Commit | Line | Data |
---|---|---|
af19b491 | 1 | /* |
40839129 SV |
2 | * QLogic qlcnic NIC Driver |
3 | * Copyright (c) 2009-2010 QLogic Corporation | |
af19b491 | 4 | * |
40839129 | 5 | * See LICENSE.qlcnic for copyright and licensing details. |
af19b491 AKS |
6 | */ |
7 | ||
5a0e3ad6 | 8 | #include <linux/slab.h> |
af19b491 AKS |
9 | #include <linux/vmalloc.h> |
10 | #include <linux/interrupt.h> | |
11 | ||
12 | #include "qlcnic.h" | |
13 | ||
7e56cac4 | 14 | #include <linux/swab.h> |
af19b491 AKS |
15 | #include <linux/dma-mapping.h> |
16 | #include <linux/if_vlan.h> | |
17 | #include <net/ip.h> | |
18 | #include <linux/ipv6.h> | |
19 | #include <linux/inetdevice.h> | |
20 | #include <linux/sysfs.h> | |
451724c8 | 21 | #include <linux/aer.h> |
af19b491 | 22 | |
7f9a0c34 | 23 | MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver"); |
af19b491 AKS |
24 | MODULE_LICENSE("GPL"); |
25 | MODULE_VERSION(QLCNIC_LINUX_VERSIONID); | |
26 | MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME); | |
27 | ||
28 | char qlcnic_driver_name[] = "qlcnic"; | |
7f9a0c34 SV |
29 | static const char qlcnic_driver_string[] = "QLogic 1/10 GbE " |
30 | "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID; | |
af19b491 | 31 | |
f7ec804a | 32 | static struct workqueue_struct *qlcnic_wq; |
b5e5492c | 33 | static int qlcnic_mac_learn; |
b11a25aa | 34 | module_param(qlcnic_mac_learn, int, 0444); |
b5e5492c AKS |
35 | MODULE_PARM_DESC(qlcnic_mac_learn, "Mac Filter (0=disabled, 1=enabled)"); |
36 | ||
af19b491 | 37 | static int use_msi = 1; |
b11a25aa | 38 | module_param(use_msi, int, 0444); |
af19b491 AKS |
39 | MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled"); |
40 | ||
41 | static int use_msi_x = 1; | |
b11a25aa | 42 | module_param(use_msi_x, int, 0444); |
af19b491 AKS |
43 | MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled"); |
44 | ||
9ce13ca8 | 45 | static int auto_fw_reset = 1; |
af19b491 AKS |
46 | module_param(auto_fw_reset, int, 0644); |
47 | MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled"); | |
48 | ||
4d5bdb38 | 49 | static int load_fw_file; |
b11a25aa | 50 | module_param(load_fw_file, int, 0444); |
4d5bdb38 AKS |
51 | MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file"); |
52 | ||
2e9d722d | 53 | static int qlcnic_config_npars; |
b11a25aa | 54 | module_param(qlcnic_config_npars, int, 0444); |
2e9d722d AC |
55 | MODULE_PARM_DESC(qlcnic_config_npars, "Configure NPARs (0=disabled, 1=enabled"); |
56 | ||
af19b491 AKS |
57 | static int __devinit qlcnic_probe(struct pci_dev *pdev, |
58 | const struct pci_device_id *ent); | |
59 | static void __devexit qlcnic_remove(struct pci_dev *pdev); | |
60 | static int qlcnic_open(struct net_device *netdev); | |
61 | static int qlcnic_close(struct net_device *netdev); | |
af19b491 | 62 | static void qlcnic_tx_timeout(struct net_device *netdev); |
af19b491 AKS |
63 | static void qlcnic_attach_work(struct work_struct *work); |
64 | static void qlcnic_fwinit_work(struct work_struct *work); | |
65 | static void qlcnic_fw_poll_work(struct work_struct *work); | |
66 | static void qlcnic_schedule_work(struct qlcnic_adapter *adapter, | |
67 | work_func_t func, int delay); | |
68 | static void qlcnic_cancel_fw_work(struct qlcnic_adapter *adapter); | |
69 | static int qlcnic_poll(struct napi_struct *napi, int budget); | |
8f891387 | 70 | static int qlcnic_rx_poll(struct napi_struct *napi, int budget); |
af19b491 AKS |
71 | #ifdef CONFIG_NET_POLL_CONTROLLER |
72 | static void qlcnic_poll_controller(struct net_device *netdev); | |
73 | #endif | |
74 | ||
75 | static void qlcnic_create_sysfs_entries(struct qlcnic_adapter *adapter); | |
76 | static void qlcnic_remove_sysfs_entries(struct qlcnic_adapter *adapter); | |
77 | static void qlcnic_create_diag_entries(struct qlcnic_adapter *adapter); | |
78 | static void qlcnic_remove_diag_entries(struct qlcnic_adapter *adapter); | |
79 | ||
6df900e9 | 80 | static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding); |
21854f02 | 81 | static void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8); |
af19b491 AKS |
82 | static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter); |
83 | ||
7eb9855d | 84 | static irqreturn_t qlcnic_tmp_intr(int irq, void *data); |
af19b491 AKS |
85 | static irqreturn_t qlcnic_intr(int irq, void *data); |
86 | static irqreturn_t qlcnic_msi_intr(int irq, void *data); | |
87 | static irqreturn_t qlcnic_msix_intr(int irq, void *data); | |
88 | ||
89 | static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev); | |
aec1e845 | 90 | static void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long); |
9f26f547 AC |
91 | static int qlcnic_start_firmware(struct qlcnic_adapter *); |
92 | ||
b5e5492c AKS |
93 | static void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter); |
94 | static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter); | |
9f26f547 | 95 | static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *); |
9f26f547 AC |
96 | static int qlcnicvf_config_led(struct qlcnic_adapter *, u32, u32); |
97 | static int qlcnicvf_config_bridged_mode(struct qlcnic_adapter *, u32); | |
98 | static int qlcnicvf_start_firmware(struct qlcnic_adapter *); | |
0325d69b RB |
99 | static void qlcnic_set_netdev_features(struct qlcnic_adapter *, |
100 | struct qlcnic_esw_func_cfg *); | |
af19b491 AKS |
101 | /* PCI Device ID Table */ |
102 | #define ENTRY(device) \ | |
103 | {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \ | |
104 | .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0} | |
105 | ||
106 | #define PCI_DEVICE_ID_QLOGIC_QLE824X 0x8020 | |
107 | ||
6a902881 | 108 | static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = { |
af19b491 AKS |
109 | ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X), |
110 | {0,} | |
111 | }; | |
112 | ||
113 | MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl); | |
114 | ||
115 | ||
116 | void | |
117 | qlcnic_update_cmd_producer(struct qlcnic_adapter *adapter, | |
118 | struct qlcnic_host_tx_ring *tx_ring) | |
119 | { | |
120 | writel(tx_ring->producer, tx_ring->crb_cmd_producer); | |
af19b491 AKS |
121 | } |
122 | ||
123 | static const u32 msi_tgt_status[8] = { | |
124 | ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, | |
125 | ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3, | |
126 | ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5, | |
127 | ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7 | |
128 | }; | |
129 | ||
130 | static const | |
131 | struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG; | |
132 | ||
133 | static inline void qlcnic_disable_int(struct qlcnic_host_sds_ring *sds_ring) | |
134 | { | |
135 | writel(0, sds_ring->crb_intr_mask); | |
136 | } | |
137 | ||
138 | static inline void qlcnic_enable_int(struct qlcnic_host_sds_ring *sds_ring) | |
139 | { | |
140 | struct qlcnic_adapter *adapter = sds_ring->adapter; | |
141 | ||
142 | writel(0x1, sds_ring->crb_intr_mask); | |
143 | ||
144 | if (!QLCNIC_IS_MSI_FAMILY(adapter)) | |
145 | writel(0xfbff, adapter->tgt_mask_reg); | |
146 | } | |
147 | ||
148 | static int | |
149 | qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count) | |
150 | { | |
151 | int size = sizeof(struct qlcnic_host_sds_ring) * count; | |
152 | ||
153 | recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL); | |
154 | ||
807540ba | 155 | return recv_ctx->sds_rings == NULL; |
af19b491 AKS |
156 | } |
157 | ||
158 | static void | |
159 | qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx) | |
160 | { | |
161 | if (recv_ctx->sds_rings != NULL) | |
162 | kfree(recv_ctx->sds_rings); | |
163 | ||
164 | recv_ctx->sds_rings = NULL; | |
165 | } | |
166 | ||
167 | static int | |
168 | qlcnic_napi_add(struct qlcnic_adapter *adapter, struct net_device *netdev) | |
169 | { | |
170 | int ring; | |
171 | struct qlcnic_host_sds_ring *sds_ring; | |
172 | struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx; | |
173 | ||
174 | if (qlcnic_alloc_sds_rings(recv_ctx, adapter->max_sds_rings)) | |
175 | return -ENOMEM; | |
176 | ||
177 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
178 | sds_ring = &recv_ctx->sds_rings[ring]; | |
8f891387 | 179 | |
180 | if (ring == adapter->max_sds_rings - 1) | |
181 | netif_napi_add(netdev, &sds_ring->napi, qlcnic_poll, | |
182 | QLCNIC_NETDEV_WEIGHT/adapter->max_sds_rings); | |
183 | else | |
184 | netif_napi_add(netdev, &sds_ring->napi, | |
185 | qlcnic_rx_poll, QLCNIC_NETDEV_WEIGHT*2); | |
af19b491 AKS |
186 | } |
187 | ||
188 | return 0; | |
189 | } | |
190 | ||
191 | static void | |
192 | qlcnic_napi_del(struct qlcnic_adapter *adapter) | |
193 | { | |
194 | int ring; | |
195 | struct qlcnic_host_sds_ring *sds_ring; | |
196 | struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx; | |
197 | ||
198 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
199 | sds_ring = &recv_ctx->sds_rings[ring]; | |
200 | netif_napi_del(&sds_ring->napi); | |
201 | } | |
202 | ||
203 | qlcnic_free_sds_rings(&adapter->recv_ctx); | |
204 | } | |
205 | ||
206 | static void | |
207 | qlcnic_napi_enable(struct qlcnic_adapter *adapter) | |
208 | { | |
209 | int ring; | |
210 | struct qlcnic_host_sds_ring *sds_ring; | |
211 | struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx; | |
212 | ||
780ab790 AKS |
213 | if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) |
214 | return; | |
215 | ||
af19b491 AKS |
216 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
217 | sds_ring = &recv_ctx->sds_rings[ring]; | |
218 | napi_enable(&sds_ring->napi); | |
219 | qlcnic_enable_int(sds_ring); | |
220 | } | |
221 | } | |
222 | ||
223 | static void | |
224 | qlcnic_napi_disable(struct qlcnic_adapter *adapter) | |
225 | { | |
226 | int ring; | |
227 | struct qlcnic_host_sds_ring *sds_ring; | |
228 | struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx; | |
229 | ||
780ab790 AKS |
230 | if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) |
231 | return; | |
232 | ||
af19b491 AKS |
233 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
234 | sds_ring = &recv_ctx->sds_rings[ring]; | |
235 | qlcnic_disable_int(sds_ring); | |
236 | napi_synchronize(&sds_ring->napi); | |
237 | napi_disable(&sds_ring->napi); | |
238 | } | |
239 | } | |
240 | ||
241 | static void qlcnic_clear_stats(struct qlcnic_adapter *adapter) | |
242 | { | |
243 | memset(&adapter->stats, 0, sizeof(adapter->stats)); | |
af19b491 AKS |
244 | } |
245 | ||
af19b491 AKS |
246 | static void qlcnic_set_msix_bit(struct pci_dev *pdev, int enable) |
247 | { | |
248 | u32 control; | |
249 | int pos; | |
250 | ||
251 | pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX); | |
252 | if (pos) { | |
253 | pci_read_config_dword(pdev, pos, &control); | |
254 | if (enable) | |
255 | control |= PCI_MSIX_FLAGS_ENABLE; | |
256 | else | |
257 | control = 0; | |
258 | pci_write_config_dword(pdev, pos, control); | |
259 | } | |
260 | } | |
261 | ||
262 | static void qlcnic_init_msix_entries(struct qlcnic_adapter *adapter, int count) | |
263 | { | |
264 | int i; | |
265 | ||
266 | for (i = 0; i < count; i++) | |
267 | adapter->msix_entries[i].entry = i; | |
268 | } | |
269 | ||
270 | static int | |
271 | qlcnic_read_mac_addr(struct qlcnic_adapter *adapter) | |
272 | { | |
2e9d722d | 273 | u8 mac_addr[ETH_ALEN]; |
af19b491 AKS |
274 | struct net_device *netdev = adapter->netdev; |
275 | struct pci_dev *pdev = adapter->pdev; | |
276 | ||
da48e6c3 | 277 | if (qlcnic_get_mac_address(adapter, mac_addr) != 0) |
af19b491 AKS |
278 | return -EIO; |
279 | ||
2e9d722d | 280 | memcpy(netdev->dev_addr, mac_addr, ETH_ALEN); |
af19b491 AKS |
281 | memcpy(netdev->perm_addr, netdev->dev_addr, netdev->addr_len); |
282 | memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len); | |
283 | ||
284 | /* set station address */ | |
285 | ||
286 | if (!is_valid_ether_addr(netdev->perm_addr)) | |
287 | dev_warn(&pdev->dev, "Bad MAC address %pM.\n", | |
288 | netdev->dev_addr); | |
289 | ||
290 | return 0; | |
291 | } | |
292 | ||
293 | static int qlcnic_set_mac(struct net_device *netdev, void *p) | |
294 | { | |
295 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
296 | struct sockaddr *addr = p; | |
297 | ||
7373373d RB |
298 | if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED)) |
299 | return -EOPNOTSUPP; | |
300 | ||
af19b491 AKS |
301 | if (!is_valid_ether_addr(addr->sa_data)) |
302 | return -EINVAL; | |
303 | ||
8a15ad1f | 304 | if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { |
af19b491 AKS |
305 | netif_device_detach(netdev); |
306 | qlcnic_napi_disable(adapter); | |
307 | } | |
308 | ||
309 | memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len); | |
310 | memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); | |
311 | qlcnic_set_multi(adapter->netdev); | |
312 | ||
8a15ad1f | 313 | if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { |
af19b491 AKS |
314 | netif_device_attach(netdev); |
315 | qlcnic_napi_enable(adapter); | |
316 | } | |
317 | return 0; | |
318 | } | |
319 | ||
d5790663 AKS |
320 | static void qlcnic_vlan_rx_register(struct net_device *netdev, |
321 | struct vlan_group *grp) | |
322 | { | |
323 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
324 | adapter->vlgrp = grp; | |
325 | } | |
326 | ||
af19b491 AKS |
327 | static const struct net_device_ops qlcnic_netdev_ops = { |
328 | .ndo_open = qlcnic_open, | |
329 | .ndo_stop = qlcnic_close, | |
330 | .ndo_start_xmit = qlcnic_xmit_frame, | |
331 | .ndo_get_stats = qlcnic_get_stats, | |
332 | .ndo_validate_addr = eth_validate_addr, | |
333 | .ndo_set_multicast_list = qlcnic_set_multi, | |
334 | .ndo_set_mac_address = qlcnic_set_mac, | |
335 | .ndo_change_mtu = qlcnic_change_mtu, | |
336 | .ndo_tx_timeout = qlcnic_tx_timeout, | |
d5790663 | 337 | .ndo_vlan_rx_register = qlcnic_vlan_rx_register, |
af19b491 AKS |
338 | #ifdef CONFIG_NET_POLL_CONTROLLER |
339 | .ndo_poll_controller = qlcnic_poll_controller, | |
340 | #endif | |
341 | }; | |
342 | ||
2e9d722d | 343 | static struct qlcnic_nic_template qlcnic_ops = { |
2e9d722d AC |
344 | .config_bridged_mode = qlcnic_config_bridged_mode, |
345 | .config_led = qlcnic_config_led, | |
9f26f547 AC |
346 | .start_firmware = qlcnic_start_firmware |
347 | }; | |
348 | ||
349 | static struct qlcnic_nic_template qlcnic_vf_ops = { | |
9f26f547 AC |
350 | .config_bridged_mode = qlcnicvf_config_bridged_mode, |
351 | .config_led = qlcnicvf_config_led, | |
9f26f547 | 352 | .start_firmware = qlcnicvf_start_firmware |
2e9d722d AC |
353 | }; |
354 | ||
af19b491 AKS |
355 | static void |
356 | qlcnic_setup_intr(struct qlcnic_adapter *adapter) | |
357 | { | |
358 | const struct qlcnic_legacy_intr_set *legacy_intrp; | |
359 | struct pci_dev *pdev = adapter->pdev; | |
360 | int err, num_msix; | |
361 | ||
362 | if (adapter->rss_supported) { | |
363 | num_msix = (num_online_cpus() >= MSIX_ENTRIES_PER_ADAPTER) ? | |
364 | MSIX_ENTRIES_PER_ADAPTER : 2; | |
365 | } else | |
366 | num_msix = 1; | |
367 | ||
368 | adapter->max_sds_rings = 1; | |
369 | ||
370 | adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED); | |
371 | ||
372 | legacy_intrp = &legacy_intr[adapter->ahw.pci_func]; | |
373 | ||
374 | adapter->int_vec_bit = legacy_intrp->int_vec_bit; | |
375 | adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter, | |
376 | legacy_intrp->tgt_status_reg); | |
377 | adapter->tgt_mask_reg = qlcnic_get_ioaddr(adapter, | |
378 | legacy_intrp->tgt_mask_reg); | |
379 | adapter->isr_int_vec = qlcnic_get_ioaddr(adapter, ISR_INT_VECTOR); | |
380 | ||
381 | adapter->crb_int_state_reg = qlcnic_get_ioaddr(adapter, | |
382 | ISR_INT_STATE_REG); | |
383 | ||
384 | qlcnic_set_msix_bit(pdev, 0); | |
385 | ||
386 | if (adapter->msix_supported) { | |
387 | ||
388 | qlcnic_init_msix_entries(adapter, num_msix); | |
389 | err = pci_enable_msix(pdev, adapter->msix_entries, num_msix); | |
390 | if (err == 0) { | |
391 | adapter->flags |= QLCNIC_MSIX_ENABLED; | |
392 | qlcnic_set_msix_bit(pdev, 1); | |
393 | ||
394 | if (adapter->rss_supported) | |
395 | adapter->max_sds_rings = num_msix; | |
396 | ||
397 | dev_info(&pdev->dev, "using msi-x interrupts\n"); | |
398 | return; | |
399 | } | |
400 | ||
401 | if (err > 0) | |
402 | pci_disable_msix(pdev); | |
403 | ||
404 | /* fall through for msi */ | |
405 | } | |
406 | ||
407 | if (use_msi && !pci_enable_msi(pdev)) { | |
408 | adapter->flags |= QLCNIC_MSI_ENABLED; | |
409 | adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter, | |
410 | msi_tgt_status[adapter->ahw.pci_func]); | |
411 | dev_info(&pdev->dev, "using msi interrupts\n"); | |
412 | adapter->msix_entries[0].vector = pdev->irq; | |
413 | return; | |
414 | } | |
415 | ||
416 | dev_info(&pdev->dev, "using legacy interrupts\n"); | |
417 | adapter->msix_entries[0].vector = pdev->irq; | |
418 | } | |
419 | ||
420 | static void | |
421 | qlcnic_teardown_intr(struct qlcnic_adapter *adapter) | |
422 | { | |
423 | if (adapter->flags & QLCNIC_MSIX_ENABLED) | |
424 | pci_disable_msix(adapter->pdev); | |
425 | if (adapter->flags & QLCNIC_MSI_ENABLED) | |
426 | pci_disable_msi(adapter->pdev); | |
427 | } | |
428 | ||
429 | static void | |
430 | qlcnic_cleanup_pci_map(struct qlcnic_adapter *adapter) | |
431 | { | |
432 | if (adapter->ahw.pci_base0 != NULL) | |
433 | iounmap(adapter->ahw.pci_base0); | |
434 | } | |
435 | ||
346fe763 RB |
436 | static int |
437 | qlcnic_init_pci_info(struct qlcnic_adapter *adapter) | |
438 | { | |
e88db3bd | 439 | struct qlcnic_pci_info *pci_info; |
900853a4 | 440 | int i, ret = 0; |
346fe763 RB |
441 | u8 pfn; |
442 | ||
e88db3bd DC |
443 | pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL); |
444 | if (!pci_info) | |
445 | return -ENOMEM; | |
446 | ||
ca315ac2 | 447 | adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) * |
346fe763 | 448 | QLCNIC_MAX_PCI_FUNC, GFP_KERNEL); |
e88db3bd | 449 | if (!adapter->npars) { |
900853a4 | 450 | ret = -ENOMEM; |
e88db3bd DC |
451 | goto err_pci_info; |
452 | } | |
346fe763 | 453 | |
ca315ac2 | 454 | adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) * |
346fe763 RB |
455 | QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL); |
456 | if (!adapter->eswitch) { | |
900853a4 | 457 | ret = -ENOMEM; |
ca315ac2 | 458 | goto err_npars; |
346fe763 RB |
459 | } |
460 | ||
461 | ret = qlcnic_get_pci_info(adapter, pci_info); | |
ca315ac2 DC |
462 | if (ret) |
463 | goto err_eswitch; | |
346fe763 | 464 | |
ca315ac2 DC |
465 | for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) { |
466 | pfn = pci_info[i].id; | |
467 | if (pfn > QLCNIC_MAX_PCI_FUNC) | |
468 | return QL_STATUS_INVALID_PARAM; | |
a1c0c459 SC |
469 | adapter->npars[pfn].active = (u8)pci_info[i].active; |
470 | adapter->npars[pfn].type = (u8)pci_info[i].type; | |
471 | adapter->npars[pfn].phy_port = (u8)pci_info[i].default_port; | |
ca315ac2 DC |
472 | adapter->npars[pfn].min_bw = pci_info[i].tx_min_bw; |
473 | adapter->npars[pfn].max_bw = pci_info[i].tx_max_bw; | |
346fe763 RB |
474 | } |
475 | ||
ca315ac2 DC |
476 | for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) |
477 | adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE; | |
478 | ||
e88db3bd | 479 | kfree(pci_info); |
ca315ac2 DC |
480 | return 0; |
481 | ||
482 | err_eswitch: | |
346fe763 RB |
483 | kfree(adapter->eswitch); |
484 | adapter->eswitch = NULL; | |
ca315ac2 | 485 | err_npars: |
346fe763 | 486 | kfree(adapter->npars); |
ca315ac2 | 487 | adapter->npars = NULL; |
e88db3bd DC |
488 | err_pci_info: |
489 | kfree(pci_info); | |
346fe763 RB |
490 | |
491 | return ret; | |
492 | } | |
493 | ||
2e9d722d AC |
494 | static int |
495 | qlcnic_set_function_modes(struct qlcnic_adapter *adapter) | |
496 | { | |
497 | u8 id; | |
498 | u32 ref_count; | |
499 | int i, ret = 1; | |
500 | u32 data = QLCNIC_MGMT_FUNC; | |
501 | void __iomem *priv_op = adapter->ahw.pci_base0 + QLCNIC_DRV_OP_MODE; | |
502 | ||
503 | /* If other drivers are not in use set their privilege level */ | |
31018e06 | 504 | ref_count = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE); |
2e9d722d AC |
505 | ret = qlcnic_api_lock(adapter); |
506 | if (ret) | |
507 | goto err_lock; | |
2e9d722d | 508 | |
0e33c664 AC |
509 | if (qlcnic_config_npars) { |
510 | for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) { | |
346fe763 | 511 | id = i; |
0e33c664 AC |
512 | if (adapter->npars[i].type != QLCNIC_TYPE_NIC || |
513 | id == adapter->ahw.pci_func) | |
514 | continue; | |
515 | data |= (qlcnic_config_npars & | |
516 | QLC_DEV_SET_DRV(0xf, id)); | |
517 | } | |
518 | } else { | |
519 | data = readl(priv_op); | |
520 | data = (data & ~QLC_DEV_SET_DRV(0xf, adapter->ahw.pci_func)) | | |
521 | (QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, | |
522 | adapter->ahw.pci_func)); | |
2e9d722d AC |
523 | } |
524 | writel(data, priv_op); | |
2e9d722d AC |
525 | qlcnic_api_unlock(adapter); |
526 | err_lock: | |
527 | return ret; | |
528 | } | |
529 | ||
0866d96d AC |
530 | static void |
531 | qlcnic_check_vf(struct qlcnic_adapter *adapter) | |
2e9d722d AC |
532 | { |
533 | void __iomem *msix_base_addr; | |
534 | void __iomem *priv_op; | |
535 | u32 func; | |
536 | u32 msix_base; | |
537 | u32 op_mode, priv_level; | |
538 | ||
539 | /* Determine FW API version */ | |
540 | adapter->fw_hal_version = readl(adapter->ahw.pci_base0 + QLCNIC_FW_API); | |
2e9d722d AC |
541 | |
542 | /* Find PCI function number */ | |
543 | pci_read_config_dword(adapter->pdev, QLCNIC_MSIX_TABLE_OFFSET, &func); | |
544 | msix_base_addr = adapter->ahw.pci_base0 + QLCNIC_MSIX_BASE; | |
545 | msix_base = readl(msix_base_addr); | |
546 | func = (func - msix_base)/QLCNIC_MSIX_TBL_PGSIZE; | |
547 | adapter->ahw.pci_func = func; | |
548 | ||
549 | /* Determine function privilege level */ | |
550 | priv_op = adapter->ahw.pci_base0 + QLCNIC_DRV_OP_MODE; | |
551 | op_mode = readl(priv_op); | |
0e33c664 | 552 | if (op_mode == QLC_DEV_DRV_DEFAULT) |
2e9d722d | 553 | priv_level = QLCNIC_MGMT_FUNC; |
0e33c664 | 554 | else |
2e9d722d AC |
555 | priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw.pci_func); |
556 | ||
0866d96d | 557 | if (priv_level == QLCNIC_NON_PRIV_FUNC) { |
9f26f547 AC |
558 | adapter->op_mode = QLCNIC_NON_PRIV_FUNC; |
559 | dev_info(&adapter->pdev->dev, | |
560 | "HAL Version: %d Non Privileged function\n", | |
561 | adapter->fw_hal_version); | |
562 | adapter->nic_ops = &qlcnic_vf_ops; | |
0866d96d AC |
563 | } else |
564 | adapter->nic_ops = &qlcnic_ops; | |
2e9d722d AC |
565 | } |
566 | ||
af19b491 AKS |
567 | static int |
568 | qlcnic_setup_pci_map(struct qlcnic_adapter *adapter) | |
569 | { | |
570 | void __iomem *mem_ptr0 = NULL; | |
571 | resource_size_t mem_base; | |
572 | unsigned long mem_len, pci_len0 = 0; | |
573 | ||
574 | struct pci_dev *pdev = adapter->pdev; | |
af19b491 | 575 | |
af19b491 AKS |
576 | /* remap phys address */ |
577 | mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */ | |
578 | mem_len = pci_resource_len(pdev, 0); | |
579 | ||
580 | if (mem_len == QLCNIC_PCI_2MB_SIZE) { | |
581 | ||
582 | mem_ptr0 = pci_ioremap_bar(pdev, 0); | |
583 | if (mem_ptr0 == NULL) { | |
584 | dev_err(&pdev->dev, "failed to map PCI bar 0\n"); | |
585 | return -EIO; | |
586 | } | |
587 | pci_len0 = mem_len; | |
588 | } else { | |
589 | return -EIO; | |
590 | } | |
591 | ||
592 | dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20)); | |
593 | ||
594 | adapter->ahw.pci_base0 = mem_ptr0; | |
595 | adapter->ahw.pci_len0 = pci_len0; | |
596 | ||
0866d96d | 597 | qlcnic_check_vf(adapter); |
2e9d722d | 598 | |
af19b491 | 599 | adapter->ahw.ocm_win_crb = qlcnic_get_ioaddr(adapter, |
2e9d722d | 600 | QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(adapter->ahw.pci_func))); |
af19b491 AKS |
601 | |
602 | return 0; | |
603 | } | |
604 | ||
605 | static void get_brd_name(struct qlcnic_adapter *adapter, char *name) | |
606 | { | |
607 | struct pci_dev *pdev = adapter->pdev; | |
608 | int i, found = 0; | |
609 | ||
610 | for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) { | |
611 | if (qlcnic_boards[i].vendor == pdev->vendor && | |
612 | qlcnic_boards[i].device == pdev->device && | |
613 | qlcnic_boards[i].sub_vendor == pdev->subsystem_vendor && | |
614 | qlcnic_boards[i].sub_device == pdev->subsystem_device) { | |
02f6e46f SC |
615 | sprintf(name, "%pM: %s" , |
616 | adapter->mac_addr, | |
617 | qlcnic_boards[i].short_name); | |
af19b491 AKS |
618 | found = 1; |
619 | break; | |
620 | } | |
621 | ||
622 | } | |
623 | ||
624 | if (!found) | |
7f9a0c34 | 625 | sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr); |
af19b491 AKS |
626 | } |
627 | ||
628 | static void | |
629 | qlcnic_check_options(struct qlcnic_adapter *adapter) | |
630 | { | |
631 | u32 fw_major, fw_minor, fw_build; | |
af19b491 | 632 | struct pci_dev *pdev = adapter->pdev; |
af19b491 AKS |
633 | |
634 | fw_major = QLCRD32(adapter, QLCNIC_FW_VERSION_MAJOR); | |
635 | fw_minor = QLCRD32(adapter, QLCNIC_FW_VERSION_MINOR); | |
636 | fw_build = QLCRD32(adapter, QLCNIC_FW_VERSION_SUB); | |
637 | ||
638 | adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build); | |
639 | ||
251a84c9 AKS |
640 | dev_info(&pdev->dev, "firmware v%d.%d.%d\n", |
641 | fw_major, fw_minor, fw_build); | |
af19b491 | 642 | if (adapter->ahw.port_type == QLCNIC_XGBE) { |
90d19005 SC |
643 | if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { |
644 | adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF; | |
645 | adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF; | |
646 | } else { | |
647 | adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G; | |
648 | adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G; | |
649 | } | |
650 | ||
af19b491 | 651 | adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; |
90d19005 SC |
652 | adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; |
653 | ||
af19b491 AKS |
654 | } else if (adapter->ahw.port_type == QLCNIC_GBE) { |
655 | adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; | |
656 | adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; | |
90d19005 SC |
657 | adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; |
658 | adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G; | |
af19b491 AKS |
659 | } |
660 | ||
661 | adapter->msix_supported = !!use_msi_x; | |
662 | adapter->rss_supported = !!use_msi_x; | |
663 | ||
664 | adapter->num_txd = MAX_CMD_DESCRIPTORS; | |
665 | ||
251b036a | 666 | adapter->max_rds_rings = MAX_RDS_RINGS; |
af19b491 AKS |
667 | } |
668 | ||
174240a8 RB |
669 | static int |
670 | qlcnic_initialize_nic(struct qlcnic_adapter *adapter) | |
671 | { | |
672 | int err; | |
673 | struct qlcnic_info nic_info; | |
674 | ||
675 | err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw.pci_func); | |
676 | if (err) | |
677 | return err; | |
678 | ||
a1c0c459 | 679 | adapter->physical_port = (u8)nic_info.phys_port; |
174240a8 RB |
680 | adapter->switch_mode = nic_info.switch_mode; |
681 | adapter->max_tx_ques = nic_info.max_tx_ques; | |
682 | adapter->max_rx_ques = nic_info.max_rx_ques; | |
683 | adapter->capabilities = nic_info.capabilities; | |
684 | adapter->max_mac_filters = nic_info.max_mac_filters; | |
685 | adapter->max_mtu = nic_info.max_mtu; | |
686 | ||
687 | if (adapter->capabilities & BIT_6) | |
688 | adapter->flags |= QLCNIC_ESWITCH_ENABLED; | |
689 | else | |
690 | adapter->flags &= ~QLCNIC_ESWITCH_ENABLED; | |
691 | ||
692 | return err; | |
693 | } | |
694 | ||
8cf61f89 AKS |
695 | static void |
696 | qlcnic_set_vlan_config(struct qlcnic_adapter *adapter, | |
697 | struct qlcnic_esw_func_cfg *esw_cfg) | |
698 | { | |
699 | if (esw_cfg->discard_tagged) | |
700 | adapter->flags &= ~QLCNIC_TAGGING_ENABLED; | |
701 | else | |
702 | adapter->flags |= QLCNIC_TAGGING_ENABLED; | |
703 | ||
704 | if (esw_cfg->vlan_id) | |
705 | adapter->pvid = esw_cfg->vlan_id; | |
706 | else | |
707 | adapter->pvid = 0; | |
708 | } | |
709 | ||
0325d69b RB |
710 | static void |
711 | qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter, | |
712 | struct qlcnic_esw_func_cfg *esw_cfg) | |
713 | { | |
ee07c1a7 RB |
714 | adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED | |
715 | QLCNIC_PROMISC_DISABLED); | |
7613c87b RB |
716 | |
717 | if (esw_cfg->mac_anti_spoof) | |
718 | adapter->flags |= QLCNIC_MACSPOOF; | |
fe4d434d | 719 | |
7373373d RB |
720 | if (!esw_cfg->mac_override) |
721 | adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED; | |
722 | ||
ee07c1a7 RB |
723 | if (!esw_cfg->promisc_mode) |
724 | adapter->flags |= QLCNIC_PROMISC_DISABLED; | |
725 | ||
0325d69b RB |
726 | qlcnic_set_netdev_features(adapter, esw_cfg); |
727 | } | |
728 | ||
729 | static int | |
730 | qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter) | |
731 | { | |
732 | struct qlcnic_esw_func_cfg esw_cfg; | |
733 | ||
734 | if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) | |
735 | return 0; | |
736 | ||
737 | esw_cfg.pci_func = adapter->ahw.pci_func; | |
738 | if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg)) | |
739 | return -EIO; | |
8cf61f89 | 740 | qlcnic_set_vlan_config(adapter, &esw_cfg); |
0325d69b RB |
741 | qlcnic_set_eswitch_port_features(adapter, &esw_cfg); |
742 | ||
743 | return 0; | |
744 | } | |
745 | ||
746 | static void | |
747 | qlcnic_set_netdev_features(struct qlcnic_adapter *adapter, | |
748 | struct qlcnic_esw_func_cfg *esw_cfg) | |
749 | { | |
750 | struct net_device *netdev = adapter->netdev; | |
751 | unsigned long features, vlan_features; | |
752 | ||
753 | features = (NETIF_F_SG | NETIF_F_IP_CSUM | | |
754 | NETIF_F_IPV6_CSUM | NETIF_F_GRO); | |
755 | vlan_features = (NETIF_F_SG | NETIF_F_IP_CSUM | | |
756 | NETIF_F_IPV6_CSUM); | |
757 | ||
758 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_TSO) { | |
759 | features |= (NETIF_F_TSO | NETIF_F_TSO6); | |
760 | vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6); | |
761 | } | |
762 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) | |
763 | features |= NETIF_F_LRO; | |
764 | ||
765 | if (esw_cfg->offload_flags & BIT_0) { | |
766 | netdev->features |= features; | |
767 | adapter->rx_csum = 1; | |
768 | if (!(esw_cfg->offload_flags & BIT_1)) | |
769 | netdev->features &= ~NETIF_F_TSO; | |
770 | if (!(esw_cfg->offload_flags & BIT_2)) | |
771 | netdev->features &= ~NETIF_F_TSO6; | |
772 | } else { | |
773 | netdev->features &= ~features; | |
774 | adapter->rx_csum = 0; | |
775 | } | |
776 | ||
777 | netdev->vlan_features = (features & vlan_features); | |
778 | } | |
779 | ||
0866d96d AC |
780 | static int |
781 | qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter) | |
782 | { | |
783 | void __iomem *priv_op; | |
784 | u32 op_mode, priv_level; | |
785 | int err = 0; | |
786 | ||
174240a8 RB |
787 | err = qlcnic_initialize_nic(adapter); |
788 | if (err) | |
789 | return err; | |
790 | ||
0866d96d AC |
791 | if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED) |
792 | return 0; | |
793 | ||
794 | priv_op = adapter->ahw.pci_base0 + QLCNIC_DRV_OP_MODE; | |
795 | op_mode = readl(priv_op); | |
796 | priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw.pci_func); | |
797 | ||
798 | if (op_mode == QLC_DEV_DRV_DEFAULT) | |
799 | priv_level = QLCNIC_MGMT_FUNC; | |
800 | else | |
801 | priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw.pci_func); | |
802 | ||
174240a8 | 803 | if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { |
0866d96d AC |
804 | if (priv_level == QLCNIC_MGMT_FUNC) { |
805 | adapter->op_mode = QLCNIC_MGMT_FUNC; | |
806 | err = qlcnic_init_pci_info(adapter); | |
807 | if (err) | |
808 | return err; | |
809 | /* Set privilege level for other functions */ | |
810 | qlcnic_set_function_modes(adapter); | |
811 | dev_info(&adapter->pdev->dev, | |
812 | "HAL Version: %d, Management function\n", | |
813 | adapter->fw_hal_version); | |
814 | } else if (priv_level == QLCNIC_PRIV_FUNC) { | |
815 | adapter->op_mode = QLCNIC_PRIV_FUNC; | |
816 | dev_info(&adapter->pdev->dev, | |
817 | "HAL Version: %d, Privileged function\n", | |
818 | adapter->fw_hal_version); | |
819 | } | |
174240a8 | 820 | } |
0866d96d AC |
821 | |
822 | adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; | |
823 | ||
824 | return err; | |
825 | } | |
826 | ||
0325d69b RB |
827 | static int |
828 | qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter) | |
829 | { | |
830 | struct qlcnic_esw_func_cfg esw_cfg; | |
831 | struct qlcnic_npar_info *npar; | |
832 | u8 i; | |
833 | ||
174240a8 | 834 | if (adapter->need_fw_reset) |
0325d69b RB |
835 | return 0; |
836 | ||
837 | for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) { | |
838 | if (adapter->npars[i].type != QLCNIC_TYPE_NIC) | |
839 | continue; | |
840 | memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg)); | |
841 | esw_cfg.pci_func = i; | |
842 | esw_cfg.offload_flags = BIT_0; | |
7373373d | 843 | esw_cfg.mac_override = BIT_0; |
ee07c1a7 | 844 | esw_cfg.promisc_mode = BIT_0; |
0325d69b RB |
845 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_TSO) |
846 | esw_cfg.offload_flags |= (BIT_1 | BIT_2); | |
847 | if (qlcnic_config_switch_port(adapter, &esw_cfg)) | |
848 | return -EIO; | |
849 | npar = &adapter->npars[i]; | |
850 | npar->pvid = esw_cfg.vlan_id; | |
7373373d | 851 | npar->mac_override = esw_cfg.mac_override; |
0325d69b RB |
852 | npar->mac_anti_spoof = esw_cfg.mac_anti_spoof; |
853 | npar->discard_tagged = esw_cfg.discard_tagged; | |
854 | npar->promisc_mode = esw_cfg.promisc_mode; | |
855 | npar->offload_flags = esw_cfg.offload_flags; | |
856 | } | |
857 | ||
858 | return 0; | |
859 | } | |
860 | ||
4e8acb01 RB |
861 | static int |
862 | qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter, | |
863 | struct qlcnic_npar_info *npar, int pci_func) | |
864 | { | |
865 | struct qlcnic_esw_func_cfg esw_cfg; | |
866 | esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS; | |
867 | esw_cfg.pci_func = pci_func; | |
868 | esw_cfg.vlan_id = npar->pvid; | |
7373373d | 869 | esw_cfg.mac_override = npar->mac_override; |
4e8acb01 RB |
870 | esw_cfg.discard_tagged = npar->discard_tagged; |
871 | esw_cfg.mac_anti_spoof = npar->mac_anti_spoof; | |
872 | esw_cfg.offload_flags = npar->offload_flags; | |
873 | esw_cfg.promisc_mode = npar->promisc_mode; | |
874 | if (qlcnic_config_switch_port(adapter, &esw_cfg)) | |
875 | return -EIO; | |
876 | ||
877 | esw_cfg.op_mode = QLCNIC_ADD_VLAN; | |
878 | if (qlcnic_config_switch_port(adapter, &esw_cfg)) | |
879 | return -EIO; | |
880 | ||
881 | return 0; | |
882 | } | |
883 | ||
cea8975e AC |
884 | static int |
885 | qlcnic_reset_npar_config(struct qlcnic_adapter *adapter) | |
886 | { | |
4e8acb01 | 887 | int i, err; |
cea8975e AC |
888 | struct qlcnic_npar_info *npar; |
889 | struct qlcnic_info nic_info; | |
890 | ||
174240a8 | 891 | if (!adapter->need_fw_reset) |
cea8975e AC |
892 | return 0; |
893 | ||
4e8acb01 RB |
894 | /* Set the NPAR config data after FW reset */ |
895 | for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) { | |
896 | npar = &adapter->npars[i]; | |
897 | if (npar->type != QLCNIC_TYPE_NIC) | |
898 | continue; | |
899 | err = qlcnic_get_nic_info(adapter, &nic_info, i); | |
900 | if (err) | |
901 | return err; | |
902 | nic_info.min_tx_bw = npar->min_bw; | |
903 | nic_info.max_tx_bw = npar->max_bw; | |
904 | err = qlcnic_set_nic_info(adapter, &nic_info); | |
905 | if (err) | |
906 | return err; | |
cea8975e | 907 | |
4e8acb01 RB |
908 | if (npar->enable_pm) { |
909 | err = qlcnic_config_port_mirroring(adapter, | |
910 | npar->dest_npar, 1, i); | |
911 | if (err) | |
912 | return err; | |
cea8975e | 913 | } |
4e8acb01 RB |
914 | err = qlcnic_reset_eswitch_config(adapter, npar, i); |
915 | if (err) | |
916 | return err; | |
cea8975e | 917 | } |
4e8acb01 | 918 | return 0; |
cea8975e AC |
919 | } |
920 | ||
78f84e1a AKS |
921 | static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter) |
922 | { | |
923 | u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO; | |
924 | u32 npar_state; | |
925 | ||
926 | if (adapter->op_mode == QLCNIC_MGMT_FUNC) | |
927 | return 0; | |
928 | ||
929 | npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); | |
930 | while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) { | |
931 | msleep(1000); | |
932 | npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); | |
933 | } | |
934 | if (!npar_opt_timeo) { | |
935 | dev_err(&adapter->pdev->dev, | |
936 | "Waiting for NPAR state to opertional timeout\n"); | |
937 | return -EIO; | |
938 | } | |
939 | return 0; | |
940 | } | |
941 | ||
174240a8 RB |
942 | static int |
943 | qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter) | |
944 | { | |
945 | int err; | |
946 | ||
947 | if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) || | |
948 | adapter->op_mode != QLCNIC_MGMT_FUNC) | |
949 | return 0; | |
950 | ||
951 | err = qlcnic_set_default_offload_settings(adapter); | |
952 | if (err) | |
953 | return err; | |
954 | ||
955 | err = qlcnic_reset_npar_config(adapter); | |
956 | if (err) | |
957 | return err; | |
958 | ||
959 | qlcnic_dev_set_npar_ready(adapter); | |
960 | ||
961 | return err; | |
962 | } | |
963 | ||
af19b491 AKS |
964 | static int |
965 | qlcnic_start_firmware(struct qlcnic_adapter *adapter) | |
966 | { | |
d4066833 | 967 | int err; |
af19b491 | 968 | |
aa5e18c0 SC |
969 | err = qlcnic_can_start_firmware(adapter); |
970 | if (err < 0) | |
971 | return err; | |
972 | else if (!err) | |
d4066833 | 973 | goto check_fw_status; |
af19b491 | 974 | |
4d5bdb38 AKS |
975 | if (load_fw_file) |
976 | qlcnic_request_firmware(adapter); | |
8f891387 | 977 | else { |
8cfdce08 SC |
978 | err = qlcnic_check_flash_fw_ver(adapter); |
979 | if (err) | |
8f891387 | 980 | goto err_out; |
981 | ||
4d5bdb38 | 982 | adapter->fw_type = QLCNIC_FLASH_ROMIMAGE; |
8f891387 | 983 | } |
af19b491 AKS |
984 | |
985 | err = qlcnic_need_fw_reset(adapter); | |
af19b491 | 986 | if (err == 0) |
4e70812b | 987 | goto check_fw_status; |
af19b491 | 988 | |
d4066833 SC |
989 | err = qlcnic_pinit_from_rom(adapter); |
990 | if (err) | |
991 | goto err_out; | |
af19b491 AKS |
992 | |
993 | err = qlcnic_load_firmware(adapter); | |
994 | if (err) | |
995 | goto err_out; | |
996 | ||
997 | qlcnic_release_firmware(adapter); | |
d4066833 | 998 | QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION); |
af19b491 | 999 | |
d4066833 SC |
1000 | check_fw_status: |
1001 | err = qlcnic_check_fw_status(adapter); | |
af19b491 AKS |
1002 | if (err) |
1003 | goto err_out; | |
1004 | ||
1005 | QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY); | |
6df900e9 | 1006 | qlcnic_idc_debug_info(adapter, 1); |
b18971d1 | 1007 | |
0866d96d AC |
1008 | err = qlcnic_check_eswitch_mode(adapter); |
1009 | if (err) { | |
1010 | dev_err(&adapter->pdev->dev, | |
1011 | "Memory allocation failed for eswitch\n"); | |
1012 | goto err_out; | |
1013 | } | |
174240a8 RB |
1014 | err = qlcnic_set_mgmt_operations(adapter); |
1015 | if (err) | |
1016 | goto err_out; | |
1017 | ||
1018 | qlcnic_check_options(adapter); | |
af19b491 AKS |
1019 | adapter->need_fw_reset = 0; |
1020 | ||
a7fc948f AKS |
1021 | qlcnic_release_firmware(adapter); |
1022 | return 0; | |
af19b491 AKS |
1023 | |
1024 | err_out: | |
a7fc948f AKS |
1025 | QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED); |
1026 | dev_err(&adapter->pdev->dev, "Device state set to failed\n"); | |
0866d96d | 1027 | |
af19b491 AKS |
1028 | qlcnic_release_firmware(adapter); |
1029 | return err; | |
1030 | } | |
1031 | ||
1032 | static int | |
1033 | qlcnic_request_irq(struct qlcnic_adapter *adapter) | |
1034 | { | |
1035 | irq_handler_t handler; | |
1036 | struct qlcnic_host_sds_ring *sds_ring; | |
1037 | int err, ring; | |
1038 | ||
1039 | unsigned long flags = 0; | |
1040 | struct net_device *netdev = adapter->netdev; | |
1041 | struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx; | |
1042 | ||
7eb9855d AKS |
1043 | if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) { |
1044 | handler = qlcnic_tmp_intr; | |
1045 | if (!QLCNIC_IS_MSI_FAMILY(adapter)) | |
1046 | flags |= IRQF_SHARED; | |
1047 | ||
1048 | } else { | |
1049 | if (adapter->flags & QLCNIC_MSIX_ENABLED) | |
1050 | handler = qlcnic_msix_intr; | |
1051 | else if (adapter->flags & QLCNIC_MSI_ENABLED) | |
1052 | handler = qlcnic_msi_intr; | |
1053 | else { | |
1054 | flags |= IRQF_SHARED; | |
1055 | handler = qlcnic_intr; | |
1056 | } | |
af19b491 AKS |
1057 | } |
1058 | adapter->irq = netdev->irq; | |
1059 | ||
1060 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
1061 | sds_ring = &recv_ctx->sds_rings[ring]; | |
1062 | sprintf(sds_ring->name, "%s[%d]", netdev->name, ring); | |
1063 | err = request_irq(sds_ring->irq, handler, | |
1064 | flags, sds_ring->name, sds_ring); | |
1065 | if (err) | |
1066 | return err; | |
1067 | } | |
1068 | ||
1069 | return 0; | |
1070 | } | |
1071 | ||
1072 | static void | |
1073 | qlcnic_free_irq(struct qlcnic_adapter *adapter) | |
1074 | { | |
1075 | int ring; | |
1076 | struct qlcnic_host_sds_ring *sds_ring; | |
1077 | ||
1078 | struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx; | |
1079 | ||
1080 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
1081 | sds_ring = &recv_ctx->sds_rings[ring]; | |
1082 | free_irq(sds_ring->irq, sds_ring); | |
1083 | } | |
1084 | } | |
1085 | ||
1086 | static void | |
1087 | qlcnic_init_coalesce_defaults(struct qlcnic_adapter *adapter) | |
1088 | { | |
1089 | adapter->coal.flags = QLCNIC_INTR_DEFAULT; | |
1090 | adapter->coal.normal.data.rx_time_us = | |
1091 | QLCNIC_DEFAULT_INTR_COALESCE_RX_TIME_US; | |
1092 | adapter->coal.normal.data.rx_packets = | |
1093 | QLCNIC_DEFAULT_INTR_COALESCE_RX_PACKETS; | |
1094 | adapter->coal.normal.data.tx_time_us = | |
1095 | QLCNIC_DEFAULT_INTR_COALESCE_TX_TIME_US; | |
1096 | adapter->coal.normal.data.tx_packets = | |
1097 | QLCNIC_DEFAULT_INTR_COALESCE_TX_PACKETS; | |
1098 | } | |
1099 | ||
1100 | static int | |
1101 | __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) | |
1102 | { | |
8a15ad1f AKS |
1103 | int ring; |
1104 | struct qlcnic_host_rds_ring *rds_ring; | |
1105 | ||
af19b491 AKS |
1106 | if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) |
1107 | return -EIO; | |
1108 | ||
8a15ad1f AKS |
1109 | if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) |
1110 | return 0; | |
0325d69b RB |
1111 | if (qlcnic_set_eswitch_port_config(adapter)) |
1112 | return -EIO; | |
8a15ad1f AKS |
1113 | |
1114 | if (qlcnic_fw_create_ctx(adapter)) | |
1115 | return -EIO; | |
1116 | ||
1117 | for (ring = 0; ring < adapter->max_rds_rings; ring++) { | |
1118 | rds_ring = &adapter->recv_ctx.rds_rings[ring]; | |
1119 | qlcnic_post_rx_buffers(adapter, ring, rds_ring); | |
1120 | } | |
1121 | ||
af19b491 AKS |
1122 | qlcnic_set_multi(netdev); |
1123 | qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu); | |
1124 | ||
1125 | adapter->ahw.linkup = 0; | |
1126 | ||
1127 | if (adapter->max_sds_rings > 1) | |
1128 | qlcnic_config_rss(adapter, 1); | |
1129 | ||
1130 | qlcnic_config_intr_coalesce(adapter); | |
1131 | ||
24763d80 | 1132 | if (netdev->features & NETIF_F_LRO) |
af19b491 AKS |
1133 | qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED); |
1134 | ||
1135 | qlcnic_napi_enable(adapter); | |
1136 | ||
1137 | qlcnic_linkevent_request(adapter, 1); | |
1138 | ||
68bf1c68 | 1139 | adapter->reset_context = 0; |
af19b491 AKS |
1140 | set_bit(__QLCNIC_DEV_UP, &adapter->state); |
1141 | return 0; | |
1142 | } | |
1143 | ||
1144 | /* Usage: During resume and firmware recovery module.*/ | |
1145 | ||
1146 | static int | |
1147 | qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) | |
1148 | { | |
1149 | int err = 0; | |
1150 | ||
1151 | rtnl_lock(); | |
1152 | if (netif_running(netdev)) | |
1153 | err = __qlcnic_up(adapter, netdev); | |
1154 | rtnl_unlock(); | |
1155 | ||
1156 | return err; | |
1157 | } | |
1158 | ||
1159 | static void | |
1160 | __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) | |
1161 | { | |
1162 | if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) | |
1163 | return; | |
1164 | ||
1165 | if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state)) | |
1166 | return; | |
1167 | ||
1168 | smp_mb(); | |
1169 | spin_lock(&adapter->tx_clean_lock); | |
1170 | netif_carrier_off(netdev); | |
1171 | netif_tx_disable(netdev); | |
1172 | ||
1173 | qlcnic_free_mac_list(adapter); | |
1174 | ||
b5e5492c AKS |
1175 | if (adapter->fhash.fnum) |
1176 | qlcnic_delete_lb_filters(adapter); | |
1177 | ||
af19b491 AKS |
1178 | qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE); |
1179 | ||
1180 | qlcnic_napi_disable(adapter); | |
1181 | ||
8a15ad1f AKS |
1182 | qlcnic_fw_destroy_ctx(adapter); |
1183 | ||
1184 | qlcnic_reset_rx_buffers_list(adapter); | |
af19b491 AKS |
1185 | qlcnic_release_tx_buffers(adapter); |
1186 | spin_unlock(&adapter->tx_clean_lock); | |
1187 | } | |
1188 | ||
1189 | /* Usage: During suspend and firmware recovery module */ | |
1190 | ||
1191 | static void | |
1192 | qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) | |
1193 | { | |
1194 | rtnl_lock(); | |
1195 | if (netif_running(netdev)) | |
1196 | __qlcnic_down(adapter, netdev); | |
1197 | rtnl_unlock(); | |
1198 | ||
1199 | } | |
1200 | ||
1201 | static int | |
1202 | qlcnic_attach(struct qlcnic_adapter *adapter) | |
1203 | { | |
1204 | struct net_device *netdev = adapter->netdev; | |
1205 | struct pci_dev *pdev = adapter->pdev; | |
8a15ad1f | 1206 | int err; |
af19b491 AKS |
1207 | |
1208 | if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) | |
1209 | return 0; | |
1210 | ||
af19b491 AKS |
1211 | err = qlcnic_napi_add(adapter, netdev); |
1212 | if (err) | |
1213 | return err; | |
1214 | ||
1215 | err = qlcnic_alloc_sw_resources(adapter); | |
1216 | if (err) { | |
1217 | dev_err(&pdev->dev, "Error in setting sw resources\n"); | |
8a15ad1f | 1218 | goto err_out_napi_del; |
af19b491 AKS |
1219 | } |
1220 | ||
1221 | err = qlcnic_alloc_hw_resources(adapter); | |
1222 | if (err) { | |
1223 | dev_err(&pdev->dev, "Error in setting hw resources\n"); | |
1224 | goto err_out_free_sw; | |
1225 | } | |
1226 | ||
af19b491 AKS |
1227 | err = qlcnic_request_irq(adapter); |
1228 | if (err) { | |
1229 | dev_err(&pdev->dev, "failed to setup interrupt\n"); | |
8a15ad1f | 1230 | goto err_out_free_hw; |
af19b491 AKS |
1231 | } |
1232 | ||
1233 | qlcnic_init_coalesce_defaults(adapter); | |
1234 | ||
1235 | qlcnic_create_sysfs_entries(adapter); | |
1236 | ||
1237 | adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC; | |
1238 | return 0; | |
1239 | ||
8a15ad1f | 1240 | err_out_free_hw: |
af19b491 AKS |
1241 | qlcnic_free_hw_resources(adapter); |
1242 | err_out_free_sw: | |
1243 | qlcnic_free_sw_resources(adapter); | |
8a15ad1f AKS |
1244 | err_out_napi_del: |
1245 | qlcnic_napi_del(adapter); | |
af19b491 AKS |
1246 | return err; |
1247 | } | |
1248 | ||
1249 | static void | |
1250 | qlcnic_detach(struct qlcnic_adapter *adapter) | |
1251 | { | |
1252 | if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) | |
1253 | return; | |
1254 | ||
1255 | qlcnic_remove_sysfs_entries(adapter); | |
1256 | ||
1257 | qlcnic_free_hw_resources(adapter); | |
1258 | qlcnic_release_rx_buffers(adapter); | |
1259 | qlcnic_free_irq(adapter); | |
1260 | qlcnic_napi_del(adapter); | |
1261 | qlcnic_free_sw_resources(adapter); | |
1262 | ||
1263 | adapter->is_up = 0; | |
1264 | } | |
1265 | ||
7eb9855d AKS |
1266 | void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings) |
1267 | { | |
1268 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
1269 | struct qlcnic_host_sds_ring *sds_ring; | |
1270 | int ring; | |
1271 | ||
78ad3892 | 1272 | clear_bit(__QLCNIC_DEV_UP, &adapter->state); |
cdaff185 AKS |
1273 | if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) { |
1274 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
1275 | sds_ring = &adapter->recv_ctx.sds_rings[ring]; | |
1276 | qlcnic_disable_int(sds_ring); | |
1277 | } | |
7eb9855d AKS |
1278 | } |
1279 | ||
8a15ad1f AKS |
1280 | qlcnic_fw_destroy_ctx(adapter); |
1281 | ||
7eb9855d AKS |
1282 | qlcnic_detach(adapter); |
1283 | ||
1284 | adapter->diag_test = 0; | |
1285 | adapter->max_sds_rings = max_sds_rings; | |
1286 | ||
1287 | if (qlcnic_attach(adapter)) | |
34ce3626 | 1288 | goto out; |
7eb9855d AKS |
1289 | |
1290 | if (netif_running(netdev)) | |
1291 | __qlcnic_up(adapter, netdev); | |
34ce3626 | 1292 | out: |
7eb9855d AKS |
1293 | netif_device_attach(netdev); |
1294 | } | |
1295 | ||
1296 | int qlcnic_diag_alloc_res(struct net_device *netdev, int test) | |
1297 | { | |
1298 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
1299 | struct qlcnic_host_sds_ring *sds_ring; | |
8a15ad1f | 1300 | struct qlcnic_host_rds_ring *rds_ring; |
7eb9855d AKS |
1301 | int ring; |
1302 | int ret; | |
1303 | ||
1304 | netif_device_detach(netdev); | |
1305 | ||
1306 | if (netif_running(netdev)) | |
1307 | __qlcnic_down(adapter, netdev); | |
1308 | ||
1309 | qlcnic_detach(adapter); | |
1310 | ||
1311 | adapter->max_sds_rings = 1; | |
1312 | adapter->diag_test = test; | |
1313 | ||
1314 | ret = qlcnic_attach(adapter); | |
34ce3626 AKS |
1315 | if (ret) { |
1316 | netif_device_attach(netdev); | |
7eb9855d | 1317 | return ret; |
34ce3626 | 1318 | } |
7eb9855d | 1319 | |
8a15ad1f AKS |
1320 | ret = qlcnic_fw_create_ctx(adapter); |
1321 | if (ret) { | |
1322 | qlcnic_detach(adapter); | |
57e46248 | 1323 | netif_device_attach(netdev); |
8a15ad1f AKS |
1324 | return ret; |
1325 | } | |
1326 | ||
1327 | for (ring = 0; ring < adapter->max_rds_rings; ring++) { | |
1328 | rds_ring = &adapter->recv_ctx.rds_rings[ring]; | |
1329 | qlcnic_post_rx_buffers(adapter, ring, rds_ring); | |
1330 | } | |
1331 | ||
cdaff185 AKS |
1332 | if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) { |
1333 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
1334 | sds_ring = &adapter->recv_ctx.sds_rings[ring]; | |
1335 | qlcnic_enable_int(sds_ring); | |
1336 | } | |
7eb9855d | 1337 | } |
78ad3892 | 1338 | set_bit(__QLCNIC_DEV_UP, &adapter->state); |
7eb9855d AKS |
1339 | |
1340 | return 0; | |
1341 | } | |
1342 | ||
68bf1c68 AKS |
1343 | /* Reset context in hardware only */ |
1344 | static int | |
1345 | qlcnic_reset_hw_context(struct qlcnic_adapter *adapter) | |
1346 | { | |
1347 | struct net_device *netdev = adapter->netdev; | |
1348 | ||
1349 | if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) | |
1350 | return -EBUSY; | |
1351 | ||
1352 | netif_device_detach(netdev); | |
1353 | ||
1354 | qlcnic_down(adapter, netdev); | |
1355 | ||
1356 | qlcnic_up(adapter, netdev); | |
1357 | ||
1358 | netif_device_attach(netdev); | |
1359 | ||
1360 | clear_bit(__QLCNIC_RESETTING, &adapter->state); | |
1361 | return 0; | |
1362 | } | |
1363 | ||
af19b491 AKS |
1364 | int |
1365 | qlcnic_reset_context(struct qlcnic_adapter *adapter) | |
1366 | { | |
1367 | int err = 0; | |
1368 | struct net_device *netdev = adapter->netdev; | |
1369 | ||
1370 | if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) | |
1371 | return -EBUSY; | |
1372 | ||
1373 | if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) { | |
1374 | ||
1375 | netif_device_detach(netdev); | |
1376 | ||
1377 | if (netif_running(netdev)) | |
1378 | __qlcnic_down(adapter, netdev); | |
1379 | ||
1380 | qlcnic_detach(adapter); | |
1381 | ||
1382 | if (netif_running(netdev)) { | |
1383 | err = qlcnic_attach(adapter); | |
1384 | if (!err) | |
34ce3626 | 1385 | __qlcnic_up(adapter, netdev); |
af19b491 AKS |
1386 | } |
1387 | ||
1388 | netif_device_attach(netdev); | |
1389 | } | |
1390 | ||
af19b491 AKS |
1391 | clear_bit(__QLCNIC_RESETTING, &adapter->state); |
1392 | return err; | |
1393 | } | |
1394 | ||
1395 | static int | |
1396 | qlcnic_setup_netdev(struct qlcnic_adapter *adapter, | |
1bb09fb9 | 1397 | struct net_device *netdev, u8 pci_using_dac) |
af19b491 AKS |
1398 | { |
1399 | int err; | |
1400 | struct pci_dev *pdev = adapter->pdev; | |
1401 | ||
1402 | adapter->rx_csum = 1; | |
1403 | adapter->mc_enabled = 0; | |
1404 | adapter->max_mc_count = 38; | |
1405 | ||
1406 | netdev->netdev_ops = &qlcnic_netdev_ops; | |
ef71ff83 | 1407 | netdev->watchdog_timeo = 5*HZ; |
af19b491 AKS |
1408 | |
1409 | qlcnic_change_mtu(netdev, netdev->mtu); | |
1410 | ||
1411 | SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops); | |
1412 | ||
2e9d722d | 1413 | netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | |
d5790663 | 1414 | NETIF_F_IPV6_CSUM | NETIF_F_GRO | NETIF_F_HW_VLAN_RX); |
2e9d722d | 1415 | netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | |
ac8d0c4f AC |
1416 | NETIF_F_IPV6_CSUM); |
1417 | ||
1418 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_TSO) { | |
1419 | netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6); | |
1420 | netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6); | |
1421 | } | |
af19b491 | 1422 | |
1bb09fb9 | 1423 | if (pci_using_dac) { |
af19b491 AKS |
1424 | netdev->features |= NETIF_F_HIGHDMA; |
1425 | netdev->vlan_features |= NETIF_F_HIGHDMA; | |
1426 | } | |
1427 | ||
1428 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX) | |
1429 | netdev->features |= (NETIF_F_HW_VLAN_TX); | |
1430 | ||
1431 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) | |
1432 | netdev->features |= NETIF_F_LRO; | |
af19b491 AKS |
1433 | netdev->irq = adapter->msix_entries[0].vector; |
1434 | ||
af19b491 | 1435 | netif_carrier_off(netdev); |
af19b491 AKS |
1436 | |
1437 | err = register_netdev(netdev); | |
1438 | if (err) { | |
1439 | dev_err(&pdev->dev, "failed to register net device\n"); | |
1440 | return err; | |
1441 | } | |
1442 | ||
1443 | return 0; | |
1444 | } | |
1445 | ||
1bb09fb9 AKS |
1446 | static int qlcnic_set_dma_mask(struct pci_dev *pdev, u8 *pci_using_dac) |
1447 | { | |
1448 | if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && | |
1449 | !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) | |
1450 | *pci_using_dac = 1; | |
1451 | else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) && | |
1452 | !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) | |
1453 | *pci_using_dac = 0; | |
1454 | else { | |
1455 | dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n"); | |
1456 | return -EIO; | |
1457 | } | |
1458 | ||
1459 | return 0; | |
1460 | } | |
1461 | ||
af19b491 AKS |
1462 | static int __devinit |
1463 | qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) | |
1464 | { | |
1465 | struct net_device *netdev = NULL; | |
1466 | struct qlcnic_adapter *adapter = NULL; | |
1467 | int err; | |
af19b491 | 1468 | uint8_t revision_id; |
1bb09fb9 | 1469 | uint8_t pci_using_dac; |
da48e6c3 | 1470 | char brd_name[QLCNIC_MAX_BOARD_NAME_LEN]; |
af19b491 AKS |
1471 | |
1472 | err = pci_enable_device(pdev); | |
1473 | if (err) | |
1474 | return err; | |
1475 | ||
1476 | if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { | |
1477 | err = -ENODEV; | |
1478 | goto err_out_disable_pdev; | |
1479 | } | |
1480 | ||
1bb09fb9 AKS |
1481 | err = qlcnic_set_dma_mask(pdev, &pci_using_dac); |
1482 | if (err) | |
1483 | goto err_out_disable_pdev; | |
1484 | ||
af19b491 AKS |
1485 | err = pci_request_regions(pdev, qlcnic_driver_name); |
1486 | if (err) | |
1487 | goto err_out_disable_pdev; | |
1488 | ||
1489 | pci_set_master(pdev); | |
451724c8 | 1490 | pci_enable_pcie_error_reporting(pdev); |
af19b491 AKS |
1491 | |
1492 | netdev = alloc_etherdev(sizeof(struct qlcnic_adapter)); | |
1493 | if (!netdev) { | |
1494 | dev_err(&pdev->dev, "failed to allocate net_device\n"); | |
1495 | err = -ENOMEM; | |
1496 | goto err_out_free_res; | |
1497 | } | |
1498 | ||
1499 | SET_NETDEV_DEV(netdev, &pdev->dev); | |
1500 | ||
1501 | adapter = netdev_priv(netdev); | |
1502 | adapter->netdev = netdev; | |
1503 | adapter->pdev = pdev; | |
6df900e9 | 1504 | adapter->dev_rst_time = jiffies; |
af19b491 AKS |
1505 | |
1506 | revision_id = pdev->revision; | |
1507 | adapter->ahw.revision_id = revision_id; | |
1508 | ||
1509 | rwlock_init(&adapter->ahw.crb_lock); | |
1510 | mutex_init(&adapter->ahw.mem_lock); | |
1511 | ||
1512 | spin_lock_init(&adapter->tx_clean_lock); | |
1513 | INIT_LIST_HEAD(&adapter->mac_list); | |
1514 | ||
1515 | err = qlcnic_setup_pci_map(adapter); | |
1516 | if (err) | |
1517 | goto err_out_free_netdev; | |
1518 | ||
1519 | /* This will be reset for mezz cards */ | |
2e9d722d | 1520 | adapter->portnum = adapter->ahw.pci_func; |
af19b491 AKS |
1521 | |
1522 | err = qlcnic_get_board_info(adapter); | |
1523 | if (err) { | |
1524 | dev_err(&pdev->dev, "Error getting board config info.\n"); | |
1525 | goto err_out_iounmap; | |
1526 | } | |
1527 | ||
8cfdce08 SC |
1528 | err = qlcnic_setup_idc_param(adapter); |
1529 | if (err) | |
b3a24649 | 1530 | goto err_out_iounmap; |
af19b491 | 1531 | |
1dc0f3c5 | 1532 | adapter->flags |= QLCNIC_NEED_FLR; |
b0044bcf | 1533 | |
9f26f547 | 1534 | err = adapter->nic_ops->start_firmware(adapter); |
a7fc948f AKS |
1535 | if (err) { |
1536 | dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"); | |
af19b491 | 1537 | goto err_out_decr_ref; |
a7fc948f | 1538 | } |
af19b491 | 1539 | |
da48e6c3 RB |
1540 | if (qlcnic_read_mac_addr(adapter)) |
1541 | dev_warn(&pdev->dev, "failed to read mac addr\n"); | |
1542 | ||
1543 | if (adapter->portnum == 0) { | |
1544 | get_brd_name(adapter, brd_name); | |
1545 | ||
1546 | pr_info("%s: %s Board Chip rev 0x%x\n", | |
1547 | module_name(THIS_MODULE), | |
1548 | brd_name, adapter->ahw.revision_id); | |
1549 | } | |
1550 | ||
af19b491 AKS |
1551 | qlcnic_clear_stats(adapter); |
1552 | ||
1553 | qlcnic_setup_intr(adapter); | |
1554 | ||
1bb09fb9 | 1555 | err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac); |
af19b491 AKS |
1556 | if (err) |
1557 | goto err_out_disable_msi; | |
1558 | ||
1559 | pci_set_drvdata(pdev, adapter); | |
1560 | ||
1561 | qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); | |
1562 | ||
1563 | switch (adapter->ahw.port_type) { | |
1564 | case QLCNIC_GBE: | |
1565 | dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", | |
1566 | adapter->netdev->name); | |
1567 | break; | |
1568 | case QLCNIC_XGBE: | |
1569 | dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", | |
1570 | adapter->netdev->name); | |
1571 | break; | |
1572 | } | |
1573 | ||
b5e5492c | 1574 | qlcnic_alloc_lb_filters_mem(adapter); |
af19b491 AKS |
1575 | qlcnic_create_diag_entries(adapter); |
1576 | ||
1577 | return 0; | |
1578 | ||
1579 | err_out_disable_msi: | |
1580 | qlcnic_teardown_intr(adapter); | |
1581 | ||
1582 | err_out_decr_ref: | |
21854f02 | 1583 | qlcnic_clr_all_drv_state(adapter, 0); |
af19b491 AKS |
1584 | |
1585 | err_out_iounmap: | |
1586 | qlcnic_cleanup_pci_map(adapter); | |
1587 | ||
1588 | err_out_free_netdev: | |
1589 | free_netdev(netdev); | |
1590 | ||
1591 | err_out_free_res: | |
1592 | pci_release_regions(pdev); | |
1593 | ||
1594 | err_out_disable_pdev: | |
1595 | pci_set_drvdata(pdev, NULL); | |
1596 | pci_disable_device(pdev); | |
1597 | return err; | |
1598 | } | |
1599 | ||
1600 | static void __devexit qlcnic_remove(struct pci_dev *pdev) | |
1601 | { | |
1602 | struct qlcnic_adapter *adapter; | |
1603 | struct net_device *netdev; | |
1604 | ||
1605 | adapter = pci_get_drvdata(pdev); | |
1606 | if (adapter == NULL) | |
1607 | return; | |
1608 | ||
1609 | netdev = adapter->netdev; | |
1610 | ||
1611 | qlcnic_cancel_fw_work(adapter); | |
1612 | ||
1613 | unregister_netdev(netdev); | |
1614 | ||
af19b491 AKS |
1615 | qlcnic_detach(adapter); |
1616 | ||
2e9d722d AC |
1617 | if (adapter->npars != NULL) |
1618 | kfree(adapter->npars); | |
1619 | if (adapter->eswitch != NULL) | |
1620 | kfree(adapter->eswitch); | |
1621 | ||
21854f02 | 1622 | qlcnic_clr_all_drv_state(adapter, 0); |
af19b491 AKS |
1623 | |
1624 | clear_bit(__QLCNIC_RESETTING, &adapter->state); | |
1625 | ||
b5e5492c AKS |
1626 | qlcnic_free_lb_filters_mem(adapter); |
1627 | ||
af19b491 AKS |
1628 | qlcnic_teardown_intr(adapter); |
1629 | ||
1630 | qlcnic_remove_diag_entries(adapter); | |
1631 | ||
1632 | qlcnic_cleanup_pci_map(adapter); | |
1633 | ||
1634 | qlcnic_release_firmware(adapter); | |
1635 | ||
451724c8 | 1636 | pci_disable_pcie_error_reporting(pdev); |
af19b491 AKS |
1637 | pci_release_regions(pdev); |
1638 | pci_disable_device(pdev); | |
1639 | pci_set_drvdata(pdev, NULL); | |
1640 | ||
1641 | free_netdev(netdev); | |
1642 | } | |
1643 | static int __qlcnic_shutdown(struct pci_dev *pdev) | |
1644 | { | |
1645 | struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); | |
1646 | struct net_device *netdev = adapter->netdev; | |
1647 | int retval; | |
1648 | ||
1649 | netif_device_detach(netdev); | |
1650 | ||
1651 | qlcnic_cancel_fw_work(adapter); | |
1652 | ||
1653 | if (netif_running(netdev)) | |
1654 | qlcnic_down(adapter, netdev); | |
1655 | ||
21854f02 | 1656 | qlcnic_clr_all_drv_state(adapter, 0); |
af19b491 AKS |
1657 | |
1658 | clear_bit(__QLCNIC_RESETTING, &adapter->state); | |
1659 | ||
1660 | retval = pci_save_state(pdev); | |
1661 | if (retval) | |
1662 | return retval; | |
1663 | ||
1664 | if (qlcnic_wol_supported(adapter)) { | |
1665 | pci_enable_wake(pdev, PCI_D3cold, 1); | |
1666 | pci_enable_wake(pdev, PCI_D3hot, 1); | |
1667 | } | |
1668 | ||
1669 | return 0; | |
1670 | } | |
1671 | ||
1672 | static void qlcnic_shutdown(struct pci_dev *pdev) | |
1673 | { | |
1674 | if (__qlcnic_shutdown(pdev)) | |
1675 | return; | |
1676 | ||
1677 | pci_disable_device(pdev); | |
1678 | } | |
1679 | ||
1680 | #ifdef CONFIG_PM | |
1681 | static int | |
1682 | qlcnic_suspend(struct pci_dev *pdev, pm_message_t state) | |
1683 | { | |
1684 | int retval; | |
1685 | ||
1686 | retval = __qlcnic_shutdown(pdev); | |
1687 | if (retval) | |
1688 | return retval; | |
1689 | ||
1690 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); | |
1691 | return 0; | |
1692 | } | |
1693 | ||
1694 | static int | |
1695 | qlcnic_resume(struct pci_dev *pdev) | |
1696 | { | |
1697 | struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); | |
1698 | struct net_device *netdev = adapter->netdev; | |
1699 | int err; | |
1700 | ||
1701 | err = pci_enable_device(pdev); | |
1702 | if (err) | |
1703 | return err; | |
1704 | ||
1705 | pci_set_power_state(pdev, PCI_D0); | |
1706 | pci_set_master(pdev); | |
1707 | pci_restore_state(pdev); | |
1708 | ||
9f26f547 | 1709 | err = adapter->nic_ops->start_firmware(adapter); |
af19b491 AKS |
1710 | if (err) { |
1711 | dev_err(&pdev->dev, "failed to start firmware\n"); | |
1712 | return err; | |
1713 | } | |
1714 | ||
1715 | if (netif_running(netdev)) { | |
af19b491 AKS |
1716 | err = qlcnic_up(adapter, netdev); |
1717 | if (err) | |
52486a3a | 1718 | goto done; |
af19b491 | 1719 | |
aec1e845 | 1720 | qlcnic_restore_indev_addr(netdev, NETDEV_UP); |
af19b491 | 1721 | } |
52486a3a | 1722 | done: |
af19b491 AKS |
1723 | netif_device_attach(netdev); |
1724 | qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); | |
1725 | return 0; | |
af19b491 AKS |
1726 | } |
1727 | #endif | |
1728 | ||
1729 | static int qlcnic_open(struct net_device *netdev) | |
1730 | { | |
1731 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
1732 | int err; | |
1733 | ||
af19b491 AKS |
1734 | err = qlcnic_attach(adapter); |
1735 | if (err) | |
1736 | return err; | |
1737 | ||
1738 | err = __qlcnic_up(adapter, netdev); | |
1739 | if (err) | |
1740 | goto err_out; | |
1741 | ||
1742 | netif_start_queue(netdev); | |
1743 | ||
1744 | return 0; | |
1745 | ||
1746 | err_out: | |
1747 | qlcnic_detach(adapter); | |
1748 | return err; | |
1749 | } | |
1750 | ||
1751 | /* | |
1752 | * qlcnic_close - Disables a network interface entry point | |
1753 | */ | |
1754 | static int qlcnic_close(struct net_device *netdev) | |
1755 | { | |
1756 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
1757 | ||
1758 | __qlcnic_down(adapter, netdev); | |
1759 | return 0; | |
1760 | } | |
1761 | ||
b5e5492c AKS |
1762 | static void |
1763 | qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter) | |
1764 | { | |
1765 | void *head; | |
1766 | int i; | |
1767 | ||
1768 | if (!qlcnic_mac_learn) | |
1769 | return; | |
1770 | ||
1771 | spin_lock_init(&adapter->mac_learn_lock); | |
1772 | ||
1773 | head = kcalloc(QLCNIC_LB_MAX_FILTERS, sizeof(struct hlist_head), | |
1774 | GFP_KERNEL); | |
1775 | if (!head) | |
1776 | return; | |
1777 | ||
1778 | adapter->fhash.fmax = QLCNIC_LB_MAX_FILTERS; | |
1779 | adapter->fhash.fhead = (struct hlist_head *)head; | |
1780 | ||
1781 | for (i = 0; i < adapter->fhash.fmax; i++) | |
1782 | INIT_HLIST_HEAD(&adapter->fhash.fhead[i]); | |
1783 | } | |
1784 | ||
1785 | static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter) | |
1786 | { | |
1787 | if (adapter->fhash.fmax && adapter->fhash.fhead) | |
1788 | kfree(adapter->fhash.fhead); | |
1789 | ||
1790 | adapter->fhash.fhead = NULL; | |
1791 | adapter->fhash.fmax = 0; | |
1792 | } | |
1793 | ||
1794 | static void qlcnic_change_filter(struct qlcnic_adapter *adapter, | |
7e56cac4 | 1795 | u64 uaddr, __le16 vlan_id, struct qlcnic_host_tx_ring *tx_ring) |
b5e5492c AKS |
1796 | { |
1797 | struct cmd_desc_type0 *hwdesc; | |
1798 | struct qlcnic_nic_req *req; | |
1799 | struct qlcnic_mac_req *mac_req; | |
7e56cac4 | 1800 | struct qlcnic_vlan_req *vlan_req; |
b5e5492c AKS |
1801 | u32 producer; |
1802 | u64 word; | |
1803 | ||
1804 | producer = tx_ring->producer; | |
1805 | hwdesc = &tx_ring->desc_head[tx_ring->producer]; | |
1806 | ||
1807 | req = (struct qlcnic_nic_req *)hwdesc; | |
1808 | memset(req, 0, sizeof(struct qlcnic_nic_req)); | |
1809 | req->qhdr = cpu_to_le64(QLCNIC_REQUEST << 23); | |
1810 | ||
1811 | word = QLCNIC_MAC_EVENT | ((u64)(adapter->portnum) << 16); | |
1812 | req->req_hdr = cpu_to_le64(word); | |
1813 | ||
1814 | mac_req = (struct qlcnic_mac_req *)&(req->words[0]); | |
03c5d770 | 1815 | mac_req->op = vlan_id ? QLCNIC_MAC_VLAN_ADD : QLCNIC_MAC_ADD; |
b5e5492c AKS |
1816 | memcpy(mac_req->mac_addr, &uaddr, ETH_ALEN); |
1817 | ||
7e56cac4 SC |
1818 | vlan_req = (struct qlcnic_vlan_req *)&req->words[1]; |
1819 | vlan_req->vlan_id = vlan_id; | |
03c5d770 | 1820 | |
b5e5492c AKS |
1821 | tx_ring->producer = get_next_index(producer, tx_ring->num_desc); |
1822 | } | |
1823 | ||
1824 | #define QLCNIC_MAC_HASH(MAC)\ | |
1825 | ((((MAC) & 0x70000) >> 0x10) | (((MAC) & 0x70000000000ULL) >> 0x25)) | |
1826 | ||
1827 | static void | |
1828 | qlcnic_send_filter(struct qlcnic_adapter *adapter, | |
1829 | struct qlcnic_host_tx_ring *tx_ring, | |
1830 | struct cmd_desc_type0 *first_desc, | |
1831 | struct sk_buff *skb) | |
1832 | { | |
1833 | struct ethhdr *phdr = (struct ethhdr *)(skb->data); | |
1834 | struct qlcnic_filter *fil, *tmp_fil; | |
1835 | struct hlist_node *tmp_hnode, *n; | |
1836 | struct hlist_head *head; | |
1837 | u64 src_addr = 0; | |
7e56cac4 | 1838 | __le16 vlan_id = 0; |
b5e5492c AKS |
1839 | u8 hindex; |
1840 | ||
1841 | if (!compare_ether_addr(phdr->h_source, adapter->mac_addr)) | |
1842 | return; | |
1843 | ||
1844 | if (adapter->fhash.fnum >= adapter->fhash.fmax) | |
1845 | return; | |
1846 | ||
03c5d770 AKS |
1847 | /* Only NPAR capable devices support vlan based learning*/ |
1848 | if (adapter->flags & QLCNIC_ESWITCH_ENABLED) | |
1849 | vlan_id = first_desc->vlan_TCI; | |
b5e5492c AKS |
1850 | memcpy(&src_addr, phdr->h_source, ETH_ALEN); |
1851 | hindex = QLCNIC_MAC_HASH(src_addr) & (QLCNIC_LB_MAX_FILTERS - 1); | |
1852 | head = &(adapter->fhash.fhead[hindex]); | |
1853 | ||
1854 | hlist_for_each_entry_safe(tmp_fil, tmp_hnode, n, head, fnode) { | |
03c5d770 AKS |
1855 | if (!memcmp(tmp_fil->faddr, &src_addr, ETH_ALEN) && |
1856 | tmp_fil->vlan_id == vlan_id) { | |
e5edb7b1 | 1857 | |
1858 | if (jiffies > | |
1859 | (QLCNIC_READD_AGE * HZ + tmp_fil->ftime)) | |
1860 | qlcnic_change_filter(adapter, src_addr, vlan_id, | |
1861 | tx_ring); | |
b5e5492c AKS |
1862 | tmp_fil->ftime = jiffies; |
1863 | return; | |
1864 | } | |
1865 | } | |
1866 | ||
1867 | fil = kzalloc(sizeof(struct qlcnic_filter), GFP_ATOMIC); | |
1868 | if (!fil) | |
1869 | return; | |
1870 | ||
03c5d770 | 1871 | qlcnic_change_filter(adapter, src_addr, vlan_id, tx_ring); |
b5e5492c AKS |
1872 | |
1873 | fil->ftime = jiffies; | |
03c5d770 | 1874 | fil->vlan_id = vlan_id; |
b5e5492c AKS |
1875 | memcpy(fil->faddr, &src_addr, ETH_ALEN); |
1876 | spin_lock(&adapter->mac_learn_lock); | |
1877 | hlist_add_head(&(fil->fnode), head); | |
1878 | adapter->fhash.fnum++; | |
1879 | spin_unlock(&adapter->mac_learn_lock); | |
1880 | } | |
1881 | ||
af19b491 AKS |
1882 | static void |
1883 | qlcnic_tso_check(struct net_device *netdev, | |
1884 | struct qlcnic_host_tx_ring *tx_ring, | |
1885 | struct cmd_desc_type0 *first_desc, | |
1886 | struct sk_buff *skb) | |
1887 | { | |
1888 | u8 opcode = TX_ETHER_PKT; | |
1889 | __be16 protocol = skb->protocol; | |
8cf61f89 AKS |
1890 | u16 flags = 0; |
1891 | int copied, offset, copy_len, hdr_len = 0, tso = 0; | |
af19b491 AKS |
1892 | struct cmd_desc_type0 *hwdesc; |
1893 | struct vlan_ethhdr *vh; | |
8bfe8b91 | 1894 | struct qlcnic_adapter *adapter = netdev_priv(netdev); |
2e9d722d | 1895 | u32 producer = tx_ring->producer; |
7e56cac4 SC |
1896 | __le16 vlan_oob = first_desc->flags_opcode & |
1897 | cpu_to_le16(FLAGS_VLAN_OOB); | |
af19b491 | 1898 | |
2e9d722d AC |
1899 | if (*(skb->data) & BIT_0) { |
1900 | flags |= BIT_0; | |
1901 | memcpy(&first_desc->eth_addr, skb->data, ETH_ALEN); | |
1902 | } | |
1903 | ||
af19b491 AKS |
1904 | if ((netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) && |
1905 | skb_shinfo(skb)->gso_size > 0) { | |
1906 | ||
1907 | hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); | |
1908 | ||
1909 | first_desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size); | |
1910 | first_desc->total_hdr_length = hdr_len; | |
1911 | if (vlan_oob) { | |
1912 | first_desc->total_hdr_length += VLAN_HLEN; | |
1913 | first_desc->tcp_hdr_offset = VLAN_HLEN; | |
1914 | first_desc->ip_hdr_offset = VLAN_HLEN; | |
1915 | /* Only in case of TSO on vlan device */ | |
1916 | flags |= FLAGS_VLAN_TAGGED; | |
1917 | } | |
1918 | ||
1919 | opcode = (protocol == cpu_to_be16(ETH_P_IPV6)) ? | |
1920 | TX_TCP_LSO6 : TX_TCP_LSO; | |
1921 | tso = 1; | |
1922 | ||
1923 | } else if (skb->ip_summed == CHECKSUM_PARTIAL) { | |
1924 | u8 l4proto; | |
1925 | ||
1926 | if (protocol == cpu_to_be16(ETH_P_IP)) { | |
1927 | l4proto = ip_hdr(skb)->protocol; | |
1928 | ||
1929 | if (l4proto == IPPROTO_TCP) | |
1930 | opcode = TX_TCP_PKT; | |
1931 | else if (l4proto == IPPROTO_UDP) | |
1932 | opcode = TX_UDP_PKT; | |
1933 | } else if (protocol == cpu_to_be16(ETH_P_IPV6)) { | |
1934 | l4proto = ipv6_hdr(skb)->nexthdr; | |
1935 | ||
1936 | if (l4proto == IPPROTO_TCP) | |
1937 | opcode = TX_TCPV6_PKT; | |
1938 | else if (l4proto == IPPROTO_UDP) | |
1939 | opcode = TX_UDPV6_PKT; | |
1940 | } | |
1941 | } | |
1942 | ||
1943 | first_desc->tcp_hdr_offset += skb_transport_offset(skb); | |
1944 | first_desc->ip_hdr_offset += skb_network_offset(skb); | |
1945 | qlcnic_set_tx_flags_opcode(first_desc, flags, opcode); | |
1946 | ||
1947 | if (!tso) | |
1948 | return; | |
1949 | ||
1950 | /* For LSO, we need to copy the MAC/IP/TCP headers into | |
1951 | * the descriptor ring | |
1952 | */ | |
af19b491 AKS |
1953 | copied = 0; |
1954 | offset = 2; | |
1955 | ||
1956 | if (vlan_oob) { | |
1957 | /* Create a TSO vlan header template for firmware */ | |
1958 | ||
1959 | hwdesc = &tx_ring->desc_head[producer]; | |
1960 | tx_ring->cmd_buf_arr[producer].skb = NULL; | |
1961 | ||
1962 | copy_len = min((int)sizeof(struct cmd_desc_type0) - offset, | |
1963 | hdr_len + VLAN_HLEN); | |
1964 | ||
1965 | vh = (struct vlan_ethhdr *)((char *)hwdesc + 2); | |
1966 | skb_copy_from_linear_data(skb, vh, 12); | |
1967 | vh->h_vlan_proto = htons(ETH_P_8021Q); | |
7e56cac4 SC |
1968 | vh->h_vlan_TCI = (__be16)swab16((u16)first_desc->vlan_TCI); |
1969 | ||
af19b491 AKS |
1970 | skb_copy_from_linear_data_offset(skb, 12, |
1971 | (char *)vh + 16, copy_len - 16); | |
1972 | ||
1973 | copied = copy_len - VLAN_HLEN; | |
1974 | offset = 0; | |
1975 | ||
1976 | producer = get_next_index(producer, tx_ring->num_desc); | |
1977 | } | |
1978 | ||
1979 | while (copied < hdr_len) { | |
1980 | ||
1981 | copy_len = min((int)sizeof(struct cmd_desc_type0) - offset, | |
1982 | (hdr_len - copied)); | |
1983 | ||
1984 | hwdesc = &tx_ring->desc_head[producer]; | |
1985 | tx_ring->cmd_buf_arr[producer].skb = NULL; | |
1986 | ||
1987 | skb_copy_from_linear_data_offset(skb, copied, | |
1988 | (char *)hwdesc + offset, copy_len); | |
1989 | ||
1990 | copied += copy_len; | |
1991 | offset = 0; | |
1992 | ||
1993 | producer = get_next_index(producer, tx_ring->num_desc); | |
1994 | } | |
1995 | ||
1996 | tx_ring->producer = producer; | |
1997 | barrier(); | |
8bfe8b91 | 1998 | adapter->stats.lso_frames++; |
af19b491 AKS |
1999 | } |
2000 | ||
2001 | static int | |
2002 | qlcnic_map_tx_skb(struct pci_dev *pdev, | |
2003 | struct sk_buff *skb, struct qlcnic_cmd_buffer *pbuf) | |
2004 | { | |
2005 | struct qlcnic_skb_frag *nf; | |
2006 | struct skb_frag_struct *frag; | |
2007 | int i, nr_frags; | |
2008 | dma_addr_t map; | |
2009 | ||
2010 | nr_frags = skb_shinfo(skb)->nr_frags; | |
2011 | nf = &pbuf->frag_array[0]; | |
2012 | ||
2013 | map = pci_map_single(pdev, skb->data, | |
2014 | skb_headlen(skb), PCI_DMA_TODEVICE); | |
2015 | if (pci_dma_mapping_error(pdev, map)) | |
2016 | goto out_err; | |
2017 | ||
2018 | nf->dma = map; | |
2019 | nf->length = skb_headlen(skb); | |
2020 | ||
2021 | for (i = 0; i < nr_frags; i++) { | |
2022 | frag = &skb_shinfo(skb)->frags[i]; | |
2023 | nf = &pbuf->frag_array[i+1]; | |
2024 | ||
2025 | map = pci_map_page(pdev, frag->page, frag->page_offset, | |
2026 | frag->size, PCI_DMA_TODEVICE); | |
2027 | if (pci_dma_mapping_error(pdev, map)) | |
2028 | goto unwind; | |
2029 | ||
2030 | nf->dma = map; | |
2031 | nf->length = frag->size; | |
2032 | } | |
2033 | ||
2034 | return 0; | |
2035 | ||
2036 | unwind: | |
2037 | while (--i >= 0) { | |
2038 | nf = &pbuf->frag_array[i+1]; | |
2039 | pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE); | |
2040 | } | |
2041 | ||
2042 | nf = &pbuf->frag_array[0]; | |
2043 | pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE); | |
2044 | ||
2045 | out_err: | |
2046 | return -ENOMEM; | |
2047 | } | |
2048 | ||
8cf61f89 AKS |
2049 | static int |
2050 | qlcnic_check_tx_tagging(struct qlcnic_adapter *adapter, | |
2051 | struct sk_buff *skb, | |
2052 | struct cmd_desc_type0 *first_desc) | |
2053 | { | |
2054 | u8 opcode = 0; | |
2055 | u16 flags = 0; | |
2056 | __be16 protocol = skb->protocol; | |
2057 | struct vlan_ethhdr *vh; | |
2058 | ||
2059 | if (protocol == cpu_to_be16(ETH_P_8021Q)) { | |
2060 | vh = (struct vlan_ethhdr *)skb->data; | |
2061 | protocol = vh->h_vlan_encapsulated_proto; | |
2062 | flags = FLAGS_VLAN_TAGGED; | |
2063 | qlcnic_set_tx_vlan_tci(first_desc, ntohs(vh->h_vlan_TCI)); | |
2064 | } else if (vlan_tx_tag_present(skb)) { | |
2065 | flags = FLAGS_VLAN_OOB; | |
2066 | qlcnic_set_tx_vlan_tci(first_desc, vlan_tx_tag_get(skb)); | |
2067 | } | |
2068 | if (unlikely(adapter->pvid)) { | |
2069 | if (first_desc->vlan_TCI && | |
2070 | !(adapter->flags & QLCNIC_TAGGING_ENABLED)) | |
2071 | return -EIO; | |
2072 | if (first_desc->vlan_TCI && | |
2073 | (adapter->flags & QLCNIC_TAGGING_ENABLED)) | |
2074 | goto set_flags; | |
2075 | ||
2076 | flags = FLAGS_VLAN_OOB; | |
2077 | qlcnic_set_tx_vlan_tci(first_desc, adapter->pvid); | |
2078 | } | |
2079 | set_flags: | |
2080 | qlcnic_set_tx_flags_opcode(first_desc, flags, opcode); | |
2081 | return 0; | |
2082 | } | |
2083 | ||
af19b491 AKS |
2084 | static inline void |
2085 | qlcnic_clear_cmddesc(u64 *desc) | |
2086 | { | |
2087 | desc[0] = 0ULL; | |
2088 | desc[2] = 0ULL; | |
8cf61f89 | 2089 | desc[7] = 0ULL; |
af19b491 AKS |
2090 | } |
2091 | ||
cdaff185 | 2092 | netdev_tx_t |
af19b491 AKS |
2093 | qlcnic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) |
2094 | { | |
2095 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
2096 | struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring; | |
2097 | struct qlcnic_cmd_buffer *pbuf; | |
2098 | struct qlcnic_skb_frag *buffrag; | |
2099 | struct cmd_desc_type0 *hwdesc, *first_desc; | |
2100 | struct pci_dev *pdev; | |
dcb50aff | 2101 | struct ethhdr *phdr; |
af19b491 AKS |
2102 | int i, k; |
2103 | ||
2104 | u32 producer; | |
2105 | int frag_count, no_of_desc; | |
2106 | u32 num_txd = tx_ring->num_desc; | |
2107 | ||
780ab790 AKS |
2108 | if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) { |
2109 | netif_stop_queue(netdev); | |
2110 | return NETDEV_TX_BUSY; | |
2111 | } | |
2112 | ||
fe4d434d | 2113 | if (adapter->flags & QLCNIC_MACSPOOF) { |
dcb50aff RB |
2114 | phdr = (struct ethhdr *)skb->data; |
2115 | if (compare_ether_addr(phdr->h_source, | |
fe4d434d SC |
2116 | adapter->mac_addr)) |
2117 | goto drop_packet; | |
2118 | } | |
2119 | ||
af19b491 AKS |
2120 | frag_count = skb_shinfo(skb)->nr_frags + 1; |
2121 | ||
2122 | /* 4 fragments per cmd des */ | |
2123 | no_of_desc = (frag_count + 3) >> 2; | |
2124 | ||
ef71ff83 | 2125 | if (unlikely(qlcnic_tx_avail(tx_ring) <= TX_STOP_THRESH)) { |
af19b491 | 2126 | netif_stop_queue(netdev); |
ef71ff83 RB |
2127 | smp_mb(); |
2128 | if (qlcnic_tx_avail(tx_ring) > TX_STOP_THRESH) | |
2129 | netif_start_queue(netdev); | |
2130 | else { | |
2131 | adapter->stats.xmit_off++; | |
2132 | return NETDEV_TX_BUSY; | |
2133 | } | |
af19b491 AKS |
2134 | } |
2135 | ||
2136 | producer = tx_ring->producer; | |
2137 | pbuf = &tx_ring->cmd_buf_arr[producer]; | |
2138 | ||
2139 | pdev = adapter->pdev; | |
2140 | ||
8cf61f89 AKS |
2141 | first_desc = hwdesc = &tx_ring->desc_head[producer]; |
2142 | qlcnic_clear_cmddesc((u64 *)hwdesc); | |
2143 | ||
2144 | if (qlcnic_check_tx_tagging(adapter, skb, first_desc)) | |
2145 | goto drop_packet; | |
2146 | ||
8ae6df97 AKS |
2147 | if (qlcnic_map_tx_skb(pdev, skb, pbuf)) { |
2148 | adapter->stats.tx_dma_map_error++; | |
af19b491 | 2149 | goto drop_packet; |
8ae6df97 | 2150 | } |
af19b491 AKS |
2151 | |
2152 | pbuf->skb = skb; | |
2153 | pbuf->frag_count = frag_count; | |
2154 | ||
af19b491 AKS |
2155 | qlcnic_set_tx_frags_len(first_desc, frag_count, skb->len); |
2156 | qlcnic_set_tx_port(first_desc, adapter->portnum); | |
2157 | ||
2158 | for (i = 0; i < frag_count; i++) { | |
2159 | ||
2160 | k = i % 4; | |
2161 | ||
2162 | if ((k == 0) && (i > 0)) { | |
2163 | /* move to next desc.*/ | |
2164 | producer = get_next_index(producer, num_txd); | |
2165 | hwdesc = &tx_ring->desc_head[producer]; | |
2166 | qlcnic_clear_cmddesc((u64 *)hwdesc); | |
2167 | tx_ring->cmd_buf_arr[producer].skb = NULL; | |
2168 | } | |
2169 | ||
2170 | buffrag = &pbuf->frag_array[i]; | |
2171 | ||
2172 | hwdesc->buffer_length[k] = cpu_to_le16(buffrag->length); | |
2173 | switch (k) { | |
2174 | case 0: | |
2175 | hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma); | |
2176 | break; | |
2177 | case 1: | |
2178 | hwdesc->addr_buffer2 = cpu_to_le64(buffrag->dma); | |
2179 | break; | |
2180 | case 2: | |
2181 | hwdesc->addr_buffer3 = cpu_to_le64(buffrag->dma); | |
2182 | break; | |
2183 | case 3: | |
2184 | hwdesc->addr_buffer4 = cpu_to_le64(buffrag->dma); | |
2185 | break; | |
2186 | } | |
2187 | } | |
2188 | ||
2189 | tx_ring->producer = get_next_index(producer, num_txd); | |
2190 | ||
2191 | qlcnic_tso_check(netdev, tx_ring, first_desc, skb); | |
2192 | ||
b5e5492c AKS |
2193 | if (qlcnic_mac_learn) |
2194 | qlcnic_send_filter(adapter, tx_ring, first_desc, skb); | |
2195 | ||
af19b491 AKS |
2196 | qlcnic_update_cmd_producer(adapter, tx_ring); |
2197 | ||
2198 | adapter->stats.txbytes += skb->len; | |
2199 | adapter->stats.xmitcalled++; | |
2200 | ||
2201 | return NETDEV_TX_OK; | |
2202 | ||
2203 | drop_packet: | |
2204 | adapter->stats.txdropped++; | |
2205 | dev_kfree_skb_any(skb); | |
2206 | return NETDEV_TX_OK; | |
2207 | } | |
2208 | ||
2209 | static int qlcnic_check_temp(struct qlcnic_adapter *adapter) | |
2210 | { | |
2211 | struct net_device *netdev = adapter->netdev; | |
2212 | u32 temp, temp_state, temp_val; | |
2213 | int rv = 0; | |
2214 | ||
2215 | temp = QLCRD32(adapter, CRB_TEMP_STATE); | |
2216 | ||
2217 | temp_state = qlcnic_get_temp_state(temp); | |
2218 | temp_val = qlcnic_get_temp_val(temp); | |
2219 | ||
2220 | if (temp_state == QLCNIC_TEMP_PANIC) { | |
2221 | dev_err(&netdev->dev, | |
2222 | "Device temperature %d degrees C exceeds" | |
2223 | " maximum allowed. Hardware has been shut down.\n", | |
2224 | temp_val); | |
2225 | rv = 1; | |
2226 | } else if (temp_state == QLCNIC_TEMP_WARN) { | |
2227 | if (adapter->temp == QLCNIC_TEMP_NORMAL) { | |
2228 | dev_err(&netdev->dev, | |
2229 | "Device temperature %d degrees C " | |
2230 | "exceeds operating range." | |
2231 | " Immediate action needed.\n", | |
2232 | temp_val); | |
2233 | } | |
2234 | } else { | |
2235 | if (adapter->temp == QLCNIC_TEMP_WARN) { | |
2236 | dev_info(&netdev->dev, | |
2237 | "Device temperature is now %d degrees C" | |
2238 | " in normal range.\n", temp_val); | |
2239 | } | |
2240 | } | |
2241 | adapter->temp = temp_state; | |
2242 | return rv; | |
2243 | } | |
2244 | ||
2245 | void qlcnic_advert_link_change(struct qlcnic_adapter *adapter, int linkup) | |
2246 | { | |
2247 | struct net_device *netdev = adapter->netdev; | |
2248 | ||
2249 | if (adapter->ahw.linkup && !linkup) { | |
69324275 | 2250 | netdev_info(netdev, "NIC Link is down\n"); |
af19b491 AKS |
2251 | adapter->ahw.linkup = 0; |
2252 | if (netif_running(netdev)) { | |
2253 | netif_carrier_off(netdev); | |
2254 | netif_stop_queue(netdev); | |
2255 | } | |
2256 | } else if (!adapter->ahw.linkup && linkup) { | |
69324275 | 2257 | netdev_info(netdev, "NIC Link is up\n"); |
af19b491 AKS |
2258 | adapter->ahw.linkup = 1; |
2259 | if (netif_running(netdev)) { | |
2260 | netif_carrier_on(netdev); | |
2261 | netif_wake_queue(netdev); | |
2262 | } | |
2263 | } | |
2264 | } | |
2265 | ||
2266 | static void qlcnic_tx_timeout(struct net_device *netdev) | |
2267 | { | |
2268 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
2269 | ||
2270 | if (test_bit(__QLCNIC_RESETTING, &adapter->state)) | |
2271 | return; | |
2272 | ||
2273 | dev_err(&netdev->dev, "transmit timeout, resetting.\n"); | |
af19b491 AKS |
2274 | |
2275 | if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) | |
68bf1c68 AKS |
2276 | adapter->need_fw_reset = 1; |
2277 | else | |
2278 | adapter->reset_context = 1; | |
af19b491 AKS |
2279 | } |
2280 | ||
2281 | static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev) | |
2282 | { | |
2283 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
2284 | struct net_device_stats *stats = &netdev->stats; | |
2285 | ||
af19b491 AKS |
2286 | stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; |
2287 | stats->tx_packets = adapter->stats.xmitfinished; | |
7e382594 | 2288 | stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes; |
af19b491 AKS |
2289 | stats->tx_bytes = adapter->stats.txbytes; |
2290 | stats->rx_dropped = adapter->stats.rxdropped; | |
2291 | stats->tx_dropped = adapter->stats.txdropped; | |
2292 | ||
2293 | return stats; | |
2294 | } | |
2295 | ||
7eb9855d | 2296 | static irqreturn_t qlcnic_clear_legacy_intr(struct qlcnic_adapter *adapter) |
af19b491 | 2297 | { |
af19b491 AKS |
2298 | u32 status; |
2299 | ||
2300 | status = readl(adapter->isr_int_vec); | |
2301 | ||
2302 | if (!(status & adapter->int_vec_bit)) | |
2303 | return IRQ_NONE; | |
2304 | ||
2305 | /* check interrupt state machine, to be sure */ | |
2306 | status = readl(adapter->crb_int_state_reg); | |
2307 | if (!ISR_LEGACY_INT_TRIGGERED(status)) | |
2308 | return IRQ_NONE; | |
2309 | ||
2310 | writel(0xffffffff, adapter->tgt_status_reg); | |
2311 | /* read twice to ensure write is flushed */ | |
2312 | readl(adapter->isr_int_vec); | |
2313 | readl(adapter->isr_int_vec); | |
2314 | ||
7eb9855d AKS |
2315 | return IRQ_HANDLED; |
2316 | } | |
2317 | ||
2318 | static irqreturn_t qlcnic_tmp_intr(int irq, void *data) | |
2319 | { | |
2320 | struct qlcnic_host_sds_ring *sds_ring = data; | |
2321 | struct qlcnic_adapter *adapter = sds_ring->adapter; | |
2322 | ||
2323 | if (adapter->flags & QLCNIC_MSIX_ENABLED) | |
2324 | goto done; | |
2325 | else if (adapter->flags & QLCNIC_MSI_ENABLED) { | |
2326 | writel(0xffffffff, adapter->tgt_status_reg); | |
2327 | goto done; | |
2328 | } | |
2329 | ||
2330 | if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) | |
2331 | return IRQ_NONE; | |
2332 | ||
2333 | done: | |
2334 | adapter->diag_cnt++; | |
2335 | qlcnic_enable_int(sds_ring); | |
2336 | return IRQ_HANDLED; | |
2337 | } | |
2338 | ||
2339 | static irqreturn_t qlcnic_intr(int irq, void *data) | |
2340 | { | |
2341 | struct qlcnic_host_sds_ring *sds_ring = data; | |
2342 | struct qlcnic_adapter *adapter = sds_ring->adapter; | |
2343 | ||
2344 | if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) | |
2345 | return IRQ_NONE; | |
2346 | ||
af19b491 AKS |
2347 | napi_schedule(&sds_ring->napi); |
2348 | ||
2349 | return IRQ_HANDLED; | |
2350 | } | |
2351 | ||
2352 | static irqreturn_t qlcnic_msi_intr(int irq, void *data) | |
2353 | { | |
2354 | struct qlcnic_host_sds_ring *sds_ring = data; | |
2355 | struct qlcnic_adapter *adapter = sds_ring->adapter; | |
2356 | ||
2357 | /* clear interrupt */ | |
2358 | writel(0xffffffff, adapter->tgt_status_reg); | |
2359 | ||
2360 | napi_schedule(&sds_ring->napi); | |
2361 | return IRQ_HANDLED; | |
2362 | } | |
2363 | ||
2364 | static irqreturn_t qlcnic_msix_intr(int irq, void *data) | |
2365 | { | |
2366 | struct qlcnic_host_sds_ring *sds_ring = data; | |
2367 | ||
2368 | napi_schedule(&sds_ring->napi); | |
2369 | return IRQ_HANDLED; | |
2370 | } | |
2371 | ||
2372 | static int qlcnic_process_cmd_ring(struct qlcnic_adapter *adapter) | |
2373 | { | |
2374 | u32 sw_consumer, hw_consumer; | |
2375 | int count = 0, i; | |
2376 | struct qlcnic_cmd_buffer *buffer; | |
2377 | struct pci_dev *pdev = adapter->pdev; | |
2378 | struct net_device *netdev = adapter->netdev; | |
2379 | struct qlcnic_skb_frag *frag; | |
2380 | int done; | |
2381 | struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring; | |
2382 | ||
2383 | if (!spin_trylock(&adapter->tx_clean_lock)) | |
2384 | return 1; | |
2385 | ||
2386 | sw_consumer = tx_ring->sw_consumer; | |
2387 | hw_consumer = le32_to_cpu(*(tx_ring->hw_consumer)); | |
2388 | ||
2389 | while (sw_consumer != hw_consumer) { | |
2390 | buffer = &tx_ring->cmd_buf_arr[sw_consumer]; | |
2391 | if (buffer->skb) { | |
2392 | frag = &buffer->frag_array[0]; | |
2393 | pci_unmap_single(pdev, frag->dma, frag->length, | |
2394 | PCI_DMA_TODEVICE); | |
2395 | frag->dma = 0ULL; | |
2396 | for (i = 1; i < buffer->frag_count; i++) { | |
2397 | frag++; | |
2398 | pci_unmap_page(pdev, frag->dma, frag->length, | |
2399 | PCI_DMA_TODEVICE); | |
2400 | frag->dma = 0ULL; | |
2401 | } | |
2402 | ||
2403 | adapter->stats.xmitfinished++; | |
2404 | dev_kfree_skb_any(buffer->skb); | |
2405 | buffer->skb = NULL; | |
2406 | } | |
2407 | ||
2408 | sw_consumer = get_next_index(sw_consumer, tx_ring->num_desc); | |
2409 | if (++count >= MAX_STATUS_HANDLE) | |
2410 | break; | |
2411 | } | |
2412 | ||
2413 | if (count && netif_running(netdev)) { | |
2414 | tx_ring->sw_consumer = sw_consumer; | |
2415 | ||
2416 | smp_mb(); | |
2417 | ||
2418 | if (netif_queue_stopped(netdev) && netif_carrier_ok(netdev)) { | |
af19b491 AKS |
2419 | if (qlcnic_tx_avail(tx_ring) > TX_STOP_THRESH) { |
2420 | netif_wake_queue(netdev); | |
8bfe8b91 | 2421 | adapter->stats.xmit_on++; |
af19b491 | 2422 | } |
af19b491 | 2423 | } |
ef71ff83 | 2424 | adapter->tx_timeo_cnt = 0; |
af19b491 AKS |
2425 | } |
2426 | /* | |
2427 | * If everything is freed up to consumer then check if the ring is full | |
2428 | * If the ring is full then check if more needs to be freed and | |
2429 | * schedule the call back again. | |
2430 | * | |
2431 | * This happens when there are 2 CPUs. One could be freeing and the | |
2432 | * other filling it. If the ring is full when we get out of here and | |
2433 | * the card has already interrupted the host then the host can miss the | |
2434 | * interrupt. | |
2435 | * | |
2436 | * There is still a possible race condition and the host could miss an | |
2437 | * interrupt. The card has to take care of this. | |
2438 | */ | |
2439 | hw_consumer = le32_to_cpu(*(tx_ring->hw_consumer)); | |
2440 | done = (sw_consumer == hw_consumer); | |
2441 | spin_unlock(&adapter->tx_clean_lock); | |
2442 | ||
2443 | return done; | |
2444 | } | |
2445 | ||
2446 | static int qlcnic_poll(struct napi_struct *napi, int budget) | |
2447 | { | |
2448 | struct qlcnic_host_sds_ring *sds_ring = | |
2449 | container_of(napi, struct qlcnic_host_sds_ring, napi); | |
2450 | ||
2451 | struct qlcnic_adapter *adapter = sds_ring->adapter; | |
2452 | ||
2453 | int tx_complete; | |
2454 | int work_done; | |
2455 | ||
2456 | tx_complete = qlcnic_process_cmd_ring(adapter); | |
2457 | ||
2458 | work_done = qlcnic_process_rcv_ring(sds_ring, budget); | |
2459 | ||
2460 | if ((work_done < budget) && tx_complete) { | |
2461 | napi_complete(&sds_ring->napi); | |
2462 | if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) | |
2463 | qlcnic_enable_int(sds_ring); | |
2464 | } | |
2465 | ||
2466 | return work_done; | |
2467 | } | |
2468 | ||
8f891387 | 2469 | static int qlcnic_rx_poll(struct napi_struct *napi, int budget) |
2470 | { | |
2471 | struct qlcnic_host_sds_ring *sds_ring = | |
2472 | container_of(napi, struct qlcnic_host_sds_ring, napi); | |
2473 | ||
2474 | struct qlcnic_adapter *adapter = sds_ring->adapter; | |
2475 | int work_done; | |
2476 | ||
2477 | work_done = qlcnic_process_rcv_ring(sds_ring, budget); | |
2478 | ||
2479 | if (work_done < budget) { | |
2480 | napi_complete(&sds_ring->napi); | |
2481 | if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) | |
2482 | qlcnic_enable_int(sds_ring); | |
2483 | } | |
2484 | ||
2485 | return work_done; | |
2486 | } | |
2487 | ||
af19b491 AKS |
2488 | #ifdef CONFIG_NET_POLL_CONTROLLER |
2489 | static void qlcnic_poll_controller(struct net_device *netdev) | |
2490 | { | |
bf82791e YL |
2491 | int ring; |
2492 | struct qlcnic_host_sds_ring *sds_ring; | |
af19b491 | 2493 | struct qlcnic_adapter *adapter = netdev_priv(netdev); |
bf82791e YL |
2494 | struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx; |
2495 | ||
af19b491 | 2496 | disable_irq(adapter->irq); |
bf82791e YL |
2497 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
2498 | sds_ring = &recv_ctx->sds_rings[ring]; | |
2499 | qlcnic_intr(adapter->irq, sds_ring); | |
2500 | } | |
af19b491 AKS |
2501 | enable_irq(adapter->irq); |
2502 | } | |
2503 | #endif | |
2504 | ||
6df900e9 SC |
2505 | static void |
2506 | qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding) | |
2507 | { | |
2508 | u32 val; | |
2509 | ||
2510 | val = adapter->portnum & 0xf; | |
2511 | val |= encoding << 7; | |
2512 | val |= (jiffies - adapter->dev_rst_time) << 8; | |
2513 | ||
2514 | QLCWR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val); | |
2515 | adapter->dev_rst_time = jiffies; | |
2516 | } | |
2517 | ||
ade91f8e AKS |
2518 | static int |
2519 | qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state) | |
af19b491 AKS |
2520 | { |
2521 | u32 val; | |
2522 | ||
2523 | WARN_ON(state != QLCNIC_DEV_NEED_RESET && | |
2524 | state != QLCNIC_DEV_NEED_QUISCENT); | |
2525 | ||
2526 | if (qlcnic_api_lock(adapter)) | |
ade91f8e | 2527 | return -EIO; |
af19b491 AKS |
2528 | |
2529 | val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); | |
2530 | ||
2531 | if (state == QLCNIC_DEV_NEED_RESET) | |
6d2a4724 | 2532 | QLC_DEV_SET_RST_RDY(val, adapter->portnum); |
af19b491 | 2533 | else if (state == QLCNIC_DEV_NEED_QUISCENT) |
6d2a4724 | 2534 | QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum); |
af19b491 AKS |
2535 | |
2536 | QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); | |
2537 | ||
2538 | qlcnic_api_unlock(adapter); | |
ade91f8e AKS |
2539 | |
2540 | return 0; | |
af19b491 AKS |
2541 | } |
2542 | ||
1b95a839 AKS |
2543 | static int |
2544 | qlcnic_clr_drv_state(struct qlcnic_adapter *adapter) | |
2545 | { | |
2546 | u32 val; | |
2547 | ||
2548 | if (qlcnic_api_lock(adapter)) | |
2549 | return -EBUSY; | |
2550 | ||
2551 | val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); | |
6d2a4724 | 2552 | QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); |
1b95a839 AKS |
2553 | QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); |
2554 | ||
2555 | qlcnic_api_unlock(adapter); | |
2556 | ||
2557 | return 0; | |
2558 | } | |
2559 | ||
af19b491 | 2560 | static void |
21854f02 | 2561 | qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed) |
af19b491 AKS |
2562 | { |
2563 | u32 val; | |
2564 | ||
2565 | if (qlcnic_api_lock(adapter)) | |
2566 | goto err; | |
2567 | ||
31018e06 | 2568 | val = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE); |
6d2a4724 | 2569 | QLC_DEV_CLR_REF_CNT(val, adapter->portnum); |
31018e06 | 2570 | QLCWR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); |
af19b491 | 2571 | |
21854f02 AKS |
2572 | if (failed) { |
2573 | QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED); | |
2574 | dev_info(&adapter->pdev->dev, | |
2575 | "Device state set to Failed. Please Reboot\n"); | |
2576 | } else if (!(val & 0x11111111)) | |
af19b491 AKS |
2577 | QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_COLD); |
2578 | ||
2579 | val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); | |
6d2a4724 | 2580 | QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); |
af19b491 AKS |
2581 | QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); |
2582 | ||
2583 | qlcnic_api_unlock(adapter); | |
2584 | err: | |
2585 | adapter->fw_fail_cnt = 0; | |
2586 | clear_bit(__QLCNIC_START_FW, &adapter->state); | |
2587 | clear_bit(__QLCNIC_RESETTING, &adapter->state); | |
2588 | } | |
2589 | ||
f73dfc50 | 2590 | /* Grab api lock, before checking state */ |
af19b491 AKS |
2591 | static int |
2592 | qlcnic_check_drv_state(struct qlcnic_adapter *adapter) | |
2593 | { | |
2594 | int act, state; | |
2595 | ||
2596 | state = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); | |
31018e06 | 2597 | act = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE); |
af19b491 AKS |
2598 | |
2599 | if (((state & 0x11111111) == (act & 0x11111111)) || | |
2600 | ((act & 0x11111111) == ((state >> 1) & 0x11111111))) | |
2601 | return 0; | |
2602 | else | |
2603 | return 1; | |
2604 | } | |
2605 | ||
96f8118c SC |
2606 | static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter) |
2607 | { | |
2608 | u32 val = QLCRD32(adapter, QLCNIC_CRB_DRV_IDC_VER); | |
2609 | ||
2610 | if (val != QLCNIC_DRV_IDC_VER) { | |
2611 | dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's" | |
2612 | " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val); | |
2613 | } | |
2614 | ||
2615 | return 0; | |
2616 | } | |
2617 | ||
af19b491 AKS |
2618 | static int |
2619 | qlcnic_can_start_firmware(struct qlcnic_adapter *adapter) | |
2620 | { | |
2621 | u32 val, prev_state; | |
aa5e18c0 | 2622 | u8 dev_init_timeo = adapter->dev_init_timeo; |
6d2a4724 | 2623 | u8 portnum = adapter->portnum; |
96f8118c | 2624 | u8 ret; |
af19b491 | 2625 | |
f73dfc50 AKS |
2626 | if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state)) |
2627 | return 1; | |
2628 | ||
af19b491 AKS |
2629 | if (qlcnic_api_lock(adapter)) |
2630 | return -1; | |
2631 | ||
31018e06 | 2632 | val = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE); |
6d2a4724 AKS |
2633 | if (!(val & (1 << (portnum * 4)))) { |
2634 | QLC_DEV_SET_REF_CNT(val, portnum); | |
31018e06 | 2635 | QLCWR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); |
af19b491 AKS |
2636 | } |
2637 | ||
2638 | prev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); | |
65b5b420 | 2639 | QLCDB(adapter, HW, "Device state = %u\n", prev_state); |
af19b491 AKS |
2640 | |
2641 | switch (prev_state) { | |
2642 | case QLCNIC_DEV_COLD: | |
bbd8c6a4 | 2643 | QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITIALIZING); |
96f8118c | 2644 | QLCWR32(adapter, QLCNIC_CRB_DRV_IDC_VER, QLCNIC_DRV_IDC_VER); |
6df900e9 | 2645 | qlcnic_idc_debug_info(adapter, 0); |
af19b491 AKS |
2646 | qlcnic_api_unlock(adapter); |
2647 | return 1; | |
2648 | ||
2649 | case QLCNIC_DEV_READY: | |
96f8118c | 2650 | ret = qlcnic_check_idc_ver(adapter); |
af19b491 | 2651 | qlcnic_api_unlock(adapter); |
96f8118c | 2652 | return ret; |
af19b491 AKS |
2653 | |
2654 | case QLCNIC_DEV_NEED_RESET: | |
2655 | val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); | |
6d2a4724 | 2656 | QLC_DEV_SET_RST_RDY(val, portnum); |
af19b491 AKS |
2657 | QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); |
2658 | break; | |
2659 | ||
2660 | case QLCNIC_DEV_NEED_QUISCENT: | |
2661 | val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); | |
6d2a4724 | 2662 | QLC_DEV_SET_QSCNT_RDY(val, portnum); |
af19b491 AKS |
2663 | QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); |
2664 | break; | |
2665 | ||
2666 | case QLCNIC_DEV_FAILED: | |
a7fc948f | 2667 | dev_err(&adapter->pdev->dev, "Device in failed state.\n"); |
af19b491 AKS |
2668 | qlcnic_api_unlock(adapter); |
2669 | return -1; | |
bbd8c6a4 AKS |
2670 | |
2671 | case QLCNIC_DEV_INITIALIZING: | |
2672 | case QLCNIC_DEV_QUISCENT: | |
2673 | break; | |
af19b491 AKS |
2674 | } |
2675 | ||
2676 | qlcnic_api_unlock(adapter); | |
aa5e18c0 SC |
2677 | |
2678 | do { | |
af19b491 | 2679 | msleep(1000); |
a5e463d0 SC |
2680 | prev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); |
2681 | ||
2682 | if (prev_state == QLCNIC_DEV_QUISCENT) | |
2683 | continue; | |
2684 | } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo); | |
af19b491 | 2685 | |
65b5b420 AKS |
2686 | if (!dev_init_timeo) { |
2687 | dev_err(&adapter->pdev->dev, | |
2688 | "Waiting for device to initialize timeout\n"); | |
af19b491 | 2689 | return -1; |
65b5b420 | 2690 | } |
af19b491 AKS |
2691 | |
2692 | if (qlcnic_api_lock(adapter)) | |
2693 | return -1; | |
2694 | ||
2695 | val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); | |
6d2a4724 | 2696 | QLC_DEV_CLR_RST_QSCNT(val, portnum); |
af19b491 AKS |
2697 | QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); |
2698 | ||
96f8118c | 2699 | ret = qlcnic_check_idc_ver(adapter); |
af19b491 AKS |
2700 | qlcnic_api_unlock(adapter); |
2701 | ||
96f8118c | 2702 | return ret; |
af19b491 AKS |
2703 | } |
2704 | ||
2705 | static void | |
2706 | qlcnic_fwinit_work(struct work_struct *work) | |
2707 | { | |
2708 | struct qlcnic_adapter *adapter = container_of(work, | |
2709 | struct qlcnic_adapter, fw_work.work); | |
3c4b23b1 | 2710 | u32 dev_state = 0xf; |
af19b491 | 2711 | |
f73dfc50 AKS |
2712 | if (qlcnic_api_lock(adapter)) |
2713 | goto err_ret; | |
af19b491 | 2714 | |
a5e463d0 | 2715 | dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); |
b8c17620 AKS |
2716 | if (dev_state == QLCNIC_DEV_QUISCENT || |
2717 | dev_state == QLCNIC_DEV_NEED_QUISCENT) { | |
a5e463d0 SC |
2718 | qlcnic_api_unlock(adapter); |
2719 | qlcnic_schedule_work(adapter, qlcnic_fwinit_work, | |
2720 | FW_POLL_DELAY * 2); | |
2721 | return; | |
2722 | } | |
2723 | ||
9f26f547 | 2724 | if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC) { |
3c4b23b1 AKS |
2725 | qlcnic_api_unlock(adapter); |
2726 | goto wait_npar; | |
9f26f547 AC |
2727 | } |
2728 | ||
f73dfc50 AKS |
2729 | if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) { |
2730 | dev_err(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n", | |
2731 | adapter->reset_ack_timeo); | |
2732 | goto skip_ack_check; | |
2733 | } | |
2734 | ||
2735 | if (!qlcnic_check_drv_state(adapter)) { | |
2736 | skip_ack_check: | |
2737 | dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); | |
a5e463d0 | 2738 | |
f73dfc50 AKS |
2739 | if (dev_state == QLCNIC_DEV_NEED_RESET) { |
2740 | QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, | |
2741 | QLCNIC_DEV_INITIALIZING); | |
2742 | set_bit(__QLCNIC_START_FW, &adapter->state); | |
2743 | QLCDB(adapter, DRV, "Restarting fw\n"); | |
6df900e9 | 2744 | qlcnic_idc_debug_info(adapter, 0); |
af19b491 AKS |
2745 | } |
2746 | ||
f73dfc50 AKS |
2747 | qlcnic_api_unlock(adapter); |
2748 | ||
9f26f547 | 2749 | if (!adapter->nic_ops->start_firmware(adapter)) { |
af19b491 | 2750 | qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); |
b18971d1 | 2751 | adapter->fw_wait_cnt = 0; |
af19b491 AKS |
2752 | return; |
2753 | } | |
af19b491 AKS |
2754 | goto err_ret; |
2755 | } | |
2756 | ||
f73dfc50 | 2757 | qlcnic_api_unlock(adapter); |
aa5e18c0 | 2758 | |
9f26f547 | 2759 | wait_npar: |
af19b491 | 2760 | dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); |
f73dfc50 | 2761 | QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state); |
65b5b420 | 2762 | |
af19b491 | 2763 | switch (dev_state) { |
3c4b23b1 | 2764 | case QLCNIC_DEV_READY: |
9f26f547 | 2765 | if (!adapter->nic_ops->start_firmware(adapter)) { |
f73dfc50 | 2766 | qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); |
b18971d1 | 2767 | adapter->fw_wait_cnt = 0; |
f73dfc50 AKS |
2768 | return; |
2769 | } | |
3c4b23b1 AKS |
2770 | case QLCNIC_DEV_FAILED: |
2771 | break; | |
2772 | default: | |
2773 | qlcnic_schedule_work(adapter, | |
2774 | qlcnic_fwinit_work, FW_POLL_DELAY); | |
2775 | return; | |
af19b491 AKS |
2776 | } |
2777 | ||
2778 | err_ret: | |
f73dfc50 AKS |
2779 | dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u " |
2780 | "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt); | |
34ce3626 | 2781 | netif_device_attach(adapter->netdev); |
21854f02 | 2782 | qlcnic_clr_all_drv_state(adapter, 0); |
af19b491 AKS |
2783 | } |
2784 | ||
2785 | static void | |
2786 | qlcnic_detach_work(struct work_struct *work) | |
2787 | { | |
2788 | struct qlcnic_adapter *adapter = container_of(work, | |
2789 | struct qlcnic_adapter, fw_work.work); | |
2790 | struct net_device *netdev = adapter->netdev; | |
2791 | u32 status; | |
2792 | ||
2793 | netif_device_detach(netdev); | |
2794 | ||
b8c17620 AKS |
2795 | /* Dont grab rtnl lock during Quiscent mode */ |
2796 | if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) { | |
2797 | if (netif_running(netdev)) | |
2798 | __qlcnic_down(adapter, netdev); | |
2799 | } else | |
2800 | qlcnic_down(adapter, netdev); | |
af19b491 | 2801 | |
af19b491 AKS |
2802 | status = QLCRD32(adapter, QLCNIC_PEG_HALT_STATUS1); |
2803 | ||
2804 | if (status & QLCNIC_RCODE_FATAL_ERROR) | |
2805 | goto err_ret; | |
2806 | ||
2807 | if (adapter->temp == QLCNIC_TEMP_PANIC) | |
2808 | goto err_ret; | |
2809 | ||
ade91f8e AKS |
2810 | if (qlcnic_set_drv_state(adapter, adapter->dev_state)) |
2811 | goto err_ret; | |
af19b491 AKS |
2812 | |
2813 | adapter->fw_wait_cnt = 0; | |
2814 | ||
2815 | qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY); | |
2816 | ||
2817 | return; | |
2818 | ||
2819 | err_ret: | |
65b5b420 AKS |
2820 | dev_err(&adapter->pdev->dev, "detach failed; status=%d temp=%d\n", |
2821 | status, adapter->temp); | |
34ce3626 | 2822 | netif_device_attach(netdev); |
21854f02 | 2823 | qlcnic_clr_all_drv_state(adapter, 1); |
af19b491 AKS |
2824 | } |
2825 | ||
3c4b23b1 AKS |
2826 | /*Transit NPAR state to NON Operational */ |
2827 | static void | |
2828 | qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter) | |
2829 | { | |
2830 | u32 state; | |
2831 | ||
2832 | state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); | |
2833 | if (state == QLCNIC_DEV_NPAR_NON_OPER) | |
2834 | return; | |
2835 | ||
2836 | if (qlcnic_api_lock(adapter)) | |
2837 | return; | |
2838 | QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_NON_OPER); | |
2839 | qlcnic_api_unlock(adapter); | |
2840 | } | |
2841 | ||
f73dfc50 | 2842 | /*Transit to RESET state from READY state only */ |
af19b491 AKS |
2843 | static void |
2844 | qlcnic_dev_request_reset(struct qlcnic_adapter *adapter) | |
2845 | { | |
2846 | u32 state; | |
2847 | ||
cea8975e | 2848 | adapter->need_fw_reset = 1; |
af19b491 AKS |
2849 | if (qlcnic_api_lock(adapter)) |
2850 | return; | |
2851 | ||
2852 | state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); | |
2853 | ||
f73dfc50 | 2854 | if (state == QLCNIC_DEV_READY) { |
af19b491 | 2855 | QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_NEED_RESET); |
65b5b420 | 2856 | QLCDB(adapter, DRV, "NEED_RESET state set\n"); |
6df900e9 | 2857 | qlcnic_idc_debug_info(adapter, 0); |
af19b491 AKS |
2858 | } |
2859 | ||
3c4b23b1 | 2860 | QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_NON_OPER); |
af19b491 AKS |
2861 | qlcnic_api_unlock(adapter); |
2862 | } | |
2863 | ||
9f26f547 AC |
2864 | /* Transit to NPAR READY state from NPAR NOT READY state */ |
2865 | static void | |
2866 | qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter) | |
2867 | { | |
9f26f547 AC |
2868 | if (qlcnic_api_lock(adapter)) |
2869 | return; | |
2870 | ||
3c4b23b1 AKS |
2871 | QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_OPER); |
2872 | QLCDB(adapter, DRV, "NPAR operational state set\n"); | |
9f26f547 AC |
2873 | |
2874 | qlcnic_api_unlock(adapter); | |
2875 | } | |
2876 | ||
af19b491 AKS |
2877 | static void |
2878 | qlcnic_schedule_work(struct qlcnic_adapter *adapter, | |
2879 | work_func_t func, int delay) | |
2880 | { | |
451724c8 SC |
2881 | if (test_bit(__QLCNIC_AER, &adapter->state)) |
2882 | return; | |
2883 | ||
af19b491 | 2884 | INIT_DELAYED_WORK(&adapter->fw_work, func); |
f7ec804a AKS |
2885 | queue_delayed_work(qlcnic_wq, &adapter->fw_work, |
2886 | round_jiffies_relative(delay)); | |
af19b491 AKS |
2887 | } |
2888 | ||
2889 | static void | |
2890 | qlcnic_cancel_fw_work(struct qlcnic_adapter *adapter) | |
2891 | { | |
2892 | while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) | |
2893 | msleep(10); | |
2894 | ||
2895 | cancel_delayed_work_sync(&adapter->fw_work); | |
2896 | } | |
2897 | ||
2898 | static void | |
2899 | qlcnic_attach_work(struct work_struct *work) | |
2900 | { | |
2901 | struct qlcnic_adapter *adapter = container_of(work, | |
2902 | struct qlcnic_adapter, fw_work.work); | |
2903 | struct net_device *netdev = adapter->netdev; | |
b18971d1 | 2904 | u32 npar_state; |
af19b491 | 2905 | |
b18971d1 AKS |
2906 | if (adapter->op_mode != QLCNIC_MGMT_FUNC) { |
2907 | npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); | |
2908 | if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO) | |
2909 | qlcnic_clr_all_drv_state(adapter, 0); | |
2910 | else if (npar_state != QLCNIC_DEV_NPAR_OPER) | |
2911 | qlcnic_schedule_work(adapter, qlcnic_attach_work, | |
2912 | FW_POLL_DELAY); | |
2913 | else | |
2914 | goto attach; | |
2915 | QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n"); | |
2916 | return; | |
2917 | } | |
2918 | attach: | |
af19b491 | 2919 | if (netif_running(netdev)) { |
52486a3a | 2920 | if (qlcnic_up(adapter, netdev)) |
af19b491 | 2921 | goto done; |
af19b491 | 2922 | |
aec1e845 | 2923 | qlcnic_restore_indev_addr(netdev, NETDEV_UP); |
af19b491 AKS |
2924 | } |
2925 | ||
af19b491 | 2926 | done: |
34ce3626 | 2927 | netif_device_attach(netdev); |
af19b491 AKS |
2928 | adapter->fw_fail_cnt = 0; |
2929 | clear_bit(__QLCNIC_RESETTING, &adapter->state); | |
1b95a839 AKS |
2930 | |
2931 | if (!qlcnic_clr_drv_state(adapter)) | |
2932 | qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, | |
2933 | FW_POLL_DELAY); | |
af19b491 AKS |
2934 | } |
2935 | ||
2936 | static int | |
2937 | qlcnic_check_health(struct qlcnic_adapter *adapter) | |
2938 | { | |
4e70812b | 2939 | u32 state = 0, heartbeat; |
af19b491 AKS |
2940 | struct net_device *netdev = adapter->netdev; |
2941 | ||
2942 | if (qlcnic_check_temp(adapter)) | |
2943 | goto detach; | |
2944 | ||
2372a5f1 | 2945 | if (adapter->need_fw_reset) |
af19b491 | 2946 | qlcnic_dev_request_reset(adapter); |
af19b491 AKS |
2947 | |
2948 | state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); | |
b8c17620 | 2949 | if (state == QLCNIC_DEV_NEED_RESET) { |
3c4b23b1 | 2950 | qlcnic_set_npar_non_operational(adapter); |
af19b491 | 2951 | adapter->need_fw_reset = 1; |
b8c17620 AKS |
2952 | } else if (state == QLCNIC_DEV_NEED_QUISCENT) |
2953 | goto detach; | |
af19b491 | 2954 | |
4e70812b SC |
2955 | heartbeat = QLCRD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); |
2956 | if (heartbeat != adapter->heartbeat) { | |
2957 | adapter->heartbeat = heartbeat; | |
af19b491 AKS |
2958 | adapter->fw_fail_cnt = 0; |
2959 | if (adapter->need_fw_reset) | |
2960 | goto detach; | |
68bf1c68 | 2961 | |
9ce13ca8 | 2962 | if (adapter->reset_context && auto_fw_reset) { |
68bf1c68 AKS |
2963 | qlcnic_reset_hw_context(adapter); |
2964 | adapter->netdev->trans_start = jiffies; | |
2965 | } | |
2966 | ||
af19b491 AKS |
2967 | return 0; |
2968 | } | |
2969 | ||
2970 | if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) | |
2971 | return 0; | |
2972 | ||
2973 | qlcnic_dev_request_reset(adapter); | |
2974 | ||
9ce13ca8 | 2975 | if (auto_fw_reset) |
0df170b6 | 2976 | clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state); |
af19b491 AKS |
2977 | |
2978 | dev_info(&netdev->dev, "firmware hang detected\n"); | |
2979 | ||
2980 | detach: | |
2981 | adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state : | |
2982 | QLCNIC_DEV_NEED_RESET; | |
2983 | ||
9ce13ca8 | 2984 | if (auto_fw_reset && |
65b5b420 AKS |
2985 | !test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) { |
2986 | ||
af19b491 | 2987 | qlcnic_schedule_work(adapter, qlcnic_detach_work, 0); |
65b5b420 AKS |
2988 | QLCDB(adapter, DRV, "fw recovery scheduled.\n"); |
2989 | } | |
af19b491 AKS |
2990 | |
2991 | return 1; | |
2992 | } | |
2993 | ||
2994 | static void | |
2995 | qlcnic_fw_poll_work(struct work_struct *work) | |
2996 | { | |
2997 | struct qlcnic_adapter *adapter = container_of(work, | |
2998 | struct qlcnic_adapter, fw_work.work); | |
2999 | ||
3000 | if (test_bit(__QLCNIC_RESETTING, &adapter->state)) | |
3001 | goto reschedule; | |
3002 | ||
3003 | ||
3004 | if (qlcnic_check_health(adapter)) | |
3005 | return; | |
3006 | ||
b5e5492c AKS |
3007 | if (adapter->fhash.fnum) |
3008 | qlcnic_prune_lb_filters(adapter); | |
3009 | ||
af19b491 AKS |
3010 | reschedule: |
3011 | qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); | |
3012 | } | |
3013 | ||
451724c8 SC |
3014 | static int qlcnic_is_first_func(struct pci_dev *pdev) |
3015 | { | |
3016 | struct pci_dev *oth_pdev; | |
3017 | int val = pdev->devfn; | |
3018 | ||
3019 | while (val-- > 0) { | |
3020 | oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr | |
3021 | (pdev->bus), pdev->bus->number, | |
3022 | PCI_DEVFN(PCI_SLOT(pdev->devfn), val)); | |
bfc978fa AKS |
3023 | if (!oth_pdev) |
3024 | continue; | |
451724c8 | 3025 | |
bfc978fa AKS |
3026 | if (oth_pdev->current_state != PCI_D3cold) { |
3027 | pci_dev_put(oth_pdev); | |
451724c8 | 3028 | return 0; |
bfc978fa AKS |
3029 | } |
3030 | pci_dev_put(oth_pdev); | |
451724c8 SC |
3031 | } |
3032 | return 1; | |
3033 | } | |
3034 | ||
3035 | static int qlcnic_attach_func(struct pci_dev *pdev) | |
3036 | { | |
3037 | int err, first_func; | |
3038 | struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); | |
3039 | struct net_device *netdev = adapter->netdev; | |
3040 | ||
3041 | pdev->error_state = pci_channel_io_normal; | |
3042 | ||
3043 | err = pci_enable_device(pdev); | |
3044 | if (err) | |
3045 | return err; | |
3046 | ||
3047 | pci_set_power_state(pdev, PCI_D0); | |
3048 | pci_set_master(pdev); | |
3049 | pci_restore_state(pdev); | |
3050 | ||
3051 | first_func = qlcnic_is_first_func(pdev); | |
3052 | ||
3053 | if (qlcnic_api_lock(adapter)) | |
3054 | return -EINVAL; | |
3055 | ||
933fce12 | 3056 | if (adapter->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) { |
451724c8 SC |
3057 | adapter->need_fw_reset = 1; |
3058 | set_bit(__QLCNIC_START_FW, &adapter->state); | |
3059 | QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITIALIZING); | |
3060 | QLCDB(adapter, DRV, "Restarting fw\n"); | |
3061 | } | |
3062 | qlcnic_api_unlock(adapter); | |
3063 | ||
3064 | err = adapter->nic_ops->start_firmware(adapter); | |
3065 | if (err) | |
3066 | return err; | |
3067 | ||
3068 | qlcnic_clr_drv_state(adapter); | |
3069 | qlcnic_setup_intr(adapter); | |
3070 | ||
3071 | if (netif_running(netdev)) { | |
3072 | err = qlcnic_attach(adapter); | |
3073 | if (err) { | |
21854f02 | 3074 | qlcnic_clr_all_drv_state(adapter, 1); |
451724c8 SC |
3075 | clear_bit(__QLCNIC_AER, &adapter->state); |
3076 | netif_device_attach(netdev); | |
3077 | return err; | |
3078 | } | |
3079 | ||
3080 | err = qlcnic_up(adapter, netdev); | |
3081 | if (err) | |
3082 | goto done; | |
3083 | ||
aec1e845 | 3084 | qlcnic_restore_indev_addr(netdev, NETDEV_UP); |
451724c8 SC |
3085 | } |
3086 | done: | |
3087 | netif_device_attach(netdev); | |
3088 | return err; | |
3089 | } | |
3090 | ||
3091 | static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev, | |
3092 | pci_channel_state_t state) | |
3093 | { | |
3094 | struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); | |
3095 | struct net_device *netdev = adapter->netdev; | |
3096 | ||
3097 | if (state == pci_channel_io_perm_failure) | |
3098 | return PCI_ERS_RESULT_DISCONNECT; | |
3099 | ||
3100 | if (state == pci_channel_io_normal) | |
3101 | return PCI_ERS_RESULT_RECOVERED; | |
3102 | ||
3103 | set_bit(__QLCNIC_AER, &adapter->state); | |
3104 | netif_device_detach(netdev); | |
3105 | ||
3106 | cancel_delayed_work_sync(&adapter->fw_work); | |
3107 | ||
3108 | if (netif_running(netdev)) | |
3109 | qlcnic_down(adapter, netdev); | |
3110 | ||
3111 | qlcnic_detach(adapter); | |
3112 | qlcnic_teardown_intr(adapter); | |
3113 | ||
3114 | clear_bit(__QLCNIC_RESETTING, &adapter->state); | |
3115 | ||
3116 | pci_save_state(pdev); | |
3117 | pci_disable_device(pdev); | |
3118 | ||
3119 | return PCI_ERS_RESULT_NEED_RESET; | |
3120 | } | |
3121 | ||
3122 | static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev) | |
3123 | { | |
3124 | return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT : | |
3125 | PCI_ERS_RESULT_RECOVERED; | |
3126 | } | |
3127 | ||
3128 | static void qlcnic_io_resume(struct pci_dev *pdev) | |
3129 | { | |
3130 | struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); | |
3131 | ||
3132 | pci_cleanup_aer_uncorrect_error_status(pdev); | |
3133 | ||
3134 | if (QLCRD32(adapter, QLCNIC_CRB_DEV_STATE) == QLCNIC_DEV_READY && | |
3135 | test_and_clear_bit(__QLCNIC_AER, &adapter->state)) | |
3136 | qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, | |
3137 | FW_POLL_DELAY); | |
3138 | } | |
3139 | ||
87eb743b AC |
3140 | static int |
3141 | qlcnicvf_start_firmware(struct qlcnic_adapter *adapter) | |
3142 | { | |
3143 | int err; | |
3144 | ||
3145 | err = qlcnic_can_start_firmware(adapter); | |
3146 | if (err) | |
3147 | return err; | |
3148 | ||
78f84e1a AKS |
3149 | err = qlcnic_check_npar_opertional(adapter); |
3150 | if (err) | |
3151 | return err; | |
3c4b23b1 | 3152 | |
174240a8 RB |
3153 | err = qlcnic_initialize_nic(adapter); |
3154 | if (err) | |
3155 | return err; | |
3156 | ||
87eb743b AC |
3157 | qlcnic_check_options(adapter); |
3158 | ||
7373373d RB |
3159 | err = qlcnic_set_eswitch_port_config(adapter); |
3160 | if (err) | |
3161 | return err; | |
3162 | ||
87eb743b AC |
3163 | adapter->need_fw_reset = 0; |
3164 | ||
3165 | return err; | |
3166 | } | |
3167 | ||
3168 | static int | |
3169 | qlcnicvf_config_bridged_mode(struct qlcnic_adapter *adapter, u32 enable) | |
3170 | { | |
3171 | return -EOPNOTSUPP; | |
3172 | } | |
3173 | ||
3174 | static int | |
3175 | qlcnicvf_config_led(struct qlcnic_adapter *adapter, u32 state, u32 rate) | |
3176 | { | |
3177 | return -EOPNOTSUPP; | |
3178 | } | |
3179 | ||
af19b491 AKS |
3180 | static ssize_t |
3181 | qlcnic_store_bridged_mode(struct device *dev, | |
3182 | struct device_attribute *attr, const char *buf, size_t len) | |
3183 | { | |
3184 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3185 | unsigned long new; | |
3186 | int ret = -EINVAL; | |
3187 | ||
3188 | if (!(adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG)) | |
3189 | goto err_out; | |
3190 | ||
8a15ad1f | 3191 | if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) |
af19b491 AKS |
3192 | goto err_out; |
3193 | ||
3194 | if (strict_strtoul(buf, 2, &new)) | |
3195 | goto err_out; | |
3196 | ||
2e9d722d | 3197 | if (!adapter->nic_ops->config_bridged_mode(adapter, !!new)) |
af19b491 AKS |
3198 | ret = len; |
3199 | ||
3200 | err_out: | |
3201 | return ret; | |
3202 | } | |
3203 | ||
3204 | static ssize_t | |
3205 | qlcnic_show_bridged_mode(struct device *dev, | |
3206 | struct device_attribute *attr, char *buf) | |
3207 | { | |
3208 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3209 | int bridged_mode = 0; | |
3210 | ||
3211 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG) | |
3212 | bridged_mode = !!(adapter->flags & QLCNIC_BRIDGE_ENABLED); | |
3213 | ||
3214 | return sprintf(buf, "%d\n", bridged_mode); | |
3215 | } | |
3216 | ||
3217 | static struct device_attribute dev_attr_bridged_mode = { | |
3218 | .attr = {.name = "bridged_mode", .mode = (S_IRUGO | S_IWUSR)}, | |
3219 | .show = qlcnic_show_bridged_mode, | |
3220 | .store = qlcnic_store_bridged_mode, | |
3221 | }; | |
3222 | ||
3223 | static ssize_t | |
3224 | qlcnic_store_diag_mode(struct device *dev, | |
3225 | struct device_attribute *attr, const char *buf, size_t len) | |
3226 | { | |
3227 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3228 | unsigned long new; | |
3229 | ||
3230 | if (strict_strtoul(buf, 2, &new)) | |
3231 | return -EINVAL; | |
3232 | ||
3233 | if (!!new != !!(adapter->flags & QLCNIC_DIAG_ENABLED)) | |
3234 | adapter->flags ^= QLCNIC_DIAG_ENABLED; | |
3235 | ||
3236 | return len; | |
3237 | } | |
3238 | ||
3239 | static ssize_t | |
3240 | qlcnic_show_diag_mode(struct device *dev, | |
3241 | struct device_attribute *attr, char *buf) | |
3242 | { | |
3243 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3244 | ||
3245 | return sprintf(buf, "%d\n", | |
3246 | !!(adapter->flags & QLCNIC_DIAG_ENABLED)); | |
3247 | } | |
3248 | ||
3249 | static struct device_attribute dev_attr_diag_mode = { | |
3250 | .attr = {.name = "diag_mode", .mode = (S_IRUGO | S_IWUSR)}, | |
3251 | .show = qlcnic_show_diag_mode, | |
3252 | .store = qlcnic_store_diag_mode, | |
3253 | }; | |
3254 | ||
3255 | static int | |
3256 | qlcnic_sysfs_validate_crb(struct qlcnic_adapter *adapter, | |
3257 | loff_t offset, size_t size) | |
3258 | { | |
897e8c7c DP |
3259 | size_t crb_size = 4; |
3260 | ||
af19b491 AKS |
3261 | if (!(adapter->flags & QLCNIC_DIAG_ENABLED)) |
3262 | return -EIO; | |
3263 | ||
897e8c7c DP |
3264 | if (offset < QLCNIC_PCI_CRBSPACE) { |
3265 | if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, | |
3266 | QLCNIC_PCI_CAMQM_END)) | |
3267 | crb_size = 8; | |
3268 | else | |
3269 | return -EINVAL; | |
3270 | } | |
af19b491 | 3271 | |
897e8c7c DP |
3272 | if ((size != crb_size) || (offset & (crb_size-1))) |
3273 | return -EINVAL; | |
af19b491 AKS |
3274 | |
3275 | return 0; | |
3276 | } | |
3277 | ||
3278 | static ssize_t | |
2c3c8bea CW |
3279 | qlcnic_sysfs_read_crb(struct file *filp, struct kobject *kobj, |
3280 | struct bin_attribute *attr, | |
af19b491 AKS |
3281 | char *buf, loff_t offset, size_t size) |
3282 | { | |
3283 | struct device *dev = container_of(kobj, struct device, kobj); | |
3284 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3285 | u32 data; | |
897e8c7c | 3286 | u64 qmdata; |
af19b491 AKS |
3287 | int ret; |
3288 | ||
3289 | ret = qlcnic_sysfs_validate_crb(adapter, offset, size); | |
3290 | if (ret != 0) | |
3291 | return ret; | |
3292 | ||
897e8c7c DP |
3293 | if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, QLCNIC_PCI_CAMQM_END)) { |
3294 | qlcnic_pci_camqm_read_2M(adapter, offset, &qmdata); | |
3295 | memcpy(buf, &qmdata, size); | |
3296 | } else { | |
3297 | data = QLCRD32(adapter, offset); | |
3298 | memcpy(buf, &data, size); | |
3299 | } | |
af19b491 AKS |
3300 | return size; |
3301 | } | |
3302 | ||
3303 | static ssize_t | |
2c3c8bea CW |
3304 | qlcnic_sysfs_write_crb(struct file *filp, struct kobject *kobj, |
3305 | struct bin_attribute *attr, | |
af19b491 AKS |
3306 | char *buf, loff_t offset, size_t size) |
3307 | { | |
3308 | struct device *dev = container_of(kobj, struct device, kobj); | |
3309 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3310 | u32 data; | |
897e8c7c | 3311 | u64 qmdata; |
af19b491 AKS |
3312 | int ret; |
3313 | ||
3314 | ret = qlcnic_sysfs_validate_crb(adapter, offset, size); | |
3315 | if (ret != 0) | |
3316 | return ret; | |
3317 | ||
897e8c7c DP |
3318 | if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, QLCNIC_PCI_CAMQM_END)) { |
3319 | memcpy(&qmdata, buf, size); | |
3320 | qlcnic_pci_camqm_write_2M(adapter, offset, qmdata); | |
3321 | } else { | |
3322 | memcpy(&data, buf, size); | |
3323 | QLCWR32(adapter, offset, data); | |
3324 | } | |
af19b491 AKS |
3325 | return size; |
3326 | } | |
3327 | ||
3328 | static int | |
3329 | qlcnic_sysfs_validate_mem(struct qlcnic_adapter *adapter, | |
3330 | loff_t offset, size_t size) | |
3331 | { | |
3332 | if (!(adapter->flags & QLCNIC_DIAG_ENABLED)) | |
3333 | return -EIO; | |
3334 | ||
3335 | if ((size != 8) || (offset & 0x7)) | |
3336 | return -EIO; | |
3337 | ||
3338 | return 0; | |
3339 | } | |
3340 | ||
3341 | static ssize_t | |
2c3c8bea CW |
3342 | qlcnic_sysfs_read_mem(struct file *filp, struct kobject *kobj, |
3343 | struct bin_attribute *attr, | |
af19b491 AKS |
3344 | char *buf, loff_t offset, size_t size) |
3345 | { | |
3346 | struct device *dev = container_of(kobj, struct device, kobj); | |
3347 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3348 | u64 data; | |
3349 | int ret; | |
3350 | ||
3351 | ret = qlcnic_sysfs_validate_mem(adapter, offset, size); | |
3352 | if (ret != 0) | |
3353 | return ret; | |
3354 | ||
3355 | if (qlcnic_pci_mem_read_2M(adapter, offset, &data)) | |
3356 | return -EIO; | |
3357 | ||
3358 | memcpy(buf, &data, size); | |
3359 | ||
3360 | return size; | |
3361 | } | |
3362 | ||
3363 | static ssize_t | |
2c3c8bea CW |
3364 | qlcnic_sysfs_write_mem(struct file *filp, struct kobject *kobj, |
3365 | struct bin_attribute *attr, | |
af19b491 AKS |
3366 | char *buf, loff_t offset, size_t size) |
3367 | { | |
3368 | struct device *dev = container_of(kobj, struct device, kobj); | |
3369 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3370 | u64 data; | |
3371 | int ret; | |
3372 | ||
3373 | ret = qlcnic_sysfs_validate_mem(adapter, offset, size); | |
3374 | if (ret != 0) | |
3375 | return ret; | |
3376 | ||
3377 | memcpy(&data, buf, size); | |
3378 | ||
3379 | if (qlcnic_pci_mem_write_2M(adapter, offset, data)) | |
3380 | return -EIO; | |
3381 | ||
3382 | return size; | |
3383 | } | |
3384 | ||
3385 | ||
3386 | static struct bin_attribute bin_attr_crb = { | |
3387 | .attr = {.name = "crb", .mode = (S_IRUGO | S_IWUSR)}, | |
3388 | .size = 0, | |
3389 | .read = qlcnic_sysfs_read_crb, | |
3390 | .write = qlcnic_sysfs_write_crb, | |
3391 | }; | |
3392 | ||
3393 | static struct bin_attribute bin_attr_mem = { | |
3394 | .attr = {.name = "mem", .mode = (S_IRUGO | S_IWUSR)}, | |
3395 | .size = 0, | |
3396 | .read = qlcnic_sysfs_read_mem, | |
3397 | .write = qlcnic_sysfs_write_mem, | |
3398 | }; | |
3399 | ||
cea8975e | 3400 | static int |
346fe763 RB |
3401 | validate_pm_config(struct qlcnic_adapter *adapter, |
3402 | struct qlcnic_pm_func_cfg *pm_cfg, int count) | |
3403 | { | |
3404 | ||
3405 | u8 src_pci_func, s_esw_id, d_esw_id; | |
3406 | u8 dest_pci_func; | |
3407 | int i; | |
3408 | ||
3409 | for (i = 0; i < count; i++) { | |
3410 | src_pci_func = pm_cfg[i].pci_func; | |
3411 | dest_pci_func = pm_cfg[i].dest_npar; | |
3412 | if (src_pci_func >= QLCNIC_MAX_PCI_FUNC | |
3413 | || dest_pci_func >= QLCNIC_MAX_PCI_FUNC) | |
3414 | return QL_STATUS_INVALID_PARAM; | |
3415 | ||
3416 | if (adapter->npars[src_pci_func].type != QLCNIC_TYPE_NIC) | |
3417 | return QL_STATUS_INVALID_PARAM; | |
3418 | ||
3419 | if (adapter->npars[dest_pci_func].type != QLCNIC_TYPE_NIC) | |
3420 | return QL_STATUS_INVALID_PARAM; | |
3421 | ||
346fe763 RB |
3422 | s_esw_id = adapter->npars[src_pci_func].phy_port; |
3423 | d_esw_id = adapter->npars[dest_pci_func].phy_port; | |
3424 | ||
3425 | if (s_esw_id != d_esw_id) | |
3426 | return QL_STATUS_INVALID_PARAM; | |
3427 | ||
3428 | } | |
3429 | return 0; | |
3430 | ||
3431 | } | |
3432 | ||
3433 | static ssize_t | |
3434 | qlcnic_sysfs_write_pm_config(struct file *filp, struct kobject *kobj, | |
3435 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
3436 | { | |
3437 | struct device *dev = container_of(kobj, struct device, kobj); | |
3438 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3439 | struct qlcnic_pm_func_cfg *pm_cfg; | |
3440 | u32 id, action, pci_func; | |
3441 | int count, rem, i, ret; | |
3442 | ||
3443 | count = size / sizeof(struct qlcnic_pm_func_cfg); | |
3444 | rem = size % sizeof(struct qlcnic_pm_func_cfg); | |
3445 | if (rem) | |
3446 | return QL_STATUS_INVALID_PARAM; | |
3447 | ||
3448 | pm_cfg = (struct qlcnic_pm_func_cfg *) buf; | |
3449 | ||
3450 | ret = validate_pm_config(adapter, pm_cfg, count); | |
3451 | if (ret) | |
3452 | return ret; | |
3453 | for (i = 0; i < count; i++) { | |
3454 | pci_func = pm_cfg[i].pci_func; | |
4e8acb01 | 3455 | action = !!pm_cfg[i].action; |
346fe763 RB |
3456 | id = adapter->npars[pci_func].phy_port; |
3457 | ret = qlcnic_config_port_mirroring(adapter, id, | |
3458 | action, pci_func); | |
3459 | if (ret) | |
3460 | return ret; | |
3461 | } | |
3462 | ||
3463 | for (i = 0; i < count; i++) { | |
3464 | pci_func = pm_cfg[i].pci_func; | |
3465 | id = adapter->npars[pci_func].phy_port; | |
4e8acb01 | 3466 | adapter->npars[pci_func].enable_pm = !!pm_cfg[i].action; |
346fe763 RB |
3467 | adapter->npars[pci_func].dest_npar = id; |
3468 | } | |
3469 | return size; | |
3470 | } | |
3471 | ||
3472 | static ssize_t | |
3473 | qlcnic_sysfs_read_pm_config(struct file *filp, struct kobject *kobj, | |
3474 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
3475 | { | |
3476 | struct device *dev = container_of(kobj, struct device, kobj); | |
3477 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3478 | struct qlcnic_pm_func_cfg pm_cfg[QLCNIC_MAX_PCI_FUNC]; | |
3479 | int i; | |
3480 | ||
3481 | if (size != sizeof(pm_cfg)) | |
3482 | return QL_STATUS_INVALID_PARAM; | |
3483 | ||
3484 | for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) { | |
3485 | if (adapter->npars[i].type != QLCNIC_TYPE_NIC) | |
3486 | continue; | |
3487 | pm_cfg[i].action = adapter->npars[i].enable_pm; | |
3488 | pm_cfg[i].dest_npar = 0; | |
3489 | pm_cfg[i].pci_func = i; | |
3490 | } | |
3491 | memcpy(buf, &pm_cfg, size); | |
3492 | ||
3493 | return size; | |
3494 | } | |
3495 | ||
cea8975e | 3496 | static int |
346fe763 | 3497 | validate_esw_config(struct qlcnic_adapter *adapter, |
4e8acb01 | 3498 | struct qlcnic_esw_func_cfg *esw_cfg, int count) |
346fe763 | 3499 | { |
7613c87b | 3500 | u32 op_mode; |
346fe763 RB |
3501 | u8 pci_func; |
3502 | int i; | |
7613c87b RB |
3503 | |
3504 | op_mode = readl(adapter->ahw.pci_base0 + QLCNIC_DRV_OP_MODE); | |
3505 | ||
346fe763 RB |
3506 | for (i = 0; i < count; i++) { |
3507 | pci_func = esw_cfg[i].pci_func; | |
3508 | if (pci_func >= QLCNIC_MAX_PCI_FUNC) | |
3509 | return QL_STATUS_INVALID_PARAM; | |
3510 | ||
4e8acb01 RB |
3511 | if (adapter->op_mode == QLCNIC_MGMT_FUNC) |
3512 | if (adapter->npars[pci_func].type != QLCNIC_TYPE_NIC) | |
3513 | return QL_STATUS_INVALID_PARAM; | |
346fe763 | 3514 | |
4e8acb01 RB |
3515 | switch (esw_cfg[i].op_mode) { |
3516 | case QLCNIC_PORT_DEFAULTS: | |
7613c87b | 3517 | if (QLC_DEV_GET_DRV(op_mode, pci_func) != |
7373373d | 3518 | QLCNIC_NON_PRIV_FUNC) { |
091056b2 AKS |
3519 | if (esw_cfg[i].mac_anti_spoof != 0) |
3520 | return QL_STATUS_INVALID_PARAM; | |
3521 | if (esw_cfg[i].mac_override != 1) | |
3522 | return QL_STATUS_INVALID_PARAM; | |
3523 | if (esw_cfg[i].promisc_mode != 1) | |
3524 | return QL_STATUS_INVALID_PARAM; | |
7373373d | 3525 | } |
4e8acb01 RB |
3526 | break; |
3527 | case QLCNIC_ADD_VLAN: | |
346fe763 RB |
3528 | if (!IS_VALID_VLAN(esw_cfg[i].vlan_id)) |
3529 | return QL_STATUS_INVALID_PARAM; | |
4e8acb01 RB |
3530 | if (!esw_cfg[i].op_type) |
3531 | return QL_STATUS_INVALID_PARAM; | |
3532 | break; | |
3533 | case QLCNIC_DEL_VLAN: | |
4e8acb01 RB |
3534 | if (!esw_cfg[i].op_type) |
3535 | return QL_STATUS_INVALID_PARAM; | |
3536 | break; | |
3537 | default: | |
346fe763 | 3538 | return QL_STATUS_INVALID_PARAM; |
4e8acb01 | 3539 | } |
346fe763 | 3540 | } |
346fe763 RB |
3541 | return 0; |
3542 | } | |
3543 | ||
3544 | static ssize_t | |
3545 | qlcnic_sysfs_write_esw_config(struct file *file, struct kobject *kobj, | |
3546 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
3547 | { | |
3548 | struct device *dev = container_of(kobj, struct device, kobj); | |
3549 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3550 | struct qlcnic_esw_func_cfg *esw_cfg; | |
4e8acb01 | 3551 | struct qlcnic_npar_info *npar; |
346fe763 | 3552 | int count, rem, i, ret; |
0325d69b | 3553 | u8 pci_func, op_mode = 0; |
346fe763 RB |
3554 | |
3555 | count = size / sizeof(struct qlcnic_esw_func_cfg); | |
3556 | rem = size % sizeof(struct qlcnic_esw_func_cfg); | |
3557 | if (rem) | |
3558 | return QL_STATUS_INVALID_PARAM; | |
3559 | ||
3560 | esw_cfg = (struct qlcnic_esw_func_cfg *) buf; | |
3561 | ret = validate_esw_config(adapter, esw_cfg, count); | |
3562 | if (ret) | |
3563 | return ret; | |
3564 | ||
3565 | for (i = 0; i < count; i++) { | |
0325d69b RB |
3566 | if (adapter->op_mode == QLCNIC_MGMT_FUNC) |
3567 | if (qlcnic_config_switch_port(adapter, &esw_cfg[i])) | |
3568 | return QL_STATUS_INVALID_PARAM; | |
e9a47700 RB |
3569 | |
3570 | if (adapter->ahw.pci_func != esw_cfg[i].pci_func) | |
3571 | continue; | |
3572 | ||
3573 | op_mode = esw_cfg[i].op_mode; | |
3574 | qlcnic_get_eswitch_port_config(adapter, &esw_cfg[i]); | |
3575 | esw_cfg[i].op_mode = op_mode; | |
3576 | esw_cfg[i].pci_func = adapter->ahw.pci_func; | |
3577 | ||
3578 | switch (esw_cfg[i].op_mode) { | |
3579 | case QLCNIC_PORT_DEFAULTS: | |
3580 | qlcnic_set_eswitch_port_features(adapter, &esw_cfg[i]); | |
3581 | break; | |
8cf61f89 AKS |
3582 | case QLCNIC_ADD_VLAN: |
3583 | qlcnic_set_vlan_config(adapter, &esw_cfg[i]); | |
3584 | break; | |
3585 | case QLCNIC_DEL_VLAN: | |
3586 | esw_cfg[i].vlan_id = 0; | |
3587 | qlcnic_set_vlan_config(adapter, &esw_cfg[i]); | |
3588 | break; | |
0325d69b | 3589 | } |
346fe763 RB |
3590 | } |
3591 | ||
0325d69b RB |
3592 | if (adapter->op_mode != QLCNIC_MGMT_FUNC) |
3593 | goto out; | |
e9a47700 | 3594 | |
346fe763 RB |
3595 | for (i = 0; i < count; i++) { |
3596 | pci_func = esw_cfg[i].pci_func; | |
4e8acb01 RB |
3597 | npar = &adapter->npars[pci_func]; |
3598 | switch (esw_cfg[i].op_mode) { | |
3599 | case QLCNIC_PORT_DEFAULTS: | |
3600 | npar->promisc_mode = esw_cfg[i].promisc_mode; | |
7373373d | 3601 | npar->mac_override = esw_cfg[i].mac_override; |
4e8acb01 RB |
3602 | npar->offload_flags = esw_cfg[i].offload_flags; |
3603 | npar->mac_anti_spoof = esw_cfg[i].mac_anti_spoof; | |
3604 | npar->discard_tagged = esw_cfg[i].discard_tagged; | |
3605 | break; | |
3606 | case QLCNIC_ADD_VLAN: | |
3607 | npar->pvid = esw_cfg[i].vlan_id; | |
3608 | break; | |
3609 | case QLCNIC_DEL_VLAN: | |
3610 | npar->pvid = 0; | |
3611 | break; | |
3612 | } | |
346fe763 | 3613 | } |
0325d69b | 3614 | out: |
346fe763 RB |
3615 | return size; |
3616 | } | |
3617 | ||
3618 | static ssize_t | |
3619 | qlcnic_sysfs_read_esw_config(struct file *file, struct kobject *kobj, | |
3620 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
3621 | { | |
3622 | struct device *dev = container_of(kobj, struct device, kobj); | |
3623 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3624 | struct qlcnic_esw_func_cfg esw_cfg[QLCNIC_MAX_PCI_FUNC]; | |
4e8acb01 | 3625 | u8 i; |
346fe763 RB |
3626 | |
3627 | if (size != sizeof(esw_cfg)) | |
3628 | return QL_STATUS_INVALID_PARAM; | |
3629 | ||
3630 | for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) { | |
3631 | if (adapter->npars[i].type != QLCNIC_TYPE_NIC) | |
3632 | continue; | |
4e8acb01 RB |
3633 | esw_cfg[i].pci_func = i; |
3634 | if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg[i])) | |
3635 | return QL_STATUS_INVALID_PARAM; | |
346fe763 RB |
3636 | } |
3637 | memcpy(buf, &esw_cfg, size); | |
3638 | ||
3639 | return size; | |
3640 | } | |
3641 | ||
cea8975e | 3642 | static int |
346fe763 RB |
3643 | validate_npar_config(struct qlcnic_adapter *adapter, |
3644 | struct qlcnic_npar_func_cfg *np_cfg, int count) | |
3645 | { | |
3646 | u8 pci_func, i; | |
3647 | ||
3648 | for (i = 0; i < count; i++) { | |
3649 | pci_func = np_cfg[i].pci_func; | |
3650 | if (pci_func >= QLCNIC_MAX_PCI_FUNC) | |
3651 | return QL_STATUS_INVALID_PARAM; | |
3652 | ||
3653 | if (adapter->npars[pci_func].type != QLCNIC_TYPE_NIC) | |
3654 | return QL_STATUS_INVALID_PARAM; | |
3655 | ||
d12b0d9a RB |
3656 | if (!IS_VALID_BW(np_cfg[i].min_bw) || |
3657 | !IS_VALID_BW(np_cfg[i].max_bw)) | |
346fe763 RB |
3658 | return QL_STATUS_INVALID_PARAM; |
3659 | } | |
3660 | return 0; | |
3661 | } | |
3662 | ||
3663 | static ssize_t | |
3664 | qlcnic_sysfs_write_npar_config(struct file *file, struct kobject *kobj, | |
3665 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
3666 | { | |
3667 | struct device *dev = container_of(kobj, struct device, kobj); | |
3668 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3669 | struct qlcnic_info nic_info; | |
3670 | struct qlcnic_npar_func_cfg *np_cfg; | |
3671 | int i, count, rem, ret; | |
3672 | u8 pci_func; | |
3673 | ||
3674 | count = size / sizeof(struct qlcnic_npar_func_cfg); | |
3675 | rem = size % sizeof(struct qlcnic_npar_func_cfg); | |
3676 | if (rem) | |
3677 | return QL_STATUS_INVALID_PARAM; | |
3678 | ||
3679 | np_cfg = (struct qlcnic_npar_func_cfg *) buf; | |
3680 | ret = validate_npar_config(adapter, np_cfg, count); | |
3681 | if (ret) | |
3682 | return ret; | |
3683 | ||
3684 | for (i = 0; i < count ; i++) { | |
3685 | pci_func = np_cfg[i].pci_func; | |
3686 | ret = qlcnic_get_nic_info(adapter, &nic_info, pci_func); | |
3687 | if (ret) | |
3688 | return ret; | |
3689 | nic_info.pci_func = pci_func; | |
3690 | nic_info.min_tx_bw = np_cfg[i].min_bw; | |
3691 | nic_info.max_tx_bw = np_cfg[i].max_bw; | |
3692 | ret = qlcnic_set_nic_info(adapter, &nic_info); | |
3693 | if (ret) | |
3694 | return ret; | |
cea8975e AC |
3695 | adapter->npars[i].min_bw = nic_info.min_tx_bw; |
3696 | adapter->npars[i].max_bw = nic_info.max_tx_bw; | |
346fe763 RB |
3697 | } |
3698 | ||
3699 | return size; | |
3700 | ||
3701 | } | |
3702 | static ssize_t | |
3703 | qlcnic_sysfs_read_npar_config(struct file *file, struct kobject *kobj, | |
3704 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
3705 | { | |
3706 | struct device *dev = container_of(kobj, struct device, kobj); | |
3707 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3708 | struct qlcnic_info nic_info; | |
3709 | struct qlcnic_npar_func_cfg np_cfg[QLCNIC_MAX_PCI_FUNC]; | |
3710 | int i, ret; | |
3711 | ||
3712 | if (size != sizeof(np_cfg)) | |
3713 | return QL_STATUS_INVALID_PARAM; | |
3714 | ||
3715 | for (i = 0; i < QLCNIC_MAX_PCI_FUNC ; i++) { | |
3716 | if (adapter->npars[i].type != QLCNIC_TYPE_NIC) | |
3717 | continue; | |
3718 | ret = qlcnic_get_nic_info(adapter, &nic_info, i); | |
3719 | if (ret) | |
3720 | return ret; | |
3721 | ||
3722 | np_cfg[i].pci_func = i; | |
a1c0c459 | 3723 | np_cfg[i].op_mode = (u8)nic_info.op_mode; |
346fe763 RB |
3724 | np_cfg[i].port_num = nic_info.phys_port; |
3725 | np_cfg[i].fw_capab = nic_info.capabilities; | |
3726 | np_cfg[i].min_bw = nic_info.min_tx_bw ; | |
3727 | np_cfg[i].max_bw = nic_info.max_tx_bw; | |
3728 | np_cfg[i].max_tx_queues = nic_info.max_tx_ques; | |
3729 | np_cfg[i].max_rx_queues = nic_info.max_rx_ques; | |
3730 | } | |
3731 | memcpy(buf, &np_cfg, size); | |
3732 | return size; | |
3733 | } | |
3734 | ||
b6021212 AKS |
3735 | static ssize_t |
3736 | qlcnic_sysfs_get_port_stats(struct file *file, struct kobject *kobj, | |
3737 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
3738 | { | |
3739 | struct device *dev = container_of(kobj, struct device, kobj); | |
3740 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3741 | struct qlcnic_esw_statistics port_stats; | |
3742 | int ret; | |
3743 | ||
3744 | if (size != sizeof(struct qlcnic_esw_statistics)) | |
3745 | return QL_STATUS_INVALID_PARAM; | |
3746 | ||
3747 | if (offset >= QLCNIC_MAX_PCI_FUNC) | |
3748 | return QL_STATUS_INVALID_PARAM; | |
3749 | ||
3750 | memset(&port_stats, 0, size); | |
3751 | ret = qlcnic_get_port_stats(adapter, offset, QLCNIC_QUERY_RX_COUNTER, | |
3752 | &port_stats.rx); | |
3753 | if (ret) | |
3754 | return ret; | |
3755 | ||
3756 | ret = qlcnic_get_port_stats(adapter, offset, QLCNIC_QUERY_TX_COUNTER, | |
3757 | &port_stats.tx); | |
3758 | if (ret) | |
3759 | return ret; | |
3760 | ||
3761 | memcpy(buf, &port_stats, size); | |
3762 | return size; | |
3763 | } | |
3764 | ||
3765 | static ssize_t | |
3766 | qlcnic_sysfs_get_esw_stats(struct file *file, struct kobject *kobj, | |
3767 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
3768 | { | |
3769 | struct device *dev = container_of(kobj, struct device, kobj); | |
3770 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3771 | struct qlcnic_esw_statistics esw_stats; | |
3772 | int ret; | |
3773 | ||
3774 | if (size != sizeof(struct qlcnic_esw_statistics)) | |
3775 | return QL_STATUS_INVALID_PARAM; | |
3776 | ||
3777 | if (offset >= QLCNIC_NIU_MAX_XG_PORTS) | |
3778 | return QL_STATUS_INVALID_PARAM; | |
3779 | ||
3780 | memset(&esw_stats, 0, size); | |
3781 | ret = qlcnic_get_eswitch_stats(adapter, offset, QLCNIC_QUERY_RX_COUNTER, | |
3782 | &esw_stats.rx); | |
3783 | if (ret) | |
3784 | return ret; | |
3785 | ||
3786 | ret = qlcnic_get_eswitch_stats(adapter, offset, QLCNIC_QUERY_TX_COUNTER, | |
3787 | &esw_stats.tx); | |
3788 | if (ret) | |
3789 | return ret; | |
3790 | ||
3791 | memcpy(buf, &esw_stats, size); | |
3792 | return size; | |
3793 | } | |
3794 | ||
3795 | static ssize_t | |
3796 | qlcnic_sysfs_clear_esw_stats(struct file *file, struct kobject *kobj, | |
3797 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
3798 | { | |
3799 | struct device *dev = container_of(kobj, struct device, kobj); | |
3800 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3801 | int ret; | |
3802 | ||
3803 | if (offset >= QLCNIC_NIU_MAX_XG_PORTS) | |
3804 | return QL_STATUS_INVALID_PARAM; | |
3805 | ||
3806 | ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_ESWITCH, offset, | |
3807 | QLCNIC_QUERY_RX_COUNTER); | |
3808 | if (ret) | |
3809 | return ret; | |
3810 | ||
3811 | ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_ESWITCH, offset, | |
3812 | QLCNIC_QUERY_TX_COUNTER); | |
3813 | if (ret) | |
3814 | return ret; | |
3815 | ||
3816 | return size; | |
3817 | } | |
3818 | ||
3819 | static ssize_t | |
3820 | qlcnic_sysfs_clear_port_stats(struct file *file, struct kobject *kobj, | |
3821 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
3822 | { | |
3823 | ||
3824 | struct device *dev = container_of(kobj, struct device, kobj); | |
3825 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3826 | int ret; | |
3827 | ||
3828 | if (offset >= QLCNIC_MAX_PCI_FUNC) | |
3829 | return QL_STATUS_INVALID_PARAM; | |
3830 | ||
3831 | ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_PORT, offset, | |
3832 | QLCNIC_QUERY_RX_COUNTER); | |
3833 | if (ret) | |
3834 | return ret; | |
3835 | ||
3836 | ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_PORT, offset, | |
3837 | QLCNIC_QUERY_TX_COUNTER); | |
3838 | if (ret) | |
3839 | return ret; | |
3840 | ||
3841 | return size; | |
3842 | } | |
3843 | ||
346fe763 RB |
3844 | static ssize_t |
3845 | qlcnic_sysfs_read_pci_config(struct file *file, struct kobject *kobj, | |
3846 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
3847 | { | |
3848 | struct device *dev = container_of(kobj, struct device, kobj); | |
3849 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3850 | struct qlcnic_pci_func_cfg pci_cfg[QLCNIC_MAX_PCI_FUNC]; | |
e88db3bd | 3851 | struct qlcnic_pci_info *pci_info; |
346fe763 RB |
3852 | int i, ret; |
3853 | ||
3854 | if (size != sizeof(pci_cfg)) | |
3855 | return QL_STATUS_INVALID_PARAM; | |
3856 | ||
e88db3bd DC |
3857 | pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL); |
3858 | if (!pci_info) | |
3859 | return -ENOMEM; | |
3860 | ||
346fe763 | 3861 | ret = qlcnic_get_pci_info(adapter, pci_info); |
e88db3bd DC |
3862 | if (ret) { |
3863 | kfree(pci_info); | |
346fe763 | 3864 | return ret; |
e88db3bd | 3865 | } |
346fe763 RB |
3866 | |
3867 | for (i = 0; i < QLCNIC_MAX_PCI_FUNC ; i++) { | |
3868 | pci_cfg[i].pci_func = pci_info[i].id; | |
3869 | pci_cfg[i].func_type = pci_info[i].type; | |
3870 | pci_cfg[i].port_num = pci_info[i].default_port; | |
3871 | pci_cfg[i].min_bw = pci_info[i].tx_min_bw; | |
3872 | pci_cfg[i].max_bw = pci_info[i].tx_max_bw; | |
3873 | memcpy(&pci_cfg[i].def_mac_addr, &pci_info[i].mac, ETH_ALEN); | |
3874 | } | |
3875 | memcpy(buf, &pci_cfg, size); | |
e88db3bd | 3876 | kfree(pci_info); |
346fe763 | 3877 | return size; |
346fe763 RB |
3878 | } |
3879 | static struct bin_attribute bin_attr_npar_config = { | |
3880 | .attr = {.name = "npar_config", .mode = (S_IRUGO | S_IWUSR)}, | |
3881 | .size = 0, | |
3882 | .read = qlcnic_sysfs_read_npar_config, | |
3883 | .write = qlcnic_sysfs_write_npar_config, | |
3884 | }; | |
3885 | ||
3886 | static struct bin_attribute bin_attr_pci_config = { | |
3887 | .attr = {.name = "pci_config", .mode = (S_IRUGO | S_IWUSR)}, | |
3888 | .size = 0, | |
3889 | .read = qlcnic_sysfs_read_pci_config, | |
3890 | .write = NULL, | |
3891 | }; | |
3892 | ||
b6021212 AKS |
3893 | static struct bin_attribute bin_attr_port_stats = { |
3894 | .attr = {.name = "port_stats", .mode = (S_IRUGO | S_IWUSR)}, | |
3895 | .size = 0, | |
3896 | .read = qlcnic_sysfs_get_port_stats, | |
3897 | .write = qlcnic_sysfs_clear_port_stats, | |
3898 | }; | |
3899 | ||
3900 | static struct bin_attribute bin_attr_esw_stats = { | |
3901 | .attr = {.name = "esw_stats", .mode = (S_IRUGO | S_IWUSR)}, | |
3902 | .size = 0, | |
3903 | .read = qlcnic_sysfs_get_esw_stats, | |
3904 | .write = qlcnic_sysfs_clear_esw_stats, | |
3905 | }; | |
3906 | ||
346fe763 RB |
3907 | static struct bin_attribute bin_attr_esw_config = { |
3908 | .attr = {.name = "esw_config", .mode = (S_IRUGO | S_IWUSR)}, | |
3909 | .size = 0, | |
3910 | .read = qlcnic_sysfs_read_esw_config, | |
3911 | .write = qlcnic_sysfs_write_esw_config, | |
3912 | }; | |
3913 | ||
3914 | static struct bin_attribute bin_attr_pm_config = { | |
3915 | .attr = {.name = "pm_config", .mode = (S_IRUGO | S_IWUSR)}, | |
3916 | .size = 0, | |
3917 | .read = qlcnic_sysfs_read_pm_config, | |
3918 | .write = qlcnic_sysfs_write_pm_config, | |
3919 | }; | |
3920 | ||
af19b491 AKS |
3921 | static void |
3922 | qlcnic_create_sysfs_entries(struct qlcnic_adapter *adapter) | |
3923 | { | |
3924 | struct device *dev = &adapter->pdev->dev; | |
3925 | ||
3926 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG) | |
3927 | if (device_create_file(dev, &dev_attr_bridged_mode)) | |
3928 | dev_warn(dev, | |
3929 | "failed to create bridged_mode sysfs entry\n"); | |
3930 | } | |
3931 | ||
3932 | static void | |
3933 | qlcnic_remove_sysfs_entries(struct qlcnic_adapter *adapter) | |
3934 | { | |
3935 | struct device *dev = &adapter->pdev->dev; | |
3936 | ||
3937 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG) | |
3938 | device_remove_file(dev, &dev_attr_bridged_mode); | |
3939 | } | |
3940 | ||
3941 | static void | |
3942 | qlcnic_create_diag_entries(struct qlcnic_adapter *adapter) | |
3943 | { | |
3944 | struct device *dev = &adapter->pdev->dev; | |
3945 | ||
b6021212 AKS |
3946 | if (device_create_bin_file(dev, &bin_attr_port_stats)) |
3947 | dev_info(dev, "failed to create port stats sysfs entry"); | |
3948 | ||
132ff00a AC |
3949 | if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC) |
3950 | return; | |
af19b491 AKS |
3951 | if (device_create_file(dev, &dev_attr_diag_mode)) |
3952 | dev_info(dev, "failed to create diag_mode sysfs entry\n"); | |
3953 | if (device_create_bin_file(dev, &bin_attr_crb)) | |
3954 | dev_info(dev, "failed to create crb sysfs entry\n"); | |
3955 | if (device_create_bin_file(dev, &bin_attr_mem)) | |
3956 | dev_info(dev, "failed to create mem sysfs entry\n"); | |
53478fef SC |
3957 | if (device_create_bin_file(dev, &bin_attr_pci_config)) |
3958 | dev_info(dev, "failed to create pci config sysfs entry"); | |
4e8acb01 RB |
3959 | if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) |
3960 | return; | |
3961 | if (device_create_bin_file(dev, &bin_attr_esw_config)) | |
3962 | dev_info(dev, "failed to create esw config sysfs entry"); | |
3963 | if (adapter->op_mode != QLCNIC_MGMT_FUNC) | |
346fe763 | 3964 | return; |
346fe763 RB |
3965 | if (device_create_bin_file(dev, &bin_attr_npar_config)) |
3966 | dev_info(dev, "failed to create npar config sysfs entry"); | |
346fe763 RB |
3967 | if (device_create_bin_file(dev, &bin_attr_pm_config)) |
3968 | dev_info(dev, "failed to create pm config sysfs entry"); | |
b6021212 AKS |
3969 | if (device_create_bin_file(dev, &bin_attr_esw_stats)) |
3970 | dev_info(dev, "failed to create eswitch stats sysfs entry"); | |
af19b491 AKS |
3971 | } |
3972 | ||
af19b491 AKS |
3973 | static void |
3974 | qlcnic_remove_diag_entries(struct qlcnic_adapter *adapter) | |
3975 | { | |
3976 | struct device *dev = &adapter->pdev->dev; | |
3977 | ||
b6021212 AKS |
3978 | device_remove_bin_file(dev, &bin_attr_port_stats); |
3979 | ||
132ff00a AC |
3980 | if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC) |
3981 | return; | |
af19b491 AKS |
3982 | device_remove_file(dev, &dev_attr_diag_mode); |
3983 | device_remove_bin_file(dev, &bin_attr_crb); | |
3984 | device_remove_bin_file(dev, &bin_attr_mem); | |
53478fef | 3985 | device_remove_bin_file(dev, &bin_attr_pci_config); |
4e8acb01 RB |
3986 | if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) |
3987 | return; | |
3988 | device_remove_bin_file(dev, &bin_attr_esw_config); | |
3989 | if (adapter->op_mode != QLCNIC_MGMT_FUNC) | |
346fe763 | 3990 | return; |
346fe763 | 3991 | device_remove_bin_file(dev, &bin_attr_npar_config); |
346fe763 | 3992 | device_remove_bin_file(dev, &bin_attr_pm_config); |
b6021212 | 3993 | device_remove_bin_file(dev, &bin_attr_esw_stats); |
af19b491 AKS |
3994 | } |
3995 | ||
3996 | #ifdef CONFIG_INET | |
3997 | ||
3998 | #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops) | |
3999 | ||
af19b491 | 4000 | static void |
aec1e845 AKS |
4001 | qlcnic_config_indev_addr(struct qlcnic_adapter *adapter, |
4002 | struct net_device *dev, unsigned long event) | |
af19b491 AKS |
4003 | { |
4004 | struct in_device *indev; | |
af19b491 | 4005 | |
af19b491 AKS |
4006 | indev = in_dev_get(dev); |
4007 | if (!indev) | |
4008 | return; | |
4009 | ||
4010 | for_ifa(indev) { | |
4011 | switch (event) { | |
4012 | case NETDEV_UP: | |
4013 | qlcnic_config_ipaddr(adapter, | |
4014 | ifa->ifa_address, QLCNIC_IP_UP); | |
4015 | break; | |
4016 | case NETDEV_DOWN: | |
4017 | qlcnic_config_ipaddr(adapter, | |
4018 | ifa->ifa_address, QLCNIC_IP_DOWN); | |
4019 | break; | |
4020 | default: | |
4021 | break; | |
4022 | } | |
4023 | } endfor_ifa(indev); | |
4024 | ||
4025 | in_dev_put(indev); | |
af19b491 AKS |
4026 | } |
4027 | ||
aec1e845 AKS |
4028 | static void |
4029 | qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event) | |
4030 | { | |
4031 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
4032 | struct net_device *dev; | |
4033 | u16 vid; | |
4034 | ||
4035 | qlcnic_config_indev_addr(adapter, netdev, event); | |
4036 | ||
4037 | if (!adapter->vlgrp) | |
4038 | return; | |
4039 | ||
b738127d | 4040 | for (vid = 0; vid < VLAN_N_VID; vid++) { |
aec1e845 AKS |
4041 | dev = vlan_group_get_device(adapter->vlgrp, vid); |
4042 | if (!dev) | |
4043 | continue; | |
4044 | ||
4045 | qlcnic_config_indev_addr(adapter, dev, event); | |
4046 | } | |
4047 | } | |
4048 | ||
af19b491 AKS |
4049 | static int qlcnic_netdev_event(struct notifier_block *this, |
4050 | unsigned long event, void *ptr) | |
4051 | { | |
4052 | struct qlcnic_adapter *adapter; | |
4053 | struct net_device *dev = (struct net_device *)ptr; | |
4054 | ||
4055 | recheck: | |
4056 | if (dev == NULL) | |
4057 | goto done; | |
4058 | ||
4059 | if (dev->priv_flags & IFF_802_1Q_VLAN) { | |
4060 | dev = vlan_dev_real_dev(dev); | |
4061 | goto recheck; | |
4062 | } | |
4063 | ||
4064 | if (!is_qlcnic_netdev(dev)) | |
4065 | goto done; | |
4066 | ||
4067 | adapter = netdev_priv(dev); | |
4068 | ||
4069 | if (!adapter) | |
4070 | goto done; | |
4071 | ||
8a15ad1f | 4072 | if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) |
af19b491 AKS |
4073 | goto done; |
4074 | ||
aec1e845 | 4075 | qlcnic_config_indev_addr(adapter, dev, event); |
af19b491 AKS |
4076 | done: |
4077 | return NOTIFY_DONE; | |
4078 | } | |
4079 | ||
4080 | static int | |
4081 | qlcnic_inetaddr_event(struct notifier_block *this, | |
4082 | unsigned long event, void *ptr) | |
4083 | { | |
4084 | struct qlcnic_adapter *adapter; | |
4085 | struct net_device *dev; | |
4086 | ||
4087 | struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; | |
4088 | ||
4089 | dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; | |
4090 | ||
4091 | recheck: | |
aec1e845 | 4092 | if (dev == NULL) |
af19b491 AKS |
4093 | goto done; |
4094 | ||
4095 | if (dev->priv_flags & IFF_802_1Q_VLAN) { | |
4096 | dev = vlan_dev_real_dev(dev); | |
4097 | goto recheck; | |
4098 | } | |
4099 | ||
4100 | if (!is_qlcnic_netdev(dev)) | |
4101 | goto done; | |
4102 | ||
4103 | adapter = netdev_priv(dev); | |
4104 | ||
251a84c9 | 4105 | if (!adapter) |
af19b491 AKS |
4106 | goto done; |
4107 | ||
8a15ad1f | 4108 | if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) |
af19b491 AKS |
4109 | goto done; |
4110 | ||
4111 | switch (event) { | |
4112 | case NETDEV_UP: | |
4113 | qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP); | |
4114 | break; | |
4115 | case NETDEV_DOWN: | |
4116 | qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN); | |
4117 | break; | |
4118 | default: | |
4119 | break; | |
4120 | } | |
4121 | ||
4122 | done: | |
4123 | return NOTIFY_DONE; | |
4124 | } | |
4125 | ||
4126 | static struct notifier_block qlcnic_netdev_cb = { | |
4127 | .notifier_call = qlcnic_netdev_event, | |
4128 | }; | |
4129 | ||
4130 | static struct notifier_block qlcnic_inetaddr_cb = { | |
4131 | .notifier_call = qlcnic_inetaddr_event, | |
4132 | }; | |
4133 | #else | |
4134 | static void | |
aec1e845 | 4135 | qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event) |
af19b491 AKS |
4136 | { } |
4137 | #endif | |
451724c8 SC |
4138 | static struct pci_error_handlers qlcnic_err_handler = { |
4139 | .error_detected = qlcnic_io_error_detected, | |
4140 | .slot_reset = qlcnic_io_slot_reset, | |
4141 | .resume = qlcnic_io_resume, | |
4142 | }; | |
af19b491 AKS |
4143 | |
4144 | static struct pci_driver qlcnic_driver = { | |
4145 | .name = qlcnic_driver_name, | |
4146 | .id_table = qlcnic_pci_tbl, | |
4147 | .probe = qlcnic_probe, | |
4148 | .remove = __devexit_p(qlcnic_remove), | |
4149 | #ifdef CONFIG_PM | |
4150 | .suspend = qlcnic_suspend, | |
4151 | .resume = qlcnic_resume, | |
4152 | #endif | |
451724c8 SC |
4153 | .shutdown = qlcnic_shutdown, |
4154 | .err_handler = &qlcnic_err_handler | |
4155 | ||
af19b491 AKS |
4156 | }; |
4157 | ||
4158 | static int __init qlcnic_init_module(void) | |
4159 | { | |
0cf3a14c | 4160 | int ret; |
af19b491 AKS |
4161 | |
4162 | printk(KERN_INFO "%s\n", qlcnic_driver_string); | |
4163 | ||
f7ec804a AKS |
4164 | qlcnic_wq = create_singlethread_workqueue("qlcnic"); |
4165 | if (qlcnic_wq == NULL) { | |
4166 | printk(KERN_ERR "qlcnic: cannot create workqueue\n"); | |
4167 | return -ENOMEM; | |
4168 | } | |
4169 | ||
af19b491 AKS |
4170 | #ifdef CONFIG_INET |
4171 | register_netdevice_notifier(&qlcnic_netdev_cb); | |
4172 | register_inetaddr_notifier(&qlcnic_inetaddr_cb); | |
4173 | #endif | |
4174 | ||
0cf3a14c AKS |
4175 | ret = pci_register_driver(&qlcnic_driver); |
4176 | if (ret) { | |
4177 | #ifdef CONFIG_INET | |
4178 | unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); | |
4179 | unregister_netdevice_notifier(&qlcnic_netdev_cb); | |
4180 | #endif | |
f7ec804a | 4181 | destroy_workqueue(qlcnic_wq); |
0cf3a14c | 4182 | } |
af19b491 | 4183 | |
0cf3a14c | 4184 | return ret; |
af19b491 AKS |
4185 | } |
4186 | ||
4187 | module_init(qlcnic_init_module); | |
4188 | ||
4189 | static void __exit qlcnic_exit_module(void) | |
4190 | { | |
4191 | ||
4192 | pci_unregister_driver(&qlcnic_driver); | |
4193 | ||
4194 | #ifdef CONFIG_INET | |
4195 | unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); | |
4196 | unregister_netdevice_notifier(&qlcnic_netdev_cb); | |
4197 | #endif | |
f7ec804a | 4198 | destroy_workqueue(qlcnic_wq); |
af19b491 AKS |
4199 | } |
4200 | ||
4201 | module_exit(qlcnic_exit_module); |