qlcnic: Support VF-PF communication channel commands.
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / net / ethernet / qlogic / qlcnic / qlcnic_sriov_pf.c
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
8 #include "qlcnic_sriov.h"
9 #include "qlcnic.h"
10 #include <linux/types.h>
11
12 #define QLCNIC_SRIOV_VF_MAX_MAC 1
13
14 static int qlcnic_sriov_pf_get_vport_handle(struct qlcnic_adapter *, u8);
15
16 struct qlcnic_sriov_cmd_handler {
17 int (*fn) (struct qlcnic_bc_trans *, struct qlcnic_cmd_args *);
18 };
19
20 struct qlcnic_sriov_fw_cmd_handler {
21 u32 cmd;
22 int (*fn) (struct qlcnic_bc_trans *, struct qlcnic_cmd_args *);
23 };
24
25 static int qlcnic_sriov_pf_set_vport_info(struct qlcnic_adapter *adapter,
26 struct qlcnic_info *npar_info,
27 u16 vport_id)
28 {
29 struct qlcnic_cmd_args cmd;
30 int err;
31
32 if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_NIC_INFO))
33 return -ENOMEM;
34
35 cmd.req.arg[1] = (vport_id << 16) | 0x1;
36 cmd.req.arg[2] = npar_info->bit_offsets;
37 cmd.req.arg[2] |= npar_info->min_tx_bw << 16;
38 cmd.req.arg[3] = npar_info->max_tx_bw | (npar_info->max_tx_ques << 16);
39 cmd.req.arg[4] = npar_info->max_tx_mac_filters;
40 cmd.req.arg[4] |= npar_info->max_rx_mcast_mac_filters << 16;
41 cmd.req.arg[5] = npar_info->max_rx_ucast_mac_filters |
42 (npar_info->max_rx_ip_addr << 16);
43 cmd.req.arg[6] = npar_info->max_rx_lro_flow |
44 (npar_info->max_rx_status_rings << 16);
45 cmd.req.arg[7] = npar_info->max_rx_buf_rings |
46 (npar_info->max_rx_ques << 16);
47 cmd.req.arg[8] = npar_info->max_tx_vlan_keys;
48 cmd.req.arg[8] |= npar_info->max_local_ipv6_addrs << 16;
49 cmd.req.arg[9] = npar_info->max_remote_ipv6_addrs;
50
51 err = qlcnic_issue_cmd(adapter, &cmd);
52 if (err)
53 dev_err(&adapter->pdev->dev,
54 "Failed to set vport info, err=%d\n", err);
55
56 qlcnic_free_mbx_args(&cmd);
57 return err;
58 }
59
60 static int qlcnic_sriov_pf_cal_res_limit(struct qlcnic_adapter *adapter,
61 struct qlcnic_info *info, u16 func)
62 {
63 struct qlcnic_sriov *sriov = adapter->ahw->sriov;
64 struct qlcnic_resources *res = &sriov->ff_max;
65 int ret = -EIO, vpid;
66 u32 temp, num_vf_macs, num_vfs, max;
67
68 vpid = qlcnic_sriov_pf_get_vport_handle(adapter, func);
69 if (vpid < 0)
70 return -EINVAL;
71
72 num_vfs = sriov->num_vfs;
73 max = num_vfs + 1;
74 info->bit_offsets = 0xffff;
75 info->min_tx_bw = 0;
76 info->max_tx_bw = MAX_BW;
77 info->max_tx_ques = res->num_tx_queues / max;
78 info->max_rx_mcast_mac_filters = res->num_rx_mcast_mac_filters;
79 num_vf_macs = QLCNIC_SRIOV_VF_MAX_MAC;
80
81 if (adapter->ahw->pci_func == func) {
82 temp = res->num_rx_mcast_mac_filters - (num_vfs * num_vf_macs);
83 info->max_rx_ucast_mac_filters = temp;
84 temp = res->num_tx_mac_filters - (num_vfs * num_vf_macs);
85 info->max_tx_mac_filters = temp;
86 } else {
87 info->max_rx_ucast_mac_filters = num_vf_macs;
88 info->max_tx_mac_filters = num_vf_macs;
89 }
90
91 info->max_rx_ip_addr = res->num_destip / max;
92 info->max_rx_status_rings = res->num_rx_status_rings / max;
93 info->max_rx_buf_rings = res->num_rx_buf_rings / max;
94 info->max_rx_ques = res->num_rx_queues / max;
95 info->max_rx_lro_flow = res->num_lro_flows_supported / max;
96 info->max_tx_vlan_keys = res->num_txvlan_keys;
97 info->max_local_ipv6_addrs = res->max_local_ipv6_addrs;
98 info->max_remote_ipv6_addrs = res->max_remote_ipv6_addrs;
99
100 ret = qlcnic_sriov_pf_set_vport_info(adapter, info, vpid);
101 if (ret)
102 return ret;
103
104 return 0;
105 }
106
107 static void qlcnic_sriov_pf_set_ff_max_res(struct qlcnic_adapter *adapter,
108 struct qlcnic_info *info)
109 {
110 struct qlcnic_resources *ff_max = &adapter->ahw->sriov->ff_max;
111
112 ff_max->num_tx_mac_filters = info->max_tx_mac_filters;
113 ff_max->num_rx_ucast_mac_filters = info->max_rx_ucast_mac_filters;
114 ff_max->num_rx_mcast_mac_filters = info->max_rx_mcast_mac_filters;
115 ff_max->num_txvlan_keys = info->max_tx_vlan_keys;
116 ff_max->num_rx_queues = info->max_rx_ques;
117 ff_max->num_tx_queues = info->max_tx_ques;
118 ff_max->num_lro_flows_supported = info->max_rx_lro_flow;
119 ff_max->num_destip = info->max_rx_ip_addr;
120 ff_max->num_rx_buf_rings = info->max_rx_buf_rings;
121 ff_max->num_rx_status_rings = info->max_rx_status_rings;
122 ff_max->max_remote_ipv6_addrs = info->max_remote_ipv6_addrs;
123 ff_max->max_local_ipv6_addrs = info->max_local_ipv6_addrs;
124 }
125
126 static int qlcnic_sriov_get_pf_info(struct qlcnic_adapter *adapter,
127 struct qlcnic_info *npar_info)
128 {
129 int err;
130 struct qlcnic_cmd_args cmd;
131
132 if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_NIC_INFO))
133 return -ENOMEM;
134
135 cmd.req.arg[1] = 0x2;
136 err = qlcnic_issue_cmd(adapter, &cmd);
137 if (err) {
138 dev_err(&adapter->pdev->dev,
139 "Failed to get PF info, err=%d\n", err);
140 goto out;
141 }
142
143 npar_info->total_pf = cmd.rsp.arg[2] & 0xff;
144 npar_info->total_rss_engines = (cmd.rsp.arg[2] >> 8) & 0xff;
145 npar_info->max_vports = MSW(cmd.rsp.arg[2]);
146 npar_info->max_tx_ques = LSW(cmd.rsp.arg[3]);
147 npar_info->max_tx_mac_filters = MSW(cmd.rsp.arg[3]);
148 npar_info->max_rx_mcast_mac_filters = LSW(cmd.rsp.arg[4]);
149 npar_info->max_rx_ucast_mac_filters = MSW(cmd.rsp.arg[4]);
150 npar_info->max_rx_ip_addr = LSW(cmd.rsp.arg[5]);
151 npar_info->max_rx_lro_flow = MSW(cmd.rsp.arg[5]);
152 npar_info->max_rx_status_rings = LSW(cmd.rsp.arg[6]);
153 npar_info->max_rx_buf_rings = MSW(cmd.rsp.arg[6]);
154 npar_info->max_rx_ques = LSW(cmd.rsp.arg[7]);
155 npar_info->max_tx_vlan_keys = MSW(cmd.rsp.arg[7]);
156 npar_info->max_local_ipv6_addrs = LSW(cmd.rsp.arg[8]);
157 npar_info->max_remote_ipv6_addrs = MSW(cmd.rsp.arg[8]);
158
159 dev_info(&adapter->pdev->dev,
160 "\n\ttotal_pf: %d,\n"
161 "\n\ttotal_rss_engines: %d max_vports: %d max_tx_ques %d,\n"
162 "\tmax_tx_mac_filters: %d max_rx_mcast_mac_filters: %d,\n"
163 "\tmax_rx_ucast_mac_filters: 0x%x, max_rx_ip_addr: %d,\n"
164 "\tmax_rx_lro_flow: %d max_rx_status_rings: %d,\n"
165 "\tmax_rx_buf_rings: %d, max_rx_ques: %d, max_tx_vlan_keys %d\n"
166 "\tmax_local_ipv6_addrs: %d, max_remote_ipv6_addrs: %d\n",
167 npar_info->total_pf, npar_info->total_rss_engines,
168 npar_info->max_vports, npar_info->max_tx_ques,
169 npar_info->max_tx_mac_filters,
170 npar_info->max_rx_mcast_mac_filters,
171 npar_info->max_rx_ucast_mac_filters, npar_info->max_rx_ip_addr,
172 npar_info->max_rx_lro_flow, npar_info->max_rx_status_rings,
173 npar_info->max_rx_buf_rings, npar_info->max_rx_ques,
174 npar_info->max_tx_vlan_keys, npar_info->max_local_ipv6_addrs,
175 npar_info->max_remote_ipv6_addrs);
176
177 out:
178 qlcnic_free_mbx_args(&cmd);
179 return err;
180 }
181
182 static void qlcnic_sriov_pf_reset_vport_handle(struct qlcnic_adapter *adapter,
183 u8 func)
184 {
185 struct qlcnic_sriov *sriov = adapter->ahw->sriov;
186 struct qlcnic_vport *vp;
187 int index;
188
189 if (adapter->ahw->pci_func == func) {
190 sriov->vp_handle = 0;
191 } else {
192 index = qlcnic_sriov_func_to_index(adapter, func);
193 if (index < 0)
194 return;
195 vp = sriov->vf_info[index].vp;
196 vp->handle = 0;
197 }
198 }
199
200 static void qlcnic_sriov_pf_set_vport_handle(struct qlcnic_adapter *adapter,
201 u16 vport_handle, u8 func)
202 {
203 struct qlcnic_sriov *sriov = adapter->ahw->sriov;
204 struct qlcnic_vport *vp;
205 int index;
206
207 if (adapter->ahw->pci_func == func) {
208 sriov->vp_handle = vport_handle;
209 } else {
210 index = qlcnic_sriov_func_to_index(adapter, func);
211 if (index < 0)
212 return;
213 vp = sriov->vf_info[index].vp;
214 vp->handle = vport_handle;
215 }
216 }
217
218 static int qlcnic_sriov_pf_get_vport_handle(struct qlcnic_adapter *adapter,
219 u8 func)
220 {
221 struct qlcnic_sriov *sriov = adapter->ahw->sriov;
222 struct qlcnic_vf_info *vf_info;
223 int index;
224
225 if (adapter->ahw->pci_func == func) {
226 return sriov->vp_handle;
227 } else {
228 index = qlcnic_sriov_func_to_index(adapter, func);
229 if (index >= 0) {
230 vf_info = &sriov->vf_info[index];
231 return vf_info->vp->handle;
232 }
233 }
234
235 return -EINVAL;
236 }
237
238 static int qlcnic_sriov_pf_config_vport(struct qlcnic_adapter *adapter,
239 u8 flag, u16 func)
240 {
241 struct qlcnic_cmd_args cmd;
242 int ret;
243 int vpid;
244
245 if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_VPORT))
246 return -ENOMEM;
247
248 if (flag) {
249 cmd.req.arg[3] = func << 8;
250 } else {
251 vpid = qlcnic_sriov_pf_get_vport_handle(adapter, func);
252 if (vpid < 0) {
253 ret = -EINVAL;
254 goto out;
255 }
256 cmd.req.arg[3] = ((vpid & 0xffff) << 8) | 1;
257 }
258
259 ret = qlcnic_issue_cmd(adapter, &cmd);
260 if (ret) {
261 dev_err(&adapter->pdev->dev,
262 "Failed %s vport, err %d for func 0x%x\n",
263 (flag ? "enable" : "disable"), ret, func);
264 goto out;
265 }
266
267 if (flag) {
268 vpid = cmd.rsp.arg[2] & 0xffff;
269 qlcnic_sriov_pf_set_vport_handle(adapter, vpid, func);
270 } else {
271 qlcnic_sriov_pf_reset_vport_handle(adapter, func);
272 }
273
274 out:
275 qlcnic_free_mbx_args(&cmd);
276 return ret;
277 }
278
279 static int qlcnic_sriov_pf_cfg_eswitch(struct qlcnic_adapter *adapter,
280 u8 func, u8 enable)
281 {
282 struct qlcnic_cmd_args cmd;
283 int err = -EIO;
284
285 if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_TOGGLE_ESWITCH))
286 return -ENOMEM;
287
288 cmd.req.arg[0] |= (3 << 29);
289 cmd.req.arg[1] = ((func & 0xf) << 2) | BIT_6 | BIT_1;
290 if (enable)
291 cmd.req.arg[1] |= BIT_0;
292
293 err = qlcnic_issue_cmd(adapter, &cmd);
294
295 if (err != QLCNIC_RCODE_SUCCESS) {
296 dev_err(&adapter->pdev->dev,
297 "Failed to enable sriov eswitch%d\n", err);
298 err = -EIO;
299 }
300
301 qlcnic_free_mbx_args(&cmd);
302 return err;
303 }
304
305 void qlcnic_sriov_pf_cleanup(struct qlcnic_adapter *adapter)
306 {
307 u8 func = adapter->ahw->pci_func;
308
309 if (!qlcnic_sriov_enable_check(adapter))
310 return;
311
312 qlcnic_sriov_cfg_bc_intr(adapter, 0);
313 qlcnic_sriov_pf_config_vport(adapter, 0, func);
314 qlcnic_sriov_pf_cfg_eswitch(adapter, func, 0);
315 __qlcnic_sriov_cleanup(adapter);
316 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
317 clear_bit(__QLCNIC_SRIOV_ENABLE, &adapter->state);
318 }
319
320 void qlcnic_sriov_pf_disable(struct qlcnic_adapter *adapter)
321 {
322 if (!qlcnic_sriov_pf_check(adapter))
323 return;
324
325 if (!qlcnic_sriov_enable_check(adapter))
326 return;
327
328 pci_disable_sriov(adapter->pdev);
329 netdev_info(adapter->netdev,
330 "SR-IOV is disabled successfully on port %d\n",
331 adapter->portnum);
332 }
333
334 static int qlcnic_pci_sriov_disable(struct qlcnic_adapter *adapter)
335 {
336 struct net_device *netdev = adapter->netdev;
337
338 if (netif_running(netdev))
339 __qlcnic_down(adapter, netdev);
340
341 qlcnic_sriov_pf_disable(adapter);
342
343 qlcnic_sriov_pf_cleanup(adapter);
344
345 /* After disabling SRIOV re-init the driver in default mode
346 configure opmode based on op_mode of function
347 */
348 if (qlcnic_83xx_configure_opmode(adapter))
349 return -EIO;
350
351 if (netif_running(netdev))
352 __qlcnic_up(adapter, netdev);
353
354 return 0;
355 }
356
357 static int qlcnic_sriov_pf_init(struct qlcnic_adapter *adapter)
358 {
359 struct qlcnic_hardware_context *ahw = adapter->ahw;
360 struct qlcnic_info nic_info, pf_info, vp_info;
361 int err;
362 u8 func = ahw->pci_func;
363
364 if (!qlcnic_sriov_enable_check(adapter))
365 return 0;
366
367 err = qlcnic_sriov_pf_cfg_eswitch(adapter, func, 1);
368 if (err)
369 goto clear_sriov_enable;
370
371 err = qlcnic_sriov_pf_config_vport(adapter, 1, func);
372 if (err)
373 goto disable_eswitch;
374
375 err = qlcnic_sriov_get_pf_info(adapter, &pf_info);
376 if (err)
377 goto delete_vport;
378
379 qlcnic_sriov_pf_set_ff_max_res(adapter, &pf_info);
380
381 err = qlcnic_get_nic_info(adapter, &nic_info, func);
382 if (err)
383 goto delete_vport;
384
385 err = qlcnic_sriov_pf_cal_res_limit(adapter, &vp_info, func);
386 if (err)
387 goto delete_vport;
388
389 err = qlcnic_sriov_cfg_bc_intr(adapter, 1);
390 if (err)
391 goto delete_vport;
392
393 ahw->physical_port = (u8) nic_info.phys_port;
394 ahw->switch_mode = nic_info.switch_mode;
395 ahw->max_mtu = nic_info.max_mtu;
396 ahw->capabilities = nic_info.capabilities;
397 ahw->nic_mode = QLC_83XX_SRIOV_MODE;
398 return err;
399
400 delete_vport:
401 qlcnic_sriov_pf_config_vport(adapter, 0, func);
402
403 disable_eswitch:
404 qlcnic_sriov_pf_cfg_eswitch(adapter, func, 0);
405
406 clear_sriov_enable:
407 __qlcnic_sriov_cleanup(adapter);
408 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
409 clear_bit(__QLCNIC_SRIOV_ENABLE, &adapter->state);
410 return err;
411 }
412
413 static int qlcnic_sriov_pf_enable(struct qlcnic_adapter *adapter, int num_vfs)
414 {
415 int err;
416
417 if (!qlcnic_sriov_enable_check(adapter))
418 return 0;
419
420 err = pci_enable_sriov(adapter->pdev, num_vfs);
421 if (err)
422 qlcnic_sriov_pf_cleanup(adapter);
423
424 return err;
425 }
426
427 static int __qlcnic_pci_sriov_enable(struct qlcnic_adapter *adapter,
428 int num_vfs)
429 {
430 int err = 0;
431
432 set_bit(__QLCNIC_SRIOV_ENABLE, &adapter->state);
433 adapter->ahw->op_mode = QLCNIC_SRIOV_PF_FUNC;
434
435 if (qlcnic_sriov_init(adapter, num_vfs)) {
436 clear_bit(__QLCNIC_SRIOV_ENABLE, &adapter->state);
437 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
438 return -EIO;
439 }
440
441 if (qlcnic_sriov_pf_init(adapter))
442 return -EIO;
443
444 err = qlcnic_sriov_pf_enable(adapter, num_vfs);
445 return err;
446 }
447
448 static int qlcnic_pci_sriov_enable(struct qlcnic_adapter *adapter, int num_vfs)
449 {
450 struct net_device *netdev = adapter->netdev;
451 int err;
452
453 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
454 netdev_err(netdev,
455 "SR-IOV cannot be enabled, when legacy interrupts are enabled\n");
456 return -EIO;
457 }
458
459 if (netif_running(netdev))
460 __qlcnic_down(adapter, netdev);
461
462 err = __qlcnic_pci_sriov_enable(adapter, num_vfs);
463 if (err) {
464 netdev_info(netdev, "Failed to enable SR-IOV on port %d\n",
465 adapter->portnum);
466
467 if (qlcnic_83xx_configure_opmode(adapter))
468 goto error;
469 } else {
470 netdev_info(adapter->netdev,
471 "SR-IOV is enabled successfully on port %d\n",
472 adapter->portnum);
473 }
474 if (netif_running(netdev))
475 __qlcnic_up(adapter, netdev);
476
477 error:
478 return err;
479 }
480
481 int qlcnic_pci_sriov_configure(struct pci_dev *dev, int num_vfs)
482 {
483 struct qlcnic_adapter *adapter = pci_get_drvdata(dev);
484 int err;
485
486 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
487 return -EBUSY;
488
489 if (num_vfs == 0)
490 err = qlcnic_pci_sriov_disable(adapter);
491 else
492 err = qlcnic_pci_sriov_enable(adapter, num_vfs);
493
494 clear_bit(__QLCNIC_RESETTING, &adapter->state);
495 return err;
496 }
497
498 static int qlcnic_sriov_set_vf_vport_info(struct qlcnic_adapter *adapter,
499 u16 func)
500 {
501 struct qlcnic_info defvp_info;
502 int err;
503
504 err = qlcnic_sriov_pf_cal_res_limit(adapter, &defvp_info, func);
505 if (err)
506 return -EIO;
507
508 return 0;
509 }
510
511 static int qlcnic_sriov_pf_channel_cfg_cmd(struct qlcnic_bc_trans *trans,
512 struct qlcnic_cmd_args *cmd)
513 {
514 struct qlcnic_vf_info *vf = trans->vf;
515 struct qlcnic_adapter *adapter = vf->adapter;
516 int err;
517 u16 func = vf->pci_func;
518
519 cmd->rsp.arg[0] = trans->req_hdr->cmd_op;
520 cmd->rsp.arg[0] |= (1 << 16);
521
522 if (trans->req_hdr->cmd_op == QLCNIC_BC_CMD_CHANNEL_INIT) {
523 err = qlcnic_sriov_pf_config_vport(adapter, 1, func);
524 if (!err) {
525 err = qlcnic_sriov_set_vf_vport_info(adapter, func);
526 if (err)
527 qlcnic_sriov_pf_config_vport(adapter, 0, func);
528 }
529 } else {
530 err = qlcnic_sriov_pf_config_vport(adapter, 0, func);
531 }
532
533 if (err)
534 goto err_out;
535
536 cmd->rsp.arg[0] |= (1 << 25);
537
538 if (trans->req_hdr->cmd_op == QLCNIC_BC_CMD_CHANNEL_INIT)
539 set_bit(QLC_BC_VF_STATE, &vf->state);
540 else
541 clear_bit(QLC_BC_VF_STATE, &vf->state);
542
543 return err;
544
545 err_out:
546 cmd->rsp.arg[0] |= (2 << 25);
547 return err;
548 }
549
550 static int qlcnic_sriov_cfg_vf_def_mac(struct qlcnic_adapter *adapter,
551 struct qlcnic_vport *vp,
552 u16 func, __le16 vlan, u8 op)
553 {
554 struct qlcnic_cmd_args cmd;
555 struct qlcnic_macvlan_mbx mv;
556 u8 *addr;
557 int err;
558 u32 *buf;
559 int vpid;
560
561 if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_MAC_VLAN))
562 return -ENOMEM;
563
564 vpid = qlcnic_sriov_pf_get_vport_handle(adapter, func);
565 if (vpid < 0) {
566 err = -EINVAL;
567 goto out;
568 }
569
570 if (vlan)
571 op = ((op == QLCNIC_MAC_ADD || op == QLCNIC_MAC_VLAN_ADD) ?
572 QLCNIC_MAC_VLAN_ADD : QLCNIC_MAC_VLAN_DEL);
573
574 cmd.req.arg[1] = op | (1 << 8) | (3 << 6);
575 cmd.req.arg[1] |= ((vpid & 0xffff) << 16) | BIT_31;
576
577 addr = vp->mac;
578 mv.vlan = le16_to_cpu(vlan);
579 mv.mac_addr0 = addr[0];
580 mv.mac_addr1 = addr[1];
581 mv.mac_addr2 = addr[2];
582 mv.mac_addr3 = addr[3];
583 mv.mac_addr4 = addr[4];
584 mv.mac_addr5 = addr[5];
585 buf = &cmd.req.arg[2];
586 memcpy(buf, &mv, sizeof(struct qlcnic_macvlan_mbx));
587
588 err = qlcnic_issue_cmd(adapter, &cmd);
589
590 if (err)
591 dev_err(&adapter->pdev->dev,
592 "MAC-VLAN %s to CAM failed, err=%d.\n",
593 ((op == 1) ? "add " : "delete "), err);
594
595 out:
596 qlcnic_free_mbx_args(&cmd);
597 return err;
598 }
599
600 static int qlcnic_sriov_validate_create_rx_ctx(struct qlcnic_cmd_args *cmd)
601 {
602 if ((cmd->req.arg[0] >> 29) != 0x3)
603 return -EINVAL;
604
605 return 0;
606 }
607
608 static int qlcnic_sriov_pf_create_rx_ctx_cmd(struct qlcnic_bc_trans *tran,
609 struct qlcnic_cmd_args *cmd)
610 {
611 struct qlcnic_vf_info *vf = tran->vf;
612 struct qlcnic_adapter *adapter = vf->adapter;
613 struct qlcnic_rcv_mbx_out *mbx_out;
614 int err;
615
616 err = qlcnic_sriov_validate_create_rx_ctx(cmd);
617 if (err) {
618 cmd->rsp.arg[0] |= (0x6 << 25);
619 return err;
620 }
621
622 cmd->req.arg[6] = vf->vp->handle;
623 err = qlcnic_issue_cmd(adapter, cmd);
624
625 if (!err) {
626 mbx_out = (struct qlcnic_rcv_mbx_out *)&cmd->rsp.arg[1];
627 vf->rx_ctx_id = mbx_out->ctx_id;
628 qlcnic_sriov_cfg_vf_def_mac(adapter, vf->vp, vf->pci_func,
629 0, QLCNIC_MAC_ADD);
630 } else {
631 vf->rx_ctx_id = 0;
632 }
633
634 return err;
635 }
636
637 static int qlcnic_sriov_pf_mac_address_cmd(struct qlcnic_bc_trans *trans,
638 struct qlcnic_cmd_args *cmd)
639 {
640 struct qlcnic_vf_info *vf = trans->vf;
641 u8 type, *mac;
642
643 type = cmd->req.arg[1];
644 switch (type) {
645 case QLCNIC_SET_STATION_MAC:
646 case QLCNIC_SET_FAC_DEF_MAC:
647 cmd->rsp.arg[0] = (2 << 25);
648 break;
649 case QLCNIC_GET_CURRENT_MAC:
650 cmd->rsp.arg[0] = (1 << 25);
651 mac = vf->vp->mac;
652 cmd->rsp.arg[2] = mac[1] | ((mac[0] << 8) & 0xff00);
653 cmd->rsp.arg[1] = mac[5] | ((mac[4] << 8) & 0xff00) |
654 ((mac[3]) << 16 & 0xff0000) |
655 ((mac[2]) << 24 & 0xff000000);
656 }
657
658 return 0;
659 }
660
661 static int qlcnic_sriov_validate_create_tx_ctx(struct qlcnic_cmd_args *cmd)
662 {
663 if ((cmd->req.arg[0] >> 29) != 0x3)
664 return -EINVAL;
665
666 return 0;
667 }
668
669 static int qlcnic_sriov_pf_create_tx_ctx_cmd(struct qlcnic_bc_trans *trans,
670 struct qlcnic_cmd_args *cmd)
671 {
672 struct qlcnic_vf_info *vf = trans->vf;
673 struct qlcnic_adapter *adapter = vf->adapter;
674 struct qlcnic_tx_mbx_out *mbx_out;
675 int err;
676
677 err = qlcnic_sriov_validate_create_tx_ctx(cmd);
678 if (err) {
679 cmd->rsp.arg[0] |= (0x6 << 25);
680 return err;
681 }
682
683 cmd->req.arg[5] |= vf->vp->handle << 16;
684 err = qlcnic_issue_cmd(adapter, cmd);
685 if (!err) {
686 mbx_out = (struct qlcnic_tx_mbx_out *)&cmd->rsp.arg[2];
687 vf->tx_ctx_id = mbx_out->ctx_id;
688 } else {
689 vf->tx_ctx_id = 0;
690 }
691
692 return err;
693 }
694
695 static int qlcnic_sriov_validate_del_rx_ctx(struct qlcnic_vf_info *vf,
696 struct qlcnic_cmd_args *cmd)
697 {
698 if ((cmd->req.arg[0] >> 29) != 0x3)
699 return -EINVAL;
700
701 if ((cmd->req.arg[1] & 0xffff) != vf->rx_ctx_id)
702 return -EINVAL;
703
704 return 0;
705 }
706
707 static int qlcnic_sriov_pf_del_rx_ctx_cmd(struct qlcnic_bc_trans *trans,
708 struct qlcnic_cmd_args *cmd)
709 {
710 struct qlcnic_vf_info *vf = trans->vf;
711 struct qlcnic_adapter *adapter = vf->adapter;
712 int err;
713
714 err = qlcnic_sriov_validate_del_rx_ctx(vf, cmd);
715 if (err) {
716 cmd->rsp.arg[0] |= (0x6 << 25);
717 return err;
718 }
719
720 qlcnic_sriov_cfg_vf_def_mac(adapter, vf->vp, vf->pci_func,
721 0, QLCNIC_MAC_DEL);
722 cmd->req.arg[1] |= vf->vp->handle << 16;
723 err = qlcnic_issue_cmd(adapter, cmd);
724
725 if (!err)
726 vf->rx_ctx_id = 0;
727
728 return err;
729 }
730
731 static int qlcnic_sriov_validate_del_tx_ctx(struct qlcnic_vf_info *vf,
732 struct qlcnic_cmd_args *cmd)
733 {
734 if ((cmd->req.arg[0] >> 29) != 0x3)
735 return -EINVAL;
736
737 if ((cmd->req.arg[1] & 0xffff) != vf->tx_ctx_id)
738 return -EINVAL;
739
740 return 0;
741 }
742
743 static int qlcnic_sriov_pf_del_tx_ctx_cmd(struct qlcnic_bc_trans *trans,
744 struct qlcnic_cmd_args *cmd)
745 {
746 struct qlcnic_vf_info *vf = trans->vf;
747 struct qlcnic_adapter *adapter = vf->adapter;
748 int err;
749
750 err = qlcnic_sriov_validate_del_tx_ctx(vf, cmd);
751 if (err) {
752 cmd->rsp.arg[0] |= (0x6 << 25);
753 return err;
754 }
755
756 cmd->req.arg[1] |= vf->vp->handle << 16;
757 err = qlcnic_issue_cmd(adapter, cmd);
758
759 if (!err)
760 vf->tx_ctx_id = 0;
761
762 return err;
763 }
764
765 static int qlcnic_sriov_validate_cfg_lro(struct qlcnic_vf_info *vf,
766 struct qlcnic_cmd_args *cmd)
767 {
768 if ((cmd->req.arg[1] >> 16) != vf->rx_ctx_id)
769 return -EINVAL;
770
771 return 0;
772 }
773
774 static int qlcnic_sriov_pf_cfg_lro_cmd(struct qlcnic_bc_trans *trans,
775 struct qlcnic_cmd_args *cmd)
776 {
777 struct qlcnic_vf_info *vf = trans->vf;
778 struct qlcnic_adapter *adapter = vf->adapter;
779 int err;
780
781 err = qlcnic_sriov_validate_cfg_lro(vf, cmd);
782 if (err) {
783 cmd->rsp.arg[0] |= (0x6 << 25);
784 return err;
785 }
786
787 err = qlcnic_issue_cmd(adapter, cmd);
788 return err;
789 }
790
791 static int qlcnic_sriov_pf_cfg_ip_cmd(struct qlcnic_bc_trans *trans,
792 struct qlcnic_cmd_args *cmd)
793 {
794 struct qlcnic_vf_info *vf = trans->vf;
795 struct qlcnic_adapter *adapter = vf->adapter;
796 int err = -EIO;
797 u8 op;
798
799 op = cmd->req.arg[1] & 0xff;
800
801 cmd->req.arg[1] |= vf->vp->handle << 16;
802 cmd->req.arg[1] |= BIT_31;
803
804 err = qlcnic_issue_cmd(adapter, cmd);
805 return err;
806 }
807
808 static int qlcnic_sriov_validate_cfg_intrpt(struct qlcnic_vf_info *vf,
809 struct qlcnic_cmd_args *cmd)
810 {
811 if (((cmd->req.arg[1] >> 8) & 0xff) != vf->pci_func)
812 return -EINVAL;
813
814 if (!(cmd->req.arg[1] & BIT_16))
815 return -EINVAL;
816
817 if ((cmd->req.arg[1] & 0xff) != 0x1)
818 return -EINVAL;
819
820 return 0;
821 }
822
823 static int qlcnic_sriov_pf_cfg_intrpt_cmd(struct qlcnic_bc_trans *trans,
824 struct qlcnic_cmd_args *cmd)
825 {
826 struct qlcnic_vf_info *vf = trans->vf;
827 struct qlcnic_adapter *adapter = vf->adapter;
828 int err;
829
830 err = qlcnic_sriov_validate_cfg_intrpt(vf, cmd);
831 if (err)
832 cmd->rsp.arg[0] |= (0x6 << 25);
833 else
834 err = qlcnic_issue_cmd(adapter, cmd);
835
836 return err;
837 }
838
839 static int qlcnic_sriov_validate_mtu(struct qlcnic_adapter *adapter,
840 struct qlcnic_vf_info *vf,
841 struct qlcnic_cmd_args *cmd)
842 {
843 if (cmd->req.arg[1] != vf->rx_ctx_id)
844 return -EINVAL;
845
846 if (cmd->req.arg[2] > adapter->ahw->max_mtu)
847 return -EINVAL;
848
849 return 0;
850 }
851
852 static int qlcnic_sriov_pf_set_mtu_cmd(struct qlcnic_bc_trans *trans,
853 struct qlcnic_cmd_args *cmd)
854 {
855 struct qlcnic_vf_info *vf = trans->vf;
856 struct qlcnic_adapter *adapter = vf->adapter;
857 int err;
858
859 err = qlcnic_sriov_validate_mtu(adapter, vf, cmd);
860 if (err)
861 cmd->rsp.arg[0] |= (0x6 << 25);
862 else
863 err = qlcnic_issue_cmd(adapter, cmd);
864
865 return err;
866 }
867
868 static int qlcnic_sriov_validate_get_nic_info(struct qlcnic_vf_info *vf,
869 struct qlcnic_cmd_args *cmd)
870 {
871 if (cmd->req.arg[1] & BIT_31) {
872 if (((cmd->req.arg[1] >> 16) & 0x7fff) != vf->pci_func)
873 return -EINVAL;
874 } else {
875 cmd->req.arg[1] |= vf->vp->handle << 16;
876 }
877
878 return 0;
879 }
880
881 static int qlcnic_sriov_pf_get_nic_info_cmd(struct qlcnic_bc_trans *trans,
882 struct qlcnic_cmd_args *cmd)
883 {
884 struct qlcnic_vf_info *vf = trans->vf;
885 struct qlcnic_adapter *adapter = vf->adapter;
886 int err;
887
888 err = qlcnic_sriov_validate_get_nic_info(vf, cmd);
889 if (err) {
890 cmd->rsp.arg[0] |= (0x6 << 25);
891 return err;
892 }
893
894 err = qlcnic_issue_cmd(adapter, cmd);
895 return err;
896 }
897
898 static int qlcnic_sriov_validate_cfg_rss(struct qlcnic_vf_info *vf,
899 struct qlcnic_cmd_args *cmd)
900 {
901 if (cmd->req.arg[1] != vf->rx_ctx_id)
902 return -EINVAL;
903
904 return 0;
905 }
906
907 static int qlcnic_sriov_pf_cfg_rss_cmd(struct qlcnic_bc_trans *trans,
908 struct qlcnic_cmd_args *cmd)
909 {
910 struct qlcnic_vf_info *vf = trans->vf;
911 struct qlcnic_adapter *adapter = vf->adapter;
912 int err;
913
914 err = qlcnic_sriov_validate_cfg_rss(vf, cmd);
915 if (err)
916 cmd->rsp.arg[0] |= (0x6 << 25);
917 else
918 err = qlcnic_issue_cmd(adapter, cmd);
919
920 return err;
921 }
922
923 static int qlcnic_sriov_validate_cfg_intrcoal(struct qlcnic_adapter *adapter,
924 struct qlcnic_vf_info *vf,
925 struct qlcnic_cmd_args *cmd)
926 {
927 struct qlcnic_nic_intr_coalesce *coal = &adapter->ahw->coal;
928 u16 ctx_id, pkts, time;
929
930 ctx_id = cmd->req.arg[1] >> 16;
931 pkts = cmd->req.arg[2] & 0xffff;
932 time = cmd->req.arg[2] >> 16;
933
934 if (ctx_id != vf->rx_ctx_id)
935 return -EINVAL;
936 if (pkts > coal->rx_packets)
937 return -EINVAL;
938 if (time < coal->rx_time_us)
939 return -EINVAL;
940
941 return 0;
942 }
943
944 static int qlcnic_sriov_pf_cfg_intrcoal_cmd(struct qlcnic_bc_trans *tran,
945 struct qlcnic_cmd_args *cmd)
946 {
947 struct qlcnic_vf_info *vf = tran->vf;
948 struct qlcnic_adapter *adapter = vf->adapter;
949 int err;
950
951 err = qlcnic_sriov_validate_cfg_intrcoal(adapter, vf, cmd);
952 if (err) {
953 cmd->rsp.arg[0] |= (0x6 << 25);
954 return err;
955 }
956
957 err = qlcnic_issue_cmd(adapter, cmd);
958 return err;
959 }
960
961 static int qlcnic_sriov_validate_cfg_macvlan(struct qlcnic_adapter *adapter,
962 struct qlcnic_vf_info *vf,
963 struct qlcnic_cmd_args *cmd)
964 {
965 struct qlcnic_macvlan_mbx *macvlan;
966
967 if (!(cmd->req.arg[1] & BIT_8))
968 return -EINVAL;
969
970 cmd->req.arg[1] |= (vf->vp->handle << 16);
971 cmd->req.arg[1] |= BIT_31;
972
973 macvlan = (struct qlcnic_macvlan_mbx *)&cmd->req.arg[2];
974 if (!(macvlan->mac_addr0 & BIT_0)) {
975 dev_err(&adapter->pdev->dev,
976 "MAC address change is not allowed from VF %d",
977 vf->pci_func);
978 return -EINVAL;
979 }
980
981 return 0;
982 }
983
984 static int qlcnic_sriov_pf_cfg_macvlan_cmd(struct qlcnic_bc_trans *trans,
985 struct qlcnic_cmd_args *cmd)
986 {
987 struct qlcnic_vf_info *vf = trans->vf;
988 struct qlcnic_adapter *adapter = vf->adapter;
989 int err;
990
991 err = qlcnic_sriov_validate_cfg_macvlan(adapter, vf, cmd);
992 if (err) {
993 cmd->rsp.arg[0] |= (0x6 << 25);
994 return err;
995 }
996
997 err = qlcnic_issue_cmd(adapter, cmd);
998 return err;
999 }
1000
1001 static int qlcnic_sriov_validate_linkevent(struct qlcnic_vf_info *vf,
1002 struct qlcnic_cmd_args *cmd)
1003 {
1004 if ((cmd->req.arg[1] >> 16) != vf->rx_ctx_id)
1005 return -EINVAL;
1006
1007 if (!(cmd->req.arg[1] & BIT_8))
1008 return -EINVAL;
1009
1010 return 0;
1011 }
1012
1013 static int qlcnic_sriov_pf_linkevent_cmd(struct qlcnic_bc_trans *trans,
1014 struct qlcnic_cmd_args *cmd)
1015 {
1016 struct qlcnic_vf_info *vf = trans->vf;
1017 struct qlcnic_adapter *adapter = vf->adapter;
1018 int err;
1019
1020 err = qlcnic_sriov_validate_linkevent(vf, cmd);
1021 if (err) {
1022 cmd->rsp.arg[0] |= (0x6 << 25);
1023 return err;
1024 }
1025
1026 err = qlcnic_issue_cmd(adapter, cmd);
1027 return err;
1028 }
1029
1030 static int qlcnic_sriov_pf_cfg_promisc_cmd(struct qlcnic_bc_trans *trans,
1031 struct qlcnic_cmd_args *cmd)
1032 {
1033 struct qlcnic_vf_info *vf = trans->vf;
1034 struct qlcnic_adapter *adapter = vf->adapter;
1035 int err;
1036
1037 cmd->req.arg[1] |= vf->vp->handle << 16;
1038 cmd->req.arg[1] |= BIT_31;
1039 err = qlcnic_issue_cmd(adapter, cmd);
1040 return err;
1041 }
1042
1043 static const int qlcnic_pf_passthru_supp_cmds[] = {
1044 QLCNIC_CMD_GET_STATISTICS,
1045 QLCNIC_CMD_GET_PORT_CONFIG,
1046 QLCNIC_CMD_GET_LINK_STATUS,
1047 };
1048
1049 static const struct qlcnic_sriov_cmd_handler qlcnic_pf_bc_cmd_hdlr[] = {
1050 [QLCNIC_BC_CMD_CHANNEL_INIT] = {&qlcnic_sriov_pf_channel_cfg_cmd},
1051 [QLCNIC_BC_CMD_CHANNEL_TERM] = {&qlcnic_sriov_pf_channel_cfg_cmd},
1052 };
1053
1054 static const struct qlcnic_sriov_fw_cmd_handler qlcnic_pf_fw_cmd_hdlr[] = {
1055 {QLCNIC_CMD_CREATE_RX_CTX, qlcnic_sriov_pf_create_rx_ctx_cmd},
1056 {QLCNIC_CMD_CREATE_TX_CTX, qlcnic_sriov_pf_create_tx_ctx_cmd},
1057 {QLCNIC_CMD_MAC_ADDRESS, qlcnic_sriov_pf_mac_address_cmd},
1058 {QLCNIC_CMD_DESTROY_RX_CTX, qlcnic_sriov_pf_del_rx_ctx_cmd},
1059 {QLCNIC_CMD_DESTROY_TX_CTX, qlcnic_sriov_pf_del_tx_ctx_cmd},
1060 {QLCNIC_CMD_CONFIGURE_HW_LRO, qlcnic_sriov_pf_cfg_lro_cmd},
1061 {QLCNIC_CMD_CONFIGURE_IP_ADDR, qlcnic_sriov_pf_cfg_ip_cmd},
1062 {QLCNIC_CMD_CONFIG_INTRPT, qlcnic_sriov_pf_cfg_intrpt_cmd},
1063 {QLCNIC_CMD_SET_MTU, qlcnic_sriov_pf_set_mtu_cmd},
1064 {QLCNIC_CMD_GET_NIC_INFO, qlcnic_sriov_pf_get_nic_info_cmd},
1065 {QLCNIC_CMD_CONFIGURE_RSS, qlcnic_sriov_pf_cfg_rss_cmd},
1066 {QLCNIC_CMD_CONFIG_INTR_COAL, qlcnic_sriov_pf_cfg_intrcoal_cmd},
1067 {QLCNIC_CMD_CONFIG_MAC_VLAN, qlcnic_sriov_pf_cfg_macvlan_cmd},
1068 {QLCNIC_CMD_GET_LINK_EVENT, qlcnic_sriov_pf_linkevent_cmd},
1069 {QLCNIC_CMD_CONFIGURE_MAC_RX_MODE, qlcnic_sriov_pf_cfg_promisc_cmd},
1070 };
1071
1072 void qlcnic_sriov_pf_process_bc_cmd(struct qlcnic_adapter *adapter,
1073 struct qlcnic_bc_trans *trans,
1074 struct qlcnic_cmd_args *cmd)
1075 {
1076 u8 size, cmd_op;
1077
1078 cmd_op = trans->req_hdr->cmd_op;
1079
1080 if (trans->req_hdr->op_type == QLC_BC_CMD) {
1081 size = ARRAY_SIZE(qlcnic_pf_bc_cmd_hdlr);
1082 if (cmd_op < size) {
1083 qlcnic_pf_bc_cmd_hdlr[cmd_op].fn(trans, cmd);
1084 return;
1085 }
1086 } else {
1087 int i;
1088 size = ARRAY_SIZE(qlcnic_pf_fw_cmd_hdlr);
1089 for (i = 0; i < size; i++) {
1090 if (cmd_op == qlcnic_pf_fw_cmd_hdlr[i].cmd) {
1091 qlcnic_pf_fw_cmd_hdlr[i].fn(trans, cmd);
1092 return;
1093 }
1094 }
1095
1096 size = ARRAY_SIZE(qlcnic_pf_passthru_supp_cmds);
1097 for (i = 0; i < size; i++) {
1098 if (cmd_op == qlcnic_pf_passthru_supp_cmds[i]) {
1099 qlcnic_issue_cmd(adapter, cmd);
1100 return;
1101 }
1102 }
1103 }
1104
1105 cmd->rsp.arg[0] |= (0x9 << 25);
1106 }
1107
1108 void qlcnic_pf_set_interface_id_create_rx_ctx(struct qlcnic_adapter *adapter,
1109 u32 *int_id)
1110 {
1111 u16 vpid;
1112
1113 vpid = qlcnic_sriov_pf_get_vport_handle(adapter,
1114 adapter->ahw->pci_func);
1115 *int_id |= vpid;
1116 }
1117
1118 void qlcnic_pf_set_interface_id_del_rx_ctx(struct qlcnic_adapter *adapter,
1119 u32 *int_id)
1120 {
1121 u16 vpid;
1122
1123 vpid = qlcnic_sriov_pf_get_vport_handle(adapter,
1124 adapter->ahw->pci_func);
1125 *int_id |= vpid << 16;
1126 }
1127
1128 void qlcnic_pf_set_interface_id_create_tx_ctx(struct qlcnic_adapter *adapter,
1129 u32 *int_id)
1130 {
1131 int vpid;
1132
1133 vpid = qlcnic_sriov_pf_get_vport_handle(adapter,
1134 adapter->ahw->pci_func);
1135 *int_id |= vpid << 16;
1136 }
1137
1138 void qlcnic_pf_set_interface_id_del_tx_ctx(struct qlcnic_adapter *adapter,
1139 u32 *int_id)
1140 {
1141 u16 vpid;
1142
1143 vpid = qlcnic_sriov_pf_get_vport_handle(adapter,
1144 adapter->ahw->pci_func);
1145 *int_id |= vpid << 16;
1146 }
1147
1148 void qlcnic_pf_set_interface_id_promisc(struct qlcnic_adapter *adapter,
1149 u32 *int_id)
1150 {
1151 u16 vpid;
1152
1153 vpid = qlcnic_sriov_pf_get_vport_handle(adapter,
1154 adapter->ahw->pci_func);
1155 *int_id |= (vpid << 16) | BIT_31;
1156 }
1157
1158 void qlcnic_pf_set_interface_id_ipaddr(struct qlcnic_adapter *adapter,
1159 u32 *int_id)
1160 {
1161 u16 vpid;
1162
1163 vpid = qlcnic_sriov_pf_get_vport_handle(adapter,
1164 adapter->ahw->pci_func);
1165 *int_id |= (vpid << 16) | BIT_31;
1166 }
1167
1168 void qlcnic_pf_set_interface_id_macaddr(struct qlcnic_adapter *adapter,
1169 u32 *int_id)
1170 {
1171 u16 vpid;
1172
1173 vpid = qlcnic_sriov_pf_get_vport_handle(adapter,
1174 adapter->ahw->pci_func);
1175 *int_id |= (vpid << 16) | BIT_31;
1176 }