Commit | Line | Data |
---|---|---|
3d396eb1 | 1 | /* |
5d242f1c | 2 | * Copyright (C) 2003 - 2009 NetXen, Inc. |
13af7a6e | 3 | * Copyright (C) 2009 - QLogic Corporation. |
3d396eb1 | 4 | * All rights reserved. |
80922fbc | 5 | * |
3d396eb1 AK |
6 | * This program is free software; you can redistribute it and/or |
7 | * modify it under the terms of the GNU General Public License | |
8 | * as published by the Free Software Foundation; either version 2 | |
9 | * of the License, or (at your option) any later version. | |
80922fbc | 10 | * |
3d396eb1 AK |
11 | * This program is distributed in the hope that it will be useful, but |
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
80922fbc | 15 | * |
3d396eb1 AK |
16 | * You should have received a copy of the GNU General Public License |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, | |
19 | * MA 02111-1307, USA. | |
80922fbc | 20 | * |
3d396eb1 AK |
21 | * The full GNU General Public License is included in this distribution |
22 | * in the file called LICENSE. | |
80922fbc | 23 | * |
3d396eb1 AK |
24 | */ |
25 | ||
cb8011ad | 26 | #include <linux/vmalloc.h> |
e98e3350 | 27 | #include <linux/interrupt.h> |
3d396eb1 AK |
28 | #include "netxen_nic_hw.h" |
29 | ||
30 | #include "netxen_nic.h" | |
3d396eb1 | 31 | |
1494a814 | 32 | #include <linux/dma-mapping.h> |
391587c3 | 33 | #include <linux/if_vlan.h> |
c9bdd4b5 | 34 | #include <net/ip.h> |
00977784 | 35 | #include <linux/ipv6.h> |
6598b169 | 36 | #include <linux/inetdevice.h> |
1494a814 | 37 | |
3d396eb1 AK |
38 | MODULE_DESCRIPTION("NetXen Multi port (1/10) Gigabit Network Driver"); |
39 | MODULE_LICENSE("GPL"); | |
40 | MODULE_VERSION(NETXEN_NIC_LINUX_VERSIONID); | |
41 | ||
ceded32f | 42 | char netxen_nic_driver_name[] = "netxen_nic"; |
3d396eb1 | 43 | static char netxen_nic_driver_string[] = "NetXen Network Driver version " |
cb8011ad | 44 | NETXEN_NIC_LINUX_VERSIONID; |
3d396eb1 | 45 | |
2956640d DP |
46 | static int port_mode = NETXEN_PORT_MODE_AUTO_NEG; |
47 | ||
48 | /* Default to restricted 1G auto-neg mode */ | |
49 | static int wol_port_mode = 5; | |
50 | ||
51 | static int use_msi = 1; | |
52 | ||
53 | static int use_msi_x = 1; | |
54 | ||
3d396eb1 AK |
55 | /* Local functions to NetXen NIC driver */ |
56 | static int __devinit netxen_nic_probe(struct pci_dev *pdev, | |
2956640d | 57 | const struct pci_device_id *ent); |
3d396eb1 AK |
58 | static void __devexit netxen_nic_remove(struct pci_dev *pdev); |
59 | static int netxen_nic_open(struct net_device *netdev); | |
60 | static int netxen_nic_close(struct net_device *netdev); | |
61357325 SH |
61 | static netdev_tx_t netxen_nic_xmit_frame(struct sk_buff *, |
62 | struct net_device *); | |
3d396eb1 | 63 | static void netxen_tx_timeout(struct net_device *netdev); |
74c520da | 64 | static void netxen_tx_timeout_task(struct work_struct *work); |
6a581e93 DP |
65 | static void netxen_fw_poll_work(struct work_struct *work); |
66 | static void netxen_schedule_work(struct netxen_adapter *adapter, | |
67 | work_func_t func, int delay); | |
68 | static void netxen_cancel_fw_work(struct netxen_adapter *adapter); | |
bea3348e | 69 | static int netxen_nic_poll(struct napi_struct *napi, int budget); |
3d396eb1 AK |
70 | #ifdef CONFIG_NET_POLL_CONTROLLER |
71 | static void netxen_nic_poll_controller(struct net_device *netdev); | |
72 | #endif | |
fa3ce355 NK |
73 | |
74 | static void netxen_create_sysfs_entries(struct netxen_adapter *adapter); | |
75 | static void netxen_remove_sysfs_entries(struct netxen_adapter *adapter); | |
76 | ||
6a581e93 DP |
77 | static int nx_decr_dev_ref_cnt(struct netxen_adapter *adapter); |
78 | static int netxen_can_start_firmware(struct netxen_adapter *adapter); | |
79 | ||
1494a814 | 80 | static irqreturn_t netxen_intr(int irq, void *data); |
05aaa02d | 81 | static irqreturn_t netxen_msi_intr(int irq, void *data); |
b3df68f8 | 82 | static irqreturn_t netxen_msix_intr(int irq, void *data); |
3d396eb1 | 83 | |
d0725e4d AKS |
84 | static void netxen_config_indev_addr(struct net_device *dev, unsigned long); |
85 | ||
3d396eb1 | 86 | /* PCI Device ID Table */ |
70081ac5 | 87 | #define ENTRY(device) \ |
040dec3b | 88 | {PCI_DEVICE(PCI_VENDOR_ID_NETXEN, (device)), \ |
70081ac5 AV |
89 | .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0} |
90 | ||
3d396eb1 | 91 | static struct pci_device_id netxen_pci_tbl[] __devinitdata = { |
040dec3b DP |
92 | ENTRY(PCI_DEVICE_ID_NX2031_10GXSR), |
93 | ENTRY(PCI_DEVICE_ID_NX2031_10GCX4), | |
94 | ENTRY(PCI_DEVICE_ID_NX2031_4GCU), | |
95 | ENTRY(PCI_DEVICE_ID_NX2031_IMEZ), | |
96 | ENTRY(PCI_DEVICE_ID_NX2031_HMEZ), | |
97 | ENTRY(PCI_DEVICE_ID_NX2031_XG_MGMT), | |
98 | ENTRY(PCI_DEVICE_ID_NX2031_XG_MGMT2), | |
99 | ENTRY(PCI_DEVICE_ID_NX3031), | |
3d396eb1 AK |
100 | {0,} |
101 | }; | |
102 | ||
103 | MODULE_DEVICE_TABLE(pci, netxen_pci_tbl); | |
104 | ||
7830b22c DP |
105 | static uint32_t crb_cmd_producer[4] = { |
106 | CRB_CMD_PRODUCER_OFFSET, CRB_CMD_PRODUCER_OFFSET_1, | |
107 | CRB_CMD_PRODUCER_OFFSET_2, CRB_CMD_PRODUCER_OFFSET_3 | |
108 | }; | |
109 | ||
c9fc891f | 110 | void |
3ce06a32 | 111 | netxen_nic_update_cmd_producer(struct netxen_adapter *adapter, |
cb2107be | 112 | struct nx_host_tx_ring *tx_ring) |
3176ff3e | 113 | { |
195c5f98 | 114 | NXWRIO(adapter, tx_ring->crb_cmd_producer, tx_ring->producer); |
cb2107be DP |
115 | |
116 | if (netxen_tx_avail(tx_ring) <= TX_STOP_THRESH) { | |
117 | netif_stop_queue(adapter->netdev); | |
118 | smp_mb(); | |
119 | } | |
3176ff3e MT |
120 | } |
121 | ||
7830b22c DP |
122 | static uint32_t crb_cmd_consumer[4] = { |
123 | CRB_CMD_CONSUMER_OFFSET, CRB_CMD_CONSUMER_OFFSET_1, | |
124 | CRB_CMD_CONSUMER_OFFSET_2, CRB_CMD_CONSUMER_OFFSET_3 | |
125 | }; | |
126 | ||
3ce06a32 DP |
127 | static inline void |
128 | netxen_nic_update_cmd_consumer(struct netxen_adapter *adapter, | |
cb2107be | 129 | struct nx_host_tx_ring *tx_ring) |
3176ff3e | 130 | { |
195c5f98 | 131 | NXWRIO(adapter, tx_ring->crb_cmd_consumer, tx_ring->sw_consumer); |
3176ff3e MT |
132 | } |
133 | ||
2956640d | 134 | static uint32_t msi_tgt_status[8] = { |
443be796 | 135 | ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, |
2956640d DP |
136 | ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3, |
137 | ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5, | |
138 | ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7 | |
443be796 DP |
139 | }; |
140 | ||
2956640d DP |
141 | static struct netxen_legacy_intr_set legacy_intr[] = NX_LEGACY_INTR_CONFIG; |
142 | ||
d8b100c5 | 143 | static inline void netxen_nic_disable_int(struct nx_host_sds_ring *sds_ring) |
4638aef1 | 144 | { |
d8b100c5 DP |
145 | struct netxen_adapter *adapter = sds_ring->adapter; |
146 | ||
195c5f98 | 147 | NXWRIO(adapter, sds_ring->crb_intr_mask, 0); |
4638aef1 SH |
148 | } |
149 | ||
d8b100c5 | 150 | static inline void netxen_nic_enable_int(struct nx_host_sds_ring *sds_ring) |
4638aef1 | 151 | { |
d8b100c5 DP |
152 | struct netxen_adapter *adapter = sds_ring->adapter; |
153 | ||
195c5f98 | 154 | NXWRIO(adapter, sds_ring->crb_intr_mask, 0x1); |
4638aef1 | 155 | |
092bc571 | 156 | if (!NETXEN_IS_MSI_FAMILY(adapter)) |
195c5f98 | 157 | NXWRIO(adapter, adapter->tgt_mask_reg, 0xfbff); |
4638aef1 SH |
158 | } |
159 | ||
71dcddbd DP |
160 | static int |
161 | netxen_alloc_sds_rings(struct netxen_recv_context *recv_ctx, int count) | |
162 | { | |
163 | int size = sizeof(struct nx_host_sds_ring) * count; | |
164 | ||
165 | recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL); | |
166 | ||
167 | return (recv_ctx->sds_rings == NULL); | |
168 | } | |
169 | ||
d8b100c5 | 170 | static void |
71dcddbd DP |
171 | netxen_free_sds_rings(struct netxen_recv_context *recv_ctx) |
172 | { | |
173 | if (recv_ctx->sds_rings != NULL) | |
174 | kfree(recv_ctx->sds_rings); | |
232e7d68 DP |
175 | |
176 | recv_ctx->sds_rings = NULL; | |
71dcddbd DP |
177 | } |
178 | ||
179 | static int | |
d8b100c5 DP |
180 | netxen_napi_add(struct netxen_adapter *adapter, struct net_device *netdev) |
181 | { | |
182 | int ring; | |
183 | struct nx_host_sds_ring *sds_ring; | |
184 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; | |
185 | ||
71dcddbd | 186 | if (netxen_alloc_sds_rings(recv_ctx, adapter->max_sds_rings)) |
f17443f4 | 187 | return -ENOMEM; |
71dcddbd | 188 | |
d8b100c5 DP |
189 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
190 | sds_ring = &recv_ctx->sds_rings[ring]; | |
191 | netif_napi_add(netdev, &sds_ring->napi, | |
192 | netxen_nic_poll, NETXEN_NETDEV_WEIGHT); | |
193 | } | |
71dcddbd DP |
194 | |
195 | return 0; | |
d8b100c5 DP |
196 | } |
197 | ||
232e7d68 DP |
198 | static void |
199 | netxen_napi_del(struct netxen_adapter *adapter) | |
200 | { | |
201 | int ring; | |
202 | struct nx_host_sds_ring *sds_ring; | |
203 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; | |
204 | ||
205 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
206 | sds_ring = &recv_ctx->sds_rings[ring]; | |
207 | netif_napi_del(&sds_ring->napi); | |
208 | } | |
209 | ||
210 | netxen_free_sds_rings(&adapter->recv_ctx); | |
211 | } | |
212 | ||
d8b100c5 DP |
213 | static void |
214 | netxen_napi_enable(struct netxen_adapter *adapter) | |
215 | { | |
216 | int ring; | |
217 | struct nx_host_sds_ring *sds_ring; | |
218 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; | |
219 | ||
220 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
221 | sds_ring = &recv_ctx->sds_rings[ring]; | |
222 | napi_enable(&sds_ring->napi); | |
223 | netxen_nic_enable_int(sds_ring); | |
224 | } | |
225 | } | |
226 | ||
227 | static void | |
228 | netxen_napi_disable(struct netxen_adapter *adapter) | |
229 | { | |
230 | int ring; | |
231 | struct nx_host_sds_ring *sds_ring; | |
232 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; | |
233 | ||
234 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
235 | sds_ring = &recv_ctx->sds_rings[ring]; | |
be339aee | 236 | netxen_nic_disable_int(sds_ring); |
b2af9cb0 DP |
237 | napi_synchronize(&sds_ring->napi); |
238 | napi_disable(&sds_ring->napi); | |
d8b100c5 DP |
239 | } |
240 | } | |
241 | ||
50c643e7 | 242 | static int nx_set_dma_mask(struct netxen_adapter *adapter) |
2956640d DP |
243 | { |
244 | struct pci_dev *pdev = adapter->pdev; | |
1f434f63 DP |
245 | uint64_t mask, cmask; |
246 | ||
247 | adapter->pci_using_dac = 0; | |
2956640d | 248 | |
6afd142f | 249 | mask = DMA_BIT_MASK(32); |
6afd142f | 250 | cmask = DMA_BIT_MASK(32); |
1f434f63 | 251 | |
50c643e7 | 252 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { |
1f434f63 | 253 | #ifndef CONFIG_IA64 |
6afd142f | 254 | mask = DMA_BIT_MASK(35); |
1f434f63 | 255 | #endif |
50c643e7 DP |
256 | } else { |
257 | mask = DMA_BIT_MASK(39); | |
258 | cmask = mask; | |
259 | } | |
260 | ||
2956640d | 261 | if (pci_set_dma_mask(pdev, mask) == 0 && |
1f434f63 | 262 | pci_set_consistent_dma_mask(pdev, cmask) == 0) { |
2956640d DP |
263 | adapter->pci_using_dac = 1; |
264 | return 0; | |
265 | } | |
2956640d | 266 | |
1f434f63 DP |
267 | return -EIO; |
268 | } | |
269 | ||
270 | /* Update addressable range if firmware supports it */ | |
271 | static int | |
272 | nx_update_dma_mask(struct netxen_adapter *adapter) | |
273 | { | |
274 | int change, shift, err; | |
50c643e7 | 275 | uint64_t mask, old_mask, old_cmask; |
1f434f63 DP |
276 | struct pci_dev *pdev = adapter->pdev; |
277 | ||
278 | change = 0; | |
279 | ||
f98a9f69 | 280 | shift = NXRD32(adapter, CRB_DMA_SHIFT); |
f60f7856 | 281 | if (shift > 32) |
1f434f63 DP |
282 | return 0; |
283 | ||
284 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id) && (shift > 9)) | |
285 | change = 1; | |
286 | else if ((adapter->ahw.revision_id == NX_P2_C1) && (shift <= 4)) | |
287 | change = 1; | |
288 | ||
289 | if (change) { | |
290 | old_mask = pdev->dma_mask; | |
50c643e7 DP |
291 | old_cmask = pdev->dev.coherent_dma_mask; |
292 | ||
f60f7856 | 293 | mask = DMA_BIT_MASK(32+shift); |
1f434f63 DP |
294 | |
295 | err = pci_set_dma_mask(pdev, mask); | |
296 | if (err) | |
50c643e7 DP |
297 | goto err_out; |
298 | ||
299 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { | |
300 | ||
301 | err = pci_set_consistent_dma_mask(pdev, mask); | |
302 | if (err) | |
303 | goto err_out; | |
304 | } | |
305 | dev_info(&pdev->dev, "using %d-bit dma mask\n", 32+shift); | |
2956640d DP |
306 | } |
307 | ||
2956640d | 308 | return 0; |
50c643e7 DP |
309 | |
310 | err_out: | |
311 | pci_set_dma_mask(pdev, old_mask); | |
312 | pci_set_consistent_dma_mask(pdev, old_cmask); | |
313 | return err; | |
2956640d DP |
314 | } |
315 | ||
2956640d DP |
316 | static int |
317 | netxen_check_hw_init(struct netxen_adapter *adapter, int first_boot) | |
318 | { | |
27c915a4 | 319 | u32 val, timeout; |
2956640d DP |
320 | |
321 | if (first_boot == 0x55555555) { | |
322 | /* This is the first boot after power up */ | |
f98a9f69 | 323 | NXWR32(adapter, NETXEN_CAM_RAM(0x1fc), NETXEN_BDINFO_MAGIC); |
27c915a4 DP |
324 | |
325 | if (!NX_IS_REVISION_P2(adapter->ahw.revision_id)) | |
326 | return 0; | |
2956640d DP |
327 | |
328 | /* PCI bus master workaround */ | |
f98a9f69 | 329 | first_boot = NXRD32(adapter, NETXEN_PCIE_REG(0x4)); |
2956640d DP |
330 | if (!(first_boot & 0x4)) { |
331 | first_boot |= 0x4; | |
f98a9f69 DP |
332 | NXWR32(adapter, NETXEN_PCIE_REG(0x4), first_boot); |
333 | first_boot = NXRD32(adapter, NETXEN_PCIE_REG(0x4)); | |
2956640d DP |
334 | } |
335 | ||
336 | /* This is the first boot after power up */ | |
f98a9f69 | 337 | first_boot = NXRD32(adapter, NETXEN_ROMUSB_GLB_SW_RESET); |
2956640d DP |
338 | if (first_boot != 0x80000f) { |
339 | /* clear the register for future unloads/loads */ | |
f98a9f69 | 340 | NXWR32(adapter, NETXEN_CAM_RAM(0x1fc), 0); |
27c915a4 | 341 | return -EIO; |
2956640d DP |
342 | } |
343 | ||
27c915a4 | 344 | /* Start P2 boot loader */ |
f98a9f69 DP |
345 | val = NXRD32(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE); |
346 | NXWR32(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE, val | 0x1); | |
27c915a4 DP |
347 | timeout = 0; |
348 | do { | |
349 | msleep(1); | |
f98a9f69 | 350 | val = NXRD32(adapter, NETXEN_CAM_RAM(0x1fc)); |
27c915a4 DP |
351 | |
352 | if (++timeout > 5000) | |
353 | return -EIO; | |
354 | ||
355 | } while (val == NETXEN_BDINFO_MAGIC); | |
2956640d | 356 | } |
27c915a4 | 357 | return 0; |
2956640d DP |
358 | } |
359 | ||
360 | static void netxen_set_port_mode(struct netxen_adapter *adapter) | |
361 | { | |
362 | u32 val, data; | |
363 | ||
1e2d0059 | 364 | val = adapter->ahw.board_type; |
2956640d DP |
365 | if ((val == NETXEN_BRDTYPE_P3_HMEZ) || |
366 | (val == NETXEN_BRDTYPE_P3_XG_LOM)) { | |
367 | if (port_mode == NETXEN_PORT_MODE_802_3_AP) { | |
368 | data = NETXEN_PORT_MODE_802_3_AP; | |
f98a9f69 | 369 | NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data); |
2956640d DP |
370 | } else if (port_mode == NETXEN_PORT_MODE_XG) { |
371 | data = NETXEN_PORT_MODE_XG; | |
f98a9f69 | 372 | NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data); |
2956640d DP |
373 | } else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_1G) { |
374 | data = NETXEN_PORT_MODE_AUTO_NEG_1G; | |
f98a9f69 | 375 | NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data); |
2956640d DP |
376 | } else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_XG) { |
377 | data = NETXEN_PORT_MODE_AUTO_NEG_XG; | |
f98a9f69 | 378 | NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data); |
2956640d DP |
379 | } else { |
380 | data = NETXEN_PORT_MODE_AUTO_NEG; | |
f98a9f69 | 381 | NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data); |
2956640d DP |
382 | } |
383 | ||
384 | if ((wol_port_mode != NETXEN_PORT_MODE_802_3_AP) && | |
385 | (wol_port_mode != NETXEN_PORT_MODE_XG) && | |
386 | (wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_1G) && | |
387 | (wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_XG)) { | |
388 | wol_port_mode = NETXEN_PORT_MODE_AUTO_NEG; | |
389 | } | |
f98a9f69 | 390 | NXWR32(adapter, NETXEN_WOL_PORT_MODE, wol_port_mode); |
2956640d DP |
391 | } |
392 | } | |
393 | ||
2956640d DP |
394 | static void netxen_set_msix_bit(struct pci_dev *pdev, int enable) |
395 | { | |
396 | u32 control; | |
397 | int pos; | |
398 | ||
399 | pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX); | |
400 | if (pos) { | |
401 | pci_read_config_dword(pdev, pos, &control); | |
402 | if (enable) | |
403 | control |= PCI_MSIX_FLAGS_ENABLE; | |
404 | else | |
405 | control = 0; | |
406 | pci_write_config_dword(pdev, pos, control); | |
407 | } | |
408 | } | |
409 | ||
be339aee | 410 | static void netxen_init_msix_entries(struct netxen_adapter *adapter, int count) |
2956640d DP |
411 | { |
412 | int i; | |
413 | ||
be339aee | 414 | for (i = 0; i < count; i++) |
2956640d DP |
415 | adapter->msix_entries[i].entry = i; |
416 | } | |
417 | ||
9dc28efe DP |
418 | static int |
419 | netxen_read_mac_addr(struct netxen_adapter *adapter) | |
420 | { | |
421 | int i; | |
422 | unsigned char *p; | |
423 | __le64 mac_addr; | |
9dc28efe DP |
424 | struct net_device *netdev = adapter->netdev; |
425 | struct pci_dev *pdev = adapter->pdev; | |
426 | ||
9dc28efe DP |
427 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { |
428 | if (netxen_p3_get_mac_addr(adapter, &mac_addr) != 0) | |
429 | return -EIO; | |
430 | } else { | |
431 | if (netxen_get_flash_mac_addr(adapter, &mac_addr) != 0) | |
432 | return -EIO; | |
433 | } | |
434 | ||
435 | p = (unsigned char *)&mac_addr; | |
436 | for (i = 0; i < 6; i++) | |
437 | netdev->dev_addr[i] = *(p + 5 - i); | |
438 | ||
439 | memcpy(netdev->perm_addr, netdev->dev_addr, netdev->addr_len); | |
440 | ||
441 | /* set station address */ | |
442 | ||
e174961c JB |
443 | if (!is_valid_ether_addr(netdev->perm_addr)) |
444 | dev_warn(&pdev->dev, "Bad MAC address %pM.\n", netdev->dev_addr); | |
9dc28efe DP |
445 | |
446 | return 0; | |
447 | } | |
448 | ||
3d0a3cc9 DP |
449 | int netxen_nic_set_mac(struct net_device *netdev, void *p) |
450 | { | |
451 | struct netxen_adapter *adapter = netdev_priv(netdev); | |
452 | struct sockaddr *addr = p; | |
453 | ||
454 | if (!is_valid_ether_addr(addr->sa_data)) | |
455 | return -EINVAL; | |
456 | ||
457 | if (netif_running(netdev)) { | |
458 | netif_device_detach(netdev); | |
459 | netxen_napi_disable(adapter); | |
460 | } | |
461 | ||
462 | memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); | |
463 | adapter->macaddr_set(adapter, addr->sa_data); | |
464 | ||
465 | if (netif_running(netdev)) { | |
466 | netif_device_attach(netdev); | |
467 | netxen_napi_enable(adapter); | |
468 | } | |
469 | return 0; | |
470 | } | |
471 | ||
1abd266f SH |
472 | static void netxen_set_multicast_list(struct net_device *dev) |
473 | { | |
474 | struct netxen_adapter *adapter = netdev_priv(dev); | |
475 | ||
3d0a3cc9 | 476 | adapter->set_multi(dev); |
1abd266f SH |
477 | } |
478 | ||
479 | static const struct net_device_ops netxen_netdev_ops = { | |
480 | .ndo_open = netxen_nic_open, | |
481 | .ndo_stop = netxen_nic_close, | |
482 | .ndo_start_xmit = netxen_nic_xmit_frame, | |
483 | .ndo_get_stats = netxen_nic_get_stats, | |
484 | .ndo_validate_addr = eth_validate_addr, | |
485 | .ndo_set_multicast_list = netxen_set_multicast_list, | |
486 | .ndo_set_mac_address = netxen_nic_set_mac, | |
487 | .ndo_change_mtu = netxen_nic_change_mtu, | |
488 | .ndo_tx_timeout = netxen_tx_timeout, | |
489 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
490 | .ndo_poll_controller = netxen_nic_poll_controller, | |
491 | #endif | |
492 | }; | |
493 | ||
97daee83 DP |
494 | static void |
495 | netxen_setup_intr(struct netxen_adapter *adapter) | |
496 | { | |
497 | struct netxen_legacy_intr_set *legacy_intrp; | |
498 | struct pci_dev *pdev = adapter->pdev; | |
be339aee DP |
499 | int err, num_msix; |
500 | ||
501 | if (adapter->rss_supported) { | |
502 | num_msix = (num_online_cpus() >= MSIX_ENTRIES_PER_ADAPTER) ? | |
503 | MSIX_ENTRIES_PER_ADAPTER : 2; | |
504 | } else | |
505 | num_msix = 1; | |
506 | ||
507 | adapter->max_sds_rings = 1; | |
97daee83 DP |
508 | |
509 | adapter->flags &= ~(NETXEN_NIC_MSI_ENABLED | NETXEN_NIC_MSIX_ENABLED); | |
97daee83 DP |
510 | |
511 | if (adapter->ahw.revision_id >= NX_P3_B0) | |
512 | legacy_intrp = &legacy_intr[adapter->ahw.pci_func]; | |
513 | else | |
514 | legacy_intrp = &legacy_intr[0]; | |
195c5f98 AKS |
515 | |
516 | adapter->int_vec_bit = legacy_intrp->int_vec_bit; | |
517 | adapter->tgt_status_reg = netxen_get_ioaddr(adapter, | |
518 | legacy_intrp->tgt_status_reg); | |
519 | adapter->tgt_mask_reg = netxen_get_ioaddr(adapter, | |
520 | legacy_intrp->tgt_mask_reg); | |
521 | adapter->pci_int_reg = netxen_get_ioaddr(adapter, | |
522 | legacy_intrp->pci_int_reg); | |
523 | adapter->isr_int_vec = netxen_get_ioaddr(adapter, ISR_INT_VECTOR); | |
524 | ||
525 | if (adapter->ahw.revision_id >= NX_P3_B1) | |
526 | adapter->crb_int_state_reg = netxen_get_ioaddr(adapter, | |
527 | ISR_INT_STATE_REG); | |
528 | else | |
529 | adapter->crb_int_state_reg = netxen_get_ioaddr(adapter, | |
530 | CRB_INT_VECTOR); | |
97daee83 DP |
531 | |
532 | netxen_set_msix_bit(pdev, 0); | |
533 | ||
534 | if (adapter->msix_supported) { | |
535 | ||
be339aee DP |
536 | netxen_init_msix_entries(adapter, num_msix); |
537 | err = pci_enable_msix(pdev, adapter->msix_entries, num_msix); | |
538 | if (err == 0) { | |
539 | adapter->flags |= NETXEN_NIC_MSIX_ENABLED; | |
540 | netxen_set_msix_bit(pdev, 1); | |
97daee83 | 541 | |
be339aee DP |
542 | if (adapter->rss_supported) |
543 | adapter->max_sds_rings = num_msix; | |
97daee83 | 544 | |
be339aee DP |
545 | dev_info(&pdev->dev, "using msi-x interrupts\n"); |
546 | return; | |
547 | } | |
548 | ||
549 | if (err > 0) | |
550 | pci_disable_msix(pdev); | |
551 | ||
552 | /* fall through for msi */ | |
97daee83 | 553 | } |
be339aee DP |
554 | |
555 | if (use_msi && !pci_enable_msi(pdev)) { | |
556 | adapter->flags |= NETXEN_NIC_MSI_ENABLED; | |
195c5f98 AKS |
557 | adapter->tgt_status_reg = netxen_get_ioaddr(adapter, |
558 | msi_tgt_status[adapter->ahw.pci_func]); | |
be339aee | 559 | dev_info(&pdev->dev, "using msi interrupts\n"); |
f67f3408 | 560 | adapter->msix_entries[0].vector = pdev->irq; |
be339aee DP |
561 | return; |
562 | } | |
563 | ||
564 | dev_info(&pdev->dev, "using legacy interrupts\n"); | |
565 | adapter->msix_entries[0].vector = pdev->irq; | |
97daee83 DP |
566 | } |
567 | ||
568 | static void | |
569 | netxen_teardown_intr(struct netxen_adapter *adapter) | |
570 | { | |
571 | if (adapter->flags & NETXEN_NIC_MSIX_ENABLED) | |
572 | pci_disable_msix(adapter->pdev); | |
573 | if (adapter->flags & NETXEN_NIC_MSI_ENABLED) | |
574 | pci_disable_msi(adapter->pdev); | |
575 | } | |
576 | ||
577 | static void | |
578 | netxen_cleanup_pci_map(struct netxen_adapter *adapter) | |
579 | { | |
580 | if (adapter->ahw.db_base != NULL) | |
581 | iounmap(adapter->ahw.db_base); | |
582 | if (adapter->ahw.pci_base0 != NULL) | |
583 | iounmap(adapter->ahw.pci_base0); | |
584 | if (adapter->ahw.pci_base1 != NULL) | |
585 | iounmap(adapter->ahw.pci_base1); | |
586 | if (adapter->ahw.pci_base2 != NULL) | |
587 | iounmap(adapter->ahw.pci_base2); | |
588 | } | |
589 | ||
590 | static int | |
591 | netxen_setup_pci_map(struct netxen_adapter *adapter) | |
592 | { | |
593 | void __iomem *mem_ptr0 = NULL; | |
594 | void __iomem *mem_ptr1 = NULL; | |
595 | void __iomem *mem_ptr2 = NULL; | |
596 | void __iomem *db_ptr = NULL; | |
597 | ||
71fb62fb DP |
598 | resource_size_t mem_base, db_base; |
599 | unsigned long mem_len, db_len = 0, pci_len0 = 0; | |
97daee83 DP |
600 | |
601 | struct pci_dev *pdev = adapter->pdev; | |
602 | int pci_func = adapter->ahw.pci_func; | |
603 | ||
604 | int err = 0; | |
605 | ||
606 | /* | |
607 | * Set the CRB window to invalid. If any register in window 0 is | |
608 | * accessed it should set the window to 0 and then reset it to 1. | |
609 | */ | |
610 | adapter->curr_window = 255; | |
611 | adapter->ahw.qdr_sn_window = -1; | |
612 | adapter->ahw.ddr_mn_window = -1; | |
613 | ||
614 | /* remap phys address */ | |
615 | mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */ | |
616 | mem_len = pci_resource_len(pdev, 0); | |
617 | pci_len0 = 0; | |
618 | ||
97daee83 DP |
619 | /* 128 Meg of memory */ |
620 | if (mem_len == NETXEN_PCI_128MB_SIZE) { | |
621 | mem_ptr0 = ioremap(mem_base, FIRST_PAGE_GROUP_SIZE); | |
622 | mem_ptr1 = ioremap(mem_base + SECOND_PAGE_GROUP_START, | |
623 | SECOND_PAGE_GROUP_SIZE); | |
624 | mem_ptr2 = ioremap(mem_base + THIRD_PAGE_GROUP_START, | |
625 | THIRD_PAGE_GROUP_SIZE); | |
97daee83 DP |
626 | } else if (mem_len == NETXEN_PCI_32MB_SIZE) { |
627 | mem_ptr1 = ioremap(mem_base, SECOND_PAGE_GROUP_SIZE); | |
628 | mem_ptr2 = ioremap(mem_base + THIRD_PAGE_GROUP_START - | |
629 | SECOND_PAGE_GROUP_START, THIRD_PAGE_GROUP_SIZE); | |
97daee83 | 630 | } else if (mem_len == NETXEN_PCI_2MB_SIZE) { |
97daee83 DP |
631 | |
632 | mem_ptr0 = pci_ioremap_bar(pdev, 0); | |
633 | if (mem_ptr0 == NULL) { | |
634 | dev_err(&pdev->dev, "failed to map PCI bar 0\n"); | |
635 | return -EIO; | |
636 | } | |
637 | pci_len0 = mem_len; | |
97daee83 DP |
638 | |
639 | adapter->ahw.ddr_mn_window = 0; | |
640 | adapter->ahw.qdr_sn_window = 0; | |
641 | ||
ea6828b8 DP |
642 | adapter->ahw.mn_win_crb = NETXEN_PCI_CRBSPACE + |
643 | 0x100000 + PCIX_MN_WINDOW + (pci_func * 0x20); | |
644 | adapter->ahw.ms_win_crb = NETXEN_PCI_CRBSPACE + | |
645 | 0x100000 + PCIX_SN_WINDOW; | |
97daee83 DP |
646 | if (pci_func < 4) |
647 | adapter->ahw.ms_win_crb += (pci_func * 0x20); | |
648 | else | |
649 | adapter->ahw.ms_win_crb += | |
650 | 0xA0 + ((pci_func - 4) * 0x10); | |
651 | } else { | |
652 | return -EIO; | |
653 | } | |
654 | ||
195c5f98 AKS |
655 | netxen_setup_hwops(adapter); |
656 | ||
97daee83 DP |
657 | dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20)); |
658 | ||
659 | adapter->ahw.pci_base0 = mem_ptr0; | |
660 | adapter->ahw.pci_len0 = pci_len0; | |
97daee83 DP |
661 | adapter->ahw.pci_base1 = mem_ptr1; |
662 | adapter->ahw.pci_base2 = mem_ptr2; | |
663 | ||
664 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) | |
665 | goto skip_doorbell; | |
666 | ||
667 | db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */ | |
668 | db_len = pci_resource_len(pdev, 4); | |
669 | ||
670 | if (db_len == 0) { | |
671 | printk(KERN_ERR "%s: doorbell is disabled\n", | |
672 | netxen_nic_driver_name); | |
673 | err = -EIO; | |
674 | goto err_out; | |
675 | } | |
676 | ||
677 | db_ptr = ioremap(db_base, NETXEN_DB_MAPSIZE_BYTES); | |
678 | if (!db_ptr) { | |
679 | printk(KERN_ERR "%s: Failed to allocate doorbell map.", | |
680 | netxen_nic_driver_name); | |
681 | err = -EIO; | |
682 | goto err_out; | |
683 | } | |
684 | ||
685 | skip_doorbell: | |
686 | adapter->ahw.db_base = db_ptr; | |
687 | adapter->ahw.db_len = db_len; | |
688 | return 0; | |
689 | ||
690 | err_out: | |
691 | netxen_cleanup_pci_map(adapter); | |
692 | return err; | |
693 | } | |
694 | ||
2b9e62ee DP |
695 | static void |
696 | netxen_check_options(struct netxen_adapter *adapter) | |
697 | { | |
698 | u32 fw_major, fw_minor, fw_build; | |
699 | char brd_name[NETXEN_MAX_SHORT_NAME]; | |
700 | char serial_num[32]; | |
701 | int i, offset, val; | |
702 | int *ptr32; | |
703 | struct pci_dev *pdev = adapter->pdev; | |
704 | ||
705 | adapter->driver_mismatch = 0; | |
706 | ||
707 | ptr32 = (int *)&serial_num; | |
708 | offset = NX_FW_SERIAL_NUM_OFFSET; | |
709 | for (i = 0; i < 8; i++) { | |
710 | if (netxen_rom_fast_read(adapter, offset, &val) == -1) { | |
711 | dev_err(&pdev->dev, "error reading board info\n"); | |
712 | adapter->driver_mismatch = 1; | |
713 | return; | |
714 | } | |
715 | ptr32[i] = cpu_to_le32(val); | |
716 | offset += sizeof(u32); | |
717 | } | |
718 | ||
719 | fw_major = NXRD32(adapter, NETXEN_FW_VERSION_MAJOR); | |
720 | fw_minor = NXRD32(adapter, NETXEN_FW_VERSION_MINOR); | |
721 | fw_build = NXRD32(adapter, NETXEN_FW_VERSION_SUB); | |
722 | ||
723 | adapter->fw_version = NETXEN_VERSION_CODE(fw_major, fw_minor, fw_build); | |
724 | ||
725 | if (adapter->portnum == 0) { | |
726 | get_brd_name_by_type(adapter->ahw.board_type, brd_name); | |
727 | ||
728 | printk(KERN_INFO "NetXen %s Board S/N %s Chip rev 0x%x\n", | |
729 | brd_name, serial_num, adapter->ahw.revision_id); | |
730 | } | |
731 | ||
732 | if (adapter->fw_version < NETXEN_VERSION_CODE(3, 4, 216)) { | |
733 | adapter->driver_mismatch = 1; | |
734 | dev_warn(&pdev->dev, "firmware version %d.%d.%d unsupported\n", | |
735 | fw_major, fw_minor, fw_build); | |
736 | return; | |
737 | } | |
738 | ||
739 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { | |
740 | i = NXRD32(adapter, NETXEN_SRE_MISC); | |
741 | adapter->ahw.cut_through = (i & 0x8000) ? 1 : 0; | |
742 | } | |
743 | ||
744 | dev_info(&pdev->dev, "firmware v%d.%d.%d [%s]\n", | |
745 | fw_major, fw_minor, fw_build, | |
746 | adapter->ahw.cut_through ? "cut-through" : "legacy"); | |
747 | ||
748 | if (adapter->fw_version >= NETXEN_VERSION_CODE(4, 0, 222)) | |
749 | adapter->capabilities = NXRD32(adapter, CRB_FW_CAPABILITIES_1); | |
750 | ||
751 | adapter->flags &= ~NETXEN_NIC_LRO_ENABLED; | |
752 | ||
753 | if (adapter->ahw.port_type == NETXEN_NIC_XGBE) { | |
754 | adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G; | |
755 | adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; | |
756 | } else if (adapter->ahw.port_type == NETXEN_NIC_GBE) { | |
757 | adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; | |
758 | adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; | |
759 | } | |
760 | ||
761 | adapter->msix_supported = 0; | |
762 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { | |
763 | adapter->msix_supported = !!use_msi_x; | |
764 | adapter->rss_supported = !!use_msi_x; | |
765 | } else if (adapter->fw_version >= NETXEN_VERSION_CODE(3, 4, 336)) { | |
766 | switch (adapter->ahw.board_type) { | |
767 | case NETXEN_BRDTYPE_P2_SB31_10G: | |
768 | case NETXEN_BRDTYPE_P2_SB31_10G_CX4: | |
769 | adapter->msix_supported = !!use_msi_x; | |
770 | adapter->rss_supported = !!use_msi_x; | |
771 | break; | |
772 | default: | |
773 | break; | |
774 | } | |
775 | } | |
776 | ||
777 | adapter->num_txd = MAX_CMD_DESCRIPTORS; | |
778 | ||
779 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { | |
780 | adapter->num_lro_rxd = MAX_LRO_RCV_DESCRIPTORS; | |
781 | adapter->max_rds_rings = 3; | |
782 | } else { | |
783 | adapter->num_lro_rxd = 0; | |
784 | adapter->max_rds_rings = 2; | |
785 | } | |
786 | } | |
787 | ||
ba599d4f | 788 | static int |
6a581e93 | 789 | netxen_start_firmware(struct netxen_adapter *adapter) |
ba599d4f DP |
790 | { |
791 | int val, err, first_boot; | |
792 | struct pci_dev *pdev = adapter->pdev; | |
793 | ||
2b9e62ee DP |
794 | /* required for NX2031 dummy dma */ |
795 | err = nx_set_dma_mask(adapter); | |
796 | if (err) | |
797 | return err; | |
798 | ||
6a581e93 | 799 | if (!netxen_can_start_firmware(adapter)) |
96f2ebd2 | 800 | goto wait_init; |
0b72e659 | 801 | |
f98a9f69 | 802 | first_boot = NXRD32(adapter, NETXEN_CAM_RAM(0x1fc)); |
ba599d4f DP |
803 | |
804 | err = netxen_check_hw_init(adapter, first_boot); | |
805 | if (err) { | |
806 | dev_err(&pdev->dev, "error in init HW init sequence\n"); | |
807 | return err; | |
808 | } | |
809 | ||
6a581e93 | 810 | netxen_request_firmware(adapter); |
f7185c71 | 811 | |
67c38fc6 | 812 | err = netxen_need_fw_reset(adapter); |
1dbc84a7 | 813 | if (err < 0) |
db4cfd8a | 814 | goto err_out; |
1dbc84a7 | 815 | if (err == 0) |
ec5c50cb | 816 | goto ready; |
67c38fc6 | 817 | |
ba599d4f | 818 | if (first_boot != 0x55555555) { |
f98a9f69 | 819 | NXWR32(adapter, CRB_CMDPEG_STATE, 0); |
ba599d4f DP |
820 | netxen_pinit_from_rom(adapter, 0); |
821 | msleep(1); | |
822 | } | |
567c6c4e | 823 | |
f98a9f69 | 824 | NXWR32(adapter, CRB_DMA_SHIFT, 0x55555555); |
6a581e93 DP |
825 | NXWR32(adapter, NETXEN_PEG_HALT_STATUS1, 0); |
826 | NXWR32(adapter, NETXEN_PEG_HALT_STATUS2, 0); | |
827 | ||
567c6c4e DP |
828 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) |
829 | netxen_set_port_mode(adapter); | |
830 | ||
db4cfd8a DP |
831 | err = netxen_load_firmware(adapter); |
832 | if (err) | |
833 | goto err_out; | |
ba599d4f | 834 | |
6a581e93 DP |
835 | netxen_release_firmware(adapter); |
836 | ||
ba599d4f DP |
837 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { |
838 | ||
839 | /* Initialize multicast addr pool owners */ | |
840 | val = 0x7654; | |
1e2d0059 | 841 | if (adapter->ahw.port_type == NETXEN_NIC_XGBE) |
ba599d4f | 842 | val |= 0x0f000000; |
f98a9f69 | 843 | NXWR32(adapter, NETXEN_MAC_ADDR_CNTL_REG, val); |
ba599d4f DP |
844 | |
845 | } | |
846 | ||
83ac51fa | 847 | err = netxen_init_dummy_dma(adapter); |
ba599d4f | 848 | if (err) |
db4cfd8a | 849 | goto err_out; |
ba599d4f DP |
850 | |
851 | /* | |
852 | * Tell the hardware our version number. | |
853 | */ | |
854 | val = (_NETXEN_NIC_LINUX_MAJOR << 16) | |
855 | | ((_NETXEN_NIC_LINUX_MINOR << 8)) | |
856 | | (_NETXEN_NIC_LINUX_SUBVERSION); | |
f98a9f69 | 857 | NXWR32(adapter, CRB_DRIVER_VERSION, val); |
ba599d4f | 858 | |
ec5c50cb | 859 | ready: |
6a581e93 DP |
860 | NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_READY); |
861 | ||
96f2ebd2 | 862 | wait_init: |
ba599d4f DP |
863 | /* Handshake with the card before we register the devices. */ |
864 | err = netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE); | |
865 | if (err) { | |
83ac51fa | 866 | netxen_free_dummy_dma(adapter); |
db4cfd8a | 867 | goto err_out; |
ba599d4f DP |
868 | } |
869 | ||
68b3cae0 DP |
870 | nx_update_dma_mask(adapter); |
871 | ||
6a581e93 | 872 | netxen_check_options(adapter); |
68b3cae0 | 873 | |
74c520da AKS |
874 | adapter->need_fw_reset = 0; |
875 | ||
ec5c50cb | 876 | /* fall through and release firmware */ |
db4cfd8a DP |
877 | |
878 | err_out: | |
879 | netxen_release_firmware(adapter); | |
880 | return err; | |
ba599d4f DP |
881 | } |
882 | ||
9f5bc7f1 DP |
883 | static int |
884 | netxen_nic_request_irq(struct netxen_adapter *adapter) | |
885 | { | |
886 | irq_handler_t handler; | |
d8b100c5 DP |
887 | struct nx_host_sds_ring *sds_ring; |
888 | int err, ring; | |
889 | ||
9f5bc7f1 DP |
890 | unsigned long flags = IRQF_SAMPLE_RANDOM; |
891 | struct net_device *netdev = adapter->netdev; | |
d8b100c5 | 892 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; |
9f5bc7f1 | 893 | |
9f5bc7f1 DP |
894 | if (adapter->flags & NETXEN_NIC_MSIX_ENABLED) |
895 | handler = netxen_msix_intr; | |
896 | else if (adapter->flags & NETXEN_NIC_MSI_ENABLED) | |
897 | handler = netxen_msi_intr; | |
898 | else { | |
899 | flags |= IRQF_SHARED; | |
900 | handler = netxen_intr; | |
901 | } | |
902 | adapter->irq = netdev->irq; | |
903 | ||
d8b100c5 DP |
904 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
905 | sds_ring = &recv_ctx->sds_rings[ring]; | |
be339aee | 906 | sprintf(sds_ring->name, "%s[%d]", netdev->name, ring); |
d8b100c5 DP |
907 | err = request_irq(sds_ring->irq, handler, |
908 | flags, sds_ring->name, sds_ring); | |
909 | if (err) | |
910 | return err; | |
911 | } | |
912 | ||
913 | return 0; | |
914 | } | |
915 | ||
916 | static void | |
917 | netxen_nic_free_irq(struct netxen_adapter *adapter) | |
918 | { | |
919 | int ring; | |
920 | struct nx_host_sds_ring *sds_ring; | |
921 | ||
922 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; | |
923 | ||
924 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
925 | sds_ring = &recv_ctx->sds_rings[ring]; | |
926 | free_irq(sds_ring->irq, sds_ring); | |
927 | } | |
9f5bc7f1 DP |
928 | } |
929 | ||
ca2ef330 DP |
930 | static void |
931 | netxen_nic_init_coalesce_defaults(struct netxen_adapter *adapter) | |
932 | { | |
933 | adapter->coal.flags = NETXEN_NIC_INTR_DEFAULT; | |
934 | adapter->coal.normal.data.rx_time_us = | |
935 | NETXEN_DEFAULT_INTR_COALESCE_RX_TIME_US; | |
936 | adapter->coal.normal.data.rx_packets = | |
937 | NETXEN_DEFAULT_INTR_COALESCE_RX_PACKETS; | |
938 | adapter->coal.normal.data.tx_time_us = | |
939 | NETXEN_DEFAULT_INTR_COALESCE_TX_TIME_US; | |
940 | adapter->coal.normal.data.tx_packets = | |
941 | NETXEN_DEFAULT_INTR_COALESCE_TX_PACKETS; | |
942 | } | |
943 | ||
9f5bc7f1 DP |
944 | static int |
945 | netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev) | |
946 | { | |
947 | int err; | |
948 | ||
db4cfd8a DP |
949 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) |
950 | return -EIO; | |
951 | ||
9f5bc7f1 DP |
952 | err = adapter->init_port(adapter, adapter->physical_port); |
953 | if (err) { | |
954 | printk(KERN_ERR "%s: Failed to initialize port %d\n", | |
955 | netxen_nic_driver_name, adapter->portnum); | |
956 | return err; | |
957 | } | |
3d0a3cc9 DP |
958 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) |
959 | adapter->macaddr_set(adapter, netdev->dev_addr); | |
9f5bc7f1 | 960 | |
3d0a3cc9 DP |
961 | adapter->set_multi(netdev); |
962 | adapter->set_mtu(adapter, netdev->mtu); | |
9f5bc7f1 DP |
963 | |
964 | adapter->ahw.linkup = 0; | |
9f5bc7f1 | 965 | |
d8b100c5 DP |
966 | if (adapter->max_sds_rings > 1) |
967 | netxen_config_rss(adapter, 1); | |
9f5bc7f1 | 968 | |
ca2ef330 DP |
969 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) |
970 | netxen_config_intr_coalesce(adapter); | |
971 | ||
1bb482f8 NK |
972 | if (adapter->capabilities & NX_FW_CAPABILITY_HW_LRO) |
973 | netxen_config_hw_lro(adapter, NETXEN_NIC_LRO_ENABLED); | |
974 | ||
b2af9cb0 DP |
975 | netxen_napi_enable(adapter); |
976 | ||
5103c9f7 | 977 | if (adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION) |
3bf26ce3 | 978 | netxen_linkevent_request(adapter, 1); |
3d0a3cc9 DP |
979 | else |
980 | netxen_nic_set_link_parameters(adapter); | |
981 | ||
6a581e93 | 982 | set_bit(__NX_DEV_UP, &adapter->state); |
9f5bc7f1 DP |
983 | return 0; |
984 | } | |
985 | ||
986 | static void | |
987 | netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev) | |
988 | { | |
db4cfd8a DP |
989 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) |
990 | return; | |
991 | ||
6a581e93 DP |
992 | clear_bit(__NX_DEV_UP, &adapter->state); |
993 | ||
b2af9cb0 | 994 | spin_lock(&adapter->tx_clean_lock); |
9f5bc7f1 | 995 | netif_carrier_off(netdev); |
b2af9cb0 | 996 | netif_tx_disable(netdev); |
9f5bc7f1 DP |
997 | |
998 | if (adapter->stop_port) | |
999 | adapter->stop_port(adapter); | |
1000 | ||
5cf4d323 DP |
1001 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) |
1002 | netxen_p3_free_mac_list(adapter); | |
1003 | ||
22b5794b AKS |
1004 | adapter->set_promisc(adapter, NETXEN_NIU_NON_PROMISC_MODE); |
1005 | ||
be339aee DP |
1006 | netxen_napi_disable(adapter); |
1007 | ||
9f5bc7f1 | 1008 | netxen_release_tx_buffers(adapter); |
b2af9cb0 | 1009 | spin_unlock(&adapter->tx_clean_lock); |
9f5bc7f1 DP |
1010 | } |
1011 | ||
1012 | ||
1013 | static int | |
1014 | netxen_nic_attach(struct netxen_adapter *adapter) | |
1015 | { | |
1016 | struct net_device *netdev = adapter->netdev; | |
1017 | struct pci_dev *pdev = adapter->pdev; | |
becf46a0 | 1018 | int err, ring; |
d8b100c5 | 1019 | struct nx_host_rds_ring *rds_ring; |
d877f1e3 | 1020 | struct nx_host_tx_ring *tx_ring; |
9f5bc7f1 | 1021 | |
7042cd8f AKS |
1022 | if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) |
1023 | return 0; | |
1024 | ||
9f5bc7f1 | 1025 | err = netxen_init_firmware(adapter); |
232e7d68 DP |
1026 | if (err) |
1027 | return err; | |
1028 | ||
1029 | err = netxen_napi_add(adapter, netdev); | |
1030 | if (err) | |
1031 | return err; | |
9f5bc7f1 | 1032 | |
9f5bc7f1 DP |
1033 | err = netxen_alloc_sw_resources(adapter); |
1034 | if (err) { | |
1035 | printk(KERN_ERR "%s: Error in setting sw resources\n", | |
1036 | netdev->name); | |
1037 | return err; | |
1038 | } | |
1039 | ||
9f5bc7f1 DP |
1040 | err = netxen_alloc_hw_resources(adapter); |
1041 | if (err) { | |
1042 | printk(KERN_ERR "%s: Error in setting hw resources\n", | |
1043 | netdev->name); | |
1044 | goto err_out_free_sw; | |
1045 | } | |
1046 | ||
4f96b988 | 1047 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { |
4ea528a1 | 1048 | tx_ring = adapter->tx_ring; |
195c5f98 AKS |
1049 | tx_ring->crb_cmd_producer = netxen_get_ioaddr(adapter, |
1050 | crb_cmd_producer[adapter->portnum]); | |
1051 | tx_ring->crb_cmd_consumer = netxen_get_ioaddr(adapter, | |
1052 | crb_cmd_consumer[adapter->portnum]); | |
9f5bc7f1 | 1053 | |
cb2107be DP |
1054 | tx_ring->producer = 0; |
1055 | tx_ring->sw_consumer = 0; | |
1056 | ||
1057 | netxen_nic_update_cmd_producer(adapter, tx_ring); | |
1058 | netxen_nic_update_cmd_consumer(adapter, tx_ring); | |
9f5bc7f1 DP |
1059 | } |
1060 | ||
d8b100c5 DP |
1061 | for (ring = 0; ring < adapter->max_rds_rings; ring++) { |
1062 | rds_ring = &adapter->recv_ctx.rds_rings[ring]; | |
1063 | netxen_post_rx_buffers(adapter, ring, rds_ring); | |
1064 | } | |
9f5bc7f1 DP |
1065 | |
1066 | err = netxen_nic_request_irq(adapter); | |
1067 | if (err) { | |
1068 | dev_err(&pdev->dev, "%s: failed to setup interrupt\n", | |
1069 | netdev->name); | |
1070 | goto err_out_free_rxbuf; | |
1071 | } | |
1072 | ||
ca2ef330 DP |
1073 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) |
1074 | netxen_nic_init_coalesce_defaults(adapter); | |
1075 | ||
fa3ce355 NK |
1076 | netxen_create_sysfs_entries(adapter); |
1077 | ||
9f5bc7f1 DP |
1078 | adapter->is_up = NETXEN_ADAPTER_UP_MAGIC; |
1079 | return 0; | |
1080 | ||
1081 | err_out_free_rxbuf: | |
1082 | netxen_release_rx_buffers(adapter); | |
1083 | netxen_free_hw_resources(adapter); | |
1084 | err_out_free_sw: | |
1085 | netxen_free_sw_resources(adapter); | |
1086 | return err; | |
1087 | } | |
1088 | ||
1089 | static void | |
1090 | netxen_nic_detach(struct netxen_adapter *adapter) | |
1091 | { | |
7042cd8f AKS |
1092 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) |
1093 | return; | |
1094 | ||
fa3ce355 NK |
1095 | netxen_remove_sysfs_entries(adapter); |
1096 | ||
9f5bc7f1 | 1097 | netxen_free_hw_resources(adapter); |
cf981ffb | 1098 | netxen_release_rx_buffers(adapter); |
be339aee | 1099 | netxen_nic_free_irq(adapter); |
232e7d68 | 1100 | netxen_napi_del(adapter); |
9f5bc7f1 DP |
1101 | netxen_free_sw_resources(adapter); |
1102 | ||
1103 | adapter->is_up = 0; | |
1104 | } | |
1105 | ||
7042cd8f AKS |
1106 | int |
1107 | netxen_nic_reset_context(struct netxen_adapter *adapter) | |
1108 | { | |
1109 | int err = 0; | |
1110 | struct net_device *netdev = adapter->netdev; | |
1111 | ||
6a581e93 DP |
1112 | if (test_and_set_bit(__NX_RESETTING, &adapter->state)) |
1113 | return -EBUSY; | |
1114 | ||
7042cd8f AKS |
1115 | if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) { |
1116 | ||
6a581e93 DP |
1117 | netif_device_detach(netdev); |
1118 | ||
7042cd8f AKS |
1119 | if (netif_running(netdev)) |
1120 | netxen_nic_down(adapter, netdev); | |
1121 | ||
1122 | netxen_nic_detach(adapter); | |
1123 | ||
6a581e93 DP |
1124 | if (netif_running(netdev)) { |
1125 | err = netxen_nic_attach(adapter); | |
1126 | if (!err) | |
1127 | err = netxen_nic_up(adapter, netdev); | |
7042cd8f | 1128 | |
6a581e93 DP |
1129 | if (err) |
1130 | goto done; | |
1131 | } | |
1132 | ||
1133 | netif_device_attach(netdev); | |
7042cd8f | 1134 | } |
6a581e93 | 1135 | |
7042cd8f | 1136 | done: |
6a581e93 | 1137 | clear_bit(__NX_RESETTING, &adapter->state); |
7042cd8f AKS |
1138 | return err; |
1139 | } | |
1140 | ||
f17443f4 DP |
1141 | static int |
1142 | netxen_setup_netdev(struct netxen_adapter *adapter, | |
1143 | struct net_device *netdev) | |
1144 | { | |
1145 | int err = 0; | |
1146 | struct pci_dev *pdev = adapter->pdev; | |
1147 | ||
1148 | adapter->rx_csum = 1; | |
1149 | adapter->mc_enabled = 0; | |
1150 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) | |
1151 | adapter->max_mc_count = 38; | |
1152 | else | |
1153 | adapter->max_mc_count = 16; | |
1154 | ||
1155 | netdev->netdev_ops = &netxen_netdev_ops; | |
1156 | netdev->watchdog_timeo = 2*HZ; | |
1157 | ||
1158 | netxen_nic_change_mtu(netdev, netdev->mtu); | |
1159 | ||
1160 | SET_ETHTOOL_OPS(netdev, &netxen_nic_ethtool_ops); | |
1161 | ||
1162 | netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO); | |
1163 | netdev->features |= (NETIF_F_GRO); | |
1164 | netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO); | |
1165 | ||
1166 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { | |
1167 | netdev->features |= (NETIF_F_IPV6_CSUM | NETIF_F_TSO6); | |
1168 | netdev->vlan_features |= (NETIF_F_IPV6_CSUM | NETIF_F_TSO6); | |
1169 | } | |
1170 | ||
1171 | if (adapter->pci_using_dac) { | |
1172 | netdev->features |= NETIF_F_HIGHDMA; | |
1173 | netdev->vlan_features |= NETIF_F_HIGHDMA; | |
1174 | } | |
1175 | ||
028afe71 DP |
1176 | if (adapter->capabilities & NX_FW_CAPABILITY_FVLANTX) |
1177 | netdev->features |= (NETIF_F_HW_VLAN_TX); | |
1178 | ||
1bb482f8 NK |
1179 | if (adapter->capabilities & NX_FW_CAPABILITY_HW_LRO) |
1180 | netdev->features |= NETIF_F_LRO; | |
1181 | ||
f17443f4 DP |
1182 | netdev->irq = adapter->msix_entries[0].vector; |
1183 | ||
74c520da | 1184 | INIT_WORK(&adapter->tx_timeout_task, netxen_tx_timeout_task); |
f17443f4 DP |
1185 | |
1186 | if (netxen_read_mac_addr(adapter)) | |
1187 | dev_warn(&pdev->dev, "failed to read mac addr\n"); | |
1188 | ||
1189 | netif_carrier_off(netdev); | |
1190 | netif_stop_queue(netdev); | |
1191 | ||
1192 | err = register_netdev(netdev); | |
1193 | if (err) { | |
1194 | dev_err(&pdev->dev, "failed to register net device\n"); | |
1195 | return err; | |
1196 | } | |
1197 | ||
1198 | return 0; | |
1199 | } | |
1200 | ||
3d396eb1 AK |
1201 | static int __devinit |
1202 | netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) | |
1203 | { | |
1204 | struct net_device *netdev = NULL; | |
1205 | struct netxen_adapter *adapter = NULL; | |
2956640d | 1206 | int i = 0, err; |
3176ff3e | 1207 | int pci_func_id = PCI_FUNC(pdev->devfn); |
2956640d | 1208 | uint8_t revision_id; |
3d396eb1 | 1209 | |
3176ff3e | 1210 | if (pdev->class != 0x020000) { |
dcd56fdb | 1211 | printk(KERN_DEBUG "NetXen function %d, class %x will not " |
3176ff3e | 1212 | "be enabled.\n",pci_func_id, pdev->class); |
ed25ffa1 AK |
1213 | return -ENODEV; |
1214 | } | |
2956640d | 1215 | |
11d89d63 DP |
1216 | if (pdev->revision >= NX_P3_A0 && pdev->revision < NX_P3_B1) { |
1217 | printk(KERN_WARNING "NetXen chip revisions between 0x%x-0x%x" | |
1218 | "will not be enabled.\n", | |
1219 | NX_P3_A0, NX_P3_B1); | |
1220 | return -ENODEV; | |
1221 | } | |
1222 | ||
3d396eb1 AK |
1223 | if ((err = pci_enable_device(pdev))) |
1224 | return err; | |
2956640d | 1225 | |
3d396eb1 AK |
1226 | if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { |
1227 | err = -ENODEV; | |
1228 | goto err_out_disable_pdev; | |
1229 | } | |
1230 | ||
1231 | if ((err = pci_request_regions(pdev, netxen_nic_driver_name))) | |
1232 | goto err_out_disable_pdev; | |
1233 | ||
1234 | pci_set_master(pdev); | |
3176ff3e MT |
1235 | |
1236 | netdev = alloc_etherdev(sizeof(struct netxen_adapter)); | |
1237 | if(!netdev) { | |
f17443f4 DP |
1238 | dev_err(&pdev->dev, "failed to allocate net_device\n"); |
1239 | err = -ENOMEM; | |
3176ff3e MT |
1240 | goto err_out_free_res; |
1241 | } | |
1242 | ||
3176ff3e MT |
1243 | SET_NETDEV_DEV(netdev, &pdev->dev); |
1244 | ||
4cf1653a | 1245 | adapter = netdev_priv(netdev); |
2956640d DP |
1246 | adapter->netdev = netdev; |
1247 | adapter->pdev = pdev; | |
13ba9c77 | 1248 | adapter->ahw.pci_func = pci_func_id; |
2956640d DP |
1249 | |
1250 | revision_id = pdev->revision; | |
1251 | adapter->ahw.revision_id = revision_id; | |
1252 | ||
3ce06a32 | 1253 | rwlock_init(&adapter->adapter_lock); |
d8b100c5 | 1254 | spin_lock_init(&adapter->tx_clean_lock); |
5cf4d323 | 1255 | INIT_LIST_HEAD(&adapter->mac_list); |
3ce06a32 | 1256 | |
97daee83 DP |
1257 | err = netxen_setup_pci_map(adapter); |
1258 | if (err) | |
6c80b18d | 1259 | goto err_out_free_netdev; |
3d396eb1 | 1260 | |
2d1a3bbd | 1261 | /* This will be reset for mezz cards */ |
3176ff3e | 1262 | adapter->portnum = pci_func_id; |
3176ff3e | 1263 | |
f17443f4 DP |
1264 | err = netxen_nic_get_board_info(adapter); |
1265 | if (err) { | |
1266 | dev_err(&pdev->dev, "Error getting board config info.\n"); | |
dcd56fdb DP |
1267 | goto err_out_iounmap; |
1268 | } | |
6c80b18d | 1269 | |
13ba9c77 | 1270 | /* Mezz cards have PCI function 0,2,3 enabled */ |
1e2d0059 | 1271 | switch (adapter->ahw.board_type) { |
dc515f2e DP |
1272 | case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ: |
1273 | case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ: | |
1274 | if (pci_func_id >= 2) | |
13ba9c77 | 1275 | adapter->portnum = pci_func_id - 2; |
dc515f2e DP |
1276 | break; |
1277 | default: | |
1278 | break; | |
1279 | } | |
13ba9c77 | 1280 | |
6a581e93 | 1281 | err = netxen_start_firmware(adapter); |
0b72e659 DP |
1282 | if (err) |
1283 | goto err_out_iounmap; | |
f17443f4 | 1284 | |
3d396eb1 | 1285 | /* |
6c80b18d | 1286 | * See if the firmware gave us a virtual-physical port mapping. |
3d396eb1 | 1287 | */ |
dcd56fdb | 1288 | adapter->physical_port = adapter->portnum; |
4f96b988 | 1289 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { |
f98a9f69 | 1290 | i = NXRD32(adapter, CRB_V2P(adapter->portnum)); |
044fad0d DP |
1291 | if (i != 0x55555555) |
1292 | adapter->physical_port = i; | |
1293 | } | |
6c80b18d | 1294 | |
6a581e93 | 1295 | netxen_nic_clear_stats(adapter); |
2956640d | 1296 | |
97daee83 | 1297 | netxen_setup_intr(adapter); |
2956640d | 1298 | |
f17443f4 | 1299 | err = netxen_setup_netdev(adapter, netdev); |
9dc28efe | 1300 | if (err) |
2956640d | 1301 | goto err_out_disable_msi; |
6c80b18d MT |
1302 | |
1303 | pci_set_drvdata(pdev, adapter); | |
3d396eb1 | 1304 | |
6a581e93 DP |
1305 | netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY); |
1306 | ||
1e2d0059 | 1307 | switch (adapter->ahw.port_type) { |
2956640d DP |
1308 | case NETXEN_NIC_GBE: |
1309 | dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", | |
1310 | adapter->netdev->name); | |
1311 | break; | |
1312 | case NETXEN_NIC_XGBE: | |
1313 | dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", | |
1314 | adapter->netdev->name); | |
1315 | break; | |
3d396eb1 | 1316 | } |
3d396eb1 | 1317 | |
2956640d DP |
1318 | return 0; |
1319 | ||
1320 | err_out_disable_msi: | |
97daee83 | 1321 | netxen_teardown_intr(adapter); |
6c80b18d | 1322 | |
83ac51fa | 1323 | netxen_free_dummy_dma(adapter); |
3d396eb1 | 1324 | |
6a581e93 DP |
1325 | nx_decr_dev_ref_cnt(adapter); |
1326 | ||
2956640d | 1327 | err_out_iounmap: |
97daee83 | 1328 | netxen_cleanup_pci_map(adapter); |
cb8011ad | 1329 | |
6c80b18d MT |
1330 | err_out_free_netdev: |
1331 | free_netdev(netdev); | |
1332 | ||
1333 | err_out_free_res: | |
3d396eb1 | 1334 | pci_release_regions(pdev); |
6c80b18d MT |
1335 | |
1336 | err_out_disable_pdev: | |
2956640d | 1337 | pci_set_drvdata(pdev, NULL); |
3d396eb1 AK |
1338 | pci_disable_device(pdev); |
1339 | return err; | |
1340 | } | |
1341 | ||
1342 | static void __devexit netxen_nic_remove(struct pci_dev *pdev) | |
1343 | { | |
1344 | struct netxen_adapter *adapter; | |
3176ff3e | 1345 | struct net_device *netdev; |
3d396eb1 | 1346 | |
6c80b18d | 1347 | adapter = pci_get_drvdata(pdev); |
3d396eb1 AK |
1348 | if (adapter == NULL) |
1349 | return; | |
1350 | ||
6c80b18d MT |
1351 | netdev = adapter->netdev; |
1352 | ||
6a581e93 DP |
1353 | netxen_cancel_fw_work(adapter); |
1354 | ||
96acb6eb DP |
1355 | unregister_netdev(netdev); |
1356 | ||
e424fa9d AKS |
1357 | cancel_work_sync(&adapter->tx_timeout_task); |
1358 | ||
7042cd8f | 1359 | netxen_nic_detach(adapter); |
3d396eb1 | 1360 | |
6a581e93 DP |
1361 | nx_decr_dev_ref_cnt(adapter); |
1362 | ||
439b454e | 1363 | if (adapter->portnum == 0) |
83ac51fa | 1364 | netxen_free_dummy_dma(adapter); |
96acb6eb | 1365 | |
6a581e93 DP |
1366 | clear_bit(__NX_RESETTING, &adapter->state); |
1367 | ||
97daee83 | 1368 | netxen_teardown_intr(adapter); |
3052246c | 1369 | |
97daee83 | 1370 | netxen_cleanup_pci_map(adapter); |
595e3fb8 | 1371 | |
f7185c71 DP |
1372 | netxen_release_firmware(adapter); |
1373 | ||
595e3fb8 | 1374 | pci_release_regions(pdev); |
3052246c | 1375 | pci_disable_device(pdev); |
595e3fb8 MT |
1376 | pci_set_drvdata(pdev, NULL); |
1377 | ||
6c80b18d | 1378 | free_netdev(netdev); |
3d396eb1 | 1379 | } |
22b5794b | 1380 | static int __netxen_nic_shutdown(struct pci_dev *pdev) |
0b72e659 | 1381 | { |
0b72e659 DP |
1382 | struct netxen_adapter *adapter = pci_get_drvdata(pdev); |
1383 | struct net_device *netdev = adapter->netdev; | |
22b5794b | 1384 | int retval; |
0b72e659 DP |
1385 | |
1386 | netif_device_detach(netdev); | |
1387 | ||
6a581e93 DP |
1388 | netxen_cancel_fw_work(adapter); |
1389 | ||
0b72e659 DP |
1390 | if (netif_running(netdev)) |
1391 | netxen_nic_down(adapter, netdev); | |
1392 | ||
e424fa9d AKS |
1393 | cancel_work_sync(&adapter->tx_timeout_task); |
1394 | ||
7042cd8f | 1395 | netxen_nic_detach(adapter); |
0b72e659 | 1396 | |
22b5794b AKS |
1397 | if (adapter->portnum == 0) |
1398 | netxen_free_dummy_dma(adapter); | |
1399 | ||
6a581e93 DP |
1400 | nx_decr_dev_ref_cnt(adapter); |
1401 | ||
1402 | clear_bit(__NX_RESETTING, &adapter->state); | |
1403 | ||
22b5794b AKS |
1404 | retval = pci_save_state(pdev); |
1405 | if (retval) | |
1406 | return retval; | |
0b72e659 DP |
1407 | |
1408 | if (netxen_nic_wol_supported(adapter)) { | |
1409 | pci_enable_wake(pdev, PCI_D3cold, 1); | |
1410 | pci_enable_wake(pdev, PCI_D3hot, 1); | |
1411 | } | |
1412 | ||
1413 | pci_disable_device(pdev); | |
0b72e659 DP |
1414 | |
1415 | return 0; | |
1416 | } | |
22b5794b AKS |
1417 | static void netxen_nic_shutdown(struct pci_dev *pdev) |
1418 | { | |
1419 | if (__netxen_nic_shutdown(pdev)) | |
1420 | return; | |
1421 | } | |
1422 | #ifdef CONFIG_PM | |
1423 | static int | |
1424 | netxen_nic_suspend(struct pci_dev *pdev, pm_message_t state) | |
1425 | { | |
1426 | int retval; | |
1427 | ||
1428 | retval = __netxen_nic_shutdown(pdev); | |
1429 | if (retval) | |
1430 | return retval; | |
1431 | ||
1432 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); | |
1433 | return 0; | |
1434 | } | |
0b72e659 DP |
1435 | |
1436 | static int | |
1437 | netxen_nic_resume(struct pci_dev *pdev) | |
1438 | { | |
1439 | struct netxen_adapter *adapter = pci_get_drvdata(pdev); | |
1440 | struct net_device *netdev = adapter->netdev; | |
1441 | int err; | |
1442 | ||
1443 | pci_set_power_state(pdev, PCI_D0); | |
1444 | pci_restore_state(pdev); | |
1445 | ||
1446 | err = pci_enable_device(pdev); | |
1447 | if (err) | |
1448 | return err; | |
1449 | ||
1450 | adapter->curr_window = 255; | |
1451 | ||
6a581e93 | 1452 | err = netxen_start_firmware(adapter); |
0b72e659 DP |
1453 | if (err) { |
1454 | dev_err(&pdev->dev, "failed to start firmware\n"); | |
1455 | return err; | |
1456 | } | |
1457 | ||
1458 | if (netif_running(netdev)) { | |
1459 | err = netxen_nic_attach(adapter); | |
1460 | if (err) | |
6a581e93 | 1461 | goto err_out; |
0b72e659 DP |
1462 | |
1463 | err = netxen_nic_up(adapter, netdev); | |
1464 | if (err) | |
6a581e93 | 1465 | goto err_out_detach; |
0b72e659 DP |
1466 | |
1467 | netif_device_attach(netdev); | |
d0725e4d AKS |
1468 | |
1469 | netxen_config_indev_addr(netdev, NETDEV_UP); | |
0b72e659 DP |
1470 | } |
1471 | ||
6a581e93 | 1472 | netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY); |
07653aa3 | 1473 | return 0; |
6a581e93 DP |
1474 | |
1475 | err_out_detach: | |
1476 | netxen_nic_detach(adapter); | |
1477 | err_out: | |
1478 | nx_decr_dev_ref_cnt(adapter); | |
1479 | return err; | |
0b72e659 | 1480 | } |
01542cd1 | 1481 | #endif |
0b72e659 | 1482 | |
3d396eb1 AK |
1483 | static int netxen_nic_open(struct net_device *netdev) |
1484 | { | |
4cf1653a | 1485 | struct netxen_adapter *adapter = netdev_priv(netdev); |
3d396eb1 | 1486 | int err = 0; |
3d396eb1 | 1487 | |
dcd56fdb DP |
1488 | if (adapter->driver_mismatch) |
1489 | return -EIO; | |
1490 | ||
7042cd8f AKS |
1491 | err = netxen_nic_attach(adapter); |
1492 | if (err) | |
1493 | return err; | |
2956640d | 1494 | |
9f5bc7f1 DP |
1495 | err = netxen_nic_up(adapter, netdev); |
1496 | if (err) | |
1497 | goto err_out; | |
05aaa02d | 1498 | |
dcd56fdb | 1499 | netif_start_queue(netdev); |
3d396eb1 AK |
1500 | |
1501 | return 0; | |
2956640d | 1502 | |
9f5bc7f1 DP |
1503 | err_out: |
1504 | netxen_nic_detach(adapter); | |
2956640d | 1505 | return err; |
3d396eb1 AK |
1506 | } |
1507 | ||
1508 | /* | |
1509 | * netxen_nic_close - Disables a network interface entry point | |
1510 | */ | |
1511 | static int netxen_nic_close(struct net_device *netdev) | |
1512 | { | |
3176ff3e | 1513 | struct netxen_adapter *adapter = netdev_priv(netdev); |
3d396eb1 | 1514 | |
9f5bc7f1 | 1515 | netxen_nic_down(adapter, netdev); |
3d396eb1 AK |
1516 | return 0; |
1517 | } | |
1518 | ||
1bcfd790 DP |
1519 | static void |
1520 | netxen_tso_check(struct net_device *netdev, | |
1521 | struct nx_host_tx_ring *tx_ring, | |
1522 | struct cmd_desc_type0 *first_desc, | |
1523 | struct sk_buff *skb) | |
cd1f8160 | 1524 | { |
391587c3 | 1525 | u8 opcode = TX_ETHER_PKT; |
cdff1036 | 1526 | __be16 protocol = skb->protocol; |
028afe71 | 1527 | u16 flags = 0, vid = 0; |
1bcfd790 | 1528 | u32 producer; |
028afe71 | 1529 | int copied, offset, copy_len, hdr_len = 0, tso = 0, vlan_oob = 0; |
1bcfd790 | 1530 | struct cmd_desc_type0 *hwdesc; |
028afe71 | 1531 | struct vlan_ethhdr *vh; |
cdff1036 | 1532 | |
09640e63 | 1533 | if (protocol == cpu_to_be16(ETH_P_8021Q)) { |
028afe71 DP |
1534 | |
1535 | vh = (struct vlan_ethhdr *)skb->data; | |
cdff1036 DP |
1536 | protocol = vh->h_vlan_encapsulated_proto; |
1537 | flags = FLAGS_VLAN_TAGGED; | |
028afe71 DP |
1538 | |
1539 | } else if (vlan_tx_tag_present(skb)) { | |
1540 | ||
1541 | flags = FLAGS_VLAN_OOB; | |
1542 | vid = vlan_tx_tag_get(skb); | |
1543 | netxen_set_tx_vlan_tci(first_desc, vid); | |
1544 | vlan_oob = 1; | |
cdff1036 | 1545 | } |
cd1f8160 | 1546 | |
391587c3 DP |
1547 | if ((netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) && |
1548 | skb_shinfo(skb)->gso_size > 0) { | |
1549 | ||
1bcfd790 DP |
1550 | hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); |
1551 | ||
1552 | first_desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size); | |
1553 | first_desc->total_hdr_length = hdr_len; | |
028afe71 DP |
1554 | if (vlan_oob) { |
1555 | first_desc->total_hdr_length += VLAN_HLEN; | |
1556 | first_desc->tcp_hdr_offset = VLAN_HLEN; | |
1557 | first_desc->ip_hdr_offset = VLAN_HLEN; | |
1558 | /* Only in case of TSO on vlan device */ | |
1559 | flags |= FLAGS_VLAN_TAGGED; | |
1560 | } | |
391587c3 | 1561 | |
09640e63 | 1562 | opcode = (protocol == cpu_to_be16(ETH_P_IPV6)) ? |
391587c3 | 1563 | TX_TCP_LSO6 : TX_TCP_LSO; |
1bcfd790 | 1564 | tso = 1; |
cd1f8160 DP |
1565 | |
1566 | } else if (skb->ip_summed == CHECKSUM_PARTIAL) { | |
391587c3 DP |
1567 | u8 l4proto; |
1568 | ||
09640e63 | 1569 | if (protocol == cpu_to_be16(ETH_P_IP)) { |
391587c3 DP |
1570 | l4proto = ip_hdr(skb)->protocol; |
1571 | ||
1572 | if (l4proto == IPPROTO_TCP) | |
1573 | opcode = TX_TCP_PKT; | |
1574 | else if(l4proto == IPPROTO_UDP) | |
1575 | opcode = TX_UDP_PKT; | |
09640e63 | 1576 | } else if (protocol == cpu_to_be16(ETH_P_IPV6)) { |
391587c3 DP |
1577 | l4proto = ipv6_hdr(skb)->nexthdr; |
1578 | ||
1579 | if (l4proto == IPPROTO_TCP) | |
1580 | opcode = TX_TCPV6_PKT; | |
1581 | else if(l4proto == IPPROTO_UDP) | |
1582 | opcode = TX_UDPV6_PKT; | |
1583 | } | |
cd1f8160 | 1584 | } |
028afe71 DP |
1585 | |
1586 | first_desc->tcp_hdr_offset += skb_transport_offset(skb); | |
1587 | first_desc->ip_hdr_offset += skb_network_offset(skb); | |
1bcfd790 DP |
1588 | netxen_set_tx_flags_opcode(first_desc, flags, opcode); |
1589 | ||
1590 | if (!tso) | |
1591 | return; | |
1592 | ||
1593 | /* For LSO, we need to copy the MAC/IP/TCP headers into | |
1594 | * the descriptor ring | |
1595 | */ | |
1596 | producer = tx_ring->producer; | |
1597 | copied = 0; | |
1598 | offset = 2; | |
1599 | ||
028afe71 DP |
1600 | if (vlan_oob) { |
1601 | /* Create a TSO vlan header template for firmware */ | |
1602 | ||
1603 | hwdesc = &tx_ring->desc_head[producer]; | |
1604 | tx_ring->cmd_buf_arr[producer].skb = NULL; | |
1605 | ||
1606 | copy_len = min((int)sizeof(struct cmd_desc_type0) - offset, | |
1607 | hdr_len + VLAN_HLEN); | |
1608 | ||
1609 | vh = (struct vlan_ethhdr *)((char *)hwdesc + 2); | |
1610 | skb_copy_from_linear_data(skb, vh, 12); | |
1611 | vh->h_vlan_proto = htons(ETH_P_8021Q); | |
1612 | vh->h_vlan_TCI = htons(vid); | |
1613 | skb_copy_from_linear_data_offset(skb, 12, | |
1614 | (char *)vh + 16, copy_len - 16); | |
1615 | ||
545eb370 | 1616 | copied = copy_len - VLAN_HLEN; |
028afe71 DP |
1617 | offset = 0; |
1618 | ||
1619 | producer = get_next_index(producer, tx_ring->num_desc); | |
1620 | } | |
1621 | ||
1bcfd790 DP |
1622 | while (copied < hdr_len) { |
1623 | ||
1624 | copy_len = min((int)sizeof(struct cmd_desc_type0) - offset, | |
1625 | (hdr_len - copied)); | |
1626 | ||
1627 | hwdesc = &tx_ring->desc_head[producer]; | |
1628 | tx_ring->cmd_buf_arr[producer].skb = NULL; | |
1629 | ||
1630 | skb_copy_from_linear_data_offset(skb, copied, | |
1631 | (char *)hwdesc + offset, copy_len); | |
1632 | ||
1633 | copied += copy_len; | |
1634 | offset = 0; | |
1635 | ||
1636 | producer = get_next_index(producer, tx_ring->num_desc); | |
1637 | } | |
1638 | ||
1639 | tx_ring->producer = producer; | |
1640 | barrier(); | |
cd1f8160 DP |
1641 | } |
1642 | ||
ce644ed4 DP |
1643 | static int |
1644 | netxen_map_tx_skb(struct pci_dev *pdev, | |
1645 | struct sk_buff *skb, struct netxen_cmd_buffer *pbuf) | |
6f703406 | 1646 | { |
ce644ed4 DP |
1647 | struct netxen_skb_frag *nf; |
1648 | struct skb_frag_struct *frag; | |
1649 | int i, nr_frags; | |
1650 | dma_addr_t map; | |
1651 | ||
1652 | nr_frags = skb_shinfo(skb)->nr_frags; | |
1653 | nf = &pbuf->frag_array[0]; | |
1654 | ||
1655 | map = pci_map_single(pdev, skb->data, | |
1656 | skb_headlen(skb), PCI_DMA_TODEVICE); | |
1657 | if (pci_dma_mapping_error(pdev, map)) | |
1658 | goto out_err; | |
6f703406 | 1659 | |
ce644ed4 DP |
1660 | nf->dma = map; |
1661 | nf->length = skb_headlen(skb); | |
1662 | ||
1663 | for (i = 0; i < nr_frags; i++) { | |
1664 | frag = &skb_shinfo(skb)->frags[i]; | |
1665 | nf = &pbuf->frag_array[i+1]; | |
1666 | ||
1667 | map = pci_map_page(pdev, frag->page, frag->page_offset, | |
1668 | frag->size, PCI_DMA_TODEVICE); | |
1669 | if (pci_dma_mapping_error(pdev, map)) | |
1670 | goto unwind; | |
1671 | ||
1672 | nf->dma = map; | |
1673 | nf->length = frag->size; | |
1674 | } | |
1675 | ||
1676 | return 0; | |
6f703406 | 1677 | |
ce644ed4 | 1678 | unwind: |
cf503e8f DP |
1679 | while (--i >= 0) { |
1680 | nf = &pbuf->frag_array[i+1]; | |
ce644ed4 | 1681 | pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE); |
6f703406 | 1682 | } |
ce644ed4 DP |
1683 | |
1684 | nf = &pbuf->frag_array[0]; | |
1685 | pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE); | |
1686 | ||
1687 | out_err: | |
1688 | return -ENOMEM; | |
6f703406 DP |
1689 | } |
1690 | ||
d32cc3d2 DP |
1691 | static inline void |
1692 | netxen_clear_cmddesc(u64 *desc) | |
1693 | { | |
1bcfd790 DP |
1694 | desc[0] = 0ULL; |
1695 | desc[2] = 0ULL; | |
d32cc3d2 DP |
1696 | } |
1697 | ||
61357325 | 1698 | static netdev_tx_t |
d32cc3d2 | 1699 | netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) |
3d396eb1 | 1700 | { |
3176ff3e | 1701 | struct netxen_adapter *adapter = netdev_priv(netdev); |
4ea528a1 | 1702 | struct nx_host_tx_ring *tx_ring = adapter->tx_ring; |
391587c3 | 1703 | struct netxen_cmd_buffer *pbuf; |
3d396eb1 | 1704 | struct netxen_skb_frag *buffrag; |
1bcfd790 DP |
1705 | struct cmd_desc_type0 *hwdesc, *first_desc; |
1706 | struct pci_dev *pdev; | |
391587c3 | 1707 | int i, k; |
3d396eb1 | 1708 | |
cb2107be | 1709 | u32 producer; |
ce644ed4 | 1710 | int frag_count, no_of_desc; |
d877f1e3 | 1711 | u32 num_txd = tx_ring->num_desc; |
3d396eb1 | 1712 | |
3d396eb1 AK |
1713 | frag_count = skb_shinfo(skb)->nr_frags + 1; |
1714 | ||
d877f1e3 | 1715 | /* 4 fragments per cmd des */ |
3d396eb1 | 1716 | no_of_desc = (frag_count + 3) >> 2; |
53a01e00 | 1717 | |
fa9859ef | 1718 | if (unlikely(no_of_desc + 2 > netxen_tx_avail(tx_ring))) { |
ba53e6b4 | 1719 | netif_stop_queue(netdev); |
ba53e6b4 | 1720 | return NETDEV_TX_BUSY; |
53a01e00 | 1721 | } |
3d396eb1 | 1722 | |
cb2107be | 1723 | producer = tx_ring->producer; |
ce644ed4 | 1724 | pbuf = &tx_ring->cmd_buf_arr[producer]; |
cb2107be | 1725 | |
1bcfd790 | 1726 | pdev = adapter->pdev; |
391587c3 | 1727 | |
ce644ed4 | 1728 | if (netxen_map_tx_skb(pdev, skb, pbuf)) |
1bcfd790 | 1729 | goto drop_packet; |
391587c3 | 1730 | |
3d396eb1 | 1731 | pbuf->skb = skb; |
3d396eb1 | 1732 | pbuf->frag_count = frag_count; |
6f703406 | 1733 | |
1bcfd790 DP |
1734 | first_desc = hwdesc = &tx_ring->desc_head[producer]; |
1735 | netxen_clear_cmddesc((u64 *)hwdesc); | |
3d396eb1 | 1736 | |
ce644ed4 DP |
1737 | netxen_set_tx_frags_len(first_desc, frag_count, skb->len); |
1738 | netxen_set_tx_port(first_desc, adapter->portnum); | |
3d396eb1 | 1739 | |
ce644ed4 | 1740 | for (i = 0; i < frag_count; i++) { |
3d396eb1 | 1741 | |
ce644ed4 DP |
1742 | k = i % 4; |
1743 | ||
1744 | if ((k == 0) && (i > 0)) { | |
1745 | /* move to next desc.*/ | |
ba53e6b4 | 1746 | producer = get_next_index(producer, num_txd); |
d877f1e3 | 1747 | hwdesc = &tx_ring->desc_head[producer]; |
d32cc3d2 | 1748 | netxen_clear_cmddesc((u64 *)hwdesc); |
ce644ed4 | 1749 | tx_ring->cmd_buf_arr[producer].skb = NULL; |
6f703406 | 1750 | } |
3d396eb1 | 1751 | |
ce644ed4 | 1752 | buffrag = &pbuf->frag_array[i]; |
3d396eb1 | 1753 | |
ce644ed4 | 1754 | hwdesc->buffer_length[k] = cpu_to_le16(buffrag->length); |
3d396eb1 AK |
1755 | switch (k) { |
1756 | case 0: | |
ce644ed4 | 1757 | hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma); |
3d396eb1 AK |
1758 | break; |
1759 | case 1: | |
ce644ed4 | 1760 | hwdesc->addr_buffer2 = cpu_to_le64(buffrag->dma); |
3d396eb1 AK |
1761 | break; |
1762 | case 2: | |
ce644ed4 | 1763 | hwdesc->addr_buffer3 = cpu_to_le64(buffrag->dma); |
3d396eb1 AK |
1764 | break; |
1765 | case 3: | |
ce644ed4 | 1766 | hwdesc->addr_buffer4 = cpu_to_le64(buffrag->dma); |
3d396eb1 AK |
1767 | break; |
1768 | } | |
3d396eb1 | 1769 | } |
ce644ed4 | 1770 | |
1bcfd790 | 1771 | tx_ring->producer = get_next_index(producer, num_txd); |
3d396eb1 | 1772 | |
1bcfd790 | 1773 | netxen_tso_check(netdev, tx_ring, first_desc, skb); |
6c80b18d | 1774 | |
cb2107be | 1775 | netxen_nic_update_cmd_producer(adapter, tx_ring); |
3d396eb1 | 1776 | |
1bcfd790 | 1777 | adapter->stats.txbytes += skb->len; |
ba53e6b4 | 1778 | adapter->stats.xmitcalled++; |
3d396eb1 | 1779 | |
3d396eb1 | 1780 | return NETDEV_TX_OK; |
6f703406 DP |
1781 | |
1782 | drop_packet: | |
1783 | adapter->stats.txdropped++; | |
1784 | dev_kfree_skb_any(skb); | |
1785 | return NETDEV_TX_OK; | |
3d396eb1 AK |
1786 | } |
1787 | ||
a97342f9 DP |
1788 | static int netxen_nic_check_temp(struct netxen_adapter *adapter) |
1789 | { | |
1790 | struct net_device *netdev = adapter->netdev; | |
1791 | uint32_t temp, temp_state, temp_val; | |
1792 | int rv = 0; | |
1793 | ||
f98a9f69 | 1794 | temp = NXRD32(adapter, CRB_TEMP_STATE); |
a97342f9 DP |
1795 | |
1796 | temp_state = nx_get_temp_state(temp); | |
1797 | temp_val = nx_get_temp_val(temp); | |
1798 | ||
1799 | if (temp_state == NX_TEMP_PANIC) { | |
1800 | printk(KERN_ALERT | |
1801 | "%s: Device temperature %d degrees C exceeds" | |
1802 | " maximum allowed. Hardware has been shut down.\n", | |
e4135c2d | 1803 | netdev->name, temp_val); |
a97342f9 DP |
1804 | rv = 1; |
1805 | } else if (temp_state == NX_TEMP_WARN) { | |
1806 | if (adapter->temp == NX_TEMP_NORMAL) { | |
1807 | printk(KERN_ALERT | |
1808 | "%s: Device temperature %d degrees C " | |
1809 | "exceeds operating range." | |
1810 | " Immediate action needed.\n", | |
e4135c2d | 1811 | netdev->name, temp_val); |
a97342f9 DP |
1812 | } |
1813 | } else { | |
1814 | if (adapter->temp == NX_TEMP_WARN) { | |
1815 | printk(KERN_INFO | |
1816 | "%s: Device temperature is now %d degrees C" | |
e4135c2d | 1817 | " in normal range.\n", netdev->name, |
a97342f9 DP |
1818 | temp_val); |
1819 | } | |
1820 | } | |
1821 | adapter->temp = temp_state; | |
1822 | return rv; | |
1823 | } | |
1824 | ||
3bf26ce3 | 1825 | void netxen_advert_link_change(struct netxen_adapter *adapter, int linkup) |
a97342f9 DP |
1826 | { |
1827 | struct net_device *netdev = adapter->netdev; | |
a97342f9 DP |
1828 | |
1829 | if (adapter->ahw.linkup && !linkup) { | |
1830 | printk(KERN_INFO "%s: %s NIC Link is down\n", | |
1831 | netxen_nic_driver_name, netdev->name); | |
1832 | adapter->ahw.linkup = 0; | |
1833 | if (netif_running(netdev)) { | |
1834 | netif_carrier_off(netdev); | |
1835 | netif_stop_queue(netdev); | |
1836 | } | |
e424fa9d | 1837 | adapter->link_changed = !adapter->has_link_events; |
a97342f9 DP |
1838 | } else if (!adapter->ahw.linkup && linkup) { |
1839 | printk(KERN_INFO "%s: %s NIC Link is up\n", | |
1840 | netxen_nic_driver_name, netdev->name); | |
1841 | adapter->ahw.linkup = 1; | |
1842 | if (netif_running(netdev)) { | |
1843 | netif_carrier_on(netdev); | |
1844 | netif_wake_queue(netdev); | |
1845 | } | |
e424fa9d | 1846 | adapter->link_changed = !adapter->has_link_events; |
a97342f9 DP |
1847 | } |
1848 | } | |
1849 | ||
3bf26ce3 DP |
1850 | static void netxen_nic_handle_phy_intr(struct netxen_adapter *adapter) |
1851 | { | |
1852 | u32 val, port, linkup; | |
1853 | ||
1854 | port = adapter->physical_port; | |
1855 | ||
1856 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { | |
f98a9f69 | 1857 | val = NXRD32(adapter, CRB_XG_STATE_P3); |
3bf26ce3 DP |
1858 | val = XG_LINK_STATE_P3(adapter->ahw.pci_func, val); |
1859 | linkup = (val == XG_LINK_UP_P3); | |
1860 | } else { | |
f98a9f69 | 1861 | val = NXRD32(adapter, CRB_XG_STATE); |
3bf26ce3 DP |
1862 | if (adapter->ahw.port_type == NETXEN_NIC_GBE) |
1863 | linkup = (val >> port) & 1; | |
1864 | else { | |
1865 | val = (val >> port*8) & 0xff; | |
1866 | linkup = (val == XG_LINK_UP); | |
1867 | } | |
1868 | } | |
1869 | ||
1870 | netxen_advert_link_change(adapter, linkup); | |
1871 | } | |
1872 | ||
3d396eb1 AK |
1873 | static void netxen_tx_timeout(struct net_device *netdev) |
1874 | { | |
e424fa9d | 1875 | struct netxen_adapter *adapter = netdev_priv(netdev); |
f17443f4 | 1876 | |
6a581e93 DP |
1877 | if (test_bit(__NX_RESETTING, &adapter->state)) |
1878 | return; | |
1879 | ||
f17443f4 | 1880 | dev_err(&netdev->dev, "transmit timeout, resetting.\n"); |
e424fa9d | 1881 | schedule_work(&adapter->tx_timeout_task); |
3d396eb1 AK |
1882 | } |
1883 | ||
74c520da | 1884 | static void netxen_tx_timeout_task(struct work_struct *work) |
3d396eb1 | 1885 | { |
4790654c | 1886 | struct netxen_adapter *adapter = |
3176ff3e | 1887 | container_of(work, struct netxen_adapter, tx_timeout_task); |
3d396eb1 | 1888 | |
b2af9cb0 DP |
1889 | if (!netif_running(adapter->netdev)) |
1890 | return; | |
1891 | ||
74c520da | 1892 | if (test_and_set_bit(__NX_RESETTING, &adapter->state)) |
6a581e93 DP |
1893 | return; |
1894 | ||
74c520da AKS |
1895 | if (++adapter->tx_timeo_cnt >= NX_MAX_TX_TIMEOUTS) |
1896 | goto request_reset; | |
1897 | ||
1898 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { | |
1899 | /* try to scrub interrupt */ | |
1900 | netxen_napi_disable(adapter); | |
ba53e6b4 | 1901 | |
74c520da | 1902 | adapter->netdev->trans_start = jiffies; |
ba53e6b4 | 1903 | |
74c520da AKS |
1904 | netxen_napi_enable(adapter); |
1905 | ||
1906 | netif_wake_queue(adapter->netdev); | |
1907 | ||
a598ae17 | 1908 | clear_bit(__NX_RESETTING, &adapter->state); |
74c520da AKS |
1909 | |
1910 | } else { | |
a598ae17 | 1911 | clear_bit(__NX_RESETTING, &adapter->state); |
74c520da AKS |
1912 | if (!netxen_nic_reset_context(adapter)) { |
1913 | adapter->netdev->trans_start = jiffies; | |
a598ae17 | 1914 | return; |
74c520da AKS |
1915 | } |
1916 | ||
1917 | /* context reset failed, fall through for fw reset */ | |
1918 | } | |
1919 | ||
1920 | request_reset: | |
1921 | adapter->need_fw_reset = 1; | |
ff8a306d | 1922 | clear_bit(__NX_RESETTING, &adapter->state); |
3d396eb1 AK |
1923 | } |
1924 | ||
a97342f9 DP |
1925 | struct net_device_stats *netxen_nic_get_stats(struct net_device *netdev) |
1926 | { | |
1927 | struct netxen_adapter *adapter = netdev_priv(netdev); | |
1928 | struct net_device_stats *stats = &adapter->net_stats; | |
1929 | ||
1930 | memset(stats, 0, sizeof(*stats)); | |
1931 | ||
1bb482f8 | 1932 | stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; |
e98e3350 | 1933 | stats->tx_packets = adapter->stats.xmitfinished; |
a97342f9 | 1934 | stats->rx_bytes = adapter->stats.rxbytes; |
a97342f9 | 1935 | stats->tx_bytes = adapter->stats.txbytes; |
a97342f9 | 1936 | stats->rx_dropped = adapter->stats.rxdropped; |
a97342f9 DP |
1937 | stats->tx_dropped = adapter->stats.txdropped; |
1938 | ||
1939 | return stats; | |
1940 | } | |
1941 | ||
e4c93c81 | 1942 | static irqreturn_t netxen_intr(int irq, void *data) |
3d396eb1 | 1943 | { |
d8b100c5 DP |
1944 | struct nx_host_sds_ring *sds_ring = data; |
1945 | struct netxen_adapter *adapter = sds_ring->adapter; | |
d71e1be8 DP |
1946 | u32 status = 0; |
1947 | ||
195c5f98 | 1948 | status = readl(adapter->isr_int_vec); |
d71e1be8 | 1949 | |
195c5f98 | 1950 | if (!(status & adapter->int_vec_bit)) |
05aaa02d | 1951 | return IRQ_NONE; |
e01872af | 1952 | |
195c5f98 | 1953 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { |
d71e1be8 | 1954 | /* check interrupt state machine, to be sure */ |
195c5f98 | 1955 | status = readl(adapter->crb_int_state_reg); |
d71e1be8 DP |
1956 | if (!ISR_LEGACY_INT_TRIGGERED(status)) |
1957 | return IRQ_NONE; | |
1958 | ||
092bc571 DP |
1959 | } else { |
1960 | unsigned long our_int = 0; | |
d71e1be8 | 1961 | |
195c5f98 | 1962 | our_int = readl(adapter->crb_int_state_reg); |
092bc571 | 1963 | |
d71e1be8 | 1964 | /* not our interrupt */ |
092bc571 | 1965 | if (!test_and_clear_bit((7 + adapter->portnum), &our_int)) |
d71e1be8 DP |
1966 | return IRQ_NONE; |
1967 | ||
092bc571 | 1968 | /* claim interrupt */ |
195c5f98 | 1969 | writel((our_int & 0xffffffff), adapter->crb_int_state_reg); |
e01872af | 1970 | |
195c5f98 | 1971 | /* clear interrupt */ |
d8b100c5 | 1972 | netxen_nic_disable_int(sds_ring); |
195c5f98 | 1973 | } |
092bc571 | 1974 | |
195c5f98 | 1975 | writel(0xffffffff, adapter->tgt_status_reg); |
092bc571 | 1976 | /* read twice to ensure write is flushed */ |
195c5f98 AKS |
1977 | readl(adapter->isr_int_vec); |
1978 | readl(adapter->isr_int_vec); | |
092bc571 | 1979 | |
d8b100c5 | 1980 | napi_schedule(&sds_ring->napi); |
3d396eb1 AK |
1981 | |
1982 | return IRQ_HANDLED; | |
1983 | } | |
1984 | ||
e4c93c81 | 1985 | static irqreturn_t netxen_msi_intr(int irq, void *data) |
05aaa02d | 1986 | { |
d8b100c5 DP |
1987 | struct nx_host_sds_ring *sds_ring = data; |
1988 | struct netxen_adapter *adapter = sds_ring->adapter; | |
05aaa02d | 1989 | |
092bc571 | 1990 | /* clear interrupt */ |
195c5f98 | 1991 | writel(0xffffffff, adapter->tgt_status_reg); |
092bc571 | 1992 | |
d8b100c5 | 1993 | napi_schedule(&sds_ring->napi); |
05aaa02d DP |
1994 | return IRQ_HANDLED; |
1995 | } | |
1996 | ||
b3df68f8 DP |
1997 | static irqreturn_t netxen_msix_intr(int irq, void *data) |
1998 | { | |
d8b100c5 | 1999 | struct nx_host_sds_ring *sds_ring = data; |
b3df68f8 | 2000 | |
d8b100c5 | 2001 | napi_schedule(&sds_ring->napi); |
b3df68f8 DP |
2002 | return IRQ_HANDLED; |
2003 | } | |
2004 | ||
bea3348e | 2005 | static int netxen_nic_poll(struct napi_struct *napi, int budget) |
3d396eb1 | 2006 | { |
d8b100c5 DP |
2007 | struct nx_host_sds_ring *sds_ring = |
2008 | container_of(napi, struct nx_host_sds_ring, napi); | |
2009 | ||
2010 | struct netxen_adapter *adapter = sds_ring->adapter; | |
2011 | ||
05aaa02d | 2012 | int tx_complete; |
bea3348e | 2013 | int work_done; |
3d396eb1 | 2014 | |
05aaa02d | 2015 | tx_complete = netxen_process_cmd_ring(adapter); |
3d396eb1 | 2016 | |
d8b100c5 | 2017 | work_done = netxen_process_rcv_ring(sds_ring, budget); |
3d396eb1 | 2018 | |
05aaa02d | 2019 | if ((work_done < budget) && tx_complete) { |
d8b100c5 | 2020 | napi_complete(&sds_ring->napi); |
b2af9cb0 DP |
2021 | if (netif_running(adapter->netdev)) |
2022 | netxen_nic_enable_int(sds_ring); | |
3d396eb1 AK |
2023 | } |
2024 | ||
bea3348e | 2025 | return work_done; |
3d396eb1 AK |
2026 | } |
2027 | ||
2028 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
2029 | static void netxen_nic_poll_controller(struct net_device *netdev) | |
2030 | { | |
3176ff3e | 2031 | struct netxen_adapter *adapter = netdev_priv(netdev); |
3d396eb1 | 2032 | disable_irq(adapter->irq); |
1494a814 | 2033 | netxen_intr(adapter->irq, adapter); |
3d396eb1 AK |
2034 | enable_irq(adapter->irq); |
2035 | } | |
2036 | #endif | |
3d396eb1 | 2037 | |
6a581e93 DP |
2038 | static int |
2039 | nx_incr_dev_ref_cnt(struct netxen_adapter *adapter) | |
2040 | { | |
2041 | int count; | |
2042 | if (netxen_api_lock(adapter)) | |
2043 | return -EIO; | |
2044 | ||
2045 | count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT); | |
2046 | ||
2047 | NXWR32(adapter, NX_CRB_DEV_REF_COUNT, ++count); | |
2048 | ||
2049 | netxen_api_unlock(adapter); | |
2050 | return count; | |
2051 | } | |
2052 | ||
2053 | static int | |
2054 | nx_decr_dev_ref_cnt(struct netxen_adapter *adapter) | |
2055 | { | |
2056 | int count; | |
2057 | if (netxen_api_lock(adapter)) | |
2058 | return -EIO; | |
2059 | ||
2060 | count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT); | |
2061 | WARN_ON(count == 0); | |
2062 | ||
2063 | NXWR32(adapter, NX_CRB_DEV_REF_COUNT, --count); | |
2064 | ||
2065 | if (count == 0) | |
2066 | NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_COLD); | |
2067 | ||
2068 | netxen_api_unlock(adapter); | |
2069 | return count; | |
2070 | } | |
2071 | ||
74c520da AKS |
2072 | static void |
2073 | nx_dev_request_reset(struct netxen_adapter *adapter) | |
2074 | { | |
2075 | u32 state; | |
2076 | ||
2077 | if (netxen_api_lock(adapter)) | |
2078 | return; | |
2079 | ||
2080 | state = NXRD32(adapter, NX_CRB_DEV_STATE); | |
2081 | ||
2082 | if (state != NX_DEV_INITALIZING) | |
2083 | NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_NEED_RESET); | |
2084 | ||
2085 | netxen_api_unlock(adapter); | |
2086 | } | |
2087 | ||
6a581e93 DP |
2088 | static int |
2089 | netxen_can_start_firmware(struct netxen_adapter *adapter) | |
2090 | { | |
2091 | int count; | |
2092 | int can_start = 0; | |
2093 | ||
2094 | if (netxen_api_lock(adapter)) | |
2095 | return 0; | |
2096 | ||
2097 | count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT); | |
2098 | ||
2099 | if ((count < 0) || (count >= NX_MAX_PCI_FUNC)) | |
2100 | count = 0; | |
2101 | ||
2102 | if (count == 0) { | |
2103 | can_start = 1; | |
2104 | NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_INITALIZING); | |
2105 | } | |
2106 | ||
2107 | NXWR32(adapter, NX_CRB_DEV_REF_COUNT, ++count); | |
2108 | ||
2109 | netxen_api_unlock(adapter); | |
2110 | ||
2111 | return can_start; | |
2112 | } | |
2113 | ||
2114 | static void | |
2115 | netxen_schedule_work(struct netxen_adapter *adapter, | |
2116 | work_func_t func, int delay) | |
2117 | { | |
2118 | INIT_DELAYED_WORK(&adapter->fw_work, func); | |
2119 | schedule_delayed_work(&adapter->fw_work, delay); | |
2120 | } | |
2121 | ||
2122 | static void | |
2123 | netxen_cancel_fw_work(struct netxen_adapter *adapter) | |
2124 | { | |
2125 | while (test_and_set_bit(__NX_RESETTING, &adapter->state)) | |
2126 | msleep(10); | |
2127 | ||
2128 | cancel_delayed_work_sync(&adapter->fw_work); | |
2129 | } | |
2130 | ||
2131 | static void | |
2132 | netxen_attach_work(struct work_struct *work) | |
2133 | { | |
2134 | struct netxen_adapter *adapter = container_of(work, | |
2135 | struct netxen_adapter, fw_work.work); | |
2136 | struct net_device *netdev = adapter->netdev; | |
2137 | int err = 0; | |
2138 | ||
2139 | if (netif_running(netdev)) { | |
2140 | err = netxen_nic_attach(adapter); | |
2141 | if (err) | |
2142 | goto done; | |
2143 | ||
2144 | err = netxen_nic_up(adapter, netdev); | |
2145 | if (err) { | |
2146 | netxen_nic_detach(adapter); | |
2147 | goto done; | |
2148 | } | |
2149 | ||
d0725e4d | 2150 | netxen_config_indev_addr(netdev, NETDEV_UP); |
6a581e93 DP |
2151 | } |
2152 | ||
2153 | netif_device_attach(netdev); | |
2154 | ||
2155 | done: | |
2156 | adapter->fw_fail_cnt = 0; | |
2157 | clear_bit(__NX_RESETTING, &adapter->state); | |
2158 | netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY); | |
2159 | } | |
2160 | ||
2161 | static void | |
2162 | netxen_fwinit_work(struct work_struct *work) | |
2163 | { | |
2164 | struct netxen_adapter *adapter = container_of(work, | |
2165 | struct netxen_adapter, fw_work.work); | |
2166 | int dev_state; | |
2167 | ||
2168 | dev_state = NXRD32(adapter, NX_CRB_DEV_STATE); | |
2169 | ||
2170 | switch (dev_state) { | |
2171 | case NX_DEV_COLD: | |
2172 | case NX_DEV_READY: | |
74c520da AKS |
2173 | if (!netxen_start_firmware(adapter)) { |
2174 | netxen_schedule_work(adapter, netxen_attach_work, 0); | |
2175 | return; | |
2176 | } | |
2177 | break; | |
6a581e93 DP |
2178 | |
2179 | case NX_DEV_INITALIZING: | |
2180 | if (++adapter->fw_wait_cnt < FW_POLL_THRESH) { | |
2181 | netxen_schedule_work(adapter, | |
2182 | netxen_fwinit_work, 2 * FW_POLL_DELAY); | |
2183 | return; | |
2184 | } | |
2185 | break; | |
2186 | ||
2187 | case NX_DEV_FAILED: | |
2188 | default: | |
2189 | break; | |
2190 | } | |
2191 | ||
2192 | nx_incr_dev_ref_cnt(adapter); | |
2193 | clear_bit(__NX_RESETTING, &adapter->state); | |
2194 | } | |
2195 | ||
2196 | static void | |
2197 | netxen_detach_work(struct work_struct *work) | |
2198 | { | |
2199 | struct netxen_adapter *adapter = container_of(work, | |
2200 | struct netxen_adapter, fw_work.work); | |
2201 | struct net_device *netdev = adapter->netdev; | |
2202 | int ref_cnt, delay; | |
2203 | u32 status; | |
2204 | ||
2205 | netif_device_detach(netdev); | |
2206 | ||
2207 | if (netif_running(netdev)) | |
2208 | netxen_nic_down(adapter, netdev); | |
2209 | ||
2210 | netxen_nic_detach(adapter); | |
2211 | ||
2212 | status = NXRD32(adapter, NETXEN_PEG_HALT_STATUS1); | |
2213 | ||
2214 | ref_cnt = nx_decr_dev_ref_cnt(adapter); | |
2215 | ||
2216 | if (status & NX_RCODE_FATAL_ERROR) | |
2217 | return; | |
2218 | ||
2219 | if (adapter->temp == NX_TEMP_PANIC) | |
2220 | return; | |
2221 | ||
2222 | delay = (ref_cnt == 0) ? 0 : (2 * FW_POLL_DELAY); | |
2223 | ||
2224 | adapter->fw_wait_cnt = 0; | |
2225 | netxen_schedule_work(adapter, netxen_fwinit_work, delay); | |
2226 | } | |
2227 | ||
2228 | static int | |
2229 | netxen_check_health(struct netxen_adapter *adapter) | |
2230 | { | |
2231 | u32 state, heartbit; | |
2232 | struct net_device *netdev = adapter->netdev; | |
2233 | ||
2234 | if (netxen_nic_check_temp(adapter)) | |
2235 | goto detach; | |
2236 | ||
74c520da AKS |
2237 | if (adapter->need_fw_reset) { |
2238 | nx_dev_request_reset(adapter); | |
2239 | goto detach; | |
2240 | } | |
2241 | ||
6a581e93 DP |
2242 | state = NXRD32(adapter, NX_CRB_DEV_STATE); |
2243 | if (state == NX_DEV_NEED_RESET) | |
2244 | goto detach; | |
2245 | ||
2246 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) | |
2247 | return 0; | |
2248 | ||
2249 | heartbit = NXRD32(adapter, NETXEN_PEG_ALIVE_COUNTER); | |
2250 | if (heartbit != adapter->heartbit) { | |
2251 | adapter->heartbit = heartbit; | |
2252 | adapter->fw_fail_cnt = 0; | |
2253 | return 0; | |
2254 | } | |
2255 | ||
2256 | if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) | |
2257 | return 0; | |
2258 | ||
2259 | clear_bit(__NX_FW_ATTACHED, &adapter->state); | |
2260 | ||
2261 | dev_info(&netdev->dev, "firmware hang detected\n"); | |
2262 | ||
2263 | detach: | |
2264 | if (!test_and_set_bit(__NX_RESETTING, &adapter->state)) | |
2265 | netxen_schedule_work(adapter, netxen_detach_work, 0); | |
2266 | return 1; | |
2267 | } | |
2268 | ||
2269 | static void | |
2270 | netxen_fw_poll_work(struct work_struct *work) | |
2271 | { | |
2272 | struct netxen_adapter *adapter = container_of(work, | |
2273 | struct netxen_adapter, fw_work.work); | |
2274 | ||
2275 | if (test_bit(__NX_RESETTING, &adapter->state)) | |
2276 | goto reschedule; | |
2277 | ||
2278 | if (test_bit(__NX_DEV_UP, &adapter->state)) { | |
2279 | if (!adapter->has_link_events) { | |
2280 | ||
2281 | netxen_nic_handle_phy_intr(adapter); | |
2282 | ||
2283 | if (adapter->link_changed) | |
2284 | netxen_nic_set_link_parameters(adapter); | |
2285 | } | |
2286 | } | |
2287 | ||
2288 | if (netxen_check_health(adapter)) | |
2289 | return; | |
2290 | ||
2291 | reschedule: | |
2292 | netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY); | |
2293 | } | |
2294 | ||
fa3ce355 NK |
2295 | static ssize_t |
2296 | netxen_store_bridged_mode(struct device *dev, | |
2297 | struct device_attribute *attr, const char *buf, size_t len) | |
2298 | { | |
2299 | struct net_device *net = to_net_dev(dev); | |
2300 | struct netxen_adapter *adapter = netdev_priv(net); | |
2301 | unsigned long new; | |
2302 | int ret = -EINVAL; | |
2303 | ||
2304 | if (!(adapter->capabilities & NX_FW_CAPABILITY_BDG)) | |
2305 | goto err_out; | |
2306 | ||
2307 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) | |
2308 | goto err_out; | |
2309 | ||
2310 | if (strict_strtoul(buf, 2, &new)) | |
2311 | goto err_out; | |
2312 | ||
2313 | if (!netxen_config_bridged_mode(adapter, !!new)) | |
2314 | ret = len; | |
2315 | ||
2316 | err_out: | |
2317 | return ret; | |
2318 | } | |
2319 | ||
2320 | static ssize_t | |
2321 | netxen_show_bridged_mode(struct device *dev, | |
2322 | struct device_attribute *attr, char *buf) | |
2323 | { | |
2324 | struct net_device *net = to_net_dev(dev); | |
2325 | struct netxen_adapter *adapter; | |
2326 | int bridged_mode = 0; | |
2327 | ||
2328 | adapter = netdev_priv(net); | |
2329 | ||
2330 | if (adapter->capabilities & NX_FW_CAPABILITY_BDG) | |
2331 | bridged_mode = !!(adapter->flags & NETXEN_NIC_BRIDGE_ENABLED); | |
2332 | ||
2333 | return sprintf(buf, "%d\n", bridged_mode); | |
2334 | } | |
2335 | ||
2336 | static struct device_attribute dev_attr_bridged_mode = { | |
2337 | .attr = {.name = "bridged_mode", .mode = (S_IRUGO | S_IWUSR)}, | |
2338 | .show = netxen_show_bridged_mode, | |
2339 | .store = netxen_store_bridged_mode, | |
2340 | }; | |
2341 | ||
2342 | static void | |
2343 | netxen_create_sysfs_entries(struct netxen_adapter *adapter) | |
2344 | { | |
2345 | struct net_device *netdev = adapter->netdev; | |
2346 | struct device *dev = &netdev->dev; | |
2347 | ||
2348 | if (adapter->capabilities & NX_FW_CAPABILITY_BDG) { | |
2349 | /* bridged_mode control */ | |
2350 | if (device_create_file(dev, &dev_attr_bridged_mode)) { | |
2351 | dev_warn(&netdev->dev, | |
2352 | "failed to create bridged_mode sysfs entry\n"); | |
2353 | } | |
2354 | } | |
2355 | } | |
2356 | ||
2357 | static void | |
2358 | netxen_remove_sysfs_entries(struct netxen_adapter *adapter) | |
2359 | { | |
2360 | struct net_device *netdev = adapter->netdev; | |
2361 | struct device *dev = &netdev->dev; | |
2362 | ||
2363 | if (adapter->capabilities & NX_FW_CAPABILITY_BDG) | |
2364 | device_remove_file(dev, &dev_attr_bridged_mode); | |
2365 | } | |
2366 | ||
044824d9 DP |
2367 | #ifdef CONFIG_INET |
2368 | ||
6598b169 DP |
2369 | #define is_netxen_netdev(dev) (dev->netdev_ops == &netxen_netdev_ops) |
2370 | ||
2371 | static int | |
2372 | netxen_destip_supported(struct netxen_adapter *adapter) | |
2373 | { | |
2374 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) | |
2375 | return 0; | |
2376 | ||
2377 | if (adapter->ahw.cut_through) | |
2378 | return 0; | |
2379 | ||
2380 | return 1; | |
2381 | } | |
2382 | ||
d0725e4d AKS |
2383 | static void |
2384 | netxen_config_indev_addr(struct net_device *dev, unsigned long event) | |
2385 | { | |
2386 | struct in_device *indev; | |
2387 | struct netxen_adapter *adapter = netdev_priv(dev); | |
2388 | ||
3db76755 | 2389 | if (!netxen_destip_supported(adapter)) |
d0725e4d AKS |
2390 | return; |
2391 | ||
2392 | indev = in_dev_get(dev); | |
2393 | if (!indev) | |
2394 | return; | |
2395 | ||
2396 | for_ifa(indev) { | |
2397 | switch (event) { | |
2398 | case NETDEV_UP: | |
2399 | netxen_config_ipaddr(adapter, | |
2400 | ifa->ifa_address, NX_IP_UP); | |
2401 | break; | |
2402 | case NETDEV_DOWN: | |
2403 | netxen_config_ipaddr(adapter, | |
2404 | ifa->ifa_address, NX_IP_DOWN); | |
2405 | break; | |
2406 | default: | |
2407 | break; | |
2408 | } | |
2409 | } endfor_ifa(indev); | |
2410 | ||
2411 | in_dev_put(indev); | |
2412 | return; | |
2413 | } | |
2414 | ||
6598b169 DP |
2415 | static int netxen_netdev_event(struct notifier_block *this, |
2416 | unsigned long event, void *ptr) | |
2417 | { | |
2418 | struct netxen_adapter *adapter; | |
2419 | struct net_device *dev = (struct net_device *)ptr; | |
6598b169 DP |
2420 | |
2421 | recheck: | |
2422 | if (dev == NULL) | |
2423 | goto done; | |
2424 | ||
2425 | if (dev->priv_flags & IFF_802_1Q_VLAN) { | |
2426 | dev = vlan_dev_real_dev(dev); | |
2427 | goto recheck; | |
2428 | } | |
2429 | ||
2430 | if (!is_netxen_netdev(dev)) | |
2431 | goto done; | |
2432 | ||
2433 | adapter = netdev_priv(dev); | |
2434 | ||
d0725e4d | 2435 | if (!adapter) |
6598b169 DP |
2436 | goto done; |
2437 | ||
2438 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) | |
2439 | goto done; | |
2440 | ||
d0725e4d | 2441 | netxen_config_indev_addr(dev, event); |
6598b169 DP |
2442 | done: |
2443 | return NOTIFY_DONE; | |
2444 | } | |
2445 | ||
2446 | static int | |
2447 | netxen_inetaddr_event(struct notifier_block *this, | |
2448 | unsigned long event, void *ptr) | |
2449 | { | |
2450 | struct netxen_adapter *adapter; | |
2451 | struct net_device *dev; | |
2452 | ||
2453 | struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; | |
2454 | ||
2455 | dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; | |
2456 | ||
2457 | recheck: | |
2458 | if (dev == NULL || !netif_running(dev)) | |
2459 | goto done; | |
2460 | ||
2461 | if (dev->priv_flags & IFF_802_1Q_VLAN) { | |
2462 | dev = vlan_dev_real_dev(dev); | |
2463 | goto recheck; | |
2464 | } | |
2465 | ||
2466 | if (!is_netxen_netdev(dev)) | |
2467 | goto done; | |
2468 | ||
2469 | adapter = netdev_priv(dev); | |
2470 | ||
2471 | if (!adapter || !netxen_destip_supported(adapter)) | |
2472 | goto done; | |
2473 | ||
2474 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) | |
2475 | goto done; | |
2476 | ||
2477 | switch (event) { | |
2478 | case NETDEV_UP: | |
2479 | netxen_config_ipaddr(adapter, ifa->ifa_address, NX_IP_UP); | |
2480 | break; | |
2481 | case NETDEV_DOWN: | |
2482 | netxen_config_ipaddr(adapter, ifa->ifa_address, NX_IP_DOWN); | |
2483 | break; | |
2484 | default: | |
2485 | break; | |
2486 | } | |
2487 | ||
2488 | done: | |
2489 | return NOTIFY_DONE; | |
2490 | } | |
2491 | ||
2492 | static struct notifier_block netxen_netdev_cb = { | |
2493 | .notifier_call = netxen_netdev_event, | |
2494 | }; | |
2495 | ||
2496 | static struct notifier_block netxen_inetaddr_cb = { | |
2497 | .notifier_call = netxen_inetaddr_event, | |
2498 | }; | |
9feae56c RD |
2499 | #else |
2500 | static void | |
2501 | netxen_config_indev_addr(struct net_device *dev, unsigned long event) | |
2502 | { } | |
044824d9 | 2503 | #endif |
6598b169 | 2504 | |
3d396eb1 AK |
2505 | static struct pci_driver netxen_driver = { |
2506 | .name = netxen_nic_driver_name, | |
2507 | .id_table = netxen_pci_tbl, | |
2508 | .probe = netxen_nic_probe, | |
0b72e659 | 2509 | .remove = __devexit_p(netxen_nic_remove), |
01542cd1 | 2510 | #ifdef CONFIG_PM |
0b72e659 | 2511 | .suspend = netxen_nic_suspend, |
22b5794b | 2512 | .resume = netxen_nic_resume, |
01542cd1 | 2513 | #endif |
22b5794b | 2514 | .shutdown = netxen_nic_shutdown |
3d396eb1 AK |
2515 | }; |
2516 | ||
3d396eb1 AK |
2517 | static int __init netxen_init_module(void) |
2518 | { | |
ff4fbd43 DP |
2519 | printk(KERN_INFO "%s\n", netxen_nic_driver_string); |
2520 | ||
044824d9 | 2521 | #ifdef CONFIG_INET |
6598b169 DP |
2522 | register_netdevice_notifier(&netxen_netdev_cb); |
2523 | register_inetaddr_notifier(&netxen_inetaddr_cb); | |
044824d9 | 2524 | #endif |
6598b169 | 2525 | |
184231bd | 2526 | return pci_register_driver(&netxen_driver); |
3d396eb1 AK |
2527 | } |
2528 | ||
2529 | module_init(netxen_init_module); | |
2530 | ||
2531 | static void __exit netxen_exit_module(void) | |
2532 | { | |
3d396eb1 | 2533 | pci_unregister_driver(&netxen_driver); |
6598b169 | 2534 | |
044824d9 | 2535 | #ifdef CONFIG_INET |
6598b169 DP |
2536 | unregister_inetaddr_notifier(&netxen_inetaddr_cb); |
2537 | unregister_netdevice_notifier(&netxen_netdev_cb); | |
044824d9 | 2538 | #endif |
3d396eb1 AK |
2539 | } |
2540 | ||
2541 | module_exit(netxen_exit_module); |