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