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af19b491 AKS |
1 | /* |
2 | * Copyright (C) 2009 - QLogic Corporation. | |
3 | * All rights reserved. | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or | |
6 | * modify it under the terms of the GNU General Public License | |
7 | * as published by the Free Software Foundation; either version 2 | |
8 | * of the License, or (at your option) any later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, but | |
11 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program; if not, write to the Free Software | |
17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, | |
18 | * MA 02111-1307, USA. | |
19 | * | |
20 | * The full GNU General Public License is included in this distribution | |
21 | * in the file called "COPYING". | |
22 | * | |
23 | */ | |
24 | ||
5a0e3ad6 | 25 | #include <linux/slab.h> |
af19b491 AKS |
26 | #include <linux/vmalloc.h> |
27 | #include <linux/interrupt.h> | |
28 | ||
29 | #include "qlcnic.h" | |
30 | ||
31 | #include <linux/dma-mapping.h> | |
32 | #include <linux/if_vlan.h> | |
33 | #include <net/ip.h> | |
34 | #include <linux/ipv6.h> | |
35 | #include <linux/inetdevice.h> | |
36 | #include <linux/sysfs.h> | |
37 | ||
7f9a0c34 | 38 | MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver"); |
af19b491 AKS |
39 | MODULE_LICENSE("GPL"); |
40 | MODULE_VERSION(QLCNIC_LINUX_VERSIONID); | |
41 | MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME); | |
42 | ||
43 | char qlcnic_driver_name[] = "qlcnic"; | |
7f9a0c34 SV |
44 | static const char qlcnic_driver_string[] = "QLogic 1/10 GbE " |
45 | "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID; | |
af19b491 AKS |
46 | |
47 | static int port_mode = QLCNIC_PORT_MODE_AUTO_NEG; | |
48 | ||
49 | /* Default to restricted 1G auto-neg mode */ | |
50 | static int wol_port_mode = 5; | |
51 | ||
52 | static int use_msi = 1; | |
53 | module_param(use_msi, int, 0644); | |
54 | MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled"); | |
55 | ||
56 | static int use_msi_x = 1; | |
57 | module_param(use_msi_x, int, 0644); | |
58 | MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled"); | |
59 | ||
60 | static int auto_fw_reset = AUTO_FW_RESET_ENABLED; | |
61 | module_param(auto_fw_reset, int, 0644); | |
62 | MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled"); | |
63 | ||
4d5bdb38 AKS |
64 | static int load_fw_file; |
65 | module_param(load_fw_file, int, 0644); | |
66 | MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file"); | |
67 | ||
2e9d722d AC |
68 | static int qlcnic_config_npars; |
69 | module_param(qlcnic_config_npars, int, 0644); | |
70 | MODULE_PARM_DESC(qlcnic_config_npars, "Configure NPARs (0=disabled, 1=enabled"); | |
71 | ||
af19b491 AKS |
72 | static int __devinit qlcnic_probe(struct pci_dev *pdev, |
73 | const struct pci_device_id *ent); | |
74 | static void __devexit qlcnic_remove(struct pci_dev *pdev); | |
75 | static int qlcnic_open(struct net_device *netdev); | |
76 | static int qlcnic_close(struct net_device *netdev); | |
af19b491 | 77 | static void qlcnic_tx_timeout(struct net_device *netdev); |
af19b491 AKS |
78 | static void qlcnic_attach_work(struct work_struct *work); |
79 | static void qlcnic_fwinit_work(struct work_struct *work); | |
80 | static void qlcnic_fw_poll_work(struct work_struct *work); | |
81 | static void qlcnic_schedule_work(struct qlcnic_adapter *adapter, | |
82 | work_func_t func, int delay); | |
83 | static void qlcnic_cancel_fw_work(struct qlcnic_adapter *adapter); | |
84 | static int qlcnic_poll(struct napi_struct *napi, int budget); | |
8f891387 | 85 | static int qlcnic_rx_poll(struct napi_struct *napi, int budget); |
af19b491 AKS |
86 | #ifdef CONFIG_NET_POLL_CONTROLLER |
87 | static void qlcnic_poll_controller(struct net_device *netdev); | |
88 | #endif | |
89 | ||
90 | static void qlcnic_create_sysfs_entries(struct qlcnic_adapter *adapter); | |
91 | static void qlcnic_remove_sysfs_entries(struct qlcnic_adapter *adapter); | |
92 | static void qlcnic_create_diag_entries(struct qlcnic_adapter *adapter); | |
93 | static void qlcnic_remove_diag_entries(struct qlcnic_adapter *adapter); | |
94 | ||
6df900e9 | 95 | static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding); |
af19b491 AKS |
96 | static void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter); |
97 | static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter); | |
98 | ||
7eb9855d | 99 | static irqreturn_t qlcnic_tmp_intr(int irq, void *data); |
af19b491 AKS |
100 | static irqreturn_t qlcnic_intr(int irq, void *data); |
101 | static irqreturn_t qlcnic_msi_intr(int irq, void *data); | |
102 | static irqreturn_t qlcnic_msix_intr(int irq, void *data); | |
103 | ||
104 | static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev); | |
105 | static void qlcnic_config_indev_addr(struct net_device *dev, unsigned long); | |
9f26f547 AC |
106 | static int qlcnic_start_firmware(struct qlcnic_adapter *); |
107 | ||
108 | static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *); | |
109 | static void qlcnicvf_clear_ilb_mode(struct qlcnic_adapter *); | |
110 | static int qlcnicvf_set_ilb_mode(struct qlcnic_adapter *); | |
111 | static int qlcnicvf_config_led(struct qlcnic_adapter *, u32, u32); | |
112 | static int qlcnicvf_config_bridged_mode(struct qlcnic_adapter *, u32); | |
113 | static int qlcnicvf_start_firmware(struct qlcnic_adapter *); | |
af19b491 AKS |
114 | /* PCI Device ID Table */ |
115 | #define ENTRY(device) \ | |
116 | {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \ | |
117 | .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0} | |
118 | ||
119 | #define PCI_DEVICE_ID_QLOGIC_QLE824X 0x8020 | |
120 | ||
6a902881 | 121 | static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = { |
af19b491 AKS |
122 | ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X), |
123 | {0,} | |
124 | }; | |
125 | ||
126 | MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl); | |
127 | ||
128 | ||
129 | void | |
130 | qlcnic_update_cmd_producer(struct qlcnic_adapter *adapter, | |
131 | struct qlcnic_host_tx_ring *tx_ring) | |
132 | { | |
133 | writel(tx_ring->producer, tx_ring->crb_cmd_producer); | |
af19b491 AKS |
134 | } |
135 | ||
136 | static const u32 msi_tgt_status[8] = { | |
137 | ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, | |
138 | ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3, | |
139 | ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5, | |
140 | ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7 | |
141 | }; | |
142 | ||
143 | static const | |
144 | struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG; | |
145 | ||
146 | static inline void qlcnic_disable_int(struct qlcnic_host_sds_ring *sds_ring) | |
147 | { | |
148 | writel(0, sds_ring->crb_intr_mask); | |
149 | } | |
150 | ||
151 | static inline void qlcnic_enable_int(struct qlcnic_host_sds_ring *sds_ring) | |
152 | { | |
153 | struct qlcnic_adapter *adapter = sds_ring->adapter; | |
154 | ||
155 | writel(0x1, sds_ring->crb_intr_mask); | |
156 | ||
157 | if (!QLCNIC_IS_MSI_FAMILY(adapter)) | |
158 | writel(0xfbff, adapter->tgt_mask_reg); | |
159 | } | |
160 | ||
161 | static int | |
162 | qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count) | |
163 | { | |
164 | int size = sizeof(struct qlcnic_host_sds_ring) * count; | |
165 | ||
166 | recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL); | |
167 | ||
168 | return (recv_ctx->sds_rings == NULL); | |
169 | } | |
170 | ||
171 | static void | |
172 | qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx) | |
173 | { | |
174 | if (recv_ctx->sds_rings != NULL) | |
175 | kfree(recv_ctx->sds_rings); | |
176 | ||
177 | recv_ctx->sds_rings = NULL; | |
178 | } | |
179 | ||
180 | static int | |
181 | qlcnic_napi_add(struct qlcnic_adapter *adapter, struct net_device *netdev) | |
182 | { | |
183 | int ring; | |
184 | struct qlcnic_host_sds_ring *sds_ring; | |
185 | struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx; | |
186 | ||
187 | if (qlcnic_alloc_sds_rings(recv_ctx, adapter->max_sds_rings)) | |
188 | return -ENOMEM; | |
189 | ||
190 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
191 | sds_ring = &recv_ctx->sds_rings[ring]; | |
8f891387 | 192 | |
193 | if (ring == adapter->max_sds_rings - 1) | |
194 | netif_napi_add(netdev, &sds_ring->napi, qlcnic_poll, | |
195 | QLCNIC_NETDEV_WEIGHT/adapter->max_sds_rings); | |
196 | else | |
197 | netif_napi_add(netdev, &sds_ring->napi, | |
198 | qlcnic_rx_poll, QLCNIC_NETDEV_WEIGHT*2); | |
af19b491 AKS |
199 | } |
200 | ||
201 | return 0; | |
202 | } | |
203 | ||
204 | static void | |
205 | qlcnic_napi_del(struct qlcnic_adapter *adapter) | |
206 | { | |
207 | int ring; | |
208 | struct qlcnic_host_sds_ring *sds_ring; | |
209 | struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx; | |
210 | ||
211 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
212 | sds_ring = &recv_ctx->sds_rings[ring]; | |
213 | netif_napi_del(&sds_ring->napi); | |
214 | } | |
215 | ||
216 | qlcnic_free_sds_rings(&adapter->recv_ctx); | |
217 | } | |
218 | ||
219 | static void | |
220 | qlcnic_napi_enable(struct qlcnic_adapter *adapter) | |
221 | { | |
222 | int ring; | |
223 | struct qlcnic_host_sds_ring *sds_ring; | |
224 | struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx; | |
225 | ||
780ab790 AKS |
226 | if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) |
227 | return; | |
228 | ||
af19b491 AKS |
229 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
230 | sds_ring = &recv_ctx->sds_rings[ring]; | |
231 | napi_enable(&sds_ring->napi); | |
232 | qlcnic_enable_int(sds_ring); | |
233 | } | |
234 | } | |
235 | ||
236 | static void | |
237 | qlcnic_napi_disable(struct qlcnic_adapter *adapter) | |
238 | { | |
239 | int ring; | |
240 | struct qlcnic_host_sds_ring *sds_ring; | |
241 | struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx; | |
242 | ||
780ab790 AKS |
243 | if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) |
244 | return; | |
245 | ||
af19b491 AKS |
246 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
247 | sds_ring = &recv_ctx->sds_rings[ring]; | |
248 | qlcnic_disable_int(sds_ring); | |
249 | napi_synchronize(&sds_ring->napi); | |
250 | napi_disable(&sds_ring->napi); | |
251 | } | |
252 | } | |
253 | ||
254 | static void qlcnic_clear_stats(struct qlcnic_adapter *adapter) | |
255 | { | |
256 | memset(&adapter->stats, 0, sizeof(adapter->stats)); | |
af19b491 AKS |
257 | } |
258 | ||
af19b491 AKS |
259 | static void qlcnic_set_port_mode(struct qlcnic_adapter *adapter) |
260 | { | |
261 | u32 val, data; | |
262 | ||
263 | val = adapter->ahw.board_type; | |
264 | if ((val == QLCNIC_BRDTYPE_P3_HMEZ) || | |
265 | (val == QLCNIC_BRDTYPE_P3_XG_LOM)) { | |
266 | if (port_mode == QLCNIC_PORT_MODE_802_3_AP) { | |
267 | data = QLCNIC_PORT_MODE_802_3_AP; | |
268 | QLCWR32(adapter, QLCNIC_PORT_MODE_ADDR, data); | |
269 | } else if (port_mode == QLCNIC_PORT_MODE_XG) { | |
270 | data = QLCNIC_PORT_MODE_XG; | |
271 | QLCWR32(adapter, QLCNIC_PORT_MODE_ADDR, data); | |
272 | } else if (port_mode == QLCNIC_PORT_MODE_AUTO_NEG_1G) { | |
273 | data = QLCNIC_PORT_MODE_AUTO_NEG_1G; | |
274 | QLCWR32(adapter, QLCNIC_PORT_MODE_ADDR, data); | |
275 | } else if (port_mode == QLCNIC_PORT_MODE_AUTO_NEG_XG) { | |
276 | data = QLCNIC_PORT_MODE_AUTO_NEG_XG; | |
277 | QLCWR32(adapter, QLCNIC_PORT_MODE_ADDR, data); | |
278 | } else { | |
279 | data = QLCNIC_PORT_MODE_AUTO_NEG; | |
280 | QLCWR32(adapter, QLCNIC_PORT_MODE_ADDR, data); | |
281 | } | |
282 | ||
283 | if ((wol_port_mode != QLCNIC_PORT_MODE_802_3_AP) && | |
284 | (wol_port_mode != QLCNIC_PORT_MODE_XG) && | |
285 | (wol_port_mode != QLCNIC_PORT_MODE_AUTO_NEG_1G) && | |
286 | (wol_port_mode != QLCNIC_PORT_MODE_AUTO_NEG_XG)) { | |
287 | wol_port_mode = QLCNIC_PORT_MODE_AUTO_NEG; | |
288 | } | |
289 | QLCWR32(adapter, QLCNIC_WOL_PORT_MODE, wol_port_mode); | |
290 | } | |
291 | } | |
292 | ||
293 | static void qlcnic_set_msix_bit(struct pci_dev *pdev, int enable) | |
294 | { | |
295 | u32 control; | |
296 | int pos; | |
297 | ||
298 | pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX); | |
299 | if (pos) { | |
300 | pci_read_config_dword(pdev, pos, &control); | |
301 | if (enable) | |
302 | control |= PCI_MSIX_FLAGS_ENABLE; | |
303 | else | |
304 | control = 0; | |
305 | pci_write_config_dword(pdev, pos, control); | |
306 | } | |
307 | } | |
308 | ||
309 | static void qlcnic_init_msix_entries(struct qlcnic_adapter *adapter, int count) | |
310 | { | |
311 | int i; | |
312 | ||
313 | for (i = 0; i < count; i++) | |
314 | adapter->msix_entries[i].entry = i; | |
315 | } | |
316 | ||
317 | static int | |
318 | qlcnic_read_mac_addr(struct qlcnic_adapter *adapter) | |
319 | { | |
2e9d722d | 320 | u8 mac_addr[ETH_ALEN]; |
af19b491 AKS |
321 | struct net_device *netdev = adapter->netdev; |
322 | struct pci_dev *pdev = adapter->pdev; | |
323 | ||
2e9d722d | 324 | if (adapter->nic_ops->get_mac_addr(adapter, mac_addr) != 0) |
af19b491 AKS |
325 | return -EIO; |
326 | ||
2e9d722d | 327 | memcpy(netdev->dev_addr, mac_addr, ETH_ALEN); |
af19b491 AKS |
328 | memcpy(netdev->perm_addr, netdev->dev_addr, netdev->addr_len); |
329 | memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len); | |
330 | ||
331 | /* set station address */ | |
332 | ||
333 | if (!is_valid_ether_addr(netdev->perm_addr)) | |
334 | dev_warn(&pdev->dev, "Bad MAC address %pM.\n", | |
335 | netdev->dev_addr); | |
336 | ||
337 | return 0; | |
338 | } | |
339 | ||
340 | static int qlcnic_set_mac(struct net_device *netdev, void *p) | |
341 | { | |
342 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
343 | struct sockaddr *addr = p; | |
344 | ||
345 | if (!is_valid_ether_addr(addr->sa_data)) | |
346 | return -EINVAL; | |
347 | ||
8a15ad1f | 348 | if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { |
af19b491 AKS |
349 | netif_device_detach(netdev); |
350 | qlcnic_napi_disable(adapter); | |
351 | } | |
352 | ||
353 | memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len); | |
354 | memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); | |
355 | qlcnic_set_multi(adapter->netdev); | |
356 | ||
8a15ad1f | 357 | if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { |
af19b491 AKS |
358 | netif_device_attach(netdev); |
359 | qlcnic_napi_enable(adapter); | |
360 | } | |
361 | return 0; | |
362 | } | |
363 | ||
364 | static const struct net_device_ops qlcnic_netdev_ops = { | |
365 | .ndo_open = qlcnic_open, | |
366 | .ndo_stop = qlcnic_close, | |
367 | .ndo_start_xmit = qlcnic_xmit_frame, | |
368 | .ndo_get_stats = qlcnic_get_stats, | |
369 | .ndo_validate_addr = eth_validate_addr, | |
370 | .ndo_set_multicast_list = qlcnic_set_multi, | |
371 | .ndo_set_mac_address = qlcnic_set_mac, | |
372 | .ndo_change_mtu = qlcnic_change_mtu, | |
373 | .ndo_tx_timeout = qlcnic_tx_timeout, | |
374 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
375 | .ndo_poll_controller = qlcnic_poll_controller, | |
376 | #endif | |
377 | }; | |
378 | ||
2e9d722d | 379 | static struct qlcnic_nic_template qlcnic_ops = { |
2e9d722d AC |
380 | .get_mac_addr = qlcnic_get_mac_address, |
381 | .config_bridged_mode = qlcnic_config_bridged_mode, | |
382 | .config_led = qlcnic_config_led, | |
383 | .set_ilb_mode = qlcnic_set_ilb_mode, | |
9f26f547 AC |
384 | .clear_ilb_mode = qlcnic_clear_ilb_mode, |
385 | .start_firmware = qlcnic_start_firmware | |
386 | }; | |
387 | ||
388 | static struct qlcnic_nic_template qlcnic_vf_ops = { | |
389 | .get_mac_addr = qlcnic_get_mac_address, | |
390 | .config_bridged_mode = qlcnicvf_config_bridged_mode, | |
391 | .config_led = qlcnicvf_config_led, | |
392 | .set_ilb_mode = qlcnicvf_set_ilb_mode, | |
393 | .clear_ilb_mode = qlcnicvf_clear_ilb_mode, | |
394 | .start_firmware = qlcnicvf_start_firmware | |
2e9d722d AC |
395 | }; |
396 | ||
af19b491 AKS |
397 | static void |
398 | qlcnic_setup_intr(struct qlcnic_adapter *adapter) | |
399 | { | |
400 | const struct qlcnic_legacy_intr_set *legacy_intrp; | |
401 | struct pci_dev *pdev = adapter->pdev; | |
402 | int err, num_msix; | |
403 | ||
404 | if (adapter->rss_supported) { | |
405 | num_msix = (num_online_cpus() >= MSIX_ENTRIES_PER_ADAPTER) ? | |
406 | MSIX_ENTRIES_PER_ADAPTER : 2; | |
407 | } else | |
408 | num_msix = 1; | |
409 | ||
410 | adapter->max_sds_rings = 1; | |
411 | ||
412 | adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED); | |
413 | ||
414 | legacy_intrp = &legacy_intr[adapter->ahw.pci_func]; | |
415 | ||
416 | adapter->int_vec_bit = legacy_intrp->int_vec_bit; | |
417 | adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter, | |
418 | legacy_intrp->tgt_status_reg); | |
419 | adapter->tgt_mask_reg = qlcnic_get_ioaddr(adapter, | |
420 | legacy_intrp->tgt_mask_reg); | |
421 | adapter->isr_int_vec = qlcnic_get_ioaddr(adapter, ISR_INT_VECTOR); | |
422 | ||
423 | adapter->crb_int_state_reg = qlcnic_get_ioaddr(adapter, | |
424 | ISR_INT_STATE_REG); | |
425 | ||
426 | qlcnic_set_msix_bit(pdev, 0); | |
427 | ||
428 | if (adapter->msix_supported) { | |
429 | ||
430 | qlcnic_init_msix_entries(adapter, num_msix); | |
431 | err = pci_enable_msix(pdev, adapter->msix_entries, num_msix); | |
432 | if (err == 0) { | |
433 | adapter->flags |= QLCNIC_MSIX_ENABLED; | |
434 | qlcnic_set_msix_bit(pdev, 1); | |
435 | ||
436 | if (adapter->rss_supported) | |
437 | adapter->max_sds_rings = num_msix; | |
438 | ||
439 | dev_info(&pdev->dev, "using msi-x interrupts\n"); | |
440 | return; | |
441 | } | |
442 | ||
443 | if (err > 0) | |
444 | pci_disable_msix(pdev); | |
445 | ||
446 | /* fall through for msi */ | |
447 | } | |
448 | ||
449 | if (use_msi && !pci_enable_msi(pdev)) { | |
450 | adapter->flags |= QLCNIC_MSI_ENABLED; | |
451 | adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter, | |
452 | msi_tgt_status[adapter->ahw.pci_func]); | |
453 | dev_info(&pdev->dev, "using msi interrupts\n"); | |
454 | adapter->msix_entries[0].vector = pdev->irq; | |
455 | return; | |
456 | } | |
457 | ||
458 | dev_info(&pdev->dev, "using legacy interrupts\n"); | |
459 | adapter->msix_entries[0].vector = pdev->irq; | |
460 | } | |
461 | ||
462 | static void | |
463 | qlcnic_teardown_intr(struct qlcnic_adapter *adapter) | |
464 | { | |
465 | if (adapter->flags & QLCNIC_MSIX_ENABLED) | |
466 | pci_disable_msix(adapter->pdev); | |
467 | if (adapter->flags & QLCNIC_MSI_ENABLED) | |
468 | pci_disable_msi(adapter->pdev); | |
469 | } | |
470 | ||
471 | static void | |
472 | qlcnic_cleanup_pci_map(struct qlcnic_adapter *adapter) | |
473 | { | |
474 | if (adapter->ahw.pci_base0 != NULL) | |
475 | iounmap(adapter->ahw.pci_base0); | |
476 | } | |
477 | ||
346fe763 RB |
478 | static int |
479 | qlcnic_init_pci_info(struct qlcnic_adapter *adapter) | |
480 | { | |
481 | struct qlcnic_pci_info pci_info[QLCNIC_MAX_PCI_FUNC]; | |
482 | int i, ret = 0, err; | |
483 | u8 pfn; | |
484 | ||
485 | if (!adapter->npars) | |
486 | adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) * | |
487 | QLCNIC_MAX_PCI_FUNC, GFP_KERNEL); | |
488 | if (!adapter->npars) | |
489 | return -ENOMEM; | |
490 | ||
491 | if (!adapter->eswitch) | |
492 | adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) * | |
493 | QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL); | |
494 | if (!adapter->eswitch) { | |
495 | err = -ENOMEM; | |
496 | goto err_eswitch; | |
497 | } | |
498 | ||
499 | ret = qlcnic_get_pci_info(adapter, pci_info); | |
500 | if (!ret) { | |
501 | for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) { | |
502 | pfn = pci_info[i].id; | |
503 | if (pfn > QLCNIC_MAX_PCI_FUNC) | |
504 | return QL_STATUS_INVALID_PARAM; | |
505 | adapter->npars[pfn].active = pci_info[i].active; | |
506 | adapter->npars[pfn].type = pci_info[i].type; | |
507 | adapter->npars[pfn].phy_port = pci_info[i].default_port; | |
508 | adapter->npars[pfn].mac_learning = DEFAULT_MAC_LEARN; | |
509 | } | |
510 | ||
511 | for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) | |
512 | adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE; | |
513 | ||
514 | return ret; | |
515 | } | |
516 | ||
517 | kfree(adapter->eswitch); | |
518 | adapter->eswitch = NULL; | |
519 | err_eswitch: | |
520 | kfree(adapter->npars); | |
521 | ||
522 | return ret; | |
523 | } | |
524 | ||
2e9d722d AC |
525 | static int |
526 | qlcnic_set_function_modes(struct qlcnic_adapter *adapter) | |
527 | { | |
528 | u8 id; | |
529 | u32 ref_count; | |
530 | int i, ret = 1; | |
531 | u32 data = QLCNIC_MGMT_FUNC; | |
532 | void __iomem *priv_op = adapter->ahw.pci_base0 + QLCNIC_DRV_OP_MODE; | |
533 | ||
534 | /* If other drivers are not in use set their privilege level */ | |
535 | ref_count = QLCRD32(adapter, QLCNIC_CRB_DEV_REF_COUNT); | |
536 | ret = qlcnic_api_lock(adapter); | |
537 | if (ret) | |
538 | goto err_lock; | |
539 | if (QLC_DEV_CLR_REF_CNT(ref_count, adapter->ahw.pci_func)) | |
540 | goto err_npar; | |
541 | ||
0e33c664 AC |
542 | if (qlcnic_config_npars) { |
543 | for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) { | |
346fe763 | 544 | id = i; |
0e33c664 AC |
545 | if (adapter->npars[i].type != QLCNIC_TYPE_NIC || |
546 | id == adapter->ahw.pci_func) | |
547 | continue; | |
548 | data |= (qlcnic_config_npars & | |
549 | QLC_DEV_SET_DRV(0xf, id)); | |
550 | } | |
551 | } else { | |
552 | data = readl(priv_op); | |
553 | data = (data & ~QLC_DEV_SET_DRV(0xf, adapter->ahw.pci_func)) | | |
554 | (QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, | |
555 | adapter->ahw.pci_func)); | |
2e9d722d AC |
556 | } |
557 | writel(data, priv_op); | |
2e9d722d AC |
558 | err_npar: |
559 | qlcnic_api_unlock(adapter); | |
560 | err_lock: | |
561 | return ret; | |
562 | } | |
563 | ||
2e9d722d AC |
564 | static u32 |
565 | qlcnic_get_driver_mode(struct qlcnic_adapter *adapter) | |
566 | { | |
567 | void __iomem *msix_base_addr; | |
568 | void __iomem *priv_op; | |
346fe763 | 569 | struct qlcnic_info nic_info; |
2e9d722d AC |
570 | u32 func; |
571 | u32 msix_base; | |
572 | u32 op_mode, priv_level; | |
573 | ||
574 | /* Determine FW API version */ | |
575 | adapter->fw_hal_version = readl(adapter->ahw.pci_base0 + QLCNIC_FW_API); | |
2e9d722d AC |
576 | |
577 | /* Find PCI function number */ | |
578 | pci_read_config_dword(adapter->pdev, QLCNIC_MSIX_TABLE_OFFSET, &func); | |
579 | msix_base_addr = adapter->ahw.pci_base0 + QLCNIC_MSIX_BASE; | |
580 | msix_base = readl(msix_base_addr); | |
581 | func = (func - msix_base)/QLCNIC_MSIX_TBL_PGSIZE; | |
582 | adapter->ahw.pci_func = func; | |
583 | ||
346fe763 RB |
584 | if (!qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw.pci_func)) { |
585 | adapter->capabilities = nic_info.capabilities; | |
586 | ||
587 | if (adapter->capabilities & BIT_6) | |
588 | adapter->flags |= QLCNIC_ESWITCH_ENABLED; | |
589 | else | |
590 | adapter->flags &= ~QLCNIC_ESWITCH_ENABLED; | |
591 | } | |
0e33c664 AC |
592 | |
593 | if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) { | |
594 | adapter->nic_ops = &qlcnic_ops; | |
595 | return adapter->fw_hal_version; | |
596 | } | |
597 | ||
2e9d722d AC |
598 | /* Determine function privilege level */ |
599 | priv_op = adapter->ahw.pci_base0 + QLCNIC_DRV_OP_MODE; | |
600 | op_mode = readl(priv_op); | |
0e33c664 | 601 | if (op_mode == QLC_DEV_DRV_DEFAULT) |
2e9d722d | 602 | priv_level = QLCNIC_MGMT_FUNC; |
0e33c664 | 603 | else |
2e9d722d AC |
604 | priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw.pci_func); |
605 | ||
606 | switch (priv_level) { | |
607 | case QLCNIC_MGMT_FUNC: | |
608 | adapter->op_mode = QLCNIC_MGMT_FUNC; | |
45918e2f | 609 | adapter->nic_ops = &qlcnic_ops; |
346fe763 | 610 | qlcnic_init_pci_info(adapter); |
2e9d722d | 611 | /* Set privilege level for other functions */ |
0e33c664 | 612 | qlcnic_set_function_modes(adapter); |
2e9d722d AC |
613 | dev_info(&adapter->pdev->dev, |
614 | "HAL Version: %d, Management function\n", | |
615 | adapter->fw_hal_version); | |
616 | break; | |
617 | case QLCNIC_PRIV_FUNC: | |
618 | adapter->op_mode = QLCNIC_PRIV_FUNC; | |
619 | dev_info(&adapter->pdev->dev, | |
620 | "HAL Version: %d, Privileged function\n", | |
621 | adapter->fw_hal_version); | |
45918e2f | 622 | adapter->nic_ops = &qlcnic_ops; |
2e9d722d | 623 | break; |
9f26f547 AC |
624 | case QLCNIC_NON_PRIV_FUNC: |
625 | adapter->op_mode = QLCNIC_NON_PRIV_FUNC; | |
626 | dev_info(&adapter->pdev->dev, | |
627 | "HAL Version: %d Non Privileged function\n", | |
628 | adapter->fw_hal_version); | |
629 | adapter->nic_ops = &qlcnic_vf_ops; | |
630 | break; | |
2e9d722d AC |
631 | default: |
632 | dev_info(&adapter->pdev->dev, "Unknown function mode: %d\n", | |
633 | priv_level); | |
634 | return 0; | |
635 | } | |
636 | return adapter->fw_hal_version; | |
637 | } | |
638 | ||
af19b491 AKS |
639 | static int |
640 | qlcnic_setup_pci_map(struct qlcnic_adapter *adapter) | |
641 | { | |
642 | void __iomem *mem_ptr0 = NULL; | |
643 | resource_size_t mem_base; | |
644 | unsigned long mem_len, pci_len0 = 0; | |
645 | ||
646 | struct pci_dev *pdev = adapter->pdev; | |
af19b491 | 647 | |
af19b491 AKS |
648 | /* remap phys address */ |
649 | mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */ | |
650 | mem_len = pci_resource_len(pdev, 0); | |
651 | ||
652 | if (mem_len == QLCNIC_PCI_2MB_SIZE) { | |
653 | ||
654 | mem_ptr0 = pci_ioremap_bar(pdev, 0); | |
655 | if (mem_ptr0 == NULL) { | |
656 | dev_err(&pdev->dev, "failed to map PCI bar 0\n"); | |
657 | return -EIO; | |
658 | } | |
659 | pci_len0 = mem_len; | |
660 | } else { | |
661 | return -EIO; | |
662 | } | |
663 | ||
664 | dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20)); | |
665 | ||
666 | adapter->ahw.pci_base0 = mem_ptr0; | |
667 | adapter->ahw.pci_len0 = pci_len0; | |
668 | ||
2e9d722d AC |
669 | if (!qlcnic_get_driver_mode(adapter)) { |
670 | iounmap(adapter->ahw.pci_base0); | |
671 | return -EIO; | |
672 | } | |
673 | ||
af19b491 | 674 | adapter->ahw.ocm_win_crb = qlcnic_get_ioaddr(adapter, |
2e9d722d | 675 | QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(adapter->ahw.pci_func))); |
af19b491 AKS |
676 | |
677 | return 0; | |
678 | } | |
679 | ||
680 | static void get_brd_name(struct qlcnic_adapter *adapter, char *name) | |
681 | { | |
682 | struct pci_dev *pdev = adapter->pdev; | |
683 | int i, found = 0; | |
684 | ||
685 | for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) { | |
686 | if (qlcnic_boards[i].vendor == pdev->vendor && | |
687 | qlcnic_boards[i].device == pdev->device && | |
688 | qlcnic_boards[i].sub_vendor == pdev->subsystem_vendor && | |
689 | qlcnic_boards[i].sub_device == pdev->subsystem_device) { | |
02f6e46f SC |
690 | sprintf(name, "%pM: %s" , |
691 | adapter->mac_addr, | |
692 | qlcnic_boards[i].short_name); | |
af19b491 AKS |
693 | found = 1; |
694 | break; | |
695 | } | |
696 | ||
697 | } | |
698 | ||
699 | if (!found) | |
7f9a0c34 | 700 | sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr); |
af19b491 AKS |
701 | } |
702 | ||
703 | static void | |
704 | qlcnic_check_options(struct qlcnic_adapter *adapter) | |
705 | { | |
706 | u32 fw_major, fw_minor, fw_build; | |
707 | char brd_name[QLCNIC_MAX_BOARD_NAME_LEN]; | |
708 | char serial_num[32]; | |
709 | int i, offset, val; | |
710 | int *ptr32; | |
711 | struct pci_dev *pdev = adapter->pdev; | |
346fe763 | 712 | struct qlcnic_info nic_info; |
af19b491 AKS |
713 | adapter->driver_mismatch = 0; |
714 | ||
715 | ptr32 = (int *)&serial_num; | |
716 | offset = QLCNIC_FW_SERIAL_NUM_OFFSET; | |
717 | for (i = 0; i < 8; i++) { | |
718 | if (qlcnic_rom_fast_read(adapter, offset, &val) == -1) { | |
719 | dev_err(&pdev->dev, "error reading board info\n"); | |
720 | adapter->driver_mismatch = 1; | |
721 | return; | |
722 | } | |
723 | ptr32[i] = cpu_to_le32(val); | |
724 | offset += sizeof(u32); | |
725 | } | |
726 | ||
727 | fw_major = QLCRD32(adapter, QLCNIC_FW_VERSION_MAJOR); | |
728 | fw_minor = QLCRD32(adapter, QLCNIC_FW_VERSION_MINOR); | |
729 | fw_build = QLCRD32(adapter, QLCNIC_FW_VERSION_SUB); | |
730 | ||
731 | adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build); | |
732 | ||
733 | if (adapter->portnum == 0) { | |
734 | get_brd_name(adapter, brd_name); | |
735 | ||
736 | pr_info("%s: %s Board Chip rev 0x%x\n", | |
737 | module_name(THIS_MODULE), | |
738 | brd_name, adapter->ahw.revision_id); | |
739 | } | |
740 | ||
251a84c9 AKS |
741 | dev_info(&pdev->dev, "firmware v%d.%d.%d\n", |
742 | fw_major, fw_minor, fw_build); | |
af19b491 | 743 | |
af19b491 AKS |
744 | adapter->flags &= ~QLCNIC_LRO_ENABLED; |
745 | ||
746 | if (adapter->ahw.port_type == QLCNIC_XGBE) { | |
747 | adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G; | |
748 | adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; | |
749 | } else if (adapter->ahw.port_type == QLCNIC_GBE) { | |
750 | adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; | |
751 | adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; | |
752 | } | |
753 | ||
346fe763 RB |
754 | if (!qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw.pci_func)) { |
755 | adapter->physical_port = nic_info.phys_port; | |
756 | adapter->switch_mode = nic_info.switch_mode; | |
757 | adapter->max_tx_ques = nic_info.max_tx_ques; | |
758 | adapter->max_rx_ques = nic_info.max_rx_ques; | |
759 | adapter->capabilities = nic_info.capabilities; | |
760 | adapter->max_mac_filters = nic_info.max_mac_filters; | |
761 | adapter->max_mtu = nic_info.max_mtu; | |
762 | } | |
0e33c664 | 763 | |
af19b491 AKS |
764 | adapter->msix_supported = !!use_msi_x; |
765 | adapter->rss_supported = !!use_msi_x; | |
766 | ||
767 | adapter->num_txd = MAX_CMD_DESCRIPTORS; | |
768 | ||
af19b491 AKS |
769 | adapter->max_rds_rings = 2; |
770 | } | |
771 | ||
772 | static int | |
773 | qlcnic_start_firmware(struct qlcnic_adapter *adapter) | |
774 | { | |
775 | int val, err, first_boot; | |
776 | ||
aa5e18c0 SC |
777 | err = qlcnic_can_start_firmware(adapter); |
778 | if (err < 0) | |
779 | return err; | |
780 | else if (!err) | |
af19b491 AKS |
781 | goto wait_init; |
782 | ||
783 | first_boot = QLCRD32(adapter, QLCNIC_CAM_RAM(0x1fc)); | |
784 | if (first_boot == 0x55555555) | |
785 | /* This is the first boot after power up */ | |
786 | QLCWR32(adapter, QLCNIC_CAM_RAM(0x1fc), QLCNIC_BDINFO_MAGIC); | |
787 | ||
4d5bdb38 AKS |
788 | if (load_fw_file) |
789 | qlcnic_request_firmware(adapter); | |
8f891387 | 790 | else { |
791 | if (qlcnic_check_flash_fw_ver(adapter)) | |
792 | goto err_out; | |
793 | ||
4d5bdb38 | 794 | adapter->fw_type = QLCNIC_FLASH_ROMIMAGE; |
8f891387 | 795 | } |
af19b491 AKS |
796 | |
797 | err = qlcnic_need_fw_reset(adapter); | |
798 | if (err < 0) | |
799 | goto err_out; | |
800 | if (err == 0) | |
801 | goto wait_init; | |
802 | ||
803 | if (first_boot != 0x55555555) { | |
804 | QLCWR32(adapter, CRB_CMDPEG_STATE, 0); | |
900c6cff | 805 | QLCWR32(adapter, CRB_RCVPEG_STATE, 0); |
af19b491 AKS |
806 | qlcnic_pinit_from_rom(adapter); |
807 | msleep(1); | |
808 | } | |
809 | ||
af19b491 AKS |
810 | QLCWR32(adapter, QLCNIC_PEG_HALT_STATUS1, 0); |
811 | QLCWR32(adapter, QLCNIC_PEG_HALT_STATUS2, 0); | |
812 | ||
813 | qlcnic_set_port_mode(adapter); | |
814 | ||
815 | err = qlcnic_load_firmware(adapter); | |
816 | if (err) | |
817 | goto err_out; | |
818 | ||
819 | qlcnic_release_firmware(adapter); | |
820 | ||
821 | val = (_QLCNIC_LINUX_MAJOR << 16) | |
822 | | ((_QLCNIC_LINUX_MINOR << 8)) | |
823 | | (_QLCNIC_LINUX_SUBVERSION); | |
824 | QLCWR32(adapter, CRB_DRIVER_VERSION, val); | |
825 | ||
826 | wait_init: | |
827 | /* Handshake with the card before we register the devices. */ | |
900c6cff | 828 | err = qlcnic_init_firmware(adapter); |
af19b491 AKS |
829 | if (err) |
830 | goto err_out; | |
831 | ||
832 | QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY); | |
6df900e9 | 833 | qlcnic_idc_debug_info(adapter, 1); |
af19b491 | 834 | |
af19b491 AKS |
835 | qlcnic_check_options(adapter); |
836 | ||
0e33c664 AC |
837 | if (adapter->flags & QLCNIC_ESWITCH_ENABLED && |
838 | adapter->op_mode != QLCNIC_NON_PRIV_FUNC) | |
839 | qlcnic_dev_set_npar_ready(adapter); | |
2e9d722d | 840 | |
af19b491 AKS |
841 | adapter->need_fw_reset = 0; |
842 | ||
a7fc948f AKS |
843 | qlcnic_release_firmware(adapter); |
844 | return 0; | |
af19b491 AKS |
845 | |
846 | err_out: | |
a7fc948f AKS |
847 | QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED); |
848 | dev_err(&adapter->pdev->dev, "Device state set to failed\n"); | |
af19b491 AKS |
849 | qlcnic_release_firmware(adapter); |
850 | return err; | |
851 | } | |
852 | ||
853 | static int | |
854 | qlcnic_request_irq(struct qlcnic_adapter *adapter) | |
855 | { | |
856 | irq_handler_t handler; | |
857 | struct qlcnic_host_sds_ring *sds_ring; | |
858 | int err, ring; | |
859 | ||
860 | unsigned long flags = 0; | |
861 | struct net_device *netdev = adapter->netdev; | |
862 | struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx; | |
863 | ||
7eb9855d AKS |
864 | if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) { |
865 | handler = qlcnic_tmp_intr; | |
866 | if (!QLCNIC_IS_MSI_FAMILY(adapter)) | |
867 | flags |= IRQF_SHARED; | |
868 | ||
869 | } else { | |
870 | if (adapter->flags & QLCNIC_MSIX_ENABLED) | |
871 | handler = qlcnic_msix_intr; | |
872 | else if (adapter->flags & QLCNIC_MSI_ENABLED) | |
873 | handler = qlcnic_msi_intr; | |
874 | else { | |
875 | flags |= IRQF_SHARED; | |
876 | handler = qlcnic_intr; | |
877 | } | |
af19b491 AKS |
878 | } |
879 | adapter->irq = netdev->irq; | |
880 | ||
881 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
882 | sds_ring = &recv_ctx->sds_rings[ring]; | |
883 | sprintf(sds_ring->name, "%s[%d]", netdev->name, ring); | |
884 | err = request_irq(sds_ring->irq, handler, | |
885 | flags, sds_ring->name, sds_ring); | |
886 | if (err) | |
887 | return err; | |
888 | } | |
889 | ||
890 | return 0; | |
891 | } | |
892 | ||
893 | static void | |
894 | qlcnic_free_irq(struct qlcnic_adapter *adapter) | |
895 | { | |
896 | int ring; | |
897 | struct qlcnic_host_sds_ring *sds_ring; | |
898 | ||
899 | struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx; | |
900 | ||
901 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
902 | sds_ring = &recv_ctx->sds_rings[ring]; | |
903 | free_irq(sds_ring->irq, sds_ring); | |
904 | } | |
905 | } | |
906 | ||
907 | static void | |
908 | qlcnic_init_coalesce_defaults(struct qlcnic_adapter *adapter) | |
909 | { | |
910 | adapter->coal.flags = QLCNIC_INTR_DEFAULT; | |
911 | adapter->coal.normal.data.rx_time_us = | |
912 | QLCNIC_DEFAULT_INTR_COALESCE_RX_TIME_US; | |
913 | adapter->coal.normal.data.rx_packets = | |
914 | QLCNIC_DEFAULT_INTR_COALESCE_RX_PACKETS; | |
915 | adapter->coal.normal.data.tx_time_us = | |
916 | QLCNIC_DEFAULT_INTR_COALESCE_TX_TIME_US; | |
917 | adapter->coal.normal.data.tx_packets = | |
918 | QLCNIC_DEFAULT_INTR_COALESCE_TX_PACKETS; | |
919 | } | |
920 | ||
921 | static int | |
922 | __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) | |
923 | { | |
8a15ad1f AKS |
924 | int ring; |
925 | struct qlcnic_host_rds_ring *rds_ring; | |
926 | ||
af19b491 AKS |
927 | if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) |
928 | return -EIO; | |
929 | ||
8a15ad1f AKS |
930 | if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) |
931 | return 0; | |
932 | ||
933 | if (qlcnic_fw_create_ctx(adapter)) | |
934 | return -EIO; | |
935 | ||
936 | for (ring = 0; ring < adapter->max_rds_rings; ring++) { | |
937 | rds_ring = &adapter->recv_ctx.rds_rings[ring]; | |
938 | qlcnic_post_rx_buffers(adapter, ring, rds_ring); | |
939 | } | |
940 | ||
af19b491 AKS |
941 | qlcnic_set_multi(netdev); |
942 | qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu); | |
943 | ||
944 | adapter->ahw.linkup = 0; | |
945 | ||
946 | if (adapter->max_sds_rings > 1) | |
947 | qlcnic_config_rss(adapter, 1); | |
948 | ||
949 | qlcnic_config_intr_coalesce(adapter); | |
950 | ||
951 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) | |
952 | qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED); | |
953 | ||
954 | qlcnic_napi_enable(adapter); | |
955 | ||
956 | qlcnic_linkevent_request(adapter, 1); | |
957 | ||
68bf1c68 | 958 | adapter->reset_context = 0; |
af19b491 AKS |
959 | set_bit(__QLCNIC_DEV_UP, &adapter->state); |
960 | return 0; | |
961 | } | |
962 | ||
963 | /* Usage: During resume and firmware recovery module.*/ | |
964 | ||
965 | static int | |
966 | qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) | |
967 | { | |
968 | int err = 0; | |
969 | ||
970 | rtnl_lock(); | |
971 | if (netif_running(netdev)) | |
972 | err = __qlcnic_up(adapter, netdev); | |
973 | rtnl_unlock(); | |
974 | ||
975 | return err; | |
976 | } | |
977 | ||
978 | static void | |
979 | __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) | |
980 | { | |
981 | if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) | |
982 | return; | |
983 | ||
984 | if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state)) | |
985 | return; | |
986 | ||
987 | smp_mb(); | |
988 | spin_lock(&adapter->tx_clean_lock); | |
989 | netif_carrier_off(netdev); | |
990 | netif_tx_disable(netdev); | |
991 | ||
992 | qlcnic_free_mac_list(adapter); | |
993 | ||
994 | qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE); | |
995 | ||
996 | qlcnic_napi_disable(adapter); | |
997 | ||
8a15ad1f AKS |
998 | qlcnic_fw_destroy_ctx(adapter); |
999 | ||
1000 | qlcnic_reset_rx_buffers_list(adapter); | |
af19b491 AKS |
1001 | qlcnic_release_tx_buffers(adapter); |
1002 | spin_unlock(&adapter->tx_clean_lock); | |
1003 | } | |
1004 | ||
1005 | /* Usage: During suspend and firmware recovery module */ | |
1006 | ||
1007 | static void | |
1008 | qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) | |
1009 | { | |
1010 | rtnl_lock(); | |
1011 | if (netif_running(netdev)) | |
1012 | __qlcnic_down(adapter, netdev); | |
1013 | rtnl_unlock(); | |
1014 | ||
1015 | } | |
1016 | ||
1017 | static int | |
1018 | qlcnic_attach(struct qlcnic_adapter *adapter) | |
1019 | { | |
1020 | struct net_device *netdev = adapter->netdev; | |
1021 | struct pci_dev *pdev = adapter->pdev; | |
8a15ad1f | 1022 | int err; |
af19b491 AKS |
1023 | |
1024 | if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) | |
1025 | return 0; | |
1026 | ||
af19b491 AKS |
1027 | err = qlcnic_napi_add(adapter, netdev); |
1028 | if (err) | |
1029 | return err; | |
1030 | ||
1031 | err = qlcnic_alloc_sw_resources(adapter); | |
1032 | if (err) { | |
1033 | dev_err(&pdev->dev, "Error in setting sw resources\n"); | |
8a15ad1f | 1034 | goto err_out_napi_del; |
af19b491 AKS |
1035 | } |
1036 | ||
1037 | err = qlcnic_alloc_hw_resources(adapter); | |
1038 | if (err) { | |
1039 | dev_err(&pdev->dev, "Error in setting hw resources\n"); | |
1040 | goto err_out_free_sw; | |
1041 | } | |
1042 | ||
af19b491 AKS |
1043 | err = qlcnic_request_irq(adapter); |
1044 | if (err) { | |
1045 | dev_err(&pdev->dev, "failed to setup interrupt\n"); | |
8a15ad1f | 1046 | goto err_out_free_hw; |
af19b491 AKS |
1047 | } |
1048 | ||
1049 | qlcnic_init_coalesce_defaults(adapter); | |
1050 | ||
1051 | qlcnic_create_sysfs_entries(adapter); | |
1052 | ||
1053 | adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC; | |
1054 | return 0; | |
1055 | ||
8a15ad1f | 1056 | err_out_free_hw: |
af19b491 AKS |
1057 | qlcnic_free_hw_resources(adapter); |
1058 | err_out_free_sw: | |
1059 | qlcnic_free_sw_resources(adapter); | |
8a15ad1f AKS |
1060 | err_out_napi_del: |
1061 | qlcnic_napi_del(adapter); | |
af19b491 AKS |
1062 | return err; |
1063 | } | |
1064 | ||
1065 | static void | |
1066 | qlcnic_detach(struct qlcnic_adapter *adapter) | |
1067 | { | |
1068 | if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) | |
1069 | return; | |
1070 | ||
1071 | qlcnic_remove_sysfs_entries(adapter); | |
1072 | ||
1073 | qlcnic_free_hw_resources(adapter); | |
1074 | qlcnic_release_rx_buffers(adapter); | |
1075 | qlcnic_free_irq(adapter); | |
1076 | qlcnic_napi_del(adapter); | |
1077 | qlcnic_free_sw_resources(adapter); | |
1078 | ||
1079 | adapter->is_up = 0; | |
1080 | } | |
1081 | ||
7eb9855d AKS |
1082 | void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings) |
1083 | { | |
1084 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
1085 | struct qlcnic_host_sds_ring *sds_ring; | |
1086 | int ring; | |
1087 | ||
78ad3892 | 1088 | clear_bit(__QLCNIC_DEV_UP, &adapter->state); |
cdaff185 AKS |
1089 | if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) { |
1090 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
1091 | sds_ring = &adapter->recv_ctx.sds_rings[ring]; | |
1092 | qlcnic_disable_int(sds_ring); | |
1093 | } | |
7eb9855d AKS |
1094 | } |
1095 | ||
8a15ad1f AKS |
1096 | qlcnic_fw_destroy_ctx(adapter); |
1097 | ||
7eb9855d AKS |
1098 | qlcnic_detach(adapter); |
1099 | ||
1100 | adapter->diag_test = 0; | |
1101 | adapter->max_sds_rings = max_sds_rings; | |
1102 | ||
1103 | if (qlcnic_attach(adapter)) | |
34ce3626 | 1104 | goto out; |
7eb9855d AKS |
1105 | |
1106 | if (netif_running(netdev)) | |
1107 | __qlcnic_up(adapter, netdev); | |
34ce3626 | 1108 | out: |
7eb9855d AKS |
1109 | netif_device_attach(netdev); |
1110 | } | |
1111 | ||
1112 | int qlcnic_diag_alloc_res(struct net_device *netdev, int test) | |
1113 | { | |
1114 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
1115 | struct qlcnic_host_sds_ring *sds_ring; | |
8a15ad1f | 1116 | struct qlcnic_host_rds_ring *rds_ring; |
7eb9855d AKS |
1117 | int ring; |
1118 | int ret; | |
1119 | ||
1120 | netif_device_detach(netdev); | |
1121 | ||
1122 | if (netif_running(netdev)) | |
1123 | __qlcnic_down(adapter, netdev); | |
1124 | ||
1125 | qlcnic_detach(adapter); | |
1126 | ||
1127 | adapter->max_sds_rings = 1; | |
1128 | adapter->diag_test = test; | |
1129 | ||
1130 | ret = qlcnic_attach(adapter); | |
34ce3626 AKS |
1131 | if (ret) { |
1132 | netif_device_attach(netdev); | |
7eb9855d | 1133 | return ret; |
34ce3626 | 1134 | } |
7eb9855d | 1135 | |
8a15ad1f AKS |
1136 | ret = qlcnic_fw_create_ctx(adapter); |
1137 | if (ret) { | |
1138 | qlcnic_detach(adapter); | |
1139 | return ret; | |
1140 | } | |
1141 | ||
1142 | for (ring = 0; ring < adapter->max_rds_rings; ring++) { | |
1143 | rds_ring = &adapter->recv_ctx.rds_rings[ring]; | |
1144 | qlcnic_post_rx_buffers(adapter, ring, rds_ring); | |
1145 | } | |
1146 | ||
cdaff185 AKS |
1147 | if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) { |
1148 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
1149 | sds_ring = &adapter->recv_ctx.sds_rings[ring]; | |
1150 | qlcnic_enable_int(sds_ring); | |
1151 | } | |
7eb9855d | 1152 | } |
78ad3892 | 1153 | set_bit(__QLCNIC_DEV_UP, &adapter->state); |
7eb9855d AKS |
1154 | |
1155 | return 0; | |
1156 | } | |
1157 | ||
68bf1c68 AKS |
1158 | /* Reset context in hardware only */ |
1159 | static int | |
1160 | qlcnic_reset_hw_context(struct qlcnic_adapter *adapter) | |
1161 | { | |
1162 | struct net_device *netdev = adapter->netdev; | |
1163 | ||
1164 | if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) | |
1165 | return -EBUSY; | |
1166 | ||
1167 | netif_device_detach(netdev); | |
1168 | ||
1169 | qlcnic_down(adapter, netdev); | |
1170 | ||
1171 | qlcnic_up(adapter, netdev); | |
1172 | ||
1173 | netif_device_attach(netdev); | |
1174 | ||
1175 | clear_bit(__QLCNIC_RESETTING, &adapter->state); | |
1176 | return 0; | |
1177 | } | |
1178 | ||
af19b491 AKS |
1179 | int |
1180 | qlcnic_reset_context(struct qlcnic_adapter *adapter) | |
1181 | { | |
1182 | int err = 0; | |
1183 | struct net_device *netdev = adapter->netdev; | |
1184 | ||
1185 | if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) | |
1186 | return -EBUSY; | |
1187 | ||
1188 | if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) { | |
1189 | ||
1190 | netif_device_detach(netdev); | |
1191 | ||
1192 | if (netif_running(netdev)) | |
1193 | __qlcnic_down(adapter, netdev); | |
1194 | ||
1195 | qlcnic_detach(adapter); | |
1196 | ||
1197 | if (netif_running(netdev)) { | |
1198 | err = qlcnic_attach(adapter); | |
1199 | if (!err) | |
34ce3626 | 1200 | __qlcnic_up(adapter, netdev); |
af19b491 AKS |
1201 | } |
1202 | ||
1203 | netif_device_attach(netdev); | |
1204 | } | |
1205 | ||
af19b491 AKS |
1206 | clear_bit(__QLCNIC_RESETTING, &adapter->state); |
1207 | return err; | |
1208 | } | |
1209 | ||
1210 | static int | |
1211 | qlcnic_setup_netdev(struct qlcnic_adapter *adapter, | |
1bb09fb9 | 1212 | struct net_device *netdev, u8 pci_using_dac) |
af19b491 AKS |
1213 | { |
1214 | int err; | |
1215 | struct pci_dev *pdev = adapter->pdev; | |
1216 | ||
1217 | adapter->rx_csum = 1; | |
1218 | adapter->mc_enabled = 0; | |
1219 | adapter->max_mc_count = 38; | |
1220 | ||
1221 | netdev->netdev_ops = &qlcnic_netdev_ops; | |
ef71ff83 | 1222 | netdev->watchdog_timeo = 5*HZ; |
af19b491 AKS |
1223 | |
1224 | qlcnic_change_mtu(netdev, netdev->mtu); | |
1225 | ||
1226 | SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops); | |
1227 | ||
2e9d722d | 1228 | netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | |
ac8d0c4f | 1229 | NETIF_F_IPV6_CSUM | NETIF_F_GRO); |
2e9d722d | 1230 | netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | |
ac8d0c4f AC |
1231 | NETIF_F_IPV6_CSUM); |
1232 | ||
1233 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_TSO) { | |
1234 | netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6); | |
1235 | netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6); | |
1236 | } | |
af19b491 | 1237 | |
1bb09fb9 | 1238 | if (pci_using_dac) { |
af19b491 AKS |
1239 | netdev->features |= NETIF_F_HIGHDMA; |
1240 | netdev->vlan_features |= NETIF_F_HIGHDMA; | |
1241 | } | |
1242 | ||
1243 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX) | |
1244 | netdev->features |= (NETIF_F_HW_VLAN_TX); | |
1245 | ||
1246 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) | |
1247 | netdev->features |= NETIF_F_LRO; | |
1248 | ||
1249 | netdev->irq = adapter->msix_entries[0].vector; | |
1250 | ||
af19b491 AKS |
1251 | if (qlcnic_read_mac_addr(adapter)) |
1252 | dev_warn(&pdev->dev, "failed to read mac addr\n"); | |
1253 | ||
1254 | netif_carrier_off(netdev); | |
1255 | netif_stop_queue(netdev); | |
1256 | ||
1257 | err = register_netdev(netdev); | |
1258 | if (err) { | |
1259 | dev_err(&pdev->dev, "failed to register net device\n"); | |
1260 | return err; | |
1261 | } | |
1262 | ||
1263 | return 0; | |
1264 | } | |
1265 | ||
1bb09fb9 AKS |
1266 | static int qlcnic_set_dma_mask(struct pci_dev *pdev, u8 *pci_using_dac) |
1267 | { | |
1268 | if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && | |
1269 | !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) | |
1270 | *pci_using_dac = 1; | |
1271 | else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) && | |
1272 | !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) | |
1273 | *pci_using_dac = 0; | |
1274 | else { | |
1275 | dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n"); | |
1276 | return -EIO; | |
1277 | } | |
1278 | ||
1279 | return 0; | |
1280 | } | |
1281 | ||
af19b491 AKS |
1282 | static int __devinit |
1283 | qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) | |
1284 | { | |
1285 | struct net_device *netdev = NULL; | |
1286 | struct qlcnic_adapter *adapter = NULL; | |
1287 | int err; | |
af19b491 | 1288 | uint8_t revision_id; |
1bb09fb9 | 1289 | uint8_t pci_using_dac; |
af19b491 AKS |
1290 | |
1291 | err = pci_enable_device(pdev); | |
1292 | if (err) | |
1293 | return err; | |
1294 | ||
1295 | if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { | |
1296 | err = -ENODEV; | |
1297 | goto err_out_disable_pdev; | |
1298 | } | |
1299 | ||
1bb09fb9 AKS |
1300 | err = qlcnic_set_dma_mask(pdev, &pci_using_dac); |
1301 | if (err) | |
1302 | goto err_out_disable_pdev; | |
1303 | ||
af19b491 AKS |
1304 | err = pci_request_regions(pdev, qlcnic_driver_name); |
1305 | if (err) | |
1306 | goto err_out_disable_pdev; | |
1307 | ||
1308 | pci_set_master(pdev); | |
1309 | ||
1310 | netdev = alloc_etherdev(sizeof(struct qlcnic_adapter)); | |
1311 | if (!netdev) { | |
1312 | dev_err(&pdev->dev, "failed to allocate net_device\n"); | |
1313 | err = -ENOMEM; | |
1314 | goto err_out_free_res; | |
1315 | } | |
1316 | ||
1317 | SET_NETDEV_DEV(netdev, &pdev->dev); | |
1318 | ||
1319 | adapter = netdev_priv(netdev); | |
1320 | adapter->netdev = netdev; | |
1321 | adapter->pdev = pdev; | |
6df900e9 | 1322 | adapter->dev_rst_time = jiffies; |
af19b491 AKS |
1323 | |
1324 | revision_id = pdev->revision; | |
1325 | adapter->ahw.revision_id = revision_id; | |
1326 | ||
1327 | rwlock_init(&adapter->ahw.crb_lock); | |
1328 | mutex_init(&adapter->ahw.mem_lock); | |
1329 | ||
1330 | spin_lock_init(&adapter->tx_clean_lock); | |
1331 | INIT_LIST_HEAD(&adapter->mac_list); | |
1332 | ||
1333 | err = qlcnic_setup_pci_map(adapter); | |
1334 | if (err) | |
1335 | goto err_out_free_netdev; | |
1336 | ||
1337 | /* This will be reset for mezz cards */ | |
2e9d722d | 1338 | adapter->portnum = adapter->ahw.pci_func; |
af19b491 AKS |
1339 | |
1340 | err = qlcnic_get_board_info(adapter); | |
1341 | if (err) { | |
1342 | dev_err(&pdev->dev, "Error getting board config info.\n"); | |
1343 | goto err_out_iounmap; | |
1344 | } | |
1345 | ||
02f6e46f SC |
1346 | if (qlcnic_read_mac_addr(adapter)) |
1347 | dev_warn(&pdev->dev, "failed to read mac addr\n"); | |
1348 | ||
b3a24649 SC |
1349 | if (qlcnic_setup_idc_param(adapter)) |
1350 | goto err_out_iounmap; | |
af19b491 | 1351 | |
9f26f547 | 1352 | err = adapter->nic_ops->start_firmware(adapter); |
a7fc948f AKS |
1353 | if (err) { |
1354 | dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"); | |
af19b491 | 1355 | goto err_out_decr_ref; |
a7fc948f | 1356 | } |
af19b491 | 1357 | |
af19b491 AKS |
1358 | qlcnic_clear_stats(adapter); |
1359 | ||
1360 | qlcnic_setup_intr(adapter); | |
1361 | ||
1bb09fb9 | 1362 | err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac); |
af19b491 AKS |
1363 | if (err) |
1364 | goto err_out_disable_msi; | |
1365 | ||
1366 | pci_set_drvdata(pdev, adapter); | |
1367 | ||
1368 | qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); | |
1369 | ||
1370 | switch (adapter->ahw.port_type) { | |
1371 | case QLCNIC_GBE: | |
1372 | dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", | |
1373 | adapter->netdev->name); | |
1374 | break; | |
1375 | case QLCNIC_XGBE: | |
1376 | dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", | |
1377 | adapter->netdev->name); | |
1378 | break; | |
1379 | } | |
1380 | ||
1381 | qlcnic_create_diag_entries(adapter); | |
1382 | ||
1383 | return 0; | |
1384 | ||
1385 | err_out_disable_msi: | |
1386 | qlcnic_teardown_intr(adapter); | |
1387 | ||
1388 | err_out_decr_ref: | |
1389 | qlcnic_clr_all_drv_state(adapter); | |
1390 | ||
1391 | err_out_iounmap: | |
1392 | qlcnic_cleanup_pci_map(adapter); | |
1393 | ||
1394 | err_out_free_netdev: | |
1395 | free_netdev(netdev); | |
1396 | ||
1397 | err_out_free_res: | |
1398 | pci_release_regions(pdev); | |
1399 | ||
1400 | err_out_disable_pdev: | |
1401 | pci_set_drvdata(pdev, NULL); | |
1402 | pci_disable_device(pdev); | |
1403 | return err; | |
1404 | } | |
1405 | ||
1406 | static void __devexit qlcnic_remove(struct pci_dev *pdev) | |
1407 | { | |
1408 | struct qlcnic_adapter *adapter; | |
1409 | struct net_device *netdev; | |
1410 | ||
1411 | adapter = pci_get_drvdata(pdev); | |
1412 | if (adapter == NULL) | |
1413 | return; | |
1414 | ||
1415 | netdev = adapter->netdev; | |
1416 | ||
1417 | qlcnic_cancel_fw_work(adapter); | |
1418 | ||
1419 | unregister_netdev(netdev); | |
1420 | ||
af19b491 AKS |
1421 | qlcnic_detach(adapter); |
1422 | ||
2e9d722d AC |
1423 | if (adapter->npars != NULL) |
1424 | kfree(adapter->npars); | |
1425 | if (adapter->eswitch != NULL) | |
1426 | kfree(adapter->eswitch); | |
1427 | ||
af19b491 AKS |
1428 | qlcnic_clr_all_drv_state(adapter); |
1429 | ||
1430 | clear_bit(__QLCNIC_RESETTING, &adapter->state); | |
1431 | ||
1432 | qlcnic_teardown_intr(adapter); | |
1433 | ||
1434 | qlcnic_remove_diag_entries(adapter); | |
1435 | ||
1436 | qlcnic_cleanup_pci_map(adapter); | |
1437 | ||
1438 | qlcnic_release_firmware(adapter); | |
1439 | ||
1440 | pci_release_regions(pdev); | |
1441 | pci_disable_device(pdev); | |
1442 | pci_set_drvdata(pdev, NULL); | |
1443 | ||
1444 | free_netdev(netdev); | |
1445 | } | |
1446 | static int __qlcnic_shutdown(struct pci_dev *pdev) | |
1447 | { | |
1448 | struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); | |
1449 | struct net_device *netdev = adapter->netdev; | |
1450 | int retval; | |
1451 | ||
1452 | netif_device_detach(netdev); | |
1453 | ||
1454 | qlcnic_cancel_fw_work(adapter); | |
1455 | ||
1456 | if (netif_running(netdev)) | |
1457 | qlcnic_down(adapter, netdev); | |
1458 | ||
af19b491 AKS |
1459 | qlcnic_clr_all_drv_state(adapter); |
1460 | ||
1461 | clear_bit(__QLCNIC_RESETTING, &adapter->state); | |
1462 | ||
1463 | retval = pci_save_state(pdev); | |
1464 | if (retval) | |
1465 | return retval; | |
1466 | ||
1467 | if (qlcnic_wol_supported(adapter)) { | |
1468 | pci_enable_wake(pdev, PCI_D3cold, 1); | |
1469 | pci_enable_wake(pdev, PCI_D3hot, 1); | |
1470 | } | |
1471 | ||
1472 | return 0; | |
1473 | } | |
1474 | ||
1475 | static void qlcnic_shutdown(struct pci_dev *pdev) | |
1476 | { | |
1477 | if (__qlcnic_shutdown(pdev)) | |
1478 | return; | |
1479 | ||
1480 | pci_disable_device(pdev); | |
1481 | } | |
1482 | ||
1483 | #ifdef CONFIG_PM | |
1484 | static int | |
1485 | qlcnic_suspend(struct pci_dev *pdev, pm_message_t state) | |
1486 | { | |
1487 | int retval; | |
1488 | ||
1489 | retval = __qlcnic_shutdown(pdev); | |
1490 | if (retval) | |
1491 | return retval; | |
1492 | ||
1493 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); | |
1494 | return 0; | |
1495 | } | |
1496 | ||
1497 | static int | |
1498 | qlcnic_resume(struct pci_dev *pdev) | |
1499 | { | |
1500 | struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); | |
1501 | struct net_device *netdev = adapter->netdev; | |
1502 | int err; | |
1503 | ||
1504 | err = pci_enable_device(pdev); | |
1505 | if (err) | |
1506 | return err; | |
1507 | ||
1508 | pci_set_power_state(pdev, PCI_D0); | |
1509 | pci_set_master(pdev); | |
1510 | pci_restore_state(pdev); | |
1511 | ||
9f26f547 | 1512 | err = adapter->nic_ops->start_firmware(adapter); |
af19b491 AKS |
1513 | if (err) { |
1514 | dev_err(&pdev->dev, "failed to start firmware\n"); | |
1515 | return err; | |
1516 | } | |
1517 | ||
1518 | if (netif_running(netdev)) { | |
af19b491 AKS |
1519 | err = qlcnic_up(adapter, netdev); |
1520 | if (err) | |
52486a3a | 1521 | goto done; |
af19b491 AKS |
1522 | |
1523 | qlcnic_config_indev_addr(netdev, NETDEV_UP); | |
1524 | } | |
52486a3a | 1525 | done: |
af19b491 AKS |
1526 | netif_device_attach(netdev); |
1527 | qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); | |
1528 | return 0; | |
af19b491 AKS |
1529 | } |
1530 | #endif | |
1531 | ||
1532 | static int qlcnic_open(struct net_device *netdev) | |
1533 | { | |
1534 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
1535 | int err; | |
1536 | ||
1537 | if (adapter->driver_mismatch) | |
1538 | return -EIO; | |
1539 | ||
1540 | err = qlcnic_attach(adapter); | |
1541 | if (err) | |
1542 | return err; | |
1543 | ||
1544 | err = __qlcnic_up(adapter, netdev); | |
1545 | if (err) | |
1546 | goto err_out; | |
1547 | ||
1548 | netif_start_queue(netdev); | |
1549 | ||
1550 | return 0; | |
1551 | ||
1552 | err_out: | |
1553 | qlcnic_detach(adapter); | |
1554 | return err; | |
1555 | } | |
1556 | ||
1557 | /* | |
1558 | * qlcnic_close - Disables a network interface entry point | |
1559 | */ | |
1560 | static int qlcnic_close(struct net_device *netdev) | |
1561 | { | |
1562 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
1563 | ||
1564 | __qlcnic_down(adapter, netdev); | |
1565 | return 0; | |
1566 | } | |
1567 | ||
1568 | static void | |
1569 | qlcnic_tso_check(struct net_device *netdev, | |
1570 | struct qlcnic_host_tx_ring *tx_ring, | |
1571 | struct cmd_desc_type0 *first_desc, | |
1572 | struct sk_buff *skb) | |
1573 | { | |
1574 | u8 opcode = TX_ETHER_PKT; | |
1575 | __be16 protocol = skb->protocol; | |
1576 | u16 flags = 0, vid = 0; | |
af19b491 AKS |
1577 | int copied, offset, copy_len, hdr_len = 0, tso = 0, vlan_oob = 0; |
1578 | struct cmd_desc_type0 *hwdesc; | |
1579 | struct vlan_ethhdr *vh; | |
8bfe8b91 | 1580 | struct qlcnic_adapter *adapter = netdev_priv(netdev); |
2e9d722d | 1581 | u32 producer = tx_ring->producer; |
af19b491 AKS |
1582 | |
1583 | if (protocol == cpu_to_be16(ETH_P_8021Q)) { | |
1584 | ||
1585 | vh = (struct vlan_ethhdr *)skb->data; | |
1586 | protocol = vh->h_vlan_encapsulated_proto; | |
1587 | flags = FLAGS_VLAN_TAGGED; | |
1588 | ||
1589 | } else if (vlan_tx_tag_present(skb)) { | |
1590 | ||
1591 | flags = FLAGS_VLAN_OOB; | |
1592 | vid = vlan_tx_tag_get(skb); | |
1593 | qlcnic_set_tx_vlan_tci(first_desc, vid); | |
1594 | vlan_oob = 1; | |
1595 | } | |
1596 | ||
2e9d722d AC |
1597 | if (*(skb->data) & BIT_0) { |
1598 | flags |= BIT_0; | |
1599 | memcpy(&first_desc->eth_addr, skb->data, ETH_ALEN); | |
1600 | } | |
1601 | ||
af19b491 AKS |
1602 | if ((netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) && |
1603 | skb_shinfo(skb)->gso_size > 0) { | |
1604 | ||
1605 | hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); | |
1606 | ||
1607 | first_desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size); | |
1608 | first_desc->total_hdr_length = hdr_len; | |
1609 | if (vlan_oob) { | |
1610 | first_desc->total_hdr_length += VLAN_HLEN; | |
1611 | first_desc->tcp_hdr_offset = VLAN_HLEN; | |
1612 | first_desc->ip_hdr_offset = VLAN_HLEN; | |
1613 | /* Only in case of TSO on vlan device */ | |
1614 | flags |= FLAGS_VLAN_TAGGED; | |
1615 | } | |
1616 | ||
1617 | opcode = (protocol == cpu_to_be16(ETH_P_IPV6)) ? | |
1618 | TX_TCP_LSO6 : TX_TCP_LSO; | |
1619 | tso = 1; | |
1620 | ||
1621 | } else if (skb->ip_summed == CHECKSUM_PARTIAL) { | |
1622 | u8 l4proto; | |
1623 | ||
1624 | if (protocol == cpu_to_be16(ETH_P_IP)) { | |
1625 | l4proto = ip_hdr(skb)->protocol; | |
1626 | ||
1627 | if (l4proto == IPPROTO_TCP) | |
1628 | opcode = TX_TCP_PKT; | |
1629 | else if (l4proto == IPPROTO_UDP) | |
1630 | opcode = TX_UDP_PKT; | |
1631 | } else if (protocol == cpu_to_be16(ETH_P_IPV6)) { | |
1632 | l4proto = ipv6_hdr(skb)->nexthdr; | |
1633 | ||
1634 | if (l4proto == IPPROTO_TCP) | |
1635 | opcode = TX_TCPV6_PKT; | |
1636 | else if (l4proto == IPPROTO_UDP) | |
1637 | opcode = TX_UDPV6_PKT; | |
1638 | } | |
1639 | } | |
1640 | ||
1641 | first_desc->tcp_hdr_offset += skb_transport_offset(skb); | |
1642 | first_desc->ip_hdr_offset += skb_network_offset(skb); | |
1643 | qlcnic_set_tx_flags_opcode(first_desc, flags, opcode); | |
1644 | ||
1645 | if (!tso) | |
1646 | return; | |
1647 | ||
1648 | /* For LSO, we need to copy the MAC/IP/TCP headers into | |
1649 | * the descriptor ring | |
1650 | */ | |
af19b491 AKS |
1651 | copied = 0; |
1652 | offset = 2; | |
1653 | ||
1654 | if (vlan_oob) { | |
1655 | /* Create a TSO vlan header template for firmware */ | |
1656 | ||
1657 | hwdesc = &tx_ring->desc_head[producer]; | |
1658 | tx_ring->cmd_buf_arr[producer].skb = NULL; | |
1659 | ||
1660 | copy_len = min((int)sizeof(struct cmd_desc_type0) - offset, | |
1661 | hdr_len + VLAN_HLEN); | |
1662 | ||
1663 | vh = (struct vlan_ethhdr *)((char *)hwdesc + 2); | |
1664 | skb_copy_from_linear_data(skb, vh, 12); | |
1665 | vh->h_vlan_proto = htons(ETH_P_8021Q); | |
1666 | vh->h_vlan_TCI = htons(vid); | |
1667 | skb_copy_from_linear_data_offset(skb, 12, | |
1668 | (char *)vh + 16, copy_len - 16); | |
1669 | ||
1670 | copied = copy_len - VLAN_HLEN; | |
1671 | offset = 0; | |
1672 | ||
1673 | producer = get_next_index(producer, tx_ring->num_desc); | |
1674 | } | |
1675 | ||
1676 | while (copied < hdr_len) { | |
1677 | ||
1678 | copy_len = min((int)sizeof(struct cmd_desc_type0) - offset, | |
1679 | (hdr_len - copied)); | |
1680 | ||
1681 | hwdesc = &tx_ring->desc_head[producer]; | |
1682 | tx_ring->cmd_buf_arr[producer].skb = NULL; | |
1683 | ||
1684 | skb_copy_from_linear_data_offset(skb, copied, | |
1685 | (char *)hwdesc + offset, copy_len); | |
1686 | ||
1687 | copied += copy_len; | |
1688 | offset = 0; | |
1689 | ||
1690 | producer = get_next_index(producer, tx_ring->num_desc); | |
1691 | } | |
1692 | ||
1693 | tx_ring->producer = producer; | |
1694 | barrier(); | |
8bfe8b91 | 1695 | adapter->stats.lso_frames++; |
af19b491 AKS |
1696 | } |
1697 | ||
1698 | static int | |
1699 | qlcnic_map_tx_skb(struct pci_dev *pdev, | |
1700 | struct sk_buff *skb, struct qlcnic_cmd_buffer *pbuf) | |
1701 | { | |
1702 | struct qlcnic_skb_frag *nf; | |
1703 | struct skb_frag_struct *frag; | |
1704 | int i, nr_frags; | |
1705 | dma_addr_t map; | |
1706 | ||
1707 | nr_frags = skb_shinfo(skb)->nr_frags; | |
1708 | nf = &pbuf->frag_array[0]; | |
1709 | ||
1710 | map = pci_map_single(pdev, skb->data, | |
1711 | skb_headlen(skb), PCI_DMA_TODEVICE); | |
1712 | if (pci_dma_mapping_error(pdev, map)) | |
1713 | goto out_err; | |
1714 | ||
1715 | nf->dma = map; | |
1716 | nf->length = skb_headlen(skb); | |
1717 | ||
1718 | for (i = 0; i < nr_frags; i++) { | |
1719 | frag = &skb_shinfo(skb)->frags[i]; | |
1720 | nf = &pbuf->frag_array[i+1]; | |
1721 | ||
1722 | map = pci_map_page(pdev, frag->page, frag->page_offset, | |
1723 | frag->size, PCI_DMA_TODEVICE); | |
1724 | if (pci_dma_mapping_error(pdev, map)) | |
1725 | goto unwind; | |
1726 | ||
1727 | nf->dma = map; | |
1728 | nf->length = frag->size; | |
1729 | } | |
1730 | ||
1731 | return 0; | |
1732 | ||
1733 | unwind: | |
1734 | while (--i >= 0) { | |
1735 | nf = &pbuf->frag_array[i+1]; | |
1736 | pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE); | |
1737 | } | |
1738 | ||
1739 | nf = &pbuf->frag_array[0]; | |
1740 | pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE); | |
1741 | ||
1742 | out_err: | |
1743 | return -ENOMEM; | |
1744 | } | |
1745 | ||
1746 | static inline void | |
1747 | qlcnic_clear_cmddesc(u64 *desc) | |
1748 | { | |
1749 | desc[0] = 0ULL; | |
1750 | desc[2] = 0ULL; | |
1751 | } | |
1752 | ||
cdaff185 | 1753 | netdev_tx_t |
af19b491 AKS |
1754 | qlcnic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) |
1755 | { | |
1756 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
1757 | struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring; | |
1758 | struct qlcnic_cmd_buffer *pbuf; | |
1759 | struct qlcnic_skb_frag *buffrag; | |
1760 | struct cmd_desc_type0 *hwdesc, *first_desc; | |
1761 | struct pci_dev *pdev; | |
1762 | int i, k; | |
1763 | ||
1764 | u32 producer; | |
1765 | int frag_count, no_of_desc; | |
1766 | u32 num_txd = tx_ring->num_desc; | |
1767 | ||
780ab790 AKS |
1768 | if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) { |
1769 | netif_stop_queue(netdev); | |
1770 | return NETDEV_TX_BUSY; | |
1771 | } | |
1772 | ||
af19b491 AKS |
1773 | frag_count = skb_shinfo(skb)->nr_frags + 1; |
1774 | ||
1775 | /* 4 fragments per cmd des */ | |
1776 | no_of_desc = (frag_count + 3) >> 2; | |
1777 | ||
ef71ff83 | 1778 | if (unlikely(qlcnic_tx_avail(tx_ring) <= TX_STOP_THRESH)) { |
af19b491 | 1779 | netif_stop_queue(netdev); |
ef71ff83 RB |
1780 | smp_mb(); |
1781 | if (qlcnic_tx_avail(tx_ring) > TX_STOP_THRESH) | |
1782 | netif_start_queue(netdev); | |
1783 | else { | |
1784 | adapter->stats.xmit_off++; | |
1785 | return NETDEV_TX_BUSY; | |
1786 | } | |
af19b491 AKS |
1787 | } |
1788 | ||
1789 | producer = tx_ring->producer; | |
1790 | pbuf = &tx_ring->cmd_buf_arr[producer]; | |
1791 | ||
1792 | pdev = adapter->pdev; | |
1793 | ||
8ae6df97 AKS |
1794 | if (qlcnic_map_tx_skb(pdev, skb, pbuf)) { |
1795 | adapter->stats.tx_dma_map_error++; | |
af19b491 | 1796 | goto drop_packet; |
8ae6df97 | 1797 | } |
af19b491 AKS |
1798 | |
1799 | pbuf->skb = skb; | |
1800 | pbuf->frag_count = frag_count; | |
1801 | ||
1802 | first_desc = hwdesc = &tx_ring->desc_head[producer]; | |
1803 | qlcnic_clear_cmddesc((u64 *)hwdesc); | |
1804 | ||
1805 | qlcnic_set_tx_frags_len(first_desc, frag_count, skb->len); | |
1806 | qlcnic_set_tx_port(first_desc, adapter->portnum); | |
1807 | ||
1808 | for (i = 0; i < frag_count; i++) { | |
1809 | ||
1810 | k = i % 4; | |
1811 | ||
1812 | if ((k == 0) && (i > 0)) { | |
1813 | /* move to next desc.*/ | |
1814 | producer = get_next_index(producer, num_txd); | |
1815 | hwdesc = &tx_ring->desc_head[producer]; | |
1816 | qlcnic_clear_cmddesc((u64 *)hwdesc); | |
1817 | tx_ring->cmd_buf_arr[producer].skb = NULL; | |
1818 | } | |
1819 | ||
1820 | buffrag = &pbuf->frag_array[i]; | |
1821 | ||
1822 | hwdesc->buffer_length[k] = cpu_to_le16(buffrag->length); | |
1823 | switch (k) { | |
1824 | case 0: | |
1825 | hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma); | |
1826 | break; | |
1827 | case 1: | |
1828 | hwdesc->addr_buffer2 = cpu_to_le64(buffrag->dma); | |
1829 | break; | |
1830 | case 2: | |
1831 | hwdesc->addr_buffer3 = cpu_to_le64(buffrag->dma); | |
1832 | break; | |
1833 | case 3: | |
1834 | hwdesc->addr_buffer4 = cpu_to_le64(buffrag->dma); | |
1835 | break; | |
1836 | } | |
1837 | } | |
1838 | ||
1839 | tx_ring->producer = get_next_index(producer, num_txd); | |
1840 | ||
1841 | qlcnic_tso_check(netdev, tx_ring, first_desc, skb); | |
1842 | ||
1843 | qlcnic_update_cmd_producer(adapter, tx_ring); | |
1844 | ||
1845 | adapter->stats.txbytes += skb->len; | |
1846 | adapter->stats.xmitcalled++; | |
1847 | ||
1848 | return NETDEV_TX_OK; | |
1849 | ||
1850 | drop_packet: | |
1851 | adapter->stats.txdropped++; | |
1852 | dev_kfree_skb_any(skb); | |
1853 | return NETDEV_TX_OK; | |
1854 | } | |
1855 | ||
1856 | static int qlcnic_check_temp(struct qlcnic_adapter *adapter) | |
1857 | { | |
1858 | struct net_device *netdev = adapter->netdev; | |
1859 | u32 temp, temp_state, temp_val; | |
1860 | int rv = 0; | |
1861 | ||
1862 | temp = QLCRD32(adapter, CRB_TEMP_STATE); | |
1863 | ||
1864 | temp_state = qlcnic_get_temp_state(temp); | |
1865 | temp_val = qlcnic_get_temp_val(temp); | |
1866 | ||
1867 | if (temp_state == QLCNIC_TEMP_PANIC) { | |
1868 | dev_err(&netdev->dev, | |
1869 | "Device temperature %d degrees C exceeds" | |
1870 | " maximum allowed. Hardware has been shut down.\n", | |
1871 | temp_val); | |
1872 | rv = 1; | |
1873 | } else if (temp_state == QLCNIC_TEMP_WARN) { | |
1874 | if (adapter->temp == QLCNIC_TEMP_NORMAL) { | |
1875 | dev_err(&netdev->dev, | |
1876 | "Device temperature %d degrees C " | |
1877 | "exceeds operating range." | |
1878 | " Immediate action needed.\n", | |
1879 | temp_val); | |
1880 | } | |
1881 | } else { | |
1882 | if (adapter->temp == QLCNIC_TEMP_WARN) { | |
1883 | dev_info(&netdev->dev, | |
1884 | "Device temperature is now %d degrees C" | |
1885 | " in normal range.\n", temp_val); | |
1886 | } | |
1887 | } | |
1888 | adapter->temp = temp_state; | |
1889 | return rv; | |
1890 | } | |
1891 | ||
1892 | void qlcnic_advert_link_change(struct qlcnic_adapter *adapter, int linkup) | |
1893 | { | |
1894 | struct net_device *netdev = adapter->netdev; | |
1895 | ||
1896 | if (adapter->ahw.linkup && !linkup) { | |
1897 | dev_info(&netdev->dev, "NIC Link is down\n"); | |
1898 | adapter->ahw.linkup = 0; | |
1899 | if (netif_running(netdev)) { | |
1900 | netif_carrier_off(netdev); | |
1901 | netif_stop_queue(netdev); | |
1902 | } | |
1903 | } else if (!adapter->ahw.linkup && linkup) { | |
1904 | dev_info(&netdev->dev, "NIC Link is up\n"); | |
1905 | adapter->ahw.linkup = 1; | |
1906 | if (netif_running(netdev)) { | |
1907 | netif_carrier_on(netdev); | |
1908 | netif_wake_queue(netdev); | |
1909 | } | |
1910 | } | |
1911 | } | |
1912 | ||
1913 | static void qlcnic_tx_timeout(struct net_device *netdev) | |
1914 | { | |
1915 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
1916 | ||
1917 | if (test_bit(__QLCNIC_RESETTING, &adapter->state)) | |
1918 | return; | |
1919 | ||
1920 | dev_err(&netdev->dev, "transmit timeout, resetting.\n"); | |
af19b491 AKS |
1921 | |
1922 | if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) | |
68bf1c68 AKS |
1923 | adapter->need_fw_reset = 1; |
1924 | else | |
1925 | adapter->reset_context = 1; | |
af19b491 AKS |
1926 | } |
1927 | ||
1928 | static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev) | |
1929 | { | |
1930 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
1931 | struct net_device_stats *stats = &netdev->stats; | |
1932 | ||
1933 | memset(stats, 0, sizeof(*stats)); | |
1934 | ||
1935 | stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; | |
1936 | stats->tx_packets = adapter->stats.xmitfinished; | |
7e382594 | 1937 | stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes; |
af19b491 AKS |
1938 | stats->tx_bytes = adapter->stats.txbytes; |
1939 | stats->rx_dropped = adapter->stats.rxdropped; | |
1940 | stats->tx_dropped = adapter->stats.txdropped; | |
1941 | ||
1942 | return stats; | |
1943 | } | |
1944 | ||
7eb9855d | 1945 | static irqreturn_t qlcnic_clear_legacy_intr(struct qlcnic_adapter *adapter) |
af19b491 | 1946 | { |
af19b491 AKS |
1947 | u32 status; |
1948 | ||
1949 | status = readl(adapter->isr_int_vec); | |
1950 | ||
1951 | if (!(status & adapter->int_vec_bit)) | |
1952 | return IRQ_NONE; | |
1953 | ||
1954 | /* check interrupt state machine, to be sure */ | |
1955 | status = readl(adapter->crb_int_state_reg); | |
1956 | if (!ISR_LEGACY_INT_TRIGGERED(status)) | |
1957 | return IRQ_NONE; | |
1958 | ||
1959 | writel(0xffffffff, adapter->tgt_status_reg); | |
1960 | /* read twice to ensure write is flushed */ | |
1961 | readl(adapter->isr_int_vec); | |
1962 | readl(adapter->isr_int_vec); | |
1963 | ||
7eb9855d AKS |
1964 | return IRQ_HANDLED; |
1965 | } | |
1966 | ||
1967 | static irqreturn_t qlcnic_tmp_intr(int irq, void *data) | |
1968 | { | |
1969 | struct qlcnic_host_sds_ring *sds_ring = data; | |
1970 | struct qlcnic_adapter *adapter = sds_ring->adapter; | |
1971 | ||
1972 | if (adapter->flags & QLCNIC_MSIX_ENABLED) | |
1973 | goto done; | |
1974 | else if (adapter->flags & QLCNIC_MSI_ENABLED) { | |
1975 | writel(0xffffffff, adapter->tgt_status_reg); | |
1976 | goto done; | |
1977 | } | |
1978 | ||
1979 | if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) | |
1980 | return IRQ_NONE; | |
1981 | ||
1982 | done: | |
1983 | adapter->diag_cnt++; | |
1984 | qlcnic_enable_int(sds_ring); | |
1985 | return IRQ_HANDLED; | |
1986 | } | |
1987 | ||
1988 | static irqreturn_t qlcnic_intr(int irq, void *data) | |
1989 | { | |
1990 | struct qlcnic_host_sds_ring *sds_ring = data; | |
1991 | struct qlcnic_adapter *adapter = sds_ring->adapter; | |
1992 | ||
1993 | if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) | |
1994 | return IRQ_NONE; | |
1995 | ||
af19b491 AKS |
1996 | napi_schedule(&sds_ring->napi); |
1997 | ||
1998 | return IRQ_HANDLED; | |
1999 | } | |
2000 | ||
2001 | static irqreturn_t qlcnic_msi_intr(int irq, void *data) | |
2002 | { | |
2003 | struct qlcnic_host_sds_ring *sds_ring = data; | |
2004 | struct qlcnic_adapter *adapter = sds_ring->adapter; | |
2005 | ||
2006 | /* clear interrupt */ | |
2007 | writel(0xffffffff, adapter->tgt_status_reg); | |
2008 | ||
2009 | napi_schedule(&sds_ring->napi); | |
2010 | return IRQ_HANDLED; | |
2011 | } | |
2012 | ||
2013 | static irqreturn_t qlcnic_msix_intr(int irq, void *data) | |
2014 | { | |
2015 | struct qlcnic_host_sds_ring *sds_ring = data; | |
2016 | ||
2017 | napi_schedule(&sds_ring->napi); | |
2018 | return IRQ_HANDLED; | |
2019 | } | |
2020 | ||
2021 | static int qlcnic_process_cmd_ring(struct qlcnic_adapter *adapter) | |
2022 | { | |
2023 | u32 sw_consumer, hw_consumer; | |
2024 | int count = 0, i; | |
2025 | struct qlcnic_cmd_buffer *buffer; | |
2026 | struct pci_dev *pdev = adapter->pdev; | |
2027 | struct net_device *netdev = adapter->netdev; | |
2028 | struct qlcnic_skb_frag *frag; | |
2029 | int done; | |
2030 | struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring; | |
2031 | ||
2032 | if (!spin_trylock(&adapter->tx_clean_lock)) | |
2033 | return 1; | |
2034 | ||
2035 | sw_consumer = tx_ring->sw_consumer; | |
2036 | hw_consumer = le32_to_cpu(*(tx_ring->hw_consumer)); | |
2037 | ||
2038 | while (sw_consumer != hw_consumer) { | |
2039 | buffer = &tx_ring->cmd_buf_arr[sw_consumer]; | |
2040 | if (buffer->skb) { | |
2041 | frag = &buffer->frag_array[0]; | |
2042 | pci_unmap_single(pdev, frag->dma, frag->length, | |
2043 | PCI_DMA_TODEVICE); | |
2044 | frag->dma = 0ULL; | |
2045 | for (i = 1; i < buffer->frag_count; i++) { | |
2046 | frag++; | |
2047 | pci_unmap_page(pdev, frag->dma, frag->length, | |
2048 | PCI_DMA_TODEVICE); | |
2049 | frag->dma = 0ULL; | |
2050 | } | |
2051 | ||
2052 | adapter->stats.xmitfinished++; | |
2053 | dev_kfree_skb_any(buffer->skb); | |
2054 | buffer->skb = NULL; | |
2055 | } | |
2056 | ||
2057 | sw_consumer = get_next_index(sw_consumer, tx_ring->num_desc); | |
2058 | if (++count >= MAX_STATUS_HANDLE) | |
2059 | break; | |
2060 | } | |
2061 | ||
2062 | if (count && netif_running(netdev)) { | |
2063 | tx_ring->sw_consumer = sw_consumer; | |
2064 | ||
2065 | smp_mb(); | |
2066 | ||
2067 | if (netif_queue_stopped(netdev) && netif_carrier_ok(netdev)) { | |
af19b491 AKS |
2068 | if (qlcnic_tx_avail(tx_ring) > TX_STOP_THRESH) { |
2069 | netif_wake_queue(netdev); | |
8bfe8b91 | 2070 | adapter->stats.xmit_on++; |
af19b491 | 2071 | } |
af19b491 | 2072 | } |
ef71ff83 | 2073 | adapter->tx_timeo_cnt = 0; |
af19b491 AKS |
2074 | } |
2075 | /* | |
2076 | * If everything is freed up to consumer then check if the ring is full | |
2077 | * If the ring is full then check if more needs to be freed and | |
2078 | * schedule the call back again. | |
2079 | * | |
2080 | * This happens when there are 2 CPUs. One could be freeing and the | |
2081 | * other filling it. If the ring is full when we get out of here and | |
2082 | * the card has already interrupted the host then the host can miss the | |
2083 | * interrupt. | |
2084 | * | |
2085 | * There is still a possible race condition and the host could miss an | |
2086 | * interrupt. The card has to take care of this. | |
2087 | */ | |
2088 | hw_consumer = le32_to_cpu(*(tx_ring->hw_consumer)); | |
2089 | done = (sw_consumer == hw_consumer); | |
2090 | spin_unlock(&adapter->tx_clean_lock); | |
2091 | ||
2092 | return done; | |
2093 | } | |
2094 | ||
2095 | static int qlcnic_poll(struct napi_struct *napi, int budget) | |
2096 | { | |
2097 | struct qlcnic_host_sds_ring *sds_ring = | |
2098 | container_of(napi, struct qlcnic_host_sds_ring, napi); | |
2099 | ||
2100 | struct qlcnic_adapter *adapter = sds_ring->adapter; | |
2101 | ||
2102 | int tx_complete; | |
2103 | int work_done; | |
2104 | ||
2105 | tx_complete = qlcnic_process_cmd_ring(adapter); | |
2106 | ||
2107 | work_done = qlcnic_process_rcv_ring(sds_ring, budget); | |
2108 | ||
2109 | if ((work_done < budget) && tx_complete) { | |
2110 | napi_complete(&sds_ring->napi); | |
2111 | if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) | |
2112 | qlcnic_enable_int(sds_ring); | |
2113 | } | |
2114 | ||
2115 | return work_done; | |
2116 | } | |
2117 | ||
8f891387 | 2118 | static int qlcnic_rx_poll(struct napi_struct *napi, int budget) |
2119 | { | |
2120 | struct qlcnic_host_sds_ring *sds_ring = | |
2121 | container_of(napi, struct qlcnic_host_sds_ring, napi); | |
2122 | ||
2123 | struct qlcnic_adapter *adapter = sds_ring->adapter; | |
2124 | int work_done; | |
2125 | ||
2126 | work_done = qlcnic_process_rcv_ring(sds_ring, budget); | |
2127 | ||
2128 | if (work_done < budget) { | |
2129 | napi_complete(&sds_ring->napi); | |
2130 | if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) | |
2131 | qlcnic_enable_int(sds_ring); | |
2132 | } | |
2133 | ||
2134 | return work_done; | |
2135 | } | |
2136 | ||
af19b491 AKS |
2137 | #ifdef CONFIG_NET_POLL_CONTROLLER |
2138 | static void qlcnic_poll_controller(struct net_device *netdev) | |
2139 | { | |
2140 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
2141 | disable_irq(adapter->irq); | |
2142 | qlcnic_intr(adapter->irq, adapter); | |
2143 | enable_irq(adapter->irq); | |
2144 | } | |
2145 | #endif | |
2146 | ||
6df900e9 SC |
2147 | static void |
2148 | qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding) | |
2149 | { | |
2150 | u32 val; | |
2151 | ||
2152 | val = adapter->portnum & 0xf; | |
2153 | val |= encoding << 7; | |
2154 | val |= (jiffies - adapter->dev_rst_time) << 8; | |
2155 | ||
2156 | QLCWR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val); | |
2157 | adapter->dev_rst_time = jiffies; | |
2158 | } | |
2159 | ||
ade91f8e AKS |
2160 | static int |
2161 | qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state) | |
af19b491 AKS |
2162 | { |
2163 | u32 val; | |
2164 | ||
2165 | WARN_ON(state != QLCNIC_DEV_NEED_RESET && | |
2166 | state != QLCNIC_DEV_NEED_QUISCENT); | |
2167 | ||
2168 | if (qlcnic_api_lock(adapter)) | |
ade91f8e | 2169 | return -EIO; |
af19b491 AKS |
2170 | |
2171 | val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); | |
2172 | ||
2173 | if (state == QLCNIC_DEV_NEED_RESET) | |
6d2a4724 | 2174 | QLC_DEV_SET_RST_RDY(val, adapter->portnum); |
af19b491 | 2175 | else if (state == QLCNIC_DEV_NEED_QUISCENT) |
6d2a4724 | 2176 | QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum); |
af19b491 AKS |
2177 | |
2178 | QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); | |
2179 | ||
2180 | qlcnic_api_unlock(adapter); | |
ade91f8e AKS |
2181 | |
2182 | return 0; | |
af19b491 AKS |
2183 | } |
2184 | ||
1b95a839 AKS |
2185 | static int |
2186 | qlcnic_clr_drv_state(struct qlcnic_adapter *adapter) | |
2187 | { | |
2188 | u32 val; | |
2189 | ||
2190 | if (qlcnic_api_lock(adapter)) | |
2191 | return -EBUSY; | |
2192 | ||
2193 | val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); | |
6d2a4724 | 2194 | QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); |
1b95a839 AKS |
2195 | QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); |
2196 | ||
2197 | qlcnic_api_unlock(adapter); | |
2198 | ||
2199 | return 0; | |
2200 | } | |
2201 | ||
af19b491 AKS |
2202 | static void |
2203 | qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter) | |
2204 | { | |
2205 | u32 val; | |
2206 | ||
2207 | if (qlcnic_api_lock(adapter)) | |
2208 | goto err; | |
2209 | ||
2210 | val = QLCRD32(adapter, QLCNIC_CRB_DEV_REF_COUNT); | |
6d2a4724 | 2211 | QLC_DEV_CLR_REF_CNT(val, adapter->portnum); |
af19b491 AKS |
2212 | QLCWR32(adapter, QLCNIC_CRB_DEV_REF_COUNT, val); |
2213 | ||
2214 | if (!(val & 0x11111111)) | |
2215 | QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_COLD); | |
2216 | ||
2217 | val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); | |
6d2a4724 | 2218 | QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); |
af19b491 AKS |
2219 | QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); |
2220 | ||
2221 | qlcnic_api_unlock(adapter); | |
2222 | err: | |
2223 | adapter->fw_fail_cnt = 0; | |
2224 | clear_bit(__QLCNIC_START_FW, &adapter->state); | |
2225 | clear_bit(__QLCNIC_RESETTING, &adapter->state); | |
2226 | } | |
2227 | ||
f73dfc50 | 2228 | /* Grab api lock, before checking state */ |
af19b491 AKS |
2229 | static int |
2230 | qlcnic_check_drv_state(struct qlcnic_adapter *adapter) | |
2231 | { | |
2232 | int act, state; | |
2233 | ||
2234 | state = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); | |
2235 | act = QLCRD32(adapter, QLCNIC_CRB_DEV_REF_COUNT); | |
2236 | ||
2237 | if (((state & 0x11111111) == (act & 0x11111111)) || | |
2238 | ((act & 0x11111111) == ((state >> 1) & 0x11111111))) | |
2239 | return 0; | |
2240 | else | |
2241 | return 1; | |
2242 | } | |
2243 | ||
96f8118c SC |
2244 | static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter) |
2245 | { | |
2246 | u32 val = QLCRD32(adapter, QLCNIC_CRB_DRV_IDC_VER); | |
2247 | ||
2248 | if (val != QLCNIC_DRV_IDC_VER) { | |
2249 | dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's" | |
2250 | " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val); | |
2251 | } | |
2252 | ||
2253 | return 0; | |
2254 | } | |
2255 | ||
af19b491 AKS |
2256 | static int |
2257 | qlcnic_can_start_firmware(struct qlcnic_adapter *adapter) | |
2258 | { | |
2259 | u32 val, prev_state; | |
aa5e18c0 | 2260 | u8 dev_init_timeo = adapter->dev_init_timeo; |
6d2a4724 | 2261 | u8 portnum = adapter->portnum; |
96f8118c | 2262 | u8 ret; |
af19b491 | 2263 | |
f73dfc50 AKS |
2264 | if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state)) |
2265 | return 1; | |
2266 | ||
af19b491 AKS |
2267 | if (qlcnic_api_lock(adapter)) |
2268 | return -1; | |
2269 | ||
2270 | val = QLCRD32(adapter, QLCNIC_CRB_DEV_REF_COUNT); | |
6d2a4724 AKS |
2271 | if (!(val & (1 << (portnum * 4)))) { |
2272 | QLC_DEV_SET_REF_CNT(val, portnum); | |
af19b491 | 2273 | QLCWR32(adapter, QLCNIC_CRB_DEV_REF_COUNT, val); |
af19b491 AKS |
2274 | } |
2275 | ||
2276 | prev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); | |
65b5b420 | 2277 | QLCDB(adapter, HW, "Device state = %u\n", prev_state); |
af19b491 AKS |
2278 | |
2279 | switch (prev_state) { | |
2280 | case QLCNIC_DEV_COLD: | |
bbd8c6a4 | 2281 | QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITIALIZING); |
96f8118c | 2282 | QLCWR32(adapter, QLCNIC_CRB_DRV_IDC_VER, QLCNIC_DRV_IDC_VER); |
6df900e9 | 2283 | qlcnic_idc_debug_info(adapter, 0); |
af19b491 AKS |
2284 | qlcnic_api_unlock(adapter); |
2285 | return 1; | |
2286 | ||
2287 | case QLCNIC_DEV_READY: | |
96f8118c | 2288 | ret = qlcnic_check_idc_ver(adapter); |
af19b491 | 2289 | qlcnic_api_unlock(adapter); |
96f8118c | 2290 | return ret; |
af19b491 AKS |
2291 | |
2292 | case QLCNIC_DEV_NEED_RESET: | |
2293 | val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); | |
6d2a4724 | 2294 | QLC_DEV_SET_RST_RDY(val, portnum); |
af19b491 AKS |
2295 | QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); |
2296 | break; | |
2297 | ||
2298 | case QLCNIC_DEV_NEED_QUISCENT: | |
2299 | val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); | |
6d2a4724 | 2300 | QLC_DEV_SET_QSCNT_RDY(val, portnum); |
af19b491 AKS |
2301 | QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); |
2302 | break; | |
2303 | ||
2304 | case QLCNIC_DEV_FAILED: | |
a7fc948f | 2305 | dev_err(&adapter->pdev->dev, "Device in failed state.\n"); |
af19b491 AKS |
2306 | qlcnic_api_unlock(adapter); |
2307 | return -1; | |
bbd8c6a4 AKS |
2308 | |
2309 | case QLCNIC_DEV_INITIALIZING: | |
2310 | case QLCNIC_DEV_QUISCENT: | |
2311 | break; | |
af19b491 AKS |
2312 | } |
2313 | ||
2314 | qlcnic_api_unlock(adapter); | |
aa5e18c0 SC |
2315 | |
2316 | do { | |
af19b491 | 2317 | msleep(1000); |
a5e463d0 SC |
2318 | prev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); |
2319 | ||
2320 | if (prev_state == QLCNIC_DEV_QUISCENT) | |
2321 | continue; | |
2322 | } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo); | |
af19b491 | 2323 | |
65b5b420 AKS |
2324 | if (!dev_init_timeo) { |
2325 | dev_err(&adapter->pdev->dev, | |
2326 | "Waiting for device to initialize timeout\n"); | |
af19b491 | 2327 | return -1; |
65b5b420 | 2328 | } |
af19b491 AKS |
2329 | |
2330 | if (qlcnic_api_lock(adapter)) | |
2331 | return -1; | |
2332 | ||
2333 | val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); | |
6d2a4724 | 2334 | QLC_DEV_CLR_RST_QSCNT(val, portnum); |
af19b491 AKS |
2335 | QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); |
2336 | ||
96f8118c | 2337 | ret = qlcnic_check_idc_ver(adapter); |
af19b491 AKS |
2338 | qlcnic_api_unlock(adapter); |
2339 | ||
96f8118c | 2340 | return ret; |
af19b491 AKS |
2341 | } |
2342 | ||
2343 | static void | |
2344 | qlcnic_fwinit_work(struct work_struct *work) | |
2345 | { | |
2346 | struct qlcnic_adapter *adapter = container_of(work, | |
2347 | struct qlcnic_adapter, fw_work.work); | |
9f26f547 | 2348 | u32 dev_state = 0xf, npar_state; |
af19b491 | 2349 | |
f73dfc50 AKS |
2350 | if (qlcnic_api_lock(adapter)) |
2351 | goto err_ret; | |
af19b491 | 2352 | |
a5e463d0 SC |
2353 | dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); |
2354 | if (dev_state == QLCNIC_DEV_QUISCENT) { | |
2355 | qlcnic_api_unlock(adapter); | |
2356 | qlcnic_schedule_work(adapter, qlcnic_fwinit_work, | |
2357 | FW_POLL_DELAY * 2); | |
2358 | return; | |
2359 | } | |
2360 | ||
9f26f547 AC |
2361 | if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC) { |
2362 | npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); | |
2363 | if (npar_state == QLCNIC_DEV_NPAR_RDY) { | |
2364 | qlcnic_api_unlock(adapter); | |
2365 | goto wait_npar; | |
2366 | } else { | |
2367 | qlcnic_schedule_work(adapter, qlcnic_fwinit_work, | |
2368 | FW_POLL_DELAY); | |
2369 | qlcnic_api_unlock(adapter); | |
2370 | return; | |
2371 | } | |
2372 | } | |
2373 | ||
f73dfc50 AKS |
2374 | if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) { |
2375 | dev_err(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n", | |
2376 | adapter->reset_ack_timeo); | |
2377 | goto skip_ack_check; | |
2378 | } | |
2379 | ||
2380 | if (!qlcnic_check_drv_state(adapter)) { | |
2381 | skip_ack_check: | |
2382 | dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); | |
a5e463d0 SC |
2383 | |
2384 | if (dev_state == QLCNIC_DEV_NEED_QUISCENT) { | |
2385 | QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, | |
2386 | QLCNIC_DEV_QUISCENT); | |
2387 | qlcnic_schedule_work(adapter, qlcnic_fwinit_work, | |
2388 | FW_POLL_DELAY * 2); | |
2389 | QLCDB(adapter, DRV, "Quiscing the driver\n"); | |
6df900e9 SC |
2390 | qlcnic_idc_debug_info(adapter, 0); |
2391 | ||
a5e463d0 SC |
2392 | qlcnic_api_unlock(adapter); |
2393 | return; | |
2394 | } | |
2395 | ||
f73dfc50 AKS |
2396 | if (dev_state == QLCNIC_DEV_NEED_RESET) { |
2397 | QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, | |
2398 | QLCNIC_DEV_INITIALIZING); | |
2399 | set_bit(__QLCNIC_START_FW, &adapter->state); | |
2400 | QLCDB(adapter, DRV, "Restarting fw\n"); | |
6df900e9 | 2401 | qlcnic_idc_debug_info(adapter, 0); |
af19b491 AKS |
2402 | } |
2403 | ||
f73dfc50 AKS |
2404 | qlcnic_api_unlock(adapter); |
2405 | ||
9f26f547 | 2406 | if (!adapter->nic_ops->start_firmware(adapter)) { |
af19b491 AKS |
2407 | qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); |
2408 | return; | |
2409 | } | |
af19b491 AKS |
2410 | goto err_ret; |
2411 | } | |
2412 | ||
f73dfc50 | 2413 | qlcnic_api_unlock(adapter); |
aa5e18c0 | 2414 | |
9f26f547 | 2415 | wait_npar: |
af19b491 | 2416 | dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); |
f73dfc50 | 2417 | QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state); |
65b5b420 | 2418 | |
af19b491 | 2419 | switch (dev_state) { |
a5e463d0 SC |
2420 | case QLCNIC_DEV_QUISCENT: |
2421 | case QLCNIC_DEV_NEED_QUISCENT: | |
f73dfc50 AKS |
2422 | case QLCNIC_DEV_NEED_RESET: |
2423 | qlcnic_schedule_work(adapter, | |
2424 | qlcnic_fwinit_work, FW_POLL_DELAY); | |
2425 | return; | |
af19b491 AKS |
2426 | case QLCNIC_DEV_FAILED: |
2427 | break; | |
2428 | ||
2429 | default: | |
9f26f547 | 2430 | if (!adapter->nic_ops->start_firmware(adapter)) { |
f73dfc50 AKS |
2431 | qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); |
2432 | return; | |
2433 | } | |
af19b491 AKS |
2434 | } |
2435 | ||
2436 | err_ret: | |
f73dfc50 AKS |
2437 | dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u " |
2438 | "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt); | |
34ce3626 | 2439 | netif_device_attach(adapter->netdev); |
af19b491 AKS |
2440 | qlcnic_clr_all_drv_state(adapter); |
2441 | } | |
2442 | ||
2443 | static void | |
2444 | qlcnic_detach_work(struct work_struct *work) | |
2445 | { | |
2446 | struct qlcnic_adapter *adapter = container_of(work, | |
2447 | struct qlcnic_adapter, fw_work.work); | |
2448 | struct net_device *netdev = adapter->netdev; | |
2449 | u32 status; | |
2450 | ||
2451 | netif_device_detach(netdev); | |
2452 | ||
2453 | qlcnic_down(adapter, netdev); | |
2454 | ||
af19b491 AKS |
2455 | status = QLCRD32(adapter, QLCNIC_PEG_HALT_STATUS1); |
2456 | ||
2457 | if (status & QLCNIC_RCODE_FATAL_ERROR) | |
2458 | goto err_ret; | |
2459 | ||
2460 | if (adapter->temp == QLCNIC_TEMP_PANIC) | |
2461 | goto err_ret; | |
2462 | ||
ade91f8e AKS |
2463 | if (qlcnic_set_drv_state(adapter, adapter->dev_state)) |
2464 | goto err_ret; | |
af19b491 AKS |
2465 | |
2466 | adapter->fw_wait_cnt = 0; | |
2467 | ||
2468 | qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY); | |
2469 | ||
2470 | return; | |
2471 | ||
2472 | err_ret: | |
65b5b420 AKS |
2473 | dev_err(&adapter->pdev->dev, "detach failed; status=%d temp=%d\n", |
2474 | status, adapter->temp); | |
34ce3626 | 2475 | netif_device_attach(netdev); |
af19b491 AKS |
2476 | qlcnic_clr_all_drv_state(adapter); |
2477 | ||
2478 | } | |
2479 | ||
f73dfc50 | 2480 | /*Transit to RESET state from READY state only */ |
af19b491 AKS |
2481 | static void |
2482 | qlcnic_dev_request_reset(struct qlcnic_adapter *adapter) | |
2483 | { | |
2484 | u32 state; | |
2485 | ||
2486 | if (qlcnic_api_lock(adapter)) | |
2487 | return; | |
2488 | ||
2489 | state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); | |
2490 | ||
f73dfc50 | 2491 | if (state == QLCNIC_DEV_READY) { |
af19b491 | 2492 | QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_NEED_RESET); |
65b5b420 | 2493 | QLCDB(adapter, DRV, "NEED_RESET state set\n"); |
6df900e9 | 2494 | qlcnic_idc_debug_info(adapter, 0); |
af19b491 AKS |
2495 | } |
2496 | ||
2497 | qlcnic_api_unlock(adapter); | |
2498 | } | |
2499 | ||
9f26f547 AC |
2500 | /* Transit to NPAR READY state from NPAR NOT READY state */ |
2501 | static void | |
2502 | qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter) | |
2503 | { | |
2504 | u32 state; | |
2505 | ||
9f26f547 AC |
2506 | if (qlcnic_api_lock(adapter)) |
2507 | return; | |
2508 | ||
2509 | state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); | |
2510 | ||
2511 | if (state != QLCNIC_DEV_NPAR_RDY) { | |
2512 | QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, | |
2513 | QLCNIC_DEV_NPAR_RDY); | |
2514 | QLCDB(adapter, DRV, "NPAR READY state set\n"); | |
2515 | } | |
2516 | ||
2517 | qlcnic_api_unlock(adapter); | |
2518 | } | |
2519 | ||
af19b491 AKS |
2520 | static void |
2521 | qlcnic_schedule_work(struct qlcnic_adapter *adapter, | |
2522 | work_func_t func, int delay) | |
2523 | { | |
2524 | INIT_DELAYED_WORK(&adapter->fw_work, func); | |
2525 | schedule_delayed_work(&adapter->fw_work, round_jiffies_relative(delay)); | |
2526 | } | |
2527 | ||
2528 | static void | |
2529 | qlcnic_cancel_fw_work(struct qlcnic_adapter *adapter) | |
2530 | { | |
2531 | while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) | |
2532 | msleep(10); | |
2533 | ||
2534 | cancel_delayed_work_sync(&adapter->fw_work); | |
2535 | } | |
2536 | ||
2537 | static void | |
2538 | qlcnic_attach_work(struct work_struct *work) | |
2539 | { | |
2540 | struct qlcnic_adapter *adapter = container_of(work, | |
2541 | struct qlcnic_adapter, fw_work.work); | |
2542 | struct net_device *netdev = adapter->netdev; | |
af19b491 AKS |
2543 | |
2544 | if (netif_running(netdev)) { | |
52486a3a | 2545 | if (qlcnic_up(adapter, netdev)) |
af19b491 | 2546 | goto done; |
af19b491 AKS |
2547 | |
2548 | qlcnic_config_indev_addr(netdev, NETDEV_UP); | |
2549 | } | |
2550 | ||
af19b491 | 2551 | done: |
34ce3626 | 2552 | netif_device_attach(netdev); |
af19b491 AKS |
2553 | adapter->fw_fail_cnt = 0; |
2554 | clear_bit(__QLCNIC_RESETTING, &adapter->state); | |
1b95a839 AKS |
2555 | |
2556 | if (!qlcnic_clr_drv_state(adapter)) | |
2557 | qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, | |
2558 | FW_POLL_DELAY); | |
af19b491 AKS |
2559 | } |
2560 | ||
2561 | static int | |
2562 | qlcnic_check_health(struct qlcnic_adapter *adapter) | |
2563 | { | |
2564 | u32 state = 0, heartbit; | |
2565 | struct net_device *netdev = adapter->netdev; | |
2566 | ||
2567 | if (qlcnic_check_temp(adapter)) | |
2568 | goto detach; | |
2569 | ||
2372a5f1 | 2570 | if (adapter->need_fw_reset) |
af19b491 | 2571 | qlcnic_dev_request_reset(adapter); |
af19b491 AKS |
2572 | |
2573 | state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); | |
2574 | if (state == QLCNIC_DEV_NEED_RESET || state == QLCNIC_DEV_NEED_QUISCENT) | |
2575 | adapter->need_fw_reset = 1; | |
2576 | ||
2577 | heartbit = QLCRD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); | |
2578 | if (heartbit != adapter->heartbit) { | |
2579 | adapter->heartbit = heartbit; | |
2580 | adapter->fw_fail_cnt = 0; | |
2581 | if (adapter->need_fw_reset) | |
2582 | goto detach; | |
68bf1c68 | 2583 | |
0df170b6 AKS |
2584 | if (adapter->reset_context && |
2585 | auto_fw_reset == AUTO_FW_RESET_ENABLED) { | |
68bf1c68 AKS |
2586 | qlcnic_reset_hw_context(adapter); |
2587 | adapter->netdev->trans_start = jiffies; | |
2588 | } | |
2589 | ||
af19b491 AKS |
2590 | return 0; |
2591 | } | |
2592 | ||
2593 | if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) | |
2594 | return 0; | |
2595 | ||
2596 | qlcnic_dev_request_reset(adapter); | |
2597 | ||
0df170b6 AKS |
2598 | if ((auto_fw_reset == AUTO_FW_RESET_ENABLED)) |
2599 | clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state); | |
af19b491 AKS |
2600 | |
2601 | dev_info(&netdev->dev, "firmware hang detected\n"); | |
2602 | ||
2603 | detach: | |
2604 | adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state : | |
2605 | QLCNIC_DEV_NEED_RESET; | |
2606 | ||
2607 | if ((auto_fw_reset == AUTO_FW_RESET_ENABLED) && | |
65b5b420 AKS |
2608 | !test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) { |
2609 | ||
af19b491 | 2610 | qlcnic_schedule_work(adapter, qlcnic_detach_work, 0); |
65b5b420 AKS |
2611 | QLCDB(adapter, DRV, "fw recovery scheduled.\n"); |
2612 | } | |
af19b491 AKS |
2613 | |
2614 | return 1; | |
2615 | } | |
2616 | ||
2617 | static void | |
2618 | qlcnic_fw_poll_work(struct work_struct *work) | |
2619 | { | |
2620 | struct qlcnic_adapter *adapter = container_of(work, | |
2621 | struct qlcnic_adapter, fw_work.work); | |
2622 | ||
2623 | if (test_bit(__QLCNIC_RESETTING, &adapter->state)) | |
2624 | goto reschedule; | |
2625 | ||
2626 | ||
2627 | if (qlcnic_check_health(adapter)) | |
2628 | return; | |
2629 | ||
2630 | reschedule: | |
2631 | qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); | |
2632 | } | |
2633 | ||
87eb743b AC |
2634 | static int |
2635 | qlcnicvf_start_firmware(struct qlcnic_adapter *adapter) | |
2636 | { | |
2637 | int err; | |
2638 | ||
2639 | err = qlcnic_can_start_firmware(adapter); | |
2640 | if (err) | |
2641 | return err; | |
2642 | ||
2643 | qlcnic_check_options(adapter); | |
2644 | ||
2645 | adapter->need_fw_reset = 0; | |
2646 | ||
2647 | return err; | |
2648 | } | |
2649 | ||
2650 | static int | |
2651 | qlcnicvf_config_bridged_mode(struct qlcnic_adapter *adapter, u32 enable) | |
2652 | { | |
2653 | return -EOPNOTSUPP; | |
2654 | } | |
2655 | ||
2656 | static int | |
2657 | qlcnicvf_config_led(struct qlcnic_adapter *adapter, u32 state, u32 rate) | |
2658 | { | |
2659 | return -EOPNOTSUPP; | |
2660 | } | |
2661 | ||
2662 | static int | |
2663 | qlcnicvf_set_ilb_mode(struct qlcnic_adapter *adapter) | |
2664 | { | |
2665 | return -EOPNOTSUPP; | |
2666 | } | |
2667 | ||
2668 | static void | |
2669 | qlcnicvf_clear_ilb_mode(struct qlcnic_adapter *adapter) | |
2670 | { | |
2671 | return; | |
2672 | } | |
2673 | ||
af19b491 AKS |
2674 | static ssize_t |
2675 | qlcnic_store_bridged_mode(struct device *dev, | |
2676 | struct device_attribute *attr, const char *buf, size_t len) | |
2677 | { | |
2678 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
2679 | unsigned long new; | |
2680 | int ret = -EINVAL; | |
2681 | ||
2682 | if (!(adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG)) | |
2683 | goto err_out; | |
2684 | ||
8a15ad1f | 2685 | if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) |
af19b491 AKS |
2686 | goto err_out; |
2687 | ||
2688 | if (strict_strtoul(buf, 2, &new)) | |
2689 | goto err_out; | |
2690 | ||
2e9d722d | 2691 | if (!adapter->nic_ops->config_bridged_mode(adapter, !!new)) |
af19b491 AKS |
2692 | ret = len; |
2693 | ||
2694 | err_out: | |
2695 | return ret; | |
2696 | } | |
2697 | ||
2698 | static ssize_t | |
2699 | qlcnic_show_bridged_mode(struct device *dev, | |
2700 | struct device_attribute *attr, char *buf) | |
2701 | { | |
2702 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
2703 | int bridged_mode = 0; | |
2704 | ||
2705 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG) | |
2706 | bridged_mode = !!(adapter->flags & QLCNIC_BRIDGE_ENABLED); | |
2707 | ||
2708 | return sprintf(buf, "%d\n", bridged_mode); | |
2709 | } | |
2710 | ||
2711 | static struct device_attribute dev_attr_bridged_mode = { | |
2712 | .attr = {.name = "bridged_mode", .mode = (S_IRUGO | S_IWUSR)}, | |
2713 | .show = qlcnic_show_bridged_mode, | |
2714 | .store = qlcnic_store_bridged_mode, | |
2715 | }; | |
2716 | ||
2717 | static ssize_t | |
2718 | qlcnic_store_diag_mode(struct device *dev, | |
2719 | struct device_attribute *attr, const char *buf, size_t len) | |
2720 | { | |
2721 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
2722 | unsigned long new; | |
2723 | ||
2724 | if (strict_strtoul(buf, 2, &new)) | |
2725 | return -EINVAL; | |
2726 | ||
2727 | if (!!new != !!(adapter->flags & QLCNIC_DIAG_ENABLED)) | |
2728 | adapter->flags ^= QLCNIC_DIAG_ENABLED; | |
2729 | ||
2730 | return len; | |
2731 | } | |
2732 | ||
2733 | static ssize_t | |
2734 | qlcnic_show_diag_mode(struct device *dev, | |
2735 | struct device_attribute *attr, char *buf) | |
2736 | { | |
2737 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
2738 | ||
2739 | return sprintf(buf, "%d\n", | |
2740 | !!(adapter->flags & QLCNIC_DIAG_ENABLED)); | |
2741 | } | |
2742 | ||
2743 | static struct device_attribute dev_attr_diag_mode = { | |
2744 | .attr = {.name = "diag_mode", .mode = (S_IRUGO | S_IWUSR)}, | |
2745 | .show = qlcnic_show_diag_mode, | |
2746 | .store = qlcnic_store_diag_mode, | |
2747 | }; | |
2748 | ||
2749 | static int | |
2750 | qlcnic_sysfs_validate_crb(struct qlcnic_adapter *adapter, | |
2751 | loff_t offset, size_t size) | |
2752 | { | |
897e8c7c DP |
2753 | size_t crb_size = 4; |
2754 | ||
af19b491 AKS |
2755 | if (!(adapter->flags & QLCNIC_DIAG_ENABLED)) |
2756 | return -EIO; | |
2757 | ||
897e8c7c DP |
2758 | if (offset < QLCNIC_PCI_CRBSPACE) { |
2759 | if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, | |
2760 | QLCNIC_PCI_CAMQM_END)) | |
2761 | crb_size = 8; | |
2762 | else | |
2763 | return -EINVAL; | |
2764 | } | |
af19b491 | 2765 | |
897e8c7c DP |
2766 | if ((size != crb_size) || (offset & (crb_size-1))) |
2767 | return -EINVAL; | |
af19b491 AKS |
2768 | |
2769 | return 0; | |
2770 | } | |
2771 | ||
2772 | static ssize_t | |
2c3c8bea CW |
2773 | qlcnic_sysfs_read_crb(struct file *filp, struct kobject *kobj, |
2774 | struct bin_attribute *attr, | |
af19b491 AKS |
2775 | char *buf, loff_t offset, size_t size) |
2776 | { | |
2777 | struct device *dev = container_of(kobj, struct device, kobj); | |
2778 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
2779 | u32 data; | |
897e8c7c | 2780 | u64 qmdata; |
af19b491 AKS |
2781 | int ret; |
2782 | ||
2783 | ret = qlcnic_sysfs_validate_crb(adapter, offset, size); | |
2784 | if (ret != 0) | |
2785 | return ret; | |
2786 | ||
897e8c7c DP |
2787 | if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, QLCNIC_PCI_CAMQM_END)) { |
2788 | qlcnic_pci_camqm_read_2M(adapter, offset, &qmdata); | |
2789 | memcpy(buf, &qmdata, size); | |
2790 | } else { | |
2791 | data = QLCRD32(adapter, offset); | |
2792 | memcpy(buf, &data, size); | |
2793 | } | |
af19b491 AKS |
2794 | return size; |
2795 | } | |
2796 | ||
2797 | static ssize_t | |
2c3c8bea CW |
2798 | qlcnic_sysfs_write_crb(struct file *filp, struct kobject *kobj, |
2799 | struct bin_attribute *attr, | |
af19b491 AKS |
2800 | char *buf, loff_t offset, size_t size) |
2801 | { | |
2802 | struct device *dev = container_of(kobj, struct device, kobj); | |
2803 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
2804 | u32 data; | |
897e8c7c | 2805 | u64 qmdata; |
af19b491 AKS |
2806 | int ret; |
2807 | ||
2808 | ret = qlcnic_sysfs_validate_crb(adapter, offset, size); | |
2809 | if (ret != 0) | |
2810 | return ret; | |
2811 | ||
897e8c7c DP |
2812 | if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, QLCNIC_PCI_CAMQM_END)) { |
2813 | memcpy(&qmdata, buf, size); | |
2814 | qlcnic_pci_camqm_write_2M(adapter, offset, qmdata); | |
2815 | } else { | |
2816 | memcpy(&data, buf, size); | |
2817 | QLCWR32(adapter, offset, data); | |
2818 | } | |
af19b491 AKS |
2819 | return size; |
2820 | } | |
2821 | ||
2822 | static int | |
2823 | qlcnic_sysfs_validate_mem(struct qlcnic_adapter *adapter, | |
2824 | loff_t offset, size_t size) | |
2825 | { | |
2826 | if (!(adapter->flags & QLCNIC_DIAG_ENABLED)) | |
2827 | return -EIO; | |
2828 | ||
2829 | if ((size != 8) || (offset & 0x7)) | |
2830 | return -EIO; | |
2831 | ||
2832 | return 0; | |
2833 | } | |
2834 | ||
2835 | static ssize_t | |
2c3c8bea CW |
2836 | qlcnic_sysfs_read_mem(struct file *filp, struct kobject *kobj, |
2837 | struct bin_attribute *attr, | |
af19b491 AKS |
2838 | char *buf, loff_t offset, size_t size) |
2839 | { | |
2840 | struct device *dev = container_of(kobj, struct device, kobj); | |
2841 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
2842 | u64 data; | |
2843 | int ret; | |
2844 | ||
2845 | ret = qlcnic_sysfs_validate_mem(adapter, offset, size); | |
2846 | if (ret != 0) | |
2847 | return ret; | |
2848 | ||
2849 | if (qlcnic_pci_mem_read_2M(adapter, offset, &data)) | |
2850 | return -EIO; | |
2851 | ||
2852 | memcpy(buf, &data, size); | |
2853 | ||
2854 | return size; | |
2855 | } | |
2856 | ||
2857 | static ssize_t | |
2c3c8bea CW |
2858 | qlcnic_sysfs_write_mem(struct file *filp, struct kobject *kobj, |
2859 | struct bin_attribute *attr, | |
af19b491 AKS |
2860 | char *buf, loff_t offset, size_t size) |
2861 | { | |
2862 | struct device *dev = container_of(kobj, struct device, kobj); | |
2863 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
2864 | u64 data; | |
2865 | int ret; | |
2866 | ||
2867 | ret = qlcnic_sysfs_validate_mem(adapter, offset, size); | |
2868 | if (ret != 0) | |
2869 | return ret; | |
2870 | ||
2871 | memcpy(&data, buf, size); | |
2872 | ||
2873 | if (qlcnic_pci_mem_write_2M(adapter, offset, data)) | |
2874 | return -EIO; | |
2875 | ||
2876 | return size; | |
2877 | } | |
2878 | ||
2879 | ||
2880 | static struct bin_attribute bin_attr_crb = { | |
2881 | .attr = {.name = "crb", .mode = (S_IRUGO | S_IWUSR)}, | |
2882 | .size = 0, | |
2883 | .read = qlcnic_sysfs_read_crb, | |
2884 | .write = qlcnic_sysfs_write_crb, | |
2885 | }; | |
2886 | ||
2887 | static struct bin_attribute bin_attr_mem = { | |
2888 | .attr = {.name = "mem", .mode = (S_IRUGO | S_IWUSR)}, | |
2889 | .size = 0, | |
2890 | .read = qlcnic_sysfs_read_mem, | |
2891 | .write = qlcnic_sysfs_write_mem, | |
2892 | }; | |
2893 | ||
346fe763 RB |
2894 | int |
2895 | validate_pm_config(struct qlcnic_adapter *adapter, | |
2896 | struct qlcnic_pm_func_cfg *pm_cfg, int count) | |
2897 | { | |
2898 | ||
2899 | u8 src_pci_func, s_esw_id, d_esw_id; | |
2900 | u8 dest_pci_func; | |
2901 | int i; | |
2902 | ||
2903 | for (i = 0; i < count; i++) { | |
2904 | src_pci_func = pm_cfg[i].pci_func; | |
2905 | dest_pci_func = pm_cfg[i].dest_npar; | |
2906 | if (src_pci_func >= QLCNIC_MAX_PCI_FUNC | |
2907 | || dest_pci_func >= QLCNIC_MAX_PCI_FUNC) | |
2908 | return QL_STATUS_INVALID_PARAM; | |
2909 | ||
2910 | if (adapter->npars[src_pci_func].type != QLCNIC_TYPE_NIC) | |
2911 | return QL_STATUS_INVALID_PARAM; | |
2912 | ||
2913 | if (adapter->npars[dest_pci_func].type != QLCNIC_TYPE_NIC) | |
2914 | return QL_STATUS_INVALID_PARAM; | |
2915 | ||
2916 | if (!IS_VALID_MODE(pm_cfg[i].action)) | |
2917 | return QL_STATUS_INVALID_PARAM; | |
2918 | ||
2919 | s_esw_id = adapter->npars[src_pci_func].phy_port; | |
2920 | d_esw_id = adapter->npars[dest_pci_func].phy_port; | |
2921 | ||
2922 | if (s_esw_id != d_esw_id) | |
2923 | return QL_STATUS_INVALID_PARAM; | |
2924 | ||
2925 | } | |
2926 | return 0; | |
2927 | ||
2928 | } | |
2929 | ||
2930 | static ssize_t | |
2931 | qlcnic_sysfs_write_pm_config(struct file *filp, struct kobject *kobj, | |
2932 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
2933 | { | |
2934 | struct device *dev = container_of(kobj, struct device, kobj); | |
2935 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
2936 | struct qlcnic_pm_func_cfg *pm_cfg; | |
2937 | u32 id, action, pci_func; | |
2938 | int count, rem, i, ret; | |
2939 | ||
2940 | count = size / sizeof(struct qlcnic_pm_func_cfg); | |
2941 | rem = size % sizeof(struct qlcnic_pm_func_cfg); | |
2942 | if (rem) | |
2943 | return QL_STATUS_INVALID_PARAM; | |
2944 | ||
2945 | pm_cfg = (struct qlcnic_pm_func_cfg *) buf; | |
2946 | ||
2947 | ret = validate_pm_config(adapter, pm_cfg, count); | |
2948 | if (ret) | |
2949 | return ret; | |
2950 | for (i = 0; i < count; i++) { | |
2951 | pci_func = pm_cfg[i].pci_func; | |
2952 | action = pm_cfg[i].action; | |
2953 | id = adapter->npars[pci_func].phy_port; | |
2954 | ret = qlcnic_config_port_mirroring(adapter, id, | |
2955 | action, pci_func); | |
2956 | if (ret) | |
2957 | return ret; | |
2958 | } | |
2959 | ||
2960 | for (i = 0; i < count; i++) { | |
2961 | pci_func = pm_cfg[i].pci_func; | |
2962 | id = adapter->npars[pci_func].phy_port; | |
2963 | adapter->npars[pci_func].enable_pm = pm_cfg[i].action; | |
2964 | adapter->npars[pci_func].dest_npar = id; | |
2965 | } | |
2966 | return size; | |
2967 | } | |
2968 | ||
2969 | static ssize_t | |
2970 | qlcnic_sysfs_read_pm_config(struct file *filp, struct kobject *kobj, | |
2971 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
2972 | { | |
2973 | struct device *dev = container_of(kobj, struct device, kobj); | |
2974 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
2975 | struct qlcnic_pm_func_cfg pm_cfg[QLCNIC_MAX_PCI_FUNC]; | |
2976 | int i; | |
2977 | ||
2978 | if (size != sizeof(pm_cfg)) | |
2979 | return QL_STATUS_INVALID_PARAM; | |
2980 | ||
2981 | for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) { | |
2982 | if (adapter->npars[i].type != QLCNIC_TYPE_NIC) | |
2983 | continue; | |
2984 | pm_cfg[i].action = adapter->npars[i].enable_pm; | |
2985 | pm_cfg[i].dest_npar = 0; | |
2986 | pm_cfg[i].pci_func = i; | |
2987 | } | |
2988 | memcpy(buf, &pm_cfg, size); | |
2989 | ||
2990 | return size; | |
2991 | } | |
2992 | ||
2993 | int | |
2994 | validate_esw_config(struct qlcnic_adapter *adapter, | |
2995 | struct qlcnic_esw_func_cfg *esw_cfg, int count) | |
2996 | { | |
2997 | u8 pci_func; | |
2998 | int i; | |
2999 | ||
3000 | for (i = 0; i < count; i++) { | |
3001 | pci_func = esw_cfg[i].pci_func; | |
3002 | if (pci_func >= QLCNIC_MAX_PCI_FUNC) | |
3003 | return QL_STATUS_INVALID_PARAM; | |
3004 | ||
3005 | if (adapter->npars[i].type != QLCNIC_TYPE_NIC) | |
3006 | return QL_STATUS_INVALID_PARAM; | |
3007 | ||
3008 | if (esw_cfg->host_vlan_tag == 1) | |
3009 | if (!IS_VALID_VLAN(esw_cfg[i].vlan_id)) | |
3010 | return QL_STATUS_INVALID_PARAM; | |
3011 | ||
3012 | if (!IS_VALID_MODE(esw_cfg[i].promisc_mode) | |
3013 | || !IS_VALID_MODE(esw_cfg[i].host_vlan_tag) | |
3014 | || !IS_VALID_MODE(esw_cfg[i].mac_learning) | |
3015 | || !IS_VALID_MODE(esw_cfg[i].discard_tagged)) | |
3016 | return QL_STATUS_INVALID_PARAM; | |
3017 | } | |
3018 | ||
3019 | return 0; | |
3020 | } | |
3021 | ||
3022 | static ssize_t | |
3023 | qlcnic_sysfs_write_esw_config(struct file *file, struct kobject *kobj, | |
3024 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
3025 | { | |
3026 | struct device *dev = container_of(kobj, struct device, kobj); | |
3027 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3028 | struct qlcnic_esw_func_cfg *esw_cfg; | |
3029 | u8 id, discard_tagged, promsc_mode, mac_learn; | |
3030 | u8 vlan_tagging, pci_func, vlan_id; | |
3031 | int count, rem, i, ret; | |
3032 | ||
3033 | count = size / sizeof(struct qlcnic_esw_func_cfg); | |
3034 | rem = size % sizeof(struct qlcnic_esw_func_cfg); | |
3035 | if (rem) | |
3036 | return QL_STATUS_INVALID_PARAM; | |
3037 | ||
3038 | esw_cfg = (struct qlcnic_esw_func_cfg *) buf; | |
3039 | ret = validate_esw_config(adapter, esw_cfg, count); | |
3040 | if (ret) | |
3041 | return ret; | |
3042 | ||
3043 | for (i = 0; i < count; i++) { | |
3044 | pci_func = esw_cfg[i].pci_func; | |
3045 | id = adapter->npars[pci_func].phy_port; | |
3046 | vlan_tagging = esw_cfg[i].host_vlan_tag; | |
3047 | promsc_mode = esw_cfg[i].promisc_mode; | |
3048 | mac_learn = esw_cfg[i].mac_learning; | |
3049 | vlan_id = esw_cfg[i].vlan_id; | |
3050 | discard_tagged = esw_cfg[i].discard_tagged; | |
3051 | ret = qlcnic_config_switch_port(adapter, id, vlan_tagging, | |
3052 | discard_tagged, | |
3053 | promsc_mode, | |
3054 | mac_learn, | |
3055 | pci_func, | |
3056 | vlan_id); | |
3057 | if (ret) | |
3058 | return ret; | |
3059 | } | |
3060 | ||
3061 | for (i = 0; i < count; i++) { | |
3062 | pci_func = esw_cfg[i].pci_func; | |
3063 | adapter->npars[pci_func].promisc_mode = esw_cfg[i].promisc_mode; | |
3064 | adapter->npars[pci_func].mac_learning = esw_cfg[i].mac_learning; | |
3065 | adapter->npars[pci_func].vlan_id = esw_cfg[i].vlan_id; | |
3066 | adapter->npars[pci_func].discard_tagged = | |
3067 | esw_cfg[i].discard_tagged; | |
3068 | adapter->npars[pci_func].host_vlan_tag = | |
3069 | esw_cfg[i].host_vlan_tag; | |
3070 | } | |
3071 | ||
3072 | return size; | |
3073 | } | |
3074 | ||
3075 | static ssize_t | |
3076 | qlcnic_sysfs_read_esw_config(struct file *file, struct kobject *kobj, | |
3077 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
3078 | { | |
3079 | struct device *dev = container_of(kobj, struct device, kobj); | |
3080 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3081 | struct qlcnic_esw_func_cfg esw_cfg[QLCNIC_MAX_PCI_FUNC]; | |
3082 | int i; | |
3083 | ||
3084 | if (size != sizeof(esw_cfg)) | |
3085 | return QL_STATUS_INVALID_PARAM; | |
3086 | ||
3087 | for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) { | |
3088 | if (adapter->npars[i].type != QLCNIC_TYPE_NIC) | |
3089 | continue; | |
3090 | ||
3091 | esw_cfg[i].host_vlan_tag = adapter->npars[i].host_vlan_tag; | |
3092 | esw_cfg[i].promisc_mode = adapter->npars[i].promisc_mode; | |
3093 | esw_cfg[i].discard_tagged = adapter->npars[i].discard_tagged; | |
3094 | esw_cfg[i].vlan_id = adapter->npars[i].vlan_id; | |
3095 | esw_cfg[i].mac_learning = adapter->npars[i].mac_learning; | |
3096 | } | |
3097 | memcpy(buf, &esw_cfg, size); | |
3098 | ||
3099 | return size; | |
3100 | } | |
3101 | ||
3102 | int | |
3103 | validate_npar_config(struct qlcnic_adapter *adapter, | |
3104 | struct qlcnic_npar_func_cfg *np_cfg, int count) | |
3105 | { | |
3106 | u8 pci_func, i; | |
3107 | ||
3108 | for (i = 0; i < count; i++) { | |
3109 | pci_func = np_cfg[i].pci_func; | |
3110 | if (pci_func >= QLCNIC_MAX_PCI_FUNC) | |
3111 | return QL_STATUS_INVALID_PARAM; | |
3112 | ||
3113 | if (adapter->npars[pci_func].type != QLCNIC_TYPE_NIC) | |
3114 | return QL_STATUS_INVALID_PARAM; | |
3115 | ||
3116 | if (!IS_VALID_BW(np_cfg[i].min_bw) | |
3117 | || !IS_VALID_BW(np_cfg[i].max_bw) | |
3118 | || !IS_VALID_RX_QUEUES(np_cfg[i].max_rx_queues) | |
3119 | || !IS_VALID_TX_QUEUES(np_cfg[i].max_tx_queues)) | |
3120 | return QL_STATUS_INVALID_PARAM; | |
3121 | } | |
3122 | return 0; | |
3123 | } | |
3124 | ||
3125 | static ssize_t | |
3126 | qlcnic_sysfs_write_npar_config(struct file *file, struct kobject *kobj, | |
3127 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
3128 | { | |
3129 | struct device *dev = container_of(kobj, struct device, kobj); | |
3130 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3131 | struct qlcnic_info nic_info; | |
3132 | struct qlcnic_npar_func_cfg *np_cfg; | |
3133 | int i, count, rem, ret; | |
3134 | u8 pci_func; | |
3135 | ||
3136 | count = size / sizeof(struct qlcnic_npar_func_cfg); | |
3137 | rem = size % sizeof(struct qlcnic_npar_func_cfg); | |
3138 | if (rem) | |
3139 | return QL_STATUS_INVALID_PARAM; | |
3140 | ||
3141 | np_cfg = (struct qlcnic_npar_func_cfg *) buf; | |
3142 | ret = validate_npar_config(adapter, np_cfg, count); | |
3143 | if (ret) | |
3144 | return ret; | |
3145 | ||
3146 | for (i = 0; i < count ; i++) { | |
3147 | pci_func = np_cfg[i].pci_func; | |
3148 | ret = qlcnic_get_nic_info(adapter, &nic_info, pci_func); | |
3149 | if (ret) | |
3150 | return ret; | |
3151 | nic_info.pci_func = pci_func; | |
3152 | nic_info.min_tx_bw = np_cfg[i].min_bw; | |
3153 | nic_info.max_tx_bw = np_cfg[i].max_bw; | |
3154 | ret = qlcnic_set_nic_info(adapter, &nic_info); | |
3155 | if (ret) | |
3156 | return ret; | |
3157 | } | |
3158 | ||
3159 | return size; | |
3160 | ||
3161 | } | |
3162 | static ssize_t | |
3163 | qlcnic_sysfs_read_npar_config(struct file *file, struct kobject *kobj, | |
3164 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
3165 | { | |
3166 | struct device *dev = container_of(kobj, struct device, kobj); | |
3167 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3168 | struct qlcnic_info nic_info; | |
3169 | struct qlcnic_npar_func_cfg np_cfg[QLCNIC_MAX_PCI_FUNC]; | |
3170 | int i, ret; | |
3171 | ||
3172 | if (size != sizeof(np_cfg)) | |
3173 | return QL_STATUS_INVALID_PARAM; | |
3174 | ||
3175 | for (i = 0; i < QLCNIC_MAX_PCI_FUNC ; i++) { | |
3176 | if (adapter->npars[i].type != QLCNIC_TYPE_NIC) | |
3177 | continue; | |
3178 | ret = qlcnic_get_nic_info(adapter, &nic_info, i); | |
3179 | if (ret) | |
3180 | return ret; | |
3181 | ||
3182 | np_cfg[i].pci_func = i; | |
3183 | np_cfg[i].op_mode = nic_info.op_mode; | |
3184 | np_cfg[i].port_num = nic_info.phys_port; | |
3185 | np_cfg[i].fw_capab = nic_info.capabilities; | |
3186 | np_cfg[i].min_bw = nic_info.min_tx_bw ; | |
3187 | np_cfg[i].max_bw = nic_info.max_tx_bw; | |
3188 | np_cfg[i].max_tx_queues = nic_info.max_tx_ques; | |
3189 | np_cfg[i].max_rx_queues = nic_info.max_rx_ques; | |
3190 | } | |
3191 | memcpy(buf, &np_cfg, size); | |
3192 | return size; | |
3193 | } | |
3194 | ||
3195 | static ssize_t | |
3196 | qlcnic_sysfs_read_pci_config(struct file *file, struct kobject *kobj, | |
3197 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
3198 | { | |
3199 | struct device *dev = container_of(kobj, struct device, kobj); | |
3200 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3201 | struct qlcnic_pci_func_cfg pci_cfg[QLCNIC_MAX_PCI_FUNC]; | |
3202 | struct qlcnic_pci_info pci_info[QLCNIC_MAX_PCI_FUNC]; | |
3203 | int i, ret; | |
3204 | ||
3205 | if (size != sizeof(pci_cfg)) | |
3206 | return QL_STATUS_INVALID_PARAM; | |
3207 | ||
3208 | ret = qlcnic_get_pci_info(adapter, pci_info); | |
3209 | if (ret) | |
3210 | return ret; | |
3211 | ||
3212 | for (i = 0; i < QLCNIC_MAX_PCI_FUNC ; i++) { | |
3213 | pci_cfg[i].pci_func = pci_info[i].id; | |
3214 | pci_cfg[i].func_type = pci_info[i].type; | |
3215 | pci_cfg[i].port_num = pci_info[i].default_port; | |
3216 | pci_cfg[i].min_bw = pci_info[i].tx_min_bw; | |
3217 | pci_cfg[i].max_bw = pci_info[i].tx_max_bw; | |
3218 | memcpy(&pci_cfg[i].def_mac_addr, &pci_info[i].mac, ETH_ALEN); | |
3219 | } | |
3220 | memcpy(buf, &pci_cfg, size); | |
3221 | return size; | |
3222 | ||
3223 | } | |
3224 | static struct bin_attribute bin_attr_npar_config = { | |
3225 | .attr = {.name = "npar_config", .mode = (S_IRUGO | S_IWUSR)}, | |
3226 | .size = 0, | |
3227 | .read = qlcnic_sysfs_read_npar_config, | |
3228 | .write = qlcnic_sysfs_write_npar_config, | |
3229 | }; | |
3230 | ||
3231 | static struct bin_attribute bin_attr_pci_config = { | |
3232 | .attr = {.name = "pci_config", .mode = (S_IRUGO | S_IWUSR)}, | |
3233 | .size = 0, | |
3234 | .read = qlcnic_sysfs_read_pci_config, | |
3235 | .write = NULL, | |
3236 | }; | |
3237 | ||
3238 | static struct bin_attribute bin_attr_esw_config = { | |
3239 | .attr = {.name = "esw_config", .mode = (S_IRUGO | S_IWUSR)}, | |
3240 | .size = 0, | |
3241 | .read = qlcnic_sysfs_read_esw_config, | |
3242 | .write = qlcnic_sysfs_write_esw_config, | |
3243 | }; | |
3244 | ||
3245 | static struct bin_attribute bin_attr_pm_config = { | |
3246 | .attr = {.name = "pm_config", .mode = (S_IRUGO | S_IWUSR)}, | |
3247 | .size = 0, | |
3248 | .read = qlcnic_sysfs_read_pm_config, | |
3249 | .write = qlcnic_sysfs_write_pm_config, | |
3250 | }; | |
3251 | ||
af19b491 AKS |
3252 | static void |
3253 | qlcnic_create_sysfs_entries(struct qlcnic_adapter *adapter) | |
3254 | { | |
3255 | struct device *dev = &adapter->pdev->dev; | |
3256 | ||
3257 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG) | |
3258 | if (device_create_file(dev, &dev_attr_bridged_mode)) | |
3259 | dev_warn(dev, | |
3260 | "failed to create bridged_mode sysfs entry\n"); | |
3261 | } | |
3262 | ||
3263 | static void | |
3264 | qlcnic_remove_sysfs_entries(struct qlcnic_adapter *adapter) | |
3265 | { | |
3266 | struct device *dev = &adapter->pdev->dev; | |
3267 | ||
3268 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG) | |
3269 | device_remove_file(dev, &dev_attr_bridged_mode); | |
3270 | } | |
3271 | ||
3272 | static void | |
3273 | qlcnic_create_diag_entries(struct qlcnic_adapter *adapter) | |
3274 | { | |
3275 | struct device *dev = &adapter->pdev->dev; | |
3276 | ||
132ff00a AC |
3277 | if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC) |
3278 | return; | |
af19b491 AKS |
3279 | if (device_create_file(dev, &dev_attr_diag_mode)) |
3280 | dev_info(dev, "failed to create diag_mode sysfs entry\n"); | |
3281 | if (device_create_bin_file(dev, &bin_attr_crb)) | |
3282 | dev_info(dev, "failed to create crb sysfs entry\n"); | |
3283 | if (device_create_bin_file(dev, &bin_attr_mem)) | |
3284 | dev_info(dev, "failed to create mem sysfs entry\n"); | |
346fe763 RB |
3285 | if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) || |
3286 | adapter->op_mode != QLCNIC_MGMT_FUNC) | |
3287 | return; | |
3288 | if (device_create_bin_file(dev, &bin_attr_pci_config)) | |
3289 | dev_info(dev, "failed to create pci config sysfs entry"); | |
3290 | if (device_create_bin_file(dev, &bin_attr_npar_config)) | |
3291 | dev_info(dev, "failed to create npar config sysfs entry"); | |
3292 | if (device_create_bin_file(dev, &bin_attr_esw_config)) | |
3293 | dev_info(dev, "failed to create esw config sysfs entry"); | |
3294 | if (device_create_bin_file(dev, &bin_attr_pm_config)) | |
3295 | dev_info(dev, "failed to create pm config sysfs entry"); | |
3296 | ||
af19b491 AKS |
3297 | } |
3298 | ||
af19b491 AKS |
3299 | static void |
3300 | qlcnic_remove_diag_entries(struct qlcnic_adapter *adapter) | |
3301 | { | |
3302 | struct device *dev = &adapter->pdev->dev; | |
3303 | ||
132ff00a AC |
3304 | if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC) |
3305 | return; | |
af19b491 AKS |
3306 | device_remove_file(dev, &dev_attr_diag_mode); |
3307 | device_remove_bin_file(dev, &bin_attr_crb); | |
3308 | device_remove_bin_file(dev, &bin_attr_mem); | |
346fe763 RB |
3309 | if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) || |
3310 | adapter->op_mode != QLCNIC_MGMT_FUNC) | |
3311 | return; | |
3312 | device_remove_bin_file(dev, &bin_attr_pci_config); | |
3313 | device_remove_bin_file(dev, &bin_attr_npar_config); | |
3314 | device_remove_bin_file(dev, &bin_attr_esw_config); | |
3315 | device_remove_bin_file(dev, &bin_attr_pm_config); | |
af19b491 AKS |
3316 | } |
3317 | ||
3318 | #ifdef CONFIG_INET | |
3319 | ||
3320 | #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops) | |
3321 | ||
af19b491 AKS |
3322 | static void |
3323 | qlcnic_config_indev_addr(struct net_device *dev, unsigned long event) | |
3324 | { | |
3325 | struct in_device *indev; | |
3326 | struct qlcnic_adapter *adapter = netdev_priv(dev); | |
3327 | ||
af19b491 AKS |
3328 | indev = in_dev_get(dev); |
3329 | if (!indev) | |
3330 | return; | |
3331 | ||
3332 | for_ifa(indev) { | |
3333 | switch (event) { | |
3334 | case NETDEV_UP: | |
3335 | qlcnic_config_ipaddr(adapter, | |
3336 | ifa->ifa_address, QLCNIC_IP_UP); | |
3337 | break; | |
3338 | case NETDEV_DOWN: | |
3339 | qlcnic_config_ipaddr(adapter, | |
3340 | ifa->ifa_address, QLCNIC_IP_DOWN); | |
3341 | break; | |
3342 | default: | |
3343 | break; | |
3344 | } | |
3345 | } endfor_ifa(indev); | |
3346 | ||
3347 | in_dev_put(indev); | |
af19b491 AKS |
3348 | } |
3349 | ||
3350 | static int qlcnic_netdev_event(struct notifier_block *this, | |
3351 | unsigned long event, void *ptr) | |
3352 | { | |
3353 | struct qlcnic_adapter *adapter; | |
3354 | struct net_device *dev = (struct net_device *)ptr; | |
3355 | ||
3356 | recheck: | |
3357 | if (dev == NULL) | |
3358 | goto done; | |
3359 | ||
3360 | if (dev->priv_flags & IFF_802_1Q_VLAN) { | |
3361 | dev = vlan_dev_real_dev(dev); | |
3362 | goto recheck; | |
3363 | } | |
3364 | ||
3365 | if (!is_qlcnic_netdev(dev)) | |
3366 | goto done; | |
3367 | ||
3368 | adapter = netdev_priv(dev); | |
3369 | ||
3370 | if (!adapter) | |
3371 | goto done; | |
3372 | ||
8a15ad1f | 3373 | if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) |
af19b491 AKS |
3374 | goto done; |
3375 | ||
3376 | qlcnic_config_indev_addr(dev, event); | |
3377 | done: | |
3378 | return NOTIFY_DONE; | |
3379 | } | |
3380 | ||
3381 | static int | |
3382 | qlcnic_inetaddr_event(struct notifier_block *this, | |
3383 | unsigned long event, void *ptr) | |
3384 | { | |
3385 | struct qlcnic_adapter *adapter; | |
3386 | struct net_device *dev; | |
3387 | ||
3388 | struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; | |
3389 | ||
3390 | dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; | |
3391 | ||
3392 | recheck: | |
3393 | if (dev == NULL || !netif_running(dev)) | |
3394 | goto done; | |
3395 | ||
3396 | if (dev->priv_flags & IFF_802_1Q_VLAN) { | |
3397 | dev = vlan_dev_real_dev(dev); | |
3398 | goto recheck; | |
3399 | } | |
3400 | ||
3401 | if (!is_qlcnic_netdev(dev)) | |
3402 | goto done; | |
3403 | ||
3404 | adapter = netdev_priv(dev); | |
3405 | ||
251a84c9 | 3406 | if (!adapter) |
af19b491 AKS |
3407 | goto done; |
3408 | ||
8a15ad1f | 3409 | if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) |
af19b491 AKS |
3410 | goto done; |
3411 | ||
3412 | switch (event) { | |
3413 | case NETDEV_UP: | |
3414 | qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP); | |
3415 | break; | |
3416 | case NETDEV_DOWN: | |
3417 | qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN); | |
3418 | break; | |
3419 | default: | |
3420 | break; | |
3421 | } | |
3422 | ||
3423 | done: | |
3424 | return NOTIFY_DONE; | |
3425 | } | |
3426 | ||
3427 | static struct notifier_block qlcnic_netdev_cb = { | |
3428 | .notifier_call = qlcnic_netdev_event, | |
3429 | }; | |
3430 | ||
3431 | static struct notifier_block qlcnic_inetaddr_cb = { | |
3432 | .notifier_call = qlcnic_inetaddr_event, | |
3433 | }; | |
3434 | #else | |
3435 | static void | |
3436 | qlcnic_config_indev_addr(struct net_device *dev, unsigned long event) | |
3437 | { } | |
3438 | #endif | |
3439 | ||
3440 | static struct pci_driver qlcnic_driver = { | |
3441 | .name = qlcnic_driver_name, | |
3442 | .id_table = qlcnic_pci_tbl, | |
3443 | .probe = qlcnic_probe, | |
3444 | .remove = __devexit_p(qlcnic_remove), | |
3445 | #ifdef CONFIG_PM | |
3446 | .suspend = qlcnic_suspend, | |
3447 | .resume = qlcnic_resume, | |
3448 | #endif | |
3449 | .shutdown = qlcnic_shutdown | |
3450 | }; | |
3451 | ||
3452 | static int __init qlcnic_init_module(void) | |
3453 | { | |
3454 | ||
3455 | printk(KERN_INFO "%s\n", qlcnic_driver_string); | |
3456 | ||
3457 | #ifdef CONFIG_INET | |
3458 | register_netdevice_notifier(&qlcnic_netdev_cb); | |
3459 | register_inetaddr_notifier(&qlcnic_inetaddr_cb); | |
3460 | #endif | |
3461 | ||
3462 | ||
3463 | return pci_register_driver(&qlcnic_driver); | |
3464 | } | |
3465 | ||
3466 | module_init(qlcnic_init_module); | |
3467 | ||
3468 | static void __exit qlcnic_exit_module(void) | |
3469 | { | |
3470 | ||
3471 | pci_unregister_driver(&qlcnic_driver); | |
3472 | ||
3473 | #ifdef CONFIG_INET | |
3474 | unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); | |
3475 | unregister_netdevice_notifier(&qlcnic_netdev_cb); | |
3476 | #endif | |
3477 | } | |
3478 | ||
3479 | module_exit(qlcnic_exit_module); |