1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2014-2018 Broadcom
9 #include <rte_malloc.h>
11 #include <rte_flow_driver.h>
12 #include <rte_tailq.h>
15 #include "bnxt_filter.h"
16 #include "bnxt_hwrm.h"
17 #include "bnxt_ring.h"
19 #include "bnxt_vnic.h"
20 #include "hsi_struct_def_dpdk.h"
23 bnxt_flow_args_validate(const struct rte_flow_attr *attr,
24 const struct rte_flow_item pattern[],
25 const struct rte_flow_action actions[],
26 struct rte_flow_error *error)
29 rte_flow_error_set(error,
31 RTE_FLOW_ERROR_TYPE_ITEM_NUM,
38 rte_flow_error_set(error,
40 RTE_FLOW_ERROR_TYPE_ACTION_NUM,
47 rte_flow_error_set(error,
49 RTE_FLOW_ERROR_TYPE_ATTR,
58 static const struct rte_flow_item *
59 bnxt_flow_non_void_item(const struct rte_flow_item *cur)
62 if (cur->type != RTE_FLOW_ITEM_TYPE_VOID)
68 static const struct rte_flow_action *
69 bnxt_flow_non_void_action(const struct rte_flow_action *cur)
72 if (cur->type != RTE_FLOW_ACTION_TYPE_VOID)
79 bnxt_filter_type_check(const struct rte_flow_item pattern[],
80 struct rte_flow_error *error)
82 const struct rte_flow_item *item =
83 bnxt_flow_non_void_item(pattern);
87 while (item->type != RTE_FLOW_ITEM_TYPE_END) {
89 case RTE_FLOW_ITEM_TYPE_ANY:
90 case RTE_FLOW_ITEM_TYPE_ETH:
93 case RTE_FLOW_ITEM_TYPE_VLAN:
97 case RTE_FLOW_ITEM_TYPE_IPV4:
98 case RTE_FLOW_ITEM_TYPE_IPV6:
99 case RTE_FLOW_ITEM_TYPE_TCP:
100 case RTE_FLOW_ITEM_TYPE_UDP:
102 /* need ntuple match, reset exact match */
106 PMD_DRV_LOG(DEBUG, "Unknown Flow type\n");
112 if (has_vlan && use_ntuple) {
114 "VLAN flow cannot use NTUPLE filter\n");
115 rte_flow_error_set(error, EINVAL,
116 RTE_FLOW_ERROR_TYPE_ITEM,
118 "Cannot use VLAN with NTUPLE");
126 bnxt_validate_and_parse_flow_type(struct bnxt *bp,
127 const struct rte_flow_attr *attr,
128 const struct rte_flow_item pattern[],
129 struct rte_flow_error *error,
130 struct bnxt_filter_info *filter)
132 const struct rte_flow_item *item = bnxt_flow_non_void_item(pattern);
133 const struct rte_flow_item_vlan *vlan_spec, *vlan_mask;
134 const struct rte_flow_item_ipv4 *ipv4_spec, *ipv4_mask;
135 const struct rte_flow_item_ipv6 *ipv6_spec, *ipv6_mask;
136 const struct rte_flow_item_tcp *tcp_spec, *tcp_mask;
137 const struct rte_flow_item_udp *udp_spec, *udp_mask;
138 const struct rte_flow_item_eth *eth_spec, *eth_mask;
139 const struct rte_ether_addr *dst, *src;
140 const struct rte_flow_item_nvgre *nvgre_spec;
141 const struct rte_flow_item_nvgre *nvgre_mask;
142 const struct rte_flow_item_gre *gre_spec;
143 const struct rte_flow_item_gre *gre_mask;
144 const struct rte_flow_item_vxlan *vxlan_spec;
145 const struct rte_flow_item_vxlan *vxlan_mask;
146 uint8_t vni_mask[] = {0xFF, 0xFF, 0xFF};
147 uint8_t tni_mask[] = {0xFF, 0xFF, 0xFF};
148 const struct rte_flow_item_vf *vf_spec;
149 uint32_t tenant_id_be = 0, valid_flags = 0;
152 uint32_t en_ethertype;
159 use_ntuple = bnxt_filter_type_check(pattern, error);
162 PMD_DRV_LOG(DEBUG, "Use NTUPLE %d\n", use_ntuple);
164 filter->filter_type = use_ntuple ?
165 HWRM_CFA_NTUPLE_FILTER : HWRM_CFA_L2_FILTER;
166 en_ethertype = use_ntuple ?
167 NTUPLE_FLTR_ALLOC_INPUT_EN_ETHERTYPE :
168 EM_FLOW_ALLOC_INPUT_EN_ETHERTYPE;
170 while (item->type != RTE_FLOW_ITEM_TYPE_END) {
172 /* last or range is NOT supported as match criteria */
173 rte_flow_error_set(error, EINVAL,
174 RTE_FLOW_ERROR_TYPE_ITEM,
176 "No support for range");
180 switch (item->type) {
181 case RTE_FLOW_ITEM_TYPE_ANY:
183 ((const struct rte_flow_item_any *)item->spec)->num > 3;
185 PMD_DRV_LOG(DEBUG, "Parse inner header\n");
187 case RTE_FLOW_ITEM_TYPE_ETH:
188 if (!item->spec || !item->mask)
191 eth_spec = item->spec;
192 eth_mask = item->mask;
194 /* Source MAC address mask cannot be partially set.
195 * Should be All 0's or all 1's.
196 * Destination MAC address mask must not be partially
197 * set. Should be all 1's or all 0's.
199 if ((!rte_is_zero_ether_addr(ð_mask->src) &&
200 !rte_is_broadcast_ether_addr(ð_mask->src)) ||
201 (!rte_is_zero_ether_addr(ð_mask->dst) &&
202 !rte_is_broadcast_ether_addr(ð_mask->dst))) {
203 rte_flow_error_set(error,
205 RTE_FLOW_ERROR_TYPE_ITEM,
207 "MAC_addr mask not valid");
211 /* Mask is not allowed. Only exact matches are */
212 if (eth_mask->type &&
213 eth_mask->type != RTE_BE16(0xffff)) {
214 rte_flow_error_set(error, EINVAL,
215 RTE_FLOW_ERROR_TYPE_ITEM,
217 "ethertype mask not valid");
221 if (rte_is_broadcast_ether_addr(ð_mask->dst)) {
222 dst = ð_spec->dst;
223 if (!rte_is_valid_assigned_ether_addr(dst)) {
224 rte_flow_error_set(error,
226 RTE_FLOW_ERROR_TYPE_ITEM,
230 "DMAC is invalid!\n");
233 rte_memcpy(filter->dst_macaddr,
234 ð_spec->dst, RTE_ETHER_ADDR_LEN);
236 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_MACADDR :
237 EM_FLOW_ALLOC_INPUT_EN_DST_MACADDR;
238 valid_flags |= inner ?
239 BNXT_FLOW_L2_INNER_DST_VALID_FLAG :
240 BNXT_FLOW_L2_DST_VALID_FLAG;
241 filter->priority = attr->priority;
243 "Creating a priority flow\n");
245 if (rte_is_broadcast_ether_addr(ð_mask->src)) {
246 src = ð_spec->src;
247 if (!rte_is_valid_assigned_ether_addr(src)) {
248 rte_flow_error_set(error,
250 RTE_FLOW_ERROR_TYPE_ITEM,
254 "SMAC is invalid!\n");
257 rte_memcpy(filter->src_macaddr,
258 ð_spec->src, RTE_ETHER_ADDR_LEN);
260 NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_MACADDR :
261 EM_FLOW_ALLOC_INPUT_EN_SRC_MACADDR;
262 valid_flags |= inner ?
263 BNXT_FLOW_L2_INNER_SRC_VALID_FLAG :
264 BNXT_FLOW_L2_SRC_VALID_FLAG;
267 * PMD_DRV_LOG(ERR, "Handle this condition\n");
270 if (eth_mask->type) {
272 rte_be_to_cpu_16(eth_spec->type);
276 valid_flags |= BNXT_FLOW_PARSE_INNER_FLAG;
279 case RTE_FLOW_ITEM_TYPE_VLAN:
280 vlan_spec = item->spec;
281 vlan_mask = item->mask;
282 if (en & en_ethertype) {
283 rte_flow_error_set(error, EINVAL,
284 RTE_FLOW_ERROR_TYPE_ITEM,
286 "VLAN TPID matching is not"
290 if (vlan_mask->tci &&
291 vlan_mask->tci == RTE_BE16(0x0fff)) {
292 /* Only the VLAN ID can be matched. */
294 rte_be_to_cpu_16(vlan_spec->tci &
296 en |= EM_FLOW_ALLOC_INPUT_EN_OVLAN_VID;
298 rte_flow_error_set(error,
300 RTE_FLOW_ERROR_TYPE_ITEM,
302 "VLAN mask is invalid");
305 if (vlan_mask->inner_type &&
306 vlan_mask->inner_type != RTE_BE16(0xffff)) {
307 rte_flow_error_set(error, EINVAL,
308 RTE_FLOW_ERROR_TYPE_ITEM,
310 "inner ethertype mask not"
314 if (vlan_mask->inner_type) {
316 rte_be_to_cpu_16(vlan_spec->inner_type);
321 case RTE_FLOW_ITEM_TYPE_IPV4:
322 /* If mask is not involved, we could use EM filters. */
323 ipv4_spec = item->spec;
324 ipv4_mask = item->mask;
326 if (!item->spec || !item->mask)
329 /* Only IP DST and SRC fields are maskable. */
330 if (ipv4_mask->hdr.version_ihl ||
331 ipv4_mask->hdr.type_of_service ||
332 ipv4_mask->hdr.total_length ||
333 ipv4_mask->hdr.packet_id ||
334 ipv4_mask->hdr.fragment_offset ||
335 ipv4_mask->hdr.time_to_live ||
336 ipv4_mask->hdr.next_proto_id ||
337 ipv4_mask->hdr.hdr_checksum) {
338 rte_flow_error_set(error,
340 RTE_FLOW_ERROR_TYPE_ITEM,
342 "Invalid IPv4 mask.");
346 filter->dst_ipaddr[0] = ipv4_spec->hdr.dst_addr;
347 filter->src_ipaddr[0] = ipv4_spec->hdr.src_addr;
350 en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR |
351 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR;
353 en |= EM_FLOW_ALLOC_INPUT_EN_SRC_IPADDR |
354 EM_FLOW_ALLOC_INPUT_EN_DST_IPADDR;
356 if (ipv4_mask->hdr.src_addr) {
357 filter->src_ipaddr_mask[0] =
358 ipv4_mask->hdr.src_addr;
359 en |= !use_ntuple ? 0 :
360 NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR_MASK;
363 if (ipv4_mask->hdr.dst_addr) {
364 filter->dst_ipaddr_mask[0] =
365 ipv4_mask->hdr.dst_addr;
366 en |= !use_ntuple ? 0 :
367 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR_MASK;
370 filter->ip_addr_type = use_ntuple ?
371 HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_IP_ADDR_TYPE_IPV4 :
372 HWRM_CFA_EM_FLOW_ALLOC_INPUT_IP_ADDR_TYPE_IPV4;
374 if (ipv4_spec->hdr.next_proto_id) {
375 filter->ip_protocol =
376 ipv4_spec->hdr.next_proto_id;
378 en |= NTUPLE_FLTR_ALLOC_IN_EN_IP_PROTO;
380 en |= EM_FLOW_ALLOC_INPUT_EN_IP_PROTO;
383 case RTE_FLOW_ITEM_TYPE_IPV6:
384 ipv6_spec = item->spec;
385 ipv6_mask = item->mask;
387 if (!item->spec || !item->mask)
390 /* Only IP DST and SRC fields are maskable. */
391 if (ipv6_mask->hdr.vtc_flow ||
392 ipv6_mask->hdr.payload_len ||
393 ipv6_mask->hdr.proto ||
394 ipv6_mask->hdr.hop_limits) {
395 rte_flow_error_set(error,
397 RTE_FLOW_ERROR_TYPE_ITEM,
399 "Invalid IPv6 mask.");
404 en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR |
405 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR;
407 en |= EM_FLOW_ALLOC_INPUT_EN_SRC_IPADDR |
408 EM_FLOW_ALLOC_INPUT_EN_DST_IPADDR;
410 rte_memcpy(filter->src_ipaddr,
411 ipv6_spec->hdr.src_addr, 16);
412 rte_memcpy(filter->dst_ipaddr,
413 ipv6_spec->hdr.dst_addr, 16);
415 if (!bnxt_check_zero_bytes(ipv6_mask->hdr.src_addr,
417 rte_memcpy(filter->src_ipaddr_mask,
418 ipv6_mask->hdr.src_addr, 16);
419 en |= !use_ntuple ? 0 :
420 NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR_MASK;
423 if (!bnxt_check_zero_bytes(ipv6_mask->hdr.dst_addr,
425 rte_memcpy(filter->dst_ipaddr_mask,
426 ipv6_mask->hdr.dst_addr, 16);
427 en |= !use_ntuple ? 0 :
428 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR_MASK;
431 filter->ip_addr_type = use_ntuple ?
432 NTUPLE_FLTR_ALLOC_INPUT_IP_ADDR_TYPE_IPV6 :
433 EM_FLOW_ALLOC_INPUT_IP_ADDR_TYPE_IPV6;
435 case RTE_FLOW_ITEM_TYPE_TCP:
436 tcp_spec = item->spec;
437 tcp_mask = item->mask;
439 if (!item->spec || !item->mask)
442 /* Check TCP mask. Only DST & SRC ports are maskable */
443 if (tcp_mask->hdr.sent_seq ||
444 tcp_mask->hdr.recv_ack ||
445 tcp_mask->hdr.data_off ||
446 tcp_mask->hdr.tcp_flags ||
447 tcp_mask->hdr.rx_win ||
448 tcp_mask->hdr.cksum ||
449 tcp_mask->hdr.tcp_urp) {
450 rte_flow_error_set(error,
452 RTE_FLOW_ERROR_TYPE_ITEM,
458 filter->src_port = tcp_spec->hdr.src_port;
459 filter->dst_port = tcp_spec->hdr.dst_port;
462 en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_PORT |
463 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_PORT;
465 en |= EM_FLOW_ALLOC_INPUT_EN_SRC_PORT |
466 EM_FLOW_ALLOC_INPUT_EN_DST_PORT;
468 if (tcp_mask->hdr.dst_port) {
469 filter->dst_port_mask = tcp_mask->hdr.dst_port;
470 en |= !use_ntuple ? 0 :
471 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_PORT_MASK;
474 if (tcp_mask->hdr.src_port) {
475 filter->src_port_mask = tcp_mask->hdr.src_port;
476 en |= !use_ntuple ? 0 :
477 NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_PORT_MASK;
480 case RTE_FLOW_ITEM_TYPE_UDP:
481 udp_spec = item->spec;
482 udp_mask = item->mask;
484 if (!item->spec || !item->mask)
487 if (udp_mask->hdr.dgram_len ||
488 udp_mask->hdr.dgram_cksum) {
489 rte_flow_error_set(error,
491 RTE_FLOW_ERROR_TYPE_ITEM,
497 filter->src_port = udp_spec->hdr.src_port;
498 filter->dst_port = udp_spec->hdr.dst_port;
501 en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_PORT |
502 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_PORT;
504 en |= EM_FLOW_ALLOC_INPUT_EN_SRC_PORT |
505 EM_FLOW_ALLOC_INPUT_EN_DST_PORT;
507 if (udp_mask->hdr.dst_port) {
508 filter->dst_port_mask = udp_mask->hdr.dst_port;
509 en |= !use_ntuple ? 0 :
510 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_PORT_MASK;
513 if (udp_mask->hdr.src_port) {
514 filter->src_port_mask = udp_mask->hdr.src_port;
515 en |= !use_ntuple ? 0 :
516 NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_PORT_MASK;
519 case RTE_FLOW_ITEM_TYPE_VXLAN:
520 vxlan_spec = item->spec;
521 vxlan_mask = item->mask;
522 /* Check if VXLAN item is used to describe protocol.
523 * If yes, both spec and mask should be NULL.
524 * If no, both spec and mask shouldn't be NULL.
526 if ((!vxlan_spec && vxlan_mask) ||
527 (vxlan_spec && !vxlan_mask)) {
528 rte_flow_error_set(error,
530 RTE_FLOW_ERROR_TYPE_ITEM,
532 "Invalid VXLAN item");
536 if (!vxlan_spec && !vxlan_mask) {
537 filter->tunnel_type =
538 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_VXLAN;
542 if (vxlan_spec->rsvd1 || vxlan_spec->rsvd0[0] ||
543 vxlan_spec->rsvd0[1] || vxlan_spec->rsvd0[2] ||
544 vxlan_spec->flags != 0x8) {
545 rte_flow_error_set(error,
547 RTE_FLOW_ERROR_TYPE_ITEM,
549 "Invalid VXLAN item");
553 /* Check if VNI is masked. */
554 if (vxlan_spec && vxlan_mask) {
556 !!memcmp(vxlan_mask->vni, vni_mask,
562 RTE_FLOW_ERROR_TYPE_ITEM,
568 rte_memcpy(((uint8_t *)&tenant_id_be + 1),
571 rte_be_to_cpu_32(tenant_id_be);
572 filter->tunnel_type =
573 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_VXLAN;
576 case RTE_FLOW_ITEM_TYPE_NVGRE:
577 nvgre_spec = item->spec;
578 nvgre_mask = item->mask;
579 /* Check if NVGRE item is used to describe protocol.
580 * If yes, both spec and mask should be NULL.
581 * If no, both spec and mask shouldn't be NULL.
583 if ((!nvgre_spec && nvgre_mask) ||
584 (nvgre_spec && !nvgre_mask)) {
585 rte_flow_error_set(error,
587 RTE_FLOW_ERROR_TYPE_ITEM,
589 "Invalid NVGRE item");
593 if (!nvgre_spec && !nvgre_mask) {
594 filter->tunnel_type =
595 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_NVGRE;
599 if (nvgre_spec->c_k_s_rsvd0_ver != 0x2000 ||
600 nvgre_spec->protocol != 0x6558) {
601 rte_flow_error_set(error,
603 RTE_FLOW_ERROR_TYPE_ITEM,
605 "Invalid NVGRE item");
609 if (nvgre_spec && nvgre_mask) {
611 !!memcmp(nvgre_mask->tni, tni_mask,
617 RTE_FLOW_ERROR_TYPE_ITEM,
622 rte_memcpy(((uint8_t *)&tenant_id_be + 1),
625 rte_be_to_cpu_32(tenant_id_be);
626 filter->tunnel_type =
627 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_NVGRE;
631 case RTE_FLOW_ITEM_TYPE_GRE:
632 gre_spec = (const struct rte_flow_item_gre *)item->spec;
633 gre_mask = (const struct rte_flow_item_gre *)item->mask;
636 *Check if GRE item is used to describe protocol.
637 * If yes, both spec and mask should be NULL.
638 * If no, both spec and mask shouldn't be NULL.
640 if (!!gre_spec ^ !!gre_mask) {
641 rte_flow_error_set(error, EINVAL,
642 RTE_FLOW_ERROR_TYPE_ITEM,
648 if (!gre_spec && !gre_mask) {
649 filter->tunnel_type =
650 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_IPGRE;
655 case RTE_FLOW_ITEM_TYPE_VF:
656 vf_spec = item->spec;
659 rte_flow_error_set(error,
661 RTE_FLOW_ERROR_TYPE_ITEM,
663 "Configuring on a VF!");
667 if (vf >= bp->pdev->max_vfs) {
668 rte_flow_error_set(error,
670 RTE_FLOW_ERROR_TYPE_ITEM,
676 if (!attr->transfer) {
677 rte_flow_error_set(error,
679 RTE_FLOW_ERROR_TYPE_ITEM,
681 "Matching VF traffic without"
682 " affecting it (transfer attribute)"
687 filter->mirror_vnic_id =
688 dflt_vnic = bnxt_hwrm_func_qcfg_vf_dflt_vnic_id(bp, vf);
690 /* This simply indicates there's no driver
691 * loaded. This is not an error.
696 RTE_FLOW_ERROR_TYPE_ITEM,
698 "Unable to get default VNIC for VF");
702 filter->mirror_vnic_id = dflt_vnic;
703 en |= NTUPLE_FLTR_ALLOC_INPUT_EN_MIRROR_VNIC_ID;
710 filter->enables = en;
711 filter->valid_flags = valid_flags;
716 /* Parse attributes */
718 bnxt_flow_parse_attr(const struct rte_flow_attr *attr,
719 struct rte_flow_error *error)
721 /* Must be input direction */
722 if (!attr->ingress) {
723 rte_flow_error_set(error,
725 RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
727 "Only support ingress.");
733 rte_flow_error_set(error,
735 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS,
737 "No support for egress.");
744 static struct bnxt_filter_info *
745 bnxt_find_matching_l2_filter(struct bnxt *bp, struct bnxt_filter_info *nf)
747 struct bnxt_filter_info *mf, *f0;
748 struct bnxt_vnic_info *vnic0;
751 vnic0 = BNXT_GET_DEFAULT_VNIC(bp);
752 f0 = STAILQ_FIRST(&vnic0->filter);
754 /* This flow has same DST MAC as the port/l2 filter. */
755 if (memcmp(f0->l2_addr, nf->dst_macaddr, RTE_ETHER_ADDR_LEN) == 0)
758 for (i = bp->max_vnics - 1; i >= 0; i--) {
759 struct bnxt_vnic_info *vnic = &bp->vnic_info[i];
761 if (vnic->fw_vnic_id == INVALID_VNIC_ID)
764 STAILQ_FOREACH(mf, &vnic->filter, next) {
766 if (mf->matching_l2_fltr_ptr)
769 if (mf->ethertype == nf->ethertype &&
770 mf->l2_ovlan == nf->l2_ovlan &&
771 mf->l2_ovlan_mask == nf->l2_ovlan_mask &&
772 mf->l2_ivlan == nf->l2_ivlan &&
773 mf->l2_ivlan_mask == nf->l2_ivlan_mask &&
774 !memcmp(mf->src_macaddr, nf->src_macaddr,
775 RTE_ETHER_ADDR_LEN) &&
776 !memcmp(mf->dst_macaddr, nf->dst_macaddr,
784 static struct bnxt_filter_info *
785 bnxt_create_l2_filter(struct bnxt *bp, struct bnxt_filter_info *nf,
786 struct bnxt_vnic_info *vnic)
788 struct bnxt_filter_info *filter1;
791 /* Alloc new L2 filter.
792 * This flow needs MAC filter which does not match any existing
795 filter1 = bnxt_get_unused_filter(bp);
799 memcpy(filter1, nf, sizeof(*filter1));
801 filter1->flags = HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_XDP_DISABLE;
802 filter1->flags |= HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_PATH_RX;
803 if (nf->valid_flags & BNXT_FLOW_L2_SRC_VALID_FLAG ||
804 nf->valid_flags & BNXT_FLOW_L2_DST_VALID_FLAG) {
806 HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_OUTERMOST;
807 PMD_DRV_LOG(DEBUG, "Create Outer filter\n");
810 if (nf->filter_type == HWRM_CFA_L2_FILTER &&
811 (nf->valid_flags & BNXT_FLOW_L2_SRC_VALID_FLAG ||
812 nf->valid_flags & BNXT_FLOW_L2_INNER_SRC_VALID_FLAG)) {
813 PMD_DRV_LOG(DEBUG, "Create L2 filter for SRC MAC\n");
815 HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_SOURCE_VALID;
816 memcpy(filter1->l2_addr, nf->src_macaddr, RTE_ETHER_ADDR_LEN);
818 PMD_DRV_LOG(DEBUG, "Create L2 filter for DST MAC\n");
819 memcpy(filter1->l2_addr, nf->dst_macaddr, RTE_ETHER_ADDR_LEN);
823 (nf->valid_flags & BNXT_FLOW_L2_DST_VALID_FLAG ||
824 nf->valid_flags & BNXT_FLOW_L2_INNER_DST_VALID_FLAG)) {
825 /* Tell the FW where to place the filter in the table. */
826 if (nf->priority > 65535) {
828 HWRM_CFA_L2_FILTER_ALLOC_INPUT_PRI_HINT_BELOW_FILTER;
829 /* This will place the filter in TCAM */
830 filter1->l2_filter_id_hint = (uint64_t)-1;
834 if (nf->valid_flags & (BNXT_FLOW_L2_DST_VALID_FLAG |
835 BNXT_FLOW_L2_SRC_VALID_FLAG |
836 BNXT_FLOW_L2_INNER_SRC_VALID_FLAG |
837 BNXT_FLOW_L2_INNER_DST_VALID_FLAG)) {
839 HWRM_CFA_L2_FILTER_ALLOC_INPUT_ENABLES_L2_ADDR |
840 L2_FILTER_ALLOC_INPUT_EN_L2_ADDR_MASK;
841 memset(filter1->l2_addr_mask, 0xff, RTE_ETHER_ADDR_LEN);
844 if (nf->valid_flags & BNXT_FLOW_L2_DROP_FLAG) {
846 HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_DROP;
847 if (nf->ethertype == RTE_ETHER_TYPE_IPV4) {
848 /* Num VLANs for drop filter will/should be 0.
849 * If the req is memset to 0, then the count will
850 * be automatically set to 0.
852 if (nf->valid_flags & BNXT_FLOW_PARSE_INNER_FLAG) {
854 L2_FILTER_ALLOC_INPUT_EN_T_NUM_VLANS;
857 L2_FILTER_ALLOC_INPUT_EN_NUM_VLANS;
859 HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_OUTERMOST;
864 rc = bnxt_hwrm_set_l2_filter(bp, vnic->fw_vnic_id,
867 bnxt_free_filter(bp, filter1);
870 filter1->l2_ref_cnt++;
874 struct bnxt_filter_info *
875 bnxt_get_l2_filter(struct bnxt *bp, struct bnxt_filter_info *nf,
876 struct bnxt_vnic_info *vnic)
878 struct bnxt_filter_info *l2_filter = NULL;
880 l2_filter = bnxt_find_matching_l2_filter(bp, nf);
882 l2_filter->l2_ref_cnt++;
884 l2_filter = bnxt_create_l2_filter(bp, nf, vnic);
886 STAILQ_INSERT_TAIL(&vnic->filter, l2_filter, next);
887 l2_filter->vnic = vnic;
890 nf->matching_l2_fltr_ptr = l2_filter;
895 static int bnxt_vnic_prep(struct bnxt *bp, struct bnxt_vnic_info *vnic)
897 struct rte_eth_conf *dev_conf = &bp->eth_dev->data->dev_conf;
898 uint64_t rx_offloads = dev_conf->rxmode.offloads;
901 rc = bnxt_vnic_grp_alloc(bp, vnic);
905 rc = bnxt_hwrm_vnic_alloc(bp, vnic);
907 PMD_DRV_LOG(ERR, "HWRM vnic alloc failure rc: %x\n", rc);
912 /* RSS context is required only when there is more than one RSS ring */
913 if (vnic->rx_queue_cnt > 1) {
914 rc = bnxt_hwrm_vnic_ctx_alloc(bp, vnic, 0 /* ctx_idx 0 */);
917 "HWRM vnic ctx alloc failure: %x\n", rc);
921 PMD_DRV_LOG(DEBUG, "No RSS context required\n");
924 if (rx_offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
925 vnic->vlan_strip = true;
927 vnic->vlan_strip = false;
929 rc = bnxt_hwrm_vnic_cfg(bp, vnic);
933 bnxt_hwrm_vnic_plcmode_cfg(bp, vnic);
939 static int match_vnic_rss_cfg(struct bnxt *bp,
940 struct bnxt_vnic_info *vnic,
941 const struct rte_flow_action_rss *rss)
943 unsigned int match = 0, i;
945 if (vnic->rx_queue_cnt != rss->queue_num)
948 for (i = 0; i < rss->queue_num; i++) {
949 if (!bp->rx_queues[rss->queue[i]]->vnic->rx_queue_cnt &&
950 !bp->rx_queues[rss->queue[i]]->rx_started)
954 for (i = 0; i < vnic->rx_queue_cnt; i++) {
957 for (j = 0; j < vnic->rx_queue_cnt; j++) {
958 if (bp->grp_info[rss->queue[i]].fw_grp_id ==
964 if (match != vnic->rx_queue_cnt) {
966 "VNIC queue count %d vs queues matched %d\n",
967 match, vnic->rx_queue_cnt);
975 bnxt_update_filter_flags_en(struct bnxt_filter_info *filter,
976 struct bnxt_filter_info *filter1,
980 !(filter->valid_flags &
981 ~(BNXT_FLOW_L2_DST_VALID_FLAG |
982 BNXT_FLOW_L2_SRC_VALID_FLAG |
983 BNXT_FLOW_L2_INNER_SRC_VALID_FLAG |
984 BNXT_FLOW_L2_INNER_DST_VALID_FLAG |
985 BNXT_FLOW_L2_DROP_FLAG |
986 BNXT_FLOW_PARSE_INNER_FLAG))) {
987 filter->flags = filter1->flags;
988 filter->enables = filter1->enables;
989 filter->filter_type = HWRM_CFA_L2_FILTER;
990 memcpy(filter->l2_addr, filter1->l2_addr, RTE_ETHER_ADDR_LEN);
991 memset(filter->l2_addr_mask, 0xff, RTE_ETHER_ADDR_LEN);
992 filter->pri_hint = filter1->pri_hint;
993 filter->l2_filter_id_hint = filter1->l2_filter_id_hint;
995 filter->fw_l2_filter_id = filter1->fw_l2_filter_id;
996 filter->l2_ref_cnt = filter1->l2_ref_cnt;
997 filter->flow_id = filter1->flow_id;
999 "l2_filter: %p fw_l2_filter_id %" PRIx64 " l2_ref_cnt %u\n",
1000 filter1, filter->fw_l2_filter_id, filter->l2_ref_cnt);
1004 bnxt_validate_and_parse_flow(struct rte_eth_dev *dev,
1005 const struct rte_flow_item pattern[],
1006 const struct rte_flow_action actions[],
1007 const struct rte_flow_attr *attr,
1008 struct rte_flow_error *error,
1009 struct bnxt_filter_info *filter)
1011 const struct rte_flow_action *act =
1012 bnxt_flow_non_void_action(actions);
1013 struct bnxt *bp = dev->data->dev_private;
1014 struct rte_eth_conf *dev_conf = &bp->eth_dev->data->dev_conf;
1015 struct bnxt_vnic_info *vnic = NULL, *vnic0 = NULL;
1016 const struct rte_flow_action_queue *act_q;
1017 const struct rte_flow_action_vf *act_vf;
1018 struct bnxt_filter_info *filter1 = NULL;
1019 const struct rte_flow_action_rss *rss;
1020 struct bnxt_rx_queue *rxq = NULL;
1021 int dflt_vnic, vnic_id;
1022 unsigned int rss_idx;
1027 bnxt_validate_and_parse_flow_type(bp, attr, pattern, error, filter);
1031 rc = bnxt_flow_parse_attr(attr, error);
1035 /* Since we support ingress attribute only - right now. */
1036 if (filter->filter_type == HWRM_CFA_EM_FILTER)
1037 filter->flags = HWRM_CFA_EM_FLOW_ALLOC_INPUT_FLAGS_PATH_RX;
1039 use_ntuple = bnxt_filter_type_check(pattern, error);
1042 switch (act->type) {
1043 case RTE_FLOW_ACTION_TYPE_QUEUE:
1044 /* Allow this flow. Redirect to a VNIC. */
1045 act_q = (const struct rte_flow_action_queue *)act->conf;
1046 if (!act_q->index || act_q->index >= bp->rx_nr_rings) {
1047 rte_flow_error_set(error,
1049 RTE_FLOW_ERROR_TYPE_ACTION,
1051 "Invalid queue ID.");
1055 PMD_DRV_LOG(DEBUG, "Queue index %d\n", act_q->index);
1057 vnic_id = attr->group;
1059 PMD_DRV_LOG(DEBUG, "Group id is 0\n");
1060 vnic_id = act_q->index;
1063 vnic = &bp->vnic_info[vnic_id];
1065 rte_flow_error_set(error,
1067 RTE_FLOW_ERROR_TYPE_ACTION,
1069 "No matching VNIC found.");
1073 if (vnic->rx_queue_cnt) {
1074 if (vnic->start_grp_id != act_q->index) {
1076 "VNIC already in use\n");
1077 rte_flow_error_set(error,
1079 RTE_FLOW_ERROR_TYPE_ACTION,
1081 "VNIC already in use");
1088 rxq = bp->rx_queues[act_q->index];
1090 if (!(dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS) && rxq &&
1091 vnic->fw_vnic_id != INVALID_HW_RING_ID)
1096 "Queue invalid or used with other VNIC\n");
1097 rte_flow_error_set(error,
1099 RTE_FLOW_ERROR_TYPE_ACTION,
1101 "Queue invalid queue or in use");
1107 rxq->rx_started = 1;
1108 vnic->rx_queue_cnt++;
1109 vnic->start_grp_id = act_q->index;
1110 vnic->end_grp_id = act_q->index;
1111 vnic->func_default = 0; //This is not a default VNIC.
1113 PMD_DRV_LOG(DEBUG, "VNIC found\n");
1115 rc = bnxt_vnic_prep(bp, vnic);
1117 rte_flow_error_set(error,
1119 RTE_FLOW_ERROR_TYPE_ACTION,
1127 "vnic[%d] = %p vnic->fw_grp_ids = %p\n",
1128 act_q->index, vnic, vnic->fw_grp_ids);
1131 vnic->ff_pool_idx = vnic_id;
1133 "Setting vnic ff_idx %d\n", vnic->ff_pool_idx);
1134 filter->dst_id = vnic->fw_vnic_id;
1136 /* For ntuple filter, create the L2 filter with default VNIC.
1137 * The user specified redirect queue will be set while creating
1138 * the ntuple filter in hardware.
1140 vnic0 = BNXT_GET_DEFAULT_VNIC(bp);
1142 filter1 = bnxt_get_l2_filter(bp, filter, vnic0);
1144 filter1 = bnxt_get_l2_filter(bp, filter, vnic);
1145 if (filter1 == NULL) {
1146 rte_flow_error_set(error,
1148 RTE_FLOW_ERROR_TYPE_ACTION,
1150 "Filter not available");
1155 PMD_DRV_LOG(DEBUG, "new fltr: %p l2fltr: %p l2_ref_cnt: %d\n",
1156 filter, filter1, filter1->l2_ref_cnt);
1157 bnxt_update_filter_flags_en(filter, filter1, use_ntuple);
1159 case RTE_FLOW_ACTION_TYPE_DROP:
1160 vnic0 = &bp->vnic_info[0];
1161 filter->dst_id = vnic0->fw_vnic_id;
1162 filter->valid_flags |= BNXT_FLOW_L2_DROP_FLAG;
1163 filter1 = bnxt_get_l2_filter(bp, filter, vnic0);
1164 if (filter1 == NULL) {
1165 rte_flow_error_set(error,
1167 RTE_FLOW_ERROR_TYPE_ACTION,
1169 "Filter not available");
1174 if (filter->filter_type == HWRM_CFA_EM_FILTER)
1176 HWRM_CFA_EM_FLOW_ALLOC_INPUT_FLAGS_DROP;
1177 else if (filter->filter_type == HWRM_CFA_NTUPLE_FILTER)
1179 HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_FLAGS_DROP;
1181 bnxt_update_filter_flags_en(filter, filter1, use_ntuple);
1183 case RTE_FLOW_ACTION_TYPE_COUNT:
1184 vnic0 = &bp->vnic_info[0];
1185 filter1 = bnxt_get_l2_filter(bp, filter, vnic0);
1186 if (filter1 == NULL) {
1187 rte_flow_error_set(error,
1189 RTE_FLOW_ERROR_TYPE_ACTION,
1191 "New filter not available");
1196 filter->fw_l2_filter_id = filter1->fw_l2_filter_id;
1197 filter->flow_id = filter1->flow_id;
1198 filter->flags = HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_FLAGS_METER;
1200 case RTE_FLOW_ACTION_TYPE_VF:
1201 act_vf = (const struct rte_flow_action_vf *)act->conf;
1204 if (filter->tunnel_type ==
1205 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_VXLAN ||
1206 filter->tunnel_type ==
1207 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_IPGRE) {
1208 /* If issued on a VF, ensure id is 0 and is trusted */
1210 if (!BNXT_VF_IS_TRUSTED(bp) || vf) {
1211 rte_flow_error_set(error, EINVAL,
1212 RTE_FLOW_ERROR_TYPE_ACTION,
1220 filter->enables |= filter->tunnel_type;
1221 filter->filter_type = HWRM_CFA_TUNNEL_REDIRECT_FILTER;
1225 if (vf >= bp->pdev->max_vfs) {
1226 rte_flow_error_set(error,
1228 RTE_FLOW_ERROR_TYPE_ACTION,
1230 "Incorrect VF id!");
1235 filter->mirror_vnic_id =
1236 dflt_vnic = bnxt_hwrm_func_qcfg_vf_dflt_vnic_id(bp, vf);
1237 if (dflt_vnic < 0) {
1238 /* This simply indicates there's no driver loaded.
1239 * This is not an error.
1241 rte_flow_error_set(error,
1243 RTE_FLOW_ERROR_TYPE_ACTION,
1245 "Unable to get default VNIC for VF");
1250 filter->mirror_vnic_id = dflt_vnic;
1251 filter->enables |= NTUPLE_FLTR_ALLOC_INPUT_EN_MIRROR_VNIC_ID;
1253 vnic0 = &bp->vnic_info[0];
1254 filter1 = bnxt_get_l2_filter(bp, filter, vnic0);
1255 if (filter1 == NULL) {
1256 rte_flow_error_set(error,
1258 RTE_FLOW_ERROR_TYPE_ACTION,
1260 "New filter not available");
1265 filter->fw_l2_filter_id = filter1->fw_l2_filter_id;
1266 filter->flow_id = filter1->flow_id;
1268 case RTE_FLOW_ACTION_TYPE_RSS:
1269 rss = (const struct rte_flow_action_rss *)act->conf;
1271 vnic_id = attr->group;
1273 PMD_DRV_LOG(ERR, "Group id cannot be 0\n");
1274 rte_flow_error_set(error,
1276 RTE_FLOW_ERROR_TYPE_ATTR,
1278 "Group id cannot be 0");
1283 vnic = &bp->vnic_info[vnic_id];
1285 rte_flow_error_set(error,
1287 RTE_FLOW_ERROR_TYPE_ACTION,
1289 "No matching VNIC for RSS group.");
1293 PMD_DRV_LOG(DEBUG, "VNIC found\n");
1295 /* Check if requested RSS config matches RSS config of VNIC
1296 * only if it is not a fresh VNIC configuration.
1297 * Otherwise the existing VNIC configuration can be used.
1299 if (vnic->rx_queue_cnt) {
1300 rc = match_vnic_rss_cfg(bp, vnic, rss);
1303 "VNIC and RSS config mismatch\n");
1304 rte_flow_error_set(error,
1306 RTE_FLOW_ERROR_TYPE_ACTION,
1308 "VNIC and RSS cfg mismatch");
1315 for (i = 0; i < rss->queue_num; i++) {
1316 PMD_DRV_LOG(DEBUG, "RSS action Queue %d\n",
1319 if (!rss->queue[i] ||
1320 rss->queue[i] >= bp->rx_nr_rings ||
1321 !bp->rx_queues[rss->queue[i]]) {
1322 rte_flow_error_set(error,
1324 RTE_FLOW_ERROR_TYPE_ACTION,
1326 "Invalid queue ID for RSS");
1330 rxq = bp->rx_queues[rss->queue[i]];
1332 if (bp->vnic_info[0].fw_grp_ids[rss->queue[i]] !=
1333 INVALID_HW_RING_ID) {
1335 "queue active with other VNIC\n");
1336 rte_flow_error_set(error,
1338 RTE_FLOW_ERROR_TYPE_ACTION,
1340 "Invalid queue ID for RSS");
1346 rxq->rx_started = 1;
1347 vnic->rx_queue_cnt++;
1350 vnic->start_grp_id = rss->queue[0];
1351 vnic->end_grp_id = rss->queue[rss->queue_num - 1];
1352 vnic->func_default = 0; //This is not a default VNIC.
1354 rc = bnxt_vnic_prep(bp, vnic);
1356 rte_flow_error_set(error,
1358 RTE_FLOW_ERROR_TYPE_ACTION,
1366 "vnic[%d] = %p vnic->fw_grp_ids = %p\n",
1367 vnic_id, vnic, vnic->fw_grp_ids);
1369 vnic->ff_pool_idx = vnic_id;
1371 "Setting vnic ff_pool_idx %d\n", vnic->ff_pool_idx);
1373 /* This can be done only after vnic_grp_alloc is done. */
1374 for (i = 0; i < vnic->rx_queue_cnt; i++) {
1375 vnic->fw_grp_ids[i] =
1376 bp->grp_info[rss->queue[i]].fw_grp_id;
1377 /* Make sure vnic0 does not use these rings. */
1378 bp->vnic_info[0].fw_grp_ids[rss->queue[i]] =
1382 for (rss_idx = 0; rss_idx < HW_HASH_INDEX_SIZE; ) {
1383 for (i = 0; i < vnic->rx_queue_cnt; i++)
1384 vnic->rss_table[rss_idx++] =
1385 vnic->fw_grp_ids[i];
1388 /* Configure RSS only if the queue count is > 1 */
1389 if (vnic->rx_queue_cnt > 1) {
1391 bnxt_rte_to_hwrm_hash_types(rss->types);
1393 if (!rss->key_len) {
1394 /* If hash key has not been specified,
1395 * use random hash key.
1397 prandom_bytes(vnic->rss_hash_key,
1400 if (rss->key_len > HW_HASH_KEY_SIZE)
1401 memcpy(vnic->rss_hash_key,
1405 memcpy(vnic->rss_hash_key,
1409 bnxt_hwrm_vnic_rss_cfg(bp, vnic);
1411 PMD_DRV_LOG(DEBUG, "No RSS config required\n");
1415 filter->dst_id = vnic->fw_vnic_id;
1416 filter1 = bnxt_get_l2_filter(bp, filter, vnic);
1417 if (filter1 == NULL) {
1418 rte_flow_error_set(error,
1420 RTE_FLOW_ERROR_TYPE_ACTION,
1422 "New filter not available");
1427 PMD_DRV_LOG(DEBUG, "L2 filter created\n");
1428 bnxt_update_filter_flags_en(filter, filter1, use_ntuple);
1430 case RTE_FLOW_ACTION_TYPE_MARK:
1431 if (bp->flags & BNXT_FLAG_RX_VECTOR_PKT_MODE) {
1433 "Disable vector processing for mark\n");
1434 rte_flow_error_set(error,
1436 RTE_FLOW_ERROR_TYPE_ACTION,
1438 "Disable vector processing for mark");
1443 if (bp->mark_table == NULL) {
1444 rte_flow_error_set(error,
1446 RTE_FLOW_ERROR_TYPE_ACTION,
1448 "Mark table not allocated.");
1453 filter->valid_flags |= BNXT_FLOW_MARK_FLAG;
1454 filter->mark = ((const struct rte_flow_action_mark *)
1456 PMD_DRV_LOG(DEBUG, "Mark the flow %d\n", filter->mark);
1459 rte_flow_error_set(error,
1461 RTE_FLOW_ERROR_TYPE_ACTION,
1469 act = bnxt_flow_non_void_action(++act);
1470 while (act->type != RTE_FLOW_ACTION_TYPE_END)
1477 bnxt_hwrm_clear_l2_filter(bp, filter1);
1478 bnxt_free_filter(bp, filter1);
1482 if (vnic && STAILQ_EMPTY(&vnic->filter))
1483 vnic->rx_queue_cnt = 0;
1485 if (rxq && !vnic->rx_queue_cnt)
1486 rxq->vnic = &bp->vnic_info[0];
1492 struct bnxt_vnic_info *find_matching_vnic(struct bnxt *bp,
1493 struct bnxt_filter_info *filter)
1495 struct bnxt_vnic_info *vnic = NULL;
1498 for (i = 0; i < bp->max_vnics; i++) {
1499 vnic = &bp->vnic_info[i];
1500 if (vnic->fw_vnic_id != INVALID_VNIC_ID &&
1501 filter->dst_id == vnic->fw_vnic_id) {
1502 PMD_DRV_LOG(DEBUG, "Found matching VNIC Id %d\n",
1511 bnxt_flow_validate(struct rte_eth_dev *dev,
1512 const struct rte_flow_attr *attr,
1513 const struct rte_flow_item pattern[],
1514 const struct rte_flow_action actions[],
1515 struct rte_flow_error *error)
1517 struct bnxt *bp = dev->data->dev_private;
1518 struct bnxt_vnic_info *vnic = NULL;
1519 struct bnxt_filter_info *filter;
1522 bnxt_acquire_flow_lock(bp);
1523 ret = bnxt_flow_args_validate(attr, pattern, actions, error);
1525 bnxt_release_flow_lock(bp);
1529 filter = bnxt_get_unused_filter(bp);
1530 if (filter == NULL) {
1531 PMD_DRV_LOG(ERR, "Not enough resources for a new flow.\n");
1532 bnxt_release_flow_lock(bp);
1536 ret = bnxt_validate_and_parse_flow(dev, pattern, actions, attr,
1541 vnic = find_matching_vnic(bp, filter);
1543 if (STAILQ_EMPTY(&vnic->filter)) {
1544 rte_free(vnic->fw_grp_ids);
1545 bnxt_hwrm_vnic_ctx_free(bp, vnic);
1546 bnxt_hwrm_vnic_free(bp, vnic);
1547 vnic->rx_queue_cnt = 0;
1548 PMD_DRV_LOG(DEBUG, "Free VNIC\n");
1552 if (filter->filter_type == HWRM_CFA_EM_FILTER)
1553 bnxt_hwrm_clear_em_filter(bp, filter);
1554 else if (filter->filter_type == HWRM_CFA_NTUPLE_FILTER)
1555 bnxt_hwrm_clear_ntuple_filter(bp, filter);
1557 bnxt_hwrm_clear_l2_filter(bp, filter);
1560 /* No need to hold on to this filter if we are just validating flow */
1561 bnxt_free_filter(bp, filter);
1562 bnxt_release_flow_lock(bp);
1568 bnxt_update_filter(struct bnxt *bp, struct bnxt_filter_info *old_filter,
1569 struct bnxt_filter_info *new_filter)
1571 /* Clear the new L2 filter that was created in the previous step in
1572 * bnxt_validate_and_parse_flow. For L2 filters, we will use the new
1573 * filter which points to the new destination queue and so we clear
1574 * the previous L2 filter. For ntuple filters, we are going to reuse
1575 * the old L2 filter and create new NTUPLE filter with this new
1576 * destination queue subsequently during bnxt_flow_create. So we
1577 * decrement the ref cnt of the L2 filter that would've been bumped
1578 * up previously in bnxt_validate_and_parse_flow as the old n-tuple
1579 * filter that was referencing it will be deleted now.
1581 bnxt_hwrm_clear_l2_filter(bp, old_filter);
1582 if (new_filter->filter_type == HWRM_CFA_L2_FILTER) {
1583 bnxt_hwrm_set_l2_filter(bp, new_filter->dst_id, new_filter);
1585 if (new_filter->filter_type == HWRM_CFA_EM_FILTER)
1586 bnxt_hwrm_clear_em_filter(bp, old_filter);
1587 if (new_filter->filter_type == HWRM_CFA_NTUPLE_FILTER)
1588 bnxt_hwrm_clear_ntuple_filter(bp, old_filter);
1593 bnxt_match_filter(struct bnxt *bp, struct bnxt_filter_info *nf)
1595 struct bnxt_filter_info *mf;
1596 struct rte_flow *flow;
1599 for (i = bp->max_vnics - 1; i >= 0; i--) {
1600 struct bnxt_vnic_info *vnic = &bp->vnic_info[i];
1602 if (vnic->fw_vnic_id == INVALID_VNIC_ID)
1605 STAILQ_FOREACH(flow, &vnic->flow_list, next) {
1608 if (mf->filter_type == nf->filter_type &&
1609 mf->flags == nf->flags &&
1610 mf->src_port == nf->src_port &&
1611 mf->src_port_mask == nf->src_port_mask &&
1612 mf->dst_port == nf->dst_port &&
1613 mf->dst_port_mask == nf->dst_port_mask &&
1614 mf->ip_protocol == nf->ip_protocol &&
1615 mf->ip_addr_type == nf->ip_addr_type &&
1616 mf->ethertype == nf->ethertype &&
1617 mf->vni == nf->vni &&
1618 mf->tunnel_type == nf->tunnel_type &&
1619 mf->l2_ovlan == nf->l2_ovlan &&
1620 mf->l2_ovlan_mask == nf->l2_ovlan_mask &&
1621 mf->l2_ivlan == nf->l2_ivlan &&
1622 mf->l2_ivlan_mask == nf->l2_ivlan_mask &&
1623 !memcmp(mf->l2_addr, nf->l2_addr,
1624 RTE_ETHER_ADDR_LEN) &&
1625 !memcmp(mf->l2_addr_mask, nf->l2_addr_mask,
1626 RTE_ETHER_ADDR_LEN) &&
1627 !memcmp(mf->src_macaddr, nf->src_macaddr,
1628 RTE_ETHER_ADDR_LEN) &&
1629 !memcmp(mf->dst_macaddr, nf->dst_macaddr,
1630 RTE_ETHER_ADDR_LEN) &&
1631 !memcmp(mf->src_ipaddr, nf->src_ipaddr,
1632 sizeof(nf->src_ipaddr)) &&
1633 !memcmp(mf->src_ipaddr_mask, nf->src_ipaddr_mask,
1634 sizeof(nf->src_ipaddr_mask)) &&
1635 !memcmp(mf->dst_ipaddr, nf->dst_ipaddr,
1636 sizeof(nf->dst_ipaddr)) &&
1637 !memcmp(mf->dst_ipaddr_mask, nf->dst_ipaddr_mask,
1638 sizeof(nf->dst_ipaddr_mask))) {
1639 if (mf->dst_id == nf->dst_id)
1641 /* Free the old filter, update flow
1644 bnxt_update_filter(bp, mf, nf);
1645 STAILQ_REMOVE(&vnic->filter, mf,
1646 bnxt_filter_info, next);
1647 STAILQ_INSERT_TAIL(&vnic->filter, nf, next);
1648 bnxt_free_filter(bp, mf);
1657 static struct rte_flow *
1658 bnxt_flow_create(struct rte_eth_dev *dev,
1659 const struct rte_flow_attr *attr,
1660 const struct rte_flow_item pattern[],
1661 const struct rte_flow_action actions[],
1662 struct rte_flow_error *error)
1664 struct bnxt *bp = dev->data->dev_private;
1665 struct bnxt_vnic_info *vnic = NULL;
1666 struct bnxt_filter_info *filter;
1667 bool update_flow = false;
1668 struct rte_flow *flow;
1672 if (BNXT_VF(bp) && !BNXT_VF_IS_TRUSTED(bp)) {
1673 rte_flow_error_set(error, EINVAL,
1674 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1675 "Failed to create flow, Not a Trusted VF!");
1679 if (!dev->data->dev_started) {
1680 rte_flow_error_set(error,
1682 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
1684 "Device must be started");
1688 flow = rte_zmalloc("bnxt_flow", sizeof(struct rte_flow), 0);
1690 rte_flow_error_set(error, ENOMEM,
1691 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1692 "Failed to allocate memory");
1696 bnxt_acquire_flow_lock(bp);
1697 ret = bnxt_flow_args_validate(attr, pattern, actions, error);
1699 PMD_DRV_LOG(ERR, "Not a validate flow.\n");
1703 filter = bnxt_get_unused_filter(bp);
1704 if (filter == NULL) {
1705 PMD_DRV_LOG(ERR, "Not enough resources for a new flow.\n");
1709 ret = bnxt_validate_and_parse_flow(dev, pattern, actions, attr,
1714 ret = bnxt_match_filter(bp, filter);
1715 if (ret == -EEXIST) {
1716 PMD_DRV_LOG(DEBUG, "Flow already exists.\n");
1717 /* Clear the filter that was created as part of
1718 * validate_and_parse_flow() above
1720 bnxt_hwrm_clear_l2_filter(bp, filter);
1722 } else if (ret == -EXDEV) {
1723 PMD_DRV_LOG(DEBUG, "Flow with same pattern exists\n");
1724 PMD_DRV_LOG(DEBUG, "Updating with different destination\n");
1728 /* If tunnel redirection to a VF/PF is specified then only tunnel_type
1729 * is set and enable is set to the tunnel type. Issue hwrm cmd directly
1732 if (filter->filter_type == HWRM_CFA_TUNNEL_REDIRECT_FILTER &&
1733 filter->enables == filter->tunnel_type) {
1734 ret = bnxt_hwrm_tunnel_redirect_query(bp, &tun_type);
1736 rte_flow_error_set(error, -ret,
1737 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1738 "Unable to query tunnel to VF");
1741 if (tun_type == (1U << filter->tunnel_type)) {
1743 bnxt_hwrm_tunnel_redirect_free(bp,
1744 filter->tunnel_type);
1747 "Unable to free existing tunnel\n");
1748 rte_flow_error_set(error, -ret,
1749 RTE_FLOW_ERROR_TYPE_HANDLE,
1751 "Unable to free preexisting "
1756 ret = bnxt_hwrm_tunnel_redirect(bp, filter->tunnel_type);
1758 rte_flow_error_set(error, -ret,
1759 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1760 "Unable to redirect tunnel to VF");
1763 vnic = &bp->vnic_info[0];
1767 if (filter->filter_type == HWRM_CFA_EM_FILTER) {
1769 HWRM_CFA_EM_FLOW_ALLOC_INPUT_ENABLES_L2_FILTER_ID;
1770 ret = bnxt_hwrm_set_em_filter(bp, filter->dst_id, filter);
1773 if (filter->filter_type == HWRM_CFA_NTUPLE_FILTER) {
1775 HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_ENABLES_L2_FILTER_ID;
1776 ret = bnxt_hwrm_set_ntuple_filter(bp, filter->dst_id, filter);
1779 vnic = find_matching_vnic(bp, filter);
1781 if (!ret || update_flow) {
1782 flow->filter = filter;
1789 STAILQ_INSERT_TAIL(&vnic->filter, filter, next);
1790 PMD_DRV_LOG(DEBUG, "Successfully created flow.\n");
1791 STAILQ_INSERT_TAIL(&vnic->flow_list, flow, next);
1792 if (filter->valid_flags & BNXT_FLOW_MARK_FLAG) {
1794 "Mark action: mark id 0x%x, flow id 0x%x\n",
1795 filter->mark, filter->flow_id);
1797 /* TCAM and EM should be 16-bit only.
1798 * Other modes not supported.
1800 bp->mark_table[filter->flow_id & BNXT_FLOW_ID_MASK] =
1803 bnxt_release_flow_lock(bp);
1808 bnxt_free_filter(bp, filter);
1811 rte_flow_error_set(error, ret,
1812 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1813 "Matching Flow exists.");
1814 else if (ret == -EXDEV)
1815 rte_flow_error_set(error, 0,
1816 RTE_FLOW_ERROR_TYPE_NONE, NULL,
1817 "Flow with pattern exists, updating destination queue");
1818 else if (!rte_errno)
1819 rte_flow_error_set(error, -ret,
1820 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1821 "Failed to create flow.");
1824 bnxt_release_flow_lock(bp);
1828 static int bnxt_handle_tunnel_redirect_destroy(struct bnxt *bp,
1829 struct bnxt_filter_info *filter,
1830 struct rte_flow_error *error)
1832 uint16_t tun_dst_fid;
1836 ret = bnxt_hwrm_tunnel_redirect_query(bp, &tun_type);
1838 rte_flow_error_set(error, -ret,
1839 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1840 "Unable to query tunnel to VF");
1843 if (tun_type == (1U << filter->tunnel_type)) {
1844 ret = bnxt_hwrm_tunnel_redirect_info(bp, filter->tunnel_type,
1847 rte_flow_error_set(error, -ret,
1848 RTE_FLOW_ERROR_TYPE_HANDLE,
1850 "tunnel_redirect info cmd fail");
1853 PMD_DRV_LOG(INFO, "Pre-existing tunnel fid = %x vf->fid = %x\n",
1854 tun_dst_fid + bp->first_vf_id, bp->fw_fid);
1856 /* Tunnel doesn't belong to this VF, so don't send HWRM
1857 * cmd, just delete the flow from driver
1859 if (bp->fw_fid != (tun_dst_fid + bp->first_vf_id))
1861 "Tunnel does not belong to this VF, skip hwrm_tunnel_redirect_free\n");
1863 ret = bnxt_hwrm_tunnel_redirect_free(bp,
1864 filter->tunnel_type);
1870 _bnxt_flow_destroy(struct bnxt *bp,
1871 struct rte_flow *flow,
1872 struct rte_flow_error *error)
1874 struct bnxt_filter_info *filter;
1875 struct bnxt_vnic_info *vnic;
1878 filter = flow->filter;
1881 if (filter->filter_type == HWRM_CFA_TUNNEL_REDIRECT_FILTER &&
1882 filter->enables == filter->tunnel_type) {
1883 ret = bnxt_handle_tunnel_redirect_destroy(bp, filter, error);
1890 ret = bnxt_match_filter(bp, filter);
1892 PMD_DRV_LOG(ERR, "Could not find matching flow\n");
1894 if (filter->valid_flags & BNXT_FLOW_MARK_FLAG) {
1895 bp->mark_table[filter->flow_id & BNXT_FLOW_ID_MASK] = 0;
1896 filter->flow_id = 0;
1899 if (filter->filter_type == HWRM_CFA_EM_FILTER)
1900 ret = bnxt_hwrm_clear_em_filter(bp, filter);
1901 if (filter->filter_type == HWRM_CFA_NTUPLE_FILTER)
1902 ret = bnxt_hwrm_clear_ntuple_filter(bp, filter);
1903 ret = bnxt_hwrm_clear_l2_filter(bp, filter);
1907 /* If it is a L2 drop filter, when the filter is created,
1908 * the FW updates the BC/MC records.
1909 * Once this filter is removed, issue the set_rx_mask command
1910 * to reset the BC/MC records in the HW to the settings
1911 * before the drop counter is created.
1913 if (filter->valid_flags & BNXT_FLOW_L2_DROP_FLAG)
1914 bnxt_set_rx_mask_no_vlan(bp, &bp->vnic_info[0]);
1916 STAILQ_REMOVE(&vnic->filter, filter, bnxt_filter_info, next);
1917 bnxt_free_filter(bp, filter);
1918 STAILQ_REMOVE(&vnic->flow_list, flow, rte_flow, next);
1921 /* If this was the last flow associated with this vnic,
1922 * switch the queue back to RSS pool.
1924 if (vnic && !vnic->func_default &&
1925 STAILQ_EMPTY(&vnic->flow_list)) {
1926 rte_free(vnic->fw_grp_ids);
1927 if (vnic->rx_queue_cnt > 1)
1928 bnxt_hwrm_vnic_ctx_free(bp, vnic);
1930 bnxt_hwrm_vnic_free(bp, vnic);
1931 vnic->rx_queue_cnt = 0;
1934 rte_flow_error_set(error, -ret,
1935 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1936 "Failed to destroy flow.");
1943 bnxt_flow_destroy(struct rte_eth_dev *dev,
1944 struct rte_flow *flow,
1945 struct rte_flow_error *error)
1947 struct bnxt *bp = dev->data->dev_private;
1950 bnxt_acquire_flow_lock(bp);
1952 rte_flow_error_set(error, EINVAL,
1953 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1954 "Invalid flow: failed to destroy flow.");
1955 bnxt_release_flow_lock(bp);
1959 if (!flow->filter) {
1960 rte_flow_error_set(error, EINVAL,
1961 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1962 "Invalid flow: failed to destroy flow.");
1963 bnxt_release_flow_lock(bp);
1966 ret = _bnxt_flow_destroy(bp, flow, error);
1967 bnxt_release_flow_lock(bp);
1973 bnxt_flow_flush(struct rte_eth_dev *dev, struct rte_flow_error *error)
1975 struct bnxt *bp = dev->data->dev_private;
1976 struct bnxt_vnic_info *vnic;
1977 struct rte_flow *flow;
1981 bnxt_acquire_flow_lock(bp);
1982 for (i = 0; i < bp->max_vnics; i++) {
1983 vnic = &bp->vnic_info[i];
1984 if (vnic && vnic->fw_vnic_id == INVALID_VNIC_ID)
1987 while (!STAILQ_EMPTY(&vnic->flow_list)) {
1988 flow = STAILQ_FIRST(&vnic->flow_list);
1993 ret = _bnxt_flow_destroy(bp, flow, error);
1998 bnxt_release_flow_lock(bp);
2003 const struct rte_flow_ops bnxt_flow_ops = {
2004 .validate = bnxt_flow_validate,
2005 .create = bnxt_flow_create,
2006 .destroy = bnxt_flow_destroy,
2007 .flush = bnxt_flow_flush,