Commit | Line | Data |
---|---|---|
02feda17 RB |
1 | /* |
2 | * QLogic qlcnic NIC Driver | |
3 | * Copyright (c) 2009-2013 QLogic Corporation | |
4 | * | |
5 | * See LICENSE.qlcnic for copyright and licensing details. | |
6 | */ | |
7 | ||
a930a463 HP |
8 | #include <linux/types.h> |
9 | ||
02feda17 RB |
10 | #include "qlcnic_sriov.h" |
11 | #include "qlcnic.h" | |
f8468331 | 12 | #include "qlcnic_83xx_hw.h" |
02feda17 | 13 | |
f197a7aa RB |
14 | #define QLC_BC_COMMAND 0 |
15 | #define QLC_BC_RESPONSE 1 | |
16 | ||
17 | #define QLC_MBOX_RESP_TIMEOUT (10 * HZ) | |
18 | #define QLC_MBOX_CH_FREE_TIMEOUT (10 * HZ) | |
19 | ||
20 | #define QLC_BC_MSG 0 | |
21 | #define QLC_BC_CFREE 1 | |
97d8105c | 22 | #define QLC_BC_FLR 2 |
f197a7aa RB |
23 | #define QLC_BC_HDR_SZ 16 |
24 | #define QLC_BC_PAYLOAD_SZ (1024 - QLC_BC_HDR_SZ) | |
25 | ||
7cb03b23 RB |
26 | #define QLC_DEFAULT_RCV_DESCRIPTORS_SRIOV_VF 2048 |
27 | #define QLC_DEFAULT_JUMBO_RCV_DESCRIPTORS_SRIOV_VF 512 | |
28 | ||
f036e4f4 RB |
29 | #define QLC_83XX_VF_RESET_FAIL_THRESH 8 |
30 | #define QLC_BC_CMD_MAX_RETRY_CNT 5 | |
31 | ||
2b10d3ec | 32 | static void qlcnic_sriov_handle_async_issue_cmd(struct work_struct *work); |
91b7282b RB |
33 | static void qlcnic_sriov_vf_free_mac_list(struct qlcnic_adapter *); |
34 | static int qlcnic_sriov_alloc_bc_mbx_args(struct qlcnic_cmd_args *, u32); | |
f036e4f4 RB |
35 | static void qlcnic_sriov_vf_poll_dev_state(struct work_struct *); |
36 | static void qlcnic_sriov_vf_cancel_fw_work(struct qlcnic_adapter *); | |
97d8105c | 37 | static void qlcnic_sriov_cleanup_transaction(struct qlcnic_bc_trans *); |
e5c4e6c6 | 38 | static int qlcnic_sriov_issue_cmd(struct qlcnic_adapter *, |
f197a7aa | 39 | struct qlcnic_cmd_args *); |
21041400 | 40 | static int qlcnic_sriov_channel_cfg_cmd(struct qlcnic_adapter *, u8); |
1267ff96 | 41 | static void qlcnic_sriov_process_bc_cmd(struct work_struct *); |
21041400 | 42 | static int qlcnic_sriov_vf_shutdown(struct pci_dev *); |
43 | static int qlcnic_sriov_vf_resume(struct qlcnic_adapter *); | |
74b7ba1a RB |
44 | static int qlcnic_sriov_async_issue_cmd(struct qlcnic_adapter *, |
45 | struct qlcnic_cmd_args *); | |
f197a7aa | 46 | |
f8468331 RB |
47 | static struct qlcnic_hardware_ops qlcnic_sriov_vf_hw_ops = { |
48 | .read_crb = qlcnic_83xx_read_crb, | |
49 | .write_crb = qlcnic_83xx_write_crb, | |
50 | .read_reg = qlcnic_83xx_rd_reg_indirect, | |
51 | .write_reg = qlcnic_83xx_wrt_reg_indirect, | |
52 | .get_mac_address = qlcnic_83xx_get_mac_address, | |
53 | .setup_intr = qlcnic_83xx_setup_intr, | |
54 | .alloc_mbx_args = qlcnic_83xx_alloc_mbx_args, | |
e5c4e6c6 | 55 | .mbx_cmd = qlcnic_sriov_issue_cmd, |
f8468331 RB |
56 | .get_func_no = qlcnic_83xx_get_func_no, |
57 | .api_lock = qlcnic_83xx_cam_lock, | |
58 | .api_unlock = qlcnic_83xx_cam_unlock, | |
59 | .process_lb_rcv_ring_diag = qlcnic_83xx_process_rcv_ring_diag, | |
60 | .create_rx_ctx = qlcnic_83xx_create_rx_ctx, | |
61 | .create_tx_ctx = qlcnic_83xx_create_tx_ctx, | |
7cb03b23 RB |
62 | .del_rx_ctx = qlcnic_83xx_del_rx_ctx, |
63 | .del_tx_ctx = qlcnic_83xx_del_tx_ctx, | |
f8468331 RB |
64 | .setup_link_event = qlcnic_83xx_setup_link_event, |
65 | .get_nic_info = qlcnic_83xx_get_nic_info, | |
66 | .get_pci_info = qlcnic_83xx_get_pci_info, | |
67 | .set_nic_info = qlcnic_83xx_set_nic_info, | |
68 | .change_macvlan = qlcnic_83xx_sre_macaddr_change, | |
69 | .napi_enable = qlcnic_83xx_napi_enable, | |
70 | .napi_disable = qlcnic_83xx_napi_disable, | |
71 | .config_intr_coal = qlcnic_83xx_config_intr_coal, | |
72 | .config_rss = qlcnic_83xx_config_rss, | |
73 | .config_hw_lro = qlcnic_83xx_config_hw_lro, | |
74 | .config_promisc_mode = qlcnic_83xx_nic_set_promisc, | |
75 | .change_l2_filter = qlcnic_83xx_change_l2_filter, | |
76 | .get_board_info = qlcnic_83xx_get_port_info, | |
91b7282b | 77 | .free_mac_list = qlcnic_sriov_vf_free_mac_list, |
2cc5752e M |
78 | .enable_sds_intr = qlcnic_83xx_enable_sds_intr, |
79 | .disable_sds_intr = qlcnic_83xx_disable_sds_intr, | |
4bd7ef0b CM |
80 | .encap_rx_offload = qlcnic_83xx_encap_rx_offload, |
81 | .encap_tx_offload = qlcnic_83xx_encap_tx_offload, | |
f8468331 RB |
82 | }; |
83 | ||
84 | static struct qlcnic_nic_template qlcnic_sriov_vf_ops = { | |
85 | .config_bridged_mode = qlcnic_config_bridged_mode, | |
86 | .config_led = qlcnic_config_led, | |
f036e4f4 | 87 | .cancel_idc_work = qlcnic_sriov_vf_cancel_fw_work, |
f8468331 RB |
88 | .napi_add = qlcnic_83xx_napi_add, |
89 | .napi_del = qlcnic_83xx_napi_del, | |
486a5bc7 RB |
90 | .shutdown = qlcnic_sriov_vf_shutdown, |
91 | .resume = qlcnic_sriov_vf_resume, | |
f8468331 RB |
92 | .config_ipaddr = qlcnic_83xx_config_ipaddr, |
93 | .clear_legacy_intr = qlcnic_83xx_clear_legacy_intr, | |
94 | }; | |
95 | ||
f197a7aa RB |
96 | static const struct qlcnic_mailbox_metadata qlcnic_sriov_bc_mbx_tbl[] = { |
97 | {QLCNIC_BC_CMD_CHANNEL_INIT, 2, 2}, | |
98 | {QLCNIC_BC_CMD_CHANNEL_TERM, 2, 2}, | |
91b7282b RB |
99 | {QLCNIC_BC_CMD_GET_ACL, 3, 14}, |
100 | {QLCNIC_BC_CMD_CFG_GUEST_VLAN, 2, 2}, | |
f197a7aa RB |
101 | }; |
102 | ||
103 | static inline bool qlcnic_sriov_bc_msg_check(u32 val) | |
104 | { | |
105 | return (val & (1 << QLC_BC_MSG)) ? true : false; | |
106 | } | |
107 | ||
108 | static inline bool qlcnic_sriov_channel_free_check(u32 val) | |
109 | { | |
110 | return (val & (1 << QLC_BC_CFREE)) ? true : false; | |
111 | } | |
112 | ||
97d8105c RB |
113 | static inline bool qlcnic_sriov_flr_check(u32 val) |
114 | { | |
115 | return (val & (1 << QLC_BC_FLR)) ? true : false; | |
116 | } | |
117 | ||
f197a7aa RB |
118 | static inline u8 qlcnic_sriov_target_func_id(u32 val) |
119 | { | |
120 | return (val >> 4) & 0xff; | |
121 | } | |
122 | ||
123 | static int qlcnic_sriov_virtid_fn(struct qlcnic_adapter *adapter, int vf_id) | |
124 | { | |
125 | struct pci_dev *dev = adapter->pdev; | |
126 | int pos; | |
127 | u16 stride, offset; | |
128 | ||
129 | if (qlcnic_sriov_vf_check(adapter)) | |
130 | return 0; | |
131 | ||
132 | pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_SRIOV); | |
91ec701a PB |
133 | if (!pos) |
134 | return 0; | |
f197a7aa RB |
135 | pci_read_config_word(dev, pos + PCI_SRIOV_VF_OFFSET, &offset); |
136 | pci_read_config_word(dev, pos + PCI_SRIOV_VF_STRIDE, &stride); | |
137 | ||
138 | return (dev->devfn + offset + stride * vf_id) & 0xff; | |
139 | } | |
140 | ||
02feda17 RB |
141 | int qlcnic_sriov_init(struct qlcnic_adapter *adapter, int num_vfs) |
142 | { | |
143 | struct qlcnic_sriov *sriov; | |
f197a7aa RB |
144 | struct qlcnic_back_channel *bc; |
145 | struct workqueue_struct *wq; | |
146 | struct qlcnic_vport *vp; | |
147 | struct qlcnic_vf_info *vf; | |
148 | int err, i; | |
02feda17 RB |
149 | |
150 | if (!qlcnic_sriov_enable_check(adapter)) | |
151 | return -EIO; | |
152 | ||
153 | sriov = kzalloc(sizeof(struct qlcnic_sriov), GFP_KERNEL); | |
154 | if (!sriov) | |
155 | return -ENOMEM; | |
156 | ||
157 | adapter->ahw->sriov = sriov; | |
158 | sriov->num_vfs = num_vfs; | |
f197a7aa RB |
159 | bc = &sriov->bc; |
160 | sriov->vf_info = kzalloc(sizeof(struct qlcnic_vf_info) * | |
161 | num_vfs, GFP_KERNEL); | |
162 | if (!sriov->vf_info) { | |
163 | err = -ENOMEM; | |
164 | goto qlcnic_free_sriov; | |
165 | } | |
166 | ||
167 | wq = create_singlethread_workqueue("bc-trans"); | |
168 | if (wq == NULL) { | |
169 | err = -ENOMEM; | |
170 | dev_err(&adapter->pdev->dev, | |
171 | "Cannot create bc-trans workqueue\n"); | |
172 | goto qlcnic_free_vf_info; | |
173 | } | |
174 | ||
175 | bc->bc_trans_wq = wq; | |
176 | ||
e8b508ef RB |
177 | wq = create_singlethread_workqueue("async"); |
178 | if (wq == NULL) { | |
179 | err = -ENOMEM; | |
180 | dev_err(&adapter->pdev->dev, "Cannot create async workqueue\n"); | |
181 | goto qlcnic_destroy_trans_wq; | |
182 | } | |
183 | ||
184 | bc->bc_async_wq = wq; | |
2b10d3ec MC |
185 | INIT_LIST_HEAD(&bc->async_cmd_list); |
186 | INIT_WORK(&bc->vf_async_work, qlcnic_sriov_handle_async_issue_cmd); | |
187 | spin_lock_init(&bc->queue_lock); | |
188 | bc->adapter = adapter; | |
e8b508ef | 189 | |
f197a7aa RB |
190 | for (i = 0; i < num_vfs; i++) { |
191 | vf = &sriov->vf_info[i]; | |
192 | vf->adapter = adapter; | |
193 | vf->pci_func = qlcnic_sriov_virtid_fn(adapter, i); | |
194 | mutex_init(&vf->send_cmd_lock); | |
74b7ba1a | 195 | spin_lock_init(&vf->vlan_list_lock); |
f197a7aa RB |
196 | INIT_LIST_HEAD(&vf->rcv_act.wait_list); |
197 | INIT_LIST_HEAD(&vf->rcv_pend.wait_list); | |
198 | spin_lock_init(&vf->rcv_act.lock); | |
199 | spin_lock_init(&vf->rcv_pend.lock); | |
200 | init_completion(&vf->ch_free_cmpl); | |
201 | ||
1267ff96 SC |
202 | INIT_WORK(&vf->trans_work, qlcnic_sriov_process_bc_cmd); |
203 | ||
f197a7aa RB |
204 | if (qlcnic_sriov_pf_check(adapter)) { |
205 | vp = kzalloc(sizeof(struct qlcnic_vport), GFP_KERNEL); | |
206 | if (!vp) { | |
207 | err = -ENOMEM; | |
e8b508ef | 208 | goto qlcnic_destroy_async_wq; |
f197a7aa RB |
209 | } |
210 | sriov->vf_info[i].vp = vp; | |
d747c333 | 211 | vp->vlan_mode = QLC_GUEST_VLAN_MODE; |
4000e7a7 | 212 | vp->max_tx_bw = MAX_BW; |
ed616689 | 213 | vp->min_tx_bw = MIN_BW; |
132a3f2b | 214 | vp->spoofchk = false; |
f197a7aa RB |
215 | random_ether_addr(vp->mac); |
216 | dev_info(&adapter->pdev->dev, | |
217 | "MAC Address %pM is configured for VF %d\n", | |
218 | vp->mac, i); | |
219 | } | |
220 | } | |
221 | ||
02feda17 | 222 | return 0; |
f197a7aa | 223 | |
e8b508ef RB |
224 | qlcnic_destroy_async_wq: |
225 | destroy_workqueue(bc->bc_async_wq); | |
226 | ||
f197a7aa RB |
227 | qlcnic_destroy_trans_wq: |
228 | destroy_workqueue(bc->bc_trans_wq); | |
229 | ||
230 | qlcnic_free_vf_info: | |
231 | kfree(sriov->vf_info); | |
232 | ||
233 | qlcnic_free_sriov: | |
234 | kfree(adapter->ahw->sriov); | |
235 | return err; | |
02feda17 RB |
236 | } |
237 | ||
97d8105c RB |
238 | void qlcnic_sriov_cleanup_list(struct qlcnic_trans_list *t_list) |
239 | { | |
240 | struct qlcnic_bc_trans *trans; | |
241 | struct qlcnic_cmd_args cmd; | |
242 | unsigned long flags; | |
243 | ||
244 | spin_lock_irqsave(&t_list->lock, flags); | |
245 | ||
246 | while (!list_empty(&t_list->wait_list)) { | |
247 | trans = list_first_entry(&t_list->wait_list, | |
248 | struct qlcnic_bc_trans, list); | |
249 | list_del(&trans->list); | |
250 | t_list->count--; | |
251 | cmd.req.arg = (u32 *)trans->req_pay; | |
252 | cmd.rsp.arg = (u32 *)trans->rsp_pay; | |
253 | qlcnic_free_mbx_args(&cmd); | |
254 | qlcnic_sriov_cleanup_transaction(trans); | |
255 | } | |
256 | ||
257 | spin_unlock_irqrestore(&t_list->lock, flags); | |
258 | } | |
259 | ||
02feda17 RB |
260 | void __qlcnic_sriov_cleanup(struct qlcnic_adapter *adapter) |
261 | { | |
f197a7aa RB |
262 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
263 | struct qlcnic_back_channel *bc = &sriov->bc; | |
97d8105c | 264 | struct qlcnic_vf_info *vf; |
f197a7aa RB |
265 | int i; |
266 | ||
02feda17 RB |
267 | if (!qlcnic_sriov_enable_check(adapter)) |
268 | return; | |
269 | ||
e8b508ef RB |
270 | qlcnic_sriov_cleanup_async_list(bc); |
271 | destroy_workqueue(bc->bc_async_wq); | |
97d8105c RB |
272 | |
273 | for (i = 0; i < sriov->num_vfs; i++) { | |
274 | vf = &sriov->vf_info[i]; | |
275 | qlcnic_sriov_cleanup_list(&vf->rcv_pend); | |
276 | cancel_work_sync(&vf->trans_work); | |
277 | qlcnic_sriov_cleanup_list(&vf->rcv_act); | |
278 | } | |
279 | ||
f197a7aa RB |
280 | destroy_workqueue(bc->bc_trans_wq); |
281 | ||
282 | for (i = 0; i < sriov->num_vfs; i++) | |
283 | kfree(sriov->vf_info[i].vp); | |
284 | ||
285 | kfree(sriov->vf_info); | |
02feda17 RB |
286 | kfree(adapter->ahw->sriov); |
287 | } | |
288 | ||
f8468331 RB |
289 | static void qlcnic_sriov_vf_cleanup(struct qlcnic_adapter *adapter) |
290 | { | |
f197a7aa RB |
291 | qlcnic_sriov_channel_cfg_cmd(adapter, QLCNIC_BC_CMD_CHANNEL_TERM); |
292 | qlcnic_sriov_cfg_bc_intr(adapter, 0); | |
f8468331 RB |
293 | __qlcnic_sriov_cleanup(adapter); |
294 | } | |
295 | ||
02feda17 RB |
296 | void qlcnic_sriov_cleanup(struct qlcnic_adapter *adapter) |
297 | { | |
6e1f586d | 298 | if (!test_bit(__QLCNIC_SRIOV_ENABLE, &adapter->state)) |
154d0c81 MC |
299 | return; |
300 | ||
301 | qlcnic_sriov_free_vlans(adapter); | |
302 | ||
02feda17 RB |
303 | if (qlcnic_sriov_pf_check(adapter)) |
304 | qlcnic_sriov_pf_cleanup(adapter); | |
f8468331 RB |
305 | |
306 | if (qlcnic_sriov_vf_check(adapter)) | |
307 | qlcnic_sriov_vf_cleanup(adapter); | |
308 | } | |
309 | ||
f197a7aa RB |
310 | static int qlcnic_sriov_post_bc_msg(struct qlcnic_adapter *adapter, u32 *hdr, |
311 | u32 *pay, u8 pci_func, u8 size) | |
312 | { | |
313 | struct qlcnic_hardware_context *ahw = adapter->ahw; | |
068a8d19 MC |
314 | struct qlcnic_mailbox *mbx = ahw->mailbox; |
315 | struct qlcnic_cmd_args cmd; | |
316 | unsigned long timeout; | |
317 | int err; | |
f197a7aa | 318 | |
068a8d19 MC |
319 | memset(&cmd, 0, sizeof(struct qlcnic_cmd_args)); |
320 | cmd.hdr = hdr; | |
321 | cmd.pay = pay; | |
322 | cmd.pay_size = size; | |
323 | cmd.func_num = pci_func; | |
324 | cmd.op_type = QLC_83XX_MBX_POST_BC_OP; | |
325 | cmd.cmd_op = ((struct qlcnic_bc_hdr *)hdr)->cmd_op; | |
326 | ||
327 | err = mbx->ops->enqueue_cmd(adapter, &cmd, &timeout); | |
328 | if (err) { | |
329 | dev_err(&adapter->pdev->dev, | |
330 | "%s: Mailbox not available, cmd_op=0x%x, cmd_type=0x%x, pci_func=0x%x, op_mode=0x%x\n", | |
331 | __func__, cmd.cmd_op, cmd.type, ahw->pci_func, | |
332 | ahw->op_mode); | |
333 | return err; | |
f197a7aa | 334 | } |
f197a7aa | 335 | |
068a8d19 MC |
336 | if (!wait_for_completion_timeout(&cmd.completion, timeout)) { |
337 | dev_err(&adapter->pdev->dev, | |
338 | "%s: Mailbox command timed out, cmd_op=0x%x, cmd_type=0x%x, pci_func=0x%x, op_mode=0x%x\n", | |
339 | __func__, cmd.cmd_op, cmd.type, ahw->pci_func, | |
340 | ahw->op_mode); | |
341 | flush_workqueue(mbx->work_q); | |
f197a7aa RB |
342 | } |
343 | ||
068a8d19 | 344 | return cmd.rsp_opcode; |
f197a7aa RB |
345 | } |
346 | ||
7cb03b23 RB |
347 | static void qlcnic_sriov_vf_cfg_buff_desc(struct qlcnic_adapter *adapter) |
348 | { | |
349 | adapter->num_rxd = QLC_DEFAULT_RCV_DESCRIPTORS_SRIOV_VF; | |
350 | adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G; | |
351 | adapter->num_jumbo_rxd = QLC_DEFAULT_JUMBO_RCV_DESCRIPTORS_SRIOV_VF; | |
352 | adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; | |
353 | adapter->num_txd = MAX_CMD_DESCRIPTORS; | |
354 | adapter->max_rds_rings = MAX_RDS_RINGS; | |
355 | } | |
356 | ||
4000e7a7 RB |
357 | int qlcnic_sriov_get_vf_vport_info(struct qlcnic_adapter *adapter, |
358 | struct qlcnic_info *npar_info, u16 vport_id) | |
359 | { | |
360 | struct device *dev = &adapter->pdev->dev; | |
361 | struct qlcnic_cmd_args cmd; | |
362 | int err; | |
363 | u32 status; | |
364 | ||
365 | err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_NIC_INFO); | |
366 | if (err) | |
367 | return err; | |
368 | ||
369 | cmd.req.arg[1] = vport_id << 16 | 0x1; | |
370 | err = qlcnic_issue_cmd(adapter, &cmd); | |
371 | if (err) { | |
372 | dev_err(&adapter->pdev->dev, | |
373 | "Failed to get vport info, err=%d\n", err); | |
374 | qlcnic_free_mbx_args(&cmd); | |
375 | return err; | |
376 | } | |
377 | ||
378 | status = cmd.rsp.arg[2] & 0xffff; | |
379 | if (status & BIT_0) | |
380 | npar_info->min_tx_bw = MSW(cmd.rsp.arg[2]); | |
381 | if (status & BIT_1) | |
382 | npar_info->max_tx_bw = LSW(cmd.rsp.arg[3]); | |
383 | if (status & BIT_2) | |
384 | npar_info->max_tx_ques = MSW(cmd.rsp.arg[3]); | |
385 | if (status & BIT_3) | |
386 | npar_info->max_tx_mac_filters = LSW(cmd.rsp.arg[4]); | |
387 | if (status & BIT_4) | |
388 | npar_info->max_rx_mcast_mac_filters = MSW(cmd.rsp.arg[4]); | |
389 | if (status & BIT_5) | |
390 | npar_info->max_rx_ucast_mac_filters = LSW(cmd.rsp.arg[5]); | |
391 | if (status & BIT_6) | |
392 | npar_info->max_rx_ip_addr = MSW(cmd.rsp.arg[5]); | |
393 | if (status & BIT_7) | |
394 | npar_info->max_rx_lro_flow = LSW(cmd.rsp.arg[6]); | |
395 | if (status & BIT_8) | |
396 | npar_info->max_rx_status_rings = MSW(cmd.rsp.arg[6]); | |
397 | if (status & BIT_9) | |
398 | npar_info->max_rx_buf_rings = LSW(cmd.rsp.arg[7]); | |
399 | ||
400 | npar_info->max_rx_ques = MSW(cmd.rsp.arg[7]); | |
401 | npar_info->max_tx_vlan_keys = LSW(cmd.rsp.arg[8]); | |
402 | npar_info->max_local_ipv6_addrs = MSW(cmd.rsp.arg[8]); | |
403 | npar_info->max_remote_ipv6_addrs = LSW(cmd.rsp.arg[9]); | |
404 | ||
405 | dev_info(dev, "\n\tmin_tx_bw: %d, max_tx_bw: %d max_tx_ques: %d,\n" | |
406 | "\tmax_tx_mac_filters: %d max_rx_mcast_mac_filters: %d,\n" | |
407 | "\tmax_rx_ucast_mac_filters: 0x%x, max_rx_ip_addr: %d,\n" | |
408 | "\tmax_rx_lro_flow: %d max_rx_status_rings: %d,\n" | |
409 | "\tmax_rx_buf_rings: %d, max_rx_ques: %d, max_tx_vlan_keys %d\n" | |
410 | "\tlocal_ipv6_addr: %d, remote_ipv6_addr: %d\n", | |
411 | npar_info->min_tx_bw, npar_info->max_tx_bw, | |
412 | npar_info->max_tx_ques, npar_info->max_tx_mac_filters, | |
413 | npar_info->max_rx_mcast_mac_filters, | |
414 | npar_info->max_rx_ucast_mac_filters, npar_info->max_rx_ip_addr, | |
415 | npar_info->max_rx_lro_flow, npar_info->max_rx_status_rings, | |
416 | npar_info->max_rx_buf_rings, npar_info->max_rx_ques, | |
417 | npar_info->max_tx_vlan_keys, npar_info->max_local_ipv6_addrs, | |
418 | npar_info->max_remote_ipv6_addrs); | |
419 | ||
420 | qlcnic_free_mbx_args(&cmd); | |
421 | return err; | |
422 | } | |
423 | ||
91b7282b | 424 | static int qlcnic_sriov_set_pvid_mode(struct qlcnic_adapter *adapter, |
991ca269 | 425 | struct qlcnic_cmd_args *cmd) |
91b7282b | 426 | { |
991ca269 MC |
427 | adapter->rx_pvid = MSW(cmd->rsp.arg[1]) & 0xffff; |
428 | adapter->flags &= ~QLCNIC_TAGGING_ENABLED; | |
91b7282b RB |
429 | return 0; |
430 | } | |
431 | ||
432 | static int qlcnic_sriov_set_guest_vlan_mode(struct qlcnic_adapter *adapter, | |
433 | struct qlcnic_cmd_args *cmd) | |
434 | { | |
435 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; | |
436 | int i, num_vlans; | |
437 | u16 *vlans; | |
438 | ||
439 | if (sriov->allowed_vlans) | |
440 | return 0; | |
441 | ||
442 | sriov->any_vlan = cmd->rsp.arg[2] & 0xf; | |
154d0c81 MC |
443 | sriov->num_allowed_vlans = cmd->rsp.arg[2] >> 16; |
444 | dev_info(&adapter->pdev->dev, "Number of allowed Guest VLANs = %d\n", | |
445 | sriov->num_allowed_vlans); | |
446 | ||
447 | qlcnic_sriov_alloc_vlans(adapter); | |
448 | ||
91b7282b RB |
449 | if (!sriov->any_vlan) |
450 | return 0; | |
451 | ||
91b7282b RB |
452 | num_vlans = sriov->num_allowed_vlans; |
453 | sriov->allowed_vlans = kzalloc(sizeof(u16) * num_vlans, GFP_KERNEL); | |
454 | if (!sriov->allowed_vlans) | |
455 | return -ENOMEM; | |
456 | ||
457 | vlans = (u16 *)&cmd->rsp.arg[3]; | |
458 | for (i = 0; i < num_vlans; i++) | |
459 | sriov->allowed_vlans[i] = vlans[i]; | |
460 | ||
461 | return 0; | |
462 | } | |
463 | ||
bcf6cb1a | 464 | static int qlcnic_sriov_get_vf_acl(struct qlcnic_adapter *adapter) |
91b7282b RB |
465 | { |
466 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; | |
467 | struct qlcnic_cmd_args cmd; | |
991ca269 | 468 | int ret = 0; |
91b7282b | 469 | |
c5316920 | 470 | memset(&cmd, 0, sizeof(cmd)); |
91b7282b RB |
471 | ret = qlcnic_sriov_alloc_bc_mbx_args(&cmd, QLCNIC_BC_CMD_GET_ACL); |
472 | if (ret) | |
473 | return ret; | |
474 | ||
475 | ret = qlcnic_issue_cmd(adapter, &cmd); | |
476 | if (ret) { | |
477 | dev_err(&adapter->pdev->dev, "Failed to get ACL, err=%d\n", | |
478 | ret); | |
479 | } else { | |
480 | sriov->vlan_mode = cmd.rsp.arg[1] & 0x3; | |
481 | switch (sriov->vlan_mode) { | |
482 | case QLC_GUEST_VLAN_MODE: | |
483 | ret = qlcnic_sriov_set_guest_vlan_mode(adapter, &cmd); | |
484 | break; | |
485 | case QLC_PVID_MODE: | |
991ca269 | 486 | ret = qlcnic_sriov_set_pvid_mode(adapter, &cmd); |
91b7282b RB |
487 | break; |
488 | } | |
489 | } | |
490 | ||
491 | qlcnic_free_mbx_args(&cmd); | |
492 | return ret; | |
493 | } | |
494 | ||
7cb03b23 RB |
495 | static int qlcnic_sriov_vf_init_driver(struct qlcnic_adapter *adapter) |
496 | { | |
7cb03b23 | 497 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
068a8d19 | 498 | struct qlcnic_info nic_info; |
7cb03b23 RB |
499 | int err; |
500 | ||
4000e7a7 RB |
501 | err = qlcnic_sriov_get_vf_vport_info(adapter, &nic_info, 0); |
502 | if (err) | |
503 | return err; | |
504 | ||
154d0c81 MC |
505 | ahw->max_mc_count = nic_info.max_rx_mcast_mac_filters; |
506 | ||
7cb03b23 RB |
507 | err = qlcnic_get_nic_info(adapter, &nic_info, ahw->pci_func); |
508 | if (err) | |
509 | return -EIO; | |
510 | ||
511 | if (qlcnic_83xx_get_port_info(adapter)) | |
512 | return -EIO; | |
513 | ||
514 | qlcnic_sriov_vf_cfg_buff_desc(adapter); | |
515 | adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; | |
516 | dev_info(&adapter->pdev->dev, "HAL Version: %d\n", | |
517 | adapter->ahw->fw_hal_version); | |
518 | ||
519 | ahw->physical_port = (u8) nic_info.phys_port; | |
520 | ahw->switch_mode = nic_info.switch_mode; | |
521 | ahw->max_mtu = nic_info.max_mtu; | |
522 | ahw->op_mode = nic_info.op_mode; | |
523 | ahw->capabilities = nic_info.capabilities; | |
524 | return 0; | |
525 | } | |
526 | ||
f8468331 RB |
527 | static int qlcnic_sriov_setup_vf(struct qlcnic_adapter *adapter, |
528 | int pci_using_dac) | |
529 | { | |
530 | int err; | |
531 | ||
d747c333 RB |
532 | adapter->flags |= QLCNIC_VLAN_FILTERING; |
533 | adapter->ahw->total_nic_func = 1; | |
e8b508ef | 534 | INIT_LIST_HEAD(&adapter->vf_mc_list); |
f8468331 RB |
535 | if (!qlcnic_use_msi_x && !!qlcnic_use_msi) |
536 | dev_warn(&adapter->pdev->dev, | |
01b91f4c | 537 | "Device does not support MSI interrupts\n"); |
f8468331 | 538 | |
34e8c406 HM |
539 | /* compute and set default and max tx/sds rings */ |
540 | qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING); | |
541 | qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING); | |
542 | ||
543 | err = qlcnic_setup_intr(adapter); | |
f8468331 RB |
544 | if (err) { |
545 | dev_err(&adapter->pdev->dev, "Failed to setup interrupt\n"); | |
546 | goto err_out_disable_msi; | |
547 | } | |
548 | ||
549 | err = qlcnic_83xx_setup_mbx_intr(adapter); | |
550 | if (err) | |
551 | goto err_out_disable_msi; | |
552 | ||
553 | err = qlcnic_sriov_init(adapter, 1); | |
554 | if (err) | |
555 | goto err_out_disable_mbx_intr; | |
556 | ||
f197a7aa | 557 | err = qlcnic_sriov_cfg_bc_intr(adapter, 1); |
f8468331 RB |
558 | if (err) |
559 | goto err_out_cleanup_sriov; | |
560 | ||
f197a7aa RB |
561 | err = qlcnic_sriov_channel_cfg_cmd(adapter, QLCNIC_BC_CMD_CHANNEL_INIT); |
562 | if (err) | |
563 | goto err_out_disable_bc_intr; | |
564 | ||
7cb03b23 RB |
565 | err = qlcnic_sriov_vf_init_driver(adapter); |
566 | if (err) | |
567 | goto err_out_send_channel_term; | |
568 | ||
bcf6cb1a RB |
569 | err = qlcnic_sriov_get_vf_acl(adapter); |
570 | if (err) | |
571 | goto err_out_send_channel_term; | |
572 | ||
f197a7aa RB |
573 | err = qlcnic_setup_netdev(adapter, adapter->netdev, pci_using_dac); |
574 | if (err) | |
575 | goto err_out_send_channel_term; | |
576 | ||
f8468331 RB |
577 | pci_set_drvdata(adapter->pdev, adapter); |
578 | dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", | |
579 | adapter->netdev->name); | |
14d385b9 | 580 | |
f036e4f4 RB |
581 | qlcnic_schedule_work(adapter, qlcnic_sriov_vf_poll_dev_state, |
582 | adapter->ahw->idc.delay); | |
f8468331 RB |
583 | return 0; |
584 | ||
f197a7aa RB |
585 | err_out_send_channel_term: |
586 | qlcnic_sriov_channel_cfg_cmd(adapter, QLCNIC_BC_CMD_CHANNEL_TERM); | |
587 | ||
588 | err_out_disable_bc_intr: | |
589 | qlcnic_sriov_cfg_bc_intr(adapter, 0); | |
590 | ||
f8468331 RB |
591 | err_out_cleanup_sriov: |
592 | __qlcnic_sriov_cleanup(adapter); | |
593 | ||
594 | err_out_disable_mbx_intr: | |
595 | qlcnic_83xx_free_mbx_intr(adapter); | |
596 | ||
597 | err_out_disable_msi: | |
598 | qlcnic_teardown_intr(adapter); | |
599 | return err; | |
600 | } | |
601 | ||
f036e4f4 RB |
602 | static int qlcnic_sriov_check_dev_ready(struct qlcnic_adapter *adapter) |
603 | { | |
604 | u32 state; | |
605 | ||
606 | do { | |
607 | msleep(20); | |
608 | if (++adapter->fw_fail_cnt > QLC_BC_CMD_MAX_RETRY_CNT) | |
609 | return -EIO; | |
610 | state = QLCRDX(adapter->ahw, QLC_83XX_IDC_DEV_STATE); | |
611 | } while (state != QLC_83XX_IDC_DEV_READY); | |
612 | ||
613 | return 0; | |
614 | } | |
615 | ||
f8468331 RB |
616 | int qlcnic_sriov_vf_init(struct qlcnic_adapter *adapter, int pci_using_dac) |
617 | { | |
618 | struct qlcnic_hardware_context *ahw = adapter->ahw; | |
f036e4f4 | 619 | int err; |
f8468331 | 620 | |
f036e4f4 RB |
621 | set_bit(QLC_83XX_MODULE_LOADED, &ahw->idc.status); |
622 | ahw->idc.delay = QLC_83XX_IDC_FW_POLL_DELAY; | |
623 | ahw->reset_context = 0; | |
624 | adapter->fw_fail_cnt = 0; | |
f8468331 | 625 | ahw->msix_supported = 1; |
f036e4f4 | 626 | adapter->need_fw_reset = 0; |
da6c8063 | 627 | adapter->flags |= QLCNIC_TX_INTR_SHARED; |
f8468331 | 628 | |
f036e4f4 RB |
629 | err = qlcnic_sriov_check_dev_ready(adapter); |
630 | if (err) | |
631 | return err; | |
632 | ||
633 | err = qlcnic_sriov_setup_vf(adapter, pci_using_dac); | |
634 | if (err) | |
635 | return err; | |
f8468331 RB |
636 | |
637 | if (qlcnic_read_mac_addr(adapter)) | |
638 | dev_warn(&adapter->pdev->dev, "failed to read mac addr\n"); | |
639 | ||
1267ff96 SC |
640 | INIT_DELAYED_WORK(&adapter->idc_aen_work, qlcnic_83xx_idc_aen_work); |
641 | ||
f8468331 | 642 | clear_bit(__QLCNIC_RESETTING, &adapter->state); |
f8468331 RB |
643 | return 0; |
644 | } | |
645 | ||
646 | void qlcnic_sriov_vf_set_ops(struct qlcnic_adapter *adapter) | |
647 | { | |
648 | struct qlcnic_hardware_context *ahw = adapter->ahw; | |
649 | ||
650 | ahw->op_mode = QLCNIC_SRIOV_VF_FUNC; | |
651 | dev_info(&adapter->pdev->dev, | |
652 | "HAL Version: %d Non Privileged SRIOV function\n", | |
653 | ahw->fw_hal_version); | |
654 | adapter->nic_ops = &qlcnic_sriov_vf_ops; | |
655 | set_bit(__QLCNIC_SRIOV_ENABLE, &adapter->state); | |
656 | return; | |
657 | } | |
658 | ||
659 | void qlcnic_sriov_vf_register_map(struct qlcnic_hardware_context *ahw) | |
660 | { | |
661 | ahw->hw_ops = &qlcnic_sriov_vf_hw_ops; | |
662 | ahw->reg_tbl = (u32 *)qlcnic_83xx_reg_tbl; | |
663 | ahw->ext_reg_tbl = (u32 *)qlcnic_83xx_ext_reg_tbl; | |
02feda17 | 664 | } |
f197a7aa RB |
665 | |
666 | static u32 qlcnic_sriov_get_bc_paysize(u32 real_pay_size, u8 curr_frag) | |
667 | { | |
668 | u32 pay_size; | |
669 | ||
670 | pay_size = real_pay_size / ((curr_frag + 1) * QLC_BC_PAYLOAD_SZ); | |
671 | ||
672 | if (pay_size) | |
673 | pay_size = QLC_BC_PAYLOAD_SZ; | |
674 | else | |
675 | pay_size = real_pay_size % QLC_BC_PAYLOAD_SZ; | |
676 | ||
677 | return pay_size; | |
678 | } | |
679 | ||
680 | int qlcnic_sriov_func_to_index(struct qlcnic_adapter *adapter, u8 pci_func) | |
681 | { | |
682 | struct qlcnic_vf_info *vf_info = adapter->ahw->sriov->vf_info; | |
683 | u8 i; | |
684 | ||
685 | if (qlcnic_sriov_vf_check(adapter)) | |
686 | return 0; | |
687 | ||
688 | for (i = 0; i < adapter->ahw->sriov->num_vfs; i++) { | |
689 | if (vf_info[i].pci_func == pci_func) | |
690 | return i; | |
691 | } | |
692 | ||
693 | return -EINVAL; | |
694 | } | |
695 | ||
696 | static inline int qlcnic_sriov_alloc_bc_trans(struct qlcnic_bc_trans **trans) | |
697 | { | |
698 | *trans = kzalloc(sizeof(struct qlcnic_bc_trans), GFP_ATOMIC); | |
699 | if (!*trans) | |
700 | return -ENOMEM; | |
701 | ||
702 | init_completion(&(*trans)->resp_cmpl); | |
703 | return 0; | |
704 | } | |
705 | ||
706 | static inline int qlcnic_sriov_alloc_bc_msg(struct qlcnic_bc_hdr **hdr, | |
707 | u32 size) | |
708 | { | |
709 | *hdr = kzalloc(sizeof(struct qlcnic_bc_hdr) * size, GFP_ATOMIC); | |
710 | if (!*hdr) | |
711 | return -ENOMEM; | |
712 | ||
713 | return 0; | |
714 | } | |
715 | ||
716 | static int qlcnic_sriov_alloc_bc_mbx_args(struct qlcnic_cmd_args *mbx, u32 type) | |
717 | { | |
718 | const struct qlcnic_mailbox_metadata *mbx_tbl; | |
719 | int i, size; | |
720 | ||
721 | mbx_tbl = qlcnic_sriov_bc_mbx_tbl; | |
722 | size = ARRAY_SIZE(qlcnic_sriov_bc_mbx_tbl); | |
723 | ||
724 | for (i = 0; i < size; i++) { | |
725 | if (type == mbx_tbl[i].cmd) { | |
726 | mbx->op_type = QLC_BC_CMD; | |
727 | mbx->req.num = mbx_tbl[i].in_args; | |
728 | mbx->rsp.num = mbx_tbl[i].out_args; | |
729 | mbx->req.arg = kcalloc(mbx->req.num, sizeof(u32), | |
730 | GFP_ATOMIC); | |
731 | if (!mbx->req.arg) | |
732 | return -ENOMEM; | |
733 | mbx->rsp.arg = kcalloc(mbx->rsp.num, sizeof(u32), | |
734 | GFP_ATOMIC); | |
735 | if (!mbx->rsp.arg) { | |
736 | kfree(mbx->req.arg); | |
737 | mbx->req.arg = NULL; | |
738 | return -ENOMEM; | |
739 | } | |
f197a7aa RB |
740 | mbx->req.arg[0] = (type | (mbx->req.num << 16) | |
741 | (3 << 29)); | |
6226204b | 742 | mbx->rsp.arg[0] = (type & 0xffff) | mbx->rsp.num << 16; |
f197a7aa RB |
743 | return 0; |
744 | } | |
745 | } | |
746 | return -EINVAL; | |
747 | } | |
748 | ||
749 | static int qlcnic_sriov_prepare_bc_hdr(struct qlcnic_bc_trans *trans, | |
750 | struct qlcnic_cmd_args *cmd, | |
751 | u16 seq, u8 msg_type) | |
752 | { | |
753 | struct qlcnic_bc_hdr *hdr; | |
754 | int i; | |
755 | u32 num_regs, bc_pay_sz; | |
756 | u16 remainder; | |
757 | u8 cmd_op, num_frags, t_num_frags; | |
758 | ||
759 | bc_pay_sz = QLC_BC_PAYLOAD_SZ; | |
760 | if (msg_type == QLC_BC_COMMAND) { | |
761 | trans->req_pay = (struct qlcnic_bc_payload *)cmd->req.arg; | |
762 | trans->rsp_pay = (struct qlcnic_bc_payload *)cmd->rsp.arg; | |
763 | num_regs = cmd->req.num; | |
764 | trans->req_pay_size = (num_regs * 4); | |
765 | num_regs = cmd->rsp.num; | |
766 | trans->rsp_pay_size = (num_regs * 4); | |
767 | cmd_op = cmd->req.arg[0] & 0xff; | |
768 | remainder = (trans->req_pay_size) % (bc_pay_sz); | |
769 | num_frags = (trans->req_pay_size) / (bc_pay_sz); | |
770 | if (remainder) | |
771 | num_frags++; | |
772 | t_num_frags = num_frags; | |
773 | if (qlcnic_sriov_alloc_bc_msg(&trans->req_hdr, num_frags)) | |
774 | return -ENOMEM; | |
775 | remainder = (trans->rsp_pay_size) % (bc_pay_sz); | |
776 | num_frags = (trans->rsp_pay_size) / (bc_pay_sz); | |
777 | if (remainder) | |
778 | num_frags++; | |
779 | if (qlcnic_sriov_alloc_bc_msg(&trans->rsp_hdr, num_frags)) | |
780 | return -ENOMEM; | |
781 | num_frags = t_num_frags; | |
782 | hdr = trans->req_hdr; | |
783 | } else { | |
784 | cmd->req.arg = (u32 *)trans->req_pay; | |
785 | cmd->rsp.arg = (u32 *)trans->rsp_pay; | |
786 | cmd_op = cmd->req.arg[0] & 0xff; | |
d747c333 | 787 | cmd->cmd_op = cmd_op; |
f197a7aa RB |
788 | remainder = (trans->rsp_pay_size) % (bc_pay_sz); |
789 | num_frags = (trans->rsp_pay_size) / (bc_pay_sz); | |
790 | if (remainder) | |
791 | num_frags++; | |
792 | cmd->req.num = trans->req_pay_size / 4; | |
793 | cmd->rsp.num = trans->rsp_pay_size / 4; | |
794 | hdr = trans->rsp_hdr; | |
6226204b | 795 | cmd->op_type = trans->req_hdr->op_type; |
f197a7aa RB |
796 | } |
797 | ||
798 | trans->trans_id = seq; | |
799 | trans->cmd_id = cmd_op; | |
800 | for (i = 0; i < num_frags; i++) { | |
801 | hdr[i].version = 2; | |
802 | hdr[i].msg_type = msg_type; | |
803 | hdr[i].op_type = cmd->op_type; | |
804 | hdr[i].num_cmds = 1; | |
805 | hdr[i].num_frags = num_frags; | |
806 | hdr[i].frag_num = i + 1; | |
807 | hdr[i].cmd_op = cmd_op; | |
808 | hdr[i].seq_id = seq; | |
809 | } | |
810 | return 0; | |
811 | } | |
812 | ||
813 | static void qlcnic_sriov_cleanup_transaction(struct qlcnic_bc_trans *trans) | |
814 | { | |
815 | if (!trans) | |
816 | return; | |
817 | kfree(trans->req_hdr); | |
818 | kfree(trans->rsp_hdr); | |
819 | kfree(trans); | |
820 | } | |
821 | ||
822 | static int qlcnic_sriov_clear_trans(struct qlcnic_vf_info *vf, | |
823 | struct qlcnic_bc_trans *trans, u8 type) | |
824 | { | |
825 | struct qlcnic_trans_list *t_list; | |
826 | unsigned long flags; | |
827 | int ret = 0; | |
828 | ||
829 | if (type == QLC_BC_RESPONSE) { | |
830 | t_list = &vf->rcv_act; | |
831 | spin_lock_irqsave(&t_list->lock, flags); | |
832 | t_list->count--; | |
833 | list_del(&trans->list); | |
834 | if (t_list->count > 0) | |
835 | ret = 1; | |
836 | spin_unlock_irqrestore(&t_list->lock, flags); | |
837 | } | |
838 | if (type == QLC_BC_COMMAND) { | |
839 | while (test_and_set_bit(QLC_BC_VF_SEND, &vf->state)) | |
840 | msleep(100); | |
841 | vf->send_cmd = NULL; | |
842 | clear_bit(QLC_BC_VF_SEND, &vf->state); | |
843 | } | |
844 | return ret; | |
845 | } | |
846 | ||
847 | static void qlcnic_sriov_schedule_bc_cmd(struct qlcnic_sriov *sriov, | |
848 | struct qlcnic_vf_info *vf, | |
849 | work_func_t func) | |
850 | { | |
f036e4f4 RB |
851 | if (test_bit(QLC_BC_VF_FLR, &vf->state) || |
852 | vf->adapter->need_fw_reset) | |
97d8105c RB |
853 | return; |
854 | ||
f197a7aa RB |
855 | queue_work(sriov->bc.bc_trans_wq, &vf->trans_work); |
856 | } | |
857 | ||
858 | static inline void qlcnic_sriov_wait_for_resp(struct qlcnic_bc_trans *trans) | |
859 | { | |
860 | struct completion *cmpl = &trans->resp_cmpl; | |
861 | ||
862 | if (wait_for_completion_timeout(cmpl, QLC_MBOX_RESP_TIMEOUT)) | |
863 | trans->trans_state = QLC_END; | |
864 | else | |
865 | trans->trans_state = QLC_ABORT; | |
866 | ||
867 | return; | |
868 | } | |
869 | ||
870 | static void qlcnic_sriov_handle_multi_frags(struct qlcnic_bc_trans *trans, | |
871 | u8 type) | |
872 | { | |
873 | if (type == QLC_BC_RESPONSE) { | |
874 | trans->curr_rsp_frag++; | |
875 | if (trans->curr_rsp_frag < trans->rsp_hdr->num_frags) | |
876 | trans->trans_state = QLC_INIT; | |
877 | else | |
878 | trans->trans_state = QLC_END; | |
879 | } else { | |
880 | trans->curr_req_frag++; | |
881 | if (trans->curr_req_frag < trans->req_hdr->num_frags) | |
882 | trans->trans_state = QLC_INIT; | |
883 | else | |
884 | trans->trans_state = QLC_WAIT_FOR_RESP; | |
885 | } | |
886 | } | |
887 | ||
888 | static void qlcnic_sriov_wait_for_channel_free(struct qlcnic_bc_trans *trans, | |
889 | u8 type) | |
890 | { | |
891 | struct qlcnic_vf_info *vf = trans->vf; | |
892 | struct completion *cmpl = &vf->ch_free_cmpl; | |
893 | ||
894 | if (!wait_for_completion_timeout(cmpl, QLC_MBOX_CH_FREE_TIMEOUT)) { | |
895 | trans->trans_state = QLC_ABORT; | |
896 | return; | |
897 | } | |
898 | ||
899 | clear_bit(QLC_BC_VF_CHANNEL, &vf->state); | |
900 | qlcnic_sriov_handle_multi_frags(trans, type); | |
901 | } | |
902 | ||
903 | static void qlcnic_sriov_pull_bc_msg(struct qlcnic_adapter *adapter, | |
904 | u32 *hdr, u32 *pay, u32 size) | |
905 | { | |
906 | struct qlcnic_hardware_context *ahw = adapter->ahw; | |
907 | u32 fw_mbx; | |
908 | u8 i, max = 2, hdr_size, j; | |
909 | ||
910 | hdr_size = (sizeof(struct qlcnic_bc_hdr) / sizeof(u32)); | |
911 | max = (size / sizeof(u32)) + hdr_size; | |
912 | ||
913 | fw_mbx = readl(QLCNIC_MBX_FW(ahw, 0)); | |
914 | for (i = 2, j = 0; j < hdr_size; i++, j++) | |
915 | *(hdr++) = readl(QLCNIC_MBX_FW(ahw, i)); | |
916 | for (; j < max; i++, j++) | |
917 | *(pay++) = readl(QLCNIC_MBX_FW(ahw, i)); | |
918 | } | |
919 | ||
920 | static int __qlcnic_sriov_issue_bc_post(struct qlcnic_vf_info *vf) | |
921 | { | |
922 | int ret = -EBUSY; | |
923 | u32 timeout = 10000; | |
924 | ||
925 | do { | |
926 | if (!test_and_set_bit(QLC_BC_VF_CHANNEL, &vf->state)) { | |
927 | ret = 0; | |
928 | break; | |
929 | } | |
930 | mdelay(1); | |
931 | } while (--timeout); | |
932 | ||
933 | return ret; | |
934 | } | |
935 | ||
936 | static int qlcnic_sriov_issue_bc_post(struct qlcnic_bc_trans *trans, u8 type) | |
937 | { | |
938 | struct qlcnic_vf_info *vf = trans->vf; | |
939 | u32 pay_size, hdr_size; | |
940 | u32 *hdr, *pay; | |
941 | int ret; | |
942 | u8 pci_func = trans->func_id; | |
943 | ||
944 | if (__qlcnic_sriov_issue_bc_post(vf)) | |
945 | return -EBUSY; | |
946 | ||
947 | if (type == QLC_BC_COMMAND) { | |
948 | hdr = (u32 *)(trans->req_hdr + trans->curr_req_frag); | |
949 | pay = (u32 *)(trans->req_pay + trans->curr_req_frag); | |
950 | hdr_size = (sizeof(struct qlcnic_bc_hdr) / sizeof(u32)); | |
951 | pay_size = qlcnic_sriov_get_bc_paysize(trans->req_pay_size, | |
952 | trans->curr_req_frag); | |
953 | pay_size = (pay_size / sizeof(u32)); | |
954 | } else { | |
955 | hdr = (u32 *)(trans->rsp_hdr + trans->curr_rsp_frag); | |
956 | pay = (u32 *)(trans->rsp_pay + trans->curr_rsp_frag); | |
957 | hdr_size = (sizeof(struct qlcnic_bc_hdr) / sizeof(u32)); | |
958 | pay_size = qlcnic_sriov_get_bc_paysize(trans->rsp_pay_size, | |
959 | trans->curr_rsp_frag); | |
960 | pay_size = (pay_size / sizeof(u32)); | |
961 | } | |
962 | ||
963 | ret = qlcnic_sriov_post_bc_msg(vf->adapter, hdr, pay, | |
964 | pci_func, pay_size); | |
965 | return ret; | |
966 | } | |
967 | ||
968 | static int __qlcnic_sriov_send_bc_msg(struct qlcnic_bc_trans *trans, | |
969 | struct qlcnic_vf_info *vf, u8 type) | |
970 | { | |
f197a7aa | 971 | bool flag = true; |
97d8105c | 972 | int err = -EIO; |
f197a7aa RB |
973 | |
974 | while (flag) { | |
f036e4f4 RB |
975 | if (test_bit(QLC_BC_VF_FLR, &vf->state) || |
976 | vf->adapter->need_fw_reset) | |
97d8105c RB |
977 | trans->trans_state = QLC_ABORT; |
978 | ||
f197a7aa RB |
979 | switch (trans->trans_state) { |
980 | case QLC_INIT: | |
981 | trans->trans_state = QLC_WAIT_FOR_CHANNEL_FREE; | |
982 | if (qlcnic_sriov_issue_bc_post(trans, type)) | |
983 | trans->trans_state = QLC_ABORT; | |
984 | break; | |
985 | case QLC_WAIT_FOR_CHANNEL_FREE: | |
986 | qlcnic_sriov_wait_for_channel_free(trans, type); | |
987 | break; | |
988 | case QLC_WAIT_FOR_RESP: | |
989 | qlcnic_sriov_wait_for_resp(trans); | |
990 | break; | |
991 | case QLC_END: | |
992 | err = 0; | |
993 | flag = false; | |
994 | break; | |
995 | case QLC_ABORT: | |
996 | err = -EIO; | |
997 | flag = false; | |
998 | clear_bit(QLC_BC_VF_CHANNEL, &vf->state); | |
999 | break; | |
1000 | default: | |
1001 | err = -EIO; | |
1002 | flag = false; | |
1003 | } | |
1004 | } | |
1005 | return err; | |
1006 | } | |
1007 | ||
1008 | static int qlcnic_sriov_send_bc_cmd(struct qlcnic_adapter *adapter, | |
1009 | struct qlcnic_bc_trans *trans, int pci_func) | |
1010 | { | |
1011 | struct qlcnic_vf_info *vf; | |
1012 | int err, index = qlcnic_sriov_func_to_index(adapter, pci_func); | |
1013 | ||
1014 | if (index < 0) | |
1015 | return -EIO; | |
1016 | ||
1017 | vf = &adapter->ahw->sriov->vf_info[index]; | |
1018 | trans->vf = vf; | |
1019 | trans->func_id = pci_func; | |
1020 | ||
1021 | if (!test_bit(QLC_BC_VF_STATE, &vf->state)) { | |
1022 | if (qlcnic_sriov_pf_check(adapter)) | |
1023 | return -EIO; | |
1024 | if (qlcnic_sriov_vf_check(adapter) && | |
1025 | trans->cmd_id != QLCNIC_BC_CMD_CHANNEL_INIT) | |
1026 | return -EIO; | |
1027 | } | |
1028 | ||
1029 | mutex_lock(&vf->send_cmd_lock); | |
1030 | vf->send_cmd = trans; | |
1031 | err = __qlcnic_sriov_send_bc_msg(trans, vf, QLC_BC_COMMAND); | |
1032 | qlcnic_sriov_clear_trans(vf, trans, QLC_BC_COMMAND); | |
1033 | mutex_unlock(&vf->send_cmd_lock); | |
1034 | return err; | |
1035 | } | |
1036 | ||
1037 | static void __qlcnic_sriov_process_bc_cmd(struct qlcnic_adapter *adapter, | |
1038 | struct qlcnic_bc_trans *trans, | |
1039 | struct qlcnic_cmd_args *cmd) | |
1040 | { | |
1041 | #ifdef CONFIG_QLCNIC_SRIOV | |
1042 | if (qlcnic_sriov_pf_check(adapter)) { | |
1043 | qlcnic_sriov_pf_process_bc_cmd(adapter, trans, cmd); | |
1044 | return; | |
1045 | } | |
1046 | #endif | |
1047 | cmd->rsp.arg[0] |= (0x9 << 25); | |
1048 | return; | |
1049 | } | |
1050 | ||
1051 | static void qlcnic_sriov_process_bc_cmd(struct work_struct *work) | |
1052 | { | |
1053 | struct qlcnic_vf_info *vf = container_of(work, struct qlcnic_vf_info, | |
1054 | trans_work); | |
1055 | struct qlcnic_bc_trans *trans = NULL; | |
1056 | struct qlcnic_adapter *adapter = vf->adapter; | |
1057 | struct qlcnic_cmd_args cmd; | |
1058 | u8 req; | |
1059 | ||
f036e4f4 RB |
1060 | if (adapter->need_fw_reset) |
1061 | return; | |
1062 | ||
97d8105c RB |
1063 | if (test_bit(QLC_BC_VF_FLR, &vf->state)) |
1064 | return; | |
1065 | ||
e5c4e6c6 | 1066 | memset(&cmd, 0, sizeof(struct qlcnic_cmd_args)); |
f197a7aa RB |
1067 | trans = list_first_entry(&vf->rcv_act.wait_list, |
1068 | struct qlcnic_bc_trans, list); | |
1069 | adapter = vf->adapter; | |
1070 | ||
1071 | if (qlcnic_sriov_prepare_bc_hdr(trans, &cmd, trans->req_hdr->seq_id, | |
1072 | QLC_BC_RESPONSE)) | |
1073 | goto cleanup_trans; | |
1074 | ||
1075 | __qlcnic_sriov_process_bc_cmd(adapter, trans, &cmd); | |
1076 | trans->trans_state = QLC_INIT; | |
1077 | __qlcnic_sriov_send_bc_msg(trans, vf, QLC_BC_RESPONSE); | |
1078 | ||
1079 | cleanup_trans: | |
1080 | qlcnic_free_mbx_args(&cmd); | |
1081 | req = qlcnic_sriov_clear_trans(vf, trans, QLC_BC_RESPONSE); | |
1082 | qlcnic_sriov_cleanup_transaction(trans); | |
1083 | if (req) | |
1084 | qlcnic_sriov_schedule_bc_cmd(adapter->ahw->sriov, vf, | |
1085 | qlcnic_sriov_process_bc_cmd); | |
1086 | } | |
1087 | ||
1088 | static void qlcnic_sriov_handle_bc_resp(struct qlcnic_bc_hdr *hdr, | |
1089 | struct qlcnic_vf_info *vf) | |
1090 | { | |
1091 | struct qlcnic_bc_trans *trans; | |
1092 | u32 pay_size; | |
1093 | ||
1094 | if (test_and_set_bit(QLC_BC_VF_SEND, &vf->state)) | |
1095 | return; | |
1096 | ||
1097 | trans = vf->send_cmd; | |
1098 | ||
1099 | if (trans == NULL) | |
1100 | goto clear_send; | |
1101 | ||
1102 | if (trans->trans_id != hdr->seq_id) | |
1103 | goto clear_send; | |
1104 | ||
1105 | pay_size = qlcnic_sriov_get_bc_paysize(trans->rsp_pay_size, | |
1106 | trans->curr_rsp_frag); | |
1107 | qlcnic_sriov_pull_bc_msg(vf->adapter, | |
1108 | (u32 *)(trans->rsp_hdr + trans->curr_rsp_frag), | |
1109 | (u32 *)(trans->rsp_pay + trans->curr_rsp_frag), | |
1110 | pay_size); | |
1111 | if (++trans->curr_rsp_frag < trans->rsp_hdr->num_frags) | |
1112 | goto clear_send; | |
1113 | ||
1114 | complete(&trans->resp_cmpl); | |
1115 | ||
1116 | clear_send: | |
1117 | clear_bit(QLC_BC_VF_SEND, &vf->state); | |
1118 | } | |
1119 | ||
97d8105c RB |
1120 | int __qlcnic_sriov_add_act_list(struct qlcnic_sriov *sriov, |
1121 | struct qlcnic_vf_info *vf, | |
1122 | struct qlcnic_bc_trans *trans) | |
f197a7aa RB |
1123 | { |
1124 | struct qlcnic_trans_list *t_list = &vf->rcv_act; | |
1125 | ||
f197a7aa RB |
1126 | t_list->count++; |
1127 | list_add_tail(&trans->list, &t_list->wait_list); | |
1128 | if (t_list->count == 1) | |
1129 | qlcnic_sriov_schedule_bc_cmd(sriov, vf, | |
1130 | qlcnic_sriov_process_bc_cmd); | |
97d8105c RB |
1131 | return 0; |
1132 | } | |
1133 | ||
1134 | static int qlcnic_sriov_add_act_list(struct qlcnic_sriov *sriov, | |
1135 | struct qlcnic_vf_info *vf, | |
1136 | struct qlcnic_bc_trans *trans) | |
1137 | { | |
1138 | struct qlcnic_trans_list *t_list = &vf->rcv_act; | |
1139 | ||
1140 | spin_lock(&t_list->lock); | |
1141 | ||
1142 | __qlcnic_sriov_add_act_list(sriov, vf, trans); | |
1143 | ||
f197a7aa RB |
1144 | spin_unlock(&t_list->lock); |
1145 | return 0; | |
1146 | } | |
1147 | ||
1148 | static void qlcnic_sriov_handle_pending_trans(struct qlcnic_sriov *sriov, | |
1149 | struct qlcnic_vf_info *vf, | |
1150 | struct qlcnic_bc_hdr *hdr) | |
1151 | { | |
1152 | struct qlcnic_bc_trans *trans = NULL; | |
1153 | struct list_head *node; | |
1154 | u32 pay_size, curr_frag; | |
1155 | u8 found = 0, active = 0; | |
1156 | ||
1157 | spin_lock(&vf->rcv_pend.lock); | |
1158 | if (vf->rcv_pend.count > 0) { | |
1159 | list_for_each(node, &vf->rcv_pend.wait_list) { | |
1160 | trans = list_entry(node, struct qlcnic_bc_trans, list); | |
1161 | if (trans->trans_id == hdr->seq_id) { | |
1162 | found = 1; | |
1163 | break; | |
1164 | } | |
1165 | } | |
1166 | } | |
1167 | ||
1168 | if (found) { | |
1169 | curr_frag = trans->curr_req_frag; | |
1170 | pay_size = qlcnic_sriov_get_bc_paysize(trans->req_pay_size, | |
1171 | curr_frag); | |
1172 | qlcnic_sriov_pull_bc_msg(vf->adapter, | |
1173 | (u32 *)(trans->req_hdr + curr_frag), | |
1174 | (u32 *)(trans->req_pay + curr_frag), | |
1175 | pay_size); | |
1176 | trans->curr_req_frag++; | |
1177 | if (trans->curr_req_frag >= hdr->num_frags) { | |
1178 | vf->rcv_pend.count--; | |
1179 | list_del(&trans->list); | |
1180 | active = 1; | |
1181 | } | |
1182 | } | |
1183 | spin_unlock(&vf->rcv_pend.lock); | |
1184 | ||
1185 | if (active) | |
1186 | if (qlcnic_sriov_add_act_list(sriov, vf, trans)) | |
1187 | qlcnic_sriov_cleanup_transaction(trans); | |
1188 | ||
1189 | return; | |
1190 | } | |
1191 | ||
1192 | static void qlcnic_sriov_handle_bc_cmd(struct qlcnic_sriov *sriov, | |
1193 | struct qlcnic_bc_hdr *hdr, | |
1194 | struct qlcnic_vf_info *vf) | |
1195 | { | |
1196 | struct qlcnic_bc_trans *trans; | |
1197 | struct qlcnic_adapter *adapter = vf->adapter; | |
1198 | struct qlcnic_cmd_args cmd; | |
1199 | u32 pay_size; | |
1200 | int err; | |
1201 | u8 cmd_op; | |
1202 | ||
f036e4f4 RB |
1203 | if (adapter->need_fw_reset) |
1204 | return; | |
1205 | ||
f197a7aa RB |
1206 | if (!test_bit(QLC_BC_VF_STATE, &vf->state) && |
1207 | hdr->op_type != QLC_BC_CMD && | |
1208 | hdr->cmd_op != QLCNIC_BC_CMD_CHANNEL_INIT) | |
1209 | return; | |
1210 | ||
1211 | if (hdr->frag_num > 1) { | |
1212 | qlcnic_sriov_handle_pending_trans(sriov, vf, hdr); | |
1213 | return; | |
1214 | } | |
1215 | ||
e5c4e6c6 | 1216 | memset(&cmd, 0, sizeof(struct qlcnic_cmd_args)); |
f197a7aa RB |
1217 | cmd_op = hdr->cmd_op; |
1218 | if (qlcnic_sriov_alloc_bc_trans(&trans)) | |
1219 | return; | |
1220 | ||
1221 | if (hdr->op_type == QLC_BC_CMD) | |
1222 | err = qlcnic_sriov_alloc_bc_mbx_args(&cmd, cmd_op); | |
1223 | else | |
1224 | err = qlcnic_alloc_mbx_args(&cmd, adapter, cmd_op); | |
1225 | ||
1226 | if (err) { | |
1227 | qlcnic_sriov_cleanup_transaction(trans); | |
1228 | return; | |
1229 | } | |
1230 | ||
1231 | cmd.op_type = hdr->op_type; | |
1232 | if (qlcnic_sriov_prepare_bc_hdr(trans, &cmd, hdr->seq_id, | |
1233 | QLC_BC_COMMAND)) { | |
1234 | qlcnic_free_mbx_args(&cmd); | |
1235 | qlcnic_sriov_cleanup_transaction(trans); | |
1236 | return; | |
1237 | } | |
1238 | ||
1239 | pay_size = qlcnic_sriov_get_bc_paysize(trans->req_pay_size, | |
1240 | trans->curr_req_frag); | |
1241 | qlcnic_sriov_pull_bc_msg(vf->adapter, | |
1242 | (u32 *)(trans->req_hdr + trans->curr_req_frag), | |
1243 | (u32 *)(trans->req_pay + trans->curr_req_frag), | |
1244 | pay_size); | |
1245 | trans->func_id = vf->pci_func; | |
1246 | trans->vf = vf; | |
1247 | trans->trans_id = hdr->seq_id; | |
1248 | trans->curr_req_frag++; | |
97d8105c RB |
1249 | |
1250 | if (qlcnic_sriov_soft_flr_check(adapter, trans, vf)) | |
1251 | return; | |
1252 | ||
f197a7aa RB |
1253 | if (trans->curr_req_frag == trans->req_hdr->num_frags) { |
1254 | if (qlcnic_sriov_add_act_list(sriov, vf, trans)) { | |
1255 | qlcnic_free_mbx_args(&cmd); | |
1256 | qlcnic_sriov_cleanup_transaction(trans); | |
1257 | } | |
1258 | } else { | |
1259 | spin_lock(&vf->rcv_pend.lock); | |
1260 | list_add_tail(&trans->list, &vf->rcv_pend.wait_list); | |
1261 | vf->rcv_pend.count++; | |
1262 | spin_unlock(&vf->rcv_pend.lock); | |
1263 | } | |
1264 | } | |
1265 | ||
1266 | static void qlcnic_sriov_handle_msg_event(struct qlcnic_sriov *sriov, | |
1267 | struct qlcnic_vf_info *vf) | |
1268 | { | |
1269 | struct qlcnic_bc_hdr hdr; | |
1270 | u32 *ptr = (u32 *)&hdr; | |
1271 | u8 msg_type, i; | |
1272 | ||
1273 | for (i = 2; i < 6; i++) | |
1274 | ptr[i - 2] = readl(QLCNIC_MBX_FW(vf->adapter->ahw, i)); | |
1275 | msg_type = hdr.msg_type; | |
1276 | ||
1277 | switch (msg_type) { | |
1278 | case QLC_BC_COMMAND: | |
1279 | qlcnic_sriov_handle_bc_cmd(sriov, &hdr, vf); | |
1280 | break; | |
1281 | case QLC_BC_RESPONSE: | |
1282 | qlcnic_sriov_handle_bc_resp(&hdr, vf); | |
1283 | break; | |
1284 | } | |
1285 | } | |
1286 | ||
97d8105c RB |
1287 | static void qlcnic_sriov_handle_flr_event(struct qlcnic_sriov *sriov, |
1288 | struct qlcnic_vf_info *vf) | |
1289 | { | |
1290 | struct qlcnic_adapter *adapter = vf->adapter; | |
1291 | ||
1292 | if (qlcnic_sriov_pf_check(adapter)) | |
1293 | qlcnic_sriov_pf_handle_flr(sriov, vf); | |
1294 | else | |
1295 | dev_err(&adapter->pdev->dev, | |
1296 | "Invalid event to VF. VF should not get FLR event\n"); | |
1297 | } | |
1298 | ||
f197a7aa RB |
1299 | void qlcnic_sriov_handle_bc_event(struct qlcnic_adapter *adapter, u32 event) |
1300 | { | |
1301 | struct qlcnic_vf_info *vf; | |
1302 | struct qlcnic_sriov *sriov; | |
1303 | int index; | |
1304 | u8 pci_func; | |
1305 | ||
1306 | sriov = adapter->ahw->sriov; | |
1307 | pci_func = qlcnic_sriov_target_func_id(event); | |
1308 | index = qlcnic_sriov_func_to_index(adapter, pci_func); | |
1309 | ||
1310 | if (index < 0) | |
1311 | return; | |
1312 | ||
1313 | vf = &sriov->vf_info[index]; | |
1314 | vf->pci_func = pci_func; | |
1315 | ||
1316 | if (qlcnic_sriov_channel_free_check(event)) | |
1317 | complete(&vf->ch_free_cmpl); | |
1318 | ||
97d8105c RB |
1319 | if (qlcnic_sriov_flr_check(event)) { |
1320 | qlcnic_sriov_handle_flr_event(sriov, vf); | |
1321 | return; | |
1322 | } | |
1323 | ||
f197a7aa RB |
1324 | if (qlcnic_sriov_bc_msg_check(event)) |
1325 | qlcnic_sriov_handle_msg_event(sriov, vf); | |
1326 | } | |
1327 | ||
1328 | int qlcnic_sriov_cfg_bc_intr(struct qlcnic_adapter *adapter, u8 enable) | |
1329 | { | |
1330 | struct qlcnic_cmd_args cmd; | |
1331 | int err; | |
1332 | ||
1333 | if (!test_bit(__QLCNIC_SRIOV_ENABLE, &adapter->state)) | |
1334 | return 0; | |
1335 | ||
1336 | if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_BC_EVENT_SETUP)) | |
1337 | return -ENOMEM; | |
1338 | ||
1339 | if (enable) | |
1340 | cmd.req.arg[1] = (1 << 4) | (1 << 5) | (1 << 6) | (1 << 7); | |
1341 | ||
e5c4e6c6 | 1342 | err = qlcnic_83xx_issue_cmd(adapter, &cmd); |
f197a7aa RB |
1343 | |
1344 | if (err != QLCNIC_RCODE_SUCCESS) { | |
1345 | dev_err(&adapter->pdev->dev, | |
1346 | "Failed to %s bc events, err=%d\n", | |
1347 | (enable ? "enable" : "disable"), err); | |
1348 | } | |
1349 | ||
1350 | qlcnic_free_mbx_args(&cmd); | |
1351 | return err; | |
1352 | } | |
1353 | ||
f036e4f4 RB |
1354 | static int qlcnic_sriov_retry_bc_cmd(struct qlcnic_adapter *adapter, |
1355 | struct qlcnic_bc_trans *trans) | |
1356 | { | |
1357 | u8 max = QLC_BC_CMD_MAX_RETRY_CNT; | |
1358 | u32 state; | |
1359 | ||
1360 | state = QLCRDX(adapter->ahw, QLC_83XX_IDC_DEV_STATE); | |
1361 | if (state == QLC_83XX_IDC_DEV_READY) { | |
1362 | msleep(20); | |
1363 | clear_bit(QLC_BC_VF_CHANNEL, &trans->vf->state); | |
1364 | trans->trans_state = QLC_INIT; | |
1365 | if (++adapter->fw_fail_cnt > max) | |
1366 | return -EIO; | |
1367 | else | |
1368 | return 0; | |
1369 | } | |
1370 | ||
1371 | return -EIO; | |
1372 | } | |
1373 | ||
74b7ba1a | 1374 | static int __qlcnic_sriov_issue_cmd(struct qlcnic_adapter *adapter, |
f197a7aa RB |
1375 | struct qlcnic_cmd_args *cmd) |
1376 | { | |
f036e4f4 | 1377 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
068a8d19 | 1378 | struct qlcnic_mailbox *mbx = ahw->mailbox; |
f036e4f4 | 1379 | struct device *dev = &adapter->pdev->dev; |
f197a7aa RB |
1380 | struct qlcnic_bc_trans *trans; |
1381 | int err; | |
1382 | u32 rsp_data, opcode, mbx_err_code, rsp; | |
1383 | u16 seq = ++adapter->ahw->sriov->bc.trans_counter; | |
f036e4f4 | 1384 | u8 func = ahw->pci_func; |
f197a7aa | 1385 | |
f036e4f4 RB |
1386 | rsp = qlcnic_sriov_alloc_bc_trans(&trans); |
1387 | if (rsp) | |
ab0648e8 | 1388 | goto free_cmd; |
f197a7aa | 1389 | |
f036e4f4 RB |
1390 | rsp = qlcnic_sriov_prepare_bc_hdr(trans, cmd, seq, QLC_BC_COMMAND); |
1391 | if (rsp) | |
1392 | goto cleanup_transaction; | |
f197a7aa | 1393 | |
f036e4f4 | 1394 | retry: |
068a8d19 | 1395 | if (!test_bit(QLC_83XX_MBX_READY, &mbx->status)) { |
f197a7aa RB |
1396 | rsp = -EIO; |
1397 | QLCDB(adapter, DRV, "MBX not Ready!(cmd 0x%x) for VF 0x%x\n", | |
f036e4f4 | 1398 | QLCNIC_MBX_RSP(cmd->req.arg[0]), func); |
f197a7aa RB |
1399 | goto err_out; |
1400 | } | |
1401 | ||
f036e4f4 | 1402 | err = qlcnic_sriov_send_bc_cmd(adapter, trans, func); |
f197a7aa | 1403 | if (err) { |
f036e4f4 RB |
1404 | dev_err(dev, "MBX command 0x%x timed out for VF %d\n", |
1405 | (cmd->req.arg[0] & 0xffff), func); | |
f197a7aa | 1406 | rsp = QLCNIC_RCODE_TIMEOUT; |
f036e4f4 RB |
1407 | |
1408 | /* After adapter reset PF driver may take some time to | |
1409 | * respond to VF's request. Retry request till maximum retries. | |
1410 | */ | |
1411 | if ((trans->req_hdr->cmd_op == QLCNIC_BC_CMD_CHANNEL_INIT) && | |
1412 | !qlcnic_sriov_retry_bc_cmd(adapter, trans)) | |
1413 | goto retry; | |
1414 | ||
f197a7aa RB |
1415 | goto err_out; |
1416 | } | |
1417 | ||
1418 | rsp_data = cmd->rsp.arg[0]; | |
1419 | mbx_err_code = QLCNIC_MBX_STATUS(rsp_data); | |
1420 | opcode = QLCNIC_MBX_RSP(cmd->req.arg[0]); | |
1421 | ||
1422 | if ((mbx_err_code == QLCNIC_MBX_RSP_OK) || | |
1423 | (mbx_err_code == QLCNIC_MBX_PORT_RSP_OK)) { | |
1424 | rsp = QLCNIC_RCODE_SUCCESS; | |
1425 | } else { | |
d747c333 RB |
1426 | if (cmd->type == QLC_83XX_MBX_CMD_NO_WAIT) { |
1427 | rsp = QLCNIC_RCODE_SUCCESS; | |
1428 | } else { | |
1429 | rsp = mbx_err_code; | |
1430 | if (!rsp) | |
1431 | rsp = 1; | |
1432 | ||
1433 | dev_err(dev, | |
1434 | "MBX command 0x%x failed with err:0x%x for VF %d\n", | |
1435 | opcode, mbx_err_code, func); | |
1436 | } | |
f197a7aa RB |
1437 | } |
1438 | ||
1439 | err_out: | |
f036e4f4 RB |
1440 | if (rsp == QLCNIC_RCODE_TIMEOUT) { |
1441 | ahw->reset_context = 1; | |
1442 | adapter->need_fw_reset = 1; | |
068a8d19 | 1443 | clear_bit(QLC_83XX_MBX_READY, &mbx->status); |
f036e4f4 RB |
1444 | } |
1445 | ||
1446 | cleanup_transaction: | |
f197a7aa | 1447 | qlcnic_sriov_cleanup_transaction(trans); |
ab0648e8 RB |
1448 | |
1449 | free_cmd: | |
1450 | if (cmd->type == QLC_83XX_MBX_CMD_NO_WAIT) { | |
1451 | qlcnic_free_mbx_args(cmd); | |
1452 | kfree(cmd); | |
1453 | } | |
1454 | ||
f197a7aa RB |
1455 | return rsp; |
1456 | } | |
1457 | ||
74b7ba1a RB |
1458 | |
1459 | static int qlcnic_sriov_issue_cmd(struct qlcnic_adapter *adapter, | |
1460 | struct qlcnic_cmd_args *cmd) | |
1461 | { | |
1462 | if (cmd->type == QLC_83XX_MBX_CMD_NO_WAIT) | |
1463 | return qlcnic_sriov_async_issue_cmd(adapter, cmd); | |
1464 | else | |
1465 | return __qlcnic_sriov_issue_cmd(adapter, cmd); | |
1466 | } | |
1467 | ||
21041400 | 1468 | static int qlcnic_sriov_channel_cfg_cmd(struct qlcnic_adapter *adapter, u8 cmd_op) |
f197a7aa RB |
1469 | { |
1470 | struct qlcnic_cmd_args cmd; | |
1471 | struct qlcnic_vf_info *vf = &adapter->ahw->sriov->vf_info[0]; | |
1472 | int ret; | |
1473 | ||
c5316920 | 1474 | memset(&cmd, 0, sizeof(cmd)); |
f197a7aa RB |
1475 | if (qlcnic_sriov_alloc_bc_mbx_args(&cmd, cmd_op)) |
1476 | return -ENOMEM; | |
1477 | ||
1478 | ret = qlcnic_issue_cmd(adapter, &cmd); | |
1479 | if (ret) { | |
1480 | dev_err(&adapter->pdev->dev, | |
1481 | "Failed bc channel %s %d\n", cmd_op ? "term" : "init", | |
1482 | ret); | |
1483 | goto out; | |
1484 | } | |
1485 | ||
1486 | cmd_op = (cmd.rsp.arg[0] & 0xff); | |
1487 | if (cmd.rsp.arg[0] >> 25 == 2) | |
1488 | return 2; | |
1489 | if (cmd_op == QLCNIC_BC_CMD_CHANNEL_INIT) | |
1490 | set_bit(QLC_BC_VF_STATE, &vf->state); | |
1491 | else | |
1492 | clear_bit(QLC_BC_VF_STATE, &vf->state); | |
1493 | ||
1494 | out: | |
1495 | qlcnic_free_mbx_args(&cmd); | |
1496 | return ret; | |
1497 | } | |
e8b508ef | 1498 | |
fe79fabb SS |
1499 | static void qlcnic_vf_add_mc_list(struct net_device *netdev, const u8 *mac, |
1500 | enum qlcnic_mac_type mac_type) | |
e8b508ef RB |
1501 | { |
1502 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
154d0c81 | 1503 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
154d0c81 MC |
1504 | struct qlcnic_vf_info *vf; |
1505 | u16 vlan_id; | |
1506 | int i; | |
e8b508ef | 1507 | |
154d0c81 | 1508 | vf = &adapter->ahw->sriov->vf_info[0]; |
e8b508ef | 1509 | |
74b7ba1a | 1510 | if (!qlcnic_sriov_check_any_vlan(vf)) { |
fe79fabb | 1511 | qlcnic_nic_add_mac(adapter, mac, 0, mac_type); |
74b7ba1a RB |
1512 | } else { |
1513 | spin_lock(&vf->vlan_list_lock); | |
1514 | for (i = 0; i < sriov->num_allowed_vlans; i++) { | |
1515 | vlan_id = vf->sriov_vlans[i]; | |
1516 | if (vlan_id) | |
fe79fabb SS |
1517 | qlcnic_nic_add_mac(adapter, mac, vlan_id, |
1518 | mac_type); | |
154d0c81 | 1519 | } |
74b7ba1a RB |
1520 | spin_unlock(&vf->vlan_list_lock); |
1521 | if (qlcnic_84xx_check(adapter)) | |
fe79fabb | 1522 | qlcnic_nic_add_mac(adapter, mac, 0, mac_type); |
e8b508ef RB |
1523 | } |
1524 | } | |
1525 | ||
1526 | void qlcnic_sriov_cleanup_async_list(struct qlcnic_back_channel *bc) | |
1527 | { | |
2b10d3ec MC |
1528 | struct list_head *head = &bc->async_cmd_list; |
1529 | struct qlcnic_async_cmd *entry; | |
e8b508ef | 1530 | |
74b7ba1a | 1531 | flush_workqueue(bc->bc_async_wq); |
2b10d3ec MC |
1532 | cancel_work_sync(&bc->vf_async_work); |
1533 | ||
1534 | spin_lock(&bc->queue_lock); | |
e8b508ef | 1535 | while (!list_empty(head)) { |
2b10d3ec | 1536 | entry = list_entry(head->next, struct qlcnic_async_cmd, |
e8b508ef | 1537 | list); |
e8b508ef | 1538 | list_del(&entry->list); |
2b10d3ec | 1539 | kfree(entry->cmd); |
e8b508ef RB |
1540 | kfree(entry); |
1541 | } | |
2b10d3ec | 1542 | spin_unlock(&bc->queue_lock); |
e8b508ef RB |
1543 | } |
1544 | ||
74b7ba1a | 1545 | void qlcnic_sriov_vf_set_multi(struct net_device *netdev) |
e8b508ef RB |
1546 | { |
1547 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
154d0c81 | 1548 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
74b7ba1a RB |
1549 | static const u8 bcast_addr[ETH_ALEN] = { |
1550 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff | |
1551 | }; | |
1552 | struct netdev_hw_addr *ha; | |
154d0c81 | 1553 | u32 mode = VPORT_MISS_MODE_DROP; |
e8b508ef RB |
1554 | |
1555 | if (!test_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) | |
1556 | return; | |
1557 | ||
154d0c81 MC |
1558 | if (netdev->flags & IFF_PROMISC) { |
1559 | if (!(adapter->flags & QLCNIC_PROMISC_DISABLED)) | |
1560 | mode = VPORT_MISS_MODE_ACCEPT_ALL; | |
1561 | } else if ((netdev->flags & IFF_ALLMULTI) || | |
1562 | (netdev_mc_count(netdev) > ahw->max_mc_count)) { | |
1563 | mode = VPORT_MISS_MODE_ACCEPT_MULTI; | |
74b7ba1a | 1564 | } else { |
fe79fabb | 1565 | qlcnic_vf_add_mc_list(netdev, bcast_addr, QLCNIC_BROADCAST_MAC); |
74b7ba1a | 1566 | if (!netdev_mc_empty(netdev)) { |
fe79fabb | 1567 | qlcnic_flush_mcast_mac(adapter); |
74b7ba1a | 1568 | netdev_for_each_mc_addr(ha, netdev) |
fe79fabb SS |
1569 | qlcnic_vf_add_mc_list(netdev, ha->addr, |
1570 | QLCNIC_MULTICAST_MAC); | |
74b7ba1a | 1571 | } |
154d0c81 MC |
1572 | } |
1573 | ||
d747c333 RB |
1574 | /* configure unicast MAC address, if there is not sufficient space |
1575 | * to store all the unicast addresses then enable promiscuous mode | |
1576 | */ | |
1577 | if (netdev_uc_count(netdev) > ahw->max_uc_count) { | |
1578 | mode = VPORT_MISS_MODE_ACCEPT_ALL; | |
1579 | } else if (!netdev_uc_empty(netdev)) { | |
1580 | netdev_for_each_uc_addr(ha, netdev) | |
fe79fabb SS |
1581 | qlcnic_vf_add_mc_list(netdev, ha->addr, |
1582 | QLCNIC_UNICAST_MAC); | |
d747c333 RB |
1583 | } |
1584 | ||
1585 | if (adapter->pdev->is_virtfn) { | |
1586 | if (mode == VPORT_MISS_MODE_ACCEPT_ALL && | |
1587 | !adapter->fdb_mac_learn) { | |
1588 | qlcnic_alloc_lb_filters_mem(adapter); | |
1589 | adapter->drv_mac_learn = 1; | |
1590 | adapter->rx_mac_learn = true; | |
1591 | } else { | |
1592 | adapter->drv_mac_learn = 0; | |
1593 | adapter->rx_mac_learn = false; | |
1594 | } | |
1595 | } | |
1596 | ||
154d0c81 | 1597 | qlcnic_nic_set_promisc(adapter, mode); |
e8b508ef RB |
1598 | } |
1599 | ||
74b7ba1a | 1600 | static void qlcnic_sriov_handle_async_issue_cmd(struct work_struct *work) |
e8b508ef | 1601 | { |
2b10d3ec MC |
1602 | struct qlcnic_async_cmd *entry, *tmp; |
1603 | struct qlcnic_back_channel *bc; | |
74b7ba1a | 1604 | struct qlcnic_cmd_args *cmd; |
2b10d3ec MC |
1605 | struct list_head *head; |
1606 | LIST_HEAD(del_list); | |
1607 | ||
1608 | bc = container_of(work, struct qlcnic_back_channel, vf_async_work); | |
1609 | head = &bc->async_cmd_list; | |
1610 | ||
1611 | spin_lock(&bc->queue_lock); | |
1612 | list_splice_init(head, &del_list); | |
1613 | spin_unlock(&bc->queue_lock); | |
1614 | ||
1615 | list_for_each_entry_safe(entry, tmp, &del_list, list) { | |
1616 | list_del(&entry->list); | |
1617 | cmd = entry->cmd; | |
1618 | __qlcnic_sriov_issue_cmd(bc->adapter, cmd); | |
1619 | kfree(entry); | |
1620 | } | |
1621 | ||
1622 | if (!list_empty(head)) | |
1623 | queue_work(bc->bc_async_wq, &bc->vf_async_work); | |
e8b508ef | 1624 | |
e8b508ef RB |
1625 | return; |
1626 | } | |
1627 | ||
2b10d3ec MC |
1628 | static struct qlcnic_async_cmd * |
1629 | qlcnic_sriov_alloc_async_cmd(struct qlcnic_back_channel *bc, | |
1630 | struct qlcnic_cmd_args *cmd) | |
e8b508ef | 1631 | { |
2b10d3ec | 1632 | struct qlcnic_async_cmd *entry = NULL; |
e8b508ef | 1633 | |
2b10d3ec MC |
1634 | entry = kzalloc(sizeof(*entry), GFP_ATOMIC); |
1635 | if (!entry) | |
1636 | return NULL; | |
e8b508ef | 1637 | |
2b10d3ec MC |
1638 | entry->cmd = cmd; |
1639 | ||
1640 | spin_lock(&bc->queue_lock); | |
1641 | list_add_tail(&entry->list, &bc->async_cmd_list); | |
1642 | spin_unlock(&bc->queue_lock); | |
e8b508ef RB |
1643 | |
1644 | return entry; | |
1645 | } | |
1646 | ||
74b7ba1a | 1647 | static void qlcnic_sriov_schedule_async_cmd(struct qlcnic_back_channel *bc, |
74b7ba1a | 1648 | struct qlcnic_cmd_args *cmd) |
e8b508ef | 1649 | { |
2b10d3ec | 1650 | struct qlcnic_async_cmd *entry = NULL; |
e8b508ef | 1651 | |
2b10d3ec MC |
1652 | entry = qlcnic_sriov_alloc_async_cmd(bc, cmd); |
1653 | if (!entry) { | |
1654 | qlcnic_free_mbx_args(cmd); | |
1655 | kfree(cmd); | |
e8b508ef | 1656 | return; |
2b10d3ec | 1657 | } |
e8b508ef | 1658 | |
2b10d3ec | 1659 | queue_work(bc->bc_async_wq, &bc->vf_async_work); |
e8b508ef RB |
1660 | } |
1661 | ||
74b7ba1a RB |
1662 | static int qlcnic_sriov_async_issue_cmd(struct qlcnic_adapter *adapter, |
1663 | struct qlcnic_cmd_args *cmd) | |
e8b508ef RB |
1664 | { |
1665 | ||
e8b508ef RB |
1666 | struct qlcnic_back_channel *bc = &adapter->ahw->sriov->bc; |
1667 | ||
f036e4f4 | 1668 | if (adapter->need_fw_reset) |
74b7ba1a | 1669 | return -EIO; |
f036e4f4 | 1670 | |
2b10d3ec MC |
1671 | qlcnic_sriov_schedule_async_cmd(bc, cmd); |
1672 | ||
74b7ba1a | 1673 | return 0; |
e8b508ef | 1674 | } |
f036e4f4 RB |
1675 | |
1676 | static int qlcnic_sriov_vf_reinit_driver(struct qlcnic_adapter *adapter) | |
1677 | { | |
1678 | int err; | |
1679 | ||
5c44bbda | 1680 | adapter->need_fw_reset = 0; |
91b86e3d | 1681 | qlcnic_83xx_reinit_mbx_work(adapter->ahw->mailbox); |
e5c4e6c6 | 1682 | qlcnic_83xx_enable_mbx_interrupt(adapter); |
f036e4f4 RB |
1683 | |
1684 | err = qlcnic_sriov_cfg_bc_intr(adapter, 1); | |
1685 | if (err) | |
1686 | return err; | |
1687 | ||
1688 | err = qlcnic_sriov_channel_cfg_cmd(adapter, QLCNIC_BC_CMD_CHANNEL_INIT); | |
1689 | if (err) | |
1690 | goto err_out_cleanup_bc_intr; | |
1691 | ||
1692 | err = qlcnic_sriov_vf_init_driver(adapter); | |
1693 | if (err) | |
1694 | goto err_out_term_channel; | |
1695 | ||
1696 | return 0; | |
1697 | ||
1698 | err_out_term_channel: | |
1699 | qlcnic_sriov_channel_cfg_cmd(adapter, QLCNIC_BC_CMD_CHANNEL_TERM); | |
1700 | ||
1701 | err_out_cleanup_bc_intr: | |
1702 | qlcnic_sriov_cfg_bc_intr(adapter, 0); | |
1703 | return err; | |
1704 | } | |
1705 | ||
1706 | static void qlcnic_sriov_vf_attach(struct qlcnic_adapter *adapter) | |
1707 | { | |
1708 | struct net_device *netdev = adapter->netdev; | |
1709 | ||
1710 | if (netif_running(netdev)) { | |
1711 | if (!qlcnic_up(adapter, netdev)) | |
1712 | qlcnic_restore_indev_addr(netdev, NETDEV_UP); | |
1713 | } | |
1714 | ||
1715 | netif_device_attach(netdev); | |
1716 | } | |
1717 | ||
1718 | static void qlcnic_sriov_vf_detach(struct qlcnic_adapter *adapter) | |
1719 | { | |
1720 | struct qlcnic_hardware_context *ahw = adapter->ahw; | |
1721 | struct qlcnic_intrpt_config *intr_tbl = ahw->intr_tbl; | |
1722 | struct net_device *netdev = adapter->netdev; | |
1723 | u8 i, max_ints = ahw->num_msix - 1; | |
1724 | ||
f036e4f4 | 1725 | netif_device_detach(netdev); |
068a8d19 MC |
1726 | qlcnic_83xx_detach_mailbox_work(adapter); |
1727 | qlcnic_83xx_disable_mbx_intr(adapter); | |
1728 | ||
f036e4f4 RB |
1729 | if (netif_running(netdev)) |
1730 | qlcnic_down(adapter, netdev); | |
1731 | ||
1732 | for (i = 0; i < max_ints; i++) { | |
1733 | intr_tbl[i].id = i; | |
1734 | intr_tbl[i].enabled = 0; | |
1735 | intr_tbl[i].src = 0; | |
1736 | } | |
1737 | ahw->reset_context = 0; | |
1738 | } | |
1739 | ||
1740 | static int qlcnic_sriov_vf_handle_dev_ready(struct qlcnic_adapter *adapter) | |
1741 | { | |
1742 | struct qlcnic_hardware_context *ahw = adapter->ahw; | |
1743 | struct device *dev = &adapter->pdev->dev; | |
1744 | struct qlc_83xx_idc *idc = &ahw->idc; | |
1745 | u8 func = ahw->pci_func; | |
1746 | u32 state; | |
1747 | ||
1748 | if ((idc->prev_state == QLC_83XX_IDC_DEV_NEED_RESET) || | |
1749 | (idc->prev_state == QLC_83XX_IDC_DEV_INIT)) { | |
1750 | if (!qlcnic_sriov_vf_reinit_driver(adapter)) { | |
1751 | qlcnic_sriov_vf_attach(adapter); | |
1752 | adapter->fw_fail_cnt = 0; | |
1753 | dev_info(dev, | |
8b513d0c | 1754 | "%s: Reinitialization of VF 0x%x done after FW reset\n", |
f036e4f4 RB |
1755 | __func__, func); |
1756 | } else { | |
1757 | dev_err(dev, | |
1758 | "%s: Reinitialization of VF 0x%x failed after FW reset\n", | |
1759 | __func__, func); | |
1760 | state = QLCRDX(ahw, QLC_83XX_IDC_DEV_STATE); | |
1761 | dev_info(dev, "Current state 0x%x after FW reset\n", | |
1762 | state); | |
1763 | } | |
1764 | } | |
1765 | ||
1766 | return 0; | |
1767 | } | |
1768 | ||
1769 | static int qlcnic_sriov_vf_handle_context_reset(struct qlcnic_adapter *adapter) | |
1770 | { | |
1771 | struct qlcnic_hardware_context *ahw = adapter->ahw; | |
068a8d19 | 1772 | struct qlcnic_mailbox *mbx = ahw->mailbox; |
f036e4f4 RB |
1773 | struct device *dev = &adapter->pdev->dev; |
1774 | struct qlc_83xx_idc *idc = &ahw->idc; | |
1775 | u8 func = ahw->pci_func; | |
1776 | u32 state; | |
1777 | ||
1778 | adapter->reset_ctx_cnt++; | |
1779 | ||
1780 | /* Skip the context reset and check if FW is hung */ | |
1781 | if (adapter->reset_ctx_cnt < 3) { | |
1782 | adapter->need_fw_reset = 1; | |
068a8d19 | 1783 | clear_bit(QLC_83XX_MBX_READY, &mbx->status); |
f036e4f4 RB |
1784 | dev_info(dev, |
1785 | "Resetting context, wait here to check if FW is in failed state\n"); | |
1786 | return 0; | |
1787 | } | |
1788 | ||
1789 | /* Check if number of resets exceed the threshold. | |
1790 | * If it exceeds the threshold just fail the VF. | |
1791 | */ | |
1792 | if (adapter->reset_ctx_cnt > QLC_83XX_VF_RESET_FAIL_THRESH) { | |
1793 | clear_bit(QLC_83XX_MODULE_LOADED, &idc->status); | |
1794 | adapter->tx_timeo_cnt = 0; | |
1795 | adapter->fw_fail_cnt = 0; | |
1796 | adapter->reset_ctx_cnt = 0; | |
1797 | qlcnic_sriov_vf_detach(adapter); | |
1798 | dev_err(dev, | |
1799 | "Device context resets have exceeded the threshold, device interface will be shutdown\n"); | |
1800 | return -EIO; | |
1801 | } | |
1802 | ||
1803 | dev_info(dev, "Resetting context of VF 0x%x\n", func); | |
1804 | dev_info(dev, "%s: Context reset count %d for VF 0x%x\n", | |
1805 | __func__, adapter->reset_ctx_cnt, func); | |
1806 | set_bit(__QLCNIC_RESETTING, &adapter->state); | |
1807 | adapter->need_fw_reset = 1; | |
068a8d19 | 1808 | clear_bit(QLC_83XX_MBX_READY, &mbx->status); |
f036e4f4 RB |
1809 | qlcnic_sriov_vf_detach(adapter); |
1810 | adapter->need_fw_reset = 0; | |
1811 | ||
1812 | if (!qlcnic_sriov_vf_reinit_driver(adapter)) { | |
1813 | qlcnic_sriov_vf_attach(adapter); | |
f036e4f4 RB |
1814 | adapter->tx_timeo_cnt = 0; |
1815 | adapter->reset_ctx_cnt = 0; | |
1816 | adapter->fw_fail_cnt = 0; | |
1817 | dev_info(dev, "Done resetting context for VF 0x%x\n", func); | |
1818 | } else { | |
1819 | dev_err(dev, "%s: Reinitialization of VF 0x%x failed\n", | |
1820 | __func__, func); | |
1821 | state = QLCRDX(ahw, QLC_83XX_IDC_DEV_STATE); | |
1822 | dev_info(dev, "%s: Current state 0x%x\n", __func__, state); | |
1823 | } | |
1824 | ||
1825 | return 0; | |
1826 | } | |
1827 | ||
1828 | static int qlcnic_sriov_vf_idc_ready_state(struct qlcnic_adapter *adapter) | |
1829 | { | |
1830 | struct qlcnic_hardware_context *ahw = adapter->ahw; | |
1831 | int ret = 0; | |
1832 | ||
1833 | if (ahw->idc.prev_state != QLC_83XX_IDC_DEV_READY) | |
1834 | ret = qlcnic_sriov_vf_handle_dev_ready(adapter); | |
1835 | else if (ahw->reset_context) | |
1836 | ret = qlcnic_sriov_vf_handle_context_reset(adapter); | |
1837 | ||
1838 | clear_bit(__QLCNIC_RESETTING, &adapter->state); | |
1839 | return ret; | |
1840 | } | |
1841 | ||
1842 | static int qlcnic_sriov_vf_idc_failed_state(struct qlcnic_adapter *adapter) | |
1843 | { | |
1844 | struct qlc_83xx_idc *idc = &adapter->ahw->idc; | |
1845 | ||
1846 | dev_err(&adapter->pdev->dev, "Device is in failed state\n"); | |
1847 | if (idc->prev_state == QLC_83XX_IDC_DEV_READY) | |
1848 | qlcnic_sriov_vf_detach(adapter); | |
1849 | ||
1850 | clear_bit(QLC_83XX_MODULE_LOADED, &idc->status); | |
1851 | clear_bit(__QLCNIC_RESETTING, &adapter->state); | |
1852 | return -EIO; | |
1853 | } | |
1854 | ||
1855 | static int | |
1856 | qlcnic_sriov_vf_idc_need_quiescent_state(struct qlcnic_adapter *adapter) | |
1857 | { | |
068a8d19 | 1858 | struct qlcnic_mailbox *mbx = adapter->ahw->mailbox; |
f036e4f4 RB |
1859 | struct qlc_83xx_idc *idc = &adapter->ahw->idc; |
1860 | ||
1861 | dev_info(&adapter->pdev->dev, "Device is in quiescent state\n"); | |
1862 | if (idc->prev_state == QLC_83XX_IDC_DEV_READY) { | |
1863 | set_bit(__QLCNIC_RESETTING, &adapter->state); | |
1864 | adapter->tx_timeo_cnt = 0; | |
1865 | adapter->reset_ctx_cnt = 0; | |
068a8d19 | 1866 | clear_bit(QLC_83XX_MBX_READY, &mbx->status); |
f036e4f4 RB |
1867 | qlcnic_sriov_vf_detach(adapter); |
1868 | } | |
1869 | ||
1870 | return 0; | |
1871 | } | |
1872 | ||
1873 | static int qlcnic_sriov_vf_idc_init_reset_state(struct qlcnic_adapter *adapter) | |
1874 | { | |
068a8d19 | 1875 | struct qlcnic_mailbox *mbx = adapter->ahw->mailbox; |
f036e4f4 RB |
1876 | struct qlc_83xx_idc *idc = &adapter->ahw->idc; |
1877 | u8 func = adapter->ahw->pci_func; | |
1878 | ||
1879 | if (idc->prev_state == QLC_83XX_IDC_DEV_READY) { | |
1880 | dev_err(&adapter->pdev->dev, | |
1881 | "Firmware hang detected by VF 0x%x\n", func); | |
1882 | set_bit(__QLCNIC_RESETTING, &adapter->state); | |
1883 | adapter->tx_timeo_cnt = 0; | |
1884 | adapter->reset_ctx_cnt = 0; | |
068a8d19 | 1885 | clear_bit(QLC_83XX_MBX_READY, &mbx->status); |
f036e4f4 RB |
1886 | qlcnic_sriov_vf_detach(adapter); |
1887 | } | |
1888 | return 0; | |
1889 | } | |
1890 | ||
1891 | static int qlcnic_sriov_vf_idc_unknown_state(struct qlcnic_adapter *adapter) | |
1892 | { | |
1893 | dev_err(&adapter->pdev->dev, "%s: Device in unknown state\n", __func__); | |
1894 | return 0; | |
1895 | } | |
1896 | ||
d747c333 RB |
1897 | static void qlcnic_sriov_vf_periodic_tasks(struct qlcnic_adapter *adapter) |
1898 | { | |
1899 | if (adapter->fhash.fnum) | |
1900 | qlcnic_prune_lb_filters(adapter); | |
1901 | } | |
1902 | ||
f036e4f4 RB |
1903 | static void qlcnic_sriov_vf_poll_dev_state(struct work_struct *work) |
1904 | { | |
1905 | struct qlcnic_adapter *adapter; | |
1906 | struct qlc_83xx_idc *idc; | |
1907 | int ret = 0; | |
1908 | ||
1909 | adapter = container_of(work, struct qlcnic_adapter, fw_work.work); | |
1910 | idc = &adapter->ahw->idc; | |
1911 | idc->curr_state = QLCRDX(adapter->ahw, QLC_83XX_IDC_DEV_STATE); | |
1912 | ||
1913 | switch (idc->curr_state) { | |
1914 | case QLC_83XX_IDC_DEV_READY: | |
1915 | ret = qlcnic_sriov_vf_idc_ready_state(adapter); | |
1916 | break; | |
1917 | case QLC_83XX_IDC_DEV_NEED_RESET: | |
1918 | case QLC_83XX_IDC_DEV_INIT: | |
1919 | ret = qlcnic_sriov_vf_idc_init_reset_state(adapter); | |
1920 | break; | |
1921 | case QLC_83XX_IDC_DEV_NEED_QUISCENT: | |
1922 | ret = qlcnic_sriov_vf_idc_need_quiescent_state(adapter); | |
1923 | break; | |
1924 | case QLC_83XX_IDC_DEV_FAILED: | |
1925 | ret = qlcnic_sriov_vf_idc_failed_state(adapter); | |
1926 | break; | |
1927 | case QLC_83XX_IDC_DEV_QUISCENT: | |
1928 | break; | |
1929 | default: | |
1930 | ret = qlcnic_sriov_vf_idc_unknown_state(adapter); | |
1931 | } | |
1932 | ||
1933 | idc->prev_state = idc->curr_state; | |
d747c333 RB |
1934 | qlcnic_sriov_vf_periodic_tasks(adapter); |
1935 | ||
f036e4f4 RB |
1936 | if (!ret && test_bit(QLC_83XX_MODULE_LOADED, &idc->status)) |
1937 | qlcnic_schedule_work(adapter, qlcnic_sriov_vf_poll_dev_state, | |
1938 | idc->delay); | |
1939 | } | |
1940 | ||
1941 | static void qlcnic_sriov_vf_cancel_fw_work(struct qlcnic_adapter *adapter) | |
1942 | { | |
1943 | while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) | |
1944 | msleep(20); | |
1945 | ||
1946 | clear_bit(QLC_83XX_MODULE_LOADED, &adapter->ahw->idc.status); | |
1947 | clear_bit(__QLCNIC_RESETTING, &adapter->state); | |
1948 | cancel_delayed_work_sync(&adapter->fw_work); | |
1949 | } | |
91b7282b | 1950 | |
154d0c81 MC |
1951 | static int qlcnic_sriov_check_vlan_id(struct qlcnic_sriov *sriov, |
1952 | struct qlcnic_vf_info *vf, u16 vlan_id) | |
1953 | { | |
1954 | int i, err = -EINVAL; | |
1955 | ||
1956 | if (!vf->sriov_vlans) | |
1957 | return err; | |
1958 | ||
74b7ba1a | 1959 | spin_lock_bh(&vf->vlan_list_lock); |
154d0c81 MC |
1960 | |
1961 | for (i = 0; i < sriov->num_allowed_vlans; i++) { | |
1962 | if (vf->sriov_vlans[i] == vlan_id) { | |
1963 | err = 0; | |
1964 | break; | |
1965 | } | |
1966 | } | |
1967 | ||
74b7ba1a | 1968 | spin_unlock_bh(&vf->vlan_list_lock); |
154d0c81 MC |
1969 | return err; |
1970 | } | |
1971 | ||
1972 | static int qlcnic_sriov_validate_num_vlans(struct qlcnic_sriov *sriov, | |
1973 | struct qlcnic_vf_info *vf) | |
1974 | { | |
1975 | int err = 0; | |
1976 | ||
74b7ba1a | 1977 | spin_lock_bh(&vf->vlan_list_lock); |
154d0c81 MC |
1978 | |
1979 | if (vf->num_vlan >= sriov->num_allowed_vlans) | |
1980 | err = -EINVAL; | |
1981 | ||
74b7ba1a | 1982 | spin_unlock_bh(&vf->vlan_list_lock); |
154d0c81 MC |
1983 | return err; |
1984 | } | |
1985 | ||
1986 | static int qlcnic_sriov_validate_vlan_cfg(struct qlcnic_adapter *adapter, | |
91b7282b RB |
1987 | u16 vid, u8 enable) |
1988 | { | |
154d0c81 MC |
1989 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
1990 | struct qlcnic_vf_info *vf; | |
1991 | bool vlan_exist; | |
91b7282b RB |
1992 | u8 allowed = 0; |
1993 | int i; | |
1994 | ||
154d0c81 MC |
1995 | vf = &adapter->ahw->sriov->vf_info[0]; |
1996 | vlan_exist = qlcnic_sriov_check_any_vlan(vf); | |
91b7282b RB |
1997 | if (sriov->vlan_mode != QLC_GUEST_VLAN_MODE) |
1998 | return -EINVAL; | |
1999 | ||
2000 | if (enable) { | |
154d0c81 MC |
2001 | if (qlcnic_83xx_vf_check(adapter) && vlan_exist) |
2002 | return -EINVAL; | |
2003 | ||
2004 | if (qlcnic_sriov_validate_num_vlans(sriov, vf)) | |
91b7282b RB |
2005 | return -EINVAL; |
2006 | ||
2007 | if (sriov->any_vlan) { | |
2008 | for (i = 0; i < sriov->num_allowed_vlans; i++) { | |
2009 | if (sriov->allowed_vlans[i] == vid) | |
2010 | allowed = 1; | |
2011 | } | |
2012 | ||
2013 | if (!allowed) | |
2014 | return -EINVAL; | |
2015 | } | |
2016 | } else { | |
154d0c81 | 2017 | if (!vlan_exist || qlcnic_sriov_check_vlan_id(sriov, vf, vid)) |
91b7282b RB |
2018 | return -EINVAL; |
2019 | } | |
2020 | ||
2021 | return 0; | |
2022 | } | |
2023 | ||
154d0c81 MC |
2024 | static void qlcnic_sriov_vlan_operation(struct qlcnic_vf_info *vf, u16 vlan_id, |
2025 | enum qlcnic_vlan_operations opcode) | |
2026 | { | |
2027 | struct qlcnic_adapter *adapter = vf->adapter; | |
2028 | struct qlcnic_sriov *sriov; | |
2029 | ||
2030 | sriov = adapter->ahw->sriov; | |
2031 | ||
2032 | if (!vf->sriov_vlans) | |
2033 | return; | |
2034 | ||
74b7ba1a | 2035 | spin_lock_bh(&vf->vlan_list_lock); |
154d0c81 MC |
2036 | |
2037 | switch (opcode) { | |
2038 | case QLC_VLAN_ADD: | |
2039 | qlcnic_sriov_add_vlan_id(sriov, vf, vlan_id); | |
2040 | break; | |
2041 | case QLC_VLAN_DELETE: | |
2042 | qlcnic_sriov_del_vlan_id(sriov, vf, vlan_id); | |
2043 | break; | |
2044 | default: | |
2045 | netdev_err(adapter->netdev, "Invalid VLAN operation\n"); | |
2046 | } | |
2047 | ||
74b7ba1a | 2048 | spin_unlock_bh(&vf->vlan_list_lock); |
154d0c81 MC |
2049 | return; |
2050 | } | |
2051 | ||
91b7282b RB |
2052 | int qlcnic_sriov_cfg_vf_guest_vlan(struct qlcnic_adapter *adapter, |
2053 | u16 vid, u8 enable) | |
2054 | { | |
2055 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; | |
74b7ba1a | 2056 | struct net_device *netdev = adapter->netdev; |
154d0c81 | 2057 | struct qlcnic_vf_info *vf; |
91b7282b RB |
2058 | struct qlcnic_cmd_args cmd; |
2059 | int ret; | |
2060 | ||
c5316920 | 2061 | memset(&cmd, 0, sizeof(cmd)); |
91b7282b RB |
2062 | if (vid == 0) |
2063 | return 0; | |
2064 | ||
154d0c81 MC |
2065 | vf = &adapter->ahw->sriov->vf_info[0]; |
2066 | ret = qlcnic_sriov_validate_vlan_cfg(adapter, vid, enable); | |
91b7282b RB |
2067 | if (ret) |
2068 | return ret; | |
2069 | ||
2070 | ret = qlcnic_sriov_alloc_bc_mbx_args(&cmd, | |
2071 | QLCNIC_BC_CMD_CFG_GUEST_VLAN); | |
2072 | if (ret) | |
2073 | return ret; | |
2074 | ||
2075 | cmd.req.arg[1] = (enable & 1) | vid << 16; | |
2076 | ||
2077 | qlcnic_sriov_cleanup_async_list(&sriov->bc); | |
2078 | ret = qlcnic_issue_cmd(adapter, &cmd); | |
2079 | if (ret) { | |
2080 | dev_err(&adapter->pdev->dev, | |
2081 | "Failed to configure guest VLAN, err=%d\n", ret); | |
2082 | } else { | |
74b7ba1a | 2083 | netif_addr_lock_bh(netdev); |
91b7282b | 2084 | qlcnic_free_mac_list(adapter); |
74b7ba1a | 2085 | netif_addr_unlock_bh(netdev); |
91b7282b RB |
2086 | |
2087 | if (enable) | |
154d0c81 | 2088 | qlcnic_sriov_vlan_operation(vf, vid, QLC_VLAN_ADD); |
91b7282b | 2089 | else |
154d0c81 | 2090 | qlcnic_sriov_vlan_operation(vf, vid, QLC_VLAN_DELETE); |
91b7282b | 2091 | |
74b7ba1a RB |
2092 | netif_addr_lock_bh(netdev); |
2093 | qlcnic_set_multi(netdev); | |
2094 | netif_addr_unlock_bh(netdev); | |
91b7282b RB |
2095 | } |
2096 | ||
2097 | qlcnic_free_mbx_args(&cmd); | |
2098 | return ret; | |
2099 | } | |
2100 | ||
2101 | static void qlcnic_sriov_vf_free_mac_list(struct qlcnic_adapter *adapter) | |
2102 | { | |
2103 | struct list_head *head = &adapter->mac_list; | |
154d0c81 | 2104 | struct qlcnic_mac_vlan_list *cur; |
91b7282b RB |
2105 | |
2106 | while (!list_empty(head)) { | |
154d0c81 MC |
2107 | cur = list_entry(head->next, struct qlcnic_mac_vlan_list, list); |
2108 | qlcnic_sre_macaddr_change(adapter, cur->mac_addr, cur->vlan_id, | |
2109 | QLCNIC_MAC_DEL); | |
91b7282b RB |
2110 | list_del(&cur->list); |
2111 | kfree(cur); | |
2112 | } | |
2113 | } | |
486a5bc7 | 2114 | |
154d0c81 | 2115 | |
21041400 | 2116 | static int qlcnic_sriov_vf_shutdown(struct pci_dev *pdev) |
486a5bc7 RB |
2117 | { |
2118 | struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); | |
2119 | struct net_device *netdev = adapter->netdev; | |
2120 | int retval; | |
2121 | ||
2122 | netif_device_detach(netdev); | |
2123 | qlcnic_cancel_idc_work(adapter); | |
2124 | ||
2125 | if (netif_running(netdev)) | |
2126 | qlcnic_down(adapter, netdev); | |
2127 | ||
2128 | qlcnic_sriov_channel_cfg_cmd(adapter, QLCNIC_BC_CMD_CHANNEL_TERM); | |
2129 | qlcnic_sriov_cfg_bc_intr(adapter, 0); | |
2130 | qlcnic_83xx_disable_mbx_intr(adapter); | |
2131 | cancel_delayed_work_sync(&adapter->idc_aen_work); | |
2132 | ||
2133 | retval = pci_save_state(pdev); | |
2134 | if (retval) | |
2135 | return retval; | |
2136 | ||
2137 | return 0; | |
2138 | } | |
2139 | ||
21041400 | 2140 | static int qlcnic_sriov_vf_resume(struct qlcnic_adapter *adapter) |
486a5bc7 RB |
2141 | { |
2142 | struct qlc_83xx_idc *idc = &adapter->ahw->idc; | |
2143 | struct net_device *netdev = adapter->netdev; | |
2144 | int err; | |
2145 | ||
2146 | set_bit(QLC_83XX_MODULE_LOADED, &idc->status); | |
e5c4e6c6 | 2147 | qlcnic_83xx_enable_mbx_interrupt(adapter); |
486a5bc7 RB |
2148 | err = qlcnic_sriov_cfg_bc_intr(adapter, 1); |
2149 | if (err) | |
2150 | return err; | |
2151 | ||
2152 | err = qlcnic_sriov_channel_cfg_cmd(adapter, QLCNIC_BC_CMD_CHANNEL_INIT); | |
2153 | if (!err) { | |
2154 | if (netif_running(netdev)) { | |
2155 | err = qlcnic_up(adapter, netdev); | |
2156 | if (!err) | |
2157 | qlcnic_restore_indev_addr(netdev, NETDEV_UP); | |
2158 | } | |
2159 | } | |
2160 | ||
2161 | netif_device_attach(netdev); | |
2162 | qlcnic_schedule_work(adapter, qlcnic_sriov_vf_poll_dev_state, | |
2163 | idc->delay); | |
2164 | return err; | |
2165 | } | |
154d0c81 MC |
2166 | |
2167 | void qlcnic_sriov_alloc_vlans(struct qlcnic_adapter *adapter) | |
2168 | { | |
2169 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; | |
2170 | struct qlcnic_vf_info *vf; | |
2171 | int i; | |
2172 | ||
2173 | for (i = 0; i < sriov->num_vfs; i++) { | |
2174 | vf = &sriov->vf_info[i]; | |
2175 | vf->sriov_vlans = kcalloc(sriov->num_allowed_vlans, | |
2176 | sizeof(*vf->sriov_vlans), GFP_KERNEL); | |
2177 | } | |
2178 | } | |
2179 | ||
2180 | void qlcnic_sriov_free_vlans(struct qlcnic_adapter *adapter) | |
2181 | { | |
2182 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; | |
2183 | struct qlcnic_vf_info *vf; | |
2184 | int i; | |
2185 | ||
2186 | for (i = 0; i < sriov->num_vfs; i++) { | |
2187 | vf = &sriov->vf_info[i]; | |
2188 | kfree(vf->sriov_vlans); | |
2189 | vf->sriov_vlans = NULL; | |
2190 | } | |
2191 | } | |
2192 | ||
2193 | void qlcnic_sriov_add_vlan_id(struct qlcnic_sriov *sriov, | |
2194 | struct qlcnic_vf_info *vf, u16 vlan_id) | |
2195 | { | |
2196 | int i; | |
2197 | ||
2198 | for (i = 0; i < sriov->num_allowed_vlans; i++) { | |
2199 | if (!vf->sriov_vlans[i]) { | |
2200 | vf->sriov_vlans[i] = vlan_id; | |
2201 | vf->num_vlan++; | |
2202 | return; | |
2203 | } | |
2204 | } | |
2205 | } | |
2206 | ||
2207 | void qlcnic_sriov_del_vlan_id(struct qlcnic_sriov *sriov, | |
2208 | struct qlcnic_vf_info *vf, u16 vlan_id) | |
2209 | { | |
2210 | int i; | |
2211 | ||
2212 | for (i = 0; i < sriov->num_allowed_vlans; i++) { | |
2213 | if (vf->sriov_vlans[i] == vlan_id) { | |
2214 | vf->sriov_vlans[i] = 0; | |
2215 | vf->num_vlan--; | |
2216 | return; | |
2217 | } | |
2218 | } | |
2219 | } | |
2220 | ||
2221 | bool qlcnic_sriov_check_any_vlan(struct qlcnic_vf_info *vf) | |
2222 | { | |
2223 | bool err = false; | |
2224 | ||
74b7ba1a | 2225 | spin_lock_bh(&vf->vlan_list_lock); |
154d0c81 MC |
2226 | |
2227 | if (vf->num_vlan) | |
2228 | err = true; | |
2229 | ||
74b7ba1a | 2230 | spin_unlock_bh(&vf->vlan_list_lock); |
154d0c81 MC |
2231 | return err; |
2232 | } |