1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(C) 2021 Marvell.
9 roc_npc_vtag_actions_get(struct roc_npc *roc_npc)
11 struct npc *npc = roc_npc_to_npc_priv(roc_npc);
13 return npc->vtag_strip_actions;
17 roc_npc_vtag_actions_sub_return(struct roc_npc *roc_npc, uint32_t count)
19 struct npc *npc = roc_npc_to_npc_priv(roc_npc);
21 npc->vtag_strip_actions -= count;
22 return npc->vtag_strip_actions;
26 roc_npc_mcam_free_counter(struct roc_npc *roc_npc, uint16_t ctr_id)
28 struct npc *npc = roc_npc_to_npc_priv(roc_npc);
30 return npc_mcam_free_counter(npc, ctr_id);
34 roc_npc_mcam_read_counter(struct roc_npc *roc_npc, uint32_t ctr_id,
37 struct npc *npc = roc_npc_to_npc_priv(roc_npc);
39 return npc_mcam_read_counter(npc, ctr_id, count);
43 roc_npc_mcam_clear_counter(struct roc_npc *roc_npc, uint32_t ctr_id)
45 struct npc *npc = roc_npc_to_npc_priv(roc_npc);
47 return npc_mcam_clear_counter(npc, ctr_id);
51 roc_npc_mcam_free_entry(struct roc_npc *roc_npc, uint32_t entry)
53 struct npc *npc = roc_npc_to_npc_priv(roc_npc);
55 return npc_mcam_free_entry(npc, entry);
59 roc_npc_mcam_free_all_resources(struct roc_npc *roc_npc)
61 struct npc *npc = roc_npc_to_npc_priv(roc_npc);
63 return npc_flow_free_all_resources(npc);
67 roc_npc_mcam_alloc_entries(struct roc_npc *roc_npc, int ref_entry,
68 int *alloc_entry, int req_count, int priority,
71 struct npc *npc = roc_npc_to_npc_priv(roc_npc);
73 return npc_mcam_alloc_entries(npc, ref_entry, alloc_entry, req_count,
74 priority, resp_count);
78 roc_npc_mcam_enable_all_entries(struct roc_npc *roc_npc, bool enable)
80 struct npc *npc = roc_npc_to_npc_priv(roc_npc);
82 return npc_flow_enable_all_entries(npc, enable);
86 roc_npc_mcam_alloc_entry(struct roc_npc *roc_npc, struct roc_npc_flow *mcam,
87 struct roc_npc_flow *ref_mcam, int prio,
90 struct npc *npc = roc_npc_to_npc_priv(roc_npc);
92 return npc_mcam_alloc_entry(npc, mcam, ref_mcam, prio, resp_count);
96 roc_npc_mcam_ena_dis_entry(struct roc_npc *roc_npc, struct roc_npc_flow *mcam,
99 struct npc *npc = roc_npc_to_npc_priv(roc_npc);
101 return npc_mcam_ena_dis_entry(npc, mcam, enable);
105 roc_npc_mcam_write_entry(struct roc_npc *roc_npc, struct roc_npc_flow *mcam)
107 struct npc *npc = roc_npc_to_npc_priv(roc_npc);
109 return npc_mcam_write_entry(npc, mcam);
113 roc_npc_get_low_priority_mcam(struct roc_npc *roc_npc)
115 struct npc *npc = roc_npc_to_npc_priv(roc_npc);
117 if (roc_model_is_cn10k())
118 return (npc->mcam_entries - NPC_MCAME_RESVD_10XX - 1);
119 else if (roc_model_is_cn98xx())
120 return (npc->mcam_entries - NPC_MCAME_RESVD_98XX - 1);
122 return (npc->mcam_entries - NPC_MCAME_RESVD_9XXX - 1);
126 npc_mcam_tot_entries(void)
128 /* FIXME: change to reading in AF from NPC_AF_CONST1/2
129 * MCAM_BANK_DEPTH(_EXT) * MCAM_BANKS
131 if (roc_model_is_cn10k() || roc_model_is_cn98xx())
132 return 16 * 1024; /* MCAM_BANKS = 4, BANK_DEPTH_EXT = 4096 */
134 return 4 * 1024; /* MCAM_BANKS = 4, BANK_DEPTH_EXT = 1024 */
138 roc_npc_profile_name_get(struct roc_npc *roc_npc)
140 struct npc *npc = roc_npc_to_npc_priv(roc_npc);
142 return (char *)npc->profile_name;
146 roc_npc_init(struct roc_npc *roc_npc)
148 uint8_t *mem = NULL, *nix_mem = NULL, *npc_mem = NULL;
149 struct nix *nix = roc_nix_to_nix_priv(roc_npc->roc_nix);
150 struct npc *npc = roc_npc_to_npc_priv(roc_npc);
155 PLT_STATIC_ASSERT(sizeof(struct npc) <= ROC_NPC_MEM_SZ);
157 memset(npc, 0, sizeof(*npc));
158 npc->mbox = (&nix->dev)->mbox;
159 roc_npc->channel = nix->rx_chan_base;
160 roc_npc->pf_func = (&nix->dev)->pf_func;
161 npc->channel = roc_npc->channel;
162 npc->pf_func = roc_npc->pf_func;
163 npc->flow_max_priority = roc_npc->flow_max_priority;
164 npc->switch_header_type = roc_npc->switch_header_type;
165 npc->flow_prealloc_size = roc_npc->flow_prealloc_size;
167 if (npc->mbox == NULL)
168 return NPC_ERR_PARAM;
170 rc = npc_mcam_fetch_kex_cfg(npc);
174 roc_npc->kex_capability = npc_get_kex_capability(npc);
175 roc_npc->rx_parse_nibble = npc->keyx_supp_nmask[NPC_MCAM_RX];
177 npc->mcam_entries = npc_mcam_tot_entries() >> npc->keyw[NPC_MCAM_RX];
179 /* Free, free_rev, live and live_rev entries */
180 bmap_sz = plt_bitmap_get_memory_footprint(npc->mcam_entries);
181 mem = plt_zmalloc(4 * bmap_sz * npc->flow_max_priority, 0);
183 plt_err("Bmap alloc failed");
188 sz = npc->flow_max_priority * sizeof(struct npc_flow_list);
189 npc->flow_list = plt_zmalloc(sz, 0);
190 if (npc->flow_list == NULL) {
191 plt_err("flow_list alloc failed");
196 sz = npc->flow_max_priority * sizeof(struct npc_prio_flow_list_head);
197 npc->prio_flow_list = plt_zmalloc(sz, 0);
198 if (npc->prio_flow_list == NULL) {
199 plt_err("prio_flow_list alloc failed");
205 for (idx = 0; idx < npc->flow_max_priority; idx++) {
206 TAILQ_INIT(&npc->flow_list[idx]);
207 TAILQ_INIT(&npc->prio_flow_list[idx]);
210 npc->rss_grps = NPC_RSS_GRPS;
212 bmap_sz = plt_bitmap_get_memory_footprint(npc->rss_grps);
213 nix_mem = plt_zmalloc(bmap_sz, 0);
214 if (nix_mem == NULL) {
215 plt_err("Bmap alloc failed");
220 npc->rss_grp_entries = plt_bitmap_init(npc->rss_grps, nix_mem, bmap_sz);
222 if (!npc->rss_grp_entries) {
223 plt_err("bitmap init failed");
228 /* Group 0 will be used for RSS,
229 * 1 -7 will be used for npc_flow RSS action
231 plt_bitmap_set(npc->rss_grp_entries, 0);
237 plt_free(npc->flow_list);
238 if (npc->prio_flow_list)
239 plt_free(npc->prio_flow_list);
246 roc_npc_fini(struct roc_npc *roc_npc)
248 struct npc *npc = roc_npc_to_npc_priv(roc_npc);
251 rc = npc_flow_free_all_resources(npc);
253 plt_err("Error when deleting NPC MCAM entries, counters");
257 if (npc->flow_list) {
258 plt_free(npc->flow_list);
259 npc->flow_list = NULL;
262 if (npc->prio_flow_list) {
263 plt_free(npc->prio_flow_list);
264 npc->prio_flow_list = NULL;
271 roc_npc_validate_portid_action(struct roc_npc *roc_npc_src,
272 struct roc_npc *roc_npc_dst)
274 struct roc_nix *roc_nix_src = roc_npc_src->roc_nix;
275 struct nix *nix_src = roc_nix_to_nix_priv(roc_nix_src);
276 struct roc_nix *roc_nix_dst = roc_npc_dst->roc_nix;
277 struct nix *nix_dst = roc_nix_to_nix_priv(roc_nix_dst);
279 if (roc_nix_is_pf(roc_npc_dst->roc_nix)) {
280 plt_err("Output port should be VF");
284 if (nix_dst->dev.vf >= nix_src->dev.maxvf) {
285 plt_err("Invalid VF for output port");
289 if (nix_src->dev.pf != nix_dst->dev.pf) {
290 plt_err("Output port should be VF of ingress PF");
297 npc_parse_msns_action(struct roc_npc *roc_npc, const struct roc_npc_action *act,
298 struct roc_npc_flow *flow, uint8_t *has_msns_action)
300 const struct roc_npc_sec_action *sec_action;
303 union nix_rx_vtag_action_u act;
306 if (roc_npc->roc_nix->custom_sa_action == 0 ||
307 roc_model_is_cn9k() == 1 || act->conf == NULL)
310 *has_msns_action = true;
311 sec_action = act->conf;
314 vtag_act.act.sa_xor = sec_action->sa_xor;
315 vtag_act.act.sa_hi = sec_action->sa_hi;
316 vtag_act.act.sa_lo = sec_action->sa_lo;
318 switch (sec_action->alg) {
319 case ROC_NPC_SEC_ACTION_ALG0:
321 case ROC_NPC_SEC_ACTION_ALG1:
322 vtag_act.act.vtag1_valid = false;
323 vtag_act.act.vtag1_lid = ROC_NPC_SEC_ACTION_ALG1;
325 case ROC_NPC_SEC_ACTION_ALG2:
326 vtag_act.act.vtag1_valid = false;
327 vtag_act.act.vtag1_lid = ROC_NPC_SEC_ACTION_ALG2;
333 flow->vtag_action = vtag_act.reg;
339 npc_parse_actions(struct roc_npc *roc_npc, const struct roc_npc_attr *attr,
340 const struct roc_npc_action actions[],
341 struct roc_npc_flow *flow)
343 const struct roc_npc_action_port_id *act_portid;
344 struct npc *npc = roc_npc_to_npc_priv(roc_npc);
345 const struct roc_npc_action_mark *act_mark;
346 const struct roc_npc_action_meter *act_mtr;
347 const struct roc_npc_action_queue *act_q;
348 const struct roc_npc_action_vf *vf_act;
349 bool vlan_insert_action = false;
350 uint8_t has_msns_act = 0;
351 int sel_act, req_act = 0;
352 uint16_t pf_func, vf_id;
353 struct roc_nix *roc_nix;
359 /* Initialize actions */
360 flow->ctr_id = NPC_COUNTER_NONE;
361 flow->mtr_id = ROC_NIX_MTR_ID_INVALID;
362 pf_func = npc->pf_func;
364 for (; actions->type != ROC_NPC_ACTION_TYPE_END; actions++) {
365 switch (actions->type) {
366 case ROC_NPC_ACTION_TYPE_VOID:
368 case ROC_NPC_ACTION_TYPE_MARK:
369 act_mark = (const struct roc_npc_action_mark *)
371 if (act_mark->id > (NPC_FLOW_FLAG_VAL - 2)) {
372 plt_err("mark value must be < 0xfffe");
375 mark = act_mark->id + 1;
376 req_act |= ROC_NPC_ACTION_TYPE_MARK;
379 case ROC_NPC_ACTION_TYPE_FLAG:
380 mark = NPC_FLOW_FLAG_VAL;
381 req_act |= ROC_NPC_ACTION_TYPE_FLAG;
384 case ROC_NPC_ACTION_TYPE_COUNT:
385 /* Indicates, need a counter */
387 req_act |= ROC_NPC_ACTION_TYPE_COUNT;
390 case ROC_NPC_ACTION_TYPE_DROP:
391 req_act |= ROC_NPC_ACTION_TYPE_DROP;
394 case ROC_NPC_ACTION_TYPE_PF:
395 req_act |= ROC_NPC_ACTION_TYPE_PF;
399 case ROC_NPC_ACTION_TYPE_VF:
401 (const struct roc_npc_action_vf *)actions->conf;
402 req_act |= ROC_NPC_ACTION_TYPE_VF;
403 vf_id = vf_act->id & RVU_PFVF_FUNC_MASK;
405 pf_func = (pf_func | (vf_id + 1));
408 case ROC_NPC_ACTION_TYPE_PORT_ID:
409 act_portid = (const struct roc_npc_action_port_id *)
412 pf_func = (pf_func | (act_portid->id + 1));
413 req_act |= ROC_NPC_ACTION_TYPE_VF;
416 case ROC_NPC_ACTION_TYPE_QUEUE:
417 act_q = (const struct roc_npc_action_queue *)
420 req_act |= ROC_NPC_ACTION_TYPE_QUEUE;
423 case ROC_NPC_ACTION_TYPE_RSS:
424 req_act |= ROC_NPC_ACTION_TYPE_RSS;
427 case ROC_NPC_ACTION_TYPE_SEC:
428 /* Assumes user has already configured security
429 * session for this flow. Associated conf is
430 * opaque. When security is implemented,
431 * we need to verify that for specified security
434 * NPC_SECURITY_ACTION_TYPE_INLINE_PROTOCOL &&
435 * session_protocol ==
436 * NPC_SECURITY_PROTOCOL_IPSEC
438 req_act |= ROC_NPC_ACTION_TYPE_SEC;
440 roc_nix = roc_npc->roc_nix;
442 /* Special processing when with inline device */
443 if (roc_nix_inb_is_with_inl_dev(roc_nix) &&
444 roc_nix_inl_dev_is_probed()) {
445 struct roc_nix_rq *inl_rq;
447 inl_rq = roc_nix_inl_dev_rq(roc_nix);
449 errcode = NPC_ERR_INTERNAL;
453 pf_func = nix_inl_dev_pffunc_get();
455 rc = npc_parse_msns_action(roc_npc, actions, flow,
458 errcode = NPC_ERR_ACTION_NOTSUP;
462 case ROC_NPC_ACTION_TYPE_VLAN_STRIP:
463 req_act |= ROC_NPC_ACTION_TYPE_VLAN_STRIP;
465 case ROC_NPC_ACTION_TYPE_VLAN_INSERT:
466 req_act |= ROC_NPC_ACTION_TYPE_VLAN_INSERT;
468 case ROC_NPC_ACTION_TYPE_VLAN_ETHTYPE_INSERT:
469 req_act |= ROC_NPC_ACTION_TYPE_VLAN_ETHTYPE_INSERT;
471 case ROC_NPC_ACTION_TYPE_VLAN_PCP_INSERT:
472 req_act |= ROC_NPC_ACTION_TYPE_VLAN_PCP_INSERT;
474 case ROC_NPC_ACTION_TYPE_METER:
475 act_mtr = (const struct roc_npc_action_meter *)
477 flow->mtr_id = act_mtr->mtr_id;
478 req_act |= ROC_NPC_ACTION_TYPE_METER;
481 errcode = NPC_ERR_ACTION_NOTSUP;
486 if (req_act & (ROC_NPC_ACTION_TYPE_VLAN_INSERT |
487 ROC_NPC_ACTION_TYPE_VLAN_ETHTYPE_INSERT |
488 ROC_NPC_ACTION_TYPE_VLAN_PCP_INSERT))
489 vlan_insert_action = true;
491 if ((req_act & (ROC_NPC_ACTION_TYPE_VLAN_INSERT |
492 ROC_NPC_ACTION_TYPE_VLAN_ETHTYPE_INSERT |
493 ROC_NPC_ACTION_TYPE_VLAN_PCP_INSERT)) ==
494 ROC_NPC_ACTION_TYPE_VLAN_PCP_INSERT) {
495 plt_err("PCP insert action can't be supported alone");
496 errcode = NPC_ERR_ACTION_NOTSUP;
500 if (has_msns_act && (vlan_insert_action ||
501 (req_act & ROC_NPC_ACTION_TYPE_VLAN_STRIP))) {
502 plt_err("Both MSNS and VLAN insert/strip action can't be supported"
504 errcode = NPC_ERR_ACTION_NOTSUP;
508 /* Both STRIP and INSERT actions are not supported */
509 if (vlan_insert_action && (req_act & ROC_NPC_ACTION_TYPE_VLAN_STRIP)) {
510 errcode = NPC_ERR_ACTION_NOTSUP;
514 /* Check if actions specified are compatible */
516 if (req_act & ROC_NPC_ACTION_TYPE_VLAN_STRIP) {
517 plt_err("VLAN pop action is not supported on Egress");
518 errcode = NPC_ERR_ACTION_NOTSUP;
523 ~(ROC_NPC_ACTION_TYPE_VLAN_INSERT |
524 ROC_NPC_ACTION_TYPE_VLAN_ETHTYPE_INSERT |
525 ROC_NPC_ACTION_TYPE_VLAN_PCP_INSERT |
526 ROC_NPC_ACTION_TYPE_DROP | ROC_NPC_ACTION_TYPE_COUNT)) {
527 plt_err("Only VLAN insert, drop, count supported on Egress");
528 errcode = NPC_ERR_ACTION_NOTSUP;
532 if (vlan_insert_action &&
533 (req_act & ROC_NPC_ACTION_TYPE_DROP)) {
534 plt_err("Both VLAN insert and drop actions cannot be supported");
535 errcode = NPC_ERR_ACTION_NOTSUP;
539 if (req_act & ROC_NPC_ACTION_TYPE_DROP) {
540 flow->npc_action = NIX_TX_ACTIONOP_DROP;
541 } else if ((req_act & ROC_NPC_ACTION_TYPE_COUNT) ||
542 vlan_insert_action) {
543 flow->npc_action = NIX_TX_ACTIONOP_UCAST_DEFAULT;
545 plt_err("Unsupported action for egress");
546 errcode = NPC_ERR_ACTION_NOTSUP;
552 if (vlan_insert_action) {
553 errcode = NPC_ERR_ACTION_NOTSUP;
558 /* We have already verified the attr, this is ingress.
559 * - Exactly one terminating action is supported
560 * - Exactly one of MARK or FLAG is supported
561 * - If terminating action is DROP, only count is valid.
563 sel_act = req_act & NPC_ACTION_TERM;
564 if ((sel_act & (sel_act - 1)) != 0) {
565 errcode = NPC_ERR_ACTION_NOTSUP;
569 if (req_act & ROC_NPC_ACTION_TYPE_DROP) {
570 sel_act = req_act & ~ROC_NPC_ACTION_TYPE_COUNT;
571 if ((sel_act & (sel_act - 1)) != 0) {
572 errcode = NPC_ERR_ACTION_NOTSUP;
577 if ((req_act & (ROC_NPC_ACTION_TYPE_FLAG | ROC_NPC_ACTION_TYPE_MARK)) ==
578 (ROC_NPC_ACTION_TYPE_FLAG | ROC_NPC_ACTION_TYPE_MARK)) {
579 errcode = NPC_ERR_ACTION_NOTSUP;
583 if (req_act & ROC_NPC_ACTION_TYPE_VLAN_STRIP)
584 npc->vtag_strip_actions++;
586 /* Set NIX_RX_ACTIONOP */
587 if (req_act == ROC_NPC_ACTION_TYPE_VLAN_STRIP) {
588 /* Only VLAN action is provided */
589 flow->npc_action = NIX_RX_ACTIONOP_UCAST;
591 (ROC_NPC_ACTION_TYPE_PF | ROC_NPC_ACTION_TYPE_VF)) {
592 flow->npc_action = NIX_RX_ACTIONOP_UCAST;
593 if (req_act & ROC_NPC_ACTION_TYPE_QUEUE)
594 flow->npc_action |= (uint64_t)rq << 20;
595 } else if (req_act & ROC_NPC_ACTION_TYPE_DROP) {
596 flow->npc_action = NIX_RX_ACTIONOP_DROP;
597 } else if (req_act & ROC_NPC_ACTION_TYPE_QUEUE) {
598 flow->npc_action = NIX_RX_ACTIONOP_UCAST;
599 flow->npc_action |= (uint64_t)rq << 20;
600 } else if (req_act & ROC_NPC_ACTION_TYPE_RSS) {
601 flow->npc_action = NIX_RX_ACTIONOP_UCAST;
602 } else if (req_act & ROC_NPC_ACTION_TYPE_SEC) {
603 flow->npc_action = NIX_RX_ACTIONOP_UCAST_IPSEC;
604 flow->npc_action |= (uint64_t)rq << 20;
606 (ROC_NPC_ACTION_TYPE_FLAG | ROC_NPC_ACTION_TYPE_MARK)) {
607 flow->npc_action = NIX_RX_ACTIONOP_UCAST;
608 } else if (req_act & ROC_NPC_ACTION_TYPE_COUNT) {
609 /* Keep ROC_NPC_ACTION_TYPE_COUNT_ACT always at the end
610 * This is default action, when user specify only
613 flow->npc_action = NIX_RX_ACTIONOP_UCAST;
615 /* Should never reach here */
616 errcode = NPC_ERR_ACTION_NOTSUP;
621 flow->npc_action |= (uint64_t)mark << 40;
624 /* Ideally AF must ensure that correct pf_func is set */
625 flow->npc_action |= (uint64_t)pf_func << 4;
633 typedef int (*npc_parse_stage_func_t)(struct npc_parse_state *pst);
636 npc_parse_pattern(struct npc *npc, const struct roc_npc_item_info pattern[],
637 struct roc_npc_flow *flow, struct npc_parse_state *pst)
639 npc_parse_stage_func_t parse_stage_funcs[] = {
640 npc_parse_meta_items, npc_parse_mark_item, npc_parse_pre_l2,
641 npc_parse_cpt_hdr, npc_parse_higig2_hdr, npc_parse_la,
642 npc_parse_lb, npc_parse_lc, npc_parse_ld,
643 npc_parse_le, npc_parse_lf, npc_parse_lg,
651 return NPC_ERR_PARAM;
653 memset(pst, 0, sizeof(*pst));
657 /* Use integral byte offset */
658 key_offset = pst->npc->keyx_len[flow->nix_intf];
659 key_offset = (key_offset + 7) / 8;
661 /* Location where LDATA would begin */
662 pst->mcam_data = (uint8_t *)flow->mcam_data;
663 pst->mcam_mask = (uint8_t *)flow->mcam_mask;
665 while (pattern->type != ROC_NPC_ITEM_TYPE_END &&
666 layer < PLT_DIM(parse_stage_funcs)) {
667 /* Skip place-holders */
668 pattern = npc_parse_skip_void_and_any_items(pattern);
670 pst->pattern = pattern;
671 rc = parse_stage_funcs[layer](pst);
678 * Parse stage function sets pst->pattern to
679 * 1 past the last item it consumed.
681 pattern = pst->pattern;
687 /* Skip trailing place-holders */
688 pattern = npc_parse_skip_void_and_any_items(pattern);
690 /* Are there more items than what we can handle? */
691 if (pattern->type != ROC_NPC_ITEM_TYPE_END)
692 return NPC_ERR_PATTERN_NOTSUP;
698 npc_parse_attr(struct npc *npc, const struct roc_npc_attr *attr,
699 struct roc_npc_flow *flow)
702 return NPC_ERR_PARAM;
703 else if (attr->priority >= npc->flow_max_priority)
704 return NPC_ERR_PARAM;
705 else if ((!attr->egress && !attr->ingress) ||
706 (attr->egress && attr->ingress))
707 return NPC_ERR_PARAM;
710 flow->nix_intf = ROC_NPC_INTF_RX;
712 flow->nix_intf = ROC_NPC_INTF_TX;
714 flow->priority = attr->priority;
719 npc_parse_rule(struct roc_npc *roc_npc, const struct roc_npc_attr *attr,
720 const struct roc_npc_item_info pattern[],
721 const struct roc_npc_action actions[], struct roc_npc_flow *flow,
722 struct npc_parse_state *pst)
724 struct npc *npc = roc_npc_to_npc_priv(roc_npc);
728 err = npc_parse_attr(npc, attr, flow);
733 err = npc_parse_pattern(npc, pattern, flow, pst);
738 err = npc_parse_actions(roc_npc, attr, actions, flow);
745 roc_npc_flow_parse(struct roc_npc *roc_npc, const struct roc_npc_attr *attr,
746 const struct roc_npc_item_info pattern[],
747 const struct roc_npc_action actions[],
748 struct roc_npc_flow *flow)
750 struct npc *npc = roc_npc_to_npc_priv(roc_npc);
751 struct npc_parse_state parse_state = {0};
754 rc = npc_parse_rule(roc_npc, attr, pattern, actions, flow,
759 parse_state.is_vf = !roc_nix_is_pf(roc_npc->roc_nix);
761 return npc_program_mcam(npc, &parse_state, 0);
765 npc_rss_free_grp_get(struct npc *npc, uint32_t *pos)
767 struct plt_bitmap *bmap = npc->rss_grp_entries;
769 for (*pos = 0; *pos < ROC_NIX_RSS_GRPS; ++*pos) {
770 if (!plt_bitmap_get(bmap, *pos))
773 return *pos < ROC_NIX_RSS_GRPS ? 0 : -1;
777 npc_rss_action_configure(struct roc_npc *roc_npc,
778 const struct roc_npc_action_rss *rss, uint8_t *alg_idx,
779 uint32_t *rss_grp, uint32_t mcam_id)
781 struct npc *npc = roc_npc_to_npc_priv(roc_npc);
782 struct roc_nix *roc_nix = roc_npc->roc_nix;
783 struct nix *nix = roc_nix_to_nix_priv(roc_nix);
784 uint32_t flowkey_cfg, rss_grp_idx, i, rem;
785 uint8_t key[ROC_NIX_RSS_KEY_LEN];
786 const uint8_t *key_ptr;
787 uint8_t flowkey_algx;
791 rc = npc_rss_free_grp_get(npc, &rss_grp_idx);
792 /* RSS group :0 is not usable for flow rss action */
793 if (rc < 0 || rss_grp_idx == 0)
796 for (i = 0; i < rss->queue_num; i++) {
797 if (rss->queue[i] >= nix->nb_rx_queues) {
798 plt_err("queue id > max number of queues");
803 *rss_grp = rss_grp_idx;
805 if (rss->key == NULL) {
806 roc_nix_rss_key_default_fill(roc_nix, key);
812 roc_nix_rss_key_set(roc_nix, key_ptr);
814 /* If queue count passed in the rss action is less than
815 * HW configured reta size, replicate rss action reta
816 * across HW reta table.
818 reta = nix->reta[rss_grp_idx];
820 if (rss->queue_num > nix->reta_sz) {
821 plt_err("too many queues for RSS context");
825 for (i = 0; i < (nix->reta_sz / rss->queue_num); i++)
826 memcpy(reta + i * rss->queue_num, rss->queue,
827 sizeof(uint16_t) * rss->queue_num);
829 rem = nix->reta_sz % rss->queue_num;
831 memcpy(&reta[i * rss->queue_num], rss->queue,
832 rem * sizeof(uint16_t));
834 rc = roc_nix_rss_reta_set(roc_nix, *rss_grp, reta);
836 plt_err("Failed to init rss table rc = %d", rc);
840 flowkey_cfg = roc_npc->flowkey_cfg_state;
842 rc = roc_nix_rss_flowkey_set(roc_nix, &flowkey_algx, flowkey_cfg,
845 plt_err("Failed to set rss hash function rc = %d", rc);
849 *alg_idx = flowkey_algx;
851 plt_bitmap_set(npc->rss_grp_entries, *rss_grp);
857 npc_rss_action_program(struct roc_npc *roc_npc,
858 const struct roc_npc_action actions[],
859 struct roc_npc_flow *flow)
861 const struct roc_npc_action_rss *rss;
866 for (; actions->type != ROC_NPC_ACTION_TYPE_END; actions++) {
867 if (actions->type == ROC_NPC_ACTION_TYPE_RSS) {
868 rss = (const struct roc_npc_action_rss *)actions->conf;
869 rc = npc_rss_action_configure(roc_npc, rss, &alg_idx,
870 &rss_grp, flow->mcam_id);
874 flow->npc_action &= (~(0xfULL));
875 flow->npc_action |= NIX_RX_ACTIONOP_RSS;
877 ((uint64_t)(alg_idx & NPC_RSS_ACT_ALG_MASK)
878 << NPC_RSS_ACT_ALG_OFFSET) |
879 ((uint64_t)(rss_grp & NPC_RSS_ACT_GRP_MASK)
880 << NPC_RSS_ACT_GRP_OFFSET);
888 npc_vtag_cfg_delete(struct roc_npc *roc_npc, struct roc_npc_flow *flow)
890 struct roc_nix *roc_nix = roc_npc->roc_nix;
891 struct nix_vtag_config *vtag_cfg;
892 struct nix_vtag_config_rsp *rsp;
899 struct nix_tx_vtag_action_s act;
902 nix = roc_nix_to_nix_priv(roc_nix);
903 mbox = (&nix->dev)->mbox;
905 tx_vtag_action.reg = flow->vtag_action;
906 vtag_cfg = mbox_alloc_msg_nix_vtag_cfg(mbox);
908 if (vtag_cfg == NULL)
911 vtag_cfg->cfg_type = VTAG_TX;
912 vtag_cfg->vtag_size = NIX_VTAGSIZE_T4;
913 vtag_cfg->tx.vtag0_idx = tx_vtag_action.act.vtag0_def;
914 vtag_cfg->tx.free_vtag0 = true;
916 if (flow->vtag_insert_count == 2) {
917 vtag_cfg->tx.vtag1_idx = tx_vtag_action.act.vtag1_def;
918 vtag_cfg->tx.free_vtag1 = true;
921 rc = mbox_process_msg(mbox, (void *)&rsp);
929 npc_vtag_insert_action_parse(const struct roc_npc_action actions[],
930 struct roc_npc_flow *flow,
931 struct npc_action_vtag_info *vlan_info,
934 bool vlan_id_found = false, ethtype_found = false, pcp_found = false;
939 /* This function parses parameters of one VLAN. When a parameter is
940 * found repeated, it treats it as the end of first VLAN's parameters
941 * and returns. The caller calls again to parse the parameters of the
945 for (; count < NPC_ACTION_MAX_VLAN_PARAMS; count++, actions++) {
946 if (actions->type == ROC_NPC_ACTION_TYPE_VLAN_INSERT) {
950 const struct roc_npc_action_of_set_vlan_vid *vtag =
951 (const struct roc_npc_action_of_set_vlan_vid *)
954 vlan_info->vlan_id = plt_be_to_cpu_16(vtag->vlan_vid);
956 if (vlan_info->vlan_id > 0xfff) {
957 plt_err("Invalid vlan_id for set vlan action");
961 flow->vtag_insert_enabled = true;
963 vlan_id_found = true;
964 } else if (actions->type ==
965 ROC_NPC_ACTION_TYPE_VLAN_ETHTYPE_INSERT) {
969 const struct roc_npc_action_of_push_vlan *ethtype =
970 (const struct roc_npc_action_of_push_vlan *)
972 vlan_info->vlan_ethtype =
973 plt_be_to_cpu_16(ethtype->ethertype);
974 if (vlan_info->vlan_ethtype != ROC_ETHER_TYPE_VLAN &&
975 vlan_info->vlan_ethtype != ROC_ETHER_TYPE_QINQ) {
976 plt_err("Invalid ethtype specified for push"
980 flow->vtag_insert_enabled = true;
982 ethtype_found = true;
983 } else if (actions->type ==
984 ROC_NPC_ACTION_TYPE_VLAN_PCP_INSERT) {
987 const struct roc_npc_action_of_set_vlan_pcp *pcp =
988 (const struct roc_npc_action_of_set_vlan_pcp *)
990 vlan_info->vlan_pcp = pcp->vlan_pcp;
991 if (vlan_info->vlan_pcp > 0x7) {
992 plt_err("Invalid PCP value for pcp action");
995 flow->vtag_insert_enabled = true;
1007 npc_vtag_insert_action_configure(struct mbox *mbox, struct roc_npc_flow *flow,
1008 struct npc_action_vtag_info *vlan_info)
1010 struct nix_vtag_config *vtag_cfg;
1011 struct nix_vtag_config_rsp *rsp;
1016 struct nix_tx_vtag_action_s act;
1019 vtag_cfg = mbox_alloc_msg_nix_vtag_cfg(mbox);
1021 if (vtag_cfg == NULL)
1024 vtag_cfg->cfg_type = VTAG_TX;
1025 vtag_cfg->vtag_size = NIX_VTAGSIZE_T4;
1026 vtag_cfg->tx.vtag0 =
1027 (((uint32_t)vlan_info[0].vlan_ethtype << 16) |
1028 (vlan_info[0].vlan_pcp << 13) | vlan_info[0].vlan_id);
1030 vtag_cfg->tx.cfg_vtag0 = 1;
1032 if (flow->vtag_insert_count == 2) {
1033 vtag_cfg->tx.vtag1 =
1034 (((uint32_t)vlan_info[1].vlan_ethtype << 16) |
1035 (vlan_info[1].vlan_pcp << 13) | vlan_info[1].vlan_id);
1037 vtag_cfg->tx.cfg_vtag1 = 1;
1040 rc = mbox_process_msg(mbox, (void *)&rsp);
1044 if (rsp->vtag0_idx < 0 ||
1045 ((flow->vtag_insert_count == 2) && (rsp->vtag1_idx < 0))) {
1046 plt_err("Failed to config TX VTAG action");
1050 tx_vtag_action.reg = 0;
1051 tx_vtag_action.act.vtag0_def = rsp->vtag0_idx;
1052 tx_vtag_action.act.vtag0_lid = NPC_LID_LA;
1053 tx_vtag_action.act.vtag0_op = NIX_TX_VTAGOP_INSERT;
1054 tx_vtag_action.act.vtag0_relptr = NIX_TX_VTAGACTION_VTAG0_RELPTR;
1056 if (flow->vtag_insert_count == 2) {
1057 tx_vtag_action.act.vtag1_def = rsp->vtag1_idx;
1058 tx_vtag_action.act.vtag1_lid = NPC_LID_LA;
1059 tx_vtag_action.act.vtag1_op = NIX_TX_VTAGOP_INSERT;
1060 /* NIX_TX_VTAG_ACTION_S
1061 * If Vtag 0 is inserted, hardware adjusts the Vtag 1 byte
1062 * offset accordingly. Thus, if the two offsets are equal in
1063 * the structure, hardware inserts Vtag 1 immediately after
1064 * Vtag 0 in the packet.
1066 tx_vtag_action.act.vtag1_relptr =
1067 NIX_TX_VTAGACTION_VTAG0_RELPTR;
1070 flow->vtag_action = tx_vtag_action.reg;
1076 npc_vtag_strip_action_configure(struct mbox *mbox,
1077 const struct roc_npc_action actions[],
1078 struct roc_npc_flow *flow, int *strip_cnt)
1080 struct nix_vtag_config *vtag_cfg;
1081 uint64_t rx_vtag_action = 0;
1082 int count = 0, rc = 0;
1086 for (; count < NPC_ACTION_MAX_VLANS_STRIPPED; count++, actions++) {
1087 if (actions->type == ROC_NPC_ACTION_TYPE_VLAN_STRIP)
1091 vtag_cfg = mbox_alloc_msg_nix_vtag_cfg(mbox);
1093 if (vtag_cfg == NULL)
1096 vtag_cfg->cfg_type = VTAG_RX;
1097 vtag_cfg->rx.strip_vtag = 1;
1098 /* Always capture */
1099 vtag_cfg->rx.capture_vtag = 1;
1100 vtag_cfg->vtag_size = NIX_VTAGSIZE_T4;
1101 vtag_cfg->rx.vtag_type = 0;
1103 rc = mbox_process(mbox);
1107 rx_vtag_action |= (NIX_RX_VTAGACTION_VTAG_VALID << 15);
1108 rx_vtag_action |= ((uint64_t)NPC_LID_LB << 8);
1109 rx_vtag_action |= NIX_RX_VTAGACTION_VTAG0_RELPTR;
1111 if (*strip_cnt == 2) {
1112 rx_vtag_action |= (NIX_RX_VTAGACTION_VTAG_VALID << 47);
1113 rx_vtag_action |= ((uint64_t)NPC_LID_LB << 40);
1114 rx_vtag_action |= NIX_RX_VTAGACTION_VTAG0_RELPTR << 32;
1116 flow->vtag_action = rx_vtag_action;
1122 npc_vtag_action_program(struct roc_npc *roc_npc,
1123 const struct roc_npc_action actions[],
1124 struct roc_npc_flow *flow)
1126 bool vlan_strip_parsed = false, vlan_insert_parsed = false;
1127 const struct roc_npc_action *insert_actions;
1128 struct roc_nix *roc_nix = roc_npc->roc_nix;
1129 struct npc_action_vtag_info vlan_info[2];
1130 int parsed_cnt = 0, strip_cnt = 0;
1131 int tot_vlan_params = 0;
1136 nix = roc_nix_to_nix_priv(roc_nix);
1137 mbox = (&nix->dev)->mbox;
1139 memset(vlan_info, 0, sizeof(vlan_info));
1141 flow->vtag_insert_enabled = false;
1143 for (; actions->type != ROC_NPC_ACTION_TYPE_END; actions++) {
1144 if (actions->type == ROC_NPC_ACTION_TYPE_VLAN_STRIP) {
1145 if (vlan_strip_parsed) {
1146 plt_err("Incorrect VLAN strip actions");
1149 rc = npc_vtag_strip_action_configure(mbox, actions,
1157 vlan_strip_parsed = true;
1158 } else if (actions->type == ROC_NPC_ACTION_TYPE_VLAN_INSERT ||
1160 ROC_NPC_ACTION_TYPE_VLAN_ETHTYPE_INSERT ||
1162 ROC_NPC_ACTION_TYPE_VLAN_PCP_INSERT) {
1163 if (vlan_insert_parsed) {
1164 plt_err("Incorrect VLAN insert actions");
1168 insert_actions = actions;
1170 for (i = 0; i < 2; i++) {
1171 rc = npc_vtag_insert_action_parse(
1172 insert_actions, flow, &vlan_info[i],
1179 insert_actions += parsed_cnt;
1180 tot_vlan_params += parsed_cnt;
1181 flow->vtag_insert_count++;
1184 actions += tot_vlan_params - 1;
1185 vlan_insert_parsed = true;
1189 if (flow->vtag_insert_enabled) {
1190 rc = npc_vtag_insert_action_configure(mbox, flow, vlan_info);
1198 struct roc_npc_flow *
1199 roc_npc_flow_create(struct roc_npc *roc_npc, const struct roc_npc_attr *attr,
1200 const struct roc_npc_item_info pattern[],
1201 const struct roc_npc_action actions[], int *errcode)
1203 struct npc *npc = roc_npc_to_npc_priv(roc_npc);
1204 struct roc_npc_flow *flow, *flow_iter;
1205 struct npc_parse_state parse_state;
1206 struct npc_flow_list *list;
1209 npc->channel = roc_npc->channel;
1210 npc->is_sdp_link = roc_nix_is_sdp(roc_npc->roc_nix);
1211 if (npc->is_sdp_link) {
1212 if (roc_npc->is_sdp_mask_set) {
1213 npc->sdp_channel = roc_npc->sdp_channel;
1214 npc->sdp_channel_mask = roc_npc->sdp_channel_mask;
1216 /* By default set the channel and mask to cover
1217 * the whole SDP channel range.
1219 npc->sdp_channel = (uint16_t)NIX_CHAN_SDP_CH_START;
1220 npc->sdp_channel_mask = (uint16_t)NIX_CHAN_SDP_CH_START;
1224 flow = plt_zmalloc(sizeof(*flow), 0);
1226 *errcode = NPC_ERR_NO_MEM;
1229 memset(flow, 0, sizeof(*flow));
1231 rc = npc_parse_rule(roc_npc, attr, pattern, actions, flow,
1238 rc = npc_vtag_action_program(roc_npc, actions, flow);
1244 parse_state.is_vf = !roc_nix_is_pf(roc_npc->roc_nix);
1246 rc = npc_program_mcam(npc, &parse_state, 1);
1252 rc = npc_rss_action_program(roc_npc, actions, flow);
1255 goto set_rss_failed;
1258 list = &npc->flow_list[flow->priority];
1259 /* List in ascending order of mcam entries */
1260 TAILQ_FOREACH(flow_iter, list, next) {
1261 if (flow_iter->mcam_id > flow->mcam_id) {
1262 TAILQ_INSERT_BEFORE(flow_iter, flow, next);
1267 TAILQ_INSERT_TAIL(list, flow, next);
1271 rc = npc_mcam_free_entry(npc, flow->mcam_id);
1283 npc_rss_group_free(struct npc *npc, struct roc_npc_flow *flow)
1287 if ((flow->npc_action & 0xF) == NIX_RX_ACTIONOP_RSS) {
1288 rss_grp = (flow->npc_action >> NPC_RSS_ACT_GRP_OFFSET) &
1289 NPC_RSS_ACT_GRP_MASK;
1290 if (rss_grp == 0 || rss_grp >= npc->rss_grps)
1293 plt_bitmap_clear(npc->rss_grp_entries, rss_grp);
1300 roc_npc_flow_destroy(struct roc_npc *roc_npc, struct roc_npc_flow *flow)
1302 struct npc *npc = roc_npc_to_npc_priv(roc_npc);
1305 rc = npc_rss_group_free(npc, flow);
1307 plt_err("Failed to free rss action rc = %d", rc);
1311 if (flow->vtag_insert_enabled) {
1312 rc = npc_vtag_cfg_delete(roc_npc, flow);
1317 if (flow->ctr_id != NPC_COUNTER_NONE) {
1318 rc = roc_npc_mcam_clear_counter(roc_npc, flow->ctr_id);
1322 rc = npc_mcam_free_counter(npc, flow->ctr_id);
1327 rc = npc_mcam_free_entry(npc, flow->mcam_id);
1331 TAILQ_REMOVE(&npc->flow_list[flow->priority], flow, next);
1333 npc_delete_prio_list_entry(npc, flow);
1340 roc_npc_flow_dump(FILE *file, struct roc_npc *roc_npc)
1342 struct npc *npc = roc_npc_to_npc_priv(roc_npc);
1343 struct roc_npc_flow *flow_iter;
1344 struct npc_flow_list *list;
1345 uint32_t max_prio, i;
1347 max_prio = npc->flow_max_priority;
1349 for (i = 0; i < max_prio; i++) {
1350 list = &npc->flow_list[i];
1352 /* List in ascending order of mcam entries */
1353 TAILQ_FOREACH(flow_iter, list, next) {
1354 roc_npc_flow_mcam_dump(file, roc_npc, flow_iter);
1360 roc_npc_mcam_merge_base_steering_rule(struct roc_npc *roc_npc,
1361 struct roc_npc_flow *flow)
1363 struct npc_mcam_read_base_rule_rsp *base_rule_rsp;
1364 struct npc *npc = roc_npc_to_npc_priv(roc_npc);
1365 struct mcam_entry *base_entry;
1368 if (roc_nix_is_pf(roc_npc->roc_nix))
1371 (void)mbox_alloc_msg_npc_read_base_steer_rule(npc->mbox);
1372 rc = mbox_process_msg(npc->mbox, (void *)&base_rule_rsp);
1374 plt_err("Failed to fetch VF's base MCAM entry");
1377 base_entry = &base_rule_rsp->entry_data;
1378 for (idx = 0; idx < ROC_NPC_MAX_MCAM_WIDTH_DWORDS; idx++) {
1379 flow->mcam_data[idx] |= base_entry->kw[idx];
1380 flow->mcam_mask[idx] |= base_entry->kw_mask[idx];