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11#include <linux/ethtool.h>
12#include <linux/module.h>
13#include <linux/pci.h>
14#include <linux/netdevice.h>
15#include <linux/if_vlan.h>
16#include <linux/interrupt.h>
17#include <linux/etherdevice.h>
18#include "bnxt_hsi.h"
19#include "bnxt.h"
20#include "bnxt_ulp.h"
21#include "bnxt_sriov.h"
22#include "bnxt_vfr.h"
23#include "bnxt_ethtool.h"
24
25#ifdef CONFIG_BNXT_SRIOV
26static int bnxt_hwrm_fwd_async_event_cmpl(struct bnxt *bp,
27 struct bnxt_vf_info *vf, u16 event_id)
28{
29 struct hwrm_fwd_async_event_cmpl_input req = {0};
30 struct hwrm_async_event_cmpl *async_cmpl;
31 int rc = 0;
32
33 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FWD_ASYNC_EVENT_CMPL, -1, -1);
34 if (vf)
35 req.encap_async_event_target_id = cpu_to_le16(vf->fw_fid);
36 else
37
38 req.encap_async_event_target_id = cpu_to_le16(0xffff);
39 async_cmpl = (struct hwrm_async_event_cmpl *)req.encap_async_event_cmpl;
40 async_cmpl->type = cpu_to_le16(ASYNC_EVENT_CMPL_TYPE_HWRM_ASYNC_EVENT);
41 async_cmpl->event_id = cpu_to_le16(event_id);
42
43 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
44 if (rc)
45 netdev_err(bp->dev, "hwrm_fwd_async_event_cmpl failed. rc:%d\n",
46 rc);
47 return rc;
48}
49
50static int bnxt_vf_ndo_prep(struct bnxt *bp, int vf_id)
51{
52 if (!bp->pf.active_vfs) {
53 netdev_err(bp->dev, "vf ndo called though sriov is disabled\n");
54 return -EINVAL;
55 }
56 if (vf_id >= bp->pf.active_vfs) {
57 netdev_err(bp->dev, "Invalid VF id %d\n", vf_id);
58 return -EINVAL;
59 }
60 return 0;
61}
62
63int bnxt_set_vf_spoofchk(struct net_device *dev, int vf_id, bool setting)
64{
65 struct hwrm_func_cfg_input req = {0};
66 struct bnxt *bp = netdev_priv(dev);
67 struct bnxt_vf_info *vf;
68 bool old_setting = false;
69 u32 func_flags;
70 int rc;
71
72 if (bp->hwrm_spec_code < 0x10701)
73 return -ENOTSUPP;
74
75 rc = bnxt_vf_ndo_prep(bp, vf_id);
76 if (rc)
77 return rc;
78
79 vf = &bp->pf.vf[vf_id];
80 if (vf->flags & BNXT_VF_SPOOFCHK)
81 old_setting = true;
82 if (old_setting == setting)
83 return 0;
84
85 if (setting)
86 func_flags = FUNC_CFG_REQ_FLAGS_SRC_MAC_ADDR_CHECK_ENABLE;
87 else
88 func_flags = FUNC_CFG_REQ_FLAGS_SRC_MAC_ADDR_CHECK_DISABLE;
89
90
91
92 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1);
93 req.fid = cpu_to_le16(vf->fw_fid);
94 req.flags = cpu_to_le32(func_flags);
95 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
96 if (!rc) {
97 if (setting)
98 vf->flags |= BNXT_VF_SPOOFCHK;
99 else
100 vf->flags &= ~BNXT_VF_SPOOFCHK;
101 }
102 return rc;
103}
104
105static int bnxt_hwrm_func_qcfg_flags(struct bnxt *bp, struct bnxt_vf_info *vf)
106{
107 struct hwrm_func_qcfg_output *resp = bp->hwrm_cmd_resp_addr;
108 struct hwrm_func_qcfg_input req = {0};
109 int rc;
110
111 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_QCFG, -1, -1);
112 req.fid = cpu_to_le16(BNXT_PF(bp) ? vf->fw_fid : 0xffff);
113 mutex_lock(&bp->hwrm_cmd_lock);
114 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
115 if (rc) {
116 mutex_unlock(&bp->hwrm_cmd_lock);
117 return rc;
118 }
119 vf->func_qcfg_flags = le16_to_cpu(resp->flags);
120 mutex_unlock(&bp->hwrm_cmd_lock);
121 return 0;
122}
123
124bool bnxt_is_trusted_vf(struct bnxt *bp, struct bnxt_vf_info *vf)
125{
126 if (BNXT_PF(bp) && !(bp->fw_cap & BNXT_FW_CAP_TRUSTED_VF))
127 return !!(vf->flags & BNXT_VF_TRUST);
128
129 bnxt_hwrm_func_qcfg_flags(bp, vf);
130 return !!(vf->func_qcfg_flags & FUNC_QCFG_RESP_FLAGS_TRUSTED_VF);
131}
132
133static int bnxt_hwrm_set_trusted_vf(struct bnxt *bp, struct bnxt_vf_info *vf)
134{
135 struct hwrm_func_cfg_input req = {0};
136
137 if (!(bp->fw_cap & BNXT_FW_CAP_TRUSTED_VF))
138 return 0;
139
140 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1);
141 req.fid = cpu_to_le16(vf->fw_fid);
142 if (vf->flags & BNXT_VF_TRUST)
143 req.flags = cpu_to_le32(FUNC_CFG_REQ_FLAGS_TRUSTED_VF_ENABLE);
144 else
145 req.flags = cpu_to_le32(FUNC_CFG_REQ_FLAGS_TRUSTED_VF_DISABLE);
146 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
147}
148
149int bnxt_set_vf_trust(struct net_device *dev, int vf_id, bool trusted)
150{
151 struct bnxt *bp = netdev_priv(dev);
152 struct bnxt_vf_info *vf;
153
154 if (bnxt_vf_ndo_prep(bp, vf_id))
155 return -EINVAL;
156
157 vf = &bp->pf.vf[vf_id];
158 if (trusted)
159 vf->flags |= BNXT_VF_TRUST;
160 else
161 vf->flags &= ~BNXT_VF_TRUST;
162
163 bnxt_hwrm_set_trusted_vf(bp, vf);
164 return 0;
165}
166
167int bnxt_get_vf_config(struct net_device *dev, int vf_id,
168 struct ifla_vf_info *ivi)
169{
170 struct bnxt *bp = netdev_priv(dev);
171 struct bnxt_vf_info *vf;
172 int rc;
173
174 rc = bnxt_vf_ndo_prep(bp, vf_id);
175 if (rc)
176 return rc;
177
178 ivi->vf = vf_id;
179 vf = &bp->pf.vf[vf_id];
180
181 if (is_valid_ether_addr(vf->mac_addr))
182 memcpy(&ivi->mac, vf->mac_addr, ETH_ALEN);
183 else
184 memcpy(&ivi->mac, vf->vf_mac_addr, ETH_ALEN);
185 ivi->max_tx_rate = vf->max_tx_rate;
186 ivi->min_tx_rate = vf->min_tx_rate;
187 ivi->vlan = vf->vlan;
188 if (vf->flags & BNXT_VF_QOS)
189 ivi->qos = vf->vlan >> VLAN_PRIO_SHIFT;
190 else
191 ivi->qos = 0;
192 ivi->spoofchk = !!(vf->flags & BNXT_VF_SPOOFCHK);
193 ivi->trusted = bnxt_is_trusted_vf(bp, vf);
194 if (!(vf->flags & BNXT_VF_LINK_FORCED))
195 ivi->linkstate = IFLA_VF_LINK_STATE_AUTO;
196 else if (vf->flags & BNXT_VF_LINK_UP)
197 ivi->linkstate = IFLA_VF_LINK_STATE_ENABLE;
198 else
199 ivi->linkstate = IFLA_VF_LINK_STATE_DISABLE;
200
201 return 0;
202}
203
204int bnxt_set_vf_mac(struct net_device *dev, int vf_id, u8 *mac)
205{
206 struct hwrm_func_cfg_input req = {0};
207 struct bnxt *bp = netdev_priv(dev);
208 struct bnxt_vf_info *vf;
209 int rc;
210
211 rc = bnxt_vf_ndo_prep(bp, vf_id);
212 if (rc)
213 return rc;
214
215
216
217 if (is_multicast_ether_addr(mac)) {
218 netdev_err(dev, "Invalid VF ethernet address\n");
219 return -EINVAL;
220 }
221 vf = &bp->pf.vf[vf_id];
222
223 memcpy(vf->mac_addr, mac, ETH_ALEN);
224 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1);
225 req.fid = cpu_to_le16(vf->fw_fid);
226 req.enables = cpu_to_le32(FUNC_CFG_REQ_ENABLES_DFLT_MAC_ADDR);
227 memcpy(req.dflt_mac_addr, mac, ETH_ALEN);
228 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
229}
230
231int bnxt_set_vf_vlan(struct net_device *dev, int vf_id, u16 vlan_id, u8 qos,
232 __be16 vlan_proto)
233{
234 struct hwrm_func_cfg_input req = {0};
235 struct bnxt *bp = netdev_priv(dev);
236 struct bnxt_vf_info *vf;
237 u16 vlan_tag;
238 int rc;
239
240 if (bp->hwrm_spec_code < 0x10201)
241 return -ENOTSUPP;
242
243 if (vlan_proto != htons(ETH_P_8021Q))
244 return -EPROTONOSUPPORT;
245
246 rc = bnxt_vf_ndo_prep(bp, vf_id);
247 if (rc)
248 return rc;
249
250
251
252
253 if (vlan_id > 4095 || qos)
254 return -EINVAL;
255
256 vf = &bp->pf.vf[vf_id];
257 vlan_tag = vlan_id;
258 if (vlan_tag == vf->vlan)
259 return 0;
260
261 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1);
262 req.fid = cpu_to_le16(vf->fw_fid);
263 req.dflt_vlan = cpu_to_le16(vlan_tag);
264 req.enables = cpu_to_le32(FUNC_CFG_REQ_ENABLES_DFLT_VLAN);
265 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
266 if (!rc)
267 vf->vlan = vlan_tag;
268 return rc;
269}
270
271int bnxt_set_vf_bw(struct net_device *dev, int vf_id, int min_tx_rate,
272 int max_tx_rate)
273{
274 struct hwrm_func_cfg_input req = {0};
275 struct bnxt *bp = netdev_priv(dev);
276 struct bnxt_vf_info *vf;
277 u32 pf_link_speed;
278 int rc;
279
280 rc = bnxt_vf_ndo_prep(bp, vf_id);
281 if (rc)
282 return rc;
283
284 vf = &bp->pf.vf[vf_id];
285 pf_link_speed = bnxt_fw_to_ethtool_speed(bp->link_info.link_speed);
286 if (max_tx_rate > pf_link_speed) {
287 netdev_info(bp->dev, "max tx rate %d exceed PF link speed for VF %d\n",
288 max_tx_rate, vf_id);
289 return -EINVAL;
290 }
291
292 if (min_tx_rate > pf_link_speed || min_tx_rate > max_tx_rate) {
293 netdev_info(bp->dev, "min tx rate %d is invalid for VF %d\n",
294 min_tx_rate, vf_id);
295 return -EINVAL;
296 }
297 if (min_tx_rate == vf->min_tx_rate && max_tx_rate == vf->max_tx_rate)
298 return 0;
299 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1);
300 req.fid = cpu_to_le16(vf->fw_fid);
301 req.enables = cpu_to_le32(FUNC_CFG_REQ_ENABLES_MAX_BW);
302 req.max_bw = cpu_to_le32(max_tx_rate);
303 req.enables |= cpu_to_le32(FUNC_CFG_REQ_ENABLES_MIN_BW);
304 req.min_bw = cpu_to_le32(min_tx_rate);
305 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
306 if (!rc) {
307 vf->min_tx_rate = min_tx_rate;
308 vf->max_tx_rate = max_tx_rate;
309 }
310 return rc;
311}
312
313int bnxt_set_vf_link_state(struct net_device *dev, int vf_id, int link)
314{
315 struct bnxt *bp = netdev_priv(dev);
316 struct bnxt_vf_info *vf;
317 int rc;
318
319 rc = bnxt_vf_ndo_prep(bp, vf_id);
320 if (rc)
321 return rc;
322
323 vf = &bp->pf.vf[vf_id];
324
325 vf->flags &= ~(BNXT_VF_LINK_UP | BNXT_VF_LINK_FORCED);
326 switch (link) {
327 case IFLA_VF_LINK_STATE_AUTO:
328 vf->flags |= BNXT_VF_LINK_UP;
329 break;
330 case IFLA_VF_LINK_STATE_DISABLE:
331 vf->flags |= BNXT_VF_LINK_FORCED;
332 break;
333 case IFLA_VF_LINK_STATE_ENABLE:
334 vf->flags |= BNXT_VF_LINK_UP | BNXT_VF_LINK_FORCED;
335 break;
336 default:
337 netdev_err(bp->dev, "Invalid link option\n");
338 rc = -EINVAL;
339 break;
340 }
341 if (vf->flags & (BNXT_VF_LINK_UP | BNXT_VF_LINK_FORCED))
342 rc = bnxt_hwrm_fwd_async_event_cmpl(bp, vf,
343 ASYNC_EVENT_CMPL_EVENT_ID_LINK_STATUS_CHANGE);
344 return rc;
345}
346
347static int bnxt_set_vf_attr(struct bnxt *bp, int num_vfs)
348{
349 int i;
350 struct bnxt_vf_info *vf;
351
352 for (i = 0; i < num_vfs; i++) {
353 vf = &bp->pf.vf[i];
354 memset(vf, 0, sizeof(*vf));
355 }
356 return 0;
357}
358
359static int bnxt_hwrm_func_vf_resource_free(struct bnxt *bp, int num_vfs)
360{
361 int i, rc = 0;
362 struct bnxt_pf_info *pf = &bp->pf;
363 struct hwrm_func_vf_resc_free_input req = {0};
364
365 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_VF_RESC_FREE, -1, -1);
366
367 mutex_lock(&bp->hwrm_cmd_lock);
368 for (i = pf->first_vf_id; i < pf->first_vf_id + num_vfs; i++) {
369 req.vf_id = cpu_to_le16(i);
370 rc = _hwrm_send_message(bp, &req, sizeof(req),
371 HWRM_CMD_TIMEOUT);
372 if (rc)
373 break;
374 }
375 mutex_unlock(&bp->hwrm_cmd_lock);
376 return rc;
377}
378
379static void bnxt_free_vf_resources(struct bnxt *bp)
380{
381 struct pci_dev *pdev = bp->pdev;
382 int i;
383
384 kfree(bp->pf.vf_event_bmap);
385 bp->pf.vf_event_bmap = NULL;
386
387 for (i = 0; i < 4; i++) {
388 if (bp->pf.hwrm_cmd_req_addr[i]) {
389 dma_free_coherent(&pdev->dev, BNXT_PAGE_SIZE,
390 bp->pf.hwrm_cmd_req_addr[i],
391 bp->pf.hwrm_cmd_req_dma_addr[i]);
392 bp->pf.hwrm_cmd_req_addr[i] = NULL;
393 }
394 }
395
396 bp->pf.active_vfs = 0;
397 kfree(bp->pf.vf);
398 bp->pf.vf = NULL;
399}
400
401static int bnxt_alloc_vf_resources(struct bnxt *bp, int num_vfs)
402{
403 struct pci_dev *pdev = bp->pdev;
404 u32 nr_pages, size, i, j, k = 0;
405
406 bp->pf.vf = kcalloc(num_vfs, sizeof(struct bnxt_vf_info), GFP_KERNEL);
407 if (!bp->pf.vf)
408 return -ENOMEM;
409
410 bnxt_set_vf_attr(bp, num_vfs);
411
412 size = num_vfs * BNXT_HWRM_REQ_MAX_SIZE;
413 nr_pages = size / BNXT_PAGE_SIZE;
414 if (size & (BNXT_PAGE_SIZE - 1))
415 nr_pages++;
416
417 for (i = 0; i < nr_pages; i++) {
418 bp->pf.hwrm_cmd_req_addr[i] =
419 dma_alloc_coherent(&pdev->dev, BNXT_PAGE_SIZE,
420 &bp->pf.hwrm_cmd_req_dma_addr[i],
421 GFP_KERNEL);
422
423 if (!bp->pf.hwrm_cmd_req_addr[i])
424 return -ENOMEM;
425
426 for (j = 0; j < BNXT_HWRM_REQS_PER_PAGE && k < num_vfs; j++) {
427 struct bnxt_vf_info *vf = &bp->pf.vf[k];
428
429 vf->hwrm_cmd_req_addr = bp->pf.hwrm_cmd_req_addr[i] +
430 j * BNXT_HWRM_REQ_MAX_SIZE;
431 vf->hwrm_cmd_req_dma_addr =
432 bp->pf.hwrm_cmd_req_dma_addr[i] + j *
433 BNXT_HWRM_REQ_MAX_SIZE;
434 k++;
435 }
436 }
437
438
439 bp->pf.vf_event_bmap = kzalloc(16, GFP_KERNEL);
440 if (!bp->pf.vf_event_bmap)
441 return -ENOMEM;
442
443 bp->pf.hwrm_cmd_req_pages = nr_pages;
444 return 0;
445}
446
447static int bnxt_hwrm_func_buf_rgtr(struct bnxt *bp)
448{
449 struct hwrm_func_buf_rgtr_input req = {0};
450
451 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_BUF_RGTR, -1, -1);
452
453 req.req_buf_num_pages = cpu_to_le16(bp->pf.hwrm_cmd_req_pages);
454 req.req_buf_page_size = cpu_to_le16(BNXT_PAGE_SHIFT);
455 req.req_buf_len = cpu_to_le16(BNXT_HWRM_REQ_MAX_SIZE);
456 req.req_buf_page_addr0 = cpu_to_le64(bp->pf.hwrm_cmd_req_dma_addr[0]);
457 req.req_buf_page_addr1 = cpu_to_le64(bp->pf.hwrm_cmd_req_dma_addr[1]);
458 req.req_buf_page_addr2 = cpu_to_le64(bp->pf.hwrm_cmd_req_dma_addr[2]);
459 req.req_buf_page_addr3 = cpu_to_le64(bp->pf.hwrm_cmd_req_dma_addr[3]);
460
461 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
462}
463
464
465static void __bnxt_set_vf_params(struct bnxt *bp, int vf_id)
466{
467 struct hwrm_func_cfg_input req = {0};
468 struct bnxt_vf_info *vf;
469
470 vf = &bp->pf.vf[vf_id];
471 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1);
472 req.fid = cpu_to_le16(vf->fw_fid);
473
474 if (is_valid_ether_addr(vf->mac_addr)) {
475 req.enables |= cpu_to_le32(FUNC_CFG_REQ_ENABLES_DFLT_MAC_ADDR);
476 memcpy(req.dflt_mac_addr, vf->mac_addr, ETH_ALEN);
477 }
478 if (vf->vlan) {
479 req.enables |= cpu_to_le32(FUNC_CFG_REQ_ENABLES_DFLT_VLAN);
480 req.dflt_vlan = cpu_to_le16(vf->vlan);
481 }
482 if (vf->max_tx_rate) {
483 req.enables |= cpu_to_le32(FUNC_CFG_REQ_ENABLES_MAX_BW);
484 req.max_bw = cpu_to_le32(vf->max_tx_rate);
485#ifdef HAVE_IFLA_TX_RATE
486 req.enables |= cpu_to_le32(FUNC_CFG_REQ_ENABLES_MIN_BW);
487 req.min_bw = cpu_to_le32(vf->min_tx_rate);
488#endif
489 }
490 if (vf->flags & BNXT_VF_TRUST)
491 req.flags |= cpu_to_le32(FUNC_CFG_REQ_FLAGS_TRUSTED_VF_ENABLE);
492
493 _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
494}
495
496
497
498
499static int bnxt_hwrm_func_vf_resc_cfg(struct bnxt *bp, int num_vfs, bool reset)
500{
501 struct hwrm_func_vf_resource_cfg_input req = {0};
502 struct bnxt_hw_resc *hw_resc = &bp->hw_resc;
503 u16 vf_tx_rings, vf_rx_rings, vf_cp_rings;
504 u16 vf_stat_ctx, vf_vnics, vf_ring_grps;
505 struct bnxt_pf_info *pf = &bp->pf;
506 int i, rc = 0, min = 1;
507 u16 vf_msix = 0;
508 u16 vf_rss;
509
510 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_VF_RESOURCE_CFG, -1, -1);
511
512 if (bp->flags & BNXT_FLAG_CHIP_P5) {
513 vf_msix = hw_resc->max_nqs - bnxt_nq_rings_in_use(bp);
514 vf_ring_grps = 0;
515 } else {
516 vf_ring_grps = hw_resc->max_hw_ring_grps - bp->rx_nr_rings;
517 }
518 vf_cp_rings = bnxt_get_avail_cp_rings_for_en(bp);
519 vf_stat_ctx = bnxt_get_avail_stat_ctxs_for_en(bp);
520 if (bp->flags & BNXT_FLAG_AGG_RINGS)
521 vf_rx_rings = hw_resc->max_rx_rings - bp->rx_nr_rings * 2;
522 else
523 vf_rx_rings = hw_resc->max_rx_rings - bp->rx_nr_rings;
524 vf_tx_rings = hw_resc->max_tx_rings - bp->tx_nr_rings;
525 vf_vnics = hw_resc->max_vnics - bp->nr_vnics;
526 vf_vnics = min_t(u16, vf_vnics, vf_rx_rings);
527 vf_rss = hw_resc->max_rsscos_ctxs - bp->rsscos_nr_ctxs;
528
529 req.min_rsscos_ctx = cpu_to_le16(BNXT_VF_MIN_RSS_CTX);
530 if (pf->vf_resv_strategy == BNXT_VF_RESV_STRATEGY_MINIMAL_STATIC) {
531 min = 0;
532 req.min_rsscos_ctx = cpu_to_le16(min);
533 }
534 if (pf->vf_resv_strategy == BNXT_VF_RESV_STRATEGY_MINIMAL ||
535 pf->vf_resv_strategy == BNXT_VF_RESV_STRATEGY_MINIMAL_STATIC) {
536 req.min_cmpl_rings = cpu_to_le16(min);
537 req.min_tx_rings = cpu_to_le16(min);
538 req.min_rx_rings = cpu_to_le16(min);
539 req.min_l2_ctxs = cpu_to_le16(min);
540 req.min_vnics = cpu_to_le16(min);
541 req.min_stat_ctx = cpu_to_le16(min);
542 if (!(bp->flags & BNXT_FLAG_CHIP_P5))
543 req.min_hw_ring_grps = cpu_to_le16(min);
544 } else {
545 vf_cp_rings /= num_vfs;
546 vf_tx_rings /= num_vfs;
547 vf_rx_rings /= num_vfs;
548 vf_vnics /= num_vfs;
549 vf_stat_ctx /= num_vfs;
550 vf_ring_grps /= num_vfs;
551 vf_rss /= num_vfs;
552
553 req.min_cmpl_rings = cpu_to_le16(vf_cp_rings);
554 req.min_tx_rings = cpu_to_le16(vf_tx_rings);
555 req.min_rx_rings = cpu_to_le16(vf_rx_rings);
556 req.min_l2_ctxs = cpu_to_le16(BNXT_VF_MAX_L2_CTX);
557 req.min_vnics = cpu_to_le16(vf_vnics);
558 req.min_stat_ctx = cpu_to_le16(vf_stat_ctx);
559 req.min_hw_ring_grps = cpu_to_le16(vf_ring_grps);
560 req.min_rsscos_ctx = cpu_to_le16(vf_rss);
561 }
562 req.max_cmpl_rings = cpu_to_le16(vf_cp_rings);
563 req.max_tx_rings = cpu_to_le16(vf_tx_rings);
564 req.max_rx_rings = cpu_to_le16(vf_rx_rings);
565 req.max_l2_ctxs = cpu_to_le16(BNXT_VF_MAX_L2_CTX);
566 req.max_vnics = cpu_to_le16(vf_vnics);
567 req.max_stat_ctx = cpu_to_le16(vf_stat_ctx);
568 req.max_hw_ring_grps = cpu_to_le16(vf_ring_grps);
569 req.max_rsscos_ctx = cpu_to_le16(vf_rss);
570 if (bp->flags & BNXT_FLAG_CHIP_P5)
571 req.max_msix = cpu_to_le16(vf_msix / num_vfs);
572
573 mutex_lock(&bp->hwrm_cmd_lock);
574 for (i = 0; i < num_vfs; i++) {
575 if (reset)
576 __bnxt_set_vf_params(bp, i);
577
578 req.vf_id = cpu_to_le16(pf->first_vf_id + i);
579 rc = _hwrm_send_message(bp, &req, sizeof(req),
580 HWRM_CMD_TIMEOUT);
581 if (rc)
582 break;
583 pf->active_vfs = i + 1;
584 pf->vf[i].fw_fid = pf->first_vf_id + i;
585 }
586 mutex_unlock(&bp->hwrm_cmd_lock);
587 if (pf->active_vfs) {
588 u16 n = pf->active_vfs;
589
590 hw_resc->max_tx_rings -= le16_to_cpu(req.min_tx_rings) * n;
591 hw_resc->max_rx_rings -= le16_to_cpu(req.min_rx_rings) * n;
592 hw_resc->max_hw_ring_grps -= le16_to_cpu(req.min_hw_ring_grps) *
593 n;
594 hw_resc->max_cp_rings -= le16_to_cpu(req.min_cmpl_rings) * n;
595 hw_resc->max_rsscos_ctxs -= le16_to_cpu(req.min_rsscos_ctx) * n;
596 hw_resc->max_stat_ctxs -= le16_to_cpu(req.min_stat_ctx) * n;
597 hw_resc->max_vnics -= le16_to_cpu(req.min_vnics) * n;
598 if (bp->flags & BNXT_FLAG_CHIP_P5)
599 hw_resc->max_irqs -= vf_msix * n;
600
601 rc = pf->active_vfs;
602 }
603 return rc;
604}
605
606
607
608
609static int bnxt_hwrm_func_cfg(struct bnxt *bp, int num_vfs)
610{
611 u32 rc = 0, mtu, i;
612 u16 vf_tx_rings, vf_rx_rings, vf_cp_rings, vf_stat_ctx, vf_vnics;
613 struct bnxt_hw_resc *hw_resc = &bp->hw_resc;
614 struct hwrm_func_cfg_input req = {0};
615 struct bnxt_pf_info *pf = &bp->pf;
616 int total_vf_tx_rings = 0;
617 u16 vf_ring_grps;
618
619 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1);
620
621
622 vf_cp_rings = bnxt_get_avail_cp_rings_for_en(bp) / num_vfs;
623 vf_stat_ctx = bnxt_get_avail_stat_ctxs_for_en(bp) / num_vfs;
624 if (bp->flags & BNXT_FLAG_AGG_RINGS)
625 vf_rx_rings = (hw_resc->max_rx_rings - bp->rx_nr_rings * 2) /
626 num_vfs;
627 else
628 vf_rx_rings = (hw_resc->max_rx_rings - bp->rx_nr_rings) /
629 num_vfs;
630 vf_ring_grps = (hw_resc->max_hw_ring_grps - bp->rx_nr_rings) / num_vfs;
631 vf_tx_rings = (hw_resc->max_tx_rings - bp->tx_nr_rings) / num_vfs;
632 vf_vnics = (hw_resc->max_vnics - bp->nr_vnics) / num_vfs;
633 vf_vnics = min_t(u16, vf_vnics, vf_rx_rings);
634
635 req.enables = cpu_to_le32(FUNC_CFG_REQ_ENABLES_ADMIN_MTU |
636 FUNC_CFG_REQ_ENABLES_MRU |
637 FUNC_CFG_REQ_ENABLES_NUM_RSSCOS_CTXS |
638 FUNC_CFG_REQ_ENABLES_NUM_STAT_CTXS |
639 FUNC_CFG_REQ_ENABLES_NUM_CMPL_RINGS |
640 FUNC_CFG_REQ_ENABLES_NUM_TX_RINGS |
641 FUNC_CFG_REQ_ENABLES_NUM_RX_RINGS |
642 FUNC_CFG_REQ_ENABLES_NUM_L2_CTXS |
643 FUNC_CFG_REQ_ENABLES_NUM_VNICS |
644 FUNC_CFG_REQ_ENABLES_NUM_HW_RING_GRPS);
645
646 mtu = bp->dev->mtu + ETH_HLEN + VLAN_HLEN;
647 req.mru = cpu_to_le16(mtu);
648 req.admin_mtu = cpu_to_le16(mtu);
649
650 req.num_rsscos_ctxs = cpu_to_le16(1);
651 req.num_cmpl_rings = cpu_to_le16(vf_cp_rings);
652 req.num_tx_rings = cpu_to_le16(vf_tx_rings);
653 req.num_rx_rings = cpu_to_le16(vf_rx_rings);
654 req.num_hw_ring_grps = cpu_to_le16(vf_ring_grps);
655 req.num_l2_ctxs = cpu_to_le16(4);
656
657 req.num_vnics = cpu_to_le16(vf_vnics);
658
659 req.num_stat_ctxs = cpu_to_le16(vf_stat_ctx);
660
661 mutex_lock(&bp->hwrm_cmd_lock);
662 for (i = 0; i < num_vfs; i++) {
663 int vf_tx_rsvd = vf_tx_rings;
664
665 req.fid = cpu_to_le16(pf->first_vf_id + i);
666 rc = _hwrm_send_message(bp, &req, sizeof(req),
667 HWRM_CMD_TIMEOUT);
668 if (rc)
669 break;
670 pf->active_vfs = i + 1;
671 pf->vf[i].fw_fid = le16_to_cpu(req.fid);
672 rc = __bnxt_hwrm_get_tx_rings(bp, pf->vf[i].fw_fid,
673 &vf_tx_rsvd);
674 if (rc)
675 break;
676 total_vf_tx_rings += vf_tx_rsvd;
677 }
678 mutex_unlock(&bp->hwrm_cmd_lock);
679 if (pf->active_vfs) {
680 hw_resc->max_tx_rings -= total_vf_tx_rings;
681 hw_resc->max_rx_rings -= vf_rx_rings * num_vfs;
682 hw_resc->max_hw_ring_grps -= vf_ring_grps * num_vfs;
683 hw_resc->max_cp_rings -= vf_cp_rings * num_vfs;
684 hw_resc->max_rsscos_ctxs -= num_vfs;
685 hw_resc->max_stat_ctxs -= vf_stat_ctx * num_vfs;
686 hw_resc->max_vnics -= vf_vnics * num_vfs;
687 rc = pf->active_vfs;
688 }
689 return rc;
690}
691
692static int bnxt_func_cfg(struct bnxt *bp, int num_vfs, bool reset)
693{
694 if (BNXT_NEW_RM(bp))
695 return bnxt_hwrm_func_vf_resc_cfg(bp, num_vfs, reset);
696 else
697 return bnxt_hwrm_func_cfg(bp, num_vfs);
698}
699
700int bnxt_cfg_hw_sriov(struct bnxt *bp, int *num_vfs, bool reset)
701{
702 int rc;
703
704
705 rc = bnxt_hwrm_func_buf_rgtr(bp);
706 if (rc)
707 return rc;
708
709
710 rc = bnxt_func_cfg(bp, *num_vfs, reset);
711 if (rc != *num_vfs) {
712 if (rc <= 0) {
713 netdev_warn(bp->dev, "Unable to reserve resources for SRIOV.\n");
714 *num_vfs = 0;
715 return rc;
716 }
717 netdev_warn(bp->dev, "Only able to reserve resources for %d VFs.\n",
718 rc);
719 *num_vfs = rc;
720 }
721
722 bnxt_ulp_sriov_cfg(bp, *num_vfs);
723 return 0;
724}
725
726static int bnxt_sriov_enable(struct bnxt *bp, int *num_vfs)
727{
728 int rc = 0, vfs_supported;
729 int min_rx_rings, min_tx_rings, min_rss_ctxs;
730 struct bnxt_hw_resc *hw_resc = &bp->hw_resc;
731 int tx_ok = 0, rx_ok = 0, rss_ok = 0;
732 int avail_cp, avail_stat;
733
734
735
736
737
738 vfs_supported = *num_vfs;
739
740 avail_cp = bnxt_get_avail_cp_rings_for_en(bp);
741 avail_stat = bnxt_get_avail_stat_ctxs_for_en(bp);
742 avail_cp = min_t(int, avail_cp, avail_stat);
743
744 while (vfs_supported) {
745 min_rx_rings = vfs_supported;
746 min_tx_rings = vfs_supported;
747 min_rss_ctxs = vfs_supported;
748
749 if (bp->flags & BNXT_FLAG_AGG_RINGS) {
750 if (hw_resc->max_rx_rings - bp->rx_nr_rings * 2 >=
751 min_rx_rings)
752 rx_ok = 1;
753 } else {
754 if (hw_resc->max_rx_rings - bp->rx_nr_rings >=
755 min_rx_rings)
756 rx_ok = 1;
757 }
758 if (hw_resc->max_vnics - bp->nr_vnics < min_rx_rings ||
759 avail_cp < min_rx_rings)
760 rx_ok = 0;
761
762 if (hw_resc->max_tx_rings - bp->tx_nr_rings >= min_tx_rings &&
763 avail_cp >= min_tx_rings)
764 tx_ok = 1;
765
766 if (hw_resc->max_rsscos_ctxs - bp->rsscos_nr_ctxs >=
767 min_rss_ctxs)
768 rss_ok = 1;
769
770 if (tx_ok && rx_ok && rss_ok)
771 break;
772
773 vfs_supported--;
774 }
775
776 if (!vfs_supported) {
777 netdev_err(bp->dev, "Cannot enable VF's as all resources are used by PF\n");
778 return -EINVAL;
779 }
780
781 if (vfs_supported != *num_vfs) {
782 netdev_info(bp->dev, "Requested VFs %d, can enable %d\n",
783 *num_vfs, vfs_supported);
784 *num_vfs = vfs_supported;
785 }
786
787 rc = bnxt_alloc_vf_resources(bp, *num_vfs);
788 if (rc)
789 goto err_out1;
790
791 rc = bnxt_cfg_hw_sriov(bp, num_vfs, false);
792 if (rc)
793 goto err_out2;
794
795 rc = pci_enable_sriov(bp->pdev, *num_vfs);
796 if (rc)
797 goto err_out2;
798
799 return 0;
800
801err_out2:
802
803 bnxt_hwrm_func_vf_resource_free(bp, *num_vfs);
804
805err_out1:
806 bnxt_free_vf_resources(bp);
807
808 return rc;
809}
810
811void bnxt_sriov_disable(struct bnxt *bp)
812{
813 u16 num_vfs = pci_num_vf(bp->pdev);
814
815 if (!num_vfs)
816 return;
817
818
819 mutex_lock(&bp->sriov_lock);
820 bnxt_vf_reps_destroy(bp);
821
822 if (pci_vfs_assigned(bp->pdev)) {
823 bnxt_hwrm_fwd_async_event_cmpl(
824 bp, NULL, ASYNC_EVENT_CMPL_EVENT_ID_PF_DRVR_UNLOAD);
825 netdev_warn(bp->dev, "Unable to free %d VFs because some are assigned to VMs.\n",
826 num_vfs);
827 } else {
828 pci_disable_sriov(bp->pdev);
829
830 bnxt_hwrm_func_vf_resource_free(bp, num_vfs);
831 }
832 mutex_unlock(&bp->sriov_lock);
833
834 bnxt_free_vf_resources(bp);
835
836
837 rtnl_lock();
838 bnxt_restore_pf_fw_resources(bp);
839 rtnl_unlock();
840
841 bnxt_ulp_sriov_cfg(bp, 0);
842}
843
844int bnxt_sriov_configure(struct pci_dev *pdev, int num_vfs)
845{
846 struct net_device *dev = pci_get_drvdata(pdev);
847 struct bnxt *bp = netdev_priv(dev);
848
849 if (!(bp->flags & BNXT_FLAG_USING_MSIX)) {
850 netdev_warn(dev, "Not allow SRIOV if the irq mode is not MSIX\n");
851 return 0;
852 }
853
854 rtnl_lock();
855 if (!netif_running(dev)) {
856 netdev_warn(dev, "Reject SRIOV config request since if is down!\n");
857 rtnl_unlock();
858 return 0;
859 }
860 if (test_bit(BNXT_STATE_IN_FW_RESET, &bp->state)) {
861 netdev_warn(dev, "Reject SRIOV config request when FW reset is in progress\n");
862 rtnl_unlock();
863 return 0;
864 }
865 bp->sriov_cfg = true;
866 rtnl_unlock();
867
868 if (pci_vfs_assigned(bp->pdev)) {
869 netdev_warn(dev, "Unable to configure SRIOV since some VFs are assigned to VMs.\n");
870 num_vfs = 0;
871 goto sriov_cfg_exit;
872 }
873
874
875 if (num_vfs && num_vfs == bp->pf.active_vfs)
876 goto sriov_cfg_exit;
877
878
879 bnxt_sriov_disable(bp);
880 if (!num_vfs)
881 goto sriov_cfg_exit;
882
883 bnxt_sriov_enable(bp, &num_vfs);
884
885sriov_cfg_exit:
886 bp->sriov_cfg = false;
887 wake_up(&bp->sriov_cfg_wait);
888
889 return num_vfs;
890}
891
892static int bnxt_hwrm_fwd_resp(struct bnxt *bp, struct bnxt_vf_info *vf,
893 void *encap_resp, __le64 encap_resp_addr,
894 __le16 encap_resp_cpr, u32 msg_size)
895{
896 int rc = 0;
897 struct hwrm_fwd_resp_input req = {0};
898
899 if (BNXT_FWD_RESP_SIZE_ERR(msg_size))
900 return -EINVAL;
901
902 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FWD_RESP, -1, -1);
903
904
905 req.target_id = cpu_to_le16(vf->fw_fid);
906 req.encap_resp_target_id = cpu_to_le16(vf->fw_fid);
907 req.encap_resp_len = cpu_to_le16(msg_size);
908 req.encap_resp_addr = encap_resp_addr;
909 req.encap_resp_cmpl_ring = encap_resp_cpr;
910 memcpy(req.encap_resp, encap_resp, msg_size);
911
912 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
913 if (rc)
914 netdev_err(bp->dev, "hwrm_fwd_resp failed. rc:%d\n", rc);
915 return rc;
916}
917
918static int bnxt_hwrm_fwd_err_resp(struct bnxt *bp, struct bnxt_vf_info *vf,
919 u32 msg_size)
920{
921 int rc = 0;
922 struct hwrm_reject_fwd_resp_input req = {0};
923
924 if (BNXT_REJ_FWD_RESP_SIZE_ERR(msg_size))
925 return -EINVAL;
926
927 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_REJECT_FWD_RESP, -1, -1);
928
929 req.target_id = cpu_to_le16(vf->fw_fid);
930 req.encap_resp_target_id = cpu_to_le16(vf->fw_fid);
931 memcpy(req.encap_request, vf->hwrm_cmd_req_addr, msg_size);
932
933 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
934 if (rc)
935 netdev_err(bp->dev, "hwrm_fwd_err_resp failed. rc:%d\n", rc);
936 return rc;
937}
938
939static int bnxt_hwrm_exec_fwd_resp(struct bnxt *bp, struct bnxt_vf_info *vf,
940 u32 msg_size)
941{
942 int rc = 0;
943 struct hwrm_exec_fwd_resp_input req = {0};
944
945 if (BNXT_EXEC_FWD_RESP_SIZE_ERR(msg_size))
946 return -EINVAL;
947
948 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_EXEC_FWD_RESP, -1, -1);
949
950 req.target_id = cpu_to_le16(vf->fw_fid);
951 req.encap_resp_target_id = cpu_to_le16(vf->fw_fid);
952 memcpy(req.encap_request, vf->hwrm_cmd_req_addr, msg_size);
953
954 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
955 if (rc)
956 netdev_err(bp->dev, "hwrm_exec_fw_resp failed. rc:%d\n", rc);
957 return rc;
958}
959
960static int bnxt_vf_configure_mac(struct bnxt *bp, struct bnxt_vf_info *vf)
961{
962 u32 msg_size = sizeof(struct hwrm_func_vf_cfg_input);
963 struct hwrm_func_vf_cfg_input *req =
964 (struct hwrm_func_vf_cfg_input *)vf->hwrm_cmd_req_addr;
965
966
967
968
969 if (req->enables & cpu_to_le32(FUNC_VF_CFG_REQ_ENABLES_DFLT_MAC_ADDR)) {
970 bool trust = bnxt_is_trusted_vf(bp, vf);
971
972 if (is_valid_ether_addr(req->dflt_mac_addr) &&
973 (trust || !is_valid_ether_addr(vf->mac_addr) ||
974 ether_addr_equal(req->dflt_mac_addr, vf->mac_addr))) {
975 ether_addr_copy(vf->vf_mac_addr, req->dflt_mac_addr);
976 return bnxt_hwrm_exec_fwd_resp(bp, vf, msg_size);
977 }
978 return bnxt_hwrm_fwd_err_resp(bp, vf, msg_size);
979 }
980 return bnxt_hwrm_exec_fwd_resp(bp, vf, msg_size);
981}
982
983static int bnxt_vf_validate_set_mac(struct bnxt *bp, struct bnxt_vf_info *vf)
984{
985 u32 msg_size = sizeof(struct hwrm_cfa_l2_filter_alloc_input);
986 struct hwrm_cfa_l2_filter_alloc_input *req =
987 (struct hwrm_cfa_l2_filter_alloc_input *)vf->hwrm_cmd_req_addr;
988 bool mac_ok = false;
989
990 if (!is_valid_ether_addr((const u8 *)req->l2_addr))
991 return bnxt_hwrm_fwd_err_resp(bp, vf, msg_size);
992
993
994
995
996
997
998 if (bnxt_is_trusted_vf(bp, vf)) {
999 mac_ok = true;
1000 } else if (is_valid_ether_addr(vf->mac_addr)) {
1001 if (ether_addr_equal((const u8 *)req->l2_addr, vf->mac_addr))
1002 mac_ok = true;
1003 } else if (is_valid_ether_addr(vf->vf_mac_addr)) {
1004 if (ether_addr_equal((const u8 *)req->l2_addr, vf->vf_mac_addr))
1005 mac_ok = true;
1006 } else {
1007
1008
1009
1010
1011
1012
1013 mac_ok = true;
1014 }
1015 if (mac_ok)
1016 return bnxt_hwrm_exec_fwd_resp(bp, vf, msg_size);
1017 return bnxt_hwrm_fwd_err_resp(bp, vf, msg_size);
1018}
1019
1020static int bnxt_vf_set_link(struct bnxt *bp, struct bnxt_vf_info *vf)
1021{
1022 int rc = 0;
1023
1024 if (!(vf->flags & BNXT_VF_LINK_FORCED)) {
1025
1026 rc = bnxt_hwrm_exec_fwd_resp(
1027 bp, vf, sizeof(struct hwrm_port_phy_qcfg_input));
1028 } else {
1029 struct hwrm_port_phy_qcfg_output phy_qcfg_resp = {0};
1030 struct hwrm_port_phy_qcfg_input *phy_qcfg_req;
1031
1032 phy_qcfg_req =
1033 (struct hwrm_port_phy_qcfg_input *)vf->hwrm_cmd_req_addr;
1034 mutex_lock(&bp->hwrm_cmd_lock);
1035 memcpy(&phy_qcfg_resp, &bp->link_info.phy_qcfg_resp,
1036 sizeof(phy_qcfg_resp));
1037 mutex_unlock(&bp->hwrm_cmd_lock);
1038 phy_qcfg_resp.resp_len = cpu_to_le16(sizeof(phy_qcfg_resp));
1039 phy_qcfg_resp.seq_id = phy_qcfg_req->seq_id;
1040 phy_qcfg_resp.valid = 1;
1041
1042 if (vf->flags & BNXT_VF_LINK_UP) {
1043
1044 if (phy_qcfg_resp.link !=
1045 PORT_PHY_QCFG_RESP_LINK_LINK) {
1046 phy_qcfg_resp.link =
1047 PORT_PHY_QCFG_RESP_LINK_LINK;
1048 phy_qcfg_resp.link_speed = cpu_to_le16(
1049 PORT_PHY_QCFG_RESP_LINK_SPEED_10GB);
1050 phy_qcfg_resp.duplex_cfg =
1051 PORT_PHY_QCFG_RESP_DUPLEX_CFG_FULL;
1052 phy_qcfg_resp.duplex_state =
1053 PORT_PHY_QCFG_RESP_DUPLEX_STATE_FULL;
1054 phy_qcfg_resp.pause =
1055 (PORT_PHY_QCFG_RESP_PAUSE_TX |
1056 PORT_PHY_QCFG_RESP_PAUSE_RX);
1057 }
1058 } else {
1059
1060 phy_qcfg_resp.link = PORT_PHY_QCFG_RESP_LINK_NO_LINK;
1061 phy_qcfg_resp.link_speed = 0;
1062 phy_qcfg_resp.duplex_state =
1063 PORT_PHY_QCFG_RESP_DUPLEX_STATE_HALF;
1064 phy_qcfg_resp.pause = 0;
1065 }
1066 rc = bnxt_hwrm_fwd_resp(bp, vf, &phy_qcfg_resp,
1067 phy_qcfg_req->resp_addr,
1068 phy_qcfg_req->cmpl_ring,
1069 sizeof(phy_qcfg_resp));
1070 }
1071 return rc;
1072}
1073
1074static int bnxt_vf_req_validate_snd(struct bnxt *bp, struct bnxt_vf_info *vf)
1075{
1076 int rc = 0;
1077 struct input *encap_req = vf->hwrm_cmd_req_addr;
1078 u32 req_type = le16_to_cpu(encap_req->req_type);
1079
1080 switch (req_type) {
1081 case HWRM_FUNC_VF_CFG:
1082 rc = bnxt_vf_configure_mac(bp, vf);
1083 break;
1084 case HWRM_CFA_L2_FILTER_ALLOC:
1085 rc = bnxt_vf_validate_set_mac(bp, vf);
1086 break;
1087 case HWRM_FUNC_CFG:
1088
1089
1090
1091 rc = bnxt_hwrm_exec_fwd_resp(
1092 bp, vf, sizeof(struct hwrm_func_cfg_input));
1093 break;
1094 case HWRM_PORT_PHY_QCFG:
1095 rc = bnxt_vf_set_link(bp, vf);
1096 break;
1097 default:
1098 break;
1099 }
1100 return rc;
1101}
1102
1103void bnxt_hwrm_exec_fwd_req(struct bnxt *bp)
1104{
1105 u32 i = 0, active_vfs = bp->pf.active_vfs, vf_id;
1106
1107
1108 while (1) {
1109 vf_id = find_next_bit(bp->pf.vf_event_bmap, active_vfs, i);
1110 if (vf_id >= active_vfs)
1111 break;
1112
1113 clear_bit(vf_id, bp->pf.vf_event_bmap);
1114 bnxt_vf_req_validate_snd(bp, &bp->pf.vf[vf_id]);
1115 i = vf_id + 1;
1116 }
1117}
1118
1119int bnxt_approve_mac(struct bnxt *bp, u8 *mac, bool strict)
1120{
1121 struct hwrm_func_vf_cfg_input req = {0};
1122 int rc = 0;
1123
1124 if (!BNXT_VF(bp))
1125 return 0;
1126
1127 if (bp->hwrm_spec_code < 0x10202) {
1128 if (is_valid_ether_addr(bp->vf.mac_addr))
1129 rc = -EADDRNOTAVAIL;
1130 goto mac_done;
1131 }
1132 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_VF_CFG, -1, -1);
1133 req.enables = cpu_to_le32(FUNC_VF_CFG_REQ_ENABLES_DFLT_MAC_ADDR);
1134 memcpy(req.dflt_mac_addr, mac, ETH_ALEN);
1135 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1136mac_done:
1137 if (rc && strict) {
1138 rc = -EADDRNOTAVAIL;
1139 netdev_warn(bp->dev, "VF MAC address %pM not approved by the PF\n",
1140 mac);
1141 return rc;
1142 }
1143 return 0;
1144}
1145
1146void bnxt_update_vf_mac(struct bnxt *bp)
1147{
1148 struct hwrm_func_qcaps_input req = {0};
1149 struct hwrm_func_qcaps_output *resp = bp->hwrm_cmd_resp_addr;
1150 bool inform_pf = false;
1151
1152 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_QCAPS, -1, -1);
1153 req.fid = cpu_to_le16(0xffff);
1154
1155 mutex_lock(&bp->hwrm_cmd_lock);
1156 if (_hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT))
1157 goto update_vf_mac_exit;
1158
1159
1160
1161
1162
1163
1164
1165
1166 if (!ether_addr_equal(resp->mac_address, bp->vf.mac_addr)) {
1167 memcpy(bp->vf.mac_addr, resp->mac_address, ETH_ALEN);
1168
1169
1170
1171 if (!is_valid_ether_addr(bp->vf.mac_addr))
1172 inform_pf = true;
1173 }
1174
1175
1176 if (is_valid_ether_addr(bp->vf.mac_addr))
1177 memcpy(bp->dev->dev_addr, bp->vf.mac_addr, ETH_ALEN);
1178update_vf_mac_exit:
1179 mutex_unlock(&bp->hwrm_cmd_lock);
1180 if (inform_pf)
1181 bnxt_approve_mac(bp, bp->dev->dev_addr, false);
1182}
1183
1184#else
1185
1186int bnxt_cfg_hw_sriov(struct bnxt *bp, int *num_vfs, bool reset)
1187{
1188 if (*num_vfs)
1189 return -EOPNOTSUPP;
1190 return 0;
1191}
1192
1193void bnxt_sriov_disable(struct bnxt *bp)
1194{
1195}
1196
1197void bnxt_hwrm_exec_fwd_req(struct bnxt *bp)
1198{
1199 netdev_err(bp->dev, "Invalid VF message received when SRIOV is not enable\n");
1200}
1201
1202void bnxt_update_vf_mac(struct bnxt *bp)
1203{
1204}
1205
1206int bnxt_approve_mac(struct bnxt *bp, u8 *mac, bool strict)
1207{
1208 return 0;
1209}
1210#endif
1211
