Commit | Line | Data |
---|---|---|
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 | ||
24767ab1 DP |
286 | static void |
287 | netxen_check_options(struct netxen_adapter *adapter) | |
2956640d | 288 | { |
24767ab1 DP |
289 | if (adapter->ahw.port_type == NETXEN_NIC_XGBE) { |
290 | adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G; | |
291 | adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; | |
292 | } else if (adapter->ahw.port_type == NETXEN_NIC_GBE) { | |
293 | adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; | |
294 | adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; | |
295 | } | |
2956640d | 296 | |
f6d21f44 DP |
297 | adapter->msix_supported = 0; |
298 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { | |
c7860a2a | 299 | adapter->msix_supported = !!use_msi_x; |
f6d21f44 DP |
300 | adapter->rss_supported = !!use_msi_x; |
301 | } else if (adapter->fw_version >= NETXEN_VERSION_CODE(3, 4, 336)) { | |
302 | switch (adapter->ahw.board_type) { | |
303 | case NETXEN_BRDTYPE_P2_SB31_10G: | |
304 | case NETXEN_BRDTYPE_P2_SB31_10G_CX4: | |
f6d21f44 DP |
305 | adapter->msix_supported = !!use_msi_x; |
306 | adapter->rss_supported = !!use_msi_x; | |
307 | break; | |
308 | default: | |
309 | break; | |
310 | } | |
311 | } | |
2956640d | 312 | |
24767ab1 | 313 | adapter->num_txd = MAX_CMD_DESCRIPTORS; |
2956640d | 314 | |
24767ab1 DP |
315 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { |
316 | adapter->num_lro_rxd = MAX_LRO_RCV_DESCRIPTORS; | |
317 | adapter->max_rds_rings = 3; | |
318 | } else { | |
319 | adapter->num_lro_rxd = 0; | |
320 | adapter->max_rds_rings = 2; | |
321 | } | |
2956640d DP |
322 | } |
323 | ||
324 | static int | |
325 | netxen_check_hw_init(struct netxen_adapter *adapter, int first_boot) | |
326 | { | |
27c915a4 | 327 | u32 val, timeout; |
2956640d DP |
328 | |
329 | if (first_boot == 0x55555555) { | |
330 | /* This is the first boot after power up */ | |
f98a9f69 | 331 | NXWR32(adapter, NETXEN_CAM_RAM(0x1fc), NETXEN_BDINFO_MAGIC); |
27c915a4 DP |
332 | |
333 | if (!NX_IS_REVISION_P2(adapter->ahw.revision_id)) | |
334 | return 0; | |
2956640d DP |
335 | |
336 | /* PCI bus master workaround */ | |
f98a9f69 | 337 | first_boot = NXRD32(adapter, NETXEN_PCIE_REG(0x4)); |
2956640d DP |
338 | if (!(first_boot & 0x4)) { |
339 | first_boot |= 0x4; | |
f98a9f69 DP |
340 | NXWR32(adapter, NETXEN_PCIE_REG(0x4), first_boot); |
341 | first_boot = NXRD32(adapter, NETXEN_PCIE_REG(0x4)); | |
2956640d DP |
342 | } |
343 | ||
344 | /* This is the first boot after power up */ | |
f98a9f69 | 345 | first_boot = NXRD32(adapter, NETXEN_ROMUSB_GLB_SW_RESET); |
2956640d DP |
346 | if (first_boot != 0x80000f) { |
347 | /* clear the register for future unloads/loads */ | |
f98a9f69 | 348 | NXWR32(adapter, NETXEN_CAM_RAM(0x1fc), 0); |
27c915a4 | 349 | return -EIO; |
2956640d DP |
350 | } |
351 | ||
27c915a4 | 352 | /* Start P2 boot loader */ |
f98a9f69 DP |
353 | val = NXRD32(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE); |
354 | NXWR32(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE, val | 0x1); | |
27c915a4 DP |
355 | timeout = 0; |
356 | do { | |
357 | msleep(1); | |
f98a9f69 | 358 | val = NXRD32(adapter, NETXEN_CAM_RAM(0x1fc)); |
27c915a4 DP |
359 | |
360 | if (++timeout > 5000) | |
361 | return -EIO; | |
362 | ||
363 | } while (val == NETXEN_BDINFO_MAGIC); | |
2956640d | 364 | } |
27c915a4 | 365 | return 0; |
2956640d DP |
366 | } |
367 | ||
368 | static void netxen_set_port_mode(struct netxen_adapter *adapter) | |
369 | { | |
370 | u32 val, data; | |
371 | ||
1e2d0059 | 372 | val = adapter->ahw.board_type; |
2956640d DP |
373 | if ((val == NETXEN_BRDTYPE_P3_HMEZ) || |
374 | (val == NETXEN_BRDTYPE_P3_XG_LOM)) { | |
375 | if (port_mode == NETXEN_PORT_MODE_802_3_AP) { | |
376 | data = NETXEN_PORT_MODE_802_3_AP; | |
f98a9f69 | 377 | NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data); |
2956640d DP |
378 | } else if (port_mode == NETXEN_PORT_MODE_XG) { |
379 | data = NETXEN_PORT_MODE_XG; | |
f98a9f69 | 380 | NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data); |
2956640d DP |
381 | } else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_1G) { |
382 | data = NETXEN_PORT_MODE_AUTO_NEG_1G; | |
f98a9f69 | 383 | NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data); |
2956640d DP |
384 | } else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_XG) { |
385 | data = NETXEN_PORT_MODE_AUTO_NEG_XG; | |
f98a9f69 | 386 | NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data); |
2956640d DP |
387 | } else { |
388 | data = NETXEN_PORT_MODE_AUTO_NEG; | |
f98a9f69 | 389 | NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data); |
2956640d DP |
390 | } |
391 | ||
392 | if ((wol_port_mode != NETXEN_PORT_MODE_802_3_AP) && | |
393 | (wol_port_mode != NETXEN_PORT_MODE_XG) && | |
394 | (wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_1G) && | |
395 | (wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_XG)) { | |
396 | wol_port_mode = NETXEN_PORT_MODE_AUTO_NEG; | |
397 | } | |
f98a9f69 | 398 | NXWR32(adapter, NETXEN_WOL_PORT_MODE, wol_port_mode); |
2956640d DP |
399 | } |
400 | } | |
401 | ||
2956640d DP |
402 | static void netxen_set_msix_bit(struct pci_dev *pdev, int enable) |
403 | { | |
404 | u32 control; | |
405 | int pos; | |
406 | ||
407 | pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX); | |
408 | if (pos) { | |
409 | pci_read_config_dword(pdev, pos, &control); | |
410 | if (enable) | |
411 | control |= PCI_MSIX_FLAGS_ENABLE; | |
412 | else | |
413 | control = 0; | |
414 | pci_write_config_dword(pdev, pos, control); | |
415 | } | |
416 | } | |
417 | ||
be339aee | 418 | static void netxen_init_msix_entries(struct netxen_adapter *adapter, int count) |
2956640d DP |
419 | { |
420 | int i; | |
421 | ||
be339aee | 422 | for (i = 0; i < count; i++) |
2956640d DP |
423 | adapter->msix_entries[i].entry = i; |
424 | } | |
425 | ||
9dc28efe DP |
426 | static int |
427 | netxen_read_mac_addr(struct netxen_adapter *adapter) | |
428 | { | |
429 | int i; | |
430 | unsigned char *p; | |
431 | __le64 mac_addr; | |
9dc28efe DP |
432 | struct net_device *netdev = adapter->netdev; |
433 | struct pci_dev *pdev = adapter->pdev; | |
434 | ||
9dc28efe DP |
435 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { |
436 | if (netxen_p3_get_mac_addr(adapter, &mac_addr) != 0) | |
437 | return -EIO; | |
438 | } else { | |
439 | if (netxen_get_flash_mac_addr(adapter, &mac_addr) != 0) | |
440 | return -EIO; | |
441 | } | |
442 | ||
443 | p = (unsigned char *)&mac_addr; | |
444 | for (i = 0; i < 6; i++) | |
445 | netdev->dev_addr[i] = *(p + 5 - i); | |
446 | ||
447 | memcpy(netdev->perm_addr, netdev->dev_addr, netdev->addr_len); | |
448 | ||
449 | /* set station address */ | |
450 | ||
e174961c JB |
451 | if (!is_valid_ether_addr(netdev->perm_addr)) |
452 | dev_warn(&pdev->dev, "Bad MAC address %pM.\n", netdev->dev_addr); | |
9dc28efe DP |
453 | |
454 | return 0; | |
455 | } | |
456 | ||
3d0a3cc9 DP |
457 | int netxen_nic_set_mac(struct net_device *netdev, void *p) |
458 | { | |
459 | struct netxen_adapter *adapter = netdev_priv(netdev); | |
460 | struct sockaddr *addr = p; | |
461 | ||
462 | if (!is_valid_ether_addr(addr->sa_data)) | |
463 | return -EINVAL; | |
464 | ||
465 | if (netif_running(netdev)) { | |
466 | netif_device_detach(netdev); | |
467 | netxen_napi_disable(adapter); | |
468 | } | |
469 | ||
470 | memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); | |
471 | adapter->macaddr_set(adapter, addr->sa_data); | |
472 | ||
473 | if (netif_running(netdev)) { | |
474 | netif_device_attach(netdev); | |
475 | netxen_napi_enable(adapter); | |
476 | } | |
477 | return 0; | |
478 | } | |
479 | ||
1abd266f SH |
480 | static void netxen_set_multicast_list(struct net_device *dev) |
481 | { | |
482 | struct netxen_adapter *adapter = netdev_priv(dev); | |
483 | ||
3d0a3cc9 | 484 | adapter->set_multi(dev); |
1abd266f SH |
485 | } |
486 | ||
487 | static const struct net_device_ops netxen_netdev_ops = { | |
488 | .ndo_open = netxen_nic_open, | |
489 | .ndo_stop = netxen_nic_close, | |
490 | .ndo_start_xmit = netxen_nic_xmit_frame, | |
491 | .ndo_get_stats = netxen_nic_get_stats, | |
492 | .ndo_validate_addr = eth_validate_addr, | |
493 | .ndo_set_multicast_list = netxen_set_multicast_list, | |
494 | .ndo_set_mac_address = netxen_nic_set_mac, | |
495 | .ndo_change_mtu = netxen_nic_change_mtu, | |
496 | .ndo_tx_timeout = netxen_tx_timeout, | |
497 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
498 | .ndo_poll_controller = netxen_nic_poll_controller, | |
499 | #endif | |
500 | }; | |
501 | ||
97daee83 DP |
502 | static void |
503 | netxen_setup_intr(struct netxen_adapter *adapter) | |
504 | { | |
505 | struct netxen_legacy_intr_set *legacy_intrp; | |
506 | struct pci_dev *pdev = adapter->pdev; | |
be339aee DP |
507 | int err, num_msix; |
508 | ||
509 | if (adapter->rss_supported) { | |
510 | num_msix = (num_online_cpus() >= MSIX_ENTRIES_PER_ADAPTER) ? | |
511 | MSIX_ENTRIES_PER_ADAPTER : 2; | |
512 | } else | |
513 | num_msix = 1; | |
514 | ||
515 | adapter->max_sds_rings = 1; | |
97daee83 DP |
516 | |
517 | adapter->flags &= ~(NETXEN_NIC_MSI_ENABLED | NETXEN_NIC_MSIX_ENABLED); | |
97daee83 DP |
518 | |
519 | if (adapter->ahw.revision_id >= NX_P3_B0) | |
520 | legacy_intrp = &legacy_intr[adapter->ahw.pci_func]; | |
521 | else | |
522 | legacy_intrp = &legacy_intr[0]; | |
523 | adapter->legacy_intr.int_vec_bit = legacy_intrp->int_vec_bit; | |
524 | adapter->legacy_intr.tgt_status_reg = legacy_intrp->tgt_status_reg; | |
525 | adapter->legacy_intr.tgt_mask_reg = legacy_intrp->tgt_mask_reg; | |
526 | adapter->legacy_intr.pci_int_reg = legacy_intrp->pci_int_reg; | |
527 | ||
528 | netxen_set_msix_bit(pdev, 0); | |
529 | ||
530 | if (adapter->msix_supported) { | |
531 | ||
be339aee DP |
532 | netxen_init_msix_entries(adapter, num_msix); |
533 | err = pci_enable_msix(pdev, adapter->msix_entries, num_msix); | |
534 | if (err == 0) { | |
535 | adapter->flags |= NETXEN_NIC_MSIX_ENABLED; | |
536 | netxen_set_msix_bit(pdev, 1); | |
97daee83 | 537 | |
be339aee DP |
538 | if (adapter->rss_supported) |
539 | adapter->max_sds_rings = num_msix; | |
97daee83 | 540 | |
be339aee DP |
541 | dev_info(&pdev->dev, "using msi-x interrupts\n"); |
542 | return; | |
543 | } | |
544 | ||
545 | if (err > 0) | |
546 | pci_disable_msix(pdev); | |
547 | ||
548 | /* fall through for msi */ | |
97daee83 | 549 | } |
be339aee DP |
550 | |
551 | if (use_msi && !pci_enable_msi(pdev)) { | |
552 | adapter->flags |= NETXEN_NIC_MSI_ENABLED; | |
553 | adapter->msi_tgt_status = | |
554 | msi_tgt_status[adapter->ahw.pci_func]; | |
555 | dev_info(&pdev->dev, "using msi interrupts\n"); | |
f67f3408 | 556 | adapter->msix_entries[0].vector = pdev->irq; |
be339aee DP |
557 | return; |
558 | } | |
559 | ||
560 | dev_info(&pdev->dev, "using legacy interrupts\n"); | |
561 | adapter->msix_entries[0].vector = pdev->irq; | |
97daee83 DP |
562 | } |
563 | ||
564 | static void | |
565 | netxen_teardown_intr(struct netxen_adapter *adapter) | |
566 | { | |
567 | if (adapter->flags & NETXEN_NIC_MSIX_ENABLED) | |
568 | pci_disable_msix(adapter->pdev); | |
569 | if (adapter->flags & NETXEN_NIC_MSI_ENABLED) | |
570 | pci_disable_msi(adapter->pdev); | |
571 | } | |
572 | ||
573 | static void | |
574 | netxen_cleanup_pci_map(struct netxen_adapter *adapter) | |
575 | { | |
576 | if (adapter->ahw.db_base != NULL) | |
577 | iounmap(adapter->ahw.db_base); | |
578 | if (adapter->ahw.pci_base0 != NULL) | |
579 | iounmap(adapter->ahw.pci_base0); | |
580 | if (adapter->ahw.pci_base1 != NULL) | |
581 | iounmap(adapter->ahw.pci_base1); | |
582 | if (adapter->ahw.pci_base2 != NULL) | |
583 | iounmap(adapter->ahw.pci_base2); | |
584 | } | |
585 | ||
586 | static int | |
587 | netxen_setup_pci_map(struct netxen_adapter *adapter) | |
588 | { | |
589 | void __iomem *mem_ptr0 = NULL; | |
590 | void __iomem *mem_ptr1 = NULL; | |
591 | void __iomem *mem_ptr2 = NULL; | |
592 | void __iomem *db_ptr = NULL; | |
593 | ||
97daee83 DP |
594 | unsigned long mem_base, mem_len, db_base, db_len = 0, pci_len0 = 0; |
595 | ||
596 | struct pci_dev *pdev = adapter->pdev; | |
597 | int pci_func = adapter->ahw.pci_func; | |
598 | ||
599 | int err = 0; | |
600 | ||
601 | /* | |
602 | * Set the CRB window to invalid. If any register in window 0 is | |
603 | * accessed it should set the window to 0 and then reset it to 1. | |
604 | */ | |
605 | adapter->curr_window = 255; | |
606 | adapter->ahw.qdr_sn_window = -1; | |
607 | adapter->ahw.ddr_mn_window = -1; | |
608 | ||
609 | /* remap phys address */ | |
610 | mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */ | |
611 | mem_len = pci_resource_len(pdev, 0); | |
612 | pci_len0 = 0; | |
613 | ||
614 | adapter->hw_write_wx = netxen_nic_hw_write_wx_128M; | |
615 | adapter->hw_read_wx = netxen_nic_hw_read_wx_128M; | |
616 | adapter->pci_read_immediate = netxen_nic_pci_read_immediate_128M; | |
617 | adapter->pci_write_immediate = netxen_nic_pci_write_immediate_128M; | |
97daee83 DP |
618 | adapter->pci_set_window = netxen_nic_pci_set_window_128M; |
619 | adapter->pci_mem_read = netxen_nic_pci_mem_read_128M; | |
620 | adapter->pci_mem_write = netxen_nic_pci_mem_write_128M; | |
621 | ||
622 | /* 128 Meg of memory */ | |
623 | if (mem_len == NETXEN_PCI_128MB_SIZE) { | |
624 | mem_ptr0 = ioremap(mem_base, FIRST_PAGE_GROUP_SIZE); | |
625 | mem_ptr1 = ioremap(mem_base + SECOND_PAGE_GROUP_START, | |
626 | SECOND_PAGE_GROUP_SIZE); | |
627 | mem_ptr2 = ioremap(mem_base + THIRD_PAGE_GROUP_START, | |
628 | THIRD_PAGE_GROUP_SIZE); | |
97daee83 DP |
629 | } else if (mem_len == NETXEN_PCI_32MB_SIZE) { |
630 | mem_ptr1 = ioremap(mem_base, SECOND_PAGE_GROUP_SIZE); | |
631 | mem_ptr2 = ioremap(mem_base + THIRD_PAGE_GROUP_START - | |
632 | SECOND_PAGE_GROUP_START, THIRD_PAGE_GROUP_SIZE); | |
97daee83 DP |
633 | } else if (mem_len == NETXEN_PCI_2MB_SIZE) { |
634 | adapter->hw_write_wx = netxen_nic_hw_write_wx_2M; | |
635 | adapter->hw_read_wx = netxen_nic_hw_read_wx_2M; | |
636 | adapter->pci_read_immediate = netxen_nic_pci_read_immediate_2M; | |
637 | adapter->pci_write_immediate = | |
638 | netxen_nic_pci_write_immediate_2M; | |
97daee83 DP |
639 | adapter->pci_set_window = netxen_nic_pci_set_window_2M; |
640 | adapter->pci_mem_read = netxen_nic_pci_mem_read_2M; | |
641 | adapter->pci_mem_write = netxen_nic_pci_mem_write_2M; | |
642 | ||
643 | mem_ptr0 = pci_ioremap_bar(pdev, 0); | |
644 | if (mem_ptr0 == NULL) { | |
645 | dev_err(&pdev->dev, "failed to map PCI bar 0\n"); | |
646 | return -EIO; | |
647 | } | |
648 | pci_len0 = mem_len; | |
97daee83 DP |
649 | |
650 | adapter->ahw.ddr_mn_window = 0; | |
651 | adapter->ahw.qdr_sn_window = 0; | |
652 | ||
653 | adapter->ahw.mn_win_crb = 0x100000 + PCIX_MN_WINDOW + | |
654 | (pci_func * 0x20); | |
655 | adapter->ahw.ms_win_crb = 0x100000 + PCIX_SN_WINDOW; | |
656 | if (pci_func < 4) | |
657 | adapter->ahw.ms_win_crb += (pci_func * 0x20); | |
658 | else | |
659 | adapter->ahw.ms_win_crb += | |
660 | 0xA0 + ((pci_func - 4) * 0x10); | |
661 | } else { | |
662 | return -EIO; | |
663 | } | |
664 | ||
665 | dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20)); | |
666 | ||
667 | adapter->ahw.pci_base0 = mem_ptr0; | |
668 | adapter->ahw.pci_len0 = pci_len0; | |
97daee83 DP |
669 | adapter->ahw.pci_base1 = mem_ptr1; |
670 | adapter->ahw.pci_base2 = mem_ptr2; | |
671 | ||
672 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) | |
673 | goto skip_doorbell; | |
674 | ||
675 | db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */ | |
676 | db_len = pci_resource_len(pdev, 4); | |
677 | ||
678 | if (db_len == 0) { | |
679 | printk(KERN_ERR "%s: doorbell is disabled\n", | |
680 | netxen_nic_driver_name); | |
681 | err = -EIO; | |
682 | goto err_out; | |
683 | } | |
684 | ||
685 | db_ptr = ioremap(db_base, NETXEN_DB_MAPSIZE_BYTES); | |
686 | if (!db_ptr) { | |
687 | printk(KERN_ERR "%s: Failed to allocate doorbell map.", | |
688 | netxen_nic_driver_name); | |
689 | err = -EIO; | |
690 | goto err_out; | |
691 | } | |
692 | ||
693 | skip_doorbell: | |
694 | adapter->ahw.db_base = db_ptr; | |
695 | adapter->ahw.db_len = db_len; | |
696 | return 0; | |
697 | ||
698 | err_out: | |
699 | netxen_cleanup_pci_map(adapter); | |
700 | return err; | |
701 | } | |
702 | ||
ba599d4f | 703 | static int |
f7185c71 | 704 | netxen_start_firmware(struct netxen_adapter *adapter, int request_fw) |
ba599d4f DP |
705 | { |
706 | int val, err, first_boot; | |
707 | struct pci_dev *pdev = adapter->pdev; | |
708 | ||
0b72e659 | 709 | int first_driver = 0; |
f7185c71 DP |
710 | |
711 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) | |
712 | first_driver = (adapter->portnum == 0); | |
713 | else | |
714 | first_driver = (adapter->ahw.pci_func == 0); | |
0b72e659 DP |
715 | |
716 | if (!first_driver) | |
96f2ebd2 | 717 | goto wait_init; |
0b72e659 | 718 | |
f98a9f69 | 719 | first_boot = NXRD32(adapter, NETXEN_CAM_RAM(0x1fc)); |
ba599d4f DP |
720 | |
721 | err = netxen_check_hw_init(adapter, first_boot); | |
722 | if (err) { | |
723 | dev_err(&pdev->dev, "error in init HW init sequence\n"); | |
724 | return err; | |
725 | } | |
726 | ||
f7185c71 DP |
727 | if (request_fw) |
728 | netxen_request_firmware(adapter); | |
729 | ||
67c38fc6 DP |
730 | err = netxen_need_fw_reset(adapter); |
731 | if (err <= 0) | |
732 | return err; | |
733 | ||
ba599d4f | 734 | if (first_boot != 0x55555555) { |
f98a9f69 | 735 | NXWR32(adapter, CRB_CMDPEG_STATE, 0); |
ba599d4f DP |
736 | netxen_pinit_from_rom(adapter, 0); |
737 | msleep(1); | |
738 | } | |
567c6c4e | 739 | |
f98a9f69 | 740 | NXWR32(adapter, CRB_DMA_SHIFT, 0x55555555); |
567c6c4e DP |
741 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) |
742 | netxen_set_port_mode(adapter); | |
743 | ||
ba599d4f DP |
744 | netxen_load_firmware(adapter); |
745 | ||
746 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { | |
747 | ||
748 | /* Initialize multicast addr pool owners */ | |
749 | val = 0x7654; | |
1e2d0059 | 750 | if (adapter->ahw.port_type == NETXEN_NIC_XGBE) |
ba599d4f | 751 | val |= 0x0f000000; |
f98a9f69 | 752 | NXWR32(adapter, NETXEN_MAC_ADDR_CNTL_REG, val); |
ba599d4f DP |
753 | |
754 | } | |
755 | ||
83ac51fa | 756 | err = netxen_init_dummy_dma(adapter); |
ba599d4f DP |
757 | if (err) |
758 | return err; | |
759 | ||
760 | /* | |
761 | * Tell the hardware our version number. | |
762 | */ | |
763 | val = (_NETXEN_NIC_LINUX_MAJOR << 16) | |
764 | | ((_NETXEN_NIC_LINUX_MINOR << 8)) | |
765 | | (_NETXEN_NIC_LINUX_SUBVERSION); | |
f98a9f69 | 766 | NXWR32(adapter, CRB_DRIVER_VERSION, val); |
ba599d4f | 767 | |
96f2ebd2 | 768 | wait_init: |
ba599d4f DP |
769 | /* Handshake with the card before we register the devices. */ |
770 | err = netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE); | |
771 | if (err) { | |
83ac51fa | 772 | netxen_free_dummy_dma(adapter); |
ba599d4f DP |
773 | return err; |
774 | } | |
775 | ||
68b3cae0 DP |
776 | nx_update_dma_mask(adapter); |
777 | ||
778 | netxen_nic_get_firmware_info(adapter); | |
779 | ||
ba599d4f DP |
780 | return 0; |
781 | } | |
782 | ||
9f5bc7f1 DP |
783 | static int |
784 | netxen_nic_request_irq(struct netxen_adapter *adapter) | |
785 | { | |
786 | irq_handler_t handler; | |
d8b100c5 DP |
787 | struct nx_host_sds_ring *sds_ring; |
788 | int err, ring; | |
789 | ||
9f5bc7f1 DP |
790 | unsigned long flags = IRQF_SAMPLE_RANDOM; |
791 | struct net_device *netdev = adapter->netdev; | |
d8b100c5 | 792 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; |
9f5bc7f1 | 793 | |
9f5bc7f1 DP |
794 | if (adapter->flags & NETXEN_NIC_MSIX_ENABLED) |
795 | handler = netxen_msix_intr; | |
796 | else if (adapter->flags & NETXEN_NIC_MSI_ENABLED) | |
797 | handler = netxen_msi_intr; | |
798 | else { | |
799 | flags |= IRQF_SHARED; | |
800 | handler = netxen_intr; | |
801 | } | |
802 | adapter->irq = netdev->irq; | |
803 | ||
d8b100c5 DP |
804 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
805 | sds_ring = &recv_ctx->sds_rings[ring]; | |
be339aee | 806 | sprintf(sds_ring->name, "%s[%d]", netdev->name, ring); |
d8b100c5 DP |
807 | err = request_irq(sds_ring->irq, handler, |
808 | flags, sds_ring->name, sds_ring); | |
809 | if (err) | |
810 | return err; | |
811 | } | |
812 | ||
813 | return 0; | |
814 | } | |
815 | ||
816 | static void | |
817 | netxen_nic_free_irq(struct netxen_adapter *adapter) | |
818 | { | |
819 | int ring; | |
820 | struct nx_host_sds_ring *sds_ring; | |
821 | ||
822 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; | |
823 | ||
824 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
825 | sds_ring = &recv_ctx->sds_rings[ring]; | |
826 | free_irq(sds_ring->irq, sds_ring); | |
827 | } | |
9f5bc7f1 DP |
828 | } |
829 | ||
ca2ef330 DP |
830 | static void |
831 | netxen_nic_init_coalesce_defaults(struct netxen_adapter *adapter) | |
832 | { | |
833 | adapter->coal.flags = NETXEN_NIC_INTR_DEFAULT; | |
834 | adapter->coal.normal.data.rx_time_us = | |
835 | NETXEN_DEFAULT_INTR_COALESCE_RX_TIME_US; | |
836 | adapter->coal.normal.data.rx_packets = | |
837 | NETXEN_DEFAULT_INTR_COALESCE_RX_PACKETS; | |
838 | adapter->coal.normal.data.tx_time_us = | |
839 | NETXEN_DEFAULT_INTR_COALESCE_TX_TIME_US; | |
840 | adapter->coal.normal.data.tx_packets = | |
841 | NETXEN_DEFAULT_INTR_COALESCE_TX_PACKETS; | |
842 | } | |
843 | ||
9f5bc7f1 DP |
844 | static int |
845 | netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev) | |
846 | { | |
847 | int err; | |
848 | ||
849 | err = adapter->init_port(adapter, adapter->physical_port); | |
850 | if (err) { | |
851 | printk(KERN_ERR "%s: Failed to initialize port %d\n", | |
852 | netxen_nic_driver_name, adapter->portnum); | |
853 | return err; | |
854 | } | |
3d0a3cc9 DP |
855 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) |
856 | adapter->macaddr_set(adapter, netdev->dev_addr); | |
9f5bc7f1 | 857 | |
3d0a3cc9 DP |
858 | adapter->set_multi(netdev); |
859 | adapter->set_mtu(adapter, netdev->mtu); | |
9f5bc7f1 DP |
860 | |
861 | adapter->ahw.linkup = 0; | |
9f5bc7f1 | 862 | |
d8b100c5 DP |
863 | if (adapter->max_sds_rings > 1) |
864 | netxen_config_rss(adapter, 1); | |
9f5bc7f1 | 865 | |
ca2ef330 DP |
866 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) |
867 | netxen_config_intr_coalesce(adapter); | |
868 | ||
b2af9cb0 DP |
869 | netxen_napi_enable(adapter); |
870 | ||
5103c9f7 | 871 | if (adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION) |
3bf26ce3 | 872 | netxen_linkevent_request(adapter, 1); |
3d0a3cc9 DP |
873 | else |
874 | netxen_nic_set_link_parameters(adapter); | |
875 | ||
876 | mod_timer(&adapter->watchdog_timer, jiffies); | |
3bf26ce3 | 877 | |
9f5bc7f1 DP |
878 | return 0; |
879 | } | |
880 | ||
881 | static void | |
882 | netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev) | |
883 | { | |
b2af9cb0 | 884 | spin_lock(&adapter->tx_clean_lock); |
9f5bc7f1 | 885 | netif_carrier_off(netdev); |
b2af9cb0 | 886 | netif_tx_disable(netdev); |
9f5bc7f1 DP |
887 | |
888 | if (adapter->stop_port) | |
889 | adapter->stop_port(adapter); | |
890 | ||
5cf4d323 DP |
891 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) |
892 | netxen_p3_free_mac_list(adapter); | |
893 | ||
be339aee DP |
894 | netxen_napi_disable(adapter); |
895 | ||
9f5bc7f1 | 896 | netxen_release_tx_buffers(adapter); |
b2af9cb0 | 897 | spin_unlock(&adapter->tx_clean_lock); |
9f5bc7f1 | 898 | |
9f5bc7f1 | 899 | del_timer_sync(&adapter->watchdog_timer); |
b2af9cb0 | 900 | FLUSH_SCHEDULED_WORK(); |
9f5bc7f1 DP |
901 | } |
902 | ||
903 | ||
904 | static int | |
905 | netxen_nic_attach(struct netxen_adapter *adapter) | |
906 | { | |
907 | struct net_device *netdev = adapter->netdev; | |
908 | struct pci_dev *pdev = adapter->pdev; | |
becf46a0 | 909 | int err, ring; |
d8b100c5 | 910 | struct nx_host_rds_ring *rds_ring; |
d877f1e3 | 911 | struct nx_host_tx_ring *tx_ring; |
9f5bc7f1 DP |
912 | |
913 | err = netxen_init_firmware(adapter); | |
914 | if (err != 0) { | |
915 | printk(KERN_ERR "Failed to init firmware\n"); | |
916 | return -EIO; | |
917 | } | |
918 | ||
9f5bc7f1 DP |
919 | err = netxen_alloc_sw_resources(adapter); |
920 | if (err) { | |
921 | printk(KERN_ERR "%s: Error in setting sw resources\n", | |
922 | netdev->name); | |
923 | return err; | |
924 | } | |
925 | ||
926 | netxen_nic_clear_stats(adapter); | |
927 | ||
928 | err = netxen_alloc_hw_resources(adapter); | |
929 | if (err) { | |
930 | printk(KERN_ERR "%s: Error in setting hw resources\n", | |
931 | netdev->name); | |
932 | goto err_out_free_sw; | |
933 | } | |
934 | ||
4f96b988 | 935 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { |
4ea528a1 | 936 | tx_ring = adapter->tx_ring; |
d877f1e3 DP |
937 | tx_ring->crb_cmd_producer = crb_cmd_producer[adapter->portnum]; |
938 | tx_ring->crb_cmd_consumer = crb_cmd_consumer[adapter->portnum]; | |
9f5bc7f1 | 939 | |
cb2107be DP |
940 | tx_ring->producer = 0; |
941 | tx_ring->sw_consumer = 0; | |
942 | ||
943 | netxen_nic_update_cmd_producer(adapter, tx_ring); | |
944 | netxen_nic_update_cmd_consumer(adapter, tx_ring); | |
9f5bc7f1 DP |
945 | } |
946 | ||
d8b100c5 DP |
947 | for (ring = 0; ring < adapter->max_rds_rings; ring++) { |
948 | rds_ring = &adapter->recv_ctx.rds_rings[ring]; | |
949 | netxen_post_rx_buffers(adapter, ring, rds_ring); | |
950 | } | |
9f5bc7f1 DP |
951 | |
952 | err = netxen_nic_request_irq(adapter); | |
953 | if (err) { | |
954 | dev_err(&pdev->dev, "%s: failed to setup interrupt\n", | |
955 | netdev->name); | |
956 | goto err_out_free_rxbuf; | |
957 | } | |
958 | ||
ca2ef330 DP |
959 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) |
960 | netxen_nic_init_coalesce_defaults(adapter); | |
961 | ||
9f5bc7f1 DP |
962 | adapter->is_up = NETXEN_ADAPTER_UP_MAGIC; |
963 | return 0; | |
964 | ||
965 | err_out_free_rxbuf: | |
966 | netxen_release_rx_buffers(adapter); | |
967 | netxen_free_hw_resources(adapter); | |
968 | err_out_free_sw: | |
969 | netxen_free_sw_resources(adapter); | |
970 | return err; | |
971 | } | |
972 | ||
973 | static void | |
974 | netxen_nic_detach(struct netxen_adapter *adapter) | |
975 | { | |
9f5bc7f1 | 976 | netxen_free_hw_resources(adapter); |
cf981ffb | 977 | netxen_release_rx_buffers(adapter); |
be339aee | 978 | netxen_nic_free_irq(adapter); |
9f5bc7f1 DP |
979 | netxen_free_sw_resources(adapter); |
980 | ||
981 | adapter->is_up = 0; | |
982 | } | |
983 | ||
3d396eb1 AK |
984 | static int __devinit |
985 | netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) | |
986 | { | |
987 | struct net_device *netdev = NULL; | |
988 | struct netxen_adapter *adapter = NULL; | |
2956640d | 989 | int i = 0, err; |
3176ff3e | 990 | int pci_func_id = PCI_FUNC(pdev->devfn); |
2956640d | 991 | uint8_t revision_id; |
3d396eb1 | 992 | |
3176ff3e | 993 | if (pdev->class != 0x020000) { |
dcd56fdb | 994 | printk(KERN_DEBUG "NetXen function %d, class %x will not " |
3176ff3e | 995 | "be enabled.\n",pci_func_id, pdev->class); |
ed25ffa1 AK |
996 | return -ENODEV; |
997 | } | |
2956640d | 998 | |
11d89d63 DP |
999 | if (pdev->revision >= NX_P3_A0 && pdev->revision < NX_P3_B1) { |
1000 | printk(KERN_WARNING "NetXen chip revisions between 0x%x-0x%x" | |
1001 | "will not be enabled.\n", | |
1002 | NX_P3_A0, NX_P3_B1); | |
1003 | return -ENODEV; | |
1004 | } | |
1005 | ||
3d396eb1 AK |
1006 | if ((err = pci_enable_device(pdev))) |
1007 | return err; | |
2956640d | 1008 | |
3d396eb1 AK |
1009 | if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { |
1010 | err = -ENODEV; | |
1011 | goto err_out_disable_pdev; | |
1012 | } | |
1013 | ||
1014 | if ((err = pci_request_regions(pdev, netxen_nic_driver_name))) | |
1015 | goto err_out_disable_pdev; | |
1016 | ||
1017 | pci_set_master(pdev); | |
3176ff3e MT |
1018 | |
1019 | netdev = alloc_etherdev(sizeof(struct netxen_adapter)); | |
1020 | if(!netdev) { | |
1021 | printk(KERN_ERR"%s: Failed to allocate memory for the " | |
1022 | "device block.Check system memory resource" | |
1023 | " usage.\n", netxen_nic_driver_name); | |
1024 | goto err_out_free_res; | |
1025 | } | |
1026 | ||
3176ff3e MT |
1027 | SET_NETDEV_DEV(netdev, &pdev->dev); |
1028 | ||
4cf1653a | 1029 | adapter = netdev_priv(netdev); |
2956640d DP |
1030 | adapter->netdev = netdev; |
1031 | adapter->pdev = pdev; | |
13ba9c77 | 1032 | adapter->ahw.pci_func = pci_func_id; |
2956640d DP |
1033 | |
1034 | revision_id = pdev->revision; | |
1035 | adapter->ahw.revision_id = revision_id; | |
1036 | ||
1037 | err = nx_set_dma_mask(adapter, revision_id); | |
1038 | if (err) | |
1039 | goto err_out_free_netdev; | |
1040 | ||
3ce06a32 | 1041 | rwlock_init(&adapter->adapter_lock); |
d8b100c5 | 1042 | spin_lock_init(&adapter->tx_clean_lock); |
5cf4d323 | 1043 | INIT_LIST_HEAD(&adapter->mac_list); |
3ce06a32 | 1044 | |
97daee83 DP |
1045 | err = netxen_setup_pci_map(adapter); |
1046 | if (err) | |
6c80b18d | 1047 | goto err_out_free_netdev; |
3d396eb1 | 1048 | |
2d1a3bbd | 1049 | /* This will be reset for mezz cards */ |
3176ff3e | 1050 | adapter->portnum = pci_func_id; |
200eef20 | 1051 | adapter->rx_csum = 1; |
623621b0 | 1052 | adapter->mc_enabled = 0; |
83821a07 | 1053 | if (NX_IS_REVISION_P3(revision_id)) |
2956640d | 1054 | adapter->max_mc_count = 38; |
83821a07 | 1055 | else |
2956640d | 1056 | adapter->max_mc_count = 16; |
3176ff3e | 1057 | |
1abd266f | 1058 | netdev->netdev_ops = &netxen_netdev_ops; |
05aaa02d | 1059 | netdev->watchdog_timeo = 2*HZ; |
3176ff3e MT |
1060 | |
1061 | netxen_nic_change_mtu(netdev, netdev->mtu); | |
1062 | ||
1063 | SET_ETHTOOL_OPS(netdev, &netxen_nic_ethtool_ops); | |
1abd266f | 1064 | |
cdff1036 | 1065 | netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO); |
a92e9e65 | 1066 | netdev->features |= (NETIF_F_GRO); |
cdff1036 DP |
1067 | netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO); |
1068 | ||
cd1f8160 | 1069 | if (NX_IS_REVISION_P3(revision_id)) { |
cdff1036 DP |
1070 | netdev->features |= (NETIF_F_IPV6_CSUM | NETIF_F_TSO6); |
1071 | netdev->vlan_features |= (NETIF_F_IPV6_CSUM | NETIF_F_TSO6); | |
cd1f8160 | 1072 | } |
3176ff3e | 1073 | |
cdff1036 | 1074 | if (adapter->pci_using_dac) { |
3176ff3e | 1075 | netdev->features |= NETIF_F_HIGHDMA; |
cdff1036 DP |
1076 | netdev->vlan_features |= NETIF_F_HIGHDMA; |
1077 | } | |
3176ff3e | 1078 | |
dcd56fdb DP |
1079 | if (netxen_nic_get_board_info(adapter) != 0) { |
1080 | printk("%s: Error getting board config info.\n", | |
2956640d | 1081 | netxen_nic_driver_name); |
dcd56fdb DP |
1082 | err = -EIO; |
1083 | goto err_out_iounmap; | |
1084 | } | |
6c80b18d | 1085 | |
6c80b18d MT |
1086 | netxen_initialize_adapter_ops(adapter); |
1087 | ||
13ba9c77 | 1088 | /* Mezz cards have PCI function 0,2,3 enabled */ |
1e2d0059 | 1089 | switch (adapter->ahw.board_type) { |
dc515f2e DP |
1090 | case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ: |
1091 | case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ: | |
1092 | if (pci_func_id >= 2) | |
13ba9c77 | 1093 | adapter->portnum = pci_func_id - 2; |
dc515f2e DP |
1094 | break; |
1095 | default: | |
1096 | break; | |
1097 | } | |
13ba9c77 | 1098 | |
f7185c71 | 1099 | err = netxen_start_firmware(adapter, 1); |
0b72e659 DP |
1100 | if (err) |
1101 | goto err_out_iounmap; | |
3d396eb1 | 1102 | /* |
6c80b18d | 1103 | * See if the firmware gave us a virtual-physical port mapping. |
3d396eb1 | 1104 | */ |
dcd56fdb | 1105 | adapter->physical_port = adapter->portnum; |
4f96b988 | 1106 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { |
f98a9f69 | 1107 | i = NXRD32(adapter, CRB_V2P(adapter->portnum)); |
044fad0d DP |
1108 | if (i != 0x55555555) |
1109 | adapter->physical_port = i; | |
1110 | } | |
6c80b18d | 1111 | |
438627c7 | 1112 | netxen_check_options(adapter); |
2956640d | 1113 | |
97daee83 | 1114 | netxen_setup_intr(adapter); |
2956640d | 1115 | |
d8b100c5 DP |
1116 | netdev->irq = adapter->msix_entries[0].vector; |
1117 | ||
71dcddbd DP |
1118 | if (netxen_napi_add(adapter, netdev)) |
1119 | goto err_out_disable_msi; | |
2956640d | 1120 | |
2956640d | 1121 | init_timer(&adapter->watchdog_timer); |
2956640d DP |
1122 | adapter->watchdog_timer.function = &netxen_watchdog; |
1123 | adapter->watchdog_timer.data = (unsigned long)adapter; | |
1124 | INIT_WORK(&adapter->watchdog_task, netxen_watchdog_task); | |
1125 | INIT_WORK(&adapter->tx_timeout_task, netxen_tx_timeout_task); | |
1126 | ||
9dc28efe DP |
1127 | err = netxen_read_mac_addr(adapter); |
1128 | if (err) | |
1129 | dev_warn(&pdev->dev, "failed to read mac addr\n"); | |
2956640d | 1130 | |
3176ff3e MT |
1131 | netif_carrier_off(netdev); |
1132 | netif_stop_queue(netdev); | |
1133 | ||
6c80b18d MT |
1134 | if ((err = register_netdev(netdev))) { |
1135 | printk(KERN_ERR "%s: register_netdev failed port #%d" | |
1136 | " aborting\n", netxen_nic_driver_name, | |
1137 | adapter->portnum); | |
1138 | err = -EIO; | |
2956640d | 1139 | goto err_out_disable_msi; |
6c80b18d MT |
1140 | } |
1141 | ||
1142 | pci_set_drvdata(pdev, adapter); | |
3d396eb1 | 1143 | |
1e2d0059 | 1144 | switch (adapter->ahw.port_type) { |
2956640d DP |
1145 | case NETXEN_NIC_GBE: |
1146 | dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", | |
1147 | adapter->netdev->name); | |
1148 | break; | |
1149 | case NETXEN_NIC_XGBE: | |
1150 | dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", | |
1151 | adapter->netdev->name); | |
1152 | break; | |
3d396eb1 | 1153 | } |
3d396eb1 | 1154 | |
2956640d DP |
1155 | return 0; |
1156 | ||
1157 | err_out_disable_msi: | |
97daee83 | 1158 | netxen_teardown_intr(adapter); |
6c80b18d | 1159 | |
83ac51fa | 1160 | netxen_free_dummy_dma(adapter); |
3d396eb1 | 1161 | |
2956640d | 1162 | err_out_iounmap: |
97daee83 | 1163 | netxen_cleanup_pci_map(adapter); |
cb8011ad | 1164 | |
6c80b18d MT |
1165 | err_out_free_netdev: |
1166 | free_netdev(netdev); | |
1167 | ||
1168 | err_out_free_res: | |
3d396eb1 | 1169 | pci_release_regions(pdev); |
6c80b18d MT |
1170 | |
1171 | err_out_disable_pdev: | |
2956640d | 1172 | pci_set_drvdata(pdev, NULL); |
3d396eb1 AK |
1173 | pci_disable_device(pdev); |
1174 | return err; | |
1175 | } | |
1176 | ||
1177 | static void __devexit netxen_nic_remove(struct pci_dev *pdev) | |
1178 | { | |
1179 | struct netxen_adapter *adapter; | |
3176ff3e | 1180 | struct net_device *netdev; |
3d396eb1 | 1181 | |
6c80b18d | 1182 | adapter = pci_get_drvdata(pdev); |
3d396eb1 AK |
1183 | if (adapter == NULL) |
1184 | return; | |
1185 | ||
6c80b18d MT |
1186 | netdev = adapter->netdev; |
1187 | ||
96acb6eb DP |
1188 | unregister_netdev(netdev); |
1189 | ||
96acb6eb | 1190 | if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) { |
9f5bc7f1 | 1191 | netxen_nic_detach(adapter); |
96acb6eb | 1192 | } |
3d396eb1 | 1193 | |
439b454e | 1194 | if (adapter->portnum == 0) |
83ac51fa | 1195 | netxen_free_dummy_dma(adapter); |
96acb6eb | 1196 | |
97daee83 | 1197 | netxen_teardown_intr(adapter); |
71dcddbd | 1198 | netxen_free_sds_rings(&adapter->recv_ctx); |
3052246c | 1199 | |
97daee83 | 1200 | netxen_cleanup_pci_map(adapter); |
595e3fb8 | 1201 | |
f7185c71 DP |
1202 | netxen_release_firmware(adapter); |
1203 | ||
595e3fb8 | 1204 | pci_release_regions(pdev); |
3052246c | 1205 | pci_disable_device(pdev); |
595e3fb8 MT |
1206 | pci_set_drvdata(pdev, NULL); |
1207 | ||
6c80b18d | 1208 | free_netdev(netdev); |
3d396eb1 AK |
1209 | } |
1210 | ||
01542cd1 | 1211 | #ifdef CONFIG_PM |
0b72e659 DP |
1212 | static int |
1213 | netxen_nic_suspend(struct pci_dev *pdev, pm_message_t state) | |
1214 | { | |
1215 | ||
1216 | struct netxen_adapter *adapter = pci_get_drvdata(pdev); | |
1217 | struct net_device *netdev = adapter->netdev; | |
1218 | ||
1219 | netif_device_detach(netdev); | |
1220 | ||
1221 | if (netif_running(netdev)) | |
1222 | netxen_nic_down(adapter, netdev); | |
1223 | ||
1224 | if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) | |
1225 | netxen_nic_detach(adapter); | |
1226 | ||
1227 | pci_save_state(pdev); | |
1228 | ||
1229 | if (netxen_nic_wol_supported(adapter)) { | |
1230 | pci_enable_wake(pdev, PCI_D3cold, 1); | |
1231 | pci_enable_wake(pdev, PCI_D3hot, 1); | |
1232 | } | |
1233 | ||
1234 | pci_disable_device(pdev); | |
1235 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); | |
1236 | ||
1237 | return 0; | |
1238 | } | |
1239 | ||
1240 | static int | |
1241 | netxen_nic_resume(struct pci_dev *pdev) | |
1242 | { | |
1243 | struct netxen_adapter *adapter = pci_get_drvdata(pdev); | |
1244 | struct net_device *netdev = adapter->netdev; | |
1245 | int err; | |
1246 | ||
1247 | pci_set_power_state(pdev, PCI_D0); | |
1248 | pci_restore_state(pdev); | |
1249 | ||
1250 | err = pci_enable_device(pdev); | |
1251 | if (err) | |
1252 | return err; | |
1253 | ||
1254 | adapter->curr_window = 255; | |
1255 | ||
f7185c71 | 1256 | err = netxen_start_firmware(adapter, 0); |
0b72e659 DP |
1257 | if (err) { |
1258 | dev_err(&pdev->dev, "failed to start firmware\n"); | |
1259 | return err; | |
1260 | } | |
1261 | ||
1262 | if (netif_running(netdev)) { | |
1263 | err = netxen_nic_attach(adapter); | |
1264 | if (err) | |
1265 | return err; | |
1266 | ||
1267 | err = netxen_nic_up(adapter, netdev); | |
1268 | if (err) | |
1269 | return err; | |
1270 | ||
1271 | netif_device_attach(netdev); | |
1272 | } | |
1273 | ||
1274 | return 0; | |
1275 | } | |
01542cd1 | 1276 | #endif |
0b72e659 | 1277 | |
3d396eb1 AK |
1278 | static int netxen_nic_open(struct net_device *netdev) |
1279 | { | |
4cf1653a | 1280 | struct netxen_adapter *adapter = netdev_priv(netdev); |
3d396eb1 | 1281 | int err = 0; |
3d396eb1 | 1282 | |
dcd56fdb DP |
1283 | if (adapter->driver_mismatch) |
1284 | return -EIO; | |
1285 | ||
3d396eb1 | 1286 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) { |
9f5bc7f1 DP |
1287 | err = netxen_nic_attach(adapter); |
1288 | if (err) | |
3d396eb1 | 1289 | return err; |
ed25ffa1 | 1290 | } |
2956640d | 1291 | |
9f5bc7f1 DP |
1292 | err = netxen_nic_up(adapter, netdev); |
1293 | if (err) | |
1294 | goto err_out; | |
05aaa02d | 1295 | |
dcd56fdb | 1296 | netif_start_queue(netdev); |
3d396eb1 AK |
1297 | |
1298 | return 0; | |
2956640d | 1299 | |
9f5bc7f1 DP |
1300 | err_out: |
1301 | netxen_nic_detach(adapter); | |
2956640d | 1302 | return err; |
3d396eb1 AK |
1303 | } |
1304 | ||
1305 | /* | |
1306 | * netxen_nic_close - Disables a network interface entry point | |
1307 | */ | |
1308 | static int netxen_nic_close(struct net_device *netdev) | |
1309 | { | |
3176ff3e | 1310 | struct netxen_adapter *adapter = netdev_priv(netdev); |
3d396eb1 | 1311 | |
9f5bc7f1 | 1312 | netxen_nic_down(adapter, netdev); |
3d396eb1 AK |
1313 | return 0; |
1314 | } | |
1315 | ||
1bcfd790 DP |
1316 | static void |
1317 | netxen_tso_check(struct net_device *netdev, | |
1318 | struct nx_host_tx_ring *tx_ring, | |
1319 | struct cmd_desc_type0 *first_desc, | |
1320 | struct sk_buff *skb) | |
cd1f8160 | 1321 | { |
391587c3 | 1322 | u8 opcode = TX_ETHER_PKT; |
cdff1036 DP |
1323 | __be16 protocol = skb->protocol; |
1324 | u16 flags = 0; | |
1bcfd790 DP |
1325 | u32 producer; |
1326 | int copied, offset, copy_len, hdr_len = 0, tso = 0; | |
1327 | struct cmd_desc_type0 *hwdesc; | |
cdff1036 | 1328 | |
09640e63 | 1329 | if (protocol == cpu_to_be16(ETH_P_8021Q)) { |
cdff1036 DP |
1330 | struct vlan_ethhdr *vh = (struct vlan_ethhdr *)skb->data; |
1331 | protocol = vh->h_vlan_encapsulated_proto; | |
1332 | flags = FLAGS_VLAN_TAGGED; | |
1333 | } | |
cd1f8160 | 1334 | |
391587c3 DP |
1335 | if ((netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) && |
1336 | skb_shinfo(skb)->gso_size > 0) { | |
1337 | ||
1bcfd790 DP |
1338 | hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); |
1339 | ||
1340 | first_desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size); | |
1341 | first_desc->total_hdr_length = hdr_len; | |
391587c3 | 1342 | |
09640e63 | 1343 | opcode = (protocol == cpu_to_be16(ETH_P_IPV6)) ? |
391587c3 | 1344 | TX_TCP_LSO6 : TX_TCP_LSO; |
1bcfd790 | 1345 | tso = 1; |
cd1f8160 DP |
1346 | |
1347 | } else if (skb->ip_summed == CHECKSUM_PARTIAL) { | |
391587c3 DP |
1348 | u8 l4proto; |
1349 | ||
09640e63 | 1350 | if (protocol == cpu_to_be16(ETH_P_IP)) { |
391587c3 DP |
1351 | l4proto = ip_hdr(skb)->protocol; |
1352 | ||
1353 | if (l4proto == IPPROTO_TCP) | |
1354 | opcode = TX_TCP_PKT; | |
1355 | else if(l4proto == IPPROTO_UDP) | |
1356 | opcode = TX_UDP_PKT; | |
09640e63 | 1357 | } else if (protocol == cpu_to_be16(ETH_P_IPV6)) { |
391587c3 DP |
1358 | l4proto = ipv6_hdr(skb)->nexthdr; |
1359 | ||
1360 | if (l4proto == IPPROTO_TCP) | |
1361 | opcode = TX_TCPV6_PKT; | |
1362 | else if(l4proto == IPPROTO_UDP) | |
1363 | opcode = TX_UDPV6_PKT; | |
1364 | } | |
cd1f8160 | 1365 | } |
1bcfd790 DP |
1366 | first_desc->tcp_hdr_offset = skb_transport_offset(skb); |
1367 | first_desc->ip_hdr_offset = skb_network_offset(skb); | |
1368 | netxen_set_tx_flags_opcode(first_desc, flags, opcode); | |
1369 | ||
1370 | if (!tso) | |
1371 | return; | |
1372 | ||
1373 | /* For LSO, we need to copy the MAC/IP/TCP headers into | |
1374 | * the descriptor ring | |
1375 | */ | |
1376 | producer = tx_ring->producer; | |
1377 | copied = 0; | |
1378 | offset = 2; | |
1379 | ||
1380 | while (copied < hdr_len) { | |
1381 | ||
1382 | copy_len = min((int)sizeof(struct cmd_desc_type0) - offset, | |
1383 | (hdr_len - copied)); | |
1384 | ||
1385 | hwdesc = &tx_ring->desc_head[producer]; | |
1386 | tx_ring->cmd_buf_arr[producer].skb = NULL; | |
1387 | ||
1388 | skb_copy_from_linear_data_offset(skb, copied, | |
1389 | (char *)hwdesc + offset, copy_len); | |
1390 | ||
1391 | copied += copy_len; | |
1392 | offset = 0; | |
1393 | ||
1394 | producer = get_next_index(producer, tx_ring->num_desc); | |
1395 | } | |
1396 | ||
1397 | tx_ring->producer = producer; | |
1398 | barrier(); | |
cd1f8160 DP |
1399 | } |
1400 | ||
6f703406 DP |
1401 | static void |
1402 | netxen_clean_tx_dma_mapping(struct pci_dev *pdev, | |
1403 | struct netxen_cmd_buffer *pbuf, int last) | |
1404 | { | |
1405 | int k; | |
1406 | struct netxen_skb_frag *buffrag; | |
1407 | ||
1408 | buffrag = &pbuf->frag_array[0]; | |
1409 | pci_unmap_single(pdev, buffrag->dma, | |
1410 | buffrag->length, PCI_DMA_TODEVICE); | |
1411 | ||
1412 | for (k = 1; k < last; k++) { | |
1413 | buffrag = &pbuf->frag_array[k]; | |
1414 | pci_unmap_page(pdev, buffrag->dma, | |
1415 | buffrag->length, PCI_DMA_TODEVICE); | |
1416 | } | |
1417 | } | |
1418 | ||
d32cc3d2 DP |
1419 | static inline void |
1420 | netxen_clear_cmddesc(u64 *desc) | |
1421 | { | |
1bcfd790 DP |
1422 | desc[0] = 0ULL; |
1423 | desc[2] = 0ULL; | |
d32cc3d2 DP |
1424 | } |
1425 | ||
1426 | static int | |
1427 | netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) | |
3d396eb1 | 1428 | { |
3176ff3e | 1429 | struct netxen_adapter *adapter = netdev_priv(netdev); |
4ea528a1 | 1430 | struct nx_host_tx_ring *tx_ring = adapter->tx_ring; |
1bcfd790 | 1431 | struct skb_frag_struct *frag; |
391587c3 | 1432 | struct netxen_cmd_buffer *pbuf; |
3d396eb1 | 1433 | struct netxen_skb_frag *buffrag; |
1bcfd790 DP |
1434 | struct cmd_desc_type0 *hwdesc, *first_desc; |
1435 | struct pci_dev *pdev; | |
6f703406 | 1436 | dma_addr_t temp_dma; |
391587c3 | 1437 | int i, k; |
1bcfd790 | 1438 | unsigned long offset; |
3d396eb1 | 1439 | |
cb2107be | 1440 | u32 producer; |
1bcfd790 | 1441 | int len, frag_count, no_of_desc; |
d877f1e3 | 1442 | u32 num_txd = tx_ring->num_desc; |
3d396eb1 | 1443 | |
3d396eb1 AK |
1444 | frag_count = skb_shinfo(skb)->nr_frags + 1; |
1445 | ||
d877f1e3 | 1446 | /* 4 fragments per cmd des */ |
3d396eb1 | 1447 | no_of_desc = (frag_count + 3) >> 2; |
53a01e00 | 1448 | |
cb2107be | 1449 | if (unlikely(no_of_desc + 2) > netxen_tx_avail(tx_ring)) { |
ba53e6b4 | 1450 | netif_stop_queue(netdev); |
ba53e6b4 | 1451 | return NETDEV_TX_BUSY; |
53a01e00 | 1452 | } |
3d396eb1 | 1453 | |
cb2107be DP |
1454 | producer = tx_ring->producer; |
1455 | ||
1bcfd790 DP |
1456 | pdev = adapter->pdev; |
1457 | len = skb->len - skb->data_len; | |
391587c3 | 1458 | |
1bcfd790 DP |
1459 | temp_dma = pci_map_single(pdev, skb->data, len, PCI_DMA_TODEVICE); |
1460 | if (pci_dma_mapping_error(pdev, temp_dma)) | |
1461 | goto drop_packet; | |
391587c3 | 1462 | |
1bcfd790 | 1463 | pbuf = &tx_ring->cmd_buf_arr[producer]; |
3d396eb1 | 1464 | pbuf->skb = skb; |
3d396eb1 | 1465 | pbuf->frag_count = frag_count; |
6f703406 | 1466 | |
1bcfd790 | 1467 | buffrag = &pbuf->frag_array[0]; |
6f703406 | 1468 | buffrag->dma = temp_dma; |
1bcfd790 DP |
1469 | buffrag->length = len; |
1470 | ||
1471 | first_desc = hwdesc = &tx_ring->desc_head[producer]; | |
1472 | netxen_clear_cmddesc((u64 *)hwdesc); | |
391587c3 DP |
1473 | netxen_set_tx_frags_len(hwdesc, frag_count, skb->len); |
1474 | netxen_set_tx_port(hwdesc, adapter->portnum); | |
3d396eb1 | 1475 | |
1bcfd790 DP |
1476 | hwdesc->buffer_length[0] = cpu_to_le16(len); |
1477 | hwdesc->addr_buffer1 = cpu_to_le64(temp_dma); | |
3d396eb1 AK |
1478 | |
1479 | for (i = 1, k = 1; i < frag_count; i++, k++) { | |
3d396eb1 AK |
1480 | |
1481 | /* move to next desc. if there is a need */ | |
1482 | if ((i & 0x3) == 0) { | |
1483 | k = 0; | |
ba53e6b4 | 1484 | producer = get_next_index(producer, num_txd); |
d877f1e3 | 1485 | hwdesc = &tx_ring->desc_head[producer]; |
d32cc3d2 | 1486 | netxen_clear_cmddesc((u64 *)hwdesc); |
d877f1e3 | 1487 | pbuf = &tx_ring->cmd_buf_arr[producer]; |
53a01e00 | 1488 | pbuf->skb = NULL; |
3d396eb1 | 1489 | } |
1bcfd790 | 1490 | buffrag = &pbuf->frag_array[i]; |
3d396eb1 AK |
1491 | frag = &skb_shinfo(skb)->frags[i - 1]; |
1492 | len = frag->size; | |
1493 | offset = frag->page_offset; | |
1494 | ||
6f703406 | 1495 | temp_dma = pci_map_page(pdev, frag->page, offset, |
3d396eb1 | 1496 | len, PCI_DMA_TODEVICE); |
6f703406 DP |
1497 | if (pci_dma_mapping_error(pdev, temp_dma)) { |
1498 | netxen_clean_tx_dma_mapping(pdev, pbuf, i); | |
1499 | goto drop_packet; | |
1500 | } | |
3d396eb1 | 1501 | |
3d396eb1 | 1502 | buffrag->dma = temp_dma; |
1bcfd790 | 1503 | buffrag->length = len; |
3d396eb1 | 1504 | |
1bcfd790 | 1505 | hwdesc->buffer_length[k] = cpu_to_le16(len); |
3d396eb1 AK |
1506 | switch (k) { |
1507 | case 0: | |
3d396eb1 AK |
1508 | hwdesc->addr_buffer1 = cpu_to_le64(temp_dma); |
1509 | break; | |
1510 | case 1: | |
3d396eb1 AK |
1511 | hwdesc->addr_buffer2 = cpu_to_le64(temp_dma); |
1512 | break; | |
1513 | case 2: | |
3d396eb1 AK |
1514 | hwdesc->addr_buffer3 = cpu_to_le64(temp_dma); |
1515 | break; | |
1516 | case 3: | |
3d396eb1 AK |
1517 | hwdesc->addr_buffer4 = cpu_to_le64(temp_dma); |
1518 | break; | |
1519 | } | |
3d396eb1 | 1520 | } |
1bcfd790 | 1521 | tx_ring->producer = get_next_index(producer, num_txd); |
3d396eb1 | 1522 | |
1bcfd790 | 1523 | netxen_tso_check(netdev, tx_ring, first_desc, skb); |
6c80b18d | 1524 | |
cb2107be | 1525 | netxen_nic_update_cmd_producer(adapter, tx_ring); |
3d396eb1 | 1526 | |
1bcfd790 | 1527 | adapter->stats.txbytes += skb->len; |
ba53e6b4 | 1528 | adapter->stats.xmitcalled++; |
3d396eb1 | 1529 | |
3d396eb1 | 1530 | return NETDEV_TX_OK; |
6f703406 DP |
1531 | |
1532 | drop_packet: | |
1533 | adapter->stats.txdropped++; | |
1534 | dev_kfree_skb_any(skb); | |
1535 | return NETDEV_TX_OK; | |
3d396eb1 AK |
1536 | } |
1537 | ||
a97342f9 DP |
1538 | static int netxen_nic_check_temp(struct netxen_adapter *adapter) |
1539 | { | |
1540 | struct net_device *netdev = adapter->netdev; | |
1541 | uint32_t temp, temp_state, temp_val; | |
1542 | int rv = 0; | |
1543 | ||
f98a9f69 | 1544 | temp = NXRD32(adapter, CRB_TEMP_STATE); |
a97342f9 DP |
1545 | |
1546 | temp_state = nx_get_temp_state(temp); | |
1547 | temp_val = nx_get_temp_val(temp); | |
1548 | ||
1549 | if (temp_state == NX_TEMP_PANIC) { | |
1550 | printk(KERN_ALERT | |
1551 | "%s: Device temperature %d degrees C exceeds" | |
1552 | " maximum allowed. Hardware has been shut down.\n", | |
e4135c2d DP |
1553 | netdev->name, temp_val); |
1554 | ||
1555 | netif_device_detach(netdev); | |
1556 | netxen_nic_down(adapter, netdev); | |
1557 | netxen_nic_detach(adapter); | |
a97342f9 | 1558 | |
a97342f9 DP |
1559 | rv = 1; |
1560 | } else if (temp_state == NX_TEMP_WARN) { | |
1561 | if (adapter->temp == NX_TEMP_NORMAL) { | |
1562 | printk(KERN_ALERT | |
1563 | "%s: Device temperature %d degrees C " | |
1564 | "exceeds operating range." | |
1565 | " Immediate action needed.\n", | |
e4135c2d | 1566 | netdev->name, temp_val); |
a97342f9 DP |
1567 | } |
1568 | } else { | |
1569 | if (adapter->temp == NX_TEMP_WARN) { | |
1570 | printk(KERN_INFO | |
1571 | "%s: Device temperature is now %d degrees C" | |
e4135c2d | 1572 | " in normal range.\n", netdev->name, |
a97342f9 DP |
1573 | temp_val); |
1574 | } | |
1575 | } | |
1576 | adapter->temp = temp_state; | |
1577 | return rv; | |
1578 | } | |
1579 | ||
3bf26ce3 | 1580 | void netxen_advert_link_change(struct netxen_adapter *adapter, int linkup) |
a97342f9 DP |
1581 | { |
1582 | struct net_device *netdev = adapter->netdev; | |
a97342f9 DP |
1583 | |
1584 | if (adapter->ahw.linkup && !linkup) { | |
1585 | printk(KERN_INFO "%s: %s NIC Link is down\n", | |
1586 | netxen_nic_driver_name, netdev->name); | |
1587 | adapter->ahw.linkup = 0; | |
1588 | if (netif_running(netdev)) { | |
1589 | netif_carrier_off(netdev); | |
1590 | netif_stop_queue(netdev); | |
1591 | } | |
c7860a2a | 1592 | |
3bf26ce3 DP |
1593 | if (!adapter->has_link_events) |
1594 | netxen_nic_set_link_parameters(adapter); | |
1595 | ||
a97342f9 DP |
1596 | } else if (!adapter->ahw.linkup && linkup) { |
1597 | printk(KERN_INFO "%s: %s NIC Link is up\n", | |
1598 | netxen_nic_driver_name, netdev->name); | |
1599 | adapter->ahw.linkup = 1; | |
1600 | if (netif_running(netdev)) { | |
1601 | netif_carrier_on(netdev); | |
1602 | netif_wake_queue(netdev); | |
1603 | } | |
c7860a2a | 1604 | |
3bf26ce3 DP |
1605 | if (!adapter->has_link_events) |
1606 | netxen_nic_set_link_parameters(adapter); | |
a97342f9 DP |
1607 | } |
1608 | } | |
1609 | ||
3bf26ce3 DP |
1610 | static void netxen_nic_handle_phy_intr(struct netxen_adapter *adapter) |
1611 | { | |
1612 | u32 val, port, linkup; | |
1613 | ||
1614 | port = adapter->physical_port; | |
1615 | ||
1616 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { | |
f98a9f69 | 1617 | val = NXRD32(adapter, CRB_XG_STATE_P3); |
3bf26ce3 DP |
1618 | val = XG_LINK_STATE_P3(adapter->ahw.pci_func, val); |
1619 | linkup = (val == XG_LINK_UP_P3); | |
1620 | } else { | |
f98a9f69 | 1621 | val = NXRD32(adapter, CRB_XG_STATE); |
3bf26ce3 DP |
1622 | if (adapter->ahw.port_type == NETXEN_NIC_GBE) |
1623 | linkup = (val >> port) & 1; | |
1624 | else { | |
1625 | val = (val >> port*8) & 0xff; | |
1626 | linkup = (val == XG_LINK_UP); | |
1627 | } | |
1628 | } | |
1629 | ||
1630 | netxen_advert_link_change(adapter, linkup); | |
1631 | } | |
1632 | ||
3d396eb1 AK |
1633 | static void netxen_watchdog(unsigned long v) |
1634 | { | |
1635 | struct netxen_adapter *adapter = (struct netxen_adapter *)v; | |
ed25ffa1 AK |
1636 | |
1637 | SCHEDULE_WORK(&adapter->watchdog_task); | |
3d396eb1 AK |
1638 | } |
1639 | ||
a97342f9 DP |
1640 | void netxen_watchdog_task(struct work_struct *work) |
1641 | { | |
1642 | struct netxen_adapter *adapter = | |
1643 | container_of(work, struct netxen_adapter, watchdog_task); | |
1644 | ||
e4135c2d | 1645 | if (netxen_nic_check_temp(adapter)) |
a97342f9 DP |
1646 | return; |
1647 | ||
3bf26ce3 DP |
1648 | if (!adapter->has_link_events) |
1649 | netxen_nic_handle_phy_intr(adapter); | |
a97342f9 | 1650 | |
922c4f2c DP |
1651 | if (netif_running(adapter->netdev)) |
1652 | mod_timer(&adapter->watchdog_timer, jiffies + 2 * HZ); | |
a97342f9 DP |
1653 | } |
1654 | ||
3d396eb1 AK |
1655 | static void netxen_tx_timeout(struct net_device *netdev) |
1656 | { | |
3176ff3e MT |
1657 | struct netxen_adapter *adapter = (struct netxen_adapter *) |
1658 | netdev_priv(netdev); | |
1659 | SCHEDULE_WORK(&adapter->tx_timeout_task); | |
3d396eb1 AK |
1660 | } |
1661 | ||
6d5aefb8 | 1662 | static void netxen_tx_timeout_task(struct work_struct *work) |
3d396eb1 | 1663 | { |
4790654c | 1664 | struct netxen_adapter *adapter = |
3176ff3e | 1665 | container_of(work, struct netxen_adapter, tx_timeout_task); |
3d396eb1 | 1666 | |
b2af9cb0 DP |
1667 | if (!netif_running(adapter->netdev)) |
1668 | return; | |
1669 | ||
3d396eb1 | 1670 | printk(KERN_ERR "%s %s: transmit timeout, resetting.\n", |
6c80b18d | 1671 | netxen_nic_driver_name, adapter->netdev->name); |
3d396eb1 | 1672 | |
d8b100c5 | 1673 | netxen_napi_disable(adapter); |
ba53e6b4 | 1674 | |
6c80b18d | 1675 | adapter->netdev->trans_start = jiffies; |
ba53e6b4 | 1676 | |
d8b100c5 | 1677 | netxen_napi_enable(adapter); |
6c80b18d | 1678 | netif_wake_queue(adapter->netdev); |
3d396eb1 AK |
1679 | } |
1680 | ||
a97342f9 DP |
1681 | struct net_device_stats *netxen_nic_get_stats(struct net_device *netdev) |
1682 | { | |
1683 | struct netxen_adapter *adapter = netdev_priv(netdev); | |
1684 | struct net_device_stats *stats = &adapter->net_stats; | |
1685 | ||
1686 | memset(stats, 0, sizeof(*stats)); | |
1687 | ||
a97342f9 | 1688 | stats->rx_packets = adapter->stats.no_rcv; |
e98e3350 | 1689 | stats->tx_packets = adapter->stats.xmitfinished; |
a97342f9 | 1690 | stats->rx_bytes = adapter->stats.rxbytes; |
a97342f9 | 1691 | stats->tx_bytes = adapter->stats.txbytes; |
a97342f9 | 1692 | stats->rx_dropped = adapter->stats.rxdropped; |
a97342f9 DP |
1693 | stats->tx_dropped = adapter->stats.txdropped; |
1694 | ||
1695 | return stats; | |
1696 | } | |
1697 | ||
e4c93c81 | 1698 | static irqreturn_t netxen_intr(int irq, void *data) |
3d396eb1 | 1699 | { |
d8b100c5 DP |
1700 | struct nx_host_sds_ring *sds_ring = data; |
1701 | struct netxen_adapter *adapter = sds_ring->adapter; | |
d71e1be8 DP |
1702 | u32 status = 0; |
1703 | ||
1704 | status = adapter->pci_read_immediate(adapter, ISR_INT_VECTOR); | |
1705 | ||
1706 | if (!(status & adapter->legacy_intr.int_vec_bit)) | |
05aaa02d | 1707 | return IRQ_NONE; |
e01872af | 1708 | |
d71e1be8 DP |
1709 | if (adapter->ahw.revision_id >= NX_P3_B1) { |
1710 | /* check interrupt state machine, to be sure */ | |
1711 | status = adapter->pci_read_immediate(adapter, | |
1712 | ISR_INT_STATE_REG); | |
1713 | if (!ISR_LEGACY_INT_TRIGGERED(status)) | |
1714 | return IRQ_NONE; | |
1715 | ||
092bc571 DP |
1716 | } else { |
1717 | unsigned long our_int = 0; | |
d71e1be8 | 1718 | |
f98a9f69 | 1719 | our_int = NXRD32(adapter, CRB_INT_VECTOR); |
092bc571 | 1720 | |
d71e1be8 | 1721 | /* not our interrupt */ |
092bc571 | 1722 | if (!test_and_clear_bit((7 + adapter->portnum), &our_int)) |
d71e1be8 DP |
1723 | return IRQ_NONE; |
1724 | ||
092bc571 | 1725 | /* claim interrupt */ |
f98a9f69 | 1726 | NXWR32(adapter, CRB_INT_VECTOR, (our_int & 0xffffffff)); |
e01872af | 1727 | } |
1728 | ||
092bc571 | 1729 | /* clear interrupt */ |
4f96b988 | 1730 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) |
d8b100c5 | 1731 | netxen_nic_disable_int(sds_ring); |
092bc571 DP |
1732 | |
1733 | adapter->pci_write_immediate(adapter, | |
1734 | adapter->legacy_intr.tgt_status_reg, | |
1735 | 0xffffffff); | |
1736 | /* read twice to ensure write is flushed */ | |
1737 | adapter->pci_read_immediate(adapter, ISR_INT_VECTOR); | |
1738 | adapter->pci_read_immediate(adapter, ISR_INT_VECTOR); | |
1739 | ||
d8b100c5 | 1740 | napi_schedule(&sds_ring->napi); |
3d396eb1 AK |
1741 | |
1742 | return IRQ_HANDLED; | |
1743 | } | |
1744 | ||
e4c93c81 | 1745 | static irqreturn_t netxen_msi_intr(int irq, void *data) |
05aaa02d | 1746 | { |
d8b100c5 DP |
1747 | struct nx_host_sds_ring *sds_ring = data; |
1748 | struct netxen_adapter *adapter = sds_ring->adapter; | |
05aaa02d | 1749 | |
092bc571 DP |
1750 | /* clear interrupt */ |
1751 | adapter->pci_write_immediate(adapter, | |
7a2469ce | 1752 | adapter->msi_tgt_status, 0xffffffff); |
092bc571 | 1753 | |
d8b100c5 | 1754 | napi_schedule(&sds_ring->napi); |
05aaa02d DP |
1755 | return IRQ_HANDLED; |
1756 | } | |
1757 | ||
b3df68f8 DP |
1758 | static irqreturn_t netxen_msix_intr(int irq, void *data) |
1759 | { | |
d8b100c5 | 1760 | struct nx_host_sds_ring *sds_ring = data; |
b3df68f8 | 1761 | |
d8b100c5 | 1762 | napi_schedule(&sds_ring->napi); |
b3df68f8 DP |
1763 | return IRQ_HANDLED; |
1764 | } | |
1765 | ||
bea3348e | 1766 | static int netxen_nic_poll(struct napi_struct *napi, int budget) |
3d396eb1 | 1767 | { |
d8b100c5 DP |
1768 | struct nx_host_sds_ring *sds_ring = |
1769 | container_of(napi, struct nx_host_sds_ring, napi); | |
1770 | ||
1771 | struct netxen_adapter *adapter = sds_ring->adapter; | |
1772 | ||
05aaa02d | 1773 | int tx_complete; |
bea3348e | 1774 | int work_done; |
3d396eb1 | 1775 | |
05aaa02d | 1776 | tx_complete = netxen_process_cmd_ring(adapter); |
3d396eb1 | 1777 | |
d8b100c5 | 1778 | work_done = netxen_process_rcv_ring(sds_ring, budget); |
3d396eb1 | 1779 | |
05aaa02d | 1780 | if ((work_done < budget) && tx_complete) { |
d8b100c5 | 1781 | napi_complete(&sds_ring->napi); |
b2af9cb0 DP |
1782 | if (netif_running(adapter->netdev)) |
1783 | netxen_nic_enable_int(sds_ring); | |
3d396eb1 AK |
1784 | } |
1785 | ||
bea3348e | 1786 | return work_done; |
3d396eb1 AK |
1787 | } |
1788 | ||
1789 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
1790 | static void netxen_nic_poll_controller(struct net_device *netdev) | |
1791 | { | |
3176ff3e | 1792 | struct netxen_adapter *adapter = netdev_priv(netdev); |
3d396eb1 | 1793 | disable_irq(adapter->irq); |
1494a814 | 1794 | netxen_intr(adapter->irq, adapter); |
3d396eb1 AK |
1795 | enable_irq(adapter->irq); |
1796 | } | |
1797 | #endif | |
3d396eb1 | 1798 | |
6598b169 DP |
1799 | #define is_netxen_netdev(dev) (dev->netdev_ops == &netxen_netdev_ops) |
1800 | ||
1801 | static int | |
1802 | netxen_destip_supported(struct netxen_adapter *adapter) | |
1803 | { | |
1804 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) | |
1805 | return 0; | |
1806 | ||
1807 | if (adapter->ahw.cut_through) | |
1808 | return 0; | |
1809 | ||
1810 | return 1; | |
1811 | } | |
1812 | ||
1813 | static int netxen_netdev_event(struct notifier_block *this, | |
1814 | unsigned long event, void *ptr) | |
1815 | { | |
1816 | struct netxen_adapter *adapter; | |
1817 | struct net_device *dev = (struct net_device *)ptr; | |
1818 | struct in_device *indev; | |
1819 | ||
1820 | recheck: | |
1821 | if (dev == NULL) | |
1822 | goto done; | |
1823 | ||
1824 | if (dev->priv_flags & IFF_802_1Q_VLAN) { | |
1825 | dev = vlan_dev_real_dev(dev); | |
1826 | goto recheck; | |
1827 | } | |
1828 | ||
1829 | if (!is_netxen_netdev(dev)) | |
1830 | goto done; | |
1831 | ||
1832 | adapter = netdev_priv(dev); | |
1833 | ||
1834 | if (!adapter || !netxen_destip_supported(adapter)) | |
1835 | goto done; | |
1836 | ||
1837 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) | |
1838 | goto done; | |
1839 | ||
1840 | indev = in_dev_get(dev); | |
1841 | if (!indev) | |
1842 | goto done; | |
1843 | ||
1844 | for_ifa(indev) { | |
1845 | switch (event) { | |
1846 | case NETDEV_UP: | |
1847 | netxen_config_ipaddr(adapter, | |
1848 | ifa->ifa_address, NX_IP_UP); | |
1849 | break; | |
1850 | case NETDEV_DOWN: | |
1851 | netxen_config_ipaddr(adapter, | |
1852 | ifa->ifa_address, NX_IP_DOWN); | |
1853 | break; | |
1854 | default: | |
1855 | break; | |
1856 | } | |
1857 | } endfor_ifa(indev); | |
1858 | ||
1859 | in_dev_put(indev); | |
1860 | done: | |
1861 | return NOTIFY_DONE; | |
1862 | } | |
1863 | ||
1864 | static int | |
1865 | netxen_inetaddr_event(struct notifier_block *this, | |
1866 | unsigned long event, void *ptr) | |
1867 | { | |
1868 | struct netxen_adapter *adapter; | |
1869 | struct net_device *dev; | |
1870 | ||
1871 | struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; | |
1872 | ||
1873 | dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; | |
1874 | ||
1875 | recheck: | |
1876 | if (dev == NULL || !netif_running(dev)) | |
1877 | goto done; | |
1878 | ||
1879 | if (dev->priv_flags & IFF_802_1Q_VLAN) { | |
1880 | dev = vlan_dev_real_dev(dev); | |
1881 | goto recheck; | |
1882 | } | |
1883 | ||
1884 | if (!is_netxen_netdev(dev)) | |
1885 | goto done; | |
1886 | ||
1887 | adapter = netdev_priv(dev); | |
1888 | ||
1889 | if (!adapter || !netxen_destip_supported(adapter)) | |
1890 | goto done; | |
1891 | ||
1892 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) | |
1893 | goto done; | |
1894 | ||
1895 | switch (event) { | |
1896 | case NETDEV_UP: | |
1897 | netxen_config_ipaddr(adapter, ifa->ifa_address, NX_IP_UP); | |
1898 | break; | |
1899 | case NETDEV_DOWN: | |
1900 | netxen_config_ipaddr(adapter, ifa->ifa_address, NX_IP_DOWN); | |
1901 | break; | |
1902 | default: | |
1903 | break; | |
1904 | } | |
1905 | ||
1906 | done: | |
1907 | return NOTIFY_DONE; | |
1908 | } | |
1909 | ||
1910 | static struct notifier_block netxen_netdev_cb = { | |
1911 | .notifier_call = netxen_netdev_event, | |
1912 | }; | |
1913 | ||
1914 | static struct notifier_block netxen_inetaddr_cb = { | |
1915 | .notifier_call = netxen_inetaddr_event, | |
1916 | }; | |
1917 | ||
3d396eb1 AK |
1918 | static struct pci_driver netxen_driver = { |
1919 | .name = netxen_nic_driver_name, | |
1920 | .id_table = netxen_pci_tbl, | |
1921 | .probe = netxen_nic_probe, | |
0b72e659 | 1922 | .remove = __devexit_p(netxen_nic_remove), |
01542cd1 | 1923 | #ifdef CONFIG_PM |
0b72e659 DP |
1924 | .suspend = netxen_nic_suspend, |
1925 | .resume = netxen_nic_resume | |
01542cd1 | 1926 | #endif |
3d396eb1 AK |
1927 | }; |
1928 | ||
3d396eb1 AK |
1929 | static int __init netxen_init_module(void) |
1930 | { | |
ff4fbd43 DP |
1931 | printk(KERN_INFO "%s\n", netxen_nic_driver_string); |
1932 | ||
79ea13ce | 1933 | if ((netxen_workq = create_singlethread_workqueue("netxen")) == NULL) |
ed25ffa1 AK |
1934 | return -ENOMEM; |
1935 | ||
6598b169 DP |
1936 | register_netdevice_notifier(&netxen_netdev_cb); |
1937 | register_inetaddr_notifier(&netxen_inetaddr_cb); | |
1938 | ||
184231bd | 1939 | return pci_register_driver(&netxen_driver); |
3d396eb1 AK |
1940 | } |
1941 | ||
1942 | module_init(netxen_init_module); | |
1943 | ||
1944 | static void __exit netxen_exit_module(void) | |
1945 | { | |
3d396eb1 | 1946 | pci_unregister_driver(&netxen_driver); |
6598b169 DP |
1947 | |
1948 | unregister_inetaddr_notifier(&netxen_inetaddr_cb); | |
1949 | unregister_netdevice_notifier(&netxen_netdev_cb); | |
9de06610 | 1950 | destroy_workqueue(netxen_workq); |
3d396eb1 AK |
1951 | } |
1952 | ||
1953 | module_exit(netxen_exit_module); |