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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
[linux-2.6/btrfs-unstable.git] / drivers / net / ethernet / broadcom / bnx2x / bnx2x_vfpf.c
blob1b1ad31b455331aca34d0abfa85eba33f477ba0f
1 /* bnx2x_vfpf.c: Broadcom Everest network driver.
2 *
3 * Copyright 2009-2013 Broadcom Corporation
4 *
5 * Unless you and Broadcom execute a separate written software license
6 * agreement governing use of this software, this software is licensed to you
7 * under the terms of the GNU General Public License version 2, available
8 * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
9 *
10 * Notwithstanding the above, under no circumstances may you combine this
11 * software in any way with any other Broadcom software provided under a
12 * license other than the GPL, without Broadcom's express prior written
13 * consent.
14 *
15 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
16 * Written by: Shmulik Ravid <shmulikr@broadcom.com>
17 * Ariel Elior <ariele@broadcom.com>
18 */
19
20 #include "bnx2x.h"
21 #include "bnx2x_cmn.h"
22 #include <linux/crc32.h>
23
24 /* place a given tlv on the tlv buffer at a given offset */
25 void bnx2x_add_tlv(struct bnx2x *bp, void *tlvs_list, u16 offset, u16 type,
26 u16 length)
27 {
28 struct channel_tlv *tl =
29 (struct channel_tlv *)(tlvs_list + offset);
30
31 tl->type = type;
32 tl->length = length;
33 }
34
35 /* Clear the mailbox and init the header of the first tlv */
36 void bnx2x_vfpf_prep(struct bnx2x *bp, struct vfpf_first_tlv *first_tlv,
37 u16 type, u16 length)
38 {
39 mutex_lock(&bp->vf2pf_mutex);
40
41 DP(BNX2X_MSG_IOV, "preparing to send %d tlv over vf pf channel\n",
42 type);
43
44 /* Clear mailbox */
45 memset(bp->vf2pf_mbox, 0, sizeof(struct bnx2x_vf_mbx_msg));
46
47 /* init type and length */
48 bnx2x_add_tlv(bp, &first_tlv->tl, 0, type, length);
49
50 /* init first tlv header */
51 first_tlv->resp_msg_offset = sizeof(bp->vf2pf_mbox->req);
52 }
53
54 /* releases the mailbox */
55 void bnx2x_vfpf_finalize(struct bnx2x *bp, struct vfpf_first_tlv *first_tlv)
56 {
57 DP(BNX2X_MSG_IOV, "done sending [%d] tlv over vf pf channel\n",
58 first_tlv->tl.type);
59
60 mutex_unlock(&bp->vf2pf_mutex);
61 }
62
63 /* Finds a TLV by type in a TLV buffer; If found, returns pointer to the TLV */
64 static void *bnx2x_search_tlv_list(struct bnx2x *bp, void *tlvs_list,
65 enum channel_tlvs req_tlv)
66 {
67 struct channel_tlv *tlv = (struct channel_tlv *)tlvs_list;
68
69 do {
70 if (tlv->type == req_tlv)
71 return tlv;
72
73 if (!tlv->length) {
74 BNX2X_ERR("Found TLV with length 0\n");
75 return NULL;
76 }
77
78 tlvs_list += tlv->length;
79 tlv = (struct channel_tlv *)tlvs_list;
80 } while (tlv->type != CHANNEL_TLV_LIST_END);
81
82 DP(BNX2X_MSG_IOV, "TLV list does not contain %d TLV\n", req_tlv);
83
84 return NULL;
85 }
86
87 /* list the types and lengths of the tlvs on the buffer */
88 void bnx2x_dp_tlv_list(struct bnx2x *bp, void *tlvs_list)
89 {
90 int i = 1;
91 struct channel_tlv *tlv = (struct channel_tlv *)tlvs_list;
92
93 while (tlv->type != CHANNEL_TLV_LIST_END) {
94 /* output tlv */
95 DP(BNX2X_MSG_IOV, "TLV number %d: type %d, length %d\n", i,
96 tlv->type, tlv->length);
97
98 /* advance to next tlv */
99 tlvs_list += tlv->length;
100
101 /* cast general tlv list pointer to channel tlv header*/
102 tlv = (struct channel_tlv *)tlvs_list;
103
104 i++;
105
106 /* break condition for this loop */
107 if (i > MAX_TLVS_IN_LIST) {
108 WARN(true, "corrupt tlvs");
109 return;
110 }
111 }
112
113 /* output last tlv */
114 DP(BNX2X_MSG_IOV, "TLV number %d: type %d, length %d\n", i,
115 tlv->type, tlv->length);
116 }
117
118 /* test whether we support a tlv type */
119 bool bnx2x_tlv_supported(u16 tlvtype)
120 {
121 return CHANNEL_TLV_NONE < tlvtype && tlvtype < CHANNEL_TLV_MAX;
122 }
123
124 static inline int bnx2x_pfvf_status_codes(int rc)
125 {
126 switch (rc) {
127 case 0:
128 return PFVF_STATUS_SUCCESS;
129 case -ENOMEM:
130 return PFVF_STATUS_NO_RESOURCE;
131 default:
132 return PFVF_STATUS_FAILURE;
133 }
134 }
135
136 static int bnx2x_send_msg2pf(struct bnx2x *bp, u8 *done, dma_addr_t msg_mapping)
137 {
138 struct cstorm_vf_zone_data __iomem *zone_data =
139 REG_ADDR(bp, PXP_VF_ADDR_CSDM_GLOBAL_START);
140 int tout = 100, interval = 100; /* wait for 10 seconds */
141
142 if (*done) {
143 BNX2X_ERR("done was non zero before message to pf was sent\n");
144 WARN_ON(true);
145 return -EINVAL;
146 }
147
148 /* if PF indicated channel is down avoid sending message. Return success
149 * so calling flow can continue
150 */
151 bnx2x_sample_bulletin(bp);
152 if (bp->old_bulletin.valid_bitmap & 1 << CHANNEL_DOWN) {
153 DP(BNX2X_MSG_IOV, "detecting channel down. Aborting message\n");
154 *done = PFVF_STATUS_SUCCESS;
155 return -EINVAL;
156 }
157
158 /* Write message address */
159 writel(U64_LO(msg_mapping),
160 &zone_data->non_trigger.vf_pf_channel.msg_addr_lo);
161 writel(U64_HI(msg_mapping),
162 &zone_data->non_trigger.vf_pf_channel.msg_addr_hi);
163
164 /* make sure the address is written before FW accesses it */
165 wmb();
166
167 /* Trigger the PF FW */
168 writeb(1, &zone_data->trigger.vf_pf_channel.addr_valid);
169
170 /* Wait for PF to complete */
171 while ((tout >= 0) && (!*done)) {
172 msleep(interval);
173 tout -= 1;
174
175 /* progress indicator - HV can take its own sweet time in
176 * answering VFs...
177 */
178 DP_CONT(BNX2X_MSG_IOV, ".");
179 }
180
181 if (!*done) {
182 BNX2X_ERR("PF response has timed out\n");
183 return -EAGAIN;
184 }
185 DP(BNX2X_MSG_SP, "Got a response from PF\n");
186 return 0;
187 }
188
189 static int bnx2x_get_vf_id(struct bnx2x *bp, u32 *vf_id)
190 {
191 u32 me_reg;
192 int tout = 10, interval = 100; /* Wait for 1 sec */
193
194 do {
195 /* pxp traps vf read of doorbells and returns me reg value */
196 me_reg = readl(bp->doorbells);
197 if (GOOD_ME_REG(me_reg))
198 break;
199
200 msleep(interval);
201
202 BNX2X_ERR("Invalid ME register value: 0x%08x\n. Is pf driver up?",
203 me_reg);
204 } while (tout-- > 0);
205
206 if (!GOOD_ME_REG(me_reg)) {
207 BNX2X_ERR("Invalid ME register value: 0x%08x\n", me_reg);
208 return -EINVAL;
209 }
210
211 DP(BNX2X_MSG_IOV, "valid ME register value: 0x%08x\n", me_reg);
212
213 *vf_id = (me_reg & ME_REG_VF_NUM_MASK) >> ME_REG_VF_NUM_SHIFT;
214
215 return 0;
216 }
217
218 int bnx2x_vfpf_acquire(struct bnx2x *bp, u8 tx_count, u8 rx_count)
219 {
220 int rc = 0, attempts = 0;
221 struct vfpf_acquire_tlv *req = &bp->vf2pf_mbox->req.acquire;
222 struct pfvf_acquire_resp_tlv *resp = &bp->vf2pf_mbox->resp.acquire_resp;
223 struct vfpf_port_phys_id_resp_tlv *phys_port_resp;
224 u32 vf_id;
225 bool resources_acquired = false;
226
227 /* clear mailbox and prep first tlv */
228 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_ACQUIRE, sizeof(*req));
229
230 if (bnx2x_get_vf_id(bp, &vf_id)) {
231 rc = -EAGAIN;
232 goto out;
233 }
234
235 req->vfdev_info.vf_id = vf_id;
236 req->vfdev_info.vf_os = 0;
237
238 req->resc_request.num_rxqs = rx_count;
239 req->resc_request.num_txqs = tx_count;
240 req->resc_request.num_sbs = bp->igu_sb_cnt;
241 req->resc_request.num_mac_filters = VF_ACQUIRE_MAC_FILTERS;
242 req->resc_request.num_mc_filters = VF_ACQUIRE_MC_FILTERS;
243
244 /* pf 2 vf bulletin board address */
245 req->bulletin_addr = bp->pf2vf_bulletin_mapping;
246
247 /* Request physical port identifier */
248 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length,
249 CHANNEL_TLV_PHYS_PORT_ID, sizeof(struct channel_tlv));
250
251 /* add list termination tlv */
252 bnx2x_add_tlv(bp, req,
253 req->first_tlv.tl.length + sizeof(struct channel_tlv),
254 CHANNEL_TLV_LIST_END,
255 sizeof(struct channel_list_end_tlv));
256
257 /* output tlvs list */
258 bnx2x_dp_tlv_list(bp, req);
259
260 while (!resources_acquired) {
261 DP(BNX2X_MSG_SP, "attempting to acquire resources\n");
262
263 /* send acquire request */
264 rc = bnx2x_send_msg2pf(bp,
265 &resp->hdr.status,
266 bp->vf2pf_mbox_mapping);
267
268 /* PF timeout */
269 if (rc)
270 goto out;
271
272 /* copy acquire response from buffer to bp */
273 memcpy(&bp->acquire_resp, resp, sizeof(bp->acquire_resp));
274
275 attempts++;
276
277 /* test whether the PF accepted our request. If not, humble
278 * the request and try again.
279 */
280 if (bp->acquire_resp.hdr.status == PFVF_STATUS_SUCCESS) {
281 DP(BNX2X_MSG_SP, "resources acquired\n");
282 resources_acquired = true;
283 } else if (bp->acquire_resp.hdr.status ==
284 PFVF_STATUS_NO_RESOURCE &&
285 attempts < VF_ACQUIRE_THRESH) {
286 DP(BNX2X_MSG_SP,
287 "PF unwilling to fulfill resource request. Try PF recommended amount\n");
288
289 /* humble our request */
290 req->resc_request.num_txqs =
291 min(req->resc_request.num_txqs,
292 bp->acquire_resp.resc.num_txqs);
293 req->resc_request.num_rxqs =
294 min(req->resc_request.num_rxqs,
295 bp->acquire_resp.resc.num_rxqs);
296 req->resc_request.num_sbs =
297 min(req->resc_request.num_sbs,
298 bp->acquire_resp.resc.num_sbs);
299 req->resc_request.num_mac_filters =
300 min(req->resc_request.num_mac_filters,
301 bp->acquire_resp.resc.num_mac_filters);
302 req->resc_request.num_vlan_filters =
303 min(req->resc_request.num_vlan_filters,
304 bp->acquire_resp.resc.num_vlan_filters);
305 req->resc_request.num_mc_filters =
306 min(req->resc_request.num_mc_filters,
307 bp->acquire_resp.resc.num_mc_filters);
308
309 /* Clear response buffer */
310 memset(&bp->vf2pf_mbox->resp, 0,
311 sizeof(union pfvf_tlvs));
312 } else {
313 /* PF reports error */
314 BNX2X_ERR("Failed to get the requested amount of resources: %d. Breaking...\n",
315 bp->acquire_resp.hdr.status);
316 rc = -EAGAIN;
317 goto out;
318 }
319 }
320
321 /* Retrieve physical port id (if possible) */
322 phys_port_resp = (struct vfpf_port_phys_id_resp_tlv *)
323 bnx2x_search_tlv_list(bp, resp,
324 CHANNEL_TLV_PHYS_PORT_ID);
325 if (phys_port_resp) {
326 memcpy(bp->phys_port_id, phys_port_resp->id, ETH_ALEN);
327 bp->flags |= HAS_PHYS_PORT_ID;
328 }
329
330 /* get HW info */
331 bp->common.chip_id |= (bp->acquire_resp.pfdev_info.chip_num & 0xffff);
332 bp->link_params.chip_id = bp->common.chip_id;
333 bp->db_size = bp->acquire_resp.pfdev_info.db_size;
334 bp->common.int_block = INT_BLOCK_IGU;
335 bp->common.chip_port_mode = CHIP_2_PORT_MODE;
336 bp->igu_dsb_id = -1;
337 bp->mf_ov = 0;
338 bp->mf_mode = 0;
339 bp->common.flash_size = 0;
340 bp->flags |=
341 NO_WOL_FLAG | NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG | NO_FCOE_FLAG;
342 bp->igu_sb_cnt = bp->acquire_resp.resc.num_sbs;
343 bp->igu_base_sb = bp->acquire_resp.resc.hw_sbs[0].hw_sb_id;
344 strlcpy(bp->fw_ver, bp->acquire_resp.pfdev_info.fw_ver,
345 sizeof(bp->fw_ver));
346
347 if (is_valid_ether_addr(bp->acquire_resp.resc.current_mac_addr))
348 memcpy(bp->dev->dev_addr,
349 bp->acquire_resp.resc.current_mac_addr,
350 ETH_ALEN);
351
352 out:
353 bnx2x_vfpf_finalize(bp, &req->first_tlv);
354 return rc;
355 }
356
357 int bnx2x_vfpf_release(struct bnx2x *bp)
358 {
359 struct vfpf_release_tlv *req = &bp->vf2pf_mbox->req.release;
360 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
361 u32 rc, vf_id;
362
363 /* clear mailbox and prep first tlv */
364 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_RELEASE, sizeof(*req));
365
366 if (bnx2x_get_vf_id(bp, &vf_id)) {
367 rc = -EAGAIN;
368 goto out;
369 }
370
371 req->vf_id = vf_id;
372
373 /* add list termination tlv */
374 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
375 sizeof(struct channel_list_end_tlv));
376
377 /* output tlvs list */
378 bnx2x_dp_tlv_list(bp, req);
379
380 /* send release request */
381 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
382
383 if (rc)
384 /* PF timeout */
385 goto out;
386
387 if (resp->hdr.status == PFVF_STATUS_SUCCESS) {
388 /* PF released us */
389 DP(BNX2X_MSG_SP, "vf released\n");
390 } else {
391 /* PF reports error */
392 BNX2X_ERR("PF failed our release request - are we out of sync? Response status: %d\n",
393 resp->hdr.status);
394 rc = -EAGAIN;
395 goto out;
396 }
397 out:
398 bnx2x_vfpf_finalize(bp, &req->first_tlv);
399
400 return rc;
401 }
402
403 /* Tell PF about SB addresses */
404 int bnx2x_vfpf_init(struct bnx2x *bp)
405 {
406 struct vfpf_init_tlv *req = &bp->vf2pf_mbox->req.init;
407 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
408 int rc, i;
409
410 /* clear mailbox and prep first tlv */
411 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_INIT, sizeof(*req));
412
413 /* status blocks */
414 for_each_eth_queue(bp, i)
415 req->sb_addr[i] = (dma_addr_t)bnx2x_fp(bp, i,
416 status_blk_mapping);
417
418 /* statistics - requests only supports single queue for now */
419 req->stats_addr = bp->fw_stats_data_mapping +
420 offsetof(struct bnx2x_fw_stats_data, queue_stats);
421
422 req->stats_stride = sizeof(struct per_queue_stats);
423
424 /* add list termination tlv */
425 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
426 sizeof(struct channel_list_end_tlv));
427
428 /* output tlvs list */
429 bnx2x_dp_tlv_list(bp, req);
430
431 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
432 if (rc)
433 goto out;
434
435 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
436 BNX2X_ERR("INIT VF failed: %d. Breaking...\n",
437 resp->hdr.status);
438 rc = -EAGAIN;
439 goto out;
440 }
441
442 DP(BNX2X_MSG_SP, "INIT VF Succeeded\n");
443 out:
444 bnx2x_vfpf_finalize(bp, &req->first_tlv);
445
446 return rc;
447 }
448
449 /* CLOSE VF - opposite to INIT_VF */
450 void bnx2x_vfpf_close_vf(struct bnx2x *bp)
451 {
452 struct vfpf_close_tlv *req = &bp->vf2pf_mbox->req.close;
453 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
454 int i, rc;
455 u32 vf_id;
456
457 /* If we haven't got a valid VF id, there is no sense to
458 * continue with sending messages
459 */
460 if (bnx2x_get_vf_id(bp, &vf_id))
461 goto free_irq;
462
463 /* Close the queues */
464 for_each_queue(bp, i)
465 bnx2x_vfpf_teardown_queue(bp, i);
466
467 /* remove mac */
468 bnx2x_vfpf_config_mac(bp, bp->dev->dev_addr, bp->fp->index, false);
469
470 /* clear mailbox and prep first tlv */
471 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_CLOSE, sizeof(*req));
472
473 req->vf_id = vf_id;
474
475 /* add list termination tlv */
476 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
477 sizeof(struct channel_list_end_tlv));
478
479 /* output tlvs list */
480 bnx2x_dp_tlv_list(bp, req);
481
482 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
483
484 if (rc)
485 BNX2X_ERR("Sending CLOSE failed. rc was: %d\n", rc);
486
487 else if (resp->hdr.status != PFVF_STATUS_SUCCESS)
488 BNX2X_ERR("Sending CLOSE failed: pf response was %d\n",
489 resp->hdr.status);
490
491 bnx2x_vfpf_finalize(bp, &req->first_tlv);
492
493 free_irq:
494 /* Disable HW interrupts, NAPI */
495 bnx2x_netif_stop(bp, 0);
496 /* Delete all NAPI objects */
497 bnx2x_del_all_napi(bp);
498
499 /* Release IRQs */
500 bnx2x_free_irq(bp);
501 }
502
503 static void bnx2x_leading_vfq_init(struct bnx2x *bp, struct bnx2x_virtf *vf,
504 struct bnx2x_vf_queue *q)
505 {
506 u8 cl_id = vfq_cl_id(vf, q);
507 u8 func_id = FW_VF_HANDLE(vf->abs_vfid);
508
509 /* mac */
510 bnx2x_init_mac_obj(bp, &q->mac_obj,
511 cl_id, q->cid, func_id,
512 bnx2x_vf_sp(bp, vf, mac_rdata),
513 bnx2x_vf_sp_map(bp, vf, mac_rdata),
514 BNX2X_FILTER_MAC_PENDING,
515 &vf->filter_state,
516 BNX2X_OBJ_TYPE_RX_TX,
517 &bp->macs_pool);
518 /* vlan */
519 bnx2x_init_vlan_obj(bp, &q->vlan_obj,
520 cl_id, q->cid, func_id,
521 bnx2x_vf_sp(bp, vf, vlan_rdata),
522 bnx2x_vf_sp_map(bp, vf, vlan_rdata),
523 BNX2X_FILTER_VLAN_PENDING,
524 &vf->filter_state,
525 BNX2X_OBJ_TYPE_RX_TX,
526 &bp->vlans_pool);
527
528 /* mcast */
529 bnx2x_init_mcast_obj(bp, &vf->mcast_obj, cl_id,
530 q->cid, func_id, func_id,
531 bnx2x_vf_sp(bp, vf, mcast_rdata),
532 bnx2x_vf_sp_map(bp, vf, mcast_rdata),
533 BNX2X_FILTER_MCAST_PENDING,
534 &vf->filter_state,
535 BNX2X_OBJ_TYPE_RX_TX);
536
537 /* rss */
538 bnx2x_init_rss_config_obj(bp, &vf->rss_conf_obj, cl_id, q->cid,
539 func_id, func_id,
540 bnx2x_vf_sp(bp, vf, rss_rdata),
541 bnx2x_vf_sp_map(bp, vf, rss_rdata),
542 BNX2X_FILTER_RSS_CONF_PENDING,
543 &vf->filter_state,
544 BNX2X_OBJ_TYPE_RX_TX);
545
546 vf->leading_rss = cl_id;
547 q->is_leading = true;
548 }
549
550 /* ask the pf to open a queue for the vf */
551 int bnx2x_vfpf_setup_q(struct bnx2x *bp, struct bnx2x_fastpath *fp,
552 bool is_leading)
553 {
554 struct vfpf_setup_q_tlv *req = &bp->vf2pf_mbox->req.setup_q;
555 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
556 u8 fp_idx = fp->index;
557 u16 tpa_agg_size = 0, flags = 0;
558 int rc;
559
560 /* clear mailbox and prep first tlv */
561 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SETUP_Q, sizeof(*req));
562
563 /* select tpa mode to request */
564 if (!fp->disable_tpa) {
565 flags |= VFPF_QUEUE_FLG_TPA;
566 flags |= VFPF_QUEUE_FLG_TPA_IPV6;
567 if (fp->mode == TPA_MODE_GRO)
568 flags |= VFPF_QUEUE_FLG_TPA_GRO;
569 tpa_agg_size = TPA_AGG_SIZE;
570 }
571
572 if (is_leading)
573 flags |= VFPF_QUEUE_FLG_LEADING_RSS;
574
575 /* calculate queue flags */
576 flags |= VFPF_QUEUE_FLG_STATS;
577 flags |= VFPF_QUEUE_FLG_CACHE_ALIGN;
578 flags |= VFPF_QUEUE_FLG_VLAN;
579 DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
580
581 /* Common */
582 req->vf_qid = fp_idx;
583 req->param_valid = VFPF_RXQ_VALID | VFPF_TXQ_VALID;
584
585 /* Rx */
586 req->rxq.rcq_addr = fp->rx_comp_mapping;
587 req->rxq.rcq_np_addr = fp->rx_comp_mapping + BCM_PAGE_SIZE;
588 req->rxq.rxq_addr = fp->rx_desc_mapping;
589 req->rxq.sge_addr = fp->rx_sge_mapping;
590 req->rxq.vf_sb = fp_idx;
591 req->rxq.sb_index = HC_INDEX_ETH_RX_CQ_CONS;
592 req->rxq.hc_rate = bp->rx_ticks ? 1000000/bp->rx_ticks : 0;
593 req->rxq.mtu = bp->dev->mtu;
594 req->rxq.buf_sz = fp->rx_buf_size;
595 req->rxq.sge_buf_sz = BCM_PAGE_SIZE * PAGES_PER_SGE;
596 req->rxq.tpa_agg_sz = tpa_agg_size;
597 req->rxq.max_sge_pkt = SGE_PAGE_ALIGN(bp->dev->mtu) >> SGE_PAGE_SHIFT;
598 req->rxq.max_sge_pkt = ((req->rxq.max_sge_pkt + PAGES_PER_SGE - 1) &
599 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;
600 req->rxq.flags = flags;
601 req->rxq.drop_flags = 0;
602 req->rxq.cache_line_log = BNX2X_RX_ALIGN_SHIFT;
603 req->rxq.stat_id = -1; /* No stats at the moment */
604
605 /* Tx */
606 req->txq.txq_addr = fp->txdata_ptr[FIRST_TX_COS_INDEX]->tx_desc_mapping;
607 req->txq.vf_sb = fp_idx;
608 req->txq.sb_index = HC_INDEX_ETH_TX_CQ_CONS_COS0;
609 req->txq.hc_rate = bp->tx_ticks ? 1000000/bp->tx_ticks : 0;
610 req->txq.flags = flags;
611 req->txq.traffic_type = LLFC_TRAFFIC_TYPE_NW;
612
613 /* add list termination tlv */
614 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
615 sizeof(struct channel_list_end_tlv));
616
617 /* output tlvs list */
618 bnx2x_dp_tlv_list(bp, req);
619
620 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
621 if (rc)
622 BNX2X_ERR("Sending SETUP_Q message for queue[%d] failed!\n",
623 fp_idx);
624
625 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
626 BNX2X_ERR("Status of SETUP_Q for queue[%d] is %d\n",
627 fp_idx, resp->hdr.status);
628 rc = -EINVAL;
629 }
630
631 bnx2x_vfpf_finalize(bp, &req->first_tlv);
632
633 return rc;
634 }
635
636 int bnx2x_vfpf_teardown_queue(struct bnx2x *bp, int qidx)
637 {
638 struct vfpf_q_op_tlv *req = &bp->vf2pf_mbox->req.q_op;
639 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
640 int rc;
641
642 /* clear mailbox and prep first tlv */
643 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_TEARDOWN_Q,
644 sizeof(*req));
645
646 req->vf_qid = qidx;
647
648 /* add list termination tlv */
649 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
650 sizeof(struct channel_list_end_tlv));
651
652 /* output tlvs list */
653 bnx2x_dp_tlv_list(bp, req);
654
655 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
656
657 if (rc) {
658 BNX2X_ERR("Sending TEARDOWN for queue %d failed: %d\n", qidx,
659 rc);
660 goto out;
661 }
662
663 /* PF failed the transaction */
664 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
665 BNX2X_ERR("TEARDOWN for queue %d failed: %d\n", qidx,
666 resp->hdr.status);
667 rc = -EINVAL;
668 }
669
670 out:
671 bnx2x_vfpf_finalize(bp, &req->first_tlv);
672 return rc;
673 }
674
675 /* request pf to add a mac for the vf */
676 int bnx2x_vfpf_config_mac(struct bnx2x *bp, u8 *addr, u8 vf_qid, bool set)
677 {
678 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters;
679 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
680 struct pf_vf_bulletin_content bulletin = bp->pf2vf_bulletin->content;
681 int rc = 0;
682
683 /* clear mailbox and prep first tlv */
684 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS,
685 sizeof(*req));
686
687 req->flags = VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED;
688 req->vf_qid = vf_qid;
689 req->n_mac_vlan_filters = 1;
690
691 req->filters[0].flags = VFPF_Q_FILTER_DEST_MAC_VALID;
692 if (set)
693 req->filters[0].flags |= VFPF_Q_FILTER_SET_MAC;
694
695 /* sample bulletin board for new mac */
696 bnx2x_sample_bulletin(bp);
697
698 /* copy mac from device to request */
699 memcpy(req->filters[0].mac, addr, ETH_ALEN);
700
701 /* add list termination tlv */
702 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
703 sizeof(struct channel_list_end_tlv));
704
705 /* output tlvs list */
706 bnx2x_dp_tlv_list(bp, req);
707
708 /* send message to pf */
709 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
710 if (rc) {
711 BNX2X_ERR("failed to send message to pf. rc was %d\n", rc);
712 goto out;
713 }
714
715 /* failure may mean PF was configured with a new mac for us */
716 while (resp->hdr.status == PFVF_STATUS_FAILURE) {
717 DP(BNX2X_MSG_IOV,
718 "vfpf SET MAC failed. Check bulletin board for new posts\n");
719
720 /* copy mac from bulletin to device */
721 memcpy(bp->dev->dev_addr, bulletin.mac, ETH_ALEN);
722
723 /* check if bulletin board was updated */
724 if (bnx2x_sample_bulletin(bp) == PFVF_BULLETIN_UPDATED) {
725 /* copy mac from device to request */
726 memcpy(req->filters[0].mac, bp->dev->dev_addr,
727 ETH_ALEN);
728
729 /* send message to pf */
730 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status,
731 bp->vf2pf_mbox_mapping);
732 } else {
733 /* no new info in bulletin */
734 break;
735 }
736 }
737
738 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
739 BNX2X_ERR("vfpf SET MAC failed: %d\n", resp->hdr.status);
740 rc = -EINVAL;
741 }
742 out:
743 bnx2x_vfpf_finalize(bp, &req->first_tlv);
744
745 return 0;
746 }
747
748 /* request pf to config rss table for vf queues*/
749 int bnx2x_vfpf_config_rss(struct bnx2x *bp,
750 struct bnx2x_config_rss_params *params)
751 {
752 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
753 struct vfpf_rss_tlv *req = &bp->vf2pf_mbox->req.update_rss;
754 int rc = 0;
755
756 /* clear mailbox and prep first tlv */
757 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_UPDATE_RSS,
758 sizeof(*req));
759
760 /* add list termination tlv */
761 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
762 sizeof(struct channel_list_end_tlv));
763
764 memcpy(req->ind_table, params->ind_table, T_ETH_INDIRECTION_TABLE_SIZE);
765 memcpy(req->rss_key, params->rss_key, sizeof(params->rss_key));
766 req->ind_table_size = T_ETH_INDIRECTION_TABLE_SIZE;
767 req->rss_key_size = T_ETH_RSS_KEY;
768 req->rss_result_mask = params->rss_result_mask;
769
770 /* flags handled individually for backward/forward compatability */
771 if (params->rss_flags & (1 << BNX2X_RSS_MODE_DISABLED))
772 req->rss_flags |= VFPF_RSS_MODE_DISABLED;
773 if (params->rss_flags & (1 << BNX2X_RSS_MODE_REGULAR))
774 req->rss_flags |= VFPF_RSS_MODE_REGULAR;
775 if (params->rss_flags & (1 << BNX2X_RSS_SET_SRCH))
776 req->rss_flags |= VFPF_RSS_SET_SRCH;
777 if (params->rss_flags & (1 << BNX2X_RSS_IPV4))
778 req->rss_flags |= VFPF_RSS_IPV4;
779 if (params->rss_flags & (1 << BNX2X_RSS_IPV4_TCP))
780 req->rss_flags |= VFPF_RSS_IPV4_TCP;
781 if (params->rss_flags & (1 << BNX2X_RSS_IPV4_UDP))
782 req->rss_flags |= VFPF_RSS_IPV4_UDP;
783 if (params->rss_flags & (1 << BNX2X_RSS_IPV6))
784 req->rss_flags |= VFPF_RSS_IPV6;
785 if (params->rss_flags & (1 << BNX2X_RSS_IPV6_TCP))
786 req->rss_flags |= VFPF_RSS_IPV6_TCP;
787 if (params->rss_flags & (1 << BNX2X_RSS_IPV6_UDP))
788 req->rss_flags |= VFPF_RSS_IPV6_UDP;
789
790 DP(BNX2X_MSG_IOV, "rss flags %x\n", req->rss_flags);
791
792 /* output tlvs list */
793 bnx2x_dp_tlv_list(bp, req);
794
795 /* send message to pf */
796 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
797 if (rc) {
798 BNX2X_ERR("failed to send message to pf. rc was %d\n", rc);
799 goto out;
800 }
801
802 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
803 /* Since older drivers don't support this feature (and VF has
804 * no way of knowing other than failing this), don't propagate
805 * an error in this case.
806 */
807 DP(BNX2X_MSG_IOV,
808 "Failed to send rss message to PF over VF-PF channel [%d]\n",
809 resp->hdr.status);
810 }
811 out:
812 bnx2x_vfpf_finalize(bp, &req->first_tlv);
813
814 return rc;
815 }
816
817 int bnx2x_vfpf_set_mcast(struct net_device *dev)
818 {
819 struct bnx2x *bp = netdev_priv(dev);
820 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters;
821 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
822 int rc, i = 0;
823 struct netdev_hw_addr *ha;
824
825 if (bp->state != BNX2X_STATE_OPEN) {
826 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
827 return -EINVAL;
828 }
829
830 /* clear mailbox and prep first tlv */
831 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS,
832 sizeof(*req));
833
834 /* Get Rx mode requested */
835 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
836
837 netdev_for_each_mc_addr(ha, dev) {
838 DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n",
839 bnx2x_mc_addr(ha));
840 memcpy(req->multicast[i], bnx2x_mc_addr(ha), ETH_ALEN);
841 i++;
842 }
843
844 /* We support four PFVF_MAX_MULTICAST_PER_VF mcast
845 * addresses tops
846 */
847 if (i >= PFVF_MAX_MULTICAST_PER_VF) {
848 DP(NETIF_MSG_IFUP,
849 "VF supports not more than %d multicast MAC addresses\n",
850 PFVF_MAX_MULTICAST_PER_VF);
851 return -EINVAL;
852 }
853
854 req->n_multicast = i;
855 req->flags |= VFPF_SET_Q_FILTERS_MULTICAST_CHANGED;
856 req->vf_qid = 0;
857
858 /* add list termination tlv */
859 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
860 sizeof(struct channel_list_end_tlv));
861
862 /* output tlvs list */
863 bnx2x_dp_tlv_list(bp, req);
864 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
865 if (rc) {
866 BNX2X_ERR("Sending a message failed: %d\n", rc);
867 goto out;
868 }
869
870 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
871 BNX2X_ERR("Set Rx mode/multicast failed: %d\n",
872 resp->hdr.status);
873 rc = -EINVAL;
874 }
875 out:
876 bnx2x_vfpf_finalize(bp, &req->first_tlv);
877
878 return 0;
879 }
880
881 int bnx2x_vfpf_storm_rx_mode(struct bnx2x *bp)
882 {
883 int mode = bp->rx_mode;
884 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters;
885 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
886 int rc;
887
888 /* clear mailbox and prep first tlv */
889 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS,
890 sizeof(*req));
891
892 DP(NETIF_MSG_IFUP, "Rx mode is %d\n", mode);
893
894 switch (mode) {
895 case BNX2X_RX_MODE_NONE: /* no Rx */
896 req->rx_mask = VFPF_RX_MASK_ACCEPT_NONE;
897 break;
898 case BNX2X_RX_MODE_NORMAL:
899 req->rx_mask = VFPF_RX_MASK_ACCEPT_MATCHED_MULTICAST;
900 req->rx_mask |= VFPF_RX_MASK_ACCEPT_MATCHED_UNICAST;
901 req->rx_mask |= VFPF_RX_MASK_ACCEPT_BROADCAST;
902 break;
903 case BNX2X_RX_MODE_ALLMULTI:
904 req->rx_mask = VFPF_RX_MASK_ACCEPT_ALL_MULTICAST;
905 req->rx_mask |= VFPF_RX_MASK_ACCEPT_MATCHED_UNICAST;
906 req->rx_mask |= VFPF_RX_MASK_ACCEPT_BROADCAST;
907 break;
908 case BNX2X_RX_MODE_PROMISC:
909 req->rx_mask = VFPF_RX_MASK_ACCEPT_ALL_UNICAST;
910 req->rx_mask |= VFPF_RX_MASK_ACCEPT_ALL_MULTICAST;
911 req->rx_mask |= VFPF_RX_MASK_ACCEPT_BROADCAST;
912 break;
913 default:
914 BNX2X_ERR("BAD rx mode (%d)\n", mode);
915 rc = -EINVAL;
916 goto out;
917 }
918
919 req->flags |= VFPF_SET_Q_FILTERS_RX_MASK_CHANGED;
920 req->vf_qid = 0;
921
922 /* add list termination tlv */
923 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
924 sizeof(struct channel_list_end_tlv));
925
926 /* output tlvs list */
927 bnx2x_dp_tlv_list(bp, req);
928
929 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
930 if (rc)
931 BNX2X_ERR("Sending a message failed: %d\n", rc);
932
933 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
934 BNX2X_ERR("Set Rx mode failed: %d\n", resp->hdr.status);
935 rc = -EINVAL;
936 }
937 out:
938 bnx2x_vfpf_finalize(bp, &req->first_tlv);
939
940 return rc;
941 }
942
943 /* General service functions */
944 static void storm_memset_vf_mbx_ack(struct bnx2x *bp, u16 abs_fid)
945 {
946 u32 addr = BAR_CSTRORM_INTMEM +
947 CSTORM_VF_PF_CHANNEL_STATE_OFFSET(abs_fid);
948
949 REG_WR8(bp, addr, VF_PF_CHANNEL_STATE_READY);
950 }
951
952 static void storm_memset_vf_mbx_valid(struct bnx2x *bp, u16 abs_fid)
953 {
954 u32 addr = BAR_CSTRORM_INTMEM +
955 CSTORM_VF_PF_CHANNEL_VALID_OFFSET(abs_fid);
956
957 REG_WR8(bp, addr, 1);
958 }
959
960 static inline void bnx2x_set_vf_mbxs_valid(struct bnx2x *bp)
961 {
962 int i;
963
964 for_each_vf(bp, i)
965 storm_memset_vf_mbx_valid(bp, bnx2x_vf(bp, i, abs_vfid));
966 }
967
968 /* enable vf_pf mailbox (aka vf-pf-channel) */
969 void bnx2x_vf_enable_mbx(struct bnx2x *bp, u8 abs_vfid)
970 {
971 bnx2x_vf_flr_clnup_epilog(bp, abs_vfid);
972
973 /* enable the mailbox in the FW */
974 storm_memset_vf_mbx_ack(bp, abs_vfid);
975 storm_memset_vf_mbx_valid(bp, abs_vfid);
976
977 /* enable the VF access to the mailbox */
978 bnx2x_vf_enable_access(bp, abs_vfid);
979 }
980
981 /* this works only on !E1h */
982 static int bnx2x_copy32_vf_dmae(struct bnx2x *bp, u8 from_vf,
983 dma_addr_t pf_addr, u8 vfid, u32 vf_addr_hi,
984 u32 vf_addr_lo, u32 len32)
985 {
986 struct dmae_command dmae;
987
988 if (CHIP_IS_E1x(bp)) {
989 BNX2X_ERR("Chip revision does not support VFs\n");
990 return DMAE_NOT_RDY;
991 }
992
993 if (!bp->dmae_ready) {
994 BNX2X_ERR("DMAE is not ready, can not copy\n");
995 return DMAE_NOT_RDY;
996 }
997
998 /* set opcode and fixed command fields */
999 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_PCI);
1000
1001 if (from_vf) {
1002 dmae.opcode_iov = (vfid << DMAE_COMMAND_SRC_VFID_SHIFT) |
1003 (DMAE_SRC_VF << DMAE_COMMAND_SRC_VFPF_SHIFT) |
1004 (DMAE_DST_PF << DMAE_COMMAND_DST_VFPF_SHIFT);
1005
1006 dmae.opcode |= (DMAE_C_DST << DMAE_COMMAND_C_FUNC_SHIFT);
1007
1008 dmae.src_addr_lo = vf_addr_lo;
1009 dmae.src_addr_hi = vf_addr_hi;
1010 dmae.dst_addr_lo = U64_LO(pf_addr);
1011 dmae.dst_addr_hi = U64_HI(pf_addr);
1012 } else {
1013 dmae.opcode_iov = (vfid << DMAE_COMMAND_DST_VFID_SHIFT) |
1014 (DMAE_DST_VF << DMAE_COMMAND_DST_VFPF_SHIFT) |
1015 (DMAE_SRC_PF << DMAE_COMMAND_SRC_VFPF_SHIFT);
1016
1017 dmae.opcode |= (DMAE_C_SRC << DMAE_COMMAND_C_FUNC_SHIFT);
1018
1019 dmae.src_addr_lo = U64_LO(pf_addr);
1020 dmae.src_addr_hi = U64_HI(pf_addr);
1021 dmae.dst_addr_lo = vf_addr_lo;
1022 dmae.dst_addr_hi = vf_addr_hi;
1023 }
1024 dmae.len = len32;
1025
1026 /* issue the command and wait for completion */
1027 return bnx2x_issue_dmae_with_comp(bp, &dmae, bnx2x_sp(bp, wb_comp));
1028 }
1029
1030 static void bnx2x_vf_mbx_resp_single_tlv(struct bnx2x *bp,
1031 struct bnx2x_virtf *vf)
1032 {
1033 struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf->index);
1034 u16 length, type;
1035
1036 /* prepare response */
1037 type = mbx->first_tlv.tl.type;
1038 length = type == CHANNEL_TLV_ACQUIRE ?
1039 sizeof(struct pfvf_acquire_resp_tlv) :
1040 sizeof(struct pfvf_general_resp_tlv);
1041 bnx2x_add_tlv(bp, &mbx->msg->resp, 0, type, length);
1042 bnx2x_add_tlv(bp, &mbx->msg->resp, length, CHANNEL_TLV_LIST_END,
1043 sizeof(struct channel_list_end_tlv));
1044 }
1045
1046 static void bnx2x_vf_mbx_resp_send_msg(struct bnx2x *bp,
1047 struct bnx2x_virtf *vf)
1048 {
1049 struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf->index);
1050 struct pfvf_general_resp_tlv *resp = &mbx->msg->resp.general_resp;
1051 dma_addr_t pf_addr;
1052 u64 vf_addr;
1053 int rc;
1054
1055 bnx2x_dp_tlv_list(bp, resp);
1056 DP(BNX2X_MSG_IOV, "mailbox vf address hi 0x%x, lo 0x%x, offset 0x%x\n",
1057 mbx->vf_addr_hi, mbx->vf_addr_lo, mbx->first_tlv.resp_msg_offset);
1058
1059 resp->hdr.status = bnx2x_pfvf_status_codes(vf->op_rc);
1060
1061 /* send response */
1062 vf_addr = HILO_U64(mbx->vf_addr_hi, mbx->vf_addr_lo) +
1063 mbx->first_tlv.resp_msg_offset;
1064 pf_addr = mbx->msg_mapping +
1065 offsetof(struct bnx2x_vf_mbx_msg, resp);
1066
1067 /* Copy the response buffer. The first u64 is written afterwards, as
1068 * the vf is sensitive to the header being written
1069 */
1070 vf_addr += sizeof(u64);
1071 pf_addr += sizeof(u64);
1072 rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, vf->abs_vfid,
1073 U64_HI(vf_addr),
1074 U64_LO(vf_addr),
1075 (sizeof(union pfvf_tlvs) - sizeof(u64))/4);
1076 if (rc) {
1077 BNX2X_ERR("Failed to copy response body to VF %d\n",
1078 vf->abs_vfid);
1079 goto mbx_error;
1080 }
1081 vf_addr -= sizeof(u64);
1082 pf_addr -= sizeof(u64);
1083
1084 /* ack the FW */
1085 storm_memset_vf_mbx_ack(bp, vf->abs_vfid);
1086 mmiowb();
1087
1088 /* initiate dmae to send the response */
1089 mbx->flags &= ~VF_MSG_INPROCESS;
1090
1091 /* copy the response header including status-done field,
1092 * must be last dmae, must be after FW is acked
1093 */
1094 rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, vf->abs_vfid,
1095 U64_HI(vf_addr),
1096 U64_LO(vf_addr),
1097 sizeof(u64)/4);
1098
1099 /* unlock channel mutex */
1100 bnx2x_unlock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type);
1101
1102 if (rc) {
1103 BNX2X_ERR("Failed to copy response status to VF %d\n",
1104 vf->abs_vfid);
1105 goto mbx_error;
1106 }
1107 return;
1108
1109 mbx_error:
1110 bnx2x_vf_release(bp, vf, false); /* non blocking */
1111 }
1112
1113 static void bnx2x_vf_mbx_resp(struct bnx2x *bp,
1114 struct bnx2x_virtf *vf)
1115 {
1116 bnx2x_vf_mbx_resp_single_tlv(bp, vf);
1117 bnx2x_vf_mbx_resp_send_msg(bp, vf);
1118 }
1119
1120 static void bnx2x_vf_mbx_resp_phys_port(struct bnx2x *bp,
1121 struct bnx2x_virtf *vf,
1122 void *buffer,
1123 u16 *offset)
1124 {
1125 struct vfpf_port_phys_id_resp_tlv *port_id;
1126
1127 if (!(bp->flags & HAS_PHYS_PORT_ID))
1128 return;
1129
1130 bnx2x_add_tlv(bp, buffer, *offset, CHANNEL_TLV_PHYS_PORT_ID,
1131 sizeof(struct vfpf_port_phys_id_resp_tlv));
1132
1133 port_id = (struct vfpf_port_phys_id_resp_tlv *)
1134 (((u8 *)buffer) + *offset);
1135 memcpy(port_id->id, bp->phys_port_id, ETH_ALEN);
1136
1137 /* Offset should continue representing the offset to the tail
1138 * of TLV data (outside this function scope)
1139 */
1140 *offset += sizeof(struct vfpf_port_phys_id_resp_tlv);
1141 }
1142
1143 static void bnx2x_vf_mbx_acquire_resp(struct bnx2x *bp, struct bnx2x_virtf *vf,
1144 struct bnx2x_vf_mbx *mbx, int vfop_status)
1145 {
1146 int i;
1147 struct pfvf_acquire_resp_tlv *resp = &mbx->msg->resp.acquire_resp;
1148 struct pf_vf_resc *resc = &resp->resc;
1149 u8 status = bnx2x_pfvf_status_codes(vfop_status);
1150 u16 length;
1151
1152 memset(resp, 0, sizeof(*resp));
1153
1154 /* fill in pfdev info */
1155 resp->pfdev_info.chip_num = bp->common.chip_id;
1156 resp->pfdev_info.db_size = bp->db_size;
1157 resp->pfdev_info.indices_per_sb = HC_SB_MAX_INDICES_E2;
1158 resp->pfdev_info.pf_cap = (PFVF_CAP_RSS |
1159 /* PFVF_CAP_DHC |*/ PFVF_CAP_TPA);
1160 bnx2x_fill_fw_str(bp, resp->pfdev_info.fw_ver,
1161 sizeof(resp->pfdev_info.fw_ver));
1162
1163 if (status == PFVF_STATUS_NO_RESOURCE ||
1164 status == PFVF_STATUS_SUCCESS) {
1165 /* set resources numbers, if status equals NO_RESOURCE these
1166 * are max possible numbers
1167 */
1168 resc->num_rxqs = vf_rxq_count(vf) ? :
1169 bnx2x_vf_max_queue_cnt(bp, vf);
1170 resc->num_txqs = vf_txq_count(vf) ? :
1171 bnx2x_vf_max_queue_cnt(bp, vf);
1172 resc->num_sbs = vf_sb_count(vf);
1173 resc->num_mac_filters = vf_mac_rules_cnt(vf);
1174 resc->num_vlan_filters = vf_vlan_rules_cnt(vf);
1175 resc->num_mc_filters = 0;
1176
1177 if (status == PFVF_STATUS_SUCCESS) {
1178 /* fill in the allocated resources */
1179 struct pf_vf_bulletin_content *bulletin =
1180 BP_VF_BULLETIN(bp, vf->index);
1181
1182 for_each_vfq(vf, i)
1183 resc->hw_qid[i] =
1184 vfq_qzone_id(vf, vfq_get(vf, i));
1185
1186 for_each_vf_sb(vf, i) {
1187 resc->hw_sbs[i].hw_sb_id = vf_igu_sb(vf, i);
1188 resc->hw_sbs[i].sb_qid = vf_hc_qzone(vf, i);
1189 }
1190
1191 /* if a mac has been set for this vf, supply it */
1192 if (bulletin->valid_bitmap & 1 << MAC_ADDR_VALID) {
1193 memcpy(resc->current_mac_addr, bulletin->mac,
1194 ETH_ALEN);
1195 }
1196 }
1197 }
1198
1199 DP(BNX2X_MSG_IOV, "VF[%d] ACQUIRE_RESPONSE: pfdev_info- chip_num=0x%x, db_size=%d, idx_per_sb=%d, pf_cap=0x%x\n"
1200 "resources- n_rxq-%d, n_txq-%d, n_sbs-%d, n_macs-%d, n_vlans-%d, n_mcs-%d, fw_ver: '%s'\n",
1201 vf->abs_vfid,
1202 resp->pfdev_info.chip_num,
1203 resp->pfdev_info.db_size,
1204 resp->pfdev_info.indices_per_sb,
1205 resp->pfdev_info.pf_cap,
1206 resc->num_rxqs,
1207 resc->num_txqs,
1208 resc->num_sbs,
1209 resc->num_mac_filters,
1210 resc->num_vlan_filters,
1211 resc->num_mc_filters,
1212 resp->pfdev_info.fw_ver);
1213
1214 DP_CONT(BNX2X_MSG_IOV, "hw_qids- [ ");
1215 for (i = 0; i < vf_rxq_count(vf); i++)
1216 DP_CONT(BNX2X_MSG_IOV, "%d ", resc->hw_qid[i]);
1217 DP_CONT(BNX2X_MSG_IOV, "], sb_info- [ ");
1218 for (i = 0; i < vf_sb_count(vf); i++)
1219 DP_CONT(BNX2X_MSG_IOV, "%d:%d ",
1220 resc->hw_sbs[i].hw_sb_id,
1221 resc->hw_sbs[i].sb_qid);
1222 DP_CONT(BNX2X_MSG_IOV, "]\n");
1223
1224 /* prepare response */
1225 length = sizeof(struct pfvf_acquire_resp_tlv);
1226 bnx2x_add_tlv(bp, &mbx->msg->resp, 0, CHANNEL_TLV_ACQUIRE, length);
1227
1228 /* Handle possible VF requests for physical port identifiers.
1229 * 'length' should continue to indicate the offset of the first empty
1230 * place in the buffer (i.e., where next TLV should be inserted)
1231 */
1232 if (bnx2x_search_tlv_list(bp, &mbx->msg->req,
1233 CHANNEL_TLV_PHYS_PORT_ID))
1234 bnx2x_vf_mbx_resp_phys_port(bp, vf, &mbx->msg->resp, &length);
1235
1236 bnx2x_add_tlv(bp, &mbx->msg->resp, length, CHANNEL_TLV_LIST_END,
1237 sizeof(struct channel_list_end_tlv));
1238
1239 /* send the response */
1240 vf->op_rc = vfop_status;
1241 bnx2x_vf_mbx_resp_send_msg(bp, vf);
1242 }
1243
1244 static void bnx2x_vf_mbx_acquire(struct bnx2x *bp, struct bnx2x_virtf *vf,
1245 struct bnx2x_vf_mbx *mbx)
1246 {
1247 int rc;
1248 struct vfpf_acquire_tlv *acquire = &mbx->msg->req.acquire;
1249
1250 /* log vfdef info */
1251 DP(BNX2X_MSG_IOV,
1252 "VF[%d] ACQUIRE: vfdev_info- vf_id %d, vf_os %d resources- n_rxq-%d, n_txq-%d, n_sbs-%d, n_macs-%d, n_vlans-%d, n_mcs-%d\n",
1253 vf->abs_vfid, acquire->vfdev_info.vf_id, acquire->vfdev_info.vf_os,
1254 acquire->resc_request.num_rxqs, acquire->resc_request.num_txqs,
1255 acquire->resc_request.num_sbs, acquire->resc_request.num_mac_filters,
1256 acquire->resc_request.num_vlan_filters,
1257 acquire->resc_request.num_mc_filters);
1258
1259 /* acquire the resources */
1260 rc = bnx2x_vf_acquire(bp, vf, &acquire->resc_request);
1261
1262 /* store address of vf's bulletin board */
1263 vf->bulletin_map = acquire->bulletin_addr;
1264
1265 /* response */
1266 bnx2x_vf_mbx_acquire_resp(bp, vf, mbx, rc);
1267 }
1268
1269 static void bnx2x_vf_mbx_init_vf(struct bnx2x *bp, struct bnx2x_virtf *vf,
1270 struct bnx2x_vf_mbx *mbx)
1271 {
1272 struct vfpf_init_tlv *init = &mbx->msg->req.init;
1273
1274 /* record ghost addresses from vf message */
1275 vf->spq_map = init->spq_addr;
1276 vf->fw_stat_map = init->stats_addr;
1277 vf->stats_stride = init->stats_stride;
1278 vf->op_rc = bnx2x_vf_init(bp, vf, (dma_addr_t *)init->sb_addr);
1279
1280 /* set VF multiqueue statistics collection mode */
1281 if (init->flags & VFPF_INIT_FLG_STATS_COALESCE)
1282 vf->cfg_flags |= VF_CFG_STATS_COALESCE;
1283
1284 /* response */
1285 bnx2x_vf_mbx_resp(bp, vf);
1286 }
1287
1288 /* convert MBX queue-flags to standard SP queue-flags */
1289 static void bnx2x_vf_mbx_set_q_flags(struct bnx2x *bp, u32 mbx_q_flags,
1290 unsigned long *sp_q_flags)
1291 {
1292 if (mbx_q_flags & VFPF_QUEUE_FLG_TPA)
1293 __set_bit(BNX2X_Q_FLG_TPA, sp_q_flags);
1294 if (mbx_q_flags & VFPF_QUEUE_FLG_TPA_IPV6)
1295 __set_bit(BNX2X_Q_FLG_TPA_IPV6, sp_q_flags);
1296 if (mbx_q_flags & VFPF_QUEUE_FLG_TPA_GRO)
1297 __set_bit(BNX2X_Q_FLG_TPA_GRO, sp_q_flags);
1298 if (mbx_q_flags & VFPF_QUEUE_FLG_STATS)
1299 __set_bit(BNX2X_Q_FLG_STATS, sp_q_flags);
1300 if (mbx_q_flags & VFPF_QUEUE_FLG_VLAN)
1301 __set_bit(BNX2X_Q_FLG_VLAN, sp_q_flags);
1302 if (mbx_q_flags & VFPF_QUEUE_FLG_COS)
1303 __set_bit(BNX2X_Q_FLG_COS, sp_q_flags);
1304 if (mbx_q_flags & VFPF_QUEUE_FLG_HC)
1305 __set_bit(BNX2X_Q_FLG_HC, sp_q_flags);
1306 if (mbx_q_flags & VFPF_QUEUE_FLG_DHC)
1307 __set_bit(BNX2X_Q_FLG_DHC, sp_q_flags);
1308 if (mbx_q_flags & VFPF_QUEUE_FLG_LEADING_RSS)
1309 __set_bit(BNX2X_Q_FLG_LEADING_RSS, sp_q_flags);
1310
1311 /* outer vlan removal is set according to PF's multi function mode */
1312 if (IS_MF_SD(bp))
1313 __set_bit(BNX2X_Q_FLG_OV, sp_q_flags);
1314 }
1315
1316 static void bnx2x_vf_mbx_setup_q(struct bnx2x *bp, struct bnx2x_virtf *vf,
1317 struct bnx2x_vf_mbx *mbx)
1318 {
1319 struct vfpf_setup_q_tlv *setup_q = &mbx->msg->req.setup_q;
1320 struct bnx2x_vfop_cmd cmd = {
1321 .done = bnx2x_vf_mbx_resp,
1322 .block = false,
1323 };
1324
1325 /* verify vf_qid */
1326 if (setup_q->vf_qid >= vf_rxq_count(vf)) {
1327 BNX2X_ERR("vf_qid %d invalid, max queue count is %d\n",
1328 setup_q->vf_qid, vf_rxq_count(vf));
1329 vf->op_rc = -EINVAL;
1330 goto response;
1331 }
1332
1333 /* tx queues must be setup alongside rx queues thus if the rx queue
1334 * is not marked as valid there's nothing to do.
1335 */
1336 if (setup_q->param_valid & (VFPF_RXQ_VALID|VFPF_TXQ_VALID)) {
1337 struct bnx2x_vf_queue *q = vfq_get(vf, setup_q->vf_qid);
1338 unsigned long q_type = 0;
1339
1340 struct bnx2x_queue_init_params *init_p;
1341 struct bnx2x_queue_setup_params *setup_p;
1342
1343 if (bnx2x_vfq_is_leading(q))
1344 bnx2x_leading_vfq_init(bp, vf, q);
1345
1346 /* re-init the VF operation context */
1347 memset(&vf->op_params.qctor, 0 , sizeof(vf->op_params.qctor));
1348 setup_p = &vf->op_params.qctor.prep_qsetup;
1349 init_p = &vf->op_params.qctor.qstate.params.init;
1350
1351 /* activate immediately */
1352 __set_bit(BNX2X_Q_FLG_ACTIVE, &setup_p->flags);
1353
1354 if (setup_q->param_valid & VFPF_TXQ_VALID) {
1355 struct bnx2x_txq_setup_params *txq_params =
1356 &setup_p->txq_params;
1357
1358 __set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type);
1359
1360 /* save sb resource index */
1361 q->sb_idx = setup_q->txq.vf_sb;
1362
1363 /* tx init */
1364 init_p->tx.hc_rate = setup_q->txq.hc_rate;
1365 init_p->tx.sb_cq_index = setup_q->txq.sb_index;
1366
1367 bnx2x_vf_mbx_set_q_flags(bp, setup_q->txq.flags,
1368 &init_p->tx.flags);
1369
1370 /* tx setup - flags */
1371 bnx2x_vf_mbx_set_q_flags(bp, setup_q->txq.flags,
1372 &setup_p->flags);
1373
1374 /* tx setup - general, nothing */
1375
1376 /* tx setup - tx */
1377 txq_params->dscr_map = setup_q->txq.txq_addr;
1378 txq_params->sb_cq_index = setup_q->txq.sb_index;
1379 txq_params->traffic_type = setup_q->txq.traffic_type;
1380
1381 bnx2x_vfop_qctor_dump_tx(bp, vf, init_p, setup_p,
1382 q->index, q->sb_idx);
1383 }
1384
1385 if (setup_q->param_valid & VFPF_RXQ_VALID) {
1386 struct bnx2x_rxq_setup_params *rxq_params =
1387 &setup_p->rxq_params;
1388
1389 __set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type);
1390
1391 /* Note: there is no support for different SBs
1392 * for TX and RX
1393 */
1394 q->sb_idx = setup_q->rxq.vf_sb;
1395
1396 /* rx init */
1397 init_p->rx.hc_rate = setup_q->rxq.hc_rate;
1398 init_p->rx.sb_cq_index = setup_q->rxq.sb_index;
1399 bnx2x_vf_mbx_set_q_flags(bp, setup_q->rxq.flags,
1400 &init_p->rx.flags);
1401
1402 /* rx setup - flags */
1403 bnx2x_vf_mbx_set_q_flags(bp, setup_q->rxq.flags,
1404 &setup_p->flags);
1405
1406 /* rx setup - general */
1407 setup_p->gen_params.mtu = setup_q->rxq.mtu;
1408
1409 /* rx setup - rx */
1410 rxq_params->drop_flags = setup_q->rxq.drop_flags;
1411 rxq_params->dscr_map = setup_q->rxq.rxq_addr;
1412 rxq_params->sge_map = setup_q->rxq.sge_addr;
1413 rxq_params->rcq_map = setup_q->rxq.rcq_addr;
1414 rxq_params->rcq_np_map = setup_q->rxq.rcq_np_addr;
1415 rxq_params->buf_sz = setup_q->rxq.buf_sz;
1416 rxq_params->tpa_agg_sz = setup_q->rxq.tpa_agg_sz;
1417 rxq_params->max_sges_pkt = setup_q->rxq.max_sge_pkt;
1418 rxq_params->sge_buf_sz = setup_q->rxq.sge_buf_sz;
1419 rxq_params->cache_line_log =
1420 setup_q->rxq.cache_line_log;
1421 rxq_params->sb_cq_index = setup_q->rxq.sb_index;
1422
1423 /* rx setup - multicast engine */
1424 if (bnx2x_vfq_is_leading(q)) {
1425 u8 mcast_id = FW_VF_HANDLE(vf->abs_vfid);
1426
1427 rxq_params->mcast_engine_id = mcast_id;
1428 __set_bit(BNX2X_Q_FLG_MCAST, &setup_p->flags);
1429 }
1430
1431 bnx2x_vfop_qctor_dump_rx(bp, vf, init_p, setup_p,
1432 q->index, q->sb_idx);
1433 }
1434 /* complete the preparations */
1435 bnx2x_vfop_qctor_prep(bp, vf, q, &vf->op_params.qctor, q_type);
1436
1437 vf->op_rc = bnx2x_vfop_qsetup_cmd(bp, vf, &cmd, q->index);
1438 if (vf->op_rc)
1439 goto response;
1440 return;
1441 }
1442 response:
1443 bnx2x_vf_mbx_resp(bp, vf);
1444 }
1445
1446 enum bnx2x_vfop_filters_state {
1447 BNX2X_VFOP_MBX_Q_FILTERS_MACS,
1448 BNX2X_VFOP_MBX_Q_FILTERS_VLANS,
1449 BNX2X_VFOP_MBX_Q_FILTERS_RXMODE,
1450 BNX2X_VFOP_MBX_Q_FILTERS_MCAST,
1451 BNX2X_VFOP_MBX_Q_FILTERS_DONE
1452 };
1453
1454 static int bnx2x_vf_mbx_macvlan_list(struct bnx2x *bp,
1455 struct bnx2x_virtf *vf,
1456 struct vfpf_set_q_filters_tlv *tlv,
1457 struct bnx2x_vfop_filters **pfl,
1458 u32 type_flag)
1459 {
1460 int i, j;
1461 struct bnx2x_vfop_filters *fl = NULL;
1462 size_t fsz;
1463
1464 fsz = tlv->n_mac_vlan_filters * sizeof(struct bnx2x_vfop_filter) +
1465 sizeof(struct bnx2x_vfop_filters);
1466
1467 fl = kzalloc(fsz, GFP_KERNEL);
1468 if (!fl)
1469 return -ENOMEM;
1470
1471 INIT_LIST_HEAD(&fl->head);
1472
1473 for (i = 0, j = 0; i < tlv->n_mac_vlan_filters; i++) {
1474 struct vfpf_q_mac_vlan_filter *msg_filter = &tlv->filters[i];
1475
1476 if ((msg_filter->flags & type_flag) != type_flag)
1477 continue;
1478 if (type_flag == VFPF_Q_FILTER_DEST_MAC_VALID) {
1479 fl->filters[j].mac = msg_filter->mac;
1480 fl->filters[j].type = BNX2X_VFOP_FILTER_MAC;
1481 } else {
1482 fl->filters[j].vid = msg_filter->vlan_tag;
1483 fl->filters[j].type = BNX2X_VFOP_FILTER_VLAN;
1484 }
1485 fl->filters[j].add =
1486 (msg_filter->flags & VFPF_Q_FILTER_SET_MAC) ?
1487 true : false;
1488 list_add_tail(&fl->filters[j++].link, &fl->head);
1489 }
1490 if (list_empty(&fl->head))
1491 kfree(fl);
1492 else
1493 *pfl = fl;
1494
1495 return 0;
1496 }
1497
1498 static void bnx2x_vf_mbx_dp_q_filter(struct bnx2x *bp, int msglvl, int idx,
1499 struct vfpf_q_mac_vlan_filter *filter)
1500 {
1501 DP(msglvl, "MAC-VLAN[%d] -- flags=0x%x\n", idx, filter->flags);
1502 if (filter->flags & VFPF_Q_FILTER_VLAN_TAG_VALID)
1503 DP_CONT(msglvl, ", vlan=%d", filter->vlan_tag);
1504 if (filter->flags & VFPF_Q_FILTER_DEST_MAC_VALID)
1505 DP_CONT(msglvl, ", MAC=%pM", filter->mac);
1506 DP_CONT(msglvl, "\n");
1507 }
1508
1509 static void bnx2x_vf_mbx_dp_q_filters(struct bnx2x *bp, int msglvl,
1510 struct vfpf_set_q_filters_tlv *filters)
1511 {
1512 int i;
1513
1514 if (filters->flags & VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED)
1515 for (i = 0; i < filters->n_mac_vlan_filters; i++)
1516 bnx2x_vf_mbx_dp_q_filter(bp, msglvl, i,
1517 &filters->filters[i]);
1518
1519 if (filters->flags & VFPF_SET_Q_FILTERS_RX_MASK_CHANGED)
1520 DP(msglvl, "RX-MASK=0x%x\n", filters->rx_mask);
1521
1522 if (filters->flags & VFPF_SET_Q_FILTERS_MULTICAST_CHANGED)
1523 for (i = 0; i < filters->n_multicast; i++)
1524 DP(msglvl, "MULTICAST=%pM\n", filters->multicast[i]);
1525 }
1526
1527 #define VFPF_MAC_FILTER VFPF_Q_FILTER_DEST_MAC_VALID
1528 #define VFPF_VLAN_FILTER VFPF_Q_FILTER_VLAN_TAG_VALID
1529
1530 static void bnx2x_vfop_mbx_qfilters(struct bnx2x *bp, struct bnx2x_virtf *vf)
1531 {
1532 int rc;
1533
1534 struct vfpf_set_q_filters_tlv *msg =
1535 &BP_VF_MBX(bp, vf->index)->msg->req.set_q_filters;
1536
1537 struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1538 enum bnx2x_vfop_filters_state state = vfop->state;
1539
1540 struct bnx2x_vfop_cmd cmd = {
1541 .done = bnx2x_vfop_mbx_qfilters,
1542 .block = false,
1543 };
1544
1545 DP(BNX2X_MSG_IOV, "STATE: %d\n", state);
1546
1547 if (vfop->rc < 0)
1548 goto op_err;
1549
1550 switch (state) {
1551 case BNX2X_VFOP_MBX_Q_FILTERS_MACS:
1552 /* next state */
1553 vfop->state = BNX2X_VFOP_MBX_Q_FILTERS_VLANS;
1554
1555 /* check for any vlan/mac changes */
1556 if (msg->flags & VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED) {
1557 /* build mac list */
1558 struct bnx2x_vfop_filters *fl = NULL;
1559
1560 vfop->rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl,
1561 VFPF_MAC_FILTER);
1562 if (vfop->rc)
1563 goto op_err;
1564
1565 if (fl) {
1566 /* set mac list */
1567 rc = bnx2x_vfop_mac_list_cmd(bp, vf, &cmd, fl,
1568 msg->vf_qid,
1569 false);
1570 if (rc) {
1571 vfop->rc = rc;
1572 goto op_err;
1573 }
1574 return;
1575 }
1576 }
1577 /* fall through */
1578
1579 case BNX2X_VFOP_MBX_Q_FILTERS_VLANS:
1580 /* next state */
1581 vfop->state = BNX2X_VFOP_MBX_Q_FILTERS_RXMODE;
1582
1583 /* check for any vlan/mac changes */
1584 if (msg->flags & VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED) {
1585 /* build vlan list */
1586 struct bnx2x_vfop_filters *fl = NULL;
1587
1588 vfop->rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl,
1589 VFPF_VLAN_FILTER);
1590 if (vfop->rc)
1591 goto op_err;
1592
1593 if (fl) {
1594 /* set vlan list */
1595 rc = bnx2x_vfop_vlan_list_cmd(bp, vf, &cmd, fl,
1596 msg->vf_qid,
1597 false);
1598 if (rc) {
1599 vfop->rc = rc;
1600 goto op_err;
1601 }
1602 return;
1603 }
1604 }
1605 /* fall through */
1606
1607 case BNX2X_VFOP_MBX_Q_FILTERS_RXMODE:
1608 /* next state */
1609 vfop->state = BNX2X_VFOP_MBX_Q_FILTERS_MCAST;
1610
1611 if (msg->flags & VFPF_SET_Q_FILTERS_RX_MASK_CHANGED) {
1612 unsigned long accept = 0;
1613 struct pf_vf_bulletin_content *bulletin =
1614 BP_VF_BULLETIN(bp, vf->index);
1615
1616 /* covert VF-PF if mask to bnx2x accept flags */
1617 if (msg->rx_mask & VFPF_RX_MASK_ACCEPT_MATCHED_UNICAST)
1618 __set_bit(BNX2X_ACCEPT_UNICAST, &accept);
1619
1620 if (msg->rx_mask &
1621 VFPF_RX_MASK_ACCEPT_MATCHED_MULTICAST)
1622 __set_bit(BNX2X_ACCEPT_MULTICAST, &accept);
1623
1624 if (msg->rx_mask & VFPF_RX_MASK_ACCEPT_ALL_UNICAST)
1625 __set_bit(BNX2X_ACCEPT_ALL_UNICAST, &accept);
1626
1627 if (msg->rx_mask & VFPF_RX_MASK_ACCEPT_ALL_MULTICAST)
1628 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &accept);
1629
1630 if (msg->rx_mask & VFPF_RX_MASK_ACCEPT_BROADCAST)
1631 __set_bit(BNX2X_ACCEPT_BROADCAST, &accept);
1632
1633 /* A packet arriving the vf's mac should be accepted
1634 * with any vlan, unless a vlan has already been
1635 * configured.
1636 */
1637 if (!(bulletin->valid_bitmap & (1 << VLAN_VALID)))
1638 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept);
1639
1640 /* set rx-mode */
1641 rc = bnx2x_vfop_rxmode_cmd(bp, vf, &cmd,
1642 msg->vf_qid, accept);
1643 if (rc) {
1644 vfop->rc = rc;
1645 goto op_err;
1646 }
1647 return;
1648 }
1649 /* fall through */
1650
1651 case BNX2X_VFOP_MBX_Q_FILTERS_MCAST:
1652 /* next state */
1653 vfop->state = BNX2X_VFOP_MBX_Q_FILTERS_DONE;
1654
1655 if (msg->flags & VFPF_SET_Q_FILTERS_MULTICAST_CHANGED) {
1656 /* set mcasts */
1657 rc = bnx2x_vfop_mcast_cmd(bp, vf, &cmd, msg->multicast,
1658 msg->n_multicast, false);
1659 if (rc) {
1660 vfop->rc = rc;
1661 goto op_err;
1662 }
1663 return;
1664 }
1665 /* fall through */
1666 op_done:
1667 case BNX2X_VFOP_MBX_Q_FILTERS_DONE:
1668 bnx2x_vfop_end(bp, vf, vfop);
1669 return;
1670 op_err:
1671 BNX2X_ERR("QFILTERS[%d:%d] error: rc %d\n",
1672 vf->abs_vfid, msg->vf_qid, vfop->rc);
1673 goto op_done;
1674
1675 default:
1676 bnx2x_vfop_default(state);
1677 }
1678 }
1679
1680 static int bnx2x_vfop_mbx_qfilters_cmd(struct bnx2x *bp,
1681 struct bnx2x_virtf *vf,
1682 struct bnx2x_vfop_cmd *cmd)
1683 {
1684 struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1685 if (vfop) {
1686 bnx2x_vfop_opset(BNX2X_VFOP_MBX_Q_FILTERS_MACS,
1687 bnx2x_vfop_mbx_qfilters, cmd->done);
1688 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_mbx_qfilters,
1689 cmd->block);
1690 }
1691 return -ENOMEM;
1692 }
1693
1694 static void bnx2x_vf_mbx_set_q_filters(struct bnx2x *bp,
1695 struct bnx2x_virtf *vf,
1696 struct bnx2x_vf_mbx *mbx)
1697 {
1698 struct vfpf_set_q_filters_tlv *filters = &mbx->msg->req.set_q_filters;
1699 struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf->index);
1700 struct bnx2x_vfop_cmd cmd = {
1701 .done = bnx2x_vf_mbx_resp,
1702 .block = false,
1703 };
1704
1705 /* if a mac was already set for this VF via the set vf mac ndo, we only
1706 * accept mac configurations of that mac. Why accept them at all?
1707 * because PF may have been unable to configure the mac at the time
1708 * since queue was not set up.
1709 */
1710 if (bulletin->valid_bitmap & 1 << MAC_ADDR_VALID) {
1711 /* once a mac was set by ndo can only accept a single mac... */
1712 if (filters->n_mac_vlan_filters > 1) {
1713 BNX2X_ERR("VF[%d] requested the addition of multiple macs after set_vf_mac ndo was called\n",
1714 vf->abs_vfid);
1715 vf->op_rc = -EPERM;
1716 goto response;
1717 }
1718
1719 /* ...and only the mac set by the ndo */
1720 if (filters->n_mac_vlan_filters == 1 &&
1721 !ether_addr_equal(filters->filters->mac, bulletin->mac)) {
1722 BNX2X_ERR("VF[%d] requested the addition of a mac address not matching the one configured by set_vf_mac ndo\n",
1723 vf->abs_vfid);
1724
1725 vf->op_rc = -EPERM;
1726 goto response;
1727 }
1728 }
1729 /* if vlan was set by hypervisor we don't allow guest to config vlan */
1730 if (bulletin->valid_bitmap & 1 << VLAN_VALID) {
1731 int i;
1732
1733 /* search for vlan filters */
1734 for (i = 0; i < filters->n_mac_vlan_filters; i++) {
1735 if (filters->filters[i].flags &
1736 VFPF_Q_FILTER_VLAN_TAG_VALID) {
1737 BNX2X_ERR("VF[%d] attempted to configure vlan but one was already set by Hypervisor. Aborting request\n",
1738 vf->abs_vfid);
1739 vf->op_rc = -EPERM;
1740 goto response;
1741 }
1742 }
1743 }
1744
1745 /* verify vf_qid */
1746 if (filters->vf_qid > vf_rxq_count(vf))
1747 goto response;
1748
1749 DP(BNX2X_MSG_IOV, "VF[%d] Q_FILTERS: queue[%d]\n",
1750 vf->abs_vfid,
1751 filters->vf_qid);
1752
1753 /* print q_filter message */
1754 bnx2x_vf_mbx_dp_q_filters(bp, BNX2X_MSG_IOV, filters);
1755
1756 vf->op_rc = bnx2x_vfop_mbx_qfilters_cmd(bp, vf, &cmd);
1757 if (vf->op_rc)
1758 goto response;
1759 return;
1760
1761 response:
1762 bnx2x_vf_mbx_resp(bp, vf);
1763 }
1764
1765 static void bnx2x_vf_mbx_teardown_q(struct bnx2x *bp, struct bnx2x_virtf *vf,
1766 struct bnx2x_vf_mbx *mbx)
1767 {
1768 int qid = mbx->msg->req.q_op.vf_qid;
1769 struct bnx2x_vfop_cmd cmd = {
1770 .done = bnx2x_vf_mbx_resp,
1771 .block = false,
1772 };
1773
1774 DP(BNX2X_MSG_IOV, "VF[%d] Q_TEARDOWN: vf_qid=%d\n",
1775 vf->abs_vfid, qid);
1776
1777 vf->op_rc = bnx2x_vfop_qdown_cmd(bp, vf, &cmd, qid);
1778 if (vf->op_rc)
1779 bnx2x_vf_mbx_resp(bp, vf);
1780 }
1781
1782 static void bnx2x_vf_mbx_close_vf(struct bnx2x *bp, struct bnx2x_virtf *vf,
1783 struct bnx2x_vf_mbx *mbx)
1784 {
1785 struct bnx2x_vfop_cmd cmd = {
1786 .done = bnx2x_vf_mbx_resp,
1787 .block = false,
1788 };
1789
1790 DP(BNX2X_MSG_IOV, "VF[%d] VF_CLOSE\n", vf->abs_vfid);
1791
1792 vf->op_rc = bnx2x_vfop_close_cmd(bp, vf, &cmd);
1793 if (vf->op_rc)
1794 bnx2x_vf_mbx_resp(bp, vf);
1795 }
1796
1797 static void bnx2x_vf_mbx_release_vf(struct bnx2x *bp, struct bnx2x_virtf *vf,
1798 struct bnx2x_vf_mbx *mbx)
1799 {
1800 struct bnx2x_vfop_cmd cmd = {
1801 .done = bnx2x_vf_mbx_resp,
1802 .block = false,
1803 };
1804
1805 DP(BNX2X_MSG_IOV, "VF[%d] VF_RELEASE\n", vf->abs_vfid);
1806
1807 vf->op_rc = bnx2x_vfop_release_cmd(bp, vf, &cmd);
1808 if (vf->op_rc)
1809 bnx2x_vf_mbx_resp(bp, vf);
1810 }
1811
1812 static void bnx2x_vf_mbx_update_rss(struct bnx2x *bp, struct bnx2x_virtf *vf,
1813 struct bnx2x_vf_mbx *mbx)
1814 {
1815 struct bnx2x_vfop_cmd cmd = {
1816 .done = bnx2x_vf_mbx_resp,
1817 .block = false,
1818 };
1819 struct bnx2x_config_rss_params *vf_op_params = &vf->op_params.rss;
1820 struct vfpf_rss_tlv *rss_tlv = &mbx->msg->req.update_rss;
1821
1822 if (rss_tlv->ind_table_size != T_ETH_INDIRECTION_TABLE_SIZE ||
1823 rss_tlv->rss_key_size != T_ETH_RSS_KEY) {
1824 BNX2X_ERR("failing rss configuration of vf %d due to size mismatch\n",
1825 vf->index);
1826 vf->op_rc = -EINVAL;
1827 goto mbx_resp;
1828 }
1829
1830 /* set vfop params according to rss tlv */
1831 memcpy(vf_op_params->ind_table, rss_tlv->ind_table,
1832 T_ETH_INDIRECTION_TABLE_SIZE);
1833 memcpy(vf_op_params->rss_key, rss_tlv->rss_key,
1834 sizeof(rss_tlv->rss_key));
1835 vf_op_params->rss_obj = &vf->rss_conf_obj;
1836 vf_op_params->rss_result_mask = rss_tlv->rss_result_mask;
1837
1838 /* flags handled individually for backward/forward compatability */
1839 vf_op_params->rss_flags = 0;
1840 vf_op_params->ramrod_flags = 0;
1841
1842 if (rss_tlv->rss_flags & VFPF_RSS_MODE_DISABLED)
1843 __set_bit(BNX2X_RSS_MODE_DISABLED, &vf_op_params->rss_flags);
1844 if (rss_tlv->rss_flags & VFPF_RSS_MODE_REGULAR)
1845 __set_bit(BNX2X_RSS_MODE_REGULAR, &vf_op_params->rss_flags);
1846 if (rss_tlv->rss_flags & VFPF_RSS_SET_SRCH)
1847 __set_bit(BNX2X_RSS_SET_SRCH, &vf_op_params->rss_flags);
1848 if (rss_tlv->rss_flags & VFPF_RSS_IPV4)
1849 __set_bit(BNX2X_RSS_IPV4, &vf_op_params->rss_flags);
1850 if (rss_tlv->rss_flags & VFPF_RSS_IPV4_TCP)
1851 __set_bit(BNX2X_RSS_IPV4_TCP, &vf_op_params->rss_flags);
1852 if (rss_tlv->rss_flags & VFPF_RSS_IPV4_UDP)
1853 __set_bit(BNX2X_RSS_IPV4_UDP, &vf_op_params->rss_flags);
1854 if (rss_tlv->rss_flags & VFPF_RSS_IPV6)
1855 __set_bit(BNX2X_RSS_IPV6, &vf_op_params->rss_flags);
1856 if (rss_tlv->rss_flags & VFPF_RSS_IPV6_TCP)
1857 __set_bit(BNX2X_RSS_IPV6_TCP, &vf_op_params->rss_flags);
1858 if (rss_tlv->rss_flags & VFPF_RSS_IPV6_UDP)
1859 __set_bit(BNX2X_RSS_IPV6_UDP, &vf_op_params->rss_flags);
1860
1861 if ((!(rss_tlv->rss_flags & VFPF_RSS_IPV4_TCP) &&
1862 rss_tlv->rss_flags & VFPF_RSS_IPV4_UDP) ||
1863 (!(rss_tlv->rss_flags & VFPF_RSS_IPV6_TCP) &&
1864 rss_tlv->rss_flags & VFPF_RSS_IPV6_UDP)) {
1865 BNX2X_ERR("about to hit a FW assert. aborting...\n");
1866 vf->op_rc = -EINVAL;
1867 goto mbx_resp;
1868 }
1869
1870 vf->op_rc = bnx2x_vfop_rss_cmd(bp, vf, &cmd);
1871
1872 mbx_resp:
1873 if (vf->op_rc)
1874 bnx2x_vf_mbx_resp(bp, vf);
1875 }
1876
1877 /* dispatch request */
1878 static void bnx2x_vf_mbx_request(struct bnx2x *bp, struct bnx2x_virtf *vf,
1879 struct bnx2x_vf_mbx *mbx)
1880 {
1881 int i;
1882
1883 /* check if tlv type is known */
1884 if (bnx2x_tlv_supported(mbx->first_tlv.tl.type)) {
1885 /* Lock the per vf op mutex and note the locker's identity.
1886 * The unlock will take place in mbx response.
1887 */
1888 bnx2x_lock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type);
1889
1890 /* switch on the opcode */
1891 switch (mbx->first_tlv.tl.type) {
1892 case CHANNEL_TLV_ACQUIRE:
1893 bnx2x_vf_mbx_acquire(bp, vf, mbx);
1894 return;
1895 case CHANNEL_TLV_INIT:
1896 bnx2x_vf_mbx_init_vf(bp, vf, mbx);
1897 return;
1898 case CHANNEL_TLV_SETUP_Q:
1899 bnx2x_vf_mbx_setup_q(bp, vf, mbx);
1900 return;
1901 case CHANNEL_TLV_SET_Q_FILTERS:
1902 bnx2x_vf_mbx_set_q_filters(bp, vf, mbx);
1903 return;
1904 case CHANNEL_TLV_TEARDOWN_Q:
1905 bnx2x_vf_mbx_teardown_q(bp, vf, mbx);
1906 return;
1907 case CHANNEL_TLV_CLOSE:
1908 bnx2x_vf_mbx_close_vf(bp, vf, mbx);
1909 return;
1910 case CHANNEL_TLV_RELEASE:
1911 bnx2x_vf_mbx_release_vf(bp, vf, mbx);
1912 return;
1913 case CHANNEL_TLV_UPDATE_RSS:
1914 bnx2x_vf_mbx_update_rss(bp, vf, mbx);
1915 return;
1916 }
1917
1918 } else {
1919 /* unknown TLV - this may belong to a VF driver from the future
1920 * - a version written after this PF driver was written, which
1921 * supports features unknown as of yet. Too bad since we don't
1922 * support them. Or this may be because someone wrote a crappy
1923 * VF driver and is sending garbage over the channel.
1924 */
1925 BNX2X_ERR("unknown TLV. type %d length %d vf->state was %d. first 20 bytes of mailbox buffer:\n",
1926 mbx->first_tlv.tl.type, mbx->first_tlv.tl.length,
1927 vf->state);
1928 for (i = 0; i < 20; i++)
1929 DP_CONT(BNX2X_MSG_IOV, "%x ",
1930 mbx->msg->req.tlv_buf_size.tlv_buffer[i]);
1931 }
1932
1933 /* can we respond to VF (do we have an address for it?) */
1934 if (vf->state == VF_ACQUIRED || vf->state == VF_ENABLED) {
1935 /* mbx_resp uses the op_rc of the VF */
1936 vf->op_rc = PFVF_STATUS_NOT_SUPPORTED;
1937
1938 /* notify the VF that we do not support this request */
1939 bnx2x_vf_mbx_resp(bp, vf);
1940 } else {
1941 /* can't send a response since this VF is unknown to us
1942 * just ack the FW to release the mailbox and unlock
1943 * the channel.
1944 */
1945 storm_memset_vf_mbx_ack(bp, vf->abs_vfid);
1946 /* Firmware ack should be written before unlocking channel */
1947 mmiowb();
1948 bnx2x_unlock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type);
1949 }
1950 }
1951
1952 /* handle new vf-pf message */
1953 void bnx2x_vf_mbx(struct bnx2x *bp, struct vf_pf_event_data *vfpf_event)
1954 {
1955 struct bnx2x_virtf *vf;
1956 struct bnx2x_vf_mbx *mbx;
1957 u8 vf_idx;
1958 int rc;
1959
1960 DP(BNX2X_MSG_IOV,
1961 "vf pf event received: vfid %d, address_hi %x, address lo %x",
1962 vfpf_event->vf_id, vfpf_event->msg_addr_hi, vfpf_event->msg_addr_lo);
1963 /* Sanity checks consider removing later */
1964
1965 /* check if the vf_id is valid */
1966 if (vfpf_event->vf_id - BP_VFDB(bp)->sriov.first_vf_in_pf >
1967 BNX2X_NR_VIRTFN(bp)) {
1968 BNX2X_ERR("Illegal vf_id %d max allowed: %d\n",
1969 vfpf_event->vf_id, BNX2X_NR_VIRTFN(bp));
1970 goto mbx_done;
1971 }
1972 vf_idx = bnx2x_vf_idx_by_abs_fid(bp, vfpf_event->vf_id);
1973 mbx = BP_VF_MBX(bp, vf_idx);
1974
1975 /* verify an event is not currently being processed -
1976 * debug failsafe only
1977 */
1978 if (mbx->flags & VF_MSG_INPROCESS) {
1979 BNX2X_ERR("Previous message is still being processed, vf_id %d\n",
1980 vfpf_event->vf_id);
1981 goto mbx_done;
1982 }
1983 vf = BP_VF(bp, vf_idx);
1984
1985 /* save the VF message address */
1986 mbx->vf_addr_hi = vfpf_event->msg_addr_hi;
1987 mbx->vf_addr_lo = vfpf_event->msg_addr_lo;
1988 DP(BNX2X_MSG_IOV, "mailbox vf address hi 0x%x, lo 0x%x, offset 0x%x\n",
1989 mbx->vf_addr_hi, mbx->vf_addr_lo, mbx->first_tlv.resp_msg_offset);
1990
1991 /* dmae to get the VF request */
1992 rc = bnx2x_copy32_vf_dmae(bp, true, mbx->msg_mapping, vf->abs_vfid,
1993 mbx->vf_addr_hi, mbx->vf_addr_lo,
1994 sizeof(union vfpf_tlvs)/4);
1995 if (rc) {
1996 BNX2X_ERR("Failed to copy request VF %d\n", vf->abs_vfid);
1997 goto mbx_error;
1998 }
1999
2000 /* process the VF message header */
2001 mbx->first_tlv = mbx->msg->req.first_tlv;
2002
2003 /* Clean response buffer to refrain from falsely seeing chains */
2004 memset(&mbx->msg->resp, 0, sizeof(union pfvf_tlvs));
2005
2006 /* dispatch the request (will prepare the response) */
2007 bnx2x_vf_mbx_request(bp, vf, mbx);
2008 goto mbx_done;
2009
2010 mbx_error:
2011 bnx2x_vf_release(bp, vf, false); /* non blocking */
2012 mbx_done:
2013 return;
2014 }
2015
2016 /* propagate local bulletin board to vf */
2017 int bnx2x_post_vf_bulletin(struct bnx2x *bp, int vf)
2018 {
2019 struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf);
2020 dma_addr_t pf_addr = BP_VF_BULLETIN_DMA(bp)->mapping +
2021 vf * BULLETIN_CONTENT_SIZE;
2022 dma_addr_t vf_addr = bnx2x_vf(bp, vf, bulletin_map);
2023 int rc;
2024
2025 /* can only update vf after init took place */
2026 if (bnx2x_vf(bp, vf, state) != VF_ENABLED &&
2027 bnx2x_vf(bp, vf, state) != VF_ACQUIRED)
2028 return 0;
2029
2030 /* increment bulletin board version and compute crc */
2031 bulletin->version++;
2032 bulletin->length = BULLETIN_CONTENT_SIZE;
2033 bulletin->crc = bnx2x_crc_vf_bulletin(bp, bulletin);
2034
2035 /* propagate bulletin board via dmae to vm memory */
2036 rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr,
2037 bnx2x_vf(bp, vf, abs_vfid), U64_HI(vf_addr),
2038 U64_LO(vf_addr), bulletin->length / 4);
2039 return rc;
2040 }
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