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bnx2x: Add support in PF driver for RSC
[linux-2.6-block.git] / drivers / net / ethernet / broadcom / bnx2x / bnx2x_vfpf.c
CommitLineData
be1f1ffa
AE		 1/* bnx2x_vfpf.c: Broadcom Everest network driver.
2 *
247fa82b 3 * Copyright 2009-2013 Broadcom Corporation
be1f1ffa
AE		 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"
6411280a 21#include "bnx2x_cmn.h"
b93288d5 22#include <linux/crc32.h>
be1f1ffa 23
a8f47eb7 24static int bnx2x_vfpf_teardown_queue(struct bnx2x *bp, int qidx);
25
be1f1ffa 26/* place a given tlv on the tlv buffer at a given offset */
a8f47eb7 27static void bnx2x_add_tlv(struct bnx2x *bp, void *tlvs_list,
28 u16 offset, u16 type, u16 length)
be1f1ffa
AE		 29{
30 struct channel_tlv *tl =
31 (struct channel_tlv *)(tlvs_list + offset);
32
33 tl->type = type;
34 tl->length = length;
35}
36
37/* Clear the mailbox and init the header of the first tlv */
a8f47eb7 38static void bnx2x_vfpf_prep(struct bnx2x *bp, struct vfpf_first_tlv *first_tlv,
39 u16 type, u16 length)
be1f1ffa 40{
1d6f3cd8
DK		 41 mutex_lock(&bp->vf2pf_mutex);
42
be1f1ffa
AE		 43 DP(BNX2X_MSG_IOV, "preparing to send %d tlv over vf pf channel\n",
44 type);
45
46 /* Clear mailbox */
47 memset(bp->vf2pf_mbox, 0, sizeof(struct bnx2x_vf_mbx_msg));
48
49 /* init type and length */
50 bnx2x_add_tlv(bp, &first_tlv->tl, 0, type, length);
51
52 /* init first tlv header */
53 first_tlv->resp_msg_offset = sizeof(bp->vf2pf_mbox->req);
54}
55
1d6f3cd8 56/* releases the mailbox */
a8f47eb7 57static void bnx2x_vfpf_finalize(struct bnx2x *bp,
58 struct vfpf_first_tlv *first_tlv)
1d6f3cd8
DK		 59{
60 DP(BNX2X_MSG_IOV, "done sending [%d] tlv over vf pf channel\n",
61 first_tlv->tl.type);
62
63 mutex_unlock(&bp->vf2pf_mutex);
64}
65
3d7d562c
YM		 66/* Finds a TLV by type in a TLV buffer; If found, returns pointer to the TLV */
67static void *bnx2x_search_tlv_list(struct bnx2x *bp, void *tlvs_list,
68 enum channel_tlvs req_tlv)
69{
70 struct channel_tlv *tlv = (struct channel_tlv *)tlvs_list;
71
72 do {
73 if (tlv->type == req_tlv)
74 return tlv;
75
76 if (!tlv->length) {
77 BNX2X_ERR("Found TLV with length 0\n");
78 return NULL;
79 }
80
81 tlvs_list += tlv->length;
82 tlv = (struct channel_tlv *)tlvs_list;
83 } while (tlv->type != CHANNEL_TLV_LIST_END);
84
85 DP(BNX2X_MSG_IOV, "TLV list does not contain %d TLV\n", req_tlv);
86
87 return NULL;
88}
89
be1f1ffa 90/* list the types and lengths of the tlvs on the buffer */
a8f47eb7 91static void bnx2x_dp_tlv_list(struct bnx2x *bp, void *tlvs_list)
be1f1ffa
AE		 92{
93 int i = 1;
94 struct channel_tlv *tlv = (struct channel_tlv *)tlvs_list;
95
96 while (tlv->type != CHANNEL_TLV_LIST_END) {
97 /* output tlv */
98 DP(BNX2X_MSG_IOV, "TLV number %d: type %d, length %d\n", i,
99 tlv->type, tlv->length);
100
101 /* advance to next tlv */
102 tlvs_list += tlv->length;
103
104 /* cast general tlv list pointer to channel tlv header*/
105 tlv = (struct channel_tlv *)tlvs_list;
106
107 i++;
108
109 /* break condition for this loop */
110 if (i > MAX_TLVS_IN_LIST) {
111 WARN(true, "corrupt tlvs");
112 return;
113 }
114 }
115
116 /* output last tlv */
117 DP(BNX2X_MSG_IOV, "TLV number %d: type %d, length %d\n", i,
118 tlv->type, tlv->length);
119}
b56e9670 120
fd1fc79d
AE		 121/* test whether we support a tlv type */
122bool bnx2x_tlv_supported(u16 tlvtype)
123{
124 return CHANNEL_TLV_NONE < tlvtype && tlvtype < CHANNEL_TLV_MAX;
125}
126
127static inline int bnx2x_pfvf_status_codes(int rc)
128{
129 switch (rc) {
130 case 0:
131 return PFVF_STATUS_SUCCESS;
132 case -ENOMEM:
133 return PFVF_STATUS_NO_RESOURCE;
134 default:
135 return PFVF_STATUS_FAILURE;
136 }
137}
138
732ac8ca 139static int bnx2x_send_msg2pf(struct bnx2x *bp, u8 *done, dma_addr_t msg_mapping)
6411280a
AE		 140{
141 struct cstorm_vf_zone_data __iomem *zone_data =
142 REG_ADDR(bp, PXP_VF_ADDR_CSDM_GLOBAL_START);
78c3bcc5 143 int tout = 100, interval = 100; /* wait for 10 seconds */
6411280a
AE		 144
145 if (*done) {
146 BNX2X_ERR("done was non zero before message to pf was sent\n");
147 WARN_ON(true);
148 return -EINVAL;
149 }
150
78c3bcc5
AE		 151 /* if PF indicated channel is down avoid sending message. Return success
152 * so calling flow can continue
153 */
154 bnx2x_sample_bulletin(bp);
155 if (bp->old_bulletin.valid_bitmap & 1 << CHANNEL_DOWN) {
156 DP(BNX2X_MSG_IOV, "detecting channel down. Aborting message\n");
157 *done = PFVF_STATUS_SUCCESS;
ffa1cb96 158 return -EINVAL;
78c3bcc5
AE		 159 }
160
6411280a
AE		 161 /* Write message address */
162 writel(U64_LO(msg_mapping),
163 &zone_data->non_trigger.vf_pf_channel.msg_addr_lo);
164 writel(U64_HI(msg_mapping),
165 &zone_data->non_trigger.vf_pf_channel.msg_addr_hi);
166
167 /* make sure the address is written before FW accesses it */
168 wmb();
169
170 /* Trigger the PF FW */
171 writeb(1, &zone_data->trigger.vf_pf_channel.addr_valid);
172
173 /* Wait for PF to complete */
174 while ((tout >= 0) && (!*done)) {
175 msleep(interval);
176 tout -= 1;
177
178 /* progress indicator - HV can take its own sweet time in
179 * answering VFs...
180 */
181 DP_CONT(BNX2X_MSG_IOV, ".");
182 }
183
184 if (!*done) {
185 BNX2X_ERR("PF response has timed out\n");
186 return -EAGAIN;
187 }
188 DP(BNX2X_MSG_SP, "Got a response from PF\n");
189 return 0;
190}
191
732ac8ca 192static int bnx2x_get_vf_id(struct bnx2x *bp, u32 *vf_id)
6411280a
AE		 193{
194 u32 me_reg;
195 int tout = 10, interval = 100; /* Wait for 1 sec */
196
197 do {
198 /* pxp traps vf read of doorbells and returns me reg value */
199 me_reg = readl(bp->doorbells);
200 if (GOOD_ME_REG(me_reg))
201 break;
202
203 msleep(interval);
204
205 BNX2X_ERR("Invalid ME register value: 0x%08x\n. Is pf driver up?",
206 me_reg);
207 } while (tout-- > 0);
208
209 if (!GOOD_ME_REG(me_reg)) {
210 BNX2X_ERR("Invalid ME register value: 0x%08x\n", me_reg);
211 return -EINVAL;
212 }
213
c047e070 214 DP(BNX2X_MSG_IOV, "valid ME register value: 0x%08x\n", me_reg);
6411280a
AE		 215
216 *vf_id = (me_reg & ME_REG_VF_NUM_MASK) >> ME_REG_VF_NUM_SHIFT;
217
218 return 0;
219}
220
221int bnx2x_vfpf_acquire(struct bnx2x *bp, u8 tx_count, u8 rx_count)
222{
223 int rc = 0, attempts = 0;
224 struct vfpf_acquire_tlv *req = &bp->vf2pf_mbox->req.acquire;
225 struct pfvf_acquire_resp_tlv *resp = &bp->vf2pf_mbox->resp.acquire_resp;
3d7d562c 226 struct vfpf_port_phys_id_resp_tlv *phys_port_resp;
6411280a
AE		 227 u32 vf_id;
228 bool resources_acquired = false;
229
230 /* clear mailbox and prep first tlv */
231 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_ACQUIRE, sizeof(*req));
232
1d6f3cd8
DK		 233 if (bnx2x_get_vf_id(bp, &vf_id)) {
234 rc = -EAGAIN;
235 goto out;
236 }
6411280a
AE		 237
238 req->vfdev_info.vf_id = vf_id;
239 req->vfdev_info.vf_os = 0;
240
241 req->resc_request.num_rxqs = rx_count;
242 req->resc_request.num_txqs = tx_count;
243 req->resc_request.num_sbs = bp->igu_sb_cnt;
244 req->resc_request.num_mac_filters = VF_ACQUIRE_MAC_FILTERS;
245 req->resc_request.num_mc_filters = VF_ACQUIRE_MC_FILTERS;
246
247 /* pf 2 vf bulletin board address */
248 req->bulletin_addr = bp->pf2vf_bulletin_mapping;
249
3d7d562c
YM		 250 /* Request physical port identifier */
251 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length,
252 CHANNEL_TLV_PHYS_PORT_ID, sizeof(struct channel_tlv));
253
6411280a 254 /* add list termination tlv */
3d7d562c
YM		 255 bnx2x_add_tlv(bp, req,
256 req->first_tlv.tl.length + sizeof(struct channel_tlv),
257 CHANNEL_TLV_LIST_END,
6411280a
AE		 258 sizeof(struct channel_list_end_tlv));
259
260 /* output tlvs list */
261 bnx2x_dp_tlv_list(bp, req);
262
263 while (!resources_acquired) {
264 DP(BNX2X_MSG_SP, "attempting to acquire resources\n");
265
266 /* send acquire request */
267 rc = bnx2x_send_msg2pf(bp,
268 &resp->hdr.status,
269 bp->vf2pf_mbox_mapping);
270
271 /* PF timeout */
272 if (rc)
1d6f3cd8 273 goto out;
6411280a
AE		 274
275 /* copy acquire response from buffer to bp */
276 memcpy(&bp->acquire_resp, resp, sizeof(bp->acquire_resp));
277
278 attempts++;
279
16a5fd92 280 /* test whether the PF accepted our request. If not, humble
6411280a
AE		 281 * the request and try again.
282 */
283 if (bp->acquire_resp.hdr.status == PFVF_STATUS_SUCCESS) {
284 DP(BNX2X_MSG_SP, "resources acquired\n");
285 resources_acquired = true;
286 } else if (bp->acquire_resp.hdr.status ==
287 PFVF_STATUS_NO_RESOURCE &&
288 attempts < VF_ACQUIRE_THRESH) {
289 DP(BNX2X_MSG_SP,
290 "PF unwilling to fulfill resource request. Try PF recommended amount\n");
291
292 /* humble our request */
293 req->resc_request.num_txqs =
b9871bcf
AE		 294 min(req->resc_request.num_txqs,
295 bp->acquire_resp.resc.num_txqs);
6411280a 296 req->resc_request.num_rxqs =
b9871bcf
AE		 297 min(req->resc_request.num_rxqs,
298 bp->acquire_resp.resc.num_rxqs);
6411280a 299 req->resc_request.num_sbs =
b9871bcf
AE		 300 min(req->resc_request.num_sbs,
301 bp->acquire_resp.resc.num_sbs);
6411280a 302 req->resc_request.num_mac_filters =
b9871bcf
AE		 303 min(req->resc_request.num_mac_filters,
304 bp->acquire_resp.resc.num_mac_filters);
6411280a 305 req->resc_request.num_vlan_filters =
b9871bcf
AE		 306 min(req->resc_request.num_vlan_filters,
307 bp->acquire_resp.resc.num_vlan_filters);
6411280a 308 req->resc_request.num_mc_filters =
b9871bcf
AE		 309 min(req->resc_request.num_mc_filters,
310 bp->acquire_resp.resc.num_mc_filters);
6411280a
AE		 311
312 /* Clear response buffer */
313 memset(&bp->vf2pf_mbox->resp, 0,
314 sizeof(union pfvf_tlvs));
315 } else {
316 /* PF reports error */
317 BNX2X_ERR("Failed to get the requested amount of resources: %d. Breaking...\n",
318 bp->acquire_resp.hdr.status);
1d6f3cd8
DK		 319 rc = -EAGAIN;
320 goto out;
6411280a
AE		 321 }
322 }
323
3d7d562c
YM		 324 /* Retrieve physical port id (if possible) */
325 phys_port_resp = (struct vfpf_port_phys_id_resp_tlv *)
326 bnx2x_search_tlv_list(bp, resp,
327 CHANNEL_TLV_PHYS_PORT_ID);
328 if (phys_port_resp) {
329 memcpy(bp->phys_port_id, phys_port_resp->id, ETH_ALEN);
330 bp->flags |= HAS_PHYS_PORT_ID;
331 }
332
6411280a
AE		 333 /* get HW info */
334 bp->common.chip_id |= (bp->acquire_resp.pfdev_info.chip_num & 0xffff);
335 bp->link_params.chip_id = bp->common.chip_id;
336 bp->db_size = bp->acquire_resp.pfdev_info.db_size;
337 bp->common.int_block = INT_BLOCK_IGU;
338 bp->common.chip_port_mode = CHIP_2_PORT_MODE;
339 bp->igu_dsb_id = -1;
340 bp->mf_ov = 0;
341 bp->mf_mode = 0;
342 bp->common.flash_size = 0;
343 bp->flags |=
344 NO_WOL_FLAG | NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG | NO_FCOE_FLAG;
b9871bcf 345 bp->igu_sb_cnt = bp->acquire_resp.resc.num_sbs;
6411280a
AE		 346 bp->igu_base_sb = bp->acquire_resp.resc.hw_sbs[0].hw_sb_id;
347 strlcpy(bp->fw_ver, bp->acquire_resp.pfdev_info.fw_ver,
348 sizeof(bp->fw_ver));
349
350 if (is_valid_ether_addr(bp->acquire_resp.resc.current_mac_addr))
351 memcpy(bp->dev->dev_addr,
352 bp->acquire_resp.resc.current_mac_addr,
353 ETH_ALEN);
354
1d6f3cd8
DK		 355out:
356 bnx2x_vfpf_finalize(bp, &req->first_tlv);
357 return rc;
6411280a
AE		 358}
359
360int bnx2x_vfpf_release(struct bnx2x *bp)
361{
362 struct vfpf_release_tlv *req = &bp->vf2pf_mbox->req.release;
363 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
1d6f3cd8 364 u32 rc, vf_id;
6411280a
AE		 365
366 /* clear mailbox and prep first tlv */
367 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_RELEASE, sizeof(*req));
368
1d6f3cd8
DK		 369 if (bnx2x_get_vf_id(bp, &vf_id)) {
370 rc = -EAGAIN;
371 goto out;
372 }
6411280a
AE		 373
374 req->vf_id = vf_id;
375
376 /* add list termination tlv */
377 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
378 sizeof(struct channel_list_end_tlv));
379
380 /* output tlvs list */
381 bnx2x_dp_tlv_list(bp, req);
382
383 /* send release request */
384 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
385
386 if (rc)
387 /* PF timeout */
1d6f3cd8
DK		 388 goto out;
389
6411280a
AE		 390 if (resp->hdr.status == PFVF_STATUS_SUCCESS) {
391 /* PF released us */
392 DP(BNX2X_MSG_SP, "vf released\n");
393 } else {
394 /* PF reports error */
6bf07b8e 395 BNX2X_ERR("PF failed our release request - are we out of sync? Response status: %d\n",
6411280a 396 resp->hdr.status);
1d6f3cd8
DK		 397 rc = -EAGAIN;
398 goto out;
6411280a 399 }
1d6f3cd8
DK		 400out:
401 bnx2x_vfpf_finalize(bp, &req->first_tlv);
6411280a 402
1d6f3cd8 403 return rc;
6411280a
AE		 404}
405
406/* Tell PF about SB addresses */
407int bnx2x_vfpf_init(struct bnx2x *bp)
408{
409 struct vfpf_init_tlv *req = &bp->vf2pf_mbox->req.init;
410 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
411 int rc, i;
412
413 /* clear mailbox and prep first tlv */
414 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_INIT, sizeof(*req));
415
416 /* status blocks */
417 for_each_eth_queue(bp, i)
418 req->sb_addr[i] = (dma_addr_t)bnx2x_fp(bp, i,
419 status_blk_mapping);
420
421 /* statistics - requests only supports single queue for now */
422 req->stats_addr = bp->fw_stats_data_mapping +
423 offsetof(struct bnx2x_fw_stats_data, queue_stats);
424
60cad4e6
AE		 425 req->stats_stride = sizeof(struct per_queue_stats);
426
6411280a
AE		 427 /* add list termination tlv */
428 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
429 sizeof(struct channel_list_end_tlv));
430
431 /* output tlvs list */
432 bnx2x_dp_tlv_list(bp, req);
433
434 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
435 if (rc)
1d6f3cd8 436 goto out;
6411280a
AE		 437
438 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
439 BNX2X_ERR("INIT VF failed: %d. Breaking...\n",
440 resp->hdr.status);
1d6f3cd8
DK		 441 rc = -EAGAIN;
442 goto out;
6411280a
AE		 443 }
444
445 DP(BNX2X_MSG_SP, "INIT VF Succeeded\n");
1d6f3cd8
DK		 446out:
447 bnx2x_vfpf_finalize(bp, &req->first_tlv);
448
449 return rc;
6411280a
AE		 450}
451
452/* CLOSE VF - opposite to INIT_VF */
453void bnx2x_vfpf_close_vf(struct bnx2x *bp)
454{
455 struct vfpf_close_tlv *req = &bp->vf2pf_mbox->req.close;
456 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
457 int i, rc;
458 u32 vf_id;
459
460 /* If we haven't got a valid VF id, there is no sense to
461 * continue with sending messages
462 */
463 if (bnx2x_get_vf_id(bp, &vf_id))
464 goto free_irq;
465
466 /* Close the queues */
467 for_each_queue(bp, i)
468 bnx2x_vfpf_teardown_queue(bp, i);
469
f8f4f61a
DK		 470 /* remove mac */
471 bnx2x_vfpf_config_mac(bp, bp->dev->dev_addr, bp->fp->index, false);
472
6411280a
AE		 473 /* clear mailbox and prep first tlv */
474 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_CLOSE, sizeof(*req));
475
476 req->vf_id = vf_id;
477
478 /* add list termination tlv */
479 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
480 sizeof(struct channel_list_end_tlv));
481
482 /* output tlvs list */
483 bnx2x_dp_tlv_list(bp, req);
484
485 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
486
487 if (rc)
488 BNX2X_ERR("Sending CLOSE failed. rc was: %d\n", rc);
489
490 else if (resp->hdr.status != PFVF_STATUS_SUCCESS)
491 BNX2X_ERR("Sending CLOSE failed: pf response was %d\n",
492 resp->hdr.status);
493
1d6f3cd8
DK		 494 bnx2x_vfpf_finalize(bp, &req->first_tlv);
495
6411280a
AE		 496free_irq:
497 /* Disable HW interrupts, NAPI */
498 bnx2x_netif_stop(bp, 0);
499 /* Delete all NAPI objects */
500 bnx2x_del_all_napi(bp);
501
502 /* Release IRQs */
503 bnx2x_free_irq(bp);
504}
505
b9871bcf
AE		 506static void bnx2x_leading_vfq_init(struct bnx2x *bp, struct bnx2x_virtf *vf,
507 struct bnx2x_vf_queue *q)
508{
509 u8 cl_id = vfq_cl_id(vf, q);
510 u8 func_id = FW_VF_HANDLE(vf->abs_vfid);
511
512 /* mac */
513 bnx2x_init_mac_obj(bp, &q->mac_obj,
514 cl_id, q->cid, func_id,
515 bnx2x_vf_sp(bp, vf, mac_rdata),
516 bnx2x_vf_sp_map(bp, vf, mac_rdata),
517 BNX2X_FILTER_MAC_PENDING,
518 &vf->filter_state,
519 BNX2X_OBJ_TYPE_RX_TX,
520 &bp->macs_pool);
521 /* vlan */
522 bnx2x_init_vlan_obj(bp, &q->vlan_obj,
523 cl_id, q->cid, func_id,
524 bnx2x_vf_sp(bp, vf, vlan_rdata),
525 bnx2x_vf_sp_map(bp, vf, vlan_rdata),
526 BNX2X_FILTER_VLAN_PENDING,
527 &vf->filter_state,
528 BNX2X_OBJ_TYPE_RX_TX,
529 &bp->vlans_pool);
530
531 /* mcast */
532 bnx2x_init_mcast_obj(bp, &vf->mcast_obj, cl_id,
533 q->cid, func_id, func_id,
534 bnx2x_vf_sp(bp, vf, mcast_rdata),
535 bnx2x_vf_sp_map(bp, vf, mcast_rdata),
536 BNX2X_FILTER_MCAST_PENDING,
537 &vf->filter_state,
538 BNX2X_OBJ_TYPE_RX_TX);
539
540 /* rss */
541 bnx2x_init_rss_config_obj(bp, &vf->rss_conf_obj, cl_id, q->cid,
542 func_id, func_id,
543 bnx2x_vf_sp(bp, vf, rss_rdata),
544 bnx2x_vf_sp_map(bp, vf, rss_rdata),
545 BNX2X_FILTER_RSS_CONF_PENDING,
546 &vf->filter_state,
547 BNX2X_OBJ_TYPE_RX_TX);
548
549 vf->leading_rss = cl_id;
550 q->is_leading = true;
551}
552
6411280a 553/* ask the pf to open a queue for the vf */
60cad4e6
AE		 554int bnx2x_vfpf_setup_q(struct bnx2x *bp, struct bnx2x_fastpath *fp,
555 bool is_leading)
6411280a
AE		 556{
557 struct vfpf_setup_q_tlv *req = &bp->vf2pf_mbox->req.setup_q;
558 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
60cad4e6 559 u8 fp_idx = fp->index;
6411280a
AE		 560 u16 tpa_agg_size = 0, flags = 0;
561 int rc;
562
563 /* clear mailbox and prep first tlv */
564 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SETUP_Q, sizeof(*req));
565
566 /* select tpa mode to request */
567 if (!fp->disable_tpa) {
568 flags |= VFPF_QUEUE_FLG_TPA;
569 flags |= VFPF_QUEUE_FLG_TPA_IPV6;
570 if (fp->mode == TPA_MODE_GRO)
571 flags |= VFPF_QUEUE_FLG_TPA_GRO;
572 tpa_agg_size = TPA_AGG_SIZE;
573 }
574
60cad4e6
AE		 575 if (is_leading)
576 flags |= VFPF_QUEUE_FLG_LEADING_RSS;
577
6411280a
AE		 578 /* calculate queue flags */
579 flags |= VFPF_QUEUE_FLG_STATS;
580 flags |= VFPF_QUEUE_FLG_CACHE_ALIGN;
6411280a
AE		 581 flags |= VFPF_QUEUE_FLG_VLAN;
582 DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
583
584 /* Common */
585 req->vf_qid = fp_idx;
586 req->param_valid = VFPF_RXQ_VALID | VFPF_TXQ_VALID;
587
588 /* Rx */
589 req->rxq.rcq_addr = fp->rx_comp_mapping;
590 req->rxq.rcq_np_addr = fp->rx_comp_mapping + BCM_PAGE_SIZE;
591 req->rxq.rxq_addr = fp->rx_desc_mapping;
592 req->rxq.sge_addr = fp->rx_sge_mapping;
593 req->rxq.vf_sb = fp_idx;
594 req->rxq.sb_index = HC_INDEX_ETH_RX_CQ_CONS;
595 req->rxq.hc_rate = bp->rx_ticks ? 1000000/bp->rx_ticks : 0;
596 req->rxq.mtu = bp->dev->mtu;
597 req->rxq.buf_sz = fp->rx_buf_size;
598 req->rxq.sge_buf_sz = BCM_PAGE_SIZE * PAGES_PER_SGE;
599 req->rxq.tpa_agg_sz = tpa_agg_size;
600 req->rxq.max_sge_pkt = SGE_PAGE_ALIGN(bp->dev->mtu) >> SGE_PAGE_SHIFT;
601 req->rxq.max_sge_pkt = ((req->rxq.max_sge_pkt + PAGES_PER_SGE - 1) &
602 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;
603 req->rxq.flags = flags;
604 req->rxq.drop_flags = 0;
605 req->rxq.cache_line_log = BNX2X_RX_ALIGN_SHIFT;
606 req->rxq.stat_id = -1; /* No stats at the moment */
607
608 /* Tx */
609 req->txq.txq_addr = fp->txdata_ptr[FIRST_TX_COS_INDEX]->tx_desc_mapping;
610 req->txq.vf_sb = fp_idx;
611 req->txq.sb_index = HC_INDEX_ETH_TX_CQ_CONS_COS0;
612 req->txq.hc_rate = bp->tx_ticks ? 1000000/bp->tx_ticks : 0;
613 req->txq.flags = flags;
614 req->txq.traffic_type = LLFC_TRAFFIC_TYPE_NW;
615
616 /* add list termination tlv */
617 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
618 sizeof(struct channel_list_end_tlv));
619
620 /* output tlvs list */
621 bnx2x_dp_tlv_list(bp, req);
622
623 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
624 if (rc)
625 BNX2X_ERR("Sending SETUP_Q message for queue[%d] failed!\n",
626 fp_idx);
627
628 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
629 BNX2X_ERR("Status of SETUP_Q for queue[%d] is %d\n",
630 fp_idx, resp->hdr.status);
1d6f3cd8 631 rc = -EINVAL;
6411280a 632 }
1d6f3cd8
DK		 633
634 bnx2x_vfpf_finalize(bp, &req->first_tlv);
635
6411280a
AE		 636 return rc;
637}
638
a8f47eb7 639static int bnx2x_vfpf_teardown_queue(struct bnx2x *bp, int qidx)
6411280a
AE		 640{
641 struct vfpf_q_op_tlv *req = &bp->vf2pf_mbox->req.q_op;
642 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
643 int rc;
644
645 /* clear mailbox and prep first tlv */
646 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_TEARDOWN_Q,
647 sizeof(*req));
648
649 req->vf_qid = qidx;
650
651 /* add list termination tlv */
652 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
653 sizeof(struct channel_list_end_tlv));
654
655 /* output tlvs list */
656 bnx2x_dp_tlv_list(bp, req);
657
658 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
659
660 if (rc) {
661 BNX2X_ERR("Sending TEARDOWN for queue %d failed: %d\n", qidx,
662 rc);
1d6f3cd8 663 goto out;
6411280a
AE		 664 }
665
666 /* PF failed the transaction */
667 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
668 BNX2X_ERR("TEARDOWN for queue %d failed: %d\n", qidx,
669 resp->hdr.status);
1d6f3cd8 670 rc = -EINVAL;
6411280a
AE		 671 }
672
1d6f3cd8
DK		 673out:
674 bnx2x_vfpf_finalize(bp, &req->first_tlv);
675 return rc;
6411280a
AE		 676}
677
678/* request pf to add a mac for the vf */
f8f4f61a 679int bnx2x_vfpf_config_mac(struct bnx2x *bp, u8 *addr, u8 vf_qid, bool set)
6411280a
AE		 680{
681 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters;
682 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
f8f4f61a 683 struct pf_vf_bulletin_content bulletin = bp->pf2vf_bulletin->content;
1d6f3cd8 684 int rc = 0;
6411280a
AE		 685
686 /* clear mailbox and prep first tlv */
687 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS,
688 sizeof(*req));
689
690 req->flags = VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED;
f8f4f61a 691 req->vf_qid = vf_qid;
6411280a 692 req->n_mac_vlan_filters = 1;
f8f4f61a
DK		 693
694 req->filters[0].flags = VFPF_Q_FILTER_DEST_MAC_VALID;
695 if (set)
696 req->filters[0].flags |= VFPF_Q_FILTER_SET_MAC;
6411280a
AE		 697
698 /* sample bulletin board for new mac */
699 bnx2x_sample_bulletin(bp);
700
701 /* copy mac from device to request */
f8f4f61a 702 memcpy(req->filters[0].mac, addr, ETH_ALEN);
6411280a
AE		 703
704 /* add list termination tlv */
705 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
706 sizeof(struct channel_list_end_tlv));
707
708 /* output tlvs list */
709 bnx2x_dp_tlv_list(bp, req);
710
711 /* send message to pf */
712 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
713 if (rc) {
714 BNX2X_ERR("failed to send message to pf. rc was %d\n", rc);
1d6f3cd8 715 goto out;
6411280a
AE		 716 }
717
718 /* failure may mean PF was configured with a new mac for us */
719 while (resp->hdr.status == PFVF_STATUS_FAILURE) {
720 DP(BNX2X_MSG_IOV,
721 "vfpf SET MAC failed. Check bulletin board for new posts\n");
722
f8f4f61a
DK		 723 /* copy mac from bulletin to device */
724 memcpy(bp->dev->dev_addr, bulletin.mac, ETH_ALEN);
725
6411280a
AE		 726 /* check if bulletin board was updated */
727 if (bnx2x_sample_bulletin(bp) == PFVF_BULLETIN_UPDATED) {
728 /* copy mac from device to request */
729 memcpy(req->filters[0].mac, bp->dev->dev_addr,
730 ETH_ALEN);
731
732 /* send message to pf */
733 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status,
734 bp->vf2pf_mbox_mapping);
735 } else {
736 /* no new info in bulletin */
737 break;
738 }
739 }
740
741 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
742 BNX2X_ERR("vfpf SET MAC failed: %d\n", resp->hdr.status);
1d6f3cd8 743 rc = -EINVAL;
6411280a 744 }
1d6f3cd8
DK		 745out:
746 bnx2x_vfpf_finalize(bp, &req->first_tlv);
6411280a
AE		 747
748 return 0;
749}
750
60cad4e6
AE		 751/* request pf to config rss table for vf queues*/
752int bnx2x_vfpf_config_rss(struct bnx2x *bp,
753 struct bnx2x_config_rss_params *params)
754{
755 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
756 struct vfpf_rss_tlv *req = &bp->vf2pf_mbox->req.update_rss;
757 int rc = 0;
758
759 /* clear mailbox and prep first tlv */
760 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_UPDATE_RSS,
761 sizeof(*req));
762
763 /* add list termination tlv */
764 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
765 sizeof(struct channel_list_end_tlv));
766
767 memcpy(req->ind_table, params->ind_table, T_ETH_INDIRECTION_TABLE_SIZE);
768 memcpy(req->rss_key, params->rss_key, sizeof(params->rss_key));
769 req->ind_table_size = T_ETH_INDIRECTION_TABLE_SIZE;
770 req->rss_key_size = T_ETH_RSS_KEY;
771 req->rss_result_mask = params->rss_result_mask;
772
773 /* flags handled individually for backward/forward compatability */
774 if (params->rss_flags & (1 << BNX2X_RSS_MODE_DISABLED))
775 req->rss_flags |= VFPF_RSS_MODE_DISABLED;
776 if (params->rss_flags & (1 << BNX2X_RSS_MODE_REGULAR))
777 req->rss_flags |= VFPF_RSS_MODE_REGULAR;
778 if (params->rss_flags & (1 << BNX2X_RSS_SET_SRCH))
779 req->rss_flags |= VFPF_RSS_SET_SRCH;
780 if (params->rss_flags & (1 << BNX2X_RSS_IPV4))
781 req->rss_flags |= VFPF_RSS_IPV4;
782 if (params->rss_flags & (1 << BNX2X_RSS_IPV4_TCP))
783 req->rss_flags |= VFPF_RSS_IPV4_TCP;
784 if (params->rss_flags & (1 << BNX2X_RSS_IPV4_UDP))
785 req->rss_flags |= VFPF_RSS_IPV4_UDP;
786 if (params->rss_flags & (1 << BNX2X_RSS_IPV6))
787 req->rss_flags |= VFPF_RSS_IPV6;
788 if (params->rss_flags & (1 << BNX2X_RSS_IPV6_TCP))
789 req->rss_flags |= VFPF_RSS_IPV6_TCP;
790 if (params->rss_flags & (1 << BNX2X_RSS_IPV6_UDP))
791 req->rss_flags |= VFPF_RSS_IPV6_UDP;
792
793 DP(BNX2X_MSG_IOV, "rss flags %x\n", req->rss_flags);
794
795 /* output tlvs list */
796 bnx2x_dp_tlv_list(bp, req);
797
798 /* send message to pf */
799 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
800 if (rc) {
801 BNX2X_ERR("failed to send message to pf. rc was %d\n", rc);
802 goto out;
803 }
804
805 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
31b3523c
YM		 806 /* Since older drivers don't support this feature (and VF has
807 * no way of knowing other than failing this), don't propagate
808 * an error in this case.
809 */
810 DP(BNX2X_MSG_IOV,
811 "Failed to send rss message to PF over VF-PF channel [%d]\n",
812 resp->hdr.status);
60cad4e6
AE		 813 }
814out:
815 bnx2x_vfpf_finalize(bp, &req->first_tlv);
816
31b3523c 817 return rc;
60cad4e6
AE		 818}
819
6411280a
AE		 820int bnx2x_vfpf_set_mcast(struct net_device *dev)
821{
822 struct bnx2x *bp = netdev_priv(dev);
823 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters;
824 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
825 int rc, i = 0;
826 struct netdev_hw_addr *ha;
827
828 if (bp->state != BNX2X_STATE_OPEN) {
829 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
830 return -EINVAL;
831 }
832
833 /* clear mailbox and prep first tlv */
834 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS,
835 sizeof(*req));
836
837 /* Get Rx mode requested */
838 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
839
840 netdev_for_each_mc_addr(ha, dev) {
841 DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n",
842 bnx2x_mc_addr(ha));
843 memcpy(req->multicast[i], bnx2x_mc_addr(ha), ETH_ALEN);
844 i++;
845 }
846
847 /* We support four PFVF_MAX_MULTICAST_PER_VF mcast
848 * addresses tops
849 */
850 if (i >= PFVF_MAX_MULTICAST_PER_VF) {
851 DP(NETIF_MSG_IFUP,
852 "VF supports not more than %d multicast MAC addresses\n",
853 PFVF_MAX_MULTICAST_PER_VF);
854 return -EINVAL;
855 }
856
857 req->n_multicast = i;
858 req->flags |= VFPF_SET_Q_FILTERS_MULTICAST_CHANGED;
859 req->vf_qid = 0;
860
861 /* add list termination tlv */
862 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
863 sizeof(struct channel_list_end_tlv));
864
865 /* output tlvs list */
866 bnx2x_dp_tlv_list(bp, req);
867 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
868 if (rc) {
869 BNX2X_ERR("Sending a message failed: %d\n", rc);
1d6f3cd8 870 goto out;
6411280a
AE		 871 }
872
873 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
874 BNX2X_ERR("Set Rx mode/multicast failed: %d\n",
875 resp->hdr.status);
1d6f3cd8 876 rc = -EINVAL;
6411280a 877 }
1d6f3cd8
DK		 878out:
879 bnx2x_vfpf_finalize(bp, &req->first_tlv);
6411280a
AE		 880
881 return 0;
882}
883
884int bnx2x_vfpf_storm_rx_mode(struct bnx2x *bp)
885{
886 int mode = bp->rx_mode;
887 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters;
888 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
889 int rc;
890
891 /* clear mailbox and prep first tlv */
892 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS,
893 sizeof(*req));
894
895 DP(NETIF_MSG_IFUP, "Rx mode is %d\n", mode);
896
897 switch (mode) {
898 case BNX2X_RX_MODE_NONE: /* no Rx */
899 req->rx_mask = VFPF_RX_MASK_ACCEPT_NONE;
900 break;
901 case BNX2X_RX_MODE_NORMAL:
902 req->rx_mask = VFPF_RX_MASK_ACCEPT_MATCHED_MULTICAST;
903 req->rx_mask |= VFPF_RX_MASK_ACCEPT_MATCHED_UNICAST;
904 req->rx_mask |= VFPF_RX_MASK_ACCEPT_BROADCAST;
905 break;
906 case BNX2X_RX_MODE_ALLMULTI:
907 req->rx_mask = VFPF_RX_MASK_ACCEPT_ALL_MULTICAST;
908 req->rx_mask |= VFPF_RX_MASK_ACCEPT_MATCHED_UNICAST;
909 req->rx_mask |= VFPF_RX_MASK_ACCEPT_BROADCAST;
910 break;
911 case BNX2X_RX_MODE_PROMISC:
912 req->rx_mask = VFPF_RX_MASK_ACCEPT_ALL_UNICAST;
913 req->rx_mask |= VFPF_RX_MASK_ACCEPT_ALL_MULTICAST;
914 req->rx_mask |= VFPF_RX_MASK_ACCEPT_BROADCAST;
915 break;
916 default:
917 BNX2X_ERR("BAD rx mode (%d)\n", mode);
1d6f3cd8
DK		 918 rc = -EINVAL;
919 goto out;
6411280a
AE		 920 }
921
922 req->flags |= VFPF_SET_Q_FILTERS_RX_MASK_CHANGED;
923 req->vf_qid = 0;
924
925 /* add list termination tlv */
926 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
927 sizeof(struct channel_list_end_tlv));
928
929 /* output tlvs list */
930 bnx2x_dp_tlv_list(bp, req);
931
932 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
933 if (rc)
934 BNX2X_ERR("Sending a message failed: %d\n", rc);
935
936 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
937 BNX2X_ERR("Set Rx mode failed: %d\n", resp->hdr.status);
1d6f3cd8 938 rc = -EINVAL;
6411280a 939 }
1d6f3cd8
DK		 940out:
941 bnx2x_vfpf_finalize(bp, &req->first_tlv);
6411280a
AE		 942
943 return rc;
944}
945
b56e9670
AE		 946/* General service functions */
947static void storm_memset_vf_mbx_ack(struct bnx2x *bp, u16 abs_fid)
948{
949 u32 addr = BAR_CSTRORM_INTMEM +
950 CSTORM_VF_PF_CHANNEL_STATE_OFFSET(abs_fid);
951
952 REG_WR8(bp, addr, VF_PF_CHANNEL_STATE_READY);
953}
954
955static void storm_memset_vf_mbx_valid(struct bnx2x *bp, u16 abs_fid)
956{
957 u32 addr = BAR_CSTRORM_INTMEM +
958 CSTORM_VF_PF_CHANNEL_VALID_OFFSET(abs_fid);
959
960 REG_WR8(bp, addr, 1);
961}
962
963static inline void bnx2x_set_vf_mbxs_valid(struct bnx2x *bp)
964{
965 int i;
966
967 for_each_vf(bp, i)
968 storm_memset_vf_mbx_valid(bp, bnx2x_vf(bp, i, abs_vfid));
969}
970
16a5fd92 971/* enable vf_pf mailbox (aka vf-pf-channel) */
b56e9670
AE		 972void bnx2x_vf_enable_mbx(struct bnx2x *bp, u8 abs_vfid)
973{
974 bnx2x_vf_flr_clnup_epilog(bp, abs_vfid);
975
976 /* enable the mailbox in the FW */
977 storm_memset_vf_mbx_ack(bp, abs_vfid);
978 storm_memset_vf_mbx_valid(bp, abs_vfid);
979
980 /* enable the VF access to the mailbox */
981 bnx2x_vf_enable_access(bp, abs_vfid);
982}
fd1fc79d
AE		 983
984/* this works only on !E1h */
985static int bnx2x_copy32_vf_dmae(struct bnx2x *bp, u8 from_vf,
986 dma_addr_t pf_addr, u8 vfid, u32 vf_addr_hi,
987 u32 vf_addr_lo, u32 len32)
988{
989 struct dmae_command dmae;
990
991 if (CHIP_IS_E1x(bp)) {
992 BNX2X_ERR("Chip revision does not support VFs\n");
993 return DMAE_NOT_RDY;
994 }
995
996 if (!bp->dmae_ready) {
997 BNX2X_ERR("DMAE is not ready, can not copy\n");
998 return DMAE_NOT_RDY;
999 }
1000
1001 /* set opcode and fixed command fields */
1002 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_PCI);
1003
1004 if (from_vf) {
1005 dmae.opcode_iov = (vfid << DMAE_COMMAND_SRC_VFID_SHIFT) |
1006 (DMAE_SRC_VF << DMAE_COMMAND_SRC_VFPF_SHIFT) |
1007 (DMAE_DST_PF << DMAE_COMMAND_DST_VFPF_SHIFT);
1008
1009 dmae.opcode |= (DMAE_C_DST << DMAE_COMMAND_C_FUNC_SHIFT);
1010
1011 dmae.src_addr_lo = vf_addr_lo;
1012 dmae.src_addr_hi = vf_addr_hi;
1013 dmae.dst_addr_lo = U64_LO(pf_addr);
1014 dmae.dst_addr_hi = U64_HI(pf_addr);
1015 } else {
1016 dmae.opcode_iov = (vfid << DMAE_COMMAND_DST_VFID_SHIFT) |
1017 (DMAE_DST_VF << DMAE_COMMAND_DST_VFPF_SHIFT) |
1018 (DMAE_SRC_PF << DMAE_COMMAND_SRC_VFPF_SHIFT);
1019
1020 dmae.opcode |= (DMAE_C_SRC << DMAE_COMMAND_C_FUNC_SHIFT);
1021
1022 dmae.src_addr_lo = U64_LO(pf_addr);
1023 dmae.src_addr_hi = U64_HI(pf_addr);
1024 dmae.dst_addr_lo = vf_addr_lo;
1025 dmae.dst_addr_hi = vf_addr_hi;
1026 }
1027 dmae.len = len32;
fd1fc79d
AE		 1028
1029 /* issue the command and wait for completion */
32316a46 1030 return bnx2x_issue_dmae_with_comp(bp, &dmae, bnx2x_sp(bp, wb_comp));
fd1fc79d
AE		 1031}
1032
3d7d562c
YM		 1033static void bnx2x_vf_mbx_resp_single_tlv(struct bnx2x *bp,
1034 struct bnx2x_virtf *vf)
8ca5e17e
AE		 1035{
1036 struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf->index);
8ca5e17e 1037 u16 length, type;
8ca5e17e
AE		 1038
1039 /* prepare response */
1040 type = mbx->first_tlv.tl.type;
1041 length = type == CHANNEL_TLV_ACQUIRE ?
1042 sizeof(struct pfvf_acquire_resp_tlv) :
1043 sizeof(struct pfvf_general_resp_tlv);
3d7d562c
YM		 1044 bnx2x_add_tlv(bp, &mbx->msg->resp, 0, type, length);
1045 bnx2x_add_tlv(bp, &mbx->msg->resp, length, CHANNEL_TLV_LIST_END,
8ca5e17e 1046 sizeof(struct channel_list_end_tlv));
3d7d562c
YM		 1047}
1048
1049static void bnx2x_vf_mbx_resp_send_msg(struct bnx2x *bp,
1050 struct bnx2x_virtf *vf)
1051{
1052 struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf->index);
1053 struct pfvf_general_resp_tlv *resp = &mbx->msg->resp.general_resp;
1054 dma_addr_t pf_addr;
1055 u64 vf_addr;
1056 int rc;
1057
8ca5e17e
AE		 1058 bnx2x_dp_tlv_list(bp, resp);
1059 DP(BNX2X_MSG_IOV, "mailbox vf address hi 0x%x, lo 0x%x, offset 0x%x\n",
1060 mbx->vf_addr_hi, mbx->vf_addr_lo, mbx->first_tlv.resp_msg_offset);
1061
3d7d562c
YM		 1062 resp->hdr.status = bnx2x_pfvf_status_codes(vf->op_rc);
1063
8ca5e17e
AE		 1064 /* send response */
1065 vf_addr = HILO_U64(mbx->vf_addr_hi, mbx->vf_addr_lo) +
1066 mbx->first_tlv.resp_msg_offset;
1067 pf_addr = mbx->msg_mapping +
1068 offsetof(struct bnx2x_vf_mbx_msg, resp);
1069
3d7d562c
YM		 1070 /* Copy the response buffer. The first u64 is written afterwards, as
1071 * the vf is sensitive to the header being written
8ca5e17e 1072 */
3d7d562c
YM		 1073 vf_addr += sizeof(u64);
1074 pf_addr += sizeof(u64);
1075 rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, vf->abs_vfid,
1076 U64_HI(vf_addr),
1077 U64_LO(vf_addr),
1078 (sizeof(union pfvf_tlvs) - sizeof(u64))/4);
1079 if (rc) {
1080 BNX2X_ERR("Failed to copy response body to VF %d\n",
1081 vf->abs_vfid);
1082 goto mbx_error;
8ca5e17e 1083 }
3d7d562c
YM		 1084 vf_addr -= sizeof(u64);
1085 pf_addr -= sizeof(u64);
8ca5e17e
AE		 1086
1087 /* ack the FW */
1088 storm_memset_vf_mbx_ack(bp, vf->abs_vfid);
1089 mmiowb();
1090
1091 /* initiate dmae to send the response */
1092 mbx->flags &= ~VF_MSG_INPROCESS;
1093
1094 /* copy the response header including status-done field,
1095 * must be last dmae, must be after FW is acked
1096 */
1097 rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, vf->abs_vfid,
1098 U64_HI(vf_addr),
1099 U64_LO(vf_addr),
1100 sizeof(u64)/4);
1101
1102 /* unlock channel mutex */
1103 bnx2x_unlock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type);
1104
1105 if (rc) {
1106 BNX2X_ERR("Failed to copy response status to VF %d\n",
1107 vf->abs_vfid);
f1929b01 1108 goto mbx_error;
8ca5e17e
AE		 1109 }
1110 return;
f1929b01
AE		 1111
1112mbx_error:
1113 bnx2x_vf_release(bp, vf, false); /* non blocking */
8ca5e17e
AE		 1114}
1115
3d7d562c
YM		 1116static void bnx2x_vf_mbx_resp(struct bnx2x *bp,
1117 struct bnx2x_virtf *vf)
1118{
1119 bnx2x_vf_mbx_resp_single_tlv(bp, vf);
1120 bnx2x_vf_mbx_resp_send_msg(bp, vf);
1121}
1122
1123static void bnx2x_vf_mbx_resp_phys_port(struct bnx2x *bp,
1124 struct bnx2x_virtf *vf,
1125 void *buffer,
1126 u16 *offset)
1127{
1128 struct vfpf_port_phys_id_resp_tlv *port_id;
1129
1130 if (!(bp->flags & HAS_PHYS_PORT_ID))
1131 return;
1132
1133 bnx2x_add_tlv(bp, buffer, *offset, CHANNEL_TLV_PHYS_PORT_ID,
1134 sizeof(struct vfpf_port_phys_id_resp_tlv));
1135
1136 port_id = (struct vfpf_port_phys_id_resp_tlv *)
1137 (((u8 *)buffer) + *offset);
1138 memcpy(port_id->id, bp->phys_port_id, ETH_ALEN);
1139
1140 /* Offset should continue representing the offset to the tail
1141 * of TLV data (outside this function scope)
1142 */
1143 *offset += sizeof(struct vfpf_port_phys_id_resp_tlv);
1144}
1145
8ca5e17e
AE		 1146static void bnx2x_vf_mbx_acquire_resp(struct bnx2x *bp, struct bnx2x_virtf *vf,
1147 struct bnx2x_vf_mbx *mbx, int vfop_status)
1148{
1149 int i;
1150 struct pfvf_acquire_resp_tlv *resp = &mbx->msg->resp.acquire_resp;
1151 struct pf_vf_resc *resc = &resp->resc;
1152 u8 status = bnx2x_pfvf_status_codes(vfop_status);
3d7d562c 1153 u16 length;
8ca5e17e
AE		 1154
1155 memset(resp, 0, sizeof(*resp));
1156
1157 /* fill in pfdev info */
1158 resp->pfdev_info.chip_num = bp->common.chip_id;
b9871bcf 1159 resp->pfdev_info.db_size = bp->db_size;
8ca5e17e
AE		 1160 resp->pfdev_info.indices_per_sb = HC_SB_MAX_INDICES_E2;
1161 resp->pfdev_info.pf_cap = (PFVF_CAP_RSS |
14a94ebd
MK		 1162 PFVF_CAP_TPA |
1163 PFVF_CAP_TPA_UPDATE);
8ca5e17e
AE		 1164 bnx2x_fill_fw_str(bp, resp->pfdev_info.fw_ver,
1165 sizeof(resp->pfdev_info.fw_ver));
1166
1167 if (status == PFVF_STATUS_NO_RESOURCE ||
1168 status == PFVF_STATUS_SUCCESS) {
1169 /* set resources numbers, if status equals NO_RESOURCE these
1170 * are max possible numbers
1171 */
1172 resc->num_rxqs = vf_rxq_count(vf) ? :
1173 bnx2x_vf_max_queue_cnt(bp, vf);
1174 resc->num_txqs = vf_txq_count(vf) ? :
1175 bnx2x_vf_max_queue_cnt(bp, vf);
1176 resc->num_sbs = vf_sb_count(vf);
1177 resc->num_mac_filters = vf_mac_rules_cnt(vf);
1178 resc->num_vlan_filters = vf_vlan_rules_cnt(vf);
1179 resc->num_mc_filters = 0;
1180
1181 if (status == PFVF_STATUS_SUCCESS) {
abc5a021
AE		 1182 /* fill in the allocated resources */
1183 struct pf_vf_bulletin_content *bulletin =
1184 BP_VF_BULLETIN(bp, vf->index);
1185
8ca5e17e
AE		 1186 for_each_vfq(vf, i)
1187 resc->hw_qid[i] =
1188 vfq_qzone_id(vf, vfq_get(vf, i));
1189
1190 for_each_vf_sb(vf, i) {
1191 resc->hw_sbs[i].hw_sb_id = vf_igu_sb(vf, i);
1192 resc->hw_sbs[i].sb_qid = vf_hc_qzone(vf, i);
1193 }
abc5a021
AE		 1194
1195 /* if a mac has been set for this vf, supply it */
1196 if (bulletin->valid_bitmap & 1 << MAC_ADDR_VALID) {
1197 memcpy(resc->current_mac_addr, bulletin->mac,
1198 ETH_ALEN);
1199 }
8ca5e17e
AE		 1200 }
1201 }
1202
1203 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"
1204 "resources- n_rxq-%d, n_txq-%d, n_sbs-%d, n_macs-%d, n_vlans-%d, n_mcs-%d, fw_ver: '%s'\n",
1205 vf->abs_vfid,
1206 resp->pfdev_info.chip_num,
1207 resp->pfdev_info.db_size,
1208 resp->pfdev_info.indices_per_sb,
1209 resp->pfdev_info.pf_cap,
1210 resc->num_rxqs,
1211 resc->num_txqs,
1212 resc->num_sbs,
1213 resc->num_mac_filters,
1214 resc->num_vlan_filters,
1215 resc->num_mc_filters,
1216 resp->pfdev_info.fw_ver);
1217
1218 DP_CONT(BNX2X_MSG_IOV, "hw_qids- [ ");
1219 for (i = 0; i < vf_rxq_count(vf); i++)
1220 DP_CONT(BNX2X_MSG_IOV, "%d ", resc->hw_qid[i]);
1221 DP_CONT(BNX2X_MSG_IOV, "], sb_info- [ ");
1222 for (i = 0; i < vf_sb_count(vf); i++)
1223 DP_CONT(BNX2X_MSG_IOV, "%d:%d ",
1224 resc->hw_sbs[i].hw_sb_id,
1225 resc->hw_sbs[i].sb_qid);
1226 DP_CONT(BNX2X_MSG_IOV, "]\n");
1227
3d7d562c
YM		 1228 /* prepare response */
1229 length = sizeof(struct pfvf_acquire_resp_tlv);
1230 bnx2x_add_tlv(bp, &mbx->msg->resp, 0, CHANNEL_TLV_ACQUIRE, length);
1231
1232 /* Handle possible VF requests for physical port identifiers.
1233 * 'length' should continue to indicate the offset of the first empty
1234 * place in the buffer (i.e., where next TLV should be inserted)
1235 */
1236 if (bnx2x_search_tlv_list(bp, &mbx->msg->req,
1237 CHANNEL_TLV_PHYS_PORT_ID))
1238 bnx2x_vf_mbx_resp_phys_port(bp, vf, &mbx->msg->resp, &length);
1239
1240 bnx2x_add_tlv(bp, &mbx->msg->resp, length, CHANNEL_TLV_LIST_END,
1241 sizeof(struct channel_list_end_tlv));
1242
8ca5e17e
AE		 1243 /* send the response */
1244 vf->op_rc = vfop_status;
3d7d562c 1245 bnx2x_vf_mbx_resp_send_msg(bp, vf);
8ca5e17e
AE		 1246}
1247
1248static void bnx2x_vf_mbx_acquire(struct bnx2x *bp, struct bnx2x_virtf *vf,
1249 struct bnx2x_vf_mbx *mbx)
1250{
1251 int rc;
1252 struct vfpf_acquire_tlv *acquire = &mbx->msg->req.acquire;
1253
1254 /* log vfdef info */
1255 DP(BNX2X_MSG_IOV,
1256 "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",
1257 vf->abs_vfid, acquire->vfdev_info.vf_id, acquire->vfdev_info.vf_os,
1258 acquire->resc_request.num_rxqs, acquire->resc_request.num_txqs,
1259 acquire->resc_request.num_sbs, acquire->resc_request.num_mac_filters,
1260 acquire->resc_request.num_vlan_filters,
1261 acquire->resc_request.num_mc_filters);
1262
1263 /* acquire the resources */
1264 rc = bnx2x_vf_acquire(bp, vf, &acquire->resc_request);
1265
abc5a021
AE		 1266 /* store address of vf's bulletin board */
1267 vf->bulletin_map = acquire->bulletin_addr;
1268
8ca5e17e
AE		 1269 /* response */
1270 bnx2x_vf_mbx_acquire_resp(bp, vf, mbx, rc);
1271}
1272
b93288d5
AE		 1273static void bnx2x_vf_mbx_init_vf(struct bnx2x *bp, struct bnx2x_virtf *vf,
1274 struct bnx2x_vf_mbx *mbx)
1275{
1276 struct vfpf_init_tlv *init = &mbx->msg->req.init;
1277
1278 /* record ghost addresses from vf message */
1279 vf->spq_map = init->spq_addr;
1280 vf->fw_stat_map = init->stats_addr;
b9871bcf 1281 vf->stats_stride = init->stats_stride;
b93288d5
AE		 1282 vf->op_rc = bnx2x_vf_init(bp, vf, (dma_addr_t *)init->sb_addr);
1283
b9871bcf
AE		 1284 /* set VF multiqueue statistics collection mode */
1285 if (init->flags & VFPF_INIT_FLG_STATS_COALESCE)
1286 vf->cfg_flags |= VF_CFG_STATS_COALESCE;
1287
b93288d5
AE		 1288 /* response */
1289 bnx2x_vf_mbx_resp(bp, vf);
1290}
1291
8db573ba 1292/* convert MBX queue-flags to standard SP queue-flags */
21776537 1293static void bnx2x_vf_mbx_set_q_flags(struct bnx2x *bp, u32 mbx_q_flags,
8db573ba
AE		 1294 unsigned long *sp_q_flags)
1295{
1296 if (mbx_q_flags & VFPF_QUEUE_FLG_TPA)
1297 __set_bit(BNX2X_Q_FLG_TPA, sp_q_flags);
1298 if (mbx_q_flags & VFPF_QUEUE_FLG_TPA_IPV6)
1299 __set_bit(BNX2X_Q_FLG_TPA_IPV6, sp_q_flags);
1300 if (mbx_q_flags & VFPF_QUEUE_FLG_TPA_GRO)
1301 __set_bit(BNX2X_Q_FLG_TPA_GRO, sp_q_flags);
1302 if (mbx_q_flags & VFPF_QUEUE_FLG_STATS)
1303 __set_bit(BNX2X_Q_FLG_STATS, sp_q_flags);
8db573ba
AE		 1304 if (mbx_q_flags & VFPF_QUEUE_FLG_VLAN)
1305 __set_bit(BNX2X_Q_FLG_VLAN, sp_q_flags);
1306 if (mbx_q_flags & VFPF_QUEUE_FLG_COS)
1307 __set_bit(BNX2X_Q_FLG_COS, sp_q_flags);
1308 if (mbx_q_flags & VFPF_QUEUE_FLG_HC)
1309 __set_bit(BNX2X_Q_FLG_HC, sp_q_flags);
1310 if (mbx_q_flags & VFPF_QUEUE_FLG_DHC)
1311 __set_bit(BNX2X_Q_FLG_DHC, sp_q_flags);
b9871bcf
AE		 1312 if (mbx_q_flags & VFPF_QUEUE_FLG_LEADING_RSS)
1313 __set_bit(BNX2X_Q_FLG_LEADING_RSS, sp_q_flags);
21776537 1314
16a5fd92 1315 /* outer vlan removal is set according to PF's multi function mode */
21776537
AE		 1316 if (IS_MF_SD(bp))
1317 __set_bit(BNX2X_Q_FLG_OV, sp_q_flags);
8db573ba
AE		 1318}
1319
1320static void bnx2x_vf_mbx_setup_q(struct bnx2x *bp, struct bnx2x_virtf *vf,
1321 struct bnx2x_vf_mbx *mbx)
1322{
1323 struct vfpf_setup_q_tlv *setup_q = &mbx->msg->req.setup_q;
1324 struct bnx2x_vfop_cmd cmd = {
1325 .done = bnx2x_vf_mbx_resp,
1326 .block = false,
1327 };
1328
1329 /* verify vf_qid */
1330 if (setup_q->vf_qid >= vf_rxq_count(vf)) {
1331 BNX2X_ERR("vf_qid %d invalid, max queue count is %d\n",
1332 setup_q->vf_qid, vf_rxq_count(vf));
1333 vf->op_rc = -EINVAL;
1334 goto response;
1335 }
1336
1337 /* tx queues must be setup alongside rx queues thus if the rx queue
1338 * is not marked as valid there's nothing to do.
1339 */
1340 if (setup_q->param_valid & (VFPF_RXQ_VALID|VFPF_TXQ_VALID)) {
1341 struct bnx2x_vf_queue *q = vfq_get(vf, setup_q->vf_qid);
1342 unsigned long q_type = 0;
1343
1344 struct bnx2x_queue_init_params *init_p;
1345 struct bnx2x_queue_setup_params *setup_p;
1346
b9871bcf
AE		 1347 if (bnx2x_vfq_is_leading(q))
1348 bnx2x_leading_vfq_init(bp, vf, q);
1349
16a5fd92 1350 /* re-init the VF operation context */
8db573ba
AE		 1351 memset(&vf->op_params.qctor, 0 , sizeof(vf->op_params.qctor));
1352 setup_p = &vf->op_params.qctor.prep_qsetup;
1353 init_p = &vf->op_params.qctor.qstate.params.init;
1354
1355 /* activate immediately */
1356 __set_bit(BNX2X_Q_FLG_ACTIVE, &setup_p->flags);
1357
1358 if (setup_q->param_valid & VFPF_TXQ_VALID) {
1359 struct bnx2x_txq_setup_params *txq_params =
1360 &setup_p->txq_params;
1361
1362 __set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type);
1363
1364 /* save sb resource index */
1365 q->sb_idx = setup_q->txq.vf_sb;
1366
1367 /* tx init */
1368 init_p->tx.hc_rate = setup_q->txq.hc_rate;
1369 init_p->tx.sb_cq_index = setup_q->txq.sb_index;
1370
21776537 1371 bnx2x_vf_mbx_set_q_flags(bp, setup_q->txq.flags,
8db573ba
AE		 1372 &init_p->tx.flags);
1373
1374 /* tx setup - flags */
21776537 1375 bnx2x_vf_mbx_set_q_flags(bp, setup_q->txq.flags,
8db573ba
AE		 1376 &setup_p->flags);
1377
1378 /* tx setup - general, nothing */
1379
1380 /* tx setup - tx */
1381 txq_params->dscr_map = setup_q->txq.txq_addr;
1382 txq_params->sb_cq_index = setup_q->txq.sb_index;
1383 txq_params->traffic_type = setup_q->txq.traffic_type;
1384
1385 bnx2x_vfop_qctor_dump_tx(bp, vf, init_p, setup_p,
1386 q->index, q->sb_idx);
1387 }
1388
1389 if (setup_q->param_valid & VFPF_RXQ_VALID) {
1390 struct bnx2x_rxq_setup_params *rxq_params =
1391 &setup_p->rxq_params;
1392
1393 __set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type);
1394
1395 /* Note: there is no support for different SBs
1396 * for TX and RX
1397 */
1398 q->sb_idx = setup_q->rxq.vf_sb;
1399
1400 /* rx init */
1401 init_p->rx.hc_rate = setup_q->rxq.hc_rate;
1402 init_p->rx.sb_cq_index = setup_q->rxq.sb_index;
21776537 1403 bnx2x_vf_mbx_set_q_flags(bp, setup_q->rxq.flags,
8db573ba
AE		 1404 &init_p->rx.flags);
1405
1406 /* rx setup - flags */
21776537 1407 bnx2x_vf_mbx_set_q_flags(bp, setup_q->rxq.flags,
8db573ba
AE		 1408 &setup_p->flags);
1409
1410 /* rx setup - general */
1411 setup_p->gen_params.mtu = setup_q->rxq.mtu;
1412
1413 /* rx setup - rx */
1414 rxq_params->drop_flags = setup_q->rxq.drop_flags;
1415 rxq_params->dscr_map = setup_q->rxq.rxq_addr;
1416 rxq_params->sge_map = setup_q->rxq.sge_addr;
1417 rxq_params->rcq_map = setup_q->rxq.rcq_addr;
1418 rxq_params->rcq_np_map = setup_q->rxq.rcq_np_addr;
1419 rxq_params->buf_sz = setup_q->rxq.buf_sz;
1420 rxq_params->tpa_agg_sz = setup_q->rxq.tpa_agg_sz;
1421 rxq_params->max_sges_pkt = setup_q->rxq.max_sge_pkt;
1422 rxq_params->sge_buf_sz = setup_q->rxq.sge_buf_sz;
1423 rxq_params->cache_line_log =
1424 setup_q->rxq.cache_line_log;
1425 rxq_params->sb_cq_index = setup_q->rxq.sb_index;
1426
858f4deb
YM		 1427 /* rx setup - multicast engine */
1428 if (bnx2x_vfq_is_leading(q)) {
1429 u8 mcast_id = FW_VF_HANDLE(vf->abs_vfid);
1430
1431 rxq_params->mcast_engine_id = mcast_id;
1432 __set_bit(BNX2X_Q_FLG_MCAST, &setup_p->flags);
1433 }
1434
8db573ba
AE		 1435 bnx2x_vfop_qctor_dump_rx(bp, vf, init_p, setup_p,
1436 q->index, q->sb_idx);
1437 }
1438 /* complete the preparations */
1439 bnx2x_vfop_qctor_prep(bp, vf, q, &vf->op_params.qctor, q_type);
1440
1441 vf->op_rc = bnx2x_vfop_qsetup_cmd(bp, vf, &cmd, q->index);
1442 if (vf->op_rc)
1443 goto response;
1444 return;
1445 }
1446response:
1447 bnx2x_vf_mbx_resp(bp, vf);
1448}
1449
954ea748
AE		 1450enum bnx2x_vfop_filters_state {
1451 BNX2X_VFOP_MBX_Q_FILTERS_MACS,
1452 BNX2X_VFOP_MBX_Q_FILTERS_VLANS,
1453 BNX2X_VFOP_MBX_Q_FILTERS_RXMODE,
1454 BNX2X_VFOP_MBX_Q_FILTERS_MCAST,
1455 BNX2X_VFOP_MBX_Q_FILTERS_DONE
1456};
1457
1458static int bnx2x_vf_mbx_macvlan_list(struct bnx2x *bp,
1459 struct bnx2x_virtf *vf,
1460 struct vfpf_set_q_filters_tlv *tlv,
1461 struct bnx2x_vfop_filters **pfl,
1462 u32 type_flag)
1463{
1464 int i, j;
1465 struct bnx2x_vfop_filters *fl = NULL;
1466 size_t fsz;
1467
1468 fsz = tlv->n_mac_vlan_filters * sizeof(struct bnx2x_vfop_filter) +
1469 sizeof(struct bnx2x_vfop_filters);
1470
1471 fl = kzalloc(fsz, GFP_KERNEL);
1472 if (!fl)
1473 return -ENOMEM;
1474
1475 INIT_LIST_HEAD(&fl->head);
1476
1477 for (i = 0, j = 0; i < tlv->n_mac_vlan_filters; i++) {
1478 struct vfpf_q_mac_vlan_filter *msg_filter = &tlv->filters[i];
1479
1480 if ((msg_filter->flags & type_flag) != type_flag)
1481 continue;
1482 if (type_flag == VFPF_Q_FILTER_DEST_MAC_VALID) {
1483 fl->filters[j].mac = msg_filter->mac;
1484 fl->filters[j].type = BNX2X_VFOP_FILTER_MAC;
1485 } else {
1486 fl->filters[j].vid = msg_filter->vlan_tag;
1487 fl->filters[j].type = BNX2X_VFOP_FILTER_VLAN;
1488 }
1489 fl->filters[j].add =
1490 (msg_filter->flags & VFPF_Q_FILTER_SET_MAC) ?
1491 true : false;
1492 list_add_tail(&fl->filters[j++].link, &fl->head);
1493 }
1494 if (list_empty(&fl->head))
1495 kfree(fl);
1496 else
1497 *pfl = fl;
1498
1499 return 0;
1500}
1501
1502static void bnx2x_vf_mbx_dp_q_filter(struct bnx2x *bp, int msglvl, int idx,
1503 struct vfpf_q_mac_vlan_filter *filter)
1504{
1505 DP(msglvl, "MAC-VLAN[%d] -- flags=0x%x\n", idx, filter->flags);
1506 if (filter->flags & VFPF_Q_FILTER_VLAN_TAG_VALID)
1507 DP_CONT(msglvl, ", vlan=%d", filter->vlan_tag);
1508 if (filter->flags & VFPF_Q_FILTER_DEST_MAC_VALID)
1509 DP_CONT(msglvl, ", MAC=%pM", filter->mac);
1510 DP_CONT(msglvl, "\n");
1511}
1512
1513static void bnx2x_vf_mbx_dp_q_filters(struct bnx2x *bp, int msglvl,
1514 struct vfpf_set_q_filters_tlv *filters)
1515{
1516 int i;
1517
1518 if (filters->flags & VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED)
1519 for (i = 0; i < filters->n_mac_vlan_filters; i++)
1520 bnx2x_vf_mbx_dp_q_filter(bp, msglvl, i,
1521 &filters->filters[i]);
1522
1523 if (filters->flags & VFPF_SET_Q_FILTERS_RX_MASK_CHANGED)
1524 DP(msglvl, "RX-MASK=0x%x\n", filters->rx_mask);
1525
1526 if (filters->flags & VFPF_SET_Q_FILTERS_MULTICAST_CHANGED)
1527 for (i = 0; i < filters->n_multicast; i++)
1528 DP(msglvl, "MULTICAST=%pM\n", filters->multicast[i]);
1529}
1530
1531#define VFPF_MAC_FILTER VFPF_Q_FILTER_DEST_MAC_VALID
1532#define VFPF_VLAN_FILTER VFPF_Q_FILTER_VLAN_TAG_VALID
1533
1534static void bnx2x_vfop_mbx_qfilters(struct bnx2x *bp, struct bnx2x_virtf *vf)
1535{
1536 int rc;
1537
1538 struct vfpf_set_q_filters_tlv *msg =
1539 &BP_VF_MBX(bp, vf->index)->msg->req.set_q_filters;
1540
1541 struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1542 enum bnx2x_vfop_filters_state state = vfop->state;
1543
1544 struct bnx2x_vfop_cmd cmd = {
1545 .done = bnx2x_vfop_mbx_qfilters,
1546 .block = false,
1547 };
1548
1549 DP(BNX2X_MSG_IOV, "STATE: %d\n", state);
1550
1551 if (vfop->rc < 0)
1552 goto op_err;
1553
1554 switch (state) {
1555 case BNX2X_VFOP_MBX_Q_FILTERS_MACS:
1556 /* next state */
1557 vfop->state = BNX2X_VFOP_MBX_Q_FILTERS_VLANS;
1558
1559 /* check for any vlan/mac changes */
1560 if (msg->flags & VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED) {
1561 /* build mac list */
1562 struct bnx2x_vfop_filters *fl = NULL;
1563
1564 vfop->rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl,
1565 VFPF_MAC_FILTER);
1566 if (vfop->rc)
1567 goto op_err;
1568
1569 if (fl) {
1570 /* set mac list */
1571 rc = bnx2x_vfop_mac_list_cmd(bp, vf, &cmd, fl,
1572 msg->vf_qid,
1573 false);
1574 if (rc) {
1575 vfop->rc = rc;
1576 goto op_err;
1577 }
1578 return;
1579 }
1580 }
1581 /* fall through */
1582
1583 case BNX2X_VFOP_MBX_Q_FILTERS_VLANS:
1584 /* next state */
1585 vfop->state = BNX2X_VFOP_MBX_Q_FILTERS_RXMODE;
1586
1587 /* check for any vlan/mac changes */
1588 if (msg->flags & VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED) {
1589 /* build vlan list */
1590 struct bnx2x_vfop_filters *fl = NULL;
1591
1592 vfop->rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl,
1593 VFPF_VLAN_FILTER);
1594 if (vfop->rc)
1595 goto op_err;
1596
1597 if (fl) {
1598 /* set vlan list */
1599 rc = bnx2x_vfop_vlan_list_cmd(bp, vf, &cmd, fl,
1600 msg->vf_qid,
1601 false);
1602 if (rc) {
1603 vfop->rc = rc;
1604 goto op_err;
1605 }
1606 return;
1607 }
1608 }
1609 /* fall through */
1610
1611 case BNX2X_VFOP_MBX_Q_FILTERS_RXMODE:
1612 /* next state */
1613 vfop->state = BNX2X_VFOP_MBX_Q_FILTERS_MCAST;
1614
1615 if (msg->flags & VFPF_SET_Q_FILTERS_RX_MASK_CHANGED) {
1616 unsigned long accept = 0;
e8379c79
YM		 1617 struct pf_vf_bulletin_content *bulletin =
1618 BP_VF_BULLETIN(bp, vf->index);
954ea748
AE		 1619
1620 /* covert VF-PF if mask to bnx2x accept flags */
1621 if (msg->rx_mask & VFPF_RX_MASK_ACCEPT_MATCHED_UNICAST)
1622 __set_bit(BNX2X_ACCEPT_UNICAST, &accept);
1623
1624 if (msg->rx_mask &
1625 VFPF_RX_MASK_ACCEPT_MATCHED_MULTICAST)
1626 __set_bit(BNX2X_ACCEPT_MULTICAST, &accept);
1627
1628 if (msg->rx_mask & VFPF_RX_MASK_ACCEPT_ALL_UNICAST)
1629 __set_bit(BNX2X_ACCEPT_ALL_UNICAST, &accept);
1630
1631 if (msg->rx_mask & VFPF_RX_MASK_ACCEPT_ALL_MULTICAST)
1632 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &accept);
1633
1634 if (msg->rx_mask & VFPF_RX_MASK_ACCEPT_BROADCAST)
1635 __set_bit(BNX2X_ACCEPT_BROADCAST, &accept);
1636
1637 /* A packet arriving the vf's mac should be accepted
e8379c79
YM		 1638 * with any vlan, unless a vlan has already been
1639 * configured.
954ea748 1640 */
e8379c79
YM		 1641 if (!(bulletin->valid_bitmap & (1 << VLAN_VALID)))
1642 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept);
954ea748
AE		 1643
1644 /* set rx-mode */
1645 rc = bnx2x_vfop_rxmode_cmd(bp, vf, &cmd,
1646 msg->vf_qid, accept);
1647 if (rc) {
1648 vfop->rc = rc;
1649 goto op_err;
1650 }
1651 return;
1652 }
1653 /* fall through */
1654
1655 case BNX2X_VFOP_MBX_Q_FILTERS_MCAST:
1656 /* next state */
1657 vfop->state = BNX2X_VFOP_MBX_Q_FILTERS_DONE;
1658
1659 if (msg->flags & VFPF_SET_Q_FILTERS_MULTICAST_CHANGED) {
1660 /* set mcasts */
1661 rc = bnx2x_vfop_mcast_cmd(bp, vf, &cmd, msg->multicast,
1662 msg->n_multicast, false);
1663 if (rc) {
1664 vfop->rc = rc;
1665 goto op_err;
1666 }
1667 return;
1668 }
1669 /* fall through */
1670op_done:
1671 case BNX2X_VFOP_MBX_Q_FILTERS_DONE:
1672 bnx2x_vfop_end(bp, vf, vfop);
1673 return;
1674op_err:
1675 BNX2X_ERR("QFILTERS[%d:%d] error: rc %d\n",
1676 vf->abs_vfid, msg->vf_qid, vfop->rc);
1677 goto op_done;
1678
1679 default:
1680 bnx2x_vfop_default(state);
1681 }
1682}
1683
1684static int bnx2x_vfop_mbx_qfilters_cmd(struct bnx2x *bp,
1685 struct bnx2x_virtf *vf,
1686 struct bnx2x_vfop_cmd *cmd)
1687{
1688 struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1689 if (vfop) {
1690 bnx2x_vfop_opset(BNX2X_VFOP_MBX_Q_FILTERS_MACS,
1691 bnx2x_vfop_mbx_qfilters, cmd->done);
1692 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_mbx_qfilters,
1693 cmd->block);
1694 }
1695 return -ENOMEM;
1696}
1697
ba72f32c
YM		 1698static int bnx2x_filters_validate_mac(struct bnx2x *bp,
1699 struct bnx2x_virtf *vf,
1700 struct vfpf_set_q_filters_tlv *filters)
954ea748 1701{
abc5a021 1702 struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf->index);
ba72f32c 1703 int rc = 0;
954ea748 1704
abc5a021
AE		 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;
ba72f32c 1716 rc = -EPERM;
abc5a021
AE		 1717 goto response;
1718 }
1719
1720 /* ...and only the mac set by the ndo */
1721 if (filters->n_mac_vlan_filters == 1 &&
8fd90de8 1722 !ether_addr_equal(filters->filters->mac, bulletin->mac)) {
abc5a021
AE		 1723 BNX2X_ERR("VF[%d] requested the addition of a mac address not matching the one configured by set_vf_mac ndo\n",
1724 vf->abs_vfid);
1725
1726 vf->op_rc = -EPERM;
ba72f32c 1727 rc = -EPERM;
abc5a021
AE		 1728 goto response;
1729 }
1730 }
ba72f32c
YM		 1731
1732response:
1733 return rc;
1734}
1735
1736static int bnx2x_filters_validate_vlan(struct bnx2x *bp,
1737 struct bnx2x_virtf *vf,
1738 struct vfpf_set_q_filters_tlv *filters)
1739{
1740 struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf->index);
1741 int rc = 0;
1742
e8379c79
YM		 1743 /* if vlan was set by hypervisor we don't allow guest to config vlan */
1744 if (bulletin->valid_bitmap & 1 << VLAN_VALID) {
1745 int i;
1746
1747 /* search for vlan filters */
1748 for (i = 0; i < filters->n_mac_vlan_filters; i++) {
1749 if (filters->filters[i].flags &
1750 VFPF_Q_FILTER_VLAN_TAG_VALID) {
1751 BNX2X_ERR("VF[%d] attempted to configure vlan but one was already set by Hypervisor. Aborting request\n",
1752 vf->abs_vfid);
1753 vf->op_rc = -EPERM;
ba72f32c 1754 rc = -EPERM;
e8379c79
YM		 1755 goto response;
1756 }
1757 }
1758 }
abc5a021 1759
954ea748 1760 /* verify vf_qid */
ba72f32c
YM		 1761 if (filters->vf_qid > vf_rxq_count(vf)) {
1762 rc = -EPERM;
1763 goto response;
1764 }
1765
1766response:
1767 return rc;
1768}
1769
1770static void bnx2x_vf_mbx_set_q_filters(struct bnx2x *bp,
1771 struct bnx2x_virtf *vf,
1772 struct bnx2x_vf_mbx *mbx)
1773{
1774 struct vfpf_set_q_filters_tlv *filters = &mbx->msg->req.set_q_filters;
1775 struct bnx2x_vfop_cmd cmd = {
1776 .done = bnx2x_vf_mbx_resp,
1777 .block = false,
1778 };
1779
1780 if (bnx2x_filters_validate_mac(bp, vf, filters))
1781 goto response;
1782
1783 if (bnx2x_filters_validate_vlan(bp, vf, filters))
954ea748
AE		 1784 goto response;
1785
1786 DP(BNX2X_MSG_IOV, "VF[%d] Q_FILTERS: queue[%d]\n",
1787 vf->abs_vfid,
1788 filters->vf_qid);
1789
1790 /* print q_filter message */
1791 bnx2x_vf_mbx_dp_q_filters(bp, BNX2X_MSG_IOV, filters);
1792
1793 vf->op_rc = bnx2x_vfop_mbx_qfilters_cmd(bp, vf, &cmd);
1794 if (vf->op_rc)
1795 goto response;
1796 return;
1797
1798response:
1799 bnx2x_vf_mbx_resp(bp, vf);
1800}
1801
463a68a7
AE		 1802static void bnx2x_vf_mbx_teardown_q(struct bnx2x *bp, struct bnx2x_virtf *vf,
1803 struct bnx2x_vf_mbx *mbx)
1804{
1805 int qid = mbx->msg->req.q_op.vf_qid;
1806 struct bnx2x_vfop_cmd cmd = {
1807 .done = bnx2x_vf_mbx_resp,
1808 .block = false,
1809 };
1810
1811 DP(BNX2X_MSG_IOV, "VF[%d] Q_TEARDOWN: vf_qid=%d\n",
1812 vf->abs_vfid, qid);
1813
1814 vf->op_rc = bnx2x_vfop_qdown_cmd(bp, vf, &cmd, qid);
1815 if (vf->op_rc)
1816 bnx2x_vf_mbx_resp(bp, vf);
1817}
1818
99e9d211
AE		 1819static void bnx2x_vf_mbx_close_vf(struct bnx2x *bp, struct bnx2x_virtf *vf,
1820 struct bnx2x_vf_mbx *mbx)
1821{
1822 struct bnx2x_vfop_cmd cmd = {
1823 .done = bnx2x_vf_mbx_resp,
1824 .block = false,
1825 };
1826
1827 DP(BNX2X_MSG_IOV, "VF[%d] VF_CLOSE\n", vf->abs_vfid);
1828
1829 vf->op_rc = bnx2x_vfop_close_cmd(bp, vf, &cmd);
1830 if (vf->op_rc)
1831 bnx2x_vf_mbx_resp(bp, vf);
1832}
1833
f1929b01
AE		 1834static void bnx2x_vf_mbx_release_vf(struct bnx2x *bp, struct bnx2x_virtf *vf,
1835 struct bnx2x_vf_mbx *mbx)
1836{
1837 struct bnx2x_vfop_cmd cmd = {
1838 .done = bnx2x_vf_mbx_resp,
1839 .block = false,
1840 };
1841
1842 DP(BNX2X_MSG_IOV, "VF[%d] VF_RELEASE\n", vf->abs_vfid);
1843
1844 vf->op_rc = bnx2x_vfop_release_cmd(bp, vf, &cmd);
1845 if (vf->op_rc)
1846 bnx2x_vf_mbx_resp(bp, vf);
1847}
1848
b9871bcf
AE		 1849static void bnx2x_vf_mbx_update_rss(struct bnx2x *bp, struct bnx2x_virtf *vf,
1850 struct bnx2x_vf_mbx *mbx)
1851{
1852 struct bnx2x_vfop_cmd cmd = {
1853 .done = bnx2x_vf_mbx_resp,
1854 .block = false,
1855 };
1856 struct bnx2x_config_rss_params *vf_op_params = &vf->op_params.rss;
1857 struct vfpf_rss_tlv *rss_tlv = &mbx->msg->req.update_rss;
1858
1859 if (rss_tlv->ind_table_size != T_ETH_INDIRECTION_TABLE_SIZE ||
1860 rss_tlv->rss_key_size != T_ETH_RSS_KEY) {
1861 BNX2X_ERR("failing rss configuration of vf %d due to size mismatch\n",
1862 vf->index);
1863 vf->op_rc = -EINVAL;
1864 goto mbx_resp;
1865 }
1866
1867 /* set vfop params according to rss tlv */
1868 memcpy(vf_op_params->ind_table, rss_tlv->ind_table,
1869 T_ETH_INDIRECTION_TABLE_SIZE);
1870 memcpy(vf_op_params->rss_key, rss_tlv->rss_key,
1871 sizeof(rss_tlv->rss_key));
1872 vf_op_params->rss_obj = &vf->rss_conf_obj;
1873 vf_op_params->rss_result_mask = rss_tlv->rss_result_mask;
1874
1875 /* flags handled individually for backward/forward compatability */
5b622918
MK		 1876 vf_op_params->rss_flags = 0;
1877 vf_op_params->ramrod_flags = 0;
1878
b9871bcf
AE		 1879 if (rss_tlv->rss_flags & VFPF_RSS_MODE_DISABLED)
1880 __set_bit(BNX2X_RSS_MODE_DISABLED, &vf_op_params->rss_flags);
1881 if (rss_tlv->rss_flags & VFPF_RSS_MODE_REGULAR)
1882 __set_bit(BNX2X_RSS_MODE_REGULAR, &vf_op_params->rss_flags);
1883 if (rss_tlv->rss_flags & VFPF_RSS_SET_SRCH)
1884 __set_bit(BNX2X_RSS_SET_SRCH, &vf_op_params->rss_flags);
1885 if (rss_tlv->rss_flags & VFPF_RSS_IPV4)
1886 __set_bit(BNX2X_RSS_IPV4, &vf_op_params->rss_flags);
1887 if (rss_tlv->rss_flags & VFPF_RSS_IPV4_TCP)
1888 __set_bit(BNX2X_RSS_IPV4_TCP, &vf_op_params->rss_flags);
1889 if (rss_tlv->rss_flags & VFPF_RSS_IPV4_UDP)
1890 __set_bit(BNX2X_RSS_IPV4_UDP, &vf_op_params->rss_flags);
1891 if (rss_tlv->rss_flags & VFPF_RSS_IPV6)
1892 __set_bit(BNX2X_RSS_IPV6, &vf_op_params->rss_flags);
1893 if (rss_tlv->rss_flags & VFPF_RSS_IPV6_TCP)
1894 __set_bit(BNX2X_RSS_IPV6_TCP, &vf_op_params->rss_flags);
1895 if (rss_tlv->rss_flags & VFPF_RSS_IPV6_UDP)
1896 __set_bit(BNX2X_RSS_IPV6_UDP, &vf_op_params->rss_flags);
1897
1898 if ((!(rss_tlv->rss_flags & VFPF_RSS_IPV4_TCP) &&
1899 rss_tlv->rss_flags & VFPF_RSS_IPV4_UDP) ||
1900 (!(rss_tlv->rss_flags & VFPF_RSS_IPV6_TCP) &&
1901 rss_tlv->rss_flags & VFPF_RSS_IPV6_UDP)) {
1902 BNX2X_ERR("about to hit a FW assert. aborting...\n");
1903 vf->op_rc = -EINVAL;
1904 goto mbx_resp;
1905 }
1906
1907 vf->op_rc = bnx2x_vfop_rss_cmd(bp, vf, &cmd);
1908
1909mbx_resp:
1910 if (vf->op_rc)
1911 bnx2x_vf_mbx_resp(bp, vf);
1912}
1913
14a94ebd
MK		 1914static int bnx2x_validate_tpa_params(struct bnx2x *bp,
1915 struct vfpf_tpa_tlv *tpa_tlv)
1916{
1917 int rc = 0;
1918
1919 if (tpa_tlv->tpa_client_info.max_sges_for_packet >
1920 U_ETH_MAX_SGES_FOR_PACKET) {
1921 rc = -EINVAL;
1922 BNX2X_ERR("TPA update: max_sges received %d, max is %d\n",
1923 tpa_tlv->tpa_client_info.max_sges_for_packet,
1924 U_ETH_MAX_SGES_FOR_PACKET);
1925 }
1926
1927 if (tpa_tlv->tpa_client_info.max_tpa_queues > MAX_AGG_QS(bp)) {
1928 rc = -EINVAL;
1929 BNX2X_ERR("TPA update: max_tpa_queues received %d, max is %d\n",
1930 tpa_tlv->tpa_client_info.max_tpa_queues,
1931 MAX_AGG_QS(bp));
1932 }
1933
1934 return rc;
1935}
1936
1937static void bnx2x_vf_mbx_update_tpa(struct bnx2x *bp, struct bnx2x_virtf *vf,
1938 struct bnx2x_vf_mbx *mbx)
1939{
1940 struct bnx2x_vfop_cmd cmd = {
1941 .done = bnx2x_vf_mbx_resp,
1942 .block = false,
1943 };
1944 struct bnx2x_queue_update_tpa_params *vf_op_params =
1945 &vf->op_params.qstate.params.update_tpa;
1946 struct vfpf_tpa_tlv *tpa_tlv = &mbx->msg->req.update_tpa;
1947
1948 memset(vf_op_params, 0, sizeof(*vf_op_params));
1949
1950 if (bnx2x_validate_tpa_params(bp, tpa_tlv))
1951 goto mbx_resp;
1952
1953 vf_op_params->complete_on_both_clients =
1954 tpa_tlv->tpa_client_info.complete_on_both_clients;
1955 vf_op_params->dont_verify_thr =
1956 tpa_tlv->tpa_client_info.dont_verify_thr;
1957 vf_op_params->max_agg_sz =
1958 tpa_tlv->tpa_client_info.max_agg_size;
1959 vf_op_params->max_sges_pkt =
1960 tpa_tlv->tpa_client_info.max_sges_for_packet;
1961 vf_op_params->max_tpa_queues =
1962 tpa_tlv->tpa_client_info.max_tpa_queues;
1963 vf_op_params->sge_buff_sz =
1964 tpa_tlv->tpa_client_info.sge_buff_size;
1965 vf_op_params->sge_pause_thr_high =
1966 tpa_tlv->tpa_client_info.sge_pause_thr_high;
1967 vf_op_params->sge_pause_thr_low =
1968 tpa_tlv->tpa_client_info.sge_pause_thr_low;
1969 vf_op_params->tpa_mode =
1970 tpa_tlv->tpa_client_info.tpa_mode;
1971 vf_op_params->update_ipv4 =
1972 tpa_tlv->tpa_client_info.update_ipv4;
1973 vf_op_params->update_ipv6 =
1974 tpa_tlv->tpa_client_info.update_ipv6;
1975
1976 vf->op_rc = bnx2x_vfop_tpa_cmd(bp, vf, &cmd, tpa_tlv);
1977
1978mbx_resp:
1979 if (vf->op_rc)
1980 bnx2x_vf_mbx_resp(bp, vf);
1981}
1982
fd1fc79d
AE		 1983/* dispatch request */
1984static void bnx2x_vf_mbx_request(struct bnx2x *bp, struct bnx2x_virtf *vf,
1985 struct bnx2x_vf_mbx *mbx)
1986{
1987 int i;
1988
1989 /* check if tlv type is known */
1990 if (bnx2x_tlv_supported(mbx->first_tlv.tl.type)) {
8ca5e17e
AE		 1991 /* Lock the per vf op mutex and note the locker's identity.
1992 * The unlock will take place in mbx response.
1993 */
1994 bnx2x_lock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type);
1995
fd1fc79d
AE		 1996 /* switch on the opcode */
1997 switch (mbx->first_tlv.tl.type) {
8ca5e17e
AE		 1998 case CHANNEL_TLV_ACQUIRE:
1999 bnx2x_vf_mbx_acquire(bp, vf, mbx);
cbbf77de 2000 return;
b93288d5
AE		 2001 case CHANNEL_TLV_INIT:
2002 bnx2x_vf_mbx_init_vf(bp, vf, mbx);
cbbf77de 2003 return;
8db573ba
AE		 2004 case CHANNEL_TLV_SETUP_Q:
2005 bnx2x_vf_mbx_setup_q(bp, vf, mbx);
cbbf77de 2006 return;
954ea748
AE		 2007 case CHANNEL_TLV_SET_Q_FILTERS:
2008 bnx2x_vf_mbx_set_q_filters(bp, vf, mbx);
cbbf77de 2009 return;
463a68a7
AE		 2010 case CHANNEL_TLV_TEARDOWN_Q:
2011 bnx2x_vf_mbx_teardown_q(bp, vf, mbx);
cbbf77de 2012 return;
99e9d211
AE		 2013 case CHANNEL_TLV_CLOSE:
2014 bnx2x_vf_mbx_close_vf(bp, vf, mbx);
cbbf77de 2015 return;
f1929b01
AE		 2016 case CHANNEL_TLV_RELEASE:
2017 bnx2x_vf_mbx_release_vf(bp, vf, mbx);
cbbf77de 2018 return;
b9871bcf
AE		 2019 case CHANNEL_TLV_UPDATE_RSS:
2020 bnx2x_vf_mbx_update_rss(bp, vf, mbx);
cbbf77de 2021 return;
14a94ebd
MK		 2022 case CHANNEL_TLV_UPDATE_TPA:
2023 bnx2x_vf_mbx_update_tpa(bp, vf, mbx);
2024 return;
fd1fc79d 2025 }
463a68a7 2026
fd1fc79d
AE		 2027 } else {
2028 /* unknown TLV - this may belong to a VF driver from the future
2029 * - a version written after this PF driver was written, which
2030 * supports features unknown as of yet. Too bad since we don't
2031 * support them. Or this may be because someone wrote a crappy
2032 * VF driver and is sending garbage over the channel.
2033 */
6bf07b8e
YM		 2034 BNX2X_ERR("unknown TLV. type %d length %d vf->state was %d. first 20 bytes of mailbox buffer:\n",
2035 mbx->first_tlv.tl.type, mbx->first_tlv.tl.length,
2036 vf->state);
fd1fc79d
AE		 2037 for (i = 0; i < 20; i++)
2038 DP_CONT(BNX2X_MSG_IOV, "%x ",
2039 mbx->msg->req.tlv_buf_size.tlv_buffer[i]);
cbbf77de 2040 }
8ca5e17e 2041
cbbf77de
AE		 2042 /* can we respond to VF (do we have an address for it?) */
2043 if (vf->state == VF_ACQUIRED || vf->state == VF_ENABLED) {
2044 /* mbx_resp uses the op_rc of the VF */
2045 vf->op_rc = PFVF_STATUS_NOT_SUPPORTED;
8ca5e17e 2046
cbbf77de
AE		 2047 /* notify the VF that we do not support this request */
2048 bnx2x_vf_mbx_resp(bp, vf);
2049 } else {
2050 /* can't send a response since this VF is unknown to us
2051 * just ack the FW to release the mailbox and unlock
2052 * the channel.
2053 */
2054 storm_memset_vf_mbx_ack(bp, vf->abs_vfid);
2055 /* Firmware ack should be written before unlocking channel */
2056 mmiowb();
2057 bnx2x_unlock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type);
fd1fc79d
AE		 2058 }
2059}
2060
2061/* handle new vf-pf message */
2062void bnx2x_vf_mbx(struct bnx2x *bp, struct vf_pf_event_data *vfpf_event)
2063{
2064 struct bnx2x_virtf *vf;
2065 struct bnx2x_vf_mbx *mbx;
2066 u8 vf_idx;
2067 int rc;
2068
2069 DP(BNX2X_MSG_IOV,
2070 "vf pf event received: vfid %d, address_hi %x, address lo %x",
2071 vfpf_event->vf_id, vfpf_event->msg_addr_hi, vfpf_event->msg_addr_lo);
2072 /* Sanity checks consider removing later */
2073
2074 /* check if the vf_id is valid */
2075 if (vfpf_event->vf_id - BP_VFDB(bp)->sriov.first_vf_in_pf >
2076 BNX2X_NR_VIRTFN(bp)) {
2077 BNX2X_ERR("Illegal vf_id %d max allowed: %d\n",
2078 vfpf_event->vf_id, BNX2X_NR_VIRTFN(bp));
2079 goto mbx_done;
2080 }
2081 vf_idx = bnx2x_vf_idx_by_abs_fid(bp, vfpf_event->vf_id);
2082 mbx = BP_VF_MBX(bp, vf_idx);
2083
2084 /* verify an event is not currently being processed -
2085 * debug failsafe only
2086 */
2087 if (mbx->flags & VF_MSG_INPROCESS) {
2088 BNX2X_ERR("Previous message is still being processed, vf_id %d\n",
2089 vfpf_event->vf_id);
2090 goto mbx_done;
2091 }
2092 vf = BP_VF(bp, vf_idx);
2093
2094 /* save the VF message address */
2095 mbx->vf_addr_hi = vfpf_event->msg_addr_hi;
2096 mbx->vf_addr_lo = vfpf_event->msg_addr_lo;
2097 DP(BNX2X_MSG_IOV, "mailbox vf address hi 0x%x, lo 0x%x, offset 0x%x\n",
2098 mbx->vf_addr_hi, mbx->vf_addr_lo, mbx->first_tlv.resp_msg_offset);
2099
2100 /* dmae to get the VF request */
2101 rc = bnx2x_copy32_vf_dmae(bp, true, mbx->msg_mapping, vf->abs_vfid,
2102 mbx->vf_addr_hi, mbx->vf_addr_lo,
2103 sizeof(union vfpf_tlvs)/4);
2104 if (rc) {
2105 BNX2X_ERR("Failed to copy request VF %d\n", vf->abs_vfid);
2106 goto mbx_error;
2107 }
2108
2109 /* process the VF message header */
2110 mbx->first_tlv = mbx->msg->req.first_tlv;
2111
3d7d562c
YM		 2112 /* Clean response buffer to refrain from falsely seeing chains */
2113 memset(&mbx->msg->resp, 0, sizeof(union pfvf_tlvs));
2114
fd1fc79d
AE		 2115 /* dispatch the request (will prepare the response) */
2116 bnx2x_vf_mbx_request(bp, vf, mbx);
2117 goto mbx_done;
2118
2119mbx_error:
f1929b01 2120 bnx2x_vf_release(bp, vf, false); /* non blocking */
fd1fc79d
AE		 2121mbx_done:
2122 return;
2123}
abc5a021
AE		 2124
2125/* propagate local bulletin board to vf */
2126int bnx2x_post_vf_bulletin(struct bnx2x *bp, int vf)
2127{
2128 struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf);
2129 dma_addr_t pf_addr = BP_VF_BULLETIN_DMA(bp)->mapping +
2130 vf * BULLETIN_CONTENT_SIZE;
2131 dma_addr_t vf_addr = bnx2x_vf(bp, vf, bulletin_map);
abc5a021
AE		 2132 int rc;
2133
2134 /* can only update vf after init took place */
2135 if (bnx2x_vf(bp, vf, state) != VF_ENABLED &&
2136 bnx2x_vf(bp, vf, state) != VF_ACQUIRED)
2137 return 0;
2138
2139 /* increment bulletin board version and compute crc */
2140 bulletin->version++;
4c133c39 2141 bulletin->length = BULLETIN_CONTENT_SIZE;
abc5a021
AE		 2142 bulletin->crc = bnx2x_crc_vf_bulletin(bp, bulletin);
2143
2144 /* propagate bulletin board via dmae to vm memory */
2145 rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr,
2146 bnx2x_vf(bp, vf, abs_vfid), U64_HI(vf_addr),
4c133c39 2147 U64_LO(vf_addr), bulletin->length / 4);
abc5a021
AE		 2148 return rc;
2149}
Linux 6.x block layer and io_uring tree(s)