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xtensa: support DMA buffers in high memory
[cris-mirror.git] / drivers / net / ethernet / broadcom / bnx2x / bnx2x_vfpf.c
blob76a4668c50fe98edb3d6e955351a357a3e3f0608
1 /* bnx2x_vfpf.c: QLogic Everest network driver.
2 *
3 * Copyright 2009-2013 Broadcom Corporation
4 * Copyright 2014 QLogic Corporation
5 * All rights reserved
6 *
7 * Unless you and QLogic execute a separate written software license
8 * agreement governing use of this software, this software is licensed to you
9 * under the terms of the GNU General Public License version 2, available
10 * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
11 *
12 * Notwithstanding the above, under no circumstances may you combine this
13 * software in any way with any other QLogic software provided under a
14 * license other than the GPL, without QLogic's express prior written
15 * consent.
16 *
17 * Maintained by: Ariel Elior <ariel.elior@qlogic.com>
18 * Written by: Shmulik Ravid
19 * Ariel Elior <ariel.elior@qlogic.com>
20 */
21
22 #include "bnx2x.h"
23 #include "bnx2x_cmn.h"
24 #include <linux/crc32.h>
25
26 static int bnx2x_vfpf_teardown_queue(struct bnx2x *bp, int qidx);
27
28 /* place a given tlv on the tlv buffer at a given offset */
29 static void bnx2x_add_tlv(struct bnx2x *bp, void *tlvs_list,
30 u16 offset, u16 type, u16 length)
31 {
32 struct channel_tlv *tl =
33 (struct channel_tlv *)(tlvs_list + offset);
34
35 tl->type = type;
36 tl->length = length;
37 }
38
39 /* Clear the mailbox and init the header of the first tlv */
40 static void bnx2x_vfpf_prep(struct bnx2x *bp, struct vfpf_first_tlv *first_tlv,
41 u16 type, u16 length)
42 {
43 mutex_lock(&bp->vf2pf_mutex);
44
45 DP(BNX2X_MSG_IOV, "preparing to send %d tlv over vf pf channel\n",
46 type);
47
48 /* Clear mailbox */
49 memset(bp->vf2pf_mbox, 0, sizeof(struct bnx2x_vf_mbx_msg));
50
51 /* init type and length */
52 bnx2x_add_tlv(bp, &first_tlv->tl, 0, type, length);
53
54 /* init first tlv header */
55 first_tlv->resp_msg_offset = sizeof(bp->vf2pf_mbox->req);
56 }
57
58 /* releases the mailbox */
59 static void bnx2x_vfpf_finalize(struct bnx2x *bp,
60 struct vfpf_first_tlv *first_tlv)
61 {
62 DP(BNX2X_MSG_IOV, "done sending [%d] tlv over vf pf channel\n",
63 first_tlv->tl.type);
64
65 mutex_unlock(&bp->vf2pf_mutex);
66 }
67
68 /* Finds a TLV by type in a TLV buffer; If found, returns pointer to the TLV */
69 static void *bnx2x_search_tlv_list(struct bnx2x *bp, void *tlvs_list,
70 enum channel_tlvs req_tlv)
71 {
72 struct channel_tlv *tlv = (struct channel_tlv *)tlvs_list;
73
74 do {
75 if (tlv->type == req_tlv)
76 return tlv;
77
78 if (!tlv->length) {
79 BNX2X_ERR("Found TLV with length 0\n");
80 return NULL;
81 }
82
83 tlvs_list += tlv->length;
84 tlv = (struct channel_tlv *)tlvs_list;
85 } while (tlv->type != CHANNEL_TLV_LIST_END);
86
87 DP(BNX2X_MSG_IOV, "TLV list does not contain %d TLV\n", req_tlv);
88
89 return NULL;
90 }
91
92 /* list the types and lengths of the tlvs on the buffer */
93 static void bnx2x_dp_tlv_list(struct bnx2x *bp, void *tlvs_list)
94 {
95 int i = 1;
96 struct channel_tlv *tlv = (struct channel_tlv *)tlvs_list;
97
98 while (tlv->type != CHANNEL_TLV_LIST_END) {
99 /* output tlv */
100 DP(BNX2X_MSG_IOV, "TLV number %d: type %d, length %d\n", i,
101 tlv->type, tlv->length);
102
103 /* advance to next tlv */
104 tlvs_list += tlv->length;
105
106 /* cast general tlv list pointer to channel tlv header*/
107 tlv = (struct channel_tlv *)tlvs_list;
108
109 i++;
110
111 /* break condition for this loop */
112 if (i > MAX_TLVS_IN_LIST) {
113 WARN(true, "corrupt tlvs");
114 return;
115 }
116 }
117
118 /* output last tlv */
119 DP(BNX2X_MSG_IOV, "TLV number %d: type %d, length %d\n", i,
120 tlv->type, tlv->length);
121 }
122
123 /* test whether we support a tlv type */
124 bool bnx2x_tlv_supported(u16 tlvtype)
125 {
126 return CHANNEL_TLV_NONE < tlvtype && tlvtype < CHANNEL_TLV_MAX;
127 }
128
129 static inline int bnx2x_pfvf_status_codes(int rc)
130 {
131 switch (rc) {
132 case 0:
133 return PFVF_STATUS_SUCCESS;
134 case -ENOMEM:
135 return PFVF_STATUS_NO_RESOURCE;
136 default:
137 return PFVF_STATUS_FAILURE;
138 }
139 }
140
141 static int bnx2x_send_msg2pf(struct bnx2x *bp, u8 *done, dma_addr_t msg_mapping)
142 {
143 struct cstorm_vf_zone_data __iomem *zone_data =
144 REG_ADDR(bp, PXP_VF_ADDR_CSDM_GLOBAL_START);
145 int tout = 100, interval = 100; /* wait for 10 seconds */
146
147 if (*done) {
148 BNX2X_ERR("done was non zero before message to pf was sent\n");
149 WARN_ON(true);
150 return -EINVAL;
151 }
152
153 /* if PF indicated channel is down avoid sending message. Return success
154 * so calling flow can continue
155 */
156 bnx2x_sample_bulletin(bp);
157 if (bp->old_bulletin.valid_bitmap & 1 << CHANNEL_DOWN) {
158 DP(BNX2X_MSG_IOV, "detecting channel down. Aborting message\n");
159 *done = PFVF_STATUS_SUCCESS;
160 return -EINVAL;
161 }
162
163 /* Write message address */
164 writel(U64_LO(msg_mapping),
165 &zone_data->non_trigger.vf_pf_channel.msg_addr_lo);
166 writel(U64_HI(msg_mapping),
167 &zone_data->non_trigger.vf_pf_channel.msg_addr_hi);
168
169 /* make sure the address is written before FW accesses it */
170 wmb();
171
172 /* Trigger the PF FW */
173 writeb(1, &zone_data->trigger.vf_pf_channel.addr_valid);
174
175 /* Wait for PF to complete */
176 while ((tout >= 0) && (!*done)) {
177 msleep(interval);
178 tout -= 1;
179
180 /* progress indicator - HV can take its own sweet time in
181 * answering VFs...
182 */
183 DP_CONT(BNX2X_MSG_IOV, ".");
184 }
185
186 if (!*done) {
187 BNX2X_ERR("PF response has timed out\n");
188 return -EAGAIN;
189 }
190 DP(BNX2X_MSG_SP, "Got a response from PF\n");
191 return 0;
192 }
193
194 static int bnx2x_get_vf_id(struct bnx2x *bp, u32 *vf_id)
195 {
196 u32 me_reg;
197 int tout = 10, interval = 100; /* Wait for 1 sec */
198
199 do {
200 /* pxp traps vf read of doorbells and returns me reg value */
201 me_reg = readl(bp->doorbells);
202 if (GOOD_ME_REG(me_reg))
203 break;
204
205 msleep(interval);
206
207 BNX2X_ERR("Invalid ME register value: 0x%08x\n. Is pf driver up?",
208 me_reg);
209 } while (tout-- > 0);
210
211 if (!GOOD_ME_REG(me_reg)) {
212 BNX2X_ERR("Invalid ME register value: 0x%08x\n", me_reg);
213 return -EINVAL;
214 }
215
216 DP(BNX2X_MSG_IOV, "valid ME register value: 0x%08x\n", me_reg);
217
218 *vf_id = (me_reg & ME_REG_VF_NUM_MASK) >> ME_REG_VF_NUM_SHIFT;
219
220 return 0;
221 }
222
223 int bnx2x_vfpf_acquire(struct bnx2x *bp, u8 tx_count, u8 rx_count)
224 {
225 int rc = 0, attempts = 0;
226 struct vfpf_acquire_tlv *req = &bp->vf2pf_mbox->req.acquire;
227 struct pfvf_acquire_resp_tlv *resp = &bp->vf2pf_mbox->resp.acquire_resp;
228 struct vfpf_port_phys_id_resp_tlv *phys_port_resp;
229 struct vfpf_fp_hsi_resp_tlv *fp_hsi_resp;
230 u32 vf_id;
231 bool resources_acquired = false;
232
233 /* clear mailbox and prep first tlv */
234 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_ACQUIRE, sizeof(*req));
235
236 if (bnx2x_get_vf_id(bp, &vf_id)) {
237 rc = -EAGAIN;
238 goto out;
239 }
240
241 req->vfdev_info.vf_id = vf_id;
242 req->vfdev_info.vf_os = 0;
243 req->vfdev_info.fp_hsi_ver = ETH_FP_HSI_VERSION;
244
245 req->resc_request.num_rxqs = rx_count;
246 req->resc_request.num_txqs = tx_count;
247 req->resc_request.num_sbs = bp->igu_sb_cnt;
248 req->resc_request.num_mac_filters = VF_ACQUIRE_MAC_FILTERS;
249 req->resc_request.num_mc_filters = VF_ACQUIRE_MC_FILTERS;
250 req->resc_request.num_vlan_filters = VF_ACQUIRE_VLAN_FILTERS;
251
252 /* pf 2 vf bulletin board address */
253 req->bulletin_addr = bp->pf2vf_bulletin_mapping;
254
255 /* Request physical port identifier */
256 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length,
257 CHANNEL_TLV_PHYS_PORT_ID, sizeof(struct channel_tlv));
258
259 /* Bulletin support for bulletin board with length > legacy length */
260 req->vfdev_info.caps |= VF_CAP_SUPPORT_EXT_BULLETIN;
261 /* vlan filtering is supported */
262 req->vfdev_info.caps |= VF_CAP_SUPPORT_VLAN_FILTER;
263
264 /* add list termination tlv */
265 bnx2x_add_tlv(bp, req,
266 req->first_tlv.tl.length + sizeof(struct channel_tlv),
267 CHANNEL_TLV_LIST_END,
268 sizeof(struct channel_list_end_tlv));
269
270 /* output tlvs list */
271 bnx2x_dp_tlv_list(bp, req);
272
273 while (!resources_acquired) {
274 DP(BNX2X_MSG_SP, "attempting to acquire resources\n");
275
276 /* send acquire request */
277 rc = bnx2x_send_msg2pf(bp,
278 &resp->hdr.status,
279 bp->vf2pf_mbox_mapping);
280
281 /* PF timeout */
282 if (rc)
283 goto out;
284
285 /* copy acquire response from buffer to bp */
286 memcpy(&bp->acquire_resp, resp, sizeof(bp->acquire_resp));
287
288 attempts++;
289
290 /* test whether the PF accepted our request. If not, humble
291 * the request and try again.
292 */
293 if (bp->acquire_resp.hdr.status == PFVF_STATUS_SUCCESS) {
294 DP(BNX2X_MSG_SP, "resources acquired\n");
295 resources_acquired = true;
296 } else if (bp->acquire_resp.hdr.status ==
297 PFVF_STATUS_NO_RESOURCE &&
298 attempts < VF_ACQUIRE_THRESH) {
299 DP(BNX2X_MSG_SP,
300 "PF unwilling to fulfill resource request. Try PF recommended amount\n");
301
302 /* humble our request */
303 req->resc_request.num_txqs =
304 min(req->resc_request.num_txqs,
305 bp->acquire_resp.resc.num_txqs);
306 req->resc_request.num_rxqs =
307 min(req->resc_request.num_rxqs,
308 bp->acquire_resp.resc.num_rxqs);
309 req->resc_request.num_sbs =
310 min(req->resc_request.num_sbs,
311 bp->acquire_resp.resc.num_sbs);
312 req->resc_request.num_mac_filters =
313 min(req->resc_request.num_mac_filters,
314 bp->acquire_resp.resc.num_mac_filters);
315 req->resc_request.num_vlan_filters =
316 min(req->resc_request.num_vlan_filters,
317 bp->acquire_resp.resc.num_vlan_filters);
318 req->resc_request.num_mc_filters =
319 min(req->resc_request.num_mc_filters,
320 bp->acquire_resp.resc.num_mc_filters);
321
322 /* Clear response buffer */
323 memset(&bp->vf2pf_mbox->resp, 0,
324 sizeof(union pfvf_tlvs));
325 } else {
326 /* Determine reason of PF failure of acquire process */
327 fp_hsi_resp = bnx2x_search_tlv_list(bp, resp,
328 CHANNEL_TLV_FP_HSI_SUPPORT);
329 if (fp_hsi_resp && !fp_hsi_resp->is_supported)
330 BNX2X_ERR("Old hypervisor - doesn't support current fastpath HSI version; Need to downgrade VF driver [or upgrade hypervisor]\n");
331 else
332 BNX2X_ERR("Failed to get the requested amount of resources: %d. Breaking...\n",
333 bp->acquire_resp.hdr.status);
334 rc = -EAGAIN;
335 goto out;
336 }
337 }
338
339 /* Retrieve physical port id (if possible) */
340 phys_port_resp = (struct vfpf_port_phys_id_resp_tlv *)
341 bnx2x_search_tlv_list(bp, resp,
342 CHANNEL_TLV_PHYS_PORT_ID);
343 if (phys_port_resp) {
344 memcpy(bp->phys_port_id, phys_port_resp->id, ETH_ALEN);
345 bp->flags |= HAS_PHYS_PORT_ID;
346 }
347
348 /* Old Hypevisors might not even support the FP_HSI_SUPPORT TLV.
349 * If that's the case, we need to make certain required FW was
350 * supported by such a hypervisor [i.e., v0-v2].
351 */
352 fp_hsi_resp = bnx2x_search_tlv_list(bp, resp,
353 CHANNEL_TLV_FP_HSI_SUPPORT);
354 if (!fp_hsi_resp && (ETH_FP_HSI_VERSION > ETH_FP_HSI_VER_2)) {
355 BNX2X_ERR("Old hypervisor - need to downgrade VF's driver\n");
356
357 /* Since acquire succeeded on the PF side, we need to send a
358 * release message in order to allow future probes.
359 */
360 bnx2x_vfpf_finalize(bp, &req->first_tlv);
361 bnx2x_vfpf_release(bp);
362
363 rc = -EINVAL;
364 goto out;
365 }
366
367 /* get HW info */
368 bp->common.chip_id |= (bp->acquire_resp.pfdev_info.chip_num & 0xffff);
369 bp->link_params.chip_id = bp->common.chip_id;
370 bp->db_size = bp->acquire_resp.pfdev_info.db_size;
371 bp->common.int_block = INT_BLOCK_IGU;
372 bp->common.chip_port_mode = CHIP_2_PORT_MODE;
373 bp->igu_dsb_id = -1;
374 bp->mf_ov = 0;
375 bp->mf_mode = 0;
376 bp->common.flash_size = 0;
377 bp->flags |=
378 NO_WOL_FLAG | NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG | NO_FCOE_FLAG;
379 bp->igu_sb_cnt = bp->acquire_resp.resc.num_sbs;
380 bp->igu_base_sb = bp->acquire_resp.resc.hw_sbs[0].hw_sb_id;
381 bp->vlan_credit = bp->acquire_resp.resc.num_vlan_filters;
382
383 strlcpy(bp->fw_ver, bp->acquire_resp.pfdev_info.fw_ver,
384 sizeof(bp->fw_ver));
385
386 if (is_valid_ether_addr(bp->acquire_resp.resc.current_mac_addr))
387 memcpy(bp->dev->dev_addr,
388 bp->acquire_resp.resc.current_mac_addr,
389 ETH_ALEN);
390
391 out:
392 bnx2x_vfpf_finalize(bp, &req->first_tlv);
393 return rc;
394 }
395
396 int bnx2x_vfpf_release(struct bnx2x *bp)
397 {
398 struct vfpf_release_tlv *req = &bp->vf2pf_mbox->req.release;
399 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
400 u32 rc, vf_id;
401
402 /* clear mailbox and prep first tlv */
403 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_RELEASE, sizeof(*req));
404
405 if (bnx2x_get_vf_id(bp, &vf_id)) {
406 rc = -EAGAIN;
407 goto out;
408 }
409
410 req->vf_id = vf_id;
411
412 /* add list termination tlv */
413 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
414 sizeof(struct channel_list_end_tlv));
415
416 /* output tlvs list */
417 bnx2x_dp_tlv_list(bp, req);
418
419 /* send release request */
420 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
421
422 if (rc)
423 /* PF timeout */
424 goto out;
425
426 if (resp->hdr.status == PFVF_STATUS_SUCCESS) {
427 /* PF released us */
428 DP(BNX2X_MSG_SP, "vf released\n");
429 } else {
430 /* PF reports error */
431 BNX2X_ERR("PF failed our release request - are we out of sync? Response status: %d\n",
432 resp->hdr.status);
433 rc = -EAGAIN;
434 goto out;
435 }
436 out:
437 bnx2x_vfpf_finalize(bp, &req->first_tlv);
438
439 return rc;
440 }
441
442 /* Tell PF about SB addresses */
443 int bnx2x_vfpf_init(struct bnx2x *bp)
444 {
445 struct vfpf_init_tlv *req = &bp->vf2pf_mbox->req.init;
446 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
447 int rc, i;
448
449 /* clear mailbox and prep first tlv */
450 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_INIT, sizeof(*req));
451
452 /* status blocks */
453 for_each_eth_queue(bp, i)
454 req->sb_addr[i] = (dma_addr_t)bnx2x_fp(bp, i,
455 status_blk_mapping);
456
457 /* statistics - requests only supports single queue for now */
458 req->stats_addr = bp->fw_stats_data_mapping +
459 offsetof(struct bnx2x_fw_stats_data, queue_stats);
460
461 req->stats_stride = sizeof(struct per_queue_stats);
462
463 /* add list termination tlv */
464 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
465 sizeof(struct channel_list_end_tlv));
466
467 /* output tlvs list */
468 bnx2x_dp_tlv_list(bp, req);
469
470 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
471 if (rc)
472 goto out;
473
474 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
475 BNX2X_ERR("INIT VF failed: %d. Breaking...\n",
476 resp->hdr.status);
477 rc = -EAGAIN;
478 goto out;
479 }
480
481 DP(BNX2X_MSG_SP, "INIT VF Succeeded\n");
482 out:
483 bnx2x_vfpf_finalize(bp, &req->first_tlv);
484
485 return rc;
486 }
487
488 /* CLOSE VF - opposite to INIT_VF */
489 void bnx2x_vfpf_close_vf(struct bnx2x *bp)
490 {
491 struct vfpf_close_tlv *req = &bp->vf2pf_mbox->req.close;
492 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
493 int i, rc;
494 u32 vf_id;
495
496 /* If we haven't got a valid VF id, there is no sense to
497 * continue with sending messages
498 */
499 if (bnx2x_get_vf_id(bp, &vf_id))
500 goto free_irq;
501
502 /* Close the queues */
503 for_each_queue(bp, i)
504 bnx2x_vfpf_teardown_queue(bp, i);
505
506 /* remove mac */
507 bnx2x_vfpf_config_mac(bp, bp->dev->dev_addr, bp->fp->index, false);
508
509 /* clear mailbox and prep first tlv */
510 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_CLOSE, sizeof(*req));
511
512 req->vf_id = vf_id;
513
514 /* add list termination tlv */
515 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
516 sizeof(struct channel_list_end_tlv));
517
518 /* output tlvs list */
519 bnx2x_dp_tlv_list(bp, req);
520
521 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
522
523 if (rc)
524 BNX2X_ERR("Sending CLOSE failed. rc was: %d\n", rc);
525
526 else if (resp->hdr.status != PFVF_STATUS_SUCCESS)
527 BNX2X_ERR("Sending CLOSE failed: pf response was %d\n",
528 resp->hdr.status);
529
530 bnx2x_vfpf_finalize(bp, &req->first_tlv);
531
532 free_irq:
533 /* Disable HW interrupts, NAPI */
534 bnx2x_netif_stop(bp, 0);
535 /* Delete all NAPI objects */
536 bnx2x_del_all_napi(bp);
537
538 /* Release IRQs */
539 bnx2x_free_irq(bp);
540 }
541
542 static void bnx2x_leading_vfq_init(struct bnx2x *bp, struct bnx2x_virtf *vf,
543 struct bnx2x_vf_queue *q)
544 {
545 u8 cl_id = vfq_cl_id(vf, q);
546 u8 func_id = FW_VF_HANDLE(vf->abs_vfid);
547
548 /* mac */
549 bnx2x_init_mac_obj(bp, &q->mac_obj,
550 cl_id, q->cid, func_id,
551 bnx2x_vf_sp(bp, vf, mac_rdata),
552 bnx2x_vf_sp_map(bp, vf, mac_rdata),
553 BNX2X_FILTER_MAC_PENDING,
554 &vf->filter_state,
555 BNX2X_OBJ_TYPE_RX_TX,
556 &vf->vf_macs_pool);
557 /* vlan */
558 bnx2x_init_vlan_obj(bp, &q->vlan_obj,
559 cl_id, q->cid, func_id,
560 bnx2x_vf_sp(bp, vf, vlan_rdata),
561 bnx2x_vf_sp_map(bp, vf, vlan_rdata),
562 BNX2X_FILTER_VLAN_PENDING,
563 &vf->filter_state,
564 BNX2X_OBJ_TYPE_RX_TX,
565 &vf->vf_vlans_pool);
566 /* vlan-mac */
567 bnx2x_init_vlan_mac_obj(bp, &q->vlan_mac_obj,
568 cl_id, q->cid, func_id,
569 bnx2x_vf_sp(bp, vf, vlan_mac_rdata),
570 bnx2x_vf_sp_map(bp, vf, vlan_mac_rdata),
571 BNX2X_FILTER_VLAN_MAC_PENDING,
572 &vf->filter_state,
573 BNX2X_OBJ_TYPE_RX_TX,
574 &vf->vf_macs_pool,
575 &vf->vf_vlans_pool);
576 /* mcast */
577 bnx2x_init_mcast_obj(bp, &vf->mcast_obj, cl_id,
578 q->cid, func_id, func_id,
579 bnx2x_vf_sp(bp, vf, mcast_rdata),
580 bnx2x_vf_sp_map(bp, vf, mcast_rdata),
581 BNX2X_FILTER_MCAST_PENDING,
582 &vf->filter_state,
583 BNX2X_OBJ_TYPE_RX_TX);
584
585 /* rss */
586 bnx2x_init_rss_config_obj(bp, &vf->rss_conf_obj, cl_id, q->cid,
587 func_id, func_id,
588 bnx2x_vf_sp(bp, vf, rss_rdata),
589 bnx2x_vf_sp_map(bp, vf, rss_rdata),
590 BNX2X_FILTER_RSS_CONF_PENDING,
591 &vf->filter_state,
592 BNX2X_OBJ_TYPE_RX_TX);
593
594 vf->leading_rss = cl_id;
595 q->is_leading = true;
596 q->sp_initialized = true;
597 }
598
599 /* ask the pf to open a queue for the vf */
600 int bnx2x_vfpf_setup_q(struct bnx2x *bp, struct bnx2x_fastpath *fp,
601 bool is_leading)
602 {
603 struct vfpf_setup_q_tlv *req = &bp->vf2pf_mbox->req.setup_q;
604 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
605 u8 fp_idx = fp->index;
606 u16 tpa_agg_size = 0, flags = 0;
607 int rc;
608
609 /* clear mailbox and prep first tlv */
610 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SETUP_Q, sizeof(*req));
611
612 /* select tpa mode to request */
613 if (fp->mode != TPA_MODE_DISABLED) {
614 flags |= VFPF_QUEUE_FLG_TPA;
615 flags |= VFPF_QUEUE_FLG_TPA_IPV6;
616 if (fp->mode == TPA_MODE_GRO)
617 flags |= VFPF_QUEUE_FLG_TPA_GRO;
618 tpa_agg_size = TPA_AGG_SIZE;
619 }
620
621 if (is_leading)
622 flags |= VFPF_QUEUE_FLG_LEADING_RSS;
623
624 /* calculate queue flags */
625 flags |= VFPF_QUEUE_FLG_STATS;
626 flags |= VFPF_QUEUE_FLG_CACHE_ALIGN;
627 flags |= VFPF_QUEUE_FLG_VLAN;
628
629 /* Common */
630 req->vf_qid = fp_idx;
631 req->param_valid = VFPF_RXQ_VALID | VFPF_TXQ_VALID;
632
633 /* Rx */
634 req->rxq.rcq_addr = fp->rx_comp_mapping;
635 req->rxq.rcq_np_addr = fp->rx_comp_mapping + BCM_PAGE_SIZE;
636 req->rxq.rxq_addr = fp->rx_desc_mapping;
637 req->rxq.sge_addr = fp->rx_sge_mapping;
638 req->rxq.vf_sb = fp_idx;
639 req->rxq.sb_index = HC_INDEX_ETH_RX_CQ_CONS;
640 req->rxq.hc_rate = bp->rx_ticks ? 1000000/bp->rx_ticks : 0;
641 req->rxq.mtu = bp->dev->mtu;
642 req->rxq.buf_sz = fp->rx_buf_size;
643 req->rxq.sge_buf_sz = BCM_PAGE_SIZE * PAGES_PER_SGE;
644 req->rxq.tpa_agg_sz = tpa_agg_size;
645 req->rxq.max_sge_pkt = SGE_PAGE_ALIGN(bp->dev->mtu) >> SGE_PAGE_SHIFT;
646 req->rxq.max_sge_pkt = ((req->rxq.max_sge_pkt + PAGES_PER_SGE - 1) &
647 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;
648 req->rxq.flags = flags;
649 req->rxq.drop_flags = 0;
650 req->rxq.cache_line_log = BNX2X_RX_ALIGN_SHIFT;
651 req->rxq.stat_id = -1; /* No stats at the moment */
652
653 /* Tx */
654 req->txq.txq_addr = fp->txdata_ptr[FIRST_TX_COS_INDEX]->tx_desc_mapping;
655 req->txq.vf_sb = fp_idx;
656 req->txq.sb_index = HC_INDEX_ETH_TX_CQ_CONS_COS0;
657 req->txq.hc_rate = bp->tx_ticks ? 1000000/bp->tx_ticks : 0;
658 req->txq.flags = flags;
659 req->txq.traffic_type = LLFC_TRAFFIC_TYPE_NW;
660
661 /* add list termination tlv */
662 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
663 sizeof(struct channel_list_end_tlv));
664
665 /* output tlvs list */
666 bnx2x_dp_tlv_list(bp, req);
667
668 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
669 if (rc)
670 BNX2X_ERR("Sending SETUP_Q message for queue[%d] failed!\n",
671 fp_idx);
672
673 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
674 BNX2X_ERR("Status of SETUP_Q for queue[%d] is %d\n",
675 fp_idx, resp->hdr.status);
676 rc = -EINVAL;
677 }
678
679 bnx2x_vfpf_finalize(bp, &req->first_tlv);
680
681 return rc;
682 }
683
684 static int bnx2x_vfpf_teardown_queue(struct bnx2x *bp, int qidx)
685 {
686 struct vfpf_q_op_tlv *req = &bp->vf2pf_mbox->req.q_op;
687 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
688 int rc;
689
690 /* clear mailbox and prep first tlv */
691 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_TEARDOWN_Q,
692 sizeof(*req));
693
694 req->vf_qid = qidx;
695
696 /* add list termination tlv */
697 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
698 sizeof(struct channel_list_end_tlv));
699
700 /* output tlvs list */
701 bnx2x_dp_tlv_list(bp, req);
702
703 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
704
705 if (rc) {
706 BNX2X_ERR("Sending TEARDOWN for queue %d failed: %d\n", qidx,
707 rc);
708 goto out;
709 }
710
711 /* PF failed the transaction */
712 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
713 BNX2X_ERR("TEARDOWN for queue %d failed: %d\n", qidx,
714 resp->hdr.status);
715 rc = -EINVAL;
716 }
717
718 out:
719 bnx2x_vfpf_finalize(bp, &req->first_tlv);
720
721 return rc;
722 }
723
724 /* request pf to add a mac for the vf */
725 int bnx2x_vfpf_config_mac(struct bnx2x *bp, u8 *addr, u8 vf_qid, bool set)
726 {
727 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters;
728 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
729 struct pf_vf_bulletin_content bulletin = bp->pf2vf_bulletin->content;
730 int rc = 0;
731
732 /* clear mailbox and prep first tlv */
733 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS,
734 sizeof(*req));
735
736 req->flags = VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED;
737 req->vf_qid = vf_qid;
738 req->n_mac_vlan_filters = 1;
739
740 req->filters[0].flags = VFPF_Q_FILTER_DEST_MAC_VALID;
741 if (set)
742 req->filters[0].flags |= VFPF_Q_FILTER_SET;
743
744 /* sample bulletin board for new mac */
745 bnx2x_sample_bulletin(bp);
746
747 /* copy mac from device to request */
748 memcpy(req->filters[0].mac, addr, ETH_ALEN);
749
750 /* add list termination tlv */
751 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
752 sizeof(struct channel_list_end_tlv));
753
754 /* output tlvs list */
755 bnx2x_dp_tlv_list(bp, req);
756
757 /* send message to pf */
758 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
759 if (rc) {
760 BNX2X_ERR("failed to send message to pf. rc was %d\n", rc);
761 goto out;
762 }
763
764 /* failure may mean PF was configured with a new mac for us */
765 while (resp->hdr.status == PFVF_STATUS_FAILURE) {
766 DP(BNX2X_MSG_IOV,
767 "vfpf SET MAC failed. Check bulletin board for new posts\n");
768
769 /* copy mac from bulletin to device */
770 memcpy(bp->dev->dev_addr, bulletin.mac, ETH_ALEN);
771
772 /* check if bulletin board was updated */
773 if (bnx2x_sample_bulletin(bp) == PFVF_BULLETIN_UPDATED) {
774 /* copy mac from device to request */
775 memcpy(req->filters[0].mac, bp->dev->dev_addr,
776 ETH_ALEN);
777
778 /* send message to pf */
779 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status,
780 bp->vf2pf_mbox_mapping);
781 } else {
782 /* no new info in bulletin */
783 break;
784 }
785 }
786
787 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
788 BNX2X_ERR("vfpf SET MAC failed: %d\n", resp->hdr.status);
789 rc = -EINVAL;
790 }
791 out:
792 bnx2x_vfpf_finalize(bp, &req->first_tlv);
793
794 return rc;
795 }
796
797 /* request pf to config rss table for vf queues*/
798 int bnx2x_vfpf_config_rss(struct bnx2x *bp,
799 struct bnx2x_config_rss_params *params)
800 {
801 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
802 struct vfpf_rss_tlv *req = &bp->vf2pf_mbox->req.update_rss;
803 int rc = 0;
804
805 /* clear mailbox and prep first tlv */
806 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_UPDATE_RSS,
807 sizeof(*req));
808
809 /* add list termination tlv */
810 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
811 sizeof(struct channel_list_end_tlv));
812
813 memcpy(req->ind_table, params->ind_table, T_ETH_INDIRECTION_TABLE_SIZE);
814 memcpy(req->rss_key, params->rss_key, sizeof(params->rss_key));
815 req->ind_table_size = T_ETH_INDIRECTION_TABLE_SIZE;
816 req->rss_key_size = T_ETH_RSS_KEY;
817 req->rss_result_mask = params->rss_result_mask;
818
819 /* flags handled individually for backward/forward compatibility */
820 if (params->rss_flags & (1 << BNX2X_RSS_MODE_DISABLED))
821 req->rss_flags |= VFPF_RSS_MODE_DISABLED;
822 if (params->rss_flags & (1 << BNX2X_RSS_MODE_REGULAR))
823 req->rss_flags |= VFPF_RSS_MODE_REGULAR;
824 if (params->rss_flags & (1 << BNX2X_RSS_SET_SRCH))
825 req->rss_flags |= VFPF_RSS_SET_SRCH;
826 if (params->rss_flags & (1 << BNX2X_RSS_IPV4))
827 req->rss_flags |= VFPF_RSS_IPV4;
828 if (params->rss_flags & (1 << BNX2X_RSS_IPV4_TCP))
829 req->rss_flags |= VFPF_RSS_IPV4_TCP;
830 if (params->rss_flags & (1 << BNX2X_RSS_IPV4_UDP))
831 req->rss_flags |= VFPF_RSS_IPV4_UDP;
832 if (params->rss_flags & (1 << BNX2X_RSS_IPV6))
833 req->rss_flags |= VFPF_RSS_IPV6;
834 if (params->rss_flags & (1 << BNX2X_RSS_IPV6_TCP))
835 req->rss_flags |= VFPF_RSS_IPV6_TCP;
836 if (params->rss_flags & (1 << BNX2X_RSS_IPV6_UDP))
837 req->rss_flags |= VFPF_RSS_IPV6_UDP;
838
839 DP(BNX2X_MSG_IOV, "rss flags %x\n", req->rss_flags);
840
841 /* output tlvs list */
842 bnx2x_dp_tlv_list(bp, req);
843
844 /* send message to pf */
845 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
846 if (rc) {
847 BNX2X_ERR("failed to send message to pf. rc was %d\n", rc);
848 goto out;
849 }
850
851 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
852 /* Since older drivers don't support this feature (and VF has
853 * no way of knowing other than failing this), don't propagate
854 * an error in this case.
855 */
856 DP(BNX2X_MSG_IOV,
857 "Failed to send rss message to PF over VF-PF channel [%d]\n",
858 resp->hdr.status);
859 }
860 out:
861 bnx2x_vfpf_finalize(bp, &req->first_tlv);
862
863 return rc;
864 }
865
866 int bnx2x_vfpf_set_mcast(struct net_device *dev)
867 {
868 struct bnx2x *bp = netdev_priv(dev);
869 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters;
870 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
871 int rc = 0, i = 0;
872 struct netdev_hw_addr *ha;
873
874 if (bp->state != BNX2X_STATE_OPEN) {
875 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
876 return -EINVAL;
877 }
878
879 /* clear mailbox and prep first tlv */
880 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS,
881 sizeof(*req));
882
883 /* Get Rx mode requested */
884 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
885
886 /* We support PFVF_MAX_MULTICAST_PER_VF mcast addresses tops */
887 if (netdev_mc_count(dev) > PFVF_MAX_MULTICAST_PER_VF) {
888 DP(NETIF_MSG_IFUP,
889 "VF supports not more than %d multicast MAC addresses\n",
890 PFVF_MAX_MULTICAST_PER_VF);
891 rc = -EINVAL;
892 goto out;
893 }
894
895 netdev_for_each_mc_addr(ha, dev) {
896 DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n",
897 bnx2x_mc_addr(ha));
898 memcpy(req->multicast[i], bnx2x_mc_addr(ha), ETH_ALEN);
899 i++;
900 }
901
902 req->n_multicast = i;
903 req->flags |= VFPF_SET_Q_FILTERS_MULTICAST_CHANGED;
904 req->vf_qid = 0;
905
906 /* add list termination tlv */
907 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
908 sizeof(struct channel_list_end_tlv));
909
910 /* output tlvs list */
911 bnx2x_dp_tlv_list(bp, req);
912 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
913 if (rc) {
914 BNX2X_ERR("Sending a message failed: %d\n", rc);
915 goto out;
916 }
917
918 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
919 BNX2X_ERR("Set Rx mode/multicast failed: %d\n",
920 resp->hdr.status);
921 rc = -EINVAL;
922 }
923 out:
924 bnx2x_vfpf_finalize(bp, &req->first_tlv);
925
926 return rc;
927 }
928
929 /* request pf to add a vlan for the vf */
930 int bnx2x_vfpf_update_vlan(struct bnx2x *bp, u16 vid, u8 vf_qid, bool add)
931 {
932 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters;
933 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
934 int rc = 0;
935
936 if (!(bp->acquire_resp.pfdev_info.pf_cap & PFVF_CAP_VLAN_FILTER)) {
937 DP(BNX2X_MSG_IOV, "HV does not support vlan filtering\n");
938 return 0;
939 }
940
941 /* clear mailbox and prep first tlv */
942 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS,
943 sizeof(*req));
944
945 req->flags = VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED;
946 req->vf_qid = vf_qid;
947 req->n_mac_vlan_filters = 1;
948
949 req->filters[0].flags = VFPF_Q_FILTER_VLAN_TAG_VALID;
950
951 if (add)
952 req->filters[0].flags |= VFPF_Q_FILTER_SET;
953
954 /* sample bulletin board for hypervisor vlan */
955 bnx2x_sample_bulletin(bp);
956
957 if (bp->shadow_bulletin.content.valid_bitmap & 1 << VLAN_VALID) {
958 BNX2X_ERR("Hypervisor will dicline the request, avoiding\n");
959 rc = -EINVAL;
960 goto out;
961 }
962
963 req->filters[0].vlan_tag = vid;
964
965 /* add list termination tlv */
966 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
967 sizeof(struct channel_list_end_tlv));
968
969 /* output tlvs list */
970 bnx2x_dp_tlv_list(bp, req);
971
972 /* send message to pf */
973 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
974 if (rc) {
975 BNX2X_ERR("failed to send message to pf. rc was %d\n", rc);
976 goto out;
977 }
978
979 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
980 BNX2X_ERR("vfpf %s VLAN %d failed\n", add ? "add" : "del",
981 vid);
982 rc = -EINVAL;
983 }
984 out:
985 bnx2x_vfpf_finalize(bp, &req->first_tlv);
986
987 return rc;
988 }
989
990 int bnx2x_vfpf_storm_rx_mode(struct bnx2x *bp)
991 {
992 int mode = bp->rx_mode;
993 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters;
994 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
995 int rc;
996
997 /* clear mailbox and prep first tlv */
998 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS,
999 sizeof(*req));
1000
1001 DP(NETIF_MSG_IFUP, "Rx mode is %d\n", mode);
1002
1003 /* Ignore everything accept MODE_NONE */
1004 if (mode == BNX2X_RX_MODE_NONE) {
1005 req->rx_mask = VFPF_RX_MASK_ACCEPT_NONE;
1006 } else {
1007 /* Current PF driver will not look at the specific flags,
1008 * but they are required when working with older drivers on hv.
1009 */
1010 req->rx_mask = VFPF_RX_MASK_ACCEPT_MATCHED_MULTICAST;
1011 req->rx_mask |= VFPF_RX_MASK_ACCEPT_MATCHED_UNICAST;
1012 req->rx_mask |= VFPF_RX_MASK_ACCEPT_BROADCAST;
1013 if (mode == BNX2X_RX_MODE_PROMISC)
1014 req->rx_mask |= VFPF_RX_MASK_ACCEPT_ANY_VLAN;
1015 }
1016
1017 if (bp->accept_any_vlan)
1018 req->rx_mask |= VFPF_RX_MASK_ACCEPT_ANY_VLAN;
1019
1020 req->flags |= VFPF_SET_Q_FILTERS_RX_MASK_CHANGED;
1021 req->vf_qid = 0;
1022
1023 /* add list termination tlv */
1024 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
1025 sizeof(struct channel_list_end_tlv));
1026
1027 /* output tlvs list */
1028 bnx2x_dp_tlv_list(bp, req);
1029
1030 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
1031 if (rc)
1032 BNX2X_ERR("Sending a message failed: %d\n", rc);
1033
1034 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1035 BNX2X_ERR("Set Rx mode failed: %d\n", resp->hdr.status);
1036 rc = -EINVAL;
1037 }
1038
1039 bnx2x_vfpf_finalize(bp, &req->first_tlv);
1040
1041 return rc;
1042 }
1043
1044 /* General service functions */
1045 static void storm_memset_vf_mbx_ack(struct bnx2x *bp, u16 abs_fid)
1046 {
1047 u32 addr = BAR_CSTRORM_INTMEM +
1048 CSTORM_VF_PF_CHANNEL_STATE_OFFSET(abs_fid);
1049
1050 REG_WR8(bp, addr, VF_PF_CHANNEL_STATE_READY);
1051 }
1052
1053 static void storm_memset_vf_mbx_valid(struct bnx2x *bp, u16 abs_fid)
1054 {
1055 u32 addr = BAR_CSTRORM_INTMEM +
1056 CSTORM_VF_PF_CHANNEL_VALID_OFFSET(abs_fid);
1057
1058 REG_WR8(bp, addr, 1);
1059 }
1060
1061 /* enable vf_pf mailbox (aka vf-pf-channel) */
1062 void bnx2x_vf_enable_mbx(struct bnx2x *bp, u8 abs_vfid)
1063 {
1064 bnx2x_vf_flr_clnup_epilog(bp, abs_vfid);
1065
1066 /* enable the mailbox in the FW */
1067 storm_memset_vf_mbx_ack(bp, abs_vfid);
1068 storm_memset_vf_mbx_valid(bp, abs_vfid);
1069
1070 /* enable the VF access to the mailbox */
1071 bnx2x_vf_enable_access(bp, abs_vfid);
1072 }
1073
1074 /* this works only on !E1h */
1075 static int bnx2x_copy32_vf_dmae(struct bnx2x *bp, u8 from_vf,
1076 dma_addr_t pf_addr, u8 vfid, u32 vf_addr_hi,
1077 u32 vf_addr_lo, u32 len32)
1078 {
1079 struct dmae_command dmae;
1080
1081 if (CHIP_IS_E1x(bp)) {
1082 BNX2X_ERR("Chip revision does not support VFs\n");
1083 return DMAE_NOT_RDY;
1084 }
1085
1086 if (!bp->dmae_ready) {
1087 BNX2X_ERR("DMAE is not ready, can not copy\n");
1088 return DMAE_NOT_RDY;
1089 }
1090
1091 /* set opcode and fixed command fields */
1092 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_PCI);
1093
1094 if (from_vf) {
1095 dmae.opcode_iov = (vfid << DMAE_COMMAND_SRC_VFID_SHIFT) |
1096 (DMAE_SRC_VF << DMAE_COMMAND_SRC_VFPF_SHIFT) |
1097 (DMAE_DST_PF << DMAE_COMMAND_DST_VFPF_SHIFT);
1098
1099 dmae.opcode |= (DMAE_C_DST << DMAE_COMMAND_C_FUNC_SHIFT);
1100
1101 dmae.src_addr_lo = vf_addr_lo;
1102 dmae.src_addr_hi = vf_addr_hi;
1103 dmae.dst_addr_lo = U64_LO(pf_addr);
1104 dmae.dst_addr_hi = U64_HI(pf_addr);
1105 } else {
1106 dmae.opcode_iov = (vfid << DMAE_COMMAND_DST_VFID_SHIFT) |
1107 (DMAE_DST_VF << DMAE_COMMAND_DST_VFPF_SHIFT) |
1108 (DMAE_SRC_PF << DMAE_COMMAND_SRC_VFPF_SHIFT);
1109
1110 dmae.opcode |= (DMAE_C_SRC << DMAE_COMMAND_C_FUNC_SHIFT);
1111
1112 dmae.src_addr_lo = U64_LO(pf_addr);
1113 dmae.src_addr_hi = U64_HI(pf_addr);
1114 dmae.dst_addr_lo = vf_addr_lo;
1115 dmae.dst_addr_hi = vf_addr_hi;
1116 }
1117 dmae.len = len32;
1118
1119 /* issue the command and wait for completion */
1120 return bnx2x_issue_dmae_with_comp(bp, &dmae, bnx2x_sp(bp, wb_comp));
1121 }
1122
1123 static void bnx2x_vf_mbx_resp_single_tlv(struct bnx2x *bp,
1124 struct bnx2x_virtf *vf)
1125 {
1126 struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf->index);
1127 u16 length, type;
1128
1129 /* prepare response */
1130 type = mbx->first_tlv.tl.type;
1131 length = type == CHANNEL_TLV_ACQUIRE ?
1132 sizeof(struct pfvf_acquire_resp_tlv) :
1133 sizeof(struct pfvf_general_resp_tlv);
1134 bnx2x_add_tlv(bp, &mbx->msg->resp, 0, type, length);
1135 bnx2x_add_tlv(bp, &mbx->msg->resp, length, CHANNEL_TLV_LIST_END,
1136 sizeof(struct channel_list_end_tlv));
1137 }
1138
1139 static void bnx2x_vf_mbx_resp_send_msg(struct bnx2x *bp,
1140 struct bnx2x_virtf *vf,
1141 int vf_rc)
1142 {
1143 struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf->index);
1144 struct pfvf_general_resp_tlv *resp = &mbx->msg->resp.general_resp;
1145 dma_addr_t pf_addr;
1146 u64 vf_addr;
1147 int rc;
1148
1149 bnx2x_dp_tlv_list(bp, resp);
1150 DP(BNX2X_MSG_IOV, "mailbox vf address hi 0x%x, lo 0x%x, offset 0x%x\n",
1151 mbx->vf_addr_hi, mbx->vf_addr_lo, mbx->first_tlv.resp_msg_offset);
1152
1153 resp->hdr.status = bnx2x_pfvf_status_codes(vf_rc);
1154
1155 /* send response */
1156 vf_addr = HILO_U64(mbx->vf_addr_hi, mbx->vf_addr_lo) +
1157 mbx->first_tlv.resp_msg_offset;
1158 pf_addr = mbx->msg_mapping +
1159 offsetof(struct bnx2x_vf_mbx_msg, resp);
1160
1161 /* Copy the response buffer. The first u64 is written afterwards, as
1162 * the vf is sensitive to the header being written
1163 */
1164 vf_addr += sizeof(u64);
1165 pf_addr += sizeof(u64);
1166 rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, vf->abs_vfid,
1167 U64_HI(vf_addr),
1168 U64_LO(vf_addr),
1169 (sizeof(union pfvf_tlvs) - sizeof(u64))/4);
1170 if (rc) {
1171 BNX2X_ERR("Failed to copy response body to VF %d\n",
1172 vf->abs_vfid);
1173 goto mbx_error;
1174 }
1175 vf_addr -= sizeof(u64);
1176 pf_addr -= sizeof(u64);
1177
1178 /* ack the FW */
1179 storm_memset_vf_mbx_ack(bp, vf->abs_vfid);
1180 mmiowb();
1181
1182 /* copy the response header including status-done field,
1183 * must be last dmae, must be after FW is acked
1184 */
1185 rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, vf->abs_vfid,
1186 U64_HI(vf_addr),
1187 U64_LO(vf_addr),
1188 sizeof(u64)/4);
1189
1190 /* unlock channel mutex */
1191 bnx2x_unlock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type);
1192
1193 if (rc) {
1194 BNX2X_ERR("Failed to copy response status to VF %d\n",
1195 vf->abs_vfid);
1196 goto mbx_error;
1197 }
1198 return;
1199
1200 mbx_error:
1201 bnx2x_vf_release(bp, vf);
1202 }
1203
1204 static void bnx2x_vf_mbx_resp(struct bnx2x *bp,
1205 struct bnx2x_virtf *vf,
1206 int rc)
1207 {
1208 bnx2x_vf_mbx_resp_single_tlv(bp, vf);
1209 bnx2x_vf_mbx_resp_send_msg(bp, vf, rc);
1210 }
1211
1212 static void bnx2x_vf_mbx_resp_phys_port(struct bnx2x *bp,
1213 struct bnx2x_virtf *vf,
1214 void *buffer,
1215 u16 *offset)
1216 {
1217 struct vfpf_port_phys_id_resp_tlv *port_id;
1218
1219 if (!(bp->flags & HAS_PHYS_PORT_ID))
1220 return;
1221
1222 bnx2x_add_tlv(bp, buffer, *offset, CHANNEL_TLV_PHYS_PORT_ID,
1223 sizeof(struct vfpf_port_phys_id_resp_tlv));
1224
1225 port_id = (struct vfpf_port_phys_id_resp_tlv *)
1226 (((u8 *)buffer) + *offset);
1227 memcpy(port_id->id, bp->phys_port_id, ETH_ALEN);
1228
1229 /* Offset should continue representing the offset to the tail
1230 * of TLV data (outside this function scope)
1231 */
1232 *offset += sizeof(struct vfpf_port_phys_id_resp_tlv);
1233 }
1234
1235 static void bnx2x_vf_mbx_resp_fp_hsi_ver(struct bnx2x *bp,
1236 struct bnx2x_virtf *vf,
1237 void *buffer,
1238 u16 *offset)
1239 {
1240 struct vfpf_fp_hsi_resp_tlv *fp_hsi;
1241
1242 bnx2x_add_tlv(bp, buffer, *offset, CHANNEL_TLV_FP_HSI_SUPPORT,
1243 sizeof(struct vfpf_fp_hsi_resp_tlv));
1244
1245 fp_hsi = (struct vfpf_fp_hsi_resp_tlv *)
1246 (((u8 *)buffer) + *offset);
1247 fp_hsi->is_supported = (vf->fp_hsi > ETH_FP_HSI_VERSION) ? 0 : 1;
1248
1249 /* Offset should continue representing the offset to the tail
1250 * of TLV data (outside this function scope)
1251 */
1252 *offset += sizeof(struct vfpf_fp_hsi_resp_tlv);
1253 }
1254
1255 static void bnx2x_vf_mbx_acquire_resp(struct bnx2x *bp, struct bnx2x_virtf *vf,
1256 struct bnx2x_vf_mbx *mbx, int vfop_status)
1257 {
1258 int i;
1259 struct pfvf_acquire_resp_tlv *resp = &mbx->msg->resp.acquire_resp;
1260 struct pf_vf_resc *resc = &resp->resc;
1261 u8 status = bnx2x_pfvf_status_codes(vfop_status);
1262 u16 length;
1263
1264 memset(resp, 0, sizeof(*resp));
1265
1266 /* fill in pfdev info */
1267 resp->pfdev_info.chip_num = bp->common.chip_id;
1268 resp->pfdev_info.db_size = bp->db_size;
1269 resp->pfdev_info.indices_per_sb = HC_SB_MAX_INDICES_E2;
1270 resp->pfdev_info.pf_cap = (PFVF_CAP_RSS |
1271 PFVF_CAP_TPA |
1272 PFVF_CAP_TPA_UPDATE |
1273 PFVF_CAP_VLAN_FILTER);
1274 bnx2x_fill_fw_str(bp, resp->pfdev_info.fw_ver,
1275 sizeof(resp->pfdev_info.fw_ver));
1276
1277 if (status == PFVF_STATUS_NO_RESOURCE ||
1278 status == PFVF_STATUS_SUCCESS) {
1279 /* set resources numbers, if status equals NO_RESOURCE these
1280 * are max possible numbers
1281 */
1282 resc->num_rxqs = vf_rxq_count(vf) ? :
1283 bnx2x_vf_max_queue_cnt(bp, vf);
1284 resc->num_txqs = vf_txq_count(vf) ? :
1285 bnx2x_vf_max_queue_cnt(bp, vf);
1286 resc->num_sbs = vf_sb_count(vf);
1287 resc->num_mac_filters = vf_mac_rules_cnt(vf);
1288 resc->num_vlan_filters = vf_vlan_rules_cnt(vf);
1289 resc->num_mc_filters = 0;
1290
1291 if (status == PFVF_STATUS_SUCCESS) {
1292 /* fill in the allocated resources */
1293 struct pf_vf_bulletin_content *bulletin =
1294 BP_VF_BULLETIN(bp, vf->index);
1295
1296 for_each_vfq(vf, i)
1297 resc->hw_qid[i] =
1298 vfq_qzone_id(vf, vfq_get(vf, i));
1299
1300 for_each_vf_sb(vf, i) {
1301 resc->hw_sbs[i].hw_sb_id = vf_igu_sb(vf, i);
1302 resc->hw_sbs[i].sb_qid = vf_hc_qzone(vf, i);
1303 }
1304
1305 /* if a mac has been set for this vf, supply it */
1306 if (bulletin->valid_bitmap & 1 << MAC_ADDR_VALID) {
1307 memcpy(resc->current_mac_addr, bulletin->mac,
1308 ETH_ALEN);
1309 }
1310 }
1311 }
1312
1313 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"
1314 "resources- n_rxq-%d, n_txq-%d, n_sbs-%d, n_macs-%d, n_vlans-%d, n_mcs-%d, fw_ver: '%s'\n",
1315 vf->abs_vfid,
1316 resp->pfdev_info.chip_num,
1317 resp->pfdev_info.db_size,
1318 resp->pfdev_info.indices_per_sb,
1319 resp->pfdev_info.pf_cap,
1320 resc->num_rxqs,
1321 resc->num_txqs,
1322 resc->num_sbs,
1323 resc->num_mac_filters,
1324 resc->num_vlan_filters,
1325 resc->num_mc_filters,
1326 resp->pfdev_info.fw_ver);
1327
1328 DP_CONT(BNX2X_MSG_IOV, "hw_qids- [ ");
1329 for (i = 0; i < vf_rxq_count(vf); i++)
1330 DP_CONT(BNX2X_MSG_IOV, "%d ", resc->hw_qid[i]);
1331 DP_CONT(BNX2X_MSG_IOV, "], sb_info- [ ");
1332 for (i = 0; i < vf_sb_count(vf); i++)
1333 DP_CONT(BNX2X_MSG_IOV, "%d:%d ",
1334 resc->hw_sbs[i].hw_sb_id,
1335 resc->hw_sbs[i].sb_qid);
1336 DP_CONT(BNX2X_MSG_IOV, "]\n");
1337
1338 /* prepare response */
1339 length = sizeof(struct pfvf_acquire_resp_tlv);
1340 bnx2x_add_tlv(bp, &mbx->msg->resp, 0, CHANNEL_TLV_ACQUIRE, length);
1341
1342 /* Handle possible VF requests for physical port identifiers.
1343 * 'length' should continue to indicate the offset of the first empty
1344 * place in the buffer (i.e., where next TLV should be inserted)
1345 */
1346 if (bnx2x_search_tlv_list(bp, &mbx->msg->req,
1347 CHANNEL_TLV_PHYS_PORT_ID))
1348 bnx2x_vf_mbx_resp_phys_port(bp, vf, &mbx->msg->resp, &length);
1349
1350 /* `New' vfs will want to know if fastpath HSI is supported, since
1351 * if that's not the case they could print into system log the fact
1352 * the driver version must be updated.
1353 */
1354 bnx2x_vf_mbx_resp_fp_hsi_ver(bp, vf, &mbx->msg->resp, &length);
1355
1356 bnx2x_add_tlv(bp, &mbx->msg->resp, length, CHANNEL_TLV_LIST_END,
1357 sizeof(struct channel_list_end_tlv));
1358
1359 /* send the response */
1360 bnx2x_vf_mbx_resp_send_msg(bp, vf, vfop_status);
1361 }
1362
1363 static bool bnx2x_vf_mbx_is_windows_vm(struct bnx2x *bp,
1364 struct vfpf_acquire_tlv *acquire)
1365 {
1366 /* Windows driver does one of three things:
1367 * 1. Old driver doesn't have bulletin board address set.
1368 * 2. 'Middle' driver sends mc_num == 32.
1369 * 3. New driver sets the OS field.
1370 */
1371 if (!acquire->bulletin_addr ||
1372 acquire->resc_request.num_mc_filters == 32 ||
1373 ((acquire->vfdev_info.vf_os & VF_OS_MASK) ==
1374 VF_OS_WINDOWS))
1375 return true;
1376
1377 return false;
1378 }
1379
1380 static int bnx2x_vf_mbx_acquire_chk_dorq(struct bnx2x *bp,
1381 struct bnx2x_virtf *vf,
1382 struct bnx2x_vf_mbx *mbx)
1383 {
1384 /* Linux drivers which correctly set the doorbell size also
1385 * send a physical port request
1386 */
1387 if (bnx2x_search_tlv_list(bp, &mbx->msg->req,
1388 CHANNEL_TLV_PHYS_PORT_ID))
1389 return 0;
1390
1391 /* Issue does not exist in windows VMs */
1392 if (bnx2x_vf_mbx_is_windows_vm(bp, &mbx->msg->req.acquire))
1393 return 0;
1394
1395 return -EOPNOTSUPP;
1396 }
1397
1398 static void bnx2x_vf_mbx_acquire(struct bnx2x *bp, struct bnx2x_virtf *vf,
1399 struct bnx2x_vf_mbx *mbx)
1400 {
1401 int rc;
1402 struct vfpf_acquire_tlv *acquire = &mbx->msg->req.acquire;
1403
1404 /* log vfdef info */
1405 DP(BNX2X_MSG_IOV,
1406 "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",
1407 vf->abs_vfid, acquire->vfdev_info.vf_id, acquire->vfdev_info.vf_os,
1408 acquire->resc_request.num_rxqs, acquire->resc_request.num_txqs,
1409 acquire->resc_request.num_sbs, acquire->resc_request.num_mac_filters,
1410 acquire->resc_request.num_vlan_filters,
1411 acquire->resc_request.num_mc_filters);
1412
1413 /* Prevent VFs with old drivers from loading, since they calculate
1414 * CIDs incorrectly requiring a VF-flr [VM reboot] in order to recover
1415 * while being upgraded.
1416 */
1417 rc = bnx2x_vf_mbx_acquire_chk_dorq(bp, vf, mbx);
1418 if (rc) {
1419 DP(BNX2X_MSG_IOV,
1420 "VF [%d] - Can't support acquire request due to doorbell mismatch. Please update VM driver\n",
1421 vf->abs_vfid);
1422 goto out;
1423 }
1424
1425 /* Verify the VF fastpath HSI can be supported by the loaded FW.
1426 * Linux vfs should be oblivious to changes between v0 and v2.
1427 */
1428 if (bnx2x_vf_mbx_is_windows_vm(bp, &mbx->msg->req.acquire))
1429 vf->fp_hsi = acquire->vfdev_info.fp_hsi_ver;
1430 else
1431 vf->fp_hsi = max_t(u8, acquire->vfdev_info.fp_hsi_ver,
1432 ETH_FP_HSI_VER_2);
1433 if (vf->fp_hsi > ETH_FP_HSI_VERSION) {
1434 DP(BNX2X_MSG_IOV,
1435 "VF [%d] - Can't support acquire request since VF requests a FW version which is too new [%02x > %02x]\n",
1436 vf->abs_vfid, acquire->vfdev_info.fp_hsi_ver,
1437 ETH_FP_HSI_VERSION);
1438 rc = -EINVAL;
1439 goto out;
1440 }
1441
1442 /* acquire the resources */
1443 rc = bnx2x_vf_acquire(bp, vf, &acquire->resc_request);
1444
1445 /* store address of vf's bulletin board */
1446 vf->bulletin_map = acquire->bulletin_addr;
1447 if (acquire->vfdev_info.caps & VF_CAP_SUPPORT_EXT_BULLETIN) {
1448 DP(BNX2X_MSG_IOV, "VF[%d] supports long bulletin boards\n",
1449 vf->abs_vfid);
1450 vf->cfg_flags |= VF_CFG_EXT_BULLETIN;
1451 } else {
1452 vf->cfg_flags &= ~VF_CFG_EXT_BULLETIN;
1453 }
1454
1455 if (acquire->vfdev_info.caps & VF_CAP_SUPPORT_VLAN_FILTER) {
1456 DP(BNX2X_MSG_IOV, "VF[%d] supports vlan filtering\n",
1457 vf->abs_vfid);
1458 vf->cfg_flags |= VF_CFG_VLAN_FILTER;
1459 } else {
1460 vf->cfg_flags &= ~VF_CFG_VLAN_FILTER;
1461 }
1462
1463 out:
1464 /* response */
1465 bnx2x_vf_mbx_acquire_resp(bp, vf, mbx, rc);
1466 }
1467
1468 static void bnx2x_vf_mbx_init_vf(struct bnx2x *bp, struct bnx2x_virtf *vf,
1469 struct bnx2x_vf_mbx *mbx)
1470 {
1471 struct vfpf_init_tlv *init = &mbx->msg->req.init;
1472 int rc;
1473
1474 /* record ghost addresses from vf message */
1475 vf->fw_stat_map = init->stats_addr;
1476 vf->stats_stride = init->stats_stride;
1477 rc = bnx2x_vf_init(bp, vf, (dma_addr_t *)init->sb_addr);
1478
1479 /* set VF multiqueue statistics collection mode */
1480 if (init->flags & VFPF_INIT_FLG_STATS_COALESCE)
1481 vf->cfg_flags |= VF_CFG_STATS_COALESCE;
1482
1483 /* Update VF's view of link state */
1484 if (vf->cfg_flags & VF_CFG_EXT_BULLETIN)
1485 bnx2x_iov_link_update_vf(bp, vf->index);
1486
1487 /* response */
1488 bnx2x_vf_mbx_resp(bp, vf, rc);
1489 }
1490
1491 /* convert MBX queue-flags to standard SP queue-flags */
1492 static void bnx2x_vf_mbx_set_q_flags(struct bnx2x *bp, u32 mbx_q_flags,
1493 unsigned long *sp_q_flags)
1494 {
1495 if (mbx_q_flags & VFPF_QUEUE_FLG_TPA)
1496 __set_bit(BNX2X_Q_FLG_TPA, sp_q_flags);
1497 if (mbx_q_flags & VFPF_QUEUE_FLG_TPA_IPV6)
1498 __set_bit(BNX2X_Q_FLG_TPA_IPV6, sp_q_flags);
1499 if (mbx_q_flags & VFPF_QUEUE_FLG_TPA_GRO)
1500 __set_bit(BNX2X_Q_FLG_TPA_GRO, sp_q_flags);
1501 if (mbx_q_flags & VFPF_QUEUE_FLG_STATS)
1502 __set_bit(BNX2X_Q_FLG_STATS, sp_q_flags);
1503 if (mbx_q_flags & VFPF_QUEUE_FLG_VLAN)
1504 __set_bit(BNX2X_Q_FLG_VLAN, sp_q_flags);
1505 if (mbx_q_flags & VFPF_QUEUE_FLG_COS)
1506 __set_bit(BNX2X_Q_FLG_COS, sp_q_flags);
1507 if (mbx_q_flags & VFPF_QUEUE_FLG_HC)
1508 __set_bit(BNX2X_Q_FLG_HC, sp_q_flags);
1509 if (mbx_q_flags & VFPF_QUEUE_FLG_DHC)
1510 __set_bit(BNX2X_Q_FLG_DHC, sp_q_flags);
1511 if (mbx_q_flags & VFPF_QUEUE_FLG_LEADING_RSS)
1512 __set_bit(BNX2X_Q_FLG_LEADING_RSS, sp_q_flags);
1513
1514 /* outer vlan removal is set according to PF's multi function mode */
1515 if (IS_MF_SD(bp))
1516 __set_bit(BNX2X_Q_FLG_OV, sp_q_flags);
1517 }
1518
1519 static void bnx2x_vf_mbx_setup_q(struct bnx2x *bp, struct bnx2x_virtf *vf,
1520 struct bnx2x_vf_mbx *mbx)
1521 {
1522 struct vfpf_setup_q_tlv *setup_q = &mbx->msg->req.setup_q;
1523 struct bnx2x_vf_queue_construct_params qctor;
1524 int rc = 0;
1525
1526 /* verify vf_qid */
1527 if (setup_q->vf_qid >= vf_rxq_count(vf)) {
1528 BNX2X_ERR("vf_qid %d invalid, max queue count is %d\n",
1529 setup_q->vf_qid, vf_rxq_count(vf));
1530 rc = -EINVAL;
1531 goto response;
1532 }
1533
1534 /* tx queues must be setup alongside rx queues thus if the rx queue
1535 * is not marked as valid there's nothing to do.
1536 */
1537 if (setup_q->param_valid & (VFPF_RXQ_VALID|VFPF_TXQ_VALID)) {
1538 struct bnx2x_vf_queue *q = vfq_get(vf, setup_q->vf_qid);
1539 unsigned long q_type = 0;
1540
1541 struct bnx2x_queue_init_params *init_p;
1542 struct bnx2x_queue_setup_params *setup_p;
1543
1544 if (bnx2x_vfq_is_leading(q))
1545 bnx2x_leading_vfq_init(bp, vf, q);
1546
1547 /* re-init the VF operation context */
1548 memset(&qctor, 0 ,
1549 sizeof(struct bnx2x_vf_queue_construct_params));
1550 setup_p = &qctor.prep_qsetup;
1551 init_p = &qctor.qstate.params.init;
1552
1553 /* activate immediately */
1554 __set_bit(BNX2X_Q_FLG_ACTIVE, &setup_p->flags);
1555
1556 if (setup_q->param_valid & VFPF_TXQ_VALID) {
1557 struct bnx2x_txq_setup_params *txq_params =
1558 &setup_p->txq_params;
1559
1560 __set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type);
1561
1562 /* save sb resource index */
1563 q->sb_idx = setup_q->txq.vf_sb;
1564
1565 /* tx init */
1566 init_p->tx.hc_rate = setup_q->txq.hc_rate;
1567 init_p->tx.sb_cq_index = setup_q->txq.sb_index;
1568
1569 bnx2x_vf_mbx_set_q_flags(bp, setup_q->txq.flags,
1570 &init_p->tx.flags);
1571
1572 /* tx setup - flags */
1573 bnx2x_vf_mbx_set_q_flags(bp, setup_q->txq.flags,
1574 &setup_p->flags);
1575
1576 /* tx setup - general, nothing */
1577
1578 /* tx setup - tx */
1579 txq_params->dscr_map = setup_q->txq.txq_addr;
1580 txq_params->sb_cq_index = setup_q->txq.sb_index;
1581 txq_params->traffic_type = setup_q->txq.traffic_type;
1582
1583 bnx2x_vfop_qctor_dump_tx(bp, vf, init_p, setup_p,
1584 q->index, q->sb_idx);
1585 }
1586
1587 if (setup_q->param_valid & VFPF_RXQ_VALID) {
1588 struct bnx2x_rxq_setup_params *rxq_params =
1589 &setup_p->rxq_params;
1590
1591 __set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type);
1592
1593 /* Note: there is no support for different SBs
1594 * for TX and RX
1595 */
1596 q->sb_idx = setup_q->rxq.vf_sb;
1597
1598 /* rx init */
1599 init_p->rx.hc_rate = setup_q->rxq.hc_rate;
1600 init_p->rx.sb_cq_index = setup_q->rxq.sb_index;
1601 bnx2x_vf_mbx_set_q_flags(bp, setup_q->rxq.flags,
1602 &init_p->rx.flags);
1603
1604 /* rx setup - flags */
1605 bnx2x_vf_mbx_set_q_flags(bp, setup_q->rxq.flags,
1606 &setup_p->flags);
1607
1608 /* rx setup - general */
1609 setup_p->gen_params.mtu = setup_q->rxq.mtu;
1610
1611 /* rx setup - rx */
1612 rxq_params->drop_flags = setup_q->rxq.drop_flags;
1613 rxq_params->dscr_map = setup_q->rxq.rxq_addr;
1614 rxq_params->sge_map = setup_q->rxq.sge_addr;
1615 rxq_params->rcq_map = setup_q->rxq.rcq_addr;
1616 rxq_params->rcq_np_map = setup_q->rxq.rcq_np_addr;
1617 rxq_params->buf_sz = setup_q->rxq.buf_sz;
1618 rxq_params->tpa_agg_sz = setup_q->rxq.tpa_agg_sz;
1619 rxq_params->max_sges_pkt = setup_q->rxq.max_sge_pkt;
1620 rxq_params->sge_buf_sz = setup_q->rxq.sge_buf_sz;
1621 rxq_params->cache_line_log =
1622 setup_q->rxq.cache_line_log;
1623 rxq_params->sb_cq_index = setup_q->rxq.sb_index;
1624
1625 /* rx setup - multicast engine */
1626 if (bnx2x_vfq_is_leading(q)) {
1627 u8 mcast_id = FW_VF_HANDLE(vf->abs_vfid);
1628
1629 rxq_params->mcast_engine_id = mcast_id;
1630 __set_bit(BNX2X_Q_FLG_MCAST, &setup_p->flags);
1631 }
1632
1633 bnx2x_vfop_qctor_dump_rx(bp, vf, init_p, setup_p,
1634 q->index, q->sb_idx);
1635 }
1636 /* complete the preparations */
1637 bnx2x_vfop_qctor_prep(bp, vf, q, &qctor, q_type);
1638
1639 rc = bnx2x_vf_queue_setup(bp, vf, q->index, &qctor);
1640 if (rc)
1641 goto response;
1642 }
1643 response:
1644 bnx2x_vf_mbx_resp(bp, vf, rc);
1645 }
1646
1647 static int bnx2x_vf_mbx_macvlan_list(struct bnx2x *bp,
1648 struct bnx2x_virtf *vf,
1649 struct vfpf_set_q_filters_tlv *tlv,
1650 struct bnx2x_vf_mac_vlan_filters **pfl,
1651 u32 type_flag)
1652 {
1653 int i, j;
1654 struct bnx2x_vf_mac_vlan_filters *fl = NULL;
1655 size_t fsz;
1656
1657 fsz = tlv->n_mac_vlan_filters *
1658 sizeof(struct bnx2x_vf_mac_vlan_filter) +
1659 sizeof(struct bnx2x_vf_mac_vlan_filters);
1660
1661 fl = kzalloc(fsz, GFP_KERNEL);
1662 if (!fl)
1663 return -ENOMEM;
1664
1665 for (i = 0, j = 0; i < tlv->n_mac_vlan_filters; i++) {
1666 struct vfpf_q_mac_vlan_filter *msg_filter = &tlv->filters[i];
1667
1668 if ((msg_filter->flags & type_flag) != type_flag)
1669 continue;
1670 memset(&fl->filters[j], 0, sizeof(fl->filters[j]));
1671 if (type_flag & VFPF_Q_FILTER_DEST_MAC_VALID) {
1672 fl->filters[j].mac = msg_filter->mac;
1673 fl->filters[j].type |= BNX2X_VF_FILTER_MAC;
1674 }
1675 if (type_flag & VFPF_Q_FILTER_VLAN_TAG_VALID) {
1676 fl->filters[j].vid = msg_filter->vlan_tag;
1677 fl->filters[j].type |= BNX2X_VF_FILTER_VLAN;
1678 }
1679 fl->filters[j].add = !!(msg_filter->flags & VFPF_Q_FILTER_SET);
1680 fl->count++;
1681 j++;
1682 }
1683 if (!fl->count)
1684 kfree(fl);
1685 else
1686 *pfl = fl;
1687
1688 return 0;
1689 }
1690
1691 static int bnx2x_vf_filters_contain(struct vfpf_set_q_filters_tlv *filters,
1692 u32 flags)
1693 {
1694 int i, cnt = 0;
1695
1696 for (i = 0; i < filters->n_mac_vlan_filters; i++)
1697 if ((filters->filters[i].flags & flags) == flags)
1698 cnt++;
1699
1700 return cnt;
1701 }
1702
1703 static void bnx2x_vf_mbx_dp_q_filter(struct bnx2x *bp, int msglvl, int idx,
1704 struct vfpf_q_mac_vlan_filter *filter)
1705 {
1706 DP(msglvl, "MAC-VLAN[%d] -- flags=0x%x\n", idx, filter->flags);
1707 if (filter->flags & VFPF_Q_FILTER_VLAN_TAG_VALID)
1708 DP_CONT(msglvl, ", vlan=%d", filter->vlan_tag);
1709 if (filter->flags & VFPF_Q_FILTER_DEST_MAC_VALID)
1710 DP_CONT(msglvl, ", MAC=%pM", filter->mac);
1711 DP_CONT(msglvl, "\n");
1712 }
1713
1714 static void bnx2x_vf_mbx_dp_q_filters(struct bnx2x *bp, int msglvl,
1715 struct vfpf_set_q_filters_tlv *filters)
1716 {
1717 int i;
1718
1719 if (filters->flags & VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED)
1720 for (i = 0; i < filters->n_mac_vlan_filters; i++)
1721 bnx2x_vf_mbx_dp_q_filter(bp, msglvl, i,
1722 &filters->filters[i]);
1723
1724 if (filters->flags & VFPF_SET_Q_FILTERS_RX_MASK_CHANGED)
1725 DP(msglvl, "RX-MASK=0x%x\n", filters->rx_mask);
1726
1727 if (filters->flags & VFPF_SET_Q_FILTERS_MULTICAST_CHANGED)
1728 for (i = 0; i < filters->n_multicast; i++)
1729 DP(msglvl, "MULTICAST=%pM\n", filters->multicast[i]);
1730 }
1731
1732 #define VFPF_MAC_FILTER VFPF_Q_FILTER_DEST_MAC_VALID
1733 #define VFPF_VLAN_FILTER VFPF_Q_FILTER_VLAN_TAG_VALID
1734 #define VFPF_VLAN_MAC_FILTER (VFPF_VLAN_FILTER | VFPF_MAC_FILTER)
1735
1736 static int bnx2x_vf_mbx_qfilters(struct bnx2x *bp, struct bnx2x_virtf *vf)
1737 {
1738 int rc = 0;
1739
1740 struct vfpf_set_q_filters_tlv *msg =
1741 &BP_VF_MBX(bp, vf->index)->msg->req.set_q_filters;
1742
1743 /* check for any mac/vlan changes */
1744 if (msg->flags & VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED) {
1745 struct bnx2x_vf_mac_vlan_filters *fl = NULL;
1746
1747 /* build vlan-mac list */
1748 rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl,
1749 VFPF_VLAN_MAC_FILTER);
1750 if (rc)
1751 goto op_err;
1752
1753 if (fl) {
1754
1755 /* set vlan-mac list */
1756 rc = bnx2x_vf_mac_vlan_config_list(bp, vf, fl,
1757 msg->vf_qid,
1758 false);
1759 if (rc)
1760 goto op_err;
1761 }
1762
1763 /* build mac list */
1764 fl = NULL;
1765
1766 rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl,
1767 VFPF_MAC_FILTER);
1768 if (rc)
1769 goto op_err;
1770
1771 if (fl) {
1772 /* set mac list */
1773 rc = bnx2x_vf_mac_vlan_config_list(bp, vf, fl,
1774 msg->vf_qid,
1775 false);
1776 if (rc)
1777 goto op_err;
1778 }
1779
1780 /* build vlan list */
1781 fl = NULL;
1782
1783 rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl,
1784 VFPF_VLAN_FILTER);
1785 if (rc)
1786 goto op_err;
1787
1788 if (fl) {
1789 /* set vlan list */
1790 rc = bnx2x_vf_mac_vlan_config_list(bp, vf, fl,
1791 msg->vf_qid,
1792 false);
1793 if (rc)
1794 goto op_err;
1795 }
1796
1797 }
1798
1799 if (msg->flags & VFPF_SET_Q_FILTERS_RX_MASK_CHANGED) {
1800 unsigned long accept = 0;
1801 struct pf_vf_bulletin_content *bulletin =
1802 BP_VF_BULLETIN(bp, vf->index);
1803
1804 /* Ignore VF requested mode; instead set a regular mode */
1805 if (msg->rx_mask != VFPF_RX_MASK_ACCEPT_NONE) {
1806 __set_bit(BNX2X_ACCEPT_UNICAST, &accept);
1807 __set_bit(BNX2X_ACCEPT_MULTICAST, &accept);
1808 __set_bit(BNX2X_ACCEPT_BROADCAST, &accept);
1809 }
1810
1811 /* any_vlan is not configured if HV is forcing VLAN
1812 * any_vlan is configured if
1813 * 1. VF does not support vlan filtering
1814 * OR
1815 * 2. VF supports vlan filtering and explicitly requested it
1816 */
1817 if (!(bulletin->valid_bitmap & (1 << VLAN_VALID)) &&
1818 (!(vf->cfg_flags & VF_CFG_VLAN_FILTER) ||
1819 msg->rx_mask & VFPF_RX_MASK_ACCEPT_ANY_VLAN))
1820 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept);
1821
1822 /* set rx-mode */
1823 rc = bnx2x_vf_rxmode(bp, vf, msg->vf_qid, accept);
1824 if (rc)
1825 goto op_err;
1826 }
1827
1828 if (msg->flags & VFPF_SET_Q_FILTERS_MULTICAST_CHANGED) {
1829 /* set mcasts */
1830 rc = bnx2x_vf_mcast(bp, vf, msg->multicast,
1831 msg->n_multicast, false);
1832 if (rc)
1833 goto op_err;
1834 }
1835 op_err:
1836 if (rc)
1837 BNX2X_ERR("QFILTERS[%d:%d] error: rc %d\n",
1838 vf->abs_vfid, msg->vf_qid, rc);
1839 return rc;
1840 }
1841
1842 static int bnx2x_filters_validate_mac(struct bnx2x *bp,
1843 struct bnx2x_virtf *vf,
1844 struct vfpf_set_q_filters_tlv *filters)
1845 {
1846 struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf->index);
1847 int rc = 0;
1848
1849 /* if a mac was already set for this VF via the set vf mac ndo, we only
1850 * accept mac configurations of that mac. Why accept them at all?
1851 * because PF may have been unable to configure the mac at the time
1852 * since queue was not set up.
1853 */
1854 if (bulletin->valid_bitmap & 1 << MAC_ADDR_VALID) {
1855 struct vfpf_q_mac_vlan_filter *filter = NULL;
1856 int i;
1857
1858 for (i = 0; i < filters->n_mac_vlan_filters; i++) {
1859 if (!(filters->filters[i].flags &
1860 VFPF_Q_FILTER_DEST_MAC_VALID))
1861 continue;
1862
1863 /* once a mac was set by ndo can only accept
1864 * a single mac...
1865 */
1866 if (filter) {
1867 BNX2X_ERR("VF[%d] requested the addition of multiple macs after set_vf_mac ndo was called [%d filters]\n",
1868 vf->abs_vfid,
1869 filters->n_mac_vlan_filters);
1870 rc = -EPERM;
1871 goto response;
1872 }
1873
1874 filter = &filters->filters[i];
1875 }
1876
1877 /* ...and only the mac set by the ndo */
1878 if (filter &&
1879 !ether_addr_equal(filter->mac, bulletin->mac)) {
1880 BNX2X_ERR("VF[%d] requested the addition of a mac address not matching the one configured by set_vf_mac ndo\n",
1881 vf->abs_vfid);
1882
1883 rc = -EPERM;
1884 goto response;
1885 }
1886 }
1887
1888 response:
1889 return rc;
1890 }
1891
1892 static int bnx2x_filters_validate_vlan(struct bnx2x *bp,
1893 struct bnx2x_virtf *vf,
1894 struct vfpf_set_q_filters_tlv *filters)
1895 {
1896 struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf->index);
1897 int rc = 0;
1898
1899 /* if vlan was set by hypervisor we don't allow guest to config vlan */
1900 if (bulletin->valid_bitmap & 1 << VLAN_VALID) {
1901 /* search for vlan filters */
1902
1903 if (bnx2x_vf_filters_contain(filters,
1904 VFPF_Q_FILTER_VLAN_TAG_VALID)) {
1905 BNX2X_ERR("VF[%d] attempted to configure vlan but one was already set by Hypervisor. Aborting request\n",
1906 vf->abs_vfid);
1907 rc = -EPERM;
1908 goto response;
1909 }
1910 }
1911
1912 /* verify vf_qid */
1913 if (filters->vf_qid > vf_rxq_count(vf)) {
1914 rc = -EPERM;
1915 goto response;
1916 }
1917
1918 response:
1919 return rc;
1920 }
1921
1922 static void bnx2x_vf_mbx_set_q_filters(struct bnx2x *bp,
1923 struct bnx2x_virtf *vf,
1924 struct bnx2x_vf_mbx *mbx)
1925 {
1926 struct vfpf_set_q_filters_tlv *filters = &mbx->msg->req.set_q_filters;
1927 int rc;
1928
1929 rc = bnx2x_filters_validate_mac(bp, vf, filters);
1930 if (rc)
1931 goto response;
1932
1933 rc = bnx2x_filters_validate_vlan(bp, vf, filters);
1934 if (rc)
1935 goto response;
1936
1937 DP(BNX2X_MSG_IOV, "VF[%d] Q_FILTERS: queue[%d]\n",
1938 vf->abs_vfid,
1939 filters->vf_qid);
1940
1941 /* print q_filter message */
1942 bnx2x_vf_mbx_dp_q_filters(bp, BNX2X_MSG_IOV, filters);
1943
1944 rc = bnx2x_vf_mbx_qfilters(bp, vf);
1945 response:
1946 bnx2x_vf_mbx_resp(bp, vf, rc);
1947 }
1948
1949 static void bnx2x_vf_mbx_teardown_q(struct bnx2x *bp, struct bnx2x_virtf *vf,
1950 struct bnx2x_vf_mbx *mbx)
1951 {
1952 int qid = mbx->msg->req.q_op.vf_qid;
1953 int rc;
1954
1955 DP(BNX2X_MSG_IOV, "VF[%d] Q_TEARDOWN: vf_qid=%d\n",
1956 vf->abs_vfid, qid);
1957
1958 rc = bnx2x_vf_queue_teardown(bp, vf, qid);
1959 bnx2x_vf_mbx_resp(bp, vf, rc);
1960 }
1961
1962 static void bnx2x_vf_mbx_close_vf(struct bnx2x *bp, struct bnx2x_virtf *vf,
1963 struct bnx2x_vf_mbx *mbx)
1964 {
1965 int rc;
1966
1967 DP(BNX2X_MSG_IOV, "VF[%d] VF_CLOSE\n", vf->abs_vfid);
1968
1969 rc = bnx2x_vf_close(bp, vf);
1970 bnx2x_vf_mbx_resp(bp, vf, rc);
1971 }
1972
1973 static void bnx2x_vf_mbx_release_vf(struct bnx2x *bp, struct bnx2x_virtf *vf,
1974 struct bnx2x_vf_mbx *mbx)
1975 {
1976 int rc;
1977
1978 DP(BNX2X_MSG_IOV, "VF[%d] VF_RELEASE\n", vf->abs_vfid);
1979
1980 rc = bnx2x_vf_free(bp, vf);
1981 bnx2x_vf_mbx_resp(bp, vf, rc);
1982 }
1983
1984 static void bnx2x_vf_mbx_update_rss(struct bnx2x *bp, struct bnx2x_virtf *vf,
1985 struct bnx2x_vf_mbx *mbx)
1986 {
1987 struct bnx2x_config_rss_params rss;
1988 struct vfpf_rss_tlv *rss_tlv = &mbx->msg->req.update_rss;
1989 int rc = 0;
1990
1991 if (rss_tlv->ind_table_size != T_ETH_INDIRECTION_TABLE_SIZE ||
1992 rss_tlv->rss_key_size != T_ETH_RSS_KEY) {
1993 BNX2X_ERR("failing rss configuration of vf %d due to size mismatch\n",
1994 vf->index);
1995 rc = -EINVAL;
1996 goto mbx_resp;
1997 }
1998
1999 memset(&rss, 0, sizeof(struct bnx2x_config_rss_params));
2000
2001 /* set vfop params according to rss tlv */
2002 memcpy(rss.ind_table, rss_tlv->ind_table,
2003 T_ETH_INDIRECTION_TABLE_SIZE);
2004 memcpy(rss.rss_key, rss_tlv->rss_key, sizeof(rss_tlv->rss_key));
2005 rss.rss_obj = &vf->rss_conf_obj;
2006 rss.rss_result_mask = rss_tlv->rss_result_mask;
2007
2008 /* flags handled individually for backward/forward compatibility */
2009 rss.rss_flags = 0;
2010 rss.ramrod_flags = 0;
2011
2012 if (rss_tlv->rss_flags & VFPF_RSS_MODE_DISABLED)
2013 __set_bit(BNX2X_RSS_MODE_DISABLED, &rss.rss_flags);
2014 if (rss_tlv->rss_flags & VFPF_RSS_MODE_REGULAR)
2015 __set_bit(BNX2X_RSS_MODE_REGULAR, &rss.rss_flags);
2016 if (rss_tlv->rss_flags & VFPF_RSS_SET_SRCH)
2017 __set_bit(BNX2X_RSS_SET_SRCH, &rss.rss_flags);
2018 if (rss_tlv->rss_flags & VFPF_RSS_IPV4)
2019 __set_bit(BNX2X_RSS_IPV4, &rss.rss_flags);
2020 if (rss_tlv->rss_flags & VFPF_RSS_IPV4_TCP)
2021 __set_bit(BNX2X_RSS_IPV4_TCP, &rss.rss_flags);
2022 if (rss_tlv->rss_flags & VFPF_RSS_IPV4_UDP)
2023 __set_bit(BNX2X_RSS_IPV4_UDP, &rss.rss_flags);
2024 if (rss_tlv->rss_flags & VFPF_RSS_IPV6)
2025 __set_bit(BNX2X_RSS_IPV6, &rss.rss_flags);
2026 if (rss_tlv->rss_flags & VFPF_RSS_IPV6_TCP)
2027 __set_bit(BNX2X_RSS_IPV6_TCP, &rss.rss_flags);
2028 if (rss_tlv->rss_flags & VFPF_RSS_IPV6_UDP)
2029 __set_bit(BNX2X_RSS_IPV6_UDP, &rss.rss_flags);
2030
2031 if ((!(rss_tlv->rss_flags & VFPF_RSS_IPV4_TCP) &&
2032 rss_tlv->rss_flags & VFPF_RSS_IPV4_UDP) ||
2033 (!(rss_tlv->rss_flags & VFPF_RSS_IPV6_TCP) &&
2034 rss_tlv->rss_flags & VFPF_RSS_IPV6_UDP)) {
2035 BNX2X_ERR("about to hit a FW assert. aborting...\n");
2036 rc = -EINVAL;
2037 goto mbx_resp;
2038 }
2039
2040 rc = bnx2x_vf_rss_update(bp, vf, &rss);
2041 mbx_resp:
2042 bnx2x_vf_mbx_resp(bp, vf, rc);
2043 }
2044
2045 static int bnx2x_validate_tpa_params(struct bnx2x *bp,
2046 struct vfpf_tpa_tlv *tpa_tlv)
2047 {
2048 int rc = 0;
2049
2050 if (tpa_tlv->tpa_client_info.max_sges_for_packet >
2051 U_ETH_MAX_SGES_FOR_PACKET) {
2052 rc = -EINVAL;
2053 BNX2X_ERR("TPA update: max_sges received %d, max is %d\n",
2054 tpa_tlv->tpa_client_info.max_sges_for_packet,
2055 U_ETH_MAX_SGES_FOR_PACKET);
2056 }
2057
2058 if (tpa_tlv->tpa_client_info.max_tpa_queues > MAX_AGG_QS(bp)) {
2059 rc = -EINVAL;
2060 BNX2X_ERR("TPA update: max_tpa_queues received %d, max is %d\n",
2061 tpa_tlv->tpa_client_info.max_tpa_queues,
2062 MAX_AGG_QS(bp));
2063 }
2064
2065 return rc;
2066 }
2067
2068 static void bnx2x_vf_mbx_update_tpa(struct bnx2x *bp, struct bnx2x_virtf *vf,
2069 struct bnx2x_vf_mbx *mbx)
2070 {
2071 struct bnx2x_queue_update_tpa_params vf_op_params;
2072 struct vfpf_tpa_tlv *tpa_tlv = &mbx->msg->req.update_tpa;
2073 int rc = 0;
2074
2075 memset(&vf_op_params, 0, sizeof(vf_op_params));
2076
2077 if (bnx2x_validate_tpa_params(bp, tpa_tlv))
2078 goto mbx_resp;
2079
2080 vf_op_params.complete_on_both_clients =
2081 tpa_tlv->tpa_client_info.complete_on_both_clients;
2082 vf_op_params.dont_verify_thr =
2083 tpa_tlv->tpa_client_info.dont_verify_thr;
2084 vf_op_params.max_agg_sz =
2085 tpa_tlv->tpa_client_info.max_agg_size;
2086 vf_op_params.max_sges_pkt =
2087 tpa_tlv->tpa_client_info.max_sges_for_packet;
2088 vf_op_params.max_tpa_queues =
2089 tpa_tlv->tpa_client_info.max_tpa_queues;
2090 vf_op_params.sge_buff_sz =
2091 tpa_tlv->tpa_client_info.sge_buff_size;
2092 vf_op_params.sge_pause_thr_high =
2093 tpa_tlv->tpa_client_info.sge_pause_thr_high;
2094 vf_op_params.sge_pause_thr_low =
2095 tpa_tlv->tpa_client_info.sge_pause_thr_low;
2096 vf_op_params.tpa_mode =
2097 tpa_tlv->tpa_client_info.tpa_mode;
2098 vf_op_params.update_ipv4 =
2099 tpa_tlv->tpa_client_info.update_ipv4;
2100 vf_op_params.update_ipv6 =
2101 tpa_tlv->tpa_client_info.update_ipv6;
2102
2103 rc = bnx2x_vf_tpa_update(bp, vf, tpa_tlv, &vf_op_params);
2104
2105 mbx_resp:
2106 bnx2x_vf_mbx_resp(bp, vf, rc);
2107 }
2108
2109 /* dispatch request */
2110 static void bnx2x_vf_mbx_request(struct bnx2x *bp, struct bnx2x_virtf *vf,
2111 struct bnx2x_vf_mbx *mbx)
2112 {
2113 int i;
2114
2115 /* check if tlv type is known */
2116 if (bnx2x_tlv_supported(mbx->first_tlv.tl.type)) {
2117 /* Lock the per vf op mutex and note the locker's identity.
2118 * The unlock will take place in mbx response.
2119 */
2120 bnx2x_lock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type);
2121
2122 /* switch on the opcode */
2123 switch (mbx->first_tlv.tl.type) {
2124 case CHANNEL_TLV_ACQUIRE:
2125 bnx2x_vf_mbx_acquire(bp, vf, mbx);
2126 return;
2127 case CHANNEL_TLV_INIT:
2128 bnx2x_vf_mbx_init_vf(bp, vf, mbx);
2129 return;
2130 case CHANNEL_TLV_SETUP_Q:
2131 bnx2x_vf_mbx_setup_q(bp, vf, mbx);
2132 return;
2133 case CHANNEL_TLV_SET_Q_FILTERS:
2134 bnx2x_vf_mbx_set_q_filters(bp, vf, mbx);
2135 return;
2136 case CHANNEL_TLV_TEARDOWN_Q:
2137 bnx2x_vf_mbx_teardown_q(bp, vf, mbx);
2138 return;
2139 case CHANNEL_TLV_CLOSE:
2140 bnx2x_vf_mbx_close_vf(bp, vf, mbx);
2141 return;
2142 case CHANNEL_TLV_RELEASE:
2143 bnx2x_vf_mbx_release_vf(bp, vf, mbx);
2144 return;
2145 case CHANNEL_TLV_UPDATE_RSS:
2146 bnx2x_vf_mbx_update_rss(bp, vf, mbx);
2147 return;
2148 case CHANNEL_TLV_UPDATE_TPA:
2149 bnx2x_vf_mbx_update_tpa(bp, vf, mbx);
2150 return;
2151 }
2152
2153 } else {
2154 /* unknown TLV - this may belong to a VF driver from the future
2155 * - a version written after this PF driver was written, which
2156 * supports features unknown as of yet. Too bad since we don't
2157 * support them. Or this may be because someone wrote a crappy
2158 * VF driver and is sending garbage over the channel.
2159 */
2160 BNX2X_ERR("unknown TLV. type %d length %d vf->state was %d. first 20 bytes of mailbox buffer:\n",
2161 mbx->first_tlv.tl.type, mbx->first_tlv.tl.length,
2162 vf->state);
2163 for (i = 0; i < 20; i++)
2164 DP_CONT(BNX2X_MSG_IOV, "%x ",
2165 mbx->msg->req.tlv_buf_size.tlv_buffer[i]);
2166 }
2167
2168 /* can we respond to VF (do we have an address for it?) */
2169 if (vf->state == VF_ACQUIRED || vf->state == VF_ENABLED) {
2170 /* notify the VF that we do not support this request */
2171 bnx2x_vf_mbx_resp(bp, vf, PFVF_STATUS_NOT_SUPPORTED);
2172 } else {
2173 /* can't send a response since this VF is unknown to us
2174 * just ack the FW to release the mailbox and unlock
2175 * the channel.
2176 */
2177 storm_memset_vf_mbx_ack(bp, vf->abs_vfid);
2178 /* Firmware ack should be written before unlocking channel */
2179 mmiowb();
2180 bnx2x_unlock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type);
2181 }
2182 }
2183
2184 void bnx2x_vf_mbx_schedule(struct bnx2x *bp,
2185 struct vf_pf_event_data *vfpf_event)
2186 {
2187 u8 vf_idx;
2188
2189 DP(BNX2X_MSG_IOV,
2190 "vf pf event received: vfid %d, address_hi %x, address lo %x",
2191 vfpf_event->vf_id, vfpf_event->msg_addr_hi, vfpf_event->msg_addr_lo);
2192 /* Sanity checks consider removing later */
2193
2194 /* check if the vf_id is valid */
2195 if (vfpf_event->vf_id - BP_VFDB(bp)->sriov.first_vf_in_pf >
2196 BNX2X_NR_VIRTFN(bp)) {
2197 BNX2X_ERR("Illegal vf_id %d max allowed: %d\n",
2198 vfpf_event->vf_id, BNX2X_NR_VIRTFN(bp));
2199 return;
2200 }
2201
2202 vf_idx = bnx2x_vf_idx_by_abs_fid(bp, vfpf_event->vf_id);
2203
2204 /* Update VFDB with current message and schedule its handling */
2205 mutex_lock(&BP_VFDB(bp)->event_mutex);
2206 BP_VF_MBX(bp, vf_idx)->vf_addr_hi =
2207 le32_to_cpu(vfpf_event->msg_addr_hi);
2208 BP_VF_MBX(bp, vf_idx)->vf_addr_lo =
2209 le32_to_cpu(vfpf_event->msg_addr_lo);
2210 BP_VFDB(bp)->event_occur |= (1ULL << vf_idx);
2211 mutex_unlock(&BP_VFDB(bp)->event_mutex);
2212
2213 bnx2x_schedule_iov_task(bp, BNX2X_IOV_HANDLE_VF_MSG);
2214 }
2215
2216 /* handle new vf-pf messages */
2217 void bnx2x_vf_mbx(struct bnx2x *bp)
2218 {
2219 struct bnx2x_vfdb *vfdb = BP_VFDB(bp);
2220 u64 events;
2221 u8 vf_idx;
2222 int rc;
2223
2224 if (!vfdb)
2225 return;
2226
2227 mutex_lock(&vfdb->event_mutex);
2228 events = vfdb->event_occur;
2229 vfdb->event_occur = 0;
2230 mutex_unlock(&vfdb->event_mutex);
2231
2232 for_each_vf(bp, vf_idx) {
2233 struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf_idx);
2234 struct bnx2x_virtf *vf = BP_VF(bp, vf_idx);
2235
2236 /* Handle VFs which have pending events */
2237 if (!(events & (1ULL << vf_idx)))
2238 continue;
2239
2240 DP(BNX2X_MSG_IOV,
2241 "Handling vf pf event vfid %d, address: [%x:%x], resp_offset 0x%x\n",
2242 vf_idx, mbx->vf_addr_hi, mbx->vf_addr_lo,
2243 mbx->first_tlv.resp_msg_offset);
2244
2245 /* dmae to get the VF request */
2246 rc = bnx2x_copy32_vf_dmae(bp, true, mbx->msg_mapping,
2247 vf->abs_vfid, mbx->vf_addr_hi,
2248 mbx->vf_addr_lo,
2249 sizeof(union vfpf_tlvs)/4);
2250 if (rc) {
2251 BNX2X_ERR("Failed to copy request VF %d\n",
2252 vf->abs_vfid);
2253 bnx2x_vf_release(bp, vf);
2254 return;
2255 }
2256
2257 /* process the VF message header */
2258 mbx->first_tlv = mbx->msg->req.first_tlv;
2259
2260 /* Clean response buffer to refrain from falsely
2261 * seeing chains.
2262 */
2263 memset(&mbx->msg->resp, 0, sizeof(union pfvf_tlvs));
2264
2265 /* dispatch the request (will prepare the response) */
2266 bnx2x_vf_mbx_request(bp, vf, mbx);
2267 }
2268 }
2269
2270 void bnx2x_vf_bulletin_finalize(struct pf_vf_bulletin_content *bulletin,
2271 bool support_long)
2272 {
2273 /* Older VFs contain a bug where they can't check CRC for bulletin
2274 * boards of length greater than legacy size.
2275 */
2276 bulletin->length = support_long ? BULLETIN_CONTENT_SIZE :
2277 BULLETIN_CONTENT_LEGACY_SIZE;
2278 bulletin->crc = bnx2x_crc_vf_bulletin(bulletin);
2279 }
2280
2281 /* propagate local bulletin board to vf */
2282 int bnx2x_post_vf_bulletin(struct bnx2x *bp, int vf)
2283 {
2284 struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf);
2285 dma_addr_t pf_addr = BP_VF_BULLETIN_DMA(bp)->mapping +
2286 vf * BULLETIN_CONTENT_SIZE;
2287 dma_addr_t vf_addr = bnx2x_vf(bp, vf, bulletin_map);
2288 int rc;
2289
2290 /* can only update vf after init took place */
2291 if (bnx2x_vf(bp, vf, state) != VF_ENABLED &&
2292 bnx2x_vf(bp, vf, state) != VF_ACQUIRED)
2293 return 0;
2294
2295 /* increment bulletin board version and compute crc */
2296 bulletin->version++;
2297 bnx2x_vf_bulletin_finalize(bulletin,
2298 (bnx2x_vf(bp, vf, cfg_flags) &
2299 VF_CFG_EXT_BULLETIN) ? true : false);
2300
2301 /* propagate bulletin board via dmae to vm memory */
2302 rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr,
2303 bnx2x_vf(bp, vf, abs_vfid), U64_HI(vf_addr),
2304 U64_LO(vf_addr), bulletin->length / 4);
2305 return rc;
2306 }
CRIS linux kernel tree