1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2014-2018 Broadcom
9 #include <rte_malloc.h>
11 #include <rte_flow_driver.h>
12 #include <rte_tailq.h>
15 #include "bnxt_filter.h"
16 #include "bnxt_hwrm.h"
17 #include "bnxt_ring.h"
19 #include "bnxt_vnic.h"
20 #include "bnxt_util.h"
21 #include "hsi_struct_def_dpdk.h"
24 bnxt_flow_args_validate(const struct rte_flow_attr *attr,
25 const struct rte_flow_item pattern[],
26 const struct rte_flow_action actions[],
27 struct rte_flow_error *error)
30 rte_flow_error_set(error,
32 RTE_FLOW_ERROR_TYPE_ITEM_NUM,
39 rte_flow_error_set(error,
41 RTE_FLOW_ERROR_TYPE_ACTION_NUM,
48 rte_flow_error_set(error,
50 RTE_FLOW_ERROR_TYPE_ATTR,
59 static const struct rte_flow_item *
60 bnxt_flow_non_void_item(const struct rte_flow_item *cur)
63 if (cur->type != RTE_FLOW_ITEM_TYPE_VOID)
69 static const struct rte_flow_action *
70 bnxt_flow_non_void_action(const struct rte_flow_action *cur)
73 if (cur->type != RTE_FLOW_ACTION_TYPE_VOID)
80 bnxt_filter_type_check(const struct rte_flow_item pattern[],
81 struct rte_flow_error *error __rte_unused)
83 const struct rte_flow_item *item =
84 bnxt_flow_non_void_item(pattern);
88 while (item->type != RTE_FLOW_ITEM_TYPE_END) {
90 case RTE_FLOW_ITEM_TYPE_ANY:
91 case RTE_FLOW_ITEM_TYPE_ETH:
94 case RTE_FLOW_ITEM_TYPE_VLAN:
98 case RTE_FLOW_ITEM_TYPE_IPV4:
99 case RTE_FLOW_ITEM_TYPE_IPV6:
100 case RTE_FLOW_ITEM_TYPE_TCP:
101 case RTE_FLOW_ITEM_TYPE_UDP:
103 /* need ntuple match, reset exact match */
107 PMD_DRV_LOG(DEBUG, "Unknown Flow type\n");
113 if (has_vlan && use_ntuple) {
115 "VLAN flow cannot use NTUPLE filter\n");
116 rte_flow_error_set(error, EINVAL,
117 RTE_FLOW_ERROR_TYPE_ITEM,
119 "Cannot use VLAN with NTUPLE");
127 bnxt_validate_and_parse_flow_type(struct bnxt *bp,
128 const struct rte_flow_attr *attr,
129 const struct rte_flow_item pattern[],
130 struct rte_flow_error *error,
131 struct bnxt_filter_info *filter)
133 const struct rte_flow_item *item = bnxt_flow_non_void_item(pattern);
134 const struct rte_flow_item_vlan *vlan_spec, *vlan_mask;
135 const struct rte_flow_item_ipv4 *ipv4_spec, *ipv4_mask;
136 const struct rte_flow_item_ipv6 *ipv6_spec, *ipv6_mask;
137 const struct rte_flow_item_tcp *tcp_spec, *tcp_mask;
138 const struct rte_flow_item_udp *udp_spec, *udp_mask;
139 const struct rte_flow_item_eth *eth_spec, *eth_mask;
140 const struct rte_flow_item_nvgre *nvgre_spec;
141 const struct rte_flow_item_nvgre *nvgre_mask;
142 const struct rte_flow_item_gre *gre_spec;
143 const struct rte_flow_item_gre *gre_mask;
144 const struct rte_flow_item_vxlan *vxlan_spec;
145 const struct rte_flow_item_vxlan *vxlan_mask;
146 uint8_t vni_mask[] = {0xFF, 0xFF, 0xFF};
147 uint8_t tni_mask[] = {0xFF, 0xFF, 0xFF};
148 const struct rte_flow_item_vf *vf_spec;
149 uint32_t tenant_id_be = 0, valid_flags = 0;
152 uint32_t en_ethertype;
159 use_ntuple = bnxt_filter_type_check(pattern, error);
160 PMD_DRV_LOG(DEBUG, "Use NTUPLE %d\n", use_ntuple);
164 filter->filter_type = use_ntuple ?
165 HWRM_CFA_NTUPLE_FILTER : HWRM_CFA_EM_FILTER;
166 en_ethertype = use_ntuple ?
167 NTUPLE_FLTR_ALLOC_INPUT_EN_ETHERTYPE :
168 EM_FLOW_ALLOC_INPUT_EN_ETHERTYPE;
170 while (item->type != RTE_FLOW_ITEM_TYPE_END) {
172 /* last or range is NOT supported as match criteria */
173 rte_flow_error_set(error, EINVAL,
174 RTE_FLOW_ERROR_TYPE_ITEM,
176 "No support for range");
180 switch (item->type) {
181 case RTE_FLOW_ITEM_TYPE_ANY:
183 ((const struct rte_flow_item_any *)item->spec)->num > 3;
185 PMD_DRV_LOG(DEBUG, "Parse inner header\n");
187 case RTE_FLOW_ITEM_TYPE_ETH:
188 if (!item->spec || !item->mask)
191 eth_spec = item->spec;
192 eth_mask = item->mask;
194 /* Source MAC address mask cannot be partially set.
195 * Should be All 0's or all 1's.
196 * Destination MAC address mask must not be partially
197 * set. Should be all 1's or all 0's.
199 if ((!rte_is_zero_ether_addr(ð_mask->src) &&
200 !rte_is_broadcast_ether_addr(ð_mask->src)) ||
201 (!rte_is_zero_ether_addr(ð_mask->dst) &&
202 !rte_is_broadcast_ether_addr(ð_mask->dst))) {
203 rte_flow_error_set(error,
205 RTE_FLOW_ERROR_TYPE_ITEM,
207 "MAC_addr mask not valid");
211 /* Mask is not allowed. Only exact matches are */
212 if (eth_mask->type &&
213 eth_mask->type != RTE_BE16(0xffff)) {
214 rte_flow_error_set(error, EINVAL,
215 RTE_FLOW_ERROR_TYPE_ITEM,
217 "ethertype mask not valid");
221 if (rte_is_broadcast_ether_addr(ð_mask->dst)) {
222 rte_memcpy(filter->dst_macaddr,
223 ð_spec->dst, RTE_ETHER_ADDR_LEN);
225 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_MACADDR :
226 EM_FLOW_ALLOC_INPUT_EN_DST_MACADDR;
227 valid_flags |= inner ?
228 BNXT_FLOW_L2_INNER_DST_VALID_FLAG :
229 BNXT_FLOW_L2_DST_VALID_FLAG;
232 if (rte_is_broadcast_ether_addr(ð_mask->src)) {
233 rte_memcpy(filter->src_macaddr,
234 ð_spec->src, RTE_ETHER_ADDR_LEN);
236 NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_MACADDR :
237 EM_FLOW_ALLOC_INPUT_EN_SRC_MACADDR;
238 valid_flags |= inner ?
239 BNXT_FLOW_L2_INNER_SRC_VALID_FLAG :
240 BNXT_FLOW_L2_SRC_VALID_FLAG;
243 * PMD_DRV_LOG(ERR, "Handle this condition\n");
246 if (eth_mask->type) {
248 rte_be_to_cpu_16(eth_spec->type);
253 case RTE_FLOW_ITEM_TYPE_VLAN:
254 vlan_spec = item->spec;
255 vlan_mask = item->mask;
256 if (en & en_ethertype) {
257 rte_flow_error_set(error, EINVAL,
258 RTE_FLOW_ERROR_TYPE_ITEM,
260 "VLAN TPID matching is not"
264 if (vlan_mask->tci &&
265 vlan_mask->tci == RTE_BE16(0x0fff)) {
266 /* Only the VLAN ID can be matched. */
268 rte_be_to_cpu_16(vlan_spec->tci &
270 en |= EM_FLOW_ALLOC_INPUT_EN_OVLAN_VID;
272 rte_flow_error_set(error,
274 RTE_FLOW_ERROR_TYPE_ITEM,
276 "VLAN mask is invalid");
279 if (vlan_mask->inner_type &&
280 vlan_mask->inner_type != RTE_BE16(0xffff)) {
281 rte_flow_error_set(error, EINVAL,
282 RTE_FLOW_ERROR_TYPE_ITEM,
284 "inner ethertype mask not"
288 if (vlan_mask->inner_type) {
290 rte_be_to_cpu_16(vlan_spec->inner_type);
295 case RTE_FLOW_ITEM_TYPE_IPV4:
296 /* If mask is not involved, we could use EM filters. */
297 ipv4_spec = item->spec;
298 ipv4_mask = item->mask;
300 if (!item->spec || !item->mask)
303 /* Only IP DST and SRC fields are maskable. */
304 if (ipv4_mask->hdr.version_ihl ||
305 ipv4_mask->hdr.type_of_service ||
306 ipv4_mask->hdr.total_length ||
307 ipv4_mask->hdr.packet_id ||
308 ipv4_mask->hdr.fragment_offset ||
309 ipv4_mask->hdr.time_to_live ||
310 ipv4_mask->hdr.next_proto_id ||
311 ipv4_mask->hdr.hdr_checksum) {
312 rte_flow_error_set(error,
314 RTE_FLOW_ERROR_TYPE_ITEM,
316 "Invalid IPv4 mask.");
320 filter->dst_ipaddr[0] = ipv4_spec->hdr.dst_addr;
321 filter->src_ipaddr[0] = ipv4_spec->hdr.src_addr;
324 en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR |
325 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR;
327 en |= EM_FLOW_ALLOC_INPUT_EN_SRC_IPADDR |
328 EM_FLOW_ALLOC_INPUT_EN_DST_IPADDR;
330 if (ipv4_mask->hdr.src_addr) {
331 filter->src_ipaddr_mask[0] =
332 ipv4_mask->hdr.src_addr;
333 en |= !use_ntuple ? 0 :
334 NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR_MASK;
337 if (ipv4_mask->hdr.dst_addr) {
338 filter->dst_ipaddr_mask[0] =
339 ipv4_mask->hdr.dst_addr;
340 en |= !use_ntuple ? 0 :
341 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR_MASK;
344 filter->ip_addr_type = use_ntuple ?
345 HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_IP_ADDR_TYPE_IPV4 :
346 HWRM_CFA_EM_FLOW_ALLOC_INPUT_IP_ADDR_TYPE_IPV4;
348 if (ipv4_spec->hdr.next_proto_id) {
349 filter->ip_protocol =
350 ipv4_spec->hdr.next_proto_id;
352 en |= NTUPLE_FLTR_ALLOC_IN_EN_IP_PROTO;
354 en |= EM_FLOW_ALLOC_INPUT_EN_IP_PROTO;
357 case RTE_FLOW_ITEM_TYPE_IPV6:
358 ipv6_spec = item->spec;
359 ipv6_mask = item->mask;
361 if (!item->spec || !item->mask)
364 /* Only IP DST and SRC fields are maskable. */
365 if (ipv6_mask->hdr.vtc_flow ||
366 ipv6_mask->hdr.payload_len ||
367 ipv6_mask->hdr.proto ||
368 ipv6_mask->hdr.hop_limits) {
369 rte_flow_error_set(error,
371 RTE_FLOW_ERROR_TYPE_ITEM,
373 "Invalid IPv6 mask.");
378 en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR |
379 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR;
381 en |= EM_FLOW_ALLOC_INPUT_EN_SRC_IPADDR |
382 EM_FLOW_ALLOC_INPUT_EN_DST_IPADDR;
384 rte_memcpy(filter->src_ipaddr,
385 ipv6_spec->hdr.src_addr, 16);
386 rte_memcpy(filter->dst_ipaddr,
387 ipv6_spec->hdr.dst_addr, 16);
389 if (!bnxt_check_zero_bytes(ipv6_mask->hdr.src_addr,
391 rte_memcpy(filter->src_ipaddr_mask,
392 ipv6_mask->hdr.src_addr, 16);
393 en |= !use_ntuple ? 0 :
394 NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR_MASK;
397 if (!bnxt_check_zero_bytes(ipv6_mask->hdr.dst_addr,
399 rte_memcpy(filter->dst_ipaddr_mask,
400 ipv6_mask->hdr.dst_addr, 16);
401 en |= !use_ntuple ? 0 :
402 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR_MASK;
405 filter->ip_addr_type = use_ntuple ?
406 NTUPLE_FLTR_ALLOC_INPUT_IP_ADDR_TYPE_IPV6 :
407 EM_FLOW_ALLOC_INPUT_IP_ADDR_TYPE_IPV6;
409 case RTE_FLOW_ITEM_TYPE_TCP:
410 tcp_spec = item->spec;
411 tcp_mask = item->mask;
413 if (!item->spec || !item->mask)
416 /* Check TCP mask. Only DST & SRC ports are maskable */
417 if (tcp_mask->hdr.sent_seq ||
418 tcp_mask->hdr.recv_ack ||
419 tcp_mask->hdr.data_off ||
420 tcp_mask->hdr.tcp_flags ||
421 tcp_mask->hdr.rx_win ||
422 tcp_mask->hdr.cksum ||
423 tcp_mask->hdr.tcp_urp) {
424 rte_flow_error_set(error,
426 RTE_FLOW_ERROR_TYPE_ITEM,
432 filter->src_port = tcp_spec->hdr.src_port;
433 filter->dst_port = tcp_spec->hdr.dst_port;
436 en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_PORT |
437 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_PORT;
439 en |= EM_FLOW_ALLOC_INPUT_EN_SRC_PORT |
440 EM_FLOW_ALLOC_INPUT_EN_DST_PORT;
442 if (tcp_mask->hdr.dst_port) {
443 filter->dst_port_mask = tcp_mask->hdr.dst_port;
444 en |= !use_ntuple ? 0 :
445 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_PORT_MASK;
448 if (tcp_mask->hdr.src_port) {
449 filter->src_port_mask = tcp_mask->hdr.src_port;
450 en |= !use_ntuple ? 0 :
451 NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_PORT_MASK;
454 case RTE_FLOW_ITEM_TYPE_UDP:
455 udp_spec = item->spec;
456 udp_mask = item->mask;
458 if (!item->spec || !item->mask)
461 if (udp_mask->hdr.dgram_len ||
462 udp_mask->hdr.dgram_cksum) {
463 rte_flow_error_set(error,
465 RTE_FLOW_ERROR_TYPE_ITEM,
471 filter->src_port = udp_spec->hdr.src_port;
472 filter->dst_port = udp_spec->hdr.dst_port;
475 en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_PORT |
476 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_PORT;
478 en |= EM_FLOW_ALLOC_INPUT_EN_SRC_PORT |
479 EM_FLOW_ALLOC_INPUT_EN_DST_PORT;
481 if (udp_mask->hdr.dst_port) {
482 filter->dst_port_mask = udp_mask->hdr.dst_port;
483 en |= !use_ntuple ? 0 :
484 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_PORT_MASK;
487 if (udp_mask->hdr.src_port) {
488 filter->src_port_mask = udp_mask->hdr.src_port;
489 en |= !use_ntuple ? 0 :
490 NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_PORT_MASK;
493 case RTE_FLOW_ITEM_TYPE_VXLAN:
494 vxlan_spec = item->spec;
495 vxlan_mask = item->mask;
496 /* Check if VXLAN item is used to describe protocol.
497 * If yes, both spec and mask should be NULL.
498 * If no, both spec and mask shouldn't be NULL.
500 if ((!vxlan_spec && vxlan_mask) ||
501 (vxlan_spec && !vxlan_mask)) {
502 rte_flow_error_set(error,
504 RTE_FLOW_ERROR_TYPE_ITEM,
506 "Invalid VXLAN item");
510 if (!vxlan_spec && !vxlan_mask) {
511 filter->tunnel_type =
512 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_VXLAN;
516 if (vxlan_spec->rsvd1 || vxlan_spec->rsvd0[0] ||
517 vxlan_spec->rsvd0[1] || vxlan_spec->rsvd0[2] ||
518 vxlan_spec->flags != 0x8) {
519 rte_flow_error_set(error,
521 RTE_FLOW_ERROR_TYPE_ITEM,
523 "Invalid VXLAN item");
527 /* Check if VNI is masked. */
528 if (vxlan_spec && vxlan_mask) {
530 !!memcmp(vxlan_mask->vni, vni_mask,
536 RTE_FLOW_ERROR_TYPE_ITEM,
542 rte_memcpy(((uint8_t *)&tenant_id_be + 1),
545 rte_be_to_cpu_32(tenant_id_be);
546 filter->tunnel_type =
547 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_VXLAN;
550 case RTE_FLOW_ITEM_TYPE_NVGRE:
551 nvgre_spec = item->spec;
552 nvgre_mask = item->mask;
553 /* Check if NVGRE item is used to describe protocol.
554 * If yes, both spec and mask should be NULL.
555 * If no, both spec and mask shouldn't be NULL.
557 if ((!nvgre_spec && nvgre_mask) ||
558 (nvgre_spec && !nvgre_mask)) {
559 rte_flow_error_set(error,
561 RTE_FLOW_ERROR_TYPE_ITEM,
563 "Invalid NVGRE item");
567 if (!nvgre_spec && !nvgre_mask) {
568 filter->tunnel_type =
569 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_NVGRE;
573 if (nvgre_spec->c_k_s_rsvd0_ver != 0x2000 ||
574 nvgre_spec->protocol != 0x6558) {
575 rte_flow_error_set(error,
577 RTE_FLOW_ERROR_TYPE_ITEM,
579 "Invalid NVGRE item");
583 if (nvgre_spec && nvgre_mask) {
585 !!memcmp(nvgre_mask->tni, tni_mask,
591 RTE_FLOW_ERROR_TYPE_ITEM,
596 rte_memcpy(((uint8_t *)&tenant_id_be + 1),
599 rte_be_to_cpu_32(tenant_id_be);
600 filter->tunnel_type =
601 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_NVGRE;
605 case RTE_FLOW_ITEM_TYPE_GRE:
606 gre_spec = (const struct rte_flow_item_gre *)item->spec;
607 gre_mask = (const struct rte_flow_item_gre *)item->mask;
610 *Check if GRE item is used to describe protocol.
611 * If yes, both spec and mask should be NULL.
612 * If no, both spec and mask shouldn't be NULL.
614 if (!!gre_spec ^ !!gre_mask) {
615 rte_flow_error_set(error, EINVAL,
616 RTE_FLOW_ERROR_TYPE_ITEM,
622 if (!gre_spec && !gre_mask) {
623 filter->tunnel_type =
624 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_IPGRE;
629 case RTE_FLOW_ITEM_TYPE_VF:
630 vf_spec = item->spec;
633 rte_flow_error_set(error,
635 RTE_FLOW_ERROR_TYPE_ITEM,
637 "Configuring on a VF!");
641 if (vf >= bp->pdev->max_vfs) {
642 rte_flow_error_set(error,
644 RTE_FLOW_ERROR_TYPE_ITEM,
650 if (!attr->transfer) {
651 rte_flow_error_set(error,
653 RTE_FLOW_ERROR_TYPE_ITEM,
655 "Matching VF traffic without"
656 " affecting it (transfer attribute)"
661 filter->mirror_vnic_id =
662 dflt_vnic = bnxt_hwrm_func_qcfg_vf_dflt_vnic_id(bp, vf);
664 /* This simply indicates there's no driver
665 * loaded. This is not an error.
670 RTE_FLOW_ERROR_TYPE_ITEM,
672 "Unable to get default VNIC for VF");
676 filter->mirror_vnic_id = dflt_vnic;
677 en |= NTUPLE_FLTR_ALLOC_INPUT_EN_MIRROR_VNIC_ID;
684 filter->enables = en;
685 filter->valid_flags = valid_flags;
690 /* Parse attributes */
692 bnxt_flow_parse_attr(const struct rte_flow_attr *attr,
693 struct rte_flow_error *error)
695 /* Must be input direction */
696 if (!attr->ingress) {
697 rte_flow_error_set(error,
699 RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
701 "Only support ingress.");
707 rte_flow_error_set(error,
709 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS,
711 "No support for egress.");
716 if (attr->priority) {
717 rte_flow_error_set(error,
719 RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY,
721 "No support for priority.");
727 struct bnxt_filter_info *
728 bnxt_get_l2_filter(struct bnxt *bp, struct bnxt_filter_info *nf,
729 struct bnxt_vnic_info *vnic)
731 struct bnxt_filter_info *filter1, *f0;
732 struct bnxt_vnic_info *vnic0;
735 vnic0 = &bp->vnic_info[0];
736 f0 = STAILQ_FIRST(&vnic0->filter);
738 /* This flow has same DST MAC as the port/l2 filter. */
739 if (memcmp(f0->l2_addr, nf->dst_macaddr, RTE_ETHER_ADDR_LEN) == 0)
742 /* Alloc new L2 filter.
743 * This flow needs MAC filter which does not match port/l2 MAC.
745 filter1 = bnxt_get_unused_filter(bp);
749 filter1->flags = HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_XDP_DISABLE;
750 filter1->flags |= HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_PATH_RX;
751 if (nf->valid_flags & BNXT_FLOW_L2_SRC_VALID_FLAG ||
752 nf->valid_flags & BNXT_FLOW_L2_DST_VALID_FLAG) {
754 HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_OUTERMOST;
755 PMD_DRV_LOG(DEBUG, "Create Outer filter\n");
758 if (nf->filter_type == HWRM_CFA_L2_FILTER &&
759 (nf->valid_flags & BNXT_FLOW_L2_SRC_VALID_FLAG ||
760 nf->valid_flags & BNXT_FLOW_L2_INNER_SRC_VALID_FLAG)) {
761 PMD_DRV_LOG(DEBUG, "Create L2 filter for SRC MAC\n");
763 HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_SOURCE_VALID;
764 memcpy(filter1->l2_addr, nf->src_macaddr, RTE_ETHER_ADDR_LEN);
766 PMD_DRV_LOG(DEBUG, "Create L2 filter for DST MAC\n");
767 memcpy(filter1->l2_addr, nf->dst_macaddr, RTE_ETHER_ADDR_LEN);
770 if (nf->valid_flags & BNXT_FLOW_L2_DST_VALID_FLAG ||
771 nf->valid_flags & BNXT_FLOW_L2_INNER_DST_VALID_FLAG) {
772 /* Tell the FW where to place the filter in the table. */
774 HWRM_CFA_L2_FILTER_ALLOC_INPUT_PRI_HINT_BELOW_FILTER;
775 /* This will place the filter in TCAM */
776 filter1->l2_filter_id_hint = (uint64_t)-1;
779 filter1->enables = HWRM_CFA_L2_FILTER_ALLOC_INPUT_ENABLES_L2_ADDR |
780 L2_FILTER_ALLOC_INPUT_EN_L2_ADDR_MASK;
781 memset(filter1->l2_addr_mask, 0xff, RTE_ETHER_ADDR_LEN);
782 rc = bnxt_hwrm_set_l2_filter(bp, vnic->fw_vnic_id,
785 bnxt_free_filter(bp, filter1);
791 static int bnxt_vnic_prep(struct bnxt *bp, struct bnxt_vnic_info *vnic)
793 struct rte_eth_conf *dev_conf = &bp->eth_dev->data->dev_conf;
794 uint64_t rx_offloads = dev_conf->rxmode.offloads;
797 rc = bnxt_vnic_grp_alloc(bp, vnic);
801 rc = bnxt_hwrm_vnic_alloc(bp, vnic);
803 PMD_DRV_LOG(ERR, "HWRM vnic alloc failure rc: %x\n", rc);
808 /* RSS context is required only when there is more than one RSS ring */
809 if (vnic->rx_queue_cnt > 1) {
810 rc = bnxt_hwrm_vnic_ctx_alloc(bp, vnic, 0 /* ctx_idx 0 */);
813 "HWRM vnic ctx alloc failure: %x\n", rc);
817 PMD_DRV_LOG(DEBUG, "No RSS context required\n");
820 if (rx_offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
821 vnic->vlan_strip = true;
823 vnic->vlan_strip = false;
825 rc = bnxt_hwrm_vnic_cfg(bp, vnic);
829 bnxt_hwrm_vnic_plcmode_cfg(bp, vnic);
836 bnxt_validate_and_parse_flow(struct rte_eth_dev *dev,
837 const struct rte_flow_item pattern[],
838 const struct rte_flow_action actions[],
839 const struct rte_flow_attr *attr,
840 struct rte_flow_error *error,
841 struct bnxt_filter_info *filter)
843 const struct rte_flow_action *act =
844 bnxt_flow_non_void_action(actions);
845 struct bnxt *bp = dev->data->dev_private;
846 struct rte_eth_conf *dev_conf = &bp->eth_dev->data->dev_conf;
847 const struct rte_flow_action_queue *act_q;
848 const struct rte_flow_action_vf *act_vf;
849 struct bnxt_vnic_info *vnic, *vnic0;
850 struct bnxt_filter_info *filter1;
851 struct bnxt_rx_queue *rxq = NULL;
852 int dflt_vnic, vnic_id;
857 bnxt_validate_and_parse_flow_type(bp, attr, pattern, error, filter);
861 rc = bnxt_flow_parse_attr(attr, error);
865 /* Since we support ingress attribute only - right now. */
866 if (filter->filter_type == HWRM_CFA_EM_FILTER)
867 filter->flags = HWRM_CFA_EM_FLOW_ALLOC_INPUT_FLAGS_PATH_RX;
870 case RTE_FLOW_ACTION_TYPE_QUEUE:
871 /* Allow this flow. Redirect to a VNIC. */
872 act_q = (const struct rte_flow_action_queue *)act->conf;
873 if (!act_q->index || act_q->index >= bp->rx_nr_rings) {
874 rte_flow_error_set(error,
876 RTE_FLOW_ERROR_TYPE_ACTION,
878 "Invalid queue ID.");
882 PMD_DRV_LOG(DEBUG, "Queue index %d\n", act_q->index);
884 vnic_id = attr->group;
886 PMD_DRV_LOG(DEBUG, "Group id is 0\n");
887 vnic_id = act_q->index;
889 PMD_DRV_LOG(DEBUG, "VNIC found\n");
891 vnic = &bp->vnic_info[vnic_id];
893 rte_flow_error_set(error,
895 RTE_FLOW_ERROR_TYPE_ACTION,
897 "No matching VNIC found.");
901 if (vnic->rx_queue_cnt) {
902 if (vnic->start_grp_id != act_q->index) {
904 "VNIC already in use\n");
905 rte_flow_error_set(error,
907 RTE_FLOW_ERROR_TYPE_ACTION,
909 "VNIC already in use");
916 rxq = bp->rx_queues[act_q->index];
918 if (!(dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS) && rxq &&
919 vnic->fw_vnic_id != INVALID_HW_RING_ID)
923 bp->vnic_info[0].fw_grp_ids[act_q->index] !=
924 INVALID_HW_RING_ID ||
925 !rxq->rx_deferred_start) {
927 "Queue invalid or used with other VNIC\n");
928 rte_flow_error_set(error,
930 RTE_FLOW_ERROR_TYPE_ACTION,
932 "Queue invalid queue or in use");
939 vnic->rx_queue_cnt++;
940 vnic->start_grp_id = act_q->index;
941 vnic->end_grp_id = act_q->index;
942 vnic->func_default = 0; //This is not a default VNIC.
944 PMD_DRV_LOG(DEBUG, "VNIC found\n");
946 rc = bnxt_vnic_prep(bp, vnic);
951 "vnic[%d] = %p vnic->fw_grp_ids = %p\n",
952 act_q->index, vnic, vnic->fw_grp_ids);
954 vnic->ff_pool_idx = vnic_id;
956 "Setting vnic ff_idx %d\n", vnic->ff_pool_idx);
957 filter->dst_id = vnic->fw_vnic_id;
958 filter1 = bnxt_get_l2_filter(bp, filter, vnic);
959 if (filter1 == NULL) {
964 if (!(filter->valid_flags &
965 ~(BNXT_FLOW_L2_DST_VALID_FLAG |
966 BNXT_FLOW_L2_SRC_VALID_FLAG |
967 BNXT_FLOW_L2_INNER_SRC_VALID_FLAG |
968 BNXT_FLOW_L2_INNER_DST_VALID_FLAG))) {
969 PMD_DRV_LOG(DEBUG, "L2 filter created\n");
970 filter->flags = filter1->flags;
971 filter->enables = filter1->enables;
972 filter->filter_type = HWRM_CFA_L2_FILTER;
973 memset(filter->l2_addr_mask, 0xff, RTE_ETHER_ADDR_LEN);
974 filter->pri_hint = filter1->pri_hint;
975 filter->l2_filter_id_hint = filter1->l2_filter_id_hint;
977 filter->fw_l2_filter_id = filter1->fw_l2_filter_id;
979 case RTE_FLOW_ACTION_TYPE_DROP:
980 vnic0 = &bp->vnic_info[0];
981 filter1 = bnxt_get_l2_filter(bp, filter, vnic0);
982 if (filter1 == NULL) {
987 filter->fw_l2_filter_id = filter1->fw_l2_filter_id;
988 if (filter->filter_type == HWRM_CFA_EM_FILTER)
990 HWRM_CFA_EM_FLOW_ALLOC_INPUT_FLAGS_DROP;
993 HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_FLAGS_DROP;
995 case RTE_FLOW_ACTION_TYPE_COUNT:
996 vnic0 = &bp->vnic_info[0];
997 filter1 = bnxt_get_l2_filter(bp, filter, vnic0);
998 if (filter1 == NULL) {
1003 filter->fw_l2_filter_id = filter1->fw_l2_filter_id;
1004 filter->flags = HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_FLAGS_METER;
1006 case RTE_FLOW_ACTION_TYPE_VF:
1007 act_vf = (const struct rte_flow_action_vf *)act->conf;
1010 if (filter->tunnel_type ==
1011 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_VXLAN ||
1012 filter->tunnel_type ==
1013 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_IPGRE) {
1014 /* If issued on a VF, ensure id is 0 and is trusted */
1016 if (!BNXT_VF_IS_TRUSTED(bp) || vf) {
1017 rte_flow_error_set(error, EINVAL,
1018 RTE_FLOW_ERROR_TYPE_ACTION,
1026 filter->enables |= filter->tunnel_type;
1027 filter->filter_type = HWRM_CFA_TUNNEL_REDIRECT_FILTER;
1031 if (vf >= bp->pdev->max_vfs) {
1032 rte_flow_error_set(error,
1034 RTE_FLOW_ERROR_TYPE_ACTION,
1036 "Incorrect VF id!");
1041 filter->mirror_vnic_id =
1042 dflt_vnic = bnxt_hwrm_func_qcfg_vf_dflt_vnic_id(bp, vf);
1043 if (dflt_vnic < 0) {
1044 /* This simply indicates there's no driver loaded.
1045 * This is not an error.
1047 rte_flow_error_set(error,
1049 RTE_FLOW_ERROR_TYPE_ACTION,
1051 "Unable to get default VNIC for VF");
1056 filter->mirror_vnic_id = dflt_vnic;
1057 filter->enables |= NTUPLE_FLTR_ALLOC_INPUT_EN_MIRROR_VNIC_ID;
1059 vnic0 = &bp->vnic_info[0];
1060 filter1 = bnxt_get_l2_filter(bp, filter, vnic0);
1061 if (filter1 == NULL) {
1066 filter->fw_l2_filter_id = filter1->fw_l2_filter_id;
1068 case RTE_FLOW_ACTION_TYPE_RSS:
1069 rte_flow_error_set(error,
1071 RTE_FLOW_ERROR_TYPE_ACTION,
1073 "This action is not supported right now.");
1079 rte_flow_error_set(error,
1081 RTE_FLOW_ERROR_TYPE_ACTION,
1089 bnxt_free_filter(bp, filter1);
1090 filter1->fw_l2_filter_id = -1;
1093 act = bnxt_flow_non_void_action(++act);
1094 if (act->type != RTE_FLOW_ACTION_TYPE_END) {
1095 rte_flow_error_set(error,
1097 RTE_FLOW_ERROR_TYPE_ACTION,
1108 bnxt_flow_validate(struct rte_eth_dev *dev,
1109 const struct rte_flow_attr *attr,
1110 const struct rte_flow_item pattern[],
1111 const struct rte_flow_action actions[],
1112 struct rte_flow_error *error)
1114 struct bnxt *bp = dev->data->dev_private;
1115 struct bnxt_filter_info *filter;
1118 ret = bnxt_flow_args_validate(attr, pattern, actions, error);
1122 filter = bnxt_get_unused_filter(bp);
1123 if (filter == NULL) {
1124 PMD_DRV_LOG(ERR, "Not enough resources for a new flow.\n");
1128 ret = bnxt_validate_and_parse_flow(dev, pattern, actions, attr,
1130 /* No need to hold on to this filter if we are just validating flow */
1131 filter->fw_l2_filter_id = UINT64_MAX;
1132 bnxt_free_filter(bp, filter);
1138 bnxt_match_filter(struct bnxt *bp, struct bnxt_filter_info *nf)
1140 struct bnxt_filter_info *mf;
1141 struct rte_flow *flow;
1144 for (i = bp->max_vnics; i >= 0; i--) {
1145 struct bnxt_vnic_info *vnic = &bp->vnic_info[i];
1147 if (vnic->fw_vnic_id == INVALID_VNIC_ID)
1150 STAILQ_FOREACH(flow, &vnic->flow_list, next) {
1153 if (mf->filter_type == nf->filter_type &&
1154 mf->flags == nf->flags &&
1155 mf->src_port == nf->src_port &&
1156 mf->src_port_mask == nf->src_port_mask &&
1157 mf->dst_port == nf->dst_port &&
1158 mf->dst_port_mask == nf->dst_port_mask &&
1159 mf->ip_protocol == nf->ip_protocol &&
1160 mf->ip_addr_type == nf->ip_addr_type &&
1161 mf->ethertype == nf->ethertype &&
1162 mf->vni == nf->vni &&
1163 mf->tunnel_type == nf->tunnel_type &&
1164 mf->l2_ovlan == nf->l2_ovlan &&
1165 mf->l2_ovlan_mask == nf->l2_ovlan_mask &&
1166 mf->l2_ivlan == nf->l2_ivlan &&
1167 mf->l2_ivlan_mask == nf->l2_ivlan_mask &&
1168 !memcmp(mf->l2_addr, nf->l2_addr,
1169 RTE_ETHER_ADDR_LEN) &&
1170 !memcmp(mf->l2_addr_mask, nf->l2_addr_mask,
1171 RTE_ETHER_ADDR_LEN) &&
1172 !memcmp(mf->src_macaddr, nf->src_macaddr,
1173 RTE_ETHER_ADDR_LEN) &&
1174 !memcmp(mf->dst_macaddr, nf->dst_macaddr,
1175 RTE_ETHER_ADDR_LEN) &&
1176 !memcmp(mf->src_ipaddr, nf->src_ipaddr,
1177 sizeof(nf->src_ipaddr)) &&
1178 !memcmp(mf->src_ipaddr_mask, nf->src_ipaddr_mask,
1179 sizeof(nf->src_ipaddr_mask)) &&
1180 !memcmp(mf->dst_ipaddr, nf->dst_ipaddr,
1181 sizeof(nf->dst_ipaddr)) &&
1182 !memcmp(mf->dst_ipaddr_mask, nf->dst_ipaddr_mask,
1183 sizeof(nf->dst_ipaddr_mask))) {
1184 if (mf->dst_id == nf->dst_id)
1186 /* Clear the new L2 filter that was created
1187 * earlier in bnxt_validate_and_parse_flow.
1189 bnxt_hwrm_clear_l2_filter(bp, nf);
1191 * Same Flow, Different queue
1192 * Clear the old ntuple filter
1193 * Reuse the matching L2 filter
1194 * ID for the new filter
1196 nf->fw_l2_filter_id = mf->fw_l2_filter_id;
1197 if (nf->filter_type == HWRM_CFA_EM_FILTER)
1198 bnxt_hwrm_clear_em_filter(bp, mf);
1199 if (nf->filter_type == HWRM_CFA_NTUPLE_FILTER)
1200 bnxt_hwrm_clear_ntuple_filter(bp, mf);
1201 /* Free the old filter, update flow
1204 bnxt_free_filter(bp, mf);
1213 static struct rte_flow *
1214 bnxt_flow_create(struct rte_eth_dev *dev,
1215 const struct rte_flow_attr *attr,
1216 const struct rte_flow_item pattern[],
1217 const struct rte_flow_action actions[],
1218 struct rte_flow_error *error)
1220 struct bnxt *bp = dev->data->dev_private;
1221 struct bnxt_vnic_info *vnic = NULL;
1222 struct bnxt_filter_info *filter;
1223 bool update_flow = false;
1224 struct rte_flow *flow;
1229 if (BNXT_VF(bp) && !BNXT_VF_IS_TRUSTED(bp)) {
1230 rte_flow_error_set(error, EINVAL,
1231 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1232 "Failed to create flow, Not a Trusted VF!");
1236 flow = rte_zmalloc("bnxt_flow", sizeof(struct rte_flow), 0);
1238 rte_flow_error_set(error, ENOMEM,
1239 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1240 "Failed to allocate memory");
1244 ret = bnxt_flow_args_validate(attr, pattern, actions, error);
1246 PMD_DRV_LOG(ERR, "Not a validate flow.\n");
1250 filter = bnxt_get_unused_filter(bp);
1251 if (filter == NULL) {
1252 PMD_DRV_LOG(ERR, "Not enough resources for a new flow.\n");
1256 ret = bnxt_validate_and_parse_flow(dev, pattern, actions, attr,
1261 ret = bnxt_match_filter(bp, filter);
1262 if (ret == -EEXIST) {
1263 PMD_DRV_LOG(DEBUG, "Flow already exists.\n");
1264 /* Clear the filter that was created as part of
1265 * validate_and_parse_flow() above
1267 bnxt_hwrm_clear_l2_filter(bp, filter);
1269 } else if (ret == -EXDEV) {
1270 PMD_DRV_LOG(DEBUG, "Flow with same pattern exists\n");
1271 PMD_DRV_LOG(DEBUG, "Updating with different destination\n");
1275 /* If tunnel redirection to a VF/PF is specified then only tunnel_type
1276 * is set and enable is set to the tunnel type. Issue hwrm cmd directly
1279 if (filter->filter_type == HWRM_CFA_TUNNEL_REDIRECT_FILTER &&
1280 filter->enables == filter->tunnel_type) {
1281 ret = bnxt_hwrm_tunnel_redirect_query(bp, &tun_type);
1283 rte_flow_error_set(error, -ret,
1284 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1285 "Unable to query tunnel to VF");
1288 if (tun_type == (1U << filter->tunnel_type)) {
1290 bnxt_hwrm_tunnel_redirect_free(bp,
1291 filter->tunnel_type);
1294 "Unable to free existing tunnel\n");
1295 rte_flow_error_set(error, -ret,
1296 RTE_FLOW_ERROR_TYPE_HANDLE,
1298 "Unable to free preexisting "
1303 ret = bnxt_hwrm_tunnel_redirect(bp, filter->tunnel_type);
1305 rte_flow_error_set(error, -ret,
1306 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1307 "Unable to redirect tunnel to VF");
1310 vnic = &bp->vnic_info[0];
1314 if (filter->filter_type == HWRM_CFA_EM_FILTER) {
1316 HWRM_CFA_EM_FLOW_ALLOC_INPUT_ENABLES_L2_FILTER_ID;
1317 ret = bnxt_hwrm_set_em_filter(bp, filter->dst_id, filter);
1320 if (filter->filter_type == HWRM_CFA_NTUPLE_FILTER) {
1322 HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_ENABLES_L2_FILTER_ID;
1323 ret = bnxt_hwrm_set_ntuple_filter(bp, filter->dst_id, filter);
1326 for (i = 0; i < bp->max_vnics; i++) {
1327 vnic = &bp->vnic_info[i];
1328 if (vnic->fw_vnic_id != INVALID_VNIC_ID &&
1329 filter->dst_id == vnic->fw_vnic_id) {
1330 PMD_DRV_LOG(ERR, "Found matching VNIC Id %d\n",
1337 flow->filter = filter;
1339 /* VNIC is set only in case of queue or RSS action */
1342 * RxQ0 is not used for flow filters.
1349 STAILQ_INSERT_TAIL(&vnic->filter, filter, next);
1351 PMD_DRV_LOG(ERR, "Successfully created flow.\n");
1352 STAILQ_INSERT_TAIL(&vnic->flow_list, flow, next);
1356 flow->filter = filter;
1362 PMD_DRV_LOG(ERR, "Successfully created flow.\n");
1363 STAILQ_INSERT_TAIL(&vnic->flow_list, flow, next);
1367 bnxt_free_filter(bp, filter);
1370 rte_flow_error_set(error, ret,
1371 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1372 "Matching Flow exists.");
1373 else if (ret == -EXDEV)
1374 rte_flow_error_set(error, ret,
1375 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1376 "Flow with pattern exists, updating destination queue");
1377 else if (!rte_errno)
1378 rte_flow_error_set(error, -ret,
1379 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1380 "Failed to create flow.");
1386 static int bnxt_handle_tunnel_redirect_destroy(struct bnxt *bp,
1387 struct bnxt_filter_info *filter,
1388 struct rte_flow_error *error)
1390 uint16_t tun_dst_fid;
1394 ret = bnxt_hwrm_tunnel_redirect_query(bp, &tun_type);
1396 rte_flow_error_set(error, -ret,
1397 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1398 "Unable to query tunnel to VF");
1401 if (tun_type == (1U << filter->tunnel_type)) {
1402 ret = bnxt_hwrm_tunnel_redirect_info(bp, filter->tunnel_type,
1405 rte_flow_error_set(error, -ret,
1406 RTE_FLOW_ERROR_TYPE_HANDLE,
1408 "tunnel_redirect info cmd fail");
1411 PMD_DRV_LOG(INFO, "Pre-existing tunnel fid = %x vf->fid = %x\n",
1412 tun_dst_fid + bp->first_vf_id, bp->fw_fid);
1414 /* Tunnel doesn't belong to this VF, so don't send HWRM
1415 * cmd, just delete the flow from driver
1417 if (bp->fw_fid != (tun_dst_fid + bp->first_vf_id))
1419 "Tunnel does not belong to this VF, skip hwrm_tunnel_redirect_free\n");
1421 ret = bnxt_hwrm_tunnel_redirect_free(bp,
1422 filter->tunnel_type);
1428 bnxt_flow_destroy(struct rte_eth_dev *dev,
1429 struct rte_flow *flow,
1430 struct rte_flow_error *error)
1432 struct bnxt *bp = dev->data->dev_private;
1433 struct bnxt_filter_info *filter = flow->filter;
1434 struct bnxt_vnic_info *vnic = flow->vnic;
1442 if (filter->filter_type == HWRM_CFA_TUNNEL_REDIRECT_FILTER &&
1443 filter->enables == filter->tunnel_type) {
1444 ret = bnxt_handle_tunnel_redirect_destroy(bp,
1453 ret = bnxt_match_filter(bp, filter);
1455 PMD_DRV_LOG(ERR, "Could not find matching flow\n");
1456 if (filter->filter_type == HWRM_CFA_EM_FILTER)
1457 ret = bnxt_hwrm_clear_em_filter(bp, filter);
1458 if (filter->filter_type == HWRM_CFA_NTUPLE_FILTER)
1459 ret = bnxt_hwrm_clear_ntuple_filter(bp, filter);
1461 ret = bnxt_hwrm_clear_l2_filter(bp, filter);
1465 bnxt_free_filter(bp, filter);
1466 STAILQ_REMOVE(&vnic->flow_list, flow, rte_flow, next);
1469 rte_flow_error_set(error, -ret,
1470 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1471 "Failed to destroy flow.");
1478 bnxt_flow_flush(struct rte_eth_dev *dev, struct rte_flow_error *error)
1480 struct bnxt *bp = dev->data->dev_private;
1481 struct bnxt_vnic_info *vnic;
1482 struct rte_flow *flow;
1486 for (i = 0; i < bp->nr_vnics; i++) {
1487 vnic = &bp->vnic_info[i];
1488 STAILQ_FOREACH(flow, &vnic->flow_list, next) {
1489 struct bnxt_filter_info *filter = flow->filter;
1491 if (filter->filter_type ==
1492 HWRM_CFA_TUNNEL_REDIRECT_FILTER &&
1493 filter->enables == filter->tunnel_type) {
1495 bnxt_handle_tunnel_redirect_destroy(bp,
1504 if (filter->filter_type == HWRM_CFA_EM_FILTER)
1505 ret = bnxt_hwrm_clear_em_filter(bp, filter);
1506 if (filter->filter_type == HWRM_CFA_NTUPLE_FILTER)
1507 ret = bnxt_hwrm_clear_ntuple_filter(bp, filter);
1513 RTE_FLOW_ERROR_TYPE_HANDLE,
1515 "Failed to flush flow in HW.");
1519 bnxt_free_filter(bp, filter);
1520 STAILQ_REMOVE(&vnic->flow_list, flow,
1529 const struct rte_flow_ops bnxt_flow_ops = {
1530 .validate = bnxt_flow_validate,
1531 .create = bnxt_flow_create,
1532 .destroy = bnxt_flow_destroy,
1533 .flush = bnxt_flow_flush,