]>
Commit | Line | Data |
---|---|---|
3d396eb1 | 1 | /* |
5d242f1c | 2 | * Copyright (C) 2003 - 2009 NetXen, Inc. |
13af7a6e | 3 | * Copyright (C) 2009 - QLogic Corporation. |
3d396eb1 | 4 | * All rights reserved. |
80922fbc | 5 | * |
3d396eb1 AK |
6 | * This program is free software; you can redistribute it and/or |
7 | * modify it under the terms of the GNU General Public License | |
8 | * as published by the Free Software Foundation; either version 2 | |
9 | * of the License, or (at your option) any later version. | |
80922fbc | 10 | * |
3d396eb1 AK |
11 | * This program is distributed in the hope that it will be useful, but |
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
80922fbc | 15 | * |
3d396eb1 AK |
16 | * You should have received a copy of the GNU General Public License |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, | |
19 | * MA 02111-1307, USA. | |
80922fbc | 20 | * |
3d396eb1 | 21 | * The full GNU General Public License is included in this distribution |
4d21fef4 | 22 | * in the file called "COPYING". |
80922fbc | 23 | * |
3d396eb1 AK |
24 | */ |
25 | ||
5a0e3ad6 | 26 | #include <linux/slab.h> |
cb8011ad | 27 | #include <linux/vmalloc.h> |
e98e3350 | 28 | #include <linux/interrupt.h> |
3d396eb1 AK |
29 | #include "netxen_nic_hw.h" |
30 | ||
31 | #include "netxen_nic.h" | |
3d396eb1 | 32 | |
1494a814 | 33 | #include <linux/dma-mapping.h> |
391587c3 | 34 | #include <linux/if_vlan.h> |
c9bdd4b5 | 35 | #include <net/ip.h> |
00977784 | 36 | #include <linux/ipv6.h> |
6598b169 | 37 | #include <linux/inetdevice.h> |
0531d7b8 | 38 | #include <linux/sysfs.h> |
e87ad553 | 39 | #include <linux/aer.h> |
1494a814 | 40 | |
0438a1b2 | 41 | MODULE_DESCRIPTION("QLogic/NetXen (1/10) GbE Intelligent Ethernet Driver"); |
3d396eb1 AK |
42 | MODULE_LICENSE("GPL"); |
43 | MODULE_VERSION(NETXEN_NIC_LINUX_VERSIONID); | |
7e8e5d97 | 44 | MODULE_FIRMWARE(NX_UNIFIED_ROMIMAGE_NAME); |
3d396eb1 | 45 | |
ceded32f | 46 | char netxen_nic_driver_name[] = "netxen_nic"; |
c25c0b9b | 47 | static char netxen_nic_driver_string[] = "QLogic/NetXen Network Driver v" |
cb8011ad | 48 | NETXEN_NIC_LINUX_VERSIONID; |
3d396eb1 | 49 | |
2956640d DP |
50 | static int port_mode = NETXEN_PORT_MODE_AUTO_NEG; |
51 | ||
52 | /* Default to restricted 1G auto-neg mode */ | |
53 | static int wol_port_mode = 5; | |
54 | ||
55 | static int use_msi = 1; | |
56 | ||
57 | static int use_msi_x = 1; | |
58 | ||
afdafff1 SH |
59 | static int auto_fw_reset = AUTO_FW_RESET_ENABLED; |
60 | module_param(auto_fw_reset, int, 0644); | |
61 | MODULE_PARM_DESC(auto_fw_reset,"Auto firmware reset (0=disabled, 1=enabled"); | |
caa2dd53 | 62 | |
3d396eb1 | 63 | static int __devinit netxen_nic_probe(struct pci_dev *pdev, |
2956640d | 64 | const struct pci_device_id *ent); |
3d396eb1 AK |
65 | static void __devexit netxen_nic_remove(struct pci_dev *pdev); |
66 | static int netxen_nic_open(struct net_device *netdev); | |
67 | static int netxen_nic_close(struct net_device *netdev); | |
61357325 SH |
68 | static netdev_tx_t netxen_nic_xmit_frame(struct sk_buff *, |
69 | struct net_device *); | |
3d396eb1 | 70 | static void netxen_tx_timeout(struct net_device *netdev); |
74c520da | 71 | static void netxen_tx_timeout_task(struct work_struct *work); |
6a581e93 DP |
72 | static void netxen_fw_poll_work(struct work_struct *work); |
73 | static void netxen_schedule_work(struct netxen_adapter *adapter, | |
74 | work_func_t func, int delay); | |
75 | static void netxen_cancel_fw_work(struct netxen_adapter *adapter); | |
bea3348e | 76 | static int netxen_nic_poll(struct napi_struct *napi, int budget); |
3d396eb1 AK |
77 | #ifdef CONFIG_NET_POLL_CONTROLLER |
78 | static void netxen_nic_poll_controller(struct net_device *netdev); | |
79 | #endif | |
fa3ce355 NK |
80 | |
81 | static void netxen_create_sysfs_entries(struct netxen_adapter *adapter); | |
82 | static void netxen_remove_sysfs_entries(struct netxen_adapter *adapter); | |
70f9cf89 DP |
83 | static void netxen_create_diag_entries(struct netxen_adapter *adapter); |
84 | static void netxen_remove_diag_entries(struct netxen_adapter *adapter); | |
e87ad553 | 85 | static int nx_dev_request_aer(struct netxen_adapter *adapter); |
6a581e93 DP |
86 | static int nx_decr_dev_ref_cnt(struct netxen_adapter *adapter); |
87 | static int netxen_can_start_firmware(struct netxen_adapter *adapter); | |
88 | ||
1494a814 | 89 | static irqreturn_t netxen_intr(int irq, void *data); |
05aaa02d | 90 | static irqreturn_t netxen_msi_intr(int irq, void *data); |
b3df68f8 | 91 | static irqreturn_t netxen_msix_intr(int irq, void *data); |
3d396eb1 | 92 | |
57569d0e RB |
93 | static void netxen_free_vlan_ip_list(struct netxen_adapter *); |
94 | static void netxen_restore_indev_addr(struct net_device *dev, unsigned long); | |
47fd428c | 95 | static struct rtnl_link_stats64 *netxen_nic_get_stats(struct net_device *dev, |
96 | struct rtnl_link_stats64 *stats); | |
7e12bb0a | 97 | static int netxen_nic_set_mac(struct net_device *netdev, void *p); |
d0725e4d | 98 | |
3d396eb1 | 99 | /* PCI Device ID Table */ |
70081ac5 | 100 | #define ENTRY(device) \ |
040dec3b | 101 | {PCI_DEVICE(PCI_VENDOR_ID_NETXEN, (device)), \ |
70081ac5 AV |
102 | .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0} |
103 | ||
a3aa1884 | 104 | static DEFINE_PCI_DEVICE_TABLE(netxen_pci_tbl) = { |
040dec3b DP |
105 | ENTRY(PCI_DEVICE_ID_NX2031_10GXSR), |
106 | ENTRY(PCI_DEVICE_ID_NX2031_10GCX4), | |
107 | ENTRY(PCI_DEVICE_ID_NX2031_4GCU), | |
108 | ENTRY(PCI_DEVICE_ID_NX2031_IMEZ), | |
109 | ENTRY(PCI_DEVICE_ID_NX2031_HMEZ), | |
110 | ENTRY(PCI_DEVICE_ID_NX2031_XG_MGMT), | |
111 | ENTRY(PCI_DEVICE_ID_NX2031_XG_MGMT2), | |
112 | ENTRY(PCI_DEVICE_ID_NX3031), | |
3d396eb1 AK |
113 | {0,} |
114 | }; | |
115 | ||
116 | MODULE_DEVICE_TABLE(pci, netxen_pci_tbl); | |
117 | ||
7830b22c DP |
118 | static uint32_t crb_cmd_producer[4] = { |
119 | CRB_CMD_PRODUCER_OFFSET, CRB_CMD_PRODUCER_OFFSET_1, | |
120 | CRB_CMD_PRODUCER_OFFSET_2, CRB_CMD_PRODUCER_OFFSET_3 | |
121 | }; | |
122 | ||
c9fc891f | 123 | void |
3ce06a32 | 124 | netxen_nic_update_cmd_producer(struct netxen_adapter *adapter, |
cb2107be | 125 | struct nx_host_tx_ring *tx_ring) |
3176ff3e | 126 | { |
195c5f98 | 127 | NXWRIO(adapter, tx_ring->crb_cmd_producer, tx_ring->producer); |
3176ff3e MT |
128 | } |
129 | ||
7830b22c DP |
130 | static uint32_t crb_cmd_consumer[4] = { |
131 | CRB_CMD_CONSUMER_OFFSET, CRB_CMD_CONSUMER_OFFSET_1, | |
132 | CRB_CMD_CONSUMER_OFFSET_2, CRB_CMD_CONSUMER_OFFSET_3 | |
133 | }; | |
134 | ||
3ce06a32 DP |
135 | static inline void |
136 | netxen_nic_update_cmd_consumer(struct netxen_adapter *adapter, | |
cb2107be | 137 | struct nx_host_tx_ring *tx_ring) |
3176ff3e | 138 | { |
195c5f98 | 139 | NXWRIO(adapter, tx_ring->crb_cmd_consumer, tx_ring->sw_consumer); |
3176ff3e MT |
140 | } |
141 | ||
2956640d | 142 | static uint32_t msi_tgt_status[8] = { |
443be796 | 143 | ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, |
2956640d DP |
144 | ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3, |
145 | ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5, | |
146 | ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7 | |
443be796 DP |
147 | }; |
148 | ||
2956640d DP |
149 | static struct netxen_legacy_intr_set legacy_intr[] = NX_LEGACY_INTR_CONFIG; |
150 | ||
d8b100c5 | 151 | static inline void netxen_nic_disable_int(struct nx_host_sds_ring *sds_ring) |
4638aef1 | 152 | { |
d8b100c5 DP |
153 | struct netxen_adapter *adapter = sds_ring->adapter; |
154 | ||
195c5f98 | 155 | NXWRIO(adapter, sds_ring->crb_intr_mask, 0); |
4638aef1 SH |
156 | } |
157 | ||
d8b100c5 | 158 | static inline void netxen_nic_enable_int(struct nx_host_sds_ring *sds_ring) |
4638aef1 | 159 | { |
d8b100c5 DP |
160 | struct netxen_adapter *adapter = sds_ring->adapter; |
161 | ||
195c5f98 | 162 | NXWRIO(adapter, sds_ring->crb_intr_mask, 0x1); |
4638aef1 | 163 | |
092bc571 | 164 | if (!NETXEN_IS_MSI_FAMILY(adapter)) |
195c5f98 | 165 | NXWRIO(adapter, adapter->tgt_mask_reg, 0xfbff); |
4638aef1 SH |
166 | } |
167 | ||
71dcddbd DP |
168 | static int |
169 | netxen_alloc_sds_rings(struct netxen_recv_context *recv_ctx, int count) | |
170 | { | |
171 | int size = sizeof(struct nx_host_sds_ring) * count; | |
172 | ||
173 | recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL); | |
174 | ||
807540ba | 175 | return recv_ctx->sds_rings == NULL; |
71dcddbd DP |
176 | } |
177 | ||
d8b100c5 | 178 | static void |
71dcddbd DP |
179 | netxen_free_sds_rings(struct netxen_recv_context *recv_ctx) |
180 | { | |
181 | if (recv_ctx->sds_rings != NULL) | |
182 | kfree(recv_ctx->sds_rings); | |
232e7d68 DP |
183 | |
184 | recv_ctx->sds_rings = NULL; | |
71dcddbd DP |
185 | } |
186 | ||
187 | static int | |
d8b100c5 DP |
188 | netxen_napi_add(struct netxen_adapter *adapter, struct net_device *netdev) |
189 | { | |
190 | int ring; | |
191 | struct nx_host_sds_ring *sds_ring; | |
192 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; | |
193 | ||
71dcddbd | 194 | if (netxen_alloc_sds_rings(recv_ctx, adapter->max_sds_rings)) |
f17443f4 | 195 | return -ENOMEM; |
71dcddbd | 196 | |
d8b100c5 DP |
197 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
198 | sds_ring = &recv_ctx->sds_rings[ring]; | |
199 | netif_napi_add(netdev, &sds_ring->napi, | |
200 | netxen_nic_poll, NETXEN_NETDEV_WEIGHT); | |
201 | } | |
71dcddbd DP |
202 | |
203 | return 0; | |
d8b100c5 DP |
204 | } |
205 | ||
232e7d68 DP |
206 | static void |
207 | netxen_napi_del(struct netxen_adapter *adapter) | |
208 | { | |
209 | int ring; | |
210 | struct nx_host_sds_ring *sds_ring; | |
211 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; | |
212 | ||
213 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
214 | sds_ring = &recv_ctx->sds_rings[ring]; | |
215 | netif_napi_del(&sds_ring->napi); | |
216 | } | |
217 | ||
218 | netxen_free_sds_rings(&adapter->recv_ctx); | |
219 | } | |
220 | ||
d8b100c5 DP |
221 | static void |
222 | netxen_napi_enable(struct netxen_adapter *adapter) | |
223 | { | |
224 | int ring; | |
225 | struct nx_host_sds_ring *sds_ring; | |
226 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; | |
227 | ||
228 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
229 | sds_ring = &recv_ctx->sds_rings[ring]; | |
230 | napi_enable(&sds_ring->napi); | |
231 | netxen_nic_enable_int(sds_ring); | |
232 | } | |
233 | } | |
234 | ||
235 | static void | |
236 | netxen_napi_disable(struct netxen_adapter *adapter) | |
237 | { | |
238 | int ring; | |
239 | struct nx_host_sds_ring *sds_ring; | |
240 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; | |
241 | ||
242 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
243 | sds_ring = &recv_ctx->sds_rings[ring]; | |
be339aee | 244 | netxen_nic_disable_int(sds_ring); |
b2af9cb0 DP |
245 | napi_synchronize(&sds_ring->napi); |
246 | napi_disable(&sds_ring->napi); | |
d8b100c5 DP |
247 | } |
248 | } | |
249 | ||
50c643e7 | 250 | static int nx_set_dma_mask(struct netxen_adapter *adapter) |
2956640d DP |
251 | { |
252 | struct pci_dev *pdev = adapter->pdev; | |
1f434f63 DP |
253 | uint64_t mask, cmask; |
254 | ||
255 | adapter->pci_using_dac = 0; | |
2956640d | 256 | |
6afd142f | 257 | mask = DMA_BIT_MASK(32); |
6afd142f | 258 | cmask = DMA_BIT_MASK(32); |
1f434f63 | 259 | |
50c643e7 | 260 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { |
1f434f63 | 261 | #ifndef CONFIG_IA64 |
6afd142f | 262 | mask = DMA_BIT_MASK(35); |
1f434f63 | 263 | #endif |
50c643e7 DP |
264 | } else { |
265 | mask = DMA_BIT_MASK(39); | |
266 | cmask = mask; | |
267 | } | |
268 | ||
2956640d | 269 | if (pci_set_dma_mask(pdev, mask) == 0 && |
1f434f63 | 270 | pci_set_consistent_dma_mask(pdev, cmask) == 0) { |
2956640d DP |
271 | adapter->pci_using_dac = 1; |
272 | return 0; | |
273 | } | |
2956640d | 274 | |
1f434f63 DP |
275 | return -EIO; |
276 | } | |
277 | ||
278 | /* Update addressable range if firmware supports it */ | |
279 | static int | |
280 | nx_update_dma_mask(struct netxen_adapter *adapter) | |
281 | { | |
282 | int change, shift, err; | |
50c643e7 | 283 | uint64_t mask, old_mask, old_cmask; |
1f434f63 DP |
284 | struct pci_dev *pdev = adapter->pdev; |
285 | ||
286 | change = 0; | |
287 | ||
f98a9f69 | 288 | shift = NXRD32(adapter, CRB_DMA_SHIFT); |
f60f7856 | 289 | if (shift > 32) |
1f434f63 DP |
290 | return 0; |
291 | ||
292 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id) && (shift > 9)) | |
293 | change = 1; | |
294 | else if ((adapter->ahw.revision_id == NX_P2_C1) && (shift <= 4)) | |
295 | change = 1; | |
296 | ||
297 | if (change) { | |
298 | old_mask = pdev->dma_mask; | |
50c643e7 DP |
299 | old_cmask = pdev->dev.coherent_dma_mask; |
300 | ||
f60f7856 | 301 | mask = DMA_BIT_MASK(32+shift); |
1f434f63 DP |
302 | |
303 | err = pci_set_dma_mask(pdev, mask); | |
304 | if (err) | |
50c643e7 DP |
305 | goto err_out; |
306 | ||
307 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { | |
308 | ||
309 | err = pci_set_consistent_dma_mask(pdev, mask); | |
310 | if (err) | |
311 | goto err_out; | |
312 | } | |
313 | dev_info(&pdev->dev, "using %d-bit dma mask\n", 32+shift); | |
2956640d DP |
314 | } |
315 | ||
2956640d | 316 | return 0; |
50c643e7 DP |
317 | |
318 | err_out: | |
319 | pci_set_dma_mask(pdev, old_mask); | |
320 | pci_set_consistent_dma_mask(pdev, old_cmask); | |
321 | return err; | |
2956640d DP |
322 | } |
323 | ||
2956640d DP |
324 | static int |
325 | netxen_check_hw_init(struct netxen_adapter *adapter, int first_boot) | |
326 | { | |
27c915a4 | 327 | u32 val, timeout; |
2956640d DP |
328 | |
329 | if (first_boot == 0x55555555) { | |
330 | /* This is the first boot after power up */ | |
f98a9f69 | 331 | NXWR32(adapter, NETXEN_CAM_RAM(0x1fc), NETXEN_BDINFO_MAGIC); |
27c915a4 DP |
332 | |
333 | if (!NX_IS_REVISION_P2(adapter->ahw.revision_id)) | |
334 | return 0; | |
2956640d DP |
335 | |
336 | /* PCI bus master workaround */ | |
f98a9f69 | 337 | first_boot = NXRD32(adapter, NETXEN_PCIE_REG(0x4)); |
2956640d DP |
338 | if (!(first_boot & 0x4)) { |
339 | first_boot |= 0x4; | |
f98a9f69 | 340 | NXWR32(adapter, NETXEN_PCIE_REG(0x4), first_boot); |
581e8ae4 | 341 | NXRD32(adapter, NETXEN_PCIE_REG(0x4)); |
2956640d DP |
342 | } |
343 | ||
344 | /* This is the first boot after power up */ | |
f98a9f69 | 345 | first_boot = NXRD32(adapter, NETXEN_ROMUSB_GLB_SW_RESET); |
2956640d DP |
346 | if (first_boot != 0x80000f) { |
347 | /* clear the register for future unloads/loads */ | |
f98a9f69 | 348 | NXWR32(adapter, NETXEN_CAM_RAM(0x1fc), 0); |
27c915a4 | 349 | return -EIO; |
2956640d DP |
350 | } |
351 | ||
27c915a4 | 352 | /* Start P2 boot loader */ |
f98a9f69 DP |
353 | val = NXRD32(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE); |
354 | NXWR32(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE, val | 0x1); | |
27c915a4 DP |
355 | timeout = 0; |
356 | do { | |
357 | msleep(1); | |
f98a9f69 | 358 | val = NXRD32(adapter, NETXEN_CAM_RAM(0x1fc)); |
27c915a4 DP |
359 | |
360 | if (++timeout > 5000) | |
361 | return -EIO; | |
362 | ||
363 | } while (val == NETXEN_BDINFO_MAGIC); | |
2956640d | 364 | } |
27c915a4 | 365 | return 0; |
2956640d DP |
366 | } |
367 | ||
368 | static void netxen_set_port_mode(struct netxen_adapter *adapter) | |
369 | { | |
370 | u32 val, data; | |
371 | ||
1e2d0059 | 372 | val = adapter->ahw.board_type; |
2956640d DP |
373 | if ((val == NETXEN_BRDTYPE_P3_HMEZ) || |
374 | (val == NETXEN_BRDTYPE_P3_XG_LOM)) { | |
375 | if (port_mode == NETXEN_PORT_MODE_802_3_AP) { | |
376 | data = NETXEN_PORT_MODE_802_3_AP; | |
f98a9f69 | 377 | NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data); |
2956640d DP |
378 | } else if (port_mode == NETXEN_PORT_MODE_XG) { |
379 | data = NETXEN_PORT_MODE_XG; | |
f98a9f69 | 380 | NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data); |
2956640d DP |
381 | } else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_1G) { |
382 | data = NETXEN_PORT_MODE_AUTO_NEG_1G; | |
f98a9f69 | 383 | NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data); |
2956640d DP |
384 | } else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_XG) { |
385 | data = NETXEN_PORT_MODE_AUTO_NEG_XG; | |
f98a9f69 | 386 | NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data); |
2956640d DP |
387 | } else { |
388 | data = NETXEN_PORT_MODE_AUTO_NEG; | |
f98a9f69 | 389 | NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data); |
2956640d DP |
390 | } |
391 | ||
392 | if ((wol_port_mode != NETXEN_PORT_MODE_802_3_AP) && | |
393 | (wol_port_mode != NETXEN_PORT_MODE_XG) && | |
394 | (wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_1G) && | |
395 | (wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_XG)) { | |
396 | wol_port_mode = NETXEN_PORT_MODE_AUTO_NEG; | |
397 | } | |
f98a9f69 | 398 | NXWR32(adapter, NETXEN_WOL_PORT_MODE, wol_port_mode); |
2956640d DP |
399 | } |
400 | } | |
401 | ||
e3feb266 RB |
402 | #define PCI_CAP_ID_GEN 0x10 |
403 | ||
404 | static void netxen_pcie_strap_init(struct netxen_adapter *adapter) | |
405 | { | |
406 | u32 pdevfuncsave; | |
407 | u32 c8c9value = 0; | |
408 | u32 chicken = 0; | |
409 | u32 control = 0; | |
410 | int i, pos; | |
411 | struct pci_dev *pdev; | |
412 | ||
413 | pdev = adapter->pdev; | |
414 | ||
415 | chicken = NXRD32(adapter, NETXEN_PCIE_REG(PCIE_CHICKEN3)); | |
416 | /* clear chicken3.25:24 */ | |
417 | chicken &= 0xFCFFFFFF; | |
418 | /* | |
419 | * if gen1 and B0, set F1020 - if gen 2, do nothing | |
420 | * if gen2 set to F1000 | |
421 | */ | |
422 | pos = pci_find_capability(pdev, PCI_CAP_ID_GEN); | |
423 | if (pos == 0xC0) { | |
424 | pci_read_config_dword(pdev, pos + 0x10, &control); | |
425 | if ((control & 0x000F0000) != 0x00020000) { | |
426 | /* set chicken3.24 if gen1 */ | |
427 | chicken |= 0x01000000; | |
428 | } | |
429 | dev_info(&adapter->pdev->dev, "Gen2 strapping detected\n"); | |
430 | c8c9value = 0xF1000; | |
431 | } else { | |
432 | /* set chicken3.24 if gen1 */ | |
433 | chicken |= 0x01000000; | |
434 | dev_info(&adapter->pdev->dev, "Gen1 strapping detected\n"); | |
435 | if (adapter->ahw.revision_id == NX_P3_B0) | |
436 | c8c9value = 0xF1020; | |
437 | else | |
438 | c8c9value = 0; | |
439 | } | |
440 | ||
441 | NXWR32(adapter, NETXEN_PCIE_REG(PCIE_CHICKEN3), chicken); | |
442 | ||
443 | if (!c8c9value) | |
444 | return; | |
445 | ||
446 | pdevfuncsave = pdev->devfn; | |
447 | if (pdevfuncsave & 0x07) | |
448 | return; | |
449 | ||
450 | for (i = 0; i < 8; i++) { | |
451 | pci_read_config_dword(pdev, pos + 8, &control); | |
452 | pci_read_config_dword(pdev, pos + 8, &control); | |
453 | pci_write_config_dword(pdev, pos + 8, c8c9value); | |
454 | pdev->devfn++; | |
455 | } | |
456 | pdev->devfn = pdevfuncsave; | |
457 | } | |
458 | ||
2956640d DP |
459 | static void netxen_set_msix_bit(struct pci_dev *pdev, int enable) |
460 | { | |
461 | u32 control; | |
462 | int pos; | |
463 | ||
464 | pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX); | |
465 | if (pos) { | |
466 | pci_read_config_dword(pdev, pos, &control); | |
467 | if (enable) | |
468 | control |= PCI_MSIX_FLAGS_ENABLE; | |
469 | else | |
470 | control = 0; | |
471 | pci_write_config_dword(pdev, pos, control); | |
472 | } | |
473 | } | |
474 | ||
be339aee | 475 | static void netxen_init_msix_entries(struct netxen_adapter *adapter, int count) |
2956640d DP |
476 | { |
477 | int i; | |
478 | ||
be339aee | 479 | for (i = 0; i < count; i++) |
2956640d DP |
480 | adapter->msix_entries[i].entry = i; |
481 | } | |
482 | ||
9dc28efe DP |
483 | static int |
484 | netxen_read_mac_addr(struct netxen_adapter *adapter) | |
485 | { | |
486 | int i; | |
487 | unsigned char *p; | |
a03d2451 | 488 | u64 mac_addr; |
9dc28efe DP |
489 | struct net_device *netdev = adapter->netdev; |
490 | struct pci_dev *pdev = adapter->pdev; | |
491 | ||
9dc28efe DP |
492 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { |
493 | if (netxen_p3_get_mac_addr(adapter, &mac_addr) != 0) | |
494 | return -EIO; | |
495 | } else { | |
496 | if (netxen_get_flash_mac_addr(adapter, &mac_addr) != 0) | |
497 | return -EIO; | |
498 | } | |
499 | ||
500 | p = (unsigned char *)&mac_addr; | |
501 | for (i = 0; i < 6; i++) | |
502 | netdev->dev_addr[i] = *(p + 5 - i); | |
503 | ||
504 | memcpy(netdev->perm_addr, netdev->dev_addr, netdev->addr_len); | |
5d09e534 | 505 | memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len); |
9dc28efe DP |
506 | |
507 | /* set station address */ | |
508 | ||
e174961c JB |
509 | if (!is_valid_ether_addr(netdev->perm_addr)) |
510 | dev_warn(&pdev->dev, "Bad MAC address %pM.\n", netdev->dev_addr); | |
9dc28efe DP |
511 | |
512 | return 0; | |
513 | } | |
514 | ||
7e12bb0a | 515 | static int netxen_nic_set_mac(struct net_device *netdev, void *p) |
3d0a3cc9 DP |
516 | { |
517 | struct netxen_adapter *adapter = netdev_priv(netdev); | |
518 | struct sockaddr *addr = p; | |
519 | ||
520 | if (!is_valid_ether_addr(addr->sa_data)) | |
521 | return -EINVAL; | |
522 | ||
523 | if (netif_running(netdev)) { | |
524 | netif_device_detach(netdev); | |
525 | netxen_napi_disable(adapter); | |
526 | } | |
527 | ||
5d09e534 | 528 | memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len); |
3d0a3cc9 DP |
529 | memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); |
530 | adapter->macaddr_set(adapter, addr->sa_data); | |
531 | ||
532 | if (netif_running(netdev)) { | |
533 | netif_device_attach(netdev); | |
534 | netxen_napi_enable(adapter); | |
535 | } | |
536 | return 0; | |
537 | } | |
538 | ||
1abd266f SH |
539 | static void netxen_set_multicast_list(struct net_device *dev) |
540 | { | |
541 | struct netxen_adapter *adapter = netdev_priv(dev); | |
542 | ||
3d0a3cc9 | 543 | adapter->set_multi(dev); |
1abd266f SH |
544 | } |
545 | ||
c8f44aff MM |
546 | static netdev_features_t netxen_fix_features(struct net_device *dev, |
547 | netdev_features_t features) | |
066413da MM |
548 | { |
549 | if (!(features & NETIF_F_RXCSUM)) { | |
550 | netdev_info(dev, "disabling LRO as RXCSUM is off\n"); | |
551 | ||
552 | features &= ~NETIF_F_LRO; | |
553 | } | |
554 | ||
555 | return features; | |
556 | } | |
557 | ||
c8f44aff MM |
558 | static int netxen_set_features(struct net_device *dev, |
559 | netdev_features_t features) | |
066413da MM |
560 | { |
561 | struct netxen_adapter *adapter = netdev_priv(dev); | |
562 | int hw_lro; | |
563 | ||
564 | if (!((dev->features ^ features) & NETIF_F_LRO)) | |
565 | return 0; | |
566 | ||
567 | hw_lro = (features & NETIF_F_LRO) ? NETXEN_NIC_LRO_ENABLED | |
568 | : NETXEN_NIC_LRO_DISABLED; | |
569 | ||
570 | if (netxen_config_hw_lro(adapter, hw_lro)) | |
571 | return -EIO; | |
572 | ||
573 | if (!(features & NETIF_F_LRO) && netxen_send_lro_cleanup(adapter)) | |
574 | return -EIO; | |
575 | ||
576 | return 0; | |
577 | } | |
578 | ||
1abd266f SH |
579 | static const struct net_device_ops netxen_netdev_ops = { |
580 | .ndo_open = netxen_nic_open, | |
581 | .ndo_stop = netxen_nic_close, | |
582 | .ndo_start_xmit = netxen_nic_xmit_frame, | |
47fd428c | 583 | .ndo_get_stats64 = netxen_nic_get_stats, |
1abd266f | 584 | .ndo_validate_addr = eth_validate_addr, |
afc4b13d | 585 | .ndo_set_rx_mode = netxen_set_multicast_list, |
1abd266f SH |
586 | .ndo_set_mac_address = netxen_nic_set_mac, |
587 | .ndo_change_mtu = netxen_nic_change_mtu, | |
588 | .ndo_tx_timeout = netxen_tx_timeout, | |
066413da MM |
589 | .ndo_fix_features = netxen_fix_features, |
590 | .ndo_set_features = netxen_set_features, | |
1abd266f SH |
591 | #ifdef CONFIG_NET_POLL_CONTROLLER |
592 | .ndo_poll_controller = netxen_nic_poll_controller, | |
593 | #endif | |
594 | }; | |
595 | ||
97daee83 DP |
596 | static void |
597 | netxen_setup_intr(struct netxen_adapter *adapter) | |
598 | { | |
599 | struct netxen_legacy_intr_set *legacy_intrp; | |
600 | struct pci_dev *pdev = adapter->pdev; | |
be339aee DP |
601 | int err, num_msix; |
602 | ||
603 | if (adapter->rss_supported) { | |
604 | num_msix = (num_online_cpus() >= MSIX_ENTRIES_PER_ADAPTER) ? | |
605 | MSIX_ENTRIES_PER_ADAPTER : 2; | |
606 | } else | |
607 | num_msix = 1; | |
608 | ||
609 | adapter->max_sds_rings = 1; | |
97daee83 DP |
610 | |
611 | adapter->flags &= ~(NETXEN_NIC_MSI_ENABLED | NETXEN_NIC_MSIX_ENABLED); | |
97daee83 DP |
612 | |
613 | if (adapter->ahw.revision_id >= NX_P3_B0) | |
614 | legacy_intrp = &legacy_intr[adapter->ahw.pci_func]; | |
615 | else | |
616 | legacy_intrp = &legacy_intr[0]; | |
195c5f98 AKS |
617 | |
618 | adapter->int_vec_bit = legacy_intrp->int_vec_bit; | |
619 | adapter->tgt_status_reg = netxen_get_ioaddr(adapter, | |
620 | legacy_intrp->tgt_status_reg); | |
621 | adapter->tgt_mask_reg = netxen_get_ioaddr(adapter, | |
622 | legacy_intrp->tgt_mask_reg); | |
623 | adapter->pci_int_reg = netxen_get_ioaddr(adapter, | |
624 | legacy_intrp->pci_int_reg); | |
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, | |
629 | ISR_INT_STATE_REG); | |
630 | else | |
631 | adapter->crb_int_state_reg = netxen_get_ioaddr(adapter, | |
632 | CRB_INT_VECTOR); | |
97daee83 DP |
633 | |
634 | netxen_set_msix_bit(pdev, 0); | |
635 | ||
636 | if (adapter->msix_supported) { | |
637 | ||
be339aee DP |
638 | netxen_init_msix_entries(adapter, num_msix); |
639 | err = pci_enable_msix(pdev, adapter->msix_entries, num_msix); | |
640 | if (err == 0) { | |
641 | adapter->flags |= NETXEN_NIC_MSIX_ENABLED; | |
642 | netxen_set_msix_bit(pdev, 1); | |
97daee83 | 643 | |
be339aee DP |
644 | if (adapter->rss_supported) |
645 | adapter->max_sds_rings = num_msix; | |
97daee83 | 646 | |
be339aee DP |
647 | dev_info(&pdev->dev, "using msi-x interrupts\n"); |
648 | return; | |
649 | } | |
650 | ||
651 | if (err > 0) | |
652 | pci_disable_msix(pdev); | |
653 | ||
654 | /* fall through for msi */ | |
97daee83 | 655 | } |
be339aee DP |
656 | |
657 | if (use_msi && !pci_enable_msi(pdev)) { | |
658 | adapter->flags |= NETXEN_NIC_MSI_ENABLED; | |
195c5f98 AKS |
659 | adapter->tgt_status_reg = netxen_get_ioaddr(adapter, |
660 | msi_tgt_status[adapter->ahw.pci_func]); | |
be339aee | 661 | dev_info(&pdev->dev, "using msi interrupts\n"); |
f67f3408 | 662 | adapter->msix_entries[0].vector = pdev->irq; |
be339aee DP |
663 | return; |
664 | } | |
665 | ||
666 | dev_info(&pdev->dev, "using legacy interrupts\n"); | |
667 | adapter->msix_entries[0].vector = pdev->irq; | |
97daee83 DP |
668 | } |
669 | ||
670 | static void | |
671 | netxen_teardown_intr(struct netxen_adapter *adapter) | |
672 | { | |
673 | if (adapter->flags & NETXEN_NIC_MSIX_ENABLED) | |
674 | pci_disable_msix(adapter->pdev); | |
675 | if (adapter->flags & NETXEN_NIC_MSI_ENABLED) | |
676 | pci_disable_msi(adapter->pdev); | |
677 | } | |
678 | ||
679 | static void | |
680 | netxen_cleanup_pci_map(struct netxen_adapter *adapter) | |
681 | { | |
682 | if (adapter->ahw.db_base != NULL) | |
683 | iounmap(adapter->ahw.db_base); | |
684 | if (adapter->ahw.pci_base0 != NULL) | |
685 | iounmap(adapter->ahw.pci_base0); | |
686 | if (adapter->ahw.pci_base1 != NULL) | |
687 | iounmap(adapter->ahw.pci_base1); | |
688 | if (adapter->ahw.pci_base2 != NULL) | |
689 | iounmap(adapter->ahw.pci_base2); | |
690 | } | |
691 | ||
692 | static int | |
693 | netxen_setup_pci_map(struct netxen_adapter *adapter) | |
694 | { | |
97daee83 DP |
695 | void __iomem *db_ptr = NULL; |
696 | ||
71fb62fb | 697 | resource_size_t mem_base, db_base; |
afbe5cd6 | 698 | unsigned long mem_len, db_len = 0; |
97daee83 DP |
699 | |
700 | struct pci_dev *pdev = adapter->pdev; | |
701 | int pci_func = adapter->ahw.pci_func; | |
afbe5cd6 | 702 | struct netxen_hardware_context *ahw = &adapter->ahw; |
97daee83 DP |
703 | |
704 | int err = 0; | |
705 | ||
706 | /* | |
707 | * Set the CRB window to invalid. If any register in window 0 is | |
708 | * accessed it should set the window to 0 and then reset it to 1. | |
709 | */ | |
907fa120 | 710 | adapter->ahw.crb_win = -1; |
47abe356 | 711 | adapter->ahw.ocm_win = -1; |
97daee83 DP |
712 | |
713 | /* remap phys address */ | |
714 | mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */ | |
715 | mem_len = pci_resource_len(pdev, 0); | |
97daee83 | 716 | |
97daee83 DP |
717 | /* 128 Meg of memory */ |
718 | if (mem_len == NETXEN_PCI_128MB_SIZE) { | |
afbe5cd6 AKS |
719 | |
720 | ahw->pci_base0 = ioremap(mem_base, FIRST_PAGE_GROUP_SIZE); | |
721 | ahw->pci_base1 = ioremap(mem_base + SECOND_PAGE_GROUP_START, | |
97daee83 | 722 | SECOND_PAGE_GROUP_SIZE); |
afbe5cd6 | 723 | ahw->pci_base2 = ioremap(mem_base + THIRD_PAGE_GROUP_START, |
97daee83 | 724 | THIRD_PAGE_GROUP_SIZE); |
afbe5cd6 AKS |
725 | if (ahw->pci_base0 == NULL || ahw->pci_base1 == NULL || |
726 | ahw->pci_base2 == NULL) { | |
727 | dev_err(&pdev->dev, "failed to map PCI bar 0\n"); | |
728 | err = -EIO; | |
729 | goto err_out; | |
730 | } | |
731 | ||
732 | ahw->pci_len0 = FIRST_PAGE_GROUP_SIZE; | |
733 | ||
97daee83 | 734 | } else if (mem_len == NETXEN_PCI_32MB_SIZE) { |
afbe5cd6 AKS |
735 | |
736 | ahw->pci_base1 = ioremap(mem_base, SECOND_PAGE_GROUP_SIZE); | |
737 | ahw->pci_base2 = ioremap(mem_base + THIRD_PAGE_GROUP_START - | |
97daee83 | 738 | SECOND_PAGE_GROUP_START, THIRD_PAGE_GROUP_SIZE); |
afbe5cd6 AKS |
739 | if (ahw->pci_base1 == NULL || ahw->pci_base2 == NULL) { |
740 | dev_err(&pdev->dev, "failed to map PCI bar 0\n"); | |
741 | err = -EIO; | |
742 | goto err_out; | |
743 | } | |
744 | ||
97daee83 | 745 | } else if (mem_len == NETXEN_PCI_2MB_SIZE) { |
97daee83 | 746 | |
afbe5cd6 AKS |
747 | ahw->pci_base0 = pci_ioremap_bar(pdev, 0); |
748 | if (ahw->pci_base0 == NULL) { | |
97daee83 DP |
749 | dev_err(&pdev->dev, "failed to map PCI bar 0\n"); |
750 | return -EIO; | |
751 | } | |
afbe5cd6 | 752 | ahw->pci_len0 = mem_len; |
97daee83 DP |
753 | } else { |
754 | return -EIO; | |
755 | } | |
756 | ||
195c5f98 AKS |
757 | netxen_setup_hwops(adapter); |
758 | ||
97daee83 DP |
759 | dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20)); |
760 | ||
6abb4b83 AKS |
761 | if (NX_IS_REVISION_P3P(adapter->ahw.revision_id)) { |
762 | adapter->ahw.ocm_win_crb = netxen_get_ioaddr(adapter, | |
763 | NETXEN_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(pci_func))); | |
764 | ||
765 | } else if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { | |
47abe356 DP |
766 | adapter->ahw.ocm_win_crb = netxen_get_ioaddr(adapter, |
767 | NETXEN_PCIX_PS_REG(PCIE_MN_WINDOW_REG(pci_func))); | |
768 | } | |
769 | ||
97daee83 DP |
770 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) |
771 | goto skip_doorbell; | |
772 | ||
773 | db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */ | |
774 | db_len = pci_resource_len(pdev, 4); | |
775 | ||
776 | if (db_len == 0) { | |
777 | printk(KERN_ERR "%s: doorbell is disabled\n", | |
778 | netxen_nic_driver_name); | |
779 | err = -EIO; | |
780 | goto err_out; | |
781 | } | |
782 | ||
783 | db_ptr = ioremap(db_base, NETXEN_DB_MAPSIZE_BYTES); | |
784 | if (!db_ptr) { | |
785 | printk(KERN_ERR "%s: Failed to allocate doorbell map.", | |
786 | netxen_nic_driver_name); | |
787 | err = -EIO; | |
788 | goto err_out; | |
789 | } | |
790 | ||
791 | skip_doorbell: | |
792 | adapter->ahw.db_base = db_ptr; | |
793 | adapter->ahw.db_len = db_len; | |
794 | return 0; | |
795 | ||
796 | err_out: | |
797 | netxen_cleanup_pci_map(adapter); | |
798 | return err; | |
799 | } | |
800 | ||
2b9e62ee DP |
801 | static void |
802 | netxen_check_options(struct netxen_adapter *adapter) | |
803 | { | |
83f18a55 | 804 | u32 fw_major, fw_minor, fw_build, prev_fw_version; |
2b9e62ee DP |
805 | char brd_name[NETXEN_MAX_SHORT_NAME]; |
806 | char serial_num[32]; | |
83f18a55 | 807 | int i, offset, val, err; |
2b9e62ee DP |
808 | int *ptr32; |
809 | struct pci_dev *pdev = adapter->pdev; | |
810 | ||
811 | adapter->driver_mismatch = 0; | |
812 | ||
813 | ptr32 = (int *)&serial_num; | |
814 | offset = NX_FW_SERIAL_NUM_OFFSET; | |
815 | for (i = 0; i < 8; i++) { | |
816 | if (netxen_rom_fast_read(adapter, offset, &val) == -1) { | |
817 | dev_err(&pdev->dev, "error reading board info\n"); | |
818 | adapter->driver_mismatch = 1; | |
819 | return; | |
820 | } | |
821 | ptr32[i] = cpu_to_le32(val); | |
822 | offset += sizeof(u32); | |
823 | } | |
824 | ||
825 | fw_major = NXRD32(adapter, NETXEN_FW_VERSION_MAJOR); | |
826 | fw_minor = NXRD32(adapter, NETXEN_FW_VERSION_MINOR); | |
827 | fw_build = NXRD32(adapter, NETXEN_FW_VERSION_SUB); | |
83f18a55 | 828 | prev_fw_version = adapter->fw_version; |
2b9e62ee DP |
829 | adapter->fw_version = NETXEN_VERSION_CODE(fw_major, fw_minor, fw_build); |
830 | ||
83f18a55 M |
831 | /* Get FW Mini Coredump template and store it */ |
832 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { | |
833 | if (adapter->mdump.md_template == NULL || | |
834 | adapter->fw_version > prev_fw_version) { | |
835 | kfree(adapter->mdump.md_template); | |
836 | adapter->mdump.md_template = NULL; | |
837 | err = netxen_setup_minidump(adapter); | |
838 | if (err) | |
839 | dev_err(&adapter->pdev->dev, | |
840 | "Failed to setup minidump rcode = %d\n", err); | |
841 | } | |
842 | } | |
843 | ||
2b9e62ee DP |
844 | if (adapter->portnum == 0) { |
845 | get_brd_name_by_type(adapter->ahw.board_type, brd_name); | |
846 | ||
c25c0b9b DP |
847 | pr_info("%s: %s Board S/N %s Chip rev 0x%x\n", |
848 | module_name(THIS_MODULE), | |
2b9e62ee DP |
849 | brd_name, serial_num, adapter->ahw.revision_id); |
850 | } | |
851 | ||
852 | if (adapter->fw_version < NETXEN_VERSION_CODE(3, 4, 216)) { | |
853 | adapter->driver_mismatch = 1; | |
854 | dev_warn(&pdev->dev, "firmware version %d.%d.%d unsupported\n", | |
855 | fw_major, fw_minor, fw_build); | |
856 | return; | |
857 | } | |
858 | ||
859 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { | |
860 | i = NXRD32(adapter, NETXEN_SRE_MISC); | |
861 | adapter->ahw.cut_through = (i & 0x8000) ? 1 : 0; | |
862 | } | |
863 | ||
864 | dev_info(&pdev->dev, "firmware v%d.%d.%d [%s]\n", | |
865 | fw_major, fw_minor, fw_build, | |
866 | adapter->ahw.cut_through ? "cut-through" : "legacy"); | |
867 | ||
868 | if (adapter->fw_version >= NETXEN_VERSION_CODE(4, 0, 222)) | |
869 | adapter->capabilities = NXRD32(adapter, CRB_FW_CAPABILITIES_1); | |
870 | ||
2b9e62ee DP |
871 | if (adapter->ahw.port_type == NETXEN_NIC_XGBE) { |
872 | adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G; | |
873 | adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; | |
874 | } else if (adapter->ahw.port_type == NETXEN_NIC_GBE) { | |
875 | adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; | |
876 | adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; | |
877 | } | |
878 | ||
879 | adapter->msix_supported = 0; | |
880 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { | |
881 | adapter->msix_supported = !!use_msi_x; | |
882 | adapter->rss_supported = !!use_msi_x; | |
083ba279 AKS |
883 | } else { |
884 | u32 flashed_ver = 0; | |
885 | netxen_rom_fast_read(adapter, | |
886 | NX_FW_VERSION_OFFSET, (int *)&flashed_ver); | |
887 | flashed_ver = NETXEN_DECODE_VERSION(flashed_ver); | |
888 | ||
889 | if (flashed_ver >= NETXEN_VERSION_CODE(3, 4, 336)) { | |
890 | switch (adapter->ahw.board_type) { | |
891 | case NETXEN_BRDTYPE_P2_SB31_10G: | |
892 | case NETXEN_BRDTYPE_P2_SB31_10G_CX4: | |
893 | adapter->msix_supported = !!use_msi_x; | |
894 | adapter->rss_supported = !!use_msi_x; | |
895 | break; | |
896 | default: | |
897 | break; | |
898 | } | |
2b9e62ee DP |
899 | } |
900 | } | |
901 | ||
902 | adapter->num_txd = MAX_CMD_DESCRIPTORS; | |
903 | ||
904 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { | |
905 | adapter->num_lro_rxd = MAX_LRO_RCV_DESCRIPTORS; | |
906 | adapter->max_rds_rings = 3; | |
907 | } else { | |
908 | adapter->num_lro_rxd = 0; | |
909 | adapter->max_rds_rings = 2; | |
910 | } | |
911 | } | |
912 | ||
ba599d4f | 913 | static int |
6a581e93 | 914 | netxen_start_firmware(struct netxen_adapter *adapter) |
ba599d4f DP |
915 | { |
916 | int val, err, first_boot; | |
917 | struct pci_dev *pdev = adapter->pdev; | |
918 | ||
2b9e62ee DP |
919 | /* required for NX2031 dummy dma */ |
920 | err = nx_set_dma_mask(adapter); | |
921 | if (err) | |
922 | return err; | |
923 | ||
83f18a55 M |
924 | err = netxen_can_start_firmware(adapter); |
925 | ||
926 | if (err < 0) | |
927 | return err; | |
928 | ||
929 | if (!err) | |
96f2ebd2 | 930 | goto wait_init; |
0b72e659 | 931 | |
f98a9f69 | 932 | first_boot = NXRD32(adapter, NETXEN_CAM_RAM(0x1fc)); |
ba599d4f DP |
933 | |
934 | err = netxen_check_hw_init(adapter, first_boot); | |
935 | if (err) { | |
936 | dev_err(&pdev->dev, "error in init HW init sequence\n"); | |
937 | return err; | |
938 | } | |
939 | ||
6a581e93 | 940 | netxen_request_firmware(adapter); |
f7185c71 | 941 | |
67c38fc6 | 942 | err = netxen_need_fw_reset(adapter); |
1dbc84a7 | 943 | if (err < 0) |
db4cfd8a | 944 | goto err_out; |
1dbc84a7 | 945 | if (err == 0) |
e3feb266 | 946 | goto pcie_strap_init; |
67c38fc6 | 947 | |
ba599d4f | 948 | if (first_boot != 0x55555555) { |
f98a9f69 | 949 | NXWR32(adapter, CRB_CMDPEG_STATE, 0); |
0be367bd | 950 | netxen_pinit_from_rom(adapter); |
ba599d4f DP |
951 | msleep(1); |
952 | } | |
567c6c4e | 953 | |
f98a9f69 | 954 | NXWR32(adapter, CRB_DMA_SHIFT, 0x55555555); |
6a581e93 DP |
955 | NXWR32(adapter, NETXEN_PEG_HALT_STATUS1, 0); |
956 | NXWR32(adapter, NETXEN_PEG_HALT_STATUS2, 0); | |
957 | ||
567c6c4e DP |
958 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) |
959 | netxen_set_port_mode(adapter); | |
960 | ||
db4cfd8a DP |
961 | err = netxen_load_firmware(adapter); |
962 | if (err) | |
963 | goto err_out; | |
ba599d4f | 964 | |
6a581e93 DP |
965 | netxen_release_firmware(adapter); |
966 | ||
ba599d4f DP |
967 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { |
968 | ||
969 | /* Initialize multicast addr pool owners */ | |
970 | val = 0x7654; | |
1e2d0059 | 971 | if (adapter->ahw.port_type == NETXEN_NIC_XGBE) |
ba599d4f | 972 | val |= 0x0f000000; |
f98a9f69 | 973 | NXWR32(adapter, NETXEN_MAC_ADDR_CNTL_REG, val); |
ba599d4f DP |
974 | |
975 | } | |
976 | ||
83ac51fa | 977 | err = netxen_init_dummy_dma(adapter); |
ba599d4f | 978 | if (err) |
db4cfd8a | 979 | goto err_out; |
ba599d4f DP |
980 | |
981 | /* | |
982 | * Tell the hardware our version number. | |
983 | */ | |
984 | val = (_NETXEN_NIC_LINUX_MAJOR << 16) | |
985 | | ((_NETXEN_NIC_LINUX_MINOR << 8)) | |
986 | | (_NETXEN_NIC_LINUX_SUBVERSION); | |
f98a9f69 | 987 | NXWR32(adapter, CRB_DRIVER_VERSION, val); |
ba599d4f | 988 | |
e3feb266 RB |
989 | pcie_strap_init: |
990 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) | |
991 | netxen_pcie_strap_init(adapter); | |
992 | ||
96f2ebd2 | 993 | wait_init: |
ba599d4f DP |
994 | /* Handshake with the card before we register the devices. */ |
995 | err = netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE); | |
996 | if (err) { | |
83ac51fa | 997 | netxen_free_dummy_dma(adapter); |
db4cfd8a | 998 | goto err_out; |
ba599d4f DP |
999 | } |
1000 | ||
8f9b3f69 AKS |
1001 | NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_READY); |
1002 | ||
68b3cae0 DP |
1003 | nx_update_dma_mask(adapter); |
1004 | ||
6a581e93 | 1005 | netxen_check_options(adapter); |
68b3cae0 | 1006 | |
74c520da AKS |
1007 | adapter->need_fw_reset = 0; |
1008 | ||
ec5c50cb | 1009 | /* fall through and release firmware */ |
db4cfd8a DP |
1010 | |
1011 | err_out: | |
1012 | netxen_release_firmware(adapter); | |
1013 | return err; | |
ba599d4f DP |
1014 | } |
1015 | ||
9f5bc7f1 DP |
1016 | static int |
1017 | netxen_nic_request_irq(struct netxen_adapter *adapter) | |
1018 | { | |
1019 | irq_handler_t handler; | |
d8b100c5 DP |
1020 | struct nx_host_sds_ring *sds_ring; |
1021 | int err, ring; | |
1022 | ||
ab392d2d | 1023 | unsigned long flags = 0; |
9f5bc7f1 | 1024 | struct net_device *netdev = adapter->netdev; |
d8b100c5 | 1025 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; |
9f5bc7f1 | 1026 | |
9f5bc7f1 DP |
1027 | if (adapter->flags & NETXEN_NIC_MSIX_ENABLED) |
1028 | handler = netxen_msix_intr; | |
1029 | else if (adapter->flags & NETXEN_NIC_MSI_ENABLED) | |
1030 | handler = netxen_msi_intr; | |
1031 | else { | |
1032 | flags |= IRQF_SHARED; | |
1033 | handler = netxen_intr; | |
1034 | } | |
1035 | adapter->irq = netdev->irq; | |
1036 | ||
d8b100c5 DP |
1037 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
1038 | sds_ring = &recv_ctx->sds_rings[ring]; | |
be339aee | 1039 | sprintf(sds_ring->name, "%s[%d]", netdev->name, ring); |
d8b100c5 DP |
1040 | err = request_irq(sds_ring->irq, handler, |
1041 | flags, sds_ring->name, sds_ring); | |
1042 | if (err) | |
1043 | return err; | |
1044 | } | |
1045 | ||
1046 | return 0; | |
1047 | } | |
1048 | ||
1049 | static void | |
1050 | netxen_nic_free_irq(struct netxen_adapter *adapter) | |
1051 | { | |
1052 | int ring; | |
1053 | struct nx_host_sds_ring *sds_ring; | |
1054 | ||
1055 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; | |
1056 | ||
1057 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
1058 | sds_ring = &recv_ctx->sds_rings[ring]; | |
1059 | free_irq(sds_ring->irq, sds_ring); | |
1060 | } | |
9f5bc7f1 DP |
1061 | } |
1062 | ||
ca2ef330 DP |
1063 | static void |
1064 | netxen_nic_init_coalesce_defaults(struct netxen_adapter *adapter) | |
1065 | { | |
1066 | adapter->coal.flags = NETXEN_NIC_INTR_DEFAULT; | |
1067 | adapter->coal.normal.data.rx_time_us = | |
1068 | NETXEN_DEFAULT_INTR_COALESCE_RX_TIME_US; | |
1069 | adapter->coal.normal.data.rx_packets = | |
1070 | NETXEN_DEFAULT_INTR_COALESCE_RX_PACKETS; | |
1071 | adapter->coal.normal.data.tx_time_us = | |
1072 | NETXEN_DEFAULT_INTR_COALESCE_TX_TIME_US; | |
1073 | adapter->coal.normal.data.tx_packets = | |
1074 | NETXEN_DEFAULT_INTR_COALESCE_TX_PACKETS; | |
1075 | } | |
1076 | ||
6f771419 | 1077 | /* with rtnl_lock */ |
9f5bc7f1 | 1078 | static int |
6f771419 | 1079 | __netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev) |
9f5bc7f1 DP |
1080 | { |
1081 | int err; | |
1082 | ||
db4cfd8a DP |
1083 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) |
1084 | return -EIO; | |
1085 | ||
9f5bc7f1 DP |
1086 | err = adapter->init_port(adapter, adapter->physical_port); |
1087 | if (err) { | |
1088 | printk(KERN_ERR "%s: Failed to initialize port %d\n", | |
1089 | netxen_nic_driver_name, adapter->portnum); | |
1090 | return err; | |
1091 | } | |
3d0a3cc9 | 1092 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) |
5d09e534 | 1093 | adapter->macaddr_set(adapter, adapter->mac_addr); |
9f5bc7f1 | 1094 | |
3d0a3cc9 DP |
1095 | adapter->set_multi(netdev); |
1096 | adapter->set_mtu(adapter, netdev->mtu); | |
9f5bc7f1 DP |
1097 | |
1098 | adapter->ahw.linkup = 0; | |
9f5bc7f1 | 1099 | |
d8b100c5 DP |
1100 | if (adapter->max_sds_rings > 1) |
1101 | netxen_config_rss(adapter, 1); | |
9f5bc7f1 | 1102 | |
ca2ef330 DP |
1103 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) |
1104 | netxen_config_intr_coalesce(adapter); | |
1105 | ||
e4baaf71 | 1106 | if (netdev->features & NETIF_F_LRO) |
1bb482f8 NK |
1107 | netxen_config_hw_lro(adapter, NETXEN_NIC_LRO_ENABLED); |
1108 | ||
b2af9cb0 DP |
1109 | netxen_napi_enable(adapter); |
1110 | ||
5103c9f7 | 1111 | if (adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION) |
3bf26ce3 | 1112 | netxen_linkevent_request(adapter, 1); |
3d0a3cc9 DP |
1113 | else |
1114 | netxen_nic_set_link_parameters(adapter); | |
1115 | ||
6a581e93 | 1116 | set_bit(__NX_DEV_UP, &adapter->state); |
9f5bc7f1 DP |
1117 | return 0; |
1118 | } | |
1119 | ||
6f771419 AKS |
1120 | /* Usage: During resume and firmware recovery module.*/ |
1121 | ||
1122 | static inline int | |
1123 | netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev) | |
1124 | { | |
1125 | int err = 0; | |
1126 | ||
1127 | rtnl_lock(); | |
1128 | if (netif_running(netdev)) | |
1129 | err = __netxen_nic_up(adapter, netdev); | |
1130 | rtnl_unlock(); | |
1131 | ||
1132 | return err; | |
1133 | } | |
1134 | ||
1135 | /* with rtnl_lock */ | |
9f5bc7f1 | 1136 | static void |
6f771419 | 1137 | __netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev) |
9f5bc7f1 | 1138 | { |
db4cfd8a DP |
1139 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) |
1140 | return; | |
1141 | ||
f2251f66 AKS |
1142 | if (!test_and_clear_bit(__NX_DEV_UP, &adapter->state)) |
1143 | return; | |
6a581e93 | 1144 | |
f2251f66 | 1145 | smp_mb(); |
b2af9cb0 | 1146 | spin_lock(&adapter->tx_clean_lock); |
9f5bc7f1 | 1147 | netif_carrier_off(netdev); |
b2af9cb0 | 1148 | netif_tx_disable(netdev); |
9f5bc7f1 | 1149 | |
d478af0d SC |
1150 | if (adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION) |
1151 | netxen_linkevent_request(adapter, 0); | |
1152 | ||
9f5bc7f1 DP |
1153 | if (adapter->stop_port) |
1154 | adapter->stop_port(adapter); | |
1155 | ||
5cf4d323 DP |
1156 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) |
1157 | netxen_p3_free_mac_list(adapter); | |
1158 | ||
22b5794b AKS |
1159 | adapter->set_promisc(adapter, NETXEN_NIU_NON_PROMISC_MODE); |
1160 | ||
be339aee DP |
1161 | netxen_napi_disable(adapter); |
1162 | ||
9f5bc7f1 | 1163 | netxen_release_tx_buffers(adapter); |
b2af9cb0 | 1164 | spin_unlock(&adapter->tx_clean_lock); |
9f5bc7f1 DP |
1165 | } |
1166 | ||
6f771419 AKS |
1167 | /* Usage: During suspend and firmware recovery module */ |
1168 | ||
1169 | static inline void | |
1170 | netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev) | |
1171 | { | |
1172 | rtnl_lock(); | |
1173 | if (netif_running(netdev)) | |
1174 | __netxen_nic_down(adapter, netdev); | |
1175 | rtnl_unlock(); | |
1176 | ||
1177 | } | |
9f5bc7f1 DP |
1178 | |
1179 | static int | |
1180 | netxen_nic_attach(struct netxen_adapter *adapter) | |
1181 | { | |
1182 | struct net_device *netdev = adapter->netdev; | |
1183 | struct pci_dev *pdev = adapter->pdev; | |
becf46a0 | 1184 | int err, ring; |
d8b100c5 | 1185 | struct nx_host_rds_ring *rds_ring; |
d877f1e3 | 1186 | struct nx_host_tx_ring *tx_ring; |
9f5bc7f1 | 1187 | |
7042cd8f AKS |
1188 | if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) |
1189 | return 0; | |
1190 | ||
9f5bc7f1 | 1191 | err = netxen_init_firmware(adapter); |
232e7d68 DP |
1192 | if (err) |
1193 | return err; | |
1194 | ||
1195 | err = netxen_napi_add(adapter, netdev); | |
1196 | if (err) | |
1197 | return err; | |
9f5bc7f1 | 1198 | |
9f5bc7f1 DP |
1199 | err = netxen_alloc_sw_resources(adapter); |
1200 | if (err) { | |
1201 | printk(KERN_ERR "%s: Error in setting sw resources\n", | |
1202 | netdev->name); | |
1203 | return err; | |
1204 | } | |
1205 | ||
9f5bc7f1 DP |
1206 | err = netxen_alloc_hw_resources(adapter); |
1207 | if (err) { | |
1208 | printk(KERN_ERR "%s: Error in setting hw resources\n", | |
1209 | netdev->name); | |
1210 | goto err_out_free_sw; | |
1211 | } | |
1212 | ||
4f96b988 | 1213 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { |
4ea528a1 | 1214 | tx_ring = adapter->tx_ring; |
195c5f98 AKS |
1215 | tx_ring->crb_cmd_producer = netxen_get_ioaddr(adapter, |
1216 | crb_cmd_producer[adapter->portnum]); | |
1217 | tx_ring->crb_cmd_consumer = netxen_get_ioaddr(adapter, | |
1218 | crb_cmd_consumer[adapter->portnum]); | |
9f5bc7f1 | 1219 | |
cb2107be DP |
1220 | tx_ring->producer = 0; |
1221 | tx_ring->sw_consumer = 0; | |
1222 | ||
1223 | netxen_nic_update_cmd_producer(adapter, tx_ring); | |
1224 | netxen_nic_update_cmd_consumer(adapter, tx_ring); | |
9f5bc7f1 DP |
1225 | } |
1226 | ||
d8b100c5 DP |
1227 | for (ring = 0; ring < adapter->max_rds_rings; ring++) { |
1228 | rds_ring = &adapter->recv_ctx.rds_rings[ring]; | |
1229 | netxen_post_rx_buffers(adapter, ring, rds_ring); | |
1230 | } | |
9f5bc7f1 DP |
1231 | |
1232 | err = netxen_nic_request_irq(adapter); | |
1233 | if (err) { | |
1234 | dev_err(&pdev->dev, "%s: failed to setup interrupt\n", | |
1235 | netdev->name); | |
1236 | goto err_out_free_rxbuf; | |
1237 | } | |
1238 | ||
ca2ef330 DP |
1239 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) |
1240 | netxen_nic_init_coalesce_defaults(adapter); | |
1241 | ||
fa3ce355 NK |
1242 | netxen_create_sysfs_entries(adapter); |
1243 | ||
9f5bc7f1 DP |
1244 | adapter->is_up = NETXEN_ADAPTER_UP_MAGIC; |
1245 | return 0; | |
1246 | ||
1247 | err_out_free_rxbuf: | |
1248 | netxen_release_rx_buffers(adapter); | |
1249 | netxen_free_hw_resources(adapter); | |
1250 | err_out_free_sw: | |
1251 | netxen_free_sw_resources(adapter); | |
1252 | return err; | |
1253 | } | |
1254 | ||
1255 | static void | |
1256 | netxen_nic_detach(struct netxen_adapter *adapter) | |
1257 | { | |
7042cd8f AKS |
1258 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) |
1259 | return; | |
1260 | ||
fa3ce355 NK |
1261 | netxen_remove_sysfs_entries(adapter); |
1262 | ||
9f5bc7f1 | 1263 | netxen_free_hw_resources(adapter); |
cf981ffb | 1264 | netxen_release_rx_buffers(adapter); |
be339aee | 1265 | netxen_nic_free_irq(adapter); |
232e7d68 | 1266 | netxen_napi_del(adapter); |
9f5bc7f1 DP |
1267 | netxen_free_sw_resources(adapter); |
1268 | ||
1269 | adapter->is_up = 0; | |
1270 | } | |
1271 | ||
7042cd8f AKS |
1272 | int |
1273 | netxen_nic_reset_context(struct netxen_adapter *adapter) | |
1274 | { | |
1275 | int err = 0; | |
1276 | struct net_device *netdev = adapter->netdev; | |
1277 | ||
6a581e93 DP |
1278 | if (test_and_set_bit(__NX_RESETTING, &adapter->state)) |
1279 | return -EBUSY; | |
1280 | ||
7042cd8f AKS |
1281 | if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) { |
1282 | ||
6a581e93 DP |
1283 | netif_device_detach(netdev); |
1284 | ||
7042cd8f | 1285 | if (netif_running(netdev)) |
6f771419 | 1286 | __netxen_nic_down(adapter, netdev); |
7042cd8f AKS |
1287 | |
1288 | netxen_nic_detach(adapter); | |
1289 | ||
6a581e93 DP |
1290 | if (netif_running(netdev)) { |
1291 | err = netxen_nic_attach(adapter); | |
1292 | if (!err) | |
6f771419 | 1293 | err = __netxen_nic_up(adapter, netdev); |
7042cd8f | 1294 | |
6a581e93 DP |
1295 | if (err) |
1296 | goto done; | |
1297 | } | |
1298 | ||
1299 | netif_device_attach(netdev); | |
7042cd8f | 1300 | } |
6a581e93 | 1301 | |
7042cd8f | 1302 | done: |
6a581e93 | 1303 | clear_bit(__NX_RESETTING, &adapter->state); |
7042cd8f AKS |
1304 | return err; |
1305 | } | |
1306 | ||
f17443f4 DP |
1307 | static int |
1308 | netxen_setup_netdev(struct netxen_adapter *adapter, | |
1309 | struct net_device *netdev) | |
1310 | { | |
1311 | int err = 0; | |
1312 | struct pci_dev *pdev = adapter->pdev; | |
1313 | ||
f17443f4 DP |
1314 | adapter->mc_enabled = 0; |
1315 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) | |
1316 | adapter->max_mc_count = 38; | |
1317 | else | |
1318 | adapter->max_mc_count = 16; | |
1319 | ||
1320 | netdev->netdev_ops = &netxen_netdev_ops; | |
7a9905e6 | 1321 | netdev->watchdog_timeo = 5*HZ; |
f17443f4 DP |
1322 | |
1323 | netxen_nic_change_mtu(netdev, netdev->mtu); | |
1324 | ||
1325 | SET_ETHTOOL_OPS(netdev, &netxen_nic_ethtool_ops); | |
1326 | ||
066413da MM |
1327 | netdev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO | |
1328 | NETIF_F_RXCSUM; | |
f17443f4 | 1329 | |
066413da MM |
1330 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) |
1331 | netdev->hw_features |= NETIF_F_IPV6_CSUM | NETIF_F_TSO6; | |
1332 | ||
1333 | netdev->vlan_features |= netdev->hw_features; | |
f17443f4 DP |
1334 | |
1335 | if (adapter->pci_using_dac) { | |
1336 | netdev->features |= NETIF_F_HIGHDMA; | |
1337 | netdev->vlan_features |= NETIF_F_HIGHDMA; | |
1338 | } | |
1339 | ||
028afe71 | 1340 | if (adapter->capabilities & NX_FW_CAPABILITY_FVLANTX) |
066413da | 1341 | netdev->hw_features |= NETIF_F_HW_VLAN_TX; |
028afe71 | 1342 | |
1bb482f8 | 1343 | if (adapter->capabilities & NX_FW_CAPABILITY_HW_LRO) |
066413da MM |
1344 | netdev->hw_features |= NETIF_F_LRO; |
1345 | ||
1346 | netdev->features |= netdev->hw_features; | |
1bb482f8 | 1347 | |
f17443f4 DP |
1348 | netdev->irq = adapter->msix_entries[0].vector; |
1349 | ||
74c520da | 1350 | INIT_WORK(&adapter->tx_timeout_task, netxen_tx_timeout_task); |
f17443f4 DP |
1351 | |
1352 | if (netxen_read_mac_addr(adapter)) | |
1353 | dev_warn(&pdev->dev, "failed to read mac addr\n"); | |
1354 | ||
1355 | netif_carrier_off(netdev); | |
f17443f4 DP |
1356 | |
1357 | err = register_netdev(netdev); | |
1358 | if (err) { | |
1359 | dev_err(&pdev->dev, "failed to register net device\n"); | |
1360 | return err; | |
1361 | } | |
1362 | ||
1363 | return 0; | |
1364 | } | |
1365 | ||
dce87b96 | 1366 | #ifdef CONFIG_PCIEAER |
1367 | static void netxen_mask_aer_correctable(struct netxen_adapter *adapter) | |
1368 | { | |
1369 | struct pci_dev *pdev = adapter->pdev; | |
1370 | struct pci_dev *root = pdev->bus->self; | |
1371 | u32 aer_pos; | |
1372 | ||
1373 | if (adapter->ahw.board_type != NETXEN_BRDTYPE_P3_4_GB_MM && | |
1374 | adapter->ahw.board_type != NETXEN_BRDTYPE_P3_10G_TP) | |
1375 | return; | |
1376 | ||
1377 | if (root->pcie_type != PCI_EXP_TYPE_ROOT_PORT) | |
1378 | return; | |
1379 | ||
1380 | aer_pos = pci_find_ext_capability(root, PCI_EXT_CAP_ID_ERR); | |
1381 | if (!aer_pos) | |
1382 | return; | |
1383 | ||
1384 | pci_write_config_dword(root, aer_pos + PCI_ERR_COR_MASK, 0xffff); | |
1385 | } | |
1386 | #endif | |
1387 | ||
3d396eb1 AK |
1388 | static int __devinit |
1389 | netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) | |
1390 | { | |
1391 | struct net_device *netdev = NULL; | |
1392 | struct netxen_adapter *adapter = NULL; | |
2956640d | 1393 | int i = 0, err; |
3176ff3e | 1394 | int pci_func_id = PCI_FUNC(pdev->devfn); |
2956640d | 1395 | uint8_t revision_id; |
5a6f95e6 | 1396 | u32 val; |
3d396eb1 | 1397 | |
688328c7 EB |
1398 | if (pdev->revision >= NX_P3_A0 && pdev->revision <= NX_P3_B1) { |
1399 | pr_warning("%s: chip revisions between 0x%x-0x%x " | |
11d89d63 | 1400 | "will not be enabled.\n", |
c25c0b9b | 1401 | module_name(THIS_MODULE), NX_P3_A0, NX_P3_B1); |
11d89d63 DP |
1402 | return -ENODEV; |
1403 | } | |
1404 | ||
3d396eb1 AK |
1405 | if ((err = pci_enable_device(pdev))) |
1406 | return err; | |
2956640d | 1407 | |
3d396eb1 AK |
1408 | if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { |
1409 | err = -ENODEV; | |
1410 | goto err_out_disable_pdev; | |
1411 | } | |
1412 | ||
1413 | if ((err = pci_request_regions(pdev, netxen_nic_driver_name))) | |
1414 | goto err_out_disable_pdev; | |
1415 | ||
e87ad553 AKS |
1416 | if (NX_IS_REVISION_P3(pdev->revision)) |
1417 | pci_enable_pcie_error_reporting(pdev); | |
1418 | ||
3d396eb1 | 1419 | pci_set_master(pdev); |
3176ff3e MT |
1420 | |
1421 | netdev = alloc_etherdev(sizeof(struct netxen_adapter)); | |
1422 | if(!netdev) { | |
f17443f4 | 1423 | err = -ENOMEM; |
3176ff3e MT |
1424 | goto err_out_free_res; |
1425 | } | |
1426 | ||
3176ff3e MT |
1427 | SET_NETDEV_DEV(netdev, &pdev->dev); |
1428 | ||
4cf1653a | 1429 | adapter = netdev_priv(netdev); |
2956640d DP |
1430 | adapter->netdev = netdev; |
1431 | adapter->pdev = pdev; | |
13ba9c77 | 1432 | adapter->ahw.pci_func = pci_func_id; |
2956640d DP |
1433 | |
1434 | revision_id = pdev->revision; | |
1435 | adapter->ahw.revision_id = revision_id; | |
1436 | ||
f03b0ebd DP |
1437 | rwlock_init(&adapter->ahw.crb_lock); |
1438 | spin_lock_init(&adapter->ahw.mem_lock); | |
1439 | ||
d8b100c5 | 1440 | spin_lock_init(&adapter->tx_clean_lock); |
5cf4d323 | 1441 | INIT_LIST_HEAD(&adapter->mac_list); |
57569d0e | 1442 | INIT_LIST_HEAD(&adapter->vlan_ip_list); |
3ce06a32 | 1443 | |
97daee83 DP |
1444 | err = netxen_setup_pci_map(adapter); |
1445 | if (err) | |
6c80b18d | 1446 | goto err_out_free_netdev; |
3d396eb1 | 1447 | |
2d1a3bbd | 1448 | /* This will be reset for mezz cards */ |
3176ff3e | 1449 | adapter->portnum = pci_func_id; |
3176ff3e | 1450 | |
f17443f4 DP |
1451 | err = netxen_nic_get_board_info(adapter); |
1452 | if (err) { | |
1453 | dev_err(&pdev->dev, "Error getting board config info.\n"); | |
dcd56fdb DP |
1454 | goto err_out_iounmap; |
1455 | } | |
6c80b18d | 1456 | |
dce87b96 | 1457 | #ifdef CONFIG_PCIEAER |
1458 | netxen_mask_aer_correctable(adapter); | |
1459 | #endif | |
1460 | ||
13ba9c77 | 1461 | /* Mezz cards have PCI function 0,2,3 enabled */ |
1e2d0059 | 1462 | switch (adapter->ahw.board_type) { |
dc515f2e DP |
1463 | case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ: |
1464 | case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ: | |
1465 | if (pci_func_id >= 2) | |
13ba9c77 | 1466 | adapter->portnum = pci_func_id - 2; |
dc515f2e DP |
1467 | break; |
1468 | default: | |
1469 | break; | |
1470 | } | |
13ba9c77 | 1471 | |
e933d019 AKS |
1472 | err = netxen_check_flash_fw_compatibility(adapter); |
1473 | if (err) | |
1474 | goto err_out_iounmap; | |
1475 | ||
5a6f95e6 RB |
1476 | if (adapter->portnum == 0) { |
1477 | val = NXRD32(adapter, NX_CRB_DEV_REF_COUNT); | |
1478 | if (val != 0xffffffff && val != 0) { | |
683b65f8 RB |
1479 | NXWR32(adapter, NX_CRB_DEV_REF_COUNT, 0); |
1480 | adapter->need_fw_reset = 1; | |
1481 | } | |
1482 | } | |
1483 | ||
6a581e93 | 1484 | err = netxen_start_firmware(adapter); |
0b72e659 | 1485 | if (err) |
8f9b3f69 | 1486 | goto err_out_decr_ref; |
f17443f4 | 1487 | |
3d396eb1 | 1488 | /* |
6c80b18d | 1489 | * See if the firmware gave us a virtual-physical port mapping. |
3d396eb1 | 1490 | */ |
dcd56fdb | 1491 | adapter->physical_port = adapter->portnum; |
4f96b988 | 1492 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { |
f98a9f69 | 1493 | i = NXRD32(adapter, CRB_V2P(adapter->portnum)); |
044fad0d DP |
1494 | if (i != 0x55555555) |
1495 | adapter->physical_port = i; | |
1496 | } | |
6c80b18d | 1497 | |
6a581e93 | 1498 | netxen_nic_clear_stats(adapter); |
2956640d | 1499 | |
97daee83 | 1500 | netxen_setup_intr(adapter); |
2956640d | 1501 | |
f17443f4 | 1502 | err = netxen_setup_netdev(adapter, netdev); |
9dc28efe | 1503 | if (err) |
2956640d | 1504 | goto err_out_disable_msi; |
6c80b18d MT |
1505 | |
1506 | pci_set_drvdata(pdev, adapter); | |
3d396eb1 | 1507 | |
6a581e93 DP |
1508 | netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY); |
1509 | ||
1e2d0059 | 1510 | switch (adapter->ahw.port_type) { |
2956640d DP |
1511 | case NETXEN_NIC_GBE: |
1512 | dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", | |
1513 | adapter->netdev->name); | |
1514 | break; | |
1515 | case NETXEN_NIC_XGBE: | |
1516 | dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", | |
1517 | adapter->netdev->name); | |
1518 | break; | |
3d396eb1 | 1519 | } |
3d396eb1 | 1520 | |
70f9cf89 DP |
1521 | netxen_create_diag_entries(adapter); |
1522 | ||
2956640d DP |
1523 | return 0; |
1524 | ||
1525 | err_out_disable_msi: | |
97daee83 | 1526 | netxen_teardown_intr(adapter); |
6c80b18d | 1527 | |
83ac51fa | 1528 | netxen_free_dummy_dma(adapter); |
3d396eb1 | 1529 | |
8f9b3f69 | 1530 | err_out_decr_ref: |
6a581e93 DP |
1531 | nx_decr_dev_ref_cnt(adapter); |
1532 | ||
2956640d | 1533 | err_out_iounmap: |
97daee83 | 1534 | netxen_cleanup_pci_map(adapter); |
cb8011ad | 1535 | |
6c80b18d MT |
1536 | err_out_free_netdev: |
1537 | free_netdev(netdev); | |
1538 | ||
1539 | err_out_free_res: | |
3d396eb1 | 1540 | pci_release_regions(pdev); |
6c80b18d MT |
1541 | |
1542 | err_out_disable_pdev: | |
2956640d | 1543 | pci_set_drvdata(pdev, NULL); |
3d396eb1 AK |
1544 | pci_disable_device(pdev); |
1545 | return err; | |
1546 | } | |
1547 | ||
83f18a55 M |
1548 | static |
1549 | void netxen_cleanup_minidump(struct netxen_adapter *adapter) | |
1550 | { | |
1551 | kfree(adapter->mdump.md_template); | |
1552 | adapter->mdump.md_template = NULL; | |
1553 | ||
1554 | if (adapter->mdump.md_capture_buff) { | |
1555 | vfree(adapter->mdump.md_capture_buff); | |
1556 | adapter->mdump.md_capture_buff = NULL; | |
1557 | } | |
1558 | } | |
1559 | ||
3d396eb1 AK |
1560 | static void __devexit netxen_nic_remove(struct pci_dev *pdev) |
1561 | { | |
1562 | struct netxen_adapter *adapter; | |
3176ff3e | 1563 | struct net_device *netdev; |
3d396eb1 | 1564 | |
6c80b18d | 1565 | adapter = pci_get_drvdata(pdev); |
3d396eb1 AK |
1566 | if (adapter == NULL) |
1567 | return; | |
1568 | ||
6c80b18d MT |
1569 | netdev = adapter->netdev; |
1570 | ||
6a581e93 DP |
1571 | netxen_cancel_fw_work(adapter); |
1572 | ||
96acb6eb DP |
1573 | unregister_netdev(netdev); |
1574 | ||
e424fa9d AKS |
1575 | cancel_work_sync(&adapter->tx_timeout_task); |
1576 | ||
57569d0e | 1577 | netxen_free_vlan_ip_list(adapter); |
7042cd8f | 1578 | netxen_nic_detach(adapter); |
3d396eb1 | 1579 | |
6a581e93 DP |
1580 | nx_decr_dev_ref_cnt(adapter); |
1581 | ||
439b454e | 1582 | if (adapter->portnum == 0) |
83ac51fa | 1583 | netxen_free_dummy_dma(adapter); |
96acb6eb | 1584 | |
6a581e93 DP |
1585 | clear_bit(__NX_RESETTING, &adapter->state); |
1586 | ||
97daee83 | 1587 | netxen_teardown_intr(adapter); |
3052246c | 1588 | |
70f9cf89 DP |
1589 | netxen_remove_diag_entries(adapter); |
1590 | ||
97daee83 | 1591 | netxen_cleanup_pci_map(adapter); |
595e3fb8 | 1592 | |
f7185c71 DP |
1593 | netxen_release_firmware(adapter); |
1594 | ||
83f18a55 M |
1595 | if (NX_IS_REVISION_P3(pdev->revision)) { |
1596 | netxen_cleanup_minidump(adapter); | |
e87ad553 | 1597 | pci_disable_pcie_error_reporting(pdev); |
83f18a55 | 1598 | } |
e87ad553 | 1599 | |
595e3fb8 | 1600 | pci_release_regions(pdev); |
3052246c | 1601 | pci_disable_device(pdev); |
595e3fb8 MT |
1602 | pci_set_drvdata(pdev, NULL); |
1603 | ||
6c80b18d | 1604 | free_netdev(netdev); |
3d396eb1 | 1605 | } |
e87ad553 AKS |
1606 | |
1607 | static void netxen_nic_detach_func(struct netxen_adapter *adapter) | |
0b72e659 | 1608 | { |
0b72e659 DP |
1609 | struct net_device *netdev = adapter->netdev; |
1610 | ||
1611 | netif_device_detach(netdev); | |
1612 | ||
6a581e93 DP |
1613 | netxen_cancel_fw_work(adapter); |
1614 | ||
0b72e659 DP |
1615 | if (netif_running(netdev)) |
1616 | netxen_nic_down(adapter, netdev); | |
1617 | ||
e424fa9d AKS |
1618 | cancel_work_sync(&adapter->tx_timeout_task); |
1619 | ||
7042cd8f | 1620 | netxen_nic_detach(adapter); |
0b72e659 | 1621 | |
22b5794b AKS |
1622 | if (adapter->portnum == 0) |
1623 | netxen_free_dummy_dma(adapter); | |
1624 | ||
6a581e93 DP |
1625 | nx_decr_dev_ref_cnt(adapter); |
1626 | ||
1627 | clear_bit(__NX_RESETTING, &adapter->state); | |
22b5794b | 1628 | } |
0b72e659 | 1629 | |
e87ad553 | 1630 | static int netxen_nic_attach_func(struct pci_dev *pdev) |
0b72e659 DP |
1631 | { |
1632 | struct netxen_adapter *adapter = pci_get_drvdata(pdev); | |
1633 | struct net_device *netdev = adapter->netdev; | |
1634 | int err; | |
1635 | ||
0b72e659 DP |
1636 | err = pci_enable_device(pdev); |
1637 | if (err) | |
1638 | return err; | |
1639 | ||
bc86fcba AKS |
1640 | pci_set_power_state(pdev, PCI_D0); |
1641 | pci_set_master(pdev); | |
1642 | pci_restore_state(pdev); | |
1643 | ||
907fa120 | 1644 | adapter->ahw.crb_win = -1; |
47abe356 | 1645 | adapter->ahw.ocm_win = -1; |
0b72e659 | 1646 | |
6a581e93 | 1647 | err = netxen_start_firmware(adapter); |
0b72e659 DP |
1648 | if (err) { |
1649 | dev_err(&pdev->dev, "failed to start firmware\n"); | |
1650 | return err; | |
1651 | } | |
1652 | ||
1653 | if (netif_running(netdev)) { | |
1654 | err = netxen_nic_attach(adapter); | |
1655 | if (err) | |
6a581e93 | 1656 | goto err_out; |
0b72e659 DP |
1657 | |
1658 | err = netxen_nic_up(adapter, netdev); | |
1659 | if (err) | |
6a581e93 | 1660 | goto err_out_detach; |
0b72e659 | 1661 | |
57569d0e | 1662 | netxen_restore_indev_addr(netdev, NETDEV_UP); |
0b72e659 DP |
1663 | } |
1664 | ||
bc86fcba | 1665 | netif_device_attach(netdev); |
6a581e93 | 1666 | netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY); |
07653aa3 | 1667 | return 0; |
6a581e93 DP |
1668 | |
1669 | err_out_detach: | |
1670 | netxen_nic_detach(adapter); | |
1671 | err_out: | |
1672 | nx_decr_dev_ref_cnt(adapter); | |
1673 | return err; | |
0b72e659 | 1674 | } |
e87ad553 AKS |
1675 | |
1676 | static pci_ers_result_t netxen_io_error_detected(struct pci_dev *pdev, | |
1677 | pci_channel_state_t state) | |
1678 | { | |
1679 | struct netxen_adapter *adapter = pci_get_drvdata(pdev); | |
1680 | ||
1681 | if (state == pci_channel_io_perm_failure) | |
1682 | return PCI_ERS_RESULT_DISCONNECT; | |
1683 | ||
1684 | if (nx_dev_request_aer(adapter)) | |
1685 | return PCI_ERS_RESULT_RECOVERED; | |
1686 | ||
1687 | netxen_nic_detach_func(adapter); | |
1688 | ||
1689 | pci_disable_device(pdev); | |
1690 | ||
1691 | return PCI_ERS_RESULT_NEED_RESET; | |
1692 | } | |
1693 | ||
1694 | static pci_ers_result_t netxen_io_slot_reset(struct pci_dev *pdev) | |
1695 | { | |
1696 | int err = 0; | |
1697 | ||
1698 | err = netxen_nic_attach_func(pdev); | |
1699 | ||
1700 | return err ? PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_RECOVERED; | |
1701 | } | |
1702 | ||
1703 | static void netxen_io_resume(struct pci_dev *pdev) | |
1704 | { | |
1705 | pci_cleanup_aer_uncorrect_error_status(pdev); | |
1706 | } | |
1707 | ||
1708 | static void netxen_nic_shutdown(struct pci_dev *pdev) | |
1709 | { | |
1710 | struct netxen_adapter *adapter = pci_get_drvdata(pdev); | |
1711 | ||
1712 | netxen_nic_detach_func(adapter); | |
1713 | ||
1714 | if (pci_save_state(pdev)) | |
1715 | return; | |
1716 | ||
1717 | if (netxen_nic_wol_supported(adapter)) { | |
1718 | pci_enable_wake(pdev, PCI_D3cold, 1); | |
1719 | pci_enable_wake(pdev, PCI_D3hot, 1); | |
1720 | } | |
1721 | ||
1722 | pci_disable_device(pdev); | |
1723 | } | |
1724 | ||
1725 | #ifdef CONFIG_PM | |
1726 | static int | |
1727 | netxen_nic_suspend(struct pci_dev *pdev, pm_message_t state) | |
1728 | { | |
1729 | struct netxen_adapter *adapter = pci_get_drvdata(pdev); | |
1730 | int retval; | |
1731 | ||
1732 | netxen_nic_detach_func(adapter); | |
1733 | ||
1734 | retval = pci_save_state(pdev); | |
1735 | if (retval) | |
1736 | return retval; | |
1737 | ||
1738 | if (netxen_nic_wol_supported(adapter)) { | |
1739 | pci_enable_wake(pdev, PCI_D3cold, 1); | |
1740 | pci_enable_wake(pdev, PCI_D3hot, 1); | |
1741 | } | |
1742 | ||
1743 | pci_disable_device(pdev); | |
1744 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); | |
1745 | ||
1746 | return 0; | |
1747 | } | |
1748 | ||
1749 | static int | |
1750 | netxen_nic_resume(struct pci_dev *pdev) | |
1751 | { | |
1752 | return netxen_nic_attach_func(pdev); | |
1753 | } | |
01542cd1 | 1754 | #endif |
0b72e659 | 1755 | |
3d396eb1 AK |
1756 | static int netxen_nic_open(struct net_device *netdev) |
1757 | { | |
4cf1653a | 1758 | struct netxen_adapter *adapter = netdev_priv(netdev); |
3d396eb1 | 1759 | int err = 0; |
3d396eb1 | 1760 | |
dcd56fdb DP |
1761 | if (adapter->driver_mismatch) |
1762 | return -EIO; | |
1763 | ||
7042cd8f AKS |
1764 | err = netxen_nic_attach(adapter); |
1765 | if (err) | |
1766 | return err; | |
2956640d | 1767 | |
6f771419 | 1768 | err = __netxen_nic_up(adapter, netdev); |
9f5bc7f1 DP |
1769 | if (err) |
1770 | goto err_out; | |
05aaa02d | 1771 | |
dcd56fdb | 1772 | netif_start_queue(netdev); |
3d396eb1 AK |
1773 | |
1774 | return 0; | |
2956640d | 1775 | |
9f5bc7f1 DP |
1776 | err_out: |
1777 | netxen_nic_detach(adapter); | |
2956640d | 1778 | return err; |
3d396eb1 AK |
1779 | } |
1780 | ||
1781 | /* | |
1782 | * netxen_nic_close - Disables a network interface entry point | |
1783 | */ | |
1784 | static int netxen_nic_close(struct net_device *netdev) | |
1785 | { | |
3176ff3e | 1786 | struct netxen_adapter *adapter = netdev_priv(netdev); |
3d396eb1 | 1787 | |
6f771419 | 1788 | __netxen_nic_down(adapter, netdev); |
3d396eb1 AK |
1789 | return 0; |
1790 | } | |
1791 | ||
1bcfd790 DP |
1792 | static void |
1793 | netxen_tso_check(struct net_device *netdev, | |
1794 | struct nx_host_tx_ring *tx_ring, | |
1795 | struct cmd_desc_type0 *first_desc, | |
1796 | struct sk_buff *skb) | |
cd1f8160 | 1797 | { |
391587c3 | 1798 | u8 opcode = TX_ETHER_PKT; |
cdff1036 | 1799 | __be16 protocol = skb->protocol; |
028afe71 | 1800 | u16 flags = 0, vid = 0; |
1bcfd790 | 1801 | u32 producer; |
028afe71 | 1802 | int copied, offset, copy_len, hdr_len = 0, tso = 0, vlan_oob = 0; |
1bcfd790 | 1803 | struct cmd_desc_type0 *hwdesc; |
028afe71 | 1804 | struct vlan_ethhdr *vh; |
cdff1036 | 1805 | |
09640e63 | 1806 | if (protocol == cpu_to_be16(ETH_P_8021Q)) { |
028afe71 DP |
1807 | |
1808 | vh = (struct vlan_ethhdr *)skb->data; | |
cdff1036 DP |
1809 | protocol = vh->h_vlan_encapsulated_proto; |
1810 | flags = FLAGS_VLAN_TAGGED; | |
028afe71 DP |
1811 | |
1812 | } else if (vlan_tx_tag_present(skb)) { | |
1813 | ||
1814 | flags = FLAGS_VLAN_OOB; | |
1815 | vid = vlan_tx_tag_get(skb); | |
1816 | netxen_set_tx_vlan_tci(first_desc, vid); | |
1817 | vlan_oob = 1; | |
cdff1036 | 1818 | } |
cd1f8160 | 1819 | |
391587c3 DP |
1820 | if ((netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) && |
1821 | skb_shinfo(skb)->gso_size > 0) { | |
1822 | ||
1bcfd790 DP |
1823 | hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); |
1824 | ||
1825 | first_desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size); | |
1826 | first_desc->total_hdr_length = hdr_len; | |
028afe71 DP |
1827 | if (vlan_oob) { |
1828 | first_desc->total_hdr_length += VLAN_HLEN; | |
1829 | first_desc->tcp_hdr_offset = VLAN_HLEN; | |
1830 | first_desc->ip_hdr_offset = VLAN_HLEN; | |
1831 | /* Only in case of TSO on vlan device */ | |
1832 | flags |= FLAGS_VLAN_TAGGED; | |
1833 | } | |
391587c3 | 1834 | |
09640e63 | 1835 | opcode = (protocol == cpu_to_be16(ETH_P_IPV6)) ? |
391587c3 | 1836 | TX_TCP_LSO6 : TX_TCP_LSO; |
1bcfd790 | 1837 | tso = 1; |
cd1f8160 DP |
1838 | |
1839 | } else if (skb->ip_summed == CHECKSUM_PARTIAL) { | |
391587c3 DP |
1840 | u8 l4proto; |
1841 | ||
09640e63 | 1842 | if (protocol == cpu_to_be16(ETH_P_IP)) { |
391587c3 DP |
1843 | l4proto = ip_hdr(skb)->protocol; |
1844 | ||
1845 | if (l4proto == IPPROTO_TCP) | |
1846 | opcode = TX_TCP_PKT; | |
1847 | else if(l4proto == IPPROTO_UDP) | |
1848 | opcode = TX_UDP_PKT; | |
09640e63 | 1849 | } else if (protocol == cpu_to_be16(ETH_P_IPV6)) { |
391587c3 DP |
1850 | l4proto = ipv6_hdr(skb)->nexthdr; |
1851 | ||
1852 | if (l4proto == IPPROTO_TCP) | |
1853 | opcode = TX_TCPV6_PKT; | |
1854 | else if(l4proto == IPPROTO_UDP) | |
1855 | opcode = TX_UDPV6_PKT; | |
1856 | } | |
cd1f8160 | 1857 | } |
028afe71 DP |
1858 | |
1859 | first_desc->tcp_hdr_offset += skb_transport_offset(skb); | |
1860 | first_desc->ip_hdr_offset += skb_network_offset(skb); | |
1bcfd790 DP |
1861 | netxen_set_tx_flags_opcode(first_desc, flags, opcode); |
1862 | ||
1863 | if (!tso) | |
1864 | return; | |
1865 | ||
1866 | /* For LSO, we need to copy the MAC/IP/TCP headers into | |
1867 | * the descriptor ring | |
1868 | */ | |
1869 | producer = tx_ring->producer; | |
1870 | copied = 0; | |
1871 | offset = 2; | |
1872 | ||
028afe71 DP |
1873 | if (vlan_oob) { |
1874 | /* Create a TSO vlan header template for firmware */ | |
1875 | ||
1876 | hwdesc = &tx_ring->desc_head[producer]; | |
1877 | tx_ring->cmd_buf_arr[producer].skb = NULL; | |
1878 | ||
1879 | copy_len = min((int)sizeof(struct cmd_desc_type0) - offset, | |
1880 | hdr_len + VLAN_HLEN); | |
1881 | ||
1882 | vh = (struct vlan_ethhdr *)((char *)hwdesc + 2); | |
1883 | skb_copy_from_linear_data(skb, vh, 12); | |
1884 | vh->h_vlan_proto = htons(ETH_P_8021Q); | |
1885 | vh->h_vlan_TCI = htons(vid); | |
1886 | skb_copy_from_linear_data_offset(skb, 12, | |
1887 | (char *)vh + 16, copy_len - 16); | |
1888 | ||
545eb370 | 1889 | copied = copy_len - VLAN_HLEN; |
028afe71 DP |
1890 | offset = 0; |
1891 | ||
1892 | producer = get_next_index(producer, tx_ring->num_desc); | |
1893 | } | |
1894 | ||
1bcfd790 DP |
1895 | while (copied < hdr_len) { |
1896 | ||
1897 | copy_len = min((int)sizeof(struct cmd_desc_type0) - offset, | |
1898 | (hdr_len - copied)); | |
1899 | ||
1900 | hwdesc = &tx_ring->desc_head[producer]; | |
1901 | tx_ring->cmd_buf_arr[producer].skb = NULL; | |
1902 | ||
1903 | skb_copy_from_linear_data_offset(skb, copied, | |
1904 | (char *)hwdesc + offset, copy_len); | |
1905 | ||
1906 | copied += copy_len; | |
1907 | offset = 0; | |
1908 | ||
1909 | producer = get_next_index(producer, tx_ring->num_desc); | |
1910 | } | |
1911 | ||
1912 | tx_ring->producer = producer; | |
1913 | barrier(); | |
cd1f8160 DP |
1914 | } |
1915 | ||
ce644ed4 DP |
1916 | static int |
1917 | netxen_map_tx_skb(struct pci_dev *pdev, | |
1918 | struct sk_buff *skb, struct netxen_cmd_buffer *pbuf) | |
6f703406 | 1919 | { |
ce644ed4 DP |
1920 | struct netxen_skb_frag *nf; |
1921 | struct skb_frag_struct *frag; | |
1922 | int i, nr_frags; | |
1923 | dma_addr_t map; | |
1924 | ||
1925 | nr_frags = skb_shinfo(skb)->nr_frags; | |
1926 | nf = &pbuf->frag_array[0]; | |
1927 | ||
1928 | map = pci_map_single(pdev, skb->data, | |
1929 | skb_headlen(skb), PCI_DMA_TODEVICE); | |
1930 | if (pci_dma_mapping_error(pdev, map)) | |
1931 | goto out_err; | |
6f703406 | 1932 | |
ce644ed4 DP |
1933 | nf->dma = map; |
1934 | nf->length = skb_headlen(skb); | |
1935 | ||
1936 | for (i = 0; i < nr_frags; i++) { | |
1937 | frag = &skb_shinfo(skb)->frags[i]; | |
1938 | nf = &pbuf->frag_array[i+1]; | |
1939 | ||
9e903e08 | 1940 | map = skb_frag_dma_map(&pdev->dev, frag, 0, skb_frag_size(frag), |
5d6bcdfe IC |
1941 | DMA_TO_DEVICE); |
1942 | if (dma_mapping_error(&pdev->dev, map)) | |
ce644ed4 DP |
1943 | goto unwind; |
1944 | ||
1945 | nf->dma = map; | |
9e903e08 | 1946 | nf->length = skb_frag_size(frag); |
ce644ed4 DP |
1947 | } |
1948 | ||
1949 | return 0; | |
6f703406 | 1950 | |
ce644ed4 | 1951 | unwind: |
cf503e8f DP |
1952 | while (--i >= 0) { |
1953 | nf = &pbuf->frag_array[i+1]; | |
ce644ed4 | 1954 | pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE); |
6f703406 | 1955 | } |
ce644ed4 DP |
1956 | |
1957 | nf = &pbuf->frag_array[0]; | |
1958 | pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE); | |
1959 | ||
1960 | out_err: | |
1961 | return -ENOMEM; | |
6f703406 DP |
1962 | } |
1963 | ||
d32cc3d2 DP |
1964 | static inline void |
1965 | netxen_clear_cmddesc(u64 *desc) | |
1966 | { | |
1bcfd790 DP |
1967 | desc[0] = 0ULL; |
1968 | desc[2] = 0ULL; | |
d32cc3d2 DP |
1969 | } |
1970 | ||
61357325 | 1971 | static netdev_tx_t |
d32cc3d2 | 1972 | netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) |
3d396eb1 | 1973 | { |
3176ff3e | 1974 | struct netxen_adapter *adapter = netdev_priv(netdev); |
4ea528a1 | 1975 | struct nx_host_tx_ring *tx_ring = adapter->tx_ring; |
391587c3 | 1976 | struct netxen_cmd_buffer *pbuf; |
3d396eb1 | 1977 | struct netxen_skb_frag *buffrag; |
1bcfd790 DP |
1978 | struct cmd_desc_type0 *hwdesc, *first_desc; |
1979 | struct pci_dev *pdev; | |
391587c3 | 1980 | int i, k; |
c968bdf6 | 1981 | int delta = 0; |
1982 | struct skb_frag_struct *frag; | |
3d396eb1 | 1983 | |
cb2107be | 1984 | u32 producer; |
ce644ed4 | 1985 | int frag_count, no_of_desc; |
d877f1e3 | 1986 | u32 num_txd = tx_ring->num_desc; |
3d396eb1 | 1987 | |
3d396eb1 AK |
1988 | frag_count = skb_shinfo(skb)->nr_frags + 1; |
1989 | ||
c968bdf6 | 1990 | /* 14 frags supported for normal packet and |
1991 | * 32 frags supported for TSO packet | |
1992 | */ | |
1993 | if (!skb_is_gso(skb) && frag_count > NETXEN_MAX_FRAGS_PER_TX) { | |
1994 | ||
1995 | for (i = 0; i < (frag_count - NETXEN_MAX_FRAGS_PER_TX); i++) { | |
1996 | frag = &skb_shinfo(skb)->frags[i]; | |
9e903e08 | 1997 | delta += skb_frag_size(frag); |
c968bdf6 | 1998 | } |
1999 | ||
2000 | if (!__pskb_pull_tail(skb, delta)) | |
2001 | goto drop_packet; | |
2002 | ||
2003 | frag_count = 1 + skb_shinfo(skb)->nr_frags; | |
2004 | } | |
d877f1e3 | 2005 | /* 4 fragments per cmd des */ |
3d396eb1 | 2006 | no_of_desc = (frag_count + 3) >> 2; |
53a01e00 | 2007 | |
7a9905e6 | 2008 | if (unlikely(netxen_tx_avail(tx_ring) <= TX_STOP_THRESH)) { |
ba53e6b4 | 2009 | netif_stop_queue(netdev); |
7a9905e6 RB |
2010 | smp_mb(); |
2011 | if (netxen_tx_avail(tx_ring) > TX_STOP_THRESH) | |
2012 | netif_start_queue(netdev); | |
2013 | else | |
2014 | return NETDEV_TX_BUSY; | |
53a01e00 | 2015 | } |
3d396eb1 | 2016 | |
cb2107be | 2017 | producer = tx_ring->producer; |
ce644ed4 | 2018 | pbuf = &tx_ring->cmd_buf_arr[producer]; |
cb2107be | 2019 | |
1bcfd790 | 2020 | pdev = adapter->pdev; |
391587c3 | 2021 | |
ce644ed4 | 2022 | if (netxen_map_tx_skb(pdev, skb, pbuf)) |
1bcfd790 | 2023 | goto drop_packet; |
391587c3 | 2024 | |
3d396eb1 | 2025 | pbuf->skb = skb; |
3d396eb1 | 2026 | pbuf->frag_count = frag_count; |
6f703406 | 2027 | |
1bcfd790 DP |
2028 | first_desc = hwdesc = &tx_ring->desc_head[producer]; |
2029 | netxen_clear_cmddesc((u64 *)hwdesc); | |
3d396eb1 | 2030 | |
ce644ed4 DP |
2031 | netxen_set_tx_frags_len(first_desc, frag_count, skb->len); |
2032 | netxen_set_tx_port(first_desc, adapter->portnum); | |
3d396eb1 | 2033 | |
ce644ed4 | 2034 | for (i = 0; i < frag_count; i++) { |
3d396eb1 | 2035 | |
ce644ed4 DP |
2036 | k = i % 4; |
2037 | ||
2038 | if ((k == 0) && (i > 0)) { | |
2039 | /* move to next desc.*/ | |
ba53e6b4 | 2040 | producer = get_next_index(producer, num_txd); |
d877f1e3 | 2041 | hwdesc = &tx_ring->desc_head[producer]; |
d32cc3d2 | 2042 | netxen_clear_cmddesc((u64 *)hwdesc); |
ce644ed4 | 2043 | tx_ring->cmd_buf_arr[producer].skb = NULL; |
6f703406 | 2044 | } |
3d396eb1 | 2045 | |
ce644ed4 | 2046 | buffrag = &pbuf->frag_array[i]; |
3d396eb1 | 2047 | |
ce644ed4 | 2048 | hwdesc->buffer_length[k] = cpu_to_le16(buffrag->length); |
3d396eb1 AK |
2049 | switch (k) { |
2050 | case 0: | |
ce644ed4 | 2051 | hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma); |
3d396eb1 AK |
2052 | break; |
2053 | case 1: | |
ce644ed4 | 2054 | hwdesc->addr_buffer2 = cpu_to_le64(buffrag->dma); |
3d396eb1 AK |
2055 | break; |
2056 | case 2: | |
ce644ed4 | 2057 | hwdesc->addr_buffer3 = cpu_to_le64(buffrag->dma); |
3d396eb1 AK |
2058 | break; |
2059 | case 3: | |
ce644ed4 | 2060 | hwdesc->addr_buffer4 = cpu_to_le64(buffrag->dma); |
3d396eb1 AK |
2061 | break; |
2062 | } | |
3d396eb1 | 2063 | } |
ce644ed4 | 2064 | |
1bcfd790 | 2065 | tx_ring->producer = get_next_index(producer, num_txd); |
3d396eb1 | 2066 | |
1bcfd790 | 2067 | netxen_tso_check(netdev, tx_ring, first_desc, skb); |
6c80b18d | 2068 | |
1bcfd790 | 2069 | adapter->stats.txbytes += skb->len; |
ba53e6b4 | 2070 | adapter->stats.xmitcalled++; |
3d396eb1 | 2071 | |
c82b9d7f ED |
2072 | netxen_nic_update_cmd_producer(adapter, tx_ring); |
2073 | ||
3d396eb1 | 2074 | return NETDEV_TX_OK; |
6f703406 DP |
2075 | |
2076 | drop_packet: | |
2077 | adapter->stats.txdropped++; | |
2078 | dev_kfree_skb_any(skb); | |
2079 | return NETDEV_TX_OK; | |
3d396eb1 AK |
2080 | } |
2081 | ||
a97342f9 DP |
2082 | static int netxen_nic_check_temp(struct netxen_adapter *adapter) |
2083 | { | |
2084 | struct net_device *netdev = adapter->netdev; | |
2085 | uint32_t temp, temp_state, temp_val; | |
2086 | int rv = 0; | |
2087 | ||
f98a9f69 | 2088 | temp = NXRD32(adapter, CRB_TEMP_STATE); |
a97342f9 DP |
2089 | |
2090 | temp_state = nx_get_temp_state(temp); | |
2091 | temp_val = nx_get_temp_val(temp); | |
2092 | ||
2093 | if (temp_state == NX_TEMP_PANIC) { | |
2094 | printk(KERN_ALERT | |
2095 | "%s: Device temperature %d degrees C exceeds" | |
2096 | " maximum allowed. Hardware has been shut down.\n", | |
e4135c2d | 2097 | netdev->name, temp_val); |
a97342f9 DP |
2098 | rv = 1; |
2099 | } else if (temp_state == NX_TEMP_WARN) { | |
2100 | if (adapter->temp == NX_TEMP_NORMAL) { | |
2101 | printk(KERN_ALERT | |
2102 | "%s: Device temperature %d degrees C " | |
2103 | "exceeds operating range." | |
2104 | " Immediate action needed.\n", | |
e4135c2d | 2105 | netdev->name, temp_val); |
a97342f9 DP |
2106 | } |
2107 | } else { | |
2108 | if (adapter->temp == NX_TEMP_WARN) { | |
2109 | printk(KERN_INFO | |
2110 | "%s: Device temperature is now %d degrees C" | |
e4135c2d | 2111 | " in normal range.\n", netdev->name, |
a97342f9 DP |
2112 | temp_val); |
2113 | } | |
2114 | } | |
2115 | adapter->temp = temp_state; | |
2116 | return rv; | |
2117 | } | |
2118 | ||
3bf26ce3 | 2119 | void netxen_advert_link_change(struct netxen_adapter *adapter, int linkup) |
a97342f9 DP |
2120 | { |
2121 | struct net_device *netdev = adapter->netdev; | |
a97342f9 DP |
2122 | |
2123 | if (adapter->ahw.linkup && !linkup) { | |
2124 | printk(KERN_INFO "%s: %s NIC Link is down\n", | |
2125 | netxen_nic_driver_name, netdev->name); | |
2126 | adapter->ahw.linkup = 0; | |
2127 | if (netif_running(netdev)) { | |
2128 | netif_carrier_off(netdev); | |
2129 | netif_stop_queue(netdev); | |
2130 | } | |
e424fa9d | 2131 | adapter->link_changed = !adapter->has_link_events; |
a97342f9 DP |
2132 | } else if (!adapter->ahw.linkup && linkup) { |
2133 | printk(KERN_INFO "%s: %s NIC Link is up\n", | |
2134 | netxen_nic_driver_name, netdev->name); | |
2135 | adapter->ahw.linkup = 1; | |
2136 | if (netif_running(netdev)) { | |
2137 | netif_carrier_on(netdev); | |
2138 | netif_wake_queue(netdev); | |
2139 | } | |
e424fa9d | 2140 | adapter->link_changed = !adapter->has_link_events; |
a97342f9 DP |
2141 | } |
2142 | } | |
2143 | ||
3bf26ce3 DP |
2144 | static void netxen_nic_handle_phy_intr(struct netxen_adapter *adapter) |
2145 | { | |
2146 | u32 val, port, linkup; | |
2147 | ||
2148 | port = adapter->physical_port; | |
2149 | ||
2150 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { | |
f98a9f69 | 2151 | val = NXRD32(adapter, CRB_XG_STATE_P3); |
3bf26ce3 DP |
2152 | val = XG_LINK_STATE_P3(adapter->ahw.pci_func, val); |
2153 | linkup = (val == XG_LINK_UP_P3); | |
2154 | } else { | |
f98a9f69 | 2155 | val = NXRD32(adapter, CRB_XG_STATE); |
a4b751d8 SC |
2156 | val = (val >> port*8) & 0xff; |
2157 | linkup = (val == XG_LINK_UP); | |
3bf26ce3 DP |
2158 | } |
2159 | ||
2160 | netxen_advert_link_change(adapter, linkup); | |
2161 | } | |
2162 | ||
3d396eb1 AK |
2163 | static void netxen_tx_timeout(struct net_device *netdev) |
2164 | { | |
e424fa9d | 2165 | struct netxen_adapter *adapter = netdev_priv(netdev); |
f17443f4 | 2166 | |
6a581e93 DP |
2167 | if (test_bit(__NX_RESETTING, &adapter->state)) |
2168 | return; | |
2169 | ||
f17443f4 | 2170 | dev_err(&netdev->dev, "transmit timeout, resetting.\n"); |
e424fa9d | 2171 | schedule_work(&adapter->tx_timeout_task); |
3d396eb1 AK |
2172 | } |
2173 | ||
74c520da | 2174 | static void netxen_tx_timeout_task(struct work_struct *work) |
3d396eb1 | 2175 | { |
4790654c | 2176 | struct netxen_adapter *adapter = |
3176ff3e | 2177 | container_of(work, struct netxen_adapter, tx_timeout_task); |
3d396eb1 | 2178 | |
b2af9cb0 DP |
2179 | if (!netif_running(adapter->netdev)) |
2180 | return; | |
2181 | ||
74c520da | 2182 | if (test_and_set_bit(__NX_RESETTING, &adapter->state)) |
6a581e93 DP |
2183 | return; |
2184 | ||
74c520da AKS |
2185 | if (++adapter->tx_timeo_cnt >= NX_MAX_TX_TIMEOUTS) |
2186 | goto request_reset; | |
2187 | ||
16d884bd | 2188 | rtnl_lock(); |
74c520da AKS |
2189 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { |
2190 | /* try to scrub interrupt */ | |
2191 | netxen_napi_disable(adapter); | |
ba53e6b4 | 2192 | |
74c520da AKS |
2193 | netxen_napi_enable(adapter); |
2194 | ||
2195 | netif_wake_queue(adapter->netdev); | |
2196 | ||
a598ae17 | 2197 | clear_bit(__NX_RESETTING, &adapter->state); |
74c520da | 2198 | } else { |
a598ae17 | 2199 | clear_bit(__NX_RESETTING, &adapter->state); |
16d884bd AKS |
2200 | if (netxen_nic_reset_context(adapter)) { |
2201 | rtnl_unlock(); | |
2202 | goto request_reset; | |
74c520da | 2203 | } |
74c520da | 2204 | } |
16d884bd AKS |
2205 | adapter->netdev->trans_start = jiffies; |
2206 | rtnl_unlock(); | |
2207 | return; | |
74c520da AKS |
2208 | |
2209 | request_reset: | |
2210 | adapter->need_fw_reset = 1; | |
ff8a306d | 2211 | clear_bit(__NX_RESETTING, &adapter->state); |
3d396eb1 AK |
2212 | } |
2213 | ||
47fd428c | 2214 | static struct rtnl_link_stats64 *netxen_nic_get_stats(struct net_device *netdev, |
2215 | struct rtnl_link_stats64 *stats) | |
a97342f9 DP |
2216 | { |
2217 | struct netxen_adapter *adapter = netdev_priv(netdev); | |
a97342f9 | 2218 | |
1bb482f8 | 2219 | stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; |
e98e3350 | 2220 | stats->tx_packets = adapter->stats.xmitfinished; |
a97342f9 | 2221 | stats->rx_bytes = adapter->stats.rxbytes; |
a97342f9 | 2222 | stats->tx_bytes = adapter->stats.txbytes; |
a97342f9 | 2223 | stats->rx_dropped = adapter->stats.rxdropped; |
a97342f9 DP |
2224 | stats->tx_dropped = adapter->stats.txdropped; |
2225 | ||
2226 | return stats; | |
2227 | } | |
2228 | ||
e4c93c81 | 2229 | static irqreturn_t netxen_intr(int irq, void *data) |
3d396eb1 | 2230 | { |
d8b100c5 DP |
2231 | struct nx_host_sds_ring *sds_ring = data; |
2232 | struct netxen_adapter *adapter = sds_ring->adapter; | |
d71e1be8 DP |
2233 | u32 status = 0; |
2234 | ||
195c5f98 | 2235 | status = readl(adapter->isr_int_vec); |
d71e1be8 | 2236 | |
195c5f98 | 2237 | if (!(status & adapter->int_vec_bit)) |
05aaa02d | 2238 | return IRQ_NONE; |
e01872af | 2239 | |
195c5f98 | 2240 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { |
d71e1be8 | 2241 | /* check interrupt state machine, to be sure */ |
195c5f98 | 2242 | status = readl(adapter->crb_int_state_reg); |
d71e1be8 DP |
2243 | if (!ISR_LEGACY_INT_TRIGGERED(status)) |
2244 | return IRQ_NONE; | |
2245 | ||
092bc571 DP |
2246 | } else { |
2247 | unsigned long our_int = 0; | |
d71e1be8 | 2248 | |
195c5f98 | 2249 | our_int = readl(adapter->crb_int_state_reg); |
092bc571 | 2250 | |
d71e1be8 | 2251 | /* not our interrupt */ |
092bc571 | 2252 | if (!test_and_clear_bit((7 + adapter->portnum), &our_int)) |
d71e1be8 DP |
2253 | return IRQ_NONE; |
2254 | ||
092bc571 | 2255 | /* claim interrupt */ |
195c5f98 | 2256 | writel((our_int & 0xffffffff), adapter->crb_int_state_reg); |
e01872af | 2257 | |
195c5f98 | 2258 | /* clear interrupt */ |
d8b100c5 | 2259 | netxen_nic_disable_int(sds_ring); |
195c5f98 | 2260 | } |
092bc571 | 2261 | |
195c5f98 | 2262 | writel(0xffffffff, adapter->tgt_status_reg); |
092bc571 | 2263 | /* read twice to ensure write is flushed */ |
195c5f98 AKS |
2264 | readl(adapter->isr_int_vec); |
2265 | readl(adapter->isr_int_vec); | |
092bc571 | 2266 | |
d8b100c5 | 2267 | napi_schedule(&sds_ring->napi); |
3d396eb1 AK |
2268 | |
2269 | return IRQ_HANDLED; | |
2270 | } | |
2271 | ||
e4c93c81 | 2272 | static irqreturn_t netxen_msi_intr(int irq, void *data) |
05aaa02d | 2273 | { |
d8b100c5 DP |
2274 | struct nx_host_sds_ring *sds_ring = data; |
2275 | struct netxen_adapter *adapter = sds_ring->adapter; | |
05aaa02d | 2276 | |
092bc571 | 2277 | /* clear interrupt */ |
195c5f98 | 2278 | writel(0xffffffff, adapter->tgt_status_reg); |
092bc571 | 2279 | |
d8b100c5 | 2280 | napi_schedule(&sds_ring->napi); |
05aaa02d DP |
2281 | return IRQ_HANDLED; |
2282 | } | |
2283 | ||
b3df68f8 DP |
2284 | static irqreturn_t netxen_msix_intr(int irq, void *data) |
2285 | { | |
d8b100c5 | 2286 | struct nx_host_sds_ring *sds_ring = data; |
b3df68f8 | 2287 | |
d8b100c5 | 2288 | napi_schedule(&sds_ring->napi); |
b3df68f8 DP |
2289 | return IRQ_HANDLED; |
2290 | } | |
2291 | ||
bea3348e | 2292 | static int netxen_nic_poll(struct napi_struct *napi, int budget) |
3d396eb1 | 2293 | { |
d8b100c5 DP |
2294 | struct nx_host_sds_ring *sds_ring = |
2295 | container_of(napi, struct nx_host_sds_ring, napi); | |
2296 | ||
2297 | struct netxen_adapter *adapter = sds_ring->adapter; | |
2298 | ||
05aaa02d | 2299 | int tx_complete; |
bea3348e | 2300 | int work_done; |
3d396eb1 | 2301 | |
05aaa02d | 2302 | tx_complete = netxen_process_cmd_ring(adapter); |
3d396eb1 | 2303 | |
d8b100c5 | 2304 | work_done = netxen_process_rcv_ring(sds_ring, budget); |
3d396eb1 | 2305 | |
05aaa02d | 2306 | if ((work_done < budget) && tx_complete) { |
d8b100c5 | 2307 | napi_complete(&sds_ring->napi); |
f2251f66 | 2308 | if (test_bit(__NX_DEV_UP, &adapter->state)) |
b2af9cb0 | 2309 | netxen_nic_enable_int(sds_ring); |
3d396eb1 AK |
2310 | } |
2311 | ||
bea3348e | 2312 | return work_done; |
3d396eb1 AK |
2313 | } |
2314 | ||
2315 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
2316 | static void netxen_nic_poll_controller(struct net_device *netdev) | |
2317 | { | |
7b589a35 YL |
2318 | int ring; |
2319 | struct nx_host_sds_ring *sds_ring; | |
3176ff3e | 2320 | struct netxen_adapter *adapter = netdev_priv(netdev); |
7b589a35 YL |
2321 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; |
2322 | ||
3d396eb1 | 2323 | disable_irq(adapter->irq); |
7b589a35 YL |
2324 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
2325 | sds_ring = &recv_ctx->sds_rings[ring]; | |
2326 | netxen_intr(adapter->irq, sds_ring); | |
2327 | } | |
3d396eb1 AK |
2328 | enable_irq(adapter->irq); |
2329 | } | |
2330 | #endif | |
3d396eb1 | 2331 | |
6a581e93 DP |
2332 | static int |
2333 | nx_incr_dev_ref_cnt(struct netxen_adapter *adapter) | |
2334 | { | |
2335 | int count; | |
2336 | if (netxen_api_lock(adapter)) | |
2337 | return -EIO; | |
2338 | ||
2339 | count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT); | |
2340 | ||
2341 | NXWR32(adapter, NX_CRB_DEV_REF_COUNT, ++count); | |
2342 | ||
2343 | netxen_api_unlock(adapter); | |
2344 | return count; | |
2345 | } | |
2346 | ||
2347 | static int | |
2348 | nx_decr_dev_ref_cnt(struct netxen_adapter *adapter) | |
2349 | { | |
83f18a55 | 2350 | int count, state; |
6a581e93 DP |
2351 | if (netxen_api_lock(adapter)) |
2352 | return -EIO; | |
2353 | ||
2354 | count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT); | |
2355 | WARN_ON(count == 0); | |
2356 | ||
2357 | NXWR32(adapter, NX_CRB_DEV_REF_COUNT, --count); | |
83f18a55 | 2358 | state = NXRD32(adapter, NX_CRB_DEV_STATE); |
6a581e93 | 2359 | |
83f18a55 | 2360 | if (count == 0 && state != NX_DEV_FAILED) |
6a581e93 DP |
2361 | NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_COLD); |
2362 | ||
2363 | netxen_api_unlock(adapter); | |
2364 | return count; | |
2365 | } | |
2366 | ||
e87ad553 AKS |
2367 | static int |
2368 | nx_dev_request_aer(struct netxen_adapter *adapter) | |
2369 | { | |
2370 | u32 state; | |
2371 | int ret = -EINVAL; | |
2372 | ||
2373 | if (netxen_api_lock(adapter)) | |
2374 | return ret; | |
2375 | ||
2376 | state = NXRD32(adapter, NX_CRB_DEV_STATE); | |
2377 | ||
2378 | if (state == NX_DEV_NEED_AER) | |
2379 | ret = 0; | |
2380 | else if (state == NX_DEV_READY) { | |
2381 | NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_NEED_AER); | |
2382 | ret = 0; | |
2383 | } | |
2384 | ||
2385 | netxen_api_unlock(adapter); | |
2386 | return ret; | |
2387 | } | |
2388 | ||
83f18a55 | 2389 | int |
74c520da AKS |
2390 | nx_dev_request_reset(struct netxen_adapter *adapter) |
2391 | { | |
2392 | u32 state; | |
e87ad553 | 2393 | int ret = -EINVAL; |
74c520da AKS |
2394 | |
2395 | if (netxen_api_lock(adapter)) | |
e87ad553 | 2396 | return ret; |
74c520da AKS |
2397 | |
2398 | state = NXRD32(adapter, NX_CRB_DEV_STATE); | |
2399 | ||
83f18a55 | 2400 | if (state == NX_DEV_NEED_RESET || state == NX_DEV_FAILED) |
e87ad553 AKS |
2401 | ret = 0; |
2402 | else if (state != NX_DEV_INITALIZING && state != NX_DEV_NEED_AER) { | |
74c520da | 2403 | NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_NEED_RESET); |
83f18a55 | 2404 | adapter->flags |= NETXEN_FW_RESET_OWNER; |
e87ad553 AKS |
2405 | ret = 0; |
2406 | } | |
74c520da AKS |
2407 | |
2408 | netxen_api_unlock(adapter); | |
e87ad553 AKS |
2409 | |
2410 | return ret; | |
74c520da AKS |
2411 | } |
2412 | ||
6a581e93 DP |
2413 | static int |
2414 | netxen_can_start_firmware(struct netxen_adapter *adapter) | |
2415 | { | |
2416 | int count; | |
2417 | int can_start = 0; | |
2418 | ||
83f18a55 M |
2419 | if (netxen_api_lock(adapter)) { |
2420 | nx_incr_dev_ref_cnt(adapter); | |
2421 | return -1; | |
2422 | } | |
6a581e93 DP |
2423 | |
2424 | count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT); | |
2425 | ||
2426 | if ((count < 0) || (count >= NX_MAX_PCI_FUNC)) | |
2427 | count = 0; | |
2428 | ||
2429 | if (count == 0) { | |
2430 | can_start = 1; | |
2431 | NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_INITALIZING); | |
2432 | } | |
2433 | ||
2434 | NXWR32(adapter, NX_CRB_DEV_REF_COUNT, ++count); | |
2435 | ||
2436 | netxen_api_unlock(adapter); | |
2437 | ||
2438 | return can_start; | |
2439 | } | |
2440 | ||
2441 | static void | |
2442 | netxen_schedule_work(struct netxen_adapter *adapter, | |
2443 | work_func_t func, int delay) | |
2444 | { | |
2445 | INIT_DELAYED_WORK(&adapter->fw_work, func); | |
2446 | schedule_delayed_work(&adapter->fw_work, delay); | |
2447 | } | |
2448 | ||
2449 | static void | |
2450 | netxen_cancel_fw_work(struct netxen_adapter *adapter) | |
2451 | { | |
2452 | while (test_and_set_bit(__NX_RESETTING, &adapter->state)) | |
2453 | msleep(10); | |
2454 | ||
2455 | cancel_delayed_work_sync(&adapter->fw_work); | |
2456 | } | |
2457 | ||
2458 | static void | |
2459 | netxen_attach_work(struct work_struct *work) | |
2460 | { | |
2461 | struct netxen_adapter *adapter = container_of(work, | |
2462 | struct netxen_adapter, fw_work.work); | |
2463 | struct net_device *netdev = adapter->netdev; | |
2464 | int err = 0; | |
2465 | ||
2466 | if (netif_running(netdev)) { | |
2467 | err = netxen_nic_attach(adapter); | |
2468 | if (err) | |
2469 | goto done; | |
2470 | ||
2471 | err = netxen_nic_up(adapter, netdev); | |
2472 | if (err) { | |
2473 | netxen_nic_detach(adapter); | |
2474 | goto done; | |
2475 | } | |
2476 | ||
57569d0e | 2477 | netxen_restore_indev_addr(netdev, NETDEV_UP); |
6a581e93 DP |
2478 | } |
2479 | ||
2480 | netif_device_attach(netdev); | |
2481 | ||
2482 | done: | |
2483 | adapter->fw_fail_cnt = 0; | |
2484 | clear_bit(__NX_RESETTING, &adapter->state); | |
2485 | netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY); | |
2486 | } | |
2487 | ||
2488 | static void | |
2489 | netxen_fwinit_work(struct work_struct *work) | |
2490 | { | |
2491 | struct netxen_adapter *adapter = container_of(work, | |
2492 | struct netxen_adapter, fw_work.work); | |
2493 | int dev_state; | |
83f18a55 | 2494 | int count; |
6a581e93 | 2495 | dev_state = NXRD32(adapter, NX_CRB_DEV_STATE); |
83f18a55 M |
2496 | if (adapter->flags & NETXEN_FW_RESET_OWNER) { |
2497 | count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT); | |
2498 | WARN_ON(count == 0); | |
2499 | if (count == 1) { | |
2500 | if (adapter->mdump.md_enabled) { | |
2501 | rtnl_lock(); | |
2502 | netxen_dump_fw(adapter); | |
2503 | rtnl_unlock(); | |
2504 | } | |
2505 | adapter->flags &= ~NETXEN_FW_RESET_OWNER; | |
2506 | if (netxen_api_lock(adapter)) { | |
2507 | clear_bit(__NX_RESETTING, &adapter->state); | |
2508 | NXWR32(adapter, NX_CRB_DEV_STATE, | |
2509 | NX_DEV_FAILED); | |
2510 | return; | |
2511 | } | |
2512 | count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT); | |
2513 | NXWR32(adapter, NX_CRB_DEV_REF_COUNT, --count); | |
2514 | NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_COLD); | |
2515 | dev_state = NX_DEV_COLD; | |
2516 | netxen_api_unlock(adapter); | |
2517 | } | |
2518 | } | |
6a581e93 DP |
2519 | |
2520 | switch (dev_state) { | |
2521 | case NX_DEV_COLD: | |
2522 | case NX_DEV_READY: | |
74c520da AKS |
2523 | if (!netxen_start_firmware(adapter)) { |
2524 | netxen_schedule_work(adapter, netxen_attach_work, 0); | |
2525 | return; | |
2526 | } | |
2527 | break; | |
6a581e93 | 2528 | |
6b50ea15 | 2529 | case NX_DEV_NEED_RESET: |
6a581e93 | 2530 | case NX_DEV_INITALIZING: |
6a581e93 DP |
2531 | netxen_schedule_work(adapter, |
2532 | netxen_fwinit_work, 2 * FW_POLL_DELAY); | |
2533 | return; | |
6a581e93 DP |
2534 | |
2535 | case NX_DEV_FAILED: | |
2536 | default: | |
8f9b3f69 | 2537 | nx_incr_dev_ref_cnt(adapter); |
6a581e93 DP |
2538 | break; |
2539 | } | |
2540 | ||
83f18a55 M |
2541 | if (netxen_api_lock(adapter)) { |
2542 | clear_bit(__NX_RESETTING, &adapter->state); | |
2543 | return; | |
2544 | } | |
2545 | NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_FAILED); | |
2546 | netxen_api_unlock(adapter); | |
2547 | dev_err(&adapter->pdev->dev, "%s: Device initialization Failed\n", | |
2548 | adapter->netdev->name); | |
2549 | ||
6a581e93 DP |
2550 | clear_bit(__NX_RESETTING, &adapter->state); |
2551 | } | |
2552 | ||
2553 | static void | |
2554 | netxen_detach_work(struct work_struct *work) | |
2555 | { | |
2556 | struct netxen_adapter *adapter = container_of(work, | |
2557 | struct netxen_adapter, fw_work.work); | |
2558 | struct net_device *netdev = adapter->netdev; | |
83f18a55 | 2559 | int ref_cnt = 0, delay; |
6a581e93 DP |
2560 | u32 status; |
2561 | ||
2562 | netif_device_detach(netdev); | |
2563 | ||
6f771419 | 2564 | netxen_nic_down(adapter, netdev); |
6a581e93 | 2565 | |
e15eec28 | 2566 | rtnl_lock(); |
6a581e93 | 2567 | netxen_nic_detach(adapter); |
e15eec28 | 2568 | rtnl_unlock(); |
6a581e93 DP |
2569 | |
2570 | status = NXRD32(adapter, NETXEN_PEG_HALT_STATUS1); | |
2571 | ||
6a581e93 | 2572 | if (status & NX_RCODE_FATAL_ERROR) |
8f9b3f69 | 2573 | goto err_ret; |
6a581e93 DP |
2574 | |
2575 | if (adapter->temp == NX_TEMP_PANIC) | |
8f9b3f69 AKS |
2576 | goto err_ret; |
2577 | ||
83f18a55 M |
2578 | if (!(adapter->flags & NETXEN_FW_RESET_OWNER)) |
2579 | ref_cnt = nx_decr_dev_ref_cnt(adapter); | |
6a581e93 | 2580 | |
6b50ea15 AKS |
2581 | if (ref_cnt == -EIO) |
2582 | goto err_ret; | |
2583 | ||
6a581e93 DP |
2584 | delay = (ref_cnt == 0) ? 0 : (2 * FW_POLL_DELAY); |
2585 | ||
2586 | adapter->fw_wait_cnt = 0; | |
2587 | netxen_schedule_work(adapter, netxen_fwinit_work, delay); | |
8f9b3f69 AKS |
2588 | |
2589 | return; | |
2590 | ||
2591 | err_ret: | |
2592 | clear_bit(__NX_RESETTING, &adapter->state); | |
6a581e93 DP |
2593 | } |
2594 | ||
2595 | static int | |
2596 | netxen_check_health(struct netxen_adapter *adapter) | |
2597 | { | |
2598 | u32 state, heartbit; | |
2599 | struct net_device *netdev = adapter->netdev; | |
2600 | ||
e87ad553 AKS |
2601 | state = NXRD32(adapter, NX_CRB_DEV_STATE); |
2602 | if (state == NX_DEV_NEED_AER) | |
2603 | return 0; | |
2604 | ||
6a581e93 DP |
2605 | if (netxen_nic_check_temp(adapter)) |
2606 | goto detach; | |
2607 | ||
74c520da | 2608 | if (adapter->need_fw_reset) { |
e87ad553 AKS |
2609 | if (nx_dev_request_reset(adapter)) |
2610 | return 0; | |
74c520da AKS |
2611 | goto detach; |
2612 | } | |
2613 | ||
e87ad553 AKS |
2614 | /* NX_DEV_NEED_RESET, this state can be marked in two cases |
2615 | * 1. Tx timeout 2. Fw hang | |
2616 | * Send request to destroy context in case of tx timeout only | |
2617 | * and doesn't required in case of Fw hang | |
2618 | */ | |
83f18a55 | 2619 | if (state == NX_DEV_NEED_RESET || state == NX_DEV_FAILED) { |
6a808c6c | 2620 | adapter->need_fw_reset = 1; |
e87ad553 AKS |
2621 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) |
2622 | goto detach; | |
6a808c6c | 2623 | } |
6a581e93 DP |
2624 | |
2625 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) | |
2626 | return 0; | |
2627 | ||
2628 | heartbit = NXRD32(adapter, NETXEN_PEG_ALIVE_COUNTER); | |
2629 | if (heartbit != adapter->heartbit) { | |
2630 | adapter->heartbit = heartbit; | |
2631 | adapter->fw_fail_cnt = 0; | |
e87ad553 AKS |
2632 | if (adapter->need_fw_reset) |
2633 | goto detach; | |
6a581e93 DP |
2634 | return 0; |
2635 | } | |
2636 | ||
2637 | if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) | |
2638 | return 0; | |
2639 | ||
e87ad553 AKS |
2640 | if (nx_dev_request_reset(adapter)) |
2641 | return 0; | |
2642 | ||
6a581e93 DP |
2643 | clear_bit(__NX_FW_ATTACHED, &adapter->state); |
2644 | ||
2645 | dev_info(&netdev->dev, "firmware hang detected\n"); | |
2646 | ||
2647 | detach: | |
caa2dd53 NK |
2648 | if ((auto_fw_reset == AUTO_FW_RESET_ENABLED) && |
2649 | !test_and_set_bit(__NX_RESETTING, &adapter->state)) | |
6a581e93 DP |
2650 | netxen_schedule_work(adapter, netxen_detach_work, 0); |
2651 | return 1; | |
2652 | } | |
2653 | ||
2654 | static void | |
2655 | netxen_fw_poll_work(struct work_struct *work) | |
2656 | { | |
2657 | struct netxen_adapter *adapter = container_of(work, | |
2658 | struct netxen_adapter, fw_work.work); | |
2659 | ||
2660 | if (test_bit(__NX_RESETTING, &adapter->state)) | |
2661 | goto reschedule; | |
2662 | ||
2663 | if (test_bit(__NX_DEV_UP, &adapter->state)) { | |
2664 | if (!adapter->has_link_events) { | |
2665 | ||
2666 | netxen_nic_handle_phy_intr(adapter); | |
2667 | ||
2668 | if (adapter->link_changed) | |
2669 | netxen_nic_set_link_parameters(adapter); | |
2670 | } | |
2671 | } | |
2672 | ||
2673 | if (netxen_check_health(adapter)) | |
2674 | return; | |
2675 | ||
2676 | reschedule: | |
2677 | netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY); | |
2678 | } | |
2679 | ||
fa3ce355 NK |
2680 | static ssize_t |
2681 | netxen_store_bridged_mode(struct device *dev, | |
2682 | struct device_attribute *attr, const char *buf, size_t len) | |
2683 | { | |
2684 | struct net_device *net = to_net_dev(dev); | |
2685 | struct netxen_adapter *adapter = netdev_priv(net); | |
2686 | unsigned long new; | |
2687 | int ret = -EINVAL; | |
2688 | ||
2689 | if (!(adapter->capabilities & NX_FW_CAPABILITY_BDG)) | |
2690 | goto err_out; | |
2691 | ||
2692 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) | |
2693 | goto err_out; | |
2694 | ||
2695 | if (strict_strtoul(buf, 2, &new)) | |
2696 | goto err_out; | |
2697 | ||
2698 | if (!netxen_config_bridged_mode(adapter, !!new)) | |
2699 | ret = len; | |
2700 | ||
2701 | err_out: | |
2702 | return ret; | |
2703 | } | |
2704 | ||
2705 | static ssize_t | |
2706 | netxen_show_bridged_mode(struct device *dev, | |
2707 | struct device_attribute *attr, char *buf) | |
2708 | { | |
2709 | struct net_device *net = to_net_dev(dev); | |
2710 | struct netxen_adapter *adapter; | |
2711 | int bridged_mode = 0; | |
2712 | ||
2713 | adapter = netdev_priv(net); | |
2714 | ||
2715 | if (adapter->capabilities & NX_FW_CAPABILITY_BDG) | |
2716 | bridged_mode = !!(adapter->flags & NETXEN_NIC_BRIDGE_ENABLED); | |
2717 | ||
2718 | return sprintf(buf, "%d\n", bridged_mode); | |
2719 | } | |
2720 | ||
2721 | static struct device_attribute dev_attr_bridged_mode = { | |
2722 | .attr = {.name = "bridged_mode", .mode = (S_IRUGO | S_IWUSR)}, | |
2723 | .show = netxen_show_bridged_mode, | |
2724 | .store = netxen_store_bridged_mode, | |
2725 | }; | |
2726 | ||
70f9cf89 DP |
2727 | static ssize_t |
2728 | netxen_store_diag_mode(struct device *dev, | |
2729 | struct device_attribute *attr, const char *buf, size_t len) | |
2730 | { | |
2731 | struct netxen_adapter *adapter = dev_get_drvdata(dev); | |
2732 | unsigned long new; | |
2733 | ||
2734 | if (strict_strtoul(buf, 2, &new)) | |
2735 | return -EINVAL; | |
2736 | ||
2737 | if (!!new != !!(adapter->flags & NETXEN_NIC_DIAG_ENABLED)) | |
2738 | adapter->flags ^= NETXEN_NIC_DIAG_ENABLED; | |
2739 | ||
2740 | return len; | |
2741 | } | |
2742 | ||
2743 | static ssize_t | |
2744 | netxen_show_diag_mode(struct device *dev, | |
2745 | struct device_attribute *attr, char *buf) | |
2746 | { | |
2747 | struct netxen_adapter *adapter = dev_get_drvdata(dev); | |
2748 | ||
2749 | return sprintf(buf, "%d\n", | |
2750 | !!(adapter->flags & NETXEN_NIC_DIAG_ENABLED)); | |
2751 | } | |
2752 | ||
2753 | static struct device_attribute dev_attr_diag_mode = { | |
2754 | .attr = {.name = "diag_mode", .mode = (S_IRUGO | S_IWUSR)}, | |
2755 | .show = netxen_show_diag_mode, | |
2756 | .store = netxen_store_diag_mode, | |
2757 | }; | |
2758 | ||
2759 | static int | |
2760 | netxen_sysfs_validate_crb(struct netxen_adapter *adapter, | |
2761 | loff_t offset, size_t size) | |
2762 | { | |
0b9715e6 AKS |
2763 | size_t crb_size = 4; |
2764 | ||
70f9cf89 DP |
2765 | if (!(adapter->flags & NETXEN_NIC_DIAG_ENABLED)) |
2766 | return -EIO; | |
2767 | ||
0b9715e6 AKS |
2768 | if (offset < NETXEN_PCI_CRBSPACE) { |
2769 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) | |
2770 | return -EINVAL; | |
70f9cf89 | 2771 | |
0b9715e6 AKS |
2772 | if (ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM, |
2773 | NETXEN_PCI_CAMQM_2M_END)) | |
2774 | crb_size = 8; | |
2775 | else | |
2776 | return -EINVAL; | |
2777 | } | |
2778 | ||
2779 | if ((size != crb_size) || (offset & (crb_size-1))) | |
2780 | return -EINVAL; | |
70f9cf89 DP |
2781 | |
2782 | return 0; | |
2783 | } | |
2784 | ||
2785 | static ssize_t | |
2c3c8bea CW |
2786 | netxen_sysfs_read_crb(struct file *filp, struct kobject *kobj, |
2787 | struct bin_attribute *attr, | |
70f9cf89 DP |
2788 | char *buf, loff_t offset, size_t size) |
2789 | { | |
2790 | struct device *dev = container_of(kobj, struct device, kobj); | |
2791 | struct netxen_adapter *adapter = dev_get_drvdata(dev); | |
2792 | u32 data; | |
0b9715e6 | 2793 | u64 qmdata; |
70f9cf89 DP |
2794 | int ret; |
2795 | ||
2796 | ret = netxen_sysfs_validate_crb(adapter, offset, size); | |
2797 | if (ret != 0) | |
2798 | return ret; | |
2799 | ||
0b9715e6 AKS |
2800 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id) && |
2801 | ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM, | |
2802 | NETXEN_PCI_CAMQM_2M_END)) { | |
2803 | netxen_pci_camqm_read_2M(adapter, offset, &qmdata); | |
2804 | memcpy(buf, &qmdata, size); | |
2805 | } else { | |
2806 | data = NXRD32(adapter, offset); | |
2807 | memcpy(buf, &data, size); | |
2808 | } | |
2809 | ||
70f9cf89 DP |
2810 | return size; |
2811 | } | |
2812 | ||
2813 | static ssize_t | |
2c3c8bea CW |
2814 | netxen_sysfs_write_crb(struct file *filp, struct kobject *kobj, |
2815 | struct bin_attribute *attr, | |
70f9cf89 DP |
2816 | char *buf, loff_t offset, size_t size) |
2817 | { | |
2818 | struct device *dev = container_of(kobj, struct device, kobj); | |
2819 | struct netxen_adapter *adapter = dev_get_drvdata(dev); | |
2820 | u32 data; | |
0b9715e6 | 2821 | u64 qmdata; |
70f9cf89 DP |
2822 | int ret; |
2823 | ||
2824 | ret = netxen_sysfs_validate_crb(adapter, offset, size); | |
2825 | if (ret != 0) | |
2826 | return ret; | |
2827 | ||
0b9715e6 AKS |
2828 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id) && |
2829 | ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM, | |
2830 | NETXEN_PCI_CAMQM_2M_END)) { | |
2831 | memcpy(&qmdata, buf, size); | |
2832 | netxen_pci_camqm_write_2M(adapter, offset, qmdata); | |
2833 | } else { | |
2834 | memcpy(&data, buf, size); | |
2835 | NXWR32(adapter, offset, data); | |
2836 | } | |
2837 | ||
70f9cf89 DP |
2838 | return size; |
2839 | } | |
2840 | ||
2841 | static int | |
2842 | netxen_sysfs_validate_mem(struct netxen_adapter *adapter, | |
2843 | loff_t offset, size_t size) | |
2844 | { | |
2845 | if (!(adapter->flags & NETXEN_NIC_DIAG_ENABLED)) | |
2846 | return -EIO; | |
2847 | ||
2848 | if ((size != 8) || (offset & 0x7)) | |
2849 | return -EIO; | |
2850 | ||
2851 | return 0; | |
2852 | } | |
2853 | ||
2854 | static ssize_t | |
2c3c8bea CW |
2855 | netxen_sysfs_read_mem(struct file *filp, struct kobject *kobj, |
2856 | struct bin_attribute *attr, | |
70f9cf89 DP |
2857 | char *buf, loff_t offset, size_t size) |
2858 | { | |
2859 | struct device *dev = container_of(kobj, struct device, kobj); | |
2860 | struct netxen_adapter *adapter = dev_get_drvdata(dev); | |
2861 | u64 data; | |
2862 | int ret; | |
2863 | ||
2864 | ret = netxen_sysfs_validate_mem(adapter, offset, size); | |
2865 | if (ret != 0) | |
2866 | return ret; | |
2867 | ||
2868 | if (adapter->pci_mem_read(adapter, offset, &data)) | |
2869 | return -EIO; | |
2870 | ||
2871 | memcpy(buf, &data, size); | |
2872 | ||
2873 | return size; | |
2874 | } | |
2875 | ||
2c3c8bea | 2876 | static ssize_t netxen_sysfs_write_mem(struct file *filp, struct kobject *kobj, |
70f9cf89 DP |
2877 | struct bin_attribute *attr, char *buf, |
2878 | loff_t offset, size_t size) | |
2879 | { | |
2880 | struct device *dev = container_of(kobj, struct device, kobj); | |
2881 | struct netxen_adapter *adapter = dev_get_drvdata(dev); | |
2882 | u64 data; | |
2883 | int ret; | |
2884 | ||
2885 | ret = netxen_sysfs_validate_mem(adapter, offset, size); | |
2886 | if (ret != 0) | |
2887 | return ret; | |
2888 | ||
2889 | memcpy(&data, buf, size); | |
2890 | ||
2891 | if (adapter->pci_mem_write(adapter, offset, data)) | |
2892 | return -EIO; | |
2893 | ||
2894 | return size; | |
2895 | } | |
2896 | ||
2897 | ||
2898 | static struct bin_attribute bin_attr_crb = { | |
2899 | .attr = {.name = "crb", .mode = (S_IRUGO | S_IWUSR)}, | |
2900 | .size = 0, | |
2901 | .read = netxen_sysfs_read_crb, | |
2902 | .write = netxen_sysfs_write_crb, | |
2903 | }; | |
2904 | ||
2905 | static struct bin_attribute bin_attr_mem = { | |
2906 | .attr = {.name = "mem", .mode = (S_IRUGO | S_IWUSR)}, | |
2907 | .size = 0, | |
2908 | .read = netxen_sysfs_read_mem, | |
2909 | .write = netxen_sysfs_write_mem, | |
2910 | }; | |
2911 | ||
caa2dd53 | 2912 | |
fa3ce355 NK |
2913 | static void |
2914 | netxen_create_sysfs_entries(struct netxen_adapter *adapter) | |
2915 | { | |
2916 | struct net_device *netdev = adapter->netdev; | |
2917 | struct device *dev = &netdev->dev; | |
2918 | ||
2919 | if (adapter->capabilities & NX_FW_CAPABILITY_BDG) { | |
2920 | /* bridged_mode control */ | |
2921 | if (device_create_file(dev, &dev_attr_bridged_mode)) { | |
2922 | dev_warn(&netdev->dev, | |
2923 | "failed to create bridged_mode sysfs entry\n"); | |
2924 | } | |
2925 | } | |
2926 | } | |
2927 | ||
2928 | static void | |
2929 | netxen_remove_sysfs_entries(struct netxen_adapter *adapter) | |
2930 | { | |
2931 | struct net_device *netdev = adapter->netdev; | |
2932 | struct device *dev = &netdev->dev; | |
2933 | ||
2934 | if (adapter->capabilities & NX_FW_CAPABILITY_BDG) | |
2935 | device_remove_file(dev, &dev_attr_bridged_mode); | |
2936 | } | |
2937 | ||
70f9cf89 DP |
2938 | static void |
2939 | netxen_create_diag_entries(struct netxen_adapter *adapter) | |
2940 | { | |
2941 | struct pci_dev *pdev = adapter->pdev; | |
2942 | struct device *dev; | |
2943 | ||
2944 | dev = &pdev->dev; | |
2945 | if (device_create_file(dev, &dev_attr_diag_mode)) | |
2946 | dev_info(dev, "failed to create diag_mode sysfs entry\n"); | |
2947 | if (device_create_bin_file(dev, &bin_attr_crb)) | |
2948 | dev_info(dev, "failed to create crb sysfs entry\n"); | |
2949 | if (device_create_bin_file(dev, &bin_attr_mem)) | |
2950 | dev_info(dev, "failed to create mem sysfs entry\n"); | |
2951 | } | |
2952 | ||
2953 | ||
2954 | static void | |
2955 | netxen_remove_diag_entries(struct netxen_adapter *adapter) | |
2956 | { | |
2957 | struct pci_dev *pdev = adapter->pdev; | |
2958 | struct device *dev = &pdev->dev; | |
2959 | ||
2960 | device_remove_file(dev, &dev_attr_diag_mode); | |
2961 | device_remove_bin_file(dev, &bin_attr_crb); | |
2962 | device_remove_bin_file(dev, &bin_attr_mem); | |
2963 | } | |
2964 | ||
044824d9 DP |
2965 | #ifdef CONFIG_INET |
2966 | ||
6598b169 DP |
2967 | #define is_netxen_netdev(dev) (dev->netdev_ops == &netxen_netdev_ops) |
2968 | ||
2969 | static int | |
2970 | netxen_destip_supported(struct netxen_adapter *adapter) | |
2971 | { | |
2972 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) | |
2973 | return 0; | |
2974 | ||
2975 | if (adapter->ahw.cut_through) | |
2976 | return 0; | |
2977 | ||
2978 | return 1; | |
2979 | } | |
2980 | ||
d0725e4d | 2981 | static void |
57569d0e RB |
2982 | netxen_free_vlan_ip_list(struct netxen_adapter *adapter) |
2983 | { | |
2984 | struct nx_vlan_ip_list *cur; | |
2985 | struct list_head *head = &adapter->vlan_ip_list; | |
2986 | ||
2987 | while (!list_empty(head)) { | |
2988 | cur = list_entry(head->next, struct nx_vlan_ip_list, list); | |
2989 | netxen_config_ipaddr(adapter, cur->ip_addr, NX_IP_DOWN); | |
2990 | list_del(&cur->list); | |
2991 | kfree(cur); | |
2992 | } | |
2993 | ||
2994 | } | |
2995 | static void | |
2996 | netxen_list_config_vlan_ip(struct netxen_adapter *adapter, | |
2997 | struct in_ifaddr *ifa, unsigned long event) | |
2998 | { | |
2999 | struct net_device *dev; | |
3000 | struct nx_vlan_ip_list *cur, *tmp_cur; | |
3001 | struct list_head *head; | |
3002 | ||
3003 | dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; | |
3004 | ||
3005 | if (dev == NULL) | |
3006 | return; | |
3007 | ||
3008 | if (!is_vlan_dev(dev)) | |
3009 | return; | |
3010 | ||
3011 | switch (event) { | |
3012 | case NX_IP_UP: | |
3013 | list_for_each(head, &adapter->vlan_ip_list) { | |
3014 | cur = list_entry(head, struct nx_vlan_ip_list, list); | |
3015 | ||
3016 | if (cur->ip_addr == ifa->ifa_address) | |
3017 | return; | |
3018 | } | |
3019 | ||
3020 | cur = kzalloc(sizeof(struct nx_vlan_ip_list), GFP_ATOMIC); | |
3021 | if (cur == NULL) { | |
3022 | printk(KERN_ERR "%s: failed to add vlan ip to list\n", | |
3023 | adapter->netdev->name); | |
3024 | return; | |
3025 | } | |
3026 | ||
3027 | cur->ip_addr = ifa->ifa_address; | |
3028 | list_add_tail(&cur->list, &adapter->vlan_ip_list); | |
3029 | break; | |
3030 | case NX_IP_DOWN: | |
3031 | list_for_each_entry_safe(cur, tmp_cur, | |
3032 | &adapter->vlan_ip_list, list) { | |
3033 | if (cur->ip_addr == ifa->ifa_address) { | |
3034 | list_del(&cur->list); | |
3035 | kfree(cur); | |
3036 | break; | |
3037 | } | |
3038 | } | |
3039 | } | |
3040 | } | |
3041 | static void | |
3042 | netxen_config_indev_addr(struct netxen_adapter *adapter, | |
3043 | struct net_device *dev, unsigned long event) | |
d0725e4d AKS |
3044 | { |
3045 | struct in_device *indev; | |
d0725e4d | 3046 | |
3db76755 | 3047 | if (!netxen_destip_supported(adapter)) |
d0725e4d AKS |
3048 | return; |
3049 | ||
3050 | indev = in_dev_get(dev); | |
3051 | if (!indev) | |
3052 | return; | |
3053 | ||
3054 | for_ifa(indev) { | |
3055 | switch (event) { | |
3056 | case NETDEV_UP: | |
3057 | netxen_config_ipaddr(adapter, | |
3058 | ifa->ifa_address, NX_IP_UP); | |
57569d0e | 3059 | netxen_list_config_vlan_ip(adapter, ifa, NX_IP_UP); |
d0725e4d AKS |
3060 | break; |
3061 | case NETDEV_DOWN: | |
3062 | netxen_config_ipaddr(adapter, | |
3063 | ifa->ifa_address, NX_IP_DOWN); | |
57569d0e | 3064 | netxen_list_config_vlan_ip(adapter, ifa, NX_IP_DOWN); |
d0725e4d AKS |
3065 | break; |
3066 | default: | |
3067 | break; | |
3068 | } | |
3069 | } endfor_ifa(indev); | |
3070 | ||
3071 | in_dev_put(indev); | |
d0725e4d AKS |
3072 | } |
3073 | ||
57569d0e RB |
3074 | static void |
3075 | netxen_restore_indev_addr(struct net_device *netdev, unsigned long event) | |
3076 | ||
3077 | { | |
3078 | struct netxen_adapter *adapter = netdev_priv(netdev); | |
3079 | struct nx_vlan_ip_list *pos, *tmp_pos; | |
3080 | unsigned long ip_event; | |
3081 | ||
3082 | ip_event = (event == NETDEV_UP) ? NX_IP_UP : NX_IP_DOWN; | |
3083 | netxen_config_indev_addr(adapter, netdev, event); | |
3084 | ||
3085 | list_for_each_entry_safe(pos, tmp_pos, &adapter->vlan_ip_list, list) { | |
3086 | netxen_config_ipaddr(adapter, pos->ip_addr, ip_event); | |
3087 | } | |
3088 | } | |
3089 | ||
6598b169 DP |
3090 | static int netxen_netdev_event(struct notifier_block *this, |
3091 | unsigned long event, void *ptr) | |
3092 | { | |
3093 | struct netxen_adapter *adapter; | |
3094 | struct net_device *dev = (struct net_device *)ptr; | |
57569d0e | 3095 | struct net_device *orig_dev = dev; |
6598b169 DP |
3096 | |
3097 | recheck: | |
3098 | if (dev == NULL) | |
3099 | goto done; | |
3100 | ||
3101 | if (dev->priv_flags & IFF_802_1Q_VLAN) { | |
3102 | dev = vlan_dev_real_dev(dev); | |
3103 | goto recheck; | |
3104 | } | |
3105 | ||
3106 | if (!is_netxen_netdev(dev)) | |
3107 | goto done; | |
3108 | ||
3109 | adapter = netdev_priv(dev); | |
3110 | ||
d0725e4d | 3111 | if (!adapter) |
6598b169 DP |
3112 | goto done; |
3113 | ||
3114 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) | |
3115 | goto done; | |
3116 | ||
57569d0e | 3117 | netxen_config_indev_addr(adapter, orig_dev, event); |
6598b169 DP |
3118 | done: |
3119 | return NOTIFY_DONE; | |
3120 | } | |
3121 | ||
3122 | static int | |
3123 | netxen_inetaddr_event(struct notifier_block *this, | |
3124 | unsigned long event, void *ptr) | |
3125 | { | |
3126 | struct netxen_adapter *adapter; | |
3127 | struct net_device *dev; | |
3128 | ||
3129 | struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; | |
3130 | ||
3131 | dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; | |
3132 | ||
3133 | recheck: | |
57569d0e | 3134 | if (dev == NULL) |
6598b169 DP |
3135 | goto done; |
3136 | ||
3137 | if (dev->priv_flags & IFF_802_1Q_VLAN) { | |
3138 | dev = vlan_dev_real_dev(dev); | |
3139 | goto recheck; | |
3140 | } | |
3141 | ||
3142 | if (!is_netxen_netdev(dev)) | |
3143 | goto done; | |
3144 | ||
3145 | adapter = netdev_priv(dev); | |
3146 | ||
3147 | if (!adapter || !netxen_destip_supported(adapter)) | |
3148 | goto done; | |
3149 | ||
3150 | if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) | |
3151 | goto done; | |
3152 | ||
3153 | switch (event) { | |
3154 | case NETDEV_UP: | |
3155 | netxen_config_ipaddr(adapter, ifa->ifa_address, NX_IP_UP); | |
57569d0e | 3156 | netxen_list_config_vlan_ip(adapter, ifa, NX_IP_UP); |
6598b169 DP |
3157 | break; |
3158 | case NETDEV_DOWN: | |
3159 | netxen_config_ipaddr(adapter, ifa->ifa_address, NX_IP_DOWN); | |
57569d0e | 3160 | netxen_list_config_vlan_ip(adapter, ifa, NX_IP_DOWN); |
6598b169 DP |
3161 | break; |
3162 | default: | |
3163 | break; | |
3164 | } | |
3165 | ||
3166 | done: | |
3167 | return NOTIFY_DONE; | |
3168 | } | |
3169 | ||
3170 | static struct notifier_block netxen_netdev_cb = { | |
3171 | .notifier_call = netxen_netdev_event, | |
3172 | }; | |
3173 | ||
3174 | static struct notifier_block netxen_inetaddr_cb = { | |
3175 | .notifier_call = netxen_inetaddr_event, | |
3176 | }; | |
9feae56c RD |
3177 | #else |
3178 | static void | |
57569d0e RB |
3179 | netxen_restore_indev_addr(struct net_device *dev, unsigned long event) |
3180 | { } | |
3181 | static void | |
3182 | netxen_free_vlan_ip_list(struct netxen_adapter *adapter) | |
9feae56c | 3183 | { } |
044824d9 | 3184 | #endif |
6598b169 | 3185 | |
e87ad553 AKS |
3186 | static struct pci_error_handlers netxen_err_handler = { |
3187 | .error_detected = netxen_io_error_detected, | |
3188 | .slot_reset = netxen_io_slot_reset, | |
3189 | .resume = netxen_io_resume, | |
3190 | }; | |
3191 | ||
3d396eb1 AK |
3192 | static struct pci_driver netxen_driver = { |
3193 | .name = netxen_nic_driver_name, | |
3194 | .id_table = netxen_pci_tbl, | |
3195 | .probe = netxen_nic_probe, | |
0b72e659 | 3196 | .remove = __devexit_p(netxen_nic_remove), |
01542cd1 | 3197 | #ifdef CONFIG_PM |
0b72e659 | 3198 | .suspend = netxen_nic_suspend, |
22b5794b | 3199 | .resume = netxen_nic_resume, |
01542cd1 | 3200 | #endif |
e87ad553 AKS |
3201 | .shutdown = netxen_nic_shutdown, |
3202 | .err_handler = &netxen_err_handler | |
3d396eb1 AK |
3203 | }; |
3204 | ||
3d396eb1 AK |
3205 | static int __init netxen_init_module(void) |
3206 | { | |
ff4fbd43 DP |
3207 | printk(KERN_INFO "%s\n", netxen_nic_driver_string); |
3208 | ||
044824d9 | 3209 | #ifdef CONFIG_INET |
6598b169 DP |
3210 | register_netdevice_notifier(&netxen_netdev_cb); |
3211 | register_inetaddr_notifier(&netxen_inetaddr_cb); | |
044824d9 | 3212 | #endif |
184231bd | 3213 | return pci_register_driver(&netxen_driver); |
3d396eb1 AK |
3214 | } |
3215 | ||
3216 | module_init(netxen_init_module); | |
3217 | ||
3218 | static void __exit netxen_exit_module(void) | |
3219 | { | |
3d396eb1 | 3220 | pci_unregister_driver(&netxen_driver); |
6598b169 | 3221 | |
044824d9 | 3222 | #ifdef CONFIG_INET |
6598b169 DP |
3223 | unregister_inetaddr_notifier(&netxen_inetaddr_cb); |
3224 | unregister_netdevice_notifier(&netxen_netdev_cb); | |
044824d9 | 3225 | #endif |
3d396eb1 AK |
3226 | } |
3227 | ||
3228 | module_exit(netxen_exit_module); |