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 | 15 | #include <linux/dma-mapping.h> |
af19b491 AKS |
16 | #include <net/ip.h> |
17 | #include <linux/ipv6.h> | |
18 | #include <linux/inetdevice.h> | |
19 | #include <linux/sysfs.h> | |
451724c8 | 20 | #include <linux/aer.h> |
f94bc1e7 | 21 | #include <linux/log2.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 | 93 | static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter); |
9f26f547 | 94 | static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *); |
9f26f547 AC |
95 | static int qlcnicvf_config_led(struct qlcnic_adapter *, u32, u32); |
96 | static int qlcnicvf_config_bridged_mode(struct qlcnic_adapter *, u32); | |
97 | static int qlcnicvf_start_firmware(struct qlcnic_adapter *); | |
0325d69b RB |
98 | static void qlcnic_set_netdev_features(struct qlcnic_adapter *, |
99 | struct qlcnic_esw_func_cfg *); | |
b9796a14 AC |
100 | static void qlcnic_vlan_rx_add(struct net_device *, u16); |
101 | static void qlcnic_vlan_rx_del(struct net_device *, u16); | |
102 | ||
af19b491 AKS |
103 | /* PCI Device ID Table */ |
104 | #define ENTRY(device) \ | |
105 | {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \ | |
106 | .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0} | |
107 | ||
108 | #define PCI_DEVICE_ID_QLOGIC_QLE824X 0x8020 | |
109 | ||
6a902881 | 110 | static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = { |
af19b491 AKS |
111 | ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X), |
112 | {0,} | |
113 | }; | |
114 | ||
115 | MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl); | |
116 | ||
117 | ||
b1fc6d3c | 118 | inline void |
af19b491 AKS |
119 | qlcnic_update_cmd_producer(struct qlcnic_adapter *adapter, |
120 | struct qlcnic_host_tx_ring *tx_ring) | |
121 | { | |
122 | writel(tx_ring->producer, tx_ring->crb_cmd_producer); | |
af19b491 AKS |
123 | } |
124 | ||
125 | static const u32 msi_tgt_status[8] = { | |
126 | ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, | |
127 | ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3, | |
128 | ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5, | |
129 | ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7 | |
130 | }; | |
131 | ||
132 | static const | |
133 | struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG; | |
134 | ||
135 | static inline void qlcnic_disable_int(struct qlcnic_host_sds_ring *sds_ring) | |
136 | { | |
137 | writel(0, sds_ring->crb_intr_mask); | |
138 | } | |
139 | ||
140 | static inline void qlcnic_enable_int(struct qlcnic_host_sds_ring *sds_ring) | |
141 | { | |
142 | struct qlcnic_adapter *adapter = sds_ring->adapter; | |
143 | ||
144 | writel(0x1, sds_ring->crb_intr_mask); | |
145 | ||
146 | if (!QLCNIC_IS_MSI_FAMILY(adapter)) | |
147 | writel(0xfbff, adapter->tgt_mask_reg); | |
148 | } | |
149 | ||
150 | static int | |
151 | qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count) | |
152 | { | |
153 | int size = sizeof(struct qlcnic_host_sds_ring) * count; | |
154 | ||
155 | recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL); | |
156 | ||
807540ba | 157 | return recv_ctx->sds_rings == NULL; |
af19b491 AKS |
158 | } |
159 | ||
160 | static void | |
161 | qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx) | |
162 | { | |
163 | if (recv_ctx->sds_rings != NULL) | |
164 | kfree(recv_ctx->sds_rings); | |
165 | ||
166 | recv_ctx->sds_rings = NULL; | |
167 | } | |
168 | ||
169 | static int | |
170 | qlcnic_napi_add(struct qlcnic_adapter *adapter, struct net_device *netdev) | |
171 | { | |
172 | int ring; | |
173 | struct qlcnic_host_sds_ring *sds_ring; | |
b1fc6d3c | 174 | struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; |
af19b491 AKS |
175 | |
176 | if (qlcnic_alloc_sds_rings(recv_ctx, adapter->max_sds_rings)) | |
177 | return -ENOMEM; | |
178 | ||
179 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
180 | sds_ring = &recv_ctx->sds_rings[ring]; | |
8f891387 | 181 | |
182 | if (ring == adapter->max_sds_rings - 1) | |
183 | netif_napi_add(netdev, &sds_ring->napi, qlcnic_poll, | |
184 | QLCNIC_NETDEV_WEIGHT/adapter->max_sds_rings); | |
185 | else | |
186 | netif_napi_add(netdev, &sds_ring->napi, | |
187 | qlcnic_rx_poll, QLCNIC_NETDEV_WEIGHT*2); | |
af19b491 AKS |
188 | } |
189 | ||
190 | return 0; | |
191 | } | |
192 | ||
193 | static void | |
194 | qlcnic_napi_del(struct qlcnic_adapter *adapter) | |
195 | { | |
196 | int ring; | |
197 | struct qlcnic_host_sds_ring *sds_ring; | |
b1fc6d3c | 198 | struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; |
af19b491 AKS |
199 | |
200 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
201 | sds_ring = &recv_ctx->sds_rings[ring]; | |
202 | netif_napi_del(&sds_ring->napi); | |
203 | } | |
204 | ||
b1fc6d3c | 205 | qlcnic_free_sds_rings(adapter->recv_ctx); |
af19b491 AKS |
206 | } |
207 | ||
208 | static void | |
209 | qlcnic_napi_enable(struct qlcnic_adapter *adapter) | |
210 | { | |
211 | int ring; | |
212 | struct qlcnic_host_sds_ring *sds_ring; | |
b1fc6d3c | 213 | struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; |
af19b491 | 214 | |
780ab790 AKS |
215 | if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) |
216 | return; | |
217 | ||
af19b491 AKS |
218 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
219 | sds_ring = &recv_ctx->sds_rings[ring]; | |
220 | napi_enable(&sds_ring->napi); | |
221 | qlcnic_enable_int(sds_ring); | |
222 | } | |
223 | } | |
224 | ||
225 | static void | |
226 | qlcnic_napi_disable(struct qlcnic_adapter *adapter) | |
227 | { | |
228 | int ring; | |
229 | struct qlcnic_host_sds_ring *sds_ring; | |
b1fc6d3c | 230 | struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; |
af19b491 | 231 | |
780ab790 AKS |
232 | if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) |
233 | return; | |
234 | ||
af19b491 AKS |
235 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
236 | sds_ring = &recv_ctx->sds_rings[ring]; | |
237 | qlcnic_disable_int(sds_ring); | |
238 | napi_synchronize(&sds_ring->napi); | |
239 | napi_disable(&sds_ring->napi); | |
240 | } | |
241 | } | |
242 | ||
243 | static void qlcnic_clear_stats(struct qlcnic_adapter *adapter) | |
244 | { | |
245 | memset(&adapter->stats, 0, sizeof(adapter->stats)); | |
af19b491 AKS |
246 | } |
247 | ||
af19b491 AKS |
248 | static void qlcnic_set_msix_bit(struct pci_dev *pdev, int enable) |
249 | { | |
250 | u32 control; | |
251 | int pos; | |
252 | ||
253 | pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX); | |
254 | if (pos) { | |
255 | pci_read_config_dword(pdev, pos, &control); | |
256 | if (enable) | |
257 | control |= PCI_MSIX_FLAGS_ENABLE; | |
258 | else | |
259 | control = 0; | |
260 | pci_write_config_dword(pdev, pos, control); | |
261 | } | |
262 | } | |
263 | ||
264 | static void qlcnic_init_msix_entries(struct qlcnic_adapter *adapter, int count) | |
265 | { | |
266 | int i; | |
267 | ||
268 | for (i = 0; i < count; i++) | |
269 | adapter->msix_entries[i].entry = i; | |
270 | } | |
271 | ||
272 | static int | |
273 | qlcnic_read_mac_addr(struct qlcnic_adapter *adapter) | |
274 | { | |
2e9d722d | 275 | u8 mac_addr[ETH_ALEN]; |
af19b491 AKS |
276 | struct net_device *netdev = adapter->netdev; |
277 | struct pci_dev *pdev = adapter->pdev; | |
278 | ||
da48e6c3 | 279 | if (qlcnic_get_mac_address(adapter, mac_addr) != 0) |
af19b491 AKS |
280 | return -EIO; |
281 | ||
2e9d722d | 282 | memcpy(netdev->dev_addr, mac_addr, ETH_ALEN); |
af19b491 AKS |
283 | memcpy(netdev->perm_addr, netdev->dev_addr, netdev->addr_len); |
284 | memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len); | |
285 | ||
286 | /* set station address */ | |
287 | ||
288 | if (!is_valid_ether_addr(netdev->perm_addr)) | |
289 | dev_warn(&pdev->dev, "Bad MAC address %pM.\n", | |
290 | netdev->dev_addr); | |
291 | ||
292 | return 0; | |
293 | } | |
294 | ||
295 | static int qlcnic_set_mac(struct net_device *netdev, void *p) | |
296 | { | |
297 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
298 | struct sockaddr *addr = p; | |
299 | ||
7373373d RB |
300 | if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED)) |
301 | return -EOPNOTSUPP; | |
302 | ||
af19b491 AKS |
303 | if (!is_valid_ether_addr(addr->sa_data)) |
304 | return -EINVAL; | |
305 | ||
8a15ad1f | 306 | if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { |
af19b491 AKS |
307 | netif_device_detach(netdev); |
308 | qlcnic_napi_disable(adapter); | |
309 | } | |
310 | ||
311 | memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len); | |
312 | memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); | |
313 | qlcnic_set_multi(adapter->netdev); | |
314 | ||
8a15ad1f | 315 | if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { |
af19b491 AKS |
316 | netif_device_attach(netdev); |
317 | qlcnic_napi_enable(adapter); | |
318 | } | |
319 | return 0; | |
320 | } | |
321 | ||
322 | static const struct net_device_ops qlcnic_netdev_ops = { | |
323 | .ndo_open = qlcnic_open, | |
324 | .ndo_stop = qlcnic_close, | |
325 | .ndo_start_xmit = qlcnic_xmit_frame, | |
326 | .ndo_get_stats = qlcnic_get_stats, | |
327 | .ndo_validate_addr = eth_validate_addr, | |
afc4b13d | 328 | .ndo_set_rx_mode = qlcnic_set_multi, |
af19b491 AKS |
329 | .ndo_set_mac_address = qlcnic_set_mac, |
330 | .ndo_change_mtu = qlcnic_change_mtu, | |
135d84a9 MM |
331 | .ndo_fix_features = qlcnic_fix_features, |
332 | .ndo_set_features = qlcnic_set_features, | |
af19b491 | 333 | .ndo_tx_timeout = qlcnic_tx_timeout, |
b9796a14 AC |
334 | .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add, |
335 | .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del, | |
af19b491 AKS |
336 | #ifdef CONFIG_NET_POLL_CONTROLLER |
337 | .ndo_poll_controller = qlcnic_poll_controller, | |
338 | #endif | |
339 | }; | |
340 | ||
2e9d722d | 341 | static struct qlcnic_nic_template qlcnic_ops = { |
2e9d722d AC |
342 | .config_bridged_mode = qlcnic_config_bridged_mode, |
343 | .config_led = qlcnic_config_led, | |
9f26f547 AC |
344 | .start_firmware = qlcnic_start_firmware |
345 | }; | |
346 | ||
347 | static struct qlcnic_nic_template qlcnic_vf_ops = { | |
9f26f547 AC |
348 | .config_bridged_mode = qlcnicvf_config_bridged_mode, |
349 | .config_led = qlcnicvf_config_led, | |
9f26f547 | 350 | .start_firmware = qlcnicvf_start_firmware |
2e9d722d AC |
351 | }; |
352 | ||
f94bc1e7 | 353 | static int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix) |
af19b491 | 354 | { |
af19b491 | 355 | struct pci_dev *pdev = adapter->pdev; |
f94bc1e7 | 356 | int err = -1; |
af19b491 AKS |
357 | |
358 | adapter->max_sds_rings = 1; | |
af19b491 | 359 | adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED); |
af19b491 AKS |
360 | qlcnic_set_msix_bit(pdev, 0); |
361 | ||
362 | if (adapter->msix_supported) { | |
f94bc1e7 | 363 | enable_msix: |
af19b491 AKS |
364 | qlcnic_init_msix_entries(adapter, num_msix); |
365 | err = pci_enable_msix(pdev, adapter->msix_entries, num_msix); | |
366 | if (err == 0) { | |
367 | adapter->flags |= QLCNIC_MSIX_ENABLED; | |
368 | qlcnic_set_msix_bit(pdev, 1); | |
369 | ||
b1fc6d3c | 370 | adapter->max_sds_rings = num_msix; |
af19b491 AKS |
371 | |
372 | dev_info(&pdev->dev, "using msi-x interrupts\n"); | |
f94bc1e7 | 373 | return err; |
af19b491 | 374 | } |
f94bc1e7 SC |
375 | if (err > 0) { |
376 | num_msix = rounddown_pow_of_two(err); | |
377 | if (num_msix) | |
378 | goto enable_msix; | |
379 | } | |
380 | } | |
381 | return err; | |
382 | } | |
af19b491 | 383 | |
af19b491 | 384 | |
f94bc1e7 SC |
385 | static void qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter) |
386 | { | |
387 | const struct qlcnic_legacy_intr_set *legacy_intrp; | |
388 | struct pci_dev *pdev = adapter->pdev; | |
af19b491 AKS |
389 | |
390 | if (use_msi && !pci_enable_msi(pdev)) { | |
391 | adapter->flags |= QLCNIC_MSI_ENABLED; | |
392 | adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter, | |
b1fc6d3c | 393 | msi_tgt_status[adapter->ahw->pci_func]); |
af19b491 AKS |
394 | dev_info(&pdev->dev, "using msi interrupts\n"); |
395 | adapter->msix_entries[0].vector = pdev->irq; | |
396 | return; | |
397 | } | |
398 | ||
f94bc1e7 SC |
399 | legacy_intrp = &legacy_intr[adapter->ahw->pci_func]; |
400 | ||
401 | adapter->int_vec_bit = legacy_intrp->int_vec_bit; | |
402 | adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter, | |
403 | legacy_intrp->tgt_status_reg); | |
404 | adapter->tgt_mask_reg = qlcnic_get_ioaddr(adapter, | |
405 | legacy_intrp->tgt_mask_reg); | |
406 | adapter->isr_int_vec = qlcnic_get_ioaddr(adapter, ISR_INT_VECTOR); | |
407 | ||
408 | adapter->crb_int_state_reg = qlcnic_get_ioaddr(adapter, | |
409 | ISR_INT_STATE_REG); | |
af19b491 AKS |
410 | dev_info(&pdev->dev, "using legacy interrupts\n"); |
411 | adapter->msix_entries[0].vector = pdev->irq; | |
412 | } | |
413 | ||
f94bc1e7 SC |
414 | static void |
415 | qlcnic_setup_intr(struct qlcnic_adapter *adapter) | |
416 | { | |
417 | int num_msix; | |
418 | ||
419 | if (adapter->msix_supported) { | |
5f6ec29a SC |
420 | num_msix = rounddown_pow_of_two(min_t(int, num_online_cpus(), |
421 | QLCNIC_DEF_NUM_STS_DESC_RINGS)); | |
f94bc1e7 SC |
422 | } else |
423 | num_msix = 1; | |
424 | ||
425 | if (!qlcnic_enable_msix(adapter, num_msix)) | |
426 | return; | |
427 | ||
428 | qlcnic_enable_msi_legacy(adapter); | |
429 | } | |
430 | ||
af19b491 AKS |
431 | static void |
432 | qlcnic_teardown_intr(struct qlcnic_adapter *adapter) | |
433 | { | |
434 | if (adapter->flags & QLCNIC_MSIX_ENABLED) | |
435 | pci_disable_msix(adapter->pdev); | |
436 | if (adapter->flags & QLCNIC_MSI_ENABLED) | |
437 | pci_disable_msi(adapter->pdev); | |
438 | } | |
439 | ||
440 | static void | |
441 | qlcnic_cleanup_pci_map(struct qlcnic_adapter *adapter) | |
442 | { | |
b1fc6d3c AC |
443 | if (adapter->ahw->pci_base0 != NULL) |
444 | iounmap(adapter->ahw->pci_base0); | |
af19b491 AKS |
445 | } |
446 | ||
346fe763 RB |
447 | static int |
448 | qlcnic_init_pci_info(struct qlcnic_adapter *adapter) | |
449 | { | |
e88db3bd | 450 | struct qlcnic_pci_info *pci_info; |
900853a4 | 451 | int i, ret = 0; |
346fe763 RB |
452 | u8 pfn; |
453 | ||
e88db3bd DC |
454 | pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL); |
455 | if (!pci_info) | |
456 | return -ENOMEM; | |
457 | ||
ca315ac2 | 458 | adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) * |
346fe763 | 459 | QLCNIC_MAX_PCI_FUNC, GFP_KERNEL); |
e88db3bd | 460 | if (!adapter->npars) { |
900853a4 | 461 | ret = -ENOMEM; |
e88db3bd DC |
462 | goto err_pci_info; |
463 | } | |
346fe763 | 464 | |
ca315ac2 | 465 | adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) * |
346fe763 RB |
466 | QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL); |
467 | if (!adapter->eswitch) { | |
900853a4 | 468 | ret = -ENOMEM; |
ca315ac2 | 469 | goto err_npars; |
346fe763 RB |
470 | } |
471 | ||
472 | ret = qlcnic_get_pci_info(adapter, pci_info); | |
ca315ac2 DC |
473 | if (ret) |
474 | goto err_eswitch; | |
346fe763 | 475 | |
ca315ac2 DC |
476 | for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) { |
477 | pfn = pci_info[i].id; | |
f848d6dd SC |
478 | if (pfn > QLCNIC_MAX_PCI_FUNC) { |
479 | ret = QL_STATUS_INVALID_PARAM; | |
480 | goto err_eswitch; | |
481 | } | |
a1c0c459 SC |
482 | adapter->npars[pfn].active = (u8)pci_info[i].active; |
483 | adapter->npars[pfn].type = (u8)pci_info[i].type; | |
484 | adapter->npars[pfn].phy_port = (u8)pci_info[i].default_port; | |
ca315ac2 DC |
485 | adapter->npars[pfn].min_bw = pci_info[i].tx_min_bw; |
486 | adapter->npars[pfn].max_bw = pci_info[i].tx_max_bw; | |
346fe763 RB |
487 | } |
488 | ||
ca315ac2 DC |
489 | for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) |
490 | adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE; | |
491 | ||
e88db3bd | 492 | kfree(pci_info); |
ca315ac2 DC |
493 | return 0; |
494 | ||
495 | err_eswitch: | |
346fe763 RB |
496 | kfree(adapter->eswitch); |
497 | adapter->eswitch = NULL; | |
ca315ac2 | 498 | err_npars: |
346fe763 | 499 | kfree(adapter->npars); |
ca315ac2 | 500 | adapter->npars = NULL; |
e88db3bd DC |
501 | err_pci_info: |
502 | kfree(pci_info); | |
346fe763 RB |
503 | |
504 | return ret; | |
505 | } | |
506 | ||
2e9d722d AC |
507 | static int |
508 | qlcnic_set_function_modes(struct qlcnic_adapter *adapter) | |
509 | { | |
510 | u8 id; | |
511 | u32 ref_count; | |
512 | int i, ret = 1; | |
513 | u32 data = QLCNIC_MGMT_FUNC; | |
b1fc6d3c | 514 | void __iomem *priv_op = adapter->ahw->pci_base0 + QLCNIC_DRV_OP_MODE; |
2e9d722d AC |
515 | |
516 | /* If other drivers are not in use set their privilege level */ | |
31018e06 | 517 | ref_count = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE); |
2e9d722d AC |
518 | ret = qlcnic_api_lock(adapter); |
519 | if (ret) | |
520 | goto err_lock; | |
2e9d722d | 521 | |
0e33c664 AC |
522 | if (qlcnic_config_npars) { |
523 | for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) { | |
346fe763 | 524 | id = i; |
0e33c664 | 525 | if (adapter->npars[i].type != QLCNIC_TYPE_NIC || |
b1fc6d3c | 526 | id == adapter->ahw->pci_func) |
0e33c664 AC |
527 | continue; |
528 | data |= (qlcnic_config_npars & | |
529 | QLC_DEV_SET_DRV(0xf, id)); | |
530 | } | |
531 | } else { | |
532 | data = readl(priv_op); | |
b1fc6d3c | 533 | data = (data & ~QLC_DEV_SET_DRV(0xf, adapter->ahw->pci_func)) | |
0e33c664 | 534 | (QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, |
b1fc6d3c | 535 | adapter->ahw->pci_func)); |
2e9d722d AC |
536 | } |
537 | writel(data, priv_op); | |
2e9d722d AC |
538 | qlcnic_api_unlock(adapter); |
539 | err_lock: | |
540 | return ret; | |
541 | } | |
542 | ||
0866d96d AC |
543 | static void |
544 | qlcnic_check_vf(struct qlcnic_adapter *adapter) | |
2e9d722d AC |
545 | { |
546 | void __iomem *msix_base_addr; | |
547 | void __iomem *priv_op; | |
548 | u32 func; | |
549 | u32 msix_base; | |
550 | u32 op_mode, priv_level; | |
551 | ||
552 | /* Determine FW API version */ | |
b1fc6d3c AC |
553 | adapter->fw_hal_version = readl(adapter->ahw->pci_base0 + |
554 | QLCNIC_FW_API); | |
2e9d722d AC |
555 | |
556 | /* Find PCI function number */ | |
557 | pci_read_config_dword(adapter->pdev, QLCNIC_MSIX_TABLE_OFFSET, &func); | |
b1fc6d3c | 558 | msix_base_addr = adapter->ahw->pci_base0 + QLCNIC_MSIX_BASE; |
2e9d722d AC |
559 | msix_base = readl(msix_base_addr); |
560 | func = (func - msix_base)/QLCNIC_MSIX_TBL_PGSIZE; | |
b1fc6d3c | 561 | adapter->ahw->pci_func = func; |
2e9d722d AC |
562 | |
563 | /* Determine function privilege level */ | |
b1fc6d3c | 564 | priv_op = adapter->ahw->pci_base0 + QLCNIC_DRV_OP_MODE; |
2e9d722d | 565 | op_mode = readl(priv_op); |
0e33c664 | 566 | if (op_mode == QLC_DEV_DRV_DEFAULT) |
2e9d722d | 567 | priv_level = QLCNIC_MGMT_FUNC; |
0e33c664 | 568 | else |
b1fc6d3c | 569 | priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); |
2e9d722d | 570 | |
0866d96d | 571 | if (priv_level == QLCNIC_NON_PRIV_FUNC) { |
9f26f547 AC |
572 | adapter->op_mode = QLCNIC_NON_PRIV_FUNC; |
573 | dev_info(&adapter->pdev->dev, | |
574 | "HAL Version: %d Non Privileged function\n", | |
575 | adapter->fw_hal_version); | |
576 | adapter->nic_ops = &qlcnic_vf_ops; | |
0866d96d AC |
577 | } else |
578 | adapter->nic_ops = &qlcnic_ops; | |
2e9d722d AC |
579 | } |
580 | ||
af19b491 AKS |
581 | static int |
582 | qlcnic_setup_pci_map(struct qlcnic_adapter *adapter) | |
583 | { | |
584 | void __iomem *mem_ptr0 = NULL; | |
585 | resource_size_t mem_base; | |
586 | unsigned long mem_len, pci_len0 = 0; | |
587 | ||
588 | struct pci_dev *pdev = adapter->pdev; | |
af19b491 | 589 | |
af19b491 AKS |
590 | /* remap phys address */ |
591 | mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */ | |
592 | mem_len = pci_resource_len(pdev, 0); | |
593 | ||
594 | if (mem_len == QLCNIC_PCI_2MB_SIZE) { | |
595 | ||
596 | mem_ptr0 = pci_ioremap_bar(pdev, 0); | |
597 | if (mem_ptr0 == NULL) { | |
598 | dev_err(&pdev->dev, "failed to map PCI bar 0\n"); | |
599 | return -EIO; | |
600 | } | |
601 | pci_len0 = mem_len; | |
602 | } else { | |
603 | return -EIO; | |
604 | } | |
605 | ||
606 | dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20)); | |
607 | ||
b1fc6d3c AC |
608 | adapter->ahw->pci_base0 = mem_ptr0; |
609 | adapter->ahw->pci_len0 = pci_len0; | |
af19b491 | 610 | |
0866d96d | 611 | qlcnic_check_vf(adapter); |
2e9d722d | 612 | |
b1fc6d3c AC |
613 | adapter->ahw->ocm_win_crb = qlcnic_get_ioaddr(adapter, |
614 | QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG( | |
615 | adapter->ahw->pci_func))); | |
af19b491 AKS |
616 | |
617 | return 0; | |
618 | } | |
619 | ||
620 | static void get_brd_name(struct qlcnic_adapter *adapter, char *name) | |
621 | { | |
622 | struct pci_dev *pdev = adapter->pdev; | |
623 | int i, found = 0; | |
624 | ||
625 | for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) { | |
626 | if (qlcnic_boards[i].vendor == pdev->vendor && | |
627 | qlcnic_boards[i].device == pdev->device && | |
628 | qlcnic_boards[i].sub_vendor == pdev->subsystem_vendor && | |
629 | qlcnic_boards[i].sub_device == pdev->subsystem_device) { | |
02f6e46f SC |
630 | sprintf(name, "%pM: %s" , |
631 | adapter->mac_addr, | |
632 | qlcnic_boards[i].short_name); | |
af19b491 AKS |
633 | found = 1; |
634 | break; | |
635 | } | |
636 | ||
637 | } | |
638 | ||
639 | if (!found) | |
7f9a0c34 | 640 | sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr); |
af19b491 AKS |
641 | } |
642 | ||
643 | static void | |
644 | qlcnic_check_options(struct qlcnic_adapter *adapter) | |
645 | { | |
031a4a26 | 646 | u32 fw_major, fw_minor, fw_build, prev_fw_version; |
af19b491 | 647 | struct pci_dev *pdev = adapter->pdev; |
031a4a26 SV |
648 | struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump; |
649 | ||
650 | prev_fw_version = adapter->fw_version; | |
af19b491 AKS |
651 | |
652 | fw_major = QLCRD32(adapter, QLCNIC_FW_VERSION_MAJOR); | |
653 | fw_minor = QLCRD32(adapter, QLCNIC_FW_VERSION_MINOR); | |
654 | fw_build = QLCRD32(adapter, QLCNIC_FW_VERSION_SUB); | |
655 | ||
656 | adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build); | |
657 | ||
031a4a26 SV |
658 | if (adapter->op_mode != QLCNIC_NON_PRIV_FUNC) { |
659 | if (fw_dump->tmpl_hdr == NULL || | |
660 | adapter->fw_version > prev_fw_version) { | |
661 | if (fw_dump->tmpl_hdr) | |
662 | vfree(fw_dump->tmpl_hdr); | |
663 | if (!qlcnic_fw_cmd_get_minidump_temp(adapter)) | |
664 | dev_info(&pdev->dev, | |
665 | "Supports FW dump capability\n"); | |
666 | } | |
667 | } | |
668 | ||
251a84c9 AKS |
669 | dev_info(&pdev->dev, "firmware v%d.%d.%d\n", |
670 | fw_major, fw_minor, fw_build); | |
b1fc6d3c | 671 | if (adapter->ahw->port_type == QLCNIC_XGBE) { |
90d19005 SC |
672 | if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { |
673 | adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF; | |
674 | adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF; | |
675 | } else { | |
676 | adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G; | |
677 | adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G; | |
678 | } | |
679 | ||
af19b491 | 680 | adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; |
90d19005 SC |
681 | adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; |
682 | ||
b1fc6d3c | 683 | } else if (adapter->ahw->port_type == QLCNIC_GBE) { |
af19b491 AKS |
684 | adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; |
685 | adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; | |
90d19005 SC |
686 | adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; |
687 | adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G; | |
af19b491 AKS |
688 | } |
689 | ||
690 | adapter->msix_supported = !!use_msi_x; | |
af19b491 AKS |
691 | |
692 | adapter->num_txd = MAX_CMD_DESCRIPTORS; | |
693 | ||
251b036a | 694 | adapter->max_rds_rings = MAX_RDS_RINGS; |
af19b491 AKS |
695 | } |
696 | ||
174240a8 RB |
697 | static int |
698 | qlcnic_initialize_nic(struct qlcnic_adapter *adapter) | |
699 | { | |
700 | int err; | |
701 | struct qlcnic_info nic_info; | |
702 | ||
b1fc6d3c | 703 | err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func); |
174240a8 RB |
704 | if (err) |
705 | return err; | |
706 | ||
a1c0c459 | 707 | adapter->physical_port = (u8)nic_info.phys_port; |
174240a8 RB |
708 | adapter->switch_mode = nic_info.switch_mode; |
709 | adapter->max_tx_ques = nic_info.max_tx_ques; | |
710 | adapter->max_rx_ques = nic_info.max_rx_ques; | |
711 | adapter->capabilities = nic_info.capabilities; | |
712 | adapter->max_mac_filters = nic_info.max_mac_filters; | |
713 | adapter->max_mtu = nic_info.max_mtu; | |
714 | ||
715 | if (adapter->capabilities & BIT_6) | |
716 | adapter->flags |= QLCNIC_ESWITCH_ENABLED; | |
717 | else | |
718 | adapter->flags &= ~QLCNIC_ESWITCH_ENABLED; | |
719 | ||
720 | return err; | |
721 | } | |
722 | ||
8cf61f89 AKS |
723 | static void |
724 | qlcnic_set_vlan_config(struct qlcnic_adapter *adapter, | |
725 | struct qlcnic_esw_func_cfg *esw_cfg) | |
726 | { | |
727 | if (esw_cfg->discard_tagged) | |
728 | adapter->flags &= ~QLCNIC_TAGGING_ENABLED; | |
729 | else | |
730 | adapter->flags |= QLCNIC_TAGGING_ENABLED; | |
731 | ||
732 | if (esw_cfg->vlan_id) | |
733 | adapter->pvid = esw_cfg->vlan_id; | |
734 | else | |
735 | adapter->pvid = 0; | |
736 | } | |
737 | ||
b9796a14 AC |
738 | static void |
739 | qlcnic_vlan_rx_add(struct net_device *netdev, u16 vid) | |
740 | { | |
741 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
742 | set_bit(vid, adapter->vlans); | |
743 | } | |
744 | ||
745 | static void | |
746 | qlcnic_vlan_rx_del(struct net_device *netdev, u16 vid) | |
747 | { | |
748 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
749 | ||
750 | qlcnic_restore_indev_addr(netdev, NETDEV_DOWN); | |
751 | clear_bit(vid, adapter->vlans); | |
752 | } | |
753 | ||
0325d69b RB |
754 | static void |
755 | qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter, | |
756 | struct qlcnic_esw_func_cfg *esw_cfg) | |
757 | { | |
ee07c1a7 RB |
758 | adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED | |
759 | QLCNIC_PROMISC_DISABLED); | |
7613c87b RB |
760 | |
761 | if (esw_cfg->mac_anti_spoof) | |
762 | adapter->flags |= QLCNIC_MACSPOOF; | |
fe4d434d | 763 | |
7373373d RB |
764 | if (!esw_cfg->mac_override) |
765 | adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED; | |
766 | ||
ee07c1a7 RB |
767 | if (!esw_cfg->promisc_mode) |
768 | adapter->flags |= QLCNIC_PROMISC_DISABLED; | |
769 | ||
0325d69b RB |
770 | qlcnic_set_netdev_features(adapter, esw_cfg); |
771 | } | |
772 | ||
773 | static int | |
774 | qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter) | |
775 | { | |
776 | struct qlcnic_esw_func_cfg esw_cfg; | |
777 | ||
778 | if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) | |
779 | return 0; | |
780 | ||
b1fc6d3c | 781 | esw_cfg.pci_func = adapter->ahw->pci_func; |
0325d69b RB |
782 | if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg)) |
783 | return -EIO; | |
8cf61f89 | 784 | qlcnic_set_vlan_config(adapter, &esw_cfg); |
0325d69b RB |
785 | qlcnic_set_eswitch_port_features(adapter, &esw_cfg); |
786 | ||
787 | return 0; | |
788 | } | |
789 | ||
790 | static void | |
791 | qlcnic_set_netdev_features(struct qlcnic_adapter *adapter, | |
792 | struct qlcnic_esw_func_cfg *esw_cfg) | |
793 | { | |
794 | struct net_device *netdev = adapter->netdev; | |
795 | unsigned long features, vlan_features; | |
796 | ||
135d84a9 | 797 | features = (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM | |
0325d69b RB |
798 | NETIF_F_IPV6_CSUM | NETIF_F_GRO); |
799 | vlan_features = (NETIF_F_SG | NETIF_F_IP_CSUM | | |
b9796a14 | 800 | NETIF_F_IPV6_CSUM | NETIF_F_HW_VLAN_FILTER); |
0325d69b RB |
801 | |
802 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_TSO) { | |
803 | features |= (NETIF_F_TSO | NETIF_F_TSO6); | |
804 | vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6); | |
805 | } | |
b56421d0 RB |
806 | |
807 | if (netdev->features & NETIF_F_LRO) | |
0325d69b RB |
808 | features |= NETIF_F_LRO; |
809 | ||
810 | if (esw_cfg->offload_flags & BIT_0) { | |
811 | netdev->features |= features; | |
0325d69b RB |
812 | if (!(esw_cfg->offload_flags & BIT_1)) |
813 | netdev->features &= ~NETIF_F_TSO; | |
814 | if (!(esw_cfg->offload_flags & BIT_2)) | |
815 | netdev->features &= ~NETIF_F_TSO6; | |
816 | } else { | |
817 | netdev->features &= ~features; | |
0325d69b RB |
818 | } |
819 | ||
820 | netdev->vlan_features = (features & vlan_features); | |
821 | } | |
822 | ||
0866d96d AC |
823 | static int |
824 | qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter) | |
825 | { | |
826 | void __iomem *priv_op; | |
827 | u32 op_mode, priv_level; | |
828 | int err = 0; | |
829 | ||
174240a8 RB |
830 | err = qlcnic_initialize_nic(adapter); |
831 | if (err) | |
832 | return err; | |
833 | ||
0866d96d AC |
834 | if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED) |
835 | return 0; | |
836 | ||
b1fc6d3c | 837 | priv_op = adapter->ahw->pci_base0 + QLCNIC_DRV_OP_MODE; |
0866d96d | 838 | op_mode = readl(priv_op); |
b1fc6d3c | 839 | priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); |
0866d96d AC |
840 | |
841 | if (op_mode == QLC_DEV_DRV_DEFAULT) | |
842 | priv_level = QLCNIC_MGMT_FUNC; | |
843 | else | |
b1fc6d3c | 844 | priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); |
0866d96d | 845 | |
174240a8 | 846 | if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { |
0866d96d AC |
847 | if (priv_level == QLCNIC_MGMT_FUNC) { |
848 | adapter->op_mode = QLCNIC_MGMT_FUNC; | |
849 | err = qlcnic_init_pci_info(adapter); | |
850 | if (err) | |
851 | return err; | |
852 | /* Set privilege level for other functions */ | |
853 | qlcnic_set_function_modes(adapter); | |
854 | dev_info(&adapter->pdev->dev, | |
855 | "HAL Version: %d, Management function\n", | |
856 | adapter->fw_hal_version); | |
857 | } else if (priv_level == QLCNIC_PRIV_FUNC) { | |
858 | adapter->op_mode = QLCNIC_PRIV_FUNC; | |
859 | dev_info(&adapter->pdev->dev, | |
860 | "HAL Version: %d, Privileged function\n", | |
861 | adapter->fw_hal_version); | |
862 | } | |
174240a8 | 863 | } |
0866d96d AC |
864 | |
865 | adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; | |
866 | ||
867 | return err; | |
868 | } | |
869 | ||
0325d69b RB |
870 | static int |
871 | qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter) | |
872 | { | |
873 | struct qlcnic_esw_func_cfg esw_cfg; | |
874 | struct qlcnic_npar_info *npar; | |
875 | u8 i; | |
876 | ||
174240a8 | 877 | if (adapter->need_fw_reset) |
0325d69b RB |
878 | return 0; |
879 | ||
880 | for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) { | |
881 | if (adapter->npars[i].type != QLCNIC_TYPE_NIC) | |
882 | continue; | |
883 | memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg)); | |
884 | esw_cfg.pci_func = i; | |
885 | esw_cfg.offload_flags = BIT_0; | |
7373373d | 886 | esw_cfg.mac_override = BIT_0; |
ee07c1a7 | 887 | esw_cfg.promisc_mode = BIT_0; |
0325d69b RB |
888 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_TSO) |
889 | esw_cfg.offload_flags |= (BIT_1 | BIT_2); | |
890 | if (qlcnic_config_switch_port(adapter, &esw_cfg)) | |
891 | return -EIO; | |
892 | npar = &adapter->npars[i]; | |
893 | npar->pvid = esw_cfg.vlan_id; | |
7373373d | 894 | npar->mac_override = esw_cfg.mac_override; |
0325d69b RB |
895 | npar->mac_anti_spoof = esw_cfg.mac_anti_spoof; |
896 | npar->discard_tagged = esw_cfg.discard_tagged; | |
897 | npar->promisc_mode = esw_cfg.promisc_mode; | |
898 | npar->offload_flags = esw_cfg.offload_flags; | |
899 | } | |
900 | ||
901 | return 0; | |
902 | } | |
903 | ||
4e8acb01 RB |
904 | static int |
905 | qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter, | |
906 | struct qlcnic_npar_info *npar, int pci_func) | |
907 | { | |
908 | struct qlcnic_esw_func_cfg esw_cfg; | |
909 | esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS; | |
910 | esw_cfg.pci_func = pci_func; | |
911 | esw_cfg.vlan_id = npar->pvid; | |
7373373d | 912 | esw_cfg.mac_override = npar->mac_override; |
4e8acb01 RB |
913 | esw_cfg.discard_tagged = npar->discard_tagged; |
914 | esw_cfg.mac_anti_spoof = npar->mac_anti_spoof; | |
915 | esw_cfg.offload_flags = npar->offload_flags; | |
916 | esw_cfg.promisc_mode = npar->promisc_mode; | |
917 | if (qlcnic_config_switch_port(adapter, &esw_cfg)) | |
918 | return -EIO; | |
919 | ||
920 | esw_cfg.op_mode = QLCNIC_ADD_VLAN; | |
921 | if (qlcnic_config_switch_port(adapter, &esw_cfg)) | |
922 | return -EIO; | |
923 | ||
924 | return 0; | |
925 | } | |
926 | ||
cea8975e AC |
927 | static int |
928 | qlcnic_reset_npar_config(struct qlcnic_adapter *adapter) | |
929 | { | |
4e8acb01 | 930 | int i, err; |
cea8975e AC |
931 | struct qlcnic_npar_info *npar; |
932 | struct qlcnic_info nic_info; | |
933 | ||
174240a8 | 934 | if (!adapter->need_fw_reset) |
cea8975e AC |
935 | return 0; |
936 | ||
4e8acb01 RB |
937 | /* Set the NPAR config data after FW reset */ |
938 | for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) { | |
939 | npar = &adapter->npars[i]; | |
940 | if (npar->type != QLCNIC_TYPE_NIC) | |
941 | continue; | |
942 | err = qlcnic_get_nic_info(adapter, &nic_info, i); | |
943 | if (err) | |
944 | return err; | |
945 | nic_info.min_tx_bw = npar->min_bw; | |
946 | nic_info.max_tx_bw = npar->max_bw; | |
947 | err = qlcnic_set_nic_info(adapter, &nic_info); | |
948 | if (err) | |
949 | return err; | |
cea8975e | 950 | |
4e8acb01 RB |
951 | if (npar->enable_pm) { |
952 | err = qlcnic_config_port_mirroring(adapter, | |
953 | npar->dest_npar, 1, i); | |
954 | if (err) | |
955 | return err; | |
cea8975e | 956 | } |
4e8acb01 RB |
957 | err = qlcnic_reset_eswitch_config(adapter, npar, i); |
958 | if (err) | |
959 | return err; | |
cea8975e | 960 | } |
4e8acb01 | 961 | return 0; |
cea8975e AC |
962 | } |
963 | ||
78f84e1a AKS |
964 | static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter) |
965 | { | |
966 | u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO; | |
967 | u32 npar_state; | |
968 | ||
969 | if (adapter->op_mode == QLCNIC_MGMT_FUNC) | |
970 | return 0; | |
971 | ||
972 | npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); | |
973 | while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) { | |
974 | msleep(1000); | |
975 | npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); | |
976 | } | |
977 | if (!npar_opt_timeo) { | |
978 | dev_err(&adapter->pdev->dev, | |
979 | "Waiting for NPAR state to opertional timeout\n"); | |
980 | return -EIO; | |
981 | } | |
982 | return 0; | |
983 | } | |
984 | ||
174240a8 RB |
985 | static int |
986 | qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter) | |
987 | { | |
988 | int err; | |
989 | ||
990 | if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) || | |
991 | adapter->op_mode != QLCNIC_MGMT_FUNC) | |
992 | return 0; | |
993 | ||
994 | err = qlcnic_set_default_offload_settings(adapter); | |
995 | if (err) | |
996 | return err; | |
997 | ||
998 | err = qlcnic_reset_npar_config(adapter); | |
999 | if (err) | |
1000 | return err; | |
1001 | ||
1002 | qlcnic_dev_set_npar_ready(adapter); | |
1003 | ||
1004 | return err; | |
1005 | } | |
1006 | ||
af19b491 AKS |
1007 | static int |
1008 | qlcnic_start_firmware(struct qlcnic_adapter *adapter) | |
1009 | { | |
d4066833 | 1010 | int err; |
af19b491 | 1011 | |
aa5e18c0 SC |
1012 | err = qlcnic_can_start_firmware(adapter); |
1013 | if (err < 0) | |
1014 | return err; | |
1015 | else if (!err) | |
d4066833 | 1016 | goto check_fw_status; |
af19b491 | 1017 | |
4d5bdb38 AKS |
1018 | if (load_fw_file) |
1019 | qlcnic_request_firmware(adapter); | |
8f891387 | 1020 | else { |
8cfdce08 SC |
1021 | err = qlcnic_check_flash_fw_ver(adapter); |
1022 | if (err) | |
8f891387 | 1023 | goto err_out; |
1024 | ||
4d5bdb38 | 1025 | adapter->fw_type = QLCNIC_FLASH_ROMIMAGE; |
8f891387 | 1026 | } |
af19b491 AKS |
1027 | |
1028 | err = qlcnic_need_fw_reset(adapter); | |
af19b491 | 1029 | if (err == 0) |
4e70812b | 1030 | goto check_fw_status; |
af19b491 | 1031 | |
d4066833 SC |
1032 | err = qlcnic_pinit_from_rom(adapter); |
1033 | if (err) | |
1034 | goto err_out; | |
af19b491 AKS |
1035 | |
1036 | err = qlcnic_load_firmware(adapter); | |
1037 | if (err) | |
1038 | goto err_out; | |
1039 | ||
1040 | qlcnic_release_firmware(adapter); | |
d4066833 | 1041 | QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION); |
af19b491 | 1042 | |
d4066833 SC |
1043 | check_fw_status: |
1044 | err = qlcnic_check_fw_status(adapter); | |
af19b491 AKS |
1045 | if (err) |
1046 | goto err_out; | |
1047 | ||
1048 | QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY); | |
6df900e9 | 1049 | qlcnic_idc_debug_info(adapter, 1); |
b18971d1 | 1050 | |
0866d96d AC |
1051 | err = qlcnic_check_eswitch_mode(adapter); |
1052 | if (err) { | |
1053 | dev_err(&adapter->pdev->dev, | |
1054 | "Memory allocation failed for eswitch\n"); | |
1055 | goto err_out; | |
1056 | } | |
174240a8 RB |
1057 | err = qlcnic_set_mgmt_operations(adapter); |
1058 | if (err) | |
1059 | goto err_out; | |
1060 | ||
1061 | qlcnic_check_options(adapter); | |
af19b491 AKS |
1062 | adapter->need_fw_reset = 0; |
1063 | ||
a7fc948f AKS |
1064 | qlcnic_release_firmware(adapter); |
1065 | return 0; | |
af19b491 AKS |
1066 | |
1067 | err_out: | |
a7fc948f AKS |
1068 | QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED); |
1069 | dev_err(&adapter->pdev->dev, "Device state set to failed\n"); | |
0866d96d | 1070 | |
af19b491 AKS |
1071 | qlcnic_release_firmware(adapter); |
1072 | return err; | |
1073 | } | |
1074 | ||
1075 | static int | |
1076 | qlcnic_request_irq(struct qlcnic_adapter *adapter) | |
1077 | { | |
1078 | irq_handler_t handler; | |
1079 | struct qlcnic_host_sds_ring *sds_ring; | |
1080 | int err, ring; | |
1081 | ||
1082 | unsigned long flags = 0; | |
1083 | struct net_device *netdev = adapter->netdev; | |
b1fc6d3c | 1084 | struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; |
af19b491 | 1085 | |
7eb9855d AKS |
1086 | if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) { |
1087 | handler = qlcnic_tmp_intr; | |
1088 | if (!QLCNIC_IS_MSI_FAMILY(adapter)) | |
1089 | flags |= IRQF_SHARED; | |
1090 | ||
1091 | } else { | |
1092 | if (adapter->flags & QLCNIC_MSIX_ENABLED) | |
1093 | handler = qlcnic_msix_intr; | |
1094 | else if (adapter->flags & QLCNIC_MSI_ENABLED) | |
1095 | handler = qlcnic_msi_intr; | |
1096 | else { | |
1097 | flags |= IRQF_SHARED; | |
1098 | handler = qlcnic_intr; | |
1099 | } | |
af19b491 AKS |
1100 | } |
1101 | adapter->irq = netdev->irq; | |
1102 | ||
1103 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
1104 | sds_ring = &recv_ctx->sds_rings[ring]; | |
1105 | sprintf(sds_ring->name, "%s[%d]", netdev->name, ring); | |
1106 | err = request_irq(sds_ring->irq, handler, | |
1107 | flags, sds_ring->name, sds_ring); | |
1108 | if (err) | |
1109 | return err; | |
1110 | } | |
1111 | ||
1112 | return 0; | |
1113 | } | |
1114 | ||
1115 | static void | |
1116 | qlcnic_free_irq(struct qlcnic_adapter *adapter) | |
1117 | { | |
1118 | int ring; | |
1119 | struct qlcnic_host_sds_ring *sds_ring; | |
1120 | ||
b1fc6d3c | 1121 | struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; |
af19b491 AKS |
1122 | |
1123 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
1124 | sds_ring = &recv_ctx->sds_rings[ring]; | |
1125 | free_irq(sds_ring->irq, sds_ring); | |
1126 | } | |
1127 | } | |
1128 | ||
af19b491 AKS |
1129 | static int |
1130 | __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) | |
1131 | { | |
8a15ad1f AKS |
1132 | int ring; |
1133 | struct qlcnic_host_rds_ring *rds_ring; | |
1134 | ||
af19b491 AKS |
1135 | if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) |
1136 | return -EIO; | |
1137 | ||
8a15ad1f AKS |
1138 | if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) |
1139 | return 0; | |
0325d69b RB |
1140 | if (qlcnic_set_eswitch_port_config(adapter)) |
1141 | return -EIO; | |
8a15ad1f AKS |
1142 | |
1143 | if (qlcnic_fw_create_ctx(adapter)) | |
1144 | return -EIO; | |
1145 | ||
1146 | for (ring = 0; ring < adapter->max_rds_rings; ring++) { | |
b1fc6d3c AC |
1147 | rds_ring = &adapter->recv_ctx->rds_rings[ring]; |
1148 | qlcnic_post_rx_buffers(adapter, rds_ring); | |
8a15ad1f AKS |
1149 | } |
1150 | ||
af19b491 AKS |
1151 | qlcnic_set_multi(netdev); |
1152 | qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu); | |
1153 | ||
b1fc6d3c | 1154 | adapter->ahw->linkup = 0; |
af19b491 AKS |
1155 | |
1156 | if (adapter->max_sds_rings > 1) | |
1157 | qlcnic_config_rss(adapter, 1); | |
1158 | ||
1159 | qlcnic_config_intr_coalesce(adapter); | |
1160 | ||
24763d80 | 1161 | if (netdev->features & NETIF_F_LRO) |
af19b491 AKS |
1162 | qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED); |
1163 | ||
1164 | qlcnic_napi_enable(adapter); | |
1165 | ||
1166 | qlcnic_linkevent_request(adapter, 1); | |
1167 | ||
68bf1c68 | 1168 | adapter->reset_context = 0; |
af19b491 AKS |
1169 | set_bit(__QLCNIC_DEV_UP, &adapter->state); |
1170 | return 0; | |
1171 | } | |
1172 | ||
1173 | /* Usage: During resume and firmware recovery module.*/ | |
1174 | ||
1175 | static int | |
1176 | qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) | |
1177 | { | |
1178 | int err = 0; | |
1179 | ||
1180 | rtnl_lock(); | |
1181 | if (netif_running(netdev)) | |
1182 | err = __qlcnic_up(adapter, netdev); | |
1183 | rtnl_unlock(); | |
1184 | ||
1185 | return err; | |
1186 | } | |
1187 | ||
1188 | static void | |
1189 | __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) | |
1190 | { | |
1191 | if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) | |
1192 | return; | |
1193 | ||
1194 | if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state)) | |
1195 | return; | |
1196 | ||
1197 | smp_mb(); | |
1198 | spin_lock(&adapter->tx_clean_lock); | |
1199 | netif_carrier_off(netdev); | |
1200 | netif_tx_disable(netdev); | |
1201 | ||
1202 | qlcnic_free_mac_list(adapter); | |
1203 | ||
b5e5492c AKS |
1204 | if (adapter->fhash.fnum) |
1205 | qlcnic_delete_lb_filters(adapter); | |
1206 | ||
af19b491 AKS |
1207 | qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE); |
1208 | ||
1209 | qlcnic_napi_disable(adapter); | |
1210 | ||
8a15ad1f AKS |
1211 | qlcnic_fw_destroy_ctx(adapter); |
1212 | ||
1213 | qlcnic_reset_rx_buffers_list(adapter); | |
af19b491 AKS |
1214 | qlcnic_release_tx_buffers(adapter); |
1215 | spin_unlock(&adapter->tx_clean_lock); | |
1216 | } | |
1217 | ||
1218 | /* Usage: During suspend and firmware recovery module */ | |
1219 | ||
1220 | static void | |
1221 | qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) | |
1222 | { | |
1223 | rtnl_lock(); | |
1224 | if (netif_running(netdev)) | |
1225 | __qlcnic_down(adapter, netdev); | |
1226 | rtnl_unlock(); | |
1227 | ||
1228 | } | |
1229 | ||
1230 | static int | |
1231 | qlcnic_attach(struct qlcnic_adapter *adapter) | |
1232 | { | |
1233 | struct net_device *netdev = adapter->netdev; | |
1234 | struct pci_dev *pdev = adapter->pdev; | |
8a15ad1f | 1235 | int err; |
af19b491 AKS |
1236 | |
1237 | if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) | |
1238 | return 0; | |
1239 | ||
af19b491 AKS |
1240 | err = qlcnic_napi_add(adapter, netdev); |
1241 | if (err) | |
1242 | return err; | |
1243 | ||
1244 | err = qlcnic_alloc_sw_resources(adapter); | |
1245 | if (err) { | |
1246 | dev_err(&pdev->dev, "Error in setting sw resources\n"); | |
8a15ad1f | 1247 | goto err_out_napi_del; |
af19b491 AKS |
1248 | } |
1249 | ||
1250 | err = qlcnic_alloc_hw_resources(adapter); | |
1251 | if (err) { | |
1252 | dev_err(&pdev->dev, "Error in setting hw resources\n"); | |
1253 | goto err_out_free_sw; | |
1254 | } | |
1255 | ||
af19b491 AKS |
1256 | err = qlcnic_request_irq(adapter); |
1257 | if (err) { | |
1258 | dev_err(&pdev->dev, "failed to setup interrupt\n"); | |
8a15ad1f | 1259 | goto err_out_free_hw; |
af19b491 AKS |
1260 | } |
1261 | ||
af19b491 AKS |
1262 | qlcnic_create_sysfs_entries(adapter); |
1263 | ||
1264 | adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC; | |
1265 | return 0; | |
1266 | ||
8a15ad1f | 1267 | err_out_free_hw: |
af19b491 AKS |
1268 | qlcnic_free_hw_resources(adapter); |
1269 | err_out_free_sw: | |
1270 | qlcnic_free_sw_resources(adapter); | |
8a15ad1f AKS |
1271 | err_out_napi_del: |
1272 | qlcnic_napi_del(adapter); | |
af19b491 AKS |
1273 | return err; |
1274 | } | |
1275 | ||
1276 | static void | |
1277 | qlcnic_detach(struct qlcnic_adapter *adapter) | |
1278 | { | |
1279 | if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) | |
1280 | return; | |
1281 | ||
1282 | qlcnic_remove_sysfs_entries(adapter); | |
1283 | ||
1284 | qlcnic_free_hw_resources(adapter); | |
1285 | qlcnic_release_rx_buffers(adapter); | |
1286 | qlcnic_free_irq(adapter); | |
1287 | qlcnic_napi_del(adapter); | |
1288 | qlcnic_free_sw_resources(adapter); | |
1289 | ||
1290 | adapter->is_up = 0; | |
1291 | } | |
1292 | ||
7eb9855d AKS |
1293 | void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings) |
1294 | { | |
1295 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
1296 | struct qlcnic_host_sds_ring *sds_ring; | |
1297 | int ring; | |
1298 | ||
78ad3892 | 1299 | clear_bit(__QLCNIC_DEV_UP, &adapter->state); |
cdaff185 AKS |
1300 | if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) { |
1301 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
b1fc6d3c | 1302 | sds_ring = &adapter->recv_ctx->sds_rings[ring]; |
cdaff185 AKS |
1303 | qlcnic_disable_int(sds_ring); |
1304 | } | |
7eb9855d AKS |
1305 | } |
1306 | ||
8a15ad1f AKS |
1307 | qlcnic_fw_destroy_ctx(adapter); |
1308 | ||
7eb9855d AKS |
1309 | qlcnic_detach(adapter); |
1310 | ||
1311 | adapter->diag_test = 0; | |
1312 | adapter->max_sds_rings = max_sds_rings; | |
1313 | ||
1314 | if (qlcnic_attach(adapter)) | |
34ce3626 | 1315 | goto out; |
7eb9855d AKS |
1316 | |
1317 | if (netif_running(netdev)) | |
1318 | __qlcnic_up(adapter, netdev); | |
34ce3626 | 1319 | out: |
7eb9855d AKS |
1320 | netif_device_attach(netdev); |
1321 | } | |
1322 | ||
b1fc6d3c AC |
1323 | static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter) |
1324 | { | |
1325 | int err = 0; | |
1326 | adapter->ahw = kzalloc(sizeof(struct qlcnic_hardware_context), | |
1327 | GFP_KERNEL); | |
1328 | if (!adapter->ahw) { | |
1329 | dev_err(&adapter->pdev->dev, | |
1330 | "Failed to allocate recv ctx resources for adapter\n"); | |
1331 | err = -ENOMEM; | |
1332 | goto err_out; | |
1333 | } | |
1334 | adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context), | |
1335 | GFP_KERNEL); | |
1336 | if (!adapter->recv_ctx) { | |
1337 | dev_err(&adapter->pdev->dev, | |
1338 | "Failed to allocate recv ctx resources for adapter\n"); | |
1339 | kfree(adapter->ahw); | |
1340 | adapter->ahw = NULL; | |
1341 | err = -ENOMEM; | |
8816d009 | 1342 | goto err_out; |
b1fc6d3c | 1343 | } |
8816d009 AC |
1344 | /* Initialize interrupt coalesce parameters */ |
1345 | adapter->ahw->coal.flag = QLCNIC_INTR_DEFAULT; | |
1346 | adapter->ahw->coal.rx_time_us = QLCNIC_DEFAULT_INTR_COALESCE_RX_TIME_US; | |
1347 | adapter->ahw->coal.rx_packets = QLCNIC_DEFAULT_INTR_COALESCE_RX_PACKETS; | |
b1fc6d3c AC |
1348 | err_out: |
1349 | return err; | |
1350 | } | |
1351 | ||
1352 | static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter) | |
1353 | { | |
1354 | kfree(adapter->recv_ctx); | |
1355 | adapter->recv_ctx = NULL; | |
1356 | ||
18f2f616 AC |
1357 | if (adapter->ahw->fw_dump.tmpl_hdr) { |
1358 | vfree(adapter->ahw->fw_dump.tmpl_hdr); | |
1359 | adapter->ahw->fw_dump.tmpl_hdr = NULL; | |
1360 | } | |
b1fc6d3c AC |
1361 | kfree(adapter->ahw); |
1362 | adapter->ahw = NULL; | |
1363 | } | |
1364 | ||
7eb9855d AKS |
1365 | int qlcnic_diag_alloc_res(struct net_device *netdev, int test) |
1366 | { | |
1367 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
1368 | struct qlcnic_host_sds_ring *sds_ring; | |
8a15ad1f | 1369 | struct qlcnic_host_rds_ring *rds_ring; |
7eb9855d AKS |
1370 | int ring; |
1371 | int ret; | |
1372 | ||
1373 | netif_device_detach(netdev); | |
1374 | ||
1375 | if (netif_running(netdev)) | |
1376 | __qlcnic_down(adapter, netdev); | |
1377 | ||
1378 | qlcnic_detach(adapter); | |
1379 | ||
1380 | adapter->max_sds_rings = 1; | |
1381 | adapter->diag_test = test; | |
1382 | ||
1383 | ret = qlcnic_attach(adapter); | |
34ce3626 AKS |
1384 | if (ret) { |
1385 | netif_device_attach(netdev); | |
7eb9855d | 1386 | return ret; |
34ce3626 | 1387 | } |
7eb9855d | 1388 | |
8a15ad1f AKS |
1389 | ret = qlcnic_fw_create_ctx(adapter); |
1390 | if (ret) { | |
1391 | qlcnic_detach(adapter); | |
57e46248 | 1392 | netif_device_attach(netdev); |
8a15ad1f AKS |
1393 | return ret; |
1394 | } | |
1395 | ||
1396 | for (ring = 0; ring < adapter->max_rds_rings; ring++) { | |
b1fc6d3c AC |
1397 | rds_ring = &adapter->recv_ctx->rds_rings[ring]; |
1398 | qlcnic_post_rx_buffers(adapter, rds_ring); | |
8a15ad1f AKS |
1399 | } |
1400 | ||
cdaff185 AKS |
1401 | if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) { |
1402 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
b1fc6d3c | 1403 | sds_ring = &adapter->recv_ctx->sds_rings[ring]; |
cdaff185 AKS |
1404 | qlcnic_enable_int(sds_ring); |
1405 | } | |
7eb9855d | 1406 | } |
22c8c934 SC |
1407 | |
1408 | if (adapter->diag_test == QLCNIC_LOOPBACK_TEST) { | |
1409 | adapter->ahw->loopback_state = 0; | |
1410 | qlcnic_linkevent_request(adapter, 1); | |
1411 | } | |
1412 | ||
78ad3892 | 1413 | set_bit(__QLCNIC_DEV_UP, &adapter->state); |
7eb9855d AKS |
1414 | |
1415 | return 0; | |
1416 | } | |
1417 | ||
68bf1c68 AKS |
1418 | /* Reset context in hardware only */ |
1419 | static int | |
1420 | qlcnic_reset_hw_context(struct qlcnic_adapter *adapter) | |
1421 | { | |
1422 | struct net_device *netdev = adapter->netdev; | |
1423 | ||
1424 | if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) | |
1425 | return -EBUSY; | |
1426 | ||
1427 | netif_device_detach(netdev); | |
1428 | ||
1429 | qlcnic_down(adapter, netdev); | |
1430 | ||
1431 | qlcnic_up(adapter, netdev); | |
1432 | ||
1433 | netif_device_attach(netdev); | |
1434 | ||
1435 | clear_bit(__QLCNIC_RESETTING, &adapter->state); | |
1436 | return 0; | |
1437 | } | |
1438 | ||
af19b491 AKS |
1439 | int |
1440 | qlcnic_reset_context(struct qlcnic_adapter *adapter) | |
1441 | { | |
1442 | int err = 0; | |
1443 | struct net_device *netdev = adapter->netdev; | |
1444 | ||
1445 | if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) | |
1446 | return -EBUSY; | |
1447 | ||
1448 | if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) { | |
1449 | ||
1450 | netif_device_detach(netdev); | |
1451 | ||
1452 | if (netif_running(netdev)) | |
1453 | __qlcnic_down(adapter, netdev); | |
1454 | ||
1455 | qlcnic_detach(adapter); | |
1456 | ||
1457 | if (netif_running(netdev)) { | |
1458 | err = qlcnic_attach(adapter); | |
1459 | if (!err) | |
34ce3626 | 1460 | __qlcnic_up(adapter, netdev); |
af19b491 AKS |
1461 | } |
1462 | ||
1463 | netif_device_attach(netdev); | |
1464 | } | |
1465 | ||
af19b491 AKS |
1466 | clear_bit(__QLCNIC_RESETTING, &adapter->state); |
1467 | return err; | |
1468 | } | |
1469 | ||
1470 | static int | |
1471 | qlcnic_setup_netdev(struct qlcnic_adapter *adapter, | |
1bb09fb9 | 1472 | struct net_device *netdev, u8 pci_using_dac) |
af19b491 AKS |
1473 | { |
1474 | int err; | |
1475 | struct pci_dev *pdev = adapter->pdev; | |
1476 | ||
af19b491 AKS |
1477 | adapter->mc_enabled = 0; |
1478 | adapter->max_mc_count = 38; | |
1479 | ||
1480 | netdev->netdev_ops = &qlcnic_netdev_ops; | |
ef71ff83 | 1481 | netdev->watchdog_timeo = 5*HZ; |
af19b491 AKS |
1482 | |
1483 | qlcnic_change_mtu(netdev, netdev->mtu); | |
1484 | ||
1485 | SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops); | |
1486 | ||
135d84a9 MM |
1487 | netdev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | |
1488 | NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM; | |
ac8d0c4f | 1489 | |
135d84a9 MM |
1490 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_TSO) |
1491 | netdev->hw_features |= NETIF_F_TSO | NETIF_F_TSO6; | |
1492 | if (pci_using_dac) | |
1493 | netdev->hw_features |= NETIF_F_HIGHDMA; | |
af19b491 | 1494 | |
135d84a9 | 1495 | netdev->vlan_features = netdev->hw_features; |
af19b491 AKS |
1496 | |
1497 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX) | |
135d84a9 | 1498 | netdev->hw_features |= NETIF_F_HW_VLAN_TX; |
af19b491 | 1499 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) |
135d84a9 MM |
1500 | netdev->hw_features |= NETIF_F_LRO; |
1501 | ||
1502 | netdev->features |= netdev->hw_features | | |
1503 | NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_FILTER; | |
1504 | ||
af19b491 AKS |
1505 | netdev->irq = adapter->msix_entries[0].vector; |
1506 | ||
af19b491 AKS |
1507 | err = register_netdev(netdev); |
1508 | if (err) { | |
1509 | dev_err(&pdev->dev, "failed to register net device\n"); | |
1510 | return err; | |
1511 | } | |
1512 | ||
1513 | return 0; | |
1514 | } | |
1515 | ||
1bb09fb9 AKS |
1516 | static int qlcnic_set_dma_mask(struct pci_dev *pdev, u8 *pci_using_dac) |
1517 | { | |
1518 | if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && | |
1519 | !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) | |
1520 | *pci_using_dac = 1; | |
1521 | else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) && | |
1522 | !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) | |
1523 | *pci_using_dac = 0; | |
1524 | else { | |
1525 | dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n"); | |
1526 | return -EIO; | |
1527 | } | |
1528 | ||
1529 | return 0; | |
1530 | } | |
1531 | ||
f94bc1e7 SC |
1532 | static int |
1533 | qlcnic_alloc_msix_entries(struct qlcnic_adapter *adapter, u16 count) | |
1534 | { | |
1535 | adapter->msix_entries = kcalloc(count, sizeof(struct msix_entry), | |
1536 | GFP_KERNEL); | |
1537 | ||
1538 | if (adapter->msix_entries) | |
1539 | return 0; | |
1540 | ||
1541 | dev_err(&adapter->pdev->dev, "failed allocating msix_entries\n"); | |
1542 | return -ENOMEM; | |
1543 | } | |
1544 | ||
af19b491 AKS |
1545 | static int __devinit |
1546 | qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) | |
1547 | { | |
1548 | struct net_device *netdev = NULL; | |
1549 | struct qlcnic_adapter *adapter = NULL; | |
1550 | int err; | |
af19b491 | 1551 | uint8_t revision_id; |
1bb09fb9 | 1552 | uint8_t pci_using_dac; |
da48e6c3 | 1553 | char brd_name[QLCNIC_MAX_BOARD_NAME_LEN]; |
af19b491 AKS |
1554 | |
1555 | err = pci_enable_device(pdev); | |
1556 | if (err) | |
1557 | return err; | |
1558 | ||
1559 | if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { | |
1560 | err = -ENODEV; | |
1561 | goto err_out_disable_pdev; | |
1562 | } | |
1563 | ||
1bb09fb9 AKS |
1564 | err = qlcnic_set_dma_mask(pdev, &pci_using_dac); |
1565 | if (err) | |
1566 | goto err_out_disable_pdev; | |
1567 | ||
af19b491 AKS |
1568 | err = pci_request_regions(pdev, qlcnic_driver_name); |
1569 | if (err) | |
1570 | goto err_out_disable_pdev; | |
1571 | ||
1572 | pci_set_master(pdev); | |
451724c8 | 1573 | pci_enable_pcie_error_reporting(pdev); |
af19b491 AKS |
1574 | |
1575 | netdev = alloc_etherdev(sizeof(struct qlcnic_adapter)); | |
1576 | if (!netdev) { | |
1577 | dev_err(&pdev->dev, "failed to allocate net_device\n"); | |
1578 | err = -ENOMEM; | |
1579 | goto err_out_free_res; | |
1580 | } | |
1581 | ||
1582 | SET_NETDEV_DEV(netdev, &pdev->dev); | |
1583 | ||
1584 | adapter = netdev_priv(netdev); | |
1585 | adapter->netdev = netdev; | |
1586 | adapter->pdev = pdev; | |
af19b491 | 1587 | |
b1fc6d3c AC |
1588 | if (qlcnic_alloc_adapter_resources(adapter)) |
1589 | goto err_out_free_netdev; | |
1590 | ||
1591 | adapter->dev_rst_time = jiffies; | |
af19b491 | 1592 | revision_id = pdev->revision; |
b1fc6d3c | 1593 | adapter->ahw->revision_id = revision_id; |
e5dcf6dc | 1594 | adapter->mac_learn = qlcnic_mac_learn; |
af19b491 | 1595 | |
b1fc6d3c AC |
1596 | rwlock_init(&adapter->ahw->crb_lock); |
1597 | mutex_init(&adapter->ahw->mem_lock); | |
af19b491 AKS |
1598 | |
1599 | spin_lock_init(&adapter->tx_clean_lock); | |
1600 | INIT_LIST_HEAD(&adapter->mac_list); | |
1601 | ||
1602 | err = qlcnic_setup_pci_map(adapter); | |
1603 | if (err) | |
b1fc6d3c | 1604 | goto err_out_free_hw; |
af19b491 AKS |
1605 | |
1606 | /* This will be reset for mezz cards */ | |
b1fc6d3c | 1607 | adapter->portnum = adapter->ahw->pci_func; |
af19b491 AKS |
1608 | |
1609 | err = qlcnic_get_board_info(adapter); | |
1610 | if (err) { | |
1611 | dev_err(&pdev->dev, "Error getting board config info.\n"); | |
1612 | goto err_out_iounmap; | |
1613 | } | |
1614 | ||
8cfdce08 SC |
1615 | err = qlcnic_setup_idc_param(adapter); |
1616 | if (err) | |
b3a24649 | 1617 | goto err_out_iounmap; |
af19b491 | 1618 | |
1dc0f3c5 | 1619 | adapter->flags |= QLCNIC_NEED_FLR; |
b0044bcf | 1620 | |
9f26f547 | 1621 | err = adapter->nic_ops->start_firmware(adapter); |
a7fc948f AKS |
1622 | if (err) { |
1623 | dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"); | |
af19b491 | 1624 | goto err_out_decr_ref; |
a7fc948f | 1625 | } |
af19b491 | 1626 | |
da48e6c3 RB |
1627 | if (qlcnic_read_mac_addr(adapter)) |
1628 | dev_warn(&pdev->dev, "failed to read mac addr\n"); | |
1629 | ||
1630 | if (adapter->portnum == 0) { | |
1631 | get_brd_name(adapter, brd_name); | |
1632 | ||
1633 | pr_info("%s: %s Board Chip rev 0x%x\n", | |
1634 | module_name(THIS_MODULE), | |
b1fc6d3c | 1635 | brd_name, adapter->ahw->revision_id); |
da48e6c3 RB |
1636 | } |
1637 | ||
af19b491 AKS |
1638 | qlcnic_clear_stats(adapter); |
1639 | ||
f94bc1e7 SC |
1640 | err = qlcnic_alloc_msix_entries(adapter, adapter->max_rx_ques); |
1641 | if (err) | |
1642 | goto err_out_decr_ref; | |
1643 | ||
af19b491 AKS |
1644 | qlcnic_setup_intr(adapter); |
1645 | ||
1bb09fb9 | 1646 | err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac); |
af19b491 AKS |
1647 | if (err) |
1648 | goto err_out_disable_msi; | |
1649 | ||
1650 | pci_set_drvdata(pdev, adapter); | |
1651 | ||
1652 | qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); | |
1653 | ||
b1fc6d3c | 1654 | switch (adapter->ahw->port_type) { |
af19b491 AKS |
1655 | case QLCNIC_GBE: |
1656 | dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", | |
1657 | adapter->netdev->name); | |
1658 | break; | |
1659 | case QLCNIC_XGBE: | |
1660 | dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", | |
1661 | adapter->netdev->name); | |
1662 | break; | |
1663 | } | |
1664 | ||
e5dcf6dc SC |
1665 | if (adapter->mac_learn) |
1666 | qlcnic_alloc_lb_filters_mem(adapter); | |
1667 | ||
af19b491 AKS |
1668 | qlcnic_create_diag_entries(adapter); |
1669 | ||
1670 | return 0; | |
1671 | ||
1672 | err_out_disable_msi: | |
1673 | qlcnic_teardown_intr(adapter); | |
f94bc1e7 | 1674 | kfree(adapter->msix_entries); |
af19b491 AKS |
1675 | |
1676 | err_out_decr_ref: | |
21854f02 | 1677 | qlcnic_clr_all_drv_state(adapter, 0); |
af19b491 AKS |
1678 | |
1679 | err_out_iounmap: | |
1680 | qlcnic_cleanup_pci_map(adapter); | |
1681 | ||
b1fc6d3c AC |
1682 | err_out_free_hw: |
1683 | qlcnic_free_adapter_resources(adapter); | |
1684 | ||
af19b491 AKS |
1685 | err_out_free_netdev: |
1686 | free_netdev(netdev); | |
1687 | ||
1688 | err_out_free_res: | |
1689 | pci_release_regions(pdev); | |
1690 | ||
1691 | err_out_disable_pdev: | |
1692 | pci_set_drvdata(pdev, NULL); | |
1693 | pci_disable_device(pdev); | |
1694 | return err; | |
1695 | } | |
1696 | ||
1697 | static void __devexit qlcnic_remove(struct pci_dev *pdev) | |
1698 | { | |
1699 | struct qlcnic_adapter *adapter; | |
1700 | struct net_device *netdev; | |
1701 | ||
1702 | adapter = pci_get_drvdata(pdev); | |
1703 | if (adapter == NULL) | |
1704 | return; | |
1705 | ||
1706 | netdev = adapter->netdev; | |
1707 | ||
1708 | qlcnic_cancel_fw_work(adapter); | |
1709 | ||
1710 | unregister_netdev(netdev); | |
1711 | ||
af19b491 AKS |
1712 | qlcnic_detach(adapter); |
1713 | ||
2e9d722d AC |
1714 | if (adapter->npars != NULL) |
1715 | kfree(adapter->npars); | |
1716 | if (adapter->eswitch != NULL) | |
1717 | kfree(adapter->eswitch); | |
1718 | ||
21854f02 | 1719 | qlcnic_clr_all_drv_state(adapter, 0); |
af19b491 AKS |
1720 | |
1721 | clear_bit(__QLCNIC_RESETTING, &adapter->state); | |
1722 | ||
b5e5492c AKS |
1723 | qlcnic_free_lb_filters_mem(adapter); |
1724 | ||
af19b491 | 1725 | qlcnic_teardown_intr(adapter); |
f94bc1e7 | 1726 | kfree(adapter->msix_entries); |
af19b491 AKS |
1727 | |
1728 | qlcnic_remove_diag_entries(adapter); | |
1729 | ||
1730 | qlcnic_cleanup_pci_map(adapter); | |
1731 | ||
1732 | qlcnic_release_firmware(adapter); | |
1733 | ||
451724c8 | 1734 | pci_disable_pcie_error_reporting(pdev); |
af19b491 AKS |
1735 | pci_release_regions(pdev); |
1736 | pci_disable_device(pdev); | |
1737 | pci_set_drvdata(pdev, NULL); | |
1738 | ||
b1fc6d3c | 1739 | qlcnic_free_adapter_resources(adapter); |
af19b491 AKS |
1740 | free_netdev(netdev); |
1741 | } | |
1742 | static int __qlcnic_shutdown(struct pci_dev *pdev) | |
1743 | { | |
1744 | struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); | |
1745 | struct net_device *netdev = adapter->netdev; | |
1746 | int retval; | |
1747 | ||
1748 | netif_device_detach(netdev); | |
1749 | ||
1750 | qlcnic_cancel_fw_work(adapter); | |
1751 | ||
1752 | if (netif_running(netdev)) | |
1753 | qlcnic_down(adapter, netdev); | |
1754 | ||
21854f02 | 1755 | qlcnic_clr_all_drv_state(adapter, 0); |
af19b491 AKS |
1756 | |
1757 | clear_bit(__QLCNIC_RESETTING, &adapter->state); | |
1758 | ||
1759 | retval = pci_save_state(pdev); | |
1760 | if (retval) | |
1761 | return retval; | |
1762 | ||
1763 | if (qlcnic_wol_supported(adapter)) { | |
1764 | pci_enable_wake(pdev, PCI_D3cold, 1); | |
1765 | pci_enable_wake(pdev, PCI_D3hot, 1); | |
1766 | } | |
1767 | ||
1768 | return 0; | |
1769 | } | |
1770 | ||
1771 | static void qlcnic_shutdown(struct pci_dev *pdev) | |
1772 | { | |
1773 | if (__qlcnic_shutdown(pdev)) | |
1774 | return; | |
1775 | ||
1776 | pci_disable_device(pdev); | |
1777 | } | |
1778 | ||
1779 | #ifdef CONFIG_PM | |
1780 | static int | |
1781 | qlcnic_suspend(struct pci_dev *pdev, pm_message_t state) | |
1782 | { | |
1783 | int retval; | |
1784 | ||
1785 | retval = __qlcnic_shutdown(pdev); | |
1786 | if (retval) | |
1787 | return retval; | |
1788 | ||
1789 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); | |
1790 | return 0; | |
1791 | } | |
1792 | ||
1793 | static int | |
1794 | qlcnic_resume(struct pci_dev *pdev) | |
1795 | { | |
1796 | struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); | |
1797 | struct net_device *netdev = adapter->netdev; | |
1798 | int err; | |
1799 | ||
1800 | err = pci_enable_device(pdev); | |
1801 | if (err) | |
1802 | return err; | |
1803 | ||
1804 | pci_set_power_state(pdev, PCI_D0); | |
1805 | pci_set_master(pdev); | |
1806 | pci_restore_state(pdev); | |
1807 | ||
9f26f547 | 1808 | err = adapter->nic_ops->start_firmware(adapter); |
af19b491 AKS |
1809 | if (err) { |
1810 | dev_err(&pdev->dev, "failed to start firmware\n"); | |
1811 | return err; | |
1812 | } | |
1813 | ||
1814 | if (netif_running(netdev)) { | |
af19b491 AKS |
1815 | err = qlcnic_up(adapter, netdev); |
1816 | if (err) | |
52486a3a | 1817 | goto done; |
af19b491 | 1818 | |
aec1e845 | 1819 | qlcnic_restore_indev_addr(netdev, NETDEV_UP); |
af19b491 | 1820 | } |
52486a3a | 1821 | done: |
af19b491 AKS |
1822 | netif_device_attach(netdev); |
1823 | qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); | |
1824 | return 0; | |
af19b491 AKS |
1825 | } |
1826 | #endif | |
1827 | ||
1828 | static int qlcnic_open(struct net_device *netdev) | |
1829 | { | |
1830 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
1831 | int err; | |
1832 | ||
c55ad8e5 AKS |
1833 | netif_carrier_off(netdev); |
1834 | ||
af19b491 AKS |
1835 | err = qlcnic_attach(adapter); |
1836 | if (err) | |
1837 | return err; | |
1838 | ||
1839 | err = __qlcnic_up(adapter, netdev); | |
1840 | if (err) | |
1841 | goto err_out; | |
1842 | ||
1843 | netif_start_queue(netdev); | |
1844 | ||
1845 | return 0; | |
1846 | ||
1847 | err_out: | |
1848 | qlcnic_detach(adapter); | |
1849 | return err; | |
1850 | } | |
1851 | ||
1852 | /* | |
1853 | * qlcnic_close - Disables a network interface entry point | |
1854 | */ | |
1855 | static int qlcnic_close(struct net_device *netdev) | |
1856 | { | |
1857 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
1858 | ||
1859 | __qlcnic_down(adapter, netdev); | |
1860 | return 0; | |
1861 | } | |
1862 | ||
e5dcf6dc | 1863 | void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter) |
b5e5492c AKS |
1864 | { |
1865 | void *head; | |
1866 | int i; | |
1867 | ||
e5dcf6dc | 1868 | if (adapter->fhash.fmax && adapter->fhash.fhead) |
b5e5492c AKS |
1869 | return; |
1870 | ||
1871 | spin_lock_init(&adapter->mac_learn_lock); | |
1872 | ||
1873 | head = kcalloc(QLCNIC_LB_MAX_FILTERS, sizeof(struct hlist_head), | |
1874 | GFP_KERNEL); | |
1875 | if (!head) | |
1876 | return; | |
1877 | ||
1878 | adapter->fhash.fmax = QLCNIC_LB_MAX_FILTERS; | |
43d620c8 | 1879 | adapter->fhash.fhead = head; |
b5e5492c AKS |
1880 | |
1881 | for (i = 0; i < adapter->fhash.fmax; i++) | |
1882 | INIT_HLIST_HEAD(&adapter->fhash.fhead[i]); | |
1883 | } | |
1884 | ||
1885 | static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter) | |
1886 | { | |
1887 | if (adapter->fhash.fmax && adapter->fhash.fhead) | |
1888 | kfree(adapter->fhash.fhead); | |
1889 | ||
1890 | adapter->fhash.fhead = NULL; | |
1891 | adapter->fhash.fmax = 0; | |
1892 | } | |
1893 | ||
1894 | static void qlcnic_change_filter(struct qlcnic_adapter *adapter, | |
7e56cac4 | 1895 | u64 uaddr, __le16 vlan_id, struct qlcnic_host_tx_ring *tx_ring) |
b5e5492c AKS |
1896 | { |
1897 | struct cmd_desc_type0 *hwdesc; | |
1898 | struct qlcnic_nic_req *req; | |
1899 | struct qlcnic_mac_req *mac_req; | |
7e56cac4 | 1900 | struct qlcnic_vlan_req *vlan_req; |
b5e5492c AKS |
1901 | u32 producer; |
1902 | u64 word; | |
1903 | ||
1904 | producer = tx_ring->producer; | |
1905 | hwdesc = &tx_ring->desc_head[tx_ring->producer]; | |
1906 | ||
1907 | req = (struct qlcnic_nic_req *)hwdesc; | |
1908 | memset(req, 0, sizeof(struct qlcnic_nic_req)); | |
1909 | req->qhdr = cpu_to_le64(QLCNIC_REQUEST << 23); | |
1910 | ||
1911 | word = QLCNIC_MAC_EVENT | ((u64)(adapter->portnum) << 16); | |
1912 | req->req_hdr = cpu_to_le64(word); | |
1913 | ||
1914 | mac_req = (struct qlcnic_mac_req *)&(req->words[0]); | |
03c5d770 | 1915 | mac_req->op = vlan_id ? QLCNIC_MAC_VLAN_ADD : QLCNIC_MAC_ADD; |
b5e5492c AKS |
1916 | memcpy(mac_req->mac_addr, &uaddr, ETH_ALEN); |
1917 | ||
7e56cac4 SC |
1918 | vlan_req = (struct qlcnic_vlan_req *)&req->words[1]; |
1919 | vlan_req->vlan_id = vlan_id; | |
03c5d770 | 1920 | |
b5e5492c | 1921 | tx_ring->producer = get_next_index(producer, tx_ring->num_desc); |
036d61f0 | 1922 | smp_mb(); |
b5e5492c AKS |
1923 | } |
1924 | ||
1925 | #define QLCNIC_MAC_HASH(MAC)\ | |
1926 | ((((MAC) & 0x70000) >> 0x10) | (((MAC) & 0x70000000000ULL) >> 0x25)) | |
1927 | ||
1928 | static void | |
1929 | qlcnic_send_filter(struct qlcnic_adapter *adapter, | |
1930 | struct qlcnic_host_tx_ring *tx_ring, | |
1931 | struct cmd_desc_type0 *first_desc, | |
1932 | struct sk_buff *skb) | |
1933 | { | |
1934 | struct ethhdr *phdr = (struct ethhdr *)(skb->data); | |
1935 | struct qlcnic_filter *fil, *tmp_fil; | |
1936 | struct hlist_node *tmp_hnode, *n; | |
1937 | struct hlist_head *head; | |
1938 | u64 src_addr = 0; | |
7e56cac4 | 1939 | __le16 vlan_id = 0; |
b5e5492c AKS |
1940 | u8 hindex; |
1941 | ||
1942 | if (!compare_ether_addr(phdr->h_source, adapter->mac_addr)) | |
1943 | return; | |
1944 | ||
1945 | if (adapter->fhash.fnum >= adapter->fhash.fmax) | |
1946 | return; | |
1947 | ||
03c5d770 AKS |
1948 | /* Only NPAR capable devices support vlan based learning*/ |
1949 | if (adapter->flags & QLCNIC_ESWITCH_ENABLED) | |
1950 | vlan_id = first_desc->vlan_TCI; | |
b5e5492c AKS |
1951 | memcpy(&src_addr, phdr->h_source, ETH_ALEN); |
1952 | hindex = QLCNIC_MAC_HASH(src_addr) & (QLCNIC_LB_MAX_FILTERS - 1); | |
1953 | head = &(adapter->fhash.fhead[hindex]); | |
1954 | ||
1955 | hlist_for_each_entry_safe(tmp_fil, tmp_hnode, n, head, fnode) { | |
03c5d770 AKS |
1956 | if (!memcmp(tmp_fil->faddr, &src_addr, ETH_ALEN) && |
1957 | tmp_fil->vlan_id == vlan_id) { | |
e5edb7b1 | 1958 | |
1959 | if (jiffies > | |
1960 | (QLCNIC_READD_AGE * HZ + tmp_fil->ftime)) | |
1961 | qlcnic_change_filter(adapter, src_addr, vlan_id, | |
1962 | tx_ring); | |
b5e5492c AKS |
1963 | tmp_fil->ftime = jiffies; |
1964 | return; | |
1965 | } | |
1966 | } | |
1967 | ||
1968 | fil = kzalloc(sizeof(struct qlcnic_filter), GFP_ATOMIC); | |
1969 | if (!fil) | |
1970 | return; | |
1971 | ||
03c5d770 | 1972 | qlcnic_change_filter(adapter, src_addr, vlan_id, tx_ring); |
b5e5492c AKS |
1973 | |
1974 | fil->ftime = jiffies; | |
03c5d770 | 1975 | fil->vlan_id = vlan_id; |
b5e5492c AKS |
1976 | memcpy(fil->faddr, &src_addr, ETH_ALEN); |
1977 | spin_lock(&adapter->mac_learn_lock); | |
1978 | hlist_add_head(&(fil->fnode), head); | |
1979 | adapter->fhash.fnum++; | |
1980 | spin_unlock(&adapter->mac_learn_lock); | |
1981 | } | |
1982 | ||
036d61f0 AC |
1983 | static int |
1984 | qlcnic_tx_pkt(struct qlcnic_adapter *adapter, | |
af19b491 AKS |
1985 | struct cmd_desc_type0 *first_desc, |
1986 | struct sk_buff *skb) | |
1987 | { | |
036d61f0 AC |
1988 | u8 opcode = 0, hdr_len = 0; |
1989 | u16 flags = 0, vlan_tci = 0; | |
1990 | int copied, offset, copy_len; | |
af19b491 AKS |
1991 | struct cmd_desc_type0 *hwdesc; |
1992 | struct vlan_ethhdr *vh; | |
036d61f0 AC |
1993 | struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring; |
1994 | u16 protocol = ntohs(skb->protocol); | |
2e9d722d | 1995 | u32 producer = tx_ring->producer; |
036d61f0 AC |
1996 | |
1997 | if (protocol == ETH_P_8021Q) { | |
1998 | vh = (struct vlan_ethhdr *)skb->data; | |
1999 | flags = FLAGS_VLAN_TAGGED; | |
2000 | vlan_tci = vh->h_vlan_TCI; | |
2001 | } else if (vlan_tx_tag_present(skb)) { | |
2002 | flags = FLAGS_VLAN_OOB; | |
2003 | vlan_tci = vlan_tx_tag_get(skb); | |
2004 | } | |
2005 | if (unlikely(adapter->pvid)) { | |
2006 | if (vlan_tci && !(adapter->flags & QLCNIC_TAGGING_ENABLED)) | |
2007 | return -EIO; | |
2008 | if (vlan_tci && (adapter->flags & QLCNIC_TAGGING_ENABLED)) | |
2009 | goto set_flags; | |
2010 | ||
2011 | flags = FLAGS_VLAN_OOB; | |
2012 | vlan_tci = adapter->pvid; | |
2013 | } | |
2014 | set_flags: | |
2015 | qlcnic_set_tx_vlan_tci(first_desc, vlan_tci); | |
2016 | qlcnic_set_tx_flags_opcode(first_desc, flags, opcode); | |
af19b491 | 2017 | |
2e9d722d AC |
2018 | if (*(skb->data) & BIT_0) { |
2019 | flags |= BIT_0; | |
2020 | memcpy(&first_desc->eth_addr, skb->data, ETH_ALEN); | |
2021 | } | |
036d61f0 AC |
2022 | opcode = TX_ETHER_PKT; |
2023 | if ((adapter->netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) && | |
af19b491 AKS |
2024 | skb_shinfo(skb)->gso_size > 0) { |
2025 | ||
2026 | hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); | |
2027 | ||
2028 | first_desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size); | |
2029 | first_desc->total_hdr_length = hdr_len; | |
036d61f0 AC |
2030 | |
2031 | opcode = (protocol == ETH_P_IPV6) ? TX_TCP_LSO6 : TX_TCP_LSO; | |
2032 | ||
2033 | /* For LSO, we need to copy the MAC/IP/TCP headers into | |
2034 | * the descriptor ring */ | |
2035 | copied = 0; | |
2036 | offset = 2; | |
2037 | ||
2038 | if (flags & FLAGS_VLAN_OOB) { | |
af19b491 AKS |
2039 | first_desc->total_hdr_length += VLAN_HLEN; |
2040 | first_desc->tcp_hdr_offset = VLAN_HLEN; | |
2041 | first_desc->ip_hdr_offset = VLAN_HLEN; | |
2042 | /* Only in case of TSO on vlan device */ | |
2043 | flags |= FLAGS_VLAN_TAGGED; | |
036d61f0 AC |
2044 | |
2045 | /* Create a TSO vlan header template for firmware */ | |
2046 | ||
2047 | hwdesc = &tx_ring->desc_head[producer]; | |
2048 | tx_ring->cmd_buf_arr[producer].skb = NULL; | |
2049 | ||
2050 | copy_len = min((int)sizeof(struct cmd_desc_type0) - | |
2051 | offset, hdr_len + VLAN_HLEN); | |
2052 | ||
2053 | vh = (struct vlan_ethhdr *)((char *) hwdesc + 2); | |
2054 | skb_copy_from_linear_data(skb, vh, 12); | |
2055 | vh->h_vlan_proto = htons(ETH_P_8021Q); | |
2056 | vh->h_vlan_TCI = htons(vlan_tci); | |
2057 | ||
2058 | skb_copy_from_linear_data_offset(skb, 12, | |
2059 | (char *)vh + 16, copy_len - 16); | |
2060 | ||
2061 | copied = copy_len - VLAN_HLEN; | |
2062 | offset = 0; | |
2063 | ||
2064 | producer = get_next_index(producer, tx_ring->num_desc); | |
af19b491 AKS |
2065 | } |
2066 | ||
036d61f0 AC |
2067 | while (copied < hdr_len) { |
2068 | ||
2069 | copy_len = min((int)sizeof(struct cmd_desc_type0) - | |
2070 | offset, (hdr_len - copied)); | |
2071 | ||
2072 | hwdesc = &tx_ring->desc_head[producer]; | |
2073 | tx_ring->cmd_buf_arr[producer].skb = NULL; | |
2074 | ||
2075 | skb_copy_from_linear_data_offset(skb, copied, | |
2076 | (char *) hwdesc + offset, copy_len); | |
2077 | ||
2078 | copied += copy_len; | |
2079 | offset = 0; | |
2080 | ||
2081 | producer = get_next_index(producer, tx_ring->num_desc); | |
2082 | } | |
2083 | ||
2084 | tx_ring->producer = producer; | |
2085 | smp_mb(); | |
2086 | adapter->stats.lso_frames++; | |
af19b491 AKS |
2087 | |
2088 | } else if (skb->ip_summed == CHECKSUM_PARTIAL) { | |
2089 | u8 l4proto; | |
2090 | ||
036d61f0 | 2091 | if (protocol == ETH_P_IP) { |
af19b491 AKS |
2092 | l4proto = ip_hdr(skb)->protocol; |
2093 | ||
2094 | if (l4proto == IPPROTO_TCP) | |
2095 | opcode = TX_TCP_PKT; | |
2096 | else if (l4proto == IPPROTO_UDP) | |
2097 | opcode = TX_UDP_PKT; | |
036d61f0 | 2098 | } else if (protocol == ETH_P_IPV6) { |
af19b491 AKS |
2099 | l4proto = ipv6_hdr(skb)->nexthdr; |
2100 | ||
2101 | if (l4proto == IPPROTO_TCP) | |
2102 | opcode = TX_TCPV6_PKT; | |
2103 | else if (l4proto == IPPROTO_UDP) | |
2104 | opcode = TX_UDPV6_PKT; | |
2105 | } | |
2106 | } | |
af19b491 AKS |
2107 | first_desc->tcp_hdr_offset += skb_transport_offset(skb); |
2108 | first_desc->ip_hdr_offset += skb_network_offset(skb); | |
2109 | qlcnic_set_tx_flags_opcode(first_desc, flags, opcode); | |
2110 | ||
036d61f0 | 2111 | return 0; |
af19b491 AKS |
2112 | } |
2113 | ||
2114 | static int | |
2115 | qlcnic_map_tx_skb(struct pci_dev *pdev, | |
2116 | struct sk_buff *skb, struct qlcnic_cmd_buffer *pbuf) | |
2117 | { | |
2118 | struct qlcnic_skb_frag *nf; | |
2119 | struct skb_frag_struct *frag; | |
2120 | int i, nr_frags; | |
2121 | dma_addr_t map; | |
2122 | ||
2123 | nr_frags = skb_shinfo(skb)->nr_frags; | |
2124 | nf = &pbuf->frag_array[0]; | |
2125 | ||
2126 | map = pci_map_single(pdev, skb->data, | |
2127 | skb_headlen(skb), PCI_DMA_TODEVICE); | |
2128 | if (pci_dma_mapping_error(pdev, map)) | |
2129 | goto out_err; | |
2130 | ||
2131 | nf->dma = map; | |
2132 | nf->length = skb_headlen(skb); | |
2133 | ||
2134 | for (i = 0; i < nr_frags; i++) { | |
2135 | frag = &skb_shinfo(skb)->frags[i]; | |
2136 | nf = &pbuf->frag_array[i+1]; | |
2137 | ||
9e903e08 | 2138 | map = skb_frag_dma_map(&pdev->dev, frag, 0, skb_frag_size(frag), |
5d6bcdfe IC |
2139 | DMA_TO_DEVICE); |
2140 | if (dma_mapping_error(&pdev->dev, map)) | |
af19b491 AKS |
2141 | goto unwind; |
2142 | ||
2143 | nf->dma = map; | |
9e903e08 | 2144 | nf->length = skb_frag_size(frag); |
af19b491 AKS |
2145 | } |
2146 | ||
2147 | return 0; | |
2148 | ||
2149 | unwind: | |
2150 | while (--i >= 0) { | |
2151 | nf = &pbuf->frag_array[i+1]; | |
2152 | pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE); | |
2153 | } | |
2154 | ||
2155 | nf = &pbuf->frag_array[0]; | |
2156 | pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE); | |
2157 | ||
2158 | out_err: | |
2159 | return -ENOMEM; | |
2160 | } | |
2161 | ||
036d61f0 AC |
2162 | static void |
2163 | qlcnic_unmap_buffers(struct pci_dev *pdev, struct sk_buff *skb, | |
2164 | struct qlcnic_cmd_buffer *pbuf) | |
8cf61f89 | 2165 | { |
036d61f0 AC |
2166 | struct qlcnic_skb_frag *nf = &pbuf->frag_array[0]; |
2167 | int nr_frags = skb_shinfo(skb)->nr_frags; | |
2168 | int i; | |
8cf61f89 | 2169 | |
036d61f0 AC |
2170 | for (i = 0; i < nr_frags; i++) { |
2171 | nf = &pbuf->frag_array[i+1]; | |
2172 | pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE); | |
8cf61f89 | 2173 | } |
8cf61f89 | 2174 | |
036d61f0 AC |
2175 | nf = &pbuf->frag_array[0]; |
2176 | pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE); | |
5b446c6a | 2177 | pbuf->skb = NULL; |
8cf61f89 AKS |
2178 | } |
2179 | ||
af19b491 AKS |
2180 | static inline void |
2181 | qlcnic_clear_cmddesc(u64 *desc) | |
2182 | { | |
2183 | desc[0] = 0ULL; | |
2184 | desc[2] = 0ULL; | |
8cf61f89 | 2185 | desc[7] = 0ULL; |
af19b491 AKS |
2186 | } |
2187 | ||
cdaff185 | 2188 | netdev_tx_t |
af19b491 AKS |
2189 | qlcnic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) |
2190 | { | |
2191 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
2192 | struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring; | |
2193 | struct qlcnic_cmd_buffer *pbuf; | |
2194 | struct qlcnic_skb_frag *buffrag; | |
2195 | struct cmd_desc_type0 *hwdesc, *first_desc; | |
2196 | struct pci_dev *pdev; | |
dcb50aff | 2197 | struct ethhdr *phdr; |
91a403ca | 2198 | int delta = 0; |
af19b491 AKS |
2199 | int i, k; |
2200 | ||
2201 | u32 producer; | |
036d61f0 | 2202 | int frag_count; |
af19b491 AKS |
2203 | u32 num_txd = tx_ring->num_desc; |
2204 | ||
780ab790 AKS |
2205 | if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) { |
2206 | netif_stop_queue(netdev); | |
2207 | return NETDEV_TX_BUSY; | |
2208 | } | |
2209 | ||
fe4d434d | 2210 | if (adapter->flags & QLCNIC_MACSPOOF) { |
dcb50aff RB |
2211 | phdr = (struct ethhdr *)skb->data; |
2212 | if (compare_ether_addr(phdr->h_source, | |
fe4d434d SC |
2213 | adapter->mac_addr)) |
2214 | goto drop_packet; | |
2215 | } | |
2216 | ||
af19b491 | 2217 | frag_count = skb_shinfo(skb)->nr_frags + 1; |
91a403ca AKS |
2218 | /* 14 frags supported for normal packet and |
2219 | * 32 frags supported for TSO packet | |
2220 | */ | |
2221 | if (!skb_is_gso(skb) && frag_count > QLCNIC_MAX_FRAGS_PER_TX) { | |
2222 | ||
2223 | for (i = 0; i < (frag_count - QLCNIC_MAX_FRAGS_PER_TX); i++) | |
9e903e08 | 2224 | delta += skb_frag_size(&skb_shinfo(skb)->frags[i]); |
91a403ca AKS |
2225 | |
2226 | if (!__pskb_pull_tail(skb, delta)) | |
2227 | goto drop_packet; | |
2228 | ||
2229 | frag_count = 1 + skb_shinfo(skb)->nr_frags; | |
2230 | } | |
af19b491 | 2231 | |
ef71ff83 | 2232 | if (unlikely(qlcnic_tx_avail(tx_ring) <= TX_STOP_THRESH)) { |
af19b491 | 2233 | netif_stop_queue(netdev); |
ef71ff83 RB |
2234 | if (qlcnic_tx_avail(tx_ring) > TX_STOP_THRESH) |
2235 | netif_start_queue(netdev); | |
2236 | else { | |
2237 | adapter->stats.xmit_off++; | |
2238 | return NETDEV_TX_BUSY; | |
2239 | } | |
af19b491 AKS |
2240 | } |
2241 | ||
2242 | producer = tx_ring->producer; | |
2243 | pbuf = &tx_ring->cmd_buf_arr[producer]; | |
2244 | ||
2245 | pdev = adapter->pdev; | |
2246 | ||
8cf61f89 AKS |
2247 | first_desc = hwdesc = &tx_ring->desc_head[producer]; |
2248 | qlcnic_clear_cmddesc((u64 *)hwdesc); | |
2249 | ||
8ae6df97 AKS |
2250 | if (qlcnic_map_tx_skb(pdev, skb, pbuf)) { |
2251 | adapter->stats.tx_dma_map_error++; | |
af19b491 | 2252 | goto drop_packet; |
8ae6df97 | 2253 | } |
af19b491 AKS |
2254 | |
2255 | pbuf->skb = skb; | |
2256 | pbuf->frag_count = frag_count; | |
2257 | ||
af19b491 AKS |
2258 | qlcnic_set_tx_frags_len(first_desc, frag_count, skb->len); |
2259 | qlcnic_set_tx_port(first_desc, adapter->portnum); | |
2260 | ||
2261 | for (i = 0; i < frag_count; i++) { | |
2262 | ||
2263 | k = i % 4; | |
2264 | ||
2265 | if ((k == 0) && (i > 0)) { | |
2266 | /* move to next desc.*/ | |
2267 | producer = get_next_index(producer, num_txd); | |
2268 | hwdesc = &tx_ring->desc_head[producer]; | |
2269 | qlcnic_clear_cmddesc((u64 *)hwdesc); | |
2270 | tx_ring->cmd_buf_arr[producer].skb = NULL; | |
2271 | } | |
2272 | ||
2273 | buffrag = &pbuf->frag_array[i]; | |
2274 | ||
2275 | hwdesc->buffer_length[k] = cpu_to_le16(buffrag->length); | |
2276 | switch (k) { | |
2277 | case 0: | |
2278 | hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma); | |
2279 | break; | |
2280 | case 1: | |
2281 | hwdesc->addr_buffer2 = cpu_to_le64(buffrag->dma); | |
2282 | break; | |
2283 | case 2: | |
2284 | hwdesc->addr_buffer3 = cpu_to_le64(buffrag->dma); | |
2285 | break; | |
2286 | case 3: | |
2287 | hwdesc->addr_buffer4 = cpu_to_le64(buffrag->dma); | |
2288 | break; | |
2289 | } | |
2290 | } | |
2291 | ||
2292 | tx_ring->producer = get_next_index(producer, num_txd); | |
036d61f0 | 2293 | smp_mb(); |
af19b491 | 2294 | |
036d61f0 AC |
2295 | if (unlikely(qlcnic_tx_pkt(adapter, first_desc, skb))) |
2296 | goto unwind_buff; | |
af19b491 | 2297 | |
e5dcf6dc | 2298 | if (adapter->mac_learn) |
b5e5492c AKS |
2299 | qlcnic_send_filter(adapter, tx_ring, first_desc, skb); |
2300 | ||
af19b491 AKS |
2301 | adapter->stats.txbytes += skb->len; |
2302 | adapter->stats.xmitcalled++; | |
2303 | ||
f127f472 SC |
2304 | qlcnic_update_cmd_producer(adapter, tx_ring); |
2305 | ||
af19b491 AKS |
2306 | return NETDEV_TX_OK; |
2307 | ||
036d61f0 AC |
2308 | unwind_buff: |
2309 | qlcnic_unmap_buffers(pdev, skb, pbuf); | |
af19b491 AKS |
2310 | drop_packet: |
2311 | adapter->stats.txdropped++; | |
2312 | dev_kfree_skb_any(skb); | |
2313 | return NETDEV_TX_OK; | |
2314 | } | |
2315 | ||
2316 | static int qlcnic_check_temp(struct qlcnic_adapter *adapter) | |
2317 | { | |
2318 | struct net_device *netdev = adapter->netdev; | |
2319 | u32 temp, temp_state, temp_val; | |
2320 | int rv = 0; | |
2321 | ||
2322 | temp = QLCRD32(adapter, CRB_TEMP_STATE); | |
2323 | ||
2324 | temp_state = qlcnic_get_temp_state(temp); | |
2325 | temp_val = qlcnic_get_temp_val(temp); | |
2326 | ||
2327 | if (temp_state == QLCNIC_TEMP_PANIC) { | |
2328 | dev_err(&netdev->dev, | |
2329 | "Device temperature %d degrees C exceeds" | |
2330 | " maximum allowed. Hardware has been shut down.\n", | |
2331 | temp_val); | |
2332 | rv = 1; | |
2333 | } else if (temp_state == QLCNIC_TEMP_WARN) { | |
2334 | if (adapter->temp == QLCNIC_TEMP_NORMAL) { | |
2335 | dev_err(&netdev->dev, | |
2336 | "Device temperature %d degrees C " | |
2337 | "exceeds operating range." | |
2338 | " Immediate action needed.\n", | |
2339 | temp_val); | |
2340 | } | |
2341 | } else { | |
2342 | if (adapter->temp == QLCNIC_TEMP_WARN) { | |
2343 | dev_info(&netdev->dev, | |
2344 | "Device temperature is now %d degrees C" | |
2345 | " in normal range.\n", temp_val); | |
2346 | } | |
2347 | } | |
2348 | adapter->temp = temp_state; | |
2349 | return rv; | |
2350 | } | |
2351 | ||
2352 | void qlcnic_advert_link_change(struct qlcnic_adapter *adapter, int linkup) | |
2353 | { | |
2354 | struct net_device *netdev = adapter->netdev; | |
2355 | ||
b1fc6d3c | 2356 | if (adapter->ahw->linkup && !linkup) { |
69324275 | 2357 | netdev_info(netdev, "NIC Link is down\n"); |
b1fc6d3c | 2358 | adapter->ahw->linkup = 0; |
af19b491 AKS |
2359 | if (netif_running(netdev)) { |
2360 | netif_carrier_off(netdev); | |
2361 | netif_stop_queue(netdev); | |
2362 | } | |
b1fc6d3c | 2363 | } else if (!adapter->ahw->linkup && linkup) { |
69324275 | 2364 | netdev_info(netdev, "NIC Link is up\n"); |
b1fc6d3c | 2365 | adapter->ahw->linkup = 1; |
af19b491 AKS |
2366 | if (netif_running(netdev)) { |
2367 | netif_carrier_on(netdev); | |
2368 | netif_wake_queue(netdev); | |
2369 | } | |
2370 | } | |
2371 | } | |
2372 | ||
2373 | static void qlcnic_tx_timeout(struct net_device *netdev) | |
2374 | { | |
2375 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
2376 | ||
2377 | if (test_bit(__QLCNIC_RESETTING, &adapter->state)) | |
2378 | return; | |
2379 | ||
2380 | dev_err(&netdev->dev, "transmit timeout, resetting.\n"); | |
af19b491 AKS |
2381 | |
2382 | if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) | |
68bf1c68 AKS |
2383 | adapter->need_fw_reset = 1; |
2384 | else | |
2385 | adapter->reset_context = 1; | |
af19b491 AKS |
2386 | } |
2387 | ||
2388 | static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev) | |
2389 | { | |
2390 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
2391 | struct net_device_stats *stats = &netdev->stats; | |
2392 | ||
af19b491 AKS |
2393 | stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; |
2394 | stats->tx_packets = adapter->stats.xmitfinished; | |
7e382594 | 2395 | stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes; |
af19b491 AKS |
2396 | stats->tx_bytes = adapter->stats.txbytes; |
2397 | stats->rx_dropped = adapter->stats.rxdropped; | |
2398 | stats->tx_dropped = adapter->stats.txdropped; | |
2399 | ||
2400 | return stats; | |
2401 | } | |
2402 | ||
7eb9855d | 2403 | static irqreturn_t qlcnic_clear_legacy_intr(struct qlcnic_adapter *adapter) |
af19b491 | 2404 | { |
af19b491 AKS |
2405 | u32 status; |
2406 | ||
2407 | status = readl(adapter->isr_int_vec); | |
2408 | ||
2409 | if (!(status & adapter->int_vec_bit)) | |
2410 | return IRQ_NONE; | |
2411 | ||
2412 | /* check interrupt state machine, to be sure */ | |
2413 | status = readl(adapter->crb_int_state_reg); | |
2414 | if (!ISR_LEGACY_INT_TRIGGERED(status)) | |
2415 | return IRQ_NONE; | |
2416 | ||
2417 | writel(0xffffffff, adapter->tgt_status_reg); | |
2418 | /* read twice to ensure write is flushed */ | |
2419 | readl(adapter->isr_int_vec); | |
2420 | readl(adapter->isr_int_vec); | |
2421 | ||
7eb9855d AKS |
2422 | return IRQ_HANDLED; |
2423 | } | |
2424 | ||
2425 | static irqreturn_t qlcnic_tmp_intr(int irq, void *data) | |
2426 | { | |
2427 | struct qlcnic_host_sds_ring *sds_ring = data; | |
2428 | struct qlcnic_adapter *adapter = sds_ring->adapter; | |
2429 | ||
2430 | if (adapter->flags & QLCNIC_MSIX_ENABLED) | |
2431 | goto done; | |
2432 | else if (adapter->flags & QLCNIC_MSI_ENABLED) { | |
2433 | writel(0xffffffff, adapter->tgt_status_reg); | |
2434 | goto done; | |
2435 | } | |
2436 | ||
2437 | if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) | |
2438 | return IRQ_NONE; | |
2439 | ||
2440 | done: | |
2441 | adapter->diag_cnt++; | |
2442 | qlcnic_enable_int(sds_ring); | |
2443 | return IRQ_HANDLED; | |
2444 | } | |
2445 | ||
2446 | static irqreturn_t qlcnic_intr(int irq, void *data) | |
2447 | { | |
2448 | struct qlcnic_host_sds_ring *sds_ring = data; | |
2449 | struct qlcnic_adapter *adapter = sds_ring->adapter; | |
2450 | ||
2451 | if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) | |
2452 | return IRQ_NONE; | |
2453 | ||
af19b491 AKS |
2454 | napi_schedule(&sds_ring->napi); |
2455 | ||
2456 | return IRQ_HANDLED; | |
2457 | } | |
2458 | ||
2459 | static irqreturn_t qlcnic_msi_intr(int irq, void *data) | |
2460 | { | |
2461 | struct qlcnic_host_sds_ring *sds_ring = data; | |
2462 | struct qlcnic_adapter *adapter = sds_ring->adapter; | |
2463 | ||
2464 | /* clear interrupt */ | |
2465 | writel(0xffffffff, adapter->tgt_status_reg); | |
2466 | ||
2467 | napi_schedule(&sds_ring->napi); | |
2468 | return IRQ_HANDLED; | |
2469 | } | |
2470 | ||
2471 | static irqreturn_t qlcnic_msix_intr(int irq, void *data) | |
2472 | { | |
2473 | struct qlcnic_host_sds_ring *sds_ring = data; | |
2474 | ||
2475 | napi_schedule(&sds_ring->napi); | |
2476 | return IRQ_HANDLED; | |
2477 | } | |
2478 | ||
2479 | static int qlcnic_process_cmd_ring(struct qlcnic_adapter *adapter) | |
2480 | { | |
2481 | u32 sw_consumer, hw_consumer; | |
2482 | int count = 0, i; | |
2483 | struct qlcnic_cmd_buffer *buffer; | |
2484 | struct pci_dev *pdev = adapter->pdev; | |
2485 | struct net_device *netdev = adapter->netdev; | |
2486 | struct qlcnic_skb_frag *frag; | |
2487 | int done; | |
2488 | struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring; | |
2489 | ||
2490 | if (!spin_trylock(&adapter->tx_clean_lock)) | |
2491 | return 1; | |
2492 | ||
2493 | sw_consumer = tx_ring->sw_consumer; | |
2494 | hw_consumer = le32_to_cpu(*(tx_ring->hw_consumer)); | |
2495 | ||
2496 | while (sw_consumer != hw_consumer) { | |
2497 | buffer = &tx_ring->cmd_buf_arr[sw_consumer]; | |
2498 | if (buffer->skb) { | |
2499 | frag = &buffer->frag_array[0]; | |
2500 | pci_unmap_single(pdev, frag->dma, frag->length, | |
2501 | PCI_DMA_TODEVICE); | |
2502 | frag->dma = 0ULL; | |
2503 | for (i = 1; i < buffer->frag_count; i++) { | |
2504 | frag++; | |
2505 | pci_unmap_page(pdev, frag->dma, frag->length, | |
2506 | PCI_DMA_TODEVICE); | |
2507 | frag->dma = 0ULL; | |
2508 | } | |
2509 | ||
2510 | adapter->stats.xmitfinished++; | |
2511 | dev_kfree_skb_any(buffer->skb); | |
2512 | buffer->skb = NULL; | |
2513 | } | |
2514 | ||
2515 | sw_consumer = get_next_index(sw_consumer, tx_ring->num_desc); | |
2516 | if (++count >= MAX_STATUS_HANDLE) | |
2517 | break; | |
2518 | } | |
2519 | ||
2520 | if (count && netif_running(netdev)) { | |
2521 | tx_ring->sw_consumer = sw_consumer; | |
2522 | ||
2523 | smp_mb(); | |
2524 | ||
2525 | if (netif_queue_stopped(netdev) && netif_carrier_ok(netdev)) { | |
af19b491 AKS |
2526 | if (qlcnic_tx_avail(tx_ring) > TX_STOP_THRESH) { |
2527 | netif_wake_queue(netdev); | |
8bfe8b91 | 2528 | adapter->stats.xmit_on++; |
af19b491 | 2529 | } |
af19b491 | 2530 | } |
ef71ff83 | 2531 | adapter->tx_timeo_cnt = 0; |
af19b491 AKS |
2532 | } |
2533 | /* | |
2534 | * If everything is freed up to consumer then check if the ring is full | |
2535 | * If the ring is full then check if more needs to be freed and | |
2536 | * schedule the call back again. | |
2537 | * | |
2538 | * This happens when there are 2 CPUs. One could be freeing and the | |
2539 | * other filling it. If the ring is full when we get out of here and | |
2540 | * the card has already interrupted the host then the host can miss the | |
2541 | * interrupt. | |
2542 | * | |
2543 | * There is still a possible race condition and the host could miss an | |
2544 | * interrupt. The card has to take care of this. | |
2545 | */ | |
2546 | hw_consumer = le32_to_cpu(*(tx_ring->hw_consumer)); | |
2547 | done = (sw_consumer == hw_consumer); | |
2548 | spin_unlock(&adapter->tx_clean_lock); | |
2549 | ||
2550 | return done; | |
2551 | } | |
2552 | ||
2553 | static int qlcnic_poll(struct napi_struct *napi, int budget) | |
2554 | { | |
2555 | struct qlcnic_host_sds_ring *sds_ring = | |
2556 | container_of(napi, struct qlcnic_host_sds_ring, napi); | |
2557 | ||
2558 | struct qlcnic_adapter *adapter = sds_ring->adapter; | |
2559 | ||
2560 | int tx_complete; | |
2561 | int work_done; | |
2562 | ||
2563 | tx_complete = qlcnic_process_cmd_ring(adapter); | |
2564 | ||
2565 | work_done = qlcnic_process_rcv_ring(sds_ring, budget); | |
2566 | ||
2567 | if ((work_done < budget) && tx_complete) { | |
2568 | napi_complete(&sds_ring->napi); | |
2569 | if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) | |
2570 | qlcnic_enable_int(sds_ring); | |
2571 | } | |
2572 | ||
2573 | return work_done; | |
2574 | } | |
2575 | ||
8f891387 | 2576 | static int qlcnic_rx_poll(struct napi_struct *napi, int budget) |
2577 | { | |
2578 | struct qlcnic_host_sds_ring *sds_ring = | |
2579 | container_of(napi, struct qlcnic_host_sds_ring, napi); | |
2580 | ||
2581 | struct qlcnic_adapter *adapter = sds_ring->adapter; | |
2582 | int work_done; | |
2583 | ||
2584 | work_done = qlcnic_process_rcv_ring(sds_ring, budget); | |
2585 | ||
2586 | if (work_done < budget) { | |
2587 | napi_complete(&sds_ring->napi); | |
2588 | if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) | |
2589 | qlcnic_enable_int(sds_ring); | |
2590 | } | |
2591 | ||
2592 | return work_done; | |
2593 | } | |
2594 | ||
af19b491 AKS |
2595 | #ifdef CONFIG_NET_POLL_CONTROLLER |
2596 | static void qlcnic_poll_controller(struct net_device *netdev) | |
2597 | { | |
bf82791e YL |
2598 | int ring; |
2599 | struct qlcnic_host_sds_ring *sds_ring; | |
af19b491 | 2600 | struct qlcnic_adapter *adapter = netdev_priv(netdev); |
b1fc6d3c | 2601 | struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; |
bf82791e | 2602 | |
af19b491 | 2603 | disable_irq(adapter->irq); |
bf82791e YL |
2604 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
2605 | sds_ring = &recv_ctx->sds_rings[ring]; | |
2606 | qlcnic_intr(adapter->irq, sds_ring); | |
2607 | } | |
af19b491 AKS |
2608 | enable_irq(adapter->irq); |
2609 | } | |
2610 | #endif | |
2611 | ||
6df900e9 SC |
2612 | static void |
2613 | qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding) | |
2614 | { | |
2615 | u32 val; | |
2616 | ||
2617 | val = adapter->portnum & 0xf; | |
2618 | val |= encoding << 7; | |
2619 | val |= (jiffies - adapter->dev_rst_time) << 8; | |
2620 | ||
2621 | QLCWR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val); | |
2622 | adapter->dev_rst_time = jiffies; | |
2623 | } | |
2624 | ||
ade91f8e AKS |
2625 | static int |
2626 | qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state) | |
af19b491 AKS |
2627 | { |
2628 | u32 val; | |
2629 | ||
2630 | WARN_ON(state != QLCNIC_DEV_NEED_RESET && | |
2631 | state != QLCNIC_DEV_NEED_QUISCENT); | |
2632 | ||
2633 | if (qlcnic_api_lock(adapter)) | |
ade91f8e | 2634 | return -EIO; |
af19b491 AKS |
2635 | |
2636 | val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); | |
2637 | ||
2638 | if (state == QLCNIC_DEV_NEED_RESET) | |
6d2a4724 | 2639 | QLC_DEV_SET_RST_RDY(val, adapter->portnum); |
af19b491 | 2640 | else if (state == QLCNIC_DEV_NEED_QUISCENT) |
6d2a4724 | 2641 | QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum); |
af19b491 AKS |
2642 | |
2643 | QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); | |
2644 | ||
2645 | qlcnic_api_unlock(adapter); | |
ade91f8e AKS |
2646 | |
2647 | return 0; | |
af19b491 AKS |
2648 | } |
2649 | ||
1b95a839 AKS |
2650 | static int |
2651 | qlcnic_clr_drv_state(struct qlcnic_adapter *adapter) | |
2652 | { | |
2653 | u32 val; | |
2654 | ||
2655 | if (qlcnic_api_lock(adapter)) | |
2656 | return -EBUSY; | |
2657 | ||
2658 | val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); | |
6d2a4724 | 2659 | QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); |
1b95a839 AKS |
2660 | QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); |
2661 | ||
2662 | qlcnic_api_unlock(adapter); | |
2663 | ||
2664 | return 0; | |
2665 | } | |
2666 | ||
af19b491 | 2667 | static void |
21854f02 | 2668 | qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed) |
af19b491 AKS |
2669 | { |
2670 | u32 val; | |
2671 | ||
2672 | if (qlcnic_api_lock(adapter)) | |
2673 | goto err; | |
2674 | ||
31018e06 | 2675 | val = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE); |
6d2a4724 | 2676 | QLC_DEV_CLR_REF_CNT(val, adapter->portnum); |
31018e06 | 2677 | QLCWR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); |
af19b491 | 2678 | |
21854f02 AKS |
2679 | if (failed) { |
2680 | QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED); | |
2681 | dev_info(&adapter->pdev->dev, | |
2682 | "Device state set to Failed. Please Reboot\n"); | |
2683 | } else if (!(val & 0x11111111)) | |
af19b491 AKS |
2684 | QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_COLD); |
2685 | ||
2686 | val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); | |
6d2a4724 | 2687 | QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); |
af19b491 AKS |
2688 | QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); |
2689 | ||
2690 | qlcnic_api_unlock(adapter); | |
2691 | err: | |
2692 | adapter->fw_fail_cnt = 0; | |
032a13c7 | 2693 | adapter->flags &= ~QLCNIC_FW_HANG; |
af19b491 AKS |
2694 | clear_bit(__QLCNIC_START_FW, &adapter->state); |
2695 | clear_bit(__QLCNIC_RESETTING, &adapter->state); | |
2696 | } | |
2697 | ||
f73dfc50 | 2698 | /* Grab api lock, before checking state */ |
af19b491 AKS |
2699 | static int |
2700 | qlcnic_check_drv_state(struct qlcnic_adapter *adapter) | |
2701 | { | |
602ca6f0 | 2702 | int act, state, active_mask; |
af19b491 AKS |
2703 | |
2704 | state = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); | |
31018e06 | 2705 | act = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE); |
af19b491 | 2706 | |
602ca6f0 SV |
2707 | if (adapter->flags & QLCNIC_FW_RESET_OWNER) { |
2708 | active_mask = (~(1 << (adapter->ahw->pci_func * 4))); | |
2709 | act = act & active_mask; | |
2710 | } | |
2711 | ||
af19b491 AKS |
2712 | if (((state & 0x11111111) == (act & 0x11111111)) || |
2713 | ((act & 0x11111111) == ((state >> 1) & 0x11111111))) | |
2714 | return 0; | |
2715 | else | |
2716 | return 1; | |
2717 | } | |
2718 | ||
96f8118c SC |
2719 | static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter) |
2720 | { | |
2721 | u32 val = QLCRD32(adapter, QLCNIC_CRB_DRV_IDC_VER); | |
2722 | ||
2723 | if (val != QLCNIC_DRV_IDC_VER) { | |
2724 | dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's" | |
2725 | " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val); | |
2726 | } | |
2727 | ||
2728 | return 0; | |
2729 | } | |
2730 | ||
af19b491 AKS |
2731 | static int |
2732 | qlcnic_can_start_firmware(struct qlcnic_adapter *adapter) | |
2733 | { | |
2734 | u32 val, prev_state; | |
aa5e18c0 | 2735 | u8 dev_init_timeo = adapter->dev_init_timeo; |
6d2a4724 | 2736 | u8 portnum = adapter->portnum; |
96f8118c | 2737 | u8 ret; |
af19b491 | 2738 | |
f73dfc50 AKS |
2739 | if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state)) |
2740 | return 1; | |
2741 | ||
af19b491 AKS |
2742 | if (qlcnic_api_lock(adapter)) |
2743 | return -1; | |
2744 | ||
31018e06 | 2745 | val = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE); |
6d2a4724 AKS |
2746 | if (!(val & (1 << (portnum * 4)))) { |
2747 | QLC_DEV_SET_REF_CNT(val, portnum); | |
31018e06 | 2748 | QLCWR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); |
af19b491 AKS |
2749 | } |
2750 | ||
2751 | prev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); | |
65b5b420 | 2752 | QLCDB(adapter, HW, "Device state = %u\n", prev_state); |
af19b491 AKS |
2753 | |
2754 | switch (prev_state) { | |
2755 | case QLCNIC_DEV_COLD: | |
bbd8c6a4 | 2756 | QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITIALIZING); |
96f8118c | 2757 | QLCWR32(adapter, QLCNIC_CRB_DRV_IDC_VER, QLCNIC_DRV_IDC_VER); |
6df900e9 | 2758 | qlcnic_idc_debug_info(adapter, 0); |
af19b491 AKS |
2759 | qlcnic_api_unlock(adapter); |
2760 | return 1; | |
2761 | ||
2762 | case QLCNIC_DEV_READY: | |
96f8118c | 2763 | ret = qlcnic_check_idc_ver(adapter); |
af19b491 | 2764 | qlcnic_api_unlock(adapter); |
96f8118c | 2765 | return ret; |
af19b491 AKS |
2766 | |
2767 | case QLCNIC_DEV_NEED_RESET: | |
2768 | val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); | |
6d2a4724 | 2769 | QLC_DEV_SET_RST_RDY(val, portnum); |
af19b491 AKS |
2770 | QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); |
2771 | break; | |
2772 | ||
2773 | case QLCNIC_DEV_NEED_QUISCENT: | |
2774 | val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); | |
6d2a4724 | 2775 | QLC_DEV_SET_QSCNT_RDY(val, portnum); |
af19b491 AKS |
2776 | QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); |
2777 | break; | |
2778 | ||
2779 | case QLCNIC_DEV_FAILED: | |
a7fc948f | 2780 | dev_err(&adapter->pdev->dev, "Device in failed state.\n"); |
af19b491 AKS |
2781 | qlcnic_api_unlock(adapter); |
2782 | return -1; | |
bbd8c6a4 AKS |
2783 | |
2784 | case QLCNIC_DEV_INITIALIZING: | |
2785 | case QLCNIC_DEV_QUISCENT: | |
2786 | break; | |
af19b491 AKS |
2787 | } |
2788 | ||
2789 | qlcnic_api_unlock(adapter); | |
aa5e18c0 SC |
2790 | |
2791 | do { | |
af19b491 | 2792 | msleep(1000); |
a5e463d0 SC |
2793 | prev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); |
2794 | ||
2795 | if (prev_state == QLCNIC_DEV_QUISCENT) | |
2796 | continue; | |
2797 | } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo); | |
af19b491 | 2798 | |
65b5b420 AKS |
2799 | if (!dev_init_timeo) { |
2800 | dev_err(&adapter->pdev->dev, | |
2801 | "Waiting for device to initialize timeout\n"); | |
af19b491 | 2802 | return -1; |
65b5b420 | 2803 | } |
af19b491 AKS |
2804 | |
2805 | if (qlcnic_api_lock(adapter)) | |
2806 | return -1; | |
2807 | ||
2808 | val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); | |
6d2a4724 | 2809 | QLC_DEV_CLR_RST_QSCNT(val, portnum); |
af19b491 AKS |
2810 | QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); |
2811 | ||
96f8118c | 2812 | ret = qlcnic_check_idc_ver(adapter); |
af19b491 AKS |
2813 | qlcnic_api_unlock(adapter); |
2814 | ||
96f8118c | 2815 | return ret; |
af19b491 AKS |
2816 | } |
2817 | ||
2818 | static void | |
2819 | qlcnic_fwinit_work(struct work_struct *work) | |
2820 | { | |
2821 | struct qlcnic_adapter *adapter = container_of(work, | |
2822 | struct qlcnic_adapter, fw_work.work); | |
3c4b23b1 | 2823 | u32 dev_state = 0xf; |
7b749ff4 | 2824 | u32 val; |
af19b491 | 2825 | |
f73dfc50 AKS |
2826 | if (qlcnic_api_lock(adapter)) |
2827 | goto err_ret; | |
af19b491 | 2828 | |
a5e463d0 | 2829 | dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); |
b8c17620 AKS |
2830 | if (dev_state == QLCNIC_DEV_QUISCENT || |
2831 | dev_state == QLCNIC_DEV_NEED_QUISCENT) { | |
a5e463d0 SC |
2832 | qlcnic_api_unlock(adapter); |
2833 | qlcnic_schedule_work(adapter, qlcnic_fwinit_work, | |
2834 | FW_POLL_DELAY * 2); | |
2835 | return; | |
2836 | } | |
2837 | ||
9f26f547 | 2838 | if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC) { |
3c4b23b1 AKS |
2839 | qlcnic_api_unlock(adapter); |
2840 | goto wait_npar; | |
9f26f547 AC |
2841 | } |
2842 | ||
16e3cf73 SV |
2843 | if (dev_state == QLCNIC_DEV_INITIALIZING || |
2844 | dev_state == QLCNIC_DEV_READY) { | |
2845 | dev_info(&adapter->pdev->dev, "Detected state change from " | |
2846 | "DEV_NEED_RESET, skipping ack check\n"); | |
2847 | goto skip_ack_check; | |
2848 | } | |
2849 | ||
f73dfc50 | 2850 | if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) { |
16e3cf73 | 2851 | dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n", |
f73dfc50 AKS |
2852 | adapter->reset_ack_timeo); |
2853 | goto skip_ack_check; | |
2854 | } | |
2855 | ||
2856 | if (!qlcnic_check_drv_state(adapter)) { | |
2857 | skip_ack_check: | |
2858 | dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); | |
a5e463d0 | 2859 | |
f73dfc50 AKS |
2860 | if (dev_state == QLCNIC_DEV_NEED_RESET) { |
2861 | QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, | |
2862 | QLCNIC_DEV_INITIALIZING); | |
2863 | set_bit(__QLCNIC_START_FW, &adapter->state); | |
2864 | QLCDB(adapter, DRV, "Restarting fw\n"); | |
6df900e9 | 2865 | qlcnic_idc_debug_info(adapter, 0); |
7b749ff4 SV |
2866 | val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); |
2867 | QLC_DEV_SET_RST_RDY(val, adapter->portnum); | |
2868 | QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); | |
af19b491 AKS |
2869 | } |
2870 | ||
f73dfc50 AKS |
2871 | qlcnic_api_unlock(adapter); |
2872 | ||
287e38aa | 2873 | rtnl_lock(); |
7b749ff4 SV |
2874 | if (adapter->ahw->fw_dump.enable && |
2875 | (adapter->flags & QLCNIC_FW_RESET_OWNER)) { | |
9d6a6440 AC |
2876 | QLCDB(adapter, DRV, "Take FW dump\n"); |
2877 | qlcnic_dump_fw(adapter); | |
032a13c7 | 2878 | adapter->flags |= QLCNIC_FW_HANG; |
9d6a6440 | 2879 | } |
287e38aa | 2880 | rtnl_unlock(); |
7b749ff4 SV |
2881 | |
2882 | adapter->flags &= ~QLCNIC_FW_RESET_OWNER; | |
9f26f547 | 2883 | if (!adapter->nic_ops->start_firmware(adapter)) { |
af19b491 | 2884 | qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); |
b18971d1 | 2885 | adapter->fw_wait_cnt = 0; |
af19b491 AKS |
2886 | return; |
2887 | } | |
af19b491 AKS |
2888 | goto err_ret; |
2889 | } | |
2890 | ||
f73dfc50 | 2891 | qlcnic_api_unlock(adapter); |
aa5e18c0 | 2892 | |
9f26f547 | 2893 | wait_npar: |
af19b491 | 2894 | dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); |
f73dfc50 | 2895 | QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state); |
65b5b420 | 2896 | |
af19b491 | 2897 | switch (dev_state) { |
3c4b23b1 | 2898 | case QLCNIC_DEV_READY: |
9f26f547 | 2899 | if (!adapter->nic_ops->start_firmware(adapter)) { |
f73dfc50 | 2900 | qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); |
b18971d1 | 2901 | adapter->fw_wait_cnt = 0; |
f73dfc50 AKS |
2902 | return; |
2903 | } | |
3c4b23b1 AKS |
2904 | case QLCNIC_DEV_FAILED: |
2905 | break; | |
2906 | default: | |
2907 | qlcnic_schedule_work(adapter, | |
2908 | qlcnic_fwinit_work, FW_POLL_DELAY); | |
2909 | return; | |
af19b491 AKS |
2910 | } |
2911 | ||
2912 | err_ret: | |
f73dfc50 AKS |
2913 | dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u " |
2914 | "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt); | |
34ce3626 | 2915 | netif_device_attach(adapter->netdev); |
21854f02 | 2916 | qlcnic_clr_all_drv_state(adapter, 0); |
af19b491 AKS |
2917 | } |
2918 | ||
2919 | static void | |
2920 | qlcnic_detach_work(struct work_struct *work) | |
2921 | { | |
2922 | struct qlcnic_adapter *adapter = container_of(work, | |
2923 | struct qlcnic_adapter, fw_work.work); | |
2924 | struct net_device *netdev = adapter->netdev; | |
2925 | u32 status; | |
2926 | ||
2927 | netif_device_detach(netdev); | |
2928 | ||
b8c17620 AKS |
2929 | /* Dont grab rtnl lock during Quiscent mode */ |
2930 | if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) { | |
2931 | if (netif_running(netdev)) | |
2932 | __qlcnic_down(adapter, netdev); | |
2933 | } else | |
2934 | qlcnic_down(adapter, netdev); | |
af19b491 | 2935 | |
af19b491 AKS |
2936 | status = QLCRD32(adapter, QLCNIC_PEG_HALT_STATUS1); |
2937 | ||
44f65b29 SC |
2938 | if (status & QLCNIC_RCODE_FATAL_ERROR) { |
2939 | dev_err(&adapter->pdev->dev, | |
2940 | "Detaching the device: peg halt status1=0x%x\n", | |
2941 | status); | |
2942 | ||
2943 | if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) { | |
2944 | dev_err(&adapter->pdev->dev, | |
2945 | "On board active cooling fan failed. " | |
2946 | "Device has been halted.\n"); | |
2947 | dev_err(&adapter->pdev->dev, | |
2948 | "Replace the adapter.\n"); | |
2949 | } | |
2950 | ||
af19b491 | 2951 | goto err_ret; |
44f65b29 | 2952 | } |
af19b491 | 2953 | |
44f65b29 SC |
2954 | if (adapter->temp == QLCNIC_TEMP_PANIC) { |
2955 | dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n", | |
2956 | adapter->temp); | |
af19b491 | 2957 | goto err_ret; |
44f65b29 SC |
2958 | } |
2959 | ||
602ca6f0 SV |
2960 | /* Dont ack if this instance is the reset owner */ |
2961 | if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) { | |
44f65b29 SC |
2962 | if (qlcnic_set_drv_state(adapter, adapter->dev_state)) { |
2963 | dev_err(&adapter->pdev->dev, | |
2964 | "Failed to set driver state," | |
2965 | "detaching the device.\n"); | |
602ca6f0 | 2966 | goto err_ret; |
44f65b29 | 2967 | } |
602ca6f0 | 2968 | } |
af19b491 AKS |
2969 | |
2970 | adapter->fw_wait_cnt = 0; | |
2971 | ||
2972 | qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY); | |
2973 | ||
2974 | return; | |
2975 | ||
2976 | err_ret: | |
34ce3626 | 2977 | netif_device_attach(netdev); |
21854f02 | 2978 | qlcnic_clr_all_drv_state(adapter, 1); |
af19b491 AKS |
2979 | } |
2980 | ||
3c4b23b1 AKS |
2981 | /*Transit NPAR state to NON Operational */ |
2982 | static void | |
2983 | qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter) | |
2984 | { | |
2985 | u32 state; | |
2986 | ||
2987 | state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); | |
2988 | if (state == QLCNIC_DEV_NPAR_NON_OPER) | |
2989 | return; | |
2990 | ||
2991 | if (qlcnic_api_lock(adapter)) | |
2992 | return; | |
2993 | QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_NON_OPER); | |
2994 | qlcnic_api_unlock(adapter); | |
2995 | } | |
2996 | ||
f73dfc50 | 2997 | /*Transit to RESET state from READY state only */ |
18f2f616 | 2998 | void |
af19b491 AKS |
2999 | qlcnic_dev_request_reset(struct qlcnic_adapter *adapter) |
3000 | { | |
3001 | u32 state; | |
3002 | ||
cea8975e | 3003 | adapter->need_fw_reset = 1; |
af19b491 AKS |
3004 | if (qlcnic_api_lock(adapter)) |
3005 | return; | |
3006 | ||
3007 | state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); | |
3008 | ||
f73dfc50 | 3009 | if (state == QLCNIC_DEV_READY) { |
af19b491 | 3010 | QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_NEED_RESET); |
602ca6f0 | 3011 | adapter->flags |= QLCNIC_FW_RESET_OWNER; |
65b5b420 | 3012 | QLCDB(adapter, DRV, "NEED_RESET state set\n"); |
6df900e9 | 3013 | qlcnic_idc_debug_info(adapter, 0); |
af19b491 AKS |
3014 | } |
3015 | ||
3c4b23b1 | 3016 | QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_NON_OPER); |
af19b491 AKS |
3017 | qlcnic_api_unlock(adapter); |
3018 | } | |
3019 | ||
9f26f547 AC |
3020 | /* Transit to NPAR READY state from NPAR NOT READY state */ |
3021 | static void | |
3022 | qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter) | |
3023 | { | |
9f26f547 AC |
3024 | if (qlcnic_api_lock(adapter)) |
3025 | return; | |
3026 | ||
3c4b23b1 AKS |
3027 | QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_OPER); |
3028 | QLCDB(adapter, DRV, "NPAR operational state set\n"); | |
9f26f547 AC |
3029 | |
3030 | qlcnic_api_unlock(adapter); | |
3031 | } | |
3032 | ||
af19b491 AKS |
3033 | static void |
3034 | qlcnic_schedule_work(struct qlcnic_adapter *adapter, | |
3035 | work_func_t func, int delay) | |
3036 | { | |
451724c8 SC |
3037 | if (test_bit(__QLCNIC_AER, &adapter->state)) |
3038 | return; | |
3039 | ||
af19b491 | 3040 | INIT_DELAYED_WORK(&adapter->fw_work, func); |
f7ec804a AKS |
3041 | queue_delayed_work(qlcnic_wq, &adapter->fw_work, |
3042 | round_jiffies_relative(delay)); | |
af19b491 AKS |
3043 | } |
3044 | ||
3045 | static void | |
3046 | qlcnic_cancel_fw_work(struct qlcnic_adapter *adapter) | |
3047 | { | |
3048 | while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) | |
3049 | msleep(10); | |
3050 | ||
3051 | cancel_delayed_work_sync(&adapter->fw_work); | |
3052 | } | |
3053 | ||
3054 | static void | |
3055 | qlcnic_attach_work(struct work_struct *work) | |
3056 | { | |
3057 | struct qlcnic_adapter *adapter = container_of(work, | |
3058 | struct qlcnic_adapter, fw_work.work); | |
3059 | struct net_device *netdev = adapter->netdev; | |
b18971d1 | 3060 | u32 npar_state; |
af19b491 | 3061 | |
b18971d1 AKS |
3062 | if (adapter->op_mode != QLCNIC_MGMT_FUNC) { |
3063 | npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); | |
3064 | if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO) | |
3065 | qlcnic_clr_all_drv_state(adapter, 0); | |
3066 | else if (npar_state != QLCNIC_DEV_NPAR_OPER) | |
3067 | qlcnic_schedule_work(adapter, qlcnic_attach_work, | |
3068 | FW_POLL_DELAY); | |
3069 | else | |
3070 | goto attach; | |
3071 | QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n"); | |
3072 | return; | |
3073 | } | |
3074 | attach: | |
af19b491 | 3075 | if (netif_running(netdev)) { |
52486a3a | 3076 | if (qlcnic_up(adapter, netdev)) |
af19b491 | 3077 | goto done; |
af19b491 | 3078 | |
aec1e845 | 3079 | qlcnic_restore_indev_addr(netdev, NETDEV_UP); |
af19b491 AKS |
3080 | } |
3081 | ||
af19b491 | 3082 | done: |
34ce3626 | 3083 | netif_device_attach(netdev); |
af19b491 | 3084 | adapter->fw_fail_cnt = 0; |
032a13c7 | 3085 | adapter->flags &= ~QLCNIC_FW_HANG; |
af19b491 | 3086 | clear_bit(__QLCNIC_RESETTING, &adapter->state); |
1b95a839 AKS |
3087 | |
3088 | if (!qlcnic_clr_drv_state(adapter)) | |
3089 | qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, | |
3090 | FW_POLL_DELAY); | |
af19b491 AKS |
3091 | } |
3092 | ||
3093 | static int | |
3094 | qlcnic_check_health(struct qlcnic_adapter *adapter) | |
3095 | { | |
4e70812b | 3096 | u32 state = 0, heartbeat; |
853d4bca | 3097 | u32 peg_status; |
af19b491 AKS |
3098 | |
3099 | if (qlcnic_check_temp(adapter)) | |
3100 | goto detach; | |
3101 | ||
2372a5f1 | 3102 | if (adapter->need_fw_reset) |
af19b491 | 3103 | qlcnic_dev_request_reset(adapter); |
af19b491 AKS |
3104 | |
3105 | state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); | |
b8c17620 | 3106 | if (state == QLCNIC_DEV_NEED_RESET) { |
3c4b23b1 | 3107 | qlcnic_set_npar_non_operational(adapter); |
af19b491 | 3108 | adapter->need_fw_reset = 1; |
b8c17620 AKS |
3109 | } else if (state == QLCNIC_DEV_NEED_QUISCENT) |
3110 | goto detach; | |
af19b491 | 3111 | |
4e70812b SC |
3112 | heartbeat = QLCRD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); |
3113 | if (heartbeat != adapter->heartbeat) { | |
3114 | adapter->heartbeat = heartbeat; | |
af19b491 AKS |
3115 | adapter->fw_fail_cnt = 0; |
3116 | if (adapter->need_fw_reset) | |
3117 | goto detach; | |
68bf1c68 | 3118 | |
9ce13ca8 | 3119 | if (adapter->reset_context && auto_fw_reset) { |
68bf1c68 AKS |
3120 | qlcnic_reset_hw_context(adapter); |
3121 | adapter->netdev->trans_start = jiffies; | |
3122 | } | |
3123 | ||
af19b491 AKS |
3124 | return 0; |
3125 | } | |
3126 | ||
3127 | if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) | |
3128 | return 0; | |
3129 | ||
032a13c7 SV |
3130 | adapter->flags |= QLCNIC_FW_HANG; |
3131 | ||
af19b491 AKS |
3132 | qlcnic_dev_request_reset(adapter); |
3133 | ||
9ce13ca8 | 3134 | if (auto_fw_reset) |
0df170b6 | 3135 | clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state); |
af19b491 | 3136 | |
853d4bca AR |
3137 | dev_err(&adapter->pdev->dev, "firmware hang detected\n"); |
3138 | dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n" | |
c76ecb7a SV |
3139 | "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n" |
3140 | "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n" | |
3141 | "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n" | |
3142 | "PEG_NET_4_PC: 0x%x\n", | |
3143 | QLCRD32(adapter, QLCNIC_PEG_HALT_STATUS1), | |
3144 | QLCRD32(adapter, QLCNIC_PEG_HALT_STATUS2), | |
3145 | QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c), | |
3146 | QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c), | |
3147 | QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c), | |
3148 | QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c), | |
3149 | QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c)); | |
853d4bca AR |
3150 | peg_status = QLCRD32(adapter, QLCNIC_PEG_HALT_STATUS1); |
3151 | if (LSW(MSB(peg_status)) == 0x67) | |
3152 | dev_err(&adapter->pdev->dev, | |
3153 | "Firmware aborted with error code 0x00006700. " | |
3154 | "Device is being reset.\n"); | |
af19b491 AKS |
3155 | detach: |
3156 | adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state : | |
3157 | QLCNIC_DEV_NEED_RESET; | |
3158 | ||
9ce13ca8 | 3159 | if (auto_fw_reset && |
65b5b420 AKS |
3160 | !test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) { |
3161 | ||
af19b491 | 3162 | qlcnic_schedule_work(adapter, qlcnic_detach_work, 0); |
65b5b420 AKS |
3163 | QLCDB(adapter, DRV, "fw recovery scheduled.\n"); |
3164 | } | |
af19b491 AKS |
3165 | |
3166 | return 1; | |
3167 | } | |
3168 | ||
3169 | static void | |
3170 | qlcnic_fw_poll_work(struct work_struct *work) | |
3171 | { | |
3172 | struct qlcnic_adapter *adapter = container_of(work, | |
3173 | struct qlcnic_adapter, fw_work.work); | |
3174 | ||
3175 | if (test_bit(__QLCNIC_RESETTING, &adapter->state)) | |
3176 | goto reschedule; | |
3177 | ||
3178 | ||
3179 | if (qlcnic_check_health(adapter)) | |
3180 | return; | |
3181 | ||
b5e5492c AKS |
3182 | if (adapter->fhash.fnum) |
3183 | qlcnic_prune_lb_filters(adapter); | |
3184 | ||
af19b491 AKS |
3185 | reschedule: |
3186 | qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); | |
3187 | } | |
3188 | ||
451724c8 SC |
3189 | static int qlcnic_is_first_func(struct pci_dev *pdev) |
3190 | { | |
3191 | struct pci_dev *oth_pdev; | |
3192 | int val = pdev->devfn; | |
3193 | ||
3194 | while (val-- > 0) { | |
3195 | oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr | |
3196 | (pdev->bus), pdev->bus->number, | |
3197 | PCI_DEVFN(PCI_SLOT(pdev->devfn), val)); | |
bfc978fa AKS |
3198 | if (!oth_pdev) |
3199 | continue; | |
451724c8 | 3200 | |
bfc978fa AKS |
3201 | if (oth_pdev->current_state != PCI_D3cold) { |
3202 | pci_dev_put(oth_pdev); | |
451724c8 | 3203 | return 0; |
bfc978fa AKS |
3204 | } |
3205 | pci_dev_put(oth_pdev); | |
451724c8 SC |
3206 | } |
3207 | return 1; | |
3208 | } | |
3209 | ||
3210 | static int qlcnic_attach_func(struct pci_dev *pdev) | |
3211 | { | |
3212 | int err, first_func; | |
3213 | struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); | |
3214 | struct net_device *netdev = adapter->netdev; | |
3215 | ||
3216 | pdev->error_state = pci_channel_io_normal; | |
3217 | ||
3218 | err = pci_enable_device(pdev); | |
3219 | if (err) | |
3220 | return err; | |
3221 | ||
3222 | pci_set_power_state(pdev, PCI_D0); | |
3223 | pci_set_master(pdev); | |
3224 | pci_restore_state(pdev); | |
3225 | ||
3226 | first_func = qlcnic_is_first_func(pdev); | |
3227 | ||
3228 | if (qlcnic_api_lock(adapter)) | |
3229 | return -EINVAL; | |
3230 | ||
933fce12 | 3231 | if (adapter->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) { |
451724c8 SC |
3232 | adapter->need_fw_reset = 1; |
3233 | set_bit(__QLCNIC_START_FW, &adapter->state); | |
3234 | QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITIALIZING); | |
3235 | QLCDB(adapter, DRV, "Restarting fw\n"); | |
3236 | } | |
3237 | qlcnic_api_unlock(adapter); | |
3238 | ||
3239 | err = adapter->nic_ops->start_firmware(adapter); | |
3240 | if (err) | |
3241 | return err; | |
3242 | ||
3243 | qlcnic_clr_drv_state(adapter); | |
3244 | qlcnic_setup_intr(adapter); | |
3245 | ||
3246 | if (netif_running(netdev)) { | |
3247 | err = qlcnic_attach(adapter); | |
3248 | if (err) { | |
21854f02 | 3249 | qlcnic_clr_all_drv_state(adapter, 1); |
451724c8 SC |
3250 | clear_bit(__QLCNIC_AER, &adapter->state); |
3251 | netif_device_attach(netdev); | |
3252 | return err; | |
3253 | } | |
3254 | ||
3255 | err = qlcnic_up(adapter, netdev); | |
3256 | if (err) | |
3257 | goto done; | |
3258 | ||
aec1e845 | 3259 | qlcnic_restore_indev_addr(netdev, NETDEV_UP); |
451724c8 SC |
3260 | } |
3261 | done: | |
3262 | netif_device_attach(netdev); | |
3263 | return err; | |
3264 | } | |
3265 | ||
3266 | static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev, | |
3267 | pci_channel_state_t state) | |
3268 | { | |
3269 | struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); | |
3270 | struct net_device *netdev = adapter->netdev; | |
3271 | ||
3272 | if (state == pci_channel_io_perm_failure) | |
3273 | return PCI_ERS_RESULT_DISCONNECT; | |
3274 | ||
3275 | if (state == pci_channel_io_normal) | |
3276 | return PCI_ERS_RESULT_RECOVERED; | |
3277 | ||
3278 | set_bit(__QLCNIC_AER, &adapter->state); | |
3279 | netif_device_detach(netdev); | |
3280 | ||
3281 | cancel_delayed_work_sync(&adapter->fw_work); | |
3282 | ||
3283 | if (netif_running(netdev)) | |
3284 | qlcnic_down(adapter, netdev); | |
3285 | ||
3286 | qlcnic_detach(adapter); | |
3287 | qlcnic_teardown_intr(adapter); | |
3288 | ||
3289 | clear_bit(__QLCNIC_RESETTING, &adapter->state); | |
3290 | ||
3291 | pci_save_state(pdev); | |
3292 | pci_disable_device(pdev); | |
3293 | ||
3294 | return PCI_ERS_RESULT_NEED_RESET; | |
3295 | } | |
3296 | ||
3297 | static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev) | |
3298 | { | |
3299 | return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT : | |
3300 | PCI_ERS_RESULT_RECOVERED; | |
3301 | } | |
3302 | ||
3303 | static void qlcnic_io_resume(struct pci_dev *pdev) | |
3304 | { | |
3305 | struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); | |
3306 | ||
3307 | pci_cleanup_aer_uncorrect_error_status(pdev); | |
3308 | ||
3309 | if (QLCRD32(adapter, QLCNIC_CRB_DEV_STATE) == QLCNIC_DEV_READY && | |
3310 | test_and_clear_bit(__QLCNIC_AER, &adapter->state)) | |
3311 | qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, | |
3312 | FW_POLL_DELAY); | |
3313 | } | |
3314 | ||
87eb743b AC |
3315 | static int |
3316 | qlcnicvf_start_firmware(struct qlcnic_adapter *adapter) | |
3317 | { | |
3318 | int err; | |
3319 | ||
3320 | err = qlcnic_can_start_firmware(adapter); | |
3321 | if (err) | |
3322 | return err; | |
3323 | ||
78f84e1a AKS |
3324 | err = qlcnic_check_npar_opertional(adapter); |
3325 | if (err) | |
3326 | return err; | |
3c4b23b1 | 3327 | |
174240a8 RB |
3328 | err = qlcnic_initialize_nic(adapter); |
3329 | if (err) | |
3330 | return err; | |
3331 | ||
87eb743b AC |
3332 | qlcnic_check_options(adapter); |
3333 | ||
7373373d RB |
3334 | err = qlcnic_set_eswitch_port_config(adapter); |
3335 | if (err) | |
3336 | return err; | |
3337 | ||
87eb743b AC |
3338 | adapter->need_fw_reset = 0; |
3339 | ||
3340 | return err; | |
3341 | } | |
3342 | ||
3343 | static int | |
3344 | qlcnicvf_config_bridged_mode(struct qlcnic_adapter *adapter, u32 enable) | |
3345 | { | |
3346 | return -EOPNOTSUPP; | |
3347 | } | |
3348 | ||
3349 | static int | |
3350 | qlcnicvf_config_led(struct qlcnic_adapter *adapter, u32 state, u32 rate) | |
3351 | { | |
3352 | return -EOPNOTSUPP; | |
3353 | } | |
3354 | ||
af19b491 AKS |
3355 | static ssize_t |
3356 | qlcnic_store_bridged_mode(struct device *dev, | |
3357 | struct device_attribute *attr, const char *buf, size_t len) | |
3358 | { | |
3359 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3360 | unsigned long new; | |
3361 | int ret = -EINVAL; | |
3362 | ||
3363 | if (!(adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG)) | |
3364 | goto err_out; | |
3365 | ||
8a15ad1f | 3366 | if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) |
af19b491 AKS |
3367 | goto err_out; |
3368 | ||
3369 | if (strict_strtoul(buf, 2, &new)) | |
3370 | goto err_out; | |
3371 | ||
2e9d722d | 3372 | if (!adapter->nic_ops->config_bridged_mode(adapter, !!new)) |
af19b491 AKS |
3373 | ret = len; |
3374 | ||
3375 | err_out: | |
3376 | return ret; | |
3377 | } | |
3378 | ||
3379 | static ssize_t | |
3380 | qlcnic_show_bridged_mode(struct device *dev, | |
3381 | struct device_attribute *attr, char *buf) | |
3382 | { | |
3383 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3384 | int bridged_mode = 0; | |
3385 | ||
3386 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG) | |
3387 | bridged_mode = !!(adapter->flags & QLCNIC_BRIDGE_ENABLED); | |
3388 | ||
3389 | return sprintf(buf, "%d\n", bridged_mode); | |
3390 | } | |
3391 | ||
3392 | static struct device_attribute dev_attr_bridged_mode = { | |
3393 | .attr = {.name = "bridged_mode", .mode = (S_IRUGO | S_IWUSR)}, | |
3394 | .show = qlcnic_show_bridged_mode, | |
3395 | .store = qlcnic_store_bridged_mode, | |
3396 | }; | |
3397 | ||
3398 | static ssize_t | |
3399 | qlcnic_store_diag_mode(struct device *dev, | |
3400 | struct device_attribute *attr, const char *buf, size_t len) | |
3401 | { | |
3402 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3403 | unsigned long new; | |
3404 | ||
3405 | if (strict_strtoul(buf, 2, &new)) | |
3406 | return -EINVAL; | |
3407 | ||
3408 | if (!!new != !!(adapter->flags & QLCNIC_DIAG_ENABLED)) | |
3409 | adapter->flags ^= QLCNIC_DIAG_ENABLED; | |
3410 | ||
3411 | return len; | |
3412 | } | |
3413 | ||
3414 | static ssize_t | |
3415 | qlcnic_show_diag_mode(struct device *dev, | |
3416 | struct device_attribute *attr, char *buf) | |
3417 | { | |
3418 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3419 | ||
3420 | return sprintf(buf, "%d\n", | |
3421 | !!(adapter->flags & QLCNIC_DIAG_ENABLED)); | |
3422 | } | |
3423 | ||
3424 | static struct device_attribute dev_attr_diag_mode = { | |
3425 | .attr = {.name = "diag_mode", .mode = (S_IRUGO | S_IWUSR)}, | |
3426 | .show = qlcnic_show_diag_mode, | |
3427 | .store = qlcnic_store_diag_mode, | |
3428 | }; | |
3429 | ||
f94bc1e7 SC |
3430 | int qlcnic_validate_max_rss(struct net_device *netdev, u8 max_hw, u8 val) |
3431 | { | |
3432 | if (!use_msi_x && !use_msi) { | |
3433 | netdev_info(netdev, "no msix or msi support, hence no rss\n"); | |
3434 | return -EINVAL; | |
3435 | } | |
3436 | ||
3437 | if ((val > max_hw) || (val < 2) || !is_power_of_2(val)) { | |
3438 | netdev_info(netdev, "rss_ring valid range [2 - %x] in " | |
3439 | " powers of 2\n", max_hw); | |
3440 | return -EINVAL; | |
3441 | } | |
3442 | return 0; | |
3443 | ||
3444 | } | |
3445 | ||
3446 | int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data) | |
3447 | { | |
3448 | struct net_device *netdev = adapter->netdev; | |
3449 | int err = 0; | |
3450 | ||
3451 | if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) | |
3452 | return -EBUSY; | |
3453 | ||
3454 | netif_device_detach(netdev); | |
3455 | if (netif_running(netdev)) | |
3456 | __qlcnic_down(adapter, netdev); | |
3457 | qlcnic_detach(adapter); | |
3458 | qlcnic_teardown_intr(adapter); | |
3459 | ||
3460 | if (qlcnic_enable_msix(adapter, data)) { | |
3461 | netdev_info(netdev, "failed setting max_rss; rss disabled\n"); | |
3462 | qlcnic_enable_msi_legacy(adapter); | |
3463 | } | |
3464 | ||
3465 | if (netif_running(netdev)) { | |
3466 | err = qlcnic_attach(adapter); | |
3467 | if (err) | |
3468 | goto done; | |
3469 | err = __qlcnic_up(adapter, netdev); | |
3470 | if (err) | |
3471 | goto done; | |
3472 | qlcnic_restore_indev_addr(netdev, NETDEV_UP); | |
3473 | } | |
3474 | done: | |
3475 | netif_device_attach(netdev); | |
3476 | clear_bit(__QLCNIC_RESETTING, &adapter->state); | |
3477 | return err; | |
3478 | } | |
3479 | ||
728a98b8 SC |
3480 | static int |
3481 | qlcnic_validate_beacon(struct qlcnic_adapter *adapter, u16 beacon, u8 *state, | |
3482 | u8 *rate) | |
3483 | { | |
3484 | *rate = LSB(beacon); | |
3485 | *state = MSB(beacon); | |
3486 | ||
3487 | QLCDB(adapter, DRV, "rate %x state %x\n", *rate, *state); | |
3488 | ||
3489 | if (!*state) { | |
3490 | *rate = __QLCNIC_MAX_LED_RATE; | |
3491 | return 0; | |
3492 | } else if (*state > __QLCNIC_MAX_LED_STATE) | |
3493 | return -EINVAL; | |
3494 | ||
3495 | if ((!*rate) || (*rate > __QLCNIC_MAX_LED_RATE)) | |
3496 | return -EINVAL; | |
3497 | ||
3498 | return 0; | |
3499 | } | |
3500 | ||
3501 | static ssize_t | |
3502 | qlcnic_store_beacon(struct device *dev, | |
3503 | struct device_attribute *attr, const char *buf, size_t len) | |
3504 | { | |
3505 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3506 | int max_sds_rings = adapter->max_sds_rings; | |
728a98b8 SC |
3507 | u16 beacon; |
3508 | u8 b_state, b_rate; | |
3509 | int err; | |
3510 | ||
10ee0fae SC |
3511 | if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC) { |
3512 | dev_warn(dev, "LED test not supported for non " | |
3513 | "privilege function\n"); | |
3514 | return -EOPNOTSUPP; | |
3515 | } | |
3516 | ||
728a98b8 SC |
3517 | if (len != sizeof(u16)) |
3518 | return QL_STATUS_INVALID_PARAM; | |
3519 | ||
3520 | memcpy(&beacon, buf, sizeof(u16)); | |
3521 | err = qlcnic_validate_beacon(adapter, beacon, &b_state, &b_rate); | |
3522 | if (err) | |
3523 | return err; | |
3524 | ||
3525 | if (adapter->ahw->beacon_state == b_state) | |
3526 | return len; | |
3527 | ||
10ee0fae SC |
3528 | rtnl_lock(); |
3529 | ||
728a98b8 | 3530 | if (!adapter->ahw->beacon_state) |
10ee0fae SC |
3531 | if (test_and_set_bit(__QLCNIC_LED_ENABLE, &adapter->state)) { |
3532 | rtnl_unlock(); | |
728a98b8 | 3533 | return -EBUSY; |
10ee0fae SC |
3534 | } |
3535 | ||
3536 | if (test_bit(__QLCNIC_RESETTING, &adapter->state)) { | |
3537 | err = -EIO; | |
3538 | goto out; | |
3539 | } | |
728a98b8 SC |
3540 | |
3541 | if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) { | |
728a98b8 | 3542 | err = qlcnic_diag_alloc_res(adapter->netdev, QLCNIC_LED_TEST); |
10ee0fae SC |
3543 | if (err) |
3544 | goto out; | |
3545 | set_bit(__QLCNIC_DIAG_RES_ALLOC, &adapter->state); | |
728a98b8 SC |
3546 | } |
3547 | ||
3548 | err = qlcnic_config_led(adapter, b_state, b_rate); | |
3549 | ||
3550 | if (!err) { | |
728a98b8 | 3551 | err = len; |
10ee0fae | 3552 | adapter->ahw->beacon_state = b_state; |
728a98b8 SC |
3553 | } |
3554 | ||
10ee0fae | 3555 | if (test_and_clear_bit(__QLCNIC_DIAG_RES_ALLOC, &adapter->state)) |
728a98b8 | 3556 | qlcnic_diag_free_res(adapter->netdev, max_sds_rings); |
728a98b8 | 3557 | |
10ee0fae SC |
3558 | out: |
3559 | if (!adapter->ahw->beacon_state) | |
728a98b8 | 3560 | clear_bit(__QLCNIC_LED_ENABLE, &adapter->state); |
10ee0fae | 3561 | rtnl_unlock(); |
728a98b8 SC |
3562 | |
3563 | return err; | |
3564 | } | |
3565 | ||
3566 | static ssize_t | |
3567 | qlcnic_show_beacon(struct device *dev, | |
3568 | struct device_attribute *attr, char *buf) | |
3569 | { | |
3570 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3571 | ||
3572 | return sprintf(buf, "%d\n", adapter->ahw->beacon_state); | |
3573 | } | |
3574 | ||
3575 | static struct device_attribute dev_attr_beacon = { | |
3576 | .attr = {.name = "beacon", .mode = (S_IRUGO | S_IWUSR)}, | |
3577 | .show = qlcnic_show_beacon, | |
3578 | .store = qlcnic_store_beacon, | |
3579 | }; | |
3580 | ||
af19b491 AKS |
3581 | static int |
3582 | qlcnic_sysfs_validate_crb(struct qlcnic_adapter *adapter, | |
3583 | loff_t offset, size_t size) | |
3584 | { | |
897e8c7c DP |
3585 | size_t crb_size = 4; |
3586 | ||
af19b491 AKS |
3587 | if (!(adapter->flags & QLCNIC_DIAG_ENABLED)) |
3588 | return -EIO; | |
3589 | ||
897e8c7c DP |
3590 | if (offset < QLCNIC_PCI_CRBSPACE) { |
3591 | if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, | |
3592 | QLCNIC_PCI_CAMQM_END)) | |
3593 | crb_size = 8; | |
3594 | else | |
3595 | return -EINVAL; | |
3596 | } | |
af19b491 | 3597 | |
897e8c7c DP |
3598 | if ((size != crb_size) || (offset & (crb_size-1))) |
3599 | return -EINVAL; | |
af19b491 AKS |
3600 | |
3601 | return 0; | |
3602 | } | |
3603 | ||
3604 | static ssize_t | |
2c3c8bea CW |
3605 | qlcnic_sysfs_read_crb(struct file *filp, struct kobject *kobj, |
3606 | struct bin_attribute *attr, | |
af19b491 AKS |
3607 | char *buf, loff_t offset, size_t size) |
3608 | { | |
3609 | struct device *dev = container_of(kobj, struct device, kobj); | |
3610 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3611 | u32 data; | |
897e8c7c | 3612 | u64 qmdata; |
af19b491 AKS |
3613 | int ret; |
3614 | ||
3615 | ret = qlcnic_sysfs_validate_crb(adapter, offset, size); | |
3616 | if (ret != 0) | |
3617 | return ret; | |
3618 | ||
897e8c7c DP |
3619 | if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, QLCNIC_PCI_CAMQM_END)) { |
3620 | qlcnic_pci_camqm_read_2M(adapter, offset, &qmdata); | |
3621 | memcpy(buf, &qmdata, size); | |
3622 | } else { | |
3623 | data = QLCRD32(adapter, offset); | |
3624 | memcpy(buf, &data, size); | |
3625 | } | |
af19b491 AKS |
3626 | return size; |
3627 | } | |
3628 | ||
3629 | static ssize_t | |
2c3c8bea CW |
3630 | qlcnic_sysfs_write_crb(struct file *filp, struct kobject *kobj, |
3631 | struct bin_attribute *attr, | |
af19b491 AKS |
3632 | char *buf, loff_t offset, size_t size) |
3633 | { | |
3634 | struct device *dev = container_of(kobj, struct device, kobj); | |
3635 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3636 | u32 data; | |
897e8c7c | 3637 | u64 qmdata; |
af19b491 AKS |
3638 | int ret; |
3639 | ||
3640 | ret = qlcnic_sysfs_validate_crb(adapter, offset, size); | |
3641 | if (ret != 0) | |
3642 | return ret; | |
3643 | ||
897e8c7c DP |
3644 | if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, QLCNIC_PCI_CAMQM_END)) { |
3645 | memcpy(&qmdata, buf, size); | |
3646 | qlcnic_pci_camqm_write_2M(adapter, offset, qmdata); | |
3647 | } else { | |
3648 | memcpy(&data, buf, size); | |
3649 | QLCWR32(adapter, offset, data); | |
3650 | } | |
af19b491 AKS |
3651 | return size; |
3652 | } | |
3653 | ||
3654 | static int | |
3655 | qlcnic_sysfs_validate_mem(struct qlcnic_adapter *adapter, | |
3656 | loff_t offset, size_t size) | |
3657 | { | |
3658 | if (!(adapter->flags & QLCNIC_DIAG_ENABLED)) | |
3659 | return -EIO; | |
3660 | ||
3661 | if ((size != 8) || (offset & 0x7)) | |
3662 | return -EIO; | |
3663 | ||
3664 | return 0; | |
3665 | } | |
3666 | ||
3667 | static ssize_t | |
2c3c8bea CW |
3668 | qlcnic_sysfs_read_mem(struct file *filp, struct kobject *kobj, |
3669 | struct bin_attribute *attr, | |
af19b491 AKS |
3670 | char *buf, loff_t offset, size_t size) |
3671 | { | |
3672 | struct device *dev = container_of(kobj, struct device, kobj); | |
3673 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3674 | u64 data; | |
3675 | int ret; | |
3676 | ||
3677 | ret = qlcnic_sysfs_validate_mem(adapter, offset, size); | |
3678 | if (ret != 0) | |
3679 | return ret; | |
3680 | ||
3681 | if (qlcnic_pci_mem_read_2M(adapter, offset, &data)) | |
3682 | return -EIO; | |
3683 | ||
3684 | memcpy(buf, &data, size); | |
3685 | ||
3686 | return size; | |
3687 | } | |
3688 | ||
3689 | static ssize_t | |
2c3c8bea CW |
3690 | qlcnic_sysfs_write_mem(struct file *filp, struct kobject *kobj, |
3691 | struct bin_attribute *attr, | |
af19b491 AKS |
3692 | char *buf, loff_t offset, size_t size) |
3693 | { | |
3694 | struct device *dev = container_of(kobj, struct device, kobj); | |
3695 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3696 | u64 data; | |
3697 | int ret; | |
3698 | ||
3699 | ret = qlcnic_sysfs_validate_mem(adapter, offset, size); | |
3700 | if (ret != 0) | |
3701 | return ret; | |
3702 | ||
3703 | memcpy(&data, buf, size); | |
3704 | ||
3705 | if (qlcnic_pci_mem_write_2M(adapter, offset, data)) | |
3706 | return -EIO; | |
3707 | ||
3708 | return size; | |
3709 | } | |
3710 | ||
af19b491 AKS |
3711 | static struct bin_attribute bin_attr_crb = { |
3712 | .attr = {.name = "crb", .mode = (S_IRUGO | S_IWUSR)}, | |
3713 | .size = 0, | |
3714 | .read = qlcnic_sysfs_read_crb, | |
3715 | .write = qlcnic_sysfs_write_crb, | |
3716 | }; | |
3717 | ||
3718 | static struct bin_attribute bin_attr_mem = { | |
3719 | .attr = {.name = "mem", .mode = (S_IRUGO | S_IWUSR)}, | |
3720 | .size = 0, | |
3721 | .read = qlcnic_sysfs_read_mem, | |
3722 | .write = qlcnic_sysfs_write_mem, | |
3723 | }; | |
3724 | ||
cea8975e | 3725 | static int |
346fe763 RB |
3726 | validate_pm_config(struct qlcnic_adapter *adapter, |
3727 | struct qlcnic_pm_func_cfg *pm_cfg, int count) | |
3728 | { | |
3729 | ||
3730 | u8 src_pci_func, s_esw_id, d_esw_id; | |
3731 | u8 dest_pci_func; | |
3732 | int i; | |
3733 | ||
3734 | for (i = 0; i < count; i++) { | |
3735 | src_pci_func = pm_cfg[i].pci_func; | |
3736 | dest_pci_func = pm_cfg[i].dest_npar; | |
3737 | if (src_pci_func >= QLCNIC_MAX_PCI_FUNC | |
3738 | || dest_pci_func >= QLCNIC_MAX_PCI_FUNC) | |
3739 | return QL_STATUS_INVALID_PARAM; | |
3740 | ||
3741 | if (adapter->npars[src_pci_func].type != QLCNIC_TYPE_NIC) | |
3742 | return QL_STATUS_INVALID_PARAM; | |
3743 | ||
3744 | if (adapter->npars[dest_pci_func].type != QLCNIC_TYPE_NIC) | |
3745 | return QL_STATUS_INVALID_PARAM; | |
3746 | ||
346fe763 RB |
3747 | s_esw_id = adapter->npars[src_pci_func].phy_port; |
3748 | d_esw_id = adapter->npars[dest_pci_func].phy_port; | |
3749 | ||
3750 | if (s_esw_id != d_esw_id) | |
3751 | return QL_STATUS_INVALID_PARAM; | |
3752 | ||
3753 | } | |
3754 | return 0; | |
3755 | ||
3756 | } | |
3757 | ||
3758 | static ssize_t | |
3759 | qlcnic_sysfs_write_pm_config(struct file *filp, struct kobject *kobj, | |
3760 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
3761 | { | |
3762 | struct device *dev = container_of(kobj, struct device, kobj); | |
3763 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3764 | struct qlcnic_pm_func_cfg *pm_cfg; | |
3765 | u32 id, action, pci_func; | |
3766 | int count, rem, i, ret; | |
3767 | ||
3768 | count = size / sizeof(struct qlcnic_pm_func_cfg); | |
3769 | rem = size % sizeof(struct qlcnic_pm_func_cfg); | |
3770 | if (rem) | |
3771 | return QL_STATUS_INVALID_PARAM; | |
3772 | ||
3773 | pm_cfg = (struct qlcnic_pm_func_cfg *) buf; | |
3774 | ||
3775 | ret = validate_pm_config(adapter, pm_cfg, count); | |
3776 | if (ret) | |
3777 | return ret; | |
3778 | for (i = 0; i < count; i++) { | |
3779 | pci_func = pm_cfg[i].pci_func; | |
4e8acb01 | 3780 | action = !!pm_cfg[i].action; |
346fe763 RB |
3781 | id = adapter->npars[pci_func].phy_port; |
3782 | ret = qlcnic_config_port_mirroring(adapter, id, | |
3783 | action, pci_func); | |
3784 | if (ret) | |
3785 | return ret; | |
3786 | } | |
3787 | ||
3788 | for (i = 0; i < count; i++) { | |
3789 | pci_func = pm_cfg[i].pci_func; | |
3790 | id = adapter->npars[pci_func].phy_port; | |
4e8acb01 | 3791 | adapter->npars[pci_func].enable_pm = !!pm_cfg[i].action; |
346fe763 RB |
3792 | adapter->npars[pci_func].dest_npar = id; |
3793 | } | |
3794 | return size; | |
3795 | } | |
3796 | ||
3797 | static ssize_t | |
3798 | qlcnic_sysfs_read_pm_config(struct file *filp, struct kobject *kobj, | |
3799 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
3800 | { | |
3801 | struct device *dev = container_of(kobj, struct device, kobj); | |
3802 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3803 | struct qlcnic_pm_func_cfg pm_cfg[QLCNIC_MAX_PCI_FUNC]; | |
3804 | int i; | |
3805 | ||
3806 | if (size != sizeof(pm_cfg)) | |
3807 | return QL_STATUS_INVALID_PARAM; | |
3808 | ||
3809 | for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) { | |
3810 | if (adapter->npars[i].type != QLCNIC_TYPE_NIC) | |
3811 | continue; | |
3812 | pm_cfg[i].action = adapter->npars[i].enable_pm; | |
3813 | pm_cfg[i].dest_npar = 0; | |
3814 | pm_cfg[i].pci_func = i; | |
3815 | } | |
3816 | memcpy(buf, &pm_cfg, size); | |
3817 | ||
3818 | return size; | |
3819 | } | |
3820 | ||
cea8975e | 3821 | static int |
346fe763 | 3822 | validate_esw_config(struct qlcnic_adapter *adapter, |
4e8acb01 | 3823 | struct qlcnic_esw_func_cfg *esw_cfg, int count) |
346fe763 | 3824 | { |
7613c87b | 3825 | u32 op_mode; |
346fe763 RB |
3826 | u8 pci_func; |
3827 | int i; | |
7613c87b | 3828 | |
b1fc6d3c | 3829 | op_mode = readl(adapter->ahw->pci_base0 + QLCNIC_DRV_OP_MODE); |
7613c87b | 3830 | |
346fe763 RB |
3831 | for (i = 0; i < count; i++) { |
3832 | pci_func = esw_cfg[i].pci_func; | |
3833 | if (pci_func >= QLCNIC_MAX_PCI_FUNC) | |
3834 | return QL_STATUS_INVALID_PARAM; | |
3835 | ||
4e8acb01 RB |
3836 | if (adapter->op_mode == QLCNIC_MGMT_FUNC) |
3837 | if (adapter->npars[pci_func].type != QLCNIC_TYPE_NIC) | |
3838 | return QL_STATUS_INVALID_PARAM; | |
346fe763 | 3839 | |
4e8acb01 RB |
3840 | switch (esw_cfg[i].op_mode) { |
3841 | case QLCNIC_PORT_DEFAULTS: | |
7613c87b | 3842 | if (QLC_DEV_GET_DRV(op_mode, pci_func) != |
7373373d | 3843 | QLCNIC_NON_PRIV_FUNC) { |
091056b2 AKS |
3844 | if (esw_cfg[i].mac_anti_spoof != 0) |
3845 | return QL_STATUS_INVALID_PARAM; | |
3846 | if (esw_cfg[i].mac_override != 1) | |
3847 | return QL_STATUS_INVALID_PARAM; | |
3848 | if (esw_cfg[i].promisc_mode != 1) | |
3849 | return QL_STATUS_INVALID_PARAM; | |
7373373d | 3850 | } |
4e8acb01 RB |
3851 | break; |
3852 | case QLCNIC_ADD_VLAN: | |
346fe763 RB |
3853 | if (!IS_VALID_VLAN(esw_cfg[i].vlan_id)) |
3854 | return QL_STATUS_INVALID_PARAM; | |
4e8acb01 RB |
3855 | if (!esw_cfg[i].op_type) |
3856 | return QL_STATUS_INVALID_PARAM; | |
3857 | break; | |
3858 | case QLCNIC_DEL_VLAN: | |
4e8acb01 RB |
3859 | if (!esw_cfg[i].op_type) |
3860 | return QL_STATUS_INVALID_PARAM; | |
3861 | break; | |
3862 | default: | |
346fe763 | 3863 | return QL_STATUS_INVALID_PARAM; |
4e8acb01 | 3864 | } |
346fe763 | 3865 | } |
346fe763 RB |
3866 | return 0; |
3867 | } | |
3868 | ||
3869 | static ssize_t | |
3870 | qlcnic_sysfs_write_esw_config(struct file *file, struct kobject *kobj, | |
3871 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
3872 | { | |
3873 | struct device *dev = container_of(kobj, struct device, kobj); | |
3874 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3875 | struct qlcnic_esw_func_cfg *esw_cfg; | |
4e8acb01 | 3876 | struct qlcnic_npar_info *npar; |
346fe763 | 3877 | int count, rem, i, ret; |
0325d69b | 3878 | u8 pci_func, op_mode = 0; |
346fe763 RB |
3879 | |
3880 | count = size / sizeof(struct qlcnic_esw_func_cfg); | |
3881 | rem = size % sizeof(struct qlcnic_esw_func_cfg); | |
3882 | if (rem) | |
3883 | return QL_STATUS_INVALID_PARAM; | |
3884 | ||
3885 | esw_cfg = (struct qlcnic_esw_func_cfg *) buf; | |
3886 | ret = validate_esw_config(adapter, esw_cfg, count); | |
3887 | if (ret) | |
3888 | return ret; | |
3889 | ||
3890 | for (i = 0; i < count; i++) { | |
0325d69b RB |
3891 | if (adapter->op_mode == QLCNIC_MGMT_FUNC) |
3892 | if (qlcnic_config_switch_port(adapter, &esw_cfg[i])) | |
3893 | return QL_STATUS_INVALID_PARAM; | |
e9a47700 | 3894 | |
b1fc6d3c | 3895 | if (adapter->ahw->pci_func != esw_cfg[i].pci_func) |
e9a47700 RB |
3896 | continue; |
3897 | ||
3898 | op_mode = esw_cfg[i].op_mode; | |
3899 | qlcnic_get_eswitch_port_config(adapter, &esw_cfg[i]); | |
3900 | esw_cfg[i].op_mode = op_mode; | |
b1fc6d3c | 3901 | esw_cfg[i].pci_func = adapter->ahw->pci_func; |
e9a47700 RB |
3902 | |
3903 | switch (esw_cfg[i].op_mode) { | |
3904 | case QLCNIC_PORT_DEFAULTS: | |
3905 | qlcnic_set_eswitch_port_features(adapter, &esw_cfg[i]); | |
3906 | break; | |
8cf61f89 AKS |
3907 | case QLCNIC_ADD_VLAN: |
3908 | qlcnic_set_vlan_config(adapter, &esw_cfg[i]); | |
3909 | break; | |
3910 | case QLCNIC_DEL_VLAN: | |
3911 | esw_cfg[i].vlan_id = 0; | |
3912 | qlcnic_set_vlan_config(adapter, &esw_cfg[i]); | |
3913 | break; | |
0325d69b | 3914 | } |
346fe763 RB |
3915 | } |
3916 | ||
0325d69b RB |
3917 | if (adapter->op_mode != QLCNIC_MGMT_FUNC) |
3918 | goto out; | |
e9a47700 | 3919 | |
346fe763 RB |
3920 | for (i = 0; i < count; i++) { |
3921 | pci_func = esw_cfg[i].pci_func; | |
4e8acb01 RB |
3922 | npar = &adapter->npars[pci_func]; |
3923 | switch (esw_cfg[i].op_mode) { | |
3924 | case QLCNIC_PORT_DEFAULTS: | |
3925 | npar->promisc_mode = esw_cfg[i].promisc_mode; | |
7373373d | 3926 | npar->mac_override = esw_cfg[i].mac_override; |
4e8acb01 RB |
3927 | npar->offload_flags = esw_cfg[i].offload_flags; |
3928 | npar->mac_anti_spoof = esw_cfg[i].mac_anti_spoof; | |
3929 | npar->discard_tagged = esw_cfg[i].discard_tagged; | |
3930 | break; | |
3931 | case QLCNIC_ADD_VLAN: | |
3932 | npar->pvid = esw_cfg[i].vlan_id; | |
3933 | break; | |
3934 | case QLCNIC_DEL_VLAN: | |
3935 | npar->pvid = 0; | |
3936 | break; | |
3937 | } | |
346fe763 | 3938 | } |
0325d69b | 3939 | out: |
346fe763 RB |
3940 | return size; |
3941 | } | |
3942 | ||
3943 | static ssize_t | |
3944 | qlcnic_sysfs_read_esw_config(struct file *file, struct kobject *kobj, | |
3945 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
3946 | { | |
3947 | struct device *dev = container_of(kobj, struct device, kobj); | |
3948 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3949 | struct qlcnic_esw_func_cfg esw_cfg[QLCNIC_MAX_PCI_FUNC]; | |
4e8acb01 | 3950 | u8 i; |
346fe763 RB |
3951 | |
3952 | if (size != sizeof(esw_cfg)) | |
3953 | return QL_STATUS_INVALID_PARAM; | |
3954 | ||
3955 | for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) { | |
3956 | if (adapter->npars[i].type != QLCNIC_TYPE_NIC) | |
3957 | continue; | |
4e8acb01 RB |
3958 | esw_cfg[i].pci_func = i; |
3959 | if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg[i])) | |
3960 | return QL_STATUS_INVALID_PARAM; | |
346fe763 RB |
3961 | } |
3962 | memcpy(buf, &esw_cfg, size); | |
3963 | ||
3964 | return size; | |
3965 | } | |
3966 | ||
cea8975e | 3967 | static int |
346fe763 RB |
3968 | validate_npar_config(struct qlcnic_adapter *adapter, |
3969 | struct qlcnic_npar_func_cfg *np_cfg, int count) | |
3970 | { | |
3971 | u8 pci_func, i; | |
3972 | ||
3973 | for (i = 0; i < count; i++) { | |
3974 | pci_func = np_cfg[i].pci_func; | |
3975 | if (pci_func >= QLCNIC_MAX_PCI_FUNC) | |
3976 | return QL_STATUS_INVALID_PARAM; | |
3977 | ||
3978 | if (adapter->npars[pci_func].type != QLCNIC_TYPE_NIC) | |
3979 | return QL_STATUS_INVALID_PARAM; | |
3980 | ||
d12b0d9a RB |
3981 | if (!IS_VALID_BW(np_cfg[i].min_bw) || |
3982 | !IS_VALID_BW(np_cfg[i].max_bw)) | |
346fe763 RB |
3983 | return QL_STATUS_INVALID_PARAM; |
3984 | } | |
3985 | return 0; | |
3986 | } | |
3987 | ||
3988 | static ssize_t | |
3989 | qlcnic_sysfs_write_npar_config(struct file *file, struct kobject *kobj, | |
3990 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
3991 | { | |
3992 | struct device *dev = container_of(kobj, struct device, kobj); | |
3993 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3994 | struct qlcnic_info nic_info; | |
3995 | struct qlcnic_npar_func_cfg *np_cfg; | |
3996 | int i, count, rem, ret; | |
3997 | u8 pci_func; | |
3998 | ||
3999 | count = size / sizeof(struct qlcnic_npar_func_cfg); | |
4000 | rem = size % sizeof(struct qlcnic_npar_func_cfg); | |
4001 | if (rem) | |
4002 | return QL_STATUS_INVALID_PARAM; | |
4003 | ||
4004 | np_cfg = (struct qlcnic_npar_func_cfg *) buf; | |
4005 | ret = validate_npar_config(adapter, np_cfg, count); | |
4006 | if (ret) | |
4007 | return ret; | |
4008 | ||
4009 | for (i = 0; i < count ; i++) { | |
4010 | pci_func = np_cfg[i].pci_func; | |
4011 | ret = qlcnic_get_nic_info(adapter, &nic_info, pci_func); | |
4012 | if (ret) | |
4013 | return ret; | |
4014 | nic_info.pci_func = pci_func; | |
4015 | nic_info.min_tx_bw = np_cfg[i].min_bw; | |
4016 | nic_info.max_tx_bw = np_cfg[i].max_bw; | |
4017 | ret = qlcnic_set_nic_info(adapter, &nic_info); | |
4018 | if (ret) | |
4019 | return ret; | |
cea8975e AC |
4020 | adapter->npars[i].min_bw = nic_info.min_tx_bw; |
4021 | adapter->npars[i].max_bw = nic_info.max_tx_bw; | |
346fe763 RB |
4022 | } |
4023 | ||
4024 | return size; | |
4025 | ||
4026 | } | |
4027 | static ssize_t | |
4028 | qlcnic_sysfs_read_npar_config(struct file *file, struct kobject *kobj, | |
4029 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
4030 | { | |
4031 | struct device *dev = container_of(kobj, struct device, kobj); | |
4032 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
4033 | struct qlcnic_info nic_info; | |
4034 | struct qlcnic_npar_func_cfg np_cfg[QLCNIC_MAX_PCI_FUNC]; | |
4035 | int i, ret; | |
4036 | ||
4037 | if (size != sizeof(np_cfg)) | |
4038 | return QL_STATUS_INVALID_PARAM; | |
4039 | ||
4040 | for (i = 0; i < QLCNIC_MAX_PCI_FUNC ; i++) { | |
4041 | if (adapter->npars[i].type != QLCNIC_TYPE_NIC) | |
4042 | continue; | |
4043 | ret = qlcnic_get_nic_info(adapter, &nic_info, i); | |
4044 | if (ret) | |
4045 | return ret; | |
4046 | ||
4047 | np_cfg[i].pci_func = i; | |
a1c0c459 | 4048 | np_cfg[i].op_mode = (u8)nic_info.op_mode; |
346fe763 RB |
4049 | np_cfg[i].port_num = nic_info.phys_port; |
4050 | np_cfg[i].fw_capab = nic_info.capabilities; | |
4051 | np_cfg[i].min_bw = nic_info.min_tx_bw ; | |
4052 | np_cfg[i].max_bw = nic_info.max_tx_bw; | |
4053 | np_cfg[i].max_tx_queues = nic_info.max_tx_ques; | |
4054 | np_cfg[i].max_rx_queues = nic_info.max_rx_ques; | |
4055 | } | |
4056 | memcpy(buf, &np_cfg, size); | |
4057 | return size; | |
4058 | } | |
4059 | ||
b6021212 AKS |
4060 | static ssize_t |
4061 | qlcnic_sysfs_get_port_stats(struct file *file, struct kobject *kobj, | |
4062 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
4063 | { | |
4064 | struct device *dev = container_of(kobj, struct device, kobj); | |
4065 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
4066 | struct qlcnic_esw_statistics port_stats; | |
4067 | int ret; | |
4068 | ||
4069 | if (size != sizeof(struct qlcnic_esw_statistics)) | |
4070 | return QL_STATUS_INVALID_PARAM; | |
4071 | ||
4072 | if (offset >= QLCNIC_MAX_PCI_FUNC) | |
4073 | return QL_STATUS_INVALID_PARAM; | |
4074 | ||
4075 | memset(&port_stats, 0, size); | |
4076 | ret = qlcnic_get_port_stats(adapter, offset, QLCNIC_QUERY_RX_COUNTER, | |
4077 | &port_stats.rx); | |
4078 | if (ret) | |
4079 | return ret; | |
4080 | ||
4081 | ret = qlcnic_get_port_stats(adapter, offset, QLCNIC_QUERY_TX_COUNTER, | |
4082 | &port_stats.tx); | |
4083 | if (ret) | |
4084 | return ret; | |
4085 | ||
4086 | memcpy(buf, &port_stats, size); | |
4087 | return size; | |
4088 | } | |
4089 | ||
4090 | static ssize_t | |
4091 | qlcnic_sysfs_get_esw_stats(struct file *file, struct kobject *kobj, | |
4092 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
4093 | { | |
4094 | struct device *dev = container_of(kobj, struct device, kobj); | |
4095 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
4096 | struct qlcnic_esw_statistics esw_stats; | |
4097 | int ret; | |
4098 | ||
4099 | if (size != sizeof(struct qlcnic_esw_statistics)) | |
4100 | return QL_STATUS_INVALID_PARAM; | |
4101 | ||
4102 | if (offset >= QLCNIC_NIU_MAX_XG_PORTS) | |
4103 | return QL_STATUS_INVALID_PARAM; | |
4104 | ||
4105 | memset(&esw_stats, 0, size); | |
4106 | ret = qlcnic_get_eswitch_stats(adapter, offset, QLCNIC_QUERY_RX_COUNTER, | |
4107 | &esw_stats.rx); | |
4108 | if (ret) | |
4109 | return ret; | |
4110 | ||
4111 | ret = qlcnic_get_eswitch_stats(adapter, offset, QLCNIC_QUERY_TX_COUNTER, | |
4112 | &esw_stats.tx); | |
4113 | if (ret) | |
4114 | return ret; | |
4115 | ||
4116 | memcpy(buf, &esw_stats, size); | |
4117 | return size; | |
4118 | } | |
4119 | ||
4120 | static ssize_t | |
4121 | qlcnic_sysfs_clear_esw_stats(struct file *file, struct kobject *kobj, | |
4122 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
4123 | { | |
4124 | struct device *dev = container_of(kobj, struct device, kobj); | |
4125 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
4126 | int ret; | |
4127 | ||
4128 | if (offset >= QLCNIC_NIU_MAX_XG_PORTS) | |
4129 | return QL_STATUS_INVALID_PARAM; | |
4130 | ||
4131 | ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_ESWITCH, offset, | |
4132 | QLCNIC_QUERY_RX_COUNTER); | |
4133 | if (ret) | |
4134 | return ret; | |
4135 | ||
4136 | ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_ESWITCH, offset, | |
4137 | QLCNIC_QUERY_TX_COUNTER); | |
4138 | if (ret) | |
4139 | return ret; | |
4140 | ||
4141 | return size; | |
4142 | } | |
4143 | ||
4144 | static ssize_t | |
4145 | qlcnic_sysfs_clear_port_stats(struct file *file, struct kobject *kobj, | |
4146 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
4147 | { | |
4148 | ||
4149 | struct device *dev = container_of(kobj, struct device, kobj); | |
4150 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
4151 | int ret; | |
4152 | ||
4153 | if (offset >= QLCNIC_MAX_PCI_FUNC) | |
4154 | return QL_STATUS_INVALID_PARAM; | |
4155 | ||
4156 | ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_PORT, offset, | |
4157 | QLCNIC_QUERY_RX_COUNTER); | |
4158 | if (ret) | |
4159 | return ret; | |
4160 | ||
4161 | ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_PORT, offset, | |
4162 | QLCNIC_QUERY_TX_COUNTER); | |
4163 | if (ret) | |
4164 | return ret; | |
4165 | ||
4166 | return size; | |
4167 | } | |
4168 | ||
346fe763 RB |
4169 | static ssize_t |
4170 | qlcnic_sysfs_read_pci_config(struct file *file, struct kobject *kobj, | |
4171 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
4172 | { | |
4173 | struct device *dev = container_of(kobj, struct device, kobj); | |
4174 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
4175 | struct qlcnic_pci_func_cfg pci_cfg[QLCNIC_MAX_PCI_FUNC]; | |
e88db3bd | 4176 | struct qlcnic_pci_info *pci_info; |
346fe763 RB |
4177 | int i, ret; |
4178 | ||
4179 | if (size != sizeof(pci_cfg)) | |
4180 | return QL_STATUS_INVALID_PARAM; | |
4181 | ||
e88db3bd DC |
4182 | pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL); |
4183 | if (!pci_info) | |
4184 | return -ENOMEM; | |
4185 | ||
346fe763 | 4186 | ret = qlcnic_get_pci_info(adapter, pci_info); |
e88db3bd DC |
4187 | if (ret) { |
4188 | kfree(pci_info); | |
346fe763 | 4189 | return ret; |
e88db3bd | 4190 | } |
346fe763 RB |
4191 | |
4192 | for (i = 0; i < QLCNIC_MAX_PCI_FUNC ; i++) { | |
4193 | pci_cfg[i].pci_func = pci_info[i].id; | |
4194 | pci_cfg[i].func_type = pci_info[i].type; | |
4195 | pci_cfg[i].port_num = pci_info[i].default_port; | |
4196 | pci_cfg[i].min_bw = pci_info[i].tx_min_bw; | |
4197 | pci_cfg[i].max_bw = pci_info[i].tx_max_bw; | |
4198 | memcpy(&pci_cfg[i].def_mac_addr, &pci_info[i].mac, ETH_ALEN); | |
4199 | } | |
4200 | memcpy(buf, &pci_cfg, size); | |
e88db3bd | 4201 | kfree(pci_info); |
346fe763 | 4202 | return size; |
346fe763 RB |
4203 | } |
4204 | static struct bin_attribute bin_attr_npar_config = { | |
4205 | .attr = {.name = "npar_config", .mode = (S_IRUGO | S_IWUSR)}, | |
4206 | .size = 0, | |
4207 | .read = qlcnic_sysfs_read_npar_config, | |
4208 | .write = qlcnic_sysfs_write_npar_config, | |
4209 | }; | |
4210 | ||
4211 | static struct bin_attribute bin_attr_pci_config = { | |
4212 | .attr = {.name = "pci_config", .mode = (S_IRUGO | S_IWUSR)}, | |
4213 | .size = 0, | |
4214 | .read = qlcnic_sysfs_read_pci_config, | |
4215 | .write = NULL, | |
4216 | }; | |
4217 | ||
b6021212 AKS |
4218 | static struct bin_attribute bin_attr_port_stats = { |
4219 | .attr = {.name = "port_stats", .mode = (S_IRUGO | S_IWUSR)}, | |
4220 | .size = 0, | |
4221 | .read = qlcnic_sysfs_get_port_stats, | |
4222 | .write = qlcnic_sysfs_clear_port_stats, | |
4223 | }; | |
4224 | ||
4225 | static struct bin_attribute bin_attr_esw_stats = { | |
4226 | .attr = {.name = "esw_stats", .mode = (S_IRUGO | S_IWUSR)}, | |
4227 | .size = 0, | |
4228 | .read = qlcnic_sysfs_get_esw_stats, | |
4229 | .write = qlcnic_sysfs_clear_esw_stats, | |
4230 | }; | |
4231 | ||
346fe763 RB |
4232 | static struct bin_attribute bin_attr_esw_config = { |
4233 | .attr = {.name = "esw_config", .mode = (S_IRUGO | S_IWUSR)}, | |
4234 | .size = 0, | |
4235 | .read = qlcnic_sysfs_read_esw_config, | |
4236 | .write = qlcnic_sysfs_write_esw_config, | |
4237 | }; | |
4238 | ||
4239 | static struct bin_attribute bin_attr_pm_config = { | |
4240 | .attr = {.name = "pm_config", .mode = (S_IRUGO | S_IWUSR)}, | |
4241 | .size = 0, | |
4242 | .read = qlcnic_sysfs_read_pm_config, | |
4243 | .write = qlcnic_sysfs_write_pm_config, | |
4244 | }; | |
4245 | ||
af19b491 AKS |
4246 | static void |
4247 | qlcnic_create_sysfs_entries(struct qlcnic_adapter *adapter) | |
4248 | { | |
4249 | struct device *dev = &adapter->pdev->dev; | |
4250 | ||
4251 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG) | |
4252 | if (device_create_file(dev, &dev_attr_bridged_mode)) | |
4253 | dev_warn(dev, | |
4254 | "failed to create bridged_mode sysfs entry\n"); | |
4255 | } | |
4256 | ||
4257 | static void | |
4258 | qlcnic_remove_sysfs_entries(struct qlcnic_adapter *adapter) | |
4259 | { | |
4260 | struct device *dev = &adapter->pdev->dev; | |
4261 | ||
4262 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG) | |
4263 | device_remove_file(dev, &dev_attr_bridged_mode); | |
4264 | } | |
4265 | ||
4266 | static void | |
4267 | qlcnic_create_diag_entries(struct qlcnic_adapter *adapter) | |
4268 | { | |
4269 | struct device *dev = &adapter->pdev->dev; | |
4270 | ||
b6021212 AKS |
4271 | if (device_create_bin_file(dev, &bin_attr_port_stats)) |
4272 | dev_info(dev, "failed to create port stats sysfs entry"); | |
4273 | ||
132ff00a AC |
4274 | if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC) |
4275 | return; | |
af19b491 AKS |
4276 | if (device_create_file(dev, &dev_attr_diag_mode)) |
4277 | dev_info(dev, "failed to create diag_mode sysfs entry\n"); | |
728a98b8 SC |
4278 | if (device_create_file(dev, &dev_attr_beacon)) |
4279 | dev_info(dev, "failed to create beacon sysfs entry"); | |
af19b491 AKS |
4280 | if (device_create_bin_file(dev, &bin_attr_crb)) |
4281 | dev_info(dev, "failed to create crb sysfs entry\n"); | |
4282 | if (device_create_bin_file(dev, &bin_attr_mem)) | |
4283 | dev_info(dev, "failed to create mem sysfs entry\n"); | |
53478fef SC |
4284 | if (device_create_bin_file(dev, &bin_attr_pci_config)) |
4285 | dev_info(dev, "failed to create pci config sysfs entry"); | |
4e8acb01 RB |
4286 | if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) |
4287 | return; | |
4288 | if (device_create_bin_file(dev, &bin_attr_esw_config)) | |
4289 | dev_info(dev, "failed to create esw config sysfs entry"); | |
4290 | if (adapter->op_mode != QLCNIC_MGMT_FUNC) | |
346fe763 | 4291 | return; |
346fe763 RB |
4292 | if (device_create_bin_file(dev, &bin_attr_npar_config)) |
4293 | dev_info(dev, "failed to create npar config sysfs entry"); | |
346fe763 RB |
4294 | if (device_create_bin_file(dev, &bin_attr_pm_config)) |
4295 | dev_info(dev, "failed to create pm config sysfs entry"); | |
b6021212 AKS |
4296 | if (device_create_bin_file(dev, &bin_attr_esw_stats)) |
4297 | dev_info(dev, "failed to create eswitch stats sysfs entry"); | |
af19b491 AKS |
4298 | } |
4299 | ||
af19b491 AKS |
4300 | static void |
4301 | qlcnic_remove_diag_entries(struct qlcnic_adapter *adapter) | |
4302 | { | |
4303 | struct device *dev = &adapter->pdev->dev; | |
4304 | ||
b6021212 AKS |
4305 | device_remove_bin_file(dev, &bin_attr_port_stats); |
4306 | ||
132ff00a AC |
4307 | if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC) |
4308 | return; | |
af19b491 | 4309 | device_remove_file(dev, &dev_attr_diag_mode); |
728a98b8 | 4310 | device_remove_file(dev, &dev_attr_beacon); |
af19b491 AKS |
4311 | device_remove_bin_file(dev, &bin_attr_crb); |
4312 | device_remove_bin_file(dev, &bin_attr_mem); | |
53478fef | 4313 | device_remove_bin_file(dev, &bin_attr_pci_config); |
4e8acb01 RB |
4314 | if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) |
4315 | return; | |
4316 | device_remove_bin_file(dev, &bin_attr_esw_config); | |
4317 | if (adapter->op_mode != QLCNIC_MGMT_FUNC) | |
346fe763 | 4318 | return; |
346fe763 | 4319 | device_remove_bin_file(dev, &bin_attr_npar_config); |
346fe763 | 4320 | device_remove_bin_file(dev, &bin_attr_pm_config); |
b6021212 | 4321 | device_remove_bin_file(dev, &bin_attr_esw_stats); |
af19b491 AKS |
4322 | } |
4323 | ||
4324 | #ifdef CONFIG_INET | |
4325 | ||
4326 | #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops) | |
4327 | ||
af19b491 | 4328 | static void |
aec1e845 AKS |
4329 | qlcnic_config_indev_addr(struct qlcnic_adapter *adapter, |
4330 | struct net_device *dev, unsigned long event) | |
af19b491 AKS |
4331 | { |
4332 | struct in_device *indev; | |
af19b491 | 4333 | |
af19b491 AKS |
4334 | indev = in_dev_get(dev); |
4335 | if (!indev) | |
4336 | return; | |
4337 | ||
4338 | for_ifa(indev) { | |
4339 | switch (event) { | |
4340 | case NETDEV_UP: | |
4341 | qlcnic_config_ipaddr(adapter, | |
4342 | ifa->ifa_address, QLCNIC_IP_UP); | |
4343 | break; | |
4344 | case NETDEV_DOWN: | |
4345 | qlcnic_config_ipaddr(adapter, | |
4346 | ifa->ifa_address, QLCNIC_IP_DOWN); | |
4347 | break; | |
4348 | default: | |
4349 | break; | |
4350 | } | |
4351 | } endfor_ifa(indev); | |
4352 | ||
4353 | in_dev_put(indev); | |
af19b491 AKS |
4354 | } |
4355 | ||
aec1e845 AKS |
4356 | static void |
4357 | qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event) | |
4358 | { | |
4359 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
4360 | struct net_device *dev; | |
4361 | u16 vid; | |
4362 | ||
4363 | qlcnic_config_indev_addr(adapter, netdev, event); | |
4364 | ||
b9796a14 | 4365 | for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) { |
223bb15e | 4366 | dev = __vlan_find_dev_deep(netdev, vid); |
aec1e845 AKS |
4367 | if (!dev) |
4368 | continue; | |
aec1e845 AKS |
4369 | qlcnic_config_indev_addr(adapter, dev, event); |
4370 | } | |
4371 | } | |
4372 | ||
af19b491 AKS |
4373 | static int qlcnic_netdev_event(struct notifier_block *this, |
4374 | unsigned long event, void *ptr) | |
4375 | { | |
4376 | struct qlcnic_adapter *adapter; | |
4377 | struct net_device *dev = (struct net_device *)ptr; | |
4378 | ||
4379 | recheck: | |
4380 | if (dev == NULL) | |
4381 | goto done; | |
4382 | ||
4383 | if (dev->priv_flags & IFF_802_1Q_VLAN) { | |
4384 | dev = vlan_dev_real_dev(dev); | |
4385 | goto recheck; | |
4386 | } | |
4387 | ||
4388 | if (!is_qlcnic_netdev(dev)) | |
4389 | goto done; | |
4390 | ||
4391 | adapter = netdev_priv(dev); | |
4392 | ||
4393 | if (!adapter) | |
4394 | goto done; | |
4395 | ||
8a15ad1f | 4396 | if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) |
af19b491 AKS |
4397 | goto done; |
4398 | ||
aec1e845 | 4399 | qlcnic_config_indev_addr(adapter, dev, event); |
af19b491 AKS |
4400 | done: |
4401 | return NOTIFY_DONE; | |
4402 | } | |
4403 | ||
4404 | static int | |
4405 | qlcnic_inetaddr_event(struct notifier_block *this, | |
4406 | unsigned long event, void *ptr) | |
4407 | { | |
4408 | struct qlcnic_adapter *adapter; | |
4409 | struct net_device *dev; | |
4410 | ||
4411 | struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; | |
4412 | ||
4413 | dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; | |
4414 | ||
4415 | recheck: | |
aec1e845 | 4416 | if (dev == NULL) |
af19b491 AKS |
4417 | goto done; |
4418 | ||
4419 | if (dev->priv_flags & IFF_802_1Q_VLAN) { | |
4420 | dev = vlan_dev_real_dev(dev); | |
4421 | goto recheck; | |
4422 | } | |
4423 | ||
4424 | if (!is_qlcnic_netdev(dev)) | |
4425 | goto done; | |
4426 | ||
4427 | adapter = netdev_priv(dev); | |
4428 | ||
251a84c9 | 4429 | if (!adapter) |
af19b491 AKS |
4430 | goto done; |
4431 | ||
8a15ad1f | 4432 | if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) |
af19b491 AKS |
4433 | goto done; |
4434 | ||
4435 | switch (event) { | |
4436 | case NETDEV_UP: | |
4437 | qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP); | |
4438 | break; | |
4439 | case NETDEV_DOWN: | |
4440 | qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN); | |
4441 | break; | |
4442 | default: | |
4443 | break; | |
4444 | } | |
4445 | ||
4446 | done: | |
4447 | return NOTIFY_DONE; | |
4448 | } | |
4449 | ||
4450 | static struct notifier_block qlcnic_netdev_cb = { | |
4451 | .notifier_call = qlcnic_netdev_event, | |
4452 | }; | |
4453 | ||
4454 | static struct notifier_block qlcnic_inetaddr_cb = { | |
4455 | .notifier_call = qlcnic_inetaddr_event, | |
4456 | }; | |
4457 | #else | |
4458 | static void | |
aec1e845 | 4459 | qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event) |
af19b491 AKS |
4460 | { } |
4461 | #endif | |
451724c8 SC |
4462 | static struct pci_error_handlers qlcnic_err_handler = { |
4463 | .error_detected = qlcnic_io_error_detected, | |
4464 | .slot_reset = qlcnic_io_slot_reset, | |
4465 | .resume = qlcnic_io_resume, | |
4466 | }; | |
af19b491 AKS |
4467 | |
4468 | static struct pci_driver qlcnic_driver = { | |
4469 | .name = qlcnic_driver_name, | |
4470 | .id_table = qlcnic_pci_tbl, | |
4471 | .probe = qlcnic_probe, | |
4472 | .remove = __devexit_p(qlcnic_remove), | |
4473 | #ifdef CONFIG_PM | |
4474 | .suspend = qlcnic_suspend, | |
4475 | .resume = qlcnic_resume, | |
4476 | #endif | |
451724c8 SC |
4477 | .shutdown = qlcnic_shutdown, |
4478 | .err_handler = &qlcnic_err_handler | |
4479 | ||
af19b491 AKS |
4480 | }; |
4481 | ||
4482 | static int __init qlcnic_init_module(void) | |
4483 | { | |
0cf3a14c | 4484 | int ret; |
af19b491 AKS |
4485 | |
4486 | printk(KERN_INFO "%s\n", qlcnic_driver_string); | |
4487 | ||
f7ec804a AKS |
4488 | qlcnic_wq = create_singlethread_workqueue("qlcnic"); |
4489 | if (qlcnic_wq == NULL) { | |
4490 | printk(KERN_ERR "qlcnic: cannot create workqueue\n"); | |
4491 | return -ENOMEM; | |
4492 | } | |
4493 | ||
af19b491 AKS |
4494 | #ifdef CONFIG_INET |
4495 | register_netdevice_notifier(&qlcnic_netdev_cb); | |
4496 | register_inetaddr_notifier(&qlcnic_inetaddr_cb); | |
4497 | #endif | |
4498 | ||
0cf3a14c AKS |
4499 | ret = pci_register_driver(&qlcnic_driver); |
4500 | if (ret) { | |
4501 | #ifdef CONFIG_INET | |
4502 | unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); | |
4503 | unregister_netdevice_notifier(&qlcnic_netdev_cb); | |
4504 | #endif | |
f7ec804a | 4505 | destroy_workqueue(qlcnic_wq); |
0cf3a14c | 4506 | } |
af19b491 | 4507 | |
0cf3a14c | 4508 | return ret; |
af19b491 AKS |
4509 | } |
4510 | ||
4511 | module_init(qlcnic_init_module); | |
4512 | ||
4513 | static void __exit qlcnic_exit_module(void) | |
4514 | { | |
4515 | ||
4516 | pci_unregister_driver(&qlcnic_driver); | |
4517 | ||
4518 | #ifdef CONFIG_INET | |
4519 | unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); | |
4520 | unregister_netdevice_notifier(&qlcnic_netdev_cb); | |
4521 | #endif | |
f7ec804a | 4522 | destroy_workqueue(qlcnic_wq); |
af19b491 AKS |
4523 | } |
4524 | ||
4525 | module_exit(qlcnic_exit_module); |