Commit | Line | Data |
---|---|---|
3d396eb1 | 1 | /* |
5d242f1c | 2 | * Copyright (C) 2003 - 2009 NetXen, Inc. |
13af7a6e | 3 | * Copyright (C) 2009 - QLogic Corporation. |
3d396eb1 | 4 | * All rights reserved. |
80922fbc | 5 | * |
3d396eb1 AK |
6 | * This program is free software; you can redistribute it and/or |
7 | * modify it under the terms of the GNU General Public License | |
8 | * as published by the Free Software Foundation; either version 2 | |
9 | * of the License, or (at your option) any later version. | |
80922fbc | 10 | * |
3d396eb1 AK |
11 | * This program is distributed in the hope that it will be useful, but |
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
80922fbc | 15 | * |
3d396eb1 | 16 | * You should have received a copy of the GNU General Public License |
0ab75ae8 | 17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
80922fbc | 18 | * |
3d396eb1 | 19 | * The full GNU General Public License is included in this distribution |
4d21fef4 | 20 | * in the file called "COPYING". |
80922fbc | 21 | * |
3d396eb1 AK |
22 | */ |
23 | ||
5a0e3ad6 | 24 | #include <linux/slab.h> |
cb8011ad | 25 | #include <linux/vmalloc.h> |
e98e3350 | 26 | #include <linux/interrupt.h> |
3d396eb1 AK |
27 | #include "netxen_nic_hw.h" |
28 | ||
29 | #include "netxen_nic.h" | |
3d396eb1 | 30 | |
1494a814 | 31 | #include <linux/dma-mapping.h> |
391587c3 | 32 | #include <linux/if_vlan.h> |
c9bdd4b5 | 33 | #include <net/ip.h> |
00977784 | 34 | #include <linux/ipv6.h> |
6598b169 | 35 | #include <linux/inetdevice.h> |
0531d7b8 | 36 | #include <linux/sysfs.h> |
e87ad553 | 37 | #include <linux/aer.h> |
1494a814 | 38 | |
0438a1b2 | 39 | MODULE_DESCRIPTION("QLogic/NetXen (1/10) GbE Intelligent Ethernet Driver"); |
3d396eb1 AK |
40 | MODULE_LICENSE("GPL"); |
41 | MODULE_VERSION(NETXEN_NIC_LINUX_VERSIONID); | |
7e8e5d97 | 42 | MODULE_FIRMWARE(NX_UNIFIED_ROMIMAGE_NAME); |
3d396eb1 | 43 | |
ceded32f | 44 | char netxen_nic_driver_name[] = "netxen_nic"; |
c25c0b9b | 45 | static char netxen_nic_driver_string[] = "QLogic/NetXen Network Driver v" |
cb8011ad | 46 | NETXEN_NIC_LINUX_VERSIONID; |
3d396eb1 | 47 | |
2956640d DP |
48 | static int port_mode = NETXEN_PORT_MODE_AUTO_NEG; |
49 | ||
50 | /* Default to restricted 1G auto-neg mode */ | |
51 | static int wol_port_mode = 5; | |
52 | ||
53 | static int use_msi = 1; | |
54 | ||
55 | static int use_msi_x = 1; | |
56 | ||
afdafff1 SH |
57 | static int auto_fw_reset = AUTO_FW_RESET_ENABLED; |
58 | module_param(auto_fw_reset, int, 0644); | |
59 | MODULE_PARM_DESC(auto_fw_reset,"Auto firmware reset (0=disabled, 1=enabled"); | |
caa2dd53 | 60 | |
c3f9c88c | 61 | static int netxen_nic_probe(struct pci_dev *pdev, |
2956640d | 62 | const struct pci_device_id *ent); |
c3f9c88c | 63 | static void netxen_nic_remove(struct pci_dev *pdev); |
3d396eb1 AK |
64 | static int netxen_nic_open(struct net_device *netdev); |
65 | static int netxen_nic_close(struct net_device *netdev); | |
61357325 SH |
66 | static netdev_tx_t netxen_nic_xmit_frame(struct sk_buff *, |
67 | struct net_device *); | |
3d396eb1 | 68 | static void netxen_tx_timeout(struct net_device *netdev); |
74c520da | 69 | static void netxen_tx_timeout_task(struct work_struct *work); |
6a581e93 DP |
70 | static void netxen_fw_poll_work(struct work_struct *work); |
71 | static void netxen_schedule_work(struct netxen_adapter *adapter, | |
72 | work_func_t func, int delay); | |
73 | static void netxen_cancel_fw_work(struct netxen_adapter *adapter); | |
bea3348e | 74 | static int netxen_nic_poll(struct napi_struct *napi, int budget); |
3d396eb1 AK |
75 | #ifdef CONFIG_NET_POLL_CONTROLLER |
76 | static void netxen_nic_poll_controller(struct net_device *netdev); | |
77 | #endif | |
fa3ce355 NK |
78 | |
79 | static void netxen_create_sysfs_entries(struct netxen_adapter *adapter); | |
80 | static void netxen_remove_sysfs_entries(struct netxen_adapter *adapter); | |
70f9cf89 DP |
81 | static void netxen_create_diag_entries(struct netxen_adapter *adapter); |
82 | static void netxen_remove_diag_entries(struct netxen_adapter *adapter); | |
e87ad553 | 83 | static int nx_dev_request_aer(struct netxen_adapter *adapter); |
6a581e93 DP |
84 | static int nx_decr_dev_ref_cnt(struct netxen_adapter *adapter); |
85 | static int netxen_can_start_firmware(struct netxen_adapter *adapter); | |
86 | ||
1494a814 | 87 | static irqreturn_t netxen_intr(int irq, void *data); |
05aaa02d | 88 | static irqreturn_t netxen_msi_intr(int irq, void *data); |
b3df68f8 | 89 | static irqreturn_t netxen_msix_intr(int irq, void *data); |
3d396eb1 | 90 | |
8a7fbfab | 91 | static void netxen_free_ip_list(struct netxen_adapter *, bool); |
57569d0e | 92 | static void netxen_restore_indev_addr(struct net_device *dev, unsigned long); |
47fd428c | 93 | static struct rtnl_link_stats64 *netxen_nic_get_stats(struct net_device *dev, |
94 | struct rtnl_link_stats64 *stats); | |
7e12bb0a | 95 | static int netxen_nic_set_mac(struct net_device *netdev, void *p); |
d0725e4d | 96 | |
3d396eb1 | 97 | /* PCI Device ID Table */ |
70081ac5 | 98 | #define ENTRY(device) \ |
040dec3b | 99 | {PCI_DEVICE(PCI_VENDOR_ID_NETXEN, (device)), \ |
70081ac5 AV |
100 | .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0} |
101 | ||
9baa3c34 | 102 | static const struct pci_device_id netxen_pci_tbl[] = { |
040dec3b DP |
103 | ENTRY(PCI_DEVICE_ID_NX2031_10GXSR), |
104 | ENTRY(PCI_DEVICE_ID_NX2031_10GCX4), | |
105 | ENTRY(PCI_DEVICE_ID_NX2031_4GCU), | |
106 | ENTRY(PCI_DEVICE_ID_NX2031_IMEZ), | |
107 | ENTRY(PCI_DEVICE_ID_NX2031_HMEZ), | |
108 | ENTRY(PCI_DEVICE_ID_NX2031_XG_MGMT), | |
109 | ENTRY(PCI_DEVICE_ID_NX2031_XG_MGMT2), | |
110 | ENTRY(PCI_DEVICE_ID_NX3031), | |
3d396eb1 AK |
111 | {0,} |
112 | }; | |
113 | ||
114 | MODULE_DEVICE_TABLE(pci, netxen_pci_tbl); | |
115 | ||
7830b22c DP |
116 | static uint32_t crb_cmd_producer[4] = { |
117 | CRB_CMD_PRODUCER_OFFSET, CRB_CMD_PRODUCER_OFFSET_1, | |
118 | CRB_CMD_PRODUCER_OFFSET_2, CRB_CMD_PRODUCER_OFFSET_3 | |
119 | }; | |
120 | ||
c9fc891f | 121 | void |
3ce06a32 | 122 | netxen_nic_update_cmd_producer(struct netxen_adapter *adapter, |
cb2107be | 123 | struct nx_host_tx_ring *tx_ring) |
3176ff3e | 124 | { |
195c5f98 | 125 | NXWRIO(adapter, tx_ring->crb_cmd_producer, tx_ring->producer); |
3176ff3e MT |
126 | } |
127 | ||
7830b22c DP |
128 | static uint32_t crb_cmd_consumer[4] = { |
129 | CRB_CMD_CONSUMER_OFFSET, CRB_CMD_CONSUMER_OFFSET_1, | |
130 | CRB_CMD_CONSUMER_OFFSET_2, CRB_CMD_CONSUMER_OFFSET_3 | |
131 | }; | |
132 | ||
3ce06a32 DP |
133 | static inline void |
134 | netxen_nic_update_cmd_consumer(struct netxen_adapter *adapter, | |
cb2107be | 135 | struct nx_host_tx_ring *tx_ring) |
3176ff3e | 136 | { |
195c5f98 | 137 | NXWRIO(adapter, tx_ring->crb_cmd_consumer, tx_ring->sw_consumer); |
3176ff3e MT |
138 | } |
139 | ||
2956640d | 140 | static uint32_t msi_tgt_status[8] = { |
443be796 | 141 | ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, |
2956640d DP |
142 | ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3, |
143 | ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5, | |
144 | ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7 | |
443be796 DP |
145 | }; |
146 | ||
2956640d DP |
147 | static struct netxen_legacy_intr_set legacy_intr[] = NX_LEGACY_INTR_CONFIG; |
148 | ||
d8b100c5 | 149 | static inline void netxen_nic_disable_int(struct nx_host_sds_ring *sds_ring) |
4638aef1 | 150 | { |
d8b100c5 DP |
151 | struct netxen_adapter *adapter = sds_ring->adapter; |
152 | ||
195c5f98 | 153 | NXWRIO(adapter, sds_ring->crb_intr_mask, 0); |
4638aef1 SH |
154 | } |
155 | ||
d8b100c5 | 156 | static inline void netxen_nic_enable_int(struct nx_host_sds_ring *sds_ring) |
4638aef1 | 157 | { |
d8b100c5 DP |
158 | struct netxen_adapter *adapter = sds_ring->adapter; |
159 | ||
195c5f98 | 160 | NXWRIO(adapter, sds_ring->crb_intr_mask, 0x1); |
4638aef1 | 161 | |
092bc571 | 162 | if (!NETXEN_IS_MSI_FAMILY(adapter)) |
195c5f98 | 163 | NXWRIO(adapter, adapter->tgt_mask_reg, 0xfbff); |
4638aef1 SH |
164 | } |
165 | ||
71dcddbd DP |
166 | static int |
167 | netxen_alloc_sds_rings(struct netxen_recv_context *recv_ctx, int count) | |
168 | { | |
169 | int size = sizeof(struct nx_host_sds_ring) * count; | |
170 | ||
171 | recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL); | |
172 | ||
807540ba | 173 | return recv_ctx->sds_rings == NULL; |
71dcddbd DP |
174 | } |
175 | ||
d8b100c5 | 176 | static void |
71dcddbd DP |
177 | netxen_free_sds_rings(struct netxen_recv_context *recv_ctx) |
178 | { | |
de701762 | 179 | kfree(recv_ctx->sds_rings); |
232e7d68 | 180 | recv_ctx->sds_rings = NULL; |
71dcddbd DP |
181 | } |
182 | ||
183 | static int | |
d8b100c5 DP |
184 | netxen_napi_add(struct netxen_adapter *adapter, struct net_device *netdev) |
185 | { | |
186 | int ring; | |
187 | struct nx_host_sds_ring *sds_ring; | |
188 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; | |
189 | ||
71dcddbd | 190 | if (netxen_alloc_sds_rings(recv_ctx, adapter->max_sds_rings)) |
f17443f4 | 191 | return -ENOMEM; |
71dcddbd | 192 | |
d8b100c5 DP |
193 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
194 | sds_ring = &recv_ctx->sds_rings[ring]; | |
195 | netif_napi_add(netdev, &sds_ring->napi, | |
1e4a5282 | 196 | netxen_nic_poll, NAPI_POLL_WEIGHT); |
d8b100c5 | 197 | } |
71dcddbd DP |
198 | |
199 | return 0; | |
d8b100c5 DP |
200 | } |
201 | ||
232e7d68 DP |
202 | static void |
203 | netxen_napi_del(struct netxen_adapter *adapter) | |
204 | { | |
205 | int ring; | |
206 | struct nx_host_sds_ring *sds_ring; | |
207 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; | |
208 | ||
209 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
210 | sds_ring = &recv_ctx->sds_rings[ring]; | |
211 | netif_napi_del(&sds_ring->napi); | |
212 | } | |
213 | ||
214 | netxen_free_sds_rings(&adapter->recv_ctx); | |
215 | } | |
216 | ||
d8b100c5 DP |
217 | static void |
218 | netxen_napi_enable(struct netxen_adapter *adapter) | |
219 | { | |
220 | int ring; | |
221 | struct nx_host_sds_ring *sds_ring; | |
222 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; | |
223 | ||
224 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
225 | sds_ring = &recv_ctx->sds_rings[ring]; | |
226 | napi_enable(&sds_ring->napi); | |
227 | netxen_nic_enable_int(sds_ring); | |
228 | } | |
229 | } | |
230 | ||
231 | static void | |
232 | netxen_napi_disable(struct netxen_adapter *adapter) | |
233 | { | |
234 | int ring; | |
235 | struct nx_host_sds_ring *sds_ring; | |
236 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; | |
237 | ||
238 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
239 | sds_ring = &recv_ctx->sds_rings[ring]; | |
be339aee | 240 | netxen_nic_disable_int(sds_ring); |
b2af9cb0 DP |
241 | napi_synchronize(&sds_ring->napi); |
242 | napi_disable(&sds_ring->napi); | |
d8b100c5 DP |
243 | } |
244 | } | |
245 | ||
50c643e7 | 246 | static int nx_set_dma_mask(struct netxen_adapter *adapter) |
2956640d DP |
247 | { |
248 | struct pci_dev *pdev = adapter->pdev; | |
1f434f63 DP |
249 | uint64_t mask, cmask; |
250 | ||
251 | adapter->pci_using_dac = 0; | |
2956640d | 252 | |
6afd142f | 253 | mask = DMA_BIT_MASK(32); |
6afd142f | 254 | cmask = DMA_BIT_MASK(32); |
1f434f63 | 255 | |
50c643e7 | 256 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { |
1f434f63 | 257 | #ifndef CONFIG_IA64 |
6afd142f | 258 | mask = DMA_BIT_MASK(35); |
1f434f63 | 259 | #endif |
50c643e7 DP |
260 | } else { |
261 | mask = DMA_BIT_MASK(39); | |
262 | cmask = mask; | |
263 | } | |
264 | ||
2956640d | 265 | if (pci_set_dma_mask(pdev, mask) == 0 && |
1f434f63 | 266 | pci_set_consistent_dma_mask(pdev, cmask) == 0) { |
2956640d DP |
267 | adapter->pci_using_dac = 1; |
268 | return 0; | |
269 | } | |
2956640d | 270 | |
1f434f63 DP |
271 | return -EIO; |
272 | } | |
273 | ||
274 | /* Update addressable range if firmware supports it */ | |
275 | static int | |
276 | nx_update_dma_mask(struct netxen_adapter *adapter) | |
277 | { | |
278 | int change, shift, err; | |
50c643e7 | 279 | uint64_t mask, old_mask, old_cmask; |
1f434f63 DP |
280 | struct pci_dev *pdev = adapter->pdev; |
281 | ||
282 | change = 0; | |
283 | ||
f98a9f69 | 284 | shift = NXRD32(adapter, CRB_DMA_SHIFT); |
f60f7856 | 285 | if (shift > 32) |
1f434f63 DP |
286 | return 0; |
287 | ||
288 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id) && (shift > 9)) | |
289 | change = 1; | |
290 | else if ((adapter->ahw.revision_id == NX_P2_C1) && (shift <= 4)) | |
291 | change = 1; | |
292 | ||
293 | if (change) { | |
294 | old_mask = pdev->dma_mask; | |
50c643e7 DP |
295 | old_cmask = pdev->dev.coherent_dma_mask; |
296 | ||
f60f7856 | 297 | mask = DMA_BIT_MASK(32+shift); |
1f434f63 DP |
298 | |
299 | err = pci_set_dma_mask(pdev, mask); | |
300 | if (err) | |
50c643e7 DP |
301 | goto err_out; |
302 | ||
303 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { | |
304 | ||
305 | err = pci_set_consistent_dma_mask(pdev, mask); | |
306 | if (err) | |
307 | goto err_out; | |
308 | } | |
309 | dev_info(&pdev->dev, "using %d-bit dma mask\n", 32+shift); | |
2956640d DP |
310 | } |
311 | ||
2956640d | 312 | return 0; |
50c643e7 DP |
313 | |
314 | err_out: | |
315 | pci_set_dma_mask(pdev, old_mask); | |
316 | pci_set_consistent_dma_mask(pdev, old_cmask); | |
317 | return err; | |
2956640d DP |
318 | } |
319 | ||
2956640d DP |
320 | static int |
321 | netxen_check_hw_init(struct netxen_adapter *adapter, int first_boot) | |
322 | { | |
27c915a4 | 323 | u32 val, timeout; |
2956640d DP |
324 | |
325 | if (first_boot == 0x55555555) { | |
326 | /* This is the first boot after power up */ | |
f98a9f69 | 327 | NXWR32(adapter, NETXEN_CAM_RAM(0x1fc), NETXEN_BDINFO_MAGIC); |
27c915a4 DP |
328 | |
329 | if (!NX_IS_REVISION_P2(adapter->ahw.revision_id)) | |
330 | return 0; | |
2956640d DP |
331 | |
332 | /* PCI bus master workaround */ | |
f98a9f69 | 333 | first_boot = NXRD32(adapter, NETXEN_PCIE_REG(0x4)); |
2956640d DP |
334 | if (!(first_boot & 0x4)) { |
335 | first_boot |= 0x4; | |
f98a9f69 | 336 | NXWR32(adapter, NETXEN_PCIE_REG(0x4), first_boot); |
581e8ae4 | 337 | NXRD32(adapter, NETXEN_PCIE_REG(0x4)); |
2956640d DP |
338 | } |
339 | ||
340 | /* This is the first boot after power up */ | |
f98a9f69 | 341 | first_boot = NXRD32(adapter, NETXEN_ROMUSB_GLB_SW_RESET); |
2956640d DP |
342 | if (first_boot != 0x80000f) { |
343 | /* clear the register for future unloads/loads */ | |
f98a9f69 | 344 | NXWR32(adapter, NETXEN_CAM_RAM(0x1fc), 0); |
27c915a4 | 345 | return -EIO; |
2956640d DP |
346 | } |
347 | ||
27c915a4 | 348 | /* Start P2 boot loader */ |
f98a9f69 DP |
349 | val = NXRD32(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE); |
350 | NXWR32(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE, val | 0x1); | |
27c915a4 DP |
351 | timeout = 0; |
352 | do { | |
353 | msleep(1); | |
f98a9f69 | 354 | val = NXRD32(adapter, NETXEN_CAM_RAM(0x1fc)); |
27c915a4 DP |
355 | |
356 | if (++timeout > 5000) | |
357 | return -EIO; | |
358 | ||
359 | } while (val == NETXEN_BDINFO_MAGIC); | |
2956640d | 360 | } |
27c915a4 | 361 | return 0; |
2956640d DP |
362 | } |
363 | ||
364 | static void netxen_set_port_mode(struct netxen_adapter *adapter) | |
365 | { | |
366 | u32 val, data; | |
367 | ||
1e2d0059 | 368 | val = adapter->ahw.board_type; |
2956640d DP |
369 | if ((val == NETXEN_BRDTYPE_P3_HMEZ) || |
370 | (val == NETXEN_BRDTYPE_P3_XG_LOM)) { | |
371 | if (port_mode == NETXEN_PORT_MODE_802_3_AP) { | |
372 | data = NETXEN_PORT_MODE_802_3_AP; | |
f98a9f69 | 373 | NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data); |
2956640d DP |
374 | } else if (port_mode == NETXEN_PORT_MODE_XG) { |
375 | data = NETXEN_PORT_MODE_XG; | |
f98a9f69 | 376 | NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data); |
2956640d DP |
377 | } else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_1G) { |
378 | data = NETXEN_PORT_MODE_AUTO_NEG_1G; | |
f98a9f69 | 379 | NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data); |
2956640d DP |
380 | } else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_XG) { |
381 | data = NETXEN_PORT_MODE_AUTO_NEG_XG; | |
f98a9f69 | 382 | NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data); |
2956640d DP |
383 | } else { |
384 | data = NETXEN_PORT_MODE_AUTO_NEG; | |
f98a9f69 | 385 | NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data); |
2956640d DP |
386 | } |
387 | ||
388 | if ((wol_port_mode != NETXEN_PORT_MODE_802_3_AP) && | |
389 | (wol_port_mode != NETXEN_PORT_MODE_XG) && | |
390 | (wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_1G) && | |
391 | (wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_XG)) { | |
392 | wol_port_mode = NETXEN_PORT_MODE_AUTO_NEG; | |
393 | } | |
f98a9f69 | 394 | NXWR32(adapter, NETXEN_WOL_PORT_MODE, wol_port_mode); |
2956640d DP |
395 | } |
396 | } | |
397 | ||
e3feb266 RB |
398 | #define PCI_CAP_ID_GEN 0x10 |
399 | ||
400 | static void netxen_pcie_strap_init(struct netxen_adapter *adapter) | |
401 | { | |
402 | u32 pdevfuncsave; | |
403 | u32 c8c9value = 0; | |
404 | u32 chicken = 0; | |
405 | u32 control = 0; | |
406 | int i, pos; | |
407 | struct pci_dev *pdev; | |
408 | ||
409 | pdev = adapter->pdev; | |
410 | ||
411 | chicken = NXRD32(adapter, NETXEN_PCIE_REG(PCIE_CHICKEN3)); | |
412 | /* clear chicken3.25:24 */ | |
413 | chicken &= 0xFCFFFFFF; | |
414 | /* | |
415 | * if gen1 and B0, set F1020 - if gen 2, do nothing | |
416 | * if gen2 set to F1000 | |
417 | */ | |
418 | pos = pci_find_capability(pdev, PCI_CAP_ID_GEN); | |
419 | if (pos == 0xC0) { | |
420 | pci_read_config_dword(pdev, pos + 0x10, &control); | |
421 | if ((control & 0x000F0000) != 0x00020000) { | |
422 | /* set chicken3.24 if gen1 */ | |
423 | chicken |= 0x01000000; | |
424 | } | |
425 | dev_info(&adapter->pdev->dev, "Gen2 strapping detected\n"); | |
426 | c8c9value = 0xF1000; | |
427 | } else { | |
428 | /* set chicken3.24 if gen1 */ | |
429 | chicken |= 0x01000000; | |
430 | dev_info(&adapter->pdev->dev, "Gen1 strapping detected\n"); | |
431 | if (adapter->ahw.revision_id == NX_P3_B0) | |
432 | c8c9value = 0xF1020; | |
433 | else | |
434 | c8c9value = 0; | |
435 | } | |
436 | ||
437 | NXWR32(adapter, NETXEN_PCIE_REG(PCIE_CHICKEN3), chicken); | |
438 | ||
439 | if (!c8c9value) | |
440 | return; | |
441 | ||
442 | pdevfuncsave = pdev->devfn; | |
443 | if (pdevfuncsave & 0x07) | |
444 | return; | |
445 | ||
446 | for (i = 0; i < 8; i++) { | |
447 | pci_read_config_dword(pdev, pos + 8, &control); | |
448 | pci_read_config_dword(pdev, pos + 8, &control); | |
449 | pci_write_config_dword(pdev, pos + 8, c8c9value); | |
450 | pdev->devfn++; | |
451 | } | |
452 | pdev->devfn = pdevfuncsave; | |
453 | } | |
454 | ||
2956640d DP |
455 | static void netxen_set_msix_bit(struct pci_dev *pdev, int enable) |
456 | { | |
457 | u32 control; | |
2956640d | 458 | |
b83082e9 YW |
459 | if (pdev->msix_cap) { |
460 | pci_read_config_dword(pdev, pdev->msix_cap, &control); | |
2956640d DP |
461 | if (enable) |
462 | control |= PCI_MSIX_FLAGS_ENABLE; | |
463 | else | |
464 | control = 0; | |
b83082e9 | 465 | pci_write_config_dword(pdev, pdev->msix_cap, control); |
2956640d DP |
466 | } |
467 | } | |
468 | ||
be339aee | 469 | static void netxen_init_msix_entries(struct netxen_adapter *adapter, int count) |
2956640d DP |
470 | { |
471 | int i; | |
472 | ||
be339aee | 473 | for (i = 0; i < count; i++) |
2956640d DP |
474 | adapter->msix_entries[i].entry = i; |
475 | } | |
476 | ||
9dc28efe DP |
477 | static int |
478 | netxen_read_mac_addr(struct netxen_adapter *adapter) | |
479 | { | |
480 | int i; | |
481 | unsigned char *p; | |
a03d2451 | 482 | u64 mac_addr; |
9dc28efe DP |
483 | struct net_device *netdev = adapter->netdev; |
484 | struct pci_dev *pdev = adapter->pdev; | |
485 | ||
9dc28efe DP |
486 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { |
487 | if (netxen_p3_get_mac_addr(adapter, &mac_addr) != 0) | |
488 | return -EIO; | |
489 | } else { | |
490 | if (netxen_get_flash_mac_addr(adapter, &mac_addr) != 0) | |
491 | return -EIO; | |
492 | } | |
493 | ||
494 | p = (unsigned char *)&mac_addr; | |
495 | for (i = 0; i < 6; i++) | |
496 | netdev->dev_addr[i] = *(p + 5 - i); | |
497 | ||
5d09e534 | 498 | memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len); |
9dc28efe DP |
499 | |
500 | /* set station address */ | |
501 | ||
aaeb6cdf | 502 | if (!is_valid_ether_addr(netdev->dev_addr)) |
e174961c | 503 | dev_warn(&pdev->dev, "Bad MAC address %pM.\n", netdev->dev_addr); |
9dc28efe DP |
504 | |
505 | return 0; | |
506 | } | |
507 | ||
7e12bb0a | 508 | static int netxen_nic_set_mac(struct net_device *netdev, void *p) |
3d0a3cc9 DP |
509 | { |
510 | struct netxen_adapter *adapter = netdev_priv(netdev); | |
511 | struct sockaddr *addr = p; | |
512 | ||
513 | if (!is_valid_ether_addr(addr->sa_data)) | |
504f9b5a | 514 | return -EADDRNOTAVAIL; |
3d0a3cc9 DP |
515 | |
516 | if (netif_running(netdev)) { | |
517 | netif_device_detach(netdev); | |
518 | netxen_napi_disable(adapter); | |
519 | } | |
520 | ||
5d09e534 | 521 | memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len); |
3d0a3cc9 DP |
522 | memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); |
523 | adapter->macaddr_set(adapter, addr->sa_data); | |
524 | ||
525 | if (netif_running(netdev)) { | |
526 | netif_device_attach(netdev); | |
527 | netxen_napi_enable(adapter); | |
528 | } | |
529 | return 0; | |
530 | } | |
531 | ||
1abd266f SH |
532 | static void netxen_set_multicast_list(struct net_device *dev) |
533 | { | |
534 | struct netxen_adapter *adapter = netdev_priv(dev); | |
535 | ||
3d0a3cc9 | 536 | adapter->set_multi(dev); |
1abd266f SH |
537 | } |
538 | ||
c8f44aff MM |
539 | static netdev_features_t netxen_fix_features(struct net_device *dev, |
540 | netdev_features_t features) | |
066413da MM |
541 | { |
542 | if (!(features & NETIF_F_RXCSUM)) { | |
543 | netdev_info(dev, "disabling LRO as RXCSUM is off\n"); | |
544 | ||
545 | features &= ~NETIF_F_LRO; | |
546 | } | |
547 | ||
548 | return features; | |
549 | } | |
550 | ||
c8f44aff MM |
551 | static int netxen_set_features(struct net_device *dev, |
552 | netdev_features_t features) | |
066413da MM |
553 | { |
554 | struct netxen_adapter *adapter = netdev_priv(dev); | |
555 | int hw_lro; | |
556 | ||
557 | if (!((dev->features ^ features) & NETIF_F_LRO)) | |
558 | return 0; | |
559 | ||
560 | hw_lro = (features & NETIF_F_LRO) ? NETXEN_NIC_LRO_ENABLED | |
561 | : NETXEN_NIC_LRO_DISABLED; | |
562 | ||
563 | if (netxen_config_hw_lro(adapter, hw_lro)) | |
564 | return -EIO; | |
565 | ||
566 | if (!(features & NETIF_F_LRO) && netxen_send_lro_cleanup(adapter)) | |
567 | return -EIO; | |
568 | ||
569 | return 0; | |
570 | } | |
571 | ||
1abd266f SH |
572 | static const struct net_device_ops netxen_netdev_ops = { |
573 | .ndo_open = netxen_nic_open, | |
574 | .ndo_stop = netxen_nic_close, | |
575 | .ndo_start_xmit = netxen_nic_xmit_frame, | |
47fd428c | 576 | .ndo_get_stats64 = netxen_nic_get_stats, |
1abd266f | 577 | .ndo_validate_addr = eth_validate_addr, |
afc4b13d | 578 | .ndo_set_rx_mode = netxen_set_multicast_list, |
1abd266f SH |
579 | .ndo_set_mac_address = netxen_nic_set_mac, |
580 | .ndo_change_mtu = netxen_nic_change_mtu, | |
581 | .ndo_tx_timeout = netxen_tx_timeout, | |
066413da MM |
582 | .ndo_fix_features = netxen_fix_features, |
583 | .ndo_set_features = netxen_set_features, | |
1abd266f SH |
584 | #ifdef CONFIG_NET_POLL_CONTROLLER |
585 | .ndo_poll_controller = netxen_nic_poll_controller, | |
586 | #endif | |
587 | }; | |
588 | ||
b37eb210 MC |
589 | static inline bool netxen_function_zero(struct pci_dev *pdev) |
590 | { | |
591 | return (PCI_FUNC(pdev->devfn) == 0) ? true : false; | |
592 | } | |
593 | ||
594 | static inline void netxen_set_interrupt_mode(struct netxen_adapter *adapter, | |
595 | u32 mode) | |
596 | { | |
597 | NXWR32(adapter, NETXEN_INTR_MODE_REG, mode); | |
598 | } | |
599 | ||
600 | static inline u32 netxen_get_interrupt_mode(struct netxen_adapter *adapter) | |
601 | { | |
602 | return NXRD32(adapter, NETXEN_INTR_MODE_REG); | |
603 | } | |
604 | ||
97daee83 | 605 | static void |
a120e864 | 606 | netxen_initialize_interrupt_registers(struct netxen_adapter *adapter) |
97daee83 DP |
607 | { |
608 | struct netxen_legacy_intr_set *legacy_intrp; | |
a120e864 | 609 | u32 tgt_status_reg, int_state_reg; |
97daee83 DP |
610 | |
611 | if (adapter->ahw.revision_id >= NX_P3_B0) | |
612 | legacy_intrp = &legacy_intr[adapter->ahw.pci_func]; | |
613 | else | |
614 | legacy_intrp = &legacy_intr[0]; | |
195c5f98 | 615 | |
a120e864 MC |
616 | tgt_status_reg = legacy_intrp->tgt_status_reg; |
617 | int_state_reg = ISR_INT_STATE_REG; | |
618 | ||
195c5f98 | 619 | adapter->int_vec_bit = legacy_intrp->int_vec_bit; |
a120e864 | 620 | adapter->tgt_status_reg = netxen_get_ioaddr(adapter, tgt_status_reg); |
195c5f98 | 621 | adapter->tgt_mask_reg = netxen_get_ioaddr(adapter, |
a120e864 | 622 | legacy_intrp->tgt_mask_reg); |
195c5f98 | 623 | adapter->pci_int_reg = netxen_get_ioaddr(adapter, |
a120e864 | 624 | legacy_intrp->pci_int_reg); |
195c5f98 AKS |
625 | adapter->isr_int_vec = netxen_get_ioaddr(adapter, ISR_INT_VECTOR); |
626 | ||
627 | if (adapter->ahw.revision_id >= NX_P3_B1) | |
628 | adapter->crb_int_state_reg = netxen_get_ioaddr(adapter, | |
a120e864 | 629 | int_state_reg); |
195c5f98 AKS |
630 | else |
631 | adapter->crb_int_state_reg = netxen_get_ioaddr(adapter, | |
a120e864 MC |
632 | CRB_INT_VECTOR); |
633 | } | |
97daee83 | 634 | |
a120e864 MC |
635 | static int netxen_setup_msi_interrupts(struct netxen_adapter *adapter, |
636 | int num_msix) | |
637 | { | |
638 | struct pci_dev *pdev = adapter->pdev; | |
639 | u32 value; | |
640 | int err; | |
97daee83 DP |
641 | |
642 | if (adapter->msix_supported) { | |
be339aee | 643 | netxen_init_msix_entries(adapter, num_msix); |
4a6768d3 AG |
644 | err = pci_enable_msix_range(pdev, adapter->msix_entries, |
645 | num_msix, num_msix); | |
646 | if (err > 0) { | |
be339aee DP |
647 | adapter->flags |= NETXEN_NIC_MSIX_ENABLED; |
648 | netxen_set_msix_bit(pdev, 1); | |
97daee83 | 649 | |
be339aee DP |
650 | if (adapter->rss_supported) |
651 | adapter->max_sds_rings = num_msix; | |
97daee83 | 652 | |
be339aee | 653 | dev_info(&pdev->dev, "using msi-x interrupts\n"); |
a120e864 | 654 | return 0; |
be339aee | 655 | } |
be339aee | 656 | /* fall through for msi */ |
97daee83 | 657 | } |
be339aee DP |
658 | |
659 | if (use_msi && !pci_enable_msi(pdev)) { | |
a120e864 | 660 | value = msi_tgt_status[adapter->ahw.pci_func]; |
be339aee | 661 | adapter->flags |= NETXEN_NIC_MSI_ENABLED; |
a120e864 | 662 | adapter->tgt_status_reg = netxen_get_ioaddr(adapter, value); |
f67f3408 | 663 | adapter->msix_entries[0].vector = pdev->irq; |
a120e864 MC |
664 | dev_info(&pdev->dev, "using msi interrupts\n"); |
665 | return 0; | |
be339aee DP |
666 | } |
667 | ||
b37eb210 | 668 | dev_err(&pdev->dev, "Failed to acquire MSI-X/MSI interrupt vector\n"); |
a120e864 MC |
669 | return -EIO; |
670 | } | |
671 | ||
b37eb210 | 672 | static int netxen_setup_intr(struct netxen_adapter *adapter) |
a120e864 MC |
673 | { |
674 | struct pci_dev *pdev = adapter->pdev; | |
675 | int num_msix; | |
676 | ||
677 | if (adapter->rss_supported) | |
678 | num_msix = (num_online_cpus() >= MSIX_ENTRIES_PER_ADAPTER) ? | |
679 | MSIX_ENTRIES_PER_ADAPTER : 2; | |
680 | else | |
681 | num_msix = 1; | |
682 | ||
683 | adapter->max_sds_rings = 1; | |
684 | adapter->flags &= ~(NETXEN_NIC_MSI_ENABLED | NETXEN_NIC_MSIX_ENABLED); | |
685 | ||
686 | netxen_initialize_interrupt_registers(adapter); | |
687 | netxen_set_msix_bit(pdev, 0); | |
688 | ||
b37eb210 MC |
689 | if (netxen_function_zero(pdev)) { |
690 | if (!netxen_setup_msi_interrupts(adapter, num_msix)) | |
691 | netxen_set_interrupt_mode(adapter, NETXEN_MSI_MODE); | |
692 | else | |
693 | netxen_set_interrupt_mode(adapter, NETXEN_INTX_MODE); | |
694 | } else { | |
695 | if (netxen_get_interrupt_mode(adapter) == NETXEN_MSI_MODE && | |
696 | netxen_setup_msi_interrupts(adapter, num_msix)) { | |
697 | dev_err(&pdev->dev, "Co-existence of MSI-X/MSI and INTx interrupts is not supported\n"); | |
698 | return -EIO; | |
699 | } | |
700 | } | |
a120e864 | 701 | |
b37eb210 MC |
702 | if (!NETXEN_IS_MSI_FAMILY(adapter)) { |
703 | adapter->msix_entries[0].vector = pdev->irq; | |
704 | dev_info(&pdev->dev, "using legacy interrupts\n"); | |
705 | } | |
706 | return 0; | |
97daee83 DP |
707 | } |
708 | ||
709 | static void | |
710 | netxen_teardown_intr(struct netxen_adapter *adapter) | |
711 | { | |
712 | if (adapter->flags & NETXEN_NIC_MSIX_ENABLED) | |
713 | pci_disable_msix(adapter->pdev); | |
714 | if (adapter->flags & NETXEN_NIC_MSI_ENABLED) | |
715 | pci_disable_msi(adapter->pdev); | |
716 | } | |
717 | ||
718 | static void | |
719 | netxen_cleanup_pci_map(struct netxen_adapter *adapter) | |
720 | { | |
721 | if (adapter->ahw.db_base != NULL) | |
722 | iounmap(adapter->ahw.db_base); | |
723 | if (adapter->ahw.pci_base0 != NULL) | |
724 | iounmap(adapter->ahw.pci_base0); | |
725 | if (adapter->ahw.pci_base1 != NULL) | |
726 | iounmap(adapter->ahw.pci_base1); | |
727 | if (adapter->ahw.pci_base2 != NULL) | |
728 | iounmap(adapter->ahw.pci_base2); | |
729 | } | |
730 | ||
731 | static int | |
732 | netxen_setup_pci_map(struct netxen_adapter *adapter) | |
733 | { | |
97daee83 DP |
734 | void __iomem *db_ptr = NULL; |
735 | ||
71fb62fb | 736 | resource_size_t mem_base, db_base; |
afbe5cd6 | 737 | unsigned long mem_len, db_len = 0; |
97daee83 DP |
738 | |
739 | struct pci_dev *pdev = adapter->pdev; | |
740 | int pci_func = adapter->ahw.pci_func; | |
afbe5cd6 | 741 | struct netxen_hardware_context *ahw = &adapter->ahw; |
97daee83 DP |
742 | |
743 | int err = 0; | |
744 | ||
745 | /* | |
746 | * Set the CRB window to invalid. If any register in window 0 is | |
747 | * accessed it should set the window to 0 and then reset it to 1. | |
748 | */ | |
907fa120 | 749 | adapter->ahw.crb_win = -1; |
47abe356 | 750 | adapter->ahw.ocm_win = -1; |
97daee83 DP |
751 | |
752 | /* remap phys address */ | |
753 | mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */ | |
754 | mem_len = pci_resource_len(pdev, 0); | |
97daee83 | 755 | |
97daee83 DP |
756 | /* 128 Meg of memory */ |
757 | if (mem_len == NETXEN_PCI_128MB_SIZE) { | |
afbe5cd6 AKS |
758 | |
759 | ahw->pci_base0 = ioremap(mem_base, FIRST_PAGE_GROUP_SIZE); | |
760 | ahw->pci_base1 = ioremap(mem_base + SECOND_PAGE_GROUP_START, | |
97daee83 | 761 | SECOND_PAGE_GROUP_SIZE); |
afbe5cd6 | 762 | ahw->pci_base2 = ioremap(mem_base + THIRD_PAGE_GROUP_START, |
97daee83 | 763 | THIRD_PAGE_GROUP_SIZE); |
afbe5cd6 AKS |
764 | if (ahw->pci_base0 == NULL || ahw->pci_base1 == NULL || |
765 | ahw->pci_base2 == NULL) { | |
766 | dev_err(&pdev->dev, "failed to map PCI bar 0\n"); | |
767 | err = -EIO; | |
768 | goto err_out; | |
769 | } | |
770 | ||
771 | ahw->pci_len0 = FIRST_PAGE_GROUP_SIZE; | |
772 | ||
97daee83 | 773 | } else if (mem_len == NETXEN_PCI_32MB_SIZE) { |
afbe5cd6 AKS |
774 | |
775 | ahw->pci_base1 = ioremap(mem_base, SECOND_PAGE_GROUP_SIZE); | |
776 | ahw->pci_base2 = ioremap(mem_base + THIRD_PAGE_GROUP_START - | |
97daee83 | 777 | SECOND_PAGE_GROUP_START, THIRD_PAGE_GROUP_SIZE); |
afbe5cd6 AKS |
778 | if (ahw->pci_base1 == NULL || ahw->pci_base2 == NULL) { |
779 | dev_err(&pdev->dev, "failed to map PCI bar 0\n"); | |
780 | err = -EIO; | |
781 | goto err_out; | |
782 | } | |
783 | ||
97daee83 | 784 | } else if (mem_len == NETXEN_PCI_2MB_SIZE) { |
97daee83 | 785 | |
afbe5cd6 AKS |
786 | ahw->pci_base0 = pci_ioremap_bar(pdev, 0); |
787 | if (ahw->pci_base0 == NULL) { | |
97daee83 DP |
788 | dev_err(&pdev->dev, "failed to map PCI bar 0\n"); |
789 | return -EIO; | |
790 | } | |
afbe5cd6 | 791 | ahw->pci_len0 = mem_len; |
97daee83 DP |
792 | } else { |
793 | return -EIO; | |
794 | } | |
795 | ||
195c5f98 AKS |
796 | netxen_setup_hwops(adapter); |
797 | ||
97daee83 DP |
798 | dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20)); |
799 | ||
6abb4b83 AKS |
800 | if (NX_IS_REVISION_P3P(adapter->ahw.revision_id)) { |
801 | adapter->ahw.ocm_win_crb = netxen_get_ioaddr(adapter, | |
802 | NETXEN_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(pci_func))); | |
803 | ||
804 | } else if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { | |
47abe356 DP |
805 | adapter->ahw.ocm_win_crb = netxen_get_ioaddr(adapter, |
806 | NETXEN_PCIX_PS_REG(PCIE_MN_WINDOW_REG(pci_func))); | |
807 | } | |
808 | ||
97daee83 DP |
809 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) |
810 | goto skip_doorbell; | |
811 | ||
812 | db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */ | |
813 | db_len = pci_resource_len(pdev, 4); | |
814 | ||
815 | if (db_len == 0) { | |
816 | printk(KERN_ERR "%s: doorbell is disabled\n", | |
817 | netxen_nic_driver_name); | |
818 | err = -EIO; | |
819 | goto err_out; | |
820 | } | |
821 | ||
822 | db_ptr = ioremap(db_base, NETXEN_DB_MAPSIZE_BYTES); | |
823 | if (!db_ptr) { | |
824 | printk(KERN_ERR "%s: Failed to allocate doorbell map.", | |
825 | netxen_nic_driver_name); | |
826 | err = -EIO; | |
827 | goto err_out; | |
828 | } | |
829 | ||
830 | skip_doorbell: | |
831 | adapter->ahw.db_base = db_ptr; | |
832 | adapter->ahw.db_len = db_len; | |
833 | return 0; | |
834 | ||
835 | err_out: | |
836 | netxen_cleanup_pci_map(adapter); | |
837 | return err; | |
838 | } | |
839 | ||
2b9e62ee DP |
840 | static void |
841 | netxen_check_options(struct netxen_adapter *adapter) | |
842 | { | |
83f18a55 | 843 | u32 fw_major, fw_minor, fw_build, prev_fw_version; |
2b9e62ee DP |
844 | char brd_name[NETXEN_MAX_SHORT_NAME]; |
845 | char serial_num[32]; | |
83f18a55 | 846 | int i, offset, val, err; |
06d6c108 | 847 | __le32 *ptr32; |
2b9e62ee DP |
848 | struct pci_dev *pdev = adapter->pdev; |
849 | ||
850 | adapter->driver_mismatch = 0; | |
851 | ||
06d6c108 | 852 | ptr32 = (__le32 *)&serial_num; |
2b9e62ee DP |
853 | offset = NX_FW_SERIAL_NUM_OFFSET; |
854 | for (i = 0; i < 8; i++) { | |
8c1f4546 DC |
855 | err = netxen_rom_fast_read(adapter, offset, &val); |
856 | if (err) { | |
2b9e62ee DP |
857 | dev_err(&pdev->dev, "error reading board info\n"); |
858 | adapter->driver_mismatch = 1; | |
859 | return; | |
860 | } | |
861 | ptr32[i] = cpu_to_le32(val); | |
862 | offset += sizeof(u32); | |
863 | } | |
864 | ||
865 | fw_major = NXRD32(adapter, NETXEN_FW_VERSION_MAJOR); | |
866 | fw_minor = NXRD32(adapter, NETXEN_FW_VERSION_MINOR); | |
867 | fw_build = NXRD32(adapter, NETXEN_FW_VERSION_SUB); | |
83f18a55 | 868 | prev_fw_version = adapter->fw_version; |
2b9e62ee DP |
869 | adapter->fw_version = NETXEN_VERSION_CODE(fw_major, fw_minor, fw_build); |
870 | ||
83f18a55 M |
871 | /* Get FW Mini Coredump template and store it */ |
872 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { | |
873 | if (adapter->mdump.md_template == NULL || | |
874 | adapter->fw_version > prev_fw_version) { | |
875 | kfree(adapter->mdump.md_template); | |
876 | adapter->mdump.md_template = NULL; | |
877 | err = netxen_setup_minidump(adapter); | |
878 | if (err) | |
879 | dev_err(&adapter->pdev->dev, | |
880 | "Failed to setup minidump rcode = %d\n", err); | |
881 | } | |
882 | } | |
883 | ||
2b9e62ee | 884 | if (adapter->portnum == 0) { |
b08a92bb MC |
885 | if (netxen_nic_get_brd_name_by_type(adapter->ahw.board_type, |
886 | brd_name)) | |
887 | strcpy(serial_num, "Unknown"); | |
2b9e62ee | 888 | |
c25c0b9b DP |
889 | pr_info("%s: %s Board S/N %s Chip rev 0x%x\n", |
890 | module_name(THIS_MODULE), | |
2b9e62ee DP |
891 | brd_name, serial_num, adapter->ahw.revision_id); |
892 | } | |
893 | ||
894 | if (adapter->fw_version < NETXEN_VERSION_CODE(3, 4, 216)) { | |
895 | adapter->driver_mismatch = 1; | |
896 | dev_warn(&pdev->dev, "firmware version %d.%d.%d unsupported\n", | |
897 | fw_major, fw_minor, fw_build); | |
898 | return; | |
899 | } | |
900 | ||
901 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { | |
902 | i = NXRD32(adapter, NETXEN_SRE_MISC); | |
903 | adapter->ahw.cut_through = (i & 0x8000) ? 1 : 0; | |
904 | } | |
905 | ||
dc7551cb MC |
906 | dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d [%s]\n", |
907 | NETXEN_NIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build, | |
908 | adapter->ahw.cut_through ? "cut-through" : "legacy"); | |
2b9e62ee DP |
909 | |
910 | if (adapter->fw_version >= NETXEN_VERSION_CODE(4, 0, 222)) | |
911 | adapter->capabilities = NXRD32(adapter, CRB_FW_CAPABILITIES_1); | |
912 | ||
2b9e62ee DP |
913 | if (adapter->ahw.port_type == NETXEN_NIC_XGBE) { |
914 | adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G; | |
915 | adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; | |
916 | } else if (adapter->ahw.port_type == NETXEN_NIC_GBE) { | |
917 | adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; | |
918 | adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; | |
919 | } | |
920 | ||
921 | adapter->msix_supported = 0; | |
922 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { | |
923 | adapter->msix_supported = !!use_msi_x; | |
924 | adapter->rss_supported = !!use_msi_x; | |
083ba279 AKS |
925 | } else { |
926 | u32 flashed_ver = 0; | |
927 | netxen_rom_fast_read(adapter, | |
928 | NX_FW_VERSION_OFFSET, (int *)&flashed_ver); | |
929 | flashed_ver = NETXEN_DECODE_VERSION(flashed_ver); | |
930 | ||
931 | if (flashed_ver >= NETXEN_VERSION_CODE(3, 4, 336)) { | |
932 | switch (adapter->ahw.board_type) { | |
933 | case NETXEN_BRDTYPE_P2_SB31_10G: | |
934 | case NETXEN_BRDTYPE_P2_SB31_10G_CX4: | |
935 | adapter->msix_supported = !!use_msi_x; | |
936 | adapter->rss_supported = !!use_msi_x; | |
937 | break; | |
938 | default: | |
939 | break; | |
940 | } | |
2b9e62ee DP |
941 | } |
942 | } | |
943 | ||
944 | adapter->num_txd = MAX_CMD_DESCRIPTORS; | |
945 | ||
946 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { | |
947 | adapter->num_lro_rxd = MAX_LRO_RCV_DESCRIPTORS; | |
948 | adapter->max_rds_rings = 3; | |
949 | } else { | |
950 | adapter->num_lro_rxd = 0; | |
951 | adapter->max_rds_rings = 2; | |
952 | } | |
953 | } | |
954 | ||
ba599d4f | 955 | static int |
6a581e93 | 956 | netxen_start_firmware(struct netxen_adapter *adapter) |
ba599d4f DP |
957 | { |
958 | int val, err, first_boot; | |
959 | struct pci_dev *pdev = adapter->pdev; | |
960 | ||
2b9e62ee DP |
961 | /* required for NX2031 dummy dma */ |
962 | err = nx_set_dma_mask(adapter); | |
963 | if (err) | |
964 | return err; | |
965 | ||
83f18a55 M |
966 | err = netxen_can_start_firmware(adapter); |
967 | ||
968 | if (err < 0) | |
969 | return err; | |
970 | ||
971 | if (!err) | |
96f2ebd2 | 972 | goto wait_init; |
0b72e659 | 973 | |
f98a9f69 | 974 | first_boot = NXRD32(adapter, NETXEN_CAM_RAM(0x1fc)); |
ba599d4f DP |
975 | |
976 | err = netxen_check_hw_init(adapter, first_boot); | |
977 | if (err) { | |
978 | dev_err(&pdev->dev, "error in init HW init sequence\n"); | |
979 | return err; | |
980 | } | |
981 | ||
6a581e93 | 982 | netxen_request_firmware(adapter); |
f7185c71 | 983 | |
67c38fc6 | 984 | err = netxen_need_fw_reset(adapter); |
1dbc84a7 | 985 | if (err < 0) |
db4cfd8a | 986 | goto err_out; |
1dbc84a7 | 987 | if (err == 0) |
e3feb266 | 988 | goto pcie_strap_init; |
67c38fc6 | 989 | |
ba599d4f | 990 | if (first_boot != 0x55555555) { |
f98a9f69 | 991 | NXWR32(adapter, CRB_CMDPEG_STATE, 0); |
0be367bd | 992 | netxen_pinit_from_rom(adapter); |
ba599d4f DP |
993 | msleep(1); |
994 | } | |
567c6c4e | 995 | |
f98a9f69 | 996 | NXWR32(adapter, CRB_DMA_SHIFT, 0x55555555); |
6a581e93 DP |
997 | NXWR32(adapter, NETXEN_PEG_HALT_STATUS1, 0); |
998 | NXWR32(adapter, NETXEN_PEG_HALT_STATUS2, 0); | |
999 | ||
567c6c4e DP |
1000 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) |
1001 | netxen_set_port_mode(adapter); | |
1002 | ||
db4cfd8a DP |
1003 | err = netxen_load_firmware(adapter); |
1004 | if (err) | |
1005 | goto err_out; | |
ba599d4f | 1006 | |
6a581e93 DP |
1007 | netxen_release_firmware(adapter); |
1008 | ||
ba599d4f DP |
1009 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { |
1010 | ||
1011 | /* Initialize multicast addr pool owners */ | |
1012 | val = 0x7654; | |
1e2d0059 | 1013 | if (adapter->ahw.port_type == NETXEN_NIC_XGBE) |
ba599d4f | 1014 | val |= 0x0f000000; |
f98a9f69 | 1015 | NXWR32(adapter, NETXEN_MAC_ADDR_CNTL_REG, val); |
ba599d4f DP |
1016 | |
1017 | } | |
1018 | ||
83ac51fa | 1019 | err = netxen_init_dummy_dma(adapter); |
ba599d4f | 1020 | if (err) |
db4cfd8a | 1021 | goto err_out; |
ba599d4f DP |
1022 | |
1023 | /* | |
1024 | * Tell the hardware our version number. | |
1025 | */ | |
1026 | val = (_NETXEN_NIC_LINUX_MAJOR << 16) | |
1027 | | ((_NETXEN_NIC_LINUX_MINOR << 8)) | |
1028 | | (_NETXEN_NIC_LINUX_SUBVERSION); | |
f98a9f69 | 1029 | NXWR32(adapter, CRB_DRIVER_VERSION, val); |
ba599d4f | 1030 | |
e3feb266 RB |
1031 | pcie_strap_init: |
1032 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) | |
1033 | netxen_pcie_strap_init(adapter); | |
1034 | ||
96f2ebd2 | 1035 | wait_init: |
ba599d4f DP |
1036 | /* Handshake with the card before we register the devices. */ |
1037 | err = netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE); | |
1038 | if (err) { | |
83ac51fa | 1039 | netxen_free_dummy_dma(adapter); |
db4cfd8a | 1040 | goto err_out; |
ba599d4f DP |
1041 | } |
1042 | ||
8f9b3f69 AKS |
1043 | NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_READY); |
1044 | ||
68b3cae0 DP |
1045 | nx_update_dma_mask(adapter); |
1046 | ||
6a581e93 | 1047 | netxen_check_options(adapter); |
68b3cae0 | 1048 | |
74c520da AKS |
1049 | adapter->need_fw_reset = 0; |
1050 | ||
ec5c50cb | 1051 | /* fall through and release firmware */ |
db4cfd8a DP |
1052 | |
1053 | err_out: | |
1054 | netxen_release_firmware(adapter); | |
1055 | return err; | |
ba599d4f DP |
1056 | } |
1057 | ||
9f5bc7f1 DP |
1058 | static int |
1059 | netxen_nic_request_irq(struct netxen_adapter *adapter) | |
1060 | { | |
1061 | irq_handler_t handler; | |
d8b100c5 DP |
1062 | struct nx_host_sds_ring *sds_ring; |
1063 | int err, ring; | |
1064 | ||
ab392d2d | 1065 | unsigned long flags = 0; |
9f5bc7f1 | 1066 | struct net_device *netdev = adapter->netdev; |
d8b100c5 | 1067 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; |
9f5bc7f1 | 1068 | |
9f5bc7f1 DP |
1069 | if (adapter->flags & NETXEN_NIC_MSIX_ENABLED) |
1070 | handler = netxen_msix_intr; | |
1071 | else if (adapter->flags & NETXEN_NIC_MSI_ENABLED) | |
1072 | handler = netxen_msi_intr; | |
1073 | else { | |
1074 | flags |= IRQF_SHARED; | |
1075 | handler = netxen_intr; | |
1076 | } | |
1077 | adapter->irq = netdev->irq; | |
1078 | ||
d8b100c5 DP |
1079 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
1080 | sds_ring = &recv_ctx->sds_rings[ring]; | |
be339aee | 1081 | sprintf(sds_ring->name, "%s[%d]", netdev->name, ring); |
d8b100c5 DP |
1082 | err = request_irq(sds_ring->irq, handler, |
1083 | flags, sds_ring->name, sds_ring); | |
1084 | if (err) | |
1085 | return err; | |
1086 | } | |
1087 | ||
1088 | return 0; | |
1089 | } | |
1090 | ||
1091 | static void | |
1092 | netxen_nic_free_irq(struct netxen_adapter *adapter) | |
1093 | { | |
1094 | int ring; | |
1095 | struct nx_host_sds_ring *sds_ring; | |
1096 | ||
1097 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; | |
1098 | ||
1099 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
1100 | sds_ring = &recv_ctx->sds_rings[ring]; | |
1101 | free_irq(sds_ring->irq, sds_ring); | |
1102 | } | |
9f5bc7f1 DP |
1103 | } |
1104 | ||
ca2ef330 DP |
1105 | static void |
1106 | netxen_nic_init_coalesce_defaults(struct netxen_adapter *adapter) | |
1107 | { | |
1108 | adapter->coal.flags = NETXEN_NIC_INTR_DEFAULT; | |
1109 | adapter->coal.normal.data.rx_time_us = | |
1110 | NETXEN_DEFAULT_INTR_COALESCE_RX_TIME_US; | |
1111 | adapter->coal.normal.data.rx_packets = | |
1112 | NETXEN_DEFAULT_INTR_COALESCE_RX_PACKETS; | |
1113 | adapter->coal.normal.data.tx_time_us = | |
1114 | NETXEN_DEFAULT_INTR_COALESCE_TX_TIME_US; | |
1115 | adapter->coal.normal.data.tx_packets = | |
1116 | NETXEN_DEFAULT_INTR_COALESCE_TX_PACKETS; | |
1117 | } | |
1118 | ||
6f771419 | 1119 | /* with rtnl_lock */ |
9f5bc7f1 | 1120 | static int |
6f771419 | 1121 | __netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev) |
9f5bc7f1 DP |
1122 | { |
1123 | int err; | |
1124 | ||
db4cfd8a DP |
1125 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) |
1126 | return -EIO; | |
1127 | ||
9f5bc7f1 DP |
1128 | err = adapter->init_port(adapter, adapter->physical_port); |
1129 | if (err) { | |
1130 | printk(KERN_ERR "%s: Failed to initialize port %d\n", | |
1131 | netxen_nic_driver_name, adapter->portnum); | |
1132 | return err; | |
1133 | } | |
3d0a3cc9 | 1134 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) |
5d09e534 | 1135 | adapter->macaddr_set(adapter, adapter->mac_addr); |
9f5bc7f1 | 1136 | |
3d0a3cc9 DP |
1137 | adapter->set_multi(netdev); |
1138 | adapter->set_mtu(adapter, netdev->mtu); | |
9f5bc7f1 DP |
1139 | |
1140 | adapter->ahw.linkup = 0; | |
9f5bc7f1 | 1141 | |
d8b100c5 DP |
1142 | if (adapter->max_sds_rings > 1) |
1143 | netxen_config_rss(adapter, 1); | |
9f5bc7f1 | 1144 | |
ca2ef330 DP |
1145 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) |
1146 | netxen_config_intr_coalesce(adapter); | |
1147 | ||
e4baaf71 | 1148 | if (netdev->features & NETIF_F_LRO) |
1bb482f8 NK |
1149 | netxen_config_hw_lro(adapter, NETXEN_NIC_LRO_ENABLED); |
1150 | ||
b2af9cb0 DP |
1151 | netxen_napi_enable(adapter); |
1152 | ||
5103c9f7 | 1153 | if (adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION) |
3bf26ce3 | 1154 | netxen_linkevent_request(adapter, 1); |
3d0a3cc9 DP |
1155 | else |
1156 | netxen_nic_set_link_parameters(adapter); | |
1157 | ||
6a581e93 | 1158 | set_bit(__NX_DEV_UP, &adapter->state); |
9f5bc7f1 DP |
1159 | return 0; |
1160 | } | |
1161 | ||
6f771419 AKS |
1162 | /* Usage: During resume and firmware recovery module.*/ |
1163 | ||
1164 | static inline int | |
1165 | netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev) | |
1166 | { | |
1167 | int err = 0; | |
1168 | ||
1169 | rtnl_lock(); | |
1170 | if (netif_running(netdev)) | |
1171 | err = __netxen_nic_up(adapter, netdev); | |
1172 | rtnl_unlock(); | |
1173 | ||
1174 | return err; | |
1175 | } | |
1176 | ||
1177 | /* with rtnl_lock */ | |
9f5bc7f1 | 1178 | static void |
6f771419 | 1179 | __netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev) |
9f5bc7f1 | 1180 | { |
db4cfd8a DP |
1181 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) |
1182 | return; | |
1183 | ||
f2251f66 AKS |
1184 | if (!test_and_clear_bit(__NX_DEV_UP, &adapter->state)) |
1185 | return; | |
6a581e93 | 1186 | |
f2251f66 | 1187 | smp_mb(); |
9f5bc7f1 | 1188 | netif_carrier_off(netdev); |
b2af9cb0 | 1189 | netif_tx_disable(netdev); |
9f5bc7f1 | 1190 | |
d478af0d SC |
1191 | if (adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION) |
1192 | netxen_linkevent_request(adapter, 0); | |
1193 | ||
9f5bc7f1 DP |
1194 | if (adapter->stop_port) |
1195 | adapter->stop_port(adapter); | |
1196 | ||
5cf4d323 DP |
1197 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) |
1198 | netxen_p3_free_mac_list(adapter); | |
1199 | ||
22b5794b AKS |
1200 | adapter->set_promisc(adapter, NETXEN_NIU_NON_PROMISC_MODE); |
1201 | ||
be339aee DP |
1202 | netxen_napi_disable(adapter); |
1203 | ||
9f5bc7f1 | 1204 | netxen_release_tx_buffers(adapter); |
9f5bc7f1 DP |
1205 | } |
1206 | ||
6f771419 AKS |
1207 | /* Usage: During suspend and firmware recovery module */ |
1208 | ||
1209 | static inline void | |
1210 | netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev) | |
1211 | { | |
1212 | rtnl_lock(); | |
1213 | if (netif_running(netdev)) | |
1214 | __netxen_nic_down(adapter, netdev); | |
1215 | rtnl_unlock(); | |
1216 | ||
1217 | } | |
9f5bc7f1 DP |
1218 | |
1219 | static int | |
1220 | netxen_nic_attach(struct netxen_adapter *adapter) | |
1221 | { | |
1222 | struct net_device *netdev = adapter->netdev; | |
1223 | struct pci_dev *pdev = adapter->pdev; | |
becf46a0 | 1224 | int err, ring; |
d8b100c5 | 1225 | struct nx_host_rds_ring *rds_ring; |
d877f1e3 | 1226 | struct nx_host_tx_ring *tx_ring; |
01da0c2b | 1227 | u32 capab2; |
9f5bc7f1 | 1228 | |
7042cd8f AKS |
1229 | if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) |
1230 | return 0; | |
1231 | ||
9f5bc7f1 | 1232 | err = netxen_init_firmware(adapter); |
232e7d68 DP |
1233 | if (err) |
1234 | return err; | |
1235 | ||
01da0c2b RB |
1236 | adapter->flags &= ~NETXEN_FW_MSS_CAP; |
1237 | if (adapter->capabilities & NX_FW_CAPABILITY_MORE_CAPS) { | |
1238 | capab2 = NXRD32(adapter, CRB_FW_CAPABILITIES_2); | |
1239 | if (capab2 & NX_FW_CAPABILITY_2_LRO_MAX_TCP_SEG) | |
1240 | adapter->flags |= NETXEN_FW_MSS_CAP; | |
1241 | } | |
1242 | ||
232e7d68 DP |
1243 | err = netxen_napi_add(adapter, netdev); |
1244 | if (err) | |
1245 | return err; | |
9f5bc7f1 | 1246 | |
9f5bc7f1 DP |
1247 | err = netxen_alloc_sw_resources(adapter); |
1248 | if (err) { | |
1249 | printk(KERN_ERR "%s: Error in setting sw resources\n", | |
1250 | netdev->name); | |
1251 | return err; | |
1252 | } | |
1253 | ||
9f5bc7f1 DP |
1254 | err = netxen_alloc_hw_resources(adapter); |
1255 | if (err) { | |
1256 | printk(KERN_ERR "%s: Error in setting hw resources\n", | |
1257 | netdev->name); | |
1258 | goto err_out_free_sw; | |
1259 | } | |
1260 | ||
4f96b988 | 1261 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { |
4ea528a1 | 1262 | tx_ring = adapter->tx_ring; |
195c5f98 AKS |
1263 | tx_ring->crb_cmd_producer = netxen_get_ioaddr(adapter, |
1264 | crb_cmd_producer[adapter->portnum]); | |
1265 | tx_ring->crb_cmd_consumer = netxen_get_ioaddr(adapter, | |
1266 | crb_cmd_consumer[adapter->portnum]); | |
9f5bc7f1 | 1267 | |
cb2107be DP |
1268 | tx_ring->producer = 0; |
1269 | tx_ring->sw_consumer = 0; | |
1270 | ||
1271 | netxen_nic_update_cmd_producer(adapter, tx_ring); | |
1272 | netxen_nic_update_cmd_consumer(adapter, tx_ring); | |
9f5bc7f1 DP |
1273 | } |
1274 | ||
d8b100c5 DP |
1275 | for (ring = 0; ring < adapter->max_rds_rings; ring++) { |
1276 | rds_ring = &adapter->recv_ctx.rds_rings[ring]; | |
1277 | netxen_post_rx_buffers(adapter, ring, rds_ring); | |
1278 | } | |
9f5bc7f1 DP |
1279 | |
1280 | err = netxen_nic_request_irq(adapter); | |
1281 | if (err) { | |
1282 | dev_err(&pdev->dev, "%s: failed to setup interrupt\n", | |
1283 | netdev->name); | |
1284 | goto err_out_free_rxbuf; | |
1285 | } | |
1286 | ||
ca2ef330 DP |
1287 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) |
1288 | netxen_nic_init_coalesce_defaults(adapter); | |
1289 | ||
fa3ce355 NK |
1290 | netxen_create_sysfs_entries(adapter); |
1291 | ||
9f5bc7f1 DP |
1292 | adapter->is_up = NETXEN_ADAPTER_UP_MAGIC; |
1293 | return 0; | |
1294 | ||
1295 | err_out_free_rxbuf: | |
1296 | netxen_release_rx_buffers(adapter); | |
1297 | netxen_free_hw_resources(adapter); | |
1298 | err_out_free_sw: | |
1299 | netxen_free_sw_resources(adapter); | |
1300 | return err; | |
1301 | } | |
1302 | ||
1303 | static void | |
1304 | netxen_nic_detach(struct netxen_adapter *adapter) | |
1305 | { | |
7042cd8f AKS |
1306 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) |
1307 | return; | |
1308 | ||
fa3ce355 NK |
1309 | netxen_remove_sysfs_entries(adapter); |
1310 | ||
9f5bc7f1 | 1311 | netxen_free_hw_resources(adapter); |
cf981ffb | 1312 | netxen_release_rx_buffers(adapter); |
be339aee | 1313 | netxen_nic_free_irq(adapter); |
232e7d68 | 1314 | netxen_napi_del(adapter); |
9f5bc7f1 DP |
1315 | netxen_free_sw_resources(adapter); |
1316 | ||
1317 | adapter->is_up = 0; | |
1318 | } | |
1319 | ||
7042cd8f AKS |
1320 | int |
1321 | netxen_nic_reset_context(struct netxen_adapter *adapter) | |
1322 | { | |
1323 | int err = 0; | |
1324 | struct net_device *netdev = adapter->netdev; | |
1325 | ||
6a581e93 DP |
1326 | if (test_and_set_bit(__NX_RESETTING, &adapter->state)) |
1327 | return -EBUSY; | |
1328 | ||
7042cd8f AKS |
1329 | if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) { |
1330 | ||
6a581e93 DP |
1331 | netif_device_detach(netdev); |
1332 | ||
7042cd8f | 1333 | if (netif_running(netdev)) |
6f771419 | 1334 | __netxen_nic_down(adapter, netdev); |
7042cd8f AKS |
1335 | |
1336 | netxen_nic_detach(adapter); | |
1337 | ||
6a581e93 DP |
1338 | if (netif_running(netdev)) { |
1339 | err = netxen_nic_attach(adapter); | |
1340 | if (!err) | |
6f771419 | 1341 | err = __netxen_nic_up(adapter, netdev); |
7042cd8f | 1342 | |
6a581e93 DP |
1343 | if (err) |
1344 | goto done; | |
1345 | } | |
1346 | ||
1347 | netif_device_attach(netdev); | |
7042cd8f | 1348 | } |
6a581e93 | 1349 | |
7042cd8f | 1350 | done: |
6a581e93 | 1351 | clear_bit(__NX_RESETTING, &adapter->state); |
7042cd8f AKS |
1352 | return err; |
1353 | } | |
1354 | ||
f17443f4 DP |
1355 | static int |
1356 | netxen_setup_netdev(struct netxen_adapter *adapter, | |
1357 | struct net_device *netdev) | |
1358 | { | |
1359 | int err = 0; | |
1360 | struct pci_dev *pdev = adapter->pdev; | |
1361 | ||
f17443f4 DP |
1362 | adapter->mc_enabled = 0; |
1363 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) | |
1364 | adapter->max_mc_count = 38; | |
1365 | else | |
1366 | adapter->max_mc_count = 16; | |
1367 | ||
1368 | netdev->netdev_ops = &netxen_netdev_ops; | |
7a9905e6 | 1369 | netdev->watchdog_timeo = 5*HZ; |
f17443f4 DP |
1370 | |
1371 | netxen_nic_change_mtu(netdev, netdev->mtu); | |
1372 | ||
7ad24ea4 | 1373 | netdev->ethtool_ops = &netxen_nic_ethtool_ops; |
f17443f4 | 1374 | |
066413da MM |
1375 | netdev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO | |
1376 | NETIF_F_RXCSUM; | |
f17443f4 | 1377 | |
066413da MM |
1378 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) |
1379 | netdev->hw_features |= NETIF_F_IPV6_CSUM | NETIF_F_TSO6; | |
1380 | ||
1381 | netdev->vlan_features |= netdev->hw_features; | |
f17443f4 DP |
1382 | |
1383 | if (adapter->pci_using_dac) { | |
1384 | netdev->features |= NETIF_F_HIGHDMA; | |
1385 | netdev->vlan_features |= NETIF_F_HIGHDMA; | |
1386 | } | |
1387 | ||
028afe71 | 1388 | if (adapter->capabilities & NX_FW_CAPABILITY_FVLANTX) |
f646968f | 1389 | netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_TX; |
028afe71 | 1390 | |
1bb482f8 | 1391 | if (adapter->capabilities & NX_FW_CAPABILITY_HW_LRO) |
066413da MM |
1392 | netdev->hw_features |= NETIF_F_LRO; |
1393 | ||
1394 | netdev->features |= netdev->hw_features; | |
1bb482f8 | 1395 | |
f17443f4 DP |
1396 | netdev->irq = adapter->msix_entries[0].vector; |
1397 | ||
74c520da | 1398 | INIT_WORK(&adapter->tx_timeout_task, netxen_tx_timeout_task); |
f17443f4 DP |
1399 | |
1400 | if (netxen_read_mac_addr(adapter)) | |
1401 | dev_warn(&pdev->dev, "failed to read mac addr\n"); | |
1402 | ||
1403 | netif_carrier_off(netdev); | |
f17443f4 DP |
1404 | |
1405 | err = register_netdev(netdev); | |
1406 | if (err) { | |
1407 | dev_err(&pdev->dev, "failed to register net device\n"); | |
1408 | return err; | |
1409 | } | |
1410 | ||
1411 | return 0; | |
1412 | } | |
1413 | ||
5e7856b3 SS |
1414 | #define NETXEN_ULA_ADAPTER_KEY (0xdaddad01) |
1415 | #define NETXEN_NON_ULA_ADAPTER_KEY (0xdaddad00) | |
1416 | ||
1417 | static void netxen_read_ula_info(struct netxen_adapter *adapter) | |
1418 | { | |
1419 | u32 temp; | |
1420 | ||
1421 | /* Print ULA info only once for an adapter */ | |
1422 | if (adapter->portnum != 0) | |
1423 | return; | |
1424 | ||
1425 | temp = NXRD32(adapter, NETXEN_ULA_KEY); | |
1426 | switch (temp) { | |
1427 | case NETXEN_ULA_ADAPTER_KEY: | |
1428 | dev_info(&adapter->pdev->dev, "ULA adapter"); | |
1429 | break; | |
1430 | case NETXEN_NON_ULA_ADAPTER_KEY: | |
1431 | dev_info(&adapter->pdev->dev, "non ULA adapter"); | |
1432 | break; | |
1433 | default: | |
1434 | break; | |
1435 | } | |
1436 | ||
1437 | return; | |
1438 | } | |
1439 | ||
dce87b96 | 1440 | #ifdef CONFIG_PCIEAER |
1441 | static void netxen_mask_aer_correctable(struct netxen_adapter *adapter) | |
1442 | { | |
1443 | struct pci_dev *pdev = adapter->pdev; | |
1444 | struct pci_dev *root = pdev->bus->self; | |
1445 | u32 aer_pos; | |
1446 | ||
e4d1aa40 NA |
1447 | /* root bus? */ |
1448 | if (!root) | |
1449 | return; | |
1450 | ||
dce87b96 | 1451 | if (adapter->ahw.board_type != NETXEN_BRDTYPE_P3_4_GB_MM && |
1452 | adapter->ahw.board_type != NETXEN_BRDTYPE_P3_10G_TP) | |
1453 | return; | |
1454 | ||
62f87c0e | 1455 | if (pci_pcie_type(root) != PCI_EXP_TYPE_ROOT_PORT) |
dce87b96 | 1456 | return; |
1457 | ||
1458 | aer_pos = pci_find_ext_capability(root, PCI_EXT_CAP_ID_ERR); | |
1459 | if (!aer_pos) | |
1460 | return; | |
1461 | ||
1462 | pci_write_config_dword(root, aer_pos + PCI_ERR_COR_MASK, 0xffff); | |
1463 | } | |
1464 | #endif | |
1465 | ||
c3f9c88c | 1466 | static int |
3d396eb1 AK |
1467 | netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) |
1468 | { | |
1469 | struct net_device *netdev = NULL; | |
1470 | struct netxen_adapter *adapter = NULL; | |
2956640d | 1471 | int i = 0, err; |
3176ff3e | 1472 | int pci_func_id = PCI_FUNC(pdev->devfn); |
2956640d | 1473 | uint8_t revision_id; |
5a6f95e6 | 1474 | u32 val; |
3d396eb1 | 1475 | |
688328c7 | 1476 | if (pdev->revision >= NX_P3_A0 && pdev->revision <= NX_P3_B1) { |
fe3881cf JP |
1477 | pr_warn("%s: chip revisions between 0x%x-0x%x will not be enabled\n", |
1478 | module_name(THIS_MODULE), NX_P3_A0, NX_P3_B1); | |
11d89d63 DP |
1479 | return -ENODEV; |
1480 | } | |
1481 | ||
3d396eb1 AK |
1482 | if ((err = pci_enable_device(pdev))) |
1483 | return err; | |
2956640d | 1484 | |
3d396eb1 AK |
1485 | if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { |
1486 | err = -ENODEV; | |
1487 | goto err_out_disable_pdev; | |
1488 | } | |
1489 | ||
1490 | if ((err = pci_request_regions(pdev, netxen_nic_driver_name))) | |
1491 | goto err_out_disable_pdev; | |
1492 | ||
e87ad553 AKS |
1493 | if (NX_IS_REVISION_P3(pdev->revision)) |
1494 | pci_enable_pcie_error_reporting(pdev); | |
1495 | ||
3d396eb1 | 1496 | pci_set_master(pdev); |
3176ff3e MT |
1497 | |
1498 | netdev = alloc_etherdev(sizeof(struct netxen_adapter)); | |
1499 | if(!netdev) { | |
f17443f4 | 1500 | err = -ENOMEM; |
3176ff3e MT |
1501 | goto err_out_free_res; |
1502 | } | |
1503 | ||
3176ff3e MT |
1504 | SET_NETDEV_DEV(netdev, &pdev->dev); |
1505 | ||
4cf1653a | 1506 | adapter = netdev_priv(netdev); |
2956640d DP |
1507 | adapter->netdev = netdev; |
1508 | adapter->pdev = pdev; | |
13ba9c77 | 1509 | adapter->ahw.pci_func = pci_func_id; |
2956640d DP |
1510 | |
1511 | revision_id = pdev->revision; | |
1512 | adapter->ahw.revision_id = revision_id; | |
1513 | ||
f03b0ebd DP |
1514 | rwlock_init(&adapter->ahw.crb_lock); |
1515 | spin_lock_init(&adapter->ahw.mem_lock); | |
1516 | ||
d8b100c5 | 1517 | spin_lock_init(&adapter->tx_clean_lock); |
5cf4d323 | 1518 | INIT_LIST_HEAD(&adapter->mac_list); |
8a7fbfab | 1519 | INIT_LIST_HEAD(&adapter->ip_list); |
3ce06a32 | 1520 | |
97daee83 DP |
1521 | err = netxen_setup_pci_map(adapter); |
1522 | if (err) | |
6c80b18d | 1523 | goto err_out_free_netdev; |
3d396eb1 | 1524 | |
2d1a3bbd | 1525 | /* This will be reset for mezz cards */ |
3176ff3e | 1526 | adapter->portnum = pci_func_id; |
3176ff3e | 1527 | |
f17443f4 DP |
1528 | err = netxen_nic_get_board_info(adapter); |
1529 | if (err) { | |
1530 | dev_err(&pdev->dev, "Error getting board config info.\n"); | |
dcd56fdb DP |
1531 | goto err_out_iounmap; |
1532 | } | |
6c80b18d | 1533 | |
dce87b96 | 1534 | #ifdef CONFIG_PCIEAER |
1535 | netxen_mask_aer_correctable(adapter); | |
1536 | #endif | |
1537 | ||
13ba9c77 | 1538 | /* Mezz cards have PCI function 0,2,3 enabled */ |
1e2d0059 | 1539 | switch (adapter->ahw.board_type) { |
dc515f2e DP |
1540 | case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ: |
1541 | case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ: | |
1542 | if (pci_func_id >= 2) | |
13ba9c77 | 1543 | adapter->portnum = pci_func_id - 2; |
dc515f2e DP |
1544 | break; |
1545 | default: | |
1546 | break; | |
1547 | } | |
13ba9c77 | 1548 | |
e933d019 AKS |
1549 | err = netxen_check_flash_fw_compatibility(adapter); |
1550 | if (err) | |
1551 | goto err_out_iounmap; | |
1552 | ||
5a6f95e6 RB |
1553 | if (adapter->portnum == 0) { |
1554 | val = NXRD32(adapter, NX_CRB_DEV_REF_COUNT); | |
1555 | if (val != 0xffffffff && val != 0) { | |
683b65f8 RB |
1556 | NXWR32(adapter, NX_CRB_DEV_REF_COUNT, 0); |
1557 | adapter->need_fw_reset = 1; | |
1558 | } | |
1559 | } | |
1560 | ||
6a581e93 | 1561 | err = netxen_start_firmware(adapter); |
0b72e659 | 1562 | if (err) |
8f9b3f69 | 1563 | goto err_out_decr_ref; |
f17443f4 | 1564 | |
3d396eb1 | 1565 | /* |
6c80b18d | 1566 | * See if the firmware gave us a virtual-physical port mapping. |
3d396eb1 | 1567 | */ |
dcd56fdb | 1568 | adapter->physical_port = adapter->portnum; |
4f96b988 | 1569 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { |
f98a9f69 | 1570 | i = NXRD32(adapter, CRB_V2P(adapter->portnum)); |
044fad0d DP |
1571 | if (i != 0x55555555) |
1572 | adapter->physical_port = i; | |
1573 | } | |
6c80b18d | 1574 | |
6a581e93 | 1575 | netxen_nic_clear_stats(adapter); |
2956640d | 1576 | |
b37eb210 MC |
1577 | err = netxen_setup_intr(adapter); |
1578 | ||
1579 | if (err) { | |
1580 | dev_err(&adapter->pdev->dev, | |
1581 | "Failed to setup interrupts, error = %d\n", err); | |
1582 | goto err_out_disable_msi; | |
1583 | } | |
2956640d | 1584 | |
5e7856b3 SS |
1585 | netxen_read_ula_info(adapter); |
1586 | ||
f17443f4 | 1587 | err = netxen_setup_netdev(adapter, netdev); |
9dc28efe | 1588 | if (err) |
2956640d | 1589 | goto err_out_disable_msi; |
6c80b18d MT |
1590 | |
1591 | pci_set_drvdata(pdev, adapter); | |
3d396eb1 | 1592 | |
6a581e93 DP |
1593 | netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY); |
1594 | ||
1e2d0059 | 1595 | switch (adapter->ahw.port_type) { |
2956640d DP |
1596 | case NETXEN_NIC_GBE: |
1597 | dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", | |
1598 | adapter->netdev->name); | |
1599 | break; | |
1600 | case NETXEN_NIC_XGBE: | |
1601 | dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", | |
1602 | adapter->netdev->name); | |
1603 | break; | |
3d396eb1 | 1604 | } |
3d396eb1 | 1605 | |
70f9cf89 DP |
1606 | netxen_create_diag_entries(adapter); |
1607 | ||
2956640d DP |
1608 | return 0; |
1609 | ||
1610 | err_out_disable_msi: | |
97daee83 | 1611 | netxen_teardown_intr(adapter); |
6c80b18d | 1612 | |
83ac51fa | 1613 | netxen_free_dummy_dma(adapter); |
3d396eb1 | 1614 | |
8f9b3f69 | 1615 | err_out_decr_ref: |
6a581e93 DP |
1616 | nx_decr_dev_ref_cnt(adapter); |
1617 | ||
2956640d | 1618 | err_out_iounmap: |
97daee83 | 1619 | netxen_cleanup_pci_map(adapter); |
cb8011ad | 1620 | |
6c80b18d MT |
1621 | err_out_free_netdev: |
1622 | free_netdev(netdev); | |
1623 | ||
1624 | err_out_free_res: | |
3d396eb1 | 1625 | pci_release_regions(pdev); |
6c80b18d MT |
1626 | |
1627 | err_out_disable_pdev: | |
3d396eb1 AK |
1628 | pci_disable_device(pdev); |
1629 | return err; | |
1630 | } | |
1631 | ||
83f18a55 M |
1632 | static |
1633 | void netxen_cleanup_minidump(struct netxen_adapter *adapter) | |
1634 | { | |
1635 | kfree(adapter->mdump.md_template); | |
1636 | adapter->mdump.md_template = NULL; | |
1637 | ||
1638 | if (adapter->mdump.md_capture_buff) { | |
1639 | vfree(adapter->mdump.md_capture_buff); | |
1640 | adapter->mdump.md_capture_buff = NULL; | |
1641 | } | |
1642 | } | |
1643 | ||
c3f9c88c | 1644 | static void netxen_nic_remove(struct pci_dev *pdev) |
3d396eb1 AK |
1645 | { |
1646 | struct netxen_adapter *adapter; | |
3176ff3e | 1647 | struct net_device *netdev; |
3d396eb1 | 1648 | |
6c80b18d | 1649 | adapter = pci_get_drvdata(pdev); |
3d396eb1 AK |
1650 | if (adapter == NULL) |
1651 | return; | |
1652 | ||
6c80b18d MT |
1653 | netdev = adapter->netdev; |
1654 | ||
6a581e93 DP |
1655 | netxen_cancel_fw_work(adapter); |
1656 | ||
96acb6eb DP |
1657 | unregister_netdev(netdev); |
1658 | ||
e424fa9d AKS |
1659 | cancel_work_sync(&adapter->tx_timeout_task); |
1660 | ||
8a7fbfab | 1661 | netxen_free_ip_list(adapter, false); |
7042cd8f | 1662 | netxen_nic_detach(adapter); |
3d396eb1 | 1663 | |
6a581e93 DP |
1664 | nx_decr_dev_ref_cnt(adapter); |
1665 | ||
439b454e | 1666 | if (adapter->portnum == 0) |
83ac51fa | 1667 | netxen_free_dummy_dma(adapter); |
96acb6eb | 1668 | |
6a581e93 DP |
1669 | clear_bit(__NX_RESETTING, &adapter->state); |
1670 | ||
97daee83 | 1671 | netxen_teardown_intr(adapter); |
b37eb210 | 1672 | netxen_set_interrupt_mode(adapter, 0); |
70f9cf89 DP |
1673 | netxen_remove_diag_entries(adapter); |
1674 | ||
97daee83 | 1675 | netxen_cleanup_pci_map(adapter); |
595e3fb8 | 1676 | |
f7185c71 DP |
1677 | netxen_release_firmware(adapter); |
1678 | ||
83f18a55 M |
1679 | if (NX_IS_REVISION_P3(pdev->revision)) { |
1680 | netxen_cleanup_minidump(adapter); | |
e87ad553 | 1681 | pci_disable_pcie_error_reporting(pdev); |
83f18a55 | 1682 | } |
e87ad553 | 1683 | |
595e3fb8 | 1684 | pci_release_regions(pdev); |
3052246c | 1685 | pci_disable_device(pdev); |
595e3fb8 | 1686 | |
6c80b18d | 1687 | free_netdev(netdev); |
3d396eb1 | 1688 | } |
e87ad553 AKS |
1689 | |
1690 | static void netxen_nic_detach_func(struct netxen_adapter *adapter) | |
0b72e659 | 1691 | { |
0b72e659 DP |
1692 | struct net_device *netdev = adapter->netdev; |
1693 | ||
1694 | netif_device_detach(netdev); | |
1695 | ||
6a581e93 DP |
1696 | netxen_cancel_fw_work(adapter); |
1697 | ||
0b72e659 DP |
1698 | if (netif_running(netdev)) |
1699 | netxen_nic_down(adapter, netdev); | |
1700 | ||
e424fa9d AKS |
1701 | cancel_work_sync(&adapter->tx_timeout_task); |
1702 | ||
7042cd8f | 1703 | netxen_nic_detach(adapter); |
0b72e659 | 1704 | |
22b5794b AKS |
1705 | if (adapter->portnum == 0) |
1706 | netxen_free_dummy_dma(adapter); | |
1707 | ||
6a581e93 DP |
1708 | nx_decr_dev_ref_cnt(adapter); |
1709 | ||
1710 | clear_bit(__NX_RESETTING, &adapter->state); | |
22b5794b | 1711 | } |
0b72e659 | 1712 | |
e87ad553 | 1713 | static int netxen_nic_attach_func(struct pci_dev *pdev) |
0b72e659 DP |
1714 | { |
1715 | struct netxen_adapter *adapter = pci_get_drvdata(pdev); | |
1716 | struct net_device *netdev = adapter->netdev; | |
1717 | int err; | |
1718 | ||
0b72e659 DP |
1719 | err = pci_enable_device(pdev); |
1720 | if (err) | |
1721 | return err; | |
1722 | ||
bc86fcba AKS |
1723 | pci_set_power_state(pdev, PCI_D0); |
1724 | pci_set_master(pdev); | |
1725 | pci_restore_state(pdev); | |
1726 | ||
907fa120 | 1727 | adapter->ahw.crb_win = -1; |
47abe356 | 1728 | adapter->ahw.ocm_win = -1; |
0b72e659 | 1729 | |
6a581e93 | 1730 | err = netxen_start_firmware(adapter); |
0b72e659 DP |
1731 | if (err) { |
1732 | dev_err(&pdev->dev, "failed to start firmware\n"); | |
1733 | return err; | |
1734 | } | |
1735 | ||
1736 | if (netif_running(netdev)) { | |
1737 | err = netxen_nic_attach(adapter); | |
1738 | if (err) | |
6a581e93 | 1739 | goto err_out; |
0b72e659 DP |
1740 | |
1741 | err = netxen_nic_up(adapter, netdev); | |
1742 | if (err) | |
6a581e93 | 1743 | goto err_out_detach; |
0b72e659 | 1744 | |
57569d0e | 1745 | netxen_restore_indev_addr(netdev, NETDEV_UP); |
0b72e659 DP |
1746 | } |
1747 | ||
bc86fcba | 1748 | netif_device_attach(netdev); |
6a581e93 | 1749 | netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY); |
07653aa3 | 1750 | return 0; |
6a581e93 DP |
1751 | |
1752 | err_out_detach: | |
1753 | netxen_nic_detach(adapter); | |
1754 | err_out: | |
1755 | nx_decr_dev_ref_cnt(adapter); | |
1756 | return err; | |
0b72e659 | 1757 | } |
e87ad553 AKS |
1758 | |
1759 | static pci_ers_result_t netxen_io_error_detected(struct pci_dev *pdev, | |
1760 | pci_channel_state_t state) | |
1761 | { | |
1762 | struct netxen_adapter *adapter = pci_get_drvdata(pdev); | |
1763 | ||
1764 | if (state == pci_channel_io_perm_failure) | |
1765 | return PCI_ERS_RESULT_DISCONNECT; | |
1766 | ||
1767 | if (nx_dev_request_aer(adapter)) | |
1768 | return PCI_ERS_RESULT_RECOVERED; | |
1769 | ||
1770 | netxen_nic_detach_func(adapter); | |
1771 | ||
1772 | pci_disable_device(pdev); | |
1773 | ||
1774 | return PCI_ERS_RESULT_NEED_RESET; | |
1775 | } | |
1776 | ||
1777 | static pci_ers_result_t netxen_io_slot_reset(struct pci_dev *pdev) | |
1778 | { | |
1779 | int err = 0; | |
1780 | ||
1781 | err = netxen_nic_attach_func(pdev); | |
1782 | ||
1783 | return err ? PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_RECOVERED; | |
1784 | } | |
1785 | ||
1786 | static void netxen_io_resume(struct pci_dev *pdev) | |
1787 | { | |
1788 | pci_cleanup_aer_uncorrect_error_status(pdev); | |
1789 | } | |
1790 | ||
1791 | static void netxen_nic_shutdown(struct pci_dev *pdev) | |
1792 | { | |
1793 | struct netxen_adapter *adapter = pci_get_drvdata(pdev); | |
1794 | ||
1795 | netxen_nic_detach_func(adapter); | |
1796 | ||
1797 | if (pci_save_state(pdev)) | |
1798 | return; | |
1799 | ||
1800 | if (netxen_nic_wol_supported(adapter)) { | |
1801 | pci_enable_wake(pdev, PCI_D3cold, 1); | |
1802 | pci_enable_wake(pdev, PCI_D3hot, 1); | |
1803 | } | |
1804 | ||
1805 | pci_disable_device(pdev); | |
1806 | } | |
1807 | ||
1808 | #ifdef CONFIG_PM | |
1809 | static int | |
1810 | netxen_nic_suspend(struct pci_dev *pdev, pm_message_t state) | |
1811 | { | |
1812 | struct netxen_adapter *adapter = pci_get_drvdata(pdev); | |
1813 | int retval; | |
1814 | ||
1815 | netxen_nic_detach_func(adapter); | |
1816 | ||
1817 | retval = pci_save_state(pdev); | |
1818 | if (retval) | |
1819 | return retval; | |
1820 | ||
1821 | if (netxen_nic_wol_supported(adapter)) { | |
1822 | pci_enable_wake(pdev, PCI_D3cold, 1); | |
1823 | pci_enable_wake(pdev, PCI_D3hot, 1); | |
1824 | } | |
1825 | ||
1826 | pci_disable_device(pdev); | |
1827 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); | |
1828 | ||
1829 | return 0; | |
1830 | } | |
1831 | ||
1832 | static int | |
1833 | netxen_nic_resume(struct pci_dev *pdev) | |
1834 | { | |
1835 | return netxen_nic_attach_func(pdev); | |
1836 | } | |
01542cd1 | 1837 | #endif |
0b72e659 | 1838 | |
3d396eb1 AK |
1839 | static int netxen_nic_open(struct net_device *netdev) |
1840 | { | |
4cf1653a | 1841 | struct netxen_adapter *adapter = netdev_priv(netdev); |
3d396eb1 | 1842 | int err = 0; |
3d396eb1 | 1843 | |
dcd56fdb DP |
1844 | if (adapter->driver_mismatch) |
1845 | return -EIO; | |
1846 | ||
7042cd8f AKS |
1847 | err = netxen_nic_attach(adapter); |
1848 | if (err) | |
1849 | return err; | |
2956640d | 1850 | |
6f771419 | 1851 | err = __netxen_nic_up(adapter, netdev); |
9f5bc7f1 DP |
1852 | if (err) |
1853 | goto err_out; | |
05aaa02d | 1854 | |
dcd56fdb | 1855 | netif_start_queue(netdev); |
3d396eb1 AK |
1856 | |
1857 | return 0; | |
2956640d | 1858 | |
9f5bc7f1 DP |
1859 | err_out: |
1860 | netxen_nic_detach(adapter); | |
2956640d | 1861 | return err; |
3d396eb1 AK |
1862 | } |
1863 | ||
1864 | /* | |
1865 | * netxen_nic_close - Disables a network interface entry point | |
1866 | */ | |
1867 | static int netxen_nic_close(struct net_device *netdev) | |
1868 | { | |
3176ff3e | 1869 | struct netxen_adapter *adapter = netdev_priv(netdev); |
3d396eb1 | 1870 | |
6f771419 | 1871 | __netxen_nic_down(adapter, netdev); |
3d396eb1 AK |
1872 | return 0; |
1873 | } | |
1874 | ||
1bcfd790 DP |
1875 | static void |
1876 | netxen_tso_check(struct net_device *netdev, | |
1877 | struct nx_host_tx_ring *tx_ring, | |
1878 | struct cmd_desc_type0 *first_desc, | |
1879 | struct sk_buff *skb) | |
cd1f8160 | 1880 | { |
391587c3 | 1881 | u8 opcode = TX_ETHER_PKT; |
cdff1036 | 1882 | __be16 protocol = skb->protocol; |
028afe71 | 1883 | u16 flags = 0, vid = 0; |
1bcfd790 | 1884 | u32 producer; |
028afe71 | 1885 | int copied, offset, copy_len, hdr_len = 0, tso = 0, vlan_oob = 0; |
1bcfd790 | 1886 | struct cmd_desc_type0 *hwdesc; |
028afe71 | 1887 | struct vlan_ethhdr *vh; |
cdff1036 | 1888 | |
09640e63 | 1889 | if (protocol == cpu_to_be16(ETH_P_8021Q)) { |
028afe71 DP |
1890 | |
1891 | vh = (struct vlan_ethhdr *)skb->data; | |
cdff1036 DP |
1892 | protocol = vh->h_vlan_encapsulated_proto; |
1893 | flags = FLAGS_VLAN_TAGGED; | |
028afe71 | 1894 | |
df8a39de | 1895 | } else if (skb_vlan_tag_present(skb)) { |
028afe71 | 1896 | flags = FLAGS_VLAN_OOB; |
df8a39de | 1897 | vid = skb_vlan_tag_get(skb); |
028afe71 DP |
1898 | netxen_set_tx_vlan_tci(first_desc, vid); |
1899 | vlan_oob = 1; | |
cdff1036 | 1900 | } |
cd1f8160 | 1901 | |
391587c3 DP |
1902 | if ((netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) && |
1903 | skb_shinfo(skb)->gso_size > 0) { | |
1904 | ||
1bcfd790 DP |
1905 | hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); |
1906 | ||
1907 | first_desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size); | |
1908 | first_desc->total_hdr_length = hdr_len; | |
028afe71 DP |
1909 | if (vlan_oob) { |
1910 | first_desc->total_hdr_length += VLAN_HLEN; | |
1911 | first_desc->tcp_hdr_offset = VLAN_HLEN; | |
1912 | first_desc->ip_hdr_offset = VLAN_HLEN; | |
1913 | /* Only in case of TSO on vlan device */ | |
1914 | flags |= FLAGS_VLAN_TAGGED; | |
1915 | } | |
391587c3 | 1916 | |
09640e63 | 1917 | opcode = (protocol == cpu_to_be16(ETH_P_IPV6)) ? |
391587c3 | 1918 | TX_TCP_LSO6 : TX_TCP_LSO; |
1bcfd790 | 1919 | tso = 1; |
cd1f8160 DP |
1920 | |
1921 | } else if (skb->ip_summed == CHECKSUM_PARTIAL) { | |
391587c3 DP |
1922 | u8 l4proto; |
1923 | ||
09640e63 | 1924 | if (protocol == cpu_to_be16(ETH_P_IP)) { |
391587c3 DP |
1925 | l4proto = ip_hdr(skb)->protocol; |
1926 | ||
1927 | if (l4proto == IPPROTO_TCP) | |
1928 | opcode = TX_TCP_PKT; | |
1929 | else if(l4proto == IPPROTO_UDP) | |
1930 | opcode = TX_UDP_PKT; | |
09640e63 | 1931 | } else if (protocol == cpu_to_be16(ETH_P_IPV6)) { |
391587c3 DP |
1932 | l4proto = ipv6_hdr(skb)->nexthdr; |
1933 | ||
1934 | if (l4proto == IPPROTO_TCP) | |
1935 | opcode = TX_TCPV6_PKT; | |
1936 | else if(l4proto == IPPROTO_UDP) | |
1937 | opcode = TX_UDPV6_PKT; | |
1938 | } | |
cd1f8160 | 1939 | } |
028afe71 DP |
1940 | |
1941 | first_desc->tcp_hdr_offset += skb_transport_offset(skb); | |
1942 | first_desc->ip_hdr_offset += skb_network_offset(skb); | |
1bcfd790 DP |
1943 | netxen_set_tx_flags_opcode(first_desc, flags, opcode); |
1944 | ||
1945 | if (!tso) | |
1946 | return; | |
1947 | ||
1948 | /* For LSO, we need to copy the MAC/IP/TCP headers into | |
1949 | * the descriptor ring | |
1950 | */ | |
1951 | producer = tx_ring->producer; | |
1952 | copied = 0; | |
1953 | offset = 2; | |
1954 | ||
028afe71 DP |
1955 | if (vlan_oob) { |
1956 | /* Create a TSO vlan header template for firmware */ | |
1957 | ||
1958 | hwdesc = &tx_ring->desc_head[producer]; | |
1959 | tx_ring->cmd_buf_arr[producer].skb = NULL; | |
1960 | ||
1961 | copy_len = min((int)sizeof(struct cmd_desc_type0) - offset, | |
1962 | hdr_len + VLAN_HLEN); | |
1963 | ||
1964 | vh = (struct vlan_ethhdr *)((char *)hwdesc + 2); | |
1965 | skb_copy_from_linear_data(skb, vh, 12); | |
1966 | vh->h_vlan_proto = htons(ETH_P_8021Q); | |
1967 | vh->h_vlan_TCI = htons(vid); | |
1968 | skb_copy_from_linear_data_offset(skb, 12, | |
1969 | (char *)vh + 16, copy_len - 16); | |
1970 | ||
545eb370 | 1971 | copied = copy_len - VLAN_HLEN; |
028afe71 DP |
1972 | offset = 0; |
1973 | ||
1974 | producer = get_next_index(producer, tx_ring->num_desc); | |
1975 | } | |
1976 | ||
1bcfd790 DP |
1977 | while (copied < hdr_len) { |
1978 | ||
1979 | copy_len = min((int)sizeof(struct cmd_desc_type0) - offset, | |
1980 | (hdr_len - copied)); | |
1981 | ||
1982 | hwdesc = &tx_ring->desc_head[producer]; | |
1983 | tx_ring->cmd_buf_arr[producer].skb = NULL; | |
1984 | ||
1985 | skb_copy_from_linear_data_offset(skb, copied, | |
1986 | (char *)hwdesc + offset, copy_len); | |
1987 | ||
1988 | copied += copy_len; | |
1989 | offset = 0; | |
1990 | ||
1991 | producer = get_next_index(producer, tx_ring->num_desc); | |
1992 | } | |
1993 | ||
1994 | tx_ring->producer = producer; | |
1995 | barrier(); | |
cd1f8160 DP |
1996 | } |
1997 | ||
ce644ed4 DP |
1998 | static int |
1999 | netxen_map_tx_skb(struct pci_dev *pdev, | |
2000 | struct sk_buff *skb, struct netxen_cmd_buffer *pbuf) | |
6f703406 | 2001 | { |
ce644ed4 DP |
2002 | struct netxen_skb_frag *nf; |
2003 | struct skb_frag_struct *frag; | |
2004 | int i, nr_frags; | |
2005 | dma_addr_t map; | |
2006 | ||
2007 | nr_frags = skb_shinfo(skb)->nr_frags; | |
2008 | nf = &pbuf->frag_array[0]; | |
2009 | ||
2010 | map = pci_map_single(pdev, skb->data, | |
2011 | skb_headlen(skb), PCI_DMA_TODEVICE); | |
2012 | if (pci_dma_mapping_error(pdev, map)) | |
2013 | goto out_err; | |
6f703406 | 2014 | |
ce644ed4 DP |
2015 | nf->dma = map; |
2016 | nf->length = skb_headlen(skb); | |
2017 | ||
2018 | for (i = 0; i < nr_frags; i++) { | |
2019 | frag = &skb_shinfo(skb)->frags[i]; | |
2020 | nf = &pbuf->frag_array[i+1]; | |
2021 | ||
9e903e08 | 2022 | map = skb_frag_dma_map(&pdev->dev, frag, 0, skb_frag_size(frag), |
5d6bcdfe IC |
2023 | DMA_TO_DEVICE); |
2024 | if (dma_mapping_error(&pdev->dev, map)) | |
ce644ed4 DP |
2025 | goto unwind; |
2026 | ||
2027 | nf->dma = map; | |
9e903e08 | 2028 | nf->length = skb_frag_size(frag); |
ce644ed4 DP |
2029 | } |
2030 | ||
2031 | return 0; | |
6f703406 | 2032 | |
ce644ed4 | 2033 | unwind: |
cf503e8f DP |
2034 | while (--i >= 0) { |
2035 | nf = &pbuf->frag_array[i+1]; | |
ce644ed4 | 2036 | pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE); |
a05948f2 | 2037 | nf->dma = 0ULL; |
6f703406 | 2038 | } |
ce644ed4 DP |
2039 | |
2040 | nf = &pbuf->frag_array[0]; | |
2041 | pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE); | |
a05948f2 | 2042 | nf->dma = 0ULL; |
ce644ed4 DP |
2043 | |
2044 | out_err: | |
2045 | return -ENOMEM; | |
6f703406 DP |
2046 | } |
2047 | ||
d32cc3d2 DP |
2048 | static inline void |
2049 | netxen_clear_cmddesc(u64 *desc) | |
2050 | { | |
1bcfd790 DP |
2051 | desc[0] = 0ULL; |
2052 | desc[2] = 0ULL; | |
d32cc3d2 DP |
2053 | } |
2054 | ||
61357325 | 2055 | static netdev_tx_t |
d32cc3d2 | 2056 | netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) |
3d396eb1 | 2057 | { |
3176ff3e | 2058 | struct netxen_adapter *adapter = netdev_priv(netdev); |
4ea528a1 | 2059 | struct nx_host_tx_ring *tx_ring = adapter->tx_ring; |
391587c3 | 2060 | struct netxen_cmd_buffer *pbuf; |
3d396eb1 | 2061 | struct netxen_skb_frag *buffrag; |
1bcfd790 DP |
2062 | struct cmd_desc_type0 *hwdesc, *first_desc; |
2063 | struct pci_dev *pdev; | |
391587c3 | 2064 | int i, k; |
c968bdf6 | 2065 | int delta = 0; |
2066 | struct skb_frag_struct *frag; | |
3d396eb1 | 2067 | |
cb2107be | 2068 | u32 producer; |
ce644ed4 | 2069 | int frag_count, no_of_desc; |
d877f1e3 | 2070 | u32 num_txd = tx_ring->num_desc; |
3d396eb1 | 2071 | |
3d396eb1 AK |
2072 | frag_count = skb_shinfo(skb)->nr_frags + 1; |
2073 | ||
c968bdf6 | 2074 | /* 14 frags supported for normal packet and |
2075 | * 32 frags supported for TSO packet | |
2076 | */ | |
2077 | if (!skb_is_gso(skb) && frag_count > NETXEN_MAX_FRAGS_PER_TX) { | |
2078 | ||
2079 | for (i = 0; i < (frag_count - NETXEN_MAX_FRAGS_PER_TX); i++) { | |
2080 | frag = &skb_shinfo(skb)->frags[i]; | |
9e903e08 | 2081 | delta += skb_frag_size(frag); |
c968bdf6 | 2082 | } |
2083 | ||
2084 | if (!__pskb_pull_tail(skb, delta)) | |
2085 | goto drop_packet; | |
2086 | ||
2087 | frag_count = 1 + skb_shinfo(skb)->nr_frags; | |
2088 | } | |
d877f1e3 | 2089 | /* 4 fragments per cmd des */ |
3d396eb1 | 2090 | no_of_desc = (frag_count + 3) >> 2; |
53a01e00 | 2091 | |
7a9905e6 | 2092 | if (unlikely(netxen_tx_avail(tx_ring) <= TX_STOP_THRESH)) { |
ba53e6b4 | 2093 | netif_stop_queue(netdev); |
7a9905e6 RB |
2094 | smp_mb(); |
2095 | if (netxen_tx_avail(tx_ring) > TX_STOP_THRESH) | |
2096 | netif_start_queue(netdev); | |
2097 | else | |
2098 | return NETDEV_TX_BUSY; | |
53a01e00 | 2099 | } |
3d396eb1 | 2100 | |
cb2107be | 2101 | producer = tx_ring->producer; |
ce644ed4 | 2102 | pbuf = &tx_ring->cmd_buf_arr[producer]; |
cb2107be | 2103 | |
1bcfd790 | 2104 | pdev = adapter->pdev; |
391587c3 | 2105 | |
ce644ed4 | 2106 | if (netxen_map_tx_skb(pdev, skb, pbuf)) |
1bcfd790 | 2107 | goto drop_packet; |
391587c3 | 2108 | |
3d396eb1 | 2109 | pbuf->skb = skb; |
3d396eb1 | 2110 | pbuf->frag_count = frag_count; |
6f703406 | 2111 | |
1bcfd790 DP |
2112 | first_desc = hwdesc = &tx_ring->desc_head[producer]; |
2113 | netxen_clear_cmddesc((u64 *)hwdesc); | |
3d396eb1 | 2114 | |
ce644ed4 DP |
2115 | netxen_set_tx_frags_len(first_desc, frag_count, skb->len); |
2116 | netxen_set_tx_port(first_desc, adapter->portnum); | |
3d396eb1 | 2117 | |
ce644ed4 | 2118 | for (i = 0; i < frag_count; i++) { |
3d396eb1 | 2119 | |
ce644ed4 DP |
2120 | k = i % 4; |
2121 | ||
2122 | if ((k == 0) && (i > 0)) { | |
2123 | /* move to next desc.*/ | |
ba53e6b4 | 2124 | producer = get_next_index(producer, num_txd); |
d877f1e3 | 2125 | hwdesc = &tx_ring->desc_head[producer]; |
d32cc3d2 | 2126 | netxen_clear_cmddesc((u64 *)hwdesc); |
ce644ed4 | 2127 | tx_ring->cmd_buf_arr[producer].skb = NULL; |
6f703406 | 2128 | } |
3d396eb1 | 2129 | |
ce644ed4 | 2130 | buffrag = &pbuf->frag_array[i]; |
3d396eb1 | 2131 | |
ce644ed4 | 2132 | hwdesc->buffer_length[k] = cpu_to_le16(buffrag->length); |
3d396eb1 AK |
2133 | switch (k) { |
2134 | case 0: | |
ce644ed4 | 2135 | hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma); |
3d396eb1 AK |
2136 | break; |
2137 | case 1: | |
ce644ed4 | 2138 | hwdesc->addr_buffer2 = cpu_to_le64(buffrag->dma); |
3d396eb1 AK |
2139 | break; |
2140 | case 2: | |
ce644ed4 | 2141 | hwdesc->addr_buffer3 = cpu_to_le64(buffrag->dma); |
3d396eb1 AK |
2142 | break; |
2143 | case 3: | |
ce644ed4 | 2144 | hwdesc->addr_buffer4 = cpu_to_le64(buffrag->dma); |
3d396eb1 AK |
2145 | break; |
2146 | } | |
3d396eb1 | 2147 | } |
ce644ed4 | 2148 | |
1bcfd790 | 2149 | tx_ring->producer = get_next_index(producer, num_txd); |
3d396eb1 | 2150 | |
1bcfd790 | 2151 | netxen_tso_check(netdev, tx_ring, first_desc, skb); |
6c80b18d | 2152 | |
1bcfd790 | 2153 | adapter->stats.txbytes += skb->len; |
ba53e6b4 | 2154 | adapter->stats.xmitcalled++; |
3d396eb1 | 2155 | |
c82b9d7f ED |
2156 | netxen_nic_update_cmd_producer(adapter, tx_ring); |
2157 | ||
3d396eb1 | 2158 | return NETDEV_TX_OK; |
6f703406 DP |
2159 | |
2160 | drop_packet: | |
2161 | adapter->stats.txdropped++; | |
2162 | dev_kfree_skb_any(skb); | |
2163 | return NETDEV_TX_OK; | |
3d396eb1 AK |
2164 | } |
2165 | ||
a97342f9 DP |
2166 | static int netxen_nic_check_temp(struct netxen_adapter *adapter) |
2167 | { | |
2168 | struct net_device *netdev = adapter->netdev; | |
2169 | uint32_t temp, temp_state, temp_val; | |
2170 | int rv = 0; | |
2171 | ||
f98a9f69 | 2172 | temp = NXRD32(adapter, CRB_TEMP_STATE); |
a97342f9 DP |
2173 | |
2174 | temp_state = nx_get_temp_state(temp); | |
2175 | temp_val = nx_get_temp_val(temp); | |
2176 | ||
2177 | if (temp_state == NX_TEMP_PANIC) { | |
2178 | printk(KERN_ALERT | |
2179 | "%s: Device temperature %d degrees C exceeds" | |
2180 | " maximum allowed. Hardware has been shut down.\n", | |
e4135c2d | 2181 | netdev->name, temp_val); |
a97342f9 DP |
2182 | rv = 1; |
2183 | } else if (temp_state == NX_TEMP_WARN) { | |
2184 | if (adapter->temp == NX_TEMP_NORMAL) { | |
2185 | printk(KERN_ALERT | |
2186 | "%s: Device temperature %d degrees C " | |
2187 | "exceeds operating range." | |
2188 | " Immediate action needed.\n", | |
e4135c2d | 2189 | netdev->name, temp_val); |
a97342f9 DP |
2190 | } |
2191 | } else { | |
2192 | if (adapter->temp == NX_TEMP_WARN) { | |
2193 | printk(KERN_INFO | |
2194 | "%s: Device temperature is now %d degrees C" | |
e4135c2d | 2195 | " in normal range.\n", netdev->name, |
a97342f9 DP |
2196 | temp_val); |
2197 | } | |
2198 | } | |
2199 | adapter->temp = temp_state; | |
2200 | return rv; | |
2201 | } | |
2202 | ||
3bf26ce3 | 2203 | void netxen_advert_link_change(struct netxen_adapter *adapter, int linkup) |
a97342f9 DP |
2204 | { |
2205 | struct net_device *netdev = adapter->netdev; | |
a97342f9 DP |
2206 | |
2207 | if (adapter->ahw.linkup && !linkup) { | |
2208 | printk(KERN_INFO "%s: %s NIC Link is down\n", | |
2209 | netxen_nic_driver_name, netdev->name); | |
2210 | adapter->ahw.linkup = 0; | |
2211 | if (netif_running(netdev)) { | |
2212 | netif_carrier_off(netdev); | |
2213 | netif_stop_queue(netdev); | |
2214 | } | |
e424fa9d | 2215 | adapter->link_changed = !adapter->has_link_events; |
a97342f9 DP |
2216 | } else if (!adapter->ahw.linkup && linkup) { |
2217 | printk(KERN_INFO "%s: %s NIC Link is up\n", | |
2218 | netxen_nic_driver_name, netdev->name); | |
2219 | adapter->ahw.linkup = 1; | |
2220 | if (netif_running(netdev)) { | |
2221 | netif_carrier_on(netdev); | |
2222 | netif_wake_queue(netdev); | |
2223 | } | |
e424fa9d | 2224 | adapter->link_changed = !adapter->has_link_events; |
a97342f9 DP |
2225 | } |
2226 | } | |
2227 | ||
3bf26ce3 DP |
2228 | static void netxen_nic_handle_phy_intr(struct netxen_adapter *adapter) |
2229 | { | |
2230 | u32 val, port, linkup; | |
2231 | ||
2232 | port = adapter->physical_port; | |
2233 | ||
2234 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { | |
f98a9f69 | 2235 | val = NXRD32(adapter, CRB_XG_STATE_P3); |
3bf26ce3 DP |
2236 | val = XG_LINK_STATE_P3(adapter->ahw.pci_func, val); |
2237 | linkup = (val == XG_LINK_UP_P3); | |
2238 | } else { | |
f98a9f69 | 2239 | val = NXRD32(adapter, CRB_XG_STATE); |
a4b751d8 SC |
2240 | val = (val >> port*8) & 0xff; |
2241 | linkup = (val == XG_LINK_UP); | |
3bf26ce3 DP |
2242 | } |
2243 | ||
2244 | netxen_advert_link_change(adapter, linkup); | |
2245 | } | |
2246 | ||
3d396eb1 AK |
2247 | static void netxen_tx_timeout(struct net_device *netdev) |
2248 | { | |
e424fa9d | 2249 | struct netxen_adapter *adapter = netdev_priv(netdev); |
f17443f4 | 2250 | |
6a581e93 DP |
2251 | if (test_bit(__NX_RESETTING, &adapter->state)) |
2252 | return; | |
2253 | ||
f17443f4 | 2254 | dev_err(&netdev->dev, "transmit timeout, resetting.\n"); |
e424fa9d | 2255 | schedule_work(&adapter->tx_timeout_task); |
3d396eb1 AK |
2256 | } |
2257 | ||
74c520da | 2258 | static void netxen_tx_timeout_task(struct work_struct *work) |
3d396eb1 | 2259 | { |
4790654c | 2260 | struct netxen_adapter *adapter = |
3176ff3e | 2261 | container_of(work, struct netxen_adapter, tx_timeout_task); |
3d396eb1 | 2262 | |
b2af9cb0 DP |
2263 | if (!netif_running(adapter->netdev)) |
2264 | return; | |
2265 | ||
74c520da | 2266 | if (test_and_set_bit(__NX_RESETTING, &adapter->state)) |
6a581e93 DP |
2267 | return; |
2268 | ||
74c520da AKS |
2269 | if (++adapter->tx_timeo_cnt >= NX_MAX_TX_TIMEOUTS) |
2270 | goto request_reset; | |
2271 | ||
16d884bd | 2272 | rtnl_lock(); |
74c520da AKS |
2273 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { |
2274 | /* try to scrub interrupt */ | |
2275 | netxen_napi_disable(adapter); | |
ba53e6b4 | 2276 | |
74c520da AKS |
2277 | netxen_napi_enable(adapter); |
2278 | ||
2279 | netif_wake_queue(adapter->netdev); | |
2280 | ||
a598ae17 | 2281 | clear_bit(__NX_RESETTING, &adapter->state); |
74c520da | 2282 | } else { |
a598ae17 | 2283 | clear_bit(__NX_RESETTING, &adapter->state); |
16d884bd AKS |
2284 | if (netxen_nic_reset_context(adapter)) { |
2285 | rtnl_unlock(); | |
2286 | goto request_reset; | |
74c520da | 2287 | } |
74c520da | 2288 | } |
16d884bd AKS |
2289 | adapter->netdev->trans_start = jiffies; |
2290 | rtnl_unlock(); | |
2291 | return; | |
74c520da AKS |
2292 | |
2293 | request_reset: | |
2294 | adapter->need_fw_reset = 1; | |
ff8a306d | 2295 | clear_bit(__NX_RESETTING, &adapter->state); |
3d396eb1 AK |
2296 | } |
2297 | ||
47fd428c | 2298 | static struct rtnl_link_stats64 *netxen_nic_get_stats(struct net_device *netdev, |
2299 | struct rtnl_link_stats64 *stats) | |
a97342f9 DP |
2300 | { |
2301 | struct netxen_adapter *adapter = netdev_priv(netdev); | |
a97342f9 | 2302 | |
1bb482f8 | 2303 | stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; |
e98e3350 | 2304 | stats->tx_packets = adapter->stats.xmitfinished; |
a97342f9 | 2305 | stats->rx_bytes = adapter->stats.rxbytes; |
a97342f9 | 2306 | stats->tx_bytes = adapter->stats.txbytes; |
a97342f9 | 2307 | stats->rx_dropped = adapter->stats.rxdropped; |
a97342f9 DP |
2308 | stats->tx_dropped = adapter->stats.txdropped; |
2309 | ||
2310 | return stats; | |
2311 | } | |
2312 | ||
e4c93c81 | 2313 | static irqreturn_t netxen_intr(int irq, void *data) |
3d396eb1 | 2314 | { |
d8b100c5 DP |
2315 | struct nx_host_sds_ring *sds_ring = data; |
2316 | struct netxen_adapter *adapter = sds_ring->adapter; | |
d71e1be8 DP |
2317 | u32 status = 0; |
2318 | ||
195c5f98 | 2319 | status = readl(adapter->isr_int_vec); |
d71e1be8 | 2320 | |
195c5f98 | 2321 | if (!(status & adapter->int_vec_bit)) |
05aaa02d | 2322 | return IRQ_NONE; |
e01872af | 2323 | |
195c5f98 | 2324 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { |
d71e1be8 | 2325 | /* check interrupt state machine, to be sure */ |
195c5f98 | 2326 | status = readl(adapter->crb_int_state_reg); |
d71e1be8 DP |
2327 | if (!ISR_LEGACY_INT_TRIGGERED(status)) |
2328 | return IRQ_NONE; | |
2329 | ||
092bc571 DP |
2330 | } else { |
2331 | unsigned long our_int = 0; | |
d71e1be8 | 2332 | |
195c5f98 | 2333 | our_int = readl(adapter->crb_int_state_reg); |
092bc571 | 2334 | |
d71e1be8 | 2335 | /* not our interrupt */ |
092bc571 | 2336 | if (!test_and_clear_bit((7 + adapter->portnum), &our_int)) |
d71e1be8 DP |
2337 | return IRQ_NONE; |
2338 | ||
092bc571 | 2339 | /* claim interrupt */ |
195c5f98 | 2340 | writel((our_int & 0xffffffff), adapter->crb_int_state_reg); |
e01872af | 2341 | |
195c5f98 | 2342 | /* clear interrupt */ |
d8b100c5 | 2343 | netxen_nic_disable_int(sds_ring); |
195c5f98 | 2344 | } |
092bc571 | 2345 | |
195c5f98 | 2346 | writel(0xffffffff, adapter->tgt_status_reg); |
092bc571 | 2347 | /* read twice to ensure write is flushed */ |
195c5f98 AKS |
2348 | readl(adapter->isr_int_vec); |
2349 | readl(adapter->isr_int_vec); | |
092bc571 | 2350 | |
d8b100c5 | 2351 | napi_schedule(&sds_ring->napi); |
3d396eb1 AK |
2352 | |
2353 | return IRQ_HANDLED; | |
2354 | } | |
2355 | ||
e4c93c81 | 2356 | static irqreturn_t netxen_msi_intr(int irq, void *data) |
05aaa02d | 2357 | { |
d8b100c5 DP |
2358 | struct nx_host_sds_ring *sds_ring = data; |
2359 | struct netxen_adapter *adapter = sds_ring->adapter; | |
05aaa02d | 2360 | |
092bc571 | 2361 | /* clear interrupt */ |
195c5f98 | 2362 | writel(0xffffffff, adapter->tgt_status_reg); |
092bc571 | 2363 | |
d8b100c5 | 2364 | napi_schedule(&sds_ring->napi); |
05aaa02d DP |
2365 | return IRQ_HANDLED; |
2366 | } | |
2367 | ||
b3df68f8 DP |
2368 | static irqreturn_t netxen_msix_intr(int irq, void *data) |
2369 | { | |
d8b100c5 | 2370 | struct nx_host_sds_ring *sds_ring = data; |
b3df68f8 | 2371 | |
d8b100c5 | 2372 | napi_schedule(&sds_ring->napi); |
b3df68f8 DP |
2373 | return IRQ_HANDLED; |
2374 | } | |
2375 | ||
bea3348e | 2376 | static int netxen_nic_poll(struct napi_struct *napi, int budget) |
3d396eb1 | 2377 | { |
d8b100c5 DP |
2378 | struct nx_host_sds_ring *sds_ring = |
2379 | container_of(napi, struct nx_host_sds_ring, napi); | |
2380 | ||
2381 | struct netxen_adapter *adapter = sds_ring->adapter; | |
2382 | ||
05aaa02d | 2383 | int tx_complete; |
bea3348e | 2384 | int work_done; |
3d396eb1 | 2385 | |
05aaa02d | 2386 | tx_complete = netxen_process_cmd_ring(adapter); |
3d396eb1 | 2387 | |
d8b100c5 | 2388 | work_done = netxen_process_rcv_ring(sds_ring, budget); |
3d396eb1 | 2389 | |
6088beef ED |
2390 | if (!tx_complete) |
2391 | work_done = budget; | |
2392 | ||
2393 | if (work_done < budget) { | |
d8b100c5 | 2394 | napi_complete(&sds_ring->napi); |
f2251f66 | 2395 | if (test_bit(__NX_DEV_UP, &adapter->state)) |
b2af9cb0 | 2396 | netxen_nic_enable_int(sds_ring); |
3d396eb1 AK |
2397 | } |
2398 | ||
bea3348e | 2399 | return work_done; |
3d396eb1 AK |
2400 | } |
2401 | ||
2402 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
2403 | static void netxen_nic_poll_controller(struct net_device *netdev) | |
2404 | { | |
7b589a35 YL |
2405 | int ring; |
2406 | struct nx_host_sds_ring *sds_ring; | |
3176ff3e | 2407 | struct netxen_adapter *adapter = netdev_priv(netdev); |
7b589a35 YL |
2408 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; |
2409 | ||
3d396eb1 | 2410 | disable_irq(adapter->irq); |
7b589a35 YL |
2411 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
2412 | sds_ring = &recv_ctx->sds_rings[ring]; | |
2413 | netxen_intr(adapter->irq, sds_ring); | |
2414 | } | |
3d396eb1 AK |
2415 | enable_irq(adapter->irq); |
2416 | } | |
2417 | #endif | |
3d396eb1 | 2418 | |
6a581e93 DP |
2419 | static int |
2420 | nx_incr_dev_ref_cnt(struct netxen_adapter *adapter) | |
2421 | { | |
2422 | int count; | |
2423 | if (netxen_api_lock(adapter)) | |
2424 | return -EIO; | |
2425 | ||
2426 | count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT); | |
2427 | ||
2428 | NXWR32(adapter, NX_CRB_DEV_REF_COUNT, ++count); | |
2429 | ||
2430 | netxen_api_unlock(adapter); | |
2431 | return count; | |
2432 | } | |
2433 | ||
2434 | static int | |
2435 | nx_decr_dev_ref_cnt(struct netxen_adapter *adapter) | |
2436 | { | |
83f18a55 | 2437 | int count, state; |
6a581e93 DP |
2438 | if (netxen_api_lock(adapter)) |
2439 | return -EIO; | |
2440 | ||
2441 | count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT); | |
2442 | WARN_ON(count == 0); | |
2443 | ||
2444 | NXWR32(adapter, NX_CRB_DEV_REF_COUNT, --count); | |
83f18a55 | 2445 | state = NXRD32(adapter, NX_CRB_DEV_STATE); |
6a581e93 | 2446 | |
83f18a55 | 2447 | if (count == 0 && state != NX_DEV_FAILED) |
6a581e93 DP |
2448 | NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_COLD); |
2449 | ||
2450 | netxen_api_unlock(adapter); | |
2451 | return count; | |
2452 | } | |
2453 | ||
e87ad553 AKS |
2454 | static int |
2455 | nx_dev_request_aer(struct netxen_adapter *adapter) | |
2456 | { | |
2457 | u32 state; | |
2458 | int ret = -EINVAL; | |
2459 | ||
2460 | if (netxen_api_lock(adapter)) | |
2461 | return ret; | |
2462 | ||
2463 | state = NXRD32(adapter, NX_CRB_DEV_STATE); | |
2464 | ||
2465 | if (state == NX_DEV_NEED_AER) | |
2466 | ret = 0; | |
2467 | else if (state == NX_DEV_READY) { | |
2468 | NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_NEED_AER); | |
2469 | ret = 0; | |
2470 | } | |
2471 | ||
2472 | netxen_api_unlock(adapter); | |
2473 | return ret; | |
2474 | } | |
2475 | ||
83f18a55 | 2476 | int |
74c520da AKS |
2477 | nx_dev_request_reset(struct netxen_adapter *adapter) |
2478 | { | |
2479 | u32 state; | |
e87ad553 | 2480 | int ret = -EINVAL; |
74c520da AKS |
2481 | |
2482 | if (netxen_api_lock(adapter)) | |
e87ad553 | 2483 | return ret; |
74c520da AKS |
2484 | |
2485 | state = NXRD32(adapter, NX_CRB_DEV_STATE); | |
2486 | ||
83f18a55 | 2487 | if (state == NX_DEV_NEED_RESET || state == NX_DEV_FAILED) |
e87ad553 AKS |
2488 | ret = 0; |
2489 | else if (state != NX_DEV_INITALIZING && state != NX_DEV_NEED_AER) { | |
74c520da | 2490 | NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_NEED_RESET); |
83f18a55 | 2491 | adapter->flags |= NETXEN_FW_RESET_OWNER; |
e87ad553 AKS |
2492 | ret = 0; |
2493 | } | |
74c520da AKS |
2494 | |
2495 | netxen_api_unlock(adapter); | |
e87ad553 AKS |
2496 | |
2497 | return ret; | |
74c520da AKS |
2498 | } |
2499 | ||
6a581e93 DP |
2500 | static int |
2501 | netxen_can_start_firmware(struct netxen_adapter *adapter) | |
2502 | { | |
2503 | int count; | |
2504 | int can_start = 0; | |
2505 | ||
83f18a55 M |
2506 | if (netxen_api_lock(adapter)) { |
2507 | nx_incr_dev_ref_cnt(adapter); | |
2508 | return -1; | |
2509 | } | |
6a581e93 DP |
2510 | |
2511 | count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT); | |
2512 | ||
2513 | if ((count < 0) || (count >= NX_MAX_PCI_FUNC)) | |
2514 | count = 0; | |
2515 | ||
2516 | if (count == 0) { | |
2517 | can_start = 1; | |
2518 | NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_INITALIZING); | |
2519 | } | |
2520 | ||
2521 | NXWR32(adapter, NX_CRB_DEV_REF_COUNT, ++count); | |
2522 | ||
2523 | netxen_api_unlock(adapter); | |
2524 | ||
2525 | return can_start; | |
2526 | } | |
2527 | ||
2528 | static void | |
2529 | netxen_schedule_work(struct netxen_adapter *adapter, | |
2530 | work_func_t func, int delay) | |
2531 | { | |
2532 | INIT_DELAYED_WORK(&adapter->fw_work, func); | |
2533 | schedule_delayed_work(&adapter->fw_work, delay); | |
2534 | } | |
2535 | ||
2536 | static void | |
2537 | netxen_cancel_fw_work(struct netxen_adapter *adapter) | |
2538 | { | |
2539 | while (test_and_set_bit(__NX_RESETTING, &adapter->state)) | |
2540 | msleep(10); | |
2541 | ||
2542 | cancel_delayed_work_sync(&adapter->fw_work); | |
2543 | } | |
2544 | ||
2545 | static void | |
2546 | netxen_attach_work(struct work_struct *work) | |
2547 | { | |
2548 | struct netxen_adapter *adapter = container_of(work, | |
2549 | struct netxen_adapter, fw_work.work); | |
2550 | struct net_device *netdev = adapter->netdev; | |
2551 | int err = 0; | |
2552 | ||
2553 | if (netif_running(netdev)) { | |
2554 | err = netxen_nic_attach(adapter); | |
2555 | if (err) | |
2556 | goto done; | |
2557 | ||
2558 | err = netxen_nic_up(adapter, netdev); | |
2559 | if (err) { | |
2560 | netxen_nic_detach(adapter); | |
2561 | goto done; | |
2562 | } | |
2563 | ||
57569d0e | 2564 | netxen_restore_indev_addr(netdev, NETDEV_UP); |
6a581e93 DP |
2565 | } |
2566 | ||
2567 | netif_device_attach(netdev); | |
2568 | ||
2569 | done: | |
2570 | adapter->fw_fail_cnt = 0; | |
2571 | clear_bit(__NX_RESETTING, &adapter->state); | |
2572 | netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY); | |
2573 | } | |
2574 | ||
2575 | static void | |
2576 | netxen_fwinit_work(struct work_struct *work) | |
2577 | { | |
2578 | struct netxen_adapter *adapter = container_of(work, | |
2579 | struct netxen_adapter, fw_work.work); | |
2580 | int dev_state; | |
83f18a55 | 2581 | int count; |
6a581e93 | 2582 | dev_state = NXRD32(adapter, NX_CRB_DEV_STATE); |
83f18a55 M |
2583 | if (adapter->flags & NETXEN_FW_RESET_OWNER) { |
2584 | count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT); | |
2585 | WARN_ON(count == 0); | |
2586 | if (count == 1) { | |
2587 | if (adapter->mdump.md_enabled) { | |
2588 | rtnl_lock(); | |
2589 | netxen_dump_fw(adapter); | |
2590 | rtnl_unlock(); | |
2591 | } | |
2592 | adapter->flags &= ~NETXEN_FW_RESET_OWNER; | |
2593 | if (netxen_api_lock(adapter)) { | |
2594 | clear_bit(__NX_RESETTING, &adapter->state); | |
2595 | NXWR32(adapter, NX_CRB_DEV_STATE, | |
2596 | NX_DEV_FAILED); | |
2597 | return; | |
2598 | } | |
2599 | count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT); | |
2600 | NXWR32(adapter, NX_CRB_DEV_REF_COUNT, --count); | |
2601 | NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_COLD); | |
2602 | dev_state = NX_DEV_COLD; | |
2603 | netxen_api_unlock(adapter); | |
2604 | } | |
2605 | } | |
6a581e93 DP |
2606 | |
2607 | switch (dev_state) { | |
2608 | case NX_DEV_COLD: | |
2609 | case NX_DEV_READY: | |
74c520da AKS |
2610 | if (!netxen_start_firmware(adapter)) { |
2611 | netxen_schedule_work(adapter, netxen_attach_work, 0); | |
2612 | return; | |
2613 | } | |
2614 | break; | |
6a581e93 | 2615 | |
6b50ea15 | 2616 | case NX_DEV_NEED_RESET: |
6a581e93 | 2617 | case NX_DEV_INITALIZING: |
6a581e93 DP |
2618 | netxen_schedule_work(adapter, |
2619 | netxen_fwinit_work, 2 * FW_POLL_DELAY); | |
2620 | return; | |
6a581e93 DP |
2621 | |
2622 | case NX_DEV_FAILED: | |
2623 | default: | |
8f9b3f69 | 2624 | nx_incr_dev_ref_cnt(adapter); |
6a581e93 DP |
2625 | break; |
2626 | } | |
2627 | ||
83f18a55 M |
2628 | if (netxen_api_lock(adapter)) { |
2629 | clear_bit(__NX_RESETTING, &adapter->state); | |
2630 | return; | |
2631 | } | |
2632 | NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_FAILED); | |
2633 | netxen_api_unlock(adapter); | |
2634 | dev_err(&adapter->pdev->dev, "%s: Device initialization Failed\n", | |
2635 | adapter->netdev->name); | |
2636 | ||
6a581e93 DP |
2637 | clear_bit(__NX_RESETTING, &adapter->state); |
2638 | } | |
2639 | ||
2640 | static void | |
2641 | netxen_detach_work(struct work_struct *work) | |
2642 | { | |
2643 | struct netxen_adapter *adapter = container_of(work, | |
2644 | struct netxen_adapter, fw_work.work); | |
2645 | struct net_device *netdev = adapter->netdev; | |
83f18a55 | 2646 | int ref_cnt = 0, delay; |
6a581e93 DP |
2647 | u32 status; |
2648 | ||
2649 | netif_device_detach(netdev); | |
2650 | ||
6f771419 | 2651 | netxen_nic_down(adapter, netdev); |
6a581e93 | 2652 | |
e15eec28 | 2653 | rtnl_lock(); |
6a581e93 | 2654 | netxen_nic_detach(adapter); |
e15eec28 | 2655 | rtnl_unlock(); |
6a581e93 DP |
2656 | |
2657 | status = NXRD32(adapter, NETXEN_PEG_HALT_STATUS1); | |
2658 | ||
6a581e93 | 2659 | if (status & NX_RCODE_FATAL_ERROR) |
8f9b3f69 | 2660 | goto err_ret; |
6a581e93 DP |
2661 | |
2662 | if (adapter->temp == NX_TEMP_PANIC) | |
8f9b3f69 AKS |
2663 | goto err_ret; |
2664 | ||
83f18a55 M |
2665 | if (!(adapter->flags & NETXEN_FW_RESET_OWNER)) |
2666 | ref_cnt = nx_decr_dev_ref_cnt(adapter); | |
6a581e93 | 2667 | |
6b50ea15 AKS |
2668 | if (ref_cnt == -EIO) |
2669 | goto err_ret; | |
2670 | ||
6a581e93 DP |
2671 | delay = (ref_cnt == 0) ? 0 : (2 * FW_POLL_DELAY); |
2672 | ||
2673 | adapter->fw_wait_cnt = 0; | |
2674 | netxen_schedule_work(adapter, netxen_fwinit_work, delay); | |
8f9b3f69 AKS |
2675 | |
2676 | return; | |
2677 | ||
2678 | err_ret: | |
2679 | clear_bit(__NX_RESETTING, &adapter->state); | |
6a581e93 DP |
2680 | } |
2681 | ||
2682 | static int | |
2683 | netxen_check_health(struct netxen_adapter *adapter) | |
2684 | { | |
2685 | u32 state, heartbit; | |
5471aed0 | 2686 | u32 peg_status; |
6a581e93 DP |
2687 | struct net_device *netdev = adapter->netdev; |
2688 | ||
e87ad553 AKS |
2689 | state = NXRD32(adapter, NX_CRB_DEV_STATE); |
2690 | if (state == NX_DEV_NEED_AER) | |
2691 | return 0; | |
2692 | ||
6a581e93 DP |
2693 | if (netxen_nic_check_temp(adapter)) |
2694 | goto detach; | |
2695 | ||
74c520da | 2696 | if (adapter->need_fw_reset) { |
e87ad553 AKS |
2697 | if (nx_dev_request_reset(adapter)) |
2698 | return 0; | |
74c520da AKS |
2699 | goto detach; |
2700 | } | |
2701 | ||
e87ad553 AKS |
2702 | /* NX_DEV_NEED_RESET, this state can be marked in two cases |
2703 | * 1. Tx timeout 2. Fw hang | |
2704 | * Send request to destroy context in case of tx timeout only | |
2705 | * and doesn't required in case of Fw hang | |
2706 | */ | |
83f18a55 | 2707 | if (state == NX_DEV_NEED_RESET || state == NX_DEV_FAILED) { |
6a808c6c | 2708 | adapter->need_fw_reset = 1; |
e87ad553 AKS |
2709 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) |
2710 | goto detach; | |
6a808c6c | 2711 | } |
6a581e93 DP |
2712 | |
2713 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) | |
2714 | return 0; | |
2715 | ||
2716 | heartbit = NXRD32(adapter, NETXEN_PEG_ALIVE_COUNTER); | |
2717 | if (heartbit != adapter->heartbit) { | |
2718 | adapter->heartbit = heartbit; | |
2719 | adapter->fw_fail_cnt = 0; | |
e87ad553 AKS |
2720 | if (adapter->need_fw_reset) |
2721 | goto detach; | |
6a581e93 DP |
2722 | return 0; |
2723 | } | |
2724 | ||
2725 | if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) | |
2726 | return 0; | |
2727 | ||
e87ad553 AKS |
2728 | if (nx_dev_request_reset(adapter)) |
2729 | return 0; | |
2730 | ||
6a581e93 DP |
2731 | clear_bit(__NX_FW_ATTACHED, &adapter->state); |
2732 | ||
5471aed0 SV |
2733 | dev_err(&netdev->dev, "firmware hang detected\n"); |
2734 | peg_status = NXRD32(adapter, NETXEN_PEG_HALT_STATUS1); | |
2735 | dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n" | |
2736 | "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n" | |
2737 | "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n" | |
2738 | "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n" | |
2739 | "PEG_NET_4_PC: 0x%x\n", | |
2740 | peg_status, | |
2741 | NXRD32(adapter, NETXEN_PEG_HALT_STATUS2), | |
2742 | NXRD32(adapter, NETXEN_CRB_PEG_NET_0 + 0x3c), | |
2743 | NXRD32(adapter, NETXEN_CRB_PEG_NET_1 + 0x3c), | |
2744 | NXRD32(adapter, NETXEN_CRB_PEG_NET_2 + 0x3c), | |
2745 | NXRD32(adapter, NETXEN_CRB_PEG_NET_3 + 0x3c), | |
2746 | NXRD32(adapter, NETXEN_CRB_PEG_NET_4 + 0x3c)); | |
2747 | if (NX_FWERROR_PEGSTAT1(peg_status) == 0x67) | |
2748 | dev_err(&adapter->pdev->dev, | |
2749 | "Firmware aborted with error code 0x00006700. " | |
2750 | "Device is being reset.\n"); | |
6a581e93 | 2751 | detach: |
caa2dd53 NK |
2752 | if ((auto_fw_reset == AUTO_FW_RESET_ENABLED) && |
2753 | !test_and_set_bit(__NX_RESETTING, &adapter->state)) | |
6a581e93 DP |
2754 | netxen_schedule_work(adapter, netxen_detach_work, 0); |
2755 | return 1; | |
2756 | } | |
2757 | ||
2758 | static void | |
2759 | netxen_fw_poll_work(struct work_struct *work) | |
2760 | { | |
2761 | struct netxen_adapter *adapter = container_of(work, | |
2762 | struct netxen_adapter, fw_work.work); | |
2763 | ||
2764 | if (test_bit(__NX_RESETTING, &adapter->state)) | |
2765 | goto reschedule; | |
2766 | ||
9d01412a MC |
2767 | if (test_bit(__NX_DEV_UP, &adapter->state) && |
2768 | !(adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION)) { | |
6a581e93 DP |
2769 | if (!adapter->has_link_events) { |
2770 | ||
2771 | netxen_nic_handle_phy_intr(adapter); | |
2772 | ||
2773 | if (adapter->link_changed) | |
2774 | netxen_nic_set_link_parameters(adapter); | |
2775 | } | |
2776 | } | |
2777 | ||
2778 | if (netxen_check_health(adapter)) | |
2779 | return; | |
2780 | ||
2781 | reschedule: | |
2782 | netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY); | |
2783 | } | |
2784 | ||
fa3ce355 NK |
2785 | static ssize_t |
2786 | netxen_store_bridged_mode(struct device *dev, | |
2787 | struct device_attribute *attr, const char *buf, size_t len) | |
2788 | { | |
2789 | struct net_device *net = to_net_dev(dev); | |
2790 | struct netxen_adapter *adapter = netdev_priv(net); | |
2791 | unsigned long new; | |
2792 | int ret = -EINVAL; | |
2793 | ||
2794 | if (!(adapter->capabilities & NX_FW_CAPABILITY_BDG)) | |
2795 | goto err_out; | |
2796 | ||
2797 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) | |
2798 | goto err_out; | |
2799 | ||
67d6bfa6 | 2800 | if (kstrtoul(buf, 2, &new)) |
fa3ce355 NK |
2801 | goto err_out; |
2802 | ||
2803 | if (!netxen_config_bridged_mode(adapter, !!new)) | |
2804 | ret = len; | |
2805 | ||
2806 | err_out: | |
2807 | return ret; | |
2808 | } | |
2809 | ||
2810 | static ssize_t | |
2811 | netxen_show_bridged_mode(struct device *dev, | |
2812 | struct device_attribute *attr, char *buf) | |
2813 | { | |
2814 | struct net_device *net = to_net_dev(dev); | |
2815 | struct netxen_adapter *adapter; | |
2816 | int bridged_mode = 0; | |
2817 | ||
2818 | adapter = netdev_priv(net); | |
2819 | ||
2820 | if (adapter->capabilities & NX_FW_CAPABILITY_BDG) | |
2821 | bridged_mode = !!(adapter->flags & NETXEN_NIC_BRIDGE_ENABLED); | |
2822 | ||
2823 | return sprintf(buf, "%d\n", bridged_mode); | |
2824 | } | |
2825 | ||
2826 | static struct device_attribute dev_attr_bridged_mode = { | |
2827 | .attr = {.name = "bridged_mode", .mode = (S_IRUGO | S_IWUSR)}, | |
2828 | .show = netxen_show_bridged_mode, | |
2829 | .store = netxen_store_bridged_mode, | |
2830 | }; | |
2831 | ||
70f9cf89 DP |
2832 | static ssize_t |
2833 | netxen_store_diag_mode(struct device *dev, | |
2834 | struct device_attribute *attr, const char *buf, size_t len) | |
2835 | { | |
2836 | struct netxen_adapter *adapter = dev_get_drvdata(dev); | |
2837 | unsigned long new; | |
2838 | ||
67d6bfa6 | 2839 | if (kstrtoul(buf, 2, &new)) |
70f9cf89 DP |
2840 | return -EINVAL; |
2841 | ||
2842 | if (!!new != !!(adapter->flags & NETXEN_NIC_DIAG_ENABLED)) | |
2843 | adapter->flags ^= NETXEN_NIC_DIAG_ENABLED; | |
2844 | ||
2845 | return len; | |
2846 | } | |
2847 | ||
2848 | static ssize_t | |
2849 | netxen_show_diag_mode(struct device *dev, | |
2850 | struct device_attribute *attr, char *buf) | |
2851 | { | |
2852 | struct netxen_adapter *adapter = dev_get_drvdata(dev); | |
2853 | ||
2854 | return sprintf(buf, "%d\n", | |
2855 | !!(adapter->flags & NETXEN_NIC_DIAG_ENABLED)); | |
2856 | } | |
2857 | ||
2858 | static struct device_attribute dev_attr_diag_mode = { | |
2859 | .attr = {.name = "diag_mode", .mode = (S_IRUGO | S_IWUSR)}, | |
2860 | .show = netxen_show_diag_mode, | |
2861 | .store = netxen_store_diag_mode, | |
2862 | }; | |
2863 | ||
2864 | static int | |
2865 | netxen_sysfs_validate_crb(struct netxen_adapter *adapter, | |
2866 | loff_t offset, size_t size) | |
2867 | { | |
0b9715e6 AKS |
2868 | size_t crb_size = 4; |
2869 | ||
70f9cf89 DP |
2870 | if (!(adapter->flags & NETXEN_NIC_DIAG_ENABLED)) |
2871 | return -EIO; | |
2872 | ||
0b9715e6 AKS |
2873 | if (offset < NETXEN_PCI_CRBSPACE) { |
2874 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) | |
2875 | return -EINVAL; | |
70f9cf89 | 2876 | |
0b9715e6 AKS |
2877 | if (ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM, |
2878 | NETXEN_PCI_CAMQM_2M_END)) | |
2879 | crb_size = 8; | |
2880 | else | |
2881 | return -EINVAL; | |
2882 | } | |
2883 | ||
2884 | if ((size != crb_size) || (offset & (crb_size-1))) | |
2885 | return -EINVAL; | |
70f9cf89 DP |
2886 | |
2887 | return 0; | |
2888 | } | |
2889 | ||
2890 | static ssize_t | |
2c3c8bea CW |
2891 | netxen_sysfs_read_crb(struct file *filp, struct kobject *kobj, |
2892 | struct bin_attribute *attr, | |
70f9cf89 DP |
2893 | char *buf, loff_t offset, size_t size) |
2894 | { | |
016c0bba | 2895 | struct device *dev = kobj_to_dev(kobj); |
70f9cf89 DP |
2896 | struct netxen_adapter *adapter = dev_get_drvdata(dev); |
2897 | u32 data; | |
0b9715e6 | 2898 | u64 qmdata; |
70f9cf89 DP |
2899 | int ret; |
2900 | ||
2901 | ret = netxen_sysfs_validate_crb(adapter, offset, size); | |
2902 | if (ret != 0) | |
2903 | return ret; | |
2904 | ||
0b9715e6 AKS |
2905 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id) && |
2906 | ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM, | |
2907 | NETXEN_PCI_CAMQM_2M_END)) { | |
2908 | netxen_pci_camqm_read_2M(adapter, offset, &qmdata); | |
2909 | memcpy(buf, &qmdata, size); | |
2910 | } else { | |
2911 | data = NXRD32(adapter, offset); | |
2912 | memcpy(buf, &data, size); | |
2913 | } | |
2914 | ||
70f9cf89 DP |
2915 | return size; |
2916 | } | |
2917 | ||
2918 | static ssize_t | |
2c3c8bea CW |
2919 | netxen_sysfs_write_crb(struct file *filp, struct kobject *kobj, |
2920 | struct bin_attribute *attr, | |
70f9cf89 DP |
2921 | char *buf, loff_t offset, size_t size) |
2922 | { | |
016c0bba | 2923 | struct device *dev = kobj_to_dev(kobj); |
70f9cf89 DP |
2924 | struct netxen_adapter *adapter = dev_get_drvdata(dev); |
2925 | u32 data; | |
0b9715e6 | 2926 | u64 qmdata; |
70f9cf89 DP |
2927 | int ret; |
2928 | ||
2929 | ret = netxen_sysfs_validate_crb(adapter, offset, size); | |
2930 | if (ret != 0) | |
2931 | return ret; | |
2932 | ||
0b9715e6 AKS |
2933 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id) && |
2934 | ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM, | |
2935 | NETXEN_PCI_CAMQM_2M_END)) { | |
2936 | memcpy(&qmdata, buf, size); | |
2937 | netxen_pci_camqm_write_2M(adapter, offset, qmdata); | |
2938 | } else { | |
2939 | memcpy(&data, buf, size); | |
2940 | NXWR32(adapter, offset, data); | |
2941 | } | |
2942 | ||
70f9cf89 DP |
2943 | return size; |
2944 | } | |
2945 | ||
2946 | static int | |
2947 | netxen_sysfs_validate_mem(struct netxen_adapter *adapter, | |
2948 | loff_t offset, size_t size) | |
2949 | { | |
2950 | if (!(adapter->flags & NETXEN_NIC_DIAG_ENABLED)) | |
2951 | return -EIO; | |
2952 | ||
2953 | if ((size != 8) || (offset & 0x7)) | |
2954 | return -EIO; | |
2955 | ||
2956 | return 0; | |
2957 | } | |
2958 | ||
2959 | static ssize_t | |
2c3c8bea CW |
2960 | netxen_sysfs_read_mem(struct file *filp, struct kobject *kobj, |
2961 | struct bin_attribute *attr, | |
70f9cf89 DP |
2962 | char *buf, loff_t offset, size_t size) |
2963 | { | |
016c0bba | 2964 | struct device *dev = kobj_to_dev(kobj); |
70f9cf89 DP |
2965 | struct netxen_adapter *adapter = dev_get_drvdata(dev); |
2966 | u64 data; | |
2967 | int ret; | |
2968 | ||
2969 | ret = netxen_sysfs_validate_mem(adapter, offset, size); | |
2970 | if (ret != 0) | |
2971 | return ret; | |
2972 | ||
2973 | if (adapter->pci_mem_read(adapter, offset, &data)) | |
2974 | return -EIO; | |
2975 | ||
2976 | memcpy(buf, &data, size); | |
2977 | ||
2978 | return size; | |
2979 | } | |
2980 | ||
2c3c8bea | 2981 | static ssize_t netxen_sysfs_write_mem(struct file *filp, struct kobject *kobj, |
70f9cf89 DP |
2982 | struct bin_attribute *attr, char *buf, |
2983 | loff_t offset, size_t size) | |
2984 | { | |
016c0bba | 2985 | struct device *dev = kobj_to_dev(kobj); |
70f9cf89 DP |
2986 | struct netxen_adapter *adapter = dev_get_drvdata(dev); |
2987 | u64 data; | |
2988 | int ret; | |
2989 | ||
2990 | ret = netxen_sysfs_validate_mem(adapter, offset, size); | |
2991 | if (ret != 0) | |
2992 | return ret; | |
2993 | ||
2994 | memcpy(&data, buf, size); | |
2995 | ||
2996 | if (adapter->pci_mem_write(adapter, offset, data)) | |
2997 | return -EIO; | |
2998 | ||
2999 | return size; | |
3000 | } | |
3001 | ||
3002 | ||
3003 | static struct bin_attribute bin_attr_crb = { | |
3004 | .attr = {.name = "crb", .mode = (S_IRUGO | S_IWUSR)}, | |
3005 | .size = 0, | |
3006 | .read = netxen_sysfs_read_crb, | |
3007 | .write = netxen_sysfs_write_crb, | |
3008 | }; | |
3009 | ||
3010 | static struct bin_attribute bin_attr_mem = { | |
3011 | .attr = {.name = "mem", .mode = (S_IRUGO | S_IWUSR)}, | |
3012 | .size = 0, | |
3013 | .read = netxen_sysfs_read_mem, | |
3014 | .write = netxen_sysfs_write_mem, | |
3015 | }; | |
3016 | ||
d612698b SC |
3017 | static ssize_t |
3018 | netxen_sysfs_read_dimm(struct file *filp, struct kobject *kobj, | |
3019 | struct bin_attribute *attr, | |
3020 | char *buf, loff_t offset, size_t size) | |
3021 | { | |
016c0bba | 3022 | struct device *dev = kobj_to_dev(kobj); |
d612698b SC |
3023 | struct netxen_adapter *adapter = dev_get_drvdata(dev); |
3024 | struct net_device *netdev = adapter->netdev; | |
3025 | struct netxen_dimm_cfg dimm; | |
3026 | u8 dw, rows, cols, banks, ranks; | |
3027 | u32 val; | |
3028 | ||
748a7295 | 3029 | if (size < attr->size) { |
d612698b | 3030 | netdev_err(netdev, "Invalid size\n"); |
748a7295 | 3031 | return -EINVAL; |
d612698b SC |
3032 | } |
3033 | ||
3034 | memset(&dimm, 0, sizeof(struct netxen_dimm_cfg)); | |
3035 | val = NXRD32(adapter, NETXEN_DIMM_CAPABILITY); | |
3036 | ||
3037 | /* Checks if DIMM info is valid. */ | |
3038 | if (val & NETXEN_DIMM_VALID_FLAG) { | |
3039 | netdev_err(netdev, "Invalid DIMM flag\n"); | |
3040 | dimm.presence = 0xff; | |
3041 | goto out; | |
3042 | } | |
3043 | ||
3044 | rows = NETXEN_DIMM_NUMROWS(val); | |
3045 | cols = NETXEN_DIMM_NUMCOLS(val); | |
3046 | ranks = NETXEN_DIMM_NUMRANKS(val); | |
3047 | banks = NETXEN_DIMM_NUMBANKS(val); | |
3048 | dw = NETXEN_DIMM_DATAWIDTH(val); | |
3049 | ||
3050 | dimm.presence = (val & NETXEN_DIMM_PRESENT); | |
3051 | ||
3052 | /* Checks if DIMM info is present. */ | |
3053 | if (!dimm.presence) { | |
3054 | netdev_err(netdev, "DIMM not present\n"); | |
3055 | goto out; | |
3056 | } | |
3057 | ||
3058 | dimm.dimm_type = NETXEN_DIMM_TYPE(val); | |
3059 | ||
3060 | switch (dimm.dimm_type) { | |
3061 | case NETXEN_DIMM_TYPE_RDIMM: | |
3062 | case NETXEN_DIMM_TYPE_UDIMM: | |
3063 | case NETXEN_DIMM_TYPE_SO_DIMM: | |
3064 | case NETXEN_DIMM_TYPE_Micro_DIMM: | |
3065 | case NETXEN_DIMM_TYPE_Mini_RDIMM: | |
3066 | case NETXEN_DIMM_TYPE_Mini_UDIMM: | |
3067 | break; | |
3068 | default: | |
3069 | netdev_err(netdev, "Invalid DIMM type %x\n", dimm.dimm_type); | |
3070 | goto out; | |
3071 | } | |
3072 | ||
3073 | if (val & NETXEN_DIMM_MEMTYPE_DDR2_SDRAM) | |
3074 | dimm.mem_type = NETXEN_DIMM_MEM_DDR2_SDRAM; | |
3075 | else | |
3076 | dimm.mem_type = NETXEN_DIMM_MEMTYPE(val); | |
3077 | ||
3078 | if (val & NETXEN_DIMM_SIZE) { | |
3079 | dimm.size = NETXEN_DIMM_STD_MEM_SIZE; | |
3080 | goto out; | |
3081 | } | |
3082 | ||
3083 | if (!rows) { | |
3084 | netdev_err(netdev, "Invalid no of rows %x\n", rows); | |
3085 | goto out; | |
3086 | } | |
3087 | ||
3088 | if (!cols) { | |
3089 | netdev_err(netdev, "Invalid no of columns %x\n", cols); | |
3090 | goto out; | |
3091 | } | |
3092 | ||
3093 | if (!banks) { | |
3094 | netdev_err(netdev, "Invalid no of banks %x\n", banks); | |
3095 | goto out; | |
3096 | } | |
3097 | ||
3098 | ranks += 1; | |
3099 | ||
3100 | switch (dw) { | |
3101 | case 0x0: | |
3102 | dw = 32; | |
3103 | break; | |
3104 | case 0x1: | |
3105 | dw = 33; | |
3106 | break; | |
3107 | case 0x2: | |
3108 | dw = 36; | |
3109 | break; | |
3110 | case 0x3: | |
3111 | dw = 64; | |
3112 | break; | |
3113 | case 0x4: | |
3114 | dw = 72; | |
3115 | break; | |
3116 | case 0x5: | |
3117 | dw = 80; | |
3118 | break; | |
3119 | case 0x6: | |
3120 | dw = 128; | |
3121 | break; | |
3122 | case 0x7: | |
3123 | dw = 144; | |
3124 | break; | |
3125 | default: | |
3126 | netdev_err(netdev, "Invalid data-width %x\n", dw); | |
3127 | goto out; | |
3128 | } | |
3129 | ||
3130 | dimm.size = ((1 << rows) * (1 << cols) * dw * banks * ranks) / 8; | |
3131 | /* Size returned in MB. */ | |
3132 | dimm.size = (dimm.size) / 0x100000; | |
3133 | out: | |
3134 | memcpy(buf, &dimm, sizeof(struct netxen_dimm_cfg)); | |
3135 | return sizeof(struct netxen_dimm_cfg); | |
3136 | ||
3137 | } | |
3138 | ||
3139 | static struct bin_attribute bin_attr_dimm = { | |
3140 | .attr = { .name = "dimm", .mode = (S_IRUGO | S_IWUSR) }, | |
748a7295 | 3141 | .size = sizeof(struct netxen_dimm_cfg), |
d612698b SC |
3142 | .read = netxen_sysfs_read_dimm, |
3143 | }; | |
3144 | ||
caa2dd53 | 3145 | |
fa3ce355 NK |
3146 | static void |
3147 | netxen_create_sysfs_entries(struct netxen_adapter *adapter) | |
3148 | { | |
b8c30812 | 3149 | struct device *dev = &adapter->pdev->dev; |
fa3ce355 NK |
3150 | |
3151 | if (adapter->capabilities & NX_FW_CAPABILITY_BDG) { | |
3152 | /* bridged_mode control */ | |
3153 | if (device_create_file(dev, &dev_attr_bridged_mode)) { | |
b8c30812 | 3154 | dev_warn(dev, |
fa3ce355 NK |
3155 | "failed to create bridged_mode sysfs entry\n"); |
3156 | } | |
3157 | } | |
3158 | } | |
3159 | ||
3160 | static void | |
3161 | netxen_remove_sysfs_entries(struct netxen_adapter *adapter) | |
3162 | { | |
b8c30812 | 3163 | struct device *dev = &adapter->pdev->dev; |
fa3ce355 NK |
3164 | |
3165 | if (adapter->capabilities & NX_FW_CAPABILITY_BDG) | |
3166 | device_remove_file(dev, &dev_attr_bridged_mode); | |
3167 | } | |
3168 | ||
70f9cf89 DP |
3169 | static void |
3170 | netxen_create_diag_entries(struct netxen_adapter *adapter) | |
3171 | { | |
3172 | struct pci_dev *pdev = adapter->pdev; | |
3173 | struct device *dev; | |
3174 | ||
3175 | dev = &pdev->dev; | |
3176 | if (device_create_file(dev, &dev_attr_diag_mode)) | |
3177 | dev_info(dev, "failed to create diag_mode sysfs entry\n"); | |
3178 | if (device_create_bin_file(dev, &bin_attr_crb)) | |
3179 | dev_info(dev, "failed to create crb sysfs entry\n"); | |
3180 | if (device_create_bin_file(dev, &bin_attr_mem)) | |
3181 | dev_info(dev, "failed to create mem sysfs entry\n"); | |
d612698b SC |
3182 | if (device_create_bin_file(dev, &bin_attr_dimm)) |
3183 | dev_info(dev, "failed to create dimm sysfs entry\n"); | |
70f9cf89 DP |
3184 | } |
3185 | ||
3186 | ||
3187 | static void | |
3188 | netxen_remove_diag_entries(struct netxen_adapter *adapter) | |
3189 | { | |
3190 | struct pci_dev *pdev = adapter->pdev; | |
3191 | struct device *dev = &pdev->dev; | |
3192 | ||
3193 | device_remove_file(dev, &dev_attr_diag_mode); | |
3194 | device_remove_bin_file(dev, &bin_attr_crb); | |
3195 | device_remove_bin_file(dev, &bin_attr_mem); | |
d612698b | 3196 | device_remove_bin_file(dev, &bin_attr_dimm); |
70f9cf89 DP |
3197 | } |
3198 | ||
044824d9 DP |
3199 | #ifdef CONFIG_INET |
3200 | ||
6598b169 DP |
3201 | #define is_netxen_netdev(dev) (dev->netdev_ops == &netxen_netdev_ops) |
3202 | ||
3203 | static int | |
3204 | netxen_destip_supported(struct netxen_adapter *adapter) | |
3205 | { | |
3206 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) | |
3207 | return 0; | |
3208 | ||
3209 | if (adapter->ahw.cut_through) | |
3210 | return 0; | |
3211 | ||
3212 | return 1; | |
3213 | } | |
3214 | ||
d0725e4d | 3215 | static void |
8a7fbfab | 3216 | netxen_free_ip_list(struct netxen_adapter *adapter, bool master) |
57569d0e | 3217 | { |
8a7fbfab | 3218 | struct nx_ip_list *cur, *tmp_cur; |
57569d0e | 3219 | |
8a7fbfab | 3220 | list_for_each_entry_safe(cur, tmp_cur, &adapter->ip_list, list) { |
3221 | if (master) { | |
3222 | if (cur->master) { | |
3223 | netxen_config_ipaddr(adapter, cur->ip_addr, | |
3224 | NX_IP_DOWN); | |
3225 | list_del(&cur->list); | |
3226 | kfree(cur); | |
3227 | } | |
3228 | } else { | |
3229 | netxen_config_ipaddr(adapter, cur->ip_addr, NX_IP_DOWN); | |
3230 | list_del(&cur->list); | |
3231 | kfree(cur); | |
3232 | } | |
57569d0e | 3233 | } |
57569d0e | 3234 | } |
8a7fbfab | 3235 | |
3236 | static bool | |
3237 | netxen_list_config_ip(struct netxen_adapter *adapter, | |
57569d0e RB |
3238 | struct in_ifaddr *ifa, unsigned long event) |
3239 | { | |
3240 | struct net_device *dev; | |
8a7fbfab | 3241 | struct nx_ip_list *cur, *tmp_cur; |
57569d0e | 3242 | struct list_head *head; |
8a7fbfab | 3243 | bool ret = false; |
57569d0e RB |
3244 | |
3245 | dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; | |
3246 | ||
3247 | if (dev == NULL) | |
8a7fbfab | 3248 | goto out; |
57569d0e RB |
3249 | |
3250 | switch (event) { | |
3251 | case NX_IP_UP: | |
8a7fbfab | 3252 | list_for_each(head, &adapter->ip_list) { |
3253 | cur = list_entry(head, struct nx_ip_list, list); | |
57569d0e RB |
3254 | |
3255 | if (cur->ip_addr == ifa->ifa_address) | |
8a7fbfab | 3256 | goto out; |
57569d0e RB |
3257 | } |
3258 | ||
8a7fbfab | 3259 | cur = kzalloc(sizeof(struct nx_ip_list), GFP_ATOMIC); |
b2adaca9 | 3260 | if (cur == NULL) |
8a7fbfab | 3261 | goto out; |
3262 | if (dev->priv_flags & IFF_802_1Q_VLAN) | |
3263 | dev = vlan_dev_real_dev(dev); | |
3264 | cur->master = !!netif_is_bond_master(dev); | |
57569d0e | 3265 | cur->ip_addr = ifa->ifa_address; |
8a7fbfab | 3266 | list_add_tail(&cur->list, &adapter->ip_list); |
3267 | netxen_config_ipaddr(adapter, ifa->ifa_address, NX_IP_UP); | |
3268 | ret = true; | |
57569d0e RB |
3269 | break; |
3270 | case NX_IP_DOWN: | |
3271 | list_for_each_entry_safe(cur, tmp_cur, | |
8a7fbfab | 3272 | &adapter->ip_list, list) { |
57569d0e RB |
3273 | if (cur->ip_addr == ifa->ifa_address) { |
3274 | list_del(&cur->list); | |
3275 | kfree(cur); | |
8a7fbfab | 3276 | netxen_config_ipaddr(adapter, ifa->ifa_address, |
3277 | NX_IP_DOWN); | |
3278 | ret = true; | |
57569d0e RB |
3279 | break; |
3280 | } | |
3281 | } | |
3282 | } | |
8a7fbfab | 3283 | out: |
3284 | return ret; | |
57569d0e | 3285 | } |
8a7fbfab | 3286 | |
57569d0e RB |
3287 | static void |
3288 | netxen_config_indev_addr(struct netxen_adapter *adapter, | |
3289 | struct net_device *dev, unsigned long event) | |
d0725e4d AKS |
3290 | { |
3291 | struct in_device *indev; | |
d0725e4d | 3292 | |
3db76755 | 3293 | if (!netxen_destip_supported(adapter)) |
d0725e4d AKS |
3294 | return; |
3295 | ||
3296 | indev = in_dev_get(dev); | |
3297 | if (!indev) | |
3298 | return; | |
3299 | ||
3300 | for_ifa(indev) { | |
3301 | switch (event) { | |
3302 | case NETDEV_UP: | |
8a7fbfab | 3303 | netxen_list_config_ip(adapter, ifa, NX_IP_UP); |
d0725e4d AKS |
3304 | break; |
3305 | case NETDEV_DOWN: | |
8a7fbfab | 3306 | netxen_list_config_ip(adapter, ifa, NX_IP_DOWN); |
d0725e4d AKS |
3307 | break; |
3308 | default: | |
3309 | break; | |
3310 | } | |
3311 | } endfor_ifa(indev); | |
3312 | ||
3313 | in_dev_put(indev); | |
d0725e4d AKS |
3314 | } |
3315 | ||
57569d0e RB |
3316 | static void |
3317 | netxen_restore_indev_addr(struct net_device *netdev, unsigned long event) | |
3318 | ||
3319 | { | |
3320 | struct netxen_adapter *adapter = netdev_priv(netdev); | |
8a7fbfab | 3321 | struct nx_ip_list *pos, *tmp_pos; |
57569d0e RB |
3322 | unsigned long ip_event; |
3323 | ||
3324 | ip_event = (event == NETDEV_UP) ? NX_IP_UP : NX_IP_DOWN; | |
3325 | netxen_config_indev_addr(adapter, netdev, event); | |
3326 | ||
8a7fbfab | 3327 | list_for_each_entry_safe(pos, tmp_pos, &adapter->ip_list, list) { |
57569d0e RB |
3328 | netxen_config_ipaddr(adapter, pos->ip_addr, ip_event); |
3329 | } | |
3330 | } | |
3331 | ||
8a7fbfab | 3332 | static inline bool |
3333 | netxen_config_checkdev(struct net_device *dev) | |
3334 | { | |
3335 | struct netxen_adapter *adapter; | |
3336 | ||
3337 | if (!is_netxen_netdev(dev)) | |
3338 | return false; | |
3339 | adapter = netdev_priv(dev); | |
3340 | if (!adapter) | |
3341 | return false; | |
3342 | if (!netxen_destip_supported(adapter)) | |
3343 | return false; | |
3344 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) | |
3345 | return false; | |
3346 | ||
3347 | return true; | |
3348 | } | |
3349 | ||
3350 | /** | |
3351 | * netxen_config_master - configure addresses based on master | |
3352 | * @dev: netxen device | |
3353 | * @event: netdev event | |
3354 | */ | |
3355 | static void netxen_config_master(struct net_device *dev, unsigned long event) | |
3356 | { | |
3357 | struct net_device *master, *slave; | |
3358 | struct netxen_adapter *adapter = netdev_priv(dev); | |
3359 | ||
3360 | rcu_read_lock(); | |
3361 | master = netdev_master_upper_dev_get_rcu(dev); | |
3362 | /* | |
3363 | * This is the case where the netxen nic is being | |
3364 | * enslaved and is dev_open()ed in bond_enslave() | |
3365 | * Now we should program the bond's (and its vlans') | |
3366 | * addresses in the netxen NIC. | |
3367 | */ | |
3368 | if (master && netif_is_bond_master(master) && | |
3369 | !netif_is_bond_slave(dev)) { | |
3370 | netxen_config_indev_addr(adapter, master, event); | |
3371 | for_each_netdev_rcu(&init_net, slave) | |
3372 | if (slave->priv_flags & IFF_802_1Q_VLAN && | |
3373 | vlan_dev_real_dev(slave) == master) | |
3374 | netxen_config_indev_addr(adapter, slave, event); | |
3375 | } | |
3376 | rcu_read_unlock(); | |
3377 | /* | |
3378 | * This is the case where the netxen nic is being | |
3379 | * released and is dev_close()ed in bond_release() | |
3380 | * just before IFF_BONDING is stripped. | |
3381 | */ | |
3382 | if (!master && dev->priv_flags & IFF_BONDING) | |
3383 | netxen_free_ip_list(adapter, true); | |
3384 | } | |
3385 | ||
6598b169 DP |
3386 | static int netxen_netdev_event(struct notifier_block *this, |
3387 | unsigned long event, void *ptr) | |
3388 | { | |
3389 | struct netxen_adapter *adapter; | |
351638e7 | 3390 | struct net_device *dev = netdev_notifier_info_to_dev(ptr); |
57569d0e | 3391 | struct net_device *orig_dev = dev; |
8a7fbfab | 3392 | struct net_device *slave; |
6598b169 DP |
3393 | |
3394 | recheck: | |
3395 | if (dev == NULL) | |
3396 | goto done; | |
3397 | ||
3398 | if (dev->priv_flags & IFF_802_1Q_VLAN) { | |
3399 | dev = vlan_dev_real_dev(dev); | |
3400 | goto recheck; | |
3401 | } | |
8a7fbfab | 3402 | if (event == NETDEV_UP || event == NETDEV_DOWN) { |
3403 | /* If this is a bonding device, look for netxen-based slaves*/ | |
3404 | if (netif_is_bond_master(dev)) { | |
3405 | rcu_read_lock(); | |
3406 | for_each_netdev_in_bond_rcu(dev, slave) { | |
3407 | if (!netxen_config_checkdev(slave)) | |
3408 | continue; | |
3409 | adapter = netdev_priv(slave); | |
3410 | netxen_config_indev_addr(adapter, | |
3411 | orig_dev, event); | |
3412 | } | |
3413 | rcu_read_unlock(); | |
3414 | } else { | |
3415 | if (!netxen_config_checkdev(dev)) | |
3416 | goto done; | |
3417 | adapter = netdev_priv(dev); | |
3418 | /* Act only if the actual netxen is the target */ | |
3419 | if (orig_dev == dev) | |
3420 | netxen_config_master(dev, event); | |
3421 | netxen_config_indev_addr(adapter, orig_dev, event); | |
3422 | } | |
3423 | } | |
6598b169 DP |
3424 | done: |
3425 | return NOTIFY_DONE; | |
3426 | } | |
3427 | ||
3428 | static int | |
3429 | netxen_inetaddr_event(struct notifier_block *this, | |
3430 | unsigned long event, void *ptr) | |
3431 | { | |
3432 | struct netxen_adapter *adapter; | |
8a7fbfab | 3433 | struct net_device *dev, *slave; |
6598b169 | 3434 | struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; |
8a7fbfab | 3435 | unsigned long ip_event; |
6598b169 DP |
3436 | |
3437 | dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; | |
8a7fbfab | 3438 | ip_event = (event == NETDEV_UP) ? NX_IP_UP : NX_IP_DOWN; |
6598b169 | 3439 | recheck: |
57569d0e | 3440 | if (dev == NULL) |
6598b169 DP |
3441 | goto done; |
3442 | ||
3443 | if (dev->priv_flags & IFF_802_1Q_VLAN) { | |
3444 | dev = vlan_dev_real_dev(dev); | |
3445 | goto recheck; | |
3446 | } | |
8a7fbfab | 3447 | if (event == NETDEV_UP || event == NETDEV_DOWN) { |
3448 | /* If this is a bonding device, look for netxen-based slaves*/ | |
3449 | if (netif_is_bond_master(dev)) { | |
3450 | rcu_read_lock(); | |
3451 | for_each_netdev_in_bond_rcu(dev, slave) { | |
3452 | if (!netxen_config_checkdev(slave)) | |
3453 | continue; | |
3454 | adapter = netdev_priv(slave); | |
3455 | netxen_list_config_ip(adapter, ifa, ip_event); | |
3456 | } | |
3457 | rcu_read_unlock(); | |
3458 | } else { | |
3459 | if (!netxen_config_checkdev(dev)) | |
3460 | goto done; | |
3461 | adapter = netdev_priv(dev); | |
3462 | netxen_list_config_ip(adapter, ifa, ip_event); | |
3463 | } | |
6598b169 | 3464 | } |
6598b169 DP |
3465 | done: |
3466 | return NOTIFY_DONE; | |
3467 | } | |
3468 | ||
3469 | static struct notifier_block netxen_netdev_cb = { | |
3470 | .notifier_call = netxen_netdev_event, | |
3471 | }; | |
3472 | ||
3473 | static struct notifier_block netxen_inetaddr_cb = { | |
3474 | .notifier_call = netxen_inetaddr_event, | |
3475 | }; | |
9feae56c RD |
3476 | #else |
3477 | static void | |
57569d0e RB |
3478 | netxen_restore_indev_addr(struct net_device *dev, unsigned long event) |
3479 | { } | |
3480 | static void | |
8a7fbfab | 3481 | netxen_free_ip_list(struct netxen_adapter *adapter, bool master) |
9feae56c | 3482 | { } |
044824d9 | 3483 | #endif |
6598b169 | 3484 | |
3646f0e5 | 3485 | static const struct pci_error_handlers netxen_err_handler = { |
e87ad553 AKS |
3486 | .error_detected = netxen_io_error_detected, |
3487 | .slot_reset = netxen_io_slot_reset, | |
3488 | .resume = netxen_io_resume, | |
3489 | }; | |
3490 | ||
3d396eb1 AK |
3491 | static struct pci_driver netxen_driver = { |
3492 | .name = netxen_nic_driver_name, | |
3493 | .id_table = netxen_pci_tbl, | |
3494 | .probe = netxen_nic_probe, | |
c3f9c88c | 3495 | .remove = netxen_nic_remove, |
01542cd1 | 3496 | #ifdef CONFIG_PM |
0b72e659 | 3497 | .suspend = netxen_nic_suspend, |
22b5794b | 3498 | .resume = netxen_nic_resume, |
01542cd1 | 3499 | #endif |
e87ad553 AKS |
3500 | .shutdown = netxen_nic_shutdown, |
3501 | .err_handler = &netxen_err_handler | |
3d396eb1 AK |
3502 | }; |
3503 | ||
3d396eb1 AK |
3504 | static int __init netxen_init_module(void) |
3505 | { | |
ff4fbd43 DP |
3506 | printk(KERN_INFO "%s\n", netxen_nic_driver_string); |
3507 | ||
044824d9 | 3508 | #ifdef CONFIG_INET |
6598b169 DP |
3509 | register_netdevice_notifier(&netxen_netdev_cb); |
3510 | register_inetaddr_notifier(&netxen_inetaddr_cb); | |
044824d9 | 3511 | #endif |
184231bd | 3512 | return pci_register_driver(&netxen_driver); |
3d396eb1 AK |
3513 | } |
3514 | ||
3515 | module_init(netxen_init_module); | |
3516 | ||
3517 | static void __exit netxen_exit_module(void) | |
3518 | { | |
3d396eb1 | 3519 | pci_unregister_driver(&netxen_driver); |
6598b169 | 3520 | |
044824d9 | 3521 | #ifdef CONFIG_INET |
6598b169 DP |
3522 | unregister_inetaddr_notifier(&netxen_inetaddr_cb); |
3523 | unregister_netdevice_notifier(&netxen_netdev_cb); | |
044824d9 | 3524 | #endif |
3d396eb1 AK |
3525 | } |
3526 | ||
3527 | module_exit(netxen_exit_module); |