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 void bnxt_vnic_cleanup(struct bnxt *bp, struct bnxt_vnic_info *vnic)
924 if (vnic->rx_queue_cnt > 1)
925 bnxt_hwrm_vnic_ctx_free(bp, vnic);
927 bnxt_hwrm_vnic_free(bp, vnic);
929 rte_free(vnic->fw_grp_ids);
930 vnic->fw_grp_ids = NULL;
932 vnic->rx_queue_cnt = 0;
935 static int bnxt_vnic_prep(struct bnxt *bp, struct bnxt_vnic_info *vnic,
936 const struct rte_flow_action *act,
937 struct rte_flow_error *error)
939 struct rte_eth_conf *dev_conf = &bp->eth_dev->data->dev_conf;
940 uint64_t rx_offloads = dev_conf->rxmode.offloads;
943 if (bp->nr_vnics > bp->max_vnics - 1)
944 return rte_flow_error_set(error, EINVAL,
945 RTE_FLOW_ERROR_TYPE_ATTR_GROUP,
947 "Group id is invalid");
949 rc = bnxt_vnic_grp_alloc(bp, vnic);
951 return rte_flow_error_set(error, -rc,
952 RTE_FLOW_ERROR_TYPE_ACTION,
954 "Failed to alloc VNIC group");
956 rc = bnxt_hwrm_vnic_alloc(bp, vnic);
958 rte_flow_error_set(error, -rc,
959 RTE_FLOW_ERROR_TYPE_ACTION,
961 "Failed to alloc VNIC");
965 /* RSS context is required only when there is more than one RSS ring */
966 if (vnic->rx_queue_cnt > 1) {
967 rc = bnxt_hwrm_vnic_ctx_alloc(bp, vnic, 0);
969 rte_flow_error_set(error, -rc,
970 RTE_FLOW_ERROR_TYPE_ACTION,
972 "Failed to alloc VNIC context");
977 if (rx_offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
978 vnic->vlan_strip = true;
980 vnic->vlan_strip = false;
982 rc = bnxt_hwrm_vnic_cfg(bp, vnic);
984 rte_flow_error_set(error, -rc,
985 RTE_FLOW_ERROR_TYPE_ACTION,
987 "Failed to configure VNIC");
991 rc = bnxt_hwrm_vnic_plcmode_cfg(bp, vnic);
993 rte_flow_error_set(error, -rc,
994 RTE_FLOW_ERROR_TYPE_ACTION,
996 "Failed to configure VNIC plcmode");
1005 bnxt_vnic_cleanup(bp, vnic);
1009 static int match_vnic_rss_cfg(struct bnxt *bp,
1010 struct bnxt_vnic_info *vnic,
1011 const struct rte_flow_action_rss *rss)
1013 unsigned int match = 0, i;
1015 if (vnic->rx_queue_cnt != rss->queue_num)
1018 for (i = 0; i < rss->queue_num; i++) {
1019 if (!bp->rx_queues[rss->queue[i]]->vnic->rx_queue_cnt &&
1020 !bp->rx_queues[rss->queue[i]]->rx_started)
1024 for (i = 0; i < vnic->rx_queue_cnt; i++) {
1027 for (j = 0; j < vnic->rx_queue_cnt; j++) {
1028 if (bp->grp_info[rss->queue[i]].fw_grp_id ==
1029 vnic->fw_grp_ids[j])
1034 if (match != vnic->rx_queue_cnt) {
1036 "VNIC queue count %d vs queues matched %d\n",
1037 match, vnic->rx_queue_cnt);
1045 bnxt_update_filter_flags_en(struct bnxt_filter_info *filter,
1046 struct bnxt_filter_info *filter1,
1050 !(filter->valid_flags &
1051 ~(BNXT_FLOW_L2_DST_VALID_FLAG |
1052 BNXT_FLOW_L2_SRC_VALID_FLAG |
1053 BNXT_FLOW_L2_INNER_SRC_VALID_FLAG |
1054 BNXT_FLOW_L2_INNER_DST_VALID_FLAG |
1055 BNXT_FLOW_L2_DROP_FLAG |
1056 BNXT_FLOW_PARSE_INNER_FLAG))) {
1057 filter->flags = filter1->flags;
1058 filter->enables = filter1->enables;
1059 filter->filter_type = HWRM_CFA_L2_FILTER;
1060 memcpy(filter->l2_addr, filter1->l2_addr, RTE_ETHER_ADDR_LEN);
1061 memset(filter->l2_addr_mask, 0xff, RTE_ETHER_ADDR_LEN);
1062 filter->pri_hint = filter1->pri_hint;
1063 filter->l2_filter_id_hint = filter1->l2_filter_id_hint;
1065 filter->fw_l2_filter_id = filter1->fw_l2_filter_id;
1066 filter->l2_ref_cnt = filter1->l2_ref_cnt;
1067 filter->flow_id = filter1->flow_id;
1069 "l2_filter: %p fw_l2_filter_id %" PRIx64 " l2_ref_cnt %u\n",
1070 filter1, filter->fw_l2_filter_id, filter->l2_ref_cnt);
1074 bnxt_validate_and_parse_flow(struct rte_eth_dev *dev,
1075 const struct rte_flow_item pattern[],
1076 const struct rte_flow_action actions[],
1077 const struct rte_flow_attr *attr,
1078 struct rte_flow_error *error,
1079 struct bnxt_filter_info *filter)
1081 const struct rte_flow_action *act =
1082 bnxt_flow_non_void_action(actions);
1083 struct bnxt *bp = dev->data->dev_private;
1084 struct rte_eth_conf *dev_conf = &bp->eth_dev->data->dev_conf;
1085 struct bnxt_vnic_info *vnic = NULL, *vnic0 = NULL;
1086 const struct rte_flow_action_queue *act_q;
1087 const struct rte_flow_action_vf *act_vf;
1088 struct bnxt_filter_info *filter1 = NULL;
1089 const struct rte_flow_action_rss *rss;
1090 struct bnxt_rx_queue *rxq = NULL;
1091 int dflt_vnic, vnic_id;
1092 unsigned int rss_idx;
1097 bnxt_validate_and_parse_flow_type(bp, attr, pattern, error, filter);
1101 rc = bnxt_flow_parse_attr(attr, error);
1105 /* Since we support ingress attribute only - right now. */
1106 if (filter->filter_type == HWRM_CFA_EM_FILTER)
1107 filter->flags = HWRM_CFA_EM_FLOW_ALLOC_INPUT_FLAGS_PATH_RX;
1109 use_ntuple = bnxt_filter_type_check(pattern, error);
1112 switch (act->type) {
1113 case RTE_FLOW_ACTION_TYPE_QUEUE:
1114 /* Allow this flow. Redirect to a VNIC. */
1115 act_q = (const struct rte_flow_action_queue *)act->conf;
1116 if (!act_q->index || act_q->index >= bp->rx_nr_rings) {
1117 rte_flow_error_set(error,
1119 RTE_FLOW_ERROR_TYPE_ACTION,
1121 "Invalid queue ID.");
1125 PMD_DRV_LOG(DEBUG, "Queue index %d\n", act_q->index);
1127 if (use_ntuple && !BNXT_RFS_NEEDS_VNIC(bp)) {
1129 HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_FLAGS_DEST_RFS_RING_IDX;
1130 filter->dst_id = act_q->index;
1131 goto skip_vnic_alloc;
1134 vnic_id = attr->group;
1136 PMD_DRV_LOG(DEBUG, "Group id is 0\n");
1137 vnic_id = act_q->index;
1140 BNXT_VALID_VNIC_OR_RET(bp, vnic_id);
1142 vnic = &bp->vnic_info[vnic_id];
1143 if (vnic->rx_queue_cnt) {
1144 if (vnic->start_grp_id != act_q->index) {
1146 "VNIC already in use\n");
1147 rte_flow_error_set(error,
1149 RTE_FLOW_ERROR_TYPE_ACTION,
1151 "VNIC already in use");
1158 rxq = bp->rx_queues[act_q->index];
1160 if (!(dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS) && rxq &&
1161 vnic->fw_vnic_id != INVALID_HW_RING_ID)
1166 "Queue invalid or used with other VNIC\n");
1167 rte_flow_error_set(error,
1169 RTE_FLOW_ERROR_TYPE_ACTION,
1171 "Queue invalid queue or in use");
1177 rxq->rx_started = 1;
1178 vnic->rx_queue_cnt++;
1179 vnic->start_grp_id = act_q->index;
1180 vnic->end_grp_id = act_q->index;
1181 vnic->func_default = 0; //This is not a default VNIC.
1183 PMD_DRV_LOG(DEBUG, "VNIC found\n");
1185 rc = bnxt_vnic_prep(bp, vnic, act, error);
1190 "vnic[%d] = %p vnic->fw_grp_ids = %p\n",
1191 act_q->index, vnic, vnic->fw_grp_ids);
1194 vnic->ff_pool_idx = vnic_id;
1196 "Setting vnic ff_idx %d\n", vnic->ff_pool_idx);
1197 filter->dst_id = vnic->fw_vnic_id;
1199 /* For ntuple filter, create the L2 filter with default VNIC.
1200 * The user specified redirect queue will be set while creating
1201 * the ntuple filter in hardware.
1203 vnic0 = BNXT_GET_DEFAULT_VNIC(bp);
1205 filter1 = bnxt_get_l2_filter(bp, filter, vnic0);
1207 filter1 = bnxt_get_l2_filter(bp, filter, vnic);
1208 if (filter1 == NULL) {
1209 rte_flow_error_set(error,
1211 RTE_FLOW_ERROR_TYPE_ACTION,
1213 "Filter not available");
1218 PMD_DRV_LOG(DEBUG, "new fltr: %p l2fltr: %p l2_ref_cnt: %d\n",
1219 filter, filter1, filter1->l2_ref_cnt);
1220 bnxt_update_filter_flags_en(filter, filter1, use_ntuple);
1222 case RTE_FLOW_ACTION_TYPE_DROP:
1223 vnic0 = &bp->vnic_info[0];
1224 filter->dst_id = vnic0->fw_vnic_id;
1225 filter->valid_flags |= BNXT_FLOW_L2_DROP_FLAG;
1226 filter1 = bnxt_get_l2_filter(bp, filter, vnic0);
1227 if (filter1 == NULL) {
1228 rte_flow_error_set(error,
1230 RTE_FLOW_ERROR_TYPE_ACTION,
1232 "Filter not available");
1237 if (filter->filter_type == HWRM_CFA_EM_FILTER)
1239 HWRM_CFA_EM_FLOW_ALLOC_INPUT_FLAGS_DROP;
1240 else if (filter->filter_type == HWRM_CFA_NTUPLE_FILTER)
1242 HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_FLAGS_DROP;
1244 bnxt_update_filter_flags_en(filter, filter1, use_ntuple);
1246 case RTE_FLOW_ACTION_TYPE_COUNT:
1247 vnic0 = &bp->vnic_info[0];
1248 filter1 = bnxt_get_l2_filter(bp, filter, vnic0);
1249 if (filter1 == NULL) {
1250 rte_flow_error_set(error,
1252 RTE_FLOW_ERROR_TYPE_ACTION,
1254 "New filter not available");
1259 filter->fw_l2_filter_id = filter1->fw_l2_filter_id;
1260 filter->flow_id = filter1->flow_id;
1261 filter->flags = HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_FLAGS_METER;
1263 case RTE_FLOW_ACTION_TYPE_VF:
1264 act_vf = (const struct rte_flow_action_vf *)act->conf;
1267 if (filter->tunnel_type ==
1268 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_VXLAN ||
1269 filter->tunnel_type ==
1270 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_IPGRE) {
1271 /* If issued on a VF, ensure id is 0 and is trusted */
1273 if (!BNXT_VF_IS_TRUSTED(bp) || vf) {
1274 rte_flow_error_set(error, EINVAL,
1275 RTE_FLOW_ERROR_TYPE_ACTION,
1283 filter->enables |= filter->tunnel_type;
1284 filter->filter_type = HWRM_CFA_TUNNEL_REDIRECT_FILTER;
1288 if (vf >= bp->pdev->max_vfs) {
1289 rte_flow_error_set(error,
1291 RTE_FLOW_ERROR_TYPE_ACTION,
1293 "Incorrect VF id!");
1298 filter->mirror_vnic_id =
1299 dflt_vnic = bnxt_hwrm_func_qcfg_vf_dflt_vnic_id(bp, vf);
1300 if (dflt_vnic < 0) {
1301 /* This simply indicates there's no driver loaded.
1302 * This is not an error.
1304 rte_flow_error_set(error,
1306 RTE_FLOW_ERROR_TYPE_ACTION,
1308 "Unable to get default VNIC for VF");
1313 filter->mirror_vnic_id = dflt_vnic;
1314 filter->enables |= NTUPLE_FLTR_ALLOC_INPUT_EN_MIRROR_VNIC_ID;
1316 vnic0 = &bp->vnic_info[0];
1317 filter1 = bnxt_get_l2_filter(bp, filter, vnic0);
1318 if (filter1 == NULL) {
1319 rte_flow_error_set(error,
1321 RTE_FLOW_ERROR_TYPE_ACTION,
1323 "New filter not available");
1328 filter->fw_l2_filter_id = filter1->fw_l2_filter_id;
1329 filter->flow_id = filter1->flow_id;
1331 case RTE_FLOW_ACTION_TYPE_RSS:
1332 rss = (const struct rte_flow_action_rss *)act->conf;
1334 vnic_id = attr->group;
1336 BNXT_VALID_VNIC_OR_RET(bp, vnic_id);
1337 vnic = &bp->vnic_info[vnic_id];
1339 /* Check if requested RSS config matches RSS config of VNIC
1340 * only if it is not a fresh VNIC configuration.
1341 * Otherwise the existing VNIC configuration can be used.
1343 if (vnic->rx_queue_cnt) {
1344 rc = match_vnic_rss_cfg(bp, vnic, rss);
1347 "VNIC and RSS config mismatch\n");
1348 rte_flow_error_set(error,
1350 RTE_FLOW_ERROR_TYPE_ACTION,
1352 "VNIC and RSS cfg mismatch");
1359 for (i = 0; i < rss->queue_num; i++) {
1360 PMD_DRV_LOG(DEBUG, "RSS action Queue %d\n",
1363 if (!rss->queue[i] ||
1364 rss->queue[i] >= bp->rx_nr_rings ||
1365 !bp->rx_queues[rss->queue[i]]) {
1366 rte_flow_error_set(error,
1368 RTE_FLOW_ERROR_TYPE_ACTION,
1370 "Invalid queue ID for RSS");
1374 rxq = bp->rx_queues[rss->queue[i]];
1376 if (bp->vnic_info[0].fw_grp_ids[rss->queue[i]] !=
1377 INVALID_HW_RING_ID) {
1379 "queue active with other VNIC\n");
1380 rte_flow_error_set(error,
1382 RTE_FLOW_ERROR_TYPE_ACTION,
1384 "Invalid queue ID for RSS");
1390 rxq->rx_started = 1;
1391 vnic->rx_queue_cnt++;
1394 vnic->start_grp_id = rss->queue[0];
1395 vnic->end_grp_id = rss->queue[rss->queue_num - 1];
1396 vnic->func_default = 0; //This is not a default VNIC.
1398 rc = bnxt_vnic_prep(bp, vnic, act, error);
1403 "vnic[%d] = %p vnic->fw_grp_ids = %p\n",
1404 vnic_id, vnic, vnic->fw_grp_ids);
1406 vnic->ff_pool_idx = vnic_id;
1408 "Setting vnic ff_pool_idx %d\n", vnic->ff_pool_idx);
1410 /* This can be done only after vnic_grp_alloc is done. */
1411 for (i = 0; i < vnic->rx_queue_cnt; i++) {
1412 vnic->fw_grp_ids[i] =
1413 bp->grp_info[rss->queue[i]].fw_grp_id;
1414 /* Make sure vnic0 does not use these rings. */
1415 bp->vnic_info[0].fw_grp_ids[rss->queue[i]] =
1419 for (rss_idx = 0; rss_idx < HW_HASH_INDEX_SIZE; ) {
1420 for (i = 0; i < vnic->rx_queue_cnt; i++)
1421 vnic->rss_table[rss_idx++] =
1422 vnic->fw_grp_ids[i];
1425 /* Configure RSS only if the queue count is > 1 */
1426 if (vnic->rx_queue_cnt > 1) {
1428 bnxt_rte_to_hwrm_hash_types(rss->types);
1430 bnxt_rte_to_hwrm_hash_level(bp, rss->types, rss->level);
1432 if (!rss->key_len) {
1433 /* If hash key has not been specified,
1434 * use random hash key.
1436 bnxt_prandom_bytes(vnic->rss_hash_key,
1439 if (rss->key_len > HW_HASH_KEY_SIZE)
1440 memcpy(vnic->rss_hash_key,
1444 memcpy(vnic->rss_hash_key,
1448 bnxt_hwrm_vnic_rss_cfg(bp, vnic);
1450 PMD_DRV_LOG(DEBUG, "No RSS config required\n");
1454 filter->dst_id = vnic->fw_vnic_id;
1455 filter1 = bnxt_get_l2_filter(bp, filter, vnic);
1456 if (filter1 == NULL) {
1457 rte_flow_error_set(error,
1459 RTE_FLOW_ERROR_TYPE_ACTION,
1461 "New filter not available");
1466 PMD_DRV_LOG(DEBUG, "L2 filter created\n");
1467 bnxt_update_filter_flags_en(filter, filter1, use_ntuple);
1469 case RTE_FLOW_ACTION_TYPE_MARK:
1470 if (bp->mark_table == NULL) {
1471 rte_flow_error_set(error,
1473 RTE_FLOW_ERROR_TYPE_ACTION,
1475 "Mark table not allocated.");
1480 if (bp->flags & BNXT_FLAG_RX_VECTOR_PKT_MODE) {
1482 "Disabling vector processing for mark\n");
1483 bp->eth_dev->rx_pkt_burst = bnxt_recv_pkts;
1484 bp->flags &= ~BNXT_FLAG_RX_VECTOR_PKT_MODE;
1487 filter->valid_flags |= BNXT_FLOW_MARK_FLAG;
1488 filter->mark = ((const struct rte_flow_action_mark *)
1490 PMD_DRV_LOG(DEBUG, "Mark the flow %d\n", filter->mark);
1493 rte_flow_error_set(error,
1495 RTE_FLOW_ERROR_TYPE_ACTION,
1503 act = bnxt_flow_non_void_action(++act);
1504 while (act->type != RTE_FLOW_ACTION_TYPE_END)
1511 bnxt_hwrm_clear_l2_filter(bp, filter1);
1512 bnxt_free_filter(bp, filter1);
1516 if (vnic && STAILQ_EMPTY(&vnic->filter))
1517 vnic->rx_queue_cnt = 0;
1519 if (rxq && !vnic->rx_queue_cnt)
1520 rxq->vnic = &bp->vnic_info[0];
1526 struct bnxt_vnic_info *find_matching_vnic(struct bnxt *bp,
1527 struct bnxt_filter_info *filter)
1529 struct bnxt_vnic_info *vnic = NULL;
1532 for (i = 0; i < bp->max_vnics; i++) {
1533 vnic = &bp->vnic_info[i];
1534 if (vnic->fw_vnic_id != INVALID_VNIC_ID &&
1535 filter->dst_id == vnic->fw_vnic_id) {
1536 PMD_DRV_LOG(DEBUG, "Found matching VNIC Id %d\n",
1545 bnxt_flow_validate(struct rte_eth_dev *dev,
1546 const struct rte_flow_attr *attr,
1547 const struct rte_flow_item pattern[],
1548 const struct rte_flow_action actions[],
1549 struct rte_flow_error *error)
1551 struct bnxt *bp = dev->data->dev_private;
1552 struct bnxt_vnic_info *vnic = NULL;
1553 struct bnxt_filter_info *filter;
1556 bnxt_acquire_flow_lock(bp);
1557 ret = bnxt_flow_args_validate(attr, pattern, actions, error);
1559 bnxt_release_flow_lock(bp);
1563 filter = bnxt_get_unused_filter(bp);
1564 if (filter == NULL) {
1565 rte_flow_error_set(error, ENOSPC,
1566 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1567 "Not enough resources for a new flow");
1568 bnxt_release_flow_lock(bp);
1572 ret = bnxt_validate_and_parse_flow(dev, pattern, actions, attr,
1577 vnic = find_matching_vnic(bp, filter);
1579 if (STAILQ_EMPTY(&vnic->filter)) {
1580 bnxt_vnic_cleanup(bp, vnic);
1582 PMD_DRV_LOG(DEBUG, "Free VNIC\n");
1586 if (filter->filter_type == HWRM_CFA_EM_FILTER)
1587 bnxt_hwrm_clear_em_filter(bp, filter);
1588 else if (filter->filter_type == HWRM_CFA_NTUPLE_FILTER)
1589 bnxt_hwrm_clear_ntuple_filter(bp, filter);
1591 bnxt_hwrm_clear_l2_filter(bp, filter);
1594 /* No need to hold on to this filter if we are just validating flow */
1595 bnxt_free_filter(bp, filter);
1596 bnxt_release_flow_lock(bp);
1602 bnxt_update_filter(struct bnxt *bp, struct bnxt_filter_info *old_filter,
1603 struct bnxt_filter_info *new_filter)
1605 /* Clear the new L2 filter that was created in the previous step in
1606 * bnxt_validate_and_parse_flow. For L2 filters, we will use the new
1607 * filter which points to the new destination queue and so we clear
1608 * the previous L2 filter. For ntuple filters, we are going to reuse
1609 * the old L2 filter and create new NTUPLE filter with this new
1610 * destination queue subsequently during bnxt_flow_create. So we
1611 * decrement the ref cnt of the L2 filter that would've been bumped
1612 * up previously in bnxt_validate_and_parse_flow as the old n-tuple
1613 * filter that was referencing it will be deleted now.
1615 bnxt_hwrm_clear_l2_filter(bp, old_filter);
1616 if (new_filter->filter_type == HWRM_CFA_L2_FILTER) {
1617 bnxt_hwrm_set_l2_filter(bp, new_filter->dst_id, new_filter);
1619 if (new_filter->filter_type == HWRM_CFA_EM_FILTER)
1620 bnxt_hwrm_clear_em_filter(bp, old_filter);
1621 if (new_filter->filter_type == HWRM_CFA_NTUPLE_FILTER)
1622 bnxt_hwrm_clear_ntuple_filter(bp, old_filter);
1627 bnxt_match_filter(struct bnxt *bp, struct bnxt_filter_info *nf)
1629 struct bnxt_filter_info *mf;
1630 struct rte_flow *flow;
1633 for (i = bp->max_vnics - 1; i >= 0; i--) {
1634 struct bnxt_vnic_info *vnic = &bp->vnic_info[i];
1636 if (vnic->fw_vnic_id == INVALID_VNIC_ID)
1639 STAILQ_FOREACH(flow, &vnic->flow_list, next) {
1642 if (mf->filter_type == nf->filter_type &&
1643 mf->flags == nf->flags &&
1644 mf->src_port == nf->src_port &&
1645 mf->src_port_mask == nf->src_port_mask &&
1646 mf->dst_port == nf->dst_port &&
1647 mf->dst_port_mask == nf->dst_port_mask &&
1648 mf->ip_protocol == nf->ip_protocol &&
1649 mf->ip_addr_type == nf->ip_addr_type &&
1650 mf->ethertype == nf->ethertype &&
1651 mf->vni == nf->vni &&
1652 mf->tunnel_type == nf->tunnel_type &&
1653 mf->l2_ovlan == nf->l2_ovlan &&
1654 mf->l2_ovlan_mask == nf->l2_ovlan_mask &&
1655 mf->l2_ivlan == nf->l2_ivlan &&
1656 mf->l2_ivlan_mask == nf->l2_ivlan_mask &&
1657 !memcmp(mf->l2_addr, nf->l2_addr,
1658 RTE_ETHER_ADDR_LEN) &&
1659 !memcmp(mf->l2_addr_mask, nf->l2_addr_mask,
1660 RTE_ETHER_ADDR_LEN) &&
1661 !memcmp(mf->src_macaddr, nf->src_macaddr,
1662 RTE_ETHER_ADDR_LEN) &&
1663 !memcmp(mf->dst_macaddr, nf->dst_macaddr,
1664 RTE_ETHER_ADDR_LEN) &&
1665 !memcmp(mf->src_ipaddr, nf->src_ipaddr,
1666 sizeof(nf->src_ipaddr)) &&
1667 !memcmp(mf->src_ipaddr_mask, nf->src_ipaddr_mask,
1668 sizeof(nf->src_ipaddr_mask)) &&
1669 !memcmp(mf->dst_ipaddr, nf->dst_ipaddr,
1670 sizeof(nf->dst_ipaddr)) &&
1671 !memcmp(mf->dst_ipaddr_mask, nf->dst_ipaddr_mask,
1672 sizeof(nf->dst_ipaddr_mask))) {
1673 if (mf->dst_id == nf->dst_id)
1675 /* Free the old filter, update flow
1678 bnxt_update_filter(bp, mf, nf);
1679 STAILQ_REMOVE(&vnic->filter, mf,
1680 bnxt_filter_info, next);
1681 STAILQ_INSERT_TAIL(&vnic->filter, nf, next);
1682 bnxt_free_filter(bp, mf);
1692 bnxt_setup_flow_counter(struct bnxt *bp)
1694 if (bp->fw_cap & BNXT_FW_CAP_ADV_FLOW_COUNTERS &&
1695 !(bp->flags & BNXT_FLAG_FC_THREAD) && BNXT_FLOW_XSTATS_EN(bp)) {
1696 rte_eal_alarm_set(US_PER_S * BNXT_FC_TIMER,
1697 bnxt_flow_cnt_alarm_cb,
1699 bp->flags |= BNXT_FLAG_FC_THREAD;
1703 void bnxt_flow_cnt_alarm_cb(void *arg)
1706 struct bnxt *bp = arg;
1708 if (!bp->flow_stat->rx_fc_out_tbl.va) {
1709 PMD_DRV_LOG(ERR, "bp->flow_stat->rx_fc_out_tbl.va is NULL?\n");
1710 bnxt_cancel_fc_thread(bp);
1714 if (!bp->flow_stat->flow_count) {
1715 bnxt_cancel_fc_thread(bp);
1719 if (!bp->eth_dev->data->dev_started) {
1720 bnxt_cancel_fc_thread(bp);
1724 rc = bnxt_flow_stats_req(bp);
1726 PMD_DRV_LOG(ERR, "Flow stat alarm not rescheduled.\n");
1730 rte_eal_alarm_set(US_PER_S * BNXT_FC_TIMER,
1731 bnxt_flow_cnt_alarm_cb,
1736 static struct rte_flow *
1737 bnxt_flow_create(struct rte_eth_dev *dev,
1738 const struct rte_flow_attr *attr,
1739 const struct rte_flow_item pattern[],
1740 const struct rte_flow_action actions[],
1741 struct rte_flow_error *error)
1743 struct bnxt *bp = dev->data->dev_private;
1744 struct bnxt_vnic_info *vnic = NULL;
1745 struct bnxt_filter_info *filter;
1746 bool update_flow = false;
1747 struct rte_flow *flow;
1749 uint32_t tun_type, flow_id;
1751 if (BNXT_VF(bp) && !BNXT_VF_IS_TRUSTED(bp)) {
1752 rte_flow_error_set(error, EINVAL,
1753 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1754 "Failed to create flow, Not a Trusted VF!");
1758 if (!dev->data->dev_started) {
1759 rte_flow_error_set(error,
1761 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
1763 "Device must be started");
1767 flow = rte_zmalloc("bnxt_flow", sizeof(struct rte_flow), 0);
1769 rte_flow_error_set(error, ENOMEM,
1770 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1771 "Failed to allocate memory");
1775 bnxt_acquire_flow_lock(bp);
1776 ret = bnxt_flow_args_validate(attr, pattern, actions, error);
1778 PMD_DRV_LOG(ERR, "Not a validate flow.\n");
1782 filter = bnxt_get_unused_filter(bp);
1783 if (filter == NULL) {
1784 rte_flow_error_set(error, ENOSPC,
1785 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1786 "Not enough resources for a new flow");
1790 ret = bnxt_validate_and_parse_flow(dev, pattern, actions, attr,
1795 ret = bnxt_match_filter(bp, filter);
1796 if (ret == -EEXIST) {
1797 PMD_DRV_LOG(DEBUG, "Flow already exists.\n");
1798 /* Clear the filter that was created as part of
1799 * validate_and_parse_flow() above
1801 bnxt_hwrm_clear_l2_filter(bp, filter);
1803 } else if (ret == -EXDEV) {
1804 PMD_DRV_LOG(DEBUG, "Flow with same pattern exists\n");
1805 PMD_DRV_LOG(DEBUG, "Updating with different destination\n");
1809 /* If tunnel redirection to a VF/PF is specified then only tunnel_type
1810 * is set and enable is set to the tunnel type. Issue hwrm cmd directly
1813 if (filter->filter_type == HWRM_CFA_TUNNEL_REDIRECT_FILTER &&
1814 filter->enables == filter->tunnel_type) {
1815 ret = bnxt_hwrm_tunnel_redirect_query(bp, &tun_type);
1817 rte_flow_error_set(error, -ret,
1818 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1819 "Unable to query tunnel to VF");
1822 if (tun_type == (1U << filter->tunnel_type)) {
1824 bnxt_hwrm_tunnel_redirect_free(bp,
1825 filter->tunnel_type);
1828 "Unable to free existing tunnel\n");
1829 rte_flow_error_set(error, -ret,
1830 RTE_FLOW_ERROR_TYPE_HANDLE,
1832 "Unable to free preexisting "
1837 ret = bnxt_hwrm_tunnel_redirect(bp, filter->tunnel_type);
1839 rte_flow_error_set(error, -ret,
1840 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1841 "Unable to redirect tunnel to VF");
1844 vnic = &bp->vnic_info[0];
1848 if (filter->filter_type == HWRM_CFA_EM_FILTER) {
1850 HWRM_CFA_EM_FLOW_ALLOC_INPUT_ENABLES_L2_FILTER_ID;
1851 ret = bnxt_hwrm_set_em_filter(bp, filter->dst_id, filter);
1853 rte_flow_error_set(error, -ret,
1854 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1855 "Failed to create EM filter");
1860 if (filter->filter_type == HWRM_CFA_NTUPLE_FILTER) {
1862 HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_ENABLES_L2_FILTER_ID;
1863 ret = bnxt_hwrm_set_ntuple_filter(bp, filter->dst_id, filter);
1865 rte_flow_error_set(error, -ret,
1866 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1867 "Failed to create ntuple filter");
1872 if (BNXT_RFS_NEEDS_VNIC(bp))
1873 vnic = find_matching_vnic(bp, filter);
1875 vnic = BNXT_GET_DEFAULT_VNIC(bp);
1877 if (!ret || update_flow) {
1878 flow->filter = filter;
1885 if (filter->valid_flags & BNXT_FLOW_MARK_FLAG) {
1887 "Mark action: mark id 0x%x, flow id 0x%x\n",
1888 filter->mark, filter->flow_id);
1890 /* TCAM and EM should be 16-bit only.
1891 * Other modes not supported.
1893 flow_id = filter->flow_id & BNXT_FLOW_ID_MASK;
1894 if (bp->mark_table[flow_id].valid) {
1895 rte_flow_error_set(error, EEXIST,
1896 RTE_FLOW_ERROR_TYPE_HANDLE,
1898 "Flow with mark id exists");
1899 bnxt_clear_one_vnic_filter(bp, filter);
1902 bp->mark_table[flow_id].valid = true;
1903 bp->mark_table[flow_id].mark_id = filter->mark;
1906 STAILQ_INSERT_TAIL(&vnic->filter, filter, next);
1907 STAILQ_INSERT_TAIL(&vnic->flow_list, flow, next);
1909 if (BNXT_FLOW_XSTATS_EN(bp))
1910 bp->flow_stat->flow_count++;
1911 bnxt_release_flow_lock(bp);
1912 bnxt_setup_flow_counter(bp);
1913 PMD_DRV_LOG(DEBUG, "Successfully created flow.\n");
1918 bnxt_free_filter(bp, filter);
1921 rte_flow_error_set(error, ret,
1922 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1923 "Matching Flow exists.");
1924 else if (ret == -EXDEV)
1925 rte_flow_error_set(error, 0,
1926 RTE_FLOW_ERROR_TYPE_NONE, NULL,
1927 "Flow with pattern exists, updating destination queue");
1928 else if (!rte_errno)
1929 rte_flow_error_set(error, -ret,
1930 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1931 "Failed to create flow.");
1934 bnxt_release_flow_lock(bp);
1938 static int bnxt_handle_tunnel_redirect_destroy(struct bnxt *bp,
1939 struct bnxt_filter_info *filter,
1940 struct rte_flow_error *error)
1942 uint16_t tun_dst_fid;
1946 ret = bnxt_hwrm_tunnel_redirect_query(bp, &tun_type);
1948 rte_flow_error_set(error, -ret,
1949 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1950 "Unable to query tunnel to VF");
1953 if (tun_type == (1U << filter->tunnel_type)) {
1954 ret = bnxt_hwrm_tunnel_redirect_info(bp, filter->tunnel_type,
1957 rte_flow_error_set(error, -ret,
1958 RTE_FLOW_ERROR_TYPE_HANDLE,
1960 "tunnel_redirect info cmd fail");
1963 PMD_DRV_LOG(INFO, "Pre-existing tunnel fid = %x vf->fid = %x\n",
1964 tun_dst_fid + bp->first_vf_id, bp->fw_fid);
1966 /* Tunnel doesn't belong to this VF, so don't send HWRM
1967 * cmd, just delete the flow from driver
1969 if (bp->fw_fid != (tun_dst_fid + bp->first_vf_id)) {
1971 "Tunnel does not belong to this VF, skip hwrm_tunnel_redirect_free\n");
1973 ret = bnxt_hwrm_tunnel_redirect_free(bp,
1974 filter->tunnel_type);
1976 rte_flow_error_set(error, -ret,
1977 RTE_FLOW_ERROR_TYPE_HANDLE,
1979 "Unable to free tunnel redirection");
1988 _bnxt_flow_destroy(struct bnxt *bp,
1989 struct rte_flow *flow,
1990 struct rte_flow_error *error)
1992 struct bnxt_filter_info *filter;
1993 struct bnxt_vnic_info *vnic;
1997 filter = flow->filter;
2000 if (filter->filter_type == HWRM_CFA_TUNNEL_REDIRECT_FILTER &&
2001 filter->enables == filter->tunnel_type) {
2002 ret = bnxt_handle_tunnel_redirect_destroy(bp, filter, error);
2009 ret = bnxt_match_filter(bp, filter);
2011 PMD_DRV_LOG(ERR, "Could not find matching flow\n");
2013 if (filter->valid_flags & BNXT_FLOW_MARK_FLAG) {
2014 flow_id = filter->flow_id & BNXT_FLOW_ID_MASK;
2015 memset(&bp->mark_table[flow_id], 0,
2016 sizeof(bp->mark_table[flow_id]));
2017 filter->flow_id = 0;
2020 ret = bnxt_clear_one_vnic_filter(bp, filter);
2024 /* If it is a L2 drop filter, when the filter is created,
2025 * the FW updates the BC/MC records.
2026 * Once this filter is removed, issue the set_rx_mask command
2027 * to reset the BC/MC records in the HW to the settings
2028 * before the drop counter is created.
2030 if (filter->valid_flags & BNXT_FLOW_L2_DROP_FLAG)
2031 bnxt_set_rx_mask_no_vlan(bp, &bp->vnic_info[0]);
2033 STAILQ_REMOVE(&vnic->filter, filter, bnxt_filter_info, next);
2034 bnxt_free_filter(bp, filter);
2035 STAILQ_REMOVE(&vnic->flow_list, flow, rte_flow, next);
2037 if (BNXT_FLOW_XSTATS_EN(bp))
2038 bp->flow_stat->flow_count--;
2040 /* If this was the last flow associated with this vnic,
2041 * switch the queue back to RSS pool.
2043 if (vnic && !vnic->func_default &&
2044 STAILQ_EMPTY(&vnic->flow_list)) {
2045 bnxt_vnic_cleanup(bp, vnic);
2049 rte_flow_error_set(error, -ret,
2050 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
2051 "Failed to destroy flow.");
2058 bnxt_flow_destroy(struct rte_eth_dev *dev,
2059 struct rte_flow *flow,
2060 struct rte_flow_error *error)
2062 struct bnxt *bp = dev->data->dev_private;
2065 bnxt_acquire_flow_lock(bp);
2067 rte_flow_error_set(error, EINVAL,
2068 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
2069 "Invalid flow: failed to destroy flow.");
2070 bnxt_release_flow_lock(bp);
2074 if (!flow->filter) {
2075 rte_flow_error_set(error, EINVAL,
2076 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
2077 "Invalid flow: failed to destroy flow.");
2078 bnxt_release_flow_lock(bp);
2081 ret = _bnxt_flow_destroy(bp, flow, error);
2082 bnxt_release_flow_lock(bp);
2087 void bnxt_cancel_fc_thread(struct bnxt *bp)
2089 bp->flags &= ~BNXT_FLAG_FC_THREAD;
2090 rte_eal_alarm_cancel(bnxt_flow_cnt_alarm_cb, (void *)bp);
2094 bnxt_flow_flush(struct rte_eth_dev *dev, struct rte_flow_error *error)
2096 struct bnxt *bp = dev->data->dev_private;
2097 struct bnxt_vnic_info *vnic;
2098 struct rte_flow *flow;
2102 bnxt_acquire_flow_lock(bp);
2103 for (i = 0; i < bp->max_vnics; i++) {
2104 vnic = &bp->vnic_info[i];
2105 if (vnic && vnic->fw_vnic_id == INVALID_VNIC_ID)
2108 while (!STAILQ_EMPTY(&vnic->flow_list)) {
2109 flow = STAILQ_FIRST(&vnic->flow_list);
2114 ret = _bnxt_flow_destroy(bp, flow, error);
2120 bnxt_cancel_fc_thread(bp);
2121 bnxt_release_flow_lock(bp);
2126 const struct rte_flow_ops bnxt_flow_ops = {
2127 .validate = bnxt_flow_validate,
2128 .create = bnxt_flow_create,
2129 .destroy = bnxt_flow_destroy,
2130 .flush = bnxt_flow_flush,