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 | 21 | * The full GNU General Public License is included in this distribution |
4d21fef4 | 22 | * in the file called "COPYING". |
80922fbc | 23 | * |
3d396eb1 AK |
24 | */ |
25 | ||
5a0e3ad6 | 26 | #include <linux/slab.h> |
cb8011ad | 27 | #include <linux/vmalloc.h> |
e98e3350 | 28 | #include <linux/interrupt.h> |
3d396eb1 AK |
29 | #include "netxen_nic_hw.h" |
30 | ||
31 | #include "netxen_nic.h" | |
3d396eb1 | 32 | |
1494a814 | 33 | #include <linux/dma-mapping.h> |
391587c3 | 34 | #include <linux/if_vlan.h> |
c9bdd4b5 | 35 | #include <net/ip.h> |
00977784 | 36 | #include <linux/ipv6.h> |
6598b169 | 37 | #include <linux/inetdevice.h> |
0531d7b8 | 38 | #include <linux/sysfs.h> |
e87ad553 | 39 | #include <linux/aer.h> |
1494a814 | 40 | |
c25c0b9b | 41 | MODULE_DESCRIPTION("QLogic/NetXen (1/10) GbE Converged Ethernet Driver"); |
3d396eb1 AK |
42 | MODULE_LICENSE("GPL"); |
43 | MODULE_VERSION(NETXEN_NIC_LINUX_VERSIONID); | |
7e8e5d97 DP |
44 | MODULE_FIRMWARE(NX_P2_MN_ROMIMAGE_NAME); |
45 | MODULE_FIRMWARE(NX_P3_CT_ROMIMAGE_NAME); | |
46 | MODULE_FIRMWARE(NX_P3_MN_ROMIMAGE_NAME); | |
47 | MODULE_FIRMWARE(NX_UNIFIED_ROMIMAGE_NAME); | |
3d396eb1 | 48 | |
ceded32f | 49 | char netxen_nic_driver_name[] = "netxen_nic"; |
c25c0b9b | 50 | static char netxen_nic_driver_string[] = "QLogic/NetXen Network Driver v" |
cb8011ad | 51 | NETXEN_NIC_LINUX_VERSIONID; |
3d396eb1 | 52 | |
2956640d DP |
53 | static int port_mode = NETXEN_PORT_MODE_AUTO_NEG; |
54 | ||
55 | /* Default to restricted 1G auto-neg mode */ | |
56 | static int wol_port_mode = 5; | |
57 | ||
58 | static int use_msi = 1; | |
59 | ||
60 | static int use_msi_x = 1; | |
61 | ||
afdafff1 SH |
62 | static int auto_fw_reset = AUTO_FW_RESET_ENABLED; |
63 | module_param(auto_fw_reset, int, 0644); | |
64 | MODULE_PARM_DESC(auto_fw_reset,"Auto firmware reset (0=disabled, 1=enabled"); | |
caa2dd53 | 65 | |
3d396eb1 | 66 | static int __devinit netxen_nic_probe(struct pci_dev *pdev, |
2956640d | 67 | const struct pci_device_id *ent); |
3d396eb1 AK |
68 | static void __devexit netxen_nic_remove(struct pci_dev *pdev); |
69 | static int netxen_nic_open(struct net_device *netdev); | |
70 | static int netxen_nic_close(struct net_device *netdev); | |
61357325 SH |
71 | static netdev_tx_t netxen_nic_xmit_frame(struct sk_buff *, |
72 | struct net_device *); | |
3d396eb1 | 73 | static void netxen_tx_timeout(struct net_device *netdev); |
74c520da | 74 | static void netxen_tx_timeout_task(struct work_struct *work); |
6a581e93 DP |
75 | static void netxen_fw_poll_work(struct work_struct *work); |
76 | static void netxen_schedule_work(struct netxen_adapter *adapter, | |
77 | work_func_t func, int delay); | |
78 | static void netxen_cancel_fw_work(struct netxen_adapter *adapter); | |
bea3348e | 79 | static int netxen_nic_poll(struct napi_struct *napi, int budget); |
3d396eb1 AK |
80 | #ifdef CONFIG_NET_POLL_CONTROLLER |
81 | static void netxen_nic_poll_controller(struct net_device *netdev); | |
82 | #endif | |
fa3ce355 NK |
83 | |
84 | static void netxen_create_sysfs_entries(struct netxen_adapter *adapter); | |
85 | static void netxen_remove_sysfs_entries(struct netxen_adapter *adapter); | |
70f9cf89 DP |
86 | static void netxen_create_diag_entries(struct netxen_adapter *adapter); |
87 | static void netxen_remove_diag_entries(struct netxen_adapter *adapter); | |
fa3ce355 | 88 | |
e87ad553 | 89 | static int nx_dev_request_aer(struct netxen_adapter *adapter); |
6a581e93 DP |
90 | static int nx_decr_dev_ref_cnt(struct netxen_adapter *adapter); |
91 | static int netxen_can_start_firmware(struct netxen_adapter *adapter); | |
92 | ||
1494a814 | 93 | static irqreturn_t netxen_intr(int irq, void *data); |
05aaa02d | 94 | static irqreturn_t netxen_msi_intr(int irq, void *data); |
b3df68f8 | 95 | static irqreturn_t netxen_msix_intr(int irq, void *data); |
3d396eb1 | 96 | |
d0725e4d AKS |
97 | static void netxen_config_indev_addr(struct net_device *dev, unsigned long); |
98 | ||
3d396eb1 | 99 | /* PCI Device ID Table */ |
70081ac5 | 100 | #define ENTRY(device) \ |
040dec3b | 101 | {PCI_DEVICE(PCI_VENDOR_ID_NETXEN, (device)), \ |
70081ac5 AV |
102 | .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0} |
103 | ||
a3aa1884 | 104 | static DEFINE_PCI_DEVICE_TABLE(netxen_pci_tbl) = { |
040dec3b DP |
105 | ENTRY(PCI_DEVICE_ID_NX2031_10GXSR), |
106 | ENTRY(PCI_DEVICE_ID_NX2031_10GCX4), | |
107 | ENTRY(PCI_DEVICE_ID_NX2031_4GCU), | |
108 | ENTRY(PCI_DEVICE_ID_NX2031_IMEZ), | |
109 | ENTRY(PCI_DEVICE_ID_NX2031_HMEZ), | |
110 | ENTRY(PCI_DEVICE_ID_NX2031_XG_MGMT), | |
111 | ENTRY(PCI_DEVICE_ID_NX2031_XG_MGMT2), | |
112 | ENTRY(PCI_DEVICE_ID_NX3031), | |
3d396eb1 AK |
113 | {0,} |
114 | }; | |
115 | ||
116 | MODULE_DEVICE_TABLE(pci, netxen_pci_tbl); | |
117 | ||
7830b22c DP |
118 | static uint32_t crb_cmd_producer[4] = { |
119 | CRB_CMD_PRODUCER_OFFSET, CRB_CMD_PRODUCER_OFFSET_1, | |
120 | CRB_CMD_PRODUCER_OFFSET_2, CRB_CMD_PRODUCER_OFFSET_3 | |
121 | }; | |
122 | ||
c9fc891f | 123 | void |
3ce06a32 | 124 | netxen_nic_update_cmd_producer(struct netxen_adapter *adapter, |
cb2107be | 125 | struct nx_host_tx_ring *tx_ring) |
3176ff3e | 126 | { |
195c5f98 | 127 | NXWRIO(adapter, tx_ring->crb_cmd_producer, tx_ring->producer); |
cb2107be DP |
128 | |
129 | if (netxen_tx_avail(tx_ring) <= TX_STOP_THRESH) { | |
130 | netif_stop_queue(adapter->netdev); | |
131 | smp_mb(); | |
132 | } | |
3176ff3e MT |
133 | } |
134 | ||
7830b22c DP |
135 | static uint32_t crb_cmd_consumer[4] = { |
136 | CRB_CMD_CONSUMER_OFFSET, CRB_CMD_CONSUMER_OFFSET_1, | |
137 | CRB_CMD_CONSUMER_OFFSET_2, CRB_CMD_CONSUMER_OFFSET_3 | |
138 | }; | |
139 | ||
3ce06a32 DP |
140 | static inline void |
141 | netxen_nic_update_cmd_consumer(struct netxen_adapter *adapter, | |
cb2107be | 142 | struct nx_host_tx_ring *tx_ring) |
3176ff3e | 143 | { |
195c5f98 | 144 | NXWRIO(adapter, tx_ring->crb_cmd_consumer, tx_ring->sw_consumer); |
3176ff3e MT |
145 | } |
146 | ||
2956640d | 147 | static uint32_t msi_tgt_status[8] = { |
443be796 | 148 | ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, |
2956640d DP |
149 | ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3, |
150 | ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5, | |
151 | ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7 | |
443be796 DP |
152 | }; |
153 | ||
2956640d DP |
154 | static struct netxen_legacy_intr_set legacy_intr[] = NX_LEGACY_INTR_CONFIG; |
155 | ||
d8b100c5 | 156 | static inline void netxen_nic_disable_int(struct nx_host_sds_ring *sds_ring) |
4638aef1 | 157 | { |
d8b100c5 DP |
158 | struct netxen_adapter *adapter = sds_ring->adapter; |
159 | ||
195c5f98 | 160 | NXWRIO(adapter, sds_ring->crb_intr_mask, 0); |
4638aef1 SH |
161 | } |
162 | ||
d8b100c5 | 163 | static inline void netxen_nic_enable_int(struct nx_host_sds_ring *sds_ring) |
4638aef1 | 164 | { |
d8b100c5 DP |
165 | struct netxen_adapter *adapter = sds_ring->adapter; |
166 | ||
195c5f98 | 167 | NXWRIO(adapter, sds_ring->crb_intr_mask, 0x1); |
4638aef1 | 168 | |
092bc571 | 169 | if (!NETXEN_IS_MSI_FAMILY(adapter)) |
195c5f98 | 170 | NXWRIO(adapter, adapter->tgt_mask_reg, 0xfbff); |
4638aef1 SH |
171 | } |
172 | ||
71dcddbd DP |
173 | static int |
174 | netxen_alloc_sds_rings(struct netxen_recv_context *recv_ctx, int count) | |
175 | { | |
176 | int size = sizeof(struct nx_host_sds_ring) * count; | |
177 | ||
178 | recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL); | |
179 | ||
180 | return (recv_ctx->sds_rings == NULL); | |
181 | } | |
182 | ||
d8b100c5 | 183 | static void |
71dcddbd DP |
184 | netxen_free_sds_rings(struct netxen_recv_context *recv_ctx) |
185 | { | |
186 | if (recv_ctx->sds_rings != NULL) | |
187 | kfree(recv_ctx->sds_rings); | |
232e7d68 DP |
188 | |
189 | recv_ctx->sds_rings = NULL; | |
71dcddbd DP |
190 | } |
191 | ||
192 | static int | |
d8b100c5 DP |
193 | netxen_napi_add(struct netxen_adapter *adapter, struct net_device *netdev) |
194 | { | |
195 | int ring; | |
196 | struct nx_host_sds_ring *sds_ring; | |
197 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; | |
198 | ||
71dcddbd | 199 | if (netxen_alloc_sds_rings(recv_ctx, adapter->max_sds_rings)) |
f17443f4 | 200 | return -ENOMEM; |
71dcddbd | 201 | |
d8b100c5 DP |
202 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
203 | sds_ring = &recv_ctx->sds_rings[ring]; | |
204 | netif_napi_add(netdev, &sds_ring->napi, | |
205 | netxen_nic_poll, NETXEN_NETDEV_WEIGHT); | |
206 | } | |
71dcddbd DP |
207 | |
208 | return 0; | |
d8b100c5 DP |
209 | } |
210 | ||
232e7d68 DP |
211 | static void |
212 | netxen_napi_del(struct netxen_adapter *adapter) | |
213 | { | |
214 | int ring; | |
215 | struct nx_host_sds_ring *sds_ring; | |
216 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; | |
217 | ||
218 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
219 | sds_ring = &recv_ctx->sds_rings[ring]; | |
220 | netif_napi_del(&sds_ring->napi); | |
221 | } | |
222 | ||
223 | netxen_free_sds_rings(&adapter->recv_ctx); | |
224 | } | |
225 | ||
d8b100c5 DP |
226 | static void |
227 | netxen_napi_enable(struct netxen_adapter *adapter) | |
228 | { | |
229 | int ring; | |
230 | struct nx_host_sds_ring *sds_ring; | |
231 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; | |
232 | ||
233 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
234 | sds_ring = &recv_ctx->sds_rings[ring]; | |
235 | napi_enable(&sds_ring->napi); | |
236 | netxen_nic_enable_int(sds_ring); | |
237 | } | |
238 | } | |
239 | ||
240 | static void | |
241 | netxen_napi_disable(struct netxen_adapter *adapter) | |
242 | { | |
243 | int ring; | |
244 | struct nx_host_sds_ring *sds_ring; | |
245 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; | |
246 | ||
247 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
248 | sds_ring = &recv_ctx->sds_rings[ring]; | |
be339aee | 249 | netxen_nic_disable_int(sds_ring); |
b2af9cb0 DP |
250 | napi_synchronize(&sds_ring->napi); |
251 | napi_disable(&sds_ring->napi); | |
d8b100c5 DP |
252 | } |
253 | } | |
254 | ||
50c643e7 | 255 | static int nx_set_dma_mask(struct netxen_adapter *adapter) |
2956640d DP |
256 | { |
257 | struct pci_dev *pdev = adapter->pdev; | |
1f434f63 DP |
258 | uint64_t mask, cmask; |
259 | ||
260 | adapter->pci_using_dac = 0; | |
2956640d | 261 | |
6afd142f | 262 | mask = DMA_BIT_MASK(32); |
6afd142f | 263 | cmask = DMA_BIT_MASK(32); |
1f434f63 | 264 | |
50c643e7 | 265 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { |
1f434f63 | 266 | #ifndef CONFIG_IA64 |
6afd142f | 267 | mask = DMA_BIT_MASK(35); |
1f434f63 | 268 | #endif |
50c643e7 DP |
269 | } else { |
270 | mask = DMA_BIT_MASK(39); | |
271 | cmask = mask; | |
272 | } | |
273 | ||
2956640d | 274 | if (pci_set_dma_mask(pdev, mask) == 0 && |
1f434f63 | 275 | pci_set_consistent_dma_mask(pdev, cmask) == 0) { |
2956640d DP |
276 | adapter->pci_using_dac = 1; |
277 | return 0; | |
278 | } | |
2956640d | 279 | |
1f434f63 DP |
280 | return -EIO; |
281 | } | |
282 | ||
283 | /* Update addressable range if firmware supports it */ | |
284 | static int | |
285 | nx_update_dma_mask(struct netxen_adapter *adapter) | |
286 | { | |
287 | int change, shift, err; | |
50c643e7 | 288 | uint64_t mask, old_mask, old_cmask; |
1f434f63 DP |
289 | struct pci_dev *pdev = adapter->pdev; |
290 | ||
291 | change = 0; | |
292 | ||
f98a9f69 | 293 | shift = NXRD32(adapter, CRB_DMA_SHIFT); |
f60f7856 | 294 | if (shift > 32) |
1f434f63 DP |
295 | return 0; |
296 | ||
297 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id) && (shift > 9)) | |
298 | change = 1; | |
299 | else if ((adapter->ahw.revision_id == NX_P2_C1) && (shift <= 4)) | |
300 | change = 1; | |
301 | ||
302 | if (change) { | |
303 | old_mask = pdev->dma_mask; | |
50c643e7 DP |
304 | old_cmask = pdev->dev.coherent_dma_mask; |
305 | ||
f60f7856 | 306 | mask = DMA_BIT_MASK(32+shift); |
1f434f63 DP |
307 | |
308 | err = pci_set_dma_mask(pdev, mask); | |
309 | if (err) | |
50c643e7 DP |
310 | goto err_out; |
311 | ||
312 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { | |
313 | ||
314 | err = pci_set_consistent_dma_mask(pdev, mask); | |
315 | if (err) | |
316 | goto err_out; | |
317 | } | |
318 | dev_info(&pdev->dev, "using %d-bit dma mask\n", 32+shift); | |
2956640d DP |
319 | } |
320 | ||
2956640d | 321 | return 0; |
50c643e7 DP |
322 | |
323 | err_out: | |
324 | pci_set_dma_mask(pdev, old_mask); | |
325 | pci_set_consistent_dma_mask(pdev, old_cmask); | |
326 | return err; | |
2956640d DP |
327 | } |
328 | ||
2956640d DP |
329 | static int |
330 | netxen_check_hw_init(struct netxen_adapter *adapter, int first_boot) | |
331 | { | |
27c915a4 | 332 | u32 val, timeout; |
2956640d DP |
333 | |
334 | if (first_boot == 0x55555555) { | |
335 | /* This is the first boot after power up */ | |
f98a9f69 | 336 | NXWR32(adapter, NETXEN_CAM_RAM(0x1fc), NETXEN_BDINFO_MAGIC); |
27c915a4 DP |
337 | |
338 | if (!NX_IS_REVISION_P2(adapter->ahw.revision_id)) | |
339 | return 0; | |
2956640d DP |
340 | |
341 | /* PCI bus master workaround */ | |
f98a9f69 | 342 | first_boot = NXRD32(adapter, NETXEN_PCIE_REG(0x4)); |
2956640d DP |
343 | if (!(first_boot & 0x4)) { |
344 | first_boot |= 0x4; | |
f98a9f69 | 345 | NXWR32(adapter, NETXEN_PCIE_REG(0x4), first_boot); |
581e8ae4 | 346 | NXRD32(adapter, NETXEN_PCIE_REG(0x4)); |
2956640d DP |
347 | } |
348 | ||
349 | /* This is the first boot after power up */ | |
f98a9f69 | 350 | first_boot = NXRD32(adapter, NETXEN_ROMUSB_GLB_SW_RESET); |
2956640d DP |
351 | if (first_boot != 0x80000f) { |
352 | /* clear the register for future unloads/loads */ | |
f98a9f69 | 353 | NXWR32(adapter, NETXEN_CAM_RAM(0x1fc), 0); |
27c915a4 | 354 | return -EIO; |
2956640d DP |
355 | } |
356 | ||
27c915a4 | 357 | /* Start P2 boot loader */ |
f98a9f69 DP |
358 | val = NXRD32(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE); |
359 | NXWR32(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE, val | 0x1); | |
27c915a4 DP |
360 | timeout = 0; |
361 | do { | |
362 | msleep(1); | |
f98a9f69 | 363 | val = NXRD32(adapter, NETXEN_CAM_RAM(0x1fc)); |
27c915a4 DP |
364 | |
365 | if (++timeout > 5000) | |
366 | return -EIO; | |
367 | ||
368 | } while (val == NETXEN_BDINFO_MAGIC); | |
2956640d | 369 | } |
27c915a4 | 370 | return 0; |
2956640d DP |
371 | } |
372 | ||
373 | static void netxen_set_port_mode(struct netxen_adapter *adapter) | |
374 | { | |
375 | u32 val, data; | |
376 | ||
1e2d0059 | 377 | val = adapter->ahw.board_type; |
2956640d DP |
378 | if ((val == NETXEN_BRDTYPE_P3_HMEZ) || |
379 | (val == NETXEN_BRDTYPE_P3_XG_LOM)) { | |
380 | if (port_mode == NETXEN_PORT_MODE_802_3_AP) { | |
381 | data = NETXEN_PORT_MODE_802_3_AP; | |
f98a9f69 | 382 | NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data); |
2956640d DP |
383 | } else if (port_mode == NETXEN_PORT_MODE_XG) { |
384 | data = NETXEN_PORT_MODE_XG; | |
f98a9f69 | 385 | NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data); |
2956640d DP |
386 | } else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_1G) { |
387 | data = NETXEN_PORT_MODE_AUTO_NEG_1G; | |
f98a9f69 | 388 | NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data); |
2956640d DP |
389 | } else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_XG) { |
390 | data = NETXEN_PORT_MODE_AUTO_NEG_XG; | |
f98a9f69 | 391 | NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data); |
2956640d DP |
392 | } else { |
393 | data = NETXEN_PORT_MODE_AUTO_NEG; | |
f98a9f69 | 394 | NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data); |
2956640d DP |
395 | } |
396 | ||
397 | if ((wol_port_mode != NETXEN_PORT_MODE_802_3_AP) && | |
398 | (wol_port_mode != NETXEN_PORT_MODE_XG) && | |
399 | (wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_1G) && | |
400 | (wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_XG)) { | |
401 | wol_port_mode = NETXEN_PORT_MODE_AUTO_NEG; | |
402 | } | |
f98a9f69 | 403 | NXWR32(adapter, NETXEN_WOL_PORT_MODE, wol_port_mode); |
2956640d DP |
404 | } |
405 | } | |
406 | ||
2956640d DP |
407 | static void netxen_set_msix_bit(struct pci_dev *pdev, int enable) |
408 | { | |
409 | u32 control; | |
410 | int pos; | |
411 | ||
412 | pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX); | |
413 | if (pos) { | |
414 | pci_read_config_dword(pdev, pos, &control); | |
415 | if (enable) | |
416 | control |= PCI_MSIX_FLAGS_ENABLE; | |
417 | else | |
418 | control = 0; | |
419 | pci_write_config_dword(pdev, pos, control); | |
420 | } | |
421 | } | |
422 | ||
be339aee | 423 | static void netxen_init_msix_entries(struct netxen_adapter *adapter, int count) |
2956640d DP |
424 | { |
425 | int i; | |
426 | ||
be339aee | 427 | for (i = 0; i < count; i++) |
2956640d DP |
428 | adapter->msix_entries[i].entry = i; |
429 | } | |
430 | ||
9dc28efe DP |
431 | static int |
432 | netxen_read_mac_addr(struct netxen_adapter *adapter) | |
433 | { | |
434 | int i; | |
435 | unsigned char *p; | |
a03d2451 | 436 | u64 mac_addr; |
9dc28efe DP |
437 | struct net_device *netdev = adapter->netdev; |
438 | struct pci_dev *pdev = adapter->pdev; | |
439 | ||
9dc28efe DP |
440 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { |
441 | if (netxen_p3_get_mac_addr(adapter, &mac_addr) != 0) | |
442 | return -EIO; | |
443 | } else { | |
444 | if (netxen_get_flash_mac_addr(adapter, &mac_addr) != 0) | |
445 | return -EIO; | |
446 | } | |
447 | ||
448 | p = (unsigned char *)&mac_addr; | |
449 | for (i = 0; i < 6; i++) | |
450 | netdev->dev_addr[i] = *(p + 5 - i); | |
451 | ||
452 | memcpy(netdev->perm_addr, netdev->dev_addr, netdev->addr_len); | |
5d09e534 | 453 | memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len); |
9dc28efe DP |
454 | |
455 | /* set station address */ | |
456 | ||
e174961c JB |
457 | if (!is_valid_ether_addr(netdev->perm_addr)) |
458 | dev_warn(&pdev->dev, "Bad MAC address %pM.\n", netdev->dev_addr); | |
9dc28efe DP |
459 | |
460 | return 0; | |
461 | } | |
462 | ||
3d0a3cc9 DP |
463 | int netxen_nic_set_mac(struct net_device *netdev, void *p) |
464 | { | |
465 | struct netxen_adapter *adapter = netdev_priv(netdev); | |
466 | struct sockaddr *addr = p; | |
467 | ||
468 | if (!is_valid_ether_addr(addr->sa_data)) | |
469 | return -EINVAL; | |
470 | ||
471 | if (netif_running(netdev)) { | |
472 | netif_device_detach(netdev); | |
473 | netxen_napi_disable(adapter); | |
474 | } | |
475 | ||
5d09e534 | 476 | memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len); |
3d0a3cc9 DP |
477 | memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); |
478 | adapter->macaddr_set(adapter, addr->sa_data); | |
479 | ||
480 | if (netif_running(netdev)) { | |
481 | netif_device_attach(netdev); | |
482 | netxen_napi_enable(adapter); | |
483 | } | |
484 | return 0; | |
485 | } | |
486 | ||
1abd266f SH |
487 | static void netxen_set_multicast_list(struct net_device *dev) |
488 | { | |
489 | struct netxen_adapter *adapter = netdev_priv(dev); | |
490 | ||
3d0a3cc9 | 491 | adapter->set_multi(dev); |
1abd266f SH |
492 | } |
493 | ||
494 | static const struct net_device_ops netxen_netdev_ops = { | |
495 | .ndo_open = netxen_nic_open, | |
496 | .ndo_stop = netxen_nic_close, | |
497 | .ndo_start_xmit = netxen_nic_xmit_frame, | |
498 | .ndo_get_stats = netxen_nic_get_stats, | |
499 | .ndo_validate_addr = eth_validate_addr, | |
500 | .ndo_set_multicast_list = netxen_set_multicast_list, | |
501 | .ndo_set_mac_address = netxen_nic_set_mac, | |
502 | .ndo_change_mtu = netxen_nic_change_mtu, | |
503 | .ndo_tx_timeout = netxen_tx_timeout, | |
504 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
505 | .ndo_poll_controller = netxen_nic_poll_controller, | |
506 | #endif | |
507 | }; | |
508 | ||
97daee83 DP |
509 | static void |
510 | netxen_setup_intr(struct netxen_adapter *adapter) | |
511 | { | |
512 | struct netxen_legacy_intr_set *legacy_intrp; | |
513 | struct pci_dev *pdev = adapter->pdev; | |
be339aee DP |
514 | int err, num_msix; |
515 | ||
516 | if (adapter->rss_supported) { | |
517 | num_msix = (num_online_cpus() >= MSIX_ENTRIES_PER_ADAPTER) ? | |
518 | MSIX_ENTRIES_PER_ADAPTER : 2; | |
519 | } else | |
520 | num_msix = 1; | |
521 | ||
522 | adapter->max_sds_rings = 1; | |
97daee83 DP |
523 | |
524 | adapter->flags &= ~(NETXEN_NIC_MSI_ENABLED | NETXEN_NIC_MSIX_ENABLED); | |
97daee83 DP |
525 | |
526 | if (adapter->ahw.revision_id >= NX_P3_B0) | |
527 | legacy_intrp = &legacy_intr[adapter->ahw.pci_func]; | |
528 | else | |
529 | legacy_intrp = &legacy_intr[0]; | |
195c5f98 AKS |
530 | |
531 | adapter->int_vec_bit = legacy_intrp->int_vec_bit; | |
532 | adapter->tgt_status_reg = netxen_get_ioaddr(adapter, | |
533 | legacy_intrp->tgt_status_reg); | |
534 | adapter->tgt_mask_reg = netxen_get_ioaddr(adapter, | |
535 | legacy_intrp->tgt_mask_reg); | |
536 | adapter->pci_int_reg = netxen_get_ioaddr(adapter, | |
537 | legacy_intrp->pci_int_reg); | |
538 | adapter->isr_int_vec = netxen_get_ioaddr(adapter, ISR_INT_VECTOR); | |
539 | ||
540 | if (adapter->ahw.revision_id >= NX_P3_B1) | |
541 | adapter->crb_int_state_reg = netxen_get_ioaddr(adapter, | |
542 | ISR_INT_STATE_REG); | |
543 | else | |
544 | adapter->crb_int_state_reg = netxen_get_ioaddr(adapter, | |
545 | CRB_INT_VECTOR); | |
97daee83 DP |
546 | |
547 | netxen_set_msix_bit(pdev, 0); | |
548 | ||
549 | if (adapter->msix_supported) { | |
550 | ||
be339aee DP |
551 | netxen_init_msix_entries(adapter, num_msix); |
552 | err = pci_enable_msix(pdev, adapter->msix_entries, num_msix); | |
553 | if (err == 0) { | |
554 | adapter->flags |= NETXEN_NIC_MSIX_ENABLED; | |
555 | netxen_set_msix_bit(pdev, 1); | |
97daee83 | 556 | |
be339aee DP |
557 | if (adapter->rss_supported) |
558 | adapter->max_sds_rings = num_msix; | |
97daee83 | 559 | |
be339aee DP |
560 | dev_info(&pdev->dev, "using msi-x interrupts\n"); |
561 | return; | |
562 | } | |
563 | ||
564 | if (err > 0) | |
565 | pci_disable_msix(pdev); | |
566 | ||
567 | /* fall through for msi */ | |
97daee83 | 568 | } |
be339aee DP |
569 | |
570 | if (use_msi && !pci_enable_msi(pdev)) { | |
571 | adapter->flags |= NETXEN_NIC_MSI_ENABLED; | |
195c5f98 AKS |
572 | adapter->tgt_status_reg = netxen_get_ioaddr(adapter, |
573 | msi_tgt_status[adapter->ahw.pci_func]); | |
be339aee | 574 | dev_info(&pdev->dev, "using msi interrupts\n"); |
f67f3408 | 575 | adapter->msix_entries[0].vector = pdev->irq; |
be339aee DP |
576 | return; |
577 | } | |
578 | ||
579 | dev_info(&pdev->dev, "using legacy interrupts\n"); | |
580 | adapter->msix_entries[0].vector = pdev->irq; | |
97daee83 DP |
581 | } |
582 | ||
583 | static void | |
584 | netxen_teardown_intr(struct netxen_adapter *adapter) | |
585 | { | |
586 | if (adapter->flags & NETXEN_NIC_MSIX_ENABLED) | |
587 | pci_disable_msix(adapter->pdev); | |
588 | if (adapter->flags & NETXEN_NIC_MSI_ENABLED) | |
589 | pci_disable_msi(adapter->pdev); | |
590 | } | |
591 | ||
592 | static void | |
593 | netxen_cleanup_pci_map(struct netxen_adapter *adapter) | |
594 | { | |
595 | if (adapter->ahw.db_base != NULL) | |
596 | iounmap(adapter->ahw.db_base); | |
597 | if (adapter->ahw.pci_base0 != NULL) | |
598 | iounmap(adapter->ahw.pci_base0); | |
599 | if (adapter->ahw.pci_base1 != NULL) | |
600 | iounmap(adapter->ahw.pci_base1); | |
601 | if (adapter->ahw.pci_base2 != NULL) | |
602 | iounmap(adapter->ahw.pci_base2); | |
603 | } | |
604 | ||
605 | static int | |
606 | netxen_setup_pci_map(struct netxen_adapter *adapter) | |
607 | { | |
97daee83 DP |
608 | void __iomem *db_ptr = NULL; |
609 | ||
71fb62fb | 610 | resource_size_t mem_base, db_base; |
afbe5cd6 | 611 | unsigned long mem_len, db_len = 0; |
97daee83 DP |
612 | |
613 | struct pci_dev *pdev = adapter->pdev; | |
614 | int pci_func = adapter->ahw.pci_func; | |
afbe5cd6 | 615 | struct netxen_hardware_context *ahw = &adapter->ahw; |
97daee83 DP |
616 | |
617 | int err = 0; | |
618 | ||
619 | /* | |
620 | * Set the CRB window to invalid. If any register in window 0 is | |
621 | * accessed it should set the window to 0 and then reset it to 1. | |
622 | */ | |
907fa120 | 623 | adapter->ahw.crb_win = -1; |
47abe356 | 624 | adapter->ahw.ocm_win = -1; |
97daee83 DP |
625 | |
626 | /* remap phys address */ | |
627 | mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */ | |
628 | mem_len = pci_resource_len(pdev, 0); | |
97daee83 | 629 | |
97daee83 DP |
630 | /* 128 Meg of memory */ |
631 | if (mem_len == NETXEN_PCI_128MB_SIZE) { | |
afbe5cd6 AKS |
632 | |
633 | ahw->pci_base0 = ioremap(mem_base, FIRST_PAGE_GROUP_SIZE); | |
634 | ahw->pci_base1 = ioremap(mem_base + SECOND_PAGE_GROUP_START, | |
97daee83 | 635 | SECOND_PAGE_GROUP_SIZE); |
afbe5cd6 | 636 | ahw->pci_base2 = ioremap(mem_base + THIRD_PAGE_GROUP_START, |
97daee83 | 637 | THIRD_PAGE_GROUP_SIZE); |
afbe5cd6 AKS |
638 | if (ahw->pci_base0 == NULL || ahw->pci_base1 == NULL || |
639 | ahw->pci_base2 == NULL) { | |
640 | dev_err(&pdev->dev, "failed to map PCI bar 0\n"); | |
641 | err = -EIO; | |
642 | goto err_out; | |
643 | } | |
644 | ||
645 | ahw->pci_len0 = FIRST_PAGE_GROUP_SIZE; | |
646 | ||
97daee83 | 647 | } else if (mem_len == NETXEN_PCI_32MB_SIZE) { |
afbe5cd6 AKS |
648 | |
649 | ahw->pci_base1 = ioremap(mem_base, SECOND_PAGE_GROUP_SIZE); | |
650 | ahw->pci_base2 = ioremap(mem_base + THIRD_PAGE_GROUP_START - | |
97daee83 | 651 | SECOND_PAGE_GROUP_START, THIRD_PAGE_GROUP_SIZE); |
afbe5cd6 AKS |
652 | if (ahw->pci_base1 == NULL || ahw->pci_base2 == NULL) { |
653 | dev_err(&pdev->dev, "failed to map PCI bar 0\n"); | |
654 | err = -EIO; | |
655 | goto err_out; | |
656 | } | |
657 | ||
97daee83 | 658 | } else if (mem_len == NETXEN_PCI_2MB_SIZE) { |
97daee83 | 659 | |
afbe5cd6 AKS |
660 | ahw->pci_base0 = pci_ioremap_bar(pdev, 0); |
661 | if (ahw->pci_base0 == NULL) { | |
97daee83 DP |
662 | dev_err(&pdev->dev, "failed to map PCI bar 0\n"); |
663 | return -EIO; | |
664 | } | |
afbe5cd6 | 665 | ahw->pci_len0 = mem_len; |
97daee83 DP |
666 | } else { |
667 | return -EIO; | |
668 | } | |
669 | ||
195c5f98 AKS |
670 | netxen_setup_hwops(adapter); |
671 | ||
97daee83 DP |
672 | dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20)); |
673 | ||
6abb4b83 AKS |
674 | if (NX_IS_REVISION_P3P(adapter->ahw.revision_id)) { |
675 | adapter->ahw.ocm_win_crb = netxen_get_ioaddr(adapter, | |
676 | NETXEN_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(pci_func))); | |
677 | ||
678 | } else if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { | |
47abe356 DP |
679 | adapter->ahw.ocm_win_crb = netxen_get_ioaddr(adapter, |
680 | NETXEN_PCIX_PS_REG(PCIE_MN_WINDOW_REG(pci_func))); | |
681 | } | |
682 | ||
97daee83 DP |
683 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) |
684 | goto skip_doorbell; | |
685 | ||
686 | db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */ | |
687 | db_len = pci_resource_len(pdev, 4); | |
688 | ||
689 | if (db_len == 0) { | |
690 | printk(KERN_ERR "%s: doorbell is disabled\n", | |
691 | netxen_nic_driver_name); | |
692 | err = -EIO; | |
693 | goto err_out; | |
694 | } | |
695 | ||
696 | db_ptr = ioremap(db_base, NETXEN_DB_MAPSIZE_BYTES); | |
697 | if (!db_ptr) { | |
698 | printk(KERN_ERR "%s: Failed to allocate doorbell map.", | |
699 | netxen_nic_driver_name); | |
700 | err = -EIO; | |
701 | goto err_out; | |
702 | } | |
703 | ||
704 | skip_doorbell: | |
705 | adapter->ahw.db_base = db_ptr; | |
706 | adapter->ahw.db_len = db_len; | |
707 | return 0; | |
708 | ||
709 | err_out: | |
710 | netxen_cleanup_pci_map(adapter); | |
711 | return err; | |
712 | } | |
713 | ||
2b9e62ee DP |
714 | static void |
715 | netxen_check_options(struct netxen_adapter *adapter) | |
716 | { | |
717 | u32 fw_major, fw_minor, fw_build; | |
718 | char brd_name[NETXEN_MAX_SHORT_NAME]; | |
719 | char serial_num[32]; | |
720 | int i, offset, val; | |
721 | int *ptr32; | |
722 | struct pci_dev *pdev = adapter->pdev; | |
723 | ||
724 | adapter->driver_mismatch = 0; | |
725 | ||
726 | ptr32 = (int *)&serial_num; | |
727 | offset = NX_FW_SERIAL_NUM_OFFSET; | |
728 | for (i = 0; i < 8; i++) { | |
729 | if (netxen_rom_fast_read(adapter, offset, &val) == -1) { | |
730 | dev_err(&pdev->dev, "error reading board info\n"); | |
731 | adapter->driver_mismatch = 1; | |
732 | return; | |
733 | } | |
734 | ptr32[i] = cpu_to_le32(val); | |
735 | offset += sizeof(u32); | |
736 | } | |
737 | ||
738 | fw_major = NXRD32(adapter, NETXEN_FW_VERSION_MAJOR); | |
739 | fw_minor = NXRD32(adapter, NETXEN_FW_VERSION_MINOR); | |
740 | fw_build = NXRD32(adapter, NETXEN_FW_VERSION_SUB); | |
741 | ||
742 | adapter->fw_version = NETXEN_VERSION_CODE(fw_major, fw_minor, fw_build); | |
743 | ||
744 | if (adapter->portnum == 0) { | |
745 | get_brd_name_by_type(adapter->ahw.board_type, brd_name); | |
746 | ||
c25c0b9b DP |
747 | pr_info("%s: %s Board S/N %s Chip rev 0x%x\n", |
748 | module_name(THIS_MODULE), | |
2b9e62ee DP |
749 | brd_name, serial_num, adapter->ahw.revision_id); |
750 | } | |
751 | ||
752 | if (adapter->fw_version < NETXEN_VERSION_CODE(3, 4, 216)) { | |
753 | adapter->driver_mismatch = 1; | |
754 | dev_warn(&pdev->dev, "firmware version %d.%d.%d unsupported\n", | |
755 | fw_major, fw_minor, fw_build); | |
756 | return; | |
757 | } | |
758 | ||
759 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { | |
760 | i = NXRD32(adapter, NETXEN_SRE_MISC); | |
761 | adapter->ahw.cut_through = (i & 0x8000) ? 1 : 0; | |
762 | } | |
763 | ||
764 | dev_info(&pdev->dev, "firmware v%d.%d.%d [%s]\n", | |
765 | fw_major, fw_minor, fw_build, | |
766 | adapter->ahw.cut_through ? "cut-through" : "legacy"); | |
767 | ||
768 | if (adapter->fw_version >= NETXEN_VERSION_CODE(4, 0, 222)) | |
769 | adapter->capabilities = NXRD32(adapter, CRB_FW_CAPABILITIES_1); | |
770 | ||
771 | adapter->flags &= ~NETXEN_NIC_LRO_ENABLED; | |
772 | ||
773 | if (adapter->ahw.port_type == NETXEN_NIC_XGBE) { | |
774 | adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G; | |
775 | adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; | |
776 | } else if (adapter->ahw.port_type == NETXEN_NIC_GBE) { | |
777 | adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; | |
778 | adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; | |
779 | } | |
780 | ||
781 | adapter->msix_supported = 0; | |
782 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { | |
783 | adapter->msix_supported = !!use_msi_x; | |
784 | adapter->rss_supported = !!use_msi_x; | |
083ba279 AKS |
785 | } else { |
786 | u32 flashed_ver = 0; | |
787 | netxen_rom_fast_read(adapter, | |
788 | NX_FW_VERSION_OFFSET, (int *)&flashed_ver); | |
789 | flashed_ver = NETXEN_DECODE_VERSION(flashed_ver); | |
790 | ||
791 | if (flashed_ver >= NETXEN_VERSION_CODE(3, 4, 336)) { | |
792 | switch (adapter->ahw.board_type) { | |
793 | case NETXEN_BRDTYPE_P2_SB31_10G: | |
794 | case NETXEN_BRDTYPE_P2_SB31_10G_CX4: | |
795 | adapter->msix_supported = !!use_msi_x; | |
796 | adapter->rss_supported = !!use_msi_x; | |
797 | break; | |
798 | default: | |
799 | break; | |
800 | } | |
2b9e62ee DP |
801 | } |
802 | } | |
803 | ||
804 | adapter->num_txd = MAX_CMD_DESCRIPTORS; | |
805 | ||
806 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { | |
807 | adapter->num_lro_rxd = MAX_LRO_RCV_DESCRIPTORS; | |
808 | adapter->max_rds_rings = 3; | |
809 | } else { | |
810 | adapter->num_lro_rxd = 0; | |
811 | adapter->max_rds_rings = 2; | |
812 | } | |
813 | } | |
814 | ||
ba599d4f | 815 | static int |
6a581e93 | 816 | netxen_start_firmware(struct netxen_adapter *adapter) |
ba599d4f DP |
817 | { |
818 | int val, err, first_boot; | |
819 | struct pci_dev *pdev = adapter->pdev; | |
820 | ||
2b9e62ee DP |
821 | /* required for NX2031 dummy dma */ |
822 | err = nx_set_dma_mask(adapter); | |
823 | if (err) | |
824 | return err; | |
825 | ||
6a581e93 | 826 | if (!netxen_can_start_firmware(adapter)) |
96f2ebd2 | 827 | goto wait_init; |
0b72e659 | 828 | |
f98a9f69 | 829 | first_boot = NXRD32(adapter, NETXEN_CAM_RAM(0x1fc)); |
ba599d4f DP |
830 | |
831 | err = netxen_check_hw_init(adapter, first_boot); | |
832 | if (err) { | |
833 | dev_err(&pdev->dev, "error in init HW init sequence\n"); | |
834 | return err; | |
835 | } | |
836 | ||
6a581e93 | 837 | netxen_request_firmware(adapter); |
f7185c71 | 838 | |
67c38fc6 | 839 | err = netxen_need_fw_reset(adapter); |
1dbc84a7 | 840 | if (err < 0) |
db4cfd8a | 841 | goto err_out; |
1dbc84a7 | 842 | if (err == 0) |
8f9b3f69 | 843 | goto wait_init; |
67c38fc6 | 844 | |
ba599d4f | 845 | if (first_boot != 0x55555555) { |
f98a9f69 | 846 | NXWR32(adapter, CRB_CMDPEG_STATE, 0); |
0be367bd | 847 | netxen_pinit_from_rom(adapter); |
ba599d4f DP |
848 | msleep(1); |
849 | } | |
567c6c4e | 850 | |
f98a9f69 | 851 | NXWR32(adapter, CRB_DMA_SHIFT, 0x55555555); |
6a581e93 DP |
852 | NXWR32(adapter, NETXEN_PEG_HALT_STATUS1, 0); |
853 | NXWR32(adapter, NETXEN_PEG_HALT_STATUS2, 0); | |
854 | ||
567c6c4e DP |
855 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) |
856 | netxen_set_port_mode(adapter); | |
857 | ||
db4cfd8a DP |
858 | err = netxen_load_firmware(adapter); |
859 | if (err) | |
860 | goto err_out; | |
ba599d4f | 861 | |
6a581e93 DP |
862 | netxen_release_firmware(adapter); |
863 | ||
ba599d4f DP |
864 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { |
865 | ||
866 | /* Initialize multicast addr pool owners */ | |
867 | val = 0x7654; | |
1e2d0059 | 868 | if (adapter->ahw.port_type == NETXEN_NIC_XGBE) |
ba599d4f | 869 | val |= 0x0f000000; |
f98a9f69 | 870 | NXWR32(adapter, NETXEN_MAC_ADDR_CNTL_REG, val); |
ba599d4f DP |
871 | |
872 | } | |
873 | ||
83ac51fa | 874 | err = netxen_init_dummy_dma(adapter); |
ba599d4f | 875 | if (err) |
db4cfd8a | 876 | goto err_out; |
ba599d4f DP |
877 | |
878 | /* | |
879 | * Tell the hardware our version number. | |
880 | */ | |
881 | val = (_NETXEN_NIC_LINUX_MAJOR << 16) | |
882 | | ((_NETXEN_NIC_LINUX_MINOR << 8)) | |
883 | | (_NETXEN_NIC_LINUX_SUBVERSION); | |
f98a9f69 | 884 | NXWR32(adapter, CRB_DRIVER_VERSION, val); |
ba599d4f | 885 | |
96f2ebd2 | 886 | wait_init: |
ba599d4f DP |
887 | /* Handshake with the card before we register the devices. */ |
888 | err = netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE); | |
889 | if (err) { | |
83ac51fa | 890 | netxen_free_dummy_dma(adapter); |
db4cfd8a | 891 | goto err_out; |
ba599d4f DP |
892 | } |
893 | ||
8f9b3f69 AKS |
894 | NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_READY); |
895 | ||
68b3cae0 DP |
896 | nx_update_dma_mask(adapter); |
897 | ||
6a581e93 | 898 | netxen_check_options(adapter); |
68b3cae0 | 899 | |
74c520da AKS |
900 | adapter->need_fw_reset = 0; |
901 | ||
ec5c50cb | 902 | /* fall through and release firmware */ |
db4cfd8a DP |
903 | |
904 | err_out: | |
905 | netxen_release_firmware(adapter); | |
906 | return err; | |
ba599d4f DP |
907 | } |
908 | ||
9f5bc7f1 DP |
909 | static int |
910 | netxen_nic_request_irq(struct netxen_adapter *adapter) | |
911 | { | |
912 | irq_handler_t handler; | |
d8b100c5 DP |
913 | struct nx_host_sds_ring *sds_ring; |
914 | int err, ring; | |
915 | ||
9f5bc7f1 DP |
916 | unsigned long flags = IRQF_SAMPLE_RANDOM; |
917 | struct net_device *netdev = adapter->netdev; | |
d8b100c5 | 918 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; |
9f5bc7f1 | 919 | |
9f5bc7f1 DP |
920 | if (adapter->flags & NETXEN_NIC_MSIX_ENABLED) |
921 | handler = netxen_msix_intr; | |
922 | else if (adapter->flags & NETXEN_NIC_MSI_ENABLED) | |
923 | handler = netxen_msi_intr; | |
924 | else { | |
925 | flags |= IRQF_SHARED; | |
926 | handler = netxen_intr; | |
927 | } | |
928 | adapter->irq = netdev->irq; | |
929 | ||
d8b100c5 DP |
930 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
931 | sds_ring = &recv_ctx->sds_rings[ring]; | |
be339aee | 932 | sprintf(sds_ring->name, "%s[%d]", netdev->name, ring); |
d8b100c5 DP |
933 | err = request_irq(sds_ring->irq, handler, |
934 | flags, sds_ring->name, sds_ring); | |
935 | if (err) | |
936 | return err; | |
937 | } | |
938 | ||
939 | return 0; | |
940 | } | |
941 | ||
942 | static void | |
943 | netxen_nic_free_irq(struct netxen_adapter *adapter) | |
944 | { | |
945 | int ring; | |
946 | struct nx_host_sds_ring *sds_ring; | |
947 | ||
948 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; | |
949 | ||
950 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
951 | sds_ring = &recv_ctx->sds_rings[ring]; | |
952 | free_irq(sds_ring->irq, sds_ring); | |
953 | } | |
9f5bc7f1 DP |
954 | } |
955 | ||
ca2ef330 DP |
956 | static void |
957 | netxen_nic_init_coalesce_defaults(struct netxen_adapter *adapter) | |
958 | { | |
959 | adapter->coal.flags = NETXEN_NIC_INTR_DEFAULT; | |
960 | adapter->coal.normal.data.rx_time_us = | |
961 | NETXEN_DEFAULT_INTR_COALESCE_RX_TIME_US; | |
962 | adapter->coal.normal.data.rx_packets = | |
963 | NETXEN_DEFAULT_INTR_COALESCE_RX_PACKETS; | |
964 | adapter->coal.normal.data.tx_time_us = | |
965 | NETXEN_DEFAULT_INTR_COALESCE_TX_TIME_US; | |
966 | adapter->coal.normal.data.tx_packets = | |
967 | NETXEN_DEFAULT_INTR_COALESCE_TX_PACKETS; | |
968 | } | |
969 | ||
6f771419 | 970 | /* with rtnl_lock */ |
9f5bc7f1 | 971 | static int |
6f771419 | 972 | __netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev) |
9f5bc7f1 DP |
973 | { |
974 | int err; | |
975 | ||
db4cfd8a DP |
976 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) |
977 | return -EIO; | |
978 | ||
9f5bc7f1 DP |
979 | err = adapter->init_port(adapter, adapter->physical_port); |
980 | if (err) { | |
981 | printk(KERN_ERR "%s: Failed to initialize port %d\n", | |
982 | netxen_nic_driver_name, adapter->portnum); | |
983 | return err; | |
984 | } | |
3d0a3cc9 | 985 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) |
5d09e534 | 986 | adapter->macaddr_set(adapter, adapter->mac_addr); |
9f5bc7f1 | 987 | |
3d0a3cc9 DP |
988 | adapter->set_multi(netdev); |
989 | adapter->set_mtu(adapter, netdev->mtu); | |
9f5bc7f1 DP |
990 | |
991 | adapter->ahw.linkup = 0; | |
9f5bc7f1 | 992 | |
d8b100c5 DP |
993 | if (adapter->max_sds_rings > 1) |
994 | netxen_config_rss(adapter, 1); | |
9f5bc7f1 | 995 | |
ca2ef330 DP |
996 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) |
997 | netxen_config_intr_coalesce(adapter); | |
998 | ||
1bb482f8 NK |
999 | if (adapter->capabilities & NX_FW_CAPABILITY_HW_LRO) |
1000 | netxen_config_hw_lro(adapter, NETXEN_NIC_LRO_ENABLED); | |
1001 | ||
b2af9cb0 DP |
1002 | netxen_napi_enable(adapter); |
1003 | ||
5103c9f7 | 1004 | if (adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION) |
3bf26ce3 | 1005 | netxen_linkevent_request(adapter, 1); |
3d0a3cc9 DP |
1006 | else |
1007 | netxen_nic_set_link_parameters(adapter); | |
1008 | ||
6a581e93 | 1009 | set_bit(__NX_DEV_UP, &adapter->state); |
9f5bc7f1 DP |
1010 | return 0; |
1011 | } | |
1012 | ||
6f771419 AKS |
1013 | /* Usage: During resume and firmware recovery module.*/ |
1014 | ||
1015 | static inline int | |
1016 | netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev) | |
1017 | { | |
1018 | int err = 0; | |
1019 | ||
1020 | rtnl_lock(); | |
1021 | if (netif_running(netdev)) | |
1022 | err = __netxen_nic_up(adapter, netdev); | |
1023 | rtnl_unlock(); | |
1024 | ||
1025 | return err; | |
1026 | } | |
1027 | ||
1028 | /* with rtnl_lock */ | |
9f5bc7f1 | 1029 | static void |
6f771419 | 1030 | __netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev) |
9f5bc7f1 | 1031 | { |
db4cfd8a DP |
1032 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) |
1033 | return; | |
1034 | ||
f2251f66 AKS |
1035 | if (!test_and_clear_bit(__NX_DEV_UP, &adapter->state)) |
1036 | return; | |
6a581e93 | 1037 | |
f2251f66 | 1038 | smp_mb(); |
b2af9cb0 | 1039 | spin_lock(&adapter->tx_clean_lock); |
9f5bc7f1 | 1040 | netif_carrier_off(netdev); |
b2af9cb0 | 1041 | netif_tx_disable(netdev); |
9f5bc7f1 DP |
1042 | |
1043 | if (adapter->stop_port) | |
1044 | adapter->stop_port(adapter); | |
1045 | ||
5cf4d323 DP |
1046 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) |
1047 | netxen_p3_free_mac_list(adapter); | |
1048 | ||
22b5794b AKS |
1049 | adapter->set_promisc(adapter, NETXEN_NIU_NON_PROMISC_MODE); |
1050 | ||
be339aee DP |
1051 | netxen_napi_disable(adapter); |
1052 | ||
9f5bc7f1 | 1053 | netxen_release_tx_buffers(adapter); |
b2af9cb0 | 1054 | spin_unlock(&adapter->tx_clean_lock); |
9f5bc7f1 DP |
1055 | } |
1056 | ||
6f771419 AKS |
1057 | /* Usage: During suspend and firmware recovery module */ |
1058 | ||
1059 | static inline void | |
1060 | netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev) | |
1061 | { | |
1062 | rtnl_lock(); | |
1063 | if (netif_running(netdev)) | |
1064 | __netxen_nic_down(adapter, netdev); | |
1065 | rtnl_unlock(); | |
1066 | ||
1067 | } | |
9f5bc7f1 DP |
1068 | |
1069 | static int | |
1070 | netxen_nic_attach(struct netxen_adapter *adapter) | |
1071 | { | |
1072 | struct net_device *netdev = adapter->netdev; | |
1073 | struct pci_dev *pdev = adapter->pdev; | |
becf46a0 | 1074 | int err, ring; |
d8b100c5 | 1075 | struct nx_host_rds_ring *rds_ring; |
d877f1e3 | 1076 | struct nx_host_tx_ring *tx_ring; |
9f5bc7f1 | 1077 | |
7042cd8f AKS |
1078 | if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) |
1079 | return 0; | |
1080 | ||
9f5bc7f1 | 1081 | err = netxen_init_firmware(adapter); |
232e7d68 DP |
1082 | if (err) |
1083 | return err; | |
1084 | ||
1085 | err = netxen_napi_add(adapter, netdev); | |
1086 | if (err) | |
1087 | return err; | |
9f5bc7f1 | 1088 | |
9f5bc7f1 DP |
1089 | err = netxen_alloc_sw_resources(adapter); |
1090 | if (err) { | |
1091 | printk(KERN_ERR "%s: Error in setting sw resources\n", | |
1092 | netdev->name); | |
1093 | return err; | |
1094 | } | |
1095 | ||
9f5bc7f1 DP |
1096 | err = netxen_alloc_hw_resources(adapter); |
1097 | if (err) { | |
1098 | printk(KERN_ERR "%s: Error in setting hw resources\n", | |
1099 | netdev->name); | |
1100 | goto err_out_free_sw; | |
1101 | } | |
1102 | ||
4f96b988 | 1103 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { |
4ea528a1 | 1104 | tx_ring = adapter->tx_ring; |
195c5f98 AKS |
1105 | tx_ring->crb_cmd_producer = netxen_get_ioaddr(adapter, |
1106 | crb_cmd_producer[adapter->portnum]); | |
1107 | tx_ring->crb_cmd_consumer = netxen_get_ioaddr(adapter, | |
1108 | crb_cmd_consumer[adapter->portnum]); | |
9f5bc7f1 | 1109 | |
cb2107be DP |
1110 | tx_ring->producer = 0; |
1111 | tx_ring->sw_consumer = 0; | |
1112 | ||
1113 | netxen_nic_update_cmd_producer(adapter, tx_ring); | |
1114 | netxen_nic_update_cmd_consumer(adapter, tx_ring); | |
9f5bc7f1 DP |
1115 | } |
1116 | ||
d8b100c5 DP |
1117 | for (ring = 0; ring < adapter->max_rds_rings; ring++) { |
1118 | rds_ring = &adapter->recv_ctx.rds_rings[ring]; | |
1119 | netxen_post_rx_buffers(adapter, ring, rds_ring); | |
1120 | } | |
9f5bc7f1 DP |
1121 | |
1122 | err = netxen_nic_request_irq(adapter); | |
1123 | if (err) { | |
1124 | dev_err(&pdev->dev, "%s: failed to setup interrupt\n", | |
1125 | netdev->name); | |
1126 | goto err_out_free_rxbuf; | |
1127 | } | |
1128 | ||
ca2ef330 DP |
1129 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) |
1130 | netxen_nic_init_coalesce_defaults(adapter); | |
1131 | ||
fa3ce355 NK |
1132 | netxen_create_sysfs_entries(adapter); |
1133 | ||
9f5bc7f1 DP |
1134 | adapter->is_up = NETXEN_ADAPTER_UP_MAGIC; |
1135 | return 0; | |
1136 | ||
1137 | err_out_free_rxbuf: | |
1138 | netxen_release_rx_buffers(adapter); | |
1139 | netxen_free_hw_resources(adapter); | |
1140 | err_out_free_sw: | |
1141 | netxen_free_sw_resources(adapter); | |
1142 | return err; | |
1143 | } | |
1144 | ||
1145 | static void | |
1146 | netxen_nic_detach(struct netxen_adapter *adapter) | |
1147 | { | |
7042cd8f AKS |
1148 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) |
1149 | return; | |
1150 | ||
fa3ce355 NK |
1151 | netxen_remove_sysfs_entries(adapter); |
1152 | ||
9f5bc7f1 | 1153 | netxen_free_hw_resources(adapter); |
cf981ffb | 1154 | netxen_release_rx_buffers(adapter); |
be339aee | 1155 | netxen_nic_free_irq(adapter); |
232e7d68 | 1156 | netxen_napi_del(adapter); |
9f5bc7f1 DP |
1157 | netxen_free_sw_resources(adapter); |
1158 | ||
1159 | adapter->is_up = 0; | |
1160 | } | |
1161 | ||
7042cd8f AKS |
1162 | int |
1163 | netxen_nic_reset_context(struct netxen_adapter *adapter) | |
1164 | { | |
1165 | int err = 0; | |
1166 | struct net_device *netdev = adapter->netdev; | |
1167 | ||
6a581e93 DP |
1168 | if (test_and_set_bit(__NX_RESETTING, &adapter->state)) |
1169 | return -EBUSY; | |
1170 | ||
7042cd8f AKS |
1171 | if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) { |
1172 | ||
6a581e93 DP |
1173 | netif_device_detach(netdev); |
1174 | ||
7042cd8f | 1175 | if (netif_running(netdev)) |
6f771419 | 1176 | __netxen_nic_down(adapter, netdev); |
7042cd8f AKS |
1177 | |
1178 | netxen_nic_detach(adapter); | |
1179 | ||
6a581e93 DP |
1180 | if (netif_running(netdev)) { |
1181 | err = netxen_nic_attach(adapter); | |
1182 | if (!err) | |
6f771419 | 1183 | err = __netxen_nic_up(adapter, netdev); |
7042cd8f | 1184 | |
6a581e93 DP |
1185 | if (err) |
1186 | goto done; | |
1187 | } | |
1188 | ||
1189 | netif_device_attach(netdev); | |
7042cd8f | 1190 | } |
6a581e93 | 1191 | |
7042cd8f | 1192 | done: |
6a581e93 | 1193 | clear_bit(__NX_RESETTING, &adapter->state); |
7042cd8f AKS |
1194 | return err; |
1195 | } | |
1196 | ||
f17443f4 DP |
1197 | static int |
1198 | netxen_setup_netdev(struct netxen_adapter *adapter, | |
1199 | struct net_device *netdev) | |
1200 | { | |
1201 | int err = 0; | |
1202 | struct pci_dev *pdev = adapter->pdev; | |
1203 | ||
1204 | adapter->rx_csum = 1; | |
1205 | adapter->mc_enabled = 0; | |
1206 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) | |
1207 | adapter->max_mc_count = 38; | |
1208 | else | |
1209 | adapter->max_mc_count = 16; | |
1210 | ||
1211 | netdev->netdev_ops = &netxen_netdev_ops; | |
1212 | netdev->watchdog_timeo = 2*HZ; | |
1213 | ||
1214 | netxen_nic_change_mtu(netdev, netdev->mtu); | |
1215 | ||
1216 | SET_ETHTOOL_OPS(netdev, &netxen_nic_ethtool_ops); | |
1217 | ||
1218 | netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO); | |
1219 | netdev->features |= (NETIF_F_GRO); | |
1220 | netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO); | |
1221 | ||
1222 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { | |
1223 | netdev->features |= (NETIF_F_IPV6_CSUM | NETIF_F_TSO6); | |
1224 | netdev->vlan_features |= (NETIF_F_IPV6_CSUM | NETIF_F_TSO6); | |
1225 | } | |
1226 | ||
1227 | if (adapter->pci_using_dac) { | |
1228 | netdev->features |= NETIF_F_HIGHDMA; | |
1229 | netdev->vlan_features |= NETIF_F_HIGHDMA; | |
1230 | } | |
1231 | ||
028afe71 DP |
1232 | if (adapter->capabilities & NX_FW_CAPABILITY_FVLANTX) |
1233 | netdev->features |= (NETIF_F_HW_VLAN_TX); | |
1234 | ||
1bb482f8 NK |
1235 | if (adapter->capabilities & NX_FW_CAPABILITY_HW_LRO) |
1236 | netdev->features |= NETIF_F_LRO; | |
1237 | ||
f17443f4 DP |
1238 | netdev->irq = adapter->msix_entries[0].vector; |
1239 | ||
74c520da | 1240 | INIT_WORK(&adapter->tx_timeout_task, netxen_tx_timeout_task); |
f17443f4 DP |
1241 | |
1242 | if (netxen_read_mac_addr(adapter)) | |
1243 | dev_warn(&pdev->dev, "failed to read mac addr\n"); | |
1244 | ||
1245 | netif_carrier_off(netdev); | |
1246 | netif_stop_queue(netdev); | |
1247 | ||
1248 | err = register_netdev(netdev); | |
1249 | if (err) { | |
1250 | dev_err(&pdev->dev, "failed to register net device\n"); | |
1251 | return err; | |
1252 | } | |
1253 | ||
1254 | return 0; | |
1255 | } | |
1256 | ||
3d396eb1 AK |
1257 | static int __devinit |
1258 | netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) | |
1259 | { | |
1260 | struct net_device *netdev = NULL; | |
1261 | struct netxen_adapter *adapter = NULL; | |
2956640d | 1262 | int i = 0, err; |
3176ff3e | 1263 | int pci_func_id = PCI_FUNC(pdev->devfn); |
2956640d | 1264 | uint8_t revision_id; |
3d396eb1 | 1265 | |
688328c7 EB |
1266 | if (pdev->revision >= NX_P3_A0 && pdev->revision <= NX_P3_B1) { |
1267 | pr_warning("%s: chip revisions between 0x%x-0x%x " | |
11d89d63 | 1268 | "will not be enabled.\n", |
c25c0b9b | 1269 | module_name(THIS_MODULE), NX_P3_A0, NX_P3_B1); |
11d89d63 DP |
1270 | return -ENODEV; |
1271 | } | |
1272 | ||
3d396eb1 AK |
1273 | if ((err = pci_enable_device(pdev))) |
1274 | return err; | |
2956640d | 1275 | |
3d396eb1 AK |
1276 | if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { |
1277 | err = -ENODEV; | |
1278 | goto err_out_disable_pdev; | |
1279 | } | |
1280 | ||
1281 | if ((err = pci_request_regions(pdev, netxen_nic_driver_name))) | |
1282 | goto err_out_disable_pdev; | |
1283 | ||
e87ad553 AKS |
1284 | if (NX_IS_REVISION_P3(pdev->revision)) |
1285 | pci_enable_pcie_error_reporting(pdev); | |
1286 | ||
3d396eb1 | 1287 | pci_set_master(pdev); |
3176ff3e MT |
1288 | |
1289 | netdev = alloc_etherdev(sizeof(struct netxen_adapter)); | |
1290 | if(!netdev) { | |
f17443f4 DP |
1291 | dev_err(&pdev->dev, "failed to allocate net_device\n"); |
1292 | err = -ENOMEM; | |
3176ff3e MT |
1293 | goto err_out_free_res; |
1294 | } | |
1295 | ||
3176ff3e MT |
1296 | SET_NETDEV_DEV(netdev, &pdev->dev); |
1297 | ||
4cf1653a | 1298 | adapter = netdev_priv(netdev); |
2956640d DP |
1299 | adapter->netdev = netdev; |
1300 | adapter->pdev = pdev; | |
13ba9c77 | 1301 | adapter->ahw.pci_func = pci_func_id; |
2956640d DP |
1302 | |
1303 | revision_id = pdev->revision; | |
1304 | adapter->ahw.revision_id = revision_id; | |
1305 | ||
f03b0ebd DP |
1306 | rwlock_init(&adapter->ahw.crb_lock); |
1307 | spin_lock_init(&adapter->ahw.mem_lock); | |
1308 | ||
d8b100c5 | 1309 | spin_lock_init(&adapter->tx_clean_lock); |
5cf4d323 | 1310 | INIT_LIST_HEAD(&adapter->mac_list); |
3ce06a32 | 1311 | |
97daee83 DP |
1312 | err = netxen_setup_pci_map(adapter); |
1313 | if (err) | |
6c80b18d | 1314 | goto err_out_free_netdev; |
3d396eb1 | 1315 | |
2d1a3bbd | 1316 | /* This will be reset for mezz cards */ |
3176ff3e | 1317 | adapter->portnum = pci_func_id; |
3176ff3e | 1318 | |
f17443f4 DP |
1319 | err = netxen_nic_get_board_info(adapter); |
1320 | if (err) { | |
1321 | dev_err(&pdev->dev, "Error getting board config info.\n"); | |
dcd56fdb DP |
1322 | goto err_out_iounmap; |
1323 | } | |
6c80b18d | 1324 | |
13ba9c77 | 1325 | /* Mezz cards have PCI function 0,2,3 enabled */ |
1e2d0059 | 1326 | switch (adapter->ahw.board_type) { |
dc515f2e DP |
1327 | case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ: |
1328 | case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ: | |
1329 | if (pci_func_id >= 2) | |
13ba9c77 | 1330 | adapter->portnum = pci_func_id - 2; |
dc515f2e DP |
1331 | break; |
1332 | default: | |
1333 | break; | |
1334 | } | |
13ba9c77 | 1335 | |
6a581e93 | 1336 | err = netxen_start_firmware(adapter); |
0b72e659 | 1337 | if (err) |
8f9b3f69 | 1338 | goto err_out_decr_ref; |
f17443f4 | 1339 | |
3d396eb1 | 1340 | /* |
6c80b18d | 1341 | * See if the firmware gave us a virtual-physical port mapping. |
3d396eb1 | 1342 | */ |
dcd56fdb | 1343 | adapter->physical_port = adapter->portnum; |
4f96b988 | 1344 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { |
f98a9f69 | 1345 | i = NXRD32(adapter, CRB_V2P(adapter->portnum)); |
044fad0d DP |
1346 | if (i != 0x55555555) |
1347 | adapter->physical_port = i; | |
1348 | } | |
6c80b18d | 1349 | |
6a581e93 | 1350 | netxen_nic_clear_stats(adapter); |
2956640d | 1351 | |
97daee83 | 1352 | netxen_setup_intr(adapter); |
2956640d | 1353 | |
f17443f4 | 1354 | err = netxen_setup_netdev(adapter, netdev); |
9dc28efe | 1355 | if (err) |
2956640d | 1356 | goto err_out_disable_msi; |
6c80b18d MT |
1357 | |
1358 | pci_set_drvdata(pdev, adapter); | |
3d396eb1 | 1359 | |
6a581e93 DP |
1360 | netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY); |
1361 | ||
1e2d0059 | 1362 | switch (adapter->ahw.port_type) { |
2956640d DP |
1363 | case NETXEN_NIC_GBE: |
1364 | dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", | |
1365 | adapter->netdev->name); | |
1366 | break; | |
1367 | case NETXEN_NIC_XGBE: | |
1368 | dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", | |
1369 | adapter->netdev->name); | |
1370 | break; | |
3d396eb1 | 1371 | } |
3d396eb1 | 1372 | |
70f9cf89 DP |
1373 | netxen_create_diag_entries(adapter); |
1374 | ||
2956640d DP |
1375 | return 0; |
1376 | ||
1377 | err_out_disable_msi: | |
97daee83 | 1378 | netxen_teardown_intr(adapter); |
6c80b18d | 1379 | |
83ac51fa | 1380 | netxen_free_dummy_dma(adapter); |
3d396eb1 | 1381 | |
8f9b3f69 | 1382 | err_out_decr_ref: |
6a581e93 DP |
1383 | nx_decr_dev_ref_cnt(adapter); |
1384 | ||
2956640d | 1385 | err_out_iounmap: |
97daee83 | 1386 | netxen_cleanup_pci_map(adapter); |
cb8011ad | 1387 | |
6c80b18d MT |
1388 | err_out_free_netdev: |
1389 | free_netdev(netdev); | |
1390 | ||
1391 | err_out_free_res: | |
3d396eb1 | 1392 | pci_release_regions(pdev); |
6c80b18d MT |
1393 | |
1394 | err_out_disable_pdev: | |
2956640d | 1395 | pci_set_drvdata(pdev, NULL); |
3d396eb1 AK |
1396 | pci_disable_device(pdev); |
1397 | return err; | |
1398 | } | |
1399 | ||
1400 | static void __devexit netxen_nic_remove(struct pci_dev *pdev) | |
1401 | { | |
1402 | struct netxen_adapter *adapter; | |
3176ff3e | 1403 | struct net_device *netdev; |
3d396eb1 | 1404 | |
6c80b18d | 1405 | adapter = pci_get_drvdata(pdev); |
3d396eb1 AK |
1406 | if (adapter == NULL) |
1407 | return; | |
1408 | ||
6c80b18d MT |
1409 | netdev = adapter->netdev; |
1410 | ||
6a581e93 DP |
1411 | netxen_cancel_fw_work(adapter); |
1412 | ||
96acb6eb DP |
1413 | unregister_netdev(netdev); |
1414 | ||
e424fa9d AKS |
1415 | cancel_work_sync(&adapter->tx_timeout_task); |
1416 | ||
7042cd8f | 1417 | netxen_nic_detach(adapter); |
3d396eb1 | 1418 | |
6a581e93 DP |
1419 | nx_decr_dev_ref_cnt(adapter); |
1420 | ||
439b454e | 1421 | if (adapter->portnum == 0) |
83ac51fa | 1422 | netxen_free_dummy_dma(adapter); |
96acb6eb | 1423 | |
6a581e93 DP |
1424 | clear_bit(__NX_RESETTING, &adapter->state); |
1425 | ||
97daee83 | 1426 | netxen_teardown_intr(adapter); |
3052246c | 1427 | |
70f9cf89 DP |
1428 | netxen_remove_diag_entries(adapter); |
1429 | ||
97daee83 | 1430 | netxen_cleanup_pci_map(adapter); |
595e3fb8 | 1431 | |
f7185c71 DP |
1432 | netxen_release_firmware(adapter); |
1433 | ||
e87ad553 AKS |
1434 | if (NX_IS_REVISION_P3(pdev->revision)) |
1435 | pci_disable_pcie_error_reporting(pdev); | |
1436 | ||
595e3fb8 | 1437 | pci_release_regions(pdev); |
3052246c | 1438 | pci_disable_device(pdev); |
595e3fb8 MT |
1439 | pci_set_drvdata(pdev, NULL); |
1440 | ||
6c80b18d | 1441 | free_netdev(netdev); |
3d396eb1 | 1442 | } |
e87ad553 AKS |
1443 | |
1444 | static void netxen_nic_detach_func(struct netxen_adapter *adapter) | |
0b72e659 | 1445 | { |
0b72e659 DP |
1446 | struct net_device *netdev = adapter->netdev; |
1447 | ||
1448 | netif_device_detach(netdev); | |
1449 | ||
6a581e93 DP |
1450 | netxen_cancel_fw_work(adapter); |
1451 | ||
0b72e659 DP |
1452 | if (netif_running(netdev)) |
1453 | netxen_nic_down(adapter, netdev); | |
1454 | ||
e424fa9d AKS |
1455 | cancel_work_sync(&adapter->tx_timeout_task); |
1456 | ||
7042cd8f | 1457 | netxen_nic_detach(adapter); |
0b72e659 | 1458 | |
22b5794b AKS |
1459 | if (adapter->portnum == 0) |
1460 | netxen_free_dummy_dma(adapter); | |
1461 | ||
6a581e93 DP |
1462 | nx_decr_dev_ref_cnt(adapter); |
1463 | ||
1464 | clear_bit(__NX_RESETTING, &adapter->state); | |
22b5794b | 1465 | } |
0b72e659 | 1466 | |
e87ad553 | 1467 | static int netxen_nic_attach_func(struct pci_dev *pdev) |
0b72e659 DP |
1468 | { |
1469 | struct netxen_adapter *adapter = pci_get_drvdata(pdev); | |
1470 | struct net_device *netdev = adapter->netdev; | |
1471 | int err; | |
1472 | ||
0b72e659 DP |
1473 | err = pci_enable_device(pdev); |
1474 | if (err) | |
1475 | return err; | |
1476 | ||
bc86fcba AKS |
1477 | pci_set_power_state(pdev, PCI_D0); |
1478 | pci_set_master(pdev); | |
1479 | pci_restore_state(pdev); | |
1480 | ||
907fa120 | 1481 | adapter->ahw.crb_win = -1; |
47abe356 | 1482 | adapter->ahw.ocm_win = -1; |
0b72e659 | 1483 | |
6a581e93 | 1484 | err = netxen_start_firmware(adapter); |
0b72e659 DP |
1485 | if (err) { |
1486 | dev_err(&pdev->dev, "failed to start firmware\n"); | |
1487 | return err; | |
1488 | } | |
1489 | ||
1490 | if (netif_running(netdev)) { | |
1491 | err = netxen_nic_attach(adapter); | |
1492 | if (err) | |
6a581e93 | 1493 | goto err_out; |
0b72e659 DP |
1494 | |
1495 | err = netxen_nic_up(adapter, netdev); | |
1496 | if (err) | |
6a581e93 | 1497 | goto err_out_detach; |
0b72e659 | 1498 | |
d0725e4d | 1499 | netxen_config_indev_addr(netdev, NETDEV_UP); |
0b72e659 DP |
1500 | } |
1501 | ||
bc86fcba | 1502 | netif_device_attach(netdev); |
6a581e93 | 1503 | netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY); |
07653aa3 | 1504 | return 0; |
6a581e93 DP |
1505 | |
1506 | err_out_detach: | |
1507 | netxen_nic_detach(adapter); | |
1508 | err_out: | |
1509 | nx_decr_dev_ref_cnt(adapter); | |
1510 | return err; | |
0b72e659 | 1511 | } |
e87ad553 AKS |
1512 | |
1513 | static pci_ers_result_t netxen_io_error_detected(struct pci_dev *pdev, | |
1514 | pci_channel_state_t state) | |
1515 | { | |
1516 | struct netxen_adapter *adapter = pci_get_drvdata(pdev); | |
1517 | ||
1518 | if (state == pci_channel_io_perm_failure) | |
1519 | return PCI_ERS_RESULT_DISCONNECT; | |
1520 | ||
1521 | if (nx_dev_request_aer(adapter)) | |
1522 | return PCI_ERS_RESULT_RECOVERED; | |
1523 | ||
1524 | netxen_nic_detach_func(adapter); | |
1525 | ||
1526 | pci_disable_device(pdev); | |
1527 | ||
1528 | return PCI_ERS_RESULT_NEED_RESET; | |
1529 | } | |
1530 | ||
1531 | static pci_ers_result_t netxen_io_slot_reset(struct pci_dev *pdev) | |
1532 | { | |
1533 | int err = 0; | |
1534 | ||
1535 | err = netxen_nic_attach_func(pdev); | |
1536 | ||
1537 | return err ? PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_RECOVERED; | |
1538 | } | |
1539 | ||
1540 | static void netxen_io_resume(struct pci_dev *pdev) | |
1541 | { | |
1542 | pci_cleanup_aer_uncorrect_error_status(pdev); | |
1543 | } | |
1544 | ||
1545 | static void netxen_nic_shutdown(struct pci_dev *pdev) | |
1546 | { | |
1547 | struct netxen_adapter *adapter = pci_get_drvdata(pdev); | |
1548 | ||
1549 | netxen_nic_detach_func(adapter); | |
1550 | ||
1551 | if (pci_save_state(pdev)) | |
1552 | return; | |
1553 | ||
1554 | if (netxen_nic_wol_supported(adapter)) { | |
1555 | pci_enable_wake(pdev, PCI_D3cold, 1); | |
1556 | pci_enable_wake(pdev, PCI_D3hot, 1); | |
1557 | } | |
1558 | ||
1559 | pci_disable_device(pdev); | |
1560 | } | |
1561 | ||
1562 | #ifdef CONFIG_PM | |
1563 | static int | |
1564 | netxen_nic_suspend(struct pci_dev *pdev, pm_message_t state) | |
1565 | { | |
1566 | struct netxen_adapter *adapter = pci_get_drvdata(pdev); | |
1567 | int retval; | |
1568 | ||
1569 | netxen_nic_detach_func(adapter); | |
1570 | ||
1571 | retval = pci_save_state(pdev); | |
1572 | if (retval) | |
1573 | return retval; | |
1574 | ||
1575 | if (netxen_nic_wol_supported(adapter)) { | |
1576 | pci_enable_wake(pdev, PCI_D3cold, 1); | |
1577 | pci_enable_wake(pdev, PCI_D3hot, 1); | |
1578 | } | |
1579 | ||
1580 | pci_disable_device(pdev); | |
1581 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); | |
1582 | ||
1583 | return 0; | |
1584 | } | |
1585 | ||
1586 | static int | |
1587 | netxen_nic_resume(struct pci_dev *pdev) | |
1588 | { | |
1589 | return netxen_nic_attach_func(pdev); | |
1590 | } | |
01542cd1 | 1591 | #endif |
0b72e659 | 1592 | |
3d396eb1 AK |
1593 | static int netxen_nic_open(struct net_device *netdev) |
1594 | { | |
4cf1653a | 1595 | struct netxen_adapter *adapter = netdev_priv(netdev); |
3d396eb1 | 1596 | int err = 0; |
3d396eb1 | 1597 | |
dcd56fdb DP |
1598 | if (adapter->driver_mismatch) |
1599 | return -EIO; | |
1600 | ||
7042cd8f AKS |
1601 | err = netxen_nic_attach(adapter); |
1602 | if (err) | |
1603 | return err; | |
2956640d | 1604 | |
6f771419 | 1605 | err = __netxen_nic_up(adapter, netdev); |
9f5bc7f1 DP |
1606 | if (err) |
1607 | goto err_out; | |
05aaa02d | 1608 | |
dcd56fdb | 1609 | netif_start_queue(netdev); |
3d396eb1 AK |
1610 | |
1611 | return 0; | |
2956640d | 1612 | |
9f5bc7f1 DP |
1613 | err_out: |
1614 | netxen_nic_detach(adapter); | |
2956640d | 1615 | return err; |
3d396eb1 AK |
1616 | } |
1617 | ||
1618 | /* | |
1619 | * netxen_nic_close - Disables a network interface entry point | |
1620 | */ | |
1621 | static int netxen_nic_close(struct net_device *netdev) | |
1622 | { | |
3176ff3e | 1623 | struct netxen_adapter *adapter = netdev_priv(netdev); |
3d396eb1 | 1624 | |
6f771419 | 1625 | __netxen_nic_down(adapter, netdev); |
3d396eb1 AK |
1626 | return 0; |
1627 | } | |
1628 | ||
1bcfd790 DP |
1629 | static void |
1630 | netxen_tso_check(struct net_device *netdev, | |
1631 | struct nx_host_tx_ring *tx_ring, | |
1632 | struct cmd_desc_type0 *first_desc, | |
1633 | struct sk_buff *skb) | |
cd1f8160 | 1634 | { |
391587c3 | 1635 | u8 opcode = TX_ETHER_PKT; |
cdff1036 | 1636 | __be16 protocol = skb->protocol; |
028afe71 | 1637 | u16 flags = 0, vid = 0; |
1bcfd790 | 1638 | u32 producer; |
028afe71 | 1639 | int copied, offset, copy_len, hdr_len = 0, tso = 0, vlan_oob = 0; |
1bcfd790 | 1640 | struct cmd_desc_type0 *hwdesc; |
028afe71 | 1641 | struct vlan_ethhdr *vh; |
cdff1036 | 1642 | |
09640e63 | 1643 | if (protocol == cpu_to_be16(ETH_P_8021Q)) { |
028afe71 DP |
1644 | |
1645 | vh = (struct vlan_ethhdr *)skb->data; | |
cdff1036 DP |
1646 | protocol = vh->h_vlan_encapsulated_proto; |
1647 | flags = FLAGS_VLAN_TAGGED; | |
028afe71 DP |
1648 | |
1649 | } else if (vlan_tx_tag_present(skb)) { | |
1650 | ||
1651 | flags = FLAGS_VLAN_OOB; | |
1652 | vid = vlan_tx_tag_get(skb); | |
1653 | netxen_set_tx_vlan_tci(first_desc, vid); | |
1654 | vlan_oob = 1; | |
cdff1036 | 1655 | } |
cd1f8160 | 1656 | |
391587c3 DP |
1657 | if ((netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) && |
1658 | skb_shinfo(skb)->gso_size > 0) { | |
1659 | ||
1bcfd790 DP |
1660 | hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); |
1661 | ||
1662 | first_desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size); | |
1663 | first_desc->total_hdr_length = hdr_len; | |
028afe71 DP |
1664 | if (vlan_oob) { |
1665 | first_desc->total_hdr_length += VLAN_HLEN; | |
1666 | first_desc->tcp_hdr_offset = VLAN_HLEN; | |
1667 | first_desc->ip_hdr_offset = VLAN_HLEN; | |
1668 | /* Only in case of TSO on vlan device */ | |
1669 | flags |= FLAGS_VLAN_TAGGED; | |
1670 | } | |
391587c3 | 1671 | |
09640e63 | 1672 | opcode = (protocol == cpu_to_be16(ETH_P_IPV6)) ? |
391587c3 | 1673 | TX_TCP_LSO6 : TX_TCP_LSO; |
1bcfd790 | 1674 | tso = 1; |
cd1f8160 DP |
1675 | |
1676 | } else if (skb->ip_summed == CHECKSUM_PARTIAL) { | |
391587c3 DP |
1677 | u8 l4proto; |
1678 | ||
09640e63 | 1679 | if (protocol == cpu_to_be16(ETH_P_IP)) { |
391587c3 DP |
1680 | l4proto = ip_hdr(skb)->protocol; |
1681 | ||
1682 | if (l4proto == IPPROTO_TCP) | |
1683 | opcode = TX_TCP_PKT; | |
1684 | else if(l4proto == IPPROTO_UDP) | |
1685 | opcode = TX_UDP_PKT; | |
09640e63 | 1686 | } else if (protocol == cpu_to_be16(ETH_P_IPV6)) { |
391587c3 DP |
1687 | l4proto = ipv6_hdr(skb)->nexthdr; |
1688 | ||
1689 | if (l4proto == IPPROTO_TCP) | |
1690 | opcode = TX_TCPV6_PKT; | |
1691 | else if(l4proto == IPPROTO_UDP) | |
1692 | opcode = TX_UDPV6_PKT; | |
1693 | } | |
cd1f8160 | 1694 | } |
028afe71 DP |
1695 | |
1696 | first_desc->tcp_hdr_offset += skb_transport_offset(skb); | |
1697 | first_desc->ip_hdr_offset += skb_network_offset(skb); | |
1bcfd790 DP |
1698 | netxen_set_tx_flags_opcode(first_desc, flags, opcode); |
1699 | ||
1700 | if (!tso) | |
1701 | return; | |
1702 | ||
1703 | /* For LSO, we need to copy the MAC/IP/TCP headers into | |
1704 | * the descriptor ring | |
1705 | */ | |
1706 | producer = tx_ring->producer; | |
1707 | copied = 0; | |
1708 | offset = 2; | |
1709 | ||
028afe71 DP |
1710 | if (vlan_oob) { |
1711 | /* Create a TSO vlan header template for firmware */ | |
1712 | ||
1713 | hwdesc = &tx_ring->desc_head[producer]; | |
1714 | tx_ring->cmd_buf_arr[producer].skb = NULL; | |
1715 | ||
1716 | copy_len = min((int)sizeof(struct cmd_desc_type0) - offset, | |
1717 | hdr_len + VLAN_HLEN); | |
1718 | ||
1719 | vh = (struct vlan_ethhdr *)((char *)hwdesc + 2); | |
1720 | skb_copy_from_linear_data(skb, vh, 12); | |
1721 | vh->h_vlan_proto = htons(ETH_P_8021Q); | |
1722 | vh->h_vlan_TCI = htons(vid); | |
1723 | skb_copy_from_linear_data_offset(skb, 12, | |
1724 | (char *)vh + 16, copy_len - 16); | |
1725 | ||
545eb370 | 1726 | copied = copy_len - VLAN_HLEN; |
028afe71 DP |
1727 | offset = 0; |
1728 | ||
1729 | producer = get_next_index(producer, tx_ring->num_desc); | |
1730 | } | |
1731 | ||
1bcfd790 DP |
1732 | while (copied < hdr_len) { |
1733 | ||
1734 | copy_len = min((int)sizeof(struct cmd_desc_type0) - offset, | |
1735 | (hdr_len - copied)); | |
1736 | ||
1737 | hwdesc = &tx_ring->desc_head[producer]; | |
1738 | tx_ring->cmd_buf_arr[producer].skb = NULL; | |
1739 | ||
1740 | skb_copy_from_linear_data_offset(skb, copied, | |
1741 | (char *)hwdesc + offset, copy_len); | |
1742 | ||
1743 | copied += copy_len; | |
1744 | offset = 0; | |
1745 | ||
1746 | producer = get_next_index(producer, tx_ring->num_desc); | |
1747 | } | |
1748 | ||
1749 | tx_ring->producer = producer; | |
1750 | barrier(); | |
cd1f8160 DP |
1751 | } |
1752 | ||
ce644ed4 DP |
1753 | static int |
1754 | netxen_map_tx_skb(struct pci_dev *pdev, | |
1755 | struct sk_buff *skb, struct netxen_cmd_buffer *pbuf) | |
6f703406 | 1756 | { |
ce644ed4 DP |
1757 | struct netxen_skb_frag *nf; |
1758 | struct skb_frag_struct *frag; | |
1759 | int i, nr_frags; | |
1760 | dma_addr_t map; | |
1761 | ||
1762 | nr_frags = skb_shinfo(skb)->nr_frags; | |
1763 | nf = &pbuf->frag_array[0]; | |
1764 | ||
1765 | map = pci_map_single(pdev, skb->data, | |
1766 | skb_headlen(skb), PCI_DMA_TODEVICE); | |
1767 | if (pci_dma_mapping_error(pdev, map)) | |
1768 | goto out_err; | |
6f703406 | 1769 | |
ce644ed4 DP |
1770 | nf->dma = map; |
1771 | nf->length = skb_headlen(skb); | |
1772 | ||
1773 | for (i = 0; i < nr_frags; i++) { | |
1774 | frag = &skb_shinfo(skb)->frags[i]; | |
1775 | nf = &pbuf->frag_array[i+1]; | |
1776 | ||
1777 | map = pci_map_page(pdev, frag->page, frag->page_offset, | |
1778 | frag->size, PCI_DMA_TODEVICE); | |
1779 | if (pci_dma_mapping_error(pdev, map)) | |
1780 | goto unwind; | |
1781 | ||
1782 | nf->dma = map; | |
1783 | nf->length = frag->size; | |
1784 | } | |
1785 | ||
1786 | return 0; | |
6f703406 | 1787 | |
ce644ed4 | 1788 | unwind: |
cf503e8f DP |
1789 | while (--i >= 0) { |
1790 | nf = &pbuf->frag_array[i+1]; | |
ce644ed4 | 1791 | pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE); |
6f703406 | 1792 | } |
ce644ed4 DP |
1793 | |
1794 | nf = &pbuf->frag_array[0]; | |
1795 | pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE); | |
1796 | ||
1797 | out_err: | |
1798 | return -ENOMEM; | |
6f703406 DP |
1799 | } |
1800 | ||
d32cc3d2 DP |
1801 | static inline void |
1802 | netxen_clear_cmddesc(u64 *desc) | |
1803 | { | |
1bcfd790 DP |
1804 | desc[0] = 0ULL; |
1805 | desc[2] = 0ULL; | |
d32cc3d2 DP |
1806 | } |
1807 | ||
61357325 | 1808 | static netdev_tx_t |
d32cc3d2 | 1809 | netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) |
3d396eb1 | 1810 | { |
3176ff3e | 1811 | struct netxen_adapter *adapter = netdev_priv(netdev); |
4ea528a1 | 1812 | struct nx_host_tx_ring *tx_ring = adapter->tx_ring; |
391587c3 | 1813 | struct netxen_cmd_buffer *pbuf; |
3d396eb1 | 1814 | struct netxen_skb_frag *buffrag; |
1bcfd790 DP |
1815 | struct cmd_desc_type0 *hwdesc, *first_desc; |
1816 | struct pci_dev *pdev; | |
391587c3 | 1817 | int i, k; |
3d396eb1 | 1818 | |
cb2107be | 1819 | u32 producer; |
ce644ed4 | 1820 | int frag_count, no_of_desc; |
d877f1e3 | 1821 | u32 num_txd = tx_ring->num_desc; |
3d396eb1 | 1822 | |
3d396eb1 AK |
1823 | frag_count = skb_shinfo(skb)->nr_frags + 1; |
1824 | ||
d877f1e3 | 1825 | /* 4 fragments per cmd des */ |
3d396eb1 | 1826 | no_of_desc = (frag_count + 3) >> 2; |
53a01e00 | 1827 | |
fa9859ef | 1828 | if (unlikely(no_of_desc + 2 > netxen_tx_avail(tx_ring))) { |
ba53e6b4 | 1829 | netif_stop_queue(netdev); |
ba53e6b4 | 1830 | return NETDEV_TX_BUSY; |
53a01e00 | 1831 | } |
3d396eb1 | 1832 | |
cb2107be | 1833 | producer = tx_ring->producer; |
ce644ed4 | 1834 | pbuf = &tx_ring->cmd_buf_arr[producer]; |
cb2107be | 1835 | |
1bcfd790 | 1836 | pdev = adapter->pdev; |
391587c3 | 1837 | |
ce644ed4 | 1838 | if (netxen_map_tx_skb(pdev, skb, pbuf)) |
1bcfd790 | 1839 | goto drop_packet; |
391587c3 | 1840 | |
3d396eb1 | 1841 | pbuf->skb = skb; |
3d396eb1 | 1842 | pbuf->frag_count = frag_count; |
6f703406 | 1843 | |
1bcfd790 DP |
1844 | first_desc = hwdesc = &tx_ring->desc_head[producer]; |
1845 | netxen_clear_cmddesc((u64 *)hwdesc); | |
3d396eb1 | 1846 | |
ce644ed4 DP |
1847 | netxen_set_tx_frags_len(first_desc, frag_count, skb->len); |
1848 | netxen_set_tx_port(first_desc, adapter->portnum); | |
3d396eb1 | 1849 | |
ce644ed4 | 1850 | for (i = 0; i < frag_count; i++) { |
3d396eb1 | 1851 | |
ce644ed4 DP |
1852 | k = i % 4; |
1853 | ||
1854 | if ((k == 0) && (i > 0)) { | |
1855 | /* move to next desc.*/ | |
ba53e6b4 | 1856 | producer = get_next_index(producer, num_txd); |
d877f1e3 | 1857 | hwdesc = &tx_ring->desc_head[producer]; |
d32cc3d2 | 1858 | netxen_clear_cmddesc((u64 *)hwdesc); |
ce644ed4 | 1859 | tx_ring->cmd_buf_arr[producer].skb = NULL; |
6f703406 | 1860 | } |
3d396eb1 | 1861 | |
ce644ed4 | 1862 | buffrag = &pbuf->frag_array[i]; |
3d396eb1 | 1863 | |
ce644ed4 | 1864 | hwdesc->buffer_length[k] = cpu_to_le16(buffrag->length); |
3d396eb1 AK |
1865 | switch (k) { |
1866 | case 0: | |
ce644ed4 | 1867 | hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma); |
3d396eb1 AK |
1868 | break; |
1869 | case 1: | |
ce644ed4 | 1870 | hwdesc->addr_buffer2 = cpu_to_le64(buffrag->dma); |
3d396eb1 AK |
1871 | break; |
1872 | case 2: | |
ce644ed4 | 1873 | hwdesc->addr_buffer3 = cpu_to_le64(buffrag->dma); |
3d396eb1 AK |
1874 | break; |
1875 | case 3: | |
ce644ed4 | 1876 | hwdesc->addr_buffer4 = cpu_to_le64(buffrag->dma); |
3d396eb1 AK |
1877 | break; |
1878 | } | |
3d396eb1 | 1879 | } |
ce644ed4 | 1880 | |
1bcfd790 | 1881 | tx_ring->producer = get_next_index(producer, num_txd); |
3d396eb1 | 1882 | |
1bcfd790 | 1883 | netxen_tso_check(netdev, tx_ring, first_desc, skb); |
6c80b18d | 1884 | |
cb2107be | 1885 | netxen_nic_update_cmd_producer(adapter, tx_ring); |
3d396eb1 | 1886 | |
1bcfd790 | 1887 | adapter->stats.txbytes += skb->len; |
ba53e6b4 | 1888 | adapter->stats.xmitcalled++; |
3d396eb1 | 1889 | |
3d396eb1 | 1890 | return NETDEV_TX_OK; |
6f703406 DP |
1891 | |
1892 | drop_packet: | |
1893 | adapter->stats.txdropped++; | |
1894 | dev_kfree_skb_any(skb); | |
1895 | return NETDEV_TX_OK; | |
3d396eb1 AK |
1896 | } |
1897 | ||
a97342f9 DP |
1898 | static int netxen_nic_check_temp(struct netxen_adapter *adapter) |
1899 | { | |
1900 | struct net_device *netdev = adapter->netdev; | |
1901 | uint32_t temp, temp_state, temp_val; | |
1902 | int rv = 0; | |
1903 | ||
f98a9f69 | 1904 | temp = NXRD32(adapter, CRB_TEMP_STATE); |
a97342f9 DP |
1905 | |
1906 | temp_state = nx_get_temp_state(temp); | |
1907 | temp_val = nx_get_temp_val(temp); | |
1908 | ||
1909 | if (temp_state == NX_TEMP_PANIC) { | |
1910 | printk(KERN_ALERT | |
1911 | "%s: Device temperature %d degrees C exceeds" | |
1912 | " maximum allowed. Hardware has been shut down.\n", | |
e4135c2d | 1913 | netdev->name, temp_val); |
a97342f9 DP |
1914 | rv = 1; |
1915 | } else if (temp_state == NX_TEMP_WARN) { | |
1916 | if (adapter->temp == NX_TEMP_NORMAL) { | |
1917 | printk(KERN_ALERT | |
1918 | "%s: Device temperature %d degrees C " | |
1919 | "exceeds operating range." | |
1920 | " Immediate action needed.\n", | |
e4135c2d | 1921 | netdev->name, temp_val); |
a97342f9 DP |
1922 | } |
1923 | } else { | |
1924 | if (adapter->temp == NX_TEMP_WARN) { | |
1925 | printk(KERN_INFO | |
1926 | "%s: Device temperature is now %d degrees C" | |
e4135c2d | 1927 | " in normal range.\n", netdev->name, |
a97342f9 DP |
1928 | temp_val); |
1929 | } | |
1930 | } | |
1931 | adapter->temp = temp_state; | |
1932 | return rv; | |
1933 | } | |
1934 | ||
3bf26ce3 | 1935 | void netxen_advert_link_change(struct netxen_adapter *adapter, int linkup) |
a97342f9 DP |
1936 | { |
1937 | struct net_device *netdev = adapter->netdev; | |
a97342f9 DP |
1938 | |
1939 | if (adapter->ahw.linkup && !linkup) { | |
1940 | printk(KERN_INFO "%s: %s NIC Link is down\n", | |
1941 | netxen_nic_driver_name, netdev->name); | |
1942 | adapter->ahw.linkup = 0; | |
1943 | if (netif_running(netdev)) { | |
1944 | netif_carrier_off(netdev); | |
1945 | netif_stop_queue(netdev); | |
1946 | } | |
e424fa9d | 1947 | adapter->link_changed = !adapter->has_link_events; |
a97342f9 DP |
1948 | } else if (!adapter->ahw.linkup && linkup) { |
1949 | printk(KERN_INFO "%s: %s NIC Link is up\n", | |
1950 | netxen_nic_driver_name, netdev->name); | |
1951 | adapter->ahw.linkup = 1; | |
1952 | if (netif_running(netdev)) { | |
1953 | netif_carrier_on(netdev); | |
1954 | netif_wake_queue(netdev); | |
1955 | } | |
e424fa9d | 1956 | adapter->link_changed = !adapter->has_link_events; |
a97342f9 DP |
1957 | } |
1958 | } | |
1959 | ||
3bf26ce3 DP |
1960 | static void netxen_nic_handle_phy_intr(struct netxen_adapter *adapter) |
1961 | { | |
1962 | u32 val, port, linkup; | |
1963 | ||
1964 | port = adapter->physical_port; | |
1965 | ||
1966 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { | |
f98a9f69 | 1967 | val = NXRD32(adapter, CRB_XG_STATE_P3); |
3bf26ce3 DP |
1968 | val = XG_LINK_STATE_P3(adapter->ahw.pci_func, val); |
1969 | linkup = (val == XG_LINK_UP_P3); | |
1970 | } else { | |
f98a9f69 | 1971 | val = NXRD32(adapter, CRB_XG_STATE); |
a4b751d8 SC |
1972 | val = (val >> port*8) & 0xff; |
1973 | linkup = (val == XG_LINK_UP); | |
3bf26ce3 DP |
1974 | } |
1975 | ||
1976 | netxen_advert_link_change(adapter, linkup); | |
1977 | } | |
1978 | ||
3d396eb1 AK |
1979 | static void netxen_tx_timeout(struct net_device *netdev) |
1980 | { | |
e424fa9d | 1981 | struct netxen_adapter *adapter = netdev_priv(netdev); |
f17443f4 | 1982 | |
6a581e93 DP |
1983 | if (test_bit(__NX_RESETTING, &adapter->state)) |
1984 | return; | |
1985 | ||
f17443f4 | 1986 | dev_err(&netdev->dev, "transmit timeout, resetting.\n"); |
e424fa9d | 1987 | schedule_work(&adapter->tx_timeout_task); |
3d396eb1 AK |
1988 | } |
1989 | ||
74c520da | 1990 | static void netxen_tx_timeout_task(struct work_struct *work) |
3d396eb1 | 1991 | { |
4790654c | 1992 | struct netxen_adapter *adapter = |
3176ff3e | 1993 | container_of(work, struct netxen_adapter, tx_timeout_task); |
3d396eb1 | 1994 | |
b2af9cb0 DP |
1995 | if (!netif_running(adapter->netdev)) |
1996 | return; | |
1997 | ||
74c520da | 1998 | if (test_and_set_bit(__NX_RESETTING, &adapter->state)) |
6a581e93 DP |
1999 | return; |
2000 | ||
74c520da AKS |
2001 | if (++adapter->tx_timeo_cnt >= NX_MAX_TX_TIMEOUTS) |
2002 | goto request_reset; | |
2003 | ||
2004 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { | |
2005 | /* try to scrub interrupt */ | |
2006 | netxen_napi_disable(adapter); | |
ba53e6b4 | 2007 | |
74c520da | 2008 | adapter->netdev->trans_start = jiffies; |
ba53e6b4 | 2009 | |
74c520da AKS |
2010 | netxen_napi_enable(adapter); |
2011 | ||
2012 | netif_wake_queue(adapter->netdev); | |
2013 | ||
a598ae17 | 2014 | clear_bit(__NX_RESETTING, &adapter->state); |
41f3e0b1 | 2015 | return; |
74c520da | 2016 | } else { |
a598ae17 | 2017 | clear_bit(__NX_RESETTING, &adapter->state); |
74c520da AKS |
2018 | if (!netxen_nic_reset_context(adapter)) { |
2019 | adapter->netdev->trans_start = jiffies; | |
a598ae17 | 2020 | return; |
74c520da AKS |
2021 | } |
2022 | ||
2023 | /* context reset failed, fall through for fw reset */ | |
2024 | } | |
2025 | ||
2026 | request_reset: | |
2027 | adapter->need_fw_reset = 1; | |
ff8a306d | 2028 | clear_bit(__NX_RESETTING, &adapter->state); |
3d396eb1 AK |
2029 | } |
2030 | ||
a97342f9 DP |
2031 | struct net_device_stats *netxen_nic_get_stats(struct net_device *netdev) |
2032 | { | |
2033 | struct netxen_adapter *adapter = netdev_priv(netdev); | |
5a4d6311 | 2034 | struct net_device_stats *stats = &netdev->stats; |
a97342f9 DP |
2035 | |
2036 | memset(stats, 0, sizeof(*stats)); | |
2037 | ||
1bb482f8 | 2038 | stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; |
e98e3350 | 2039 | stats->tx_packets = adapter->stats.xmitfinished; |
a97342f9 | 2040 | stats->rx_bytes = adapter->stats.rxbytes; |
a97342f9 | 2041 | stats->tx_bytes = adapter->stats.txbytes; |
a97342f9 | 2042 | stats->rx_dropped = adapter->stats.rxdropped; |
a97342f9 DP |
2043 | stats->tx_dropped = adapter->stats.txdropped; |
2044 | ||
2045 | return stats; | |
2046 | } | |
2047 | ||
e4c93c81 | 2048 | static irqreturn_t netxen_intr(int irq, void *data) |
3d396eb1 | 2049 | { |
d8b100c5 DP |
2050 | struct nx_host_sds_ring *sds_ring = data; |
2051 | struct netxen_adapter *adapter = sds_ring->adapter; | |
d71e1be8 DP |
2052 | u32 status = 0; |
2053 | ||
195c5f98 | 2054 | status = readl(adapter->isr_int_vec); |
d71e1be8 | 2055 | |
195c5f98 | 2056 | if (!(status & adapter->int_vec_bit)) |
05aaa02d | 2057 | return IRQ_NONE; |
e01872af | 2058 | |
195c5f98 | 2059 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { |
d71e1be8 | 2060 | /* check interrupt state machine, to be sure */ |
195c5f98 | 2061 | status = readl(adapter->crb_int_state_reg); |
d71e1be8 DP |
2062 | if (!ISR_LEGACY_INT_TRIGGERED(status)) |
2063 | return IRQ_NONE; | |
2064 | ||
092bc571 DP |
2065 | } else { |
2066 | unsigned long our_int = 0; | |
d71e1be8 | 2067 | |
195c5f98 | 2068 | our_int = readl(adapter->crb_int_state_reg); |
092bc571 | 2069 | |
d71e1be8 | 2070 | /* not our interrupt */ |
092bc571 | 2071 | if (!test_and_clear_bit((7 + adapter->portnum), &our_int)) |
d71e1be8 DP |
2072 | return IRQ_NONE; |
2073 | ||
092bc571 | 2074 | /* claim interrupt */ |
195c5f98 | 2075 | writel((our_int & 0xffffffff), adapter->crb_int_state_reg); |
e01872af | 2076 | |
195c5f98 | 2077 | /* clear interrupt */ |
d8b100c5 | 2078 | netxen_nic_disable_int(sds_ring); |
195c5f98 | 2079 | } |
092bc571 | 2080 | |
195c5f98 | 2081 | writel(0xffffffff, adapter->tgt_status_reg); |
092bc571 | 2082 | /* read twice to ensure write is flushed */ |
195c5f98 AKS |
2083 | readl(adapter->isr_int_vec); |
2084 | readl(adapter->isr_int_vec); | |
092bc571 | 2085 | |
d8b100c5 | 2086 | napi_schedule(&sds_ring->napi); |
3d396eb1 AK |
2087 | |
2088 | return IRQ_HANDLED; | |
2089 | } | |
2090 | ||
e4c93c81 | 2091 | static irqreturn_t netxen_msi_intr(int irq, void *data) |
05aaa02d | 2092 | { |
d8b100c5 DP |
2093 | struct nx_host_sds_ring *sds_ring = data; |
2094 | struct netxen_adapter *adapter = sds_ring->adapter; | |
05aaa02d | 2095 | |
092bc571 | 2096 | /* clear interrupt */ |
195c5f98 | 2097 | writel(0xffffffff, adapter->tgt_status_reg); |
092bc571 | 2098 | |
d8b100c5 | 2099 | napi_schedule(&sds_ring->napi); |
05aaa02d DP |
2100 | return IRQ_HANDLED; |
2101 | } | |
2102 | ||
b3df68f8 DP |
2103 | static irqreturn_t netxen_msix_intr(int irq, void *data) |
2104 | { | |
d8b100c5 | 2105 | struct nx_host_sds_ring *sds_ring = data; |
b3df68f8 | 2106 | |
d8b100c5 | 2107 | napi_schedule(&sds_ring->napi); |
b3df68f8 DP |
2108 | return IRQ_HANDLED; |
2109 | } | |
2110 | ||
bea3348e | 2111 | static int netxen_nic_poll(struct napi_struct *napi, int budget) |
3d396eb1 | 2112 | { |
d8b100c5 DP |
2113 | struct nx_host_sds_ring *sds_ring = |
2114 | container_of(napi, struct nx_host_sds_ring, napi); | |
2115 | ||
2116 | struct netxen_adapter *adapter = sds_ring->adapter; | |
2117 | ||
05aaa02d | 2118 | int tx_complete; |
bea3348e | 2119 | int work_done; |
3d396eb1 | 2120 | |
05aaa02d | 2121 | tx_complete = netxen_process_cmd_ring(adapter); |
3d396eb1 | 2122 | |
d8b100c5 | 2123 | work_done = netxen_process_rcv_ring(sds_ring, budget); |
3d396eb1 | 2124 | |
05aaa02d | 2125 | if ((work_done < budget) && tx_complete) { |
d8b100c5 | 2126 | napi_complete(&sds_ring->napi); |
f2251f66 | 2127 | if (test_bit(__NX_DEV_UP, &adapter->state)) |
b2af9cb0 | 2128 | netxen_nic_enable_int(sds_ring); |
3d396eb1 AK |
2129 | } |
2130 | ||
bea3348e | 2131 | return work_done; |
3d396eb1 AK |
2132 | } |
2133 | ||
2134 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
2135 | static void netxen_nic_poll_controller(struct net_device *netdev) | |
2136 | { | |
3176ff3e | 2137 | struct netxen_adapter *adapter = netdev_priv(netdev); |
3d396eb1 | 2138 | disable_irq(adapter->irq); |
1494a814 | 2139 | netxen_intr(adapter->irq, adapter); |
3d396eb1 AK |
2140 | enable_irq(adapter->irq); |
2141 | } | |
2142 | #endif | |
3d396eb1 | 2143 | |
6a581e93 DP |
2144 | static int |
2145 | nx_incr_dev_ref_cnt(struct netxen_adapter *adapter) | |
2146 | { | |
2147 | int count; | |
2148 | if (netxen_api_lock(adapter)) | |
2149 | return -EIO; | |
2150 | ||
2151 | count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT); | |
2152 | ||
2153 | NXWR32(adapter, NX_CRB_DEV_REF_COUNT, ++count); | |
2154 | ||
2155 | netxen_api_unlock(adapter); | |
2156 | return count; | |
2157 | } | |
2158 | ||
2159 | static int | |
2160 | nx_decr_dev_ref_cnt(struct netxen_adapter *adapter) | |
2161 | { | |
2162 | int count; | |
2163 | if (netxen_api_lock(adapter)) | |
2164 | return -EIO; | |
2165 | ||
2166 | count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT); | |
2167 | WARN_ON(count == 0); | |
2168 | ||
2169 | NXWR32(adapter, NX_CRB_DEV_REF_COUNT, --count); | |
2170 | ||
2171 | if (count == 0) | |
2172 | NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_COLD); | |
2173 | ||
2174 | netxen_api_unlock(adapter); | |
2175 | return count; | |
2176 | } | |
2177 | ||
e87ad553 AKS |
2178 | static int |
2179 | nx_dev_request_aer(struct netxen_adapter *adapter) | |
2180 | { | |
2181 | u32 state; | |
2182 | int ret = -EINVAL; | |
2183 | ||
2184 | if (netxen_api_lock(adapter)) | |
2185 | return ret; | |
2186 | ||
2187 | state = NXRD32(adapter, NX_CRB_DEV_STATE); | |
2188 | ||
2189 | if (state == NX_DEV_NEED_AER) | |
2190 | ret = 0; | |
2191 | else if (state == NX_DEV_READY) { | |
2192 | NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_NEED_AER); | |
2193 | ret = 0; | |
2194 | } | |
2195 | ||
2196 | netxen_api_unlock(adapter); | |
2197 | return ret; | |
2198 | } | |
2199 | ||
2200 | static int | |
74c520da AKS |
2201 | nx_dev_request_reset(struct netxen_adapter *adapter) |
2202 | { | |
2203 | u32 state; | |
e87ad553 | 2204 | int ret = -EINVAL; |
74c520da AKS |
2205 | |
2206 | if (netxen_api_lock(adapter)) | |
e87ad553 | 2207 | return ret; |
74c520da AKS |
2208 | |
2209 | state = NXRD32(adapter, NX_CRB_DEV_STATE); | |
2210 | ||
e87ad553 AKS |
2211 | if (state == NX_DEV_NEED_RESET) |
2212 | ret = 0; | |
2213 | else if (state != NX_DEV_INITALIZING && state != NX_DEV_NEED_AER) { | |
74c520da | 2214 | NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_NEED_RESET); |
e87ad553 AKS |
2215 | ret = 0; |
2216 | } | |
74c520da AKS |
2217 | |
2218 | netxen_api_unlock(adapter); | |
e87ad553 AKS |
2219 | |
2220 | return ret; | |
74c520da AKS |
2221 | } |
2222 | ||
6a581e93 DP |
2223 | static int |
2224 | netxen_can_start_firmware(struct netxen_adapter *adapter) | |
2225 | { | |
2226 | int count; | |
2227 | int can_start = 0; | |
2228 | ||
2229 | if (netxen_api_lock(adapter)) | |
2230 | return 0; | |
2231 | ||
2232 | count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT); | |
2233 | ||
2234 | if ((count < 0) || (count >= NX_MAX_PCI_FUNC)) | |
2235 | count = 0; | |
2236 | ||
2237 | if (count == 0) { | |
2238 | can_start = 1; | |
2239 | NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_INITALIZING); | |
2240 | } | |
2241 | ||
2242 | NXWR32(adapter, NX_CRB_DEV_REF_COUNT, ++count); | |
2243 | ||
2244 | netxen_api_unlock(adapter); | |
2245 | ||
2246 | return can_start; | |
2247 | } | |
2248 | ||
2249 | static void | |
2250 | netxen_schedule_work(struct netxen_adapter *adapter, | |
2251 | work_func_t func, int delay) | |
2252 | { | |
2253 | INIT_DELAYED_WORK(&adapter->fw_work, func); | |
2254 | schedule_delayed_work(&adapter->fw_work, delay); | |
2255 | } | |
2256 | ||
2257 | static void | |
2258 | netxen_cancel_fw_work(struct netxen_adapter *adapter) | |
2259 | { | |
2260 | while (test_and_set_bit(__NX_RESETTING, &adapter->state)) | |
2261 | msleep(10); | |
2262 | ||
2263 | cancel_delayed_work_sync(&adapter->fw_work); | |
2264 | } | |
2265 | ||
2266 | static void | |
2267 | netxen_attach_work(struct work_struct *work) | |
2268 | { | |
2269 | struct netxen_adapter *adapter = container_of(work, | |
2270 | struct netxen_adapter, fw_work.work); | |
2271 | struct net_device *netdev = adapter->netdev; | |
2272 | int err = 0; | |
2273 | ||
2274 | if (netif_running(netdev)) { | |
2275 | err = netxen_nic_attach(adapter); | |
2276 | if (err) | |
2277 | goto done; | |
2278 | ||
2279 | err = netxen_nic_up(adapter, netdev); | |
2280 | if (err) { | |
2281 | netxen_nic_detach(adapter); | |
2282 | goto done; | |
2283 | } | |
2284 | ||
d0725e4d | 2285 | netxen_config_indev_addr(netdev, NETDEV_UP); |
6a581e93 DP |
2286 | } |
2287 | ||
2288 | netif_device_attach(netdev); | |
2289 | ||
2290 | done: | |
2291 | adapter->fw_fail_cnt = 0; | |
2292 | clear_bit(__NX_RESETTING, &adapter->state); | |
2293 | netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY); | |
2294 | } | |
2295 | ||
2296 | static void | |
2297 | netxen_fwinit_work(struct work_struct *work) | |
2298 | { | |
2299 | struct netxen_adapter *adapter = container_of(work, | |
2300 | struct netxen_adapter, fw_work.work); | |
2301 | int dev_state; | |
2302 | ||
2303 | dev_state = NXRD32(adapter, NX_CRB_DEV_STATE); | |
2304 | ||
2305 | switch (dev_state) { | |
2306 | case NX_DEV_COLD: | |
2307 | case NX_DEV_READY: | |
74c520da AKS |
2308 | if (!netxen_start_firmware(adapter)) { |
2309 | netxen_schedule_work(adapter, netxen_attach_work, 0); | |
2310 | return; | |
2311 | } | |
2312 | break; | |
6a581e93 | 2313 | |
6b50ea15 | 2314 | case NX_DEV_NEED_RESET: |
6a581e93 DP |
2315 | case NX_DEV_INITALIZING: |
2316 | if (++adapter->fw_wait_cnt < FW_POLL_THRESH) { | |
2317 | netxen_schedule_work(adapter, | |
2318 | netxen_fwinit_work, 2 * FW_POLL_DELAY); | |
2319 | return; | |
2320 | } | |
6a581e93 DP |
2321 | |
2322 | case NX_DEV_FAILED: | |
2323 | default: | |
8f9b3f69 | 2324 | nx_incr_dev_ref_cnt(adapter); |
6a581e93 DP |
2325 | break; |
2326 | } | |
2327 | ||
6a581e93 DP |
2328 | clear_bit(__NX_RESETTING, &adapter->state); |
2329 | } | |
2330 | ||
2331 | static void | |
2332 | netxen_detach_work(struct work_struct *work) | |
2333 | { | |
2334 | struct netxen_adapter *adapter = container_of(work, | |
2335 | struct netxen_adapter, fw_work.work); | |
2336 | struct net_device *netdev = adapter->netdev; | |
2337 | int ref_cnt, delay; | |
2338 | u32 status; | |
2339 | ||
2340 | netif_device_detach(netdev); | |
2341 | ||
6f771419 | 2342 | netxen_nic_down(adapter, netdev); |
6a581e93 | 2343 | |
e15eec28 | 2344 | rtnl_lock(); |
6a581e93 | 2345 | netxen_nic_detach(adapter); |
e15eec28 | 2346 | rtnl_unlock(); |
6a581e93 DP |
2347 | |
2348 | status = NXRD32(adapter, NETXEN_PEG_HALT_STATUS1); | |
2349 | ||
6a581e93 | 2350 | if (status & NX_RCODE_FATAL_ERROR) |
8f9b3f69 | 2351 | goto err_ret; |
6a581e93 DP |
2352 | |
2353 | if (adapter->temp == NX_TEMP_PANIC) | |
8f9b3f69 AKS |
2354 | goto err_ret; |
2355 | ||
2356 | ref_cnt = nx_decr_dev_ref_cnt(adapter); | |
6a581e93 | 2357 | |
6b50ea15 AKS |
2358 | if (ref_cnt == -EIO) |
2359 | goto err_ret; | |
2360 | ||
6a581e93 DP |
2361 | delay = (ref_cnt == 0) ? 0 : (2 * FW_POLL_DELAY); |
2362 | ||
2363 | adapter->fw_wait_cnt = 0; | |
2364 | netxen_schedule_work(adapter, netxen_fwinit_work, delay); | |
8f9b3f69 AKS |
2365 | |
2366 | return; | |
2367 | ||
2368 | err_ret: | |
2369 | clear_bit(__NX_RESETTING, &adapter->state); | |
6a581e93 DP |
2370 | } |
2371 | ||
2372 | static int | |
2373 | netxen_check_health(struct netxen_adapter *adapter) | |
2374 | { | |
2375 | u32 state, heartbit; | |
2376 | struct net_device *netdev = adapter->netdev; | |
2377 | ||
e87ad553 AKS |
2378 | state = NXRD32(adapter, NX_CRB_DEV_STATE); |
2379 | if (state == NX_DEV_NEED_AER) | |
2380 | return 0; | |
2381 | ||
6a581e93 DP |
2382 | if (netxen_nic_check_temp(adapter)) |
2383 | goto detach; | |
2384 | ||
74c520da | 2385 | if (adapter->need_fw_reset) { |
e87ad553 AKS |
2386 | if (nx_dev_request_reset(adapter)) |
2387 | return 0; | |
74c520da AKS |
2388 | goto detach; |
2389 | } | |
2390 | ||
e87ad553 AKS |
2391 | /* NX_DEV_NEED_RESET, this state can be marked in two cases |
2392 | * 1. Tx timeout 2. Fw hang | |
2393 | * Send request to destroy context in case of tx timeout only | |
2394 | * and doesn't required in case of Fw hang | |
2395 | */ | |
6a808c6c AKS |
2396 | if (state == NX_DEV_NEED_RESET) { |
2397 | adapter->need_fw_reset = 1; | |
e87ad553 AKS |
2398 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) |
2399 | goto detach; | |
6a808c6c | 2400 | } |
6a581e93 DP |
2401 | |
2402 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) | |
2403 | return 0; | |
2404 | ||
2405 | heartbit = NXRD32(adapter, NETXEN_PEG_ALIVE_COUNTER); | |
2406 | if (heartbit != adapter->heartbit) { | |
2407 | adapter->heartbit = heartbit; | |
2408 | adapter->fw_fail_cnt = 0; | |
e87ad553 AKS |
2409 | if (adapter->need_fw_reset) |
2410 | goto detach; | |
6a581e93 DP |
2411 | return 0; |
2412 | } | |
2413 | ||
2414 | if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) | |
2415 | return 0; | |
2416 | ||
e87ad553 AKS |
2417 | if (nx_dev_request_reset(adapter)) |
2418 | return 0; | |
2419 | ||
6a581e93 DP |
2420 | clear_bit(__NX_FW_ATTACHED, &adapter->state); |
2421 | ||
2422 | dev_info(&netdev->dev, "firmware hang detected\n"); | |
2423 | ||
2424 | detach: | |
caa2dd53 NK |
2425 | if ((auto_fw_reset == AUTO_FW_RESET_ENABLED) && |
2426 | !test_and_set_bit(__NX_RESETTING, &adapter->state)) | |
6a581e93 DP |
2427 | netxen_schedule_work(adapter, netxen_detach_work, 0); |
2428 | return 1; | |
2429 | } | |
2430 | ||
2431 | static void | |
2432 | netxen_fw_poll_work(struct work_struct *work) | |
2433 | { | |
2434 | struct netxen_adapter *adapter = container_of(work, | |
2435 | struct netxen_adapter, fw_work.work); | |
2436 | ||
2437 | if (test_bit(__NX_RESETTING, &adapter->state)) | |
2438 | goto reschedule; | |
2439 | ||
2440 | if (test_bit(__NX_DEV_UP, &adapter->state)) { | |
2441 | if (!adapter->has_link_events) { | |
2442 | ||
2443 | netxen_nic_handle_phy_intr(adapter); | |
2444 | ||
2445 | if (adapter->link_changed) | |
2446 | netxen_nic_set_link_parameters(adapter); | |
2447 | } | |
2448 | } | |
2449 | ||
2450 | if (netxen_check_health(adapter)) | |
2451 | return; | |
2452 | ||
2453 | reschedule: | |
2454 | netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY); | |
2455 | } | |
2456 | ||
fa3ce355 NK |
2457 | static ssize_t |
2458 | netxen_store_bridged_mode(struct device *dev, | |
2459 | struct device_attribute *attr, const char *buf, size_t len) | |
2460 | { | |
2461 | struct net_device *net = to_net_dev(dev); | |
2462 | struct netxen_adapter *adapter = netdev_priv(net); | |
2463 | unsigned long new; | |
2464 | int ret = -EINVAL; | |
2465 | ||
2466 | if (!(adapter->capabilities & NX_FW_CAPABILITY_BDG)) | |
2467 | goto err_out; | |
2468 | ||
2469 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) | |
2470 | goto err_out; | |
2471 | ||
2472 | if (strict_strtoul(buf, 2, &new)) | |
2473 | goto err_out; | |
2474 | ||
2475 | if (!netxen_config_bridged_mode(adapter, !!new)) | |
2476 | ret = len; | |
2477 | ||
2478 | err_out: | |
2479 | return ret; | |
2480 | } | |
2481 | ||
2482 | static ssize_t | |
2483 | netxen_show_bridged_mode(struct device *dev, | |
2484 | struct device_attribute *attr, char *buf) | |
2485 | { | |
2486 | struct net_device *net = to_net_dev(dev); | |
2487 | struct netxen_adapter *adapter; | |
2488 | int bridged_mode = 0; | |
2489 | ||
2490 | adapter = netdev_priv(net); | |
2491 | ||
2492 | if (adapter->capabilities & NX_FW_CAPABILITY_BDG) | |
2493 | bridged_mode = !!(adapter->flags & NETXEN_NIC_BRIDGE_ENABLED); | |
2494 | ||
2495 | return sprintf(buf, "%d\n", bridged_mode); | |
2496 | } | |
2497 | ||
2498 | static struct device_attribute dev_attr_bridged_mode = { | |
2499 | .attr = {.name = "bridged_mode", .mode = (S_IRUGO | S_IWUSR)}, | |
2500 | .show = netxen_show_bridged_mode, | |
2501 | .store = netxen_store_bridged_mode, | |
2502 | }; | |
2503 | ||
70f9cf89 DP |
2504 | static ssize_t |
2505 | netxen_store_diag_mode(struct device *dev, | |
2506 | struct device_attribute *attr, const char *buf, size_t len) | |
2507 | { | |
2508 | struct netxen_adapter *adapter = dev_get_drvdata(dev); | |
2509 | unsigned long new; | |
2510 | ||
2511 | if (strict_strtoul(buf, 2, &new)) | |
2512 | return -EINVAL; | |
2513 | ||
2514 | if (!!new != !!(adapter->flags & NETXEN_NIC_DIAG_ENABLED)) | |
2515 | adapter->flags ^= NETXEN_NIC_DIAG_ENABLED; | |
2516 | ||
2517 | return len; | |
2518 | } | |
2519 | ||
2520 | static ssize_t | |
2521 | netxen_show_diag_mode(struct device *dev, | |
2522 | struct device_attribute *attr, char *buf) | |
2523 | { | |
2524 | struct netxen_adapter *adapter = dev_get_drvdata(dev); | |
2525 | ||
2526 | return sprintf(buf, "%d\n", | |
2527 | !!(adapter->flags & NETXEN_NIC_DIAG_ENABLED)); | |
2528 | } | |
2529 | ||
2530 | static struct device_attribute dev_attr_diag_mode = { | |
2531 | .attr = {.name = "diag_mode", .mode = (S_IRUGO | S_IWUSR)}, | |
2532 | .show = netxen_show_diag_mode, | |
2533 | .store = netxen_store_diag_mode, | |
2534 | }; | |
2535 | ||
2536 | static int | |
2537 | netxen_sysfs_validate_crb(struct netxen_adapter *adapter, | |
2538 | loff_t offset, size_t size) | |
2539 | { | |
0b9715e6 AKS |
2540 | size_t crb_size = 4; |
2541 | ||
70f9cf89 DP |
2542 | if (!(adapter->flags & NETXEN_NIC_DIAG_ENABLED)) |
2543 | return -EIO; | |
2544 | ||
0b9715e6 AKS |
2545 | if (offset < NETXEN_PCI_CRBSPACE) { |
2546 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) | |
2547 | return -EINVAL; | |
70f9cf89 | 2548 | |
0b9715e6 AKS |
2549 | if (ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM, |
2550 | NETXEN_PCI_CAMQM_2M_END)) | |
2551 | crb_size = 8; | |
2552 | else | |
2553 | return -EINVAL; | |
2554 | } | |
2555 | ||
2556 | if ((size != crb_size) || (offset & (crb_size-1))) | |
2557 | return -EINVAL; | |
70f9cf89 DP |
2558 | |
2559 | return 0; | |
2560 | } | |
2561 | ||
2562 | static ssize_t | |
2563 | netxen_sysfs_read_crb(struct kobject *kobj, struct bin_attribute *attr, | |
2564 | char *buf, loff_t offset, size_t size) | |
2565 | { | |
2566 | struct device *dev = container_of(kobj, struct device, kobj); | |
2567 | struct netxen_adapter *adapter = dev_get_drvdata(dev); | |
2568 | u32 data; | |
0b9715e6 | 2569 | u64 qmdata; |
70f9cf89 DP |
2570 | int ret; |
2571 | ||
2572 | ret = netxen_sysfs_validate_crb(adapter, offset, size); | |
2573 | if (ret != 0) | |
2574 | return ret; | |
2575 | ||
0b9715e6 AKS |
2576 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id) && |
2577 | ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM, | |
2578 | NETXEN_PCI_CAMQM_2M_END)) { | |
2579 | netxen_pci_camqm_read_2M(adapter, offset, &qmdata); | |
2580 | memcpy(buf, &qmdata, size); | |
2581 | } else { | |
2582 | data = NXRD32(adapter, offset); | |
2583 | memcpy(buf, &data, size); | |
2584 | } | |
2585 | ||
70f9cf89 DP |
2586 | return size; |
2587 | } | |
2588 | ||
2589 | static ssize_t | |
2590 | netxen_sysfs_write_crb(struct kobject *kobj, struct bin_attribute *attr, | |
2591 | char *buf, loff_t offset, size_t size) | |
2592 | { | |
2593 | struct device *dev = container_of(kobj, struct device, kobj); | |
2594 | struct netxen_adapter *adapter = dev_get_drvdata(dev); | |
2595 | u32 data; | |
0b9715e6 | 2596 | u64 qmdata; |
70f9cf89 DP |
2597 | int ret; |
2598 | ||
2599 | ret = netxen_sysfs_validate_crb(adapter, offset, size); | |
2600 | if (ret != 0) | |
2601 | return ret; | |
2602 | ||
0b9715e6 AKS |
2603 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id) && |
2604 | ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM, | |
2605 | NETXEN_PCI_CAMQM_2M_END)) { | |
2606 | memcpy(&qmdata, buf, size); | |
2607 | netxen_pci_camqm_write_2M(adapter, offset, qmdata); | |
2608 | } else { | |
2609 | memcpy(&data, buf, size); | |
2610 | NXWR32(adapter, offset, data); | |
2611 | } | |
2612 | ||
70f9cf89 DP |
2613 | return size; |
2614 | } | |
2615 | ||
2616 | static int | |
2617 | netxen_sysfs_validate_mem(struct netxen_adapter *adapter, | |
2618 | loff_t offset, size_t size) | |
2619 | { | |
2620 | if (!(adapter->flags & NETXEN_NIC_DIAG_ENABLED)) | |
2621 | return -EIO; | |
2622 | ||
2623 | if ((size != 8) || (offset & 0x7)) | |
2624 | return -EIO; | |
2625 | ||
2626 | return 0; | |
2627 | } | |
2628 | ||
2629 | static ssize_t | |
2630 | netxen_sysfs_read_mem(struct kobject *kobj, struct bin_attribute *attr, | |
2631 | char *buf, loff_t offset, size_t size) | |
2632 | { | |
2633 | struct device *dev = container_of(kobj, struct device, kobj); | |
2634 | struct netxen_adapter *adapter = dev_get_drvdata(dev); | |
2635 | u64 data; | |
2636 | int ret; | |
2637 | ||
2638 | ret = netxen_sysfs_validate_mem(adapter, offset, size); | |
2639 | if (ret != 0) | |
2640 | return ret; | |
2641 | ||
2642 | if (adapter->pci_mem_read(adapter, offset, &data)) | |
2643 | return -EIO; | |
2644 | ||
2645 | memcpy(buf, &data, size); | |
2646 | ||
2647 | return size; | |
2648 | } | |
2649 | ||
1954dc11 | 2650 | static ssize_t netxen_sysfs_write_mem(struct kobject *kobj, |
70f9cf89 DP |
2651 | struct bin_attribute *attr, char *buf, |
2652 | loff_t offset, size_t size) | |
2653 | { | |
2654 | struct device *dev = container_of(kobj, struct device, kobj); | |
2655 | struct netxen_adapter *adapter = dev_get_drvdata(dev); | |
2656 | u64 data; | |
2657 | int ret; | |
2658 | ||
2659 | ret = netxen_sysfs_validate_mem(adapter, offset, size); | |
2660 | if (ret != 0) | |
2661 | return ret; | |
2662 | ||
2663 | memcpy(&data, buf, size); | |
2664 | ||
2665 | if (adapter->pci_mem_write(adapter, offset, data)) | |
2666 | return -EIO; | |
2667 | ||
2668 | return size; | |
2669 | } | |
2670 | ||
2671 | ||
2672 | static struct bin_attribute bin_attr_crb = { | |
2673 | .attr = {.name = "crb", .mode = (S_IRUGO | S_IWUSR)}, | |
2674 | .size = 0, | |
2675 | .read = netxen_sysfs_read_crb, | |
2676 | .write = netxen_sysfs_write_crb, | |
2677 | }; | |
2678 | ||
2679 | static struct bin_attribute bin_attr_mem = { | |
2680 | .attr = {.name = "mem", .mode = (S_IRUGO | S_IWUSR)}, | |
2681 | .size = 0, | |
2682 | .read = netxen_sysfs_read_mem, | |
2683 | .write = netxen_sysfs_write_mem, | |
2684 | }; | |
2685 | ||
caa2dd53 | 2686 | |
fa3ce355 NK |
2687 | static void |
2688 | netxen_create_sysfs_entries(struct netxen_adapter *adapter) | |
2689 | { | |
2690 | struct net_device *netdev = adapter->netdev; | |
2691 | struct device *dev = &netdev->dev; | |
2692 | ||
2693 | if (adapter->capabilities & NX_FW_CAPABILITY_BDG) { | |
2694 | /* bridged_mode control */ | |
2695 | if (device_create_file(dev, &dev_attr_bridged_mode)) { | |
2696 | dev_warn(&netdev->dev, | |
2697 | "failed to create bridged_mode sysfs entry\n"); | |
2698 | } | |
2699 | } | |
2700 | } | |
2701 | ||
2702 | static void | |
2703 | netxen_remove_sysfs_entries(struct netxen_adapter *adapter) | |
2704 | { | |
2705 | struct net_device *netdev = adapter->netdev; | |
2706 | struct device *dev = &netdev->dev; | |
2707 | ||
2708 | if (adapter->capabilities & NX_FW_CAPABILITY_BDG) | |
2709 | device_remove_file(dev, &dev_attr_bridged_mode); | |
2710 | } | |
2711 | ||
70f9cf89 DP |
2712 | static void |
2713 | netxen_create_diag_entries(struct netxen_adapter *adapter) | |
2714 | { | |
2715 | struct pci_dev *pdev = adapter->pdev; | |
2716 | struct device *dev; | |
2717 | ||
2718 | dev = &pdev->dev; | |
2719 | if (device_create_file(dev, &dev_attr_diag_mode)) | |
2720 | dev_info(dev, "failed to create diag_mode sysfs entry\n"); | |
2721 | if (device_create_bin_file(dev, &bin_attr_crb)) | |
2722 | dev_info(dev, "failed to create crb sysfs entry\n"); | |
2723 | if (device_create_bin_file(dev, &bin_attr_mem)) | |
2724 | dev_info(dev, "failed to create mem sysfs entry\n"); | |
2725 | } | |
2726 | ||
2727 | ||
2728 | static void | |
2729 | netxen_remove_diag_entries(struct netxen_adapter *adapter) | |
2730 | { | |
2731 | struct pci_dev *pdev = adapter->pdev; | |
2732 | struct device *dev = &pdev->dev; | |
2733 | ||
2734 | device_remove_file(dev, &dev_attr_diag_mode); | |
2735 | device_remove_bin_file(dev, &bin_attr_crb); | |
2736 | device_remove_bin_file(dev, &bin_attr_mem); | |
2737 | } | |
2738 | ||
044824d9 DP |
2739 | #ifdef CONFIG_INET |
2740 | ||
6598b169 DP |
2741 | #define is_netxen_netdev(dev) (dev->netdev_ops == &netxen_netdev_ops) |
2742 | ||
2743 | static int | |
2744 | netxen_destip_supported(struct netxen_adapter *adapter) | |
2745 | { | |
2746 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) | |
2747 | return 0; | |
2748 | ||
2749 | if (adapter->ahw.cut_through) | |
2750 | return 0; | |
2751 | ||
2752 | return 1; | |
2753 | } | |
2754 | ||
d0725e4d AKS |
2755 | static void |
2756 | netxen_config_indev_addr(struct net_device *dev, unsigned long event) | |
2757 | { | |
2758 | struct in_device *indev; | |
2759 | struct netxen_adapter *adapter = netdev_priv(dev); | |
2760 | ||
3db76755 | 2761 | if (!netxen_destip_supported(adapter)) |
d0725e4d AKS |
2762 | return; |
2763 | ||
2764 | indev = in_dev_get(dev); | |
2765 | if (!indev) | |
2766 | return; | |
2767 | ||
2768 | for_ifa(indev) { | |
2769 | switch (event) { | |
2770 | case NETDEV_UP: | |
2771 | netxen_config_ipaddr(adapter, | |
2772 | ifa->ifa_address, NX_IP_UP); | |
2773 | break; | |
2774 | case NETDEV_DOWN: | |
2775 | netxen_config_ipaddr(adapter, | |
2776 | ifa->ifa_address, NX_IP_DOWN); | |
2777 | break; | |
2778 | default: | |
2779 | break; | |
2780 | } | |
2781 | } endfor_ifa(indev); | |
2782 | ||
2783 | in_dev_put(indev); | |
d0725e4d AKS |
2784 | } |
2785 | ||
6598b169 DP |
2786 | static int netxen_netdev_event(struct notifier_block *this, |
2787 | unsigned long event, void *ptr) | |
2788 | { | |
2789 | struct netxen_adapter *adapter; | |
2790 | struct net_device *dev = (struct net_device *)ptr; | |
6598b169 DP |
2791 | |
2792 | recheck: | |
2793 | if (dev == NULL) | |
2794 | goto done; | |
2795 | ||
2796 | if (dev->priv_flags & IFF_802_1Q_VLAN) { | |
2797 | dev = vlan_dev_real_dev(dev); | |
2798 | goto recheck; | |
2799 | } | |
2800 | ||
2801 | if (!is_netxen_netdev(dev)) | |
2802 | goto done; | |
2803 | ||
2804 | adapter = netdev_priv(dev); | |
2805 | ||
d0725e4d | 2806 | if (!adapter) |
6598b169 DP |
2807 | goto done; |
2808 | ||
2809 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) | |
2810 | goto done; | |
2811 | ||
d0725e4d | 2812 | netxen_config_indev_addr(dev, event); |
6598b169 DP |
2813 | done: |
2814 | return NOTIFY_DONE; | |
2815 | } | |
2816 | ||
2817 | static int | |
2818 | netxen_inetaddr_event(struct notifier_block *this, | |
2819 | unsigned long event, void *ptr) | |
2820 | { | |
2821 | struct netxen_adapter *adapter; | |
2822 | struct net_device *dev; | |
2823 | ||
2824 | struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; | |
2825 | ||
2826 | dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; | |
2827 | ||
2828 | recheck: | |
2829 | if (dev == NULL || !netif_running(dev)) | |
2830 | goto done; | |
2831 | ||
2832 | if (dev->priv_flags & IFF_802_1Q_VLAN) { | |
2833 | dev = vlan_dev_real_dev(dev); | |
2834 | goto recheck; | |
2835 | } | |
2836 | ||
2837 | if (!is_netxen_netdev(dev)) | |
2838 | goto done; | |
2839 | ||
2840 | adapter = netdev_priv(dev); | |
2841 | ||
2842 | if (!adapter || !netxen_destip_supported(adapter)) | |
2843 | goto done; | |
2844 | ||
2845 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) | |
2846 | goto done; | |
2847 | ||
2848 | switch (event) { | |
2849 | case NETDEV_UP: | |
2850 | netxen_config_ipaddr(adapter, ifa->ifa_address, NX_IP_UP); | |
2851 | break; | |
2852 | case NETDEV_DOWN: | |
2853 | netxen_config_ipaddr(adapter, ifa->ifa_address, NX_IP_DOWN); | |
2854 | break; | |
2855 | default: | |
2856 | break; | |
2857 | } | |
2858 | ||
2859 | done: | |
2860 | return NOTIFY_DONE; | |
2861 | } | |
2862 | ||
2863 | static struct notifier_block netxen_netdev_cb = { | |
2864 | .notifier_call = netxen_netdev_event, | |
2865 | }; | |
2866 | ||
2867 | static struct notifier_block netxen_inetaddr_cb = { | |
2868 | .notifier_call = netxen_inetaddr_event, | |
2869 | }; | |
9feae56c RD |
2870 | #else |
2871 | static void | |
2872 | netxen_config_indev_addr(struct net_device *dev, unsigned long event) | |
2873 | { } | |
044824d9 | 2874 | #endif |
6598b169 | 2875 | |
e87ad553 AKS |
2876 | static struct pci_error_handlers netxen_err_handler = { |
2877 | .error_detected = netxen_io_error_detected, | |
2878 | .slot_reset = netxen_io_slot_reset, | |
2879 | .resume = netxen_io_resume, | |
2880 | }; | |
2881 | ||
3d396eb1 AK |
2882 | static struct pci_driver netxen_driver = { |
2883 | .name = netxen_nic_driver_name, | |
2884 | .id_table = netxen_pci_tbl, | |
2885 | .probe = netxen_nic_probe, | |
0b72e659 | 2886 | .remove = __devexit_p(netxen_nic_remove), |
01542cd1 | 2887 | #ifdef CONFIG_PM |
0b72e659 | 2888 | .suspend = netxen_nic_suspend, |
22b5794b | 2889 | .resume = netxen_nic_resume, |
01542cd1 | 2890 | #endif |
e87ad553 AKS |
2891 | .shutdown = netxen_nic_shutdown, |
2892 | .err_handler = &netxen_err_handler | |
3d396eb1 AK |
2893 | }; |
2894 | ||
3d396eb1 AK |
2895 | static int __init netxen_init_module(void) |
2896 | { | |
ff4fbd43 DP |
2897 | printk(KERN_INFO "%s\n", netxen_nic_driver_string); |
2898 | ||
044824d9 | 2899 | #ifdef CONFIG_INET |
6598b169 DP |
2900 | register_netdevice_notifier(&netxen_netdev_cb); |
2901 | register_inetaddr_notifier(&netxen_inetaddr_cb); | |
044824d9 | 2902 | #endif |
184231bd | 2903 | return pci_register_driver(&netxen_driver); |
3d396eb1 AK |
2904 | } |
2905 | ||
2906 | module_init(netxen_init_module); | |
2907 | ||
2908 | static void __exit netxen_exit_module(void) | |
2909 | { | |
3d396eb1 | 2910 | pci_unregister_driver(&netxen_driver); |
6598b169 | 2911 | |
044824d9 | 2912 | #ifdef CONFIG_INET |
6598b169 DP |
2913 | unregister_inetaddr_notifier(&netxen_inetaddr_cb); |
2914 | unregister_netdevice_notifier(&netxen_netdev_cb); | |
044824d9 | 2915 | #endif |
3d396eb1 AK |
2916 | } |
2917 | ||
2918 | module_exit(netxen_exit_module); |