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:
191 if (!item->spec || !item->mask)
194 eth_spec = item->spec;
195 eth_mask = item->mask;
197 /* Source MAC address mask cannot be partially set.
198 * Should be All 0's or all 1's.
199 * Destination MAC address mask must not be partially
200 * set. Should be all 1's or all 0's.
202 if ((!rte_is_zero_ether_addr(ð_mask->src) &&
203 !rte_is_broadcast_ether_addr(ð_mask->src)) ||
204 (!rte_is_zero_ether_addr(ð_mask->dst) &&
205 !rte_is_broadcast_ether_addr(ð_mask->dst))) {
206 rte_flow_error_set(error,
208 RTE_FLOW_ERROR_TYPE_ITEM,
210 "MAC_addr mask not valid");
214 /* Mask is not allowed. Only exact matches are */
215 if (eth_mask->type &&
216 eth_mask->type != RTE_BE16(0xffff)) {
217 rte_flow_error_set(error, EINVAL,
218 RTE_FLOW_ERROR_TYPE_ITEM,
220 "ethertype mask not valid");
224 if (rte_is_broadcast_ether_addr(ð_mask->dst)) {
225 dst = ð_spec->dst;
226 if (!rte_is_valid_assigned_ether_addr(dst)) {
227 rte_flow_error_set(error,
229 RTE_FLOW_ERROR_TYPE_ITEM,
233 "DMAC is invalid!\n");
236 rte_memcpy(filter->dst_macaddr,
237 ð_spec->dst, RTE_ETHER_ADDR_LEN);
239 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_MACADDR :
240 EM_FLOW_ALLOC_INPUT_EN_DST_MACADDR;
241 valid_flags |= inner ?
242 BNXT_FLOW_L2_INNER_DST_VALID_FLAG :
243 BNXT_FLOW_L2_DST_VALID_FLAG;
244 filter->priority = attr->priority;
246 "Creating a priority flow\n");
248 if (rte_is_broadcast_ether_addr(ð_mask->src)) {
249 src = ð_spec->src;
250 if (!rte_is_valid_assigned_ether_addr(src)) {
251 rte_flow_error_set(error,
253 RTE_FLOW_ERROR_TYPE_ITEM,
257 "SMAC is invalid!\n");
260 rte_memcpy(filter->src_macaddr,
261 ð_spec->src, RTE_ETHER_ADDR_LEN);
263 NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_MACADDR :
264 EM_FLOW_ALLOC_INPUT_EN_SRC_MACADDR;
265 valid_flags |= inner ?
266 BNXT_FLOW_L2_INNER_SRC_VALID_FLAG :
267 BNXT_FLOW_L2_SRC_VALID_FLAG;
270 * PMD_DRV_LOG(ERR, "Handle this condition\n");
273 if (eth_mask->type) {
275 rte_be_to_cpu_16(eth_spec->type);
279 valid_flags |= BNXT_FLOW_PARSE_INNER_FLAG;
282 case RTE_FLOW_ITEM_TYPE_VLAN:
283 vlan_spec = item->spec;
284 vlan_mask = item->mask;
285 if (en & en_ethertype) {
286 rte_flow_error_set(error, EINVAL,
287 RTE_FLOW_ERROR_TYPE_ITEM,
289 "VLAN TPID matching is not"
293 if (vlan_mask->tci &&
294 vlan_mask->tci == RTE_BE16(0x0fff)) {
295 /* Only the VLAN ID can be matched. */
297 rte_be_to_cpu_16(vlan_spec->tci &
299 en |= EM_FLOW_ALLOC_INPUT_EN_OVLAN_VID;
301 rte_flow_error_set(error,
303 RTE_FLOW_ERROR_TYPE_ITEM,
305 "VLAN mask is invalid");
308 if (vlan_mask->inner_type &&
309 vlan_mask->inner_type != RTE_BE16(0xffff)) {
310 rte_flow_error_set(error, EINVAL,
311 RTE_FLOW_ERROR_TYPE_ITEM,
313 "inner ethertype mask not"
317 if (vlan_mask->inner_type) {
319 rte_be_to_cpu_16(vlan_spec->inner_type);
324 case RTE_FLOW_ITEM_TYPE_IPV4:
325 /* If mask is not involved, we could use EM filters. */
326 ipv4_spec = item->spec;
327 ipv4_mask = item->mask;
329 if (!item->spec || !item->mask)
332 /* Only IP DST and SRC fields are maskable. */
333 if (ipv4_mask->hdr.version_ihl ||
334 ipv4_mask->hdr.type_of_service ||
335 ipv4_mask->hdr.total_length ||
336 ipv4_mask->hdr.packet_id ||
337 ipv4_mask->hdr.fragment_offset ||
338 ipv4_mask->hdr.time_to_live ||
339 ipv4_mask->hdr.next_proto_id ||
340 ipv4_mask->hdr.hdr_checksum) {
341 rte_flow_error_set(error,
343 RTE_FLOW_ERROR_TYPE_ITEM,
345 "Invalid IPv4 mask.");
349 filter->dst_ipaddr[0] = ipv4_spec->hdr.dst_addr;
350 filter->src_ipaddr[0] = ipv4_spec->hdr.src_addr;
353 en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR |
354 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR;
356 en |= EM_FLOW_ALLOC_INPUT_EN_SRC_IPADDR |
357 EM_FLOW_ALLOC_INPUT_EN_DST_IPADDR;
359 if (ipv4_mask->hdr.src_addr) {
360 filter->src_ipaddr_mask[0] =
361 ipv4_mask->hdr.src_addr;
362 en |= !use_ntuple ? 0 :
363 NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR_MASK;
366 if (ipv4_mask->hdr.dst_addr) {
367 filter->dst_ipaddr_mask[0] =
368 ipv4_mask->hdr.dst_addr;
369 en |= !use_ntuple ? 0 :
370 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR_MASK;
373 filter->ip_addr_type = use_ntuple ?
374 HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_IP_ADDR_TYPE_IPV4 :
375 HWRM_CFA_EM_FLOW_ALLOC_INPUT_IP_ADDR_TYPE_IPV4;
377 if (ipv4_spec->hdr.next_proto_id) {
378 filter->ip_protocol =
379 ipv4_spec->hdr.next_proto_id;
381 en |= NTUPLE_FLTR_ALLOC_IN_EN_IP_PROTO;
383 en |= EM_FLOW_ALLOC_INPUT_EN_IP_PROTO;
386 case RTE_FLOW_ITEM_TYPE_IPV6:
387 ipv6_spec = item->spec;
388 ipv6_mask = item->mask;
390 if (!item->spec || !item->mask)
393 /* Only IP DST and SRC fields are maskable. */
394 if (ipv6_mask->hdr.vtc_flow ||
395 ipv6_mask->hdr.payload_len ||
396 ipv6_mask->hdr.proto ||
397 ipv6_mask->hdr.hop_limits) {
398 rte_flow_error_set(error,
400 RTE_FLOW_ERROR_TYPE_ITEM,
402 "Invalid IPv6 mask.");
407 en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR |
408 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR;
410 en |= EM_FLOW_ALLOC_INPUT_EN_SRC_IPADDR |
411 EM_FLOW_ALLOC_INPUT_EN_DST_IPADDR;
413 rte_memcpy(filter->src_ipaddr,
414 ipv6_spec->hdr.src_addr, 16);
415 rte_memcpy(filter->dst_ipaddr,
416 ipv6_spec->hdr.dst_addr, 16);
418 if (!bnxt_check_zero_bytes(ipv6_mask->hdr.src_addr,
420 rte_memcpy(filter->src_ipaddr_mask,
421 ipv6_mask->hdr.src_addr, 16);
422 en |= !use_ntuple ? 0 :
423 NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR_MASK;
426 if (!bnxt_check_zero_bytes(ipv6_mask->hdr.dst_addr,
428 rte_memcpy(filter->dst_ipaddr_mask,
429 ipv6_mask->hdr.dst_addr, 16);
430 en |= !use_ntuple ? 0 :
431 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR_MASK;
434 filter->ip_addr_type = use_ntuple ?
435 NTUPLE_FLTR_ALLOC_INPUT_IP_ADDR_TYPE_IPV6 :
436 EM_FLOW_ALLOC_INPUT_IP_ADDR_TYPE_IPV6;
438 case RTE_FLOW_ITEM_TYPE_TCP:
439 tcp_spec = item->spec;
440 tcp_mask = item->mask;
442 if (!item->spec || !item->mask)
445 /* Check TCP mask. Only DST & SRC ports are maskable */
446 if (tcp_mask->hdr.sent_seq ||
447 tcp_mask->hdr.recv_ack ||
448 tcp_mask->hdr.data_off ||
449 tcp_mask->hdr.tcp_flags ||
450 tcp_mask->hdr.rx_win ||
451 tcp_mask->hdr.cksum ||
452 tcp_mask->hdr.tcp_urp) {
453 rte_flow_error_set(error,
455 RTE_FLOW_ERROR_TYPE_ITEM,
461 filter->src_port = tcp_spec->hdr.src_port;
462 filter->dst_port = tcp_spec->hdr.dst_port;
465 en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_PORT |
466 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_PORT;
468 en |= EM_FLOW_ALLOC_INPUT_EN_SRC_PORT |
469 EM_FLOW_ALLOC_INPUT_EN_DST_PORT;
471 if (tcp_mask->hdr.dst_port) {
472 filter->dst_port_mask = tcp_mask->hdr.dst_port;
473 en |= !use_ntuple ? 0 :
474 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_PORT_MASK;
477 if (tcp_mask->hdr.src_port) {
478 filter->src_port_mask = tcp_mask->hdr.src_port;
479 en |= !use_ntuple ? 0 :
480 NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_PORT_MASK;
483 case RTE_FLOW_ITEM_TYPE_UDP:
484 udp_spec = item->spec;
485 udp_mask = item->mask;
487 if (!item->spec || !item->mask)
490 if (udp_mask->hdr.dgram_len ||
491 udp_mask->hdr.dgram_cksum) {
492 rte_flow_error_set(error,
494 RTE_FLOW_ERROR_TYPE_ITEM,
500 filter->src_port = udp_spec->hdr.src_port;
501 filter->dst_port = udp_spec->hdr.dst_port;
504 en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_PORT |
505 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_PORT;
507 en |= EM_FLOW_ALLOC_INPUT_EN_SRC_PORT |
508 EM_FLOW_ALLOC_INPUT_EN_DST_PORT;
510 if (udp_mask->hdr.dst_port) {
511 filter->dst_port_mask = udp_mask->hdr.dst_port;
512 en |= !use_ntuple ? 0 :
513 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_PORT_MASK;
516 if (udp_mask->hdr.src_port) {
517 filter->src_port_mask = udp_mask->hdr.src_port;
518 en |= !use_ntuple ? 0 :
519 NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_PORT_MASK;
522 case RTE_FLOW_ITEM_TYPE_VXLAN:
523 vxlan_spec = item->spec;
524 vxlan_mask = item->mask;
525 /* Check if VXLAN item is used to describe protocol.
526 * If yes, both spec and mask should be NULL.
527 * If no, both spec and mask shouldn't be NULL.
529 if ((!vxlan_spec && vxlan_mask) ||
530 (vxlan_spec && !vxlan_mask)) {
531 rte_flow_error_set(error,
533 RTE_FLOW_ERROR_TYPE_ITEM,
535 "Invalid VXLAN item");
539 if (!vxlan_spec && !vxlan_mask) {
540 filter->tunnel_type =
541 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_VXLAN;
545 if (vxlan_spec->rsvd1 || vxlan_spec->rsvd0[0] ||
546 vxlan_spec->rsvd0[1] || vxlan_spec->rsvd0[2] ||
547 vxlan_spec->flags != 0x8) {
548 rte_flow_error_set(error,
550 RTE_FLOW_ERROR_TYPE_ITEM,
552 "Invalid VXLAN item");
556 /* Check if VNI is masked. */
557 if (vxlan_mask != NULL) {
559 !!memcmp(vxlan_mask->vni, vni_mask,
565 RTE_FLOW_ERROR_TYPE_ITEM,
571 rte_memcpy(((uint8_t *)&tenant_id_be + 1),
574 rte_be_to_cpu_32(tenant_id_be);
575 filter->tunnel_type =
576 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_VXLAN;
579 case RTE_FLOW_ITEM_TYPE_NVGRE:
580 nvgre_spec = item->spec;
581 nvgre_mask = item->mask;
582 /* Check if NVGRE item is used to describe protocol.
583 * If yes, both spec and mask should be NULL.
584 * If no, both spec and mask shouldn't be NULL.
586 if ((!nvgre_spec && nvgre_mask) ||
587 (nvgre_spec && !nvgre_mask)) {
588 rte_flow_error_set(error,
590 RTE_FLOW_ERROR_TYPE_ITEM,
592 "Invalid NVGRE item");
596 if (!nvgre_spec && !nvgre_mask) {
597 filter->tunnel_type =
598 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_NVGRE;
602 if (nvgre_spec->c_k_s_rsvd0_ver != 0x2000 ||
603 nvgre_spec->protocol != 0x6558) {
604 rte_flow_error_set(error,
606 RTE_FLOW_ERROR_TYPE_ITEM,
608 "Invalid NVGRE item");
612 if (nvgre_spec && nvgre_mask) {
614 !!memcmp(nvgre_mask->tni, tni_mask,
620 RTE_FLOW_ERROR_TYPE_ITEM,
625 rte_memcpy(((uint8_t *)&tenant_id_be + 1),
628 rte_be_to_cpu_32(tenant_id_be);
629 filter->tunnel_type =
630 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_NVGRE;
634 case RTE_FLOW_ITEM_TYPE_GRE:
635 gre_spec = (const struct rte_flow_item_gre *)item->spec;
636 gre_mask = (const struct rte_flow_item_gre *)item->mask;
639 *Check if GRE item is used to describe protocol.
640 * If yes, both spec and mask should be NULL.
641 * If no, both spec and mask shouldn't be NULL.
643 if (!!gre_spec ^ !!gre_mask) {
644 rte_flow_error_set(error, EINVAL,
645 RTE_FLOW_ERROR_TYPE_ITEM,
651 if (!gre_spec && !gre_mask) {
652 filter->tunnel_type =
653 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_IPGRE;
658 case RTE_FLOW_ITEM_TYPE_VF:
659 vf_spec = item->spec;
662 rte_flow_error_set(error,
664 RTE_FLOW_ERROR_TYPE_ITEM,
666 "Configuring on a VF!");
670 if (vf >= bp->pdev->max_vfs) {
671 rte_flow_error_set(error,
673 RTE_FLOW_ERROR_TYPE_ITEM,
679 if (!attr->transfer) {
680 rte_flow_error_set(error,
682 RTE_FLOW_ERROR_TYPE_ITEM,
684 "Matching VF traffic without"
685 " affecting it (transfer attribute)"
690 filter->mirror_vnic_id =
691 dflt_vnic = bnxt_hwrm_func_qcfg_vf_dflt_vnic_id(bp, vf);
693 /* This simply indicates there's no driver
694 * loaded. This is not an error.
699 RTE_FLOW_ERROR_TYPE_ITEM,
701 "Unable to get default VNIC for VF");
705 filter->mirror_vnic_id = dflt_vnic;
706 en |= NTUPLE_FLTR_ALLOC_INPUT_EN_MIRROR_VNIC_ID;
713 filter->enables = en;
714 filter->valid_flags = valid_flags;
719 /* Parse attributes */
721 bnxt_flow_parse_attr(const struct rte_flow_attr *attr,
722 struct rte_flow_error *error)
724 /* Must be input direction */
725 if (!attr->ingress) {
726 rte_flow_error_set(error,
728 RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
730 "Only support ingress.");
736 rte_flow_error_set(error,
738 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS,
740 "No support for egress.");
747 static struct bnxt_filter_info *
748 bnxt_find_matching_l2_filter(struct bnxt *bp, struct bnxt_filter_info *nf)
750 struct bnxt_filter_info *mf, *f0;
751 struct bnxt_vnic_info *vnic0;
754 vnic0 = BNXT_GET_DEFAULT_VNIC(bp);
755 f0 = STAILQ_FIRST(&vnic0->filter);
757 /* This flow has same DST MAC as the port/l2 filter. */
758 if (memcmp(f0->l2_addr, nf->dst_macaddr, RTE_ETHER_ADDR_LEN) == 0)
761 for (i = bp->max_vnics - 1; i >= 0; i--) {
762 struct bnxt_vnic_info *vnic = &bp->vnic_info[i];
764 if (vnic->fw_vnic_id == INVALID_VNIC_ID)
767 STAILQ_FOREACH(mf, &vnic->filter, next) {
769 if (mf->matching_l2_fltr_ptr)
772 if (mf->ethertype == nf->ethertype &&
773 mf->l2_ovlan == nf->l2_ovlan &&
774 mf->l2_ovlan_mask == nf->l2_ovlan_mask &&
775 mf->l2_ivlan == nf->l2_ivlan &&
776 mf->l2_ivlan_mask == nf->l2_ivlan_mask &&
777 !memcmp(mf->src_macaddr, nf->src_macaddr,
778 RTE_ETHER_ADDR_LEN) &&
779 !memcmp(mf->dst_macaddr, nf->dst_macaddr,
787 static struct bnxt_filter_info *
788 bnxt_create_l2_filter(struct bnxt *bp, struct bnxt_filter_info *nf,
789 struct bnxt_vnic_info *vnic)
791 struct bnxt_filter_info *filter1;
794 /* Alloc new L2 filter.
795 * This flow needs MAC filter which does not match any existing
798 filter1 = bnxt_get_unused_filter(bp);
802 memcpy(filter1, nf, sizeof(*filter1));
804 filter1->flags = HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_XDP_DISABLE;
805 filter1->flags |= HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_PATH_RX;
806 if (nf->valid_flags & BNXT_FLOW_L2_SRC_VALID_FLAG ||
807 nf->valid_flags & BNXT_FLOW_L2_DST_VALID_FLAG) {
809 HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_OUTERMOST;
810 PMD_DRV_LOG(DEBUG, "Create Outer filter\n");
813 if (nf->filter_type == HWRM_CFA_L2_FILTER &&
814 (nf->valid_flags & BNXT_FLOW_L2_SRC_VALID_FLAG ||
815 nf->valid_flags & BNXT_FLOW_L2_INNER_SRC_VALID_FLAG)) {
816 PMD_DRV_LOG(DEBUG, "Create L2 filter for SRC MAC\n");
818 HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_SOURCE_VALID;
819 memcpy(filter1->l2_addr, nf->src_macaddr, RTE_ETHER_ADDR_LEN);
821 PMD_DRV_LOG(DEBUG, "Create L2 filter for DST MAC\n");
822 memcpy(filter1->l2_addr, nf->dst_macaddr, RTE_ETHER_ADDR_LEN);
826 (nf->valid_flags & BNXT_FLOW_L2_DST_VALID_FLAG ||
827 nf->valid_flags & BNXT_FLOW_L2_INNER_DST_VALID_FLAG)) {
828 /* Tell the FW where to place the filter in the table. */
829 if (nf->priority > 65535) {
831 HWRM_CFA_L2_FILTER_ALLOC_INPUT_PRI_HINT_BELOW_FILTER;
832 /* This will place the filter in TCAM */
833 filter1->l2_filter_id_hint = (uint64_t)-1;
837 if (nf->valid_flags & (BNXT_FLOW_L2_DST_VALID_FLAG |
838 BNXT_FLOW_L2_SRC_VALID_FLAG |
839 BNXT_FLOW_L2_INNER_SRC_VALID_FLAG |
840 BNXT_FLOW_L2_INNER_DST_VALID_FLAG)) {
842 HWRM_CFA_L2_FILTER_ALLOC_INPUT_ENABLES_L2_ADDR |
843 L2_FILTER_ALLOC_INPUT_EN_L2_ADDR_MASK;
844 memset(filter1->l2_addr_mask, 0xff, RTE_ETHER_ADDR_LEN);
847 if (nf->valid_flags & BNXT_FLOW_L2_DROP_FLAG) {
849 HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_DROP;
850 if (nf->ethertype == RTE_ETHER_TYPE_IPV4) {
851 /* Num VLANs for drop filter will/should be 0.
852 * If the req is memset to 0, then the count will
853 * be automatically set to 0.
855 if (nf->valid_flags & BNXT_FLOW_PARSE_INNER_FLAG) {
857 L2_FILTER_ALLOC_INPUT_EN_T_NUM_VLANS;
860 L2_FILTER_ALLOC_INPUT_EN_NUM_VLANS;
862 HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_OUTERMOST;
867 rc = bnxt_hwrm_set_l2_filter(bp, vnic->fw_vnic_id,
870 bnxt_free_filter(bp, filter1);
876 struct bnxt_filter_info *
877 bnxt_get_l2_filter(struct bnxt *bp, struct bnxt_filter_info *nf,
878 struct bnxt_vnic_info *vnic)
880 struct bnxt_filter_info *l2_filter = NULL;
882 l2_filter = bnxt_find_matching_l2_filter(bp, nf);
884 l2_filter->l2_ref_cnt++;
886 l2_filter = bnxt_create_l2_filter(bp, nf, vnic);
888 STAILQ_INSERT_TAIL(&vnic->filter, l2_filter, next);
889 l2_filter->vnic = vnic;
892 nf->matching_l2_fltr_ptr = l2_filter;
897 static int bnxt_vnic_prep(struct bnxt *bp, struct bnxt_vnic_info *vnic)
899 struct rte_eth_conf *dev_conf = &bp->eth_dev->data->dev_conf;
900 uint64_t rx_offloads = dev_conf->rxmode.offloads;
903 rc = bnxt_vnic_grp_alloc(bp, vnic);
907 rc = bnxt_hwrm_vnic_alloc(bp, vnic);
909 PMD_DRV_LOG(ERR, "HWRM vnic alloc failure rc: %x\n", rc);
914 /* RSS context is required only when there is more than one RSS ring */
915 if (vnic->rx_queue_cnt > 1) {
916 rc = bnxt_hwrm_vnic_ctx_alloc(bp, vnic, 0 /* ctx_idx 0 */);
919 "HWRM vnic ctx alloc failure: %x\n", rc);
923 PMD_DRV_LOG(DEBUG, "No RSS context required\n");
926 if (rx_offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
927 vnic->vlan_strip = true;
929 vnic->vlan_strip = false;
931 rc = bnxt_hwrm_vnic_cfg(bp, vnic);
935 bnxt_hwrm_vnic_plcmode_cfg(bp, vnic);
941 static int match_vnic_rss_cfg(struct bnxt *bp,
942 struct bnxt_vnic_info *vnic,
943 const struct rte_flow_action_rss *rss)
945 unsigned int match = 0, i;
947 if (vnic->rx_queue_cnt != rss->queue_num)
950 for (i = 0; i < rss->queue_num; i++) {
951 if (!bp->rx_queues[rss->queue[i]]->vnic->rx_queue_cnt &&
952 !bp->rx_queues[rss->queue[i]]->rx_started)
956 for (i = 0; i < vnic->rx_queue_cnt; i++) {
959 for (j = 0; j < vnic->rx_queue_cnt; j++) {
960 if (bp->grp_info[rss->queue[i]].fw_grp_id ==
966 if (match != vnic->rx_queue_cnt) {
968 "VNIC queue count %d vs queues matched %d\n",
969 match, vnic->rx_queue_cnt);
977 bnxt_update_filter_flags_en(struct bnxt_filter_info *filter,
978 struct bnxt_filter_info *filter1,
982 !(filter->valid_flags &
983 ~(BNXT_FLOW_L2_DST_VALID_FLAG |
984 BNXT_FLOW_L2_SRC_VALID_FLAG |
985 BNXT_FLOW_L2_INNER_SRC_VALID_FLAG |
986 BNXT_FLOW_L2_INNER_DST_VALID_FLAG |
987 BNXT_FLOW_L2_DROP_FLAG |
988 BNXT_FLOW_PARSE_INNER_FLAG))) {
989 filter->flags = filter1->flags;
990 filter->enables = filter1->enables;
991 filter->filter_type = HWRM_CFA_L2_FILTER;
992 memcpy(filter->l2_addr, filter1->l2_addr, RTE_ETHER_ADDR_LEN);
993 memset(filter->l2_addr_mask, 0xff, RTE_ETHER_ADDR_LEN);
994 filter->pri_hint = filter1->pri_hint;
995 filter->l2_filter_id_hint = filter1->l2_filter_id_hint;
997 filter->fw_l2_filter_id = filter1->fw_l2_filter_id;
998 filter->l2_ref_cnt = filter1->l2_ref_cnt;
999 filter->flow_id = filter1->flow_id;
1001 "l2_filter: %p fw_l2_filter_id %" PRIx64 " l2_ref_cnt %u\n",
1002 filter1, filter->fw_l2_filter_id, filter->l2_ref_cnt);
1006 bnxt_validate_and_parse_flow(struct rte_eth_dev *dev,
1007 const struct rte_flow_item pattern[],
1008 const struct rte_flow_action actions[],
1009 const struct rte_flow_attr *attr,
1010 struct rte_flow_error *error,
1011 struct bnxt_filter_info *filter)
1013 const struct rte_flow_action *act =
1014 bnxt_flow_non_void_action(actions);
1015 struct bnxt *bp = dev->data->dev_private;
1016 struct rte_eth_conf *dev_conf = &bp->eth_dev->data->dev_conf;
1017 struct bnxt_vnic_info *vnic = NULL, *vnic0 = NULL;
1018 const struct rte_flow_action_queue *act_q;
1019 const struct rte_flow_action_vf *act_vf;
1020 struct bnxt_filter_info *filter1 = NULL;
1021 const struct rte_flow_action_rss *rss;
1022 struct bnxt_rx_queue *rxq = NULL;
1023 int dflt_vnic, vnic_id;
1024 unsigned int rss_idx;
1029 bnxt_validate_and_parse_flow_type(bp, attr, pattern, error, filter);
1033 rc = bnxt_flow_parse_attr(attr, error);
1037 /* Since we support ingress attribute only - right now. */
1038 if (filter->filter_type == HWRM_CFA_EM_FILTER)
1039 filter->flags = HWRM_CFA_EM_FLOW_ALLOC_INPUT_FLAGS_PATH_RX;
1041 use_ntuple = bnxt_filter_type_check(pattern, error);
1044 switch (act->type) {
1045 case RTE_FLOW_ACTION_TYPE_QUEUE:
1046 /* Allow this flow. Redirect to a VNIC. */
1047 act_q = (const struct rte_flow_action_queue *)act->conf;
1048 if (!act_q->index || act_q->index >= bp->rx_nr_rings) {
1049 rte_flow_error_set(error,
1051 RTE_FLOW_ERROR_TYPE_ACTION,
1053 "Invalid queue ID.");
1057 PMD_DRV_LOG(DEBUG, "Queue index %d\n", act_q->index);
1059 if (use_ntuple && !BNXT_RFS_NEEDS_VNIC(bp)) {
1061 HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_FLAGS_DEST_RFS_RING_IDX;
1062 filter->dst_id = act_q->index;
1063 goto skip_vnic_alloc;
1066 vnic_id = attr->group;
1068 PMD_DRV_LOG(DEBUG, "Group id is 0\n");
1069 vnic_id = act_q->index;
1072 BNXT_VALID_VNIC_OR_RET(bp, vnic_id);
1074 vnic = &bp->vnic_info[vnic_id];
1075 if (vnic->rx_queue_cnt) {
1076 if (vnic->start_grp_id != act_q->index) {
1078 "VNIC already in use\n");
1079 rte_flow_error_set(error,
1081 RTE_FLOW_ERROR_TYPE_ACTION,
1083 "VNIC already in use");
1090 rxq = bp->rx_queues[act_q->index];
1092 if (!(dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS) && rxq &&
1093 vnic->fw_vnic_id != INVALID_HW_RING_ID)
1098 "Queue invalid or used with other VNIC\n");
1099 rte_flow_error_set(error,
1101 RTE_FLOW_ERROR_TYPE_ACTION,
1103 "Queue invalid queue or in use");
1109 rxq->rx_started = 1;
1110 vnic->rx_queue_cnt++;
1111 vnic->start_grp_id = act_q->index;
1112 vnic->end_grp_id = act_q->index;
1113 vnic->func_default = 0; //This is not a default VNIC.
1115 PMD_DRV_LOG(DEBUG, "VNIC found\n");
1117 rc = bnxt_vnic_prep(bp, vnic);
1119 rte_flow_error_set(error,
1121 RTE_FLOW_ERROR_TYPE_ACTION,
1129 "vnic[%d] = %p vnic->fw_grp_ids = %p\n",
1130 act_q->index, vnic, vnic->fw_grp_ids);
1133 vnic->ff_pool_idx = vnic_id;
1135 "Setting vnic ff_idx %d\n", vnic->ff_pool_idx);
1136 filter->dst_id = vnic->fw_vnic_id;
1138 /* For ntuple filter, create the L2 filter with default VNIC.
1139 * The user specified redirect queue will be set while creating
1140 * the ntuple filter in hardware.
1142 vnic0 = BNXT_GET_DEFAULT_VNIC(bp);
1144 filter1 = bnxt_get_l2_filter(bp, filter, vnic0);
1146 filter1 = bnxt_get_l2_filter(bp, filter, vnic);
1147 if (filter1 == NULL) {
1148 rte_flow_error_set(error,
1150 RTE_FLOW_ERROR_TYPE_ACTION,
1152 "Filter not available");
1157 PMD_DRV_LOG(DEBUG, "new fltr: %p l2fltr: %p l2_ref_cnt: %d\n",
1158 filter, filter1, filter1->l2_ref_cnt);
1159 bnxt_update_filter_flags_en(filter, filter1, use_ntuple);
1161 case RTE_FLOW_ACTION_TYPE_DROP:
1162 vnic0 = &bp->vnic_info[0];
1163 filter->dst_id = vnic0->fw_vnic_id;
1164 filter->valid_flags |= BNXT_FLOW_L2_DROP_FLAG;
1165 filter1 = bnxt_get_l2_filter(bp, filter, vnic0);
1166 if (filter1 == NULL) {
1167 rte_flow_error_set(error,
1169 RTE_FLOW_ERROR_TYPE_ACTION,
1171 "Filter not available");
1176 if (filter->filter_type == HWRM_CFA_EM_FILTER)
1178 HWRM_CFA_EM_FLOW_ALLOC_INPUT_FLAGS_DROP;
1179 else if (filter->filter_type == HWRM_CFA_NTUPLE_FILTER)
1181 HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_FLAGS_DROP;
1183 bnxt_update_filter_flags_en(filter, filter1, use_ntuple);
1185 case RTE_FLOW_ACTION_TYPE_COUNT:
1186 vnic0 = &bp->vnic_info[0];
1187 filter1 = bnxt_get_l2_filter(bp, filter, vnic0);
1188 if (filter1 == NULL) {
1189 rte_flow_error_set(error,
1191 RTE_FLOW_ERROR_TYPE_ACTION,
1193 "New filter not available");
1198 filter->fw_l2_filter_id = filter1->fw_l2_filter_id;
1199 filter->flow_id = filter1->flow_id;
1200 filter->flags = HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_FLAGS_METER;
1202 case RTE_FLOW_ACTION_TYPE_VF:
1203 act_vf = (const struct rte_flow_action_vf *)act->conf;
1206 if (filter->tunnel_type ==
1207 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_VXLAN ||
1208 filter->tunnel_type ==
1209 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_IPGRE) {
1210 /* If issued on a VF, ensure id is 0 and is trusted */
1212 if (!BNXT_VF_IS_TRUSTED(bp) || vf) {
1213 rte_flow_error_set(error, EINVAL,
1214 RTE_FLOW_ERROR_TYPE_ACTION,
1222 filter->enables |= filter->tunnel_type;
1223 filter->filter_type = HWRM_CFA_TUNNEL_REDIRECT_FILTER;
1227 if (vf >= bp->pdev->max_vfs) {
1228 rte_flow_error_set(error,
1230 RTE_FLOW_ERROR_TYPE_ACTION,
1232 "Incorrect VF id!");
1237 filter->mirror_vnic_id =
1238 dflt_vnic = bnxt_hwrm_func_qcfg_vf_dflt_vnic_id(bp, vf);
1239 if (dflt_vnic < 0) {
1240 /* This simply indicates there's no driver loaded.
1241 * This is not an error.
1243 rte_flow_error_set(error,
1245 RTE_FLOW_ERROR_TYPE_ACTION,
1247 "Unable to get default VNIC for VF");
1252 filter->mirror_vnic_id = dflt_vnic;
1253 filter->enables |= NTUPLE_FLTR_ALLOC_INPUT_EN_MIRROR_VNIC_ID;
1255 vnic0 = &bp->vnic_info[0];
1256 filter1 = bnxt_get_l2_filter(bp, filter, vnic0);
1257 if (filter1 == NULL) {
1258 rte_flow_error_set(error,
1260 RTE_FLOW_ERROR_TYPE_ACTION,
1262 "New filter not available");
1267 filter->fw_l2_filter_id = filter1->fw_l2_filter_id;
1268 filter->flow_id = filter1->flow_id;
1270 case RTE_FLOW_ACTION_TYPE_RSS:
1271 rss = (const struct rte_flow_action_rss *)act->conf;
1273 vnic_id = attr->group;
1275 BNXT_VALID_VNIC_OR_RET(bp, vnic_id);
1276 vnic = &bp->vnic_info[vnic_id];
1278 /* Check if requested RSS config matches RSS config of VNIC
1279 * only if it is not a fresh VNIC configuration.
1280 * Otherwise the existing VNIC configuration can be used.
1282 if (vnic->rx_queue_cnt) {
1283 rc = match_vnic_rss_cfg(bp, vnic, rss);
1286 "VNIC and RSS config mismatch\n");
1287 rte_flow_error_set(error,
1289 RTE_FLOW_ERROR_TYPE_ACTION,
1291 "VNIC and RSS cfg mismatch");
1298 for (i = 0; i < rss->queue_num; i++) {
1299 PMD_DRV_LOG(DEBUG, "RSS action Queue %d\n",
1302 if (!rss->queue[i] ||
1303 rss->queue[i] >= bp->rx_nr_rings ||
1304 !bp->rx_queues[rss->queue[i]]) {
1305 rte_flow_error_set(error,
1307 RTE_FLOW_ERROR_TYPE_ACTION,
1309 "Invalid queue ID for RSS");
1313 rxq = bp->rx_queues[rss->queue[i]];
1315 if (bp->vnic_info[0].fw_grp_ids[rss->queue[i]] !=
1316 INVALID_HW_RING_ID) {
1318 "queue active with other VNIC\n");
1319 rte_flow_error_set(error,
1321 RTE_FLOW_ERROR_TYPE_ACTION,
1323 "Invalid queue ID for RSS");
1329 rxq->rx_started = 1;
1330 vnic->rx_queue_cnt++;
1333 vnic->start_grp_id = rss->queue[0];
1334 vnic->end_grp_id = rss->queue[rss->queue_num - 1];
1335 vnic->func_default = 0; //This is not a default VNIC.
1337 rc = bnxt_vnic_prep(bp, vnic);
1339 rte_flow_error_set(error,
1341 RTE_FLOW_ERROR_TYPE_ACTION,
1349 "vnic[%d] = %p vnic->fw_grp_ids = %p\n",
1350 vnic_id, vnic, vnic->fw_grp_ids);
1352 vnic->ff_pool_idx = vnic_id;
1354 "Setting vnic ff_pool_idx %d\n", vnic->ff_pool_idx);
1356 /* This can be done only after vnic_grp_alloc is done. */
1357 for (i = 0; i < vnic->rx_queue_cnt; i++) {
1358 vnic->fw_grp_ids[i] =
1359 bp->grp_info[rss->queue[i]].fw_grp_id;
1360 /* Make sure vnic0 does not use these rings. */
1361 bp->vnic_info[0].fw_grp_ids[rss->queue[i]] =
1365 for (rss_idx = 0; rss_idx < HW_HASH_INDEX_SIZE; ) {
1366 for (i = 0; i < vnic->rx_queue_cnt; i++)
1367 vnic->rss_table[rss_idx++] =
1368 vnic->fw_grp_ids[i];
1371 /* Configure RSS only if the queue count is > 1 */
1372 if (vnic->rx_queue_cnt > 1) {
1374 bnxt_rte_to_hwrm_hash_types(rss->types);
1376 bnxt_rte_to_hwrm_hash_level(bp, rss->types, rss->level);
1378 if (!rss->key_len) {
1379 /* If hash key has not been specified,
1380 * use random hash key.
1382 prandom_bytes(vnic->rss_hash_key,
1385 if (rss->key_len > HW_HASH_KEY_SIZE)
1386 memcpy(vnic->rss_hash_key,
1390 memcpy(vnic->rss_hash_key,
1394 bnxt_hwrm_vnic_rss_cfg(bp, vnic);
1396 PMD_DRV_LOG(DEBUG, "No RSS config required\n");
1400 filter->dst_id = vnic->fw_vnic_id;
1401 filter1 = bnxt_get_l2_filter(bp, filter, vnic);
1402 if (filter1 == NULL) {
1403 rte_flow_error_set(error,
1405 RTE_FLOW_ERROR_TYPE_ACTION,
1407 "New filter not available");
1412 PMD_DRV_LOG(DEBUG, "L2 filter created\n");
1413 bnxt_update_filter_flags_en(filter, filter1, use_ntuple);
1415 case RTE_FLOW_ACTION_TYPE_MARK:
1416 if (bp->mark_table == NULL) {
1417 rte_flow_error_set(error,
1419 RTE_FLOW_ERROR_TYPE_ACTION,
1421 "Mark table not allocated.");
1426 if (bp->flags & BNXT_FLAG_RX_VECTOR_PKT_MODE) {
1428 "Disabling vector processing for mark\n");
1429 bp->eth_dev->rx_pkt_burst = bnxt_recv_pkts;
1430 bp->flags &= ~BNXT_FLAG_RX_VECTOR_PKT_MODE;
1433 filter->valid_flags |= BNXT_FLOW_MARK_FLAG;
1434 filter->mark = ((const struct rte_flow_action_mark *)
1436 PMD_DRV_LOG(DEBUG, "Mark the flow %d\n", filter->mark);
1439 rte_flow_error_set(error,
1441 RTE_FLOW_ERROR_TYPE_ACTION,
1449 act = bnxt_flow_non_void_action(++act);
1450 while (act->type != RTE_FLOW_ACTION_TYPE_END)
1457 bnxt_hwrm_clear_l2_filter(bp, filter1);
1458 bnxt_free_filter(bp, filter1);
1462 if (vnic && STAILQ_EMPTY(&vnic->filter))
1463 vnic->rx_queue_cnt = 0;
1465 if (rxq && !vnic->rx_queue_cnt)
1466 rxq->vnic = &bp->vnic_info[0];
1472 struct bnxt_vnic_info *find_matching_vnic(struct bnxt *bp,
1473 struct bnxt_filter_info *filter)
1475 struct bnxt_vnic_info *vnic = NULL;
1478 for (i = 0; i < bp->max_vnics; i++) {
1479 vnic = &bp->vnic_info[i];
1480 if (vnic->fw_vnic_id != INVALID_VNIC_ID &&
1481 filter->dst_id == vnic->fw_vnic_id) {
1482 PMD_DRV_LOG(DEBUG, "Found matching VNIC Id %d\n",
1491 bnxt_flow_validate(struct rte_eth_dev *dev,
1492 const struct rte_flow_attr *attr,
1493 const struct rte_flow_item pattern[],
1494 const struct rte_flow_action actions[],
1495 struct rte_flow_error *error)
1497 struct bnxt *bp = dev->data->dev_private;
1498 struct bnxt_vnic_info *vnic = NULL;
1499 struct bnxt_filter_info *filter;
1502 bnxt_acquire_flow_lock(bp);
1503 ret = bnxt_flow_args_validate(attr, pattern, actions, error);
1505 bnxt_release_flow_lock(bp);
1509 filter = bnxt_get_unused_filter(bp);
1510 if (filter == NULL) {
1511 PMD_DRV_LOG(ERR, "Not enough resources for a new flow.\n");
1512 bnxt_release_flow_lock(bp);
1516 ret = bnxt_validate_and_parse_flow(dev, pattern, actions, attr,
1521 vnic = find_matching_vnic(bp, filter);
1523 if (STAILQ_EMPTY(&vnic->filter)) {
1524 rte_free(vnic->fw_grp_ids);
1525 bnxt_hwrm_vnic_ctx_free(bp, vnic);
1526 bnxt_hwrm_vnic_free(bp, vnic);
1527 vnic->rx_queue_cnt = 0;
1528 PMD_DRV_LOG(DEBUG, "Free VNIC\n");
1532 if (filter->filter_type == HWRM_CFA_EM_FILTER)
1533 bnxt_hwrm_clear_em_filter(bp, filter);
1534 else if (filter->filter_type == HWRM_CFA_NTUPLE_FILTER)
1535 bnxt_hwrm_clear_ntuple_filter(bp, filter);
1537 bnxt_hwrm_clear_l2_filter(bp, filter);
1540 /* No need to hold on to this filter if we are just validating flow */
1541 bnxt_free_filter(bp, filter);
1542 bnxt_release_flow_lock(bp);
1548 bnxt_update_filter(struct bnxt *bp, struct bnxt_filter_info *old_filter,
1549 struct bnxt_filter_info *new_filter)
1551 /* Clear the new L2 filter that was created in the previous step in
1552 * bnxt_validate_and_parse_flow. For L2 filters, we will use the new
1553 * filter which points to the new destination queue and so we clear
1554 * the previous L2 filter. For ntuple filters, we are going to reuse
1555 * the old L2 filter and create new NTUPLE filter with this new
1556 * destination queue subsequently during bnxt_flow_create. So we
1557 * decrement the ref cnt of the L2 filter that would've been bumped
1558 * up previously in bnxt_validate_and_parse_flow as the old n-tuple
1559 * filter that was referencing it will be deleted now.
1561 bnxt_hwrm_clear_l2_filter(bp, old_filter);
1562 if (new_filter->filter_type == HWRM_CFA_L2_FILTER) {
1563 bnxt_hwrm_set_l2_filter(bp, new_filter->dst_id, new_filter);
1565 if (new_filter->filter_type == HWRM_CFA_EM_FILTER)
1566 bnxt_hwrm_clear_em_filter(bp, old_filter);
1567 if (new_filter->filter_type == HWRM_CFA_NTUPLE_FILTER)
1568 bnxt_hwrm_clear_ntuple_filter(bp, old_filter);
1573 bnxt_match_filter(struct bnxt *bp, struct bnxt_filter_info *nf)
1575 struct bnxt_filter_info *mf;
1576 struct rte_flow *flow;
1579 for (i = bp->max_vnics - 1; i >= 0; i--) {
1580 struct bnxt_vnic_info *vnic = &bp->vnic_info[i];
1582 if (vnic->fw_vnic_id == INVALID_VNIC_ID)
1585 STAILQ_FOREACH(flow, &vnic->flow_list, next) {
1588 if (mf->filter_type == nf->filter_type &&
1589 mf->flags == nf->flags &&
1590 mf->src_port == nf->src_port &&
1591 mf->src_port_mask == nf->src_port_mask &&
1592 mf->dst_port == nf->dst_port &&
1593 mf->dst_port_mask == nf->dst_port_mask &&
1594 mf->ip_protocol == nf->ip_protocol &&
1595 mf->ip_addr_type == nf->ip_addr_type &&
1596 mf->ethertype == nf->ethertype &&
1597 mf->vni == nf->vni &&
1598 mf->tunnel_type == nf->tunnel_type &&
1599 mf->l2_ovlan == nf->l2_ovlan &&
1600 mf->l2_ovlan_mask == nf->l2_ovlan_mask &&
1601 mf->l2_ivlan == nf->l2_ivlan &&
1602 mf->l2_ivlan_mask == nf->l2_ivlan_mask &&
1603 !memcmp(mf->l2_addr, nf->l2_addr,
1604 RTE_ETHER_ADDR_LEN) &&
1605 !memcmp(mf->l2_addr_mask, nf->l2_addr_mask,
1606 RTE_ETHER_ADDR_LEN) &&
1607 !memcmp(mf->src_macaddr, nf->src_macaddr,
1608 RTE_ETHER_ADDR_LEN) &&
1609 !memcmp(mf->dst_macaddr, nf->dst_macaddr,
1610 RTE_ETHER_ADDR_LEN) &&
1611 !memcmp(mf->src_ipaddr, nf->src_ipaddr,
1612 sizeof(nf->src_ipaddr)) &&
1613 !memcmp(mf->src_ipaddr_mask, nf->src_ipaddr_mask,
1614 sizeof(nf->src_ipaddr_mask)) &&
1615 !memcmp(mf->dst_ipaddr, nf->dst_ipaddr,
1616 sizeof(nf->dst_ipaddr)) &&
1617 !memcmp(mf->dst_ipaddr_mask, nf->dst_ipaddr_mask,
1618 sizeof(nf->dst_ipaddr_mask))) {
1619 if (mf->dst_id == nf->dst_id)
1621 /* Free the old filter, update flow
1624 bnxt_update_filter(bp, mf, nf);
1625 STAILQ_REMOVE(&vnic->filter, mf,
1626 bnxt_filter_info, next);
1627 STAILQ_INSERT_TAIL(&vnic->filter, nf, next);
1628 bnxt_free_filter(bp, mf);
1638 bnxt_setup_flow_counter(struct bnxt *bp)
1640 if (bp->fw_cap & BNXT_FW_CAP_ADV_FLOW_COUNTERS &&
1641 !(bp->flags & BNXT_FLAG_FC_THREAD) && BNXT_FLOW_XSTATS_EN(bp)) {
1642 rte_eal_alarm_set(US_PER_S * BNXT_FC_TIMER,
1643 bnxt_flow_cnt_alarm_cb,
1645 bp->flags |= BNXT_FLAG_FC_THREAD;
1649 void bnxt_flow_cnt_alarm_cb(void *arg)
1652 struct bnxt *bp = arg;
1654 if (!bp->flow_stat->rx_fc_out_tbl.va) {
1655 PMD_DRV_LOG(ERR, "bp->flow_stat->rx_fc_out_tbl.va is NULL?\n");
1656 bnxt_cancel_fc_thread(bp);
1660 if (!bp->flow_stat->flow_count) {
1661 bnxt_cancel_fc_thread(bp);
1665 if (!bp->eth_dev->data->dev_started) {
1666 bnxt_cancel_fc_thread(bp);
1670 rc = bnxt_flow_stats_req(bp);
1672 PMD_DRV_LOG(ERR, "Flow stat alarm not rescheduled.\n");
1676 rte_eal_alarm_set(US_PER_S * BNXT_FC_TIMER,
1677 bnxt_flow_cnt_alarm_cb,
1682 static struct rte_flow *
1683 bnxt_flow_create(struct rte_eth_dev *dev,
1684 const struct rte_flow_attr *attr,
1685 const struct rte_flow_item pattern[],
1686 const struct rte_flow_action actions[],
1687 struct rte_flow_error *error)
1689 struct bnxt *bp = dev->data->dev_private;
1690 struct bnxt_vnic_info *vnic = NULL;
1691 struct bnxt_filter_info *filter;
1692 bool update_flow = false;
1693 struct rte_flow *flow;
1695 uint32_t tun_type, flow_id;
1697 if (BNXT_VF(bp) && !BNXT_VF_IS_TRUSTED(bp)) {
1698 rte_flow_error_set(error, EINVAL,
1699 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1700 "Failed to create flow, Not a Trusted VF!");
1704 if (!dev->data->dev_started) {
1705 rte_flow_error_set(error,
1707 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
1709 "Device must be started");
1713 flow = rte_zmalloc("bnxt_flow", sizeof(struct rte_flow), 0);
1715 rte_flow_error_set(error, ENOMEM,
1716 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1717 "Failed to allocate memory");
1721 bnxt_acquire_flow_lock(bp);
1722 ret = bnxt_flow_args_validate(attr, pattern, actions, error);
1724 PMD_DRV_LOG(ERR, "Not a validate flow.\n");
1728 filter = bnxt_get_unused_filter(bp);
1729 if (filter == NULL) {
1730 rte_flow_error_set(error, ENOSPC,
1731 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1732 "Not enough resources for a new flow");
1736 ret = bnxt_validate_and_parse_flow(dev, pattern, actions, attr,
1741 ret = bnxt_match_filter(bp, filter);
1742 if (ret == -EEXIST) {
1743 PMD_DRV_LOG(DEBUG, "Flow already exists.\n");
1744 /* Clear the filter that was created as part of
1745 * validate_and_parse_flow() above
1747 bnxt_hwrm_clear_l2_filter(bp, filter);
1749 } else if (ret == -EXDEV) {
1750 PMD_DRV_LOG(DEBUG, "Flow with same pattern exists\n");
1751 PMD_DRV_LOG(DEBUG, "Updating with different destination\n");
1755 /* If tunnel redirection to a VF/PF is specified then only tunnel_type
1756 * is set and enable is set to the tunnel type. Issue hwrm cmd directly
1759 if (filter->filter_type == HWRM_CFA_TUNNEL_REDIRECT_FILTER &&
1760 filter->enables == filter->tunnel_type) {
1761 ret = bnxt_hwrm_tunnel_redirect_query(bp, &tun_type);
1763 rte_flow_error_set(error, -ret,
1764 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1765 "Unable to query tunnel to VF");
1768 if (tun_type == (1U << filter->tunnel_type)) {
1770 bnxt_hwrm_tunnel_redirect_free(bp,
1771 filter->tunnel_type);
1774 "Unable to free existing tunnel\n");
1775 rte_flow_error_set(error, -ret,
1776 RTE_FLOW_ERROR_TYPE_HANDLE,
1778 "Unable to free preexisting "
1783 ret = bnxt_hwrm_tunnel_redirect(bp, filter->tunnel_type);
1785 rte_flow_error_set(error, -ret,
1786 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1787 "Unable to redirect tunnel to VF");
1790 vnic = &bp->vnic_info[0];
1794 if (filter->filter_type == HWRM_CFA_EM_FILTER) {
1796 HWRM_CFA_EM_FLOW_ALLOC_INPUT_ENABLES_L2_FILTER_ID;
1797 ret = bnxt_hwrm_set_em_filter(bp, filter->dst_id, filter);
1799 rte_flow_error_set(error, -ret,
1800 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1801 "Failed to create EM filter");
1806 if (filter->filter_type == HWRM_CFA_NTUPLE_FILTER) {
1808 HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_ENABLES_L2_FILTER_ID;
1809 ret = bnxt_hwrm_set_ntuple_filter(bp, filter->dst_id, filter);
1811 rte_flow_error_set(error, -ret,
1812 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1813 "Failed to create ntuple filter");
1818 if (BNXT_RFS_NEEDS_VNIC(bp))
1819 vnic = find_matching_vnic(bp, filter);
1821 vnic = BNXT_GET_DEFAULT_VNIC(bp);
1823 if (!ret || update_flow) {
1824 flow->filter = filter;
1831 if (filter->valid_flags & BNXT_FLOW_MARK_FLAG) {
1833 "Mark action: mark id 0x%x, flow id 0x%x\n",
1834 filter->mark, filter->flow_id);
1836 /* TCAM and EM should be 16-bit only.
1837 * Other modes not supported.
1839 flow_id = filter->flow_id & BNXT_FLOW_ID_MASK;
1840 if (bp->mark_table[flow_id].valid) {
1841 rte_flow_error_set(error, EEXIST,
1842 RTE_FLOW_ERROR_TYPE_HANDLE,
1844 "Flow with mark id exists");
1845 bnxt_clear_one_vnic_filter(bp, filter);
1848 bp->mark_table[flow_id].valid = true;
1849 bp->mark_table[flow_id].mark_id = filter->mark;
1852 STAILQ_INSERT_TAIL(&vnic->filter, filter, next);
1853 STAILQ_INSERT_TAIL(&vnic->flow_list, flow, next);
1855 if (BNXT_FLOW_XSTATS_EN(bp))
1856 bp->flow_stat->flow_count++;
1857 bnxt_release_flow_lock(bp);
1858 bnxt_setup_flow_counter(bp);
1859 PMD_DRV_LOG(DEBUG, "Successfully created flow.\n");
1864 bnxt_free_filter(bp, filter);
1867 rte_flow_error_set(error, ret,
1868 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1869 "Matching Flow exists.");
1870 else if (ret == -EXDEV)
1871 rte_flow_error_set(error, 0,
1872 RTE_FLOW_ERROR_TYPE_NONE, NULL,
1873 "Flow with pattern exists, updating destination queue");
1874 else if (!rte_errno)
1875 rte_flow_error_set(error, -ret,
1876 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1877 "Failed to create flow.");
1880 bnxt_release_flow_lock(bp);
1884 static int bnxt_handle_tunnel_redirect_destroy(struct bnxt *bp,
1885 struct bnxt_filter_info *filter,
1886 struct rte_flow_error *error)
1888 uint16_t tun_dst_fid;
1892 ret = bnxt_hwrm_tunnel_redirect_query(bp, &tun_type);
1894 rte_flow_error_set(error, -ret,
1895 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1896 "Unable to query tunnel to VF");
1899 if (tun_type == (1U << filter->tunnel_type)) {
1900 ret = bnxt_hwrm_tunnel_redirect_info(bp, filter->tunnel_type,
1903 rte_flow_error_set(error, -ret,
1904 RTE_FLOW_ERROR_TYPE_HANDLE,
1906 "tunnel_redirect info cmd fail");
1909 PMD_DRV_LOG(INFO, "Pre-existing tunnel fid = %x vf->fid = %x\n",
1910 tun_dst_fid + bp->first_vf_id, bp->fw_fid);
1912 /* Tunnel doesn't belong to this VF, so don't send HWRM
1913 * cmd, just delete the flow from driver
1915 if (bp->fw_fid != (tun_dst_fid + bp->first_vf_id))
1917 "Tunnel does not belong to this VF, skip hwrm_tunnel_redirect_free\n");
1919 ret = bnxt_hwrm_tunnel_redirect_free(bp,
1920 filter->tunnel_type);
1926 _bnxt_flow_destroy(struct bnxt *bp,
1927 struct rte_flow *flow,
1928 struct rte_flow_error *error)
1930 struct bnxt_filter_info *filter;
1931 struct bnxt_vnic_info *vnic;
1935 filter = flow->filter;
1938 if (filter->filter_type == HWRM_CFA_TUNNEL_REDIRECT_FILTER &&
1939 filter->enables == filter->tunnel_type) {
1940 ret = bnxt_handle_tunnel_redirect_destroy(bp, filter, error);
1947 ret = bnxt_match_filter(bp, filter);
1949 PMD_DRV_LOG(ERR, "Could not find matching flow\n");
1951 if (filter->valid_flags & BNXT_FLOW_MARK_FLAG) {
1952 flow_id = filter->flow_id & BNXT_FLOW_ID_MASK;
1953 memset(&bp->mark_table[flow_id], 0,
1954 sizeof(bp->mark_table[flow_id]));
1955 filter->flow_id = 0;
1958 ret = bnxt_clear_one_vnic_filter(bp, filter);
1962 /* If it is a L2 drop filter, when the filter is created,
1963 * the FW updates the BC/MC records.
1964 * Once this filter is removed, issue the set_rx_mask command
1965 * to reset the BC/MC records in the HW to the settings
1966 * before the drop counter is created.
1968 if (filter->valid_flags & BNXT_FLOW_L2_DROP_FLAG)
1969 bnxt_set_rx_mask_no_vlan(bp, &bp->vnic_info[0]);
1971 STAILQ_REMOVE(&vnic->filter, filter, bnxt_filter_info, next);
1972 bnxt_free_filter(bp, filter);
1973 STAILQ_REMOVE(&vnic->flow_list, flow, rte_flow, next);
1975 if (BNXT_FLOW_XSTATS_EN(bp))
1976 bp->flow_stat->flow_count--;
1978 /* If this was the last flow associated with this vnic,
1979 * switch the queue back to RSS pool.
1981 if (vnic && !vnic->func_default &&
1982 STAILQ_EMPTY(&vnic->flow_list)) {
1983 rte_free(vnic->fw_grp_ids);
1984 if (vnic->rx_queue_cnt > 1)
1985 bnxt_hwrm_vnic_ctx_free(bp, vnic);
1987 bnxt_hwrm_vnic_free(bp, vnic);
1988 vnic->rx_queue_cnt = 0;
1991 rte_flow_error_set(error, -ret,
1992 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1993 "Failed to destroy flow.");
2000 bnxt_flow_destroy(struct rte_eth_dev *dev,
2001 struct rte_flow *flow,
2002 struct rte_flow_error *error)
2004 struct bnxt *bp = dev->data->dev_private;
2007 bnxt_acquire_flow_lock(bp);
2009 rte_flow_error_set(error, EINVAL,
2010 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
2011 "Invalid flow: failed to destroy flow.");
2012 bnxt_release_flow_lock(bp);
2016 if (!flow->filter) {
2017 rte_flow_error_set(error, EINVAL,
2018 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
2019 "Invalid flow: failed to destroy flow.");
2020 bnxt_release_flow_lock(bp);
2023 ret = _bnxt_flow_destroy(bp, flow, error);
2024 bnxt_release_flow_lock(bp);
2029 void bnxt_cancel_fc_thread(struct bnxt *bp)
2031 bp->flags &= ~BNXT_FLAG_FC_THREAD;
2032 rte_eal_alarm_cancel(bnxt_flow_cnt_alarm_cb, (void *)bp);
2036 bnxt_flow_flush(struct rte_eth_dev *dev, struct rte_flow_error *error)
2038 struct bnxt *bp = dev->data->dev_private;
2039 struct bnxt_vnic_info *vnic;
2040 struct rte_flow *flow;
2044 bnxt_acquire_flow_lock(bp);
2045 for (i = 0; i < bp->max_vnics; i++) {
2046 vnic = &bp->vnic_info[i];
2047 if (vnic && vnic->fw_vnic_id == INVALID_VNIC_ID)
2050 while (!STAILQ_EMPTY(&vnic->flow_list)) {
2051 flow = STAILQ_FIRST(&vnic->flow_list);
2056 ret = _bnxt_flow_destroy(bp, flow, error);
2062 bnxt_cancel_fc_thread(bp);
2063 bnxt_release_flow_lock(bp);
2068 const struct rte_flow_ops bnxt_flow_ops = {
2069 .validate = bnxt_flow_validate,
2070 .create = bnxt_flow_create,
2071 .destroy = bnxt_flow_destroy,
2072 .flush = bnxt_flow_flush,