]>
Commit | Line | Data |
---|---|---|
3d396eb1 | 1 | /* |
5d242f1c | 2 | * Copyright (C) 2003 - 2009 NetXen, Inc. |
13af7a6e | 3 | * Copyright (C) 2009 - QLogic Corporation. |
3d396eb1 | 4 | * All rights reserved. |
80922fbc | 5 | * |
3d396eb1 AK |
6 | * This program is free software; you can redistribute it and/or |
7 | * modify it under the terms of the GNU General Public License | |
8 | * as published by the Free Software Foundation; either version 2 | |
9 | * of the License, or (at your option) any later version. | |
80922fbc | 10 | * |
3d396eb1 AK |
11 | * This program is distributed in the hope that it will be useful, but |
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
80922fbc | 15 | * |
3d396eb1 AK |
16 | * You should have received a copy of the GNU General Public License |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, | |
19 | * MA 02111-1307, USA. | |
80922fbc | 20 | * |
3d396eb1 AK |
21 | * The full GNU General Public License is included in this distribution |
22 | * in the file called LICENSE. | |
80922fbc | 23 | * |
3d396eb1 AK |
24 | */ |
25 | ||
cb8011ad | 26 | #include <linux/vmalloc.h> |
e98e3350 | 27 | #include <linux/interrupt.h> |
3d396eb1 AK |
28 | #include "netxen_nic_hw.h" |
29 | ||
30 | #include "netxen_nic.h" | |
3d396eb1 | 31 | |
1494a814 | 32 | #include <linux/dma-mapping.h> |
391587c3 | 33 | #include <linux/if_vlan.h> |
c9bdd4b5 | 34 | #include <net/ip.h> |
00977784 | 35 | #include <linux/ipv6.h> |
6598b169 | 36 | #include <linux/inetdevice.h> |
1494a814 | 37 | |
3d396eb1 AK |
38 | MODULE_DESCRIPTION("NetXen Multi port (1/10) Gigabit Network Driver"); |
39 | MODULE_LICENSE("GPL"); | |
40 | MODULE_VERSION(NETXEN_NIC_LINUX_VERSIONID); | |
41 | ||
ceded32f | 42 | char netxen_nic_driver_name[] = "netxen_nic"; |
3d396eb1 | 43 | static char netxen_nic_driver_string[] = "NetXen Network Driver version " |
cb8011ad | 44 | NETXEN_NIC_LINUX_VERSIONID; |
3d396eb1 | 45 | |
2956640d DP |
46 | static int port_mode = NETXEN_PORT_MODE_AUTO_NEG; |
47 | ||
48 | /* Default to restricted 1G auto-neg mode */ | |
49 | static int wol_port_mode = 5; | |
50 | ||
51 | static int use_msi = 1; | |
52 | ||
53 | static int use_msi_x = 1; | |
54 | ||
caa2dd53 NK |
55 | static unsigned long auto_fw_reset = AUTO_FW_RESET_ENABLED; |
56 | ||
3d396eb1 AK |
57 | /* Local functions to NetXen NIC driver */ |
58 | static int __devinit netxen_nic_probe(struct pci_dev *pdev, | |
2956640d | 59 | const struct pci_device_id *ent); |
3d396eb1 AK |
60 | static void __devexit netxen_nic_remove(struct pci_dev *pdev); |
61 | static int netxen_nic_open(struct net_device *netdev); | |
62 | static int netxen_nic_close(struct net_device *netdev); | |
61357325 SH |
63 | static netdev_tx_t netxen_nic_xmit_frame(struct sk_buff *, |
64 | struct net_device *); | |
3d396eb1 | 65 | static void netxen_tx_timeout(struct net_device *netdev); |
74c520da | 66 | static void netxen_tx_timeout_task(struct work_struct *work); |
6a581e93 DP |
67 | static void netxen_fw_poll_work(struct work_struct *work); |
68 | static void netxen_schedule_work(struct netxen_adapter *adapter, | |
69 | work_func_t func, int delay); | |
70 | static void netxen_cancel_fw_work(struct netxen_adapter *adapter); | |
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 | |
fa3ce355 NK |
75 | |
76 | static void netxen_create_sysfs_entries(struct netxen_adapter *adapter); | |
77 | static void netxen_remove_sysfs_entries(struct netxen_adapter *adapter); | |
70f9cf89 DP |
78 | static void netxen_create_diag_entries(struct netxen_adapter *adapter); |
79 | static void netxen_remove_diag_entries(struct netxen_adapter *adapter); | |
fa3ce355 | 80 | |
6a581e93 DP |
81 | static int nx_decr_dev_ref_cnt(struct netxen_adapter *adapter); |
82 | static int netxen_can_start_firmware(struct netxen_adapter *adapter); | |
83 | ||
1494a814 | 84 | static irqreturn_t netxen_intr(int irq, void *data); |
05aaa02d | 85 | static irqreturn_t netxen_msi_intr(int irq, void *data); |
b3df68f8 | 86 | static irqreturn_t netxen_msix_intr(int irq, void *data); |
3d396eb1 | 87 | |
d0725e4d AKS |
88 | static void netxen_config_indev_addr(struct net_device *dev, unsigned long); |
89 | ||
3d396eb1 | 90 | /* PCI Device ID Table */ |
70081ac5 | 91 | #define ENTRY(device) \ |
040dec3b | 92 | {PCI_DEVICE(PCI_VENDOR_ID_NETXEN, (device)), \ |
70081ac5 AV |
93 | .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0} |
94 | ||
3d396eb1 | 95 | static struct pci_device_id netxen_pci_tbl[] __devinitdata = { |
040dec3b DP |
96 | ENTRY(PCI_DEVICE_ID_NX2031_10GXSR), |
97 | ENTRY(PCI_DEVICE_ID_NX2031_10GCX4), | |
98 | ENTRY(PCI_DEVICE_ID_NX2031_4GCU), | |
99 | ENTRY(PCI_DEVICE_ID_NX2031_IMEZ), | |
100 | ENTRY(PCI_DEVICE_ID_NX2031_HMEZ), | |
101 | ENTRY(PCI_DEVICE_ID_NX2031_XG_MGMT), | |
102 | ENTRY(PCI_DEVICE_ID_NX2031_XG_MGMT2), | |
103 | ENTRY(PCI_DEVICE_ID_NX3031), | |
3d396eb1 AK |
104 | {0,} |
105 | }; | |
106 | ||
107 | MODULE_DEVICE_TABLE(pci, netxen_pci_tbl); | |
108 | ||
7830b22c DP |
109 | static uint32_t crb_cmd_producer[4] = { |
110 | CRB_CMD_PRODUCER_OFFSET, CRB_CMD_PRODUCER_OFFSET_1, | |
111 | CRB_CMD_PRODUCER_OFFSET_2, CRB_CMD_PRODUCER_OFFSET_3 | |
112 | }; | |
113 | ||
c9fc891f | 114 | void |
3ce06a32 | 115 | netxen_nic_update_cmd_producer(struct netxen_adapter *adapter, |
cb2107be | 116 | struct nx_host_tx_ring *tx_ring) |
3176ff3e | 117 | { |
195c5f98 | 118 | NXWRIO(adapter, tx_ring->crb_cmd_producer, tx_ring->producer); |
cb2107be DP |
119 | |
120 | if (netxen_tx_avail(tx_ring) <= TX_STOP_THRESH) { | |
121 | netif_stop_queue(adapter->netdev); | |
122 | smp_mb(); | |
123 | } | |
3176ff3e MT |
124 | } |
125 | ||
7830b22c DP |
126 | static uint32_t crb_cmd_consumer[4] = { |
127 | CRB_CMD_CONSUMER_OFFSET, CRB_CMD_CONSUMER_OFFSET_1, | |
128 | CRB_CMD_CONSUMER_OFFSET_2, CRB_CMD_CONSUMER_OFFSET_3 | |
129 | }; | |
130 | ||
3ce06a32 DP |
131 | static inline void |
132 | netxen_nic_update_cmd_consumer(struct netxen_adapter *adapter, | |
cb2107be | 133 | struct nx_host_tx_ring *tx_ring) |
3176ff3e | 134 | { |
195c5f98 | 135 | NXWRIO(adapter, tx_ring->crb_cmd_consumer, tx_ring->sw_consumer); |
3176ff3e MT |
136 | } |
137 | ||
2956640d | 138 | static uint32_t msi_tgt_status[8] = { |
443be796 | 139 | ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, |
2956640d DP |
140 | ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3, |
141 | ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5, | |
142 | ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7 | |
443be796 DP |
143 | }; |
144 | ||
2956640d DP |
145 | static struct netxen_legacy_intr_set legacy_intr[] = NX_LEGACY_INTR_CONFIG; |
146 | ||
d8b100c5 | 147 | static inline void netxen_nic_disable_int(struct nx_host_sds_ring *sds_ring) |
4638aef1 | 148 | { |
d8b100c5 DP |
149 | struct netxen_adapter *adapter = sds_ring->adapter; |
150 | ||
195c5f98 | 151 | NXWRIO(adapter, sds_ring->crb_intr_mask, 0); |
4638aef1 SH |
152 | } |
153 | ||
d8b100c5 | 154 | static inline void netxen_nic_enable_int(struct nx_host_sds_ring *sds_ring) |
4638aef1 | 155 | { |
d8b100c5 DP |
156 | struct netxen_adapter *adapter = sds_ring->adapter; |
157 | ||
195c5f98 | 158 | NXWRIO(adapter, sds_ring->crb_intr_mask, 0x1); |
4638aef1 | 159 | |
092bc571 | 160 | if (!NETXEN_IS_MSI_FAMILY(adapter)) |
195c5f98 | 161 | NXWRIO(adapter, adapter->tgt_mask_reg, 0xfbff); |
4638aef1 SH |
162 | } |
163 | ||
71dcddbd DP |
164 | static int |
165 | netxen_alloc_sds_rings(struct netxen_recv_context *recv_ctx, int count) | |
166 | { | |
167 | int size = sizeof(struct nx_host_sds_ring) * count; | |
168 | ||
169 | recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL); | |
170 | ||
171 | return (recv_ctx->sds_rings == NULL); | |
172 | } | |
173 | ||
d8b100c5 | 174 | static void |
71dcddbd DP |
175 | netxen_free_sds_rings(struct netxen_recv_context *recv_ctx) |
176 | { | |
177 | if (recv_ctx->sds_rings != NULL) | |
178 | kfree(recv_ctx->sds_rings); | |
232e7d68 DP |
179 | |
180 | recv_ctx->sds_rings = NULL; | |
71dcddbd DP |
181 | } |
182 | ||
183 | static int | |
d8b100c5 DP |
184 | netxen_napi_add(struct netxen_adapter *adapter, struct net_device *netdev) |
185 | { | |
186 | int ring; | |
187 | struct nx_host_sds_ring *sds_ring; | |
188 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; | |
189 | ||
71dcddbd | 190 | if (netxen_alloc_sds_rings(recv_ctx, adapter->max_sds_rings)) |
f17443f4 | 191 | return -ENOMEM; |
71dcddbd | 192 | |
d8b100c5 DP |
193 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
194 | sds_ring = &recv_ctx->sds_rings[ring]; | |
195 | netif_napi_add(netdev, &sds_ring->napi, | |
196 | netxen_nic_poll, NETXEN_NETDEV_WEIGHT); | |
197 | } | |
71dcddbd DP |
198 | |
199 | return 0; | |
d8b100c5 DP |
200 | } |
201 | ||
232e7d68 DP |
202 | static void |
203 | netxen_napi_del(struct netxen_adapter *adapter) | |
204 | { | |
205 | int ring; | |
206 | struct nx_host_sds_ring *sds_ring; | |
207 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; | |
208 | ||
209 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
210 | sds_ring = &recv_ctx->sds_rings[ring]; | |
211 | netif_napi_del(&sds_ring->napi); | |
212 | } | |
213 | ||
214 | netxen_free_sds_rings(&adapter->recv_ctx); | |
215 | } | |
216 | ||
d8b100c5 DP |
217 | static void |
218 | netxen_napi_enable(struct netxen_adapter *adapter) | |
219 | { | |
220 | int ring; | |
221 | struct nx_host_sds_ring *sds_ring; | |
222 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; | |
223 | ||
224 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
225 | sds_ring = &recv_ctx->sds_rings[ring]; | |
226 | napi_enable(&sds_ring->napi); | |
227 | netxen_nic_enable_int(sds_ring); | |
228 | } | |
229 | } | |
230 | ||
231 | static void | |
232 | netxen_napi_disable(struct netxen_adapter *adapter) | |
233 | { | |
234 | int ring; | |
235 | struct nx_host_sds_ring *sds_ring; | |
236 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; | |
237 | ||
238 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
239 | sds_ring = &recv_ctx->sds_rings[ring]; | |
be339aee | 240 | netxen_nic_disable_int(sds_ring); |
b2af9cb0 DP |
241 | napi_synchronize(&sds_ring->napi); |
242 | napi_disable(&sds_ring->napi); | |
d8b100c5 DP |
243 | } |
244 | } | |
245 | ||
50c643e7 | 246 | static int nx_set_dma_mask(struct netxen_adapter *adapter) |
2956640d DP |
247 | { |
248 | struct pci_dev *pdev = adapter->pdev; | |
1f434f63 DP |
249 | uint64_t mask, cmask; |
250 | ||
251 | adapter->pci_using_dac = 0; | |
2956640d | 252 | |
6afd142f | 253 | mask = DMA_BIT_MASK(32); |
6afd142f | 254 | cmask = DMA_BIT_MASK(32); |
1f434f63 | 255 | |
50c643e7 | 256 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { |
1f434f63 | 257 | #ifndef CONFIG_IA64 |
6afd142f | 258 | mask = DMA_BIT_MASK(35); |
1f434f63 | 259 | #endif |
50c643e7 DP |
260 | } else { |
261 | mask = DMA_BIT_MASK(39); | |
262 | cmask = mask; | |
263 | } | |
264 | ||
2956640d | 265 | if (pci_set_dma_mask(pdev, mask) == 0 && |
1f434f63 | 266 | pci_set_consistent_dma_mask(pdev, cmask) == 0) { |
2956640d DP |
267 | adapter->pci_using_dac = 1; |
268 | return 0; | |
269 | } | |
2956640d | 270 | |
1f434f63 DP |
271 | return -EIO; |
272 | } | |
273 | ||
274 | /* Update addressable range if firmware supports it */ | |
275 | static int | |
276 | nx_update_dma_mask(struct netxen_adapter *adapter) | |
277 | { | |
278 | int change, shift, err; | |
50c643e7 | 279 | uint64_t mask, old_mask, old_cmask; |
1f434f63 DP |
280 | struct pci_dev *pdev = adapter->pdev; |
281 | ||
282 | change = 0; | |
283 | ||
f98a9f69 | 284 | shift = NXRD32(adapter, CRB_DMA_SHIFT); |
f60f7856 | 285 | if (shift > 32) |
1f434f63 DP |
286 | return 0; |
287 | ||
288 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id) && (shift > 9)) | |
289 | change = 1; | |
290 | else if ((adapter->ahw.revision_id == NX_P2_C1) && (shift <= 4)) | |
291 | change = 1; | |
292 | ||
293 | if (change) { | |
294 | old_mask = pdev->dma_mask; | |
50c643e7 DP |
295 | old_cmask = pdev->dev.coherent_dma_mask; |
296 | ||
f60f7856 | 297 | mask = DMA_BIT_MASK(32+shift); |
1f434f63 DP |
298 | |
299 | err = pci_set_dma_mask(pdev, mask); | |
300 | if (err) | |
50c643e7 DP |
301 | goto err_out; |
302 | ||
303 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { | |
304 | ||
305 | err = pci_set_consistent_dma_mask(pdev, mask); | |
306 | if (err) | |
307 | goto err_out; | |
308 | } | |
309 | dev_info(&pdev->dev, "using %d-bit dma mask\n", 32+shift); | |
2956640d DP |
310 | } |
311 | ||
2956640d | 312 | return 0; |
50c643e7 DP |
313 | |
314 | err_out: | |
315 | pci_set_dma_mask(pdev, old_mask); | |
316 | pci_set_consistent_dma_mask(pdev, old_cmask); | |
317 | return err; | |
2956640d DP |
318 | } |
319 | ||
2956640d DP |
320 | static int |
321 | netxen_check_hw_init(struct netxen_adapter *adapter, int first_boot) | |
322 | { | |
27c915a4 | 323 | u32 val, timeout; |
2956640d DP |
324 | |
325 | if (first_boot == 0x55555555) { | |
326 | /* This is the first boot after power up */ | |
f98a9f69 | 327 | NXWR32(adapter, NETXEN_CAM_RAM(0x1fc), NETXEN_BDINFO_MAGIC); |
27c915a4 DP |
328 | |
329 | if (!NX_IS_REVISION_P2(adapter->ahw.revision_id)) | |
330 | return 0; | |
2956640d DP |
331 | |
332 | /* PCI bus master workaround */ | |
f98a9f69 | 333 | first_boot = NXRD32(adapter, NETXEN_PCIE_REG(0x4)); |
2956640d DP |
334 | if (!(first_boot & 0x4)) { |
335 | first_boot |= 0x4; | |
f98a9f69 DP |
336 | NXWR32(adapter, NETXEN_PCIE_REG(0x4), first_boot); |
337 | first_boot = NXRD32(adapter, NETXEN_PCIE_REG(0x4)); | |
2956640d DP |
338 | } |
339 | ||
340 | /* This is the first boot after power up */ | |
f98a9f69 | 341 | first_boot = NXRD32(adapter, NETXEN_ROMUSB_GLB_SW_RESET); |
2956640d DP |
342 | if (first_boot != 0x80000f) { |
343 | /* clear the register for future unloads/loads */ | |
f98a9f69 | 344 | NXWR32(adapter, NETXEN_CAM_RAM(0x1fc), 0); |
27c915a4 | 345 | return -EIO; |
2956640d DP |
346 | } |
347 | ||
27c915a4 | 348 | /* Start P2 boot loader */ |
f98a9f69 DP |
349 | val = NXRD32(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE); |
350 | NXWR32(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE, val | 0x1); | |
27c915a4 DP |
351 | timeout = 0; |
352 | do { | |
353 | msleep(1); | |
f98a9f69 | 354 | val = NXRD32(adapter, NETXEN_CAM_RAM(0x1fc)); |
27c915a4 DP |
355 | |
356 | if (++timeout > 5000) | |
357 | return -EIO; | |
358 | ||
359 | } while (val == NETXEN_BDINFO_MAGIC); | |
2956640d | 360 | } |
27c915a4 | 361 | return 0; |
2956640d DP |
362 | } |
363 | ||
364 | static void netxen_set_port_mode(struct netxen_adapter *adapter) | |
365 | { | |
366 | u32 val, data; | |
367 | ||
1e2d0059 | 368 | val = adapter->ahw.board_type; |
2956640d DP |
369 | if ((val == NETXEN_BRDTYPE_P3_HMEZ) || |
370 | (val == NETXEN_BRDTYPE_P3_XG_LOM)) { | |
371 | if (port_mode == NETXEN_PORT_MODE_802_3_AP) { | |
372 | data = NETXEN_PORT_MODE_802_3_AP; | |
f98a9f69 | 373 | NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data); |
2956640d DP |
374 | } else if (port_mode == NETXEN_PORT_MODE_XG) { |
375 | data = NETXEN_PORT_MODE_XG; | |
f98a9f69 | 376 | NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data); |
2956640d DP |
377 | } else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_1G) { |
378 | data = NETXEN_PORT_MODE_AUTO_NEG_1G; | |
f98a9f69 | 379 | NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data); |
2956640d DP |
380 | } else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_XG) { |
381 | data = NETXEN_PORT_MODE_AUTO_NEG_XG; | |
f98a9f69 | 382 | NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data); |
2956640d DP |
383 | } else { |
384 | data = NETXEN_PORT_MODE_AUTO_NEG; | |
f98a9f69 | 385 | NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data); |
2956640d DP |
386 | } |
387 | ||
388 | if ((wol_port_mode != NETXEN_PORT_MODE_802_3_AP) && | |
389 | (wol_port_mode != NETXEN_PORT_MODE_XG) && | |
390 | (wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_1G) && | |
391 | (wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_XG)) { | |
392 | wol_port_mode = NETXEN_PORT_MODE_AUTO_NEG; | |
393 | } | |
f98a9f69 | 394 | NXWR32(adapter, NETXEN_WOL_PORT_MODE, wol_port_mode); |
2956640d DP |
395 | } |
396 | } | |
397 | ||
2956640d DP |
398 | static void netxen_set_msix_bit(struct pci_dev *pdev, int enable) |
399 | { | |
400 | u32 control; | |
401 | int pos; | |
402 | ||
403 | pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX); | |
404 | if (pos) { | |
405 | pci_read_config_dword(pdev, pos, &control); | |
406 | if (enable) | |
407 | control |= PCI_MSIX_FLAGS_ENABLE; | |
408 | else | |
409 | control = 0; | |
410 | pci_write_config_dword(pdev, pos, control); | |
411 | } | |
412 | } | |
413 | ||
be339aee | 414 | static void netxen_init_msix_entries(struct netxen_adapter *adapter, int count) |
2956640d DP |
415 | { |
416 | int i; | |
417 | ||
be339aee | 418 | for (i = 0; i < count; i++) |
2956640d DP |
419 | adapter->msix_entries[i].entry = i; |
420 | } | |
421 | ||
9dc28efe DP |
422 | static int |
423 | netxen_read_mac_addr(struct netxen_adapter *adapter) | |
424 | { | |
425 | int i; | |
426 | unsigned char *p; | |
427 | __le64 mac_addr; | |
9dc28efe DP |
428 | struct net_device *netdev = adapter->netdev; |
429 | struct pci_dev *pdev = adapter->pdev; | |
430 | ||
9dc28efe DP |
431 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { |
432 | if (netxen_p3_get_mac_addr(adapter, &mac_addr) != 0) | |
433 | return -EIO; | |
434 | } else { | |
435 | if (netxen_get_flash_mac_addr(adapter, &mac_addr) != 0) | |
436 | return -EIO; | |
437 | } | |
438 | ||
439 | p = (unsigned char *)&mac_addr; | |
440 | for (i = 0; i < 6; i++) | |
441 | netdev->dev_addr[i] = *(p + 5 - i); | |
442 | ||
443 | memcpy(netdev->perm_addr, netdev->dev_addr, netdev->addr_len); | |
444 | ||
445 | /* set station address */ | |
446 | ||
e174961c JB |
447 | if (!is_valid_ether_addr(netdev->perm_addr)) |
448 | dev_warn(&pdev->dev, "Bad MAC address %pM.\n", netdev->dev_addr); | |
9dc28efe DP |
449 | |
450 | return 0; | |
451 | } | |
452 | ||
3d0a3cc9 DP |
453 | int netxen_nic_set_mac(struct net_device *netdev, void *p) |
454 | { | |
455 | struct netxen_adapter *adapter = netdev_priv(netdev); | |
456 | struct sockaddr *addr = p; | |
457 | ||
458 | if (!is_valid_ether_addr(addr->sa_data)) | |
459 | return -EINVAL; | |
460 | ||
461 | if (netif_running(netdev)) { | |
462 | netif_device_detach(netdev); | |
463 | netxen_napi_disable(adapter); | |
464 | } | |
465 | ||
466 | memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); | |
467 | adapter->macaddr_set(adapter, addr->sa_data); | |
468 | ||
469 | if (netif_running(netdev)) { | |
470 | netif_device_attach(netdev); | |
471 | netxen_napi_enable(adapter); | |
472 | } | |
473 | return 0; | |
474 | } | |
475 | ||
1abd266f SH |
476 | static void netxen_set_multicast_list(struct net_device *dev) |
477 | { | |
478 | struct netxen_adapter *adapter = netdev_priv(dev); | |
479 | ||
3d0a3cc9 | 480 | adapter->set_multi(dev); |
1abd266f SH |
481 | } |
482 | ||
483 | static const struct net_device_ops netxen_netdev_ops = { | |
484 | .ndo_open = netxen_nic_open, | |
485 | .ndo_stop = netxen_nic_close, | |
486 | .ndo_start_xmit = netxen_nic_xmit_frame, | |
487 | .ndo_get_stats = netxen_nic_get_stats, | |
488 | .ndo_validate_addr = eth_validate_addr, | |
489 | .ndo_set_multicast_list = netxen_set_multicast_list, | |
490 | .ndo_set_mac_address = netxen_nic_set_mac, | |
491 | .ndo_change_mtu = netxen_nic_change_mtu, | |
492 | .ndo_tx_timeout = netxen_tx_timeout, | |
493 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
494 | .ndo_poll_controller = netxen_nic_poll_controller, | |
495 | #endif | |
496 | }; | |
497 | ||
97daee83 DP |
498 | static void |
499 | netxen_setup_intr(struct netxen_adapter *adapter) | |
500 | { | |
501 | struct netxen_legacy_intr_set *legacy_intrp; | |
502 | struct pci_dev *pdev = adapter->pdev; | |
be339aee DP |
503 | int err, num_msix; |
504 | ||
505 | if (adapter->rss_supported) { | |
506 | num_msix = (num_online_cpus() >= MSIX_ENTRIES_PER_ADAPTER) ? | |
507 | MSIX_ENTRIES_PER_ADAPTER : 2; | |
508 | } else | |
509 | num_msix = 1; | |
510 | ||
511 | adapter->max_sds_rings = 1; | |
97daee83 DP |
512 | |
513 | adapter->flags &= ~(NETXEN_NIC_MSI_ENABLED | NETXEN_NIC_MSIX_ENABLED); | |
97daee83 DP |
514 | |
515 | if (adapter->ahw.revision_id >= NX_P3_B0) | |
516 | legacy_intrp = &legacy_intr[adapter->ahw.pci_func]; | |
517 | else | |
518 | legacy_intrp = &legacy_intr[0]; | |
195c5f98 AKS |
519 | |
520 | adapter->int_vec_bit = legacy_intrp->int_vec_bit; | |
521 | adapter->tgt_status_reg = netxen_get_ioaddr(adapter, | |
522 | legacy_intrp->tgt_status_reg); | |
523 | adapter->tgt_mask_reg = netxen_get_ioaddr(adapter, | |
524 | legacy_intrp->tgt_mask_reg); | |
525 | adapter->pci_int_reg = netxen_get_ioaddr(adapter, | |
526 | legacy_intrp->pci_int_reg); | |
527 | adapter->isr_int_vec = netxen_get_ioaddr(adapter, ISR_INT_VECTOR); | |
528 | ||
529 | if (adapter->ahw.revision_id >= NX_P3_B1) | |
530 | adapter->crb_int_state_reg = netxen_get_ioaddr(adapter, | |
531 | ISR_INT_STATE_REG); | |
532 | else | |
533 | adapter->crb_int_state_reg = netxen_get_ioaddr(adapter, | |
534 | CRB_INT_VECTOR); | |
97daee83 DP |
535 | |
536 | netxen_set_msix_bit(pdev, 0); | |
537 | ||
538 | if (adapter->msix_supported) { | |
539 | ||
be339aee DP |
540 | netxen_init_msix_entries(adapter, num_msix); |
541 | err = pci_enable_msix(pdev, adapter->msix_entries, num_msix); | |
542 | if (err == 0) { | |
543 | adapter->flags |= NETXEN_NIC_MSIX_ENABLED; | |
544 | netxen_set_msix_bit(pdev, 1); | |
97daee83 | 545 | |
be339aee DP |
546 | if (adapter->rss_supported) |
547 | adapter->max_sds_rings = num_msix; | |
97daee83 | 548 | |
be339aee DP |
549 | dev_info(&pdev->dev, "using msi-x interrupts\n"); |
550 | return; | |
551 | } | |
552 | ||
553 | if (err > 0) | |
554 | pci_disable_msix(pdev); | |
555 | ||
556 | /* fall through for msi */ | |
97daee83 | 557 | } |
be339aee DP |
558 | |
559 | if (use_msi && !pci_enable_msi(pdev)) { | |
560 | adapter->flags |= NETXEN_NIC_MSI_ENABLED; | |
195c5f98 AKS |
561 | adapter->tgt_status_reg = netxen_get_ioaddr(adapter, |
562 | msi_tgt_status[adapter->ahw.pci_func]); | |
be339aee | 563 | dev_info(&pdev->dev, "using msi interrupts\n"); |
f67f3408 | 564 | adapter->msix_entries[0].vector = pdev->irq; |
be339aee DP |
565 | return; |
566 | } | |
567 | ||
568 | dev_info(&pdev->dev, "using legacy interrupts\n"); | |
569 | adapter->msix_entries[0].vector = pdev->irq; | |
97daee83 DP |
570 | } |
571 | ||
572 | static void | |
573 | netxen_teardown_intr(struct netxen_adapter *adapter) | |
574 | { | |
575 | if (adapter->flags & NETXEN_NIC_MSIX_ENABLED) | |
576 | pci_disable_msix(adapter->pdev); | |
577 | if (adapter->flags & NETXEN_NIC_MSI_ENABLED) | |
578 | pci_disable_msi(adapter->pdev); | |
579 | } | |
580 | ||
581 | static void | |
582 | netxen_cleanup_pci_map(struct netxen_adapter *adapter) | |
583 | { | |
584 | if (adapter->ahw.db_base != NULL) | |
585 | iounmap(adapter->ahw.db_base); | |
586 | if (adapter->ahw.pci_base0 != NULL) | |
587 | iounmap(adapter->ahw.pci_base0); | |
588 | if (adapter->ahw.pci_base1 != NULL) | |
589 | iounmap(adapter->ahw.pci_base1); | |
590 | if (adapter->ahw.pci_base2 != NULL) | |
591 | iounmap(adapter->ahw.pci_base2); | |
592 | } | |
593 | ||
594 | static int | |
595 | netxen_setup_pci_map(struct netxen_adapter *adapter) | |
596 | { | |
597 | void __iomem *mem_ptr0 = NULL; | |
598 | void __iomem *mem_ptr1 = NULL; | |
599 | void __iomem *mem_ptr2 = NULL; | |
600 | void __iomem *db_ptr = NULL; | |
601 | ||
71fb62fb DP |
602 | resource_size_t mem_base, db_base; |
603 | unsigned long mem_len, db_len = 0, pci_len0 = 0; | |
97daee83 DP |
604 | |
605 | struct pci_dev *pdev = adapter->pdev; | |
606 | int pci_func = adapter->ahw.pci_func; | |
607 | ||
608 | int err = 0; | |
609 | ||
610 | /* | |
611 | * Set the CRB window to invalid. If any register in window 0 is | |
612 | * accessed it should set the window to 0 and then reset it to 1. | |
613 | */ | |
907fa120 | 614 | adapter->ahw.crb_win = -1; |
47abe356 | 615 | adapter->ahw.ocm_win = -1; |
97daee83 DP |
616 | |
617 | /* remap phys address */ | |
618 | mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */ | |
619 | mem_len = pci_resource_len(pdev, 0); | |
97daee83 | 620 | |
97daee83 DP |
621 | /* 128 Meg of memory */ |
622 | if (mem_len == NETXEN_PCI_128MB_SIZE) { | |
623 | mem_ptr0 = ioremap(mem_base, FIRST_PAGE_GROUP_SIZE); | |
624 | mem_ptr1 = ioremap(mem_base + SECOND_PAGE_GROUP_START, | |
625 | SECOND_PAGE_GROUP_SIZE); | |
626 | mem_ptr2 = ioremap(mem_base + THIRD_PAGE_GROUP_START, | |
627 | THIRD_PAGE_GROUP_SIZE); | |
47abe356 | 628 | pci_len0 = FIRST_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 | 633 | } else if (mem_len == NETXEN_PCI_2MB_SIZE) { |
97daee83 DP |
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 | } else { |
642 | return -EIO; | |
643 | } | |
644 | ||
195c5f98 AKS |
645 | netxen_setup_hwops(adapter); |
646 | ||
97daee83 DP |
647 | dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20)); |
648 | ||
649 | adapter->ahw.pci_base0 = mem_ptr0; | |
650 | adapter->ahw.pci_len0 = pci_len0; | |
97daee83 DP |
651 | adapter->ahw.pci_base1 = mem_ptr1; |
652 | adapter->ahw.pci_base2 = mem_ptr2; | |
653 | ||
6abb4b83 AKS |
654 | if (NX_IS_REVISION_P3P(adapter->ahw.revision_id)) { |
655 | adapter->ahw.ocm_win_crb = netxen_get_ioaddr(adapter, | |
656 | NETXEN_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(pci_func))); | |
657 | ||
658 | } else if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { | |
47abe356 DP |
659 | adapter->ahw.ocm_win_crb = netxen_get_ioaddr(adapter, |
660 | NETXEN_PCIX_PS_REG(PCIE_MN_WINDOW_REG(pci_func))); | |
661 | } | |
662 | ||
97daee83 DP |
663 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) |
664 | goto skip_doorbell; | |
665 | ||
666 | db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */ | |
667 | db_len = pci_resource_len(pdev, 4); | |
668 | ||
669 | if (db_len == 0) { | |
670 | printk(KERN_ERR "%s: doorbell is disabled\n", | |
671 | netxen_nic_driver_name); | |
672 | err = -EIO; | |
673 | goto err_out; | |
674 | } | |
675 | ||
676 | db_ptr = ioremap(db_base, NETXEN_DB_MAPSIZE_BYTES); | |
677 | if (!db_ptr) { | |
678 | printk(KERN_ERR "%s: Failed to allocate doorbell map.", | |
679 | netxen_nic_driver_name); | |
680 | err = -EIO; | |
681 | goto err_out; | |
682 | } | |
683 | ||
684 | skip_doorbell: | |
685 | adapter->ahw.db_base = db_ptr; | |
686 | adapter->ahw.db_len = db_len; | |
687 | return 0; | |
688 | ||
689 | err_out: | |
690 | netxen_cleanup_pci_map(adapter); | |
691 | return err; | |
692 | } | |
693 | ||
2b9e62ee DP |
694 | static void |
695 | netxen_check_options(struct netxen_adapter *adapter) | |
696 | { | |
697 | u32 fw_major, fw_minor, fw_build; | |
698 | char brd_name[NETXEN_MAX_SHORT_NAME]; | |
699 | char serial_num[32]; | |
700 | int i, offset, val; | |
701 | int *ptr32; | |
702 | struct pci_dev *pdev = adapter->pdev; | |
703 | ||
704 | adapter->driver_mismatch = 0; | |
705 | ||
706 | ptr32 = (int *)&serial_num; | |
707 | offset = NX_FW_SERIAL_NUM_OFFSET; | |
708 | for (i = 0; i < 8; i++) { | |
709 | if (netxen_rom_fast_read(adapter, offset, &val) == -1) { | |
710 | dev_err(&pdev->dev, "error reading board info\n"); | |
711 | adapter->driver_mismatch = 1; | |
712 | return; | |
713 | } | |
714 | ptr32[i] = cpu_to_le32(val); | |
715 | offset += sizeof(u32); | |
716 | } | |
717 | ||
718 | fw_major = NXRD32(adapter, NETXEN_FW_VERSION_MAJOR); | |
719 | fw_minor = NXRD32(adapter, NETXEN_FW_VERSION_MINOR); | |
720 | fw_build = NXRD32(adapter, NETXEN_FW_VERSION_SUB); | |
721 | ||
722 | adapter->fw_version = NETXEN_VERSION_CODE(fw_major, fw_minor, fw_build); | |
723 | ||
724 | if (adapter->portnum == 0) { | |
725 | get_brd_name_by_type(adapter->ahw.board_type, brd_name); | |
726 | ||
727 | printk(KERN_INFO "NetXen %s Board S/N %s Chip rev 0x%x\n", | |
728 | brd_name, serial_num, adapter->ahw.revision_id); | |
729 | } | |
730 | ||
731 | if (adapter->fw_version < NETXEN_VERSION_CODE(3, 4, 216)) { | |
732 | adapter->driver_mismatch = 1; | |
733 | dev_warn(&pdev->dev, "firmware version %d.%d.%d unsupported\n", | |
734 | fw_major, fw_minor, fw_build); | |
735 | return; | |
736 | } | |
737 | ||
738 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { | |
739 | i = NXRD32(adapter, NETXEN_SRE_MISC); | |
740 | adapter->ahw.cut_through = (i & 0x8000) ? 1 : 0; | |
741 | } | |
742 | ||
743 | dev_info(&pdev->dev, "firmware v%d.%d.%d [%s]\n", | |
744 | fw_major, fw_minor, fw_build, | |
745 | adapter->ahw.cut_through ? "cut-through" : "legacy"); | |
746 | ||
747 | if (adapter->fw_version >= NETXEN_VERSION_CODE(4, 0, 222)) | |
748 | adapter->capabilities = NXRD32(adapter, CRB_FW_CAPABILITIES_1); | |
749 | ||
750 | adapter->flags &= ~NETXEN_NIC_LRO_ENABLED; | |
751 | ||
752 | if (adapter->ahw.port_type == NETXEN_NIC_XGBE) { | |
753 | adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G; | |
754 | adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; | |
755 | } else if (adapter->ahw.port_type == NETXEN_NIC_GBE) { | |
756 | adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; | |
757 | adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; | |
758 | } | |
759 | ||
760 | adapter->msix_supported = 0; | |
761 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { | |
762 | adapter->msix_supported = !!use_msi_x; | |
763 | adapter->rss_supported = !!use_msi_x; | |
764 | } else if (adapter->fw_version >= NETXEN_VERSION_CODE(3, 4, 336)) { | |
765 | switch (adapter->ahw.board_type) { | |
766 | case NETXEN_BRDTYPE_P2_SB31_10G: | |
767 | case NETXEN_BRDTYPE_P2_SB31_10G_CX4: | |
768 | adapter->msix_supported = !!use_msi_x; | |
769 | adapter->rss_supported = !!use_msi_x; | |
770 | break; | |
771 | default: | |
772 | break; | |
773 | } | |
774 | } | |
775 | ||
776 | adapter->num_txd = MAX_CMD_DESCRIPTORS; | |
777 | ||
778 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { | |
779 | adapter->num_lro_rxd = MAX_LRO_RCV_DESCRIPTORS; | |
780 | adapter->max_rds_rings = 3; | |
781 | } else { | |
782 | adapter->num_lro_rxd = 0; | |
783 | adapter->max_rds_rings = 2; | |
784 | } | |
785 | } | |
786 | ||
ba599d4f | 787 | static int |
6a581e93 | 788 | netxen_start_firmware(struct netxen_adapter *adapter) |
ba599d4f DP |
789 | { |
790 | int val, err, first_boot; | |
791 | struct pci_dev *pdev = adapter->pdev; | |
792 | ||
2b9e62ee DP |
793 | /* required for NX2031 dummy dma */ |
794 | err = nx_set_dma_mask(adapter); | |
795 | if (err) | |
796 | return err; | |
797 | ||
6a581e93 | 798 | if (!netxen_can_start_firmware(adapter)) |
96f2ebd2 | 799 | goto wait_init; |
0b72e659 | 800 | |
f98a9f69 | 801 | first_boot = NXRD32(adapter, NETXEN_CAM_RAM(0x1fc)); |
ba599d4f DP |
802 | |
803 | err = netxen_check_hw_init(adapter, first_boot); | |
804 | if (err) { | |
805 | dev_err(&pdev->dev, "error in init HW init sequence\n"); | |
806 | return err; | |
807 | } | |
808 | ||
6a581e93 | 809 | netxen_request_firmware(adapter); |
f7185c71 | 810 | |
67c38fc6 | 811 | err = netxen_need_fw_reset(adapter); |
1dbc84a7 | 812 | if (err < 0) |
db4cfd8a | 813 | goto err_out; |
1dbc84a7 | 814 | if (err == 0) |
ec5c50cb | 815 | goto ready; |
67c38fc6 | 816 | |
ba599d4f | 817 | if (first_boot != 0x55555555) { |
f98a9f69 | 818 | NXWR32(adapter, CRB_CMDPEG_STATE, 0); |
0be367bd | 819 | netxen_pinit_from_rom(adapter); |
ba599d4f DP |
820 | msleep(1); |
821 | } | |
567c6c4e | 822 | |
f98a9f69 | 823 | NXWR32(adapter, CRB_DMA_SHIFT, 0x55555555); |
6a581e93 DP |
824 | NXWR32(adapter, NETXEN_PEG_HALT_STATUS1, 0); |
825 | NXWR32(adapter, NETXEN_PEG_HALT_STATUS2, 0); | |
826 | ||
567c6c4e DP |
827 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) |
828 | netxen_set_port_mode(adapter); | |
829 | ||
db4cfd8a DP |
830 | err = netxen_load_firmware(adapter); |
831 | if (err) | |
832 | goto err_out; | |
ba599d4f | 833 | |
6a581e93 DP |
834 | netxen_release_firmware(adapter); |
835 | ||
ba599d4f DP |
836 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { |
837 | ||
838 | /* Initialize multicast addr pool owners */ | |
839 | val = 0x7654; | |
1e2d0059 | 840 | if (adapter->ahw.port_type == NETXEN_NIC_XGBE) |
ba599d4f | 841 | val |= 0x0f000000; |
f98a9f69 | 842 | NXWR32(adapter, NETXEN_MAC_ADDR_CNTL_REG, val); |
ba599d4f DP |
843 | |
844 | } | |
845 | ||
83ac51fa | 846 | err = netxen_init_dummy_dma(adapter); |
ba599d4f | 847 | if (err) |
db4cfd8a | 848 | goto err_out; |
ba599d4f DP |
849 | |
850 | /* | |
851 | * Tell the hardware our version number. | |
852 | */ | |
853 | val = (_NETXEN_NIC_LINUX_MAJOR << 16) | |
854 | | ((_NETXEN_NIC_LINUX_MINOR << 8)) | |
855 | | (_NETXEN_NIC_LINUX_SUBVERSION); | |
f98a9f69 | 856 | NXWR32(adapter, CRB_DRIVER_VERSION, val); |
ba599d4f | 857 | |
ec5c50cb | 858 | ready: |
6a581e93 DP |
859 | NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_READY); |
860 | ||
96f2ebd2 | 861 | wait_init: |
ba599d4f DP |
862 | /* Handshake with the card before we register the devices. */ |
863 | err = netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE); | |
864 | if (err) { | |
83ac51fa | 865 | netxen_free_dummy_dma(adapter); |
db4cfd8a | 866 | goto err_out; |
ba599d4f DP |
867 | } |
868 | ||
68b3cae0 DP |
869 | nx_update_dma_mask(adapter); |
870 | ||
6a581e93 | 871 | netxen_check_options(adapter); |
68b3cae0 | 872 | |
74c520da AKS |
873 | adapter->need_fw_reset = 0; |
874 | ||
ec5c50cb | 875 | /* fall through and release firmware */ |
db4cfd8a DP |
876 | |
877 | err_out: | |
878 | netxen_release_firmware(adapter); | |
879 | return err; | |
ba599d4f DP |
880 | } |
881 | ||
9f5bc7f1 DP |
882 | static int |
883 | netxen_nic_request_irq(struct netxen_adapter *adapter) | |
884 | { | |
885 | irq_handler_t handler; | |
d8b100c5 DP |
886 | struct nx_host_sds_ring *sds_ring; |
887 | int err, ring; | |
888 | ||
9f5bc7f1 DP |
889 | unsigned long flags = IRQF_SAMPLE_RANDOM; |
890 | struct net_device *netdev = adapter->netdev; | |
d8b100c5 | 891 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; |
9f5bc7f1 | 892 | |
9f5bc7f1 DP |
893 | if (adapter->flags & NETXEN_NIC_MSIX_ENABLED) |
894 | handler = netxen_msix_intr; | |
895 | else if (adapter->flags & NETXEN_NIC_MSI_ENABLED) | |
896 | handler = netxen_msi_intr; | |
897 | else { | |
898 | flags |= IRQF_SHARED; | |
899 | handler = netxen_intr; | |
900 | } | |
901 | adapter->irq = netdev->irq; | |
902 | ||
d8b100c5 DP |
903 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
904 | sds_ring = &recv_ctx->sds_rings[ring]; | |
be339aee | 905 | sprintf(sds_ring->name, "%s[%d]", netdev->name, ring); |
d8b100c5 DP |
906 | err = request_irq(sds_ring->irq, handler, |
907 | flags, sds_ring->name, sds_ring); | |
908 | if (err) | |
909 | return err; | |
910 | } | |
911 | ||
912 | return 0; | |
913 | } | |
914 | ||
915 | static void | |
916 | netxen_nic_free_irq(struct netxen_adapter *adapter) | |
917 | { | |
918 | int ring; | |
919 | struct nx_host_sds_ring *sds_ring; | |
920 | ||
921 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; | |
922 | ||
923 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
924 | sds_ring = &recv_ctx->sds_rings[ring]; | |
925 | free_irq(sds_ring->irq, sds_ring); | |
926 | } | |
9f5bc7f1 DP |
927 | } |
928 | ||
ca2ef330 DP |
929 | static void |
930 | netxen_nic_init_coalesce_defaults(struct netxen_adapter *adapter) | |
931 | { | |
932 | adapter->coal.flags = NETXEN_NIC_INTR_DEFAULT; | |
933 | adapter->coal.normal.data.rx_time_us = | |
934 | NETXEN_DEFAULT_INTR_COALESCE_RX_TIME_US; | |
935 | adapter->coal.normal.data.rx_packets = | |
936 | NETXEN_DEFAULT_INTR_COALESCE_RX_PACKETS; | |
937 | adapter->coal.normal.data.tx_time_us = | |
938 | NETXEN_DEFAULT_INTR_COALESCE_TX_TIME_US; | |
939 | adapter->coal.normal.data.tx_packets = | |
940 | NETXEN_DEFAULT_INTR_COALESCE_TX_PACKETS; | |
941 | } | |
942 | ||
9f5bc7f1 DP |
943 | static int |
944 | netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev) | |
945 | { | |
946 | int err; | |
947 | ||
db4cfd8a DP |
948 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) |
949 | return -EIO; | |
950 | ||
9f5bc7f1 DP |
951 | err = adapter->init_port(adapter, adapter->physical_port); |
952 | if (err) { | |
953 | printk(KERN_ERR "%s: Failed to initialize port %d\n", | |
954 | netxen_nic_driver_name, adapter->portnum); | |
955 | return err; | |
956 | } | |
3d0a3cc9 DP |
957 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) |
958 | adapter->macaddr_set(adapter, netdev->dev_addr); | |
9f5bc7f1 | 959 | |
3d0a3cc9 DP |
960 | adapter->set_multi(netdev); |
961 | adapter->set_mtu(adapter, netdev->mtu); | |
9f5bc7f1 DP |
962 | |
963 | adapter->ahw.linkup = 0; | |
9f5bc7f1 | 964 | |
d8b100c5 DP |
965 | if (adapter->max_sds_rings > 1) |
966 | netxen_config_rss(adapter, 1); | |
9f5bc7f1 | 967 | |
ca2ef330 DP |
968 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) |
969 | netxen_config_intr_coalesce(adapter); | |
970 | ||
1bb482f8 NK |
971 | if (adapter->capabilities & NX_FW_CAPABILITY_HW_LRO) |
972 | netxen_config_hw_lro(adapter, NETXEN_NIC_LRO_ENABLED); | |
973 | ||
b2af9cb0 DP |
974 | netxen_napi_enable(adapter); |
975 | ||
5103c9f7 | 976 | if (adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION) |
3bf26ce3 | 977 | netxen_linkevent_request(adapter, 1); |
3d0a3cc9 DP |
978 | else |
979 | netxen_nic_set_link_parameters(adapter); | |
980 | ||
6a581e93 | 981 | set_bit(__NX_DEV_UP, &adapter->state); |
9f5bc7f1 DP |
982 | return 0; |
983 | } | |
984 | ||
985 | static void | |
986 | netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev) | |
987 | { | |
db4cfd8a DP |
988 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) |
989 | return; | |
990 | ||
6a581e93 DP |
991 | clear_bit(__NX_DEV_UP, &adapter->state); |
992 | ||
b2af9cb0 | 993 | spin_lock(&adapter->tx_clean_lock); |
9f5bc7f1 | 994 | netif_carrier_off(netdev); |
b2af9cb0 | 995 | netif_tx_disable(netdev); |
9f5bc7f1 DP |
996 | |
997 | if (adapter->stop_port) | |
998 | adapter->stop_port(adapter); | |
999 | ||
5cf4d323 DP |
1000 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) |
1001 | netxen_p3_free_mac_list(adapter); | |
1002 | ||
22b5794b AKS |
1003 | adapter->set_promisc(adapter, NETXEN_NIU_NON_PROMISC_MODE); |
1004 | ||
be339aee DP |
1005 | netxen_napi_disable(adapter); |
1006 | ||
9f5bc7f1 | 1007 | netxen_release_tx_buffers(adapter); |
b2af9cb0 | 1008 | spin_unlock(&adapter->tx_clean_lock); |
9f5bc7f1 DP |
1009 | } |
1010 | ||
1011 | ||
1012 | static int | |
1013 | netxen_nic_attach(struct netxen_adapter *adapter) | |
1014 | { | |
1015 | struct net_device *netdev = adapter->netdev; | |
1016 | struct pci_dev *pdev = adapter->pdev; | |
becf46a0 | 1017 | int err, ring; |
d8b100c5 | 1018 | struct nx_host_rds_ring *rds_ring; |
d877f1e3 | 1019 | struct nx_host_tx_ring *tx_ring; |
9f5bc7f1 | 1020 | |
7042cd8f AKS |
1021 | if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) |
1022 | return 0; | |
1023 | ||
9f5bc7f1 | 1024 | err = netxen_init_firmware(adapter); |
232e7d68 DP |
1025 | if (err) |
1026 | return err; | |
1027 | ||
1028 | err = netxen_napi_add(adapter, netdev); | |
1029 | if (err) | |
1030 | return err; | |
9f5bc7f1 | 1031 | |
9f5bc7f1 DP |
1032 | err = netxen_alloc_sw_resources(adapter); |
1033 | if (err) { | |
1034 | printk(KERN_ERR "%s: Error in setting sw resources\n", | |
1035 | netdev->name); | |
1036 | return err; | |
1037 | } | |
1038 | ||
9f5bc7f1 DP |
1039 | err = netxen_alloc_hw_resources(adapter); |
1040 | if (err) { | |
1041 | printk(KERN_ERR "%s: Error in setting hw resources\n", | |
1042 | netdev->name); | |
1043 | goto err_out_free_sw; | |
1044 | } | |
1045 | ||
4f96b988 | 1046 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { |
4ea528a1 | 1047 | tx_ring = adapter->tx_ring; |
195c5f98 AKS |
1048 | tx_ring->crb_cmd_producer = netxen_get_ioaddr(adapter, |
1049 | crb_cmd_producer[adapter->portnum]); | |
1050 | tx_ring->crb_cmd_consumer = netxen_get_ioaddr(adapter, | |
1051 | crb_cmd_consumer[adapter->portnum]); | |
9f5bc7f1 | 1052 | |
cb2107be DP |
1053 | tx_ring->producer = 0; |
1054 | tx_ring->sw_consumer = 0; | |
1055 | ||
1056 | netxen_nic_update_cmd_producer(adapter, tx_ring); | |
1057 | netxen_nic_update_cmd_consumer(adapter, tx_ring); | |
9f5bc7f1 DP |
1058 | } |
1059 | ||
d8b100c5 DP |
1060 | for (ring = 0; ring < adapter->max_rds_rings; ring++) { |
1061 | rds_ring = &adapter->recv_ctx.rds_rings[ring]; | |
1062 | netxen_post_rx_buffers(adapter, ring, rds_ring); | |
1063 | } | |
9f5bc7f1 DP |
1064 | |
1065 | err = netxen_nic_request_irq(adapter); | |
1066 | if (err) { | |
1067 | dev_err(&pdev->dev, "%s: failed to setup interrupt\n", | |
1068 | netdev->name); | |
1069 | goto err_out_free_rxbuf; | |
1070 | } | |
1071 | ||
ca2ef330 DP |
1072 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) |
1073 | netxen_nic_init_coalesce_defaults(adapter); | |
1074 | ||
fa3ce355 NK |
1075 | netxen_create_sysfs_entries(adapter); |
1076 | ||
9f5bc7f1 DP |
1077 | adapter->is_up = NETXEN_ADAPTER_UP_MAGIC; |
1078 | return 0; | |
1079 | ||
1080 | err_out_free_rxbuf: | |
1081 | netxen_release_rx_buffers(adapter); | |
1082 | netxen_free_hw_resources(adapter); | |
1083 | err_out_free_sw: | |
1084 | netxen_free_sw_resources(adapter); | |
1085 | return err; | |
1086 | } | |
1087 | ||
1088 | static void | |
1089 | netxen_nic_detach(struct netxen_adapter *adapter) | |
1090 | { | |
7042cd8f AKS |
1091 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) |
1092 | return; | |
1093 | ||
fa3ce355 NK |
1094 | netxen_remove_sysfs_entries(adapter); |
1095 | ||
9f5bc7f1 | 1096 | netxen_free_hw_resources(adapter); |
cf981ffb | 1097 | netxen_release_rx_buffers(adapter); |
be339aee | 1098 | netxen_nic_free_irq(adapter); |
232e7d68 | 1099 | netxen_napi_del(adapter); |
9f5bc7f1 DP |
1100 | netxen_free_sw_resources(adapter); |
1101 | ||
1102 | adapter->is_up = 0; | |
1103 | } | |
1104 | ||
7042cd8f AKS |
1105 | int |
1106 | netxen_nic_reset_context(struct netxen_adapter *adapter) | |
1107 | { | |
1108 | int err = 0; | |
1109 | struct net_device *netdev = adapter->netdev; | |
1110 | ||
6a581e93 DP |
1111 | if (test_and_set_bit(__NX_RESETTING, &adapter->state)) |
1112 | return -EBUSY; | |
1113 | ||
7042cd8f AKS |
1114 | if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) { |
1115 | ||
6a581e93 DP |
1116 | netif_device_detach(netdev); |
1117 | ||
7042cd8f AKS |
1118 | if (netif_running(netdev)) |
1119 | netxen_nic_down(adapter, netdev); | |
1120 | ||
1121 | netxen_nic_detach(adapter); | |
1122 | ||
6a581e93 DP |
1123 | if (netif_running(netdev)) { |
1124 | err = netxen_nic_attach(adapter); | |
1125 | if (!err) | |
1126 | err = netxen_nic_up(adapter, netdev); | |
7042cd8f | 1127 | |
6a581e93 DP |
1128 | if (err) |
1129 | goto done; | |
1130 | } | |
1131 | ||
1132 | netif_device_attach(netdev); | |
7042cd8f | 1133 | } |
6a581e93 | 1134 | |
7042cd8f | 1135 | done: |
6a581e93 | 1136 | clear_bit(__NX_RESETTING, &adapter->state); |
7042cd8f AKS |
1137 | return err; |
1138 | } | |
1139 | ||
f17443f4 DP |
1140 | static int |
1141 | netxen_setup_netdev(struct netxen_adapter *adapter, | |
1142 | struct net_device *netdev) | |
1143 | { | |
1144 | int err = 0; | |
1145 | struct pci_dev *pdev = adapter->pdev; | |
1146 | ||
1147 | adapter->rx_csum = 1; | |
1148 | adapter->mc_enabled = 0; | |
1149 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) | |
1150 | adapter->max_mc_count = 38; | |
1151 | else | |
1152 | adapter->max_mc_count = 16; | |
1153 | ||
1154 | netdev->netdev_ops = &netxen_netdev_ops; | |
1155 | netdev->watchdog_timeo = 2*HZ; | |
1156 | ||
1157 | netxen_nic_change_mtu(netdev, netdev->mtu); | |
1158 | ||
1159 | SET_ETHTOOL_OPS(netdev, &netxen_nic_ethtool_ops); | |
1160 | ||
1161 | netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO); | |
1162 | netdev->features |= (NETIF_F_GRO); | |
1163 | netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO); | |
1164 | ||
1165 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { | |
1166 | netdev->features |= (NETIF_F_IPV6_CSUM | NETIF_F_TSO6); | |
1167 | netdev->vlan_features |= (NETIF_F_IPV6_CSUM | NETIF_F_TSO6); | |
1168 | } | |
1169 | ||
1170 | if (adapter->pci_using_dac) { | |
1171 | netdev->features |= NETIF_F_HIGHDMA; | |
1172 | netdev->vlan_features |= NETIF_F_HIGHDMA; | |
1173 | } | |
1174 | ||
028afe71 DP |
1175 | if (adapter->capabilities & NX_FW_CAPABILITY_FVLANTX) |
1176 | netdev->features |= (NETIF_F_HW_VLAN_TX); | |
1177 | ||
1bb482f8 NK |
1178 | if (adapter->capabilities & NX_FW_CAPABILITY_HW_LRO) |
1179 | netdev->features |= NETIF_F_LRO; | |
1180 | ||
f17443f4 DP |
1181 | netdev->irq = adapter->msix_entries[0].vector; |
1182 | ||
74c520da | 1183 | INIT_WORK(&adapter->tx_timeout_task, netxen_tx_timeout_task); |
f17443f4 DP |
1184 | |
1185 | if (netxen_read_mac_addr(adapter)) | |
1186 | dev_warn(&pdev->dev, "failed to read mac addr\n"); | |
1187 | ||
1188 | netif_carrier_off(netdev); | |
1189 | netif_stop_queue(netdev); | |
1190 | ||
1191 | err = register_netdev(netdev); | |
1192 | if (err) { | |
1193 | dev_err(&pdev->dev, "failed to register net device\n"); | |
1194 | return err; | |
1195 | } | |
1196 | ||
1197 | return 0; | |
1198 | } | |
1199 | ||
3d396eb1 AK |
1200 | static int __devinit |
1201 | netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) | |
1202 | { | |
1203 | struct net_device *netdev = NULL; | |
1204 | struct netxen_adapter *adapter = NULL; | |
2956640d | 1205 | int i = 0, err; |
3176ff3e | 1206 | int pci_func_id = PCI_FUNC(pdev->devfn); |
2956640d | 1207 | uint8_t revision_id; |
3d396eb1 | 1208 | |
3176ff3e | 1209 | if (pdev->class != 0x020000) { |
dcd56fdb | 1210 | printk(KERN_DEBUG "NetXen function %d, class %x will not " |
3176ff3e | 1211 | "be enabled.\n",pci_func_id, pdev->class); |
ed25ffa1 AK |
1212 | return -ENODEV; |
1213 | } | |
2956640d | 1214 | |
11d89d63 DP |
1215 | if (pdev->revision >= NX_P3_A0 && pdev->revision < NX_P3_B1) { |
1216 | printk(KERN_WARNING "NetXen chip revisions between 0x%x-0x%x" | |
1217 | "will not be enabled.\n", | |
1218 | NX_P3_A0, NX_P3_B1); | |
1219 | return -ENODEV; | |
1220 | } | |
1221 | ||
3d396eb1 AK |
1222 | if ((err = pci_enable_device(pdev))) |
1223 | return err; | |
2956640d | 1224 | |
3d396eb1 AK |
1225 | if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { |
1226 | err = -ENODEV; | |
1227 | goto err_out_disable_pdev; | |
1228 | } | |
1229 | ||
1230 | if ((err = pci_request_regions(pdev, netxen_nic_driver_name))) | |
1231 | goto err_out_disable_pdev; | |
1232 | ||
1233 | pci_set_master(pdev); | |
3176ff3e MT |
1234 | |
1235 | netdev = alloc_etherdev(sizeof(struct netxen_adapter)); | |
1236 | if(!netdev) { | |
f17443f4 DP |
1237 | dev_err(&pdev->dev, "failed to allocate net_device\n"); |
1238 | err = -ENOMEM; | |
3176ff3e MT |
1239 | goto err_out_free_res; |
1240 | } | |
1241 | ||
3176ff3e MT |
1242 | SET_NETDEV_DEV(netdev, &pdev->dev); |
1243 | ||
4cf1653a | 1244 | adapter = netdev_priv(netdev); |
2956640d DP |
1245 | adapter->netdev = netdev; |
1246 | adapter->pdev = pdev; | |
13ba9c77 | 1247 | adapter->ahw.pci_func = pci_func_id; |
2956640d DP |
1248 | |
1249 | revision_id = pdev->revision; | |
1250 | adapter->ahw.revision_id = revision_id; | |
1251 | ||
f03b0ebd DP |
1252 | rwlock_init(&adapter->ahw.crb_lock); |
1253 | spin_lock_init(&adapter->ahw.mem_lock); | |
1254 | ||
d8b100c5 | 1255 | spin_lock_init(&adapter->tx_clean_lock); |
5cf4d323 | 1256 | INIT_LIST_HEAD(&adapter->mac_list); |
3ce06a32 | 1257 | |
97daee83 DP |
1258 | err = netxen_setup_pci_map(adapter); |
1259 | if (err) | |
6c80b18d | 1260 | goto err_out_free_netdev; |
3d396eb1 | 1261 | |
2d1a3bbd | 1262 | /* This will be reset for mezz cards */ |
3176ff3e | 1263 | adapter->portnum = pci_func_id; |
3176ff3e | 1264 | |
f17443f4 DP |
1265 | err = netxen_nic_get_board_info(adapter); |
1266 | if (err) { | |
1267 | dev_err(&pdev->dev, "Error getting board config info.\n"); | |
dcd56fdb DP |
1268 | goto err_out_iounmap; |
1269 | } | |
6c80b18d | 1270 | |
13ba9c77 | 1271 | /* Mezz cards have PCI function 0,2,3 enabled */ |
1e2d0059 | 1272 | switch (adapter->ahw.board_type) { |
dc515f2e DP |
1273 | case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ: |
1274 | case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ: | |
1275 | if (pci_func_id >= 2) | |
13ba9c77 | 1276 | adapter->portnum = pci_func_id - 2; |
dc515f2e DP |
1277 | break; |
1278 | default: | |
1279 | break; | |
1280 | } | |
13ba9c77 | 1281 | |
6a581e93 | 1282 | err = netxen_start_firmware(adapter); |
0b72e659 DP |
1283 | if (err) |
1284 | goto err_out_iounmap; | |
f17443f4 | 1285 | |
3d396eb1 | 1286 | /* |
6c80b18d | 1287 | * See if the firmware gave us a virtual-physical port mapping. |
3d396eb1 | 1288 | */ |
dcd56fdb | 1289 | adapter->physical_port = adapter->portnum; |
4f96b988 | 1290 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { |
f98a9f69 | 1291 | i = NXRD32(adapter, CRB_V2P(adapter->portnum)); |
044fad0d DP |
1292 | if (i != 0x55555555) |
1293 | adapter->physical_port = i; | |
1294 | } | |
6c80b18d | 1295 | |
6a581e93 | 1296 | netxen_nic_clear_stats(adapter); |
2956640d | 1297 | |
97daee83 | 1298 | netxen_setup_intr(adapter); |
2956640d | 1299 | |
f17443f4 | 1300 | err = netxen_setup_netdev(adapter, netdev); |
9dc28efe | 1301 | if (err) |
2956640d | 1302 | goto err_out_disable_msi; |
6c80b18d MT |
1303 | |
1304 | pci_set_drvdata(pdev, adapter); | |
3d396eb1 | 1305 | |
6a581e93 DP |
1306 | netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY); |
1307 | ||
1e2d0059 | 1308 | switch (adapter->ahw.port_type) { |
2956640d DP |
1309 | case NETXEN_NIC_GBE: |
1310 | dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", | |
1311 | adapter->netdev->name); | |
1312 | break; | |
1313 | case NETXEN_NIC_XGBE: | |
1314 | dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", | |
1315 | adapter->netdev->name); | |
1316 | break; | |
3d396eb1 | 1317 | } |
3d396eb1 | 1318 | |
70f9cf89 DP |
1319 | netxen_create_diag_entries(adapter); |
1320 | ||
2956640d DP |
1321 | return 0; |
1322 | ||
1323 | err_out_disable_msi: | |
97daee83 | 1324 | netxen_teardown_intr(adapter); |
6c80b18d | 1325 | |
83ac51fa | 1326 | netxen_free_dummy_dma(adapter); |
3d396eb1 | 1327 | |
6a581e93 DP |
1328 | nx_decr_dev_ref_cnt(adapter); |
1329 | ||
2956640d | 1330 | err_out_iounmap: |
97daee83 | 1331 | netxen_cleanup_pci_map(adapter); |
cb8011ad | 1332 | |
6c80b18d MT |
1333 | err_out_free_netdev: |
1334 | free_netdev(netdev); | |
1335 | ||
1336 | err_out_free_res: | |
3d396eb1 | 1337 | pci_release_regions(pdev); |
6c80b18d MT |
1338 | |
1339 | err_out_disable_pdev: | |
2956640d | 1340 | pci_set_drvdata(pdev, NULL); |
3d396eb1 AK |
1341 | pci_disable_device(pdev); |
1342 | return err; | |
1343 | } | |
1344 | ||
1345 | static void __devexit netxen_nic_remove(struct pci_dev *pdev) | |
1346 | { | |
1347 | struct netxen_adapter *adapter; | |
3176ff3e | 1348 | struct net_device *netdev; |
3d396eb1 | 1349 | |
6c80b18d | 1350 | adapter = pci_get_drvdata(pdev); |
3d396eb1 AK |
1351 | if (adapter == NULL) |
1352 | return; | |
1353 | ||
6c80b18d MT |
1354 | netdev = adapter->netdev; |
1355 | ||
6a581e93 DP |
1356 | netxen_cancel_fw_work(adapter); |
1357 | ||
96acb6eb DP |
1358 | unregister_netdev(netdev); |
1359 | ||
e424fa9d AKS |
1360 | cancel_work_sync(&adapter->tx_timeout_task); |
1361 | ||
7042cd8f | 1362 | netxen_nic_detach(adapter); |
3d396eb1 | 1363 | |
6a581e93 DP |
1364 | nx_decr_dev_ref_cnt(adapter); |
1365 | ||
439b454e | 1366 | if (adapter->portnum == 0) |
83ac51fa | 1367 | netxen_free_dummy_dma(adapter); |
96acb6eb | 1368 | |
6a581e93 DP |
1369 | clear_bit(__NX_RESETTING, &adapter->state); |
1370 | ||
97daee83 | 1371 | netxen_teardown_intr(adapter); |
3052246c | 1372 | |
70f9cf89 DP |
1373 | netxen_remove_diag_entries(adapter); |
1374 | ||
97daee83 | 1375 | netxen_cleanup_pci_map(adapter); |
595e3fb8 | 1376 | |
f7185c71 DP |
1377 | netxen_release_firmware(adapter); |
1378 | ||
595e3fb8 | 1379 | pci_release_regions(pdev); |
3052246c | 1380 | pci_disable_device(pdev); |
595e3fb8 MT |
1381 | pci_set_drvdata(pdev, NULL); |
1382 | ||
6c80b18d | 1383 | free_netdev(netdev); |
3d396eb1 | 1384 | } |
22b5794b | 1385 | static int __netxen_nic_shutdown(struct pci_dev *pdev) |
0b72e659 | 1386 | { |
0b72e659 DP |
1387 | struct netxen_adapter *adapter = pci_get_drvdata(pdev); |
1388 | struct net_device *netdev = adapter->netdev; | |
22b5794b | 1389 | int retval; |
0b72e659 DP |
1390 | |
1391 | netif_device_detach(netdev); | |
1392 | ||
6a581e93 DP |
1393 | netxen_cancel_fw_work(adapter); |
1394 | ||
0b72e659 DP |
1395 | if (netif_running(netdev)) |
1396 | netxen_nic_down(adapter, netdev); | |
1397 | ||
e424fa9d AKS |
1398 | cancel_work_sync(&adapter->tx_timeout_task); |
1399 | ||
7042cd8f | 1400 | netxen_nic_detach(adapter); |
0b72e659 | 1401 | |
22b5794b AKS |
1402 | if (adapter->portnum == 0) |
1403 | netxen_free_dummy_dma(adapter); | |
1404 | ||
6a581e93 DP |
1405 | nx_decr_dev_ref_cnt(adapter); |
1406 | ||
1407 | clear_bit(__NX_RESETTING, &adapter->state); | |
1408 | ||
22b5794b AKS |
1409 | retval = pci_save_state(pdev); |
1410 | if (retval) | |
1411 | return retval; | |
0b72e659 DP |
1412 | |
1413 | if (netxen_nic_wol_supported(adapter)) { | |
1414 | pci_enable_wake(pdev, PCI_D3cold, 1); | |
1415 | pci_enable_wake(pdev, PCI_D3hot, 1); | |
1416 | } | |
1417 | ||
1418 | pci_disable_device(pdev); | |
0b72e659 DP |
1419 | |
1420 | return 0; | |
1421 | } | |
22b5794b AKS |
1422 | static void netxen_nic_shutdown(struct pci_dev *pdev) |
1423 | { | |
1424 | if (__netxen_nic_shutdown(pdev)) | |
1425 | return; | |
1426 | } | |
1427 | #ifdef CONFIG_PM | |
1428 | static int | |
1429 | netxen_nic_suspend(struct pci_dev *pdev, pm_message_t state) | |
1430 | { | |
1431 | int retval; | |
1432 | ||
1433 | retval = __netxen_nic_shutdown(pdev); | |
1434 | if (retval) | |
1435 | return retval; | |
1436 | ||
1437 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); | |
1438 | return 0; | |
1439 | } | |
0b72e659 DP |
1440 | |
1441 | static int | |
1442 | netxen_nic_resume(struct pci_dev *pdev) | |
1443 | { | |
1444 | struct netxen_adapter *adapter = pci_get_drvdata(pdev); | |
1445 | struct net_device *netdev = adapter->netdev; | |
1446 | int err; | |
1447 | ||
1448 | pci_set_power_state(pdev, PCI_D0); | |
1449 | pci_restore_state(pdev); | |
1450 | ||
1451 | err = pci_enable_device(pdev); | |
1452 | if (err) | |
1453 | return err; | |
1454 | ||
907fa120 | 1455 | adapter->ahw.crb_win = -1; |
47abe356 | 1456 | adapter->ahw.ocm_win = -1; |
0b72e659 | 1457 | |
6a581e93 | 1458 | err = netxen_start_firmware(adapter); |
0b72e659 DP |
1459 | if (err) { |
1460 | dev_err(&pdev->dev, "failed to start firmware\n"); | |
1461 | return err; | |
1462 | } | |
1463 | ||
1464 | if (netif_running(netdev)) { | |
1465 | err = netxen_nic_attach(adapter); | |
1466 | if (err) | |
6a581e93 | 1467 | goto err_out; |
0b72e659 DP |
1468 | |
1469 | err = netxen_nic_up(adapter, netdev); | |
1470 | if (err) | |
6a581e93 | 1471 | goto err_out_detach; |
0b72e659 DP |
1472 | |
1473 | netif_device_attach(netdev); | |
d0725e4d AKS |
1474 | |
1475 | netxen_config_indev_addr(netdev, NETDEV_UP); | |
0b72e659 DP |
1476 | } |
1477 | ||
6a581e93 | 1478 | netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY); |
07653aa3 | 1479 | return 0; |
6a581e93 DP |
1480 | |
1481 | err_out_detach: | |
1482 | netxen_nic_detach(adapter); | |
1483 | err_out: | |
1484 | nx_decr_dev_ref_cnt(adapter); | |
1485 | return err; | |
0b72e659 | 1486 | } |
01542cd1 | 1487 | #endif |
0b72e659 | 1488 | |
3d396eb1 AK |
1489 | static int netxen_nic_open(struct net_device *netdev) |
1490 | { | |
4cf1653a | 1491 | struct netxen_adapter *adapter = netdev_priv(netdev); |
3d396eb1 | 1492 | int err = 0; |
3d396eb1 | 1493 | |
dcd56fdb DP |
1494 | if (adapter->driver_mismatch) |
1495 | return -EIO; | |
1496 | ||
7042cd8f AKS |
1497 | err = netxen_nic_attach(adapter); |
1498 | if (err) | |
1499 | return err; | |
2956640d | 1500 | |
9f5bc7f1 DP |
1501 | err = netxen_nic_up(adapter, netdev); |
1502 | if (err) | |
1503 | goto err_out; | |
05aaa02d | 1504 | |
dcd56fdb | 1505 | netif_start_queue(netdev); |
3d396eb1 AK |
1506 | |
1507 | return 0; | |
2956640d | 1508 | |
9f5bc7f1 DP |
1509 | err_out: |
1510 | netxen_nic_detach(adapter); | |
2956640d | 1511 | return err; |
3d396eb1 AK |
1512 | } |
1513 | ||
1514 | /* | |
1515 | * netxen_nic_close - Disables a network interface entry point | |
1516 | */ | |
1517 | static int netxen_nic_close(struct net_device *netdev) | |
1518 | { | |
3176ff3e | 1519 | struct netxen_adapter *adapter = netdev_priv(netdev); |
3d396eb1 | 1520 | |
9f5bc7f1 | 1521 | netxen_nic_down(adapter, netdev); |
3d396eb1 AK |
1522 | return 0; |
1523 | } | |
1524 | ||
1bcfd790 DP |
1525 | static void |
1526 | netxen_tso_check(struct net_device *netdev, | |
1527 | struct nx_host_tx_ring *tx_ring, | |
1528 | struct cmd_desc_type0 *first_desc, | |
1529 | struct sk_buff *skb) | |
cd1f8160 | 1530 | { |
391587c3 | 1531 | u8 opcode = TX_ETHER_PKT; |
cdff1036 | 1532 | __be16 protocol = skb->protocol; |
028afe71 | 1533 | u16 flags = 0, vid = 0; |
1bcfd790 | 1534 | u32 producer; |
028afe71 | 1535 | int copied, offset, copy_len, hdr_len = 0, tso = 0, vlan_oob = 0; |
1bcfd790 | 1536 | struct cmd_desc_type0 *hwdesc; |
028afe71 | 1537 | struct vlan_ethhdr *vh; |
cdff1036 | 1538 | |
09640e63 | 1539 | if (protocol == cpu_to_be16(ETH_P_8021Q)) { |
028afe71 DP |
1540 | |
1541 | vh = (struct vlan_ethhdr *)skb->data; | |
cdff1036 DP |
1542 | protocol = vh->h_vlan_encapsulated_proto; |
1543 | flags = FLAGS_VLAN_TAGGED; | |
028afe71 DP |
1544 | |
1545 | } else if (vlan_tx_tag_present(skb)) { | |
1546 | ||
1547 | flags = FLAGS_VLAN_OOB; | |
1548 | vid = vlan_tx_tag_get(skb); | |
1549 | netxen_set_tx_vlan_tci(first_desc, vid); | |
1550 | vlan_oob = 1; | |
cdff1036 | 1551 | } |
cd1f8160 | 1552 | |
391587c3 DP |
1553 | if ((netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) && |
1554 | skb_shinfo(skb)->gso_size > 0) { | |
1555 | ||
1bcfd790 DP |
1556 | hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); |
1557 | ||
1558 | first_desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size); | |
1559 | first_desc->total_hdr_length = hdr_len; | |
028afe71 DP |
1560 | if (vlan_oob) { |
1561 | first_desc->total_hdr_length += VLAN_HLEN; | |
1562 | first_desc->tcp_hdr_offset = VLAN_HLEN; | |
1563 | first_desc->ip_hdr_offset = VLAN_HLEN; | |
1564 | /* Only in case of TSO on vlan device */ | |
1565 | flags |= FLAGS_VLAN_TAGGED; | |
1566 | } | |
391587c3 | 1567 | |
09640e63 | 1568 | opcode = (protocol == cpu_to_be16(ETH_P_IPV6)) ? |
391587c3 | 1569 | TX_TCP_LSO6 : TX_TCP_LSO; |
1bcfd790 | 1570 | tso = 1; |
cd1f8160 DP |
1571 | |
1572 | } else if (skb->ip_summed == CHECKSUM_PARTIAL) { | |
391587c3 DP |
1573 | u8 l4proto; |
1574 | ||
09640e63 | 1575 | if (protocol == cpu_to_be16(ETH_P_IP)) { |
391587c3 DP |
1576 | l4proto = ip_hdr(skb)->protocol; |
1577 | ||
1578 | if (l4proto == IPPROTO_TCP) | |
1579 | opcode = TX_TCP_PKT; | |
1580 | else if(l4proto == IPPROTO_UDP) | |
1581 | opcode = TX_UDP_PKT; | |
09640e63 | 1582 | } else if (protocol == cpu_to_be16(ETH_P_IPV6)) { |
391587c3 DP |
1583 | l4proto = ipv6_hdr(skb)->nexthdr; |
1584 | ||
1585 | if (l4proto == IPPROTO_TCP) | |
1586 | opcode = TX_TCPV6_PKT; | |
1587 | else if(l4proto == IPPROTO_UDP) | |
1588 | opcode = TX_UDPV6_PKT; | |
1589 | } | |
cd1f8160 | 1590 | } |
028afe71 DP |
1591 | |
1592 | first_desc->tcp_hdr_offset += skb_transport_offset(skb); | |
1593 | first_desc->ip_hdr_offset += skb_network_offset(skb); | |
1bcfd790 DP |
1594 | netxen_set_tx_flags_opcode(first_desc, flags, opcode); |
1595 | ||
1596 | if (!tso) | |
1597 | return; | |
1598 | ||
1599 | /* For LSO, we need to copy the MAC/IP/TCP headers into | |
1600 | * the descriptor ring | |
1601 | */ | |
1602 | producer = tx_ring->producer; | |
1603 | copied = 0; | |
1604 | offset = 2; | |
1605 | ||
028afe71 DP |
1606 | if (vlan_oob) { |
1607 | /* Create a TSO vlan header template for firmware */ | |
1608 | ||
1609 | hwdesc = &tx_ring->desc_head[producer]; | |
1610 | tx_ring->cmd_buf_arr[producer].skb = NULL; | |
1611 | ||
1612 | copy_len = min((int)sizeof(struct cmd_desc_type0) - offset, | |
1613 | hdr_len + VLAN_HLEN); | |
1614 | ||
1615 | vh = (struct vlan_ethhdr *)((char *)hwdesc + 2); | |
1616 | skb_copy_from_linear_data(skb, vh, 12); | |
1617 | vh->h_vlan_proto = htons(ETH_P_8021Q); | |
1618 | vh->h_vlan_TCI = htons(vid); | |
1619 | skb_copy_from_linear_data_offset(skb, 12, | |
1620 | (char *)vh + 16, copy_len - 16); | |
1621 | ||
545eb370 | 1622 | copied = copy_len - VLAN_HLEN; |
028afe71 DP |
1623 | offset = 0; |
1624 | ||
1625 | producer = get_next_index(producer, tx_ring->num_desc); | |
1626 | } | |
1627 | ||
1bcfd790 DP |
1628 | while (copied < hdr_len) { |
1629 | ||
1630 | copy_len = min((int)sizeof(struct cmd_desc_type0) - offset, | |
1631 | (hdr_len - copied)); | |
1632 | ||
1633 | hwdesc = &tx_ring->desc_head[producer]; | |
1634 | tx_ring->cmd_buf_arr[producer].skb = NULL; | |
1635 | ||
1636 | skb_copy_from_linear_data_offset(skb, copied, | |
1637 | (char *)hwdesc + offset, copy_len); | |
1638 | ||
1639 | copied += copy_len; | |
1640 | offset = 0; | |
1641 | ||
1642 | producer = get_next_index(producer, tx_ring->num_desc); | |
1643 | } | |
1644 | ||
1645 | tx_ring->producer = producer; | |
1646 | barrier(); | |
cd1f8160 DP |
1647 | } |
1648 | ||
ce644ed4 DP |
1649 | static int |
1650 | netxen_map_tx_skb(struct pci_dev *pdev, | |
1651 | struct sk_buff *skb, struct netxen_cmd_buffer *pbuf) | |
6f703406 | 1652 | { |
ce644ed4 DP |
1653 | struct netxen_skb_frag *nf; |
1654 | struct skb_frag_struct *frag; | |
1655 | int i, nr_frags; | |
1656 | dma_addr_t map; | |
1657 | ||
1658 | nr_frags = skb_shinfo(skb)->nr_frags; | |
1659 | nf = &pbuf->frag_array[0]; | |
1660 | ||
1661 | map = pci_map_single(pdev, skb->data, | |
1662 | skb_headlen(skb), PCI_DMA_TODEVICE); | |
1663 | if (pci_dma_mapping_error(pdev, map)) | |
1664 | goto out_err; | |
6f703406 | 1665 | |
ce644ed4 DP |
1666 | nf->dma = map; |
1667 | nf->length = skb_headlen(skb); | |
1668 | ||
1669 | for (i = 0; i < nr_frags; i++) { | |
1670 | frag = &skb_shinfo(skb)->frags[i]; | |
1671 | nf = &pbuf->frag_array[i+1]; | |
1672 | ||
1673 | map = pci_map_page(pdev, frag->page, frag->page_offset, | |
1674 | frag->size, PCI_DMA_TODEVICE); | |
1675 | if (pci_dma_mapping_error(pdev, map)) | |
1676 | goto unwind; | |
1677 | ||
1678 | nf->dma = map; | |
1679 | nf->length = frag->size; | |
1680 | } | |
1681 | ||
1682 | return 0; | |
6f703406 | 1683 | |
ce644ed4 | 1684 | unwind: |
cf503e8f DP |
1685 | while (--i >= 0) { |
1686 | nf = &pbuf->frag_array[i+1]; | |
ce644ed4 | 1687 | pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE); |
6f703406 | 1688 | } |
ce644ed4 DP |
1689 | |
1690 | nf = &pbuf->frag_array[0]; | |
1691 | pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE); | |
1692 | ||
1693 | out_err: | |
1694 | return -ENOMEM; | |
6f703406 DP |
1695 | } |
1696 | ||
d32cc3d2 DP |
1697 | static inline void |
1698 | netxen_clear_cmddesc(u64 *desc) | |
1699 | { | |
1bcfd790 DP |
1700 | desc[0] = 0ULL; |
1701 | desc[2] = 0ULL; | |
d32cc3d2 DP |
1702 | } |
1703 | ||
61357325 | 1704 | static netdev_tx_t |
d32cc3d2 | 1705 | netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) |
3d396eb1 | 1706 | { |
3176ff3e | 1707 | struct netxen_adapter *adapter = netdev_priv(netdev); |
4ea528a1 | 1708 | struct nx_host_tx_ring *tx_ring = adapter->tx_ring; |
391587c3 | 1709 | struct netxen_cmd_buffer *pbuf; |
3d396eb1 | 1710 | struct netxen_skb_frag *buffrag; |
1bcfd790 DP |
1711 | struct cmd_desc_type0 *hwdesc, *first_desc; |
1712 | struct pci_dev *pdev; | |
391587c3 | 1713 | int i, k; |
3d396eb1 | 1714 | |
cb2107be | 1715 | u32 producer; |
ce644ed4 | 1716 | int frag_count, no_of_desc; |
d877f1e3 | 1717 | u32 num_txd = tx_ring->num_desc; |
3d396eb1 | 1718 | |
3d396eb1 AK |
1719 | frag_count = skb_shinfo(skb)->nr_frags + 1; |
1720 | ||
d877f1e3 | 1721 | /* 4 fragments per cmd des */ |
3d396eb1 | 1722 | no_of_desc = (frag_count + 3) >> 2; |
53a01e00 | 1723 | |
fa9859ef | 1724 | if (unlikely(no_of_desc + 2 > netxen_tx_avail(tx_ring))) { |
ba53e6b4 | 1725 | netif_stop_queue(netdev); |
ba53e6b4 | 1726 | return NETDEV_TX_BUSY; |
53a01e00 | 1727 | } |
3d396eb1 | 1728 | |
cb2107be | 1729 | producer = tx_ring->producer; |
ce644ed4 | 1730 | pbuf = &tx_ring->cmd_buf_arr[producer]; |
cb2107be | 1731 | |
1bcfd790 | 1732 | pdev = adapter->pdev; |
391587c3 | 1733 | |
ce644ed4 | 1734 | if (netxen_map_tx_skb(pdev, skb, pbuf)) |
1bcfd790 | 1735 | goto drop_packet; |
391587c3 | 1736 | |
3d396eb1 | 1737 | pbuf->skb = skb; |
3d396eb1 | 1738 | pbuf->frag_count = frag_count; |
6f703406 | 1739 | |
1bcfd790 DP |
1740 | first_desc = hwdesc = &tx_ring->desc_head[producer]; |
1741 | netxen_clear_cmddesc((u64 *)hwdesc); | |
3d396eb1 | 1742 | |
ce644ed4 DP |
1743 | netxen_set_tx_frags_len(first_desc, frag_count, skb->len); |
1744 | netxen_set_tx_port(first_desc, adapter->portnum); | |
3d396eb1 | 1745 | |
ce644ed4 | 1746 | for (i = 0; i < frag_count; i++) { |
3d396eb1 | 1747 | |
ce644ed4 DP |
1748 | k = i % 4; |
1749 | ||
1750 | if ((k == 0) && (i > 0)) { | |
1751 | /* move to next desc.*/ | |
ba53e6b4 | 1752 | producer = get_next_index(producer, num_txd); |
d877f1e3 | 1753 | hwdesc = &tx_ring->desc_head[producer]; |
d32cc3d2 | 1754 | netxen_clear_cmddesc((u64 *)hwdesc); |
ce644ed4 | 1755 | tx_ring->cmd_buf_arr[producer].skb = NULL; |
6f703406 | 1756 | } |
3d396eb1 | 1757 | |
ce644ed4 | 1758 | buffrag = &pbuf->frag_array[i]; |
3d396eb1 | 1759 | |
ce644ed4 | 1760 | hwdesc->buffer_length[k] = cpu_to_le16(buffrag->length); |
3d396eb1 AK |
1761 | switch (k) { |
1762 | case 0: | |
ce644ed4 | 1763 | hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma); |
3d396eb1 AK |
1764 | break; |
1765 | case 1: | |
ce644ed4 | 1766 | hwdesc->addr_buffer2 = cpu_to_le64(buffrag->dma); |
3d396eb1 AK |
1767 | break; |
1768 | case 2: | |
ce644ed4 | 1769 | hwdesc->addr_buffer3 = cpu_to_le64(buffrag->dma); |
3d396eb1 AK |
1770 | break; |
1771 | case 3: | |
ce644ed4 | 1772 | hwdesc->addr_buffer4 = cpu_to_le64(buffrag->dma); |
3d396eb1 AK |
1773 | break; |
1774 | } | |
3d396eb1 | 1775 | } |
ce644ed4 | 1776 | |
1bcfd790 | 1777 | tx_ring->producer = get_next_index(producer, num_txd); |
3d396eb1 | 1778 | |
1bcfd790 | 1779 | netxen_tso_check(netdev, tx_ring, first_desc, skb); |
6c80b18d | 1780 | |
cb2107be | 1781 | netxen_nic_update_cmd_producer(adapter, tx_ring); |
3d396eb1 | 1782 | |
1bcfd790 | 1783 | adapter->stats.txbytes += skb->len; |
ba53e6b4 | 1784 | adapter->stats.xmitcalled++; |
3d396eb1 | 1785 | |
3d396eb1 | 1786 | return NETDEV_TX_OK; |
6f703406 DP |
1787 | |
1788 | drop_packet: | |
1789 | adapter->stats.txdropped++; | |
1790 | dev_kfree_skb_any(skb); | |
1791 | return NETDEV_TX_OK; | |
3d396eb1 AK |
1792 | } |
1793 | ||
a97342f9 DP |
1794 | static int netxen_nic_check_temp(struct netxen_adapter *adapter) |
1795 | { | |
1796 | struct net_device *netdev = adapter->netdev; | |
1797 | uint32_t temp, temp_state, temp_val; | |
1798 | int rv = 0; | |
1799 | ||
f98a9f69 | 1800 | temp = NXRD32(adapter, CRB_TEMP_STATE); |
a97342f9 DP |
1801 | |
1802 | temp_state = nx_get_temp_state(temp); | |
1803 | temp_val = nx_get_temp_val(temp); | |
1804 | ||
1805 | if (temp_state == NX_TEMP_PANIC) { | |
1806 | printk(KERN_ALERT | |
1807 | "%s: Device temperature %d degrees C exceeds" | |
1808 | " maximum allowed. Hardware has been shut down.\n", | |
e4135c2d | 1809 | netdev->name, temp_val); |
a97342f9 DP |
1810 | rv = 1; |
1811 | } else if (temp_state == NX_TEMP_WARN) { | |
1812 | if (adapter->temp == NX_TEMP_NORMAL) { | |
1813 | printk(KERN_ALERT | |
1814 | "%s: Device temperature %d degrees C " | |
1815 | "exceeds operating range." | |
1816 | " Immediate action needed.\n", | |
e4135c2d | 1817 | netdev->name, temp_val); |
a97342f9 DP |
1818 | } |
1819 | } else { | |
1820 | if (adapter->temp == NX_TEMP_WARN) { | |
1821 | printk(KERN_INFO | |
1822 | "%s: Device temperature is now %d degrees C" | |
e4135c2d | 1823 | " in normal range.\n", netdev->name, |
a97342f9 DP |
1824 | temp_val); |
1825 | } | |
1826 | } | |
1827 | adapter->temp = temp_state; | |
1828 | return rv; | |
1829 | } | |
1830 | ||
3bf26ce3 | 1831 | void netxen_advert_link_change(struct netxen_adapter *adapter, int linkup) |
a97342f9 DP |
1832 | { |
1833 | struct net_device *netdev = adapter->netdev; | |
a97342f9 DP |
1834 | |
1835 | if (adapter->ahw.linkup && !linkup) { | |
1836 | printk(KERN_INFO "%s: %s NIC Link is down\n", | |
1837 | netxen_nic_driver_name, netdev->name); | |
1838 | adapter->ahw.linkup = 0; | |
1839 | if (netif_running(netdev)) { | |
1840 | netif_carrier_off(netdev); | |
1841 | netif_stop_queue(netdev); | |
1842 | } | |
e424fa9d | 1843 | adapter->link_changed = !adapter->has_link_events; |
a97342f9 DP |
1844 | } else if (!adapter->ahw.linkup && linkup) { |
1845 | printk(KERN_INFO "%s: %s NIC Link is up\n", | |
1846 | netxen_nic_driver_name, netdev->name); | |
1847 | adapter->ahw.linkup = 1; | |
1848 | if (netif_running(netdev)) { | |
1849 | netif_carrier_on(netdev); | |
1850 | netif_wake_queue(netdev); | |
1851 | } | |
e424fa9d | 1852 | adapter->link_changed = !adapter->has_link_events; |
a97342f9 DP |
1853 | } |
1854 | } | |
1855 | ||
3bf26ce3 DP |
1856 | static void netxen_nic_handle_phy_intr(struct netxen_adapter *adapter) |
1857 | { | |
1858 | u32 val, port, linkup; | |
1859 | ||
1860 | port = adapter->physical_port; | |
1861 | ||
1862 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { | |
f98a9f69 | 1863 | val = NXRD32(adapter, CRB_XG_STATE_P3); |
3bf26ce3 DP |
1864 | val = XG_LINK_STATE_P3(adapter->ahw.pci_func, val); |
1865 | linkup = (val == XG_LINK_UP_P3); | |
1866 | } else { | |
f98a9f69 | 1867 | val = NXRD32(adapter, CRB_XG_STATE); |
3bf26ce3 DP |
1868 | if (adapter->ahw.port_type == NETXEN_NIC_GBE) |
1869 | linkup = (val >> port) & 1; | |
1870 | else { | |
1871 | val = (val >> port*8) & 0xff; | |
1872 | linkup = (val == XG_LINK_UP); | |
1873 | } | |
1874 | } | |
1875 | ||
1876 | netxen_advert_link_change(adapter, linkup); | |
1877 | } | |
1878 | ||
3d396eb1 AK |
1879 | static void netxen_tx_timeout(struct net_device *netdev) |
1880 | { | |
e424fa9d | 1881 | struct netxen_adapter *adapter = netdev_priv(netdev); |
f17443f4 | 1882 | |
6a581e93 DP |
1883 | if (test_bit(__NX_RESETTING, &adapter->state)) |
1884 | return; | |
1885 | ||
f17443f4 | 1886 | dev_err(&netdev->dev, "transmit timeout, resetting.\n"); |
e424fa9d | 1887 | schedule_work(&adapter->tx_timeout_task); |
3d396eb1 AK |
1888 | } |
1889 | ||
74c520da | 1890 | static void netxen_tx_timeout_task(struct work_struct *work) |
3d396eb1 | 1891 | { |
4790654c | 1892 | struct netxen_adapter *adapter = |
3176ff3e | 1893 | container_of(work, struct netxen_adapter, tx_timeout_task); |
3d396eb1 | 1894 | |
b2af9cb0 DP |
1895 | if (!netif_running(adapter->netdev)) |
1896 | return; | |
1897 | ||
74c520da | 1898 | if (test_and_set_bit(__NX_RESETTING, &adapter->state)) |
6a581e93 DP |
1899 | return; |
1900 | ||
74c520da AKS |
1901 | if (++adapter->tx_timeo_cnt >= NX_MAX_TX_TIMEOUTS) |
1902 | goto request_reset; | |
1903 | ||
1904 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { | |
1905 | /* try to scrub interrupt */ | |
1906 | netxen_napi_disable(adapter); | |
ba53e6b4 | 1907 | |
74c520da | 1908 | adapter->netdev->trans_start = jiffies; |
ba53e6b4 | 1909 | |
74c520da AKS |
1910 | netxen_napi_enable(adapter); |
1911 | ||
1912 | netif_wake_queue(adapter->netdev); | |
1913 | ||
a598ae17 | 1914 | clear_bit(__NX_RESETTING, &adapter->state); |
74c520da AKS |
1915 | |
1916 | } else { | |
a598ae17 | 1917 | clear_bit(__NX_RESETTING, &adapter->state); |
74c520da AKS |
1918 | if (!netxen_nic_reset_context(adapter)) { |
1919 | adapter->netdev->trans_start = jiffies; | |
a598ae17 | 1920 | return; |
74c520da AKS |
1921 | } |
1922 | ||
1923 | /* context reset failed, fall through for fw reset */ | |
1924 | } | |
1925 | ||
1926 | request_reset: | |
1927 | adapter->need_fw_reset = 1; | |
ff8a306d | 1928 | clear_bit(__NX_RESETTING, &adapter->state); |
3d396eb1 AK |
1929 | } |
1930 | ||
a97342f9 DP |
1931 | struct net_device_stats *netxen_nic_get_stats(struct net_device *netdev) |
1932 | { | |
1933 | struct netxen_adapter *adapter = netdev_priv(netdev); | |
5a4d6311 | 1934 | struct net_device_stats *stats = &netdev->stats; |
a97342f9 DP |
1935 | |
1936 | memset(stats, 0, sizeof(*stats)); | |
1937 | ||
1bb482f8 | 1938 | stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; |
e98e3350 | 1939 | stats->tx_packets = adapter->stats.xmitfinished; |
a97342f9 | 1940 | stats->rx_bytes = adapter->stats.rxbytes; |
a97342f9 | 1941 | stats->tx_bytes = adapter->stats.txbytes; |
a97342f9 | 1942 | stats->rx_dropped = adapter->stats.rxdropped; |
a97342f9 DP |
1943 | stats->tx_dropped = adapter->stats.txdropped; |
1944 | ||
1945 | return stats; | |
1946 | } | |
1947 | ||
e4c93c81 | 1948 | static irqreturn_t netxen_intr(int irq, void *data) |
3d396eb1 | 1949 | { |
d8b100c5 DP |
1950 | struct nx_host_sds_ring *sds_ring = data; |
1951 | struct netxen_adapter *adapter = sds_ring->adapter; | |
d71e1be8 DP |
1952 | u32 status = 0; |
1953 | ||
195c5f98 | 1954 | status = readl(adapter->isr_int_vec); |
d71e1be8 | 1955 | |
195c5f98 | 1956 | if (!(status & adapter->int_vec_bit)) |
05aaa02d | 1957 | return IRQ_NONE; |
e01872af | 1958 | |
195c5f98 | 1959 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { |
d71e1be8 | 1960 | /* check interrupt state machine, to be sure */ |
195c5f98 | 1961 | status = readl(adapter->crb_int_state_reg); |
d71e1be8 DP |
1962 | if (!ISR_LEGACY_INT_TRIGGERED(status)) |
1963 | return IRQ_NONE; | |
1964 | ||
092bc571 DP |
1965 | } else { |
1966 | unsigned long our_int = 0; | |
d71e1be8 | 1967 | |
195c5f98 | 1968 | our_int = readl(adapter->crb_int_state_reg); |
092bc571 | 1969 | |
d71e1be8 | 1970 | /* not our interrupt */ |
092bc571 | 1971 | if (!test_and_clear_bit((7 + adapter->portnum), &our_int)) |
d71e1be8 DP |
1972 | return IRQ_NONE; |
1973 | ||
092bc571 | 1974 | /* claim interrupt */ |
195c5f98 | 1975 | writel((our_int & 0xffffffff), adapter->crb_int_state_reg); |
e01872af | 1976 | |
195c5f98 | 1977 | /* clear interrupt */ |
d8b100c5 | 1978 | netxen_nic_disable_int(sds_ring); |
195c5f98 | 1979 | } |
092bc571 | 1980 | |
195c5f98 | 1981 | writel(0xffffffff, adapter->tgt_status_reg); |
092bc571 | 1982 | /* read twice to ensure write is flushed */ |
195c5f98 AKS |
1983 | readl(adapter->isr_int_vec); |
1984 | readl(adapter->isr_int_vec); | |
092bc571 | 1985 | |
d8b100c5 | 1986 | napi_schedule(&sds_ring->napi); |
3d396eb1 AK |
1987 | |
1988 | return IRQ_HANDLED; | |
1989 | } | |
1990 | ||
e4c93c81 | 1991 | static irqreturn_t netxen_msi_intr(int irq, void *data) |
05aaa02d | 1992 | { |
d8b100c5 DP |
1993 | struct nx_host_sds_ring *sds_ring = data; |
1994 | struct netxen_adapter *adapter = sds_ring->adapter; | |
05aaa02d | 1995 | |
092bc571 | 1996 | /* clear interrupt */ |
195c5f98 | 1997 | writel(0xffffffff, adapter->tgt_status_reg); |
092bc571 | 1998 | |
d8b100c5 | 1999 | napi_schedule(&sds_ring->napi); |
05aaa02d DP |
2000 | return IRQ_HANDLED; |
2001 | } | |
2002 | ||
b3df68f8 DP |
2003 | static irqreturn_t netxen_msix_intr(int irq, void *data) |
2004 | { | |
d8b100c5 | 2005 | struct nx_host_sds_ring *sds_ring = data; |
b3df68f8 | 2006 | |
d8b100c5 | 2007 | napi_schedule(&sds_ring->napi); |
b3df68f8 DP |
2008 | return IRQ_HANDLED; |
2009 | } | |
2010 | ||
bea3348e | 2011 | static int netxen_nic_poll(struct napi_struct *napi, int budget) |
3d396eb1 | 2012 | { |
d8b100c5 DP |
2013 | struct nx_host_sds_ring *sds_ring = |
2014 | container_of(napi, struct nx_host_sds_ring, napi); | |
2015 | ||
2016 | struct netxen_adapter *adapter = sds_ring->adapter; | |
2017 | ||
05aaa02d | 2018 | int tx_complete; |
bea3348e | 2019 | int work_done; |
3d396eb1 | 2020 | |
05aaa02d | 2021 | tx_complete = netxen_process_cmd_ring(adapter); |
3d396eb1 | 2022 | |
d8b100c5 | 2023 | work_done = netxen_process_rcv_ring(sds_ring, budget); |
3d396eb1 | 2024 | |
05aaa02d | 2025 | if ((work_done < budget) && tx_complete) { |
d8b100c5 | 2026 | napi_complete(&sds_ring->napi); |
b2af9cb0 DP |
2027 | if (netif_running(adapter->netdev)) |
2028 | netxen_nic_enable_int(sds_ring); | |
3d396eb1 AK |
2029 | } |
2030 | ||
bea3348e | 2031 | return work_done; |
3d396eb1 AK |
2032 | } |
2033 | ||
2034 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
2035 | static void netxen_nic_poll_controller(struct net_device *netdev) | |
2036 | { | |
3176ff3e | 2037 | struct netxen_adapter *adapter = netdev_priv(netdev); |
3d396eb1 | 2038 | disable_irq(adapter->irq); |
1494a814 | 2039 | netxen_intr(adapter->irq, adapter); |
3d396eb1 AK |
2040 | enable_irq(adapter->irq); |
2041 | } | |
2042 | #endif | |
3d396eb1 | 2043 | |
6a581e93 DP |
2044 | static int |
2045 | nx_incr_dev_ref_cnt(struct netxen_adapter *adapter) | |
2046 | { | |
2047 | int count; | |
2048 | if (netxen_api_lock(adapter)) | |
2049 | return -EIO; | |
2050 | ||
2051 | count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT); | |
2052 | ||
2053 | NXWR32(adapter, NX_CRB_DEV_REF_COUNT, ++count); | |
2054 | ||
2055 | netxen_api_unlock(adapter); | |
2056 | return count; | |
2057 | } | |
2058 | ||
2059 | static int | |
2060 | nx_decr_dev_ref_cnt(struct netxen_adapter *adapter) | |
2061 | { | |
2062 | int count; | |
2063 | if (netxen_api_lock(adapter)) | |
2064 | return -EIO; | |
2065 | ||
2066 | count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT); | |
2067 | WARN_ON(count == 0); | |
2068 | ||
2069 | NXWR32(adapter, NX_CRB_DEV_REF_COUNT, --count); | |
2070 | ||
2071 | if (count == 0) | |
2072 | NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_COLD); | |
2073 | ||
2074 | netxen_api_unlock(adapter); | |
2075 | return count; | |
2076 | } | |
2077 | ||
74c520da AKS |
2078 | static void |
2079 | nx_dev_request_reset(struct netxen_adapter *adapter) | |
2080 | { | |
2081 | u32 state; | |
2082 | ||
2083 | if (netxen_api_lock(adapter)) | |
2084 | return; | |
2085 | ||
2086 | state = NXRD32(adapter, NX_CRB_DEV_STATE); | |
2087 | ||
2088 | if (state != NX_DEV_INITALIZING) | |
2089 | NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_NEED_RESET); | |
2090 | ||
2091 | netxen_api_unlock(adapter); | |
2092 | } | |
2093 | ||
6a581e93 DP |
2094 | static int |
2095 | netxen_can_start_firmware(struct netxen_adapter *adapter) | |
2096 | { | |
2097 | int count; | |
2098 | int can_start = 0; | |
2099 | ||
2100 | if (netxen_api_lock(adapter)) | |
2101 | return 0; | |
2102 | ||
2103 | count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT); | |
2104 | ||
2105 | if ((count < 0) || (count >= NX_MAX_PCI_FUNC)) | |
2106 | count = 0; | |
2107 | ||
2108 | if (count == 0) { | |
2109 | can_start = 1; | |
2110 | NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_INITALIZING); | |
2111 | } | |
2112 | ||
2113 | NXWR32(adapter, NX_CRB_DEV_REF_COUNT, ++count); | |
2114 | ||
2115 | netxen_api_unlock(adapter); | |
2116 | ||
2117 | return can_start; | |
2118 | } | |
2119 | ||
2120 | static void | |
2121 | netxen_schedule_work(struct netxen_adapter *adapter, | |
2122 | work_func_t func, int delay) | |
2123 | { | |
2124 | INIT_DELAYED_WORK(&adapter->fw_work, func); | |
2125 | schedule_delayed_work(&adapter->fw_work, delay); | |
2126 | } | |
2127 | ||
2128 | static void | |
2129 | netxen_cancel_fw_work(struct netxen_adapter *adapter) | |
2130 | { | |
2131 | while (test_and_set_bit(__NX_RESETTING, &adapter->state)) | |
2132 | msleep(10); | |
2133 | ||
2134 | cancel_delayed_work_sync(&adapter->fw_work); | |
2135 | } | |
2136 | ||
2137 | static void | |
2138 | netxen_attach_work(struct work_struct *work) | |
2139 | { | |
2140 | struct netxen_adapter *adapter = container_of(work, | |
2141 | struct netxen_adapter, fw_work.work); | |
2142 | struct net_device *netdev = adapter->netdev; | |
2143 | int err = 0; | |
2144 | ||
2145 | if (netif_running(netdev)) { | |
2146 | err = netxen_nic_attach(adapter); | |
2147 | if (err) | |
2148 | goto done; | |
2149 | ||
2150 | err = netxen_nic_up(adapter, netdev); | |
2151 | if (err) { | |
2152 | netxen_nic_detach(adapter); | |
2153 | goto done; | |
2154 | } | |
2155 | ||
d0725e4d | 2156 | netxen_config_indev_addr(netdev, NETDEV_UP); |
6a581e93 DP |
2157 | } |
2158 | ||
2159 | netif_device_attach(netdev); | |
2160 | ||
2161 | done: | |
2162 | adapter->fw_fail_cnt = 0; | |
2163 | clear_bit(__NX_RESETTING, &adapter->state); | |
2164 | netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY); | |
2165 | } | |
2166 | ||
2167 | static void | |
2168 | netxen_fwinit_work(struct work_struct *work) | |
2169 | { | |
2170 | struct netxen_adapter *adapter = container_of(work, | |
2171 | struct netxen_adapter, fw_work.work); | |
2172 | int dev_state; | |
2173 | ||
2174 | dev_state = NXRD32(adapter, NX_CRB_DEV_STATE); | |
2175 | ||
2176 | switch (dev_state) { | |
2177 | case NX_DEV_COLD: | |
2178 | case NX_DEV_READY: | |
74c520da AKS |
2179 | if (!netxen_start_firmware(adapter)) { |
2180 | netxen_schedule_work(adapter, netxen_attach_work, 0); | |
2181 | return; | |
2182 | } | |
2183 | break; | |
6a581e93 DP |
2184 | |
2185 | case NX_DEV_INITALIZING: | |
2186 | if (++adapter->fw_wait_cnt < FW_POLL_THRESH) { | |
2187 | netxen_schedule_work(adapter, | |
2188 | netxen_fwinit_work, 2 * FW_POLL_DELAY); | |
2189 | return; | |
2190 | } | |
2191 | break; | |
2192 | ||
2193 | case NX_DEV_FAILED: | |
2194 | default: | |
2195 | break; | |
2196 | } | |
2197 | ||
2198 | nx_incr_dev_ref_cnt(adapter); | |
2199 | clear_bit(__NX_RESETTING, &adapter->state); | |
2200 | } | |
2201 | ||
2202 | static void | |
2203 | netxen_detach_work(struct work_struct *work) | |
2204 | { | |
2205 | struct netxen_adapter *adapter = container_of(work, | |
2206 | struct netxen_adapter, fw_work.work); | |
2207 | struct net_device *netdev = adapter->netdev; | |
2208 | int ref_cnt, delay; | |
2209 | u32 status; | |
2210 | ||
2211 | netif_device_detach(netdev); | |
2212 | ||
2213 | if (netif_running(netdev)) | |
2214 | netxen_nic_down(adapter, netdev); | |
2215 | ||
2216 | netxen_nic_detach(adapter); | |
2217 | ||
2218 | status = NXRD32(adapter, NETXEN_PEG_HALT_STATUS1); | |
2219 | ||
2220 | ref_cnt = nx_decr_dev_ref_cnt(adapter); | |
2221 | ||
2222 | if (status & NX_RCODE_FATAL_ERROR) | |
2223 | return; | |
2224 | ||
2225 | if (adapter->temp == NX_TEMP_PANIC) | |
2226 | return; | |
2227 | ||
2228 | delay = (ref_cnt == 0) ? 0 : (2 * FW_POLL_DELAY); | |
2229 | ||
2230 | adapter->fw_wait_cnt = 0; | |
2231 | netxen_schedule_work(adapter, netxen_fwinit_work, delay); | |
2232 | } | |
2233 | ||
2234 | static int | |
2235 | netxen_check_health(struct netxen_adapter *adapter) | |
2236 | { | |
2237 | u32 state, heartbit; | |
2238 | struct net_device *netdev = adapter->netdev; | |
2239 | ||
2240 | if (netxen_nic_check_temp(adapter)) | |
2241 | goto detach; | |
2242 | ||
74c520da AKS |
2243 | if (adapter->need_fw_reset) { |
2244 | nx_dev_request_reset(adapter); | |
2245 | goto detach; | |
2246 | } | |
2247 | ||
6a581e93 DP |
2248 | state = NXRD32(adapter, NX_CRB_DEV_STATE); |
2249 | if (state == NX_DEV_NEED_RESET) | |
2250 | goto detach; | |
2251 | ||
2252 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) | |
2253 | return 0; | |
2254 | ||
2255 | heartbit = NXRD32(adapter, NETXEN_PEG_ALIVE_COUNTER); | |
2256 | if (heartbit != adapter->heartbit) { | |
2257 | adapter->heartbit = heartbit; | |
2258 | adapter->fw_fail_cnt = 0; | |
2259 | return 0; | |
2260 | } | |
2261 | ||
2262 | if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) | |
2263 | return 0; | |
2264 | ||
2265 | clear_bit(__NX_FW_ATTACHED, &adapter->state); | |
2266 | ||
2267 | dev_info(&netdev->dev, "firmware hang detected\n"); | |
2268 | ||
2269 | detach: | |
caa2dd53 NK |
2270 | if ((auto_fw_reset == AUTO_FW_RESET_ENABLED) && |
2271 | !test_and_set_bit(__NX_RESETTING, &adapter->state)) | |
6a581e93 DP |
2272 | netxen_schedule_work(adapter, netxen_detach_work, 0); |
2273 | return 1; | |
2274 | } | |
2275 | ||
2276 | static void | |
2277 | netxen_fw_poll_work(struct work_struct *work) | |
2278 | { | |
2279 | struct netxen_adapter *adapter = container_of(work, | |
2280 | struct netxen_adapter, fw_work.work); | |
2281 | ||
2282 | if (test_bit(__NX_RESETTING, &adapter->state)) | |
2283 | goto reschedule; | |
2284 | ||
2285 | if (test_bit(__NX_DEV_UP, &adapter->state)) { | |
2286 | if (!adapter->has_link_events) { | |
2287 | ||
2288 | netxen_nic_handle_phy_intr(adapter); | |
2289 | ||
2290 | if (adapter->link_changed) | |
2291 | netxen_nic_set_link_parameters(adapter); | |
2292 | } | |
2293 | } | |
2294 | ||
2295 | if (netxen_check_health(adapter)) | |
2296 | return; | |
2297 | ||
2298 | reschedule: | |
2299 | netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY); | |
2300 | } | |
2301 | ||
fa3ce355 NK |
2302 | static ssize_t |
2303 | netxen_store_bridged_mode(struct device *dev, | |
2304 | struct device_attribute *attr, const char *buf, size_t len) | |
2305 | { | |
2306 | struct net_device *net = to_net_dev(dev); | |
2307 | struct netxen_adapter *adapter = netdev_priv(net); | |
2308 | unsigned long new; | |
2309 | int ret = -EINVAL; | |
2310 | ||
2311 | if (!(adapter->capabilities & NX_FW_CAPABILITY_BDG)) | |
2312 | goto err_out; | |
2313 | ||
2314 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) | |
2315 | goto err_out; | |
2316 | ||
2317 | if (strict_strtoul(buf, 2, &new)) | |
2318 | goto err_out; | |
2319 | ||
2320 | if (!netxen_config_bridged_mode(adapter, !!new)) | |
2321 | ret = len; | |
2322 | ||
2323 | err_out: | |
2324 | return ret; | |
2325 | } | |
2326 | ||
2327 | static ssize_t | |
2328 | netxen_show_bridged_mode(struct device *dev, | |
2329 | struct device_attribute *attr, char *buf) | |
2330 | { | |
2331 | struct net_device *net = to_net_dev(dev); | |
2332 | struct netxen_adapter *adapter; | |
2333 | int bridged_mode = 0; | |
2334 | ||
2335 | adapter = netdev_priv(net); | |
2336 | ||
2337 | if (adapter->capabilities & NX_FW_CAPABILITY_BDG) | |
2338 | bridged_mode = !!(adapter->flags & NETXEN_NIC_BRIDGE_ENABLED); | |
2339 | ||
2340 | return sprintf(buf, "%d\n", bridged_mode); | |
2341 | } | |
2342 | ||
2343 | static struct device_attribute dev_attr_bridged_mode = { | |
2344 | .attr = {.name = "bridged_mode", .mode = (S_IRUGO | S_IWUSR)}, | |
2345 | .show = netxen_show_bridged_mode, | |
2346 | .store = netxen_store_bridged_mode, | |
2347 | }; | |
2348 | ||
70f9cf89 DP |
2349 | static ssize_t |
2350 | netxen_store_diag_mode(struct device *dev, | |
2351 | struct device_attribute *attr, const char *buf, size_t len) | |
2352 | { | |
2353 | struct netxen_adapter *adapter = dev_get_drvdata(dev); | |
2354 | unsigned long new; | |
2355 | ||
2356 | if (strict_strtoul(buf, 2, &new)) | |
2357 | return -EINVAL; | |
2358 | ||
2359 | if (!!new != !!(adapter->flags & NETXEN_NIC_DIAG_ENABLED)) | |
2360 | adapter->flags ^= NETXEN_NIC_DIAG_ENABLED; | |
2361 | ||
2362 | return len; | |
2363 | } | |
2364 | ||
2365 | static ssize_t | |
2366 | netxen_show_diag_mode(struct device *dev, | |
2367 | struct device_attribute *attr, char *buf) | |
2368 | { | |
2369 | struct netxen_adapter *adapter = dev_get_drvdata(dev); | |
2370 | ||
2371 | return sprintf(buf, "%d\n", | |
2372 | !!(adapter->flags & NETXEN_NIC_DIAG_ENABLED)); | |
2373 | } | |
2374 | ||
2375 | static struct device_attribute dev_attr_diag_mode = { | |
2376 | .attr = {.name = "diag_mode", .mode = (S_IRUGO | S_IWUSR)}, | |
2377 | .show = netxen_show_diag_mode, | |
2378 | .store = netxen_store_diag_mode, | |
2379 | }; | |
2380 | ||
2381 | static int | |
2382 | netxen_sysfs_validate_crb(struct netxen_adapter *adapter, | |
2383 | loff_t offset, size_t size) | |
2384 | { | |
2385 | if (!(adapter->flags & NETXEN_NIC_DIAG_ENABLED)) | |
2386 | return -EIO; | |
2387 | ||
2388 | if ((size != 4) || (offset & 0x3)) | |
2389 | return -EINVAL; | |
2390 | ||
2391 | if (offset < NETXEN_PCI_CRBSPACE) | |
2392 | return -EINVAL; | |
2393 | ||
2394 | return 0; | |
2395 | } | |
2396 | ||
2397 | static ssize_t | |
2398 | netxen_sysfs_read_crb(struct kobject *kobj, struct bin_attribute *attr, | |
2399 | char *buf, loff_t offset, size_t size) | |
2400 | { | |
2401 | struct device *dev = container_of(kobj, struct device, kobj); | |
2402 | struct netxen_adapter *adapter = dev_get_drvdata(dev); | |
2403 | u32 data; | |
2404 | int ret; | |
2405 | ||
2406 | ret = netxen_sysfs_validate_crb(adapter, offset, size); | |
2407 | if (ret != 0) | |
2408 | return ret; | |
2409 | ||
2410 | data = NXRD32(adapter, offset); | |
2411 | memcpy(buf, &data, size); | |
2412 | return size; | |
2413 | } | |
2414 | ||
2415 | static ssize_t | |
2416 | netxen_sysfs_write_crb(struct kobject *kobj, struct bin_attribute *attr, | |
2417 | char *buf, loff_t offset, size_t size) | |
2418 | { | |
2419 | struct device *dev = container_of(kobj, struct device, kobj); | |
2420 | struct netxen_adapter *adapter = dev_get_drvdata(dev); | |
2421 | u32 data; | |
2422 | int ret; | |
2423 | ||
2424 | ret = netxen_sysfs_validate_crb(adapter, offset, size); | |
2425 | if (ret != 0) | |
2426 | return ret; | |
2427 | ||
2428 | memcpy(&data, buf, size); | |
2429 | NXWR32(adapter, offset, data); | |
2430 | return size; | |
2431 | } | |
2432 | ||
2433 | static int | |
2434 | netxen_sysfs_validate_mem(struct netxen_adapter *adapter, | |
2435 | loff_t offset, size_t size) | |
2436 | { | |
2437 | if (!(adapter->flags & NETXEN_NIC_DIAG_ENABLED)) | |
2438 | return -EIO; | |
2439 | ||
2440 | if ((size != 8) || (offset & 0x7)) | |
2441 | return -EIO; | |
2442 | ||
2443 | return 0; | |
2444 | } | |
2445 | ||
2446 | static ssize_t | |
2447 | netxen_sysfs_read_mem(struct kobject *kobj, struct bin_attribute *attr, | |
2448 | char *buf, loff_t offset, size_t size) | |
2449 | { | |
2450 | struct device *dev = container_of(kobj, struct device, kobj); | |
2451 | struct netxen_adapter *adapter = dev_get_drvdata(dev); | |
2452 | u64 data; | |
2453 | int ret; | |
2454 | ||
2455 | ret = netxen_sysfs_validate_mem(adapter, offset, size); | |
2456 | if (ret != 0) | |
2457 | return ret; | |
2458 | ||
2459 | if (adapter->pci_mem_read(adapter, offset, &data)) | |
2460 | return -EIO; | |
2461 | ||
2462 | memcpy(buf, &data, size); | |
2463 | ||
2464 | return size; | |
2465 | } | |
2466 | ||
2467 | ssize_t netxen_sysfs_write_mem(struct kobject *kobj, | |
2468 | struct bin_attribute *attr, char *buf, | |
2469 | loff_t offset, size_t size) | |
2470 | { | |
2471 | struct device *dev = container_of(kobj, struct device, kobj); | |
2472 | struct netxen_adapter *adapter = dev_get_drvdata(dev); | |
2473 | u64 data; | |
2474 | int ret; | |
2475 | ||
2476 | ret = netxen_sysfs_validate_mem(adapter, offset, size); | |
2477 | if (ret != 0) | |
2478 | return ret; | |
2479 | ||
2480 | memcpy(&data, buf, size); | |
2481 | ||
2482 | if (adapter->pci_mem_write(adapter, offset, data)) | |
2483 | return -EIO; | |
2484 | ||
2485 | return size; | |
2486 | } | |
2487 | ||
2488 | ||
2489 | static struct bin_attribute bin_attr_crb = { | |
2490 | .attr = {.name = "crb", .mode = (S_IRUGO | S_IWUSR)}, | |
2491 | .size = 0, | |
2492 | .read = netxen_sysfs_read_crb, | |
2493 | .write = netxen_sysfs_write_crb, | |
2494 | }; | |
2495 | ||
2496 | static struct bin_attribute bin_attr_mem = { | |
2497 | .attr = {.name = "mem", .mode = (S_IRUGO | S_IWUSR)}, | |
2498 | .size = 0, | |
2499 | .read = netxen_sysfs_read_mem, | |
2500 | .write = netxen_sysfs_write_mem, | |
2501 | }; | |
2502 | ||
caa2dd53 NK |
2503 | static ssize_t |
2504 | netxen_store_auto_fw_reset(struct module_attribute *mattr, | |
2505 | struct module *mod, const char *buf, size_t count) | |
2506 | ||
2507 | { | |
2508 | unsigned long new; | |
2509 | ||
2510 | if (strict_strtoul(buf, 16, &new)) | |
2511 | return -EINVAL; | |
2512 | ||
2513 | if ((new == AUTO_FW_RESET_ENABLED) || (new == AUTO_FW_RESET_DISABLED)) { | |
2514 | auto_fw_reset = new; | |
2515 | return count; | |
2516 | } | |
2517 | ||
2518 | return -EINVAL; | |
2519 | } | |
2520 | ||
2521 | static ssize_t | |
2522 | netxen_show_auto_fw_reset(struct module_attribute *mattr, | |
2523 | struct module *mod, char *buf) | |
2524 | ||
2525 | { | |
2526 | if (auto_fw_reset == AUTO_FW_RESET_ENABLED) | |
2527 | return sprintf(buf, "enabled\n"); | |
2528 | else | |
2529 | return sprintf(buf, "disabled\n"); | |
2530 | } | |
2531 | ||
2532 | static struct module_attribute mod_attr_fw_reset = { | |
2533 | .attr = {.name = "auto_fw_reset", .mode = (S_IRUGO | S_IWUSR)}, | |
2534 | .show = netxen_show_auto_fw_reset, | |
2535 | .store = netxen_store_auto_fw_reset, | |
2536 | }; | |
2537 | ||
fa3ce355 NK |
2538 | static void |
2539 | netxen_create_sysfs_entries(struct netxen_adapter *adapter) | |
2540 | { | |
2541 | struct net_device *netdev = adapter->netdev; | |
2542 | struct device *dev = &netdev->dev; | |
2543 | ||
2544 | if (adapter->capabilities & NX_FW_CAPABILITY_BDG) { | |
2545 | /* bridged_mode control */ | |
2546 | if (device_create_file(dev, &dev_attr_bridged_mode)) { | |
2547 | dev_warn(&netdev->dev, | |
2548 | "failed to create bridged_mode sysfs entry\n"); | |
2549 | } | |
2550 | } | |
2551 | } | |
2552 | ||
2553 | static void | |
2554 | netxen_remove_sysfs_entries(struct netxen_adapter *adapter) | |
2555 | { | |
2556 | struct net_device *netdev = adapter->netdev; | |
2557 | struct device *dev = &netdev->dev; | |
2558 | ||
2559 | if (adapter->capabilities & NX_FW_CAPABILITY_BDG) | |
2560 | device_remove_file(dev, &dev_attr_bridged_mode); | |
2561 | } | |
2562 | ||
70f9cf89 DP |
2563 | static void |
2564 | netxen_create_diag_entries(struct netxen_adapter *adapter) | |
2565 | { | |
2566 | struct pci_dev *pdev = adapter->pdev; | |
2567 | struct device *dev; | |
2568 | ||
2569 | dev = &pdev->dev; | |
2570 | if (device_create_file(dev, &dev_attr_diag_mode)) | |
2571 | dev_info(dev, "failed to create diag_mode sysfs entry\n"); | |
2572 | if (device_create_bin_file(dev, &bin_attr_crb)) | |
2573 | dev_info(dev, "failed to create crb sysfs entry\n"); | |
2574 | if (device_create_bin_file(dev, &bin_attr_mem)) | |
2575 | dev_info(dev, "failed to create mem sysfs entry\n"); | |
2576 | } | |
2577 | ||
2578 | ||
2579 | static void | |
2580 | netxen_remove_diag_entries(struct netxen_adapter *adapter) | |
2581 | { | |
2582 | struct pci_dev *pdev = adapter->pdev; | |
2583 | struct device *dev = &pdev->dev; | |
2584 | ||
2585 | device_remove_file(dev, &dev_attr_diag_mode); | |
2586 | device_remove_bin_file(dev, &bin_attr_crb); | |
2587 | device_remove_bin_file(dev, &bin_attr_mem); | |
2588 | } | |
2589 | ||
044824d9 DP |
2590 | #ifdef CONFIG_INET |
2591 | ||
6598b169 DP |
2592 | #define is_netxen_netdev(dev) (dev->netdev_ops == &netxen_netdev_ops) |
2593 | ||
2594 | static int | |
2595 | netxen_destip_supported(struct netxen_adapter *adapter) | |
2596 | { | |
2597 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) | |
2598 | return 0; | |
2599 | ||
2600 | if (adapter->ahw.cut_through) | |
2601 | return 0; | |
2602 | ||
2603 | return 1; | |
2604 | } | |
2605 | ||
d0725e4d AKS |
2606 | static void |
2607 | netxen_config_indev_addr(struct net_device *dev, unsigned long event) | |
2608 | { | |
2609 | struct in_device *indev; | |
2610 | struct netxen_adapter *adapter = netdev_priv(dev); | |
2611 | ||
3db76755 | 2612 | if (!netxen_destip_supported(adapter)) |
d0725e4d AKS |
2613 | return; |
2614 | ||
2615 | indev = in_dev_get(dev); | |
2616 | if (!indev) | |
2617 | return; | |
2618 | ||
2619 | for_ifa(indev) { | |
2620 | switch (event) { | |
2621 | case NETDEV_UP: | |
2622 | netxen_config_ipaddr(adapter, | |
2623 | ifa->ifa_address, NX_IP_UP); | |
2624 | break; | |
2625 | case NETDEV_DOWN: | |
2626 | netxen_config_ipaddr(adapter, | |
2627 | ifa->ifa_address, NX_IP_DOWN); | |
2628 | break; | |
2629 | default: | |
2630 | break; | |
2631 | } | |
2632 | } endfor_ifa(indev); | |
2633 | ||
2634 | in_dev_put(indev); | |
2635 | return; | |
2636 | } | |
2637 | ||
6598b169 DP |
2638 | static int netxen_netdev_event(struct notifier_block *this, |
2639 | unsigned long event, void *ptr) | |
2640 | { | |
2641 | struct netxen_adapter *adapter; | |
2642 | struct net_device *dev = (struct net_device *)ptr; | |
6598b169 DP |
2643 | |
2644 | recheck: | |
2645 | if (dev == NULL) | |
2646 | goto done; | |
2647 | ||
2648 | if (dev->priv_flags & IFF_802_1Q_VLAN) { | |
2649 | dev = vlan_dev_real_dev(dev); | |
2650 | goto recheck; | |
2651 | } | |
2652 | ||
2653 | if (!is_netxen_netdev(dev)) | |
2654 | goto done; | |
2655 | ||
2656 | adapter = netdev_priv(dev); | |
2657 | ||
d0725e4d | 2658 | if (!adapter) |
6598b169 DP |
2659 | goto done; |
2660 | ||
2661 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) | |
2662 | goto done; | |
2663 | ||
d0725e4d | 2664 | netxen_config_indev_addr(dev, event); |
6598b169 DP |
2665 | done: |
2666 | return NOTIFY_DONE; | |
2667 | } | |
2668 | ||
2669 | static int | |
2670 | netxen_inetaddr_event(struct notifier_block *this, | |
2671 | unsigned long event, void *ptr) | |
2672 | { | |
2673 | struct netxen_adapter *adapter; | |
2674 | struct net_device *dev; | |
2675 | ||
2676 | struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; | |
2677 | ||
2678 | dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; | |
2679 | ||
2680 | recheck: | |
2681 | if (dev == NULL || !netif_running(dev)) | |
2682 | goto done; | |
2683 | ||
2684 | if (dev->priv_flags & IFF_802_1Q_VLAN) { | |
2685 | dev = vlan_dev_real_dev(dev); | |
2686 | goto recheck; | |
2687 | } | |
2688 | ||
2689 | if (!is_netxen_netdev(dev)) | |
2690 | goto done; | |
2691 | ||
2692 | adapter = netdev_priv(dev); | |
2693 | ||
2694 | if (!adapter || !netxen_destip_supported(adapter)) | |
2695 | goto done; | |
2696 | ||
2697 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) | |
2698 | goto done; | |
2699 | ||
2700 | switch (event) { | |
2701 | case NETDEV_UP: | |
2702 | netxen_config_ipaddr(adapter, ifa->ifa_address, NX_IP_UP); | |
2703 | break; | |
2704 | case NETDEV_DOWN: | |
2705 | netxen_config_ipaddr(adapter, ifa->ifa_address, NX_IP_DOWN); | |
2706 | break; | |
2707 | default: | |
2708 | break; | |
2709 | } | |
2710 | ||
2711 | done: | |
2712 | return NOTIFY_DONE; | |
2713 | } | |
2714 | ||
2715 | static struct notifier_block netxen_netdev_cb = { | |
2716 | .notifier_call = netxen_netdev_event, | |
2717 | }; | |
2718 | ||
2719 | static struct notifier_block netxen_inetaddr_cb = { | |
2720 | .notifier_call = netxen_inetaddr_event, | |
2721 | }; | |
9feae56c RD |
2722 | #else |
2723 | static void | |
2724 | netxen_config_indev_addr(struct net_device *dev, unsigned long event) | |
2725 | { } | |
044824d9 | 2726 | #endif |
6598b169 | 2727 | |
3d396eb1 AK |
2728 | static struct pci_driver netxen_driver = { |
2729 | .name = netxen_nic_driver_name, | |
2730 | .id_table = netxen_pci_tbl, | |
2731 | .probe = netxen_nic_probe, | |
0b72e659 | 2732 | .remove = __devexit_p(netxen_nic_remove), |
01542cd1 | 2733 | #ifdef CONFIG_PM |
0b72e659 | 2734 | .suspend = netxen_nic_suspend, |
22b5794b | 2735 | .resume = netxen_nic_resume, |
01542cd1 | 2736 | #endif |
22b5794b | 2737 | .shutdown = netxen_nic_shutdown |
3d396eb1 AK |
2738 | }; |
2739 | ||
3d396eb1 AK |
2740 | static int __init netxen_init_module(void) |
2741 | { | |
caa2dd53 NK |
2742 | struct module *mod = THIS_MODULE; |
2743 | ||
ff4fbd43 DP |
2744 | printk(KERN_INFO "%s\n", netxen_nic_driver_string); |
2745 | ||
044824d9 | 2746 | #ifdef CONFIG_INET |
6598b169 DP |
2747 | register_netdevice_notifier(&netxen_netdev_cb); |
2748 | register_inetaddr_notifier(&netxen_inetaddr_cb); | |
044824d9 | 2749 | #endif |
6598b169 | 2750 | |
caa2dd53 NK |
2751 | if (sysfs_create_file(&mod->mkobj.kobj, &mod_attr_fw_reset.attr)) |
2752 | printk(KERN_ERR "%s: Failed to create auto_fw_reset " | |
2753 | "sysfs entry.", netxen_nic_driver_name); | |
2754 | ||
184231bd | 2755 | return pci_register_driver(&netxen_driver); |
3d396eb1 AK |
2756 | } |
2757 | ||
2758 | module_init(netxen_init_module); | |
2759 | ||
2760 | static void __exit netxen_exit_module(void) | |
2761 | { | |
caa2dd53 NK |
2762 | struct module *mod = THIS_MODULE; |
2763 | ||
2764 | sysfs_remove_file(&mod->mkobj.kobj, &mod_attr_fw_reset.attr); | |
2765 | ||
3d396eb1 | 2766 | pci_unregister_driver(&netxen_driver); |
6598b169 | 2767 | |
044824d9 | 2768 | #ifdef CONFIG_INET |
6598b169 DP |
2769 | unregister_inetaddr_notifier(&netxen_inetaddr_cb); |
2770 | unregister_netdevice_notifier(&netxen_netdev_cb); | |
044824d9 | 2771 | #endif |
3d396eb1 AK |
2772 | } |
2773 | ||
2774 | module_exit(netxen_exit_module); |