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 rc = bnxt_vnic_grp_alloc(bp, vnic);
932 rc = bnxt_hwrm_vnic_alloc(bp, vnic);
934 PMD_DRV_LOG(ERR, "HWRM vnic alloc failure rc: %x\n", rc);
939 /* RSS context is required only when there is more than one RSS ring */
940 if (vnic->rx_queue_cnt > 1) {
941 rc = bnxt_hwrm_vnic_ctx_alloc(bp, vnic, 0 /* ctx_idx 0 */);
944 "HWRM vnic ctx alloc failure: %x\n", rc);
948 PMD_DRV_LOG(DEBUG, "No RSS context required\n");
951 if (rx_offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
952 vnic->vlan_strip = true;
954 vnic->vlan_strip = false;
956 rc = bnxt_hwrm_vnic_cfg(bp, vnic);
960 bnxt_hwrm_vnic_plcmode_cfg(bp, vnic);
966 static int match_vnic_rss_cfg(struct bnxt *bp,
967 struct bnxt_vnic_info *vnic,
968 const struct rte_flow_action_rss *rss)
970 unsigned int match = 0, i;
972 if (vnic->rx_queue_cnt != rss->queue_num)
975 for (i = 0; i < rss->queue_num; i++) {
976 if (!bp->rx_queues[rss->queue[i]]->vnic->rx_queue_cnt &&
977 !bp->rx_queues[rss->queue[i]]->rx_started)
981 for (i = 0; i < vnic->rx_queue_cnt; i++) {
984 for (j = 0; j < vnic->rx_queue_cnt; j++) {
985 if (bp->grp_info[rss->queue[i]].fw_grp_id ==
991 if (match != vnic->rx_queue_cnt) {
993 "VNIC queue count %d vs queues matched %d\n",
994 match, vnic->rx_queue_cnt);
1002 bnxt_update_filter_flags_en(struct bnxt_filter_info *filter,
1003 struct bnxt_filter_info *filter1,
1007 !(filter->valid_flags &
1008 ~(BNXT_FLOW_L2_DST_VALID_FLAG |
1009 BNXT_FLOW_L2_SRC_VALID_FLAG |
1010 BNXT_FLOW_L2_INNER_SRC_VALID_FLAG |
1011 BNXT_FLOW_L2_INNER_DST_VALID_FLAG |
1012 BNXT_FLOW_L2_DROP_FLAG |
1013 BNXT_FLOW_PARSE_INNER_FLAG))) {
1014 filter->flags = filter1->flags;
1015 filter->enables = filter1->enables;
1016 filter->filter_type = HWRM_CFA_L2_FILTER;
1017 memcpy(filter->l2_addr, filter1->l2_addr, RTE_ETHER_ADDR_LEN);
1018 memset(filter->l2_addr_mask, 0xff, RTE_ETHER_ADDR_LEN);
1019 filter->pri_hint = filter1->pri_hint;
1020 filter->l2_filter_id_hint = filter1->l2_filter_id_hint;
1022 filter->fw_l2_filter_id = filter1->fw_l2_filter_id;
1023 filter->l2_ref_cnt = filter1->l2_ref_cnt;
1024 filter->flow_id = filter1->flow_id;
1026 "l2_filter: %p fw_l2_filter_id %" PRIx64 " l2_ref_cnt %u\n",
1027 filter1, filter->fw_l2_filter_id, filter->l2_ref_cnt);
1031 bnxt_validate_and_parse_flow(struct rte_eth_dev *dev,
1032 const struct rte_flow_item pattern[],
1033 const struct rte_flow_action actions[],
1034 const struct rte_flow_attr *attr,
1035 struct rte_flow_error *error,
1036 struct bnxt_filter_info *filter)
1038 const struct rte_flow_action *act =
1039 bnxt_flow_non_void_action(actions);
1040 struct bnxt *bp = dev->data->dev_private;
1041 struct rte_eth_conf *dev_conf = &bp->eth_dev->data->dev_conf;
1042 struct bnxt_vnic_info *vnic = NULL, *vnic0 = NULL;
1043 const struct rte_flow_action_queue *act_q;
1044 const struct rte_flow_action_vf *act_vf;
1045 struct bnxt_filter_info *filter1 = NULL;
1046 const struct rte_flow_action_rss *rss;
1047 struct bnxt_rx_queue *rxq = NULL;
1048 int dflt_vnic, vnic_id;
1049 unsigned int rss_idx;
1054 bnxt_validate_and_parse_flow_type(bp, attr, pattern, error, filter);
1058 rc = bnxt_flow_parse_attr(attr, error);
1062 /* Since we support ingress attribute only - right now. */
1063 if (filter->filter_type == HWRM_CFA_EM_FILTER)
1064 filter->flags = HWRM_CFA_EM_FLOW_ALLOC_INPUT_FLAGS_PATH_RX;
1066 use_ntuple = bnxt_filter_type_check(pattern, error);
1069 switch (act->type) {
1070 case RTE_FLOW_ACTION_TYPE_QUEUE:
1071 /* Allow this flow. Redirect to a VNIC. */
1072 act_q = (const struct rte_flow_action_queue *)act->conf;
1073 if (!act_q->index || act_q->index >= bp->rx_nr_rings) {
1074 rte_flow_error_set(error,
1076 RTE_FLOW_ERROR_TYPE_ACTION,
1078 "Invalid queue ID.");
1082 PMD_DRV_LOG(DEBUG, "Queue index %d\n", act_q->index);
1084 if (use_ntuple && !BNXT_RFS_NEEDS_VNIC(bp)) {
1086 HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_FLAGS_DEST_RFS_RING_IDX;
1087 filter->dst_id = act_q->index;
1088 goto skip_vnic_alloc;
1091 vnic_id = attr->group;
1093 PMD_DRV_LOG(DEBUG, "Group id is 0\n");
1094 vnic_id = act_q->index;
1097 BNXT_VALID_VNIC_OR_RET(bp, vnic_id);
1099 vnic = &bp->vnic_info[vnic_id];
1100 if (vnic->rx_queue_cnt) {
1101 if (vnic->start_grp_id != act_q->index) {
1103 "VNIC already in use\n");
1104 rte_flow_error_set(error,
1106 RTE_FLOW_ERROR_TYPE_ACTION,
1108 "VNIC already in use");
1115 rxq = bp->rx_queues[act_q->index];
1117 if (!(dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS) && rxq &&
1118 vnic->fw_vnic_id != INVALID_HW_RING_ID)
1123 "Queue invalid or used with other VNIC\n");
1124 rte_flow_error_set(error,
1126 RTE_FLOW_ERROR_TYPE_ACTION,
1128 "Queue invalid queue or in use");
1134 rxq->rx_started = 1;
1135 vnic->rx_queue_cnt++;
1136 vnic->start_grp_id = act_q->index;
1137 vnic->end_grp_id = act_q->index;
1138 vnic->func_default = 0; //This is not a default VNIC.
1140 PMD_DRV_LOG(DEBUG, "VNIC found\n");
1142 rc = bnxt_vnic_prep(bp, vnic);
1144 rte_flow_error_set(error,
1146 RTE_FLOW_ERROR_TYPE_ACTION,
1154 "vnic[%d] = %p vnic->fw_grp_ids = %p\n",
1155 act_q->index, vnic, vnic->fw_grp_ids);
1158 vnic->ff_pool_idx = vnic_id;
1160 "Setting vnic ff_idx %d\n", vnic->ff_pool_idx);
1161 filter->dst_id = vnic->fw_vnic_id;
1163 /* For ntuple filter, create the L2 filter with default VNIC.
1164 * The user specified redirect queue will be set while creating
1165 * the ntuple filter in hardware.
1167 vnic0 = BNXT_GET_DEFAULT_VNIC(bp);
1169 filter1 = bnxt_get_l2_filter(bp, filter, vnic0);
1171 filter1 = bnxt_get_l2_filter(bp, filter, vnic);
1172 if (filter1 == NULL) {
1173 rte_flow_error_set(error,
1175 RTE_FLOW_ERROR_TYPE_ACTION,
1177 "Filter not available");
1182 PMD_DRV_LOG(DEBUG, "new fltr: %p l2fltr: %p l2_ref_cnt: %d\n",
1183 filter, filter1, filter1->l2_ref_cnt);
1184 bnxt_update_filter_flags_en(filter, filter1, use_ntuple);
1186 case RTE_FLOW_ACTION_TYPE_DROP:
1187 vnic0 = &bp->vnic_info[0];
1188 filter->dst_id = vnic0->fw_vnic_id;
1189 filter->valid_flags |= BNXT_FLOW_L2_DROP_FLAG;
1190 filter1 = bnxt_get_l2_filter(bp, filter, vnic0);
1191 if (filter1 == NULL) {
1192 rte_flow_error_set(error,
1194 RTE_FLOW_ERROR_TYPE_ACTION,
1196 "Filter not available");
1201 if (filter->filter_type == HWRM_CFA_EM_FILTER)
1203 HWRM_CFA_EM_FLOW_ALLOC_INPUT_FLAGS_DROP;
1204 else if (filter->filter_type == HWRM_CFA_NTUPLE_FILTER)
1206 HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_FLAGS_DROP;
1208 bnxt_update_filter_flags_en(filter, filter1, use_ntuple);
1210 case RTE_FLOW_ACTION_TYPE_COUNT:
1211 vnic0 = &bp->vnic_info[0];
1212 filter1 = bnxt_get_l2_filter(bp, filter, vnic0);
1213 if (filter1 == NULL) {
1214 rte_flow_error_set(error,
1216 RTE_FLOW_ERROR_TYPE_ACTION,
1218 "New filter not available");
1223 filter->fw_l2_filter_id = filter1->fw_l2_filter_id;
1224 filter->flow_id = filter1->flow_id;
1225 filter->flags = HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_FLAGS_METER;
1227 case RTE_FLOW_ACTION_TYPE_VF:
1228 act_vf = (const struct rte_flow_action_vf *)act->conf;
1231 if (filter->tunnel_type ==
1232 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_VXLAN ||
1233 filter->tunnel_type ==
1234 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_IPGRE) {
1235 /* If issued on a VF, ensure id is 0 and is trusted */
1237 if (!BNXT_VF_IS_TRUSTED(bp) || vf) {
1238 rte_flow_error_set(error, EINVAL,
1239 RTE_FLOW_ERROR_TYPE_ACTION,
1247 filter->enables |= filter->tunnel_type;
1248 filter->filter_type = HWRM_CFA_TUNNEL_REDIRECT_FILTER;
1252 if (vf >= bp->pdev->max_vfs) {
1253 rte_flow_error_set(error,
1255 RTE_FLOW_ERROR_TYPE_ACTION,
1257 "Incorrect VF id!");
1262 filter->mirror_vnic_id =
1263 dflt_vnic = bnxt_hwrm_func_qcfg_vf_dflt_vnic_id(bp, vf);
1264 if (dflt_vnic < 0) {
1265 /* This simply indicates there's no driver loaded.
1266 * This is not an error.
1268 rte_flow_error_set(error,
1270 RTE_FLOW_ERROR_TYPE_ACTION,
1272 "Unable to get default VNIC for VF");
1277 filter->mirror_vnic_id = dflt_vnic;
1278 filter->enables |= NTUPLE_FLTR_ALLOC_INPUT_EN_MIRROR_VNIC_ID;
1280 vnic0 = &bp->vnic_info[0];
1281 filter1 = bnxt_get_l2_filter(bp, filter, vnic0);
1282 if (filter1 == NULL) {
1283 rte_flow_error_set(error,
1285 RTE_FLOW_ERROR_TYPE_ACTION,
1287 "New filter not available");
1292 filter->fw_l2_filter_id = filter1->fw_l2_filter_id;
1293 filter->flow_id = filter1->flow_id;
1295 case RTE_FLOW_ACTION_TYPE_RSS:
1296 rss = (const struct rte_flow_action_rss *)act->conf;
1298 vnic_id = attr->group;
1300 BNXT_VALID_VNIC_OR_RET(bp, vnic_id);
1301 vnic = &bp->vnic_info[vnic_id];
1303 /* Check if requested RSS config matches RSS config of VNIC
1304 * only if it is not a fresh VNIC configuration.
1305 * Otherwise the existing VNIC configuration can be used.
1307 if (vnic->rx_queue_cnt) {
1308 rc = match_vnic_rss_cfg(bp, vnic, rss);
1311 "VNIC and RSS config mismatch\n");
1312 rte_flow_error_set(error,
1314 RTE_FLOW_ERROR_TYPE_ACTION,
1316 "VNIC and RSS cfg mismatch");
1323 for (i = 0; i < rss->queue_num; i++) {
1324 PMD_DRV_LOG(DEBUG, "RSS action Queue %d\n",
1327 if (!rss->queue[i] ||
1328 rss->queue[i] >= bp->rx_nr_rings ||
1329 !bp->rx_queues[rss->queue[i]]) {
1330 rte_flow_error_set(error,
1332 RTE_FLOW_ERROR_TYPE_ACTION,
1334 "Invalid queue ID for RSS");
1338 rxq = bp->rx_queues[rss->queue[i]];
1340 if (bp->vnic_info[0].fw_grp_ids[rss->queue[i]] !=
1341 INVALID_HW_RING_ID) {
1343 "queue active with other VNIC\n");
1344 rte_flow_error_set(error,
1346 RTE_FLOW_ERROR_TYPE_ACTION,
1348 "Invalid queue ID for RSS");
1354 rxq->rx_started = 1;
1355 vnic->rx_queue_cnt++;
1358 vnic->start_grp_id = rss->queue[0];
1359 vnic->end_grp_id = rss->queue[rss->queue_num - 1];
1360 vnic->func_default = 0; //This is not a default VNIC.
1362 rc = bnxt_vnic_prep(bp, vnic);
1364 rte_flow_error_set(error,
1366 RTE_FLOW_ERROR_TYPE_ACTION,
1374 "vnic[%d] = %p vnic->fw_grp_ids = %p\n",
1375 vnic_id, vnic, vnic->fw_grp_ids);
1377 vnic->ff_pool_idx = vnic_id;
1379 "Setting vnic ff_pool_idx %d\n", vnic->ff_pool_idx);
1381 /* This can be done only after vnic_grp_alloc is done. */
1382 for (i = 0; i < vnic->rx_queue_cnt; i++) {
1383 vnic->fw_grp_ids[i] =
1384 bp->grp_info[rss->queue[i]].fw_grp_id;
1385 /* Make sure vnic0 does not use these rings. */
1386 bp->vnic_info[0].fw_grp_ids[rss->queue[i]] =
1390 for (rss_idx = 0; rss_idx < HW_HASH_INDEX_SIZE; ) {
1391 for (i = 0; i < vnic->rx_queue_cnt; i++)
1392 vnic->rss_table[rss_idx++] =
1393 vnic->fw_grp_ids[i];
1396 /* Configure RSS only if the queue count is > 1 */
1397 if (vnic->rx_queue_cnt > 1) {
1399 bnxt_rte_to_hwrm_hash_types(rss->types);
1401 bnxt_rte_to_hwrm_hash_level(bp, rss->types, rss->level);
1403 if (!rss->key_len) {
1404 /* If hash key has not been specified,
1405 * use random hash key.
1407 prandom_bytes(vnic->rss_hash_key,
1410 if (rss->key_len > HW_HASH_KEY_SIZE)
1411 memcpy(vnic->rss_hash_key,
1415 memcpy(vnic->rss_hash_key,
1419 bnxt_hwrm_vnic_rss_cfg(bp, vnic);
1421 PMD_DRV_LOG(DEBUG, "No RSS config required\n");
1425 filter->dst_id = vnic->fw_vnic_id;
1426 filter1 = bnxt_get_l2_filter(bp, filter, vnic);
1427 if (filter1 == NULL) {
1428 rte_flow_error_set(error,
1430 RTE_FLOW_ERROR_TYPE_ACTION,
1432 "New filter not available");
1437 PMD_DRV_LOG(DEBUG, "L2 filter created\n");
1438 bnxt_update_filter_flags_en(filter, filter1, use_ntuple);
1440 case RTE_FLOW_ACTION_TYPE_MARK:
1441 if (bp->mark_table == NULL) {
1442 rte_flow_error_set(error,
1444 RTE_FLOW_ERROR_TYPE_ACTION,
1446 "Mark table not allocated.");
1451 if (bp->flags & BNXT_FLAG_RX_VECTOR_PKT_MODE) {
1453 "Disabling vector processing for mark\n");
1454 bp->eth_dev->rx_pkt_burst = bnxt_recv_pkts;
1455 bp->flags &= ~BNXT_FLAG_RX_VECTOR_PKT_MODE;
1458 filter->valid_flags |= BNXT_FLOW_MARK_FLAG;
1459 filter->mark = ((const struct rte_flow_action_mark *)
1461 PMD_DRV_LOG(DEBUG, "Mark the flow %d\n", filter->mark);
1464 rte_flow_error_set(error,
1466 RTE_FLOW_ERROR_TYPE_ACTION,
1474 act = bnxt_flow_non_void_action(++act);
1475 while (act->type != RTE_FLOW_ACTION_TYPE_END)
1482 bnxt_hwrm_clear_l2_filter(bp, filter1);
1483 bnxt_free_filter(bp, filter1);
1487 if (vnic && STAILQ_EMPTY(&vnic->filter))
1488 vnic->rx_queue_cnt = 0;
1490 if (rxq && !vnic->rx_queue_cnt)
1491 rxq->vnic = &bp->vnic_info[0];
1497 struct bnxt_vnic_info *find_matching_vnic(struct bnxt *bp,
1498 struct bnxt_filter_info *filter)
1500 struct bnxt_vnic_info *vnic = NULL;
1503 for (i = 0; i < bp->max_vnics; i++) {
1504 vnic = &bp->vnic_info[i];
1505 if (vnic->fw_vnic_id != INVALID_VNIC_ID &&
1506 filter->dst_id == vnic->fw_vnic_id) {
1507 PMD_DRV_LOG(DEBUG, "Found matching VNIC Id %d\n",
1516 bnxt_flow_validate(struct rte_eth_dev *dev,
1517 const struct rte_flow_attr *attr,
1518 const struct rte_flow_item pattern[],
1519 const struct rte_flow_action actions[],
1520 struct rte_flow_error *error)
1522 struct bnxt *bp = dev->data->dev_private;
1523 struct bnxt_vnic_info *vnic = NULL;
1524 struct bnxt_filter_info *filter;
1527 bnxt_acquire_flow_lock(bp);
1528 ret = bnxt_flow_args_validate(attr, pattern, actions, error);
1530 bnxt_release_flow_lock(bp);
1534 filter = bnxt_get_unused_filter(bp);
1535 if (filter == NULL) {
1536 PMD_DRV_LOG(ERR, "Not enough resources for a new flow.\n");
1537 bnxt_release_flow_lock(bp);
1541 ret = bnxt_validate_and_parse_flow(dev, pattern, actions, attr,
1546 vnic = find_matching_vnic(bp, filter);
1548 if (STAILQ_EMPTY(&vnic->filter)) {
1549 rte_free(vnic->fw_grp_ids);
1550 bnxt_hwrm_vnic_ctx_free(bp, vnic);
1551 bnxt_hwrm_vnic_free(bp, vnic);
1552 vnic->rx_queue_cnt = 0;
1553 PMD_DRV_LOG(DEBUG, "Free VNIC\n");
1557 if (filter->filter_type == HWRM_CFA_EM_FILTER)
1558 bnxt_hwrm_clear_em_filter(bp, filter);
1559 else if (filter->filter_type == HWRM_CFA_NTUPLE_FILTER)
1560 bnxt_hwrm_clear_ntuple_filter(bp, filter);
1562 bnxt_hwrm_clear_l2_filter(bp, filter);
1565 /* No need to hold on to this filter if we are just validating flow */
1566 bnxt_free_filter(bp, filter);
1567 bnxt_release_flow_lock(bp);
1573 bnxt_update_filter(struct bnxt *bp, struct bnxt_filter_info *old_filter,
1574 struct bnxt_filter_info *new_filter)
1576 /* Clear the new L2 filter that was created in the previous step in
1577 * bnxt_validate_and_parse_flow. For L2 filters, we will use the new
1578 * filter which points to the new destination queue and so we clear
1579 * the previous L2 filter. For ntuple filters, we are going to reuse
1580 * the old L2 filter and create new NTUPLE filter with this new
1581 * destination queue subsequently during bnxt_flow_create. So we
1582 * decrement the ref cnt of the L2 filter that would've been bumped
1583 * up previously in bnxt_validate_and_parse_flow as the old n-tuple
1584 * filter that was referencing it will be deleted now.
1586 bnxt_hwrm_clear_l2_filter(bp, old_filter);
1587 if (new_filter->filter_type == HWRM_CFA_L2_FILTER) {
1588 bnxt_hwrm_set_l2_filter(bp, new_filter->dst_id, new_filter);
1590 if (new_filter->filter_type == HWRM_CFA_EM_FILTER)
1591 bnxt_hwrm_clear_em_filter(bp, old_filter);
1592 if (new_filter->filter_type == HWRM_CFA_NTUPLE_FILTER)
1593 bnxt_hwrm_clear_ntuple_filter(bp, old_filter);
1598 bnxt_match_filter(struct bnxt *bp, struct bnxt_filter_info *nf)
1600 struct bnxt_filter_info *mf;
1601 struct rte_flow *flow;
1604 for (i = bp->max_vnics - 1; i >= 0; i--) {
1605 struct bnxt_vnic_info *vnic = &bp->vnic_info[i];
1607 if (vnic->fw_vnic_id == INVALID_VNIC_ID)
1610 STAILQ_FOREACH(flow, &vnic->flow_list, next) {
1613 if (mf->filter_type == nf->filter_type &&
1614 mf->flags == nf->flags &&
1615 mf->src_port == nf->src_port &&
1616 mf->src_port_mask == nf->src_port_mask &&
1617 mf->dst_port == nf->dst_port &&
1618 mf->dst_port_mask == nf->dst_port_mask &&
1619 mf->ip_protocol == nf->ip_protocol &&
1620 mf->ip_addr_type == nf->ip_addr_type &&
1621 mf->ethertype == nf->ethertype &&
1622 mf->vni == nf->vni &&
1623 mf->tunnel_type == nf->tunnel_type &&
1624 mf->l2_ovlan == nf->l2_ovlan &&
1625 mf->l2_ovlan_mask == nf->l2_ovlan_mask &&
1626 mf->l2_ivlan == nf->l2_ivlan &&
1627 mf->l2_ivlan_mask == nf->l2_ivlan_mask &&
1628 !memcmp(mf->l2_addr, nf->l2_addr,
1629 RTE_ETHER_ADDR_LEN) &&
1630 !memcmp(mf->l2_addr_mask, nf->l2_addr_mask,
1631 RTE_ETHER_ADDR_LEN) &&
1632 !memcmp(mf->src_macaddr, nf->src_macaddr,
1633 RTE_ETHER_ADDR_LEN) &&
1634 !memcmp(mf->dst_macaddr, nf->dst_macaddr,
1635 RTE_ETHER_ADDR_LEN) &&
1636 !memcmp(mf->src_ipaddr, nf->src_ipaddr,
1637 sizeof(nf->src_ipaddr)) &&
1638 !memcmp(mf->src_ipaddr_mask, nf->src_ipaddr_mask,
1639 sizeof(nf->src_ipaddr_mask)) &&
1640 !memcmp(mf->dst_ipaddr, nf->dst_ipaddr,
1641 sizeof(nf->dst_ipaddr)) &&
1642 !memcmp(mf->dst_ipaddr_mask, nf->dst_ipaddr_mask,
1643 sizeof(nf->dst_ipaddr_mask))) {
1644 if (mf->dst_id == nf->dst_id)
1646 /* Free the old filter, update flow
1649 bnxt_update_filter(bp, mf, nf);
1650 STAILQ_REMOVE(&vnic->filter, mf,
1651 bnxt_filter_info, next);
1652 STAILQ_INSERT_TAIL(&vnic->filter, nf, next);
1653 bnxt_free_filter(bp, mf);
1663 bnxt_setup_flow_counter(struct bnxt *bp)
1665 if (bp->fw_cap & BNXT_FW_CAP_ADV_FLOW_COUNTERS &&
1666 !(bp->flags & BNXT_FLAG_FC_THREAD) && BNXT_FLOW_XSTATS_EN(bp)) {
1667 rte_eal_alarm_set(US_PER_S * BNXT_FC_TIMER,
1668 bnxt_flow_cnt_alarm_cb,
1670 bp->flags |= BNXT_FLAG_FC_THREAD;
1674 void bnxt_flow_cnt_alarm_cb(void *arg)
1677 struct bnxt *bp = arg;
1679 if (!bp->flow_stat->rx_fc_out_tbl.va) {
1680 PMD_DRV_LOG(ERR, "bp->flow_stat->rx_fc_out_tbl.va is NULL?\n");
1681 bnxt_cancel_fc_thread(bp);
1685 if (!bp->flow_stat->flow_count) {
1686 bnxt_cancel_fc_thread(bp);
1690 if (!bp->eth_dev->data->dev_started) {
1691 bnxt_cancel_fc_thread(bp);
1695 rc = bnxt_flow_stats_req(bp);
1697 PMD_DRV_LOG(ERR, "Flow stat alarm not rescheduled.\n");
1701 rte_eal_alarm_set(US_PER_S * BNXT_FC_TIMER,
1702 bnxt_flow_cnt_alarm_cb,
1707 static struct rte_flow *
1708 bnxt_flow_create(struct rte_eth_dev *dev,
1709 const struct rte_flow_attr *attr,
1710 const struct rte_flow_item pattern[],
1711 const struct rte_flow_action actions[],
1712 struct rte_flow_error *error)
1714 struct bnxt *bp = dev->data->dev_private;
1715 struct bnxt_vnic_info *vnic = NULL;
1716 struct bnxt_filter_info *filter;
1717 bool update_flow = false;
1718 struct rte_flow *flow;
1720 uint32_t tun_type, flow_id;
1722 if (BNXT_VF(bp) && !BNXT_VF_IS_TRUSTED(bp)) {
1723 rte_flow_error_set(error, EINVAL,
1724 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1725 "Failed to create flow, Not a Trusted VF!");
1729 if (!dev->data->dev_started) {
1730 rte_flow_error_set(error,
1732 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
1734 "Device must be started");
1738 flow = rte_zmalloc("bnxt_flow", sizeof(struct rte_flow), 0);
1740 rte_flow_error_set(error, ENOMEM,
1741 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1742 "Failed to allocate memory");
1746 bnxt_acquire_flow_lock(bp);
1747 ret = bnxt_flow_args_validate(attr, pattern, actions, error);
1749 PMD_DRV_LOG(ERR, "Not a validate flow.\n");
1753 filter = bnxt_get_unused_filter(bp);
1754 if (filter == NULL) {
1755 rte_flow_error_set(error, ENOSPC,
1756 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1757 "Not enough resources for a new flow");
1761 ret = bnxt_validate_and_parse_flow(dev, pattern, actions, attr,
1766 ret = bnxt_match_filter(bp, filter);
1767 if (ret == -EEXIST) {
1768 PMD_DRV_LOG(DEBUG, "Flow already exists.\n");
1769 /* Clear the filter that was created as part of
1770 * validate_and_parse_flow() above
1772 bnxt_hwrm_clear_l2_filter(bp, filter);
1774 } else if (ret == -EXDEV) {
1775 PMD_DRV_LOG(DEBUG, "Flow with same pattern exists\n");
1776 PMD_DRV_LOG(DEBUG, "Updating with different destination\n");
1780 /* If tunnel redirection to a VF/PF is specified then only tunnel_type
1781 * is set and enable is set to the tunnel type. Issue hwrm cmd directly
1784 if (filter->filter_type == HWRM_CFA_TUNNEL_REDIRECT_FILTER &&
1785 filter->enables == filter->tunnel_type) {
1786 ret = bnxt_hwrm_tunnel_redirect_query(bp, &tun_type);
1788 rte_flow_error_set(error, -ret,
1789 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1790 "Unable to query tunnel to VF");
1793 if (tun_type == (1U << filter->tunnel_type)) {
1795 bnxt_hwrm_tunnel_redirect_free(bp,
1796 filter->tunnel_type);
1799 "Unable to free existing tunnel\n");
1800 rte_flow_error_set(error, -ret,
1801 RTE_FLOW_ERROR_TYPE_HANDLE,
1803 "Unable to free preexisting "
1808 ret = bnxt_hwrm_tunnel_redirect(bp, filter->tunnel_type);
1810 rte_flow_error_set(error, -ret,
1811 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1812 "Unable to redirect tunnel to VF");
1815 vnic = &bp->vnic_info[0];
1819 if (filter->filter_type == HWRM_CFA_EM_FILTER) {
1821 HWRM_CFA_EM_FLOW_ALLOC_INPUT_ENABLES_L2_FILTER_ID;
1822 ret = bnxt_hwrm_set_em_filter(bp, filter->dst_id, filter);
1824 rte_flow_error_set(error, -ret,
1825 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1826 "Failed to create EM filter");
1831 if (filter->filter_type == HWRM_CFA_NTUPLE_FILTER) {
1833 HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_ENABLES_L2_FILTER_ID;
1834 ret = bnxt_hwrm_set_ntuple_filter(bp, filter->dst_id, filter);
1836 rte_flow_error_set(error, -ret,
1837 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1838 "Failed to create ntuple filter");
1843 if (BNXT_RFS_NEEDS_VNIC(bp))
1844 vnic = find_matching_vnic(bp, filter);
1846 vnic = BNXT_GET_DEFAULT_VNIC(bp);
1848 if (!ret || update_flow) {
1849 flow->filter = filter;
1856 if (filter->valid_flags & BNXT_FLOW_MARK_FLAG) {
1858 "Mark action: mark id 0x%x, flow id 0x%x\n",
1859 filter->mark, filter->flow_id);
1861 /* TCAM and EM should be 16-bit only.
1862 * Other modes not supported.
1864 flow_id = filter->flow_id & BNXT_FLOW_ID_MASK;
1865 if (bp->mark_table[flow_id].valid) {
1866 rte_flow_error_set(error, EEXIST,
1867 RTE_FLOW_ERROR_TYPE_HANDLE,
1869 "Flow with mark id exists");
1870 bnxt_clear_one_vnic_filter(bp, filter);
1873 bp->mark_table[flow_id].valid = true;
1874 bp->mark_table[flow_id].mark_id = filter->mark;
1877 STAILQ_INSERT_TAIL(&vnic->filter, filter, next);
1878 STAILQ_INSERT_TAIL(&vnic->flow_list, flow, next);
1880 if (BNXT_FLOW_XSTATS_EN(bp))
1881 bp->flow_stat->flow_count++;
1882 bnxt_release_flow_lock(bp);
1883 bnxt_setup_flow_counter(bp);
1884 PMD_DRV_LOG(DEBUG, "Successfully created flow.\n");
1889 bnxt_free_filter(bp, filter);
1892 rte_flow_error_set(error, ret,
1893 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1894 "Matching Flow exists.");
1895 else if (ret == -EXDEV)
1896 rte_flow_error_set(error, 0,
1897 RTE_FLOW_ERROR_TYPE_NONE, NULL,
1898 "Flow with pattern exists, updating destination queue");
1899 else if (!rte_errno)
1900 rte_flow_error_set(error, -ret,
1901 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1902 "Failed to create flow.");
1905 bnxt_release_flow_lock(bp);
1909 static int bnxt_handle_tunnel_redirect_destroy(struct bnxt *bp,
1910 struct bnxt_filter_info *filter,
1911 struct rte_flow_error *error)
1913 uint16_t tun_dst_fid;
1917 ret = bnxt_hwrm_tunnel_redirect_query(bp, &tun_type);
1919 rte_flow_error_set(error, -ret,
1920 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1921 "Unable to query tunnel to VF");
1924 if (tun_type == (1U << filter->tunnel_type)) {
1925 ret = bnxt_hwrm_tunnel_redirect_info(bp, filter->tunnel_type,
1928 rte_flow_error_set(error, -ret,
1929 RTE_FLOW_ERROR_TYPE_HANDLE,
1931 "tunnel_redirect info cmd fail");
1934 PMD_DRV_LOG(INFO, "Pre-existing tunnel fid = %x vf->fid = %x\n",
1935 tun_dst_fid + bp->first_vf_id, bp->fw_fid);
1937 /* Tunnel doesn't belong to this VF, so don't send HWRM
1938 * cmd, just delete the flow from driver
1940 if (bp->fw_fid != (tun_dst_fid + bp->first_vf_id))
1942 "Tunnel does not belong to this VF, skip hwrm_tunnel_redirect_free\n");
1944 ret = bnxt_hwrm_tunnel_redirect_free(bp,
1945 filter->tunnel_type);
1951 _bnxt_flow_destroy(struct bnxt *bp,
1952 struct rte_flow *flow,
1953 struct rte_flow_error *error)
1955 struct bnxt_filter_info *filter;
1956 struct bnxt_vnic_info *vnic;
1960 filter = flow->filter;
1963 if (filter->filter_type == HWRM_CFA_TUNNEL_REDIRECT_FILTER &&
1964 filter->enables == filter->tunnel_type) {
1965 ret = bnxt_handle_tunnel_redirect_destroy(bp, filter, error);
1972 ret = bnxt_match_filter(bp, filter);
1974 PMD_DRV_LOG(ERR, "Could not find matching flow\n");
1976 if (filter->valid_flags & BNXT_FLOW_MARK_FLAG) {
1977 flow_id = filter->flow_id & BNXT_FLOW_ID_MASK;
1978 memset(&bp->mark_table[flow_id], 0,
1979 sizeof(bp->mark_table[flow_id]));
1980 filter->flow_id = 0;
1983 ret = bnxt_clear_one_vnic_filter(bp, filter);
1987 /* If it is a L2 drop filter, when the filter is created,
1988 * the FW updates the BC/MC records.
1989 * Once this filter is removed, issue the set_rx_mask command
1990 * to reset the BC/MC records in the HW to the settings
1991 * before the drop counter is created.
1993 if (filter->valid_flags & BNXT_FLOW_L2_DROP_FLAG)
1994 bnxt_set_rx_mask_no_vlan(bp, &bp->vnic_info[0]);
1996 STAILQ_REMOVE(&vnic->filter, filter, bnxt_filter_info, next);
1997 bnxt_free_filter(bp, filter);
1998 STAILQ_REMOVE(&vnic->flow_list, flow, rte_flow, next);
2000 if (BNXT_FLOW_XSTATS_EN(bp))
2001 bp->flow_stat->flow_count--;
2003 /* If this was the last flow associated with this vnic,
2004 * switch the queue back to RSS pool.
2006 if (vnic && !vnic->func_default &&
2007 STAILQ_EMPTY(&vnic->flow_list)) {
2008 rte_free(vnic->fw_grp_ids);
2009 if (vnic->rx_queue_cnt > 1)
2010 bnxt_hwrm_vnic_ctx_free(bp, vnic);
2012 bnxt_hwrm_vnic_free(bp, vnic);
2013 vnic->rx_queue_cnt = 0;
2016 rte_flow_error_set(error, -ret,
2017 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
2018 "Failed to destroy flow.");
2025 bnxt_flow_destroy(struct rte_eth_dev *dev,
2026 struct rte_flow *flow,
2027 struct rte_flow_error *error)
2029 struct bnxt *bp = dev->data->dev_private;
2032 bnxt_acquire_flow_lock(bp);
2034 rte_flow_error_set(error, EINVAL,
2035 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
2036 "Invalid flow: failed to destroy flow.");
2037 bnxt_release_flow_lock(bp);
2041 if (!flow->filter) {
2042 rte_flow_error_set(error, EINVAL,
2043 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
2044 "Invalid flow: failed to destroy flow.");
2045 bnxt_release_flow_lock(bp);
2048 ret = _bnxt_flow_destroy(bp, flow, error);
2049 bnxt_release_flow_lock(bp);
2054 void bnxt_cancel_fc_thread(struct bnxt *bp)
2056 bp->flags &= ~BNXT_FLAG_FC_THREAD;
2057 rte_eal_alarm_cancel(bnxt_flow_cnt_alarm_cb, (void *)bp);
2061 bnxt_flow_flush(struct rte_eth_dev *dev, struct rte_flow_error *error)
2063 struct bnxt *bp = dev->data->dev_private;
2064 struct bnxt_vnic_info *vnic;
2065 struct rte_flow *flow;
2069 bnxt_acquire_flow_lock(bp);
2070 for (i = 0; i < bp->max_vnics; i++) {
2071 vnic = &bp->vnic_info[i];
2072 if (vnic && vnic->fw_vnic_id == INVALID_VNIC_ID)
2075 while (!STAILQ_EMPTY(&vnic->flow_list)) {
2076 flow = STAILQ_FIRST(&vnic->flow_list);
2081 ret = _bnxt_flow_destroy(bp, flow, error);
2087 bnxt_cancel_fc_thread(bp);
2088 bnxt_release_flow_lock(bp);
2093 const struct rte_flow_ops bnxt_flow_ops = {
2094 .validate = bnxt_flow_validate,
2095 .create = bnxt_flow_create,
2096 .destroy = bnxt_flow_destroy,
2097 .flush = bnxt_flow_flush,