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_vnic.h"
18 #include "bnxt_util.h"
19 #include "hsi_struct_def_dpdk.h"
22 bnxt_flow_args_validate(const struct rte_flow_attr *attr,
23 const struct rte_flow_item pattern[],
24 const struct rte_flow_action actions[],
25 struct rte_flow_error *error)
28 rte_flow_error_set(error,
30 RTE_FLOW_ERROR_TYPE_ITEM_NUM,
37 rte_flow_error_set(error,
39 RTE_FLOW_ERROR_TYPE_ACTION_NUM,
46 rte_flow_error_set(error,
48 RTE_FLOW_ERROR_TYPE_ATTR,
57 static const struct rte_flow_item *
58 bnxt_flow_non_void_item(const struct rte_flow_item *cur)
61 if (cur->type != RTE_FLOW_ITEM_TYPE_VOID)
67 static const struct rte_flow_action *
68 bnxt_flow_non_void_action(const struct rte_flow_action *cur)
71 if (cur->type != RTE_FLOW_ACTION_TYPE_VOID)
78 bnxt_filter_type_check(const struct rte_flow_item pattern[],
79 struct rte_flow_error *error __rte_unused)
81 const struct rte_flow_item *item =
82 bnxt_flow_non_void_item(pattern);
85 while (item->type != RTE_FLOW_ITEM_TYPE_END) {
87 case RTE_FLOW_ITEM_TYPE_ETH:
90 case RTE_FLOW_ITEM_TYPE_VLAN:
93 case RTE_FLOW_ITEM_TYPE_IPV4:
94 case RTE_FLOW_ITEM_TYPE_IPV6:
95 case RTE_FLOW_ITEM_TYPE_TCP:
96 case RTE_FLOW_ITEM_TYPE_UDP:
98 /* need ntuple match, reset exact match */
101 "VLAN flow cannot use NTUPLE filter\n");
105 RTE_FLOW_ERROR_TYPE_ITEM,
107 "Cannot use VLAN with NTUPLE");
113 PMD_DRV_LOG(ERR, "Unknown Flow type\n");
122 bnxt_validate_and_parse_flow_type(struct bnxt *bp,
123 const struct rte_flow_attr *attr,
124 const struct rte_flow_item pattern[],
125 struct rte_flow_error *error,
126 struct bnxt_filter_info *filter)
128 const struct rte_flow_item *item = bnxt_flow_non_void_item(pattern);
129 const struct rte_flow_item_vlan *vlan_spec, *vlan_mask;
130 const struct rte_flow_item_ipv4 *ipv4_spec, *ipv4_mask;
131 const struct rte_flow_item_ipv6 *ipv6_spec, *ipv6_mask;
132 const struct rte_flow_item_tcp *tcp_spec, *tcp_mask;
133 const struct rte_flow_item_udp *udp_spec, *udp_mask;
134 const struct rte_flow_item_eth *eth_spec, *eth_mask;
135 const struct rte_flow_item_nvgre *nvgre_spec;
136 const struct rte_flow_item_nvgre *nvgre_mask;
137 const struct rte_flow_item_vxlan *vxlan_spec;
138 const struct rte_flow_item_vxlan *vxlan_mask;
139 uint8_t vni_mask[] = {0xFF, 0xFF, 0xFF};
140 uint8_t tni_mask[] = {0xFF, 0xFF, 0xFF};
141 const struct rte_flow_item_vf *vf_spec;
142 uint32_t tenant_id_be = 0;
148 uint32_t en_ethertype;
151 use_ntuple = bnxt_filter_type_check(pattern, error);
152 PMD_DRV_LOG(DEBUG, "Use NTUPLE %d\n", use_ntuple);
156 filter->filter_type = use_ntuple ?
157 HWRM_CFA_NTUPLE_FILTER : HWRM_CFA_EM_FILTER;
158 en_ethertype = use_ntuple ?
159 NTUPLE_FLTR_ALLOC_INPUT_EN_ETHERTYPE :
160 EM_FLOW_ALLOC_INPUT_EN_ETHERTYPE;
162 while (item->type != RTE_FLOW_ITEM_TYPE_END) {
164 /* last or range is NOT supported as match criteria */
165 rte_flow_error_set(error, EINVAL,
166 RTE_FLOW_ERROR_TYPE_ITEM,
168 "No support for range");
172 if (!item->spec || !item->mask) {
173 rte_flow_error_set(error, EINVAL,
174 RTE_FLOW_ERROR_TYPE_ITEM,
176 "spec/mask is NULL");
180 switch (item->type) {
181 case RTE_FLOW_ITEM_TYPE_ETH:
182 eth_spec = item->spec;
183 eth_mask = item->mask;
185 /* Source MAC address mask cannot be partially set.
186 * Should be All 0's or all 1's.
187 * Destination MAC address mask must not be partially
188 * set. Should be all 1's or all 0's.
190 if ((!is_zero_ether_addr(ð_mask->src) &&
191 !is_broadcast_ether_addr(ð_mask->src)) ||
192 (!is_zero_ether_addr(ð_mask->dst) &&
193 !is_broadcast_ether_addr(ð_mask->dst))) {
194 rte_flow_error_set(error,
196 RTE_FLOW_ERROR_TYPE_ITEM,
198 "MAC_addr mask not valid");
202 /* Mask is not allowed. Only exact matches are */
203 if (eth_mask->type &&
204 eth_mask->type != RTE_BE16(0xffff)) {
205 rte_flow_error_set(error, EINVAL,
206 RTE_FLOW_ERROR_TYPE_ITEM,
208 "ethertype mask not valid");
212 if (is_broadcast_ether_addr(ð_mask->dst)) {
213 rte_memcpy(filter->dst_macaddr,
216 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_MACADDR :
217 EM_FLOW_ALLOC_INPUT_EN_DST_MACADDR;
220 if (is_broadcast_ether_addr(ð_mask->src)) {
221 rte_memcpy(filter->src_macaddr,
224 NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_MACADDR :
225 EM_FLOW_ALLOC_INPUT_EN_SRC_MACADDR;
228 * PMD_DRV_LOG(ERR, "Handle this condition\n");
231 if (eth_mask->type) {
233 rte_be_to_cpu_16(eth_spec->type);
238 case RTE_FLOW_ITEM_TYPE_VLAN:
239 vlan_spec = item->spec;
240 vlan_mask = item->mask;
241 if (en & en_ethertype) {
242 rte_flow_error_set(error, EINVAL,
243 RTE_FLOW_ERROR_TYPE_ITEM,
245 "VLAN TPID matching is not"
249 if (vlan_mask->tci &&
250 vlan_mask->tci == RTE_BE16(0x0fff)) {
251 /* Only the VLAN ID can be matched. */
253 rte_be_to_cpu_16(vlan_spec->tci &
255 en |= EM_FLOW_ALLOC_INPUT_EN_OVLAN_VID;
257 rte_flow_error_set(error,
259 RTE_FLOW_ERROR_TYPE_ITEM,
261 "VLAN mask is invalid");
264 if (vlan_mask->inner_type &&
265 vlan_mask->inner_type != RTE_BE16(0xffff)) {
266 rte_flow_error_set(error, EINVAL,
267 RTE_FLOW_ERROR_TYPE_ITEM,
269 "inner ethertype mask not"
273 if (vlan_mask->inner_type) {
275 rte_be_to_cpu_16(vlan_spec->inner_type);
280 case RTE_FLOW_ITEM_TYPE_IPV4:
281 /* If mask is not involved, we could use EM filters. */
282 ipv4_spec = item->spec;
283 ipv4_mask = item->mask;
284 /* Only IP DST and SRC fields are maskable. */
285 if (ipv4_mask->hdr.version_ihl ||
286 ipv4_mask->hdr.type_of_service ||
287 ipv4_mask->hdr.total_length ||
288 ipv4_mask->hdr.packet_id ||
289 ipv4_mask->hdr.fragment_offset ||
290 ipv4_mask->hdr.time_to_live ||
291 ipv4_mask->hdr.next_proto_id ||
292 ipv4_mask->hdr.hdr_checksum) {
293 rte_flow_error_set(error,
295 RTE_FLOW_ERROR_TYPE_ITEM,
297 "Invalid IPv4 mask.");
301 filter->dst_ipaddr[0] = ipv4_spec->hdr.dst_addr;
302 filter->src_ipaddr[0] = ipv4_spec->hdr.src_addr;
305 en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR |
306 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR;
308 en |= EM_FLOW_ALLOC_INPUT_EN_SRC_IPADDR |
309 EM_FLOW_ALLOC_INPUT_EN_DST_IPADDR;
311 if (ipv4_mask->hdr.src_addr) {
312 filter->src_ipaddr_mask[0] =
313 ipv4_mask->hdr.src_addr;
314 en |= !use_ntuple ? 0 :
315 NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR_MASK;
318 if (ipv4_mask->hdr.dst_addr) {
319 filter->dst_ipaddr_mask[0] =
320 ipv4_mask->hdr.dst_addr;
321 en |= !use_ntuple ? 0 :
322 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR_MASK;
325 filter->ip_addr_type = use_ntuple ?
326 HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_IP_ADDR_TYPE_IPV4 :
327 HWRM_CFA_EM_FLOW_ALLOC_INPUT_IP_ADDR_TYPE_IPV4;
329 if (ipv4_spec->hdr.next_proto_id) {
330 filter->ip_protocol =
331 ipv4_spec->hdr.next_proto_id;
333 en |= NTUPLE_FLTR_ALLOC_IN_EN_IP_PROTO;
335 en |= EM_FLOW_ALLOC_INPUT_EN_IP_PROTO;
338 case RTE_FLOW_ITEM_TYPE_IPV6:
339 ipv6_spec = item->spec;
340 ipv6_mask = item->mask;
342 /* Only IP DST and SRC fields are maskable. */
343 if (ipv6_mask->hdr.vtc_flow ||
344 ipv6_mask->hdr.payload_len ||
345 ipv6_mask->hdr.proto ||
346 ipv6_mask->hdr.hop_limits) {
347 rte_flow_error_set(error,
349 RTE_FLOW_ERROR_TYPE_ITEM,
351 "Invalid IPv6 mask.");
356 en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR |
357 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR;
359 en |= EM_FLOW_ALLOC_INPUT_EN_SRC_IPADDR |
360 EM_FLOW_ALLOC_INPUT_EN_DST_IPADDR;
362 rte_memcpy(filter->src_ipaddr,
363 ipv6_spec->hdr.src_addr, 16);
364 rte_memcpy(filter->dst_ipaddr,
365 ipv6_spec->hdr.dst_addr, 16);
367 if (!bnxt_check_zero_bytes(ipv6_mask->hdr.src_addr,
369 rte_memcpy(filter->src_ipaddr_mask,
370 ipv6_mask->hdr.src_addr, 16);
371 en |= !use_ntuple ? 0 :
372 NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR_MASK;
375 if (!bnxt_check_zero_bytes(ipv6_mask->hdr.dst_addr,
377 rte_memcpy(filter->dst_ipaddr_mask,
378 ipv6_mask->hdr.dst_addr, 16);
379 en |= !use_ntuple ? 0 :
380 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR_MASK;
383 filter->ip_addr_type = use_ntuple ?
384 NTUPLE_FLTR_ALLOC_INPUT_IP_ADDR_TYPE_IPV6 :
385 EM_FLOW_ALLOC_INPUT_IP_ADDR_TYPE_IPV6;
387 case RTE_FLOW_ITEM_TYPE_TCP:
388 tcp_spec = item->spec;
389 tcp_mask = item->mask;
391 /* Check TCP mask. Only DST & SRC ports are maskable */
392 if (tcp_mask->hdr.sent_seq ||
393 tcp_mask->hdr.recv_ack ||
394 tcp_mask->hdr.data_off ||
395 tcp_mask->hdr.tcp_flags ||
396 tcp_mask->hdr.rx_win ||
397 tcp_mask->hdr.cksum ||
398 tcp_mask->hdr.tcp_urp) {
399 rte_flow_error_set(error,
401 RTE_FLOW_ERROR_TYPE_ITEM,
407 filter->src_port = tcp_spec->hdr.src_port;
408 filter->dst_port = tcp_spec->hdr.dst_port;
411 en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_PORT |
412 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_PORT;
414 en |= EM_FLOW_ALLOC_INPUT_EN_SRC_PORT |
415 EM_FLOW_ALLOC_INPUT_EN_DST_PORT;
417 if (tcp_mask->hdr.dst_port) {
418 filter->dst_port_mask = tcp_mask->hdr.dst_port;
419 en |= !use_ntuple ? 0 :
420 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_PORT_MASK;
423 if (tcp_mask->hdr.src_port) {
424 filter->src_port_mask = tcp_mask->hdr.src_port;
425 en |= !use_ntuple ? 0 :
426 NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_PORT_MASK;
429 case RTE_FLOW_ITEM_TYPE_UDP:
430 udp_spec = item->spec;
431 udp_mask = item->mask;
433 if (udp_mask->hdr.dgram_len ||
434 udp_mask->hdr.dgram_cksum) {
435 rte_flow_error_set(error,
437 RTE_FLOW_ERROR_TYPE_ITEM,
443 filter->src_port = udp_spec->hdr.src_port;
444 filter->dst_port = udp_spec->hdr.dst_port;
447 en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_PORT |
448 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_PORT;
450 en |= EM_FLOW_ALLOC_INPUT_EN_SRC_PORT |
451 EM_FLOW_ALLOC_INPUT_EN_DST_PORT;
453 if (udp_mask->hdr.dst_port) {
454 filter->dst_port_mask = udp_mask->hdr.dst_port;
455 en |= !use_ntuple ? 0 :
456 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_PORT_MASK;
459 if (udp_mask->hdr.src_port) {
460 filter->src_port_mask = udp_mask->hdr.src_port;
461 en |= !use_ntuple ? 0 :
462 NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_PORT_MASK;
465 case RTE_FLOW_ITEM_TYPE_VXLAN:
466 vxlan_spec = item->spec;
467 vxlan_mask = item->mask;
468 /* Check if VXLAN item is used to describe protocol.
469 * If yes, both spec and mask should be NULL.
470 * If no, both spec and mask shouldn't be NULL.
472 if ((!vxlan_spec && vxlan_mask) ||
473 (vxlan_spec && !vxlan_mask)) {
474 rte_flow_error_set(error,
476 RTE_FLOW_ERROR_TYPE_ITEM,
478 "Invalid VXLAN item");
482 if (vxlan_spec->rsvd1 || vxlan_spec->rsvd0[0] ||
483 vxlan_spec->rsvd0[1] || vxlan_spec->rsvd0[2] ||
484 vxlan_spec->flags != 0x8) {
485 rte_flow_error_set(error,
487 RTE_FLOW_ERROR_TYPE_ITEM,
489 "Invalid VXLAN item");
493 /* Check if VNI is masked. */
494 if (vxlan_spec && vxlan_mask) {
496 !!memcmp(vxlan_mask->vni, vni_mask,
502 RTE_FLOW_ERROR_TYPE_ITEM,
508 rte_memcpy(((uint8_t *)&tenant_id_be + 1),
511 rte_be_to_cpu_32(tenant_id_be);
512 filter->tunnel_type =
513 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_VXLAN;
516 case RTE_FLOW_ITEM_TYPE_NVGRE:
517 nvgre_spec = item->spec;
518 nvgre_mask = item->mask;
519 /* Check if NVGRE item is used to describe protocol.
520 * If yes, both spec and mask should be NULL.
521 * If no, both spec and mask shouldn't be NULL.
523 if ((!nvgre_spec && nvgre_mask) ||
524 (nvgre_spec && !nvgre_mask)) {
525 rte_flow_error_set(error,
527 RTE_FLOW_ERROR_TYPE_ITEM,
529 "Invalid NVGRE item");
533 if (nvgre_spec->c_k_s_rsvd0_ver != 0x2000 ||
534 nvgre_spec->protocol != 0x6558) {
535 rte_flow_error_set(error,
537 RTE_FLOW_ERROR_TYPE_ITEM,
539 "Invalid NVGRE item");
543 if (nvgre_spec && nvgre_mask) {
545 !!memcmp(nvgre_mask->tni, tni_mask,
551 RTE_FLOW_ERROR_TYPE_ITEM,
556 rte_memcpy(((uint8_t *)&tenant_id_be + 1),
559 rte_be_to_cpu_32(tenant_id_be);
560 filter->tunnel_type =
561 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_NVGRE;
564 case RTE_FLOW_ITEM_TYPE_VF:
565 vf_spec = item->spec;
569 rte_flow_error_set(error,
571 RTE_FLOW_ERROR_TYPE_ITEM,
573 "Configuring on a VF!");
577 if (vf >= bp->pdev->max_vfs) {
578 rte_flow_error_set(error,
580 RTE_FLOW_ERROR_TYPE_ITEM,
586 if (!attr->transfer) {
587 rte_flow_error_set(error,
589 RTE_FLOW_ERROR_TYPE_ITEM,
591 "Matching VF traffic without"
592 " affecting it (transfer attribute)"
597 filter->mirror_vnic_id =
598 dflt_vnic = bnxt_hwrm_func_qcfg_vf_dflt_vnic_id(bp, vf);
600 /* This simply indicates there's no driver
601 * loaded. This is not an error.
606 RTE_FLOW_ERROR_TYPE_ITEM,
608 "Unable to get default VNIC for VF");
612 filter->mirror_vnic_id = dflt_vnic;
613 en |= NTUPLE_FLTR_ALLOC_INPUT_EN_MIRROR_VNIC_ID;
620 filter->enables = en;
625 /* Parse attributes */
627 bnxt_flow_parse_attr(const struct rte_flow_attr *attr,
628 struct rte_flow_error *error)
630 /* Must be input direction */
631 if (!attr->ingress) {
632 rte_flow_error_set(error,
634 RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
636 "Only support ingress.");
642 rte_flow_error_set(error,
644 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS,
646 "No support for egress.");
651 if (attr->priority) {
652 rte_flow_error_set(error,
654 RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY,
656 "No support for priority.");
662 rte_flow_error_set(error,
664 RTE_FLOW_ERROR_TYPE_ATTR_GROUP,
666 "No support for group.");
673 struct bnxt_filter_info *
674 bnxt_get_l2_filter(struct bnxt *bp, struct bnxt_filter_info *nf,
675 struct bnxt_vnic_info *vnic)
677 struct bnxt_filter_info *filter1, *f0;
678 struct bnxt_vnic_info *vnic0;
681 vnic0 = STAILQ_FIRST(&bp->ff_pool[0]);
682 f0 = STAILQ_FIRST(&vnic0->filter);
684 /* This flow has same DST MAC as the port/l2 filter. */
685 if (memcmp(f0->l2_addr, nf->dst_macaddr, ETHER_ADDR_LEN) == 0)
688 /* This flow needs DST MAC which is not same as port/l2 */
689 PMD_DRV_LOG(DEBUG, "Create L2 filter for DST MAC\n");
690 filter1 = bnxt_get_unused_filter(bp);
694 filter1->flags = HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_PATH_RX;
695 filter1->enables = HWRM_CFA_L2_FILTER_ALLOC_INPUT_ENABLES_L2_ADDR |
696 L2_FILTER_ALLOC_INPUT_EN_L2_ADDR_MASK;
697 memcpy(filter1->l2_addr, nf->dst_macaddr, ETHER_ADDR_LEN);
698 memset(filter1->l2_addr_mask, 0xff, ETHER_ADDR_LEN);
699 rc = bnxt_hwrm_set_l2_filter(bp, vnic->fw_vnic_id,
702 bnxt_free_filter(bp, filter1);
709 bnxt_validate_and_parse_flow(struct rte_eth_dev *dev,
710 const struct rte_flow_item pattern[],
711 const struct rte_flow_action actions[],
712 const struct rte_flow_attr *attr,
713 struct rte_flow_error *error,
714 struct bnxt_filter_info *filter)
716 const struct rte_flow_action *act =
717 bnxt_flow_non_void_action(actions);
718 struct bnxt *bp = (struct bnxt *)dev->data->dev_private;
719 const struct rte_flow_action_queue *act_q;
720 const struct rte_flow_action_vf *act_vf;
721 struct bnxt_vnic_info *vnic, *vnic0;
722 struct bnxt_filter_info *filter1;
727 if (bp->eth_dev->data->dev_conf.rxmode.mq_mode & ETH_MQ_RX_RSS) {
728 PMD_DRV_LOG(ERR, "Cannot create flow on RSS queues\n");
729 rte_flow_error_set(error,
731 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
733 "Cannot create flow on RSS queues");
739 bnxt_validate_and_parse_flow_type(bp, attr, pattern, error, filter);
743 rc = bnxt_flow_parse_attr(attr, error);
747 /* Since we support ingress attribute only - right now. */
748 if (filter->filter_type == HWRM_CFA_EM_FILTER)
749 filter->flags = HWRM_CFA_EM_FLOW_ALLOC_INPUT_FLAGS_PATH_RX;
752 case RTE_FLOW_ACTION_TYPE_QUEUE:
753 /* Allow this flow. Redirect to a VNIC. */
754 act_q = (const struct rte_flow_action_queue *)act->conf;
755 if (act_q->index >= bp->rx_nr_rings) {
756 rte_flow_error_set(error,
758 RTE_FLOW_ERROR_TYPE_ACTION,
760 "Invalid queue ID.");
764 PMD_DRV_LOG(DEBUG, "Queue index %d\n", act_q->index);
766 vnic0 = STAILQ_FIRST(&bp->ff_pool[0]);
767 vnic = STAILQ_FIRST(&bp->ff_pool[act_q->index]);
769 rte_flow_error_set(error,
771 RTE_FLOW_ERROR_TYPE_ACTION,
773 "No matching VNIC for queue ID.");
778 filter->dst_id = vnic->fw_vnic_id;
779 filter1 = bnxt_get_l2_filter(bp, filter, vnic);
780 if (filter1 == NULL) {
785 filter->fw_l2_filter_id = filter1->fw_l2_filter_id;
786 PMD_DRV_LOG(DEBUG, "VNIC found\n");
788 case RTE_FLOW_ACTION_TYPE_DROP:
789 vnic0 = STAILQ_FIRST(&bp->ff_pool[0]);
790 filter1 = bnxt_get_l2_filter(bp, filter, vnic0);
791 if (filter1 == NULL) {
796 filter->fw_l2_filter_id = filter1->fw_l2_filter_id;
797 if (filter->filter_type == HWRM_CFA_EM_FILTER)
799 HWRM_CFA_EM_FLOW_ALLOC_INPUT_FLAGS_DROP;
802 HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_FLAGS_DROP;
804 case RTE_FLOW_ACTION_TYPE_COUNT:
805 vnic0 = STAILQ_FIRST(&bp->ff_pool[0]);
806 filter1 = bnxt_get_l2_filter(bp, filter, vnic0);
807 if (filter1 == NULL) {
812 filter->fw_l2_filter_id = filter1->fw_l2_filter_id;
813 filter->flags = HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_FLAGS_METER;
815 case RTE_FLOW_ACTION_TYPE_VF:
816 act_vf = (const struct rte_flow_action_vf *)act->conf;
820 rte_flow_error_set(error,
822 RTE_FLOW_ERROR_TYPE_ACTION,
824 "Configuring on a VF!");
829 if (vf >= bp->pdev->max_vfs) {
830 rte_flow_error_set(error,
832 RTE_FLOW_ERROR_TYPE_ACTION,
839 filter->mirror_vnic_id =
840 dflt_vnic = bnxt_hwrm_func_qcfg_vf_dflt_vnic_id(bp, vf);
842 /* This simply indicates there's no driver loaded.
843 * This is not an error.
845 rte_flow_error_set(error,
847 RTE_FLOW_ERROR_TYPE_ACTION,
849 "Unable to get default VNIC for VF");
854 filter->mirror_vnic_id = dflt_vnic;
855 filter->enables |= NTUPLE_FLTR_ALLOC_INPUT_EN_MIRROR_VNIC_ID;
857 vnic0 = STAILQ_FIRST(&bp->ff_pool[0]);
858 filter1 = bnxt_get_l2_filter(bp, filter, vnic0);
859 if (filter1 == NULL) {
864 filter->fw_l2_filter_id = filter1->fw_l2_filter_id;
868 rte_flow_error_set(error,
870 RTE_FLOW_ERROR_TYPE_ACTION,
878 bnxt_free_filter(bp, filter1);
879 filter1->fw_l2_filter_id = -1;
882 act = bnxt_flow_non_void_action(++act);
883 if (act->type != RTE_FLOW_ACTION_TYPE_END) {
884 rte_flow_error_set(error,
886 RTE_FLOW_ERROR_TYPE_ACTION,
897 bnxt_flow_validate(struct rte_eth_dev *dev,
898 const struct rte_flow_attr *attr,
899 const struct rte_flow_item pattern[],
900 const struct rte_flow_action actions[],
901 struct rte_flow_error *error)
903 struct bnxt *bp = (struct bnxt *)dev->data->dev_private;
904 struct bnxt_filter_info *filter;
907 ret = bnxt_flow_args_validate(attr, pattern, actions, error);
911 filter = bnxt_get_unused_filter(bp);
912 if (filter == NULL) {
913 PMD_DRV_LOG(ERR, "Not enough resources for a new flow.\n");
917 ret = bnxt_validate_and_parse_flow(dev, pattern, actions, attr,
919 /* No need to hold on to this filter if we are just validating flow */
920 filter->fw_l2_filter_id = UINT64_MAX;
921 bnxt_free_filter(bp, filter);
927 bnxt_match_filter(struct bnxt *bp, struct bnxt_filter_info *nf)
929 struct bnxt_filter_info *mf;
930 struct rte_flow *flow;
933 for (i = bp->nr_vnics - 1; i >= 0; i--) {
934 struct bnxt_vnic_info *vnic = &bp->vnic_info[i];
936 STAILQ_FOREACH(flow, &vnic->flow_list, next) {
939 if (mf->filter_type == nf->filter_type &&
940 mf->flags == nf->flags &&
941 mf->src_port == nf->src_port &&
942 mf->src_port_mask == nf->src_port_mask &&
943 mf->dst_port == nf->dst_port &&
944 mf->dst_port_mask == nf->dst_port_mask &&
945 mf->ip_protocol == nf->ip_protocol &&
946 mf->ip_addr_type == nf->ip_addr_type &&
947 mf->ethertype == nf->ethertype &&
948 mf->vni == nf->vni &&
949 mf->tunnel_type == nf->tunnel_type &&
950 mf->l2_ovlan == nf->l2_ovlan &&
951 mf->l2_ovlan_mask == nf->l2_ovlan_mask &&
952 mf->l2_ivlan == nf->l2_ivlan &&
953 mf->l2_ivlan_mask == nf->l2_ivlan_mask &&
954 !memcmp(mf->l2_addr, nf->l2_addr, ETHER_ADDR_LEN) &&
955 !memcmp(mf->l2_addr_mask, nf->l2_addr_mask,
957 !memcmp(mf->src_macaddr, nf->src_macaddr,
959 !memcmp(mf->dst_macaddr, nf->dst_macaddr,
961 !memcmp(mf->src_ipaddr, nf->src_ipaddr,
962 sizeof(nf->src_ipaddr)) &&
963 !memcmp(mf->src_ipaddr_mask, nf->src_ipaddr_mask,
964 sizeof(nf->src_ipaddr_mask)) &&
965 !memcmp(mf->dst_ipaddr, nf->dst_ipaddr,
966 sizeof(nf->dst_ipaddr)) &&
967 !memcmp(mf->dst_ipaddr_mask, nf->dst_ipaddr_mask,
968 sizeof(nf->dst_ipaddr_mask))) {
969 if (mf->dst_id == nf->dst_id)
972 * Same Flow, Different queue
973 * Clear the old ntuple filter
974 * Reuse the matching L2 filter
975 * ID for the new filter
977 nf->fw_l2_filter_id = mf->fw_l2_filter_id;
978 if (nf->filter_type == HWRM_CFA_EM_FILTER)
979 bnxt_hwrm_clear_em_filter(bp, mf);
980 if (nf->filter_type == HWRM_CFA_NTUPLE_FILTER)
981 bnxt_hwrm_clear_ntuple_filter(bp, mf);
982 /* Free the old filter, update flow
985 bnxt_free_filter(bp, mf);
994 static struct rte_flow *
995 bnxt_flow_create(struct rte_eth_dev *dev,
996 const struct rte_flow_attr *attr,
997 const struct rte_flow_item pattern[],
998 const struct rte_flow_action actions[],
999 struct rte_flow_error *error)
1001 struct bnxt *bp = (struct bnxt *)dev->data->dev_private;
1002 struct bnxt_filter_info *filter;
1003 struct bnxt_vnic_info *vnic = NULL;
1004 bool update_flow = false;
1005 struct rte_flow *flow;
1009 flow = rte_zmalloc("bnxt_flow", sizeof(struct rte_flow), 0);
1011 rte_flow_error_set(error, ENOMEM,
1012 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1013 "Failed to allocate memory");
1017 ret = bnxt_flow_args_validate(attr, pattern, actions, error);
1019 PMD_DRV_LOG(ERR, "Not a validate flow.\n");
1023 filter = bnxt_get_unused_filter(bp);
1024 if (filter == NULL) {
1025 PMD_DRV_LOG(ERR, "Not enough resources for a new flow.\n");
1029 ret = bnxt_validate_and_parse_flow(dev, pattern, actions, attr,
1034 ret = bnxt_match_filter(bp, filter);
1035 if (ret == -EEXIST) {
1036 PMD_DRV_LOG(DEBUG, "Flow already exists.\n");
1037 /* Clear the filter that was created as part of
1038 * validate_and_parse_flow() above
1040 bnxt_hwrm_clear_l2_filter(bp, filter);
1042 } else if (ret == -EXDEV) {
1043 PMD_DRV_LOG(DEBUG, "Flow with same pattern exists\n");
1044 PMD_DRV_LOG(DEBUG, "Updating with different destination\n");
1048 if (filter->filter_type == HWRM_CFA_EM_FILTER) {
1050 HWRM_CFA_EM_FLOW_ALLOC_INPUT_ENABLES_L2_FILTER_ID;
1051 ret = bnxt_hwrm_set_em_filter(bp, filter->dst_id, filter);
1054 if (filter->filter_type == HWRM_CFA_NTUPLE_FILTER) {
1056 HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_ENABLES_L2_FILTER_ID;
1057 ret = bnxt_hwrm_set_ntuple_filter(bp, filter->dst_id, filter);
1060 for (i = 0; i < bp->nr_vnics; i++) {
1061 vnic = &bp->vnic_info[i];
1062 if (filter->dst_id == vnic->fw_vnic_id)
1067 flow->filter = filter;
1073 PMD_DRV_LOG(ERR, "Successfully created flow.\n");
1074 STAILQ_INSERT_TAIL(&vnic->flow_list, flow, next);
1078 bnxt_free_filter(bp, filter);
1081 rte_flow_error_set(error, ret,
1082 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1083 "Matching Flow exists.");
1084 else if (ret == -EXDEV)
1085 rte_flow_error_set(error, ret,
1086 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1087 "Flow with pattern exists, updating destination queue");
1089 rte_flow_error_set(error, -ret,
1090 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1091 "Failed to create flow.");
1098 bnxt_flow_destroy(struct rte_eth_dev *dev,
1099 struct rte_flow *flow,
1100 struct rte_flow_error *error)
1102 struct bnxt *bp = (struct bnxt *)dev->data->dev_private;
1103 struct bnxt_filter_info *filter = flow->filter;
1104 struct bnxt_vnic_info *vnic = flow->vnic;
1107 ret = bnxt_match_filter(bp, filter);
1109 PMD_DRV_LOG(ERR, "Could not find matching flow\n");
1110 if (filter->filter_type == HWRM_CFA_EM_FILTER)
1111 ret = bnxt_hwrm_clear_em_filter(bp, filter);
1112 if (filter->filter_type == HWRM_CFA_NTUPLE_FILTER)
1113 ret = bnxt_hwrm_clear_ntuple_filter(bp, filter);
1115 ret = bnxt_hwrm_clear_l2_filter(bp, filter);
1117 STAILQ_REMOVE(&vnic->flow_list, flow, rte_flow, next);
1120 rte_flow_error_set(error, -ret,
1121 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1122 "Failed to destroy flow.");
1129 bnxt_flow_flush(struct rte_eth_dev *dev, struct rte_flow_error *error)
1131 struct bnxt *bp = (struct bnxt *)dev->data->dev_private;
1132 struct bnxt_vnic_info *vnic;
1133 struct rte_flow *flow;
1137 for (i = 0; i < bp->nr_vnics; i++) {
1138 vnic = &bp->vnic_info[i];
1139 STAILQ_FOREACH(flow, &vnic->flow_list, next) {
1140 struct bnxt_filter_info *filter = flow->filter;
1142 if (filter->filter_type == HWRM_CFA_EM_FILTER)
1143 ret = bnxt_hwrm_clear_em_filter(bp, filter);
1144 if (filter->filter_type == HWRM_CFA_NTUPLE_FILTER)
1145 ret = bnxt_hwrm_clear_ntuple_filter(bp, filter);
1151 RTE_FLOW_ERROR_TYPE_HANDLE,
1153 "Failed to flush flow in HW.");
1157 STAILQ_REMOVE(&vnic->flow_list, flow,
1166 const struct rte_flow_ops bnxt_flow_ops = {
1167 .validate = bnxt_flow_validate,
1168 .create = bnxt_flow_create,
1169 .destroy = bnxt_flow_destroy,
1170 .flush = bnxt_flow_flush,