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af19b491 AKS |
1 | /* |
2 | * Copyright (C) 2009 - QLogic Corporation. | |
3 | * All rights reserved. | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or | |
6 | * modify it under the terms of the GNU General Public License | |
7 | * as published by the Free Software Foundation; either version 2 | |
8 | * of the License, or (at your option) any later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, but | |
11 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program; if not, write to the Free Software | |
17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, | |
18 | * MA 02111-1307, USA. | |
19 | * | |
20 | * The full GNU General Public License is included in this distribution | |
21 | * in the file called "COPYING". | |
22 | * | |
23 | */ | |
24 | ||
5a0e3ad6 | 25 | #include <linux/slab.h> |
af19b491 AKS |
26 | #include <linux/vmalloc.h> |
27 | #include <linux/interrupt.h> | |
28 | ||
29 | #include "qlcnic.h" | |
30 | ||
31 | #include <linux/dma-mapping.h> | |
32 | #include <linux/if_vlan.h> | |
33 | #include <net/ip.h> | |
34 | #include <linux/ipv6.h> | |
35 | #include <linux/inetdevice.h> | |
36 | #include <linux/sysfs.h> | |
451724c8 | 37 | #include <linux/aer.h> |
af19b491 | 38 | |
7f9a0c34 | 39 | MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver"); |
af19b491 AKS |
40 | MODULE_LICENSE("GPL"); |
41 | MODULE_VERSION(QLCNIC_LINUX_VERSIONID); | |
42 | MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME); | |
43 | ||
44 | char qlcnic_driver_name[] = "qlcnic"; | |
7f9a0c34 SV |
45 | static const char qlcnic_driver_string[] = "QLogic 1/10 GbE " |
46 | "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID; | |
af19b491 AKS |
47 | |
48 | static int port_mode = QLCNIC_PORT_MODE_AUTO_NEG; | |
49 | ||
50 | /* Default to restricted 1G auto-neg mode */ | |
51 | static int wol_port_mode = 5; | |
52 | ||
b5e5492c AKS |
53 | static int qlcnic_mac_learn; |
54 | module_param(qlcnic_mac_learn, int, 0644); | |
55 | MODULE_PARM_DESC(qlcnic_mac_learn, "Mac Filter (0=disabled, 1=enabled)"); | |
56 | ||
af19b491 AKS |
57 | static int use_msi = 1; |
58 | module_param(use_msi, int, 0644); | |
59 | MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled"); | |
60 | ||
61 | static int use_msi_x = 1; | |
62 | module_param(use_msi_x, int, 0644); | |
63 | MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled"); | |
64 | ||
65 | static int auto_fw_reset = AUTO_FW_RESET_ENABLED; | |
66 | module_param(auto_fw_reset, int, 0644); | |
67 | MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled"); | |
68 | ||
4d5bdb38 AKS |
69 | static int load_fw_file; |
70 | module_param(load_fw_file, int, 0644); | |
71 | MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file"); | |
72 | ||
2e9d722d AC |
73 | static int qlcnic_config_npars; |
74 | module_param(qlcnic_config_npars, int, 0644); | |
75 | MODULE_PARM_DESC(qlcnic_config_npars, "Configure NPARs (0=disabled, 1=enabled"); | |
76 | ||
af19b491 AKS |
77 | static int __devinit qlcnic_probe(struct pci_dev *pdev, |
78 | const struct pci_device_id *ent); | |
79 | static void __devexit qlcnic_remove(struct pci_dev *pdev); | |
80 | static int qlcnic_open(struct net_device *netdev); | |
81 | static int qlcnic_close(struct net_device *netdev); | |
af19b491 | 82 | static void qlcnic_tx_timeout(struct net_device *netdev); |
af19b491 AKS |
83 | static void qlcnic_attach_work(struct work_struct *work); |
84 | static void qlcnic_fwinit_work(struct work_struct *work); | |
85 | static void qlcnic_fw_poll_work(struct work_struct *work); | |
86 | static void qlcnic_schedule_work(struct qlcnic_adapter *adapter, | |
87 | work_func_t func, int delay); | |
88 | static void qlcnic_cancel_fw_work(struct qlcnic_adapter *adapter); | |
89 | static int qlcnic_poll(struct napi_struct *napi, int budget); | |
8f891387 | 90 | static int qlcnic_rx_poll(struct napi_struct *napi, int budget); |
af19b491 AKS |
91 | #ifdef CONFIG_NET_POLL_CONTROLLER |
92 | static void qlcnic_poll_controller(struct net_device *netdev); | |
93 | #endif | |
94 | ||
95 | static void qlcnic_create_sysfs_entries(struct qlcnic_adapter *adapter); | |
96 | static void qlcnic_remove_sysfs_entries(struct qlcnic_adapter *adapter); | |
97 | static void qlcnic_create_diag_entries(struct qlcnic_adapter *adapter); | |
98 | static void qlcnic_remove_diag_entries(struct qlcnic_adapter *adapter); | |
99 | ||
6df900e9 | 100 | static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding); |
21854f02 | 101 | static void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8); |
af19b491 AKS |
102 | static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter); |
103 | ||
7eb9855d | 104 | static irqreturn_t qlcnic_tmp_intr(int irq, void *data); |
af19b491 AKS |
105 | static irqreturn_t qlcnic_intr(int irq, void *data); |
106 | static irqreturn_t qlcnic_msi_intr(int irq, void *data); | |
107 | static irqreturn_t qlcnic_msix_intr(int irq, void *data); | |
108 | ||
109 | static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev); | |
aec1e845 | 110 | static void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long); |
9f26f547 AC |
111 | static int qlcnic_start_firmware(struct qlcnic_adapter *); |
112 | ||
b5e5492c AKS |
113 | static void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter); |
114 | static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter); | |
9f26f547 | 115 | static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *); |
9f26f547 AC |
116 | static int qlcnicvf_config_led(struct qlcnic_adapter *, u32, u32); |
117 | static int qlcnicvf_config_bridged_mode(struct qlcnic_adapter *, u32); | |
118 | static int qlcnicvf_start_firmware(struct qlcnic_adapter *); | |
0325d69b RB |
119 | static void qlcnic_set_netdev_features(struct qlcnic_adapter *, |
120 | struct qlcnic_esw_func_cfg *); | |
af19b491 AKS |
121 | /* PCI Device ID Table */ |
122 | #define ENTRY(device) \ | |
123 | {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \ | |
124 | .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0} | |
125 | ||
126 | #define PCI_DEVICE_ID_QLOGIC_QLE824X 0x8020 | |
127 | ||
6a902881 | 128 | static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = { |
af19b491 AKS |
129 | ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X), |
130 | {0,} | |
131 | }; | |
132 | ||
133 | MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl); | |
134 | ||
135 | ||
136 | void | |
137 | qlcnic_update_cmd_producer(struct qlcnic_adapter *adapter, | |
138 | struct qlcnic_host_tx_ring *tx_ring) | |
139 | { | |
140 | writel(tx_ring->producer, tx_ring->crb_cmd_producer); | |
af19b491 AKS |
141 | } |
142 | ||
143 | static const u32 msi_tgt_status[8] = { | |
144 | ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, | |
145 | ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3, | |
146 | ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5, | |
147 | ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7 | |
148 | }; | |
149 | ||
150 | static const | |
151 | struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG; | |
152 | ||
153 | static inline void qlcnic_disable_int(struct qlcnic_host_sds_ring *sds_ring) | |
154 | { | |
155 | writel(0, sds_ring->crb_intr_mask); | |
156 | } | |
157 | ||
158 | static inline void qlcnic_enable_int(struct qlcnic_host_sds_ring *sds_ring) | |
159 | { | |
160 | struct qlcnic_adapter *adapter = sds_ring->adapter; | |
161 | ||
162 | writel(0x1, sds_ring->crb_intr_mask); | |
163 | ||
164 | if (!QLCNIC_IS_MSI_FAMILY(adapter)) | |
165 | writel(0xfbff, adapter->tgt_mask_reg); | |
166 | } | |
167 | ||
168 | static int | |
169 | qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count) | |
170 | { | |
171 | int size = sizeof(struct qlcnic_host_sds_ring) * count; | |
172 | ||
173 | recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL); | |
174 | ||
807540ba | 175 | return recv_ctx->sds_rings == NULL; |
af19b491 AKS |
176 | } |
177 | ||
178 | static void | |
179 | qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx) | |
180 | { | |
181 | if (recv_ctx->sds_rings != NULL) | |
182 | kfree(recv_ctx->sds_rings); | |
183 | ||
184 | recv_ctx->sds_rings = NULL; | |
185 | } | |
186 | ||
187 | static int | |
188 | qlcnic_napi_add(struct qlcnic_adapter *adapter, struct net_device *netdev) | |
189 | { | |
190 | int ring; | |
191 | struct qlcnic_host_sds_ring *sds_ring; | |
192 | struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx; | |
193 | ||
194 | if (qlcnic_alloc_sds_rings(recv_ctx, adapter->max_sds_rings)) | |
195 | return -ENOMEM; | |
196 | ||
197 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
198 | sds_ring = &recv_ctx->sds_rings[ring]; | |
8f891387 | 199 | |
200 | if (ring == adapter->max_sds_rings - 1) | |
201 | netif_napi_add(netdev, &sds_ring->napi, qlcnic_poll, | |
202 | QLCNIC_NETDEV_WEIGHT/adapter->max_sds_rings); | |
203 | else | |
204 | netif_napi_add(netdev, &sds_ring->napi, | |
205 | qlcnic_rx_poll, QLCNIC_NETDEV_WEIGHT*2); | |
af19b491 AKS |
206 | } |
207 | ||
208 | return 0; | |
209 | } | |
210 | ||
211 | static void | |
212 | qlcnic_napi_del(struct qlcnic_adapter *adapter) | |
213 | { | |
214 | int ring; | |
215 | struct qlcnic_host_sds_ring *sds_ring; | |
216 | struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx; | |
217 | ||
218 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
219 | sds_ring = &recv_ctx->sds_rings[ring]; | |
220 | netif_napi_del(&sds_ring->napi); | |
221 | } | |
222 | ||
223 | qlcnic_free_sds_rings(&adapter->recv_ctx); | |
224 | } | |
225 | ||
226 | static void | |
227 | qlcnic_napi_enable(struct qlcnic_adapter *adapter) | |
228 | { | |
229 | int ring; | |
230 | struct qlcnic_host_sds_ring *sds_ring; | |
231 | struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx; | |
232 | ||
780ab790 AKS |
233 | if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) |
234 | return; | |
235 | ||
af19b491 AKS |
236 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
237 | sds_ring = &recv_ctx->sds_rings[ring]; | |
238 | napi_enable(&sds_ring->napi); | |
239 | qlcnic_enable_int(sds_ring); | |
240 | } | |
241 | } | |
242 | ||
243 | static void | |
244 | qlcnic_napi_disable(struct qlcnic_adapter *adapter) | |
245 | { | |
246 | int ring; | |
247 | struct qlcnic_host_sds_ring *sds_ring; | |
248 | struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx; | |
249 | ||
780ab790 AKS |
250 | if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) |
251 | return; | |
252 | ||
af19b491 AKS |
253 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
254 | sds_ring = &recv_ctx->sds_rings[ring]; | |
255 | qlcnic_disable_int(sds_ring); | |
256 | napi_synchronize(&sds_ring->napi); | |
257 | napi_disable(&sds_ring->napi); | |
258 | } | |
259 | } | |
260 | ||
261 | static void qlcnic_clear_stats(struct qlcnic_adapter *adapter) | |
262 | { | |
263 | memset(&adapter->stats, 0, sizeof(adapter->stats)); | |
af19b491 AKS |
264 | } |
265 | ||
af19b491 AKS |
266 | static void qlcnic_set_port_mode(struct qlcnic_adapter *adapter) |
267 | { | |
268 | u32 val, data; | |
269 | ||
270 | val = adapter->ahw.board_type; | |
271 | if ((val == QLCNIC_BRDTYPE_P3_HMEZ) || | |
272 | (val == QLCNIC_BRDTYPE_P3_XG_LOM)) { | |
273 | if (port_mode == QLCNIC_PORT_MODE_802_3_AP) { | |
274 | data = QLCNIC_PORT_MODE_802_3_AP; | |
275 | QLCWR32(adapter, QLCNIC_PORT_MODE_ADDR, data); | |
276 | } else if (port_mode == QLCNIC_PORT_MODE_XG) { | |
277 | data = QLCNIC_PORT_MODE_XG; | |
278 | QLCWR32(adapter, QLCNIC_PORT_MODE_ADDR, data); | |
279 | } else if (port_mode == QLCNIC_PORT_MODE_AUTO_NEG_1G) { | |
280 | data = QLCNIC_PORT_MODE_AUTO_NEG_1G; | |
281 | QLCWR32(adapter, QLCNIC_PORT_MODE_ADDR, data); | |
282 | } else if (port_mode == QLCNIC_PORT_MODE_AUTO_NEG_XG) { | |
283 | data = QLCNIC_PORT_MODE_AUTO_NEG_XG; | |
284 | QLCWR32(adapter, QLCNIC_PORT_MODE_ADDR, data); | |
285 | } else { | |
286 | data = QLCNIC_PORT_MODE_AUTO_NEG; | |
287 | QLCWR32(adapter, QLCNIC_PORT_MODE_ADDR, data); | |
288 | } | |
289 | ||
290 | if ((wol_port_mode != QLCNIC_PORT_MODE_802_3_AP) && | |
291 | (wol_port_mode != QLCNIC_PORT_MODE_XG) && | |
292 | (wol_port_mode != QLCNIC_PORT_MODE_AUTO_NEG_1G) && | |
293 | (wol_port_mode != QLCNIC_PORT_MODE_AUTO_NEG_XG)) { | |
294 | wol_port_mode = QLCNIC_PORT_MODE_AUTO_NEG; | |
295 | } | |
296 | QLCWR32(adapter, QLCNIC_WOL_PORT_MODE, wol_port_mode); | |
297 | } | |
298 | } | |
299 | ||
300 | static void qlcnic_set_msix_bit(struct pci_dev *pdev, int enable) | |
301 | { | |
302 | u32 control; | |
303 | int pos; | |
304 | ||
305 | pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX); | |
306 | if (pos) { | |
307 | pci_read_config_dword(pdev, pos, &control); | |
308 | if (enable) | |
309 | control |= PCI_MSIX_FLAGS_ENABLE; | |
310 | else | |
311 | control = 0; | |
312 | pci_write_config_dword(pdev, pos, control); | |
313 | } | |
314 | } | |
315 | ||
316 | static void qlcnic_init_msix_entries(struct qlcnic_adapter *adapter, int count) | |
317 | { | |
318 | int i; | |
319 | ||
320 | for (i = 0; i < count; i++) | |
321 | adapter->msix_entries[i].entry = i; | |
322 | } | |
323 | ||
324 | static int | |
325 | qlcnic_read_mac_addr(struct qlcnic_adapter *adapter) | |
326 | { | |
2e9d722d | 327 | u8 mac_addr[ETH_ALEN]; |
af19b491 AKS |
328 | struct net_device *netdev = adapter->netdev; |
329 | struct pci_dev *pdev = adapter->pdev; | |
330 | ||
da48e6c3 | 331 | if (qlcnic_get_mac_address(adapter, mac_addr) != 0) |
af19b491 AKS |
332 | return -EIO; |
333 | ||
2e9d722d | 334 | memcpy(netdev->dev_addr, mac_addr, ETH_ALEN); |
af19b491 AKS |
335 | memcpy(netdev->perm_addr, netdev->dev_addr, netdev->addr_len); |
336 | memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len); | |
337 | ||
338 | /* set station address */ | |
339 | ||
340 | if (!is_valid_ether_addr(netdev->perm_addr)) | |
341 | dev_warn(&pdev->dev, "Bad MAC address %pM.\n", | |
342 | netdev->dev_addr); | |
343 | ||
344 | return 0; | |
345 | } | |
346 | ||
347 | static int qlcnic_set_mac(struct net_device *netdev, void *p) | |
348 | { | |
349 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
350 | struct sockaddr *addr = p; | |
351 | ||
7373373d RB |
352 | if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED)) |
353 | return -EOPNOTSUPP; | |
354 | ||
af19b491 AKS |
355 | if (!is_valid_ether_addr(addr->sa_data)) |
356 | return -EINVAL; | |
357 | ||
8a15ad1f | 358 | if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { |
af19b491 AKS |
359 | netif_device_detach(netdev); |
360 | qlcnic_napi_disable(adapter); | |
361 | } | |
362 | ||
363 | memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len); | |
364 | memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); | |
365 | qlcnic_set_multi(adapter->netdev); | |
366 | ||
8a15ad1f | 367 | if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { |
af19b491 AKS |
368 | netif_device_attach(netdev); |
369 | qlcnic_napi_enable(adapter); | |
370 | } | |
371 | return 0; | |
372 | } | |
373 | ||
d5790663 AKS |
374 | static void qlcnic_vlan_rx_register(struct net_device *netdev, |
375 | struct vlan_group *grp) | |
376 | { | |
377 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
378 | adapter->vlgrp = grp; | |
379 | } | |
380 | ||
af19b491 AKS |
381 | static const struct net_device_ops qlcnic_netdev_ops = { |
382 | .ndo_open = qlcnic_open, | |
383 | .ndo_stop = qlcnic_close, | |
384 | .ndo_start_xmit = qlcnic_xmit_frame, | |
385 | .ndo_get_stats = qlcnic_get_stats, | |
386 | .ndo_validate_addr = eth_validate_addr, | |
387 | .ndo_set_multicast_list = qlcnic_set_multi, | |
388 | .ndo_set_mac_address = qlcnic_set_mac, | |
389 | .ndo_change_mtu = qlcnic_change_mtu, | |
390 | .ndo_tx_timeout = qlcnic_tx_timeout, | |
d5790663 | 391 | .ndo_vlan_rx_register = qlcnic_vlan_rx_register, |
af19b491 AKS |
392 | #ifdef CONFIG_NET_POLL_CONTROLLER |
393 | .ndo_poll_controller = qlcnic_poll_controller, | |
394 | #endif | |
395 | }; | |
396 | ||
2e9d722d | 397 | static struct qlcnic_nic_template qlcnic_ops = { |
2e9d722d AC |
398 | .config_bridged_mode = qlcnic_config_bridged_mode, |
399 | .config_led = qlcnic_config_led, | |
9f26f547 AC |
400 | .start_firmware = qlcnic_start_firmware |
401 | }; | |
402 | ||
403 | static struct qlcnic_nic_template qlcnic_vf_ops = { | |
9f26f547 AC |
404 | .config_bridged_mode = qlcnicvf_config_bridged_mode, |
405 | .config_led = qlcnicvf_config_led, | |
9f26f547 | 406 | .start_firmware = qlcnicvf_start_firmware |
2e9d722d AC |
407 | }; |
408 | ||
af19b491 AKS |
409 | static void |
410 | qlcnic_setup_intr(struct qlcnic_adapter *adapter) | |
411 | { | |
412 | const struct qlcnic_legacy_intr_set *legacy_intrp; | |
413 | struct pci_dev *pdev = adapter->pdev; | |
414 | int err, num_msix; | |
415 | ||
416 | if (adapter->rss_supported) { | |
417 | num_msix = (num_online_cpus() >= MSIX_ENTRIES_PER_ADAPTER) ? | |
418 | MSIX_ENTRIES_PER_ADAPTER : 2; | |
419 | } else | |
420 | num_msix = 1; | |
421 | ||
422 | adapter->max_sds_rings = 1; | |
423 | ||
424 | adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED); | |
425 | ||
426 | legacy_intrp = &legacy_intr[adapter->ahw.pci_func]; | |
427 | ||
428 | adapter->int_vec_bit = legacy_intrp->int_vec_bit; | |
429 | adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter, | |
430 | legacy_intrp->tgt_status_reg); | |
431 | adapter->tgt_mask_reg = qlcnic_get_ioaddr(adapter, | |
432 | legacy_intrp->tgt_mask_reg); | |
433 | adapter->isr_int_vec = qlcnic_get_ioaddr(adapter, ISR_INT_VECTOR); | |
434 | ||
435 | adapter->crb_int_state_reg = qlcnic_get_ioaddr(adapter, | |
436 | ISR_INT_STATE_REG); | |
437 | ||
438 | qlcnic_set_msix_bit(pdev, 0); | |
439 | ||
440 | if (adapter->msix_supported) { | |
441 | ||
442 | qlcnic_init_msix_entries(adapter, num_msix); | |
443 | err = pci_enable_msix(pdev, adapter->msix_entries, num_msix); | |
444 | if (err == 0) { | |
445 | adapter->flags |= QLCNIC_MSIX_ENABLED; | |
446 | qlcnic_set_msix_bit(pdev, 1); | |
447 | ||
448 | if (adapter->rss_supported) | |
449 | adapter->max_sds_rings = num_msix; | |
450 | ||
451 | dev_info(&pdev->dev, "using msi-x interrupts\n"); | |
452 | return; | |
453 | } | |
454 | ||
455 | if (err > 0) | |
456 | pci_disable_msix(pdev); | |
457 | ||
458 | /* fall through for msi */ | |
459 | } | |
460 | ||
461 | if (use_msi && !pci_enable_msi(pdev)) { | |
462 | adapter->flags |= QLCNIC_MSI_ENABLED; | |
463 | adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter, | |
464 | msi_tgt_status[adapter->ahw.pci_func]); | |
465 | dev_info(&pdev->dev, "using msi interrupts\n"); | |
466 | adapter->msix_entries[0].vector = pdev->irq; | |
467 | return; | |
468 | } | |
469 | ||
470 | dev_info(&pdev->dev, "using legacy interrupts\n"); | |
471 | adapter->msix_entries[0].vector = pdev->irq; | |
472 | } | |
473 | ||
474 | static void | |
475 | qlcnic_teardown_intr(struct qlcnic_adapter *adapter) | |
476 | { | |
477 | if (adapter->flags & QLCNIC_MSIX_ENABLED) | |
478 | pci_disable_msix(adapter->pdev); | |
479 | if (adapter->flags & QLCNIC_MSI_ENABLED) | |
480 | pci_disable_msi(adapter->pdev); | |
481 | } | |
482 | ||
483 | static void | |
484 | qlcnic_cleanup_pci_map(struct qlcnic_adapter *adapter) | |
485 | { | |
486 | if (adapter->ahw.pci_base0 != NULL) | |
487 | iounmap(adapter->ahw.pci_base0); | |
488 | } | |
489 | ||
346fe763 RB |
490 | static int |
491 | qlcnic_init_pci_info(struct qlcnic_adapter *adapter) | |
492 | { | |
e88db3bd | 493 | struct qlcnic_pci_info *pci_info; |
900853a4 | 494 | int i, ret = 0; |
346fe763 RB |
495 | u8 pfn; |
496 | ||
e88db3bd DC |
497 | pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL); |
498 | if (!pci_info) | |
499 | return -ENOMEM; | |
500 | ||
ca315ac2 | 501 | adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) * |
346fe763 | 502 | QLCNIC_MAX_PCI_FUNC, GFP_KERNEL); |
e88db3bd | 503 | if (!adapter->npars) { |
900853a4 | 504 | ret = -ENOMEM; |
e88db3bd DC |
505 | goto err_pci_info; |
506 | } | |
346fe763 | 507 | |
ca315ac2 | 508 | adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) * |
346fe763 RB |
509 | QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL); |
510 | if (!adapter->eswitch) { | |
900853a4 | 511 | ret = -ENOMEM; |
ca315ac2 | 512 | goto err_npars; |
346fe763 RB |
513 | } |
514 | ||
515 | ret = qlcnic_get_pci_info(adapter, pci_info); | |
ca315ac2 DC |
516 | if (ret) |
517 | goto err_eswitch; | |
346fe763 | 518 | |
ca315ac2 DC |
519 | for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) { |
520 | pfn = pci_info[i].id; | |
521 | if (pfn > QLCNIC_MAX_PCI_FUNC) | |
522 | return QL_STATUS_INVALID_PARAM; | |
523 | adapter->npars[pfn].active = pci_info[i].active; | |
524 | adapter->npars[pfn].type = pci_info[i].type; | |
525 | adapter->npars[pfn].phy_port = pci_info[i].default_port; | |
ca315ac2 DC |
526 | adapter->npars[pfn].min_bw = pci_info[i].tx_min_bw; |
527 | adapter->npars[pfn].max_bw = pci_info[i].tx_max_bw; | |
346fe763 RB |
528 | } |
529 | ||
ca315ac2 DC |
530 | for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) |
531 | adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE; | |
532 | ||
e88db3bd | 533 | kfree(pci_info); |
ca315ac2 DC |
534 | return 0; |
535 | ||
536 | err_eswitch: | |
346fe763 RB |
537 | kfree(adapter->eswitch); |
538 | adapter->eswitch = NULL; | |
ca315ac2 | 539 | err_npars: |
346fe763 | 540 | kfree(adapter->npars); |
ca315ac2 | 541 | adapter->npars = NULL; |
e88db3bd DC |
542 | err_pci_info: |
543 | kfree(pci_info); | |
346fe763 RB |
544 | |
545 | return ret; | |
546 | } | |
547 | ||
2e9d722d AC |
548 | static int |
549 | qlcnic_set_function_modes(struct qlcnic_adapter *adapter) | |
550 | { | |
551 | u8 id; | |
552 | u32 ref_count; | |
553 | int i, ret = 1; | |
554 | u32 data = QLCNIC_MGMT_FUNC; | |
555 | void __iomem *priv_op = adapter->ahw.pci_base0 + QLCNIC_DRV_OP_MODE; | |
556 | ||
557 | /* If other drivers are not in use set their privilege level */ | |
31018e06 | 558 | ref_count = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE); |
2e9d722d AC |
559 | ret = qlcnic_api_lock(adapter); |
560 | if (ret) | |
561 | goto err_lock; | |
2e9d722d | 562 | |
0e33c664 AC |
563 | if (qlcnic_config_npars) { |
564 | for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) { | |
346fe763 | 565 | id = i; |
0e33c664 AC |
566 | if (adapter->npars[i].type != QLCNIC_TYPE_NIC || |
567 | id == adapter->ahw.pci_func) | |
568 | continue; | |
569 | data |= (qlcnic_config_npars & | |
570 | QLC_DEV_SET_DRV(0xf, id)); | |
571 | } | |
572 | } else { | |
573 | data = readl(priv_op); | |
574 | data = (data & ~QLC_DEV_SET_DRV(0xf, adapter->ahw.pci_func)) | | |
575 | (QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, | |
576 | adapter->ahw.pci_func)); | |
2e9d722d AC |
577 | } |
578 | writel(data, priv_op); | |
2e9d722d AC |
579 | qlcnic_api_unlock(adapter); |
580 | err_lock: | |
581 | return ret; | |
582 | } | |
583 | ||
0866d96d AC |
584 | static void |
585 | qlcnic_check_vf(struct qlcnic_adapter *adapter) | |
2e9d722d AC |
586 | { |
587 | void __iomem *msix_base_addr; | |
588 | void __iomem *priv_op; | |
589 | u32 func; | |
590 | u32 msix_base; | |
591 | u32 op_mode, priv_level; | |
592 | ||
593 | /* Determine FW API version */ | |
594 | adapter->fw_hal_version = readl(adapter->ahw.pci_base0 + QLCNIC_FW_API); | |
2e9d722d AC |
595 | |
596 | /* Find PCI function number */ | |
597 | pci_read_config_dword(adapter->pdev, QLCNIC_MSIX_TABLE_OFFSET, &func); | |
598 | msix_base_addr = adapter->ahw.pci_base0 + QLCNIC_MSIX_BASE; | |
599 | msix_base = readl(msix_base_addr); | |
600 | func = (func - msix_base)/QLCNIC_MSIX_TBL_PGSIZE; | |
601 | adapter->ahw.pci_func = func; | |
602 | ||
603 | /* Determine function privilege level */ | |
604 | priv_op = adapter->ahw.pci_base0 + QLCNIC_DRV_OP_MODE; | |
605 | op_mode = readl(priv_op); | |
0e33c664 | 606 | if (op_mode == QLC_DEV_DRV_DEFAULT) |
2e9d722d | 607 | priv_level = QLCNIC_MGMT_FUNC; |
0e33c664 | 608 | else |
2e9d722d AC |
609 | priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw.pci_func); |
610 | ||
0866d96d | 611 | if (priv_level == QLCNIC_NON_PRIV_FUNC) { |
9f26f547 AC |
612 | adapter->op_mode = QLCNIC_NON_PRIV_FUNC; |
613 | dev_info(&adapter->pdev->dev, | |
614 | "HAL Version: %d Non Privileged function\n", | |
615 | adapter->fw_hal_version); | |
616 | adapter->nic_ops = &qlcnic_vf_ops; | |
0866d96d AC |
617 | } else |
618 | adapter->nic_ops = &qlcnic_ops; | |
2e9d722d AC |
619 | } |
620 | ||
af19b491 AKS |
621 | static int |
622 | qlcnic_setup_pci_map(struct qlcnic_adapter *adapter) | |
623 | { | |
624 | void __iomem *mem_ptr0 = NULL; | |
625 | resource_size_t mem_base; | |
626 | unsigned long mem_len, pci_len0 = 0; | |
627 | ||
628 | struct pci_dev *pdev = adapter->pdev; | |
af19b491 | 629 | |
af19b491 AKS |
630 | /* remap phys address */ |
631 | mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */ | |
632 | mem_len = pci_resource_len(pdev, 0); | |
633 | ||
634 | if (mem_len == QLCNIC_PCI_2MB_SIZE) { | |
635 | ||
636 | mem_ptr0 = pci_ioremap_bar(pdev, 0); | |
637 | if (mem_ptr0 == NULL) { | |
638 | dev_err(&pdev->dev, "failed to map PCI bar 0\n"); | |
639 | return -EIO; | |
640 | } | |
641 | pci_len0 = mem_len; | |
642 | } else { | |
643 | return -EIO; | |
644 | } | |
645 | ||
646 | dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20)); | |
647 | ||
648 | adapter->ahw.pci_base0 = mem_ptr0; | |
649 | adapter->ahw.pci_len0 = pci_len0; | |
650 | ||
0866d96d | 651 | qlcnic_check_vf(adapter); |
2e9d722d | 652 | |
af19b491 | 653 | adapter->ahw.ocm_win_crb = qlcnic_get_ioaddr(adapter, |
2e9d722d | 654 | QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(adapter->ahw.pci_func))); |
af19b491 AKS |
655 | |
656 | return 0; | |
657 | } | |
658 | ||
659 | static void get_brd_name(struct qlcnic_adapter *adapter, char *name) | |
660 | { | |
661 | struct pci_dev *pdev = adapter->pdev; | |
662 | int i, found = 0; | |
663 | ||
664 | for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) { | |
665 | if (qlcnic_boards[i].vendor == pdev->vendor && | |
666 | qlcnic_boards[i].device == pdev->device && | |
667 | qlcnic_boards[i].sub_vendor == pdev->subsystem_vendor && | |
668 | qlcnic_boards[i].sub_device == pdev->subsystem_device) { | |
02f6e46f SC |
669 | sprintf(name, "%pM: %s" , |
670 | adapter->mac_addr, | |
671 | qlcnic_boards[i].short_name); | |
af19b491 AKS |
672 | found = 1; |
673 | break; | |
674 | } | |
675 | ||
676 | } | |
677 | ||
678 | if (!found) | |
7f9a0c34 | 679 | sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr); |
af19b491 AKS |
680 | } |
681 | ||
682 | static void | |
683 | qlcnic_check_options(struct qlcnic_adapter *adapter) | |
684 | { | |
685 | u32 fw_major, fw_minor, fw_build; | |
af19b491 | 686 | struct pci_dev *pdev = adapter->pdev; |
af19b491 AKS |
687 | |
688 | fw_major = QLCRD32(adapter, QLCNIC_FW_VERSION_MAJOR); | |
689 | fw_minor = QLCRD32(adapter, QLCNIC_FW_VERSION_MINOR); | |
690 | fw_build = QLCRD32(adapter, QLCNIC_FW_VERSION_SUB); | |
691 | ||
692 | adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build); | |
693 | ||
251a84c9 AKS |
694 | dev_info(&pdev->dev, "firmware v%d.%d.%d\n", |
695 | fw_major, fw_minor, fw_build); | |
af19b491 | 696 | |
af19b491 AKS |
697 | adapter->flags &= ~QLCNIC_LRO_ENABLED; |
698 | ||
699 | if (adapter->ahw.port_type == QLCNIC_XGBE) { | |
700 | adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G; | |
701 | adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; | |
702 | } else if (adapter->ahw.port_type == QLCNIC_GBE) { | |
703 | adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; | |
704 | adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; | |
705 | } | |
706 | ||
707 | adapter->msix_supported = !!use_msi_x; | |
708 | adapter->rss_supported = !!use_msi_x; | |
709 | ||
710 | adapter->num_txd = MAX_CMD_DESCRIPTORS; | |
711 | ||
251b036a | 712 | adapter->max_rds_rings = MAX_RDS_RINGS; |
af19b491 AKS |
713 | } |
714 | ||
174240a8 RB |
715 | static int |
716 | qlcnic_initialize_nic(struct qlcnic_adapter *adapter) | |
717 | { | |
718 | int err; | |
719 | struct qlcnic_info nic_info; | |
720 | ||
721 | err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw.pci_func); | |
722 | if (err) | |
723 | return err; | |
724 | ||
725 | adapter->physical_port = nic_info.phys_port; | |
726 | adapter->switch_mode = nic_info.switch_mode; | |
727 | adapter->max_tx_ques = nic_info.max_tx_ques; | |
728 | adapter->max_rx_ques = nic_info.max_rx_ques; | |
729 | adapter->capabilities = nic_info.capabilities; | |
730 | adapter->max_mac_filters = nic_info.max_mac_filters; | |
731 | adapter->max_mtu = nic_info.max_mtu; | |
732 | ||
733 | if (adapter->capabilities & BIT_6) | |
734 | adapter->flags |= QLCNIC_ESWITCH_ENABLED; | |
735 | else | |
736 | adapter->flags &= ~QLCNIC_ESWITCH_ENABLED; | |
737 | ||
738 | return err; | |
739 | } | |
740 | ||
8cf61f89 AKS |
741 | static void |
742 | qlcnic_set_vlan_config(struct qlcnic_adapter *adapter, | |
743 | struct qlcnic_esw_func_cfg *esw_cfg) | |
744 | { | |
745 | if (esw_cfg->discard_tagged) | |
746 | adapter->flags &= ~QLCNIC_TAGGING_ENABLED; | |
747 | else | |
748 | adapter->flags |= QLCNIC_TAGGING_ENABLED; | |
749 | ||
750 | if (esw_cfg->vlan_id) | |
751 | adapter->pvid = esw_cfg->vlan_id; | |
752 | else | |
753 | adapter->pvid = 0; | |
754 | } | |
755 | ||
0325d69b RB |
756 | static void |
757 | qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter, | |
758 | struct qlcnic_esw_func_cfg *esw_cfg) | |
759 | { | |
fe4d434d | 760 | adapter->flags &= ~QLCNIC_MACSPOOF; |
7373373d | 761 | adapter->flags &= ~QLCNIC_MAC_OVERRIDE_DISABLED; |
7613c87b RB |
762 | |
763 | if (esw_cfg->mac_anti_spoof) | |
764 | adapter->flags |= QLCNIC_MACSPOOF; | |
fe4d434d | 765 | |
7373373d RB |
766 | if (!esw_cfg->mac_override) |
767 | adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED; | |
768 | ||
0325d69b RB |
769 | qlcnic_set_netdev_features(adapter, esw_cfg); |
770 | } | |
771 | ||
772 | static int | |
773 | qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter) | |
774 | { | |
775 | struct qlcnic_esw_func_cfg esw_cfg; | |
776 | ||
777 | if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) | |
778 | return 0; | |
779 | ||
780 | esw_cfg.pci_func = adapter->ahw.pci_func; | |
781 | if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg)) | |
782 | return -EIO; | |
8cf61f89 | 783 | qlcnic_set_vlan_config(adapter, &esw_cfg); |
0325d69b RB |
784 | qlcnic_set_eswitch_port_features(adapter, &esw_cfg); |
785 | ||
786 | return 0; | |
787 | } | |
788 | ||
789 | static void | |
790 | qlcnic_set_netdev_features(struct qlcnic_adapter *adapter, | |
791 | struct qlcnic_esw_func_cfg *esw_cfg) | |
792 | { | |
793 | struct net_device *netdev = adapter->netdev; | |
794 | unsigned long features, vlan_features; | |
795 | ||
796 | features = (NETIF_F_SG | NETIF_F_IP_CSUM | | |
797 | NETIF_F_IPV6_CSUM | NETIF_F_GRO); | |
798 | vlan_features = (NETIF_F_SG | NETIF_F_IP_CSUM | | |
799 | NETIF_F_IPV6_CSUM); | |
800 | ||
801 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_TSO) { | |
802 | features |= (NETIF_F_TSO | NETIF_F_TSO6); | |
803 | vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6); | |
804 | } | |
805 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) | |
806 | features |= NETIF_F_LRO; | |
807 | ||
808 | if (esw_cfg->offload_flags & BIT_0) { | |
809 | netdev->features |= features; | |
810 | adapter->rx_csum = 1; | |
811 | if (!(esw_cfg->offload_flags & BIT_1)) | |
812 | netdev->features &= ~NETIF_F_TSO; | |
813 | if (!(esw_cfg->offload_flags & BIT_2)) | |
814 | netdev->features &= ~NETIF_F_TSO6; | |
815 | } else { | |
816 | netdev->features &= ~features; | |
817 | adapter->rx_csum = 0; | |
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 | ||
837 | priv_op = adapter->ahw.pci_base0 + QLCNIC_DRV_OP_MODE; | |
838 | op_mode = readl(priv_op); | |
839 | priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw.pci_func); | |
840 | ||
841 | if (op_mode == QLC_DEV_DRV_DEFAULT) | |
842 | priv_level = QLCNIC_MGMT_FUNC; | |
843 | else | |
844 | priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw.pci_func); | |
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; |
0325d69b RB |
887 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_TSO) |
888 | esw_cfg.offload_flags |= (BIT_1 | BIT_2); | |
889 | if (qlcnic_config_switch_port(adapter, &esw_cfg)) | |
890 | return -EIO; | |
891 | npar = &adapter->npars[i]; | |
892 | npar->pvid = esw_cfg.vlan_id; | |
7373373d | 893 | npar->mac_override = esw_cfg.mac_override; |
0325d69b RB |
894 | npar->mac_anti_spoof = esw_cfg.mac_anti_spoof; |
895 | npar->discard_tagged = esw_cfg.discard_tagged; | |
896 | npar->promisc_mode = esw_cfg.promisc_mode; | |
897 | npar->offload_flags = esw_cfg.offload_flags; | |
898 | } | |
899 | ||
900 | return 0; | |
901 | } | |
902 | ||
4e8acb01 RB |
903 | static int |
904 | qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter, | |
905 | struct qlcnic_npar_info *npar, int pci_func) | |
906 | { | |
907 | struct qlcnic_esw_func_cfg esw_cfg; | |
908 | esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS; | |
909 | esw_cfg.pci_func = pci_func; | |
910 | esw_cfg.vlan_id = npar->pvid; | |
7373373d | 911 | esw_cfg.mac_override = npar->mac_override; |
4e8acb01 RB |
912 | esw_cfg.discard_tagged = npar->discard_tagged; |
913 | esw_cfg.mac_anti_spoof = npar->mac_anti_spoof; | |
914 | esw_cfg.offload_flags = npar->offload_flags; | |
915 | esw_cfg.promisc_mode = npar->promisc_mode; | |
916 | if (qlcnic_config_switch_port(adapter, &esw_cfg)) | |
917 | return -EIO; | |
918 | ||
919 | esw_cfg.op_mode = QLCNIC_ADD_VLAN; | |
920 | if (qlcnic_config_switch_port(adapter, &esw_cfg)) | |
921 | return -EIO; | |
922 | ||
923 | return 0; | |
924 | } | |
925 | ||
cea8975e AC |
926 | static int |
927 | qlcnic_reset_npar_config(struct qlcnic_adapter *adapter) | |
928 | { | |
4e8acb01 | 929 | int i, err; |
cea8975e AC |
930 | struct qlcnic_npar_info *npar; |
931 | struct qlcnic_info nic_info; | |
932 | ||
174240a8 | 933 | if (!adapter->need_fw_reset) |
cea8975e AC |
934 | return 0; |
935 | ||
4e8acb01 RB |
936 | /* Set the NPAR config data after FW reset */ |
937 | for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) { | |
938 | npar = &adapter->npars[i]; | |
939 | if (npar->type != QLCNIC_TYPE_NIC) | |
940 | continue; | |
941 | err = qlcnic_get_nic_info(adapter, &nic_info, i); | |
942 | if (err) | |
943 | return err; | |
944 | nic_info.min_tx_bw = npar->min_bw; | |
945 | nic_info.max_tx_bw = npar->max_bw; | |
946 | err = qlcnic_set_nic_info(adapter, &nic_info); | |
947 | if (err) | |
948 | return err; | |
cea8975e | 949 | |
4e8acb01 RB |
950 | if (npar->enable_pm) { |
951 | err = qlcnic_config_port_mirroring(adapter, | |
952 | npar->dest_npar, 1, i); | |
953 | if (err) | |
954 | return err; | |
cea8975e | 955 | } |
4e8acb01 RB |
956 | err = qlcnic_reset_eswitch_config(adapter, npar, i); |
957 | if (err) | |
958 | return err; | |
cea8975e | 959 | } |
4e8acb01 | 960 | return 0; |
cea8975e AC |
961 | } |
962 | ||
78f84e1a AKS |
963 | static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter) |
964 | { | |
965 | u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO; | |
966 | u32 npar_state; | |
967 | ||
968 | if (adapter->op_mode == QLCNIC_MGMT_FUNC) | |
969 | return 0; | |
970 | ||
971 | npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); | |
972 | while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) { | |
973 | msleep(1000); | |
974 | npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); | |
975 | } | |
976 | if (!npar_opt_timeo) { | |
977 | dev_err(&adapter->pdev->dev, | |
978 | "Waiting for NPAR state to opertional timeout\n"); | |
979 | return -EIO; | |
980 | } | |
981 | return 0; | |
982 | } | |
983 | ||
174240a8 RB |
984 | static int |
985 | qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter) | |
986 | { | |
987 | int err; | |
988 | ||
989 | if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) || | |
990 | adapter->op_mode != QLCNIC_MGMT_FUNC) | |
991 | return 0; | |
992 | ||
993 | err = qlcnic_set_default_offload_settings(adapter); | |
994 | if (err) | |
995 | return err; | |
996 | ||
997 | err = qlcnic_reset_npar_config(adapter); | |
998 | if (err) | |
999 | return err; | |
1000 | ||
1001 | qlcnic_dev_set_npar_ready(adapter); | |
1002 | ||
1003 | return err; | |
1004 | } | |
1005 | ||
af19b491 AKS |
1006 | static int |
1007 | qlcnic_start_firmware(struct qlcnic_adapter *adapter) | |
1008 | { | |
d4066833 | 1009 | int err; |
af19b491 | 1010 | |
aa5e18c0 SC |
1011 | err = qlcnic_can_start_firmware(adapter); |
1012 | if (err < 0) | |
1013 | return err; | |
1014 | else if (!err) | |
d4066833 | 1015 | goto check_fw_status; |
af19b491 | 1016 | |
4d5bdb38 AKS |
1017 | if (load_fw_file) |
1018 | qlcnic_request_firmware(adapter); | |
8f891387 | 1019 | else { |
8cfdce08 SC |
1020 | err = qlcnic_check_flash_fw_ver(adapter); |
1021 | if (err) | |
8f891387 | 1022 | goto err_out; |
1023 | ||
4d5bdb38 | 1024 | adapter->fw_type = QLCNIC_FLASH_ROMIMAGE; |
8f891387 | 1025 | } |
af19b491 AKS |
1026 | |
1027 | err = qlcnic_need_fw_reset(adapter); | |
af19b491 | 1028 | if (err == 0) |
4e70812b | 1029 | goto check_fw_status; |
af19b491 | 1030 | |
d4066833 SC |
1031 | err = qlcnic_pinit_from_rom(adapter); |
1032 | if (err) | |
1033 | goto err_out; | |
af19b491 AKS |
1034 | qlcnic_set_port_mode(adapter); |
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; | |
1084 | struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx; | |
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 | ||
1121 | struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx; | |
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 | ||
1129 | static void | |
1130 | qlcnic_init_coalesce_defaults(struct qlcnic_adapter *adapter) | |
1131 | { | |
1132 | adapter->coal.flags = QLCNIC_INTR_DEFAULT; | |
1133 | adapter->coal.normal.data.rx_time_us = | |
1134 | QLCNIC_DEFAULT_INTR_COALESCE_RX_TIME_US; | |
1135 | adapter->coal.normal.data.rx_packets = | |
1136 | QLCNIC_DEFAULT_INTR_COALESCE_RX_PACKETS; | |
1137 | adapter->coal.normal.data.tx_time_us = | |
1138 | QLCNIC_DEFAULT_INTR_COALESCE_TX_TIME_US; | |
1139 | adapter->coal.normal.data.tx_packets = | |
1140 | QLCNIC_DEFAULT_INTR_COALESCE_TX_PACKETS; | |
1141 | } | |
1142 | ||
1143 | static int | |
1144 | __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) | |
1145 | { | |
8a15ad1f AKS |
1146 | int ring; |
1147 | struct qlcnic_host_rds_ring *rds_ring; | |
1148 | ||
af19b491 AKS |
1149 | if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) |
1150 | return -EIO; | |
1151 | ||
8a15ad1f AKS |
1152 | if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) |
1153 | return 0; | |
0325d69b RB |
1154 | if (qlcnic_set_eswitch_port_config(adapter)) |
1155 | return -EIO; | |
8a15ad1f AKS |
1156 | |
1157 | if (qlcnic_fw_create_ctx(adapter)) | |
1158 | return -EIO; | |
1159 | ||
1160 | for (ring = 0; ring < adapter->max_rds_rings; ring++) { | |
1161 | rds_ring = &adapter->recv_ctx.rds_rings[ring]; | |
1162 | qlcnic_post_rx_buffers(adapter, ring, rds_ring); | |
1163 | } | |
1164 | ||
af19b491 AKS |
1165 | qlcnic_set_multi(netdev); |
1166 | qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu); | |
1167 | ||
1168 | adapter->ahw.linkup = 0; | |
1169 | ||
1170 | if (adapter->max_sds_rings > 1) | |
1171 | qlcnic_config_rss(adapter, 1); | |
1172 | ||
1173 | qlcnic_config_intr_coalesce(adapter); | |
1174 | ||
24763d80 | 1175 | if (netdev->features & NETIF_F_LRO) |
af19b491 AKS |
1176 | qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED); |
1177 | ||
1178 | qlcnic_napi_enable(adapter); | |
1179 | ||
1180 | qlcnic_linkevent_request(adapter, 1); | |
1181 | ||
68bf1c68 | 1182 | adapter->reset_context = 0; |
af19b491 AKS |
1183 | set_bit(__QLCNIC_DEV_UP, &adapter->state); |
1184 | return 0; | |
1185 | } | |
1186 | ||
1187 | /* Usage: During resume and firmware recovery module.*/ | |
1188 | ||
1189 | static int | |
1190 | qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) | |
1191 | { | |
1192 | int err = 0; | |
1193 | ||
1194 | rtnl_lock(); | |
1195 | if (netif_running(netdev)) | |
1196 | err = __qlcnic_up(adapter, netdev); | |
1197 | rtnl_unlock(); | |
1198 | ||
1199 | return err; | |
1200 | } | |
1201 | ||
1202 | static void | |
1203 | __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) | |
1204 | { | |
1205 | if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) | |
1206 | return; | |
1207 | ||
1208 | if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state)) | |
1209 | return; | |
1210 | ||
1211 | smp_mb(); | |
1212 | spin_lock(&adapter->tx_clean_lock); | |
1213 | netif_carrier_off(netdev); | |
1214 | netif_tx_disable(netdev); | |
1215 | ||
1216 | qlcnic_free_mac_list(adapter); | |
1217 | ||
b5e5492c AKS |
1218 | if (adapter->fhash.fnum) |
1219 | qlcnic_delete_lb_filters(adapter); | |
1220 | ||
af19b491 AKS |
1221 | qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE); |
1222 | ||
1223 | qlcnic_napi_disable(adapter); | |
1224 | ||
8a15ad1f AKS |
1225 | qlcnic_fw_destroy_ctx(adapter); |
1226 | ||
1227 | qlcnic_reset_rx_buffers_list(adapter); | |
af19b491 AKS |
1228 | qlcnic_release_tx_buffers(adapter); |
1229 | spin_unlock(&adapter->tx_clean_lock); | |
1230 | } | |
1231 | ||
1232 | /* Usage: During suspend and firmware recovery module */ | |
1233 | ||
1234 | static void | |
1235 | qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) | |
1236 | { | |
1237 | rtnl_lock(); | |
1238 | if (netif_running(netdev)) | |
1239 | __qlcnic_down(adapter, netdev); | |
1240 | rtnl_unlock(); | |
1241 | ||
1242 | } | |
1243 | ||
1244 | static int | |
1245 | qlcnic_attach(struct qlcnic_adapter *adapter) | |
1246 | { | |
1247 | struct net_device *netdev = adapter->netdev; | |
1248 | struct pci_dev *pdev = adapter->pdev; | |
8a15ad1f | 1249 | int err; |
af19b491 AKS |
1250 | |
1251 | if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) | |
1252 | return 0; | |
1253 | ||
af19b491 AKS |
1254 | err = qlcnic_napi_add(adapter, netdev); |
1255 | if (err) | |
1256 | return err; | |
1257 | ||
1258 | err = qlcnic_alloc_sw_resources(adapter); | |
1259 | if (err) { | |
1260 | dev_err(&pdev->dev, "Error in setting sw resources\n"); | |
8a15ad1f | 1261 | goto err_out_napi_del; |
af19b491 AKS |
1262 | } |
1263 | ||
1264 | err = qlcnic_alloc_hw_resources(adapter); | |
1265 | if (err) { | |
1266 | dev_err(&pdev->dev, "Error in setting hw resources\n"); | |
1267 | goto err_out_free_sw; | |
1268 | } | |
1269 | ||
af19b491 AKS |
1270 | err = qlcnic_request_irq(adapter); |
1271 | if (err) { | |
1272 | dev_err(&pdev->dev, "failed to setup interrupt\n"); | |
8a15ad1f | 1273 | goto err_out_free_hw; |
af19b491 AKS |
1274 | } |
1275 | ||
1276 | qlcnic_init_coalesce_defaults(adapter); | |
1277 | ||
1278 | qlcnic_create_sysfs_entries(adapter); | |
1279 | ||
1280 | adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC; | |
1281 | return 0; | |
1282 | ||
8a15ad1f | 1283 | err_out_free_hw: |
af19b491 AKS |
1284 | qlcnic_free_hw_resources(adapter); |
1285 | err_out_free_sw: | |
1286 | qlcnic_free_sw_resources(adapter); | |
8a15ad1f AKS |
1287 | err_out_napi_del: |
1288 | qlcnic_napi_del(adapter); | |
af19b491 AKS |
1289 | return err; |
1290 | } | |
1291 | ||
1292 | static void | |
1293 | qlcnic_detach(struct qlcnic_adapter *adapter) | |
1294 | { | |
1295 | if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) | |
1296 | return; | |
1297 | ||
1298 | qlcnic_remove_sysfs_entries(adapter); | |
1299 | ||
1300 | qlcnic_free_hw_resources(adapter); | |
1301 | qlcnic_release_rx_buffers(adapter); | |
1302 | qlcnic_free_irq(adapter); | |
1303 | qlcnic_napi_del(adapter); | |
1304 | qlcnic_free_sw_resources(adapter); | |
1305 | ||
1306 | adapter->is_up = 0; | |
1307 | } | |
1308 | ||
7eb9855d AKS |
1309 | void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings) |
1310 | { | |
1311 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
1312 | struct qlcnic_host_sds_ring *sds_ring; | |
1313 | int ring; | |
1314 | ||
78ad3892 | 1315 | clear_bit(__QLCNIC_DEV_UP, &adapter->state); |
cdaff185 AKS |
1316 | if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) { |
1317 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
1318 | sds_ring = &adapter->recv_ctx.sds_rings[ring]; | |
1319 | qlcnic_disable_int(sds_ring); | |
1320 | } | |
7eb9855d AKS |
1321 | } |
1322 | ||
8a15ad1f AKS |
1323 | qlcnic_fw_destroy_ctx(adapter); |
1324 | ||
7eb9855d AKS |
1325 | qlcnic_detach(adapter); |
1326 | ||
1327 | adapter->diag_test = 0; | |
1328 | adapter->max_sds_rings = max_sds_rings; | |
1329 | ||
1330 | if (qlcnic_attach(adapter)) | |
34ce3626 | 1331 | goto out; |
7eb9855d AKS |
1332 | |
1333 | if (netif_running(netdev)) | |
1334 | __qlcnic_up(adapter, netdev); | |
34ce3626 | 1335 | out: |
7eb9855d AKS |
1336 | netif_device_attach(netdev); |
1337 | } | |
1338 | ||
1339 | int qlcnic_diag_alloc_res(struct net_device *netdev, int test) | |
1340 | { | |
1341 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
1342 | struct qlcnic_host_sds_ring *sds_ring; | |
8a15ad1f | 1343 | struct qlcnic_host_rds_ring *rds_ring; |
7eb9855d AKS |
1344 | int ring; |
1345 | int ret; | |
1346 | ||
1347 | netif_device_detach(netdev); | |
1348 | ||
1349 | if (netif_running(netdev)) | |
1350 | __qlcnic_down(adapter, netdev); | |
1351 | ||
1352 | qlcnic_detach(adapter); | |
1353 | ||
1354 | adapter->max_sds_rings = 1; | |
1355 | adapter->diag_test = test; | |
1356 | ||
1357 | ret = qlcnic_attach(adapter); | |
34ce3626 AKS |
1358 | if (ret) { |
1359 | netif_device_attach(netdev); | |
7eb9855d | 1360 | return ret; |
34ce3626 | 1361 | } |
7eb9855d | 1362 | |
8a15ad1f AKS |
1363 | ret = qlcnic_fw_create_ctx(adapter); |
1364 | if (ret) { | |
1365 | qlcnic_detach(adapter); | |
57e46248 | 1366 | netif_device_attach(netdev); |
8a15ad1f AKS |
1367 | return ret; |
1368 | } | |
1369 | ||
1370 | for (ring = 0; ring < adapter->max_rds_rings; ring++) { | |
1371 | rds_ring = &adapter->recv_ctx.rds_rings[ring]; | |
1372 | qlcnic_post_rx_buffers(adapter, ring, rds_ring); | |
1373 | } | |
1374 | ||
cdaff185 AKS |
1375 | if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) { |
1376 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
1377 | sds_ring = &adapter->recv_ctx.sds_rings[ring]; | |
1378 | qlcnic_enable_int(sds_ring); | |
1379 | } | |
7eb9855d | 1380 | } |
78ad3892 | 1381 | set_bit(__QLCNIC_DEV_UP, &adapter->state); |
7eb9855d AKS |
1382 | |
1383 | return 0; | |
1384 | } | |
1385 | ||
68bf1c68 AKS |
1386 | /* Reset context in hardware only */ |
1387 | static int | |
1388 | qlcnic_reset_hw_context(struct qlcnic_adapter *adapter) | |
1389 | { | |
1390 | struct net_device *netdev = adapter->netdev; | |
1391 | ||
1392 | if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) | |
1393 | return -EBUSY; | |
1394 | ||
1395 | netif_device_detach(netdev); | |
1396 | ||
1397 | qlcnic_down(adapter, netdev); | |
1398 | ||
1399 | qlcnic_up(adapter, netdev); | |
1400 | ||
1401 | netif_device_attach(netdev); | |
1402 | ||
1403 | clear_bit(__QLCNIC_RESETTING, &adapter->state); | |
1404 | return 0; | |
1405 | } | |
1406 | ||
af19b491 AKS |
1407 | int |
1408 | qlcnic_reset_context(struct qlcnic_adapter *adapter) | |
1409 | { | |
1410 | int err = 0; | |
1411 | struct net_device *netdev = adapter->netdev; | |
1412 | ||
1413 | if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) | |
1414 | return -EBUSY; | |
1415 | ||
1416 | if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) { | |
1417 | ||
1418 | netif_device_detach(netdev); | |
1419 | ||
1420 | if (netif_running(netdev)) | |
1421 | __qlcnic_down(adapter, netdev); | |
1422 | ||
1423 | qlcnic_detach(adapter); | |
1424 | ||
1425 | if (netif_running(netdev)) { | |
1426 | err = qlcnic_attach(adapter); | |
1427 | if (!err) | |
34ce3626 | 1428 | __qlcnic_up(adapter, netdev); |
af19b491 AKS |
1429 | } |
1430 | ||
1431 | netif_device_attach(netdev); | |
1432 | } | |
1433 | ||
af19b491 AKS |
1434 | clear_bit(__QLCNIC_RESETTING, &adapter->state); |
1435 | return err; | |
1436 | } | |
1437 | ||
1438 | static int | |
1439 | qlcnic_setup_netdev(struct qlcnic_adapter *adapter, | |
1bb09fb9 | 1440 | struct net_device *netdev, u8 pci_using_dac) |
af19b491 AKS |
1441 | { |
1442 | int err; | |
1443 | struct pci_dev *pdev = adapter->pdev; | |
1444 | ||
1445 | adapter->rx_csum = 1; | |
1446 | adapter->mc_enabled = 0; | |
1447 | adapter->max_mc_count = 38; | |
1448 | ||
1449 | netdev->netdev_ops = &qlcnic_netdev_ops; | |
ef71ff83 | 1450 | netdev->watchdog_timeo = 5*HZ; |
af19b491 AKS |
1451 | |
1452 | qlcnic_change_mtu(netdev, netdev->mtu); | |
1453 | ||
1454 | SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops); | |
1455 | ||
2e9d722d | 1456 | netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | |
d5790663 | 1457 | NETIF_F_IPV6_CSUM | NETIF_F_GRO | NETIF_F_HW_VLAN_RX); |
2e9d722d | 1458 | netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | |
ac8d0c4f AC |
1459 | NETIF_F_IPV6_CSUM); |
1460 | ||
1461 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_TSO) { | |
1462 | netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6); | |
1463 | netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6); | |
1464 | } | |
af19b491 | 1465 | |
1bb09fb9 | 1466 | if (pci_using_dac) { |
af19b491 AKS |
1467 | netdev->features |= NETIF_F_HIGHDMA; |
1468 | netdev->vlan_features |= NETIF_F_HIGHDMA; | |
1469 | } | |
1470 | ||
1471 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX) | |
1472 | netdev->features |= (NETIF_F_HW_VLAN_TX); | |
1473 | ||
1474 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) | |
1475 | netdev->features |= NETIF_F_LRO; | |
af19b491 AKS |
1476 | netdev->irq = adapter->msix_entries[0].vector; |
1477 | ||
af19b491 AKS |
1478 | netif_carrier_off(netdev); |
1479 | netif_stop_queue(netdev); | |
1480 | ||
1481 | err = register_netdev(netdev); | |
1482 | if (err) { | |
1483 | dev_err(&pdev->dev, "failed to register net device\n"); | |
1484 | return err; | |
1485 | } | |
1486 | ||
1487 | return 0; | |
1488 | } | |
1489 | ||
1bb09fb9 AKS |
1490 | static int qlcnic_set_dma_mask(struct pci_dev *pdev, u8 *pci_using_dac) |
1491 | { | |
1492 | if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && | |
1493 | !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) | |
1494 | *pci_using_dac = 1; | |
1495 | else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) && | |
1496 | !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) | |
1497 | *pci_using_dac = 0; | |
1498 | else { | |
1499 | dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n"); | |
1500 | return -EIO; | |
1501 | } | |
1502 | ||
1503 | return 0; | |
1504 | } | |
1505 | ||
af19b491 AKS |
1506 | static int __devinit |
1507 | qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) | |
1508 | { | |
1509 | struct net_device *netdev = NULL; | |
1510 | struct qlcnic_adapter *adapter = NULL; | |
1511 | int err; | |
af19b491 | 1512 | uint8_t revision_id; |
1bb09fb9 | 1513 | uint8_t pci_using_dac; |
da48e6c3 | 1514 | char brd_name[QLCNIC_MAX_BOARD_NAME_LEN]; |
af19b491 AKS |
1515 | |
1516 | err = pci_enable_device(pdev); | |
1517 | if (err) | |
1518 | return err; | |
1519 | ||
1520 | if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { | |
1521 | err = -ENODEV; | |
1522 | goto err_out_disable_pdev; | |
1523 | } | |
1524 | ||
1bb09fb9 AKS |
1525 | err = qlcnic_set_dma_mask(pdev, &pci_using_dac); |
1526 | if (err) | |
1527 | goto err_out_disable_pdev; | |
1528 | ||
af19b491 AKS |
1529 | err = pci_request_regions(pdev, qlcnic_driver_name); |
1530 | if (err) | |
1531 | goto err_out_disable_pdev; | |
1532 | ||
1533 | pci_set_master(pdev); | |
451724c8 | 1534 | pci_enable_pcie_error_reporting(pdev); |
af19b491 AKS |
1535 | |
1536 | netdev = alloc_etherdev(sizeof(struct qlcnic_adapter)); | |
1537 | if (!netdev) { | |
1538 | dev_err(&pdev->dev, "failed to allocate net_device\n"); | |
1539 | err = -ENOMEM; | |
1540 | goto err_out_free_res; | |
1541 | } | |
1542 | ||
1543 | SET_NETDEV_DEV(netdev, &pdev->dev); | |
1544 | ||
1545 | adapter = netdev_priv(netdev); | |
1546 | adapter->netdev = netdev; | |
1547 | adapter->pdev = pdev; | |
6df900e9 | 1548 | adapter->dev_rst_time = jiffies; |
af19b491 AKS |
1549 | |
1550 | revision_id = pdev->revision; | |
1551 | adapter->ahw.revision_id = revision_id; | |
1552 | ||
1553 | rwlock_init(&adapter->ahw.crb_lock); | |
1554 | mutex_init(&adapter->ahw.mem_lock); | |
1555 | ||
1556 | spin_lock_init(&adapter->tx_clean_lock); | |
1557 | INIT_LIST_HEAD(&adapter->mac_list); | |
1558 | ||
1559 | err = qlcnic_setup_pci_map(adapter); | |
1560 | if (err) | |
1561 | goto err_out_free_netdev; | |
1562 | ||
1563 | /* This will be reset for mezz cards */ | |
2e9d722d | 1564 | adapter->portnum = adapter->ahw.pci_func; |
af19b491 AKS |
1565 | |
1566 | err = qlcnic_get_board_info(adapter); | |
1567 | if (err) { | |
1568 | dev_err(&pdev->dev, "Error getting board config info.\n"); | |
1569 | goto err_out_iounmap; | |
1570 | } | |
1571 | ||
8cfdce08 SC |
1572 | err = qlcnic_setup_idc_param(adapter); |
1573 | if (err) | |
b3a24649 | 1574 | goto err_out_iounmap; |
af19b491 | 1575 | |
9f26f547 | 1576 | err = adapter->nic_ops->start_firmware(adapter); |
a7fc948f AKS |
1577 | if (err) { |
1578 | dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"); | |
af19b491 | 1579 | goto err_out_decr_ref; |
a7fc948f | 1580 | } |
af19b491 | 1581 | |
da48e6c3 RB |
1582 | if (qlcnic_read_mac_addr(adapter)) |
1583 | dev_warn(&pdev->dev, "failed to read mac addr\n"); | |
1584 | ||
1585 | if (adapter->portnum == 0) { | |
1586 | get_brd_name(adapter, brd_name); | |
1587 | ||
1588 | pr_info("%s: %s Board Chip rev 0x%x\n", | |
1589 | module_name(THIS_MODULE), | |
1590 | brd_name, adapter->ahw.revision_id); | |
1591 | } | |
1592 | ||
af19b491 AKS |
1593 | qlcnic_clear_stats(adapter); |
1594 | ||
1595 | qlcnic_setup_intr(adapter); | |
1596 | ||
1bb09fb9 | 1597 | err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac); |
af19b491 AKS |
1598 | if (err) |
1599 | goto err_out_disable_msi; | |
1600 | ||
1601 | pci_set_drvdata(pdev, adapter); | |
1602 | ||
1603 | qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); | |
1604 | ||
1605 | switch (adapter->ahw.port_type) { | |
1606 | case QLCNIC_GBE: | |
1607 | dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", | |
1608 | adapter->netdev->name); | |
1609 | break; | |
1610 | case QLCNIC_XGBE: | |
1611 | dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", | |
1612 | adapter->netdev->name); | |
1613 | break; | |
1614 | } | |
1615 | ||
b5e5492c | 1616 | qlcnic_alloc_lb_filters_mem(adapter); |
af19b491 AKS |
1617 | qlcnic_create_diag_entries(adapter); |
1618 | ||
1619 | return 0; | |
1620 | ||
1621 | err_out_disable_msi: | |
1622 | qlcnic_teardown_intr(adapter); | |
1623 | ||
1624 | err_out_decr_ref: | |
21854f02 | 1625 | qlcnic_clr_all_drv_state(adapter, 0); |
af19b491 AKS |
1626 | |
1627 | err_out_iounmap: | |
1628 | qlcnic_cleanup_pci_map(adapter); | |
1629 | ||
1630 | err_out_free_netdev: | |
1631 | free_netdev(netdev); | |
1632 | ||
1633 | err_out_free_res: | |
1634 | pci_release_regions(pdev); | |
1635 | ||
1636 | err_out_disable_pdev: | |
1637 | pci_set_drvdata(pdev, NULL); | |
1638 | pci_disable_device(pdev); | |
1639 | return err; | |
1640 | } | |
1641 | ||
1642 | static void __devexit qlcnic_remove(struct pci_dev *pdev) | |
1643 | { | |
1644 | struct qlcnic_adapter *adapter; | |
1645 | struct net_device *netdev; | |
1646 | ||
1647 | adapter = pci_get_drvdata(pdev); | |
1648 | if (adapter == NULL) | |
1649 | return; | |
1650 | ||
1651 | netdev = adapter->netdev; | |
1652 | ||
1653 | qlcnic_cancel_fw_work(adapter); | |
1654 | ||
1655 | unregister_netdev(netdev); | |
1656 | ||
af19b491 AKS |
1657 | qlcnic_detach(adapter); |
1658 | ||
2e9d722d AC |
1659 | if (adapter->npars != NULL) |
1660 | kfree(adapter->npars); | |
1661 | if (adapter->eswitch != NULL) | |
1662 | kfree(adapter->eswitch); | |
1663 | ||
21854f02 | 1664 | qlcnic_clr_all_drv_state(adapter, 0); |
af19b491 AKS |
1665 | |
1666 | clear_bit(__QLCNIC_RESETTING, &adapter->state); | |
1667 | ||
b5e5492c AKS |
1668 | qlcnic_free_lb_filters_mem(adapter); |
1669 | ||
af19b491 AKS |
1670 | qlcnic_teardown_intr(adapter); |
1671 | ||
1672 | qlcnic_remove_diag_entries(adapter); | |
1673 | ||
1674 | qlcnic_cleanup_pci_map(adapter); | |
1675 | ||
1676 | qlcnic_release_firmware(adapter); | |
1677 | ||
451724c8 | 1678 | pci_disable_pcie_error_reporting(pdev); |
af19b491 AKS |
1679 | pci_release_regions(pdev); |
1680 | pci_disable_device(pdev); | |
1681 | pci_set_drvdata(pdev, NULL); | |
1682 | ||
1683 | free_netdev(netdev); | |
1684 | } | |
1685 | static int __qlcnic_shutdown(struct pci_dev *pdev) | |
1686 | { | |
1687 | struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); | |
1688 | struct net_device *netdev = adapter->netdev; | |
1689 | int retval; | |
1690 | ||
1691 | netif_device_detach(netdev); | |
1692 | ||
1693 | qlcnic_cancel_fw_work(adapter); | |
1694 | ||
1695 | if (netif_running(netdev)) | |
1696 | qlcnic_down(adapter, netdev); | |
1697 | ||
21854f02 | 1698 | qlcnic_clr_all_drv_state(adapter, 0); |
af19b491 AKS |
1699 | |
1700 | clear_bit(__QLCNIC_RESETTING, &adapter->state); | |
1701 | ||
1702 | retval = pci_save_state(pdev); | |
1703 | if (retval) | |
1704 | return retval; | |
1705 | ||
1706 | if (qlcnic_wol_supported(adapter)) { | |
1707 | pci_enable_wake(pdev, PCI_D3cold, 1); | |
1708 | pci_enable_wake(pdev, PCI_D3hot, 1); | |
1709 | } | |
1710 | ||
1711 | return 0; | |
1712 | } | |
1713 | ||
1714 | static void qlcnic_shutdown(struct pci_dev *pdev) | |
1715 | { | |
1716 | if (__qlcnic_shutdown(pdev)) | |
1717 | return; | |
1718 | ||
1719 | pci_disable_device(pdev); | |
1720 | } | |
1721 | ||
1722 | #ifdef CONFIG_PM | |
1723 | static int | |
1724 | qlcnic_suspend(struct pci_dev *pdev, pm_message_t state) | |
1725 | { | |
1726 | int retval; | |
1727 | ||
1728 | retval = __qlcnic_shutdown(pdev); | |
1729 | if (retval) | |
1730 | return retval; | |
1731 | ||
1732 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); | |
1733 | return 0; | |
1734 | } | |
1735 | ||
1736 | static int | |
1737 | qlcnic_resume(struct pci_dev *pdev) | |
1738 | { | |
1739 | struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); | |
1740 | struct net_device *netdev = adapter->netdev; | |
1741 | int err; | |
1742 | ||
1743 | err = pci_enable_device(pdev); | |
1744 | if (err) | |
1745 | return err; | |
1746 | ||
1747 | pci_set_power_state(pdev, PCI_D0); | |
1748 | pci_set_master(pdev); | |
1749 | pci_restore_state(pdev); | |
1750 | ||
9f26f547 | 1751 | err = adapter->nic_ops->start_firmware(adapter); |
af19b491 AKS |
1752 | if (err) { |
1753 | dev_err(&pdev->dev, "failed to start firmware\n"); | |
1754 | return err; | |
1755 | } | |
1756 | ||
1757 | if (netif_running(netdev)) { | |
af19b491 AKS |
1758 | err = qlcnic_up(adapter, netdev); |
1759 | if (err) | |
52486a3a | 1760 | goto done; |
af19b491 | 1761 | |
aec1e845 | 1762 | qlcnic_restore_indev_addr(netdev, NETDEV_UP); |
af19b491 | 1763 | } |
52486a3a | 1764 | done: |
af19b491 AKS |
1765 | netif_device_attach(netdev); |
1766 | qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); | |
1767 | return 0; | |
af19b491 AKS |
1768 | } |
1769 | #endif | |
1770 | ||
1771 | static int qlcnic_open(struct net_device *netdev) | |
1772 | { | |
1773 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
1774 | int err; | |
1775 | ||
af19b491 AKS |
1776 | err = qlcnic_attach(adapter); |
1777 | if (err) | |
1778 | return err; | |
1779 | ||
1780 | err = __qlcnic_up(adapter, netdev); | |
1781 | if (err) | |
1782 | goto err_out; | |
1783 | ||
1784 | netif_start_queue(netdev); | |
1785 | ||
1786 | return 0; | |
1787 | ||
1788 | err_out: | |
1789 | qlcnic_detach(adapter); | |
1790 | return err; | |
1791 | } | |
1792 | ||
1793 | /* | |
1794 | * qlcnic_close - Disables a network interface entry point | |
1795 | */ | |
1796 | static int qlcnic_close(struct net_device *netdev) | |
1797 | { | |
1798 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
1799 | ||
1800 | __qlcnic_down(adapter, netdev); | |
1801 | return 0; | |
1802 | } | |
1803 | ||
b5e5492c AKS |
1804 | static void |
1805 | qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter) | |
1806 | { | |
1807 | void *head; | |
1808 | int i; | |
1809 | ||
1810 | if (!qlcnic_mac_learn) | |
1811 | return; | |
1812 | ||
1813 | spin_lock_init(&adapter->mac_learn_lock); | |
1814 | ||
1815 | head = kcalloc(QLCNIC_LB_MAX_FILTERS, sizeof(struct hlist_head), | |
1816 | GFP_KERNEL); | |
1817 | if (!head) | |
1818 | return; | |
1819 | ||
1820 | adapter->fhash.fmax = QLCNIC_LB_MAX_FILTERS; | |
1821 | adapter->fhash.fhead = (struct hlist_head *)head; | |
1822 | ||
1823 | for (i = 0; i < adapter->fhash.fmax; i++) | |
1824 | INIT_HLIST_HEAD(&adapter->fhash.fhead[i]); | |
1825 | } | |
1826 | ||
1827 | static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter) | |
1828 | { | |
1829 | if (adapter->fhash.fmax && adapter->fhash.fhead) | |
1830 | kfree(adapter->fhash.fhead); | |
1831 | ||
1832 | adapter->fhash.fhead = NULL; | |
1833 | adapter->fhash.fmax = 0; | |
1834 | } | |
1835 | ||
1836 | static void qlcnic_change_filter(struct qlcnic_adapter *adapter, | |
03c5d770 | 1837 | u64 uaddr, u16 vlan_id, struct qlcnic_host_tx_ring *tx_ring) |
b5e5492c AKS |
1838 | { |
1839 | struct cmd_desc_type0 *hwdesc; | |
1840 | struct qlcnic_nic_req *req; | |
1841 | struct qlcnic_mac_req *mac_req; | |
1842 | u32 producer; | |
1843 | u64 word; | |
1844 | ||
1845 | producer = tx_ring->producer; | |
1846 | hwdesc = &tx_ring->desc_head[tx_ring->producer]; | |
1847 | ||
1848 | req = (struct qlcnic_nic_req *)hwdesc; | |
1849 | memset(req, 0, sizeof(struct qlcnic_nic_req)); | |
1850 | req->qhdr = cpu_to_le64(QLCNIC_REQUEST << 23); | |
1851 | ||
1852 | word = QLCNIC_MAC_EVENT | ((u64)(adapter->portnum) << 16); | |
1853 | req->req_hdr = cpu_to_le64(word); | |
1854 | ||
1855 | mac_req = (struct qlcnic_mac_req *)&(req->words[0]); | |
03c5d770 | 1856 | mac_req->op = vlan_id ? QLCNIC_MAC_VLAN_ADD : QLCNIC_MAC_ADD; |
b5e5492c AKS |
1857 | memcpy(mac_req->mac_addr, &uaddr, ETH_ALEN); |
1858 | ||
03c5d770 AKS |
1859 | req->words[1] = cpu_to_le64(vlan_id); |
1860 | ||
b5e5492c AKS |
1861 | tx_ring->producer = get_next_index(producer, tx_ring->num_desc); |
1862 | } | |
1863 | ||
1864 | #define QLCNIC_MAC_HASH(MAC)\ | |
1865 | ((((MAC) & 0x70000) >> 0x10) | (((MAC) & 0x70000000000ULL) >> 0x25)) | |
1866 | ||
1867 | static void | |
1868 | qlcnic_send_filter(struct qlcnic_adapter *adapter, | |
1869 | struct qlcnic_host_tx_ring *tx_ring, | |
1870 | struct cmd_desc_type0 *first_desc, | |
1871 | struct sk_buff *skb) | |
1872 | { | |
1873 | struct ethhdr *phdr = (struct ethhdr *)(skb->data); | |
1874 | struct qlcnic_filter *fil, *tmp_fil; | |
1875 | struct hlist_node *tmp_hnode, *n; | |
1876 | struct hlist_head *head; | |
1877 | u64 src_addr = 0; | |
03c5d770 | 1878 | u16 vlan_id = 0; |
b5e5492c AKS |
1879 | u8 hindex; |
1880 | ||
1881 | if (!compare_ether_addr(phdr->h_source, adapter->mac_addr)) | |
1882 | return; | |
1883 | ||
1884 | if (adapter->fhash.fnum >= adapter->fhash.fmax) | |
1885 | return; | |
1886 | ||
03c5d770 AKS |
1887 | /* Only NPAR capable devices support vlan based learning*/ |
1888 | if (adapter->flags & QLCNIC_ESWITCH_ENABLED) | |
1889 | vlan_id = first_desc->vlan_TCI; | |
b5e5492c AKS |
1890 | memcpy(&src_addr, phdr->h_source, ETH_ALEN); |
1891 | hindex = QLCNIC_MAC_HASH(src_addr) & (QLCNIC_LB_MAX_FILTERS - 1); | |
1892 | head = &(adapter->fhash.fhead[hindex]); | |
1893 | ||
1894 | hlist_for_each_entry_safe(tmp_fil, tmp_hnode, n, head, fnode) { | |
03c5d770 AKS |
1895 | if (!memcmp(tmp_fil->faddr, &src_addr, ETH_ALEN) && |
1896 | tmp_fil->vlan_id == vlan_id) { | |
b5e5492c AKS |
1897 | tmp_fil->ftime = jiffies; |
1898 | return; | |
1899 | } | |
1900 | } | |
1901 | ||
1902 | fil = kzalloc(sizeof(struct qlcnic_filter), GFP_ATOMIC); | |
1903 | if (!fil) | |
1904 | return; | |
1905 | ||
03c5d770 | 1906 | qlcnic_change_filter(adapter, src_addr, vlan_id, tx_ring); |
b5e5492c AKS |
1907 | |
1908 | fil->ftime = jiffies; | |
03c5d770 | 1909 | fil->vlan_id = vlan_id; |
b5e5492c AKS |
1910 | memcpy(fil->faddr, &src_addr, ETH_ALEN); |
1911 | spin_lock(&adapter->mac_learn_lock); | |
1912 | hlist_add_head(&(fil->fnode), head); | |
1913 | adapter->fhash.fnum++; | |
1914 | spin_unlock(&adapter->mac_learn_lock); | |
1915 | } | |
1916 | ||
af19b491 AKS |
1917 | static void |
1918 | qlcnic_tso_check(struct net_device *netdev, | |
1919 | struct qlcnic_host_tx_ring *tx_ring, | |
1920 | struct cmd_desc_type0 *first_desc, | |
1921 | struct sk_buff *skb) | |
1922 | { | |
1923 | u8 opcode = TX_ETHER_PKT; | |
1924 | __be16 protocol = skb->protocol; | |
8cf61f89 AKS |
1925 | u16 flags = 0; |
1926 | int copied, offset, copy_len, hdr_len = 0, tso = 0; | |
af19b491 AKS |
1927 | struct cmd_desc_type0 *hwdesc; |
1928 | struct vlan_ethhdr *vh; | |
8bfe8b91 | 1929 | struct qlcnic_adapter *adapter = netdev_priv(netdev); |
2e9d722d | 1930 | u32 producer = tx_ring->producer; |
8cf61f89 | 1931 | int vlan_oob = first_desc->flags_opcode & cpu_to_le16(FLAGS_VLAN_OOB); |
af19b491 | 1932 | |
2e9d722d AC |
1933 | if (*(skb->data) & BIT_0) { |
1934 | flags |= BIT_0; | |
1935 | memcpy(&first_desc->eth_addr, skb->data, ETH_ALEN); | |
1936 | } | |
1937 | ||
af19b491 AKS |
1938 | if ((netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) && |
1939 | skb_shinfo(skb)->gso_size > 0) { | |
1940 | ||
1941 | hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); | |
1942 | ||
1943 | first_desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size); | |
1944 | first_desc->total_hdr_length = hdr_len; | |
1945 | if (vlan_oob) { | |
1946 | first_desc->total_hdr_length += VLAN_HLEN; | |
1947 | first_desc->tcp_hdr_offset = VLAN_HLEN; | |
1948 | first_desc->ip_hdr_offset = VLAN_HLEN; | |
1949 | /* Only in case of TSO on vlan device */ | |
1950 | flags |= FLAGS_VLAN_TAGGED; | |
1951 | } | |
1952 | ||
1953 | opcode = (protocol == cpu_to_be16(ETH_P_IPV6)) ? | |
1954 | TX_TCP_LSO6 : TX_TCP_LSO; | |
1955 | tso = 1; | |
1956 | ||
1957 | } else if (skb->ip_summed == CHECKSUM_PARTIAL) { | |
1958 | u8 l4proto; | |
1959 | ||
1960 | if (protocol == cpu_to_be16(ETH_P_IP)) { | |
1961 | l4proto = ip_hdr(skb)->protocol; | |
1962 | ||
1963 | if (l4proto == IPPROTO_TCP) | |
1964 | opcode = TX_TCP_PKT; | |
1965 | else if (l4proto == IPPROTO_UDP) | |
1966 | opcode = TX_UDP_PKT; | |
1967 | } else if (protocol == cpu_to_be16(ETH_P_IPV6)) { | |
1968 | l4proto = ipv6_hdr(skb)->nexthdr; | |
1969 | ||
1970 | if (l4proto == IPPROTO_TCP) | |
1971 | opcode = TX_TCPV6_PKT; | |
1972 | else if (l4proto == IPPROTO_UDP) | |
1973 | opcode = TX_UDPV6_PKT; | |
1974 | } | |
1975 | } | |
1976 | ||
1977 | first_desc->tcp_hdr_offset += skb_transport_offset(skb); | |
1978 | first_desc->ip_hdr_offset += skb_network_offset(skb); | |
1979 | qlcnic_set_tx_flags_opcode(first_desc, flags, opcode); | |
1980 | ||
1981 | if (!tso) | |
1982 | return; | |
1983 | ||
1984 | /* For LSO, we need to copy the MAC/IP/TCP headers into | |
1985 | * the descriptor ring | |
1986 | */ | |
af19b491 AKS |
1987 | copied = 0; |
1988 | offset = 2; | |
1989 | ||
1990 | if (vlan_oob) { | |
1991 | /* Create a TSO vlan header template for firmware */ | |
1992 | ||
1993 | hwdesc = &tx_ring->desc_head[producer]; | |
1994 | tx_ring->cmd_buf_arr[producer].skb = NULL; | |
1995 | ||
1996 | copy_len = min((int)sizeof(struct cmd_desc_type0) - offset, | |
1997 | hdr_len + VLAN_HLEN); | |
1998 | ||
1999 | vh = (struct vlan_ethhdr *)((char *)hwdesc + 2); | |
2000 | skb_copy_from_linear_data(skb, vh, 12); | |
2001 | vh->h_vlan_proto = htons(ETH_P_8021Q); | |
8cf61f89 | 2002 | vh->h_vlan_TCI = htons(first_desc->vlan_TCI); |
af19b491 AKS |
2003 | skb_copy_from_linear_data_offset(skb, 12, |
2004 | (char *)vh + 16, copy_len - 16); | |
2005 | ||
2006 | copied = copy_len - VLAN_HLEN; | |
2007 | offset = 0; | |
2008 | ||
2009 | producer = get_next_index(producer, tx_ring->num_desc); | |
2010 | } | |
2011 | ||
2012 | while (copied < hdr_len) { | |
2013 | ||
2014 | copy_len = min((int)sizeof(struct cmd_desc_type0) - offset, | |
2015 | (hdr_len - copied)); | |
2016 | ||
2017 | hwdesc = &tx_ring->desc_head[producer]; | |
2018 | tx_ring->cmd_buf_arr[producer].skb = NULL; | |
2019 | ||
2020 | skb_copy_from_linear_data_offset(skb, copied, | |
2021 | (char *)hwdesc + offset, copy_len); | |
2022 | ||
2023 | copied += copy_len; | |
2024 | offset = 0; | |
2025 | ||
2026 | producer = get_next_index(producer, tx_ring->num_desc); | |
2027 | } | |
2028 | ||
2029 | tx_ring->producer = producer; | |
2030 | barrier(); | |
8bfe8b91 | 2031 | adapter->stats.lso_frames++; |
af19b491 AKS |
2032 | } |
2033 | ||
2034 | static int | |
2035 | qlcnic_map_tx_skb(struct pci_dev *pdev, | |
2036 | struct sk_buff *skb, struct qlcnic_cmd_buffer *pbuf) | |
2037 | { | |
2038 | struct qlcnic_skb_frag *nf; | |
2039 | struct skb_frag_struct *frag; | |
2040 | int i, nr_frags; | |
2041 | dma_addr_t map; | |
2042 | ||
2043 | nr_frags = skb_shinfo(skb)->nr_frags; | |
2044 | nf = &pbuf->frag_array[0]; | |
2045 | ||
2046 | map = pci_map_single(pdev, skb->data, | |
2047 | skb_headlen(skb), PCI_DMA_TODEVICE); | |
2048 | if (pci_dma_mapping_error(pdev, map)) | |
2049 | goto out_err; | |
2050 | ||
2051 | nf->dma = map; | |
2052 | nf->length = skb_headlen(skb); | |
2053 | ||
2054 | for (i = 0; i < nr_frags; i++) { | |
2055 | frag = &skb_shinfo(skb)->frags[i]; | |
2056 | nf = &pbuf->frag_array[i+1]; | |
2057 | ||
2058 | map = pci_map_page(pdev, frag->page, frag->page_offset, | |
2059 | frag->size, PCI_DMA_TODEVICE); | |
2060 | if (pci_dma_mapping_error(pdev, map)) | |
2061 | goto unwind; | |
2062 | ||
2063 | nf->dma = map; | |
2064 | nf->length = frag->size; | |
2065 | } | |
2066 | ||
2067 | return 0; | |
2068 | ||
2069 | unwind: | |
2070 | while (--i >= 0) { | |
2071 | nf = &pbuf->frag_array[i+1]; | |
2072 | pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE); | |
2073 | } | |
2074 | ||
2075 | nf = &pbuf->frag_array[0]; | |
2076 | pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE); | |
2077 | ||
2078 | out_err: | |
2079 | return -ENOMEM; | |
2080 | } | |
2081 | ||
8cf61f89 AKS |
2082 | static int |
2083 | qlcnic_check_tx_tagging(struct qlcnic_adapter *adapter, | |
2084 | struct sk_buff *skb, | |
2085 | struct cmd_desc_type0 *first_desc) | |
2086 | { | |
2087 | u8 opcode = 0; | |
2088 | u16 flags = 0; | |
2089 | __be16 protocol = skb->protocol; | |
2090 | struct vlan_ethhdr *vh; | |
2091 | ||
2092 | if (protocol == cpu_to_be16(ETH_P_8021Q)) { | |
2093 | vh = (struct vlan_ethhdr *)skb->data; | |
2094 | protocol = vh->h_vlan_encapsulated_proto; | |
2095 | flags = FLAGS_VLAN_TAGGED; | |
2096 | qlcnic_set_tx_vlan_tci(first_desc, ntohs(vh->h_vlan_TCI)); | |
2097 | } else if (vlan_tx_tag_present(skb)) { | |
2098 | flags = FLAGS_VLAN_OOB; | |
2099 | qlcnic_set_tx_vlan_tci(first_desc, vlan_tx_tag_get(skb)); | |
2100 | } | |
2101 | if (unlikely(adapter->pvid)) { | |
2102 | if (first_desc->vlan_TCI && | |
2103 | !(adapter->flags & QLCNIC_TAGGING_ENABLED)) | |
2104 | return -EIO; | |
2105 | if (first_desc->vlan_TCI && | |
2106 | (adapter->flags & QLCNIC_TAGGING_ENABLED)) | |
2107 | goto set_flags; | |
2108 | ||
2109 | flags = FLAGS_VLAN_OOB; | |
2110 | qlcnic_set_tx_vlan_tci(first_desc, adapter->pvid); | |
2111 | } | |
2112 | set_flags: | |
2113 | qlcnic_set_tx_flags_opcode(first_desc, flags, opcode); | |
2114 | return 0; | |
2115 | } | |
2116 | ||
af19b491 AKS |
2117 | static inline void |
2118 | qlcnic_clear_cmddesc(u64 *desc) | |
2119 | { | |
2120 | desc[0] = 0ULL; | |
2121 | desc[2] = 0ULL; | |
8cf61f89 | 2122 | desc[7] = 0ULL; |
af19b491 AKS |
2123 | } |
2124 | ||
cdaff185 | 2125 | netdev_tx_t |
af19b491 AKS |
2126 | qlcnic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) |
2127 | { | |
2128 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
2129 | struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring; | |
2130 | struct qlcnic_cmd_buffer *pbuf; | |
2131 | struct qlcnic_skb_frag *buffrag; | |
2132 | struct cmd_desc_type0 *hwdesc, *first_desc; | |
2133 | struct pci_dev *pdev; | |
dcb50aff | 2134 | struct ethhdr *phdr; |
af19b491 AKS |
2135 | int i, k; |
2136 | ||
2137 | u32 producer; | |
2138 | int frag_count, no_of_desc; | |
2139 | u32 num_txd = tx_ring->num_desc; | |
2140 | ||
780ab790 AKS |
2141 | if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) { |
2142 | netif_stop_queue(netdev); | |
2143 | return NETDEV_TX_BUSY; | |
2144 | } | |
2145 | ||
fe4d434d | 2146 | if (adapter->flags & QLCNIC_MACSPOOF) { |
dcb50aff RB |
2147 | phdr = (struct ethhdr *)skb->data; |
2148 | if (compare_ether_addr(phdr->h_source, | |
fe4d434d SC |
2149 | adapter->mac_addr)) |
2150 | goto drop_packet; | |
2151 | } | |
2152 | ||
af19b491 AKS |
2153 | frag_count = skb_shinfo(skb)->nr_frags + 1; |
2154 | ||
2155 | /* 4 fragments per cmd des */ | |
2156 | no_of_desc = (frag_count + 3) >> 2; | |
2157 | ||
ef71ff83 | 2158 | if (unlikely(qlcnic_tx_avail(tx_ring) <= TX_STOP_THRESH)) { |
af19b491 | 2159 | netif_stop_queue(netdev); |
ef71ff83 RB |
2160 | smp_mb(); |
2161 | if (qlcnic_tx_avail(tx_ring) > TX_STOP_THRESH) | |
2162 | netif_start_queue(netdev); | |
2163 | else { | |
2164 | adapter->stats.xmit_off++; | |
2165 | return NETDEV_TX_BUSY; | |
2166 | } | |
af19b491 AKS |
2167 | } |
2168 | ||
2169 | producer = tx_ring->producer; | |
2170 | pbuf = &tx_ring->cmd_buf_arr[producer]; | |
2171 | ||
2172 | pdev = adapter->pdev; | |
2173 | ||
8cf61f89 AKS |
2174 | first_desc = hwdesc = &tx_ring->desc_head[producer]; |
2175 | qlcnic_clear_cmddesc((u64 *)hwdesc); | |
2176 | ||
2177 | if (qlcnic_check_tx_tagging(adapter, skb, first_desc)) | |
2178 | goto drop_packet; | |
2179 | ||
8ae6df97 AKS |
2180 | if (qlcnic_map_tx_skb(pdev, skb, pbuf)) { |
2181 | adapter->stats.tx_dma_map_error++; | |
af19b491 | 2182 | goto drop_packet; |
8ae6df97 | 2183 | } |
af19b491 AKS |
2184 | |
2185 | pbuf->skb = skb; | |
2186 | pbuf->frag_count = frag_count; | |
2187 | ||
af19b491 AKS |
2188 | qlcnic_set_tx_frags_len(first_desc, frag_count, skb->len); |
2189 | qlcnic_set_tx_port(first_desc, adapter->portnum); | |
2190 | ||
2191 | for (i = 0; i < frag_count; i++) { | |
2192 | ||
2193 | k = i % 4; | |
2194 | ||
2195 | if ((k == 0) && (i > 0)) { | |
2196 | /* move to next desc.*/ | |
2197 | producer = get_next_index(producer, num_txd); | |
2198 | hwdesc = &tx_ring->desc_head[producer]; | |
2199 | qlcnic_clear_cmddesc((u64 *)hwdesc); | |
2200 | tx_ring->cmd_buf_arr[producer].skb = NULL; | |
2201 | } | |
2202 | ||
2203 | buffrag = &pbuf->frag_array[i]; | |
2204 | ||
2205 | hwdesc->buffer_length[k] = cpu_to_le16(buffrag->length); | |
2206 | switch (k) { | |
2207 | case 0: | |
2208 | hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma); | |
2209 | break; | |
2210 | case 1: | |
2211 | hwdesc->addr_buffer2 = cpu_to_le64(buffrag->dma); | |
2212 | break; | |
2213 | case 2: | |
2214 | hwdesc->addr_buffer3 = cpu_to_le64(buffrag->dma); | |
2215 | break; | |
2216 | case 3: | |
2217 | hwdesc->addr_buffer4 = cpu_to_le64(buffrag->dma); | |
2218 | break; | |
2219 | } | |
2220 | } | |
2221 | ||
2222 | tx_ring->producer = get_next_index(producer, num_txd); | |
2223 | ||
2224 | qlcnic_tso_check(netdev, tx_ring, first_desc, skb); | |
2225 | ||
b5e5492c AKS |
2226 | if (qlcnic_mac_learn) |
2227 | qlcnic_send_filter(adapter, tx_ring, first_desc, skb); | |
2228 | ||
af19b491 AKS |
2229 | qlcnic_update_cmd_producer(adapter, tx_ring); |
2230 | ||
2231 | adapter->stats.txbytes += skb->len; | |
2232 | adapter->stats.xmitcalled++; | |
2233 | ||
2234 | return NETDEV_TX_OK; | |
2235 | ||
2236 | drop_packet: | |
2237 | adapter->stats.txdropped++; | |
2238 | dev_kfree_skb_any(skb); | |
2239 | return NETDEV_TX_OK; | |
2240 | } | |
2241 | ||
2242 | static int qlcnic_check_temp(struct qlcnic_adapter *adapter) | |
2243 | { | |
2244 | struct net_device *netdev = adapter->netdev; | |
2245 | u32 temp, temp_state, temp_val; | |
2246 | int rv = 0; | |
2247 | ||
2248 | temp = QLCRD32(adapter, CRB_TEMP_STATE); | |
2249 | ||
2250 | temp_state = qlcnic_get_temp_state(temp); | |
2251 | temp_val = qlcnic_get_temp_val(temp); | |
2252 | ||
2253 | if (temp_state == QLCNIC_TEMP_PANIC) { | |
2254 | dev_err(&netdev->dev, | |
2255 | "Device temperature %d degrees C exceeds" | |
2256 | " maximum allowed. Hardware has been shut down.\n", | |
2257 | temp_val); | |
2258 | rv = 1; | |
2259 | } else if (temp_state == QLCNIC_TEMP_WARN) { | |
2260 | if (adapter->temp == QLCNIC_TEMP_NORMAL) { | |
2261 | dev_err(&netdev->dev, | |
2262 | "Device temperature %d degrees C " | |
2263 | "exceeds operating range." | |
2264 | " Immediate action needed.\n", | |
2265 | temp_val); | |
2266 | } | |
2267 | } else { | |
2268 | if (adapter->temp == QLCNIC_TEMP_WARN) { | |
2269 | dev_info(&netdev->dev, | |
2270 | "Device temperature is now %d degrees C" | |
2271 | " in normal range.\n", temp_val); | |
2272 | } | |
2273 | } | |
2274 | adapter->temp = temp_state; | |
2275 | return rv; | |
2276 | } | |
2277 | ||
2278 | void qlcnic_advert_link_change(struct qlcnic_adapter *adapter, int linkup) | |
2279 | { | |
2280 | struct net_device *netdev = adapter->netdev; | |
2281 | ||
2282 | if (adapter->ahw.linkup && !linkup) { | |
69324275 | 2283 | netdev_info(netdev, "NIC Link is down\n"); |
af19b491 AKS |
2284 | adapter->ahw.linkup = 0; |
2285 | if (netif_running(netdev)) { | |
2286 | netif_carrier_off(netdev); | |
2287 | netif_stop_queue(netdev); | |
2288 | } | |
2289 | } else if (!adapter->ahw.linkup && linkup) { | |
69324275 | 2290 | netdev_info(netdev, "NIC Link is up\n"); |
af19b491 AKS |
2291 | adapter->ahw.linkup = 1; |
2292 | if (netif_running(netdev)) { | |
2293 | netif_carrier_on(netdev); | |
2294 | netif_wake_queue(netdev); | |
2295 | } | |
2296 | } | |
2297 | } | |
2298 | ||
2299 | static void qlcnic_tx_timeout(struct net_device *netdev) | |
2300 | { | |
2301 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
2302 | ||
2303 | if (test_bit(__QLCNIC_RESETTING, &adapter->state)) | |
2304 | return; | |
2305 | ||
2306 | dev_err(&netdev->dev, "transmit timeout, resetting.\n"); | |
af19b491 AKS |
2307 | |
2308 | if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) | |
68bf1c68 AKS |
2309 | adapter->need_fw_reset = 1; |
2310 | else | |
2311 | adapter->reset_context = 1; | |
af19b491 AKS |
2312 | } |
2313 | ||
2314 | static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev) | |
2315 | { | |
2316 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
2317 | struct net_device_stats *stats = &netdev->stats; | |
2318 | ||
af19b491 AKS |
2319 | stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; |
2320 | stats->tx_packets = adapter->stats.xmitfinished; | |
7e382594 | 2321 | stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes; |
af19b491 AKS |
2322 | stats->tx_bytes = adapter->stats.txbytes; |
2323 | stats->rx_dropped = adapter->stats.rxdropped; | |
2324 | stats->tx_dropped = adapter->stats.txdropped; | |
2325 | ||
2326 | return stats; | |
2327 | } | |
2328 | ||
7eb9855d | 2329 | static irqreturn_t qlcnic_clear_legacy_intr(struct qlcnic_adapter *adapter) |
af19b491 | 2330 | { |
af19b491 AKS |
2331 | u32 status; |
2332 | ||
2333 | status = readl(adapter->isr_int_vec); | |
2334 | ||
2335 | if (!(status & adapter->int_vec_bit)) | |
2336 | return IRQ_NONE; | |
2337 | ||
2338 | /* check interrupt state machine, to be sure */ | |
2339 | status = readl(adapter->crb_int_state_reg); | |
2340 | if (!ISR_LEGACY_INT_TRIGGERED(status)) | |
2341 | return IRQ_NONE; | |
2342 | ||
2343 | writel(0xffffffff, adapter->tgt_status_reg); | |
2344 | /* read twice to ensure write is flushed */ | |
2345 | readl(adapter->isr_int_vec); | |
2346 | readl(adapter->isr_int_vec); | |
2347 | ||
7eb9855d AKS |
2348 | return IRQ_HANDLED; |
2349 | } | |
2350 | ||
2351 | static irqreturn_t qlcnic_tmp_intr(int irq, void *data) | |
2352 | { | |
2353 | struct qlcnic_host_sds_ring *sds_ring = data; | |
2354 | struct qlcnic_adapter *adapter = sds_ring->adapter; | |
2355 | ||
2356 | if (adapter->flags & QLCNIC_MSIX_ENABLED) | |
2357 | goto done; | |
2358 | else if (adapter->flags & QLCNIC_MSI_ENABLED) { | |
2359 | writel(0xffffffff, adapter->tgt_status_reg); | |
2360 | goto done; | |
2361 | } | |
2362 | ||
2363 | if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) | |
2364 | return IRQ_NONE; | |
2365 | ||
2366 | done: | |
2367 | adapter->diag_cnt++; | |
2368 | qlcnic_enable_int(sds_ring); | |
2369 | return IRQ_HANDLED; | |
2370 | } | |
2371 | ||
2372 | static irqreturn_t qlcnic_intr(int irq, void *data) | |
2373 | { | |
2374 | struct qlcnic_host_sds_ring *sds_ring = data; | |
2375 | struct qlcnic_adapter *adapter = sds_ring->adapter; | |
2376 | ||
2377 | if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) | |
2378 | return IRQ_NONE; | |
2379 | ||
af19b491 AKS |
2380 | napi_schedule(&sds_ring->napi); |
2381 | ||
2382 | return IRQ_HANDLED; | |
2383 | } | |
2384 | ||
2385 | static irqreturn_t qlcnic_msi_intr(int irq, void *data) | |
2386 | { | |
2387 | struct qlcnic_host_sds_ring *sds_ring = data; | |
2388 | struct qlcnic_adapter *adapter = sds_ring->adapter; | |
2389 | ||
2390 | /* clear interrupt */ | |
2391 | writel(0xffffffff, adapter->tgt_status_reg); | |
2392 | ||
2393 | napi_schedule(&sds_ring->napi); | |
2394 | return IRQ_HANDLED; | |
2395 | } | |
2396 | ||
2397 | static irqreturn_t qlcnic_msix_intr(int irq, void *data) | |
2398 | { | |
2399 | struct qlcnic_host_sds_ring *sds_ring = data; | |
2400 | ||
2401 | napi_schedule(&sds_ring->napi); | |
2402 | return IRQ_HANDLED; | |
2403 | } | |
2404 | ||
2405 | static int qlcnic_process_cmd_ring(struct qlcnic_adapter *adapter) | |
2406 | { | |
2407 | u32 sw_consumer, hw_consumer; | |
2408 | int count = 0, i; | |
2409 | struct qlcnic_cmd_buffer *buffer; | |
2410 | struct pci_dev *pdev = adapter->pdev; | |
2411 | struct net_device *netdev = adapter->netdev; | |
2412 | struct qlcnic_skb_frag *frag; | |
2413 | int done; | |
2414 | struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring; | |
2415 | ||
2416 | if (!spin_trylock(&adapter->tx_clean_lock)) | |
2417 | return 1; | |
2418 | ||
2419 | sw_consumer = tx_ring->sw_consumer; | |
2420 | hw_consumer = le32_to_cpu(*(tx_ring->hw_consumer)); | |
2421 | ||
2422 | while (sw_consumer != hw_consumer) { | |
2423 | buffer = &tx_ring->cmd_buf_arr[sw_consumer]; | |
2424 | if (buffer->skb) { | |
2425 | frag = &buffer->frag_array[0]; | |
2426 | pci_unmap_single(pdev, frag->dma, frag->length, | |
2427 | PCI_DMA_TODEVICE); | |
2428 | frag->dma = 0ULL; | |
2429 | for (i = 1; i < buffer->frag_count; i++) { | |
2430 | frag++; | |
2431 | pci_unmap_page(pdev, frag->dma, frag->length, | |
2432 | PCI_DMA_TODEVICE); | |
2433 | frag->dma = 0ULL; | |
2434 | } | |
2435 | ||
2436 | adapter->stats.xmitfinished++; | |
2437 | dev_kfree_skb_any(buffer->skb); | |
2438 | buffer->skb = NULL; | |
2439 | } | |
2440 | ||
2441 | sw_consumer = get_next_index(sw_consumer, tx_ring->num_desc); | |
2442 | if (++count >= MAX_STATUS_HANDLE) | |
2443 | break; | |
2444 | } | |
2445 | ||
2446 | if (count && netif_running(netdev)) { | |
2447 | tx_ring->sw_consumer = sw_consumer; | |
2448 | ||
2449 | smp_mb(); | |
2450 | ||
2451 | if (netif_queue_stopped(netdev) && netif_carrier_ok(netdev)) { | |
af19b491 AKS |
2452 | if (qlcnic_tx_avail(tx_ring) > TX_STOP_THRESH) { |
2453 | netif_wake_queue(netdev); | |
8bfe8b91 | 2454 | adapter->stats.xmit_on++; |
af19b491 | 2455 | } |
af19b491 | 2456 | } |
ef71ff83 | 2457 | adapter->tx_timeo_cnt = 0; |
af19b491 AKS |
2458 | } |
2459 | /* | |
2460 | * If everything is freed up to consumer then check if the ring is full | |
2461 | * If the ring is full then check if more needs to be freed and | |
2462 | * schedule the call back again. | |
2463 | * | |
2464 | * This happens when there are 2 CPUs. One could be freeing and the | |
2465 | * other filling it. If the ring is full when we get out of here and | |
2466 | * the card has already interrupted the host then the host can miss the | |
2467 | * interrupt. | |
2468 | * | |
2469 | * There is still a possible race condition and the host could miss an | |
2470 | * interrupt. The card has to take care of this. | |
2471 | */ | |
2472 | hw_consumer = le32_to_cpu(*(tx_ring->hw_consumer)); | |
2473 | done = (sw_consumer == hw_consumer); | |
2474 | spin_unlock(&adapter->tx_clean_lock); | |
2475 | ||
2476 | return done; | |
2477 | } | |
2478 | ||
2479 | static int qlcnic_poll(struct napi_struct *napi, int budget) | |
2480 | { | |
2481 | struct qlcnic_host_sds_ring *sds_ring = | |
2482 | container_of(napi, struct qlcnic_host_sds_ring, napi); | |
2483 | ||
2484 | struct qlcnic_adapter *adapter = sds_ring->adapter; | |
2485 | ||
2486 | int tx_complete; | |
2487 | int work_done; | |
2488 | ||
2489 | tx_complete = qlcnic_process_cmd_ring(adapter); | |
2490 | ||
2491 | work_done = qlcnic_process_rcv_ring(sds_ring, budget); | |
2492 | ||
2493 | if ((work_done < budget) && tx_complete) { | |
2494 | napi_complete(&sds_ring->napi); | |
2495 | if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) | |
2496 | qlcnic_enable_int(sds_ring); | |
2497 | } | |
2498 | ||
2499 | return work_done; | |
2500 | } | |
2501 | ||
8f891387 | 2502 | static int qlcnic_rx_poll(struct napi_struct *napi, int budget) |
2503 | { | |
2504 | struct qlcnic_host_sds_ring *sds_ring = | |
2505 | container_of(napi, struct qlcnic_host_sds_ring, napi); | |
2506 | ||
2507 | struct qlcnic_adapter *adapter = sds_ring->adapter; | |
2508 | int work_done; | |
2509 | ||
2510 | work_done = qlcnic_process_rcv_ring(sds_ring, budget); | |
2511 | ||
2512 | if (work_done < budget) { | |
2513 | napi_complete(&sds_ring->napi); | |
2514 | if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) | |
2515 | qlcnic_enable_int(sds_ring); | |
2516 | } | |
2517 | ||
2518 | return work_done; | |
2519 | } | |
2520 | ||
af19b491 AKS |
2521 | #ifdef CONFIG_NET_POLL_CONTROLLER |
2522 | static void qlcnic_poll_controller(struct net_device *netdev) | |
2523 | { | |
bf82791e YL |
2524 | int ring; |
2525 | struct qlcnic_host_sds_ring *sds_ring; | |
af19b491 | 2526 | struct qlcnic_adapter *adapter = netdev_priv(netdev); |
bf82791e YL |
2527 | struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx; |
2528 | ||
af19b491 | 2529 | disable_irq(adapter->irq); |
bf82791e YL |
2530 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
2531 | sds_ring = &recv_ctx->sds_rings[ring]; | |
2532 | qlcnic_intr(adapter->irq, sds_ring); | |
2533 | } | |
af19b491 AKS |
2534 | enable_irq(adapter->irq); |
2535 | } | |
2536 | #endif | |
2537 | ||
6df900e9 SC |
2538 | static void |
2539 | qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding) | |
2540 | { | |
2541 | u32 val; | |
2542 | ||
2543 | val = adapter->portnum & 0xf; | |
2544 | val |= encoding << 7; | |
2545 | val |= (jiffies - adapter->dev_rst_time) << 8; | |
2546 | ||
2547 | QLCWR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val); | |
2548 | adapter->dev_rst_time = jiffies; | |
2549 | } | |
2550 | ||
ade91f8e AKS |
2551 | static int |
2552 | qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state) | |
af19b491 AKS |
2553 | { |
2554 | u32 val; | |
2555 | ||
2556 | WARN_ON(state != QLCNIC_DEV_NEED_RESET && | |
2557 | state != QLCNIC_DEV_NEED_QUISCENT); | |
2558 | ||
2559 | if (qlcnic_api_lock(adapter)) | |
ade91f8e | 2560 | return -EIO; |
af19b491 AKS |
2561 | |
2562 | val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); | |
2563 | ||
2564 | if (state == QLCNIC_DEV_NEED_RESET) | |
6d2a4724 | 2565 | QLC_DEV_SET_RST_RDY(val, adapter->portnum); |
af19b491 | 2566 | else if (state == QLCNIC_DEV_NEED_QUISCENT) |
6d2a4724 | 2567 | QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum); |
af19b491 AKS |
2568 | |
2569 | QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); | |
2570 | ||
2571 | qlcnic_api_unlock(adapter); | |
ade91f8e AKS |
2572 | |
2573 | return 0; | |
af19b491 AKS |
2574 | } |
2575 | ||
1b95a839 AKS |
2576 | static int |
2577 | qlcnic_clr_drv_state(struct qlcnic_adapter *adapter) | |
2578 | { | |
2579 | u32 val; | |
2580 | ||
2581 | if (qlcnic_api_lock(adapter)) | |
2582 | return -EBUSY; | |
2583 | ||
2584 | val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); | |
6d2a4724 | 2585 | QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); |
1b95a839 AKS |
2586 | QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); |
2587 | ||
2588 | qlcnic_api_unlock(adapter); | |
2589 | ||
2590 | return 0; | |
2591 | } | |
2592 | ||
af19b491 | 2593 | static void |
21854f02 | 2594 | qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed) |
af19b491 AKS |
2595 | { |
2596 | u32 val; | |
2597 | ||
2598 | if (qlcnic_api_lock(adapter)) | |
2599 | goto err; | |
2600 | ||
31018e06 | 2601 | val = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE); |
6d2a4724 | 2602 | QLC_DEV_CLR_REF_CNT(val, adapter->portnum); |
31018e06 | 2603 | QLCWR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); |
af19b491 | 2604 | |
21854f02 AKS |
2605 | if (failed) { |
2606 | QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED); | |
2607 | dev_info(&adapter->pdev->dev, | |
2608 | "Device state set to Failed. Please Reboot\n"); | |
2609 | } else if (!(val & 0x11111111)) | |
af19b491 AKS |
2610 | QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_COLD); |
2611 | ||
2612 | val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); | |
6d2a4724 | 2613 | QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); |
af19b491 AKS |
2614 | QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); |
2615 | ||
2616 | qlcnic_api_unlock(adapter); | |
2617 | err: | |
2618 | adapter->fw_fail_cnt = 0; | |
2619 | clear_bit(__QLCNIC_START_FW, &adapter->state); | |
2620 | clear_bit(__QLCNIC_RESETTING, &adapter->state); | |
2621 | } | |
2622 | ||
f73dfc50 | 2623 | /* Grab api lock, before checking state */ |
af19b491 AKS |
2624 | static int |
2625 | qlcnic_check_drv_state(struct qlcnic_adapter *adapter) | |
2626 | { | |
2627 | int act, state; | |
2628 | ||
2629 | state = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); | |
31018e06 | 2630 | act = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE); |
af19b491 AKS |
2631 | |
2632 | if (((state & 0x11111111) == (act & 0x11111111)) || | |
2633 | ((act & 0x11111111) == ((state >> 1) & 0x11111111))) | |
2634 | return 0; | |
2635 | else | |
2636 | return 1; | |
2637 | } | |
2638 | ||
96f8118c SC |
2639 | static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter) |
2640 | { | |
2641 | u32 val = QLCRD32(adapter, QLCNIC_CRB_DRV_IDC_VER); | |
2642 | ||
2643 | if (val != QLCNIC_DRV_IDC_VER) { | |
2644 | dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's" | |
2645 | " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val); | |
2646 | } | |
2647 | ||
2648 | return 0; | |
2649 | } | |
2650 | ||
af19b491 AKS |
2651 | static int |
2652 | qlcnic_can_start_firmware(struct qlcnic_adapter *adapter) | |
2653 | { | |
2654 | u32 val, prev_state; | |
aa5e18c0 | 2655 | u8 dev_init_timeo = adapter->dev_init_timeo; |
6d2a4724 | 2656 | u8 portnum = adapter->portnum; |
96f8118c | 2657 | u8 ret; |
af19b491 | 2658 | |
f73dfc50 AKS |
2659 | if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state)) |
2660 | return 1; | |
2661 | ||
af19b491 AKS |
2662 | if (qlcnic_api_lock(adapter)) |
2663 | return -1; | |
2664 | ||
31018e06 | 2665 | val = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE); |
6d2a4724 AKS |
2666 | if (!(val & (1 << (portnum * 4)))) { |
2667 | QLC_DEV_SET_REF_CNT(val, portnum); | |
31018e06 | 2668 | QLCWR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); |
af19b491 AKS |
2669 | } |
2670 | ||
2671 | prev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); | |
65b5b420 | 2672 | QLCDB(adapter, HW, "Device state = %u\n", prev_state); |
af19b491 AKS |
2673 | |
2674 | switch (prev_state) { | |
2675 | case QLCNIC_DEV_COLD: | |
bbd8c6a4 | 2676 | QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITIALIZING); |
96f8118c | 2677 | QLCWR32(adapter, QLCNIC_CRB_DRV_IDC_VER, QLCNIC_DRV_IDC_VER); |
6df900e9 | 2678 | qlcnic_idc_debug_info(adapter, 0); |
af19b491 AKS |
2679 | qlcnic_api_unlock(adapter); |
2680 | return 1; | |
2681 | ||
2682 | case QLCNIC_DEV_READY: | |
96f8118c | 2683 | ret = qlcnic_check_idc_ver(adapter); |
af19b491 | 2684 | qlcnic_api_unlock(adapter); |
96f8118c | 2685 | return ret; |
af19b491 AKS |
2686 | |
2687 | case QLCNIC_DEV_NEED_RESET: | |
2688 | val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); | |
6d2a4724 | 2689 | QLC_DEV_SET_RST_RDY(val, portnum); |
af19b491 AKS |
2690 | QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); |
2691 | break; | |
2692 | ||
2693 | case QLCNIC_DEV_NEED_QUISCENT: | |
2694 | val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); | |
6d2a4724 | 2695 | QLC_DEV_SET_QSCNT_RDY(val, portnum); |
af19b491 AKS |
2696 | QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); |
2697 | break; | |
2698 | ||
2699 | case QLCNIC_DEV_FAILED: | |
a7fc948f | 2700 | dev_err(&adapter->pdev->dev, "Device in failed state.\n"); |
af19b491 AKS |
2701 | qlcnic_api_unlock(adapter); |
2702 | return -1; | |
bbd8c6a4 AKS |
2703 | |
2704 | case QLCNIC_DEV_INITIALIZING: | |
2705 | case QLCNIC_DEV_QUISCENT: | |
2706 | break; | |
af19b491 AKS |
2707 | } |
2708 | ||
2709 | qlcnic_api_unlock(adapter); | |
aa5e18c0 SC |
2710 | |
2711 | do { | |
af19b491 | 2712 | msleep(1000); |
a5e463d0 SC |
2713 | prev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); |
2714 | ||
2715 | if (prev_state == QLCNIC_DEV_QUISCENT) | |
2716 | continue; | |
2717 | } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo); | |
af19b491 | 2718 | |
65b5b420 AKS |
2719 | if (!dev_init_timeo) { |
2720 | dev_err(&adapter->pdev->dev, | |
2721 | "Waiting for device to initialize timeout\n"); | |
af19b491 | 2722 | return -1; |
65b5b420 | 2723 | } |
af19b491 AKS |
2724 | |
2725 | if (qlcnic_api_lock(adapter)) | |
2726 | return -1; | |
2727 | ||
2728 | val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); | |
6d2a4724 | 2729 | QLC_DEV_CLR_RST_QSCNT(val, portnum); |
af19b491 AKS |
2730 | QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); |
2731 | ||
96f8118c | 2732 | ret = qlcnic_check_idc_ver(adapter); |
af19b491 AKS |
2733 | qlcnic_api_unlock(adapter); |
2734 | ||
96f8118c | 2735 | return ret; |
af19b491 AKS |
2736 | } |
2737 | ||
2738 | static void | |
2739 | qlcnic_fwinit_work(struct work_struct *work) | |
2740 | { | |
2741 | struct qlcnic_adapter *adapter = container_of(work, | |
2742 | struct qlcnic_adapter, fw_work.work); | |
3c4b23b1 | 2743 | u32 dev_state = 0xf; |
af19b491 | 2744 | |
f73dfc50 AKS |
2745 | if (qlcnic_api_lock(adapter)) |
2746 | goto err_ret; | |
af19b491 | 2747 | |
a5e463d0 SC |
2748 | dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); |
2749 | if (dev_state == QLCNIC_DEV_QUISCENT) { | |
2750 | qlcnic_api_unlock(adapter); | |
2751 | qlcnic_schedule_work(adapter, qlcnic_fwinit_work, | |
2752 | FW_POLL_DELAY * 2); | |
2753 | return; | |
2754 | } | |
2755 | ||
9f26f547 | 2756 | if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC) { |
3c4b23b1 AKS |
2757 | qlcnic_api_unlock(adapter); |
2758 | goto wait_npar; | |
9f26f547 AC |
2759 | } |
2760 | ||
f73dfc50 AKS |
2761 | if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) { |
2762 | dev_err(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n", | |
2763 | adapter->reset_ack_timeo); | |
2764 | goto skip_ack_check; | |
2765 | } | |
2766 | ||
2767 | if (!qlcnic_check_drv_state(adapter)) { | |
2768 | skip_ack_check: | |
2769 | dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); | |
a5e463d0 SC |
2770 | |
2771 | if (dev_state == QLCNIC_DEV_NEED_QUISCENT) { | |
2772 | QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, | |
2773 | QLCNIC_DEV_QUISCENT); | |
2774 | qlcnic_schedule_work(adapter, qlcnic_fwinit_work, | |
2775 | FW_POLL_DELAY * 2); | |
2776 | QLCDB(adapter, DRV, "Quiscing the driver\n"); | |
6df900e9 SC |
2777 | qlcnic_idc_debug_info(adapter, 0); |
2778 | ||
a5e463d0 SC |
2779 | qlcnic_api_unlock(adapter); |
2780 | return; | |
2781 | } | |
2782 | ||
f73dfc50 AKS |
2783 | if (dev_state == QLCNIC_DEV_NEED_RESET) { |
2784 | QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, | |
2785 | QLCNIC_DEV_INITIALIZING); | |
2786 | set_bit(__QLCNIC_START_FW, &adapter->state); | |
2787 | QLCDB(adapter, DRV, "Restarting fw\n"); | |
6df900e9 | 2788 | qlcnic_idc_debug_info(adapter, 0); |
af19b491 AKS |
2789 | } |
2790 | ||
f73dfc50 AKS |
2791 | qlcnic_api_unlock(adapter); |
2792 | ||
9f26f547 | 2793 | if (!adapter->nic_ops->start_firmware(adapter)) { |
af19b491 | 2794 | qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); |
b18971d1 | 2795 | adapter->fw_wait_cnt = 0; |
af19b491 AKS |
2796 | return; |
2797 | } | |
af19b491 AKS |
2798 | goto err_ret; |
2799 | } | |
2800 | ||
f73dfc50 | 2801 | qlcnic_api_unlock(adapter); |
aa5e18c0 | 2802 | |
9f26f547 | 2803 | wait_npar: |
af19b491 | 2804 | dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); |
f73dfc50 | 2805 | QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state); |
65b5b420 | 2806 | |
af19b491 | 2807 | switch (dev_state) { |
3c4b23b1 | 2808 | case QLCNIC_DEV_READY: |
9f26f547 | 2809 | if (!adapter->nic_ops->start_firmware(adapter)) { |
f73dfc50 | 2810 | qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); |
b18971d1 | 2811 | adapter->fw_wait_cnt = 0; |
f73dfc50 AKS |
2812 | return; |
2813 | } | |
3c4b23b1 AKS |
2814 | case QLCNIC_DEV_FAILED: |
2815 | break; | |
2816 | default: | |
2817 | qlcnic_schedule_work(adapter, | |
2818 | qlcnic_fwinit_work, FW_POLL_DELAY); | |
2819 | return; | |
af19b491 AKS |
2820 | } |
2821 | ||
2822 | err_ret: | |
f73dfc50 AKS |
2823 | dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u " |
2824 | "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt); | |
34ce3626 | 2825 | netif_device_attach(adapter->netdev); |
21854f02 | 2826 | qlcnic_clr_all_drv_state(adapter, 0); |
af19b491 AKS |
2827 | } |
2828 | ||
2829 | static void | |
2830 | qlcnic_detach_work(struct work_struct *work) | |
2831 | { | |
2832 | struct qlcnic_adapter *adapter = container_of(work, | |
2833 | struct qlcnic_adapter, fw_work.work); | |
2834 | struct net_device *netdev = adapter->netdev; | |
2835 | u32 status; | |
2836 | ||
2837 | netif_device_detach(netdev); | |
2838 | ||
2839 | qlcnic_down(adapter, netdev); | |
2840 | ||
af19b491 AKS |
2841 | status = QLCRD32(adapter, QLCNIC_PEG_HALT_STATUS1); |
2842 | ||
2843 | if (status & QLCNIC_RCODE_FATAL_ERROR) | |
2844 | goto err_ret; | |
2845 | ||
2846 | if (adapter->temp == QLCNIC_TEMP_PANIC) | |
2847 | goto err_ret; | |
2848 | ||
ade91f8e AKS |
2849 | if (qlcnic_set_drv_state(adapter, adapter->dev_state)) |
2850 | goto err_ret; | |
af19b491 AKS |
2851 | |
2852 | adapter->fw_wait_cnt = 0; | |
2853 | ||
2854 | qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY); | |
2855 | ||
2856 | return; | |
2857 | ||
2858 | err_ret: | |
65b5b420 AKS |
2859 | dev_err(&adapter->pdev->dev, "detach failed; status=%d temp=%d\n", |
2860 | status, adapter->temp); | |
34ce3626 | 2861 | netif_device_attach(netdev); |
21854f02 | 2862 | qlcnic_clr_all_drv_state(adapter, 1); |
af19b491 AKS |
2863 | } |
2864 | ||
3c4b23b1 AKS |
2865 | /*Transit NPAR state to NON Operational */ |
2866 | static void | |
2867 | qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter) | |
2868 | { | |
2869 | u32 state; | |
2870 | ||
2871 | state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); | |
2872 | if (state == QLCNIC_DEV_NPAR_NON_OPER) | |
2873 | return; | |
2874 | ||
2875 | if (qlcnic_api_lock(adapter)) | |
2876 | return; | |
2877 | QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_NON_OPER); | |
2878 | qlcnic_api_unlock(adapter); | |
2879 | } | |
2880 | ||
f73dfc50 | 2881 | /*Transit to RESET state from READY state only */ |
af19b491 AKS |
2882 | static void |
2883 | qlcnic_dev_request_reset(struct qlcnic_adapter *adapter) | |
2884 | { | |
2885 | u32 state; | |
2886 | ||
cea8975e | 2887 | adapter->need_fw_reset = 1; |
af19b491 AKS |
2888 | if (qlcnic_api_lock(adapter)) |
2889 | return; | |
2890 | ||
2891 | state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); | |
2892 | ||
f73dfc50 | 2893 | if (state == QLCNIC_DEV_READY) { |
af19b491 | 2894 | QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_NEED_RESET); |
65b5b420 | 2895 | QLCDB(adapter, DRV, "NEED_RESET state set\n"); |
6df900e9 | 2896 | qlcnic_idc_debug_info(adapter, 0); |
af19b491 AKS |
2897 | } |
2898 | ||
3c4b23b1 | 2899 | QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_NON_OPER); |
af19b491 AKS |
2900 | qlcnic_api_unlock(adapter); |
2901 | } | |
2902 | ||
9f26f547 AC |
2903 | /* Transit to NPAR READY state from NPAR NOT READY state */ |
2904 | static void | |
2905 | qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter) | |
2906 | { | |
9f26f547 AC |
2907 | if (qlcnic_api_lock(adapter)) |
2908 | return; | |
2909 | ||
3c4b23b1 AKS |
2910 | QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_OPER); |
2911 | QLCDB(adapter, DRV, "NPAR operational state set\n"); | |
9f26f547 AC |
2912 | |
2913 | qlcnic_api_unlock(adapter); | |
2914 | } | |
2915 | ||
af19b491 AKS |
2916 | static void |
2917 | qlcnic_schedule_work(struct qlcnic_adapter *adapter, | |
2918 | work_func_t func, int delay) | |
2919 | { | |
451724c8 SC |
2920 | if (test_bit(__QLCNIC_AER, &adapter->state)) |
2921 | return; | |
2922 | ||
af19b491 AKS |
2923 | INIT_DELAYED_WORK(&adapter->fw_work, func); |
2924 | schedule_delayed_work(&adapter->fw_work, round_jiffies_relative(delay)); | |
2925 | } | |
2926 | ||
2927 | static void | |
2928 | qlcnic_cancel_fw_work(struct qlcnic_adapter *adapter) | |
2929 | { | |
2930 | while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) | |
2931 | msleep(10); | |
2932 | ||
2933 | cancel_delayed_work_sync(&adapter->fw_work); | |
2934 | } | |
2935 | ||
2936 | static void | |
2937 | qlcnic_attach_work(struct work_struct *work) | |
2938 | { | |
2939 | struct qlcnic_adapter *adapter = container_of(work, | |
2940 | struct qlcnic_adapter, fw_work.work); | |
2941 | struct net_device *netdev = adapter->netdev; | |
b18971d1 | 2942 | u32 npar_state; |
af19b491 | 2943 | |
b18971d1 AKS |
2944 | if (adapter->op_mode != QLCNIC_MGMT_FUNC) { |
2945 | npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); | |
2946 | if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO) | |
2947 | qlcnic_clr_all_drv_state(adapter, 0); | |
2948 | else if (npar_state != QLCNIC_DEV_NPAR_OPER) | |
2949 | qlcnic_schedule_work(adapter, qlcnic_attach_work, | |
2950 | FW_POLL_DELAY); | |
2951 | else | |
2952 | goto attach; | |
2953 | QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n"); | |
2954 | return; | |
2955 | } | |
2956 | attach: | |
af19b491 | 2957 | if (netif_running(netdev)) { |
52486a3a | 2958 | if (qlcnic_up(adapter, netdev)) |
af19b491 | 2959 | goto done; |
af19b491 | 2960 | |
aec1e845 | 2961 | qlcnic_restore_indev_addr(netdev, NETDEV_UP); |
af19b491 AKS |
2962 | } |
2963 | ||
af19b491 | 2964 | done: |
34ce3626 | 2965 | netif_device_attach(netdev); |
af19b491 AKS |
2966 | adapter->fw_fail_cnt = 0; |
2967 | clear_bit(__QLCNIC_RESETTING, &adapter->state); | |
1b95a839 AKS |
2968 | |
2969 | if (!qlcnic_clr_drv_state(adapter)) | |
2970 | qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, | |
2971 | FW_POLL_DELAY); | |
af19b491 AKS |
2972 | } |
2973 | ||
2974 | static int | |
2975 | qlcnic_check_health(struct qlcnic_adapter *adapter) | |
2976 | { | |
4e70812b | 2977 | u32 state = 0, heartbeat; |
af19b491 AKS |
2978 | struct net_device *netdev = adapter->netdev; |
2979 | ||
2980 | if (qlcnic_check_temp(adapter)) | |
2981 | goto detach; | |
2982 | ||
2372a5f1 | 2983 | if (adapter->need_fw_reset) |
af19b491 | 2984 | qlcnic_dev_request_reset(adapter); |
af19b491 AKS |
2985 | |
2986 | state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); | |
3c4b23b1 AKS |
2987 | if (state == QLCNIC_DEV_NEED_RESET || |
2988 | state == QLCNIC_DEV_NEED_QUISCENT) { | |
2989 | qlcnic_set_npar_non_operational(adapter); | |
af19b491 | 2990 | adapter->need_fw_reset = 1; |
3c4b23b1 | 2991 | } |
af19b491 | 2992 | |
4e70812b SC |
2993 | heartbeat = QLCRD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); |
2994 | if (heartbeat != adapter->heartbeat) { | |
2995 | adapter->heartbeat = heartbeat; | |
af19b491 AKS |
2996 | adapter->fw_fail_cnt = 0; |
2997 | if (adapter->need_fw_reset) | |
2998 | goto detach; | |
68bf1c68 | 2999 | |
0df170b6 AKS |
3000 | if (adapter->reset_context && |
3001 | auto_fw_reset == AUTO_FW_RESET_ENABLED) { | |
68bf1c68 AKS |
3002 | qlcnic_reset_hw_context(adapter); |
3003 | adapter->netdev->trans_start = jiffies; | |
3004 | } | |
3005 | ||
af19b491 AKS |
3006 | return 0; |
3007 | } | |
3008 | ||
3009 | if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) | |
3010 | return 0; | |
3011 | ||
3012 | qlcnic_dev_request_reset(adapter); | |
3013 | ||
0df170b6 AKS |
3014 | if ((auto_fw_reset == AUTO_FW_RESET_ENABLED)) |
3015 | clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state); | |
af19b491 AKS |
3016 | |
3017 | dev_info(&netdev->dev, "firmware hang detected\n"); | |
3018 | ||
3019 | detach: | |
3020 | adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state : | |
3021 | QLCNIC_DEV_NEED_RESET; | |
3022 | ||
3023 | if ((auto_fw_reset == AUTO_FW_RESET_ENABLED) && | |
65b5b420 AKS |
3024 | !test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) { |
3025 | ||
af19b491 | 3026 | qlcnic_schedule_work(adapter, qlcnic_detach_work, 0); |
65b5b420 AKS |
3027 | QLCDB(adapter, DRV, "fw recovery scheduled.\n"); |
3028 | } | |
af19b491 AKS |
3029 | |
3030 | return 1; | |
3031 | } | |
3032 | ||
3033 | static void | |
3034 | qlcnic_fw_poll_work(struct work_struct *work) | |
3035 | { | |
3036 | struct qlcnic_adapter *adapter = container_of(work, | |
3037 | struct qlcnic_adapter, fw_work.work); | |
3038 | ||
3039 | if (test_bit(__QLCNIC_RESETTING, &adapter->state)) | |
3040 | goto reschedule; | |
3041 | ||
3042 | ||
3043 | if (qlcnic_check_health(adapter)) | |
3044 | return; | |
3045 | ||
b5e5492c AKS |
3046 | if (adapter->fhash.fnum) |
3047 | qlcnic_prune_lb_filters(adapter); | |
3048 | ||
af19b491 AKS |
3049 | reschedule: |
3050 | qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); | |
3051 | } | |
3052 | ||
451724c8 SC |
3053 | static int qlcnic_is_first_func(struct pci_dev *pdev) |
3054 | { | |
3055 | struct pci_dev *oth_pdev; | |
3056 | int val = pdev->devfn; | |
3057 | ||
3058 | while (val-- > 0) { | |
3059 | oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr | |
3060 | (pdev->bus), pdev->bus->number, | |
3061 | PCI_DEVFN(PCI_SLOT(pdev->devfn), val)); | |
bfc978fa AKS |
3062 | if (!oth_pdev) |
3063 | continue; | |
451724c8 | 3064 | |
bfc978fa AKS |
3065 | if (oth_pdev->current_state != PCI_D3cold) { |
3066 | pci_dev_put(oth_pdev); | |
451724c8 | 3067 | return 0; |
bfc978fa AKS |
3068 | } |
3069 | pci_dev_put(oth_pdev); | |
451724c8 SC |
3070 | } |
3071 | return 1; | |
3072 | } | |
3073 | ||
3074 | static int qlcnic_attach_func(struct pci_dev *pdev) | |
3075 | { | |
3076 | int err, first_func; | |
3077 | struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); | |
3078 | struct net_device *netdev = adapter->netdev; | |
3079 | ||
3080 | pdev->error_state = pci_channel_io_normal; | |
3081 | ||
3082 | err = pci_enable_device(pdev); | |
3083 | if (err) | |
3084 | return err; | |
3085 | ||
3086 | pci_set_power_state(pdev, PCI_D0); | |
3087 | pci_set_master(pdev); | |
3088 | pci_restore_state(pdev); | |
3089 | ||
3090 | first_func = qlcnic_is_first_func(pdev); | |
3091 | ||
3092 | if (qlcnic_api_lock(adapter)) | |
3093 | return -EINVAL; | |
3094 | ||
933fce12 | 3095 | if (adapter->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) { |
451724c8 SC |
3096 | adapter->need_fw_reset = 1; |
3097 | set_bit(__QLCNIC_START_FW, &adapter->state); | |
3098 | QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITIALIZING); | |
3099 | QLCDB(adapter, DRV, "Restarting fw\n"); | |
3100 | } | |
3101 | qlcnic_api_unlock(adapter); | |
3102 | ||
3103 | err = adapter->nic_ops->start_firmware(adapter); | |
3104 | if (err) | |
3105 | return err; | |
3106 | ||
3107 | qlcnic_clr_drv_state(adapter); | |
3108 | qlcnic_setup_intr(adapter); | |
3109 | ||
3110 | if (netif_running(netdev)) { | |
3111 | err = qlcnic_attach(adapter); | |
3112 | if (err) { | |
21854f02 | 3113 | qlcnic_clr_all_drv_state(adapter, 1); |
451724c8 SC |
3114 | clear_bit(__QLCNIC_AER, &adapter->state); |
3115 | netif_device_attach(netdev); | |
3116 | return err; | |
3117 | } | |
3118 | ||
3119 | err = qlcnic_up(adapter, netdev); | |
3120 | if (err) | |
3121 | goto done; | |
3122 | ||
aec1e845 | 3123 | qlcnic_restore_indev_addr(netdev, NETDEV_UP); |
451724c8 SC |
3124 | } |
3125 | done: | |
3126 | netif_device_attach(netdev); | |
3127 | return err; | |
3128 | } | |
3129 | ||
3130 | static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev, | |
3131 | pci_channel_state_t state) | |
3132 | { | |
3133 | struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); | |
3134 | struct net_device *netdev = adapter->netdev; | |
3135 | ||
3136 | if (state == pci_channel_io_perm_failure) | |
3137 | return PCI_ERS_RESULT_DISCONNECT; | |
3138 | ||
3139 | if (state == pci_channel_io_normal) | |
3140 | return PCI_ERS_RESULT_RECOVERED; | |
3141 | ||
3142 | set_bit(__QLCNIC_AER, &adapter->state); | |
3143 | netif_device_detach(netdev); | |
3144 | ||
3145 | cancel_delayed_work_sync(&adapter->fw_work); | |
3146 | ||
3147 | if (netif_running(netdev)) | |
3148 | qlcnic_down(adapter, netdev); | |
3149 | ||
3150 | qlcnic_detach(adapter); | |
3151 | qlcnic_teardown_intr(adapter); | |
3152 | ||
3153 | clear_bit(__QLCNIC_RESETTING, &adapter->state); | |
3154 | ||
3155 | pci_save_state(pdev); | |
3156 | pci_disable_device(pdev); | |
3157 | ||
3158 | return PCI_ERS_RESULT_NEED_RESET; | |
3159 | } | |
3160 | ||
3161 | static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev) | |
3162 | { | |
3163 | return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT : | |
3164 | PCI_ERS_RESULT_RECOVERED; | |
3165 | } | |
3166 | ||
3167 | static void qlcnic_io_resume(struct pci_dev *pdev) | |
3168 | { | |
3169 | struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); | |
3170 | ||
3171 | pci_cleanup_aer_uncorrect_error_status(pdev); | |
3172 | ||
3173 | if (QLCRD32(adapter, QLCNIC_CRB_DEV_STATE) == QLCNIC_DEV_READY && | |
3174 | test_and_clear_bit(__QLCNIC_AER, &adapter->state)) | |
3175 | qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, | |
3176 | FW_POLL_DELAY); | |
3177 | } | |
3178 | ||
87eb743b AC |
3179 | static int |
3180 | qlcnicvf_start_firmware(struct qlcnic_adapter *adapter) | |
3181 | { | |
3182 | int err; | |
3183 | ||
3184 | err = qlcnic_can_start_firmware(adapter); | |
3185 | if (err) | |
3186 | return err; | |
3187 | ||
78f84e1a AKS |
3188 | err = qlcnic_check_npar_opertional(adapter); |
3189 | if (err) | |
3190 | return err; | |
3c4b23b1 | 3191 | |
174240a8 RB |
3192 | err = qlcnic_initialize_nic(adapter); |
3193 | if (err) | |
3194 | return err; | |
3195 | ||
87eb743b AC |
3196 | qlcnic_check_options(adapter); |
3197 | ||
7373373d RB |
3198 | err = qlcnic_set_eswitch_port_config(adapter); |
3199 | if (err) | |
3200 | return err; | |
3201 | ||
87eb743b AC |
3202 | adapter->need_fw_reset = 0; |
3203 | ||
3204 | return err; | |
3205 | } | |
3206 | ||
3207 | static int | |
3208 | qlcnicvf_config_bridged_mode(struct qlcnic_adapter *adapter, u32 enable) | |
3209 | { | |
3210 | return -EOPNOTSUPP; | |
3211 | } | |
3212 | ||
3213 | static int | |
3214 | qlcnicvf_config_led(struct qlcnic_adapter *adapter, u32 state, u32 rate) | |
3215 | { | |
3216 | return -EOPNOTSUPP; | |
3217 | } | |
3218 | ||
af19b491 AKS |
3219 | static ssize_t |
3220 | qlcnic_store_bridged_mode(struct device *dev, | |
3221 | struct device_attribute *attr, const char *buf, size_t len) | |
3222 | { | |
3223 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3224 | unsigned long new; | |
3225 | int ret = -EINVAL; | |
3226 | ||
3227 | if (!(adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG)) | |
3228 | goto err_out; | |
3229 | ||
8a15ad1f | 3230 | if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) |
af19b491 AKS |
3231 | goto err_out; |
3232 | ||
3233 | if (strict_strtoul(buf, 2, &new)) | |
3234 | goto err_out; | |
3235 | ||
2e9d722d | 3236 | if (!adapter->nic_ops->config_bridged_mode(adapter, !!new)) |
af19b491 AKS |
3237 | ret = len; |
3238 | ||
3239 | err_out: | |
3240 | return ret; | |
3241 | } | |
3242 | ||
3243 | static ssize_t | |
3244 | qlcnic_show_bridged_mode(struct device *dev, | |
3245 | struct device_attribute *attr, char *buf) | |
3246 | { | |
3247 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3248 | int bridged_mode = 0; | |
3249 | ||
3250 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG) | |
3251 | bridged_mode = !!(adapter->flags & QLCNIC_BRIDGE_ENABLED); | |
3252 | ||
3253 | return sprintf(buf, "%d\n", bridged_mode); | |
3254 | } | |
3255 | ||
3256 | static struct device_attribute dev_attr_bridged_mode = { | |
3257 | .attr = {.name = "bridged_mode", .mode = (S_IRUGO | S_IWUSR)}, | |
3258 | .show = qlcnic_show_bridged_mode, | |
3259 | .store = qlcnic_store_bridged_mode, | |
3260 | }; | |
3261 | ||
3262 | static ssize_t | |
3263 | qlcnic_store_diag_mode(struct device *dev, | |
3264 | struct device_attribute *attr, const char *buf, size_t len) | |
3265 | { | |
3266 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3267 | unsigned long new; | |
3268 | ||
3269 | if (strict_strtoul(buf, 2, &new)) | |
3270 | return -EINVAL; | |
3271 | ||
3272 | if (!!new != !!(adapter->flags & QLCNIC_DIAG_ENABLED)) | |
3273 | adapter->flags ^= QLCNIC_DIAG_ENABLED; | |
3274 | ||
3275 | return len; | |
3276 | } | |
3277 | ||
3278 | static ssize_t | |
3279 | qlcnic_show_diag_mode(struct device *dev, | |
3280 | struct device_attribute *attr, char *buf) | |
3281 | { | |
3282 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3283 | ||
3284 | return sprintf(buf, "%d\n", | |
3285 | !!(adapter->flags & QLCNIC_DIAG_ENABLED)); | |
3286 | } | |
3287 | ||
3288 | static struct device_attribute dev_attr_diag_mode = { | |
3289 | .attr = {.name = "diag_mode", .mode = (S_IRUGO | S_IWUSR)}, | |
3290 | .show = qlcnic_show_diag_mode, | |
3291 | .store = qlcnic_store_diag_mode, | |
3292 | }; | |
3293 | ||
3294 | static int | |
3295 | qlcnic_sysfs_validate_crb(struct qlcnic_adapter *adapter, | |
3296 | loff_t offset, size_t size) | |
3297 | { | |
897e8c7c DP |
3298 | size_t crb_size = 4; |
3299 | ||
af19b491 AKS |
3300 | if (!(adapter->flags & QLCNIC_DIAG_ENABLED)) |
3301 | return -EIO; | |
3302 | ||
897e8c7c DP |
3303 | if (offset < QLCNIC_PCI_CRBSPACE) { |
3304 | if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, | |
3305 | QLCNIC_PCI_CAMQM_END)) | |
3306 | crb_size = 8; | |
3307 | else | |
3308 | return -EINVAL; | |
3309 | } | |
af19b491 | 3310 | |
897e8c7c DP |
3311 | if ((size != crb_size) || (offset & (crb_size-1))) |
3312 | return -EINVAL; | |
af19b491 AKS |
3313 | |
3314 | return 0; | |
3315 | } | |
3316 | ||
3317 | static ssize_t | |
2c3c8bea CW |
3318 | qlcnic_sysfs_read_crb(struct file *filp, struct kobject *kobj, |
3319 | struct bin_attribute *attr, | |
af19b491 AKS |
3320 | char *buf, loff_t offset, size_t size) |
3321 | { | |
3322 | struct device *dev = container_of(kobj, struct device, kobj); | |
3323 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3324 | u32 data; | |
897e8c7c | 3325 | u64 qmdata; |
af19b491 AKS |
3326 | int ret; |
3327 | ||
3328 | ret = qlcnic_sysfs_validate_crb(adapter, offset, size); | |
3329 | if (ret != 0) | |
3330 | return ret; | |
3331 | ||
897e8c7c DP |
3332 | if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, QLCNIC_PCI_CAMQM_END)) { |
3333 | qlcnic_pci_camqm_read_2M(adapter, offset, &qmdata); | |
3334 | memcpy(buf, &qmdata, size); | |
3335 | } else { | |
3336 | data = QLCRD32(adapter, offset); | |
3337 | memcpy(buf, &data, size); | |
3338 | } | |
af19b491 AKS |
3339 | return size; |
3340 | } | |
3341 | ||
3342 | static ssize_t | |
2c3c8bea CW |
3343 | qlcnic_sysfs_write_crb(struct file *filp, struct kobject *kobj, |
3344 | struct bin_attribute *attr, | |
af19b491 AKS |
3345 | char *buf, loff_t offset, size_t size) |
3346 | { | |
3347 | struct device *dev = container_of(kobj, struct device, kobj); | |
3348 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3349 | u32 data; | |
897e8c7c | 3350 | u64 qmdata; |
af19b491 AKS |
3351 | int ret; |
3352 | ||
3353 | ret = qlcnic_sysfs_validate_crb(adapter, offset, size); | |
3354 | if (ret != 0) | |
3355 | return ret; | |
3356 | ||
897e8c7c DP |
3357 | if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, QLCNIC_PCI_CAMQM_END)) { |
3358 | memcpy(&qmdata, buf, size); | |
3359 | qlcnic_pci_camqm_write_2M(adapter, offset, qmdata); | |
3360 | } else { | |
3361 | memcpy(&data, buf, size); | |
3362 | QLCWR32(adapter, offset, data); | |
3363 | } | |
af19b491 AKS |
3364 | return size; |
3365 | } | |
3366 | ||
3367 | static int | |
3368 | qlcnic_sysfs_validate_mem(struct qlcnic_adapter *adapter, | |
3369 | loff_t offset, size_t size) | |
3370 | { | |
3371 | if (!(adapter->flags & QLCNIC_DIAG_ENABLED)) | |
3372 | return -EIO; | |
3373 | ||
3374 | if ((size != 8) || (offset & 0x7)) | |
3375 | return -EIO; | |
3376 | ||
3377 | return 0; | |
3378 | } | |
3379 | ||
3380 | static ssize_t | |
2c3c8bea CW |
3381 | qlcnic_sysfs_read_mem(struct file *filp, struct kobject *kobj, |
3382 | struct bin_attribute *attr, | |
af19b491 AKS |
3383 | char *buf, loff_t offset, size_t size) |
3384 | { | |
3385 | struct device *dev = container_of(kobj, struct device, kobj); | |
3386 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3387 | u64 data; | |
3388 | int ret; | |
3389 | ||
3390 | ret = qlcnic_sysfs_validate_mem(adapter, offset, size); | |
3391 | if (ret != 0) | |
3392 | return ret; | |
3393 | ||
3394 | if (qlcnic_pci_mem_read_2M(adapter, offset, &data)) | |
3395 | return -EIO; | |
3396 | ||
3397 | memcpy(buf, &data, size); | |
3398 | ||
3399 | return size; | |
3400 | } | |
3401 | ||
3402 | static ssize_t | |
2c3c8bea CW |
3403 | qlcnic_sysfs_write_mem(struct file *filp, struct kobject *kobj, |
3404 | struct bin_attribute *attr, | |
af19b491 AKS |
3405 | char *buf, loff_t offset, size_t size) |
3406 | { | |
3407 | struct device *dev = container_of(kobj, struct device, kobj); | |
3408 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3409 | u64 data; | |
3410 | int ret; | |
3411 | ||
3412 | ret = qlcnic_sysfs_validate_mem(adapter, offset, size); | |
3413 | if (ret != 0) | |
3414 | return ret; | |
3415 | ||
3416 | memcpy(&data, buf, size); | |
3417 | ||
3418 | if (qlcnic_pci_mem_write_2M(adapter, offset, data)) | |
3419 | return -EIO; | |
3420 | ||
3421 | return size; | |
3422 | } | |
3423 | ||
3424 | ||
3425 | static struct bin_attribute bin_attr_crb = { | |
3426 | .attr = {.name = "crb", .mode = (S_IRUGO | S_IWUSR)}, | |
3427 | .size = 0, | |
3428 | .read = qlcnic_sysfs_read_crb, | |
3429 | .write = qlcnic_sysfs_write_crb, | |
3430 | }; | |
3431 | ||
3432 | static struct bin_attribute bin_attr_mem = { | |
3433 | .attr = {.name = "mem", .mode = (S_IRUGO | S_IWUSR)}, | |
3434 | .size = 0, | |
3435 | .read = qlcnic_sysfs_read_mem, | |
3436 | .write = qlcnic_sysfs_write_mem, | |
3437 | }; | |
3438 | ||
cea8975e | 3439 | static int |
346fe763 RB |
3440 | validate_pm_config(struct qlcnic_adapter *adapter, |
3441 | struct qlcnic_pm_func_cfg *pm_cfg, int count) | |
3442 | { | |
3443 | ||
3444 | u8 src_pci_func, s_esw_id, d_esw_id; | |
3445 | u8 dest_pci_func; | |
3446 | int i; | |
3447 | ||
3448 | for (i = 0; i < count; i++) { | |
3449 | src_pci_func = pm_cfg[i].pci_func; | |
3450 | dest_pci_func = pm_cfg[i].dest_npar; | |
3451 | if (src_pci_func >= QLCNIC_MAX_PCI_FUNC | |
3452 | || dest_pci_func >= QLCNIC_MAX_PCI_FUNC) | |
3453 | return QL_STATUS_INVALID_PARAM; | |
3454 | ||
3455 | if (adapter->npars[src_pci_func].type != QLCNIC_TYPE_NIC) | |
3456 | return QL_STATUS_INVALID_PARAM; | |
3457 | ||
3458 | if (adapter->npars[dest_pci_func].type != QLCNIC_TYPE_NIC) | |
3459 | return QL_STATUS_INVALID_PARAM; | |
3460 | ||
346fe763 RB |
3461 | s_esw_id = adapter->npars[src_pci_func].phy_port; |
3462 | d_esw_id = adapter->npars[dest_pci_func].phy_port; | |
3463 | ||
3464 | if (s_esw_id != d_esw_id) | |
3465 | return QL_STATUS_INVALID_PARAM; | |
3466 | ||
3467 | } | |
3468 | return 0; | |
3469 | ||
3470 | } | |
3471 | ||
3472 | static ssize_t | |
3473 | qlcnic_sysfs_write_pm_config(struct file *filp, struct kobject *kobj, | |
3474 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
3475 | { | |
3476 | struct device *dev = container_of(kobj, struct device, kobj); | |
3477 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3478 | struct qlcnic_pm_func_cfg *pm_cfg; | |
3479 | u32 id, action, pci_func; | |
3480 | int count, rem, i, ret; | |
3481 | ||
3482 | count = size / sizeof(struct qlcnic_pm_func_cfg); | |
3483 | rem = size % sizeof(struct qlcnic_pm_func_cfg); | |
3484 | if (rem) | |
3485 | return QL_STATUS_INVALID_PARAM; | |
3486 | ||
3487 | pm_cfg = (struct qlcnic_pm_func_cfg *) buf; | |
3488 | ||
3489 | ret = validate_pm_config(adapter, pm_cfg, count); | |
3490 | if (ret) | |
3491 | return ret; | |
3492 | for (i = 0; i < count; i++) { | |
3493 | pci_func = pm_cfg[i].pci_func; | |
4e8acb01 | 3494 | action = !!pm_cfg[i].action; |
346fe763 RB |
3495 | id = adapter->npars[pci_func].phy_port; |
3496 | ret = qlcnic_config_port_mirroring(adapter, id, | |
3497 | action, pci_func); | |
3498 | if (ret) | |
3499 | return ret; | |
3500 | } | |
3501 | ||
3502 | for (i = 0; i < count; i++) { | |
3503 | pci_func = pm_cfg[i].pci_func; | |
3504 | id = adapter->npars[pci_func].phy_port; | |
4e8acb01 | 3505 | adapter->npars[pci_func].enable_pm = !!pm_cfg[i].action; |
346fe763 RB |
3506 | adapter->npars[pci_func].dest_npar = id; |
3507 | } | |
3508 | return size; | |
3509 | } | |
3510 | ||
3511 | static ssize_t | |
3512 | qlcnic_sysfs_read_pm_config(struct file *filp, struct kobject *kobj, | |
3513 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
3514 | { | |
3515 | struct device *dev = container_of(kobj, struct device, kobj); | |
3516 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3517 | struct qlcnic_pm_func_cfg pm_cfg[QLCNIC_MAX_PCI_FUNC]; | |
3518 | int i; | |
3519 | ||
3520 | if (size != sizeof(pm_cfg)) | |
3521 | return QL_STATUS_INVALID_PARAM; | |
3522 | ||
3523 | for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) { | |
3524 | if (adapter->npars[i].type != QLCNIC_TYPE_NIC) | |
3525 | continue; | |
3526 | pm_cfg[i].action = adapter->npars[i].enable_pm; | |
3527 | pm_cfg[i].dest_npar = 0; | |
3528 | pm_cfg[i].pci_func = i; | |
3529 | } | |
3530 | memcpy(buf, &pm_cfg, size); | |
3531 | ||
3532 | return size; | |
3533 | } | |
3534 | ||
cea8975e | 3535 | static int |
346fe763 | 3536 | validate_esw_config(struct qlcnic_adapter *adapter, |
4e8acb01 | 3537 | struct qlcnic_esw_func_cfg *esw_cfg, int count) |
346fe763 | 3538 | { |
7613c87b | 3539 | u32 op_mode; |
346fe763 RB |
3540 | u8 pci_func; |
3541 | int i; | |
7613c87b RB |
3542 | |
3543 | op_mode = readl(adapter->ahw.pci_base0 + QLCNIC_DRV_OP_MODE); | |
3544 | ||
346fe763 RB |
3545 | for (i = 0; i < count; i++) { |
3546 | pci_func = esw_cfg[i].pci_func; | |
3547 | if (pci_func >= QLCNIC_MAX_PCI_FUNC) | |
3548 | return QL_STATUS_INVALID_PARAM; | |
3549 | ||
4e8acb01 RB |
3550 | if (adapter->op_mode == QLCNIC_MGMT_FUNC) |
3551 | if (adapter->npars[pci_func].type != QLCNIC_TYPE_NIC) | |
3552 | return QL_STATUS_INVALID_PARAM; | |
346fe763 | 3553 | |
4e8acb01 RB |
3554 | switch (esw_cfg[i].op_mode) { |
3555 | case QLCNIC_PORT_DEFAULTS: | |
7613c87b | 3556 | if (QLC_DEV_GET_DRV(op_mode, pci_func) != |
7373373d | 3557 | QLCNIC_NON_PRIV_FUNC) { |
7613c87b | 3558 | esw_cfg[i].mac_anti_spoof = 0; |
7373373d RB |
3559 | esw_cfg[i].mac_override = 1; |
3560 | } | |
4e8acb01 RB |
3561 | break; |
3562 | case QLCNIC_ADD_VLAN: | |
346fe763 RB |
3563 | if (!IS_VALID_VLAN(esw_cfg[i].vlan_id)) |
3564 | return QL_STATUS_INVALID_PARAM; | |
4e8acb01 RB |
3565 | if (!esw_cfg[i].op_type) |
3566 | return QL_STATUS_INVALID_PARAM; | |
3567 | break; | |
3568 | case QLCNIC_DEL_VLAN: | |
4e8acb01 RB |
3569 | if (!esw_cfg[i].op_type) |
3570 | return QL_STATUS_INVALID_PARAM; | |
3571 | break; | |
3572 | default: | |
346fe763 | 3573 | return QL_STATUS_INVALID_PARAM; |
4e8acb01 | 3574 | } |
346fe763 | 3575 | } |
346fe763 RB |
3576 | return 0; |
3577 | } | |
3578 | ||
3579 | static ssize_t | |
3580 | qlcnic_sysfs_write_esw_config(struct file *file, struct kobject *kobj, | |
3581 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
3582 | { | |
3583 | struct device *dev = container_of(kobj, struct device, kobj); | |
3584 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3585 | struct qlcnic_esw_func_cfg *esw_cfg; | |
4e8acb01 | 3586 | struct qlcnic_npar_info *npar; |
346fe763 | 3587 | int count, rem, i, ret; |
0325d69b | 3588 | u8 pci_func, op_mode = 0; |
346fe763 RB |
3589 | |
3590 | count = size / sizeof(struct qlcnic_esw_func_cfg); | |
3591 | rem = size % sizeof(struct qlcnic_esw_func_cfg); | |
3592 | if (rem) | |
3593 | return QL_STATUS_INVALID_PARAM; | |
3594 | ||
3595 | esw_cfg = (struct qlcnic_esw_func_cfg *) buf; | |
3596 | ret = validate_esw_config(adapter, esw_cfg, count); | |
3597 | if (ret) | |
3598 | return ret; | |
3599 | ||
3600 | for (i = 0; i < count; i++) { | |
0325d69b RB |
3601 | if (adapter->op_mode == QLCNIC_MGMT_FUNC) |
3602 | if (qlcnic_config_switch_port(adapter, &esw_cfg[i])) | |
3603 | return QL_STATUS_INVALID_PARAM; | |
e9a47700 RB |
3604 | |
3605 | if (adapter->ahw.pci_func != esw_cfg[i].pci_func) | |
3606 | continue; | |
3607 | ||
3608 | op_mode = esw_cfg[i].op_mode; | |
3609 | qlcnic_get_eswitch_port_config(adapter, &esw_cfg[i]); | |
3610 | esw_cfg[i].op_mode = op_mode; | |
3611 | esw_cfg[i].pci_func = adapter->ahw.pci_func; | |
3612 | ||
3613 | switch (esw_cfg[i].op_mode) { | |
3614 | case QLCNIC_PORT_DEFAULTS: | |
3615 | qlcnic_set_eswitch_port_features(adapter, &esw_cfg[i]); | |
3616 | break; | |
8cf61f89 AKS |
3617 | case QLCNIC_ADD_VLAN: |
3618 | qlcnic_set_vlan_config(adapter, &esw_cfg[i]); | |
3619 | break; | |
3620 | case QLCNIC_DEL_VLAN: | |
3621 | esw_cfg[i].vlan_id = 0; | |
3622 | qlcnic_set_vlan_config(adapter, &esw_cfg[i]); | |
3623 | break; | |
0325d69b | 3624 | } |
346fe763 RB |
3625 | } |
3626 | ||
0325d69b RB |
3627 | if (adapter->op_mode != QLCNIC_MGMT_FUNC) |
3628 | goto out; | |
e9a47700 | 3629 | |
346fe763 RB |
3630 | for (i = 0; i < count; i++) { |
3631 | pci_func = esw_cfg[i].pci_func; | |
4e8acb01 RB |
3632 | npar = &adapter->npars[pci_func]; |
3633 | switch (esw_cfg[i].op_mode) { | |
3634 | case QLCNIC_PORT_DEFAULTS: | |
3635 | npar->promisc_mode = esw_cfg[i].promisc_mode; | |
7373373d | 3636 | npar->mac_override = esw_cfg[i].mac_override; |
4e8acb01 RB |
3637 | npar->offload_flags = esw_cfg[i].offload_flags; |
3638 | npar->mac_anti_spoof = esw_cfg[i].mac_anti_spoof; | |
3639 | npar->discard_tagged = esw_cfg[i].discard_tagged; | |
3640 | break; | |
3641 | case QLCNIC_ADD_VLAN: | |
3642 | npar->pvid = esw_cfg[i].vlan_id; | |
3643 | break; | |
3644 | case QLCNIC_DEL_VLAN: | |
3645 | npar->pvid = 0; | |
3646 | break; | |
3647 | } | |
346fe763 | 3648 | } |
0325d69b | 3649 | out: |
346fe763 RB |
3650 | return size; |
3651 | } | |
3652 | ||
3653 | static ssize_t | |
3654 | qlcnic_sysfs_read_esw_config(struct file *file, struct kobject *kobj, | |
3655 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
3656 | { | |
3657 | struct device *dev = container_of(kobj, struct device, kobj); | |
3658 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3659 | struct qlcnic_esw_func_cfg esw_cfg[QLCNIC_MAX_PCI_FUNC]; | |
4e8acb01 | 3660 | u8 i; |
346fe763 RB |
3661 | |
3662 | if (size != sizeof(esw_cfg)) | |
3663 | return QL_STATUS_INVALID_PARAM; | |
3664 | ||
3665 | for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) { | |
3666 | if (adapter->npars[i].type != QLCNIC_TYPE_NIC) | |
3667 | continue; | |
4e8acb01 RB |
3668 | esw_cfg[i].pci_func = i; |
3669 | if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg[i])) | |
3670 | return QL_STATUS_INVALID_PARAM; | |
346fe763 RB |
3671 | } |
3672 | memcpy(buf, &esw_cfg, size); | |
3673 | ||
3674 | return size; | |
3675 | } | |
3676 | ||
cea8975e | 3677 | static int |
346fe763 RB |
3678 | validate_npar_config(struct qlcnic_adapter *adapter, |
3679 | struct qlcnic_npar_func_cfg *np_cfg, int count) | |
3680 | { | |
3681 | u8 pci_func, i; | |
3682 | ||
3683 | for (i = 0; i < count; i++) { | |
3684 | pci_func = np_cfg[i].pci_func; | |
3685 | if (pci_func >= QLCNIC_MAX_PCI_FUNC) | |
3686 | return QL_STATUS_INVALID_PARAM; | |
3687 | ||
3688 | if (adapter->npars[pci_func].type != QLCNIC_TYPE_NIC) | |
3689 | return QL_STATUS_INVALID_PARAM; | |
3690 | ||
3691 | if (!IS_VALID_BW(np_cfg[i].min_bw) | |
3692 | || !IS_VALID_BW(np_cfg[i].max_bw) | |
3693 | || !IS_VALID_RX_QUEUES(np_cfg[i].max_rx_queues) | |
3694 | || !IS_VALID_TX_QUEUES(np_cfg[i].max_tx_queues)) | |
3695 | return QL_STATUS_INVALID_PARAM; | |
3696 | } | |
3697 | return 0; | |
3698 | } | |
3699 | ||
3700 | static ssize_t | |
3701 | qlcnic_sysfs_write_npar_config(struct file *file, struct kobject *kobj, | |
3702 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
3703 | { | |
3704 | struct device *dev = container_of(kobj, struct device, kobj); | |
3705 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3706 | struct qlcnic_info nic_info; | |
3707 | struct qlcnic_npar_func_cfg *np_cfg; | |
3708 | int i, count, rem, ret; | |
3709 | u8 pci_func; | |
3710 | ||
3711 | count = size / sizeof(struct qlcnic_npar_func_cfg); | |
3712 | rem = size % sizeof(struct qlcnic_npar_func_cfg); | |
3713 | if (rem) | |
3714 | return QL_STATUS_INVALID_PARAM; | |
3715 | ||
3716 | np_cfg = (struct qlcnic_npar_func_cfg *) buf; | |
3717 | ret = validate_npar_config(adapter, np_cfg, count); | |
3718 | if (ret) | |
3719 | return ret; | |
3720 | ||
3721 | for (i = 0; i < count ; i++) { | |
3722 | pci_func = np_cfg[i].pci_func; | |
3723 | ret = qlcnic_get_nic_info(adapter, &nic_info, pci_func); | |
3724 | if (ret) | |
3725 | return ret; | |
3726 | nic_info.pci_func = pci_func; | |
3727 | nic_info.min_tx_bw = np_cfg[i].min_bw; | |
3728 | nic_info.max_tx_bw = np_cfg[i].max_bw; | |
3729 | ret = qlcnic_set_nic_info(adapter, &nic_info); | |
3730 | if (ret) | |
3731 | return ret; | |
cea8975e AC |
3732 | adapter->npars[i].min_bw = nic_info.min_tx_bw; |
3733 | adapter->npars[i].max_bw = nic_info.max_tx_bw; | |
346fe763 RB |
3734 | } |
3735 | ||
3736 | return size; | |
3737 | ||
3738 | } | |
3739 | static ssize_t | |
3740 | qlcnic_sysfs_read_npar_config(struct file *file, struct kobject *kobj, | |
3741 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
3742 | { | |
3743 | struct device *dev = container_of(kobj, struct device, kobj); | |
3744 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3745 | struct qlcnic_info nic_info; | |
3746 | struct qlcnic_npar_func_cfg np_cfg[QLCNIC_MAX_PCI_FUNC]; | |
3747 | int i, ret; | |
3748 | ||
3749 | if (size != sizeof(np_cfg)) | |
3750 | return QL_STATUS_INVALID_PARAM; | |
3751 | ||
3752 | for (i = 0; i < QLCNIC_MAX_PCI_FUNC ; i++) { | |
3753 | if (adapter->npars[i].type != QLCNIC_TYPE_NIC) | |
3754 | continue; | |
3755 | ret = qlcnic_get_nic_info(adapter, &nic_info, i); | |
3756 | if (ret) | |
3757 | return ret; | |
3758 | ||
3759 | np_cfg[i].pci_func = i; | |
3760 | np_cfg[i].op_mode = nic_info.op_mode; | |
3761 | np_cfg[i].port_num = nic_info.phys_port; | |
3762 | np_cfg[i].fw_capab = nic_info.capabilities; | |
3763 | np_cfg[i].min_bw = nic_info.min_tx_bw ; | |
3764 | np_cfg[i].max_bw = nic_info.max_tx_bw; | |
3765 | np_cfg[i].max_tx_queues = nic_info.max_tx_ques; | |
3766 | np_cfg[i].max_rx_queues = nic_info.max_rx_ques; | |
3767 | } | |
3768 | memcpy(buf, &np_cfg, size); | |
3769 | return size; | |
3770 | } | |
3771 | ||
b6021212 AKS |
3772 | static ssize_t |
3773 | qlcnic_sysfs_get_port_stats(struct file *file, struct kobject *kobj, | |
3774 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
3775 | { | |
3776 | struct device *dev = container_of(kobj, struct device, kobj); | |
3777 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3778 | struct qlcnic_esw_statistics port_stats; | |
3779 | int ret; | |
3780 | ||
3781 | if (size != sizeof(struct qlcnic_esw_statistics)) | |
3782 | return QL_STATUS_INVALID_PARAM; | |
3783 | ||
3784 | if (offset >= QLCNIC_MAX_PCI_FUNC) | |
3785 | return QL_STATUS_INVALID_PARAM; | |
3786 | ||
3787 | memset(&port_stats, 0, size); | |
3788 | ret = qlcnic_get_port_stats(adapter, offset, QLCNIC_QUERY_RX_COUNTER, | |
3789 | &port_stats.rx); | |
3790 | if (ret) | |
3791 | return ret; | |
3792 | ||
3793 | ret = qlcnic_get_port_stats(adapter, offset, QLCNIC_QUERY_TX_COUNTER, | |
3794 | &port_stats.tx); | |
3795 | if (ret) | |
3796 | return ret; | |
3797 | ||
3798 | memcpy(buf, &port_stats, size); | |
3799 | return size; | |
3800 | } | |
3801 | ||
3802 | static ssize_t | |
3803 | qlcnic_sysfs_get_esw_stats(struct file *file, struct kobject *kobj, | |
3804 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
3805 | { | |
3806 | struct device *dev = container_of(kobj, struct device, kobj); | |
3807 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3808 | struct qlcnic_esw_statistics esw_stats; | |
3809 | int ret; | |
3810 | ||
3811 | if (size != sizeof(struct qlcnic_esw_statistics)) | |
3812 | return QL_STATUS_INVALID_PARAM; | |
3813 | ||
3814 | if (offset >= QLCNIC_NIU_MAX_XG_PORTS) | |
3815 | return QL_STATUS_INVALID_PARAM; | |
3816 | ||
3817 | memset(&esw_stats, 0, size); | |
3818 | ret = qlcnic_get_eswitch_stats(adapter, offset, QLCNIC_QUERY_RX_COUNTER, | |
3819 | &esw_stats.rx); | |
3820 | if (ret) | |
3821 | return ret; | |
3822 | ||
3823 | ret = qlcnic_get_eswitch_stats(adapter, offset, QLCNIC_QUERY_TX_COUNTER, | |
3824 | &esw_stats.tx); | |
3825 | if (ret) | |
3826 | return ret; | |
3827 | ||
3828 | memcpy(buf, &esw_stats, size); | |
3829 | return size; | |
3830 | } | |
3831 | ||
3832 | static ssize_t | |
3833 | qlcnic_sysfs_clear_esw_stats(struct file *file, struct kobject *kobj, | |
3834 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
3835 | { | |
3836 | struct device *dev = container_of(kobj, struct device, kobj); | |
3837 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3838 | int ret; | |
3839 | ||
3840 | if (offset >= QLCNIC_NIU_MAX_XG_PORTS) | |
3841 | return QL_STATUS_INVALID_PARAM; | |
3842 | ||
3843 | ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_ESWITCH, offset, | |
3844 | QLCNIC_QUERY_RX_COUNTER); | |
3845 | if (ret) | |
3846 | return ret; | |
3847 | ||
3848 | ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_ESWITCH, offset, | |
3849 | QLCNIC_QUERY_TX_COUNTER); | |
3850 | if (ret) | |
3851 | return ret; | |
3852 | ||
3853 | return size; | |
3854 | } | |
3855 | ||
3856 | static ssize_t | |
3857 | qlcnic_sysfs_clear_port_stats(struct file *file, struct kobject *kobj, | |
3858 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
3859 | { | |
3860 | ||
3861 | struct device *dev = container_of(kobj, struct device, kobj); | |
3862 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3863 | int ret; | |
3864 | ||
3865 | if (offset >= QLCNIC_MAX_PCI_FUNC) | |
3866 | return QL_STATUS_INVALID_PARAM; | |
3867 | ||
3868 | ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_PORT, offset, | |
3869 | QLCNIC_QUERY_RX_COUNTER); | |
3870 | if (ret) | |
3871 | return ret; | |
3872 | ||
3873 | ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_PORT, offset, | |
3874 | QLCNIC_QUERY_TX_COUNTER); | |
3875 | if (ret) | |
3876 | return ret; | |
3877 | ||
3878 | return size; | |
3879 | } | |
3880 | ||
346fe763 RB |
3881 | static ssize_t |
3882 | qlcnic_sysfs_read_pci_config(struct file *file, struct kobject *kobj, | |
3883 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
3884 | { | |
3885 | struct device *dev = container_of(kobj, struct device, kobj); | |
3886 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3887 | struct qlcnic_pci_func_cfg pci_cfg[QLCNIC_MAX_PCI_FUNC]; | |
e88db3bd | 3888 | struct qlcnic_pci_info *pci_info; |
346fe763 RB |
3889 | int i, ret; |
3890 | ||
3891 | if (size != sizeof(pci_cfg)) | |
3892 | return QL_STATUS_INVALID_PARAM; | |
3893 | ||
e88db3bd DC |
3894 | pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL); |
3895 | if (!pci_info) | |
3896 | return -ENOMEM; | |
3897 | ||
346fe763 | 3898 | ret = qlcnic_get_pci_info(adapter, pci_info); |
e88db3bd DC |
3899 | if (ret) { |
3900 | kfree(pci_info); | |
346fe763 | 3901 | return ret; |
e88db3bd | 3902 | } |
346fe763 RB |
3903 | |
3904 | for (i = 0; i < QLCNIC_MAX_PCI_FUNC ; i++) { | |
3905 | pci_cfg[i].pci_func = pci_info[i].id; | |
3906 | pci_cfg[i].func_type = pci_info[i].type; | |
3907 | pci_cfg[i].port_num = pci_info[i].default_port; | |
3908 | pci_cfg[i].min_bw = pci_info[i].tx_min_bw; | |
3909 | pci_cfg[i].max_bw = pci_info[i].tx_max_bw; | |
3910 | memcpy(&pci_cfg[i].def_mac_addr, &pci_info[i].mac, ETH_ALEN); | |
3911 | } | |
3912 | memcpy(buf, &pci_cfg, size); | |
e88db3bd | 3913 | kfree(pci_info); |
346fe763 | 3914 | return size; |
346fe763 RB |
3915 | } |
3916 | static struct bin_attribute bin_attr_npar_config = { | |
3917 | .attr = {.name = "npar_config", .mode = (S_IRUGO | S_IWUSR)}, | |
3918 | .size = 0, | |
3919 | .read = qlcnic_sysfs_read_npar_config, | |
3920 | .write = qlcnic_sysfs_write_npar_config, | |
3921 | }; | |
3922 | ||
3923 | static struct bin_attribute bin_attr_pci_config = { | |
3924 | .attr = {.name = "pci_config", .mode = (S_IRUGO | S_IWUSR)}, | |
3925 | .size = 0, | |
3926 | .read = qlcnic_sysfs_read_pci_config, | |
3927 | .write = NULL, | |
3928 | }; | |
3929 | ||
b6021212 AKS |
3930 | static struct bin_attribute bin_attr_port_stats = { |
3931 | .attr = {.name = "port_stats", .mode = (S_IRUGO | S_IWUSR)}, | |
3932 | .size = 0, | |
3933 | .read = qlcnic_sysfs_get_port_stats, | |
3934 | .write = qlcnic_sysfs_clear_port_stats, | |
3935 | }; | |
3936 | ||
3937 | static struct bin_attribute bin_attr_esw_stats = { | |
3938 | .attr = {.name = "esw_stats", .mode = (S_IRUGO | S_IWUSR)}, | |
3939 | .size = 0, | |
3940 | .read = qlcnic_sysfs_get_esw_stats, | |
3941 | .write = qlcnic_sysfs_clear_esw_stats, | |
3942 | }; | |
3943 | ||
346fe763 RB |
3944 | static struct bin_attribute bin_attr_esw_config = { |
3945 | .attr = {.name = "esw_config", .mode = (S_IRUGO | S_IWUSR)}, | |
3946 | .size = 0, | |
3947 | .read = qlcnic_sysfs_read_esw_config, | |
3948 | .write = qlcnic_sysfs_write_esw_config, | |
3949 | }; | |
3950 | ||
3951 | static struct bin_attribute bin_attr_pm_config = { | |
3952 | .attr = {.name = "pm_config", .mode = (S_IRUGO | S_IWUSR)}, | |
3953 | .size = 0, | |
3954 | .read = qlcnic_sysfs_read_pm_config, | |
3955 | .write = qlcnic_sysfs_write_pm_config, | |
3956 | }; | |
3957 | ||
af19b491 AKS |
3958 | static void |
3959 | qlcnic_create_sysfs_entries(struct qlcnic_adapter *adapter) | |
3960 | { | |
3961 | struct device *dev = &adapter->pdev->dev; | |
3962 | ||
3963 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG) | |
3964 | if (device_create_file(dev, &dev_attr_bridged_mode)) | |
3965 | dev_warn(dev, | |
3966 | "failed to create bridged_mode sysfs entry\n"); | |
3967 | } | |
3968 | ||
3969 | static void | |
3970 | qlcnic_remove_sysfs_entries(struct qlcnic_adapter *adapter) | |
3971 | { | |
3972 | struct device *dev = &adapter->pdev->dev; | |
3973 | ||
3974 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG) | |
3975 | device_remove_file(dev, &dev_attr_bridged_mode); | |
3976 | } | |
3977 | ||
3978 | static void | |
3979 | qlcnic_create_diag_entries(struct qlcnic_adapter *adapter) | |
3980 | { | |
3981 | struct device *dev = &adapter->pdev->dev; | |
3982 | ||
b6021212 AKS |
3983 | if (device_create_bin_file(dev, &bin_attr_port_stats)) |
3984 | dev_info(dev, "failed to create port stats sysfs entry"); | |
3985 | ||
132ff00a AC |
3986 | if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC) |
3987 | return; | |
af19b491 AKS |
3988 | if (device_create_file(dev, &dev_attr_diag_mode)) |
3989 | dev_info(dev, "failed to create diag_mode sysfs entry\n"); | |
3990 | if (device_create_bin_file(dev, &bin_attr_crb)) | |
3991 | dev_info(dev, "failed to create crb sysfs entry\n"); | |
3992 | if (device_create_bin_file(dev, &bin_attr_mem)) | |
3993 | dev_info(dev, "failed to create mem sysfs entry\n"); | |
4e8acb01 RB |
3994 | if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) |
3995 | return; | |
3996 | if (device_create_bin_file(dev, &bin_attr_esw_config)) | |
3997 | dev_info(dev, "failed to create esw config sysfs entry"); | |
3998 | if (adapter->op_mode != QLCNIC_MGMT_FUNC) | |
346fe763 RB |
3999 | return; |
4000 | if (device_create_bin_file(dev, &bin_attr_pci_config)) | |
4001 | dev_info(dev, "failed to create pci config sysfs entry"); | |
4002 | if (device_create_bin_file(dev, &bin_attr_npar_config)) | |
4003 | dev_info(dev, "failed to create npar config sysfs entry"); | |
346fe763 RB |
4004 | if (device_create_bin_file(dev, &bin_attr_pm_config)) |
4005 | dev_info(dev, "failed to create pm config sysfs entry"); | |
b6021212 AKS |
4006 | if (device_create_bin_file(dev, &bin_attr_esw_stats)) |
4007 | dev_info(dev, "failed to create eswitch stats sysfs entry"); | |
af19b491 AKS |
4008 | } |
4009 | ||
af19b491 AKS |
4010 | static void |
4011 | qlcnic_remove_diag_entries(struct qlcnic_adapter *adapter) | |
4012 | { | |
4013 | struct device *dev = &adapter->pdev->dev; | |
4014 | ||
b6021212 AKS |
4015 | device_remove_bin_file(dev, &bin_attr_port_stats); |
4016 | ||
132ff00a AC |
4017 | if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC) |
4018 | return; | |
af19b491 AKS |
4019 | device_remove_file(dev, &dev_attr_diag_mode); |
4020 | device_remove_bin_file(dev, &bin_attr_crb); | |
4021 | device_remove_bin_file(dev, &bin_attr_mem); | |
4e8acb01 RB |
4022 | if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) |
4023 | return; | |
4024 | device_remove_bin_file(dev, &bin_attr_esw_config); | |
4025 | if (adapter->op_mode != QLCNIC_MGMT_FUNC) | |
346fe763 RB |
4026 | return; |
4027 | device_remove_bin_file(dev, &bin_attr_pci_config); | |
4028 | device_remove_bin_file(dev, &bin_attr_npar_config); | |
346fe763 | 4029 | device_remove_bin_file(dev, &bin_attr_pm_config); |
b6021212 | 4030 | device_remove_bin_file(dev, &bin_attr_esw_stats); |
af19b491 AKS |
4031 | } |
4032 | ||
4033 | #ifdef CONFIG_INET | |
4034 | ||
4035 | #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops) | |
4036 | ||
af19b491 | 4037 | static void |
aec1e845 AKS |
4038 | qlcnic_config_indev_addr(struct qlcnic_adapter *adapter, |
4039 | struct net_device *dev, unsigned long event) | |
af19b491 AKS |
4040 | { |
4041 | struct in_device *indev; | |
af19b491 | 4042 | |
af19b491 AKS |
4043 | indev = in_dev_get(dev); |
4044 | if (!indev) | |
4045 | return; | |
4046 | ||
4047 | for_ifa(indev) { | |
4048 | switch (event) { | |
4049 | case NETDEV_UP: | |
4050 | qlcnic_config_ipaddr(adapter, | |
4051 | ifa->ifa_address, QLCNIC_IP_UP); | |
4052 | break; | |
4053 | case NETDEV_DOWN: | |
4054 | qlcnic_config_ipaddr(adapter, | |
4055 | ifa->ifa_address, QLCNIC_IP_DOWN); | |
4056 | break; | |
4057 | default: | |
4058 | break; | |
4059 | } | |
4060 | } endfor_ifa(indev); | |
4061 | ||
4062 | in_dev_put(indev); | |
af19b491 AKS |
4063 | } |
4064 | ||
aec1e845 AKS |
4065 | static void |
4066 | qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event) | |
4067 | { | |
4068 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
4069 | struct net_device *dev; | |
4070 | u16 vid; | |
4071 | ||
4072 | qlcnic_config_indev_addr(adapter, netdev, event); | |
4073 | ||
4074 | if (!adapter->vlgrp) | |
4075 | return; | |
4076 | ||
4077 | for (vid = 0; vid < VLAN_GROUP_ARRAY_LEN; vid++) { | |
4078 | dev = vlan_group_get_device(adapter->vlgrp, vid); | |
4079 | if (!dev) | |
4080 | continue; | |
4081 | ||
4082 | qlcnic_config_indev_addr(adapter, dev, event); | |
4083 | } | |
4084 | } | |
4085 | ||
af19b491 AKS |
4086 | static int qlcnic_netdev_event(struct notifier_block *this, |
4087 | unsigned long event, void *ptr) | |
4088 | { | |
4089 | struct qlcnic_adapter *adapter; | |
4090 | struct net_device *dev = (struct net_device *)ptr; | |
4091 | ||
4092 | recheck: | |
4093 | if (dev == NULL) | |
4094 | goto done; | |
4095 | ||
4096 | if (dev->priv_flags & IFF_802_1Q_VLAN) { | |
4097 | dev = vlan_dev_real_dev(dev); | |
4098 | goto recheck; | |
4099 | } | |
4100 | ||
4101 | if (!is_qlcnic_netdev(dev)) | |
4102 | goto done; | |
4103 | ||
4104 | adapter = netdev_priv(dev); | |
4105 | ||
4106 | if (!adapter) | |
4107 | goto done; | |
4108 | ||
8a15ad1f | 4109 | if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) |
af19b491 AKS |
4110 | goto done; |
4111 | ||
aec1e845 | 4112 | qlcnic_config_indev_addr(adapter, dev, event); |
af19b491 AKS |
4113 | done: |
4114 | return NOTIFY_DONE; | |
4115 | } | |
4116 | ||
4117 | static int | |
4118 | qlcnic_inetaddr_event(struct notifier_block *this, | |
4119 | unsigned long event, void *ptr) | |
4120 | { | |
4121 | struct qlcnic_adapter *adapter; | |
4122 | struct net_device *dev; | |
4123 | ||
4124 | struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; | |
4125 | ||
4126 | dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; | |
4127 | ||
4128 | recheck: | |
aec1e845 | 4129 | if (dev == NULL) |
af19b491 AKS |
4130 | goto done; |
4131 | ||
4132 | if (dev->priv_flags & IFF_802_1Q_VLAN) { | |
4133 | dev = vlan_dev_real_dev(dev); | |
4134 | goto recheck; | |
4135 | } | |
4136 | ||
4137 | if (!is_qlcnic_netdev(dev)) | |
4138 | goto done; | |
4139 | ||
4140 | adapter = netdev_priv(dev); | |
4141 | ||
251a84c9 | 4142 | if (!adapter) |
af19b491 AKS |
4143 | goto done; |
4144 | ||
8a15ad1f | 4145 | if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) |
af19b491 AKS |
4146 | goto done; |
4147 | ||
4148 | switch (event) { | |
4149 | case NETDEV_UP: | |
4150 | qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP); | |
4151 | break; | |
4152 | case NETDEV_DOWN: | |
4153 | qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN); | |
4154 | break; | |
4155 | default: | |
4156 | break; | |
4157 | } | |
4158 | ||
4159 | done: | |
4160 | return NOTIFY_DONE; | |
4161 | } | |
4162 | ||
4163 | static struct notifier_block qlcnic_netdev_cb = { | |
4164 | .notifier_call = qlcnic_netdev_event, | |
4165 | }; | |
4166 | ||
4167 | static struct notifier_block qlcnic_inetaddr_cb = { | |
4168 | .notifier_call = qlcnic_inetaddr_event, | |
4169 | }; | |
4170 | #else | |
4171 | static void | |
aec1e845 | 4172 | qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event) |
af19b491 AKS |
4173 | { } |
4174 | #endif | |
451724c8 SC |
4175 | static struct pci_error_handlers qlcnic_err_handler = { |
4176 | .error_detected = qlcnic_io_error_detected, | |
4177 | .slot_reset = qlcnic_io_slot_reset, | |
4178 | .resume = qlcnic_io_resume, | |
4179 | }; | |
af19b491 AKS |
4180 | |
4181 | static struct pci_driver qlcnic_driver = { | |
4182 | .name = qlcnic_driver_name, | |
4183 | .id_table = qlcnic_pci_tbl, | |
4184 | .probe = qlcnic_probe, | |
4185 | .remove = __devexit_p(qlcnic_remove), | |
4186 | #ifdef CONFIG_PM | |
4187 | .suspend = qlcnic_suspend, | |
4188 | .resume = qlcnic_resume, | |
4189 | #endif | |
451724c8 SC |
4190 | .shutdown = qlcnic_shutdown, |
4191 | .err_handler = &qlcnic_err_handler | |
4192 | ||
af19b491 AKS |
4193 | }; |
4194 | ||
4195 | static int __init qlcnic_init_module(void) | |
4196 | { | |
0cf3a14c | 4197 | int ret; |
af19b491 AKS |
4198 | |
4199 | printk(KERN_INFO "%s\n", qlcnic_driver_string); | |
4200 | ||
4201 | #ifdef CONFIG_INET | |
4202 | register_netdevice_notifier(&qlcnic_netdev_cb); | |
4203 | register_inetaddr_notifier(&qlcnic_inetaddr_cb); | |
4204 | #endif | |
4205 | ||
0cf3a14c AKS |
4206 | ret = pci_register_driver(&qlcnic_driver); |
4207 | if (ret) { | |
4208 | #ifdef CONFIG_INET | |
4209 | unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); | |
4210 | unregister_netdevice_notifier(&qlcnic_netdev_cb); | |
4211 | #endif | |
4212 | } | |
af19b491 | 4213 | |
0cf3a14c | 4214 | return ret; |
af19b491 AKS |
4215 | } |
4216 | ||
4217 | module_init(qlcnic_init_module); | |
4218 | ||
4219 | static void __exit qlcnic_exit_module(void) | |
4220 | { | |
4221 | ||
4222 | pci_unregister_driver(&qlcnic_driver); | |
4223 | ||
4224 | #ifdef CONFIG_INET | |
4225 | unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); | |
4226 | unregister_netdevice_notifier(&qlcnic_netdev_cb); | |
4227 | #endif | |
4228 | } | |
4229 | ||
4230 | module_exit(qlcnic_exit_module); |