1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
2 /* QLogic qed NIC Driver
3 * Copyright (c) 2015-2017 QLogic Corporation
4 * Copyright (c) 2019-2020 Marvell International Ltd.
5 */
6
7 #include <linux/crc32.h>
8 #include <linux/etherdevice.h>
9 #include "qed.h"
10 #include "qed_sriov.h"
11 #include "qed_vf.h"
12
qed_vf_pf_prep(struct qed_hwfn * p_hwfn,u16 type,u16 length)13 static void *qed_vf_pf_prep(struct qed_hwfn *p_hwfn, u16 type, u16 length)
14 {
15 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
16 void *p_tlv;
17
18 /* This lock is released when we receive PF's response
19 * in qed_send_msg2pf().
20 * So, qed_vf_pf_prep() and qed_send_msg2pf()
21 * must come in sequence.
22 */
23 mutex_lock(&(p_iov->mutex));
24
25 DP_VERBOSE(p_hwfn,
26 QED_MSG_IOV,
27 "preparing to send 0x%04x tlv over vf pf channel\n",
28 type);
29
30 /* Reset Requst offset */
31 p_iov->offset = (u8 *)p_iov->vf2pf_request;
32
33 /* Clear mailbox - both request and reply */
34 memset(p_iov->vf2pf_request, 0, sizeof(union vfpf_tlvs));
35 memset(p_iov->pf2vf_reply, 0, sizeof(union pfvf_tlvs));
36
37 /* Init type and length */
38 p_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, type, length);
39
40 /* Init first tlv header */
41 ((struct vfpf_first_tlv *)p_tlv)->reply_address =
42 (u64)p_iov->pf2vf_reply_phys;
43
44 return p_tlv;
45 }
46
qed_vf_pf_req_end(struct qed_hwfn * p_hwfn,int req_status)47 static void qed_vf_pf_req_end(struct qed_hwfn *p_hwfn, int req_status)
48 {
49 union pfvf_tlvs *resp = p_hwfn->vf_iov_info->pf2vf_reply;
50
51 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
52 "VF request status = 0x%x, PF reply status = 0x%x\n",
53 req_status, resp->default_resp.hdr.status);
54
55 mutex_unlock(&(p_hwfn->vf_iov_info->mutex));
56 }
57
58 #define QED_VF_CHANNEL_USLEEP_ITERATIONS 90
59 #define QED_VF_CHANNEL_USLEEP_DELAY 100
60 #define QED_VF_CHANNEL_MSLEEP_ITERATIONS 10
61 #define QED_VF_CHANNEL_MSLEEP_DELAY 25
62
qed_send_msg2pf(struct qed_hwfn * p_hwfn,u8 * done,u32 resp_size)63 static int qed_send_msg2pf(struct qed_hwfn *p_hwfn, u8 *done, u32 resp_size)
64 {
65 union vfpf_tlvs *p_req = p_hwfn->vf_iov_info->vf2pf_request;
66 struct ustorm_trigger_vf_zone trigger;
67 struct ustorm_vf_zone *zone_data;
68 int iter, rc = 0;
69
70 zone_data = (struct ustorm_vf_zone *)PXP_VF_BAR0_START_USDM_ZONE_B;
71
72 /* output tlvs list */
73 qed_dp_tlv_list(p_hwfn, p_req);
74
75 /* need to add the END TLV to the message size */
76 resp_size += sizeof(struct channel_list_end_tlv);
77
78 /* Send TLVs over HW channel */
79 memset(&trigger, 0, sizeof(struct ustorm_trigger_vf_zone));
80 trigger.vf_pf_msg_valid = 1;
81
82 DP_VERBOSE(p_hwfn,
83 QED_MSG_IOV,
84 "VF -> PF [%02x] message: [%08x, %08x] --> %p, %08x --> %p\n",
85 GET_FIELD(p_hwfn->hw_info.concrete_fid,
86 PXP_CONCRETE_FID_PFID),
87 upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys),
88 lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys),
89 &zone_data->non_trigger.vf_pf_msg_addr,
90 *((u32 *)&trigger), &zone_data->trigger);
91
92 REG_WR(p_hwfn,
93 (uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.lo,
94 lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys));
95
96 REG_WR(p_hwfn,
97 (uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.hi,
98 upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys));
99
100 /* The message data must be written first, to prevent trigger before
101 * data is written.
102 */
103 wmb();
104
105 REG_WR(p_hwfn, (uintptr_t)&zone_data->trigger, *((u32 *)&trigger));
106
107 /* When PF would be done with the response, it would write back to the
108 * `done' address from a coherent DMA zone. Poll until then.
109 */
110
111 iter = QED_VF_CHANNEL_USLEEP_ITERATIONS;
112 while (!*done && iter--) {
113 udelay(QED_VF_CHANNEL_USLEEP_DELAY);
114 dma_rmb();
115 }
116
117 iter = QED_VF_CHANNEL_MSLEEP_ITERATIONS;
118 while (!*done && iter--) {
119 msleep(QED_VF_CHANNEL_MSLEEP_DELAY);
120 dma_rmb();
121 }
122
123 if (!*done) {
124 DP_NOTICE(p_hwfn,
125 "VF <-- PF Timeout [Type %d]\n",
126 p_req->first_tlv.tl.type);
127 rc = -EBUSY;
128 } else {
129 if ((*done != PFVF_STATUS_SUCCESS) &&
130 (*done != PFVF_STATUS_NO_RESOURCE))
131 DP_NOTICE(p_hwfn,
132 "PF response: %d [Type %d]\n",
133 *done, p_req->first_tlv.tl.type);
134 else
135 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
136 "PF response: %d [Type %d]\n",
137 *done, p_req->first_tlv.tl.type);
138 }
139
140 return rc;
141 }
142
qed_vf_pf_add_qid(struct qed_hwfn * p_hwfn,struct qed_queue_cid * p_cid)143 static void qed_vf_pf_add_qid(struct qed_hwfn *p_hwfn,
144 struct qed_queue_cid *p_cid)
145 {
146 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
147 struct vfpf_qid_tlv *p_qid_tlv;
148
149 /* Only add QIDs for the queue if it was negotiated with PF */
150 if (!(p_iov->acquire_resp.pfdev_info.capabilities &
151 PFVF_ACQUIRE_CAP_QUEUE_QIDS))
152 return;
153
154 p_qid_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
155 CHANNEL_TLV_QID, sizeof(*p_qid_tlv));
156 p_qid_tlv->qid = p_cid->qid_usage_idx;
157 }
158
_qed_vf_pf_release(struct qed_hwfn * p_hwfn,bool b_final)159 static int _qed_vf_pf_release(struct qed_hwfn *p_hwfn, bool b_final)
160 {
161 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
162 struct pfvf_def_resp_tlv *resp;
163 struct vfpf_first_tlv *req;
164 u32 size;
165 int rc;
166
167 /* clear mailbox and prep first tlv */
168 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_RELEASE, sizeof(*req));
169
170 /* add list termination tlv */
171 qed_add_tlv(p_hwfn, &p_iov->offset,
172 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
173
174 resp = &p_iov->pf2vf_reply->default_resp;
175 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
176
177 if (!rc && resp->hdr.status != PFVF_STATUS_SUCCESS)
178 rc = -EAGAIN;
179
180 qed_vf_pf_req_end(p_hwfn, rc);
181 if (!b_final)
182 return rc;
183
184 p_hwfn->b_int_enabled = 0;
185
186 if (p_iov->vf2pf_request)
187 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
188 sizeof(union vfpf_tlvs),
189 p_iov->vf2pf_request,
190 p_iov->vf2pf_request_phys);
191 if (p_iov->pf2vf_reply)
192 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
193 sizeof(union pfvf_tlvs),
194 p_iov->pf2vf_reply, p_iov->pf2vf_reply_phys);
195
196 if (p_iov->bulletin.p_virt) {
197 size = sizeof(struct qed_bulletin_content);
198 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
199 size,
200 p_iov->bulletin.p_virt, p_iov->bulletin.phys);
201 }
202
203 kfree(p_hwfn->vf_iov_info);
204 p_hwfn->vf_iov_info = NULL;
205
206 return rc;
207 }
208
qed_vf_pf_release(struct qed_hwfn * p_hwfn)209 int qed_vf_pf_release(struct qed_hwfn *p_hwfn)
210 {
211 return _qed_vf_pf_release(p_hwfn, true);
212 }
213
214 #define VF_ACQUIRE_THRESH 3
qed_vf_pf_acquire_reduce_resc(struct qed_hwfn * p_hwfn,struct vf_pf_resc_request * p_req,struct pf_vf_resc * p_resp)215 static void qed_vf_pf_acquire_reduce_resc(struct qed_hwfn *p_hwfn,
216 struct vf_pf_resc_request *p_req,
217 struct pf_vf_resc *p_resp)
218 {
219 DP_VERBOSE(p_hwfn,
220 QED_MSG_IOV,
221 "PF unwilling to fulfill resource request: rxq [%02x/%02x] txq [%02x/%02x] sbs [%02x/%02x] mac [%02x/%02x] vlan [%02x/%02x] mc [%02x/%02x] cids [%02x/%02x]. Try PF recommended amount\n",
222 p_req->num_rxqs,
223 p_resp->num_rxqs,
224 p_req->num_rxqs,
225 p_resp->num_txqs,
226 p_req->num_sbs,
227 p_resp->num_sbs,
228 p_req->num_mac_filters,
229 p_resp->num_mac_filters,
230 p_req->num_vlan_filters,
231 p_resp->num_vlan_filters,
232 p_req->num_mc_filters,
233 p_resp->num_mc_filters, p_req->num_cids, p_resp->num_cids);
234
235 /* humble our request */
236 p_req->num_txqs = p_resp->num_txqs;
237 p_req->num_rxqs = p_resp->num_rxqs;
238 p_req->num_sbs = p_resp->num_sbs;
239 p_req->num_mac_filters = p_resp->num_mac_filters;
240 p_req->num_vlan_filters = p_resp->num_vlan_filters;
241 p_req->num_mc_filters = p_resp->num_mc_filters;
242 p_req->num_cids = p_resp->num_cids;
243 }
244
qed_vf_pf_acquire(struct qed_hwfn * p_hwfn)245 static int qed_vf_pf_acquire(struct qed_hwfn *p_hwfn)
246 {
247 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
248 struct pfvf_acquire_resp_tlv *resp = &p_iov->pf2vf_reply->acquire_resp;
249 struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info;
250 struct vf_pf_resc_request *p_resc;
251 u8 retry_cnt = VF_ACQUIRE_THRESH;
252 bool resources_acquired = false;
253 struct vfpf_acquire_tlv *req;
254 int rc = 0, attempts = 0;
255
256 /* clear mailbox and prep first tlv */
257 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_ACQUIRE, sizeof(*req));
258 p_resc = &req->resc_request;
259
260 /* starting filling the request */
261 req->vfdev_info.opaque_fid = p_hwfn->hw_info.opaque_fid;
262
263 p_resc->num_rxqs = QED_MAX_VF_CHAINS_PER_PF;
264 p_resc->num_txqs = QED_MAX_VF_CHAINS_PER_PF;
265 p_resc->num_sbs = QED_MAX_VF_CHAINS_PER_PF;
266 p_resc->num_mac_filters = QED_ETH_VF_NUM_MAC_FILTERS;
267 p_resc->num_vlan_filters = QED_ETH_VF_NUM_VLAN_FILTERS;
268 p_resc->num_cids = QED_ETH_VF_DEFAULT_NUM_CIDS;
269
270 req->vfdev_info.os_type = VFPF_ACQUIRE_OS_LINUX;
271 req->vfdev_info.fw_major = FW_MAJOR_VERSION;
272 req->vfdev_info.fw_minor = FW_MINOR_VERSION;
273 req->vfdev_info.fw_revision = FW_REVISION_VERSION;
274 req->vfdev_info.fw_engineering = FW_ENGINEERING_VERSION;
275 req->vfdev_info.eth_fp_hsi_major = ETH_HSI_VER_MAJOR;
276 req->vfdev_info.eth_fp_hsi_minor = ETH_HSI_VER_MINOR;
277
278 /* Fill capability field with any non-deprecated config we support */
279 req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_100G;
280
281 /* If we've mapped the doorbell bar, try using queue qids */
282 if (p_iov->b_doorbell_bar) {
283 req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_PHYSICAL_BAR |
284 VFPF_ACQUIRE_CAP_QUEUE_QIDS;
285 p_resc->num_cids = QED_ETH_VF_MAX_NUM_CIDS;
286 }
287
288 /* pf 2 vf bulletin board address */
289 req->bulletin_addr = p_iov->bulletin.phys;
290 req->bulletin_size = p_iov->bulletin.size;
291
292 /* add list termination tlv */
293 qed_add_tlv(p_hwfn, &p_iov->offset,
294 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
295
296 while (!resources_acquired) {
297 DP_VERBOSE(p_hwfn,
298 QED_MSG_IOV, "attempting to acquire resources\n");
299
300 /* Clear response buffer, as this might be a re-send */
301 memset(p_iov->pf2vf_reply, 0, sizeof(union pfvf_tlvs));
302
303 /* send acquire request */
304 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
305
306 /* Re-try acquire in case of vf-pf hw channel timeout */
307 if (retry_cnt && rc == -EBUSY) {
308 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
309 "VF retrying to acquire due to VPC timeout\n");
310 retry_cnt--;
311 continue;
312 }
313
314 if (rc)
315 goto exit;
316
317 /* copy acquire response from buffer to p_hwfn */
318 memcpy(&p_iov->acquire_resp, resp, sizeof(p_iov->acquire_resp));
319
320 attempts++;
321
322 if (resp->hdr.status == PFVF_STATUS_SUCCESS) {
323 /* PF agrees to allocate our resources */
324 if (!(resp->pfdev_info.capabilities &
325 PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE)) {
326 /* It's possible legacy PF mistakenly accepted;
327 * but we don't care - simply mark it as
328 * legacy and continue.
329 */
330 req->vfdev_info.capabilities |=
331 VFPF_ACQUIRE_CAP_PRE_FP_HSI;
332 }
333 DP_VERBOSE(p_hwfn, QED_MSG_IOV, "resources acquired\n");
334 resources_acquired = true;
335 } else if (resp->hdr.status == PFVF_STATUS_NO_RESOURCE &&
336 attempts < VF_ACQUIRE_THRESH) {
337 qed_vf_pf_acquire_reduce_resc(p_hwfn, p_resc,
338 &resp->resc);
339 } else if (resp->hdr.status == PFVF_STATUS_NOT_SUPPORTED) {
340 if (pfdev_info->major_fp_hsi &&
341 (pfdev_info->major_fp_hsi != ETH_HSI_VER_MAJOR)) {
342 DP_NOTICE(p_hwfn,
343 "PF uses an incompatible fastpath HSI %02x.%02x [VF requires %02x.%02x]. Please change to a VF driver using %02x.xx.\n",
344 pfdev_info->major_fp_hsi,
345 pfdev_info->minor_fp_hsi,
346 ETH_HSI_VER_MAJOR,
347 ETH_HSI_VER_MINOR,
348 pfdev_info->major_fp_hsi);
349 rc = -EINVAL;
350 goto exit;
351 }
352
353 if (!pfdev_info->major_fp_hsi) {
354 if (req->vfdev_info.capabilities &
355 VFPF_ACQUIRE_CAP_PRE_FP_HSI) {
356 DP_NOTICE(p_hwfn,
357 "PF uses very old drivers. Please change to a VF driver using no later than 8.8.x.x.\n");
358 rc = -EINVAL;
359 goto exit;
360 } else {
361 DP_INFO(p_hwfn,
362 "PF is old - try re-acquire to see if it supports FW-version override\n");
363 req->vfdev_info.capabilities |=
364 VFPF_ACQUIRE_CAP_PRE_FP_HSI;
365 continue;
366 }
367 }
368
369 /* If PF/VF are using same Major, PF must have had
370 * it's reasons. Simply fail.
371 */
372 DP_NOTICE(p_hwfn, "PF rejected acquisition by VF\n");
373 rc = -EINVAL;
374 goto exit;
375 } else {
376 DP_ERR(p_hwfn,
377 "PF returned error %d to VF acquisition request\n",
378 resp->hdr.status);
379 rc = -EAGAIN;
380 goto exit;
381 }
382 }
383
384 /* Mark the PF as legacy, if needed */
385 if (req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_PRE_FP_HSI)
386 p_iov->b_pre_fp_hsi = true;
387
388 /* In case PF doesn't support multi-queue Tx, update the number of
389 * CIDs to reflect the number of queues [older PFs didn't fill that
390 * field].
391 */
392 if (!(resp->pfdev_info.capabilities & PFVF_ACQUIRE_CAP_QUEUE_QIDS))
393 resp->resc.num_cids = resp->resc.num_rxqs + resp->resc.num_txqs;
394
395 /* Update bulletin board size with response from PF */
396 p_iov->bulletin.size = resp->bulletin_size;
397
398 /* get HW info */
399 p_hwfn->cdev->type = resp->pfdev_info.dev_type;
400 p_hwfn->cdev->chip_rev = resp->pfdev_info.chip_rev;
401
402 p_hwfn->cdev->chip_num = pfdev_info->chip_num & 0xffff;
403
404 /* Learn of the possibility of CMT */
405 if (IS_LEAD_HWFN(p_hwfn)) {
406 if (resp->pfdev_info.capabilities & PFVF_ACQUIRE_CAP_100G) {
407 DP_NOTICE(p_hwfn, "100g VF\n");
408 p_hwfn->cdev->num_hwfns = 2;
409 }
410 }
411
412 if (!p_iov->b_pre_fp_hsi &&
413 (resp->pfdev_info.minor_fp_hsi < ETH_HSI_VER_MINOR)) {
414 DP_INFO(p_hwfn,
415 "PF is using older fastpath HSI; %02x.%02x is configured\n",
416 ETH_HSI_VER_MAJOR, resp->pfdev_info.minor_fp_hsi);
417 }
418
419 exit:
420 qed_vf_pf_req_end(p_hwfn, rc);
421
422 return rc;
423 }
424
qed_vf_hw_bar_size(struct qed_hwfn * p_hwfn,enum BAR_ID bar_id)425 u32 qed_vf_hw_bar_size(struct qed_hwfn *p_hwfn, enum BAR_ID bar_id)
426 {
427 u32 bar_size;
428
429 /* Regview size is fixed */
430 if (bar_id == BAR_ID_0)
431 return 1 << 17;
432
433 /* Doorbell is received from PF */
434 bar_size = p_hwfn->vf_iov_info->acquire_resp.pfdev_info.bar_size;
435 if (bar_size)
436 return 1 << bar_size;
437 return 0;
438 }
439
qed_vf_hw_prepare(struct qed_hwfn * p_hwfn)440 int qed_vf_hw_prepare(struct qed_hwfn *p_hwfn)
441 {
442 struct qed_hwfn *p_lead = QED_LEADING_HWFN(p_hwfn->cdev);
443 struct qed_vf_iov *p_iov;
444 u32 reg;
445 int rc;
446
447 /* Set number of hwfns - might be overriden once leading hwfn learns
448 * actual configuration from PF.
449 */
450 if (IS_LEAD_HWFN(p_hwfn))
451 p_hwfn->cdev->num_hwfns = 1;
452
453 reg = PXP_VF_BAR0_ME_OPAQUE_ADDRESS;
454 p_hwfn->hw_info.opaque_fid = (u16)REG_RD(p_hwfn, reg);
455
456 reg = PXP_VF_BAR0_ME_CONCRETE_ADDRESS;
457 p_hwfn->hw_info.concrete_fid = REG_RD(p_hwfn, reg);
458
459 /* Allocate vf sriov info */
460 p_iov = kzalloc(sizeof(*p_iov), GFP_KERNEL);
461 if (!p_iov)
462 return -ENOMEM;
463
464 /* Doorbells are tricky; Upper-layer has alreday set the hwfn doorbell
465 * value, but there are several incompatibily scenarios where that
466 * would be incorrect and we'd need to override it.
467 */
468 if (!p_hwfn->doorbells) {
469 p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview +
470 PXP_VF_BAR0_START_DQ;
471 } else if (p_hwfn == p_lead) {
472 /* For leading hw-function, value is always correct, but need
473 * to handle scenario where legacy PF would not support 100g
474 * mapped bars later.
475 */
476 p_iov->b_doorbell_bar = true;
477 } else {
478 /* here, value would be correct ONLY if the leading hwfn
479 * received indication that mapped-bars are supported.
480 */
481 if (p_lead->vf_iov_info->b_doorbell_bar)
482 p_iov->b_doorbell_bar = true;
483 else
484 p_hwfn->doorbells = (u8 __iomem *)
485 p_hwfn->regview + PXP_VF_BAR0_START_DQ;
486 }
487
488 /* Allocate vf2pf msg */
489 p_iov->vf2pf_request = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
490 sizeof(union vfpf_tlvs),
491 &p_iov->vf2pf_request_phys,
492 GFP_KERNEL);
493 if (!p_iov->vf2pf_request)
494 goto free_p_iov;
495
496 p_iov->pf2vf_reply = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
497 sizeof(union pfvf_tlvs),
498 &p_iov->pf2vf_reply_phys,
499 GFP_KERNEL);
500 if (!p_iov->pf2vf_reply)
501 goto free_vf2pf_request;
502
503 DP_VERBOSE(p_hwfn,
504 QED_MSG_IOV,
505 "VF's Request mailbox [%p virt 0x%llx phys], Response mailbox [%p virt 0x%llx phys]\n",
506 p_iov->vf2pf_request,
507 (u64) p_iov->vf2pf_request_phys,
508 p_iov->pf2vf_reply, (u64)p_iov->pf2vf_reply_phys);
509
510 /* Allocate Bulletin board */
511 p_iov->bulletin.size = sizeof(struct qed_bulletin_content);
512 p_iov->bulletin.p_virt = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
513 p_iov->bulletin.size,
514 &p_iov->bulletin.phys,
515 GFP_KERNEL);
516 if (!p_iov->bulletin.p_virt)
517 goto free_pf2vf_reply;
518
519 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
520 "VF's bulletin Board [%p virt 0x%llx phys 0x%08x bytes]\n",
521 p_iov->bulletin.p_virt,
522 (u64)p_iov->bulletin.phys, p_iov->bulletin.size);
523
524 mutex_init(&p_iov->mutex);
525
526 p_hwfn->vf_iov_info = p_iov;
527
528 p_hwfn->hw_info.personality = QED_PCI_ETH;
529
530 rc = qed_vf_pf_acquire(p_hwfn);
531
532 /* If VF is 100g using a mapped bar and PF is too old to support that,
533 * acquisition would succeed - but the VF would have no way knowing
534 * the size of the doorbell bar configured in HW and thus will not
535 * know how to split it for 2nd hw-function.
536 * In this case we re-try without the indication of the mapped
537 * doorbell.
538 */
539 if (!rc && p_iov->b_doorbell_bar &&
540 !qed_vf_hw_bar_size(p_hwfn, BAR_ID_1) &&
541 (p_hwfn->cdev->num_hwfns > 1)) {
542 rc = _qed_vf_pf_release(p_hwfn, false);
543 if (rc)
544 return rc;
545
546 p_iov->b_doorbell_bar = false;
547 p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview +
548 PXP_VF_BAR0_START_DQ;
549 rc = qed_vf_pf_acquire(p_hwfn);
550 }
551
552 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
553 "Regview [%p], Doorbell [%p], Device-doorbell [%p]\n",
554 p_hwfn->regview, p_hwfn->doorbells, p_hwfn->cdev->doorbells);
555
556 return rc;
557
558 free_pf2vf_reply:
559 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
560 sizeof(union pfvf_tlvs),
561 p_iov->pf2vf_reply, p_iov->pf2vf_reply_phys);
562 free_vf2pf_request:
563 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
564 sizeof(union vfpf_tlvs),
565 p_iov->vf2pf_request, p_iov->vf2pf_request_phys);
566 free_p_iov:
567 kfree(p_iov);
568
569 return -ENOMEM;
570 }
571 #define TSTORM_QZONE_START PXP_VF_BAR0_START_SDM_ZONE_A
572 #define MSTORM_QZONE_START(dev) (TSTORM_QZONE_START + \
573 (TSTORM_QZONE_SIZE * NUM_OF_L2_QUEUES(dev)))
574
575 static void
__qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv * p_req,struct qed_tunn_update_type * p_src,enum qed_tunn_mode mask,u8 * p_cls)576 __qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req,
577 struct qed_tunn_update_type *p_src,
578 enum qed_tunn_mode mask, u8 *p_cls)
579 {
580 if (p_src->b_update_mode) {
581 p_req->tun_mode_update_mask |= BIT(mask);
582
583 if (p_src->b_mode_enabled)
584 p_req->tunn_mode |= BIT(mask);
585 }
586
587 *p_cls = p_src->tun_cls;
588 }
589
590 static void
qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv * p_req,struct qed_tunn_update_type * p_src,enum qed_tunn_mode mask,u8 * p_cls,struct qed_tunn_update_udp_port * p_port,u8 * p_update_port,u16 * p_udp_port)591 qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req,
592 struct qed_tunn_update_type *p_src,
593 enum qed_tunn_mode mask,
594 u8 *p_cls, struct qed_tunn_update_udp_port *p_port,
595 u8 *p_update_port, u16 *p_udp_port)
596 {
597 if (p_port->b_update_port) {
598 *p_update_port = 1;
599 *p_udp_port = p_port->port;
600 }
601
602 __qed_vf_prep_tunn_req_tlv(p_req, p_src, mask, p_cls);
603 }
604
qed_vf_set_vf_start_tunn_update_param(struct qed_tunnel_info * p_tun)605 void qed_vf_set_vf_start_tunn_update_param(struct qed_tunnel_info *p_tun)
606 {
607 if (p_tun->vxlan.b_mode_enabled)
608 p_tun->vxlan.b_update_mode = true;
609 if (p_tun->l2_geneve.b_mode_enabled)
610 p_tun->l2_geneve.b_update_mode = true;
611 if (p_tun->ip_geneve.b_mode_enabled)
612 p_tun->ip_geneve.b_update_mode = true;
613 if (p_tun->l2_gre.b_mode_enabled)
614 p_tun->l2_gre.b_update_mode = true;
615 if (p_tun->ip_gre.b_mode_enabled)
616 p_tun->ip_gre.b_update_mode = true;
617
618 p_tun->b_update_rx_cls = true;
619 p_tun->b_update_tx_cls = true;
620 }
621
622 static void
__qed_vf_update_tunn_param(struct qed_tunn_update_type * p_tun,u16 feature_mask,u8 tunn_mode,u8 tunn_cls,enum qed_tunn_mode val)623 __qed_vf_update_tunn_param(struct qed_tunn_update_type *p_tun,
624 u16 feature_mask, u8 tunn_mode,
625 u8 tunn_cls, enum qed_tunn_mode val)
626 {
627 if (feature_mask & BIT(val)) {
628 p_tun->b_mode_enabled = tunn_mode;
629 p_tun->tun_cls = tunn_cls;
630 } else {
631 p_tun->b_mode_enabled = false;
632 }
633 }
634
qed_vf_update_tunn_param(struct qed_hwfn * p_hwfn,struct qed_tunnel_info * p_tun,struct pfvf_update_tunn_param_tlv * p_resp)635 static void qed_vf_update_tunn_param(struct qed_hwfn *p_hwfn,
636 struct qed_tunnel_info *p_tun,
637 struct pfvf_update_tunn_param_tlv *p_resp)
638 {
639 /* Update mode and classes provided by PF */
640 u16 feat_mask = p_resp->tunn_feature_mask;
641
642 __qed_vf_update_tunn_param(&p_tun->vxlan, feat_mask,
643 p_resp->vxlan_mode, p_resp->vxlan_clss,
644 QED_MODE_VXLAN_TUNN);
645 __qed_vf_update_tunn_param(&p_tun->l2_geneve, feat_mask,
646 p_resp->l2geneve_mode,
647 p_resp->l2geneve_clss,
648 QED_MODE_L2GENEVE_TUNN);
649 __qed_vf_update_tunn_param(&p_tun->ip_geneve, feat_mask,
650 p_resp->ipgeneve_mode,
651 p_resp->ipgeneve_clss,
652 QED_MODE_IPGENEVE_TUNN);
653 __qed_vf_update_tunn_param(&p_tun->l2_gre, feat_mask,
654 p_resp->l2gre_mode, p_resp->l2gre_clss,
655 QED_MODE_L2GRE_TUNN);
656 __qed_vf_update_tunn_param(&p_tun->ip_gre, feat_mask,
657 p_resp->ipgre_mode, p_resp->ipgre_clss,
658 QED_MODE_IPGRE_TUNN);
659 p_tun->geneve_port.port = p_resp->geneve_udp_port;
660 p_tun->vxlan_port.port = p_resp->vxlan_udp_port;
661
662 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
663 "tunn mode: vxlan=0x%x, l2geneve=0x%x, ipgeneve=0x%x, l2gre=0x%x, ipgre=0x%x",
664 p_tun->vxlan.b_mode_enabled, p_tun->l2_geneve.b_mode_enabled,
665 p_tun->ip_geneve.b_mode_enabled,
666 p_tun->l2_gre.b_mode_enabled, p_tun->ip_gre.b_mode_enabled);
667 }
668
qed_vf_pf_tunnel_param_update(struct qed_hwfn * p_hwfn,struct qed_tunnel_info * p_src)669 int qed_vf_pf_tunnel_param_update(struct qed_hwfn *p_hwfn,
670 struct qed_tunnel_info *p_src)
671 {
672 struct qed_tunnel_info *p_tun = &p_hwfn->cdev->tunnel;
673 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
674 struct pfvf_update_tunn_param_tlv *p_resp;
675 struct vfpf_update_tunn_param_tlv *p_req;
676 int rc;
677
678 p_req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UPDATE_TUNN_PARAM,
679 sizeof(*p_req));
680
681 if (p_src->b_update_rx_cls && p_src->b_update_tx_cls)
682 p_req->update_tun_cls = 1;
683
684 qed_vf_prep_tunn_req_tlv(p_req, &p_src->vxlan, QED_MODE_VXLAN_TUNN,
685 &p_req->vxlan_clss, &p_src->vxlan_port,
686 &p_req->update_vxlan_port,
687 &p_req->vxlan_port);
688 qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_geneve,
689 QED_MODE_L2GENEVE_TUNN,
690 &p_req->l2geneve_clss, &p_src->geneve_port,
691 &p_req->update_geneve_port,
692 &p_req->geneve_port);
693 __qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_geneve,
694 QED_MODE_IPGENEVE_TUNN,
695 &p_req->ipgeneve_clss);
696 __qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_gre,
697 QED_MODE_L2GRE_TUNN, &p_req->l2gre_clss);
698 __qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_gre,
699 QED_MODE_IPGRE_TUNN, &p_req->ipgre_clss);
700
701 /* add list termination tlv */
702 qed_add_tlv(p_hwfn, &p_iov->offset,
703 CHANNEL_TLV_LIST_END,
704 sizeof(struct channel_list_end_tlv));
705
706 p_resp = &p_iov->pf2vf_reply->tunn_param_resp;
707 rc = qed_send_msg2pf(p_hwfn, &p_resp->hdr.status, sizeof(*p_resp));
708
709 if (rc)
710 goto exit;
711
712 if (p_resp->hdr.status != PFVF_STATUS_SUCCESS) {
713 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
714 "Failed to update tunnel parameters\n");
715 rc = -EINVAL;
716 }
717
718 qed_vf_update_tunn_param(p_hwfn, p_tun, p_resp);
719 exit:
720 qed_vf_pf_req_end(p_hwfn, rc);
721 return rc;
722 }
723
724 int
qed_vf_pf_rxq_start(struct qed_hwfn * p_hwfn,struct qed_queue_cid * p_cid,u16 bd_max_bytes,dma_addr_t bd_chain_phys_addr,dma_addr_t cqe_pbl_addr,u16 cqe_pbl_size,void __iomem ** pp_prod)725 qed_vf_pf_rxq_start(struct qed_hwfn *p_hwfn,
726 struct qed_queue_cid *p_cid,
727 u16 bd_max_bytes,
728 dma_addr_t bd_chain_phys_addr,
729 dma_addr_t cqe_pbl_addr,
730 u16 cqe_pbl_size, void __iomem **pp_prod)
731 {
732 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
733 struct pfvf_start_queue_resp_tlv *resp;
734 struct vfpf_start_rxq_tlv *req;
735 u8 rx_qid = p_cid->rel.queue_id;
736 int rc;
737
738 /* clear mailbox and prep first tlv */
739 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_RXQ, sizeof(*req));
740
741 req->rx_qid = rx_qid;
742 req->cqe_pbl_addr = cqe_pbl_addr;
743 req->cqe_pbl_size = cqe_pbl_size;
744 req->rxq_addr = bd_chain_phys_addr;
745 req->hw_sb = p_cid->sb_igu_id;
746 req->sb_index = p_cid->sb_idx;
747 req->bd_max_bytes = bd_max_bytes;
748 req->stat_id = -1;
749
750 /* If PF is legacy, we'll need to calculate producers ourselves
751 * as well as clean them.
752 */
753 if (p_iov->b_pre_fp_hsi) {
754 u8 hw_qid = p_iov->acquire_resp.resc.hw_qid[rx_qid];
755 u32 init_prod_val = 0;
756
757 *pp_prod = (u8 __iomem *)
758 p_hwfn->regview +
759 MSTORM_QZONE_START(p_hwfn->cdev) +
760 hw_qid * MSTORM_QZONE_SIZE;
761
762 /* Init the rcq, rx bd and rx sge (if valid) producers to 0 */
763 __internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32),
764 (u32 *)(&init_prod_val));
765 }
766
767 qed_vf_pf_add_qid(p_hwfn, p_cid);
768
769 /* add list termination tlv */
770 qed_add_tlv(p_hwfn, &p_iov->offset,
771 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
772
773 resp = &p_iov->pf2vf_reply->queue_start;
774 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
775 if (rc)
776 goto exit;
777
778 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
779 rc = -EINVAL;
780 goto exit;
781 }
782
783 /* Learn the address of the producer from the response */
784 if (!p_iov->b_pre_fp_hsi) {
785 u32 init_prod_val = 0;
786
787 *pp_prod = (u8 __iomem *)p_hwfn->regview + resp->offset;
788 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
789 "Rxq[0x%02x]: producer at %p [offset 0x%08x]\n",
790 rx_qid, *pp_prod, resp->offset);
791
792 /* Init the rcq, rx bd and rx sge (if valid) producers to 0 */
793 __internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32),
794 (u32 *)&init_prod_val);
795 }
796 exit:
797 qed_vf_pf_req_end(p_hwfn, rc);
798
799 return rc;
800 }
801
qed_vf_pf_rxq_stop(struct qed_hwfn * p_hwfn,struct qed_queue_cid * p_cid,bool cqe_completion)802 int qed_vf_pf_rxq_stop(struct qed_hwfn *p_hwfn,
803 struct qed_queue_cid *p_cid, bool cqe_completion)
804 {
805 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
806 struct vfpf_stop_rxqs_tlv *req;
807 struct pfvf_def_resp_tlv *resp;
808 int rc;
809
810 /* clear mailbox and prep first tlv */
811 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_RXQS, sizeof(*req));
812
813 req->rx_qid = p_cid->rel.queue_id;
814 req->num_rxqs = 1;
815 req->cqe_completion = cqe_completion;
816
817 qed_vf_pf_add_qid(p_hwfn, p_cid);
818
819 /* add list termination tlv */
820 qed_add_tlv(p_hwfn, &p_iov->offset,
821 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
822
823 resp = &p_iov->pf2vf_reply->default_resp;
824 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
825 if (rc)
826 goto exit;
827
828 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
829 rc = -EINVAL;
830 goto exit;
831 }
832
833 exit:
834 qed_vf_pf_req_end(p_hwfn, rc);
835
836 return rc;
837 }
838
839 int
qed_vf_pf_txq_start(struct qed_hwfn * p_hwfn,struct qed_queue_cid * p_cid,dma_addr_t pbl_addr,u16 pbl_size,void __iomem ** pp_doorbell)840 qed_vf_pf_txq_start(struct qed_hwfn *p_hwfn,
841 struct qed_queue_cid *p_cid,
842 dma_addr_t pbl_addr,
843 u16 pbl_size, void __iomem **pp_doorbell)
844 {
845 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
846 struct pfvf_start_queue_resp_tlv *resp;
847 struct vfpf_start_txq_tlv *req;
848 u16 qid = p_cid->rel.queue_id;
849 int rc;
850
851 /* clear mailbox and prep first tlv */
852 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_TXQ, sizeof(*req));
853
854 req->tx_qid = qid;
855
856 /* Tx */
857 req->pbl_addr = pbl_addr;
858 req->pbl_size = pbl_size;
859 req->hw_sb = p_cid->sb_igu_id;
860 req->sb_index = p_cid->sb_idx;
861
862 qed_vf_pf_add_qid(p_hwfn, p_cid);
863
864 /* add list termination tlv */
865 qed_add_tlv(p_hwfn, &p_iov->offset,
866 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
867
868 resp = &p_iov->pf2vf_reply->queue_start;
869 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
870 if (rc)
871 goto exit;
872
873 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
874 rc = -EINVAL;
875 goto exit;
876 }
877
878 /* Modern PFs provide the actual offsets, while legacy
879 * provided only the queue id.
880 */
881 if (!p_iov->b_pre_fp_hsi) {
882 *pp_doorbell = (u8 __iomem *)p_hwfn->doorbells + resp->offset;
883 } else {
884 u8 cid = p_iov->acquire_resp.resc.cid[qid];
885
886 *pp_doorbell = (u8 __iomem *)p_hwfn->doorbells +
887 qed_db_addr_vf(cid,
888 DQ_DEMS_LEGACY);
889 }
890
891 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
892 "Txq[0x%02x.%02x]: doorbell at %p [offset 0x%08x]\n",
893 qid, p_cid->qid_usage_idx, *pp_doorbell, resp->offset);
894 exit:
895 qed_vf_pf_req_end(p_hwfn, rc);
896
897 return rc;
898 }
899
qed_vf_pf_txq_stop(struct qed_hwfn * p_hwfn,struct qed_queue_cid * p_cid)900 int qed_vf_pf_txq_stop(struct qed_hwfn *p_hwfn, struct qed_queue_cid *p_cid)
901 {
902 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
903 struct vfpf_stop_txqs_tlv *req;
904 struct pfvf_def_resp_tlv *resp;
905 int rc;
906
907 /* clear mailbox and prep first tlv */
908 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_TXQS, sizeof(*req));
909
910 req->tx_qid = p_cid->rel.queue_id;
911 req->num_txqs = 1;
912
913 qed_vf_pf_add_qid(p_hwfn, p_cid);
914
915 /* add list termination tlv */
916 qed_add_tlv(p_hwfn, &p_iov->offset,
917 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
918
919 resp = &p_iov->pf2vf_reply->default_resp;
920 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
921 if (rc)
922 goto exit;
923
924 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
925 rc = -EINVAL;
926 goto exit;
927 }
928
929 exit:
930 qed_vf_pf_req_end(p_hwfn, rc);
931
932 return rc;
933 }
934
qed_vf_pf_vport_start(struct qed_hwfn * p_hwfn,u8 vport_id,u16 mtu,u8 inner_vlan_removal,enum qed_tpa_mode tpa_mode,u8 max_buffers_per_cqe,u8 only_untagged)935 int qed_vf_pf_vport_start(struct qed_hwfn *p_hwfn,
936 u8 vport_id,
937 u16 mtu,
938 u8 inner_vlan_removal,
939 enum qed_tpa_mode tpa_mode,
940 u8 max_buffers_per_cqe, u8 only_untagged)
941 {
942 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
943 struct vfpf_vport_start_tlv *req;
944 struct pfvf_def_resp_tlv *resp;
945 int rc, i;
946
947 /* clear mailbox and prep first tlv */
948 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_START, sizeof(*req));
949
950 req->mtu = mtu;
951 req->vport_id = vport_id;
952 req->inner_vlan_removal = inner_vlan_removal;
953 req->tpa_mode = tpa_mode;
954 req->max_buffers_per_cqe = max_buffers_per_cqe;
955 req->only_untagged = only_untagged;
956
957 /* status blocks */
958 for (i = 0; i < p_hwfn->vf_iov_info->acquire_resp.resc.num_sbs; i++) {
959 struct qed_sb_info *p_sb = p_hwfn->vf_iov_info->sbs_info[i];
960
961 if (p_sb)
962 req->sb_addr[i] = p_sb->sb_phys;
963 }
964
965 /* add list termination tlv */
966 qed_add_tlv(p_hwfn, &p_iov->offset,
967 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
968
969 resp = &p_iov->pf2vf_reply->default_resp;
970 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
971 if (rc)
972 goto exit;
973
974 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
975 rc = -EINVAL;
976 goto exit;
977 }
978
979 exit:
980 qed_vf_pf_req_end(p_hwfn, rc);
981
982 return rc;
983 }
984
qed_vf_pf_vport_stop(struct qed_hwfn * p_hwfn)985 int qed_vf_pf_vport_stop(struct qed_hwfn *p_hwfn)
986 {
987 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
988 struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp;
989 int rc;
990
991 /* clear mailbox and prep first tlv */
992 qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_TEARDOWN,
993 sizeof(struct vfpf_first_tlv));
994
995 /* add list termination tlv */
996 qed_add_tlv(p_hwfn, &p_iov->offset,
997 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
998
999 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1000 if (rc)
1001 goto exit;
1002
1003 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1004 rc = -EINVAL;
1005 goto exit;
1006 }
1007
1008 exit:
1009 qed_vf_pf_req_end(p_hwfn, rc);
1010
1011 return rc;
1012 }
1013
1014 static bool
qed_vf_handle_vp_update_is_needed(struct qed_hwfn * p_hwfn,struct qed_sp_vport_update_params * p_data,u16 tlv)1015 qed_vf_handle_vp_update_is_needed(struct qed_hwfn *p_hwfn,
1016 struct qed_sp_vport_update_params *p_data,
1017 u16 tlv)
1018 {
1019 switch (tlv) {
1020 case CHANNEL_TLV_VPORT_UPDATE_ACTIVATE:
1021 return !!(p_data->update_vport_active_rx_flg ||
1022 p_data->update_vport_active_tx_flg);
1023 case CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH:
1024 return !!p_data->update_tx_switching_flg;
1025 case CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP:
1026 return !!p_data->update_inner_vlan_removal_flg;
1027 case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN:
1028 return !!p_data->update_accept_any_vlan_flg;
1029 case CHANNEL_TLV_VPORT_UPDATE_MCAST:
1030 return !!p_data->update_approx_mcast_flg;
1031 case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM:
1032 return !!(p_data->accept_flags.update_rx_mode_config ||
1033 p_data->accept_flags.update_tx_mode_config);
1034 case CHANNEL_TLV_VPORT_UPDATE_RSS:
1035 return !!p_data->rss_params;
1036 case CHANNEL_TLV_VPORT_UPDATE_SGE_TPA:
1037 return !!p_data->sge_tpa_params;
1038 default:
1039 DP_INFO(p_hwfn, "Unexpected vport-update TLV[%d]\n",
1040 tlv);
1041 return false;
1042 }
1043 }
1044
1045 static void
qed_vf_handle_vp_update_tlvs_resp(struct qed_hwfn * p_hwfn,struct qed_sp_vport_update_params * p_data)1046 qed_vf_handle_vp_update_tlvs_resp(struct qed_hwfn *p_hwfn,
1047 struct qed_sp_vport_update_params *p_data)
1048 {
1049 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1050 struct pfvf_def_resp_tlv *p_resp;
1051 u16 tlv;
1052
1053 for (tlv = CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
1054 tlv < CHANNEL_TLV_VPORT_UPDATE_MAX; tlv++) {
1055 if (!qed_vf_handle_vp_update_is_needed(p_hwfn, p_data, tlv))
1056 continue;
1057
1058 p_resp = (struct pfvf_def_resp_tlv *)
1059 qed_iov_search_list_tlvs(p_hwfn, p_iov->pf2vf_reply,
1060 tlv);
1061 if (p_resp && p_resp->hdr.status)
1062 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1063 "TLV[%d] Configuration %s\n",
1064 tlv,
1065 (p_resp && p_resp->hdr.status) ? "succeeded"
1066 : "failed");
1067 }
1068 }
1069
qed_vf_pf_vport_update(struct qed_hwfn * p_hwfn,struct qed_sp_vport_update_params * p_params)1070 int qed_vf_pf_vport_update(struct qed_hwfn *p_hwfn,
1071 struct qed_sp_vport_update_params *p_params)
1072 {
1073 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1074 struct vfpf_vport_update_tlv *req;
1075 struct pfvf_def_resp_tlv *resp;
1076 u8 update_rx, update_tx;
1077 u32 resp_size = 0;
1078 u16 size, tlv;
1079 int rc;
1080
1081 resp = &p_iov->pf2vf_reply->default_resp;
1082 resp_size = sizeof(*resp);
1083
1084 update_rx = p_params->update_vport_active_rx_flg;
1085 update_tx = p_params->update_vport_active_tx_flg;
1086
1087 /* clear mailbox and prep header tlv */
1088 qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_UPDATE, sizeof(*req));
1089
1090 /* Prepare extended tlvs */
1091 if (update_rx || update_tx) {
1092 struct vfpf_vport_update_activate_tlv *p_act_tlv;
1093
1094 size = sizeof(struct vfpf_vport_update_activate_tlv);
1095 p_act_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
1096 CHANNEL_TLV_VPORT_UPDATE_ACTIVATE,
1097 size);
1098 resp_size += sizeof(struct pfvf_def_resp_tlv);
1099
1100 if (update_rx) {
1101 p_act_tlv->update_rx = update_rx;
1102 p_act_tlv->active_rx = p_params->vport_active_rx_flg;
1103 }
1104
1105 if (update_tx) {
1106 p_act_tlv->update_tx = update_tx;
1107 p_act_tlv->active_tx = p_params->vport_active_tx_flg;
1108 }
1109 }
1110
1111 if (p_params->update_tx_switching_flg) {
1112 struct vfpf_vport_update_tx_switch_tlv *p_tx_switch_tlv;
1113
1114 size = sizeof(struct vfpf_vport_update_tx_switch_tlv);
1115 tlv = CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
1116 p_tx_switch_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
1117 tlv, size);
1118 resp_size += sizeof(struct pfvf_def_resp_tlv);
1119
1120 p_tx_switch_tlv->tx_switching = p_params->tx_switching_flg;
1121 }
1122
1123 if (p_params->update_approx_mcast_flg) {
1124 struct vfpf_vport_update_mcast_bin_tlv *p_mcast_tlv;
1125
1126 size = sizeof(struct vfpf_vport_update_mcast_bin_tlv);
1127 p_mcast_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
1128 CHANNEL_TLV_VPORT_UPDATE_MCAST, size);
1129 resp_size += sizeof(struct pfvf_def_resp_tlv);
1130
1131 memcpy(p_mcast_tlv->bins, p_params->bins,
1132 sizeof(u32) * ETH_MULTICAST_MAC_BINS_IN_REGS);
1133 }
1134
1135 update_rx = p_params->accept_flags.update_rx_mode_config;
1136 update_tx = p_params->accept_flags.update_tx_mode_config;
1137
1138 if (update_rx || update_tx) {
1139 struct vfpf_vport_update_accept_param_tlv *p_accept_tlv;
1140
1141 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
1142 size = sizeof(struct vfpf_vport_update_accept_param_tlv);
1143 p_accept_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size);
1144 resp_size += sizeof(struct pfvf_def_resp_tlv);
1145
1146 if (update_rx) {
1147 p_accept_tlv->update_rx_mode = update_rx;
1148 p_accept_tlv->rx_accept_filter =
1149 p_params->accept_flags.rx_accept_filter;
1150 }
1151
1152 if (update_tx) {
1153 p_accept_tlv->update_tx_mode = update_tx;
1154 p_accept_tlv->tx_accept_filter =
1155 p_params->accept_flags.tx_accept_filter;
1156 }
1157 }
1158
1159 if (p_params->rss_params) {
1160 struct qed_rss_params *rss_params = p_params->rss_params;
1161 struct vfpf_vport_update_rss_tlv *p_rss_tlv;
1162 int i, table_size;
1163
1164 size = sizeof(struct vfpf_vport_update_rss_tlv);
1165 p_rss_tlv = qed_add_tlv(p_hwfn,
1166 &p_iov->offset,
1167 CHANNEL_TLV_VPORT_UPDATE_RSS, size);
1168 resp_size += sizeof(struct pfvf_def_resp_tlv);
1169
1170 if (rss_params->update_rss_config)
1171 p_rss_tlv->update_rss_flags |=
1172 VFPF_UPDATE_RSS_CONFIG_FLAG;
1173 if (rss_params->update_rss_capabilities)
1174 p_rss_tlv->update_rss_flags |=
1175 VFPF_UPDATE_RSS_CAPS_FLAG;
1176 if (rss_params->update_rss_ind_table)
1177 p_rss_tlv->update_rss_flags |=
1178 VFPF_UPDATE_RSS_IND_TABLE_FLAG;
1179 if (rss_params->update_rss_key)
1180 p_rss_tlv->update_rss_flags |= VFPF_UPDATE_RSS_KEY_FLAG;
1181
1182 p_rss_tlv->rss_enable = rss_params->rss_enable;
1183 p_rss_tlv->rss_caps = rss_params->rss_caps;
1184 p_rss_tlv->rss_table_size_log = rss_params->rss_table_size_log;
1185
1186 table_size = min_t(int, T_ETH_INDIRECTION_TABLE_SIZE,
1187 1 << p_rss_tlv->rss_table_size_log);
1188 for (i = 0; i < table_size; i++) {
1189 struct qed_queue_cid *p_queue;
1190
1191 p_queue = rss_params->rss_ind_table[i];
1192 p_rss_tlv->rss_ind_table[i] = p_queue->rel.queue_id;
1193 }
1194 memcpy(p_rss_tlv->rss_key, rss_params->rss_key,
1195 sizeof(rss_params->rss_key));
1196 }
1197
1198 if (p_params->update_accept_any_vlan_flg) {
1199 struct vfpf_vport_update_accept_any_vlan_tlv *p_any_vlan_tlv;
1200
1201 size = sizeof(struct vfpf_vport_update_accept_any_vlan_tlv);
1202 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
1203 p_any_vlan_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size);
1204
1205 resp_size += sizeof(struct pfvf_def_resp_tlv);
1206 p_any_vlan_tlv->accept_any_vlan = p_params->accept_any_vlan;
1207 p_any_vlan_tlv->update_accept_any_vlan_flg =
1208 p_params->update_accept_any_vlan_flg;
1209 }
1210
1211 /* add list termination tlv */
1212 qed_add_tlv(p_hwfn, &p_iov->offset,
1213 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1214
1215 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, resp_size);
1216 if (rc)
1217 goto exit;
1218
1219 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1220 rc = -EINVAL;
1221 goto exit;
1222 }
1223
1224 qed_vf_handle_vp_update_tlvs_resp(p_hwfn, p_params);
1225
1226 exit:
1227 qed_vf_pf_req_end(p_hwfn, rc);
1228
1229 return rc;
1230 }
1231
qed_vf_pf_reset(struct qed_hwfn * p_hwfn)1232 int qed_vf_pf_reset(struct qed_hwfn *p_hwfn)
1233 {
1234 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1235 struct pfvf_def_resp_tlv *resp;
1236 struct vfpf_first_tlv *req;
1237 int rc;
1238
1239 /* clear mailbox and prep first tlv */
1240 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_CLOSE, sizeof(*req));
1241
1242 /* add list termination tlv */
1243 qed_add_tlv(p_hwfn, &p_iov->offset,
1244 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1245
1246 resp = &p_iov->pf2vf_reply->default_resp;
1247 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1248 if (rc)
1249 goto exit;
1250
1251 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1252 rc = -EAGAIN;
1253 goto exit;
1254 }
1255
1256 p_hwfn->b_int_enabled = 0;
1257
1258 exit:
1259 qed_vf_pf_req_end(p_hwfn, rc);
1260
1261 return rc;
1262 }
1263
qed_vf_pf_filter_mcast(struct qed_hwfn * p_hwfn,struct qed_filter_mcast * p_filter_cmd)1264 void qed_vf_pf_filter_mcast(struct qed_hwfn *p_hwfn,
1265 struct qed_filter_mcast *p_filter_cmd)
1266 {
1267 struct qed_sp_vport_update_params sp_params;
1268 int i;
1269
1270 memset(&sp_params, 0, sizeof(sp_params));
1271 sp_params.update_approx_mcast_flg = 1;
1272
1273 if (p_filter_cmd->opcode == QED_FILTER_ADD) {
1274 for (i = 0; i < p_filter_cmd->num_mc_addrs; i++) {
1275 u32 bit;
1276
1277 bit = qed_mcast_bin_from_mac(p_filter_cmd->mac[i]);
1278 sp_params.bins[bit / 32] |= 1 << (bit % 32);
1279 }
1280 }
1281
1282 qed_vf_pf_vport_update(p_hwfn, &sp_params);
1283 }
1284
qed_vf_pf_filter_ucast(struct qed_hwfn * p_hwfn,struct qed_filter_ucast * p_ucast)1285 int qed_vf_pf_filter_ucast(struct qed_hwfn *p_hwfn,
1286 struct qed_filter_ucast *p_ucast)
1287 {
1288 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1289 struct vfpf_ucast_filter_tlv *req;
1290 struct pfvf_def_resp_tlv *resp;
1291 int rc;
1292
1293 /* clear mailbox and prep first tlv */
1294 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UCAST_FILTER, sizeof(*req));
1295 req->opcode = (u8) p_ucast->opcode;
1296 req->type = (u8) p_ucast->type;
1297 memcpy(req->mac, p_ucast->mac, ETH_ALEN);
1298 req->vlan = p_ucast->vlan;
1299
1300 /* add list termination tlv */
1301 qed_add_tlv(p_hwfn, &p_iov->offset,
1302 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1303
1304 resp = &p_iov->pf2vf_reply->default_resp;
1305 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1306 if (rc)
1307 goto exit;
1308
1309 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1310 rc = -EAGAIN;
1311 goto exit;
1312 }
1313
1314 exit:
1315 qed_vf_pf_req_end(p_hwfn, rc);
1316
1317 return rc;
1318 }
1319
qed_vf_pf_int_cleanup(struct qed_hwfn * p_hwfn)1320 int qed_vf_pf_int_cleanup(struct qed_hwfn *p_hwfn)
1321 {
1322 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1323 struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp;
1324 int rc;
1325
1326 /* clear mailbox and prep first tlv */
1327 qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_INT_CLEANUP,
1328 sizeof(struct vfpf_first_tlv));
1329
1330 /* add list termination tlv */
1331 qed_add_tlv(p_hwfn, &p_iov->offset,
1332 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1333
1334 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1335 if (rc)
1336 goto exit;
1337
1338 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1339 rc = -EINVAL;
1340 goto exit;
1341 }
1342
1343 exit:
1344 qed_vf_pf_req_end(p_hwfn, rc);
1345
1346 return rc;
1347 }
1348
qed_vf_pf_get_coalesce(struct qed_hwfn * p_hwfn,u16 * p_coal,struct qed_queue_cid * p_cid)1349 int qed_vf_pf_get_coalesce(struct qed_hwfn *p_hwfn,
1350 u16 *p_coal, struct qed_queue_cid *p_cid)
1351 {
1352 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1353 struct pfvf_read_coal_resp_tlv *resp;
1354 struct vfpf_read_coal_req_tlv *req;
1355 int rc;
1356
1357 /* clear mailbox and prep header tlv */
1358 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_COALESCE_READ, sizeof(*req));
1359 req->qid = p_cid->rel.queue_id;
1360 req->is_rx = p_cid->b_is_rx ? 1 : 0;
1361
1362 qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
1363 sizeof(struct channel_list_end_tlv));
1364 resp = &p_iov->pf2vf_reply->read_coal_resp;
1365
1366 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1367 if (rc)
1368 goto exit;
1369
1370 if (resp->hdr.status != PFVF_STATUS_SUCCESS)
1371 goto exit;
1372
1373 *p_coal = resp->coal;
1374 exit:
1375 qed_vf_pf_req_end(p_hwfn, rc);
1376
1377 return rc;
1378 }
1379
1380 int
qed_vf_pf_bulletin_update_mac(struct qed_hwfn * p_hwfn,u8 * p_mac)1381 qed_vf_pf_bulletin_update_mac(struct qed_hwfn *p_hwfn,
1382 u8 *p_mac)
1383 {
1384 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1385 struct vfpf_bulletin_update_mac_tlv *p_req;
1386 struct pfvf_def_resp_tlv *p_resp;
1387 int rc;
1388
1389 if (!p_mac)
1390 return -EINVAL;
1391
1392 /* clear mailbox and prep header tlv */
1393 p_req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_BULLETIN_UPDATE_MAC,
1394 sizeof(*p_req));
1395 ether_addr_copy(p_req->mac, p_mac);
1396 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1397 "Requesting bulletin update for MAC[%pM]\n", p_mac);
1398
1399 /* add list termination tlv */
1400 qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
1401 sizeof(struct channel_list_end_tlv));
1402
1403 p_resp = &p_iov->pf2vf_reply->default_resp;
1404 rc = qed_send_msg2pf(p_hwfn, &p_resp->hdr.status, sizeof(*p_resp));
1405 qed_vf_pf_req_end(p_hwfn, rc);
1406 return rc;
1407 }
1408
1409 int
qed_vf_pf_set_coalesce(struct qed_hwfn * p_hwfn,u16 rx_coal,u16 tx_coal,struct qed_queue_cid * p_cid)1410 qed_vf_pf_set_coalesce(struct qed_hwfn *p_hwfn,
1411 u16 rx_coal, u16 tx_coal, struct qed_queue_cid *p_cid)
1412 {
1413 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1414 struct vfpf_update_coalesce *req;
1415 struct pfvf_def_resp_tlv *resp;
1416 int rc;
1417
1418 /* clear mailbox and prep header tlv */
1419 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_COALESCE_UPDATE, sizeof(*req));
1420
1421 req->rx_coal = rx_coal;
1422 req->tx_coal = tx_coal;
1423 req->qid = p_cid->rel.queue_id;
1424
1425 DP_VERBOSE(p_hwfn,
1426 QED_MSG_IOV,
1427 "Setting coalesce rx_coal = %d, tx_coal = %d at queue = %d\n",
1428 rx_coal, tx_coal, req->qid);
1429
1430 /* add list termination tlv */
1431 qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
1432 sizeof(struct channel_list_end_tlv));
1433
1434 resp = &p_iov->pf2vf_reply->default_resp;
1435 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1436 if (rc)
1437 goto exit;
1438
1439 if (resp->hdr.status != PFVF_STATUS_SUCCESS)
1440 goto exit;
1441
1442 if (rx_coal)
1443 p_hwfn->cdev->rx_coalesce_usecs = rx_coal;
1444
1445 if (tx_coal)
1446 p_hwfn->cdev->tx_coalesce_usecs = tx_coal;
1447
1448 exit:
1449 qed_vf_pf_req_end(p_hwfn, rc);
1450 return rc;
1451 }
1452
qed_vf_get_igu_sb_id(struct qed_hwfn * p_hwfn,u16 sb_id)1453 u16 qed_vf_get_igu_sb_id(struct qed_hwfn *p_hwfn, u16 sb_id)
1454 {
1455 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1456
1457 if (!p_iov) {
1458 DP_NOTICE(p_hwfn, "vf_sriov_info isn't initialized\n");
1459 return 0;
1460 }
1461
1462 return p_iov->acquire_resp.resc.hw_sbs[sb_id].hw_sb_id;
1463 }
1464
qed_vf_set_sb_info(struct qed_hwfn * p_hwfn,u16 sb_id,struct qed_sb_info * p_sb)1465 void qed_vf_set_sb_info(struct qed_hwfn *p_hwfn,
1466 u16 sb_id, struct qed_sb_info *p_sb)
1467 {
1468 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1469
1470 if (!p_iov) {
1471 DP_NOTICE(p_hwfn, "vf_sriov_info isn't initialized\n");
1472 return;
1473 }
1474
1475 if (sb_id >= PFVF_MAX_SBS_PER_VF) {
1476 DP_NOTICE(p_hwfn, "Can't configure SB %04x\n", sb_id);
1477 return;
1478 }
1479
1480 p_iov->sbs_info[sb_id] = p_sb;
1481 }
1482
qed_vf_read_bulletin(struct qed_hwfn * p_hwfn,u8 * p_change)1483 int qed_vf_read_bulletin(struct qed_hwfn *p_hwfn, u8 *p_change)
1484 {
1485 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1486 struct qed_bulletin_content shadow;
1487 u32 crc, crc_size;
1488
1489 crc_size = sizeof(p_iov->bulletin.p_virt->crc);
1490 *p_change = 0;
1491
1492 /* Need to guarantee PF is not in the middle of writing it */
1493 memcpy(&shadow, p_iov->bulletin.p_virt, p_iov->bulletin.size);
1494
1495 /* If version did not update, no need to do anything */
1496 if (shadow.version == p_iov->bulletin_shadow.version)
1497 return 0;
1498
1499 /* Verify the bulletin we see is valid */
1500 crc = crc32(0, (u8 *)&shadow + crc_size,
1501 p_iov->bulletin.size - crc_size);
1502 if (crc != shadow.crc)
1503 return -EAGAIN;
1504
1505 /* Set the shadow bulletin and process it */
1506 memcpy(&p_iov->bulletin_shadow, &shadow, p_iov->bulletin.size);
1507
1508 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1509 "Read a bulletin update %08x\n", shadow.version);
1510
1511 *p_change = 1;
1512
1513 return 0;
1514 }
1515
__qed_vf_get_link_params(struct qed_hwfn * p_hwfn,struct qed_mcp_link_params * p_params,struct qed_bulletin_content * p_bulletin)1516 void __qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
1517 struct qed_mcp_link_params *p_params,
1518 struct qed_bulletin_content *p_bulletin)
1519 {
1520 memset(p_params, 0, sizeof(*p_params));
1521
1522 p_params->speed.autoneg = p_bulletin->req_autoneg;
1523 p_params->speed.advertised_speeds = p_bulletin->req_adv_speed;
1524 p_params->speed.forced_speed = p_bulletin->req_forced_speed;
1525 p_params->pause.autoneg = p_bulletin->req_autoneg_pause;
1526 p_params->pause.forced_rx = p_bulletin->req_forced_rx;
1527 p_params->pause.forced_tx = p_bulletin->req_forced_tx;
1528 p_params->loopback_mode = p_bulletin->req_loopback;
1529 }
1530
qed_vf_get_link_params(struct qed_hwfn * p_hwfn,struct qed_mcp_link_params * params)1531 void qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
1532 struct qed_mcp_link_params *params)
1533 {
1534 __qed_vf_get_link_params(p_hwfn, params,
1535 &(p_hwfn->vf_iov_info->bulletin_shadow));
1536 }
1537
__qed_vf_get_link_state(struct qed_hwfn * p_hwfn,struct qed_mcp_link_state * p_link,struct qed_bulletin_content * p_bulletin)1538 void __qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
1539 struct qed_mcp_link_state *p_link,
1540 struct qed_bulletin_content *p_bulletin)
1541 {
1542 memset(p_link, 0, sizeof(*p_link));
1543
1544 p_link->link_up = p_bulletin->link_up;
1545 p_link->speed = p_bulletin->speed;
1546 p_link->full_duplex = p_bulletin->full_duplex;
1547 p_link->an = p_bulletin->autoneg;
1548 p_link->an_complete = p_bulletin->autoneg_complete;
1549 p_link->parallel_detection = p_bulletin->parallel_detection;
1550 p_link->pfc_enabled = p_bulletin->pfc_enabled;
1551 p_link->partner_adv_speed = p_bulletin->partner_adv_speed;
1552 p_link->partner_tx_flow_ctrl_en = p_bulletin->partner_tx_flow_ctrl_en;
1553 p_link->partner_rx_flow_ctrl_en = p_bulletin->partner_rx_flow_ctrl_en;
1554 p_link->partner_adv_pause = p_bulletin->partner_adv_pause;
1555 p_link->sfp_tx_fault = p_bulletin->sfp_tx_fault;
1556 }
1557
qed_vf_get_link_state(struct qed_hwfn * p_hwfn,struct qed_mcp_link_state * link)1558 void qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
1559 struct qed_mcp_link_state *link)
1560 {
1561 __qed_vf_get_link_state(p_hwfn, link,
1562 &(p_hwfn->vf_iov_info->bulletin_shadow));
1563 }
1564
__qed_vf_get_link_caps(struct qed_hwfn * p_hwfn,struct qed_mcp_link_capabilities * p_link_caps,struct qed_bulletin_content * p_bulletin)1565 void __qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
1566 struct qed_mcp_link_capabilities *p_link_caps,
1567 struct qed_bulletin_content *p_bulletin)
1568 {
1569 memset(p_link_caps, 0, sizeof(*p_link_caps));
1570 p_link_caps->speed_capabilities = p_bulletin->capability_speed;
1571 }
1572
qed_vf_get_link_caps(struct qed_hwfn * p_hwfn,struct qed_mcp_link_capabilities * p_link_caps)1573 void qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
1574 struct qed_mcp_link_capabilities *p_link_caps)
1575 {
1576 __qed_vf_get_link_caps(p_hwfn, p_link_caps,
1577 &(p_hwfn->vf_iov_info->bulletin_shadow));
1578 }
1579
qed_vf_get_num_rxqs(struct qed_hwfn * p_hwfn,u8 * num_rxqs)1580 void qed_vf_get_num_rxqs(struct qed_hwfn *p_hwfn, u8 *num_rxqs)
1581 {
1582 *num_rxqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_rxqs;
1583 }
1584
qed_vf_get_num_txqs(struct qed_hwfn * p_hwfn,u8 * num_txqs)1585 void qed_vf_get_num_txqs(struct qed_hwfn *p_hwfn, u8 *num_txqs)
1586 {
1587 *num_txqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_txqs;
1588 }
1589
qed_vf_get_num_cids(struct qed_hwfn * p_hwfn,u8 * num_cids)1590 void qed_vf_get_num_cids(struct qed_hwfn *p_hwfn, u8 *num_cids)
1591 {
1592 *num_cids = p_hwfn->vf_iov_info->acquire_resp.resc.num_cids;
1593 }
1594
qed_vf_get_port_mac(struct qed_hwfn * p_hwfn,u8 * port_mac)1595 void qed_vf_get_port_mac(struct qed_hwfn *p_hwfn, u8 *port_mac)
1596 {
1597 memcpy(port_mac,
1598 p_hwfn->vf_iov_info->acquire_resp.pfdev_info.port_mac, ETH_ALEN);
1599 }
1600
qed_vf_get_num_vlan_filters(struct qed_hwfn * p_hwfn,u8 * num_vlan_filters)1601 void qed_vf_get_num_vlan_filters(struct qed_hwfn *p_hwfn, u8 *num_vlan_filters)
1602 {
1603 struct qed_vf_iov *p_vf;
1604
1605 p_vf = p_hwfn->vf_iov_info;
1606 *num_vlan_filters = p_vf->acquire_resp.resc.num_vlan_filters;
1607 }
1608
qed_vf_get_num_mac_filters(struct qed_hwfn * p_hwfn,u8 * num_mac_filters)1609 void qed_vf_get_num_mac_filters(struct qed_hwfn *p_hwfn, u8 *num_mac_filters)
1610 {
1611 struct qed_vf_iov *p_vf = p_hwfn->vf_iov_info;
1612
1613 *num_mac_filters = p_vf->acquire_resp.resc.num_mac_filters;
1614 }
1615
qed_vf_check_mac(struct qed_hwfn * p_hwfn,u8 * mac)1616 bool qed_vf_check_mac(struct qed_hwfn *p_hwfn, u8 *mac)
1617 {
1618 struct qed_bulletin_content *bulletin;
1619
1620 bulletin = &p_hwfn->vf_iov_info->bulletin_shadow;
1621 if (!(bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)))
1622 return true;
1623
1624 /* Forbid VF from changing a MAC enforced by PF */
1625 if (ether_addr_equal(bulletin->mac, mac))
1626 return false;
1627
1628 return false;
1629 }
1630
qed_vf_bulletin_get_forced_mac(struct qed_hwfn * hwfn,u8 * dst_mac,u8 * p_is_forced)1631 static bool qed_vf_bulletin_get_forced_mac(struct qed_hwfn *hwfn,
1632 u8 *dst_mac, u8 *p_is_forced)
1633 {
1634 struct qed_bulletin_content *bulletin;
1635
1636 bulletin = &hwfn->vf_iov_info->bulletin_shadow;
1637
1638 if (bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)) {
1639 if (p_is_forced)
1640 *p_is_forced = 1;
1641 } else if (bulletin->valid_bitmap & (1 << VFPF_BULLETIN_MAC_ADDR)) {
1642 if (p_is_forced)
1643 *p_is_forced = 0;
1644 } else {
1645 return false;
1646 }
1647
1648 ether_addr_copy(dst_mac, bulletin->mac);
1649
1650 return true;
1651 }
1652
1653 static void
qed_vf_bulletin_get_udp_ports(struct qed_hwfn * p_hwfn,u16 * p_vxlan_port,u16 * p_geneve_port)1654 qed_vf_bulletin_get_udp_ports(struct qed_hwfn *p_hwfn,
1655 u16 *p_vxlan_port, u16 *p_geneve_port)
1656 {
1657 struct qed_bulletin_content *p_bulletin;
1658
1659 p_bulletin = &p_hwfn->vf_iov_info->bulletin_shadow;
1660
1661 *p_vxlan_port = p_bulletin->vxlan_udp_port;
1662 *p_geneve_port = p_bulletin->geneve_udp_port;
1663 }
1664
qed_vf_get_fw_version(struct qed_hwfn * p_hwfn,u16 * fw_major,u16 * fw_minor,u16 * fw_rev,u16 * fw_eng)1665 void qed_vf_get_fw_version(struct qed_hwfn *p_hwfn,
1666 u16 *fw_major, u16 *fw_minor,
1667 u16 *fw_rev, u16 *fw_eng)
1668 {
1669 struct pf_vf_pfdev_info *info;
1670
1671 info = &p_hwfn->vf_iov_info->acquire_resp.pfdev_info;
1672
1673 *fw_major = info->fw_major;
1674 *fw_minor = info->fw_minor;
1675 *fw_rev = info->fw_rev;
1676 *fw_eng = info->fw_eng;
1677 }
1678
qed_handle_bulletin_change(struct qed_hwfn * hwfn)1679 static void qed_handle_bulletin_change(struct qed_hwfn *hwfn)
1680 {
1681 struct qed_eth_cb_ops *ops = hwfn->cdev->protocol_ops.eth;
1682 u8 mac[ETH_ALEN], is_mac_exist, is_mac_forced;
1683 void *cookie = hwfn->cdev->ops_cookie;
1684 u16 vxlan_port, geneve_port;
1685
1686 qed_vf_bulletin_get_udp_ports(hwfn, &vxlan_port, &geneve_port);
1687 is_mac_exist = qed_vf_bulletin_get_forced_mac(hwfn, mac,
1688 &is_mac_forced);
1689 if (is_mac_exist && cookie)
1690 ops->force_mac(cookie, mac, !!is_mac_forced);
1691
1692 ops->ports_update(cookie, vxlan_port, geneve_port);
1693
1694 /* Always update link configuration according to bulletin */
1695 qed_link_update(hwfn, NULL);
1696 }
1697
qed_iov_vf_task(struct work_struct * work)1698 void qed_iov_vf_task(struct work_struct *work)
1699 {
1700 struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn,
1701 iov_task.work);
1702 u8 change = 0;
1703
1704 if (test_and_clear_bit(QED_IOV_WQ_STOP_WQ_FLAG, &hwfn->iov_task_flags))
1705 return;
1706
1707 /* Handle bulletin board changes */
1708 qed_vf_read_bulletin(hwfn, &change);
1709 if (test_and_clear_bit(QED_IOV_WQ_VF_FORCE_LINK_QUERY_FLAG,
1710 &hwfn->iov_task_flags))
1711 change = 1;
1712 if (change)
1713 qed_handle_bulletin_change(hwfn);
1714
1715 /* As VF is polling bulletin board, need to constantly re-schedule */
1716 queue_delayed_work(hwfn->iov_wq, &hwfn->iov_task, HZ);
1717 }
1718