1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2014-2018 Broadcom
9 #include <rte_malloc.h>
11 #include <rte_flow_driver.h>
12 #include <rte_tailq.h>
15 #include "bnxt_filter.h"
16 #include "bnxt_hwrm.h"
17 #include "bnxt_ring.h"
19 #include "bnxt_vnic.h"
20 #include "bnxt_util.h"
21 #include "hsi_struct_def_dpdk.h"
24 bnxt_flow_args_validate(const struct rte_flow_attr *attr,
25 const struct rte_flow_item pattern[],
26 const struct rte_flow_action actions[],
27 struct rte_flow_error *error)
30 rte_flow_error_set(error,
32 RTE_FLOW_ERROR_TYPE_ITEM_NUM,
39 rte_flow_error_set(error,
41 RTE_FLOW_ERROR_TYPE_ACTION_NUM,
48 rte_flow_error_set(error,
50 RTE_FLOW_ERROR_TYPE_ATTR,
59 static const struct rte_flow_item *
60 bnxt_flow_non_void_item(const struct rte_flow_item *cur)
63 if (cur->type != RTE_FLOW_ITEM_TYPE_VOID)
69 static const struct rte_flow_action *
70 bnxt_flow_non_void_action(const struct rte_flow_action *cur)
73 if (cur->type != RTE_FLOW_ACTION_TYPE_VOID)
80 bnxt_filter_type_check(const struct rte_flow_item pattern[],
81 struct rte_flow_error *error __rte_unused)
83 const struct rte_flow_item *item =
84 bnxt_flow_non_void_item(pattern);
88 while (item->type != RTE_FLOW_ITEM_TYPE_END) {
90 case RTE_FLOW_ITEM_TYPE_ANY:
91 case RTE_FLOW_ITEM_TYPE_ETH:
94 case RTE_FLOW_ITEM_TYPE_VLAN:
98 case RTE_FLOW_ITEM_TYPE_IPV4:
99 case RTE_FLOW_ITEM_TYPE_IPV6:
100 case RTE_FLOW_ITEM_TYPE_TCP:
101 case RTE_FLOW_ITEM_TYPE_UDP:
103 /* need ntuple match, reset exact match */
107 PMD_DRV_LOG(DEBUG, "Unknown Flow type\n");
113 if (has_vlan && use_ntuple) {
115 "VLAN flow cannot use NTUPLE filter\n");
116 rte_flow_error_set(error, EINVAL,
117 RTE_FLOW_ERROR_TYPE_ITEM,
119 "Cannot use VLAN with NTUPLE");
127 bnxt_validate_and_parse_flow_type(struct bnxt *bp,
128 const struct rte_flow_attr *attr,
129 const struct rte_flow_item pattern[],
130 struct rte_flow_error *error,
131 struct bnxt_filter_info *filter)
133 const struct rte_flow_item *item = bnxt_flow_non_void_item(pattern);
134 const struct rte_flow_item_vlan *vlan_spec, *vlan_mask;
135 const struct rte_flow_item_ipv4 *ipv4_spec, *ipv4_mask;
136 const struct rte_flow_item_ipv6 *ipv6_spec, *ipv6_mask;
137 const struct rte_flow_item_tcp *tcp_spec, *tcp_mask;
138 const struct rte_flow_item_udp *udp_spec, *udp_mask;
139 const struct rte_flow_item_eth *eth_spec, *eth_mask;
140 const struct rte_flow_item_nvgre *nvgre_spec;
141 const struct rte_flow_item_nvgre *nvgre_mask;
142 const struct rte_flow_item_gre *gre_spec;
143 const struct rte_flow_item_gre *gre_mask;
144 const struct rte_flow_item_vxlan *vxlan_spec;
145 const struct rte_flow_item_vxlan *vxlan_mask;
146 uint8_t vni_mask[] = {0xFF, 0xFF, 0xFF};
147 uint8_t tni_mask[] = {0xFF, 0xFF, 0xFF};
148 const struct rte_flow_item_vf *vf_spec;
149 uint32_t tenant_id_be = 0, valid_flags = 0;
152 uint32_t en_ethertype;
159 use_ntuple = bnxt_filter_type_check(pattern, error);
162 PMD_DRV_LOG(DEBUG, "Use NTUPLE %d\n", use_ntuple);
164 filter->filter_type = use_ntuple ?
165 HWRM_CFA_NTUPLE_FILTER : HWRM_CFA_EM_FILTER;
166 en_ethertype = use_ntuple ?
167 NTUPLE_FLTR_ALLOC_INPUT_EN_ETHERTYPE :
168 EM_FLOW_ALLOC_INPUT_EN_ETHERTYPE;
170 while (item->type != RTE_FLOW_ITEM_TYPE_END) {
172 /* last or range is NOT supported as match criteria */
173 rte_flow_error_set(error, EINVAL,
174 RTE_FLOW_ERROR_TYPE_ITEM,
176 "No support for range");
180 switch (item->type) {
181 case RTE_FLOW_ITEM_TYPE_ANY:
183 ((const struct rte_flow_item_any *)item->spec)->num > 3;
185 PMD_DRV_LOG(DEBUG, "Parse inner header\n");
187 case RTE_FLOW_ITEM_TYPE_ETH:
188 if (!item->spec || !item->mask)
191 eth_spec = item->spec;
192 eth_mask = item->mask;
194 /* Source MAC address mask cannot be partially set.
195 * Should be All 0's or all 1's.
196 * Destination MAC address mask must not be partially
197 * set. Should be all 1's or all 0's.
199 if ((!rte_is_zero_ether_addr(ð_mask->src) &&
200 !rte_is_broadcast_ether_addr(ð_mask->src)) ||
201 (!rte_is_zero_ether_addr(ð_mask->dst) &&
202 !rte_is_broadcast_ether_addr(ð_mask->dst))) {
203 rte_flow_error_set(error,
205 RTE_FLOW_ERROR_TYPE_ITEM,
207 "MAC_addr mask not valid");
211 /* Mask is not allowed. Only exact matches are */
212 if (eth_mask->type &&
213 eth_mask->type != RTE_BE16(0xffff)) {
214 rte_flow_error_set(error, EINVAL,
215 RTE_FLOW_ERROR_TYPE_ITEM,
217 "ethertype mask not valid");
221 if (rte_is_broadcast_ether_addr(ð_mask->dst)) {
222 rte_memcpy(filter->dst_macaddr,
223 ð_spec->dst, RTE_ETHER_ADDR_LEN);
225 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_MACADDR :
226 EM_FLOW_ALLOC_INPUT_EN_DST_MACADDR;
227 valid_flags |= inner ?
228 BNXT_FLOW_L2_INNER_DST_VALID_FLAG :
229 BNXT_FLOW_L2_DST_VALID_FLAG;
230 filter->priority = attr->priority;
232 "Creating a priority flow\n");
235 if (rte_is_broadcast_ether_addr(ð_mask->src)) {
236 rte_memcpy(filter->src_macaddr,
237 ð_spec->src, RTE_ETHER_ADDR_LEN);
239 NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_MACADDR :
240 EM_FLOW_ALLOC_INPUT_EN_SRC_MACADDR;
241 valid_flags |= inner ?
242 BNXT_FLOW_L2_INNER_SRC_VALID_FLAG :
243 BNXT_FLOW_L2_SRC_VALID_FLAG;
246 * PMD_DRV_LOG(ERR, "Handle this condition\n");
249 if (eth_mask->type) {
251 rte_be_to_cpu_16(eth_spec->type);
256 case RTE_FLOW_ITEM_TYPE_VLAN:
257 vlan_spec = item->spec;
258 vlan_mask = item->mask;
259 if (en & en_ethertype) {
260 rte_flow_error_set(error, EINVAL,
261 RTE_FLOW_ERROR_TYPE_ITEM,
263 "VLAN TPID matching is not"
267 if (vlan_mask->tci &&
268 vlan_mask->tci == RTE_BE16(0x0fff)) {
269 /* Only the VLAN ID can be matched. */
271 rte_be_to_cpu_16(vlan_spec->tci &
273 en |= EM_FLOW_ALLOC_INPUT_EN_OVLAN_VID;
275 rte_flow_error_set(error,
277 RTE_FLOW_ERROR_TYPE_ITEM,
279 "VLAN mask is invalid");
282 if (vlan_mask->inner_type &&
283 vlan_mask->inner_type != RTE_BE16(0xffff)) {
284 rte_flow_error_set(error, EINVAL,
285 RTE_FLOW_ERROR_TYPE_ITEM,
287 "inner ethertype mask not"
291 if (vlan_mask->inner_type) {
293 rte_be_to_cpu_16(vlan_spec->inner_type);
298 case RTE_FLOW_ITEM_TYPE_IPV4:
299 /* If mask is not involved, we could use EM filters. */
300 ipv4_spec = item->spec;
301 ipv4_mask = item->mask;
303 if (!item->spec || !item->mask)
306 /* Only IP DST and SRC fields are maskable. */
307 if (ipv4_mask->hdr.version_ihl ||
308 ipv4_mask->hdr.type_of_service ||
309 ipv4_mask->hdr.total_length ||
310 ipv4_mask->hdr.packet_id ||
311 ipv4_mask->hdr.fragment_offset ||
312 ipv4_mask->hdr.time_to_live ||
313 ipv4_mask->hdr.next_proto_id ||
314 ipv4_mask->hdr.hdr_checksum) {
315 rte_flow_error_set(error,
317 RTE_FLOW_ERROR_TYPE_ITEM,
319 "Invalid IPv4 mask.");
323 filter->dst_ipaddr[0] = ipv4_spec->hdr.dst_addr;
324 filter->src_ipaddr[0] = ipv4_spec->hdr.src_addr;
327 en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR |
328 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR;
330 en |= EM_FLOW_ALLOC_INPUT_EN_SRC_IPADDR |
331 EM_FLOW_ALLOC_INPUT_EN_DST_IPADDR;
333 if (ipv4_mask->hdr.src_addr) {
334 filter->src_ipaddr_mask[0] =
335 ipv4_mask->hdr.src_addr;
336 en |= !use_ntuple ? 0 :
337 NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR_MASK;
340 if (ipv4_mask->hdr.dst_addr) {
341 filter->dst_ipaddr_mask[0] =
342 ipv4_mask->hdr.dst_addr;
343 en |= !use_ntuple ? 0 :
344 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR_MASK;
347 filter->ip_addr_type = use_ntuple ?
348 HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_IP_ADDR_TYPE_IPV4 :
349 HWRM_CFA_EM_FLOW_ALLOC_INPUT_IP_ADDR_TYPE_IPV4;
351 if (ipv4_spec->hdr.next_proto_id) {
352 filter->ip_protocol =
353 ipv4_spec->hdr.next_proto_id;
355 en |= NTUPLE_FLTR_ALLOC_IN_EN_IP_PROTO;
357 en |= EM_FLOW_ALLOC_INPUT_EN_IP_PROTO;
360 case RTE_FLOW_ITEM_TYPE_IPV6:
361 ipv6_spec = item->spec;
362 ipv6_mask = item->mask;
364 if (!item->spec || !item->mask)
367 /* Only IP DST and SRC fields are maskable. */
368 if (ipv6_mask->hdr.vtc_flow ||
369 ipv6_mask->hdr.payload_len ||
370 ipv6_mask->hdr.proto ||
371 ipv6_mask->hdr.hop_limits) {
372 rte_flow_error_set(error,
374 RTE_FLOW_ERROR_TYPE_ITEM,
376 "Invalid IPv6 mask.");
381 en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR |
382 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR;
384 en |= EM_FLOW_ALLOC_INPUT_EN_SRC_IPADDR |
385 EM_FLOW_ALLOC_INPUT_EN_DST_IPADDR;
387 rte_memcpy(filter->src_ipaddr,
388 ipv6_spec->hdr.src_addr, 16);
389 rte_memcpy(filter->dst_ipaddr,
390 ipv6_spec->hdr.dst_addr, 16);
392 if (!bnxt_check_zero_bytes(ipv6_mask->hdr.src_addr,
394 rte_memcpy(filter->src_ipaddr_mask,
395 ipv6_mask->hdr.src_addr, 16);
396 en |= !use_ntuple ? 0 :
397 NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR_MASK;
400 if (!bnxt_check_zero_bytes(ipv6_mask->hdr.dst_addr,
402 rte_memcpy(filter->dst_ipaddr_mask,
403 ipv6_mask->hdr.dst_addr, 16);
404 en |= !use_ntuple ? 0 :
405 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR_MASK;
408 filter->ip_addr_type = use_ntuple ?
409 NTUPLE_FLTR_ALLOC_INPUT_IP_ADDR_TYPE_IPV6 :
410 EM_FLOW_ALLOC_INPUT_IP_ADDR_TYPE_IPV6;
412 case RTE_FLOW_ITEM_TYPE_TCP:
413 tcp_spec = item->spec;
414 tcp_mask = item->mask;
416 if (!item->spec || !item->mask)
419 /* Check TCP mask. Only DST & SRC ports are maskable */
420 if (tcp_mask->hdr.sent_seq ||
421 tcp_mask->hdr.recv_ack ||
422 tcp_mask->hdr.data_off ||
423 tcp_mask->hdr.tcp_flags ||
424 tcp_mask->hdr.rx_win ||
425 tcp_mask->hdr.cksum ||
426 tcp_mask->hdr.tcp_urp) {
427 rte_flow_error_set(error,
429 RTE_FLOW_ERROR_TYPE_ITEM,
435 filter->src_port = tcp_spec->hdr.src_port;
436 filter->dst_port = tcp_spec->hdr.dst_port;
439 en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_PORT |
440 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_PORT;
442 en |= EM_FLOW_ALLOC_INPUT_EN_SRC_PORT |
443 EM_FLOW_ALLOC_INPUT_EN_DST_PORT;
445 if (tcp_mask->hdr.dst_port) {
446 filter->dst_port_mask = tcp_mask->hdr.dst_port;
447 en |= !use_ntuple ? 0 :
448 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_PORT_MASK;
451 if (tcp_mask->hdr.src_port) {
452 filter->src_port_mask = tcp_mask->hdr.src_port;
453 en |= !use_ntuple ? 0 :
454 NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_PORT_MASK;
457 case RTE_FLOW_ITEM_TYPE_UDP:
458 udp_spec = item->spec;
459 udp_mask = item->mask;
461 if (!item->spec || !item->mask)
464 if (udp_mask->hdr.dgram_len ||
465 udp_mask->hdr.dgram_cksum) {
466 rte_flow_error_set(error,
468 RTE_FLOW_ERROR_TYPE_ITEM,
474 filter->src_port = udp_spec->hdr.src_port;
475 filter->dst_port = udp_spec->hdr.dst_port;
478 en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_PORT |
479 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_PORT;
481 en |= EM_FLOW_ALLOC_INPUT_EN_SRC_PORT |
482 EM_FLOW_ALLOC_INPUT_EN_DST_PORT;
484 if (udp_mask->hdr.dst_port) {
485 filter->dst_port_mask = udp_mask->hdr.dst_port;
486 en |= !use_ntuple ? 0 :
487 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_PORT_MASK;
490 if (udp_mask->hdr.src_port) {
491 filter->src_port_mask = udp_mask->hdr.src_port;
492 en |= !use_ntuple ? 0 :
493 NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_PORT_MASK;
496 case RTE_FLOW_ITEM_TYPE_VXLAN:
497 vxlan_spec = item->spec;
498 vxlan_mask = item->mask;
499 /* Check if VXLAN item is used to describe protocol.
500 * If yes, both spec and mask should be NULL.
501 * If no, both spec and mask shouldn't be NULL.
503 if ((!vxlan_spec && vxlan_mask) ||
504 (vxlan_spec && !vxlan_mask)) {
505 rte_flow_error_set(error,
507 RTE_FLOW_ERROR_TYPE_ITEM,
509 "Invalid VXLAN item");
513 if (!vxlan_spec && !vxlan_mask) {
514 filter->tunnel_type =
515 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_VXLAN;
519 if (vxlan_spec->rsvd1 || vxlan_spec->rsvd0[0] ||
520 vxlan_spec->rsvd0[1] || vxlan_spec->rsvd0[2] ||
521 vxlan_spec->flags != 0x8) {
522 rte_flow_error_set(error,
524 RTE_FLOW_ERROR_TYPE_ITEM,
526 "Invalid VXLAN item");
530 /* Check if VNI is masked. */
531 if (vxlan_spec && vxlan_mask) {
533 !!memcmp(vxlan_mask->vni, vni_mask,
539 RTE_FLOW_ERROR_TYPE_ITEM,
545 rte_memcpy(((uint8_t *)&tenant_id_be + 1),
548 rte_be_to_cpu_32(tenant_id_be);
549 filter->tunnel_type =
550 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_VXLAN;
553 case RTE_FLOW_ITEM_TYPE_NVGRE:
554 nvgre_spec = item->spec;
555 nvgre_mask = item->mask;
556 /* Check if NVGRE item is used to describe protocol.
557 * If yes, both spec and mask should be NULL.
558 * If no, both spec and mask shouldn't be NULL.
560 if ((!nvgre_spec && nvgre_mask) ||
561 (nvgre_spec && !nvgre_mask)) {
562 rte_flow_error_set(error,
564 RTE_FLOW_ERROR_TYPE_ITEM,
566 "Invalid NVGRE item");
570 if (!nvgre_spec && !nvgre_mask) {
571 filter->tunnel_type =
572 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_NVGRE;
576 if (nvgre_spec->c_k_s_rsvd0_ver != 0x2000 ||
577 nvgre_spec->protocol != 0x6558) {
578 rte_flow_error_set(error,
580 RTE_FLOW_ERROR_TYPE_ITEM,
582 "Invalid NVGRE item");
586 if (nvgre_spec && nvgre_mask) {
588 !!memcmp(nvgre_mask->tni, tni_mask,
594 RTE_FLOW_ERROR_TYPE_ITEM,
599 rte_memcpy(((uint8_t *)&tenant_id_be + 1),
602 rte_be_to_cpu_32(tenant_id_be);
603 filter->tunnel_type =
604 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_NVGRE;
608 case RTE_FLOW_ITEM_TYPE_GRE:
609 gre_spec = (const struct rte_flow_item_gre *)item->spec;
610 gre_mask = (const struct rte_flow_item_gre *)item->mask;
613 *Check if GRE item is used to describe protocol.
614 * If yes, both spec and mask should be NULL.
615 * If no, both spec and mask shouldn't be NULL.
617 if (!!gre_spec ^ !!gre_mask) {
618 rte_flow_error_set(error, EINVAL,
619 RTE_FLOW_ERROR_TYPE_ITEM,
625 if (!gre_spec && !gre_mask) {
626 filter->tunnel_type =
627 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_IPGRE;
632 case RTE_FLOW_ITEM_TYPE_VF:
633 vf_spec = item->spec;
636 rte_flow_error_set(error,
638 RTE_FLOW_ERROR_TYPE_ITEM,
640 "Configuring on a VF!");
644 if (vf >= bp->pdev->max_vfs) {
645 rte_flow_error_set(error,
647 RTE_FLOW_ERROR_TYPE_ITEM,
653 if (!attr->transfer) {
654 rte_flow_error_set(error,
656 RTE_FLOW_ERROR_TYPE_ITEM,
658 "Matching VF traffic without"
659 " affecting it (transfer attribute)"
664 filter->mirror_vnic_id =
665 dflt_vnic = bnxt_hwrm_func_qcfg_vf_dflt_vnic_id(bp, vf);
667 /* This simply indicates there's no driver
668 * loaded. This is not an error.
673 RTE_FLOW_ERROR_TYPE_ITEM,
675 "Unable to get default VNIC for VF");
679 filter->mirror_vnic_id = dflt_vnic;
680 en |= NTUPLE_FLTR_ALLOC_INPUT_EN_MIRROR_VNIC_ID;
687 filter->enables = en;
688 filter->valid_flags = valid_flags;
693 /* Parse attributes */
695 bnxt_flow_parse_attr(const struct rte_flow_attr *attr,
696 struct rte_flow_error *error)
698 /* Must be input direction */
699 if (!attr->ingress) {
700 rte_flow_error_set(error,
702 RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
704 "Only support ingress.");
710 rte_flow_error_set(error,
712 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS,
714 "No support for egress.");
721 static struct bnxt_filter_info *
722 bnxt_find_matching_l2_filter(struct bnxt *bp, struct bnxt_filter_info *nf)
724 struct bnxt_filter_info *mf, *f0;
725 struct bnxt_vnic_info *vnic0;
726 struct rte_flow *flow;
729 vnic0 = &bp->vnic_info[0];
730 f0 = STAILQ_FIRST(&vnic0->filter);
732 /* This flow has same DST MAC as the port/l2 filter. */
733 if (memcmp(f0->l2_addr, nf->dst_macaddr, RTE_ETHER_ADDR_LEN) == 0)
736 for (i = bp->max_vnics - 1; i >= 0; i--) {
737 struct bnxt_vnic_info *vnic = &bp->vnic_info[i];
739 if (vnic->fw_vnic_id == INVALID_VNIC_ID)
742 STAILQ_FOREACH(flow, &vnic->flow_list, next) {
745 if (mf->matching_l2_fltr_ptr)
748 if (mf->ethertype == nf->ethertype &&
749 mf->l2_ovlan == nf->l2_ovlan &&
750 mf->l2_ovlan_mask == nf->l2_ovlan_mask &&
751 mf->l2_ivlan == nf->l2_ivlan &&
752 mf->l2_ivlan_mask == nf->l2_ivlan_mask &&
753 !memcmp(mf->src_macaddr, nf->src_macaddr,
754 RTE_ETHER_ADDR_LEN) &&
755 !memcmp(mf->dst_macaddr, nf->dst_macaddr,
763 static struct bnxt_filter_info *
764 bnxt_create_l2_filter(struct bnxt *bp, struct bnxt_filter_info *nf,
765 struct bnxt_vnic_info *vnic)
767 struct bnxt_filter_info *filter1;
770 /* Alloc new L2 filter.
771 * This flow needs MAC filter which does not match any existing
774 filter1 = bnxt_get_unused_filter(bp);
778 filter1->flags = HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_XDP_DISABLE;
779 filter1->flags |= HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_PATH_RX;
780 if (nf->valid_flags & BNXT_FLOW_L2_SRC_VALID_FLAG ||
781 nf->valid_flags & BNXT_FLOW_L2_DST_VALID_FLAG) {
783 HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_OUTERMOST;
784 PMD_DRV_LOG(DEBUG, "Create Outer filter\n");
787 if (nf->filter_type == HWRM_CFA_L2_FILTER &&
788 (nf->valid_flags & BNXT_FLOW_L2_SRC_VALID_FLAG ||
789 nf->valid_flags & BNXT_FLOW_L2_INNER_SRC_VALID_FLAG)) {
790 PMD_DRV_LOG(DEBUG, "Create L2 filter for SRC MAC\n");
792 HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_SOURCE_VALID;
793 memcpy(filter1->l2_addr, nf->src_macaddr, RTE_ETHER_ADDR_LEN);
795 PMD_DRV_LOG(DEBUG, "Create L2 filter for DST MAC\n");
796 memcpy(filter1->l2_addr, nf->dst_macaddr, RTE_ETHER_ADDR_LEN);
800 (nf->valid_flags & BNXT_FLOW_L2_DST_VALID_FLAG ||
801 nf->valid_flags & BNXT_FLOW_L2_INNER_DST_VALID_FLAG)) {
802 /* Tell the FW where to place the filter in the table. */
803 if (nf->priority > 65535) {
805 HWRM_CFA_L2_FILTER_ALLOC_INPUT_PRI_HINT_BELOW_FILTER;
806 /* This will place the filter in TCAM */
807 filter1->l2_filter_id_hint = (uint64_t)-1;
811 filter1->enables = HWRM_CFA_L2_FILTER_ALLOC_INPUT_ENABLES_L2_ADDR |
812 L2_FILTER_ALLOC_INPUT_EN_L2_ADDR_MASK;
813 memset(filter1->l2_addr_mask, 0xff, RTE_ETHER_ADDR_LEN);
814 rc = bnxt_hwrm_set_l2_filter(bp, vnic->fw_vnic_id,
817 bnxt_free_filter(bp, filter1);
820 filter1->l2_ref_cnt++;
824 struct bnxt_filter_info *
825 bnxt_get_l2_filter(struct bnxt *bp, struct bnxt_filter_info *nf,
826 struct bnxt_vnic_info *vnic)
828 struct bnxt_filter_info *l2_filter = NULL;
830 l2_filter = bnxt_find_matching_l2_filter(bp, nf);
832 l2_filter->l2_ref_cnt++;
833 nf->matching_l2_fltr_ptr = l2_filter;
835 l2_filter = bnxt_create_l2_filter(bp, nf, vnic);
836 nf->matching_l2_fltr_ptr = NULL;
842 static int bnxt_vnic_prep(struct bnxt *bp, struct bnxt_vnic_info *vnic)
844 struct rte_eth_conf *dev_conf = &bp->eth_dev->data->dev_conf;
845 uint64_t rx_offloads = dev_conf->rxmode.offloads;
848 rc = bnxt_vnic_grp_alloc(bp, vnic);
852 rc = bnxt_hwrm_vnic_alloc(bp, vnic);
854 PMD_DRV_LOG(ERR, "HWRM vnic alloc failure rc: %x\n", rc);
859 /* RSS context is required only when there is more than one RSS ring */
860 if (vnic->rx_queue_cnt > 1) {
861 rc = bnxt_hwrm_vnic_ctx_alloc(bp, vnic, 0 /* ctx_idx 0 */);
864 "HWRM vnic ctx alloc failure: %x\n", rc);
868 PMD_DRV_LOG(DEBUG, "No RSS context required\n");
871 if (rx_offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
872 vnic->vlan_strip = true;
874 vnic->vlan_strip = false;
876 rc = bnxt_hwrm_vnic_cfg(bp, vnic);
880 bnxt_hwrm_vnic_plcmode_cfg(bp, vnic);
886 static int match_vnic_rss_cfg(struct bnxt *bp,
887 struct bnxt_vnic_info *vnic,
888 const struct rte_flow_action_rss *rss)
890 unsigned int match = 0, i;
892 if (vnic->rx_queue_cnt != rss->queue_num)
895 for (i = 0; i < rss->queue_num; i++) {
896 if (!bp->rx_queues[rss->queue[i]]->vnic->rx_queue_cnt &&
897 !bp->rx_queues[rss->queue[i]]->rx_started)
901 for (i = 0; i < vnic->rx_queue_cnt; i++) {
904 for (j = 0; j < vnic->rx_queue_cnt; j++) {
905 if (bp->grp_info[rss->queue[i]].fw_grp_id ==
911 if (match != vnic->rx_queue_cnt) {
913 "VNIC queue count %d vs queues matched %d\n",
914 match, vnic->rx_queue_cnt);
922 bnxt_update_filter_flags_en(struct bnxt_filter_info *filter,
923 struct bnxt_filter_info *filter1,
927 !(filter->valid_flags &
928 ~(BNXT_FLOW_L2_DST_VALID_FLAG |
929 BNXT_FLOW_L2_SRC_VALID_FLAG |
930 BNXT_FLOW_L2_INNER_SRC_VALID_FLAG |
931 BNXT_FLOW_L2_INNER_DST_VALID_FLAG))) {
932 filter->flags = filter1->flags;
933 filter->enables = filter1->enables;
934 filter->filter_type = HWRM_CFA_L2_FILTER;
935 memcpy(filter->l2_addr, filter1->l2_addr, RTE_ETHER_ADDR_LEN);
936 memset(filter->l2_addr_mask, 0xff, RTE_ETHER_ADDR_LEN);
937 filter->pri_hint = filter1->pri_hint;
938 filter->l2_filter_id_hint = filter1->l2_filter_id_hint;
940 filter->fw_l2_filter_id = filter1->fw_l2_filter_id;
941 filter->l2_ref_cnt = filter1->l2_ref_cnt;
943 "l2_filter: %p fw_l2_filter_id %" PRIx64 " l2_ref_cnt %u\n",
944 filter1, filter->fw_l2_filter_id, filter->l2_ref_cnt);
948 bnxt_validate_and_parse_flow(struct rte_eth_dev *dev,
949 const struct rte_flow_item pattern[],
950 const struct rte_flow_action actions[],
951 const struct rte_flow_attr *attr,
952 struct rte_flow_error *error,
953 struct bnxt_filter_info *filter)
955 const struct rte_flow_action *act =
956 bnxt_flow_non_void_action(actions);
957 struct bnxt *bp = dev->data->dev_private;
958 struct rte_eth_conf *dev_conf = &bp->eth_dev->data->dev_conf;
959 const struct rte_flow_action_queue *act_q;
960 const struct rte_flow_action_vf *act_vf;
961 struct bnxt_filter_info *filter1 = NULL;
962 const struct rte_flow_action_rss *rss;
963 struct bnxt_vnic_info *vnic, *vnic0;
964 struct bnxt_rx_queue *rxq = NULL;
965 int dflt_vnic, vnic_id;
966 unsigned int rss_idx;
971 bnxt_validate_and_parse_flow_type(bp, attr, pattern, error, filter);
975 rc = bnxt_flow_parse_attr(attr, error);
979 /* Since we support ingress attribute only - right now. */
980 if (filter->filter_type == HWRM_CFA_EM_FILTER)
981 filter->flags = HWRM_CFA_EM_FLOW_ALLOC_INPUT_FLAGS_PATH_RX;
983 use_ntuple = bnxt_filter_type_check(pattern, error);
985 case RTE_FLOW_ACTION_TYPE_QUEUE:
986 /* Allow this flow. Redirect to a VNIC. */
987 act_q = (const struct rte_flow_action_queue *)act->conf;
988 if (!act_q->index || act_q->index >= bp->rx_nr_rings) {
989 rte_flow_error_set(error,
991 RTE_FLOW_ERROR_TYPE_ACTION,
993 "Invalid queue ID.");
997 PMD_DRV_LOG(DEBUG, "Queue index %d\n", act_q->index);
999 vnic_id = attr->group;
1001 PMD_DRV_LOG(DEBUG, "Group id is 0\n");
1002 vnic_id = act_q->index;
1005 vnic = &bp->vnic_info[vnic_id];
1007 rte_flow_error_set(error,
1009 RTE_FLOW_ERROR_TYPE_ACTION,
1011 "No matching VNIC found.");
1015 if (vnic->rx_queue_cnt) {
1016 if (vnic->start_grp_id != act_q->index) {
1018 "VNIC already in use\n");
1019 rte_flow_error_set(error,
1021 RTE_FLOW_ERROR_TYPE_ACTION,
1023 "VNIC already in use");
1030 rxq = bp->rx_queues[act_q->index];
1032 if (!(dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS) && rxq &&
1033 vnic->fw_vnic_id != INVALID_HW_RING_ID)
1037 //bp->vnic_info[0].fw_grp_ids[act_q->index] !=
1038 //INVALID_HW_RING_ID ||
1039 //!rxq->rx_deferred_start) {
1041 bp->vnic_info[0].fw_grp_ids[act_q->index] !=
1042 INVALID_HW_RING_ID) {
1044 "Queue invalid or used with other VNIC\n");
1045 rte_flow_error_set(error,
1047 RTE_FLOW_ERROR_TYPE_ACTION,
1049 "Queue invalid queue or in use");
1055 rxq->rx_started = 1;
1056 vnic->rx_queue_cnt++;
1057 vnic->start_grp_id = act_q->index;
1058 vnic->end_grp_id = act_q->index;
1059 vnic->func_default = 0; //This is not a default VNIC.
1061 PMD_DRV_LOG(DEBUG, "VNIC found\n");
1063 rc = bnxt_vnic_prep(bp, vnic);
1068 "vnic[%d] = %p vnic->fw_grp_ids = %p\n",
1069 act_q->index, vnic, vnic->fw_grp_ids);
1072 vnic->ff_pool_idx = vnic_id;
1074 "Setting vnic ff_idx %d\n", vnic->ff_pool_idx);
1075 filter->dst_id = vnic->fw_vnic_id;
1076 filter1 = bnxt_get_l2_filter(bp, filter, vnic);
1077 if (filter1 == NULL) {
1082 PMD_DRV_LOG(DEBUG, "new fltr: %p l2fltr: %p l2_ref_cnt: %d\n",
1083 filter, filter1, filter1->l2_ref_cnt);
1084 bnxt_update_filter_flags_en(filter, filter1, use_ntuple);
1086 case RTE_FLOW_ACTION_TYPE_DROP:
1087 vnic0 = &bp->vnic_info[0];
1088 filter1 = bnxt_get_l2_filter(bp, filter, vnic0);
1089 if (filter1 == NULL) {
1094 filter->fw_l2_filter_id = filter1->fw_l2_filter_id;
1095 if (filter->filter_type == HWRM_CFA_EM_FILTER)
1097 HWRM_CFA_EM_FLOW_ALLOC_INPUT_FLAGS_DROP;
1100 HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_FLAGS_DROP;
1102 case RTE_FLOW_ACTION_TYPE_COUNT:
1103 vnic0 = &bp->vnic_info[0];
1104 filter1 = bnxt_get_l2_filter(bp, filter, vnic0);
1105 if (filter1 == NULL) {
1110 filter->fw_l2_filter_id = filter1->fw_l2_filter_id;
1111 filter->flags = HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_FLAGS_METER;
1113 case RTE_FLOW_ACTION_TYPE_VF:
1114 act_vf = (const struct rte_flow_action_vf *)act->conf;
1117 if (filter->tunnel_type ==
1118 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_VXLAN ||
1119 filter->tunnel_type ==
1120 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_IPGRE) {
1121 /* If issued on a VF, ensure id is 0 and is trusted */
1123 if (!BNXT_VF_IS_TRUSTED(bp) || vf) {
1124 rte_flow_error_set(error, EINVAL,
1125 RTE_FLOW_ERROR_TYPE_ACTION,
1133 filter->enables |= filter->tunnel_type;
1134 filter->filter_type = HWRM_CFA_TUNNEL_REDIRECT_FILTER;
1138 if (vf >= bp->pdev->max_vfs) {
1139 rte_flow_error_set(error,
1141 RTE_FLOW_ERROR_TYPE_ACTION,
1143 "Incorrect VF id!");
1148 filter->mirror_vnic_id =
1149 dflt_vnic = bnxt_hwrm_func_qcfg_vf_dflt_vnic_id(bp, vf);
1150 if (dflt_vnic < 0) {
1151 /* This simply indicates there's no driver loaded.
1152 * This is not an error.
1154 rte_flow_error_set(error,
1156 RTE_FLOW_ERROR_TYPE_ACTION,
1158 "Unable to get default VNIC for VF");
1163 filter->mirror_vnic_id = dflt_vnic;
1164 filter->enables |= NTUPLE_FLTR_ALLOC_INPUT_EN_MIRROR_VNIC_ID;
1166 vnic0 = &bp->vnic_info[0];
1167 filter1 = bnxt_get_l2_filter(bp, filter, vnic0);
1168 if (filter1 == NULL) {
1173 filter->fw_l2_filter_id = filter1->fw_l2_filter_id;
1175 case RTE_FLOW_ACTION_TYPE_RSS:
1176 rss = (const struct rte_flow_action_rss *)act->conf;
1178 vnic_id = attr->group;
1180 PMD_DRV_LOG(ERR, "Group id cannot be 0\n");
1181 rte_flow_error_set(error,
1183 RTE_FLOW_ERROR_TYPE_ATTR,
1185 "Group id cannot be 0");
1190 vnic = &bp->vnic_info[vnic_id];
1192 rte_flow_error_set(error,
1194 RTE_FLOW_ERROR_TYPE_ACTION,
1196 "No matching VNIC for RSS group.");
1200 PMD_DRV_LOG(DEBUG, "VNIC found\n");
1202 /* Check if requested RSS config matches RSS config of VNIC
1203 * only if it is not a fresh VNIC configuration.
1204 * Otherwise the existing VNIC configuration can be used.
1206 if (vnic->rx_queue_cnt) {
1207 rc = match_vnic_rss_cfg(bp, vnic, rss);
1210 "VNIC and RSS config mismatch\n");
1211 rte_flow_error_set(error,
1213 RTE_FLOW_ERROR_TYPE_ACTION,
1215 "VNIC and RSS cfg mismatch");
1222 for (i = 0; i < rss->queue_num; i++) {
1223 PMD_DRV_LOG(DEBUG, "RSS action Queue %d\n",
1226 if (!rss->queue[i] ||
1227 rss->queue[i] >= bp->rx_nr_rings ||
1228 !bp->rx_queues[rss->queue[i]]) {
1229 rte_flow_error_set(error,
1231 RTE_FLOW_ERROR_TYPE_ACTION,
1233 "Invalid queue ID for RSS");
1237 rxq = bp->rx_queues[rss->queue[i]];
1239 //if (bp->vnic_info[0].fw_grp_ids[rss->queue[i]] !=
1240 //INVALID_HW_RING_ID ||
1241 //!rxq->rx_deferred_start) {
1242 if (bp->vnic_info[0].fw_grp_ids[rss->queue[i]] !=
1243 INVALID_HW_RING_ID) {
1245 "queue active with other VNIC\n");
1246 rte_flow_error_set(error,
1248 RTE_FLOW_ERROR_TYPE_ACTION,
1250 "Invalid queue ID for RSS");
1256 rxq->rx_started = 1;
1257 vnic->rx_queue_cnt++;
1260 vnic->start_grp_id = rss->queue[0];
1261 vnic->end_grp_id = rss->queue[rss->queue_num - 1];
1262 vnic->func_default = 0; //This is not a default VNIC.
1264 rc = bnxt_vnic_prep(bp, vnic);
1269 "vnic[%d] = %p vnic->fw_grp_ids = %p\n",
1270 vnic_id, vnic, vnic->fw_grp_ids);
1272 vnic->ff_pool_idx = vnic_id;
1274 "Setting vnic ff_pool_idx %d\n", vnic->ff_pool_idx);
1276 /* This can be done only after vnic_grp_alloc is done. */
1277 for (i = 0; i < vnic->rx_queue_cnt; i++) {
1278 vnic->fw_grp_ids[i] =
1279 bp->grp_info[rss->queue[i]].fw_grp_id;
1280 /* Make sure vnic0 does not use these rings. */
1281 bp->vnic_info[0].fw_grp_ids[rss->queue[i]] =
1285 for (rss_idx = 0; rss_idx < HW_HASH_INDEX_SIZE; ) {
1286 for (i = 0; i < vnic->rx_queue_cnt; i++)
1287 vnic->rss_table[rss_idx++] =
1288 vnic->fw_grp_ids[i];
1291 /* Configure RSS only if the queue count is > 1 */
1292 if (vnic->rx_queue_cnt > 1) {
1294 bnxt_rte_to_hwrm_hash_types(rss->types);
1296 if (!rss->key_len) {
1297 /* If hash key has not been specified,
1298 * use random hash key.
1300 prandom_bytes(vnic->rss_hash_key,
1303 if (rss->key_len > HW_HASH_KEY_SIZE)
1304 memcpy(vnic->rss_hash_key,
1308 memcpy(vnic->rss_hash_key,
1312 bnxt_hwrm_vnic_rss_cfg(bp, vnic);
1314 PMD_DRV_LOG(DEBUG, "No RSS config required\n");
1318 filter->dst_id = vnic->fw_vnic_id;
1319 filter1 = bnxt_get_l2_filter(bp, filter, vnic);
1320 if (filter1 == NULL) {
1325 PMD_DRV_LOG(DEBUG, "L2 filter created\n");
1326 bnxt_update_filter_flags_en(filter, filter1, use_ntuple);
1329 rte_flow_error_set(error,
1331 RTE_FLOW_ERROR_TYPE_ACTION,
1338 if (filter1 && !filter->matching_l2_fltr_ptr) {
1339 bnxt_free_filter(bp, filter1);
1340 filter1->fw_l2_filter_id = -1;
1344 act = bnxt_flow_non_void_action(++act);
1345 if (act->type != RTE_FLOW_ACTION_TYPE_END) {
1346 rte_flow_error_set(error,
1348 RTE_FLOW_ERROR_TYPE_ACTION,
1359 bnxt_flow_validate(struct rte_eth_dev *dev,
1360 const struct rte_flow_attr *attr,
1361 const struct rte_flow_item pattern[],
1362 const struct rte_flow_action actions[],
1363 struct rte_flow_error *error)
1365 struct bnxt *bp = dev->data->dev_private;
1366 struct bnxt_filter_info *filter;
1369 ret = bnxt_flow_args_validate(attr, pattern, actions, error);
1373 filter = bnxt_get_unused_filter(bp);
1374 if (filter == NULL) {
1375 PMD_DRV_LOG(ERR, "Not enough resources for a new flow.\n");
1379 ret = bnxt_validate_and_parse_flow(dev, pattern, actions, attr,
1381 /* No need to hold on to this filter if we are just validating flow */
1382 filter->fw_l2_filter_id = UINT64_MAX;
1383 bnxt_free_filter(bp, filter);
1389 bnxt_update_filter(struct bnxt *bp, struct bnxt_filter_info *old_filter,
1390 struct bnxt_filter_info *new_filter)
1392 /* Clear the new L2 filter that was created in the previous step in
1393 * bnxt_validate_and_parse_flow. For L2 filters, we will use the new
1394 * filter which points to the new destination queue and so we clear
1395 * the previous L2 filter. For ntuple filters, we are going to reuse
1396 * the old L2 filter and create new NTUPLE filter with this new
1397 * destination queue subsequently during bnxt_flow_create.
1399 if (new_filter->filter_type == HWRM_CFA_L2_FILTER) {
1400 bnxt_hwrm_clear_l2_filter(bp, old_filter);
1401 bnxt_hwrm_set_l2_filter(bp, new_filter->dst_id, new_filter);
1403 if (new_filter->filter_type == HWRM_CFA_EM_FILTER)
1404 bnxt_hwrm_clear_em_filter(bp, old_filter);
1405 if (new_filter->filter_type == HWRM_CFA_NTUPLE_FILTER)
1406 bnxt_hwrm_clear_ntuple_filter(bp, old_filter);
1411 bnxt_match_filter(struct bnxt *bp, struct bnxt_filter_info *nf)
1413 struct bnxt_filter_info *mf;
1414 struct rte_flow *flow;
1417 for (i = bp->max_vnics; i >= 0; i--) {
1418 struct bnxt_vnic_info *vnic = &bp->vnic_info[i];
1420 if (vnic->fw_vnic_id == INVALID_VNIC_ID)
1423 STAILQ_FOREACH(flow, &vnic->flow_list, next) {
1426 if (mf->filter_type == nf->filter_type &&
1427 mf->flags == nf->flags &&
1428 mf->src_port == nf->src_port &&
1429 mf->src_port_mask == nf->src_port_mask &&
1430 mf->dst_port == nf->dst_port &&
1431 mf->dst_port_mask == nf->dst_port_mask &&
1432 mf->ip_protocol == nf->ip_protocol &&
1433 mf->ip_addr_type == nf->ip_addr_type &&
1434 mf->ethertype == nf->ethertype &&
1435 mf->vni == nf->vni &&
1436 mf->tunnel_type == nf->tunnel_type &&
1437 mf->l2_ovlan == nf->l2_ovlan &&
1438 mf->l2_ovlan_mask == nf->l2_ovlan_mask &&
1439 mf->l2_ivlan == nf->l2_ivlan &&
1440 mf->l2_ivlan_mask == nf->l2_ivlan_mask &&
1441 !memcmp(mf->l2_addr, nf->l2_addr,
1442 RTE_ETHER_ADDR_LEN) &&
1443 !memcmp(mf->l2_addr_mask, nf->l2_addr_mask,
1444 RTE_ETHER_ADDR_LEN) &&
1445 !memcmp(mf->src_macaddr, nf->src_macaddr,
1446 RTE_ETHER_ADDR_LEN) &&
1447 !memcmp(mf->dst_macaddr, nf->dst_macaddr,
1448 RTE_ETHER_ADDR_LEN) &&
1449 !memcmp(mf->src_ipaddr, nf->src_ipaddr,
1450 sizeof(nf->src_ipaddr)) &&
1451 !memcmp(mf->src_ipaddr_mask, nf->src_ipaddr_mask,
1452 sizeof(nf->src_ipaddr_mask)) &&
1453 !memcmp(mf->dst_ipaddr, nf->dst_ipaddr,
1454 sizeof(nf->dst_ipaddr)) &&
1455 !memcmp(mf->dst_ipaddr_mask, nf->dst_ipaddr_mask,
1456 sizeof(nf->dst_ipaddr_mask))) {
1457 if (mf->dst_id == nf->dst_id)
1459 /* Free the old filter, update flow
1462 bnxt_update_filter(bp, mf, nf);
1463 STAILQ_REMOVE(&vnic->filter, mf,
1464 bnxt_filter_info, next);
1465 STAILQ_INSERT_TAIL(&vnic->filter, nf, next);
1466 bnxt_free_filter(bp, mf);
1475 static struct rte_flow *
1476 bnxt_flow_create(struct rte_eth_dev *dev,
1477 const struct rte_flow_attr *attr,
1478 const struct rte_flow_item pattern[],
1479 const struct rte_flow_action actions[],
1480 struct rte_flow_error *error)
1482 struct bnxt *bp = dev->data->dev_private;
1483 struct bnxt_vnic_info *vnic = NULL;
1484 struct bnxt_filter_info *filter;
1485 bool update_flow = false;
1486 struct rte_flow *flow;
1491 if (BNXT_VF(bp) && !BNXT_VF_IS_TRUSTED(bp)) {
1492 rte_flow_error_set(error, EINVAL,
1493 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1494 "Failed to create flow, Not a Trusted VF!");
1498 flow = rte_zmalloc("bnxt_flow", sizeof(struct rte_flow), 0);
1500 rte_flow_error_set(error, ENOMEM,
1501 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1502 "Failed to allocate memory");
1506 ret = bnxt_flow_args_validate(attr, pattern, actions, error);
1508 PMD_DRV_LOG(ERR, "Not a validate flow.\n");
1512 filter = bnxt_get_unused_filter(bp);
1513 if (filter == NULL) {
1514 PMD_DRV_LOG(ERR, "Not enough resources for a new flow.\n");
1518 ret = bnxt_validate_and_parse_flow(dev, pattern, actions, attr,
1523 ret = bnxt_match_filter(bp, filter);
1524 if (ret == -EEXIST) {
1525 PMD_DRV_LOG(DEBUG, "Flow already exists.\n");
1526 /* Clear the filter that was created as part of
1527 * validate_and_parse_flow() above
1529 bnxt_hwrm_clear_l2_filter(bp, filter);
1531 } else if (ret == -EXDEV) {
1532 PMD_DRV_LOG(DEBUG, "Flow with same pattern exists\n");
1533 PMD_DRV_LOG(DEBUG, "Updating with different destination\n");
1537 /* If tunnel redirection to a VF/PF is specified then only tunnel_type
1538 * is set and enable is set to the tunnel type. Issue hwrm cmd directly
1541 if (filter->filter_type == HWRM_CFA_TUNNEL_REDIRECT_FILTER &&
1542 filter->enables == filter->tunnel_type) {
1543 ret = bnxt_hwrm_tunnel_redirect_query(bp, &tun_type);
1545 rte_flow_error_set(error, -ret,
1546 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1547 "Unable to query tunnel to VF");
1550 if (tun_type == (1U << filter->tunnel_type)) {
1552 bnxt_hwrm_tunnel_redirect_free(bp,
1553 filter->tunnel_type);
1556 "Unable to free existing tunnel\n");
1557 rte_flow_error_set(error, -ret,
1558 RTE_FLOW_ERROR_TYPE_HANDLE,
1560 "Unable to free preexisting "
1565 ret = bnxt_hwrm_tunnel_redirect(bp, filter->tunnel_type);
1567 rte_flow_error_set(error, -ret,
1568 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1569 "Unable to redirect tunnel to VF");
1572 vnic = &bp->vnic_info[0];
1576 if (filter->filter_type == HWRM_CFA_EM_FILTER) {
1578 HWRM_CFA_EM_FLOW_ALLOC_INPUT_ENABLES_L2_FILTER_ID;
1579 ret = bnxt_hwrm_set_em_filter(bp, filter->dst_id, filter);
1582 if (filter->filter_type == HWRM_CFA_NTUPLE_FILTER) {
1584 HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_ENABLES_L2_FILTER_ID;
1585 ret = bnxt_hwrm_set_ntuple_filter(bp, filter->dst_id, filter);
1588 for (i = 0; i < bp->max_vnics; i++) {
1589 vnic = &bp->vnic_info[i];
1590 if (vnic->fw_vnic_id != INVALID_VNIC_ID &&
1591 filter->dst_id == vnic->fw_vnic_id) {
1592 PMD_DRV_LOG(ERR, "Found matching VNIC Id %d\n",
1598 if (!ret || update_flow) {
1599 flow->filter = filter;
1601 /* VNIC is set only in case of queue or RSS action */
1604 * RxQ0 is not used for flow filters.
1611 STAILQ_INSERT_TAIL(&vnic->filter, filter, next);
1613 PMD_DRV_LOG(ERR, "Successfully created flow.\n");
1614 STAILQ_INSERT_TAIL(&vnic->flow_list, flow, next);
1618 flow->filter = filter;
1624 PMD_DRV_LOG(ERR, "Successfully created flow.\n");
1625 STAILQ_INSERT_TAIL(&vnic->flow_list, flow, next);
1629 bnxt_free_filter(bp, filter);
1632 rte_flow_error_set(error, ret,
1633 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1634 "Matching Flow exists.");
1635 else if (ret == -EXDEV)
1636 rte_flow_error_set(error, 0,
1637 RTE_FLOW_ERROR_TYPE_NONE, NULL,
1638 "Flow with pattern exists, updating destination queue");
1639 else if (!rte_errno)
1640 rte_flow_error_set(error, -ret,
1641 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1642 "Failed to create flow.");
1648 static int bnxt_handle_tunnel_redirect_destroy(struct bnxt *bp,
1649 struct bnxt_filter_info *filter,
1650 struct rte_flow_error *error)
1652 uint16_t tun_dst_fid;
1656 ret = bnxt_hwrm_tunnel_redirect_query(bp, &tun_type);
1658 rte_flow_error_set(error, -ret,
1659 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1660 "Unable to query tunnel to VF");
1663 if (tun_type == (1U << filter->tunnel_type)) {
1664 ret = bnxt_hwrm_tunnel_redirect_info(bp, filter->tunnel_type,
1667 rte_flow_error_set(error, -ret,
1668 RTE_FLOW_ERROR_TYPE_HANDLE,
1670 "tunnel_redirect info cmd fail");
1673 PMD_DRV_LOG(INFO, "Pre-existing tunnel fid = %x vf->fid = %x\n",
1674 tun_dst_fid + bp->first_vf_id, bp->fw_fid);
1676 /* Tunnel doesn't belong to this VF, so don't send HWRM
1677 * cmd, just delete the flow from driver
1679 if (bp->fw_fid != (tun_dst_fid + bp->first_vf_id))
1681 "Tunnel does not belong to this VF, skip hwrm_tunnel_redirect_free\n");
1683 ret = bnxt_hwrm_tunnel_redirect_free(bp,
1684 filter->tunnel_type);
1690 bnxt_flow_destroy(struct rte_eth_dev *dev,
1691 struct rte_flow *flow,
1692 struct rte_flow_error *error)
1694 struct bnxt *bp = dev->data->dev_private;
1695 struct bnxt_filter_info *filter = flow->filter;
1696 struct bnxt_vnic_info *vnic = flow->vnic;
1704 if (filter->filter_type == HWRM_CFA_TUNNEL_REDIRECT_FILTER &&
1705 filter->enables == filter->tunnel_type) {
1706 ret = bnxt_handle_tunnel_redirect_destroy(bp,
1715 ret = bnxt_match_filter(bp, filter);
1717 PMD_DRV_LOG(ERR, "Could not find matching flow\n");
1718 if (filter->filter_type == HWRM_CFA_EM_FILTER)
1719 ret = bnxt_hwrm_clear_em_filter(bp, filter);
1720 if (filter->filter_type == HWRM_CFA_NTUPLE_FILTER)
1721 ret = bnxt_hwrm_clear_ntuple_filter(bp, filter);
1722 ret = bnxt_hwrm_clear_l2_filter(bp, filter);
1726 bnxt_free_filter(bp, filter);
1727 STAILQ_REMOVE(&vnic->flow_list, flow, rte_flow, next);
1730 rte_flow_error_set(error, -ret,
1731 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1732 "Failed to destroy flow.");
1739 bnxt_flow_flush(struct rte_eth_dev *dev, struct rte_flow_error *error)
1741 struct bnxt *bp = dev->data->dev_private;
1742 struct bnxt_vnic_info *vnic;
1743 struct rte_flow *flow;
1747 for (i = 0; i < bp->nr_vnics; i++) {
1748 vnic = &bp->vnic_info[i];
1749 STAILQ_FOREACH(flow, &vnic->flow_list, next) {
1750 struct bnxt_filter_info *filter = flow->filter;
1752 if (filter->filter_type ==
1753 HWRM_CFA_TUNNEL_REDIRECT_FILTER &&
1754 filter->enables == filter->tunnel_type) {
1756 bnxt_handle_tunnel_redirect_destroy(bp,
1765 if (filter->filter_type == HWRM_CFA_EM_FILTER)
1766 ret = bnxt_hwrm_clear_em_filter(bp, filter);
1767 if (filter->filter_type == HWRM_CFA_NTUPLE_FILTER)
1768 ret = bnxt_hwrm_clear_ntuple_filter(bp, filter);
1774 RTE_FLOW_ERROR_TYPE_HANDLE,
1776 "Failed to flush flow in HW.");
1780 bnxt_free_filter(bp, filter);
1781 STAILQ_REMOVE(&vnic->flow_list, flow,
1790 const struct rte_flow_ops bnxt_flow_ops = {
1791 .validate = bnxt_flow_validate,
1792 .create = bnxt_flow_create,
1793 .destroy = bnxt_flow_destroy,
1794 .flush = bnxt_flow_flush,