1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2014-2021 Broadcom
9 #include <rte_malloc.h>
11 #include <rte_flow_driver.h>
12 #include <rte_tailq.h>
13 #include <rte_alarm.h>
14 #include <rte_cycles.h>
17 #include "bnxt_filter.h"
18 #include "bnxt_hwrm.h"
19 #include "bnxt_ring.h"
22 #include "bnxt_vnic.h"
23 #include "hsi_struct_def_dpdk.h"
26 bnxt_flow_args_validate(const struct rte_flow_attr *attr,
27 const struct rte_flow_item pattern[],
28 const struct rte_flow_action actions[],
29 struct rte_flow_error *error)
32 rte_flow_error_set(error,
34 RTE_FLOW_ERROR_TYPE_ITEM_NUM,
41 rte_flow_error_set(error,
43 RTE_FLOW_ERROR_TYPE_ACTION_NUM,
50 rte_flow_error_set(error,
52 RTE_FLOW_ERROR_TYPE_ATTR,
61 static const struct rte_flow_item *
62 bnxt_flow_non_void_item(const struct rte_flow_item *cur)
65 if (cur->type != RTE_FLOW_ITEM_TYPE_VOID)
71 static const struct rte_flow_action *
72 bnxt_flow_non_void_action(const struct rte_flow_action *cur)
75 if (cur->type != RTE_FLOW_ACTION_TYPE_VOID)
82 bnxt_filter_type_check(const struct rte_flow_item pattern[],
83 struct rte_flow_error *error)
85 const struct rte_flow_item *item =
86 bnxt_flow_non_void_item(pattern);
90 while (item->type != RTE_FLOW_ITEM_TYPE_END) {
92 case RTE_FLOW_ITEM_TYPE_ANY:
93 case RTE_FLOW_ITEM_TYPE_ETH:
96 case RTE_FLOW_ITEM_TYPE_VLAN:
100 case RTE_FLOW_ITEM_TYPE_IPV4:
101 case RTE_FLOW_ITEM_TYPE_IPV6:
102 case RTE_FLOW_ITEM_TYPE_TCP:
103 case RTE_FLOW_ITEM_TYPE_UDP:
105 /* need ntuple match, reset exact match */
109 PMD_DRV_LOG(DEBUG, "Unknown Flow type\n");
115 if (has_vlan && use_ntuple) {
117 "VLAN flow cannot use NTUPLE filter\n");
118 rte_flow_error_set(error, EINVAL,
119 RTE_FLOW_ERROR_TYPE_ITEM,
121 "Cannot use VLAN with NTUPLE");
129 bnxt_validate_and_parse_flow_type(struct bnxt *bp,
130 const struct rte_flow_attr *attr,
131 const struct rte_flow_item pattern[],
132 struct rte_flow_error *error,
133 struct bnxt_filter_info *filter)
135 const struct rte_flow_item *item = bnxt_flow_non_void_item(pattern);
136 const struct rte_flow_item_vlan *vlan_spec, *vlan_mask;
137 const struct rte_flow_item_ipv4 *ipv4_spec, *ipv4_mask;
138 const struct rte_flow_item_ipv6 *ipv6_spec, *ipv6_mask;
139 const struct rte_flow_item_tcp *tcp_spec, *tcp_mask;
140 const struct rte_flow_item_udp *udp_spec, *udp_mask;
141 const struct rte_flow_item_eth *eth_spec, *eth_mask;
142 const struct rte_ether_addr *dst, *src;
143 const struct rte_flow_item_nvgre *nvgre_spec;
144 const struct rte_flow_item_nvgre *nvgre_mask;
145 const struct rte_flow_item_gre *gre_spec;
146 const struct rte_flow_item_gre *gre_mask;
147 const struct rte_flow_item_vxlan *vxlan_spec;
148 const struct rte_flow_item_vxlan *vxlan_mask;
149 uint8_t vni_mask[] = {0xFF, 0xFF, 0xFF};
150 uint8_t tni_mask[] = {0xFF, 0xFF, 0xFF};
151 const struct rte_flow_item_vf *vf_spec;
152 uint32_t tenant_id_be = 0, valid_flags = 0;
155 uint32_t en_ethertype;
162 use_ntuple = bnxt_filter_type_check(pattern, error);
165 PMD_DRV_LOG(DEBUG, "Use NTUPLE %d\n", use_ntuple);
167 filter->filter_type = use_ntuple ?
168 HWRM_CFA_NTUPLE_FILTER : HWRM_CFA_L2_FILTER;
169 en_ethertype = use_ntuple ?
170 NTUPLE_FLTR_ALLOC_INPUT_EN_ETHERTYPE :
171 EM_FLOW_ALLOC_INPUT_EN_ETHERTYPE;
173 while (item->type != RTE_FLOW_ITEM_TYPE_END) {
175 /* last or range is NOT supported as match criteria */
176 rte_flow_error_set(error, EINVAL,
177 RTE_FLOW_ERROR_TYPE_ITEM,
179 "No support for range");
183 switch (item->type) {
184 case RTE_FLOW_ITEM_TYPE_ANY:
186 ((const struct rte_flow_item_any *)item->spec)->num > 3;
188 PMD_DRV_LOG(DEBUG, "Parse inner header\n");
190 case RTE_FLOW_ITEM_TYPE_ETH:
194 eth_spec = item->spec;
197 eth_mask = item->mask;
199 eth_mask = &rte_flow_item_eth_mask;
201 /* Source MAC address mask cannot be partially set.
202 * Should be All 0's or all 1's.
203 * Destination MAC address mask must not be partially
204 * set. Should be all 1's or all 0's.
206 if ((!rte_is_zero_ether_addr(ð_mask->src) &&
207 !rte_is_broadcast_ether_addr(ð_mask->src)) ||
208 (!rte_is_zero_ether_addr(ð_mask->dst) &&
209 !rte_is_broadcast_ether_addr(ð_mask->dst))) {
210 rte_flow_error_set(error,
212 RTE_FLOW_ERROR_TYPE_ITEM,
214 "MAC_addr mask not valid");
218 /* Mask is not allowed. Only exact matches are */
219 if (eth_mask->type &&
220 eth_mask->type != RTE_BE16(0xffff)) {
221 rte_flow_error_set(error, EINVAL,
222 RTE_FLOW_ERROR_TYPE_ITEM,
224 "ethertype mask not valid");
228 if (rte_is_broadcast_ether_addr(ð_mask->dst)) {
229 dst = ð_spec->dst;
230 if (!rte_is_valid_assigned_ether_addr(dst)) {
231 rte_flow_error_set(error,
233 RTE_FLOW_ERROR_TYPE_ITEM,
237 "DMAC is invalid!\n");
240 rte_memcpy(filter->dst_macaddr,
241 ð_spec->dst, RTE_ETHER_ADDR_LEN);
243 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_MACADDR :
244 EM_FLOW_ALLOC_INPUT_EN_DST_MACADDR;
245 valid_flags |= inner ?
246 BNXT_FLOW_L2_INNER_DST_VALID_FLAG :
247 BNXT_FLOW_L2_DST_VALID_FLAG;
248 filter->priority = attr->priority;
250 "Creating a priority flow\n");
252 if (rte_is_broadcast_ether_addr(ð_mask->src)) {
253 src = ð_spec->src;
254 if (!rte_is_valid_assigned_ether_addr(src)) {
255 rte_flow_error_set(error,
257 RTE_FLOW_ERROR_TYPE_ITEM,
261 "SMAC is invalid!\n");
264 rte_memcpy(filter->src_macaddr,
265 ð_spec->src, RTE_ETHER_ADDR_LEN);
267 NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_MACADDR :
268 EM_FLOW_ALLOC_INPUT_EN_SRC_MACADDR;
269 valid_flags |= inner ?
270 BNXT_FLOW_L2_INNER_SRC_VALID_FLAG :
271 BNXT_FLOW_L2_SRC_VALID_FLAG;
274 * PMD_DRV_LOG(ERR, "Handle this condition\n");
277 if (eth_mask->type) {
279 rte_be_to_cpu_16(eth_spec->type);
283 valid_flags |= BNXT_FLOW_PARSE_INNER_FLAG;
286 case RTE_FLOW_ITEM_TYPE_VLAN:
287 vlan_spec = item->spec;
290 vlan_mask = item->mask;
292 vlan_mask = &rte_flow_item_vlan_mask;
294 if (en & en_ethertype) {
295 rte_flow_error_set(error, EINVAL,
296 RTE_FLOW_ERROR_TYPE_ITEM,
298 "VLAN TPID matching is not"
302 if (vlan_mask->tci &&
303 vlan_mask->tci == RTE_BE16(0x0fff)) {
304 /* Only the VLAN ID can be matched. */
306 rte_be_to_cpu_16(vlan_spec->tci &
308 en |= EM_FLOW_ALLOC_INPUT_EN_OVLAN_VID;
310 rte_flow_error_set(error,
312 RTE_FLOW_ERROR_TYPE_ITEM,
314 "VLAN mask is invalid");
317 if (vlan_mask->inner_type &&
318 vlan_mask->inner_type != RTE_BE16(0xffff)) {
319 rte_flow_error_set(error, EINVAL,
320 RTE_FLOW_ERROR_TYPE_ITEM,
322 "inner ethertype mask not"
326 if (vlan_mask->inner_type) {
328 rte_be_to_cpu_16(vlan_spec->inner_type);
333 case RTE_FLOW_ITEM_TYPE_IPV4:
334 /* If mask is not involved, we could use EM filters. */
335 ipv4_spec = item->spec;
341 ipv4_mask = item->mask;
343 ipv4_mask = &rte_flow_item_ipv4_mask;
345 /* Only IP DST and SRC fields are maskable. */
346 if (ipv4_mask->hdr.version_ihl ||
347 ipv4_mask->hdr.type_of_service ||
348 ipv4_mask->hdr.total_length ||
349 ipv4_mask->hdr.packet_id ||
350 ipv4_mask->hdr.fragment_offset ||
351 ipv4_mask->hdr.time_to_live ||
352 ipv4_mask->hdr.next_proto_id ||
353 ipv4_mask->hdr.hdr_checksum) {
354 rte_flow_error_set(error,
356 RTE_FLOW_ERROR_TYPE_ITEM,
358 "Invalid IPv4 mask.");
362 filter->dst_ipaddr[0] = ipv4_spec->hdr.dst_addr;
363 filter->src_ipaddr[0] = ipv4_spec->hdr.src_addr;
366 en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR |
367 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR;
369 en |= EM_FLOW_ALLOC_INPUT_EN_SRC_IPADDR |
370 EM_FLOW_ALLOC_INPUT_EN_DST_IPADDR;
372 if (ipv4_mask->hdr.src_addr) {
373 filter->src_ipaddr_mask[0] =
374 ipv4_mask->hdr.src_addr;
375 en |= !use_ntuple ? 0 :
376 NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR_MASK;
379 if (ipv4_mask->hdr.dst_addr) {
380 filter->dst_ipaddr_mask[0] =
381 ipv4_mask->hdr.dst_addr;
382 en |= !use_ntuple ? 0 :
383 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR_MASK;
386 filter->ip_addr_type = use_ntuple ?
387 HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_IP_ADDR_TYPE_IPV4 :
388 HWRM_CFA_EM_FLOW_ALLOC_INPUT_IP_ADDR_TYPE_IPV4;
390 if (ipv4_spec->hdr.next_proto_id) {
391 filter->ip_protocol =
392 ipv4_spec->hdr.next_proto_id;
394 en |= NTUPLE_FLTR_ALLOC_IN_EN_IP_PROTO;
396 en |= EM_FLOW_ALLOC_INPUT_EN_IP_PROTO;
399 case RTE_FLOW_ITEM_TYPE_IPV6:
400 ipv6_spec = item->spec;
406 ipv6_mask = item->mask;
408 ipv6_mask = &rte_flow_item_ipv6_mask;
410 /* Only IP DST and SRC fields are maskable. */
411 if (ipv6_mask->hdr.vtc_flow ||
412 ipv6_mask->hdr.payload_len ||
413 ipv6_mask->hdr.proto ||
414 ipv6_mask->hdr.hop_limits) {
415 rte_flow_error_set(error,
417 RTE_FLOW_ERROR_TYPE_ITEM,
419 "Invalid IPv6 mask.");
424 en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR |
425 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR;
427 en |= EM_FLOW_ALLOC_INPUT_EN_SRC_IPADDR |
428 EM_FLOW_ALLOC_INPUT_EN_DST_IPADDR;
430 rte_memcpy(filter->src_ipaddr,
431 ipv6_spec->hdr.src_addr, 16);
432 rte_memcpy(filter->dst_ipaddr,
433 ipv6_spec->hdr.dst_addr, 16);
435 if (!bnxt_check_zero_bytes(ipv6_mask->hdr.src_addr,
437 rte_memcpy(filter->src_ipaddr_mask,
438 ipv6_mask->hdr.src_addr, 16);
439 en |= !use_ntuple ? 0 :
440 NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR_MASK;
443 if (!bnxt_check_zero_bytes(ipv6_mask->hdr.dst_addr,
445 rte_memcpy(filter->dst_ipaddr_mask,
446 ipv6_mask->hdr.dst_addr, 16);
447 en |= !use_ntuple ? 0 :
448 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR_MASK;
451 filter->ip_addr_type = use_ntuple ?
452 NTUPLE_FLTR_ALLOC_INPUT_IP_ADDR_TYPE_IPV6 :
453 EM_FLOW_ALLOC_INPUT_IP_ADDR_TYPE_IPV6;
455 case RTE_FLOW_ITEM_TYPE_TCP:
456 tcp_spec = item->spec;
462 tcp_mask = item->mask;
464 tcp_mask = &rte_flow_item_tcp_mask;
466 /* Check TCP mask. Only DST & SRC ports are maskable */
467 if (tcp_mask->hdr.sent_seq ||
468 tcp_mask->hdr.recv_ack ||
469 tcp_mask->hdr.data_off ||
470 tcp_mask->hdr.tcp_flags ||
471 tcp_mask->hdr.rx_win ||
472 tcp_mask->hdr.cksum ||
473 tcp_mask->hdr.tcp_urp) {
474 rte_flow_error_set(error,
476 RTE_FLOW_ERROR_TYPE_ITEM,
482 filter->src_port = tcp_spec->hdr.src_port;
483 filter->dst_port = tcp_spec->hdr.dst_port;
486 en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_PORT |
487 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_PORT;
489 en |= EM_FLOW_ALLOC_INPUT_EN_SRC_PORT |
490 EM_FLOW_ALLOC_INPUT_EN_DST_PORT;
492 if (tcp_mask->hdr.dst_port) {
493 filter->dst_port_mask = tcp_mask->hdr.dst_port;
494 en |= !use_ntuple ? 0 :
495 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_PORT_MASK;
498 if (tcp_mask->hdr.src_port) {
499 filter->src_port_mask = tcp_mask->hdr.src_port;
500 en |= !use_ntuple ? 0 :
501 NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_PORT_MASK;
504 case RTE_FLOW_ITEM_TYPE_UDP:
505 udp_spec = item->spec;
511 udp_mask = item->mask;
513 udp_mask = &rte_flow_item_udp_mask;
515 if (udp_mask->hdr.dgram_len ||
516 udp_mask->hdr.dgram_cksum) {
517 rte_flow_error_set(error,
519 RTE_FLOW_ERROR_TYPE_ITEM,
525 filter->src_port = udp_spec->hdr.src_port;
526 filter->dst_port = udp_spec->hdr.dst_port;
529 en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_PORT |
530 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_PORT;
532 en |= EM_FLOW_ALLOC_INPUT_EN_SRC_PORT |
533 EM_FLOW_ALLOC_INPUT_EN_DST_PORT;
535 if (udp_mask->hdr.dst_port) {
536 filter->dst_port_mask = udp_mask->hdr.dst_port;
537 en |= !use_ntuple ? 0 :
538 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_PORT_MASK;
541 if (udp_mask->hdr.src_port) {
542 filter->src_port_mask = udp_mask->hdr.src_port;
543 en |= !use_ntuple ? 0 :
544 NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_PORT_MASK;
547 case RTE_FLOW_ITEM_TYPE_VXLAN:
548 vxlan_spec = item->spec;
549 vxlan_mask = item->mask;
550 /* Check if VXLAN item is used to describe protocol.
551 * If yes, both spec and mask should be NULL.
552 * If no, both spec and mask shouldn't be NULL.
554 if ((!vxlan_spec && vxlan_mask) ||
555 (vxlan_spec && !vxlan_mask)) {
556 rte_flow_error_set(error,
558 RTE_FLOW_ERROR_TYPE_ITEM,
560 "Invalid VXLAN item");
564 if (!vxlan_spec && !vxlan_mask) {
565 filter->tunnel_type =
566 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_VXLAN;
570 if (vxlan_spec->rsvd1 || vxlan_spec->rsvd0[0] ||
571 vxlan_spec->rsvd0[1] || vxlan_spec->rsvd0[2] ||
572 vxlan_spec->flags != 0x8) {
573 rte_flow_error_set(error,
575 RTE_FLOW_ERROR_TYPE_ITEM,
577 "Invalid VXLAN item");
581 /* Check if VNI is masked. */
582 if (vxlan_mask != NULL) {
584 !!memcmp(vxlan_mask->vni, vni_mask,
590 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_VXLAN;
604 case RTE_FLOW_ITEM_TYPE_NVGRE:
605 nvgre_spec = item->spec;
606 nvgre_mask = item->mask;
607 /* Check if NVGRE item is used to describe protocol.
608 * If yes, both spec and mask should be NULL.
609 * If no, both spec and mask shouldn't be NULL.
611 if ((!nvgre_spec && nvgre_mask) ||
612 (nvgre_spec && !nvgre_mask)) {
613 rte_flow_error_set(error,
615 RTE_FLOW_ERROR_TYPE_ITEM,
617 "Invalid NVGRE item");
621 if (!nvgre_spec && !nvgre_mask) {
622 filter->tunnel_type =
623 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_NVGRE;
627 if (nvgre_spec->c_k_s_rsvd0_ver != 0x2000 ||
628 nvgre_spec->protocol != 0x6558) {
629 rte_flow_error_set(error,
631 RTE_FLOW_ERROR_TYPE_ITEM,
633 "Invalid NVGRE item");
637 if (nvgre_spec && nvgre_mask) {
639 !!memcmp(nvgre_mask->tni, tni_mask,
645 RTE_FLOW_ERROR_TYPE_ITEM,
650 rte_memcpy(((uint8_t *)&tenant_id_be + 1),
653 rte_be_to_cpu_32(tenant_id_be);
654 filter->tunnel_type =
655 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_NVGRE;
659 case RTE_FLOW_ITEM_TYPE_GRE:
660 gre_spec = (const struct rte_flow_item_gre *)item->spec;
661 gre_mask = (const struct rte_flow_item_gre *)item->mask;
664 *Check if GRE item is used to describe protocol.
665 * If yes, both spec and mask should be NULL.
666 * If no, both spec and mask shouldn't be NULL.
668 if (!!gre_spec ^ !!gre_mask) {
669 rte_flow_error_set(error, EINVAL,
670 RTE_FLOW_ERROR_TYPE_ITEM,
676 if (!gre_spec && !gre_mask) {
677 filter->tunnel_type =
678 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_IPGRE;
683 case RTE_FLOW_ITEM_TYPE_VF:
684 vf_spec = item->spec;
687 rte_flow_error_set(error,
689 RTE_FLOW_ERROR_TYPE_ITEM,
691 "Configuring on a VF!");
695 if (vf >= bp->pdev->max_vfs) {
696 rte_flow_error_set(error,
698 RTE_FLOW_ERROR_TYPE_ITEM,
704 if (!attr->transfer) {
705 rte_flow_error_set(error,
707 RTE_FLOW_ERROR_TYPE_ITEM,
709 "Matching VF traffic without"
710 " affecting it (transfer attribute)"
715 filter->mirror_vnic_id =
716 dflt_vnic = bnxt_hwrm_func_qcfg_vf_dflt_vnic_id(bp, vf);
718 /* This simply indicates there's no driver
719 * loaded. This is not an error.
724 RTE_FLOW_ERROR_TYPE_ITEM,
726 "Unable to get default VNIC for VF");
730 filter->mirror_vnic_id = dflt_vnic;
731 en |= NTUPLE_FLTR_ALLOC_INPUT_EN_MIRROR_VNIC_ID;
738 filter->enables = en;
739 filter->valid_flags = valid_flags;
744 /* Parse attributes */
746 bnxt_flow_parse_attr(const struct rte_flow_attr *attr,
747 struct rte_flow_error *error)
749 /* Must be input direction */
750 if (!attr->ingress) {
751 rte_flow_error_set(error,
753 RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
755 "Only support ingress.");
761 rte_flow_error_set(error,
763 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS,
765 "No support for egress.");
772 static struct bnxt_filter_info *
773 bnxt_find_matching_l2_filter(struct bnxt *bp, struct bnxt_filter_info *nf)
775 struct bnxt_filter_info *mf, *f0;
776 struct bnxt_vnic_info *vnic0;
779 vnic0 = BNXT_GET_DEFAULT_VNIC(bp);
780 f0 = STAILQ_FIRST(&vnic0->filter);
782 /* This flow has same DST MAC as the port/l2 filter. */
783 if (memcmp(f0->l2_addr, nf->dst_macaddr, RTE_ETHER_ADDR_LEN) == 0)
786 for (i = bp->max_vnics - 1; i >= 0; i--) {
787 struct bnxt_vnic_info *vnic = &bp->vnic_info[i];
789 if (vnic->fw_vnic_id == INVALID_VNIC_ID)
792 STAILQ_FOREACH(mf, &vnic->filter, next) {
794 if (mf->matching_l2_fltr_ptr)
797 if (mf->ethertype == nf->ethertype &&
798 mf->l2_ovlan == nf->l2_ovlan &&
799 mf->l2_ovlan_mask == nf->l2_ovlan_mask &&
800 mf->l2_ivlan == nf->l2_ivlan &&
801 mf->l2_ivlan_mask == nf->l2_ivlan_mask &&
802 !memcmp(mf->src_macaddr, nf->src_macaddr,
803 RTE_ETHER_ADDR_LEN) &&
804 !memcmp(mf->dst_macaddr, nf->dst_macaddr,
812 static struct bnxt_filter_info *
813 bnxt_create_l2_filter(struct bnxt *bp, struct bnxt_filter_info *nf,
814 struct bnxt_vnic_info *vnic)
816 struct bnxt_filter_info *filter1;
819 /* Alloc new L2 filter.
820 * This flow needs MAC filter which does not match any existing
823 filter1 = bnxt_get_unused_filter(bp);
827 memcpy(filter1, nf, sizeof(*filter1));
829 filter1->flags = HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_XDP_DISABLE;
830 filter1->flags |= HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_PATH_RX;
831 if (nf->valid_flags & BNXT_FLOW_L2_SRC_VALID_FLAG ||
832 nf->valid_flags & BNXT_FLOW_L2_DST_VALID_FLAG) {
834 HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_OUTERMOST;
835 PMD_DRV_LOG(DEBUG, "Create Outer filter\n");
838 if (nf->filter_type == HWRM_CFA_L2_FILTER &&
839 (nf->valid_flags & BNXT_FLOW_L2_SRC_VALID_FLAG ||
840 nf->valid_flags & BNXT_FLOW_L2_INNER_SRC_VALID_FLAG)) {
841 PMD_DRV_LOG(DEBUG, "Create L2 filter for SRC MAC\n");
843 HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_SOURCE_VALID;
844 memcpy(filter1->l2_addr, nf->src_macaddr, RTE_ETHER_ADDR_LEN);
846 PMD_DRV_LOG(DEBUG, "Create L2 filter for DST MAC\n");
847 memcpy(filter1->l2_addr, nf->dst_macaddr, RTE_ETHER_ADDR_LEN);
851 (nf->valid_flags & BNXT_FLOW_L2_DST_VALID_FLAG ||
852 nf->valid_flags & BNXT_FLOW_L2_INNER_DST_VALID_FLAG)) {
853 /* Tell the FW where to place the filter in the table. */
854 if (nf->priority > 65535) {
856 HWRM_CFA_L2_FILTER_ALLOC_INPUT_PRI_HINT_BELOW_FILTER;
857 /* This will place the filter in TCAM */
858 filter1->l2_filter_id_hint = (uint64_t)-1;
862 if (nf->valid_flags & (BNXT_FLOW_L2_DST_VALID_FLAG |
863 BNXT_FLOW_L2_SRC_VALID_FLAG |
864 BNXT_FLOW_L2_INNER_SRC_VALID_FLAG |
865 BNXT_FLOW_L2_INNER_DST_VALID_FLAG)) {
867 HWRM_CFA_L2_FILTER_ALLOC_INPUT_ENABLES_L2_ADDR |
868 L2_FILTER_ALLOC_INPUT_EN_L2_ADDR_MASK;
869 memset(filter1->l2_addr_mask, 0xff, RTE_ETHER_ADDR_LEN);
872 if (nf->valid_flags & BNXT_FLOW_L2_DROP_FLAG) {
874 HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_DROP;
875 if (nf->ethertype == RTE_ETHER_TYPE_IPV4) {
876 /* Num VLANs for drop filter will/should be 0.
877 * If the req is memset to 0, then the count will
878 * be automatically set to 0.
880 if (nf->valid_flags & BNXT_FLOW_PARSE_INNER_FLAG) {
882 L2_FILTER_ALLOC_INPUT_EN_T_NUM_VLANS;
885 L2_FILTER_ALLOC_INPUT_EN_NUM_VLANS;
887 HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_OUTERMOST;
892 rc = bnxt_hwrm_set_l2_filter(bp, vnic->fw_vnic_id,
895 bnxt_free_filter(bp, filter1);
901 struct bnxt_filter_info *
902 bnxt_get_l2_filter(struct bnxt *bp, struct bnxt_filter_info *nf,
903 struct bnxt_vnic_info *vnic)
905 struct bnxt_filter_info *l2_filter = NULL;
907 l2_filter = bnxt_find_matching_l2_filter(bp, nf);
909 l2_filter->l2_ref_cnt++;
911 l2_filter = bnxt_create_l2_filter(bp, nf, vnic);
913 STAILQ_INSERT_TAIL(&vnic->filter, l2_filter, next);
914 l2_filter->vnic = vnic;
917 nf->matching_l2_fltr_ptr = l2_filter;
922 static int bnxt_vnic_prep(struct bnxt *bp, struct bnxt_vnic_info *vnic)
924 struct rte_eth_conf *dev_conf = &bp->eth_dev->data->dev_conf;
925 uint64_t rx_offloads = dev_conf->rxmode.offloads;
928 if (bp->nr_vnics > bp->max_vnics - 1)
931 rc = bnxt_vnic_grp_alloc(bp, vnic);
935 rc = bnxt_hwrm_vnic_alloc(bp, vnic);
937 PMD_DRV_LOG(ERR, "HWRM vnic alloc failure rc: %x\n", rc);
942 /* RSS context is required only when there is more than one RSS ring */
943 if (vnic->rx_queue_cnt > 1) {
944 rc = bnxt_hwrm_vnic_ctx_alloc(bp, vnic, 0 /* ctx_idx 0 */);
947 "HWRM vnic ctx alloc failure: %x\n", rc);
951 PMD_DRV_LOG(DEBUG, "No RSS context required\n");
954 if (rx_offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
955 vnic->vlan_strip = true;
957 vnic->vlan_strip = false;
959 rc = bnxt_hwrm_vnic_cfg(bp, vnic);
963 bnxt_hwrm_vnic_plcmode_cfg(bp, vnic);
969 static int match_vnic_rss_cfg(struct bnxt *bp,
970 struct bnxt_vnic_info *vnic,
971 const struct rte_flow_action_rss *rss)
973 unsigned int match = 0, i;
975 if (vnic->rx_queue_cnt != rss->queue_num)
978 for (i = 0; i < rss->queue_num; i++) {
979 if (!bp->rx_queues[rss->queue[i]]->vnic->rx_queue_cnt &&
980 !bp->rx_queues[rss->queue[i]]->rx_started)
984 for (i = 0; i < vnic->rx_queue_cnt; i++) {
987 for (j = 0; j < vnic->rx_queue_cnt; j++) {
988 if (bp->grp_info[rss->queue[i]].fw_grp_id ==
994 if (match != vnic->rx_queue_cnt) {
996 "VNIC queue count %d vs queues matched %d\n",
997 match, vnic->rx_queue_cnt);
1005 bnxt_update_filter_flags_en(struct bnxt_filter_info *filter,
1006 struct bnxt_filter_info *filter1,
1010 !(filter->valid_flags &
1011 ~(BNXT_FLOW_L2_DST_VALID_FLAG |
1012 BNXT_FLOW_L2_SRC_VALID_FLAG |
1013 BNXT_FLOW_L2_INNER_SRC_VALID_FLAG |
1014 BNXT_FLOW_L2_INNER_DST_VALID_FLAG |
1015 BNXT_FLOW_L2_DROP_FLAG |
1016 BNXT_FLOW_PARSE_INNER_FLAG))) {
1017 filter->flags = filter1->flags;
1018 filter->enables = filter1->enables;
1019 filter->filter_type = HWRM_CFA_L2_FILTER;
1020 memcpy(filter->l2_addr, filter1->l2_addr, RTE_ETHER_ADDR_LEN);
1021 memset(filter->l2_addr_mask, 0xff, RTE_ETHER_ADDR_LEN);
1022 filter->pri_hint = filter1->pri_hint;
1023 filter->l2_filter_id_hint = filter1->l2_filter_id_hint;
1025 filter->fw_l2_filter_id = filter1->fw_l2_filter_id;
1026 filter->l2_ref_cnt = filter1->l2_ref_cnt;
1027 filter->flow_id = filter1->flow_id;
1029 "l2_filter: %p fw_l2_filter_id %" PRIx64 " l2_ref_cnt %u\n",
1030 filter1, filter->fw_l2_filter_id, filter->l2_ref_cnt);
1034 bnxt_validate_and_parse_flow(struct rte_eth_dev *dev,
1035 const struct rte_flow_item pattern[],
1036 const struct rte_flow_action actions[],
1037 const struct rte_flow_attr *attr,
1038 struct rte_flow_error *error,
1039 struct bnxt_filter_info *filter)
1041 const struct rte_flow_action *act =
1042 bnxt_flow_non_void_action(actions);
1043 struct bnxt *bp = dev->data->dev_private;
1044 struct rte_eth_conf *dev_conf = &bp->eth_dev->data->dev_conf;
1045 struct bnxt_vnic_info *vnic = NULL, *vnic0 = NULL;
1046 const struct rte_flow_action_queue *act_q;
1047 const struct rte_flow_action_vf *act_vf;
1048 struct bnxt_filter_info *filter1 = NULL;
1049 const struct rte_flow_action_rss *rss;
1050 struct bnxt_rx_queue *rxq = NULL;
1051 int dflt_vnic, vnic_id;
1052 unsigned int rss_idx;
1057 bnxt_validate_and_parse_flow_type(bp, attr, pattern, error, filter);
1061 rc = bnxt_flow_parse_attr(attr, error);
1065 /* Since we support ingress attribute only - right now. */
1066 if (filter->filter_type == HWRM_CFA_EM_FILTER)
1067 filter->flags = HWRM_CFA_EM_FLOW_ALLOC_INPUT_FLAGS_PATH_RX;
1069 use_ntuple = bnxt_filter_type_check(pattern, error);
1072 switch (act->type) {
1073 case RTE_FLOW_ACTION_TYPE_QUEUE:
1074 /* Allow this flow. Redirect to a VNIC. */
1075 act_q = (const struct rte_flow_action_queue *)act->conf;
1076 if (!act_q->index || act_q->index >= bp->rx_nr_rings) {
1077 rte_flow_error_set(error,
1079 RTE_FLOW_ERROR_TYPE_ACTION,
1081 "Invalid queue ID.");
1085 PMD_DRV_LOG(DEBUG, "Queue index %d\n", act_q->index);
1087 if (use_ntuple && !BNXT_RFS_NEEDS_VNIC(bp)) {
1089 HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_FLAGS_DEST_RFS_RING_IDX;
1090 filter->dst_id = act_q->index;
1091 goto skip_vnic_alloc;
1094 vnic_id = attr->group;
1096 PMD_DRV_LOG(DEBUG, "Group id is 0\n");
1097 vnic_id = act_q->index;
1100 BNXT_VALID_VNIC_OR_RET(bp, vnic_id);
1102 vnic = &bp->vnic_info[vnic_id];
1103 if (vnic->rx_queue_cnt) {
1104 if (vnic->start_grp_id != act_q->index) {
1106 "VNIC already in use\n");
1107 rte_flow_error_set(error,
1109 RTE_FLOW_ERROR_TYPE_ACTION,
1111 "VNIC already in use");
1118 rxq = bp->rx_queues[act_q->index];
1120 if (!(dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS) && rxq &&
1121 vnic->fw_vnic_id != INVALID_HW_RING_ID)
1126 "Queue invalid or used with other VNIC\n");
1127 rte_flow_error_set(error,
1129 RTE_FLOW_ERROR_TYPE_ACTION,
1131 "Queue invalid queue or in use");
1137 rxq->rx_started = 1;
1138 vnic->rx_queue_cnt++;
1139 vnic->start_grp_id = act_q->index;
1140 vnic->end_grp_id = act_q->index;
1141 vnic->func_default = 0; //This is not a default VNIC.
1143 PMD_DRV_LOG(DEBUG, "VNIC found\n");
1145 rc = bnxt_vnic_prep(bp, vnic);
1147 rte_flow_error_set(error,
1149 RTE_FLOW_ERROR_TYPE_ACTION,
1157 "vnic[%d] = %p vnic->fw_grp_ids = %p\n",
1158 act_q->index, vnic, vnic->fw_grp_ids);
1161 vnic->ff_pool_idx = vnic_id;
1163 "Setting vnic ff_idx %d\n", vnic->ff_pool_idx);
1164 filter->dst_id = vnic->fw_vnic_id;
1166 /* For ntuple filter, create the L2 filter with default VNIC.
1167 * The user specified redirect queue will be set while creating
1168 * the ntuple filter in hardware.
1170 vnic0 = BNXT_GET_DEFAULT_VNIC(bp);
1172 filter1 = bnxt_get_l2_filter(bp, filter, vnic0);
1174 filter1 = bnxt_get_l2_filter(bp, filter, vnic);
1175 if (filter1 == NULL) {
1176 rte_flow_error_set(error,
1178 RTE_FLOW_ERROR_TYPE_ACTION,
1180 "Filter not available");
1185 PMD_DRV_LOG(DEBUG, "new fltr: %p l2fltr: %p l2_ref_cnt: %d\n",
1186 filter, filter1, filter1->l2_ref_cnt);
1187 bnxt_update_filter_flags_en(filter, filter1, use_ntuple);
1189 case RTE_FLOW_ACTION_TYPE_DROP:
1190 vnic0 = &bp->vnic_info[0];
1191 filter->dst_id = vnic0->fw_vnic_id;
1192 filter->valid_flags |= BNXT_FLOW_L2_DROP_FLAG;
1193 filter1 = bnxt_get_l2_filter(bp, filter, vnic0);
1194 if (filter1 == NULL) {
1195 rte_flow_error_set(error,
1197 RTE_FLOW_ERROR_TYPE_ACTION,
1199 "Filter not available");
1204 if (filter->filter_type == HWRM_CFA_EM_FILTER)
1206 HWRM_CFA_EM_FLOW_ALLOC_INPUT_FLAGS_DROP;
1207 else if (filter->filter_type == HWRM_CFA_NTUPLE_FILTER)
1209 HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_FLAGS_DROP;
1211 bnxt_update_filter_flags_en(filter, filter1, use_ntuple);
1213 case RTE_FLOW_ACTION_TYPE_COUNT:
1214 vnic0 = &bp->vnic_info[0];
1215 filter1 = bnxt_get_l2_filter(bp, filter, vnic0);
1216 if (filter1 == NULL) {
1217 rte_flow_error_set(error,
1219 RTE_FLOW_ERROR_TYPE_ACTION,
1221 "New filter not available");
1226 filter->fw_l2_filter_id = filter1->fw_l2_filter_id;
1227 filter->flow_id = filter1->flow_id;
1228 filter->flags = HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_FLAGS_METER;
1230 case RTE_FLOW_ACTION_TYPE_VF:
1231 act_vf = (const struct rte_flow_action_vf *)act->conf;
1234 if (filter->tunnel_type ==
1235 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_VXLAN ||
1236 filter->tunnel_type ==
1237 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_IPGRE) {
1238 /* If issued on a VF, ensure id is 0 and is trusted */
1240 if (!BNXT_VF_IS_TRUSTED(bp) || vf) {
1241 rte_flow_error_set(error, EINVAL,
1242 RTE_FLOW_ERROR_TYPE_ACTION,
1250 filter->enables |= filter->tunnel_type;
1251 filter->filter_type = HWRM_CFA_TUNNEL_REDIRECT_FILTER;
1255 if (vf >= bp->pdev->max_vfs) {
1256 rte_flow_error_set(error,
1258 RTE_FLOW_ERROR_TYPE_ACTION,
1260 "Incorrect VF id!");
1265 filter->mirror_vnic_id =
1266 dflt_vnic = bnxt_hwrm_func_qcfg_vf_dflt_vnic_id(bp, vf);
1267 if (dflt_vnic < 0) {
1268 /* This simply indicates there's no driver loaded.
1269 * This is not an error.
1271 rte_flow_error_set(error,
1273 RTE_FLOW_ERROR_TYPE_ACTION,
1275 "Unable to get default VNIC for VF");
1280 filter->mirror_vnic_id = dflt_vnic;
1281 filter->enables |= NTUPLE_FLTR_ALLOC_INPUT_EN_MIRROR_VNIC_ID;
1283 vnic0 = &bp->vnic_info[0];
1284 filter1 = bnxt_get_l2_filter(bp, filter, vnic0);
1285 if (filter1 == NULL) {
1286 rte_flow_error_set(error,
1288 RTE_FLOW_ERROR_TYPE_ACTION,
1290 "New filter not available");
1295 filter->fw_l2_filter_id = filter1->fw_l2_filter_id;
1296 filter->flow_id = filter1->flow_id;
1298 case RTE_FLOW_ACTION_TYPE_RSS:
1299 rss = (const struct rte_flow_action_rss *)act->conf;
1301 vnic_id = attr->group;
1303 BNXT_VALID_VNIC_OR_RET(bp, vnic_id);
1304 vnic = &bp->vnic_info[vnic_id];
1306 /* Check if requested RSS config matches RSS config of VNIC
1307 * only if it is not a fresh VNIC configuration.
1308 * Otherwise the existing VNIC configuration can be used.
1310 if (vnic->rx_queue_cnt) {
1311 rc = match_vnic_rss_cfg(bp, vnic, rss);
1314 "VNIC and RSS config mismatch\n");
1315 rte_flow_error_set(error,
1317 RTE_FLOW_ERROR_TYPE_ACTION,
1319 "VNIC and RSS cfg mismatch");
1326 for (i = 0; i < rss->queue_num; i++) {
1327 PMD_DRV_LOG(DEBUG, "RSS action Queue %d\n",
1330 if (!rss->queue[i] ||
1331 rss->queue[i] >= bp->rx_nr_rings ||
1332 !bp->rx_queues[rss->queue[i]]) {
1333 rte_flow_error_set(error,
1335 RTE_FLOW_ERROR_TYPE_ACTION,
1337 "Invalid queue ID for RSS");
1341 rxq = bp->rx_queues[rss->queue[i]];
1343 if (bp->vnic_info[0].fw_grp_ids[rss->queue[i]] !=
1344 INVALID_HW_RING_ID) {
1346 "queue active with other VNIC\n");
1347 rte_flow_error_set(error,
1349 RTE_FLOW_ERROR_TYPE_ACTION,
1351 "Invalid queue ID for RSS");
1357 rxq->rx_started = 1;
1358 vnic->rx_queue_cnt++;
1361 vnic->start_grp_id = rss->queue[0];
1362 vnic->end_grp_id = rss->queue[rss->queue_num - 1];
1363 vnic->func_default = 0; //This is not a default VNIC.
1365 rc = bnxt_vnic_prep(bp, vnic);
1367 rte_flow_error_set(error,
1369 RTE_FLOW_ERROR_TYPE_ACTION,
1377 "vnic[%d] = %p vnic->fw_grp_ids = %p\n",
1378 vnic_id, vnic, vnic->fw_grp_ids);
1380 vnic->ff_pool_idx = vnic_id;
1382 "Setting vnic ff_pool_idx %d\n", vnic->ff_pool_idx);
1384 /* This can be done only after vnic_grp_alloc is done. */
1385 for (i = 0; i < vnic->rx_queue_cnt; i++) {
1386 vnic->fw_grp_ids[i] =
1387 bp->grp_info[rss->queue[i]].fw_grp_id;
1388 /* Make sure vnic0 does not use these rings. */
1389 bp->vnic_info[0].fw_grp_ids[rss->queue[i]] =
1393 for (rss_idx = 0; rss_idx < HW_HASH_INDEX_SIZE; ) {
1394 for (i = 0; i < vnic->rx_queue_cnt; i++)
1395 vnic->rss_table[rss_idx++] =
1396 vnic->fw_grp_ids[i];
1399 /* Configure RSS only if the queue count is > 1 */
1400 if (vnic->rx_queue_cnt > 1) {
1402 bnxt_rte_to_hwrm_hash_types(rss->types);
1404 bnxt_rte_to_hwrm_hash_level(bp, rss->types, rss->level);
1406 if (!rss->key_len) {
1407 /* If hash key has not been specified,
1408 * use random hash key.
1410 bnxt_prandom_bytes(vnic->rss_hash_key,
1413 if (rss->key_len > HW_HASH_KEY_SIZE)
1414 memcpy(vnic->rss_hash_key,
1418 memcpy(vnic->rss_hash_key,
1422 bnxt_hwrm_vnic_rss_cfg(bp, vnic);
1424 PMD_DRV_LOG(DEBUG, "No RSS config required\n");
1428 filter->dst_id = vnic->fw_vnic_id;
1429 filter1 = bnxt_get_l2_filter(bp, filter, vnic);
1430 if (filter1 == NULL) {
1431 rte_flow_error_set(error,
1433 RTE_FLOW_ERROR_TYPE_ACTION,
1435 "New filter not available");
1440 PMD_DRV_LOG(DEBUG, "L2 filter created\n");
1441 bnxt_update_filter_flags_en(filter, filter1, use_ntuple);
1443 case RTE_FLOW_ACTION_TYPE_MARK:
1444 if (bp->mark_table == NULL) {
1445 rte_flow_error_set(error,
1447 RTE_FLOW_ERROR_TYPE_ACTION,
1449 "Mark table not allocated.");
1454 if (bp->flags & BNXT_FLAG_RX_VECTOR_PKT_MODE) {
1456 "Disabling vector processing for mark\n");
1457 bp->eth_dev->rx_pkt_burst = bnxt_recv_pkts;
1458 bp->flags &= ~BNXT_FLAG_RX_VECTOR_PKT_MODE;
1461 filter->valid_flags |= BNXT_FLOW_MARK_FLAG;
1462 filter->mark = ((const struct rte_flow_action_mark *)
1464 PMD_DRV_LOG(DEBUG, "Mark the flow %d\n", filter->mark);
1467 rte_flow_error_set(error,
1469 RTE_FLOW_ERROR_TYPE_ACTION,
1477 act = bnxt_flow_non_void_action(++act);
1478 while (act->type != RTE_FLOW_ACTION_TYPE_END)
1485 bnxt_hwrm_clear_l2_filter(bp, filter1);
1486 bnxt_free_filter(bp, filter1);
1490 if (vnic && STAILQ_EMPTY(&vnic->filter))
1491 vnic->rx_queue_cnt = 0;
1493 if (rxq && !vnic->rx_queue_cnt)
1494 rxq->vnic = &bp->vnic_info[0];
1500 struct bnxt_vnic_info *find_matching_vnic(struct bnxt *bp,
1501 struct bnxt_filter_info *filter)
1503 struct bnxt_vnic_info *vnic = NULL;
1506 for (i = 0; i < bp->max_vnics; i++) {
1507 vnic = &bp->vnic_info[i];
1508 if (vnic->fw_vnic_id != INVALID_VNIC_ID &&
1509 filter->dst_id == vnic->fw_vnic_id) {
1510 PMD_DRV_LOG(DEBUG, "Found matching VNIC Id %d\n",
1519 bnxt_flow_validate(struct rte_eth_dev *dev,
1520 const struct rte_flow_attr *attr,
1521 const struct rte_flow_item pattern[],
1522 const struct rte_flow_action actions[],
1523 struct rte_flow_error *error)
1525 struct bnxt *bp = dev->data->dev_private;
1526 struct bnxt_vnic_info *vnic = NULL;
1527 struct bnxt_filter_info *filter;
1530 bnxt_acquire_flow_lock(bp);
1531 ret = bnxt_flow_args_validate(attr, pattern, actions, error);
1533 bnxt_release_flow_lock(bp);
1537 filter = bnxt_get_unused_filter(bp);
1538 if (filter == NULL) {
1539 PMD_DRV_LOG(ERR, "Not enough resources for a new flow.\n");
1540 bnxt_release_flow_lock(bp);
1544 ret = bnxt_validate_and_parse_flow(dev, pattern, actions, attr,
1549 vnic = find_matching_vnic(bp, filter);
1551 if (STAILQ_EMPTY(&vnic->filter)) {
1552 rte_free(vnic->fw_grp_ids);
1553 bnxt_hwrm_vnic_ctx_free(bp, vnic);
1554 bnxt_hwrm_vnic_free(bp, vnic);
1555 vnic->rx_queue_cnt = 0;
1557 PMD_DRV_LOG(DEBUG, "Free VNIC\n");
1561 if (filter->filter_type == HWRM_CFA_EM_FILTER)
1562 bnxt_hwrm_clear_em_filter(bp, filter);
1563 else if (filter->filter_type == HWRM_CFA_NTUPLE_FILTER)
1564 bnxt_hwrm_clear_ntuple_filter(bp, filter);
1566 bnxt_hwrm_clear_l2_filter(bp, filter);
1569 /* No need to hold on to this filter if we are just validating flow */
1570 bnxt_free_filter(bp, filter);
1571 bnxt_release_flow_lock(bp);
1577 bnxt_update_filter(struct bnxt *bp, struct bnxt_filter_info *old_filter,
1578 struct bnxt_filter_info *new_filter)
1580 /* Clear the new L2 filter that was created in the previous step in
1581 * bnxt_validate_and_parse_flow. For L2 filters, we will use the new
1582 * filter which points to the new destination queue and so we clear
1583 * the previous L2 filter. For ntuple filters, we are going to reuse
1584 * the old L2 filter and create new NTUPLE filter with this new
1585 * destination queue subsequently during bnxt_flow_create. So we
1586 * decrement the ref cnt of the L2 filter that would've been bumped
1587 * up previously in bnxt_validate_and_parse_flow as the old n-tuple
1588 * filter that was referencing it will be deleted now.
1590 bnxt_hwrm_clear_l2_filter(bp, old_filter);
1591 if (new_filter->filter_type == HWRM_CFA_L2_FILTER) {
1592 bnxt_hwrm_set_l2_filter(bp, new_filter->dst_id, new_filter);
1594 if (new_filter->filter_type == HWRM_CFA_EM_FILTER)
1595 bnxt_hwrm_clear_em_filter(bp, old_filter);
1596 if (new_filter->filter_type == HWRM_CFA_NTUPLE_FILTER)
1597 bnxt_hwrm_clear_ntuple_filter(bp, old_filter);
1602 bnxt_match_filter(struct bnxt *bp, struct bnxt_filter_info *nf)
1604 struct bnxt_filter_info *mf;
1605 struct rte_flow *flow;
1608 for (i = bp->max_vnics - 1; i >= 0; i--) {
1609 struct bnxt_vnic_info *vnic = &bp->vnic_info[i];
1611 if (vnic->fw_vnic_id == INVALID_VNIC_ID)
1614 STAILQ_FOREACH(flow, &vnic->flow_list, next) {
1617 if (mf->filter_type == nf->filter_type &&
1618 mf->flags == nf->flags &&
1619 mf->src_port == nf->src_port &&
1620 mf->src_port_mask == nf->src_port_mask &&
1621 mf->dst_port == nf->dst_port &&
1622 mf->dst_port_mask == nf->dst_port_mask &&
1623 mf->ip_protocol == nf->ip_protocol &&
1624 mf->ip_addr_type == nf->ip_addr_type &&
1625 mf->ethertype == nf->ethertype &&
1626 mf->vni == nf->vni &&
1627 mf->tunnel_type == nf->tunnel_type &&
1628 mf->l2_ovlan == nf->l2_ovlan &&
1629 mf->l2_ovlan_mask == nf->l2_ovlan_mask &&
1630 mf->l2_ivlan == nf->l2_ivlan &&
1631 mf->l2_ivlan_mask == nf->l2_ivlan_mask &&
1632 !memcmp(mf->l2_addr, nf->l2_addr,
1633 RTE_ETHER_ADDR_LEN) &&
1634 !memcmp(mf->l2_addr_mask, nf->l2_addr_mask,
1635 RTE_ETHER_ADDR_LEN) &&
1636 !memcmp(mf->src_macaddr, nf->src_macaddr,
1637 RTE_ETHER_ADDR_LEN) &&
1638 !memcmp(mf->dst_macaddr, nf->dst_macaddr,
1639 RTE_ETHER_ADDR_LEN) &&
1640 !memcmp(mf->src_ipaddr, nf->src_ipaddr,
1641 sizeof(nf->src_ipaddr)) &&
1642 !memcmp(mf->src_ipaddr_mask, nf->src_ipaddr_mask,
1643 sizeof(nf->src_ipaddr_mask)) &&
1644 !memcmp(mf->dst_ipaddr, nf->dst_ipaddr,
1645 sizeof(nf->dst_ipaddr)) &&
1646 !memcmp(mf->dst_ipaddr_mask, nf->dst_ipaddr_mask,
1647 sizeof(nf->dst_ipaddr_mask))) {
1648 if (mf->dst_id == nf->dst_id)
1650 /* Free the old filter, update flow
1653 bnxt_update_filter(bp, mf, nf);
1654 STAILQ_REMOVE(&vnic->filter, mf,
1655 bnxt_filter_info, next);
1656 STAILQ_INSERT_TAIL(&vnic->filter, nf, next);
1657 bnxt_free_filter(bp, mf);
1667 bnxt_setup_flow_counter(struct bnxt *bp)
1669 if (bp->fw_cap & BNXT_FW_CAP_ADV_FLOW_COUNTERS &&
1670 !(bp->flags & BNXT_FLAG_FC_THREAD) && BNXT_FLOW_XSTATS_EN(bp)) {
1671 rte_eal_alarm_set(US_PER_S * BNXT_FC_TIMER,
1672 bnxt_flow_cnt_alarm_cb,
1674 bp->flags |= BNXT_FLAG_FC_THREAD;
1678 void bnxt_flow_cnt_alarm_cb(void *arg)
1681 struct bnxt *bp = arg;
1683 if (!bp->flow_stat->rx_fc_out_tbl.va) {
1684 PMD_DRV_LOG(ERR, "bp->flow_stat->rx_fc_out_tbl.va is NULL?\n");
1685 bnxt_cancel_fc_thread(bp);
1689 if (!bp->flow_stat->flow_count) {
1690 bnxt_cancel_fc_thread(bp);
1694 if (!bp->eth_dev->data->dev_started) {
1695 bnxt_cancel_fc_thread(bp);
1699 rc = bnxt_flow_stats_req(bp);
1701 PMD_DRV_LOG(ERR, "Flow stat alarm not rescheduled.\n");
1705 rte_eal_alarm_set(US_PER_S * BNXT_FC_TIMER,
1706 bnxt_flow_cnt_alarm_cb,
1711 static struct rte_flow *
1712 bnxt_flow_create(struct rte_eth_dev *dev,
1713 const struct rte_flow_attr *attr,
1714 const struct rte_flow_item pattern[],
1715 const struct rte_flow_action actions[],
1716 struct rte_flow_error *error)
1718 struct bnxt *bp = dev->data->dev_private;
1719 struct bnxt_vnic_info *vnic = NULL;
1720 struct bnxt_filter_info *filter;
1721 bool update_flow = false;
1722 struct rte_flow *flow;
1724 uint32_t tun_type, flow_id;
1726 if (BNXT_VF(bp) && !BNXT_VF_IS_TRUSTED(bp)) {
1727 rte_flow_error_set(error, EINVAL,
1728 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1729 "Failed to create flow, Not a Trusted VF!");
1733 if (!dev->data->dev_started) {
1734 rte_flow_error_set(error,
1736 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
1738 "Device must be started");
1742 flow = rte_zmalloc("bnxt_flow", sizeof(struct rte_flow), 0);
1744 rte_flow_error_set(error, ENOMEM,
1745 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1746 "Failed to allocate memory");
1750 bnxt_acquire_flow_lock(bp);
1751 ret = bnxt_flow_args_validate(attr, pattern, actions, error);
1753 PMD_DRV_LOG(ERR, "Not a validate flow.\n");
1757 filter = bnxt_get_unused_filter(bp);
1758 if (filter == NULL) {
1759 rte_flow_error_set(error, ENOSPC,
1760 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1761 "Not enough resources for a new flow");
1765 ret = bnxt_validate_and_parse_flow(dev, pattern, actions, attr,
1770 ret = bnxt_match_filter(bp, filter);
1771 if (ret == -EEXIST) {
1772 PMD_DRV_LOG(DEBUG, "Flow already exists.\n");
1773 /* Clear the filter that was created as part of
1774 * validate_and_parse_flow() above
1776 bnxt_hwrm_clear_l2_filter(bp, filter);
1778 } else if (ret == -EXDEV) {
1779 PMD_DRV_LOG(DEBUG, "Flow with same pattern exists\n");
1780 PMD_DRV_LOG(DEBUG, "Updating with different destination\n");
1784 /* If tunnel redirection to a VF/PF is specified then only tunnel_type
1785 * is set and enable is set to the tunnel type. Issue hwrm cmd directly
1788 if (filter->filter_type == HWRM_CFA_TUNNEL_REDIRECT_FILTER &&
1789 filter->enables == filter->tunnel_type) {
1790 ret = bnxt_hwrm_tunnel_redirect_query(bp, &tun_type);
1792 rte_flow_error_set(error, -ret,
1793 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1794 "Unable to query tunnel to VF");
1797 if (tun_type == (1U << filter->tunnel_type)) {
1799 bnxt_hwrm_tunnel_redirect_free(bp,
1800 filter->tunnel_type);
1803 "Unable to free existing tunnel\n");
1804 rte_flow_error_set(error, -ret,
1805 RTE_FLOW_ERROR_TYPE_HANDLE,
1807 "Unable to free preexisting "
1812 ret = bnxt_hwrm_tunnel_redirect(bp, filter->tunnel_type);
1814 rte_flow_error_set(error, -ret,
1815 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1816 "Unable to redirect tunnel to VF");
1819 vnic = &bp->vnic_info[0];
1823 if (filter->filter_type == HWRM_CFA_EM_FILTER) {
1825 HWRM_CFA_EM_FLOW_ALLOC_INPUT_ENABLES_L2_FILTER_ID;
1826 ret = bnxt_hwrm_set_em_filter(bp, filter->dst_id, filter);
1828 rte_flow_error_set(error, -ret,
1829 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1830 "Failed to create EM filter");
1835 if (filter->filter_type == HWRM_CFA_NTUPLE_FILTER) {
1837 HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_ENABLES_L2_FILTER_ID;
1838 ret = bnxt_hwrm_set_ntuple_filter(bp, filter->dst_id, filter);
1840 rte_flow_error_set(error, -ret,
1841 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1842 "Failed to create ntuple filter");
1847 if (BNXT_RFS_NEEDS_VNIC(bp))
1848 vnic = find_matching_vnic(bp, filter);
1850 vnic = BNXT_GET_DEFAULT_VNIC(bp);
1852 if (!ret || update_flow) {
1853 flow->filter = filter;
1860 if (filter->valid_flags & BNXT_FLOW_MARK_FLAG) {
1862 "Mark action: mark id 0x%x, flow id 0x%x\n",
1863 filter->mark, filter->flow_id);
1865 /* TCAM and EM should be 16-bit only.
1866 * Other modes not supported.
1868 flow_id = filter->flow_id & BNXT_FLOW_ID_MASK;
1869 if (bp->mark_table[flow_id].valid) {
1870 rte_flow_error_set(error, EEXIST,
1871 RTE_FLOW_ERROR_TYPE_HANDLE,
1873 "Flow with mark id exists");
1874 bnxt_clear_one_vnic_filter(bp, filter);
1877 bp->mark_table[flow_id].valid = true;
1878 bp->mark_table[flow_id].mark_id = filter->mark;
1881 STAILQ_INSERT_TAIL(&vnic->filter, filter, next);
1882 STAILQ_INSERT_TAIL(&vnic->flow_list, flow, next);
1884 if (BNXT_FLOW_XSTATS_EN(bp))
1885 bp->flow_stat->flow_count++;
1886 bnxt_release_flow_lock(bp);
1887 bnxt_setup_flow_counter(bp);
1888 PMD_DRV_LOG(DEBUG, "Successfully created flow.\n");
1893 bnxt_free_filter(bp, filter);
1896 rte_flow_error_set(error, ret,
1897 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1898 "Matching Flow exists.");
1899 else if (ret == -EXDEV)
1900 rte_flow_error_set(error, 0,
1901 RTE_FLOW_ERROR_TYPE_NONE, NULL,
1902 "Flow with pattern exists, updating destination queue");
1903 else if (!rte_errno)
1904 rte_flow_error_set(error, -ret,
1905 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1906 "Failed to create flow.");
1909 bnxt_release_flow_lock(bp);
1913 static int bnxt_handle_tunnel_redirect_destroy(struct bnxt *bp,
1914 struct bnxt_filter_info *filter,
1915 struct rte_flow_error *error)
1917 uint16_t tun_dst_fid;
1921 ret = bnxt_hwrm_tunnel_redirect_query(bp, &tun_type);
1923 rte_flow_error_set(error, -ret,
1924 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1925 "Unable to query tunnel to VF");
1928 if (tun_type == (1U << filter->tunnel_type)) {
1929 ret = bnxt_hwrm_tunnel_redirect_info(bp, filter->tunnel_type,
1932 rte_flow_error_set(error, -ret,
1933 RTE_FLOW_ERROR_TYPE_HANDLE,
1935 "tunnel_redirect info cmd fail");
1938 PMD_DRV_LOG(INFO, "Pre-existing tunnel fid = %x vf->fid = %x\n",
1939 tun_dst_fid + bp->first_vf_id, bp->fw_fid);
1941 /* Tunnel doesn't belong to this VF, so don't send HWRM
1942 * cmd, just delete the flow from driver
1944 if (bp->fw_fid != (tun_dst_fid + bp->first_vf_id))
1946 "Tunnel does not belong to this VF, skip hwrm_tunnel_redirect_free\n");
1948 ret = bnxt_hwrm_tunnel_redirect_free(bp,
1949 filter->tunnel_type);
1955 _bnxt_flow_destroy(struct bnxt *bp,
1956 struct rte_flow *flow,
1957 struct rte_flow_error *error)
1959 struct bnxt_filter_info *filter;
1960 struct bnxt_vnic_info *vnic;
1964 filter = flow->filter;
1967 if (filter->filter_type == HWRM_CFA_TUNNEL_REDIRECT_FILTER &&
1968 filter->enables == filter->tunnel_type) {
1969 ret = bnxt_handle_tunnel_redirect_destroy(bp, filter, error);
1976 ret = bnxt_match_filter(bp, filter);
1978 PMD_DRV_LOG(ERR, "Could not find matching flow\n");
1980 if (filter->valid_flags & BNXT_FLOW_MARK_FLAG) {
1981 flow_id = filter->flow_id & BNXT_FLOW_ID_MASK;
1982 memset(&bp->mark_table[flow_id], 0,
1983 sizeof(bp->mark_table[flow_id]));
1984 filter->flow_id = 0;
1987 ret = bnxt_clear_one_vnic_filter(bp, filter);
1991 /* If it is a L2 drop filter, when the filter is created,
1992 * the FW updates the BC/MC records.
1993 * Once this filter is removed, issue the set_rx_mask command
1994 * to reset the BC/MC records in the HW to the settings
1995 * before the drop counter is created.
1997 if (filter->valid_flags & BNXT_FLOW_L2_DROP_FLAG)
1998 bnxt_set_rx_mask_no_vlan(bp, &bp->vnic_info[0]);
2000 STAILQ_REMOVE(&vnic->filter, filter, bnxt_filter_info, next);
2001 bnxt_free_filter(bp, filter);
2002 STAILQ_REMOVE(&vnic->flow_list, flow, rte_flow, next);
2004 if (BNXT_FLOW_XSTATS_EN(bp))
2005 bp->flow_stat->flow_count--;
2007 /* If this was the last flow associated with this vnic,
2008 * switch the queue back to RSS pool.
2010 if (vnic && !vnic->func_default &&
2011 STAILQ_EMPTY(&vnic->flow_list)) {
2012 rte_free(vnic->fw_grp_ids);
2013 if (vnic->rx_queue_cnt > 1)
2014 bnxt_hwrm_vnic_ctx_free(bp, vnic);
2016 bnxt_hwrm_vnic_free(bp, vnic);
2017 vnic->rx_queue_cnt = 0;
2021 rte_flow_error_set(error, -ret,
2022 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
2023 "Failed to destroy flow.");
2030 bnxt_flow_destroy(struct rte_eth_dev *dev,
2031 struct rte_flow *flow,
2032 struct rte_flow_error *error)
2034 struct bnxt *bp = dev->data->dev_private;
2037 bnxt_acquire_flow_lock(bp);
2039 rte_flow_error_set(error, EINVAL,
2040 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
2041 "Invalid flow: failed to destroy flow.");
2042 bnxt_release_flow_lock(bp);
2046 if (!flow->filter) {
2047 rte_flow_error_set(error, EINVAL,
2048 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
2049 "Invalid flow: failed to destroy flow.");
2050 bnxt_release_flow_lock(bp);
2053 ret = _bnxt_flow_destroy(bp, flow, error);
2054 bnxt_release_flow_lock(bp);
2059 void bnxt_cancel_fc_thread(struct bnxt *bp)
2061 bp->flags &= ~BNXT_FLAG_FC_THREAD;
2062 rte_eal_alarm_cancel(bnxt_flow_cnt_alarm_cb, (void *)bp);
2066 bnxt_flow_flush(struct rte_eth_dev *dev, struct rte_flow_error *error)
2068 struct bnxt *bp = dev->data->dev_private;
2069 struct bnxt_vnic_info *vnic;
2070 struct rte_flow *flow;
2074 bnxt_acquire_flow_lock(bp);
2075 for (i = 0; i < bp->max_vnics; i++) {
2076 vnic = &bp->vnic_info[i];
2077 if (vnic && vnic->fw_vnic_id == INVALID_VNIC_ID)
2080 while (!STAILQ_EMPTY(&vnic->flow_list)) {
2081 flow = STAILQ_FIRST(&vnic->flow_list);
2086 ret = _bnxt_flow_destroy(bp, flow, error);
2092 bnxt_cancel_fc_thread(bp);
2093 bnxt_release_flow_lock(bp);
2098 const struct rte_flow_ops bnxt_flow_ops = {
2099 .validate = bnxt_flow_validate,
2100 .create = bnxt_flow_create,
2101 .destroy = bnxt_flow_destroy,
2102 .flush = bnxt_flow_flush,