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Commit | Line | Data |
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3d396eb1 | 1 | /* |
5d242f1c | 2 | * Copyright (C) 2003 - 2009 NetXen, Inc. |
3d396eb1 | 3 | * All rights reserved. |
80922fbc | 4 | * |
3d396eb1 AK |
5 | * This program is free software; you can redistribute it and/or |
6 | * modify it under the terms of the GNU General Public License | |
7 | * as published by the Free Software Foundation; either version 2 | |
8 | * of the License, or (at your option) any later version. | |
80922fbc | 9 | * |
3d396eb1 AK |
10 | * This program is distributed in the hope that it will be useful, but |
11 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
80922fbc | 14 | * |
3d396eb1 AK |
15 | * You should have received a copy of the GNU General Public License |
16 | * along with this program; if not, write to the Free Software | |
17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, | |
18 | * MA 02111-1307, USA. | |
80922fbc | 19 | * |
3d396eb1 AK |
20 | * The full GNU General Public License is included in this distribution |
21 | * in the file called LICENSE. | |
80922fbc | 22 | * |
3d396eb1 AK |
23 | * Contact Information: |
24 | * info@netxen.com | |
5d242f1c DP |
25 | * NetXen Inc, |
26 | * 18922 Forge Drive | |
27 | * Cupertino, CA 95014-0701 | |
3d396eb1 AK |
28 | * |
29 | */ | |
30 | ||
cb8011ad | 31 | #include <linux/vmalloc.h> |
e98e3350 | 32 | #include <linux/interrupt.h> |
3d396eb1 AK |
33 | #include "netxen_nic_hw.h" |
34 | ||
35 | #include "netxen_nic.h" | |
3d396eb1 | 36 | #include "netxen_nic_phan_reg.h" |
3d396eb1 | 37 | |
1494a814 | 38 | #include <linux/dma-mapping.h> |
391587c3 | 39 | #include <linux/if_vlan.h> |
c9bdd4b5 | 40 | #include <net/ip.h> |
00977784 | 41 | #include <linux/ipv6.h> |
6598b169 | 42 | #include <linux/inetdevice.h> |
1494a814 | 43 | |
3d396eb1 AK |
44 | MODULE_DESCRIPTION("NetXen Multi port (1/10) Gigabit Network Driver"); |
45 | MODULE_LICENSE("GPL"); | |
46 | MODULE_VERSION(NETXEN_NIC_LINUX_VERSIONID); | |
47 | ||
ceded32f | 48 | char netxen_nic_driver_name[] = "netxen_nic"; |
3d396eb1 | 49 | static char netxen_nic_driver_string[] = "NetXen Network Driver version " |
cb8011ad | 50 | NETXEN_NIC_LINUX_VERSIONID; |
3d396eb1 | 51 | |
2956640d DP |
52 | static int port_mode = NETXEN_PORT_MODE_AUTO_NEG; |
53 | ||
54 | /* Default to restricted 1G auto-neg mode */ | |
55 | static int wol_port_mode = 5; | |
56 | ||
57 | static int use_msi = 1; | |
58 | ||
59 | static int use_msi_x = 1; | |
60 | ||
3d396eb1 AK |
61 | /* Local functions to NetXen NIC driver */ |
62 | static int __devinit netxen_nic_probe(struct pci_dev *pdev, | |
2956640d | 63 | const struct pci_device_id *ent); |
3d396eb1 AK |
64 | static void __devexit netxen_nic_remove(struct pci_dev *pdev); |
65 | static int netxen_nic_open(struct net_device *netdev); | |
66 | static int netxen_nic_close(struct net_device *netdev); | |
67 | static int netxen_nic_xmit_frame(struct sk_buff *, struct net_device *); | |
68 | static void netxen_tx_timeout(struct net_device *netdev); | |
6d5aefb8 | 69 | static void netxen_tx_timeout_task(struct work_struct *work); |
3d396eb1 | 70 | static void netxen_watchdog(unsigned long); |
bea3348e | 71 | static int netxen_nic_poll(struct napi_struct *napi, int budget); |
3d396eb1 AK |
72 | #ifdef CONFIG_NET_POLL_CONTROLLER |
73 | static void netxen_nic_poll_controller(struct net_device *netdev); | |
74 | #endif | |
1494a814 | 75 | static irqreturn_t netxen_intr(int irq, void *data); |
05aaa02d | 76 | static irqreturn_t netxen_msi_intr(int irq, void *data); |
b3df68f8 | 77 | static irqreturn_t netxen_msix_intr(int irq, void *data); |
3d396eb1 AK |
78 | |
79 | /* PCI Device ID Table */ | |
70081ac5 | 80 | #define ENTRY(device) \ |
040dec3b | 81 | {PCI_DEVICE(PCI_VENDOR_ID_NETXEN, (device)), \ |
70081ac5 AV |
82 | .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0} |
83 | ||
3d396eb1 | 84 | static struct pci_device_id netxen_pci_tbl[] __devinitdata = { |
040dec3b DP |
85 | ENTRY(PCI_DEVICE_ID_NX2031_10GXSR), |
86 | ENTRY(PCI_DEVICE_ID_NX2031_10GCX4), | |
87 | ENTRY(PCI_DEVICE_ID_NX2031_4GCU), | |
88 | ENTRY(PCI_DEVICE_ID_NX2031_IMEZ), | |
89 | ENTRY(PCI_DEVICE_ID_NX2031_HMEZ), | |
90 | ENTRY(PCI_DEVICE_ID_NX2031_XG_MGMT), | |
91 | ENTRY(PCI_DEVICE_ID_NX2031_XG_MGMT2), | |
92 | ENTRY(PCI_DEVICE_ID_NX3031), | |
3d396eb1 AK |
93 | {0,} |
94 | }; | |
95 | ||
96 | MODULE_DEVICE_TABLE(pci, netxen_pci_tbl); | |
97 | ||
b1555130 AB |
98 | static struct workqueue_struct *netxen_workq; |
99 | #define SCHEDULE_WORK(tp) queue_work(netxen_workq, tp) | |
100 | #define FLUSH_SCHEDULED_WORK() flush_workqueue(netxen_workq) | |
101 | ||
ed25ffa1 AK |
102 | static void netxen_watchdog(unsigned long); |
103 | ||
7830b22c DP |
104 | static uint32_t crb_cmd_producer[4] = { |
105 | CRB_CMD_PRODUCER_OFFSET, CRB_CMD_PRODUCER_OFFSET_1, | |
106 | CRB_CMD_PRODUCER_OFFSET_2, CRB_CMD_PRODUCER_OFFSET_3 | |
107 | }; | |
108 | ||
c9fc891f | 109 | void |
3ce06a32 | 110 | netxen_nic_update_cmd_producer(struct netxen_adapter *adapter, |
cb2107be | 111 | struct nx_host_tx_ring *tx_ring) |
3176ff3e | 112 | { |
cb2107be DP |
113 | NXWR32(adapter, tx_ring->crb_cmd_producer, tx_ring->producer); |
114 | ||
115 | if (netxen_tx_avail(tx_ring) <= TX_STOP_THRESH) { | |
116 | netif_stop_queue(adapter->netdev); | |
117 | smp_mb(); | |
118 | } | |
3176ff3e MT |
119 | } |
120 | ||
7830b22c DP |
121 | static uint32_t crb_cmd_consumer[4] = { |
122 | CRB_CMD_CONSUMER_OFFSET, CRB_CMD_CONSUMER_OFFSET_1, | |
123 | CRB_CMD_CONSUMER_OFFSET_2, CRB_CMD_CONSUMER_OFFSET_3 | |
124 | }; | |
125 | ||
3ce06a32 DP |
126 | static inline void |
127 | netxen_nic_update_cmd_consumer(struct netxen_adapter *adapter, | |
cb2107be | 128 | struct nx_host_tx_ring *tx_ring) |
3176ff3e | 129 | { |
cb2107be | 130 | NXWR32(adapter, tx_ring->crb_cmd_consumer, tx_ring->sw_consumer); |
3176ff3e MT |
131 | } |
132 | ||
2956640d | 133 | static uint32_t msi_tgt_status[8] = { |
443be796 | 134 | ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, |
2956640d DP |
135 | ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3, |
136 | ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5, | |
137 | ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7 | |
443be796 DP |
138 | }; |
139 | ||
2956640d DP |
140 | static struct netxen_legacy_intr_set legacy_intr[] = NX_LEGACY_INTR_CONFIG; |
141 | ||
d8b100c5 | 142 | static inline void netxen_nic_disable_int(struct nx_host_sds_ring *sds_ring) |
4638aef1 | 143 | { |
d8b100c5 DP |
144 | struct netxen_adapter *adapter = sds_ring->adapter; |
145 | ||
f98a9f69 | 146 | NXWR32(adapter, sds_ring->crb_intr_mask, 0); |
4638aef1 SH |
147 | } |
148 | ||
d8b100c5 | 149 | static inline void netxen_nic_enable_int(struct nx_host_sds_ring *sds_ring) |
4638aef1 | 150 | { |
d8b100c5 DP |
151 | struct netxen_adapter *adapter = sds_ring->adapter; |
152 | ||
f98a9f69 | 153 | NXWR32(adapter, sds_ring->crb_intr_mask, 0x1); |
4638aef1 | 154 | |
092bc571 DP |
155 | if (!NETXEN_IS_MSI_FAMILY(adapter)) |
156 | adapter->pci_write_immediate(adapter, | |
157 | adapter->legacy_intr.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); | |
175 | } | |
176 | ||
177 | static int | |
d8b100c5 DP |
178 | netxen_napi_add(struct netxen_adapter *adapter, struct net_device *netdev) |
179 | { | |
180 | int ring; | |
181 | struct nx_host_sds_ring *sds_ring; | |
182 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; | |
183 | ||
71dcddbd DP |
184 | if (netxen_alloc_sds_rings(recv_ctx, adapter->max_sds_rings)) |
185 | return 1; | |
186 | ||
d8b100c5 DP |
187 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
188 | sds_ring = &recv_ctx->sds_rings[ring]; | |
189 | netif_napi_add(netdev, &sds_ring->napi, | |
190 | netxen_nic_poll, NETXEN_NETDEV_WEIGHT); | |
191 | } | |
71dcddbd DP |
192 | |
193 | return 0; | |
d8b100c5 DP |
194 | } |
195 | ||
196 | static void | |
197 | netxen_napi_enable(struct netxen_adapter *adapter) | |
198 | { | |
199 | int ring; | |
200 | struct nx_host_sds_ring *sds_ring; | |
201 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; | |
202 | ||
203 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
204 | sds_ring = &recv_ctx->sds_rings[ring]; | |
205 | napi_enable(&sds_ring->napi); | |
206 | netxen_nic_enable_int(sds_ring); | |
207 | } | |
208 | } | |
209 | ||
210 | static void | |
211 | netxen_napi_disable(struct netxen_adapter *adapter) | |
212 | { | |
213 | int ring; | |
214 | struct nx_host_sds_ring *sds_ring; | |
215 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; | |
216 | ||
217 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
218 | sds_ring = &recv_ctx->sds_rings[ring]; | |
be339aee | 219 | netxen_nic_disable_int(sds_ring); |
b2af9cb0 DP |
220 | napi_synchronize(&sds_ring->napi); |
221 | napi_disable(&sds_ring->napi); | |
d8b100c5 DP |
222 | } |
223 | } | |
224 | ||
2956640d DP |
225 | static int nx_set_dma_mask(struct netxen_adapter *adapter, uint8_t revision_id) |
226 | { | |
227 | struct pci_dev *pdev = adapter->pdev; | |
1f434f63 DP |
228 | uint64_t mask, cmask; |
229 | ||
230 | adapter->pci_using_dac = 0; | |
2956640d | 231 | |
6afd142f | 232 | mask = DMA_BIT_MASK(32); |
2956640d DP |
233 | /* |
234 | * Consistent DMA mask is set to 32 bit because it cannot be set to | |
235 | * 35 bits. For P3 also leave it at 32 bits for now. Only the rings | |
236 | * come off this pool. | |
237 | */ | |
6afd142f | 238 | cmask = DMA_BIT_MASK(32); |
1f434f63 DP |
239 | |
240 | #ifndef CONFIG_IA64 | |
241 | if (revision_id >= NX_P3_B0) | |
6afd142f | 242 | mask = DMA_BIT_MASK(39); |
1f434f63 | 243 | else if (revision_id == NX_P2_C1) |
6afd142f | 244 | mask = DMA_BIT_MASK(35); |
1f434f63 | 245 | #endif |
2956640d | 246 | if (pci_set_dma_mask(pdev, mask) == 0 && |
1f434f63 | 247 | pci_set_consistent_dma_mask(pdev, cmask) == 0) { |
2956640d DP |
248 | adapter->pci_using_dac = 1; |
249 | return 0; | |
250 | } | |
2956640d | 251 | |
1f434f63 DP |
252 | return -EIO; |
253 | } | |
254 | ||
255 | /* Update addressable range if firmware supports it */ | |
256 | static int | |
257 | nx_update_dma_mask(struct netxen_adapter *adapter) | |
258 | { | |
259 | int change, shift, err; | |
260 | uint64_t mask, old_mask; | |
261 | struct pci_dev *pdev = adapter->pdev; | |
262 | ||
263 | change = 0; | |
264 | ||
f98a9f69 | 265 | shift = NXRD32(adapter, CRB_DMA_SHIFT); |
1f434f63 DP |
266 | if (shift >= 32) |
267 | return 0; | |
268 | ||
269 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id) && (shift > 9)) | |
270 | change = 1; | |
271 | else if ((adapter->ahw.revision_id == NX_P2_C1) && (shift <= 4)) | |
272 | change = 1; | |
273 | ||
274 | if (change) { | |
275 | old_mask = pdev->dma_mask; | |
276 | mask = (1ULL<<(32+shift)) - 1; | |
277 | ||
278 | err = pci_set_dma_mask(pdev, mask); | |
279 | if (err) | |
280 | return pci_set_dma_mask(pdev, old_mask); | |
2956640d DP |
281 | } |
282 | ||
2956640d DP |
283 | return 0; |
284 | } | |
285 | ||
286 | static void netxen_check_options(struct netxen_adapter *adapter) | |
287 | { | |
438627c7 DP |
288 | if (adapter->ahw.port_type == NETXEN_NIC_XGBE) |
289 | adapter->num_rxd = MAX_RCV_DESCRIPTORS_10G; | |
290 | else if (adapter->ahw.port_type == NETXEN_NIC_GBE) | |
291 | adapter->num_rxd = MAX_RCV_DESCRIPTORS_1G; | |
2956640d | 292 | |
f6d21f44 DP |
293 | adapter->msix_supported = 0; |
294 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { | |
c7860a2a | 295 | adapter->msix_supported = !!use_msi_x; |
f6d21f44 DP |
296 | adapter->rss_supported = !!use_msi_x; |
297 | } else if (adapter->fw_version >= NETXEN_VERSION_CODE(3, 4, 336)) { | |
298 | switch (adapter->ahw.board_type) { | |
299 | case NETXEN_BRDTYPE_P2_SB31_10G: | |
300 | case NETXEN_BRDTYPE_P2_SB31_10G_CX4: | |
f6d21f44 DP |
301 | adapter->msix_supported = !!use_msi_x; |
302 | adapter->rss_supported = !!use_msi_x; | |
303 | break; | |
304 | default: | |
305 | break; | |
306 | } | |
307 | } | |
2956640d | 308 | |
438627c7 DP |
309 | adapter->num_txd = MAX_CMD_DESCRIPTORS_HOST; |
310 | adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS; | |
311 | adapter->num_lro_rxd = MAX_LRO_RCV_DESCRIPTORS; | |
2956640d | 312 | |
2956640d DP |
313 | return; |
314 | } | |
315 | ||
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]; | |
515 | adapter->legacy_intr.int_vec_bit = legacy_intrp->int_vec_bit; | |
516 | adapter->legacy_intr.tgt_status_reg = legacy_intrp->tgt_status_reg; | |
517 | adapter->legacy_intr.tgt_mask_reg = legacy_intrp->tgt_mask_reg; | |
518 | adapter->legacy_intr.pci_int_reg = legacy_intrp->pci_int_reg; | |
519 | ||
520 | netxen_set_msix_bit(pdev, 0); | |
521 | ||
522 | if (adapter->msix_supported) { | |
523 | ||
be339aee DP |
524 | netxen_init_msix_entries(adapter, num_msix); |
525 | err = pci_enable_msix(pdev, adapter->msix_entries, num_msix); | |
526 | if (err == 0) { | |
527 | adapter->flags |= NETXEN_NIC_MSIX_ENABLED; | |
528 | netxen_set_msix_bit(pdev, 1); | |
97daee83 | 529 | |
be339aee DP |
530 | if (adapter->rss_supported) |
531 | adapter->max_sds_rings = num_msix; | |
97daee83 | 532 | |
be339aee DP |
533 | dev_info(&pdev->dev, "using msi-x interrupts\n"); |
534 | return; | |
535 | } | |
536 | ||
537 | if (err > 0) | |
538 | pci_disable_msix(pdev); | |
539 | ||
540 | /* fall through for msi */ | |
97daee83 | 541 | } |
be339aee DP |
542 | |
543 | if (use_msi && !pci_enable_msi(pdev)) { | |
544 | adapter->flags |= NETXEN_NIC_MSI_ENABLED; | |
545 | adapter->msi_tgt_status = | |
546 | msi_tgt_status[adapter->ahw.pci_func]; | |
547 | dev_info(&pdev->dev, "using msi interrupts\n"); | |
f67f3408 | 548 | adapter->msix_entries[0].vector = pdev->irq; |
be339aee DP |
549 | return; |
550 | } | |
551 | ||
552 | dev_info(&pdev->dev, "using legacy interrupts\n"); | |
553 | adapter->msix_entries[0].vector = pdev->irq; | |
97daee83 DP |
554 | } |
555 | ||
556 | static void | |
557 | netxen_teardown_intr(struct netxen_adapter *adapter) | |
558 | { | |
559 | if (adapter->flags & NETXEN_NIC_MSIX_ENABLED) | |
560 | pci_disable_msix(adapter->pdev); | |
561 | if (adapter->flags & NETXEN_NIC_MSI_ENABLED) | |
562 | pci_disable_msi(adapter->pdev); | |
563 | } | |
564 | ||
565 | static void | |
566 | netxen_cleanup_pci_map(struct netxen_adapter *adapter) | |
567 | { | |
568 | if (adapter->ahw.db_base != NULL) | |
569 | iounmap(adapter->ahw.db_base); | |
570 | if (adapter->ahw.pci_base0 != NULL) | |
571 | iounmap(adapter->ahw.pci_base0); | |
572 | if (adapter->ahw.pci_base1 != NULL) | |
573 | iounmap(adapter->ahw.pci_base1); | |
574 | if (adapter->ahw.pci_base2 != NULL) | |
575 | iounmap(adapter->ahw.pci_base2); | |
576 | } | |
577 | ||
578 | static int | |
579 | netxen_setup_pci_map(struct netxen_adapter *adapter) | |
580 | { | |
581 | void __iomem *mem_ptr0 = NULL; | |
582 | void __iomem *mem_ptr1 = NULL; | |
583 | void __iomem *mem_ptr2 = NULL; | |
584 | void __iomem *db_ptr = NULL; | |
585 | ||
97daee83 DP |
586 | unsigned long mem_base, mem_len, db_base, db_len = 0, pci_len0 = 0; |
587 | ||
588 | struct pci_dev *pdev = adapter->pdev; | |
589 | int pci_func = adapter->ahw.pci_func; | |
590 | ||
591 | int err = 0; | |
592 | ||
593 | /* | |
594 | * Set the CRB window to invalid. If any register in window 0 is | |
595 | * accessed it should set the window to 0 and then reset it to 1. | |
596 | */ | |
597 | adapter->curr_window = 255; | |
598 | adapter->ahw.qdr_sn_window = -1; | |
599 | adapter->ahw.ddr_mn_window = -1; | |
600 | ||
601 | /* remap phys address */ | |
602 | mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */ | |
603 | mem_len = pci_resource_len(pdev, 0); | |
604 | pci_len0 = 0; | |
605 | ||
606 | adapter->hw_write_wx = netxen_nic_hw_write_wx_128M; | |
607 | adapter->hw_read_wx = netxen_nic_hw_read_wx_128M; | |
608 | adapter->pci_read_immediate = netxen_nic_pci_read_immediate_128M; | |
609 | adapter->pci_write_immediate = netxen_nic_pci_write_immediate_128M; | |
97daee83 DP |
610 | adapter->pci_set_window = netxen_nic_pci_set_window_128M; |
611 | adapter->pci_mem_read = netxen_nic_pci_mem_read_128M; | |
612 | adapter->pci_mem_write = netxen_nic_pci_mem_write_128M; | |
613 | ||
614 | /* 128 Meg of memory */ | |
615 | if (mem_len == NETXEN_PCI_128MB_SIZE) { | |
616 | mem_ptr0 = ioremap(mem_base, FIRST_PAGE_GROUP_SIZE); | |
617 | mem_ptr1 = ioremap(mem_base + SECOND_PAGE_GROUP_START, | |
618 | SECOND_PAGE_GROUP_SIZE); | |
619 | mem_ptr2 = ioremap(mem_base + THIRD_PAGE_GROUP_START, | |
620 | THIRD_PAGE_GROUP_SIZE); | |
97daee83 DP |
621 | } else if (mem_len == NETXEN_PCI_32MB_SIZE) { |
622 | mem_ptr1 = ioremap(mem_base, SECOND_PAGE_GROUP_SIZE); | |
623 | mem_ptr2 = ioremap(mem_base + THIRD_PAGE_GROUP_START - | |
624 | SECOND_PAGE_GROUP_START, THIRD_PAGE_GROUP_SIZE); | |
97daee83 DP |
625 | } else if (mem_len == NETXEN_PCI_2MB_SIZE) { |
626 | adapter->hw_write_wx = netxen_nic_hw_write_wx_2M; | |
627 | adapter->hw_read_wx = netxen_nic_hw_read_wx_2M; | |
628 | adapter->pci_read_immediate = netxen_nic_pci_read_immediate_2M; | |
629 | adapter->pci_write_immediate = | |
630 | netxen_nic_pci_write_immediate_2M; | |
97daee83 DP |
631 | adapter->pci_set_window = netxen_nic_pci_set_window_2M; |
632 | adapter->pci_mem_read = netxen_nic_pci_mem_read_2M; | |
633 | adapter->pci_mem_write = netxen_nic_pci_mem_write_2M; | |
634 | ||
635 | mem_ptr0 = pci_ioremap_bar(pdev, 0); | |
636 | if (mem_ptr0 == NULL) { | |
637 | dev_err(&pdev->dev, "failed to map PCI bar 0\n"); | |
638 | return -EIO; | |
639 | } | |
640 | pci_len0 = mem_len; | |
97daee83 DP |
641 | |
642 | adapter->ahw.ddr_mn_window = 0; | |
643 | adapter->ahw.qdr_sn_window = 0; | |
644 | ||
645 | adapter->ahw.mn_win_crb = 0x100000 + PCIX_MN_WINDOW + | |
646 | (pci_func * 0x20); | |
647 | adapter->ahw.ms_win_crb = 0x100000 + PCIX_SN_WINDOW; | |
648 | if (pci_func < 4) | |
649 | adapter->ahw.ms_win_crb += (pci_func * 0x20); | |
650 | else | |
651 | adapter->ahw.ms_win_crb += | |
652 | 0xA0 + ((pci_func - 4) * 0x10); | |
653 | } else { | |
654 | return -EIO; | |
655 | } | |
656 | ||
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 | ||
ba599d4f | 695 | static int |
f7185c71 | 696 | netxen_start_firmware(struct netxen_adapter *adapter, int request_fw) |
ba599d4f DP |
697 | { |
698 | int val, err, first_boot; | |
699 | struct pci_dev *pdev = adapter->pdev; | |
700 | ||
0b72e659 | 701 | int first_driver = 0; |
f7185c71 DP |
702 | |
703 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) | |
704 | first_driver = (adapter->portnum == 0); | |
705 | else | |
706 | first_driver = (adapter->ahw.pci_func == 0); | |
0b72e659 DP |
707 | |
708 | if (!first_driver) | |
96f2ebd2 | 709 | goto wait_init; |
0b72e659 | 710 | |
f98a9f69 | 711 | first_boot = NXRD32(adapter, NETXEN_CAM_RAM(0x1fc)); |
ba599d4f DP |
712 | |
713 | err = netxen_check_hw_init(adapter, first_boot); | |
714 | if (err) { | |
715 | dev_err(&pdev->dev, "error in init HW init sequence\n"); | |
716 | return err; | |
717 | } | |
718 | ||
f7185c71 DP |
719 | if (request_fw) |
720 | netxen_request_firmware(adapter); | |
721 | ||
67c38fc6 DP |
722 | err = netxen_need_fw_reset(adapter); |
723 | if (err <= 0) | |
724 | return err; | |
725 | ||
ba599d4f | 726 | if (first_boot != 0x55555555) { |
f98a9f69 | 727 | NXWR32(adapter, CRB_CMDPEG_STATE, 0); |
ba599d4f DP |
728 | netxen_pinit_from_rom(adapter, 0); |
729 | msleep(1); | |
730 | } | |
567c6c4e | 731 | |
f98a9f69 | 732 | NXWR32(adapter, CRB_DMA_SHIFT, 0x55555555); |
567c6c4e DP |
733 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) |
734 | netxen_set_port_mode(adapter); | |
735 | ||
ba599d4f DP |
736 | netxen_load_firmware(adapter); |
737 | ||
738 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { | |
739 | ||
740 | /* Initialize multicast addr pool owners */ | |
741 | val = 0x7654; | |
1e2d0059 | 742 | if (adapter->ahw.port_type == NETXEN_NIC_XGBE) |
ba599d4f | 743 | val |= 0x0f000000; |
f98a9f69 | 744 | NXWR32(adapter, NETXEN_MAC_ADDR_CNTL_REG, val); |
ba599d4f DP |
745 | |
746 | } | |
747 | ||
748 | err = netxen_initialize_adapter_offload(adapter); | |
749 | if (err) | |
750 | return err; | |
751 | ||
752 | /* | |
753 | * Tell the hardware our version number. | |
754 | */ | |
755 | val = (_NETXEN_NIC_LINUX_MAJOR << 16) | |
756 | | ((_NETXEN_NIC_LINUX_MINOR << 8)) | |
757 | | (_NETXEN_NIC_LINUX_SUBVERSION); | |
f98a9f69 | 758 | NXWR32(adapter, CRB_DRIVER_VERSION, val); |
ba599d4f | 759 | |
96f2ebd2 | 760 | wait_init: |
ba599d4f DP |
761 | /* Handshake with the card before we register the devices. */ |
762 | err = netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE); | |
763 | if (err) { | |
764 | netxen_free_adapter_offload(adapter); | |
765 | return err; | |
766 | } | |
767 | ||
68b3cae0 DP |
768 | nx_update_dma_mask(adapter); |
769 | ||
770 | netxen_nic_get_firmware_info(adapter); | |
771 | ||
ba599d4f DP |
772 | return 0; |
773 | } | |
774 | ||
9f5bc7f1 DP |
775 | static int |
776 | netxen_nic_request_irq(struct netxen_adapter *adapter) | |
777 | { | |
778 | irq_handler_t handler; | |
d8b100c5 DP |
779 | struct nx_host_sds_ring *sds_ring; |
780 | int err, ring; | |
781 | ||
9f5bc7f1 DP |
782 | unsigned long flags = IRQF_SAMPLE_RANDOM; |
783 | struct net_device *netdev = adapter->netdev; | |
d8b100c5 | 784 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; |
9f5bc7f1 | 785 | |
9f5bc7f1 DP |
786 | if (adapter->flags & NETXEN_NIC_MSIX_ENABLED) |
787 | handler = netxen_msix_intr; | |
788 | else if (adapter->flags & NETXEN_NIC_MSI_ENABLED) | |
789 | handler = netxen_msi_intr; | |
790 | else { | |
791 | flags |= IRQF_SHARED; | |
792 | handler = netxen_intr; | |
793 | } | |
794 | adapter->irq = netdev->irq; | |
795 | ||
d8b100c5 DP |
796 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
797 | sds_ring = &recv_ctx->sds_rings[ring]; | |
be339aee | 798 | sprintf(sds_ring->name, "%s[%d]", netdev->name, ring); |
d8b100c5 DP |
799 | err = request_irq(sds_ring->irq, handler, |
800 | flags, sds_ring->name, sds_ring); | |
801 | if (err) | |
802 | return err; | |
803 | } | |
804 | ||
805 | return 0; | |
806 | } | |
807 | ||
808 | static void | |
809 | netxen_nic_free_irq(struct netxen_adapter *adapter) | |
810 | { | |
811 | int ring; | |
812 | struct nx_host_sds_ring *sds_ring; | |
813 | ||
814 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; | |
815 | ||
816 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
817 | sds_ring = &recv_ctx->sds_rings[ring]; | |
818 | free_irq(sds_ring->irq, sds_ring); | |
819 | } | |
9f5bc7f1 DP |
820 | } |
821 | ||
822 | static int | |
823 | netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev) | |
824 | { | |
825 | int err; | |
826 | ||
827 | err = adapter->init_port(adapter, adapter->physical_port); | |
828 | if (err) { | |
829 | printk(KERN_ERR "%s: Failed to initialize port %d\n", | |
830 | netxen_nic_driver_name, adapter->portnum); | |
831 | return err; | |
832 | } | |
3d0a3cc9 DP |
833 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) |
834 | adapter->macaddr_set(adapter, netdev->dev_addr); | |
9f5bc7f1 | 835 | |
3d0a3cc9 DP |
836 | adapter->set_multi(netdev); |
837 | adapter->set_mtu(adapter, netdev->mtu); | |
9f5bc7f1 DP |
838 | |
839 | adapter->ahw.linkup = 0; | |
9f5bc7f1 | 840 | |
d8b100c5 DP |
841 | if (adapter->max_sds_rings > 1) |
842 | netxen_config_rss(adapter, 1); | |
9f5bc7f1 | 843 | |
b2af9cb0 DP |
844 | netxen_napi_enable(adapter); |
845 | ||
5103c9f7 | 846 | if (adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION) |
3bf26ce3 | 847 | netxen_linkevent_request(adapter, 1); |
3d0a3cc9 DP |
848 | else |
849 | netxen_nic_set_link_parameters(adapter); | |
850 | ||
851 | mod_timer(&adapter->watchdog_timer, jiffies); | |
3bf26ce3 | 852 | |
9f5bc7f1 DP |
853 | return 0; |
854 | } | |
855 | ||
856 | static void | |
857 | netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev) | |
858 | { | |
b2af9cb0 | 859 | spin_lock(&adapter->tx_clean_lock); |
9f5bc7f1 | 860 | netif_carrier_off(netdev); |
b2af9cb0 | 861 | netif_tx_disable(netdev); |
9f5bc7f1 DP |
862 | |
863 | if (adapter->stop_port) | |
864 | adapter->stop_port(adapter); | |
865 | ||
5cf4d323 DP |
866 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) |
867 | netxen_p3_free_mac_list(adapter); | |
868 | ||
be339aee DP |
869 | netxen_napi_disable(adapter); |
870 | ||
9f5bc7f1 | 871 | netxen_release_tx_buffers(adapter); |
b2af9cb0 | 872 | spin_unlock(&adapter->tx_clean_lock); |
9f5bc7f1 | 873 | |
9f5bc7f1 | 874 | del_timer_sync(&adapter->watchdog_timer); |
b2af9cb0 | 875 | FLUSH_SCHEDULED_WORK(); |
9f5bc7f1 DP |
876 | } |
877 | ||
878 | ||
879 | static int | |
880 | netxen_nic_attach(struct netxen_adapter *adapter) | |
881 | { | |
882 | struct net_device *netdev = adapter->netdev; | |
883 | struct pci_dev *pdev = adapter->pdev; | |
becf46a0 | 884 | int err, ring; |
d8b100c5 | 885 | struct nx_host_rds_ring *rds_ring; |
d877f1e3 | 886 | struct nx_host_tx_ring *tx_ring; |
9f5bc7f1 DP |
887 | |
888 | err = netxen_init_firmware(adapter); | |
889 | if (err != 0) { | |
890 | printk(KERN_ERR "Failed to init firmware\n"); | |
891 | return -EIO; | |
892 | } | |
893 | ||
894 | if (adapter->fw_major < 4) | |
895 | adapter->max_rds_rings = 3; | |
896 | else | |
897 | adapter->max_rds_rings = 2; | |
898 | ||
899 | err = netxen_alloc_sw_resources(adapter); | |
900 | if (err) { | |
901 | printk(KERN_ERR "%s: Error in setting sw resources\n", | |
902 | netdev->name); | |
903 | return err; | |
904 | } | |
905 | ||
906 | netxen_nic_clear_stats(adapter); | |
907 | ||
908 | err = netxen_alloc_hw_resources(adapter); | |
909 | if (err) { | |
910 | printk(KERN_ERR "%s: Error in setting hw resources\n", | |
911 | netdev->name); | |
912 | goto err_out_free_sw; | |
913 | } | |
914 | ||
915 | if (adapter->fw_major < 4) { | |
4ea528a1 | 916 | tx_ring = adapter->tx_ring; |
d877f1e3 DP |
917 | tx_ring->crb_cmd_producer = crb_cmd_producer[adapter->portnum]; |
918 | tx_ring->crb_cmd_consumer = crb_cmd_consumer[adapter->portnum]; | |
9f5bc7f1 | 919 | |
cb2107be DP |
920 | tx_ring->producer = 0; |
921 | tx_ring->sw_consumer = 0; | |
922 | ||
923 | netxen_nic_update_cmd_producer(adapter, tx_ring); | |
924 | netxen_nic_update_cmd_consumer(adapter, tx_ring); | |
9f5bc7f1 DP |
925 | } |
926 | ||
d8b100c5 DP |
927 | for (ring = 0; ring < adapter->max_rds_rings; ring++) { |
928 | rds_ring = &adapter->recv_ctx.rds_rings[ring]; | |
929 | netxen_post_rx_buffers(adapter, ring, rds_ring); | |
930 | } | |
9f5bc7f1 DP |
931 | |
932 | err = netxen_nic_request_irq(adapter); | |
933 | if (err) { | |
934 | dev_err(&pdev->dev, "%s: failed to setup interrupt\n", | |
935 | netdev->name); | |
936 | goto err_out_free_rxbuf; | |
937 | } | |
938 | ||
939 | adapter->is_up = NETXEN_ADAPTER_UP_MAGIC; | |
940 | return 0; | |
941 | ||
942 | err_out_free_rxbuf: | |
943 | netxen_release_rx_buffers(adapter); | |
944 | netxen_free_hw_resources(adapter); | |
945 | err_out_free_sw: | |
946 | netxen_free_sw_resources(adapter); | |
947 | return err; | |
948 | } | |
949 | ||
950 | static void | |
951 | netxen_nic_detach(struct netxen_adapter *adapter) | |
952 | { | |
9f5bc7f1 | 953 | netxen_free_hw_resources(adapter); |
cf981ffb | 954 | netxen_release_rx_buffers(adapter); |
be339aee | 955 | netxen_nic_free_irq(adapter); |
9f5bc7f1 DP |
956 | netxen_free_sw_resources(adapter); |
957 | ||
958 | adapter->is_up = 0; | |
959 | } | |
960 | ||
3d396eb1 AK |
961 | static int __devinit |
962 | netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) | |
963 | { | |
964 | struct net_device *netdev = NULL; | |
965 | struct netxen_adapter *adapter = NULL; | |
2956640d | 966 | int i = 0, err; |
3176ff3e | 967 | int pci_func_id = PCI_FUNC(pdev->devfn); |
2956640d | 968 | uint8_t revision_id; |
3d396eb1 | 969 | |
3176ff3e | 970 | if (pdev->class != 0x020000) { |
dcd56fdb | 971 | printk(KERN_DEBUG "NetXen function %d, class %x will not " |
3176ff3e | 972 | "be enabled.\n",pci_func_id, pdev->class); |
ed25ffa1 AK |
973 | return -ENODEV; |
974 | } | |
2956640d | 975 | |
11d89d63 DP |
976 | if (pdev->revision >= NX_P3_A0 && pdev->revision < NX_P3_B1) { |
977 | printk(KERN_WARNING "NetXen chip revisions between 0x%x-0x%x" | |
978 | "will not be enabled.\n", | |
979 | NX_P3_A0, NX_P3_B1); | |
980 | return -ENODEV; | |
981 | } | |
982 | ||
3d396eb1 AK |
983 | if ((err = pci_enable_device(pdev))) |
984 | return err; | |
2956640d | 985 | |
3d396eb1 AK |
986 | if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { |
987 | err = -ENODEV; | |
988 | goto err_out_disable_pdev; | |
989 | } | |
990 | ||
991 | if ((err = pci_request_regions(pdev, netxen_nic_driver_name))) | |
992 | goto err_out_disable_pdev; | |
993 | ||
994 | pci_set_master(pdev); | |
3176ff3e MT |
995 | |
996 | netdev = alloc_etherdev(sizeof(struct netxen_adapter)); | |
997 | if(!netdev) { | |
998 | printk(KERN_ERR"%s: Failed to allocate memory for the " | |
999 | "device block.Check system memory resource" | |
1000 | " usage.\n", netxen_nic_driver_name); | |
1001 | goto err_out_free_res; | |
1002 | } | |
1003 | ||
3176ff3e MT |
1004 | SET_NETDEV_DEV(netdev, &pdev->dev); |
1005 | ||
4cf1653a | 1006 | adapter = netdev_priv(netdev); |
2956640d DP |
1007 | adapter->netdev = netdev; |
1008 | adapter->pdev = pdev; | |
13ba9c77 | 1009 | adapter->ahw.pci_func = pci_func_id; |
2956640d DP |
1010 | |
1011 | revision_id = pdev->revision; | |
1012 | adapter->ahw.revision_id = revision_id; | |
1013 | ||
1014 | err = nx_set_dma_mask(adapter, revision_id); | |
1015 | if (err) | |
1016 | goto err_out_free_netdev; | |
1017 | ||
3ce06a32 | 1018 | rwlock_init(&adapter->adapter_lock); |
d8b100c5 | 1019 | spin_lock_init(&adapter->tx_clean_lock); |
5cf4d323 | 1020 | INIT_LIST_HEAD(&adapter->mac_list); |
3ce06a32 | 1021 | |
97daee83 DP |
1022 | err = netxen_setup_pci_map(adapter); |
1023 | if (err) | |
6c80b18d | 1024 | goto err_out_free_netdev; |
3d396eb1 | 1025 | |
2d1a3bbd | 1026 | /* This will be reset for mezz cards */ |
3176ff3e | 1027 | adapter->portnum = pci_func_id; |
200eef20 | 1028 | adapter->rx_csum = 1; |
623621b0 | 1029 | adapter->mc_enabled = 0; |
83821a07 | 1030 | if (NX_IS_REVISION_P3(revision_id)) |
2956640d | 1031 | adapter->max_mc_count = 38; |
83821a07 | 1032 | else |
2956640d | 1033 | adapter->max_mc_count = 16; |
3176ff3e | 1034 | |
1abd266f | 1035 | netdev->netdev_ops = &netxen_netdev_ops; |
05aaa02d | 1036 | netdev->watchdog_timeo = 2*HZ; |
3176ff3e MT |
1037 | |
1038 | netxen_nic_change_mtu(netdev, netdev->mtu); | |
1039 | ||
1040 | SET_ETHTOOL_OPS(netdev, &netxen_nic_ethtool_ops); | |
1abd266f | 1041 | |
cdff1036 | 1042 | netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO); |
a92e9e65 | 1043 | netdev->features |= (NETIF_F_GRO); |
cdff1036 DP |
1044 | netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO); |
1045 | ||
cd1f8160 | 1046 | if (NX_IS_REVISION_P3(revision_id)) { |
cdff1036 DP |
1047 | netdev->features |= (NETIF_F_IPV6_CSUM | NETIF_F_TSO6); |
1048 | netdev->vlan_features |= (NETIF_F_IPV6_CSUM | NETIF_F_TSO6); | |
cd1f8160 | 1049 | } |
3176ff3e | 1050 | |
cdff1036 | 1051 | if (adapter->pci_using_dac) { |
3176ff3e | 1052 | netdev->features |= NETIF_F_HIGHDMA; |
cdff1036 DP |
1053 | netdev->vlan_features |= NETIF_F_HIGHDMA; |
1054 | } | |
3176ff3e | 1055 | |
dcd56fdb DP |
1056 | if (netxen_nic_get_board_info(adapter) != 0) { |
1057 | printk("%s: Error getting board config info.\n", | |
2956640d | 1058 | netxen_nic_driver_name); |
dcd56fdb DP |
1059 | err = -EIO; |
1060 | goto err_out_iounmap; | |
1061 | } | |
6c80b18d | 1062 | |
6c80b18d MT |
1063 | netxen_initialize_adapter_ops(adapter); |
1064 | ||
13ba9c77 | 1065 | /* Mezz cards have PCI function 0,2,3 enabled */ |
1e2d0059 | 1066 | switch (adapter->ahw.board_type) { |
dc515f2e DP |
1067 | case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ: |
1068 | case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ: | |
1069 | if (pci_func_id >= 2) | |
13ba9c77 | 1070 | adapter->portnum = pci_func_id - 2; |
dc515f2e DP |
1071 | break; |
1072 | default: | |
1073 | break; | |
1074 | } | |
13ba9c77 | 1075 | |
f7185c71 | 1076 | err = netxen_start_firmware(adapter, 1); |
0b72e659 DP |
1077 | if (err) |
1078 | goto err_out_iounmap; | |
3d396eb1 | 1079 | /* |
6c80b18d | 1080 | * See if the firmware gave us a virtual-physical port mapping. |
3d396eb1 | 1081 | */ |
dcd56fdb | 1082 | adapter->physical_port = adapter->portnum; |
044fad0d | 1083 | if (adapter->fw_major < 4) { |
f98a9f69 | 1084 | i = NXRD32(adapter, CRB_V2P(adapter->portnum)); |
044fad0d DP |
1085 | if (i != 0x55555555) |
1086 | adapter->physical_port = i; | |
1087 | } | |
6c80b18d | 1088 | |
438627c7 | 1089 | netxen_check_options(adapter); |
2956640d | 1090 | |
97daee83 | 1091 | netxen_setup_intr(adapter); |
2956640d | 1092 | |
d8b100c5 DP |
1093 | netdev->irq = adapter->msix_entries[0].vector; |
1094 | ||
71dcddbd DP |
1095 | if (netxen_napi_add(adapter, netdev)) |
1096 | goto err_out_disable_msi; | |
2956640d | 1097 | |
2956640d | 1098 | init_timer(&adapter->watchdog_timer); |
2956640d DP |
1099 | adapter->watchdog_timer.function = &netxen_watchdog; |
1100 | adapter->watchdog_timer.data = (unsigned long)adapter; | |
1101 | INIT_WORK(&adapter->watchdog_task, netxen_watchdog_task); | |
1102 | INIT_WORK(&adapter->tx_timeout_task, netxen_tx_timeout_task); | |
1103 | ||
9dc28efe DP |
1104 | err = netxen_read_mac_addr(adapter); |
1105 | if (err) | |
1106 | dev_warn(&pdev->dev, "failed to read mac addr\n"); | |
2956640d | 1107 | |
3176ff3e MT |
1108 | netif_carrier_off(netdev); |
1109 | netif_stop_queue(netdev); | |
1110 | ||
6c80b18d MT |
1111 | if ((err = register_netdev(netdev))) { |
1112 | printk(KERN_ERR "%s: register_netdev failed port #%d" | |
1113 | " aborting\n", netxen_nic_driver_name, | |
1114 | adapter->portnum); | |
1115 | err = -EIO; | |
2956640d | 1116 | goto err_out_disable_msi; |
6c80b18d MT |
1117 | } |
1118 | ||
1119 | pci_set_drvdata(pdev, adapter); | |
3d396eb1 | 1120 | |
1e2d0059 | 1121 | switch (adapter->ahw.port_type) { |
2956640d DP |
1122 | case NETXEN_NIC_GBE: |
1123 | dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", | |
1124 | adapter->netdev->name); | |
1125 | break; | |
1126 | case NETXEN_NIC_XGBE: | |
1127 | dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", | |
1128 | adapter->netdev->name); | |
1129 | break; | |
3d396eb1 | 1130 | } |
3d396eb1 | 1131 | |
2956640d DP |
1132 | return 0; |
1133 | ||
1134 | err_out_disable_msi: | |
97daee83 | 1135 | netxen_teardown_intr(adapter); |
6c80b18d | 1136 | |
0b72e659 | 1137 | netxen_free_adapter_offload(adapter); |
3d396eb1 | 1138 | |
2956640d | 1139 | err_out_iounmap: |
97daee83 | 1140 | netxen_cleanup_pci_map(adapter); |
cb8011ad | 1141 | |
6c80b18d MT |
1142 | err_out_free_netdev: |
1143 | free_netdev(netdev); | |
1144 | ||
1145 | err_out_free_res: | |
3d396eb1 | 1146 | pci_release_regions(pdev); |
6c80b18d MT |
1147 | |
1148 | err_out_disable_pdev: | |
2956640d | 1149 | pci_set_drvdata(pdev, NULL); |
3d396eb1 AK |
1150 | pci_disable_device(pdev); |
1151 | return err; | |
1152 | } | |
1153 | ||
1154 | static void __devexit netxen_nic_remove(struct pci_dev *pdev) | |
1155 | { | |
1156 | struct netxen_adapter *adapter; | |
3176ff3e | 1157 | struct net_device *netdev; |
3d396eb1 | 1158 | |
6c80b18d | 1159 | adapter = pci_get_drvdata(pdev); |
3d396eb1 AK |
1160 | if (adapter == NULL) |
1161 | return; | |
1162 | ||
6c80b18d MT |
1163 | netdev = adapter->netdev; |
1164 | ||
96acb6eb DP |
1165 | unregister_netdev(netdev); |
1166 | ||
96acb6eb | 1167 | if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) { |
9f5bc7f1 | 1168 | netxen_nic_detach(adapter); |
96acb6eb | 1169 | } |
3d396eb1 | 1170 | |
439b454e DP |
1171 | if (adapter->portnum == 0) |
1172 | netxen_free_adapter_offload(adapter); | |
96acb6eb | 1173 | |
97daee83 | 1174 | netxen_teardown_intr(adapter); |
71dcddbd | 1175 | netxen_free_sds_rings(&adapter->recv_ctx); |
3052246c | 1176 | |
97daee83 | 1177 | netxen_cleanup_pci_map(adapter); |
595e3fb8 | 1178 | |
f7185c71 DP |
1179 | netxen_release_firmware(adapter); |
1180 | ||
595e3fb8 | 1181 | pci_release_regions(pdev); |
3052246c | 1182 | pci_disable_device(pdev); |
595e3fb8 MT |
1183 | pci_set_drvdata(pdev, NULL); |
1184 | ||
6c80b18d | 1185 | free_netdev(netdev); |
3d396eb1 AK |
1186 | } |
1187 | ||
01542cd1 | 1188 | #ifdef CONFIG_PM |
0b72e659 DP |
1189 | static int |
1190 | netxen_nic_suspend(struct pci_dev *pdev, pm_message_t state) | |
1191 | { | |
1192 | ||
1193 | struct netxen_adapter *adapter = pci_get_drvdata(pdev); | |
1194 | struct net_device *netdev = adapter->netdev; | |
1195 | ||
1196 | netif_device_detach(netdev); | |
1197 | ||
1198 | if (netif_running(netdev)) | |
1199 | netxen_nic_down(adapter, netdev); | |
1200 | ||
1201 | if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) | |
1202 | netxen_nic_detach(adapter); | |
1203 | ||
1204 | pci_save_state(pdev); | |
1205 | ||
1206 | if (netxen_nic_wol_supported(adapter)) { | |
1207 | pci_enable_wake(pdev, PCI_D3cold, 1); | |
1208 | pci_enable_wake(pdev, PCI_D3hot, 1); | |
1209 | } | |
1210 | ||
1211 | pci_disable_device(pdev); | |
1212 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); | |
1213 | ||
1214 | return 0; | |
1215 | } | |
1216 | ||
1217 | static int | |
1218 | netxen_nic_resume(struct pci_dev *pdev) | |
1219 | { | |
1220 | struct netxen_adapter *adapter = pci_get_drvdata(pdev); | |
1221 | struct net_device *netdev = adapter->netdev; | |
1222 | int err; | |
1223 | ||
1224 | pci_set_power_state(pdev, PCI_D0); | |
1225 | pci_restore_state(pdev); | |
1226 | ||
1227 | err = pci_enable_device(pdev); | |
1228 | if (err) | |
1229 | return err; | |
1230 | ||
1231 | adapter->curr_window = 255; | |
1232 | ||
f7185c71 | 1233 | err = netxen_start_firmware(adapter, 0); |
0b72e659 DP |
1234 | if (err) { |
1235 | dev_err(&pdev->dev, "failed to start firmware\n"); | |
1236 | return err; | |
1237 | } | |
1238 | ||
1239 | if (netif_running(netdev)) { | |
1240 | err = netxen_nic_attach(adapter); | |
1241 | if (err) | |
1242 | return err; | |
1243 | ||
1244 | err = netxen_nic_up(adapter, netdev); | |
1245 | if (err) | |
1246 | return err; | |
1247 | ||
1248 | netif_device_attach(netdev); | |
1249 | } | |
1250 | ||
1251 | return 0; | |
1252 | } | |
01542cd1 | 1253 | #endif |
0b72e659 | 1254 | |
3d396eb1 AK |
1255 | static int netxen_nic_open(struct net_device *netdev) |
1256 | { | |
4cf1653a | 1257 | struct netxen_adapter *adapter = netdev_priv(netdev); |
3d396eb1 | 1258 | int err = 0; |
3d396eb1 | 1259 | |
dcd56fdb DP |
1260 | if (adapter->driver_mismatch) |
1261 | return -EIO; | |
1262 | ||
3d396eb1 | 1263 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) { |
9f5bc7f1 DP |
1264 | err = netxen_nic_attach(adapter); |
1265 | if (err) | |
3d396eb1 | 1266 | return err; |
ed25ffa1 | 1267 | } |
2956640d | 1268 | |
9f5bc7f1 DP |
1269 | err = netxen_nic_up(adapter, netdev); |
1270 | if (err) | |
1271 | goto err_out; | |
05aaa02d | 1272 | |
dcd56fdb | 1273 | netif_start_queue(netdev); |
3d396eb1 AK |
1274 | |
1275 | return 0; | |
2956640d | 1276 | |
9f5bc7f1 DP |
1277 | err_out: |
1278 | netxen_nic_detach(adapter); | |
2956640d | 1279 | return err; |
3d396eb1 AK |
1280 | } |
1281 | ||
1282 | /* | |
1283 | * netxen_nic_close - Disables a network interface entry point | |
1284 | */ | |
1285 | static int netxen_nic_close(struct net_device *netdev) | |
1286 | { | |
3176ff3e | 1287 | struct netxen_adapter *adapter = netdev_priv(netdev); |
3d396eb1 | 1288 | |
9f5bc7f1 | 1289 | netxen_nic_down(adapter, netdev); |
3d396eb1 AK |
1290 | return 0; |
1291 | } | |
1292 | ||
391587c3 | 1293 | static bool netxen_tso_check(struct net_device *netdev, |
cd1f8160 DP |
1294 | struct cmd_desc_type0 *desc, struct sk_buff *skb) |
1295 | { | |
391587c3 DP |
1296 | bool tso = false; |
1297 | u8 opcode = TX_ETHER_PKT; | |
cdff1036 DP |
1298 | __be16 protocol = skb->protocol; |
1299 | u16 flags = 0; | |
1300 | ||
09640e63 | 1301 | if (protocol == cpu_to_be16(ETH_P_8021Q)) { |
cdff1036 DP |
1302 | struct vlan_ethhdr *vh = (struct vlan_ethhdr *)skb->data; |
1303 | protocol = vh->h_vlan_encapsulated_proto; | |
1304 | flags = FLAGS_VLAN_TAGGED; | |
1305 | } | |
cd1f8160 | 1306 | |
391587c3 DP |
1307 | if ((netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) && |
1308 | skb_shinfo(skb)->gso_size > 0) { | |
1309 | ||
1310 | desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size); | |
1311 | desc->total_hdr_length = | |
1312 | skb_transport_offset(skb) + tcp_hdrlen(skb); | |
1313 | ||
09640e63 | 1314 | opcode = (protocol == cpu_to_be16(ETH_P_IPV6)) ? |
391587c3 DP |
1315 | TX_TCP_LSO6 : TX_TCP_LSO; |
1316 | tso = true; | |
cd1f8160 DP |
1317 | |
1318 | } else if (skb->ip_summed == CHECKSUM_PARTIAL) { | |
391587c3 DP |
1319 | u8 l4proto; |
1320 | ||
09640e63 | 1321 | if (protocol == cpu_to_be16(ETH_P_IP)) { |
391587c3 DP |
1322 | l4proto = ip_hdr(skb)->protocol; |
1323 | ||
1324 | if (l4proto == IPPROTO_TCP) | |
1325 | opcode = TX_TCP_PKT; | |
1326 | else if(l4proto == IPPROTO_UDP) | |
1327 | opcode = TX_UDP_PKT; | |
09640e63 | 1328 | } else if (protocol == cpu_to_be16(ETH_P_IPV6)) { |
391587c3 DP |
1329 | l4proto = ipv6_hdr(skb)->nexthdr; |
1330 | ||
1331 | if (l4proto == IPPROTO_TCP) | |
1332 | opcode = TX_TCPV6_PKT; | |
1333 | else if(l4proto == IPPROTO_UDP) | |
1334 | opcode = TX_UDPV6_PKT; | |
1335 | } | |
cd1f8160 DP |
1336 | } |
1337 | desc->tcp_hdr_offset = skb_transport_offset(skb); | |
1338 | desc->ip_hdr_offset = skb_network_offset(skb); | |
cdff1036 | 1339 | netxen_set_tx_flags_opcode(desc, flags, opcode); |
391587c3 | 1340 | return tso; |
cd1f8160 DP |
1341 | } |
1342 | ||
6f703406 DP |
1343 | static void |
1344 | netxen_clean_tx_dma_mapping(struct pci_dev *pdev, | |
1345 | struct netxen_cmd_buffer *pbuf, int last) | |
1346 | { | |
1347 | int k; | |
1348 | struct netxen_skb_frag *buffrag; | |
1349 | ||
1350 | buffrag = &pbuf->frag_array[0]; | |
1351 | pci_unmap_single(pdev, buffrag->dma, | |
1352 | buffrag->length, PCI_DMA_TODEVICE); | |
1353 | ||
1354 | for (k = 1; k < last; k++) { | |
1355 | buffrag = &pbuf->frag_array[k]; | |
1356 | pci_unmap_page(pdev, buffrag->dma, | |
1357 | buffrag->length, PCI_DMA_TODEVICE); | |
1358 | } | |
1359 | } | |
1360 | ||
d32cc3d2 DP |
1361 | static inline void |
1362 | netxen_clear_cmddesc(u64 *desc) | |
1363 | { | |
1364 | int i; | |
1365 | for (i = 0; i < 8; i++) | |
1366 | desc[i] = 0ULL; | |
1367 | } | |
1368 | ||
1369 | static int | |
1370 | netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) | |
3d396eb1 | 1371 | { |
3176ff3e | 1372 | struct netxen_adapter *adapter = netdev_priv(netdev); |
4ea528a1 | 1373 | struct nx_host_tx_ring *tx_ring = adapter->tx_ring; |
3d396eb1 | 1374 | unsigned int first_seg_len = skb->len - skb->data_len; |
391587c3 | 1375 | struct netxen_cmd_buffer *pbuf; |
3d396eb1 | 1376 | struct netxen_skb_frag *buffrag; |
391587c3 | 1377 | struct cmd_desc_type0 *hwdesc; |
6f703406 DP |
1378 | struct pci_dev *pdev = adapter->pdev; |
1379 | dma_addr_t temp_dma; | |
391587c3 | 1380 | int i, k; |
3d396eb1 | 1381 | |
cb2107be | 1382 | u32 producer; |
391587c3 | 1383 | int frag_count, no_of_desc; |
d877f1e3 | 1384 | u32 num_txd = tx_ring->num_desc; |
391587c3 | 1385 | bool is_tso = false; |
3d396eb1 | 1386 | |
3d396eb1 AK |
1387 | frag_count = skb_shinfo(skb)->nr_frags + 1; |
1388 | ||
d877f1e3 | 1389 | /* 4 fragments per cmd des */ |
3d396eb1 | 1390 | no_of_desc = (frag_count + 3) >> 2; |
53a01e00 | 1391 | |
cb2107be | 1392 | if (unlikely(no_of_desc + 2) > netxen_tx_avail(tx_ring)) { |
ba53e6b4 | 1393 | netif_stop_queue(netdev); |
ba53e6b4 | 1394 | return NETDEV_TX_BUSY; |
53a01e00 | 1395 | } |
3d396eb1 | 1396 | |
cb2107be DP |
1397 | producer = tx_ring->producer; |
1398 | ||
d877f1e3 | 1399 | hwdesc = &tx_ring->desc_head[producer]; |
d32cc3d2 | 1400 | netxen_clear_cmddesc((u64 *)hwdesc); |
d877f1e3 | 1401 | pbuf = &tx_ring->cmd_buf_arr[producer]; |
391587c3 DP |
1402 | |
1403 | is_tso = netxen_tso_check(netdev, hwdesc, skb); | |
1404 | ||
3d396eb1 | 1405 | pbuf->skb = skb; |
3d396eb1 | 1406 | pbuf->frag_count = frag_count; |
3d396eb1 | 1407 | buffrag = &pbuf->frag_array[0]; |
6f703406 | 1408 | temp_dma = pci_map_single(pdev, skb->data, first_seg_len, |
3d396eb1 | 1409 | PCI_DMA_TODEVICE); |
6f703406 DP |
1410 | if (pci_dma_mapping_error(pdev, temp_dma)) |
1411 | goto drop_packet; | |
1412 | ||
1413 | buffrag->dma = temp_dma; | |
3d396eb1 | 1414 | buffrag->length = first_seg_len; |
391587c3 DP |
1415 | netxen_set_tx_frags_len(hwdesc, frag_count, skb->len); |
1416 | netxen_set_tx_port(hwdesc, adapter->portnum); | |
3d396eb1 | 1417 | |
d32cc3d2 | 1418 | hwdesc->buffer_length[0] = cpu_to_le16(first_seg_len); |
3d396eb1 AK |
1419 | hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma); |
1420 | ||
1421 | for (i = 1, k = 1; i < frag_count; i++, k++) { | |
1422 | struct skb_frag_struct *frag; | |
1423 | int len, temp_len; | |
1424 | unsigned long offset; | |
3d396eb1 AK |
1425 | |
1426 | /* move to next desc. if there is a need */ | |
1427 | if ((i & 0x3) == 0) { | |
1428 | k = 0; | |
ba53e6b4 | 1429 | producer = get_next_index(producer, num_txd); |
d877f1e3 | 1430 | hwdesc = &tx_ring->desc_head[producer]; |
d32cc3d2 | 1431 | netxen_clear_cmddesc((u64 *)hwdesc); |
d877f1e3 | 1432 | pbuf = &tx_ring->cmd_buf_arr[producer]; |
53a01e00 | 1433 | pbuf->skb = NULL; |
3d396eb1 AK |
1434 | } |
1435 | frag = &skb_shinfo(skb)->frags[i - 1]; | |
1436 | len = frag->size; | |
1437 | offset = frag->page_offset; | |
1438 | ||
1439 | temp_len = len; | |
6f703406 | 1440 | temp_dma = pci_map_page(pdev, frag->page, offset, |
3d396eb1 | 1441 | len, PCI_DMA_TODEVICE); |
6f703406 DP |
1442 | if (pci_dma_mapping_error(pdev, temp_dma)) { |
1443 | netxen_clean_tx_dma_mapping(pdev, pbuf, i); | |
1444 | goto drop_packet; | |
1445 | } | |
3d396eb1 AK |
1446 | |
1447 | buffrag++; | |
1448 | buffrag->dma = temp_dma; | |
1449 | buffrag->length = temp_len; | |
1450 | ||
d32cc3d2 | 1451 | hwdesc->buffer_length[k] = cpu_to_le16(temp_len); |
3d396eb1 AK |
1452 | switch (k) { |
1453 | case 0: | |
3d396eb1 AK |
1454 | hwdesc->addr_buffer1 = cpu_to_le64(temp_dma); |
1455 | break; | |
1456 | case 1: | |
3d396eb1 AK |
1457 | hwdesc->addr_buffer2 = cpu_to_le64(temp_dma); |
1458 | break; | |
1459 | case 2: | |
3d396eb1 AK |
1460 | hwdesc->addr_buffer3 = cpu_to_le64(temp_dma); |
1461 | break; | |
1462 | case 3: | |
3d396eb1 AK |
1463 | hwdesc->addr_buffer4 = cpu_to_le64(temp_dma); |
1464 | break; | |
1465 | } | |
1466 | frag++; | |
1467 | } | |
ba53e6b4 | 1468 | producer = get_next_index(producer, num_txd); |
3d396eb1 | 1469 | |
3d396eb1 AK |
1470 | /* For LSO, we need to copy the MAC/IP/TCP headers into |
1471 | * the descriptor ring | |
1472 | */ | |
391587c3 | 1473 | if (is_tso) { |
3d396eb1 | 1474 | int hdr_len, first_hdr_len, more_hdr; |
391587c3 | 1475 | hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); |
ed25ffa1 AK |
1476 | if (hdr_len > (sizeof(struct cmd_desc_type0) - 2)) { |
1477 | first_hdr_len = sizeof(struct cmd_desc_type0) - 2; | |
3d396eb1 AK |
1478 | more_hdr = 1; |
1479 | } else { | |
1480 | first_hdr_len = hdr_len; | |
1481 | more_hdr = 0; | |
1482 | } | |
1483 | /* copy the MAC/IP/TCP headers to the cmd descriptor list */ | |
d877f1e3 DP |
1484 | hwdesc = &tx_ring->desc_head[producer]; |
1485 | pbuf = &tx_ring->cmd_buf_arr[producer]; | |
53a01e00 | 1486 | pbuf->skb = NULL; |
3d396eb1 AK |
1487 | |
1488 | /* copy the first 64 bytes */ | |
ed25ffa1 | 1489 | memcpy(((void *)hwdesc) + 2, |
3d396eb1 | 1490 | (void *)(skb->data), first_hdr_len); |
ba53e6b4 | 1491 | producer = get_next_index(producer, num_txd); |
3d396eb1 AK |
1492 | |
1493 | if (more_hdr) { | |
d877f1e3 DP |
1494 | hwdesc = &tx_ring->desc_head[producer]; |
1495 | pbuf = &tx_ring->cmd_buf_arr[producer]; | |
53a01e00 | 1496 | pbuf->skb = NULL; |
3d396eb1 AK |
1497 | /* copy the next 64 bytes - should be enough except |
1498 | * for pathological case | |
1499 | */ | |
d626f62b ACM |
1500 | skb_copy_from_linear_data_offset(skb, first_hdr_len, |
1501 | hwdesc, | |
1502 | (hdr_len - | |
1503 | first_hdr_len)); | |
ba53e6b4 | 1504 | producer = get_next_index(producer, num_txd); |
3d396eb1 AK |
1505 | } |
1506 | } | |
6c80b18d | 1507 | |
d877f1e3 | 1508 | tx_ring->producer = producer; |
5dc16268 | 1509 | adapter->stats.txbytes += skb->len; |
6c80b18d | 1510 | |
cb2107be | 1511 | netxen_nic_update_cmd_producer(adapter, tx_ring); |
3d396eb1 | 1512 | |
ba53e6b4 | 1513 | adapter->stats.xmitcalled++; |
3d396eb1 | 1514 | |
3d396eb1 | 1515 | return NETDEV_TX_OK; |
6f703406 DP |
1516 | |
1517 | drop_packet: | |
1518 | adapter->stats.txdropped++; | |
1519 | dev_kfree_skb_any(skb); | |
1520 | return NETDEV_TX_OK; | |
3d396eb1 AK |
1521 | } |
1522 | ||
a97342f9 DP |
1523 | static int netxen_nic_check_temp(struct netxen_adapter *adapter) |
1524 | { | |
1525 | struct net_device *netdev = adapter->netdev; | |
1526 | uint32_t temp, temp_state, temp_val; | |
1527 | int rv = 0; | |
1528 | ||
f98a9f69 | 1529 | temp = NXRD32(adapter, CRB_TEMP_STATE); |
a97342f9 DP |
1530 | |
1531 | temp_state = nx_get_temp_state(temp); | |
1532 | temp_val = nx_get_temp_val(temp); | |
1533 | ||
1534 | if (temp_state == NX_TEMP_PANIC) { | |
1535 | printk(KERN_ALERT | |
1536 | "%s: Device temperature %d degrees C exceeds" | |
1537 | " maximum allowed. Hardware has been shut down.\n", | |
e4135c2d DP |
1538 | netdev->name, temp_val); |
1539 | ||
1540 | netif_device_detach(netdev); | |
1541 | netxen_nic_down(adapter, netdev); | |
1542 | netxen_nic_detach(adapter); | |
a97342f9 | 1543 | |
a97342f9 DP |
1544 | rv = 1; |
1545 | } else if (temp_state == NX_TEMP_WARN) { | |
1546 | if (adapter->temp == NX_TEMP_NORMAL) { | |
1547 | printk(KERN_ALERT | |
1548 | "%s: Device temperature %d degrees C " | |
1549 | "exceeds operating range." | |
1550 | " Immediate action needed.\n", | |
e4135c2d | 1551 | netdev->name, temp_val); |
a97342f9 DP |
1552 | } |
1553 | } else { | |
1554 | if (adapter->temp == NX_TEMP_WARN) { | |
1555 | printk(KERN_INFO | |
1556 | "%s: Device temperature is now %d degrees C" | |
e4135c2d | 1557 | " in normal range.\n", netdev->name, |
a97342f9 DP |
1558 | temp_val); |
1559 | } | |
1560 | } | |
1561 | adapter->temp = temp_state; | |
1562 | return rv; | |
1563 | } | |
1564 | ||
3bf26ce3 | 1565 | void netxen_advert_link_change(struct netxen_adapter *adapter, int linkup) |
a97342f9 DP |
1566 | { |
1567 | struct net_device *netdev = adapter->netdev; | |
a97342f9 DP |
1568 | |
1569 | if (adapter->ahw.linkup && !linkup) { | |
1570 | printk(KERN_INFO "%s: %s NIC Link is down\n", | |
1571 | netxen_nic_driver_name, netdev->name); | |
1572 | adapter->ahw.linkup = 0; | |
1573 | if (netif_running(netdev)) { | |
1574 | netif_carrier_off(netdev); | |
1575 | netif_stop_queue(netdev); | |
1576 | } | |
c7860a2a | 1577 | |
3bf26ce3 DP |
1578 | if (!adapter->has_link_events) |
1579 | netxen_nic_set_link_parameters(adapter); | |
1580 | ||
a97342f9 DP |
1581 | } else if (!adapter->ahw.linkup && linkup) { |
1582 | printk(KERN_INFO "%s: %s NIC Link is up\n", | |
1583 | netxen_nic_driver_name, netdev->name); | |
1584 | adapter->ahw.linkup = 1; | |
1585 | if (netif_running(netdev)) { | |
1586 | netif_carrier_on(netdev); | |
1587 | netif_wake_queue(netdev); | |
1588 | } | |
c7860a2a | 1589 | |
3bf26ce3 DP |
1590 | if (!adapter->has_link_events) |
1591 | netxen_nic_set_link_parameters(adapter); | |
a97342f9 DP |
1592 | } |
1593 | } | |
1594 | ||
3bf26ce3 DP |
1595 | static void netxen_nic_handle_phy_intr(struct netxen_adapter *adapter) |
1596 | { | |
1597 | u32 val, port, linkup; | |
1598 | ||
1599 | port = adapter->physical_port; | |
1600 | ||
1601 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { | |
f98a9f69 | 1602 | val = NXRD32(adapter, CRB_XG_STATE_P3); |
3bf26ce3 DP |
1603 | val = XG_LINK_STATE_P3(adapter->ahw.pci_func, val); |
1604 | linkup = (val == XG_LINK_UP_P3); | |
1605 | } else { | |
f98a9f69 | 1606 | val = NXRD32(adapter, CRB_XG_STATE); |
3bf26ce3 DP |
1607 | if (adapter->ahw.port_type == NETXEN_NIC_GBE) |
1608 | linkup = (val >> port) & 1; | |
1609 | else { | |
1610 | val = (val >> port*8) & 0xff; | |
1611 | linkup = (val == XG_LINK_UP); | |
1612 | } | |
1613 | } | |
1614 | ||
1615 | netxen_advert_link_change(adapter, linkup); | |
1616 | } | |
1617 | ||
3d396eb1 AK |
1618 | static void netxen_watchdog(unsigned long v) |
1619 | { | |
1620 | struct netxen_adapter *adapter = (struct netxen_adapter *)v; | |
ed25ffa1 AK |
1621 | |
1622 | SCHEDULE_WORK(&adapter->watchdog_task); | |
3d396eb1 AK |
1623 | } |
1624 | ||
a97342f9 DP |
1625 | void netxen_watchdog_task(struct work_struct *work) |
1626 | { | |
1627 | struct netxen_adapter *adapter = | |
1628 | container_of(work, struct netxen_adapter, watchdog_task); | |
1629 | ||
e4135c2d | 1630 | if (netxen_nic_check_temp(adapter)) |
a97342f9 DP |
1631 | return; |
1632 | ||
3bf26ce3 DP |
1633 | if (!adapter->has_link_events) |
1634 | netxen_nic_handle_phy_intr(adapter); | |
a97342f9 | 1635 | |
922c4f2c DP |
1636 | if (netif_running(adapter->netdev)) |
1637 | mod_timer(&adapter->watchdog_timer, jiffies + 2 * HZ); | |
a97342f9 DP |
1638 | } |
1639 | ||
3d396eb1 AK |
1640 | static void netxen_tx_timeout(struct net_device *netdev) |
1641 | { | |
3176ff3e MT |
1642 | struct netxen_adapter *adapter = (struct netxen_adapter *) |
1643 | netdev_priv(netdev); | |
1644 | SCHEDULE_WORK(&adapter->tx_timeout_task); | |
3d396eb1 AK |
1645 | } |
1646 | ||
6d5aefb8 | 1647 | static void netxen_tx_timeout_task(struct work_struct *work) |
3d396eb1 | 1648 | { |
4790654c | 1649 | struct netxen_adapter *adapter = |
3176ff3e | 1650 | container_of(work, struct netxen_adapter, tx_timeout_task); |
3d396eb1 | 1651 | |
b2af9cb0 DP |
1652 | if (!netif_running(adapter->netdev)) |
1653 | return; | |
1654 | ||
3d396eb1 | 1655 | printk(KERN_ERR "%s %s: transmit timeout, resetting.\n", |
6c80b18d | 1656 | netxen_nic_driver_name, adapter->netdev->name); |
3d396eb1 | 1657 | |
d8b100c5 | 1658 | netxen_napi_disable(adapter); |
ba53e6b4 | 1659 | |
6c80b18d | 1660 | adapter->netdev->trans_start = jiffies; |
ba53e6b4 | 1661 | |
d8b100c5 | 1662 | netxen_napi_enable(adapter); |
6c80b18d | 1663 | netif_wake_queue(adapter->netdev); |
3d396eb1 AK |
1664 | } |
1665 | ||
a97342f9 DP |
1666 | struct net_device_stats *netxen_nic_get_stats(struct net_device *netdev) |
1667 | { | |
1668 | struct netxen_adapter *adapter = netdev_priv(netdev); | |
1669 | struct net_device_stats *stats = &adapter->net_stats; | |
1670 | ||
1671 | memset(stats, 0, sizeof(*stats)); | |
1672 | ||
a97342f9 | 1673 | stats->rx_packets = adapter->stats.no_rcv; |
e98e3350 | 1674 | stats->tx_packets = adapter->stats.xmitfinished; |
a97342f9 | 1675 | stats->rx_bytes = adapter->stats.rxbytes; |
a97342f9 | 1676 | stats->tx_bytes = adapter->stats.txbytes; |
a97342f9 | 1677 | stats->rx_dropped = adapter->stats.rxdropped; |
a97342f9 DP |
1678 | stats->tx_dropped = adapter->stats.txdropped; |
1679 | ||
1680 | return stats; | |
1681 | } | |
1682 | ||
e4c93c81 | 1683 | static irqreturn_t netxen_intr(int irq, void *data) |
3d396eb1 | 1684 | { |
d8b100c5 DP |
1685 | struct nx_host_sds_ring *sds_ring = data; |
1686 | struct netxen_adapter *adapter = sds_ring->adapter; | |
d71e1be8 DP |
1687 | u32 status = 0; |
1688 | ||
1689 | status = adapter->pci_read_immediate(adapter, ISR_INT_VECTOR); | |
1690 | ||
1691 | if (!(status & adapter->legacy_intr.int_vec_bit)) | |
05aaa02d | 1692 | return IRQ_NONE; |
e01872af | 1693 | |
d71e1be8 DP |
1694 | if (adapter->ahw.revision_id >= NX_P3_B1) { |
1695 | /* check interrupt state machine, to be sure */ | |
1696 | status = adapter->pci_read_immediate(adapter, | |
1697 | ISR_INT_STATE_REG); | |
1698 | if (!ISR_LEGACY_INT_TRIGGERED(status)) | |
1699 | return IRQ_NONE; | |
1700 | ||
092bc571 DP |
1701 | } else { |
1702 | unsigned long our_int = 0; | |
d71e1be8 | 1703 | |
f98a9f69 | 1704 | our_int = NXRD32(adapter, CRB_INT_VECTOR); |
092bc571 | 1705 | |
d71e1be8 | 1706 | /* not our interrupt */ |
092bc571 | 1707 | if (!test_and_clear_bit((7 + adapter->portnum), &our_int)) |
d71e1be8 DP |
1708 | return IRQ_NONE; |
1709 | ||
092bc571 | 1710 | /* claim interrupt */ |
f98a9f69 | 1711 | NXWR32(adapter, CRB_INT_VECTOR, (our_int & 0xffffffff)); |
e01872af | 1712 | } |
1713 | ||
092bc571 DP |
1714 | /* clear interrupt */ |
1715 | if (adapter->fw_major < 4) | |
d8b100c5 | 1716 | netxen_nic_disable_int(sds_ring); |
092bc571 DP |
1717 | |
1718 | adapter->pci_write_immediate(adapter, | |
1719 | adapter->legacy_intr.tgt_status_reg, | |
1720 | 0xffffffff); | |
1721 | /* read twice to ensure write is flushed */ | |
1722 | adapter->pci_read_immediate(adapter, ISR_INT_VECTOR); | |
1723 | adapter->pci_read_immediate(adapter, ISR_INT_VECTOR); | |
1724 | ||
d8b100c5 | 1725 | napi_schedule(&sds_ring->napi); |
3d396eb1 AK |
1726 | |
1727 | return IRQ_HANDLED; | |
1728 | } | |
1729 | ||
e4c93c81 | 1730 | static irqreturn_t netxen_msi_intr(int irq, void *data) |
05aaa02d | 1731 | { |
d8b100c5 DP |
1732 | struct nx_host_sds_ring *sds_ring = data; |
1733 | struct netxen_adapter *adapter = sds_ring->adapter; | |
05aaa02d | 1734 | |
092bc571 DP |
1735 | /* clear interrupt */ |
1736 | adapter->pci_write_immediate(adapter, | |
7a2469ce | 1737 | adapter->msi_tgt_status, 0xffffffff); |
092bc571 | 1738 | |
d8b100c5 | 1739 | napi_schedule(&sds_ring->napi); |
05aaa02d DP |
1740 | return IRQ_HANDLED; |
1741 | } | |
1742 | ||
b3df68f8 DP |
1743 | static irqreturn_t netxen_msix_intr(int irq, void *data) |
1744 | { | |
d8b100c5 | 1745 | struct nx_host_sds_ring *sds_ring = data; |
b3df68f8 | 1746 | |
d8b100c5 | 1747 | napi_schedule(&sds_ring->napi); |
b3df68f8 DP |
1748 | return IRQ_HANDLED; |
1749 | } | |
1750 | ||
bea3348e | 1751 | static int netxen_nic_poll(struct napi_struct *napi, int budget) |
3d396eb1 | 1752 | { |
d8b100c5 DP |
1753 | struct nx_host_sds_ring *sds_ring = |
1754 | container_of(napi, struct nx_host_sds_ring, napi); | |
1755 | ||
1756 | struct netxen_adapter *adapter = sds_ring->adapter; | |
1757 | ||
05aaa02d | 1758 | int tx_complete; |
bea3348e | 1759 | int work_done; |
3d396eb1 | 1760 | |
05aaa02d | 1761 | tx_complete = netxen_process_cmd_ring(adapter); |
3d396eb1 | 1762 | |
d8b100c5 | 1763 | work_done = netxen_process_rcv_ring(sds_ring, budget); |
3d396eb1 | 1764 | |
05aaa02d | 1765 | if ((work_done < budget) && tx_complete) { |
d8b100c5 | 1766 | napi_complete(&sds_ring->napi); |
b2af9cb0 DP |
1767 | if (netif_running(adapter->netdev)) |
1768 | netxen_nic_enable_int(sds_ring); | |
3d396eb1 AK |
1769 | } |
1770 | ||
bea3348e | 1771 | return work_done; |
3d396eb1 AK |
1772 | } |
1773 | ||
1774 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
1775 | static void netxen_nic_poll_controller(struct net_device *netdev) | |
1776 | { | |
3176ff3e | 1777 | struct netxen_adapter *adapter = netdev_priv(netdev); |
3d396eb1 | 1778 | disable_irq(adapter->irq); |
1494a814 | 1779 | netxen_intr(adapter->irq, adapter); |
3d396eb1 AK |
1780 | enable_irq(adapter->irq); |
1781 | } | |
1782 | #endif | |
3d396eb1 | 1783 | |
6598b169 DP |
1784 | #define is_netxen_netdev(dev) (dev->netdev_ops == &netxen_netdev_ops) |
1785 | ||
1786 | static int | |
1787 | netxen_destip_supported(struct netxen_adapter *adapter) | |
1788 | { | |
1789 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) | |
1790 | return 0; | |
1791 | ||
1792 | if (adapter->ahw.cut_through) | |
1793 | return 0; | |
1794 | ||
1795 | return 1; | |
1796 | } | |
1797 | ||
1798 | static int netxen_netdev_event(struct notifier_block *this, | |
1799 | unsigned long event, void *ptr) | |
1800 | { | |
1801 | struct netxen_adapter *adapter; | |
1802 | struct net_device *dev = (struct net_device *)ptr; | |
1803 | struct in_device *indev; | |
1804 | ||
1805 | recheck: | |
1806 | if (dev == NULL) | |
1807 | goto done; | |
1808 | ||
1809 | if (dev->priv_flags & IFF_802_1Q_VLAN) { | |
1810 | dev = vlan_dev_real_dev(dev); | |
1811 | goto recheck; | |
1812 | } | |
1813 | ||
1814 | if (!is_netxen_netdev(dev)) | |
1815 | goto done; | |
1816 | ||
1817 | adapter = netdev_priv(dev); | |
1818 | ||
1819 | if (!adapter || !netxen_destip_supported(adapter)) | |
1820 | goto done; | |
1821 | ||
1822 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) | |
1823 | goto done; | |
1824 | ||
1825 | indev = in_dev_get(dev); | |
1826 | if (!indev) | |
1827 | goto done; | |
1828 | ||
1829 | for_ifa(indev) { | |
1830 | switch (event) { | |
1831 | case NETDEV_UP: | |
1832 | netxen_config_ipaddr(adapter, | |
1833 | ifa->ifa_address, NX_IP_UP); | |
1834 | break; | |
1835 | case NETDEV_DOWN: | |
1836 | netxen_config_ipaddr(adapter, | |
1837 | ifa->ifa_address, NX_IP_DOWN); | |
1838 | break; | |
1839 | default: | |
1840 | break; | |
1841 | } | |
1842 | } endfor_ifa(indev); | |
1843 | ||
1844 | in_dev_put(indev); | |
1845 | done: | |
1846 | return NOTIFY_DONE; | |
1847 | } | |
1848 | ||
1849 | static int | |
1850 | netxen_inetaddr_event(struct notifier_block *this, | |
1851 | unsigned long event, void *ptr) | |
1852 | { | |
1853 | struct netxen_adapter *adapter; | |
1854 | struct net_device *dev; | |
1855 | ||
1856 | struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; | |
1857 | ||
1858 | dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; | |
1859 | ||
1860 | recheck: | |
1861 | if (dev == NULL || !netif_running(dev)) | |
1862 | goto done; | |
1863 | ||
1864 | if (dev->priv_flags & IFF_802_1Q_VLAN) { | |
1865 | dev = vlan_dev_real_dev(dev); | |
1866 | goto recheck; | |
1867 | } | |
1868 | ||
1869 | if (!is_netxen_netdev(dev)) | |
1870 | goto done; | |
1871 | ||
1872 | adapter = netdev_priv(dev); | |
1873 | ||
1874 | if (!adapter || !netxen_destip_supported(adapter)) | |
1875 | goto done; | |
1876 | ||
1877 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) | |
1878 | goto done; | |
1879 | ||
1880 | switch (event) { | |
1881 | case NETDEV_UP: | |
1882 | netxen_config_ipaddr(adapter, ifa->ifa_address, NX_IP_UP); | |
1883 | break; | |
1884 | case NETDEV_DOWN: | |
1885 | netxen_config_ipaddr(adapter, ifa->ifa_address, NX_IP_DOWN); | |
1886 | break; | |
1887 | default: | |
1888 | break; | |
1889 | } | |
1890 | ||
1891 | done: | |
1892 | return NOTIFY_DONE; | |
1893 | } | |
1894 | ||
1895 | static struct notifier_block netxen_netdev_cb = { | |
1896 | .notifier_call = netxen_netdev_event, | |
1897 | }; | |
1898 | ||
1899 | static struct notifier_block netxen_inetaddr_cb = { | |
1900 | .notifier_call = netxen_inetaddr_event, | |
1901 | }; | |
1902 | ||
3d396eb1 AK |
1903 | static struct pci_driver netxen_driver = { |
1904 | .name = netxen_nic_driver_name, | |
1905 | .id_table = netxen_pci_tbl, | |
1906 | .probe = netxen_nic_probe, | |
0b72e659 | 1907 | .remove = __devexit_p(netxen_nic_remove), |
01542cd1 | 1908 | #ifdef CONFIG_PM |
0b72e659 DP |
1909 | .suspend = netxen_nic_suspend, |
1910 | .resume = netxen_nic_resume | |
01542cd1 | 1911 | #endif |
3d396eb1 AK |
1912 | }; |
1913 | ||
1914 | /* Driver Registration on NetXen card */ | |
1915 | ||
1916 | static int __init netxen_init_module(void) | |
1917 | { | |
ff4fbd43 DP |
1918 | printk(KERN_INFO "%s\n", netxen_nic_driver_string); |
1919 | ||
79ea13ce | 1920 | if ((netxen_workq = create_singlethread_workqueue("netxen")) == NULL) |
ed25ffa1 AK |
1921 | return -ENOMEM; |
1922 | ||
6598b169 DP |
1923 | register_netdevice_notifier(&netxen_netdev_cb); |
1924 | register_inetaddr_notifier(&netxen_inetaddr_cb); | |
1925 | ||
184231bd | 1926 | return pci_register_driver(&netxen_driver); |
3d396eb1 AK |
1927 | } |
1928 | ||
1929 | module_init(netxen_init_module); | |
1930 | ||
1931 | static void __exit netxen_exit_module(void) | |
1932 | { | |
3d396eb1 | 1933 | pci_unregister_driver(&netxen_driver); |
6598b169 DP |
1934 | |
1935 | unregister_inetaddr_notifier(&netxen_inetaddr_cb); | |
1936 | unregister_netdevice_notifier(&netxen_netdev_cb); | |
9de06610 | 1937 | destroy_workqueue(netxen_workq); |
3d396eb1 AK |
1938 | } |
1939 | ||
1940 | module_exit(netxen_exit_module); |