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a2fbb9ea ET |
1 | /* bnx2x.c: Broadcom Everest network driver. |
2 | * | |
f1410647 | 3 | * Copyright (c) 2007-2008 Broadcom Corporation |
a2fbb9ea ET |
4 | * |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License as published by | |
7 | * the Free Software Foundation. | |
8 | * | |
9 | * Written by: Eliezer Tamir <eliezert@broadcom.com> | |
10 | * Based on code from Michael Chan's bnx2 driver | |
11 | * UDP CSUM errata workaround by Arik Gendelman | |
12 | * Slowpath rework by Vladislav Zolotarov | |
c14423fe | 13 | * Statistics and Link management by Yitchak Gertner |
a2fbb9ea ET |
14 | * |
15 | */ | |
16 | ||
17 | /* define this to make the driver freeze on error | |
18 | * to allow getting debug info | |
c14423fe | 19 | * (you will need to reboot afterwards) |
a2fbb9ea ET |
20 | */ |
21 | /*#define BNX2X_STOP_ON_ERROR*/ | |
22 | ||
23 | #include <linux/module.h> | |
24 | #include <linux/moduleparam.h> | |
25 | #include <linux/kernel.h> | |
26 | #include <linux/device.h> /* for dev_info() */ | |
27 | #include <linux/timer.h> | |
28 | #include <linux/errno.h> | |
29 | #include <linux/ioport.h> | |
30 | #include <linux/slab.h> | |
31 | #include <linux/vmalloc.h> | |
32 | #include <linux/interrupt.h> | |
33 | #include <linux/pci.h> | |
34 | #include <linux/init.h> | |
35 | #include <linux/netdevice.h> | |
36 | #include <linux/etherdevice.h> | |
37 | #include <linux/skbuff.h> | |
38 | #include <linux/dma-mapping.h> | |
39 | #include <linux/bitops.h> | |
40 | #include <linux/irq.h> | |
41 | #include <linux/delay.h> | |
42 | #include <asm/byteorder.h> | |
43 | #include <linux/time.h> | |
44 | #include <linux/ethtool.h> | |
45 | #include <linux/mii.h> | |
46 | #ifdef NETIF_F_HW_VLAN_TX | |
47 | #include <linux/if_vlan.h> | |
48 | #define BCM_VLAN 1 | |
49 | #endif | |
50 | #include <net/ip.h> | |
51 | #include <net/tcp.h> | |
52 | #include <net/checksum.h> | |
53 | #include <linux/workqueue.h> | |
54 | #include <linux/crc32.h> | |
55 | #include <linux/prefetch.h> | |
56 | #include <linux/zlib.h> | |
57 | #include <linux/version.h> | |
58 | #include <linux/io.h> | |
59 | ||
60 | #include "bnx2x_reg.h" | |
61 | #include "bnx2x_fw_defs.h" | |
62 | #include "bnx2x_hsi.h" | |
63 | #include "bnx2x.h" | |
64 | #include "bnx2x_init.h" | |
65 | ||
619c714c ET |
66 | #define DRV_MODULE_VERSION "1.42.4" |
67 | #define DRV_MODULE_RELDATE "2008/4/9" | |
f1410647 | 68 | #define BNX2X_BC_VER 0x040200 |
a2fbb9ea ET |
69 | |
70 | /* Time in jiffies before concluding the transmitter is hung. */ | |
71 | #define TX_TIMEOUT (5*HZ) | |
72 | ||
53a10565 | 73 | static char version[] __devinitdata = |
c14423fe | 74 | "Broadcom NetXtreme II 5771X 10Gigabit Ethernet Driver " |
a2fbb9ea ET |
75 | DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n"; |
76 | ||
77 | MODULE_AUTHOR("Eliezer Tamir <eliezert@broadcom.com>"); | |
78 | MODULE_DESCRIPTION("Broadcom NetXtreme II BCM57710 Driver"); | |
79 | MODULE_LICENSE("GPL"); | |
80 | MODULE_VERSION(DRV_MODULE_VERSION); | |
a2fbb9ea ET |
81 | |
82 | static int use_inta; | |
83 | static int poll; | |
84 | static int onefunc; | |
85 | static int nomcp; | |
86 | static int debug; | |
87 | static int use_multi; | |
88 | ||
89 | module_param(use_inta, int, 0); | |
90 | module_param(poll, int, 0); | |
91 | module_param(onefunc, int, 0); | |
92 | module_param(debug, int, 0); | |
93 | MODULE_PARM_DESC(use_inta, "use INT#A instead of MSI-X"); | |
94 | MODULE_PARM_DESC(poll, "use polling (for debug)"); | |
95 | MODULE_PARM_DESC(onefunc, "enable only first function"); | |
c14423fe ET |
96 | MODULE_PARM_DESC(nomcp, "ignore management CPU (Implies onefunc)"); |
97 | MODULE_PARM_DESC(debug, "default debug msglevel"); | |
a2fbb9ea ET |
98 | |
99 | #ifdef BNX2X_MULTI | |
100 | module_param(use_multi, int, 0); | |
101 | MODULE_PARM_DESC(use_multi, "use per-CPU queues"); | |
102 | #endif | |
103 | ||
104 | enum bnx2x_board_type { | |
105 | BCM57710 = 0, | |
106 | }; | |
107 | ||
108 | /* indexed by board_t, above */ | |
53a10565 | 109 | static struct { |
a2fbb9ea ET |
110 | char *name; |
111 | } board_info[] __devinitdata = { | |
112 | { "Broadcom NetXtreme II BCM57710 XGb" } | |
113 | }; | |
114 | ||
115 | static const struct pci_device_id bnx2x_pci_tbl[] = { | |
116 | { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57710, | |
117 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57710 }, | |
118 | { 0 } | |
119 | }; | |
120 | ||
121 | MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl); | |
122 | ||
123 | /**************************************************************************** | |
124 | * General service functions | |
125 | ****************************************************************************/ | |
126 | ||
127 | /* used only at init | |
128 | * locking is done by mcp | |
129 | */ | |
130 | static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val) | |
131 | { | |
132 | pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr); | |
133 | pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val); | |
134 | pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, | |
135 | PCICFG_VENDOR_ID_OFFSET); | |
136 | } | |
137 | ||
138 | #ifdef BNX2X_IND_RD | |
139 | static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr) | |
140 | { | |
141 | u32 val; | |
142 | ||
143 | pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr); | |
144 | pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val); | |
145 | pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, | |
146 | PCICFG_VENDOR_ID_OFFSET); | |
147 | ||
148 | return val; | |
149 | } | |
150 | #endif | |
151 | ||
152 | static const u32 dmae_reg_go_c[] = { | |
153 | DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3, | |
154 | DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7, | |
155 | DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11, | |
156 | DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15 | |
157 | }; | |
158 | ||
159 | /* copy command into DMAE command memory and set DMAE command go */ | |
160 | static void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae, | |
161 | int idx) | |
162 | { | |
163 | u32 cmd_offset; | |
164 | int i; | |
165 | ||
166 | cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx); | |
167 | for (i = 0; i < (sizeof(struct dmae_command)/4); i++) { | |
168 | REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i)); | |
169 | ||
170 | /* DP(NETIF_MSG_DMAE, "DMAE cmd[%d].%d (0x%08x) : 0x%08x\n", | |
171 | idx, i, cmd_offset + i*4, *(((u32 *)dmae) + i)); */ | |
172 | } | |
173 | REG_WR(bp, dmae_reg_go_c[idx], 1); | |
174 | } | |
175 | ||
176 | static void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, | |
177 | u32 dst_addr, u32 len32) | |
178 | { | |
179 | struct dmae_command *dmae = &bp->dmae; | |
180 | int port = bp->port; | |
181 | u32 *wb_comp = bnx2x_sp(bp, wb_comp); | |
182 | int timeout = 200; | |
183 | ||
184 | memset(dmae, 0, sizeof(struct dmae_command)); | |
185 | ||
186 | dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC | | |
187 | DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE | | |
188 | DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | | |
189 | #ifdef __BIG_ENDIAN | |
190 | DMAE_CMD_ENDIANITY_B_DW_SWAP | | |
191 | #else | |
192 | DMAE_CMD_ENDIANITY_DW_SWAP | | |
193 | #endif | |
194 | (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0)); | |
195 | dmae->src_addr_lo = U64_LO(dma_addr); | |
196 | dmae->src_addr_hi = U64_HI(dma_addr); | |
197 | dmae->dst_addr_lo = dst_addr >> 2; | |
198 | dmae->dst_addr_hi = 0; | |
199 | dmae->len = len32; | |
200 | dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp)); | |
201 | dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp)); | |
202 | dmae->comp_val = BNX2X_WB_COMP_VAL; | |
203 | ||
204 | /* | |
205 | DP(NETIF_MSG_DMAE, "dmae: opcode 0x%08x\n" | |
206 | DP_LEVEL "src_addr [%x:%08x] len [%d *4] " | |
207 | "dst_addr [%x:%08x (%08x)]\n" | |
208 | DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n", | |
209 | dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo, | |
210 | dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo, dst_addr, | |
211 | dmae->comp_addr_hi, dmae->comp_addr_lo, dmae->comp_val); | |
212 | */ | |
213 | /* | |
214 | DP(NETIF_MSG_DMAE, "data [0x%08x 0x%08x 0x%08x 0x%08x]\n", | |
215 | bp->slowpath->wb_data[0], bp->slowpath->wb_data[1], | |
216 | bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]); | |
217 | */ | |
218 | ||
219 | *wb_comp = 0; | |
220 | ||
221 | bnx2x_post_dmae(bp, dmae, port * 8); | |
222 | ||
223 | udelay(5); | |
224 | /* adjust timeout for emulation/FPGA */ | |
225 | if (CHIP_REV_IS_SLOW(bp)) | |
226 | timeout *= 100; | |
227 | while (*wb_comp != BNX2X_WB_COMP_VAL) { | |
228 | /* DP(NETIF_MSG_DMAE, "wb_comp 0x%08x\n", *wb_comp); */ | |
229 | udelay(5); | |
230 | if (!timeout) { | |
231 | BNX2X_ERR("dmae timeout!\n"); | |
232 | break; | |
233 | } | |
234 | timeout--; | |
235 | } | |
236 | } | |
237 | ||
238 | #ifdef BNX2X_DMAE_RD | |
239 | static void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32) | |
240 | { | |
241 | struct dmae_command *dmae = &bp->dmae; | |
242 | int port = bp->port; | |
243 | u32 *wb_comp = bnx2x_sp(bp, wb_comp); | |
244 | int timeout = 200; | |
245 | ||
246 | memset(bnx2x_sp(bp, wb_data[0]), 0, sizeof(u32) * 4); | |
247 | memset(dmae, 0, sizeof(struct dmae_command)); | |
248 | ||
249 | dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI | | |
250 | DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE | | |
251 | DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | | |
252 | #ifdef __BIG_ENDIAN | |
253 | DMAE_CMD_ENDIANITY_B_DW_SWAP | | |
254 | #else | |
255 | DMAE_CMD_ENDIANITY_DW_SWAP | | |
256 | #endif | |
257 | (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0)); | |
258 | dmae->src_addr_lo = src_addr >> 2; | |
259 | dmae->src_addr_hi = 0; | |
260 | dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data)); | |
261 | dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data)); | |
262 | dmae->len = len32; | |
263 | dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp)); | |
264 | dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp)); | |
265 | dmae->comp_val = BNX2X_WB_COMP_VAL; | |
266 | ||
267 | /* | |
268 | DP(NETIF_MSG_DMAE, "dmae: opcode 0x%08x\n" | |
269 | DP_LEVEL "src_addr [%x:%08x] len [%d *4] " | |
270 | "dst_addr [%x:%08x (%08x)]\n" | |
271 | DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n", | |
272 | dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo, | |
273 | dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo, src_addr, | |
274 | dmae->comp_addr_hi, dmae->comp_addr_lo, dmae->comp_val); | |
275 | */ | |
276 | ||
277 | *wb_comp = 0; | |
278 | ||
279 | bnx2x_post_dmae(bp, dmae, port * 8); | |
280 | ||
281 | udelay(5); | |
282 | while (*wb_comp != BNX2X_WB_COMP_VAL) { | |
283 | udelay(5); | |
284 | if (!timeout) { | |
285 | BNX2X_ERR("dmae timeout!\n"); | |
286 | break; | |
287 | } | |
288 | timeout--; | |
289 | } | |
290 | /* | |
291 | DP(NETIF_MSG_DMAE, "data [0x%08x 0x%08x 0x%08x 0x%08x]\n", | |
292 | bp->slowpath->wb_data[0], bp->slowpath->wb_data[1], | |
293 | bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]); | |
294 | */ | |
295 | } | |
296 | #endif | |
297 | ||
298 | static int bnx2x_mc_assert(struct bnx2x *bp) | |
299 | { | |
49d66772 | 300 | int i, j, rc = 0; |
a2fbb9ea ET |
301 | char last_idx; |
302 | const char storm[] = {"XTCU"}; | |
303 | const u32 intmem_base[] = { | |
304 | BAR_XSTRORM_INTMEM, | |
305 | BAR_TSTRORM_INTMEM, | |
306 | BAR_CSTRORM_INTMEM, | |
307 | BAR_USTRORM_INTMEM | |
308 | }; | |
309 | ||
310 | /* Go through all instances of all SEMIs */ | |
311 | for (i = 0; i < 4; i++) { | |
312 | last_idx = REG_RD8(bp, XSTORM_ASSERT_LIST_INDEX_OFFSET + | |
313 | intmem_base[i]); | |
49d66772 ET |
314 | if (last_idx) |
315 | BNX2X_LOG("DATA %cSTORM_ASSERT_LIST_INDEX 0x%x\n", | |
316 | storm[i], last_idx); | |
a2fbb9ea ET |
317 | |
318 | /* print the asserts */ | |
319 | for (j = 0; j < STROM_ASSERT_ARRAY_SIZE; j++) { | |
320 | u32 row0, row1, row2, row3; | |
321 | ||
322 | row0 = REG_RD(bp, XSTORM_ASSERT_LIST_OFFSET(j) + | |
323 | intmem_base[i]); | |
324 | row1 = REG_RD(bp, XSTORM_ASSERT_LIST_OFFSET(j) + 4 + | |
325 | intmem_base[i]); | |
326 | row2 = REG_RD(bp, XSTORM_ASSERT_LIST_OFFSET(j) + 8 + | |
327 | intmem_base[i]); | |
328 | row3 = REG_RD(bp, XSTORM_ASSERT_LIST_OFFSET(j) + 12 + | |
329 | intmem_base[i]); | |
330 | ||
331 | if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) { | |
49d66772 | 332 | BNX2X_LOG("DATA %cSTORM_ASSERT_INDEX 0x%x =" |
a2fbb9ea ET |
333 | " 0x%08x 0x%08x 0x%08x 0x%08x\n", |
334 | storm[i], j, row3, row2, row1, row0); | |
335 | rc++; | |
336 | } else { | |
337 | break; | |
338 | } | |
339 | } | |
340 | } | |
341 | return rc; | |
342 | } | |
c14423fe | 343 | |
a2fbb9ea ET |
344 | static void bnx2x_fw_dump(struct bnx2x *bp) |
345 | { | |
346 | u32 mark, offset; | |
347 | u32 data[9]; | |
348 | int word; | |
349 | ||
350 | mark = REG_RD(bp, MCP_REG_MCPR_SCRATCH + 0xf104); | |
49d66772 ET |
351 | mark = ((mark + 0x3) & ~0x3); |
352 | printk(KERN_ERR PFX "begin fw dump (mark 0x%x)\n" KERN_ERR, mark); | |
a2fbb9ea ET |
353 | |
354 | for (offset = mark - 0x08000000; offset <= 0xF900; offset += 0x8*4) { | |
355 | for (word = 0; word < 8; word++) | |
356 | data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH + | |
357 | offset + 4*word)); | |
358 | data[8] = 0x0; | |
49d66772 | 359 | printk(KERN_CONT "%s", (char *)data); |
a2fbb9ea ET |
360 | } |
361 | for (offset = 0xF108; offset <= mark - 0x08000000; offset += 0x8*4) { | |
362 | for (word = 0; word < 8; word++) | |
363 | data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH + | |
364 | offset + 4*word)); | |
365 | data[8] = 0x0; | |
49d66772 | 366 | printk(KERN_CONT "%s", (char *)data); |
a2fbb9ea ET |
367 | } |
368 | printk("\n" KERN_ERR PFX "end of fw dump\n"); | |
369 | } | |
370 | ||
371 | static void bnx2x_panic_dump(struct bnx2x *bp) | |
372 | { | |
373 | int i; | |
374 | u16 j, start, end; | |
375 | ||
376 | BNX2X_ERR("begin crash dump -----------------\n"); | |
377 | ||
378 | for_each_queue(bp, i) { | |
379 | struct bnx2x_fastpath *fp = &bp->fp[i]; | |
380 | struct eth_tx_db_data *hw_prods = fp->hw_tx_prods; | |
381 | ||
382 | BNX2X_ERR("queue[%d]: tx_pkt_prod(%x) tx_pkt_cons(%x)" | |
383 | " tx_bd_prod(%x) tx_bd_cons(%x) *tx_cons_sb(%x)" | |
384 | " *rx_cons_sb(%x) rx_comp_prod(%x)" | |
385 | " rx_comp_cons(%x) fp_c_idx(%x) fp_u_idx(%x)" | |
386 | " bd data(%x,%x)\n", | |
387 | i, fp->tx_pkt_prod, fp->tx_pkt_cons, fp->tx_bd_prod, | |
388 | fp->tx_bd_cons, *fp->tx_cons_sb, *fp->rx_cons_sb, | |
389 | fp->rx_comp_prod, fp->rx_comp_cons, fp->fp_c_idx, | |
390 | fp->fp_u_idx, hw_prods->packets_prod, | |
391 | hw_prods->bds_prod); | |
392 | ||
393 | start = TX_BD(le16_to_cpu(*fp->tx_cons_sb) - 10); | |
394 | end = TX_BD(le16_to_cpu(*fp->tx_cons_sb) + 245); | |
395 | for (j = start; j < end; j++) { | |
396 | struct sw_tx_bd *sw_bd = &fp->tx_buf_ring[j]; | |
397 | ||
398 | BNX2X_ERR("packet[%x]=[%p,%x]\n", j, | |
399 | sw_bd->skb, sw_bd->first_bd); | |
400 | } | |
401 | ||
402 | start = TX_BD(fp->tx_bd_cons - 10); | |
403 | end = TX_BD(fp->tx_bd_cons + 254); | |
404 | for (j = start; j < end; j++) { | |
405 | u32 *tx_bd = (u32 *)&fp->tx_desc_ring[j]; | |
406 | ||
407 | BNX2X_ERR("tx_bd[%x]=[%x:%x:%x:%x]\n", | |
408 | j, tx_bd[0], tx_bd[1], tx_bd[2], tx_bd[3]); | |
409 | } | |
410 | ||
411 | start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10); | |
412 | end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503); | |
413 | for (j = start; j < end; j++) { | |
414 | u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j]; | |
415 | struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j]; | |
416 | ||
417 | BNX2X_ERR("rx_bd[%x]=[%x:%x] sw_bd=[%p]\n", | |
418 | j, rx_bd[0], rx_bd[1], sw_bd->skb); | |
419 | } | |
420 | ||
421 | start = RCQ_BD(fp->rx_comp_cons - 10); | |
422 | end = RCQ_BD(fp->rx_comp_cons + 503); | |
423 | for (j = start; j < end; j++) { | |
424 | u32 *cqe = (u32 *)&fp->rx_comp_ring[j]; | |
425 | ||
426 | BNX2X_ERR("cqe[%x]=[%x:%x:%x:%x]\n", | |
427 | j, cqe[0], cqe[1], cqe[2], cqe[3]); | |
428 | } | |
429 | } | |
430 | ||
49d66772 ET |
431 | BNX2X_ERR("def_c_idx(%u) def_u_idx(%u) def_x_idx(%u)" |
432 | " def_t_idx(%u) def_att_idx(%u) attn_state(%u)" | |
a2fbb9ea | 433 | " spq_prod_idx(%u)\n", |
49d66772 | 434 | bp->def_c_idx, bp->def_u_idx, bp->def_x_idx, bp->def_t_idx, |
a2fbb9ea ET |
435 | bp->def_att_idx, bp->attn_state, bp->spq_prod_idx); |
436 | ||
437 | ||
438 | bnx2x_mc_assert(bp); | |
439 | BNX2X_ERR("end crash dump -----------------\n"); | |
440 | ||
441 | bp->stats_state = STATS_STATE_DISABLE; | |
442 | DP(BNX2X_MSG_STATS, "stats_state - DISABLE\n"); | |
443 | } | |
444 | ||
615f8fd9 | 445 | static void bnx2x_int_enable(struct bnx2x *bp) |
a2fbb9ea ET |
446 | { |
447 | int port = bp->port; | |
448 | u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0; | |
449 | u32 val = REG_RD(bp, addr); | |
450 | int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0; | |
451 | ||
452 | if (msix) { | |
453 | val &= ~HC_CONFIG_0_REG_SINGLE_ISR_EN_0; | |
454 | val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 | | |
455 | HC_CONFIG_0_REG_ATTN_BIT_EN_0); | |
456 | } else { | |
457 | val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 | | |
615f8fd9 | 458 | HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 | |
a2fbb9ea ET |
459 | HC_CONFIG_0_REG_INT_LINE_EN_0 | |
460 | HC_CONFIG_0_REG_ATTN_BIT_EN_0); | |
615f8fd9 ET |
461 | |
462 | /* Errata A0.158 workaround */ | |
463 | DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) MSI-X %d\n", | |
464 | val, port, addr, msix); | |
465 | ||
466 | REG_WR(bp, addr, val); | |
467 | ||
a2fbb9ea ET |
468 | val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0; |
469 | } | |
470 | ||
615f8fd9 | 471 | DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) MSI-X %d\n", |
a2fbb9ea ET |
472 | val, port, addr, msix); |
473 | ||
474 | REG_WR(bp, addr, val); | |
475 | } | |
476 | ||
615f8fd9 | 477 | static void bnx2x_int_disable(struct bnx2x *bp) |
a2fbb9ea ET |
478 | { |
479 | int port = bp->port; | |
480 | u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0; | |
481 | u32 val = REG_RD(bp, addr); | |
482 | ||
483 | val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 | | |
484 | HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 | | |
485 | HC_CONFIG_0_REG_INT_LINE_EN_0 | | |
486 | HC_CONFIG_0_REG_ATTN_BIT_EN_0); | |
487 | ||
488 | DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n", | |
489 | val, port, addr); | |
490 | ||
491 | REG_WR(bp, addr, val); | |
492 | if (REG_RD(bp, addr) != val) | |
493 | BNX2X_ERR("BUG! proper val not read from IGU!\n"); | |
494 | } | |
495 | ||
615f8fd9 | 496 | static void bnx2x_int_disable_sync(struct bnx2x *bp) |
a2fbb9ea ET |
497 | { |
498 | ||
499 | int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0; | |
500 | int i; | |
501 | ||
502 | atomic_inc(&bp->intr_sem); | |
c14423fe | 503 | /* prevent the HW from sending interrupts */ |
615f8fd9 | 504 | bnx2x_int_disable(bp); |
a2fbb9ea ET |
505 | |
506 | /* make sure all ISRs are done */ | |
507 | if (msix) { | |
508 | for_each_queue(bp, i) | |
509 | synchronize_irq(bp->msix_table[i].vector); | |
510 | ||
511 | /* one more for the Slow Path IRQ */ | |
512 | synchronize_irq(bp->msix_table[i].vector); | |
513 | } else | |
514 | synchronize_irq(bp->pdev->irq); | |
515 | ||
516 | /* make sure sp_task is not running */ | |
517 | cancel_work_sync(&bp->sp_task); | |
518 | ||
519 | } | |
520 | ||
521 | /* fast path code */ | |
522 | ||
523 | /* | |
524 | * general service functions | |
525 | */ | |
526 | ||
527 | static inline void bnx2x_ack_sb(struct bnx2x *bp, u8 id, | |
528 | u8 storm, u16 index, u8 op, u8 update) | |
529 | { | |
530 | u32 igu_addr = (IGU_ADDR_INT_ACK + IGU_PORT_BASE * bp->port) * 8; | |
531 | struct igu_ack_register igu_ack; | |
532 | ||
533 | igu_ack.status_block_index = index; | |
534 | igu_ack.sb_id_and_flags = | |
535 | ((id << IGU_ACK_REGISTER_STATUS_BLOCK_ID_SHIFT) | | |
536 | (storm << IGU_ACK_REGISTER_STORM_ID_SHIFT) | | |
537 | (update << IGU_ACK_REGISTER_UPDATE_INDEX_SHIFT) | | |
538 | (op << IGU_ACK_REGISTER_INTERRUPT_MODE_SHIFT)); | |
539 | ||
540 | /* DP(NETIF_MSG_INTR, "write 0x%08x to IGU addr 0x%x\n", | |
541 | (*(u32 *)&igu_ack), BAR_IGU_INTMEM + igu_addr); */ | |
542 | REG_WR(bp, BAR_IGU_INTMEM + igu_addr, (*(u32 *)&igu_ack)); | |
543 | } | |
544 | ||
545 | static inline u16 bnx2x_update_fpsb_idx(struct bnx2x_fastpath *fp) | |
546 | { | |
547 | struct host_status_block *fpsb = fp->status_blk; | |
548 | u16 rc = 0; | |
549 | ||
550 | barrier(); /* status block is written to by the chip */ | |
551 | if (fp->fp_c_idx != fpsb->c_status_block.status_block_index) { | |
552 | fp->fp_c_idx = fpsb->c_status_block.status_block_index; | |
553 | rc |= 1; | |
554 | } | |
555 | if (fp->fp_u_idx != fpsb->u_status_block.status_block_index) { | |
556 | fp->fp_u_idx = fpsb->u_status_block.status_block_index; | |
557 | rc |= 2; | |
558 | } | |
559 | return rc; | |
560 | } | |
561 | ||
562 | static inline int bnx2x_has_work(struct bnx2x_fastpath *fp) | |
563 | { | |
564 | u16 rx_cons_sb = le16_to_cpu(*fp->rx_cons_sb); | |
565 | ||
566 | if ((rx_cons_sb & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT) | |
567 | rx_cons_sb++; | |
568 | ||
569 | if ((rx_cons_sb != fp->rx_comp_cons) || | |
570 | (le16_to_cpu(*fp->tx_cons_sb) != fp->tx_pkt_cons)) | |
571 | return 1; | |
572 | ||
573 | return 0; | |
574 | } | |
575 | ||
576 | static u16 bnx2x_ack_int(struct bnx2x *bp) | |
577 | { | |
578 | u32 igu_addr = (IGU_ADDR_SIMD_MASK + IGU_PORT_BASE * bp->port) * 8; | |
579 | u32 result = REG_RD(bp, BAR_IGU_INTMEM + igu_addr); | |
580 | ||
581 | /* DP(NETIF_MSG_INTR, "read 0x%08x from IGU addr 0x%x\n", | |
582 | result, BAR_IGU_INTMEM + igu_addr); */ | |
583 | ||
584 | #ifdef IGU_DEBUG | |
585 | #warning IGU_DEBUG active | |
586 | if (result == 0) { | |
587 | BNX2X_ERR("read %x from IGU\n", result); | |
588 | REG_WR(bp, TM_REG_TIMER_SOFT_RST, 0); | |
589 | } | |
590 | #endif | |
591 | return result; | |
592 | } | |
593 | ||
594 | ||
595 | /* | |
596 | * fast path service functions | |
597 | */ | |
598 | ||
599 | /* free skb in the packet ring at pos idx | |
600 | * return idx of last bd freed | |
601 | */ | |
602 | static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fastpath *fp, | |
603 | u16 idx) | |
604 | { | |
605 | struct sw_tx_bd *tx_buf = &fp->tx_buf_ring[idx]; | |
606 | struct eth_tx_bd *tx_bd; | |
607 | struct sk_buff *skb = tx_buf->skb; | |
608 | u16 bd_idx = tx_buf->first_bd; | |
609 | int nbd; | |
610 | ||
611 | DP(BNX2X_MSG_OFF, "pkt_idx %d buff @(%p)->skb %p\n", | |
612 | idx, tx_buf, skb); | |
613 | ||
614 | /* unmap first bd */ | |
615 | DP(BNX2X_MSG_OFF, "free bd_idx %d\n", bd_idx); | |
616 | tx_bd = &fp->tx_desc_ring[bd_idx]; | |
617 | pci_unmap_single(bp->pdev, BD_UNMAP_ADDR(tx_bd), | |
618 | BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE); | |
619 | ||
620 | nbd = le16_to_cpu(tx_bd->nbd) - 1; | |
621 | #ifdef BNX2X_STOP_ON_ERROR | |
622 | if (nbd > (MAX_SKB_FRAGS + 2)) { | |
623 | BNX2X_ERR("bad nbd!\n"); | |
624 | bnx2x_panic(); | |
625 | } | |
626 | #endif | |
627 | ||
628 | /* Skip a parse bd and the TSO split header bd | |
629 | since they have no mapping */ | |
630 | if (nbd) | |
631 | bd_idx = TX_BD(NEXT_TX_IDX(bd_idx)); | |
632 | ||
633 | if (tx_bd->bd_flags.as_bitfield & (ETH_TX_BD_FLAGS_IP_CSUM | | |
634 | ETH_TX_BD_FLAGS_TCP_CSUM | | |
635 | ETH_TX_BD_FLAGS_SW_LSO)) { | |
636 | if (--nbd) | |
637 | bd_idx = TX_BD(NEXT_TX_IDX(bd_idx)); | |
638 | tx_bd = &fp->tx_desc_ring[bd_idx]; | |
639 | /* is this a TSO split header bd? */ | |
640 | if (tx_bd->bd_flags.as_bitfield & ETH_TX_BD_FLAGS_SW_LSO) { | |
641 | if (--nbd) | |
642 | bd_idx = TX_BD(NEXT_TX_IDX(bd_idx)); | |
643 | } | |
644 | } | |
645 | ||
646 | /* now free frags */ | |
647 | while (nbd > 0) { | |
648 | ||
649 | DP(BNX2X_MSG_OFF, "free frag bd_idx %d\n", bd_idx); | |
650 | tx_bd = &fp->tx_desc_ring[bd_idx]; | |
651 | pci_unmap_page(bp->pdev, BD_UNMAP_ADDR(tx_bd), | |
652 | BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE); | |
653 | if (--nbd) | |
654 | bd_idx = TX_BD(NEXT_TX_IDX(bd_idx)); | |
655 | } | |
656 | ||
657 | /* release skb */ | |
658 | BUG_TRAP(skb); | |
659 | dev_kfree_skb(skb); | |
660 | tx_buf->first_bd = 0; | |
661 | tx_buf->skb = NULL; | |
662 | ||
663 | return bd_idx; | |
664 | } | |
665 | ||
666 | static inline u32 bnx2x_tx_avail(struct bnx2x_fastpath *fp) | |
667 | { | |
668 | u16 used; | |
669 | u32 prod; | |
670 | u32 cons; | |
671 | ||
672 | /* Tell compiler that prod and cons can change */ | |
673 | barrier(); | |
674 | prod = fp->tx_bd_prod; | |
675 | cons = fp->tx_bd_cons; | |
676 | ||
677 | used = (NUM_TX_BD - NUM_TX_RINGS + prod - cons + | |
678 | (cons / TX_DESC_CNT) - (prod / TX_DESC_CNT)); | |
679 | ||
680 | if (prod >= cons) { | |
681 | /* used = prod - cons - prod/size + cons/size */ | |
682 | used -= NUM_TX_BD - NUM_TX_RINGS; | |
683 | } | |
684 | ||
685 | BUG_TRAP(used <= fp->bp->tx_ring_size); | |
686 | BUG_TRAP((fp->bp->tx_ring_size - used) <= MAX_TX_AVAIL); | |
687 | ||
688 | return (fp->bp->tx_ring_size - used); | |
689 | } | |
690 | ||
691 | static void bnx2x_tx_int(struct bnx2x_fastpath *fp, int work) | |
692 | { | |
693 | struct bnx2x *bp = fp->bp; | |
694 | u16 hw_cons, sw_cons, bd_cons = fp->tx_bd_cons; | |
695 | int done = 0; | |
696 | ||
697 | #ifdef BNX2X_STOP_ON_ERROR | |
698 | if (unlikely(bp->panic)) | |
699 | return; | |
700 | #endif | |
701 | ||
702 | hw_cons = le16_to_cpu(*fp->tx_cons_sb); | |
703 | sw_cons = fp->tx_pkt_cons; | |
704 | ||
705 | while (sw_cons != hw_cons) { | |
706 | u16 pkt_cons; | |
707 | ||
708 | pkt_cons = TX_BD(sw_cons); | |
709 | ||
710 | /* prefetch(bp->tx_buf_ring[pkt_cons].skb); */ | |
711 | ||
712 | DP(NETIF_MSG_TX_DONE, "hw_cons %u sw_cons %u pkt_cons %d\n", | |
713 | hw_cons, sw_cons, pkt_cons); | |
714 | ||
715 | /* if (NEXT_TX_IDX(sw_cons) != hw_cons) { | |
716 | rmb(); | |
717 | prefetch(fp->tx_buf_ring[NEXT_TX_IDX(sw_cons)].skb); | |
718 | } | |
719 | */ | |
720 | bd_cons = bnx2x_free_tx_pkt(bp, fp, pkt_cons); | |
721 | sw_cons++; | |
722 | done++; | |
723 | ||
724 | if (done == work) | |
725 | break; | |
726 | } | |
727 | ||
728 | fp->tx_pkt_cons = sw_cons; | |
729 | fp->tx_bd_cons = bd_cons; | |
730 | ||
731 | /* Need to make the tx_cons update visible to start_xmit() | |
732 | * before checking for netif_queue_stopped(). Without the | |
733 | * memory barrier, there is a small possibility that start_xmit() | |
734 | * will miss it and cause the queue to be stopped forever. | |
735 | */ | |
736 | smp_mb(); | |
737 | ||
738 | /* TBD need a thresh? */ | |
739 | if (unlikely(netif_queue_stopped(bp->dev))) { | |
740 | ||
741 | netif_tx_lock(bp->dev); | |
742 | ||
743 | if (netif_queue_stopped(bp->dev) && | |
744 | (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3)) | |
745 | netif_wake_queue(bp->dev); | |
746 | ||
747 | netif_tx_unlock(bp->dev); | |
748 | ||
749 | } | |
750 | } | |
751 | ||
752 | static void bnx2x_sp_event(struct bnx2x_fastpath *fp, | |
753 | union eth_rx_cqe *rr_cqe) | |
754 | { | |
755 | struct bnx2x *bp = fp->bp; | |
756 | int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data); | |
757 | int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data); | |
758 | ||
759 | DP(NETIF_MSG_RX_STATUS, | |
760 | "fp %d cid %d got ramrod #%d state is %x type is %d\n", | |
761 | fp->index, cid, command, bp->state, rr_cqe->ramrod_cqe.type); | |
762 | ||
763 | bp->spq_left++; | |
764 | ||
765 | if (fp->index) { | |
766 | switch (command | fp->state) { | |
767 | case (RAMROD_CMD_ID_ETH_CLIENT_SETUP | | |
768 | BNX2X_FP_STATE_OPENING): | |
769 | DP(NETIF_MSG_IFUP, "got MULTI[%d] setup ramrod\n", | |
770 | cid); | |
771 | fp->state = BNX2X_FP_STATE_OPEN; | |
772 | break; | |
773 | ||
774 | case (RAMROD_CMD_ID_ETH_HALT | BNX2X_FP_STATE_HALTING): | |
775 | DP(NETIF_MSG_IFDOWN, "got MULTI[%d] halt ramrod\n", | |
776 | cid); | |
777 | fp->state = BNX2X_FP_STATE_HALTED; | |
778 | break; | |
779 | ||
780 | default: | |
781 | BNX2X_ERR("unexpected MC reply(%d) state is %x\n", | |
782 | command, fp->state); | |
783 | } | |
784 | mb(); /* force bnx2x_wait_ramrod to see the change */ | |
785 | return; | |
786 | } | |
c14423fe | 787 | |
a2fbb9ea ET |
788 | switch (command | bp->state) { |
789 | case (RAMROD_CMD_ID_ETH_PORT_SETUP | BNX2X_STATE_OPENING_WAIT4_PORT): | |
790 | DP(NETIF_MSG_IFUP, "got setup ramrod\n"); | |
791 | bp->state = BNX2X_STATE_OPEN; | |
792 | break; | |
793 | ||
794 | case (RAMROD_CMD_ID_ETH_HALT | BNX2X_STATE_CLOSING_WAIT4_HALT): | |
795 | DP(NETIF_MSG_IFDOWN, "got halt ramrod\n"); | |
796 | bp->state = BNX2X_STATE_CLOSING_WAIT4_DELETE; | |
797 | fp->state = BNX2X_FP_STATE_HALTED; | |
798 | break; | |
799 | ||
a2fbb9ea | 800 | case (RAMROD_CMD_ID_ETH_CFC_DEL | BNX2X_STATE_CLOSING_WAIT4_HALT): |
49d66772 ET |
801 | DP(NETIF_MSG_IFDOWN, "got delete ramrod for MULTI[%d]\n", |
802 | cid); | |
803 | bnx2x_fp(bp, cid, state) = BNX2X_FP_STATE_CLOSED; | |
a2fbb9ea ET |
804 | break; |
805 | ||
806 | case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_OPEN): | |
807 | DP(NETIF_MSG_IFUP, "got set mac ramrod\n"); | |
808 | break; | |
809 | ||
49d66772 ET |
810 | case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_CLOSING_WAIT4_HALT): |
811 | DP(NETIF_MSG_IFUP, "got (un)set mac ramrod\n"); | |
812 | break; | |
813 | ||
a2fbb9ea ET |
814 | default: |
815 | BNX2X_ERR("unexpected ramrod (%d) state is %x\n", | |
816 | command, bp->state); | |
817 | } | |
818 | ||
819 | mb(); /* force bnx2x_wait_ramrod to see the change */ | |
820 | } | |
821 | ||
822 | static inline int bnx2x_alloc_rx_skb(struct bnx2x *bp, | |
823 | struct bnx2x_fastpath *fp, u16 index) | |
824 | { | |
825 | struct sk_buff *skb; | |
826 | struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[index]; | |
827 | struct eth_rx_bd *rx_bd = &fp->rx_desc_ring[index]; | |
828 | dma_addr_t mapping; | |
829 | ||
830 | skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size); | |
831 | if (unlikely(skb == NULL)) | |
832 | return -ENOMEM; | |
833 | ||
834 | mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size, | |
835 | PCI_DMA_FROMDEVICE); | |
836 | if (unlikely(dma_mapping_error(mapping))) { | |
837 | ||
838 | dev_kfree_skb(skb); | |
839 | return -ENOMEM; | |
840 | } | |
841 | ||
842 | rx_buf->skb = skb; | |
843 | pci_unmap_addr_set(rx_buf, mapping, mapping); | |
844 | ||
845 | rx_bd->addr_hi = cpu_to_le32(U64_HI(mapping)); | |
846 | rx_bd->addr_lo = cpu_to_le32(U64_LO(mapping)); | |
847 | ||
848 | return 0; | |
849 | } | |
850 | ||
851 | /* note that we are not allocating a new skb, | |
852 | * we are just moving one from cons to prod | |
853 | * we are not creating a new mapping, | |
854 | * so there is no need to check for dma_mapping_error(). | |
855 | */ | |
856 | static void bnx2x_reuse_rx_skb(struct bnx2x_fastpath *fp, | |
857 | struct sk_buff *skb, u16 cons, u16 prod) | |
858 | { | |
859 | struct bnx2x *bp = fp->bp; | |
860 | struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons]; | |
861 | struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod]; | |
862 | struct eth_rx_bd *cons_bd = &fp->rx_desc_ring[cons]; | |
863 | struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod]; | |
864 | ||
865 | pci_dma_sync_single_for_device(bp->pdev, | |
866 | pci_unmap_addr(cons_rx_buf, mapping), | |
867 | bp->rx_offset + RX_COPY_THRESH, | |
868 | PCI_DMA_FROMDEVICE); | |
869 | ||
870 | prod_rx_buf->skb = cons_rx_buf->skb; | |
871 | pci_unmap_addr_set(prod_rx_buf, mapping, | |
872 | pci_unmap_addr(cons_rx_buf, mapping)); | |
873 | *prod_bd = *cons_bd; | |
874 | } | |
875 | ||
876 | static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget) | |
877 | { | |
878 | struct bnx2x *bp = fp->bp; | |
879 | u16 bd_cons, bd_prod, comp_ring_cons; | |
880 | u16 hw_comp_cons, sw_comp_cons, sw_comp_prod; | |
881 | int rx_pkt = 0; | |
882 | ||
883 | #ifdef BNX2X_STOP_ON_ERROR | |
884 | if (unlikely(bp->panic)) | |
885 | return 0; | |
886 | #endif | |
887 | ||
888 | hw_comp_cons = le16_to_cpu(*fp->rx_cons_sb); | |
889 | if ((hw_comp_cons & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT) | |
890 | hw_comp_cons++; | |
891 | ||
892 | bd_cons = fp->rx_bd_cons; | |
893 | bd_prod = fp->rx_bd_prod; | |
894 | sw_comp_cons = fp->rx_comp_cons; | |
895 | sw_comp_prod = fp->rx_comp_prod; | |
896 | ||
897 | /* Memory barrier necessary as speculative reads of the rx | |
898 | * buffer can be ahead of the index in the status block | |
899 | */ | |
900 | rmb(); | |
901 | ||
902 | DP(NETIF_MSG_RX_STATUS, | |
903 | "queue[%d]: hw_comp_cons %u sw_comp_cons %u\n", | |
904 | fp->index, hw_comp_cons, sw_comp_cons); | |
905 | ||
906 | while (sw_comp_cons != hw_comp_cons) { | |
907 | unsigned int len, pad; | |
908 | struct sw_rx_bd *rx_buf; | |
909 | struct sk_buff *skb; | |
910 | union eth_rx_cqe *cqe; | |
911 | ||
912 | comp_ring_cons = RCQ_BD(sw_comp_cons); | |
913 | bd_prod = RX_BD(bd_prod); | |
914 | bd_cons = RX_BD(bd_cons); | |
915 | ||
916 | cqe = &fp->rx_comp_ring[comp_ring_cons]; | |
917 | ||
918 | DP(NETIF_MSG_RX_STATUS, "hw_comp_cons %u sw_comp_cons %u" | |
919 | " comp_ring (%u) bd_ring (%u,%u)\n", | |
920 | hw_comp_cons, sw_comp_cons, | |
921 | comp_ring_cons, bd_prod, bd_cons); | |
922 | DP(NETIF_MSG_RX_STATUS, "CQE type %x err %x status %x" | |
923 | " queue %x vlan %x len %x\n", | |
924 | cqe->fast_path_cqe.type, | |
925 | cqe->fast_path_cqe.error_type_flags, | |
926 | cqe->fast_path_cqe.status_flags, | |
927 | cqe->fast_path_cqe.rss_hash_result, | |
928 | cqe->fast_path_cqe.vlan_tag, cqe->fast_path_cqe.pkt_len); | |
929 | ||
930 | /* is this a slowpath msg? */ | |
931 | if (unlikely(cqe->fast_path_cqe.type)) { | |
932 | bnx2x_sp_event(fp, cqe); | |
933 | goto next_cqe; | |
934 | ||
935 | /* this is an rx packet */ | |
936 | } else { | |
937 | rx_buf = &fp->rx_buf_ring[bd_cons]; | |
938 | skb = rx_buf->skb; | |
939 | ||
940 | len = le16_to_cpu(cqe->fast_path_cqe.pkt_len); | |
941 | pad = cqe->fast_path_cqe.placement_offset; | |
942 | ||
943 | pci_dma_sync_single_for_device(bp->pdev, | |
944 | pci_unmap_addr(rx_buf, mapping), | |
945 | pad + RX_COPY_THRESH, | |
946 | PCI_DMA_FROMDEVICE); | |
947 | prefetch(skb); | |
948 | prefetch(((char *)(skb)) + 128); | |
949 | ||
950 | /* is this an error packet? */ | |
951 | if (unlikely(cqe->fast_path_cqe.error_type_flags & | |
952 | ETH_RX_ERROR_FALGS)) { | |
953 | /* do we sometimes forward error packets anyway? */ | |
954 | DP(NETIF_MSG_RX_ERR, | |
955 | "ERROR flags(%u) Rx packet(%u)\n", | |
956 | cqe->fast_path_cqe.error_type_flags, | |
957 | sw_comp_cons); | |
958 | /* TBD make sure MC counts this as a drop */ | |
959 | goto reuse_rx; | |
960 | } | |
961 | ||
962 | /* Since we don't have a jumbo ring | |
963 | * copy small packets if mtu > 1500 | |
964 | */ | |
965 | if ((bp->dev->mtu > ETH_MAX_PACKET_SIZE) && | |
966 | (len <= RX_COPY_THRESH)) { | |
967 | struct sk_buff *new_skb; | |
968 | ||
969 | new_skb = netdev_alloc_skb(bp->dev, | |
970 | len + pad); | |
971 | if (new_skb == NULL) { | |
972 | DP(NETIF_MSG_RX_ERR, | |
973 | "ERROR packet dropped " | |
974 | "because of alloc failure\n"); | |
975 | /* TBD count this as a drop? */ | |
976 | goto reuse_rx; | |
977 | } | |
978 | ||
979 | /* aligned copy */ | |
980 | skb_copy_from_linear_data_offset(skb, pad, | |
981 | new_skb->data + pad, len); | |
982 | skb_reserve(new_skb, pad); | |
983 | skb_put(new_skb, len); | |
984 | ||
985 | bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod); | |
986 | ||
987 | skb = new_skb; | |
988 | ||
989 | } else if (bnx2x_alloc_rx_skb(bp, fp, bd_prod) == 0) { | |
990 | pci_unmap_single(bp->pdev, | |
991 | pci_unmap_addr(rx_buf, mapping), | |
992 | bp->rx_buf_use_size, | |
993 | PCI_DMA_FROMDEVICE); | |
994 | skb_reserve(skb, pad); | |
995 | skb_put(skb, len); | |
996 | ||
997 | } else { | |
998 | DP(NETIF_MSG_RX_ERR, | |
999 | "ERROR packet dropped because " | |
1000 | "of alloc failure\n"); | |
1001 | reuse_rx: | |
1002 | bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod); | |
1003 | goto next_rx; | |
1004 | } | |
1005 | ||
1006 | skb->protocol = eth_type_trans(skb, bp->dev); | |
1007 | ||
1008 | skb->ip_summed = CHECKSUM_NONE; | |
1009 | if (bp->rx_csum && BNX2X_RX_SUM_OK(cqe)) | |
1010 | skb->ip_summed = CHECKSUM_UNNECESSARY; | |
1011 | ||
1012 | /* TBD do we pass bad csum packets in promisc */ | |
1013 | } | |
1014 | ||
1015 | #ifdef BCM_VLAN | |
1016 | if ((le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) | |
1017 | & PARSING_FLAGS_NUMBER_OF_NESTED_VLANS) | |
1018 | && (bp->vlgrp != NULL)) | |
1019 | vlan_hwaccel_receive_skb(skb, bp->vlgrp, | |
1020 | le16_to_cpu(cqe->fast_path_cqe.vlan_tag)); | |
1021 | else | |
1022 | #endif | |
1023 | netif_receive_skb(skb); | |
1024 | ||
1025 | bp->dev->last_rx = jiffies; | |
1026 | ||
1027 | next_rx: | |
1028 | rx_buf->skb = NULL; | |
1029 | ||
1030 | bd_cons = NEXT_RX_IDX(bd_cons); | |
1031 | bd_prod = NEXT_RX_IDX(bd_prod); | |
1032 | next_cqe: | |
1033 | sw_comp_prod = NEXT_RCQ_IDX(sw_comp_prod); | |
1034 | sw_comp_cons = NEXT_RCQ_IDX(sw_comp_cons); | |
1035 | rx_pkt++; | |
1036 | ||
1037 | if ((rx_pkt == budget)) | |
1038 | break; | |
1039 | } /* while */ | |
1040 | ||
1041 | fp->rx_bd_cons = bd_cons; | |
1042 | fp->rx_bd_prod = bd_prod; | |
1043 | fp->rx_comp_cons = sw_comp_cons; | |
1044 | fp->rx_comp_prod = sw_comp_prod; | |
1045 | ||
1046 | REG_WR(bp, BAR_TSTRORM_INTMEM + | |
1047 | TSTORM_RCQ_PROD_OFFSET(bp->port, fp->index), sw_comp_prod); | |
1048 | ||
1049 | mmiowb(); /* keep prod updates ordered */ | |
1050 | ||
1051 | fp->rx_pkt += rx_pkt; | |
1052 | fp->rx_calls++; | |
1053 | ||
1054 | return rx_pkt; | |
1055 | } | |
1056 | ||
1057 | static irqreturn_t bnx2x_msix_fp_int(int irq, void *fp_cookie) | |
1058 | { | |
1059 | struct bnx2x_fastpath *fp = fp_cookie; | |
1060 | struct bnx2x *bp = fp->bp; | |
1061 | struct net_device *dev = bp->dev; | |
1062 | int index = fp->index; | |
1063 | ||
1064 | DP(NETIF_MSG_INTR, "got an msix interrupt on [%d]\n", index); | |
1065 | bnx2x_ack_sb(bp, index, USTORM_ID, 0, IGU_INT_DISABLE, 0); | |
1066 | ||
1067 | #ifdef BNX2X_STOP_ON_ERROR | |
1068 | if (unlikely(bp->panic)) | |
1069 | return IRQ_HANDLED; | |
1070 | #endif | |
1071 | ||
1072 | prefetch(fp->rx_cons_sb); | |
1073 | prefetch(fp->tx_cons_sb); | |
1074 | prefetch(&fp->status_blk->c_status_block.status_block_index); | |
1075 | prefetch(&fp->status_blk->u_status_block.status_block_index); | |
1076 | ||
1077 | netif_rx_schedule(dev, &bnx2x_fp(bp, index, napi)); | |
1078 | return IRQ_HANDLED; | |
1079 | } | |
1080 | ||
1081 | static irqreturn_t bnx2x_interrupt(int irq, void *dev_instance) | |
1082 | { | |
1083 | struct net_device *dev = dev_instance; | |
1084 | struct bnx2x *bp = netdev_priv(dev); | |
1085 | u16 status = bnx2x_ack_int(bp); | |
1086 | ||
1087 | if (unlikely(status == 0)) { | |
1088 | DP(NETIF_MSG_INTR, "not our interrupt!\n"); | |
1089 | return IRQ_NONE; | |
1090 | } | |
1091 | ||
1092 | DP(NETIF_MSG_INTR, "got an interrupt status is %u\n", status); | |
1093 | ||
1094 | #ifdef BNX2X_STOP_ON_ERROR | |
1095 | if (unlikely(bp->panic)) | |
1096 | return IRQ_HANDLED; | |
1097 | #endif | |
1098 | ||
1099 | /* Return here if interrupt is shared and is disabled */ | |
1100 | if (unlikely(atomic_read(&bp->intr_sem) != 0)) { | |
1101 | DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n"); | |
1102 | return IRQ_HANDLED; | |
1103 | } | |
1104 | ||
1105 | if (status & 0x2) { | |
1106 | struct bnx2x_fastpath *fp = &bp->fp[0]; | |
1107 | ||
1108 | prefetch(fp->rx_cons_sb); | |
1109 | prefetch(fp->tx_cons_sb); | |
1110 | prefetch(&fp->status_blk->c_status_block.status_block_index); | |
1111 | prefetch(&fp->status_blk->u_status_block.status_block_index); | |
1112 | ||
1113 | netif_rx_schedule(dev, &bnx2x_fp(bp, 0, napi)); | |
1114 | ||
1115 | status &= ~0x2; | |
1116 | if (!status) | |
1117 | return IRQ_HANDLED; | |
1118 | } | |
1119 | ||
1120 | if (unlikely(status & 0x1)) { | |
1121 | ||
1122 | schedule_work(&bp->sp_task); | |
1123 | ||
1124 | status &= ~0x1; | |
1125 | if (!status) | |
1126 | return IRQ_HANDLED; | |
1127 | } | |
1128 | ||
1129 | DP(NETIF_MSG_INTR, "got an unknown interrupt! (status is %u)\n", | |
1130 | status); | |
1131 | ||
1132 | return IRQ_HANDLED; | |
1133 | } | |
1134 | ||
1135 | /* end of fast path */ | |
1136 | ||
1137 | /* PHY/MAC */ | |
1138 | ||
1139 | /* | |
1140 | * General service functions | |
1141 | */ | |
1142 | ||
1143 | static void bnx2x_leds_set(struct bnx2x *bp, unsigned int speed) | |
1144 | { | |
1145 | int port = bp->port; | |
1146 | ||
1147 | NIG_WR(NIG_REG_LED_MODE_P0 + port*4, | |
1148 | ((bp->hw_config & SHARED_HW_CFG_LED_MODE_MASK) >> | |
1149 | SHARED_HW_CFG_LED_MODE_SHIFT)); | |
1150 | NIG_WR(NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0); | |
1151 | ||
1152 | /* Set blinking rate to ~15.9Hz */ | |
1153 | NIG_WR(NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4, | |
1154 | LED_BLINK_RATE_VAL); | |
1155 | NIG_WR(NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 + port*4, 1); | |
1156 | ||
1157 | /* On Ax chip versions for speeds less than 10G | |
1158 | LED scheme is different */ | |
1159 | if ((CHIP_REV(bp) == CHIP_REV_Ax) && (speed < SPEED_10000)) { | |
1160 | NIG_WR(NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 1); | |
1161 | NIG_WR(NIG_REG_LED_CONTROL_TRAFFIC_P0 + port*4, 0); | |
1162 | NIG_WR(NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 + port*4, 1); | |
1163 | } | |
1164 | } | |
1165 | ||
1166 | static void bnx2x_leds_unset(struct bnx2x *bp) | |
1167 | { | |
1168 | int port = bp->port; | |
1169 | ||
1170 | NIG_WR(NIG_REG_LED_10G_P0 + port*4, 0); | |
1171 | NIG_WR(NIG_REG_LED_MODE_P0 + port*4, SHARED_HW_CFG_LED_MAC1); | |
1172 | } | |
1173 | ||
1174 | static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits) | |
1175 | { | |
1176 | u32 val = REG_RD(bp, reg); | |
1177 | ||
1178 | val |= bits; | |
1179 | REG_WR(bp, reg, val); | |
1180 | return val; | |
1181 | } | |
1182 | ||
1183 | static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits) | |
1184 | { | |
1185 | u32 val = REG_RD(bp, reg); | |
1186 | ||
1187 | val &= ~bits; | |
1188 | REG_WR(bp, reg, val); | |
1189 | return val; | |
1190 | } | |
1191 | ||
f1410647 ET |
1192 | static int bnx2x_hw_lock(struct bnx2x *bp, u32 resource) |
1193 | { | |
1194 | u32 cnt; | |
1195 | u32 lock_status; | |
1196 | u32 resource_bit = (1 << resource); | |
1197 | u8 func = bp->port; | |
1198 | ||
1199 | /* Validating that the resource is within range */ | |
1200 | if (resource > HW_LOCK_MAX_RESOURCE_VALUE) { | |
1201 | DP(NETIF_MSG_HW, | |
1202 | "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n", | |
1203 | resource, HW_LOCK_MAX_RESOURCE_VALUE); | |
1204 | return -EINVAL; | |
1205 | } | |
1206 | ||
1207 | /* Validating that the resource is not already taken */ | |
1208 | lock_status = REG_RD(bp, MISC_REG_DRIVER_CONTROL_1 + func*8); | |
1209 | if (lock_status & resource_bit) { | |
1210 | DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n", | |
1211 | lock_status, resource_bit); | |
1212 | return -EEXIST; | |
1213 | } | |
1214 | ||
1215 | /* Try for 1 second every 5ms */ | |
1216 | for (cnt = 0; cnt < 200; cnt++) { | |
1217 | /* Try to acquire the lock */ | |
1218 | REG_WR(bp, MISC_REG_DRIVER_CONTROL_1 + func*8 + 4, | |
1219 | resource_bit); | |
1220 | lock_status = REG_RD(bp, MISC_REG_DRIVER_CONTROL_1 + func*8); | |
1221 | if (lock_status & resource_bit) | |
1222 | return 0; | |
1223 | ||
1224 | msleep(5); | |
1225 | } | |
1226 | DP(NETIF_MSG_HW, "Timeout\n"); | |
1227 | return -EAGAIN; | |
1228 | } | |
1229 | ||
1230 | static int bnx2x_hw_unlock(struct bnx2x *bp, u32 resource) | |
1231 | { | |
1232 | u32 lock_status; | |
1233 | u32 resource_bit = (1 << resource); | |
1234 | u8 func = bp->port; | |
1235 | ||
1236 | /* Validating that the resource is within range */ | |
1237 | if (resource > HW_LOCK_MAX_RESOURCE_VALUE) { | |
1238 | DP(NETIF_MSG_HW, | |
1239 | "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n", | |
1240 | resource, HW_LOCK_MAX_RESOURCE_VALUE); | |
1241 | return -EINVAL; | |
1242 | } | |
1243 | ||
1244 | /* Validating that the resource is currently taken */ | |
1245 | lock_status = REG_RD(bp, MISC_REG_DRIVER_CONTROL_1 + func*8); | |
1246 | if (!(lock_status & resource_bit)) { | |
1247 | DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n", | |
1248 | lock_status, resource_bit); | |
1249 | return -EFAULT; | |
1250 | } | |
1251 | ||
1252 | REG_WR(bp, MISC_REG_DRIVER_CONTROL_1 + func*8, resource_bit); | |
1253 | return 0; | |
1254 | } | |
1255 | ||
1256 | static int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode) | |
1257 | { | |
1258 | /* The GPIO should be swapped if swap register is set and active */ | |
1259 | int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) && | |
1260 | REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ bp->port; | |
1261 | int gpio_shift = gpio_num + | |
1262 | (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0); | |
1263 | u32 gpio_mask = (1 << gpio_shift); | |
1264 | u32 gpio_reg; | |
1265 | ||
1266 | if (gpio_num > MISC_REGISTERS_GPIO_3) { | |
1267 | BNX2X_ERR("Invalid GPIO %d\n", gpio_num); | |
1268 | return -EINVAL; | |
1269 | } | |
1270 | ||
1271 | bnx2x_hw_lock(bp, HW_LOCK_RESOURCE_GPIO); | |
1272 | /* read GPIO and mask except the float bits */ | |
1273 | gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT); | |
1274 | ||
1275 | switch (mode) { | |
1276 | case MISC_REGISTERS_GPIO_OUTPUT_LOW: | |
1277 | DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n", | |
1278 | gpio_num, gpio_shift); | |
1279 | /* clear FLOAT and set CLR */ | |
1280 | gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS); | |
1281 | gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS); | |
1282 | break; | |
1283 | ||
1284 | case MISC_REGISTERS_GPIO_OUTPUT_HIGH: | |
1285 | DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n", | |
1286 | gpio_num, gpio_shift); | |
1287 | /* clear FLOAT and set SET */ | |
1288 | gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS); | |
1289 | gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS); | |
1290 | break; | |
1291 | ||
1292 | case MISC_REGISTERS_GPIO_INPUT_HI_Z : | |
1293 | DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n", | |
1294 | gpio_num, gpio_shift); | |
1295 | /* set FLOAT */ | |
1296 | gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS); | |
1297 | break; | |
1298 | ||
1299 | default: | |
1300 | break; | |
1301 | } | |
1302 | ||
1303 | REG_WR(bp, MISC_REG_GPIO, gpio_reg); | |
1304 | bnx2x_hw_unlock(bp, HW_LOCK_RESOURCE_GPIO); | |
1305 | ||
1306 | return 0; | |
1307 | } | |
1308 | ||
1309 | static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode) | |
1310 | { | |
1311 | u32 spio_mask = (1 << spio_num); | |
1312 | u32 spio_reg; | |
1313 | ||
1314 | if ((spio_num < MISC_REGISTERS_SPIO_4) || | |
1315 | (spio_num > MISC_REGISTERS_SPIO_7)) { | |
1316 | BNX2X_ERR("Invalid SPIO %d\n", spio_num); | |
1317 | return -EINVAL; | |
1318 | } | |
1319 | ||
1320 | bnx2x_hw_lock(bp, HW_LOCK_RESOURCE_SPIO); | |
1321 | /* read SPIO and mask except the float bits */ | |
1322 | spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT); | |
1323 | ||
1324 | switch (mode) { | |
1325 | case MISC_REGISTERS_SPIO_OUTPUT_LOW : | |
1326 | DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num); | |
1327 | /* clear FLOAT and set CLR */ | |
1328 | spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS); | |
1329 | spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS); | |
1330 | break; | |
1331 | ||
1332 | case MISC_REGISTERS_SPIO_OUTPUT_HIGH : | |
1333 | DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num); | |
1334 | /* clear FLOAT and set SET */ | |
1335 | spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS); | |
1336 | spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS); | |
1337 | break; | |
1338 | ||
1339 | case MISC_REGISTERS_SPIO_INPUT_HI_Z: | |
1340 | DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num); | |
1341 | /* set FLOAT */ | |
1342 | spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS); | |
1343 | break; | |
1344 | ||
1345 | default: | |
1346 | break; | |
1347 | } | |
1348 | ||
1349 | REG_WR(bp, MISC_REG_SPIO, spio_reg); | |
1350 | bnx2x_hw_unlock(bp, HW_LOCK_RESOURCE_SPIO); | |
1351 | ||
1352 | return 0; | |
1353 | } | |
1354 | ||
a2fbb9ea ET |
1355 | static int bnx2x_mdio22_write(struct bnx2x *bp, u32 reg, u32 val) |
1356 | { | |
a2fbb9ea ET |
1357 | int port = bp->port; |
1358 | u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; | |
f1410647 ET |
1359 | u32 tmp; |
1360 | int i, rc; | |
a2fbb9ea ET |
1361 | |
1362 | /* DP(NETIF_MSG_HW, "phy_addr 0x%x reg 0x%x val 0x%08x\n", | |
1363 | bp->phy_addr, reg, val); */ | |
1364 | ||
1365 | if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) { | |
1366 | ||
1367 | tmp = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE); | |
1368 | tmp &= ~EMAC_MDIO_MODE_AUTO_POLL; | |
1369 | EMAC_WR(EMAC_REG_EMAC_MDIO_MODE, tmp); | |
1370 | REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE); | |
1371 | udelay(40); | |
1372 | } | |
1373 | ||
1374 | tmp = ((bp->phy_addr << 21) | (reg << 16) | | |
1375 | (val & EMAC_MDIO_COMM_DATA) | | |
1376 | EMAC_MDIO_COMM_COMMAND_WRITE_22 | | |
1377 | EMAC_MDIO_COMM_START_BUSY); | |
1378 | EMAC_WR(EMAC_REG_EMAC_MDIO_COMM, tmp); | |
1379 | ||
1380 | for (i = 0; i < 50; i++) { | |
1381 | udelay(10); | |
1382 | ||
1383 | tmp = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM); | |
1384 | if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) { | |
1385 | udelay(5); | |
1386 | break; | |
1387 | } | |
1388 | } | |
1389 | ||
1390 | if (tmp & EMAC_MDIO_COMM_START_BUSY) { | |
1391 | BNX2X_ERR("write phy register failed\n"); | |
1392 | ||
1393 | rc = -EBUSY; | |
1394 | } else { | |
1395 | rc = 0; | |
1396 | } | |
1397 | ||
1398 | if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) { | |
1399 | ||
1400 | tmp = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE); | |
1401 | tmp |= EMAC_MDIO_MODE_AUTO_POLL; | |
1402 | EMAC_WR(EMAC_REG_EMAC_MDIO_MODE, tmp); | |
1403 | } | |
1404 | ||
1405 | return rc; | |
1406 | } | |
1407 | ||
1408 | static int bnx2x_mdio22_read(struct bnx2x *bp, u32 reg, u32 *ret_val) | |
1409 | { | |
1410 | int port = bp->port; | |
1411 | u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; | |
f1410647 ET |
1412 | u32 val; |
1413 | int i, rc; | |
a2fbb9ea ET |
1414 | |
1415 | if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) { | |
1416 | ||
1417 | val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE); | |
1418 | val &= ~EMAC_MDIO_MODE_AUTO_POLL; | |
1419 | EMAC_WR(EMAC_REG_EMAC_MDIO_MODE, val); | |
1420 | REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE); | |
1421 | udelay(40); | |
1422 | } | |
1423 | ||
1424 | val = ((bp->phy_addr << 21) | (reg << 16) | | |
1425 | EMAC_MDIO_COMM_COMMAND_READ_22 | | |
1426 | EMAC_MDIO_COMM_START_BUSY); | |
1427 | EMAC_WR(EMAC_REG_EMAC_MDIO_COMM, val); | |
1428 | ||
1429 | for (i = 0; i < 50; i++) { | |
1430 | udelay(10); | |
1431 | ||
1432 | val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM); | |
1433 | if (!(val & EMAC_MDIO_COMM_START_BUSY)) { | |
1434 | val &= EMAC_MDIO_COMM_DATA; | |
1435 | break; | |
1436 | } | |
1437 | } | |
1438 | ||
1439 | if (val & EMAC_MDIO_COMM_START_BUSY) { | |
1440 | BNX2X_ERR("read phy register failed\n"); | |
1441 | ||
1442 | *ret_val = 0x0; | |
1443 | rc = -EBUSY; | |
1444 | } else { | |
1445 | *ret_val = val; | |
1446 | rc = 0; | |
1447 | } | |
1448 | ||
1449 | if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) { | |
1450 | ||
1451 | val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE); | |
1452 | val |= EMAC_MDIO_MODE_AUTO_POLL; | |
1453 | EMAC_WR(EMAC_REG_EMAC_MDIO_MODE, val); | |
1454 | } | |
1455 | ||
1456 | /* DP(NETIF_MSG_HW, "phy_addr 0x%x reg 0x%x ret_val 0x%08x\n", | |
1457 | bp->phy_addr, reg, *ret_val); */ | |
1458 | ||
1459 | return rc; | |
1460 | } | |
1461 | ||
f1410647 ET |
1462 | static int bnx2x_mdio45_ctrl_write(struct bnx2x *bp, u32 mdio_ctrl, |
1463 | u32 phy_addr, u32 reg, u32 addr, u32 val) | |
a2fbb9ea | 1464 | { |
f1410647 ET |
1465 | u32 tmp; |
1466 | int i, rc = 0; | |
a2fbb9ea | 1467 | |
f1410647 ET |
1468 | /* set clause 45 mode, slow down the MDIO clock to 2.5MHz |
1469 | * (a value of 49==0x31) and make sure that the AUTO poll is off | |
1470 | */ | |
1471 | tmp = REG_RD(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE); | |
1472 | tmp &= ~(EMAC_MDIO_MODE_AUTO_POLL | EMAC_MDIO_MODE_CLOCK_CNT); | |
1473 | tmp |= (EMAC_MDIO_MODE_CLAUSE_45 | | |
1474 | (49 << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT)); | |
1475 | REG_WR(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, tmp); | |
1476 | REG_RD(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE); | |
1477 | udelay(40); | |
a2fbb9ea ET |
1478 | |
1479 | /* address */ | |
f1410647 | 1480 | tmp = ((phy_addr << 21) | (reg << 16) | addr | |
a2fbb9ea ET |
1481 | EMAC_MDIO_COMM_COMMAND_ADDRESS | |
1482 | EMAC_MDIO_COMM_START_BUSY); | |
f1410647 | 1483 | REG_WR(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp); |
a2fbb9ea ET |
1484 | |
1485 | for (i = 0; i < 50; i++) { | |
1486 | udelay(10); | |
1487 | ||
f1410647 | 1488 | tmp = REG_RD(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM); |
a2fbb9ea ET |
1489 | if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) { |
1490 | udelay(5); | |
1491 | break; | |
1492 | } | |
1493 | } | |
a2fbb9ea ET |
1494 | if (tmp & EMAC_MDIO_COMM_START_BUSY) { |
1495 | BNX2X_ERR("write phy register failed\n"); | |
1496 | ||
1497 | rc = -EBUSY; | |
f1410647 | 1498 | |
a2fbb9ea ET |
1499 | } else { |
1500 | /* data */ | |
f1410647 | 1501 | tmp = ((phy_addr << 21) | (reg << 16) | val | |
a2fbb9ea ET |
1502 | EMAC_MDIO_COMM_COMMAND_WRITE_45 | |
1503 | EMAC_MDIO_COMM_START_BUSY); | |
f1410647 | 1504 | REG_WR(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp); |
a2fbb9ea ET |
1505 | |
1506 | for (i = 0; i < 50; i++) { | |
1507 | udelay(10); | |
1508 | ||
f1410647 | 1509 | tmp = REG_RD(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM); |
a2fbb9ea ET |
1510 | if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) { |
1511 | udelay(5); | |
1512 | break; | |
1513 | } | |
1514 | } | |
1515 | ||
1516 | if (tmp & EMAC_MDIO_COMM_START_BUSY) { | |
1517 | BNX2X_ERR("write phy register failed\n"); | |
1518 | ||
1519 | rc = -EBUSY; | |
1520 | } | |
1521 | } | |
1522 | ||
f1410647 ET |
1523 | /* unset clause 45 mode, set the MDIO clock to a faster value |
1524 | * (0x13 => 6.25Mhz) and restore the AUTO poll if needed | |
1525 | */ | |
1526 | tmp = REG_RD(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE); | |
1527 | tmp &= ~(EMAC_MDIO_MODE_CLAUSE_45 | EMAC_MDIO_MODE_CLOCK_CNT); | |
1528 | tmp |= (0x13 << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT); | |
1529 | if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) | |
a2fbb9ea | 1530 | tmp |= EMAC_MDIO_MODE_AUTO_POLL; |
f1410647 | 1531 | REG_WR(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, tmp); |
a2fbb9ea ET |
1532 | |
1533 | return rc; | |
1534 | } | |
1535 | ||
f1410647 ET |
1536 | static int bnx2x_mdio45_write(struct bnx2x *bp, u32 phy_addr, u32 reg, |
1537 | u32 addr, u32 val) | |
a2fbb9ea | 1538 | { |
f1410647 | 1539 | u32 emac_base = bp->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; |
a2fbb9ea | 1540 | |
f1410647 ET |
1541 | return bnx2x_mdio45_ctrl_write(bp, emac_base, phy_addr, |
1542 | reg, addr, val); | |
1543 | } | |
a2fbb9ea | 1544 | |
f1410647 ET |
1545 | static int bnx2x_mdio45_ctrl_read(struct bnx2x *bp, u32 mdio_ctrl, |
1546 | u32 phy_addr, u32 reg, u32 addr, | |
1547 | u32 *ret_val) | |
1548 | { | |
1549 | u32 val; | |
1550 | int i, rc = 0; | |
a2fbb9ea | 1551 | |
f1410647 ET |
1552 | /* set clause 45 mode, slow down the MDIO clock to 2.5MHz |
1553 | * (a value of 49==0x31) and make sure that the AUTO poll is off | |
1554 | */ | |
1555 | val = REG_RD(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE); | |
1556 | val &= ~(EMAC_MDIO_MODE_AUTO_POLL | EMAC_MDIO_MODE_CLOCK_CNT); | |
1557 | val |= (EMAC_MDIO_MODE_CLAUSE_45 | | |
1558 | (49 << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT)); | |
1559 | REG_WR(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, val); | |
1560 | REG_RD(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE); | |
1561 | udelay(40); | |
a2fbb9ea ET |
1562 | |
1563 | /* address */ | |
f1410647 | 1564 | val = ((phy_addr << 21) | (reg << 16) | addr | |
a2fbb9ea ET |
1565 | EMAC_MDIO_COMM_COMMAND_ADDRESS | |
1566 | EMAC_MDIO_COMM_START_BUSY); | |
f1410647 | 1567 | REG_WR(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val); |
a2fbb9ea ET |
1568 | |
1569 | for (i = 0; i < 50; i++) { | |
1570 | udelay(10); | |
1571 | ||
f1410647 | 1572 | val = REG_RD(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM); |
a2fbb9ea ET |
1573 | if (!(val & EMAC_MDIO_COMM_START_BUSY)) { |
1574 | udelay(5); | |
1575 | break; | |
1576 | } | |
1577 | } | |
a2fbb9ea ET |
1578 | if (val & EMAC_MDIO_COMM_START_BUSY) { |
1579 | BNX2X_ERR("read phy register failed\n"); | |
1580 | ||
1581 | *ret_val = 0; | |
1582 | rc = -EBUSY; | |
f1410647 | 1583 | |
a2fbb9ea ET |
1584 | } else { |
1585 | /* data */ | |
f1410647 | 1586 | val = ((phy_addr << 21) | (reg << 16) | |
a2fbb9ea ET |
1587 | EMAC_MDIO_COMM_COMMAND_READ_45 | |
1588 | EMAC_MDIO_COMM_START_BUSY); | |
f1410647 | 1589 | REG_WR(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val); |
a2fbb9ea ET |
1590 | |
1591 | for (i = 0; i < 50; i++) { | |
1592 | udelay(10); | |
1593 | ||
f1410647 | 1594 | val = REG_RD(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM); |
a2fbb9ea ET |
1595 | if (!(val & EMAC_MDIO_COMM_START_BUSY)) { |
1596 | val &= EMAC_MDIO_COMM_DATA; | |
1597 | break; | |
1598 | } | |
1599 | } | |
1600 | ||
1601 | if (val & EMAC_MDIO_COMM_START_BUSY) { | |
1602 | BNX2X_ERR("read phy register failed\n"); | |
1603 | ||
1604 | val = 0; | |
1605 | rc = -EBUSY; | |
1606 | } | |
1607 | ||
1608 | *ret_val = val; | |
1609 | } | |
1610 | ||
f1410647 ET |
1611 | /* unset clause 45 mode, set the MDIO clock to a faster value |
1612 | * (0x13 => 6.25Mhz) and restore the AUTO poll if needed | |
1613 | */ | |
1614 | val = REG_RD(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE); | |
1615 | val &= ~(EMAC_MDIO_MODE_CLAUSE_45 | EMAC_MDIO_MODE_CLOCK_CNT); | |
1616 | val |= (0x13 << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT); | |
1617 | if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) | |
a2fbb9ea | 1618 | val |= EMAC_MDIO_MODE_AUTO_POLL; |
f1410647 | 1619 | REG_WR(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, val); |
a2fbb9ea ET |
1620 | |
1621 | return rc; | |
1622 | } | |
1623 | ||
f1410647 ET |
1624 | static int bnx2x_mdio45_read(struct bnx2x *bp, u32 phy_addr, u32 reg, |
1625 | u32 addr, u32 *ret_val) | |
1626 | { | |
1627 | u32 emac_base = bp->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; | |
1628 | ||
1629 | return bnx2x_mdio45_ctrl_read(bp, emac_base, phy_addr, | |
1630 | reg, addr, ret_val); | |
1631 | } | |
1632 | ||
1633 | static int bnx2x_mdio45_vwrite(struct bnx2x *bp, u32 phy_addr, u32 reg, | |
1634 | u32 addr, u32 val) | |
a2fbb9ea ET |
1635 | { |
1636 | int i; | |
1637 | u32 rd_val; | |
1638 | ||
1639 | might_sleep(); | |
1640 | for (i = 0; i < 10; i++) { | |
f1410647 | 1641 | bnx2x_mdio45_write(bp, phy_addr, reg, addr, val); |
a2fbb9ea | 1642 | msleep(5); |
f1410647 | 1643 | bnx2x_mdio45_read(bp, phy_addr, reg, addr, &rd_val); |
a2fbb9ea ET |
1644 | /* if the read value is not the same as the value we wrote, |
1645 | we should write it again */ | |
1646 | if (rd_val == val) | |
1647 | return 0; | |
1648 | } | |
1649 | BNX2X_ERR("MDIO write in CL45 failed\n"); | |
1650 | return -EBUSY; | |
1651 | } | |
1652 | ||
1653 | /* | |
c14423fe | 1654 | * link management |
a2fbb9ea ET |
1655 | */ |
1656 | ||
f1410647 ET |
1657 | static void bnx2x_pause_resolve(struct bnx2x *bp, u32 pause_result) |
1658 | { | |
1659 | switch (pause_result) { /* ASYM P ASYM P */ | |
1660 | case 0xb: /* 1 0 1 1 */ | |
1661 | bp->flow_ctrl = FLOW_CTRL_TX; | |
1662 | break; | |
1663 | ||
1664 | case 0xe: /* 1 1 1 0 */ | |
1665 | bp->flow_ctrl = FLOW_CTRL_RX; | |
1666 | break; | |
1667 | ||
1668 | case 0x5: /* 0 1 0 1 */ | |
1669 | case 0x7: /* 0 1 1 1 */ | |
1670 | case 0xd: /* 1 1 0 1 */ | |
1671 | case 0xf: /* 1 1 1 1 */ | |
1672 | bp->flow_ctrl = FLOW_CTRL_BOTH; | |
1673 | break; | |
1674 | ||
1675 | default: | |
1676 | break; | |
1677 | } | |
1678 | } | |
1679 | ||
1680 | static u8 bnx2x_ext_phy_resove_fc(struct bnx2x *bp) | |
1681 | { | |
1682 | u32 ext_phy_addr; | |
1683 | u32 ld_pause; /* local */ | |
1684 | u32 lp_pause; /* link partner */ | |
1685 | u32 an_complete; /* AN complete */ | |
1686 | u32 pause_result; | |
1687 | u8 ret = 0; | |
1688 | ||
1689 | ext_phy_addr = ((bp->ext_phy_config & | |
1690 | PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >> | |
1691 | PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT); | |
1692 | ||
1693 | /* read twice */ | |
1694 | bnx2x_mdio45_read(bp, ext_phy_addr, | |
1695 | EXT_PHY_KR_AUTO_NEG_DEVAD, | |
1696 | EXT_PHY_KR_STATUS, &an_complete); | |
1697 | bnx2x_mdio45_read(bp, ext_phy_addr, | |
1698 | EXT_PHY_KR_AUTO_NEG_DEVAD, | |
1699 | EXT_PHY_KR_STATUS, &an_complete); | |
1700 | ||
1701 | if (an_complete & EXT_PHY_KR_AUTO_NEG_COMPLETE) { | |
1702 | ret = 1; | |
1703 | bnx2x_mdio45_read(bp, ext_phy_addr, | |
1704 | EXT_PHY_KR_AUTO_NEG_DEVAD, | |
1705 | EXT_PHY_KR_AUTO_NEG_ADVERT, &ld_pause); | |
1706 | bnx2x_mdio45_read(bp, ext_phy_addr, | |
1707 | EXT_PHY_KR_AUTO_NEG_DEVAD, | |
1708 | EXT_PHY_KR_LP_AUTO_NEG, &lp_pause); | |
1709 | pause_result = (ld_pause & | |
1710 | EXT_PHY_KR_AUTO_NEG_ADVERT_PAUSE_MASK) >> 8; | |
1711 | pause_result |= (lp_pause & | |
1712 | EXT_PHY_KR_AUTO_NEG_ADVERT_PAUSE_MASK) >> 10; | |
1713 | DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x \n", | |
1714 | pause_result); | |
1715 | bnx2x_pause_resolve(bp, pause_result); | |
1716 | } | |
1717 | return ret; | |
1718 | } | |
1719 | ||
a2fbb9ea ET |
1720 | static void bnx2x_flow_ctrl_resolve(struct bnx2x *bp, u32 gp_status) |
1721 | { | |
f1410647 ET |
1722 | u32 ld_pause; /* local driver */ |
1723 | u32 lp_pause; /* link partner */ | |
a2fbb9ea ET |
1724 | u32 pause_result; |
1725 | ||
1726 | bp->flow_ctrl = 0; | |
1727 | ||
c14423fe | 1728 | /* resolve from gp_status in case of AN complete and not sgmii */ |
a2fbb9ea ET |
1729 | if ((bp->req_autoneg & AUTONEG_FLOW_CTRL) && |
1730 | (gp_status & MDIO_AN_CL73_OR_37_COMPLETE) && | |
1731 | (!(bp->phy_flags & PHY_SGMII_FLAG)) && | |
1732 | (XGXS_EXT_PHY_TYPE(bp) == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)) { | |
1733 | ||
1734 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_COMBO_IEEE0); | |
1735 | bnx2x_mdio22_read(bp, MDIO_COMBO_IEEE0_AUTO_NEG_ADV, | |
1736 | &ld_pause); | |
1737 | bnx2x_mdio22_read(bp, | |
1738 | MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1, | |
1739 | &lp_pause); | |
1740 | pause_result = (ld_pause & | |
1741 | MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5; | |
1742 | pause_result |= (lp_pause & | |
1743 | MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7; | |
1744 | DP(NETIF_MSG_LINK, "pause_result 0x%x\n", pause_result); | |
f1410647 ET |
1745 | bnx2x_pause_resolve(bp, pause_result); |
1746 | } else if (!(bp->req_autoneg & AUTONEG_FLOW_CTRL) || | |
1747 | !(bnx2x_ext_phy_resove_fc(bp))) { | |
1748 | /* forced speed */ | |
1749 | if (bp->req_autoneg & AUTONEG_FLOW_CTRL) { | |
1750 | switch (bp->req_flow_ctrl) { | |
1751 | case FLOW_CTRL_AUTO: | |
1752 | if (bp->dev->mtu <= 4500) | |
1753 | bp->flow_ctrl = FLOW_CTRL_BOTH; | |
1754 | else | |
1755 | bp->flow_ctrl = FLOW_CTRL_TX; | |
1756 | break; | |
a2fbb9ea | 1757 | |
f1410647 ET |
1758 | case FLOW_CTRL_TX: |
1759 | bp->flow_ctrl = FLOW_CTRL_TX; | |
1760 | break; | |
a2fbb9ea | 1761 | |
f1410647 ET |
1762 | case FLOW_CTRL_RX: |
1763 | if (bp->dev->mtu <= 4500) | |
1764 | bp->flow_ctrl = FLOW_CTRL_RX; | |
1765 | break; | |
a2fbb9ea | 1766 | |
f1410647 ET |
1767 | case FLOW_CTRL_BOTH: |
1768 | if (bp->dev->mtu <= 4500) | |
1769 | bp->flow_ctrl = FLOW_CTRL_BOTH; | |
1770 | else | |
1771 | bp->flow_ctrl = FLOW_CTRL_TX; | |
1772 | break; | |
a2fbb9ea | 1773 | |
f1410647 ET |
1774 | case FLOW_CTRL_NONE: |
1775 | default: | |
1776 | break; | |
1777 | } | |
1778 | } else { /* forced mode */ | |
1779 | switch (bp->req_flow_ctrl) { | |
1780 | case FLOW_CTRL_AUTO: | |
1781 | DP(NETIF_MSG_LINK, "req_flow_ctrl 0x%x while" | |
1782 | " req_autoneg 0x%x\n", | |
1783 | bp->req_flow_ctrl, bp->req_autoneg); | |
1784 | break; | |
a2fbb9ea | 1785 | |
f1410647 ET |
1786 | case FLOW_CTRL_TX: |
1787 | case FLOW_CTRL_RX: | |
1788 | case FLOW_CTRL_BOTH: | |
1789 | bp->flow_ctrl = bp->req_flow_ctrl; | |
1790 | break; | |
a2fbb9ea | 1791 | |
f1410647 ET |
1792 | case FLOW_CTRL_NONE: |
1793 | default: | |
1794 | break; | |
1795 | } | |
a2fbb9ea ET |
1796 | } |
1797 | } | |
1798 | DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", bp->flow_ctrl); | |
1799 | } | |
1800 | ||
1801 | static void bnx2x_link_settings_status(struct bnx2x *bp, u32 gp_status) | |
1802 | { | |
1803 | bp->link_status = 0; | |
1804 | ||
1805 | if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) { | |
f1410647 | 1806 | DP(NETIF_MSG_LINK, "phy link up\n"); |
a2fbb9ea | 1807 | |
f1410647 | 1808 | bp->phy_link_up = 1; |
a2fbb9ea ET |
1809 | bp->link_status |= LINK_STATUS_LINK_UP; |
1810 | ||
1811 | if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS) | |
1812 | bp->duplex = DUPLEX_FULL; | |
1813 | else | |
1814 | bp->duplex = DUPLEX_HALF; | |
1815 | ||
1816 | bnx2x_flow_ctrl_resolve(bp, gp_status); | |
1817 | ||
1818 | switch (gp_status & GP_STATUS_SPEED_MASK) { | |
1819 | case GP_STATUS_10M: | |
1820 | bp->line_speed = SPEED_10; | |
1821 | if (bp->duplex == DUPLEX_FULL) | |
1822 | bp->link_status |= LINK_10TFD; | |
1823 | else | |
1824 | bp->link_status |= LINK_10THD; | |
1825 | break; | |
1826 | ||
1827 | case GP_STATUS_100M: | |
1828 | bp->line_speed = SPEED_100; | |
1829 | if (bp->duplex == DUPLEX_FULL) | |
1830 | bp->link_status |= LINK_100TXFD; | |
1831 | else | |
1832 | bp->link_status |= LINK_100TXHD; | |
1833 | break; | |
1834 | ||
1835 | case GP_STATUS_1G: | |
1836 | case GP_STATUS_1G_KX: | |
1837 | bp->line_speed = SPEED_1000; | |
1838 | if (bp->duplex == DUPLEX_FULL) | |
1839 | bp->link_status |= LINK_1000TFD; | |
1840 | else | |
1841 | bp->link_status |= LINK_1000THD; | |
1842 | break; | |
1843 | ||
1844 | case GP_STATUS_2_5G: | |
1845 | bp->line_speed = SPEED_2500; | |
1846 | if (bp->duplex == DUPLEX_FULL) | |
1847 | bp->link_status |= LINK_2500TFD; | |
1848 | else | |
1849 | bp->link_status |= LINK_2500THD; | |
1850 | break; | |
1851 | ||
1852 | case GP_STATUS_5G: | |
1853 | case GP_STATUS_6G: | |
1854 | BNX2X_ERR("link speed unsupported gp_status 0x%x\n", | |
1855 | gp_status); | |
1856 | break; | |
1857 | ||
1858 | case GP_STATUS_10G_KX4: | |
1859 | case GP_STATUS_10G_HIG: | |
1860 | case GP_STATUS_10G_CX4: | |
1861 | bp->line_speed = SPEED_10000; | |
1862 | bp->link_status |= LINK_10GTFD; | |
1863 | break; | |
1864 | ||
1865 | case GP_STATUS_12G_HIG: | |
1866 | bp->line_speed = SPEED_12000; | |
1867 | bp->link_status |= LINK_12GTFD; | |
1868 | break; | |
1869 | ||
1870 | case GP_STATUS_12_5G: | |
1871 | bp->line_speed = SPEED_12500; | |
1872 | bp->link_status |= LINK_12_5GTFD; | |
1873 | break; | |
1874 | ||
1875 | case GP_STATUS_13G: | |
1876 | bp->line_speed = SPEED_13000; | |
1877 | bp->link_status |= LINK_13GTFD; | |
1878 | break; | |
1879 | ||
1880 | case GP_STATUS_15G: | |
1881 | bp->line_speed = SPEED_15000; | |
1882 | bp->link_status |= LINK_15GTFD; | |
1883 | break; | |
1884 | ||
1885 | case GP_STATUS_16G: | |
1886 | bp->line_speed = SPEED_16000; | |
1887 | bp->link_status |= LINK_16GTFD; | |
1888 | break; | |
1889 | ||
1890 | default: | |
1891 | BNX2X_ERR("link speed unsupported gp_status 0x%x\n", | |
1892 | gp_status); | |
1893 | break; | |
1894 | } | |
1895 | ||
1896 | bp->link_status |= LINK_STATUS_SERDES_LINK; | |
1897 | ||
1898 | if (bp->req_autoneg & AUTONEG_SPEED) { | |
1899 | bp->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED; | |
1900 | ||
1901 | if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE) | |
1902 | bp->link_status |= | |
1903 | LINK_STATUS_AUTO_NEGOTIATE_COMPLETE; | |
1904 | ||
1905 | if (bp->autoneg & AUTONEG_PARALLEL) | |
1906 | bp->link_status |= | |
1907 | LINK_STATUS_PARALLEL_DETECTION_USED; | |
1908 | } | |
1909 | ||
1910 | if (bp->flow_ctrl & FLOW_CTRL_TX) | |
1911 | bp->link_status |= LINK_STATUS_TX_FLOW_CONTROL_ENABLED; | |
1912 | ||
1913 | if (bp->flow_ctrl & FLOW_CTRL_RX) | |
1914 | bp->link_status |= LINK_STATUS_RX_FLOW_CONTROL_ENABLED; | |
1915 | ||
1916 | } else { /* link_down */ | |
f1410647 | 1917 | DP(NETIF_MSG_LINK, "phy link down\n"); |
a2fbb9ea | 1918 | |
f1410647 | 1919 | bp->phy_link_up = 0; |
a2fbb9ea ET |
1920 | |
1921 | bp->line_speed = 0; | |
1922 | bp->duplex = DUPLEX_FULL; | |
1923 | bp->flow_ctrl = 0; | |
1924 | } | |
1925 | ||
f1410647 | 1926 | DP(NETIF_MSG_LINK, "gp_status 0x%x phy_link_up %d\n" |
a2fbb9ea ET |
1927 | DP_LEVEL " line_speed %d duplex %d flow_ctrl 0x%x" |
1928 | " link_status 0x%x\n", | |
f1410647 ET |
1929 | gp_status, bp->phy_link_up, bp->line_speed, bp->duplex, |
1930 | bp->flow_ctrl, bp->link_status); | |
a2fbb9ea ET |
1931 | } |
1932 | ||
1933 | static void bnx2x_link_int_ack(struct bnx2x *bp, int is_10g) | |
1934 | { | |
1935 | int port = bp->port; | |
1936 | ||
1937 | /* first reset all status | |
c14423fe | 1938 | * we assume only one line will be change at a time */ |
a2fbb9ea | 1939 | bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4, |
f1410647 ET |
1940 | (NIG_STATUS_XGXS0_LINK10G | |
1941 | NIG_STATUS_XGXS0_LINK_STATUS | | |
1942 | NIG_STATUS_SERDES0_LINK_STATUS)); | |
1943 | if (bp->phy_link_up) { | |
a2fbb9ea ET |
1944 | if (is_10g) { |
1945 | /* Disable the 10G link interrupt | |
1946 | * by writing 1 to the status register | |
1947 | */ | |
f1410647 | 1948 | DP(NETIF_MSG_LINK, "10G XGXS phy link up\n"); |
a2fbb9ea ET |
1949 | bnx2x_bits_en(bp, |
1950 | NIG_REG_STATUS_INTERRUPT_PORT0 + port*4, | |
f1410647 | 1951 | NIG_STATUS_XGXS0_LINK10G); |
a2fbb9ea ET |
1952 | |
1953 | } else if (bp->phy_flags & PHY_XGXS_FLAG) { | |
1954 | /* Disable the link interrupt | |
1955 | * by writing 1 to the relevant lane | |
1956 | * in the status register | |
1957 | */ | |
f1410647 | 1958 | DP(NETIF_MSG_LINK, "1G XGXS phy link up\n"); |
a2fbb9ea ET |
1959 | bnx2x_bits_en(bp, |
1960 | NIG_REG_STATUS_INTERRUPT_PORT0 + port*4, | |
1961 | ((1 << bp->ser_lane) << | |
f1410647 | 1962 | NIG_STATUS_XGXS0_LINK_STATUS_SIZE)); |
a2fbb9ea ET |
1963 | |
1964 | } else { /* SerDes */ | |
f1410647 | 1965 | DP(NETIF_MSG_LINK, "SerDes phy link up\n"); |
a2fbb9ea ET |
1966 | /* Disable the link interrupt |
1967 | * by writing 1 to the status register | |
1968 | */ | |
1969 | bnx2x_bits_en(bp, | |
1970 | NIG_REG_STATUS_INTERRUPT_PORT0 + port*4, | |
f1410647 | 1971 | NIG_STATUS_SERDES0_LINK_STATUS); |
a2fbb9ea ET |
1972 | } |
1973 | ||
1974 | } else { /* link_down */ | |
1975 | } | |
1976 | } | |
1977 | ||
1978 | static int bnx2x_ext_phy_is_link_up(struct bnx2x *bp) | |
1979 | { | |
1980 | u32 ext_phy_type; | |
1981 | u32 ext_phy_addr; | |
f1410647 | 1982 | u32 val1 = 0, val2; |
a2fbb9ea ET |
1983 | u32 rx_sd, pcs_status; |
1984 | ||
1985 | if (bp->phy_flags & PHY_XGXS_FLAG) { | |
a2fbb9ea ET |
1986 | ext_phy_addr = ((bp->ext_phy_config & |
1987 | PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >> | |
1988 | PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT); | |
a2fbb9ea ET |
1989 | |
1990 | ext_phy_type = XGXS_EXT_PHY_TYPE(bp); | |
1991 | switch (ext_phy_type) { | |
1992 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT: | |
1993 | DP(NETIF_MSG_LINK, "XGXS Direct\n"); | |
f1410647 | 1994 | val1 = 1; |
a2fbb9ea ET |
1995 | break; |
1996 | ||
1997 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705: | |
1998 | DP(NETIF_MSG_LINK, "XGXS 8705\n"); | |
f1410647 ET |
1999 | bnx2x_mdio45_read(bp, ext_phy_addr, |
2000 | EXT_PHY_OPT_WIS_DEVAD, | |
2001 | EXT_PHY_OPT_LASI_STATUS, &val1); | |
2002 | DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1); | |
2003 | ||
2004 | bnx2x_mdio45_read(bp, ext_phy_addr, | |
2005 | EXT_PHY_OPT_WIS_DEVAD, | |
2006 | EXT_PHY_OPT_LASI_STATUS, &val1); | |
2007 | DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1); | |
2008 | ||
2009 | bnx2x_mdio45_read(bp, ext_phy_addr, | |
2010 | EXT_PHY_OPT_PMA_PMD_DEVAD, | |
a2fbb9ea | 2011 | EXT_PHY_OPT_PMD_RX_SD, &rx_sd); |
f1410647 ET |
2012 | DP(NETIF_MSG_LINK, "8705 rx_sd 0x%x\n", rx_sd); |
2013 | val1 = (rx_sd & 0x1); | |
a2fbb9ea ET |
2014 | break; |
2015 | ||
2016 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706: | |
2017 | DP(NETIF_MSG_LINK, "XGXS 8706\n"); | |
f1410647 ET |
2018 | bnx2x_mdio45_read(bp, ext_phy_addr, |
2019 | EXT_PHY_OPT_PMA_PMD_DEVAD, | |
2020 | EXT_PHY_OPT_LASI_STATUS, &val1); | |
2021 | DP(NETIF_MSG_LINK, "8706 LASI status 0x%x\n", val1); | |
2022 | ||
2023 | bnx2x_mdio45_read(bp, ext_phy_addr, | |
2024 | EXT_PHY_OPT_PMA_PMD_DEVAD, | |
2025 | EXT_PHY_OPT_LASI_STATUS, &val1); | |
2026 | DP(NETIF_MSG_LINK, "8706 LASI status 0x%x\n", val1); | |
2027 | ||
2028 | bnx2x_mdio45_read(bp, ext_phy_addr, | |
2029 | EXT_PHY_OPT_PMA_PMD_DEVAD, | |
a2fbb9ea | 2030 | EXT_PHY_OPT_PMD_RX_SD, &rx_sd); |
f1410647 ET |
2031 | bnx2x_mdio45_read(bp, ext_phy_addr, |
2032 | EXT_PHY_OPT_PCS_DEVAD, | |
2033 | EXT_PHY_OPT_PCS_STATUS, &pcs_status); | |
2034 | bnx2x_mdio45_read(bp, ext_phy_addr, | |
2035 | EXT_PHY_AUTO_NEG_DEVAD, | |
2036 | EXT_PHY_OPT_AN_LINK_STATUS, &val2); | |
2037 | ||
a2fbb9ea | 2038 | DP(NETIF_MSG_LINK, "8706 rx_sd 0x%x" |
f1410647 ET |
2039 | " pcs_status 0x%x 1Gbps link_status 0x%x 0x%x\n", |
2040 | rx_sd, pcs_status, val2, (val2 & (1<<1))); | |
2041 | /* link is up if both bit 0 of pmd_rx_sd and | |
2042 | * bit 0 of pcs_status are set, or if the autoneg bit | |
2043 | 1 is set | |
2044 | */ | |
2045 | val1 = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1))); | |
2046 | break; | |
2047 | ||
2048 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072: | |
2049 | bnx2x_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO); | |
2050 | ||
2051 | /* clear the interrupt LASI status register */ | |
2052 | bnx2x_mdio45_ctrl_read(bp, GRCBASE_EMAC0, | |
2053 | ext_phy_addr, | |
2054 | EXT_PHY_KR_PCS_DEVAD, | |
2055 | EXT_PHY_KR_LASI_STATUS, &val2); | |
2056 | bnx2x_mdio45_ctrl_read(bp, GRCBASE_EMAC0, | |
2057 | ext_phy_addr, | |
2058 | EXT_PHY_KR_PCS_DEVAD, | |
2059 | EXT_PHY_KR_LASI_STATUS, &val1); | |
2060 | DP(NETIF_MSG_LINK, "KR LASI status 0x%x->0x%x\n", | |
2061 | val2, val1); | |
2062 | /* Check the LASI */ | |
2063 | bnx2x_mdio45_ctrl_read(bp, GRCBASE_EMAC0, | |
2064 | ext_phy_addr, | |
2065 | EXT_PHY_KR_PMA_PMD_DEVAD, | |
2066 | 0x9003, &val2); | |
2067 | bnx2x_mdio45_ctrl_read(bp, GRCBASE_EMAC0, | |
2068 | ext_phy_addr, | |
2069 | EXT_PHY_KR_PMA_PMD_DEVAD, | |
2070 | 0x9003, &val1); | |
2071 | DP(NETIF_MSG_LINK, "KR 0x9003 0x%x->0x%x\n", | |
2072 | val2, val1); | |
2073 | /* Check the link status */ | |
2074 | bnx2x_mdio45_ctrl_read(bp, GRCBASE_EMAC0, | |
2075 | ext_phy_addr, | |
2076 | EXT_PHY_KR_PCS_DEVAD, | |
2077 | EXT_PHY_KR_PCS_STATUS, &val2); | |
2078 | DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2); | |
2079 | /* Check the link status on 1.1.2 */ | |
2080 | bnx2x_mdio45_ctrl_read(bp, GRCBASE_EMAC0, | |
2081 | ext_phy_addr, | |
2082 | EXT_PHY_OPT_PMA_PMD_DEVAD, | |
2083 | EXT_PHY_KR_STATUS, &val2); | |
2084 | bnx2x_mdio45_ctrl_read(bp, GRCBASE_EMAC0, | |
2085 | ext_phy_addr, | |
2086 | EXT_PHY_OPT_PMA_PMD_DEVAD, | |
2087 | EXT_PHY_KR_STATUS, &val1); | |
2088 | DP(NETIF_MSG_LINK, | |
2089 | "KR PMA status 0x%x->0x%x\n", val2, val1); | |
2090 | val1 = ((val1 & 4) == 4); | |
2091 | /* If 1G was requested assume the link is up */ | |
2092 | if (!(bp->req_autoneg & AUTONEG_SPEED) && | |
2093 | (bp->req_line_speed == SPEED_1000)) | |
2094 | val1 = 1; | |
2095 | bnx2x_hw_unlock(bp, HW_LOCK_RESOURCE_8072_MDIO); | |
2096 | break; | |
2097 | ||
2098 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101: | |
2099 | bnx2x_mdio45_read(bp, ext_phy_addr, | |
2100 | EXT_PHY_OPT_PMA_PMD_DEVAD, | |
2101 | EXT_PHY_OPT_LASI_STATUS, &val2); | |
2102 | bnx2x_mdio45_read(bp, ext_phy_addr, | |
2103 | EXT_PHY_OPT_PMA_PMD_DEVAD, | |
2104 | EXT_PHY_OPT_LASI_STATUS, &val1); | |
2105 | DP(NETIF_MSG_LINK, | |
2106 | "10G-base-T LASI status 0x%x->0x%x\n", val2, val1); | |
2107 | bnx2x_mdio45_read(bp, ext_phy_addr, | |
2108 | EXT_PHY_OPT_PMA_PMD_DEVAD, | |
2109 | EXT_PHY_KR_STATUS, &val2); | |
2110 | bnx2x_mdio45_read(bp, ext_phy_addr, | |
2111 | EXT_PHY_OPT_PMA_PMD_DEVAD, | |
2112 | EXT_PHY_KR_STATUS, &val1); | |
2113 | DP(NETIF_MSG_LINK, | |
2114 | "10G-base-T PMA status 0x%x->0x%x\n", val2, val1); | |
2115 | val1 = ((val1 & 4) == 4); | |
2116 | /* if link is up | |
2117 | * print the AN outcome of the SFX7101 PHY | |
a2fbb9ea | 2118 | */ |
f1410647 ET |
2119 | if (val1) { |
2120 | bnx2x_mdio45_read(bp, ext_phy_addr, | |
2121 | EXT_PHY_KR_AUTO_NEG_DEVAD, | |
2122 | 0x21, &val2); | |
2123 | DP(NETIF_MSG_LINK, | |
2124 | "SFX7101 AN status 0x%x->%s\n", val2, | |
2125 | (val2 & (1<<14)) ? "Master" : "Slave"); | |
2126 | } | |
a2fbb9ea ET |
2127 | break; |
2128 | ||
2129 | default: | |
2130 | DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n", | |
2131 | bp->ext_phy_config); | |
f1410647 | 2132 | val1 = 0; |
a2fbb9ea ET |
2133 | break; |
2134 | } | |
a2fbb9ea ET |
2135 | |
2136 | } else { /* SerDes */ | |
2137 | ext_phy_type = SERDES_EXT_PHY_TYPE(bp); | |
2138 | switch (ext_phy_type) { | |
2139 | case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT: | |
2140 | DP(NETIF_MSG_LINK, "SerDes Direct\n"); | |
f1410647 | 2141 | val1 = 1; |
a2fbb9ea ET |
2142 | break; |
2143 | ||
2144 | case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482: | |
2145 | DP(NETIF_MSG_LINK, "SerDes 5482\n"); | |
f1410647 | 2146 | val1 = 1; |
a2fbb9ea ET |
2147 | break; |
2148 | ||
2149 | default: | |
2150 | DP(NETIF_MSG_LINK, "BAD SerDes ext_phy_config 0x%x\n", | |
2151 | bp->ext_phy_config); | |
f1410647 | 2152 | val1 = 0; |
a2fbb9ea ET |
2153 | break; |
2154 | } | |
2155 | } | |
2156 | ||
f1410647 | 2157 | return val1; |
a2fbb9ea ET |
2158 | } |
2159 | ||
2160 | static void bnx2x_bmac_enable(struct bnx2x *bp, int is_lb) | |
2161 | { | |
2162 | int port = bp->port; | |
2163 | u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM : | |
2164 | NIG_REG_INGRESS_BMAC0_MEM; | |
2165 | u32 wb_write[2]; | |
2166 | u32 val; | |
2167 | ||
c14423fe | 2168 | DP(NETIF_MSG_LINK, "enabling BigMAC\n"); |
a2fbb9ea ET |
2169 | /* reset and unreset the BigMac */ |
2170 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, | |
2171 | (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); | |
2172 | msleep(5); | |
2173 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, | |
2174 | (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); | |
2175 | ||
2176 | /* enable access for bmac registers */ | |
2177 | NIG_WR(NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1); | |
2178 | ||
2179 | /* XGXS control */ | |
2180 | wb_write[0] = 0x3c; | |
2181 | wb_write[1] = 0; | |
2182 | REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL, | |
2183 | wb_write, 2); | |
2184 | ||
2185 | /* tx MAC SA */ | |
2186 | wb_write[0] = ((bp->dev->dev_addr[2] << 24) | | |
2187 | (bp->dev->dev_addr[3] << 16) | | |
2188 | (bp->dev->dev_addr[4] << 8) | | |
2189 | bp->dev->dev_addr[5]); | |
2190 | wb_write[1] = ((bp->dev->dev_addr[0] << 8) | | |
2191 | bp->dev->dev_addr[1]); | |
2192 | REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, | |
2193 | wb_write, 2); | |
2194 | ||
2195 | /* tx control */ | |
2196 | val = 0xc0; | |
2197 | if (bp->flow_ctrl & FLOW_CTRL_TX) | |
2198 | val |= 0x800000; | |
2199 | wb_write[0] = val; | |
2200 | wb_write[1] = 0; | |
2201 | REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_write, 2); | |
2202 | ||
2203 | /* set tx mtu */ | |
2204 | wb_write[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD; /* -CRC */ | |
2205 | wb_write[1] = 0; | |
2206 | REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_write, 2); | |
2207 | ||
2208 | /* mac control */ | |
2209 | val = 0x3; | |
2210 | if (is_lb) { | |
2211 | val |= 0x4; | |
2212 | DP(NETIF_MSG_LINK, "enable bmac loopback\n"); | |
2213 | } | |
2214 | wb_write[0] = val; | |
2215 | wb_write[1] = 0; | |
2216 | REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, | |
2217 | wb_write, 2); | |
2218 | ||
2219 | /* rx control set to don't strip crc */ | |
2220 | val = 0x14; | |
2221 | if (bp->flow_ctrl & FLOW_CTRL_RX) | |
2222 | val |= 0x20; | |
2223 | wb_write[0] = val; | |
2224 | wb_write[1] = 0; | |
2225 | REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_write, 2); | |
2226 | ||
2227 | /* set rx mtu */ | |
2228 | wb_write[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD; | |
2229 | wb_write[1] = 0; | |
2230 | REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_write, 2); | |
2231 | ||
2232 | /* set cnt max size */ | |
2233 | wb_write[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD; /* -VLAN */ | |
2234 | wb_write[1] = 0; | |
2235 | REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, | |
2236 | wb_write, 2); | |
2237 | ||
2238 | /* configure safc */ | |
2239 | wb_write[0] = 0x1000200; | |
2240 | wb_write[1] = 0; | |
2241 | REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS, | |
2242 | wb_write, 2); | |
2243 | ||
2244 | /* fix for emulation */ | |
2245 | if (CHIP_REV(bp) == CHIP_REV_EMUL) { | |
2246 | wb_write[0] = 0xf000; | |
2247 | wb_write[1] = 0; | |
2248 | REG_WR_DMAE(bp, | |
2249 | bmac_addr + BIGMAC_REGISTER_TX_PAUSE_THRESHOLD, | |
2250 | wb_write, 2); | |
2251 | } | |
2252 | ||
2253 | /* reset old bmac stats */ | |
2254 | memset(&bp->old_bmac, 0, sizeof(struct bmac_stats)); | |
2255 | ||
2256 | NIG_WR(NIG_REG_XCM0_OUT_EN + port*4, 0x0); | |
2257 | ||
2258 | /* select XGXS */ | |
2259 | NIG_WR(NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1); | |
2260 | NIG_WR(NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0); | |
2261 | ||
2262 | /* disable the NIG in/out to the emac */ | |
2263 | NIG_WR(NIG_REG_EMAC0_IN_EN + port*4, 0x0); | |
2264 | NIG_WR(NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0); | |
2265 | NIG_WR(NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0); | |
2266 | ||
2267 | /* enable the NIG in/out to the bmac */ | |
2268 | NIG_WR(NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0); | |
2269 | ||
2270 | NIG_WR(NIG_REG_BMAC0_IN_EN + port*4, 0x1); | |
2271 | val = 0; | |
2272 | if (bp->flow_ctrl & FLOW_CTRL_TX) | |
2273 | val = 1; | |
2274 | NIG_WR(NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val); | |
2275 | NIG_WR(NIG_REG_BMAC0_OUT_EN + port*4, 0x1); | |
2276 | ||
2277 | bp->phy_flags |= PHY_BMAC_FLAG; | |
2278 | ||
2279 | bp->stats_state = STATS_STATE_ENABLE; | |
2280 | } | |
2281 | ||
f1410647 ET |
2282 | static void bnx2x_bmac_rx_disable(struct bnx2x *bp) |
2283 | { | |
2284 | int port = bp->port; | |
2285 | u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM : | |
2286 | NIG_REG_INGRESS_BMAC0_MEM; | |
2287 | u32 wb_write[2]; | |
2288 | ||
2289 | /* Only if the bmac is out of reset */ | |
2290 | if (REG_RD(bp, MISC_REG_RESET_REG_2) & | |
2291 | (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)) { | |
2292 | /* Clear Rx Enable bit in BMAC_CONTROL register */ | |
2293 | #ifdef BNX2X_DMAE_RD | |
2294 | bnx2x_read_dmae(bp, bmac_addr + | |
2295 | BIGMAC_REGISTER_BMAC_CONTROL, 2); | |
2296 | wb_write[0] = *bnx2x_sp(bp, wb_data[0]); | |
2297 | wb_write[1] = *bnx2x_sp(bp, wb_data[1]); | |
2298 | #else | |
2299 | wb_write[0] = REG_RD(bp, | |
2300 | bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL); | |
2301 | wb_write[1] = REG_RD(bp, | |
2302 | bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL + 4); | |
2303 | #endif | |
2304 | wb_write[0] &= ~BMAC_CONTROL_RX_ENABLE; | |
2305 | REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, | |
2306 | wb_write, 2); | |
2307 | msleep(1); | |
2308 | } | |
2309 | } | |
2310 | ||
a2fbb9ea ET |
2311 | static void bnx2x_emac_enable(struct bnx2x *bp) |
2312 | { | |
2313 | int port = bp->port; | |
2314 | u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; | |
2315 | u32 val; | |
2316 | int timeout; | |
2317 | ||
c14423fe | 2318 | DP(NETIF_MSG_LINK, "enabling EMAC\n"); |
a2fbb9ea ET |
2319 | /* reset and unreset the emac core */ |
2320 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, | |
2321 | (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port)); | |
2322 | msleep(5); | |
2323 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, | |
2324 | (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port)); | |
2325 | ||
2326 | /* enable emac and not bmac */ | |
2327 | NIG_WR(NIG_REG_EGRESS_EMAC0_PORT + port*4, 1); | |
2328 | ||
2329 | /* for paladium */ | |
2330 | if (CHIP_REV(bp) == CHIP_REV_EMUL) { | |
2331 | /* Use lane 1 (of lanes 0-3) */ | |
2332 | NIG_WR(NIG_REG_XGXS_LANE_SEL_P0 + port*4, 1); | |
2333 | NIG_WR(NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1); | |
2334 | } | |
2335 | /* for fpga */ | |
2336 | else if (CHIP_REV(bp) == CHIP_REV_FPGA) { | |
2337 | /* Use lane 1 (of lanes 0-3) */ | |
2338 | NIG_WR(NIG_REG_XGXS_LANE_SEL_P0 + port*4, 1); | |
2339 | NIG_WR(NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0); | |
2340 | } | |
2341 | /* ASIC */ | |
2342 | else { | |
2343 | if (bp->phy_flags & PHY_XGXS_FLAG) { | |
2344 | DP(NETIF_MSG_LINK, "XGXS\n"); | |
2345 | /* select the master lanes (out of 0-3) */ | |
2346 | NIG_WR(NIG_REG_XGXS_LANE_SEL_P0 + port*4, | |
2347 | bp->ser_lane); | |
2348 | /* select XGXS */ | |
2349 | NIG_WR(NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1); | |
2350 | ||
2351 | } else { /* SerDes */ | |
2352 | DP(NETIF_MSG_LINK, "SerDes\n"); | |
2353 | /* select SerDes */ | |
2354 | NIG_WR(NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0); | |
2355 | } | |
2356 | } | |
2357 | ||
2358 | /* enable emac */ | |
2359 | NIG_WR(NIG_REG_NIG_EMAC0_EN + port*4, 1); | |
2360 | ||
2361 | /* init emac - use read-modify-write */ | |
2362 | /* self clear reset */ | |
2363 | val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE); | |
2364 | EMAC_WR(EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET)); | |
2365 | ||
2366 | timeout = 200; | |
2367 | while (val & EMAC_MODE_RESET) { | |
2368 | val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE); | |
2369 | DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val); | |
2370 | if (!timeout) { | |
2371 | BNX2X_ERR("EMAC timeout!\n"); | |
2372 | break; | |
2373 | } | |
2374 | timeout--; | |
2375 | } | |
2376 | ||
2377 | /* reset tx part */ | |
2378 | EMAC_WR(EMAC_REG_EMAC_TX_MODE, EMAC_TX_MODE_RESET); | |
2379 | ||
2380 | timeout = 200; | |
2381 | while (val & EMAC_TX_MODE_RESET) { | |
2382 | val = REG_RD(bp, emac_base + EMAC_REG_EMAC_TX_MODE); | |
2383 | DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val); | |
2384 | if (!timeout) { | |
2385 | BNX2X_ERR("EMAC timeout!\n"); | |
2386 | break; | |
2387 | } | |
2388 | timeout--; | |
2389 | } | |
2390 | ||
2391 | if (CHIP_REV_IS_SLOW(bp)) { | |
2392 | /* config GMII mode */ | |
2393 | val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE); | |
2394 | EMAC_WR(EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII)); | |
2395 | ||
2396 | } else { /* ASIC */ | |
2397 | /* pause enable/disable */ | |
2398 | bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE, | |
2399 | EMAC_RX_MODE_FLOW_EN); | |
2400 | if (bp->flow_ctrl & FLOW_CTRL_RX) | |
2401 | bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE, | |
2402 | EMAC_RX_MODE_FLOW_EN); | |
2403 | ||
2404 | bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE, | |
2405 | EMAC_TX_MODE_EXT_PAUSE_EN); | |
2406 | if (bp->flow_ctrl & FLOW_CTRL_TX) | |
2407 | bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE, | |
2408 | EMAC_TX_MODE_EXT_PAUSE_EN); | |
2409 | } | |
2410 | ||
c14423fe | 2411 | /* KEEP_VLAN_TAG, promiscuous */ |
a2fbb9ea ET |
2412 | val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE); |
2413 | val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS; | |
2414 | EMAC_WR(EMAC_REG_EMAC_RX_MODE, val); | |
2415 | ||
2416 | /* identify magic packets */ | |
2417 | val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE); | |
2418 | EMAC_WR(EMAC_REG_EMAC_MODE, (val | EMAC_MODE_MPKT)); | |
2419 | ||
2420 | /* enable emac for jumbo packets */ | |
2421 | EMAC_WR(EMAC_REG_EMAC_RX_MTU_SIZE, | |
2422 | (EMAC_RX_MTU_SIZE_JUMBO_ENA | | |
2423 | (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD))); /* -VLAN */ | |
2424 | ||
2425 | /* strip CRC */ | |
2426 | NIG_WR(NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1); | |
2427 | ||
2428 | val = ((bp->dev->dev_addr[0] << 8) | | |
2429 | bp->dev->dev_addr[1]); | |
2430 | EMAC_WR(EMAC_REG_EMAC_MAC_MATCH, val); | |
2431 | ||
2432 | val = ((bp->dev->dev_addr[2] << 24) | | |
2433 | (bp->dev->dev_addr[3] << 16) | | |
2434 | (bp->dev->dev_addr[4] << 8) | | |
2435 | bp->dev->dev_addr[5]); | |
2436 | EMAC_WR(EMAC_REG_EMAC_MAC_MATCH + 4, val); | |
2437 | ||
2438 | /* disable the NIG in/out to the bmac */ | |
2439 | NIG_WR(NIG_REG_BMAC0_IN_EN + port*4, 0x0); | |
2440 | NIG_WR(NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0); | |
2441 | NIG_WR(NIG_REG_BMAC0_OUT_EN + port*4, 0x0); | |
2442 | ||
2443 | /* enable the NIG in/out to the emac */ | |
2444 | NIG_WR(NIG_REG_EMAC0_IN_EN + port*4, 0x1); | |
2445 | val = 0; | |
2446 | if (bp->flow_ctrl & FLOW_CTRL_TX) | |
2447 | val = 1; | |
2448 | NIG_WR(NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val); | |
2449 | NIG_WR(NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1); | |
2450 | ||
2451 | if (CHIP_REV(bp) == CHIP_REV_FPGA) { | |
2452 | /* take the BigMac out of reset */ | |
2453 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, | |
2454 | (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); | |
2455 | ||
2456 | /* enable access for bmac registers */ | |
2457 | NIG_WR(NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1); | |
2458 | } | |
2459 | ||
2460 | bp->phy_flags |= PHY_EMAC_FLAG; | |
2461 | ||
2462 | bp->stats_state = STATS_STATE_ENABLE; | |
2463 | } | |
2464 | ||
2465 | static void bnx2x_emac_program(struct bnx2x *bp) | |
2466 | { | |
2467 | u16 mode = 0; | |
2468 | int port = bp->port; | |
2469 | ||
2470 | DP(NETIF_MSG_LINK, "setting link speed & duplex\n"); | |
2471 | bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE, | |
2472 | (EMAC_MODE_25G_MODE | | |
2473 | EMAC_MODE_PORT_MII_10M | | |
2474 | EMAC_MODE_HALF_DUPLEX)); | |
2475 | switch (bp->line_speed) { | |
2476 | case SPEED_10: | |
2477 | mode |= EMAC_MODE_PORT_MII_10M; | |
2478 | break; | |
2479 | ||
2480 | case SPEED_100: | |
2481 | mode |= EMAC_MODE_PORT_MII; | |
2482 | break; | |
2483 | ||
2484 | case SPEED_1000: | |
2485 | mode |= EMAC_MODE_PORT_GMII; | |
2486 | break; | |
2487 | ||
2488 | case SPEED_2500: | |
2489 | mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII); | |
2490 | break; | |
2491 | ||
2492 | default: | |
2493 | /* 10G not valid for EMAC */ | |
2494 | BNX2X_ERR("Invalid line_speed 0x%x\n", bp->line_speed); | |
2495 | break; | |
2496 | } | |
2497 | ||
2498 | if (bp->duplex == DUPLEX_HALF) | |
2499 | mode |= EMAC_MODE_HALF_DUPLEX; | |
2500 | bnx2x_bits_en(bp, GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE, | |
2501 | mode); | |
2502 | ||
2503 | bnx2x_leds_set(bp, bp->line_speed); | |
2504 | } | |
2505 | ||
2506 | static void bnx2x_set_sgmii_tx_driver(struct bnx2x *bp) | |
2507 | { | |
2508 | u32 lp_up2; | |
2509 | u32 tx_driver; | |
2510 | ||
2511 | /* read precomp */ | |
2512 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_OVER_1G); | |
2513 | bnx2x_mdio22_read(bp, MDIO_OVER_1G_LP_UP2, &lp_up2); | |
2514 | ||
2515 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_TX0); | |
2516 | bnx2x_mdio22_read(bp, MDIO_TX0_TX_DRIVER, &tx_driver); | |
2517 | ||
2518 | /* bits [10:7] at lp_up2, positioned at [15:12] */ | |
2519 | lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >> | |
2520 | MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) << | |
2521 | MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT); | |
2522 | ||
2523 | if ((lp_up2 != 0) && | |
2524 | (lp_up2 != (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK))) { | |
2525 | /* replace tx_driver bits [15:12] */ | |
2526 | tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK; | |
2527 | tx_driver |= lp_up2; | |
2528 | bnx2x_mdio22_write(bp, MDIO_TX0_TX_DRIVER, tx_driver); | |
2529 | } | |
2530 | } | |
2531 | ||
2532 | static void bnx2x_pbf_update(struct bnx2x *bp) | |
2533 | { | |
2534 | int port = bp->port; | |
2535 | u32 init_crd, crd; | |
2536 | u32 count = 1000; | |
2537 | u32 pause = 0; | |
2538 | ||
a2fbb9ea ET |
2539 | /* disable port */ |
2540 | REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1); | |
2541 | ||
2542 | /* wait for init credit */ | |
2543 | init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4); | |
2544 | crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8); | |
2545 | DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd); | |
2546 | ||
2547 | while ((init_crd != crd) && count) { | |
2548 | msleep(5); | |
2549 | ||
2550 | crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8); | |
2551 | count--; | |
2552 | } | |
2553 | crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8); | |
2554 | if (init_crd != crd) | |
2555 | BNX2X_ERR("BUG! init_crd 0x%x != crd 0x%x\n", init_crd, crd); | |
2556 | ||
2557 | if (bp->flow_ctrl & FLOW_CTRL_RX) | |
2558 | pause = 1; | |
2559 | REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, pause); | |
2560 | if (pause) { | |
2561 | /* update threshold */ | |
2562 | REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0); | |
2563 | /* update init credit */ | |
2564 | init_crd = 778; /* (800-18-4) */ | |
2565 | ||
2566 | } else { | |
2567 | u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)/16; | |
2568 | ||
2569 | /* update threshold */ | |
2570 | REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh); | |
2571 | /* update init credit */ | |
2572 | switch (bp->line_speed) { | |
2573 | case SPEED_10: | |
2574 | case SPEED_100: | |
2575 | case SPEED_1000: | |
2576 | init_crd = thresh + 55 - 22; | |
2577 | break; | |
2578 | ||
2579 | case SPEED_2500: | |
2580 | init_crd = thresh + 138 - 22; | |
2581 | break; | |
2582 | ||
2583 | case SPEED_10000: | |
2584 | init_crd = thresh + 553 - 22; | |
2585 | break; | |
2586 | ||
2587 | default: | |
2588 | BNX2X_ERR("Invalid line_speed 0x%x\n", | |
2589 | bp->line_speed); | |
2590 | break; | |
2591 | } | |
2592 | } | |
2593 | REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd); | |
2594 | DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n", | |
2595 | bp->line_speed, init_crd); | |
2596 | ||
2597 | /* probe the credit changes */ | |
2598 | REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1); | |
2599 | msleep(5); | |
2600 | REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0); | |
2601 | ||
2602 | /* enable port */ | |
2603 | REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0); | |
2604 | } | |
2605 | ||
2606 | static void bnx2x_update_mng(struct bnx2x *bp) | |
2607 | { | |
2608 | if (!nomcp) | |
f1410647 | 2609 | SHMEM_WR(bp, port_mb[bp->port].link_status, |
a2fbb9ea ET |
2610 | bp->link_status); |
2611 | } | |
2612 | ||
2613 | static void bnx2x_link_report(struct bnx2x *bp) | |
2614 | { | |
2615 | if (bp->link_up) { | |
2616 | netif_carrier_on(bp->dev); | |
2617 | printk(KERN_INFO PFX "%s NIC Link is Up, ", bp->dev->name); | |
2618 | ||
2619 | printk("%d Mbps ", bp->line_speed); | |
2620 | ||
2621 | if (bp->duplex == DUPLEX_FULL) | |
2622 | printk("full duplex"); | |
2623 | else | |
2624 | printk("half duplex"); | |
2625 | ||
2626 | if (bp->flow_ctrl) { | |
2627 | if (bp->flow_ctrl & FLOW_CTRL_RX) { | |
2628 | printk(", receive "); | |
2629 | if (bp->flow_ctrl & FLOW_CTRL_TX) | |
2630 | printk("& transmit "); | |
2631 | } else { | |
2632 | printk(", transmit "); | |
2633 | } | |
2634 | printk("flow control ON"); | |
2635 | } | |
2636 | printk("\n"); | |
2637 | ||
2638 | } else { /* link_down */ | |
2639 | netif_carrier_off(bp->dev); | |
2640 | printk(KERN_INFO PFX "%s NIC Link is Down\n", bp->dev->name); | |
2641 | } | |
2642 | } | |
2643 | ||
2644 | static void bnx2x_link_up(struct bnx2x *bp) | |
2645 | { | |
2646 | int port = bp->port; | |
2647 | ||
2648 | /* PBF - link up */ | |
2649 | bnx2x_pbf_update(bp); | |
2650 | ||
2651 | /* disable drain */ | |
2652 | NIG_WR(NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0); | |
2653 | ||
2654 | /* update shared memory */ | |
2655 | bnx2x_update_mng(bp); | |
2656 | ||
2657 | /* indicate link up */ | |
2658 | bnx2x_link_report(bp); | |
2659 | } | |
2660 | ||
2661 | static void bnx2x_link_down(struct bnx2x *bp) | |
2662 | { | |
2663 | int port = bp->port; | |
2664 | ||
2665 | /* notify stats */ | |
2666 | if (bp->stats_state != STATS_STATE_DISABLE) { | |
2667 | bp->stats_state = STATS_STATE_STOP; | |
2668 | DP(BNX2X_MSG_STATS, "stats_state - STOP\n"); | |
2669 | } | |
2670 | ||
f1410647 | 2671 | /* indicate no mac active */ |
a2fbb9ea ET |
2672 | bp->phy_flags &= ~(PHY_BMAC_FLAG | PHY_EMAC_FLAG); |
2673 | ||
f1410647 ET |
2674 | /* update shared memory */ |
2675 | bnx2x_update_mng(bp); | |
a2fbb9ea | 2676 | |
a2fbb9ea ET |
2677 | /* activate nig drain */ |
2678 | NIG_WR(NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1); | |
2679 | ||
f1410647 ET |
2680 | /* reset BigMac */ |
2681 | bnx2x_bmac_rx_disable(bp); | |
2682 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, | |
2683 | (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); | |
a2fbb9ea ET |
2684 | |
2685 | /* indicate link down */ | |
2686 | bnx2x_link_report(bp); | |
2687 | } | |
2688 | ||
2689 | static void bnx2x_init_mac_stats(struct bnx2x *bp); | |
2690 | ||
2691 | /* This function is called upon link interrupt */ | |
2692 | static void bnx2x_link_update(struct bnx2x *bp) | |
2693 | { | |
a2fbb9ea ET |
2694 | int port = bp->port; |
2695 | int i; | |
f1410647 | 2696 | u32 gp_status; |
a2fbb9ea ET |
2697 | int link_10g; |
2698 | ||
f1410647 | 2699 | DP(NETIF_MSG_LINK, "port %x, %s, int_status 0x%x," |
a2fbb9ea | 2700 | " int_mask 0x%x, saved_mask 0x%x, MI_INT %x, SERDES_LINK %x," |
f1410647 ET |
2701 | " 10G %x, XGXS_LINK %x\n", port, |
2702 | (bp->phy_flags & PHY_XGXS_FLAG)? "XGXS":"SerDes", | |
a2fbb9ea ET |
2703 | REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4), |
2704 | REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4), bp->nig_mask, | |
2705 | REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18), | |
2706 | REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c), | |
2707 | REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68), | |
2708 | REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68) | |
2709 | ); | |
2710 | ||
2711 | might_sleep(); | |
2712 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_GP_STATUS); | |
2713 | /* avoid fast toggling */ | |
f1410647 | 2714 | for (i = 0; i < 10; i++) { |
a2fbb9ea ET |
2715 | msleep(10); |
2716 | bnx2x_mdio22_read(bp, MDIO_GP_STATUS_TOP_AN_STATUS1, | |
2717 | &gp_status); | |
2718 | } | |
2719 | ||
2720 | bnx2x_link_settings_status(bp, gp_status); | |
2721 | ||
2722 | /* anything 10 and over uses the bmac */ | |
2723 | link_10g = ((bp->line_speed >= SPEED_10000) && | |
2724 | (bp->line_speed <= SPEED_16000)); | |
2725 | ||
2726 | bnx2x_link_int_ack(bp, link_10g); | |
2727 | ||
2728 | /* link is up only if both local phy and external phy are up */ | |
f1410647 ET |
2729 | bp->link_up = (bp->phy_link_up && bnx2x_ext_phy_is_link_up(bp)); |
2730 | if (bp->link_up) { | |
a2fbb9ea ET |
2731 | if (link_10g) { |
2732 | bnx2x_bmac_enable(bp, 0); | |
2733 | bnx2x_leds_set(bp, SPEED_10000); | |
2734 | ||
2735 | } else { | |
2736 | bnx2x_emac_enable(bp); | |
2737 | bnx2x_emac_program(bp); | |
2738 | ||
2739 | /* AN complete? */ | |
2740 | if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE) { | |
2741 | if (!(bp->phy_flags & PHY_SGMII_FLAG)) | |
2742 | bnx2x_set_sgmii_tx_driver(bp); | |
2743 | } | |
2744 | } | |
2745 | bnx2x_link_up(bp); | |
2746 | ||
2747 | } else { /* link down */ | |
2748 | bnx2x_leds_unset(bp); | |
2749 | bnx2x_link_down(bp); | |
2750 | } | |
2751 | ||
2752 | bnx2x_init_mac_stats(bp); | |
2753 | } | |
2754 | ||
2755 | /* | |
2756 | * Init service functions | |
2757 | */ | |
2758 | ||
2759 | static void bnx2x_set_aer_mmd(struct bnx2x *bp) | |
2760 | { | |
2761 | u16 offset = (bp->phy_flags & PHY_XGXS_FLAG) ? | |
2762 | (bp->phy_addr + bp->ser_lane) : 0; | |
2763 | ||
2764 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_AER_BLOCK); | |
2765 | bnx2x_mdio22_write(bp, MDIO_AER_BLOCK_AER_REG, 0x3800 + offset); | |
2766 | } | |
2767 | ||
2768 | static void bnx2x_set_master_ln(struct bnx2x *bp) | |
2769 | { | |
2770 | u32 new_master_ln; | |
2771 | ||
2772 | /* set the master_ln for AN */ | |
2773 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_XGXS_BLOCK2); | |
2774 | bnx2x_mdio22_read(bp, MDIO_XGXS_BLOCK2_TEST_MODE_LANE, | |
2775 | &new_master_ln); | |
2776 | bnx2x_mdio22_write(bp, MDIO_XGXS_BLOCK2_TEST_MODE_LANE, | |
2777 | (new_master_ln | bp->ser_lane)); | |
2778 | } | |
2779 | ||
2780 | static void bnx2x_reset_unicore(struct bnx2x *bp) | |
2781 | { | |
2782 | u32 mii_control; | |
2783 | int i; | |
2784 | ||
2785 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_COMBO_IEEE0); | |
2786 | bnx2x_mdio22_read(bp, MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control); | |
2787 | /* reset the unicore */ | |
2788 | bnx2x_mdio22_write(bp, MDIO_COMBO_IEEE0_MII_CONTROL, | |
2789 | (mii_control | MDIO_COMBO_IEEO_MII_CONTROL_RESET)); | |
2790 | ||
2791 | /* wait for the reset to self clear */ | |
2792 | for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) { | |
2793 | udelay(5); | |
2794 | ||
2795 | /* the reset erased the previous bank value */ | |
2796 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_COMBO_IEEE0); | |
2797 | bnx2x_mdio22_read(bp, MDIO_COMBO_IEEE0_MII_CONTROL, | |
2798 | &mii_control); | |
2799 | ||
2800 | if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) { | |
2801 | udelay(5); | |
2802 | return; | |
2803 | } | |
2804 | } | |
2805 | ||
f1410647 ET |
2806 | BNX2X_ERR("BUG! %s (0x%x) is still in reset!\n", |
2807 | (bp->phy_flags & PHY_XGXS_FLAG)? "XGXS":"SerDes", | |
2808 | bp->phy_addr); | |
a2fbb9ea ET |
2809 | } |
2810 | ||
2811 | static void bnx2x_set_swap_lanes(struct bnx2x *bp) | |
2812 | { | |
2813 | /* Each two bits represents a lane number: | |
2814 | No swap is 0123 => 0x1b no need to enable the swap */ | |
2815 | ||
2816 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_XGXS_BLOCK2); | |
2817 | if (bp->rx_lane_swap != 0x1b) { | |
2818 | bnx2x_mdio22_write(bp, MDIO_XGXS_BLOCK2_RX_LN_SWAP, | |
2819 | (bp->rx_lane_swap | | |
2820 | MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE | | |
2821 | MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE)); | |
2822 | } else { | |
2823 | bnx2x_mdio22_write(bp, MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0); | |
2824 | } | |
2825 | ||
2826 | if (bp->tx_lane_swap != 0x1b) { | |
2827 | bnx2x_mdio22_write(bp, MDIO_XGXS_BLOCK2_TX_LN_SWAP, | |
2828 | (bp->tx_lane_swap | | |
2829 | MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE)); | |
2830 | } else { | |
2831 | bnx2x_mdio22_write(bp, MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0); | |
2832 | } | |
2833 | } | |
2834 | ||
2835 | static void bnx2x_set_parallel_detection(struct bnx2x *bp) | |
2836 | { | |
2837 | u32 control2; | |
2838 | ||
2839 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_SERDES_DIGITAL); | |
2840 | bnx2x_mdio22_read(bp, MDIO_SERDES_DIGITAL_A_1000X_CONTROL2, | |
2841 | &control2); | |
2842 | ||
2843 | if (bp->autoneg & AUTONEG_PARALLEL) { | |
2844 | control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN; | |
2845 | } else { | |
2846 | control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN; | |
2847 | } | |
2848 | bnx2x_mdio22_write(bp, MDIO_SERDES_DIGITAL_A_1000X_CONTROL2, | |
2849 | control2); | |
2850 | ||
2851 | if (bp->phy_flags & PHY_XGXS_FLAG) { | |
2852 | DP(NETIF_MSG_LINK, "XGXS\n"); | |
2853 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_10G_PARALLEL_DETECT); | |
2854 | ||
2855 | bnx2x_mdio22_write(bp, | |
f1410647 | 2856 | MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK, |
a2fbb9ea ET |
2857 | MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT); |
2858 | ||
2859 | bnx2x_mdio22_read(bp, | |
f1410647 ET |
2860 | MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL, |
2861 | &control2); | |
a2fbb9ea ET |
2862 | |
2863 | if (bp->autoneg & AUTONEG_PARALLEL) { | |
2864 | control2 |= | |
2865 | MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN; | |
2866 | } else { | |
2867 | control2 &= | |
2868 | ~MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN; | |
2869 | } | |
2870 | bnx2x_mdio22_write(bp, | |
f1410647 ET |
2871 | MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL, |
2872 | control2); | |
2873 | ||
2874 | /* Disable parallel detection of HiG */ | |
2875 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_XGXS_BLOCK2); | |
2876 | bnx2x_mdio22_write(bp, MDIO_XGXS_BLOCK2_UNICORE_MODE_10G, | |
2877 | MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS | | |
2878 | MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS); | |
a2fbb9ea ET |
2879 | } |
2880 | } | |
2881 | ||
2882 | static void bnx2x_set_autoneg(struct bnx2x *bp) | |
2883 | { | |
2884 | u32 reg_val; | |
2885 | ||
2886 | /* CL37 Autoneg */ | |
2887 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_COMBO_IEEE0); | |
2888 | bnx2x_mdio22_read(bp, MDIO_COMBO_IEEE0_MII_CONTROL, ®_val); | |
2889 | if ((bp->req_autoneg & AUTONEG_SPEED) && | |
2890 | (bp->autoneg & AUTONEG_CL37)) { | |
2891 | /* CL37 Autoneg Enabled */ | |
2892 | reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN; | |
2893 | } else { | |
2894 | /* CL37 Autoneg Disabled */ | |
2895 | reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN | | |
2896 | MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN); | |
2897 | } | |
2898 | bnx2x_mdio22_write(bp, MDIO_COMBO_IEEE0_MII_CONTROL, reg_val); | |
2899 | ||
2900 | /* Enable/Disable Autodetection */ | |
2901 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_SERDES_DIGITAL); | |
2902 | bnx2x_mdio22_read(bp, MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, ®_val); | |
2903 | reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN; | |
2904 | ||
2905 | if ((bp->req_autoneg & AUTONEG_SPEED) && | |
2906 | (bp->autoneg & AUTONEG_SGMII_FIBER_AUTODET)) { | |
2907 | reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET; | |
2908 | } else { | |
2909 | reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET; | |
2910 | } | |
2911 | bnx2x_mdio22_write(bp, MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val); | |
2912 | ||
2913 | /* Enable TetonII and BAM autoneg */ | |
2914 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_BAM_NEXT_PAGE); | |
2915 | bnx2x_mdio22_read(bp, MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL, | |
2916 | ®_val); | |
2917 | if ((bp->req_autoneg & AUTONEG_SPEED) && | |
2918 | (bp->autoneg & AUTONEG_CL37) && (bp->autoneg & AUTONEG_BAM)) { | |
2919 | /* Enable BAM aneg Mode and TetonII aneg Mode */ | |
2920 | reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE | | |
2921 | MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN); | |
2922 | } else { | |
2923 | /* TetonII and BAM Autoneg Disabled */ | |
2924 | reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE | | |
2925 | MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN); | |
2926 | } | |
2927 | bnx2x_mdio22_write(bp, MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL, | |
2928 | reg_val); | |
2929 | ||
2930 | /* Enable Clause 73 Aneg */ | |
2931 | if ((bp->req_autoneg & AUTONEG_SPEED) && | |
2932 | (bp->autoneg & AUTONEG_CL73)) { | |
2933 | /* Enable BAM Station Manager */ | |
2934 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_CL73_USERB0); | |
2935 | bnx2x_mdio22_write(bp, MDIO_CL73_USERB0_CL73_BAM_CTRL1, | |
2936 | (MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN | | |
2937 | MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN | | |
2938 | MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN)); | |
2939 | ||
2940 | /* Merge CL73 and CL37 aneg resolution */ | |
2941 | bnx2x_mdio22_read(bp, MDIO_CL73_USERB0_CL73_BAM_CTRL3, | |
2942 | ®_val); | |
2943 | bnx2x_mdio22_write(bp, MDIO_CL73_USERB0_CL73_BAM_CTRL3, | |
2944 | (reg_val | | |
2945 | MDIO_CL73_USERB0_CL73_BAM_CTRL3_USE_CL73_HCD_MR)); | |
2946 | ||
2947 | /* Set the CL73 AN speed */ | |
2948 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_CL73_IEEEB1); | |
2949 | bnx2x_mdio22_read(bp, MDIO_CL73_IEEEB1_AN_ADV2, ®_val); | |
2950 | /* In the SerDes we support only the 1G. | |
2951 | In the XGXS we support the 10G KX4 | |
2952 | but we currently do not support the KR */ | |
2953 | if (bp->phy_flags & PHY_XGXS_FLAG) { | |
2954 | DP(NETIF_MSG_LINK, "XGXS\n"); | |
2955 | /* 10G KX4 */ | |
2956 | reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4; | |
2957 | } else { | |
2958 | DP(NETIF_MSG_LINK, "SerDes\n"); | |
2959 | /* 1000M KX */ | |
2960 | reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX; | |
2961 | } | |
2962 | bnx2x_mdio22_write(bp, MDIO_CL73_IEEEB1_AN_ADV2, reg_val); | |
2963 | ||
2964 | /* CL73 Autoneg Enabled */ | |
2965 | reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN; | |
2966 | } else { | |
2967 | /* CL73 Autoneg Disabled */ | |
2968 | reg_val = 0; | |
2969 | } | |
2970 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_CL73_IEEEB0); | |
2971 | bnx2x_mdio22_write(bp, MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val); | |
2972 | } | |
2973 | ||
2974 | /* program SerDes, forced speed */ | |
2975 | static void bnx2x_program_serdes(struct bnx2x *bp) | |
2976 | { | |
2977 | u32 reg_val; | |
2978 | ||
2979 | /* program duplex, disable autoneg */ | |
2980 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_COMBO_IEEE0); | |
2981 | bnx2x_mdio22_read(bp, MDIO_COMBO_IEEE0_MII_CONTROL, ®_val); | |
2982 | reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX | | |
2983 | MDIO_COMBO_IEEO_MII_CONTROL_AN_EN); | |
2984 | if (bp->req_duplex == DUPLEX_FULL) | |
2985 | reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX; | |
2986 | bnx2x_mdio22_write(bp, MDIO_COMBO_IEEE0_MII_CONTROL, reg_val); | |
2987 | ||
2988 | /* program speed | |
2989 | - needed only if the speed is greater than 1G (2.5G or 10G) */ | |
2990 | if (bp->req_line_speed > SPEED_1000) { | |
2991 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_SERDES_DIGITAL); | |
2992 | bnx2x_mdio22_read(bp, MDIO_SERDES_DIGITAL_MISC1, ®_val); | |
2993 | /* clearing the speed value before setting the right speed */ | |
2994 | reg_val &= ~MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK; | |
2995 | reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M | | |
2996 | MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL); | |
2997 | if (bp->req_line_speed == SPEED_10000) | |
2998 | reg_val |= | |
2999 | MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4; | |
3000 | bnx2x_mdio22_write(bp, MDIO_SERDES_DIGITAL_MISC1, reg_val); | |
3001 | } | |
3002 | } | |
3003 | ||
3004 | static void bnx2x_set_brcm_cl37_advertisment(struct bnx2x *bp) | |
3005 | { | |
3006 | u32 val = 0; | |
3007 | ||
3008 | /* configure the 48 bits for BAM AN */ | |
3009 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_OVER_1G); | |
3010 | ||
3011 | /* set extended capabilities */ | |
f1410647 | 3012 | if (bp->advertising & ADVERTISED_2500baseX_Full) |
a2fbb9ea ET |
3013 | val |= MDIO_OVER_1G_UP1_2_5G; |
3014 | if (bp->advertising & ADVERTISED_10000baseT_Full) | |
3015 | val |= MDIO_OVER_1G_UP1_10G; | |
3016 | bnx2x_mdio22_write(bp, MDIO_OVER_1G_UP1, val); | |
3017 | ||
3018 | bnx2x_mdio22_write(bp, MDIO_OVER_1G_UP3, 0); | |
3019 | } | |
3020 | ||
3021 | static void bnx2x_set_ieee_aneg_advertisment(struct bnx2x *bp) | |
3022 | { | |
3023 | u32 an_adv; | |
3024 | ||
3025 | /* for AN, we are always publishing full duplex */ | |
3026 | an_adv = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX; | |
3027 | ||
f1410647 ET |
3028 | /* resolve pause mode and advertisement |
3029 | * Please refer to Table 28B-3 of the 802.3ab-1999 spec */ | |
3030 | if (bp->req_autoneg & AUTONEG_FLOW_CTRL) { | |
3031 | switch (bp->req_flow_ctrl) { | |
3032 | case FLOW_CTRL_AUTO: | |
3033 | if (bp->dev->mtu <= 4500) { | |
3034 | an_adv |= | |
3035 | MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH; | |
3036 | bp->advertising |= (ADVERTISED_Pause | | |
3037 | ADVERTISED_Asym_Pause); | |
3038 | } else { | |
3039 | an_adv |= | |
3040 | MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC; | |
3041 | bp->advertising |= ADVERTISED_Asym_Pause; | |
3042 | } | |
3043 | break; | |
3044 | ||
3045 | case FLOW_CTRL_TX: | |
3046 | an_adv |= | |
3047 | MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC; | |
3048 | bp->advertising |= ADVERTISED_Asym_Pause; | |
3049 | break; | |
3050 | ||
3051 | case FLOW_CTRL_RX: | |
3052 | if (bp->dev->mtu <= 4500) { | |
3053 | an_adv |= | |
3054 | MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH; | |
3055 | bp->advertising |= (ADVERTISED_Pause | | |
3056 | ADVERTISED_Asym_Pause); | |
3057 | } else { | |
3058 | an_adv |= | |
3059 | MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE; | |
3060 | bp->advertising &= ~(ADVERTISED_Pause | | |
3061 | ADVERTISED_Asym_Pause); | |
3062 | } | |
3063 | break; | |
3064 | ||
3065 | case FLOW_CTRL_BOTH: | |
3066 | if (bp->dev->mtu <= 4500) { | |
3067 | an_adv |= | |
3068 | MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH; | |
3069 | bp->advertising |= (ADVERTISED_Pause | | |
3070 | ADVERTISED_Asym_Pause); | |
3071 | } else { | |
3072 | an_adv |= | |
3073 | MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC; | |
3074 | bp->advertising |= ADVERTISED_Asym_Pause; | |
3075 | } | |
3076 | break; | |
3077 | ||
3078 | case FLOW_CTRL_NONE: | |
3079 | default: | |
3080 | an_adv |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE; | |
3081 | bp->advertising &= ~(ADVERTISED_Pause | | |
3082 | ADVERTISED_Asym_Pause); | |
3083 | break; | |
3084 | } | |
3085 | } else { /* forced mode */ | |
3086 | switch (bp->req_flow_ctrl) { | |
3087 | case FLOW_CTRL_AUTO: | |
3088 | DP(NETIF_MSG_LINK, "req_flow_ctrl 0x%x while" | |
3089 | " req_autoneg 0x%x\n", | |
3090 | bp->req_flow_ctrl, bp->req_autoneg); | |
3091 | break; | |
3092 | ||
3093 | case FLOW_CTRL_TX: | |
3094 | an_adv |= | |
3095 | MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC; | |
3096 | bp->advertising |= ADVERTISED_Asym_Pause; | |
3097 | break; | |
3098 | ||
3099 | case FLOW_CTRL_RX: | |
3100 | case FLOW_CTRL_BOTH: | |
3101 | an_adv |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH; | |
3102 | bp->advertising |= (ADVERTISED_Pause | | |
3103 | ADVERTISED_Asym_Pause); | |
3104 | break; | |
3105 | ||
3106 | case FLOW_CTRL_NONE: | |
3107 | default: | |
3108 | an_adv |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE; | |
3109 | bp->advertising &= ~(ADVERTISED_Pause | | |
3110 | ADVERTISED_Asym_Pause); | |
3111 | break; | |
3112 | } | |
a2fbb9ea ET |
3113 | } |
3114 | ||
3115 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_COMBO_IEEE0); | |
3116 | bnx2x_mdio22_write(bp, MDIO_COMBO_IEEE0_AUTO_NEG_ADV, an_adv); | |
3117 | } | |
3118 | ||
3119 | static void bnx2x_restart_autoneg(struct bnx2x *bp) | |
3120 | { | |
3121 | if (bp->autoneg & AUTONEG_CL73) { | |
3122 | /* enable and restart clause 73 aneg */ | |
3123 | u32 an_ctrl; | |
3124 | ||
3125 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_CL73_IEEEB0); | |
3126 | bnx2x_mdio22_read(bp, MDIO_CL73_IEEEB0_CL73_AN_CONTROL, | |
3127 | &an_ctrl); | |
3128 | bnx2x_mdio22_write(bp, MDIO_CL73_IEEEB0_CL73_AN_CONTROL, | |
3129 | (an_ctrl | | |
3130 | MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN | | |
3131 | MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN)); | |
3132 | ||
3133 | } else { | |
3134 | /* Enable and restart BAM/CL37 aneg */ | |
3135 | u32 mii_control; | |
3136 | ||
3137 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_COMBO_IEEE0); | |
3138 | bnx2x_mdio22_read(bp, MDIO_COMBO_IEEE0_MII_CONTROL, | |
3139 | &mii_control); | |
3140 | bnx2x_mdio22_write(bp, MDIO_COMBO_IEEE0_MII_CONTROL, | |
3141 | (mii_control | | |
3142 | MDIO_COMBO_IEEO_MII_CONTROL_AN_EN | | |
3143 | MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN)); | |
3144 | } | |
3145 | } | |
3146 | ||
3147 | static void bnx2x_initialize_sgmii_process(struct bnx2x *bp) | |
3148 | { | |
3149 | u32 control1; | |
3150 | ||
3151 | /* in SGMII mode, the unicore is always slave */ | |
3152 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_SERDES_DIGITAL); | |
3153 | bnx2x_mdio22_read(bp, MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, | |
3154 | &control1); | |
3155 | control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT; | |
3156 | /* set sgmii mode (and not fiber) */ | |
3157 | control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE | | |
3158 | MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET | | |
3159 | MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE); | |
3160 | bnx2x_mdio22_write(bp, MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, | |
3161 | control1); | |
3162 | ||
3163 | /* if forced speed */ | |
3164 | if (!(bp->req_autoneg & AUTONEG_SPEED)) { | |
3165 | /* set speed, disable autoneg */ | |
3166 | u32 mii_control; | |
3167 | ||
3168 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_COMBO_IEEE0); | |
3169 | bnx2x_mdio22_read(bp, MDIO_COMBO_IEEE0_MII_CONTROL, | |
3170 | &mii_control); | |
3171 | mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN | | |
3172 | MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK | | |
3173 | MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX); | |
3174 | ||
3175 | switch (bp->req_line_speed) { | |
3176 | case SPEED_100: | |
3177 | mii_control |= | |
3178 | MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100; | |
3179 | break; | |
3180 | case SPEED_1000: | |
3181 | mii_control |= | |
3182 | MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000; | |
3183 | break; | |
3184 | case SPEED_10: | |
3185 | /* there is nothing to set for 10M */ | |
3186 | break; | |
3187 | default: | |
3188 | /* invalid speed for SGMII */ | |
3189 | DP(NETIF_MSG_LINK, "Invalid req_line_speed 0x%x\n", | |
3190 | bp->req_line_speed); | |
3191 | break; | |
3192 | } | |
3193 | ||
3194 | /* setting the full duplex */ | |
3195 | if (bp->req_duplex == DUPLEX_FULL) | |
3196 | mii_control |= | |
3197 | MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX; | |
3198 | bnx2x_mdio22_write(bp, MDIO_COMBO_IEEE0_MII_CONTROL, | |
3199 | mii_control); | |
3200 | ||
3201 | } else { /* AN mode */ | |
3202 | /* enable and restart AN */ | |
3203 | bnx2x_restart_autoneg(bp); | |
3204 | } | |
3205 | } | |
3206 | ||
3207 | static void bnx2x_link_int_enable(struct bnx2x *bp) | |
3208 | { | |
3209 | int port = bp->port; | |
f1410647 ET |
3210 | u32 ext_phy_type; |
3211 | u32 mask; | |
a2fbb9ea ET |
3212 | |
3213 | /* setting the status to report on link up | |
3214 | for either XGXS or SerDes */ | |
3215 | bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4, | |
f1410647 ET |
3216 | (NIG_STATUS_XGXS0_LINK10G | |
3217 | NIG_STATUS_XGXS0_LINK_STATUS | | |
3218 | NIG_STATUS_SERDES0_LINK_STATUS)); | |
a2fbb9ea ET |
3219 | |
3220 | if (bp->phy_flags & PHY_XGXS_FLAG) { | |
f1410647 ET |
3221 | mask = (NIG_MASK_XGXS0_LINK10G | |
3222 | NIG_MASK_XGXS0_LINK_STATUS); | |
3223 | DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n"); | |
3224 | ext_phy_type = XGXS_EXT_PHY_TYPE(bp); | |
3225 | if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) && | |
3226 | (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) && | |
3227 | (ext_phy_type != | |
3228 | PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)) { | |
3229 | mask |= NIG_MASK_MI_INT; | |
3230 | DP(NETIF_MSG_LINK, "enabled external phy int\n"); | |
3231 | } | |
a2fbb9ea ET |
3232 | |
3233 | } else { /* SerDes */ | |
f1410647 ET |
3234 | mask = NIG_MASK_SERDES0_LINK_STATUS; |
3235 | DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n"); | |
3236 | ext_phy_type = SERDES_EXT_PHY_TYPE(bp); | |
3237 | if ((ext_phy_type != | |
3238 | PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT) && | |
3239 | (ext_phy_type != | |
3240 | PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN)) { | |
3241 | mask |= NIG_MASK_MI_INT; | |
3242 | DP(NETIF_MSG_LINK, "enabled external phy int\n"); | |
3243 | } | |
a2fbb9ea | 3244 | } |
f1410647 ET |
3245 | bnx2x_bits_en(bp, |
3246 | NIG_REG_MASK_INTERRUPT_PORT0 + port*4, | |
3247 | mask); | |
3248 | DP(NETIF_MSG_LINK, "port %x, %s, int_status 0x%x," | |
3249 | " int_mask 0x%x, MI_INT %x, SERDES_LINK %x," | |
3250 | " 10G %x, XGXS_LINK %x\n", port, | |
3251 | (bp->phy_flags & PHY_XGXS_FLAG)? "XGXS":"SerDes", | |
3252 | REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4), | |
3253 | REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4), | |
3254 | REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18), | |
3255 | REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c), | |
3256 | REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68), | |
3257 | REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68) | |
3258 | ); | |
3259 | } | |
3260 | ||
3261 | static void bnx2x_bcm8072_external_rom_boot(struct bnx2x *bp) | |
3262 | { | |
3263 | u32 ext_phy_addr = ((bp->ext_phy_config & | |
3264 | PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >> | |
3265 | PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT); | |
3266 | u32 fw_ver1, fw_ver2; | |
3267 | ||
3268 | /* Need to wait 200ms after reset */ | |
3269 | msleep(200); | |
3270 | /* Boot port from external ROM | |
3271 | * Set ser_boot_ctl bit in the MISC_CTRL1 register | |
3272 | */ | |
3273 | bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, ext_phy_addr, | |
3274 | EXT_PHY_KR_PMA_PMD_DEVAD, | |
3275 | EXT_PHY_KR_MISC_CTRL1, 0x0001); | |
3276 | ||
3277 | /* Reset internal microprocessor */ | |
3278 | bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, ext_phy_addr, | |
3279 | EXT_PHY_KR_PMA_PMD_DEVAD, EXT_PHY_KR_GEN_CTRL, | |
3280 | EXT_PHY_KR_ROM_RESET_INTERNAL_MP); | |
3281 | /* set micro reset = 0 */ | |
3282 | bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, ext_phy_addr, | |
3283 | EXT_PHY_KR_PMA_PMD_DEVAD, EXT_PHY_KR_GEN_CTRL, | |
3284 | EXT_PHY_KR_ROM_MICRO_RESET); | |
3285 | /* Reset internal microprocessor */ | |
3286 | bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, ext_phy_addr, | |
3287 | EXT_PHY_KR_PMA_PMD_DEVAD, EXT_PHY_KR_GEN_CTRL, | |
3288 | EXT_PHY_KR_ROM_RESET_INTERNAL_MP); | |
3289 | /* wait for 100ms for code download via SPI port */ | |
3290 | msleep(100); | |
3291 | ||
3292 | /* Clear ser_boot_ctl bit */ | |
3293 | bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, ext_phy_addr, | |
3294 | EXT_PHY_KR_PMA_PMD_DEVAD, | |
3295 | EXT_PHY_KR_MISC_CTRL1, 0x0000); | |
3296 | /* Wait 100ms */ | |
3297 | msleep(100); | |
3298 | ||
3299 | /* Print the PHY FW version */ | |
3300 | bnx2x_mdio45_ctrl_read(bp, GRCBASE_EMAC0, ext_phy_addr, | |
3301 | EXT_PHY_KR_PMA_PMD_DEVAD, | |
3302 | 0xca19, &fw_ver1); | |
3303 | bnx2x_mdio45_ctrl_read(bp, GRCBASE_EMAC0, ext_phy_addr, | |
3304 | EXT_PHY_KR_PMA_PMD_DEVAD, | |
3305 | 0xca1a, &fw_ver2); | |
3306 | DP(NETIF_MSG_LINK, | |
3307 | "8072 FW version 0x%x:0x%x\n", fw_ver1, fw_ver2); | |
3308 | } | |
3309 | ||
3310 | static void bnx2x_bcm8072_force_10G(struct bnx2x *bp) | |
3311 | { | |
3312 | u32 ext_phy_addr = ((bp->ext_phy_config & | |
3313 | PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >> | |
3314 | PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT); | |
3315 | ||
3316 | /* Force KR or KX */ | |
3317 | bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, ext_phy_addr, | |
3318 | EXT_PHY_KR_PMA_PMD_DEVAD, EXT_PHY_KR_CTRL, | |
3319 | 0x2040); | |
3320 | bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, ext_phy_addr, | |
3321 | EXT_PHY_KR_PMA_PMD_DEVAD, EXT_PHY_KR_CTRL2, | |
3322 | 0x000b); | |
3323 | bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, ext_phy_addr, | |
3324 | EXT_PHY_KR_PMA_PMD_DEVAD, EXT_PHY_KR_PMD_CTRL, | |
3325 | 0x0000); | |
3326 | bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, ext_phy_addr, | |
3327 | EXT_PHY_KR_AUTO_NEG_DEVAD, EXT_PHY_KR_CTRL, | |
3328 | 0x0000); | |
a2fbb9ea ET |
3329 | } |
3330 | ||
3331 | static void bnx2x_ext_phy_init(struct bnx2x *bp) | |
3332 | { | |
a2fbb9ea ET |
3333 | u32 ext_phy_type; |
3334 | u32 ext_phy_addr; | |
f1410647 ET |
3335 | u32 cnt; |
3336 | u32 ctrl; | |
3337 | u32 val = 0; | |
a2fbb9ea ET |
3338 | |
3339 | if (bp->phy_flags & PHY_XGXS_FLAG) { | |
a2fbb9ea ET |
3340 | ext_phy_addr = ((bp->ext_phy_config & |
3341 | PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >> | |
3342 | PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT); | |
3343 | ||
3344 | ext_phy_type = XGXS_EXT_PHY_TYPE(bp); | |
f1410647 ET |
3345 | /* Make sure that the soft reset is off (expect for the 8072: |
3346 | * due to the lock, it will be done inside the specific | |
3347 | * handling) | |
3348 | */ | |
3349 | if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) && | |
3350 | (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) && | |
3351 | (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN) && | |
3352 | (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072)) { | |
3353 | /* Wait for soft reset to get cleared upto 1 sec */ | |
3354 | for (cnt = 0; cnt < 1000; cnt++) { | |
3355 | bnx2x_mdio45_read(bp, ext_phy_addr, | |
3356 | EXT_PHY_OPT_PMA_PMD_DEVAD, | |
3357 | EXT_PHY_OPT_CNTL, &ctrl); | |
3358 | if (!(ctrl & (1<<15))) | |
3359 | break; | |
3360 | msleep(1); | |
3361 | } | |
3362 | DP(NETIF_MSG_LINK, | |
3363 | "control reg 0x%x (after %d ms)\n", ctrl, cnt); | |
3364 | } | |
3365 | ||
a2fbb9ea ET |
3366 | switch (ext_phy_type) { |
3367 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT: | |
3368 | DP(NETIF_MSG_LINK, "XGXS Direct\n"); | |
3369 | break; | |
3370 | ||
3371 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705: | |
3372 | DP(NETIF_MSG_LINK, "XGXS 8705\n"); | |
a2fbb9ea | 3373 | |
f1410647 ET |
3374 | bnx2x_mdio45_vwrite(bp, ext_phy_addr, |
3375 | EXT_PHY_OPT_PMA_PMD_DEVAD, | |
a2fbb9ea ET |
3376 | EXT_PHY_OPT_PMD_MISC_CNTL, |
3377 | 0x8288); | |
f1410647 ET |
3378 | bnx2x_mdio45_vwrite(bp, ext_phy_addr, |
3379 | EXT_PHY_OPT_PMA_PMD_DEVAD, | |
a2fbb9ea ET |
3380 | EXT_PHY_OPT_PHY_IDENTIFIER, |
3381 | 0x7fbf); | |
f1410647 ET |
3382 | bnx2x_mdio45_vwrite(bp, ext_phy_addr, |
3383 | EXT_PHY_OPT_PMA_PMD_DEVAD, | |
a2fbb9ea ET |
3384 | EXT_PHY_OPT_CMU_PLL_BYPASS, |
3385 | 0x0100); | |
f1410647 ET |
3386 | bnx2x_mdio45_vwrite(bp, ext_phy_addr, |
3387 | EXT_PHY_OPT_WIS_DEVAD, | |
a2fbb9ea ET |
3388 | EXT_PHY_OPT_LASI_CNTL, 0x1); |
3389 | break; | |
3390 | ||
3391 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706: | |
3392 | DP(NETIF_MSG_LINK, "XGXS 8706\n"); | |
a2fbb9ea | 3393 | |
f1410647 ET |
3394 | if (!(bp->req_autoneg & AUTONEG_SPEED)) { |
3395 | /* Force speed */ | |
3396 | if (bp->req_line_speed == SPEED_10000) { | |
3397 | DP(NETIF_MSG_LINK, | |
3398 | "XGXS 8706 force 10Gbps\n"); | |
3399 | bnx2x_mdio45_vwrite(bp, ext_phy_addr, | |
3400 | EXT_PHY_OPT_PMA_PMD_DEVAD, | |
3401 | EXT_PHY_OPT_PMD_DIGITAL_CNT, | |
3402 | 0x400); | |
3403 | } else { | |
3404 | /* Force 1Gbps */ | |
3405 | DP(NETIF_MSG_LINK, | |
3406 | "XGXS 8706 force 1Gbps\n"); | |
3407 | ||
3408 | bnx2x_mdio45_vwrite(bp, ext_phy_addr, | |
3409 | EXT_PHY_OPT_PMA_PMD_DEVAD, | |
3410 | EXT_PHY_OPT_CNTL, | |
3411 | 0x0040); | |
3412 | ||
3413 | bnx2x_mdio45_vwrite(bp, ext_phy_addr, | |
3414 | EXT_PHY_OPT_PMA_PMD_DEVAD, | |
3415 | EXT_PHY_OPT_CNTL2, | |
3416 | 0x000D); | |
3417 | } | |
3418 | ||
3419 | /* Enable LASI */ | |
3420 | bnx2x_mdio45_vwrite(bp, ext_phy_addr, | |
3421 | EXT_PHY_OPT_PMA_PMD_DEVAD, | |
3422 | EXT_PHY_OPT_LASI_CNTL, | |
3423 | 0x1); | |
3424 | } else { | |
3425 | /* AUTONEG */ | |
3426 | /* Allow CL37 through CL73 */ | |
3427 | DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n"); | |
3428 | bnx2x_mdio45_vwrite(bp, ext_phy_addr, | |
3429 | EXT_PHY_AUTO_NEG_DEVAD, | |
3430 | EXT_PHY_OPT_AN_CL37_CL73, | |
3431 | 0x040c); | |
3432 | ||
3433 | /* Enable Full-Duplex advertisment on CL37 */ | |
3434 | bnx2x_mdio45_vwrite(bp, ext_phy_addr, | |
3435 | EXT_PHY_AUTO_NEG_DEVAD, | |
3436 | EXT_PHY_OPT_AN_CL37_FD, | |
3437 | 0x0020); | |
3438 | /* Enable CL37 AN */ | |
3439 | bnx2x_mdio45_vwrite(bp, ext_phy_addr, | |
3440 | EXT_PHY_AUTO_NEG_DEVAD, | |
3441 | EXT_PHY_OPT_AN_CL37_AN, | |
3442 | 0x1000); | |
3443 | /* Advertise 10G/1G support */ | |
3444 | if (bp->advertising & | |
3445 | ADVERTISED_1000baseT_Full) | |
3446 | val = (1<<5); | |
3447 | if (bp->advertising & | |
3448 | ADVERTISED_10000baseT_Full) | |
3449 | val |= (1<<7); | |
3450 | ||
3451 | bnx2x_mdio45_vwrite(bp, ext_phy_addr, | |
3452 | EXT_PHY_AUTO_NEG_DEVAD, | |
3453 | EXT_PHY_OPT_AN_ADV, val); | |
3454 | /* Enable LASI */ | |
3455 | bnx2x_mdio45_vwrite(bp, ext_phy_addr, | |
3456 | EXT_PHY_OPT_PMA_PMD_DEVAD, | |
3457 | EXT_PHY_OPT_LASI_CNTL, | |
3458 | 0x1); | |
3459 | ||
3460 | /* Enable clause 73 AN */ | |
3461 | bnx2x_mdio45_write(bp, ext_phy_addr, | |
3462 | EXT_PHY_AUTO_NEG_DEVAD, | |
3463 | EXT_PHY_OPT_CNTL, | |
3464 | 0x1200); | |
3465 | } | |
3466 | break; | |
3467 | ||
3468 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072: | |
3469 | bnx2x_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO); | |
3470 | /* Wait for soft reset to get cleared upto 1 sec */ | |
3471 | for (cnt = 0; cnt < 1000; cnt++) { | |
3472 | bnx2x_mdio45_ctrl_read(bp, GRCBASE_EMAC0, | |
3473 | ext_phy_addr, | |
3474 | EXT_PHY_OPT_PMA_PMD_DEVAD, | |
3475 | EXT_PHY_OPT_CNTL, &ctrl); | |
3476 | if (!(ctrl & (1<<15))) | |
3477 | break; | |
3478 | msleep(1); | |
3479 | } | |
3480 | DP(NETIF_MSG_LINK, | |
3481 | "8072 control reg 0x%x (after %d ms)\n", | |
3482 | ctrl, cnt); | |
3483 | ||
3484 | bnx2x_bcm8072_external_rom_boot(bp); | |
3485 | DP(NETIF_MSG_LINK, "Finshed loading 8072 KR ROM\n"); | |
3486 | ||
3487 | /* enable LASI */ | |
3488 | bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, | |
3489 | ext_phy_addr, | |
3490 | EXT_PHY_KR_PMA_PMD_DEVAD, | |
3491 | 0x9000, 0x0400); | |
3492 | bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, | |
3493 | ext_phy_addr, | |
3494 | EXT_PHY_KR_PMA_PMD_DEVAD, | |
3495 | EXT_PHY_KR_LASI_CNTL, 0x0004); | |
3496 | ||
3497 | /* If this is forced speed, set to KR or KX | |
3498 | * (all other are not supported) | |
3499 | */ | |
3500 | if (!(bp->req_autoneg & AUTONEG_SPEED)) { | |
3501 | if (bp->req_line_speed == SPEED_10000) { | |
3502 | bnx2x_bcm8072_force_10G(bp); | |
3503 | DP(NETIF_MSG_LINK, | |
3504 | "Forced speed 10G on 8072\n"); | |
3505 | /* unlock */ | |
3506 | bnx2x_hw_unlock(bp, | |
3507 | HW_LOCK_RESOURCE_8072_MDIO); | |
3508 | break; | |
3509 | } else | |
3510 | val = (1<<5); | |
3511 | } else { | |
3512 | ||
3513 | /* Advertise 10G/1G support */ | |
3514 | if (bp->advertising & | |
3515 | ADVERTISED_1000baseT_Full) | |
3516 | val = (1<<5); | |
3517 | if (bp->advertising & | |
3518 | ADVERTISED_10000baseT_Full) | |
3519 | val |= (1<<7); | |
3520 | } | |
3521 | bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, | |
3522 | ext_phy_addr, | |
3523 | EXT_PHY_KR_AUTO_NEG_DEVAD, | |
3524 | 0x11, val); | |
3525 | /* Add support for CL37 ( passive mode ) I */ | |
3526 | bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, | |
3527 | ext_phy_addr, | |
3528 | EXT_PHY_KR_AUTO_NEG_DEVAD, | |
3529 | 0x8370, 0x040c); | |
3530 | /* Add support for CL37 ( passive mode ) II */ | |
3531 | bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, | |
3532 | ext_phy_addr, | |
3533 | EXT_PHY_KR_AUTO_NEG_DEVAD, | |
3534 | 0xffe4, 0x20); | |
3535 | /* Add support for CL37 ( passive mode ) III */ | |
3536 | bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, | |
3537 | ext_phy_addr, | |
3538 | EXT_PHY_KR_AUTO_NEG_DEVAD, | |
3539 | 0xffe0, 0x1000); | |
3540 | /* Restart autoneg */ | |
3541 | msleep(500); | |
3542 | bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, | |
3543 | ext_phy_addr, | |
3544 | EXT_PHY_KR_AUTO_NEG_DEVAD, | |
3545 | EXT_PHY_KR_CTRL, 0x1200); | |
3546 | DP(NETIF_MSG_LINK, "8072 Autoneg Restart: " | |
3547 | "1G %ssupported 10G %ssupported\n", | |
3548 | (val & (1<<5)) ? "" : "not ", | |
3549 | (val & (1<<7)) ? "" : "not "); | |
3550 | ||
3551 | /* unlock */ | |
3552 | bnx2x_hw_unlock(bp, HW_LOCK_RESOURCE_8072_MDIO); | |
3553 | break; | |
3554 | ||
3555 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101: | |
3556 | DP(NETIF_MSG_LINK, | |
3557 | "Setting the SFX7101 LASI indication\n"); | |
3558 | bnx2x_mdio45_vwrite(bp, ext_phy_addr, | |
3559 | EXT_PHY_OPT_PMA_PMD_DEVAD, | |
a2fbb9ea | 3560 | EXT_PHY_OPT_LASI_CNTL, 0x1); |
f1410647 ET |
3561 | DP(NETIF_MSG_LINK, |
3562 | "Setting the SFX7101 LED to blink on traffic\n"); | |
3563 | bnx2x_mdio45_vwrite(bp, ext_phy_addr, | |
3564 | EXT_PHY_OPT_PMA_PMD_DEVAD, | |
3565 | 0xC007, (1<<3)); | |
3566 | ||
3567 | /* read modify write pause advertizing */ | |
3568 | bnx2x_mdio45_read(bp, ext_phy_addr, | |
3569 | EXT_PHY_KR_AUTO_NEG_DEVAD, | |
3570 | EXT_PHY_KR_AUTO_NEG_ADVERT, &val); | |
3571 | val &= ~EXT_PHY_KR_AUTO_NEG_ADVERT_PAUSE_BOTH; | |
3572 | /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */ | |
3573 | if (bp->advertising & ADVERTISED_Pause) | |
3574 | val |= EXT_PHY_KR_AUTO_NEG_ADVERT_PAUSE; | |
3575 | ||
3576 | if (bp->advertising & ADVERTISED_Asym_Pause) { | |
3577 | val |= | |
3578 | EXT_PHY_KR_AUTO_NEG_ADVERT_PAUSE_ASYMMETRIC; | |
3579 | } | |
3580 | DP(NETIF_MSG_LINK, "SFX7101 AN advertize 0x%x\n", val); | |
3581 | bnx2x_mdio45_vwrite(bp, ext_phy_addr, | |
3582 | EXT_PHY_KR_AUTO_NEG_DEVAD, | |
3583 | EXT_PHY_KR_AUTO_NEG_ADVERT, val); | |
3584 | /* Restart autoneg */ | |
3585 | bnx2x_mdio45_read(bp, ext_phy_addr, | |
3586 | EXT_PHY_KR_AUTO_NEG_DEVAD, | |
3587 | EXT_PHY_KR_CTRL, &val); | |
3588 | val |= 0x200; | |
3589 | bnx2x_mdio45_write(bp, ext_phy_addr, | |
3590 | EXT_PHY_KR_AUTO_NEG_DEVAD, | |
3591 | EXT_PHY_KR_CTRL, val); | |
a2fbb9ea ET |
3592 | break; |
3593 | ||
3594 | default: | |
f1410647 ET |
3595 | BNX2X_ERR("BAD XGXS ext_phy_config 0x%x\n", |
3596 | bp->ext_phy_config); | |
a2fbb9ea ET |
3597 | break; |
3598 | } | |
a2fbb9ea ET |
3599 | |
3600 | } else { /* SerDes */ | |
f1410647 | 3601 | /* ext_phy_addr = ((bp->ext_phy_config & |
a2fbb9ea ET |
3602 | PORT_HW_CFG_SERDES_EXT_PHY_ADDR_MASK) >> |
3603 | PORT_HW_CFG_SERDES_EXT_PHY_ADDR_SHIFT); | |
3604 | */ | |
3605 | ext_phy_type = SERDES_EXT_PHY_TYPE(bp); | |
3606 | switch (ext_phy_type) { | |
3607 | case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT: | |
3608 | DP(NETIF_MSG_LINK, "SerDes Direct\n"); | |
3609 | break; | |
3610 | ||
3611 | case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482: | |
3612 | DP(NETIF_MSG_LINK, "SerDes 5482\n"); | |
a2fbb9ea ET |
3613 | break; |
3614 | ||
3615 | default: | |
3616 | DP(NETIF_MSG_LINK, "BAD SerDes ext_phy_config 0x%x\n", | |
3617 | bp->ext_phy_config); | |
3618 | break; | |
3619 | } | |
3620 | } | |
3621 | } | |
3622 | ||
3623 | static void bnx2x_ext_phy_reset(struct bnx2x *bp) | |
3624 | { | |
3625 | u32 ext_phy_type; | |
f1410647 ET |
3626 | u32 ext_phy_addr = ((bp->ext_phy_config & |
3627 | PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >> | |
3628 | PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT); | |
3629 | u32 board = (bp->board & SHARED_HW_CFG_BOARD_TYPE_MASK); | |
3630 | ||
3631 | /* The PHY reset is controled by GPIO 1 | |
3632 | * Give it 1ms of reset pulse | |
3633 | */ | |
3634 | if ((board != SHARED_HW_CFG_BOARD_TYPE_BCM957710T1002G) && | |
3635 | (board != SHARED_HW_CFG_BOARD_TYPE_BCM957710T1003G)) { | |
3636 | bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, | |
3637 | MISC_REGISTERS_GPIO_OUTPUT_LOW); | |
3638 | msleep(1); | |
3639 | bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, | |
3640 | MISC_REGISTERS_GPIO_OUTPUT_HIGH); | |
3641 | } | |
a2fbb9ea ET |
3642 | |
3643 | if (bp->phy_flags & PHY_XGXS_FLAG) { | |
3644 | ext_phy_type = XGXS_EXT_PHY_TYPE(bp); | |
3645 | switch (ext_phy_type) { | |
3646 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT: | |
3647 | DP(NETIF_MSG_LINK, "XGXS Direct\n"); | |
3648 | break; | |
3649 | ||
3650 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705: | |
3651 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706: | |
f1410647 ET |
3652 | DP(NETIF_MSG_LINK, "XGXS 8705/8706\n"); |
3653 | bnx2x_mdio45_write(bp, ext_phy_addr, | |
3654 | EXT_PHY_OPT_PMA_PMD_DEVAD, | |
a2fbb9ea | 3655 | EXT_PHY_OPT_CNTL, 0xa040); |
f1410647 ET |
3656 | break; |
3657 | ||
3658 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072: | |
3659 | DP(NETIF_MSG_LINK, "XGXS 8072\n"); | |
3660 | bnx2x_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO); | |
3661 | bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, | |
3662 | ext_phy_addr, | |
3663 | EXT_PHY_KR_PMA_PMD_DEVAD, | |
3664 | 0, 1<<15); | |
3665 | bnx2x_hw_unlock(bp, HW_LOCK_RESOURCE_8072_MDIO); | |
3666 | break; | |
3667 | ||
3668 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101: | |
3669 | DP(NETIF_MSG_LINK, "XGXS SFX7101\n"); | |
a2fbb9ea ET |
3670 | break; |
3671 | ||
3672 | default: | |
3673 | DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n", | |
3674 | bp->ext_phy_config); | |
3675 | break; | |
3676 | } | |
3677 | ||
3678 | } else { /* SerDes */ | |
3679 | ext_phy_type = SERDES_EXT_PHY_TYPE(bp); | |
3680 | switch (ext_phy_type) { | |
3681 | case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT: | |
3682 | DP(NETIF_MSG_LINK, "SerDes Direct\n"); | |
3683 | break; | |
3684 | ||
3685 | case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482: | |
3686 | DP(NETIF_MSG_LINK, "SerDes 5482\n"); | |
3687 | break; | |
3688 | ||
3689 | default: | |
3690 | DP(NETIF_MSG_LINK, "BAD SerDes ext_phy_config 0x%x\n", | |
3691 | bp->ext_phy_config); | |
3692 | break; | |
3693 | } | |
3694 | } | |
3695 | } | |
3696 | ||
3697 | static void bnx2x_link_initialize(struct bnx2x *bp) | |
3698 | { | |
3699 | int port = bp->port; | |
3700 | ||
3701 | /* disable attentions */ | |
3702 | bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, | |
3703 | (NIG_MASK_XGXS0_LINK_STATUS | | |
3704 | NIG_MASK_XGXS0_LINK10G | | |
3705 | NIG_MASK_SERDES0_LINK_STATUS | | |
3706 | NIG_MASK_MI_INT)); | |
3707 | ||
f1410647 | 3708 | /* Activate the external PHY */ |
a2fbb9ea ET |
3709 | bnx2x_ext_phy_reset(bp); |
3710 | ||
3711 | bnx2x_set_aer_mmd(bp); | |
3712 | ||
3713 | if (bp->phy_flags & PHY_XGXS_FLAG) | |
3714 | bnx2x_set_master_ln(bp); | |
3715 | ||
3716 | /* reset the SerDes and wait for reset bit return low */ | |
3717 | bnx2x_reset_unicore(bp); | |
3718 | ||
3719 | bnx2x_set_aer_mmd(bp); | |
3720 | ||
3721 | /* setting the masterLn_def again after the reset */ | |
3722 | if (bp->phy_flags & PHY_XGXS_FLAG) { | |
3723 | bnx2x_set_master_ln(bp); | |
3724 | bnx2x_set_swap_lanes(bp); | |
3725 | } | |
3726 | ||
3727 | /* Set Parallel Detect */ | |
3728 | if (bp->req_autoneg & AUTONEG_SPEED) | |
3729 | bnx2x_set_parallel_detection(bp); | |
3730 | ||
3731 | if (bp->phy_flags & PHY_XGXS_FLAG) { | |
3732 | if (bp->req_line_speed && | |
3733 | bp->req_line_speed < SPEED_1000) { | |
3734 | bp->phy_flags |= PHY_SGMII_FLAG; | |
3735 | } else { | |
3736 | bp->phy_flags &= ~PHY_SGMII_FLAG; | |
3737 | } | |
3738 | } | |
3739 | ||
3740 | if (!(bp->phy_flags & PHY_SGMII_FLAG)) { | |
3741 | u16 bank, rx_eq; | |
3742 | ||
3743 | rx_eq = ((bp->serdes_config & | |
3744 | PORT_HW_CFG_SERDES_RX_DRV_EQUALIZER_MASK) >> | |
3745 | PORT_HW_CFG_SERDES_RX_DRV_EQUALIZER_SHIFT); | |
3746 | ||
3747 | DP(NETIF_MSG_LINK, "setting rx eq to %d\n", rx_eq); | |
3748 | for (bank = MDIO_REG_BANK_RX0; bank <= MDIO_REG_BANK_RX_ALL; | |
3749 | bank += (MDIO_REG_BANK_RX1 - MDIO_REG_BANK_RX0)) { | |
3750 | MDIO_SET_REG_BANK(bp, bank); | |
3751 | bnx2x_mdio22_write(bp, MDIO_RX0_RX_EQ_BOOST, | |
3752 | ((rx_eq & | |
3753 | MDIO_RX0_RX_EQ_BOOST_EQUALIZER_CTRL_MASK) | | |
3754 | MDIO_RX0_RX_EQ_BOOST_OFFSET_CTRL)); | |
3755 | } | |
3756 | ||
3757 | /* forced speed requested? */ | |
3758 | if (!(bp->req_autoneg & AUTONEG_SPEED)) { | |
3759 | DP(NETIF_MSG_LINK, "not SGMII, no AN\n"); | |
3760 | ||
3761 | /* disable autoneg */ | |
3762 | bnx2x_set_autoneg(bp); | |
3763 | ||
3764 | /* program speed and duplex */ | |
3765 | bnx2x_program_serdes(bp); | |
3766 | ||
3767 | } else { /* AN_mode */ | |
3768 | DP(NETIF_MSG_LINK, "not SGMII, AN\n"); | |
3769 | ||
3770 | /* AN enabled */ | |
3771 | bnx2x_set_brcm_cl37_advertisment(bp); | |
3772 | ||
c14423fe | 3773 | /* program duplex & pause advertisement (for aneg) */ |
a2fbb9ea ET |
3774 | bnx2x_set_ieee_aneg_advertisment(bp); |
3775 | ||
3776 | /* enable autoneg */ | |
3777 | bnx2x_set_autoneg(bp); | |
3778 | ||
c14423fe | 3779 | /* enable and restart AN */ |
a2fbb9ea ET |
3780 | bnx2x_restart_autoneg(bp); |
3781 | } | |
3782 | ||
3783 | } else { /* SGMII mode */ | |
3784 | DP(NETIF_MSG_LINK, "SGMII\n"); | |
3785 | ||
3786 | bnx2x_initialize_sgmii_process(bp); | |
3787 | } | |
3788 | ||
a2fbb9ea ET |
3789 | /* init ext phy and enable link state int */ |
3790 | bnx2x_ext_phy_init(bp); | |
f1410647 ET |
3791 | |
3792 | /* enable the interrupt */ | |
3793 | bnx2x_link_int_enable(bp); | |
a2fbb9ea ET |
3794 | } |
3795 | ||
3796 | static void bnx2x_phy_deassert(struct bnx2x *bp) | |
3797 | { | |
3798 | int port = bp->port; | |
3799 | u32 val; | |
3800 | ||
3801 | if (bp->phy_flags & PHY_XGXS_FLAG) { | |
3802 | DP(NETIF_MSG_LINK, "XGXS\n"); | |
3803 | val = XGXS_RESET_BITS; | |
3804 | ||
3805 | } else { /* SerDes */ | |
3806 | DP(NETIF_MSG_LINK, "SerDes\n"); | |
3807 | val = SERDES_RESET_BITS; | |
3808 | } | |
3809 | ||
3810 | val = val << (port*16); | |
3811 | ||
3812 | /* reset and unreset the SerDes/XGXS */ | |
3813 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val); | |
3814 | msleep(5); | |
3815 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val); | |
3816 | } | |
3817 | ||
3818 | static int bnx2x_phy_init(struct bnx2x *bp) | |
3819 | { | |
3820 | DP(NETIF_MSG_LINK, "started\n"); | |
3821 | if (CHIP_REV(bp) == CHIP_REV_FPGA) { | |
3822 | bp->phy_flags |= PHY_EMAC_FLAG; | |
3823 | bp->link_up = 1; | |
3824 | bp->line_speed = SPEED_10000; | |
3825 | bp->duplex = DUPLEX_FULL; | |
3826 | NIG_WR(NIG_REG_EGRESS_DRAIN0_MODE + bp->port*4, 0); | |
3827 | bnx2x_emac_enable(bp); | |
3828 | bnx2x_link_report(bp); | |
3829 | return 0; | |
3830 | ||
3831 | } else if (CHIP_REV(bp) == CHIP_REV_EMUL) { | |
3832 | bp->phy_flags |= PHY_BMAC_FLAG; | |
3833 | bp->link_up = 1; | |
3834 | bp->line_speed = SPEED_10000; | |
3835 | bp->duplex = DUPLEX_FULL; | |
3836 | NIG_WR(NIG_REG_EGRESS_DRAIN0_MODE + bp->port*4, 0); | |
3837 | bnx2x_bmac_enable(bp, 0); | |
3838 | bnx2x_link_report(bp); | |
3839 | return 0; | |
3840 | ||
3841 | } else { | |
3842 | bnx2x_phy_deassert(bp); | |
3843 | bnx2x_link_initialize(bp); | |
3844 | } | |
3845 | ||
3846 | return 0; | |
3847 | } | |
3848 | ||
3849 | static void bnx2x_link_reset(struct bnx2x *bp) | |
3850 | { | |
3851 | int port = bp->port; | |
f1410647 ET |
3852 | u32 board = (bp->board & SHARED_HW_CFG_BOARD_TYPE_MASK); |
3853 | ||
3854 | /* update shared memory */ | |
3855 | bp->link_status = 0; | |
3856 | bnx2x_update_mng(bp); | |
a2fbb9ea ET |
3857 | |
3858 | /* disable attentions */ | |
3859 | bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, | |
3860 | (NIG_MASK_XGXS0_LINK_STATUS | | |
3861 | NIG_MASK_XGXS0_LINK10G | | |
3862 | NIG_MASK_SERDES0_LINK_STATUS | | |
3863 | NIG_MASK_MI_INT)); | |
3864 | ||
f1410647 ET |
3865 | /* activate nig drain */ |
3866 | NIG_WR(NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1); | |
3867 | ||
3868 | /* disable nig egress interface */ | |
3869 | NIG_WR(NIG_REG_BMAC0_OUT_EN + port*4, 0); | |
3870 | NIG_WR(NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0); | |
3871 | ||
3872 | /* Stop BigMac rx */ | |
3873 | bnx2x_bmac_rx_disable(bp); | |
3874 | ||
3875 | /* disable emac */ | |
3876 | NIG_WR(NIG_REG_NIG_EMAC0_EN + port*4, 0); | |
3877 | ||
3878 | msleep(10); | |
3879 | ||
3880 | /* The PHY reset is controled by GPIO 1 | |
3881 | * Hold it as output low | |
3882 | */ | |
3883 | if ((board != SHARED_HW_CFG_BOARD_TYPE_BCM957710T1002G) && | |
3884 | (board != SHARED_HW_CFG_BOARD_TYPE_BCM957710T1003G)) { | |
3885 | bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, | |
3886 | MISC_REGISTERS_GPIO_OUTPUT_LOW); | |
3887 | DP(NETIF_MSG_LINK, "reset external PHY\n"); | |
3888 | } | |
a2fbb9ea ET |
3889 | |
3890 | /* reset the SerDes/XGXS */ | |
3891 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, | |
3892 | (0x1ff << (port*16))); | |
3893 | ||
f1410647 ET |
3894 | /* reset BigMac */ |
3895 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, | |
3896 | (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); | |
a2fbb9ea | 3897 | |
f1410647 ET |
3898 | /* disable nig ingress interface */ |
3899 | NIG_WR(NIG_REG_BMAC0_IN_EN + port*4, 0); | |
a2fbb9ea | 3900 | NIG_WR(NIG_REG_EMAC0_IN_EN + port*4, 0); |
a2fbb9ea | 3901 | |
f1410647 ET |
3902 | /* set link down */ |
3903 | bp->link_up = 0; | |
a2fbb9ea ET |
3904 | } |
3905 | ||
3906 | #ifdef BNX2X_XGXS_LB | |
3907 | static void bnx2x_set_xgxs_loopback(struct bnx2x *bp, int is_10g) | |
3908 | { | |
3909 | int port = bp->port; | |
3910 | ||
3911 | if (is_10g) { | |
3912 | u32 md_devad; | |
3913 | ||
3914 | DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n"); | |
3915 | ||
3916 | /* change the uni_phy_addr in the nig */ | |
3917 | REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18), | |
3918 | &md_devad); | |
3919 | NIG_WR(NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, 0x5); | |
3920 | ||
3921 | /* change the aer mmd */ | |
3922 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_AER_BLOCK); | |
3923 | bnx2x_mdio22_write(bp, MDIO_AER_BLOCK_AER_REG, 0x2800); | |
3924 | ||
3925 | /* config combo IEEE0 control reg for loopback */ | |
3926 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_CL73_IEEEB0); | |
3927 | bnx2x_mdio22_write(bp, MDIO_CL73_IEEEB0_CL73_AN_CONTROL, | |
3928 | 0x6041); | |
3929 | ||
3930 | /* set aer mmd back */ | |
3931 | bnx2x_set_aer_mmd(bp); | |
3932 | ||
3933 | /* and md_devad */ | |
3934 | NIG_WR(NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, md_devad); | |
3935 | ||
3936 | } else { | |
3937 | u32 mii_control; | |
3938 | ||
3939 | DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n"); | |
3940 | ||
3941 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_COMBO_IEEE0); | |
3942 | bnx2x_mdio22_read(bp, MDIO_COMBO_IEEE0_MII_CONTROL, | |
3943 | &mii_control); | |
3944 | bnx2x_mdio22_write(bp, MDIO_COMBO_IEEE0_MII_CONTROL, | |
3945 | (mii_control | | |
3946 | MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK)); | |
3947 | } | |
3948 | } | |
3949 | #endif | |
3950 | ||
3951 | /* end of PHY/MAC */ | |
3952 | ||
3953 | /* slow path */ | |
3954 | ||
3955 | /* | |
3956 | * General service functions | |
3957 | */ | |
3958 | ||
3959 | /* the slow path queue is odd since completions arrive on the fastpath ring */ | |
3960 | static int bnx2x_sp_post(struct bnx2x *bp, int command, int cid, | |
3961 | u32 data_hi, u32 data_lo, int common) | |
3962 | { | |
3963 | int port = bp->port; | |
3964 | ||
3965 | DP(NETIF_MSG_TIMER, | |
c14423fe | 3966 | "spe (%x:%x) command %d hw_cid %x data (%x:%x) left %x\n", |
a2fbb9ea ET |
3967 | (u32)U64_HI(bp->spq_mapping), (u32)(U64_LO(bp->spq_mapping) + |
3968 | (void *)bp->spq_prod_bd - (void *)bp->spq), command, | |
3969 | HW_CID(bp, cid), data_hi, data_lo, bp->spq_left); | |
3970 | ||
3971 | #ifdef BNX2X_STOP_ON_ERROR | |
3972 | if (unlikely(bp->panic)) | |
3973 | return -EIO; | |
3974 | #endif | |
3975 | ||
3976 | spin_lock(&bp->spq_lock); | |
3977 | ||
3978 | if (!bp->spq_left) { | |
3979 | BNX2X_ERR("BUG! SPQ ring full!\n"); | |
3980 | spin_unlock(&bp->spq_lock); | |
3981 | bnx2x_panic(); | |
3982 | return -EBUSY; | |
3983 | } | |
f1410647 | 3984 | |
a2fbb9ea ET |
3985 | /* CID needs port number to be encoded int it */ |
3986 | bp->spq_prod_bd->hdr.conn_and_cmd_data = | |
3987 | cpu_to_le32(((command << SPE_HDR_CMD_ID_SHIFT) | | |
3988 | HW_CID(bp, cid))); | |
3989 | bp->spq_prod_bd->hdr.type = cpu_to_le16(ETH_CONNECTION_TYPE); | |
3990 | if (common) | |
3991 | bp->spq_prod_bd->hdr.type |= | |
3992 | cpu_to_le16((1 << SPE_HDR_COMMON_RAMROD_SHIFT)); | |
3993 | ||
3994 | bp->spq_prod_bd->data.mac_config_addr.hi = cpu_to_le32(data_hi); | |
3995 | bp->spq_prod_bd->data.mac_config_addr.lo = cpu_to_le32(data_lo); | |
3996 | ||
3997 | bp->spq_left--; | |
3998 | ||
3999 | if (bp->spq_prod_bd == bp->spq_last_bd) { | |
4000 | bp->spq_prod_bd = bp->spq; | |
4001 | bp->spq_prod_idx = 0; | |
4002 | DP(NETIF_MSG_TIMER, "end of spq\n"); | |
4003 | ||
4004 | } else { | |
4005 | bp->spq_prod_bd++; | |
4006 | bp->spq_prod_idx++; | |
4007 | } | |
4008 | ||
4009 | REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(port), | |
4010 | bp->spq_prod_idx); | |
4011 | ||
4012 | spin_unlock(&bp->spq_lock); | |
4013 | return 0; | |
4014 | } | |
4015 | ||
4016 | /* acquire split MCP access lock register */ | |
4017 | static int bnx2x_lock_alr(struct bnx2x *bp) | |
4018 | { | |
4019 | int rc = 0; | |
4020 | u32 i, j, val; | |
4021 | ||
4022 | might_sleep(); | |
4023 | i = 100; | |
4024 | for (j = 0; j < i*10; j++) { | |
4025 | val = (1UL << 31); | |
4026 | REG_WR(bp, GRCBASE_MCP + 0x9c, val); | |
4027 | val = REG_RD(bp, GRCBASE_MCP + 0x9c); | |
4028 | if (val & (1L << 31)) | |
4029 | break; | |
4030 | ||
4031 | msleep(5); | |
4032 | } | |
4033 | ||
4034 | if (!(val & (1L << 31))) { | |
4035 | BNX2X_ERR("Cannot acquire nvram interface\n"); | |
4036 | ||
4037 | rc = -EBUSY; | |
4038 | } | |
4039 | ||
4040 | return rc; | |
4041 | } | |
4042 | ||
4043 | /* Release split MCP access lock register */ | |
4044 | static void bnx2x_unlock_alr(struct bnx2x *bp) | |
4045 | { | |
4046 | u32 val = 0; | |
4047 | ||
4048 | REG_WR(bp, GRCBASE_MCP + 0x9c, val); | |
4049 | } | |
4050 | ||
4051 | static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp) | |
4052 | { | |
4053 | struct host_def_status_block *def_sb = bp->def_status_blk; | |
4054 | u16 rc = 0; | |
4055 | ||
4056 | barrier(); /* status block is written to by the chip */ | |
4057 | ||
4058 | if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) { | |
4059 | bp->def_att_idx = def_sb->atten_status_block.attn_bits_index; | |
4060 | rc |= 1; | |
4061 | } | |
4062 | if (bp->def_c_idx != def_sb->c_def_status_block.status_block_index) { | |
4063 | bp->def_c_idx = def_sb->c_def_status_block.status_block_index; | |
4064 | rc |= 2; | |
4065 | } | |
4066 | if (bp->def_u_idx != def_sb->u_def_status_block.status_block_index) { | |
4067 | bp->def_u_idx = def_sb->u_def_status_block.status_block_index; | |
4068 | rc |= 4; | |
4069 | } | |
4070 | if (bp->def_x_idx != def_sb->x_def_status_block.status_block_index) { | |
4071 | bp->def_x_idx = def_sb->x_def_status_block.status_block_index; | |
4072 | rc |= 8; | |
4073 | } | |
4074 | if (bp->def_t_idx != def_sb->t_def_status_block.status_block_index) { | |
4075 | bp->def_t_idx = def_sb->t_def_status_block.status_block_index; | |
4076 | rc |= 16; | |
4077 | } | |
4078 | return rc; | |
4079 | } | |
4080 | ||
4081 | /* | |
4082 | * slow path service functions | |
4083 | */ | |
4084 | ||
4085 | static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted) | |
4086 | { | |
4087 | int port = bp->port; | |
4088 | u32 igu_addr = (IGU_ADDR_ATTN_BITS_SET + IGU_PORT_BASE * port) * 8; | |
4089 | u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 : | |
4090 | MISC_REG_AEU_MASK_ATTN_FUNC_0; | |
877e9aa4 ET |
4091 | u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 : |
4092 | NIG_REG_MASK_INTERRUPT_PORT0; | |
a2fbb9ea ET |
4093 | |
4094 | if (~bp->aeu_mask & (asserted & 0xff)) | |
4095 | BNX2X_ERR("IGU ERROR\n"); | |
4096 | if (bp->attn_state & asserted) | |
4097 | BNX2X_ERR("IGU ERROR\n"); | |
4098 | ||
4099 | DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n", | |
4100 | bp->aeu_mask, asserted); | |
4101 | bp->aeu_mask &= ~(asserted & 0xff); | |
4102 | DP(NETIF_MSG_HW, "after masking: aeu_mask %x\n", bp->aeu_mask); | |
4103 | ||
4104 | REG_WR(bp, aeu_addr, bp->aeu_mask); | |
4105 | ||
4106 | bp->attn_state |= asserted; | |
4107 | ||
4108 | if (asserted & ATTN_HARD_WIRED_MASK) { | |
4109 | if (asserted & ATTN_NIG_FOR_FUNC) { | |
a2fbb9ea | 4110 | |
877e9aa4 ET |
4111 | /* save nig interrupt mask */ |
4112 | bp->nig_mask = REG_RD(bp, nig_int_mask_addr); | |
4113 | REG_WR(bp, nig_int_mask_addr, 0); | |
a2fbb9ea | 4114 | |
a2fbb9ea ET |
4115 | bnx2x_link_update(bp); |
4116 | ||
4117 | /* handle unicore attn? */ | |
4118 | } | |
4119 | if (asserted & ATTN_SW_TIMER_4_FUNC) | |
4120 | DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n"); | |
4121 | ||
4122 | if (asserted & GPIO_2_FUNC) | |
4123 | DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n"); | |
4124 | ||
4125 | if (asserted & GPIO_3_FUNC) | |
4126 | DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n"); | |
4127 | ||
4128 | if (asserted & GPIO_4_FUNC) | |
4129 | DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n"); | |
4130 | ||
4131 | if (port == 0) { | |
4132 | if (asserted & ATTN_GENERAL_ATTN_1) { | |
4133 | DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n"); | |
4134 | REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0); | |
4135 | } | |
4136 | if (asserted & ATTN_GENERAL_ATTN_2) { | |
4137 | DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n"); | |
4138 | REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0); | |
4139 | } | |
4140 | if (asserted & ATTN_GENERAL_ATTN_3) { | |
4141 | DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n"); | |
4142 | REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0); | |
4143 | } | |
4144 | } else { | |
4145 | if (asserted & ATTN_GENERAL_ATTN_4) { | |
4146 | DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n"); | |
4147 | REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0); | |
4148 | } | |
4149 | if (asserted & ATTN_GENERAL_ATTN_5) { | |
4150 | DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n"); | |
4151 | REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0); | |
4152 | } | |
4153 | if (asserted & ATTN_GENERAL_ATTN_6) { | |
4154 | DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n"); | |
4155 | REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0); | |
4156 | } | |
4157 | } | |
4158 | ||
4159 | } /* if hardwired */ | |
4160 | ||
4161 | DP(NETIF_MSG_HW, "about to mask 0x%08x at IGU addr 0x%x\n", | |
4162 | asserted, BAR_IGU_INTMEM + igu_addr); | |
4163 | REG_WR(bp, BAR_IGU_INTMEM + igu_addr, asserted); | |
4164 | ||
4165 | /* now set back the mask */ | |
4166 | if (asserted & ATTN_NIG_FOR_FUNC) | |
877e9aa4 | 4167 | REG_WR(bp, nig_int_mask_addr, bp->nig_mask); |
a2fbb9ea ET |
4168 | } |
4169 | ||
877e9aa4 | 4170 | static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn) |
a2fbb9ea ET |
4171 | { |
4172 | int port = bp->port; | |
877e9aa4 ET |
4173 | int reg_offset; |
4174 | u32 val; | |
4175 | ||
4176 | if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) { | |
4177 | ||
4178 | reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 : | |
4179 | MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0); | |
4180 | ||
4181 | val = REG_RD(bp, reg_offset); | |
4182 | val &= ~AEU_INPUTS_ATTN_BITS_SPIO5; | |
4183 | REG_WR(bp, reg_offset, val); | |
4184 | ||
4185 | BNX2X_ERR("SPIO5 hw attention\n"); | |
4186 | ||
4187 | switch (bp->board & SHARED_HW_CFG_BOARD_TYPE_MASK) { | |
4188 | case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G: | |
4189 | /* Fan failure attention */ | |
4190 | ||
4191 | /* The PHY reset is controled by GPIO 1 */ | |
4192 | bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, | |
4193 | MISC_REGISTERS_GPIO_OUTPUT_LOW); | |
4194 | /* Low power mode is controled by GPIO 2 */ | |
4195 | bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, | |
4196 | MISC_REGISTERS_GPIO_OUTPUT_LOW); | |
4197 | /* mark the failure */ | |
4198 | bp->ext_phy_config &= | |
4199 | ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK; | |
4200 | bp->ext_phy_config |= | |
4201 | PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE; | |
4202 | SHMEM_WR(bp, | |
4203 | dev_info.port_hw_config[port]. | |
4204 | external_phy_config, | |
4205 | bp->ext_phy_config); | |
4206 | /* log the failure */ | |
4207 | printk(KERN_ERR PFX "Fan Failure on Network" | |
4208 | " Controller %s has caused the driver to" | |
4209 | " shutdown the card to prevent permanent" | |
4210 | " damage. Please contact Dell Support for" | |
4211 | " assistance\n", bp->dev->name); | |
4212 | break; | |
4213 | ||
4214 | default: | |
4215 | break; | |
4216 | } | |
4217 | } | |
4218 | } | |
4219 | ||
4220 | static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn) | |
4221 | { | |
4222 | u32 val; | |
4223 | ||
4224 | if (attn & BNX2X_DOORQ_ASSERT) { | |
4225 | ||
4226 | val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR); | |
4227 | BNX2X_ERR("DB hw attention 0x%x\n", val); | |
4228 | /* DORQ discard attention */ | |
4229 | if (val & 0x2) | |
4230 | BNX2X_ERR("FATAL error from DORQ\n"); | |
4231 | } | |
4232 | } | |
4233 | ||
4234 | static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn) | |
4235 | { | |
4236 | u32 val; | |
4237 | ||
4238 | if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) { | |
4239 | ||
4240 | val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR); | |
4241 | BNX2X_ERR("CFC hw attention 0x%x\n", val); | |
4242 | /* CFC error attention */ | |
4243 | if (val & 0x2) | |
4244 | BNX2X_ERR("FATAL error from CFC\n"); | |
4245 | } | |
4246 | ||
4247 | if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) { | |
4248 | ||
4249 | val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0); | |
4250 | BNX2X_ERR("PXP hw attention 0x%x\n", val); | |
4251 | /* RQ_USDMDP_FIFO_OVERFLOW */ | |
4252 | if (val & 0x18000) | |
4253 | BNX2X_ERR("FATAL error from PXP\n"); | |
4254 | } | |
4255 | } | |
4256 | ||
4257 | static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn) | |
4258 | { | |
4259 | if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) { | |
4260 | ||
4261 | if (attn & BNX2X_MC_ASSERT_BITS) { | |
4262 | ||
4263 | BNX2X_ERR("MC assert!\n"); | |
4264 | REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0); | |
4265 | REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0); | |
4266 | REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0); | |
4267 | REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0); | |
4268 | bnx2x_panic(); | |
4269 | ||
4270 | } else if (attn & BNX2X_MCP_ASSERT) { | |
4271 | ||
4272 | BNX2X_ERR("MCP assert!\n"); | |
4273 | REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0); | |
4274 | bnx2x_mc_assert(bp); | |
4275 | ||
4276 | } else | |
4277 | BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn); | |
4278 | } | |
4279 | ||
4280 | if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) { | |
4281 | ||
4282 | REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff); | |
4283 | BNX2X_ERR("LATCHED attention 0x%x (masked)\n", attn); | |
4284 | } | |
4285 | } | |
4286 | ||
4287 | static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted) | |
4288 | { | |
a2fbb9ea ET |
4289 | struct attn_route attn; |
4290 | struct attn_route group_mask; | |
877e9aa4 ET |
4291 | int port = bp->port; |
4292 | int index; | |
a2fbb9ea ET |
4293 | u32 reg_addr; |
4294 | u32 val; | |
4295 | ||
4296 | /* need to take HW lock because MCP or other port might also | |
4297 | try to handle this event */ | |
4298 | bnx2x_lock_alr(bp); | |
4299 | ||
4300 | attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4); | |
4301 | attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4); | |
4302 | attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4); | |
4303 | attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4); | |
4304 | DP(NETIF_MSG_HW, "attn %llx\n", (unsigned long long)attn.sig[0]); | |
4305 | ||
4306 | for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) { | |
4307 | if (deasserted & (1 << index)) { | |
4308 | group_mask = bp->attn_group[index]; | |
4309 | ||
4310 | DP(NETIF_MSG_HW, "group[%d]: %llx\n", index, | |
4311 | (unsigned long long)group_mask.sig[0]); | |
4312 | ||
877e9aa4 ET |
4313 | bnx2x_attn_int_deasserted3(bp, |
4314 | attn.sig[3] & group_mask.sig[3]); | |
4315 | bnx2x_attn_int_deasserted1(bp, | |
4316 | attn.sig[1] & group_mask.sig[1]); | |
4317 | bnx2x_attn_int_deasserted2(bp, | |
4318 | attn.sig[2] & group_mask.sig[2]); | |
4319 | bnx2x_attn_int_deasserted0(bp, | |
4320 | attn.sig[0] & group_mask.sig[0]); | |
a2fbb9ea ET |
4321 | |
4322 | if ((attn.sig[0] & group_mask.sig[0] & | |
4323 | HW_INTERRUT_ASSERT_SET_0) || | |
4324 | (attn.sig[1] & group_mask.sig[1] & | |
4325 | HW_INTERRUT_ASSERT_SET_1) || | |
4326 | (attn.sig[2] & group_mask.sig[2] & | |
4327 | HW_INTERRUT_ASSERT_SET_2)) | |
877e9aa4 ET |
4328 | BNX2X_ERR("FATAL HW block attention" |
4329 | " set0 0x%x set1 0x%x" | |
4330 | " set2 0x%x\n", | |
4331 | (attn.sig[0] & group_mask.sig[0] & | |
4332 | HW_INTERRUT_ASSERT_SET_0), | |
4333 | (attn.sig[1] & group_mask.sig[1] & | |
4334 | HW_INTERRUT_ASSERT_SET_1), | |
4335 | (attn.sig[2] & group_mask.sig[2] & | |
4336 | HW_INTERRUT_ASSERT_SET_2)); | |
a2fbb9ea ET |
4337 | |
4338 | if ((attn.sig[0] & group_mask.sig[0] & | |
4339 | HW_PRTY_ASSERT_SET_0) || | |
4340 | (attn.sig[1] & group_mask.sig[1] & | |
4341 | HW_PRTY_ASSERT_SET_1) || | |
4342 | (attn.sig[2] & group_mask.sig[2] & | |
4343 | HW_PRTY_ASSERT_SET_2)) | |
877e9aa4 | 4344 | BNX2X_ERR("FATAL HW block parity attention\n"); |
a2fbb9ea ET |
4345 | } |
4346 | } | |
4347 | ||
4348 | bnx2x_unlock_alr(bp); | |
4349 | ||
4350 | reg_addr = (IGU_ADDR_ATTN_BITS_CLR + IGU_PORT_BASE * port) * 8; | |
4351 | ||
4352 | val = ~deasserted; | |
4353 | /* DP(NETIF_MSG_INTR, "write 0x%08x to IGU addr 0x%x\n", | |
4354 | val, BAR_IGU_INTMEM + reg_addr); */ | |
4355 | REG_WR(bp, BAR_IGU_INTMEM + reg_addr, val); | |
4356 | ||
4357 | if (bp->aeu_mask & (deasserted & 0xff)) | |
4358 | BNX2X_ERR("IGU BUG\n"); | |
4359 | if (~bp->attn_state & deasserted) | |
4360 | BNX2X_ERR("IGU BUG\n"); | |
4361 | ||
4362 | reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 : | |
4363 | MISC_REG_AEU_MASK_ATTN_FUNC_0; | |
4364 | ||
4365 | DP(NETIF_MSG_HW, "aeu_mask %x\n", bp->aeu_mask); | |
4366 | bp->aeu_mask |= (deasserted & 0xff); | |
4367 | ||
4368 | DP(NETIF_MSG_HW, "new mask %x\n", bp->aeu_mask); | |
4369 | REG_WR(bp, reg_addr, bp->aeu_mask); | |
4370 | ||
4371 | DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state); | |
4372 | bp->attn_state &= ~deasserted; | |
4373 | DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state); | |
4374 | } | |
4375 | ||
4376 | static void bnx2x_attn_int(struct bnx2x *bp) | |
4377 | { | |
4378 | /* read local copy of bits */ | |
4379 | u32 attn_bits = bp->def_status_blk->atten_status_block.attn_bits; | |
4380 | u32 attn_ack = bp->def_status_blk->atten_status_block.attn_bits_ack; | |
4381 | u32 attn_state = bp->attn_state; | |
4382 | ||
4383 | /* look for changed bits */ | |
4384 | u32 asserted = attn_bits & ~attn_ack & ~attn_state; | |
4385 | u32 deasserted = ~attn_bits & attn_ack & attn_state; | |
4386 | ||
4387 | DP(NETIF_MSG_HW, | |
4388 | "attn_bits %x attn_ack %x asserted %x deasserted %x\n", | |
4389 | attn_bits, attn_ack, asserted, deasserted); | |
4390 | ||
4391 | if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state)) | |
4392 | BNX2X_ERR("bad attention state\n"); | |
4393 | ||
4394 | /* handle bits that were raised */ | |
4395 | if (asserted) | |
4396 | bnx2x_attn_int_asserted(bp, asserted); | |
4397 | ||
4398 | if (deasserted) | |
4399 | bnx2x_attn_int_deasserted(bp, deasserted); | |
4400 | } | |
4401 | ||
4402 | static void bnx2x_sp_task(struct work_struct *work) | |
4403 | { | |
4404 | struct bnx2x *bp = container_of(work, struct bnx2x, sp_task); | |
4405 | u16 status; | |
4406 | ||
4407 | /* Return here if interrupt is disabled */ | |
4408 | if (unlikely(atomic_read(&bp->intr_sem) != 0)) { | |
877e9aa4 | 4409 | DP(BNX2X_MSG_SP, "called but intr_sem not 0, returning\n"); |
a2fbb9ea ET |
4410 | return; |
4411 | } | |
4412 | ||
4413 | status = bnx2x_update_dsb_idx(bp); | |
4414 | if (status == 0) | |
4415 | BNX2X_ERR("spurious slowpath interrupt!\n"); | |
4416 | ||
4417 | DP(NETIF_MSG_INTR, "got a slowpath interrupt (updated %x)\n", status); | |
4418 | ||
877e9aa4 ET |
4419 | /* HW attentions */ |
4420 | if (status & 0x1) | |
a2fbb9ea | 4421 | bnx2x_attn_int(bp); |
a2fbb9ea | 4422 | |
877e9aa4 | 4423 | /* CStorm events: query_stats, port delete ramrod */ |
a2fbb9ea ET |
4424 | if (status & 0x2) |
4425 | bp->stat_pending = 0; | |
4426 | ||
4427 | bnx2x_ack_sb(bp, DEF_SB_ID, ATTENTION_ID, bp->def_att_idx, | |
4428 | IGU_INT_NOP, 1); | |
4429 | bnx2x_ack_sb(bp, DEF_SB_ID, USTORM_ID, le16_to_cpu(bp->def_u_idx), | |
4430 | IGU_INT_NOP, 1); | |
4431 | bnx2x_ack_sb(bp, DEF_SB_ID, CSTORM_ID, le16_to_cpu(bp->def_c_idx), | |
4432 | IGU_INT_NOP, 1); | |
4433 | bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, le16_to_cpu(bp->def_x_idx), | |
4434 | IGU_INT_NOP, 1); | |
4435 | bnx2x_ack_sb(bp, DEF_SB_ID, TSTORM_ID, le16_to_cpu(bp->def_t_idx), | |
4436 | IGU_INT_ENABLE, 1); | |
877e9aa4 | 4437 | |
a2fbb9ea ET |
4438 | } |
4439 | ||
4440 | static irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance) | |
4441 | { | |
4442 | struct net_device *dev = dev_instance; | |
4443 | struct bnx2x *bp = netdev_priv(dev); | |
4444 | ||
4445 | /* Return here if interrupt is disabled */ | |
4446 | if (unlikely(atomic_read(&bp->intr_sem) != 0)) { | |
877e9aa4 | 4447 | DP(BNX2X_MSG_SP, "called but intr_sem not 0, returning\n"); |
a2fbb9ea ET |
4448 | return IRQ_HANDLED; |
4449 | } | |
4450 | ||
877e9aa4 | 4451 | bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, 0, IGU_INT_DISABLE, 0); |
a2fbb9ea ET |
4452 | |
4453 | #ifdef BNX2X_STOP_ON_ERROR | |
4454 | if (unlikely(bp->panic)) | |
4455 | return IRQ_HANDLED; | |
4456 | #endif | |
4457 | ||
4458 | schedule_work(&bp->sp_task); | |
4459 | ||
4460 | return IRQ_HANDLED; | |
4461 | } | |
4462 | ||
4463 | /* end of slow path */ | |
4464 | ||
4465 | /* Statistics */ | |
4466 | ||
4467 | /**************************************************************************** | |
4468 | * Macros | |
4469 | ****************************************************************************/ | |
4470 | ||
4471 | #define UPDATE_STAT(s, t) \ | |
4472 | do { \ | |
4473 | estats->t += new->s - old->s; \ | |
4474 | old->s = new->s; \ | |
4475 | } while (0) | |
4476 | ||
4477 | /* sum[hi:lo] += add[hi:lo] */ | |
4478 | #define ADD_64(s_hi, a_hi, s_lo, a_lo) \ | |
4479 | do { \ | |
4480 | s_lo += a_lo; \ | |
4481 | s_hi += a_hi + (s_lo < a_lo) ? 1 : 0; \ | |
4482 | } while (0) | |
4483 | ||
4484 | /* difference = minuend - subtrahend */ | |
4485 | #define DIFF_64(d_hi, m_hi, s_hi, d_lo, m_lo, s_lo) \ | |
4486 | do { \ | |
4487 | if (m_lo < s_lo) { /* underflow */ \ | |
4488 | d_hi = m_hi - s_hi; \ | |
4489 | if (d_hi > 0) { /* we can 'loan' 1 */ \ | |
4490 | d_hi--; \ | |
4491 | d_lo = m_lo + (UINT_MAX - s_lo) + 1; \ | |
4492 | } else { /* m_hi <= s_hi */ \ | |
4493 | d_hi = 0; \ | |
4494 | d_lo = 0; \ | |
4495 | } \ | |
4496 | } else { /* m_lo >= s_lo */ \ | |
4497 | if (m_hi < s_hi) { \ | |
4498 | d_hi = 0; \ | |
4499 | d_lo = 0; \ | |
4500 | } else { /* m_hi >= s_hi */ \ | |
4501 | d_hi = m_hi - s_hi; \ | |
4502 | d_lo = m_lo - s_lo; \ | |
4503 | } \ | |
4504 | } \ | |
4505 | } while (0) | |
4506 | ||
4507 | /* minuend -= subtrahend */ | |
4508 | #define SUB_64(m_hi, s_hi, m_lo, s_lo) \ | |
4509 | do { \ | |
4510 | DIFF_64(m_hi, m_hi, s_hi, m_lo, m_lo, s_lo); \ | |
4511 | } while (0) | |
4512 | ||
4513 | #define UPDATE_STAT64(s_hi, t_hi, s_lo, t_lo) \ | |
4514 | do { \ | |
4515 | DIFF_64(diff.hi, new->s_hi, old->s_hi, \ | |
4516 | diff.lo, new->s_lo, old->s_lo); \ | |
4517 | old->s_hi = new->s_hi; \ | |
4518 | old->s_lo = new->s_lo; \ | |
4519 | ADD_64(estats->t_hi, diff.hi, \ | |
4520 | estats->t_lo, diff.lo); \ | |
4521 | } while (0) | |
4522 | ||
4523 | /* sum[hi:lo] += add */ | |
4524 | #define ADD_EXTEND_64(s_hi, s_lo, a) \ | |
4525 | do { \ | |
4526 | s_lo += a; \ | |
4527 | s_hi += (s_lo < a) ? 1 : 0; \ | |
4528 | } while (0) | |
4529 | ||
4530 | #define UPDATE_EXTEND_STAT(s, t_hi, t_lo) \ | |
4531 | do { \ | |
4532 | ADD_EXTEND_64(estats->t_hi, estats->t_lo, new->s); \ | |
4533 | } while (0) | |
4534 | ||
4535 | #define UPDATE_EXTEND_TSTAT(s, t_hi, t_lo) \ | |
4536 | do { \ | |
4537 | diff = le32_to_cpu(tclient->s) - old_tclient->s; \ | |
4538 | old_tclient->s = le32_to_cpu(tclient->s); \ | |
4539 | ADD_EXTEND_64(estats->t_hi, estats->t_lo, diff); \ | |
4540 | } while (0) | |
4541 | ||
4542 | /* | |
4543 | * General service functions | |
4544 | */ | |
4545 | ||
4546 | static inline long bnx2x_hilo(u32 *hiref) | |
4547 | { | |
4548 | u32 lo = *(hiref + 1); | |
4549 | #if (BITS_PER_LONG == 64) | |
4550 | u32 hi = *hiref; | |
4551 | ||
4552 | return HILO_U64(hi, lo); | |
4553 | #else | |
4554 | return lo; | |
4555 | #endif | |
4556 | } | |
4557 | ||
4558 | /* | |
4559 | * Init service functions | |
4560 | */ | |
4561 | ||
4562 | static void bnx2x_init_mac_stats(struct bnx2x *bp) | |
4563 | { | |
4564 | struct dmae_command *dmae; | |
4565 | int port = bp->port; | |
4566 | int loader_idx = port * 8; | |
4567 | u32 opcode; | |
4568 | u32 mac_addr; | |
4569 | ||
4570 | bp->executer_idx = 0; | |
4571 | if (bp->fw_mb) { | |
4572 | /* MCP */ | |
4573 | opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC | | |
4574 | DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | | |
4575 | #ifdef __BIG_ENDIAN | |
4576 | DMAE_CMD_ENDIANITY_B_DW_SWAP | | |
4577 | #else | |
4578 | DMAE_CMD_ENDIANITY_DW_SWAP | | |
4579 | #endif | |
4580 | (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0)); | |
4581 | ||
4582 | if (bp->link_up) | |
4583 | opcode |= (DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE); | |
4584 | ||
4585 | dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); | |
4586 | dmae->opcode = opcode; | |
4587 | dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, eth_stats) + | |
4588 | sizeof(u32)); | |
4589 | dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, eth_stats) + | |
4590 | sizeof(u32)); | |
4591 | dmae->dst_addr_lo = bp->fw_mb >> 2; | |
4592 | dmae->dst_addr_hi = 0; | |
4593 | dmae->len = (offsetof(struct bnx2x_eth_stats, mac_stx_end) - | |
4594 | sizeof(u32)) >> 2; | |
4595 | if (bp->link_up) { | |
4596 | dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; | |
4597 | dmae->comp_addr_hi = 0; | |
4598 | dmae->comp_val = 1; | |
4599 | } else { | |
4600 | dmae->comp_addr_lo = 0; | |
4601 | dmae->comp_addr_hi = 0; | |
4602 | dmae->comp_val = 0; | |
4603 | } | |
4604 | } | |
4605 | ||
4606 | if (!bp->link_up) { | |
4607 | /* no need to collect statistics in link down */ | |
4608 | return; | |
4609 | } | |
4610 | ||
4611 | opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI | | |
4612 | DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE | | |
4613 | DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | | |
4614 | #ifdef __BIG_ENDIAN | |
4615 | DMAE_CMD_ENDIANITY_B_DW_SWAP | | |
4616 | #else | |
4617 | DMAE_CMD_ENDIANITY_DW_SWAP | | |
4618 | #endif | |
4619 | (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0)); | |
4620 | ||
4621 | if (bp->phy_flags & PHY_BMAC_FLAG) { | |
4622 | ||
4623 | mac_addr = (port ? NIG_REG_INGRESS_BMAC1_MEM : | |
4624 | NIG_REG_INGRESS_BMAC0_MEM); | |
4625 | ||
4626 | /* BIGMAC_REGISTER_TX_STAT_GTPKT .. | |
4627 | BIGMAC_REGISTER_TX_STAT_GTBYT */ | |
4628 | dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); | |
4629 | dmae->opcode = opcode; | |
4630 | dmae->src_addr_lo = (mac_addr + | |
4631 | BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2; | |
4632 | dmae->src_addr_hi = 0; | |
4633 | dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats)); | |
4634 | dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats)); | |
4635 | dmae->len = (8 + BIGMAC_REGISTER_TX_STAT_GTBYT - | |
4636 | BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2; | |
4637 | dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; | |
4638 | dmae->comp_addr_hi = 0; | |
4639 | dmae->comp_val = 1; | |
4640 | ||
4641 | /* BIGMAC_REGISTER_RX_STAT_GR64 .. | |
4642 | BIGMAC_REGISTER_RX_STAT_GRIPJ */ | |
4643 | dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); | |
4644 | dmae->opcode = opcode; | |
4645 | dmae->src_addr_lo = (mac_addr + | |
4646 | BIGMAC_REGISTER_RX_STAT_GR64) >> 2; | |
4647 | dmae->src_addr_hi = 0; | |
4648 | dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) + | |
4649 | offsetof(struct bmac_stats, rx_gr64)); | |
4650 | dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) + | |
4651 | offsetof(struct bmac_stats, rx_gr64)); | |
4652 | dmae->len = (8 + BIGMAC_REGISTER_RX_STAT_GRIPJ - | |
4653 | BIGMAC_REGISTER_RX_STAT_GR64) >> 2; | |
4654 | dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; | |
4655 | dmae->comp_addr_hi = 0; | |
4656 | dmae->comp_val = 1; | |
4657 | ||
4658 | } else if (bp->phy_flags & PHY_EMAC_FLAG) { | |
4659 | ||
4660 | mac_addr = (port ? GRCBASE_EMAC1 : GRCBASE_EMAC0); | |
4661 | ||
4662 | /* EMAC_REG_EMAC_RX_STAT_AC (EMAC_REG_EMAC_RX_STAT_AC_COUNT)*/ | |
4663 | dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); | |
4664 | dmae->opcode = opcode; | |
4665 | dmae->src_addr_lo = (mac_addr + | |
4666 | EMAC_REG_EMAC_RX_STAT_AC) >> 2; | |
4667 | dmae->src_addr_hi = 0; | |
4668 | dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats)); | |
4669 | dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats)); | |
4670 | dmae->len = EMAC_REG_EMAC_RX_STAT_AC_COUNT; | |
4671 | dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; | |
4672 | dmae->comp_addr_hi = 0; | |
4673 | dmae->comp_val = 1; | |
4674 | ||
4675 | /* EMAC_REG_EMAC_RX_STAT_AC_28 */ | |
4676 | dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); | |
4677 | dmae->opcode = opcode; | |
4678 | dmae->src_addr_lo = (mac_addr + | |
4679 | EMAC_REG_EMAC_RX_STAT_AC_28) >> 2; | |
4680 | dmae->src_addr_hi = 0; | |
4681 | dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) + | |
4682 | offsetof(struct emac_stats, | |
4683 | rx_falsecarriererrors)); | |
4684 | dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) + | |
4685 | offsetof(struct emac_stats, | |
4686 | rx_falsecarriererrors)); | |
4687 | dmae->len = 1; | |
4688 | dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; | |
4689 | dmae->comp_addr_hi = 0; | |
4690 | dmae->comp_val = 1; | |
4691 | ||
4692 | /* EMAC_REG_EMAC_TX_STAT_AC (EMAC_REG_EMAC_TX_STAT_AC_COUNT)*/ | |
4693 | dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); | |
4694 | dmae->opcode = opcode; | |
4695 | dmae->src_addr_lo = (mac_addr + | |
4696 | EMAC_REG_EMAC_TX_STAT_AC) >> 2; | |
4697 | dmae->src_addr_hi = 0; | |
4698 | dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) + | |
4699 | offsetof(struct emac_stats, | |
4700 | tx_ifhcoutoctets)); | |
4701 | dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) + | |
4702 | offsetof(struct emac_stats, | |
4703 | tx_ifhcoutoctets)); | |
4704 | dmae->len = EMAC_REG_EMAC_TX_STAT_AC_COUNT; | |
4705 | dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; | |
4706 | dmae->comp_addr_hi = 0; | |
4707 | dmae->comp_val = 1; | |
4708 | } | |
4709 | ||
4710 | /* NIG */ | |
4711 | dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); | |
4712 | dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI | | |
4713 | DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE | | |
4714 | DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | | |
4715 | #ifdef __BIG_ENDIAN | |
4716 | DMAE_CMD_ENDIANITY_B_DW_SWAP | | |
4717 | #else | |
4718 | DMAE_CMD_ENDIANITY_DW_SWAP | | |
4719 | #endif | |
4720 | (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0)); | |
4721 | dmae->src_addr_lo = (port ? NIG_REG_STAT1_BRB_DISCARD : | |
4722 | NIG_REG_STAT0_BRB_DISCARD) >> 2; | |
4723 | dmae->src_addr_hi = 0; | |
4724 | dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig)); | |
4725 | dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig)); | |
4726 | dmae->len = (sizeof(struct nig_stats) - 2*sizeof(u32)) >> 2; | |
4727 | dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig) + | |
4728 | offsetof(struct nig_stats, done)); | |
4729 | dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig) + | |
4730 | offsetof(struct nig_stats, done)); | |
4731 | dmae->comp_val = 0xffffffff; | |
4732 | } | |
4733 | ||
4734 | static void bnx2x_init_stats(struct bnx2x *bp) | |
4735 | { | |
4736 | int port = bp->port; | |
4737 | ||
4738 | bp->stats_state = STATS_STATE_DISABLE; | |
4739 | bp->executer_idx = 0; | |
4740 | ||
4741 | bp->old_brb_discard = REG_RD(bp, | |
4742 | NIG_REG_STAT0_BRB_DISCARD + port*0x38); | |
4743 | ||
4744 | memset(&bp->old_bmac, 0, sizeof(struct bmac_stats)); | |
4745 | memset(&bp->old_tclient, 0, sizeof(struct tstorm_per_client_stats)); | |
4746 | memset(&bp->dev->stats, 0, sizeof(struct net_device_stats)); | |
4747 | ||
4748 | REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(port), 1); | |
4749 | REG_WR(bp, BAR_XSTRORM_INTMEM + | |
4750 | XSTORM_STATS_FLAGS_OFFSET(port) + 4, 0); | |
4751 | ||
4752 | REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(port), 1); | |
4753 | REG_WR(bp, BAR_TSTRORM_INTMEM + | |
4754 | TSTORM_STATS_FLAGS_OFFSET(port) + 4, 0); | |
4755 | ||
4756 | REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(port), 0); | |
4757 | REG_WR(bp, BAR_CSTRORM_INTMEM + | |
4758 | CSTORM_STATS_FLAGS_OFFSET(port) + 4, 0); | |
4759 | ||
4760 | REG_WR(bp, BAR_XSTRORM_INTMEM + | |
4761 | XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(port), | |
4762 | U64_LO(bnx2x_sp_mapping(bp, fw_stats))); | |
4763 | REG_WR(bp, BAR_XSTRORM_INTMEM + | |
4764 | XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(port) + 4, | |
4765 | U64_HI(bnx2x_sp_mapping(bp, fw_stats))); | |
4766 | ||
4767 | REG_WR(bp, BAR_TSTRORM_INTMEM + | |
4768 | TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(port), | |
4769 | U64_LO(bnx2x_sp_mapping(bp, fw_stats))); | |
4770 | REG_WR(bp, BAR_TSTRORM_INTMEM + | |
4771 | TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(port) + 4, | |
4772 | U64_HI(bnx2x_sp_mapping(bp, fw_stats))); | |
4773 | } | |
4774 | ||
4775 | static void bnx2x_stop_stats(struct bnx2x *bp) | |
4776 | { | |
4777 | might_sleep(); | |
4778 | if (bp->stats_state != STATS_STATE_DISABLE) { | |
4779 | int timeout = 10; | |
4780 | ||
4781 | bp->stats_state = STATS_STATE_STOP; | |
4782 | DP(BNX2X_MSG_STATS, "stats_state - STOP\n"); | |
4783 | ||
4784 | while (bp->stats_state != STATS_STATE_DISABLE) { | |
4785 | if (!timeout) { | |
c14423fe | 4786 | BNX2X_ERR("timeout waiting for stats stop\n"); |
a2fbb9ea ET |
4787 | break; |
4788 | } | |
4789 | timeout--; | |
4790 | msleep(100); | |
4791 | } | |
4792 | } | |
4793 | DP(BNX2X_MSG_STATS, "stats_state - DISABLE\n"); | |
4794 | } | |
4795 | ||
4796 | /* | |
4797 | * Statistics service functions | |
4798 | */ | |
4799 | ||
4800 | static void bnx2x_update_bmac_stats(struct bnx2x *bp) | |
4801 | { | |
4802 | struct regp diff; | |
4803 | struct regp sum; | |
4804 | struct bmac_stats *new = bnx2x_sp(bp, mac_stats.bmac); | |
4805 | struct bmac_stats *old = &bp->old_bmac; | |
4806 | struct bnx2x_eth_stats *estats = bnx2x_sp(bp, eth_stats); | |
4807 | ||
4808 | sum.hi = 0; | |
4809 | sum.lo = 0; | |
4810 | ||
4811 | UPDATE_STAT64(tx_gtbyt.hi, total_bytes_transmitted_hi, | |
4812 | tx_gtbyt.lo, total_bytes_transmitted_lo); | |
4813 | ||
4814 | UPDATE_STAT64(tx_gtmca.hi, total_multicast_packets_transmitted_hi, | |
4815 | tx_gtmca.lo, total_multicast_packets_transmitted_lo); | |
4816 | ADD_64(sum.hi, diff.hi, sum.lo, diff.lo); | |
4817 | ||
4818 | UPDATE_STAT64(tx_gtgca.hi, total_broadcast_packets_transmitted_hi, | |
4819 | tx_gtgca.lo, total_broadcast_packets_transmitted_lo); | |
4820 | ADD_64(sum.hi, diff.hi, sum.lo, diff.lo); | |
4821 | ||
4822 | UPDATE_STAT64(tx_gtpkt.hi, total_unicast_packets_transmitted_hi, | |
4823 | tx_gtpkt.lo, total_unicast_packets_transmitted_lo); | |
4824 | SUB_64(estats->total_unicast_packets_transmitted_hi, sum.hi, | |
4825 | estats->total_unicast_packets_transmitted_lo, sum.lo); | |
4826 | ||
4827 | UPDATE_STAT(tx_gtxpf.lo, pause_xoff_frames_transmitted); | |
4828 | UPDATE_STAT(tx_gt64.lo, frames_transmitted_64_bytes); | |
4829 | UPDATE_STAT(tx_gt127.lo, frames_transmitted_65_127_bytes); | |
4830 | UPDATE_STAT(tx_gt255.lo, frames_transmitted_128_255_bytes); | |
4831 | UPDATE_STAT(tx_gt511.lo, frames_transmitted_256_511_bytes); | |
4832 | UPDATE_STAT(tx_gt1023.lo, frames_transmitted_512_1023_bytes); | |
4833 | UPDATE_STAT(tx_gt1518.lo, frames_transmitted_1024_1522_bytes); | |
4834 | UPDATE_STAT(tx_gt2047.lo, frames_transmitted_1523_9022_bytes); | |
4835 | UPDATE_STAT(tx_gt4095.lo, frames_transmitted_1523_9022_bytes); | |
4836 | UPDATE_STAT(tx_gt9216.lo, frames_transmitted_1523_9022_bytes); | |
4837 | UPDATE_STAT(tx_gt16383.lo, frames_transmitted_1523_9022_bytes); | |
4838 | ||
4839 | UPDATE_STAT(rx_grfcs.lo, crc_receive_errors); | |
4840 | UPDATE_STAT(rx_grund.lo, runt_packets_received); | |
4841 | UPDATE_STAT(rx_grovr.lo, stat_Dot3statsFramesTooLong); | |
4842 | UPDATE_STAT(rx_grxpf.lo, pause_xoff_frames_received); | |
4843 | UPDATE_STAT(rx_grxcf.lo, control_frames_received); | |
4844 | /* UPDATE_STAT(rx_grxpf.lo, control_frames_received); */ | |
4845 | UPDATE_STAT(rx_grfrg.lo, error_runt_packets_received); | |
4846 | UPDATE_STAT(rx_grjbr.lo, error_jabber_packets_received); | |
4847 | ||
4848 | UPDATE_STAT64(rx_grerb.hi, stat_IfHCInBadOctets_hi, | |
4849 | rx_grerb.lo, stat_IfHCInBadOctets_lo); | |
4850 | UPDATE_STAT64(tx_gtufl.hi, stat_IfHCOutBadOctets_hi, | |
4851 | tx_gtufl.lo, stat_IfHCOutBadOctets_lo); | |
4852 | UPDATE_STAT(tx_gterr.lo, stat_Dot3statsInternalMacTransmitErrors); | |
4853 | /* UPDATE_STAT(rx_grxpf.lo, stat_XoffStateEntered); */ | |
4854 | estats->stat_XoffStateEntered = estats->pause_xoff_frames_received; | |
4855 | } | |
4856 | ||
4857 | static void bnx2x_update_emac_stats(struct bnx2x *bp) | |
4858 | { | |
4859 | struct emac_stats *new = bnx2x_sp(bp, mac_stats.emac); | |
4860 | struct bnx2x_eth_stats *estats = bnx2x_sp(bp, eth_stats); | |
4861 | ||
4862 | UPDATE_EXTEND_STAT(tx_ifhcoutoctets, total_bytes_transmitted_hi, | |
4863 | total_bytes_transmitted_lo); | |
4864 | UPDATE_EXTEND_STAT(tx_ifhcoutucastpkts, | |
4865 | total_unicast_packets_transmitted_hi, | |
4866 | total_unicast_packets_transmitted_lo); | |
4867 | UPDATE_EXTEND_STAT(tx_ifhcoutmulticastpkts, | |
4868 | total_multicast_packets_transmitted_hi, | |
4869 | total_multicast_packets_transmitted_lo); | |
4870 | UPDATE_EXTEND_STAT(tx_ifhcoutbroadcastpkts, | |
4871 | total_broadcast_packets_transmitted_hi, | |
4872 | total_broadcast_packets_transmitted_lo); | |
4873 | ||
4874 | estats->pause_xon_frames_transmitted += new->tx_outxonsent; | |
4875 | estats->pause_xoff_frames_transmitted += new->tx_outxoffsent; | |
4876 | estats->single_collision_transmit_frames += | |
4877 | new->tx_dot3statssinglecollisionframes; | |
4878 | estats->multiple_collision_transmit_frames += | |
4879 | new->tx_dot3statsmultiplecollisionframes; | |
4880 | estats->late_collision_frames += new->tx_dot3statslatecollisions; | |
4881 | estats->excessive_collision_frames += | |
4882 | new->tx_dot3statsexcessivecollisions; | |
4883 | estats->frames_transmitted_64_bytes += new->tx_etherstatspkts64octets; | |
4884 | estats->frames_transmitted_65_127_bytes += | |
4885 | new->tx_etherstatspkts65octetsto127octets; | |
4886 | estats->frames_transmitted_128_255_bytes += | |
4887 | new->tx_etherstatspkts128octetsto255octets; | |
4888 | estats->frames_transmitted_256_511_bytes += | |
4889 | new->tx_etherstatspkts256octetsto511octets; | |
4890 | estats->frames_transmitted_512_1023_bytes += | |
4891 | new->tx_etherstatspkts512octetsto1023octets; | |
4892 | estats->frames_transmitted_1024_1522_bytes += | |
4893 | new->tx_etherstatspkts1024octetsto1522octet; | |
4894 | estats->frames_transmitted_1523_9022_bytes += | |
4895 | new->tx_etherstatspktsover1522octets; | |
4896 | ||
4897 | estats->crc_receive_errors += new->rx_dot3statsfcserrors; | |
4898 | estats->alignment_errors += new->rx_dot3statsalignmenterrors; | |
4899 | estats->false_carrier_detections += new->rx_falsecarriererrors; | |
4900 | estats->runt_packets_received += new->rx_etherstatsundersizepkts; | |
4901 | estats->stat_Dot3statsFramesTooLong += new->rx_dot3statsframestoolong; | |
4902 | estats->pause_xon_frames_received += new->rx_xonpauseframesreceived; | |
4903 | estats->pause_xoff_frames_received += new->rx_xoffpauseframesreceived; | |
4904 | estats->control_frames_received += new->rx_maccontrolframesreceived; | |
4905 | estats->error_runt_packets_received += new->rx_etherstatsfragments; | |
4906 | estats->error_jabber_packets_received += new->rx_etherstatsjabbers; | |
4907 | ||
4908 | UPDATE_EXTEND_STAT(rx_ifhcinbadoctets, stat_IfHCInBadOctets_hi, | |
4909 | stat_IfHCInBadOctets_lo); | |
4910 | UPDATE_EXTEND_STAT(tx_ifhcoutbadoctets, stat_IfHCOutBadOctets_hi, | |
4911 | stat_IfHCOutBadOctets_lo); | |
4912 | estats->stat_Dot3statsInternalMacTransmitErrors += | |
4913 | new->tx_dot3statsinternalmactransmiterrors; | |
4914 | estats->stat_Dot3StatsCarrierSenseErrors += | |
4915 | new->rx_dot3statscarriersenseerrors; | |
4916 | estats->stat_Dot3StatsDeferredTransmissions += | |
4917 | new->tx_dot3statsdeferredtransmissions; | |
4918 | estats->stat_FlowControlDone += new->tx_flowcontroldone; | |
4919 | estats->stat_XoffStateEntered += new->rx_xoffstateentered; | |
4920 | } | |
4921 | ||
4922 | static int bnx2x_update_storm_stats(struct bnx2x *bp) | |
4923 | { | |
4924 | struct eth_stats_query *stats = bnx2x_sp(bp, fw_stats); | |
4925 | struct tstorm_common_stats *tstats = &stats->tstorm_common; | |
4926 | struct tstorm_per_client_stats *tclient = | |
4927 | &tstats->client_statistics[0]; | |
4928 | struct tstorm_per_client_stats *old_tclient = &bp->old_tclient; | |
4929 | struct xstorm_common_stats *xstats = &stats->xstorm_common; | |
4930 | struct nig_stats *nstats = bnx2x_sp(bp, nig); | |
4931 | struct bnx2x_eth_stats *estats = bnx2x_sp(bp, eth_stats); | |
4932 | u32 diff; | |
4933 | ||
4934 | /* are DMAE stats valid? */ | |
4935 | if (nstats->done != 0xffffffff) { | |
4936 | DP(BNX2X_MSG_STATS, "stats not updated by dmae\n"); | |
4937 | return -1; | |
4938 | } | |
4939 | ||
4940 | /* are storm stats valid? */ | |
4941 | if (tstats->done.hi != 0xffffffff) { | |
4942 | DP(BNX2X_MSG_STATS, "stats not updated by tstorm\n"); | |
4943 | return -2; | |
4944 | } | |
4945 | if (xstats->done.hi != 0xffffffff) { | |
4946 | DP(BNX2X_MSG_STATS, "stats not updated by xstorm\n"); | |
4947 | return -3; | |
4948 | } | |
4949 | ||
4950 | estats->total_bytes_received_hi = | |
4951 | estats->valid_bytes_received_hi = | |
4952 | le32_to_cpu(tclient->total_rcv_bytes.hi); | |
4953 | estats->total_bytes_received_lo = | |
4954 | estats->valid_bytes_received_lo = | |
4955 | le32_to_cpu(tclient->total_rcv_bytes.lo); | |
4956 | ADD_64(estats->total_bytes_received_hi, | |
4957 | le32_to_cpu(tclient->rcv_error_bytes.hi), | |
4958 | estats->total_bytes_received_lo, | |
4959 | le32_to_cpu(tclient->rcv_error_bytes.lo)); | |
4960 | ||
4961 | UPDATE_EXTEND_TSTAT(rcv_unicast_pkts, | |
4962 | total_unicast_packets_received_hi, | |
4963 | total_unicast_packets_received_lo); | |
4964 | UPDATE_EXTEND_TSTAT(rcv_multicast_pkts, | |
4965 | total_multicast_packets_received_hi, | |
4966 | total_multicast_packets_received_lo); | |
4967 | UPDATE_EXTEND_TSTAT(rcv_broadcast_pkts, | |
4968 | total_broadcast_packets_received_hi, | |
4969 | total_broadcast_packets_received_lo); | |
4970 | ||
4971 | estats->frames_received_64_bytes = MAC_STX_NA; | |
4972 | estats->frames_received_65_127_bytes = MAC_STX_NA; | |
4973 | estats->frames_received_128_255_bytes = MAC_STX_NA; | |
4974 | estats->frames_received_256_511_bytes = MAC_STX_NA; | |
4975 | estats->frames_received_512_1023_bytes = MAC_STX_NA; | |
4976 | estats->frames_received_1024_1522_bytes = MAC_STX_NA; | |
4977 | estats->frames_received_1523_9022_bytes = MAC_STX_NA; | |
4978 | ||
4979 | estats->x_total_sent_bytes_hi = | |
4980 | le32_to_cpu(xstats->total_sent_bytes.hi); | |
4981 | estats->x_total_sent_bytes_lo = | |
4982 | le32_to_cpu(xstats->total_sent_bytes.lo); | |
4983 | estats->x_total_sent_pkts = le32_to_cpu(xstats->total_sent_pkts); | |
4984 | ||
4985 | estats->t_rcv_unicast_bytes_hi = | |
4986 | le32_to_cpu(tclient->rcv_unicast_bytes.hi); | |
4987 | estats->t_rcv_unicast_bytes_lo = | |
4988 | le32_to_cpu(tclient->rcv_unicast_bytes.lo); | |
4989 | estats->t_rcv_broadcast_bytes_hi = | |
4990 | le32_to_cpu(tclient->rcv_broadcast_bytes.hi); | |
4991 | estats->t_rcv_broadcast_bytes_lo = | |
4992 | le32_to_cpu(tclient->rcv_broadcast_bytes.lo); | |
4993 | estats->t_rcv_multicast_bytes_hi = | |
4994 | le32_to_cpu(tclient->rcv_multicast_bytes.hi); | |
4995 | estats->t_rcv_multicast_bytes_lo = | |
4996 | le32_to_cpu(tclient->rcv_multicast_bytes.lo); | |
4997 | estats->t_total_rcv_pkt = le32_to_cpu(tclient->total_rcv_pkts); | |
4998 | ||
4999 | estats->checksum_discard = le32_to_cpu(tclient->checksum_discard); | |
5000 | estats->packets_too_big_discard = | |
5001 | le32_to_cpu(tclient->packets_too_big_discard); | |
5002 | estats->jabber_packets_received = estats->packets_too_big_discard + | |
5003 | estats->stat_Dot3statsFramesTooLong; | |
5004 | estats->no_buff_discard = le32_to_cpu(tclient->no_buff_discard); | |
5005 | estats->ttl0_discard = le32_to_cpu(tclient->ttl0_discard); | |
5006 | estats->mac_discard = le32_to_cpu(tclient->mac_discard); | |
5007 | estats->mac_filter_discard = le32_to_cpu(tstats->mac_filter_discard); | |
5008 | estats->xxoverflow_discard = le32_to_cpu(tstats->xxoverflow_discard); | |
5009 | estats->brb_truncate_discard = | |
5010 | le32_to_cpu(tstats->brb_truncate_discard); | |
5011 | ||
5012 | estats->brb_discard += nstats->brb_discard - bp->old_brb_discard; | |
5013 | bp->old_brb_discard = nstats->brb_discard; | |
5014 | ||
5015 | estats->brb_packet = nstats->brb_packet; | |
5016 | estats->brb_truncate = nstats->brb_truncate; | |
5017 | estats->flow_ctrl_discard = nstats->flow_ctrl_discard; | |
5018 | estats->flow_ctrl_octets = nstats->flow_ctrl_octets; | |
5019 | estats->flow_ctrl_packet = nstats->flow_ctrl_packet; | |
5020 | estats->mng_discard = nstats->mng_discard; | |
5021 | estats->mng_octet_inp = nstats->mng_octet_inp; | |
5022 | estats->mng_octet_out = nstats->mng_octet_out; | |
5023 | estats->mng_packet_inp = nstats->mng_packet_inp; | |
5024 | estats->mng_packet_out = nstats->mng_packet_out; | |
5025 | estats->pbf_octets = nstats->pbf_octets; | |
5026 | estats->pbf_packet = nstats->pbf_packet; | |
5027 | estats->safc_inp = nstats->safc_inp; | |
5028 | ||
5029 | xstats->done.hi = 0; | |
5030 | tstats->done.hi = 0; | |
5031 | nstats->done = 0; | |
5032 | ||
5033 | return 0; | |
5034 | } | |
5035 | ||
5036 | static void bnx2x_update_net_stats(struct bnx2x *bp) | |
5037 | { | |
5038 | struct bnx2x_eth_stats *estats = bnx2x_sp(bp, eth_stats); | |
5039 | struct net_device_stats *nstats = &bp->dev->stats; | |
5040 | ||
5041 | nstats->rx_packets = | |
5042 | bnx2x_hilo(&estats->total_unicast_packets_received_hi) + | |
5043 | bnx2x_hilo(&estats->total_multicast_packets_received_hi) + | |
5044 | bnx2x_hilo(&estats->total_broadcast_packets_received_hi); | |
5045 | ||
5046 | nstats->tx_packets = | |
5047 | bnx2x_hilo(&estats->total_unicast_packets_transmitted_hi) + | |
5048 | bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi) + | |
5049 | bnx2x_hilo(&estats->total_broadcast_packets_transmitted_hi); | |
5050 | ||
5051 | nstats->rx_bytes = bnx2x_hilo(&estats->total_bytes_received_hi); | |
5052 | ||
0e39e645 | 5053 | nstats->tx_bytes = bnx2x_hilo(&estats->total_bytes_transmitted_hi); |
a2fbb9ea | 5054 | |
0e39e645 | 5055 | nstats->rx_dropped = estats->checksum_discard + estats->mac_discard; |
a2fbb9ea ET |
5056 | nstats->tx_dropped = 0; |
5057 | ||
5058 | nstats->multicast = | |
5059 | bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi); | |
5060 | ||
0e39e645 ET |
5061 | nstats->collisions = estats->single_collision_transmit_frames + |
5062 | estats->multiple_collision_transmit_frames + | |
5063 | estats->late_collision_frames + | |
5064 | estats->excessive_collision_frames; | |
a2fbb9ea ET |
5065 | |
5066 | nstats->rx_length_errors = estats->runt_packets_received + | |
5067 | estats->jabber_packets_received; | |
0e39e645 ET |
5068 | nstats->rx_over_errors = estats->brb_discard + |
5069 | estats->brb_truncate_discard; | |
a2fbb9ea ET |
5070 | nstats->rx_crc_errors = estats->crc_receive_errors; |
5071 | nstats->rx_frame_errors = estats->alignment_errors; | |
0e39e645 | 5072 | nstats->rx_fifo_errors = estats->no_buff_discard; |
a2fbb9ea ET |
5073 | nstats->rx_missed_errors = estats->xxoverflow_discard; |
5074 | ||
5075 | nstats->rx_errors = nstats->rx_length_errors + | |
5076 | nstats->rx_over_errors + | |
5077 | nstats->rx_crc_errors + | |
5078 | nstats->rx_frame_errors + | |
0e39e645 ET |
5079 | nstats->rx_fifo_errors + |
5080 | nstats->rx_missed_errors; | |
a2fbb9ea ET |
5081 | |
5082 | nstats->tx_aborted_errors = estats->late_collision_frames + | |
0e39e645 | 5083 | estats->excessive_collision_frames; |
a2fbb9ea ET |
5084 | nstats->tx_carrier_errors = estats->false_carrier_detections; |
5085 | nstats->tx_fifo_errors = 0; | |
5086 | nstats->tx_heartbeat_errors = 0; | |
5087 | nstats->tx_window_errors = 0; | |
5088 | ||
5089 | nstats->tx_errors = nstats->tx_aborted_errors + | |
5090 | nstats->tx_carrier_errors; | |
5091 | ||
5092 | estats->mac_stx_start = ++estats->mac_stx_end; | |
5093 | } | |
5094 | ||
5095 | static void bnx2x_update_stats(struct bnx2x *bp) | |
5096 | { | |
5097 | int i; | |
5098 | ||
5099 | if (!bnx2x_update_storm_stats(bp)) { | |
5100 | ||
5101 | if (bp->phy_flags & PHY_BMAC_FLAG) { | |
5102 | bnx2x_update_bmac_stats(bp); | |
5103 | ||
5104 | } else if (bp->phy_flags & PHY_EMAC_FLAG) { | |
5105 | bnx2x_update_emac_stats(bp); | |
5106 | ||
5107 | } else { /* unreached */ | |
5108 | BNX2X_ERR("no MAC active\n"); | |
5109 | return; | |
5110 | } | |
5111 | ||
5112 | bnx2x_update_net_stats(bp); | |
5113 | } | |
5114 | ||
5115 | if (bp->msglevel & NETIF_MSG_TIMER) { | |
5116 | struct bnx2x_eth_stats *estats = bnx2x_sp(bp, eth_stats); | |
5117 | struct net_device_stats *nstats = &bp->dev->stats; | |
5118 | ||
5119 | printk(KERN_DEBUG "%s:\n", bp->dev->name); | |
5120 | printk(KERN_DEBUG " tx avail (%4x) tx hc idx (%x)" | |
5121 | " tx pkt (%lx)\n", | |
5122 | bnx2x_tx_avail(bp->fp), | |
5123 | *bp->fp->tx_cons_sb, nstats->tx_packets); | |
5124 | printk(KERN_DEBUG " rx usage (%4x) rx hc idx (%x)" | |
5125 | " rx pkt (%lx)\n", | |
5126 | (u16)(*bp->fp->rx_cons_sb - bp->fp->rx_comp_cons), | |
5127 | *bp->fp->rx_cons_sb, nstats->rx_packets); | |
5128 | printk(KERN_DEBUG " %s (Xoff events %u) brb drops %u\n", | |
5129 | netif_queue_stopped(bp->dev)? "Xoff" : "Xon", | |
5130 | estats->driver_xoff, estats->brb_discard); | |
5131 | printk(KERN_DEBUG "tstats: checksum_discard %u " | |
5132 | "packets_too_big_discard %u no_buff_discard %u " | |
5133 | "mac_discard %u mac_filter_discard %u " | |
5134 | "xxovrflow_discard %u brb_truncate_discard %u " | |
5135 | "ttl0_discard %u\n", | |
5136 | estats->checksum_discard, | |
5137 | estats->packets_too_big_discard, | |
5138 | estats->no_buff_discard, estats->mac_discard, | |
5139 | estats->mac_filter_discard, estats->xxoverflow_discard, | |
5140 | estats->brb_truncate_discard, estats->ttl0_discard); | |
5141 | ||
5142 | for_each_queue(bp, i) { | |
5143 | printk(KERN_DEBUG "[%d]: %lu\t%lu\t%lu\n", i, | |
5144 | bnx2x_fp(bp, i, tx_pkt), | |
5145 | bnx2x_fp(bp, i, rx_pkt), | |
5146 | bnx2x_fp(bp, i, rx_calls)); | |
5147 | } | |
5148 | } | |
5149 | ||
5150 | if (bp->state != BNX2X_STATE_OPEN) { | |
5151 | DP(BNX2X_MSG_STATS, "state is %x, returning\n", bp->state); | |
5152 | return; | |
5153 | } | |
5154 | ||
5155 | #ifdef BNX2X_STOP_ON_ERROR | |
5156 | if (unlikely(bp->panic)) | |
5157 | return; | |
5158 | #endif | |
5159 | ||
5160 | /* loader */ | |
5161 | if (bp->executer_idx) { | |
5162 | struct dmae_command *dmae = &bp->dmae; | |
5163 | int port = bp->port; | |
5164 | int loader_idx = port * 8; | |
5165 | ||
5166 | memset(dmae, 0, sizeof(struct dmae_command)); | |
5167 | ||
5168 | dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC | | |
5169 | DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE | | |
5170 | DMAE_CMD_DST_RESET | | |
5171 | #ifdef __BIG_ENDIAN | |
5172 | DMAE_CMD_ENDIANITY_B_DW_SWAP | | |
5173 | #else | |
5174 | DMAE_CMD_ENDIANITY_DW_SWAP | | |
5175 | #endif | |
5176 | (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0)); | |
5177 | dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, dmae[0])); | |
5178 | dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, dmae[0])); | |
5179 | dmae->dst_addr_lo = (DMAE_REG_CMD_MEM + | |
5180 | sizeof(struct dmae_command) * | |
5181 | (loader_idx + 1)) >> 2; | |
5182 | dmae->dst_addr_hi = 0; | |
5183 | dmae->len = sizeof(struct dmae_command) >> 2; | |
5184 | dmae->len--; /* !!! for A0/1 only */ | |
5185 | dmae->comp_addr_lo = dmae_reg_go_c[loader_idx + 1] >> 2; | |
5186 | dmae->comp_addr_hi = 0; | |
5187 | dmae->comp_val = 1; | |
5188 | ||
5189 | bnx2x_post_dmae(bp, dmae, loader_idx); | |
5190 | } | |
5191 | ||
5192 | if (bp->stats_state != STATS_STATE_ENABLE) { | |
5193 | bp->stats_state = STATS_STATE_DISABLE; | |
5194 | return; | |
5195 | } | |
5196 | ||
5197 | if (bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_STAT_QUERY, 0, 0, 0, 0) == 0) { | |
5198 | /* stats ramrod has it's own slot on the spe */ | |
5199 | bp->spq_left++; | |
5200 | bp->stat_pending = 1; | |
5201 | } | |
5202 | } | |
5203 | ||
5204 | static void bnx2x_timer(unsigned long data) | |
5205 | { | |
5206 | struct bnx2x *bp = (struct bnx2x *) data; | |
5207 | ||
5208 | if (!netif_running(bp->dev)) | |
5209 | return; | |
5210 | ||
5211 | if (atomic_read(&bp->intr_sem) != 0) | |
f1410647 | 5212 | goto timer_restart; |
a2fbb9ea ET |
5213 | |
5214 | if (poll) { | |
5215 | struct bnx2x_fastpath *fp = &bp->fp[0]; | |
5216 | int rc; | |
5217 | ||
5218 | bnx2x_tx_int(fp, 1000); | |
5219 | rc = bnx2x_rx_int(fp, 1000); | |
5220 | } | |
5221 | ||
f1410647 | 5222 | if (!nomcp) { |
a2fbb9ea ET |
5223 | int port = bp->port; |
5224 | u32 drv_pulse; | |
5225 | u32 mcp_pulse; | |
5226 | ||
5227 | ++bp->fw_drv_pulse_wr_seq; | |
5228 | bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK; | |
5229 | /* TBD - add SYSTEM_TIME */ | |
5230 | drv_pulse = bp->fw_drv_pulse_wr_seq; | |
f1410647 | 5231 | SHMEM_WR(bp, func_mb[port].drv_pulse_mb, drv_pulse); |
a2fbb9ea | 5232 | |
f1410647 | 5233 | mcp_pulse = (SHMEM_RD(bp, func_mb[port].mcp_pulse_mb) & |
a2fbb9ea ET |
5234 | MCP_PULSE_SEQ_MASK); |
5235 | /* The delta between driver pulse and mcp response | |
5236 | * should be 1 (before mcp response) or 0 (after mcp response) | |
5237 | */ | |
5238 | if ((drv_pulse != mcp_pulse) && | |
5239 | (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) { | |
5240 | /* someone lost a heartbeat... */ | |
5241 | BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n", | |
5242 | drv_pulse, mcp_pulse); | |
5243 | } | |
5244 | } | |
5245 | ||
5246 | if (bp->stats_state == STATS_STATE_DISABLE) | |
f1410647 | 5247 | goto timer_restart; |
a2fbb9ea ET |
5248 | |
5249 | bnx2x_update_stats(bp); | |
5250 | ||
f1410647 | 5251 | timer_restart: |
a2fbb9ea ET |
5252 | mod_timer(&bp->timer, jiffies + bp->current_interval); |
5253 | } | |
5254 | ||
5255 | /* end of Statistics */ | |
5256 | ||
5257 | /* nic init */ | |
5258 | ||
5259 | /* | |
5260 | * nic init service functions | |
5261 | */ | |
5262 | ||
5263 | static void bnx2x_init_sb(struct bnx2x *bp, struct host_status_block *sb, | |
5264 | dma_addr_t mapping, int id) | |
5265 | { | |
5266 | int port = bp->port; | |
5267 | u64 section; | |
5268 | int index; | |
5269 | ||
5270 | /* USTORM */ | |
5271 | section = ((u64)mapping) + offsetof(struct host_status_block, | |
5272 | u_status_block); | |
5273 | sb->u_status_block.status_block_id = id; | |
5274 | ||
5275 | REG_WR(bp, BAR_USTRORM_INTMEM + | |
5276 | USTORM_SB_HOST_SB_ADDR_OFFSET(port, id), U64_LO(section)); | |
5277 | REG_WR(bp, BAR_USTRORM_INTMEM + | |
5278 | ((USTORM_SB_HOST_SB_ADDR_OFFSET(port, id)) + 4), | |
5279 | U64_HI(section)); | |
5280 | ||
5281 | for (index = 0; index < HC_USTORM_SB_NUM_INDICES; index++) | |
5282 | REG_WR16(bp, BAR_USTRORM_INTMEM + | |
5283 | USTORM_SB_HC_DISABLE_OFFSET(port, id, index), 0x1); | |
5284 | ||
5285 | /* CSTORM */ | |
5286 | section = ((u64)mapping) + offsetof(struct host_status_block, | |
5287 | c_status_block); | |
5288 | sb->c_status_block.status_block_id = id; | |
5289 | ||
5290 | REG_WR(bp, BAR_CSTRORM_INTMEM + | |
5291 | CSTORM_SB_HOST_SB_ADDR_OFFSET(port, id), U64_LO(section)); | |
5292 | REG_WR(bp, BAR_CSTRORM_INTMEM + | |
5293 | ((CSTORM_SB_HOST_SB_ADDR_OFFSET(port, id)) + 4), | |
5294 | U64_HI(section)); | |
5295 | ||
5296 | for (index = 0; index < HC_CSTORM_SB_NUM_INDICES; index++) | |
5297 | REG_WR16(bp, BAR_CSTRORM_INTMEM + | |
5298 | CSTORM_SB_HC_DISABLE_OFFSET(port, id, index), 0x1); | |
5299 | ||
5300 | bnx2x_ack_sb(bp, id, CSTORM_ID, 0, IGU_INT_ENABLE, 0); | |
5301 | } | |
5302 | ||
5303 | static void bnx2x_init_def_sb(struct bnx2x *bp, | |
5304 | struct host_def_status_block *def_sb, | |
5305 | dma_addr_t mapping, int id) | |
5306 | { | |
5307 | int port = bp->port; | |
5308 | int index, val, reg_offset; | |
5309 | u64 section; | |
5310 | ||
5311 | /* ATTN */ | |
5312 | section = ((u64)mapping) + offsetof(struct host_def_status_block, | |
5313 | atten_status_block); | |
5314 | def_sb->atten_status_block.status_block_id = id; | |
5315 | ||
49d66772 ET |
5316 | bp->def_att_idx = 0; |
5317 | bp->attn_state = 0; | |
5318 | ||
a2fbb9ea ET |
5319 | reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 : |
5320 | MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0); | |
5321 | ||
5322 | for (index = 0; index < 3; index++) { | |
5323 | bp->attn_group[index].sig[0] = REG_RD(bp, | |
5324 | reg_offset + 0x10*index); | |
5325 | bp->attn_group[index].sig[1] = REG_RD(bp, | |
5326 | reg_offset + 0x4 + 0x10*index); | |
5327 | bp->attn_group[index].sig[2] = REG_RD(bp, | |
5328 | reg_offset + 0x8 + 0x10*index); | |
5329 | bp->attn_group[index].sig[3] = REG_RD(bp, | |
5330 | reg_offset + 0xc + 0x10*index); | |
5331 | } | |
5332 | ||
5333 | bp->aeu_mask = REG_RD(bp, (port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 : | |
5334 | MISC_REG_AEU_MASK_ATTN_FUNC_0)); | |
5335 | ||
5336 | reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L : | |
5337 | HC_REG_ATTN_MSG0_ADDR_L); | |
5338 | ||
5339 | REG_WR(bp, reg_offset, U64_LO(section)); | |
5340 | REG_WR(bp, reg_offset + 4, U64_HI(section)); | |
5341 | ||
5342 | reg_offset = (port ? HC_REG_ATTN_NUM_P1 : HC_REG_ATTN_NUM_P0); | |
5343 | ||
5344 | val = REG_RD(bp, reg_offset); | |
5345 | val |= id; | |
5346 | REG_WR(bp, reg_offset, val); | |
5347 | ||
5348 | /* USTORM */ | |
5349 | section = ((u64)mapping) + offsetof(struct host_def_status_block, | |
5350 | u_def_status_block); | |
5351 | def_sb->u_def_status_block.status_block_id = id; | |
5352 | ||
49d66772 ET |
5353 | bp->def_u_idx = 0; |
5354 | ||
a2fbb9ea ET |
5355 | REG_WR(bp, BAR_USTRORM_INTMEM + |
5356 | USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(port), U64_LO(section)); | |
5357 | REG_WR(bp, BAR_USTRORM_INTMEM + | |
5358 | ((USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(port)) + 4), | |
5359 | U64_HI(section)); | |
5360 | REG_WR(bp, BAR_USTRORM_INTMEM + USTORM_HC_BTR_OFFSET(port), | |
5361 | BNX2X_BTR); | |
5362 | ||
5363 | for (index = 0; index < HC_USTORM_DEF_SB_NUM_INDICES; index++) | |
5364 | REG_WR16(bp, BAR_USTRORM_INTMEM + | |
5365 | USTORM_DEF_SB_HC_DISABLE_OFFSET(port, index), 0x1); | |
5366 | ||
5367 | /* CSTORM */ | |
5368 | section = ((u64)mapping) + offsetof(struct host_def_status_block, | |
5369 | c_def_status_block); | |
5370 | def_sb->c_def_status_block.status_block_id = id; | |
5371 | ||
49d66772 ET |
5372 | bp->def_c_idx = 0; |
5373 | ||
a2fbb9ea ET |
5374 | REG_WR(bp, BAR_CSTRORM_INTMEM + |
5375 | CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(port), U64_LO(section)); | |
5376 | REG_WR(bp, BAR_CSTRORM_INTMEM + | |
5377 | ((CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(port)) + 4), | |
5378 | U64_HI(section)); | |
5379 | REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_HC_BTR_OFFSET(port), | |
5380 | BNX2X_BTR); | |
5381 | ||
5382 | for (index = 0; index < HC_CSTORM_DEF_SB_NUM_INDICES; index++) | |
5383 | REG_WR16(bp, BAR_CSTRORM_INTMEM + | |
5384 | CSTORM_DEF_SB_HC_DISABLE_OFFSET(port, index), 0x1); | |
5385 | ||
5386 | /* TSTORM */ | |
5387 | section = ((u64)mapping) + offsetof(struct host_def_status_block, | |
5388 | t_def_status_block); | |
5389 | def_sb->t_def_status_block.status_block_id = id; | |
5390 | ||
49d66772 ET |
5391 | bp->def_t_idx = 0; |
5392 | ||
a2fbb9ea ET |
5393 | REG_WR(bp, BAR_TSTRORM_INTMEM + |
5394 | TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(port), U64_LO(section)); | |
5395 | REG_WR(bp, BAR_TSTRORM_INTMEM + | |
5396 | ((TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(port)) + 4), | |
5397 | U64_HI(section)); | |
5398 | REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_HC_BTR_OFFSET(port), | |
5399 | BNX2X_BTR); | |
5400 | ||
5401 | for (index = 0; index < HC_TSTORM_DEF_SB_NUM_INDICES; index++) | |
5402 | REG_WR16(bp, BAR_TSTRORM_INTMEM + | |
5403 | TSTORM_DEF_SB_HC_DISABLE_OFFSET(port, index), 0x1); | |
5404 | ||
5405 | /* XSTORM */ | |
5406 | section = ((u64)mapping) + offsetof(struct host_def_status_block, | |
5407 | x_def_status_block); | |
5408 | def_sb->x_def_status_block.status_block_id = id; | |
5409 | ||
49d66772 ET |
5410 | bp->def_x_idx = 0; |
5411 | ||
a2fbb9ea ET |
5412 | REG_WR(bp, BAR_XSTRORM_INTMEM + |
5413 | XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(port), U64_LO(section)); | |
5414 | REG_WR(bp, BAR_XSTRORM_INTMEM + | |
5415 | ((XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(port)) + 4), | |
5416 | U64_HI(section)); | |
5417 | REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_HC_BTR_OFFSET(port), | |
5418 | BNX2X_BTR); | |
5419 | ||
5420 | for (index = 0; index < HC_XSTORM_DEF_SB_NUM_INDICES; index++) | |
5421 | REG_WR16(bp, BAR_XSTRORM_INTMEM + | |
5422 | XSTORM_DEF_SB_HC_DISABLE_OFFSET(port, index), 0x1); | |
5423 | ||
49d66772 ET |
5424 | bp->stat_pending = 0; |
5425 | ||
a2fbb9ea ET |
5426 | bnx2x_ack_sb(bp, id, CSTORM_ID, 0, IGU_INT_ENABLE, 0); |
5427 | } | |
5428 | ||
5429 | static void bnx2x_update_coalesce(struct bnx2x *bp) | |
5430 | { | |
5431 | int port = bp->port; | |
5432 | int i; | |
5433 | ||
5434 | for_each_queue(bp, i) { | |
5435 | ||
5436 | /* HC_INDEX_U_ETH_RX_CQ_CONS */ | |
5437 | REG_WR8(bp, BAR_USTRORM_INTMEM + | |
5438 | USTORM_SB_HC_TIMEOUT_OFFSET(port, i, | |
5439 | HC_INDEX_U_ETH_RX_CQ_CONS), | |
5440 | bp->rx_ticks_int/12); | |
5441 | REG_WR16(bp, BAR_USTRORM_INTMEM + | |
5442 | USTORM_SB_HC_DISABLE_OFFSET(port, i, | |
5443 | HC_INDEX_U_ETH_RX_CQ_CONS), | |
5444 | bp->rx_ticks_int ? 0 : 1); | |
5445 | ||
5446 | /* HC_INDEX_C_ETH_TX_CQ_CONS */ | |
5447 | REG_WR8(bp, BAR_CSTRORM_INTMEM + | |
5448 | CSTORM_SB_HC_TIMEOUT_OFFSET(port, i, | |
5449 | HC_INDEX_C_ETH_TX_CQ_CONS), | |
5450 | bp->tx_ticks_int/12); | |
5451 | REG_WR16(bp, BAR_CSTRORM_INTMEM + | |
5452 | CSTORM_SB_HC_DISABLE_OFFSET(port, i, | |
5453 | HC_INDEX_C_ETH_TX_CQ_CONS), | |
5454 | bp->tx_ticks_int ? 0 : 1); | |
5455 | } | |
5456 | } | |
5457 | ||
5458 | static void bnx2x_init_rx_rings(struct bnx2x *bp) | |
5459 | { | |
5460 | u16 ring_prod; | |
5461 | int i, j; | |
5462 | int port = bp->port; | |
5463 | ||
5464 | bp->rx_buf_use_size = bp->dev->mtu; | |
5465 | ||
5466 | bp->rx_buf_use_size += bp->rx_offset + ETH_OVREHEAD; | |
5467 | bp->rx_buf_size = bp->rx_buf_use_size + 64; | |
5468 | ||
5469 | for_each_queue(bp, j) { | |
5470 | struct bnx2x_fastpath *fp = &bp->fp[j]; | |
5471 | ||
5472 | fp->rx_bd_cons = 0; | |
5473 | fp->rx_cons_sb = BNX2X_RX_SB_INDEX; | |
5474 | ||
5475 | for (i = 1; i <= NUM_RX_RINGS; i++) { | |
5476 | struct eth_rx_bd *rx_bd; | |
5477 | ||
5478 | rx_bd = &fp->rx_desc_ring[RX_DESC_CNT * i - 2]; | |
5479 | rx_bd->addr_hi = | |
5480 | cpu_to_le32(U64_HI(fp->rx_desc_mapping + | |
5481 | BCM_PAGE_SIZE*(i % NUM_RX_RINGS))); | |
5482 | rx_bd->addr_lo = | |
5483 | cpu_to_le32(U64_LO(fp->rx_desc_mapping + | |
5484 | BCM_PAGE_SIZE*(i % NUM_RX_RINGS))); | |
5485 | ||
5486 | } | |
5487 | ||
5488 | for (i = 1; i <= NUM_RCQ_RINGS; i++) { | |
5489 | struct eth_rx_cqe_next_page *nextpg; | |
5490 | ||
5491 | nextpg = (struct eth_rx_cqe_next_page *) | |
5492 | &fp->rx_comp_ring[RCQ_DESC_CNT * i - 1]; | |
5493 | nextpg->addr_hi = | |
5494 | cpu_to_le32(U64_HI(fp->rx_comp_mapping + | |
5495 | BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS))); | |
5496 | nextpg->addr_lo = | |
5497 | cpu_to_le32(U64_LO(fp->rx_comp_mapping + | |
5498 | BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS))); | |
5499 | } | |
5500 | ||
5501 | /* rx completion queue */ | |
5502 | fp->rx_comp_cons = ring_prod = 0; | |
5503 | ||
5504 | for (i = 0; i < bp->rx_ring_size; i++) { | |
5505 | if (bnx2x_alloc_rx_skb(bp, fp, ring_prod) < 0) { | |
5506 | BNX2X_ERR("was only able to allocate " | |
5507 | "%d rx skbs\n", i); | |
5508 | break; | |
5509 | } | |
5510 | ring_prod = NEXT_RX_IDX(ring_prod); | |
5511 | BUG_TRAP(ring_prod > i); | |
5512 | } | |
5513 | ||
5514 | fp->rx_bd_prod = fp->rx_comp_prod = ring_prod; | |
5515 | fp->rx_pkt = fp->rx_calls = 0; | |
5516 | ||
c14423fe | 5517 | /* Warning! this will generate an interrupt (to the TSTORM) */ |
a2fbb9ea ET |
5518 | /* must only be done when chip is initialized */ |
5519 | REG_WR(bp, BAR_TSTRORM_INTMEM + | |
5520 | TSTORM_RCQ_PROD_OFFSET(port, j), ring_prod); | |
5521 | if (j != 0) | |
5522 | continue; | |
5523 | ||
5524 | REG_WR(bp, BAR_USTRORM_INTMEM + | |
5525 | USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(port), | |
5526 | U64_LO(fp->rx_comp_mapping)); | |
5527 | REG_WR(bp, BAR_USTRORM_INTMEM + | |
5528 | USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(port) + 4, | |
5529 | U64_HI(fp->rx_comp_mapping)); | |
5530 | } | |
5531 | } | |
5532 | ||
5533 | static void bnx2x_init_tx_ring(struct bnx2x *bp) | |
5534 | { | |
5535 | int i, j; | |
5536 | ||
5537 | for_each_queue(bp, j) { | |
5538 | struct bnx2x_fastpath *fp = &bp->fp[j]; | |
5539 | ||
5540 | for (i = 1; i <= NUM_TX_RINGS; i++) { | |
5541 | struct eth_tx_bd *tx_bd = | |
5542 | &fp->tx_desc_ring[TX_DESC_CNT * i - 1]; | |
5543 | ||
5544 | tx_bd->addr_hi = | |
5545 | cpu_to_le32(U64_HI(fp->tx_desc_mapping + | |
5546 | BCM_PAGE_SIZE*(i % NUM_TX_RINGS))); | |
5547 | tx_bd->addr_lo = | |
5548 | cpu_to_le32(U64_LO(fp->tx_desc_mapping + | |
5549 | BCM_PAGE_SIZE*(i % NUM_TX_RINGS))); | |
5550 | } | |
5551 | ||
5552 | fp->tx_pkt_prod = 0; | |
5553 | fp->tx_pkt_cons = 0; | |
5554 | fp->tx_bd_prod = 0; | |
5555 | fp->tx_bd_cons = 0; | |
5556 | fp->tx_cons_sb = BNX2X_TX_SB_INDEX; | |
5557 | fp->tx_pkt = 0; | |
5558 | } | |
5559 | } | |
5560 | ||
5561 | static void bnx2x_init_sp_ring(struct bnx2x *bp) | |
5562 | { | |
5563 | int port = bp->port; | |
5564 | ||
5565 | spin_lock_init(&bp->spq_lock); | |
5566 | ||
5567 | bp->spq_left = MAX_SPQ_PENDING; | |
5568 | bp->spq_prod_idx = 0; | |
a2fbb9ea ET |
5569 | bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX; |
5570 | bp->spq_prod_bd = bp->spq; | |
5571 | bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT; | |
5572 | ||
5573 | REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PAGE_BASE_OFFSET(port), | |
5574 | U64_LO(bp->spq_mapping)); | |
5575 | REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PAGE_BASE_OFFSET(port) + 4, | |
5576 | U64_HI(bp->spq_mapping)); | |
5577 | ||
5578 | REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PROD_OFFSET(port), | |
5579 | bp->spq_prod_idx); | |
5580 | } | |
5581 | ||
5582 | static void bnx2x_init_context(struct bnx2x *bp) | |
5583 | { | |
5584 | int i; | |
5585 | ||
5586 | for_each_queue(bp, i) { | |
5587 | struct eth_context *context = bnx2x_sp(bp, context[i].eth); | |
5588 | struct bnx2x_fastpath *fp = &bp->fp[i]; | |
5589 | ||
5590 | context->xstorm_st_context.tx_bd_page_base_hi = | |
5591 | U64_HI(fp->tx_desc_mapping); | |
5592 | context->xstorm_st_context.tx_bd_page_base_lo = | |
5593 | U64_LO(fp->tx_desc_mapping); | |
5594 | context->xstorm_st_context.db_data_addr_hi = | |
5595 | U64_HI(fp->tx_prods_mapping); | |
5596 | context->xstorm_st_context.db_data_addr_lo = | |
5597 | U64_LO(fp->tx_prods_mapping); | |
5598 | ||
5599 | context->ustorm_st_context.rx_bd_page_base_hi = | |
5600 | U64_HI(fp->rx_desc_mapping); | |
5601 | context->ustorm_st_context.rx_bd_page_base_lo = | |
5602 | U64_LO(fp->rx_desc_mapping); | |
5603 | context->ustorm_st_context.status_block_id = i; | |
5604 | context->ustorm_st_context.sb_index_number = | |
5605 | HC_INDEX_U_ETH_RX_CQ_CONS; | |
5606 | context->ustorm_st_context.rcq_base_address_hi = | |
5607 | U64_HI(fp->rx_comp_mapping); | |
5608 | context->ustorm_st_context.rcq_base_address_lo = | |
5609 | U64_LO(fp->rx_comp_mapping); | |
5610 | context->ustorm_st_context.flags = | |
5611 | USTORM_ETH_ST_CONTEXT_ENABLE_MC_ALIGNMENT; | |
5612 | context->ustorm_st_context.mc_alignment_size = 64; | |
5613 | context->ustorm_st_context.num_rss = bp->num_queues; | |
5614 | ||
5615 | context->cstorm_st_context.sb_index_number = | |
5616 | HC_INDEX_C_ETH_TX_CQ_CONS; | |
5617 | context->cstorm_st_context.status_block_id = i; | |
5618 | ||
5619 | context->xstorm_ag_context.cdu_reserved = | |
5620 | CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i), | |
5621 | CDU_REGION_NUMBER_XCM_AG, | |
5622 | ETH_CONNECTION_TYPE); | |
5623 | context->ustorm_ag_context.cdu_usage = | |
5624 | CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i), | |
5625 | CDU_REGION_NUMBER_UCM_AG, | |
5626 | ETH_CONNECTION_TYPE); | |
5627 | } | |
5628 | } | |
5629 | ||
5630 | static void bnx2x_init_ind_table(struct bnx2x *bp) | |
5631 | { | |
5632 | int port = bp->port; | |
5633 | int i; | |
5634 | ||
5635 | if (!is_multi(bp)) | |
5636 | return; | |
5637 | ||
5638 | for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++) | |
5639 | REG_WR8(bp, TSTORM_INDIRECTION_TABLE_OFFSET(port) + i, | |
5640 | i % bp->num_queues); | |
5641 | ||
5642 | REG_WR(bp, PRS_REG_A_PRSU_20, 0xf); | |
5643 | } | |
5644 | ||
49d66772 ET |
5645 | static void bnx2x_set_client_config(struct bnx2x *bp) |
5646 | { | |
5647 | #ifdef BCM_VLAN | |
5648 | int mode = bp->rx_mode; | |
5649 | #endif | |
5650 | int i, port = bp->port; | |
5651 | struct tstorm_eth_client_config tstorm_client = {0}; | |
5652 | ||
5653 | tstorm_client.mtu = bp->dev->mtu; | |
5654 | tstorm_client.statistics_counter_id = 0; | |
5655 | tstorm_client.config_flags = | |
5656 | TSTORM_ETH_CLIENT_CONFIG_STATSITICS_ENABLE; | |
5657 | #ifdef BCM_VLAN | |
5658 | if (mode && bp->vlgrp) { | |
5659 | tstorm_client.config_flags |= | |
5660 | TSTORM_ETH_CLIENT_CONFIG_VLAN_REMOVAL_ENABLE; | |
5661 | DP(NETIF_MSG_IFUP, "vlan removal enabled\n"); | |
5662 | } | |
5663 | #endif | |
5664 | if (mode != BNX2X_RX_MODE_PROMISC) | |
5665 | tstorm_client.drop_flags = | |
5666 | TSTORM_ETH_CLIENT_CONFIG_DROP_MAC_ERR; | |
5667 | ||
5668 | for_each_queue(bp, i) { | |
5669 | REG_WR(bp, BAR_TSTRORM_INTMEM + | |
5670 | TSTORM_CLIENT_CONFIG_OFFSET(port, i), | |
5671 | ((u32 *)&tstorm_client)[0]); | |
5672 | REG_WR(bp, BAR_TSTRORM_INTMEM + | |
5673 | TSTORM_CLIENT_CONFIG_OFFSET(port, i) + 4, | |
5674 | ((u32 *)&tstorm_client)[1]); | |
5675 | } | |
5676 | ||
5677 | /* DP(NETIF_MSG_IFUP, "tstorm_client: 0x%08x 0x%08x\n", | |
5678 | ((u32 *)&tstorm_client)[0], ((u32 *)&tstorm_client)[1]); */ | |
5679 | } | |
5680 | ||
a2fbb9ea ET |
5681 | static void bnx2x_set_storm_rx_mode(struct bnx2x *bp) |
5682 | { | |
5683 | int mode = bp->rx_mode; | |
5684 | int port = bp->port; | |
5685 | struct tstorm_eth_mac_filter_config tstorm_mac_filter = {0}; | |
5686 | int i; | |
5687 | ||
5688 | DP(NETIF_MSG_RX_STATUS, "rx mode is %d\n", mode); | |
5689 | ||
5690 | switch (mode) { | |
5691 | case BNX2X_RX_MODE_NONE: /* no Rx */ | |
5692 | tstorm_mac_filter.ucast_drop_all = 1; | |
5693 | tstorm_mac_filter.mcast_drop_all = 1; | |
5694 | tstorm_mac_filter.bcast_drop_all = 1; | |
5695 | break; | |
5696 | case BNX2X_RX_MODE_NORMAL: | |
5697 | tstorm_mac_filter.bcast_accept_all = 1; | |
5698 | break; | |
5699 | case BNX2X_RX_MODE_ALLMULTI: | |
5700 | tstorm_mac_filter.mcast_accept_all = 1; | |
5701 | tstorm_mac_filter.bcast_accept_all = 1; | |
5702 | break; | |
5703 | case BNX2X_RX_MODE_PROMISC: | |
5704 | tstorm_mac_filter.ucast_accept_all = 1; | |
5705 | tstorm_mac_filter.mcast_accept_all = 1; | |
5706 | tstorm_mac_filter.bcast_accept_all = 1; | |
5707 | break; | |
5708 | default: | |
5709 | BNX2X_ERR("bad rx mode (%d)\n", mode); | |
5710 | } | |
5711 | ||
5712 | for (i = 0; i < sizeof(struct tstorm_eth_mac_filter_config)/4; i++) { | |
5713 | REG_WR(bp, BAR_TSTRORM_INTMEM + | |
5714 | TSTORM_MAC_FILTER_CONFIG_OFFSET(port) + i * 4, | |
5715 | ((u32 *)&tstorm_mac_filter)[i]); | |
5716 | ||
5717 | /* DP(NETIF_MSG_IFUP, "tstorm_mac_filter[%d]: 0x%08x\n", i, | |
5718 | ((u32 *)&tstorm_mac_filter)[i]); */ | |
5719 | } | |
a2fbb9ea | 5720 | |
49d66772 ET |
5721 | if (mode != BNX2X_RX_MODE_NONE) |
5722 | bnx2x_set_client_config(bp); | |
a2fbb9ea ET |
5723 | } |
5724 | ||
5725 | static void bnx2x_init_internal(struct bnx2x *bp) | |
5726 | { | |
5727 | int port = bp->port; | |
5728 | struct tstorm_eth_function_common_config tstorm_config = {0}; | |
5729 | struct stats_indication_flags stats_flags = {0}; | |
a2fbb9ea ET |
5730 | |
5731 | if (is_multi(bp)) { | |
5732 | tstorm_config.config_flags = MULTI_FLAGS; | |
5733 | tstorm_config.rss_result_mask = MULTI_MASK; | |
5734 | } | |
5735 | ||
5736 | REG_WR(bp, BAR_TSTRORM_INTMEM + | |
5737 | TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(port), | |
5738 | (*(u32 *)&tstorm_config)); | |
5739 | ||
5740 | /* DP(NETIF_MSG_IFUP, "tstorm_config: 0x%08x\n", | |
5741 | (*(u32 *)&tstorm_config)); */ | |
5742 | ||
c14423fe | 5743 | bp->rx_mode = BNX2X_RX_MODE_NONE; /* no rx until link is up */ |
a2fbb9ea ET |
5744 | bnx2x_set_storm_rx_mode(bp); |
5745 | ||
a2fbb9ea ET |
5746 | stats_flags.collect_eth = cpu_to_le32(1); |
5747 | ||
5748 | REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(port), | |
5749 | ((u32 *)&stats_flags)[0]); | |
5750 | REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(port) + 4, | |
5751 | ((u32 *)&stats_flags)[1]); | |
5752 | ||
5753 | REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(port), | |
5754 | ((u32 *)&stats_flags)[0]); | |
5755 | REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(port) + 4, | |
5756 | ((u32 *)&stats_flags)[1]); | |
5757 | ||
5758 | REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(port), | |
5759 | ((u32 *)&stats_flags)[0]); | |
5760 | REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(port) + 4, | |
5761 | ((u32 *)&stats_flags)[1]); | |
5762 | ||
5763 | /* DP(NETIF_MSG_IFUP, "stats_flags: 0x%08x 0x%08x\n", | |
5764 | ((u32 *)&stats_flags)[0], ((u32 *)&stats_flags)[1]); */ | |
5765 | } | |
5766 | ||
5767 | static void bnx2x_nic_init(struct bnx2x *bp) | |
5768 | { | |
5769 | int i; | |
5770 | ||
5771 | for_each_queue(bp, i) { | |
5772 | struct bnx2x_fastpath *fp = &bp->fp[i]; | |
5773 | ||
5774 | fp->state = BNX2X_FP_STATE_CLOSED; | |
5775 | DP(NETIF_MSG_IFUP, "bnx2x_init_sb(%p,%p,%d);\n", | |
5776 | bp, fp->status_blk, i); | |
5777 | fp->index = i; | |
5778 | bnx2x_init_sb(bp, fp->status_blk, fp->status_blk_mapping, i); | |
5779 | } | |
5780 | ||
5781 | bnx2x_init_def_sb(bp, bp->def_status_blk, | |
5782 | bp->def_status_blk_mapping, 0x10); | |
5783 | bnx2x_update_coalesce(bp); | |
5784 | bnx2x_init_rx_rings(bp); | |
5785 | bnx2x_init_tx_ring(bp); | |
5786 | bnx2x_init_sp_ring(bp); | |
5787 | bnx2x_init_context(bp); | |
5788 | bnx2x_init_internal(bp); | |
5789 | bnx2x_init_stats(bp); | |
5790 | bnx2x_init_ind_table(bp); | |
615f8fd9 | 5791 | bnx2x_int_enable(bp); |
a2fbb9ea ET |
5792 | |
5793 | } | |
5794 | ||
5795 | /* end of nic init */ | |
5796 | ||
5797 | /* | |
5798 | * gzip service functions | |
5799 | */ | |
5800 | ||
5801 | static int bnx2x_gunzip_init(struct bnx2x *bp) | |
5802 | { | |
5803 | bp->gunzip_buf = pci_alloc_consistent(bp->pdev, FW_BUF_SIZE, | |
5804 | &bp->gunzip_mapping); | |
5805 | if (bp->gunzip_buf == NULL) | |
5806 | goto gunzip_nomem1; | |
5807 | ||
5808 | bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL); | |
5809 | if (bp->strm == NULL) | |
5810 | goto gunzip_nomem2; | |
5811 | ||
5812 | bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(), | |
5813 | GFP_KERNEL); | |
5814 | if (bp->strm->workspace == NULL) | |
5815 | goto gunzip_nomem3; | |
5816 | ||
5817 | return 0; | |
5818 | ||
5819 | gunzip_nomem3: | |
5820 | kfree(bp->strm); | |
5821 | bp->strm = NULL; | |
5822 | ||
5823 | gunzip_nomem2: | |
5824 | pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf, | |
5825 | bp->gunzip_mapping); | |
5826 | bp->gunzip_buf = NULL; | |
5827 | ||
5828 | gunzip_nomem1: | |
5829 | printk(KERN_ERR PFX "%s: Cannot allocate firmware buffer for" | |
5830 | " uncompression\n", bp->dev->name); | |
5831 | return -ENOMEM; | |
5832 | } | |
5833 | ||
5834 | static void bnx2x_gunzip_end(struct bnx2x *bp) | |
5835 | { | |
5836 | kfree(bp->strm->workspace); | |
5837 | ||
5838 | kfree(bp->strm); | |
5839 | bp->strm = NULL; | |
5840 | ||
5841 | if (bp->gunzip_buf) { | |
5842 | pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf, | |
5843 | bp->gunzip_mapping); | |
5844 | bp->gunzip_buf = NULL; | |
5845 | } | |
5846 | } | |
5847 | ||
5848 | static int bnx2x_gunzip(struct bnx2x *bp, u8 *zbuf, int len) | |
5849 | { | |
5850 | int n, rc; | |
5851 | ||
5852 | /* check gzip header */ | |
5853 | if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) | |
5854 | return -EINVAL; | |
5855 | ||
5856 | n = 10; | |
5857 | ||
5858 | #define FNAME 0x8 | |
5859 | ||
5860 | if (zbuf[3] & FNAME) | |
5861 | while ((zbuf[n++] != 0) && (n < len)); | |
5862 | ||
5863 | bp->strm->next_in = zbuf + n; | |
5864 | bp->strm->avail_in = len - n; | |
5865 | bp->strm->next_out = bp->gunzip_buf; | |
5866 | bp->strm->avail_out = FW_BUF_SIZE; | |
5867 | ||
5868 | rc = zlib_inflateInit2(bp->strm, -MAX_WBITS); | |
5869 | if (rc != Z_OK) | |
5870 | return rc; | |
5871 | ||
5872 | rc = zlib_inflate(bp->strm, Z_FINISH); | |
5873 | if ((rc != Z_OK) && (rc != Z_STREAM_END)) | |
5874 | printk(KERN_ERR PFX "%s: Firmware decompression error: %s\n", | |
5875 | bp->dev->name, bp->strm->msg); | |
5876 | ||
5877 | bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out); | |
5878 | if (bp->gunzip_outlen & 0x3) | |
5879 | printk(KERN_ERR PFX "%s: Firmware decompression error:" | |
5880 | " gunzip_outlen (%d) not aligned\n", | |
5881 | bp->dev->name, bp->gunzip_outlen); | |
5882 | bp->gunzip_outlen >>= 2; | |
5883 | ||
5884 | zlib_inflateEnd(bp->strm); | |
5885 | ||
5886 | if (rc == Z_STREAM_END) | |
5887 | return 0; | |
5888 | ||
5889 | return rc; | |
5890 | } | |
5891 | ||
5892 | /* nic load/unload */ | |
5893 | ||
5894 | /* | |
5895 | * general service functions | |
5896 | */ | |
5897 | ||
5898 | /* send a NIG loopback debug packet */ | |
5899 | static void bnx2x_lb_pckt(struct bnx2x *bp) | |
5900 | { | |
5901 | #ifdef USE_DMAE | |
5902 | u32 wb_write[3]; | |
5903 | #endif | |
5904 | ||
5905 | /* Ethernet source and destination addresses */ | |
5906 | #ifdef USE_DMAE | |
5907 | wb_write[0] = 0x55555555; | |
5908 | wb_write[1] = 0x55555555; | |
5909 | wb_write[2] = 0x20; /* SOP */ | |
5910 | REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3); | |
5911 | #else | |
5912 | REG_WR_IND(bp, NIG_REG_DEBUG_PACKET_LB, 0x55555555); | |
5913 | REG_WR_IND(bp, NIG_REG_DEBUG_PACKET_LB + 4, 0x55555555); | |
5914 | /* SOP */ | |
5915 | REG_WR_IND(bp, NIG_REG_DEBUG_PACKET_LB + 8, 0x20); | |
5916 | #endif | |
5917 | ||
5918 | /* NON-IP protocol */ | |
5919 | #ifdef USE_DMAE | |
5920 | wb_write[0] = 0x09000000; | |
5921 | wb_write[1] = 0x55555555; | |
5922 | wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */ | |
5923 | REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3); | |
5924 | #else | |
5925 | REG_WR_IND(bp, NIG_REG_DEBUG_PACKET_LB, 0x09000000); | |
5926 | REG_WR_IND(bp, NIG_REG_DEBUG_PACKET_LB + 4, 0x55555555); | |
5927 | /* EOP, eop_bvalid = 0 */ | |
5928 | REG_WR_IND(bp, NIG_REG_DEBUG_PACKET_LB + 8, 0x10); | |
5929 | #endif | |
5930 | } | |
5931 | ||
5932 | /* some of the internal memories | |
5933 | * are not directly readable from the driver | |
5934 | * to test them we send debug packets | |
5935 | */ | |
5936 | static int bnx2x_int_mem_test(struct bnx2x *bp) | |
5937 | { | |
5938 | int factor; | |
5939 | int count, i; | |
5940 | u32 val = 0; | |
5941 | ||
5942 | switch (CHIP_REV(bp)) { | |
5943 | case CHIP_REV_EMUL: | |
5944 | factor = 200; | |
5945 | break; | |
5946 | case CHIP_REV_FPGA: | |
5947 | factor = 120; | |
5948 | break; | |
5949 | default: | |
5950 | factor = 1; | |
5951 | break; | |
5952 | } | |
5953 | ||
5954 | DP(NETIF_MSG_HW, "start part1\n"); | |
5955 | ||
5956 | /* Disable inputs of parser neighbor blocks */ | |
5957 | REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0); | |
5958 | REG_WR(bp, TCM_REG_PRS_IFEN, 0x0); | |
5959 | REG_WR(bp, CFC_REG_DEBUG0, 0x1); | |
5960 | NIG_WR(NIG_REG_PRS_REQ_IN_EN, 0x0); | |
5961 | ||
5962 | /* Write 0 to parser credits for CFC search request */ | |
5963 | REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0); | |
5964 | ||
5965 | /* send Ethernet packet */ | |
5966 | bnx2x_lb_pckt(bp); | |
5967 | ||
5968 | /* TODO do i reset NIG statistic? */ | |
5969 | /* Wait until NIG register shows 1 packet of size 0x10 */ | |
5970 | count = 1000 * factor; | |
5971 | while (count) { | |
5972 | #ifdef BNX2X_DMAE_RD | |
5973 | bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2); | |
5974 | val = *bnx2x_sp(bp, wb_data[0]); | |
5975 | #else | |
5976 | val = REG_RD(bp, NIG_REG_STAT2_BRB_OCTET); | |
5977 | REG_RD(bp, NIG_REG_STAT2_BRB_OCTET + 4); | |
5978 | #endif | |
5979 | if (val == 0x10) | |
5980 | break; | |
5981 | ||
5982 | msleep(10); | |
5983 | count--; | |
5984 | } | |
5985 | if (val != 0x10) { | |
5986 | BNX2X_ERR("NIG timeout val = 0x%x\n", val); | |
5987 | return -1; | |
5988 | } | |
5989 | ||
5990 | /* Wait until PRS register shows 1 packet */ | |
5991 | count = 1000 * factor; | |
5992 | while (count) { | |
5993 | val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS); | |
5994 | ||
5995 | if (val == 1) | |
5996 | break; | |
5997 | ||
5998 | msleep(10); | |
5999 | count--; | |
6000 | } | |
6001 | if (val != 0x1) { | |
6002 | BNX2X_ERR("PRS timeout val = 0x%x\n", val); | |
6003 | return -2; | |
6004 | } | |
6005 | ||
6006 | /* Reset and init BRB, PRS */ | |
6007 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x3); | |
6008 | msleep(50); | |
6009 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x3); | |
6010 | msleep(50); | |
6011 | bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END); | |
6012 | bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END); | |
6013 | ||
6014 | DP(NETIF_MSG_HW, "part2\n"); | |
6015 | ||
6016 | /* Disable inputs of parser neighbor blocks */ | |
6017 | REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0); | |
6018 | REG_WR(bp, TCM_REG_PRS_IFEN, 0x0); | |
6019 | REG_WR(bp, CFC_REG_DEBUG0, 0x1); | |
6020 | NIG_WR(NIG_REG_PRS_REQ_IN_EN, 0x0); | |
6021 | ||
6022 | /* Write 0 to parser credits for CFC search request */ | |
6023 | REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0); | |
6024 | ||
6025 | /* send 10 Ethernet packets */ | |
6026 | for (i = 0; i < 10; i++) | |
6027 | bnx2x_lb_pckt(bp); | |
6028 | ||
6029 | /* Wait until NIG register shows 10 + 1 | |
6030 | packets of size 11*0x10 = 0xb0 */ | |
6031 | count = 1000 * factor; | |
6032 | while (count) { | |
6033 | #ifdef BNX2X_DMAE_RD | |
6034 | bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2); | |
6035 | val = *bnx2x_sp(bp, wb_data[0]); | |
6036 | #else | |
6037 | val = REG_RD(bp, NIG_REG_STAT2_BRB_OCTET); | |
6038 | REG_RD(bp, NIG_REG_STAT2_BRB_OCTET + 4); | |
6039 | #endif | |
6040 | if (val == 0xb0) | |
6041 | break; | |
6042 | ||
6043 | msleep(10); | |
6044 | count--; | |
6045 | } | |
6046 | if (val != 0xb0) { | |
6047 | BNX2X_ERR("NIG timeout val = 0x%x\n", val); | |
6048 | return -3; | |
6049 | } | |
6050 | ||
6051 | /* Wait until PRS register shows 2 packets */ | |
6052 | val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS); | |
6053 | if (val != 2) | |
6054 | BNX2X_ERR("PRS timeout val = 0x%x\n", val); | |
6055 | ||
6056 | /* Write 1 to parser credits for CFC search request */ | |
6057 | REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1); | |
6058 | ||
6059 | /* Wait until PRS register shows 3 packets */ | |
6060 | msleep(10 * factor); | |
6061 | /* Wait until NIG register shows 1 packet of size 0x10 */ | |
6062 | val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS); | |
6063 | if (val != 3) | |
6064 | BNX2X_ERR("PRS timeout val = 0x%x\n", val); | |
6065 | ||
6066 | /* clear NIG EOP FIFO */ | |
6067 | for (i = 0; i < 11; i++) | |
6068 | REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO); | |
6069 | val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY); | |
6070 | if (val != 1) { | |
6071 | BNX2X_ERR("clear of NIG failed\n"); | |
6072 | return -4; | |
6073 | } | |
6074 | ||
6075 | /* Reset and init BRB, PRS, NIG */ | |
6076 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03); | |
6077 | msleep(50); | |
6078 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03); | |
6079 | msleep(50); | |
6080 | bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END); | |
6081 | bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END); | |
6082 | #ifndef BCM_ISCSI | |
6083 | /* set NIC mode */ | |
6084 | REG_WR(bp, PRS_REG_NIC_MODE, 1); | |
6085 | #endif | |
6086 | ||
6087 | /* Enable inputs of parser neighbor blocks */ | |
6088 | REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff); | |
6089 | REG_WR(bp, TCM_REG_PRS_IFEN, 0x1); | |
6090 | REG_WR(bp, CFC_REG_DEBUG0, 0x0); | |
6091 | NIG_WR(NIG_REG_PRS_REQ_IN_EN, 0x1); | |
6092 | ||
6093 | DP(NETIF_MSG_HW, "done\n"); | |
6094 | ||
6095 | return 0; /* OK */ | |
6096 | } | |
6097 | ||
6098 | static void enable_blocks_attention(struct bnx2x *bp) | |
6099 | { | |
6100 | REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0); | |
6101 | REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0); | |
6102 | REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0); | |
6103 | REG_WR(bp, CFC_REG_CFC_INT_MASK, 0); | |
6104 | REG_WR(bp, QM_REG_QM_INT_MASK, 0); | |
6105 | REG_WR(bp, TM_REG_TM_INT_MASK, 0); | |
6106 | REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0); | |
6107 | REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0); | |
6108 | REG_WR(bp, XCM_REG_XCM_INT_MASK, 0); | |
6109 | /* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */ | |
6110 | /* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */ | |
6111 | REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0); | |
6112 | REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0); | |
6113 | REG_WR(bp, UCM_REG_UCM_INT_MASK, 0); | |
6114 | /* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */ | |
6115 | /* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */ | |
6116 | REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0); | |
6117 | REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0); | |
6118 | REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0); | |
6119 | REG_WR(bp, CCM_REG_CCM_INT_MASK, 0); | |
6120 | /* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */ | |
6121 | /* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */ | |
6122 | REG_WR(bp, PXP2_REG_PXP2_INT_MASK, 0x480000); | |
6123 | REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0); | |
6124 | REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0); | |
6125 | REG_WR(bp, TCM_REG_TCM_INT_MASK, 0); | |
6126 | /* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */ | |
6127 | /* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */ | |
6128 | REG_WR(bp, CDU_REG_CDU_INT_MASK, 0); | |
6129 | REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0); | |
6130 | /* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */ | |
6131 | REG_WR(bp, PBF_REG_PBF_INT_MASK, 0X18); /* bit 3,4 masked */ | |
6132 | } | |
6133 | ||
6134 | static int bnx2x_function_init(struct bnx2x *bp, int mode) | |
6135 | { | |
6136 | int func = bp->port; | |
6137 | int port = func ? PORT1 : PORT0; | |
6138 | u32 val, i; | |
6139 | #ifdef USE_DMAE | |
6140 | u32 wb_write[2]; | |
6141 | #endif | |
6142 | ||
6143 | DP(BNX2X_MSG_MCP, "function is %d mode is %x\n", func, mode); | |
6144 | if ((func != 0) && (func != 1)) { | |
6145 | BNX2X_ERR("BAD function number (%d)\n", func); | |
6146 | return -ENODEV; | |
6147 | } | |
6148 | ||
6149 | bnx2x_gunzip_init(bp); | |
6150 | ||
6151 | if (mode & 0x1) { /* init common */ | |
6152 | DP(BNX2X_MSG_MCP, "starting common init func %d mode %x\n", | |
6153 | func, mode); | |
f1410647 ET |
6154 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, |
6155 | 0xffffffff); | |
619c714c | 6156 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, |
f1410647 | 6157 | 0xfffc); |
a2fbb9ea ET |
6158 | bnx2x_init_block(bp, MISC_COMMON_START, MISC_COMMON_END); |
6159 | ||
6160 | REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x100); | |
6161 | msleep(30); | |
6162 | REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x0); | |
6163 | ||
6164 | bnx2x_init_block(bp, PXP_COMMON_START, PXP_COMMON_END); | |
6165 | bnx2x_init_block(bp, PXP2_COMMON_START, PXP2_COMMON_END); | |
6166 | ||
6167 | bnx2x_init_pxp(bp); | |
6168 | ||
6169 | if (CHIP_REV(bp) == CHIP_REV_Ax) { | |
6170 | /* enable HW interrupt from PXP on USDM | |
6171 | overflow bit 16 on INT_MASK_0 */ | |
6172 | REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0); | |
6173 | } | |
6174 | ||
6175 | #ifdef __BIG_ENDIAN | |
6176 | REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1); | |
6177 | REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1); | |
6178 | REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1); | |
6179 | REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1); | |
6180 | REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1); | |
6181 | REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 1); | |
6182 | ||
6183 | /* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */ | |
6184 | REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1); | |
6185 | REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1); | |
6186 | REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1); | |
6187 | REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1); | |
6188 | #endif | |
6189 | ||
6190 | #ifndef BCM_ISCSI | |
6191 | /* set NIC mode */ | |
6192 | REG_WR(bp, PRS_REG_NIC_MODE, 1); | |
6193 | #endif | |
6194 | ||
6195 | REG_WR(bp, PXP2_REG_RQ_CDU_P_SIZE, 5); | |
6196 | #ifdef BCM_ISCSI | |
6197 | REG_WR(bp, PXP2_REG_RQ_TM_P_SIZE, 5); | |
6198 | REG_WR(bp, PXP2_REG_RQ_QM_P_SIZE, 5); | |
6199 | REG_WR(bp, PXP2_REG_RQ_SRC_P_SIZE, 5); | |
6200 | #endif | |
6201 | ||
6202 | bnx2x_init_block(bp, DMAE_COMMON_START, DMAE_COMMON_END); | |
6203 | ||
6204 | /* let the HW do it's magic ... */ | |
6205 | msleep(100); | |
6206 | /* finish PXP init | |
6207 | (can be moved up if we want to use the DMAE) */ | |
6208 | val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE); | |
6209 | if (val != 1) { | |
6210 | BNX2X_ERR("PXP2 CFG failed\n"); | |
6211 | return -EBUSY; | |
6212 | } | |
6213 | ||
6214 | val = REG_RD(bp, PXP2_REG_RD_INIT_DONE); | |
6215 | if (val != 1) { | |
6216 | BNX2X_ERR("PXP2 RD_INIT failed\n"); | |
6217 | return -EBUSY; | |
6218 | } | |
6219 | ||
6220 | REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0); | |
6221 | REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0); | |
6222 | ||
6223 | bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8); | |
6224 | ||
6225 | bnx2x_init_block(bp, TCM_COMMON_START, TCM_COMMON_END); | |
6226 | bnx2x_init_block(bp, UCM_COMMON_START, UCM_COMMON_END); | |
6227 | bnx2x_init_block(bp, CCM_COMMON_START, CCM_COMMON_END); | |
6228 | bnx2x_init_block(bp, XCM_COMMON_START, XCM_COMMON_END); | |
6229 | ||
6230 | #ifdef BNX2X_DMAE_RD | |
6231 | bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3); | |
6232 | bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3); | |
6233 | bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3); | |
6234 | bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3); | |
6235 | #else | |
6236 | REG_RD(bp, XSEM_REG_PASSIVE_BUFFER); | |
6237 | REG_RD(bp, XSEM_REG_PASSIVE_BUFFER + 4); | |
6238 | REG_RD(bp, XSEM_REG_PASSIVE_BUFFER + 8); | |
6239 | REG_RD(bp, CSEM_REG_PASSIVE_BUFFER); | |
6240 | REG_RD(bp, CSEM_REG_PASSIVE_BUFFER + 4); | |
6241 | REG_RD(bp, CSEM_REG_PASSIVE_BUFFER + 8); | |
6242 | REG_RD(bp, TSEM_REG_PASSIVE_BUFFER); | |
6243 | REG_RD(bp, TSEM_REG_PASSIVE_BUFFER + 4); | |
6244 | REG_RD(bp, TSEM_REG_PASSIVE_BUFFER + 8); | |
6245 | REG_RD(bp, USEM_REG_PASSIVE_BUFFER); | |
6246 | REG_RD(bp, USEM_REG_PASSIVE_BUFFER + 4); | |
6247 | REG_RD(bp, USEM_REG_PASSIVE_BUFFER + 8); | |
6248 | #endif | |
6249 | bnx2x_init_block(bp, QM_COMMON_START, QM_COMMON_END); | |
c14423fe | 6250 | /* soft reset pulse */ |
a2fbb9ea ET |
6251 | REG_WR(bp, QM_REG_SOFT_RESET, 1); |
6252 | REG_WR(bp, QM_REG_SOFT_RESET, 0); | |
6253 | ||
6254 | #ifdef BCM_ISCSI | |
6255 | bnx2x_init_block(bp, TIMERS_COMMON_START, TIMERS_COMMON_END); | |
6256 | #endif | |
6257 | bnx2x_init_block(bp, DQ_COMMON_START, DQ_COMMON_END); | |
6258 | REG_WR(bp, DORQ_REG_DPM_CID_OFST, BCM_PAGE_BITS); | |
6259 | if (CHIP_REV(bp) == CHIP_REV_Ax) { | |
6260 | /* enable hw interrupt from doorbell Q */ | |
6261 | REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0); | |
6262 | } | |
6263 | ||
6264 | bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END); | |
6265 | ||
6266 | if (CHIP_REV_IS_SLOW(bp)) { | |
6267 | /* fix for emulation and FPGA for no pause */ | |
6268 | REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0, 513); | |
6269 | REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_1, 513); | |
6270 | REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0, 0); | |
6271 | REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_1, 0); | |
6272 | } | |
6273 | ||
6274 | bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END); | |
6275 | ||
6276 | bnx2x_init_block(bp, TSDM_COMMON_START, TSDM_COMMON_END); | |
6277 | bnx2x_init_block(bp, CSDM_COMMON_START, CSDM_COMMON_END); | |
6278 | bnx2x_init_block(bp, USDM_COMMON_START, USDM_COMMON_END); | |
6279 | bnx2x_init_block(bp, XSDM_COMMON_START, XSDM_COMMON_END); | |
6280 | ||
6281 | bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0, STORM_INTMEM_SIZE); | |
6282 | bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0, STORM_INTMEM_SIZE); | |
6283 | bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0, STORM_INTMEM_SIZE); | |
6284 | bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0, STORM_INTMEM_SIZE); | |
6285 | ||
6286 | bnx2x_init_block(bp, TSEM_COMMON_START, TSEM_COMMON_END); | |
6287 | bnx2x_init_block(bp, USEM_COMMON_START, USEM_COMMON_END); | |
6288 | bnx2x_init_block(bp, CSEM_COMMON_START, CSEM_COMMON_END); | |
6289 | bnx2x_init_block(bp, XSEM_COMMON_START, XSEM_COMMON_END); | |
6290 | ||
6291 | /* sync semi rtc */ | |
6292 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, | |
6293 | 0x80000000); | |
6294 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, | |
6295 | 0x80000000); | |
6296 | ||
6297 | bnx2x_init_block(bp, UPB_COMMON_START, UPB_COMMON_END); | |
6298 | bnx2x_init_block(bp, XPB_COMMON_START, XPB_COMMON_END); | |
6299 | bnx2x_init_block(bp, PBF_COMMON_START, PBF_COMMON_END); | |
6300 | ||
6301 | REG_WR(bp, SRC_REG_SOFT_RST, 1); | |
6302 | for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4) { | |
6303 | REG_WR(bp, i, 0xc0cac01a); | |
c14423fe | 6304 | /* TODO: replace with something meaningful */ |
a2fbb9ea ET |
6305 | } |
6306 | /* SRCH COMMON comes here */ | |
6307 | REG_WR(bp, SRC_REG_SOFT_RST, 0); | |
6308 | ||
6309 | if (sizeof(union cdu_context) != 1024) { | |
6310 | /* we currently assume that a context is 1024 bytes */ | |
6311 | printk(KERN_ALERT PFX "please adjust the size of" | |
6312 | " cdu_context(%ld)\n", | |
6313 | (long)sizeof(union cdu_context)); | |
6314 | } | |
6315 | val = (4 << 24) + (0 << 12) + 1024; | |
6316 | REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val); | |
6317 | bnx2x_init_block(bp, CDU_COMMON_START, CDU_COMMON_END); | |
6318 | ||
6319 | bnx2x_init_block(bp, CFC_COMMON_START, CFC_COMMON_END); | |
6320 | REG_WR(bp, CFC_REG_INIT_REG, 0x7FF); | |
6321 | ||
6322 | bnx2x_init_block(bp, HC_COMMON_START, HC_COMMON_END); | |
6323 | bnx2x_init_block(bp, MISC_AEU_COMMON_START, | |
6324 | MISC_AEU_COMMON_END); | |
6325 | /* RXPCS COMMON comes here */ | |
6326 | /* EMAC0 COMMON comes here */ | |
6327 | /* EMAC1 COMMON comes here */ | |
6328 | /* DBU COMMON comes here */ | |
6329 | /* DBG COMMON comes here */ | |
6330 | bnx2x_init_block(bp, NIG_COMMON_START, NIG_COMMON_END); | |
6331 | ||
6332 | if (CHIP_REV_IS_SLOW(bp)) | |
6333 | msleep(200); | |
6334 | ||
6335 | /* finish CFC init */ | |
6336 | val = REG_RD(bp, CFC_REG_LL_INIT_DONE); | |
6337 | if (val != 1) { | |
6338 | BNX2X_ERR("CFC LL_INIT failed\n"); | |
6339 | return -EBUSY; | |
6340 | } | |
6341 | ||
6342 | val = REG_RD(bp, CFC_REG_AC_INIT_DONE); | |
6343 | if (val != 1) { | |
6344 | BNX2X_ERR("CFC AC_INIT failed\n"); | |
6345 | return -EBUSY; | |
6346 | } | |
6347 | ||
6348 | val = REG_RD(bp, CFC_REG_CAM_INIT_DONE); | |
6349 | if (val != 1) { | |
6350 | BNX2X_ERR("CFC CAM_INIT failed\n"); | |
6351 | return -EBUSY; | |
6352 | } | |
6353 | ||
6354 | REG_WR(bp, CFC_REG_DEBUG0, 0); | |
6355 | ||
6356 | /* read NIG statistic | |
6357 | to see if this is our first up since powerup */ | |
6358 | #ifdef BNX2X_DMAE_RD | |
6359 | bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2); | |
6360 | val = *bnx2x_sp(bp, wb_data[0]); | |
6361 | #else | |
6362 | val = REG_RD(bp, NIG_REG_STAT2_BRB_OCTET); | |
6363 | REG_RD(bp, NIG_REG_STAT2_BRB_OCTET + 4); | |
6364 | #endif | |
6365 | /* do internal memory self test */ | |
6366 | if ((val == 0) && bnx2x_int_mem_test(bp)) { | |
6367 | BNX2X_ERR("internal mem selftest failed\n"); | |
6368 | return -EBUSY; | |
6369 | } | |
6370 | ||
6371 | /* clear PXP2 attentions */ | |
6372 | REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR); | |
6373 | ||
6374 | enable_blocks_attention(bp); | |
6375 | /* enable_blocks_parity(bp); */ | |
6376 | ||
f1410647 ET |
6377 | switch (bp->board & SHARED_HW_CFG_BOARD_TYPE_MASK) { |
6378 | case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G: | |
6379 | /* Fan failure is indicated by SPIO 5 */ | |
6380 | bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5, | |
6381 | MISC_REGISTERS_SPIO_INPUT_HI_Z); | |
6382 | ||
6383 | /* set to active low mode */ | |
6384 | val = REG_RD(bp, MISC_REG_SPIO_INT); | |
6385 | val |= ((1 << MISC_REGISTERS_SPIO_5) << | |
6386 | MISC_REGISTERS_SPIO_INT_OLD_SET_POS); | |
6387 | REG_WR(bp, MISC_REG_SPIO_INT, val); | |
6388 | ||
6389 | /* enable interrupt to signal the IGU */ | |
6390 | val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN); | |
6391 | val |= (1 << MISC_REGISTERS_SPIO_5); | |
6392 | REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val); | |
6393 | break; | |
6394 | ||
6395 | default: | |
6396 | break; | |
6397 | } | |
6398 | ||
a2fbb9ea ET |
6399 | } /* end of common init */ |
6400 | ||
6401 | /* per port init */ | |
6402 | ||
6403 | /* the phys address is shifted right 12 bits and has an added | |
6404 | 1=valid bit added to the 53rd bit | |
6405 | then since this is a wide register(TM) | |
6406 | we split it into two 32 bit writes | |
6407 | */ | |
6408 | #define RQ_ONCHIP_AT_PORT_SIZE 384 | |
6409 | #define ONCHIP_ADDR1(x) ((u32)(((u64)x >> 12) & 0xFFFFFFFF)) | |
6410 | #define ONCHIP_ADDR2(x) ((u32)((1 << 20) | ((u64)x >> 44))) | |
6411 | #define PXP_ONE_ILT(x) ((x << 10) | x) | |
6412 | ||
6413 | DP(BNX2X_MSG_MCP, "starting per-function init port is %x\n", func); | |
6414 | ||
6415 | REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + func*4, 0); | |
6416 | ||
6417 | /* Port PXP comes here */ | |
6418 | /* Port PXP2 comes here */ | |
6419 | ||
6420 | /* Offset is | |
6421 | * Port0 0 | |
6422 | * Port1 384 */ | |
6423 | i = func * RQ_ONCHIP_AT_PORT_SIZE; | |
6424 | #ifdef USE_DMAE | |
6425 | wb_write[0] = ONCHIP_ADDR1(bnx2x_sp_mapping(bp, context)); | |
6426 | wb_write[1] = ONCHIP_ADDR2(bnx2x_sp_mapping(bp, context)); | |
6427 | REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2); | |
6428 | #else | |
6429 | REG_WR_IND(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, | |
6430 | ONCHIP_ADDR1(bnx2x_sp_mapping(bp, context))); | |
6431 | REG_WR_IND(bp, PXP2_REG_RQ_ONCHIP_AT + i*8 + 4, | |
6432 | ONCHIP_ADDR2(bnx2x_sp_mapping(bp, context))); | |
6433 | #endif | |
6434 | REG_WR(bp, PXP2_REG_PSWRQ_CDU0_L2P + func*4, PXP_ONE_ILT(i)); | |
6435 | ||
6436 | #ifdef BCM_ISCSI | |
6437 | /* Port0 1 | |
6438 | * Port1 385 */ | |
6439 | i++; | |
6440 | wb_write[0] = ONCHIP_ADDR1(bp->timers_mapping); | |
6441 | wb_write[1] = ONCHIP_ADDR2(bp->timers_mapping); | |
6442 | REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2); | |
6443 | REG_WR(bp, PXP2_REG_PSWRQ_TM0_L2P + func*4, PXP_ONE_ILT(i)); | |
6444 | ||
6445 | /* Port0 2 | |
6446 | * Port1 386 */ | |
6447 | i++; | |
6448 | wb_write[0] = ONCHIP_ADDR1(bp->qm_mapping); | |
6449 | wb_write[1] = ONCHIP_ADDR2(bp->qm_mapping); | |
6450 | REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2); | |
6451 | REG_WR(bp, PXP2_REG_PSWRQ_QM0_L2P + func*4, PXP_ONE_ILT(i)); | |
6452 | ||
6453 | /* Port0 3 | |
6454 | * Port1 387 */ | |
6455 | i++; | |
6456 | wb_write[0] = ONCHIP_ADDR1(bp->t1_mapping); | |
6457 | wb_write[1] = ONCHIP_ADDR2(bp->t1_mapping); | |
6458 | REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2); | |
6459 | REG_WR(bp, PXP2_REG_PSWRQ_SRC0_L2P + func*4, PXP_ONE_ILT(i)); | |
6460 | #endif | |
6461 | ||
6462 | /* Port TCM comes here */ | |
6463 | /* Port UCM comes here */ | |
6464 | /* Port CCM comes here */ | |
6465 | bnx2x_init_block(bp, func ? XCM_PORT1_START : XCM_PORT0_START, | |
6466 | func ? XCM_PORT1_END : XCM_PORT0_END); | |
6467 | ||
6468 | #ifdef USE_DMAE | |
6469 | wb_write[0] = 0; | |
6470 | wb_write[1] = 0; | |
6471 | #endif | |
6472 | for (i = 0; i < 32; i++) { | |
6473 | REG_WR(bp, QM_REG_BASEADDR + (func*32 + i)*4, 1024 * 4 * i); | |
6474 | #ifdef USE_DMAE | |
6475 | REG_WR_DMAE(bp, QM_REG_PTRTBL + (func*32 + i)*8, wb_write, 2); | |
6476 | #else | |
6477 | REG_WR_IND(bp, QM_REG_PTRTBL + (func*32 + i)*8, 0); | |
6478 | REG_WR_IND(bp, QM_REG_PTRTBL + (func*32 + i)*8 + 4, 0); | |
6479 | #endif | |
6480 | } | |
6481 | REG_WR(bp, QM_REG_CONNNUM_0 + func*4, 1024/16 - 1); | |
6482 | ||
6483 | /* Port QM comes here */ | |
6484 | ||
6485 | #ifdef BCM_ISCSI | |
6486 | REG_WR(bp, TM_REG_LIN0_SCAN_TIME + func*4, 1024/64*20); | |
6487 | REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + func*4, 31); | |
6488 | ||
6489 | bnx2x_init_block(bp, func ? TIMERS_PORT1_START : TIMERS_PORT0_START, | |
6490 | func ? TIMERS_PORT1_END : TIMERS_PORT0_END); | |
6491 | #endif | |
6492 | /* Port DQ comes here */ | |
6493 | /* Port BRB1 comes here */ | |
6494 | bnx2x_init_block(bp, func ? PRS_PORT1_START : PRS_PORT0_START, | |
6495 | func ? PRS_PORT1_END : PRS_PORT0_END); | |
6496 | /* Port TSDM comes here */ | |
6497 | /* Port CSDM comes here */ | |
6498 | /* Port USDM comes here */ | |
6499 | /* Port XSDM comes here */ | |
6500 | bnx2x_init_block(bp, func ? TSEM_PORT1_START : TSEM_PORT0_START, | |
6501 | func ? TSEM_PORT1_END : TSEM_PORT0_END); | |
6502 | bnx2x_init_block(bp, func ? USEM_PORT1_START : USEM_PORT0_START, | |
6503 | func ? USEM_PORT1_END : USEM_PORT0_END); | |
6504 | bnx2x_init_block(bp, func ? CSEM_PORT1_START : CSEM_PORT0_START, | |
6505 | func ? CSEM_PORT1_END : CSEM_PORT0_END); | |
6506 | bnx2x_init_block(bp, func ? XSEM_PORT1_START : XSEM_PORT0_START, | |
6507 | func ? XSEM_PORT1_END : XSEM_PORT0_END); | |
6508 | /* Port UPB comes here */ | |
6509 | /* Port XSDM comes here */ | |
6510 | bnx2x_init_block(bp, func ? PBF_PORT1_START : PBF_PORT0_START, | |
6511 | func ? PBF_PORT1_END : PBF_PORT0_END); | |
6512 | ||
6513 | /* configure PBF to work without PAUSE mtu 9000 */ | |
6514 | REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + func*4, 0); | |
6515 | ||
6516 | /* update threshold */ | |
6517 | REG_WR(bp, PBF_REG_P0_ARB_THRSH + func*4, (9040/16)); | |
6518 | /* update init credit */ | |
6519 | REG_WR(bp, PBF_REG_P0_INIT_CRD + func*4, (9040/16) + 553 - 22); | |
6520 | ||
6521 | /* probe changes */ | |
6522 | REG_WR(bp, PBF_REG_INIT_P0 + func*4, 1); | |
6523 | msleep(5); | |
6524 | REG_WR(bp, PBF_REG_INIT_P0 + func*4, 0); | |
6525 | ||
6526 | #ifdef BCM_ISCSI | |
6527 | /* tell the searcher where the T2 table is */ | |
6528 | REG_WR(bp, SRC_REG_COUNTFREE0 + func*4, 16*1024/64); | |
6529 | ||
6530 | wb_write[0] = U64_LO(bp->t2_mapping); | |
6531 | wb_write[1] = U64_HI(bp->t2_mapping); | |
6532 | REG_WR_DMAE(bp, SRC_REG_FIRSTFREE0 + func*4, wb_write, 2); | |
6533 | wb_write[0] = U64_LO((u64)bp->t2_mapping + 16*1024 - 64); | |
6534 | wb_write[1] = U64_HI((u64)bp->t2_mapping + 16*1024 - 64); | |
6535 | REG_WR_DMAE(bp, SRC_REG_LASTFREE0 + func*4, wb_write, 2); | |
6536 | ||
6537 | REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + func*4, 10); | |
6538 | /* Port SRCH comes here */ | |
6539 | #endif | |
6540 | /* Port CDU comes here */ | |
6541 | /* Port CFC comes here */ | |
6542 | bnx2x_init_block(bp, func ? HC_PORT1_START : HC_PORT0_START, | |
6543 | func ? HC_PORT1_END : HC_PORT0_END); | |
6544 | bnx2x_init_block(bp, func ? MISC_AEU_PORT1_START : | |
6545 | MISC_AEU_PORT0_START, | |
6546 | func ? MISC_AEU_PORT1_END : MISC_AEU_PORT0_END); | |
6547 | /* Port PXPCS comes here */ | |
6548 | /* Port EMAC0 comes here */ | |
6549 | /* Port EMAC1 comes here */ | |
6550 | /* Port DBU comes here */ | |
6551 | /* Port DBG comes here */ | |
6552 | bnx2x_init_block(bp, func ? NIG_PORT1_START : NIG_PORT0_START, | |
6553 | func ? NIG_PORT1_END : NIG_PORT0_END); | |
6554 | REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + func*4, 1); | |
6555 | /* Port MCP comes here */ | |
6556 | /* Port DMAE comes here */ | |
6557 | ||
f1410647 ET |
6558 | switch (bp->board & SHARED_HW_CFG_BOARD_TYPE_MASK) { |
6559 | case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G: | |
6560 | /* add SPIO 5 to group 0 */ | |
6561 | val = REG_RD(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0); | |
6562 | val |= AEU_INPUTS_ATTN_BITS_SPIO5; | |
6563 | REG_WR(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0, val); | |
6564 | break; | |
6565 | ||
6566 | default: | |
6567 | break; | |
6568 | } | |
6569 | ||
a2fbb9ea ET |
6570 | bnx2x_link_reset(bp); |
6571 | ||
c14423fe | 6572 | /* Reset PCIE errors for debug */ |
a2fbb9ea ET |
6573 | REG_WR(bp, 0x2114, 0xffffffff); |
6574 | REG_WR(bp, 0x2120, 0xffffffff); | |
6575 | REG_WR(bp, 0x2814, 0xffffffff); | |
6576 | ||
6577 | /* !!! move to init_values.h */ | |
6578 | REG_WR(bp, XSDM_REG_INIT_CREDIT_PXP_CTRL, 0x1); | |
6579 | REG_WR(bp, USDM_REG_INIT_CREDIT_PXP_CTRL, 0x1); | |
6580 | REG_WR(bp, CSDM_REG_INIT_CREDIT_PXP_CTRL, 0x1); | |
6581 | REG_WR(bp, TSDM_REG_INIT_CREDIT_PXP_CTRL, 0x1); | |
6582 | ||
6583 | REG_WR(bp, DBG_REG_PCI_REQ_CREDIT, 0x1); | |
6584 | REG_WR(bp, TM_REG_PCIARB_CRDCNT_VAL, 0x1); | |
6585 | REG_WR(bp, CDU_REG_CDU_DEBUG, 0x264); | |
6586 | REG_WR(bp, CDU_REG_CDU_DEBUG, 0x0); | |
6587 | ||
6588 | bnx2x_gunzip_end(bp); | |
6589 | ||
6590 | if (!nomcp) { | |
6591 | port = bp->port; | |
6592 | ||
6593 | bp->fw_drv_pulse_wr_seq = | |
f1410647 | 6594 | (SHMEM_RD(bp, func_mb[port].drv_pulse_mb) & |
a2fbb9ea | 6595 | DRV_PULSE_SEQ_MASK); |
f1410647 | 6596 | bp->fw_mb = SHMEM_RD(bp, func_mb[port].fw_mb_param); |
a2fbb9ea ET |
6597 | DP(BNX2X_MSG_MCP, "drv_pulse 0x%x fw_mb 0x%x\n", |
6598 | bp->fw_drv_pulse_wr_seq, bp->fw_mb); | |
6599 | } else { | |
6600 | bp->fw_mb = 0; | |
6601 | } | |
6602 | ||
6603 | return 0; | |
6604 | } | |
6605 | ||
c14423fe | 6606 | /* send the MCP a request, block until there is a reply */ |
a2fbb9ea ET |
6607 | static u32 bnx2x_fw_command(struct bnx2x *bp, u32 command) |
6608 | { | |
a2fbb9ea | 6609 | int port = bp->port; |
f1410647 ET |
6610 | u32 seq = ++bp->fw_seq; |
6611 | u32 rc = 0; | |
a2fbb9ea | 6612 | |
f1410647 ET |
6613 | SHMEM_WR(bp, func_mb[port].drv_mb_header, (command | seq)); |
6614 | DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq)); | |
a2fbb9ea ET |
6615 | |
6616 | /* let the FW do it's magic ... */ | |
6617 | msleep(100); /* TBD */ | |
6618 | ||
6619 | if (CHIP_REV_IS_SLOW(bp)) | |
6620 | msleep(900); | |
6621 | ||
f1410647 | 6622 | rc = SHMEM_RD(bp, func_mb[port].fw_mb_header); |
a2fbb9ea ET |
6623 | DP(BNX2X_MSG_MCP, "read (%x) seq is (%x) from FW MB\n", rc, seq); |
6624 | ||
6625 | /* is this a reply to our command? */ | |
6626 | if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK)) { | |
6627 | rc &= FW_MSG_CODE_MASK; | |
f1410647 | 6628 | |
a2fbb9ea ET |
6629 | } else { |
6630 | /* FW BUG! */ | |
6631 | BNX2X_ERR("FW failed to respond!\n"); | |
6632 | bnx2x_fw_dump(bp); | |
6633 | rc = 0; | |
6634 | } | |
f1410647 | 6635 | |
a2fbb9ea ET |
6636 | return rc; |
6637 | } | |
6638 | ||
6639 | static void bnx2x_free_mem(struct bnx2x *bp) | |
6640 | { | |
6641 | ||
6642 | #define BNX2X_PCI_FREE(x, y, size) \ | |
6643 | do { \ | |
6644 | if (x) { \ | |
6645 | pci_free_consistent(bp->pdev, size, x, y); \ | |
6646 | x = NULL; \ | |
6647 | y = 0; \ | |
6648 | } \ | |
6649 | } while (0) | |
6650 | ||
6651 | #define BNX2X_FREE(x) \ | |
6652 | do { \ | |
6653 | if (x) { \ | |
6654 | vfree(x); \ | |
6655 | x = NULL; \ | |
6656 | } \ | |
6657 | } while (0) | |
6658 | ||
6659 | int i; | |
6660 | ||
6661 | /* fastpath */ | |
6662 | for_each_queue(bp, i) { | |
6663 | ||
6664 | /* Status blocks */ | |
6665 | BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk), | |
6666 | bnx2x_fp(bp, i, status_blk_mapping), | |
6667 | sizeof(struct host_status_block) + | |
6668 | sizeof(struct eth_tx_db_data)); | |
6669 | ||
6670 | /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */ | |
6671 | BNX2X_FREE(bnx2x_fp(bp, i, tx_buf_ring)); | |
6672 | BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring), | |
6673 | bnx2x_fp(bp, i, tx_desc_mapping), | |
6674 | sizeof(struct eth_tx_bd) * NUM_TX_BD); | |
6675 | ||
6676 | BNX2X_FREE(bnx2x_fp(bp, i, rx_buf_ring)); | |
6677 | BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_desc_ring), | |
6678 | bnx2x_fp(bp, i, rx_desc_mapping), | |
6679 | sizeof(struct eth_rx_bd) * NUM_RX_BD); | |
6680 | ||
6681 | BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_comp_ring), | |
6682 | bnx2x_fp(bp, i, rx_comp_mapping), | |
6683 | sizeof(struct eth_fast_path_rx_cqe) * | |
6684 | NUM_RCQ_BD); | |
6685 | } | |
6686 | ||
6687 | BNX2X_FREE(bp->fp); | |
6688 | ||
6689 | /* end of fastpath */ | |
6690 | ||
6691 | BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping, | |
6692 | (sizeof(struct host_def_status_block))); | |
6693 | ||
6694 | BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping, | |
6695 | (sizeof(struct bnx2x_slowpath))); | |
6696 | ||
6697 | #ifdef BCM_ISCSI | |
6698 | BNX2X_PCI_FREE(bp->t1, bp->t1_mapping, 64*1024); | |
6699 | BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, 16*1024); | |
6700 | BNX2X_PCI_FREE(bp->timers, bp->timers_mapping, 8*1024); | |
6701 | BNX2X_PCI_FREE(bp->qm, bp->qm_mapping, 128*1024); | |
6702 | #endif | |
6703 | BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, PAGE_SIZE); | |
6704 | ||
6705 | #undef BNX2X_PCI_FREE | |
6706 | #undef BNX2X_KFREE | |
6707 | } | |
6708 | ||
6709 | static int bnx2x_alloc_mem(struct bnx2x *bp) | |
6710 | { | |
6711 | ||
6712 | #define BNX2X_PCI_ALLOC(x, y, size) \ | |
6713 | do { \ | |
6714 | x = pci_alloc_consistent(bp->pdev, size, y); \ | |
6715 | if (x == NULL) \ | |
6716 | goto alloc_mem_err; \ | |
6717 | memset(x, 0, size); \ | |
6718 | } while (0) | |
6719 | ||
6720 | #define BNX2X_ALLOC(x, size) \ | |
6721 | do { \ | |
6722 | x = vmalloc(size); \ | |
6723 | if (x == NULL) \ | |
6724 | goto alloc_mem_err; \ | |
6725 | memset(x, 0, size); \ | |
6726 | } while (0) | |
6727 | ||
6728 | int i; | |
6729 | ||
6730 | /* fastpath */ | |
6731 | BNX2X_ALLOC(bp->fp, sizeof(struct bnx2x_fastpath) * bp->num_queues); | |
6732 | ||
6733 | for_each_queue(bp, i) { | |
6734 | bnx2x_fp(bp, i, bp) = bp; | |
6735 | ||
6736 | /* Status blocks */ | |
6737 | BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, status_blk), | |
6738 | &bnx2x_fp(bp, i, status_blk_mapping), | |
6739 | sizeof(struct host_status_block) + | |
6740 | sizeof(struct eth_tx_db_data)); | |
6741 | ||
6742 | bnx2x_fp(bp, i, hw_tx_prods) = | |
6743 | (void *)(bnx2x_fp(bp, i, status_blk) + 1); | |
6744 | ||
6745 | bnx2x_fp(bp, i, tx_prods_mapping) = | |
6746 | bnx2x_fp(bp, i, status_blk_mapping) + | |
6747 | sizeof(struct host_status_block); | |
6748 | ||
6749 | /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */ | |
6750 | BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring), | |
6751 | sizeof(struct sw_tx_bd) * NUM_TX_BD); | |
6752 | BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, tx_desc_ring), | |
6753 | &bnx2x_fp(bp, i, tx_desc_mapping), | |
6754 | sizeof(struct eth_tx_bd) * NUM_TX_BD); | |
6755 | ||
6756 | BNX2X_ALLOC(bnx2x_fp(bp, i, rx_buf_ring), | |
6757 | sizeof(struct sw_rx_bd) * NUM_RX_BD); | |
6758 | BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_desc_ring), | |
6759 | &bnx2x_fp(bp, i, rx_desc_mapping), | |
6760 | sizeof(struct eth_rx_bd) * NUM_RX_BD); | |
6761 | ||
6762 | BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_comp_ring), | |
6763 | &bnx2x_fp(bp, i, rx_comp_mapping), | |
6764 | sizeof(struct eth_fast_path_rx_cqe) * | |
6765 | NUM_RCQ_BD); | |
6766 | ||
6767 | } | |
6768 | /* end of fastpath */ | |
6769 | ||
6770 | BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping, | |
6771 | sizeof(struct host_def_status_block)); | |
6772 | ||
6773 | BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping, | |
6774 | sizeof(struct bnx2x_slowpath)); | |
6775 | ||
6776 | #ifdef BCM_ISCSI | |
6777 | BNX2X_PCI_ALLOC(bp->t1, &bp->t1_mapping, 64*1024); | |
6778 | ||
6779 | /* Initialize T1 */ | |
6780 | for (i = 0; i < 64*1024; i += 64) { | |
6781 | *(u64 *)((char *)bp->t1 + i + 56) = 0x0UL; | |
6782 | *(u64 *)((char *)bp->t1 + i + 3) = 0x0UL; | |
6783 | } | |
6784 | ||
6785 | /* allocate searcher T2 table | |
6786 | we allocate 1/4 of alloc num for T2 | |
6787 | (which is not entered into the ILT) */ | |
6788 | BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, 16*1024); | |
6789 | ||
6790 | /* Initialize T2 */ | |
6791 | for (i = 0; i < 16*1024; i += 64) | |
6792 | * (u64 *)((char *)bp->t2 + i + 56) = bp->t2_mapping + i + 64; | |
6793 | ||
c14423fe | 6794 | /* now fixup the last line in the block to point to the next block */ |
a2fbb9ea ET |
6795 | *(u64 *)((char *)bp->t2 + 1024*16-8) = bp->t2_mapping; |
6796 | ||
6797 | /* Timer block array (MAX_CONN*8) phys uncached for now 1024 conns */ | |
6798 | BNX2X_PCI_ALLOC(bp->timers, &bp->timers_mapping, 8*1024); | |
6799 | ||
6800 | /* QM queues (128*MAX_CONN) */ | |
6801 | BNX2X_PCI_ALLOC(bp->qm, &bp->qm_mapping, 128*1024); | |
6802 | #endif | |
6803 | ||
6804 | /* Slow path ring */ | |
6805 | BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE); | |
6806 | ||
6807 | return 0; | |
6808 | ||
6809 | alloc_mem_err: | |
6810 | bnx2x_free_mem(bp); | |
6811 | return -ENOMEM; | |
6812 | ||
6813 | #undef BNX2X_PCI_ALLOC | |
6814 | #undef BNX2X_ALLOC | |
6815 | } | |
6816 | ||
6817 | static void bnx2x_free_tx_skbs(struct bnx2x *bp) | |
6818 | { | |
6819 | int i; | |
6820 | ||
6821 | for_each_queue(bp, i) { | |
6822 | struct bnx2x_fastpath *fp = &bp->fp[i]; | |
6823 | ||
6824 | u16 bd_cons = fp->tx_bd_cons; | |
6825 | u16 sw_prod = fp->tx_pkt_prod; | |
6826 | u16 sw_cons = fp->tx_pkt_cons; | |
6827 | ||
6828 | BUG_TRAP(fp->tx_buf_ring != NULL); | |
6829 | ||
6830 | while (sw_cons != sw_prod) { | |
6831 | bd_cons = bnx2x_free_tx_pkt(bp, fp, TX_BD(sw_cons)); | |
6832 | sw_cons++; | |
6833 | } | |
6834 | } | |
6835 | } | |
6836 | ||
6837 | static void bnx2x_free_rx_skbs(struct bnx2x *bp) | |
6838 | { | |
6839 | int i, j; | |
6840 | ||
6841 | for_each_queue(bp, j) { | |
6842 | struct bnx2x_fastpath *fp = &bp->fp[j]; | |
6843 | ||
6844 | BUG_TRAP(fp->rx_buf_ring != NULL); | |
6845 | ||
6846 | for (i = 0; i < NUM_RX_BD; i++) { | |
6847 | struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[i]; | |
6848 | struct sk_buff *skb = rx_buf->skb; | |
6849 | ||
6850 | if (skb == NULL) | |
6851 | continue; | |
6852 | ||
6853 | pci_unmap_single(bp->pdev, | |
6854 | pci_unmap_addr(rx_buf, mapping), | |
6855 | bp->rx_buf_use_size, | |
6856 | PCI_DMA_FROMDEVICE); | |
6857 | ||
6858 | rx_buf->skb = NULL; | |
6859 | dev_kfree_skb(skb); | |
6860 | } | |
6861 | } | |
6862 | } | |
6863 | ||
6864 | static void bnx2x_free_skbs(struct bnx2x *bp) | |
6865 | { | |
6866 | bnx2x_free_tx_skbs(bp); | |
6867 | bnx2x_free_rx_skbs(bp); | |
6868 | } | |
6869 | ||
6870 | static void bnx2x_free_msix_irqs(struct bnx2x *bp) | |
6871 | { | |
6872 | int i; | |
6873 | ||
6874 | free_irq(bp->msix_table[0].vector, bp->dev); | |
c14423fe | 6875 | DP(NETIF_MSG_IFDOWN, "released sp irq (%d)\n", |
a2fbb9ea ET |
6876 | bp->msix_table[0].vector); |
6877 | ||
6878 | for_each_queue(bp, i) { | |
c14423fe | 6879 | DP(NETIF_MSG_IFDOWN, "about to release fp #%d->%d irq " |
a2fbb9ea ET |
6880 | "state(%x)\n", i, bp->msix_table[i + 1].vector, |
6881 | bnx2x_fp(bp, i, state)); | |
6882 | ||
228241eb ET |
6883 | if (bnx2x_fp(bp, i, state) != BNX2X_FP_STATE_CLOSED) |
6884 | BNX2X_ERR("IRQ of fp #%d being freed while " | |
6885 | "state != closed\n", i); | |
a2fbb9ea | 6886 | |
228241eb | 6887 | free_irq(bp->msix_table[i + 1].vector, &bp->fp[i]); |
a2fbb9ea ET |
6888 | } |
6889 | ||
6890 | } | |
6891 | ||
6892 | static void bnx2x_free_irq(struct bnx2x *bp) | |
6893 | { | |
6894 | ||
6895 | if (bp->flags & USING_MSIX_FLAG) { | |
6896 | ||
6897 | bnx2x_free_msix_irqs(bp); | |
6898 | pci_disable_msix(bp->pdev); | |
6899 | ||
6900 | bp->flags &= ~USING_MSIX_FLAG; | |
6901 | ||
6902 | } else | |
6903 | free_irq(bp->pdev->irq, bp->dev); | |
6904 | } | |
6905 | ||
6906 | static int bnx2x_enable_msix(struct bnx2x *bp) | |
6907 | { | |
6908 | ||
6909 | int i; | |
6910 | ||
6911 | bp->msix_table[0].entry = 0; | |
6912 | for_each_queue(bp, i) | |
6913 | bp->msix_table[i + 1].entry = i + 1; | |
6914 | ||
6915 | if (pci_enable_msix(bp->pdev, &bp->msix_table[0], | |
6916 | bp->num_queues + 1)){ | |
228241eb | 6917 | BNX2X_LOG("failed to enable MSI-X\n"); |
a2fbb9ea ET |
6918 | return -1; |
6919 | ||
6920 | } | |
6921 | ||
6922 | bp->flags |= USING_MSIX_FLAG; | |
6923 | ||
6924 | return 0; | |
6925 | ||
6926 | } | |
6927 | ||
6928 | ||
6929 | static int bnx2x_req_msix_irqs(struct bnx2x *bp) | |
6930 | { | |
6931 | ||
a2fbb9ea ET |
6932 | int i, rc; |
6933 | ||
a2fbb9ea ET |
6934 | rc = request_irq(bp->msix_table[0].vector, bnx2x_msix_sp_int, 0, |
6935 | bp->dev->name, bp->dev); | |
6936 | ||
6937 | if (rc) { | |
6938 | BNX2X_ERR("request sp irq failed\n"); | |
6939 | return -EBUSY; | |
6940 | } | |
6941 | ||
6942 | for_each_queue(bp, i) { | |
6943 | rc = request_irq(bp->msix_table[i + 1].vector, | |
6944 | bnx2x_msix_fp_int, 0, | |
6945 | bp->dev->name, &bp->fp[i]); | |
6946 | ||
6947 | if (rc) { | |
228241eb ET |
6948 | BNX2X_ERR("request fp #%d irq failed " |
6949 | "rc %d\n", i, rc); | |
a2fbb9ea ET |
6950 | bnx2x_free_msix_irqs(bp); |
6951 | return -EBUSY; | |
6952 | } | |
6953 | ||
6954 | bnx2x_fp(bp, i, state) = BNX2X_FP_STATE_IRQ; | |
6955 | ||
6956 | } | |
6957 | ||
6958 | return 0; | |
6959 | ||
6960 | } | |
6961 | ||
6962 | static int bnx2x_req_irq(struct bnx2x *bp) | |
6963 | { | |
6964 | ||
6965 | int rc = request_irq(bp->pdev->irq, bnx2x_interrupt, | |
6966 | IRQF_SHARED, bp->dev->name, bp->dev); | |
6967 | if (!rc) | |
6968 | bnx2x_fp(bp, 0, state) = BNX2X_FP_STATE_IRQ; | |
6969 | ||
6970 | return rc; | |
6971 | ||
6972 | } | |
6973 | ||
6974 | /* | |
6975 | * Init service functions | |
6976 | */ | |
6977 | ||
6978 | static void bnx2x_set_mac_addr(struct bnx2x *bp) | |
6979 | { | |
6980 | struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config); | |
6981 | ||
6982 | /* CAM allocation | |
6983 | * unicasts 0-31:port0 32-63:port1 | |
6984 | * multicast 64-127:port0 128-191:port1 | |
6985 | */ | |
6986 | config->hdr.length_6b = 2; | |
6987 | config->hdr.offset = bp->port ? 31 : 0; | |
6988 | config->hdr.reserved0 = 0; | |
6989 | config->hdr.reserved1 = 0; | |
6990 | ||
6991 | /* primary MAC */ | |
6992 | config->config_table[0].cam_entry.msb_mac_addr = | |
6993 | swab16(*(u16 *)&bp->dev->dev_addr[0]); | |
6994 | config->config_table[0].cam_entry.middle_mac_addr = | |
6995 | swab16(*(u16 *)&bp->dev->dev_addr[2]); | |
6996 | config->config_table[0].cam_entry.lsb_mac_addr = | |
6997 | swab16(*(u16 *)&bp->dev->dev_addr[4]); | |
6998 | config->config_table[0].cam_entry.flags = cpu_to_le16(bp->port); | |
6999 | config->config_table[0].target_table_entry.flags = 0; | |
7000 | config->config_table[0].target_table_entry.client_id = 0; | |
7001 | config->config_table[0].target_table_entry.vlan_id = 0; | |
7002 | ||
7003 | DP(NETIF_MSG_IFUP, "setting MAC (%04x:%04x:%04x)\n", | |
7004 | config->config_table[0].cam_entry.msb_mac_addr, | |
7005 | config->config_table[0].cam_entry.middle_mac_addr, | |
7006 | config->config_table[0].cam_entry.lsb_mac_addr); | |
7007 | ||
7008 | /* broadcast */ | |
7009 | config->config_table[1].cam_entry.msb_mac_addr = 0xffff; | |
7010 | config->config_table[1].cam_entry.middle_mac_addr = 0xffff; | |
7011 | config->config_table[1].cam_entry.lsb_mac_addr = 0xffff; | |
7012 | config->config_table[1].cam_entry.flags = cpu_to_le16(bp->port); | |
7013 | config->config_table[1].target_table_entry.flags = | |
7014 | TSTORM_CAM_TARGET_TABLE_ENTRY_BROADCAST; | |
7015 | config->config_table[1].target_table_entry.client_id = 0; | |
7016 | config->config_table[1].target_table_entry.vlan_id = 0; | |
7017 | ||
7018 | bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0, | |
7019 | U64_HI(bnx2x_sp_mapping(bp, mac_config)), | |
7020 | U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0); | |
7021 | } | |
7022 | ||
7023 | static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx, | |
7024 | int *state_p, int poll) | |
7025 | { | |
7026 | /* can take a while if any port is running */ | |
7027 | int timeout = 500; | |
7028 | ||
c14423fe ET |
7029 | DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n", |
7030 | poll ? "polling" : "waiting", state, idx); | |
a2fbb9ea ET |
7031 | |
7032 | might_sleep(); | |
7033 | ||
7034 | while (timeout) { | |
7035 | ||
7036 | if (poll) { | |
7037 | bnx2x_rx_int(bp->fp, 10); | |
7038 | /* If index is different from 0 | |
7039 | * The reply for some commands will | |
7040 | * be on the none default queue | |
7041 | */ | |
7042 | if (idx) | |
7043 | bnx2x_rx_int(&bp->fp[idx], 10); | |
7044 | } | |
7045 | ||
7046 | mb(); /* state is changed by bnx2x_sp_event()*/ | |
7047 | ||
49d66772 | 7048 | if (*state_p == state) |
a2fbb9ea ET |
7049 | return 0; |
7050 | ||
7051 | timeout--; | |
7052 | msleep(1); | |
7053 | ||
7054 | } | |
7055 | ||
a2fbb9ea | 7056 | /* timeout! */ |
49d66772 ET |
7057 | BNX2X_ERR("timeout %s for state %x on IDX [%d]\n", |
7058 | poll ? "polling" : "waiting", state, idx); | |
a2fbb9ea | 7059 | |
49d66772 | 7060 | return -EBUSY; |
a2fbb9ea ET |
7061 | } |
7062 | ||
7063 | static int bnx2x_setup_leading(struct bnx2x *bp) | |
7064 | { | |
7065 | ||
c14423fe | 7066 | /* reset IGU state */ |
a2fbb9ea ET |
7067 | bnx2x_ack_sb(bp, DEF_SB_ID, CSTORM_ID, 0, IGU_INT_ENABLE, 0); |
7068 | ||
7069 | /* SETUP ramrod */ | |
7070 | bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_SETUP, 0, 0, 0, 0); | |
7071 | ||
7072 | return bnx2x_wait_ramrod(bp, BNX2X_STATE_OPEN, 0, &(bp->state), 0); | |
7073 | ||
7074 | } | |
7075 | ||
7076 | static int bnx2x_setup_multi(struct bnx2x *bp, int index) | |
7077 | { | |
7078 | ||
7079 | /* reset IGU state */ | |
7080 | bnx2x_ack_sb(bp, index, CSTORM_ID, 0, IGU_INT_ENABLE, 0); | |
7081 | ||
228241eb | 7082 | /* SETUP ramrod */ |
a2fbb9ea ET |
7083 | bp->fp[index].state = BNX2X_FP_STATE_OPENING; |
7084 | bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CLIENT_SETUP, index, 0, index, 0); | |
7085 | ||
7086 | /* Wait for completion */ | |
7087 | return bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_OPEN, index, | |
228241eb | 7088 | &(bp->fp[index].state), 0); |
a2fbb9ea ET |
7089 | |
7090 | } | |
7091 | ||
7092 | ||
7093 | static int bnx2x_poll(struct napi_struct *napi, int budget); | |
7094 | static void bnx2x_set_rx_mode(struct net_device *dev); | |
7095 | ||
7096 | static int bnx2x_nic_load(struct bnx2x *bp, int req_irq) | |
7097 | { | |
228241eb ET |
7098 | u32 load_code; |
7099 | int i; | |
a2fbb9ea ET |
7100 | |
7101 | bp->state = BNX2X_STATE_OPENING_WAIT4_LOAD; | |
7102 | ||
7103 | /* Send LOAD_REQUEST command to MCP. | |
7104 | Returns the type of LOAD command: if it is the | |
7105 | first port to be initialized common blocks should be | |
7106 | initialized, otherwise - not. | |
7107 | */ | |
7108 | if (!nomcp) { | |
228241eb ET |
7109 | load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ); |
7110 | if (!load_code) { | |
7111 | BNX2X_ERR("MCP response failure, unloading\n"); | |
7112 | return -EBUSY; | |
7113 | } | |
7114 | if (load_code == FW_MSG_CODE_DRV_LOAD_REFUSED) { | |
7115 | BNX2X_ERR("MCP refused load request, unloading\n"); | |
a2fbb9ea ET |
7116 | return -EBUSY; /* other port in diagnostic mode */ |
7117 | } | |
7118 | } else { | |
228241eb | 7119 | load_code = FW_MSG_CODE_DRV_LOAD_COMMON; |
a2fbb9ea ET |
7120 | } |
7121 | ||
a2fbb9ea ET |
7122 | /* if we can't use msix we only need one fp, |
7123 | * so try to enable msix with the requested number of fp's | |
7124 | * and fallback to inta with one fp | |
7125 | */ | |
7126 | if (req_irq) { | |
a2fbb9ea ET |
7127 | if (use_inta) { |
7128 | bp->num_queues = 1; | |
7129 | } else { | |
c14423fe | 7130 | if ((use_multi > 1) && (use_multi <= 16)) |
a2fbb9ea ET |
7131 | /* user requested number */ |
7132 | bp->num_queues = use_multi; | |
7133 | else if (use_multi == 1) | |
7134 | bp->num_queues = num_online_cpus(); | |
7135 | else | |
7136 | bp->num_queues = 1; | |
7137 | ||
7138 | if (bnx2x_enable_msix(bp)) { | |
c14423fe | 7139 | /* failed to enable msix */ |
a2fbb9ea ET |
7140 | bp->num_queues = 1; |
7141 | if (use_multi) | |
c14423fe | 7142 | BNX2X_ERR("Multi requested but failed" |
a2fbb9ea ET |
7143 | " to enable MSI-X\n"); |
7144 | } | |
7145 | } | |
7146 | } | |
7147 | ||
c14423fe ET |
7148 | DP(NETIF_MSG_IFUP, "set number of queues to %d\n", bp->num_queues); |
7149 | ||
a2fbb9ea ET |
7150 | if (bnx2x_alloc_mem(bp)) |
7151 | return -ENOMEM; | |
7152 | ||
7153 | if (req_irq) { | |
7154 | if (bp->flags & USING_MSIX_FLAG) { | |
7155 | if (bnx2x_req_msix_irqs(bp)) { | |
7156 | pci_disable_msix(bp->pdev); | |
228241eb | 7157 | goto load_error; |
a2fbb9ea ET |
7158 | } |
7159 | ||
7160 | } else { | |
7161 | if (bnx2x_req_irq(bp)) { | |
7162 | BNX2X_ERR("IRQ request failed, aborting\n"); | |
228241eb | 7163 | goto load_error; |
a2fbb9ea ET |
7164 | } |
7165 | } | |
7166 | } | |
7167 | ||
7168 | for_each_queue(bp, i) | |
7169 | netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi), | |
7170 | bnx2x_poll, 128); | |
7171 | ||
7172 | ||
7173 | /* Initialize HW */ | |
228241eb ET |
7174 | if (bnx2x_function_init(bp, |
7175 | (load_code == FW_MSG_CODE_DRV_LOAD_COMMON))) { | |
a2fbb9ea | 7176 | BNX2X_ERR("HW init failed, aborting\n"); |
228241eb | 7177 | goto load_error; |
a2fbb9ea ET |
7178 | } |
7179 | ||
7180 | ||
7181 | atomic_set(&bp->intr_sem, 0); | |
7182 | ||
a2fbb9ea ET |
7183 | |
7184 | /* Setup NIC internals and enable interrupts */ | |
7185 | bnx2x_nic_init(bp); | |
7186 | ||
7187 | /* Send LOAD_DONE command to MCP */ | |
7188 | if (!nomcp) { | |
228241eb ET |
7189 | load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE); |
7190 | if (!load_code) { | |
a2fbb9ea | 7191 | BNX2X_ERR("MCP response failure, unloading\n"); |
228241eb | 7192 | goto load_int_disable; |
a2fbb9ea ET |
7193 | } |
7194 | } | |
7195 | ||
7196 | bp->state = BNX2X_STATE_OPENING_WAIT4_PORT; | |
7197 | ||
7198 | /* Enable Rx interrupt handling before sending the ramrod | |
7199 | as it's completed on Rx FP queue */ | |
7200 | for_each_queue(bp, i) | |
7201 | napi_enable(&bnx2x_fp(bp, i, napi)); | |
7202 | ||
7203 | if (bnx2x_setup_leading(bp)) | |
228241eb | 7204 | goto load_stop_netif; |
a2fbb9ea ET |
7205 | |
7206 | for_each_nondefault_queue(bp, i) | |
7207 | if (bnx2x_setup_multi(bp, i)) | |
228241eb | 7208 | goto load_stop_netif; |
a2fbb9ea ET |
7209 | |
7210 | bnx2x_set_mac_addr(bp); | |
7211 | ||
7212 | bnx2x_phy_init(bp); | |
7213 | ||
7214 | /* Start fast path */ | |
7215 | if (req_irq) { /* IRQ is only requested from bnx2x_open */ | |
7216 | netif_start_queue(bp->dev); | |
7217 | if (bp->flags & USING_MSIX_FLAG) | |
7218 | printk(KERN_INFO PFX "%s: using MSI-X\n", | |
7219 | bp->dev->name); | |
7220 | ||
7221 | /* Otherwise Tx queue should be only reenabled */ | |
7222 | } else if (netif_running(bp->dev)) { | |
7223 | netif_wake_queue(bp->dev); | |
7224 | bnx2x_set_rx_mode(bp->dev); | |
7225 | } | |
7226 | ||
7227 | /* start the timer */ | |
7228 | mod_timer(&bp->timer, jiffies + bp->current_interval); | |
7229 | ||
7230 | return 0; | |
7231 | ||
228241eb | 7232 | load_stop_netif: |
a2fbb9ea ET |
7233 | for_each_queue(bp, i) |
7234 | napi_disable(&bnx2x_fp(bp, i, napi)); | |
7235 | ||
228241eb | 7236 | load_int_disable: |
615f8fd9 | 7237 | bnx2x_int_disable_sync(bp); |
a2fbb9ea ET |
7238 | |
7239 | bnx2x_free_skbs(bp); | |
7240 | bnx2x_free_irq(bp); | |
7241 | ||
228241eb | 7242 | load_error: |
a2fbb9ea ET |
7243 | bnx2x_free_mem(bp); |
7244 | ||
7245 | /* TBD we really need to reset the chip | |
7246 | if we want to recover from this */ | |
228241eb | 7247 | return -EBUSY; |
a2fbb9ea ET |
7248 | } |
7249 | ||
a2fbb9ea ET |
7250 | |
7251 | static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code) | |
7252 | { | |
7253 | int port = bp->port; | |
7254 | #ifdef USE_DMAE | |
7255 | u32 wb_write[2]; | |
7256 | #endif | |
7257 | int base, i; | |
7258 | ||
7259 | DP(NETIF_MSG_IFDOWN, "reset called with code %x\n", reset_code); | |
7260 | ||
7261 | /* Do not rcv packets to BRB */ | |
7262 | REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0); | |
7263 | /* Do not direct rcv packets that are not for MCP to the BRB */ | |
7264 | REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP : | |
7265 | NIG_REG_LLH0_BRB1_NOT_MCP), 0x0); | |
7266 | ||
7267 | /* Configure IGU and AEU */ | |
7268 | REG_WR(bp, HC_REG_CONFIG_0 + port*4, 0x1000); | |
7269 | REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0); | |
7270 | ||
7271 | /* TODO: Close Doorbell port? */ | |
7272 | ||
7273 | /* Clear ILT */ | |
7274 | #ifdef USE_DMAE | |
7275 | wb_write[0] = 0; | |
7276 | wb_write[1] = 0; | |
7277 | #endif | |
7278 | base = port * RQ_ONCHIP_AT_PORT_SIZE; | |
7279 | for (i = base; i < base + RQ_ONCHIP_AT_PORT_SIZE; i++) { | |
7280 | #ifdef USE_DMAE | |
7281 | REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2); | |
7282 | #else | |
7283 | REG_WR_IND(bp, PXP2_REG_RQ_ONCHIP_AT, 0); | |
7284 | REG_WR_IND(bp, PXP2_REG_RQ_ONCHIP_AT + 4, 0); | |
7285 | #endif | |
7286 | } | |
7287 | ||
7288 | if (reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) { | |
7289 | /* reset_common */ | |
7290 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, | |
7291 | 0xd3ffff7f); | |
7292 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, | |
7293 | 0x1403); | |
7294 | } | |
7295 | } | |
7296 | ||
7297 | static int bnx2x_stop_multi(struct bnx2x *bp, int index) | |
7298 | { | |
7299 | ||
7300 | int rc; | |
7301 | ||
c14423fe | 7302 | /* halt the connection */ |
a2fbb9ea ET |
7303 | bp->fp[index].state = BNX2X_FP_STATE_HALTING; |
7304 | bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, index, 0, 0, 0); | |
7305 | ||
7306 | ||
7307 | rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, index, | |
7308 | &(bp->fp[index].state), 1); | |
c14423fe | 7309 | if (rc) /* timeout */ |
a2fbb9ea ET |
7310 | return rc; |
7311 | ||
7312 | /* delete cfc entry */ | |
7313 | bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CFC_DEL, index, 0, 0, 1); | |
7314 | ||
49d66772 | 7315 | return bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, index, |
a2fbb9ea ET |
7316 | &(bp->fp[index].state), 1); |
7317 | ||
7318 | } | |
7319 | ||
7320 | ||
7321 | static void bnx2x_stop_leading(struct bnx2x *bp) | |
7322 | { | |
49d66772 | 7323 | u16 dsb_sp_prod_idx; |
c14423fe | 7324 | /* if the other port is handling traffic, |
a2fbb9ea ET |
7325 | this can take a lot of time */ |
7326 | int timeout = 500; | |
7327 | ||
7328 | might_sleep(); | |
7329 | ||
7330 | /* Send HALT ramrod */ | |
7331 | bp->fp[0].state = BNX2X_FP_STATE_HALTING; | |
7332 | bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, 0, 0, 0, 0); | |
7333 | ||
7334 | if (bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, 0, | |
7335 | &(bp->fp[0].state), 1)) | |
7336 | return; | |
7337 | ||
49d66772 | 7338 | dsb_sp_prod_idx = *bp->dsb_sp_prod; |
a2fbb9ea | 7339 | |
228241eb | 7340 | /* Send PORT_DELETE ramrod */ |
a2fbb9ea ET |
7341 | bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_DEL, 0, 0, 0, 1); |
7342 | ||
49d66772 | 7343 | /* Wait for completion to arrive on default status block |
a2fbb9ea ET |
7344 | we are going to reset the chip anyway |
7345 | so there is not much to do if this times out | |
7346 | */ | |
49d66772 ET |
7347 | while ((dsb_sp_prod_idx == *bp->dsb_sp_prod) && timeout) { |
7348 | timeout--; | |
7349 | msleep(1); | |
a2fbb9ea | 7350 | } |
49d66772 ET |
7351 | if (!timeout) { |
7352 | DP(NETIF_MSG_IFDOWN, "timeout polling for completion " | |
7353 | "dsb_sp_prod 0x%x != dsb_sp_prod_idx 0x%x\n", | |
7354 | *bp->dsb_sp_prod, dsb_sp_prod_idx); | |
7355 | } | |
7356 | bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD; | |
7357 | bp->fp[0].state = BNX2X_FP_STATE_CLOSED; | |
a2fbb9ea ET |
7358 | } |
7359 | ||
49d66772 | 7360 | |
228241eb | 7361 | static int bnx2x_nic_unload(struct bnx2x *bp, int free_irq) |
a2fbb9ea ET |
7362 | { |
7363 | u32 reset_code = 0; | |
228241eb | 7364 | int i, timeout; |
a2fbb9ea ET |
7365 | |
7366 | bp->state = BNX2X_STATE_CLOSING_WAIT4_HALT; | |
7367 | ||
228241eb | 7368 | del_timer_sync(&bp->timer); |
a2fbb9ea | 7369 | |
228241eb ET |
7370 | bp->rx_mode = BNX2X_RX_MODE_NONE; |
7371 | bnx2x_set_storm_rx_mode(bp); | |
a2fbb9ea | 7372 | |
228241eb ET |
7373 | if (netif_running(bp->dev)) { |
7374 | netif_tx_disable(bp->dev); | |
7375 | bp->dev->trans_start = jiffies; /* prevent tx timeout */ | |
7376 | } | |
7377 | ||
7378 | /* Wait until all fast path tasks complete */ | |
7379 | for_each_queue(bp, i) { | |
7380 | struct bnx2x_fastpath *fp = &bp->fp[i]; | |
7381 | ||
7382 | timeout = 1000; | |
7383 | while (bnx2x_has_work(fp) && (timeout--)) | |
7384 | msleep(1); | |
7385 | if (!timeout) | |
7386 | BNX2X_ERR("timeout waiting for queue[%d]\n", i); | |
7387 | } | |
a2fbb9ea ET |
7388 | |
7389 | /* Wait until stat ramrod returns and all SP tasks complete */ | |
228241eb ET |
7390 | timeout = 1000; |
7391 | while ((bp->stat_pending || (bp->spq_left != MAX_SPQ_PENDING)) && | |
7392 | (timeout--)) | |
a2fbb9ea ET |
7393 | msleep(1); |
7394 | ||
228241eb ET |
7395 | for_each_queue(bp, i) |
7396 | napi_disable(&bnx2x_fp(bp, i, napi)); | |
7397 | /* Disable interrupts after Tx and Rx are disabled on stack level */ | |
7398 | bnx2x_int_disable_sync(bp); | |
a2fbb9ea ET |
7399 | |
7400 | if (bp->flags & NO_WOL_FLAG) | |
7401 | reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP; | |
228241eb | 7402 | |
a2fbb9ea ET |
7403 | else if (bp->wol) { |
7404 | u32 emac_base = bp->port ? GRCBASE_EMAC0 : GRCBASE_EMAC1; | |
7405 | u8 *mac_addr = bp->dev->dev_addr; | |
7406 | u32 val = (EMAC_MODE_MPKT | EMAC_MODE_MPKT_RCVD | | |
7407 | EMAC_MODE_ACPI_RCVD); | |
7408 | ||
7409 | EMAC_WR(EMAC_REG_EMAC_MODE, val); | |
7410 | ||
7411 | val = (mac_addr[0] << 8) | mac_addr[1]; | |
7412 | EMAC_WR(EMAC_REG_EMAC_MAC_MATCH, val); | |
7413 | ||
7414 | val = (mac_addr[2] << 24) | (mac_addr[3] << 16) | | |
7415 | (mac_addr[4] << 8) | mac_addr[5]; | |
7416 | EMAC_WR(EMAC_REG_EMAC_MAC_MATCH + 4, val); | |
7417 | ||
7418 | reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN; | |
228241eb | 7419 | |
a2fbb9ea ET |
7420 | } else |
7421 | reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS; | |
7422 | ||
228241eb | 7423 | /* Close multi and leading connections */ |
a2fbb9ea ET |
7424 | for_each_nondefault_queue(bp, i) |
7425 | if (bnx2x_stop_multi(bp, i)) | |
228241eb | 7426 | goto unload_error; |
a2fbb9ea ET |
7427 | |
7428 | bnx2x_stop_leading(bp); | |
228241eb ET |
7429 | if ((bp->state != BNX2X_STATE_CLOSING_WAIT4_UNLOAD) || |
7430 | (bp->fp[0].state != BNX2X_FP_STATE_CLOSED)) { | |
7431 | DP(NETIF_MSG_IFDOWN, "failed to close leading properly!" | |
7432 | "state 0x%x fp[0].state 0x%x", | |
7433 | bp->state, bp->fp[0].state); | |
7434 | } | |
7435 | ||
7436 | unload_error: | |
7437 | bnx2x_link_reset(bp); | |
a2fbb9ea | 7438 | |
a2fbb9ea | 7439 | if (!nomcp) |
228241eb | 7440 | reset_code = bnx2x_fw_command(bp, reset_code); |
a2fbb9ea | 7441 | else |
228241eb | 7442 | reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON; |
a2fbb9ea ET |
7443 | |
7444 | /* Release IRQs */ | |
228241eb | 7445 | if (free_irq) |
a2fbb9ea ET |
7446 | bnx2x_free_irq(bp); |
7447 | ||
7448 | /* Reset the chip */ | |
228241eb | 7449 | bnx2x_reset_chip(bp, reset_code); |
a2fbb9ea ET |
7450 | |
7451 | /* Report UNLOAD_DONE to MCP */ | |
7452 | if (!nomcp) | |
7453 | bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE); | |
7454 | ||
7455 | /* Free SKBs and driver internals */ | |
7456 | bnx2x_free_skbs(bp); | |
7457 | bnx2x_free_mem(bp); | |
7458 | ||
7459 | bp->state = BNX2X_STATE_CLOSED; | |
228241eb | 7460 | |
a2fbb9ea ET |
7461 | netif_carrier_off(bp->dev); |
7462 | ||
7463 | return 0; | |
7464 | } | |
7465 | ||
7466 | /* end of nic load/unload */ | |
7467 | ||
7468 | /* ethtool_ops */ | |
7469 | ||
7470 | /* | |
7471 | * Init service functions | |
7472 | */ | |
7473 | ||
7474 | static void bnx2x_link_settings_supported(struct bnx2x *bp, u32 switch_cfg) | |
7475 | { | |
7476 | int port = bp->port; | |
7477 | u32 ext_phy_type; | |
7478 | ||
7479 | bp->phy_flags = 0; | |
7480 | ||
7481 | switch (switch_cfg) { | |
7482 | case SWITCH_CFG_1G: | |
7483 | BNX2X_DEV_INFO("switch_cfg 0x%x (1G)\n", switch_cfg); | |
7484 | ||
7485 | ext_phy_type = SERDES_EXT_PHY_TYPE(bp); | |
7486 | switch (ext_phy_type) { | |
7487 | case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT: | |
7488 | BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n", | |
7489 | ext_phy_type); | |
7490 | ||
7491 | bp->supported |= (SUPPORTED_10baseT_Half | | |
7492 | SUPPORTED_10baseT_Full | | |
7493 | SUPPORTED_100baseT_Half | | |
7494 | SUPPORTED_100baseT_Full | | |
7495 | SUPPORTED_1000baseT_Full | | |
f1410647 | 7496 | SUPPORTED_2500baseX_Full | |
a2fbb9ea ET |
7497 | SUPPORTED_TP | SUPPORTED_FIBRE | |
7498 | SUPPORTED_Autoneg | | |
7499 | SUPPORTED_Pause | | |
7500 | SUPPORTED_Asym_Pause); | |
7501 | break; | |
7502 | ||
7503 | case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482: | |
7504 | BNX2X_DEV_INFO("ext_phy_type 0x%x (5482)\n", | |
7505 | ext_phy_type); | |
7506 | ||
7507 | bp->phy_flags |= PHY_SGMII_FLAG; | |
7508 | ||
f1410647 ET |
7509 | bp->supported |= (SUPPORTED_10baseT_Half | |
7510 | SUPPORTED_10baseT_Full | | |
7511 | SUPPORTED_100baseT_Half | | |
7512 | SUPPORTED_100baseT_Full | | |
a2fbb9ea ET |
7513 | SUPPORTED_1000baseT_Full | |
7514 | SUPPORTED_TP | SUPPORTED_FIBRE | | |
7515 | SUPPORTED_Autoneg | | |
7516 | SUPPORTED_Pause | | |
7517 | SUPPORTED_Asym_Pause); | |
7518 | break; | |
7519 | ||
7520 | default: | |
7521 | BNX2X_ERR("NVRAM config error. " | |
7522 | "BAD SerDes ext_phy_config 0x%x\n", | |
7523 | bp->ext_phy_config); | |
7524 | return; | |
7525 | } | |
7526 | ||
7527 | bp->phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR + | |
7528 | port*0x10); | |
7529 | BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->phy_addr); | |
7530 | break; | |
7531 | ||
7532 | case SWITCH_CFG_10G: | |
7533 | BNX2X_DEV_INFO("switch_cfg 0x%x (10G)\n", switch_cfg); | |
7534 | ||
7535 | bp->phy_flags |= PHY_XGXS_FLAG; | |
7536 | ||
7537 | ext_phy_type = XGXS_EXT_PHY_TYPE(bp); | |
7538 | switch (ext_phy_type) { | |
7539 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT: | |
7540 | BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n", | |
7541 | ext_phy_type); | |
7542 | ||
7543 | bp->supported |= (SUPPORTED_10baseT_Half | | |
7544 | SUPPORTED_10baseT_Full | | |
7545 | SUPPORTED_100baseT_Half | | |
7546 | SUPPORTED_100baseT_Full | | |
7547 | SUPPORTED_1000baseT_Full | | |
f1410647 | 7548 | SUPPORTED_2500baseX_Full | |
a2fbb9ea ET |
7549 | SUPPORTED_10000baseT_Full | |
7550 | SUPPORTED_TP | SUPPORTED_FIBRE | | |
7551 | SUPPORTED_Autoneg | | |
7552 | SUPPORTED_Pause | | |
7553 | SUPPORTED_Asym_Pause); | |
7554 | break; | |
7555 | ||
7556 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705: | |
f1410647 ET |
7557 | BNX2X_DEV_INFO("ext_phy_type 0x%x (8705)\n", |
7558 | ext_phy_type); | |
7559 | ||
7560 | bp->supported |= (SUPPORTED_10000baseT_Full | | |
7561 | SUPPORTED_FIBRE | | |
7562 | SUPPORTED_Pause | | |
7563 | SUPPORTED_Asym_Pause); | |
7564 | break; | |
7565 | ||
a2fbb9ea | 7566 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706: |
f1410647 ET |
7567 | BNX2X_DEV_INFO("ext_phy_type 0x%x (8706)\n", |
7568 | ext_phy_type); | |
7569 | ||
7570 | bp->supported |= (SUPPORTED_10000baseT_Full | | |
7571 | SUPPORTED_1000baseT_Full | | |
7572 | SUPPORTED_Autoneg | | |
7573 | SUPPORTED_FIBRE | | |
7574 | SUPPORTED_Pause | | |
7575 | SUPPORTED_Asym_Pause); | |
7576 | break; | |
7577 | ||
7578 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072: | |
7579 | BNX2X_DEV_INFO("ext_phy_type 0x%x (8072)\n", | |
a2fbb9ea ET |
7580 | ext_phy_type); |
7581 | ||
7582 | bp->supported |= (SUPPORTED_10000baseT_Full | | |
f1410647 | 7583 | SUPPORTED_1000baseT_Full | |
a2fbb9ea | 7584 | SUPPORTED_FIBRE | |
f1410647 ET |
7585 | SUPPORTED_Autoneg | |
7586 | SUPPORTED_Pause | | |
7587 | SUPPORTED_Asym_Pause); | |
7588 | break; | |
7589 | ||
7590 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101: | |
7591 | BNX2X_DEV_INFO("ext_phy_type 0x%x (SFX7101)\n", | |
7592 | ext_phy_type); | |
7593 | ||
7594 | bp->supported |= (SUPPORTED_10000baseT_Full | | |
7595 | SUPPORTED_TP | | |
7596 | SUPPORTED_Autoneg | | |
a2fbb9ea ET |
7597 | SUPPORTED_Pause | |
7598 | SUPPORTED_Asym_Pause); | |
7599 | break; | |
7600 | ||
7601 | default: | |
7602 | BNX2X_ERR("NVRAM config error. " | |
7603 | "BAD XGXS ext_phy_config 0x%x\n", | |
7604 | bp->ext_phy_config); | |
7605 | return; | |
7606 | } | |
7607 | ||
7608 | bp->phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR + | |
7609 | port*0x18); | |
7610 | BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->phy_addr); | |
7611 | ||
7612 | bp->ser_lane = ((bp->lane_config & | |
7613 | PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >> | |
7614 | PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT); | |
7615 | bp->rx_lane_swap = ((bp->lane_config & | |
7616 | PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >> | |
7617 | PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT); | |
7618 | bp->tx_lane_swap = ((bp->lane_config & | |
7619 | PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >> | |
7620 | PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT); | |
7621 | BNX2X_DEV_INFO("rx_lane_swap 0x%x tx_lane_swap 0x%x\n", | |
7622 | bp->rx_lane_swap, bp->tx_lane_swap); | |
7623 | break; | |
7624 | ||
7625 | default: | |
7626 | BNX2X_ERR("BAD switch_cfg link_config 0x%x\n", | |
7627 | bp->link_config); | |
7628 | return; | |
7629 | } | |
7630 | ||
7631 | /* mask what we support according to speed_cap_mask */ | |
7632 | if (!(bp->speed_cap_mask & | |
7633 | PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) | |
7634 | bp->supported &= ~SUPPORTED_10baseT_Half; | |
7635 | ||
7636 | if (!(bp->speed_cap_mask & | |
7637 | PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL)) | |
7638 | bp->supported &= ~SUPPORTED_10baseT_Full; | |
7639 | ||
7640 | if (!(bp->speed_cap_mask & | |
7641 | PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)) | |
7642 | bp->supported &= ~SUPPORTED_100baseT_Half; | |
7643 | ||
7644 | if (!(bp->speed_cap_mask & | |
7645 | PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL)) | |
7646 | bp->supported &= ~SUPPORTED_100baseT_Full; | |
7647 | ||
7648 | if (!(bp->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) | |
7649 | bp->supported &= ~(SUPPORTED_1000baseT_Half | | |
7650 | SUPPORTED_1000baseT_Full); | |
7651 | ||
7652 | if (!(bp->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)) | |
f1410647 | 7653 | bp->supported &= ~SUPPORTED_2500baseX_Full; |
a2fbb9ea ET |
7654 | |
7655 | if (!(bp->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) | |
7656 | bp->supported &= ~SUPPORTED_10000baseT_Full; | |
7657 | ||
7658 | BNX2X_DEV_INFO("supported 0x%x\n", bp->supported); | |
7659 | } | |
7660 | ||
7661 | static void bnx2x_link_settings_requested(struct bnx2x *bp) | |
7662 | { | |
7663 | bp->req_autoneg = 0; | |
7664 | bp->req_duplex = DUPLEX_FULL; | |
7665 | ||
7666 | switch (bp->link_config & PORT_FEATURE_LINK_SPEED_MASK) { | |
7667 | case PORT_FEATURE_LINK_SPEED_AUTO: | |
7668 | if (bp->supported & SUPPORTED_Autoneg) { | |
7669 | bp->req_autoneg |= AUTONEG_SPEED; | |
7670 | bp->req_line_speed = 0; | |
7671 | bp->advertising = bp->supported; | |
7672 | } else { | |
f1410647 ET |
7673 | if (XGXS_EXT_PHY_TYPE(bp) == |
7674 | PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) { | |
a2fbb9ea ET |
7675 | /* force 10G, no AN */ |
7676 | bp->req_line_speed = SPEED_10000; | |
7677 | bp->advertising = | |
7678 | (ADVERTISED_10000baseT_Full | | |
7679 | ADVERTISED_FIBRE); | |
7680 | break; | |
7681 | } | |
7682 | BNX2X_ERR("NVRAM config error. " | |
7683 | "Invalid link_config 0x%x" | |
7684 | " Autoneg not supported\n", | |
7685 | bp->link_config); | |
7686 | return; | |
7687 | } | |
7688 | break; | |
7689 | ||
7690 | case PORT_FEATURE_LINK_SPEED_10M_FULL: | |
f1410647 | 7691 | if (bp->supported & SUPPORTED_10baseT_Full) { |
a2fbb9ea ET |
7692 | bp->req_line_speed = SPEED_10; |
7693 | bp->advertising = (ADVERTISED_10baseT_Full | | |
7694 | ADVERTISED_TP); | |
7695 | } else { | |
7696 | BNX2X_ERR("NVRAM config error. " | |
7697 | "Invalid link_config 0x%x" | |
7698 | " speed_cap_mask 0x%x\n", | |
7699 | bp->link_config, bp->speed_cap_mask); | |
7700 | return; | |
7701 | } | |
7702 | break; | |
7703 | ||
7704 | case PORT_FEATURE_LINK_SPEED_10M_HALF: | |
f1410647 | 7705 | if (bp->supported & SUPPORTED_10baseT_Half) { |
a2fbb9ea ET |
7706 | bp->req_line_speed = SPEED_10; |
7707 | bp->req_duplex = DUPLEX_HALF; | |
7708 | bp->advertising = (ADVERTISED_10baseT_Half | | |
7709 | ADVERTISED_TP); | |
7710 | } else { | |
7711 | BNX2X_ERR("NVRAM config error. " | |
7712 | "Invalid link_config 0x%x" | |
7713 | " speed_cap_mask 0x%x\n", | |
7714 | bp->link_config, bp->speed_cap_mask); | |
7715 | return; | |
7716 | } | |
7717 | break; | |
7718 | ||
7719 | case PORT_FEATURE_LINK_SPEED_100M_FULL: | |
f1410647 | 7720 | if (bp->supported & SUPPORTED_100baseT_Full) { |
a2fbb9ea ET |
7721 | bp->req_line_speed = SPEED_100; |
7722 | bp->advertising = (ADVERTISED_100baseT_Full | | |
7723 | ADVERTISED_TP); | |
7724 | } else { | |
7725 | BNX2X_ERR("NVRAM config error. " | |
7726 | "Invalid link_config 0x%x" | |
7727 | " speed_cap_mask 0x%x\n", | |
7728 | bp->link_config, bp->speed_cap_mask); | |
7729 | return; | |
7730 | } | |
7731 | break; | |
7732 | ||
7733 | case PORT_FEATURE_LINK_SPEED_100M_HALF: | |
f1410647 | 7734 | if (bp->supported & SUPPORTED_100baseT_Half) { |
a2fbb9ea ET |
7735 | bp->req_line_speed = SPEED_100; |
7736 | bp->req_duplex = DUPLEX_HALF; | |
7737 | bp->advertising = (ADVERTISED_100baseT_Half | | |
7738 | ADVERTISED_TP); | |
7739 | } else { | |
7740 | BNX2X_ERR("NVRAM config error. " | |
7741 | "Invalid link_config 0x%x" | |
7742 | " speed_cap_mask 0x%x\n", | |
7743 | bp->link_config, bp->speed_cap_mask); | |
7744 | return; | |
7745 | } | |
7746 | break; | |
7747 | ||
7748 | case PORT_FEATURE_LINK_SPEED_1G: | |
f1410647 | 7749 | if (bp->supported & SUPPORTED_1000baseT_Full) { |
a2fbb9ea ET |
7750 | bp->req_line_speed = SPEED_1000; |
7751 | bp->advertising = (ADVERTISED_1000baseT_Full | | |
7752 | ADVERTISED_TP); | |
7753 | } else { | |
7754 | BNX2X_ERR("NVRAM config error. " | |
7755 | "Invalid link_config 0x%x" | |
7756 | " speed_cap_mask 0x%x\n", | |
7757 | bp->link_config, bp->speed_cap_mask); | |
7758 | return; | |
7759 | } | |
7760 | break; | |
7761 | ||
7762 | case PORT_FEATURE_LINK_SPEED_2_5G: | |
f1410647 | 7763 | if (bp->supported & SUPPORTED_2500baseX_Full) { |
a2fbb9ea | 7764 | bp->req_line_speed = SPEED_2500; |
f1410647 | 7765 | bp->advertising = (ADVERTISED_2500baseX_Full | |
a2fbb9ea ET |
7766 | ADVERTISED_TP); |
7767 | } else { | |
7768 | BNX2X_ERR("NVRAM config error. " | |
7769 | "Invalid link_config 0x%x" | |
7770 | " speed_cap_mask 0x%x\n", | |
7771 | bp->link_config, bp->speed_cap_mask); | |
7772 | return; | |
7773 | } | |
7774 | break; | |
7775 | ||
7776 | case PORT_FEATURE_LINK_SPEED_10G_CX4: | |
7777 | case PORT_FEATURE_LINK_SPEED_10G_KX4: | |
7778 | case PORT_FEATURE_LINK_SPEED_10G_KR: | |
f1410647 | 7779 | if (bp->supported & SUPPORTED_10000baseT_Full) { |
a2fbb9ea ET |
7780 | bp->req_line_speed = SPEED_10000; |
7781 | bp->advertising = (ADVERTISED_10000baseT_Full | | |
7782 | ADVERTISED_FIBRE); | |
7783 | } else { | |
7784 | BNX2X_ERR("NVRAM config error. " | |
7785 | "Invalid link_config 0x%x" | |
7786 | " speed_cap_mask 0x%x\n", | |
7787 | bp->link_config, bp->speed_cap_mask); | |
7788 | return; | |
7789 | } | |
7790 | break; | |
7791 | ||
7792 | default: | |
7793 | BNX2X_ERR("NVRAM config error. " | |
7794 | "BAD link speed link_config 0x%x\n", | |
7795 | bp->link_config); | |
7796 | bp->req_autoneg |= AUTONEG_SPEED; | |
7797 | bp->req_line_speed = 0; | |
7798 | bp->advertising = bp->supported; | |
7799 | break; | |
7800 | } | |
7801 | BNX2X_DEV_INFO("req_line_speed %d req_duplex %d\n", | |
7802 | bp->req_line_speed, bp->req_duplex); | |
7803 | ||
7804 | bp->req_flow_ctrl = (bp->link_config & | |
7805 | PORT_FEATURE_FLOW_CONTROL_MASK); | |
f1410647 ET |
7806 | if ((bp->req_flow_ctrl == FLOW_CTRL_AUTO) && |
7807 | (bp->supported & SUPPORTED_Autoneg)) | |
a2fbb9ea | 7808 | bp->req_autoneg |= AUTONEG_FLOW_CTRL; |
a2fbb9ea | 7809 | |
f1410647 ET |
7810 | BNX2X_DEV_INFO("req_autoneg 0x%x req_flow_ctrl 0x%x" |
7811 | " advertising 0x%x\n", | |
7812 | bp->req_autoneg, bp->req_flow_ctrl, bp->advertising); | |
a2fbb9ea ET |
7813 | } |
7814 | ||
7815 | static void bnx2x_get_hwinfo(struct bnx2x *bp) | |
7816 | { | |
7817 | u32 val, val2, val3, val4, id; | |
7818 | int port = bp->port; | |
7819 | u32 switch_cfg; | |
7820 | ||
7821 | bp->shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR); | |
7822 | BNX2X_DEV_INFO("shmem offset is %x\n", bp->shmem_base); | |
7823 | ||
7824 | /* Get the chip revision id and number. */ | |
7825 | /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */ | |
7826 | val = REG_RD(bp, MISC_REG_CHIP_NUM); | |
7827 | id = ((val & 0xffff) << 16); | |
7828 | val = REG_RD(bp, MISC_REG_CHIP_REV); | |
7829 | id |= ((val & 0xf) << 12); | |
7830 | val = REG_RD(bp, MISC_REG_CHIP_METAL); | |
7831 | id |= ((val & 0xff) << 4); | |
7832 | REG_RD(bp, MISC_REG_BOND_ID); | |
7833 | id |= (val & 0xf); | |
7834 | bp->chip_id = id; | |
7835 | BNX2X_DEV_INFO("chip ID is %x\n", id); | |
7836 | ||
7837 | if (!bp->shmem_base || (bp->shmem_base != 0xAF900)) { | |
7838 | BNX2X_DEV_INFO("MCP not active\n"); | |
7839 | nomcp = 1; | |
7840 | goto set_mac; | |
7841 | } | |
7842 | ||
7843 | val = SHMEM_RD(bp, validity_map[port]); | |
7844 | if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) | |
f1410647 ET |
7845 | != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) |
7846 | BNX2X_ERR("BAD MCP validity signature\n"); | |
a2fbb9ea | 7847 | |
f1410647 | 7848 | bp->fw_seq = (SHMEM_RD(bp, func_mb[port].drv_mb_header) & |
a2fbb9ea ET |
7849 | DRV_MSG_SEQ_NUMBER_MASK); |
7850 | ||
7851 | bp->hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config); | |
f1410647 | 7852 | bp->board = SHMEM_RD(bp, dev_info.shared_hw_config.board); |
a2fbb9ea | 7853 | bp->serdes_config = |
f1410647 | 7854 | SHMEM_RD(bp, dev_info.port_hw_config[port].serdes_config); |
a2fbb9ea ET |
7855 | bp->lane_config = |
7856 | SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config); | |
7857 | bp->ext_phy_config = | |
7858 | SHMEM_RD(bp, | |
7859 | dev_info.port_hw_config[port].external_phy_config); | |
7860 | bp->speed_cap_mask = | |
7861 | SHMEM_RD(bp, | |
7862 | dev_info.port_hw_config[port].speed_capability_mask); | |
7863 | ||
7864 | bp->link_config = | |
7865 | SHMEM_RD(bp, dev_info.port_feature_config[port].link_config); | |
7866 | ||
f1410647 | 7867 | BNX2X_DEV_INFO("hw_config (%08x) board (%08x) serdes_config (%08x)\n" |
a2fbb9ea ET |
7868 | KERN_INFO " lane_config (%08x) ext_phy_config (%08x)\n" |
7869 | KERN_INFO " speed_cap_mask (%08x) link_config (%08x)" | |
7870 | " fw_seq (%08x)\n", | |
f1410647 ET |
7871 | bp->hw_config, bp->board, bp->serdes_config, |
7872 | bp->lane_config, bp->ext_phy_config, | |
7873 | bp->speed_cap_mask, bp->link_config, bp->fw_seq); | |
a2fbb9ea ET |
7874 | |
7875 | switch_cfg = (bp->link_config & PORT_FEATURE_CONNECTED_SWITCH_MASK); | |
7876 | bnx2x_link_settings_supported(bp, switch_cfg); | |
7877 | ||
7878 | bp->autoneg = (bp->hw_config & SHARED_HW_CFG_AN_ENABLE_MASK); | |
7879 | /* for now disable cl73 */ | |
7880 | bp->autoneg &= ~SHARED_HW_CFG_AN_ENABLE_CL73; | |
7881 | BNX2X_DEV_INFO("autoneg 0x%x\n", bp->autoneg); | |
7882 | ||
7883 | bnx2x_link_settings_requested(bp); | |
7884 | ||
7885 | val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper); | |
7886 | val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower); | |
7887 | bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff); | |
7888 | bp->dev->dev_addr[1] = (u8)(val2 & 0xff); | |
7889 | bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff); | |
7890 | bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff); | |
7891 | bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff); | |
7892 | bp->dev->dev_addr[5] = (u8)(val & 0xff); | |
7893 | ||
7894 | memcpy(bp->dev->perm_addr, bp->dev->dev_addr, 6); | |
7895 | ||
7896 | ||
7897 | val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num); | |
7898 | val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]); | |
7899 | val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]); | |
7900 | val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]); | |
7901 | ||
7902 | printk(KERN_INFO PFX "part number %X-%X-%X-%X\n", | |
7903 | val, val2, val3, val4); | |
7904 | ||
7905 | /* bc ver */ | |
7906 | if (!nomcp) { | |
7907 | bp->bc_ver = val = ((SHMEM_RD(bp, dev_info.bc_rev)) >> 8); | |
7908 | BNX2X_DEV_INFO("bc_ver %X\n", val); | |
7909 | if (val < BNX2X_BC_VER) { | |
7910 | /* for now only warn | |
7911 | * later we might need to enforce this */ | |
7912 | BNX2X_ERR("This driver needs bc_ver %X but found %X," | |
7913 | " please upgrade BC\n", BNX2X_BC_VER, val); | |
7914 | } | |
7915 | } else { | |
7916 | bp->bc_ver = 0; | |
7917 | } | |
7918 | ||
7919 | val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4); | |
7920 | bp->flash_size = (NVRAM_1MB_SIZE << (val & MCPR_NVM_CFG4_FLASH_SIZE)); | |
7921 | BNX2X_DEV_INFO("flash_size 0x%x (%d)\n", | |
7922 | bp->flash_size, bp->flash_size); | |
7923 | ||
7924 | return; | |
7925 | ||
7926 | set_mac: /* only supposed to happen on emulation/FPGA */ | |
f1410647 ET |
7927 | BNX2X_ERR("warning rendom MAC workaround active\n"); |
7928 | random_ether_addr(bp->dev->dev_addr); | |
a2fbb9ea ET |
7929 | memcpy(bp->dev->perm_addr, bp->dev->dev_addr, 6); |
7930 | ||
7931 | } | |
7932 | ||
7933 | /* | |
7934 | * ethtool service functions | |
7935 | */ | |
7936 | ||
7937 | /* All ethtool functions called with rtnl_lock */ | |
7938 | ||
7939 | static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) | |
7940 | { | |
7941 | struct bnx2x *bp = netdev_priv(dev); | |
7942 | ||
7943 | cmd->supported = bp->supported; | |
7944 | cmd->advertising = bp->advertising; | |
7945 | ||
7946 | if (netif_carrier_ok(dev)) { | |
7947 | cmd->speed = bp->line_speed; | |
7948 | cmd->duplex = bp->duplex; | |
7949 | } else { | |
7950 | cmd->speed = bp->req_line_speed; | |
7951 | cmd->duplex = bp->req_duplex; | |
7952 | } | |
7953 | ||
7954 | if (bp->phy_flags & PHY_XGXS_FLAG) { | |
f1410647 ET |
7955 | u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp); |
7956 | ||
7957 | switch (ext_phy_type) { | |
7958 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT: | |
7959 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705: | |
7960 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706: | |
7961 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072: | |
7962 | cmd->port = PORT_FIBRE; | |
7963 | break; | |
7964 | ||
7965 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101: | |
7966 | cmd->port = PORT_TP; | |
7967 | break; | |
7968 | ||
7969 | default: | |
7970 | DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n", | |
7971 | bp->ext_phy_config); | |
7972 | } | |
7973 | } else | |
a2fbb9ea | 7974 | cmd->port = PORT_TP; |
a2fbb9ea ET |
7975 | |
7976 | cmd->phy_address = bp->phy_addr; | |
7977 | cmd->transceiver = XCVR_INTERNAL; | |
7978 | ||
f1410647 | 7979 | if (bp->req_autoneg & AUTONEG_SPEED) |
a2fbb9ea | 7980 | cmd->autoneg = AUTONEG_ENABLE; |
f1410647 | 7981 | else |
a2fbb9ea | 7982 | cmd->autoneg = AUTONEG_DISABLE; |
a2fbb9ea ET |
7983 | |
7984 | cmd->maxtxpkt = 0; | |
7985 | cmd->maxrxpkt = 0; | |
7986 | ||
7987 | DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n" | |
7988 | DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n" | |
7989 | DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n" | |
7990 | DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n", | |
7991 | cmd->cmd, cmd->supported, cmd->advertising, cmd->speed, | |
7992 | cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver, | |
7993 | cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt); | |
7994 | ||
7995 | return 0; | |
7996 | } | |
7997 | ||
7998 | static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) | |
7999 | { | |
8000 | struct bnx2x *bp = netdev_priv(dev); | |
8001 | u32 advertising; | |
8002 | ||
8003 | DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n" | |
8004 | DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n" | |
8005 | DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n" | |
8006 | DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n", | |
8007 | cmd->cmd, cmd->supported, cmd->advertising, cmd->speed, | |
8008 | cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver, | |
8009 | cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt); | |
8010 | ||
a2fbb9ea | 8011 | if (cmd->autoneg == AUTONEG_ENABLE) { |
f1410647 ET |
8012 | if (!(bp->supported & SUPPORTED_Autoneg)) { |
8013 | DP(NETIF_MSG_LINK, "Aotoneg not supported\n"); | |
a2fbb9ea | 8014 | return -EINVAL; |
f1410647 | 8015 | } |
a2fbb9ea ET |
8016 | |
8017 | /* advertise the requested speed and duplex if supported */ | |
8018 | cmd->advertising &= bp->supported; | |
8019 | ||
8020 | bp->req_autoneg |= AUTONEG_SPEED; | |
8021 | bp->req_line_speed = 0; | |
8022 | bp->req_duplex = DUPLEX_FULL; | |
8023 | bp->advertising |= (ADVERTISED_Autoneg | cmd->advertising); | |
8024 | ||
8025 | } else { /* forced speed */ | |
8026 | /* advertise the requested speed and duplex if supported */ | |
8027 | switch (cmd->speed) { | |
8028 | case SPEED_10: | |
8029 | if (cmd->duplex == DUPLEX_FULL) { | |
f1410647 ET |
8030 | if (!(bp->supported & |
8031 | SUPPORTED_10baseT_Full)) { | |
8032 | DP(NETIF_MSG_LINK, | |
8033 | "10M full not supported\n"); | |
a2fbb9ea | 8034 | return -EINVAL; |
f1410647 | 8035 | } |
a2fbb9ea ET |
8036 | |
8037 | advertising = (ADVERTISED_10baseT_Full | | |
8038 | ADVERTISED_TP); | |
8039 | } else { | |
f1410647 ET |
8040 | if (!(bp->supported & |
8041 | SUPPORTED_10baseT_Half)) { | |
8042 | DP(NETIF_MSG_LINK, | |
8043 | "10M half not supported\n"); | |
a2fbb9ea | 8044 | return -EINVAL; |
f1410647 | 8045 | } |
a2fbb9ea ET |
8046 | |
8047 | advertising = (ADVERTISED_10baseT_Half | | |
8048 | ADVERTISED_TP); | |
8049 | } | |
8050 | break; | |
8051 | ||
8052 | case SPEED_100: | |
8053 | if (cmd->duplex == DUPLEX_FULL) { | |
8054 | if (!(bp->supported & | |
f1410647 ET |
8055 | SUPPORTED_100baseT_Full)) { |
8056 | DP(NETIF_MSG_LINK, | |
8057 | "100M full not supported\n"); | |
a2fbb9ea | 8058 | return -EINVAL; |
f1410647 | 8059 | } |
a2fbb9ea ET |
8060 | |
8061 | advertising = (ADVERTISED_100baseT_Full | | |
8062 | ADVERTISED_TP); | |
8063 | } else { | |
8064 | if (!(bp->supported & | |
f1410647 ET |
8065 | SUPPORTED_100baseT_Half)) { |
8066 | DP(NETIF_MSG_LINK, | |
8067 | "100M half not supported\n"); | |
a2fbb9ea | 8068 | return -EINVAL; |
f1410647 | 8069 | } |
a2fbb9ea ET |
8070 | |
8071 | advertising = (ADVERTISED_100baseT_Half | | |
8072 | ADVERTISED_TP); | |
8073 | } | |
8074 | break; | |
8075 | ||
8076 | case SPEED_1000: | |
f1410647 ET |
8077 | if (cmd->duplex != DUPLEX_FULL) { |
8078 | DP(NETIF_MSG_LINK, "1G half not supported\n"); | |
a2fbb9ea | 8079 | return -EINVAL; |
f1410647 | 8080 | } |
a2fbb9ea | 8081 | |
f1410647 ET |
8082 | if (!(bp->supported & SUPPORTED_1000baseT_Full)) { |
8083 | DP(NETIF_MSG_LINK, "1G full not supported\n"); | |
a2fbb9ea | 8084 | return -EINVAL; |
f1410647 | 8085 | } |
a2fbb9ea ET |
8086 | |
8087 | advertising = (ADVERTISED_1000baseT_Full | | |
8088 | ADVERTISED_TP); | |
8089 | break; | |
8090 | ||
8091 | case SPEED_2500: | |
f1410647 ET |
8092 | if (cmd->duplex != DUPLEX_FULL) { |
8093 | DP(NETIF_MSG_LINK, | |
8094 | "2.5G half not supported\n"); | |
a2fbb9ea | 8095 | return -EINVAL; |
f1410647 | 8096 | } |
a2fbb9ea | 8097 | |
f1410647 ET |
8098 | if (!(bp->supported & SUPPORTED_2500baseX_Full)) { |
8099 | DP(NETIF_MSG_LINK, | |
8100 | "2.5G full not supported\n"); | |
a2fbb9ea | 8101 | return -EINVAL; |
f1410647 | 8102 | } |
a2fbb9ea | 8103 | |
f1410647 | 8104 | advertising = (ADVERTISED_2500baseX_Full | |
a2fbb9ea ET |
8105 | ADVERTISED_TP); |
8106 | break; | |
8107 | ||
8108 | case SPEED_10000: | |
f1410647 ET |
8109 | if (cmd->duplex != DUPLEX_FULL) { |
8110 | DP(NETIF_MSG_LINK, "10G half not supported\n"); | |
a2fbb9ea | 8111 | return -EINVAL; |
f1410647 | 8112 | } |
a2fbb9ea | 8113 | |
f1410647 ET |
8114 | if (!(bp->supported & SUPPORTED_10000baseT_Full)) { |
8115 | DP(NETIF_MSG_LINK, "10G full not supported\n"); | |
a2fbb9ea | 8116 | return -EINVAL; |
f1410647 | 8117 | } |
a2fbb9ea ET |
8118 | |
8119 | advertising = (ADVERTISED_10000baseT_Full | | |
8120 | ADVERTISED_FIBRE); | |
8121 | break; | |
8122 | ||
8123 | default: | |
f1410647 | 8124 | DP(NETIF_MSG_LINK, "Unsupported speed\n"); |
a2fbb9ea ET |
8125 | return -EINVAL; |
8126 | } | |
8127 | ||
8128 | bp->req_autoneg &= ~AUTONEG_SPEED; | |
8129 | bp->req_line_speed = cmd->speed; | |
8130 | bp->req_duplex = cmd->duplex; | |
8131 | bp->advertising = advertising; | |
8132 | } | |
8133 | ||
8134 | DP(NETIF_MSG_LINK, "req_autoneg 0x%x req_line_speed %d\n" | |
8135 | DP_LEVEL " req_duplex %d advertising 0x%x\n", | |
8136 | bp->req_autoneg, bp->req_line_speed, bp->req_duplex, | |
8137 | bp->advertising); | |
8138 | ||
8139 | bnx2x_stop_stats(bp); | |
8140 | bnx2x_link_initialize(bp); | |
8141 | ||
8142 | return 0; | |
8143 | } | |
8144 | ||
8145 | static void bnx2x_get_drvinfo(struct net_device *dev, | |
8146 | struct ethtool_drvinfo *info) | |
8147 | { | |
8148 | struct bnx2x *bp = netdev_priv(dev); | |
8149 | ||
8150 | strcpy(info->driver, DRV_MODULE_NAME); | |
8151 | strcpy(info->version, DRV_MODULE_VERSION); | |
8152 | snprintf(info->fw_version, 32, "%d.%d.%d:%d (BC VER %x)", | |
8153 | BCM_5710_FW_MAJOR_VERSION, BCM_5710_FW_MINOR_VERSION, | |
8154 | BCM_5710_FW_REVISION_VERSION, BCM_5710_FW_COMPILE_FLAGS, | |
8155 | bp->bc_ver); | |
8156 | strcpy(info->bus_info, pci_name(bp->pdev)); | |
8157 | info->n_stats = BNX2X_NUM_STATS; | |
8158 | info->testinfo_len = BNX2X_NUM_TESTS; | |
8159 | info->eedump_len = bp->flash_size; | |
8160 | info->regdump_len = 0; | |
8161 | } | |
8162 | ||
8163 | static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) | |
8164 | { | |
8165 | struct bnx2x *bp = netdev_priv(dev); | |
8166 | ||
8167 | if (bp->flags & NO_WOL_FLAG) { | |
8168 | wol->supported = 0; | |
8169 | wol->wolopts = 0; | |
8170 | } else { | |
8171 | wol->supported = WAKE_MAGIC; | |
8172 | if (bp->wol) | |
8173 | wol->wolopts = WAKE_MAGIC; | |
8174 | else | |
8175 | wol->wolopts = 0; | |
8176 | } | |
8177 | memset(&wol->sopass, 0, sizeof(wol->sopass)); | |
8178 | } | |
8179 | ||
8180 | static int bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) | |
8181 | { | |
8182 | struct bnx2x *bp = netdev_priv(dev); | |
8183 | ||
8184 | if (wol->wolopts & ~WAKE_MAGIC) | |
8185 | return -EINVAL; | |
8186 | ||
8187 | if (wol->wolopts & WAKE_MAGIC) { | |
8188 | if (bp->flags & NO_WOL_FLAG) | |
8189 | return -EINVAL; | |
8190 | ||
8191 | bp->wol = 1; | |
8192 | } else { | |
8193 | bp->wol = 0; | |
8194 | } | |
8195 | return 0; | |
8196 | } | |
8197 | ||
8198 | static u32 bnx2x_get_msglevel(struct net_device *dev) | |
8199 | { | |
8200 | struct bnx2x *bp = netdev_priv(dev); | |
8201 | ||
8202 | return bp->msglevel; | |
8203 | } | |
8204 | ||
8205 | static void bnx2x_set_msglevel(struct net_device *dev, u32 level) | |
8206 | { | |
8207 | struct bnx2x *bp = netdev_priv(dev); | |
8208 | ||
8209 | if (capable(CAP_NET_ADMIN)) | |
8210 | bp->msglevel = level; | |
8211 | } | |
8212 | ||
8213 | static int bnx2x_nway_reset(struct net_device *dev) | |
8214 | { | |
8215 | struct bnx2x *bp = netdev_priv(dev); | |
8216 | ||
8217 | if (bp->state != BNX2X_STATE_OPEN) { | |
8218 | DP(NETIF_MSG_PROBE, "state is %x, returning\n", bp->state); | |
8219 | return -EAGAIN; | |
8220 | } | |
8221 | ||
8222 | bnx2x_stop_stats(bp); | |
8223 | bnx2x_link_initialize(bp); | |
8224 | ||
8225 | return 0; | |
8226 | } | |
8227 | ||
8228 | static int bnx2x_get_eeprom_len(struct net_device *dev) | |
8229 | { | |
8230 | struct bnx2x *bp = netdev_priv(dev); | |
8231 | ||
8232 | return bp->flash_size; | |
8233 | } | |
8234 | ||
8235 | static int bnx2x_acquire_nvram_lock(struct bnx2x *bp) | |
8236 | { | |
8237 | int port = bp->port; | |
8238 | int count, i; | |
8239 | u32 val = 0; | |
8240 | ||
8241 | /* adjust timeout for emulation/FPGA */ | |
8242 | count = NVRAM_TIMEOUT_COUNT; | |
8243 | if (CHIP_REV_IS_SLOW(bp)) | |
8244 | count *= 100; | |
8245 | ||
8246 | /* request access to nvram interface */ | |
8247 | REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB, | |
8248 | (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port)); | |
8249 | ||
8250 | for (i = 0; i < count*10; i++) { | |
8251 | val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB); | |
8252 | if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) | |
8253 | break; | |
8254 | ||
8255 | udelay(5); | |
8256 | } | |
8257 | ||
8258 | if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) { | |
8259 | DP(NETIF_MSG_NVM, "cannot get access to nvram interface\n"); | |
8260 | return -EBUSY; | |
8261 | } | |
8262 | ||
8263 | return 0; | |
8264 | } | |
8265 | ||
8266 | static int bnx2x_release_nvram_lock(struct bnx2x *bp) | |
8267 | { | |
8268 | int port = bp->port; | |
8269 | int count, i; | |
8270 | u32 val = 0; | |
8271 | ||
8272 | /* adjust timeout for emulation/FPGA */ | |
8273 | count = NVRAM_TIMEOUT_COUNT; | |
8274 | if (CHIP_REV_IS_SLOW(bp)) | |
8275 | count *= 100; | |
8276 | ||
8277 | /* relinquish nvram interface */ | |
8278 | REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB, | |
8279 | (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port)); | |
8280 | ||
8281 | for (i = 0; i < count*10; i++) { | |
8282 | val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB); | |
8283 | if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) | |
8284 | break; | |
8285 | ||
8286 | udelay(5); | |
8287 | } | |
8288 | ||
8289 | if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) { | |
8290 | DP(NETIF_MSG_NVM, "cannot free access to nvram interface\n"); | |
8291 | return -EBUSY; | |
8292 | } | |
8293 | ||
8294 | return 0; | |
8295 | } | |
8296 | ||
8297 | static void bnx2x_enable_nvram_access(struct bnx2x *bp) | |
8298 | { | |
8299 | u32 val; | |
8300 | ||
8301 | val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE); | |
8302 | ||
8303 | /* enable both bits, even on read */ | |
8304 | REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE, | |
8305 | (val | MCPR_NVM_ACCESS_ENABLE_EN | | |
8306 | MCPR_NVM_ACCESS_ENABLE_WR_EN)); | |
8307 | } | |
8308 | ||
8309 | static void bnx2x_disable_nvram_access(struct bnx2x *bp) | |
8310 | { | |
8311 | u32 val; | |
8312 | ||
8313 | val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE); | |
8314 | ||
8315 | /* disable both bits, even after read */ | |
8316 | REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE, | |
8317 | (val & ~(MCPR_NVM_ACCESS_ENABLE_EN | | |
8318 | MCPR_NVM_ACCESS_ENABLE_WR_EN))); | |
8319 | } | |
8320 | ||
8321 | static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, u32 *ret_val, | |
8322 | u32 cmd_flags) | |
8323 | { | |
f1410647 | 8324 | int count, i, rc; |
a2fbb9ea ET |
8325 | u32 val; |
8326 | ||
8327 | /* build the command word */ | |
8328 | cmd_flags |= MCPR_NVM_COMMAND_DOIT; | |
8329 | ||
8330 | /* need to clear DONE bit separately */ | |
8331 | REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE); | |
8332 | ||
8333 | /* address of the NVRAM to read from */ | |
8334 | REG_WR(bp, MCP_REG_MCPR_NVM_ADDR, | |
8335 | (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE)); | |
8336 | ||
8337 | /* issue a read command */ | |
8338 | REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags); | |
8339 | ||
8340 | /* adjust timeout for emulation/FPGA */ | |
8341 | count = NVRAM_TIMEOUT_COUNT; | |
8342 | if (CHIP_REV_IS_SLOW(bp)) | |
8343 | count *= 100; | |
8344 | ||
8345 | /* wait for completion */ | |
8346 | *ret_val = 0; | |
8347 | rc = -EBUSY; | |
8348 | for (i = 0; i < count; i++) { | |
8349 | udelay(5); | |
8350 | val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND); | |
8351 | ||
8352 | if (val & MCPR_NVM_COMMAND_DONE) { | |
8353 | val = REG_RD(bp, MCP_REG_MCPR_NVM_READ); | |
8354 | DP(NETIF_MSG_NVM, "val 0x%08x\n", val); | |
8355 | /* we read nvram data in cpu order | |
8356 | * but ethtool sees it as an array of bytes | |
8357 | * converting to big-endian will do the work */ | |
8358 | val = cpu_to_be32(val); | |
8359 | *ret_val = val; | |
8360 | rc = 0; | |
8361 | break; | |
8362 | } | |
8363 | } | |
8364 | ||
8365 | return rc; | |
8366 | } | |
8367 | ||
8368 | static int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf, | |
8369 | int buf_size) | |
8370 | { | |
8371 | int rc; | |
8372 | u32 cmd_flags; | |
8373 | u32 val; | |
8374 | ||
8375 | if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) { | |
8376 | DP(NETIF_MSG_NVM, | |
c14423fe | 8377 | "Invalid parameter: offset 0x%x buf_size 0x%x\n", |
a2fbb9ea ET |
8378 | offset, buf_size); |
8379 | return -EINVAL; | |
8380 | } | |
8381 | ||
8382 | if (offset + buf_size > bp->flash_size) { | |
c14423fe | 8383 | DP(NETIF_MSG_NVM, "Invalid parameter: offset (0x%x) +" |
a2fbb9ea ET |
8384 | " buf_size (0x%x) > flash_size (0x%x)\n", |
8385 | offset, buf_size, bp->flash_size); | |
8386 | return -EINVAL; | |
8387 | } | |
8388 | ||
8389 | /* request access to nvram interface */ | |
8390 | rc = bnx2x_acquire_nvram_lock(bp); | |
8391 | if (rc) | |
8392 | return rc; | |
8393 | ||
8394 | /* enable access to nvram interface */ | |
8395 | bnx2x_enable_nvram_access(bp); | |
8396 | ||
8397 | /* read the first word(s) */ | |
8398 | cmd_flags = MCPR_NVM_COMMAND_FIRST; | |
8399 | while ((buf_size > sizeof(u32)) && (rc == 0)) { | |
8400 | rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags); | |
8401 | memcpy(ret_buf, &val, 4); | |
8402 | ||
8403 | /* advance to the next dword */ | |
8404 | offset += sizeof(u32); | |
8405 | ret_buf += sizeof(u32); | |
8406 | buf_size -= sizeof(u32); | |
8407 | cmd_flags = 0; | |
8408 | } | |
8409 | ||
8410 | if (rc == 0) { | |
8411 | cmd_flags |= MCPR_NVM_COMMAND_LAST; | |
8412 | rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags); | |
8413 | memcpy(ret_buf, &val, 4); | |
8414 | } | |
8415 | ||
8416 | /* disable access to nvram interface */ | |
8417 | bnx2x_disable_nvram_access(bp); | |
8418 | bnx2x_release_nvram_lock(bp); | |
8419 | ||
8420 | return rc; | |
8421 | } | |
8422 | ||
8423 | static int bnx2x_get_eeprom(struct net_device *dev, | |
8424 | struct ethtool_eeprom *eeprom, u8 *eebuf) | |
8425 | { | |
8426 | struct bnx2x *bp = netdev_priv(dev); | |
8427 | int rc; | |
8428 | ||
8429 | DP(NETIF_MSG_NVM, "ethtool_eeprom: cmd %d\n" | |
8430 | DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n", | |
8431 | eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset, | |
8432 | eeprom->len, eeprom->len); | |
8433 | ||
8434 | /* parameters already validated in ethtool_get_eeprom */ | |
8435 | ||
8436 | rc = bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len); | |
8437 | ||
8438 | return rc; | |
8439 | } | |
8440 | ||
8441 | static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val, | |
8442 | u32 cmd_flags) | |
8443 | { | |
f1410647 | 8444 | int count, i, rc; |
a2fbb9ea ET |
8445 | |
8446 | /* build the command word */ | |
8447 | cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR; | |
8448 | ||
8449 | /* need to clear DONE bit separately */ | |
8450 | REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE); | |
8451 | ||
8452 | /* write the data */ | |
8453 | REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val); | |
8454 | ||
8455 | /* address of the NVRAM to write to */ | |
8456 | REG_WR(bp, MCP_REG_MCPR_NVM_ADDR, | |
8457 | (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE)); | |
8458 | ||
8459 | /* issue the write command */ | |
8460 | REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags); | |
8461 | ||
8462 | /* adjust timeout for emulation/FPGA */ | |
8463 | count = NVRAM_TIMEOUT_COUNT; | |
8464 | if (CHIP_REV_IS_SLOW(bp)) | |
8465 | count *= 100; | |
8466 | ||
8467 | /* wait for completion */ | |
8468 | rc = -EBUSY; | |
8469 | for (i = 0; i < count; i++) { | |
8470 | udelay(5); | |
8471 | val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND); | |
8472 | if (val & MCPR_NVM_COMMAND_DONE) { | |
8473 | rc = 0; | |
8474 | break; | |
8475 | } | |
8476 | } | |
8477 | ||
8478 | return rc; | |
8479 | } | |
8480 | ||
f1410647 | 8481 | #define BYTE_OFFSET(offset) (8 * (offset & 0x03)) |
a2fbb9ea ET |
8482 | |
8483 | static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf, | |
8484 | int buf_size) | |
8485 | { | |
8486 | int rc; | |
8487 | u32 cmd_flags; | |
8488 | u32 align_offset; | |
8489 | u32 val; | |
8490 | ||
8491 | if (offset + buf_size > bp->flash_size) { | |
c14423fe | 8492 | DP(NETIF_MSG_NVM, "Invalid parameter: offset (0x%x) +" |
a2fbb9ea ET |
8493 | " buf_size (0x%x) > flash_size (0x%x)\n", |
8494 | offset, buf_size, bp->flash_size); | |
8495 | return -EINVAL; | |
8496 | } | |
8497 | ||
8498 | /* request access to nvram interface */ | |
8499 | rc = bnx2x_acquire_nvram_lock(bp); | |
8500 | if (rc) | |
8501 | return rc; | |
8502 | ||
8503 | /* enable access to nvram interface */ | |
8504 | bnx2x_enable_nvram_access(bp); | |
8505 | ||
8506 | cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST); | |
8507 | align_offset = (offset & ~0x03); | |
8508 | rc = bnx2x_nvram_read_dword(bp, align_offset, &val, cmd_flags); | |
8509 | ||
8510 | if (rc == 0) { | |
8511 | val &= ~(0xff << BYTE_OFFSET(offset)); | |
8512 | val |= (*data_buf << BYTE_OFFSET(offset)); | |
8513 | ||
8514 | /* nvram data is returned as an array of bytes | |
8515 | * convert it back to cpu order */ | |
8516 | val = be32_to_cpu(val); | |
8517 | ||
8518 | DP(NETIF_MSG_NVM, "val 0x%08x\n", val); | |
8519 | ||
8520 | rc = bnx2x_nvram_write_dword(bp, align_offset, val, | |
8521 | cmd_flags); | |
8522 | } | |
8523 | ||
8524 | /* disable access to nvram interface */ | |
8525 | bnx2x_disable_nvram_access(bp); | |
8526 | bnx2x_release_nvram_lock(bp); | |
8527 | ||
8528 | return rc; | |
8529 | } | |
8530 | ||
8531 | static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf, | |
8532 | int buf_size) | |
8533 | { | |
8534 | int rc; | |
8535 | u32 cmd_flags; | |
8536 | u32 val; | |
8537 | u32 written_so_far; | |
8538 | ||
8539 | if (buf_size == 1) { /* ethtool */ | |
8540 | return bnx2x_nvram_write1(bp, offset, data_buf, buf_size); | |
8541 | } | |
8542 | ||
8543 | if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) { | |
8544 | DP(NETIF_MSG_NVM, | |
c14423fe | 8545 | "Invalid parameter: offset 0x%x buf_size 0x%x\n", |
a2fbb9ea ET |
8546 | offset, buf_size); |
8547 | return -EINVAL; | |
8548 | } | |
8549 | ||
8550 | if (offset + buf_size > bp->flash_size) { | |
c14423fe | 8551 | DP(NETIF_MSG_NVM, "Invalid parameter: offset (0x%x) +" |
a2fbb9ea ET |
8552 | " buf_size (0x%x) > flash_size (0x%x)\n", |
8553 | offset, buf_size, bp->flash_size); | |
8554 | return -EINVAL; | |
8555 | } | |
8556 | ||
8557 | /* request access to nvram interface */ | |
8558 | rc = bnx2x_acquire_nvram_lock(bp); | |
8559 | if (rc) | |
8560 | return rc; | |
8561 | ||
8562 | /* enable access to nvram interface */ | |
8563 | bnx2x_enable_nvram_access(bp); | |
8564 | ||
8565 | written_so_far = 0; | |
8566 | cmd_flags = MCPR_NVM_COMMAND_FIRST; | |
8567 | while ((written_so_far < buf_size) && (rc == 0)) { | |
8568 | if (written_so_far == (buf_size - sizeof(u32))) | |
8569 | cmd_flags |= MCPR_NVM_COMMAND_LAST; | |
8570 | else if (((offset + 4) % NVRAM_PAGE_SIZE) == 0) | |
8571 | cmd_flags |= MCPR_NVM_COMMAND_LAST; | |
8572 | else if ((offset % NVRAM_PAGE_SIZE) == 0) | |
8573 | cmd_flags |= MCPR_NVM_COMMAND_FIRST; | |
8574 | ||
8575 | memcpy(&val, data_buf, 4); | |
8576 | DP(NETIF_MSG_NVM, "val 0x%08x\n", val); | |
8577 | ||
8578 | rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags); | |
8579 | ||
8580 | /* advance to the next dword */ | |
8581 | offset += sizeof(u32); | |
8582 | data_buf += sizeof(u32); | |
8583 | written_so_far += sizeof(u32); | |
8584 | cmd_flags = 0; | |
8585 | } | |
8586 | ||
8587 | /* disable access to nvram interface */ | |
8588 | bnx2x_disable_nvram_access(bp); | |
8589 | bnx2x_release_nvram_lock(bp); | |
8590 | ||
8591 | return rc; | |
8592 | } | |
8593 | ||
8594 | static int bnx2x_set_eeprom(struct net_device *dev, | |
8595 | struct ethtool_eeprom *eeprom, u8 *eebuf) | |
8596 | { | |
8597 | struct bnx2x *bp = netdev_priv(dev); | |
8598 | int rc; | |
8599 | ||
8600 | DP(NETIF_MSG_NVM, "ethtool_eeprom: cmd %d\n" | |
8601 | DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n", | |
8602 | eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset, | |
8603 | eeprom->len, eeprom->len); | |
8604 | ||
8605 | /* parameters already validated in ethtool_set_eeprom */ | |
8606 | ||
8607 | rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len); | |
8608 | ||
8609 | return rc; | |
8610 | } | |
8611 | ||
8612 | static int bnx2x_get_coalesce(struct net_device *dev, | |
8613 | struct ethtool_coalesce *coal) | |
8614 | { | |
8615 | struct bnx2x *bp = netdev_priv(dev); | |
8616 | ||
8617 | memset(coal, 0, sizeof(struct ethtool_coalesce)); | |
8618 | ||
8619 | coal->rx_coalesce_usecs = bp->rx_ticks; | |
8620 | coal->tx_coalesce_usecs = bp->tx_ticks; | |
8621 | coal->stats_block_coalesce_usecs = bp->stats_ticks; | |
8622 | ||
8623 | return 0; | |
8624 | } | |
8625 | ||
8626 | static int bnx2x_set_coalesce(struct net_device *dev, | |
8627 | struct ethtool_coalesce *coal) | |
8628 | { | |
8629 | struct bnx2x *bp = netdev_priv(dev); | |
8630 | ||
8631 | bp->rx_ticks = (u16) coal->rx_coalesce_usecs; | |
8632 | if (bp->rx_ticks > 3000) | |
8633 | bp->rx_ticks = 3000; | |
8634 | ||
8635 | bp->tx_ticks = (u16) coal->tx_coalesce_usecs; | |
8636 | if (bp->tx_ticks > 0x3000) | |
8637 | bp->tx_ticks = 0x3000; | |
8638 | ||
8639 | bp->stats_ticks = coal->stats_block_coalesce_usecs; | |
8640 | if (bp->stats_ticks > 0xffff00) | |
8641 | bp->stats_ticks = 0xffff00; | |
8642 | bp->stats_ticks &= 0xffff00; | |
8643 | ||
8644 | if (netif_running(bp->dev)) | |
8645 | bnx2x_update_coalesce(bp); | |
8646 | ||
8647 | return 0; | |
8648 | } | |
8649 | ||
8650 | static void bnx2x_get_ringparam(struct net_device *dev, | |
8651 | struct ethtool_ringparam *ering) | |
8652 | { | |
8653 | struct bnx2x *bp = netdev_priv(dev); | |
8654 | ||
8655 | ering->rx_max_pending = MAX_RX_AVAIL; | |
8656 | ering->rx_mini_max_pending = 0; | |
8657 | ering->rx_jumbo_max_pending = 0; | |
8658 | ||
8659 | ering->rx_pending = bp->rx_ring_size; | |
8660 | ering->rx_mini_pending = 0; | |
8661 | ering->rx_jumbo_pending = 0; | |
8662 | ||
8663 | ering->tx_max_pending = MAX_TX_AVAIL; | |
8664 | ering->tx_pending = bp->tx_ring_size; | |
8665 | } | |
8666 | ||
8667 | static int bnx2x_set_ringparam(struct net_device *dev, | |
8668 | struct ethtool_ringparam *ering) | |
8669 | { | |
8670 | struct bnx2x *bp = netdev_priv(dev); | |
8671 | ||
8672 | if ((ering->rx_pending > MAX_RX_AVAIL) || | |
8673 | (ering->tx_pending > MAX_TX_AVAIL) || | |
8674 | (ering->tx_pending <= MAX_SKB_FRAGS + 4)) | |
8675 | return -EINVAL; | |
8676 | ||
8677 | bp->rx_ring_size = ering->rx_pending; | |
8678 | bp->tx_ring_size = ering->tx_pending; | |
8679 | ||
8680 | if (netif_running(bp->dev)) { | |
8681 | bnx2x_nic_unload(bp, 0); | |
8682 | bnx2x_nic_load(bp, 0); | |
8683 | } | |
8684 | ||
8685 | return 0; | |
8686 | } | |
8687 | ||
8688 | static void bnx2x_get_pauseparam(struct net_device *dev, | |
8689 | struct ethtool_pauseparam *epause) | |
8690 | { | |
8691 | struct bnx2x *bp = netdev_priv(dev); | |
8692 | ||
8693 | epause->autoneg = | |
8694 | ((bp->req_autoneg & AUTONEG_FLOW_CTRL) == AUTONEG_FLOW_CTRL); | |
8695 | epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) == FLOW_CTRL_RX); | |
8696 | epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) == FLOW_CTRL_TX); | |
8697 | ||
8698 | DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n" | |
8699 | DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n", | |
8700 | epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause); | |
8701 | } | |
8702 | ||
8703 | static int bnx2x_set_pauseparam(struct net_device *dev, | |
8704 | struct ethtool_pauseparam *epause) | |
8705 | { | |
8706 | struct bnx2x *bp = netdev_priv(dev); | |
8707 | ||
8708 | DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n" | |
8709 | DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n", | |
8710 | epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause); | |
8711 | ||
a2fbb9ea | 8712 | if (epause->autoneg) { |
f1410647 ET |
8713 | if (!(bp->supported & SUPPORTED_Autoneg)) { |
8714 | DP(NETIF_MSG_LINK, "Aotoneg not supported\n"); | |
8715 | return -EINVAL; | |
a2fbb9ea ET |
8716 | } |
8717 | ||
f1410647 ET |
8718 | bp->req_autoneg |= AUTONEG_FLOW_CTRL; |
8719 | } else | |
a2fbb9ea ET |
8720 | bp->req_autoneg &= ~AUTONEG_FLOW_CTRL; |
8721 | ||
f1410647 | 8722 | bp->req_flow_ctrl = FLOW_CTRL_AUTO; |
a2fbb9ea | 8723 | |
f1410647 ET |
8724 | if (epause->rx_pause) |
8725 | bp->req_flow_ctrl |= FLOW_CTRL_RX; | |
8726 | if (epause->tx_pause) | |
8727 | bp->req_flow_ctrl |= FLOW_CTRL_TX; | |
a2fbb9ea | 8728 | |
f1410647 ET |
8729 | if (!(bp->req_autoneg & AUTONEG_FLOW_CTRL) && |
8730 | (bp->req_flow_ctrl == FLOW_CTRL_AUTO)) | |
8731 | bp->req_flow_ctrl = FLOW_CTRL_NONE; | |
a2fbb9ea | 8732 | |
f1410647 ET |
8733 | DP(NETIF_MSG_LINK, "req_autoneg 0x%x req_flow_ctrl 0x%x\n", |
8734 | bp->req_autoneg, bp->req_flow_ctrl); | |
a2fbb9ea ET |
8735 | |
8736 | bnx2x_stop_stats(bp); | |
8737 | bnx2x_link_initialize(bp); | |
8738 | ||
8739 | return 0; | |
8740 | } | |
8741 | ||
8742 | static u32 bnx2x_get_rx_csum(struct net_device *dev) | |
8743 | { | |
8744 | struct bnx2x *bp = netdev_priv(dev); | |
8745 | ||
8746 | return bp->rx_csum; | |
8747 | } | |
8748 | ||
8749 | static int bnx2x_set_rx_csum(struct net_device *dev, u32 data) | |
8750 | { | |
8751 | struct bnx2x *bp = netdev_priv(dev); | |
8752 | ||
8753 | bp->rx_csum = data; | |
8754 | return 0; | |
8755 | } | |
8756 | ||
8757 | static int bnx2x_set_tso(struct net_device *dev, u32 data) | |
8758 | { | |
8759 | if (data) | |
8760 | dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN); | |
8761 | else | |
8762 | dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO_ECN); | |
8763 | return 0; | |
8764 | } | |
8765 | ||
8766 | static struct { | |
8767 | char string[ETH_GSTRING_LEN]; | |
8768 | } bnx2x_tests_str_arr[BNX2X_NUM_TESTS] = { | |
8769 | { "MC Errors (online)" } | |
8770 | }; | |
8771 | ||
8772 | static int bnx2x_self_test_count(struct net_device *dev) | |
8773 | { | |
8774 | return BNX2X_NUM_TESTS; | |
8775 | } | |
8776 | ||
8777 | static void bnx2x_self_test(struct net_device *dev, | |
8778 | struct ethtool_test *etest, u64 *buf) | |
8779 | { | |
8780 | struct bnx2x *bp = netdev_priv(dev); | |
8781 | int stats_state; | |
8782 | ||
8783 | memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS); | |
8784 | ||
8785 | if (bp->state != BNX2X_STATE_OPEN) { | |
8786 | DP(NETIF_MSG_PROBE, "state is %x, returning\n", bp->state); | |
8787 | return; | |
8788 | } | |
8789 | ||
8790 | stats_state = bp->stats_state; | |
8791 | bnx2x_stop_stats(bp); | |
8792 | ||
8793 | if (bnx2x_mc_assert(bp) != 0) { | |
8794 | buf[0] = 1; | |
8795 | etest->flags |= ETH_TEST_FL_FAILED; | |
8796 | } | |
8797 | ||
8798 | #ifdef BNX2X_EXTRA_DEBUG | |
8799 | bnx2x_panic_dump(bp); | |
8800 | #endif | |
8801 | bp->stats_state = stats_state; | |
8802 | } | |
8803 | ||
8804 | static struct { | |
8805 | char string[ETH_GSTRING_LEN]; | |
8806 | } bnx2x_stats_str_arr[BNX2X_NUM_STATS] = { | |
0e39e645 ET |
8807 | { "rx_bytes"}, |
8808 | { "rx_error_bytes"}, | |
8809 | { "tx_bytes"}, | |
8810 | { "tx_error_bytes"}, | |
8811 | { "rx_ucast_packets"}, | |
8812 | { "rx_mcast_packets"}, | |
8813 | { "rx_bcast_packets"}, | |
8814 | { "tx_ucast_packets"}, | |
8815 | { "tx_mcast_packets"}, | |
8816 | { "tx_bcast_packets"}, | |
8817 | { "tx_mac_errors"}, /* 10 */ | |
8818 | { "tx_carrier_errors"}, | |
8819 | { "rx_crc_errors"}, | |
8820 | { "rx_align_errors"}, | |
8821 | { "tx_single_collisions"}, | |
8822 | { "tx_multi_collisions"}, | |
8823 | { "tx_deferred"}, | |
8824 | { "tx_excess_collisions"}, | |
8825 | { "tx_late_collisions"}, | |
8826 | { "tx_total_collisions"}, | |
8827 | { "rx_fragments"}, /* 20 */ | |
8828 | { "rx_jabbers"}, | |
8829 | { "rx_undersize_packets"}, | |
8830 | { "rx_oversize_packets"}, | |
8831 | { "rx_xon_frames"}, | |
8832 | { "rx_xoff_frames"}, | |
8833 | { "tx_xon_frames"}, | |
8834 | { "tx_xoff_frames"}, | |
8835 | { "rx_mac_ctrl_frames"}, | |
8836 | { "rx_filtered_packets"}, | |
8837 | { "rx_discards"}, /* 30 */ | |
8838 | { "brb_discard"}, | |
8839 | { "brb_truncate"}, | |
8840 | { "xxoverflow"} | |
a2fbb9ea ET |
8841 | }; |
8842 | ||
8843 | #define STATS_OFFSET32(offset_name) \ | |
8844 | (offsetof(struct bnx2x_eth_stats, offset_name) / 4) | |
8845 | ||
8846 | static unsigned long bnx2x_stats_offset_arr[BNX2X_NUM_STATS] = { | |
0e39e645 ET |
8847 | STATS_OFFSET32(total_bytes_received_hi), |
8848 | STATS_OFFSET32(stat_IfHCInBadOctets_hi), | |
8849 | STATS_OFFSET32(total_bytes_transmitted_hi), | |
8850 | STATS_OFFSET32(stat_IfHCOutBadOctets_hi), | |
8851 | STATS_OFFSET32(total_unicast_packets_received_hi), | |
8852 | STATS_OFFSET32(total_multicast_packets_received_hi), | |
8853 | STATS_OFFSET32(total_broadcast_packets_received_hi), | |
8854 | STATS_OFFSET32(total_unicast_packets_transmitted_hi), | |
8855 | STATS_OFFSET32(total_multicast_packets_transmitted_hi), | |
8856 | STATS_OFFSET32(total_broadcast_packets_transmitted_hi), | |
8857 | STATS_OFFSET32(stat_Dot3statsInternalMacTransmitErrors), /* 10 */ | |
8858 | STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors), | |
8859 | STATS_OFFSET32(crc_receive_errors), | |
8860 | STATS_OFFSET32(alignment_errors), | |
8861 | STATS_OFFSET32(single_collision_transmit_frames), | |
8862 | STATS_OFFSET32(multiple_collision_transmit_frames), | |
8863 | STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions), | |
8864 | STATS_OFFSET32(excessive_collision_frames), | |
8865 | STATS_OFFSET32(late_collision_frames), | |
8866 | STATS_OFFSET32(number_of_bugs_found_in_stats_spec), | |
8867 | STATS_OFFSET32(runt_packets_received), /* 20 */ | |
8868 | STATS_OFFSET32(jabber_packets_received), | |
8869 | STATS_OFFSET32(error_runt_packets_received), | |
8870 | STATS_OFFSET32(error_jabber_packets_received), | |
8871 | STATS_OFFSET32(pause_xon_frames_received), | |
8872 | STATS_OFFSET32(pause_xoff_frames_received), | |
8873 | STATS_OFFSET32(pause_xon_frames_transmitted), | |
8874 | STATS_OFFSET32(pause_xoff_frames_transmitted), | |
8875 | STATS_OFFSET32(control_frames_received), | |
8876 | STATS_OFFSET32(mac_filter_discard), | |
8877 | STATS_OFFSET32(no_buff_discard), /* 30 */ | |
8878 | STATS_OFFSET32(brb_discard), | |
8879 | STATS_OFFSET32(brb_truncate_discard), | |
8880 | STATS_OFFSET32(xxoverflow_discard) | |
a2fbb9ea ET |
8881 | }; |
8882 | ||
8883 | static u8 bnx2x_stats_len_arr[BNX2X_NUM_STATS] = { | |
8884 | 8, 0, 8, 0, 8, 8, 8, 8, 8, 8, | |
8885 | 4, 0, 4, 4, 4, 4, 4, 4, 4, 4, | |
8886 | 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, | |
0e39e645 | 8887 | 4, 4, 4, 4 |
a2fbb9ea ET |
8888 | }; |
8889 | ||
8890 | static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf) | |
8891 | { | |
8892 | switch (stringset) { | |
8893 | case ETH_SS_STATS: | |
8894 | memcpy(buf, bnx2x_stats_str_arr, sizeof(bnx2x_stats_str_arr)); | |
8895 | break; | |
8896 | ||
8897 | case ETH_SS_TEST: | |
8898 | memcpy(buf, bnx2x_tests_str_arr, sizeof(bnx2x_tests_str_arr)); | |
8899 | break; | |
8900 | } | |
8901 | } | |
8902 | ||
8903 | static int bnx2x_get_stats_count(struct net_device *dev) | |
8904 | { | |
8905 | return BNX2X_NUM_STATS; | |
8906 | } | |
8907 | ||
8908 | static void bnx2x_get_ethtool_stats(struct net_device *dev, | |
8909 | struct ethtool_stats *stats, u64 *buf) | |
8910 | { | |
8911 | struct bnx2x *bp = netdev_priv(dev); | |
8912 | u32 *hw_stats = (u32 *)bnx2x_sp_check(bp, eth_stats); | |
8913 | int i; | |
8914 | ||
8915 | for (i = 0; i < BNX2X_NUM_STATS; i++) { | |
8916 | if (bnx2x_stats_len_arr[i] == 0) { | |
8917 | /* skip this counter */ | |
8918 | buf[i] = 0; | |
8919 | continue; | |
8920 | } | |
8921 | if (!hw_stats) { | |
8922 | buf[i] = 0; | |
8923 | continue; | |
8924 | } | |
8925 | if (bnx2x_stats_len_arr[i] == 4) { | |
8926 | /* 4-byte counter */ | |
8927 | buf[i] = (u64) *(hw_stats + bnx2x_stats_offset_arr[i]); | |
8928 | continue; | |
8929 | } | |
8930 | /* 8-byte counter */ | |
8931 | buf[i] = HILO_U64(*(hw_stats + bnx2x_stats_offset_arr[i]), | |
8932 | *(hw_stats + bnx2x_stats_offset_arr[i] + 1)); | |
8933 | } | |
8934 | } | |
8935 | ||
8936 | static int bnx2x_phys_id(struct net_device *dev, u32 data) | |
8937 | { | |
8938 | struct bnx2x *bp = netdev_priv(dev); | |
8939 | int i; | |
8940 | ||
8941 | if (data == 0) | |
8942 | data = 2; | |
8943 | ||
8944 | for (i = 0; i < (data * 2); i++) { | |
8945 | if ((i % 2) == 0) { | |
8946 | bnx2x_leds_set(bp, SPEED_1000); | |
8947 | } else { | |
8948 | bnx2x_leds_unset(bp); | |
8949 | } | |
8950 | msleep_interruptible(500); | |
8951 | if (signal_pending(current)) | |
8952 | break; | |
8953 | } | |
8954 | ||
8955 | if (bp->link_up) | |
8956 | bnx2x_leds_set(bp, bp->line_speed); | |
8957 | ||
8958 | return 0; | |
8959 | } | |
8960 | ||
8961 | static struct ethtool_ops bnx2x_ethtool_ops = { | |
8962 | .get_settings = bnx2x_get_settings, | |
8963 | .set_settings = bnx2x_set_settings, | |
8964 | .get_drvinfo = bnx2x_get_drvinfo, | |
8965 | .get_wol = bnx2x_get_wol, | |
8966 | .set_wol = bnx2x_set_wol, | |
8967 | .get_msglevel = bnx2x_get_msglevel, | |
8968 | .set_msglevel = bnx2x_set_msglevel, | |
8969 | .nway_reset = bnx2x_nway_reset, | |
8970 | .get_link = ethtool_op_get_link, | |
8971 | .get_eeprom_len = bnx2x_get_eeprom_len, | |
8972 | .get_eeprom = bnx2x_get_eeprom, | |
8973 | .set_eeprom = bnx2x_set_eeprom, | |
8974 | .get_coalesce = bnx2x_get_coalesce, | |
8975 | .set_coalesce = bnx2x_set_coalesce, | |
8976 | .get_ringparam = bnx2x_get_ringparam, | |
8977 | .set_ringparam = bnx2x_set_ringparam, | |
8978 | .get_pauseparam = bnx2x_get_pauseparam, | |
8979 | .set_pauseparam = bnx2x_set_pauseparam, | |
8980 | .get_rx_csum = bnx2x_get_rx_csum, | |
8981 | .set_rx_csum = bnx2x_set_rx_csum, | |
8982 | .get_tx_csum = ethtool_op_get_tx_csum, | |
8983 | .set_tx_csum = ethtool_op_set_tx_csum, | |
8984 | .get_sg = ethtool_op_get_sg, | |
8985 | .set_sg = ethtool_op_set_sg, | |
8986 | .get_tso = ethtool_op_get_tso, | |
8987 | .set_tso = bnx2x_set_tso, | |
8988 | .self_test_count = bnx2x_self_test_count, | |
8989 | .self_test = bnx2x_self_test, | |
8990 | .get_strings = bnx2x_get_strings, | |
8991 | .phys_id = bnx2x_phys_id, | |
8992 | .get_stats_count = bnx2x_get_stats_count, | |
8993 | .get_ethtool_stats = bnx2x_get_ethtool_stats | |
8994 | }; | |
8995 | ||
8996 | /* end of ethtool_ops */ | |
8997 | ||
8998 | /**************************************************************************** | |
8999 | * General service functions | |
9000 | ****************************************************************************/ | |
9001 | ||
9002 | static int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state) | |
9003 | { | |
9004 | u16 pmcsr; | |
9005 | ||
9006 | pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr); | |
9007 | ||
9008 | switch (state) { | |
9009 | case PCI_D0: | |
9010 | pci_write_config_word(bp->pdev, | |
9011 | bp->pm_cap + PCI_PM_CTRL, | |
9012 | ((pmcsr & ~PCI_PM_CTRL_STATE_MASK) | | |
9013 | PCI_PM_CTRL_PME_STATUS)); | |
9014 | ||
9015 | if (pmcsr & PCI_PM_CTRL_STATE_MASK) | |
9016 | /* delay required during transition out of D3hot */ | |
9017 | msleep(20); | |
9018 | break; | |
9019 | ||
9020 | case PCI_D3hot: | |
9021 | pmcsr &= ~PCI_PM_CTRL_STATE_MASK; | |
9022 | pmcsr |= 3; | |
9023 | ||
9024 | if (bp->wol) | |
9025 | pmcsr |= PCI_PM_CTRL_PME_ENABLE; | |
9026 | ||
9027 | pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, | |
9028 | pmcsr); | |
9029 | ||
9030 | /* No more memory access after this point until | |
9031 | * device is brought back to D0. | |
9032 | */ | |
9033 | break; | |
9034 | ||
9035 | default: | |
9036 | return -EINVAL; | |
9037 | } | |
9038 | return 0; | |
9039 | } | |
9040 | ||
9041 | /* | |
9042 | * net_device service functions | |
9043 | */ | |
9044 | ||
49d66772 | 9045 | /* called with netif_tx_lock from set_multicast */ |
a2fbb9ea ET |
9046 | static void bnx2x_set_rx_mode(struct net_device *dev) |
9047 | { | |
9048 | struct bnx2x *bp = netdev_priv(dev); | |
9049 | u32 rx_mode = BNX2X_RX_MODE_NORMAL; | |
9050 | ||
9051 | DP(NETIF_MSG_IFUP, "called dev->flags = %x\n", dev->flags); | |
9052 | ||
9053 | if (dev->flags & IFF_PROMISC) | |
9054 | rx_mode = BNX2X_RX_MODE_PROMISC; | |
9055 | ||
9056 | else if ((dev->flags & IFF_ALLMULTI) || | |
9057 | (dev->mc_count > BNX2X_MAX_MULTICAST)) | |
9058 | rx_mode = BNX2X_RX_MODE_ALLMULTI; | |
9059 | ||
9060 | else { /* some multicasts */ | |
9061 | int i, old, offset; | |
9062 | struct dev_mc_list *mclist; | |
9063 | struct mac_configuration_cmd *config = | |
9064 | bnx2x_sp(bp, mcast_config); | |
9065 | ||
9066 | for (i = 0, mclist = dev->mc_list; | |
9067 | mclist && (i < dev->mc_count); | |
9068 | i++, mclist = mclist->next) { | |
9069 | ||
9070 | config->config_table[i].cam_entry.msb_mac_addr = | |
9071 | swab16(*(u16 *)&mclist->dmi_addr[0]); | |
9072 | config->config_table[i].cam_entry.middle_mac_addr = | |
9073 | swab16(*(u16 *)&mclist->dmi_addr[2]); | |
9074 | config->config_table[i].cam_entry.lsb_mac_addr = | |
9075 | swab16(*(u16 *)&mclist->dmi_addr[4]); | |
9076 | config->config_table[i].cam_entry.flags = | |
9077 | cpu_to_le16(bp->port); | |
9078 | config->config_table[i].target_table_entry.flags = 0; | |
9079 | config->config_table[i].target_table_entry. | |
9080 | client_id = 0; | |
9081 | config->config_table[i].target_table_entry. | |
9082 | vlan_id = 0; | |
9083 | ||
9084 | DP(NETIF_MSG_IFUP, | |
9085 | "setting MCAST[%d] (%04x:%04x:%04x)\n", | |
9086 | i, config->config_table[i].cam_entry.msb_mac_addr, | |
9087 | config->config_table[i].cam_entry.middle_mac_addr, | |
9088 | config->config_table[i].cam_entry.lsb_mac_addr); | |
9089 | } | |
9090 | old = config->hdr.length_6b; | |
9091 | if (old > i) { | |
9092 | for (; i < old; i++) { | |
9093 | if (CAM_IS_INVALID(config->config_table[i])) { | |
9094 | i--; /* already invalidated */ | |
9095 | break; | |
9096 | } | |
9097 | /* invalidate */ | |
9098 | CAM_INVALIDATE(config->config_table[i]); | |
9099 | } | |
9100 | } | |
9101 | ||
9102 | if (CHIP_REV_IS_SLOW(bp)) | |
9103 | offset = BNX2X_MAX_EMUL_MULTI*(1 + bp->port); | |
9104 | else | |
9105 | offset = BNX2X_MAX_MULTICAST*(1 + bp->port); | |
9106 | ||
9107 | config->hdr.length_6b = i; | |
9108 | config->hdr.offset = offset; | |
9109 | config->hdr.reserved0 = 0; | |
9110 | config->hdr.reserved1 = 0; | |
9111 | ||
9112 | bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0, | |
9113 | U64_HI(bnx2x_sp_mapping(bp, mcast_config)), | |
9114 | U64_LO(bnx2x_sp_mapping(bp, mcast_config)), 0); | |
9115 | } | |
9116 | ||
9117 | bp->rx_mode = rx_mode; | |
9118 | bnx2x_set_storm_rx_mode(bp); | |
9119 | } | |
9120 | ||
9121 | static int bnx2x_poll(struct napi_struct *napi, int budget) | |
9122 | { | |
9123 | struct bnx2x_fastpath *fp = container_of(napi, struct bnx2x_fastpath, | |
9124 | napi); | |
9125 | struct bnx2x *bp = fp->bp; | |
9126 | int work_done = 0; | |
9127 | ||
9128 | #ifdef BNX2X_STOP_ON_ERROR | |
9129 | if (unlikely(bp->panic)) | |
9130 | goto out_panic; | |
9131 | #endif | |
9132 | ||
9133 | prefetch(fp->tx_buf_ring[TX_BD(fp->tx_pkt_cons)].skb); | |
9134 | prefetch(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb); | |
9135 | prefetch((char *)(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb) + 256); | |
9136 | ||
9137 | bnx2x_update_fpsb_idx(fp); | |
9138 | ||
9139 | if (le16_to_cpu(*fp->tx_cons_sb) != fp->tx_pkt_cons) | |
9140 | bnx2x_tx_int(fp, budget); | |
9141 | ||
9142 | ||
9143 | if (le16_to_cpu(*fp->rx_cons_sb) != fp->rx_comp_cons) | |
9144 | work_done = bnx2x_rx_int(fp, budget); | |
9145 | ||
9146 | ||
9147 | rmb(); /* bnx2x_has_work() reads the status block */ | |
9148 | ||
9149 | /* must not complete if we consumed full budget */ | |
9150 | if ((work_done < budget) && !bnx2x_has_work(fp)) { | |
9151 | ||
9152 | #ifdef BNX2X_STOP_ON_ERROR | |
9153 | out_panic: | |
9154 | #endif | |
9155 | netif_rx_complete(bp->dev, napi); | |
9156 | ||
9157 | bnx2x_ack_sb(bp, fp->index, USTORM_ID, | |
9158 | le16_to_cpu(fp->fp_u_idx), IGU_INT_NOP, 1); | |
9159 | bnx2x_ack_sb(bp, fp->index, CSTORM_ID, | |
9160 | le16_to_cpu(fp->fp_c_idx), IGU_INT_ENABLE, 1); | |
9161 | } | |
9162 | ||
9163 | return work_done; | |
9164 | } | |
9165 | ||
9166 | /* Called with netif_tx_lock. | |
9167 | * bnx2x_tx_int() runs without netif_tx_lock unless it needs to call | |
9168 | * netif_wake_queue(). | |
9169 | */ | |
9170 | static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev) | |
9171 | { | |
9172 | struct bnx2x *bp = netdev_priv(dev); | |
9173 | struct bnx2x_fastpath *fp; | |
9174 | struct sw_tx_bd *tx_buf; | |
9175 | struct eth_tx_bd *tx_bd; | |
9176 | struct eth_tx_parse_bd *pbd = NULL; | |
9177 | u16 pkt_prod, bd_prod; | |
9178 | int nbd, fp_index = 0; | |
9179 | dma_addr_t mapping; | |
9180 | ||
9181 | #ifdef BNX2X_STOP_ON_ERROR | |
9182 | if (unlikely(bp->panic)) | |
9183 | return NETDEV_TX_BUSY; | |
9184 | #endif | |
9185 | ||
9186 | fp_index = smp_processor_id() % (bp->num_queues); | |
9187 | ||
9188 | fp = &bp->fp[fp_index]; | |
9189 | if (unlikely(bnx2x_tx_avail(bp->fp) < | |
9190 | (skb_shinfo(skb)->nr_frags + 3))) { | |
9191 | bp->slowpath->eth_stats.driver_xoff++, | |
9192 | netif_stop_queue(dev); | |
9193 | BNX2X_ERR("BUG! Tx ring full when queue awake!\n"); | |
9194 | return NETDEV_TX_BUSY; | |
9195 | } | |
9196 | ||
9197 | /* | |
9198 | This is a bit ugly. First we use one BD which we mark as start, | |
9199 | then for TSO or xsum we have a parsing info BD, | |
9200 | and only then we have the rest of the TSO bds. | |
9201 | (don't forget to mark the last one as last, | |
9202 | and to unmap only AFTER you write to the BD ...) | |
9203 | I would like to thank DovH for this mess. | |
9204 | */ | |
9205 | ||
9206 | pkt_prod = fp->tx_pkt_prod++; | |
9207 | bd_prod = fp->tx_bd_prod; | |
9208 | bd_prod = TX_BD(bd_prod); | |
9209 | ||
9210 | /* get a tx_buff and first bd */ | |
9211 | tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)]; | |
9212 | tx_bd = &fp->tx_desc_ring[bd_prod]; | |
9213 | ||
9214 | tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD; | |
9215 | tx_bd->general_data = (UNICAST_ADDRESS << | |
9216 | ETH_TX_BD_ETH_ADDR_TYPE_SHIFT); | |
9217 | tx_bd->general_data |= 1; /* header nbd */ | |
9218 | ||
c14423fe | 9219 | /* remember the first bd of the packet */ |
a2fbb9ea ET |
9220 | tx_buf->first_bd = bd_prod; |
9221 | ||
9222 | DP(NETIF_MSG_TX_QUEUED, | |
9223 | "sending pkt %u @%p next_idx %u bd %u @%p\n", | |
9224 | pkt_prod, tx_buf, fp->tx_pkt_prod, bd_prod, tx_bd); | |
9225 | ||
9226 | if (skb->ip_summed == CHECKSUM_PARTIAL) { | |
9227 | struct iphdr *iph = ip_hdr(skb); | |
9228 | u8 len; | |
9229 | ||
9230 | tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_IP_CSUM; | |
9231 | ||
9232 | /* turn on parsing and get a bd */ | |
9233 | bd_prod = TX_BD(NEXT_TX_IDX(bd_prod)); | |
9234 | pbd = (void *)&fp->tx_desc_ring[bd_prod]; | |
9235 | len = ((u8 *)iph - (u8 *)skb->data) / 2; | |
9236 | ||
9237 | /* for now NS flag is not used in Linux */ | |
9238 | pbd->global_data = (len | | |
96fc1784 | 9239 | ((skb->protocol == ntohs(ETH_P_8021Q)) << |
a2fbb9ea ET |
9240 | ETH_TX_PARSE_BD_LLC_SNAP_EN_SHIFT)); |
9241 | pbd->ip_hlen = ip_hdrlen(skb) / 2; | |
9242 | pbd->total_hlen = cpu_to_le16(len + pbd->ip_hlen); | |
9243 | if (iph->protocol == IPPROTO_TCP) { | |
9244 | struct tcphdr *th = tcp_hdr(skb); | |
9245 | ||
9246 | tx_bd->bd_flags.as_bitfield |= | |
9247 | ETH_TX_BD_FLAGS_TCP_CSUM; | |
96fc1784 | 9248 | pbd->tcp_flags = pbd_tcp_flags(skb); |
a2fbb9ea ET |
9249 | pbd->total_hlen += cpu_to_le16(tcp_hdrlen(skb) / 2); |
9250 | pbd->tcp_pseudo_csum = swab16(th->check); | |
9251 | ||
9252 | } else if (iph->protocol == IPPROTO_UDP) { | |
9253 | struct udphdr *uh = udp_hdr(skb); | |
9254 | ||
9255 | tx_bd->bd_flags.as_bitfield |= | |
9256 | ETH_TX_BD_FLAGS_TCP_CSUM; | |
9257 | pbd->total_hlen += cpu_to_le16(4); | |
9258 | pbd->global_data |= ETH_TX_PARSE_BD_CS_ANY_FLG; | |
9259 | pbd->cs_offset = 5; /* 10 >> 1 */ | |
9260 | pbd->tcp_pseudo_csum = 0; | |
9261 | /* HW bug: we need to subtract 10 bytes before the | |
9262 | * UDP header from the csum | |
9263 | */ | |
9264 | uh->check = (u16) ~csum_fold(csum_sub(uh->check, | |
9265 | csum_partial(((u8 *)(uh)-10), 10, 0))); | |
9266 | } | |
9267 | } | |
9268 | ||
9269 | if ((bp->vlgrp != NULL) && vlan_tx_tag_present(skb)) { | |
9270 | tx_bd->vlan = cpu_to_le16(vlan_tx_tag_get(skb)); | |
9271 | tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_VLAN_TAG; | |
9272 | } else { | |
9273 | tx_bd->vlan = cpu_to_le16(pkt_prod); | |
9274 | } | |
9275 | ||
9276 | mapping = pci_map_single(bp->pdev, skb->data, | |
9277 | skb->len, PCI_DMA_TODEVICE); | |
9278 | ||
9279 | tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping)); | |
9280 | tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping)); | |
9281 | nbd = skb_shinfo(skb)->nr_frags + ((pbd == NULL)? 1 : 2); | |
9282 | tx_bd->nbd = cpu_to_le16(nbd); | |
9283 | tx_bd->nbytes = cpu_to_le16(skb_headlen(skb)); | |
9284 | ||
9285 | DP(NETIF_MSG_TX_QUEUED, "first bd @%p addr (%x:%x) nbd %d" | |
9286 | " nbytes %d flags %x vlan %u\n", | |
9287 | tx_bd, tx_bd->addr_hi, tx_bd->addr_lo, tx_bd->nbd, | |
9288 | tx_bd->nbytes, tx_bd->bd_flags.as_bitfield, tx_bd->vlan); | |
9289 | ||
9290 | if (skb_shinfo(skb)->gso_size && | |
9291 | (skb->len > (bp->dev->mtu + ETH_HLEN))) { | |
96fc1784 | 9292 | int hlen = 2 * le16_to_cpu(pbd->total_hlen); |
a2fbb9ea ET |
9293 | |
9294 | DP(NETIF_MSG_TX_QUEUED, | |
9295 | "TSO packet len %d hlen %d total len %d tso size %d\n", | |
9296 | skb->len, hlen, skb_headlen(skb), | |
9297 | skb_shinfo(skb)->gso_size); | |
9298 | ||
9299 | tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_SW_LSO; | |
9300 | ||
9301 | if (tx_bd->nbytes > cpu_to_le16(hlen)) { | |
9302 | /* we split the first bd into headers and data bds | |
9303 | * to ease the pain of our fellow micocode engineers | |
9304 | * we use one mapping for both bds | |
9305 | * So far this has only been observed to happen | |
9306 | * in Other Operating Systems(TM) | |
9307 | */ | |
9308 | ||
9309 | /* first fix first bd */ | |
9310 | nbd++; | |
9311 | tx_bd->nbd = cpu_to_le16(nbd); | |
9312 | tx_bd->nbytes = cpu_to_le16(hlen); | |
9313 | ||
9314 | /* we only print this as an error | |
9315 | * because we don't think this will ever happen. | |
9316 | */ | |
9317 | BNX2X_ERR("TSO split header size is %d (%x:%x)" | |
9318 | " nbd %d\n", tx_bd->nbytes, tx_bd->addr_hi, | |
9319 | tx_bd->addr_lo, tx_bd->nbd); | |
9320 | ||
9321 | /* now get a new data bd | |
9322 | * (after the pbd) and fill it */ | |
9323 | bd_prod = TX_BD(NEXT_TX_IDX(bd_prod)); | |
9324 | tx_bd = &fp->tx_desc_ring[bd_prod]; | |
9325 | ||
9326 | tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping)); | |
9327 | tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping) + hlen); | |
9328 | tx_bd->nbytes = cpu_to_le16(skb_headlen(skb) - hlen); | |
9329 | tx_bd->vlan = cpu_to_le16(pkt_prod); | |
9330 | /* this marks the bd | |
9331 | * as one that has no individual mapping | |
c14423fe | 9332 | * the FW ignores this flag in a bd not marked start |
a2fbb9ea ET |
9333 | */ |
9334 | tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_SW_LSO; | |
9335 | DP(NETIF_MSG_TX_QUEUED, | |
9336 | "TSO split data size is %d (%x:%x)\n", | |
9337 | tx_bd->nbytes, tx_bd->addr_hi, tx_bd->addr_lo); | |
9338 | } | |
9339 | ||
9340 | if (!pbd) { | |
9341 | /* supposed to be unreached | |
9342 | * (and therefore not handled properly...) | |
9343 | */ | |
9344 | BNX2X_ERR("LSO with no PBD\n"); | |
9345 | BUG(); | |
9346 | } | |
9347 | ||
9348 | pbd->lso_mss = cpu_to_le16(skb_shinfo(skb)->gso_size); | |
9349 | pbd->tcp_send_seq = swab32(tcp_hdr(skb)->seq); | |
9350 | pbd->ip_id = swab16(ip_hdr(skb)->id); | |
9351 | pbd->tcp_pseudo_csum = | |
9352 | swab16(~csum_tcpudp_magic(ip_hdr(skb)->saddr, | |
9353 | ip_hdr(skb)->daddr, | |
9354 | 0, IPPROTO_TCP, 0)); | |
9355 | pbd->global_data |= ETH_TX_PARSE_BD_PSEUDO_CS_WITHOUT_LEN; | |
9356 | } | |
9357 | ||
9358 | { | |
9359 | int i; | |
9360 | ||
9361 | for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { | |
9362 | skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; | |
9363 | ||
9364 | bd_prod = TX_BD(NEXT_TX_IDX(bd_prod)); | |
9365 | tx_bd = &fp->tx_desc_ring[bd_prod]; | |
9366 | ||
9367 | mapping = pci_map_page(bp->pdev, frag->page, | |
9368 | frag->page_offset, | |
9369 | frag->size, PCI_DMA_TODEVICE); | |
9370 | ||
9371 | tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping)); | |
9372 | tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping)); | |
9373 | tx_bd->nbytes = cpu_to_le16(frag->size); | |
9374 | tx_bd->vlan = cpu_to_le16(pkt_prod); | |
9375 | tx_bd->bd_flags.as_bitfield = 0; | |
9376 | DP(NETIF_MSG_TX_QUEUED, "frag %d bd @%p" | |
9377 | " addr (%x:%x) nbytes %d flags %x\n", | |
9378 | i, tx_bd, tx_bd->addr_hi, tx_bd->addr_lo, | |
9379 | tx_bd->nbytes, tx_bd->bd_flags.as_bitfield); | |
9380 | } /* for */ | |
9381 | } | |
9382 | ||
9383 | /* now at last mark the bd as the last bd */ | |
9384 | tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_END_BD; | |
9385 | ||
9386 | DP(NETIF_MSG_TX_QUEUED, "last bd @%p flags %x\n", | |
9387 | tx_bd, tx_bd->bd_flags.as_bitfield); | |
9388 | ||
9389 | tx_buf->skb = skb; | |
9390 | ||
9391 | bd_prod = TX_BD(NEXT_TX_IDX(bd_prod)); | |
9392 | ||
9393 | /* now send a tx doorbell, counting the next bd | |
9394 | * if the packet contains or ends with it | |
9395 | */ | |
9396 | if (TX_BD_POFF(bd_prod) < nbd) | |
9397 | nbd++; | |
9398 | ||
9399 | if (pbd) | |
9400 | DP(NETIF_MSG_TX_QUEUED, | |
9401 | "PBD @%p ip_data %x ip_hlen %u ip_id %u lso_mss %u" | |
9402 | " tcp_flags %x xsum %x seq %u hlen %u\n", | |
9403 | pbd, pbd->global_data, pbd->ip_hlen, pbd->ip_id, | |
9404 | pbd->lso_mss, pbd->tcp_flags, pbd->tcp_pseudo_csum, | |
9405 | pbd->tcp_send_seq, pbd->total_hlen); | |
9406 | ||
9407 | DP(NETIF_MSG_TX_QUEUED, "doorbell: nbd %u bd %d\n", nbd, bd_prod); | |
9408 | ||
96fc1784 ET |
9409 | fp->hw_tx_prods->bds_prod = |
9410 | cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + nbd); | |
a2fbb9ea | 9411 | mb(); /* FW restriction: must not reorder writing nbd and packets */ |
96fc1784 ET |
9412 | fp->hw_tx_prods->packets_prod = |
9413 | cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1); | |
a2fbb9ea ET |
9414 | DOORBELL(bp, fp_index, 0); |
9415 | ||
9416 | mmiowb(); | |
9417 | ||
9418 | fp->tx_bd_prod = bd_prod; | |
9419 | dev->trans_start = jiffies; | |
9420 | ||
9421 | if (unlikely(bnx2x_tx_avail(fp) < MAX_SKB_FRAGS + 3)) { | |
9422 | netif_stop_queue(dev); | |
9423 | bp->slowpath->eth_stats.driver_xoff++; | |
9424 | if (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3) | |
9425 | netif_wake_queue(dev); | |
9426 | } | |
9427 | fp->tx_pkt++; | |
9428 | ||
9429 | return NETDEV_TX_OK; | |
9430 | } | |
9431 | ||
a2fbb9ea ET |
9432 | /* Called with rtnl_lock */ |
9433 | static int bnx2x_open(struct net_device *dev) | |
9434 | { | |
9435 | struct bnx2x *bp = netdev_priv(dev); | |
9436 | ||
9437 | bnx2x_set_power_state(bp, PCI_D0); | |
9438 | ||
9439 | return bnx2x_nic_load(bp, 1); | |
9440 | } | |
9441 | ||
9442 | /* Called with rtnl_lock */ | |
9443 | static int bnx2x_close(struct net_device *dev) | |
9444 | { | |
a2fbb9ea ET |
9445 | struct bnx2x *bp = netdev_priv(dev); |
9446 | ||
9447 | /* Unload the driver, release IRQs */ | |
228241eb ET |
9448 | bnx2x_nic_unload(bp, 1); |
9449 | ||
9450 | if (!CHIP_REV_IS_SLOW(bp)) | |
9451 | bnx2x_set_power_state(bp, PCI_D3hot); | |
a2fbb9ea ET |
9452 | |
9453 | return 0; | |
9454 | } | |
9455 | ||
9456 | /* Called with rtnl_lock */ | |
9457 | static int bnx2x_change_mac_addr(struct net_device *dev, void *p) | |
9458 | { | |
9459 | struct sockaddr *addr = p; | |
9460 | struct bnx2x *bp = netdev_priv(dev); | |
9461 | ||
9462 | if (!is_valid_ether_addr(addr->sa_data)) | |
9463 | return -EINVAL; | |
9464 | ||
9465 | memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); | |
9466 | if (netif_running(dev)) | |
9467 | bnx2x_set_mac_addr(bp); | |
9468 | ||
9469 | return 0; | |
9470 | } | |
9471 | ||
9472 | /* Called with rtnl_lock */ | |
9473 | static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) | |
9474 | { | |
9475 | struct mii_ioctl_data *data = if_mii(ifr); | |
9476 | struct bnx2x *bp = netdev_priv(dev); | |
9477 | int err; | |
9478 | ||
9479 | switch (cmd) { | |
9480 | case SIOCGMIIPHY: | |
9481 | data->phy_id = bp->phy_addr; | |
9482 | ||
c14423fe | 9483 | /* fallthrough */ |
a2fbb9ea ET |
9484 | case SIOCGMIIREG: { |
9485 | u32 mii_regval; | |
9486 | ||
9487 | spin_lock_bh(&bp->phy_lock); | |
9488 | if (bp->state == BNX2X_STATE_OPEN) { | |
9489 | err = bnx2x_mdio22_read(bp, data->reg_num & 0x1f, | |
9490 | &mii_regval); | |
9491 | ||
9492 | data->val_out = mii_regval; | |
9493 | } else { | |
9494 | err = -EAGAIN; | |
9495 | } | |
9496 | spin_unlock_bh(&bp->phy_lock); | |
9497 | return err; | |
9498 | } | |
9499 | ||
9500 | case SIOCSMIIREG: | |
9501 | if (!capable(CAP_NET_ADMIN)) | |
9502 | return -EPERM; | |
9503 | ||
9504 | spin_lock_bh(&bp->phy_lock); | |
9505 | if (bp->state == BNX2X_STATE_OPEN) { | |
9506 | err = bnx2x_mdio22_write(bp, data->reg_num & 0x1f, | |
9507 | data->val_in); | |
9508 | } else { | |
9509 | err = -EAGAIN; | |
9510 | } | |
9511 | spin_unlock_bh(&bp->phy_lock); | |
9512 | return err; | |
9513 | ||
9514 | default: | |
9515 | /* do nothing */ | |
9516 | break; | |
9517 | } | |
9518 | ||
9519 | return -EOPNOTSUPP; | |
9520 | } | |
9521 | ||
9522 | /* Called with rtnl_lock */ | |
9523 | static int bnx2x_change_mtu(struct net_device *dev, int new_mtu) | |
9524 | { | |
9525 | struct bnx2x *bp = netdev_priv(dev); | |
9526 | ||
9527 | if ((new_mtu > ETH_MAX_JUMBO_PACKET_SIZE) || | |
9528 | ((new_mtu + ETH_HLEN) < ETH_MIN_PACKET_SIZE)) | |
9529 | return -EINVAL; | |
9530 | ||
9531 | /* This does not race with packet allocation | |
c14423fe | 9532 | * because the actual alloc size is |
a2fbb9ea ET |
9533 | * only updated as part of load |
9534 | */ | |
9535 | dev->mtu = new_mtu; | |
9536 | ||
9537 | if (netif_running(dev)) { | |
9538 | bnx2x_nic_unload(bp, 0); | |
9539 | bnx2x_nic_load(bp, 0); | |
9540 | } | |
9541 | return 0; | |
9542 | } | |
9543 | ||
9544 | static void bnx2x_tx_timeout(struct net_device *dev) | |
9545 | { | |
9546 | struct bnx2x *bp = netdev_priv(dev); | |
9547 | ||
9548 | #ifdef BNX2X_STOP_ON_ERROR | |
9549 | if (!bp->panic) | |
9550 | bnx2x_panic(); | |
9551 | #endif | |
9552 | /* This allows the netif to be shutdown gracefully before resetting */ | |
9553 | schedule_work(&bp->reset_task); | |
9554 | } | |
9555 | ||
9556 | #ifdef BCM_VLAN | |
9557 | /* Called with rtnl_lock */ | |
9558 | static void bnx2x_vlan_rx_register(struct net_device *dev, | |
9559 | struct vlan_group *vlgrp) | |
9560 | { | |
9561 | struct bnx2x *bp = netdev_priv(dev); | |
9562 | ||
9563 | bp->vlgrp = vlgrp; | |
9564 | if (netif_running(dev)) | |
49d66772 | 9565 | bnx2x_set_client_config(bp); |
a2fbb9ea ET |
9566 | } |
9567 | #endif | |
9568 | ||
9569 | #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER) | |
9570 | static void poll_bnx2x(struct net_device *dev) | |
9571 | { | |
9572 | struct bnx2x *bp = netdev_priv(dev); | |
9573 | ||
9574 | disable_irq(bp->pdev->irq); | |
9575 | bnx2x_interrupt(bp->pdev->irq, dev); | |
9576 | enable_irq(bp->pdev->irq); | |
9577 | } | |
9578 | #endif | |
9579 | ||
9580 | static void bnx2x_reset_task(struct work_struct *work) | |
9581 | { | |
9582 | struct bnx2x *bp = container_of(work, struct bnx2x, reset_task); | |
9583 | ||
9584 | #ifdef BNX2X_STOP_ON_ERROR | |
9585 | BNX2X_ERR("reset task called but STOP_ON_ERROR defined" | |
9586 | " so reset not done to allow debug dump,\n" | |
9587 | KERN_ERR " you will need to reboot when done\n"); | |
9588 | return; | |
9589 | #endif | |
9590 | ||
9591 | if (!netif_running(bp->dev)) | |
9592 | return; | |
9593 | ||
228241eb | 9594 | rtnl_lock(); |
a2fbb9ea | 9595 | |
228241eb ET |
9596 | if (bp->state != BNX2X_STATE_OPEN) { |
9597 | DP(NETIF_MSG_TX_ERR, "state is %x, returning\n", bp->state); | |
9598 | goto reset_task_exit; | |
9599 | } | |
a2fbb9ea ET |
9600 | |
9601 | bnx2x_nic_unload(bp, 0); | |
9602 | bnx2x_nic_load(bp, 0); | |
9603 | ||
228241eb ET |
9604 | reset_task_exit: |
9605 | rtnl_unlock(); | |
a2fbb9ea ET |
9606 | } |
9607 | ||
9608 | static int __devinit bnx2x_init_board(struct pci_dev *pdev, | |
9609 | struct net_device *dev) | |
9610 | { | |
9611 | struct bnx2x *bp; | |
9612 | int rc; | |
9613 | ||
9614 | SET_NETDEV_DEV(dev, &pdev->dev); | |
9615 | bp = netdev_priv(dev); | |
9616 | ||
9617 | bp->flags = 0; | |
9618 | bp->port = PCI_FUNC(pdev->devfn); | |
9619 | ||
9620 | rc = pci_enable_device(pdev); | |
9621 | if (rc) { | |
9622 | printk(KERN_ERR PFX "Cannot enable PCI device, aborting\n"); | |
9623 | goto err_out; | |
9624 | } | |
9625 | ||
9626 | if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { | |
9627 | printk(KERN_ERR PFX "Cannot find PCI device base address," | |
9628 | " aborting\n"); | |
9629 | rc = -ENODEV; | |
9630 | goto err_out_disable; | |
9631 | } | |
9632 | ||
9633 | if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) { | |
9634 | printk(KERN_ERR PFX "Cannot find second PCI device" | |
9635 | " base address, aborting\n"); | |
9636 | rc = -ENODEV; | |
9637 | goto err_out_disable; | |
9638 | } | |
9639 | ||
9640 | rc = pci_request_regions(pdev, DRV_MODULE_NAME); | |
9641 | if (rc) { | |
9642 | printk(KERN_ERR PFX "Cannot obtain PCI resources," | |
9643 | " aborting\n"); | |
9644 | goto err_out_disable; | |
9645 | } | |
9646 | ||
9647 | pci_set_master(pdev); | |
9648 | ||
9649 | bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM); | |
9650 | if (bp->pm_cap == 0) { | |
9651 | printk(KERN_ERR PFX "Cannot find power management" | |
9652 | " capability, aborting\n"); | |
9653 | rc = -EIO; | |
9654 | goto err_out_release; | |
9655 | } | |
9656 | ||
9657 | bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP); | |
9658 | if (bp->pcie_cap == 0) { | |
9659 | printk(KERN_ERR PFX "Cannot find PCI Express capability," | |
9660 | " aborting\n"); | |
9661 | rc = -EIO; | |
9662 | goto err_out_release; | |
9663 | } | |
9664 | ||
9665 | if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) { | |
9666 | bp->flags |= USING_DAC_FLAG; | |
9667 | if (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) != 0) { | |
9668 | printk(KERN_ERR PFX "pci_set_consistent_dma_mask" | |
9669 | " failed, aborting\n"); | |
9670 | rc = -EIO; | |
9671 | goto err_out_release; | |
9672 | } | |
9673 | ||
9674 | } else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) { | |
9675 | printk(KERN_ERR PFX "System does not support DMA," | |
9676 | " aborting\n"); | |
9677 | rc = -EIO; | |
9678 | goto err_out_release; | |
9679 | } | |
9680 | ||
9681 | bp->dev = dev; | |
9682 | bp->pdev = pdev; | |
9683 | ||
9684 | spin_lock_init(&bp->phy_lock); | |
9685 | ||
a2fbb9ea ET |
9686 | INIT_WORK(&bp->reset_task, bnx2x_reset_task); |
9687 | INIT_WORK(&bp->sp_task, bnx2x_sp_task); | |
9688 | ||
cba0516d | 9689 | dev->base_addr = pci_resource_start(pdev, 0); |
a2fbb9ea ET |
9690 | |
9691 | dev->irq = pdev->irq; | |
9692 | ||
9693 | bp->regview = ioremap_nocache(dev->base_addr, | |
9694 | pci_resource_len(pdev, 0)); | |
9695 | if (!bp->regview) { | |
9696 | printk(KERN_ERR PFX "Cannot map register space, aborting\n"); | |
9697 | rc = -ENOMEM; | |
9698 | goto err_out_release; | |
9699 | } | |
9700 | ||
9701 | bp->doorbells = ioremap_nocache(pci_resource_start(pdev , 2), | |
9702 | pci_resource_len(pdev, 2)); | |
9703 | if (!bp->doorbells) { | |
9704 | printk(KERN_ERR PFX "Cannot map doorbell space, aborting\n"); | |
9705 | rc = -ENOMEM; | |
9706 | goto err_out_unmap; | |
9707 | } | |
9708 | ||
9709 | bnx2x_set_power_state(bp, PCI_D0); | |
9710 | ||
9711 | bnx2x_get_hwinfo(bp); | |
9712 | ||
9713 | if (CHIP_REV(bp) == CHIP_REV_FPGA) { | |
c14423fe | 9714 | printk(KERN_ERR PFX "FPGA detected. MCP disabled," |
a2fbb9ea ET |
9715 | " will only init first device\n"); |
9716 | onefunc = 1; | |
9717 | nomcp = 1; | |
9718 | } | |
9719 | ||
9720 | if (nomcp) { | |
9721 | printk(KERN_ERR PFX "MCP disabled, will only" | |
9722 | " init first device\n"); | |
9723 | onefunc = 1; | |
9724 | } | |
9725 | ||
9726 | if (onefunc && bp->port) { | |
9727 | printk(KERN_ERR PFX "Second device disabled, exiting\n"); | |
9728 | rc = -ENODEV; | |
9729 | goto err_out_unmap; | |
9730 | } | |
9731 | ||
9732 | bp->tx_ring_size = MAX_TX_AVAIL; | |
9733 | bp->rx_ring_size = MAX_RX_AVAIL; | |
9734 | ||
9735 | bp->rx_csum = 1; | |
9736 | ||
9737 | bp->rx_offset = 0; | |
9738 | ||
9739 | bp->tx_quick_cons_trip_int = 0xff; | |
9740 | bp->tx_quick_cons_trip = 0xff; | |
9741 | bp->tx_ticks_int = 50; | |
9742 | bp->tx_ticks = 50; | |
9743 | ||
9744 | bp->rx_quick_cons_trip_int = 0xff; | |
9745 | bp->rx_quick_cons_trip = 0xff; | |
9746 | bp->rx_ticks_int = 25; | |
9747 | bp->rx_ticks = 25; | |
9748 | ||
9749 | bp->stats_ticks = 1000000 & 0xffff00; | |
9750 | ||
9751 | bp->timer_interval = HZ; | |
9752 | bp->current_interval = (poll ? poll : HZ); | |
9753 | ||
9754 | init_timer(&bp->timer); | |
9755 | bp->timer.expires = jiffies + bp->current_interval; | |
9756 | bp->timer.data = (unsigned long) bp; | |
9757 | bp->timer.function = bnx2x_timer; | |
9758 | ||
9759 | return 0; | |
9760 | ||
9761 | err_out_unmap: | |
9762 | if (bp->regview) { | |
9763 | iounmap(bp->regview); | |
9764 | bp->regview = NULL; | |
9765 | } | |
9766 | ||
9767 | if (bp->doorbells) { | |
9768 | iounmap(bp->doorbells); | |
9769 | bp->doorbells = NULL; | |
9770 | } | |
9771 | ||
9772 | err_out_release: | |
9773 | pci_release_regions(pdev); | |
9774 | ||
9775 | err_out_disable: | |
9776 | pci_disable_device(pdev); | |
9777 | pci_set_drvdata(pdev, NULL); | |
9778 | ||
9779 | err_out: | |
9780 | return rc; | |
9781 | } | |
9782 | ||
25047950 ET |
9783 | static int __devinit bnx2x_get_pcie_width(struct bnx2x *bp) |
9784 | { | |
9785 | u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL); | |
9786 | ||
9787 | val = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT; | |
9788 | return val; | |
9789 | } | |
9790 | ||
9791 | /* return value of 1=2.5GHz 2=5GHz */ | |
9792 | static int __devinit bnx2x_get_pcie_speed(struct bnx2x *bp) | |
9793 | { | |
9794 | u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL); | |
9795 | ||
9796 | val = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT; | |
9797 | return val; | |
9798 | } | |
9799 | ||
a2fbb9ea ET |
9800 | static int __devinit bnx2x_init_one(struct pci_dev *pdev, |
9801 | const struct pci_device_id *ent) | |
9802 | { | |
9803 | static int version_printed; | |
9804 | struct net_device *dev = NULL; | |
9805 | struct bnx2x *bp; | |
25047950 | 9806 | int rc; |
a2fbb9ea | 9807 | int port = PCI_FUNC(pdev->devfn); |
25047950 | 9808 | DECLARE_MAC_BUF(mac); |
a2fbb9ea ET |
9809 | |
9810 | if (version_printed++ == 0) | |
9811 | printk(KERN_INFO "%s", version); | |
9812 | ||
9813 | /* dev zeroed in init_etherdev */ | |
9814 | dev = alloc_etherdev(sizeof(*bp)); | |
9815 | if (!dev) | |
9816 | return -ENOMEM; | |
9817 | ||
9818 | netif_carrier_off(dev); | |
9819 | ||
9820 | bp = netdev_priv(dev); | |
9821 | bp->msglevel = debug; | |
9822 | ||
9823 | if (port && onefunc) { | |
9824 | printk(KERN_ERR PFX "second function disabled. exiting\n"); | |
25047950 | 9825 | free_netdev(dev); |
a2fbb9ea ET |
9826 | return 0; |
9827 | } | |
9828 | ||
9829 | rc = bnx2x_init_board(pdev, dev); | |
9830 | if (rc < 0) { | |
9831 | free_netdev(dev); | |
9832 | return rc; | |
9833 | } | |
9834 | ||
9835 | dev->hard_start_xmit = bnx2x_start_xmit; | |
9836 | dev->watchdog_timeo = TX_TIMEOUT; | |
9837 | ||
a2fbb9ea ET |
9838 | dev->ethtool_ops = &bnx2x_ethtool_ops; |
9839 | dev->open = bnx2x_open; | |
9840 | dev->stop = bnx2x_close; | |
9841 | dev->set_multicast_list = bnx2x_set_rx_mode; | |
9842 | dev->set_mac_address = bnx2x_change_mac_addr; | |
9843 | dev->do_ioctl = bnx2x_ioctl; | |
9844 | dev->change_mtu = bnx2x_change_mtu; | |
9845 | dev->tx_timeout = bnx2x_tx_timeout; | |
9846 | #ifdef BCM_VLAN | |
9847 | dev->vlan_rx_register = bnx2x_vlan_rx_register; | |
9848 | #endif | |
9849 | #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER) | |
9850 | dev->poll_controller = poll_bnx2x; | |
9851 | #endif | |
9852 | dev->features |= NETIF_F_SG; | |
9853 | if (bp->flags & USING_DAC_FLAG) | |
9854 | dev->features |= NETIF_F_HIGHDMA; | |
9855 | dev->features |= NETIF_F_IP_CSUM; | |
9856 | #ifdef BCM_VLAN | |
9857 | dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; | |
9858 | #endif | |
9859 | dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN; | |
9860 | ||
9861 | rc = register_netdev(dev); | |
9862 | if (rc) { | |
c14423fe | 9863 | dev_err(&pdev->dev, "Cannot register net device\n"); |
a2fbb9ea ET |
9864 | if (bp->regview) |
9865 | iounmap(bp->regview); | |
9866 | if (bp->doorbells) | |
9867 | iounmap(bp->doorbells); | |
9868 | pci_release_regions(pdev); | |
9869 | pci_disable_device(pdev); | |
9870 | pci_set_drvdata(pdev, NULL); | |
9871 | free_netdev(dev); | |
9872 | return rc; | |
9873 | } | |
9874 | ||
9875 | pci_set_drvdata(pdev, dev); | |
9876 | ||
9877 | bp->name = board_info[ent->driver_data].name; | |
25047950 ET |
9878 | printk(KERN_INFO "%s: %s (%c%d) PCI-E x%d %s found at mem %lx," |
9879 | " IRQ %d, ", dev->name, bp->name, | |
a2fbb9ea ET |
9880 | ((CHIP_ID(bp) & 0xf000) >> 12) + 'A', |
9881 | ((CHIP_ID(bp) & 0x0ff0) >> 4), | |
25047950 ET |
9882 | bnx2x_get_pcie_width(bp), |
9883 | (bnx2x_get_pcie_speed(bp) == 2) ? "5GHz (Gen2)" : "2.5GHz", | |
9884 | dev->base_addr, bp->pdev->irq); | |
9885 | printk(KERN_CONT "node addr %s\n", print_mac(mac, dev->dev_addr)); | |
a2fbb9ea ET |
9886 | return 0; |
9887 | } | |
9888 | ||
9889 | static void __devexit bnx2x_remove_one(struct pci_dev *pdev) | |
9890 | { | |
9891 | struct net_device *dev = pci_get_drvdata(pdev); | |
228241eb ET |
9892 | struct bnx2x *bp; |
9893 | ||
9894 | if (!dev) { | |
9895 | /* we get here if init_one() fails */ | |
9896 | printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n"); | |
9897 | return; | |
9898 | } | |
9899 | ||
9900 | bp = netdev_priv(dev); | |
a2fbb9ea | 9901 | |
a2fbb9ea ET |
9902 | unregister_netdev(dev); |
9903 | ||
9904 | if (bp->regview) | |
9905 | iounmap(bp->regview); | |
9906 | ||
9907 | if (bp->doorbells) | |
9908 | iounmap(bp->doorbells); | |
9909 | ||
9910 | free_netdev(dev); | |
9911 | pci_release_regions(pdev); | |
9912 | pci_disable_device(pdev); | |
9913 | pci_set_drvdata(pdev, NULL); | |
9914 | } | |
9915 | ||
9916 | static int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state) | |
9917 | { | |
9918 | struct net_device *dev = pci_get_drvdata(pdev); | |
228241eb ET |
9919 | struct bnx2x *bp; |
9920 | ||
9921 | if (!dev) | |
9922 | return 0; | |
a2fbb9ea ET |
9923 | |
9924 | if (!netif_running(dev)) | |
9925 | return 0; | |
9926 | ||
228241eb ET |
9927 | bp = netdev_priv(dev); |
9928 | ||
9929 | bnx2x_nic_unload(bp, 0); | |
a2fbb9ea ET |
9930 | |
9931 | netif_device_detach(dev); | |
a2fbb9ea | 9932 | |
228241eb | 9933 | pci_save_state(pdev); |
a2fbb9ea | 9934 | bnx2x_set_power_state(bp, pci_choose_state(pdev, state)); |
228241eb | 9935 | |
a2fbb9ea ET |
9936 | return 0; |
9937 | } | |
9938 | ||
9939 | static int bnx2x_resume(struct pci_dev *pdev) | |
9940 | { | |
9941 | struct net_device *dev = pci_get_drvdata(pdev); | |
228241eb | 9942 | struct bnx2x *bp; |
a2fbb9ea ET |
9943 | int rc; |
9944 | ||
228241eb ET |
9945 | if (!dev) { |
9946 | printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n"); | |
9947 | return -ENODEV; | |
9948 | } | |
9949 | ||
a2fbb9ea ET |
9950 | if (!netif_running(dev)) |
9951 | return 0; | |
9952 | ||
228241eb | 9953 | bp = netdev_priv(dev); |
a2fbb9ea | 9954 | |
228241eb | 9955 | pci_restore_state(pdev); |
a2fbb9ea ET |
9956 | bnx2x_set_power_state(bp, PCI_D0); |
9957 | netif_device_attach(dev); | |
9958 | ||
9959 | rc = bnx2x_nic_load(bp, 0); | |
9960 | if (rc) | |
9961 | return rc; | |
9962 | ||
9963 | return 0; | |
9964 | } | |
9965 | ||
9966 | static struct pci_driver bnx2x_pci_driver = { | |
9967 | .name = DRV_MODULE_NAME, | |
9968 | .id_table = bnx2x_pci_tbl, | |
9969 | .probe = bnx2x_init_one, | |
9970 | .remove = __devexit_p(bnx2x_remove_one), | |
9971 | .suspend = bnx2x_suspend, | |
9972 | .resume = bnx2x_resume, | |
9973 | }; | |
9974 | ||
9975 | static int __init bnx2x_init(void) | |
9976 | { | |
9977 | return pci_register_driver(&bnx2x_pci_driver); | |
9978 | } | |
9979 | ||
9980 | static void __exit bnx2x_cleanup(void) | |
9981 | { | |
9982 | pci_unregister_driver(&bnx2x_pci_driver); | |
9983 | } | |
9984 | ||
9985 | module_init(bnx2x_init); | |
9986 | module_exit(bnx2x_cleanup); | |
9987 |