Merge remote-tracking branch 'asoc/topic/max98090' into asoc-next
[pandora-kernel.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 #define QLC_VF_MIN_TX_RATE      100
14 #define QLC_VF_MAX_TX_RATE      9999
15
16 static int qlcnic_sriov_pf_get_vport_handle(struct qlcnic_adapter *, u8);
17
18 struct qlcnic_sriov_cmd_handler {
19         int (*fn) (struct qlcnic_bc_trans *, struct qlcnic_cmd_args *);
20 };
21
22 struct qlcnic_sriov_fw_cmd_handler {
23         u32 cmd;
24         int (*fn) (struct qlcnic_bc_trans *, struct qlcnic_cmd_args *);
25 };
26
27 static int qlcnic_sriov_pf_set_vport_info(struct qlcnic_adapter *adapter,
28                                           struct qlcnic_info *npar_info,
29                                           u16 vport_id)
30 {
31         struct qlcnic_cmd_args cmd;
32         int err;
33
34         if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_NIC_INFO))
35                 return -ENOMEM;
36
37         cmd.req.arg[1] = (vport_id << 16) | 0x1;
38         cmd.req.arg[2] = npar_info->bit_offsets;
39         cmd.req.arg[2] |= npar_info->min_tx_bw << 16;
40         cmd.req.arg[3] = npar_info->max_tx_bw | (npar_info->max_tx_ques << 16);
41         cmd.req.arg[4] = npar_info->max_tx_mac_filters;
42         cmd.req.arg[4] |= npar_info->max_rx_mcast_mac_filters << 16;
43         cmd.req.arg[5] = npar_info->max_rx_ucast_mac_filters |
44                          (npar_info->max_rx_ip_addr << 16);
45         cmd.req.arg[6] = npar_info->max_rx_lro_flow |
46                          (npar_info->max_rx_status_rings << 16);
47         cmd.req.arg[7] = npar_info->max_rx_buf_rings |
48                          (npar_info->max_rx_ques << 16);
49         cmd.req.arg[8] = npar_info->max_tx_vlan_keys;
50         cmd.req.arg[8] |= npar_info->max_local_ipv6_addrs << 16;
51         cmd.req.arg[9] = npar_info->max_remote_ipv6_addrs;
52
53         err = qlcnic_issue_cmd(adapter, &cmd);
54         if (err)
55                 dev_err(&adapter->pdev->dev,
56                         "Failed to set vport info, err=%d\n", err);
57
58         qlcnic_free_mbx_args(&cmd);
59         return err;
60 }
61
62 static int qlcnic_sriov_pf_cal_res_limit(struct qlcnic_adapter *adapter,
63                                          struct qlcnic_info *info, u16 func)
64 {
65         struct qlcnic_sriov *sriov = adapter->ahw->sriov;
66         struct qlcnic_resources *res = &sriov->ff_max;
67         u32 temp, num_vf_macs, num_vfs, max;
68         int ret = -EIO, vpid, id;
69         struct qlcnic_vport *vp;
70
71         vpid = qlcnic_sriov_pf_get_vport_handle(adapter, func);
72         if (vpid < 0)
73                 return -EINVAL;
74
75         num_vfs = sriov->num_vfs;
76         max = num_vfs + 1;
77         info->bit_offsets = 0xffff;
78         info->max_tx_ques = res->num_tx_queues / max;
79         info->max_rx_mcast_mac_filters = res->num_rx_mcast_mac_filters;
80         num_vf_macs = QLCNIC_SRIOV_VF_MAX_MAC;
81
82         if (adapter->ahw->pci_func == func) {
83                 temp = res->num_rx_mcast_mac_filters - (num_vfs * num_vf_macs);
84                 info->max_rx_ucast_mac_filters = temp;
85                 temp = res->num_tx_mac_filters - (num_vfs * num_vf_macs);
86                 info->max_tx_mac_filters = temp;
87                 info->min_tx_bw = 0;
88                 info->max_tx_bw = MAX_BW;
89         } else {
90                 id = qlcnic_sriov_func_to_index(adapter, func);
91                 if (id < 0)
92                         return id;
93                 vp = sriov->vf_info[id].vp;
94                 info->min_tx_bw = vp->min_tx_bw;
95                 info->max_tx_bw = vp->max_tx_bw;
96                 info->max_rx_ucast_mac_filters = num_vf_macs;
97                 info->max_tx_mac_filters = num_vf_macs;
98         }
99
100         info->max_rx_ip_addr = res->num_destip / max;
101         info->max_rx_status_rings = res->num_rx_status_rings / max;
102         info->max_rx_buf_rings = res->num_rx_buf_rings / max;
103         info->max_rx_ques = res->num_rx_queues / max;
104         info->max_rx_lro_flow = res->num_lro_flows_supported / max;
105         info->max_tx_vlan_keys = res->num_txvlan_keys;
106         info->max_local_ipv6_addrs = res->max_local_ipv6_addrs;
107         info->max_remote_ipv6_addrs = res->max_remote_ipv6_addrs;
108
109         ret = qlcnic_sriov_pf_set_vport_info(adapter, info, vpid);
110         if (ret)
111                 return ret;
112
113         return 0;
114 }
115
116 static void qlcnic_sriov_pf_set_ff_max_res(struct qlcnic_adapter *adapter,
117                                            struct qlcnic_info *info)
118 {
119         struct qlcnic_resources *ff_max = &adapter->ahw->sriov->ff_max;
120
121         ff_max->num_tx_mac_filters = info->max_tx_mac_filters;
122         ff_max->num_rx_ucast_mac_filters = info->max_rx_ucast_mac_filters;
123         ff_max->num_rx_mcast_mac_filters = info->max_rx_mcast_mac_filters;
124         ff_max->num_txvlan_keys = info->max_tx_vlan_keys;
125         ff_max->num_rx_queues = info->max_rx_ques;
126         ff_max->num_tx_queues = info->max_tx_ques;
127         ff_max->num_lro_flows_supported = info->max_rx_lro_flow;
128         ff_max->num_destip = info->max_rx_ip_addr;
129         ff_max->num_rx_buf_rings = info->max_rx_buf_rings;
130         ff_max->num_rx_status_rings = info->max_rx_status_rings;
131         ff_max->max_remote_ipv6_addrs = info->max_remote_ipv6_addrs;
132         ff_max->max_local_ipv6_addrs = info->max_local_ipv6_addrs;
133 }
134
135 static int qlcnic_sriov_get_pf_info(struct qlcnic_adapter *adapter,
136                                     struct qlcnic_info *npar_info)
137 {
138         int err;
139         struct qlcnic_cmd_args cmd;
140
141         if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_NIC_INFO))
142                 return -ENOMEM;
143
144         cmd.req.arg[1] = 0x2;
145         err = qlcnic_issue_cmd(adapter, &cmd);
146         if (err) {
147                 dev_err(&adapter->pdev->dev,
148                         "Failed to get PF info, err=%d\n", err);
149                 goto out;
150         }
151
152         npar_info->total_pf = cmd.rsp.arg[2] & 0xff;
153         npar_info->total_rss_engines = (cmd.rsp.arg[2] >> 8) & 0xff;
154         npar_info->max_vports = MSW(cmd.rsp.arg[2]);
155         npar_info->max_tx_ques =  LSW(cmd.rsp.arg[3]);
156         npar_info->max_tx_mac_filters = MSW(cmd.rsp.arg[3]);
157         npar_info->max_rx_mcast_mac_filters = LSW(cmd.rsp.arg[4]);
158         npar_info->max_rx_ucast_mac_filters = MSW(cmd.rsp.arg[4]);
159         npar_info->max_rx_ip_addr = LSW(cmd.rsp.arg[5]);
160         npar_info->max_rx_lro_flow = MSW(cmd.rsp.arg[5]);
161         npar_info->max_rx_status_rings = LSW(cmd.rsp.arg[6]);
162         npar_info->max_rx_buf_rings = MSW(cmd.rsp.arg[6]);
163         npar_info->max_rx_ques = LSW(cmd.rsp.arg[7]);
164         npar_info->max_tx_vlan_keys = MSW(cmd.rsp.arg[7]);
165         npar_info->max_local_ipv6_addrs = LSW(cmd.rsp.arg[8]);
166         npar_info->max_remote_ipv6_addrs = MSW(cmd.rsp.arg[8]);
167
168         qlcnic_sriov_pf_set_ff_max_res(adapter, npar_info);
169         dev_info(&adapter->pdev->dev,
170                  "\n\ttotal_pf: %d,\n"
171                  "\n\ttotal_rss_engines: %d max_vports: %d max_tx_ques %d,\n"
172                  "\tmax_tx_mac_filters: %d max_rx_mcast_mac_filters: %d,\n"
173                  "\tmax_rx_ucast_mac_filters: 0x%x, max_rx_ip_addr: %d,\n"
174                  "\tmax_rx_lro_flow: %d max_rx_status_rings: %d,\n"
175                  "\tmax_rx_buf_rings: %d, max_rx_ques: %d, max_tx_vlan_keys %d\n"
176                  "\tmax_local_ipv6_addrs: %d, max_remote_ipv6_addrs: %d\n",
177                  npar_info->total_pf, npar_info->total_rss_engines,
178                  npar_info->max_vports, npar_info->max_tx_ques,
179                  npar_info->max_tx_mac_filters,
180                  npar_info->max_rx_mcast_mac_filters,
181                  npar_info->max_rx_ucast_mac_filters, npar_info->max_rx_ip_addr,
182                  npar_info->max_rx_lro_flow, npar_info->max_rx_status_rings,
183                  npar_info->max_rx_buf_rings, npar_info->max_rx_ques,
184                  npar_info->max_tx_vlan_keys, npar_info->max_local_ipv6_addrs,
185                  npar_info->max_remote_ipv6_addrs);
186
187 out:
188         qlcnic_free_mbx_args(&cmd);
189         return err;
190 }
191
192 static void qlcnic_sriov_pf_reset_vport_handle(struct qlcnic_adapter *adapter,
193                                                u8 func)
194 {
195         struct qlcnic_sriov  *sriov = adapter->ahw->sriov;
196         struct qlcnic_vport *vp;
197         int index;
198
199         if (adapter->ahw->pci_func == func) {
200                 sriov->vp_handle = 0;
201         } else {
202                 index = qlcnic_sriov_func_to_index(adapter, func);
203                 if (index < 0)
204                         return;
205                 vp = sriov->vf_info[index].vp;
206                 vp->handle = 0;
207         }
208 }
209
210 static void qlcnic_sriov_pf_set_vport_handle(struct qlcnic_adapter *adapter,
211                                              u16 vport_handle, u8 func)
212 {
213         struct qlcnic_sriov  *sriov = adapter->ahw->sriov;
214         struct qlcnic_vport *vp;
215         int index;
216
217         if (adapter->ahw->pci_func == func) {
218                 sriov->vp_handle = vport_handle;
219         } else {
220                 index = qlcnic_sriov_func_to_index(adapter, func);
221                 if (index < 0)
222                         return;
223                 vp = sriov->vf_info[index].vp;
224                 vp->handle = vport_handle;
225         }
226 }
227
228 static int qlcnic_sriov_pf_get_vport_handle(struct qlcnic_adapter *adapter,
229                                             u8 func)
230 {
231         struct qlcnic_sriov  *sriov = adapter->ahw->sriov;
232         struct qlcnic_vf_info *vf_info;
233         int index;
234
235         if (adapter->ahw->pci_func == func) {
236                 return sriov->vp_handle;
237         } else {
238                 index = qlcnic_sriov_func_to_index(adapter, func);
239                 if (index >= 0) {
240                         vf_info = &sriov->vf_info[index];
241                         return vf_info->vp->handle;
242                 }
243         }
244
245         return -EINVAL;
246 }
247
248 static int qlcnic_sriov_pf_config_vport(struct qlcnic_adapter *adapter,
249                                         u8 flag, u16 func)
250 {
251         struct qlcnic_cmd_args cmd;
252         int ret;
253         int vpid;
254
255         if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_VPORT))
256                 return -ENOMEM;
257
258         if (flag) {
259                 cmd.req.arg[3] = func << 8;
260         } else {
261                 vpid = qlcnic_sriov_pf_get_vport_handle(adapter, func);
262                 if (vpid < 0) {
263                         ret = -EINVAL;
264                         goto out;
265                 }
266                 cmd.req.arg[3] = ((vpid & 0xffff) << 8) | 1;
267         }
268
269         ret = qlcnic_issue_cmd(adapter, &cmd);
270         if (ret) {
271                 dev_err(&adapter->pdev->dev,
272                         "Failed %s vport, err %d for func 0x%x\n",
273                         (flag ? "enable" : "disable"), ret, func);
274                 goto out;
275         }
276
277         if (flag) {
278                 vpid = cmd.rsp.arg[2] & 0xffff;
279                 qlcnic_sriov_pf_set_vport_handle(adapter, vpid, func);
280         } else {
281                 qlcnic_sriov_pf_reset_vport_handle(adapter, func);
282         }
283
284 out:
285         qlcnic_free_mbx_args(&cmd);
286         return ret;
287 }
288
289 static int qlcnic_sriov_pf_cfg_vlan_filtering(struct qlcnic_adapter *adapter,
290                                               u8 enable)
291 {
292         struct qlcnic_cmd_args cmd;
293         int err;
294
295         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_NIC_INFO);
296         if (err)
297                 return err;
298
299         cmd.req.arg[1] = 0x4;
300         if (enable)
301                 cmd.req.arg[1] |= BIT_16;
302
303         err = qlcnic_issue_cmd(adapter, &cmd);
304         if (err)
305                 dev_err(&adapter->pdev->dev,
306                         "Failed to configure VLAN filtering, err=%d\n", err);
307
308         qlcnic_free_mbx_args(&cmd);
309         return err;
310 }
311
312 static int qlcnic_sriov_pf_cfg_eswitch(struct qlcnic_adapter *adapter,
313                                        u8 func, u8 enable)
314 {
315         struct qlcnic_cmd_args cmd;
316         int err = -EIO;
317
318         if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_TOGGLE_ESWITCH))
319                 return -ENOMEM;
320
321         cmd.req.arg[0] |= (3 << 29);
322         cmd.req.arg[1] = ((func & 0xf) << 2) | BIT_6 | BIT_1;
323         if (enable)
324                 cmd.req.arg[1] |= BIT_0;
325
326         err = qlcnic_issue_cmd(adapter, &cmd);
327
328         if (err != QLCNIC_RCODE_SUCCESS) {
329                 dev_err(&adapter->pdev->dev,
330                         "Failed to enable sriov eswitch%d\n", err);
331                 err = -EIO;
332         }
333
334         qlcnic_free_mbx_args(&cmd);
335         return err;
336 }
337
338 static void qlcnic_sriov_pf_del_flr_queue(struct qlcnic_adapter *adapter)
339 {
340         struct qlcnic_sriov *sriov = adapter->ahw->sriov;
341         struct qlcnic_back_channel *bc = &sriov->bc;
342         int i;
343
344         for (i = 0; i < sriov->num_vfs; i++)
345                 cancel_work_sync(&sriov->vf_info[i].flr_work);
346
347         destroy_workqueue(bc->bc_flr_wq);
348 }
349
350 static int qlcnic_sriov_pf_create_flr_queue(struct qlcnic_adapter *adapter)
351 {
352         struct qlcnic_back_channel *bc = &adapter->ahw->sriov->bc;
353         struct workqueue_struct *wq;
354
355         wq = create_singlethread_workqueue("qlcnic-flr");
356         if (wq == NULL) {
357                 dev_err(&adapter->pdev->dev, "Cannot create FLR workqueue\n");
358                 return -ENOMEM;
359         }
360
361         bc->bc_flr_wq =  wq;
362         return 0;
363 }
364
365 void qlcnic_sriov_pf_cleanup(struct qlcnic_adapter *adapter)
366 {
367         u8 func = adapter->ahw->pci_func;
368
369         if (!qlcnic_sriov_enable_check(adapter))
370                 return;
371
372         qlcnic_sriov_pf_del_flr_queue(adapter);
373         qlcnic_sriov_cfg_bc_intr(adapter, 0);
374         qlcnic_sriov_pf_config_vport(adapter, 0, func);
375         qlcnic_sriov_pf_cfg_eswitch(adapter, func, 0);
376         qlcnic_sriov_pf_cfg_vlan_filtering(adapter, 0);
377         __qlcnic_sriov_cleanup(adapter);
378         adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
379         clear_bit(__QLCNIC_SRIOV_ENABLE, &adapter->state);
380 }
381
382 void qlcnic_sriov_pf_disable(struct qlcnic_adapter *adapter)
383 {
384         if (!qlcnic_sriov_pf_check(adapter))
385                 return;
386
387         if (!qlcnic_sriov_enable_check(adapter))
388                 return;
389
390         pci_disable_sriov(adapter->pdev);
391         netdev_info(adapter->netdev,
392                     "SR-IOV is disabled successfully on port %d\n",
393                     adapter->portnum);
394 }
395
396 static int qlcnic_pci_sriov_disable(struct qlcnic_adapter *adapter)
397 {
398         struct net_device *netdev = adapter->netdev;
399
400         if (netif_running(netdev))
401                 __qlcnic_down(adapter, netdev);
402
403         qlcnic_sriov_pf_disable(adapter);
404
405         qlcnic_sriov_pf_cleanup(adapter);
406
407         /* After disabling SRIOV re-init the driver in default mode
408            configure opmode based on op_mode of function
409          */
410         if (qlcnic_83xx_configure_opmode(adapter))
411                 return -EIO;
412
413         if (netif_running(netdev))
414                 __qlcnic_up(adapter, netdev);
415
416         return 0;
417 }
418
419 static int qlcnic_sriov_pf_init(struct qlcnic_adapter *adapter)
420 {
421         struct qlcnic_hardware_context *ahw = adapter->ahw;
422         struct qlcnic_info nic_info, pf_info, vp_info;
423         int err;
424         u8 func = ahw->pci_func;
425
426         if (!qlcnic_sriov_enable_check(adapter))
427                 return 0;
428
429         err = qlcnic_sriov_pf_cfg_vlan_filtering(adapter, 1);
430         if (err)
431                 return err;
432
433         err = qlcnic_sriov_pf_cfg_eswitch(adapter, func, 1);
434         if (err)
435                 goto disable_vlan_filtering;
436
437         err = qlcnic_sriov_pf_config_vport(adapter, 1, func);
438         if (err)
439                 goto disable_eswitch;
440
441         err = qlcnic_sriov_get_pf_info(adapter, &pf_info);
442         if (err)
443                 goto delete_vport;
444
445         err = qlcnic_get_nic_info(adapter, &nic_info, func);
446         if (err)
447                 goto delete_vport;
448
449         err = qlcnic_sriov_pf_cal_res_limit(adapter, &vp_info, func);
450         if (err)
451                 goto delete_vport;
452
453         err = qlcnic_sriov_cfg_bc_intr(adapter, 1);
454         if (err)
455                 goto delete_vport;
456
457         ahw->physical_port = (u8) nic_info.phys_port;
458         ahw->switch_mode = nic_info.switch_mode;
459         ahw->max_mtu = nic_info.max_mtu;
460         ahw->capabilities = nic_info.capabilities;
461         ahw->nic_mode = QLC_83XX_SRIOV_MODE;
462         return err;
463
464 delete_vport:
465         qlcnic_sriov_pf_config_vport(adapter, 0, func);
466
467 disable_eswitch:
468         qlcnic_sriov_pf_cfg_eswitch(adapter, func, 0);
469
470 disable_vlan_filtering:
471         qlcnic_sriov_pf_cfg_vlan_filtering(adapter, 0);
472
473         return err;
474 }
475
476 static int qlcnic_sriov_pf_enable(struct qlcnic_adapter *adapter, int num_vfs)
477 {
478         int err;
479
480         if (!qlcnic_sriov_enable_check(adapter))
481                 return 0;
482
483         err = pci_enable_sriov(adapter->pdev, num_vfs);
484         if (err)
485                 qlcnic_sriov_pf_cleanup(adapter);
486
487         return err;
488 }
489
490 static int __qlcnic_pci_sriov_enable(struct qlcnic_adapter *adapter,
491                                      int num_vfs)
492 {
493         int err = 0;
494
495         set_bit(__QLCNIC_SRIOV_ENABLE, &adapter->state);
496         adapter->ahw->op_mode = QLCNIC_SRIOV_PF_FUNC;
497
498         err = qlcnic_sriov_init(adapter, num_vfs);
499         if (err)
500                 goto clear_op_mode;
501
502         err = qlcnic_sriov_pf_create_flr_queue(adapter);
503         if (err)
504                 goto sriov_cleanup;
505
506         err = qlcnic_sriov_pf_init(adapter);
507         if (err)
508                 goto del_flr_queue;
509
510         err = qlcnic_sriov_pf_enable(adapter, num_vfs);
511         return err;
512
513 del_flr_queue:
514         qlcnic_sriov_pf_del_flr_queue(adapter);
515
516 sriov_cleanup:
517         __qlcnic_sriov_cleanup(adapter);
518
519 clear_op_mode:
520         clear_bit(__QLCNIC_SRIOV_ENABLE, &adapter->state);
521         adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
522         return err;
523 }
524
525 static int qlcnic_pci_sriov_enable(struct qlcnic_adapter *adapter, int num_vfs)
526 {
527         struct net_device *netdev = adapter->netdev;
528         int err;
529
530         if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
531                 netdev_err(netdev,
532                            "SR-IOV cannot be enabled, when legacy interrupts are enabled\n");
533                 return -EIO;
534         }
535
536         if (netif_running(netdev))
537                 __qlcnic_down(adapter, netdev);
538
539         err = __qlcnic_pci_sriov_enable(adapter, num_vfs);
540         if (err) {
541                 netdev_info(netdev, "Failed to enable SR-IOV on port %d\n",
542                             adapter->portnum);
543
544                 err = -EIO;
545                 if (qlcnic_83xx_configure_opmode(adapter))
546                         goto error;
547         } else {
548                 netdev_info(netdev,
549                             "SR-IOV is enabled successfully on port %d\n",
550                             adapter->portnum);
551                 /* Return number of vfs enabled */
552                 err = num_vfs;
553         }
554         if (netif_running(netdev))
555                 __qlcnic_up(adapter, netdev);
556
557 error:
558         return err;
559 }
560
561 int qlcnic_pci_sriov_configure(struct pci_dev *dev, int num_vfs)
562 {
563         struct qlcnic_adapter *adapter = pci_get_drvdata(dev);
564         int err;
565
566         if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
567                 return -EBUSY;
568
569         if (num_vfs == 0)
570                 err = qlcnic_pci_sriov_disable(adapter);
571         else
572                 err = qlcnic_pci_sriov_enable(adapter, num_vfs);
573
574         clear_bit(__QLCNIC_RESETTING, &adapter->state);
575         return err;
576 }
577
578 static int qlcnic_sriov_set_vf_acl(struct qlcnic_adapter *adapter, u8 func)
579 {
580         struct qlcnic_cmd_args cmd;
581         struct qlcnic_vport *vp;
582         int err, id;
583
584         id = qlcnic_sriov_func_to_index(adapter, func);
585         if (id < 0)
586                 return id;
587
588         vp = adapter->ahw->sriov->vf_info[id].vp;
589         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_NIC_INFO);
590         if (err)
591                 return err;
592
593         cmd.req.arg[1] = 0x3 | func << 16;
594         if (vp->vlan_mode == QLC_PVID_MODE) {
595                 cmd.req.arg[2] |= BIT_6;
596                 cmd.req.arg[3] |= vp->vlan << 8;
597         }
598
599         err = qlcnic_issue_cmd(adapter, &cmd);
600         if (err)
601                 dev_err(&adapter->pdev->dev, "Failed to set ACL, err=%d\n",
602                         err);
603
604         qlcnic_free_mbx_args(&cmd);
605         return err;
606 }
607
608 static int qlcnic_sriov_set_vf_vport_info(struct qlcnic_adapter *adapter,
609                                           u16 func)
610 {
611         struct qlcnic_info defvp_info;
612         int err;
613
614         err = qlcnic_sriov_pf_cal_res_limit(adapter, &defvp_info, func);
615         if (err)
616                 return -EIO;
617
618         err = qlcnic_sriov_set_vf_acl(adapter, func);
619         if (err)
620                 return err;
621
622         return 0;
623 }
624
625 static int qlcnic_sriov_pf_channel_cfg_cmd(struct qlcnic_bc_trans *trans,
626                                            struct qlcnic_cmd_args *cmd)
627 {
628         struct qlcnic_vf_info *vf = trans->vf;
629         struct qlcnic_adapter *adapter = vf->adapter;
630         int err;
631         u16 func = vf->pci_func;
632
633         cmd->rsp.arg[0] = trans->req_hdr->cmd_op;
634         cmd->rsp.arg[0] |= (1 << 16);
635
636         if (trans->req_hdr->cmd_op == QLCNIC_BC_CMD_CHANNEL_INIT) {
637                 err = qlcnic_sriov_pf_config_vport(adapter, 1, func);
638                 if (!err) {
639                         err = qlcnic_sriov_set_vf_vport_info(adapter, func);
640                         if (err)
641                                 qlcnic_sriov_pf_config_vport(adapter, 0, func);
642                 }
643         } else {
644                 err = qlcnic_sriov_pf_config_vport(adapter, 0, func);
645         }
646
647         if (err)
648                 goto err_out;
649
650         cmd->rsp.arg[0] |= (1 << 25);
651
652         if (trans->req_hdr->cmd_op == QLCNIC_BC_CMD_CHANNEL_INIT)
653                 set_bit(QLC_BC_VF_STATE, &vf->state);
654         else
655                 clear_bit(QLC_BC_VF_STATE, &vf->state);
656
657         return err;
658
659 err_out:
660         cmd->rsp.arg[0] |= (2 << 25);
661         return err;
662 }
663
664 static int qlcnic_sriov_cfg_vf_def_mac(struct qlcnic_adapter *adapter,
665                                        struct qlcnic_vport *vp,
666                                        u16 func, u16 vlan, u8 op)
667 {
668         struct qlcnic_cmd_args cmd;
669         struct qlcnic_macvlan_mbx mv;
670         u8 *addr;
671         int err;
672         u32 *buf;
673         int vpid;
674
675         if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_MAC_VLAN))
676                 return -ENOMEM;
677
678         vpid = qlcnic_sriov_pf_get_vport_handle(adapter, func);
679         if (vpid < 0) {
680                 err = -EINVAL;
681                 goto out;
682         }
683
684         if (vlan)
685                 op = ((op == QLCNIC_MAC_ADD || op == QLCNIC_MAC_VLAN_ADD) ?
686                       QLCNIC_MAC_VLAN_ADD : QLCNIC_MAC_VLAN_DEL);
687
688         cmd.req.arg[1] = op | (1 << 8) | (3 << 6);
689         cmd.req.arg[1] |= ((vpid & 0xffff) << 16) | BIT_31;
690
691         addr = vp->mac;
692         mv.vlan = vlan;
693         mv.mac_addr0 = addr[0];
694         mv.mac_addr1 = addr[1];
695         mv.mac_addr2 = addr[2];
696         mv.mac_addr3 = addr[3];
697         mv.mac_addr4 = addr[4];
698         mv.mac_addr5 = addr[5];
699         buf = &cmd.req.arg[2];
700         memcpy(buf, &mv, sizeof(struct qlcnic_macvlan_mbx));
701
702         err = qlcnic_issue_cmd(adapter, &cmd);
703
704         if (err)
705                 dev_err(&adapter->pdev->dev,
706                         "MAC-VLAN %s to CAM failed, err=%d.\n",
707                         ((op == 1) ? "add " : "delete "), err);
708
709 out:
710         qlcnic_free_mbx_args(&cmd);
711         return err;
712 }
713
714 static int qlcnic_sriov_validate_create_rx_ctx(struct qlcnic_cmd_args *cmd)
715 {
716         if ((cmd->req.arg[0] >> 29) != 0x3)
717                 return -EINVAL;
718
719         return 0;
720 }
721
722 static int qlcnic_sriov_pf_create_rx_ctx_cmd(struct qlcnic_bc_trans *tran,
723                                              struct qlcnic_cmd_args *cmd)
724 {
725         struct qlcnic_vf_info *vf = tran->vf;
726         struct qlcnic_adapter *adapter = vf->adapter;
727         struct qlcnic_rcv_mbx_out *mbx_out;
728         int err;
729         u16 vlan;
730
731         err = qlcnic_sriov_validate_create_rx_ctx(cmd);
732         if (err) {
733                 cmd->rsp.arg[0] |= (0x6 << 25);
734                 return err;
735         }
736
737         cmd->req.arg[6] = vf->vp->handle;
738         err = qlcnic_issue_cmd(adapter, cmd);
739
740         vlan = vf->vp->vlan;
741         if (!err) {
742                 mbx_out = (struct qlcnic_rcv_mbx_out *)&cmd->rsp.arg[1];
743                 vf->rx_ctx_id = mbx_out->ctx_id;
744                 qlcnic_sriov_cfg_vf_def_mac(adapter, vf->vp, vf->pci_func,
745                                             vlan, QLCNIC_MAC_ADD);
746         } else {
747                 vf->rx_ctx_id = 0;
748         }
749
750         return err;
751 }
752
753 static int qlcnic_sriov_pf_mac_address_cmd(struct qlcnic_bc_trans *trans,
754                                            struct qlcnic_cmd_args *cmd)
755 {
756         struct qlcnic_vf_info *vf = trans->vf;
757         u8 type, *mac;
758
759         type = cmd->req.arg[1];
760         switch (type) {
761         case QLCNIC_SET_STATION_MAC:
762         case QLCNIC_SET_FAC_DEF_MAC:
763                 cmd->rsp.arg[0] = (2 << 25);
764                 break;
765         case QLCNIC_GET_CURRENT_MAC:
766                 cmd->rsp.arg[0] = (1 << 25);
767                 mac = vf->vp->mac;
768                 cmd->rsp.arg[2] = mac[1] | ((mac[0] << 8) & 0xff00);
769                 cmd->rsp.arg[1] = mac[5] | ((mac[4] << 8) & 0xff00) |
770                                   ((mac[3]) << 16 & 0xff0000) |
771                                   ((mac[2]) << 24 & 0xff000000);
772         }
773
774         return 0;
775 }
776
777 static int qlcnic_sriov_validate_create_tx_ctx(struct qlcnic_cmd_args *cmd)
778 {
779         if ((cmd->req.arg[0] >> 29) != 0x3)
780                 return -EINVAL;
781
782         return 0;
783 }
784
785 static int qlcnic_sriov_pf_create_tx_ctx_cmd(struct qlcnic_bc_trans *trans,
786                                              struct qlcnic_cmd_args *cmd)
787 {
788         struct qlcnic_vf_info *vf = trans->vf;
789         struct qlcnic_adapter *adapter = vf->adapter;
790         struct qlcnic_tx_mbx_out *mbx_out;
791         int err;
792
793         err = qlcnic_sriov_validate_create_tx_ctx(cmd);
794         if (err) {
795                 cmd->rsp.arg[0] |= (0x6 << 25);
796                 return err;
797         }
798
799         cmd->req.arg[5] |= vf->vp->handle << 16;
800         err = qlcnic_issue_cmd(adapter, cmd);
801         if (!err) {
802                 mbx_out = (struct qlcnic_tx_mbx_out *)&cmd->rsp.arg[2];
803                 vf->tx_ctx_id = mbx_out->ctx_id;
804         } else {
805                 vf->tx_ctx_id = 0;
806         }
807
808         return err;
809 }
810
811 static int qlcnic_sriov_validate_del_rx_ctx(struct qlcnic_vf_info *vf,
812                                             struct qlcnic_cmd_args *cmd)
813 {
814         if ((cmd->req.arg[0] >> 29) != 0x3)
815                 return -EINVAL;
816
817         if ((cmd->req.arg[1] & 0xffff) != vf->rx_ctx_id)
818                 return -EINVAL;
819
820         return 0;
821 }
822
823 static int qlcnic_sriov_pf_del_rx_ctx_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         u16 vlan;
830
831         err = qlcnic_sriov_validate_del_rx_ctx(vf, cmd);
832         if (err) {
833                 cmd->rsp.arg[0] |= (0x6 << 25);
834                 return err;
835         }
836
837         vlan = vf->vp->vlan;
838         qlcnic_sriov_cfg_vf_def_mac(adapter, vf->vp, vf->pci_func,
839                                     vlan, QLCNIC_MAC_DEL);
840         cmd->req.arg[1] |= vf->vp->handle << 16;
841         err = qlcnic_issue_cmd(adapter, cmd);
842
843         if (!err)
844                 vf->rx_ctx_id = 0;
845
846         return err;
847 }
848
849 static int qlcnic_sriov_validate_del_tx_ctx(struct qlcnic_vf_info *vf,
850                                             struct qlcnic_cmd_args *cmd)
851 {
852         if ((cmd->req.arg[0] >> 29) != 0x3)
853                 return -EINVAL;
854
855         if ((cmd->req.arg[1] & 0xffff) != vf->tx_ctx_id)
856                 return -EINVAL;
857
858         return 0;
859 }
860
861 static int qlcnic_sriov_pf_del_tx_ctx_cmd(struct qlcnic_bc_trans *trans,
862                                           struct qlcnic_cmd_args *cmd)
863 {
864         struct qlcnic_vf_info *vf = trans->vf;
865         struct qlcnic_adapter *adapter = vf->adapter;
866         int err;
867
868         err = qlcnic_sriov_validate_del_tx_ctx(vf, cmd);
869         if (err) {
870                 cmd->rsp.arg[0] |= (0x6 << 25);
871                 return err;
872         }
873
874         cmd->req.arg[1] |= vf->vp->handle << 16;
875         err = qlcnic_issue_cmd(adapter, cmd);
876
877         if (!err)
878                 vf->tx_ctx_id = 0;
879
880         return err;
881 }
882
883 static int qlcnic_sriov_validate_cfg_lro(struct qlcnic_vf_info *vf,
884                                          struct qlcnic_cmd_args *cmd)
885 {
886         if ((cmd->req.arg[1] >> 16) != vf->rx_ctx_id)
887                 return -EINVAL;
888
889         return 0;
890 }
891
892 static int qlcnic_sriov_pf_cfg_lro_cmd(struct qlcnic_bc_trans *trans,
893                                        struct qlcnic_cmd_args *cmd)
894 {
895         struct qlcnic_vf_info *vf = trans->vf;
896         struct qlcnic_adapter *adapter = vf->adapter;
897         int err;
898
899         err = qlcnic_sriov_validate_cfg_lro(vf, cmd);
900         if (err) {
901                 cmd->rsp.arg[0] |= (0x6 << 25);
902                 return err;
903         }
904
905         err = qlcnic_issue_cmd(adapter, cmd);
906         return err;
907 }
908
909 static int qlcnic_sriov_pf_cfg_ip_cmd(struct qlcnic_bc_trans *trans,
910                                       struct qlcnic_cmd_args *cmd)
911 {
912         struct qlcnic_vf_info *vf = trans->vf;
913         struct qlcnic_adapter *adapter = vf->adapter;
914         int err = -EIO;
915         u8 op;
916
917         op =  cmd->req.arg[1] & 0xff;
918
919         cmd->req.arg[1] |= vf->vp->handle << 16;
920         cmd->req.arg[1] |= BIT_31;
921
922         err = qlcnic_issue_cmd(adapter, cmd);
923         return err;
924 }
925
926 static int qlcnic_sriov_validate_cfg_intrpt(struct qlcnic_vf_info *vf,
927                                             struct qlcnic_cmd_args *cmd)
928 {
929         if (((cmd->req.arg[1] >> 8) & 0xff) != vf->pci_func)
930                 return -EINVAL;
931
932         if (!(cmd->req.arg[1] & BIT_16))
933                 return -EINVAL;
934
935         if ((cmd->req.arg[1] & 0xff) != 0x1)
936                 return -EINVAL;
937
938         return 0;
939 }
940
941 static int qlcnic_sriov_pf_cfg_intrpt_cmd(struct qlcnic_bc_trans *trans,
942                                           struct qlcnic_cmd_args *cmd)
943 {
944         struct qlcnic_vf_info *vf = trans->vf;
945         struct qlcnic_adapter *adapter = vf->adapter;
946         int err;
947
948         err = qlcnic_sriov_validate_cfg_intrpt(vf, cmd);
949         if (err)
950                 cmd->rsp.arg[0] |= (0x6 << 25);
951         else
952                 err = qlcnic_issue_cmd(adapter, cmd);
953
954         return err;
955 }
956
957 static int qlcnic_sriov_validate_mtu(struct qlcnic_adapter *adapter,
958                                      struct qlcnic_vf_info *vf,
959                                      struct qlcnic_cmd_args *cmd)
960 {
961         if (cmd->req.arg[1] != vf->rx_ctx_id)
962                 return -EINVAL;
963
964         if (cmd->req.arg[2] > adapter->ahw->max_mtu)
965                 return -EINVAL;
966
967         return 0;
968 }
969
970 static int qlcnic_sriov_pf_set_mtu_cmd(struct qlcnic_bc_trans *trans,
971                                        struct qlcnic_cmd_args *cmd)
972 {
973         struct qlcnic_vf_info *vf = trans->vf;
974         struct qlcnic_adapter *adapter = vf->adapter;
975         int err;
976
977         err = qlcnic_sriov_validate_mtu(adapter, vf, cmd);
978         if (err)
979                 cmd->rsp.arg[0] |= (0x6 << 25);
980         else
981                 err = qlcnic_issue_cmd(adapter, cmd);
982
983         return err;
984 }
985
986 static int qlcnic_sriov_validate_get_nic_info(struct qlcnic_vf_info *vf,
987                                               struct qlcnic_cmd_args *cmd)
988 {
989         if (cmd->req.arg[1] & BIT_31) {
990                 if (((cmd->req.arg[1] >> 16) & 0x7fff) != vf->pci_func)
991                         return -EINVAL;
992         } else {
993                 cmd->req.arg[1] |= vf->vp->handle << 16;
994         }
995
996         return 0;
997 }
998
999 static int qlcnic_sriov_pf_get_nic_info_cmd(struct qlcnic_bc_trans *trans,
1000                                             struct qlcnic_cmd_args *cmd)
1001 {
1002         struct qlcnic_vf_info *vf = trans->vf;
1003         struct qlcnic_adapter *adapter = vf->adapter;
1004         int err;
1005
1006         err = qlcnic_sriov_validate_get_nic_info(vf, cmd);
1007         if (err) {
1008                 cmd->rsp.arg[0] |= (0x6 << 25);
1009                 return err;
1010         }
1011
1012         err = qlcnic_issue_cmd(adapter, cmd);
1013         return err;
1014 }
1015
1016 static int qlcnic_sriov_validate_cfg_rss(struct qlcnic_vf_info *vf,
1017                                          struct qlcnic_cmd_args *cmd)
1018 {
1019         if (cmd->req.arg[1] != vf->rx_ctx_id)
1020                 return -EINVAL;
1021
1022         return 0;
1023 }
1024
1025 static int qlcnic_sriov_pf_cfg_rss_cmd(struct qlcnic_bc_trans *trans,
1026                                        struct qlcnic_cmd_args *cmd)
1027 {
1028         struct qlcnic_vf_info *vf = trans->vf;
1029         struct qlcnic_adapter *adapter = vf->adapter;
1030         int err;
1031
1032         err = qlcnic_sriov_validate_cfg_rss(vf, cmd);
1033         if (err)
1034                 cmd->rsp.arg[0] |= (0x6 << 25);
1035         else
1036                 err = qlcnic_issue_cmd(adapter, cmd);
1037
1038         return err;
1039 }
1040
1041 static int qlcnic_sriov_validate_cfg_intrcoal(struct qlcnic_adapter *adapter,
1042                                               struct qlcnic_vf_info *vf,
1043                                               struct qlcnic_cmd_args *cmd)
1044 {
1045         struct qlcnic_nic_intr_coalesce *coal = &adapter->ahw->coal;
1046         u16 ctx_id, pkts, time;
1047
1048         ctx_id = cmd->req.arg[1] >> 16;
1049         pkts = cmd->req.arg[2] & 0xffff;
1050         time = cmd->req.arg[2] >> 16;
1051
1052         if (ctx_id != vf->rx_ctx_id)
1053                 return -EINVAL;
1054         if (pkts > coal->rx_packets)
1055                 return -EINVAL;
1056         if (time < coal->rx_time_us)
1057                 return -EINVAL;
1058
1059         return 0;
1060 }
1061
1062 static int qlcnic_sriov_pf_cfg_intrcoal_cmd(struct qlcnic_bc_trans *tran,
1063                                             struct qlcnic_cmd_args *cmd)
1064 {
1065         struct qlcnic_vf_info *vf = tran->vf;
1066         struct qlcnic_adapter *adapter = vf->adapter;
1067         int err;
1068
1069         err = qlcnic_sriov_validate_cfg_intrcoal(adapter, vf, cmd);
1070         if (err) {
1071                 cmd->rsp.arg[0] |= (0x6 << 25);
1072                 return err;
1073         }
1074
1075         err = qlcnic_issue_cmd(adapter, cmd);
1076         return err;
1077 }
1078
1079 static int qlcnic_sriov_validate_cfg_macvlan(struct qlcnic_adapter *adapter,
1080                                              struct qlcnic_vf_info *vf,
1081                                              struct qlcnic_cmd_args *cmd)
1082 {
1083         struct qlcnic_macvlan_mbx *macvlan;
1084         struct qlcnic_vport *vp = vf->vp;
1085         u8 op, new_op;
1086
1087         if (!(cmd->req.arg[1] & BIT_8))
1088                 return -EINVAL;
1089
1090         cmd->req.arg[1] |= (vf->vp->handle << 16);
1091         cmd->req.arg[1] |= BIT_31;
1092
1093         macvlan = (struct qlcnic_macvlan_mbx *)&cmd->req.arg[2];
1094         if (!(macvlan->mac_addr0 & BIT_0)) {
1095                 dev_err(&adapter->pdev->dev,
1096                         "MAC address change is not allowed from VF %d",
1097                         vf->pci_func);
1098                 return -EINVAL;
1099         }
1100
1101         if (vp->vlan_mode == QLC_PVID_MODE) {
1102                 op = cmd->req.arg[1] & 0x7;
1103                 cmd->req.arg[1] &= ~0x7;
1104                 new_op = (op == QLCNIC_MAC_ADD || op == QLCNIC_MAC_VLAN_ADD) ?
1105                          QLCNIC_MAC_VLAN_ADD : QLCNIC_MAC_VLAN_DEL;
1106                 cmd->req.arg[3] |= vp->vlan << 16;
1107                 cmd->req.arg[1] |= new_op;
1108         }
1109
1110         return 0;
1111 }
1112
1113 static int qlcnic_sriov_pf_cfg_macvlan_cmd(struct qlcnic_bc_trans *trans,
1114                                            struct qlcnic_cmd_args *cmd)
1115 {
1116         struct qlcnic_vf_info *vf = trans->vf;
1117         struct qlcnic_adapter *adapter = vf->adapter;
1118         int err;
1119
1120         err = qlcnic_sriov_validate_cfg_macvlan(adapter, vf, cmd);
1121         if (err) {
1122                 cmd->rsp.arg[0] |= (0x6 << 25);
1123                 return err;
1124         }
1125
1126         err = qlcnic_issue_cmd(adapter, cmd);
1127         return err;
1128 }
1129
1130 static int qlcnic_sriov_validate_linkevent(struct qlcnic_vf_info *vf,
1131                                            struct qlcnic_cmd_args *cmd)
1132 {
1133         if ((cmd->req.arg[1] >> 16) != vf->rx_ctx_id)
1134                 return -EINVAL;
1135
1136         return 0;
1137 }
1138
1139 static int qlcnic_sriov_pf_linkevent_cmd(struct qlcnic_bc_trans *trans,
1140                                          struct qlcnic_cmd_args *cmd)
1141 {
1142         struct qlcnic_vf_info *vf = trans->vf;
1143         struct qlcnic_adapter *adapter = vf->adapter;
1144         int err;
1145
1146         err = qlcnic_sriov_validate_linkevent(vf, cmd);
1147         if (err) {
1148                 cmd->rsp.arg[0] |= (0x6 << 25);
1149                 return err;
1150         }
1151
1152         err = qlcnic_issue_cmd(adapter, cmd);
1153         return err;
1154 }
1155
1156 static int qlcnic_sriov_pf_cfg_promisc_cmd(struct qlcnic_bc_trans *trans,
1157                                            struct qlcnic_cmd_args *cmd)
1158 {
1159         struct qlcnic_vf_info *vf = trans->vf;
1160         struct qlcnic_adapter *adapter = vf->adapter;
1161         int err;
1162
1163         cmd->req.arg[1] |= vf->vp->handle << 16;
1164         cmd->req.arg[1] |= BIT_31;
1165         err = qlcnic_issue_cmd(adapter, cmd);
1166         return err;
1167 }
1168
1169 static int qlcnic_sriov_pf_get_acl_cmd(struct qlcnic_bc_trans *trans,
1170                                        struct qlcnic_cmd_args *cmd)
1171 {
1172         struct qlcnic_vf_info *vf = trans->vf;
1173         struct qlcnic_vport *vp = vf->vp;
1174         u8 cmd_op, mode = vp->vlan_mode;
1175
1176         cmd_op = trans->req_hdr->cmd_op;
1177         cmd->rsp.arg[0] = (cmd_op & 0xffff) | 14 << 16 | 1 << 25;
1178
1179         switch (mode) {
1180         case QLC_GUEST_VLAN_MODE:
1181                 cmd->rsp.arg[1] = mode | 1 << 8;
1182                 cmd->rsp.arg[2] = 1 << 16;
1183                 break;
1184         case QLC_PVID_MODE:
1185                 cmd->rsp.arg[1] = mode | 1 << 8 | vp->vlan << 16;
1186                 break;
1187         }
1188
1189         return 0;
1190 }
1191
1192 static int qlcnic_sriov_pf_del_guest_vlan(struct qlcnic_adapter *adapter,
1193                                           struct qlcnic_vf_info *vf)
1194
1195 {
1196         struct qlcnic_vport *vp = vf->vp;
1197
1198         if (!vp->vlan)
1199                 return -EINVAL;
1200
1201         if (!vf->rx_ctx_id) {
1202                 vp->vlan = 0;
1203                 return 0;
1204         }
1205
1206         qlcnic_sriov_cfg_vf_def_mac(adapter, vp, vf->pci_func,
1207                                     vp->vlan, QLCNIC_MAC_DEL);
1208         vp->vlan = 0;
1209         qlcnic_sriov_cfg_vf_def_mac(adapter, vp, vf->pci_func,
1210                                     0, QLCNIC_MAC_ADD);
1211         return 0;
1212 }
1213
1214 static int qlcnic_sriov_pf_add_guest_vlan(struct qlcnic_adapter *adapter,
1215                                           struct qlcnic_vf_info *vf,
1216                                           struct qlcnic_cmd_args *cmd)
1217 {
1218         struct qlcnic_vport *vp = vf->vp;
1219         int err = -EIO;
1220
1221         if (vp->vlan)
1222                 return err;
1223
1224         if (!vf->rx_ctx_id) {
1225                 vp->vlan = cmd->req.arg[1] >> 16;
1226                 return 0;
1227         }
1228
1229         err = qlcnic_sriov_cfg_vf_def_mac(adapter, vp, vf->pci_func,
1230                                           0, QLCNIC_MAC_DEL);
1231         if (err)
1232                 return err;
1233
1234         vp->vlan = cmd->req.arg[1] >> 16;
1235         err = qlcnic_sriov_cfg_vf_def_mac(adapter, vp, vf->pci_func,
1236                                           vp->vlan, QLCNIC_MAC_ADD);
1237
1238         if (err) {
1239                 qlcnic_sriov_cfg_vf_def_mac(adapter, vp, vf->pci_func,
1240                                             0, QLCNIC_MAC_ADD);
1241                 vp->vlan = 0;
1242         }
1243
1244         return err;
1245 }
1246
1247 static int qlcnic_sriov_pf_cfg_guest_vlan_cmd(struct qlcnic_bc_trans *tran,
1248                                               struct qlcnic_cmd_args *cmd)
1249 {
1250         struct qlcnic_vf_info  *vf = tran->vf;
1251         struct qlcnic_adapter *adapter =  vf->adapter;
1252         struct qlcnic_vport *vp = vf->vp;
1253         int err = -EIO;
1254         u8 op;
1255
1256         if (vp->vlan_mode != QLC_GUEST_VLAN_MODE) {
1257                 cmd->rsp.arg[0] |= 2 << 25;
1258                 return err;
1259         }
1260
1261         op = cmd->req.arg[1] & 0xf;
1262
1263         if (op)
1264                 err = qlcnic_sriov_pf_add_guest_vlan(adapter, vf, cmd);
1265         else
1266                 err = qlcnic_sriov_pf_del_guest_vlan(adapter, vf);
1267
1268         cmd->rsp.arg[0] |= err ? 2 << 25 : 1 << 25;
1269         return err;
1270 }
1271
1272 static const int qlcnic_pf_passthru_supp_cmds[] = {
1273         QLCNIC_CMD_GET_STATISTICS,
1274         QLCNIC_CMD_GET_PORT_CONFIG,
1275         QLCNIC_CMD_GET_LINK_STATUS,
1276 };
1277
1278 static const struct qlcnic_sriov_cmd_handler qlcnic_pf_bc_cmd_hdlr[] = {
1279         [QLCNIC_BC_CMD_CHANNEL_INIT] = {&qlcnic_sriov_pf_channel_cfg_cmd},
1280         [QLCNIC_BC_CMD_CHANNEL_TERM] = {&qlcnic_sriov_pf_channel_cfg_cmd},
1281         [QLCNIC_BC_CMD_GET_ACL] = {&qlcnic_sriov_pf_get_acl_cmd},
1282         [QLCNIC_BC_CMD_CFG_GUEST_VLAN]  = {&qlcnic_sriov_pf_cfg_guest_vlan_cmd},
1283 };
1284
1285 static const struct qlcnic_sriov_fw_cmd_handler qlcnic_pf_fw_cmd_hdlr[] = {
1286         {QLCNIC_CMD_CREATE_RX_CTX, qlcnic_sriov_pf_create_rx_ctx_cmd},
1287         {QLCNIC_CMD_CREATE_TX_CTX, qlcnic_sriov_pf_create_tx_ctx_cmd},
1288         {QLCNIC_CMD_MAC_ADDRESS, qlcnic_sriov_pf_mac_address_cmd},
1289         {QLCNIC_CMD_DESTROY_RX_CTX, qlcnic_sriov_pf_del_rx_ctx_cmd},
1290         {QLCNIC_CMD_DESTROY_TX_CTX, qlcnic_sriov_pf_del_tx_ctx_cmd},
1291         {QLCNIC_CMD_CONFIGURE_HW_LRO, qlcnic_sriov_pf_cfg_lro_cmd},
1292         {QLCNIC_CMD_CONFIGURE_IP_ADDR, qlcnic_sriov_pf_cfg_ip_cmd},
1293         {QLCNIC_CMD_CONFIG_INTRPT, qlcnic_sriov_pf_cfg_intrpt_cmd},
1294         {QLCNIC_CMD_SET_MTU, qlcnic_sriov_pf_set_mtu_cmd},
1295         {QLCNIC_CMD_GET_NIC_INFO, qlcnic_sriov_pf_get_nic_info_cmd},
1296         {QLCNIC_CMD_CONFIGURE_RSS, qlcnic_sriov_pf_cfg_rss_cmd},
1297         {QLCNIC_CMD_CONFIG_INTR_COAL, qlcnic_sriov_pf_cfg_intrcoal_cmd},
1298         {QLCNIC_CMD_CONFIG_MAC_VLAN, qlcnic_sriov_pf_cfg_macvlan_cmd},
1299         {QLCNIC_CMD_GET_LINK_EVENT, qlcnic_sriov_pf_linkevent_cmd},
1300         {QLCNIC_CMD_CONFIGURE_MAC_RX_MODE, qlcnic_sriov_pf_cfg_promisc_cmd},
1301 };
1302
1303 void qlcnic_sriov_pf_process_bc_cmd(struct qlcnic_adapter *adapter,
1304                                     struct qlcnic_bc_trans *trans,
1305                                     struct qlcnic_cmd_args *cmd)
1306 {
1307         u8 size, cmd_op;
1308
1309         cmd_op = trans->req_hdr->cmd_op;
1310
1311         if (trans->req_hdr->op_type == QLC_BC_CMD) {
1312                 size = ARRAY_SIZE(qlcnic_pf_bc_cmd_hdlr);
1313                 if (cmd_op < size) {
1314                         qlcnic_pf_bc_cmd_hdlr[cmd_op].fn(trans, cmd);
1315                         return;
1316                 }
1317         } else {
1318                 int i;
1319                 size = ARRAY_SIZE(qlcnic_pf_fw_cmd_hdlr);
1320                 for (i = 0; i < size; i++) {
1321                         if (cmd_op == qlcnic_pf_fw_cmd_hdlr[i].cmd) {
1322                                 qlcnic_pf_fw_cmd_hdlr[i].fn(trans, cmd);
1323                                 return;
1324                         }
1325                 }
1326
1327                 size = ARRAY_SIZE(qlcnic_pf_passthru_supp_cmds);
1328                 for (i = 0; i < size; i++) {
1329                         if (cmd_op == qlcnic_pf_passthru_supp_cmds[i]) {
1330                                 qlcnic_issue_cmd(adapter, cmd);
1331                                 return;
1332                         }
1333                 }
1334         }
1335
1336         cmd->rsp.arg[0] |= (0x9 << 25);
1337 }
1338
1339 void qlcnic_pf_set_interface_id_create_rx_ctx(struct qlcnic_adapter *adapter,
1340                                              u32 *int_id)
1341 {
1342         u16 vpid;
1343
1344         vpid = qlcnic_sriov_pf_get_vport_handle(adapter,
1345                                                 adapter->ahw->pci_func);
1346         *int_id |= vpid;
1347 }
1348
1349 void qlcnic_pf_set_interface_id_del_rx_ctx(struct qlcnic_adapter *adapter,
1350                                            u32 *int_id)
1351 {
1352         u16 vpid;
1353
1354         vpid = qlcnic_sriov_pf_get_vport_handle(adapter,
1355                                                 adapter->ahw->pci_func);
1356         *int_id |= vpid << 16;
1357 }
1358
1359 void qlcnic_pf_set_interface_id_create_tx_ctx(struct qlcnic_adapter *adapter,
1360                                               u32 *int_id)
1361 {
1362         int vpid;
1363
1364         vpid = qlcnic_sriov_pf_get_vport_handle(adapter,
1365                                                 adapter->ahw->pci_func);
1366         *int_id |= vpid << 16;
1367 }
1368
1369 void qlcnic_pf_set_interface_id_del_tx_ctx(struct qlcnic_adapter *adapter,
1370                                            u32 *int_id)
1371 {
1372         u16 vpid;
1373
1374         vpid = qlcnic_sriov_pf_get_vport_handle(adapter,
1375                                                 adapter->ahw->pci_func);
1376         *int_id |= vpid << 16;
1377 }
1378
1379 void qlcnic_pf_set_interface_id_promisc(struct qlcnic_adapter *adapter,
1380                                         u32 *int_id)
1381 {
1382         u16 vpid;
1383
1384         vpid = qlcnic_sriov_pf_get_vport_handle(adapter,
1385                                                 adapter->ahw->pci_func);
1386         *int_id |= (vpid << 16) | BIT_31;
1387 }
1388
1389 void qlcnic_pf_set_interface_id_ipaddr(struct qlcnic_adapter *adapter,
1390                                        u32 *int_id)
1391 {
1392         u16 vpid;
1393
1394         vpid = qlcnic_sriov_pf_get_vport_handle(adapter,
1395                                                 adapter->ahw->pci_func);
1396         *int_id |= (vpid << 16) | BIT_31;
1397 }
1398
1399 void qlcnic_pf_set_interface_id_macaddr(struct qlcnic_adapter *adapter,
1400                                         u32 *int_id)
1401 {
1402         u16 vpid;
1403
1404         vpid = qlcnic_sriov_pf_get_vport_handle(adapter,
1405                                                 adapter->ahw->pci_func);
1406         *int_id |= (vpid << 16) | BIT_31;
1407 }
1408
1409 static void qlcnic_sriov_del_rx_ctx(struct qlcnic_adapter *adapter,
1410                                     struct qlcnic_vf_info *vf)
1411 {
1412         struct qlcnic_cmd_args cmd;
1413         int vpid;
1414
1415         if (!vf->rx_ctx_id)
1416                 return;
1417
1418         if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_RX_CTX))
1419                 return;
1420
1421         vpid = qlcnic_sriov_pf_get_vport_handle(adapter, vf->pci_func);
1422         if (vpid >= 0) {
1423                 cmd.req.arg[1] = vf->rx_ctx_id | (vpid & 0xffff) << 16;
1424                 if (qlcnic_issue_cmd(adapter, &cmd))
1425                         dev_err(&adapter->pdev->dev,
1426                                 "Failed to delete Tx ctx in firmware for func 0x%x\n",
1427                                 vf->pci_func);
1428                 else
1429                         vf->rx_ctx_id = 0;
1430         }
1431
1432         qlcnic_free_mbx_args(&cmd);
1433 }
1434
1435 static void qlcnic_sriov_del_tx_ctx(struct qlcnic_adapter *adapter,
1436                                     struct qlcnic_vf_info *vf)
1437 {
1438         struct qlcnic_cmd_args cmd;
1439         int vpid;
1440
1441         if (!vf->tx_ctx_id)
1442                 return;
1443
1444         if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_TX_CTX))
1445                 return;
1446
1447         vpid = qlcnic_sriov_pf_get_vport_handle(adapter, vf->pci_func);
1448         if (vpid >= 0) {
1449                 cmd.req.arg[1] |= vf->tx_ctx_id | (vpid & 0xffff) << 16;
1450                 if (qlcnic_issue_cmd(adapter, &cmd))
1451                         dev_err(&adapter->pdev->dev,
1452                                 "Failed to delete Tx ctx in firmware for func 0x%x\n",
1453                                 vf->pci_func);
1454                 else
1455                         vf->tx_ctx_id = 0;
1456         }
1457
1458         qlcnic_free_mbx_args(&cmd);
1459 }
1460
1461 static int qlcnic_sriov_add_act_list_irqsave(struct qlcnic_sriov *sriov,
1462                                              struct qlcnic_vf_info *vf,
1463                                              struct qlcnic_bc_trans *trans)
1464 {
1465         struct qlcnic_trans_list *t_list = &vf->rcv_act;
1466         unsigned long flag;
1467
1468         spin_lock_irqsave(&t_list->lock, flag);
1469
1470         __qlcnic_sriov_add_act_list(sriov, vf, trans);
1471
1472         spin_unlock_irqrestore(&t_list->lock, flag);
1473         return 0;
1474 }
1475
1476 static void __qlcnic_sriov_process_flr(struct qlcnic_vf_info *vf)
1477 {
1478         struct qlcnic_adapter *adapter = vf->adapter;
1479
1480         qlcnic_sriov_cleanup_list(&vf->rcv_pend);
1481         cancel_work_sync(&vf->trans_work);
1482         qlcnic_sriov_cleanup_list(&vf->rcv_act);
1483
1484         if (test_bit(QLC_BC_VF_SOFT_FLR, &vf->state)) {
1485                 qlcnic_sriov_del_tx_ctx(adapter, vf);
1486                 qlcnic_sriov_del_rx_ctx(adapter, vf);
1487         }
1488
1489         qlcnic_sriov_pf_config_vport(adapter, 0, vf->pci_func);
1490
1491         clear_bit(QLC_BC_VF_FLR, &vf->state);
1492         if (test_bit(QLC_BC_VF_SOFT_FLR, &vf->state)) {
1493                 qlcnic_sriov_add_act_list_irqsave(adapter->ahw->sriov, vf,
1494                                                   vf->flr_trans);
1495                 clear_bit(QLC_BC_VF_SOFT_FLR, &vf->state);
1496                 vf->flr_trans = NULL;
1497         }
1498 }
1499
1500 static void qlcnic_sriov_pf_process_flr(struct work_struct *work)
1501 {
1502         struct qlcnic_vf_info *vf;
1503
1504         vf = container_of(work, struct qlcnic_vf_info, flr_work);
1505         __qlcnic_sriov_process_flr(vf);
1506         return;
1507 }
1508
1509 static void qlcnic_sriov_schedule_flr(struct qlcnic_sriov *sriov,
1510                                       struct qlcnic_vf_info *vf,
1511                                       work_func_t func)
1512 {
1513         if (test_bit(__QLCNIC_RESETTING, &vf->adapter->state))
1514                 return;
1515
1516         INIT_WORK(&vf->flr_work, func);
1517         queue_work(sriov->bc.bc_flr_wq, &vf->flr_work);
1518 }
1519
1520 static void qlcnic_sriov_handle_soft_flr(struct qlcnic_adapter *adapter,
1521                                          struct qlcnic_bc_trans *trans,
1522                                          struct qlcnic_vf_info *vf)
1523 {
1524         struct qlcnic_sriov *sriov = adapter->ahw->sriov;
1525
1526         set_bit(QLC_BC_VF_FLR, &vf->state);
1527         clear_bit(QLC_BC_VF_STATE, &vf->state);
1528         set_bit(QLC_BC_VF_SOFT_FLR, &vf->state);
1529         vf->flr_trans = trans;
1530         qlcnic_sriov_schedule_flr(sriov, vf, qlcnic_sriov_pf_process_flr);
1531         netdev_info(adapter->netdev, "Software FLR for PCI func %d\n",
1532                     vf->pci_func);
1533 }
1534
1535 bool qlcnic_sriov_soft_flr_check(struct qlcnic_adapter *adapter,
1536                                  struct qlcnic_bc_trans *trans,
1537                                  struct qlcnic_vf_info *vf)
1538 {
1539         struct qlcnic_bc_hdr *hdr = trans->req_hdr;
1540
1541         if ((hdr->cmd_op == QLCNIC_BC_CMD_CHANNEL_INIT) &&
1542             (hdr->op_type == QLC_BC_CMD) &&
1543              test_bit(QLC_BC_VF_STATE, &vf->state)) {
1544                 qlcnic_sriov_handle_soft_flr(adapter, trans, vf);
1545                 return true;
1546         }
1547
1548         return false;
1549 }
1550
1551 void qlcnic_sriov_pf_handle_flr(struct qlcnic_sriov *sriov,
1552                                 struct qlcnic_vf_info *vf)
1553 {
1554         struct net_device *dev = vf->adapter->netdev;
1555
1556         if (!test_and_clear_bit(QLC_BC_VF_STATE, &vf->state)) {
1557                 clear_bit(QLC_BC_VF_FLR, &vf->state);
1558                 return;
1559         }
1560
1561         if (test_and_set_bit(QLC_BC_VF_FLR, &vf->state)) {
1562                 netdev_info(dev, "FLR for PCI func %d in progress\n",
1563                             vf->pci_func);
1564                 return;
1565         }
1566
1567         qlcnic_sriov_schedule_flr(sriov, vf, qlcnic_sriov_pf_process_flr);
1568         netdev_info(dev, "FLR received for PCI func %d\n", vf->pci_func);
1569 }
1570
1571 void qlcnic_sriov_pf_reset(struct qlcnic_adapter *adapter)
1572 {
1573         struct qlcnic_hardware_context *ahw = adapter->ahw;
1574         struct qlcnic_sriov *sriov = ahw->sriov;
1575         struct qlcnic_vf_info *vf;
1576         u16 num_vfs = sriov->num_vfs;
1577         int i;
1578
1579         for (i = 0; i < num_vfs; i++) {
1580                 vf = &sriov->vf_info[i];
1581                 vf->rx_ctx_id = 0;
1582                 vf->tx_ctx_id = 0;
1583                 cancel_work_sync(&vf->flr_work);
1584                 __qlcnic_sriov_process_flr(vf);
1585                 clear_bit(QLC_BC_VF_STATE, &vf->state);
1586         }
1587
1588         qlcnic_sriov_pf_reset_vport_handle(adapter, ahw->pci_func);
1589         QLCWRX(ahw, QLCNIC_MBX_INTR_ENBL, (ahw->num_msix - 1) << 8);
1590 }
1591
1592 int qlcnic_sriov_pf_reinit(struct qlcnic_adapter *adapter)
1593 {
1594         struct qlcnic_hardware_context *ahw = adapter->ahw;
1595         int err;
1596
1597         if (!qlcnic_sriov_enable_check(adapter))
1598                 return 0;
1599
1600         ahw->op_mode = QLCNIC_SRIOV_PF_FUNC;
1601
1602         err = qlcnic_sriov_pf_init(adapter);
1603         if (err)
1604                 return err;
1605
1606         dev_info(&adapter->pdev->dev, "%s: op_mode %d\n",
1607                  __func__, ahw->op_mode);
1608         return err;
1609 }
1610
1611 int qlcnic_sriov_set_vf_mac(struct net_device *netdev, int vf, u8 *mac)
1612 {
1613         struct qlcnic_adapter *adapter = netdev_priv(netdev);
1614         struct qlcnic_sriov *sriov = adapter->ahw->sriov;
1615         int i, num_vfs = sriov->num_vfs;
1616         struct qlcnic_vf_info *vf_info;
1617         u8 *curr_mac;
1618
1619         if (!qlcnic_sriov_pf_check(adapter))
1620                 return -EOPNOTSUPP;
1621
1622         if (!is_valid_ether_addr(mac) || vf >= num_vfs)
1623                 return -EINVAL;
1624
1625         if (!compare_ether_addr(adapter->mac_addr, mac)) {
1626                 netdev_err(netdev, "MAC address is already in use by the PF\n");
1627                 return -EINVAL;
1628         }
1629
1630         for (i = 0; i < num_vfs; i++) {
1631                 vf_info = &sriov->vf_info[i];
1632                 if (!compare_ether_addr(vf_info->vp->mac, mac)) {
1633                         netdev_err(netdev,
1634                                    "MAC address is already in use by VF %d\n",
1635                                    i);
1636                         return -EINVAL;
1637                 }
1638         }
1639
1640         vf_info = &sriov->vf_info[vf];
1641         curr_mac = vf_info->vp->mac;
1642
1643         if (test_bit(QLC_BC_VF_STATE, &vf_info->state)) {
1644                 netdev_err(netdev,
1645                            "MAC address change failed for VF %d, as VF driver is loaded. Please unload VF driver and retry the operation\n",
1646                            vf);
1647                 return -EOPNOTSUPP;
1648         }
1649
1650         memcpy(curr_mac, mac, netdev->addr_len);
1651         netdev_info(netdev, "MAC Address %pM  is configured for VF %d\n",
1652                     mac, vf);
1653         return 0;
1654 }
1655
1656 int qlcnic_sriov_set_vf_tx_rate(struct net_device *netdev, int vf, int tx_rate)
1657 {
1658         struct qlcnic_adapter *adapter = netdev_priv(netdev);
1659         struct qlcnic_sriov *sriov = adapter->ahw->sriov;
1660         struct qlcnic_vf_info *vf_info;
1661         struct qlcnic_info nic_info;
1662         struct qlcnic_vport *vp;
1663         u16 vpid;
1664
1665         if (!qlcnic_sriov_pf_check(adapter))
1666                 return -EOPNOTSUPP;
1667
1668         if (vf >= sriov->num_vfs)
1669                 return -EINVAL;
1670
1671         if (tx_rate >= 10000 || tx_rate < 100) {
1672                 netdev_err(netdev,
1673                            "Invalid Tx rate, allowed range is [%d - %d]",
1674                            QLC_VF_MIN_TX_RATE, QLC_VF_MAX_TX_RATE);
1675                 return -EINVAL;
1676         }
1677
1678         if (tx_rate == 0)
1679                 tx_rate = 10000;
1680
1681         vf_info = &sriov->vf_info[vf];
1682         vp = vf_info->vp;
1683         vpid = vp->handle;
1684
1685         if (test_bit(QLC_BC_VF_STATE, &vf_info->state)) {
1686                 if (qlcnic_sriov_get_vf_vport_info(adapter, &nic_info, vpid))
1687                         return -EIO;
1688
1689                 nic_info.max_tx_bw = tx_rate / 100;
1690                 nic_info.bit_offsets = BIT_0;
1691
1692                 if (qlcnic_sriov_pf_set_vport_info(adapter, &nic_info, vpid))
1693                         return -EIO;
1694         }
1695
1696         vp->max_tx_bw = tx_rate / 100;
1697         netdev_info(netdev,
1698                     "Setting Tx rate %d (Mbps), %d %% of PF bandwidth, for VF %d\n",
1699                     tx_rate, vp->max_tx_bw, vf);
1700         return 0;
1701 }
1702
1703 int qlcnic_sriov_set_vf_vlan(struct net_device *netdev, int vf,
1704                              u16 vlan, u8 qos)
1705 {
1706         struct qlcnic_adapter *adapter = netdev_priv(netdev);
1707         struct qlcnic_sriov *sriov = adapter->ahw->sriov;
1708         struct qlcnic_vf_info *vf_info;
1709         struct qlcnic_vport *vp;
1710
1711         if (!qlcnic_sriov_pf_check(adapter))
1712                 return -EOPNOTSUPP;
1713
1714         if (vf >= sriov->num_vfs || qos > 7)
1715                 return -EINVAL;
1716
1717         if (vlan > MAX_VLAN_ID) {
1718                 netdev_err(netdev,
1719                            "Invalid VLAN ID, allowed range is [0 - %d]\n",
1720                            MAX_VLAN_ID);
1721                 return -EINVAL;
1722         }
1723
1724         vf_info = &sriov->vf_info[vf];
1725         vp = vf_info->vp;
1726         if (test_bit(QLC_BC_VF_STATE, &vf_info->state)) {
1727                 netdev_err(netdev,
1728                            "VLAN change failed for VF %d, as VF driver is loaded. Please unload VF driver and retry the operation\n",
1729                            vf);
1730                 return -EOPNOTSUPP;
1731         }
1732
1733         switch (vlan) {
1734         case 4095:
1735                 vp->vlan_mode = QLC_GUEST_VLAN_MODE;
1736                 break;
1737         case 0:
1738                 vp->vlan_mode = QLC_NO_VLAN_MODE;
1739                 vp->vlan = 0;
1740                 vp->qos = 0;
1741                 break;
1742         default:
1743                 vp->vlan_mode = QLC_PVID_MODE;
1744                 vp->vlan = vlan;
1745                 vp->qos = qos;
1746         }
1747
1748         netdev_info(netdev, "Setting VLAN %d, QoS %d, for VF %d\n",
1749                     vlan, qos, vf);
1750         return 0;
1751 }
1752
1753 int qlcnic_sriov_get_vf_config(struct net_device *netdev,
1754                                int vf, struct ifla_vf_info *ivi)
1755 {
1756         struct qlcnic_adapter *adapter = netdev_priv(netdev);
1757         struct qlcnic_sriov *sriov = adapter->ahw->sriov;
1758         struct qlcnic_vport *vp;
1759
1760         if (!qlcnic_sriov_pf_check(adapter))
1761                 return -EOPNOTSUPP;
1762
1763         if (vf >= sriov->num_vfs)
1764                 return -EINVAL;
1765
1766         vp = sriov->vf_info[vf].vp;
1767         memcpy(&ivi->mac, vp->mac, ETH_ALEN);
1768         ivi->vlan = vp->vlan;
1769         ivi->qos = vp->qos;
1770         if (vp->max_tx_bw == MAX_BW)
1771                 ivi->tx_rate = 0;
1772         else
1773                 ivi->tx_rate = vp->max_tx_bw * 100;
1774
1775         ivi->vf = vf;
1776         return 0;
1777 }