Merge branch 'ras-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
[sfrench/cifs-2.6.git] / drivers / net / ethernet / broadcom / bnx2x / bnx2x_vfpf.c
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_relaxed(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 decline 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
1181         /* copy the response header including status-done field,
1182          * must be last dmae, must be after FW is acked
1183          */
1184         rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, vf->abs_vfid,
1185                                   U64_HI(vf_addr),
1186                                   U64_LO(vf_addr),
1187                                   sizeof(u64)/4);
1188
1189         /* unlock channel mutex */
1190         bnx2x_unlock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type);
1191
1192         if (rc) {
1193                 BNX2X_ERR("Failed to copy response status to VF %d\n",
1194                           vf->abs_vfid);
1195                 goto mbx_error;
1196         }
1197         return;
1198
1199 mbx_error:
1200         bnx2x_vf_release(bp, vf);
1201 }
1202
1203 static void bnx2x_vf_mbx_resp(struct bnx2x *bp,
1204                               struct bnx2x_virtf *vf,
1205                               int rc)
1206 {
1207         bnx2x_vf_mbx_resp_single_tlv(bp, vf);
1208         bnx2x_vf_mbx_resp_send_msg(bp, vf, rc);
1209 }
1210
1211 static void bnx2x_vf_mbx_resp_phys_port(struct bnx2x *bp,
1212                                         struct bnx2x_virtf *vf,
1213                                         void *buffer,
1214                                         u16 *offset)
1215 {
1216         struct vfpf_port_phys_id_resp_tlv *port_id;
1217
1218         if (!(bp->flags & HAS_PHYS_PORT_ID))
1219                 return;
1220
1221         bnx2x_add_tlv(bp, buffer, *offset, CHANNEL_TLV_PHYS_PORT_ID,
1222                       sizeof(struct vfpf_port_phys_id_resp_tlv));
1223
1224         port_id = (struct vfpf_port_phys_id_resp_tlv *)
1225                   (((u8 *)buffer) + *offset);
1226         memcpy(port_id->id, bp->phys_port_id, ETH_ALEN);
1227
1228         /* Offset should continue representing the offset to the tail
1229          * of TLV data (outside this function scope)
1230          */
1231         *offset += sizeof(struct vfpf_port_phys_id_resp_tlv);
1232 }
1233
1234 static void bnx2x_vf_mbx_resp_fp_hsi_ver(struct bnx2x *bp,
1235                                          struct bnx2x_virtf *vf,
1236                                          void *buffer,
1237                                          u16 *offset)
1238 {
1239         struct vfpf_fp_hsi_resp_tlv *fp_hsi;
1240
1241         bnx2x_add_tlv(bp, buffer, *offset, CHANNEL_TLV_FP_HSI_SUPPORT,
1242                       sizeof(struct vfpf_fp_hsi_resp_tlv));
1243
1244         fp_hsi = (struct vfpf_fp_hsi_resp_tlv *)
1245                  (((u8 *)buffer) + *offset);
1246         fp_hsi->is_supported = (vf->fp_hsi > ETH_FP_HSI_VERSION) ? 0 : 1;
1247
1248         /* Offset should continue representing the offset to the tail
1249          * of TLV data (outside this function scope)
1250          */
1251         *offset += sizeof(struct vfpf_fp_hsi_resp_tlv);
1252 }
1253
1254 static void bnx2x_vf_mbx_acquire_resp(struct bnx2x *bp, struct bnx2x_virtf *vf,
1255                                       struct bnx2x_vf_mbx *mbx, int vfop_status)
1256 {
1257         int i;
1258         struct pfvf_acquire_resp_tlv *resp = &mbx->msg->resp.acquire_resp;
1259         struct pf_vf_resc *resc = &resp->resc;
1260         u8 status = bnx2x_pfvf_status_codes(vfop_status);
1261         u16 length;
1262
1263         memset(resp, 0, sizeof(*resp));
1264
1265         /* fill in pfdev info */
1266         resp->pfdev_info.chip_num = bp->common.chip_id;
1267         resp->pfdev_info.db_size = bp->db_size;
1268         resp->pfdev_info.indices_per_sb = HC_SB_MAX_INDICES_E2;
1269         resp->pfdev_info.pf_cap = (PFVF_CAP_RSS |
1270                                    PFVF_CAP_TPA |
1271                                    PFVF_CAP_TPA_UPDATE |
1272                                    PFVF_CAP_VLAN_FILTER);
1273         bnx2x_fill_fw_str(bp, resp->pfdev_info.fw_ver,
1274                           sizeof(resp->pfdev_info.fw_ver));
1275
1276         if (status == PFVF_STATUS_NO_RESOURCE ||
1277             status == PFVF_STATUS_SUCCESS) {
1278                 /* set resources numbers, if status equals NO_RESOURCE these
1279                  * are max possible numbers
1280                  */
1281                 resc->num_rxqs = vf_rxq_count(vf) ? :
1282                         bnx2x_vf_max_queue_cnt(bp, vf);
1283                 resc->num_txqs = vf_txq_count(vf) ? :
1284                         bnx2x_vf_max_queue_cnt(bp, vf);
1285                 resc->num_sbs = vf_sb_count(vf);
1286                 resc->num_mac_filters = vf_mac_rules_cnt(vf);
1287                 resc->num_vlan_filters = vf_vlan_rules_cnt(vf);
1288                 resc->num_mc_filters = 0;
1289
1290                 if (status == PFVF_STATUS_SUCCESS) {
1291                         /* fill in the allocated resources */
1292                         struct pf_vf_bulletin_content *bulletin =
1293                                 BP_VF_BULLETIN(bp, vf->index);
1294
1295                         for_each_vfq(vf, i)
1296                                 resc->hw_qid[i] =
1297                                         vfq_qzone_id(vf, vfq_get(vf, i));
1298
1299                         for_each_vf_sb(vf, i) {
1300                                 resc->hw_sbs[i].hw_sb_id = vf_igu_sb(vf, i);
1301                                 resc->hw_sbs[i].sb_qid = vf_hc_qzone(vf, i);
1302                         }
1303
1304                         /* if a mac has been set for this vf, supply it */
1305                         if (bulletin->valid_bitmap & 1 << MAC_ADDR_VALID) {
1306                                 memcpy(resc->current_mac_addr, bulletin->mac,
1307                                        ETH_ALEN);
1308                         }
1309                 }
1310         }
1311
1312         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"
1313            "resources- n_rxq-%d, n_txq-%d, n_sbs-%d, n_macs-%d, n_vlans-%d, n_mcs-%d, fw_ver: '%s'\n",
1314            vf->abs_vfid,
1315            resp->pfdev_info.chip_num,
1316            resp->pfdev_info.db_size,
1317            resp->pfdev_info.indices_per_sb,
1318            resp->pfdev_info.pf_cap,
1319            resc->num_rxqs,
1320            resc->num_txqs,
1321            resc->num_sbs,
1322            resc->num_mac_filters,
1323            resc->num_vlan_filters,
1324            resc->num_mc_filters,
1325            resp->pfdev_info.fw_ver);
1326
1327         DP_CONT(BNX2X_MSG_IOV, "hw_qids- [ ");
1328         for (i = 0; i < vf_rxq_count(vf); i++)
1329                 DP_CONT(BNX2X_MSG_IOV, "%d ", resc->hw_qid[i]);
1330         DP_CONT(BNX2X_MSG_IOV, "], sb_info- [ ");
1331         for (i = 0; i < vf_sb_count(vf); i++)
1332                 DP_CONT(BNX2X_MSG_IOV, "%d:%d ",
1333                         resc->hw_sbs[i].hw_sb_id,
1334                         resc->hw_sbs[i].sb_qid);
1335         DP_CONT(BNX2X_MSG_IOV, "]\n");
1336
1337         /* prepare response */
1338         length = sizeof(struct pfvf_acquire_resp_tlv);
1339         bnx2x_add_tlv(bp, &mbx->msg->resp, 0, CHANNEL_TLV_ACQUIRE, length);
1340
1341         /* Handle possible VF requests for physical port identifiers.
1342          * 'length' should continue to indicate the offset of the first empty
1343          * place in the buffer (i.e., where next TLV should be inserted)
1344          */
1345         if (bnx2x_search_tlv_list(bp, &mbx->msg->req,
1346                                   CHANNEL_TLV_PHYS_PORT_ID))
1347                 bnx2x_vf_mbx_resp_phys_port(bp, vf, &mbx->msg->resp, &length);
1348
1349         /* `New' vfs will want to know if fastpath HSI is supported, since
1350          * if that's not the case they could print into system log the fact
1351          * the driver version must be updated.
1352          */
1353         bnx2x_vf_mbx_resp_fp_hsi_ver(bp, vf, &mbx->msg->resp, &length);
1354
1355         bnx2x_add_tlv(bp, &mbx->msg->resp, length, CHANNEL_TLV_LIST_END,
1356                       sizeof(struct channel_list_end_tlv));
1357
1358         /* send the response */
1359         bnx2x_vf_mbx_resp_send_msg(bp, vf, vfop_status);
1360 }
1361
1362 static bool bnx2x_vf_mbx_is_windows_vm(struct bnx2x *bp,
1363                                        struct vfpf_acquire_tlv *acquire)
1364 {
1365         /* Windows driver does one of three things:
1366          * 1. Old driver doesn't have bulletin board address set.
1367          * 2. 'Middle' driver sends mc_num == 32.
1368          * 3. New driver sets the OS field.
1369          */
1370         if (!acquire->bulletin_addr ||
1371             acquire->resc_request.num_mc_filters == 32 ||
1372             ((acquire->vfdev_info.vf_os & VF_OS_MASK) ==
1373              VF_OS_WINDOWS))
1374                 return true;
1375
1376         return false;
1377 }
1378
1379 static int bnx2x_vf_mbx_acquire_chk_dorq(struct bnx2x *bp,
1380                                          struct bnx2x_virtf *vf,
1381                                          struct bnx2x_vf_mbx *mbx)
1382 {
1383         /* Linux drivers which correctly set the doorbell size also
1384          * send a physical port request
1385          */
1386         if (bnx2x_search_tlv_list(bp, &mbx->msg->req,
1387                                   CHANNEL_TLV_PHYS_PORT_ID))
1388                 return 0;
1389
1390         /* Issue does not exist in windows VMs */
1391         if (bnx2x_vf_mbx_is_windows_vm(bp, &mbx->msg->req.acquire))
1392                 return 0;
1393
1394         return -EOPNOTSUPP;
1395 }
1396
1397 static void bnx2x_vf_mbx_acquire(struct bnx2x *bp, struct bnx2x_virtf *vf,
1398                                  struct bnx2x_vf_mbx *mbx)
1399 {
1400         int rc;
1401         struct vfpf_acquire_tlv *acquire = &mbx->msg->req.acquire;
1402
1403         /* log vfdef info */
1404         DP(BNX2X_MSG_IOV,
1405            "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",
1406            vf->abs_vfid, acquire->vfdev_info.vf_id, acquire->vfdev_info.vf_os,
1407            acquire->resc_request.num_rxqs, acquire->resc_request.num_txqs,
1408            acquire->resc_request.num_sbs, acquire->resc_request.num_mac_filters,
1409            acquire->resc_request.num_vlan_filters,
1410            acquire->resc_request.num_mc_filters);
1411
1412         /* Prevent VFs with old drivers from loading, since they calculate
1413          * CIDs incorrectly requiring a VF-flr [VM reboot] in order to recover
1414          * while being upgraded.
1415          */
1416         rc = bnx2x_vf_mbx_acquire_chk_dorq(bp, vf, mbx);
1417         if (rc) {
1418                 DP(BNX2X_MSG_IOV,
1419                    "VF [%d] - Can't support acquire request due to doorbell mismatch. Please update VM driver\n",
1420                    vf->abs_vfid);
1421                 goto out;
1422         }
1423
1424         /* Verify the VF fastpath HSI can be supported by the loaded FW.
1425          * Linux vfs should be oblivious to changes between v0 and v2.
1426          */
1427         if (bnx2x_vf_mbx_is_windows_vm(bp, &mbx->msg->req.acquire))
1428                 vf->fp_hsi = acquire->vfdev_info.fp_hsi_ver;
1429         else
1430                 vf->fp_hsi = max_t(u8, acquire->vfdev_info.fp_hsi_ver,
1431                                    ETH_FP_HSI_VER_2);
1432         if (vf->fp_hsi > ETH_FP_HSI_VERSION) {
1433                 DP(BNX2X_MSG_IOV,
1434                    "VF [%d] - Can't support acquire request since VF requests a FW version which is too new [%02x > %02x]\n",
1435                    vf->abs_vfid, acquire->vfdev_info.fp_hsi_ver,
1436                    ETH_FP_HSI_VERSION);
1437                 rc = -EINVAL;
1438                 goto out;
1439         }
1440
1441         /* acquire the resources */
1442         rc = bnx2x_vf_acquire(bp, vf, &acquire->resc_request);
1443
1444         /* store address of vf's bulletin board */
1445         vf->bulletin_map = acquire->bulletin_addr;
1446         if (acquire->vfdev_info.caps & VF_CAP_SUPPORT_EXT_BULLETIN) {
1447                 DP(BNX2X_MSG_IOV, "VF[%d] supports long bulletin boards\n",
1448                    vf->abs_vfid);
1449                 vf->cfg_flags |= VF_CFG_EXT_BULLETIN;
1450         } else {
1451                 vf->cfg_flags &= ~VF_CFG_EXT_BULLETIN;
1452         }
1453
1454         if (acquire->vfdev_info.caps & VF_CAP_SUPPORT_VLAN_FILTER) {
1455                 DP(BNX2X_MSG_IOV, "VF[%d] supports vlan filtering\n",
1456                    vf->abs_vfid);
1457                 vf->cfg_flags |= VF_CFG_VLAN_FILTER;
1458         } else {
1459                 vf->cfg_flags &= ~VF_CFG_VLAN_FILTER;
1460         }
1461
1462 out:
1463         /* response */
1464         bnx2x_vf_mbx_acquire_resp(bp, vf, mbx, rc);
1465 }
1466
1467 static void bnx2x_vf_mbx_init_vf(struct bnx2x *bp, struct bnx2x_virtf *vf,
1468                               struct bnx2x_vf_mbx *mbx)
1469 {
1470         struct vfpf_init_tlv *init = &mbx->msg->req.init;
1471         int rc;
1472
1473         /* record ghost addresses from vf message */
1474         vf->fw_stat_map = init->stats_addr;
1475         vf->stats_stride = init->stats_stride;
1476         rc = bnx2x_vf_init(bp, vf, (dma_addr_t *)init->sb_addr);
1477
1478         /* set VF multiqueue statistics collection mode */
1479         if (init->flags & VFPF_INIT_FLG_STATS_COALESCE)
1480                 vf->cfg_flags |= VF_CFG_STATS_COALESCE;
1481
1482         /* Update VF's view of link state */
1483         if (vf->cfg_flags & VF_CFG_EXT_BULLETIN)
1484                 bnx2x_iov_link_update_vf(bp, vf->index);
1485
1486         /* response */
1487         bnx2x_vf_mbx_resp(bp, vf, rc);
1488 }
1489
1490 /* convert MBX queue-flags to standard SP queue-flags */
1491 static void bnx2x_vf_mbx_set_q_flags(struct bnx2x *bp, u32 mbx_q_flags,
1492                                      unsigned long *sp_q_flags)
1493 {
1494         if (mbx_q_flags & VFPF_QUEUE_FLG_TPA)
1495                 __set_bit(BNX2X_Q_FLG_TPA, sp_q_flags);
1496         if (mbx_q_flags & VFPF_QUEUE_FLG_TPA_IPV6)
1497                 __set_bit(BNX2X_Q_FLG_TPA_IPV6, sp_q_flags);
1498         if (mbx_q_flags & VFPF_QUEUE_FLG_TPA_GRO)
1499                 __set_bit(BNX2X_Q_FLG_TPA_GRO, sp_q_flags);
1500         if (mbx_q_flags & VFPF_QUEUE_FLG_STATS)
1501                 __set_bit(BNX2X_Q_FLG_STATS, sp_q_flags);
1502         if (mbx_q_flags & VFPF_QUEUE_FLG_VLAN)
1503                 __set_bit(BNX2X_Q_FLG_VLAN, sp_q_flags);
1504         if (mbx_q_flags & VFPF_QUEUE_FLG_COS)
1505                 __set_bit(BNX2X_Q_FLG_COS, sp_q_flags);
1506         if (mbx_q_flags & VFPF_QUEUE_FLG_HC)
1507                 __set_bit(BNX2X_Q_FLG_HC, sp_q_flags);
1508         if (mbx_q_flags & VFPF_QUEUE_FLG_DHC)
1509                 __set_bit(BNX2X_Q_FLG_DHC, sp_q_flags);
1510         if (mbx_q_flags & VFPF_QUEUE_FLG_LEADING_RSS)
1511                 __set_bit(BNX2X_Q_FLG_LEADING_RSS, sp_q_flags);
1512
1513         /* outer vlan removal is set according to PF's multi function mode */
1514         if (IS_MF_SD(bp))
1515                 __set_bit(BNX2X_Q_FLG_OV, sp_q_flags);
1516 }
1517
1518 static void bnx2x_vf_mbx_setup_q(struct bnx2x *bp, struct bnx2x_virtf *vf,
1519                                  struct bnx2x_vf_mbx *mbx)
1520 {
1521         struct vfpf_setup_q_tlv *setup_q = &mbx->msg->req.setup_q;
1522         struct bnx2x_vf_queue_construct_params qctor;
1523         int rc = 0;
1524
1525         /* verify vf_qid */
1526         if (setup_q->vf_qid >= vf_rxq_count(vf)) {
1527                 BNX2X_ERR("vf_qid %d invalid, max queue count is %d\n",
1528                           setup_q->vf_qid, vf_rxq_count(vf));
1529                 rc = -EINVAL;
1530                 goto response;
1531         }
1532
1533         /* tx queues must be setup alongside rx queues thus if the rx queue
1534          * is not marked as valid there's nothing to do.
1535          */
1536         if (setup_q->param_valid & (VFPF_RXQ_VALID|VFPF_TXQ_VALID)) {
1537                 struct bnx2x_vf_queue *q = vfq_get(vf, setup_q->vf_qid);
1538                 unsigned long q_type = 0;
1539
1540                 struct bnx2x_queue_init_params *init_p;
1541                 struct bnx2x_queue_setup_params *setup_p;
1542
1543                 if (bnx2x_vfq_is_leading(q))
1544                         bnx2x_leading_vfq_init(bp, vf, q);
1545
1546                 /* re-init the VF operation context */
1547                 memset(&qctor, 0 ,
1548                        sizeof(struct bnx2x_vf_queue_construct_params));
1549                 setup_p = &qctor.prep_qsetup;
1550                 init_p =  &qctor.qstate.params.init;
1551
1552                 /* activate immediately */
1553                 __set_bit(BNX2X_Q_FLG_ACTIVE, &setup_p->flags);
1554
1555                 if (setup_q->param_valid & VFPF_TXQ_VALID) {
1556                         struct bnx2x_txq_setup_params *txq_params =
1557                                 &setup_p->txq_params;
1558
1559                         __set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type);
1560
1561                         /* save sb resource index */
1562                         q->sb_idx = setup_q->txq.vf_sb;
1563
1564                         /* tx init */
1565                         init_p->tx.hc_rate = setup_q->txq.hc_rate;
1566                         init_p->tx.sb_cq_index = setup_q->txq.sb_index;
1567
1568                         bnx2x_vf_mbx_set_q_flags(bp, setup_q->txq.flags,
1569                                                  &init_p->tx.flags);
1570
1571                         /* tx setup - flags */
1572                         bnx2x_vf_mbx_set_q_flags(bp, setup_q->txq.flags,
1573                                                  &setup_p->flags);
1574
1575                         /* tx setup - general, nothing */
1576
1577                         /* tx setup - tx */
1578                         txq_params->dscr_map = setup_q->txq.txq_addr;
1579                         txq_params->sb_cq_index = setup_q->txq.sb_index;
1580                         txq_params->traffic_type = setup_q->txq.traffic_type;
1581
1582                         bnx2x_vfop_qctor_dump_tx(bp, vf, init_p, setup_p,
1583                                                  q->index, q->sb_idx);
1584                 }
1585
1586                 if (setup_q->param_valid & VFPF_RXQ_VALID) {
1587                         struct bnx2x_rxq_setup_params *rxq_params =
1588                                                         &setup_p->rxq_params;
1589
1590                         __set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type);
1591
1592                         /* Note: there is no support for different SBs
1593                          * for TX and RX
1594                          */
1595                         q->sb_idx = setup_q->rxq.vf_sb;
1596
1597                         /* rx init */
1598                         init_p->rx.hc_rate = setup_q->rxq.hc_rate;
1599                         init_p->rx.sb_cq_index = setup_q->rxq.sb_index;
1600                         bnx2x_vf_mbx_set_q_flags(bp, setup_q->rxq.flags,
1601                                                  &init_p->rx.flags);
1602
1603                         /* rx setup - flags */
1604                         bnx2x_vf_mbx_set_q_flags(bp, setup_q->rxq.flags,
1605                                                  &setup_p->flags);
1606
1607                         /* rx setup - general */
1608                         setup_p->gen_params.mtu = setup_q->rxq.mtu;
1609
1610                         /* rx setup - rx */
1611                         rxq_params->drop_flags = setup_q->rxq.drop_flags;
1612                         rxq_params->dscr_map = setup_q->rxq.rxq_addr;
1613                         rxq_params->sge_map = setup_q->rxq.sge_addr;
1614                         rxq_params->rcq_map = setup_q->rxq.rcq_addr;
1615                         rxq_params->rcq_np_map = setup_q->rxq.rcq_np_addr;
1616                         rxq_params->buf_sz = setup_q->rxq.buf_sz;
1617                         rxq_params->tpa_agg_sz = setup_q->rxq.tpa_agg_sz;
1618                         rxq_params->max_sges_pkt = setup_q->rxq.max_sge_pkt;
1619                         rxq_params->sge_buf_sz = setup_q->rxq.sge_buf_sz;
1620                         rxq_params->cache_line_log =
1621                                 setup_q->rxq.cache_line_log;
1622                         rxq_params->sb_cq_index = setup_q->rxq.sb_index;
1623
1624                         /* rx setup - multicast engine */
1625                         if (bnx2x_vfq_is_leading(q)) {
1626                                 u8 mcast_id = FW_VF_HANDLE(vf->abs_vfid);
1627
1628                                 rxq_params->mcast_engine_id = mcast_id;
1629                                 __set_bit(BNX2X_Q_FLG_MCAST, &setup_p->flags);
1630                         }
1631
1632                         bnx2x_vfop_qctor_dump_rx(bp, vf, init_p, setup_p,
1633                                                  q->index, q->sb_idx);
1634                 }
1635                 /* complete the preparations */
1636                 bnx2x_vfop_qctor_prep(bp, vf, q, &qctor, q_type);
1637
1638                 rc = bnx2x_vf_queue_setup(bp, vf, q->index, &qctor);
1639                 if (rc)
1640                         goto response;
1641         }
1642 response:
1643         bnx2x_vf_mbx_resp(bp, vf, rc);
1644 }
1645
1646 static int bnx2x_vf_mbx_macvlan_list(struct bnx2x *bp,
1647                                      struct bnx2x_virtf *vf,
1648                                      struct vfpf_set_q_filters_tlv *tlv,
1649                                      struct bnx2x_vf_mac_vlan_filters **pfl,
1650                                      u32 type_flag)
1651 {
1652         int i, j;
1653         struct bnx2x_vf_mac_vlan_filters *fl = NULL;
1654
1655         fl = kzalloc(struct_size(fl, filters, tlv->n_mac_vlan_filters),
1656                      GFP_KERNEL);
1657         if (!fl)
1658                 return -ENOMEM;
1659
1660         for (i = 0, j = 0; i < tlv->n_mac_vlan_filters; i++) {
1661                 struct vfpf_q_mac_vlan_filter *msg_filter = &tlv->filters[i];
1662
1663                 if ((msg_filter->flags & type_flag) != type_flag)
1664                         continue;
1665                 memset(&fl->filters[j], 0, sizeof(fl->filters[j]));
1666                 if (type_flag & VFPF_Q_FILTER_DEST_MAC_VALID) {
1667                         fl->filters[j].mac = msg_filter->mac;
1668                         fl->filters[j].type |= BNX2X_VF_FILTER_MAC;
1669                 }
1670                 if (type_flag & VFPF_Q_FILTER_VLAN_TAG_VALID) {
1671                         fl->filters[j].vid = msg_filter->vlan_tag;
1672                         fl->filters[j].type |= BNX2X_VF_FILTER_VLAN;
1673                 }
1674                 fl->filters[j].add = !!(msg_filter->flags & VFPF_Q_FILTER_SET);
1675                 fl->count++;
1676                 j++;
1677         }
1678         if (!fl->count)
1679                 kfree(fl);
1680         else
1681                 *pfl = fl;
1682
1683         return 0;
1684 }
1685
1686 static int bnx2x_vf_filters_contain(struct vfpf_set_q_filters_tlv *filters,
1687                                     u32 flags)
1688 {
1689         int i, cnt = 0;
1690
1691         for (i = 0; i < filters->n_mac_vlan_filters; i++)
1692                 if  ((filters->filters[i].flags & flags) == flags)
1693                         cnt++;
1694
1695         return cnt;
1696 }
1697
1698 static void bnx2x_vf_mbx_dp_q_filter(struct bnx2x *bp, int msglvl, int idx,
1699                                        struct vfpf_q_mac_vlan_filter *filter)
1700 {
1701         DP(msglvl, "MAC-VLAN[%d] -- flags=0x%x\n", idx, filter->flags);
1702         if (filter->flags & VFPF_Q_FILTER_VLAN_TAG_VALID)
1703                 DP_CONT(msglvl, ", vlan=%d", filter->vlan_tag);
1704         if (filter->flags & VFPF_Q_FILTER_DEST_MAC_VALID)
1705                 DP_CONT(msglvl, ", MAC=%pM", filter->mac);
1706         DP_CONT(msglvl, "\n");
1707 }
1708
1709 static void bnx2x_vf_mbx_dp_q_filters(struct bnx2x *bp, int msglvl,
1710                                        struct vfpf_set_q_filters_tlv *filters)
1711 {
1712         int i;
1713
1714         if (filters->flags & VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED)
1715                 for (i = 0; i < filters->n_mac_vlan_filters; i++)
1716                         bnx2x_vf_mbx_dp_q_filter(bp, msglvl, i,
1717                                                  &filters->filters[i]);
1718
1719         if (filters->flags & VFPF_SET_Q_FILTERS_RX_MASK_CHANGED)
1720                 DP(msglvl, "RX-MASK=0x%x\n", filters->rx_mask);
1721
1722         if (filters->flags & VFPF_SET_Q_FILTERS_MULTICAST_CHANGED)
1723                 for (i = 0; i < filters->n_multicast; i++)
1724                         DP(msglvl, "MULTICAST=%pM\n", filters->multicast[i]);
1725 }
1726
1727 #define VFPF_MAC_FILTER         VFPF_Q_FILTER_DEST_MAC_VALID
1728 #define VFPF_VLAN_FILTER        VFPF_Q_FILTER_VLAN_TAG_VALID
1729 #define VFPF_VLAN_MAC_FILTER    (VFPF_VLAN_FILTER | VFPF_MAC_FILTER)
1730
1731 static int bnx2x_vf_mbx_qfilters(struct bnx2x *bp, struct bnx2x_virtf *vf)
1732 {
1733         int rc = 0;
1734
1735         struct vfpf_set_q_filters_tlv *msg =
1736                 &BP_VF_MBX(bp, vf->index)->msg->req.set_q_filters;
1737
1738         /* check for any mac/vlan changes */
1739         if (msg->flags & VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED) {
1740                 struct bnx2x_vf_mac_vlan_filters *fl = NULL;
1741
1742                 /* build vlan-mac list */
1743                 rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl,
1744                                                VFPF_VLAN_MAC_FILTER);
1745                 if (rc)
1746                         goto op_err;
1747
1748                 if (fl) {
1749
1750                         /* set vlan-mac list */
1751                         rc = bnx2x_vf_mac_vlan_config_list(bp, vf, fl,
1752                                                            msg->vf_qid,
1753                                                            false);
1754                         if (rc)
1755                                 goto op_err;
1756                 }
1757
1758                 /* build mac list */
1759                 fl = NULL;
1760
1761                 rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl,
1762                                                VFPF_MAC_FILTER);
1763                 if (rc)
1764                         goto op_err;
1765
1766                 if (fl) {
1767                         /* set mac list */
1768                         rc = bnx2x_vf_mac_vlan_config_list(bp, vf, fl,
1769                                                            msg->vf_qid,
1770                                                            false);
1771                         if (rc)
1772                                 goto op_err;
1773                 }
1774
1775                 /* build vlan list */
1776                 fl = NULL;
1777
1778                 rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl,
1779                                                VFPF_VLAN_FILTER);
1780                 if (rc)
1781                         goto op_err;
1782
1783                 if (fl) {
1784                         /* set vlan list */
1785                         rc = bnx2x_vf_mac_vlan_config_list(bp, vf, fl,
1786                                                            msg->vf_qid,
1787                                                            false);
1788                         if (rc)
1789                                 goto op_err;
1790                 }
1791
1792         }
1793
1794         if (msg->flags & VFPF_SET_Q_FILTERS_RX_MASK_CHANGED) {
1795                 unsigned long accept = 0;
1796                 struct pf_vf_bulletin_content *bulletin =
1797                                         BP_VF_BULLETIN(bp, vf->index);
1798
1799                 /* Ignore VF requested mode; instead set a regular mode */
1800                 if (msg->rx_mask !=  VFPF_RX_MASK_ACCEPT_NONE) {
1801                         __set_bit(BNX2X_ACCEPT_UNICAST, &accept);
1802                         __set_bit(BNX2X_ACCEPT_MULTICAST, &accept);
1803                         __set_bit(BNX2X_ACCEPT_BROADCAST, &accept);
1804                 }
1805
1806                 /* any_vlan is not configured if HV is forcing VLAN
1807                  * any_vlan is configured if
1808                  *   1. VF does not support vlan filtering
1809                  *   OR
1810                  *   2. VF supports vlan filtering and explicitly requested it
1811                  */
1812                 if (!(bulletin->valid_bitmap & (1 << VLAN_VALID)) &&
1813                     (!(vf->cfg_flags & VF_CFG_VLAN_FILTER) ||
1814                      msg->rx_mask & VFPF_RX_MASK_ACCEPT_ANY_VLAN))
1815                         __set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept);
1816
1817                 /* set rx-mode */
1818                 rc = bnx2x_vf_rxmode(bp, vf, msg->vf_qid, accept);
1819                 if (rc)
1820                         goto op_err;
1821         }
1822
1823         if (msg->flags & VFPF_SET_Q_FILTERS_MULTICAST_CHANGED) {
1824                 /* set mcasts */
1825                 rc = bnx2x_vf_mcast(bp, vf, msg->multicast,
1826                                     msg->n_multicast, false);
1827                 if (rc)
1828                         goto op_err;
1829         }
1830 op_err:
1831         if (rc)
1832                 BNX2X_ERR("QFILTERS[%d:%d] error: rc %d\n",
1833                           vf->abs_vfid, msg->vf_qid, rc);
1834         return rc;
1835 }
1836
1837 static int bnx2x_filters_validate_mac(struct bnx2x *bp,
1838                                       struct bnx2x_virtf *vf,
1839                                       struct vfpf_set_q_filters_tlv *filters)
1840 {
1841         struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf->index);
1842         int rc = 0;
1843
1844         /* if a mac was already set for this VF via the set vf mac ndo, we only
1845          * accept mac configurations of that mac. Why accept them at all?
1846          * because PF may have been unable to configure the mac at the time
1847          * since queue was not set up.
1848          */
1849         if (bulletin->valid_bitmap & 1 << MAC_ADDR_VALID) {
1850                 struct vfpf_q_mac_vlan_filter *filter = NULL;
1851                 int i;
1852
1853                 for (i = 0; i < filters->n_mac_vlan_filters; i++) {
1854                         if (!(filters->filters[i].flags &
1855                               VFPF_Q_FILTER_DEST_MAC_VALID))
1856                                 continue;
1857
1858                         /* once a mac was set by ndo can only accept
1859                          * a single mac...
1860                          */
1861                         if (filter) {
1862                                 BNX2X_ERR("VF[%d] requested the addition of multiple macs after set_vf_mac ndo was called [%d filters]\n",
1863                                           vf->abs_vfid,
1864                                           filters->n_mac_vlan_filters);
1865                                 rc = -EPERM;
1866                                 goto response;
1867                         }
1868
1869                         filter = &filters->filters[i];
1870                 }
1871
1872                 /* ...and only the mac set by the ndo */
1873                 if (filter &&
1874                     !ether_addr_equal(filter->mac, bulletin->mac)) {
1875                         BNX2X_ERR("VF[%d] requested the addition of a mac address not matching the one configured by set_vf_mac ndo\n",
1876                                   vf->abs_vfid);
1877
1878                         rc = -EPERM;
1879                         goto response;
1880                 }
1881         }
1882
1883 response:
1884         return rc;
1885 }
1886
1887 static int bnx2x_filters_validate_vlan(struct bnx2x *bp,
1888                                        struct bnx2x_virtf *vf,
1889                                        struct vfpf_set_q_filters_tlv *filters)
1890 {
1891         struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf->index);
1892         int rc = 0;
1893
1894         /* if vlan was set by hypervisor we don't allow guest to config vlan */
1895         if (bulletin->valid_bitmap & 1 << VLAN_VALID) {
1896                 /* search for vlan filters */
1897
1898                 if (bnx2x_vf_filters_contain(filters,
1899                                              VFPF_Q_FILTER_VLAN_TAG_VALID)) {
1900                         BNX2X_ERR("VF[%d] attempted to configure vlan but one was already set by Hypervisor. Aborting request\n",
1901                                   vf->abs_vfid);
1902                         rc = -EPERM;
1903                         goto response;
1904                 }
1905         }
1906
1907         /* verify vf_qid */
1908         if (filters->vf_qid > vf_rxq_count(vf)) {
1909                 rc = -EPERM;
1910                 goto response;
1911         }
1912
1913 response:
1914         return rc;
1915 }
1916
1917 static void bnx2x_vf_mbx_set_q_filters(struct bnx2x *bp,
1918                                        struct bnx2x_virtf *vf,
1919                                        struct bnx2x_vf_mbx *mbx)
1920 {
1921         struct vfpf_set_q_filters_tlv *filters = &mbx->msg->req.set_q_filters;
1922         int rc;
1923
1924         rc = bnx2x_filters_validate_mac(bp, vf, filters);
1925         if (rc)
1926                 goto response;
1927
1928         rc = bnx2x_filters_validate_vlan(bp, vf, filters);
1929         if (rc)
1930                 goto response;
1931
1932         DP(BNX2X_MSG_IOV, "VF[%d] Q_FILTERS: queue[%d]\n",
1933            vf->abs_vfid,
1934            filters->vf_qid);
1935
1936         /* print q_filter message */
1937         bnx2x_vf_mbx_dp_q_filters(bp, BNX2X_MSG_IOV, filters);
1938
1939         rc = bnx2x_vf_mbx_qfilters(bp, vf);
1940 response:
1941         bnx2x_vf_mbx_resp(bp, vf, rc);
1942 }
1943
1944 static void bnx2x_vf_mbx_teardown_q(struct bnx2x *bp, struct bnx2x_virtf *vf,
1945                                     struct bnx2x_vf_mbx *mbx)
1946 {
1947         int qid = mbx->msg->req.q_op.vf_qid;
1948         int rc;
1949
1950         DP(BNX2X_MSG_IOV, "VF[%d] Q_TEARDOWN: vf_qid=%d\n",
1951            vf->abs_vfid, qid);
1952
1953         rc = bnx2x_vf_queue_teardown(bp, vf, qid);
1954         bnx2x_vf_mbx_resp(bp, vf, rc);
1955 }
1956
1957 static void bnx2x_vf_mbx_close_vf(struct bnx2x *bp, struct bnx2x_virtf *vf,
1958                                   struct bnx2x_vf_mbx *mbx)
1959 {
1960         int rc;
1961
1962         DP(BNX2X_MSG_IOV, "VF[%d] VF_CLOSE\n", vf->abs_vfid);
1963
1964         rc = bnx2x_vf_close(bp, vf);
1965         bnx2x_vf_mbx_resp(bp, vf, rc);
1966 }
1967
1968 static void bnx2x_vf_mbx_release_vf(struct bnx2x *bp, struct bnx2x_virtf *vf,
1969                                     struct bnx2x_vf_mbx *mbx)
1970 {
1971         int rc;
1972
1973         DP(BNX2X_MSG_IOV, "VF[%d] VF_RELEASE\n", vf->abs_vfid);
1974
1975         rc = bnx2x_vf_free(bp, vf);
1976         bnx2x_vf_mbx_resp(bp, vf, rc);
1977 }
1978
1979 static void bnx2x_vf_mbx_update_rss(struct bnx2x *bp, struct bnx2x_virtf *vf,
1980                                     struct bnx2x_vf_mbx *mbx)
1981 {
1982         struct bnx2x_config_rss_params rss;
1983         struct vfpf_rss_tlv *rss_tlv = &mbx->msg->req.update_rss;
1984         int rc = 0;
1985
1986         if (rss_tlv->ind_table_size != T_ETH_INDIRECTION_TABLE_SIZE ||
1987             rss_tlv->rss_key_size != T_ETH_RSS_KEY) {
1988                 BNX2X_ERR("failing rss configuration of vf %d due to size mismatch\n",
1989                           vf->index);
1990                 rc = -EINVAL;
1991                 goto mbx_resp;
1992         }
1993
1994         memset(&rss, 0, sizeof(struct bnx2x_config_rss_params));
1995
1996         /* set vfop params according to rss tlv */
1997         memcpy(rss.ind_table, rss_tlv->ind_table,
1998                T_ETH_INDIRECTION_TABLE_SIZE);
1999         memcpy(rss.rss_key, rss_tlv->rss_key, sizeof(rss_tlv->rss_key));
2000         rss.rss_obj = &vf->rss_conf_obj;
2001         rss.rss_result_mask = rss_tlv->rss_result_mask;
2002
2003         /* flags handled individually for backward/forward compatibility */
2004         rss.rss_flags = 0;
2005         rss.ramrod_flags = 0;
2006
2007         if (rss_tlv->rss_flags & VFPF_RSS_MODE_DISABLED)
2008                 __set_bit(BNX2X_RSS_MODE_DISABLED, &rss.rss_flags);
2009         if (rss_tlv->rss_flags & VFPF_RSS_MODE_REGULAR)
2010                 __set_bit(BNX2X_RSS_MODE_REGULAR, &rss.rss_flags);
2011         if (rss_tlv->rss_flags & VFPF_RSS_SET_SRCH)
2012                 __set_bit(BNX2X_RSS_SET_SRCH, &rss.rss_flags);
2013         if (rss_tlv->rss_flags & VFPF_RSS_IPV4)
2014                 __set_bit(BNX2X_RSS_IPV4, &rss.rss_flags);
2015         if (rss_tlv->rss_flags & VFPF_RSS_IPV4_TCP)
2016                 __set_bit(BNX2X_RSS_IPV4_TCP, &rss.rss_flags);
2017         if (rss_tlv->rss_flags & VFPF_RSS_IPV4_UDP)
2018                 __set_bit(BNX2X_RSS_IPV4_UDP, &rss.rss_flags);
2019         if (rss_tlv->rss_flags & VFPF_RSS_IPV6)
2020                 __set_bit(BNX2X_RSS_IPV6, &rss.rss_flags);
2021         if (rss_tlv->rss_flags & VFPF_RSS_IPV6_TCP)
2022                 __set_bit(BNX2X_RSS_IPV6_TCP, &rss.rss_flags);
2023         if (rss_tlv->rss_flags & VFPF_RSS_IPV6_UDP)
2024                 __set_bit(BNX2X_RSS_IPV6_UDP, &rss.rss_flags);
2025
2026         if ((!(rss_tlv->rss_flags & VFPF_RSS_IPV4_TCP) &&
2027              rss_tlv->rss_flags & VFPF_RSS_IPV4_UDP) ||
2028             (!(rss_tlv->rss_flags & VFPF_RSS_IPV6_TCP) &&
2029              rss_tlv->rss_flags & VFPF_RSS_IPV6_UDP)) {
2030                 BNX2X_ERR("about to hit a FW assert. aborting...\n");
2031                 rc = -EINVAL;
2032                 goto mbx_resp;
2033         }
2034
2035         rc = bnx2x_vf_rss_update(bp, vf, &rss);
2036 mbx_resp:
2037         bnx2x_vf_mbx_resp(bp, vf, rc);
2038 }
2039
2040 static int bnx2x_validate_tpa_params(struct bnx2x *bp,
2041                                        struct vfpf_tpa_tlv *tpa_tlv)
2042 {
2043         int rc = 0;
2044
2045         if (tpa_tlv->tpa_client_info.max_sges_for_packet >
2046             U_ETH_MAX_SGES_FOR_PACKET) {
2047                 rc = -EINVAL;
2048                 BNX2X_ERR("TPA update: max_sges received %d, max is %d\n",
2049                           tpa_tlv->tpa_client_info.max_sges_for_packet,
2050                           U_ETH_MAX_SGES_FOR_PACKET);
2051         }
2052
2053         if (tpa_tlv->tpa_client_info.max_tpa_queues > MAX_AGG_QS(bp)) {
2054                 rc = -EINVAL;
2055                 BNX2X_ERR("TPA update: max_tpa_queues received %d, max is %d\n",
2056                           tpa_tlv->tpa_client_info.max_tpa_queues,
2057                           MAX_AGG_QS(bp));
2058         }
2059
2060         return rc;
2061 }
2062
2063 static void bnx2x_vf_mbx_update_tpa(struct bnx2x *bp, struct bnx2x_virtf *vf,
2064                                     struct bnx2x_vf_mbx *mbx)
2065 {
2066         struct bnx2x_queue_update_tpa_params vf_op_params;
2067         struct vfpf_tpa_tlv *tpa_tlv = &mbx->msg->req.update_tpa;
2068         int rc = 0;
2069
2070         memset(&vf_op_params, 0, sizeof(vf_op_params));
2071
2072         if (bnx2x_validate_tpa_params(bp, tpa_tlv))
2073                 goto mbx_resp;
2074
2075         vf_op_params.complete_on_both_clients =
2076                 tpa_tlv->tpa_client_info.complete_on_both_clients;
2077         vf_op_params.dont_verify_thr =
2078                 tpa_tlv->tpa_client_info.dont_verify_thr;
2079         vf_op_params.max_agg_sz =
2080                 tpa_tlv->tpa_client_info.max_agg_size;
2081         vf_op_params.max_sges_pkt =
2082                 tpa_tlv->tpa_client_info.max_sges_for_packet;
2083         vf_op_params.max_tpa_queues =
2084                 tpa_tlv->tpa_client_info.max_tpa_queues;
2085         vf_op_params.sge_buff_sz =
2086                 tpa_tlv->tpa_client_info.sge_buff_size;
2087         vf_op_params.sge_pause_thr_high =
2088                 tpa_tlv->tpa_client_info.sge_pause_thr_high;
2089         vf_op_params.sge_pause_thr_low =
2090                 tpa_tlv->tpa_client_info.sge_pause_thr_low;
2091         vf_op_params.tpa_mode =
2092                 tpa_tlv->tpa_client_info.tpa_mode;
2093         vf_op_params.update_ipv4 =
2094                 tpa_tlv->tpa_client_info.update_ipv4;
2095         vf_op_params.update_ipv6 =
2096                 tpa_tlv->tpa_client_info.update_ipv6;
2097
2098         rc = bnx2x_vf_tpa_update(bp, vf, tpa_tlv, &vf_op_params);
2099
2100 mbx_resp:
2101         bnx2x_vf_mbx_resp(bp, vf, rc);
2102 }
2103
2104 /* dispatch request */
2105 static void bnx2x_vf_mbx_request(struct bnx2x *bp, struct bnx2x_virtf *vf,
2106                                   struct bnx2x_vf_mbx *mbx)
2107 {
2108         int i;
2109
2110         /* check if tlv type is known */
2111         if (bnx2x_tlv_supported(mbx->first_tlv.tl.type)) {
2112                 /* Lock the per vf op mutex and note the locker's identity.
2113                  * The unlock will take place in mbx response.
2114                  */
2115                 bnx2x_lock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type);
2116
2117                 /* switch on the opcode */
2118                 switch (mbx->first_tlv.tl.type) {
2119                 case CHANNEL_TLV_ACQUIRE:
2120                         bnx2x_vf_mbx_acquire(bp, vf, mbx);
2121                         return;
2122                 case CHANNEL_TLV_INIT:
2123                         bnx2x_vf_mbx_init_vf(bp, vf, mbx);
2124                         return;
2125                 case CHANNEL_TLV_SETUP_Q:
2126                         bnx2x_vf_mbx_setup_q(bp, vf, mbx);
2127                         return;
2128                 case CHANNEL_TLV_SET_Q_FILTERS:
2129                         bnx2x_vf_mbx_set_q_filters(bp, vf, mbx);
2130                         return;
2131                 case CHANNEL_TLV_TEARDOWN_Q:
2132                         bnx2x_vf_mbx_teardown_q(bp, vf, mbx);
2133                         return;
2134                 case CHANNEL_TLV_CLOSE:
2135                         bnx2x_vf_mbx_close_vf(bp, vf, mbx);
2136                         return;
2137                 case CHANNEL_TLV_RELEASE:
2138                         bnx2x_vf_mbx_release_vf(bp, vf, mbx);
2139                         return;
2140                 case CHANNEL_TLV_UPDATE_RSS:
2141                         bnx2x_vf_mbx_update_rss(bp, vf, mbx);
2142                         return;
2143                 case CHANNEL_TLV_UPDATE_TPA:
2144                         bnx2x_vf_mbx_update_tpa(bp, vf, mbx);
2145                         return;
2146                 }
2147
2148         } else {
2149                 /* unknown TLV - this may belong to a VF driver from the future
2150                  * - a version written after this PF driver was written, which
2151                  * supports features unknown as of yet. Too bad since we don't
2152                  * support them. Or this may be because someone wrote a crappy
2153                  * VF driver and is sending garbage over the channel.
2154                  */
2155                 BNX2X_ERR("unknown TLV. type %d length %d vf->state was %d. first 20 bytes of mailbox buffer:\n",
2156                           mbx->first_tlv.tl.type, mbx->first_tlv.tl.length,
2157                           vf->state);
2158                 for (i = 0; i < 20; i++)
2159                         DP_CONT(BNX2X_MSG_IOV, "%x ",
2160                                 mbx->msg->req.tlv_buf_size.tlv_buffer[i]);
2161         }
2162
2163         /* can we respond to VF (do we have an address for it?) */
2164         if (vf->state == VF_ACQUIRED || vf->state == VF_ENABLED) {
2165                 /* notify the VF that we do not support this request */
2166                 bnx2x_vf_mbx_resp(bp, vf, PFVF_STATUS_NOT_SUPPORTED);
2167         } else {
2168                 /* can't send a response since this VF is unknown to us
2169                  * just ack the FW to release the mailbox and unlock
2170                  * the channel.
2171                  */
2172                 storm_memset_vf_mbx_ack(bp, vf->abs_vfid);
2173                 /* Firmware ack should be written before unlocking channel */
2174                 bnx2x_unlock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type);
2175         }
2176 }
2177
2178 void bnx2x_vf_mbx_schedule(struct bnx2x *bp,
2179                            struct vf_pf_event_data *vfpf_event)
2180 {
2181         u8 vf_idx;
2182
2183         DP(BNX2X_MSG_IOV,
2184            "vf pf event received: vfid %d, address_hi %x, address lo %x",
2185            vfpf_event->vf_id, vfpf_event->msg_addr_hi, vfpf_event->msg_addr_lo);
2186         /* Sanity checks consider removing later */
2187
2188         /* check if the vf_id is valid */
2189         if (vfpf_event->vf_id - BP_VFDB(bp)->sriov.first_vf_in_pf >
2190             BNX2X_NR_VIRTFN(bp)) {
2191                 BNX2X_ERR("Illegal vf_id %d max allowed: %d\n",
2192                           vfpf_event->vf_id, BNX2X_NR_VIRTFN(bp));
2193                 return;
2194         }
2195
2196         vf_idx = bnx2x_vf_idx_by_abs_fid(bp, vfpf_event->vf_id);
2197
2198         /* Update VFDB with current message and schedule its handling */
2199         mutex_lock(&BP_VFDB(bp)->event_mutex);
2200         BP_VF_MBX(bp, vf_idx)->vf_addr_hi =
2201                 le32_to_cpu(vfpf_event->msg_addr_hi);
2202         BP_VF_MBX(bp, vf_idx)->vf_addr_lo =
2203                 le32_to_cpu(vfpf_event->msg_addr_lo);
2204         BP_VFDB(bp)->event_occur |= (1ULL << vf_idx);
2205         mutex_unlock(&BP_VFDB(bp)->event_mutex);
2206
2207         bnx2x_schedule_iov_task(bp, BNX2X_IOV_HANDLE_VF_MSG);
2208 }
2209
2210 /* handle new vf-pf messages */
2211 void bnx2x_vf_mbx(struct bnx2x *bp)
2212 {
2213         struct bnx2x_vfdb *vfdb = BP_VFDB(bp);
2214         u64 events;
2215         u8 vf_idx;
2216         int rc;
2217
2218         if (!vfdb)
2219                 return;
2220
2221         mutex_lock(&vfdb->event_mutex);
2222         events = vfdb->event_occur;
2223         vfdb->event_occur = 0;
2224         mutex_unlock(&vfdb->event_mutex);
2225
2226         for_each_vf(bp, vf_idx) {
2227                 struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf_idx);
2228                 struct bnx2x_virtf *vf = BP_VF(bp, vf_idx);
2229
2230                 /* Handle VFs which have pending events */
2231                 if (!(events & (1ULL << vf_idx)))
2232                         continue;
2233
2234                 DP(BNX2X_MSG_IOV,
2235                    "Handling vf pf event vfid %d, address: [%x:%x], resp_offset 0x%x\n",
2236                    vf_idx, mbx->vf_addr_hi, mbx->vf_addr_lo,
2237                    mbx->first_tlv.resp_msg_offset);
2238
2239                 /* dmae to get the VF request */
2240                 rc = bnx2x_copy32_vf_dmae(bp, true, mbx->msg_mapping,
2241                                           vf->abs_vfid, mbx->vf_addr_hi,
2242                                           mbx->vf_addr_lo,
2243                                           sizeof(union vfpf_tlvs)/4);
2244                 if (rc) {
2245                         BNX2X_ERR("Failed to copy request VF %d\n",
2246                                   vf->abs_vfid);
2247                         bnx2x_vf_release(bp, vf);
2248                         return;
2249                 }
2250
2251                 /* process the VF message header */
2252                 mbx->first_tlv = mbx->msg->req.first_tlv;
2253
2254                 /* Clean response buffer to refrain from falsely
2255                  * seeing chains.
2256                  */
2257                 memset(&mbx->msg->resp, 0, sizeof(union pfvf_tlvs));
2258
2259                 /* dispatch the request (will prepare the response) */
2260                 bnx2x_vf_mbx_request(bp, vf, mbx);
2261         }
2262 }
2263
2264 void bnx2x_vf_bulletin_finalize(struct pf_vf_bulletin_content *bulletin,
2265                                 bool support_long)
2266 {
2267         /* Older VFs contain a bug where they can't check CRC for bulletin
2268          * boards of length greater than legacy size.
2269          */
2270         bulletin->length = support_long ? BULLETIN_CONTENT_SIZE :
2271                                           BULLETIN_CONTENT_LEGACY_SIZE;
2272         bulletin->crc = bnx2x_crc_vf_bulletin(bulletin);
2273 }
2274
2275 /* propagate local bulletin board to vf */
2276 int bnx2x_post_vf_bulletin(struct bnx2x *bp, int vf)
2277 {
2278         struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf);
2279         dma_addr_t pf_addr = BP_VF_BULLETIN_DMA(bp)->mapping +
2280                 vf * BULLETIN_CONTENT_SIZE;
2281         dma_addr_t vf_addr = bnx2x_vf(bp, vf, bulletin_map);
2282         int rc;
2283
2284         /* can only update vf after init took place */
2285         if (bnx2x_vf(bp, vf, state) != VF_ENABLED &&
2286             bnx2x_vf(bp, vf, state) != VF_ACQUIRED)
2287                 return 0;
2288
2289         /* increment bulletin board version and compute crc */
2290         bulletin->version++;
2291         bnx2x_vf_bulletin_finalize(bulletin,
2292                                    (bnx2x_vf(bp, vf, cfg_flags) &
2293                                     VF_CFG_EXT_BULLETIN) ? true : false);
2294
2295         /* propagate bulletin board via dmae to vm memory */
2296         rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr,
2297                                   bnx2x_vf(bp, vf, abs_vfid), U64_HI(vf_addr),
2298                                   U64_LO(vf_addr), bulletin->length / 4);
2299         return rc;
2300 }