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> |
0531d7b8 | 37 | #include <linux/sysfs.h> |
e87ad553 | 38 | #include <linux/aer.h> |
1494a814 | 39 | |
c25c0b9b | 40 | MODULE_DESCRIPTION("QLogic/NetXen (1/10) GbE Converged Ethernet Driver"); |
3d396eb1 AK |
41 | MODULE_LICENSE("GPL"); |
42 | MODULE_VERSION(NETXEN_NIC_LINUX_VERSIONID); | |
7e8e5d97 DP |
43 | MODULE_FIRMWARE(NX_P2_MN_ROMIMAGE_NAME); |
44 | MODULE_FIRMWARE(NX_P3_CT_ROMIMAGE_NAME); | |
45 | MODULE_FIRMWARE(NX_P3_MN_ROMIMAGE_NAME); | |
46 | MODULE_FIRMWARE(NX_UNIFIED_ROMIMAGE_NAME); | |
3d396eb1 | 47 | |
ceded32f | 48 | char netxen_nic_driver_name[] = "netxen_nic"; |
c25c0b9b | 49 | static char netxen_nic_driver_string[] = "QLogic/NetXen Network Driver v" |
cb8011ad | 50 | NETXEN_NIC_LINUX_VERSIONID; |
3d396eb1 | 51 | |
2956640d DP |
52 | static int port_mode = NETXEN_PORT_MODE_AUTO_NEG; |
53 | ||
54 | /* Default to restricted 1G auto-neg mode */ | |
55 | static int wol_port_mode = 5; | |
56 | ||
57 | static int use_msi = 1; | |
58 | ||
59 | static int use_msi_x = 1; | |
60 | ||
afdafff1 SH |
61 | static int auto_fw_reset = AUTO_FW_RESET_ENABLED; |
62 | module_param(auto_fw_reset, int, 0644); | |
63 | MODULE_PARM_DESC(auto_fw_reset,"Auto firmware reset (0=disabled, 1=enabled"); | |
caa2dd53 | 64 | |
3d396eb1 | 65 | static int __devinit netxen_nic_probe(struct pci_dev *pdev, |
2956640d | 66 | const struct pci_device_id *ent); |
3d396eb1 AK |
67 | static void __devexit netxen_nic_remove(struct pci_dev *pdev); |
68 | static int netxen_nic_open(struct net_device *netdev); | |
69 | static int netxen_nic_close(struct net_device *netdev); | |
61357325 SH |
70 | static netdev_tx_t netxen_nic_xmit_frame(struct sk_buff *, |
71 | struct net_device *); | |
3d396eb1 | 72 | static void netxen_tx_timeout(struct net_device *netdev); |
74c520da | 73 | static void netxen_tx_timeout_task(struct work_struct *work); |
6a581e93 DP |
74 | static void netxen_fw_poll_work(struct work_struct *work); |
75 | static void netxen_schedule_work(struct netxen_adapter *adapter, | |
76 | work_func_t func, int delay); | |
77 | static void netxen_cancel_fw_work(struct netxen_adapter *adapter); | |
bea3348e | 78 | static int netxen_nic_poll(struct napi_struct *napi, int budget); |
3d396eb1 AK |
79 | #ifdef CONFIG_NET_POLL_CONTROLLER |
80 | static void netxen_nic_poll_controller(struct net_device *netdev); | |
81 | #endif | |
fa3ce355 NK |
82 | |
83 | static void netxen_create_sysfs_entries(struct netxen_adapter *adapter); | |
84 | static void netxen_remove_sysfs_entries(struct netxen_adapter *adapter); | |
70f9cf89 DP |
85 | static void netxen_create_diag_entries(struct netxen_adapter *adapter); |
86 | static void netxen_remove_diag_entries(struct netxen_adapter *adapter); | |
fa3ce355 | 87 | |
e87ad553 | 88 | static int nx_dev_request_aer(struct netxen_adapter *adapter); |
6a581e93 DP |
89 | static int nx_decr_dev_ref_cnt(struct netxen_adapter *adapter); |
90 | static int netxen_can_start_firmware(struct netxen_adapter *adapter); | |
91 | ||
1494a814 | 92 | static irqreturn_t netxen_intr(int irq, void *data); |
05aaa02d | 93 | static irqreturn_t netxen_msi_intr(int irq, void *data); |
b3df68f8 | 94 | static irqreturn_t netxen_msix_intr(int irq, void *data); |
3d396eb1 | 95 | |
d0725e4d AKS |
96 | static void netxen_config_indev_addr(struct net_device *dev, unsigned long); |
97 | ||
3d396eb1 | 98 | /* PCI Device ID Table */ |
70081ac5 | 99 | #define ENTRY(device) \ |
040dec3b | 100 | {PCI_DEVICE(PCI_VENDOR_ID_NETXEN, (device)), \ |
70081ac5 AV |
101 | .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0} |
102 | ||
3d396eb1 | 103 | static struct pci_device_id netxen_pci_tbl[] __devinitdata = { |
040dec3b DP |
104 | ENTRY(PCI_DEVICE_ID_NX2031_10GXSR), |
105 | ENTRY(PCI_DEVICE_ID_NX2031_10GCX4), | |
106 | ENTRY(PCI_DEVICE_ID_NX2031_4GCU), | |
107 | ENTRY(PCI_DEVICE_ID_NX2031_IMEZ), | |
108 | ENTRY(PCI_DEVICE_ID_NX2031_HMEZ), | |
109 | ENTRY(PCI_DEVICE_ID_NX2031_XG_MGMT), | |
110 | ENTRY(PCI_DEVICE_ID_NX2031_XG_MGMT2), | |
111 | ENTRY(PCI_DEVICE_ID_NX3031), | |
3d396eb1 AK |
112 | {0,} |
113 | }; | |
114 | ||
115 | MODULE_DEVICE_TABLE(pci, netxen_pci_tbl); | |
116 | ||
7830b22c DP |
117 | static uint32_t crb_cmd_producer[4] = { |
118 | CRB_CMD_PRODUCER_OFFSET, CRB_CMD_PRODUCER_OFFSET_1, | |
119 | CRB_CMD_PRODUCER_OFFSET_2, CRB_CMD_PRODUCER_OFFSET_3 | |
120 | }; | |
121 | ||
c9fc891f | 122 | void |
3ce06a32 | 123 | netxen_nic_update_cmd_producer(struct netxen_adapter *adapter, |
cb2107be | 124 | struct nx_host_tx_ring *tx_ring) |
3176ff3e | 125 | { |
195c5f98 | 126 | NXWRIO(adapter, tx_ring->crb_cmd_producer, tx_ring->producer); |
cb2107be DP |
127 | |
128 | if (netxen_tx_avail(tx_ring) <= TX_STOP_THRESH) { | |
129 | netif_stop_queue(adapter->netdev); | |
130 | smp_mb(); | |
131 | } | |
3176ff3e MT |
132 | } |
133 | ||
7830b22c DP |
134 | static uint32_t crb_cmd_consumer[4] = { |
135 | CRB_CMD_CONSUMER_OFFSET, CRB_CMD_CONSUMER_OFFSET_1, | |
136 | CRB_CMD_CONSUMER_OFFSET_2, CRB_CMD_CONSUMER_OFFSET_3 | |
137 | }; | |
138 | ||
3ce06a32 DP |
139 | static inline void |
140 | netxen_nic_update_cmd_consumer(struct netxen_adapter *adapter, | |
cb2107be | 141 | struct nx_host_tx_ring *tx_ring) |
3176ff3e | 142 | { |
195c5f98 | 143 | NXWRIO(adapter, tx_ring->crb_cmd_consumer, tx_ring->sw_consumer); |
3176ff3e MT |
144 | } |
145 | ||
2956640d | 146 | static uint32_t msi_tgt_status[8] = { |
443be796 | 147 | ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, |
2956640d DP |
148 | ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3, |
149 | ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5, | |
150 | ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7 | |
443be796 DP |
151 | }; |
152 | ||
2956640d DP |
153 | static struct netxen_legacy_intr_set legacy_intr[] = NX_LEGACY_INTR_CONFIG; |
154 | ||
d8b100c5 | 155 | static inline void netxen_nic_disable_int(struct nx_host_sds_ring *sds_ring) |
4638aef1 | 156 | { |
d8b100c5 DP |
157 | struct netxen_adapter *adapter = sds_ring->adapter; |
158 | ||
195c5f98 | 159 | NXWRIO(adapter, sds_ring->crb_intr_mask, 0); |
4638aef1 SH |
160 | } |
161 | ||
d8b100c5 | 162 | static inline void netxen_nic_enable_int(struct nx_host_sds_ring *sds_ring) |
4638aef1 | 163 | { |
d8b100c5 DP |
164 | struct netxen_adapter *adapter = sds_ring->adapter; |
165 | ||
195c5f98 | 166 | NXWRIO(adapter, sds_ring->crb_intr_mask, 0x1); |
4638aef1 | 167 | |
092bc571 | 168 | if (!NETXEN_IS_MSI_FAMILY(adapter)) |
195c5f98 | 169 | NXWRIO(adapter, adapter->tgt_mask_reg, 0xfbff); |
4638aef1 SH |
170 | } |
171 | ||
71dcddbd DP |
172 | static int |
173 | netxen_alloc_sds_rings(struct netxen_recv_context *recv_ctx, int count) | |
174 | { | |
175 | int size = sizeof(struct nx_host_sds_ring) * count; | |
176 | ||
177 | recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL); | |
178 | ||
179 | return (recv_ctx->sds_rings == NULL); | |
180 | } | |
181 | ||
d8b100c5 | 182 | static void |
71dcddbd DP |
183 | netxen_free_sds_rings(struct netxen_recv_context *recv_ctx) |
184 | { | |
185 | if (recv_ctx->sds_rings != NULL) | |
186 | kfree(recv_ctx->sds_rings); | |
232e7d68 DP |
187 | |
188 | recv_ctx->sds_rings = NULL; | |
71dcddbd DP |
189 | } |
190 | ||
191 | static int | |
d8b100c5 DP |
192 | netxen_napi_add(struct netxen_adapter *adapter, struct net_device *netdev) |
193 | { | |
194 | int ring; | |
195 | struct nx_host_sds_ring *sds_ring; | |
196 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; | |
197 | ||
71dcddbd | 198 | if (netxen_alloc_sds_rings(recv_ctx, adapter->max_sds_rings)) |
f17443f4 | 199 | return -ENOMEM; |
71dcddbd | 200 | |
d8b100c5 DP |
201 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
202 | sds_ring = &recv_ctx->sds_rings[ring]; | |
203 | netif_napi_add(netdev, &sds_ring->napi, | |
204 | netxen_nic_poll, NETXEN_NETDEV_WEIGHT); | |
205 | } | |
71dcddbd DP |
206 | |
207 | return 0; | |
d8b100c5 DP |
208 | } |
209 | ||
232e7d68 DP |
210 | static void |
211 | netxen_napi_del(struct netxen_adapter *adapter) | |
212 | { | |
213 | int ring; | |
214 | struct nx_host_sds_ring *sds_ring; | |
215 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; | |
216 | ||
217 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
218 | sds_ring = &recv_ctx->sds_rings[ring]; | |
219 | netif_napi_del(&sds_ring->napi); | |
220 | } | |
221 | ||
222 | netxen_free_sds_rings(&adapter->recv_ctx); | |
223 | } | |
224 | ||
d8b100c5 DP |
225 | static void |
226 | netxen_napi_enable(struct netxen_adapter *adapter) | |
227 | { | |
228 | int ring; | |
229 | struct nx_host_sds_ring *sds_ring; | |
230 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; | |
231 | ||
232 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
233 | sds_ring = &recv_ctx->sds_rings[ring]; | |
234 | napi_enable(&sds_ring->napi); | |
235 | netxen_nic_enable_int(sds_ring); | |
236 | } | |
237 | } | |
238 | ||
239 | static void | |
240 | netxen_napi_disable(struct netxen_adapter *adapter) | |
241 | { | |
242 | int ring; | |
243 | struct nx_host_sds_ring *sds_ring; | |
244 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; | |
245 | ||
246 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
247 | sds_ring = &recv_ctx->sds_rings[ring]; | |
be339aee | 248 | netxen_nic_disable_int(sds_ring); |
b2af9cb0 DP |
249 | napi_synchronize(&sds_ring->napi); |
250 | napi_disable(&sds_ring->napi); | |
d8b100c5 DP |
251 | } |
252 | } | |
253 | ||
50c643e7 | 254 | static int nx_set_dma_mask(struct netxen_adapter *adapter) |
2956640d DP |
255 | { |
256 | struct pci_dev *pdev = adapter->pdev; | |
1f434f63 DP |
257 | uint64_t mask, cmask; |
258 | ||
259 | adapter->pci_using_dac = 0; | |
2956640d | 260 | |
6afd142f | 261 | mask = DMA_BIT_MASK(32); |
6afd142f | 262 | cmask = DMA_BIT_MASK(32); |
1f434f63 | 263 | |
50c643e7 | 264 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { |
1f434f63 | 265 | #ifndef CONFIG_IA64 |
6afd142f | 266 | mask = DMA_BIT_MASK(35); |
1f434f63 | 267 | #endif |
50c643e7 DP |
268 | } else { |
269 | mask = DMA_BIT_MASK(39); | |
270 | cmask = mask; | |
271 | } | |
272 | ||
2956640d | 273 | if (pci_set_dma_mask(pdev, mask) == 0 && |
1f434f63 | 274 | pci_set_consistent_dma_mask(pdev, cmask) == 0) { |
2956640d DP |
275 | adapter->pci_using_dac = 1; |
276 | return 0; | |
277 | } | |
2956640d | 278 | |
1f434f63 DP |
279 | return -EIO; |
280 | } | |
281 | ||
282 | /* Update addressable range if firmware supports it */ | |
283 | static int | |
284 | nx_update_dma_mask(struct netxen_adapter *adapter) | |
285 | { | |
286 | int change, shift, err; | |
50c643e7 | 287 | uint64_t mask, old_mask, old_cmask; |
1f434f63 DP |
288 | struct pci_dev *pdev = adapter->pdev; |
289 | ||
290 | change = 0; | |
291 | ||
f98a9f69 | 292 | shift = NXRD32(adapter, CRB_DMA_SHIFT); |
f60f7856 | 293 | if (shift > 32) |
1f434f63 DP |
294 | return 0; |
295 | ||
296 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id) && (shift > 9)) | |
297 | change = 1; | |
298 | else if ((adapter->ahw.revision_id == NX_P2_C1) && (shift <= 4)) | |
299 | change = 1; | |
300 | ||
301 | if (change) { | |
302 | old_mask = pdev->dma_mask; | |
50c643e7 DP |
303 | old_cmask = pdev->dev.coherent_dma_mask; |
304 | ||
f60f7856 | 305 | mask = DMA_BIT_MASK(32+shift); |
1f434f63 DP |
306 | |
307 | err = pci_set_dma_mask(pdev, mask); | |
308 | if (err) | |
50c643e7 DP |
309 | goto err_out; |
310 | ||
311 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { | |
312 | ||
313 | err = pci_set_consistent_dma_mask(pdev, mask); | |
314 | if (err) | |
315 | goto err_out; | |
316 | } | |
317 | dev_info(&pdev->dev, "using %d-bit dma mask\n", 32+shift); | |
2956640d DP |
318 | } |
319 | ||
2956640d | 320 | return 0; |
50c643e7 DP |
321 | |
322 | err_out: | |
323 | pci_set_dma_mask(pdev, old_mask); | |
324 | pci_set_consistent_dma_mask(pdev, old_cmask); | |
325 | return err; | |
2956640d DP |
326 | } |
327 | ||
2956640d DP |
328 | static int |
329 | netxen_check_hw_init(struct netxen_adapter *adapter, int first_boot) | |
330 | { | |
27c915a4 | 331 | u32 val, timeout; |
2956640d DP |
332 | |
333 | if (first_boot == 0x55555555) { | |
334 | /* This is the first boot after power up */ | |
f98a9f69 | 335 | NXWR32(adapter, NETXEN_CAM_RAM(0x1fc), NETXEN_BDINFO_MAGIC); |
27c915a4 DP |
336 | |
337 | if (!NX_IS_REVISION_P2(adapter->ahw.revision_id)) | |
338 | return 0; | |
2956640d DP |
339 | |
340 | /* PCI bus master workaround */ | |
f98a9f69 | 341 | first_boot = NXRD32(adapter, NETXEN_PCIE_REG(0x4)); |
2956640d DP |
342 | if (!(first_boot & 0x4)) { |
343 | first_boot |= 0x4; | |
f98a9f69 DP |
344 | NXWR32(adapter, NETXEN_PCIE_REG(0x4), first_boot); |
345 | first_boot = NXRD32(adapter, NETXEN_PCIE_REG(0x4)); | |
2956640d DP |
346 | } |
347 | ||
348 | /* This is the first boot after power up */ | |
f98a9f69 | 349 | first_boot = NXRD32(adapter, NETXEN_ROMUSB_GLB_SW_RESET); |
2956640d DP |
350 | if (first_boot != 0x80000f) { |
351 | /* clear the register for future unloads/loads */ | |
f98a9f69 | 352 | NXWR32(adapter, NETXEN_CAM_RAM(0x1fc), 0); |
27c915a4 | 353 | return -EIO; |
2956640d DP |
354 | } |
355 | ||
27c915a4 | 356 | /* Start P2 boot loader */ |
f98a9f69 DP |
357 | val = NXRD32(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE); |
358 | NXWR32(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE, val | 0x1); | |
27c915a4 DP |
359 | timeout = 0; |
360 | do { | |
361 | msleep(1); | |
f98a9f69 | 362 | val = NXRD32(adapter, NETXEN_CAM_RAM(0x1fc)); |
27c915a4 DP |
363 | |
364 | if (++timeout > 5000) | |
365 | return -EIO; | |
366 | ||
367 | } while (val == NETXEN_BDINFO_MAGIC); | |
2956640d | 368 | } |
27c915a4 | 369 | return 0; |
2956640d DP |
370 | } |
371 | ||
372 | static void netxen_set_port_mode(struct netxen_adapter *adapter) | |
373 | { | |
374 | u32 val, data; | |
375 | ||
1e2d0059 | 376 | val = adapter->ahw.board_type; |
2956640d DP |
377 | if ((val == NETXEN_BRDTYPE_P3_HMEZ) || |
378 | (val == NETXEN_BRDTYPE_P3_XG_LOM)) { | |
379 | if (port_mode == NETXEN_PORT_MODE_802_3_AP) { | |
380 | data = NETXEN_PORT_MODE_802_3_AP; | |
f98a9f69 | 381 | NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data); |
2956640d DP |
382 | } else if (port_mode == NETXEN_PORT_MODE_XG) { |
383 | data = NETXEN_PORT_MODE_XG; | |
f98a9f69 | 384 | NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data); |
2956640d DP |
385 | } else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_1G) { |
386 | data = NETXEN_PORT_MODE_AUTO_NEG_1G; | |
f98a9f69 | 387 | NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data); |
2956640d DP |
388 | } else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_XG) { |
389 | data = NETXEN_PORT_MODE_AUTO_NEG_XG; | |
f98a9f69 | 390 | NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data); |
2956640d DP |
391 | } else { |
392 | data = NETXEN_PORT_MODE_AUTO_NEG; | |
f98a9f69 | 393 | NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data); |
2956640d DP |
394 | } |
395 | ||
396 | if ((wol_port_mode != NETXEN_PORT_MODE_802_3_AP) && | |
397 | (wol_port_mode != NETXEN_PORT_MODE_XG) && | |
398 | (wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_1G) && | |
399 | (wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_XG)) { | |
400 | wol_port_mode = NETXEN_PORT_MODE_AUTO_NEG; | |
401 | } | |
f98a9f69 | 402 | NXWR32(adapter, NETXEN_WOL_PORT_MODE, wol_port_mode); |
2956640d DP |
403 | } |
404 | } | |
405 | ||
2956640d DP |
406 | static void netxen_set_msix_bit(struct pci_dev *pdev, int enable) |
407 | { | |
408 | u32 control; | |
409 | int pos; | |
410 | ||
411 | pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX); | |
412 | if (pos) { | |
413 | pci_read_config_dword(pdev, pos, &control); | |
414 | if (enable) | |
415 | control |= PCI_MSIX_FLAGS_ENABLE; | |
416 | else | |
417 | control = 0; | |
418 | pci_write_config_dword(pdev, pos, control); | |
419 | } | |
420 | } | |
421 | ||
be339aee | 422 | static void netxen_init_msix_entries(struct netxen_adapter *adapter, int count) |
2956640d DP |
423 | { |
424 | int i; | |
425 | ||
be339aee | 426 | for (i = 0; i < count; i++) |
2956640d DP |
427 | adapter->msix_entries[i].entry = i; |
428 | } | |
429 | ||
9dc28efe DP |
430 | static int |
431 | netxen_read_mac_addr(struct netxen_adapter *adapter) | |
432 | { | |
433 | int i; | |
434 | unsigned char *p; | |
435 | __le64 mac_addr; | |
9dc28efe DP |
436 | struct net_device *netdev = adapter->netdev; |
437 | struct pci_dev *pdev = adapter->pdev; | |
438 | ||
9dc28efe DP |
439 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { |
440 | if (netxen_p3_get_mac_addr(adapter, &mac_addr) != 0) | |
441 | return -EIO; | |
442 | } else { | |
443 | if (netxen_get_flash_mac_addr(adapter, &mac_addr) != 0) | |
444 | return -EIO; | |
445 | } | |
446 | ||
447 | p = (unsigned char *)&mac_addr; | |
448 | for (i = 0; i < 6; i++) | |
449 | netdev->dev_addr[i] = *(p + 5 - i); | |
450 | ||
451 | memcpy(netdev->perm_addr, netdev->dev_addr, netdev->addr_len); | |
5d09e534 | 452 | memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len); |
9dc28efe DP |
453 | |
454 | /* set station address */ | |
455 | ||
e174961c JB |
456 | if (!is_valid_ether_addr(netdev->perm_addr)) |
457 | dev_warn(&pdev->dev, "Bad MAC address %pM.\n", netdev->dev_addr); | |
9dc28efe DP |
458 | |
459 | return 0; | |
460 | } | |
461 | ||
3d0a3cc9 DP |
462 | int netxen_nic_set_mac(struct net_device *netdev, void *p) |
463 | { | |
464 | struct netxen_adapter *adapter = netdev_priv(netdev); | |
465 | struct sockaddr *addr = p; | |
466 | ||
467 | if (!is_valid_ether_addr(addr->sa_data)) | |
468 | return -EINVAL; | |
469 | ||
470 | if (netif_running(netdev)) { | |
471 | netif_device_detach(netdev); | |
472 | netxen_napi_disable(adapter); | |
473 | } | |
474 | ||
5d09e534 | 475 | memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len); |
3d0a3cc9 DP |
476 | memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); |
477 | adapter->macaddr_set(adapter, addr->sa_data); | |
478 | ||
479 | if (netif_running(netdev)) { | |
480 | netif_device_attach(netdev); | |
481 | netxen_napi_enable(adapter); | |
482 | } | |
483 | return 0; | |
484 | } | |
485 | ||
1abd266f SH |
486 | static void netxen_set_multicast_list(struct net_device *dev) |
487 | { | |
488 | struct netxen_adapter *adapter = netdev_priv(dev); | |
489 | ||
3d0a3cc9 | 490 | adapter->set_multi(dev); |
1abd266f SH |
491 | } |
492 | ||
493 | static const struct net_device_ops netxen_netdev_ops = { | |
494 | .ndo_open = netxen_nic_open, | |
495 | .ndo_stop = netxen_nic_close, | |
496 | .ndo_start_xmit = netxen_nic_xmit_frame, | |
497 | .ndo_get_stats = netxen_nic_get_stats, | |
498 | .ndo_validate_addr = eth_validate_addr, | |
499 | .ndo_set_multicast_list = netxen_set_multicast_list, | |
500 | .ndo_set_mac_address = netxen_nic_set_mac, | |
501 | .ndo_change_mtu = netxen_nic_change_mtu, | |
502 | .ndo_tx_timeout = netxen_tx_timeout, | |
503 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
504 | .ndo_poll_controller = netxen_nic_poll_controller, | |
505 | #endif | |
506 | }; | |
507 | ||
97daee83 DP |
508 | static void |
509 | netxen_setup_intr(struct netxen_adapter *adapter) | |
510 | { | |
511 | struct netxen_legacy_intr_set *legacy_intrp; | |
512 | struct pci_dev *pdev = adapter->pdev; | |
be339aee DP |
513 | int err, num_msix; |
514 | ||
515 | if (adapter->rss_supported) { | |
516 | num_msix = (num_online_cpus() >= MSIX_ENTRIES_PER_ADAPTER) ? | |
517 | MSIX_ENTRIES_PER_ADAPTER : 2; | |
518 | } else | |
519 | num_msix = 1; | |
520 | ||
521 | adapter->max_sds_rings = 1; | |
97daee83 DP |
522 | |
523 | adapter->flags &= ~(NETXEN_NIC_MSI_ENABLED | NETXEN_NIC_MSIX_ENABLED); | |
97daee83 DP |
524 | |
525 | if (adapter->ahw.revision_id >= NX_P3_B0) | |
526 | legacy_intrp = &legacy_intr[adapter->ahw.pci_func]; | |
527 | else | |
528 | legacy_intrp = &legacy_intr[0]; | |
195c5f98 AKS |
529 | |
530 | adapter->int_vec_bit = legacy_intrp->int_vec_bit; | |
531 | adapter->tgt_status_reg = netxen_get_ioaddr(adapter, | |
532 | legacy_intrp->tgt_status_reg); | |
533 | adapter->tgt_mask_reg = netxen_get_ioaddr(adapter, | |
534 | legacy_intrp->tgt_mask_reg); | |
535 | adapter->pci_int_reg = netxen_get_ioaddr(adapter, | |
536 | legacy_intrp->pci_int_reg); | |
537 | adapter->isr_int_vec = netxen_get_ioaddr(adapter, ISR_INT_VECTOR); | |
538 | ||
539 | if (adapter->ahw.revision_id >= NX_P3_B1) | |
540 | adapter->crb_int_state_reg = netxen_get_ioaddr(adapter, | |
541 | ISR_INT_STATE_REG); | |
542 | else | |
543 | adapter->crb_int_state_reg = netxen_get_ioaddr(adapter, | |
544 | CRB_INT_VECTOR); | |
97daee83 DP |
545 | |
546 | netxen_set_msix_bit(pdev, 0); | |
547 | ||
548 | if (adapter->msix_supported) { | |
549 | ||
be339aee DP |
550 | netxen_init_msix_entries(adapter, num_msix); |
551 | err = pci_enable_msix(pdev, adapter->msix_entries, num_msix); | |
552 | if (err == 0) { | |
553 | adapter->flags |= NETXEN_NIC_MSIX_ENABLED; | |
554 | netxen_set_msix_bit(pdev, 1); | |
97daee83 | 555 | |
be339aee DP |
556 | if (adapter->rss_supported) |
557 | adapter->max_sds_rings = num_msix; | |
97daee83 | 558 | |
be339aee DP |
559 | dev_info(&pdev->dev, "using msi-x interrupts\n"); |
560 | return; | |
561 | } | |
562 | ||
563 | if (err > 0) | |
564 | pci_disable_msix(pdev); | |
565 | ||
566 | /* fall through for msi */ | |
97daee83 | 567 | } |
be339aee DP |
568 | |
569 | if (use_msi && !pci_enable_msi(pdev)) { | |
570 | adapter->flags |= NETXEN_NIC_MSI_ENABLED; | |
195c5f98 AKS |
571 | adapter->tgt_status_reg = netxen_get_ioaddr(adapter, |
572 | msi_tgt_status[adapter->ahw.pci_func]); | |
be339aee | 573 | dev_info(&pdev->dev, "using msi interrupts\n"); |
f67f3408 | 574 | adapter->msix_entries[0].vector = pdev->irq; |
be339aee DP |
575 | return; |
576 | } | |
577 | ||
578 | dev_info(&pdev->dev, "using legacy interrupts\n"); | |
579 | adapter->msix_entries[0].vector = pdev->irq; | |
97daee83 DP |
580 | } |
581 | ||
582 | static void | |
583 | netxen_teardown_intr(struct netxen_adapter *adapter) | |
584 | { | |
585 | if (adapter->flags & NETXEN_NIC_MSIX_ENABLED) | |
586 | pci_disable_msix(adapter->pdev); | |
587 | if (adapter->flags & NETXEN_NIC_MSI_ENABLED) | |
588 | pci_disable_msi(adapter->pdev); | |
589 | } | |
590 | ||
591 | static void | |
592 | netxen_cleanup_pci_map(struct netxen_adapter *adapter) | |
593 | { | |
594 | if (adapter->ahw.db_base != NULL) | |
595 | iounmap(adapter->ahw.db_base); | |
596 | if (adapter->ahw.pci_base0 != NULL) | |
597 | iounmap(adapter->ahw.pci_base0); | |
598 | if (adapter->ahw.pci_base1 != NULL) | |
599 | iounmap(adapter->ahw.pci_base1); | |
600 | if (adapter->ahw.pci_base2 != NULL) | |
601 | iounmap(adapter->ahw.pci_base2); | |
602 | } | |
603 | ||
604 | static int | |
605 | netxen_setup_pci_map(struct netxen_adapter *adapter) | |
606 | { | |
607 | void __iomem *mem_ptr0 = NULL; | |
608 | void __iomem *mem_ptr1 = NULL; | |
609 | void __iomem *mem_ptr2 = NULL; | |
610 | void __iomem *db_ptr = NULL; | |
611 | ||
71fb62fb DP |
612 | resource_size_t mem_base, db_base; |
613 | unsigned long mem_len, db_len = 0, pci_len0 = 0; | |
97daee83 DP |
614 | |
615 | struct pci_dev *pdev = adapter->pdev; | |
616 | int pci_func = adapter->ahw.pci_func; | |
617 | ||
618 | int err = 0; | |
619 | ||
620 | /* | |
621 | * Set the CRB window to invalid. If any register in window 0 is | |
622 | * accessed it should set the window to 0 and then reset it to 1. | |
623 | */ | |
907fa120 | 624 | adapter->ahw.crb_win = -1; |
47abe356 | 625 | adapter->ahw.ocm_win = -1; |
97daee83 DP |
626 | |
627 | /* remap phys address */ | |
628 | mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */ | |
629 | mem_len = pci_resource_len(pdev, 0); | |
97daee83 | 630 | |
97daee83 DP |
631 | /* 128 Meg of memory */ |
632 | if (mem_len == NETXEN_PCI_128MB_SIZE) { | |
633 | mem_ptr0 = ioremap(mem_base, FIRST_PAGE_GROUP_SIZE); | |
634 | mem_ptr1 = ioremap(mem_base + SECOND_PAGE_GROUP_START, | |
635 | SECOND_PAGE_GROUP_SIZE); | |
636 | mem_ptr2 = ioremap(mem_base + THIRD_PAGE_GROUP_START, | |
637 | THIRD_PAGE_GROUP_SIZE); | |
47abe356 | 638 | pci_len0 = FIRST_PAGE_GROUP_SIZE; |
97daee83 DP |
639 | } else if (mem_len == NETXEN_PCI_32MB_SIZE) { |
640 | mem_ptr1 = ioremap(mem_base, SECOND_PAGE_GROUP_SIZE); | |
641 | mem_ptr2 = ioremap(mem_base + THIRD_PAGE_GROUP_START - | |
642 | SECOND_PAGE_GROUP_START, THIRD_PAGE_GROUP_SIZE); | |
97daee83 | 643 | } else if (mem_len == NETXEN_PCI_2MB_SIZE) { |
97daee83 DP |
644 | |
645 | mem_ptr0 = pci_ioremap_bar(pdev, 0); | |
646 | if (mem_ptr0 == NULL) { | |
647 | dev_err(&pdev->dev, "failed to map PCI bar 0\n"); | |
648 | return -EIO; | |
649 | } | |
650 | pci_len0 = mem_len; | |
97daee83 DP |
651 | } else { |
652 | return -EIO; | |
653 | } | |
654 | ||
195c5f98 AKS |
655 | netxen_setup_hwops(adapter); |
656 | ||
97daee83 DP |
657 | dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20)); |
658 | ||
659 | adapter->ahw.pci_base0 = mem_ptr0; | |
660 | adapter->ahw.pci_len0 = pci_len0; | |
97daee83 DP |
661 | adapter->ahw.pci_base1 = mem_ptr1; |
662 | adapter->ahw.pci_base2 = mem_ptr2; | |
663 | ||
6abb4b83 AKS |
664 | if (NX_IS_REVISION_P3P(adapter->ahw.revision_id)) { |
665 | adapter->ahw.ocm_win_crb = netxen_get_ioaddr(adapter, | |
666 | NETXEN_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(pci_func))); | |
667 | ||
668 | } else if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { | |
47abe356 DP |
669 | adapter->ahw.ocm_win_crb = netxen_get_ioaddr(adapter, |
670 | NETXEN_PCIX_PS_REG(PCIE_MN_WINDOW_REG(pci_func))); | |
671 | } | |
672 | ||
97daee83 DP |
673 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) |
674 | goto skip_doorbell; | |
675 | ||
676 | db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */ | |
677 | db_len = pci_resource_len(pdev, 4); | |
678 | ||
679 | if (db_len == 0) { | |
680 | printk(KERN_ERR "%s: doorbell is disabled\n", | |
681 | netxen_nic_driver_name); | |
682 | err = -EIO; | |
683 | goto err_out; | |
684 | } | |
685 | ||
686 | db_ptr = ioremap(db_base, NETXEN_DB_MAPSIZE_BYTES); | |
687 | if (!db_ptr) { | |
688 | printk(KERN_ERR "%s: Failed to allocate doorbell map.", | |
689 | netxen_nic_driver_name); | |
690 | err = -EIO; | |
691 | goto err_out; | |
692 | } | |
693 | ||
694 | skip_doorbell: | |
695 | adapter->ahw.db_base = db_ptr; | |
696 | adapter->ahw.db_len = db_len; | |
697 | return 0; | |
698 | ||
699 | err_out: | |
700 | netxen_cleanup_pci_map(adapter); | |
701 | return err; | |
702 | } | |
703 | ||
2b9e62ee DP |
704 | static void |
705 | netxen_check_options(struct netxen_adapter *adapter) | |
706 | { | |
707 | u32 fw_major, fw_minor, fw_build; | |
708 | char brd_name[NETXEN_MAX_SHORT_NAME]; | |
709 | char serial_num[32]; | |
710 | int i, offset, val; | |
711 | int *ptr32; | |
712 | struct pci_dev *pdev = adapter->pdev; | |
713 | ||
714 | adapter->driver_mismatch = 0; | |
715 | ||
716 | ptr32 = (int *)&serial_num; | |
717 | offset = NX_FW_SERIAL_NUM_OFFSET; | |
718 | for (i = 0; i < 8; i++) { | |
719 | if (netxen_rom_fast_read(adapter, offset, &val) == -1) { | |
720 | dev_err(&pdev->dev, "error reading board info\n"); | |
721 | adapter->driver_mismatch = 1; | |
722 | return; | |
723 | } | |
724 | ptr32[i] = cpu_to_le32(val); | |
725 | offset += sizeof(u32); | |
726 | } | |
727 | ||
728 | fw_major = NXRD32(adapter, NETXEN_FW_VERSION_MAJOR); | |
729 | fw_minor = NXRD32(adapter, NETXEN_FW_VERSION_MINOR); | |
730 | fw_build = NXRD32(adapter, NETXEN_FW_VERSION_SUB); | |
731 | ||
732 | adapter->fw_version = NETXEN_VERSION_CODE(fw_major, fw_minor, fw_build); | |
733 | ||
734 | if (adapter->portnum == 0) { | |
735 | get_brd_name_by_type(adapter->ahw.board_type, brd_name); | |
736 | ||
c25c0b9b DP |
737 | pr_info("%s: %s Board S/N %s Chip rev 0x%x\n", |
738 | module_name(THIS_MODULE), | |
2b9e62ee DP |
739 | brd_name, serial_num, adapter->ahw.revision_id); |
740 | } | |
741 | ||
742 | if (adapter->fw_version < NETXEN_VERSION_CODE(3, 4, 216)) { | |
743 | adapter->driver_mismatch = 1; | |
744 | dev_warn(&pdev->dev, "firmware version %d.%d.%d unsupported\n", | |
745 | fw_major, fw_minor, fw_build); | |
746 | return; | |
747 | } | |
748 | ||
749 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { | |
750 | i = NXRD32(adapter, NETXEN_SRE_MISC); | |
751 | adapter->ahw.cut_through = (i & 0x8000) ? 1 : 0; | |
752 | } | |
753 | ||
754 | dev_info(&pdev->dev, "firmware v%d.%d.%d [%s]\n", | |
755 | fw_major, fw_minor, fw_build, | |
756 | adapter->ahw.cut_through ? "cut-through" : "legacy"); | |
757 | ||
758 | if (adapter->fw_version >= NETXEN_VERSION_CODE(4, 0, 222)) | |
759 | adapter->capabilities = NXRD32(adapter, CRB_FW_CAPABILITIES_1); | |
760 | ||
761 | adapter->flags &= ~NETXEN_NIC_LRO_ENABLED; | |
762 | ||
763 | if (adapter->ahw.port_type == NETXEN_NIC_XGBE) { | |
764 | adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G; | |
765 | adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; | |
766 | } else if (adapter->ahw.port_type == NETXEN_NIC_GBE) { | |
767 | adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; | |
768 | adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; | |
769 | } | |
770 | ||
771 | adapter->msix_supported = 0; | |
772 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { | |
773 | adapter->msix_supported = !!use_msi_x; | |
774 | adapter->rss_supported = !!use_msi_x; | |
775 | } else if (adapter->fw_version >= NETXEN_VERSION_CODE(3, 4, 336)) { | |
776 | switch (adapter->ahw.board_type) { | |
777 | case NETXEN_BRDTYPE_P2_SB31_10G: | |
778 | case NETXEN_BRDTYPE_P2_SB31_10G_CX4: | |
779 | adapter->msix_supported = !!use_msi_x; | |
780 | adapter->rss_supported = !!use_msi_x; | |
781 | break; | |
782 | default: | |
783 | break; | |
784 | } | |
785 | } | |
786 | ||
787 | adapter->num_txd = MAX_CMD_DESCRIPTORS; | |
788 | ||
789 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { | |
790 | adapter->num_lro_rxd = MAX_LRO_RCV_DESCRIPTORS; | |
791 | adapter->max_rds_rings = 3; | |
792 | } else { | |
793 | adapter->num_lro_rxd = 0; | |
794 | adapter->max_rds_rings = 2; | |
795 | } | |
796 | } | |
797 | ||
ba599d4f | 798 | static int |
6a581e93 | 799 | netxen_start_firmware(struct netxen_adapter *adapter) |
ba599d4f DP |
800 | { |
801 | int val, err, first_boot; | |
802 | struct pci_dev *pdev = adapter->pdev; | |
803 | ||
2b9e62ee DP |
804 | /* required for NX2031 dummy dma */ |
805 | err = nx_set_dma_mask(adapter); | |
806 | if (err) | |
807 | return err; | |
808 | ||
6a581e93 | 809 | if (!netxen_can_start_firmware(adapter)) |
96f2ebd2 | 810 | goto wait_init; |
0b72e659 | 811 | |
f98a9f69 | 812 | first_boot = NXRD32(adapter, NETXEN_CAM_RAM(0x1fc)); |
ba599d4f DP |
813 | |
814 | err = netxen_check_hw_init(adapter, first_boot); | |
815 | if (err) { | |
816 | dev_err(&pdev->dev, "error in init HW init sequence\n"); | |
817 | return err; | |
818 | } | |
819 | ||
6a581e93 | 820 | netxen_request_firmware(adapter); |
f7185c71 | 821 | |
67c38fc6 | 822 | err = netxen_need_fw_reset(adapter); |
1dbc84a7 | 823 | if (err < 0) |
db4cfd8a | 824 | goto err_out; |
1dbc84a7 | 825 | if (err == 0) |
8f9b3f69 | 826 | goto wait_init; |
67c38fc6 | 827 | |
ba599d4f | 828 | if (first_boot != 0x55555555) { |
f98a9f69 | 829 | NXWR32(adapter, CRB_CMDPEG_STATE, 0); |
0be367bd | 830 | netxen_pinit_from_rom(adapter); |
ba599d4f DP |
831 | msleep(1); |
832 | } | |
567c6c4e | 833 | |
f98a9f69 | 834 | NXWR32(adapter, CRB_DMA_SHIFT, 0x55555555); |
6a581e93 DP |
835 | NXWR32(adapter, NETXEN_PEG_HALT_STATUS1, 0); |
836 | NXWR32(adapter, NETXEN_PEG_HALT_STATUS2, 0); | |
837 | ||
567c6c4e DP |
838 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) |
839 | netxen_set_port_mode(adapter); | |
840 | ||
db4cfd8a DP |
841 | err = netxen_load_firmware(adapter); |
842 | if (err) | |
843 | goto err_out; | |
ba599d4f | 844 | |
6a581e93 DP |
845 | netxen_release_firmware(adapter); |
846 | ||
ba599d4f DP |
847 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { |
848 | ||
849 | /* Initialize multicast addr pool owners */ | |
850 | val = 0x7654; | |
1e2d0059 | 851 | if (adapter->ahw.port_type == NETXEN_NIC_XGBE) |
ba599d4f | 852 | val |= 0x0f000000; |
f98a9f69 | 853 | NXWR32(adapter, NETXEN_MAC_ADDR_CNTL_REG, val); |
ba599d4f DP |
854 | |
855 | } | |
856 | ||
83ac51fa | 857 | err = netxen_init_dummy_dma(adapter); |
ba599d4f | 858 | if (err) |
db4cfd8a | 859 | goto err_out; |
ba599d4f DP |
860 | |
861 | /* | |
862 | * Tell the hardware our version number. | |
863 | */ | |
864 | val = (_NETXEN_NIC_LINUX_MAJOR << 16) | |
865 | | ((_NETXEN_NIC_LINUX_MINOR << 8)) | |
866 | | (_NETXEN_NIC_LINUX_SUBVERSION); | |
f98a9f69 | 867 | NXWR32(adapter, CRB_DRIVER_VERSION, val); |
ba599d4f | 868 | |
96f2ebd2 | 869 | wait_init: |
ba599d4f DP |
870 | /* Handshake with the card before we register the devices. */ |
871 | err = netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE); | |
872 | if (err) { | |
83ac51fa | 873 | netxen_free_dummy_dma(adapter); |
db4cfd8a | 874 | goto err_out; |
ba599d4f DP |
875 | } |
876 | ||
8f9b3f69 AKS |
877 | NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_READY); |
878 | ||
68b3cae0 DP |
879 | nx_update_dma_mask(adapter); |
880 | ||
6a581e93 | 881 | netxen_check_options(adapter); |
68b3cae0 | 882 | |
74c520da AKS |
883 | adapter->need_fw_reset = 0; |
884 | ||
ec5c50cb | 885 | /* fall through and release firmware */ |
db4cfd8a DP |
886 | |
887 | err_out: | |
888 | netxen_release_firmware(adapter); | |
889 | return err; | |
ba599d4f DP |
890 | } |
891 | ||
9f5bc7f1 DP |
892 | static int |
893 | netxen_nic_request_irq(struct netxen_adapter *adapter) | |
894 | { | |
895 | irq_handler_t handler; | |
d8b100c5 DP |
896 | struct nx_host_sds_ring *sds_ring; |
897 | int err, ring; | |
898 | ||
9f5bc7f1 DP |
899 | unsigned long flags = IRQF_SAMPLE_RANDOM; |
900 | struct net_device *netdev = adapter->netdev; | |
d8b100c5 | 901 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; |
9f5bc7f1 | 902 | |
9f5bc7f1 DP |
903 | if (adapter->flags & NETXEN_NIC_MSIX_ENABLED) |
904 | handler = netxen_msix_intr; | |
905 | else if (adapter->flags & NETXEN_NIC_MSI_ENABLED) | |
906 | handler = netxen_msi_intr; | |
907 | else { | |
908 | flags |= IRQF_SHARED; | |
909 | handler = netxen_intr; | |
910 | } | |
911 | adapter->irq = netdev->irq; | |
912 | ||
d8b100c5 DP |
913 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
914 | sds_ring = &recv_ctx->sds_rings[ring]; | |
be339aee | 915 | sprintf(sds_ring->name, "%s[%d]", netdev->name, ring); |
d8b100c5 DP |
916 | err = request_irq(sds_ring->irq, handler, |
917 | flags, sds_ring->name, sds_ring); | |
918 | if (err) | |
919 | return err; | |
920 | } | |
921 | ||
922 | return 0; | |
923 | } | |
924 | ||
925 | static void | |
926 | netxen_nic_free_irq(struct netxen_adapter *adapter) | |
927 | { | |
928 | int ring; | |
929 | struct nx_host_sds_ring *sds_ring; | |
930 | ||
931 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; | |
932 | ||
933 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
934 | sds_ring = &recv_ctx->sds_rings[ring]; | |
935 | free_irq(sds_ring->irq, sds_ring); | |
936 | } | |
9f5bc7f1 DP |
937 | } |
938 | ||
ca2ef330 DP |
939 | static void |
940 | netxen_nic_init_coalesce_defaults(struct netxen_adapter *adapter) | |
941 | { | |
942 | adapter->coal.flags = NETXEN_NIC_INTR_DEFAULT; | |
943 | adapter->coal.normal.data.rx_time_us = | |
944 | NETXEN_DEFAULT_INTR_COALESCE_RX_TIME_US; | |
945 | adapter->coal.normal.data.rx_packets = | |
946 | NETXEN_DEFAULT_INTR_COALESCE_RX_PACKETS; | |
947 | adapter->coal.normal.data.tx_time_us = | |
948 | NETXEN_DEFAULT_INTR_COALESCE_TX_TIME_US; | |
949 | adapter->coal.normal.data.tx_packets = | |
950 | NETXEN_DEFAULT_INTR_COALESCE_TX_PACKETS; | |
951 | } | |
952 | ||
6f771419 | 953 | /* with rtnl_lock */ |
9f5bc7f1 | 954 | static int |
6f771419 | 955 | __netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev) |
9f5bc7f1 DP |
956 | { |
957 | int err; | |
958 | ||
db4cfd8a DP |
959 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) |
960 | return -EIO; | |
961 | ||
9f5bc7f1 DP |
962 | err = adapter->init_port(adapter, adapter->physical_port); |
963 | if (err) { | |
964 | printk(KERN_ERR "%s: Failed to initialize port %d\n", | |
965 | netxen_nic_driver_name, adapter->portnum); | |
966 | return err; | |
967 | } | |
3d0a3cc9 | 968 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) |
5d09e534 | 969 | adapter->macaddr_set(adapter, adapter->mac_addr); |
9f5bc7f1 | 970 | |
3d0a3cc9 DP |
971 | adapter->set_multi(netdev); |
972 | adapter->set_mtu(adapter, netdev->mtu); | |
9f5bc7f1 DP |
973 | |
974 | adapter->ahw.linkup = 0; | |
9f5bc7f1 | 975 | |
d8b100c5 DP |
976 | if (adapter->max_sds_rings > 1) |
977 | netxen_config_rss(adapter, 1); | |
9f5bc7f1 | 978 | |
ca2ef330 DP |
979 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) |
980 | netxen_config_intr_coalesce(adapter); | |
981 | ||
1bb482f8 NK |
982 | if (adapter->capabilities & NX_FW_CAPABILITY_HW_LRO) |
983 | netxen_config_hw_lro(adapter, NETXEN_NIC_LRO_ENABLED); | |
984 | ||
b2af9cb0 DP |
985 | netxen_napi_enable(adapter); |
986 | ||
5103c9f7 | 987 | if (adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION) |
3bf26ce3 | 988 | netxen_linkevent_request(adapter, 1); |
3d0a3cc9 DP |
989 | else |
990 | netxen_nic_set_link_parameters(adapter); | |
991 | ||
6a581e93 | 992 | set_bit(__NX_DEV_UP, &adapter->state); |
9f5bc7f1 DP |
993 | return 0; |
994 | } | |
995 | ||
6f771419 AKS |
996 | /* Usage: During resume and firmware recovery module.*/ |
997 | ||
998 | static inline int | |
999 | netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev) | |
1000 | { | |
1001 | int err = 0; | |
1002 | ||
1003 | rtnl_lock(); | |
1004 | if (netif_running(netdev)) | |
1005 | err = __netxen_nic_up(adapter, netdev); | |
1006 | rtnl_unlock(); | |
1007 | ||
1008 | return err; | |
1009 | } | |
1010 | ||
1011 | /* with rtnl_lock */ | |
9f5bc7f1 | 1012 | static void |
6f771419 | 1013 | __netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev) |
9f5bc7f1 | 1014 | { |
db4cfd8a DP |
1015 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) |
1016 | return; | |
1017 | ||
f2251f66 AKS |
1018 | if (!test_and_clear_bit(__NX_DEV_UP, &adapter->state)) |
1019 | return; | |
6a581e93 | 1020 | |
f2251f66 | 1021 | smp_mb(); |
b2af9cb0 | 1022 | spin_lock(&adapter->tx_clean_lock); |
9f5bc7f1 | 1023 | netif_carrier_off(netdev); |
b2af9cb0 | 1024 | netif_tx_disable(netdev); |
9f5bc7f1 DP |
1025 | |
1026 | if (adapter->stop_port) | |
1027 | adapter->stop_port(adapter); | |
1028 | ||
5cf4d323 DP |
1029 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) |
1030 | netxen_p3_free_mac_list(adapter); | |
1031 | ||
22b5794b AKS |
1032 | adapter->set_promisc(adapter, NETXEN_NIU_NON_PROMISC_MODE); |
1033 | ||
be339aee DP |
1034 | netxen_napi_disable(adapter); |
1035 | ||
9f5bc7f1 | 1036 | netxen_release_tx_buffers(adapter); |
b2af9cb0 | 1037 | spin_unlock(&adapter->tx_clean_lock); |
9f5bc7f1 DP |
1038 | } |
1039 | ||
6f771419 AKS |
1040 | /* Usage: During suspend and firmware recovery module */ |
1041 | ||
1042 | static inline void | |
1043 | netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev) | |
1044 | { | |
1045 | rtnl_lock(); | |
1046 | if (netif_running(netdev)) | |
1047 | __netxen_nic_down(adapter, netdev); | |
1048 | rtnl_unlock(); | |
1049 | ||
1050 | } | |
9f5bc7f1 DP |
1051 | |
1052 | static int | |
1053 | netxen_nic_attach(struct netxen_adapter *adapter) | |
1054 | { | |
1055 | struct net_device *netdev = adapter->netdev; | |
1056 | struct pci_dev *pdev = adapter->pdev; | |
becf46a0 | 1057 | int err, ring; |
d8b100c5 | 1058 | struct nx_host_rds_ring *rds_ring; |
d877f1e3 | 1059 | struct nx_host_tx_ring *tx_ring; |
9f5bc7f1 | 1060 | |
7042cd8f AKS |
1061 | if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) |
1062 | return 0; | |
1063 | ||
9f5bc7f1 | 1064 | err = netxen_init_firmware(adapter); |
232e7d68 DP |
1065 | if (err) |
1066 | return err; | |
1067 | ||
1068 | err = netxen_napi_add(adapter, netdev); | |
1069 | if (err) | |
1070 | return err; | |
9f5bc7f1 | 1071 | |
9f5bc7f1 DP |
1072 | err = netxen_alloc_sw_resources(adapter); |
1073 | if (err) { | |
1074 | printk(KERN_ERR "%s: Error in setting sw resources\n", | |
1075 | netdev->name); | |
1076 | return err; | |
1077 | } | |
1078 | ||
9f5bc7f1 DP |
1079 | err = netxen_alloc_hw_resources(adapter); |
1080 | if (err) { | |
1081 | printk(KERN_ERR "%s: Error in setting hw resources\n", | |
1082 | netdev->name); | |
1083 | goto err_out_free_sw; | |
1084 | } | |
1085 | ||
4f96b988 | 1086 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { |
4ea528a1 | 1087 | tx_ring = adapter->tx_ring; |
195c5f98 AKS |
1088 | tx_ring->crb_cmd_producer = netxen_get_ioaddr(adapter, |
1089 | crb_cmd_producer[adapter->portnum]); | |
1090 | tx_ring->crb_cmd_consumer = netxen_get_ioaddr(adapter, | |
1091 | crb_cmd_consumer[adapter->portnum]); | |
9f5bc7f1 | 1092 | |
cb2107be DP |
1093 | tx_ring->producer = 0; |
1094 | tx_ring->sw_consumer = 0; | |
1095 | ||
1096 | netxen_nic_update_cmd_producer(adapter, tx_ring); | |
1097 | netxen_nic_update_cmd_consumer(adapter, tx_ring); | |
9f5bc7f1 DP |
1098 | } |
1099 | ||
d8b100c5 DP |
1100 | for (ring = 0; ring < adapter->max_rds_rings; ring++) { |
1101 | rds_ring = &adapter->recv_ctx.rds_rings[ring]; | |
1102 | netxen_post_rx_buffers(adapter, ring, rds_ring); | |
1103 | } | |
9f5bc7f1 DP |
1104 | |
1105 | err = netxen_nic_request_irq(adapter); | |
1106 | if (err) { | |
1107 | dev_err(&pdev->dev, "%s: failed to setup interrupt\n", | |
1108 | netdev->name); | |
1109 | goto err_out_free_rxbuf; | |
1110 | } | |
1111 | ||
ca2ef330 DP |
1112 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) |
1113 | netxen_nic_init_coalesce_defaults(adapter); | |
1114 | ||
fa3ce355 NK |
1115 | netxen_create_sysfs_entries(adapter); |
1116 | ||
9f5bc7f1 DP |
1117 | adapter->is_up = NETXEN_ADAPTER_UP_MAGIC; |
1118 | return 0; | |
1119 | ||
1120 | err_out_free_rxbuf: | |
1121 | netxen_release_rx_buffers(adapter); | |
1122 | netxen_free_hw_resources(adapter); | |
1123 | err_out_free_sw: | |
1124 | netxen_free_sw_resources(adapter); | |
1125 | return err; | |
1126 | } | |
1127 | ||
1128 | static void | |
1129 | netxen_nic_detach(struct netxen_adapter *adapter) | |
1130 | { | |
7042cd8f AKS |
1131 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) |
1132 | return; | |
1133 | ||
fa3ce355 NK |
1134 | netxen_remove_sysfs_entries(adapter); |
1135 | ||
9f5bc7f1 | 1136 | netxen_free_hw_resources(adapter); |
cf981ffb | 1137 | netxen_release_rx_buffers(adapter); |
be339aee | 1138 | netxen_nic_free_irq(adapter); |
232e7d68 | 1139 | netxen_napi_del(adapter); |
9f5bc7f1 DP |
1140 | netxen_free_sw_resources(adapter); |
1141 | ||
1142 | adapter->is_up = 0; | |
1143 | } | |
1144 | ||
7042cd8f AKS |
1145 | int |
1146 | netxen_nic_reset_context(struct netxen_adapter *adapter) | |
1147 | { | |
1148 | int err = 0; | |
1149 | struct net_device *netdev = adapter->netdev; | |
1150 | ||
6a581e93 DP |
1151 | if (test_and_set_bit(__NX_RESETTING, &adapter->state)) |
1152 | return -EBUSY; | |
1153 | ||
7042cd8f AKS |
1154 | if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) { |
1155 | ||
6a581e93 DP |
1156 | netif_device_detach(netdev); |
1157 | ||
7042cd8f | 1158 | if (netif_running(netdev)) |
6f771419 | 1159 | __netxen_nic_down(adapter, netdev); |
7042cd8f AKS |
1160 | |
1161 | netxen_nic_detach(adapter); | |
1162 | ||
6a581e93 DP |
1163 | if (netif_running(netdev)) { |
1164 | err = netxen_nic_attach(adapter); | |
1165 | if (!err) | |
6f771419 | 1166 | err = __netxen_nic_up(adapter, netdev); |
7042cd8f | 1167 | |
6a581e93 DP |
1168 | if (err) |
1169 | goto done; | |
1170 | } | |
1171 | ||
1172 | netif_device_attach(netdev); | |
7042cd8f | 1173 | } |
6a581e93 | 1174 | |
7042cd8f | 1175 | done: |
6a581e93 | 1176 | clear_bit(__NX_RESETTING, &adapter->state); |
7042cd8f AKS |
1177 | return err; |
1178 | } | |
1179 | ||
f17443f4 DP |
1180 | static int |
1181 | netxen_setup_netdev(struct netxen_adapter *adapter, | |
1182 | struct net_device *netdev) | |
1183 | { | |
1184 | int err = 0; | |
1185 | struct pci_dev *pdev = adapter->pdev; | |
1186 | ||
1187 | adapter->rx_csum = 1; | |
1188 | adapter->mc_enabled = 0; | |
1189 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) | |
1190 | adapter->max_mc_count = 38; | |
1191 | else | |
1192 | adapter->max_mc_count = 16; | |
1193 | ||
1194 | netdev->netdev_ops = &netxen_netdev_ops; | |
1195 | netdev->watchdog_timeo = 2*HZ; | |
1196 | ||
1197 | netxen_nic_change_mtu(netdev, netdev->mtu); | |
1198 | ||
1199 | SET_ETHTOOL_OPS(netdev, &netxen_nic_ethtool_ops); | |
1200 | ||
1201 | netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO); | |
1202 | netdev->features |= (NETIF_F_GRO); | |
1203 | netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO); | |
1204 | ||
1205 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { | |
1206 | netdev->features |= (NETIF_F_IPV6_CSUM | NETIF_F_TSO6); | |
1207 | netdev->vlan_features |= (NETIF_F_IPV6_CSUM | NETIF_F_TSO6); | |
1208 | } | |
1209 | ||
1210 | if (adapter->pci_using_dac) { | |
1211 | netdev->features |= NETIF_F_HIGHDMA; | |
1212 | netdev->vlan_features |= NETIF_F_HIGHDMA; | |
1213 | } | |
1214 | ||
028afe71 DP |
1215 | if (adapter->capabilities & NX_FW_CAPABILITY_FVLANTX) |
1216 | netdev->features |= (NETIF_F_HW_VLAN_TX); | |
1217 | ||
1bb482f8 NK |
1218 | if (adapter->capabilities & NX_FW_CAPABILITY_HW_LRO) |
1219 | netdev->features |= NETIF_F_LRO; | |
1220 | ||
f17443f4 DP |
1221 | netdev->irq = adapter->msix_entries[0].vector; |
1222 | ||
74c520da | 1223 | INIT_WORK(&adapter->tx_timeout_task, netxen_tx_timeout_task); |
f17443f4 DP |
1224 | |
1225 | if (netxen_read_mac_addr(adapter)) | |
1226 | dev_warn(&pdev->dev, "failed to read mac addr\n"); | |
1227 | ||
1228 | netif_carrier_off(netdev); | |
1229 | netif_stop_queue(netdev); | |
1230 | ||
1231 | err = register_netdev(netdev); | |
1232 | if (err) { | |
1233 | dev_err(&pdev->dev, "failed to register net device\n"); | |
1234 | return err; | |
1235 | } | |
1236 | ||
1237 | return 0; | |
1238 | } | |
1239 | ||
3d396eb1 AK |
1240 | static int __devinit |
1241 | netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) | |
1242 | { | |
1243 | struct net_device *netdev = NULL; | |
1244 | struct netxen_adapter *adapter = NULL; | |
2956640d | 1245 | int i = 0, err; |
3176ff3e | 1246 | int pci_func_id = PCI_FUNC(pdev->devfn); |
2956640d | 1247 | uint8_t revision_id; |
3d396eb1 | 1248 | |
11d89d63 | 1249 | if (pdev->revision >= NX_P3_A0 && pdev->revision < NX_P3_B1) { |
c25c0b9b | 1250 | pr_warning("%s: chip revisions between 0x%x-0x%x" |
11d89d63 | 1251 | "will not be enabled.\n", |
c25c0b9b | 1252 | module_name(THIS_MODULE), NX_P3_A0, NX_P3_B1); |
11d89d63 DP |
1253 | return -ENODEV; |
1254 | } | |
1255 | ||
3d396eb1 AK |
1256 | if ((err = pci_enable_device(pdev))) |
1257 | return err; | |
2956640d | 1258 | |
3d396eb1 AK |
1259 | if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { |
1260 | err = -ENODEV; | |
1261 | goto err_out_disable_pdev; | |
1262 | } | |
1263 | ||
1264 | if ((err = pci_request_regions(pdev, netxen_nic_driver_name))) | |
1265 | goto err_out_disable_pdev; | |
1266 | ||
e87ad553 AKS |
1267 | if (NX_IS_REVISION_P3(pdev->revision)) |
1268 | pci_enable_pcie_error_reporting(pdev); | |
1269 | ||
3d396eb1 | 1270 | pci_set_master(pdev); |
3176ff3e MT |
1271 | |
1272 | netdev = alloc_etherdev(sizeof(struct netxen_adapter)); | |
1273 | if(!netdev) { | |
f17443f4 DP |
1274 | dev_err(&pdev->dev, "failed to allocate net_device\n"); |
1275 | err = -ENOMEM; | |
3176ff3e MT |
1276 | goto err_out_free_res; |
1277 | } | |
1278 | ||
3176ff3e MT |
1279 | SET_NETDEV_DEV(netdev, &pdev->dev); |
1280 | ||
4cf1653a | 1281 | adapter = netdev_priv(netdev); |
2956640d DP |
1282 | adapter->netdev = netdev; |
1283 | adapter->pdev = pdev; | |
13ba9c77 | 1284 | adapter->ahw.pci_func = pci_func_id; |
2956640d DP |
1285 | |
1286 | revision_id = pdev->revision; | |
1287 | adapter->ahw.revision_id = revision_id; | |
1288 | ||
f03b0ebd DP |
1289 | rwlock_init(&adapter->ahw.crb_lock); |
1290 | spin_lock_init(&adapter->ahw.mem_lock); | |
1291 | ||
d8b100c5 | 1292 | spin_lock_init(&adapter->tx_clean_lock); |
5cf4d323 | 1293 | INIT_LIST_HEAD(&adapter->mac_list); |
3ce06a32 | 1294 | |
97daee83 DP |
1295 | err = netxen_setup_pci_map(adapter); |
1296 | if (err) | |
6c80b18d | 1297 | goto err_out_free_netdev; |
3d396eb1 | 1298 | |
2d1a3bbd | 1299 | /* This will be reset for mezz cards */ |
3176ff3e | 1300 | adapter->portnum = pci_func_id; |
3176ff3e | 1301 | |
f17443f4 DP |
1302 | err = netxen_nic_get_board_info(adapter); |
1303 | if (err) { | |
1304 | dev_err(&pdev->dev, "Error getting board config info.\n"); | |
dcd56fdb DP |
1305 | goto err_out_iounmap; |
1306 | } | |
6c80b18d | 1307 | |
13ba9c77 | 1308 | /* Mezz cards have PCI function 0,2,3 enabled */ |
1e2d0059 | 1309 | switch (adapter->ahw.board_type) { |
dc515f2e DP |
1310 | case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ: |
1311 | case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ: | |
1312 | if (pci_func_id >= 2) | |
13ba9c77 | 1313 | adapter->portnum = pci_func_id - 2; |
dc515f2e DP |
1314 | break; |
1315 | default: | |
1316 | break; | |
1317 | } | |
13ba9c77 | 1318 | |
6a581e93 | 1319 | err = netxen_start_firmware(adapter); |
0b72e659 | 1320 | if (err) |
8f9b3f69 | 1321 | goto err_out_decr_ref; |
f17443f4 | 1322 | |
3d396eb1 | 1323 | /* |
6c80b18d | 1324 | * See if the firmware gave us a virtual-physical port mapping. |
3d396eb1 | 1325 | */ |
dcd56fdb | 1326 | adapter->physical_port = adapter->portnum; |
4f96b988 | 1327 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { |
f98a9f69 | 1328 | i = NXRD32(adapter, CRB_V2P(adapter->portnum)); |
044fad0d DP |
1329 | if (i != 0x55555555) |
1330 | adapter->physical_port = i; | |
1331 | } | |
6c80b18d | 1332 | |
6a581e93 | 1333 | netxen_nic_clear_stats(adapter); |
2956640d | 1334 | |
97daee83 | 1335 | netxen_setup_intr(adapter); |
2956640d | 1336 | |
f17443f4 | 1337 | err = netxen_setup_netdev(adapter, netdev); |
9dc28efe | 1338 | if (err) |
2956640d | 1339 | goto err_out_disable_msi; |
6c80b18d MT |
1340 | |
1341 | pci_set_drvdata(pdev, adapter); | |
3d396eb1 | 1342 | |
6a581e93 DP |
1343 | netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY); |
1344 | ||
1e2d0059 | 1345 | switch (adapter->ahw.port_type) { |
2956640d DP |
1346 | case NETXEN_NIC_GBE: |
1347 | dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", | |
1348 | adapter->netdev->name); | |
1349 | break; | |
1350 | case NETXEN_NIC_XGBE: | |
1351 | dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", | |
1352 | adapter->netdev->name); | |
1353 | break; | |
3d396eb1 | 1354 | } |
3d396eb1 | 1355 | |
70f9cf89 DP |
1356 | netxen_create_diag_entries(adapter); |
1357 | ||
2956640d DP |
1358 | return 0; |
1359 | ||
1360 | err_out_disable_msi: | |
97daee83 | 1361 | netxen_teardown_intr(adapter); |
6c80b18d | 1362 | |
83ac51fa | 1363 | netxen_free_dummy_dma(adapter); |
3d396eb1 | 1364 | |
8f9b3f69 | 1365 | err_out_decr_ref: |
6a581e93 DP |
1366 | nx_decr_dev_ref_cnt(adapter); |
1367 | ||
2956640d | 1368 | err_out_iounmap: |
97daee83 | 1369 | netxen_cleanup_pci_map(adapter); |
cb8011ad | 1370 | |
6c80b18d MT |
1371 | err_out_free_netdev: |
1372 | free_netdev(netdev); | |
1373 | ||
1374 | err_out_free_res: | |
3d396eb1 | 1375 | pci_release_regions(pdev); |
6c80b18d MT |
1376 | |
1377 | err_out_disable_pdev: | |
2956640d | 1378 | pci_set_drvdata(pdev, NULL); |
3d396eb1 AK |
1379 | pci_disable_device(pdev); |
1380 | return err; | |
1381 | } | |
1382 | ||
1383 | static void __devexit netxen_nic_remove(struct pci_dev *pdev) | |
1384 | { | |
1385 | struct netxen_adapter *adapter; | |
3176ff3e | 1386 | struct net_device *netdev; |
3d396eb1 | 1387 | |
6c80b18d | 1388 | adapter = pci_get_drvdata(pdev); |
3d396eb1 AK |
1389 | if (adapter == NULL) |
1390 | return; | |
1391 | ||
6c80b18d MT |
1392 | netdev = adapter->netdev; |
1393 | ||
6a581e93 DP |
1394 | netxen_cancel_fw_work(adapter); |
1395 | ||
96acb6eb DP |
1396 | unregister_netdev(netdev); |
1397 | ||
e424fa9d AKS |
1398 | cancel_work_sync(&adapter->tx_timeout_task); |
1399 | ||
7042cd8f | 1400 | netxen_nic_detach(adapter); |
3d396eb1 | 1401 | |
6a581e93 DP |
1402 | nx_decr_dev_ref_cnt(adapter); |
1403 | ||
439b454e | 1404 | if (adapter->portnum == 0) |
83ac51fa | 1405 | netxen_free_dummy_dma(adapter); |
96acb6eb | 1406 | |
6a581e93 DP |
1407 | clear_bit(__NX_RESETTING, &adapter->state); |
1408 | ||
97daee83 | 1409 | netxen_teardown_intr(adapter); |
3052246c | 1410 | |
70f9cf89 DP |
1411 | netxen_remove_diag_entries(adapter); |
1412 | ||
97daee83 | 1413 | netxen_cleanup_pci_map(adapter); |
595e3fb8 | 1414 | |
f7185c71 DP |
1415 | netxen_release_firmware(adapter); |
1416 | ||
e87ad553 AKS |
1417 | if (NX_IS_REVISION_P3(pdev->revision)) |
1418 | pci_disable_pcie_error_reporting(pdev); | |
1419 | ||
595e3fb8 | 1420 | pci_release_regions(pdev); |
3052246c | 1421 | pci_disable_device(pdev); |
595e3fb8 MT |
1422 | pci_set_drvdata(pdev, NULL); |
1423 | ||
6c80b18d | 1424 | free_netdev(netdev); |
3d396eb1 | 1425 | } |
e87ad553 AKS |
1426 | |
1427 | static void netxen_nic_detach_func(struct netxen_adapter *adapter) | |
0b72e659 | 1428 | { |
0b72e659 DP |
1429 | struct net_device *netdev = adapter->netdev; |
1430 | ||
1431 | netif_device_detach(netdev); | |
1432 | ||
6a581e93 DP |
1433 | netxen_cancel_fw_work(adapter); |
1434 | ||
0b72e659 DP |
1435 | if (netif_running(netdev)) |
1436 | netxen_nic_down(adapter, netdev); | |
1437 | ||
e424fa9d AKS |
1438 | cancel_work_sync(&adapter->tx_timeout_task); |
1439 | ||
7042cd8f | 1440 | netxen_nic_detach(adapter); |
0b72e659 | 1441 | |
22b5794b AKS |
1442 | if (adapter->portnum == 0) |
1443 | netxen_free_dummy_dma(adapter); | |
1444 | ||
6a581e93 DP |
1445 | nx_decr_dev_ref_cnt(adapter); |
1446 | ||
1447 | clear_bit(__NX_RESETTING, &adapter->state); | |
22b5794b | 1448 | } |
0b72e659 | 1449 | |
e87ad553 | 1450 | static int netxen_nic_attach_func(struct pci_dev *pdev) |
0b72e659 DP |
1451 | { |
1452 | struct netxen_adapter *adapter = pci_get_drvdata(pdev); | |
1453 | struct net_device *netdev = adapter->netdev; | |
1454 | int err; | |
1455 | ||
0b72e659 DP |
1456 | err = pci_enable_device(pdev); |
1457 | if (err) | |
1458 | return err; | |
1459 | ||
bc86fcba AKS |
1460 | pci_set_power_state(pdev, PCI_D0); |
1461 | pci_set_master(pdev); | |
1462 | pci_restore_state(pdev); | |
1463 | ||
907fa120 | 1464 | adapter->ahw.crb_win = -1; |
47abe356 | 1465 | adapter->ahw.ocm_win = -1; |
0b72e659 | 1466 | |
6a581e93 | 1467 | err = netxen_start_firmware(adapter); |
0b72e659 DP |
1468 | if (err) { |
1469 | dev_err(&pdev->dev, "failed to start firmware\n"); | |
1470 | return err; | |
1471 | } | |
1472 | ||
1473 | if (netif_running(netdev)) { | |
1474 | err = netxen_nic_attach(adapter); | |
1475 | if (err) | |
6a581e93 | 1476 | goto err_out; |
0b72e659 DP |
1477 | |
1478 | err = netxen_nic_up(adapter, netdev); | |
1479 | if (err) | |
6a581e93 | 1480 | goto err_out_detach; |
0b72e659 | 1481 | |
d0725e4d | 1482 | netxen_config_indev_addr(netdev, NETDEV_UP); |
0b72e659 DP |
1483 | } |
1484 | ||
bc86fcba | 1485 | netif_device_attach(netdev); |
6a581e93 | 1486 | netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY); |
07653aa3 | 1487 | return 0; |
6a581e93 DP |
1488 | |
1489 | err_out_detach: | |
1490 | netxen_nic_detach(adapter); | |
1491 | err_out: | |
1492 | nx_decr_dev_ref_cnt(adapter); | |
1493 | return err; | |
0b72e659 | 1494 | } |
e87ad553 AKS |
1495 | |
1496 | static pci_ers_result_t netxen_io_error_detected(struct pci_dev *pdev, | |
1497 | pci_channel_state_t state) | |
1498 | { | |
1499 | struct netxen_adapter *adapter = pci_get_drvdata(pdev); | |
1500 | ||
1501 | if (state == pci_channel_io_perm_failure) | |
1502 | return PCI_ERS_RESULT_DISCONNECT; | |
1503 | ||
1504 | if (nx_dev_request_aer(adapter)) | |
1505 | return PCI_ERS_RESULT_RECOVERED; | |
1506 | ||
1507 | netxen_nic_detach_func(adapter); | |
1508 | ||
1509 | pci_disable_device(pdev); | |
1510 | ||
1511 | return PCI_ERS_RESULT_NEED_RESET; | |
1512 | } | |
1513 | ||
1514 | static pci_ers_result_t netxen_io_slot_reset(struct pci_dev *pdev) | |
1515 | { | |
1516 | int err = 0; | |
1517 | ||
1518 | err = netxen_nic_attach_func(pdev); | |
1519 | ||
1520 | return err ? PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_RECOVERED; | |
1521 | } | |
1522 | ||
1523 | static void netxen_io_resume(struct pci_dev *pdev) | |
1524 | { | |
1525 | pci_cleanup_aer_uncorrect_error_status(pdev); | |
1526 | } | |
1527 | ||
1528 | static void netxen_nic_shutdown(struct pci_dev *pdev) | |
1529 | { | |
1530 | struct netxen_adapter *adapter = pci_get_drvdata(pdev); | |
1531 | ||
1532 | netxen_nic_detach_func(adapter); | |
1533 | ||
1534 | if (pci_save_state(pdev)) | |
1535 | return; | |
1536 | ||
1537 | if (netxen_nic_wol_supported(adapter)) { | |
1538 | pci_enable_wake(pdev, PCI_D3cold, 1); | |
1539 | pci_enable_wake(pdev, PCI_D3hot, 1); | |
1540 | } | |
1541 | ||
1542 | pci_disable_device(pdev); | |
1543 | } | |
1544 | ||
1545 | #ifdef CONFIG_PM | |
1546 | static int | |
1547 | netxen_nic_suspend(struct pci_dev *pdev, pm_message_t state) | |
1548 | { | |
1549 | struct netxen_adapter *adapter = pci_get_drvdata(pdev); | |
1550 | int retval; | |
1551 | ||
1552 | netxen_nic_detach_func(adapter); | |
1553 | ||
1554 | retval = pci_save_state(pdev); | |
1555 | if (retval) | |
1556 | return retval; | |
1557 | ||
1558 | if (netxen_nic_wol_supported(adapter)) { | |
1559 | pci_enable_wake(pdev, PCI_D3cold, 1); | |
1560 | pci_enable_wake(pdev, PCI_D3hot, 1); | |
1561 | } | |
1562 | ||
1563 | pci_disable_device(pdev); | |
1564 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); | |
1565 | ||
1566 | return 0; | |
1567 | } | |
1568 | ||
1569 | static int | |
1570 | netxen_nic_resume(struct pci_dev *pdev) | |
1571 | { | |
1572 | return netxen_nic_attach_func(pdev); | |
1573 | } | |
01542cd1 | 1574 | #endif |
0b72e659 | 1575 | |
3d396eb1 AK |
1576 | static int netxen_nic_open(struct net_device *netdev) |
1577 | { | |
4cf1653a | 1578 | struct netxen_adapter *adapter = netdev_priv(netdev); |
3d396eb1 | 1579 | int err = 0; |
3d396eb1 | 1580 | |
dcd56fdb DP |
1581 | if (adapter->driver_mismatch) |
1582 | return -EIO; | |
1583 | ||
7042cd8f AKS |
1584 | err = netxen_nic_attach(adapter); |
1585 | if (err) | |
1586 | return err; | |
2956640d | 1587 | |
6f771419 | 1588 | err = __netxen_nic_up(adapter, netdev); |
9f5bc7f1 DP |
1589 | if (err) |
1590 | goto err_out; | |
05aaa02d | 1591 | |
dcd56fdb | 1592 | netif_start_queue(netdev); |
3d396eb1 AK |
1593 | |
1594 | return 0; | |
2956640d | 1595 | |
9f5bc7f1 DP |
1596 | err_out: |
1597 | netxen_nic_detach(adapter); | |
2956640d | 1598 | return err; |
3d396eb1 AK |
1599 | } |
1600 | ||
1601 | /* | |
1602 | * netxen_nic_close - Disables a network interface entry point | |
1603 | */ | |
1604 | static int netxen_nic_close(struct net_device *netdev) | |
1605 | { | |
3176ff3e | 1606 | struct netxen_adapter *adapter = netdev_priv(netdev); |
3d396eb1 | 1607 | |
6f771419 | 1608 | __netxen_nic_down(adapter, netdev); |
3d396eb1 AK |
1609 | return 0; |
1610 | } | |
1611 | ||
1bcfd790 DP |
1612 | static void |
1613 | netxen_tso_check(struct net_device *netdev, | |
1614 | struct nx_host_tx_ring *tx_ring, | |
1615 | struct cmd_desc_type0 *first_desc, | |
1616 | struct sk_buff *skb) | |
cd1f8160 | 1617 | { |
391587c3 | 1618 | u8 opcode = TX_ETHER_PKT; |
cdff1036 | 1619 | __be16 protocol = skb->protocol; |
028afe71 | 1620 | u16 flags = 0, vid = 0; |
1bcfd790 | 1621 | u32 producer; |
028afe71 | 1622 | int copied, offset, copy_len, hdr_len = 0, tso = 0, vlan_oob = 0; |
1bcfd790 | 1623 | struct cmd_desc_type0 *hwdesc; |
028afe71 | 1624 | struct vlan_ethhdr *vh; |
cdff1036 | 1625 | |
09640e63 | 1626 | if (protocol == cpu_to_be16(ETH_P_8021Q)) { |
028afe71 DP |
1627 | |
1628 | vh = (struct vlan_ethhdr *)skb->data; | |
cdff1036 DP |
1629 | protocol = vh->h_vlan_encapsulated_proto; |
1630 | flags = FLAGS_VLAN_TAGGED; | |
028afe71 DP |
1631 | |
1632 | } else if (vlan_tx_tag_present(skb)) { | |
1633 | ||
1634 | flags = FLAGS_VLAN_OOB; | |
1635 | vid = vlan_tx_tag_get(skb); | |
1636 | netxen_set_tx_vlan_tci(first_desc, vid); | |
1637 | vlan_oob = 1; | |
cdff1036 | 1638 | } |
cd1f8160 | 1639 | |
391587c3 DP |
1640 | if ((netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) && |
1641 | skb_shinfo(skb)->gso_size > 0) { | |
1642 | ||
1bcfd790 DP |
1643 | hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); |
1644 | ||
1645 | first_desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size); | |
1646 | first_desc->total_hdr_length = hdr_len; | |
028afe71 DP |
1647 | if (vlan_oob) { |
1648 | first_desc->total_hdr_length += VLAN_HLEN; | |
1649 | first_desc->tcp_hdr_offset = VLAN_HLEN; | |
1650 | first_desc->ip_hdr_offset = VLAN_HLEN; | |
1651 | /* Only in case of TSO on vlan device */ | |
1652 | flags |= FLAGS_VLAN_TAGGED; | |
1653 | } | |
391587c3 | 1654 | |
09640e63 | 1655 | opcode = (protocol == cpu_to_be16(ETH_P_IPV6)) ? |
391587c3 | 1656 | TX_TCP_LSO6 : TX_TCP_LSO; |
1bcfd790 | 1657 | tso = 1; |
cd1f8160 DP |
1658 | |
1659 | } else if (skb->ip_summed == CHECKSUM_PARTIAL) { | |
391587c3 DP |
1660 | u8 l4proto; |
1661 | ||
09640e63 | 1662 | if (protocol == cpu_to_be16(ETH_P_IP)) { |
391587c3 DP |
1663 | l4proto = ip_hdr(skb)->protocol; |
1664 | ||
1665 | if (l4proto == IPPROTO_TCP) | |
1666 | opcode = TX_TCP_PKT; | |
1667 | else if(l4proto == IPPROTO_UDP) | |
1668 | opcode = TX_UDP_PKT; | |
09640e63 | 1669 | } else if (protocol == cpu_to_be16(ETH_P_IPV6)) { |
391587c3 DP |
1670 | l4proto = ipv6_hdr(skb)->nexthdr; |
1671 | ||
1672 | if (l4proto == IPPROTO_TCP) | |
1673 | opcode = TX_TCPV6_PKT; | |
1674 | else if(l4proto == IPPROTO_UDP) | |
1675 | opcode = TX_UDPV6_PKT; | |
1676 | } | |
cd1f8160 | 1677 | } |
028afe71 DP |
1678 | |
1679 | first_desc->tcp_hdr_offset += skb_transport_offset(skb); | |
1680 | first_desc->ip_hdr_offset += skb_network_offset(skb); | |
1bcfd790 DP |
1681 | netxen_set_tx_flags_opcode(first_desc, flags, opcode); |
1682 | ||
1683 | if (!tso) | |
1684 | return; | |
1685 | ||
1686 | /* For LSO, we need to copy the MAC/IP/TCP headers into | |
1687 | * the descriptor ring | |
1688 | */ | |
1689 | producer = tx_ring->producer; | |
1690 | copied = 0; | |
1691 | offset = 2; | |
1692 | ||
028afe71 DP |
1693 | if (vlan_oob) { |
1694 | /* Create a TSO vlan header template for firmware */ | |
1695 | ||
1696 | hwdesc = &tx_ring->desc_head[producer]; | |
1697 | tx_ring->cmd_buf_arr[producer].skb = NULL; | |
1698 | ||
1699 | copy_len = min((int)sizeof(struct cmd_desc_type0) - offset, | |
1700 | hdr_len + VLAN_HLEN); | |
1701 | ||
1702 | vh = (struct vlan_ethhdr *)((char *)hwdesc + 2); | |
1703 | skb_copy_from_linear_data(skb, vh, 12); | |
1704 | vh->h_vlan_proto = htons(ETH_P_8021Q); | |
1705 | vh->h_vlan_TCI = htons(vid); | |
1706 | skb_copy_from_linear_data_offset(skb, 12, | |
1707 | (char *)vh + 16, copy_len - 16); | |
1708 | ||
545eb370 | 1709 | copied = copy_len - VLAN_HLEN; |
028afe71 DP |
1710 | offset = 0; |
1711 | ||
1712 | producer = get_next_index(producer, tx_ring->num_desc); | |
1713 | } | |
1714 | ||
1bcfd790 DP |
1715 | while (copied < hdr_len) { |
1716 | ||
1717 | copy_len = min((int)sizeof(struct cmd_desc_type0) - offset, | |
1718 | (hdr_len - copied)); | |
1719 | ||
1720 | hwdesc = &tx_ring->desc_head[producer]; | |
1721 | tx_ring->cmd_buf_arr[producer].skb = NULL; | |
1722 | ||
1723 | skb_copy_from_linear_data_offset(skb, copied, | |
1724 | (char *)hwdesc + offset, copy_len); | |
1725 | ||
1726 | copied += copy_len; | |
1727 | offset = 0; | |
1728 | ||
1729 | producer = get_next_index(producer, tx_ring->num_desc); | |
1730 | } | |
1731 | ||
1732 | tx_ring->producer = producer; | |
1733 | barrier(); | |
cd1f8160 DP |
1734 | } |
1735 | ||
ce644ed4 DP |
1736 | static int |
1737 | netxen_map_tx_skb(struct pci_dev *pdev, | |
1738 | struct sk_buff *skb, struct netxen_cmd_buffer *pbuf) | |
6f703406 | 1739 | { |
ce644ed4 DP |
1740 | struct netxen_skb_frag *nf; |
1741 | struct skb_frag_struct *frag; | |
1742 | int i, nr_frags; | |
1743 | dma_addr_t map; | |
1744 | ||
1745 | nr_frags = skb_shinfo(skb)->nr_frags; | |
1746 | nf = &pbuf->frag_array[0]; | |
1747 | ||
1748 | map = pci_map_single(pdev, skb->data, | |
1749 | skb_headlen(skb), PCI_DMA_TODEVICE); | |
1750 | if (pci_dma_mapping_error(pdev, map)) | |
1751 | goto out_err; | |
6f703406 | 1752 | |
ce644ed4 DP |
1753 | nf->dma = map; |
1754 | nf->length = skb_headlen(skb); | |
1755 | ||
1756 | for (i = 0; i < nr_frags; i++) { | |
1757 | frag = &skb_shinfo(skb)->frags[i]; | |
1758 | nf = &pbuf->frag_array[i+1]; | |
1759 | ||
1760 | map = pci_map_page(pdev, frag->page, frag->page_offset, | |
1761 | frag->size, PCI_DMA_TODEVICE); | |
1762 | if (pci_dma_mapping_error(pdev, map)) | |
1763 | goto unwind; | |
1764 | ||
1765 | nf->dma = map; | |
1766 | nf->length = frag->size; | |
1767 | } | |
1768 | ||
1769 | return 0; | |
6f703406 | 1770 | |
ce644ed4 | 1771 | unwind: |
cf503e8f DP |
1772 | while (--i >= 0) { |
1773 | nf = &pbuf->frag_array[i+1]; | |
ce644ed4 | 1774 | pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE); |
6f703406 | 1775 | } |
ce644ed4 DP |
1776 | |
1777 | nf = &pbuf->frag_array[0]; | |
1778 | pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE); | |
1779 | ||
1780 | out_err: | |
1781 | return -ENOMEM; | |
6f703406 DP |
1782 | } |
1783 | ||
d32cc3d2 DP |
1784 | static inline void |
1785 | netxen_clear_cmddesc(u64 *desc) | |
1786 | { | |
1bcfd790 DP |
1787 | desc[0] = 0ULL; |
1788 | desc[2] = 0ULL; | |
d32cc3d2 DP |
1789 | } |
1790 | ||
61357325 | 1791 | static netdev_tx_t |
d32cc3d2 | 1792 | netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) |
3d396eb1 | 1793 | { |
3176ff3e | 1794 | struct netxen_adapter *adapter = netdev_priv(netdev); |
4ea528a1 | 1795 | struct nx_host_tx_ring *tx_ring = adapter->tx_ring; |
391587c3 | 1796 | struct netxen_cmd_buffer *pbuf; |
3d396eb1 | 1797 | struct netxen_skb_frag *buffrag; |
1bcfd790 DP |
1798 | struct cmd_desc_type0 *hwdesc, *first_desc; |
1799 | struct pci_dev *pdev; | |
391587c3 | 1800 | int i, k; |
3d396eb1 | 1801 | |
cb2107be | 1802 | u32 producer; |
ce644ed4 | 1803 | int frag_count, no_of_desc; |
d877f1e3 | 1804 | u32 num_txd = tx_ring->num_desc; |
3d396eb1 | 1805 | |
3d396eb1 AK |
1806 | frag_count = skb_shinfo(skb)->nr_frags + 1; |
1807 | ||
d877f1e3 | 1808 | /* 4 fragments per cmd des */ |
3d396eb1 | 1809 | no_of_desc = (frag_count + 3) >> 2; |
53a01e00 | 1810 | |
fa9859ef | 1811 | if (unlikely(no_of_desc + 2 > netxen_tx_avail(tx_ring))) { |
ba53e6b4 | 1812 | netif_stop_queue(netdev); |
ba53e6b4 | 1813 | return NETDEV_TX_BUSY; |
53a01e00 | 1814 | } |
3d396eb1 | 1815 | |
cb2107be | 1816 | producer = tx_ring->producer; |
ce644ed4 | 1817 | pbuf = &tx_ring->cmd_buf_arr[producer]; |
cb2107be | 1818 | |
1bcfd790 | 1819 | pdev = adapter->pdev; |
391587c3 | 1820 | |
ce644ed4 | 1821 | if (netxen_map_tx_skb(pdev, skb, pbuf)) |
1bcfd790 | 1822 | goto drop_packet; |
391587c3 | 1823 | |
3d396eb1 | 1824 | pbuf->skb = skb; |
3d396eb1 | 1825 | pbuf->frag_count = frag_count; |
6f703406 | 1826 | |
1bcfd790 DP |
1827 | first_desc = hwdesc = &tx_ring->desc_head[producer]; |
1828 | netxen_clear_cmddesc((u64 *)hwdesc); | |
3d396eb1 | 1829 | |
ce644ed4 DP |
1830 | netxen_set_tx_frags_len(first_desc, frag_count, skb->len); |
1831 | netxen_set_tx_port(first_desc, adapter->portnum); | |
3d396eb1 | 1832 | |
ce644ed4 | 1833 | for (i = 0; i < frag_count; i++) { |
3d396eb1 | 1834 | |
ce644ed4 DP |
1835 | k = i % 4; |
1836 | ||
1837 | if ((k == 0) && (i > 0)) { | |
1838 | /* move to next desc.*/ | |
ba53e6b4 | 1839 | producer = get_next_index(producer, num_txd); |
d877f1e3 | 1840 | hwdesc = &tx_ring->desc_head[producer]; |
d32cc3d2 | 1841 | netxen_clear_cmddesc((u64 *)hwdesc); |
ce644ed4 | 1842 | tx_ring->cmd_buf_arr[producer].skb = NULL; |
6f703406 | 1843 | } |
3d396eb1 | 1844 | |
ce644ed4 | 1845 | buffrag = &pbuf->frag_array[i]; |
3d396eb1 | 1846 | |
ce644ed4 | 1847 | hwdesc->buffer_length[k] = cpu_to_le16(buffrag->length); |
3d396eb1 AK |
1848 | switch (k) { |
1849 | case 0: | |
ce644ed4 | 1850 | hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma); |
3d396eb1 AK |
1851 | break; |
1852 | case 1: | |
ce644ed4 | 1853 | hwdesc->addr_buffer2 = cpu_to_le64(buffrag->dma); |
3d396eb1 AK |
1854 | break; |
1855 | case 2: | |
ce644ed4 | 1856 | hwdesc->addr_buffer3 = cpu_to_le64(buffrag->dma); |
3d396eb1 AK |
1857 | break; |
1858 | case 3: | |
ce644ed4 | 1859 | hwdesc->addr_buffer4 = cpu_to_le64(buffrag->dma); |
3d396eb1 AK |
1860 | break; |
1861 | } | |
3d396eb1 | 1862 | } |
ce644ed4 | 1863 | |
1bcfd790 | 1864 | tx_ring->producer = get_next_index(producer, num_txd); |
3d396eb1 | 1865 | |
1bcfd790 | 1866 | netxen_tso_check(netdev, tx_ring, first_desc, skb); |
6c80b18d | 1867 | |
cb2107be | 1868 | netxen_nic_update_cmd_producer(adapter, tx_ring); |
3d396eb1 | 1869 | |
1bcfd790 | 1870 | adapter->stats.txbytes += skb->len; |
ba53e6b4 | 1871 | adapter->stats.xmitcalled++; |
3d396eb1 | 1872 | |
3d396eb1 | 1873 | return NETDEV_TX_OK; |
6f703406 DP |
1874 | |
1875 | drop_packet: | |
1876 | adapter->stats.txdropped++; | |
1877 | dev_kfree_skb_any(skb); | |
1878 | return NETDEV_TX_OK; | |
3d396eb1 AK |
1879 | } |
1880 | ||
a97342f9 DP |
1881 | static int netxen_nic_check_temp(struct netxen_adapter *adapter) |
1882 | { | |
1883 | struct net_device *netdev = adapter->netdev; | |
1884 | uint32_t temp, temp_state, temp_val; | |
1885 | int rv = 0; | |
1886 | ||
f98a9f69 | 1887 | temp = NXRD32(adapter, CRB_TEMP_STATE); |
a97342f9 DP |
1888 | |
1889 | temp_state = nx_get_temp_state(temp); | |
1890 | temp_val = nx_get_temp_val(temp); | |
1891 | ||
1892 | if (temp_state == NX_TEMP_PANIC) { | |
1893 | printk(KERN_ALERT | |
1894 | "%s: Device temperature %d degrees C exceeds" | |
1895 | " maximum allowed. Hardware has been shut down.\n", | |
e4135c2d | 1896 | netdev->name, temp_val); |
a97342f9 DP |
1897 | rv = 1; |
1898 | } else if (temp_state == NX_TEMP_WARN) { | |
1899 | if (adapter->temp == NX_TEMP_NORMAL) { | |
1900 | printk(KERN_ALERT | |
1901 | "%s: Device temperature %d degrees C " | |
1902 | "exceeds operating range." | |
1903 | " Immediate action needed.\n", | |
e4135c2d | 1904 | netdev->name, temp_val); |
a97342f9 DP |
1905 | } |
1906 | } else { | |
1907 | if (adapter->temp == NX_TEMP_WARN) { | |
1908 | printk(KERN_INFO | |
1909 | "%s: Device temperature is now %d degrees C" | |
e4135c2d | 1910 | " in normal range.\n", netdev->name, |
a97342f9 DP |
1911 | temp_val); |
1912 | } | |
1913 | } | |
1914 | adapter->temp = temp_state; | |
1915 | return rv; | |
1916 | } | |
1917 | ||
3bf26ce3 | 1918 | void netxen_advert_link_change(struct netxen_adapter *adapter, int linkup) |
a97342f9 DP |
1919 | { |
1920 | struct net_device *netdev = adapter->netdev; | |
a97342f9 DP |
1921 | |
1922 | if (adapter->ahw.linkup && !linkup) { | |
1923 | printk(KERN_INFO "%s: %s NIC Link is down\n", | |
1924 | netxen_nic_driver_name, netdev->name); | |
1925 | adapter->ahw.linkup = 0; | |
1926 | if (netif_running(netdev)) { | |
1927 | netif_carrier_off(netdev); | |
1928 | netif_stop_queue(netdev); | |
1929 | } | |
e424fa9d | 1930 | adapter->link_changed = !adapter->has_link_events; |
a97342f9 DP |
1931 | } else if (!adapter->ahw.linkup && linkup) { |
1932 | printk(KERN_INFO "%s: %s NIC Link is up\n", | |
1933 | netxen_nic_driver_name, netdev->name); | |
1934 | adapter->ahw.linkup = 1; | |
1935 | if (netif_running(netdev)) { | |
1936 | netif_carrier_on(netdev); | |
1937 | netif_wake_queue(netdev); | |
1938 | } | |
e424fa9d | 1939 | adapter->link_changed = !adapter->has_link_events; |
a97342f9 DP |
1940 | } |
1941 | } | |
1942 | ||
3bf26ce3 DP |
1943 | static void netxen_nic_handle_phy_intr(struct netxen_adapter *adapter) |
1944 | { | |
1945 | u32 val, port, linkup; | |
1946 | ||
1947 | port = adapter->physical_port; | |
1948 | ||
1949 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { | |
f98a9f69 | 1950 | val = NXRD32(adapter, CRB_XG_STATE_P3); |
3bf26ce3 DP |
1951 | val = XG_LINK_STATE_P3(adapter->ahw.pci_func, val); |
1952 | linkup = (val == XG_LINK_UP_P3); | |
1953 | } else { | |
f98a9f69 | 1954 | val = NXRD32(adapter, CRB_XG_STATE); |
3bf26ce3 DP |
1955 | if (adapter->ahw.port_type == NETXEN_NIC_GBE) |
1956 | linkup = (val >> port) & 1; | |
1957 | else { | |
1958 | val = (val >> port*8) & 0xff; | |
1959 | linkup = (val == XG_LINK_UP); | |
1960 | } | |
1961 | } | |
1962 | ||
1963 | netxen_advert_link_change(adapter, linkup); | |
1964 | } | |
1965 | ||
3d396eb1 AK |
1966 | static void netxen_tx_timeout(struct net_device *netdev) |
1967 | { | |
e424fa9d | 1968 | struct netxen_adapter *adapter = netdev_priv(netdev); |
f17443f4 | 1969 | |
6a581e93 DP |
1970 | if (test_bit(__NX_RESETTING, &adapter->state)) |
1971 | return; | |
1972 | ||
f17443f4 | 1973 | dev_err(&netdev->dev, "transmit timeout, resetting.\n"); |
e424fa9d | 1974 | schedule_work(&adapter->tx_timeout_task); |
3d396eb1 AK |
1975 | } |
1976 | ||
74c520da | 1977 | static void netxen_tx_timeout_task(struct work_struct *work) |
3d396eb1 | 1978 | { |
4790654c | 1979 | struct netxen_adapter *adapter = |
3176ff3e | 1980 | container_of(work, struct netxen_adapter, tx_timeout_task); |
3d396eb1 | 1981 | |
b2af9cb0 DP |
1982 | if (!netif_running(adapter->netdev)) |
1983 | return; | |
1984 | ||
74c520da | 1985 | if (test_and_set_bit(__NX_RESETTING, &adapter->state)) |
6a581e93 DP |
1986 | return; |
1987 | ||
74c520da AKS |
1988 | if (++adapter->tx_timeo_cnt >= NX_MAX_TX_TIMEOUTS) |
1989 | goto request_reset; | |
1990 | ||
1991 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { | |
1992 | /* try to scrub interrupt */ | |
1993 | netxen_napi_disable(adapter); | |
ba53e6b4 | 1994 | |
74c520da | 1995 | adapter->netdev->trans_start = jiffies; |
ba53e6b4 | 1996 | |
74c520da AKS |
1997 | netxen_napi_enable(adapter); |
1998 | ||
1999 | netif_wake_queue(adapter->netdev); | |
2000 | ||
a598ae17 | 2001 | clear_bit(__NX_RESETTING, &adapter->state); |
74c520da AKS |
2002 | |
2003 | } else { | |
a598ae17 | 2004 | clear_bit(__NX_RESETTING, &adapter->state); |
74c520da AKS |
2005 | if (!netxen_nic_reset_context(adapter)) { |
2006 | adapter->netdev->trans_start = jiffies; | |
a598ae17 | 2007 | return; |
74c520da AKS |
2008 | } |
2009 | ||
2010 | /* context reset failed, fall through for fw reset */ | |
2011 | } | |
2012 | ||
2013 | request_reset: | |
2014 | adapter->need_fw_reset = 1; | |
ff8a306d | 2015 | clear_bit(__NX_RESETTING, &adapter->state); |
3d396eb1 AK |
2016 | } |
2017 | ||
a97342f9 DP |
2018 | struct net_device_stats *netxen_nic_get_stats(struct net_device *netdev) |
2019 | { | |
2020 | struct netxen_adapter *adapter = netdev_priv(netdev); | |
5a4d6311 | 2021 | struct net_device_stats *stats = &netdev->stats; |
a97342f9 DP |
2022 | |
2023 | memset(stats, 0, sizeof(*stats)); | |
2024 | ||
1bb482f8 | 2025 | stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; |
e98e3350 | 2026 | stats->tx_packets = adapter->stats.xmitfinished; |
a97342f9 | 2027 | stats->rx_bytes = adapter->stats.rxbytes; |
a97342f9 | 2028 | stats->tx_bytes = adapter->stats.txbytes; |
a97342f9 | 2029 | stats->rx_dropped = adapter->stats.rxdropped; |
a97342f9 DP |
2030 | stats->tx_dropped = adapter->stats.txdropped; |
2031 | ||
2032 | return stats; | |
2033 | } | |
2034 | ||
e4c93c81 | 2035 | static irqreturn_t netxen_intr(int irq, void *data) |
3d396eb1 | 2036 | { |
d8b100c5 DP |
2037 | struct nx_host_sds_ring *sds_ring = data; |
2038 | struct netxen_adapter *adapter = sds_ring->adapter; | |
d71e1be8 DP |
2039 | u32 status = 0; |
2040 | ||
195c5f98 | 2041 | status = readl(adapter->isr_int_vec); |
d71e1be8 | 2042 | |
195c5f98 | 2043 | if (!(status & adapter->int_vec_bit)) |
05aaa02d | 2044 | return IRQ_NONE; |
e01872af | 2045 | |
195c5f98 | 2046 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { |
d71e1be8 | 2047 | /* check interrupt state machine, to be sure */ |
195c5f98 | 2048 | status = readl(adapter->crb_int_state_reg); |
d71e1be8 DP |
2049 | if (!ISR_LEGACY_INT_TRIGGERED(status)) |
2050 | return IRQ_NONE; | |
2051 | ||
092bc571 DP |
2052 | } else { |
2053 | unsigned long our_int = 0; | |
d71e1be8 | 2054 | |
195c5f98 | 2055 | our_int = readl(adapter->crb_int_state_reg); |
092bc571 | 2056 | |
d71e1be8 | 2057 | /* not our interrupt */ |
092bc571 | 2058 | if (!test_and_clear_bit((7 + adapter->portnum), &our_int)) |
d71e1be8 DP |
2059 | return IRQ_NONE; |
2060 | ||
092bc571 | 2061 | /* claim interrupt */ |
195c5f98 | 2062 | writel((our_int & 0xffffffff), adapter->crb_int_state_reg); |
e01872af | 2063 | |
195c5f98 | 2064 | /* clear interrupt */ |
d8b100c5 | 2065 | netxen_nic_disable_int(sds_ring); |
195c5f98 | 2066 | } |
092bc571 | 2067 | |
195c5f98 | 2068 | writel(0xffffffff, adapter->tgt_status_reg); |
092bc571 | 2069 | /* read twice to ensure write is flushed */ |
195c5f98 AKS |
2070 | readl(adapter->isr_int_vec); |
2071 | readl(adapter->isr_int_vec); | |
092bc571 | 2072 | |
d8b100c5 | 2073 | napi_schedule(&sds_ring->napi); |
3d396eb1 AK |
2074 | |
2075 | return IRQ_HANDLED; | |
2076 | } | |
2077 | ||
e4c93c81 | 2078 | static irqreturn_t netxen_msi_intr(int irq, void *data) |
05aaa02d | 2079 | { |
d8b100c5 DP |
2080 | struct nx_host_sds_ring *sds_ring = data; |
2081 | struct netxen_adapter *adapter = sds_ring->adapter; | |
05aaa02d | 2082 | |
092bc571 | 2083 | /* clear interrupt */ |
195c5f98 | 2084 | writel(0xffffffff, adapter->tgt_status_reg); |
092bc571 | 2085 | |
d8b100c5 | 2086 | napi_schedule(&sds_ring->napi); |
05aaa02d DP |
2087 | return IRQ_HANDLED; |
2088 | } | |
2089 | ||
b3df68f8 DP |
2090 | static irqreturn_t netxen_msix_intr(int irq, void *data) |
2091 | { | |
d8b100c5 | 2092 | struct nx_host_sds_ring *sds_ring = data; |
b3df68f8 | 2093 | |
d8b100c5 | 2094 | napi_schedule(&sds_ring->napi); |
b3df68f8 DP |
2095 | return IRQ_HANDLED; |
2096 | } | |
2097 | ||
bea3348e | 2098 | static int netxen_nic_poll(struct napi_struct *napi, int budget) |
3d396eb1 | 2099 | { |
d8b100c5 DP |
2100 | struct nx_host_sds_ring *sds_ring = |
2101 | container_of(napi, struct nx_host_sds_ring, napi); | |
2102 | ||
2103 | struct netxen_adapter *adapter = sds_ring->adapter; | |
2104 | ||
05aaa02d | 2105 | int tx_complete; |
bea3348e | 2106 | int work_done; |
3d396eb1 | 2107 | |
05aaa02d | 2108 | tx_complete = netxen_process_cmd_ring(adapter); |
3d396eb1 | 2109 | |
d8b100c5 | 2110 | work_done = netxen_process_rcv_ring(sds_ring, budget); |
3d396eb1 | 2111 | |
05aaa02d | 2112 | if ((work_done < budget) && tx_complete) { |
d8b100c5 | 2113 | napi_complete(&sds_ring->napi); |
f2251f66 | 2114 | if (test_bit(__NX_DEV_UP, &adapter->state)) |
b2af9cb0 | 2115 | netxen_nic_enable_int(sds_ring); |
3d396eb1 AK |
2116 | } |
2117 | ||
bea3348e | 2118 | return work_done; |
3d396eb1 AK |
2119 | } |
2120 | ||
2121 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
2122 | static void netxen_nic_poll_controller(struct net_device *netdev) | |
2123 | { | |
3176ff3e | 2124 | struct netxen_adapter *adapter = netdev_priv(netdev); |
3d396eb1 | 2125 | disable_irq(adapter->irq); |
1494a814 | 2126 | netxen_intr(adapter->irq, adapter); |
3d396eb1 AK |
2127 | enable_irq(adapter->irq); |
2128 | } | |
2129 | #endif | |
3d396eb1 | 2130 | |
6a581e93 DP |
2131 | static int |
2132 | nx_incr_dev_ref_cnt(struct netxen_adapter *adapter) | |
2133 | { | |
2134 | int count; | |
2135 | if (netxen_api_lock(adapter)) | |
2136 | return -EIO; | |
2137 | ||
2138 | count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT); | |
2139 | ||
2140 | NXWR32(adapter, NX_CRB_DEV_REF_COUNT, ++count); | |
2141 | ||
2142 | netxen_api_unlock(adapter); | |
2143 | return count; | |
2144 | } | |
2145 | ||
2146 | static int | |
2147 | nx_decr_dev_ref_cnt(struct netxen_adapter *adapter) | |
2148 | { | |
2149 | int count; | |
2150 | if (netxen_api_lock(adapter)) | |
2151 | return -EIO; | |
2152 | ||
2153 | count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT); | |
2154 | WARN_ON(count == 0); | |
2155 | ||
2156 | NXWR32(adapter, NX_CRB_DEV_REF_COUNT, --count); | |
2157 | ||
2158 | if (count == 0) | |
2159 | NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_COLD); | |
2160 | ||
2161 | netxen_api_unlock(adapter); | |
2162 | return count; | |
2163 | } | |
2164 | ||
e87ad553 AKS |
2165 | static int |
2166 | nx_dev_request_aer(struct netxen_adapter *adapter) | |
2167 | { | |
2168 | u32 state; | |
2169 | int ret = -EINVAL; | |
2170 | ||
2171 | if (netxen_api_lock(adapter)) | |
2172 | return ret; | |
2173 | ||
2174 | state = NXRD32(adapter, NX_CRB_DEV_STATE); | |
2175 | ||
2176 | if (state == NX_DEV_NEED_AER) | |
2177 | ret = 0; | |
2178 | else if (state == NX_DEV_READY) { | |
2179 | NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_NEED_AER); | |
2180 | ret = 0; | |
2181 | } | |
2182 | ||
2183 | netxen_api_unlock(adapter); | |
2184 | return ret; | |
2185 | } | |
2186 | ||
2187 | static int | |
74c520da AKS |
2188 | nx_dev_request_reset(struct netxen_adapter *adapter) |
2189 | { | |
2190 | u32 state; | |
e87ad553 | 2191 | int ret = -EINVAL; |
74c520da AKS |
2192 | |
2193 | if (netxen_api_lock(adapter)) | |
e87ad553 | 2194 | return ret; |
74c520da AKS |
2195 | |
2196 | state = NXRD32(adapter, NX_CRB_DEV_STATE); | |
2197 | ||
e87ad553 AKS |
2198 | if (state == NX_DEV_NEED_RESET) |
2199 | ret = 0; | |
2200 | else if (state != NX_DEV_INITALIZING && state != NX_DEV_NEED_AER) { | |
74c520da | 2201 | NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_NEED_RESET); |
e87ad553 AKS |
2202 | ret = 0; |
2203 | } | |
74c520da AKS |
2204 | |
2205 | netxen_api_unlock(adapter); | |
e87ad553 AKS |
2206 | |
2207 | return ret; | |
74c520da AKS |
2208 | } |
2209 | ||
6a581e93 DP |
2210 | static int |
2211 | netxen_can_start_firmware(struct netxen_adapter *adapter) | |
2212 | { | |
2213 | int count; | |
2214 | int can_start = 0; | |
2215 | ||
2216 | if (netxen_api_lock(adapter)) | |
2217 | return 0; | |
2218 | ||
2219 | count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT); | |
2220 | ||
2221 | if ((count < 0) || (count >= NX_MAX_PCI_FUNC)) | |
2222 | count = 0; | |
2223 | ||
2224 | if (count == 0) { | |
2225 | can_start = 1; | |
2226 | NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_INITALIZING); | |
2227 | } | |
2228 | ||
2229 | NXWR32(adapter, NX_CRB_DEV_REF_COUNT, ++count); | |
2230 | ||
2231 | netxen_api_unlock(adapter); | |
2232 | ||
2233 | return can_start; | |
2234 | } | |
2235 | ||
2236 | static void | |
2237 | netxen_schedule_work(struct netxen_adapter *adapter, | |
2238 | work_func_t func, int delay) | |
2239 | { | |
2240 | INIT_DELAYED_WORK(&adapter->fw_work, func); | |
2241 | schedule_delayed_work(&adapter->fw_work, delay); | |
2242 | } | |
2243 | ||
2244 | static void | |
2245 | netxen_cancel_fw_work(struct netxen_adapter *adapter) | |
2246 | { | |
2247 | while (test_and_set_bit(__NX_RESETTING, &adapter->state)) | |
2248 | msleep(10); | |
2249 | ||
2250 | cancel_delayed_work_sync(&adapter->fw_work); | |
2251 | } | |
2252 | ||
2253 | static void | |
2254 | netxen_attach_work(struct work_struct *work) | |
2255 | { | |
2256 | struct netxen_adapter *adapter = container_of(work, | |
2257 | struct netxen_adapter, fw_work.work); | |
2258 | struct net_device *netdev = adapter->netdev; | |
2259 | int err = 0; | |
2260 | ||
2261 | if (netif_running(netdev)) { | |
2262 | err = netxen_nic_attach(adapter); | |
2263 | if (err) | |
2264 | goto done; | |
2265 | ||
2266 | err = netxen_nic_up(adapter, netdev); | |
2267 | if (err) { | |
2268 | netxen_nic_detach(adapter); | |
2269 | goto done; | |
2270 | } | |
2271 | ||
d0725e4d | 2272 | netxen_config_indev_addr(netdev, NETDEV_UP); |
6a581e93 DP |
2273 | } |
2274 | ||
2275 | netif_device_attach(netdev); | |
2276 | ||
2277 | done: | |
2278 | adapter->fw_fail_cnt = 0; | |
2279 | clear_bit(__NX_RESETTING, &adapter->state); | |
2280 | netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY); | |
2281 | } | |
2282 | ||
2283 | static void | |
2284 | netxen_fwinit_work(struct work_struct *work) | |
2285 | { | |
2286 | struct netxen_adapter *adapter = container_of(work, | |
2287 | struct netxen_adapter, fw_work.work); | |
2288 | int dev_state; | |
2289 | ||
2290 | dev_state = NXRD32(adapter, NX_CRB_DEV_STATE); | |
2291 | ||
2292 | switch (dev_state) { | |
2293 | case NX_DEV_COLD: | |
2294 | case NX_DEV_READY: | |
74c520da AKS |
2295 | if (!netxen_start_firmware(adapter)) { |
2296 | netxen_schedule_work(adapter, netxen_attach_work, 0); | |
2297 | return; | |
2298 | } | |
2299 | break; | |
6a581e93 DP |
2300 | |
2301 | case NX_DEV_INITALIZING: | |
2302 | if (++adapter->fw_wait_cnt < FW_POLL_THRESH) { | |
2303 | netxen_schedule_work(adapter, | |
2304 | netxen_fwinit_work, 2 * FW_POLL_DELAY); | |
2305 | return; | |
2306 | } | |
6a581e93 DP |
2307 | |
2308 | case NX_DEV_FAILED: | |
2309 | default: | |
8f9b3f69 | 2310 | nx_incr_dev_ref_cnt(adapter); |
6a581e93 DP |
2311 | break; |
2312 | } | |
2313 | ||
6a581e93 DP |
2314 | clear_bit(__NX_RESETTING, &adapter->state); |
2315 | } | |
2316 | ||
2317 | static void | |
2318 | netxen_detach_work(struct work_struct *work) | |
2319 | { | |
2320 | struct netxen_adapter *adapter = container_of(work, | |
2321 | struct netxen_adapter, fw_work.work); | |
2322 | struct net_device *netdev = adapter->netdev; | |
2323 | int ref_cnt, delay; | |
2324 | u32 status; | |
2325 | ||
2326 | netif_device_detach(netdev); | |
2327 | ||
6f771419 | 2328 | netxen_nic_down(adapter, netdev); |
6a581e93 DP |
2329 | |
2330 | netxen_nic_detach(adapter); | |
2331 | ||
2332 | status = NXRD32(adapter, NETXEN_PEG_HALT_STATUS1); | |
2333 | ||
6a581e93 | 2334 | if (status & NX_RCODE_FATAL_ERROR) |
8f9b3f69 | 2335 | goto err_ret; |
6a581e93 DP |
2336 | |
2337 | if (adapter->temp == NX_TEMP_PANIC) | |
8f9b3f69 AKS |
2338 | goto err_ret; |
2339 | ||
2340 | ref_cnt = nx_decr_dev_ref_cnt(adapter); | |
6a581e93 DP |
2341 | |
2342 | delay = (ref_cnt == 0) ? 0 : (2 * FW_POLL_DELAY); | |
2343 | ||
2344 | adapter->fw_wait_cnt = 0; | |
2345 | netxen_schedule_work(adapter, netxen_fwinit_work, delay); | |
8f9b3f69 AKS |
2346 | |
2347 | return; | |
2348 | ||
2349 | err_ret: | |
2350 | clear_bit(__NX_RESETTING, &adapter->state); | |
6a581e93 DP |
2351 | } |
2352 | ||
2353 | static int | |
2354 | netxen_check_health(struct netxen_adapter *adapter) | |
2355 | { | |
2356 | u32 state, heartbit; | |
2357 | struct net_device *netdev = adapter->netdev; | |
2358 | ||
e87ad553 AKS |
2359 | state = NXRD32(adapter, NX_CRB_DEV_STATE); |
2360 | if (state == NX_DEV_NEED_AER) | |
2361 | return 0; | |
2362 | ||
6a581e93 DP |
2363 | if (netxen_nic_check_temp(adapter)) |
2364 | goto detach; | |
2365 | ||
74c520da | 2366 | if (adapter->need_fw_reset) { |
e87ad553 AKS |
2367 | if (nx_dev_request_reset(adapter)) |
2368 | return 0; | |
74c520da AKS |
2369 | goto detach; |
2370 | } | |
2371 | ||
e87ad553 AKS |
2372 | /* NX_DEV_NEED_RESET, this state can be marked in two cases |
2373 | * 1. Tx timeout 2. Fw hang | |
2374 | * Send request to destroy context in case of tx timeout only | |
2375 | * and doesn't required in case of Fw hang | |
2376 | */ | |
6a808c6c AKS |
2377 | if (state == NX_DEV_NEED_RESET) { |
2378 | adapter->need_fw_reset = 1; | |
e87ad553 AKS |
2379 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) |
2380 | goto detach; | |
6a808c6c | 2381 | } |
6a581e93 DP |
2382 | |
2383 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) | |
2384 | return 0; | |
2385 | ||
2386 | heartbit = NXRD32(adapter, NETXEN_PEG_ALIVE_COUNTER); | |
2387 | if (heartbit != adapter->heartbit) { | |
2388 | adapter->heartbit = heartbit; | |
2389 | adapter->fw_fail_cnt = 0; | |
e87ad553 AKS |
2390 | if (adapter->need_fw_reset) |
2391 | goto detach; | |
6a581e93 DP |
2392 | return 0; |
2393 | } | |
2394 | ||
2395 | if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) | |
2396 | return 0; | |
2397 | ||
e87ad553 AKS |
2398 | if (nx_dev_request_reset(adapter)) |
2399 | return 0; | |
2400 | ||
6a581e93 DP |
2401 | clear_bit(__NX_FW_ATTACHED, &adapter->state); |
2402 | ||
2403 | dev_info(&netdev->dev, "firmware hang detected\n"); | |
2404 | ||
2405 | detach: | |
caa2dd53 NK |
2406 | if ((auto_fw_reset == AUTO_FW_RESET_ENABLED) && |
2407 | !test_and_set_bit(__NX_RESETTING, &adapter->state)) | |
6a581e93 DP |
2408 | netxen_schedule_work(adapter, netxen_detach_work, 0); |
2409 | return 1; | |
2410 | } | |
2411 | ||
2412 | static void | |
2413 | netxen_fw_poll_work(struct work_struct *work) | |
2414 | { | |
2415 | struct netxen_adapter *adapter = container_of(work, | |
2416 | struct netxen_adapter, fw_work.work); | |
2417 | ||
2418 | if (test_bit(__NX_RESETTING, &adapter->state)) | |
2419 | goto reschedule; | |
2420 | ||
2421 | if (test_bit(__NX_DEV_UP, &adapter->state)) { | |
2422 | if (!adapter->has_link_events) { | |
2423 | ||
2424 | netxen_nic_handle_phy_intr(adapter); | |
2425 | ||
2426 | if (adapter->link_changed) | |
2427 | netxen_nic_set_link_parameters(adapter); | |
2428 | } | |
2429 | } | |
2430 | ||
2431 | if (netxen_check_health(adapter)) | |
2432 | return; | |
2433 | ||
2434 | reschedule: | |
2435 | netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY); | |
2436 | } | |
2437 | ||
fa3ce355 NK |
2438 | static ssize_t |
2439 | netxen_store_bridged_mode(struct device *dev, | |
2440 | struct device_attribute *attr, const char *buf, size_t len) | |
2441 | { | |
2442 | struct net_device *net = to_net_dev(dev); | |
2443 | struct netxen_adapter *adapter = netdev_priv(net); | |
2444 | unsigned long new; | |
2445 | int ret = -EINVAL; | |
2446 | ||
2447 | if (!(adapter->capabilities & NX_FW_CAPABILITY_BDG)) | |
2448 | goto err_out; | |
2449 | ||
2450 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) | |
2451 | goto err_out; | |
2452 | ||
2453 | if (strict_strtoul(buf, 2, &new)) | |
2454 | goto err_out; | |
2455 | ||
2456 | if (!netxen_config_bridged_mode(adapter, !!new)) | |
2457 | ret = len; | |
2458 | ||
2459 | err_out: | |
2460 | return ret; | |
2461 | } | |
2462 | ||
2463 | static ssize_t | |
2464 | netxen_show_bridged_mode(struct device *dev, | |
2465 | struct device_attribute *attr, char *buf) | |
2466 | { | |
2467 | struct net_device *net = to_net_dev(dev); | |
2468 | struct netxen_adapter *adapter; | |
2469 | int bridged_mode = 0; | |
2470 | ||
2471 | adapter = netdev_priv(net); | |
2472 | ||
2473 | if (adapter->capabilities & NX_FW_CAPABILITY_BDG) | |
2474 | bridged_mode = !!(adapter->flags & NETXEN_NIC_BRIDGE_ENABLED); | |
2475 | ||
2476 | return sprintf(buf, "%d\n", bridged_mode); | |
2477 | } | |
2478 | ||
2479 | static struct device_attribute dev_attr_bridged_mode = { | |
2480 | .attr = {.name = "bridged_mode", .mode = (S_IRUGO | S_IWUSR)}, | |
2481 | .show = netxen_show_bridged_mode, | |
2482 | .store = netxen_store_bridged_mode, | |
2483 | }; | |
2484 | ||
70f9cf89 DP |
2485 | static ssize_t |
2486 | netxen_store_diag_mode(struct device *dev, | |
2487 | struct device_attribute *attr, const char *buf, size_t len) | |
2488 | { | |
2489 | struct netxen_adapter *adapter = dev_get_drvdata(dev); | |
2490 | unsigned long new; | |
2491 | ||
2492 | if (strict_strtoul(buf, 2, &new)) | |
2493 | return -EINVAL; | |
2494 | ||
2495 | if (!!new != !!(adapter->flags & NETXEN_NIC_DIAG_ENABLED)) | |
2496 | adapter->flags ^= NETXEN_NIC_DIAG_ENABLED; | |
2497 | ||
2498 | return len; | |
2499 | } | |
2500 | ||
2501 | static ssize_t | |
2502 | netxen_show_diag_mode(struct device *dev, | |
2503 | struct device_attribute *attr, char *buf) | |
2504 | { | |
2505 | struct netxen_adapter *adapter = dev_get_drvdata(dev); | |
2506 | ||
2507 | return sprintf(buf, "%d\n", | |
2508 | !!(adapter->flags & NETXEN_NIC_DIAG_ENABLED)); | |
2509 | } | |
2510 | ||
2511 | static struct device_attribute dev_attr_diag_mode = { | |
2512 | .attr = {.name = "diag_mode", .mode = (S_IRUGO | S_IWUSR)}, | |
2513 | .show = netxen_show_diag_mode, | |
2514 | .store = netxen_store_diag_mode, | |
2515 | }; | |
2516 | ||
2517 | static int | |
2518 | netxen_sysfs_validate_crb(struct netxen_adapter *adapter, | |
2519 | loff_t offset, size_t size) | |
2520 | { | |
2521 | if (!(adapter->flags & NETXEN_NIC_DIAG_ENABLED)) | |
2522 | return -EIO; | |
2523 | ||
2524 | if ((size != 4) || (offset & 0x3)) | |
2525 | return -EINVAL; | |
2526 | ||
2527 | if (offset < NETXEN_PCI_CRBSPACE) | |
2528 | return -EINVAL; | |
2529 | ||
2530 | return 0; | |
2531 | } | |
2532 | ||
2533 | static ssize_t | |
2534 | netxen_sysfs_read_crb(struct kobject *kobj, struct bin_attribute *attr, | |
2535 | char *buf, loff_t offset, size_t size) | |
2536 | { | |
2537 | struct device *dev = container_of(kobj, struct device, kobj); | |
2538 | struct netxen_adapter *adapter = dev_get_drvdata(dev); | |
2539 | u32 data; | |
2540 | int ret; | |
2541 | ||
2542 | ret = netxen_sysfs_validate_crb(adapter, offset, size); | |
2543 | if (ret != 0) | |
2544 | return ret; | |
2545 | ||
2546 | data = NXRD32(adapter, offset); | |
2547 | memcpy(buf, &data, size); | |
2548 | return size; | |
2549 | } | |
2550 | ||
2551 | static ssize_t | |
2552 | netxen_sysfs_write_crb(struct kobject *kobj, struct bin_attribute *attr, | |
2553 | char *buf, loff_t offset, size_t size) | |
2554 | { | |
2555 | struct device *dev = container_of(kobj, struct device, kobj); | |
2556 | struct netxen_adapter *adapter = dev_get_drvdata(dev); | |
2557 | u32 data; | |
2558 | int ret; | |
2559 | ||
2560 | ret = netxen_sysfs_validate_crb(adapter, offset, size); | |
2561 | if (ret != 0) | |
2562 | return ret; | |
2563 | ||
2564 | memcpy(&data, buf, size); | |
2565 | NXWR32(adapter, offset, data); | |
2566 | return size; | |
2567 | } | |
2568 | ||
2569 | static int | |
2570 | netxen_sysfs_validate_mem(struct netxen_adapter *adapter, | |
2571 | loff_t offset, size_t size) | |
2572 | { | |
2573 | if (!(adapter->flags & NETXEN_NIC_DIAG_ENABLED)) | |
2574 | return -EIO; | |
2575 | ||
2576 | if ((size != 8) || (offset & 0x7)) | |
2577 | return -EIO; | |
2578 | ||
2579 | return 0; | |
2580 | } | |
2581 | ||
2582 | static ssize_t | |
2583 | netxen_sysfs_read_mem(struct kobject *kobj, struct bin_attribute *attr, | |
2584 | char *buf, loff_t offset, size_t size) | |
2585 | { | |
2586 | struct device *dev = container_of(kobj, struct device, kobj); | |
2587 | struct netxen_adapter *adapter = dev_get_drvdata(dev); | |
2588 | u64 data; | |
2589 | int ret; | |
2590 | ||
2591 | ret = netxen_sysfs_validate_mem(adapter, offset, size); | |
2592 | if (ret != 0) | |
2593 | return ret; | |
2594 | ||
2595 | if (adapter->pci_mem_read(adapter, offset, &data)) | |
2596 | return -EIO; | |
2597 | ||
2598 | memcpy(buf, &data, size); | |
2599 | ||
2600 | return size; | |
2601 | } | |
2602 | ||
2603 | ssize_t netxen_sysfs_write_mem(struct kobject *kobj, | |
2604 | struct bin_attribute *attr, char *buf, | |
2605 | loff_t offset, size_t size) | |
2606 | { | |
2607 | struct device *dev = container_of(kobj, struct device, kobj); | |
2608 | struct netxen_adapter *adapter = dev_get_drvdata(dev); | |
2609 | u64 data; | |
2610 | int ret; | |
2611 | ||
2612 | ret = netxen_sysfs_validate_mem(adapter, offset, size); | |
2613 | if (ret != 0) | |
2614 | return ret; | |
2615 | ||
2616 | memcpy(&data, buf, size); | |
2617 | ||
2618 | if (adapter->pci_mem_write(adapter, offset, data)) | |
2619 | return -EIO; | |
2620 | ||
2621 | return size; | |
2622 | } | |
2623 | ||
2624 | ||
2625 | static struct bin_attribute bin_attr_crb = { | |
2626 | .attr = {.name = "crb", .mode = (S_IRUGO | S_IWUSR)}, | |
2627 | .size = 0, | |
2628 | .read = netxen_sysfs_read_crb, | |
2629 | .write = netxen_sysfs_write_crb, | |
2630 | }; | |
2631 | ||
2632 | static struct bin_attribute bin_attr_mem = { | |
2633 | .attr = {.name = "mem", .mode = (S_IRUGO | S_IWUSR)}, | |
2634 | .size = 0, | |
2635 | .read = netxen_sysfs_read_mem, | |
2636 | .write = netxen_sysfs_write_mem, | |
2637 | }; | |
2638 | ||
caa2dd53 | 2639 | |
fa3ce355 NK |
2640 | static void |
2641 | netxen_create_sysfs_entries(struct netxen_adapter *adapter) | |
2642 | { | |
2643 | struct net_device *netdev = adapter->netdev; | |
2644 | struct device *dev = &netdev->dev; | |
2645 | ||
2646 | if (adapter->capabilities & NX_FW_CAPABILITY_BDG) { | |
2647 | /* bridged_mode control */ | |
2648 | if (device_create_file(dev, &dev_attr_bridged_mode)) { | |
2649 | dev_warn(&netdev->dev, | |
2650 | "failed to create bridged_mode sysfs entry\n"); | |
2651 | } | |
2652 | } | |
2653 | } | |
2654 | ||
2655 | static void | |
2656 | netxen_remove_sysfs_entries(struct netxen_adapter *adapter) | |
2657 | { | |
2658 | struct net_device *netdev = adapter->netdev; | |
2659 | struct device *dev = &netdev->dev; | |
2660 | ||
2661 | if (adapter->capabilities & NX_FW_CAPABILITY_BDG) | |
2662 | device_remove_file(dev, &dev_attr_bridged_mode); | |
2663 | } | |
2664 | ||
70f9cf89 DP |
2665 | static void |
2666 | netxen_create_diag_entries(struct netxen_adapter *adapter) | |
2667 | { | |
2668 | struct pci_dev *pdev = adapter->pdev; | |
2669 | struct device *dev; | |
2670 | ||
2671 | dev = &pdev->dev; | |
2672 | if (device_create_file(dev, &dev_attr_diag_mode)) | |
2673 | dev_info(dev, "failed to create diag_mode sysfs entry\n"); | |
2674 | if (device_create_bin_file(dev, &bin_attr_crb)) | |
2675 | dev_info(dev, "failed to create crb sysfs entry\n"); | |
2676 | if (device_create_bin_file(dev, &bin_attr_mem)) | |
2677 | dev_info(dev, "failed to create mem sysfs entry\n"); | |
2678 | } | |
2679 | ||
2680 | ||
2681 | static void | |
2682 | netxen_remove_diag_entries(struct netxen_adapter *adapter) | |
2683 | { | |
2684 | struct pci_dev *pdev = adapter->pdev; | |
2685 | struct device *dev = &pdev->dev; | |
2686 | ||
2687 | device_remove_file(dev, &dev_attr_diag_mode); | |
2688 | device_remove_bin_file(dev, &bin_attr_crb); | |
2689 | device_remove_bin_file(dev, &bin_attr_mem); | |
2690 | } | |
2691 | ||
044824d9 DP |
2692 | #ifdef CONFIG_INET |
2693 | ||
6598b169 DP |
2694 | #define is_netxen_netdev(dev) (dev->netdev_ops == &netxen_netdev_ops) |
2695 | ||
2696 | static int | |
2697 | netxen_destip_supported(struct netxen_adapter *adapter) | |
2698 | { | |
2699 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) | |
2700 | return 0; | |
2701 | ||
2702 | if (adapter->ahw.cut_through) | |
2703 | return 0; | |
2704 | ||
2705 | return 1; | |
2706 | } | |
2707 | ||
d0725e4d AKS |
2708 | static void |
2709 | netxen_config_indev_addr(struct net_device *dev, unsigned long event) | |
2710 | { | |
2711 | struct in_device *indev; | |
2712 | struct netxen_adapter *adapter = netdev_priv(dev); | |
2713 | ||
3db76755 | 2714 | if (!netxen_destip_supported(adapter)) |
d0725e4d AKS |
2715 | return; |
2716 | ||
2717 | indev = in_dev_get(dev); | |
2718 | if (!indev) | |
2719 | return; | |
2720 | ||
2721 | for_ifa(indev) { | |
2722 | switch (event) { | |
2723 | case NETDEV_UP: | |
2724 | netxen_config_ipaddr(adapter, | |
2725 | ifa->ifa_address, NX_IP_UP); | |
2726 | break; | |
2727 | case NETDEV_DOWN: | |
2728 | netxen_config_ipaddr(adapter, | |
2729 | ifa->ifa_address, NX_IP_DOWN); | |
2730 | break; | |
2731 | default: | |
2732 | break; | |
2733 | } | |
2734 | } endfor_ifa(indev); | |
2735 | ||
2736 | in_dev_put(indev); | |
2737 | return; | |
2738 | } | |
2739 | ||
6598b169 DP |
2740 | static int netxen_netdev_event(struct notifier_block *this, |
2741 | unsigned long event, void *ptr) | |
2742 | { | |
2743 | struct netxen_adapter *adapter; | |
2744 | struct net_device *dev = (struct net_device *)ptr; | |
6598b169 DP |
2745 | |
2746 | recheck: | |
2747 | if (dev == NULL) | |
2748 | goto done; | |
2749 | ||
2750 | if (dev->priv_flags & IFF_802_1Q_VLAN) { | |
2751 | dev = vlan_dev_real_dev(dev); | |
2752 | goto recheck; | |
2753 | } | |
2754 | ||
2755 | if (!is_netxen_netdev(dev)) | |
2756 | goto done; | |
2757 | ||
2758 | adapter = netdev_priv(dev); | |
2759 | ||
d0725e4d | 2760 | if (!adapter) |
6598b169 DP |
2761 | goto done; |
2762 | ||
2763 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) | |
2764 | goto done; | |
2765 | ||
d0725e4d | 2766 | netxen_config_indev_addr(dev, event); |
6598b169 DP |
2767 | done: |
2768 | return NOTIFY_DONE; | |
2769 | } | |
2770 | ||
2771 | static int | |
2772 | netxen_inetaddr_event(struct notifier_block *this, | |
2773 | unsigned long event, void *ptr) | |
2774 | { | |
2775 | struct netxen_adapter *adapter; | |
2776 | struct net_device *dev; | |
2777 | ||
2778 | struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; | |
2779 | ||
2780 | dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; | |
2781 | ||
2782 | recheck: | |
2783 | if (dev == NULL || !netif_running(dev)) | |
2784 | goto done; | |
2785 | ||
2786 | if (dev->priv_flags & IFF_802_1Q_VLAN) { | |
2787 | dev = vlan_dev_real_dev(dev); | |
2788 | goto recheck; | |
2789 | } | |
2790 | ||
2791 | if (!is_netxen_netdev(dev)) | |
2792 | goto done; | |
2793 | ||
2794 | adapter = netdev_priv(dev); | |
2795 | ||
2796 | if (!adapter || !netxen_destip_supported(adapter)) | |
2797 | goto done; | |
2798 | ||
2799 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) | |
2800 | goto done; | |
2801 | ||
2802 | switch (event) { | |
2803 | case NETDEV_UP: | |
2804 | netxen_config_ipaddr(adapter, ifa->ifa_address, NX_IP_UP); | |
2805 | break; | |
2806 | case NETDEV_DOWN: | |
2807 | netxen_config_ipaddr(adapter, ifa->ifa_address, NX_IP_DOWN); | |
2808 | break; | |
2809 | default: | |
2810 | break; | |
2811 | } | |
2812 | ||
2813 | done: | |
2814 | return NOTIFY_DONE; | |
2815 | } | |
2816 | ||
2817 | static struct notifier_block netxen_netdev_cb = { | |
2818 | .notifier_call = netxen_netdev_event, | |
2819 | }; | |
2820 | ||
2821 | static struct notifier_block netxen_inetaddr_cb = { | |
2822 | .notifier_call = netxen_inetaddr_event, | |
2823 | }; | |
9feae56c RD |
2824 | #else |
2825 | static void | |
2826 | netxen_config_indev_addr(struct net_device *dev, unsigned long event) | |
2827 | { } | |
044824d9 | 2828 | #endif |
6598b169 | 2829 | |
e87ad553 AKS |
2830 | static struct pci_error_handlers netxen_err_handler = { |
2831 | .error_detected = netxen_io_error_detected, | |
2832 | .slot_reset = netxen_io_slot_reset, | |
2833 | .resume = netxen_io_resume, | |
2834 | }; | |
2835 | ||
3d396eb1 AK |
2836 | static struct pci_driver netxen_driver = { |
2837 | .name = netxen_nic_driver_name, | |
2838 | .id_table = netxen_pci_tbl, | |
2839 | .probe = netxen_nic_probe, | |
0b72e659 | 2840 | .remove = __devexit_p(netxen_nic_remove), |
01542cd1 | 2841 | #ifdef CONFIG_PM |
0b72e659 | 2842 | .suspend = netxen_nic_suspend, |
22b5794b | 2843 | .resume = netxen_nic_resume, |
01542cd1 | 2844 | #endif |
e87ad553 AKS |
2845 | .shutdown = netxen_nic_shutdown, |
2846 | .err_handler = &netxen_err_handler | |
3d396eb1 AK |
2847 | }; |
2848 | ||
3d396eb1 AK |
2849 | static int __init netxen_init_module(void) |
2850 | { | |
ff4fbd43 DP |
2851 | printk(KERN_INFO "%s\n", netxen_nic_driver_string); |
2852 | ||
044824d9 | 2853 | #ifdef CONFIG_INET |
6598b169 DP |
2854 | register_netdevice_notifier(&netxen_netdev_cb); |
2855 | register_inetaddr_notifier(&netxen_inetaddr_cb); | |
044824d9 | 2856 | #endif |
184231bd | 2857 | return pci_register_driver(&netxen_driver); |
3d396eb1 AK |
2858 | } |
2859 | ||
2860 | module_init(netxen_init_module); | |
2861 | ||
2862 | static void __exit netxen_exit_module(void) | |
2863 | { | |
3d396eb1 | 2864 | pci_unregister_driver(&netxen_driver); |
6598b169 | 2865 | |
044824d9 | 2866 | #ifdef CONFIG_INET |
6598b169 DP |
2867 | unregister_inetaddr_notifier(&netxen_inetaddr_cb); |
2868 | unregister_netdevice_notifier(&netxen_netdev_cb); | |
044824d9 | 2869 | #endif |
3d396eb1 AK |
2870 | } |
2871 | ||
2872 | module_exit(netxen_exit_module); |