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Commit | Line | Data |
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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) |
ec5c50cb | 822 | goto ready; |
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 | |
ec5c50cb | 865 | ready: |
6a581e93 DP |
866 | NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_READY); |
867 | ||
96f2ebd2 | 868 | wait_init: |
ba599d4f DP |
869 | /* Handshake with the card before we register the devices. */ |
870 | err = netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE); | |
871 | if (err) { | |
83ac51fa | 872 | netxen_free_dummy_dma(adapter); |
db4cfd8a | 873 | goto err_out; |
ba599d4f DP |
874 | } |
875 | ||
68b3cae0 DP |
876 | nx_update_dma_mask(adapter); |
877 | ||
6a581e93 | 878 | netxen_check_options(adapter); |
68b3cae0 | 879 | |
74c520da AKS |
880 | adapter->need_fw_reset = 0; |
881 | ||
ec5c50cb | 882 | /* fall through and release firmware */ |
db4cfd8a DP |
883 | |
884 | err_out: | |
885 | netxen_release_firmware(adapter); | |
886 | return err; | |
ba599d4f DP |
887 | } |
888 | ||
9f5bc7f1 DP |
889 | static int |
890 | netxen_nic_request_irq(struct netxen_adapter *adapter) | |
891 | { | |
892 | irq_handler_t handler; | |
d8b100c5 DP |
893 | struct nx_host_sds_ring *sds_ring; |
894 | int err, ring; | |
895 | ||
9f5bc7f1 DP |
896 | unsigned long flags = IRQF_SAMPLE_RANDOM; |
897 | struct net_device *netdev = adapter->netdev; | |
d8b100c5 | 898 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; |
9f5bc7f1 | 899 | |
9f5bc7f1 DP |
900 | if (adapter->flags & NETXEN_NIC_MSIX_ENABLED) |
901 | handler = netxen_msix_intr; | |
902 | else if (adapter->flags & NETXEN_NIC_MSI_ENABLED) | |
903 | handler = netxen_msi_intr; | |
904 | else { | |
905 | flags |= IRQF_SHARED; | |
906 | handler = netxen_intr; | |
907 | } | |
908 | adapter->irq = netdev->irq; | |
909 | ||
d8b100c5 DP |
910 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
911 | sds_ring = &recv_ctx->sds_rings[ring]; | |
be339aee | 912 | sprintf(sds_ring->name, "%s[%d]", netdev->name, ring); |
d8b100c5 DP |
913 | err = request_irq(sds_ring->irq, handler, |
914 | flags, sds_ring->name, sds_ring); | |
915 | if (err) | |
916 | return err; | |
917 | } | |
918 | ||
919 | return 0; | |
920 | } | |
921 | ||
922 | static void | |
923 | netxen_nic_free_irq(struct netxen_adapter *adapter) | |
924 | { | |
925 | int ring; | |
926 | struct nx_host_sds_ring *sds_ring; | |
927 | ||
928 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; | |
929 | ||
930 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
931 | sds_ring = &recv_ctx->sds_rings[ring]; | |
932 | free_irq(sds_ring->irq, sds_ring); | |
933 | } | |
9f5bc7f1 DP |
934 | } |
935 | ||
ca2ef330 DP |
936 | static void |
937 | netxen_nic_init_coalesce_defaults(struct netxen_adapter *adapter) | |
938 | { | |
939 | adapter->coal.flags = NETXEN_NIC_INTR_DEFAULT; | |
940 | adapter->coal.normal.data.rx_time_us = | |
941 | NETXEN_DEFAULT_INTR_COALESCE_RX_TIME_US; | |
942 | adapter->coal.normal.data.rx_packets = | |
943 | NETXEN_DEFAULT_INTR_COALESCE_RX_PACKETS; | |
944 | adapter->coal.normal.data.tx_time_us = | |
945 | NETXEN_DEFAULT_INTR_COALESCE_TX_TIME_US; | |
946 | adapter->coal.normal.data.tx_packets = | |
947 | NETXEN_DEFAULT_INTR_COALESCE_TX_PACKETS; | |
948 | } | |
949 | ||
9f5bc7f1 DP |
950 | static int |
951 | netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev) | |
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 | ||
992 | static void | |
993 | netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev) | |
994 | { | |
db4cfd8a DP |
995 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) |
996 | return; | |
997 | ||
6a581e93 DP |
998 | clear_bit(__NX_DEV_UP, &adapter->state); |
999 | ||
b2af9cb0 | 1000 | spin_lock(&adapter->tx_clean_lock); |
9f5bc7f1 | 1001 | netif_carrier_off(netdev); |
b2af9cb0 | 1002 | netif_tx_disable(netdev); |
9f5bc7f1 DP |
1003 | |
1004 | if (adapter->stop_port) | |
1005 | adapter->stop_port(adapter); | |
1006 | ||
5cf4d323 DP |
1007 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) |
1008 | netxen_p3_free_mac_list(adapter); | |
1009 | ||
22b5794b AKS |
1010 | adapter->set_promisc(adapter, NETXEN_NIU_NON_PROMISC_MODE); |
1011 | ||
be339aee DP |
1012 | netxen_napi_disable(adapter); |
1013 | ||
9f5bc7f1 | 1014 | netxen_release_tx_buffers(adapter); |
b2af9cb0 | 1015 | spin_unlock(&adapter->tx_clean_lock); |
9f5bc7f1 DP |
1016 | } |
1017 | ||
1018 | ||
1019 | static int | |
1020 | netxen_nic_attach(struct netxen_adapter *adapter) | |
1021 | { | |
1022 | struct net_device *netdev = adapter->netdev; | |
1023 | struct pci_dev *pdev = adapter->pdev; | |
becf46a0 | 1024 | int err, ring; |
d8b100c5 | 1025 | struct nx_host_rds_ring *rds_ring; |
d877f1e3 | 1026 | struct nx_host_tx_ring *tx_ring; |
9f5bc7f1 | 1027 | |
7042cd8f AKS |
1028 | if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) |
1029 | return 0; | |
1030 | ||
9f5bc7f1 | 1031 | err = netxen_init_firmware(adapter); |
232e7d68 DP |
1032 | if (err) |
1033 | return err; | |
1034 | ||
1035 | err = netxen_napi_add(adapter, netdev); | |
1036 | if (err) | |
1037 | return err; | |
9f5bc7f1 | 1038 | |
9f5bc7f1 DP |
1039 | err = netxen_alloc_sw_resources(adapter); |
1040 | if (err) { | |
1041 | printk(KERN_ERR "%s: Error in setting sw resources\n", | |
1042 | netdev->name); | |
1043 | return err; | |
1044 | } | |
1045 | ||
9f5bc7f1 DP |
1046 | err = netxen_alloc_hw_resources(adapter); |
1047 | if (err) { | |
1048 | printk(KERN_ERR "%s: Error in setting hw resources\n", | |
1049 | netdev->name); | |
1050 | goto err_out_free_sw; | |
1051 | } | |
1052 | ||
4f96b988 | 1053 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { |
4ea528a1 | 1054 | tx_ring = adapter->tx_ring; |
195c5f98 AKS |
1055 | tx_ring->crb_cmd_producer = netxen_get_ioaddr(adapter, |
1056 | crb_cmd_producer[adapter->portnum]); | |
1057 | tx_ring->crb_cmd_consumer = netxen_get_ioaddr(adapter, | |
1058 | crb_cmd_consumer[adapter->portnum]); | |
9f5bc7f1 | 1059 | |
cb2107be DP |
1060 | tx_ring->producer = 0; |
1061 | tx_ring->sw_consumer = 0; | |
1062 | ||
1063 | netxen_nic_update_cmd_producer(adapter, tx_ring); | |
1064 | netxen_nic_update_cmd_consumer(adapter, tx_ring); | |
9f5bc7f1 DP |
1065 | } |
1066 | ||
d8b100c5 DP |
1067 | for (ring = 0; ring < adapter->max_rds_rings; ring++) { |
1068 | rds_ring = &adapter->recv_ctx.rds_rings[ring]; | |
1069 | netxen_post_rx_buffers(adapter, ring, rds_ring); | |
1070 | } | |
9f5bc7f1 DP |
1071 | |
1072 | err = netxen_nic_request_irq(adapter); | |
1073 | if (err) { | |
1074 | dev_err(&pdev->dev, "%s: failed to setup interrupt\n", | |
1075 | netdev->name); | |
1076 | goto err_out_free_rxbuf; | |
1077 | } | |
1078 | ||
ca2ef330 DP |
1079 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) |
1080 | netxen_nic_init_coalesce_defaults(adapter); | |
1081 | ||
fa3ce355 NK |
1082 | netxen_create_sysfs_entries(adapter); |
1083 | ||
9f5bc7f1 DP |
1084 | adapter->is_up = NETXEN_ADAPTER_UP_MAGIC; |
1085 | return 0; | |
1086 | ||
1087 | err_out_free_rxbuf: | |
1088 | netxen_release_rx_buffers(adapter); | |
1089 | netxen_free_hw_resources(adapter); | |
1090 | err_out_free_sw: | |
1091 | netxen_free_sw_resources(adapter); | |
1092 | return err; | |
1093 | } | |
1094 | ||
1095 | static void | |
1096 | netxen_nic_detach(struct netxen_adapter *adapter) | |
1097 | { | |
7042cd8f AKS |
1098 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) |
1099 | return; | |
1100 | ||
fa3ce355 NK |
1101 | netxen_remove_sysfs_entries(adapter); |
1102 | ||
9f5bc7f1 | 1103 | netxen_free_hw_resources(adapter); |
cf981ffb | 1104 | netxen_release_rx_buffers(adapter); |
be339aee | 1105 | netxen_nic_free_irq(adapter); |
232e7d68 | 1106 | netxen_napi_del(adapter); |
9f5bc7f1 DP |
1107 | netxen_free_sw_resources(adapter); |
1108 | ||
1109 | adapter->is_up = 0; | |
1110 | } | |
1111 | ||
7042cd8f AKS |
1112 | int |
1113 | netxen_nic_reset_context(struct netxen_adapter *adapter) | |
1114 | { | |
1115 | int err = 0; | |
1116 | struct net_device *netdev = adapter->netdev; | |
1117 | ||
6a581e93 DP |
1118 | if (test_and_set_bit(__NX_RESETTING, &adapter->state)) |
1119 | return -EBUSY; | |
1120 | ||
7042cd8f AKS |
1121 | if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) { |
1122 | ||
6a581e93 DP |
1123 | netif_device_detach(netdev); |
1124 | ||
7042cd8f AKS |
1125 | if (netif_running(netdev)) |
1126 | netxen_nic_down(adapter, netdev); | |
1127 | ||
1128 | netxen_nic_detach(adapter); | |
1129 | ||
6a581e93 DP |
1130 | if (netif_running(netdev)) { |
1131 | err = netxen_nic_attach(adapter); | |
1132 | if (!err) | |
1133 | err = netxen_nic_up(adapter, netdev); | |
7042cd8f | 1134 | |
6a581e93 DP |
1135 | if (err) |
1136 | goto done; | |
1137 | } | |
1138 | ||
1139 | netif_device_attach(netdev); | |
7042cd8f | 1140 | } |
6a581e93 | 1141 | |
7042cd8f | 1142 | done: |
6a581e93 | 1143 | clear_bit(__NX_RESETTING, &adapter->state); |
7042cd8f AKS |
1144 | return err; |
1145 | } | |
1146 | ||
f17443f4 DP |
1147 | static int |
1148 | netxen_setup_netdev(struct netxen_adapter *adapter, | |
1149 | struct net_device *netdev) | |
1150 | { | |
1151 | int err = 0; | |
1152 | struct pci_dev *pdev = adapter->pdev; | |
1153 | ||
1154 | adapter->rx_csum = 1; | |
1155 | adapter->mc_enabled = 0; | |
1156 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) | |
1157 | adapter->max_mc_count = 38; | |
1158 | else | |
1159 | adapter->max_mc_count = 16; | |
1160 | ||
1161 | netdev->netdev_ops = &netxen_netdev_ops; | |
1162 | netdev->watchdog_timeo = 2*HZ; | |
1163 | ||
1164 | netxen_nic_change_mtu(netdev, netdev->mtu); | |
1165 | ||
1166 | SET_ETHTOOL_OPS(netdev, &netxen_nic_ethtool_ops); | |
1167 | ||
1168 | netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO); | |
1169 | netdev->features |= (NETIF_F_GRO); | |
1170 | netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO); | |
1171 | ||
1172 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { | |
1173 | netdev->features |= (NETIF_F_IPV6_CSUM | NETIF_F_TSO6); | |
1174 | netdev->vlan_features |= (NETIF_F_IPV6_CSUM | NETIF_F_TSO6); | |
1175 | } | |
1176 | ||
1177 | if (adapter->pci_using_dac) { | |
1178 | netdev->features |= NETIF_F_HIGHDMA; | |
1179 | netdev->vlan_features |= NETIF_F_HIGHDMA; | |
1180 | } | |
1181 | ||
028afe71 DP |
1182 | if (adapter->capabilities & NX_FW_CAPABILITY_FVLANTX) |
1183 | netdev->features |= (NETIF_F_HW_VLAN_TX); | |
1184 | ||
1bb482f8 NK |
1185 | if (adapter->capabilities & NX_FW_CAPABILITY_HW_LRO) |
1186 | netdev->features |= NETIF_F_LRO; | |
1187 | ||
f17443f4 DP |
1188 | netdev->irq = adapter->msix_entries[0].vector; |
1189 | ||
74c520da | 1190 | INIT_WORK(&adapter->tx_timeout_task, netxen_tx_timeout_task); |
f17443f4 DP |
1191 | |
1192 | if (netxen_read_mac_addr(adapter)) | |
1193 | dev_warn(&pdev->dev, "failed to read mac addr\n"); | |
1194 | ||
1195 | netif_carrier_off(netdev); | |
1196 | netif_stop_queue(netdev); | |
1197 | ||
1198 | err = register_netdev(netdev); | |
1199 | if (err) { | |
1200 | dev_err(&pdev->dev, "failed to register net device\n"); | |
1201 | return err; | |
1202 | } | |
1203 | ||
1204 | return 0; | |
1205 | } | |
1206 | ||
3d396eb1 AK |
1207 | static int __devinit |
1208 | netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) | |
1209 | { | |
1210 | struct net_device *netdev = NULL; | |
1211 | struct netxen_adapter *adapter = NULL; | |
2956640d | 1212 | int i = 0, err; |
3176ff3e | 1213 | int pci_func_id = PCI_FUNC(pdev->devfn); |
2956640d | 1214 | uint8_t revision_id; |
3d396eb1 | 1215 | |
11d89d63 | 1216 | if (pdev->revision >= NX_P3_A0 && pdev->revision < NX_P3_B1) { |
c25c0b9b | 1217 | pr_warning("%s: chip revisions between 0x%x-0x%x" |
11d89d63 | 1218 | "will not be enabled.\n", |
c25c0b9b | 1219 | module_name(THIS_MODULE), NX_P3_A0, NX_P3_B1); |
11d89d63 DP |
1220 | return -ENODEV; |
1221 | } | |
1222 | ||
3d396eb1 AK |
1223 | if ((err = pci_enable_device(pdev))) |
1224 | return err; | |
2956640d | 1225 | |
3d396eb1 AK |
1226 | if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { |
1227 | err = -ENODEV; | |
1228 | goto err_out_disable_pdev; | |
1229 | } | |
1230 | ||
1231 | if ((err = pci_request_regions(pdev, netxen_nic_driver_name))) | |
1232 | goto err_out_disable_pdev; | |
1233 | ||
1234 | pci_set_master(pdev); | |
3176ff3e MT |
1235 | |
1236 | netdev = alloc_etherdev(sizeof(struct netxen_adapter)); | |
1237 | if(!netdev) { | |
f17443f4 DP |
1238 | dev_err(&pdev->dev, "failed to allocate net_device\n"); |
1239 | err = -ENOMEM; | |
3176ff3e MT |
1240 | goto err_out_free_res; |
1241 | } | |
1242 | ||
3176ff3e MT |
1243 | SET_NETDEV_DEV(netdev, &pdev->dev); |
1244 | ||
4cf1653a | 1245 | adapter = netdev_priv(netdev); |
2956640d DP |
1246 | adapter->netdev = netdev; |
1247 | adapter->pdev = pdev; | |
13ba9c77 | 1248 | adapter->ahw.pci_func = pci_func_id; |
2956640d DP |
1249 | |
1250 | revision_id = pdev->revision; | |
1251 | adapter->ahw.revision_id = revision_id; | |
1252 | ||
f03b0ebd DP |
1253 | rwlock_init(&adapter->ahw.crb_lock); |
1254 | spin_lock_init(&adapter->ahw.mem_lock); | |
1255 | ||
d8b100c5 | 1256 | spin_lock_init(&adapter->tx_clean_lock); |
5cf4d323 | 1257 | INIT_LIST_HEAD(&adapter->mac_list); |
3ce06a32 | 1258 | |
97daee83 DP |
1259 | err = netxen_setup_pci_map(adapter); |
1260 | if (err) | |
6c80b18d | 1261 | goto err_out_free_netdev; |
3d396eb1 | 1262 | |
2d1a3bbd | 1263 | /* This will be reset for mezz cards */ |
3176ff3e | 1264 | adapter->portnum = pci_func_id; |
3176ff3e | 1265 | |
f17443f4 DP |
1266 | err = netxen_nic_get_board_info(adapter); |
1267 | if (err) { | |
1268 | dev_err(&pdev->dev, "Error getting board config info.\n"); | |
dcd56fdb DP |
1269 | goto err_out_iounmap; |
1270 | } | |
6c80b18d | 1271 | |
13ba9c77 | 1272 | /* Mezz cards have PCI function 0,2,3 enabled */ |
1e2d0059 | 1273 | switch (adapter->ahw.board_type) { |
dc515f2e DP |
1274 | case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ: |
1275 | case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ: | |
1276 | if (pci_func_id >= 2) | |
13ba9c77 | 1277 | adapter->portnum = pci_func_id - 2; |
dc515f2e DP |
1278 | break; |
1279 | default: | |
1280 | break; | |
1281 | } | |
13ba9c77 | 1282 | |
6a581e93 | 1283 | err = netxen_start_firmware(adapter); |
0b72e659 DP |
1284 | if (err) |
1285 | goto err_out_iounmap; | |
f17443f4 | 1286 | |
3d396eb1 | 1287 | /* |
6c80b18d | 1288 | * See if the firmware gave us a virtual-physical port mapping. |
3d396eb1 | 1289 | */ |
dcd56fdb | 1290 | adapter->physical_port = adapter->portnum; |
4f96b988 | 1291 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { |
f98a9f69 | 1292 | i = NXRD32(adapter, CRB_V2P(adapter->portnum)); |
044fad0d DP |
1293 | if (i != 0x55555555) |
1294 | adapter->physical_port = i; | |
1295 | } | |
6c80b18d | 1296 | |
6a581e93 | 1297 | netxen_nic_clear_stats(adapter); |
2956640d | 1298 | |
97daee83 | 1299 | netxen_setup_intr(adapter); |
2956640d | 1300 | |
f17443f4 | 1301 | err = netxen_setup_netdev(adapter, netdev); |
9dc28efe | 1302 | if (err) |
2956640d | 1303 | goto err_out_disable_msi; |
6c80b18d MT |
1304 | |
1305 | pci_set_drvdata(pdev, adapter); | |
3d396eb1 | 1306 | |
6a581e93 DP |
1307 | netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY); |
1308 | ||
1e2d0059 | 1309 | switch (adapter->ahw.port_type) { |
2956640d DP |
1310 | case NETXEN_NIC_GBE: |
1311 | dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", | |
1312 | adapter->netdev->name); | |
1313 | break; | |
1314 | case NETXEN_NIC_XGBE: | |
1315 | dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", | |
1316 | adapter->netdev->name); | |
1317 | break; | |
3d396eb1 | 1318 | } |
3d396eb1 | 1319 | |
70f9cf89 DP |
1320 | netxen_create_diag_entries(adapter); |
1321 | ||
2956640d DP |
1322 | return 0; |
1323 | ||
1324 | err_out_disable_msi: | |
97daee83 | 1325 | netxen_teardown_intr(adapter); |
6c80b18d | 1326 | |
83ac51fa | 1327 | netxen_free_dummy_dma(adapter); |
3d396eb1 | 1328 | |
6a581e93 DP |
1329 | nx_decr_dev_ref_cnt(adapter); |
1330 | ||
2956640d | 1331 | err_out_iounmap: |
97daee83 | 1332 | netxen_cleanup_pci_map(adapter); |
cb8011ad | 1333 | |
6c80b18d MT |
1334 | err_out_free_netdev: |
1335 | free_netdev(netdev); | |
1336 | ||
1337 | err_out_free_res: | |
3d396eb1 | 1338 | pci_release_regions(pdev); |
6c80b18d MT |
1339 | |
1340 | err_out_disable_pdev: | |
2956640d | 1341 | pci_set_drvdata(pdev, NULL); |
3d396eb1 AK |
1342 | pci_disable_device(pdev); |
1343 | return err; | |
1344 | } | |
1345 | ||
1346 | static void __devexit netxen_nic_remove(struct pci_dev *pdev) | |
1347 | { | |
1348 | struct netxen_adapter *adapter; | |
3176ff3e | 1349 | struct net_device *netdev; |
3d396eb1 | 1350 | |
6c80b18d | 1351 | adapter = pci_get_drvdata(pdev); |
3d396eb1 AK |
1352 | if (adapter == NULL) |
1353 | return; | |
1354 | ||
6c80b18d MT |
1355 | netdev = adapter->netdev; |
1356 | ||
6a581e93 DP |
1357 | netxen_cancel_fw_work(adapter); |
1358 | ||
96acb6eb DP |
1359 | unregister_netdev(netdev); |
1360 | ||
e424fa9d AKS |
1361 | cancel_work_sync(&adapter->tx_timeout_task); |
1362 | ||
7042cd8f | 1363 | netxen_nic_detach(adapter); |
3d396eb1 | 1364 | |
6a581e93 DP |
1365 | nx_decr_dev_ref_cnt(adapter); |
1366 | ||
439b454e | 1367 | if (adapter->portnum == 0) |
83ac51fa | 1368 | netxen_free_dummy_dma(adapter); |
96acb6eb | 1369 | |
6a581e93 DP |
1370 | clear_bit(__NX_RESETTING, &adapter->state); |
1371 | ||
97daee83 | 1372 | netxen_teardown_intr(adapter); |
3052246c | 1373 | |
70f9cf89 DP |
1374 | netxen_remove_diag_entries(adapter); |
1375 | ||
97daee83 | 1376 | netxen_cleanup_pci_map(adapter); |
595e3fb8 | 1377 | |
f7185c71 DP |
1378 | netxen_release_firmware(adapter); |
1379 | ||
595e3fb8 | 1380 | pci_release_regions(pdev); |
3052246c | 1381 | pci_disable_device(pdev); |
595e3fb8 MT |
1382 | pci_set_drvdata(pdev, NULL); |
1383 | ||
6c80b18d | 1384 | free_netdev(netdev); |
3d396eb1 | 1385 | } |
22b5794b | 1386 | static int __netxen_nic_shutdown(struct pci_dev *pdev) |
0b72e659 | 1387 | { |
0b72e659 DP |
1388 | struct netxen_adapter *adapter = pci_get_drvdata(pdev); |
1389 | struct net_device *netdev = adapter->netdev; | |
22b5794b | 1390 | int retval; |
0b72e659 DP |
1391 | |
1392 | netif_device_detach(netdev); | |
1393 | ||
6a581e93 DP |
1394 | netxen_cancel_fw_work(adapter); |
1395 | ||
0b72e659 DP |
1396 | if (netif_running(netdev)) |
1397 | netxen_nic_down(adapter, netdev); | |
1398 | ||
e424fa9d AKS |
1399 | cancel_work_sync(&adapter->tx_timeout_task); |
1400 | ||
7042cd8f | 1401 | netxen_nic_detach(adapter); |
0b72e659 | 1402 | |
22b5794b AKS |
1403 | if (adapter->portnum == 0) |
1404 | netxen_free_dummy_dma(adapter); | |
1405 | ||
6a581e93 DP |
1406 | nx_decr_dev_ref_cnt(adapter); |
1407 | ||
1408 | clear_bit(__NX_RESETTING, &adapter->state); | |
1409 | ||
22b5794b AKS |
1410 | retval = pci_save_state(pdev); |
1411 | if (retval) | |
1412 | return retval; | |
0b72e659 DP |
1413 | |
1414 | if (netxen_nic_wol_supported(adapter)) { | |
1415 | pci_enable_wake(pdev, PCI_D3cold, 1); | |
1416 | pci_enable_wake(pdev, PCI_D3hot, 1); | |
1417 | } | |
1418 | ||
1419 | pci_disable_device(pdev); | |
0b72e659 DP |
1420 | |
1421 | return 0; | |
1422 | } | |
22b5794b AKS |
1423 | static void netxen_nic_shutdown(struct pci_dev *pdev) |
1424 | { | |
1425 | if (__netxen_nic_shutdown(pdev)) | |
1426 | return; | |
1427 | } | |
1428 | #ifdef CONFIG_PM | |
1429 | static int | |
1430 | netxen_nic_suspend(struct pci_dev *pdev, pm_message_t state) | |
1431 | { | |
1432 | int retval; | |
1433 | ||
1434 | retval = __netxen_nic_shutdown(pdev); | |
1435 | if (retval) | |
1436 | return retval; | |
1437 | ||
1438 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); | |
1439 | return 0; | |
1440 | } | |
0b72e659 DP |
1441 | |
1442 | static int | |
1443 | netxen_nic_resume(struct pci_dev *pdev) | |
1444 | { | |
1445 | struct netxen_adapter *adapter = pci_get_drvdata(pdev); | |
1446 | struct net_device *netdev = adapter->netdev; | |
1447 | int err; | |
1448 | ||
1449 | pci_set_power_state(pdev, PCI_D0); | |
1450 | pci_restore_state(pdev); | |
1451 | ||
1452 | err = pci_enable_device(pdev); | |
1453 | if (err) | |
1454 | return err; | |
1455 | ||
907fa120 | 1456 | adapter->ahw.crb_win = -1; |
47abe356 | 1457 | adapter->ahw.ocm_win = -1; |
0b72e659 | 1458 | |
6a581e93 | 1459 | err = netxen_start_firmware(adapter); |
0b72e659 DP |
1460 | if (err) { |
1461 | dev_err(&pdev->dev, "failed to start firmware\n"); | |
1462 | return err; | |
1463 | } | |
1464 | ||
1465 | if (netif_running(netdev)) { | |
1466 | err = netxen_nic_attach(adapter); | |
1467 | if (err) | |
6a581e93 | 1468 | goto err_out; |
0b72e659 DP |
1469 | |
1470 | err = netxen_nic_up(adapter, netdev); | |
1471 | if (err) | |
6a581e93 | 1472 | goto err_out_detach; |
0b72e659 DP |
1473 | |
1474 | netif_device_attach(netdev); | |
d0725e4d AKS |
1475 | |
1476 | netxen_config_indev_addr(netdev, NETDEV_UP); | |
0b72e659 DP |
1477 | } |
1478 | ||
6a581e93 | 1479 | netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY); |
07653aa3 | 1480 | return 0; |
6a581e93 DP |
1481 | |
1482 | err_out_detach: | |
1483 | netxen_nic_detach(adapter); | |
1484 | err_out: | |
1485 | nx_decr_dev_ref_cnt(adapter); | |
1486 | return err; | |
0b72e659 | 1487 | } |
01542cd1 | 1488 | #endif |
0b72e659 | 1489 | |
3d396eb1 AK |
1490 | static int netxen_nic_open(struct net_device *netdev) |
1491 | { | |
4cf1653a | 1492 | struct netxen_adapter *adapter = netdev_priv(netdev); |
3d396eb1 | 1493 | int err = 0; |
3d396eb1 | 1494 | |
dcd56fdb DP |
1495 | if (adapter->driver_mismatch) |
1496 | return -EIO; | |
1497 | ||
7042cd8f AKS |
1498 | err = netxen_nic_attach(adapter); |
1499 | if (err) | |
1500 | return err; | |
2956640d | 1501 | |
9f5bc7f1 DP |
1502 | err = netxen_nic_up(adapter, netdev); |
1503 | if (err) | |
1504 | goto err_out; | |
05aaa02d | 1505 | |
dcd56fdb | 1506 | netif_start_queue(netdev); |
3d396eb1 AK |
1507 | |
1508 | return 0; | |
2956640d | 1509 | |
9f5bc7f1 DP |
1510 | err_out: |
1511 | netxen_nic_detach(adapter); | |
2956640d | 1512 | return err; |
3d396eb1 AK |
1513 | } |
1514 | ||
1515 | /* | |
1516 | * netxen_nic_close - Disables a network interface entry point | |
1517 | */ | |
1518 | static int netxen_nic_close(struct net_device *netdev) | |
1519 | { | |
3176ff3e | 1520 | struct netxen_adapter *adapter = netdev_priv(netdev); |
3d396eb1 | 1521 | |
9f5bc7f1 | 1522 | netxen_nic_down(adapter, netdev); |
3d396eb1 AK |
1523 | return 0; |
1524 | } | |
1525 | ||
1bcfd790 DP |
1526 | static void |
1527 | netxen_tso_check(struct net_device *netdev, | |
1528 | struct nx_host_tx_ring *tx_ring, | |
1529 | struct cmd_desc_type0 *first_desc, | |
1530 | struct sk_buff *skb) | |
cd1f8160 | 1531 | { |
391587c3 | 1532 | u8 opcode = TX_ETHER_PKT; |
cdff1036 | 1533 | __be16 protocol = skb->protocol; |
028afe71 | 1534 | u16 flags = 0, vid = 0; |
1bcfd790 | 1535 | u32 producer; |
028afe71 | 1536 | int copied, offset, copy_len, hdr_len = 0, tso = 0, vlan_oob = 0; |
1bcfd790 | 1537 | struct cmd_desc_type0 *hwdesc; |
028afe71 | 1538 | struct vlan_ethhdr *vh; |
cdff1036 | 1539 | |
09640e63 | 1540 | if (protocol == cpu_to_be16(ETH_P_8021Q)) { |
028afe71 DP |
1541 | |
1542 | vh = (struct vlan_ethhdr *)skb->data; | |
cdff1036 DP |
1543 | protocol = vh->h_vlan_encapsulated_proto; |
1544 | flags = FLAGS_VLAN_TAGGED; | |
028afe71 DP |
1545 | |
1546 | } else if (vlan_tx_tag_present(skb)) { | |
1547 | ||
1548 | flags = FLAGS_VLAN_OOB; | |
1549 | vid = vlan_tx_tag_get(skb); | |
1550 | netxen_set_tx_vlan_tci(first_desc, vid); | |
1551 | vlan_oob = 1; | |
cdff1036 | 1552 | } |
cd1f8160 | 1553 | |
391587c3 DP |
1554 | if ((netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) && |
1555 | skb_shinfo(skb)->gso_size > 0) { | |
1556 | ||
1bcfd790 DP |
1557 | hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); |
1558 | ||
1559 | first_desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size); | |
1560 | first_desc->total_hdr_length = hdr_len; | |
028afe71 DP |
1561 | if (vlan_oob) { |
1562 | first_desc->total_hdr_length += VLAN_HLEN; | |
1563 | first_desc->tcp_hdr_offset = VLAN_HLEN; | |
1564 | first_desc->ip_hdr_offset = VLAN_HLEN; | |
1565 | /* Only in case of TSO on vlan device */ | |
1566 | flags |= FLAGS_VLAN_TAGGED; | |
1567 | } | |
391587c3 | 1568 | |
09640e63 | 1569 | opcode = (protocol == cpu_to_be16(ETH_P_IPV6)) ? |
391587c3 | 1570 | TX_TCP_LSO6 : TX_TCP_LSO; |
1bcfd790 | 1571 | tso = 1; |
cd1f8160 DP |
1572 | |
1573 | } else if (skb->ip_summed == CHECKSUM_PARTIAL) { | |
391587c3 DP |
1574 | u8 l4proto; |
1575 | ||
09640e63 | 1576 | if (protocol == cpu_to_be16(ETH_P_IP)) { |
391587c3 DP |
1577 | l4proto = ip_hdr(skb)->protocol; |
1578 | ||
1579 | if (l4proto == IPPROTO_TCP) | |
1580 | opcode = TX_TCP_PKT; | |
1581 | else if(l4proto == IPPROTO_UDP) | |
1582 | opcode = TX_UDP_PKT; | |
09640e63 | 1583 | } else if (protocol == cpu_to_be16(ETH_P_IPV6)) { |
391587c3 DP |
1584 | l4proto = ipv6_hdr(skb)->nexthdr; |
1585 | ||
1586 | if (l4proto == IPPROTO_TCP) | |
1587 | opcode = TX_TCPV6_PKT; | |
1588 | else if(l4proto == IPPROTO_UDP) | |
1589 | opcode = TX_UDPV6_PKT; | |
1590 | } | |
cd1f8160 | 1591 | } |
028afe71 DP |
1592 | |
1593 | first_desc->tcp_hdr_offset += skb_transport_offset(skb); | |
1594 | first_desc->ip_hdr_offset += skb_network_offset(skb); | |
1bcfd790 DP |
1595 | netxen_set_tx_flags_opcode(first_desc, flags, opcode); |
1596 | ||
1597 | if (!tso) | |
1598 | return; | |
1599 | ||
1600 | /* For LSO, we need to copy the MAC/IP/TCP headers into | |
1601 | * the descriptor ring | |
1602 | */ | |
1603 | producer = tx_ring->producer; | |
1604 | copied = 0; | |
1605 | offset = 2; | |
1606 | ||
028afe71 DP |
1607 | if (vlan_oob) { |
1608 | /* Create a TSO vlan header template for firmware */ | |
1609 | ||
1610 | hwdesc = &tx_ring->desc_head[producer]; | |
1611 | tx_ring->cmd_buf_arr[producer].skb = NULL; | |
1612 | ||
1613 | copy_len = min((int)sizeof(struct cmd_desc_type0) - offset, | |
1614 | hdr_len + VLAN_HLEN); | |
1615 | ||
1616 | vh = (struct vlan_ethhdr *)((char *)hwdesc + 2); | |
1617 | skb_copy_from_linear_data(skb, vh, 12); | |
1618 | vh->h_vlan_proto = htons(ETH_P_8021Q); | |
1619 | vh->h_vlan_TCI = htons(vid); | |
1620 | skb_copy_from_linear_data_offset(skb, 12, | |
1621 | (char *)vh + 16, copy_len - 16); | |
1622 | ||
545eb370 | 1623 | copied = copy_len - VLAN_HLEN; |
028afe71 DP |
1624 | offset = 0; |
1625 | ||
1626 | producer = get_next_index(producer, tx_ring->num_desc); | |
1627 | } | |
1628 | ||
1bcfd790 DP |
1629 | while (copied < hdr_len) { |
1630 | ||
1631 | copy_len = min((int)sizeof(struct cmd_desc_type0) - offset, | |
1632 | (hdr_len - copied)); | |
1633 | ||
1634 | hwdesc = &tx_ring->desc_head[producer]; | |
1635 | tx_ring->cmd_buf_arr[producer].skb = NULL; | |
1636 | ||
1637 | skb_copy_from_linear_data_offset(skb, copied, | |
1638 | (char *)hwdesc + offset, copy_len); | |
1639 | ||
1640 | copied += copy_len; | |
1641 | offset = 0; | |
1642 | ||
1643 | producer = get_next_index(producer, tx_ring->num_desc); | |
1644 | } | |
1645 | ||
1646 | tx_ring->producer = producer; | |
1647 | barrier(); | |
cd1f8160 DP |
1648 | } |
1649 | ||
ce644ed4 DP |
1650 | static int |
1651 | netxen_map_tx_skb(struct pci_dev *pdev, | |
1652 | struct sk_buff *skb, struct netxen_cmd_buffer *pbuf) | |
6f703406 | 1653 | { |
ce644ed4 DP |
1654 | struct netxen_skb_frag *nf; |
1655 | struct skb_frag_struct *frag; | |
1656 | int i, nr_frags; | |
1657 | dma_addr_t map; | |
1658 | ||
1659 | nr_frags = skb_shinfo(skb)->nr_frags; | |
1660 | nf = &pbuf->frag_array[0]; | |
1661 | ||
1662 | map = pci_map_single(pdev, skb->data, | |
1663 | skb_headlen(skb), PCI_DMA_TODEVICE); | |
1664 | if (pci_dma_mapping_error(pdev, map)) | |
1665 | goto out_err; | |
6f703406 | 1666 | |
ce644ed4 DP |
1667 | nf->dma = map; |
1668 | nf->length = skb_headlen(skb); | |
1669 | ||
1670 | for (i = 0; i < nr_frags; i++) { | |
1671 | frag = &skb_shinfo(skb)->frags[i]; | |
1672 | nf = &pbuf->frag_array[i+1]; | |
1673 | ||
1674 | map = pci_map_page(pdev, frag->page, frag->page_offset, | |
1675 | frag->size, PCI_DMA_TODEVICE); | |
1676 | if (pci_dma_mapping_error(pdev, map)) | |
1677 | goto unwind; | |
1678 | ||
1679 | nf->dma = map; | |
1680 | nf->length = frag->size; | |
1681 | } | |
1682 | ||
1683 | return 0; | |
6f703406 | 1684 | |
ce644ed4 | 1685 | unwind: |
cf503e8f DP |
1686 | while (--i >= 0) { |
1687 | nf = &pbuf->frag_array[i+1]; | |
ce644ed4 | 1688 | pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE); |
6f703406 | 1689 | } |
ce644ed4 DP |
1690 | |
1691 | nf = &pbuf->frag_array[0]; | |
1692 | pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE); | |
1693 | ||
1694 | out_err: | |
1695 | return -ENOMEM; | |
6f703406 DP |
1696 | } |
1697 | ||
d32cc3d2 DP |
1698 | static inline void |
1699 | netxen_clear_cmddesc(u64 *desc) | |
1700 | { | |
1bcfd790 DP |
1701 | desc[0] = 0ULL; |
1702 | desc[2] = 0ULL; | |
d32cc3d2 DP |
1703 | } |
1704 | ||
61357325 | 1705 | static netdev_tx_t |
d32cc3d2 | 1706 | netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) |
3d396eb1 | 1707 | { |
3176ff3e | 1708 | struct netxen_adapter *adapter = netdev_priv(netdev); |
4ea528a1 | 1709 | struct nx_host_tx_ring *tx_ring = adapter->tx_ring; |
391587c3 | 1710 | struct netxen_cmd_buffer *pbuf; |
3d396eb1 | 1711 | struct netxen_skb_frag *buffrag; |
1bcfd790 DP |
1712 | struct cmd_desc_type0 *hwdesc, *first_desc; |
1713 | struct pci_dev *pdev; | |
391587c3 | 1714 | int i, k; |
3d396eb1 | 1715 | |
cb2107be | 1716 | u32 producer; |
ce644ed4 | 1717 | int frag_count, no_of_desc; |
d877f1e3 | 1718 | u32 num_txd = tx_ring->num_desc; |
3d396eb1 | 1719 | |
3d396eb1 AK |
1720 | frag_count = skb_shinfo(skb)->nr_frags + 1; |
1721 | ||
d877f1e3 | 1722 | /* 4 fragments per cmd des */ |
3d396eb1 | 1723 | no_of_desc = (frag_count + 3) >> 2; |
53a01e00 | 1724 | |
fa9859ef | 1725 | if (unlikely(no_of_desc + 2 > netxen_tx_avail(tx_ring))) { |
ba53e6b4 | 1726 | netif_stop_queue(netdev); |
ba53e6b4 | 1727 | return NETDEV_TX_BUSY; |
53a01e00 | 1728 | } |
3d396eb1 | 1729 | |
cb2107be | 1730 | producer = tx_ring->producer; |
ce644ed4 | 1731 | pbuf = &tx_ring->cmd_buf_arr[producer]; |
cb2107be | 1732 | |
1bcfd790 | 1733 | pdev = adapter->pdev; |
391587c3 | 1734 | |
ce644ed4 | 1735 | if (netxen_map_tx_skb(pdev, skb, pbuf)) |
1bcfd790 | 1736 | goto drop_packet; |
391587c3 | 1737 | |
3d396eb1 | 1738 | pbuf->skb = skb; |
3d396eb1 | 1739 | pbuf->frag_count = frag_count; |
6f703406 | 1740 | |
1bcfd790 DP |
1741 | first_desc = hwdesc = &tx_ring->desc_head[producer]; |
1742 | netxen_clear_cmddesc((u64 *)hwdesc); | |
3d396eb1 | 1743 | |
ce644ed4 DP |
1744 | netxen_set_tx_frags_len(first_desc, frag_count, skb->len); |
1745 | netxen_set_tx_port(first_desc, adapter->portnum); | |
3d396eb1 | 1746 | |
ce644ed4 | 1747 | for (i = 0; i < frag_count; i++) { |
3d396eb1 | 1748 | |
ce644ed4 DP |
1749 | k = i % 4; |
1750 | ||
1751 | if ((k == 0) && (i > 0)) { | |
1752 | /* move to next desc.*/ | |
ba53e6b4 | 1753 | producer = get_next_index(producer, num_txd); |
d877f1e3 | 1754 | hwdesc = &tx_ring->desc_head[producer]; |
d32cc3d2 | 1755 | netxen_clear_cmddesc((u64 *)hwdesc); |
ce644ed4 | 1756 | tx_ring->cmd_buf_arr[producer].skb = NULL; |
6f703406 | 1757 | } |
3d396eb1 | 1758 | |
ce644ed4 | 1759 | buffrag = &pbuf->frag_array[i]; |
3d396eb1 | 1760 | |
ce644ed4 | 1761 | hwdesc->buffer_length[k] = cpu_to_le16(buffrag->length); |
3d396eb1 AK |
1762 | switch (k) { |
1763 | case 0: | |
ce644ed4 | 1764 | hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma); |
3d396eb1 AK |
1765 | break; |
1766 | case 1: | |
ce644ed4 | 1767 | hwdesc->addr_buffer2 = cpu_to_le64(buffrag->dma); |
3d396eb1 AK |
1768 | break; |
1769 | case 2: | |
ce644ed4 | 1770 | hwdesc->addr_buffer3 = cpu_to_le64(buffrag->dma); |
3d396eb1 AK |
1771 | break; |
1772 | case 3: | |
ce644ed4 | 1773 | hwdesc->addr_buffer4 = cpu_to_le64(buffrag->dma); |
3d396eb1 AK |
1774 | break; |
1775 | } | |
3d396eb1 | 1776 | } |
ce644ed4 | 1777 | |
1bcfd790 | 1778 | tx_ring->producer = get_next_index(producer, num_txd); |
3d396eb1 | 1779 | |
1bcfd790 | 1780 | netxen_tso_check(netdev, tx_ring, first_desc, skb); |
6c80b18d | 1781 | |
cb2107be | 1782 | netxen_nic_update_cmd_producer(adapter, tx_ring); |
3d396eb1 | 1783 | |
1bcfd790 | 1784 | adapter->stats.txbytes += skb->len; |
ba53e6b4 | 1785 | adapter->stats.xmitcalled++; |
3d396eb1 | 1786 | |
3d396eb1 | 1787 | return NETDEV_TX_OK; |
6f703406 DP |
1788 | |
1789 | drop_packet: | |
1790 | adapter->stats.txdropped++; | |
1791 | dev_kfree_skb_any(skb); | |
1792 | return NETDEV_TX_OK; | |
3d396eb1 AK |
1793 | } |
1794 | ||
a97342f9 DP |
1795 | static int netxen_nic_check_temp(struct netxen_adapter *adapter) |
1796 | { | |
1797 | struct net_device *netdev = adapter->netdev; | |
1798 | uint32_t temp, temp_state, temp_val; | |
1799 | int rv = 0; | |
1800 | ||
f98a9f69 | 1801 | temp = NXRD32(adapter, CRB_TEMP_STATE); |
a97342f9 DP |
1802 | |
1803 | temp_state = nx_get_temp_state(temp); | |
1804 | temp_val = nx_get_temp_val(temp); | |
1805 | ||
1806 | if (temp_state == NX_TEMP_PANIC) { | |
1807 | printk(KERN_ALERT | |
1808 | "%s: Device temperature %d degrees C exceeds" | |
1809 | " maximum allowed. Hardware has been shut down.\n", | |
e4135c2d | 1810 | netdev->name, temp_val); |
a97342f9 DP |
1811 | rv = 1; |
1812 | } else if (temp_state == NX_TEMP_WARN) { | |
1813 | if (adapter->temp == NX_TEMP_NORMAL) { | |
1814 | printk(KERN_ALERT | |
1815 | "%s: Device temperature %d degrees C " | |
1816 | "exceeds operating range." | |
1817 | " Immediate action needed.\n", | |
e4135c2d | 1818 | netdev->name, temp_val); |
a97342f9 DP |
1819 | } |
1820 | } else { | |
1821 | if (adapter->temp == NX_TEMP_WARN) { | |
1822 | printk(KERN_INFO | |
1823 | "%s: Device temperature is now %d degrees C" | |
e4135c2d | 1824 | " in normal range.\n", netdev->name, |
a97342f9 DP |
1825 | temp_val); |
1826 | } | |
1827 | } | |
1828 | adapter->temp = temp_state; | |
1829 | return rv; | |
1830 | } | |
1831 | ||
3bf26ce3 | 1832 | void netxen_advert_link_change(struct netxen_adapter *adapter, int linkup) |
a97342f9 DP |
1833 | { |
1834 | struct net_device *netdev = adapter->netdev; | |
a97342f9 DP |
1835 | |
1836 | if (adapter->ahw.linkup && !linkup) { | |
1837 | printk(KERN_INFO "%s: %s NIC Link is down\n", | |
1838 | netxen_nic_driver_name, netdev->name); | |
1839 | adapter->ahw.linkup = 0; | |
1840 | if (netif_running(netdev)) { | |
1841 | netif_carrier_off(netdev); | |
1842 | netif_stop_queue(netdev); | |
1843 | } | |
e424fa9d | 1844 | adapter->link_changed = !adapter->has_link_events; |
a97342f9 DP |
1845 | } else if (!adapter->ahw.linkup && linkup) { |
1846 | printk(KERN_INFO "%s: %s NIC Link is up\n", | |
1847 | netxen_nic_driver_name, netdev->name); | |
1848 | adapter->ahw.linkup = 1; | |
1849 | if (netif_running(netdev)) { | |
1850 | netif_carrier_on(netdev); | |
1851 | netif_wake_queue(netdev); | |
1852 | } | |
e424fa9d | 1853 | adapter->link_changed = !adapter->has_link_events; |
a97342f9 DP |
1854 | } |
1855 | } | |
1856 | ||
3bf26ce3 DP |
1857 | static void netxen_nic_handle_phy_intr(struct netxen_adapter *adapter) |
1858 | { | |
1859 | u32 val, port, linkup; | |
1860 | ||
1861 | port = adapter->physical_port; | |
1862 | ||
1863 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { | |
f98a9f69 | 1864 | val = NXRD32(adapter, CRB_XG_STATE_P3); |
3bf26ce3 DP |
1865 | val = XG_LINK_STATE_P3(adapter->ahw.pci_func, val); |
1866 | linkup = (val == XG_LINK_UP_P3); | |
1867 | } else { | |
f98a9f69 | 1868 | val = NXRD32(adapter, CRB_XG_STATE); |
3bf26ce3 DP |
1869 | if (adapter->ahw.port_type == NETXEN_NIC_GBE) |
1870 | linkup = (val >> port) & 1; | |
1871 | else { | |
1872 | val = (val >> port*8) & 0xff; | |
1873 | linkup = (val == XG_LINK_UP); | |
1874 | } | |
1875 | } | |
1876 | ||
1877 | netxen_advert_link_change(adapter, linkup); | |
1878 | } | |
1879 | ||
3d396eb1 AK |
1880 | static void netxen_tx_timeout(struct net_device *netdev) |
1881 | { | |
e424fa9d | 1882 | struct netxen_adapter *adapter = netdev_priv(netdev); |
f17443f4 | 1883 | |
6a581e93 DP |
1884 | if (test_bit(__NX_RESETTING, &adapter->state)) |
1885 | return; | |
1886 | ||
f17443f4 | 1887 | dev_err(&netdev->dev, "transmit timeout, resetting.\n"); |
e424fa9d | 1888 | schedule_work(&adapter->tx_timeout_task); |
3d396eb1 AK |
1889 | } |
1890 | ||
74c520da | 1891 | static void netxen_tx_timeout_task(struct work_struct *work) |
3d396eb1 | 1892 | { |
4790654c | 1893 | struct netxen_adapter *adapter = |
3176ff3e | 1894 | container_of(work, struct netxen_adapter, tx_timeout_task); |
3d396eb1 | 1895 | |
b2af9cb0 DP |
1896 | if (!netif_running(adapter->netdev)) |
1897 | return; | |
1898 | ||
74c520da | 1899 | if (test_and_set_bit(__NX_RESETTING, &adapter->state)) |
6a581e93 DP |
1900 | return; |
1901 | ||
74c520da AKS |
1902 | if (++adapter->tx_timeo_cnt >= NX_MAX_TX_TIMEOUTS) |
1903 | goto request_reset; | |
1904 | ||
1905 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { | |
1906 | /* try to scrub interrupt */ | |
1907 | netxen_napi_disable(adapter); | |
ba53e6b4 | 1908 | |
74c520da | 1909 | adapter->netdev->trans_start = jiffies; |
ba53e6b4 | 1910 | |
74c520da AKS |
1911 | netxen_napi_enable(adapter); |
1912 | ||
1913 | netif_wake_queue(adapter->netdev); | |
1914 | ||
a598ae17 | 1915 | clear_bit(__NX_RESETTING, &adapter->state); |
74c520da AKS |
1916 | |
1917 | } else { | |
a598ae17 | 1918 | clear_bit(__NX_RESETTING, &adapter->state); |
74c520da AKS |
1919 | if (!netxen_nic_reset_context(adapter)) { |
1920 | adapter->netdev->trans_start = jiffies; | |
a598ae17 | 1921 | return; |
74c520da AKS |
1922 | } |
1923 | ||
1924 | /* context reset failed, fall through for fw reset */ | |
1925 | } | |
1926 | ||
1927 | request_reset: | |
1928 | adapter->need_fw_reset = 1; | |
ff8a306d | 1929 | clear_bit(__NX_RESETTING, &adapter->state); |
3d396eb1 AK |
1930 | } |
1931 | ||
a97342f9 DP |
1932 | struct net_device_stats *netxen_nic_get_stats(struct net_device *netdev) |
1933 | { | |
1934 | struct netxen_adapter *adapter = netdev_priv(netdev); | |
5a4d6311 | 1935 | struct net_device_stats *stats = &netdev->stats; |
a97342f9 DP |
1936 | |
1937 | memset(stats, 0, sizeof(*stats)); | |
1938 | ||
1bb482f8 | 1939 | stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; |
e98e3350 | 1940 | stats->tx_packets = adapter->stats.xmitfinished; |
a97342f9 | 1941 | stats->rx_bytes = adapter->stats.rxbytes; |
a97342f9 | 1942 | stats->tx_bytes = adapter->stats.txbytes; |
a97342f9 | 1943 | stats->rx_dropped = adapter->stats.rxdropped; |
a97342f9 DP |
1944 | stats->tx_dropped = adapter->stats.txdropped; |
1945 | ||
1946 | return stats; | |
1947 | } | |
1948 | ||
e4c93c81 | 1949 | static irqreturn_t netxen_intr(int irq, void *data) |
3d396eb1 | 1950 | { |
d8b100c5 DP |
1951 | struct nx_host_sds_ring *sds_ring = data; |
1952 | struct netxen_adapter *adapter = sds_ring->adapter; | |
d71e1be8 DP |
1953 | u32 status = 0; |
1954 | ||
195c5f98 | 1955 | status = readl(adapter->isr_int_vec); |
d71e1be8 | 1956 | |
195c5f98 | 1957 | if (!(status & adapter->int_vec_bit)) |
05aaa02d | 1958 | return IRQ_NONE; |
e01872af | 1959 | |
195c5f98 | 1960 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { |
d71e1be8 | 1961 | /* check interrupt state machine, to be sure */ |
195c5f98 | 1962 | status = readl(adapter->crb_int_state_reg); |
d71e1be8 DP |
1963 | if (!ISR_LEGACY_INT_TRIGGERED(status)) |
1964 | return IRQ_NONE; | |
1965 | ||
092bc571 DP |
1966 | } else { |
1967 | unsigned long our_int = 0; | |
d71e1be8 | 1968 | |
195c5f98 | 1969 | our_int = readl(adapter->crb_int_state_reg); |
092bc571 | 1970 | |
d71e1be8 | 1971 | /* not our interrupt */ |
092bc571 | 1972 | if (!test_and_clear_bit((7 + adapter->portnum), &our_int)) |
d71e1be8 DP |
1973 | return IRQ_NONE; |
1974 | ||
092bc571 | 1975 | /* claim interrupt */ |
195c5f98 | 1976 | writel((our_int & 0xffffffff), adapter->crb_int_state_reg); |
e01872af | 1977 | |
195c5f98 | 1978 | /* clear interrupt */ |
d8b100c5 | 1979 | netxen_nic_disable_int(sds_ring); |
195c5f98 | 1980 | } |
092bc571 | 1981 | |
195c5f98 | 1982 | writel(0xffffffff, adapter->tgt_status_reg); |
092bc571 | 1983 | /* read twice to ensure write is flushed */ |
195c5f98 AKS |
1984 | readl(adapter->isr_int_vec); |
1985 | readl(adapter->isr_int_vec); | |
092bc571 | 1986 | |
d8b100c5 | 1987 | napi_schedule(&sds_ring->napi); |
3d396eb1 AK |
1988 | |
1989 | return IRQ_HANDLED; | |
1990 | } | |
1991 | ||
e4c93c81 | 1992 | static irqreturn_t netxen_msi_intr(int irq, void *data) |
05aaa02d | 1993 | { |
d8b100c5 DP |
1994 | struct nx_host_sds_ring *sds_ring = data; |
1995 | struct netxen_adapter *adapter = sds_ring->adapter; | |
05aaa02d | 1996 | |
092bc571 | 1997 | /* clear interrupt */ |
195c5f98 | 1998 | writel(0xffffffff, adapter->tgt_status_reg); |
092bc571 | 1999 | |
d8b100c5 | 2000 | napi_schedule(&sds_ring->napi); |
05aaa02d DP |
2001 | return IRQ_HANDLED; |
2002 | } | |
2003 | ||
b3df68f8 DP |
2004 | static irqreturn_t netxen_msix_intr(int irq, void *data) |
2005 | { | |
d8b100c5 | 2006 | struct nx_host_sds_ring *sds_ring = data; |
b3df68f8 | 2007 | |
d8b100c5 | 2008 | napi_schedule(&sds_ring->napi); |
b3df68f8 DP |
2009 | return IRQ_HANDLED; |
2010 | } | |
2011 | ||
bea3348e | 2012 | static int netxen_nic_poll(struct napi_struct *napi, int budget) |
3d396eb1 | 2013 | { |
d8b100c5 DP |
2014 | struct nx_host_sds_ring *sds_ring = |
2015 | container_of(napi, struct nx_host_sds_ring, napi); | |
2016 | ||
2017 | struct netxen_adapter *adapter = sds_ring->adapter; | |
2018 | ||
05aaa02d | 2019 | int tx_complete; |
bea3348e | 2020 | int work_done; |
3d396eb1 | 2021 | |
05aaa02d | 2022 | tx_complete = netxen_process_cmd_ring(adapter); |
3d396eb1 | 2023 | |
d8b100c5 | 2024 | work_done = netxen_process_rcv_ring(sds_ring, budget); |
3d396eb1 | 2025 | |
05aaa02d | 2026 | if ((work_done < budget) && tx_complete) { |
d8b100c5 | 2027 | napi_complete(&sds_ring->napi); |
b2af9cb0 DP |
2028 | if (netif_running(adapter->netdev)) |
2029 | netxen_nic_enable_int(sds_ring); | |
3d396eb1 AK |
2030 | } |
2031 | ||
bea3348e | 2032 | return work_done; |
3d396eb1 AK |
2033 | } |
2034 | ||
2035 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
2036 | static void netxen_nic_poll_controller(struct net_device *netdev) | |
2037 | { | |
3176ff3e | 2038 | struct netxen_adapter *adapter = netdev_priv(netdev); |
3d396eb1 | 2039 | disable_irq(adapter->irq); |
1494a814 | 2040 | netxen_intr(adapter->irq, adapter); |
3d396eb1 AK |
2041 | enable_irq(adapter->irq); |
2042 | } | |
2043 | #endif | |
3d396eb1 | 2044 | |
6a581e93 DP |
2045 | static int |
2046 | nx_incr_dev_ref_cnt(struct netxen_adapter *adapter) | |
2047 | { | |
2048 | int count; | |
2049 | if (netxen_api_lock(adapter)) | |
2050 | return -EIO; | |
2051 | ||
2052 | count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT); | |
2053 | ||
2054 | NXWR32(adapter, NX_CRB_DEV_REF_COUNT, ++count); | |
2055 | ||
2056 | netxen_api_unlock(adapter); | |
2057 | return count; | |
2058 | } | |
2059 | ||
2060 | static int | |
2061 | nx_decr_dev_ref_cnt(struct netxen_adapter *adapter) | |
2062 | { | |
2063 | int count; | |
2064 | if (netxen_api_lock(adapter)) | |
2065 | return -EIO; | |
2066 | ||
2067 | count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT); | |
2068 | WARN_ON(count == 0); | |
2069 | ||
2070 | NXWR32(adapter, NX_CRB_DEV_REF_COUNT, --count); | |
2071 | ||
2072 | if (count == 0) | |
2073 | NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_COLD); | |
2074 | ||
2075 | netxen_api_unlock(adapter); | |
2076 | return count; | |
2077 | } | |
2078 | ||
74c520da AKS |
2079 | static void |
2080 | nx_dev_request_reset(struct netxen_adapter *adapter) | |
2081 | { | |
2082 | u32 state; | |
2083 | ||
2084 | if (netxen_api_lock(adapter)) | |
2085 | return; | |
2086 | ||
2087 | state = NXRD32(adapter, NX_CRB_DEV_STATE); | |
2088 | ||
2089 | if (state != NX_DEV_INITALIZING) | |
2090 | NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_NEED_RESET); | |
2091 | ||
2092 | netxen_api_unlock(adapter); | |
2093 | } | |
2094 | ||
6a581e93 DP |
2095 | static int |
2096 | netxen_can_start_firmware(struct netxen_adapter *adapter) | |
2097 | { | |
2098 | int count; | |
2099 | int can_start = 0; | |
2100 | ||
2101 | if (netxen_api_lock(adapter)) | |
2102 | return 0; | |
2103 | ||
2104 | count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT); | |
2105 | ||
2106 | if ((count < 0) || (count >= NX_MAX_PCI_FUNC)) | |
2107 | count = 0; | |
2108 | ||
2109 | if (count == 0) { | |
2110 | can_start = 1; | |
2111 | NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_INITALIZING); | |
2112 | } | |
2113 | ||
2114 | NXWR32(adapter, NX_CRB_DEV_REF_COUNT, ++count); | |
2115 | ||
2116 | netxen_api_unlock(adapter); | |
2117 | ||
2118 | return can_start; | |
2119 | } | |
2120 | ||
2121 | static void | |
2122 | netxen_schedule_work(struct netxen_adapter *adapter, | |
2123 | work_func_t func, int delay) | |
2124 | { | |
2125 | INIT_DELAYED_WORK(&adapter->fw_work, func); | |
2126 | schedule_delayed_work(&adapter->fw_work, delay); | |
2127 | } | |
2128 | ||
2129 | static void | |
2130 | netxen_cancel_fw_work(struct netxen_adapter *adapter) | |
2131 | { | |
2132 | while (test_and_set_bit(__NX_RESETTING, &adapter->state)) | |
2133 | msleep(10); | |
2134 | ||
2135 | cancel_delayed_work_sync(&adapter->fw_work); | |
2136 | } | |
2137 | ||
2138 | static void | |
2139 | netxen_attach_work(struct work_struct *work) | |
2140 | { | |
2141 | struct netxen_adapter *adapter = container_of(work, | |
2142 | struct netxen_adapter, fw_work.work); | |
2143 | struct net_device *netdev = adapter->netdev; | |
2144 | int err = 0; | |
2145 | ||
2146 | if (netif_running(netdev)) { | |
2147 | err = netxen_nic_attach(adapter); | |
2148 | if (err) | |
2149 | goto done; | |
2150 | ||
2151 | err = netxen_nic_up(adapter, netdev); | |
2152 | if (err) { | |
2153 | netxen_nic_detach(adapter); | |
2154 | goto done; | |
2155 | } | |
2156 | ||
d0725e4d | 2157 | netxen_config_indev_addr(netdev, NETDEV_UP); |
6a581e93 DP |
2158 | } |
2159 | ||
2160 | netif_device_attach(netdev); | |
2161 | ||
2162 | done: | |
2163 | adapter->fw_fail_cnt = 0; | |
2164 | clear_bit(__NX_RESETTING, &adapter->state); | |
2165 | netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY); | |
2166 | } | |
2167 | ||
2168 | static void | |
2169 | netxen_fwinit_work(struct work_struct *work) | |
2170 | { | |
2171 | struct netxen_adapter *adapter = container_of(work, | |
2172 | struct netxen_adapter, fw_work.work); | |
2173 | int dev_state; | |
2174 | ||
2175 | dev_state = NXRD32(adapter, NX_CRB_DEV_STATE); | |
2176 | ||
2177 | switch (dev_state) { | |
2178 | case NX_DEV_COLD: | |
2179 | case NX_DEV_READY: | |
74c520da AKS |
2180 | if (!netxen_start_firmware(adapter)) { |
2181 | netxen_schedule_work(adapter, netxen_attach_work, 0); | |
2182 | return; | |
2183 | } | |
2184 | break; | |
6a581e93 DP |
2185 | |
2186 | case NX_DEV_INITALIZING: | |
2187 | if (++adapter->fw_wait_cnt < FW_POLL_THRESH) { | |
2188 | netxen_schedule_work(adapter, | |
2189 | netxen_fwinit_work, 2 * FW_POLL_DELAY); | |
2190 | return; | |
2191 | } | |
2192 | break; | |
2193 | ||
2194 | case NX_DEV_FAILED: | |
2195 | default: | |
2196 | break; | |
2197 | } | |
2198 | ||
2199 | nx_incr_dev_ref_cnt(adapter); | |
2200 | clear_bit(__NX_RESETTING, &adapter->state); | |
2201 | } | |
2202 | ||
2203 | static void | |
2204 | netxen_detach_work(struct work_struct *work) | |
2205 | { | |
2206 | struct netxen_adapter *adapter = container_of(work, | |
2207 | struct netxen_adapter, fw_work.work); | |
2208 | struct net_device *netdev = adapter->netdev; | |
2209 | int ref_cnt, delay; | |
2210 | u32 status; | |
2211 | ||
2212 | netif_device_detach(netdev); | |
2213 | ||
2214 | if (netif_running(netdev)) | |
2215 | netxen_nic_down(adapter, netdev); | |
2216 | ||
2217 | netxen_nic_detach(adapter); | |
2218 | ||
2219 | status = NXRD32(adapter, NETXEN_PEG_HALT_STATUS1); | |
2220 | ||
2221 | ref_cnt = nx_decr_dev_ref_cnt(adapter); | |
2222 | ||
2223 | if (status & NX_RCODE_FATAL_ERROR) | |
2224 | return; | |
2225 | ||
2226 | if (adapter->temp == NX_TEMP_PANIC) | |
2227 | return; | |
2228 | ||
2229 | delay = (ref_cnt == 0) ? 0 : (2 * FW_POLL_DELAY); | |
2230 | ||
2231 | adapter->fw_wait_cnt = 0; | |
2232 | netxen_schedule_work(adapter, netxen_fwinit_work, delay); | |
2233 | } | |
2234 | ||
2235 | static int | |
2236 | netxen_check_health(struct netxen_adapter *adapter) | |
2237 | { | |
2238 | u32 state, heartbit; | |
2239 | struct net_device *netdev = adapter->netdev; | |
2240 | ||
2241 | if (netxen_nic_check_temp(adapter)) | |
2242 | goto detach; | |
2243 | ||
74c520da AKS |
2244 | if (adapter->need_fw_reset) { |
2245 | nx_dev_request_reset(adapter); | |
2246 | goto detach; | |
2247 | } | |
2248 | ||
6a581e93 DP |
2249 | state = NXRD32(adapter, NX_CRB_DEV_STATE); |
2250 | if (state == NX_DEV_NEED_RESET) | |
2251 | goto detach; | |
2252 | ||
2253 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) | |
2254 | return 0; | |
2255 | ||
2256 | heartbit = NXRD32(adapter, NETXEN_PEG_ALIVE_COUNTER); | |
2257 | if (heartbit != adapter->heartbit) { | |
2258 | adapter->heartbit = heartbit; | |
2259 | adapter->fw_fail_cnt = 0; | |
2260 | return 0; | |
2261 | } | |
2262 | ||
2263 | if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) | |
2264 | return 0; | |
2265 | ||
2266 | clear_bit(__NX_FW_ATTACHED, &adapter->state); | |
2267 | ||
2268 | dev_info(&netdev->dev, "firmware hang detected\n"); | |
2269 | ||
2270 | detach: | |
caa2dd53 NK |
2271 | if ((auto_fw_reset == AUTO_FW_RESET_ENABLED) && |
2272 | !test_and_set_bit(__NX_RESETTING, &adapter->state)) | |
6a581e93 DP |
2273 | netxen_schedule_work(adapter, netxen_detach_work, 0); |
2274 | return 1; | |
2275 | } | |
2276 | ||
2277 | static void | |
2278 | netxen_fw_poll_work(struct work_struct *work) | |
2279 | { | |
2280 | struct netxen_adapter *adapter = container_of(work, | |
2281 | struct netxen_adapter, fw_work.work); | |
2282 | ||
2283 | if (test_bit(__NX_RESETTING, &adapter->state)) | |
2284 | goto reschedule; | |
2285 | ||
2286 | if (test_bit(__NX_DEV_UP, &adapter->state)) { | |
2287 | if (!adapter->has_link_events) { | |
2288 | ||
2289 | netxen_nic_handle_phy_intr(adapter); | |
2290 | ||
2291 | if (adapter->link_changed) | |
2292 | netxen_nic_set_link_parameters(adapter); | |
2293 | } | |
2294 | } | |
2295 | ||
2296 | if (netxen_check_health(adapter)) | |
2297 | return; | |
2298 | ||
2299 | reschedule: | |
2300 | netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY); | |
2301 | } | |
2302 | ||
fa3ce355 NK |
2303 | static ssize_t |
2304 | netxen_store_bridged_mode(struct device *dev, | |
2305 | struct device_attribute *attr, const char *buf, size_t len) | |
2306 | { | |
2307 | struct net_device *net = to_net_dev(dev); | |
2308 | struct netxen_adapter *adapter = netdev_priv(net); | |
2309 | unsigned long new; | |
2310 | int ret = -EINVAL; | |
2311 | ||
2312 | if (!(adapter->capabilities & NX_FW_CAPABILITY_BDG)) | |
2313 | goto err_out; | |
2314 | ||
2315 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) | |
2316 | goto err_out; | |
2317 | ||
2318 | if (strict_strtoul(buf, 2, &new)) | |
2319 | goto err_out; | |
2320 | ||
2321 | if (!netxen_config_bridged_mode(adapter, !!new)) | |
2322 | ret = len; | |
2323 | ||
2324 | err_out: | |
2325 | return ret; | |
2326 | } | |
2327 | ||
2328 | static ssize_t | |
2329 | netxen_show_bridged_mode(struct device *dev, | |
2330 | struct device_attribute *attr, char *buf) | |
2331 | { | |
2332 | struct net_device *net = to_net_dev(dev); | |
2333 | struct netxen_adapter *adapter; | |
2334 | int bridged_mode = 0; | |
2335 | ||
2336 | adapter = netdev_priv(net); | |
2337 | ||
2338 | if (adapter->capabilities & NX_FW_CAPABILITY_BDG) | |
2339 | bridged_mode = !!(adapter->flags & NETXEN_NIC_BRIDGE_ENABLED); | |
2340 | ||
2341 | return sprintf(buf, "%d\n", bridged_mode); | |
2342 | } | |
2343 | ||
2344 | static struct device_attribute dev_attr_bridged_mode = { | |
2345 | .attr = {.name = "bridged_mode", .mode = (S_IRUGO | S_IWUSR)}, | |
2346 | .show = netxen_show_bridged_mode, | |
2347 | .store = netxen_store_bridged_mode, | |
2348 | }; | |
2349 | ||
70f9cf89 DP |
2350 | static ssize_t |
2351 | netxen_store_diag_mode(struct device *dev, | |
2352 | struct device_attribute *attr, const char *buf, size_t len) | |
2353 | { | |
2354 | struct netxen_adapter *adapter = dev_get_drvdata(dev); | |
2355 | unsigned long new; | |
2356 | ||
2357 | if (strict_strtoul(buf, 2, &new)) | |
2358 | return -EINVAL; | |
2359 | ||
2360 | if (!!new != !!(adapter->flags & NETXEN_NIC_DIAG_ENABLED)) | |
2361 | adapter->flags ^= NETXEN_NIC_DIAG_ENABLED; | |
2362 | ||
2363 | return len; | |
2364 | } | |
2365 | ||
2366 | static ssize_t | |
2367 | netxen_show_diag_mode(struct device *dev, | |
2368 | struct device_attribute *attr, char *buf) | |
2369 | { | |
2370 | struct netxen_adapter *adapter = dev_get_drvdata(dev); | |
2371 | ||
2372 | return sprintf(buf, "%d\n", | |
2373 | !!(adapter->flags & NETXEN_NIC_DIAG_ENABLED)); | |
2374 | } | |
2375 | ||
2376 | static struct device_attribute dev_attr_diag_mode = { | |
2377 | .attr = {.name = "diag_mode", .mode = (S_IRUGO | S_IWUSR)}, | |
2378 | .show = netxen_show_diag_mode, | |
2379 | .store = netxen_store_diag_mode, | |
2380 | }; | |
2381 | ||
2382 | static int | |
2383 | netxen_sysfs_validate_crb(struct netxen_adapter *adapter, | |
2384 | loff_t offset, size_t size) | |
2385 | { | |
2386 | if (!(adapter->flags & NETXEN_NIC_DIAG_ENABLED)) | |
2387 | return -EIO; | |
2388 | ||
2389 | if ((size != 4) || (offset & 0x3)) | |
2390 | return -EINVAL; | |
2391 | ||
2392 | if (offset < NETXEN_PCI_CRBSPACE) | |
2393 | return -EINVAL; | |
2394 | ||
2395 | return 0; | |
2396 | } | |
2397 | ||
2398 | static ssize_t | |
2399 | netxen_sysfs_read_crb(struct kobject *kobj, struct bin_attribute *attr, | |
2400 | char *buf, loff_t offset, size_t size) | |
2401 | { | |
2402 | struct device *dev = container_of(kobj, struct device, kobj); | |
2403 | struct netxen_adapter *adapter = dev_get_drvdata(dev); | |
2404 | u32 data; | |
2405 | int ret; | |
2406 | ||
2407 | ret = netxen_sysfs_validate_crb(adapter, offset, size); | |
2408 | if (ret != 0) | |
2409 | return ret; | |
2410 | ||
2411 | data = NXRD32(adapter, offset); | |
2412 | memcpy(buf, &data, size); | |
2413 | return size; | |
2414 | } | |
2415 | ||
2416 | static ssize_t | |
2417 | netxen_sysfs_write_crb(struct kobject *kobj, struct bin_attribute *attr, | |
2418 | char *buf, loff_t offset, size_t size) | |
2419 | { | |
2420 | struct device *dev = container_of(kobj, struct device, kobj); | |
2421 | struct netxen_adapter *adapter = dev_get_drvdata(dev); | |
2422 | u32 data; | |
2423 | int ret; | |
2424 | ||
2425 | ret = netxen_sysfs_validate_crb(adapter, offset, size); | |
2426 | if (ret != 0) | |
2427 | return ret; | |
2428 | ||
2429 | memcpy(&data, buf, size); | |
2430 | NXWR32(adapter, offset, data); | |
2431 | return size; | |
2432 | } | |
2433 | ||
2434 | static int | |
2435 | netxen_sysfs_validate_mem(struct netxen_adapter *adapter, | |
2436 | loff_t offset, size_t size) | |
2437 | { | |
2438 | if (!(adapter->flags & NETXEN_NIC_DIAG_ENABLED)) | |
2439 | return -EIO; | |
2440 | ||
2441 | if ((size != 8) || (offset & 0x7)) | |
2442 | return -EIO; | |
2443 | ||
2444 | return 0; | |
2445 | } | |
2446 | ||
2447 | static ssize_t | |
2448 | netxen_sysfs_read_mem(struct kobject *kobj, struct bin_attribute *attr, | |
2449 | char *buf, loff_t offset, size_t size) | |
2450 | { | |
2451 | struct device *dev = container_of(kobj, struct device, kobj); | |
2452 | struct netxen_adapter *adapter = dev_get_drvdata(dev); | |
2453 | u64 data; | |
2454 | int ret; | |
2455 | ||
2456 | ret = netxen_sysfs_validate_mem(adapter, offset, size); | |
2457 | if (ret != 0) | |
2458 | return ret; | |
2459 | ||
2460 | if (adapter->pci_mem_read(adapter, offset, &data)) | |
2461 | return -EIO; | |
2462 | ||
2463 | memcpy(buf, &data, size); | |
2464 | ||
2465 | return size; | |
2466 | } | |
2467 | ||
2468 | ssize_t netxen_sysfs_write_mem(struct kobject *kobj, | |
2469 | struct bin_attribute *attr, char *buf, | |
2470 | loff_t offset, size_t size) | |
2471 | { | |
2472 | struct device *dev = container_of(kobj, struct device, kobj); | |
2473 | struct netxen_adapter *adapter = dev_get_drvdata(dev); | |
2474 | u64 data; | |
2475 | int ret; | |
2476 | ||
2477 | ret = netxen_sysfs_validate_mem(adapter, offset, size); | |
2478 | if (ret != 0) | |
2479 | return ret; | |
2480 | ||
2481 | memcpy(&data, buf, size); | |
2482 | ||
2483 | if (adapter->pci_mem_write(adapter, offset, data)) | |
2484 | return -EIO; | |
2485 | ||
2486 | return size; | |
2487 | } | |
2488 | ||
2489 | ||
2490 | static struct bin_attribute bin_attr_crb = { | |
2491 | .attr = {.name = "crb", .mode = (S_IRUGO | S_IWUSR)}, | |
2492 | .size = 0, | |
2493 | .read = netxen_sysfs_read_crb, | |
2494 | .write = netxen_sysfs_write_crb, | |
2495 | }; | |
2496 | ||
2497 | static struct bin_attribute bin_attr_mem = { | |
2498 | .attr = {.name = "mem", .mode = (S_IRUGO | S_IWUSR)}, | |
2499 | .size = 0, | |
2500 | .read = netxen_sysfs_read_mem, | |
2501 | .write = netxen_sysfs_write_mem, | |
2502 | }; | |
2503 | ||
0531d7b8 | 2504 | #ifdef CONFIG_MODULES |
caa2dd53 NK |
2505 | static ssize_t |
2506 | netxen_store_auto_fw_reset(struct module_attribute *mattr, | |
2507 | struct module *mod, const char *buf, size_t count) | |
2508 | ||
2509 | { | |
2510 | unsigned long new; | |
2511 | ||
2512 | if (strict_strtoul(buf, 16, &new)) | |
2513 | return -EINVAL; | |
2514 | ||
2515 | if ((new == AUTO_FW_RESET_ENABLED) || (new == AUTO_FW_RESET_DISABLED)) { | |
2516 | auto_fw_reset = new; | |
2517 | return count; | |
2518 | } | |
2519 | ||
2520 | return -EINVAL; | |
2521 | } | |
2522 | ||
2523 | static ssize_t | |
2524 | netxen_show_auto_fw_reset(struct module_attribute *mattr, | |
2525 | struct module *mod, char *buf) | |
2526 | ||
2527 | { | |
2528 | if (auto_fw_reset == AUTO_FW_RESET_ENABLED) | |
2529 | return sprintf(buf, "enabled\n"); | |
2530 | else | |
2531 | return sprintf(buf, "disabled\n"); | |
2532 | } | |
2533 | ||
2534 | static struct module_attribute mod_attr_fw_reset = { | |
2535 | .attr = {.name = "auto_fw_reset", .mode = (S_IRUGO | S_IWUSR)}, | |
2536 | .show = netxen_show_auto_fw_reset, | |
2537 | .store = netxen_store_auto_fw_reset, | |
2538 | }; | |
0531d7b8 | 2539 | #endif |
caa2dd53 | 2540 | |
fa3ce355 NK |
2541 | static void |
2542 | netxen_create_sysfs_entries(struct netxen_adapter *adapter) | |
2543 | { | |
2544 | struct net_device *netdev = adapter->netdev; | |
2545 | struct device *dev = &netdev->dev; | |
2546 | ||
2547 | if (adapter->capabilities & NX_FW_CAPABILITY_BDG) { | |
2548 | /* bridged_mode control */ | |
2549 | if (device_create_file(dev, &dev_attr_bridged_mode)) { | |
2550 | dev_warn(&netdev->dev, | |
2551 | "failed to create bridged_mode sysfs entry\n"); | |
2552 | } | |
2553 | } | |
2554 | } | |
2555 | ||
2556 | static void | |
2557 | netxen_remove_sysfs_entries(struct netxen_adapter *adapter) | |
2558 | { | |
2559 | struct net_device *netdev = adapter->netdev; | |
2560 | struct device *dev = &netdev->dev; | |
2561 | ||
2562 | if (adapter->capabilities & NX_FW_CAPABILITY_BDG) | |
2563 | device_remove_file(dev, &dev_attr_bridged_mode); | |
2564 | } | |
2565 | ||
70f9cf89 DP |
2566 | static void |
2567 | netxen_create_diag_entries(struct netxen_adapter *adapter) | |
2568 | { | |
2569 | struct pci_dev *pdev = adapter->pdev; | |
2570 | struct device *dev; | |
2571 | ||
2572 | dev = &pdev->dev; | |
2573 | if (device_create_file(dev, &dev_attr_diag_mode)) | |
2574 | dev_info(dev, "failed to create diag_mode sysfs entry\n"); | |
2575 | if (device_create_bin_file(dev, &bin_attr_crb)) | |
2576 | dev_info(dev, "failed to create crb sysfs entry\n"); | |
2577 | if (device_create_bin_file(dev, &bin_attr_mem)) | |
2578 | dev_info(dev, "failed to create mem sysfs entry\n"); | |
2579 | } | |
2580 | ||
2581 | ||
2582 | static void | |
2583 | netxen_remove_diag_entries(struct netxen_adapter *adapter) | |
2584 | { | |
2585 | struct pci_dev *pdev = adapter->pdev; | |
2586 | struct device *dev = &pdev->dev; | |
2587 | ||
2588 | device_remove_file(dev, &dev_attr_diag_mode); | |
2589 | device_remove_bin_file(dev, &bin_attr_crb); | |
2590 | device_remove_bin_file(dev, &bin_attr_mem); | |
2591 | } | |
2592 | ||
044824d9 DP |
2593 | #ifdef CONFIG_INET |
2594 | ||
6598b169 DP |
2595 | #define is_netxen_netdev(dev) (dev->netdev_ops == &netxen_netdev_ops) |
2596 | ||
2597 | static int | |
2598 | netxen_destip_supported(struct netxen_adapter *adapter) | |
2599 | { | |
2600 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) | |
2601 | return 0; | |
2602 | ||
2603 | if (adapter->ahw.cut_through) | |
2604 | return 0; | |
2605 | ||
2606 | return 1; | |
2607 | } | |
2608 | ||
d0725e4d AKS |
2609 | static void |
2610 | netxen_config_indev_addr(struct net_device *dev, unsigned long event) | |
2611 | { | |
2612 | struct in_device *indev; | |
2613 | struct netxen_adapter *adapter = netdev_priv(dev); | |
2614 | ||
3db76755 | 2615 | if (!netxen_destip_supported(adapter)) |
d0725e4d AKS |
2616 | return; |
2617 | ||
2618 | indev = in_dev_get(dev); | |
2619 | if (!indev) | |
2620 | return; | |
2621 | ||
2622 | for_ifa(indev) { | |
2623 | switch (event) { | |
2624 | case NETDEV_UP: | |
2625 | netxen_config_ipaddr(adapter, | |
2626 | ifa->ifa_address, NX_IP_UP); | |
2627 | break; | |
2628 | case NETDEV_DOWN: | |
2629 | netxen_config_ipaddr(adapter, | |
2630 | ifa->ifa_address, NX_IP_DOWN); | |
2631 | break; | |
2632 | default: | |
2633 | break; | |
2634 | } | |
2635 | } endfor_ifa(indev); | |
2636 | ||
2637 | in_dev_put(indev); | |
2638 | return; | |
2639 | } | |
2640 | ||
6598b169 DP |
2641 | static int netxen_netdev_event(struct notifier_block *this, |
2642 | unsigned long event, void *ptr) | |
2643 | { | |
2644 | struct netxen_adapter *adapter; | |
2645 | struct net_device *dev = (struct net_device *)ptr; | |
6598b169 DP |
2646 | |
2647 | recheck: | |
2648 | if (dev == NULL) | |
2649 | goto done; | |
2650 | ||
2651 | if (dev->priv_flags & IFF_802_1Q_VLAN) { | |
2652 | dev = vlan_dev_real_dev(dev); | |
2653 | goto recheck; | |
2654 | } | |
2655 | ||
2656 | if (!is_netxen_netdev(dev)) | |
2657 | goto done; | |
2658 | ||
2659 | adapter = netdev_priv(dev); | |
2660 | ||
d0725e4d | 2661 | if (!adapter) |
6598b169 DP |
2662 | goto done; |
2663 | ||
2664 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) | |
2665 | goto done; | |
2666 | ||
d0725e4d | 2667 | netxen_config_indev_addr(dev, event); |
6598b169 DP |
2668 | done: |
2669 | return NOTIFY_DONE; | |
2670 | } | |
2671 | ||
2672 | static int | |
2673 | netxen_inetaddr_event(struct notifier_block *this, | |
2674 | unsigned long event, void *ptr) | |
2675 | { | |
2676 | struct netxen_adapter *adapter; | |
2677 | struct net_device *dev; | |
2678 | ||
2679 | struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; | |
2680 | ||
2681 | dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; | |
2682 | ||
2683 | recheck: | |
2684 | if (dev == NULL || !netif_running(dev)) | |
2685 | goto done; | |
2686 | ||
2687 | if (dev->priv_flags & IFF_802_1Q_VLAN) { | |
2688 | dev = vlan_dev_real_dev(dev); | |
2689 | goto recheck; | |
2690 | } | |
2691 | ||
2692 | if (!is_netxen_netdev(dev)) | |
2693 | goto done; | |
2694 | ||
2695 | adapter = netdev_priv(dev); | |
2696 | ||
2697 | if (!adapter || !netxen_destip_supported(adapter)) | |
2698 | goto done; | |
2699 | ||
2700 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) | |
2701 | goto done; | |
2702 | ||
2703 | switch (event) { | |
2704 | case NETDEV_UP: | |
2705 | netxen_config_ipaddr(adapter, ifa->ifa_address, NX_IP_UP); | |
2706 | break; | |
2707 | case NETDEV_DOWN: | |
2708 | netxen_config_ipaddr(adapter, ifa->ifa_address, NX_IP_DOWN); | |
2709 | break; | |
2710 | default: | |
2711 | break; | |
2712 | } | |
2713 | ||
2714 | done: | |
2715 | return NOTIFY_DONE; | |
2716 | } | |
2717 | ||
2718 | static struct notifier_block netxen_netdev_cb = { | |
2719 | .notifier_call = netxen_netdev_event, | |
2720 | }; | |
2721 | ||
2722 | static struct notifier_block netxen_inetaddr_cb = { | |
2723 | .notifier_call = netxen_inetaddr_event, | |
2724 | }; | |
9feae56c RD |
2725 | #else |
2726 | static void | |
2727 | netxen_config_indev_addr(struct net_device *dev, unsigned long event) | |
2728 | { } | |
044824d9 | 2729 | #endif |
6598b169 | 2730 | |
3d396eb1 AK |
2731 | static struct pci_driver netxen_driver = { |
2732 | .name = netxen_nic_driver_name, | |
2733 | .id_table = netxen_pci_tbl, | |
2734 | .probe = netxen_nic_probe, | |
0b72e659 | 2735 | .remove = __devexit_p(netxen_nic_remove), |
01542cd1 | 2736 | #ifdef CONFIG_PM |
0b72e659 | 2737 | .suspend = netxen_nic_suspend, |
22b5794b | 2738 | .resume = netxen_nic_resume, |
01542cd1 | 2739 | #endif |
22b5794b | 2740 | .shutdown = netxen_nic_shutdown |
3d396eb1 AK |
2741 | }; |
2742 | ||
3d396eb1 AK |
2743 | static int __init netxen_init_module(void) |
2744 | { | |
0531d7b8 | 2745 | #ifdef CONFIG_MODULES |
caa2dd53 | 2746 | struct module *mod = THIS_MODULE; |
0531d7b8 | 2747 | #endif |
caa2dd53 | 2748 | |
ff4fbd43 DP |
2749 | printk(KERN_INFO "%s\n", netxen_nic_driver_string); |
2750 | ||
044824d9 | 2751 | #ifdef CONFIG_INET |
6598b169 DP |
2752 | register_netdevice_notifier(&netxen_netdev_cb); |
2753 | register_inetaddr_notifier(&netxen_inetaddr_cb); | |
044824d9 | 2754 | #endif |
6598b169 | 2755 | |
0531d7b8 | 2756 | #ifdef CONFIG_MODULES |
caa2dd53 NK |
2757 | if (sysfs_create_file(&mod->mkobj.kobj, &mod_attr_fw_reset.attr)) |
2758 | printk(KERN_ERR "%s: Failed to create auto_fw_reset " | |
2759 | "sysfs entry.", netxen_nic_driver_name); | |
0531d7b8 | 2760 | #endif |
caa2dd53 | 2761 | |
184231bd | 2762 | return pci_register_driver(&netxen_driver); |
3d396eb1 AK |
2763 | } |
2764 | ||
2765 | module_init(netxen_init_module); | |
2766 | ||
2767 | static void __exit netxen_exit_module(void) | |
2768 | { | |
0531d7b8 | 2769 | #ifdef CONFIG_MODULES |
caa2dd53 NK |
2770 | struct module *mod = THIS_MODULE; |
2771 | ||
2772 | sysfs_remove_file(&mod->mkobj.kobj, &mod_attr_fw_reset.attr); | |
0531d7b8 | 2773 | #endif |
caa2dd53 | 2774 | |
3d396eb1 | 2775 | pci_unregister_driver(&netxen_driver); |
6598b169 | 2776 | |
044824d9 | 2777 | #ifdef CONFIG_INET |
6598b169 DP |
2778 | unregister_inetaddr_notifier(&netxen_inetaddr_cb); |
2779 | unregister_netdevice_notifier(&netxen_netdev_cb); | |
044824d9 | 2780 | #endif |
3d396eb1 AK |
2781 | } |
2782 | ||
2783 | module_exit(netxen_exit_module); |