1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2018 Chelsio Communications.
6 #include "cxgbe_flow.h"
8 #define __CXGBE_FILL_FS(__v, __m, fs, elem, e) \
10 if (!((fs)->val.elem || (fs)->mask.elem)) { \
11 (fs)->val.elem = (__v); \
12 (fs)->mask.elem = (__m); \
14 return rte_flow_error_set(e, EINVAL, RTE_FLOW_ERROR_TYPE_ITEM, \
15 NULL, "a filter can be specified" \
20 #define __CXGBE_FILL_FS_MEMCPY(__v, __m, fs, elem) \
22 memcpy(&(fs)->val.elem, &(__v), sizeof(__v)); \
23 memcpy(&(fs)->mask.elem, &(__m), sizeof(__m)); \
26 #define CXGBE_FILL_FS(v, m, elem) \
27 __CXGBE_FILL_FS(v, m, fs, elem, e)
29 #define CXGBE_FILL_FS_MEMCPY(v, m, elem) \
30 __CXGBE_FILL_FS_MEMCPY(v, m, fs, elem)
33 cxgbe_validate_item(const struct rte_flow_item *i, struct rte_flow_error *e)
35 /* rte_flow specification does not allow it. */
36 if (!i->spec && (i->mask || i->last))
37 return rte_flow_error_set(e, EINVAL, RTE_FLOW_ERROR_TYPE_ITEM,
38 i, "last or mask given without spec");
40 * We don't support it.
41 * Although, we can support values in last as 0's or last == spec.
42 * But this will not provide user with any additional functionality
43 * and will only increase the complexity for us.
46 return rte_flow_error_set(e, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM,
47 i, "last is not supported by chelsio pmd");
52 cxgbe_fill_filter_region(struct adapter *adap,
53 struct ch_filter_specification *fs)
55 struct tp_params *tp = &adap->params.tp;
56 u64 hash_filter_mask = tp->hash_filter_mask;
61 if (!is_hashfilter(adap))
65 uint8_t biton[16] = {0xff, 0xff, 0xff, 0xff,
66 0xff, 0xff, 0xff, 0xff,
67 0xff, 0xff, 0xff, 0xff,
68 0xff, 0xff, 0xff, 0xff};
69 uint8_t bitoff[16] = {0};
71 if (!memcmp(fs->val.lip, bitoff, sizeof(bitoff)) ||
72 !memcmp(fs->val.fip, bitoff, sizeof(bitoff)) ||
73 memcmp(fs->mask.lip, biton, sizeof(biton)) ||
74 memcmp(fs->mask.fip, biton, sizeof(biton)))
77 uint32_t biton = 0xffffffff;
78 uint32_t bitoff = 0x0U;
80 if (!memcmp(fs->val.lip, &bitoff, sizeof(bitoff)) ||
81 !memcmp(fs->val.fip, &bitoff, sizeof(bitoff)) ||
82 memcmp(fs->mask.lip, &biton, sizeof(biton)) ||
83 memcmp(fs->mask.fip, &biton, sizeof(biton)))
87 if (!fs->val.lport || fs->mask.lport != 0xffff)
89 if (!fs->val.fport || fs->mask.fport != 0xffff)
92 if (tp->protocol_shift >= 0)
93 ntuple_mask |= (u64)fs->mask.proto << tp->protocol_shift;
94 if (tp->ethertype_shift >= 0)
95 ntuple_mask |= (u64)fs->mask.ethtype << tp->ethertype_shift;
96 if (tp->port_shift >= 0)
97 ntuple_mask |= (u64)fs->mask.iport << tp->port_shift;
98 if (tp->macmatch_shift >= 0)
99 ntuple_mask |= (u64)fs->mask.macidx << tp->macmatch_shift;
101 if (ntuple_mask != hash_filter_mask)
104 fs->cap = 1; /* use hash region */
108 ch_rte_parsetype_eth(const void *dmask, const struct rte_flow_item *item,
109 struct ch_filter_specification *fs,
110 struct rte_flow_error *e)
112 const struct rte_flow_item_eth *spec = item->spec;
113 const struct rte_flow_item_eth *umask = item->mask;
114 const struct rte_flow_item_eth *mask;
116 /* If user has not given any mask, then use chelsio supported mask. */
117 mask = umask ? umask : (const struct rte_flow_item_eth *)dmask;
119 /* we don't support SRC_MAC filtering*/
120 if (!is_zero_ether_addr(&mask->src))
121 return rte_flow_error_set(e, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM,
123 "src mac filtering not supported");
125 if (!is_zero_ether_addr(&mask->dst)) {
126 const u8 *addr = (const u8 *)&spec->dst.addr_bytes[0];
127 const u8 *m = (const u8 *)&mask->dst.addr_bytes[0];
128 struct rte_flow *flow = (struct rte_flow *)fs->private;
129 struct port_info *pi = (struct port_info *)
130 (flow->dev->data->dev_private);
133 idx = cxgbe_mpstcam_alloc(pi, addr, m);
135 return rte_flow_error_set(e, idx,
136 RTE_FLOW_ERROR_TYPE_ITEM,
137 NULL, "unable to allocate mac"
139 CXGBE_FILL_FS(idx, 0x1ff, macidx);
142 CXGBE_FILL_FS(be16_to_cpu(spec->type),
143 be16_to_cpu(mask->type), ethtype);
148 ch_rte_parsetype_port(const void *dmask, const struct rte_flow_item *item,
149 struct ch_filter_specification *fs,
150 struct rte_flow_error *e)
152 const struct rte_flow_item_phy_port *val = item->spec;
153 const struct rte_flow_item_phy_port *umask = item->mask;
154 const struct rte_flow_item_phy_port *mask;
156 mask = umask ? umask : (const struct rte_flow_item_phy_port *)dmask;
158 if (val->index > 0x7)
159 return rte_flow_error_set(e, EINVAL, RTE_FLOW_ERROR_TYPE_ITEM,
161 "port index upto 0x7 is supported");
163 CXGBE_FILL_FS(val->index, mask->index, iport);
169 ch_rte_parsetype_udp(const void *dmask, const struct rte_flow_item *item,
170 struct ch_filter_specification *fs,
171 struct rte_flow_error *e)
173 const struct rte_flow_item_udp *val = item->spec;
174 const struct rte_flow_item_udp *umask = item->mask;
175 const struct rte_flow_item_udp *mask;
177 mask = umask ? umask : (const struct rte_flow_item_udp *)dmask;
179 if (mask->hdr.dgram_len || mask->hdr.dgram_cksum)
180 return rte_flow_error_set(e, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM,
182 "udp: only src/dst port supported");
184 CXGBE_FILL_FS(IPPROTO_UDP, 0xff, proto);
187 CXGBE_FILL_FS(be16_to_cpu(val->hdr.src_port),
188 be16_to_cpu(mask->hdr.src_port), fport);
189 CXGBE_FILL_FS(be16_to_cpu(val->hdr.dst_port),
190 be16_to_cpu(mask->hdr.dst_port), lport);
195 ch_rte_parsetype_tcp(const void *dmask, const struct rte_flow_item *item,
196 struct ch_filter_specification *fs,
197 struct rte_flow_error *e)
199 const struct rte_flow_item_tcp *val = item->spec;
200 const struct rte_flow_item_tcp *umask = item->mask;
201 const struct rte_flow_item_tcp *mask;
203 mask = umask ? umask : (const struct rte_flow_item_tcp *)dmask;
205 if (mask->hdr.sent_seq || mask->hdr.recv_ack || mask->hdr.data_off ||
206 mask->hdr.tcp_flags || mask->hdr.rx_win || mask->hdr.cksum ||
208 return rte_flow_error_set(e, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM,
210 "tcp: only src/dst port supported");
212 CXGBE_FILL_FS(IPPROTO_TCP, 0xff, proto);
215 CXGBE_FILL_FS(be16_to_cpu(val->hdr.src_port),
216 be16_to_cpu(mask->hdr.src_port), fport);
217 CXGBE_FILL_FS(be16_to_cpu(val->hdr.dst_port),
218 be16_to_cpu(mask->hdr.dst_port), lport);
223 ch_rte_parsetype_ipv4(const void *dmask, const struct rte_flow_item *item,
224 struct ch_filter_specification *fs,
225 struct rte_flow_error *e)
227 const struct rte_flow_item_ipv4 *val = item->spec;
228 const struct rte_flow_item_ipv4 *umask = item->mask;
229 const struct rte_flow_item_ipv4 *mask;
231 mask = umask ? umask : (const struct rte_flow_item_ipv4 *)dmask;
233 if (mask->hdr.time_to_live || mask->hdr.type_of_service)
234 return rte_flow_error_set(e, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM,
235 item, "ttl/tos are not supported");
237 fs->type = FILTER_TYPE_IPV4;
238 CXGBE_FILL_FS(ETHER_TYPE_IPv4, 0xffff, ethtype);
240 return 0; /* ipv4 wild card */
242 CXGBE_FILL_FS(val->hdr.next_proto_id, mask->hdr.next_proto_id, proto);
243 CXGBE_FILL_FS_MEMCPY(val->hdr.dst_addr, mask->hdr.dst_addr, lip);
244 CXGBE_FILL_FS_MEMCPY(val->hdr.src_addr, mask->hdr.src_addr, fip);
250 ch_rte_parsetype_ipv6(const void *dmask, const struct rte_flow_item *item,
251 struct ch_filter_specification *fs,
252 struct rte_flow_error *e)
254 const struct rte_flow_item_ipv6 *val = item->spec;
255 const struct rte_flow_item_ipv6 *umask = item->mask;
256 const struct rte_flow_item_ipv6 *mask;
258 mask = umask ? umask : (const struct rte_flow_item_ipv6 *)dmask;
260 if (mask->hdr.vtc_flow ||
261 mask->hdr.payload_len || mask->hdr.hop_limits)
262 return rte_flow_error_set(e, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM,
264 "tc/flow/hop are not supported");
266 fs->type = FILTER_TYPE_IPV6;
267 CXGBE_FILL_FS(ETHER_TYPE_IPv6, 0xffff, ethtype);
269 return 0; /* ipv6 wild card */
271 CXGBE_FILL_FS(val->hdr.proto, mask->hdr.proto, proto);
272 CXGBE_FILL_FS_MEMCPY(val->hdr.dst_addr, mask->hdr.dst_addr, lip);
273 CXGBE_FILL_FS_MEMCPY(val->hdr.src_addr, mask->hdr.src_addr, fip);
279 cxgbe_rtef_parse_attr(struct rte_flow *flow, const struct rte_flow_attr *attr,
280 struct rte_flow_error *e)
283 return rte_flow_error_set(e, ENOTSUP, RTE_FLOW_ERROR_TYPE_ATTR,
284 attr, "attribute:<egress> is"
287 return rte_flow_error_set(e, ENOTSUP, RTE_FLOW_ERROR_TYPE_ATTR,
288 attr, "group parameter is"
291 flow->fidx = attr->priority ? attr->priority - 1 : FILTER_ID_MAX;
296 static inline int check_rxq(struct rte_eth_dev *dev, uint16_t rxq)
298 struct port_info *pi = ethdev2pinfo(dev);
300 if (rxq > pi->n_rx_qsets)
305 static int cxgbe_validate_fidxondel(struct filter_entry *f, unsigned int fidx)
307 struct adapter *adap = ethdev2adap(f->dev);
308 struct ch_filter_specification fs = f->fs;
310 if (fidx >= adap->tids.nftids) {
311 dev_err(adap, "invalid flow index %d.\n", fidx);
314 if (!is_filter_set(&adap->tids, fidx, fs.type)) {
315 dev_err(adap, "Already free fidx:%d f:%p\n", fidx, f);
323 cxgbe_validate_fidxonadd(struct ch_filter_specification *fs,
324 struct adapter *adap, unsigned int fidx)
326 if (is_filter_set(&adap->tids, fidx, fs->type)) {
327 dev_err(adap, "filter index: %d is busy.\n", fidx);
330 if (fidx >= adap->tids.nftids) {
331 dev_err(adap, "filter index (%u) >= max(%u)\n",
332 fidx, adap->tids.nftids);
340 cxgbe_verify_fidx(struct rte_flow *flow, unsigned int fidx, uint8_t del)
343 return 0; /* Hash filters */
344 return del ? cxgbe_validate_fidxondel(flow->f, fidx) :
345 cxgbe_validate_fidxonadd(&flow->fs,
346 ethdev2adap(flow->dev), fidx);
349 static int cxgbe_get_fidx(struct rte_flow *flow, unsigned int *fidx)
351 struct ch_filter_specification *fs = &flow->fs;
352 struct adapter *adap = ethdev2adap(flow->dev);
354 /* For tcam get the next available slot, if default value specified */
355 if (flow->fidx == FILTER_ID_MAX) {
358 idx = cxgbe_alloc_ftid(adap, fs->type);
360 dev_err(adap, "unable to get a filter index in tcam\n");
363 *fidx = (unsigned int)idx;
372 ch_rte_parse_atype_switch(const struct rte_flow_action *a,
373 struct ch_filter_specification *fs,
374 struct rte_flow_error *e)
376 const struct rte_flow_action_of_set_vlan_vid *vlanid;
377 const struct rte_flow_action_of_push_vlan *pushvlan;
378 const struct rte_flow_action_phy_port *port;
381 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID:
382 vlanid = (const struct rte_flow_action_of_set_vlan_vid *)
384 fs->newvlan = VLAN_REWRITE;
385 fs->vlan = vlanid->vlan_vid;
387 case RTE_FLOW_ACTION_TYPE_OF_PUSH_VLAN:
388 pushvlan = (const struct rte_flow_action_of_push_vlan *)
390 if (pushvlan->ethertype != ETHER_TYPE_VLAN)
391 return rte_flow_error_set(e, EINVAL,
392 RTE_FLOW_ERROR_TYPE_ACTION, a,
393 "only ethertype 0x8100 "
394 "supported for push vlan.");
395 fs->newvlan = VLAN_INSERT;
397 case RTE_FLOW_ACTION_TYPE_OF_POP_VLAN:
398 fs->newvlan = VLAN_REMOVE;
400 case RTE_FLOW_ACTION_TYPE_PHY_PORT:
401 port = (const struct rte_flow_action_phy_port *)a->conf;
402 fs->eport = port->index;
405 /* We are not supposed to come here */
406 return rte_flow_error_set(e, EINVAL,
407 RTE_FLOW_ERROR_TYPE_ACTION, a,
408 "Action not supported");
415 cxgbe_rtef_parse_actions(struct rte_flow *flow,
416 const struct rte_flow_action action[],
417 struct rte_flow_error *e)
419 struct ch_filter_specification *fs = &flow->fs;
420 const struct rte_flow_action_queue *q;
421 const struct rte_flow_action *a;
425 for (a = action; a->type != RTE_FLOW_ACTION_TYPE_END; a++) {
427 case RTE_FLOW_ACTION_TYPE_VOID:
429 case RTE_FLOW_ACTION_TYPE_DROP:
431 return rte_flow_error_set(e, EINVAL,
432 RTE_FLOW_ERROR_TYPE_ACTION, a,
433 "specify only 1 pass/drop");
434 fs->action = FILTER_DROP;
436 case RTE_FLOW_ACTION_TYPE_QUEUE:
437 q = (const struct rte_flow_action_queue *)a->conf;
439 return rte_flow_error_set(e, EINVAL,
440 RTE_FLOW_ERROR_TYPE_ACTION, q,
441 "specify rx queue index");
442 if (check_rxq(flow->dev, q->index))
443 return rte_flow_error_set(e, EINVAL,
444 RTE_FLOW_ERROR_TYPE_ACTION, q,
447 return rte_flow_error_set(e, EINVAL,
448 RTE_FLOW_ERROR_TYPE_ACTION, a,
449 "specify only 1 pass/drop");
450 fs->action = FILTER_PASS;
454 case RTE_FLOW_ACTION_TYPE_COUNT:
457 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID:
458 case RTE_FLOW_ACTION_TYPE_OF_PUSH_VLAN:
459 case RTE_FLOW_ACTION_TYPE_OF_POP_VLAN:
460 case RTE_FLOW_ACTION_TYPE_PHY_PORT:
461 /* We allow multiple switch actions, but switch is
462 * not compatible with either queue or drop
464 if (abit++ && fs->action != FILTER_SWITCH)
465 return rte_flow_error_set(e, EINVAL,
466 RTE_FLOW_ERROR_TYPE_ACTION, a,
467 "overlapping action specified");
468 ret = ch_rte_parse_atype_switch(a, fs, e);
471 fs->action = FILTER_SWITCH;
474 /* Not supported action : return error */
475 return rte_flow_error_set(e, ENOTSUP,
476 RTE_FLOW_ERROR_TYPE_ACTION,
477 a, "Action not supported");
484 struct chrte_fparse parseitem[] = {
485 [RTE_FLOW_ITEM_TYPE_ETH] = {
486 .fptr = ch_rte_parsetype_eth,
487 .dmask = &(const struct rte_flow_item_eth){
488 .dst.addr_bytes = "\xff\xff\xff\xff\xff\xff",
489 .src.addr_bytes = "\x00\x00\x00\x00\x00\x00",
494 [RTE_FLOW_ITEM_TYPE_PHY_PORT] = {
495 .fptr = ch_rte_parsetype_port,
496 .dmask = &(const struct rte_flow_item_phy_port){
501 [RTE_FLOW_ITEM_TYPE_IPV4] = {
502 .fptr = ch_rte_parsetype_ipv4,
503 .dmask = &rte_flow_item_ipv4_mask,
506 [RTE_FLOW_ITEM_TYPE_IPV6] = {
507 .fptr = ch_rte_parsetype_ipv6,
508 .dmask = &rte_flow_item_ipv6_mask,
511 [RTE_FLOW_ITEM_TYPE_UDP] = {
512 .fptr = ch_rte_parsetype_udp,
513 .dmask = &rte_flow_item_udp_mask,
516 [RTE_FLOW_ITEM_TYPE_TCP] = {
517 .fptr = ch_rte_parsetype_tcp,
518 .dmask = &rte_flow_item_tcp_mask,
523 cxgbe_rtef_parse_items(struct rte_flow *flow,
524 const struct rte_flow_item items[],
525 struct rte_flow_error *e)
527 struct adapter *adap = ethdev2adap(flow->dev);
528 const struct rte_flow_item *i;
529 char repeat[ARRAY_SIZE(parseitem)] = {0};
531 for (i = items; i->type != RTE_FLOW_ITEM_TYPE_END; i++) {
532 struct chrte_fparse *idx;
535 if (i->type >= ARRAY_SIZE(parseitem))
536 return rte_flow_error_set(e, ENOTSUP,
537 RTE_FLOW_ERROR_TYPE_ITEM,
538 i, "Item not supported");
541 case RTE_FLOW_ITEM_TYPE_VOID:
544 /* check if item is repeated */
546 return rte_flow_error_set(e, ENOTSUP,
547 RTE_FLOW_ERROR_TYPE_ITEM, i,
548 "parse items cannot be repeated (except void)");
551 /* validate the item */
552 ret = cxgbe_validate_item(i, e);
556 idx = &flow->item_parser[i->type];
557 if (!idx || !idx->fptr) {
558 return rte_flow_error_set(e, ENOTSUP,
559 RTE_FLOW_ERROR_TYPE_ITEM, i,
560 "Item not supported");
562 ret = idx->fptr(idx->dmask, i, &flow->fs, e);
569 cxgbe_fill_filter_region(adap, &flow->fs);
575 cxgbe_flow_parse(struct rte_flow *flow,
576 const struct rte_flow_attr *attr,
577 const struct rte_flow_item item[],
578 const struct rte_flow_action action[],
579 struct rte_flow_error *e)
582 /* parse user request into ch_filter_specification */
583 ret = cxgbe_rtef_parse_attr(flow, attr, e);
586 ret = cxgbe_rtef_parse_items(flow, item, e);
589 return cxgbe_rtef_parse_actions(flow, action, e);
592 static int __cxgbe_flow_create(struct rte_eth_dev *dev, struct rte_flow *flow)
594 struct ch_filter_specification *fs = &flow->fs;
595 struct adapter *adap = ethdev2adap(dev);
596 struct tid_info *t = &adap->tids;
597 struct filter_ctx ctx;
601 if (cxgbe_get_fidx(flow, &fidx))
603 if (cxgbe_verify_fidx(flow, fidx, 0))
606 t4_init_completion(&ctx.completion);
607 /* go create the filter */
608 err = cxgbe_set_filter(dev, fidx, fs, &ctx);
610 dev_err(adap, "Error %d while creating filter.\n", err);
614 /* Poll the FW for reply */
615 err = cxgbe_poll_for_completion(&adap->sge.fw_evtq,
620 dev_err(adap, "Filter set operation timed out (%d)\n", err);
624 dev_err(adap, "Hardware error %d while creating the filter.\n",
629 if (fs->cap) { /* to destroy the filter */
630 flow->fidx = ctx.tid;
631 flow->f = lookup_tid(t, ctx.tid);
634 flow->f = &adap->tids.ftid_tab[fidx];
640 static struct rte_flow *
641 cxgbe_flow_create(struct rte_eth_dev *dev,
642 const struct rte_flow_attr *attr,
643 const struct rte_flow_item item[],
644 const struct rte_flow_action action[],
645 struct rte_flow_error *e)
647 struct rte_flow *flow;
650 flow = t4_os_alloc(sizeof(struct rte_flow));
652 rte_flow_error_set(e, ENOMEM, RTE_FLOW_ERROR_TYPE_HANDLE,
653 NULL, "Unable to allocate memory for"
658 flow->item_parser = parseitem;
660 flow->fs.private = (void *)flow;
662 if (cxgbe_flow_parse(flow, attr, item, action, e)) {
667 /* go, interact with cxgbe_filter */
668 ret = __cxgbe_flow_create(dev, flow);
670 rte_flow_error_set(e, ret, RTE_FLOW_ERROR_TYPE_HANDLE,
671 NULL, "Unable to create flow rule");
676 flow->f->private = flow; /* Will be used during flush */
681 static int __cxgbe_flow_destroy(struct rte_eth_dev *dev, struct rte_flow *flow)
683 struct adapter *adap = ethdev2adap(dev);
684 struct filter_entry *f = flow->f;
685 struct ch_filter_specification *fs;
686 struct filter_ctx ctx;
690 if (cxgbe_verify_fidx(flow, flow->fidx, 1))
693 t4_init_completion(&ctx.completion);
694 err = cxgbe_del_filter(dev, flow->fidx, fs, &ctx);
696 dev_err(adap, "Error %d while deleting filter.\n", err);
700 /* Poll the FW for reply */
701 err = cxgbe_poll_for_completion(&adap->sge.fw_evtq,
706 dev_err(adap, "Filter delete operation timed out (%d)\n", err);
710 dev_err(adap, "Hardware error %d while deleting the filter.\n",
716 if (fs->mask.macidx) {
717 struct port_info *pi = (struct port_info *)
718 (dev->data->dev_private);
721 ret = cxgbe_mpstcam_remove(pi, fs->val.macidx);
730 cxgbe_flow_destroy(struct rte_eth_dev *dev, struct rte_flow *flow,
731 struct rte_flow_error *e)
735 ret = __cxgbe_flow_destroy(dev, flow);
737 return rte_flow_error_set(e, ret, RTE_FLOW_ERROR_TYPE_HANDLE,
738 flow, "error destroying filter.");
743 static int __cxgbe_flow_query(struct rte_flow *flow, u64 *count,
746 struct adapter *adap = ethdev2adap(flow->dev);
747 struct ch_filter_specification fs = flow->f->fs;
748 unsigned int fidx = flow->fidx;
751 ret = cxgbe_get_filter_count(adap, fidx, count, fs.cap, 0);
754 return cxgbe_get_filter_count(adap, fidx, byte_count, fs.cap, 1);
758 cxgbe_flow_query(struct rte_eth_dev *dev, struct rte_flow *flow,
759 const struct rte_flow_action *action, void *data,
760 struct rte_flow_error *e)
762 struct ch_filter_specification fs;
763 struct rte_flow_query_count *c;
764 struct filter_entry *f;
772 if (action->type != RTE_FLOW_ACTION_TYPE_COUNT)
773 return rte_flow_error_set(e, ENOTSUP,
774 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
775 "only count supported for query");
778 * This is a valid operation, Since we are allowed to do chelsio
779 * specific operations in rte side of our code but not vise-versa
781 * So, fs can be queried/modified here BUT rte_flow_query_count
782 * cannot be worked on by the lower layer since we want to maintain
783 * it as rte_flow agnostic.
786 return rte_flow_error_set(e, EINVAL, RTE_FLOW_ERROR_TYPE_ACTION,
787 &fs, "filter hit counters were not"
788 " enabled during filter creation");
790 c = (struct rte_flow_query_count *)data;
791 ret = __cxgbe_flow_query(flow, &c->hits, &c->bytes);
793 return rte_flow_error_set(e, -ret, RTE_FLOW_ERROR_TYPE_ACTION,
794 f, "cxgbe pmd failed to"
797 /* Query was successful */
801 return 0; /* success / partial_success */
805 cxgbe_flow_validate(struct rte_eth_dev *dev,
806 const struct rte_flow_attr *attr,
807 const struct rte_flow_item item[],
808 const struct rte_flow_action action[],
809 struct rte_flow_error *e)
811 struct adapter *adap = ethdev2adap(dev);
812 struct rte_flow *flow;
816 flow = t4_os_alloc(sizeof(struct rte_flow));
818 return rte_flow_error_set(e, ENOMEM, RTE_FLOW_ERROR_TYPE_HANDLE,
820 "Unable to allocate memory for filter_entry");
822 flow->item_parser = parseitem;
825 ret = cxgbe_flow_parse(flow, attr, item, action, e);
831 if (validate_filter(adap, &flow->fs)) {
833 return rte_flow_error_set(e, EINVAL, RTE_FLOW_ERROR_TYPE_HANDLE,
835 "validation failed. Check f/w config file.");
838 if (cxgbe_get_fidx(flow, &fidx)) {
840 return rte_flow_error_set(e, ENOMEM, RTE_FLOW_ERROR_TYPE_HANDLE,
841 NULL, "no memory in tcam.");
844 if (cxgbe_verify_fidx(flow, fidx, 0)) {
846 return rte_flow_error_set(e, EINVAL, RTE_FLOW_ERROR_TYPE_HANDLE,
847 NULL, "validation failed");
855 * @ret : > 0 filter destroyed succsesfully
856 * < 0 error destroying filter
857 * == 1 filter not active / not found
860 cxgbe_check_n_destroy(struct filter_entry *f, struct rte_eth_dev *dev,
861 struct rte_flow_error *e)
863 if (f && (f->valid || f->pending) &&
864 f->dev == dev && /* Only if user has asked for this port */
865 f->private) /* We (rte_flow) created this filter */
866 return cxgbe_flow_destroy(dev, (struct rte_flow *)f->private,
871 static int cxgbe_flow_flush(struct rte_eth_dev *dev, struct rte_flow_error *e)
873 struct adapter *adap = ethdev2adap(dev);
877 if (adap->tids.ftid_tab) {
878 struct filter_entry *f = &adap->tids.ftid_tab[0];
880 for (i = 0; i < adap->tids.nftids; i++, f++) {
881 ret = cxgbe_check_n_destroy(f, dev, e);
887 if (is_hashfilter(adap) && adap->tids.tid_tab) {
888 struct filter_entry *f;
890 for (i = adap->tids.hash_base; i <= adap->tids.ntids; i++) {
891 f = (struct filter_entry *)adap->tids.tid_tab[i];
893 ret = cxgbe_check_n_destroy(f, dev, e);
900 return ret >= 0 ? 0 : ret;
903 static const struct rte_flow_ops cxgbe_flow_ops = {
904 .validate = cxgbe_flow_validate,
905 .create = cxgbe_flow_create,
906 .destroy = cxgbe_flow_destroy,
907 .flush = cxgbe_flow_flush,
908 .query = cxgbe_flow_query,
913 cxgbe_dev_filter_ctrl(struct rte_eth_dev *dev,
914 enum rte_filter_type filter_type,
915 enum rte_filter_op filter_op,
921 switch (filter_type) {
922 case RTE_ETH_FILTER_GENERIC:
923 if (filter_op != RTE_ETH_FILTER_GET)
925 *(const void **)arg = &cxgbe_flow_ops;