2 * Copyright (c) 2013-2015 Brocade Communications Systems, Inc.
9 /* calculate the crc in the bulletin board */
10 static inline uint32_t
11 bnx2x_vf_crc(struct bnx2x_vf_bulletin *bull)
13 uint32_t crc_sz = sizeof(bull->crc), length = bull->length - crc_sz;
15 return ECORE_CRC32_LE(0, (uint8_t *)bull + crc_sz, length);
18 /* Checks are there mac/channel updates for VF
19 * returns TRUE if something was updated
22 bnx2x_check_bull(struct bnx2x_softc *sc)
24 struct bnx2x_vf_bulletin *bull;
26 uint16_t old_version = sc->old_bulletin.version;
27 uint64_t valid_bitmap;
29 bull = sc->pf2vf_bulletin;
30 if (old_version == bull->version) {
33 /* Check the crc until we get the correct data */
34 while (tries < BNX2X_VF_BULLETIN_TRIES) {
35 bull = sc->pf2vf_bulletin;
36 if (bull->crc == bnx2x_vf_crc(bull))
39 PMD_DRV_LOG(ERR, "bad crc on bulletin board. contained %x computed %x",
40 bull->crc, bnx2x_vf_crc(bull));
43 if (tries == BNX2X_VF_BULLETIN_TRIES) {
44 PMD_DRV_LOG(ERR, "pf to vf bulletin board crc was wrong %d consecutive times. Aborting",
50 valid_bitmap = bull->valid_bitmap;
52 /* check the mac address and VLAN and allocate memory if valid */
53 if (valid_bitmap & (1 << MAC_ADDR_VALID) && memcmp(bull->mac, sc->old_bulletin.mac, ETH_ALEN))
54 rte_memcpy(&sc->link_params.mac_addr, bull->mac, ETH_ALEN);
55 if (valid_bitmap & (1 << VLAN_VALID))
56 rte_memcpy(&bull->vlan, &sc->old_bulletin.vlan, VLAN_HLEN);
58 sc->old_bulletin = *bull;
63 /* add tlv to a buffer */
64 #define BNX2X_TLV_APPEND(_tlvs, _offset, _type, _length) \
65 ((struct vf_first_tlv *)((uint64_t)_tlvs + _offset))->type = _type; \
66 ((struct vf_first_tlv *)((uint64_t)_tlvs + _offset))->length = _length
68 /* Initiliaze header of the first tlv and clear mailbox*/
70 bnx2x_init_first_tlv(struct bnx2x_softc *sc, struct vf_first_tlv *tlv,
71 uint16_t type, uint16_t len)
73 struct bnx2x_vf_mbx_msg *mbox = sc->vf2pf_mbox;
74 PMD_DRV_LOG(DEBUG, "Preparing %d tlv for sending", type);
76 memset(mbox, 0, sizeof(struct bnx2x_vf_mbx_msg));
78 BNX2X_TLV_APPEND(tlv, 0, type, len);
80 /* Initialize header of the first tlv */
81 tlv->reply_offset = sizeof(mbox->query);
84 #define BNX2X_VF_CMD_ADDR_LO PXP_VF_ADDR_CSDM_GLOBAL_START
85 #define BNX2X_VF_CMD_ADDR_HI BNX2X_VF_CMD_ADDR_LO + 4
86 #define BNX2X_VF_CMD_TRIGGER BNX2X_VF_CMD_ADDR_HI + 4
87 #define BNX2X_VF_CHANNEL_DELAY 100
88 #define BNX2X_VF_CHANNEL_TRIES 100
91 bnx2x_do_req4pf(struct bnx2x_softc *sc, phys_addr_t phys_addr)
93 uint8_t *status = &sc->vf2pf_mbox->resp.common_reply.status;
98 if (sc->old_bulletin.valid_bitmap & (1 << CHANNEL_DOWN)) {
99 PMD_DRV_LOG(ERR, "channel is down. Aborting message sending");
100 *status = BNX2X_VF_STATUS_SUCCESS;
104 REG_WR(sc, BNX2X_VF_CMD_ADDR_LO, U64_LO(phys_addr));
105 REG_WR(sc, BNX2X_VF_CMD_ADDR_HI, U64_HI(phys_addr));
107 /* memory barrier to ensure that FW can read phys_addr */
110 REG_WR8(sc, BNX2X_VF_CMD_TRIGGER, 1);
112 /* Do several attempts until PF completes
113 * "." is used to show progress
115 for (i = 0; i < BNX2X_VF_CHANNEL_TRIES; i++) {
116 DELAY_MS(BNX2X_VF_CHANNEL_DELAY);
121 if (i == BNX2X_VF_CHANNEL_TRIES) {
122 PMD_DRV_LOG(ERR, "Response from PF timed out");
126 if (BNX2X_VF_STATUS_SUCCESS != *status) {
127 PMD_DRV_LOG(ERR, "Bad reply from PF : %u",
132 PMD_DRV_LOG(ERR, "status should be zero before message"
137 PMD_DRV_LOG(DEBUG, "Response from PF was received");
141 static inline uint16_t bnx2x_check_me_flags(uint32_t val)
143 if (((val) & ME_REG_VF_VALID) && (!((val) & ME_REG_VF_ERR)))
144 return ME_REG_VF_VALID;
149 #define BNX2X_ME_ANSWER_DELAY 100
150 #define BNX2X_ME_ANSWER_TRIES 10
152 static inline int bnx2x_read_vf_id(struct bnx2x_softc *sc)
157 while (i <= BNX2X_ME_ANSWER_TRIES) {
158 val = BNX2X_DB_READ(DOORBELL_ADDR(sc, 0));
159 if (bnx2x_check_me_flags(val))
162 DELAY_MS(BNX2X_ME_ANSWER_DELAY);
169 #define BNX2X_VF_OBTAIN_MAX_TRIES 3
170 #define BNX2X_VF_OBTAIN_MAC_FILTERS 1
171 #define BNX2X_VF_OBTAIN_MC_FILTERS 10
173 struct bnx2x_obtain_status {
179 struct bnx2x_obtain_status bnx2x_loop_obtain_resources(struct bnx2x_softc *sc)
182 struct vf_acquire_resp_tlv *resp = &sc->vf2pf_mbox->resp.acquire_resp,
183 *sc_resp = &sc->acquire_resp;
184 struct vf_resource_query *res_query;
185 struct vf_resc *resc;
186 struct bnx2x_obtain_status status;
187 int res_obtained = false;
190 PMD_DRV_LOG(DEBUG, "trying to get resources");
192 if ( bnx2x_do_req4pf(sc, sc->vf2pf_mbox_mapping.paddr) ) {
199 memcpy(sc_resp, resp, sizeof(sc->acquire_resp));
203 /* check PF to request acceptance */
204 if (sc_resp->status == BNX2X_VF_STATUS_SUCCESS) {
205 PMD_DRV_LOG(DEBUG, "resources obtained successfully");
207 } else if (sc_resp->status == BNX2X_VF_STATUS_NO_RESOURCES &&
208 tries < BNX2X_VF_OBTAIN_MAX_TRIES) {
210 "PF cannot allocate requested amount of resources");
212 res_query = &sc->vf2pf_mbox->query[0].acquire.res_query;
213 resc = &sc_resp->resc;
215 /* PF refused our request. Try to decrease request params */
216 res_query->num_txqs = min(res_query->num_txqs, resc->num_txqs);
217 res_query->num_rxqs = min(res_query->num_rxqs, resc->num_rxqs);
218 res_query->num_sbs = min(res_query->num_sbs, resc->num_sbs);
219 res_query->num_mac_filters = min(res_query->num_mac_filters, resc->num_mac_filters);
220 res_query->num_vlan_filters = min(res_query->num_vlan_filters, resc->num_vlan_filters);
221 res_query->num_mc_filters = min(res_query->num_mc_filters, resc->num_mc_filters);
223 memset(&sc->vf2pf_mbox->resp, 0, sizeof(union resp_tlvs));
225 PMD_DRV_LOG(ERR, "Resources cannot be obtained. Status of handling: %d. Aborting",
228 status.err_code = -EAGAIN;
231 } while (!res_obtained);
237 int bnx2x_vf_get_resources(struct bnx2x_softc *sc, uint8_t tx_count, uint8_t rx_count)
239 struct vf_acquire_tlv *acq = &sc->vf2pf_mbox->query[0].acquire;
241 struct bnx2x_obtain_status obtain_status;
244 bnx2x_init_first_tlv(sc, &acq->first_tlv, BNX2X_VF_TLV_ACQUIRE, sizeof(*acq));
246 vf_id = bnx2x_read_vf_id(sc);
252 acq->res_query.num_rxqs = rx_count;
253 acq->res_query.num_txqs = tx_count;
254 acq->res_query.num_sbs = sc->igu_sb_cnt;
255 acq->res_query.num_mac_filters = BNX2X_VF_OBTAIN_MAC_FILTERS;
256 acq->res_query.num_mc_filters = BNX2X_VF_OBTAIN_MC_FILTERS;
258 acq->bulletin_addr = sc->pf2vf_bulletin_mapping.paddr;
260 BNX2X_TLV_APPEND(acq, acq->first_tlv.length, BNX2X_VF_TLV_LIST_END,
261 sizeof(struct channel_list_end_tlv));
263 /* requesting the resources in loop */
264 obtain_status = bnx2x_loop_obtain_resources(sc);
265 if (!obtain_status.success)
266 return obtain_status.err_code;
268 struct vf_acquire_resp_tlv sc_resp = sc->acquire_resp;
270 sc->devinfo.chip_id |= (sc_resp.chip_num & 0xFFFF);
271 sc->devinfo.int_block = INT_BLOCK_IGU;
272 sc->devinfo.chip_port_mode = CHIP_2_PORT_MODE;
273 sc->devinfo.mf_info.mf_ov = 0;
274 sc->devinfo.mf_info.mf_mode = 0;
275 sc->devinfo.flash_size = 0;
277 sc->igu_sb_cnt = sc_resp.resc.num_sbs;
278 sc->igu_base_sb = sc_resp.resc.hw_sbs[0] & 0xFF;
281 sc->link_params.chip_id = sc->devinfo.chip_id;
282 sc->doorbell_size = sc_resp.db_size;
283 sc->flags |= BNX2X_NO_WOL_FLAG | BNX2X_NO_ISCSI_OOO_FLAG | BNX2X_NO_ISCSI_FLAG | BNX2X_NO_FCOE_FLAG;
285 PMD_DRV_LOG(DEBUG, "status block count = %d, base status block = %x",
286 sc->igu_sb_cnt, sc->igu_base_sb);
287 strncpy(sc->fw_ver, sc_resp.fw_ver, sizeof(sc->fw_ver));
289 if (is_valid_ether_addr(sc_resp.resc.current_mac_addr))
290 (void)rte_memcpy(sc->link_params.mac_addr,
291 sc_resp.resc.current_mac_addr,
297 /* Ask PF to release VF's resources */
299 bnx2x_vf_close(struct bnx2x_softc *sc)
301 struct vf_release_tlv *query;
302 int vf_id = bnx2x_read_vf_id(sc);
306 query = &sc->vf2pf_mbox->query[0].release;
307 bnx2x_init_first_tlv(sc, &query->first_tlv, BNX2X_VF_TLV_RELEASE,
310 query->vf_id = vf_id;
311 BNX2X_TLV_APPEND(query, query->first_tlv.length, BNX2X_VF_TLV_LIST_END,
312 sizeof(struct channel_list_end_tlv));
314 ret = bnx2x_do_req4pf(sc, sc->vf2pf_mbox_mapping.paddr);
317 PMD_DRV_LOG(ERR, "Failed to release VF");
322 /* Let PF know the VF status blocks phys_addrs */
324 bnx2x_vf_init(struct bnx2x_softc *sc)
326 struct vf_init_tlv *query;
329 query = &sc->vf2pf_mbox->query[0].init;
330 bnx2x_init_first_tlv(sc, &query->first_tlv, BNX2X_VF_TLV_INIT,
333 FOR_EACH_QUEUE(sc, i) {
334 query->sb_addr[i] = (unsigned long)(sc->fp[i].sb_dma.paddr);
337 query->stats_step = sizeof(struct per_queue_stats);
338 query->stats_addr = sc->fw_stats_data_mapping +
339 offsetof(struct bnx2x_fw_stats_data, queue_stats);
341 BNX2X_TLV_APPEND(query, query->first_tlv.length, BNX2X_VF_TLV_LIST_END,
342 sizeof(struct channel_list_end_tlv));
344 ret = bnx2x_do_req4pf(sc, sc->vf2pf_mbox_mapping.paddr);
347 PMD_DRV_LOG(ERR, "Failed to init VF");
351 PMD_DRV_LOG(DEBUG, "VF was initialized");
356 bnx2x_vf_unload(struct bnx2x_softc *sc)
358 struct vf_close_tlv *query;
359 struct vf_q_op_tlv *query_op;
362 vf_id = bnx2x_read_vf_id(sc);
364 FOR_EACH_QUEUE(sc, i) {
365 query_op = &sc->vf2pf_mbox->query[0].q_op;
366 bnx2x_init_first_tlv(sc, &query_op->first_tlv,
367 BNX2X_VF_TLV_TEARDOWN_Q,
370 query_op->vf_qid = i;
372 BNX2X_TLV_APPEND(query_op, query_op->first_tlv.length,
373 BNX2X_VF_TLV_LIST_END,
374 sizeof(struct channel_list_end_tlv));
376 ret = bnx2x_do_req4pf(sc, sc->vf2pf_mbox_mapping.paddr);
379 "Bad reply for vf_q %d teardown", i);
382 bnx2x_vf_set_mac(sc, false);
384 query = &sc->vf2pf_mbox->query[0].close;
385 bnx2x_init_first_tlv(sc, &query->first_tlv, BNX2X_VF_TLV_CLOSE,
388 query->vf_id = vf_id;
390 BNX2X_TLV_APPEND(query, query->first_tlv.length,
391 BNX2X_VF_TLV_LIST_END,
392 sizeof(struct channel_list_end_tlv));
394 ret = bnx2x_do_req4pf(sc, sc->vf2pf_mbox_mapping.paddr);
398 "Bad reply from PF for close message");
402 static inline uint16_t
403 bnx2x_vf_q_flags(uint8_t leading)
405 uint16_t flags = leading ? BNX2X_VF_Q_FLAG_LEADING_RSS : 0;
407 flags |= BNX2X_VF_Q_FLAG_CACHE_ALIGN;
408 flags |= BNX2X_VF_Q_FLAG_STATS;
409 flags |= BNX2X_VF_Q_FLAG_VLAN;
415 bnx2x_vf_rx_q_prep(struct bnx2x_softc *sc, struct bnx2x_fastpath *fp,
416 struct vf_rxq_params *rxq_init, uint16_t flags)
418 struct bnx2x_rx_queue *rxq;
420 rxq = sc->rx_queues[fp->index];
422 PMD_DRV_LOG(ERR, "RX queue %d is NULL", fp->index);
426 rxq_init->rcq_addr = rxq->cq_ring_phys_addr;
427 rxq_init->rcq_np_addr = rxq->cq_ring_phys_addr + BNX2X_PAGE_SIZE;
428 rxq_init->rxq_addr = rxq->rx_ring_phys_addr;
429 rxq_init->vf_sb_id = fp->index;
430 rxq_init->sb_cq_index = HC_INDEX_ETH_RX_CQ_CONS;
431 rxq_init->mtu = sc->mtu;
432 rxq_init->buf_sz = fp->rx_buf_size;
433 rxq_init->flags = flags;
434 rxq_init->stat_id = -1;
435 rxq_init->cache_line_log = BNX2X_RX_ALIGN_SHIFT;
439 bnx2x_vf_tx_q_prep(struct bnx2x_softc *sc, struct bnx2x_fastpath *fp,
440 struct vf_txq_params *txq_init, uint16_t flags)
442 struct bnx2x_tx_queue *txq;
444 txq = sc->tx_queues[fp->index];
446 PMD_DRV_LOG(ERR, "TX queue %d is NULL", fp->index);
450 txq_init->txq_addr = txq->tx_ring_phys_addr;
451 txq_init->sb_index = HC_INDEX_ETH_TX_CQ_CONS_COS0;
452 txq_init->flags = flags;
453 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_NW;
454 txq_init->vf_sb_id = fp->index;
458 bnx2x_vf_setup_queue(struct bnx2x_softc *sc, struct bnx2x_fastpath *fp, int leading)
460 struct vf_setup_q_tlv *query;
461 uint16_t flags = bnx2x_vf_q_flags(leading);
464 query = &sc->vf2pf_mbox->query[0].setup_q;
465 bnx2x_init_first_tlv(sc, &query->first_tlv, BNX2X_VF_TLV_SETUP_Q,
468 query->vf_qid = fp->index;
469 query->param_valid = VF_RXQ_VALID | VF_TXQ_VALID;
471 bnx2x_vf_rx_q_prep(sc, fp, &query->rxq, flags);
472 bnx2x_vf_tx_q_prep(sc, fp, &query->txq, flags);
474 BNX2X_TLV_APPEND(query, query->first_tlv.length, BNX2X_VF_TLV_LIST_END,
475 sizeof(struct channel_list_end_tlv));
477 ret = bnx2x_do_req4pf(sc, sc->vf2pf_mbox_mapping.paddr);
480 PMD_DRV_LOG(ERR, "Failed to setup VF queue[%d]",
489 bnx2x_vf_set_mac(struct bnx2x_softc *sc, int set)
491 struct vf_set_q_filters_tlv *query;
492 struct vf_common_reply_tlv *reply;
494 query = &sc->vf2pf_mbox->query[0].set_q_filters;
495 bnx2x_init_first_tlv(sc, &query->first_tlv, BNX2X_VF_TLV_SET_Q_FILTERS,
498 query->vf_qid = sc->fp->index;
499 query->mac_filters_cnt = 1;
500 query->flags = BNX2X_VF_MAC_VLAN_CHANGED;
502 query->filters[0].flags = (set ? BNX2X_VF_Q_FILTER_SET_MAC : 0) |
503 BNX2X_VF_Q_FILTER_DEST_MAC_VALID;
505 bnx2x_check_bull(sc);
507 rte_memcpy(query->filters[0].mac, sc->link_params.mac_addr, ETH_ALEN);
509 BNX2X_TLV_APPEND(query, query->first_tlv.length, BNX2X_VF_TLV_LIST_END,
510 sizeof(struct channel_list_end_tlv));
512 bnx2x_do_req4pf(sc, sc->vf2pf_mbox_mapping.paddr);
513 reply = &sc->vf2pf_mbox->resp.common_reply;
515 while (BNX2X_VF_STATUS_FAILURE == reply->status &&
516 bnx2x_check_bull(sc)) {
517 /* A new mac was configured by PF for us */
518 rte_memcpy(sc->link_params.mac_addr, sc->pf2vf_bulletin->mac,
520 rte_memcpy(query->filters[0].mac, sc->pf2vf_bulletin->mac,
523 bnx2x_do_req4pf(sc, sc->vf2pf_mbox_mapping.paddr);
526 if (BNX2X_VF_STATUS_SUCCESS != reply->status) {
527 PMD_DRV_LOG(ERR, "Bad reply from PF for SET MAC message: %d",
536 bnx2x_vf_config_rss(struct bnx2x_softc *sc,
537 struct ecore_config_rss_params *params)
539 struct vf_rss_tlv *query;
542 query = &sc->vf2pf_mbox->query[0].update_rss;
544 bnx2x_init_first_tlv(sc, &query->first_tlv, BNX2X_VF_TLV_UPDATE_RSS,
547 /* add list termination tlv */
548 BNX2X_TLV_APPEND(query, query->first_tlv.length, BNX2X_VF_TLV_LIST_END,
549 sizeof(struct channel_list_end_tlv));
551 rte_memcpy(query->rss_key, params->rss_key, sizeof(params->rss_key));
552 query->rss_key_size = T_ETH_RSS_KEY;
554 rte_memcpy(query->ind_table, params->ind_table, T_ETH_INDIRECTION_TABLE_SIZE);
555 query->ind_table_size = T_ETH_INDIRECTION_TABLE_SIZE;
557 query->rss_result_mask = params->rss_result_mask;
558 query->rss_flags = params->rss_flags;
560 ret = bnx2x_do_req4pf(sc, sc->vf2pf_mbox_mapping.paddr);
562 PMD_DRV_LOG(ERR, "Failed to send message to PF, rc %d", ret);
570 bnx2x_vf_set_rx_mode(struct bnx2x_softc *sc)
572 struct vf_set_q_filters_tlv *query;
573 unsigned long tx_mask;
576 query = &sc->vf2pf_mbox->query[0].set_q_filters;
577 bnx2x_init_first_tlv(sc, &query->first_tlv, BNX2X_VF_TLV_SET_Q_FILTERS,
581 query->flags = BNX2X_VF_RX_MASK_CHANGED;
583 if (bnx2x_fill_accept_flags(sc, sc->rx_mode, &query->rx_mask, &tx_mask)) {
587 BNX2X_TLV_APPEND(query, query->first_tlv.length, BNX2X_VF_TLV_LIST_END,
588 sizeof(struct channel_list_end_tlv));
590 ret = bnx2x_do_req4pf(sc, sc->vf2pf_mbox_mapping.paddr);
592 PMD_DRV_LOG(ERR, "Failed to send message to PF, rc %d", ret);