Commit | Line | Data |
---|---|---|
6b7c5b94 | 1 | /* |
294aedcf | 2 | * Copyright (C) 2005 - 2010 ServerEngines |
6b7c5b94 SP |
3 | * All rights reserved. |
4 | * | |
5 | * This program is free software; you can redistribute it and/or | |
6 | * modify it under the terms of the GNU General Public License version 2 | |
7 | * as published by the Free Software Foundation. The full GNU General | |
8 | * Public License is included in this distribution in the file called COPYING. | |
9 | * | |
10 | * Contact Information: | |
11 | * linux-drivers@serverengines.com | |
12 | * | |
13 | * ServerEngines | |
14 | * 209 N. Fair Oaks Ave | |
15 | * Sunnyvale, CA 94085 | |
16 | */ | |
17 | ||
18 | #include "be.h" | |
8788fdc2 | 19 | #include "be_cmds.h" |
65f71b8b | 20 | #include <asm/div64.h> |
6b7c5b94 SP |
21 | |
22 | MODULE_VERSION(DRV_VER); | |
23 | MODULE_DEVICE_TABLE(pci, be_dev_ids); | |
24 | MODULE_DESCRIPTION(DRV_DESC " " DRV_VER); | |
25 | MODULE_AUTHOR("ServerEngines Corporation"); | |
26 | MODULE_LICENSE("GPL"); | |
27 | ||
28 | static unsigned int rx_frag_size = 2048; | |
ba343c77 | 29 | static unsigned int num_vfs; |
6b7c5b94 | 30 | module_param(rx_frag_size, uint, S_IRUGO); |
ba343c77 | 31 | module_param(num_vfs, uint, S_IRUGO); |
6b7c5b94 | 32 | MODULE_PARM_DESC(rx_frag_size, "Size of a fragment that holds rcvd data."); |
ba343c77 | 33 | MODULE_PARM_DESC(num_vfs, "Number of PCI VFs to initialize"); |
6b7c5b94 | 34 | |
3abcdeda SP |
35 | static bool multi_rxq = true; |
36 | module_param(multi_rxq, bool, S_IRUGO | S_IWUSR); | |
37 | MODULE_PARM_DESC(multi_rxq, "Multi Rx Queue support. Enabled by default"); | |
38 | ||
6b7c5b94 | 39 | static DEFINE_PCI_DEVICE_TABLE(be_dev_ids) = { |
c4ca2374 | 40 | { PCI_DEVICE(BE_VENDOR_ID, BE_DEVICE_ID1) }, |
59fd5d87 | 41 | { PCI_DEVICE(BE_VENDOR_ID, BE_DEVICE_ID2) }, |
c4ca2374 AK |
42 | { PCI_DEVICE(BE_VENDOR_ID, OC_DEVICE_ID1) }, |
43 | { PCI_DEVICE(BE_VENDOR_ID, OC_DEVICE_ID2) }, | |
fe6d2a38 | 44 | { PCI_DEVICE(EMULEX_VENDOR_ID, OC_DEVICE_ID3)}, |
6b7c5b94 SP |
45 | { 0 } |
46 | }; | |
47 | MODULE_DEVICE_TABLE(pci, be_dev_ids); | |
7c185276 AK |
48 | /* UE Status Low CSR */ |
49 | static char *ue_status_low_desc[] = { | |
50 | "CEV", | |
51 | "CTX", | |
52 | "DBUF", | |
53 | "ERX", | |
54 | "Host", | |
55 | "MPU", | |
56 | "NDMA", | |
57 | "PTC ", | |
58 | "RDMA ", | |
59 | "RXF ", | |
60 | "RXIPS ", | |
61 | "RXULP0 ", | |
62 | "RXULP1 ", | |
63 | "RXULP2 ", | |
64 | "TIM ", | |
65 | "TPOST ", | |
66 | "TPRE ", | |
67 | "TXIPS ", | |
68 | "TXULP0 ", | |
69 | "TXULP1 ", | |
70 | "UC ", | |
71 | "WDMA ", | |
72 | "TXULP2 ", | |
73 | "HOST1 ", | |
74 | "P0_OB_LINK ", | |
75 | "P1_OB_LINK ", | |
76 | "HOST_GPIO ", | |
77 | "MBOX ", | |
78 | "AXGMAC0", | |
79 | "AXGMAC1", | |
80 | "JTAG", | |
81 | "MPU_INTPEND" | |
82 | }; | |
83 | /* UE Status High CSR */ | |
84 | static char *ue_status_hi_desc[] = { | |
85 | "LPCMEMHOST", | |
86 | "MGMT_MAC", | |
87 | "PCS0ONLINE", | |
88 | "MPU_IRAM", | |
89 | "PCS1ONLINE", | |
90 | "PCTL0", | |
91 | "PCTL1", | |
92 | "PMEM", | |
93 | "RR", | |
94 | "TXPB", | |
95 | "RXPP", | |
96 | "XAUI", | |
97 | "TXP", | |
98 | "ARM", | |
99 | "IPC", | |
100 | "HOST2", | |
101 | "HOST3", | |
102 | "HOST4", | |
103 | "HOST5", | |
104 | "HOST6", | |
105 | "HOST7", | |
106 | "HOST8", | |
107 | "HOST9", | |
108 | "NETC" | |
109 | "Unknown", | |
110 | "Unknown", | |
111 | "Unknown", | |
112 | "Unknown", | |
113 | "Unknown", | |
114 | "Unknown", | |
115 | "Unknown", | |
116 | "Unknown" | |
117 | }; | |
6b7c5b94 | 118 | |
3abcdeda SP |
119 | static inline bool be_multi_rxq(struct be_adapter *adapter) |
120 | { | |
121 | return (adapter->num_rx_qs > 1); | |
122 | } | |
123 | ||
6b7c5b94 SP |
124 | static void be_queue_free(struct be_adapter *adapter, struct be_queue_info *q) |
125 | { | |
126 | struct be_dma_mem *mem = &q->dma_mem; | |
127 | if (mem->va) | |
128 | pci_free_consistent(adapter->pdev, mem->size, | |
129 | mem->va, mem->dma); | |
130 | } | |
131 | ||
132 | static int be_queue_alloc(struct be_adapter *adapter, struct be_queue_info *q, | |
133 | u16 len, u16 entry_size) | |
134 | { | |
135 | struct be_dma_mem *mem = &q->dma_mem; | |
136 | ||
137 | memset(q, 0, sizeof(*q)); | |
138 | q->len = len; | |
139 | q->entry_size = entry_size; | |
140 | mem->size = len * entry_size; | |
141 | mem->va = pci_alloc_consistent(adapter->pdev, mem->size, &mem->dma); | |
142 | if (!mem->va) | |
143 | return -1; | |
144 | memset(mem->va, 0, mem->size); | |
145 | return 0; | |
146 | } | |
147 | ||
8788fdc2 | 148 | static void be_intr_set(struct be_adapter *adapter, bool enable) |
6b7c5b94 | 149 | { |
8788fdc2 | 150 | u8 __iomem *addr = adapter->pcicfg + PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET; |
6b7c5b94 SP |
151 | u32 reg = ioread32(addr); |
152 | u32 enabled = reg & MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK; | |
5f0b849e | 153 | |
cf588477 SP |
154 | if (adapter->eeh_err) |
155 | return; | |
156 | ||
5f0b849e | 157 | if (!enabled && enable) |
6b7c5b94 | 158 | reg |= MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK; |
5f0b849e | 159 | else if (enabled && !enable) |
6b7c5b94 | 160 | reg &= ~MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK; |
5f0b849e | 161 | else |
6b7c5b94 | 162 | return; |
5f0b849e | 163 | |
6b7c5b94 SP |
164 | iowrite32(reg, addr); |
165 | } | |
166 | ||
8788fdc2 | 167 | static void be_rxq_notify(struct be_adapter *adapter, u16 qid, u16 posted) |
6b7c5b94 SP |
168 | { |
169 | u32 val = 0; | |
170 | val |= qid & DB_RQ_RING_ID_MASK; | |
171 | val |= posted << DB_RQ_NUM_POSTED_SHIFT; | |
f3eb62d2 SP |
172 | |
173 | wmb(); | |
8788fdc2 | 174 | iowrite32(val, adapter->db + DB_RQ_OFFSET); |
6b7c5b94 SP |
175 | } |
176 | ||
8788fdc2 | 177 | static void be_txq_notify(struct be_adapter *adapter, u16 qid, u16 posted) |
6b7c5b94 SP |
178 | { |
179 | u32 val = 0; | |
180 | val |= qid & DB_TXULP_RING_ID_MASK; | |
181 | val |= (posted & DB_TXULP_NUM_POSTED_MASK) << DB_TXULP_NUM_POSTED_SHIFT; | |
f3eb62d2 SP |
182 | |
183 | wmb(); | |
8788fdc2 | 184 | iowrite32(val, adapter->db + DB_TXULP1_OFFSET); |
6b7c5b94 SP |
185 | } |
186 | ||
8788fdc2 | 187 | static void be_eq_notify(struct be_adapter *adapter, u16 qid, |
6b7c5b94 SP |
188 | bool arm, bool clear_int, u16 num_popped) |
189 | { | |
190 | u32 val = 0; | |
191 | val |= qid & DB_EQ_RING_ID_MASK; | |
fe6d2a38 SP |
192 | val |= ((qid & DB_EQ_RING_ID_EXT_MASK) << |
193 | DB_EQ_RING_ID_EXT_MASK_SHIFT); | |
cf588477 SP |
194 | |
195 | if (adapter->eeh_err) | |
196 | return; | |
197 | ||
6b7c5b94 SP |
198 | if (arm) |
199 | val |= 1 << DB_EQ_REARM_SHIFT; | |
200 | if (clear_int) | |
201 | val |= 1 << DB_EQ_CLR_SHIFT; | |
202 | val |= 1 << DB_EQ_EVNT_SHIFT; | |
203 | val |= num_popped << DB_EQ_NUM_POPPED_SHIFT; | |
8788fdc2 | 204 | iowrite32(val, adapter->db + DB_EQ_OFFSET); |
6b7c5b94 SP |
205 | } |
206 | ||
8788fdc2 | 207 | void be_cq_notify(struct be_adapter *adapter, u16 qid, bool arm, u16 num_popped) |
6b7c5b94 SP |
208 | { |
209 | u32 val = 0; | |
210 | val |= qid & DB_CQ_RING_ID_MASK; | |
fe6d2a38 SP |
211 | val |= ((qid & DB_CQ_RING_ID_EXT_MASK) << |
212 | DB_CQ_RING_ID_EXT_MASK_SHIFT); | |
cf588477 SP |
213 | |
214 | if (adapter->eeh_err) | |
215 | return; | |
216 | ||
6b7c5b94 SP |
217 | if (arm) |
218 | val |= 1 << DB_CQ_REARM_SHIFT; | |
219 | val |= num_popped << DB_CQ_NUM_POPPED_SHIFT; | |
8788fdc2 | 220 | iowrite32(val, adapter->db + DB_CQ_OFFSET); |
6b7c5b94 SP |
221 | } |
222 | ||
6b7c5b94 SP |
223 | static int be_mac_addr_set(struct net_device *netdev, void *p) |
224 | { | |
225 | struct be_adapter *adapter = netdev_priv(netdev); | |
226 | struct sockaddr *addr = p; | |
227 | int status = 0; | |
228 | ||
ca9e4988 AK |
229 | if (!is_valid_ether_addr(addr->sa_data)) |
230 | return -EADDRNOTAVAIL; | |
231 | ||
ba343c77 SB |
232 | /* MAC addr configuration will be done in hardware for VFs |
233 | * by their corresponding PFs. Just copy to netdev addr here | |
234 | */ | |
235 | if (!be_physfn(adapter)) | |
236 | goto netdev_addr; | |
237 | ||
a65027e4 SP |
238 | status = be_cmd_pmac_del(adapter, adapter->if_handle, adapter->pmac_id); |
239 | if (status) | |
240 | return status; | |
6b7c5b94 | 241 | |
a65027e4 SP |
242 | status = be_cmd_pmac_add(adapter, (u8 *)addr->sa_data, |
243 | adapter->if_handle, &adapter->pmac_id); | |
ba343c77 | 244 | netdev_addr: |
6b7c5b94 SP |
245 | if (!status) |
246 | memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); | |
247 | ||
248 | return status; | |
249 | } | |
250 | ||
b31c50a7 | 251 | void netdev_stats_update(struct be_adapter *adapter) |
6b7c5b94 | 252 | { |
3abcdeda | 253 | struct be_hw_stats *hw_stats = hw_stats_from_cmd(adapter->stats_cmd.va); |
6b7c5b94 SP |
254 | struct be_rxf_stats *rxf_stats = &hw_stats->rxf; |
255 | struct be_port_rxf_stats *port_stats = | |
256 | &rxf_stats->port[adapter->port_num]; | |
78122a52 | 257 | struct net_device_stats *dev_stats = &adapter->netdev->stats; |
68110868 | 258 | struct be_erx_stats *erx_stats = &hw_stats->erx; |
3abcdeda SP |
259 | struct be_rx_obj *rxo; |
260 | int i; | |
6b7c5b94 | 261 | |
3abcdeda SP |
262 | memset(dev_stats, 0, sizeof(*dev_stats)); |
263 | for_all_rx_queues(adapter, rxo, i) { | |
264 | dev_stats->rx_packets += rx_stats(rxo)->rx_pkts; | |
265 | dev_stats->rx_bytes += rx_stats(rxo)->rx_bytes; | |
266 | dev_stats->multicast += rx_stats(rxo)->rx_mcast_pkts; | |
267 | /* no space in linux buffers: best possible approximation */ | |
268 | dev_stats->rx_dropped += | |
269 | erx_stats->rx_drops_no_fragments[rxo->q.id]; | |
270 | } | |
271 | ||
272 | dev_stats->tx_packets = tx_stats(adapter)->be_tx_pkts; | |
273 | dev_stats->tx_bytes = tx_stats(adapter)->be_tx_bytes; | |
6b7c5b94 SP |
274 | |
275 | /* bad pkts received */ | |
276 | dev_stats->rx_errors = port_stats->rx_crc_errors + | |
277 | port_stats->rx_alignment_symbol_errors + | |
278 | port_stats->rx_in_range_errors + | |
68110868 SP |
279 | port_stats->rx_out_range_errors + |
280 | port_stats->rx_frame_too_long + | |
281 | port_stats->rx_dropped_too_small + | |
282 | port_stats->rx_dropped_too_short + | |
283 | port_stats->rx_dropped_header_too_small + | |
284 | port_stats->rx_dropped_tcp_length + | |
285 | port_stats->rx_dropped_runt + | |
286 | port_stats->rx_tcp_checksum_errs + | |
287 | port_stats->rx_ip_checksum_errs + | |
288 | port_stats->rx_udp_checksum_errs; | |
289 | ||
6b7c5b94 SP |
290 | /* detailed rx errors */ |
291 | dev_stats->rx_length_errors = port_stats->rx_in_range_errors + | |
68110868 SP |
292 | port_stats->rx_out_range_errors + |
293 | port_stats->rx_frame_too_long; | |
294 | ||
6b7c5b94 SP |
295 | dev_stats->rx_crc_errors = port_stats->rx_crc_errors; |
296 | ||
297 | /* frame alignment errors */ | |
298 | dev_stats->rx_frame_errors = port_stats->rx_alignment_symbol_errors; | |
68110868 | 299 | |
6b7c5b94 SP |
300 | /* receiver fifo overrun */ |
301 | /* drops_no_pbuf is no per i/f, it's per BE card */ | |
302 | dev_stats->rx_fifo_errors = port_stats->rx_fifo_overflow + | |
303 | port_stats->rx_input_fifo_overflow + | |
304 | rxf_stats->rx_drops_no_pbuf; | |
6b7c5b94 SP |
305 | } |
306 | ||
8788fdc2 | 307 | void be_link_status_update(struct be_adapter *adapter, bool link_up) |
6b7c5b94 | 308 | { |
6b7c5b94 SP |
309 | struct net_device *netdev = adapter->netdev; |
310 | ||
6b7c5b94 | 311 | /* If link came up or went down */ |
a8f447bd | 312 | if (adapter->link_up != link_up) { |
0dffc83e | 313 | adapter->link_speed = -1; |
a8f447bd | 314 | if (link_up) { |
6b7c5b94 SP |
315 | netif_start_queue(netdev); |
316 | netif_carrier_on(netdev); | |
317 | printk(KERN_INFO "%s: Link up\n", netdev->name); | |
a8f447bd SP |
318 | } else { |
319 | netif_stop_queue(netdev); | |
320 | netif_carrier_off(netdev); | |
321 | printk(KERN_INFO "%s: Link down\n", netdev->name); | |
6b7c5b94 | 322 | } |
a8f447bd | 323 | adapter->link_up = link_up; |
6b7c5b94 | 324 | } |
6b7c5b94 SP |
325 | } |
326 | ||
327 | /* Update the EQ delay n BE based on the RX frags consumed / sec */ | |
3abcdeda | 328 | static void be_rx_eqd_update(struct be_adapter *adapter, struct be_rx_obj *rxo) |
6b7c5b94 | 329 | { |
3abcdeda SP |
330 | struct be_eq_obj *rx_eq = &rxo->rx_eq; |
331 | struct be_rx_stats *stats = &rxo->stats; | |
4097f663 SP |
332 | ulong now = jiffies; |
333 | u32 eqd; | |
334 | ||
335 | if (!rx_eq->enable_aic) | |
336 | return; | |
337 | ||
338 | /* Wrapped around */ | |
339 | if (time_before(now, stats->rx_fps_jiffies)) { | |
340 | stats->rx_fps_jiffies = now; | |
341 | return; | |
342 | } | |
6b7c5b94 SP |
343 | |
344 | /* Update once a second */ | |
4097f663 | 345 | if ((now - stats->rx_fps_jiffies) < HZ) |
6b7c5b94 SP |
346 | return; |
347 | ||
3abcdeda | 348 | stats->rx_fps = (stats->rx_frags - stats->prev_rx_frags) / |
4097f663 | 349 | ((now - stats->rx_fps_jiffies) / HZ); |
6b7c5b94 | 350 | |
4097f663 | 351 | stats->rx_fps_jiffies = now; |
3abcdeda SP |
352 | stats->prev_rx_frags = stats->rx_frags; |
353 | eqd = stats->rx_fps / 110000; | |
6b7c5b94 SP |
354 | eqd = eqd << 3; |
355 | if (eqd > rx_eq->max_eqd) | |
356 | eqd = rx_eq->max_eqd; | |
357 | if (eqd < rx_eq->min_eqd) | |
358 | eqd = rx_eq->min_eqd; | |
359 | if (eqd < 10) | |
360 | eqd = 0; | |
361 | if (eqd != rx_eq->cur_eqd) | |
8788fdc2 | 362 | be_cmd_modify_eqd(adapter, rx_eq->q.id, eqd); |
6b7c5b94 SP |
363 | |
364 | rx_eq->cur_eqd = eqd; | |
365 | } | |
366 | ||
65f71b8b SH |
367 | static u32 be_calc_rate(u64 bytes, unsigned long ticks) |
368 | { | |
369 | u64 rate = bytes; | |
370 | ||
371 | do_div(rate, ticks / HZ); | |
372 | rate <<= 3; /* bytes/sec -> bits/sec */ | |
373 | do_div(rate, 1000000ul); /* MB/Sec */ | |
374 | ||
375 | return rate; | |
376 | } | |
377 | ||
4097f663 SP |
378 | static void be_tx_rate_update(struct be_adapter *adapter) |
379 | { | |
3abcdeda | 380 | struct be_tx_stats *stats = tx_stats(adapter); |
4097f663 SP |
381 | ulong now = jiffies; |
382 | ||
383 | /* Wrapped around? */ | |
384 | if (time_before(now, stats->be_tx_jiffies)) { | |
385 | stats->be_tx_jiffies = now; | |
386 | return; | |
387 | } | |
388 | ||
389 | /* Update tx rate once in two seconds */ | |
390 | if ((now - stats->be_tx_jiffies) > 2 * HZ) { | |
65f71b8b SH |
391 | stats->be_tx_rate = be_calc_rate(stats->be_tx_bytes |
392 | - stats->be_tx_bytes_prev, | |
393 | now - stats->be_tx_jiffies); | |
4097f663 SP |
394 | stats->be_tx_jiffies = now; |
395 | stats->be_tx_bytes_prev = stats->be_tx_bytes; | |
396 | } | |
397 | } | |
398 | ||
6b7c5b94 | 399 | static void be_tx_stats_update(struct be_adapter *adapter, |
91992e44 | 400 | u32 wrb_cnt, u32 copied, u32 gso_segs, bool stopped) |
6b7c5b94 | 401 | { |
3abcdeda | 402 | struct be_tx_stats *stats = tx_stats(adapter); |
6b7c5b94 SP |
403 | stats->be_tx_reqs++; |
404 | stats->be_tx_wrbs += wrb_cnt; | |
405 | stats->be_tx_bytes += copied; | |
91992e44 | 406 | stats->be_tx_pkts += (gso_segs ? gso_segs : 1); |
6b7c5b94 SP |
407 | if (stopped) |
408 | stats->be_tx_stops++; | |
6b7c5b94 SP |
409 | } |
410 | ||
411 | /* Determine number of WRB entries needed to xmit data in an skb */ | |
fe6d2a38 SP |
412 | static u32 wrb_cnt_for_skb(struct be_adapter *adapter, struct sk_buff *skb, |
413 | bool *dummy) | |
6b7c5b94 | 414 | { |
ebc8d2ab DM |
415 | int cnt = (skb->len > skb->data_len); |
416 | ||
417 | cnt += skb_shinfo(skb)->nr_frags; | |
418 | ||
6b7c5b94 SP |
419 | /* to account for hdr wrb */ |
420 | cnt++; | |
fe6d2a38 SP |
421 | if (lancer_chip(adapter) || !(cnt & 1)) { |
422 | *dummy = false; | |
423 | } else { | |
6b7c5b94 SP |
424 | /* add a dummy to make it an even num */ |
425 | cnt++; | |
426 | *dummy = true; | |
fe6d2a38 | 427 | } |
6b7c5b94 SP |
428 | BUG_ON(cnt > BE_MAX_TX_FRAG_COUNT); |
429 | return cnt; | |
430 | } | |
431 | ||
432 | static inline void wrb_fill(struct be_eth_wrb *wrb, u64 addr, int len) | |
433 | { | |
434 | wrb->frag_pa_hi = upper_32_bits(addr); | |
435 | wrb->frag_pa_lo = addr & 0xFFFFFFFF; | |
436 | wrb->frag_len = len & ETH_WRB_FRAG_LEN_MASK; | |
437 | } | |
438 | ||
cc4ce020 SK |
439 | static void wrb_fill_hdr(struct be_adapter *adapter, struct be_eth_hdr_wrb *hdr, |
440 | struct sk_buff *skb, u32 wrb_cnt, u32 len) | |
6b7c5b94 | 441 | { |
cc4ce020 SK |
442 | u8 vlan_prio = 0; |
443 | u16 vlan_tag = 0; | |
444 | ||
6b7c5b94 SP |
445 | memset(hdr, 0, sizeof(*hdr)); |
446 | ||
447 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, crc, hdr, 1); | |
448 | ||
49e4b847 | 449 | if (skb_is_gso(skb)) { |
6b7c5b94 SP |
450 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, lso, hdr, 1); |
451 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, lso_mss, | |
452 | hdr, skb_shinfo(skb)->gso_size); | |
fe6d2a38 | 453 | if (skb_is_gso_v6(skb) && !lancer_chip(adapter)) |
49e4b847 | 454 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, lso6, hdr, 1); |
fe6d2a38 SP |
455 | if (lancer_chip(adapter) && adapter->sli_family == |
456 | LANCER_A0_SLI_FAMILY) { | |
457 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, ipcs, hdr, 1); | |
458 | if (is_tcp_pkt(skb)) | |
459 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, | |
460 | tcpcs, hdr, 1); | |
461 | else if (is_udp_pkt(skb)) | |
462 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, | |
463 | udpcs, hdr, 1); | |
464 | } | |
6b7c5b94 SP |
465 | } else if (skb->ip_summed == CHECKSUM_PARTIAL) { |
466 | if (is_tcp_pkt(skb)) | |
467 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, tcpcs, hdr, 1); | |
468 | else if (is_udp_pkt(skb)) | |
469 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, udpcs, hdr, 1); | |
470 | } | |
471 | ||
cc4ce020 | 472 | if (adapter->vlan_grp && vlan_tx_tag_present(skb)) { |
6b7c5b94 | 473 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, vlan, hdr, 1); |
cc4ce020 SK |
474 | vlan_tag = vlan_tx_tag_get(skb); |
475 | vlan_prio = (vlan_tag & VLAN_PRIO_MASK) >> VLAN_PRIO_SHIFT; | |
476 | /* If vlan priority provided by OS is NOT in available bmap */ | |
477 | if (!(adapter->vlan_prio_bmap & (1 << vlan_prio))) | |
478 | vlan_tag = (vlan_tag & ~VLAN_PRIO_MASK) | | |
479 | adapter->recommended_prio; | |
480 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, vlan_tag, hdr, vlan_tag); | |
6b7c5b94 SP |
481 | } |
482 | ||
483 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, event, hdr, 1); | |
484 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, complete, hdr, 1); | |
485 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, num_wrb, hdr, wrb_cnt); | |
486 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, len, hdr, len); | |
487 | } | |
488 | ||
7101e111 SP |
489 | static void unmap_tx_frag(struct pci_dev *pdev, struct be_eth_wrb *wrb, |
490 | bool unmap_single) | |
491 | { | |
492 | dma_addr_t dma; | |
493 | ||
494 | be_dws_le_to_cpu(wrb, sizeof(*wrb)); | |
495 | ||
496 | dma = (u64)wrb->frag_pa_hi << 32 | (u64)wrb->frag_pa_lo; | |
b681ee77 | 497 | if (wrb->frag_len) { |
7101e111 SP |
498 | if (unmap_single) |
499 | pci_unmap_single(pdev, dma, wrb->frag_len, | |
500 | PCI_DMA_TODEVICE); | |
501 | else | |
502 | pci_unmap_page(pdev, dma, wrb->frag_len, | |
503 | PCI_DMA_TODEVICE); | |
504 | } | |
505 | } | |
6b7c5b94 SP |
506 | |
507 | static int make_tx_wrbs(struct be_adapter *adapter, | |
508 | struct sk_buff *skb, u32 wrb_cnt, bool dummy_wrb) | |
509 | { | |
7101e111 SP |
510 | dma_addr_t busaddr; |
511 | int i, copied = 0; | |
6b7c5b94 SP |
512 | struct pci_dev *pdev = adapter->pdev; |
513 | struct sk_buff *first_skb = skb; | |
514 | struct be_queue_info *txq = &adapter->tx_obj.q; | |
515 | struct be_eth_wrb *wrb; | |
516 | struct be_eth_hdr_wrb *hdr; | |
7101e111 SP |
517 | bool map_single = false; |
518 | u16 map_head; | |
6b7c5b94 | 519 | |
6b7c5b94 SP |
520 | hdr = queue_head_node(txq); |
521 | queue_head_inc(txq); | |
7101e111 | 522 | map_head = txq->head; |
6b7c5b94 | 523 | |
ebc8d2ab | 524 | if (skb->len > skb->data_len) { |
e743d313 | 525 | int len = skb_headlen(skb); |
a73b796e AD |
526 | busaddr = pci_map_single(pdev, skb->data, len, |
527 | PCI_DMA_TODEVICE); | |
7101e111 SP |
528 | if (pci_dma_mapping_error(pdev, busaddr)) |
529 | goto dma_err; | |
530 | map_single = true; | |
ebc8d2ab DM |
531 | wrb = queue_head_node(txq); |
532 | wrb_fill(wrb, busaddr, len); | |
533 | be_dws_cpu_to_le(wrb, sizeof(*wrb)); | |
534 | queue_head_inc(txq); | |
535 | copied += len; | |
536 | } | |
6b7c5b94 | 537 | |
ebc8d2ab DM |
538 | for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { |
539 | struct skb_frag_struct *frag = | |
540 | &skb_shinfo(skb)->frags[i]; | |
a73b796e AD |
541 | busaddr = pci_map_page(pdev, frag->page, |
542 | frag->page_offset, | |
543 | frag->size, PCI_DMA_TODEVICE); | |
7101e111 SP |
544 | if (pci_dma_mapping_error(pdev, busaddr)) |
545 | goto dma_err; | |
ebc8d2ab DM |
546 | wrb = queue_head_node(txq); |
547 | wrb_fill(wrb, busaddr, frag->size); | |
548 | be_dws_cpu_to_le(wrb, sizeof(*wrb)); | |
549 | queue_head_inc(txq); | |
550 | copied += frag->size; | |
6b7c5b94 SP |
551 | } |
552 | ||
553 | if (dummy_wrb) { | |
554 | wrb = queue_head_node(txq); | |
555 | wrb_fill(wrb, 0, 0); | |
556 | be_dws_cpu_to_le(wrb, sizeof(*wrb)); | |
557 | queue_head_inc(txq); | |
558 | } | |
559 | ||
cc4ce020 | 560 | wrb_fill_hdr(adapter, hdr, first_skb, wrb_cnt, copied); |
6b7c5b94 SP |
561 | be_dws_cpu_to_le(hdr, sizeof(*hdr)); |
562 | ||
563 | return copied; | |
7101e111 SP |
564 | dma_err: |
565 | txq->head = map_head; | |
566 | while (copied) { | |
567 | wrb = queue_head_node(txq); | |
568 | unmap_tx_frag(pdev, wrb, map_single); | |
569 | map_single = false; | |
570 | copied -= wrb->frag_len; | |
571 | queue_head_inc(txq); | |
572 | } | |
573 | return 0; | |
6b7c5b94 SP |
574 | } |
575 | ||
61357325 | 576 | static netdev_tx_t be_xmit(struct sk_buff *skb, |
b31c50a7 | 577 | struct net_device *netdev) |
6b7c5b94 SP |
578 | { |
579 | struct be_adapter *adapter = netdev_priv(netdev); | |
580 | struct be_tx_obj *tx_obj = &adapter->tx_obj; | |
581 | struct be_queue_info *txq = &tx_obj->q; | |
582 | u32 wrb_cnt = 0, copied = 0; | |
583 | u32 start = txq->head; | |
584 | bool dummy_wrb, stopped = false; | |
585 | ||
fe6d2a38 | 586 | wrb_cnt = wrb_cnt_for_skb(adapter, skb, &dummy_wrb); |
6b7c5b94 SP |
587 | |
588 | copied = make_tx_wrbs(adapter, skb, wrb_cnt, dummy_wrb); | |
c190e3c8 AK |
589 | if (copied) { |
590 | /* record the sent skb in the sent_skb table */ | |
591 | BUG_ON(tx_obj->sent_skb_list[start]); | |
592 | tx_obj->sent_skb_list[start] = skb; | |
593 | ||
594 | /* Ensure txq has space for the next skb; Else stop the queue | |
595 | * *BEFORE* ringing the tx doorbell, so that we serialze the | |
596 | * tx compls of the current transmit which'll wake up the queue | |
597 | */ | |
7101e111 | 598 | atomic_add(wrb_cnt, &txq->used); |
c190e3c8 AK |
599 | if ((BE_MAX_TX_FRAG_COUNT + atomic_read(&txq->used)) >= |
600 | txq->len) { | |
601 | netif_stop_queue(netdev); | |
602 | stopped = true; | |
603 | } | |
6b7c5b94 | 604 | |
c190e3c8 | 605 | be_txq_notify(adapter, txq->id, wrb_cnt); |
6b7c5b94 | 606 | |
91992e44 AK |
607 | be_tx_stats_update(adapter, wrb_cnt, copied, |
608 | skb_shinfo(skb)->gso_segs, stopped); | |
c190e3c8 AK |
609 | } else { |
610 | txq->head = start; | |
611 | dev_kfree_skb_any(skb); | |
6b7c5b94 | 612 | } |
6b7c5b94 SP |
613 | return NETDEV_TX_OK; |
614 | } | |
615 | ||
616 | static int be_change_mtu(struct net_device *netdev, int new_mtu) | |
617 | { | |
618 | struct be_adapter *adapter = netdev_priv(netdev); | |
619 | if (new_mtu < BE_MIN_MTU || | |
34a89b8c AK |
620 | new_mtu > (BE_MAX_JUMBO_FRAME_SIZE - |
621 | (ETH_HLEN + ETH_FCS_LEN))) { | |
6b7c5b94 SP |
622 | dev_info(&adapter->pdev->dev, |
623 | "MTU must be between %d and %d bytes\n", | |
34a89b8c AK |
624 | BE_MIN_MTU, |
625 | (BE_MAX_JUMBO_FRAME_SIZE - (ETH_HLEN + ETH_FCS_LEN))); | |
6b7c5b94 SP |
626 | return -EINVAL; |
627 | } | |
628 | dev_info(&adapter->pdev->dev, "MTU changed from %d to %d bytes\n", | |
629 | netdev->mtu, new_mtu); | |
630 | netdev->mtu = new_mtu; | |
631 | return 0; | |
632 | } | |
633 | ||
634 | /* | |
82903e4b AK |
635 | * A max of 64 (BE_NUM_VLANS_SUPPORTED) vlans can be configured in BE. |
636 | * If the user configures more, place BE in vlan promiscuous mode. | |
6b7c5b94 | 637 | */ |
1da87b7f | 638 | static int be_vid_config(struct be_adapter *adapter, bool vf, u32 vf_num) |
6b7c5b94 | 639 | { |
6b7c5b94 SP |
640 | u16 vtag[BE_NUM_VLANS_SUPPORTED]; |
641 | u16 ntags = 0, i; | |
82903e4b | 642 | int status = 0; |
1da87b7f AK |
643 | u32 if_handle; |
644 | ||
645 | if (vf) { | |
646 | if_handle = adapter->vf_cfg[vf_num].vf_if_handle; | |
647 | vtag[0] = cpu_to_le16(adapter->vf_cfg[vf_num].vf_vlan_tag); | |
648 | status = be_cmd_vlan_config(adapter, if_handle, vtag, 1, 1, 0); | |
649 | } | |
6b7c5b94 | 650 | |
82903e4b | 651 | if (adapter->vlans_added <= adapter->max_vlans) { |
6b7c5b94 | 652 | /* Construct VLAN Table to give to HW */ |
b738127d | 653 | for (i = 0; i < VLAN_N_VID; i++) { |
6b7c5b94 SP |
654 | if (adapter->vlan_tag[i]) { |
655 | vtag[ntags] = cpu_to_le16(i); | |
656 | ntags++; | |
657 | } | |
658 | } | |
b31c50a7 SP |
659 | status = be_cmd_vlan_config(adapter, adapter->if_handle, |
660 | vtag, ntags, 1, 0); | |
6b7c5b94 | 661 | } else { |
b31c50a7 SP |
662 | status = be_cmd_vlan_config(adapter, adapter->if_handle, |
663 | NULL, 0, 1, 1); | |
6b7c5b94 | 664 | } |
1da87b7f | 665 | |
b31c50a7 | 666 | return status; |
6b7c5b94 SP |
667 | } |
668 | ||
669 | static void be_vlan_register(struct net_device *netdev, struct vlan_group *grp) | |
670 | { | |
671 | struct be_adapter *adapter = netdev_priv(netdev); | |
6b7c5b94 | 672 | |
6b7c5b94 | 673 | adapter->vlan_grp = grp; |
6b7c5b94 SP |
674 | } |
675 | ||
676 | static void be_vlan_add_vid(struct net_device *netdev, u16 vid) | |
677 | { | |
678 | struct be_adapter *adapter = netdev_priv(netdev); | |
679 | ||
1da87b7f | 680 | adapter->vlans_added++; |
ba343c77 SB |
681 | if (!be_physfn(adapter)) |
682 | return; | |
683 | ||
6b7c5b94 | 684 | adapter->vlan_tag[vid] = 1; |
82903e4b | 685 | if (adapter->vlans_added <= (adapter->max_vlans + 1)) |
1da87b7f | 686 | be_vid_config(adapter, false, 0); |
6b7c5b94 SP |
687 | } |
688 | ||
689 | static void be_vlan_rem_vid(struct net_device *netdev, u16 vid) | |
690 | { | |
691 | struct be_adapter *adapter = netdev_priv(netdev); | |
692 | ||
1da87b7f AK |
693 | adapter->vlans_added--; |
694 | vlan_group_set_device(adapter->vlan_grp, vid, NULL); | |
695 | ||
ba343c77 SB |
696 | if (!be_physfn(adapter)) |
697 | return; | |
698 | ||
6b7c5b94 | 699 | adapter->vlan_tag[vid] = 0; |
82903e4b | 700 | if (adapter->vlans_added <= adapter->max_vlans) |
1da87b7f | 701 | be_vid_config(adapter, false, 0); |
6b7c5b94 SP |
702 | } |
703 | ||
24307eef | 704 | static void be_set_multicast_list(struct net_device *netdev) |
6b7c5b94 SP |
705 | { |
706 | struct be_adapter *adapter = netdev_priv(netdev); | |
6b7c5b94 | 707 | |
24307eef | 708 | if (netdev->flags & IFF_PROMISC) { |
8788fdc2 | 709 | be_cmd_promiscuous_config(adapter, adapter->port_num, 1); |
24307eef SP |
710 | adapter->promiscuous = true; |
711 | goto done; | |
6b7c5b94 SP |
712 | } |
713 | ||
24307eef SP |
714 | /* BE was previously in promiscous mode; disable it */ |
715 | if (adapter->promiscuous) { | |
716 | adapter->promiscuous = false; | |
8788fdc2 | 717 | be_cmd_promiscuous_config(adapter, adapter->port_num, 0); |
6b7c5b94 SP |
718 | } |
719 | ||
e7b909a6 | 720 | /* Enable multicast promisc if num configured exceeds what we support */ |
4cd24eaf JP |
721 | if (netdev->flags & IFF_ALLMULTI || |
722 | netdev_mc_count(netdev) > BE_MAX_MC) { | |
0ddf477b | 723 | be_cmd_multicast_set(adapter, adapter->if_handle, NULL, |
e7b909a6 | 724 | &adapter->mc_cmd_mem); |
24307eef | 725 | goto done; |
6b7c5b94 | 726 | } |
6b7c5b94 | 727 | |
0ddf477b | 728 | be_cmd_multicast_set(adapter, adapter->if_handle, netdev, |
f31e50a8 | 729 | &adapter->mc_cmd_mem); |
24307eef SP |
730 | done: |
731 | return; | |
6b7c5b94 SP |
732 | } |
733 | ||
ba343c77 SB |
734 | static int be_set_vf_mac(struct net_device *netdev, int vf, u8 *mac) |
735 | { | |
736 | struct be_adapter *adapter = netdev_priv(netdev); | |
737 | int status; | |
738 | ||
739 | if (!adapter->sriov_enabled) | |
740 | return -EPERM; | |
741 | ||
742 | if (!is_valid_ether_addr(mac) || (vf >= num_vfs)) | |
743 | return -EINVAL; | |
744 | ||
64600ea5 AK |
745 | if (adapter->vf_cfg[vf].vf_pmac_id != BE_INVALID_PMAC_ID) |
746 | status = be_cmd_pmac_del(adapter, | |
747 | adapter->vf_cfg[vf].vf_if_handle, | |
748 | adapter->vf_cfg[vf].vf_pmac_id); | |
ba343c77 | 749 | |
64600ea5 AK |
750 | status = be_cmd_pmac_add(adapter, mac, |
751 | adapter->vf_cfg[vf].vf_if_handle, | |
752 | &adapter->vf_cfg[vf].vf_pmac_id); | |
753 | ||
754 | if (status) | |
ba343c77 SB |
755 | dev_err(&adapter->pdev->dev, "MAC %pM set on VF %d Failed\n", |
756 | mac, vf); | |
64600ea5 AK |
757 | else |
758 | memcpy(adapter->vf_cfg[vf].vf_mac_addr, mac, ETH_ALEN); | |
759 | ||
ba343c77 SB |
760 | return status; |
761 | } | |
762 | ||
64600ea5 AK |
763 | static int be_get_vf_config(struct net_device *netdev, int vf, |
764 | struct ifla_vf_info *vi) | |
765 | { | |
766 | struct be_adapter *adapter = netdev_priv(netdev); | |
767 | ||
768 | if (!adapter->sriov_enabled) | |
769 | return -EPERM; | |
770 | ||
771 | if (vf >= num_vfs) | |
772 | return -EINVAL; | |
773 | ||
774 | vi->vf = vf; | |
e1d18735 | 775 | vi->tx_rate = adapter->vf_cfg[vf].vf_tx_rate; |
1da87b7f | 776 | vi->vlan = adapter->vf_cfg[vf].vf_vlan_tag; |
64600ea5 AK |
777 | vi->qos = 0; |
778 | memcpy(&vi->mac, adapter->vf_cfg[vf].vf_mac_addr, ETH_ALEN); | |
779 | ||
780 | return 0; | |
781 | } | |
782 | ||
1da87b7f AK |
783 | static int be_set_vf_vlan(struct net_device *netdev, |
784 | int vf, u16 vlan, u8 qos) | |
785 | { | |
786 | struct be_adapter *adapter = netdev_priv(netdev); | |
787 | int status = 0; | |
788 | ||
789 | if (!adapter->sriov_enabled) | |
790 | return -EPERM; | |
791 | ||
792 | if ((vf >= num_vfs) || (vlan > 4095)) | |
793 | return -EINVAL; | |
794 | ||
795 | if (vlan) { | |
796 | adapter->vf_cfg[vf].vf_vlan_tag = vlan; | |
797 | adapter->vlans_added++; | |
798 | } else { | |
799 | adapter->vf_cfg[vf].vf_vlan_tag = 0; | |
800 | adapter->vlans_added--; | |
801 | } | |
802 | ||
803 | status = be_vid_config(adapter, true, vf); | |
804 | ||
805 | if (status) | |
806 | dev_info(&adapter->pdev->dev, | |
807 | "VLAN %d config on VF %d failed\n", vlan, vf); | |
808 | return status; | |
809 | } | |
810 | ||
e1d18735 AK |
811 | static int be_set_vf_tx_rate(struct net_device *netdev, |
812 | int vf, int rate) | |
813 | { | |
814 | struct be_adapter *adapter = netdev_priv(netdev); | |
815 | int status = 0; | |
816 | ||
817 | if (!adapter->sriov_enabled) | |
818 | return -EPERM; | |
819 | ||
820 | if ((vf >= num_vfs) || (rate < 0)) | |
821 | return -EINVAL; | |
822 | ||
823 | if (rate > 10000) | |
824 | rate = 10000; | |
825 | ||
826 | adapter->vf_cfg[vf].vf_tx_rate = rate; | |
827 | status = be_cmd_set_qos(adapter, rate / 10, vf); | |
828 | ||
829 | if (status) | |
830 | dev_info(&adapter->pdev->dev, | |
831 | "tx rate %d on VF %d failed\n", rate, vf); | |
832 | return status; | |
833 | } | |
834 | ||
3abcdeda | 835 | static void be_rx_rate_update(struct be_rx_obj *rxo) |
6b7c5b94 | 836 | { |
3abcdeda | 837 | struct be_rx_stats *stats = &rxo->stats; |
4097f663 | 838 | ulong now = jiffies; |
6b7c5b94 | 839 | |
4097f663 | 840 | /* Wrapped around */ |
3abcdeda SP |
841 | if (time_before(now, stats->rx_jiffies)) { |
842 | stats->rx_jiffies = now; | |
4097f663 SP |
843 | return; |
844 | } | |
6b7c5b94 SP |
845 | |
846 | /* Update the rate once in two seconds */ | |
3abcdeda | 847 | if ((now - stats->rx_jiffies) < 2 * HZ) |
6b7c5b94 SP |
848 | return; |
849 | ||
3abcdeda SP |
850 | stats->rx_rate = be_calc_rate(stats->rx_bytes - stats->rx_bytes_prev, |
851 | now - stats->rx_jiffies); | |
852 | stats->rx_jiffies = now; | |
853 | stats->rx_bytes_prev = stats->rx_bytes; | |
6b7c5b94 SP |
854 | } |
855 | ||
3abcdeda | 856 | static void be_rx_stats_update(struct be_rx_obj *rxo, |
1ef78abe | 857 | u32 pktsize, u16 numfrags, u8 pkt_type) |
4097f663 | 858 | { |
3abcdeda | 859 | struct be_rx_stats *stats = &rxo->stats; |
1ef78abe | 860 | |
3abcdeda SP |
861 | stats->rx_compl++; |
862 | stats->rx_frags += numfrags; | |
863 | stats->rx_bytes += pktsize; | |
864 | stats->rx_pkts++; | |
1ef78abe | 865 | if (pkt_type == BE_MULTICAST_PACKET) |
3abcdeda | 866 | stats->rx_mcast_pkts++; |
4097f663 SP |
867 | } |
868 | ||
c6ce2f4b | 869 | static inline bool csum_passed(struct be_eth_rx_compl *rxcp) |
728a9972 | 870 | { |
c6ce2f4b | 871 | u8 l4_cksm, ipv6, ipcksm; |
728a9972 AK |
872 | |
873 | l4_cksm = AMAP_GET_BITS(struct amap_eth_rx_compl, l4_cksm, rxcp); | |
874 | ipcksm = AMAP_GET_BITS(struct amap_eth_rx_compl, ipcksm, rxcp); | |
c6ce2f4b | 875 | ipv6 = AMAP_GET_BITS(struct amap_eth_rx_compl, ip_version, rxcp); |
728a9972 | 876 | |
c6ce2f4b SK |
877 | /* Ignore ipcksm for ipv6 pkts */ |
878 | return l4_cksm && (ipcksm || ipv6); | |
728a9972 AK |
879 | } |
880 | ||
6b7c5b94 | 881 | static struct be_rx_page_info * |
3abcdeda SP |
882 | get_rx_page_info(struct be_adapter *adapter, |
883 | struct be_rx_obj *rxo, | |
884 | u16 frag_idx) | |
6b7c5b94 SP |
885 | { |
886 | struct be_rx_page_info *rx_page_info; | |
3abcdeda | 887 | struct be_queue_info *rxq = &rxo->q; |
6b7c5b94 | 888 | |
3abcdeda | 889 | rx_page_info = &rxo->page_info_tbl[frag_idx]; |
6b7c5b94 SP |
890 | BUG_ON(!rx_page_info->page); |
891 | ||
205859a2 | 892 | if (rx_page_info->last_page_user) { |
fac6da5b | 893 | pci_unmap_page(adapter->pdev, dma_unmap_addr(rx_page_info, bus), |
6b7c5b94 | 894 | adapter->big_page_size, PCI_DMA_FROMDEVICE); |
205859a2 AK |
895 | rx_page_info->last_page_user = false; |
896 | } | |
6b7c5b94 SP |
897 | |
898 | atomic_dec(&rxq->used); | |
899 | return rx_page_info; | |
900 | } | |
901 | ||
902 | /* Throwaway the data in the Rx completion */ | |
903 | static void be_rx_compl_discard(struct be_adapter *adapter, | |
3abcdeda SP |
904 | struct be_rx_obj *rxo, |
905 | struct be_eth_rx_compl *rxcp) | |
6b7c5b94 | 906 | { |
3abcdeda | 907 | struct be_queue_info *rxq = &rxo->q; |
6b7c5b94 SP |
908 | struct be_rx_page_info *page_info; |
909 | u16 rxq_idx, i, num_rcvd; | |
910 | ||
911 | rxq_idx = AMAP_GET_BITS(struct amap_eth_rx_compl, fragndx, rxcp); | |
912 | num_rcvd = AMAP_GET_BITS(struct amap_eth_rx_compl, numfrags, rxcp); | |
913 | ||
914 | for (i = 0; i < num_rcvd; i++) { | |
3abcdeda | 915 | page_info = get_rx_page_info(adapter, rxo, rxq_idx); |
6b7c5b94 SP |
916 | put_page(page_info->page); |
917 | memset(page_info, 0, sizeof(*page_info)); | |
918 | index_inc(&rxq_idx, rxq->len); | |
919 | } | |
920 | } | |
921 | ||
922 | /* | |
923 | * skb_fill_rx_data forms a complete skb for an ether frame | |
924 | * indicated by rxcp. | |
925 | */ | |
3abcdeda | 926 | static void skb_fill_rx_data(struct be_adapter *adapter, struct be_rx_obj *rxo, |
89420424 SP |
927 | struct sk_buff *skb, struct be_eth_rx_compl *rxcp, |
928 | u16 num_rcvd) | |
6b7c5b94 | 929 | { |
3abcdeda | 930 | struct be_queue_info *rxq = &rxo->q; |
6b7c5b94 | 931 | struct be_rx_page_info *page_info; |
89420424 | 932 | u16 rxq_idx, i, j; |
fa77406a | 933 | u32 pktsize, hdr_len, curr_frag_len, size; |
6b7c5b94 | 934 | u8 *start; |
1ef78abe | 935 | u8 pkt_type; |
6b7c5b94 SP |
936 | |
937 | rxq_idx = AMAP_GET_BITS(struct amap_eth_rx_compl, fragndx, rxcp); | |
938 | pktsize = AMAP_GET_BITS(struct amap_eth_rx_compl, pktsize, rxcp); | |
1ef78abe | 939 | pkt_type = AMAP_GET_BITS(struct amap_eth_rx_compl, cast_enc, rxcp); |
6b7c5b94 | 940 | |
3abcdeda | 941 | page_info = get_rx_page_info(adapter, rxo, rxq_idx); |
6b7c5b94 SP |
942 | |
943 | start = page_address(page_info->page) + page_info->page_offset; | |
944 | prefetch(start); | |
945 | ||
946 | /* Copy data in the first descriptor of this completion */ | |
947 | curr_frag_len = min(pktsize, rx_frag_size); | |
948 | ||
949 | /* Copy the header portion into skb_data */ | |
950 | hdr_len = min((u32)BE_HDR_LEN, curr_frag_len); | |
951 | memcpy(skb->data, start, hdr_len); | |
952 | skb->len = curr_frag_len; | |
953 | if (curr_frag_len <= BE_HDR_LEN) { /* tiny packet */ | |
954 | /* Complete packet has now been moved to data */ | |
955 | put_page(page_info->page); | |
956 | skb->data_len = 0; | |
957 | skb->tail += curr_frag_len; | |
958 | } else { | |
959 | skb_shinfo(skb)->nr_frags = 1; | |
960 | skb_shinfo(skb)->frags[0].page = page_info->page; | |
961 | skb_shinfo(skb)->frags[0].page_offset = | |
962 | page_info->page_offset + hdr_len; | |
963 | skb_shinfo(skb)->frags[0].size = curr_frag_len - hdr_len; | |
964 | skb->data_len = curr_frag_len - hdr_len; | |
965 | skb->tail += hdr_len; | |
966 | } | |
205859a2 | 967 | page_info->page = NULL; |
6b7c5b94 SP |
968 | |
969 | if (pktsize <= rx_frag_size) { | |
970 | BUG_ON(num_rcvd != 1); | |
76fbb429 | 971 | goto done; |
6b7c5b94 SP |
972 | } |
973 | ||
974 | /* More frags present for this completion */ | |
fa77406a | 975 | size = pktsize; |
bd46cb6c | 976 | for (i = 1, j = 0; i < num_rcvd; i++) { |
fa77406a | 977 | size -= curr_frag_len; |
6b7c5b94 | 978 | index_inc(&rxq_idx, rxq->len); |
3abcdeda | 979 | page_info = get_rx_page_info(adapter, rxo, rxq_idx); |
6b7c5b94 | 980 | |
fa77406a | 981 | curr_frag_len = min(size, rx_frag_size); |
6b7c5b94 | 982 | |
bd46cb6c AK |
983 | /* Coalesce all frags from the same physical page in one slot */ |
984 | if (page_info->page_offset == 0) { | |
985 | /* Fresh page */ | |
986 | j++; | |
987 | skb_shinfo(skb)->frags[j].page = page_info->page; | |
988 | skb_shinfo(skb)->frags[j].page_offset = | |
989 | page_info->page_offset; | |
990 | skb_shinfo(skb)->frags[j].size = 0; | |
991 | skb_shinfo(skb)->nr_frags++; | |
992 | } else { | |
993 | put_page(page_info->page); | |
994 | } | |
995 | ||
996 | skb_shinfo(skb)->frags[j].size += curr_frag_len; | |
6b7c5b94 SP |
997 | skb->len += curr_frag_len; |
998 | skb->data_len += curr_frag_len; | |
6b7c5b94 | 999 | |
205859a2 | 1000 | page_info->page = NULL; |
6b7c5b94 | 1001 | } |
bd46cb6c | 1002 | BUG_ON(j > MAX_SKB_FRAGS); |
6b7c5b94 | 1003 | |
76fbb429 | 1004 | done: |
3abcdeda | 1005 | be_rx_stats_update(rxo, pktsize, num_rcvd, pkt_type); |
6b7c5b94 SP |
1006 | } |
1007 | ||
5be93b9a | 1008 | /* Process the RX completion indicated by rxcp when GRO is disabled */ |
6b7c5b94 | 1009 | static void be_rx_compl_process(struct be_adapter *adapter, |
3abcdeda | 1010 | struct be_rx_obj *rxo, |
6b7c5b94 SP |
1011 | struct be_eth_rx_compl *rxcp) |
1012 | { | |
1013 | struct sk_buff *skb; | |
dcb9b564 | 1014 | u32 vlanf, vid; |
89420424 | 1015 | u16 num_rcvd; |
dcb9b564 | 1016 | u8 vtm; |
6b7c5b94 | 1017 | |
89420424 SP |
1018 | num_rcvd = AMAP_GET_BITS(struct amap_eth_rx_compl, numfrags, rxcp); |
1019 | /* Is it a flush compl that has no data */ | |
1020 | if (unlikely(num_rcvd == 0)) | |
1021 | return; | |
1022 | ||
89d71a66 | 1023 | skb = netdev_alloc_skb_ip_align(adapter->netdev, BE_HDR_LEN); |
a058a632 | 1024 | if (unlikely(!skb)) { |
6b7c5b94 SP |
1025 | if (net_ratelimit()) |
1026 | dev_warn(&adapter->pdev->dev, "skb alloc failed\n"); | |
3abcdeda | 1027 | be_rx_compl_discard(adapter, rxo, rxcp); |
6b7c5b94 SP |
1028 | return; |
1029 | } | |
1030 | ||
3abcdeda | 1031 | skb_fill_rx_data(adapter, rxo, skb, rxcp, num_rcvd); |
6b7c5b94 | 1032 | |
c6ce2f4b | 1033 | if (likely(adapter->rx_csum && csum_passed(rxcp))) |
728a9972 | 1034 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
c6ce2f4b SK |
1035 | else |
1036 | skb_checksum_none_assert(skb); | |
6b7c5b94 SP |
1037 | |
1038 | skb->truesize = skb->len + sizeof(struct sk_buff); | |
1039 | skb->protocol = eth_type_trans(skb, adapter->netdev); | |
6b7c5b94 | 1040 | |
a058a632 SP |
1041 | vlanf = AMAP_GET_BITS(struct amap_eth_rx_compl, vtp, rxcp); |
1042 | vtm = AMAP_GET_BITS(struct amap_eth_rx_compl, vtm, rxcp); | |
1043 | ||
1044 | /* vlanf could be wrongly set in some cards. | |
1045 | * ignore if vtm is not set */ | |
3486be29 | 1046 | if ((adapter->function_mode & 0x400) && !vtm) |
a058a632 SP |
1047 | vlanf = 0; |
1048 | ||
1049 | if (unlikely(vlanf)) { | |
82903e4b | 1050 | if (!adapter->vlan_grp || adapter->vlans_added == 0) { |
6b7c5b94 SP |
1051 | kfree_skb(skb); |
1052 | return; | |
1053 | } | |
1054 | vid = AMAP_GET_BITS(struct amap_eth_rx_compl, vlan_tag, rxcp); | |
fe6d2a38 SP |
1055 | if (!lancer_chip(adapter)) |
1056 | vid = swab16(vid); | |
6b7c5b94 SP |
1057 | vlan_hwaccel_receive_skb(skb, adapter->vlan_grp, vid); |
1058 | } else { | |
1059 | netif_receive_skb(skb); | |
1060 | } | |
6b7c5b94 SP |
1061 | } |
1062 | ||
5be93b9a AK |
1063 | /* Process the RX completion indicated by rxcp when GRO is enabled */ |
1064 | static void be_rx_compl_process_gro(struct be_adapter *adapter, | |
3abcdeda SP |
1065 | struct be_rx_obj *rxo, |
1066 | struct be_eth_rx_compl *rxcp) | |
6b7c5b94 SP |
1067 | { |
1068 | struct be_rx_page_info *page_info; | |
5be93b9a | 1069 | struct sk_buff *skb = NULL; |
3abcdeda SP |
1070 | struct be_queue_info *rxq = &rxo->q; |
1071 | struct be_eq_obj *eq_obj = &rxo->rx_eq; | |
6b7c5b94 | 1072 | u32 num_rcvd, pkt_size, remaining, vlanf, curr_frag_len; |
bd46cb6c | 1073 | u16 i, rxq_idx = 0, vid, j; |
dcb9b564 | 1074 | u8 vtm; |
1ef78abe | 1075 | u8 pkt_type; |
6b7c5b94 SP |
1076 | |
1077 | num_rcvd = AMAP_GET_BITS(struct amap_eth_rx_compl, numfrags, rxcp); | |
89420424 SP |
1078 | /* Is it a flush compl that has no data */ |
1079 | if (unlikely(num_rcvd == 0)) | |
1080 | return; | |
1081 | ||
6b7c5b94 SP |
1082 | pkt_size = AMAP_GET_BITS(struct amap_eth_rx_compl, pktsize, rxcp); |
1083 | vlanf = AMAP_GET_BITS(struct amap_eth_rx_compl, vtp, rxcp); | |
1084 | rxq_idx = AMAP_GET_BITS(struct amap_eth_rx_compl, fragndx, rxcp); | |
dcb9b564 | 1085 | vtm = AMAP_GET_BITS(struct amap_eth_rx_compl, vtm, rxcp); |
1ef78abe | 1086 | pkt_type = AMAP_GET_BITS(struct amap_eth_rx_compl, cast_enc, rxcp); |
dcb9b564 AK |
1087 | |
1088 | /* vlanf could be wrongly set in some cards. | |
1089 | * ignore if vtm is not set */ | |
3486be29 | 1090 | if ((adapter->function_mode & 0x400) && !vtm) |
dcb9b564 | 1091 | vlanf = 0; |
6b7c5b94 | 1092 | |
5be93b9a AK |
1093 | skb = napi_get_frags(&eq_obj->napi); |
1094 | if (!skb) { | |
3abcdeda | 1095 | be_rx_compl_discard(adapter, rxo, rxcp); |
5be93b9a AK |
1096 | return; |
1097 | } | |
1098 | ||
6b7c5b94 | 1099 | remaining = pkt_size; |
bd46cb6c | 1100 | for (i = 0, j = -1; i < num_rcvd; i++) { |
3abcdeda | 1101 | page_info = get_rx_page_info(adapter, rxo, rxq_idx); |
6b7c5b94 SP |
1102 | |
1103 | curr_frag_len = min(remaining, rx_frag_size); | |
1104 | ||
bd46cb6c AK |
1105 | /* Coalesce all frags from the same physical page in one slot */ |
1106 | if (i == 0 || page_info->page_offset == 0) { | |
1107 | /* First frag or Fresh page */ | |
1108 | j++; | |
5be93b9a AK |
1109 | skb_shinfo(skb)->frags[j].page = page_info->page; |
1110 | skb_shinfo(skb)->frags[j].page_offset = | |
1111 | page_info->page_offset; | |
1112 | skb_shinfo(skb)->frags[j].size = 0; | |
bd46cb6c AK |
1113 | } else { |
1114 | put_page(page_info->page); | |
1115 | } | |
5be93b9a | 1116 | skb_shinfo(skb)->frags[j].size += curr_frag_len; |
6b7c5b94 | 1117 | |
bd46cb6c | 1118 | remaining -= curr_frag_len; |
6b7c5b94 | 1119 | index_inc(&rxq_idx, rxq->len); |
6b7c5b94 SP |
1120 | memset(page_info, 0, sizeof(*page_info)); |
1121 | } | |
bd46cb6c | 1122 | BUG_ON(j > MAX_SKB_FRAGS); |
6b7c5b94 | 1123 | |
5be93b9a AK |
1124 | skb_shinfo(skb)->nr_frags = j + 1; |
1125 | skb->len = pkt_size; | |
1126 | skb->data_len = pkt_size; | |
1127 | skb->truesize += pkt_size; | |
1128 | skb->ip_summed = CHECKSUM_UNNECESSARY; | |
1129 | ||
6b7c5b94 | 1130 | if (likely(!vlanf)) { |
5be93b9a | 1131 | napi_gro_frags(&eq_obj->napi); |
6b7c5b94 SP |
1132 | } else { |
1133 | vid = AMAP_GET_BITS(struct amap_eth_rx_compl, vlan_tag, rxcp); | |
fe6d2a38 SP |
1134 | if (!lancer_chip(adapter)) |
1135 | vid = swab16(vid); | |
6b7c5b94 | 1136 | |
82903e4b | 1137 | if (!adapter->vlan_grp || adapter->vlans_added == 0) |
6b7c5b94 SP |
1138 | return; |
1139 | ||
5be93b9a | 1140 | vlan_gro_frags(&eq_obj->napi, adapter->vlan_grp, vid); |
6b7c5b94 SP |
1141 | } |
1142 | ||
3abcdeda | 1143 | be_rx_stats_update(rxo, pkt_size, num_rcvd, pkt_type); |
6b7c5b94 SP |
1144 | } |
1145 | ||
3abcdeda | 1146 | static struct be_eth_rx_compl *be_rx_compl_get(struct be_rx_obj *rxo) |
6b7c5b94 | 1147 | { |
3abcdeda | 1148 | struct be_eth_rx_compl *rxcp = queue_tail_node(&rxo->cq); |
6b7c5b94 SP |
1149 | |
1150 | if (rxcp->dw[offsetof(struct amap_eth_rx_compl, valid) / 32] == 0) | |
1151 | return NULL; | |
1152 | ||
f3eb62d2 | 1153 | rmb(); |
6b7c5b94 SP |
1154 | be_dws_le_to_cpu(rxcp, sizeof(*rxcp)); |
1155 | ||
3abcdeda | 1156 | queue_tail_inc(&rxo->cq); |
6b7c5b94 SP |
1157 | return rxcp; |
1158 | } | |
1159 | ||
a7a0ef31 SP |
1160 | /* To reset the valid bit, we need to reset the whole word as |
1161 | * when walking the queue the valid entries are little-endian | |
1162 | * and invalid entries are host endian | |
1163 | */ | |
1164 | static inline void be_rx_compl_reset(struct be_eth_rx_compl *rxcp) | |
1165 | { | |
1166 | rxcp->dw[offsetof(struct amap_eth_rx_compl, valid) / 32] = 0; | |
1167 | } | |
1168 | ||
6b7c5b94 SP |
1169 | static inline struct page *be_alloc_pages(u32 size) |
1170 | { | |
1171 | gfp_t alloc_flags = GFP_ATOMIC; | |
1172 | u32 order = get_order(size); | |
1173 | if (order > 0) | |
1174 | alloc_flags |= __GFP_COMP; | |
1175 | return alloc_pages(alloc_flags, order); | |
1176 | } | |
1177 | ||
1178 | /* | |
1179 | * Allocate a page, split it to fragments of size rx_frag_size and post as | |
1180 | * receive buffers to BE | |
1181 | */ | |
3abcdeda | 1182 | static void be_post_rx_frags(struct be_rx_obj *rxo) |
6b7c5b94 | 1183 | { |
3abcdeda SP |
1184 | struct be_adapter *adapter = rxo->adapter; |
1185 | struct be_rx_page_info *page_info_tbl = rxo->page_info_tbl; | |
26d92f92 | 1186 | struct be_rx_page_info *page_info = NULL, *prev_page_info = NULL; |
3abcdeda | 1187 | struct be_queue_info *rxq = &rxo->q; |
6b7c5b94 SP |
1188 | struct page *pagep = NULL; |
1189 | struct be_eth_rx_d *rxd; | |
1190 | u64 page_dmaaddr = 0, frag_dmaaddr; | |
1191 | u32 posted, page_offset = 0; | |
1192 | ||
3abcdeda | 1193 | page_info = &rxo->page_info_tbl[rxq->head]; |
6b7c5b94 SP |
1194 | for (posted = 0; posted < MAX_RX_POST && !page_info->page; posted++) { |
1195 | if (!pagep) { | |
1196 | pagep = be_alloc_pages(adapter->big_page_size); | |
1197 | if (unlikely(!pagep)) { | |
3abcdeda | 1198 | rxo->stats.rx_post_fail++; |
6b7c5b94 SP |
1199 | break; |
1200 | } | |
1201 | page_dmaaddr = pci_map_page(adapter->pdev, pagep, 0, | |
1202 | adapter->big_page_size, | |
1203 | PCI_DMA_FROMDEVICE); | |
1204 | page_info->page_offset = 0; | |
1205 | } else { | |
1206 | get_page(pagep); | |
1207 | page_info->page_offset = page_offset + rx_frag_size; | |
1208 | } | |
1209 | page_offset = page_info->page_offset; | |
1210 | page_info->page = pagep; | |
fac6da5b | 1211 | dma_unmap_addr_set(page_info, bus, page_dmaaddr); |
6b7c5b94 SP |
1212 | frag_dmaaddr = page_dmaaddr + page_info->page_offset; |
1213 | ||
1214 | rxd = queue_head_node(rxq); | |
1215 | rxd->fragpa_lo = cpu_to_le32(frag_dmaaddr & 0xFFFFFFFF); | |
1216 | rxd->fragpa_hi = cpu_to_le32(upper_32_bits(frag_dmaaddr)); | |
6b7c5b94 SP |
1217 | |
1218 | /* Any space left in the current big page for another frag? */ | |
1219 | if ((page_offset + rx_frag_size + rx_frag_size) > | |
1220 | adapter->big_page_size) { | |
1221 | pagep = NULL; | |
1222 | page_info->last_page_user = true; | |
1223 | } | |
26d92f92 SP |
1224 | |
1225 | prev_page_info = page_info; | |
1226 | queue_head_inc(rxq); | |
6b7c5b94 SP |
1227 | page_info = &page_info_tbl[rxq->head]; |
1228 | } | |
1229 | if (pagep) | |
26d92f92 | 1230 | prev_page_info->last_page_user = true; |
6b7c5b94 SP |
1231 | |
1232 | if (posted) { | |
6b7c5b94 | 1233 | atomic_add(posted, &rxq->used); |
8788fdc2 | 1234 | be_rxq_notify(adapter, rxq->id, posted); |
ea1dae11 SP |
1235 | } else if (atomic_read(&rxq->used) == 0) { |
1236 | /* Let be_worker replenish when memory is available */ | |
3abcdeda | 1237 | rxo->rx_post_starved = true; |
6b7c5b94 | 1238 | } |
6b7c5b94 SP |
1239 | } |
1240 | ||
5fb379ee | 1241 | static struct be_eth_tx_compl *be_tx_compl_get(struct be_queue_info *tx_cq) |
6b7c5b94 | 1242 | { |
6b7c5b94 SP |
1243 | struct be_eth_tx_compl *txcp = queue_tail_node(tx_cq); |
1244 | ||
1245 | if (txcp->dw[offsetof(struct amap_eth_tx_compl, valid) / 32] == 0) | |
1246 | return NULL; | |
1247 | ||
f3eb62d2 | 1248 | rmb(); |
6b7c5b94 SP |
1249 | be_dws_le_to_cpu(txcp, sizeof(*txcp)); |
1250 | ||
1251 | txcp->dw[offsetof(struct amap_eth_tx_compl, valid) / 32] = 0; | |
1252 | ||
1253 | queue_tail_inc(tx_cq); | |
1254 | return txcp; | |
1255 | } | |
1256 | ||
1257 | static void be_tx_compl_process(struct be_adapter *adapter, u16 last_index) | |
1258 | { | |
1259 | struct be_queue_info *txq = &adapter->tx_obj.q; | |
a73b796e | 1260 | struct be_eth_wrb *wrb; |
6b7c5b94 SP |
1261 | struct sk_buff **sent_skbs = adapter->tx_obj.sent_skb_list; |
1262 | struct sk_buff *sent_skb; | |
ec43b1a6 SP |
1263 | u16 cur_index, num_wrbs = 1; /* account for hdr wrb */ |
1264 | bool unmap_skb_hdr = true; | |
6b7c5b94 | 1265 | |
ec43b1a6 | 1266 | sent_skb = sent_skbs[txq->tail]; |
6b7c5b94 | 1267 | BUG_ON(!sent_skb); |
ec43b1a6 SP |
1268 | sent_skbs[txq->tail] = NULL; |
1269 | ||
1270 | /* skip header wrb */ | |
a73b796e | 1271 | queue_tail_inc(txq); |
6b7c5b94 | 1272 | |
ec43b1a6 | 1273 | do { |
6b7c5b94 | 1274 | cur_index = txq->tail; |
a73b796e | 1275 | wrb = queue_tail_node(txq); |
ec43b1a6 | 1276 | unmap_tx_frag(adapter->pdev, wrb, (unmap_skb_hdr && |
e743d313 | 1277 | skb_headlen(sent_skb))); |
ec43b1a6 SP |
1278 | unmap_skb_hdr = false; |
1279 | ||
6b7c5b94 SP |
1280 | num_wrbs++; |
1281 | queue_tail_inc(txq); | |
ec43b1a6 | 1282 | } while (cur_index != last_index); |
6b7c5b94 SP |
1283 | |
1284 | atomic_sub(num_wrbs, &txq->used); | |
a73b796e | 1285 | |
6b7c5b94 SP |
1286 | kfree_skb(sent_skb); |
1287 | } | |
1288 | ||
859b1e4e SP |
1289 | static inline struct be_eq_entry *event_get(struct be_eq_obj *eq_obj) |
1290 | { | |
1291 | struct be_eq_entry *eqe = queue_tail_node(&eq_obj->q); | |
1292 | ||
1293 | if (!eqe->evt) | |
1294 | return NULL; | |
1295 | ||
f3eb62d2 | 1296 | rmb(); |
859b1e4e SP |
1297 | eqe->evt = le32_to_cpu(eqe->evt); |
1298 | queue_tail_inc(&eq_obj->q); | |
1299 | return eqe; | |
1300 | } | |
1301 | ||
1302 | static int event_handle(struct be_adapter *adapter, | |
1303 | struct be_eq_obj *eq_obj) | |
1304 | { | |
1305 | struct be_eq_entry *eqe; | |
1306 | u16 num = 0; | |
1307 | ||
1308 | while ((eqe = event_get(eq_obj)) != NULL) { | |
1309 | eqe->evt = 0; | |
1310 | num++; | |
1311 | } | |
1312 | ||
1313 | /* Deal with any spurious interrupts that come | |
1314 | * without events | |
1315 | */ | |
1316 | be_eq_notify(adapter, eq_obj->q.id, true, true, num); | |
1317 | if (num) | |
1318 | napi_schedule(&eq_obj->napi); | |
1319 | ||
1320 | return num; | |
1321 | } | |
1322 | ||
1323 | /* Just read and notify events without processing them. | |
1324 | * Used at the time of destroying event queues */ | |
1325 | static void be_eq_clean(struct be_adapter *adapter, | |
1326 | struct be_eq_obj *eq_obj) | |
1327 | { | |
1328 | struct be_eq_entry *eqe; | |
1329 | u16 num = 0; | |
1330 | ||
1331 | while ((eqe = event_get(eq_obj)) != NULL) { | |
1332 | eqe->evt = 0; | |
1333 | num++; | |
1334 | } | |
1335 | ||
1336 | if (num) | |
1337 | be_eq_notify(adapter, eq_obj->q.id, false, true, num); | |
1338 | } | |
1339 | ||
3abcdeda | 1340 | static void be_rx_q_clean(struct be_adapter *adapter, struct be_rx_obj *rxo) |
6b7c5b94 SP |
1341 | { |
1342 | struct be_rx_page_info *page_info; | |
3abcdeda SP |
1343 | struct be_queue_info *rxq = &rxo->q; |
1344 | struct be_queue_info *rx_cq = &rxo->cq; | |
6b7c5b94 SP |
1345 | struct be_eth_rx_compl *rxcp; |
1346 | u16 tail; | |
1347 | ||
1348 | /* First cleanup pending rx completions */ | |
3abcdeda SP |
1349 | while ((rxcp = be_rx_compl_get(rxo)) != NULL) { |
1350 | be_rx_compl_discard(adapter, rxo, rxcp); | |
a7a0ef31 | 1351 | be_rx_compl_reset(rxcp); |
8788fdc2 | 1352 | be_cq_notify(adapter, rx_cq->id, true, 1); |
6b7c5b94 SP |
1353 | } |
1354 | ||
1355 | /* Then free posted rx buffer that were not used */ | |
1356 | tail = (rxq->head + rxq->len - atomic_read(&rxq->used)) % rxq->len; | |
cdab23b7 | 1357 | for (; atomic_read(&rxq->used) > 0; index_inc(&tail, rxq->len)) { |
3abcdeda | 1358 | page_info = get_rx_page_info(adapter, rxo, tail); |
6b7c5b94 SP |
1359 | put_page(page_info->page); |
1360 | memset(page_info, 0, sizeof(*page_info)); | |
1361 | } | |
1362 | BUG_ON(atomic_read(&rxq->used)); | |
1363 | } | |
1364 | ||
a8e9179a | 1365 | static void be_tx_compl_clean(struct be_adapter *adapter) |
6b7c5b94 | 1366 | { |
a8e9179a | 1367 | struct be_queue_info *tx_cq = &adapter->tx_obj.cq; |
6b7c5b94 | 1368 | struct be_queue_info *txq = &adapter->tx_obj.q; |
a8e9179a SP |
1369 | struct be_eth_tx_compl *txcp; |
1370 | u16 end_idx, cmpl = 0, timeo = 0; | |
b03388d6 SP |
1371 | struct sk_buff **sent_skbs = adapter->tx_obj.sent_skb_list; |
1372 | struct sk_buff *sent_skb; | |
1373 | bool dummy_wrb; | |
a8e9179a SP |
1374 | |
1375 | /* Wait for a max of 200ms for all the tx-completions to arrive. */ | |
1376 | do { | |
1377 | while ((txcp = be_tx_compl_get(tx_cq))) { | |
1378 | end_idx = AMAP_GET_BITS(struct amap_eth_tx_compl, | |
1379 | wrb_index, txcp); | |
1380 | be_tx_compl_process(adapter, end_idx); | |
1381 | cmpl++; | |
1382 | } | |
1383 | if (cmpl) { | |
1384 | be_cq_notify(adapter, tx_cq->id, false, cmpl); | |
1385 | cmpl = 0; | |
1386 | } | |
1387 | ||
1388 | if (atomic_read(&txq->used) == 0 || ++timeo > 200) | |
1389 | break; | |
1390 | ||
1391 | mdelay(1); | |
1392 | } while (true); | |
1393 | ||
1394 | if (atomic_read(&txq->used)) | |
1395 | dev_err(&adapter->pdev->dev, "%d pending tx-completions\n", | |
1396 | atomic_read(&txq->used)); | |
b03388d6 SP |
1397 | |
1398 | /* free posted tx for which compls will never arrive */ | |
1399 | while (atomic_read(&txq->used)) { | |
1400 | sent_skb = sent_skbs[txq->tail]; | |
1401 | end_idx = txq->tail; | |
1402 | index_adv(&end_idx, | |
fe6d2a38 SP |
1403 | wrb_cnt_for_skb(adapter, sent_skb, &dummy_wrb) - 1, |
1404 | txq->len); | |
b03388d6 SP |
1405 | be_tx_compl_process(adapter, end_idx); |
1406 | } | |
6b7c5b94 SP |
1407 | } |
1408 | ||
5fb379ee SP |
1409 | static void be_mcc_queues_destroy(struct be_adapter *adapter) |
1410 | { | |
1411 | struct be_queue_info *q; | |
5fb379ee | 1412 | |
8788fdc2 | 1413 | q = &adapter->mcc_obj.q; |
5fb379ee | 1414 | if (q->created) |
8788fdc2 | 1415 | be_cmd_q_destroy(adapter, q, QTYPE_MCCQ); |
5fb379ee SP |
1416 | be_queue_free(adapter, q); |
1417 | ||
8788fdc2 | 1418 | q = &adapter->mcc_obj.cq; |
5fb379ee | 1419 | if (q->created) |
8788fdc2 | 1420 | be_cmd_q_destroy(adapter, q, QTYPE_CQ); |
5fb379ee SP |
1421 | be_queue_free(adapter, q); |
1422 | } | |
1423 | ||
1424 | /* Must be called only after TX qs are created as MCC shares TX EQ */ | |
1425 | static int be_mcc_queues_create(struct be_adapter *adapter) | |
1426 | { | |
1427 | struct be_queue_info *q, *cq; | |
5fb379ee SP |
1428 | |
1429 | /* Alloc MCC compl queue */ | |
8788fdc2 | 1430 | cq = &adapter->mcc_obj.cq; |
5fb379ee | 1431 | if (be_queue_alloc(adapter, cq, MCC_CQ_LEN, |
efd2e40a | 1432 | sizeof(struct be_mcc_compl))) |
5fb379ee SP |
1433 | goto err; |
1434 | ||
1435 | /* Ask BE to create MCC compl queue; share TX's eq */ | |
8788fdc2 | 1436 | if (be_cmd_cq_create(adapter, cq, &adapter->tx_eq.q, false, true, 0)) |
5fb379ee SP |
1437 | goto mcc_cq_free; |
1438 | ||
1439 | /* Alloc MCC queue */ | |
8788fdc2 | 1440 | q = &adapter->mcc_obj.q; |
5fb379ee SP |
1441 | if (be_queue_alloc(adapter, q, MCC_Q_LEN, sizeof(struct be_mcc_wrb))) |
1442 | goto mcc_cq_destroy; | |
1443 | ||
1444 | /* Ask BE to create MCC queue */ | |
8788fdc2 | 1445 | if (be_cmd_mccq_create(adapter, q, cq)) |
5fb379ee SP |
1446 | goto mcc_q_free; |
1447 | ||
1448 | return 0; | |
1449 | ||
1450 | mcc_q_free: | |
1451 | be_queue_free(adapter, q); | |
1452 | mcc_cq_destroy: | |
8788fdc2 | 1453 | be_cmd_q_destroy(adapter, cq, QTYPE_CQ); |
5fb379ee SP |
1454 | mcc_cq_free: |
1455 | be_queue_free(adapter, cq); | |
1456 | err: | |
1457 | return -1; | |
1458 | } | |
1459 | ||
6b7c5b94 SP |
1460 | static void be_tx_queues_destroy(struct be_adapter *adapter) |
1461 | { | |
1462 | struct be_queue_info *q; | |
1463 | ||
1464 | q = &adapter->tx_obj.q; | |
a8e9179a | 1465 | if (q->created) |
8788fdc2 | 1466 | be_cmd_q_destroy(adapter, q, QTYPE_TXQ); |
6b7c5b94 SP |
1467 | be_queue_free(adapter, q); |
1468 | ||
1469 | q = &adapter->tx_obj.cq; | |
1470 | if (q->created) | |
8788fdc2 | 1471 | be_cmd_q_destroy(adapter, q, QTYPE_CQ); |
6b7c5b94 SP |
1472 | be_queue_free(adapter, q); |
1473 | ||
859b1e4e SP |
1474 | /* Clear any residual events */ |
1475 | be_eq_clean(adapter, &adapter->tx_eq); | |
1476 | ||
6b7c5b94 SP |
1477 | q = &adapter->tx_eq.q; |
1478 | if (q->created) | |
8788fdc2 | 1479 | be_cmd_q_destroy(adapter, q, QTYPE_EQ); |
6b7c5b94 SP |
1480 | be_queue_free(adapter, q); |
1481 | } | |
1482 | ||
1483 | static int be_tx_queues_create(struct be_adapter *adapter) | |
1484 | { | |
1485 | struct be_queue_info *eq, *q, *cq; | |
1486 | ||
1487 | adapter->tx_eq.max_eqd = 0; | |
1488 | adapter->tx_eq.min_eqd = 0; | |
1489 | adapter->tx_eq.cur_eqd = 96; | |
1490 | adapter->tx_eq.enable_aic = false; | |
1491 | /* Alloc Tx Event queue */ | |
1492 | eq = &adapter->tx_eq.q; | |
1493 | if (be_queue_alloc(adapter, eq, EVNT_Q_LEN, sizeof(struct be_eq_entry))) | |
1494 | return -1; | |
1495 | ||
1496 | /* Ask BE to create Tx Event queue */ | |
8788fdc2 | 1497 | if (be_cmd_eq_create(adapter, eq, adapter->tx_eq.cur_eqd)) |
6b7c5b94 | 1498 | goto tx_eq_free; |
fe6d2a38 SP |
1499 | |
1500 | adapter->tx_eq.msix_vec_idx = adapter->msix_vec_next_idx++; | |
1501 | ||
ba343c77 | 1502 | |
6b7c5b94 SP |
1503 | /* Alloc TX eth compl queue */ |
1504 | cq = &adapter->tx_obj.cq; | |
1505 | if (be_queue_alloc(adapter, cq, TX_CQ_LEN, | |
1506 | sizeof(struct be_eth_tx_compl))) | |
1507 | goto tx_eq_destroy; | |
1508 | ||
1509 | /* Ask BE to create Tx eth compl queue */ | |
8788fdc2 | 1510 | if (be_cmd_cq_create(adapter, cq, eq, false, false, 3)) |
6b7c5b94 SP |
1511 | goto tx_cq_free; |
1512 | ||
1513 | /* Alloc TX eth queue */ | |
1514 | q = &adapter->tx_obj.q; | |
1515 | if (be_queue_alloc(adapter, q, TX_Q_LEN, sizeof(struct be_eth_wrb))) | |
1516 | goto tx_cq_destroy; | |
1517 | ||
1518 | /* Ask BE to create Tx eth queue */ | |
8788fdc2 | 1519 | if (be_cmd_txq_create(adapter, q, cq)) |
6b7c5b94 SP |
1520 | goto tx_q_free; |
1521 | return 0; | |
1522 | ||
1523 | tx_q_free: | |
1524 | be_queue_free(adapter, q); | |
1525 | tx_cq_destroy: | |
8788fdc2 | 1526 | be_cmd_q_destroy(adapter, cq, QTYPE_CQ); |
6b7c5b94 SP |
1527 | tx_cq_free: |
1528 | be_queue_free(adapter, cq); | |
1529 | tx_eq_destroy: | |
8788fdc2 | 1530 | be_cmd_q_destroy(adapter, eq, QTYPE_EQ); |
6b7c5b94 SP |
1531 | tx_eq_free: |
1532 | be_queue_free(adapter, eq); | |
1533 | return -1; | |
1534 | } | |
1535 | ||
1536 | static void be_rx_queues_destroy(struct be_adapter *adapter) | |
1537 | { | |
1538 | struct be_queue_info *q; | |
3abcdeda SP |
1539 | struct be_rx_obj *rxo; |
1540 | int i; | |
1541 | ||
1542 | for_all_rx_queues(adapter, rxo, i) { | |
1543 | q = &rxo->q; | |
1544 | if (q->created) { | |
1545 | be_cmd_q_destroy(adapter, q, QTYPE_RXQ); | |
1546 | /* After the rxq is invalidated, wait for a grace time | |
1547 | * of 1ms for all dma to end and the flush compl to | |
1548 | * arrive | |
1549 | */ | |
1550 | mdelay(1); | |
1551 | be_rx_q_clean(adapter, rxo); | |
1552 | } | |
1553 | be_queue_free(adapter, q); | |
1554 | ||
1555 | q = &rxo->cq; | |
1556 | if (q->created) | |
1557 | be_cmd_q_destroy(adapter, q, QTYPE_CQ); | |
1558 | be_queue_free(adapter, q); | |
1559 | ||
1560 | /* Clear any residual events */ | |
1561 | q = &rxo->rx_eq.q; | |
1562 | if (q->created) { | |
1563 | be_eq_clean(adapter, &rxo->rx_eq); | |
1564 | be_cmd_q_destroy(adapter, q, QTYPE_EQ); | |
1565 | } | |
1566 | be_queue_free(adapter, q); | |
6b7c5b94 | 1567 | } |
6b7c5b94 SP |
1568 | } |
1569 | ||
1570 | static int be_rx_queues_create(struct be_adapter *adapter) | |
1571 | { | |
1572 | struct be_queue_info *eq, *q, *cq; | |
3abcdeda SP |
1573 | struct be_rx_obj *rxo; |
1574 | int rc, i; | |
6b7c5b94 | 1575 | |
6b7c5b94 | 1576 | adapter->big_page_size = (1 << get_order(rx_frag_size)) * PAGE_SIZE; |
3abcdeda SP |
1577 | for_all_rx_queues(adapter, rxo, i) { |
1578 | rxo->adapter = adapter; | |
1579 | rxo->rx_eq.max_eqd = BE_MAX_EQD; | |
1580 | rxo->rx_eq.enable_aic = true; | |
1581 | ||
1582 | /* EQ */ | |
1583 | eq = &rxo->rx_eq.q; | |
1584 | rc = be_queue_alloc(adapter, eq, EVNT_Q_LEN, | |
1585 | sizeof(struct be_eq_entry)); | |
1586 | if (rc) | |
1587 | goto err; | |
1588 | ||
1589 | rc = be_cmd_eq_create(adapter, eq, rxo->rx_eq.cur_eqd); | |
1590 | if (rc) | |
1591 | goto err; | |
1592 | ||
fe6d2a38 SP |
1593 | rxo->rx_eq.msix_vec_idx = adapter->msix_vec_next_idx++; |
1594 | ||
3abcdeda SP |
1595 | /* CQ */ |
1596 | cq = &rxo->cq; | |
1597 | rc = be_queue_alloc(adapter, cq, RX_CQ_LEN, | |
1598 | sizeof(struct be_eth_rx_compl)); | |
1599 | if (rc) | |
1600 | goto err; | |
1601 | ||
1602 | rc = be_cmd_cq_create(adapter, cq, eq, false, false, 3); | |
1603 | if (rc) | |
1604 | goto err; | |
3abcdeda SP |
1605 | /* Rx Q */ |
1606 | q = &rxo->q; | |
1607 | rc = be_queue_alloc(adapter, q, RX_Q_LEN, | |
1608 | sizeof(struct be_eth_rx_d)); | |
1609 | if (rc) | |
1610 | goto err; | |
1611 | ||
1612 | rc = be_cmd_rxq_create(adapter, q, cq->id, rx_frag_size, | |
1613 | BE_MAX_JUMBO_FRAME_SIZE, adapter->if_handle, | |
1614 | (i > 0) ? 1 : 0/* rss enable */, &rxo->rss_id); | |
1615 | if (rc) | |
1616 | goto err; | |
1617 | } | |
1618 | ||
1619 | if (be_multi_rxq(adapter)) { | |
1620 | u8 rsstable[MAX_RSS_QS]; | |
1621 | ||
1622 | for_all_rss_queues(adapter, rxo, i) | |
1623 | rsstable[i] = rxo->rss_id; | |
1624 | ||
1625 | rc = be_cmd_rss_config(adapter, rsstable, | |
1626 | adapter->num_rx_qs - 1); | |
1627 | if (rc) | |
1628 | goto err; | |
1629 | } | |
6b7c5b94 SP |
1630 | |
1631 | return 0; | |
3abcdeda SP |
1632 | err: |
1633 | be_rx_queues_destroy(adapter); | |
1634 | return -1; | |
6b7c5b94 | 1635 | } |
6b7c5b94 | 1636 | |
fe6d2a38 | 1637 | static bool event_peek(struct be_eq_obj *eq_obj) |
b628bde2 | 1638 | { |
fe6d2a38 SP |
1639 | struct be_eq_entry *eqe = queue_tail_node(&eq_obj->q); |
1640 | if (!eqe->evt) | |
1641 | return false; | |
1642 | else | |
1643 | return true; | |
b628bde2 SP |
1644 | } |
1645 | ||
6b7c5b94 SP |
1646 | static irqreturn_t be_intx(int irq, void *dev) |
1647 | { | |
1648 | struct be_adapter *adapter = dev; | |
3abcdeda | 1649 | struct be_rx_obj *rxo; |
fe6d2a38 | 1650 | int isr, i, tx = 0 , rx = 0; |
6b7c5b94 | 1651 | |
fe6d2a38 SP |
1652 | if (lancer_chip(adapter)) { |
1653 | if (event_peek(&adapter->tx_eq)) | |
1654 | tx = event_handle(adapter, &adapter->tx_eq); | |
1655 | for_all_rx_queues(adapter, rxo, i) { | |
1656 | if (event_peek(&rxo->rx_eq)) | |
1657 | rx |= event_handle(adapter, &rxo->rx_eq); | |
1658 | } | |
6b7c5b94 | 1659 | |
fe6d2a38 SP |
1660 | if (!(tx || rx)) |
1661 | return IRQ_NONE; | |
3abcdeda | 1662 | |
fe6d2a38 SP |
1663 | } else { |
1664 | isr = ioread32(adapter->csr + CEV_ISR0_OFFSET + | |
1665 | (adapter->tx_eq.q.id / 8) * CEV_ISR_SIZE); | |
1666 | if (!isr) | |
1667 | return IRQ_NONE; | |
1668 | ||
1669 | if ((1 << adapter->tx_eq.msix_vec_idx & isr)) | |
1670 | event_handle(adapter, &adapter->tx_eq); | |
1671 | ||
1672 | for_all_rx_queues(adapter, rxo, i) { | |
1673 | if ((1 << rxo->rx_eq.msix_vec_idx & isr)) | |
1674 | event_handle(adapter, &rxo->rx_eq); | |
1675 | } | |
3abcdeda | 1676 | } |
c001c213 | 1677 | |
8788fdc2 | 1678 | return IRQ_HANDLED; |
6b7c5b94 SP |
1679 | } |
1680 | ||
1681 | static irqreturn_t be_msix_rx(int irq, void *dev) | |
1682 | { | |
3abcdeda SP |
1683 | struct be_rx_obj *rxo = dev; |
1684 | struct be_adapter *adapter = rxo->adapter; | |
6b7c5b94 | 1685 | |
3abcdeda | 1686 | event_handle(adapter, &rxo->rx_eq); |
6b7c5b94 SP |
1687 | |
1688 | return IRQ_HANDLED; | |
1689 | } | |
1690 | ||
5fb379ee | 1691 | static irqreturn_t be_msix_tx_mcc(int irq, void *dev) |
6b7c5b94 SP |
1692 | { |
1693 | struct be_adapter *adapter = dev; | |
1694 | ||
8788fdc2 | 1695 | event_handle(adapter, &adapter->tx_eq); |
6b7c5b94 SP |
1696 | |
1697 | return IRQ_HANDLED; | |
1698 | } | |
1699 | ||
3abcdeda | 1700 | static inline bool do_gro(struct be_adapter *adapter, struct be_rx_obj *rxo, |
6b7c5b94 SP |
1701 | struct be_eth_rx_compl *rxcp) |
1702 | { | |
1703 | int err = AMAP_GET_BITS(struct amap_eth_rx_compl, err, rxcp); | |
1704 | int tcp_frame = AMAP_GET_BITS(struct amap_eth_rx_compl, tcpf, rxcp); | |
1705 | ||
1706 | if (err) | |
3abcdeda | 1707 | rxo->stats.rxcp_err++; |
6b7c5b94 | 1708 | |
5be93b9a | 1709 | return (tcp_frame && !err) ? true : false; |
6b7c5b94 SP |
1710 | } |
1711 | ||
49b05221 | 1712 | static int be_poll_rx(struct napi_struct *napi, int budget) |
6b7c5b94 SP |
1713 | { |
1714 | struct be_eq_obj *rx_eq = container_of(napi, struct be_eq_obj, napi); | |
3abcdeda SP |
1715 | struct be_rx_obj *rxo = container_of(rx_eq, struct be_rx_obj, rx_eq); |
1716 | struct be_adapter *adapter = rxo->adapter; | |
1717 | struct be_queue_info *rx_cq = &rxo->cq; | |
6b7c5b94 SP |
1718 | struct be_eth_rx_compl *rxcp; |
1719 | u32 work_done; | |
1720 | ||
3abcdeda | 1721 | rxo->stats.rx_polls++; |
6b7c5b94 | 1722 | for (work_done = 0; work_done < budget; work_done++) { |
3abcdeda | 1723 | rxcp = be_rx_compl_get(rxo); |
6b7c5b94 SP |
1724 | if (!rxcp) |
1725 | break; | |
1726 | ||
3abcdeda SP |
1727 | if (do_gro(adapter, rxo, rxcp)) |
1728 | be_rx_compl_process_gro(adapter, rxo, rxcp); | |
6b7c5b94 | 1729 | else |
3abcdeda | 1730 | be_rx_compl_process(adapter, rxo, rxcp); |
a7a0ef31 SP |
1731 | |
1732 | be_rx_compl_reset(rxcp); | |
6b7c5b94 SP |
1733 | } |
1734 | ||
6b7c5b94 | 1735 | /* Refill the queue */ |
3abcdeda SP |
1736 | if (atomic_read(&rxo->q.used) < RX_FRAGS_REFILL_WM) |
1737 | be_post_rx_frags(rxo); | |
6b7c5b94 SP |
1738 | |
1739 | /* All consumed */ | |
1740 | if (work_done < budget) { | |
1741 | napi_complete(napi); | |
8788fdc2 | 1742 | be_cq_notify(adapter, rx_cq->id, true, work_done); |
6b7c5b94 SP |
1743 | } else { |
1744 | /* More to be consumed; continue with interrupts disabled */ | |
8788fdc2 | 1745 | be_cq_notify(adapter, rx_cq->id, false, work_done); |
6b7c5b94 SP |
1746 | } |
1747 | return work_done; | |
1748 | } | |
1749 | ||
f31e50a8 SP |
1750 | /* As TX and MCC share the same EQ check for both TX and MCC completions. |
1751 | * For TX/MCC we don't honour budget; consume everything | |
1752 | */ | |
1753 | static int be_poll_tx_mcc(struct napi_struct *napi, int budget) | |
6b7c5b94 | 1754 | { |
f31e50a8 SP |
1755 | struct be_eq_obj *tx_eq = container_of(napi, struct be_eq_obj, napi); |
1756 | struct be_adapter *adapter = | |
1757 | container_of(tx_eq, struct be_adapter, tx_eq); | |
5fb379ee SP |
1758 | struct be_queue_info *txq = &adapter->tx_obj.q; |
1759 | struct be_queue_info *tx_cq = &adapter->tx_obj.cq; | |
6b7c5b94 | 1760 | struct be_eth_tx_compl *txcp; |
f31e50a8 | 1761 | int tx_compl = 0, mcc_compl, status = 0; |
6b7c5b94 SP |
1762 | u16 end_idx; |
1763 | ||
5fb379ee | 1764 | while ((txcp = be_tx_compl_get(tx_cq))) { |
6b7c5b94 | 1765 | end_idx = AMAP_GET_BITS(struct amap_eth_tx_compl, |
f31e50a8 | 1766 | wrb_index, txcp); |
6b7c5b94 | 1767 | be_tx_compl_process(adapter, end_idx); |
f31e50a8 | 1768 | tx_compl++; |
6b7c5b94 SP |
1769 | } |
1770 | ||
f31e50a8 SP |
1771 | mcc_compl = be_process_mcc(adapter, &status); |
1772 | ||
1773 | napi_complete(napi); | |
1774 | ||
1775 | if (mcc_compl) { | |
1776 | struct be_mcc_obj *mcc_obj = &adapter->mcc_obj; | |
1777 | be_cq_notify(adapter, mcc_obj->cq.id, true, mcc_compl); | |
1778 | } | |
1779 | ||
1780 | if (tx_compl) { | |
1781 | be_cq_notify(adapter, adapter->tx_obj.cq.id, true, tx_compl); | |
5fb379ee SP |
1782 | |
1783 | /* As Tx wrbs have been freed up, wake up netdev queue if | |
1784 | * it was stopped due to lack of tx wrbs. | |
1785 | */ | |
1786 | if (netif_queue_stopped(adapter->netdev) && | |
6b7c5b94 | 1787 | atomic_read(&txq->used) < txq->len / 2) { |
5fb379ee SP |
1788 | netif_wake_queue(adapter->netdev); |
1789 | } | |
1790 | ||
3abcdeda SP |
1791 | tx_stats(adapter)->be_tx_events++; |
1792 | tx_stats(adapter)->be_tx_compl += tx_compl; | |
6b7c5b94 | 1793 | } |
6b7c5b94 SP |
1794 | |
1795 | return 1; | |
1796 | } | |
1797 | ||
d053de91 | 1798 | void be_detect_dump_ue(struct be_adapter *adapter) |
7c185276 AK |
1799 | { |
1800 | u32 ue_status_lo, ue_status_hi, ue_status_lo_mask, ue_status_hi_mask; | |
1801 | u32 i; | |
1802 | ||
1803 | pci_read_config_dword(adapter->pdev, | |
1804 | PCICFG_UE_STATUS_LOW, &ue_status_lo); | |
1805 | pci_read_config_dword(adapter->pdev, | |
1806 | PCICFG_UE_STATUS_HIGH, &ue_status_hi); | |
1807 | pci_read_config_dword(adapter->pdev, | |
1808 | PCICFG_UE_STATUS_LOW_MASK, &ue_status_lo_mask); | |
1809 | pci_read_config_dword(adapter->pdev, | |
1810 | PCICFG_UE_STATUS_HI_MASK, &ue_status_hi_mask); | |
1811 | ||
1812 | ue_status_lo = (ue_status_lo & (~ue_status_lo_mask)); | |
1813 | ue_status_hi = (ue_status_hi & (~ue_status_hi_mask)); | |
1814 | ||
d053de91 AK |
1815 | if (ue_status_lo || ue_status_hi) { |
1816 | adapter->ue_detected = true; | |
1817 | dev_err(&adapter->pdev->dev, "UE Detected!!\n"); | |
1818 | } | |
1819 | ||
7c185276 AK |
1820 | if (ue_status_lo) { |
1821 | for (i = 0; ue_status_lo; ue_status_lo >>= 1, i++) { | |
1822 | if (ue_status_lo & 1) | |
1823 | dev_err(&adapter->pdev->dev, | |
1824 | "UE: %s bit set\n", ue_status_low_desc[i]); | |
1825 | } | |
1826 | } | |
1827 | if (ue_status_hi) { | |
1828 | for (i = 0; ue_status_hi; ue_status_hi >>= 1, i++) { | |
1829 | if (ue_status_hi & 1) | |
1830 | dev_err(&adapter->pdev->dev, | |
1831 | "UE: %s bit set\n", ue_status_hi_desc[i]); | |
1832 | } | |
1833 | } | |
1834 | ||
1835 | } | |
1836 | ||
ea1dae11 SP |
1837 | static void be_worker(struct work_struct *work) |
1838 | { | |
1839 | struct be_adapter *adapter = | |
1840 | container_of(work, struct be_adapter, work.work); | |
3abcdeda SP |
1841 | struct be_rx_obj *rxo; |
1842 | int i; | |
ea1dae11 | 1843 | |
f203af70 SK |
1844 | /* when interrupts are not yet enabled, just reap any pending |
1845 | * mcc completions */ | |
1846 | if (!netif_running(adapter->netdev)) { | |
1847 | int mcc_compl, status = 0; | |
1848 | ||
1849 | mcc_compl = be_process_mcc(adapter, &status); | |
1850 | ||
1851 | if (mcc_compl) { | |
1852 | struct be_mcc_obj *mcc_obj = &adapter->mcc_obj; | |
1853 | be_cq_notify(adapter, mcc_obj->cq.id, false, mcc_compl); | |
1854 | } | |
1855 | goto reschedule; | |
1856 | } | |
1857 | ||
0fc48c37 | 1858 | if (!adapter->stats_ioctl_sent) |
3abcdeda | 1859 | be_cmd_get_stats(adapter, &adapter->stats_cmd); |
ea1dae11 | 1860 | |
4097f663 | 1861 | be_tx_rate_update(adapter); |
4097f663 | 1862 | |
3abcdeda SP |
1863 | for_all_rx_queues(adapter, rxo, i) { |
1864 | be_rx_rate_update(rxo); | |
1865 | be_rx_eqd_update(adapter, rxo); | |
1866 | ||
1867 | if (rxo->rx_post_starved) { | |
1868 | rxo->rx_post_starved = false; | |
1869 | be_post_rx_frags(rxo); | |
1870 | } | |
ea1dae11 | 1871 | } |
fe6d2a38 | 1872 | if (!adapter->ue_detected && !lancer_chip(adapter)) |
d053de91 | 1873 | be_detect_dump_ue(adapter); |
ea1dae11 | 1874 | |
f203af70 | 1875 | reschedule: |
ea1dae11 SP |
1876 | schedule_delayed_work(&adapter->work, msecs_to_jiffies(1000)); |
1877 | } | |
1878 | ||
8d56ff11 SP |
1879 | static void be_msix_disable(struct be_adapter *adapter) |
1880 | { | |
1881 | if (adapter->msix_enabled) { | |
1882 | pci_disable_msix(adapter->pdev); | |
1883 | adapter->msix_enabled = false; | |
1884 | } | |
1885 | } | |
1886 | ||
3abcdeda SP |
1887 | static int be_num_rxqs_get(struct be_adapter *adapter) |
1888 | { | |
1889 | if (multi_rxq && (adapter->function_caps & BE_FUNCTION_CAPS_RSS) && | |
1890 | !adapter->sriov_enabled && !(adapter->function_mode & 0x400)) { | |
1891 | return 1 + MAX_RSS_QS; /* one default non-RSS queue */ | |
1892 | } else { | |
1893 | dev_warn(&adapter->pdev->dev, | |
1894 | "No support for multiple RX queues\n"); | |
1895 | return 1; | |
1896 | } | |
1897 | } | |
1898 | ||
6b7c5b94 SP |
1899 | static void be_msix_enable(struct be_adapter *adapter) |
1900 | { | |
3abcdeda | 1901 | #define BE_MIN_MSIX_VECTORS (1 + 1) /* Rx + Tx */ |
6b7c5b94 SP |
1902 | int i, status; |
1903 | ||
3abcdeda SP |
1904 | adapter->num_rx_qs = be_num_rxqs_get(adapter); |
1905 | ||
1906 | for (i = 0; i < (adapter->num_rx_qs + 1); i++) | |
6b7c5b94 SP |
1907 | adapter->msix_entries[i].entry = i; |
1908 | ||
1909 | status = pci_enable_msix(adapter->pdev, adapter->msix_entries, | |
3abcdeda SP |
1910 | adapter->num_rx_qs + 1); |
1911 | if (status == 0) { | |
1912 | goto done; | |
1913 | } else if (status >= BE_MIN_MSIX_VECTORS) { | |
1914 | if (pci_enable_msix(adapter->pdev, adapter->msix_entries, | |
1915 | status) == 0) { | |
1916 | adapter->num_rx_qs = status - 1; | |
1917 | dev_warn(&adapter->pdev->dev, | |
1918 | "Could alloc only %d MSIx vectors. " | |
1919 | "Using %d RX Qs\n", status, adapter->num_rx_qs); | |
1920 | goto done; | |
1921 | } | |
1922 | } | |
1923 | return; | |
1924 | done: | |
1925 | adapter->msix_enabled = true; | |
6b7c5b94 SP |
1926 | } |
1927 | ||
ba343c77 SB |
1928 | static void be_sriov_enable(struct be_adapter *adapter) |
1929 | { | |
344dbf10 | 1930 | be_check_sriov_fn_type(adapter); |
6dedec81 | 1931 | #ifdef CONFIG_PCI_IOV |
ba343c77 | 1932 | if (be_physfn(adapter) && num_vfs) { |
6dedec81 AK |
1933 | int status; |
1934 | ||
ba343c77 SB |
1935 | status = pci_enable_sriov(adapter->pdev, num_vfs); |
1936 | adapter->sriov_enabled = status ? false : true; | |
1937 | } | |
1938 | #endif | |
ba343c77 SB |
1939 | } |
1940 | ||
1941 | static void be_sriov_disable(struct be_adapter *adapter) | |
1942 | { | |
1943 | #ifdef CONFIG_PCI_IOV | |
1944 | if (adapter->sriov_enabled) { | |
1945 | pci_disable_sriov(adapter->pdev); | |
1946 | adapter->sriov_enabled = false; | |
1947 | } | |
1948 | #endif | |
1949 | } | |
1950 | ||
fe6d2a38 SP |
1951 | static inline int be_msix_vec_get(struct be_adapter *adapter, |
1952 | struct be_eq_obj *eq_obj) | |
6b7c5b94 | 1953 | { |
fe6d2a38 | 1954 | return adapter->msix_entries[eq_obj->msix_vec_idx].vector; |
6b7c5b94 SP |
1955 | } |
1956 | ||
b628bde2 SP |
1957 | static int be_request_irq(struct be_adapter *adapter, |
1958 | struct be_eq_obj *eq_obj, | |
3abcdeda | 1959 | void *handler, char *desc, void *context) |
6b7c5b94 SP |
1960 | { |
1961 | struct net_device *netdev = adapter->netdev; | |
b628bde2 SP |
1962 | int vec; |
1963 | ||
1964 | sprintf(eq_obj->desc, "%s-%s", netdev->name, desc); | |
fe6d2a38 | 1965 | vec = be_msix_vec_get(adapter, eq_obj); |
3abcdeda | 1966 | return request_irq(vec, handler, 0, eq_obj->desc, context); |
b628bde2 SP |
1967 | } |
1968 | ||
3abcdeda SP |
1969 | static void be_free_irq(struct be_adapter *adapter, struct be_eq_obj *eq_obj, |
1970 | void *context) | |
b628bde2 | 1971 | { |
fe6d2a38 | 1972 | int vec = be_msix_vec_get(adapter, eq_obj); |
3abcdeda | 1973 | free_irq(vec, context); |
b628bde2 | 1974 | } |
6b7c5b94 | 1975 | |
b628bde2 SP |
1976 | static int be_msix_register(struct be_adapter *adapter) |
1977 | { | |
3abcdeda SP |
1978 | struct be_rx_obj *rxo; |
1979 | int status, i; | |
1980 | char qname[10]; | |
b628bde2 | 1981 | |
3abcdeda SP |
1982 | status = be_request_irq(adapter, &adapter->tx_eq, be_msix_tx_mcc, "tx", |
1983 | adapter); | |
6b7c5b94 SP |
1984 | if (status) |
1985 | goto err; | |
1986 | ||
3abcdeda SP |
1987 | for_all_rx_queues(adapter, rxo, i) { |
1988 | sprintf(qname, "rxq%d", i); | |
1989 | status = be_request_irq(adapter, &rxo->rx_eq, be_msix_rx, | |
1990 | qname, rxo); | |
1991 | if (status) | |
1992 | goto err_msix; | |
1993 | } | |
b628bde2 | 1994 | |
6b7c5b94 | 1995 | return 0; |
b628bde2 | 1996 | |
3abcdeda SP |
1997 | err_msix: |
1998 | be_free_irq(adapter, &adapter->tx_eq, adapter); | |
1999 | ||
2000 | for (i--, rxo = &adapter->rx_obj[i]; i >= 0; i--, rxo--) | |
2001 | be_free_irq(adapter, &rxo->rx_eq, rxo); | |
2002 | ||
6b7c5b94 SP |
2003 | err: |
2004 | dev_warn(&adapter->pdev->dev, | |
2005 | "MSIX Request IRQ failed - err %d\n", status); | |
2006 | pci_disable_msix(adapter->pdev); | |
2007 | adapter->msix_enabled = false; | |
2008 | return status; | |
2009 | } | |
2010 | ||
2011 | static int be_irq_register(struct be_adapter *adapter) | |
2012 | { | |
2013 | struct net_device *netdev = adapter->netdev; | |
2014 | int status; | |
2015 | ||
2016 | if (adapter->msix_enabled) { | |
2017 | status = be_msix_register(adapter); | |
2018 | if (status == 0) | |
2019 | goto done; | |
ba343c77 SB |
2020 | /* INTx is not supported for VF */ |
2021 | if (!be_physfn(adapter)) | |
2022 | return status; | |
6b7c5b94 SP |
2023 | } |
2024 | ||
2025 | /* INTx */ | |
2026 | netdev->irq = adapter->pdev->irq; | |
2027 | status = request_irq(netdev->irq, be_intx, IRQF_SHARED, netdev->name, | |
2028 | adapter); | |
2029 | if (status) { | |
2030 | dev_err(&adapter->pdev->dev, | |
2031 | "INTx request IRQ failed - err %d\n", status); | |
2032 | return status; | |
2033 | } | |
2034 | done: | |
2035 | adapter->isr_registered = true; | |
2036 | return 0; | |
2037 | } | |
2038 | ||
2039 | static void be_irq_unregister(struct be_adapter *adapter) | |
2040 | { | |
2041 | struct net_device *netdev = adapter->netdev; | |
3abcdeda SP |
2042 | struct be_rx_obj *rxo; |
2043 | int i; | |
6b7c5b94 SP |
2044 | |
2045 | if (!adapter->isr_registered) | |
2046 | return; | |
2047 | ||
2048 | /* INTx */ | |
2049 | if (!adapter->msix_enabled) { | |
2050 | free_irq(netdev->irq, adapter); | |
2051 | goto done; | |
2052 | } | |
2053 | ||
2054 | /* MSIx */ | |
3abcdeda SP |
2055 | be_free_irq(adapter, &adapter->tx_eq, adapter); |
2056 | ||
2057 | for_all_rx_queues(adapter, rxo, i) | |
2058 | be_free_irq(adapter, &rxo->rx_eq, rxo); | |
2059 | ||
6b7c5b94 SP |
2060 | done: |
2061 | adapter->isr_registered = false; | |
6b7c5b94 SP |
2062 | } |
2063 | ||
889cd4b2 SP |
2064 | static int be_close(struct net_device *netdev) |
2065 | { | |
2066 | struct be_adapter *adapter = netdev_priv(netdev); | |
3abcdeda | 2067 | struct be_rx_obj *rxo; |
889cd4b2 | 2068 | struct be_eq_obj *tx_eq = &adapter->tx_eq; |
3abcdeda | 2069 | int vec, i; |
889cd4b2 | 2070 | |
889cd4b2 SP |
2071 | be_async_mcc_disable(adapter); |
2072 | ||
2073 | netif_stop_queue(netdev); | |
2074 | netif_carrier_off(netdev); | |
2075 | adapter->link_up = false; | |
2076 | ||
fe6d2a38 SP |
2077 | if (!lancer_chip(adapter)) |
2078 | be_intr_set(adapter, false); | |
889cd4b2 SP |
2079 | |
2080 | if (adapter->msix_enabled) { | |
fe6d2a38 | 2081 | vec = be_msix_vec_get(adapter, tx_eq); |
889cd4b2 | 2082 | synchronize_irq(vec); |
3abcdeda SP |
2083 | |
2084 | for_all_rx_queues(adapter, rxo, i) { | |
fe6d2a38 | 2085 | vec = be_msix_vec_get(adapter, &rxo->rx_eq); |
3abcdeda SP |
2086 | synchronize_irq(vec); |
2087 | } | |
889cd4b2 SP |
2088 | } else { |
2089 | synchronize_irq(netdev->irq); | |
2090 | } | |
2091 | be_irq_unregister(adapter); | |
2092 | ||
3abcdeda SP |
2093 | for_all_rx_queues(adapter, rxo, i) |
2094 | napi_disable(&rxo->rx_eq.napi); | |
2095 | ||
889cd4b2 SP |
2096 | napi_disable(&tx_eq->napi); |
2097 | ||
2098 | /* Wait for all pending tx completions to arrive so that | |
2099 | * all tx skbs are freed. | |
2100 | */ | |
2101 | be_tx_compl_clean(adapter); | |
2102 | ||
2103 | return 0; | |
2104 | } | |
2105 | ||
6b7c5b94 SP |
2106 | static int be_open(struct net_device *netdev) |
2107 | { | |
2108 | struct be_adapter *adapter = netdev_priv(netdev); | |
6b7c5b94 | 2109 | struct be_eq_obj *tx_eq = &adapter->tx_eq; |
3abcdeda | 2110 | struct be_rx_obj *rxo; |
a8f447bd | 2111 | bool link_up; |
3abcdeda | 2112 | int status, i; |
0388f251 SB |
2113 | u8 mac_speed; |
2114 | u16 link_speed; | |
5fb379ee | 2115 | |
3abcdeda SP |
2116 | for_all_rx_queues(adapter, rxo, i) { |
2117 | be_post_rx_frags(rxo); | |
2118 | napi_enable(&rxo->rx_eq.napi); | |
2119 | } | |
5fb379ee SP |
2120 | napi_enable(&tx_eq->napi); |
2121 | ||
2122 | be_irq_register(adapter); | |
2123 | ||
fe6d2a38 SP |
2124 | if (!lancer_chip(adapter)) |
2125 | be_intr_set(adapter, true); | |
5fb379ee SP |
2126 | |
2127 | /* The evt queues are created in unarmed state; arm them */ | |
3abcdeda SP |
2128 | for_all_rx_queues(adapter, rxo, i) { |
2129 | be_eq_notify(adapter, rxo->rx_eq.q.id, true, false, 0); | |
2130 | be_cq_notify(adapter, rxo->cq.id, true, 0); | |
2131 | } | |
8788fdc2 | 2132 | be_eq_notify(adapter, tx_eq->q.id, true, false, 0); |
5fb379ee | 2133 | |
7a1e9b20 SP |
2134 | /* Now that interrupts are on we can process async mcc */ |
2135 | be_async_mcc_enable(adapter); | |
2136 | ||
0388f251 SB |
2137 | status = be_cmd_link_status_query(adapter, &link_up, &mac_speed, |
2138 | &link_speed); | |
a8f447bd | 2139 | if (status) |
889cd4b2 | 2140 | goto err; |
a8f447bd | 2141 | be_link_status_update(adapter, link_up); |
5fb379ee | 2142 | |
889cd4b2 | 2143 | if (be_physfn(adapter)) { |
1da87b7f | 2144 | status = be_vid_config(adapter, false, 0); |
889cd4b2 SP |
2145 | if (status) |
2146 | goto err; | |
4f2aa89c | 2147 | |
ba343c77 SB |
2148 | status = be_cmd_set_flow_control(adapter, |
2149 | adapter->tx_fc, adapter->rx_fc); | |
2150 | if (status) | |
889cd4b2 | 2151 | goto err; |
ba343c77 | 2152 | } |
4f2aa89c | 2153 | |
889cd4b2 SP |
2154 | return 0; |
2155 | err: | |
2156 | be_close(adapter->netdev); | |
2157 | return -EIO; | |
5fb379ee SP |
2158 | } |
2159 | ||
71d8d1b5 AK |
2160 | static int be_setup_wol(struct be_adapter *adapter, bool enable) |
2161 | { | |
2162 | struct be_dma_mem cmd; | |
2163 | int status = 0; | |
2164 | u8 mac[ETH_ALEN]; | |
2165 | ||
2166 | memset(mac, 0, ETH_ALEN); | |
2167 | ||
2168 | cmd.size = sizeof(struct be_cmd_req_acpi_wol_magic_config); | |
2169 | cmd.va = pci_alloc_consistent(adapter->pdev, cmd.size, &cmd.dma); | |
2170 | if (cmd.va == NULL) | |
2171 | return -1; | |
2172 | memset(cmd.va, 0, cmd.size); | |
2173 | ||
2174 | if (enable) { | |
2175 | status = pci_write_config_dword(adapter->pdev, | |
2176 | PCICFG_PM_CONTROL_OFFSET, PCICFG_PM_CONTROL_MASK); | |
2177 | if (status) { | |
2178 | dev_err(&adapter->pdev->dev, | |
2381a55c | 2179 | "Could not enable Wake-on-lan\n"); |
71d8d1b5 AK |
2180 | pci_free_consistent(adapter->pdev, cmd.size, cmd.va, |
2181 | cmd.dma); | |
2182 | return status; | |
2183 | } | |
2184 | status = be_cmd_enable_magic_wol(adapter, | |
2185 | adapter->netdev->dev_addr, &cmd); | |
2186 | pci_enable_wake(adapter->pdev, PCI_D3hot, 1); | |
2187 | pci_enable_wake(adapter->pdev, PCI_D3cold, 1); | |
2188 | } else { | |
2189 | status = be_cmd_enable_magic_wol(adapter, mac, &cmd); | |
2190 | pci_enable_wake(adapter->pdev, PCI_D3hot, 0); | |
2191 | pci_enable_wake(adapter->pdev, PCI_D3cold, 0); | |
2192 | } | |
2193 | ||
2194 | pci_free_consistent(adapter->pdev, cmd.size, cmd.va, cmd.dma); | |
2195 | return status; | |
2196 | } | |
2197 | ||
6d87f5c3 AK |
2198 | /* |
2199 | * Generate a seed MAC address from the PF MAC Address using jhash. | |
2200 | * MAC Address for VFs are assigned incrementally starting from the seed. | |
2201 | * These addresses are programmed in the ASIC by the PF and the VF driver | |
2202 | * queries for the MAC address during its probe. | |
2203 | */ | |
2204 | static inline int be_vf_eth_addr_config(struct be_adapter *adapter) | |
2205 | { | |
2206 | u32 vf = 0; | |
3abcdeda | 2207 | int status = 0; |
6d87f5c3 AK |
2208 | u8 mac[ETH_ALEN]; |
2209 | ||
2210 | be_vf_eth_addr_generate(adapter, mac); | |
2211 | ||
2212 | for (vf = 0; vf < num_vfs; vf++) { | |
2213 | status = be_cmd_pmac_add(adapter, mac, | |
2214 | adapter->vf_cfg[vf].vf_if_handle, | |
2215 | &adapter->vf_cfg[vf].vf_pmac_id); | |
2216 | if (status) | |
2217 | dev_err(&adapter->pdev->dev, | |
2218 | "Mac address add failed for VF %d\n", vf); | |
2219 | else | |
2220 | memcpy(adapter->vf_cfg[vf].vf_mac_addr, mac, ETH_ALEN); | |
2221 | ||
2222 | mac[5] += 1; | |
2223 | } | |
2224 | return status; | |
2225 | } | |
2226 | ||
2227 | static inline void be_vf_eth_addr_rem(struct be_adapter *adapter) | |
2228 | { | |
2229 | u32 vf; | |
2230 | ||
2231 | for (vf = 0; vf < num_vfs; vf++) { | |
2232 | if (adapter->vf_cfg[vf].vf_pmac_id != BE_INVALID_PMAC_ID) | |
2233 | be_cmd_pmac_del(adapter, | |
2234 | adapter->vf_cfg[vf].vf_if_handle, | |
2235 | adapter->vf_cfg[vf].vf_pmac_id); | |
2236 | } | |
2237 | } | |
2238 | ||
5fb379ee SP |
2239 | static int be_setup(struct be_adapter *adapter) |
2240 | { | |
5fb379ee | 2241 | struct net_device *netdev = adapter->netdev; |
ba343c77 | 2242 | u32 cap_flags, en_flags, vf = 0; |
6b7c5b94 | 2243 | int status; |
ba343c77 SB |
2244 | u8 mac[ETH_ALEN]; |
2245 | ||
2246 | cap_flags = en_flags = BE_IF_FLAGS_UNTAGGED | BE_IF_FLAGS_BROADCAST; | |
6b7c5b94 | 2247 | |
ba343c77 SB |
2248 | if (be_physfn(adapter)) { |
2249 | cap_flags |= BE_IF_FLAGS_MCAST_PROMISCUOUS | | |
2250 | BE_IF_FLAGS_PROMISCUOUS | | |
2251 | BE_IF_FLAGS_PASS_L3L4_ERRORS; | |
2252 | en_flags |= BE_IF_FLAGS_PASS_L3L4_ERRORS; | |
3abcdeda SP |
2253 | |
2254 | if (be_multi_rxq(adapter)) { | |
2255 | cap_flags |= BE_IF_FLAGS_RSS; | |
2256 | en_flags |= BE_IF_FLAGS_RSS; | |
2257 | } | |
ba343c77 | 2258 | } |
73d540f2 SP |
2259 | |
2260 | status = be_cmd_if_create(adapter, cap_flags, en_flags, | |
2261 | netdev->dev_addr, false/* pmac_invalid */, | |
ba343c77 | 2262 | &adapter->if_handle, &adapter->pmac_id, 0); |
6b7c5b94 SP |
2263 | if (status != 0) |
2264 | goto do_none; | |
2265 | ||
ba343c77 SB |
2266 | if (be_physfn(adapter)) { |
2267 | while (vf < num_vfs) { | |
2268 | cap_flags = en_flags = BE_IF_FLAGS_UNTAGGED | |
2269 | | BE_IF_FLAGS_BROADCAST; | |
2270 | status = be_cmd_if_create(adapter, cap_flags, en_flags, | |
64600ea5 AK |
2271 | mac, true, |
2272 | &adapter->vf_cfg[vf].vf_if_handle, | |
ba343c77 SB |
2273 | NULL, vf+1); |
2274 | if (status) { | |
2275 | dev_err(&adapter->pdev->dev, | |
2276 | "Interface Create failed for VF %d\n", vf); | |
2277 | goto if_destroy; | |
2278 | } | |
64600ea5 | 2279 | adapter->vf_cfg[vf].vf_pmac_id = BE_INVALID_PMAC_ID; |
ba343c77 | 2280 | vf++; |
84e5b9f7 | 2281 | } |
ba343c77 SB |
2282 | } else if (!be_physfn(adapter)) { |
2283 | status = be_cmd_mac_addr_query(adapter, mac, | |
2284 | MAC_ADDRESS_TYPE_NETWORK, false, adapter->if_handle); | |
2285 | if (!status) { | |
2286 | memcpy(adapter->netdev->dev_addr, mac, ETH_ALEN); | |
2287 | memcpy(adapter->netdev->perm_addr, mac, ETH_ALEN); | |
2288 | } | |
2289 | } | |
2290 | ||
6b7c5b94 SP |
2291 | status = be_tx_queues_create(adapter); |
2292 | if (status != 0) | |
2293 | goto if_destroy; | |
2294 | ||
2295 | status = be_rx_queues_create(adapter); | |
2296 | if (status != 0) | |
2297 | goto tx_qs_destroy; | |
2298 | ||
5fb379ee SP |
2299 | status = be_mcc_queues_create(adapter); |
2300 | if (status != 0) | |
2301 | goto rx_qs_destroy; | |
6b7c5b94 | 2302 | |
6d87f5c3 AK |
2303 | if (be_physfn(adapter)) { |
2304 | status = be_vf_eth_addr_config(adapter); | |
2305 | if (status) | |
2306 | goto mcc_q_destroy; | |
2307 | } | |
2308 | ||
0dffc83e AK |
2309 | adapter->link_speed = -1; |
2310 | ||
6b7c5b94 SP |
2311 | return 0; |
2312 | ||
6d87f5c3 AK |
2313 | mcc_q_destroy: |
2314 | if (be_physfn(adapter)) | |
2315 | be_vf_eth_addr_rem(adapter); | |
2316 | be_mcc_queues_destroy(adapter); | |
5fb379ee SP |
2317 | rx_qs_destroy: |
2318 | be_rx_queues_destroy(adapter); | |
6b7c5b94 SP |
2319 | tx_qs_destroy: |
2320 | be_tx_queues_destroy(adapter); | |
2321 | if_destroy: | |
ba343c77 | 2322 | for (vf = 0; vf < num_vfs; vf++) |
64600ea5 AK |
2323 | if (adapter->vf_cfg[vf].vf_if_handle) |
2324 | be_cmd_if_destroy(adapter, | |
2325 | adapter->vf_cfg[vf].vf_if_handle); | |
8788fdc2 | 2326 | be_cmd_if_destroy(adapter, adapter->if_handle); |
6b7c5b94 SP |
2327 | do_none: |
2328 | return status; | |
2329 | } | |
2330 | ||
5fb379ee SP |
2331 | static int be_clear(struct be_adapter *adapter) |
2332 | { | |
6d87f5c3 AK |
2333 | if (be_physfn(adapter)) |
2334 | be_vf_eth_addr_rem(adapter); | |
2335 | ||
1a8887d8 | 2336 | be_mcc_queues_destroy(adapter); |
5fb379ee SP |
2337 | be_rx_queues_destroy(adapter); |
2338 | be_tx_queues_destroy(adapter); | |
2339 | ||
8788fdc2 | 2340 | be_cmd_if_destroy(adapter, adapter->if_handle); |
5fb379ee | 2341 | |
2243e2e9 SP |
2342 | /* tell fw we're done with firing cmds */ |
2343 | be_cmd_fw_clean(adapter); | |
5fb379ee SP |
2344 | return 0; |
2345 | } | |
2346 | ||
6b7c5b94 | 2347 | |
84517482 | 2348 | #define FW_FILE_HDR_SIGN "ServerEngines Corp. " |
fa9a6fed | 2349 | static bool be_flash_redboot(struct be_adapter *adapter, |
3f0d4560 AK |
2350 | const u8 *p, u32 img_start, int image_size, |
2351 | int hdr_size) | |
fa9a6fed SB |
2352 | { |
2353 | u32 crc_offset; | |
2354 | u8 flashed_crc[4]; | |
2355 | int status; | |
3f0d4560 AK |
2356 | |
2357 | crc_offset = hdr_size + img_start + image_size - 4; | |
2358 | ||
fa9a6fed | 2359 | p += crc_offset; |
3f0d4560 AK |
2360 | |
2361 | status = be_cmd_get_flash_crc(adapter, flashed_crc, | |
f510fc64 | 2362 | (image_size - 4)); |
fa9a6fed SB |
2363 | if (status) { |
2364 | dev_err(&adapter->pdev->dev, | |
2365 | "could not get crc from flash, not flashing redboot\n"); | |
2366 | return false; | |
2367 | } | |
2368 | ||
2369 | /*update redboot only if crc does not match*/ | |
2370 | if (!memcmp(flashed_crc, p, 4)) | |
2371 | return false; | |
2372 | else | |
2373 | return true; | |
fa9a6fed SB |
2374 | } |
2375 | ||
3f0d4560 | 2376 | static int be_flash_data(struct be_adapter *adapter, |
84517482 | 2377 | const struct firmware *fw, |
3f0d4560 AK |
2378 | struct be_dma_mem *flash_cmd, int num_of_images) |
2379 | ||
84517482 | 2380 | { |
3f0d4560 AK |
2381 | int status = 0, i, filehdr_size = 0; |
2382 | u32 total_bytes = 0, flash_op; | |
84517482 AK |
2383 | int num_bytes; |
2384 | const u8 *p = fw->data; | |
2385 | struct be_cmd_write_flashrom *req = flash_cmd->va; | |
3f0d4560 | 2386 | struct flash_comp *pflashcomp; |
9fe96934 | 2387 | int num_comp; |
3f0d4560 | 2388 | |
9fe96934 | 2389 | struct flash_comp gen3_flash_types[9] = { |
3f0d4560 AK |
2390 | { FLASH_iSCSI_PRIMARY_IMAGE_START_g3, IMG_TYPE_ISCSI_ACTIVE, |
2391 | FLASH_IMAGE_MAX_SIZE_g3}, | |
2392 | { FLASH_REDBOOT_START_g3, IMG_TYPE_REDBOOT, | |
2393 | FLASH_REDBOOT_IMAGE_MAX_SIZE_g3}, | |
2394 | { FLASH_iSCSI_BIOS_START_g3, IMG_TYPE_BIOS, | |
2395 | FLASH_BIOS_IMAGE_MAX_SIZE_g3}, | |
2396 | { FLASH_PXE_BIOS_START_g3, IMG_TYPE_PXE_BIOS, | |
2397 | FLASH_BIOS_IMAGE_MAX_SIZE_g3}, | |
2398 | { FLASH_FCoE_BIOS_START_g3, IMG_TYPE_FCOE_BIOS, | |
2399 | FLASH_BIOS_IMAGE_MAX_SIZE_g3}, | |
2400 | { FLASH_iSCSI_BACKUP_IMAGE_START_g3, IMG_TYPE_ISCSI_BACKUP, | |
2401 | FLASH_IMAGE_MAX_SIZE_g3}, | |
2402 | { FLASH_FCoE_PRIMARY_IMAGE_START_g3, IMG_TYPE_FCOE_FW_ACTIVE, | |
2403 | FLASH_IMAGE_MAX_SIZE_g3}, | |
2404 | { FLASH_FCoE_BACKUP_IMAGE_START_g3, IMG_TYPE_FCOE_FW_BACKUP, | |
9fe96934 SB |
2405 | FLASH_IMAGE_MAX_SIZE_g3}, |
2406 | { FLASH_NCSI_START_g3, IMG_TYPE_NCSI_FW, | |
2407 | FLASH_NCSI_IMAGE_MAX_SIZE_g3} | |
3f0d4560 AK |
2408 | }; |
2409 | struct flash_comp gen2_flash_types[8] = { | |
2410 | { FLASH_iSCSI_PRIMARY_IMAGE_START_g2, IMG_TYPE_ISCSI_ACTIVE, | |
2411 | FLASH_IMAGE_MAX_SIZE_g2}, | |
2412 | { FLASH_REDBOOT_START_g2, IMG_TYPE_REDBOOT, | |
2413 | FLASH_REDBOOT_IMAGE_MAX_SIZE_g2}, | |
2414 | { FLASH_iSCSI_BIOS_START_g2, IMG_TYPE_BIOS, | |
2415 | FLASH_BIOS_IMAGE_MAX_SIZE_g2}, | |
2416 | { FLASH_PXE_BIOS_START_g2, IMG_TYPE_PXE_BIOS, | |
2417 | FLASH_BIOS_IMAGE_MAX_SIZE_g2}, | |
2418 | { FLASH_FCoE_BIOS_START_g2, IMG_TYPE_FCOE_BIOS, | |
2419 | FLASH_BIOS_IMAGE_MAX_SIZE_g2}, | |
2420 | { FLASH_iSCSI_BACKUP_IMAGE_START_g2, IMG_TYPE_ISCSI_BACKUP, | |
2421 | FLASH_IMAGE_MAX_SIZE_g2}, | |
2422 | { FLASH_FCoE_PRIMARY_IMAGE_START_g2, IMG_TYPE_FCOE_FW_ACTIVE, | |
2423 | FLASH_IMAGE_MAX_SIZE_g2}, | |
2424 | { FLASH_FCoE_BACKUP_IMAGE_START_g2, IMG_TYPE_FCOE_FW_BACKUP, | |
2425 | FLASH_IMAGE_MAX_SIZE_g2} | |
2426 | }; | |
2427 | ||
2428 | if (adapter->generation == BE_GEN3) { | |
2429 | pflashcomp = gen3_flash_types; | |
2430 | filehdr_size = sizeof(struct flash_file_hdr_g3); | |
9fe96934 | 2431 | num_comp = 9; |
3f0d4560 AK |
2432 | } else { |
2433 | pflashcomp = gen2_flash_types; | |
2434 | filehdr_size = sizeof(struct flash_file_hdr_g2); | |
9fe96934 | 2435 | num_comp = 8; |
84517482 | 2436 | } |
9fe96934 SB |
2437 | for (i = 0; i < num_comp; i++) { |
2438 | if ((pflashcomp[i].optype == IMG_TYPE_NCSI_FW) && | |
2439 | memcmp(adapter->fw_ver, "3.102.148.0", 11) < 0) | |
2440 | continue; | |
3f0d4560 AK |
2441 | if ((pflashcomp[i].optype == IMG_TYPE_REDBOOT) && |
2442 | (!be_flash_redboot(adapter, fw->data, | |
2443 | pflashcomp[i].offset, pflashcomp[i].size, | |
2444 | filehdr_size))) | |
2445 | continue; | |
2446 | p = fw->data; | |
2447 | p += filehdr_size + pflashcomp[i].offset | |
2448 | + (num_of_images * sizeof(struct image_hdr)); | |
2449 | if (p + pflashcomp[i].size > fw->data + fw->size) | |
84517482 | 2450 | return -1; |
3f0d4560 AK |
2451 | total_bytes = pflashcomp[i].size; |
2452 | while (total_bytes) { | |
2453 | if (total_bytes > 32*1024) | |
2454 | num_bytes = 32*1024; | |
2455 | else | |
2456 | num_bytes = total_bytes; | |
2457 | total_bytes -= num_bytes; | |
2458 | ||
2459 | if (!total_bytes) | |
2460 | flash_op = FLASHROM_OPER_FLASH; | |
2461 | else | |
2462 | flash_op = FLASHROM_OPER_SAVE; | |
2463 | memcpy(req->params.data_buf, p, num_bytes); | |
2464 | p += num_bytes; | |
2465 | status = be_cmd_write_flashrom(adapter, flash_cmd, | |
2466 | pflashcomp[i].optype, flash_op, num_bytes); | |
2467 | if (status) { | |
2468 | dev_err(&adapter->pdev->dev, | |
2469 | "cmd to write to flash rom failed.\n"); | |
2470 | return -1; | |
2471 | } | |
2472 | yield(); | |
84517482 | 2473 | } |
84517482 | 2474 | } |
84517482 AK |
2475 | return 0; |
2476 | } | |
2477 | ||
3f0d4560 AK |
2478 | static int get_ufigen_type(struct flash_file_hdr_g2 *fhdr) |
2479 | { | |
2480 | if (fhdr == NULL) | |
2481 | return 0; | |
2482 | if (fhdr->build[0] == '3') | |
2483 | return BE_GEN3; | |
2484 | else if (fhdr->build[0] == '2') | |
2485 | return BE_GEN2; | |
2486 | else | |
2487 | return 0; | |
2488 | } | |
2489 | ||
84517482 AK |
2490 | int be_load_fw(struct be_adapter *adapter, u8 *func) |
2491 | { | |
2492 | char fw_file[ETHTOOL_FLASH_MAX_FILENAME]; | |
2493 | const struct firmware *fw; | |
3f0d4560 AK |
2494 | struct flash_file_hdr_g2 *fhdr; |
2495 | struct flash_file_hdr_g3 *fhdr3; | |
2496 | struct image_hdr *img_hdr_ptr = NULL; | |
84517482 | 2497 | struct be_dma_mem flash_cmd; |
8b93b710 | 2498 | int status, i = 0, num_imgs = 0; |
84517482 | 2499 | const u8 *p; |
84517482 | 2500 | |
d9efd2af SB |
2501 | if (!netif_running(adapter->netdev)) { |
2502 | dev_err(&adapter->pdev->dev, | |
2503 | "Firmware load not allowed (interface is down)\n"); | |
2504 | return -EPERM; | |
2505 | } | |
2506 | ||
84517482 AK |
2507 | strcpy(fw_file, func); |
2508 | ||
2509 | status = request_firmware(&fw, fw_file, &adapter->pdev->dev); | |
2510 | if (status) | |
2511 | goto fw_exit; | |
2512 | ||
2513 | p = fw->data; | |
3f0d4560 | 2514 | fhdr = (struct flash_file_hdr_g2 *) p; |
84517482 AK |
2515 | dev_info(&adapter->pdev->dev, "Flashing firmware file %s\n", fw_file); |
2516 | ||
84517482 AK |
2517 | flash_cmd.size = sizeof(struct be_cmd_write_flashrom) + 32*1024; |
2518 | flash_cmd.va = pci_alloc_consistent(adapter->pdev, flash_cmd.size, | |
2519 | &flash_cmd.dma); | |
2520 | if (!flash_cmd.va) { | |
2521 | status = -ENOMEM; | |
2522 | dev_err(&adapter->pdev->dev, | |
2523 | "Memory allocation failure while flashing\n"); | |
2524 | goto fw_exit; | |
2525 | } | |
2526 | ||
3f0d4560 AK |
2527 | if ((adapter->generation == BE_GEN3) && |
2528 | (get_ufigen_type(fhdr) == BE_GEN3)) { | |
2529 | fhdr3 = (struct flash_file_hdr_g3 *) fw->data; | |
8b93b710 AK |
2530 | num_imgs = le32_to_cpu(fhdr3->num_imgs); |
2531 | for (i = 0; i < num_imgs; i++) { | |
3f0d4560 AK |
2532 | img_hdr_ptr = (struct image_hdr *) (fw->data + |
2533 | (sizeof(struct flash_file_hdr_g3) + | |
8b93b710 AK |
2534 | i * sizeof(struct image_hdr))); |
2535 | if (le32_to_cpu(img_hdr_ptr->imageid) == 1) | |
2536 | status = be_flash_data(adapter, fw, &flash_cmd, | |
2537 | num_imgs); | |
3f0d4560 AK |
2538 | } |
2539 | } else if ((adapter->generation == BE_GEN2) && | |
2540 | (get_ufigen_type(fhdr) == BE_GEN2)) { | |
2541 | status = be_flash_data(adapter, fw, &flash_cmd, 0); | |
2542 | } else { | |
2543 | dev_err(&adapter->pdev->dev, | |
2544 | "UFI and Interface are not compatible for flashing\n"); | |
2545 | status = -1; | |
84517482 AK |
2546 | } |
2547 | ||
2548 | pci_free_consistent(adapter->pdev, flash_cmd.size, flash_cmd.va, | |
2549 | flash_cmd.dma); | |
2550 | if (status) { | |
2551 | dev_err(&adapter->pdev->dev, "Firmware load error\n"); | |
2552 | goto fw_exit; | |
2553 | } | |
2554 | ||
af901ca1 | 2555 | dev_info(&adapter->pdev->dev, "Firmware flashed successfully\n"); |
84517482 AK |
2556 | |
2557 | fw_exit: | |
2558 | release_firmware(fw); | |
2559 | return status; | |
2560 | } | |
2561 | ||
6b7c5b94 SP |
2562 | static struct net_device_ops be_netdev_ops = { |
2563 | .ndo_open = be_open, | |
2564 | .ndo_stop = be_close, | |
2565 | .ndo_start_xmit = be_xmit, | |
6b7c5b94 SP |
2566 | .ndo_set_rx_mode = be_set_multicast_list, |
2567 | .ndo_set_mac_address = be_mac_addr_set, | |
2568 | .ndo_change_mtu = be_change_mtu, | |
2569 | .ndo_validate_addr = eth_validate_addr, | |
2570 | .ndo_vlan_rx_register = be_vlan_register, | |
2571 | .ndo_vlan_rx_add_vid = be_vlan_add_vid, | |
2572 | .ndo_vlan_rx_kill_vid = be_vlan_rem_vid, | |
64600ea5 | 2573 | .ndo_set_vf_mac = be_set_vf_mac, |
1da87b7f | 2574 | .ndo_set_vf_vlan = be_set_vf_vlan, |
e1d18735 | 2575 | .ndo_set_vf_tx_rate = be_set_vf_tx_rate, |
64600ea5 | 2576 | .ndo_get_vf_config = be_get_vf_config |
6b7c5b94 SP |
2577 | }; |
2578 | ||
2579 | static void be_netdev_init(struct net_device *netdev) | |
2580 | { | |
2581 | struct be_adapter *adapter = netdev_priv(netdev); | |
3abcdeda SP |
2582 | struct be_rx_obj *rxo; |
2583 | int i; | |
6b7c5b94 SP |
2584 | |
2585 | netdev->features |= NETIF_F_SG | NETIF_F_HW_VLAN_RX | NETIF_F_TSO | | |
79032644 MM |
2586 | NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_FILTER | |
2587 | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | | |
49e4b847 | 2588 | NETIF_F_GRO | NETIF_F_TSO6; |
6b7c5b94 | 2589 | |
79032644 MM |
2590 | netdev->vlan_features |= NETIF_F_SG | NETIF_F_TSO | |
2591 | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; | |
51c59870 | 2592 | |
fe6d2a38 SP |
2593 | if (lancer_chip(adapter)) |
2594 | netdev->vlan_features |= NETIF_F_TSO6; | |
2595 | ||
6b7c5b94 SP |
2596 | netdev->flags |= IFF_MULTICAST; |
2597 | ||
728a9972 AK |
2598 | adapter->rx_csum = true; |
2599 | ||
9e90c961 AK |
2600 | /* Default settings for Rx and Tx flow control */ |
2601 | adapter->rx_fc = true; | |
2602 | adapter->tx_fc = true; | |
2603 | ||
c190e3c8 AK |
2604 | netif_set_gso_max_size(netdev, 65535); |
2605 | ||
6b7c5b94 SP |
2606 | BE_SET_NETDEV_OPS(netdev, &be_netdev_ops); |
2607 | ||
2608 | SET_ETHTOOL_OPS(netdev, &be_ethtool_ops); | |
2609 | ||
3abcdeda SP |
2610 | for_all_rx_queues(adapter, rxo, i) |
2611 | netif_napi_add(netdev, &rxo->rx_eq.napi, be_poll_rx, | |
2612 | BE_NAPI_WEIGHT); | |
2613 | ||
5fb379ee | 2614 | netif_napi_add(netdev, &adapter->tx_eq.napi, be_poll_tx_mcc, |
6b7c5b94 SP |
2615 | BE_NAPI_WEIGHT); |
2616 | ||
6b7c5b94 SP |
2617 | netif_stop_queue(netdev); |
2618 | } | |
2619 | ||
2620 | static void be_unmap_pci_bars(struct be_adapter *adapter) | |
2621 | { | |
8788fdc2 SP |
2622 | if (adapter->csr) |
2623 | iounmap(adapter->csr); | |
2624 | if (adapter->db) | |
2625 | iounmap(adapter->db); | |
ba343c77 | 2626 | if (adapter->pcicfg && be_physfn(adapter)) |
8788fdc2 | 2627 | iounmap(adapter->pcicfg); |
6b7c5b94 SP |
2628 | } |
2629 | ||
2630 | static int be_map_pci_bars(struct be_adapter *adapter) | |
2631 | { | |
2632 | u8 __iomem *addr; | |
ba343c77 | 2633 | int pcicfg_reg, db_reg; |
6b7c5b94 | 2634 | |
fe6d2a38 SP |
2635 | if (lancer_chip(adapter)) { |
2636 | addr = ioremap_nocache(pci_resource_start(adapter->pdev, 0), | |
2637 | pci_resource_len(adapter->pdev, 0)); | |
2638 | if (addr == NULL) | |
2639 | return -ENOMEM; | |
2640 | adapter->db = addr; | |
2641 | return 0; | |
2642 | } | |
2643 | ||
ba343c77 SB |
2644 | if (be_physfn(adapter)) { |
2645 | addr = ioremap_nocache(pci_resource_start(adapter->pdev, 2), | |
2646 | pci_resource_len(adapter->pdev, 2)); | |
2647 | if (addr == NULL) | |
2648 | return -ENOMEM; | |
2649 | adapter->csr = addr; | |
2650 | } | |
6b7c5b94 | 2651 | |
ba343c77 | 2652 | if (adapter->generation == BE_GEN2) { |
7b139c83 | 2653 | pcicfg_reg = 1; |
ba343c77 SB |
2654 | db_reg = 4; |
2655 | } else { | |
7b139c83 | 2656 | pcicfg_reg = 0; |
ba343c77 SB |
2657 | if (be_physfn(adapter)) |
2658 | db_reg = 4; | |
2659 | else | |
2660 | db_reg = 0; | |
2661 | } | |
2662 | addr = ioremap_nocache(pci_resource_start(adapter->pdev, db_reg), | |
2663 | pci_resource_len(adapter->pdev, db_reg)); | |
6b7c5b94 SP |
2664 | if (addr == NULL) |
2665 | goto pci_map_err; | |
ba343c77 SB |
2666 | adapter->db = addr; |
2667 | ||
2668 | if (be_physfn(adapter)) { | |
2669 | addr = ioremap_nocache( | |
2670 | pci_resource_start(adapter->pdev, pcicfg_reg), | |
2671 | pci_resource_len(adapter->pdev, pcicfg_reg)); | |
2672 | if (addr == NULL) | |
2673 | goto pci_map_err; | |
2674 | adapter->pcicfg = addr; | |
2675 | } else | |
2676 | adapter->pcicfg = adapter->db + SRIOV_VF_PCICFG_OFFSET; | |
6b7c5b94 SP |
2677 | |
2678 | return 0; | |
2679 | pci_map_err: | |
2680 | be_unmap_pci_bars(adapter); | |
2681 | return -ENOMEM; | |
2682 | } | |
2683 | ||
2684 | ||
2685 | static void be_ctrl_cleanup(struct be_adapter *adapter) | |
2686 | { | |
8788fdc2 | 2687 | struct be_dma_mem *mem = &adapter->mbox_mem_alloced; |
6b7c5b94 SP |
2688 | |
2689 | be_unmap_pci_bars(adapter); | |
2690 | ||
2691 | if (mem->va) | |
2692 | pci_free_consistent(adapter->pdev, mem->size, | |
2693 | mem->va, mem->dma); | |
e7b909a6 SP |
2694 | |
2695 | mem = &adapter->mc_cmd_mem; | |
2696 | if (mem->va) | |
2697 | pci_free_consistent(adapter->pdev, mem->size, | |
2698 | mem->va, mem->dma); | |
6b7c5b94 SP |
2699 | } |
2700 | ||
6b7c5b94 SP |
2701 | static int be_ctrl_init(struct be_adapter *adapter) |
2702 | { | |
8788fdc2 SP |
2703 | struct be_dma_mem *mbox_mem_alloc = &adapter->mbox_mem_alloced; |
2704 | struct be_dma_mem *mbox_mem_align = &adapter->mbox_mem; | |
e7b909a6 | 2705 | struct be_dma_mem *mc_cmd_mem = &adapter->mc_cmd_mem; |
6b7c5b94 | 2706 | int status; |
6b7c5b94 SP |
2707 | |
2708 | status = be_map_pci_bars(adapter); | |
2709 | if (status) | |
e7b909a6 | 2710 | goto done; |
6b7c5b94 SP |
2711 | |
2712 | mbox_mem_alloc->size = sizeof(struct be_mcc_mailbox) + 16; | |
2713 | mbox_mem_alloc->va = pci_alloc_consistent(adapter->pdev, | |
2714 | mbox_mem_alloc->size, &mbox_mem_alloc->dma); | |
2715 | if (!mbox_mem_alloc->va) { | |
e7b909a6 SP |
2716 | status = -ENOMEM; |
2717 | goto unmap_pci_bars; | |
6b7c5b94 | 2718 | } |
e7b909a6 | 2719 | |
6b7c5b94 SP |
2720 | mbox_mem_align->size = sizeof(struct be_mcc_mailbox); |
2721 | mbox_mem_align->va = PTR_ALIGN(mbox_mem_alloc->va, 16); | |
2722 | mbox_mem_align->dma = PTR_ALIGN(mbox_mem_alloc->dma, 16); | |
2723 | memset(mbox_mem_align->va, 0, sizeof(struct be_mcc_mailbox)); | |
e7b909a6 SP |
2724 | |
2725 | mc_cmd_mem->size = sizeof(struct be_cmd_req_mcast_mac_config); | |
2726 | mc_cmd_mem->va = pci_alloc_consistent(adapter->pdev, mc_cmd_mem->size, | |
2727 | &mc_cmd_mem->dma); | |
2728 | if (mc_cmd_mem->va == NULL) { | |
2729 | status = -ENOMEM; | |
2730 | goto free_mbox; | |
2731 | } | |
2732 | memset(mc_cmd_mem->va, 0, mc_cmd_mem->size); | |
2733 | ||
8788fdc2 SP |
2734 | spin_lock_init(&adapter->mbox_lock); |
2735 | spin_lock_init(&adapter->mcc_lock); | |
2736 | spin_lock_init(&adapter->mcc_cq_lock); | |
a8f447bd | 2737 | |
dd131e76 | 2738 | init_completion(&adapter->flash_compl); |
cf588477 | 2739 | pci_save_state(adapter->pdev); |
6b7c5b94 | 2740 | return 0; |
e7b909a6 SP |
2741 | |
2742 | free_mbox: | |
2743 | pci_free_consistent(adapter->pdev, mbox_mem_alloc->size, | |
2744 | mbox_mem_alloc->va, mbox_mem_alloc->dma); | |
2745 | ||
2746 | unmap_pci_bars: | |
2747 | be_unmap_pci_bars(adapter); | |
2748 | ||
2749 | done: | |
2750 | return status; | |
6b7c5b94 SP |
2751 | } |
2752 | ||
2753 | static void be_stats_cleanup(struct be_adapter *adapter) | |
2754 | { | |
3abcdeda | 2755 | struct be_dma_mem *cmd = &adapter->stats_cmd; |
6b7c5b94 SP |
2756 | |
2757 | if (cmd->va) | |
2758 | pci_free_consistent(adapter->pdev, cmd->size, | |
2759 | cmd->va, cmd->dma); | |
2760 | } | |
2761 | ||
2762 | static int be_stats_init(struct be_adapter *adapter) | |
2763 | { | |
3abcdeda | 2764 | struct be_dma_mem *cmd = &adapter->stats_cmd; |
6b7c5b94 SP |
2765 | |
2766 | cmd->size = sizeof(struct be_cmd_req_get_stats); | |
2767 | cmd->va = pci_alloc_consistent(adapter->pdev, cmd->size, &cmd->dma); | |
2768 | if (cmd->va == NULL) | |
2769 | return -1; | |
d291b9af | 2770 | memset(cmd->va, 0, cmd->size); |
6b7c5b94 SP |
2771 | return 0; |
2772 | } | |
2773 | ||
2774 | static void __devexit be_remove(struct pci_dev *pdev) | |
2775 | { | |
2776 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
8d56ff11 | 2777 | |
6b7c5b94 SP |
2778 | if (!adapter) |
2779 | return; | |
2780 | ||
f203af70 SK |
2781 | cancel_delayed_work_sync(&adapter->work); |
2782 | ||
6b7c5b94 SP |
2783 | unregister_netdev(adapter->netdev); |
2784 | ||
5fb379ee SP |
2785 | be_clear(adapter); |
2786 | ||
6b7c5b94 SP |
2787 | be_stats_cleanup(adapter); |
2788 | ||
2789 | be_ctrl_cleanup(adapter); | |
2790 | ||
ba343c77 SB |
2791 | be_sriov_disable(adapter); |
2792 | ||
8d56ff11 | 2793 | be_msix_disable(adapter); |
6b7c5b94 SP |
2794 | |
2795 | pci_set_drvdata(pdev, NULL); | |
2796 | pci_release_regions(pdev); | |
2797 | pci_disable_device(pdev); | |
2798 | ||
2799 | free_netdev(adapter->netdev); | |
2800 | } | |
2801 | ||
2243e2e9 | 2802 | static int be_get_config(struct be_adapter *adapter) |
6b7c5b94 | 2803 | { |
6b7c5b94 | 2804 | int status; |
2243e2e9 | 2805 | u8 mac[ETH_ALEN]; |
6b7c5b94 | 2806 | |
2243e2e9 | 2807 | status = be_cmd_get_fw_ver(adapter, adapter->fw_ver); |
6b7c5b94 SP |
2808 | if (status) |
2809 | return status; | |
2810 | ||
3abcdeda SP |
2811 | status = be_cmd_query_fw_cfg(adapter, &adapter->port_num, |
2812 | &adapter->function_mode, &adapter->function_caps); | |
43a04fdc SP |
2813 | if (status) |
2814 | return status; | |
2815 | ||
2243e2e9 | 2816 | memset(mac, 0, ETH_ALEN); |
ba343c77 SB |
2817 | |
2818 | if (be_physfn(adapter)) { | |
2819 | status = be_cmd_mac_addr_query(adapter, mac, | |
2243e2e9 | 2820 | MAC_ADDRESS_TYPE_NETWORK, true /*permanent */, 0); |
ca9e4988 | 2821 | |
ba343c77 SB |
2822 | if (status) |
2823 | return status; | |
ca9e4988 | 2824 | |
ba343c77 SB |
2825 | if (!is_valid_ether_addr(mac)) |
2826 | return -EADDRNOTAVAIL; | |
2827 | ||
2828 | memcpy(adapter->netdev->dev_addr, mac, ETH_ALEN); | |
2829 | memcpy(adapter->netdev->perm_addr, mac, ETH_ALEN); | |
2830 | } | |
6b7c5b94 | 2831 | |
3486be29 | 2832 | if (adapter->function_mode & 0x400) |
82903e4b AK |
2833 | adapter->max_vlans = BE_NUM_VLANS_SUPPORTED/4; |
2834 | else | |
2835 | adapter->max_vlans = BE_NUM_VLANS_SUPPORTED; | |
2836 | ||
2243e2e9 | 2837 | return 0; |
6b7c5b94 SP |
2838 | } |
2839 | ||
fe6d2a38 SP |
2840 | static int be_dev_family_check(struct be_adapter *adapter) |
2841 | { | |
2842 | struct pci_dev *pdev = adapter->pdev; | |
2843 | u32 sli_intf = 0, if_type; | |
2844 | ||
2845 | switch (pdev->device) { | |
2846 | case BE_DEVICE_ID1: | |
2847 | case OC_DEVICE_ID1: | |
2848 | adapter->generation = BE_GEN2; | |
2849 | break; | |
2850 | case BE_DEVICE_ID2: | |
2851 | case OC_DEVICE_ID2: | |
2852 | adapter->generation = BE_GEN3; | |
2853 | break; | |
2854 | case OC_DEVICE_ID3: | |
2855 | pci_read_config_dword(pdev, SLI_INTF_REG_OFFSET, &sli_intf); | |
2856 | if_type = (sli_intf & SLI_INTF_IF_TYPE_MASK) >> | |
2857 | SLI_INTF_IF_TYPE_SHIFT; | |
2858 | ||
2859 | if (((sli_intf & SLI_INTF_VALID_MASK) != SLI_INTF_VALID) || | |
2860 | if_type != 0x02) { | |
2861 | dev_err(&pdev->dev, "SLI_INTF reg val is not valid\n"); | |
2862 | return -EINVAL; | |
2863 | } | |
2864 | if (num_vfs > 0) { | |
2865 | dev_err(&pdev->dev, "VFs not supported\n"); | |
2866 | return -EINVAL; | |
2867 | } | |
2868 | adapter->sli_family = ((sli_intf & SLI_INTF_FAMILY_MASK) >> | |
2869 | SLI_INTF_FAMILY_SHIFT); | |
2870 | adapter->generation = BE_GEN3; | |
2871 | break; | |
2872 | default: | |
2873 | adapter->generation = 0; | |
2874 | } | |
2875 | return 0; | |
2876 | } | |
2877 | ||
6b7c5b94 SP |
2878 | static int __devinit be_probe(struct pci_dev *pdev, |
2879 | const struct pci_device_id *pdev_id) | |
2880 | { | |
2881 | int status = 0; | |
2882 | struct be_adapter *adapter; | |
2883 | struct net_device *netdev; | |
6b7c5b94 SP |
2884 | |
2885 | status = pci_enable_device(pdev); | |
2886 | if (status) | |
2887 | goto do_none; | |
2888 | ||
2889 | status = pci_request_regions(pdev, DRV_NAME); | |
2890 | if (status) | |
2891 | goto disable_dev; | |
2892 | pci_set_master(pdev); | |
2893 | ||
2894 | netdev = alloc_etherdev(sizeof(struct be_adapter)); | |
2895 | if (netdev == NULL) { | |
2896 | status = -ENOMEM; | |
2897 | goto rel_reg; | |
2898 | } | |
2899 | adapter = netdev_priv(netdev); | |
2900 | adapter->pdev = pdev; | |
2901 | pci_set_drvdata(pdev, adapter); | |
fe6d2a38 SP |
2902 | |
2903 | status = be_dev_family_check(adapter); | |
63657b9c | 2904 | if (status) |
fe6d2a38 SP |
2905 | goto free_netdev; |
2906 | ||
6b7c5b94 | 2907 | adapter->netdev = netdev; |
2243e2e9 | 2908 | SET_NETDEV_DEV(netdev, &pdev->dev); |
6b7c5b94 | 2909 | |
e930438c | 2910 | status = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); |
6b7c5b94 SP |
2911 | if (!status) { |
2912 | netdev->features |= NETIF_F_HIGHDMA; | |
2913 | } else { | |
e930438c | 2914 | status = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); |
6b7c5b94 SP |
2915 | if (status) { |
2916 | dev_err(&pdev->dev, "Could not set PCI DMA Mask\n"); | |
2917 | goto free_netdev; | |
2918 | } | |
2919 | } | |
2920 | ||
ba343c77 SB |
2921 | be_sriov_enable(adapter); |
2922 | ||
6b7c5b94 SP |
2923 | status = be_ctrl_init(adapter); |
2924 | if (status) | |
2925 | goto free_netdev; | |
2926 | ||
2243e2e9 | 2927 | /* sync up with fw's ready state */ |
ba343c77 SB |
2928 | if (be_physfn(adapter)) { |
2929 | status = be_cmd_POST(adapter); | |
2930 | if (status) | |
2931 | goto ctrl_clean; | |
ba343c77 | 2932 | } |
6b7c5b94 | 2933 | |
2243e2e9 SP |
2934 | /* tell fw we're ready to fire cmds */ |
2935 | status = be_cmd_fw_init(adapter); | |
6b7c5b94 | 2936 | if (status) |
2243e2e9 SP |
2937 | goto ctrl_clean; |
2938 | ||
556ae191 SB |
2939 | if (be_physfn(adapter)) { |
2940 | status = be_cmd_reset_function(adapter); | |
2941 | if (status) | |
2942 | goto ctrl_clean; | |
2943 | } | |
2944 | ||
2243e2e9 SP |
2945 | status = be_stats_init(adapter); |
2946 | if (status) | |
2947 | goto ctrl_clean; | |
2948 | ||
2949 | status = be_get_config(adapter); | |
6b7c5b94 SP |
2950 | if (status) |
2951 | goto stats_clean; | |
6b7c5b94 | 2952 | |
3abcdeda SP |
2953 | be_msix_enable(adapter); |
2954 | ||
6b7c5b94 | 2955 | INIT_DELAYED_WORK(&adapter->work, be_worker); |
6b7c5b94 | 2956 | |
5fb379ee SP |
2957 | status = be_setup(adapter); |
2958 | if (status) | |
3abcdeda | 2959 | goto msix_disable; |
2243e2e9 | 2960 | |
3abcdeda | 2961 | be_netdev_init(netdev); |
6b7c5b94 SP |
2962 | status = register_netdev(netdev); |
2963 | if (status != 0) | |
5fb379ee | 2964 | goto unsetup; |
63a76944 | 2965 | netif_carrier_off(netdev); |
6b7c5b94 | 2966 | |
c4ca2374 | 2967 | dev_info(&pdev->dev, "%s port %d\n", nic_name(pdev), adapter->port_num); |
f203af70 | 2968 | schedule_delayed_work(&adapter->work, msecs_to_jiffies(100)); |
6b7c5b94 SP |
2969 | return 0; |
2970 | ||
5fb379ee SP |
2971 | unsetup: |
2972 | be_clear(adapter); | |
3abcdeda SP |
2973 | msix_disable: |
2974 | be_msix_disable(adapter); | |
6b7c5b94 SP |
2975 | stats_clean: |
2976 | be_stats_cleanup(adapter); | |
2977 | ctrl_clean: | |
2978 | be_ctrl_cleanup(adapter); | |
2979 | free_netdev: | |
ba343c77 | 2980 | be_sriov_disable(adapter); |
fe6d2a38 | 2981 | free_netdev(netdev); |
8d56ff11 | 2982 | pci_set_drvdata(pdev, NULL); |
6b7c5b94 SP |
2983 | rel_reg: |
2984 | pci_release_regions(pdev); | |
2985 | disable_dev: | |
2986 | pci_disable_device(pdev); | |
2987 | do_none: | |
c4ca2374 | 2988 | dev_err(&pdev->dev, "%s initialization failed\n", nic_name(pdev)); |
6b7c5b94 SP |
2989 | return status; |
2990 | } | |
2991 | ||
2992 | static int be_suspend(struct pci_dev *pdev, pm_message_t state) | |
2993 | { | |
2994 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
2995 | struct net_device *netdev = adapter->netdev; | |
2996 | ||
71d8d1b5 AK |
2997 | if (adapter->wol) |
2998 | be_setup_wol(adapter, true); | |
2999 | ||
6b7c5b94 SP |
3000 | netif_device_detach(netdev); |
3001 | if (netif_running(netdev)) { | |
3002 | rtnl_lock(); | |
3003 | be_close(netdev); | |
3004 | rtnl_unlock(); | |
3005 | } | |
9e90c961 | 3006 | be_cmd_get_flow_control(adapter, &adapter->tx_fc, &adapter->rx_fc); |
9b0365f1 | 3007 | be_clear(adapter); |
6b7c5b94 SP |
3008 | |
3009 | pci_save_state(pdev); | |
3010 | pci_disable_device(pdev); | |
3011 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); | |
3012 | return 0; | |
3013 | } | |
3014 | ||
3015 | static int be_resume(struct pci_dev *pdev) | |
3016 | { | |
3017 | int status = 0; | |
3018 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
3019 | struct net_device *netdev = adapter->netdev; | |
3020 | ||
3021 | netif_device_detach(netdev); | |
3022 | ||
3023 | status = pci_enable_device(pdev); | |
3024 | if (status) | |
3025 | return status; | |
3026 | ||
3027 | pci_set_power_state(pdev, 0); | |
3028 | pci_restore_state(pdev); | |
3029 | ||
2243e2e9 SP |
3030 | /* tell fw we're ready to fire cmds */ |
3031 | status = be_cmd_fw_init(adapter); | |
3032 | if (status) | |
3033 | return status; | |
3034 | ||
9b0365f1 | 3035 | be_setup(adapter); |
6b7c5b94 SP |
3036 | if (netif_running(netdev)) { |
3037 | rtnl_lock(); | |
3038 | be_open(netdev); | |
3039 | rtnl_unlock(); | |
3040 | } | |
3041 | netif_device_attach(netdev); | |
71d8d1b5 AK |
3042 | |
3043 | if (adapter->wol) | |
3044 | be_setup_wol(adapter, false); | |
6b7c5b94 SP |
3045 | return 0; |
3046 | } | |
3047 | ||
82456b03 SP |
3048 | /* |
3049 | * An FLR will stop BE from DMAing any data. | |
3050 | */ | |
3051 | static void be_shutdown(struct pci_dev *pdev) | |
3052 | { | |
3053 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
3054 | struct net_device *netdev = adapter->netdev; | |
3055 | ||
3056 | netif_device_detach(netdev); | |
3057 | ||
3058 | be_cmd_reset_function(adapter); | |
3059 | ||
3060 | if (adapter->wol) | |
3061 | be_setup_wol(adapter, true); | |
3062 | ||
3063 | pci_disable_device(pdev); | |
82456b03 SP |
3064 | } |
3065 | ||
cf588477 SP |
3066 | static pci_ers_result_t be_eeh_err_detected(struct pci_dev *pdev, |
3067 | pci_channel_state_t state) | |
3068 | { | |
3069 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
3070 | struct net_device *netdev = adapter->netdev; | |
3071 | ||
3072 | dev_err(&adapter->pdev->dev, "EEH error detected\n"); | |
3073 | ||
3074 | adapter->eeh_err = true; | |
3075 | ||
3076 | netif_device_detach(netdev); | |
3077 | ||
3078 | if (netif_running(netdev)) { | |
3079 | rtnl_lock(); | |
3080 | be_close(netdev); | |
3081 | rtnl_unlock(); | |
3082 | } | |
3083 | be_clear(adapter); | |
3084 | ||
3085 | if (state == pci_channel_io_perm_failure) | |
3086 | return PCI_ERS_RESULT_DISCONNECT; | |
3087 | ||
3088 | pci_disable_device(pdev); | |
3089 | ||
3090 | return PCI_ERS_RESULT_NEED_RESET; | |
3091 | } | |
3092 | ||
3093 | static pci_ers_result_t be_eeh_reset(struct pci_dev *pdev) | |
3094 | { | |
3095 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
3096 | int status; | |
3097 | ||
3098 | dev_info(&adapter->pdev->dev, "EEH reset\n"); | |
3099 | adapter->eeh_err = false; | |
3100 | ||
3101 | status = pci_enable_device(pdev); | |
3102 | if (status) | |
3103 | return PCI_ERS_RESULT_DISCONNECT; | |
3104 | ||
3105 | pci_set_master(pdev); | |
3106 | pci_set_power_state(pdev, 0); | |
3107 | pci_restore_state(pdev); | |
3108 | ||
3109 | /* Check if card is ok and fw is ready */ | |
3110 | status = be_cmd_POST(adapter); | |
3111 | if (status) | |
3112 | return PCI_ERS_RESULT_DISCONNECT; | |
3113 | ||
3114 | return PCI_ERS_RESULT_RECOVERED; | |
3115 | } | |
3116 | ||
3117 | static void be_eeh_resume(struct pci_dev *pdev) | |
3118 | { | |
3119 | int status = 0; | |
3120 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
3121 | struct net_device *netdev = adapter->netdev; | |
3122 | ||
3123 | dev_info(&adapter->pdev->dev, "EEH resume\n"); | |
3124 | ||
3125 | pci_save_state(pdev); | |
3126 | ||
3127 | /* tell fw we're ready to fire cmds */ | |
3128 | status = be_cmd_fw_init(adapter); | |
3129 | if (status) | |
3130 | goto err; | |
3131 | ||
3132 | status = be_setup(adapter); | |
3133 | if (status) | |
3134 | goto err; | |
3135 | ||
3136 | if (netif_running(netdev)) { | |
3137 | status = be_open(netdev); | |
3138 | if (status) | |
3139 | goto err; | |
3140 | } | |
3141 | netif_device_attach(netdev); | |
3142 | return; | |
3143 | err: | |
3144 | dev_err(&adapter->pdev->dev, "EEH resume failed\n"); | |
cf588477 SP |
3145 | } |
3146 | ||
3147 | static struct pci_error_handlers be_eeh_handlers = { | |
3148 | .error_detected = be_eeh_err_detected, | |
3149 | .slot_reset = be_eeh_reset, | |
3150 | .resume = be_eeh_resume, | |
3151 | }; | |
3152 | ||
6b7c5b94 SP |
3153 | static struct pci_driver be_driver = { |
3154 | .name = DRV_NAME, | |
3155 | .id_table = be_dev_ids, | |
3156 | .probe = be_probe, | |
3157 | .remove = be_remove, | |
3158 | .suspend = be_suspend, | |
cf588477 | 3159 | .resume = be_resume, |
82456b03 | 3160 | .shutdown = be_shutdown, |
cf588477 | 3161 | .err_handler = &be_eeh_handlers |
6b7c5b94 SP |
3162 | }; |
3163 | ||
3164 | static int __init be_init_module(void) | |
3165 | { | |
8e95a202 JP |
3166 | if (rx_frag_size != 8192 && rx_frag_size != 4096 && |
3167 | rx_frag_size != 2048) { | |
6b7c5b94 SP |
3168 | printk(KERN_WARNING DRV_NAME |
3169 | " : Module param rx_frag_size must be 2048/4096/8192." | |
3170 | " Using 2048\n"); | |
3171 | rx_frag_size = 2048; | |
3172 | } | |
6b7c5b94 | 3173 | |
ba343c77 SB |
3174 | if (num_vfs > 32) { |
3175 | printk(KERN_WARNING DRV_NAME | |
3176 | " : Module param num_vfs must not be greater than 32." | |
3177 | "Using 32\n"); | |
3178 | num_vfs = 32; | |
3179 | } | |
3180 | ||
6b7c5b94 SP |
3181 | return pci_register_driver(&be_driver); |
3182 | } | |
3183 | module_init(be_init_module); | |
3184 | ||
3185 | static void __exit be_exit_module(void) | |
3186 | { | |
3187 | pci_unregister_driver(&be_driver); | |
3188 | } | |
3189 | module_exit(be_exit_module); |