1 | // SPDX-License-Identifier: GPL-2.0-only |
2 | /* |
3 | * QLogic qlcnic NIC Driver |
4 | * Copyright (c) 2009-2013 QLogic Corporation |
5 | */ |
6 | |
7 | #include <linux/types.h> |
8 | |
9 | #include "qlcnic_sriov.h" |
10 | #include "qlcnic.h" |
11 | |
12 | #define QLCNIC_SRIOV_VF_MAX_MAC 7 |
13 | #define QLC_VF_MIN_TX_RATE 100 |
14 | #define QLC_VF_MAX_TX_RATE 9999 |
15 | #define QLC_MAC_OPCODE_MASK 0x7 |
16 | #define QLC_VF_FLOOD_BIT BIT_16 |
17 | #define QLC_FLOOD_MODE 0x5 |
18 | #define QLC_SRIOV_ALLOW_VLAN0 BIT_19 |
19 | #define QLC_INTR_COAL_TYPE_MASK 0x7 |
20 | |
21 | static int qlcnic_sriov_pf_get_vport_handle(struct qlcnic_adapter *, u8); |
22 | |
23 | struct qlcnic_sriov_cmd_handler { |
24 | int (*fn) (struct qlcnic_bc_trans *, struct qlcnic_cmd_args *); |
25 | }; |
26 | |
27 | struct qlcnic_sriov_fw_cmd_handler { |
28 | u32 cmd; |
29 | int (*fn) (struct qlcnic_bc_trans *, struct qlcnic_cmd_args *); |
30 | }; |
31 | |
32 | static int qlcnic_sriov_pf_set_vport_info(struct qlcnic_adapter *adapter, |
33 | struct qlcnic_info *npar_info, |
34 | u16 vport_id) |
35 | { |
36 | struct qlcnic_cmd_args cmd; |
37 | int err; |
38 | |
39 | if (qlcnic_alloc_mbx_args(mbx: &cmd, adapter, QLCNIC_CMD_SET_NIC_INFO)) |
40 | return -ENOMEM; |
41 | |
42 | cmd.req.arg[1] = (vport_id << 16) | 0x1; |
43 | cmd.req.arg[2] = npar_info->bit_offsets; |
44 | cmd.req.arg[2] |= npar_info->min_tx_bw << 16; |
45 | cmd.req.arg[3] = npar_info->max_tx_bw | (npar_info->max_tx_ques << 16); |
46 | cmd.req.arg[4] = npar_info->max_tx_mac_filters; |
47 | cmd.req.arg[4] |= npar_info->max_rx_mcast_mac_filters << 16; |
48 | cmd.req.arg[5] = npar_info->max_rx_ucast_mac_filters | |
49 | (npar_info->max_rx_ip_addr << 16); |
50 | cmd.req.arg[6] = npar_info->max_rx_lro_flow | |
51 | (npar_info->max_rx_status_rings << 16); |
52 | cmd.req.arg[7] = npar_info->max_rx_buf_rings | |
53 | (npar_info->max_rx_ques << 16); |
54 | cmd.req.arg[8] = npar_info->max_tx_vlan_keys; |
55 | cmd.req.arg[8] |= npar_info->max_local_ipv6_addrs << 16; |
56 | cmd.req.arg[9] = npar_info->max_remote_ipv6_addrs; |
57 | |
58 | err = qlcnic_issue_cmd(adapter, cmd: &cmd); |
59 | if (err) |
60 | dev_err(&adapter->pdev->dev, |
61 | "Failed to set vport info, err=%d\n" , err); |
62 | |
63 | qlcnic_free_mbx_args(cmd: &cmd); |
64 | return err; |
65 | } |
66 | |
67 | static int qlcnic_sriov_pf_cal_res_limit(struct qlcnic_adapter *adapter, |
68 | struct qlcnic_info *info, u16 func) |
69 | { |
70 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
71 | struct qlcnic_resources *res = &sriov->ff_max; |
72 | u16 num_macs = sriov->num_allowed_vlans + 1; |
73 | int ret = -EIO, vpid, id; |
74 | struct qlcnic_vport *vp; |
75 | u32 num_vfs, max, temp; |
76 | |
77 | vpid = qlcnic_sriov_pf_get_vport_handle(adapter, func); |
78 | if (vpid < 0) |
79 | return -EINVAL; |
80 | |
81 | num_vfs = sriov->num_vfs; |
82 | max = num_vfs + 1; |
83 | info->bit_offsets = 0xffff; |
84 | info->max_tx_ques = res->num_tx_queues / max; |
85 | |
86 | if (qlcnic_83xx_pf_check(adapter)) |
87 | num_macs = QLCNIC_83XX_SRIOV_VF_MAX_MAC; |
88 | |
89 | info->max_rx_mcast_mac_filters = res->num_rx_mcast_mac_filters; |
90 | |
91 | if (adapter->ahw->pci_func == func) { |
92 | info->min_tx_bw = 0; |
93 | info->max_tx_bw = MAX_BW; |
94 | |
95 | temp = res->num_rx_ucast_mac_filters - num_macs * num_vfs; |
96 | info->max_rx_ucast_mac_filters = temp; |
97 | temp = res->num_tx_mac_filters - num_macs * num_vfs; |
98 | info->max_tx_mac_filters = temp; |
99 | temp = num_macs * num_vfs * QLCNIC_SRIOV_VF_MAX_MAC; |
100 | temp = res->num_rx_mcast_mac_filters - temp; |
101 | info->max_rx_mcast_mac_filters = temp; |
102 | |
103 | info->max_tx_ques = res->num_tx_queues - sriov->num_vfs; |
104 | } else { |
105 | id = qlcnic_sriov_func_to_index(adapter, func); |
106 | if (id < 0) |
107 | return id; |
108 | vp = sriov->vf_info[id].vp; |
109 | info->min_tx_bw = vp->min_tx_bw; |
110 | info->max_tx_bw = vp->max_tx_bw; |
111 | |
112 | info->max_rx_ucast_mac_filters = num_macs; |
113 | info->max_tx_mac_filters = num_macs; |
114 | temp = num_macs * QLCNIC_SRIOV_VF_MAX_MAC; |
115 | info->max_rx_mcast_mac_filters = temp; |
116 | |
117 | info->max_tx_ques = QLCNIC_SINGLE_RING; |
118 | } |
119 | |
120 | info->max_rx_ip_addr = res->num_destip / max; |
121 | info->max_rx_status_rings = res->num_rx_status_rings / max; |
122 | info->max_rx_buf_rings = res->num_rx_buf_rings / max; |
123 | info->max_rx_ques = res->num_rx_queues / max; |
124 | info->max_rx_lro_flow = res->num_lro_flows_supported / max; |
125 | info->max_tx_vlan_keys = res->num_txvlan_keys; |
126 | info->max_local_ipv6_addrs = res->max_local_ipv6_addrs; |
127 | info->max_remote_ipv6_addrs = res->max_remote_ipv6_addrs; |
128 | |
129 | ret = qlcnic_sriov_pf_set_vport_info(adapter, npar_info: info, vport_id: vpid); |
130 | if (ret) |
131 | return ret; |
132 | |
133 | return 0; |
134 | } |
135 | |
136 | static void qlcnic_sriov_pf_set_ff_max_res(struct qlcnic_adapter *adapter, |
137 | struct qlcnic_info *info) |
138 | { |
139 | struct qlcnic_resources *ff_max = &adapter->ahw->sriov->ff_max; |
140 | |
141 | ff_max->num_tx_mac_filters = info->max_tx_mac_filters; |
142 | ff_max->num_rx_ucast_mac_filters = info->max_rx_ucast_mac_filters; |
143 | ff_max->num_rx_mcast_mac_filters = info->max_rx_mcast_mac_filters; |
144 | ff_max->num_txvlan_keys = info->max_tx_vlan_keys; |
145 | ff_max->num_rx_queues = info->max_rx_ques; |
146 | ff_max->num_tx_queues = info->max_tx_ques; |
147 | ff_max->num_lro_flows_supported = info->max_rx_lro_flow; |
148 | ff_max->num_destip = info->max_rx_ip_addr; |
149 | ff_max->num_rx_buf_rings = info->max_rx_buf_rings; |
150 | ff_max->num_rx_status_rings = info->max_rx_status_rings; |
151 | ff_max->max_remote_ipv6_addrs = info->max_remote_ipv6_addrs; |
152 | ff_max->max_local_ipv6_addrs = info->max_local_ipv6_addrs; |
153 | } |
154 | |
155 | static void qlcnic_sriov_set_vf_max_vlan(struct qlcnic_adapter *adapter, |
156 | struct qlcnic_info *npar_info) |
157 | { |
158 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
159 | int temp, total_fn; |
160 | |
161 | temp = npar_info->max_rx_mcast_mac_filters; |
162 | total_fn = sriov->num_vfs + 1; |
163 | |
164 | temp = temp / (QLCNIC_SRIOV_VF_MAX_MAC * total_fn); |
165 | sriov->num_allowed_vlans = temp - 1; |
166 | |
167 | if (qlcnic_83xx_pf_check(adapter)) |
168 | sriov->num_allowed_vlans = 1; |
169 | |
170 | netdev_info(dev: adapter->netdev, format: "Max Guest VLANs supported per VF = %d\n" , |
171 | sriov->num_allowed_vlans); |
172 | } |
173 | |
174 | static int qlcnic_sriov_get_pf_info(struct qlcnic_adapter *adapter, |
175 | struct qlcnic_info *npar_info) |
176 | { |
177 | int err; |
178 | struct qlcnic_cmd_args cmd; |
179 | |
180 | if (qlcnic_alloc_mbx_args(mbx: &cmd, adapter, QLCNIC_CMD_GET_NIC_INFO)) |
181 | return -ENOMEM; |
182 | |
183 | cmd.req.arg[1] = 0x2; |
184 | err = qlcnic_issue_cmd(adapter, cmd: &cmd); |
185 | if (err) { |
186 | dev_err(&adapter->pdev->dev, |
187 | "Failed to get PF info, err=%d\n" , err); |
188 | goto out; |
189 | } |
190 | |
191 | npar_info->total_pf = cmd.rsp.arg[2] & 0xff; |
192 | npar_info->total_rss_engines = (cmd.rsp.arg[2] >> 8) & 0xff; |
193 | npar_info->max_vports = MSW(cmd.rsp.arg[2]); |
194 | npar_info->max_tx_ques = LSW(cmd.rsp.arg[3]); |
195 | npar_info->max_tx_mac_filters = MSW(cmd.rsp.arg[3]); |
196 | npar_info->max_rx_mcast_mac_filters = LSW(cmd.rsp.arg[4]); |
197 | npar_info->max_rx_ucast_mac_filters = MSW(cmd.rsp.arg[4]); |
198 | npar_info->max_rx_ip_addr = LSW(cmd.rsp.arg[5]); |
199 | npar_info->max_rx_lro_flow = MSW(cmd.rsp.arg[5]); |
200 | npar_info->max_rx_status_rings = LSW(cmd.rsp.arg[6]); |
201 | npar_info->max_rx_buf_rings = MSW(cmd.rsp.arg[6]); |
202 | npar_info->max_rx_ques = LSW(cmd.rsp.arg[7]); |
203 | npar_info->max_tx_vlan_keys = MSW(cmd.rsp.arg[7]); |
204 | npar_info->max_local_ipv6_addrs = LSW(cmd.rsp.arg[8]); |
205 | npar_info->max_remote_ipv6_addrs = MSW(cmd.rsp.arg[8]); |
206 | |
207 | qlcnic_sriov_set_vf_max_vlan(adapter, npar_info); |
208 | qlcnic_sriov_pf_set_ff_max_res(adapter, info: npar_info); |
209 | dev_info(&adapter->pdev->dev, |
210 | "\n\ttotal_pf: %d,\n" |
211 | "\n\ttotal_rss_engines: %d max_vports: %d max_tx_ques %d,\n" |
212 | "\tmax_tx_mac_filters: %d max_rx_mcast_mac_filters: %d,\n" |
213 | "\tmax_rx_ucast_mac_filters: 0x%x, max_rx_ip_addr: %d,\n" |
214 | "\tmax_rx_lro_flow: %d max_rx_status_rings: %d,\n" |
215 | "\tmax_rx_buf_rings: %d, max_rx_ques: %d, max_tx_vlan_keys %d\n" |
216 | "\tmax_local_ipv6_addrs: %d, max_remote_ipv6_addrs: %d\n" , |
217 | npar_info->total_pf, npar_info->total_rss_engines, |
218 | npar_info->max_vports, npar_info->max_tx_ques, |
219 | npar_info->max_tx_mac_filters, |
220 | npar_info->max_rx_mcast_mac_filters, |
221 | npar_info->max_rx_ucast_mac_filters, npar_info->max_rx_ip_addr, |
222 | npar_info->max_rx_lro_flow, npar_info->max_rx_status_rings, |
223 | npar_info->max_rx_buf_rings, npar_info->max_rx_ques, |
224 | npar_info->max_tx_vlan_keys, npar_info->max_local_ipv6_addrs, |
225 | npar_info->max_remote_ipv6_addrs); |
226 | |
227 | out: |
228 | qlcnic_free_mbx_args(cmd: &cmd); |
229 | return err; |
230 | } |
231 | |
232 | static void qlcnic_sriov_pf_reset_vport_handle(struct qlcnic_adapter *adapter, |
233 | u8 func) |
234 | { |
235 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
236 | struct qlcnic_vport *vp; |
237 | int index; |
238 | |
239 | if (adapter->ahw->pci_func == func) { |
240 | sriov->vp_handle = 0; |
241 | } else { |
242 | index = qlcnic_sriov_func_to_index(adapter, func); |
243 | if (index < 0) |
244 | return; |
245 | vp = sriov->vf_info[index].vp; |
246 | vp->handle = 0; |
247 | } |
248 | } |
249 | |
250 | static void qlcnic_sriov_pf_set_vport_handle(struct qlcnic_adapter *adapter, |
251 | u16 vport_handle, u8 func) |
252 | { |
253 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
254 | struct qlcnic_vport *vp; |
255 | int index; |
256 | |
257 | if (adapter->ahw->pci_func == func) { |
258 | sriov->vp_handle = vport_handle; |
259 | } else { |
260 | index = qlcnic_sriov_func_to_index(adapter, func); |
261 | if (index < 0) |
262 | return; |
263 | vp = sriov->vf_info[index].vp; |
264 | vp->handle = vport_handle; |
265 | } |
266 | } |
267 | |
268 | static int qlcnic_sriov_pf_get_vport_handle(struct qlcnic_adapter *adapter, |
269 | u8 func) |
270 | { |
271 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
272 | struct qlcnic_vf_info *vf_info; |
273 | int index; |
274 | |
275 | if (adapter->ahw->pci_func == func) { |
276 | return sriov->vp_handle; |
277 | } else { |
278 | index = qlcnic_sriov_func_to_index(adapter, func); |
279 | if (index >= 0) { |
280 | vf_info = &sriov->vf_info[index]; |
281 | return vf_info->vp->handle; |
282 | } |
283 | } |
284 | |
285 | return -EINVAL; |
286 | } |
287 | |
288 | static int qlcnic_sriov_pf_config_vport(struct qlcnic_adapter *adapter, |
289 | u8 flag, u16 func) |
290 | { |
291 | struct qlcnic_cmd_args cmd; |
292 | int ret; |
293 | int vpid; |
294 | |
295 | if (qlcnic_alloc_mbx_args(mbx: &cmd, adapter, QLCNIC_CMD_CONFIG_VPORT)) |
296 | return -ENOMEM; |
297 | |
298 | if (flag) { |
299 | cmd.req.arg[3] = func << 8; |
300 | } else { |
301 | vpid = qlcnic_sriov_pf_get_vport_handle(adapter, func); |
302 | if (vpid < 0) { |
303 | ret = -EINVAL; |
304 | goto out; |
305 | } |
306 | cmd.req.arg[3] = ((vpid & 0xffff) << 8) | 1; |
307 | } |
308 | |
309 | ret = qlcnic_issue_cmd(adapter, cmd: &cmd); |
310 | if (ret) { |
311 | dev_err(&adapter->pdev->dev, |
312 | "Failed %s vport, err %d for func 0x%x\n" , |
313 | (flag ? "enable" : "disable" ), ret, func); |
314 | goto out; |
315 | } |
316 | |
317 | if (flag) { |
318 | vpid = cmd.rsp.arg[2] & 0xffff; |
319 | qlcnic_sriov_pf_set_vport_handle(adapter, vport_handle: vpid, func); |
320 | } else { |
321 | qlcnic_sriov_pf_reset_vport_handle(adapter, func); |
322 | } |
323 | |
324 | out: |
325 | qlcnic_free_mbx_args(cmd: &cmd); |
326 | return ret; |
327 | } |
328 | |
329 | static int qlcnic_sriov_pf_cfg_vlan_filtering(struct qlcnic_adapter *adapter, |
330 | u8 enable) |
331 | { |
332 | struct qlcnic_cmd_args cmd; |
333 | int err; |
334 | |
335 | err = qlcnic_alloc_mbx_args(mbx: &cmd, adapter, QLCNIC_CMD_SET_NIC_INFO); |
336 | if (err) |
337 | return err; |
338 | |
339 | cmd.req.arg[1] = 0x4; |
340 | if (enable) { |
341 | adapter->flags |= QLCNIC_VLAN_FILTERING; |
342 | cmd.req.arg[1] |= BIT_16; |
343 | if (qlcnic_84xx_check(adapter)) |
344 | cmd.req.arg[1] |= QLC_SRIOV_ALLOW_VLAN0; |
345 | } else { |
346 | adapter->flags &= ~QLCNIC_VLAN_FILTERING; |
347 | } |
348 | |
349 | err = qlcnic_issue_cmd(adapter, cmd: &cmd); |
350 | if (err) |
351 | dev_err(&adapter->pdev->dev, |
352 | "Failed to configure VLAN filtering, err=%d\n" , err); |
353 | |
354 | qlcnic_free_mbx_args(cmd: &cmd); |
355 | return err; |
356 | } |
357 | |
358 | /* On configuring VF flood bit, PFD will receive traffic from all VFs */ |
359 | static int qlcnic_sriov_pf_cfg_flood(struct qlcnic_adapter *adapter) |
360 | { |
361 | struct qlcnic_cmd_args cmd; |
362 | int err; |
363 | |
364 | err = qlcnic_alloc_mbx_args(mbx: &cmd, adapter, QLCNIC_CMD_SET_NIC_INFO); |
365 | if (err) |
366 | return err; |
367 | |
368 | cmd.req.arg[1] = QLC_FLOOD_MODE | QLC_VF_FLOOD_BIT; |
369 | |
370 | err = qlcnic_issue_cmd(adapter, cmd: &cmd); |
371 | if (err) |
372 | dev_err(&adapter->pdev->dev, |
373 | "Failed to configure VF Flood bit on PF, err=%d\n" , |
374 | err); |
375 | |
376 | qlcnic_free_mbx_args(cmd: &cmd); |
377 | return err; |
378 | } |
379 | |
380 | static int qlcnic_sriov_pf_cfg_eswitch(struct qlcnic_adapter *adapter, |
381 | u8 func, u8 enable) |
382 | { |
383 | struct qlcnic_cmd_args cmd; |
384 | int err = -EIO; |
385 | |
386 | if (qlcnic_alloc_mbx_args(mbx: &cmd, adapter, QLCNIC_CMD_TOGGLE_ESWITCH)) |
387 | return -ENOMEM; |
388 | |
389 | cmd.req.arg[0] |= (3 << 29); |
390 | cmd.req.arg[1] = ((func & 0xf) << 2) | BIT_6 | BIT_1; |
391 | if (enable) |
392 | cmd.req.arg[1] |= BIT_0; |
393 | |
394 | err = qlcnic_issue_cmd(adapter, cmd: &cmd); |
395 | |
396 | if (err != QLCNIC_RCODE_SUCCESS) { |
397 | dev_err(&adapter->pdev->dev, |
398 | "Failed to enable sriov eswitch%d\n" , err); |
399 | err = -EIO; |
400 | } |
401 | |
402 | qlcnic_free_mbx_args(cmd: &cmd); |
403 | return err; |
404 | } |
405 | |
406 | static void qlcnic_sriov_pf_del_flr_queue(struct qlcnic_adapter *adapter) |
407 | { |
408 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
409 | struct qlcnic_back_channel *bc = &sriov->bc; |
410 | int i; |
411 | |
412 | for (i = 0; i < sriov->num_vfs; i++) |
413 | cancel_work_sync(work: &sriov->vf_info[i].flr_work); |
414 | |
415 | destroy_workqueue(wq: bc->bc_flr_wq); |
416 | } |
417 | |
418 | static int qlcnic_sriov_pf_create_flr_queue(struct qlcnic_adapter *adapter) |
419 | { |
420 | struct qlcnic_back_channel *bc = &adapter->ahw->sriov->bc; |
421 | struct workqueue_struct *wq; |
422 | |
423 | wq = create_singlethread_workqueue("qlcnic-flr" ); |
424 | if (wq == NULL) { |
425 | dev_err(&adapter->pdev->dev, "Cannot create FLR workqueue\n" ); |
426 | return -ENOMEM; |
427 | } |
428 | |
429 | bc->bc_flr_wq = wq; |
430 | return 0; |
431 | } |
432 | |
433 | void qlcnic_sriov_pf_cleanup(struct qlcnic_adapter *adapter) |
434 | { |
435 | u8 func = adapter->ahw->pci_func; |
436 | |
437 | if (!qlcnic_sriov_enable_check(adapter)) |
438 | return; |
439 | |
440 | qlcnic_sriov_pf_del_flr_queue(adapter); |
441 | qlcnic_sriov_cfg_bc_intr(adapter, 0); |
442 | qlcnic_sriov_pf_config_vport(adapter, flag: 0, func); |
443 | qlcnic_sriov_pf_cfg_eswitch(adapter, func, enable: 0); |
444 | qlcnic_sriov_pf_cfg_vlan_filtering(adapter, enable: 0); |
445 | __qlcnic_sriov_cleanup(adapter); |
446 | adapter->ahw->op_mode = QLCNIC_MGMT_FUNC; |
447 | clear_bit(__QLCNIC_SRIOV_ENABLE, addr: &adapter->state); |
448 | } |
449 | |
450 | void qlcnic_sriov_pf_disable(struct qlcnic_adapter *adapter) |
451 | { |
452 | if (!qlcnic_sriov_pf_check(adapter)) |
453 | return; |
454 | |
455 | if (!qlcnic_sriov_enable_check(adapter)) |
456 | return; |
457 | |
458 | pci_disable_sriov(dev: adapter->pdev); |
459 | netdev_info(dev: adapter->netdev, |
460 | format: "SR-IOV is disabled successfully on port %d\n" , |
461 | adapter->portnum); |
462 | } |
463 | |
464 | static int qlcnic_pci_sriov_disable(struct qlcnic_adapter *adapter) |
465 | { |
466 | struct net_device *netdev = adapter->netdev; |
467 | |
468 | if (pci_vfs_assigned(dev: adapter->pdev)) { |
469 | netdev_err(dev: adapter->netdev, |
470 | format: "SR-IOV VFs belonging to port %d are assigned to VMs. SR-IOV can not be disabled on this port\n" , |
471 | adapter->portnum); |
472 | netdev_info(dev: adapter->netdev, |
473 | format: "Please detach SR-IOV VFs belonging to port %d from VMs, and then try to disable SR-IOV on this port\n" , |
474 | adapter->portnum); |
475 | return -EPERM; |
476 | } |
477 | |
478 | qlcnic_sriov_pf_disable(adapter); |
479 | |
480 | rtnl_lock(); |
481 | if (netif_running(dev: netdev)) |
482 | __qlcnic_down(adapter, netdev); |
483 | |
484 | qlcnic_sriov_free_vlans(adapter); |
485 | |
486 | qlcnic_sriov_pf_cleanup(adapter); |
487 | |
488 | /* After disabling SRIOV re-init the driver in default mode |
489 | configure opmode based on op_mode of function |
490 | */ |
491 | if (qlcnic_83xx_configure_opmode(adapter)) { |
492 | rtnl_unlock(); |
493 | return -EIO; |
494 | } |
495 | |
496 | if (netif_running(dev: netdev)) |
497 | __qlcnic_up(adapter, netdev); |
498 | |
499 | rtnl_unlock(); |
500 | return 0; |
501 | } |
502 | |
503 | static int qlcnic_sriov_pf_init(struct qlcnic_adapter *adapter) |
504 | { |
505 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
506 | struct qlcnic_info nic_info, pf_info, vp_info; |
507 | int err; |
508 | u8 func = ahw->pci_func; |
509 | |
510 | if (!qlcnic_sriov_enable_check(adapter)) |
511 | return 0; |
512 | |
513 | err = qlcnic_sriov_pf_cfg_vlan_filtering(adapter, enable: 1); |
514 | if (err) |
515 | return err; |
516 | |
517 | if (qlcnic_84xx_check(adapter)) { |
518 | err = qlcnic_sriov_pf_cfg_flood(adapter); |
519 | if (err) |
520 | goto disable_vlan_filtering; |
521 | } |
522 | |
523 | err = qlcnic_sriov_pf_cfg_eswitch(adapter, func, enable: 1); |
524 | if (err) |
525 | goto disable_vlan_filtering; |
526 | |
527 | err = qlcnic_sriov_pf_config_vport(adapter, flag: 1, func); |
528 | if (err) |
529 | goto disable_eswitch; |
530 | |
531 | err = qlcnic_sriov_get_pf_info(adapter, npar_info: &pf_info); |
532 | if (err) |
533 | goto delete_vport; |
534 | |
535 | err = qlcnic_get_nic_info(adapter, info: &nic_info, id: func); |
536 | if (err) |
537 | goto delete_vport; |
538 | |
539 | err = qlcnic_sriov_pf_cal_res_limit(adapter, info: &vp_info, func); |
540 | if (err) |
541 | goto delete_vport; |
542 | |
543 | err = qlcnic_sriov_cfg_bc_intr(adapter, 1); |
544 | if (err) |
545 | goto delete_vport; |
546 | |
547 | ahw->physical_port = (u8) nic_info.phys_port; |
548 | ahw->switch_mode = nic_info.switch_mode; |
549 | ahw->max_mtu = nic_info.max_mtu; |
550 | ahw->capabilities = nic_info.capabilities; |
551 | ahw->nic_mode = QLC_83XX_SRIOV_MODE; |
552 | return err; |
553 | |
554 | delete_vport: |
555 | qlcnic_sriov_pf_config_vport(adapter, flag: 0, func); |
556 | |
557 | disable_eswitch: |
558 | qlcnic_sriov_pf_cfg_eswitch(adapter, func, enable: 0); |
559 | |
560 | disable_vlan_filtering: |
561 | qlcnic_sriov_pf_cfg_vlan_filtering(adapter, enable: 0); |
562 | |
563 | return err; |
564 | } |
565 | |
566 | static int qlcnic_sriov_pf_enable(struct qlcnic_adapter *adapter, int num_vfs) |
567 | { |
568 | int err; |
569 | |
570 | if (!qlcnic_sriov_enable_check(adapter)) |
571 | return 0; |
572 | |
573 | err = pci_enable_sriov(dev: adapter->pdev, nr_virtfn: num_vfs); |
574 | if (err) |
575 | qlcnic_sriov_pf_cleanup(adapter); |
576 | |
577 | return err; |
578 | } |
579 | |
580 | static int __qlcnic_pci_sriov_enable(struct qlcnic_adapter *adapter, |
581 | int num_vfs) |
582 | { |
583 | int err = 0; |
584 | |
585 | set_bit(__QLCNIC_SRIOV_ENABLE, addr: &adapter->state); |
586 | adapter->ahw->op_mode = QLCNIC_SRIOV_PF_FUNC; |
587 | |
588 | err = qlcnic_sriov_init(adapter, num_vfs); |
589 | if (err) |
590 | goto clear_op_mode; |
591 | |
592 | err = qlcnic_sriov_pf_create_flr_queue(adapter); |
593 | if (err) |
594 | goto sriov_cleanup; |
595 | |
596 | err = qlcnic_sriov_pf_init(adapter); |
597 | if (err) |
598 | goto del_flr_queue; |
599 | |
600 | err = qlcnic_sriov_alloc_vlans(adapter); |
601 | if (err) |
602 | goto del_flr_queue; |
603 | |
604 | return err; |
605 | |
606 | del_flr_queue: |
607 | qlcnic_sriov_pf_del_flr_queue(adapter); |
608 | |
609 | sriov_cleanup: |
610 | __qlcnic_sriov_cleanup(adapter); |
611 | |
612 | clear_op_mode: |
613 | clear_bit(__QLCNIC_SRIOV_ENABLE, addr: &adapter->state); |
614 | adapter->ahw->op_mode = QLCNIC_MGMT_FUNC; |
615 | return err; |
616 | } |
617 | |
618 | static int qlcnic_pci_sriov_enable(struct qlcnic_adapter *adapter, int num_vfs) |
619 | { |
620 | struct net_device *netdev = adapter->netdev; |
621 | int err; |
622 | |
623 | if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) { |
624 | netdev_err(dev: netdev, |
625 | format: "SR-IOV cannot be enabled, when legacy interrupts are enabled\n" ); |
626 | return -EIO; |
627 | } |
628 | |
629 | rtnl_lock(); |
630 | if (netif_running(dev: netdev)) |
631 | __qlcnic_down(adapter, netdev); |
632 | |
633 | err = __qlcnic_pci_sriov_enable(adapter, num_vfs); |
634 | if (err) |
635 | goto error; |
636 | |
637 | if (netif_running(dev: netdev)) |
638 | __qlcnic_up(adapter, netdev); |
639 | |
640 | rtnl_unlock(); |
641 | err = qlcnic_sriov_pf_enable(adapter, num_vfs); |
642 | if (!err) { |
643 | netdev_info(dev: netdev, |
644 | format: "SR-IOV is enabled successfully on port %d\n" , |
645 | adapter->portnum); |
646 | /* Return number of vfs enabled */ |
647 | return num_vfs; |
648 | } |
649 | |
650 | rtnl_lock(); |
651 | if (netif_running(dev: netdev)) |
652 | __qlcnic_down(adapter, netdev); |
653 | |
654 | error: |
655 | if (!qlcnic_83xx_configure_opmode(adapter)) { |
656 | if (netif_running(dev: netdev)) |
657 | __qlcnic_up(adapter, netdev); |
658 | } |
659 | |
660 | rtnl_unlock(); |
661 | netdev_info(dev: netdev, format: "Failed to enable SR-IOV on port %d\n" , |
662 | adapter->portnum); |
663 | |
664 | return err; |
665 | } |
666 | |
667 | int qlcnic_pci_sriov_configure(struct pci_dev *dev, int num_vfs) |
668 | { |
669 | struct qlcnic_adapter *adapter = pci_get_drvdata(pdev: dev); |
670 | int err; |
671 | |
672 | if (test_and_set_bit(__QLCNIC_RESETTING, addr: &adapter->state)) |
673 | return -EBUSY; |
674 | |
675 | if (num_vfs == 0) |
676 | err = qlcnic_pci_sriov_disable(adapter); |
677 | else |
678 | err = qlcnic_pci_sriov_enable(adapter, num_vfs); |
679 | |
680 | clear_bit(__QLCNIC_RESETTING, addr: &adapter->state); |
681 | return err; |
682 | } |
683 | |
684 | static int qlcnic_sriov_set_vf_acl(struct qlcnic_adapter *adapter, u8 func) |
685 | { |
686 | struct qlcnic_cmd_args cmd; |
687 | struct qlcnic_vport *vp; |
688 | int err, id; |
689 | u8 *mac; |
690 | |
691 | id = qlcnic_sriov_func_to_index(adapter, func); |
692 | if (id < 0) |
693 | return id; |
694 | |
695 | vp = adapter->ahw->sriov->vf_info[id].vp; |
696 | err = qlcnic_alloc_mbx_args(mbx: &cmd, adapter, QLCNIC_CMD_SET_NIC_INFO); |
697 | if (err) |
698 | return err; |
699 | |
700 | cmd.req.arg[1] = 0x3 | func << 16; |
701 | if (vp->spoofchk == true) { |
702 | mac = vp->mac; |
703 | cmd.req.arg[2] |= BIT_1 | BIT_3 | BIT_8; |
704 | cmd.req.arg[4] = mac[5] | mac[4] << 8 | mac[3] << 16 | |
705 | mac[2] << 24; |
706 | cmd.req.arg[5] = mac[1] | mac[0] << 8; |
707 | } |
708 | |
709 | if (vp->vlan_mode == QLC_PVID_MODE) { |
710 | cmd.req.arg[2] |= BIT_6; |
711 | cmd.req.arg[3] |= vp->pvid << 8; |
712 | } |
713 | |
714 | err = qlcnic_issue_cmd(adapter, cmd: &cmd); |
715 | if (err) |
716 | dev_err(&adapter->pdev->dev, "Failed to set ACL, err=%d\n" , |
717 | err); |
718 | |
719 | qlcnic_free_mbx_args(cmd: &cmd); |
720 | return err; |
721 | } |
722 | |
723 | static int qlcnic_sriov_set_vf_vport_info(struct qlcnic_adapter *adapter, |
724 | u16 func) |
725 | { |
726 | struct qlcnic_info defvp_info; |
727 | int err; |
728 | |
729 | err = qlcnic_sriov_pf_cal_res_limit(adapter, info: &defvp_info, func); |
730 | if (err) |
731 | return -EIO; |
732 | |
733 | err = qlcnic_sriov_set_vf_acl(adapter, func); |
734 | if (err) |
735 | return err; |
736 | |
737 | return 0; |
738 | } |
739 | |
740 | static int qlcnic_sriov_pf_channel_cfg_cmd(struct qlcnic_bc_trans *trans, |
741 | struct qlcnic_cmd_args *cmd) |
742 | { |
743 | struct qlcnic_vf_info *vf = trans->vf; |
744 | struct qlcnic_vport *vp = vf->vp; |
745 | struct qlcnic_adapter *adapter; |
746 | struct qlcnic_sriov *sriov; |
747 | u16 func = vf->pci_func; |
748 | size_t size; |
749 | int err; |
750 | |
751 | adapter = vf->adapter; |
752 | sriov = adapter->ahw->sriov; |
753 | |
754 | if (trans->req_hdr->cmd_op == QLCNIC_BC_CMD_CHANNEL_INIT) { |
755 | err = qlcnic_sriov_pf_config_vport(adapter, flag: 1, func); |
756 | if (!err) { |
757 | err = qlcnic_sriov_set_vf_vport_info(adapter, func); |
758 | if (err) |
759 | qlcnic_sriov_pf_config_vport(adapter, flag: 0, func); |
760 | } |
761 | } else { |
762 | if (vp->vlan_mode == QLC_GUEST_VLAN_MODE) { |
763 | size = sizeof(*vf->sriov_vlans); |
764 | size = size * sriov->num_allowed_vlans; |
765 | memset(vf->sriov_vlans, 0, size); |
766 | } |
767 | |
768 | err = qlcnic_sriov_pf_config_vport(adapter, flag: 0, func); |
769 | } |
770 | |
771 | if (err) |
772 | goto err_out; |
773 | |
774 | cmd->rsp.arg[0] |= (1 << 25); |
775 | |
776 | if (trans->req_hdr->cmd_op == QLCNIC_BC_CMD_CHANNEL_INIT) |
777 | set_bit(nr: QLC_BC_VF_STATE, addr: &vf->state); |
778 | else |
779 | clear_bit(nr: QLC_BC_VF_STATE, addr: &vf->state); |
780 | |
781 | return err; |
782 | |
783 | err_out: |
784 | cmd->rsp.arg[0] |= (2 << 25); |
785 | return err; |
786 | } |
787 | |
788 | static int qlcnic_sriov_cfg_vf_def_mac(struct qlcnic_adapter *adapter, |
789 | struct qlcnic_vf_info *vf, |
790 | u16 vlan, u8 op) |
791 | { |
792 | struct qlcnic_cmd_args *cmd; |
793 | struct qlcnic_macvlan_mbx mv; |
794 | struct qlcnic_vport *vp; |
795 | u8 *addr; |
796 | int err; |
797 | u32 *buf; |
798 | int vpid; |
799 | |
800 | vp = vf->vp; |
801 | |
802 | cmd = kzalloc(size: sizeof(*cmd), GFP_ATOMIC); |
803 | if (!cmd) |
804 | return -ENOMEM; |
805 | |
806 | err = qlcnic_alloc_mbx_args(mbx: cmd, adapter, QLCNIC_CMD_CONFIG_MAC_VLAN); |
807 | if (err) |
808 | goto free_cmd; |
809 | |
810 | cmd->type = QLC_83XX_MBX_CMD_NO_WAIT; |
811 | vpid = qlcnic_sriov_pf_get_vport_handle(adapter, func: vf->pci_func); |
812 | if (vpid < 0) { |
813 | err = -EINVAL; |
814 | goto free_args; |
815 | } |
816 | |
817 | if (vlan) |
818 | op = ((op == QLCNIC_MAC_ADD || op == QLCNIC_MAC_VLAN_ADD) ? |
819 | QLCNIC_MAC_VLAN_ADD : QLCNIC_MAC_VLAN_DEL); |
820 | |
821 | cmd->req.arg[1] = op | (1 << 8) | (3 << 6); |
822 | cmd->req.arg[1] |= ((vpid & 0xffff) << 16) | BIT_31; |
823 | |
824 | addr = vp->mac; |
825 | mv.vlan = vlan; |
826 | mv.mac_addr0 = addr[0]; |
827 | mv.mac_addr1 = addr[1]; |
828 | mv.mac_addr2 = addr[2]; |
829 | mv.mac_addr3 = addr[3]; |
830 | mv.mac_addr4 = addr[4]; |
831 | mv.mac_addr5 = addr[5]; |
832 | buf = &cmd->req.arg[2]; |
833 | memcpy(buf, &mv, sizeof(struct qlcnic_macvlan_mbx)); |
834 | |
835 | err = qlcnic_issue_cmd(adapter, cmd); |
836 | |
837 | if (!err) |
838 | return err; |
839 | |
840 | free_args: |
841 | qlcnic_free_mbx_args(cmd); |
842 | free_cmd: |
843 | kfree(objp: cmd); |
844 | return err; |
845 | } |
846 | |
847 | static int qlcnic_sriov_validate_create_rx_ctx(struct qlcnic_cmd_args *cmd) |
848 | { |
849 | if ((cmd->req.arg[0] >> 29) != 0x3) |
850 | return -EINVAL; |
851 | |
852 | return 0; |
853 | } |
854 | |
855 | static void qlcnic_83xx_cfg_default_mac_vlan(struct qlcnic_adapter *adapter, |
856 | struct qlcnic_vf_info *vf, |
857 | int opcode) |
858 | { |
859 | struct qlcnic_sriov *sriov; |
860 | u16 vlan; |
861 | int i; |
862 | |
863 | sriov = adapter->ahw->sriov; |
864 | |
865 | spin_lock_bh(lock: &vf->vlan_list_lock); |
866 | if (vf->num_vlan) { |
867 | for (i = 0; i < sriov->num_allowed_vlans; i++) { |
868 | vlan = vf->sriov_vlans[i]; |
869 | if (vlan) |
870 | qlcnic_sriov_cfg_vf_def_mac(adapter, vf, vlan, |
871 | op: opcode); |
872 | } |
873 | } |
874 | spin_unlock_bh(lock: &vf->vlan_list_lock); |
875 | |
876 | if (vf->vp->vlan_mode != QLC_PVID_MODE) { |
877 | if (qlcnic_83xx_pf_check(adapter) && |
878 | qlcnic_sriov_check_any_vlan(vf)) |
879 | return; |
880 | qlcnic_sriov_cfg_vf_def_mac(adapter, vf, vlan: 0, op: opcode); |
881 | } |
882 | } |
883 | |
884 | static int qlcnic_sriov_pf_create_rx_ctx_cmd(struct qlcnic_bc_trans *tran, |
885 | struct qlcnic_cmd_args *cmd) |
886 | { |
887 | struct qlcnic_vf_info *vf = tran->vf; |
888 | struct qlcnic_adapter *adapter = vf->adapter; |
889 | struct qlcnic_rcv_mbx_out *mbx_out; |
890 | int err; |
891 | |
892 | err = qlcnic_sriov_validate_create_rx_ctx(cmd); |
893 | if (err) { |
894 | cmd->rsp.arg[0] |= (0x6 << 25); |
895 | return err; |
896 | } |
897 | |
898 | cmd->req.arg[6] = vf->vp->handle; |
899 | err = qlcnic_issue_cmd(adapter, cmd); |
900 | |
901 | if (!err) { |
902 | mbx_out = (struct qlcnic_rcv_mbx_out *)&cmd->rsp.arg[1]; |
903 | vf->rx_ctx_id = mbx_out->ctx_id; |
904 | qlcnic_83xx_cfg_default_mac_vlan(adapter, vf, QLCNIC_MAC_ADD); |
905 | } else { |
906 | vf->rx_ctx_id = 0; |
907 | } |
908 | |
909 | return err; |
910 | } |
911 | |
912 | static int qlcnic_sriov_pf_mac_address_cmd(struct qlcnic_bc_trans *trans, |
913 | struct qlcnic_cmd_args *cmd) |
914 | { |
915 | struct qlcnic_vf_info *vf = trans->vf; |
916 | u8 type, *mac; |
917 | |
918 | type = cmd->req.arg[1]; |
919 | switch (type) { |
920 | case QLCNIC_SET_STATION_MAC: |
921 | case QLCNIC_SET_FAC_DEF_MAC: |
922 | cmd->rsp.arg[0] = (2 << 25); |
923 | break; |
924 | case QLCNIC_GET_CURRENT_MAC: |
925 | cmd->rsp.arg[0] = (1 << 25); |
926 | mac = vf->vp->mac; |
927 | cmd->rsp.arg[2] = mac[1] | ((mac[0] << 8) & 0xff00); |
928 | cmd->rsp.arg[1] = mac[5] | ((mac[4] << 8) & 0xff00) | |
929 | ((mac[3]) << 16 & 0xff0000) | |
930 | ((mac[2]) << 24 & 0xff000000); |
931 | } |
932 | |
933 | return 0; |
934 | } |
935 | |
936 | static int qlcnic_sriov_validate_create_tx_ctx(struct qlcnic_cmd_args *cmd) |
937 | { |
938 | if ((cmd->req.arg[0] >> 29) != 0x3) |
939 | return -EINVAL; |
940 | |
941 | return 0; |
942 | } |
943 | |
944 | static int qlcnic_sriov_pf_create_tx_ctx_cmd(struct qlcnic_bc_trans *trans, |
945 | struct qlcnic_cmd_args *cmd) |
946 | { |
947 | struct qlcnic_vf_info *vf = trans->vf; |
948 | struct qlcnic_adapter *adapter = vf->adapter; |
949 | struct qlcnic_tx_mbx_out *mbx_out; |
950 | int err; |
951 | |
952 | err = qlcnic_sriov_validate_create_tx_ctx(cmd); |
953 | if (err) { |
954 | cmd->rsp.arg[0] |= (0x6 << 25); |
955 | return err; |
956 | } |
957 | |
958 | cmd->req.arg[5] |= vf->vp->handle << 16; |
959 | err = qlcnic_issue_cmd(adapter, cmd); |
960 | if (!err) { |
961 | mbx_out = (struct qlcnic_tx_mbx_out *)&cmd->rsp.arg[2]; |
962 | vf->tx_ctx_id = mbx_out->ctx_id; |
963 | } else { |
964 | vf->tx_ctx_id = 0; |
965 | } |
966 | |
967 | return err; |
968 | } |
969 | |
970 | static int qlcnic_sriov_validate_del_rx_ctx(struct qlcnic_vf_info *vf, |
971 | struct qlcnic_cmd_args *cmd) |
972 | { |
973 | if ((cmd->req.arg[0] >> 29) != 0x3) |
974 | return -EINVAL; |
975 | |
976 | if ((cmd->req.arg[1] & 0xffff) != vf->rx_ctx_id) |
977 | return -EINVAL; |
978 | |
979 | return 0; |
980 | } |
981 | |
982 | static int qlcnic_sriov_pf_del_rx_ctx_cmd(struct qlcnic_bc_trans *trans, |
983 | struct qlcnic_cmd_args *cmd) |
984 | { |
985 | struct qlcnic_vf_info *vf = trans->vf; |
986 | struct qlcnic_adapter *adapter = vf->adapter; |
987 | int err; |
988 | |
989 | err = qlcnic_sriov_validate_del_rx_ctx(vf, cmd); |
990 | if (err) { |
991 | cmd->rsp.arg[0] |= (0x6 << 25); |
992 | return err; |
993 | } |
994 | |
995 | qlcnic_83xx_cfg_default_mac_vlan(adapter, vf, QLCNIC_MAC_DEL); |
996 | cmd->req.arg[1] |= vf->vp->handle << 16; |
997 | err = qlcnic_issue_cmd(adapter, cmd); |
998 | |
999 | if (!err) |
1000 | vf->rx_ctx_id = 0; |
1001 | |
1002 | return err; |
1003 | } |
1004 | |
1005 | static int qlcnic_sriov_validate_del_tx_ctx(struct qlcnic_vf_info *vf, |
1006 | struct qlcnic_cmd_args *cmd) |
1007 | { |
1008 | if ((cmd->req.arg[0] >> 29) != 0x3) |
1009 | return -EINVAL; |
1010 | |
1011 | if ((cmd->req.arg[1] & 0xffff) != vf->tx_ctx_id) |
1012 | return -EINVAL; |
1013 | |
1014 | return 0; |
1015 | } |
1016 | |
1017 | static int qlcnic_sriov_pf_del_tx_ctx_cmd(struct qlcnic_bc_trans *trans, |
1018 | struct qlcnic_cmd_args *cmd) |
1019 | { |
1020 | struct qlcnic_vf_info *vf = trans->vf; |
1021 | struct qlcnic_adapter *adapter = vf->adapter; |
1022 | int err; |
1023 | |
1024 | err = qlcnic_sriov_validate_del_tx_ctx(vf, cmd); |
1025 | if (err) { |
1026 | cmd->rsp.arg[0] |= (0x6 << 25); |
1027 | return err; |
1028 | } |
1029 | |
1030 | cmd->req.arg[1] |= vf->vp->handle << 16; |
1031 | err = qlcnic_issue_cmd(adapter, cmd); |
1032 | |
1033 | if (!err) |
1034 | vf->tx_ctx_id = 0; |
1035 | |
1036 | return err; |
1037 | } |
1038 | |
1039 | static int qlcnic_sriov_validate_cfg_lro(struct qlcnic_vf_info *vf, |
1040 | struct qlcnic_cmd_args *cmd) |
1041 | { |
1042 | if ((cmd->req.arg[1] >> 16) != vf->rx_ctx_id) |
1043 | return -EINVAL; |
1044 | |
1045 | return 0; |
1046 | } |
1047 | |
1048 | static int qlcnic_sriov_pf_cfg_lro_cmd(struct qlcnic_bc_trans *trans, |
1049 | struct qlcnic_cmd_args *cmd) |
1050 | { |
1051 | struct qlcnic_vf_info *vf = trans->vf; |
1052 | struct qlcnic_adapter *adapter = vf->adapter; |
1053 | int err; |
1054 | |
1055 | err = qlcnic_sriov_validate_cfg_lro(vf, cmd); |
1056 | if (err) { |
1057 | cmd->rsp.arg[0] |= (0x6 << 25); |
1058 | return err; |
1059 | } |
1060 | |
1061 | err = qlcnic_issue_cmd(adapter, cmd); |
1062 | return err; |
1063 | } |
1064 | |
1065 | static int qlcnic_sriov_pf_cfg_ip_cmd(struct qlcnic_bc_trans *trans, |
1066 | struct qlcnic_cmd_args *cmd) |
1067 | { |
1068 | struct qlcnic_vf_info *vf = trans->vf; |
1069 | struct qlcnic_adapter *adapter = vf->adapter; |
1070 | int err; |
1071 | |
1072 | cmd->req.arg[1] |= vf->vp->handle << 16; |
1073 | cmd->req.arg[1] |= BIT_31; |
1074 | |
1075 | err = qlcnic_issue_cmd(adapter, cmd); |
1076 | return err; |
1077 | } |
1078 | |
1079 | static int qlcnic_sriov_validate_cfg_intrpt(struct qlcnic_vf_info *vf, |
1080 | struct qlcnic_cmd_args *cmd) |
1081 | { |
1082 | if (((cmd->req.arg[1] >> 8) & 0xff) != vf->pci_func) |
1083 | return -EINVAL; |
1084 | |
1085 | if (!(cmd->req.arg[1] & BIT_16)) |
1086 | return -EINVAL; |
1087 | |
1088 | if ((cmd->req.arg[1] & 0xff) != 0x1) |
1089 | return -EINVAL; |
1090 | |
1091 | return 0; |
1092 | } |
1093 | |
1094 | static int qlcnic_sriov_pf_cfg_intrpt_cmd(struct qlcnic_bc_trans *trans, |
1095 | struct qlcnic_cmd_args *cmd) |
1096 | { |
1097 | struct qlcnic_vf_info *vf = trans->vf; |
1098 | struct qlcnic_adapter *adapter = vf->adapter; |
1099 | int err; |
1100 | |
1101 | err = qlcnic_sriov_validate_cfg_intrpt(vf, cmd); |
1102 | if (err) |
1103 | cmd->rsp.arg[0] |= (0x6 << 25); |
1104 | else |
1105 | err = qlcnic_issue_cmd(adapter, cmd); |
1106 | |
1107 | return err; |
1108 | } |
1109 | |
1110 | static int qlcnic_sriov_validate_mtu(struct qlcnic_adapter *adapter, |
1111 | struct qlcnic_vf_info *vf, |
1112 | struct qlcnic_cmd_args *cmd) |
1113 | { |
1114 | if (cmd->req.arg[1] != vf->rx_ctx_id) |
1115 | return -EINVAL; |
1116 | |
1117 | if (cmd->req.arg[2] > adapter->ahw->max_mtu) |
1118 | return -EINVAL; |
1119 | |
1120 | return 0; |
1121 | } |
1122 | |
1123 | static int qlcnic_sriov_pf_set_mtu_cmd(struct qlcnic_bc_trans *trans, |
1124 | struct qlcnic_cmd_args *cmd) |
1125 | { |
1126 | struct qlcnic_vf_info *vf = trans->vf; |
1127 | struct qlcnic_adapter *adapter = vf->adapter; |
1128 | int err; |
1129 | |
1130 | err = qlcnic_sriov_validate_mtu(adapter, vf, cmd); |
1131 | if (err) |
1132 | cmd->rsp.arg[0] |= (0x6 << 25); |
1133 | else |
1134 | err = qlcnic_issue_cmd(adapter, cmd); |
1135 | |
1136 | return err; |
1137 | } |
1138 | |
1139 | static int qlcnic_sriov_validate_get_nic_info(struct qlcnic_vf_info *vf, |
1140 | struct qlcnic_cmd_args *cmd) |
1141 | { |
1142 | if (cmd->req.arg[1] & BIT_31) { |
1143 | if (((cmd->req.arg[1] >> 16) & 0x7fff) != vf->pci_func) |
1144 | return -EINVAL; |
1145 | } else { |
1146 | cmd->req.arg[1] |= vf->vp->handle << 16; |
1147 | } |
1148 | |
1149 | return 0; |
1150 | } |
1151 | |
1152 | static int qlcnic_sriov_pf_get_nic_info_cmd(struct qlcnic_bc_trans *trans, |
1153 | struct qlcnic_cmd_args *cmd) |
1154 | { |
1155 | struct qlcnic_vf_info *vf = trans->vf; |
1156 | struct qlcnic_adapter *adapter = vf->adapter; |
1157 | int err; |
1158 | |
1159 | err = qlcnic_sriov_validate_get_nic_info(vf, cmd); |
1160 | if (err) { |
1161 | cmd->rsp.arg[0] |= (0x6 << 25); |
1162 | return err; |
1163 | } |
1164 | |
1165 | err = qlcnic_issue_cmd(adapter, cmd); |
1166 | return err; |
1167 | } |
1168 | |
1169 | static int (struct qlcnic_vf_info *vf, |
1170 | struct qlcnic_cmd_args *cmd) |
1171 | { |
1172 | if (cmd->req.arg[1] != vf->rx_ctx_id) |
1173 | return -EINVAL; |
1174 | |
1175 | return 0; |
1176 | } |
1177 | |
1178 | static int (struct qlcnic_bc_trans *trans, |
1179 | struct qlcnic_cmd_args *cmd) |
1180 | { |
1181 | struct qlcnic_vf_info *vf = trans->vf; |
1182 | struct qlcnic_adapter *adapter = vf->adapter; |
1183 | int err; |
1184 | |
1185 | err = qlcnic_sriov_validate_cfg_rss(vf, cmd); |
1186 | if (err) |
1187 | cmd->rsp.arg[0] |= (0x6 << 25); |
1188 | else |
1189 | err = qlcnic_issue_cmd(adapter, cmd); |
1190 | |
1191 | return err; |
1192 | } |
1193 | |
1194 | static int qlcnic_sriov_validate_cfg_intrcoal(struct qlcnic_adapter *adapter, |
1195 | struct qlcnic_vf_info *vf, |
1196 | struct qlcnic_cmd_args *cmd) |
1197 | { |
1198 | struct qlcnic_nic_intr_coalesce *coal = &adapter->ahw->coal; |
1199 | u16 ctx_id, pkts, time; |
1200 | int err = -EINVAL; |
1201 | u8 type; |
1202 | |
1203 | type = cmd->req.arg[1] & QLC_INTR_COAL_TYPE_MASK; |
1204 | ctx_id = cmd->req.arg[1] >> 16; |
1205 | pkts = cmd->req.arg[2] & 0xffff; |
1206 | time = cmd->req.arg[2] >> 16; |
1207 | |
1208 | switch (type) { |
1209 | case QLCNIC_INTR_COAL_TYPE_RX: |
1210 | if (ctx_id != vf->rx_ctx_id || pkts > coal->rx_packets || |
1211 | time < coal->rx_time_us) |
1212 | goto err_label; |
1213 | break; |
1214 | case QLCNIC_INTR_COAL_TYPE_TX: |
1215 | if (ctx_id != vf->tx_ctx_id || pkts > coal->tx_packets || |
1216 | time < coal->tx_time_us) |
1217 | goto err_label; |
1218 | break; |
1219 | default: |
1220 | netdev_err(dev: adapter->netdev, format: "Invalid coalescing type 0x%x received\n" , |
1221 | type); |
1222 | return err; |
1223 | } |
1224 | |
1225 | return 0; |
1226 | |
1227 | err_label: |
1228 | netdev_err(dev: adapter->netdev, format: "Expected: rx_ctx_id 0x%x rx_packets 0x%x rx_time_us 0x%x tx_ctx_id 0x%x tx_packets 0x%x tx_time_us 0x%x\n" , |
1229 | vf->rx_ctx_id, coal->rx_packets, coal->rx_time_us, |
1230 | vf->tx_ctx_id, coal->tx_packets, coal->tx_time_us); |
1231 | netdev_err(dev: adapter->netdev, format: "Received: ctx_id 0x%x packets 0x%x time_us 0x%x type 0x%x\n" , |
1232 | ctx_id, pkts, time, type); |
1233 | |
1234 | return err; |
1235 | } |
1236 | |
1237 | static int qlcnic_sriov_pf_cfg_intrcoal_cmd(struct qlcnic_bc_trans *tran, |
1238 | struct qlcnic_cmd_args *cmd) |
1239 | { |
1240 | struct qlcnic_vf_info *vf = tran->vf; |
1241 | struct qlcnic_adapter *adapter = vf->adapter; |
1242 | int err; |
1243 | |
1244 | err = qlcnic_sriov_validate_cfg_intrcoal(adapter, vf, cmd); |
1245 | if (err) { |
1246 | cmd->rsp.arg[0] |= (0x6 << 25); |
1247 | return err; |
1248 | } |
1249 | |
1250 | err = qlcnic_issue_cmd(adapter, cmd); |
1251 | return err; |
1252 | } |
1253 | |
1254 | static int qlcnic_sriov_validate_cfg_macvlan(struct qlcnic_adapter *adapter, |
1255 | struct qlcnic_vf_info *vf, |
1256 | struct qlcnic_cmd_args *cmd) |
1257 | { |
1258 | struct qlcnic_vport *vp = vf->vp; |
1259 | u8 op, new_op; |
1260 | |
1261 | if (!(cmd->req.arg[1] & BIT_8)) |
1262 | return -EINVAL; |
1263 | |
1264 | cmd->req.arg[1] |= (vf->vp->handle << 16); |
1265 | cmd->req.arg[1] |= BIT_31; |
1266 | |
1267 | if (vp->vlan_mode == QLC_PVID_MODE) { |
1268 | op = cmd->req.arg[1] & 0x7; |
1269 | cmd->req.arg[1] &= ~0x7; |
1270 | new_op = (op == QLCNIC_MAC_ADD || op == QLCNIC_MAC_VLAN_ADD) ? |
1271 | QLCNIC_MAC_VLAN_ADD : QLCNIC_MAC_VLAN_DEL; |
1272 | cmd->req.arg[3] |= vp->pvid << 16; |
1273 | cmd->req.arg[1] |= new_op; |
1274 | } |
1275 | |
1276 | return 0; |
1277 | } |
1278 | |
1279 | static int qlcnic_sriov_pf_cfg_macvlan_cmd(struct qlcnic_bc_trans *trans, |
1280 | struct qlcnic_cmd_args *cmd) |
1281 | { |
1282 | struct qlcnic_vf_info *vf = trans->vf; |
1283 | struct qlcnic_adapter *adapter = vf->adapter; |
1284 | int err; |
1285 | |
1286 | err = qlcnic_sriov_validate_cfg_macvlan(adapter, vf, cmd); |
1287 | if (err) { |
1288 | cmd->rsp.arg[0] |= (0x6 << 25); |
1289 | return err; |
1290 | } |
1291 | |
1292 | err = qlcnic_issue_cmd(adapter, cmd); |
1293 | return err; |
1294 | } |
1295 | |
1296 | static int qlcnic_sriov_validate_linkevent(struct qlcnic_vf_info *vf, |
1297 | struct qlcnic_cmd_args *cmd) |
1298 | { |
1299 | if ((cmd->req.arg[1] >> 16) != vf->rx_ctx_id) |
1300 | return -EINVAL; |
1301 | |
1302 | return 0; |
1303 | } |
1304 | |
1305 | static int qlcnic_sriov_pf_linkevent_cmd(struct qlcnic_bc_trans *trans, |
1306 | struct qlcnic_cmd_args *cmd) |
1307 | { |
1308 | struct qlcnic_vf_info *vf = trans->vf; |
1309 | struct qlcnic_adapter *adapter = vf->adapter; |
1310 | int err; |
1311 | |
1312 | err = qlcnic_sriov_validate_linkevent(vf, cmd); |
1313 | if (err) { |
1314 | cmd->rsp.arg[0] |= (0x6 << 25); |
1315 | return err; |
1316 | } |
1317 | |
1318 | err = qlcnic_issue_cmd(adapter, cmd); |
1319 | return err; |
1320 | } |
1321 | |
1322 | static int qlcnic_sriov_pf_cfg_promisc_cmd(struct qlcnic_bc_trans *trans, |
1323 | struct qlcnic_cmd_args *cmd) |
1324 | { |
1325 | struct qlcnic_vf_info *vf = trans->vf; |
1326 | struct qlcnic_adapter *adapter = vf->adapter; |
1327 | int err; |
1328 | |
1329 | cmd->req.arg[1] |= vf->vp->handle << 16; |
1330 | cmd->req.arg[1] |= BIT_31; |
1331 | err = qlcnic_issue_cmd(adapter, cmd); |
1332 | return err; |
1333 | } |
1334 | |
1335 | static int qlcnic_sriov_pf_get_acl_cmd(struct qlcnic_bc_trans *trans, |
1336 | struct qlcnic_cmd_args *cmd) |
1337 | { |
1338 | struct qlcnic_vf_info *vf = trans->vf; |
1339 | struct qlcnic_vport *vp = vf->vp; |
1340 | u8 mode = vp->vlan_mode; |
1341 | struct qlcnic_adapter *adapter; |
1342 | struct qlcnic_sriov *sriov; |
1343 | |
1344 | adapter = vf->adapter; |
1345 | sriov = adapter->ahw->sriov; |
1346 | |
1347 | cmd->rsp.arg[0] |= 1 << 25; |
1348 | |
1349 | /* For 84xx adapter in case of PVID , PFD should send vlan mode as |
1350 | * QLC_NO_VLAN_MODE to VFD which is zero in mailbox response |
1351 | */ |
1352 | if (qlcnic_84xx_check(adapter) && mode == QLC_PVID_MODE) |
1353 | return 0; |
1354 | |
1355 | switch (mode) { |
1356 | case QLC_GUEST_VLAN_MODE: |
1357 | cmd->rsp.arg[1] = mode | 1 << 8; |
1358 | cmd->rsp.arg[2] = sriov->num_allowed_vlans << 16; |
1359 | break; |
1360 | case QLC_PVID_MODE: |
1361 | cmd->rsp.arg[1] = mode | 1 << 8 | vp->pvid << 16; |
1362 | break; |
1363 | } |
1364 | |
1365 | return 0; |
1366 | } |
1367 | |
1368 | static int qlcnic_sriov_pf_del_guest_vlan(struct qlcnic_adapter *adapter, |
1369 | struct qlcnic_vf_info *vf, |
1370 | struct qlcnic_cmd_args *cmd) |
1371 | { |
1372 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
1373 | u16 vlan; |
1374 | |
1375 | if (!qlcnic_sriov_check_any_vlan(vf)) |
1376 | return -EINVAL; |
1377 | |
1378 | vlan = cmd->req.arg[1] >> 16; |
1379 | if (!vf->rx_ctx_id) { |
1380 | qlcnic_sriov_del_vlan_id(sriov, vf, vlan); |
1381 | return 0; |
1382 | } |
1383 | |
1384 | qlcnic_sriov_cfg_vf_def_mac(adapter, vf, vlan, QLCNIC_MAC_DEL); |
1385 | qlcnic_sriov_del_vlan_id(sriov, vf, vlan); |
1386 | |
1387 | if (qlcnic_83xx_pf_check(adapter)) |
1388 | qlcnic_sriov_cfg_vf_def_mac(adapter, vf, |
1389 | vlan: 0, QLCNIC_MAC_ADD); |
1390 | return 0; |
1391 | } |
1392 | |
1393 | static int qlcnic_sriov_pf_add_guest_vlan(struct qlcnic_adapter *adapter, |
1394 | struct qlcnic_vf_info *vf, |
1395 | struct qlcnic_cmd_args *cmd) |
1396 | { |
1397 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
1398 | int err = -EIO; |
1399 | u16 vlan; |
1400 | |
1401 | if (qlcnic_83xx_pf_check(adapter) && qlcnic_sriov_check_any_vlan(vf)) |
1402 | return err; |
1403 | |
1404 | vlan = cmd->req.arg[1] >> 16; |
1405 | |
1406 | if (!vf->rx_ctx_id) { |
1407 | qlcnic_sriov_add_vlan_id(sriov, vf, vlan); |
1408 | return 0; |
1409 | } |
1410 | |
1411 | if (qlcnic_83xx_pf_check(adapter)) { |
1412 | err = qlcnic_sriov_cfg_vf_def_mac(adapter, vf, vlan: 0, |
1413 | QLCNIC_MAC_DEL); |
1414 | if (err) |
1415 | return err; |
1416 | } |
1417 | |
1418 | err = qlcnic_sriov_cfg_vf_def_mac(adapter, vf, vlan, QLCNIC_MAC_ADD); |
1419 | |
1420 | if (err) { |
1421 | if (qlcnic_83xx_pf_check(adapter)) |
1422 | qlcnic_sriov_cfg_vf_def_mac(adapter, vf, vlan: 0, |
1423 | QLCNIC_MAC_ADD); |
1424 | return err; |
1425 | } |
1426 | |
1427 | qlcnic_sriov_add_vlan_id(sriov, vf, vlan); |
1428 | return err; |
1429 | } |
1430 | |
1431 | static int qlcnic_sriov_pf_cfg_guest_vlan_cmd(struct qlcnic_bc_trans *tran, |
1432 | struct qlcnic_cmd_args *cmd) |
1433 | { |
1434 | struct qlcnic_vf_info *vf = tran->vf; |
1435 | struct qlcnic_adapter *adapter = vf->adapter; |
1436 | struct qlcnic_vport *vp = vf->vp; |
1437 | int err = -EIO; |
1438 | u8 op; |
1439 | |
1440 | if (vp->vlan_mode != QLC_GUEST_VLAN_MODE) { |
1441 | cmd->rsp.arg[0] |= 2 << 25; |
1442 | return err; |
1443 | } |
1444 | |
1445 | op = cmd->req.arg[1] & 0xf; |
1446 | |
1447 | if (op) |
1448 | err = qlcnic_sriov_pf_add_guest_vlan(adapter, vf, cmd); |
1449 | else |
1450 | err = qlcnic_sriov_pf_del_guest_vlan(adapter, vf, cmd); |
1451 | |
1452 | cmd->rsp.arg[0] |= err ? 2 << 25 : 1 << 25; |
1453 | return err; |
1454 | } |
1455 | |
1456 | static const int qlcnic_pf_passthru_supp_cmds[] = { |
1457 | QLCNIC_CMD_GET_STATISTICS, |
1458 | QLCNIC_CMD_GET_PORT_CONFIG, |
1459 | QLCNIC_CMD_GET_LINK_STATUS, |
1460 | QLCNIC_CMD_INIT_NIC_FUNC, |
1461 | QLCNIC_CMD_STOP_NIC_FUNC, |
1462 | }; |
1463 | |
1464 | static const struct qlcnic_sriov_cmd_handler qlcnic_pf_bc_cmd_hdlr[] = { |
1465 | [QLCNIC_BC_CMD_CHANNEL_INIT] = {&qlcnic_sriov_pf_channel_cfg_cmd}, |
1466 | [QLCNIC_BC_CMD_CHANNEL_TERM] = {.fn: &qlcnic_sriov_pf_channel_cfg_cmd}, |
1467 | [QLCNIC_BC_CMD_GET_ACL] = {.fn: &qlcnic_sriov_pf_get_acl_cmd}, |
1468 | [QLCNIC_BC_CMD_CFG_GUEST_VLAN] = {.fn: &qlcnic_sriov_pf_cfg_guest_vlan_cmd}, |
1469 | }; |
1470 | |
1471 | static const struct qlcnic_sriov_fw_cmd_handler qlcnic_pf_fw_cmd_hdlr[] = { |
1472 | {QLCNIC_CMD_CREATE_RX_CTX, qlcnic_sriov_pf_create_rx_ctx_cmd}, |
1473 | {QLCNIC_CMD_CREATE_TX_CTX, qlcnic_sriov_pf_create_tx_ctx_cmd}, |
1474 | {QLCNIC_CMD_MAC_ADDRESS, qlcnic_sriov_pf_mac_address_cmd}, |
1475 | {QLCNIC_CMD_DESTROY_RX_CTX, qlcnic_sriov_pf_del_rx_ctx_cmd}, |
1476 | {QLCNIC_CMD_DESTROY_TX_CTX, qlcnic_sriov_pf_del_tx_ctx_cmd}, |
1477 | {QLCNIC_CMD_CONFIGURE_HW_LRO, qlcnic_sriov_pf_cfg_lro_cmd}, |
1478 | {QLCNIC_CMD_CONFIGURE_IP_ADDR, qlcnic_sriov_pf_cfg_ip_cmd}, |
1479 | {QLCNIC_CMD_CONFIG_INTRPT, qlcnic_sriov_pf_cfg_intrpt_cmd}, |
1480 | {QLCNIC_CMD_SET_MTU, qlcnic_sriov_pf_set_mtu_cmd}, |
1481 | {QLCNIC_CMD_GET_NIC_INFO, qlcnic_sriov_pf_get_nic_info_cmd}, |
1482 | {QLCNIC_CMD_CONFIGURE_RSS, qlcnic_sriov_pf_cfg_rss_cmd}, |
1483 | {QLCNIC_CMD_CONFIG_INTR_COAL, qlcnic_sriov_pf_cfg_intrcoal_cmd}, |
1484 | {QLCNIC_CMD_CONFIG_MAC_VLAN, qlcnic_sriov_pf_cfg_macvlan_cmd}, |
1485 | {QLCNIC_CMD_GET_LINK_EVENT, qlcnic_sriov_pf_linkevent_cmd}, |
1486 | {QLCNIC_CMD_CONFIGURE_MAC_RX_MODE, qlcnic_sriov_pf_cfg_promisc_cmd}, |
1487 | }; |
1488 | |
1489 | void qlcnic_sriov_pf_process_bc_cmd(struct qlcnic_adapter *adapter, |
1490 | struct qlcnic_bc_trans *trans, |
1491 | struct qlcnic_cmd_args *cmd) |
1492 | { |
1493 | u8 size, cmd_op; |
1494 | |
1495 | cmd_op = trans->req_hdr->cmd_op; |
1496 | |
1497 | if (trans->req_hdr->op_type == QLC_BC_CMD) { |
1498 | size = ARRAY_SIZE(qlcnic_pf_bc_cmd_hdlr); |
1499 | if (cmd_op < size) { |
1500 | qlcnic_pf_bc_cmd_hdlr[cmd_op].fn(trans, cmd); |
1501 | return; |
1502 | } |
1503 | } else { |
1504 | int i; |
1505 | size = ARRAY_SIZE(qlcnic_pf_fw_cmd_hdlr); |
1506 | for (i = 0; i < size; i++) { |
1507 | if (cmd_op == qlcnic_pf_fw_cmd_hdlr[i].cmd) { |
1508 | qlcnic_pf_fw_cmd_hdlr[i].fn(trans, cmd); |
1509 | return; |
1510 | } |
1511 | } |
1512 | |
1513 | size = ARRAY_SIZE(qlcnic_pf_passthru_supp_cmds); |
1514 | for (i = 0; i < size; i++) { |
1515 | if (cmd_op == qlcnic_pf_passthru_supp_cmds[i]) { |
1516 | qlcnic_issue_cmd(adapter, cmd); |
1517 | return; |
1518 | } |
1519 | } |
1520 | } |
1521 | |
1522 | cmd->rsp.arg[0] |= (0x9 << 25); |
1523 | } |
1524 | |
1525 | void qlcnic_pf_set_interface_id_create_rx_ctx(struct qlcnic_adapter *adapter, |
1526 | u32 *int_id) |
1527 | { |
1528 | u16 vpid; |
1529 | |
1530 | vpid = qlcnic_sriov_pf_get_vport_handle(adapter, |
1531 | func: adapter->ahw->pci_func); |
1532 | *int_id |= vpid; |
1533 | } |
1534 | |
1535 | void qlcnic_pf_set_interface_id_del_rx_ctx(struct qlcnic_adapter *adapter, |
1536 | u32 *int_id) |
1537 | { |
1538 | u16 vpid; |
1539 | |
1540 | vpid = qlcnic_sriov_pf_get_vport_handle(adapter, |
1541 | func: adapter->ahw->pci_func); |
1542 | *int_id |= vpid << 16; |
1543 | } |
1544 | |
1545 | void qlcnic_pf_set_interface_id_create_tx_ctx(struct qlcnic_adapter *adapter, |
1546 | u32 *int_id) |
1547 | { |
1548 | int vpid; |
1549 | |
1550 | vpid = qlcnic_sriov_pf_get_vport_handle(adapter, |
1551 | func: adapter->ahw->pci_func); |
1552 | *int_id |= vpid << 16; |
1553 | } |
1554 | |
1555 | void qlcnic_pf_set_interface_id_del_tx_ctx(struct qlcnic_adapter *adapter, |
1556 | u32 *int_id) |
1557 | { |
1558 | u16 vpid; |
1559 | |
1560 | vpid = qlcnic_sriov_pf_get_vport_handle(adapter, |
1561 | func: adapter->ahw->pci_func); |
1562 | *int_id |= vpid << 16; |
1563 | } |
1564 | |
1565 | void qlcnic_pf_set_interface_id_promisc(struct qlcnic_adapter *adapter, |
1566 | u32 *int_id) |
1567 | { |
1568 | u16 vpid; |
1569 | |
1570 | vpid = qlcnic_sriov_pf_get_vport_handle(adapter, |
1571 | func: adapter->ahw->pci_func); |
1572 | *int_id |= (vpid << 16) | BIT_31; |
1573 | } |
1574 | |
1575 | void qlcnic_pf_set_interface_id_ipaddr(struct qlcnic_adapter *adapter, |
1576 | u32 *int_id) |
1577 | { |
1578 | u16 vpid; |
1579 | |
1580 | vpid = qlcnic_sriov_pf_get_vport_handle(adapter, |
1581 | func: adapter->ahw->pci_func); |
1582 | *int_id |= (vpid << 16) | BIT_31; |
1583 | } |
1584 | |
1585 | void qlcnic_pf_set_interface_id_macaddr(struct qlcnic_adapter *adapter, |
1586 | u32 *int_id) |
1587 | { |
1588 | u16 vpid; |
1589 | |
1590 | vpid = qlcnic_sriov_pf_get_vport_handle(adapter, |
1591 | func: adapter->ahw->pci_func); |
1592 | *int_id |= (vpid << 16) | BIT_31; |
1593 | } |
1594 | |
1595 | static void qlcnic_sriov_del_rx_ctx(struct qlcnic_adapter *adapter, |
1596 | struct qlcnic_vf_info *vf) |
1597 | { |
1598 | struct qlcnic_cmd_args cmd; |
1599 | int vpid; |
1600 | |
1601 | if (!vf->rx_ctx_id) |
1602 | return; |
1603 | |
1604 | if (qlcnic_alloc_mbx_args(mbx: &cmd, adapter, QLCNIC_CMD_DESTROY_RX_CTX)) |
1605 | return; |
1606 | |
1607 | vpid = qlcnic_sriov_pf_get_vport_handle(adapter, func: vf->pci_func); |
1608 | if (vpid >= 0) { |
1609 | cmd.req.arg[1] = vf->rx_ctx_id | (vpid & 0xffff) << 16; |
1610 | if (qlcnic_issue_cmd(adapter, cmd: &cmd)) |
1611 | dev_err(&adapter->pdev->dev, |
1612 | "Failed to delete Tx ctx in firmware for func 0x%x\n" , |
1613 | vf->pci_func); |
1614 | else |
1615 | vf->rx_ctx_id = 0; |
1616 | } |
1617 | |
1618 | qlcnic_free_mbx_args(cmd: &cmd); |
1619 | } |
1620 | |
1621 | static void qlcnic_sriov_del_tx_ctx(struct qlcnic_adapter *adapter, |
1622 | struct qlcnic_vf_info *vf) |
1623 | { |
1624 | struct qlcnic_cmd_args cmd; |
1625 | int vpid; |
1626 | |
1627 | if (!vf->tx_ctx_id) |
1628 | return; |
1629 | |
1630 | if (qlcnic_alloc_mbx_args(mbx: &cmd, adapter, QLCNIC_CMD_DESTROY_TX_CTX)) |
1631 | return; |
1632 | |
1633 | vpid = qlcnic_sriov_pf_get_vport_handle(adapter, func: vf->pci_func); |
1634 | if (vpid >= 0) { |
1635 | cmd.req.arg[1] |= vf->tx_ctx_id | (vpid & 0xffff) << 16; |
1636 | if (qlcnic_issue_cmd(adapter, cmd: &cmd)) |
1637 | dev_err(&adapter->pdev->dev, |
1638 | "Failed to delete Tx ctx in firmware for func 0x%x\n" , |
1639 | vf->pci_func); |
1640 | else |
1641 | vf->tx_ctx_id = 0; |
1642 | } |
1643 | |
1644 | qlcnic_free_mbx_args(cmd: &cmd); |
1645 | } |
1646 | |
1647 | static int qlcnic_sriov_add_act_list_irqsave(struct qlcnic_sriov *sriov, |
1648 | struct qlcnic_vf_info *vf, |
1649 | struct qlcnic_bc_trans *trans) |
1650 | { |
1651 | struct qlcnic_trans_list *t_list = &vf->rcv_act; |
1652 | unsigned long flag; |
1653 | |
1654 | spin_lock_irqsave(&t_list->lock, flag); |
1655 | |
1656 | __qlcnic_sriov_add_act_list(sriov, vf, trans); |
1657 | |
1658 | spin_unlock_irqrestore(lock: &t_list->lock, flags: flag); |
1659 | return 0; |
1660 | } |
1661 | |
1662 | static void __qlcnic_sriov_process_flr(struct qlcnic_vf_info *vf) |
1663 | { |
1664 | struct qlcnic_adapter *adapter = vf->adapter; |
1665 | |
1666 | qlcnic_sriov_cleanup_list(&vf->rcv_pend); |
1667 | cancel_work_sync(work: &vf->trans_work); |
1668 | qlcnic_sriov_cleanup_list(&vf->rcv_act); |
1669 | |
1670 | if (test_bit(QLC_BC_VF_SOFT_FLR, &vf->state)) { |
1671 | qlcnic_sriov_del_tx_ctx(adapter, vf); |
1672 | qlcnic_sriov_del_rx_ctx(adapter, vf); |
1673 | } |
1674 | |
1675 | qlcnic_sriov_pf_config_vport(adapter, flag: 0, func: vf->pci_func); |
1676 | |
1677 | clear_bit(nr: QLC_BC_VF_FLR, addr: &vf->state); |
1678 | if (test_bit(QLC_BC_VF_SOFT_FLR, &vf->state)) { |
1679 | qlcnic_sriov_add_act_list_irqsave(sriov: adapter->ahw->sriov, vf, |
1680 | trans: vf->flr_trans); |
1681 | clear_bit(nr: QLC_BC_VF_SOFT_FLR, addr: &vf->state); |
1682 | vf->flr_trans = NULL; |
1683 | } |
1684 | } |
1685 | |
1686 | static void qlcnic_sriov_pf_process_flr(struct work_struct *work) |
1687 | { |
1688 | struct qlcnic_vf_info *vf; |
1689 | |
1690 | vf = container_of(work, struct qlcnic_vf_info, flr_work); |
1691 | __qlcnic_sriov_process_flr(vf); |
1692 | return; |
1693 | } |
1694 | |
1695 | static void qlcnic_sriov_schedule_flr(struct qlcnic_sriov *sriov, |
1696 | struct qlcnic_vf_info *vf, |
1697 | work_func_t func) |
1698 | { |
1699 | if (test_bit(__QLCNIC_RESETTING, &vf->adapter->state)) |
1700 | return; |
1701 | |
1702 | INIT_WORK(&vf->flr_work, func); |
1703 | queue_work(wq: sriov->bc.bc_flr_wq, work: &vf->flr_work); |
1704 | } |
1705 | |
1706 | static void qlcnic_sriov_handle_soft_flr(struct qlcnic_adapter *adapter, |
1707 | struct qlcnic_bc_trans *trans, |
1708 | struct qlcnic_vf_info *vf) |
1709 | { |
1710 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
1711 | |
1712 | set_bit(nr: QLC_BC_VF_FLR, addr: &vf->state); |
1713 | clear_bit(nr: QLC_BC_VF_STATE, addr: &vf->state); |
1714 | set_bit(nr: QLC_BC_VF_SOFT_FLR, addr: &vf->state); |
1715 | vf->flr_trans = trans; |
1716 | qlcnic_sriov_schedule_flr(sriov, vf, func: qlcnic_sriov_pf_process_flr); |
1717 | netdev_info(dev: adapter->netdev, format: "Software FLR for PCI func %d\n" , |
1718 | vf->pci_func); |
1719 | } |
1720 | |
1721 | bool qlcnic_sriov_soft_flr_check(struct qlcnic_adapter *adapter, |
1722 | struct qlcnic_bc_trans *trans, |
1723 | struct qlcnic_vf_info *vf) |
1724 | { |
1725 | struct qlcnic_bc_hdr *hdr = trans->req_hdr; |
1726 | |
1727 | if ((hdr->cmd_op == QLCNIC_BC_CMD_CHANNEL_INIT) && |
1728 | (hdr->op_type == QLC_BC_CMD) && |
1729 | test_bit(QLC_BC_VF_STATE, &vf->state)) { |
1730 | qlcnic_sriov_handle_soft_flr(adapter, trans, vf); |
1731 | return true; |
1732 | } |
1733 | |
1734 | return false; |
1735 | } |
1736 | |
1737 | void qlcnic_sriov_pf_handle_flr(struct qlcnic_sriov *sriov, |
1738 | struct qlcnic_vf_info *vf) |
1739 | { |
1740 | struct net_device *dev = vf->adapter->netdev; |
1741 | struct qlcnic_vport *vp = vf->vp; |
1742 | |
1743 | if (!test_and_clear_bit(nr: QLC_BC_VF_STATE, addr: &vf->state)) { |
1744 | clear_bit(nr: QLC_BC_VF_FLR, addr: &vf->state); |
1745 | return; |
1746 | } |
1747 | |
1748 | if (test_and_set_bit(nr: QLC_BC_VF_FLR, addr: &vf->state)) { |
1749 | netdev_info(dev, format: "FLR for PCI func %d in progress\n" , |
1750 | vf->pci_func); |
1751 | return; |
1752 | } |
1753 | |
1754 | if (vp->vlan_mode == QLC_GUEST_VLAN_MODE) |
1755 | memset(vf->sriov_vlans, 0, |
1756 | sizeof(*vf->sriov_vlans) * sriov->num_allowed_vlans); |
1757 | |
1758 | qlcnic_sriov_schedule_flr(sriov, vf, func: qlcnic_sriov_pf_process_flr); |
1759 | netdev_info(dev, format: "FLR received for PCI func %d\n" , vf->pci_func); |
1760 | } |
1761 | |
1762 | void qlcnic_sriov_pf_reset(struct qlcnic_adapter *adapter) |
1763 | { |
1764 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
1765 | struct qlcnic_sriov *sriov = ahw->sriov; |
1766 | struct qlcnic_vf_info *vf; |
1767 | u16 num_vfs = sriov->num_vfs; |
1768 | int i; |
1769 | |
1770 | for (i = 0; i < num_vfs; i++) { |
1771 | vf = &sriov->vf_info[i]; |
1772 | vf->rx_ctx_id = 0; |
1773 | vf->tx_ctx_id = 0; |
1774 | cancel_work_sync(work: &vf->flr_work); |
1775 | __qlcnic_sriov_process_flr(vf); |
1776 | clear_bit(nr: QLC_BC_VF_STATE, addr: &vf->state); |
1777 | } |
1778 | |
1779 | qlcnic_sriov_pf_reset_vport_handle(adapter, func: ahw->pci_func); |
1780 | QLCWRX(ahw, QLCNIC_MBX_INTR_ENBL, (ahw->num_msix - 1) << 8); |
1781 | } |
1782 | |
1783 | int qlcnic_sriov_pf_reinit(struct qlcnic_adapter *adapter) |
1784 | { |
1785 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
1786 | int err; |
1787 | |
1788 | if (!qlcnic_sriov_enable_check(adapter)) |
1789 | return 0; |
1790 | |
1791 | ahw->op_mode = QLCNIC_SRIOV_PF_FUNC; |
1792 | |
1793 | err = qlcnic_sriov_pf_init(adapter); |
1794 | if (err) |
1795 | return err; |
1796 | |
1797 | dev_info(&adapter->pdev->dev, "%s: op_mode %d\n" , |
1798 | __func__, ahw->op_mode); |
1799 | return err; |
1800 | } |
1801 | |
1802 | int qlcnic_sriov_set_vf_mac(struct net_device *netdev, int vf, u8 *mac) |
1803 | { |
1804 | struct qlcnic_adapter *adapter = netdev_priv(dev: netdev); |
1805 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
1806 | int i, num_vfs; |
1807 | struct qlcnic_vf_info *vf_info; |
1808 | u8 *curr_mac; |
1809 | |
1810 | if (!qlcnic_sriov_pf_check(adapter)) |
1811 | return -EOPNOTSUPP; |
1812 | |
1813 | num_vfs = sriov->num_vfs; |
1814 | |
1815 | if (!is_valid_ether_addr(addr: mac) || vf >= num_vfs) |
1816 | return -EINVAL; |
1817 | |
1818 | if (ether_addr_equal(addr1: adapter->mac_addr, addr2: mac)) { |
1819 | netdev_err(dev: netdev, format: "MAC address is already in use by the PF\n" ); |
1820 | return -EINVAL; |
1821 | } |
1822 | |
1823 | for (i = 0; i < num_vfs; i++) { |
1824 | vf_info = &sriov->vf_info[i]; |
1825 | if (ether_addr_equal(addr1: vf_info->vp->mac, addr2: mac)) { |
1826 | netdev_err(dev: netdev, |
1827 | format: "MAC address is already in use by VF %d\n" , |
1828 | i); |
1829 | return -EINVAL; |
1830 | } |
1831 | } |
1832 | |
1833 | vf_info = &sriov->vf_info[vf]; |
1834 | curr_mac = vf_info->vp->mac; |
1835 | |
1836 | if (test_bit(QLC_BC_VF_STATE, &vf_info->state)) { |
1837 | netdev_err(dev: netdev, |
1838 | format: "MAC address change failed for VF %d, as VF driver is loaded. Please unload VF driver and retry the operation\n" , |
1839 | vf); |
1840 | return -EOPNOTSUPP; |
1841 | } |
1842 | |
1843 | memcpy(curr_mac, mac, netdev->addr_len); |
1844 | netdev_info(dev: netdev, format: "MAC Address %pM is configured for VF %d\n" , |
1845 | mac, vf); |
1846 | return 0; |
1847 | } |
1848 | |
1849 | int qlcnic_sriov_set_vf_tx_rate(struct net_device *netdev, int vf, |
1850 | int min_tx_rate, int max_tx_rate) |
1851 | { |
1852 | struct qlcnic_adapter *adapter = netdev_priv(dev: netdev); |
1853 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
1854 | struct qlcnic_vf_info *vf_info; |
1855 | struct qlcnic_info nic_info; |
1856 | struct qlcnic_vport *vp; |
1857 | u16 vpid; |
1858 | |
1859 | if (!qlcnic_sriov_pf_check(adapter)) |
1860 | return -EOPNOTSUPP; |
1861 | |
1862 | if (vf >= sriov->num_vfs) |
1863 | return -EINVAL; |
1864 | |
1865 | vf_info = &sriov->vf_info[vf]; |
1866 | vp = vf_info->vp; |
1867 | vpid = vp->handle; |
1868 | |
1869 | if (!min_tx_rate) |
1870 | min_tx_rate = QLC_VF_MIN_TX_RATE; |
1871 | |
1872 | if (max_tx_rate && max_tx_rate >= 10000) { |
1873 | netdev_err(dev: netdev, |
1874 | format: "Invalid max Tx rate, allowed range is [%d - %d]" , |
1875 | min_tx_rate, QLC_VF_MAX_TX_RATE); |
1876 | return -EINVAL; |
1877 | } |
1878 | |
1879 | if (!max_tx_rate) |
1880 | max_tx_rate = 10000; |
1881 | |
1882 | if (min_tx_rate && min_tx_rate < QLC_VF_MIN_TX_RATE) { |
1883 | netdev_err(dev: netdev, |
1884 | format: "Invalid min Tx rate, allowed range is [%d - %d]" , |
1885 | QLC_VF_MIN_TX_RATE, max_tx_rate); |
1886 | return -EINVAL; |
1887 | } |
1888 | |
1889 | if (test_bit(QLC_BC_VF_STATE, &vf_info->state)) { |
1890 | if (qlcnic_sriov_get_vf_vport_info(adapter, &nic_info, vpid)) |
1891 | return -EIO; |
1892 | |
1893 | nic_info.max_tx_bw = max_tx_rate / 100; |
1894 | nic_info.min_tx_bw = min_tx_rate / 100; |
1895 | nic_info.bit_offsets = BIT_0; |
1896 | |
1897 | if (qlcnic_sriov_pf_set_vport_info(adapter, npar_info: &nic_info, vport_id: vpid)) |
1898 | return -EIO; |
1899 | } |
1900 | |
1901 | vp->max_tx_bw = max_tx_rate / 100; |
1902 | netdev_info(dev: netdev, |
1903 | format: "Setting Max Tx rate %d (Mbps), %d %% of PF bandwidth, for VF %d\n" , |
1904 | max_tx_rate, vp->max_tx_bw, vf); |
1905 | vp->min_tx_bw = min_tx_rate / 100; |
1906 | netdev_info(dev: netdev, |
1907 | format: "Setting Min Tx rate %d (Mbps), %d %% of PF bandwidth, for VF %d\n" , |
1908 | min_tx_rate, vp->min_tx_bw, vf); |
1909 | return 0; |
1910 | } |
1911 | |
1912 | int qlcnic_sriov_set_vf_vlan(struct net_device *netdev, int vf, |
1913 | u16 vlan, u8 qos, __be16 vlan_proto) |
1914 | { |
1915 | struct qlcnic_adapter *adapter = netdev_priv(dev: netdev); |
1916 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
1917 | struct qlcnic_vf_info *vf_info; |
1918 | struct qlcnic_vport *vp; |
1919 | |
1920 | if (!qlcnic_sriov_pf_check(adapter)) |
1921 | return -EOPNOTSUPP; |
1922 | |
1923 | if (vf >= sriov->num_vfs || qos > 7) |
1924 | return -EINVAL; |
1925 | |
1926 | if (vlan_proto != htons(ETH_P_8021Q)) |
1927 | return -EPROTONOSUPPORT; |
1928 | |
1929 | if (vlan > MAX_VLAN_ID) { |
1930 | netdev_err(dev: netdev, |
1931 | format: "Invalid VLAN ID, allowed range is [0 - %d]\n" , |
1932 | MAX_VLAN_ID); |
1933 | return -EINVAL; |
1934 | } |
1935 | |
1936 | vf_info = &sriov->vf_info[vf]; |
1937 | vp = vf_info->vp; |
1938 | if (test_bit(QLC_BC_VF_STATE, &vf_info->state)) { |
1939 | netdev_err(dev: netdev, |
1940 | format: "VLAN change failed for VF %d, as VF driver is loaded. Please unload VF driver and retry the operation\n" , |
1941 | vf); |
1942 | return -EOPNOTSUPP; |
1943 | } |
1944 | |
1945 | memset(vf_info->sriov_vlans, 0, |
1946 | sizeof(*vf_info->sriov_vlans) * sriov->num_allowed_vlans); |
1947 | |
1948 | switch (vlan) { |
1949 | case 4095: |
1950 | vp->vlan_mode = QLC_GUEST_VLAN_MODE; |
1951 | break; |
1952 | case 0: |
1953 | vp->vlan_mode = QLC_NO_VLAN_MODE; |
1954 | vp->qos = 0; |
1955 | break; |
1956 | default: |
1957 | vp->vlan_mode = QLC_PVID_MODE; |
1958 | qlcnic_sriov_add_vlan_id(sriov, vf_info, vlan); |
1959 | vp->qos = qos; |
1960 | vp->pvid = vlan; |
1961 | } |
1962 | |
1963 | netdev_info(dev: netdev, format: "Setting VLAN %d, QoS %d, for VF %d\n" , |
1964 | vlan, qos, vf); |
1965 | return 0; |
1966 | } |
1967 | |
1968 | static __u32 qlcnic_sriov_get_vf_vlan(struct qlcnic_adapter *adapter, |
1969 | struct qlcnic_vport *vp, int vf) |
1970 | { |
1971 | __u32 vlan = 0; |
1972 | |
1973 | switch (vp->vlan_mode) { |
1974 | case QLC_PVID_MODE: |
1975 | vlan = vp->pvid; |
1976 | break; |
1977 | case QLC_GUEST_VLAN_MODE: |
1978 | vlan = MAX_VLAN_ID; |
1979 | break; |
1980 | case QLC_NO_VLAN_MODE: |
1981 | vlan = 0; |
1982 | break; |
1983 | default: |
1984 | netdev_info(dev: adapter->netdev, format: "Invalid VLAN mode = %d for VF %d\n" , |
1985 | vp->vlan_mode, vf); |
1986 | } |
1987 | |
1988 | return vlan; |
1989 | } |
1990 | |
1991 | int qlcnic_sriov_get_vf_config(struct net_device *netdev, |
1992 | int vf, struct ifla_vf_info *ivi) |
1993 | { |
1994 | struct qlcnic_adapter *adapter = netdev_priv(dev: netdev); |
1995 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
1996 | struct qlcnic_vport *vp; |
1997 | |
1998 | if (!qlcnic_sriov_pf_check(adapter)) |
1999 | return -EOPNOTSUPP; |
2000 | |
2001 | if (vf >= sriov->num_vfs) |
2002 | return -EINVAL; |
2003 | |
2004 | vp = sriov->vf_info[vf].vp; |
2005 | memcpy(&ivi->mac, vp->mac, ETH_ALEN); |
2006 | ivi->vlan = qlcnic_sriov_get_vf_vlan(adapter, vp, vf); |
2007 | ivi->qos = vp->qos; |
2008 | ivi->spoofchk = vp->spoofchk; |
2009 | if (vp->max_tx_bw == MAX_BW) |
2010 | ivi->max_tx_rate = 0; |
2011 | else |
2012 | ivi->max_tx_rate = vp->max_tx_bw * 100; |
2013 | if (vp->min_tx_bw == MIN_BW) |
2014 | ivi->min_tx_rate = 0; |
2015 | else |
2016 | ivi->min_tx_rate = vp->min_tx_bw * 100; |
2017 | |
2018 | ivi->vf = vf; |
2019 | return 0; |
2020 | } |
2021 | |
2022 | int qlcnic_sriov_set_vf_spoofchk(struct net_device *netdev, int vf, bool chk) |
2023 | { |
2024 | struct qlcnic_adapter *adapter = netdev_priv(dev: netdev); |
2025 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
2026 | struct qlcnic_vf_info *vf_info; |
2027 | struct qlcnic_vport *vp; |
2028 | |
2029 | if (!qlcnic_sriov_pf_check(adapter)) |
2030 | return -EOPNOTSUPP; |
2031 | |
2032 | if (vf >= sriov->num_vfs) |
2033 | return -EINVAL; |
2034 | |
2035 | vf_info = &sriov->vf_info[vf]; |
2036 | vp = vf_info->vp; |
2037 | if (test_bit(QLC_BC_VF_STATE, &vf_info->state)) { |
2038 | netdev_err(dev: netdev, |
2039 | format: "Spoof check change failed for VF %d, as VF driver is loaded. Please unload VF driver and retry the operation\n" , |
2040 | vf); |
2041 | return -EOPNOTSUPP; |
2042 | } |
2043 | |
2044 | vp->spoofchk = chk; |
2045 | return 0; |
2046 | } |
2047 | |