Commit | Line | Data |
---|---|---|
3d396eb1 | 1 | /* |
5d242f1c | 2 | * Copyright (C) 2003 - 2009 NetXen, Inc. |
13af7a6e | 3 | * Copyright (C) 2009 - QLogic Corporation. |
3d396eb1 | 4 | * All rights reserved. |
80922fbc | 5 | * |
3d396eb1 AK |
6 | * This program is free software; you can redistribute it and/or |
7 | * modify it under the terms of the GNU General Public License | |
8 | * as published by the Free Software Foundation; either version 2 | |
9 | * of the License, or (at your option) any later version. | |
80922fbc | 10 | * |
3d396eb1 AK |
11 | * This program is distributed in the hope that it will be useful, but |
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
80922fbc | 15 | * |
3d396eb1 AK |
16 | * You should have received a copy of the GNU General Public License |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, | |
19 | * MA 02111-1307, USA. | |
80922fbc | 20 | * |
3d396eb1 AK |
21 | * The full GNU General Public License is included in this distribution |
22 | * in the file called LICENSE. | |
80922fbc | 23 | * |
3d396eb1 AK |
24 | */ |
25 | ||
cb8011ad | 26 | #include <linux/vmalloc.h> |
e98e3350 | 27 | #include <linux/interrupt.h> |
3d396eb1 AK |
28 | #include "netxen_nic_hw.h" |
29 | ||
30 | #include "netxen_nic.h" | |
3d396eb1 | 31 | |
1494a814 | 32 | #include <linux/dma-mapping.h> |
391587c3 | 33 | #include <linux/if_vlan.h> |
c9bdd4b5 | 34 | #include <net/ip.h> |
00977784 | 35 | #include <linux/ipv6.h> |
6598b169 | 36 | #include <linux/inetdevice.h> |
0531d7b8 | 37 | #include <linux/sysfs.h> |
1494a814 | 38 | |
c25c0b9b | 39 | MODULE_DESCRIPTION("QLogic/NetXen (1/10) GbE Converged Ethernet Driver"); |
3d396eb1 AK |
40 | MODULE_LICENSE("GPL"); |
41 | MODULE_VERSION(NETXEN_NIC_LINUX_VERSIONID); | |
7e8e5d97 DP |
42 | MODULE_FIRMWARE(NX_P2_MN_ROMIMAGE_NAME); |
43 | MODULE_FIRMWARE(NX_P3_CT_ROMIMAGE_NAME); | |
44 | MODULE_FIRMWARE(NX_P3_MN_ROMIMAGE_NAME); | |
45 | MODULE_FIRMWARE(NX_UNIFIED_ROMIMAGE_NAME); | |
3d396eb1 | 46 | |
ceded32f | 47 | char netxen_nic_driver_name[] = "netxen_nic"; |
c25c0b9b | 48 | static char netxen_nic_driver_string[] = "QLogic/NetXen Network Driver v" |
cb8011ad | 49 | NETXEN_NIC_LINUX_VERSIONID; |
3d396eb1 | 50 | |
2956640d DP |
51 | static int port_mode = NETXEN_PORT_MODE_AUTO_NEG; |
52 | ||
53 | /* Default to restricted 1G auto-neg mode */ | |
54 | static int wol_port_mode = 5; | |
55 | ||
56 | static int use_msi = 1; | |
57 | ||
58 | static int use_msi_x = 1; | |
59 | ||
afdafff1 SH |
60 | static int auto_fw_reset = AUTO_FW_RESET_ENABLED; |
61 | module_param(auto_fw_reset, int, 0644); | |
62 | MODULE_PARM_DESC(auto_fw_reset,"Auto firmware reset (0=disabled, 1=enabled"); | |
caa2dd53 | 63 | |
3d396eb1 | 64 | static int __devinit netxen_nic_probe(struct pci_dev *pdev, |
2956640d | 65 | const struct pci_device_id *ent); |
3d396eb1 AK |
66 | static void __devexit netxen_nic_remove(struct pci_dev *pdev); |
67 | static int netxen_nic_open(struct net_device *netdev); | |
68 | static int netxen_nic_close(struct net_device *netdev); | |
61357325 SH |
69 | static netdev_tx_t netxen_nic_xmit_frame(struct sk_buff *, |
70 | struct net_device *); | |
3d396eb1 | 71 | static void netxen_tx_timeout(struct net_device *netdev); |
74c520da | 72 | static void netxen_tx_timeout_task(struct work_struct *work); |
6a581e93 DP |
73 | static void netxen_fw_poll_work(struct work_struct *work); |
74 | static void netxen_schedule_work(struct netxen_adapter *adapter, | |
75 | work_func_t func, int delay); | |
76 | static void netxen_cancel_fw_work(struct netxen_adapter *adapter); | |
bea3348e | 77 | static int netxen_nic_poll(struct napi_struct *napi, int budget); |
3d396eb1 AK |
78 | #ifdef CONFIG_NET_POLL_CONTROLLER |
79 | static void netxen_nic_poll_controller(struct net_device *netdev); | |
80 | #endif | |
fa3ce355 NK |
81 | |
82 | static void netxen_create_sysfs_entries(struct netxen_adapter *adapter); | |
83 | static void netxen_remove_sysfs_entries(struct netxen_adapter *adapter); | |
70f9cf89 DP |
84 | static void netxen_create_diag_entries(struct netxen_adapter *adapter); |
85 | static void netxen_remove_diag_entries(struct netxen_adapter *adapter); | |
fa3ce355 | 86 | |
6a581e93 DP |
87 | static int nx_decr_dev_ref_cnt(struct netxen_adapter *adapter); |
88 | static int netxen_can_start_firmware(struct netxen_adapter *adapter); | |
89 | ||
1494a814 | 90 | static irqreturn_t netxen_intr(int irq, void *data); |
05aaa02d | 91 | static irqreturn_t netxen_msi_intr(int irq, void *data); |
b3df68f8 | 92 | static irqreturn_t netxen_msix_intr(int irq, void *data); |
3d396eb1 | 93 | |
d0725e4d AKS |
94 | static void netxen_config_indev_addr(struct net_device *dev, unsigned long); |
95 | ||
3d396eb1 | 96 | /* PCI Device ID Table */ |
70081ac5 | 97 | #define ENTRY(device) \ |
040dec3b | 98 | {PCI_DEVICE(PCI_VENDOR_ID_NETXEN, (device)), \ |
70081ac5 AV |
99 | .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0} |
100 | ||
3d396eb1 | 101 | static struct pci_device_id netxen_pci_tbl[] __devinitdata = { |
040dec3b DP |
102 | ENTRY(PCI_DEVICE_ID_NX2031_10GXSR), |
103 | ENTRY(PCI_DEVICE_ID_NX2031_10GCX4), | |
104 | ENTRY(PCI_DEVICE_ID_NX2031_4GCU), | |
105 | ENTRY(PCI_DEVICE_ID_NX2031_IMEZ), | |
106 | ENTRY(PCI_DEVICE_ID_NX2031_HMEZ), | |
107 | ENTRY(PCI_DEVICE_ID_NX2031_XG_MGMT), | |
108 | ENTRY(PCI_DEVICE_ID_NX2031_XG_MGMT2), | |
109 | ENTRY(PCI_DEVICE_ID_NX3031), | |
3d396eb1 AK |
110 | {0,} |
111 | }; | |
112 | ||
113 | MODULE_DEVICE_TABLE(pci, netxen_pci_tbl); | |
114 | ||
7830b22c DP |
115 | static uint32_t crb_cmd_producer[4] = { |
116 | CRB_CMD_PRODUCER_OFFSET, CRB_CMD_PRODUCER_OFFSET_1, | |
117 | CRB_CMD_PRODUCER_OFFSET_2, CRB_CMD_PRODUCER_OFFSET_3 | |
118 | }; | |
119 | ||
c9fc891f | 120 | void |
3ce06a32 | 121 | netxen_nic_update_cmd_producer(struct netxen_adapter *adapter, |
cb2107be | 122 | struct nx_host_tx_ring *tx_ring) |
3176ff3e | 123 | { |
195c5f98 | 124 | NXWRIO(adapter, tx_ring->crb_cmd_producer, tx_ring->producer); |
cb2107be DP |
125 | |
126 | if (netxen_tx_avail(tx_ring) <= TX_STOP_THRESH) { | |
127 | netif_stop_queue(adapter->netdev); | |
128 | smp_mb(); | |
129 | } | |
3176ff3e MT |
130 | } |
131 | ||
7830b22c DP |
132 | static uint32_t crb_cmd_consumer[4] = { |
133 | CRB_CMD_CONSUMER_OFFSET, CRB_CMD_CONSUMER_OFFSET_1, | |
134 | CRB_CMD_CONSUMER_OFFSET_2, CRB_CMD_CONSUMER_OFFSET_3 | |
135 | }; | |
136 | ||
3ce06a32 DP |
137 | static inline void |
138 | netxen_nic_update_cmd_consumer(struct netxen_adapter *adapter, | |
cb2107be | 139 | struct nx_host_tx_ring *tx_ring) |
3176ff3e | 140 | { |
195c5f98 | 141 | NXWRIO(adapter, tx_ring->crb_cmd_consumer, tx_ring->sw_consumer); |
3176ff3e MT |
142 | } |
143 | ||
2956640d | 144 | static uint32_t msi_tgt_status[8] = { |
443be796 | 145 | ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, |
2956640d DP |
146 | ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3, |
147 | ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5, | |
148 | ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7 | |
443be796 DP |
149 | }; |
150 | ||
2956640d DP |
151 | static struct netxen_legacy_intr_set legacy_intr[] = NX_LEGACY_INTR_CONFIG; |
152 | ||
d8b100c5 | 153 | static inline void netxen_nic_disable_int(struct nx_host_sds_ring *sds_ring) |
4638aef1 | 154 | { |
d8b100c5 DP |
155 | struct netxen_adapter *adapter = sds_ring->adapter; |
156 | ||
195c5f98 | 157 | NXWRIO(adapter, sds_ring->crb_intr_mask, 0); |
4638aef1 SH |
158 | } |
159 | ||
d8b100c5 | 160 | static inline void netxen_nic_enable_int(struct nx_host_sds_ring *sds_ring) |
4638aef1 | 161 | { |
d8b100c5 DP |
162 | struct netxen_adapter *adapter = sds_ring->adapter; |
163 | ||
195c5f98 | 164 | NXWRIO(adapter, sds_ring->crb_intr_mask, 0x1); |
4638aef1 | 165 | |
092bc571 | 166 | if (!NETXEN_IS_MSI_FAMILY(adapter)) |
195c5f98 | 167 | NXWRIO(adapter, adapter->tgt_mask_reg, 0xfbff); |
4638aef1 SH |
168 | } |
169 | ||
71dcddbd DP |
170 | static int |
171 | netxen_alloc_sds_rings(struct netxen_recv_context *recv_ctx, int count) | |
172 | { | |
173 | int size = sizeof(struct nx_host_sds_ring) * count; | |
174 | ||
175 | recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL); | |
176 | ||
177 | return (recv_ctx->sds_rings == NULL); | |
178 | } | |
179 | ||
d8b100c5 | 180 | static void |
71dcddbd DP |
181 | netxen_free_sds_rings(struct netxen_recv_context *recv_ctx) |
182 | { | |
183 | if (recv_ctx->sds_rings != NULL) | |
184 | kfree(recv_ctx->sds_rings); | |
232e7d68 DP |
185 | |
186 | recv_ctx->sds_rings = NULL; | |
71dcddbd DP |
187 | } |
188 | ||
189 | static int | |
d8b100c5 DP |
190 | netxen_napi_add(struct netxen_adapter *adapter, struct net_device *netdev) |
191 | { | |
192 | int ring; | |
193 | struct nx_host_sds_ring *sds_ring; | |
194 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; | |
195 | ||
71dcddbd | 196 | if (netxen_alloc_sds_rings(recv_ctx, adapter->max_sds_rings)) |
f17443f4 | 197 | return -ENOMEM; |
71dcddbd | 198 | |
d8b100c5 DP |
199 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
200 | sds_ring = &recv_ctx->sds_rings[ring]; | |
201 | netif_napi_add(netdev, &sds_ring->napi, | |
202 | netxen_nic_poll, NETXEN_NETDEV_WEIGHT); | |
203 | } | |
71dcddbd DP |
204 | |
205 | return 0; | |
d8b100c5 DP |
206 | } |
207 | ||
232e7d68 DP |
208 | static void |
209 | netxen_napi_del(struct netxen_adapter *adapter) | |
210 | { | |
211 | int ring; | |
212 | struct nx_host_sds_ring *sds_ring; | |
213 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; | |
214 | ||
215 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
216 | sds_ring = &recv_ctx->sds_rings[ring]; | |
217 | netif_napi_del(&sds_ring->napi); | |
218 | } | |
219 | ||
220 | netxen_free_sds_rings(&adapter->recv_ctx); | |
221 | } | |
222 | ||
d8b100c5 DP |
223 | static void |
224 | netxen_napi_enable(struct netxen_adapter *adapter) | |
225 | { | |
226 | int ring; | |
227 | struct nx_host_sds_ring *sds_ring; | |
228 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; | |
229 | ||
230 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
231 | sds_ring = &recv_ctx->sds_rings[ring]; | |
232 | napi_enable(&sds_ring->napi); | |
233 | netxen_nic_enable_int(sds_ring); | |
234 | } | |
235 | } | |
236 | ||
237 | static void | |
238 | netxen_napi_disable(struct netxen_adapter *adapter) | |
239 | { | |
240 | int ring; | |
241 | struct nx_host_sds_ring *sds_ring; | |
242 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; | |
243 | ||
244 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
245 | sds_ring = &recv_ctx->sds_rings[ring]; | |
be339aee | 246 | netxen_nic_disable_int(sds_ring); |
b2af9cb0 DP |
247 | napi_synchronize(&sds_ring->napi); |
248 | napi_disable(&sds_ring->napi); | |
d8b100c5 DP |
249 | } |
250 | } | |
251 | ||
50c643e7 | 252 | static int nx_set_dma_mask(struct netxen_adapter *adapter) |
2956640d DP |
253 | { |
254 | struct pci_dev *pdev = adapter->pdev; | |
1f434f63 DP |
255 | uint64_t mask, cmask; |
256 | ||
257 | adapter->pci_using_dac = 0; | |
2956640d | 258 | |
6afd142f | 259 | mask = DMA_BIT_MASK(32); |
6afd142f | 260 | cmask = DMA_BIT_MASK(32); |
1f434f63 | 261 | |
50c643e7 | 262 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { |
1f434f63 | 263 | #ifndef CONFIG_IA64 |
6afd142f | 264 | mask = DMA_BIT_MASK(35); |
1f434f63 | 265 | #endif |
50c643e7 DP |
266 | } else { |
267 | mask = DMA_BIT_MASK(39); | |
268 | cmask = mask; | |
269 | } | |
270 | ||
2956640d | 271 | if (pci_set_dma_mask(pdev, mask) == 0 && |
1f434f63 | 272 | pci_set_consistent_dma_mask(pdev, cmask) == 0) { |
2956640d DP |
273 | adapter->pci_using_dac = 1; |
274 | return 0; | |
275 | } | |
2956640d | 276 | |
1f434f63 DP |
277 | return -EIO; |
278 | } | |
279 | ||
280 | /* Update addressable range if firmware supports it */ | |
281 | static int | |
282 | nx_update_dma_mask(struct netxen_adapter *adapter) | |
283 | { | |
284 | int change, shift, err; | |
50c643e7 | 285 | uint64_t mask, old_mask, old_cmask; |
1f434f63 DP |
286 | struct pci_dev *pdev = adapter->pdev; |
287 | ||
288 | change = 0; | |
289 | ||
f98a9f69 | 290 | shift = NXRD32(adapter, CRB_DMA_SHIFT); |
f60f7856 | 291 | if (shift > 32) |
1f434f63 DP |
292 | return 0; |
293 | ||
294 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id) && (shift > 9)) | |
295 | change = 1; | |
296 | else if ((adapter->ahw.revision_id == NX_P2_C1) && (shift <= 4)) | |
297 | change = 1; | |
298 | ||
299 | if (change) { | |
300 | old_mask = pdev->dma_mask; | |
50c643e7 DP |
301 | old_cmask = pdev->dev.coherent_dma_mask; |
302 | ||
f60f7856 | 303 | mask = DMA_BIT_MASK(32+shift); |
1f434f63 DP |
304 | |
305 | err = pci_set_dma_mask(pdev, mask); | |
306 | if (err) | |
50c643e7 DP |
307 | goto err_out; |
308 | ||
309 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { | |
310 | ||
311 | err = pci_set_consistent_dma_mask(pdev, mask); | |
312 | if (err) | |
313 | goto err_out; | |
314 | } | |
315 | dev_info(&pdev->dev, "using %d-bit dma mask\n", 32+shift); | |
2956640d DP |
316 | } |
317 | ||
2956640d | 318 | return 0; |
50c643e7 DP |
319 | |
320 | err_out: | |
321 | pci_set_dma_mask(pdev, old_mask); | |
322 | pci_set_consistent_dma_mask(pdev, old_cmask); | |
323 | return err; | |
2956640d DP |
324 | } |
325 | ||
2956640d DP |
326 | static int |
327 | netxen_check_hw_init(struct netxen_adapter *adapter, int first_boot) | |
328 | { | |
27c915a4 | 329 | u32 val, timeout; |
2956640d DP |
330 | |
331 | if (first_boot == 0x55555555) { | |
332 | /* This is the first boot after power up */ | |
f98a9f69 | 333 | NXWR32(adapter, NETXEN_CAM_RAM(0x1fc), NETXEN_BDINFO_MAGIC); |
27c915a4 DP |
334 | |
335 | if (!NX_IS_REVISION_P2(adapter->ahw.revision_id)) | |
336 | return 0; | |
2956640d DP |
337 | |
338 | /* PCI bus master workaround */ | |
f98a9f69 | 339 | first_boot = NXRD32(adapter, NETXEN_PCIE_REG(0x4)); |
2956640d DP |
340 | if (!(first_boot & 0x4)) { |
341 | first_boot |= 0x4; | |
f98a9f69 DP |
342 | NXWR32(adapter, NETXEN_PCIE_REG(0x4), first_boot); |
343 | first_boot = NXRD32(adapter, NETXEN_PCIE_REG(0x4)); | |
2956640d DP |
344 | } |
345 | ||
346 | /* This is the first boot after power up */ | |
f98a9f69 | 347 | first_boot = NXRD32(adapter, NETXEN_ROMUSB_GLB_SW_RESET); |
2956640d DP |
348 | if (first_boot != 0x80000f) { |
349 | /* clear the register for future unloads/loads */ | |
f98a9f69 | 350 | NXWR32(adapter, NETXEN_CAM_RAM(0x1fc), 0); |
27c915a4 | 351 | return -EIO; |
2956640d DP |
352 | } |
353 | ||
27c915a4 | 354 | /* Start P2 boot loader */ |
f98a9f69 DP |
355 | val = NXRD32(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE); |
356 | NXWR32(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE, val | 0x1); | |
27c915a4 DP |
357 | timeout = 0; |
358 | do { | |
359 | msleep(1); | |
f98a9f69 | 360 | val = NXRD32(adapter, NETXEN_CAM_RAM(0x1fc)); |
27c915a4 DP |
361 | |
362 | if (++timeout > 5000) | |
363 | return -EIO; | |
364 | ||
365 | } while (val == NETXEN_BDINFO_MAGIC); | |
2956640d | 366 | } |
27c915a4 | 367 | return 0; |
2956640d DP |
368 | } |
369 | ||
370 | static void netxen_set_port_mode(struct netxen_adapter *adapter) | |
371 | { | |
372 | u32 val, data; | |
373 | ||
1e2d0059 | 374 | val = adapter->ahw.board_type; |
2956640d DP |
375 | if ((val == NETXEN_BRDTYPE_P3_HMEZ) || |
376 | (val == NETXEN_BRDTYPE_P3_XG_LOM)) { | |
377 | if (port_mode == NETXEN_PORT_MODE_802_3_AP) { | |
378 | data = NETXEN_PORT_MODE_802_3_AP; | |
f98a9f69 | 379 | NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data); |
2956640d DP |
380 | } else if (port_mode == NETXEN_PORT_MODE_XG) { |
381 | data = NETXEN_PORT_MODE_XG; | |
f98a9f69 | 382 | NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data); |
2956640d DP |
383 | } else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_1G) { |
384 | data = NETXEN_PORT_MODE_AUTO_NEG_1G; | |
f98a9f69 | 385 | NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data); |
2956640d DP |
386 | } else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_XG) { |
387 | data = NETXEN_PORT_MODE_AUTO_NEG_XG; | |
f98a9f69 | 388 | NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data); |
2956640d DP |
389 | } else { |
390 | data = NETXEN_PORT_MODE_AUTO_NEG; | |
f98a9f69 | 391 | NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data); |
2956640d DP |
392 | } |
393 | ||
394 | if ((wol_port_mode != NETXEN_PORT_MODE_802_3_AP) && | |
395 | (wol_port_mode != NETXEN_PORT_MODE_XG) && | |
396 | (wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_1G) && | |
397 | (wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_XG)) { | |
398 | wol_port_mode = NETXEN_PORT_MODE_AUTO_NEG; | |
399 | } | |
f98a9f69 | 400 | NXWR32(adapter, NETXEN_WOL_PORT_MODE, wol_port_mode); |
2956640d DP |
401 | } |
402 | } | |
403 | ||
2956640d DP |
404 | static void netxen_set_msix_bit(struct pci_dev *pdev, int enable) |
405 | { | |
406 | u32 control; | |
407 | int pos; | |
408 | ||
409 | pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX); | |
410 | if (pos) { | |
411 | pci_read_config_dword(pdev, pos, &control); | |
412 | if (enable) | |
413 | control |= PCI_MSIX_FLAGS_ENABLE; | |
414 | else | |
415 | control = 0; | |
416 | pci_write_config_dword(pdev, pos, control); | |
417 | } | |
418 | } | |
419 | ||
be339aee | 420 | static void netxen_init_msix_entries(struct netxen_adapter *adapter, int count) |
2956640d DP |
421 | { |
422 | int i; | |
423 | ||
be339aee | 424 | for (i = 0; i < count; i++) |
2956640d DP |
425 | adapter->msix_entries[i].entry = i; |
426 | } | |
427 | ||
9dc28efe DP |
428 | static int |
429 | netxen_read_mac_addr(struct netxen_adapter *adapter) | |
430 | { | |
431 | int i; | |
432 | unsigned char *p; | |
433 | __le64 mac_addr; | |
9dc28efe DP |
434 | struct net_device *netdev = adapter->netdev; |
435 | struct pci_dev *pdev = adapter->pdev; | |
436 | ||
9dc28efe DP |
437 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { |
438 | if (netxen_p3_get_mac_addr(adapter, &mac_addr) != 0) | |
439 | return -EIO; | |
440 | } else { | |
441 | if (netxen_get_flash_mac_addr(adapter, &mac_addr) != 0) | |
442 | return -EIO; | |
443 | } | |
444 | ||
445 | p = (unsigned char *)&mac_addr; | |
446 | for (i = 0; i < 6; i++) | |
447 | netdev->dev_addr[i] = *(p + 5 - i); | |
448 | ||
449 | memcpy(netdev->perm_addr, netdev->dev_addr, netdev->addr_len); | |
5d09e534 | 450 | memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len); |
9dc28efe DP |
451 | |
452 | /* set station address */ | |
453 | ||
e174961c JB |
454 | if (!is_valid_ether_addr(netdev->perm_addr)) |
455 | dev_warn(&pdev->dev, "Bad MAC address %pM.\n", netdev->dev_addr); | |
9dc28efe DP |
456 | |
457 | return 0; | |
458 | } | |
459 | ||
3d0a3cc9 DP |
460 | int netxen_nic_set_mac(struct net_device *netdev, void *p) |
461 | { | |
462 | struct netxen_adapter *adapter = netdev_priv(netdev); | |
463 | struct sockaddr *addr = p; | |
464 | ||
465 | if (!is_valid_ether_addr(addr->sa_data)) | |
466 | return -EINVAL; | |
467 | ||
468 | if (netif_running(netdev)) { | |
469 | netif_device_detach(netdev); | |
470 | netxen_napi_disable(adapter); | |
471 | } | |
472 | ||
5d09e534 | 473 | memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len); |
3d0a3cc9 DP |
474 | memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); |
475 | adapter->macaddr_set(adapter, addr->sa_data); | |
476 | ||
477 | if (netif_running(netdev)) { | |
478 | netif_device_attach(netdev); | |
479 | netxen_napi_enable(adapter); | |
480 | } | |
481 | return 0; | |
482 | } | |
483 | ||
1abd266f SH |
484 | static void netxen_set_multicast_list(struct net_device *dev) |
485 | { | |
486 | struct netxen_adapter *adapter = netdev_priv(dev); | |
487 | ||
3d0a3cc9 | 488 | adapter->set_multi(dev); |
1abd266f SH |
489 | } |
490 | ||
491 | static const struct net_device_ops netxen_netdev_ops = { | |
492 | .ndo_open = netxen_nic_open, | |
493 | .ndo_stop = netxen_nic_close, | |
494 | .ndo_start_xmit = netxen_nic_xmit_frame, | |
495 | .ndo_get_stats = netxen_nic_get_stats, | |
496 | .ndo_validate_addr = eth_validate_addr, | |
497 | .ndo_set_multicast_list = netxen_set_multicast_list, | |
498 | .ndo_set_mac_address = netxen_nic_set_mac, | |
499 | .ndo_change_mtu = netxen_nic_change_mtu, | |
500 | .ndo_tx_timeout = netxen_tx_timeout, | |
501 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
502 | .ndo_poll_controller = netxen_nic_poll_controller, | |
503 | #endif | |
504 | }; | |
505 | ||
97daee83 DP |
506 | static void |
507 | netxen_setup_intr(struct netxen_adapter *adapter) | |
508 | { | |
509 | struct netxen_legacy_intr_set *legacy_intrp; | |
510 | struct pci_dev *pdev = adapter->pdev; | |
be339aee DP |
511 | int err, num_msix; |
512 | ||
513 | if (adapter->rss_supported) { | |
514 | num_msix = (num_online_cpus() >= MSIX_ENTRIES_PER_ADAPTER) ? | |
515 | MSIX_ENTRIES_PER_ADAPTER : 2; | |
516 | } else | |
517 | num_msix = 1; | |
518 | ||
519 | adapter->max_sds_rings = 1; | |
97daee83 DP |
520 | |
521 | adapter->flags &= ~(NETXEN_NIC_MSI_ENABLED | NETXEN_NIC_MSIX_ENABLED); | |
97daee83 DP |
522 | |
523 | if (adapter->ahw.revision_id >= NX_P3_B0) | |
524 | legacy_intrp = &legacy_intr[adapter->ahw.pci_func]; | |
525 | else | |
526 | legacy_intrp = &legacy_intr[0]; | |
195c5f98 AKS |
527 | |
528 | adapter->int_vec_bit = legacy_intrp->int_vec_bit; | |
529 | adapter->tgt_status_reg = netxen_get_ioaddr(adapter, | |
530 | legacy_intrp->tgt_status_reg); | |
531 | adapter->tgt_mask_reg = netxen_get_ioaddr(adapter, | |
532 | legacy_intrp->tgt_mask_reg); | |
533 | adapter->pci_int_reg = netxen_get_ioaddr(adapter, | |
534 | legacy_intrp->pci_int_reg); | |
535 | adapter->isr_int_vec = netxen_get_ioaddr(adapter, ISR_INT_VECTOR); | |
536 | ||
537 | if (adapter->ahw.revision_id >= NX_P3_B1) | |
538 | adapter->crb_int_state_reg = netxen_get_ioaddr(adapter, | |
539 | ISR_INT_STATE_REG); | |
540 | else | |
541 | adapter->crb_int_state_reg = netxen_get_ioaddr(adapter, | |
542 | CRB_INT_VECTOR); | |
97daee83 DP |
543 | |
544 | netxen_set_msix_bit(pdev, 0); | |
545 | ||
546 | if (adapter->msix_supported) { | |
547 | ||
be339aee DP |
548 | netxen_init_msix_entries(adapter, num_msix); |
549 | err = pci_enable_msix(pdev, adapter->msix_entries, num_msix); | |
550 | if (err == 0) { | |
551 | adapter->flags |= NETXEN_NIC_MSIX_ENABLED; | |
552 | netxen_set_msix_bit(pdev, 1); | |
97daee83 | 553 | |
be339aee DP |
554 | if (adapter->rss_supported) |
555 | adapter->max_sds_rings = num_msix; | |
97daee83 | 556 | |
be339aee DP |
557 | dev_info(&pdev->dev, "using msi-x interrupts\n"); |
558 | return; | |
559 | } | |
560 | ||
561 | if (err > 0) | |
562 | pci_disable_msix(pdev); | |
563 | ||
564 | /* fall through for msi */ | |
97daee83 | 565 | } |
be339aee DP |
566 | |
567 | if (use_msi && !pci_enable_msi(pdev)) { | |
568 | adapter->flags |= NETXEN_NIC_MSI_ENABLED; | |
195c5f98 AKS |
569 | adapter->tgt_status_reg = netxen_get_ioaddr(adapter, |
570 | msi_tgt_status[adapter->ahw.pci_func]); | |
be339aee | 571 | dev_info(&pdev->dev, "using msi interrupts\n"); |
f67f3408 | 572 | adapter->msix_entries[0].vector = pdev->irq; |
be339aee DP |
573 | return; |
574 | } | |
575 | ||
576 | dev_info(&pdev->dev, "using legacy interrupts\n"); | |
577 | adapter->msix_entries[0].vector = pdev->irq; | |
97daee83 DP |
578 | } |
579 | ||
580 | static void | |
581 | netxen_teardown_intr(struct netxen_adapter *adapter) | |
582 | { | |
583 | if (adapter->flags & NETXEN_NIC_MSIX_ENABLED) | |
584 | pci_disable_msix(adapter->pdev); | |
585 | if (adapter->flags & NETXEN_NIC_MSI_ENABLED) | |
586 | pci_disable_msi(adapter->pdev); | |
587 | } | |
588 | ||
589 | static void | |
590 | netxen_cleanup_pci_map(struct netxen_adapter *adapter) | |
591 | { | |
592 | if (adapter->ahw.db_base != NULL) | |
593 | iounmap(adapter->ahw.db_base); | |
594 | if (adapter->ahw.pci_base0 != NULL) | |
595 | iounmap(adapter->ahw.pci_base0); | |
596 | if (adapter->ahw.pci_base1 != NULL) | |
597 | iounmap(adapter->ahw.pci_base1); | |
598 | if (adapter->ahw.pci_base2 != NULL) | |
599 | iounmap(adapter->ahw.pci_base2); | |
600 | } | |
601 | ||
602 | static int | |
603 | netxen_setup_pci_map(struct netxen_adapter *adapter) | |
604 | { | |
605 | void __iomem *mem_ptr0 = NULL; | |
606 | void __iomem *mem_ptr1 = NULL; | |
607 | void __iomem *mem_ptr2 = NULL; | |
608 | void __iomem *db_ptr = NULL; | |
609 | ||
71fb62fb DP |
610 | resource_size_t mem_base, db_base; |
611 | unsigned long mem_len, db_len = 0, pci_len0 = 0; | |
97daee83 DP |
612 | |
613 | struct pci_dev *pdev = adapter->pdev; | |
614 | int pci_func = adapter->ahw.pci_func; | |
615 | ||
616 | int err = 0; | |
617 | ||
618 | /* | |
619 | * Set the CRB window to invalid. If any register in window 0 is | |
620 | * accessed it should set the window to 0 and then reset it to 1. | |
621 | */ | |
907fa120 | 622 | adapter->ahw.crb_win = -1; |
47abe356 | 623 | adapter->ahw.ocm_win = -1; |
97daee83 DP |
624 | |
625 | /* remap phys address */ | |
626 | mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */ | |
627 | mem_len = pci_resource_len(pdev, 0); | |
97daee83 | 628 | |
97daee83 DP |
629 | /* 128 Meg of memory */ |
630 | if (mem_len == NETXEN_PCI_128MB_SIZE) { | |
631 | mem_ptr0 = ioremap(mem_base, FIRST_PAGE_GROUP_SIZE); | |
632 | mem_ptr1 = ioremap(mem_base + SECOND_PAGE_GROUP_START, | |
633 | SECOND_PAGE_GROUP_SIZE); | |
634 | mem_ptr2 = ioremap(mem_base + THIRD_PAGE_GROUP_START, | |
635 | THIRD_PAGE_GROUP_SIZE); | |
47abe356 | 636 | pci_len0 = FIRST_PAGE_GROUP_SIZE; |
97daee83 DP |
637 | } else if (mem_len == NETXEN_PCI_32MB_SIZE) { |
638 | mem_ptr1 = ioremap(mem_base, SECOND_PAGE_GROUP_SIZE); | |
639 | mem_ptr2 = ioremap(mem_base + THIRD_PAGE_GROUP_START - | |
640 | SECOND_PAGE_GROUP_START, THIRD_PAGE_GROUP_SIZE); | |
97daee83 | 641 | } else if (mem_len == NETXEN_PCI_2MB_SIZE) { |
97daee83 DP |
642 | |
643 | mem_ptr0 = pci_ioremap_bar(pdev, 0); | |
644 | if (mem_ptr0 == NULL) { | |
645 | dev_err(&pdev->dev, "failed to map PCI bar 0\n"); | |
646 | return -EIO; | |
647 | } | |
648 | pci_len0 = mem_len; | |
97daee83 DP |
649 | } else { |
650 | return -EIO; | |
651 | } | |
652 | ||
195c5f98 AKS |
653 | netxen_setup_hwops(adapter); |
654 | ||
97daee83 DP |
655 | dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20)); |
656 | ||
657 | adapter->ahw.pci_base0 = mem_ptr0; | |
658 | adapter->ahw.pci_len0 = pci_len0; | |
97daee83 DP |
659 | adapter->ahw.pci_base1 = mem_ptr1; |
660 | adapter->ahw.pci_base2 = mem_ptr2; | |
661 | ||
6abb4b83 AKS |
662 | if (NX_IS_REVISION_P3P(adapter->ahw.revision_id)) { |
663 | adapter->ahw.ocm_win_crb = netxen_get_ioaddr(adapter, | |
664 | NETXEN_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(pci_func))); | |
665 | ||
666 | } else if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { | |
47abe356 DP |
667 | adapter->ahw.ocm_win_crb = netxen_get_ioaddr(adapter, |
668 | NETXEN_PCIX_PS_REG(PCIE_MN_WINDOW_REG(pci_func))); | |
669 | } | |
670 | ||
97daee83 DP |
671 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) |
672 | goto skip_doorbell; | |
673 | ||
674 | db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */ | |
675 | db_len = pci_resource_len(pdev, 4); | |
676 | ||
677 | if (db_len == 0) { | |
678 | printk(KERN_ERR "%s: doorbell is disabled\n", | |
679 | netxen_nic_driver_name); | |
680 | err = -EIO; | |
681 | goto err_out; | |
682 | } | |
683 | ||
684 | db_ptr = ioremap(db_base, NETXEN_DB_MAPSIZE_BYTES); | |
685 | if (!db_ptr) { | |
686 | printk(KERN_ERR "%s: Failed to allocate doorbell map.", | |
687 | netxen_nic_driver_name); | |
688 | err = -EIO; | |
689 | goto err_out; | |
690 | } | |
691 | ||
692 | skip_doorbell: | |
693 | adapter->ahw.db_base = db_ptr; | |
694 | adapter->ahw.db_len = db_len; | |
695 | return 0; | |
696 | ||
697 | err_out: | |
698 | netxen_cleanup_pci_map(adapter); | |
699 | return err; | |
700 | } | |
701 | ||
2b9e62ee DP |
702 | static void |
703 | netxen_check_options(struct netxen_adapter *adapter) | |
704 | { | |
705 | u32 fw_major, fw_minor, fw_build; | |
706 | char brd_name[NETXEN_MAX_SHORT_NAME]; | |
707 | char serial_num[32]; | |
708 | int i, offset, val; | |
709 | int *ptr32; | |
710 | struct pci_dev *pdev = adapter->pdev; | |
711 | ||
712 | adapter->driver_mismatch = 0; | |
713 | ||
714 | ptr32 = (int *)&serial_num; | |
715 | offset = NX_FW_SERIAL_NUM_OFFSET; | |
716 | for (i = 0; i < 8; i++) { | |
717 | if (netxen_rom_fast_read(adapter, offset, &val) == -1) { | |
718 | dev_err(&pdev->dev, "error reading board info\n"); | |
719 | adapter->driver_mismatch = 1; | |
720 | return; | |
721 | } | |
722 | ptr32[i] = cpu_to_le32(val); | |
723 | offset += sizeof(u32); | |
724 | } | |
725 | ||
726 | fw_major = NXRD32(adapter, NETXEN_FW_VERSION_MAJOR); | |
727 | fw_minor = NXRD32(adapter, NETXEN_FW_VERSION_MINOR); | |
728 | fw_build = NXRD32(adapter, NETXEN_FW_VERSION_SUB); | |
729 | ||
730 | adapter->fw_version = NETXEN_VERSION_CODE(fw_major, fw_minor, fw_build); | |
731 | ||
732 | if (adapter->portnum == 0) { | |
733 | get_brd_name_by_type(adapter->ahw.board_type, brd_name); | |
734 | ||
c25c0b9b DP |
735 | pr_info("%s: %s Board S/N %s Chip rev 0x%x\n", |
736 | module_name(THIS_MODULE), | |
2b9e62ee DP |
737 | brd_name, serial_num, adapter->ahw.revision_id); |
738 | } | |
739 | ||
740 | if (adapter->fw_version < NETXEN_VERSION_CODE(3, 4, 216)) { | |
741 | adapter->driver_mismatch = 1; | |
742 | dev_warn(&pdev->dev, "firmware version %d.%d.%d unsupported\n", | |
743 | fw_major, fw_minor, fw_build); | |
744 | return; | |
745 | } | |
746 | ||
747 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { | |
748 | i = NXRD32(adapter, NETXEN_SRE_MISC); | |
749 | adapter->ahw.cut_through = (i & 0x8000) ? 1 : 0; | |
750 | } | |
751 | ||
752 | dev_info(&pdev->dev, "firmware v%d.%d.%d [%s]\n", | |
753 | fw_major, fw_minor, fw_build, | |
754 | adapter->ahw.cut_through ? "cut-through" : "legacy"); | |
755 | ||
756 | if (adapter->fw_version >= NETXEN_VERSION_CODE(4, 0, 222)) | |
757 | adapter->capabilities = NXRD32(adapter, CRB_FW_CAPABILITIES_1); | |
758 | ||
759 | adapter->flags &= ~NETXEN_NIC_LRO_ENABLED; | |
760 | ||
761 | if (adapter->ahw.port_type == NETXEN_NIC_XGBE) { | |
762 | adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G; | |
763 | adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; | |
764 | } else if (adapter->ahw.port_type == NETXEN_NIC_GBE) { | |
765 | adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; | |
766 | adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; | |
767 | } | |
768 | ||
769 | adapter->msix_supported = 0; | |
770 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { | |
771 | adapter->msix_supported = !!use_msi_x; | |
772 | adapter->rss_supported = !!use_msi_x; | |
773 | } else if (adapter->fw_version >= NETXEN_VERSION_CODE(3, 4, 336)) { | |
774 | switch (adapter->ahw.board_type) { | |
775 | case NETXEN_BRDTYPE_P2_SB31_10G: | |
776 | case NETXEN_BRDTYPE_P2_SB31_10G_CX4: | |
777 | adapter->msix_supported = !!use_msi_x; | |
778 | adapter->rss_supported = !!use_msi_x; | |
779 | break; | |
780 | default: | |
781 | break; | |
782 | } | |
783 | } | |
784 | ||
785 | adapter->num_txd = MAX_CMD_DESCRIPTORS; | |
786 | ||
787 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { | |
788 | adapter->num_lro_rxd = MAX_LRO_RCV_DESCRIPTORS; | |
789 | adapter->max_rds_rings = 3; | |
790 | } else { | |
791 | adapter->num_lro_rxd = 0; | |
792 | adapter->max_rds_rings = 2; | |
793 | } | |
794 | } | |
795 | ||
ba599d4f | 796 | static int |
6a581e93 | 797 | netxen_start_firmware(struct netxen_adapter *adapter) |
ba599d4f DP |
798 | { |
799 | int val, err, first_boot; | |
800 | struct pci_dev *pdev = adapter->pdev; | |
801 | ||
2b9e62ee DP |
802 | /* required for NX2031 dummy dma */ |
803 | err = nx_set_dma_mask(adapter); | |
804 | if (err) | |
805 | return err; | |
806 | ||
6a581e93 | 807 | if (!netxen_can_start_firmware(adapter)) |
96f2ebd2 | 808 | goto wait_init; |
0b72e659 | 809 | |
f98a9f69 | 810 | first_boot = NXRD32(adapter, NETXEN_CAM_RAM(0x1fc)); |
ba599d4f DP |
811 | |
812 | err = netxen_check_hw_init(adapter, first_boot); | |
813 | if (err) { | |
814 | dev_err(&pdev->dev, "error in init HW init sequence\n"); | |
815 | return err; | |
816 | } | |
817 | ||
6a581e93 | 818 | netxen_request_firmware(adapter); |
f7185c71 | 819 | |
67c38fc6 | 820 | err = netxen_need_fw_reset(adapter); |
1dbc84a7 | 821 | if (err < 0) |
db4cfd8a | 822 | goto err_out; |
1dbc84a7 | 823 | if (err == 0) |
8f9b3f69 | 824 | goto wait_init; |
67c38fc6 | 825 | |
ba599d4f | 826 | if (first_boot != 0x55555555) { |
f98a9f69 | 827 | NXWR32(adapter, CRB_CMDPEG_STATE, 0); |
0be367bd | 828 | netxen_pinit_from_rom(adapter); |
ba599d4f DP |
829 | msleep(1); |
830 | } | |
567c6c4e | 831 | |
f98a9f69 | 832 | NXWR32(adapter, CRB_DMA_SHIFT, 0x55555555); |
6a581e93 DP |
833 | NXWR32(adapter, NETXEN_PEG_HALT_STATUS1, 0); |
834 | NXWR32(adapter, NETXEN_PEG_HALT_STATUS2, 0); | |
835 | ||
567c6c4e DP |
836 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) |
837 | netxen_set_port_mode(adapter); | |
838 | ||
db4cfd8a DP |
839 | err = netxen_load_firmware(adapter); |
840 | if (err) | |
841 | goto err_out; | |
ba599d4f | 842 | |
6a581e93 DP |
843 | netxen_release_firmware(adapter); |
844 | ||
ba599d4f DP |
845 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { |
846 | ||
847 | /* Initialize multicast addr pool owners */ | |
848 | val = 0x7654; | |
1e2d0059 | 849 | if (adapter->ahw.port_type == NETXEN_NIC_XGBE) |
ba599d4f | 850 | val |= 0x0f000000; |
f98a9f69 | 851 | NXWR32(adapter, NETXEN_MAC_ADDR_CNTL_REG, val); |
ba599d4f DP |
852 | |
853 | } | |
854 | ||
83ac51fa | 855 | err = netxen_init_dummy_dma(adapter); |
ba599d4f | 856 | if (err) |
db4cfd8a | 857 | goto err_out; |
ba599d4f DP |
858 | |
859 | /* | |
860 | * Tell the hardware our version number. | |
861 | */ | |
862 | val = (_NETXEN_NIC_LINUX_MAJOR << 16) | |
863 | | ((_NETXEN_NIC_LINUX_MINOR << 8)) | |
864 | | (_NETXEN_NIC_LINUX_SUBVERSION); | |
f98a9f69 | 865 | NXWR32(adapter, CRB_DRIVER_VERSION, val); |
ba599d4f | 866 | |
96f2ebd2 | 867 | wait_init: |
ba599d4f DP |
868 | /* Handshake with the card before we register the devices. */ |
869 | err = netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE); | |
870 | if (err) { | |
83ac51fa | 871 | netxen_free_dummy_dma(adapter); |
db4cfd8a | 872 | goto err_out; |
ba599d4f DP |
873 | } |
874 | ||
8f9b3f69 AKS |
875 | NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_READY); |
876 | ||
68b3cae0 DP |
877 | nx_update_dma_mask(adapter); |
878 | ||
6a581e93 | 879 | netxen_check_options(adapter); |
68b3cae0 | 880 | |
74c520da AKS |
881 | adapter->need_fw_reset = 0; |
882 | ||
ec5c50cb | 883 | /* fall through and release firmware */ |
db4cfd8a DP |
884 | |
885 | err_out: | |
886 | netxen_release_firmware(adapter); | |
887 | return err; | |
ba599d4f DP |
888 | } |
889 | ||
9f5bc7f1 DP |
890 | static int |
891 | netxen_nic_request_irq(struct netxen_adapter *adapter) | |
892 | { | |
893 | irq_handler_t handler; | |
d8b100c5 DP |
894 | struct nx_host_sds_ring *sds_ring; |
895 | int err, ring; | |
896 | ||
9f5bc7f1 DP |
897 | unsigned long flags = IRQF_SAMPLE_RANDOM; |
898 | struct net_device *netdev = adapter->netdev; | |
d8b100c5 | 899 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; |
9f5bc7f1 | 900 | |
9f5bc7f1 DP |
901 | if (adapter->flags & NETXEN_NIC_MSIX_ENABLED) |
902 | handler = netxen_msix_intr; | |
903 | else if (adapter->flags & NETXEN_NIC_MSI_ENABLED) | |
904 | handler = netxen_msi_intr; | |
905 | else { | |
906 | flags |= IRQF_SHARED; | |
907 | handler = netxen_intr; | |
908 | } | |
909 | adapter->irq = netdev->irq; | |
910 | ||
d8b100c5 DP |
911 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
912 | sds_ring = &recv_ctx->sds_rings[ring]; | |
be339aee | 913 | sprintf(sds_ring->name, "%s[%d]", netdev->name, ring); |
d8b100c5 DP |
914 | err = request_irq(sds_ring->irq, handler, |
915 | flags, sds_ring->name, sds_ring); | |
916 | if (err) | |
917 | return err; | |
918 | } | |
919 | ||
920 | return 0; | |
921 | } | |
922 | ||
923 | static void | |
924 | netxen_nic_free_irq(struct netxen_adapter *adapter) | |
925 | { | |
926 | int ring; | |
927 | struct nx_host_sds_ring *sds_ring; | |
928 | ||
929 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; | |
930 | ||
931 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
932 | sds_ring = &recv_ctx->sds_rings[ring]; | |
933 | free_irq(sds_ring->irq, sds_ring); | |
934 | } | |
9f5bc7f1 DP |
935 | } |
936 | ||
ca2ef330 DP |
937 | static void |
938 | netxen_nic_init_coalesce_defaults(struct netxen_adapter *adapter) | |
939 | { | |
940 | adapter->coal.flags = NETXEN_NIC_INTR_DEFAULT; | |
941 | adapter->coal.normal.data.rx_time_us = | |
942 | NETXEN_DEFAULT_INTR_COALESCE_RX_TIME_US; | |
943 | adapter->coal.normal.data.rx_packets = | |
944 | NETXEN_DEFAULT_INTR_COALESCE_RX_PACKETS; | |
945 | adapter->coal.normal.data.tx_time_us = | |
946 | NETXEN_DEFAULT_INTR_COALESCE_TX_TIME_US; | |
947 | adapter->coal.normal.data.tx_packets = | |
948 | NETXEN_DEFAULT_INTR_COALESCE_TX_PACKETS; | |
949 | } | |
950 | ||
6f771419 | 951 | /* with rtnl_lock */ |
9f5bc7f1 | 952 | static int |
6f771419 | 953 | __netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev) |
9f5bc7f1 DP |
954 | { |
955 | int err; | |
956 | ||
db4cfd8a DP |
957 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) |
958 | return -EIO; | |
959 | ||
9f5bc7f1 DP |
960 | err = adapter->init_port(adapter, adapter->physical_port); |
961 | if (err) { | |
962 | printk(KERN_ERR "%s: Failed to initialize port %d\n", | |
963 | netxen_nic_driver_name, adapter->portnum); | |
964 | return err; | |
965 | } | |
3d0a3cc9 | 966 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) |
5d09e534 | 967 | adapter->macaddr_set(adapter, adapter->mac_addr); |
9f5bc7f1 | 968 | |
3d0a3cc9 DP |
969 | adapter->set_multi(netdev); |
970 | adapter->set_mtu(adapter, netdev->mtu); | |
9f5bc7f1 DP |
971 | |
972 | adapter->ahw.linkup = 0; | |
9f5bc7f1 | 973 | |
d8b100c5 DP |
974 | if (adapter->max_sds_rings > 1) |
975 | netxen_config_rss(adapter, 1); | |
9f5bc7f1 | 976 | |
ca2ef330 DP |
977 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) |
978 | netxen_config_intr_coalesce(adapter); | |
979 | ||
1bb482f8 NK |
980 | if (adapter->capabilities & NX_FW_CAPABILITY_HW_LRO) |
981 | netxen_config_hw_lro(adapter, NETXEN_NIC_LRO_ENABLED); | |
982 | ||
b2af9cb0 DP |
983 | netxen_napi_enable(adapter); |
984 | ||
5103c9f7 | 985 | if (adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION) |
3bf26ce3 | 986 | netxen_linkevent_request(adapter, 1); |
3d0a3cc9 DP |
987 | else |
988 | netxen_nic_set_link_parameters(adapter); | |
989 | ||
6a581e93 | 990 | set_bit(__NX_DEV_UP, &adapter->state); |
9f5bc7f1 DP |
991 | return 0; |
992 | } | |
993 | ||
6f771419 AKS |
994 | /* Usage: During resume and firmware recovery module.*/ |
995 | ||
996 | static inline int | |
997 | netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev) | |
998 | { | |
999 | int err = 0; | |
1000 | ||
1001 | rtnl_lock(); | |
1002 | if (netif_running(netdev)) | |
1003 | err = __netxen_nic_up(adapter, netdev); | |
1004 | rtnl_unlock(); | |
1005 | ||
1006 | return err; | |
1007 | } | |
1008 | ||
1009 | /* with rtnl_lock */ | |
9f5bc7f1 | 1010 | static void |
6f771419 | 1011 | __netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev) |
9f5bc7f1 | 1012 | { |
db4cfd8a DP |
1013 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) |
1014 | return; | |
1015 | ||
f2251f66 AKS |
1016 | if (!test_and_clear_bit(__NX_DEV_UP, &adapter->state)) |
1017 | return; | |
6a581e93 | 1018 | |
f2251f66 | 1019 | smp_mb(); |
b2af9cb0 | 1020 | spin_lock(&adapter->tx_clean_lock); |
9f5bc7f1 | 1021 | netif_carrier_off(netdev); |
b2af9cb0 | 1022 | netif_tx_disable(netdev); |
9f5bc7f1 DP |
1023 | |
1024 | if (adapter->stop_port) | |
1025 | adapter->stop_port(adapter); | |
1026 | ||
5cf4d323 DP |
1027 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) |
1028 | netxen_p3_free_mac_list(adapter); | |
1029 | ||
22b5794b AKS |
1030 | adapter->set_promisc(adapter, NETXEN_NIU_NON_PROMISC_MODE); |
1031 | ||
be339aee DP |
1032 | netxen_napi_disable(adapter); |
1033 | ||
9f5bc7f1 | 1034 | netxen_release_tx_buffers(adapter); |
b2af9cb0 | 1035 | spin_unlock(&adapter->tx_clean_lock); |
9f5bc7f1 DP |
1036 | } |
1037 | ||
6f771419 AKS |
1038 | /* Usage: During suspend and firmware recovery module */ |
1039 | ||
1040 | static inline void | |
1041 | netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev) | |
1042 | { | |
1043 | rtnl_lock(); | |
1044 | if (netif_running(netdev)) | |
1045 | __netxen_nic_down(adapter, netdev); | |
1046 | rtnl_unlock(); | |
1047 | ||
1048 | } | |
9f5bc7f1 DP |
1049 | |
1050 | static int | |
1051 | netxen_nic_attach(struct netxen_adapter *adapter) | |
1052 | { | |
1053 | struct net_device *netdev = adapter->netdev; | |
1054 | struct pci_dev *pdev = adapter->pdev; | |
becf46a0 | 1055 | int err, ring; |
d8b100c5 | 1056 | struct nx_host_rds_ring *rds_ring; |
d877f1e3 | 1057 | struct nx_host_tx_ring *tx_ring; |
9f5bc7f1 | 1058 | |
7042cd8f AKS |
1059 | if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) |
1060 | return 0; | |
1061 | ||
9f5bc7f1 | 1062 | err = netxen_init_firmware(adapter); |
232e7d68 DP |
1063 | if (err) |
1064 | return err; | |
1065 | ||
1066 | err = netxen_napi_add(adapter, netdev); | |
1067 | if (err) | |
1068 | return err; | |
9f5bc7f1 | 1069 | |
9f5bc7f1 DP |
1070 | err = netxen_alloc_sw_resources(adapter); |
1071 | if (err) { | |
1072 | printk(KERN_ERR "%s: Error in setting sw resources\n", | |
1073 | netdev->name); | |
1074 | return err; | |
1075 | } | |
1076 | ||
9f5bc7f1 DP |
1077 | err = netxen_alloc_hw_resources(adapter); |
1078 | if (err) { | |
1079 | printk(KERN_ERR "%s: Error in setting hw resources\n", | |
1080 | netdev->name); | |
1081 | goto err_out_free_sw; | |
1082 | } | |
1083 | ||
4f96b988 | 1084 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { |
4ea528a1 | 1085 | tx_ring = adapter->tx_ring; |
195c5f98 AKS |
1086 | tx_ring->crb_cmd_producer = netxen_get_ioaddr(adapter, |
1087 | crb_cmd_producer[adapter->portnum]); | |
1088 | tx_ring->crb_cmd_consumer = netxen_get_ioaddr(adapter, | |
1089 | crb_cmd_consumer[adapter->portnum]); | |
9f5bc7f1 | 1090 | |
cb2107be DP |
1091 | tx_ring->producer = 0; |
1092 | tx_ring->sw_consumer = 0; | |
1093 | ||
1094 | netxen_nic_update_cmd_producer(adapter, tx_ring); | |
1095 | netxen_nic_update_cmd_consumer(adapter, tx_ring); | |
9f5bc7f1 DP |
1096 | } |
1097 | ||
d8b100c5 DP |
1098 | for (ring = 0; ring < adapter->max_rds_rings; ring++) { |
1099 | rds_ring = &adapter->recv_ctx.rds_rings[ring]; | |
1100 | netxen_post_rx_buffers(adapter, ring, rds_ring); | |
1101 | } | |
9f5bc7f1 DP |
1102 | |
1103 | err = netxen_nic_request_irq(adapter); | |
1104 | if (err) { | |
1105 | dev_err(&pdev->dev, "%s: failed to setup interrupt\n", | |
1106 | netdev->name); | |
1107 | goto err_out_free_rxbuf; | |
1108 | } | |
1109 | ||
ca2ef330 DP |
1110 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) |
1111 | netxen_nic_init_coalesce_defaults(adapter); | |
1112 | ||
fa3ce355 NK |
1113 | netxen_create_sysfs_entries(adapter); |
1114 | ||
9f5bc7f1 DP |
1115 | adapter->is_up = NETXEN_ADAPTER_UP_MAGIC; |
1116 | return 0; | |
1117 | ||
1118 | err_out_free_rxbuf: | |
1119 | netxen_release_rx_buffers(adapter); | |
1120 | netxen_free_hw_resources(adapter); | |
1121 | err_out_free_sw: | |
1122 | netxen_free_sw_resources(adapter); | |
1123 | return err; | |
1124 | } | |
1125 | ||
1126 | static void | |
1127 | netxen_nic_detach(struct netxen_adapter *adapter) | |
1128 | { | |
7042cd8f AKS |
1129 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) |
1130 | return; | |
1131 | ||
fa3ce355 NK |
1132 | netxen_remove_sysfs_entries(adapter); |
1133 | ||
9f5bc7f1 | 1134 | netxen_free_hw_resources(adapter); |
cf981ffb | 1135 | netxen_release_rx_buffers(adapter); |
be339aee | 1136 | netxen_nic_free_irq(adapter); |
232e7d68 | 1137 | netxen_napi_del(adapter); |
9f5bc7f1 DP |
1138 | netxen_free_sw_resources(adapter); |
1139 | ||
1140 | adapter->is_up = 0; | |
1141 | } | |
1142 | ||
7042cd8f AKS |
1143 | int |
1144 | netxen_nic_reset_context(struct netxen_adapter *adapter) | |
1145 | { | |
1146 | int err = 0; | |
1147 | struct net_device *netdev = adapter->netdev; | |
1148 | ||
6a581e93 DP |
1149 | if (test_and_set_bit(__NX_RESETTING, &adapter->state)) |
1150 | return -EBUSY; | |
1151 | ||
7042cd8f AKS |
1152 | if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) { |
1153 | ||
6a581e93 DP |
1154 | netif_device_detach(netdev); |
1155 | ||
7042cd8f | 1156 | if (netif_running(netdev)) |
6f771419 | 1157 | __netxen_nic_down(adapter, netdev); |
7042cd8f AKS |
1158 | |
1159 | netxen_nic_detach(adapter); | |
1160 | ||
6a581e93 DP |
1161 | if (netif_running(netdev)) { |
1162 | err = netxen_nic_attach(adapter); | |
1163 | if (!err) | |
6f771419 | 1164 | err = __netxen_nic_up(adapter, netdev); |
7042cd8f | 1165 | |
6a581e93 DP |
1166 | if (err) |
1167 | goto done; | |
1168 | } | |
1169 | ||
1170 | netif_device_attach(netdev); | |
7042cd8f | 1171 | } |
6a581e93 | 1172 | |
7042cd8f | 1173 | done: |
6a581e93 | 1174 | clear_bit(__NX_RESETTING, &adapter->state); |
7042cd8f AKS |
1175 | return err; |
1176 | } | |
1177 | ||
f17443f4 DP |
1178 | static int |
1179 | netxen_setup_netdev(struct netxen_adapter *adapter, | |
1180 | struct net_device *netdev) | |
1181 | { | |
1182 | int err = 0; | |
1183 | struct pci_dev *pdev = adapter->pdev; | |
1184 | ||
1185 | adapter->rx_csum = 1; | |
1186 | adapter->mc_enabled = 0; | |
1187 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) | |
1188 | adapter->max_mc_count = 38; | |
1189 | else | |
1190 | adapter->max_mc_count = 16; | |
1191 | ||
1192 | netdev->netdev_ops = &netxen_netdev_ops; | |
1193 | netdev->watchdog_timeo = 2*HZ; | |
1194 | ||
1195 | netxen_nic_change_mtu(netdev, netdev->mtu); | |
1196 | ||
1197 | SET_ETHTOOL_OPS(netdev, &netxen_nic_ethtool_ops); | |
1198 | ||
1199 | netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO); | |
1200 | netdev->features |= (NETIF_F_GRO); | |
1201 | netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO); | |
1202 | ||
1203 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { | |
1204 | netdev->features |= (NETIF_F_IPV6_CSUM | NETIF_F_TSO6); | |
1205 | netdev->vlan_features |= (NETIF_F_IPV6_CSUM | NETIF_F_TSO6); | |
1206 | } | |
1207 | ||
1208 | if (adapter->pci_using_dac) { | |
1209 | netdev->features |= NETIF_F_HIGHDMA; | |
1210 | netdev->vlan_features |= NETIF_F_HIGHDMA; | |
1211 | } | |
1212 | ||
028afe71 DP |
1213 | if (adapter->capabilities & NX_FW_CAPABILITY_FVLANTX) |
1214 | netdev->features |= (NETIF_F_HW_VLAN_TX); | |
1215 | ||
1bb482f8 NK |
1216 | if (adapter->capabilities & NX_FW_CAPABILITY_HW_LRO) |
1217 | netdev->features |= NETIF_F_LRO; | |
1218 | ||
f17443f4 DP |
1219 | netdev->irq = adapter->msix_entries[0].vector; |
1220 | ||
74c520da | 1221 | INIT_WORK(&adapter->tx_timeout_task, netxen_tx_timeout_task); |
f17443f4 DP |
1222 | |
1223 | if (netxen_read_mac_addr(adapter)) | |
1224 | dev_warn(&pdev->dev, "failed to read mac addr\n"); | |
1225 | ||
1226 | netif_carrier_off(netdev); | |
1227 | netif_stop_queue(netdev); | |
1228 | ||
1229 | err = register_netdev(netdev); | |
1230 | if (err) { | |
1231 | dev_err(&pdev->dev, "failed to register net device\n"); | |
1232 | return err; | |
1233 | } | |
1234 | ||
1235 | return 0; | |
1236 | } | |
1237 | ||
3d396eb1 AK |
1238 | static int __devinit |
1239 | netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) | |
1240 | { | |
1241 | struct net_device *netdev = NULL; | |
1242 | struct netxen_adapter *adapter = NULL; | |
2956640d | 1243 | int i = 0, err; |
3176ff3e | 1244 | int pci_func_id = PCI_FUNC(pdev->devfn); |
2956640d | 1245 | uint8_t revision_id; |
3d396eb1 | 1246 | |
11d89d63 | 1247 | if (pdev->revision >= NX_P3_A0 && pdev->revision < NX_P3_B1) { |
c25c0b9b | 1248 | pr_warning("%s: chip revisions between 0x%x-0x%x" |
11d89d63 | 1249 | "will not be enabled.\n", |
c25c0b9b | 1250 | module_name(THIS_MODULE), NX_P3_A0, NX_P3_B1); |
11d89d63 DP |
1251 | return -ENODEV; |
1252 | } | |
1253 | ||
3d396eb1 AK |
1254 | if ((err = pci_enable_device(pdev))) |
1255 | return err; | |
2956640d | 1256 | |
3d396eb1 AK |
1257 | if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { |
1258 | err = -ENODEV; | |
1259 | goto err_out_disable_pdev; | |
1260 | } | |
1261 | ||
1262 | if ((err = pci_request_regions(pdev, netxen_nic_driver_name))) | |
1263 | goto err_out_disable_pdev; | |
1264 | ||
1265 | pci_set_master(pdev); | |
3176ff3e MT |
1266 | |
1267 | netdev = alloc_etherdev(sizeof(struct netxen_adapter)); | |
1268 | if(!netdev) { | |
f17443f4 DP |
1269 | dev_err(&pdev->dev, "failed to allocate net_device\n"); |
1270 | err = -ENOMEM; | |
3176ff3e MT |
1271 | goto err_out_free_res; |
1272 | } | |
1273 | ||
3176ff3e MT |
1274 | SET_NETDEV_DEV(netdev, &pdev->dev); |
1275 | ||
4cf1653a | 1276 | adapter = netdev_priv(netdev); |
2956640d DP |
1277 | adapter->netdev = netdev; |
1278 | adapter->pdev = pdev; | |
13ba9c77 | 1279 | adapter->ahw.pci_func = pci_func_id; |
2956640d DP |
1280 | |
1281 | revision_id = pdev->revision; | |
1282 | adapter->ahw.revision_id = revision_id; | |
1283 | ||
f03b0ebd DP |
1284 | rwlock_init(&adapter->ahw.crb_lock); |
1285 | spin_lock_init(&adapter->ahw.mem_lock); | |
1286 | ||
d8b100c5 | 1287 | spin_lock_init(&adapter->tx_clean_lock); |
5cf4d323 | 1288 | INIT_LIST_HEAD(&adapter->mac_list); |
3ce06a32 | 1289 | |
97daee83 DP |
1290 | err = netxen_setup_pci_map(adapter); |
1291 | if (err) | |
6c80b18d | 1292 | goto err_out_free_netdev; |
3d396eb1 | 1293 | |
2d1a3bbd | 1294 | /* This will be reset for mezz cards */ |
3176ff3e | 1295 | adapter->portnum = pci_func_id; |
3176ff3e | 1296 | |
f17443f4 DP |
1297 | err = netxen_nic_get_board_info(adapter); |
1298 | if (err) { | |
1299 | dev_err(&pdev->dev, "Error getting board config info.\n"); | |
dcd56fdb DP |
1300 | goto err_out_iounmap; |
1301 | } | |
6c80b18d | 1302 | |
13ba9c77 | 1303 | /* Mezz cards have PCI function 0,2,3 enabled */ |
1e2d0059 | 1304 | switch (adapter->ahw.board_type) { |
dc515f2e DP |
1305 | case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ: |
1306 | case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ: | |
1307 | if (pci_func_id >= 2) | |
13ba9c77 | 1308 | adapter->portnum = pci_func_id - 2; |
dc515f2e DP |
1309 | break; |
1310 | default: | |
1311 | break; | |
1312 | } | |
13ba9c77 | 1313 | |
6a581e93 | 1314 | err = netxen_start_firmware(adapter); |
0b72e659 | 1315 | if (err) |
8f9b3f69 | 1316 | goto err_out_decr_ref; |
f17443f4 | 1317 | |
3d396eb1 | 1318 | /* |
6c80b18d | 1319 | * See if the firmware gave us a virtual-physical port mapping. |
3d396eb1 | 1320 | */ |
dcd56fdb | 1321 | adapter->physical_port = adapter->portnum; |
4f96b988 | 1322 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { |
f98a9f69 | 1323 | i = NXRD32(adapter, CRB_V2P(adapter->portnum)); |
044fad0d DP |
1324 | if (i != 0x55555555) |
1325 | adapter->physical_port = i; | |
1326 | } | |
6c80b18d | 1327 | |
6a581e93 | 1328 | netxen_nic_clear_stats(adapter); |
2956640d | 1329 | |
97daee83 | 1330 | netxen_setup_intr(adapter); |
2956640d | 1331 | |
f17443f4 | 1332 | err = netxen_setup_netdev(adapter, netdev); |
9dc28efe | 1333 | if (err) |
2956640d | 1334 | goto err_out_disable_msi; |
6c80b18d MT |
1335 | |
1336 | pci_set_drvdata(pdev, adapter); | |
3d396eb1 | 1337 | |
6a581e93 DP |
1338 | netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY); |
1339 | ||
1e2d0059 | 1340 | switch (adapter->ahw.port_type) { |
2956640d DP |
1341 | case NETXEN_NIC_GBE: |
1342 | dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", | |
1343 | adapter->netdev->name); | |
1344 | break; | |
1345 | case NETXEN_NIC_XGBE: | |
1346 | dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", | |
1347 | adapter->netdev->name); | |
1348 | break; | |
3d396eb1 | 1349 | } |
3d396eb1 | 1350 | |
70f9cf89 DP |
1351 | netxen_create_diag_entries(adapter); |
1352 | ||
2956640d DP |
1353 | return 0; |
1354 | ||
1355 | err_out_disable_msi: | |
97daee83 | 1356 | netxen_teardown_intr(adapter); |
6c80b18d | 1357 | |
83ac51fa | 1358 | netxen_free_dummy_dma(adapter); |
3d396eb1 | 1359 | |
8f9b3f69 | 1360 | err_out_decr_ref: |
6a581e93 DP |
1361 | nx_decr_dev_ref_cnt(adapter); |
1362 | ||
2956640d | 1363 | err_out_iounmap: |
97daee83 | 1364 | netxen_cleanup_pci_map(adapter); |
cb8011ad | 1365 | |
6c80b18d MT |
1366 | err_out_free_netdev: |
1367 | free_netdev(netdev); | |
1368 | ||
1369 | err_out_free_res: | |
3d396eb1 | 1370 | pci_release_regions(pdev); |
6c80b18d MT |
1371 | |
1372 | err_out_disable_pdev: | |
2956640d | 1373 | pci_set_drvdata(pdev, NULL); |
3d396eb1 AK |
1374 | pci_disable_device(pdev); |
1375 | return err; | |
1376 | } | |
1377 | ||
1378 | static void __devexit netxen_nic_remove(struct pci_dev *pdev) | |
1379 | { | |
1380 | struct netxen_adapter *adapter; | |
3176ff3e | 1381 | struct net_device *netdev; |
3d396eb1 | 1382 | |
6c80b18d | 1383 | adapter = pci_get_drvdata(pdev); |
3d396eb1 AK |
1384 | if (adapter == NULL) |
1385 | return; | |
1386 | ||
6c80b18d MT |
1387 | netdev = adapter->netdev; |
1388 | ||
6a581e93 DP |
1389 | netxen_cancel_fw_work(adapter); |
1390 | ||
96acb6eb DP |
1391 | unregister_netdev(netdev); |
1392 | ||
e424fa9d AKS |
1393 | cancel_work_sync(&adapter->tx_timeout_task); |
1394 | ||
7042cd8f | 1395 | netxen_nic_detach(adapter); |
3d396eb1 | 1396 | |
6a581e93 DP |
1397 | nx_decr_dev_ref_cnt(adapter); |
1398 | ||
439b454e | 1399 | if (adapter->portnum == 0) |
83ac51fa | 1400 | netxen_free_dummy_dma(adapter); |
96acb6eb | 1401 | |
6a581e93 DP |
1402 | clear_bit(__NX_RESETTING, &adapter->state); |
1403 | ||
97daee83 | 1404 | netxen_teardown_intr(adapter); |
3052246c | 1405 | |
70f9cf89 DP |
1406 | netxen_remove_diag_entries(adapter); |
1407 | ||
97daee83 | 1408 | netxen_cleanup_pci_map(adapter); |
595e3fb8 | 1409 | |
f7185c71 DP |
1410 | netxen_release_firmware(adapter); |
1411 | ||
595e3fb8 | 1412 | pci_release_regions(pdev); |
3052246c | 1413 | pci_disable_device(pdev); |
595e3fb8 MT |
1414 | pci_set_drvdata(pdev, NULL); |
1415 | ||
6c80b18d | 1416 | free_netdev(netdev); |
3d396eb1 | 1417 | } |
22b5794b | 1418 | static int __netxen_nic_shutdown(struct pci_dev *pdev) |
0b72e659 | 1419 | { |
0b72e659 DP |
1420 | struct netxen_adapter *adapter = pci_get_drvdata(pdev); |
1421 | struct net_device *netdev = adapter->netdev; | |
22b5794b | 1422 | int retval; |
0b72e659 DP |
1423 | |
1424 | netif_device_detach(netdev); | |
1425 | ||
6a581e93 DP |
1426 | netxen_cancel_fw_work(adapter); |
1427 | ||
0b72e659 DP |
1428 | if (netif_running(netdev)) |
1429 | netxen_nic_down(adapter, netdev); | |
1430 | ||
e424fa9d AKS |
1431 | cancel_work_sync(&adapter->tx_timeout_task); |
1432 | ||
7042cd8f | 1433 | netxen_nic_detach(adapter); |
0b72e659 | 1434 | |
22b5794b AKS |
1435 | if (adapter->portnum == 0) |
1436 | netxen_free_dummy_dma(adapter); | |
1437 | ||
6a581e93 DP |
1438 | nx_decr_dev_ref_cnt(adapter); |
1439 | ||
1440 | clear_bit(__NX_RESETTING, &adapter->state); | |
1441 | ||
22b5794b AKS |
1442 | retval = pci_save_state(pdev); |
1443 | if (retval) | |
1444 | return retval; | |
0b72e659 DP |
1445 | |
1446 | if (netxen_nic_wol_supported(adapter)) { | |
1447 | pci_enable_wake(pdev, PCI_D3cold, 1); | |
1448 | pci_enable_wake(pdev, PCI_D3hot, 1); | |
1449 | } | |
1450 | ||
0b72e659 DP |
1451 | return 0; |
1452 | } | |
22b5794b AKS |
1453 | static void netxen_nic_shutdown(struct pci_dev *pdev) |
1454 | { | |
1455 | if (__netxen_nic_shutdown(pdev)) | |
1456 | return; | |
bc86fcba AKS |
1457 | |
1458 | pci_disable_device(pdev); | |
22b5794b AKS |
1459 | } |
1460 | #ifdef CONFIG_PM | |
1461 | static int | |
1462 | netxen_nic_suspend(struct pci_dev *pdev, pm_message_t state) | |
1463 | { | |
1464 | int retval; | |
1465 | ||
1466 | retval = __netxen_nic_shutdown(pdev); | |
1467 | if (retval) | |
1468 | return retval; | |
1469 | ||
1470 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); | |
bc86fcba AKS |
1471 | |
1472 | pci_disable_device(pdev); | |
22b5794b AKS |
1473 | return 0; |
1474 | } | |
0b72e659 DP |
1475 | |
1476 | static int | |
1477 | netxen_nic_resume(struct pci_dev *pdev) | |
1478 | { | |
1479 | struct netxen_adapter *adapter = pci_get_drvdata(pdev); | |
1480 | struct net_device *netdev = adapter->netdev; | |
1481 | int err; | |
1482 | ||
0b72e659 DP |
1483 | err = pci_enable_device(pdev); |
1484 | if (err) | |
1485 | return err; | |
1486 | ||
bc86fcba AKS |
1487 | pci_set_power_state(pdev, PCI_D0); |
1488 | pci_set_master(pdev); | |
1489 | pci_restore_state(pdev); | |
1490 | ||
907fa120 | 1491 | adapter->ahw.crb_win = -1; |
47abe356 | 1492 | adapter->ahw.ocm_win = -1; |
0b72e659 | 1493 | |
6a581e93 | 1494 | err = netxen_start_firmware(adapter); |
0b72e659 DP |
1495 | if (err) { |
1496 | dev_err(&pdev->dev, "failed to start firmware\n"); | |
1497 | return err; | |
1498 | } | |
1499 | ||
1500 | if (netif_running(netdev)) { | |
1501 | err = netxen_nic_attach(adapter); | |
1502 | if (err) | |
6a581e93 | 1503 | goto err_out; |
0b72e659 DP |
1504 | |
1505 | err = netxen_nic_up(adapter, netdev); | |
1506 | if (err) | |
6a581e93 | 1507 | goto err_out_detach; |
0b72e659 | 1508 | |
d0725e4d | 1509 | netxen_config_indev_addr(netdev, NETDEV_UP); |
0b72e659 DP |
1510 | } |
1511 | ||
bc86fcba | 1512 | netif_device_attach(netdev); |
6a581e93 | 1513 | netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY); |
07653aa3 | 1514 | return 0; |
6a581e93 DP |
1515 | |
1516 | err_out_detach: | |
1517 | netxen_nic_detach(adapter); | |
1518 | err_out: | |
1519 | nx_decr_dev_ref_cnt(adapter); | |
1520 | return err; | |
0b72e659 | 1521 | } |
01542cd1 | 1522 | #endif |
0b72e659 | 1523 | |
3d396eb1 AK |
1524 | static int netxen_nic_open(struct net_device *netdev) |
1525 | { | |
4cf1653a | 1526 | struct netxen_adapter *adapter = netdev_priv(netdev); |
3d396eb1 | 1527 | int err = 0; |
3d396eb1 | 1528 | |
dcd56fdb DP |
1529 | if (adapter->driver_mismatch) |
1530 | return -EIO; | |
1531 | ||
7042cd8f AKS |
1532 | err = netxen_nic_attach(adapter); |
1533 | if (err) | |
1534 | return err; | |
2956640d | 1535 | |
6f771419 | 1536 | err = __netxen_nic_up(adapter, netdev); |
9f5bc7f1 DP |
1537 | if (err) |
1538 | goto err_out; | |
05aaa02d | 1539 | |
dcd56fdb | 1540 | netif_start_queue(netdev); |
3d396eb1 AK |
1541 | |
1542 | return 0; | |
2956640d | 1543 | |
9f5bc7f1 DP |
1544 | err_out: |
1545 | netxen_nic_detach(adapter); | |
2956640d | 1546 | return err; |
3d396eb1 AK |
1547 | } |
1548 | ||
1549 | /* | |
1550 | * netxen_nic_close - Disables a network interface entry point | |
1551 | */ | |
1552 | static int netxen_nic_close(struct net_device *netdev) | |
1553 | { | |
3176ff3e | 1554 | struct netxen_adapter *adapter = netdev_priv(netdev); |
3d396eb1 | 1555 | |
6f771419 | 1556 | __netxen_nic_down(adapter, netdev); |
3d396eb1 AK |
1557 | return 0; |
1558 | } | |
1559 | ||
1bcfd790 DP |
1560 | static void |
1561 | netxen_tso_check(struct net_device *netdev, | |
1562 | struct nx_host_tx_ring *tx_ring, | |
1563 | struct cmd_desc_type0 *first_desc, | |
1564 | struct sk_buff *skb) | |
cd1f8160 | 1565 | { |
391587c3 | 1566 | u8 opcode = TX_ETHER_PKT; |
cdff1036 | 1567 | __be16 protocol = skb->protocol; |
028afe71 | 1568 | u16 flags = 0, vid = 0; |
1bcfd790 | 1569 | u32 producer; |
028afe71 | 1570 | int copied, offset, copy_len, hdr_len = 0, tso = 0, vlan_oob = 0; |
1bcfd790 | 1571 | struct cmd_desc_type0 *hwdesc; |
028afe71 | 1572 | struct vlan_ethhdr *vh; |
cdff1036 | 1573 | |
09640e63 | 1574 | if (protocol == cpu_to_be16(ETH_P_8021Q)) { |
028afe71 DP |
1575 | |
1576 | vh = (struct vlan_ethhdr *)skb->data; | |
cdff1036 DP |
1577 | protocol = vh->h_vlan_encapsulated_proto; |
1578 | flags = FLAGS_VLAN_TAGGED; | |
028afe71 DP |
1579 | |
1580 | } else if (vlan_tx_tag_present(skb)) { | |
1581 | ||
1582 | flags = FLAGS_VLAN_OOB; | |
1583 | vid = vlan_tx_tag_get(skb); | |
1584 | netxen_set_tx_vlan_tci(first_desc, vid); | |
1585 | vlan_oob = 1; | |
cdff1036 | 1586 | } |
cd1f8160 | 1587 | |
391587c3 DP |
1588 | if ((netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) && |
1589 | skb_shinfo(skb)->gso_size > 0) { | |
1590 | ||
1bcfd790 DP |
1591 | hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); |
1592 | ||
1593 | first_desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size); | |
1594 | first_desc->total_hdr_length = hdr_len; | |
028afe71 DP |
1595 | if (vlan_oob) { |
1596 | first_desc->total_hdr_length += VLAN_HLEN; | |
1597 | first_desc->tcp_hdr_offset = VLAN_HLEN; | |
1598 | first_desc->ip_hdr_offset = VLAN_HLEN; | |
1599 | /* Only in case of TSO on vlan device */ | |
1600 | flags |= FLAGS_VLAN_TAGGED; | |
1601 | } | |
391587c3 | 1602 | |
09640e63 | 1603 | opcode = (protocol == cpu_to_be16(ETH_P_IPV6)) ? |
391587c3 | 1604 | TX_TCP_LSO6 : TX_TCP_LSO; |
1bcfd790 | 1605 | tso = 1; |
cd1f8160 DP |
1606 | |
1607 | } else if (skb->ip_summed == CHECKSUM_PARTIAL) { | |
391587c3 DP |
1608 | u8 l4proto; |
1609 | ||
09640e63 | 1610 | if (protocol == cpu_to_be16(ETH_P_IP)) { |
391587c3 DP |
1611 | l4proto = ip_hdr(skb)->protocol; |
1612 | ||
1613 | if (l4proto == IPPROTO_TCP) | |
1614 | opcode = TX_TCP_PKT; | |
1615 | else if(l4proto == IPPROTO_UDP) | |
1616 | opcode = TX_UDP_PKT; | |
09640e63 | 1617 | } else if (protocol == cpu_to_be16(ETH_P_IPV6)) { |
391587c3 DP |
1618 | l4proto = ipv6_hdr(skb)->nexthdr; |
1619 | ||
1620 | if (l4proto == IPPROTO_TCP) | |
1621 | opcode = TX_TCPV6_PKT; | |
1622 | else if(l4proto == IPPROTO_UDP) | |
1623 | opcode = TX_UDPV6_PKT; | |
1624 | } | |
cd1f8160 | 1625 | } |
028afe71 DP |
1626 | |
1627 | first_desc->tcp_hdr_offset += skb_transport_offset(skb); | |
1628 | first_desc->ip_hdr_offset += skb_network_offset(skb); | |
1bcfd790 DP |
1629 | netxen_set_tx_flags_opcode(first_desc, flags, opcode); |
1630 | ||
1631 | if (!tso) | |
1632 | return; | |
1633 | ||
1634 | /* For LSO, we need to copy the MAC/IP/TCP headers into | |
1635 | * the descriptor ring | |
1636 | */ | |
1637 | producer = tx_ring->producer; | |
1638 | copied = 0; | |
1639 | offset = 2; | |
1640 | ||
028afe71 DP |
1641 | if (vlan_oob) { |
1642 | /* Create a TSO vlan header template for firmware */ | |
1643 | ||
1644 | hwdesc = &tx_ring->desc_head[producer]; | |
1645 | tx_ring->cmd_buf_arr[producer].skb = NULL; | |
1646 | ||
1647 | copy_len = min((int)sizeof(struct cmd_desc_type0) - offset, | |
1648 | hdr_len + VLAN_HLEN); | |
1649 | ||
1650 | vh = (struct vlan_ethhdr *)((char *)hwdesc + 2); | |
1651 | skb_copy_from_linear_data(skb, vh, 12); | |
1652 | vh->h_vlan_proto = htons(ETH_P_8021Q); | |
1653 | vh->h_vlan_TCI = htons(vid); | |
1654 | skb_copy_from_linear_data_offset(skb, 12, | |
1655 | (char *)vh + 16, copy_len - 16); | |
1656 | ||
545eb370 | 1657 | copied = copy_len - VLAN_HLEN; |
028afe71 DP |
1658 | offset = 0; |
1659 | ||
1660 | producer = get_next_index(producer, tx_ring->num_desc); | |
1661 | } | |
1662 | ||
1bcfd790 DP |
1663 | while (copied < hdr_len) { |
1664 | ||
1665 | copy_len = min((int)sizeof(struct cmd_desc_type0) - offset, | |
1666 | (hdr_len - copied)); | |
1667 | ||
1668 | hwdesc = &tx_ring->desc_head[producer]; | |
1669 | tx_ring->cmd_buf_arr[producer].skb = NULL; | |
1670 | ||
1671 | skb_copy_from_linear_data_offset(skb, copied, | |
1672 | (char *)hwdesc + offset, copy_len); | |
1673 | ||
1674 | copied += copy_len; | |
1675 | offset = 0; | |
1676 | ||
1677 | producer = get_next_index(producer, tx_ring->num_desc); | |
1678 | } | |
1679 | ||
1680 | tx_ring->producer = producer; | |
1681 | barrier(); | |
cd1f8160 DP |
1682 | } |
1683 | ||
ce644ed4 DP |
1684 | static int |
1685 | netxen_map_tx_skb(struct pci_dev *pdev, | |
1686 | struct sk_buff *skb, struct netxen_cmd_buffer *pbuf) | |
6f703406 | 1687 | { |
ce644ed4 DP |
1688 | struct netxen_skb_frag *nf; |
1689 | struct skb_frag_struct *frag; | |
1690 | int i, nr_frags; | |
1691 | dma_addr_t map; | |
1692 | ||
1693 | nr_frags = skb_shinfo(skb)->nr_frags; | |
1694 | nf = &pbuf->frag_array[0]; | |
1695 | ||
1696 | map = pci_map_single(pdev, skb->data, | |
1697 | skb_headlen(skb), PCI_DMA_TODEVICE); | |
1698 | if (pci_dma_mapping_error(pdev, map)) | |
1699 | goto out_err; | |
6f703406 | 1700 | |
ce644ed4 DP |
1701 | nf->dma = map; |
1702 | nf->length = skb_headlen(skb); | |
1703 | ||
1704 | for (i = 0; i < nr_frags; i++) { | |
1705 | frag = &skb_shinfo(skb)->frags[i]; | |
1706 | nf = &pbuf->frag_array[i+1]; | |
1707 | ||
1708 | map = pci_map_page(pdev, frag->page, frag->page_offset, | |
1709 | frag->size, PCI_DMA_TODEVICE); | |
1710 | if (pci_dma_mapping_error(pdev, map)) | |
1711 | goto unwind; | |
1712 | ||
1713 | nf->dma = map; | |
1714 | nf->length = frag->size; | |
1715 | } | |
1716 | ||
1717 | return 0; | |
6f703406 | 1718 | |
ce644ed4 | 1719 | unwind: |
cf503e8f DP |
1720 | while (--i >= 0) { |
1721 | nf = &pbuf->frag_array[i+1]; | |
ce644ed4 | 1722 | pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE); |
6f703406 | 1723 | } |
ce644ed4 DP |
1724 | |
1725 | nf = &pbuf->frag_array[0]; | |
1726 | pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE); | |
1727 | ||
1728 | out_err: | |
1729 | return -ENOMEM; | |
6f703406 DP |
1730 | } |
1731 | ||
d32cc3d2 DP |
1732 | static inline void |
1733 | netxen_clear_cmddesc(u64 *desc) | |
1734 | { | |
1bcfd790 DP |
1735 | desc[0] = 0ULL; |
1736 | desc[2] = 0ULL; | |
d32cc3d2 DP |
1737 | } |
1738 | ||
61357325 | 1739 | static netdev_tx_t |
d32cc3d2 | 1740 | netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) |
3d396eb1 | 1741 | { |
3176ff3e | 1742 | struct netxen_adapter *adapter = netdev_priv(netdev); |
4ea528a1 | 1743 | struct nx_host_tx_ring *tx_ring = adapter->tx_ring; |
391587c3 | 1744 | struct netxen_cmd_buffer *pbuf; |
3d396eb1 | 1745 | struct netxen_skb_frag *buffrag; |
1bcfd790 DP |
1746 | struct cmd_desc_type0 *hwdesc, *first_desc; |
1747 | struct pci_dev *pdev; | |
391587c3 | 1748 | int i, k; |
3d396eb1 | 1749 | |
cb2107be | 1750 | u32 producer; |
ce644ed4 | 1751 | int frag_count, no_of_desc; |
d877f1e3 | 1752 | u32 num_txd = tx_ring->num_desc; |
3d396eb1 | 1753 | |
3d396eb1 AK |
1754 | frag_count = skb_shinfo(skb)->nr_frags + 1; |
1755 | ||
d877f1e3 | 1756 | /* 4 fragments per cmd des */ |
3d396eb1 | 1757 | no_of_desc = (frag_count + 3) >> 2; |
53a01e00 | 1758 | |
fa9859ef | 1759 | if (unlikely(no_of_desc + 2 > netxen_tx_avail(tx_ring))) { |
ba53e6b4 | 1760 | netif_stop_queue(netdev); |
ba53e6b4 | 1761 | return NETDEV_TX_BUSY; |
53a01e00 | 1762 | } |
3d396eb1 | 1763 | |
cb2107be | 1764 | producer = tx_ring->producer; |
ce644ed4 | 1765 | pbuf = &tx_ring->cmd_buf_arr[producer]; |
cb2107be | 1766 | |
1bcfd790 | 1767 | pdev = adapter->pdev; |
391587c3 | 1768 | |
ce644ed4 | 1769 | if (netxen_map_tx_skb(pdev, skb, pbuf)) |
1bcfd790 | 1770 | goto drop_packet; |
391587c3 | 1771 | |
3d396eb1 | 1772 | pbuf->skb = skb; |
3d396eb1 | 1773 | pbuf->frag_count = frag_count; |
6f703406 | 1774 | |
1bcfd790 DP |
1775 | first_desc = hwdesc = &tx_ring->desc_head[producer]; |
1776 | netxen_clear_cmddesc((u64 *)hwdesc); | |
3d396eb1 | 1777 | |
ce644ed4 DP |
1778 | netxen_set_tx_frags_len(first_desc, frag_count, skb->len); |
1779 | netxen_set_tx_port(first_desc, adapter->portnum); | |
3d396eb1 | 1780 | |
ce644ed4 | 1781 | for (i = 0; i < frag_count; i++) { |
3d396eb1 | 1782 | |
ce644ed4 DP |
1783 | k = i % 4; |
1784 | ||
1785 | if ((k == 0) && (i > 0)) { | |
1786 | /* move to next desc.*/ | |
ba53e6b4 | 1787 | producer = get_next_index(producer, num_txd); |
d877f1e3 | 1788 | hwdesc = &tx_ring->desc_head[producer]; |
d32cc3d2 | 1789 | netxen_clear_cmddesc((u64 *)hwdesc); |
ce644ed4 | 1790 | tx_ring->cmd_buf_arr[producer].skb = NULL; |
6f703406 | 1791 | } |
3d396eb1 | 1792 | |
ce644ed4 | 1793 | buffrag = &pbuf->frag_array[i]; |
3d396eb1 | 1794 | |
ce644ed4 | 1795 | hwdesc->buffer_length[k] = cpu_to_le16(buffrag->length); |
3d396eb1 AK |
1796 | switch (k) { |
1797 | case 0: | |
ce644ed4 | 1798 | hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma); |
3d396eb1 AK |
1799 | break; |
1800 | case 1: | |
ce644ed4 | 1801 | hwdesc->addr_buffer2 = cpu_to_le64(buffrag->dma); |
3d396eb1 AK |
1802 | break; |
1803 | case 2: | |
ce644ed4 | 1804 | hwdesc->addr_buffer3 = cpu_to_le64(buffrag->dma); |
3d396eb1 AK |
1805 | break; |
1806 | case 3: | |
ce644ed4 | 1807 | hwdesc->addr_buffer4 = cpu_to_le64(buffrag->dma); |
3d396eb1 AK |
1808 | break; |
1809 | } | |
3d396eb1 | 1810 | } |
ce644ed4 | 1811 | |
1bcfd790 | 1812 | tx_ring->producer = get_next_index(producer, num_txd); |
3d396eb1 | 1813 | |
1bcfd790 | 1814 | netxen_tso_check(netdev, tx_ring, first_desc, skb); |
6c80b18d | 1815 | |
cb2107be | 1816 | netxen_nic_update_cmd_producer(adapter, tx_ring); |
3d396eb1 | 1817 | |
1bcfd790 | 1818 | adapter->stats.txbytes += skb->len; |
ba53e6b4 | 1819 | adapter->stats.xmitcalled++; |
3d396eb1 | 1820 | |
3d396eb1 | 1821 | return NETDEV_TX_OK; |
6f703406 DP |
1822 | |
1823 | drop_packet: | |
1824 | adapter->stats.txdropped++; | |
1825 | dev_kfree_skb_any(skb); | |
1826 | return NETDEV_TX_OK; | |
3d396eb1 AK |
1827 | } |
1828 | ||
a97342f9 DP |
1829 | static int netxen_nic_check_temp(struct netxen_adapter *adapter) |
1830 | { | |
1831 | struct net_device *netdev = adapter->netdev; | |
1832 | uint32_t temp, temp_state, temp_val; | |
1833 | int rv = 0; | |
1834 | ||
f98a9f69 | 1835 | temp = NXRD32(adapter, CRB_TEMP_STATE); |
a97342f9 DP |
1836 | |
1837 | temp_state = nx_get_temp_state(temp); | |
1838 | temp_val = nx_get_temp_val(temp); | |
1839 | ||
1840 | if (temp_state == NX_TEMP_PANIC) { | |
1841 | printk(KERN_ALERT | |
1842 | "%s: Device temperature %d degrees C exceeds" | |
1843 | " maximum allowed. Hardware has been shut down.\n", | |
e4135c2d | 1844 | netdev->name, temp_val); |
a97342f9 DP |
1845 | rv = 1; |
1846 | } else if (temp_state == NX_TEMP_WARN) { | |
1847 | if (adapter->temp == NX_TEMP_NORMAL) { | |
1848 | printk(KERN_ALERT | |
1849 | "%s: Device temperature %d degrees C " | |
1850 | "exceeds operating range." | |
1851 | " Immediate action needed.\n", | |
e4135c2d | 1852 | netdev->name, temp_val); |
a97342f9 DP |
1853 | } |
1854 | } else { | |
1855 | if (adapter->temp == NX_TEMP_WARN) { | |
1856 | printk(KERN_INFO | |
1857 | "%s: Device temperature is now %d degrees C" | |
e4135c2d | 1858 | " in normal range.\n", netdev->name, |
a97342f9 DP |
1859 | temp_val); |
1860 | } | |
1861 | } | |
1862 | adapter->temp = temp_state; | |
1863 | return rv; | |
1864 | } | |
1865 | ||
3bf26ce3 | 1866 | void netxen_advert_link_change(struct netxen_adapter *adapter, int linkup) |
a97342f9 DP |
1867 | { |
1868 | struct net_device *netdev = adapter->netdev; | |
a97342f9 DP |
1869 | |
1870 | if (adapter->ahw.linkup && !linkup) { | |
1871 | printk(KERN_INFO "%s: %s NIC Link is down\n", | |
1872 | netxen_nic_driver_name, netdev->name); | |
1873 | adapter->ahw.linkup = 0; | |
1874 | if (netif_running(netdev)) { | |
1875 | netif_carrier_off(netdev); | |
1876 | netif_stop_queue(netdev); | |
1877 | } | |
e424fa9d | 1878 | adapter->link_changed = !adapter->has_link_events; |
a97342f9 DP |
1879 | } else if (!adapter->ahw.linkup && linkup) { |
1880 | printk(KERN_INFO "%s: %s NIC Link is up\n", | |
1881 | netxen_nic_driver_name, netdev->name); | |
1882 | adapter->ahw.linkup = 1; | |
1883 | if (netif_running(netdev)) { | |
1884 | netif_carrier_on(netdev); | |
1885 | netif_wake_queue(netdev); | |
1886 | } | |
e424fa9d | 1887 | adapter->link_changed = !adapter->has_link_events; |
a97342f9 DP |
1888 | } |
1889 | } | |
1890 | ||
3bf26ce3 DP |
1891 | static void netxen_nic_handle_phy_intr(struct netxen_adapter *adapter) |
1892 | { | |
1893 | u32 val, port, linkup; | |
1894 | ||
1895 | port = adapter->physical_port; | |
1896 | ||
1897 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { | |
f98a9f69 | 1898 | val = NXRD32(adapter, CRB_XG_STATE_P3); |
3bf26ce3 DP |
1899 | val = XG_LINK_STATE_P3(adapter->ahw.pci_func, val); |
1900 | linkup = (val == XG_LINK_UP_P3); | |
1901 | } else { | |
f98a9f69 | 1902 | val = NXRD32(adapter, CRB_XG_STATE); |
3bf26ce3 DP |
1903 | if (adapter->ahw.port_type == NETXEN_NIC_GBE) |
1904 | linkup = (val >> port) & 1; | |
1905 | else { | |
1906 | val = (val >> port*8) & 0xff; | |
1907 | linkup = (val == XG_LINK_UP); | |
1908 | } | |
1909 | } | |
1910 | ||
1911 | netxen_advert_link_change(adapter, linkup); | |
1912 | } | |
1913 | ||
3d396eb1 AK |
1914 | static void netxen_tx_timeout(struct net_device *netdev) |
1915 | { | |
e424fa9d | 1916 | struct netxen_adapter *adapter = netdev_priv(netdev); |
f17443f4 | 1917 | |
6a581e93 DP |
1918 | if (test_bit(__NX_RESETTING, &adapter->state)) |
1919 | return; | |
1920 | ||
f17443f4 | 1921 | dev_err(&netdev->dev, "transmit timeout, resetting.\n"); |
e424fa9d | 1922 | schedule_work(&adapter->tx_timeout_task); |
3d396eb1 AK |
1923 | } |
1924 | ||
74c520da | 1925 | static void netxen_tx_timeout_task(struct work_struct *work) |
3d396eb1 | 1926 | { |
4790654c | 1927 | struct netxen_adapter *adapter = |
3176ff3e | 1928 | container_of(work, struct netxen_adapter, tx_timeout_task); |
3d396eb1 | 1929 | |
b2af9cb0 DP |
1930 | if (!netif_running(adapter->netdev)) |
1931 | return; | |
1932 | ||
74c520da | 1933 | if (test_and_set_bit(__NX_RESETTING, &adapter->state)) |
6a581e93 DP |
1934 | return; |
1935 | ||
74c520da AKS |
1936 | if (++adapter->tx_timeo_cnt >= NX_MAX_TX_TIMEOUTS) |
1937 | goto request_reset; | |
1938 | ||
1939 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { | |
1940 | /* try to scrub interrupt */ | |
1941 | netxen_napi_disable(adapter); | |
ba53e6b4 | 1942 | |
74c520da | 1943 | adapter->netdev->trans_start = jiffies; |
ba53e6b4 | 1944 | |
74c520da AKS |
1945 | netxen_napi_enable(adapter); |
1946 | ||
1947 | netif_wake_queue(adapter->netdev); | |
1948 | ||
a598ae17 | 1949 | clear_bit(__NX_RESETTING, &adapter->state); |
74c520da AKS |
1950 | |
1951 | } else { | |
a598ae17 | 1952 | clear_bit(__NX_RESETTING, &adapter->state); |
74c520da AKS |
1953 | if (!netxen_nic_reset_context(adapter)) { |
1954 | adapter->netdev->trans_start = jiffies; | |
a598ae17 | 1955 | return; |
74c520da AKS |
1956 | } |
1957 | ||
1958 | /* context reset failed, fall through for fw reset */ | |
1959 | } | |
1960 | ||
1961 | request_reset: | |
1962 | adapter->need_fw_reset = 1; | |
ff8a306d | 1963 | clear_bit(__NX_RESETTING, &adapter->state); |
3d396eb1 AK |
1964 | } |
1965 | ||
a97342f9 DP |
1966 | struct net_device_stats *netxen_nic_get_stats(struct net_device *netdev) |
1967 | { | |
1968 | struct netxen_adapter *adapter = netdev_priv(netdev); | |
5a4d6311 | 1969 | struct net_device_stats *stats = &netdev->stats; |
a97342f9 DP |
1970 | |
1971 | memset(stats, 0, sizeof(*stats)); | |
1972 | ||
1bb482f8 | 1973 | stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; |
e98e3350 | 1974 | stats->tx_packets = adapter->stats.xmitfinished; |
a97342f9 | 1975 | stats->rx_bytes = adapter->stats.rxbytes; |
a97342f9 | 1976 | stats->tx_bytes = adapter->stats.txbytes; |
a97342f9 | 1977 | stats->rx_dropped = adapter->stats.rxdropped; |
a97342f9 DP |
1978 | stats->tx_dropped = adapter->stats.txdropped; |
1979 | ||
1980 | return stats; | |
1981 | } | |
1982 | ||
e4c93c81 | 1983 | static irqreturn_t netxen_intr(int irq, void *data) |
3d396eb1 | 1984 | { |
d8b100c5 DP |
1985 | struct nx_host_sds_ring *sds_ring = data; |
1986 | struct netxen_adapter *adapter = sds_ring->adapter; | |
d71e1be8 DP |
1987 | u32 status = 0; |
1988 | ||
195c5f98 | 1989 | status = readl(adapter->isr_int_vec); |
d71e1be8 | 1990 | |
195c5f98 | 1991 | if (!(status & adapter->int_vec_bit)) |
05aaa02d | 1992 | return IRQ_NONE; |
e01872af | 1993 | |
195c5f98 | 1994 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { |
d71e1be8 | 1995 | /* check interrupt state machine, to be sure */ |
195c5f98 | 1996 | status = readl(adapter->crb_int_state_reg); |
d71e1be8 DP |
1997 | if (!ISR_LEGACY_INT_TRIGGERED(status)) |
1998 | return IRQ_NONE; | |
1999 | ||
092bc571 DP |
2000 | } else { |
2001 | unsigned long our_int = 0; | |
d71e1be8 | 2002 | |
195c5f98 | 2003 | our_int = readl(adapter->crb_int_state_reg); |
092bc571 | 2004 | |
d71e1be8 | 2005 | /* not our interrupt */ |
092bc571 | 2006 | if (!test_and_clear_bit((7 + adapter->portnum), &our_int)) |
d71e1be8 DP |
2007 | return IRQ_NONE; |
2008 | ||
092bc571 | 2009 | /* claim interrupt */ |
195c5f98 | 2010 | writel((our_int & 0xffffffff), adapter->crb_int_state_reg); |
e01872af | 2011 | |
195c5f98 | 2012 | /* clear interrupt */ |
d8b100c5 | 2013 | netxen_nic_disable_int(sds_ring); |
195c5f98 | 2014 | } |
092bc571 | 2015 | |
195c5f98 | 2016 | writel(0xffffffff, adapter->tgt_status_reg); |
092bc571 | 2017 | /* read twice to ensure write is flushed */ |
195c5f98 AKS |
2018 | readl(adapter->isr_int_vec); |
2019 | readl(adapter->isr_int_vec); | |
092bc571 | 2020 | |
d8b100c5 | 2021 | napi_schedule(&sds_ring->napi); |
3d396eb1 AK |
2022 | |
2023 | return IRQ_HANDLED; | |
2024 | } | |
2025 | ||
e4c93c81 | 2026 | static irqreturn_t netxen_msi_intr(int irq, void *data) |
05aaa02d | 2027 | { |
d8b100c5 DP |
2028 | struct nx_host_sds_ring *sds_ring = data; |
2029 | struct netxen_adapter *adapter = sds_ring->adapter; | |
05aaa02d | 2030 | |
092bc571 | 2031 | /* clear interrupt */ |
195c5f98 | 2032 | writel(0xffffffff, adapter->tgt_status_reg); |
092bc571 | 2033 | |
d8b100c5 | 2034 | napi_schedule(&sds_ring->napi); |
05aaa02d DP |
2035 | return IRQ_HANDLED; |
2036 | } | |
2037 | ||
b3df68f8 DP |
2038 | static irqreturn_t netxen_msix_intr(int irq, void *data) |
2039 | { | |
d8b100c5 | 2040 | struct nx_host_sds_ring *sds_ring = data; |
b3df68f8 | 2041 | |
d8b100c5 | 2042 | napi_schedule(&sds_ring->napi); |
b3df68f8 DP |
2043 | return IRQ_HANDLED; |
2044 | } | |
2045 | ||
bea3348e | 2046 | static int netxen_nic_poll(struct napi_struct *napi, int budget) |
3d396eb1 | 2047 | { |
d8b100c5 DP |
2048 | struct nx_host_sds_ring *sds_ring = |
2049 | container_of(napi, struct nx_host_sds_ring, napi); | |
2050 | ||
2051 | struct netxen_adapter *adapter = sds_ring->adapter; | |
2052 | ||
05aaa02d | 2053 | int tx_complete; |
bea3348e | 2054 | int work_done; |
3d396eb1 | 2055 | |
05aaa02d | 2056 | tx_complete = netxen_process_cmd_ring(adapter); |
3d396eb1 | 2057 | |
d8b100c5 | 2058 | work_done = netxen_process_rcv_ring(sds_ring, budget); |
3d396eb1 | 2059 | |
05aaa02d | 2060 | if ((work_done < budget) && tx_complete) { |
d8b100c5 | 2061 | napi_complete(&sds_ring->napi); |
f2251f66 | 2062 | if (test_bit(__NX_DEV_UP, &adapter->state)) |
b2af9cb0 | 2063 | netxen_nic_enable_int(sds_ring); |
3d396eb1 AK |
2064 | } |
2065 | ||
bea3348e | 2066 | return work_done; |
3d396eb1 AK |
2067 | } |
2068 | ||
2069 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
2070 | static void netxen_nic_poll_controller(struct net_device *netdev) | |
2071 | { | |
3176ff3e | 2072 | struct netxen_adapter *adapter = netdev_priv(netdev); |
3d396eb1 | 2073 | disable_irq(adapter->irq); |
1494a814 | 2074 | netxen_intr(adapter->irq, adapter); |
3d396eb1 AK |
2075 | enable_irq(adapter->irq); |
2076 | } | |
2077 | #endif | |
3d396eb1 | 2078 | |
6a581e93 DP |
2079 | static int |
2080 | nx_incr_dev_ref_cnt(struct netxen_adapter *adapter) | |
2081 | { | |
2082 | int count; | |
2083 | if (netxen_api_lock(adapter)) | |
2084 | return -EIO; | |
2085 | ||
2086 | count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT); | |
2087 | ||
2088 | NXWR32(adapter, NX_CRB_DEV_REF_COUNT, ++count); | |
2089 | ||
2090 | netxen_api_unlock(adapter); | |
2091 | return count; | |
2092 | } | |
2093 | ||
2094 | static int | |
2095 | nx_decr_dev_ref_cnt(struct netxen_adapter *adapter) | |
2096 | { | |
2097 | int count; | |
2098 | if (netxen_api_lock(adapter)) | |
2099 | return -EIO; | |
2100 | ||
2101 | count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT); | |
2102 | WARN_ON(count == 0); | |
2103 | ||
2104 | NXWR32(adapter, NX_CRB_DEV_REF_COUNT, --count); | |
2105 | ||
2106 | if (count == 0) | |
2107 | NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_COLD); | |
2108 | ||
2109 | netxen_api_unlock(adapter); | |
2110 | return count; | |
2111 | } | |
2112 | ||
74c520da AKS |
2113 | static void |
2114 | nx_dev_request_reset(struct netxen_adapter *adapter) | |
2115 | { | |
2116 | u32 state; | |
2117 | ||
2118 | if (netxen_api_lock(adapter)) | |
2119 | return; | |
2120 | ||
2121 | state = NXRD32(adapter, NX_CRB_DEV_STATE); | |
2122 | ||
2123 | if (state != NX_DEV_INITALIZING) | |
2124 | NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_NEED_RESET); | |
2125 | ||
2126 | netxen_api_unlock(adapter); | |
2127 | } | |
2128 | ||
6a581e93 DP |
2129 | static int |
2130 | netxen_can_start_firmware(struct netxen_adapter *adapter) | |
2131 | { | |
2132 | int count; | |
2133 | int can_start = 0; | |
2134 | ||
2135 | if (netxen_api_lock(adapter)) | |
2136 | return 0; | |
2137 | ||
2138 | count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT); | |
2139 | ||
2140 | if ((count < 0) || (count >= NX_MAX_PCI_FUNC)) | |
2141 | count = 0; | |
2142 | ||
2143 | if (count == 0) { | |
2144 | can_start = 1; | |
2145 | NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_INITALIZING); | |
2146 | } | |
2147 | ||
2148 | NXWR32(adapter, NX_CRB_DEV_REF_COUNT, ++count); | |
2149 | ||
2150 | netxen_api_unlock(adapter); | |
2151 | ||
2152 | return can_start; | |
2153 | } | |
2154 | ||
2155 | static void | |
2156 | netxen_schedule_work(struct netxen_adapter *adapter, | |
2157 | work_func_t func, int delay) | |
2158 | { | |
2159 | INIT_DELAYED_WORK(&adapter->fw_work, func); | |
2160 | schedule_delayed_work(&adapter->fw_work, delay); | |
2161 | } | |
2162 | ||
2163 | static void | |
2164 | netxen_cancel_fw_work(struct netxen_adapter *adapter) | |
2165 | { | |
2166 | while (test_and_set_bit(__NX_RESETTING, &adapter->state)) | |
2167 | msleep(10); | |
2168 | ||
2169 | cancel_delayed_work_sync(&adapter->fw_work); | |
2170 | } | |
2171 | ||
2172 | static void | |
2173 | netxen_attach_work(struct work_struct *work) | |
2174 | { | |
2175 | struct netxen_adapter *adapter = container_of(work, | |
2176 | struct netxen_adapter, fw_work.work); | |
2177 | struct net_device *netdev = adapter->netdev; | |
2178 | int err = 0; | |
2179 | ||
2180 | if (netif_running(netdev)) { | |
2181 | err = netxen_nic_attach(adapter); | |
2182 | if (err) | |
2183 | goto done; | |
2184 | ||
2185 | err = netxen_nic_up(adapter, netdev); | |
2186 | if (err) { | |
2187 | netxen_nic_detach(adapter); | |
2188 | goto done; | |
2189 | } | |
2190 | ||
d0725e4d | 2191 | netxen_config_indev_addr(netdev, NETDEV_UP); |
6a581e93 DP |
2192 | } |
2193 | ||
2194 | netif_device_attach(netdev); | |
2195 | ||
2196 | done: | |
2197 | adapter->fw_fail_cnt = 0; | |
2198 | clear_bit(__NX_RESETTING, &adapter->state); | |
2199 | netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY); | |
2200 | } | |
2201 | ||
2202 | static void | |
2203 | netxen_fwinit_work(struct work_struct *work) | |
2204 | { | |
2205 | struct netxen_adapter *adapter = container_of(work, | |
2206 | struct netxen_adapter, fw_work.work); | |
2207 | int dev_state; | |
2208 | ||
2209 | dev_state = NXRD32(adapter, NX_CRB_DEV_STATE); | |
2210 | ||
2211 | switch (dev_state) { | |
2212 | case NX_DEV_COLD: | |
2213 | case NX_DEV_READY: | |
74c520da AKS |
2214 | if (!netxen_start_firmware(adapter)) { |
2215 | netxen_schedule_work(adapter, netxen_attach_work, 0); | |
2216 | return; | |
2217 | } | |
2218 | break; | |
6a581e93 DP |
2219 | |
2220 | case NX_DEV_INITALIZING: | |
2221 | if (++adapter->fw_wait_cnt < FW_POLL_THRESH) { | |
2222 | netxen_schedule_work(adapter, | |
2223 | netxen_fwinit_work, 2 * FW_POLL_DELAY); | |
2224 | return; | |
2225 | } | |
6a581e93 DP |
2226 | |
2227 | case NX_DEV_FAILED: | |
2228 | default: | |
8f9b3f69 | 2229 | nx_incr_dev_ref_cnt(adapter); |
6a581e93 DP |
2230 | break; |
2231 | } | |
2232 | ||
6a581e93 DP |
2233 | clear_bit(__NX_RESETTING, &adapter->state); |
2234 | } | |
2235 | ||
2236 | static void | |
2237 | netxen_detach_work(struct work_struct *work) | |
2238 | { | |
2239 | struct netxen_adapter *adapter = container_of(work, | |
2240 | struct netxen_adapter, fw_work.work); | |
2241 | struct net_device *netdev = adapter->netdev; | |
2242 | int ref_cnt, delay; | |
2243 | u32 status; | |
2244 | ||
2245 | netif_device_detach(netdev); | |
2246 | ||
6f771419 | 2247 | netxen_nic_down(adapter, netdev); |
6a581e93 DP |
2248 | |
2249 | netxen_nic_detach(adapter); | |
2250 | ||
2251 | status = NXRD32(adapter, NETXEN_PEG_HALT_STATUS1); | |
2252 | ||
6a581e93 | 2253 | if (status & NX_RCODE_FATAL_ERROR) |
8f9b3f69 | 2254 | goto err_ret; |
6a581e93 DP |
2255 | |
2256 | if (adapter->temp == NX_TEMP_PANIC) | |
8f9b3f69 AKS |
2257 | goto err_ret; |
2258 | ||
2259 | ref_cnt = nx_decr_dev_ref_cnt(adapter); | |
6a581e93 DP |
2260 | |
2261 | delay = (ref_cnt == 0) ? 0 : (2 * FW_POLL_DELAY); | |
2262 | ||
2263 | adapter->fw_wait_cnt = 0; | |
2264 | netxen_schedule_work(adapter, netxen_fwinit_work, delay); | |
8f9b3f69 AKS |
2265 | |
2266 | return; | |
2267 | ||
2268 | err_ret: | |
2269 | clear_bit(__NX_RESETTING, &adapter->state); | |
6a581e93 DP |
2270 | } |
2271 | ||
2272 | static int | |
2273 | netxen_check_health(struct netxen_adapter *adapter) | |
2274 | { | |
2275 | u32 state, heartbit; | |
2276 | struct net_device *netdev = adapter->netdev; | |
2277 | ||
2278 | if (netxen_nic_check_temp(adapter)) | |
2279 | goto detach; | |
2280 | ||
74c520da AKS |
2281 | if (adapter->need_fw_reset) { |
2282 | nx_dev_request_reset(adapter); | |
2283 | goto detach; | |
2284 | } | |
2285 | ||
6a581e93 | 2286 | state = NXRD32(adapter, NX_CRB_DEV_STATE); |
6a808c6c AKS |
2287 | if (state == NX_DEV_NEED_RESET) { |
2288 | adapter->need_fw_reset = 1; | |
6a581e93 | 2289 | goto detach; |
6a808c6c | 2290 | } |
6a581e93 DP |
2291 | |
2292 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) | |
2293 | return 0; | |
2294 | ||
2295 | heartbit = NXRD32(adapter, NETXEN_PEG_ALIVE_COUNTER); | |
2296 | if (heartbit != adapter->heartbit) { | |
2297 | adapter->heartbit = heartbit; | |
2298 | adapter->fw_fail_cnt = 0; | |
2299 | return 0; | |
2300 | } | |
2301 | ||
2302 | if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) | |
2303 | return 0; | |
2304 | ||
2305 | clear_bit(__NX_FW_ATTACHED, &adapter->state); | |
2306 | ||
2307 | dev_info(&netdev->dev, "firmware hang detected\n"); | |
2308 | ||
2309 | detach: | |
caa2dd53 NK |
2310 | if ((auto_fw_reset == AUTO_FW_RESET_ENABLED) && |
2311 | !test_and_set_bit(__NX_RESETTING, &adapter->state)) | |
6a581e93 DP |
2312 | netxen_schedule_work(adapter, netxen_detach_work, 0); |
2313 | return 1; | |
2314 | } | |
2315 | ||
2316 | static void | |
2317 | netxen_fw_poll_work(struct work_struct *work) | |
2318 | { | |
2319 | struct netxen_adapter *adapter = container_of(work, | |
2320 | struct netxen_adapter, fw_work.work); | |
2321 | ||
2322 | if (test_bit(__NX_RESETTING, &adapter->state)) | |
2323 | goto reschedule; | |
2324 | ||
2325 | if (test_bit(__NX_DEV_UP, &adapter->state)) { | |
2326 | if (!adapter->has_link_events) { | |
2327 | ||
2328 | netxen_nic_handle_phy_intr(adapter); | |
2329 | ||
2330 | if (adapter->link_changed) | |
2331 | netxen_nic_set_link_parameters(adapter); | |
2332 | } | |
2333 | } | |
2334 | ||
2335 | if (netxen_check_health(adapter)) | |
2336 | return; | |
2337 | ||
2338 | reschedule: | |
2339 | netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY); | |
2340 | } | |
2341 | ||
fa3ce355 NK |
2342 | static ssize_t |
2343 | netxen_store_bridged_mode(struct device *dev, | |
2344 | struct device_attribute *attr, const char *buf, size_t len) | |
2345 | { | |
2346 | struct net_device *net = to_net_dev(dev); | |
2347 | struct netxen_adapter *adapter = netdev_priv(net); | |
2348 | unsigned long new; | |
2349 | int ret = -EINVAL; | |
2350 | ||
2351 | if (!(adapter->capabilities & NX_FW_CAPABILITY_BDG)) | |
2352 | goto err_out; | |
2353 | ||
2354 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) | |
2355 | goto err_out; | |
2356 | ||
2357 | if (strict_strtoul(buf, 2, &new)) | |
2358 | goto err_out; | |
2359 | ||
2360 | if (!netxen_config_bridged_mode(adapter, !!new)) | |
2361 | ret = len; | |
2362 | ||
2363 | err_out: | |
2364 | return ret; | |
2365 | } | |
2366 | ||
2367 | static ssize_t | |
2368 | netxen_show_bridged_mode(struct device *dev, | |
2369 | struct device_attribute *attr, char *buf) | |
2370 | { | |
2371 | struct net_device *net = to_net_dev(dev); | |
2372 | struct netxen_adapter *adapter; | |
2373 | int bridged_mode = 0; | |
2374 | ||
2375 | adapter = netdev_priv(net); | |
2376 | ||
2377 | if (adapter->capabilities & NX_FW_CAPABILITY_BDG) | |
2378 | bridged_mode = !!(adapter->flags & NETXEN_NIC_BRIDGE_ENABLED); | |
2379 | ||
2380 | return sprintf(buf, "%d\n", bridged_mode); | |
2381 | } | |
2382 | ||
2383 | static struct device_attribute dev_attr_bridged_mode = { | |
2384 | .attr = {.name = "bridged_mode", .mode = (S_IRUGO | S_IWUSR)}, | |
2385 | .show = netxen_show_bridged_mode, | |
2386 | .store = netxen_store_bridged_mode, | |
2387 | }; | |
2388 | ||
70f9cf89 DP |
2389 | static ssize_t |
2390 | netxen_store_diag_mode(struct device *dev, | |
2391 | struct device_attribute *attr, const char *buf, size_t len) | |
2392 | { | |
2393 | struct netxen_adapter *adapter = dev_get_drvdata(dev); | |
2394 | unsigned long new; | |
2395 | ||
2396 | if (strict_strtoul(buf, 2, &new)) | |
2397 | return -EINVAL; | |
2398 | ||
2399 | if (!!new != !!(adapter->flags & NETXEN_NIC_DIAG_ENABLED)) | |
2400 | adapter->flags ^= NETXEN_NIC_DIAG_ENABLED; | |
2401 | ||
2402 | return len; | |
2403 | } | |
2404 | ||
2405 | static ssize_t | |
2406 | netxen_show_diag_mode(struct device *dev, | |
2407 | struct device_attribute *attr, char *buf) | |
2408 | { | |
2409 | struct netxen_adapter *adapter = dev_get_drvdata(dev); | |
2410 | ||
2411 | return sprintf(buf, "%d\n", | |
2412 | !!(adapter->flags & NETXEN_NIC_DIAG_ENABLED)); | |
2413 | } | |
2414 | ||
2415 | static struct device_attribute dev_attr_diag_mode = { | |
2416 | .attr = {.name = "diag_mode", .mode = (S_IRUGO | S_IWUSR)}, | |
2417 | .show = netxen_show_diag_mode, | |
2418 | .store = netxen_store_diag_mode, | |
2419 | }; | |
2420 | ||
2421 | static int | |
2422 | netxen_sysfs_validate_crb(struct netxen_adapter *adapter, | |
2423 | loff_t offset, size_t size) | |
2424 | { | |
2425 | if (!(adapter->flags & NETXEN_NIC_DIAG_ENABLED)) | |
2426 | return -EIO; | |
2427 | ||
2428 | if ((size != 4) || (offset & 0x3)) | |
2429 | return -EINVAL; | |
2430 | ||
2431 | if (offset < NETXEN_PCI_CRBSPACE) | |
2432 | return -EINVAL; | |
2433 | ||
2434 | return 0; | |
2435 | } | |
2436 | ||
2437 | static ssize_t | |
2438 | netxen_sysfs_read_crb(struct kobject *kobj, struct bin_attribute *attr, | |
2439 | char *buf, loff_t offset, size_t size) | |
2440 | { | |
2441 | struct device *dev = container_of(kobj, struct device, kobj); | |
2442 | struct netxen_adapter *adapter = dev_get_drvdata(dev); | |
2443 | u32 data; | |
2444 | int ret; | |
2445 | ||
2446 | ret = netxen_sysfs_validate_crb(adapter, offset, size); | |
2447 | if (ret != 0) | |
2448 | return ret; | |
2449 | ||
2450 | data = NXRD32(adapter, offset); | |
2451 | memcpy(buf, &data, size); | |
2452 | return size; | |
2453 | } | |
2454 | ||
2455 | static ssize_t | |
2456 | netxen_sysfs_write_crb(struct kobject *kobj, struct bin_attribute *attr, | |
2457 | char *buf, loff_t offset, size_t size) | |
2458 | { | |
2459 | struct device *dev = container_of(kobj, struct device, kobj); | |
2460 | struct netxen_adapter *adapter = dev_get_drvdata(dev); | |
2461 | u32 data; | |
2462 | int ret; | |
2463 | ||
2464 | ret = netxen_sysfs_validate_crb(adapter, offset, size); | |
2465 | if (ret != 0) | |
2466 | return ret; | |
2467 | ||
2468 | memcpy(&data, buf, size); | |
2469 | NXWR32(adapter, offset, data); | |
2470 | return size; | |
2471 | } | |
2472 | ||
2473 | static int | |
2474 | netxen_sysfs_validate_mem(struct netxen_adapter *adapter, | |
2475 | loff_t offset, size_t size) | |
2476 | { | |
2477 | if (!(adapter->flags & NETXEN_NIC_DIAG_ENABLED)) | |
2478 | return -EIO; | |
2479 | ||
2480 | if ((size != 8) || (offset & 0x7)) | |
2481 | return -EIO; | |
2482 | ||
2483 | return 0; | |
2484 | } | |
2485 | ||
2486 | static ssize_t | |
2487 | netxen_sysfs_read_mem(struct kobject *kobj, struct bin_attribute *attr, | |
2488 | char *buf, loff_t offset, size_t size) | |
2489 | { | |
2490 | struct device *dev = container_of(kobj, struct device, kobj); | |
2491 | struct netxen_adapter *adapter = dev_get_drvdata(dev); | |
2492 | u64 data; | |
2493 | int ret; | |
2494 | ||
2495 | ret = netxen_sysfs_validate_mem(adapter, offset, size); | |
2496 | if (ret != 0) | |
2497 | return ret; | |
2498 | ||
2499 | if (adapter->pci_mem_read(adapter, offset, &data)) | |
2500 | return -EIO; | |
2501 | ||
2502 | memcpy(buf, &data, size); | |
2503 | ||
2504 | return size; | |
2505 | } | |
2506 | ||
2507 | ssize_t netxen_sysfs_write_mem(struct kobject *kobj, | |
2508 | struct bin_attribute *attr, char *buf, | |
2509 | loff_t offset, size_t size) | |
2510 | { | |
2511 | struct device *dev = container_of(kobj, struct device, kobj); | |
2512 | struct netxen_adapter *adapter = dev_get_drvdata(dev); | |
2513 | u64 data; | |
2514 | int ret; | |
2515 | ||
2516 | ret = netxen_sysfs_validate_mem(adapter, offset, size); | |
2517 | if (ret != 0) | |
2518 | return ret; | |
2519 | ||
2520 | memcpy(&data, buf, size); | |
2521 | ||
2522 | if (adapter->pci_mem_write(adapter, offset, data)) | |
2523 | return -EIO; | |
2524 | ||
2525 | return size; | |
2526 | } | |
2527 | ||
2528 | ||
2529 | static struct bin_attribute bin_attr_crb = { | |
2530 | .attr = {.name = "crb", .mode = (S_IRUGO | S_IWUSR)}, | |
2531 | .size = 0, | |
2532 | .read = netxen_sysfs_read_crb, | |
2533 | .write = netxen_sysfs_write_crb, | |
2534 | }; | |
2535 | ||
2536 | static struct bin_attribute bin_attr_mem = { | |
2537 | .attr = {.name = "mem", .mode = (S_IRUGO | S_IWUSR)}, | |
2538 | .size = 0, | |
2539 | .read = netxen_sysfs_read_mem, | |
2540 | .write = netxen_sysfs_write_mem, | |
2541 | }; | |
2542 | ||
caa2dd53 | 2543 | |
fa3ce355 NK |
2544 | static void |
2545 | netxen_create_sysfs_entries(struct netxen_adapter *adapter) | |
2546 | { | |
2547 | struct net_device *netdev = adapter->netdev; | |
2548 | struct device *dev = &netdev->dev; | |
2549 | ||
2550 | if (adapter->capabilities & NX_FW_CAPABILITY_BDG) { | |
2551 | /* bridged_mode control */ | |
2552 | if (device_create_file(dev, &dev_attr_bridged_mode)) { | |
2553 | dev_warn(&netdev->dev, | |
2554 | "failed to create bridged_mode sysfs entry\n"); | |
2555 | } | |
2556 | } | |
2557 | } | |
2558 | ||
2559 | static void | |
2560 | netxen_remove_sysfs_entries(struct netxen_adapter *adapter) | |
2561 | { | |
2562 | struct net_device *netdev = adapter->netdev; | |
2563 | struct device *dev = &netdev->dev; | |
2564 | ||
2565 | if (adapter->capabilities & NX_FW_CAPABILITY_BDG) | |
2566 | device_remove_file(dev, &dev_attr_bridged_mode); | |
2567 | } | |
2568 | ||
70f9cf89 DP |
2569 | static void |
2570 | netxen_create_diag_entries(struct netxen_adapter *adapter) | |
2571 | { | |
2572 | struct pci_dev *pdev = adapter->pdev; | |
2573 | struct device *dev; | |
2574 | ||
2575 | dev = &pdev->dev; | |
2576 | if (device_create_file(dev, &dev_attr_diag_mode)) | |
2577 | dev_info(dev, "failed to create diag_mode sysfs entry\n"); | |
2578 | if (device_create_bin_file(dev, &bin_attr_crb)) | |
2579 | dev_info(dev, "failed to create crb sysfs entry\n"); | |
2580 | if (device_create_bin_file(dev, &bin_attr_mem)) | |
2581 | dev_info(dev, "failed to create mem sysfs entry\n"); | |
2582 | } | |
2583 | ||
2584 | ||
2585 | static void | |
2586 | netxen_remove_diag_entries(struct netxen_adapter *adapter) | |
2587 | { | |
2588 | struct pci_dev *pdev = adapter->pdev; | |
2589 | struct device *dev = &pdev->dev; | |
2590 | ||
2591 | device_remove_file(dev, &dev_attr_diag_mode); | |
2592 | device_remove_bin_file(dev, &bin_attr_crb); | |
2593 | device_remove_bin_file(dev, &bin_attr_mem); | |
2594 | } | |
2595 | ||
044824d9 DP |
2596 | #ifdef CONFIG_INET |
2597 | ||
6598b169 DP |
2598 | #define is_netxen_netdev(dev) (dev->netdev_ops == &netxen_netdev_ops) |
2599 | ||
2600 | static int | |
2601 | netxen_destip_supported(struct netxen_adapter *adapter) | |
2602 | { | |
2603 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) | |
2604 | return 0; | |
2605 | ||
2606 | if (adapter->ahw.cut_through) | |
2607 | return 0; | |
2608 | ||
2609 | return 1; | |
2610 | } | |
2611 | ||
d0725e4d AKS |
2612 | static void |
2613 | netxen_config_indev_addr(struct net_device *dev, unsigned long event) | |
2614 | { | |
2615 | struct in_device *indev; | |
2616 | struct netxen_adapter *adapter = netdev_priv(dev); | |
2617 | ||
3db76755 | 2618 | if (!netxen_destip_supported(adapter)) |
d0725e4d AKS |
2619 | return; |
2620 | ||
2621 | indev = in_dev_get(dev); | |
2622 | if (!indev) | |
2623 | return; | |
2624 | ||
2625 | for_ifa(indev) { | |
2626 | switch (event) { | |
2627 | case NETDEV_UP: | |
2628 | netxen_config_ipaddr(adapter, | |
2629 | ifa->ifa_address, NX_IP_UP); | |
2630 | break; | |
2631 | case NETDEV_DOWN: | |
2632 | netxen_config_ipaddr(adapter, | |
2633 | ifa->ifa_address, NX_IP_DOWN); | |
2634 | break; | |
2635 | default: | |
2636 | break; | |
2637 | } | |
2638 | } endfor_ifa(indev); | |
2639 | ||
2640 | in_dev_put(indev); | |
2641 | return; | |
2642 | } | |
2643 | ||
6598b169 DP |
2644 | static int netxen_netdev_event(struct notifier_block *this, |
2645 | unsigned long event, void *ptr) | |
2646 | { | |
2647 | struct netxen_adapter *adapter; | |
2648 | struct net_device *dev = (struct net_device *)ptr; | |
6598b169 DP |
2649 | |
2650 | recheck: | |
2651 | if (dev == NULL) | |
2652 | goto done; | |
2653 | ||
2654 | if (dev->priv_flags & IFF_802_1Q_VLAN) { | |
2655 | dev = vlan_dev_real_dev(dev); | |
2656 | goto recheck; | |
2657 | } | |
2658 | ||
2659 | if (!is_netxen_netdev(dev)) | |
2660 | goto done; | |
2661 | ||
2662 | adapter = netdev_priv(dev); | |
2663 | ||
d0725e4d | 2664 | if (!adapter) |
6598b169 DP |
2665 | goto done; |
2666 | ||
2667 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) | |
2668 | goto done; | |
2669 | ||
d0725e4d | 2670 | netxen_config_indev_addr(dev, event); |
6598b169 DP |
2671 | done: |
2672 | return NOTIFY_DONE; | |
2673 | } | |
2674 | ||
2675 | static int | |
2676 | netxen_inetaddr_event(struct notifier_block *this, | |
2677 | unsigned long event, void *ptr) | |
2678 | { | |
2679 | struct netxen_adapter *adapter; | |
2680 | struct net_device *dev; | |
2681 | ||
2682 | struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; | |
2683 | ||
2684 | dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; | |
2685 | ||
2686 | recheck: | |
2687 | if (dev == NULL || !netif_running(dev)) | |
2688 | goto done; | |
2689 | ||
2690 | if (dev->priv_flags & IFF_802_1Q_VLAN) { | |
2691 | dev = vlan_dev_real_dev(dev); | |
2692 | goto recheck; | |
2693 | } | |
2694 | ||
2695 | if (!is_netxen_netdev(dev)) | |
2696 | goto done; | |
2697 | ||
2698 | adapter = netdev_priv(dev); | |
2699 | ||
2700 | if (!adapter || !netxen_destip_supported(adapter)) | |
2701 | goto done; | |
2702 | ||
2703 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) | |
2704 | goto done; | |
2705 | ||
2706 | switch (event) { | |
2707 | case NETDEV_UP: | |
2708 | netxen_config_ipaddr(adapter, ifa->ifa_address, NX_IP_UP); | |
2709 | break; | |
2710 | case NETDEV_DOWN: | |
2711 | netxen_config_ipaddr(adapter, ifa->ifa_address, NX_IP_DOWN); | |
2712 | break; | |
2713 | default: | |
2714 | break; | |
2715 | } | |
2716 | ||
2717 | done: | |
2718 | return NOTIFY_DONE; | |
2719 | } | |
2720 | ||
2721 | static struct notifier_block netxen_netdev_cb = { | |
2722 | .notifier_call = netxen_netdev_event, | |
2723 | }; | |
2724 | ||
2725 | static struct notifier_block netxen_inetaddr_cb = { | |
2726 | .notifier_call = netxen_inetaddr_event, | |
2727 | }; | |
9feae56c RD |
2728 | #else |
2729 | static void | |
2730 | netxen_config_indev_addr(struct net_device *dev, unsigned long event) | |
2731 | { } | |
044824d9 | 2732 | #endif |
6598b169 | 2733 | |
3d396eb1 AK |
2734 | static struct pci_driver netxen_driver = { |
2735 | .name = netxen_nic_driver_name, | |
2736 | .id_table = netxen_pci_tbl, | |
2737 | .probe = netxen_nic_probe, | |
0b72e659 | 2738 | .remove = __devexit_p(netxen_nic_remove), |
01542cd1 | 2739 | #ifdef CONFIG_PM |
0b72e659 | 2740 | .suspend = netxen_nic_suspend, |
22b5794b | 2741 | .resume = netxen_nic_resume, |
01542cd1 | 2742 | #endif |
22b5794b | 2743 | .shutdown = netxen_nic_shutdown |
3d396eb1 AK |
2744 | }; |
2745 | ||
3d396eb1 AK |
2746 | static int __init netxen_init_module(void) |
2747 | { | |
ff4fbd43 DP |
2748 | printk(KERN_INFO "%s\n", netxen_nic_driver_string); |
2749 | ||
044824d9 | 2750 | #ifdef CONFIG_INET |
6598b169 DP |
2751 | register_netdevice_notifier(&netxen_netdev_cb); |
2752 | register_inetaddr_notifier(&netxen_inetaddr_cb); | |
044824d9 | 2753 | #endif |
184231bd | 2754 | return pci_register_driver(&netxen_driver); |
3d396eb1 AK |
2755 | } |
2756 | ||
2757 | module_init(netxen_init_module); | |
2758 | ||
2759 | static void __exit netxen_exit_module(void) | |
2760 | { | |
3d396eb1 | 2761 | pci_unregister_driver(&netxen_driver); |
6598b169 | 2762 | |
044824d9 | 2763 | #ifdef CONFIG_INET |
6598b169 DP |
2764 | unregister_inetaddr_notifier(&netxen_inetaddr_cb); |
2765 | unregister_netdevice_notifier(&netxen_netdev_cb); | |
044824d9 | 2766 | #endif |
3d396eb1 AK |
2767 | } |
2768 | ||
2769 | module_exit(netxen_exit_module); |