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)->mask.elem && ((fs)->val.elem != (__v))) \
11 return rte_flow_error_set(e, EINVAL, RTE_FLOW_ERROR_TYPE_ITEM, \
12 NULL, "Redefined match item with" \
13 " different values found"); \
14 (fs)->val.elem = (__v); \
15 (fs)->mask.elem = (__m); \
18 #define __CXGBE_FILL_FS_MEMCPY(__v, __m, fs, elem) \
20 memcpy(&(fs)->val.elem, &(__v), sizeof(__v)); \
21 memcpy(&(fs)->mask.elem, &(__m), sizeof(__m)); \
24 #define CXGBE_FILL_FS(v, m, elem) \
25 __CXGBE_FILL_FS(v, m, fs, elem, e)
27 #define CXGBE_FILL_FS_MEMCPY(v, m, elem) \
28 __CXGBE_FILL_FS_MEMCPY(v, m, fs, elem)
31 cxgbe_validate_item(const struct rte_flow_item *i, struct rte_flow_error *e)
33 /* rte_flow specification does not allow it. */
34 if (!i->spec && (i->mask || i->last))
35 return rte_flow_error_set(e, EINVAL, RTE_FLOW_ERROR_TYPE_ITEM,
36 i, "last or mask given without spec");
38 * We don't support it.
39 * Although, we can support values in last as 0's or last == spec.
40 * But this will not provide user with any additional functionality
41 * and will only increase the complexity for us.
44 return rte_flow_error_set(e, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM,
45 i, "last is not supported by chelsio pmd");
50 cxgbe_fill_filter_region(struct adapter *adap,
51 struct ch_filter_specification *fs)
53 struct tp_params *tp = &adap->params.tp;
54 u64 hash_filter_mask = tp->hash_filter_mask;
59 if (!is_hashfilter(adap))
63 uint8_t biton[16] = {0xff, 0xff, 0xff, 0xff,
64 0xff, 0xff, 0xff, 0xff,
65 0xff, 0xff, 0xff, 0xff,
66 0xff, 0xff, 0xff, 0xff};
67 uint8_t bitoff[16] = {0};
69 if (!memcmp(fs->val.lip, bitoff, sizeof(bitoff)) ||
70 !memcmp(fs->val.fip, bitoff, sizeof(bitoff)) ||
71 memcmp(fs->mask.lip, biton, sizeof(biton)) ||
72 memcmp(fs->mask.fip, biton, sizeof(biton)))
75 uint32_t biton = 0xffffffff;
76 uint32_t bitoff = 0x0U;
78 if (!memcmp(fs->val.lip, &bitoff, sizeof(bitoff)) ||
79 !memcmp(fs->val.fip, &bitoff, sizeof(bitoff)) ||
80 memcmp(fs->mask.lip, &biton, sizeof(biton)) ||
81 memcmp(fs->mask.fip, &biton, sizeof(biton)))
85 if (!fs->val.lport || fs->mask.lport != 0xffff)
87 if (!fs->val.fport || fs->mask.fport != 0xffff)
90 if (tp->protocol_shift >= 0)
91 ntuple_mask |= (u64)fs->mask.proto << tp->protocol_shift;
92 if (tp->ethertype_shift >= 0)
93 ntuple_mask |= (u64)fs->mask.ethtype << tp->ethertype_shift;
94 if (tp->port_shift >= 0)
95 ntuple_mask |= (u64)fs->mask.iport << tp->port_shift;
96 if (tp->macmatch_shift >= 0)
97 ntuple_mask |= (u64)fs->mask.macidx << tp->macmatch_shift;
99 if (ntuple_mask != hash_filter_mask)
102 fs->cap = 1; /* use hash region */
106 ch_rte_parsetype_eth(const void *dmask, const struct rte_flow_item *item,
107 struct ch_filter_specification *fs,
108 struct rte_flow_error *e)
110 const struct rte_flow_item_eth *spec = item->spec;
111 const struct rte_flow_item_eth *umask = item->mask;
112 const struct rte_flow_item_eth *mask;
114 /* If user has not given any mask, then use chelsio supported mask. */
115 mask = umask ? umask : (const struct rte_flow_item_eth *)dmask;
117 /* we don't support SRC_MAC filtering*/
118 if (!is_zero_ether_addr(&mask->src))
119 return rte_flow_error_set(e, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM,
121 "src mac filtering not supported");
123 if (!is_zero_ether_addr(&mask->dst)) {
124 const u8 *addr = (const u8 *)&spec->dst.addr_bytes[0];
125 const u8 *m = (const u8 *)&mask->dst.addr_bytes[0];
126 struct rte_flow *flow = (struct rte_flow *)fs->private;
127 struct port_info *pi = (struct port_info *)
128 (flow->dev->data->dev_private);
131 idx = cxgbe_mpstcam_alloc(pi, addr, m);
133 return rte_flow_error_set(e, idx,
134 RTE_FLOW_ERROR_TYPE_ITEM,
135 NULL, "unable to allocate mac"
137 CXGBE_FILL_FS(idx, 0x1ff, macidx);
140 CXGBE_FILL_FS(be16_to_cpu(spec->type),
141 be16_to_cpu(mask->type), ethtype);
146 ch_rte_parsetype_port(const void *dmask, const struct rte_flow_item *item,
147 struct ch_filter_specification *fs,
148 struct rte_flow_error *e)
150 const struct rte_flow_item_phy_port *val = item->spec;
151 const struct rte_flow_item_phy_port *umask = item->mask;
152 const struct rte_flow_item_phy_port *mask;
154 mask = umask ? umask : (const struct rte_flow_item_phy_port *)dmask;
156 if (val->index > 0x7)
157 return rte_flow_error_set(e, EINVAL, RTE_FLOW_ERROR_TYPE_ITEM,
159 "port index upto 0x7 is supported");
161 CXGBE_FILL_FS(val->index, mask->index, iport);
167 ch_rte_parsetype_udp(const void *dmask, const struct rte_flow_item *item,
168 struct ch_filter_specification *fs,
169 struct rte_flow_error *e)
171 const struct rte_flow_item_udp *val = item->spec;
172 const struct rte_flow_item_udp *umask = item->mask;
173 const struct rte_flow_item_udp *mask;
175 mask = umask ? umask : (const struct rte_flow_item_udp *)dmask;
177 if (mask->hdr.dgram_len || mask->hdr.dgram_cksum)
178 return rte_flow_error_set(e, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM,
180 "udp: only src/dst port supported");
182 CXGBE_FILL_FS(IPPROTO_UDP, 0xff, proto);
185 CXGBE_FILL_FS(be16_to_cpu(val->hdr.src_port),
186 be16_to_cpu(mask->hdr.src_port), fport);
187 CXGBE_FILL_FS(be16_to_cpu(val->hdr.dst_port),
188 be16_to_cpu(mask->hdr.dst_port), lport);
193 ch_rte_parsetype_tcp(const void *dmask, const struct rte_flow_item *item,
194 struct ch_filter_specification *fs,
195 struct rte_flow_error *e)
197 const struct rte_flow_item_tcp *val = item->spec;
198 const struct rte_flow_item_tcp *umask = item->mask;
199 const struct rte_flow_item_tcp *mask;
201 mask = umask ? umask : (const struct rte_flow_item_tcp *)dmask;
203 if (mask->hdr.sent_seq || mask->hdr.recv_ack || mask->hdr.data_off ||
204 mask->hdr.tcp_flags || mask->hdr.rx_win || mask->hdr.cksum ||
206 return rte_flow_error_set(e, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM,
208 "tcp: only src/dst port supported");
210 CXGBE_FILL_FS(IPPROTO_TCP, 0xff, proto);
213 CXGBE_FILL_FS(be16_to_cpu(val->hdr.src_port),
214 be16_to_cpu(mask->hdr.src_port), fport);
215 CXGBE_FILL_FS(be16_to_cpu(val->hdr.dst_port),
216 be16_to_cpu(mask->hdr.dst_port), lport);
221 ch_rte_parsetype_ipv4(const void *dmask, const struct rte_flow_item *item,
222 struct ch_filter_specification *fs,
223 struct rte_flow_error *e)
225 const struct rte_flow_item_ipv4 *val = item->spec;
226 const struct rte_flow_item_ipv4 *umask = item->mask;
227 const struct rte_flow_item_ipv4 *mask;
229 mask = umask ? umask : (const struct rte_flow_item_ipv4 *)dmask;
231 if (mask->hdr.time_to_live || mask->hdr.type_of_service)
232 return rte_flow_error_set(e, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM,
233 item, "ttl/tos are not supported");
235 fs->type = FILTER_TYPE_IPV4;
236 CXGBE_FILL_FS(ETHER_TYPE_IPv4, 0xffff, ethtype);
238 return 0; /* ipv4 wild card */
240 CXGBE_FILL_FS(val->hdr.next_proto_id, mask->hdr.next_proto_id, proto);
241 CXGBE_FILL_FS_MEMCPY(val->hdr.dst_addr, mask->hdr.dst_addr, lip);
242 CXGBE_FILL_FS_MEMCPY(val->hdr.src_addr, mask->hdr.src_addr, fip);
248 ch_rte_parsetype_ipv6(const void *dmask, const struct rte_flow_item *item,
249 struct ch_filter_specification *fs,
250 struct rte_flow_error *e)
252 const struct rte_flow_item_ipv6 *val = item->spec;
253 const struct rte_flow_item_ipv6 *umask = item->mask;
254 const struct rte_flow_item_ipv6 *mask;
256 mask = umask ? umask : (const struct rte_flow_item_ipv6 *)dmask;
258 if (mask->hdr.vtc_flow ||
259 mask->hdr.payload_len || mask->hdr.hop_limits)
260 return rte_flow_error_set(e, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM,
262 "tc/flow/hop are not supported");
264 fs->type = FILTER_TYPE_IPV6;
265 CXGBE_FILL_FS(ETHER_TYPE_IPv6, 0xffff, ethtype);
267 return 0; /* ipv6 wild card */
269 CXGBE_FILL_FS(val->hdr.proto, mask->hdr.proto, proto);
270 CXGBE_FILL_FS_MEMCPY(val->hdr.dst_addr, mask->hdr.dst_addr, lip);
271 CXGBE_FILL_FS_MEMCPY(val->hdr.src_addr, mask->hdr.src_addr, fip);
277 cxgbe_rtef_parse_attr(struct rte_flow *flow, const struct rte_flow_attr *attr,
278 struct rte_flow_error *e)
281 return rte_flow_error_set(e, ENOTSUP, RTE_FLOW_ERROR_TYPE_ATTR,
282 attr, "attribute:<egress> is"
285 return rte_flow_error_set(e, ENOTSUP, RTE_FLOW_ERROR_TYPE_ATTR,
286 attr, "group parameter is"
289 flow->fidx = attr->priority ? attr->priority - 1 : FILTER_ID_MAX;
294 static inline int check_rxq(struct rte_eth_dev *dev, uint16_t rxq)
296 struct port_info *pi = ethdev2pinfo(dev);
298 if (rxq > pi->n_rx_qsets)
303 static int cxgbe_validate_fidxondel(struct filter_entry *f, unsigned int fidx)
305 struct adapter *adap = ethdev2adap(f->dev);
306 struct ch_filter_specification fs = f->fs;
308 if (fidx >= adap->tids.nftids) {
309 dev_err(adap, "invalid flow index %d.\n", fidx);
312 if (!is_filter_set(&adap->tids, fidx, fs.type)) {
313 dev_err(adap, "Already free fidx:%d f:%p\n", fidx, f);
321 cxgbe_validate_fidxonadd(struct ch_filter_specification *fs,
322 struct adapter *adap, unsigned int fidx)
324 if (is_filter_set(&adap->tids, fidx, fs->type)) {
325 dev_err(adap, "filter index: %d is busy.\n", fidx);
328 if (fidx >= adap->tids.nftids) {
329 dev_err(adap, "filter index (%u) >= max(%u)\n",
330 fidx, adap->tids.nftids);
338 cxgbe_verify_fidx(struct rte_flow *flow, unsigned int fidx, uint8_t del)
341 return 0; /* Hash filters */
342 return del ? cxgbe_validate_fidxondel(flow->f, fidx) :
343 cxgbe_validate_fidxonadd(&flow->fs,
344 ethdev2adap(flow->dev), fidx);
347 static int cxgbe_get_fidx(struct rte_flow *flow, unsigned int *fidx)
349 struct ch_filter_specification *fs = &flow->fs;
350 struct adapter *adap = ethdev2adap(flow->dev);
352 /* For tcam get the next available slot, if default value specified */
353 if (flow->fidx == FILTER_ID_MAX) {
356 idx = cxgbe_alloc_ftid(adap, fs->type);
358 dev_err(adap, "unable to get a filter index in tcam\n");
361 *fidx = (unsigned int)idx;
370 cxgbe_get_flow_item_index(const struct rte_flow_item items[], u32 type)
372 const struct rte_flow_item *i;
373 int j, index = -ENOENT;
375 for (i = items, j = 0; i->type != RTE_FLOW_ITEM_TYPE_END; i++, j++) {
376 if (i->type == type) {
386 ch_rte_parse_nat(uint8_t nmode, struct ch_filter_specification *fs)
389 * BIT_0 = [src_ip], BIT_1 = [dst_ip]
390 * BIT_2 = [src_port], BIT_3 = [dst_port]
392 * Only below cases are supported as per our spec.
396 fs->nat_mode = NAT_MODE_NONE;
399 fs->nat_mode = NAT_MODE_DIP;
402 fs->nat_mode = NAT_MODE_SIP_SP;
405 fs->nat_mode = NAT_MODE_DIP_SIP_SP;
408 fs->nat_mode = NAT_MODE_DIP_DP;
411 fs->nat_mode = NAT_MODE_DIP_DP_SIP;
414 fs->nat_mode = NAT_MODE_DIP_DP_SP;
417 fs->nat_mode = NAT_MODE_ALL;
427 ch_rte_parse_atype_switch(const struct rte_flow_action *a,
428 const struct rte_flow_item items[],
430 struct ch_filter_specification *fs,
431 struct rte_flow_error *e)
433 const struct rte_flow_action_of_set_vlan_vid *vlanid;
434 const struct rte_flow_action_of_push_vlan *pushvlan;
435 const struct rte_flow_action_set_ipv4 *ipv4;
436 const struct rte_flow_action_set_ipv6 *ipv6;
437 const struct rte_flow_action_set_tp *tp_port;
438 const struct rte_flow_action_phy_port *port;
442 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID:
443 vlanid = (const struct rte_flow_action_of_set_vlan_vid *)
445 fs->newvlan = VLAN_REWRITE;
446 fs->vlan = vlanid->vlan_vid;
448 case RTE_FLOW_ACTION_TYPE_OF_PUSH_VLAN:
449 pushvlan = (const struct rte_flow_action_of_push_vlan *)
451 if (pushvlan->ethertype != ETHER_TYPE_VLAN)
452 return rte_flow_error_set(e, EINVAL,
453 RTE_FLOW_ERROR_TYPE_ACTION, a,
454 "only ethertype 0x8100 "
455 "supported for push vlan.");
456 fs->newvlan = VLAN_INSERT;
458 case RTE_FLOW_ACTION_TYPE_OF_POP_VLAN:
459 fs->newvlan = VLAN_REMOVE;
461 case RTE_FLOW_ACTION_TYPE_PHY_PORT:
462 port = (const struct rte_flow_action_phy_port *)a->conf;
463 fs->eport = port->index;
465 case RTE_FLOW_ACTION_TYPE_SET_IPV4_SRC:
466 item_index = cxgbe_get_flow_item_index(items,
467 RTE_FLOW_ITEM_TYPE_IPV4);
469 return rte_flow_error_set(e, EINVAL,
470 RTE_FLOW_ERROR_TYPE_ACTION, a,
471 "No RTE_FLOW_ITEM_TYPE_IPV4 "
474 ipv4 = (const struct rte_flow_action_set_ipv4 *)a->conf;
475 memcpy(fs->nat_fip, &ipv4->ipv4_addr, sizeof(ipv4->ipv4_addr));
478 case RTE_FLOW_ACTION_TYPE_SET_IPV4_DST:
479 item_index = cxgbe_get_flow_item_index(items,
480 RTE_FLOW_ITEM_TYPE_IPV4);
482 return rte_flow_error_set(e, EINVAL,
483 RTE_FLOW_ERROR_TYPE_ACTION, a,
484 "No RTE_FLOW_ITEM_TYPE_IPV4 "
487 ipv4 = (const struct rte_flow_action_set_ipv4 *)a->conf;
488 memcpy(fs->nat_lip, &ipv4->ipv4_addr, sizeof(ipv4->ipv4_addr));
491 case RTE_FLOW_ACTION_TYPE_SET_IPV6_SRC:
492 item_index = cxgbe_get_flow_item_index(items,
493 RTE_FLOW_ITEM_TYPE_IPV6);
495 return rte_flow_error_set(e, EINVAL,
496 RTE_FLOW_ERROR_TYPE_ACTION, a,
497 "No RTE_FLOW_ITEM_TYPE_IPV6 "
500 ipv6 = (const struct rte_flow_action_set_ipv6 *)a->conf;
501 memcpy(fs->nat_fip, ipv6->ipv6_addr, sizeof(ipv6->ipv6_addr));
504 case RTE_FLOW_ACTION_TYPE_SET_IPV6_DST:
505 item_index = cxgbe_get_flow_item_index(items,
506 RTE_FLOW_ITEM_TYPE_IPV6);
508 return rte_flow_error_set(e, EINVAL,
509 RTE_FLOW_ERROR_TYPE_ACTION, a,
510 "No RTE_FLOW_ITEM_TYPE_IPV6 "
513 ipv6 = (const struct rte_flow_action_set_ipv6 *)a->conf;
514 memcpy(fs->nat_lip, ipv6->ipv6_addr, sizeof(ipv6->ipv6_addr));
517 case RTE_FLOW_ACTION_TYPE_SET_TP_SRC:
518 item_index = cxgbe_get_flow_item_index(items,
519 RTE_FLOW_ITEM_TYPE_TCP);
520 if (item_index < 0) {
522 cxgbe_get_flow_item_index(items,
523 RTE_FLOW_ITEM_TYPE_UDP);
525 return rte_flow_error_set(e, EINVAL,
526 RTE_FLOW_ERROR_TYPE_ACTION, a,
527 "No RTE_FLOW_ITEM_TYPE_TCP or "
528 "RTE_FLOW_ITEM_TYPE_UDP found");
531 tp_port = (const struct rte_flow_action_set_tp *)a->conf;
532 fs->nat_fport = be16_to_cpu(tp_port->port);
535 case RTE_FLOW_ACTION_TYPE_SET_TP_DST:
536 item_index = cxgbe_get_flow_item_index(items,
537 RTE_FLOW_ITEM_TYPE_TCP);
538 if (item_index < 0) {
540 cxgbe_get_flow_item_index(items,
541 RTE_FLOW_ITEM_TYPE_UDP);
543 return rte_flow_error_set(e, EINVAL,
544 RTE_FLOW_ERROR_TYPE_ACTION, a,
545 "No RTE_FLOW_ITEM_TYPE_TCP or "
546 "RTE_FLOW_ITEM_TYPE_UDP found");
549 tp_port = (const struct rte_flow_action_set_tp *)a->conf;
550 fs->nat_lport = be16_to_cpu(tp_port->port);
553 case RTE_FLOW_ACTION_TYPE_MAC_SWAP:
554 item_index = cxgbe_get_flow_item_index(items,
555 RTE_FLOW_ITEM_TYPE_ETH);
557 return rte_flow_error_set(e, EINVAL,
558 RTE_FLOW_ERROR_TYPE_ACTION, a,
559 "No RTE_FLOW_ITEM_TYPE_ETH "
564 /* We are not supposed to come here */
565 return rte_flow_error_set(e, EINVAL,
566 RTE_FLOW_ERROR_TYPE_ACTION, a,
567 "Action not supported");
574 cxgbe_rtef_parse_actions(struct rte_flow *flow,
575 const struct rte_flow_item items[],
576 const struct rte_flow_action action[],
577 struct rte_flow_error *e)
579 struct ch_filter_specification *fs = &flow->fs;
580 uint8_t nmode = 0, nat_ipv4 = 0, nat_ipv6 = 0;
581 const struct rte_flow_action_queue *q;
582 const struct rte_flow_action *a;
586 for (a = action; a->type != RTE_FLOW_ACTION_TYPE_END; a++) {
588 case RTE_FLOW_ACTION_TYPE_VOID:
590 case RTE_FLOW_ACTION_TYPE_DROP:
592 return rte_flow_error_set(e, EINVAL,
593 RTE_FLOW_ERROR_TYPE_ACTION, a,
594 "specify only 1 pass/drop");
595 fs->action = FILTER_DROP;
597 case RTE_FLOW_ACTION_TYPE_QUEUE:
598 q = (const struct rte_flow_action_queue *)a->conf;
600 return rte_flow_error_set(e, EINVAL,
601 RTE_FLOW_ERROR_TYPE_ACTION, q,
602 "specify rx queue index");
603 if (check_rxq(flow->dev, q->index))
604 return rte_flow_error_set(e, EINVAL,
605 RTE_FLOW_ERROR_TYPE_ACTION, q,
608 return rte_flow_error_set(e, EINVAL,
609 RTE_FLOW_ERROR_TYPE_ACTION, a,
610 "specify only 1 pass/drop");
611 fs->action = FILTER_PASS;
615 case RTE_FLOW_ACTION_TYPE_COUNT:
618 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID:
619 case RTE_FLOW_ACTION_TYPE_OF_PUSH_VLAN:
620 case RTE_FLOW_ACTION_TYPE_OF_POP_VLAN:
621 case RTE_FLOW_ACTION_TYPE_PHY_PORT:
622 case RTE_FLOW_ACTION_TYPE_MAC_SWAP:
623 case RTE_FLOW_ACTION_TYPE_SET_IPV4_SRC:
624 case RTE_FLOW_ACTION_TYPE_SET_IPV4_DST:
627 case RTE_FLOW_ACTION_TYPE_SET_IPV6_SRC:
628 case RTE_FLOW_ACTION_TYPE_SET_IPV6_DST:
631 case RTE_FLOW_ACTION_TYPE_SET_TP_SRC:
632 case RTE_FLOW_ACTION_TYPE_SET_TP_DST:
634 /* We allow multiple switch actions, but switch is
635 * not compatible with either queue or drop
637 if (abit++ && fs->action != FILTER_SWITCH)
638 return rte_flow_error_set(e, EINVAL,
639 RTE_FLOW_ERROR_TYPE_ACTION, a,
640 "overlapping action specified");
641 if (nat_ipv4 && nat_ipv6)
642 return rte_flow_error_set(e, EINVAL,
643 RTE_FLOW_ERROR_TYPE_ACTION, a,
644 "Can't have one address ipv4 and the"
647 ret = ch_rte_parse_atype_switch(a, items, &nmode, fs,
651 fs->action = FILTER_SWITCH;
654 /* Not supported action : return error */
655 return rte_flow_error_set(e, ENOTSUP,
656 RTE_FLOW_ERROR_TYPE_ACTION,
657 a, "Action not supported");
661 if (ch_rte_parse_nat(nmode, fs))
662 return rte_flow_error_set(e, EINVAL,
663 RTE_FLOW_ERROR_TYPE_ACTION, a,
664 "invalid settings for swich action");
668 static struct chrte_fparse parseitem[] = {
669 [RTE_FLOW_ITEM_TYPE_ETH] = {
670 .fptr = ch_rte_parsetype_eth,
671 .dmask = &(const struct rte_flow_item_eth){
672 .dst.addr_bytes = "\xff\xff\xff\xff\xff\xff",
673 .src.addr_bytes = "\x00\x00\x00\x00\x00\x00",
678 [RTE_FLOW_ITEM_TYPE_PHY_PORT] = {
679 .fptr = ch_rte_parsetype_port,
680 .dmask = &(const struct rte_flow_item_phy_port){
685 [RTE_FLOW_ITEM_TYPE_IPV4] = {
686 .fptr = ch_rte_parsetype_ipv4,
687 .dmask = &rte_flow_item_ipv4_mask,
690 [RTE_FLOW_ITEM_TYPE_IPV6] = {
691 .fptr = ch_rte_parsetype_ipv6,
692 .dmask = &rte_flow_item_ipv6_mask,
695 [RTE_FLOW_ITEM_TYPE_UDP] = {
696 .fptr = ch_rte_parsetype_udp,
697 .dmask = &rte_flow_item_udp_mask,
700 [RTE_FLOW_ITEM_TYPE_TCP] = {
701 .fptr = ch_rte_parsetype_tcp,
702 .dmask = &rte_flow_item_tcp_mask,
707 cxgbe_rtef_parse_items(struct rte_flow *flow,
708 const struct rte_flow_item items[],
709 struct rte_flow_error *e)
711 struct adapter *adap = ethdev2adap(flow->dev);
712 const struct rte_flow_item *i;
713 char repeat[ARRAY_SIZE(parseitem)] = {0};
715 for (i = items; i->type != RTE_FLOW_ITEM_TYPE_END; i++) {
716 struct chrte_fparse *idx;
719 if (i->type >= ARRAY_SIZE(parseitem))
720 return rte_flow_error_set(e, ENOTSUP,
721 RTE_FLOW_ERROR_TYPE_ITEM,
722 i, "Item not supported");
725 case RTE_FLOW_ITEM_TYPE_VOID:
728 /* check if item is repeated */
730 return rte_flow_error_set(e, ENOTSUP,
731 RTE_FLOW_ERROR_TYPE_ITEM, i,
732 "parse items cannot be repeated (except void)");
735 /* validate the item */
736 ret = cxgbe_validate_item(i, e);
740 idx = &flow->item_parser[i->type];
741 if (!idx || !idx->fptr) {
742 return rte_flow_error_set(e, ENOTSUP,
743 RTE_FLOW_ERROR_TYPE_ITEM, i,
744 "Item not supported");
746 ret = idx->fptr(idx->dmask, i, &flow->fs, e);
753 cxgbe_fill_filter_region(adap, &flow->fs);
759 cxgbe_flow_parse(struct rte_flow *flow,
760 const struct rte_flow_attr *attr,
761 const struct rte_flow_item item[],
762 const struct rte_flow_action action[],
763 struct rte_flow_error *e)
766 /* parse user request into ch_filter_specification */
767 ret = cxgbe_rtef_parse_attr(flow, attr, e);
770 ret = cxgbe_rtef_parse_items(flow, item, e);
773 return cxgbe_rtef_parse_actions(flow, item, action, e);
776 static int __cxgbe_flow_create(struct rte_eth_dev *dev, struct rte_flow *flow)
778 struct ch_filter_specification *fs = &flow->fs;
779 struct adapter *adap = ethdev2adap(dev);
780 struct tid_info *t = &adap->tids;
781 struct filter_ctx ctx;
785 if (cxgbe_get_fidx(flow, &fidx))
787 if (cxgbe_verify_fidx(flow, fidx, 0))
790 t4_init_completion(&ctx.completion);
791 /* go create the filter */
792 err = cxgbe_set_filter(dev, fidx, fs, &ctx);
794 dev_err(adap, "Error %d while creating filter.\n", err);
798 /* Poll the FW for reply */
799 err = cxgbe_poll_for_completion(&adap->sge.fw_evtq,
804 dev_err(adap, "Filter set operation timed out (%d)\n", err);
808 dev_err(adap, "Hardware error %d while creating the filter.\n",
813 if (fs->cap) { /* to destroy the filter */
814 flow->fidx = ctx.tid;
815 flow->f = lookup_tid(t, ctx.tid);
818 flow->f = &adap->tids.ftid_tab[fidx];
824 static struct rte_flow *
825 cxgbe_flow_create(struct rte_eth_dev *dev,
826 const struct rte_flow_attr *attr,
827 const struct rte_flow_item item[],
828 const struct rte_flow_action action[],
829 struct rte_flow_error *e)
831 struct rte_flow *flow;
834 flow = t4_os_alloc(sizeof(struct rte_flow));
836 rte_flow_error_set(e, ENOMEM, RTE_FLOW_ERROR_TYPE_HANDLE,
837 NULL, "Unable to allocate memory for"
842 flow->item_parser = parseitem;
844 flow->fs.private = (void *)flow;
846 if (cxgbe_flow_parse(flow, attr, item, action, e)) {
851 /* go, interact with cxgbe_filter */
852 ret = __cxgbe_flow_create(dev, flow);
854 rte_flow_error_set(e, ret, RTE_FLOW_ERROR_TYPE_HANDLE,
855 NULL, "Unable to create flow rule");
860 flow->f->private = flow; /* Will be used during flush */
865 static int __cxgbe_flow_destroy(struct rte_eth_dev *dev, struct rte_flow *flow)
867 struct adapter *adap = ethdev2adap(dev);
868 struct filter_entry *f = flow->f;
869 struct ch_filter_specification *fs;
870 struct filter_ctx ctx;
874 if (cxgbe_verify_fidx(flow, flow->fidx, 1))
877 t4_init_completion(&ctx.completion);
878 err = cxgbe_del_filter(dev, flow->fidx, fs, &ctx);
880 dev_err(adap, "Error %d while deleting filter.\n", err);
884 /* Poll the FW for reply */
885 err = cxgbe_poll_for_completion(&adap->sge.fw_evtq,
890 dev_err(adap, "Filter delete operation timed out (%d)\n", err);
894 dev_err(adap, "Hardware error %d while deleting the filter.\n",
900 if (fs->mask.macidx) {
901 struct port_info *pi = (struct port_info *)
902 (dev->data->dev_private);
905 ret = cxgbe_mpstcam_remove(pi, fs->val.macidx);
914 cxgbe_flow_destroy(struct rte_eth_dev *dev, struct rte_flow *flow,
915 struct rte_flow_error *e)
919 ret = __cxgbe_flow_destroy(dev, flow);
921 return rte_flow_error_set(e, ret, RTE_FLOW_ERROR_TYPE_HANDLE,
922 flow, "error destroying filter.");
927 static int __cxgbe_flow_query(struct rte_flow *flow, u64 *count,
930 struct adapter *adap = ethdev2adap(flow->dev);
931 struct ch_filter_specification fs = flow->f->fs;
932 unsigned int fidx = flow->fidx;
935 ret = cxgbe_get_filter_count(adap, fidx, count, fs.cap, 0);
938 return cxgbe_get_filter_count(adap, fidx, byte_count, fs.cap, 1);
942 cxgbe_flow_query(struct rte_eth_dev *dev, struct rte_flow *flow,
943 const struct rte_flow_action *action, void *data,
944 struct rte_flow_error *e)
946 struct ch_filter_specification fs;
947 struct rte_flow_query_count *c;
948 struct filter_entry *f;
956 if (action->type != RTE_FLOW_ACTION_TYPE_COUNT)
957 return rte_flow_error_set(e, ENOTSUP,
958 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
959 "only count supported for query");
962 * This is a valid operation, Since we are allowed to do chelsio
963 * specific operations in rte side of our code but not vise-versa
965 * So, fs can be queried/modified here BUT rte_flow_query_count
966 * cannot be worked on by the lower layer since we want to maintain
967 * it as rte_flow agnostic.
970 return rte_flow_error_set(e, EINVAL, RTE_FLOW_ERROR_TYPE_ACTION,
971 &fs, "filter hit counters were not"
972 " enabled during filter creation");
974 c = (struct rte_flow_query_count *)data;
975 ret = __cxgbe_flow_query(flow, &c->hits, &c->bytes);
977 return rte_flow_error_set(e, -ret, RTE_FLOW_ERROR_TYPE_ACTION,
978 f, "cxgbe pmd failed to"
981 /* Query was successful */
985 return 0; /* success / partial_success */
989 cxgbe_flow_validate(struct rte_eth_dev *dev,
990 const struct rte_flow_attr *attr,
991 const struct rte_flow_item item[],
992 const struct rte_flow_action action[],
993 struct rte_flow_error *e)
995 struct adapter *adap = ethdev2adap(dev);
996 struct rte_flow *flow;
1000 flow = t4_os_alloc(sizeof(struct rte_flow));
1002 return rte_flow_error_set(e, ENOMEM, RTE_FLOW_ERROR_TYPE_HANDLE,
1004 "Unable to allocate memory for filter_entry");
1006 flow->item_parser = parseitem;
1009 ret = cxgbe_flow_parse(flow, attr, item, action, e);
1015 if (validate_filter(adap, &flow->fs)) {
1017 return rte_flow_error_set(e, EINVAL, RTE_FLOW_ERROR_TYPE_HANDLE,
1019 "validation failed. Check f/w config file.");
1022 if (cxgbe_get_fidx(flow, &fidx)) {
1024 return rte_flow_error_set(e, ENOMEM, RTE_FLOW_ERROR_TYPE_HANDLE,
1025 NULL, "no memory in tcam.");
1028 if (cxgbe_verify_fidx(flow, fidx, 0)) {
1030 return rte_flow_error_set(e, EINVAL, RTE_FLOW_ERROR_TYPE_HANDLE,
1031 NULL, "validation failed");
1039 * @ret : > 0 filter destroyed succsesfully
1040 * < 0 error destroying filter
1041 * == 1 filter not active / not found
1044 cxgbe_check_n_destroy(struct filter_entry *f, struct rte_eth_dev *dev,
1045 struct rte_flow_error *e)
1047 if (f && (f->valid || f->pending) &&
1048 f->dev == dev && /* Only if user has asked for this port */
1049 f->private) /* We (rte_flow) created this filter */
1050 return cxgbe_flow_destroy(dev, (struct rte_flow *)f->private,
1055 static int cxgbe_flow_flush(struct rte_eth_dev *dev, struct rte_flow_error *e)
1057 struct adapter *adap = ethdev2adap(dev);
1061 if (adap->tids.ftid_tab) {
1062 struct filter_entry *f = &adap->tids.ftid_tab[0];
1064 for (i = 0; i < adap->tids.nftids; i++, f++) {
1065 ret = cxgbe_check_n_destroy(f, dev, e);
1071 if (is_hashfilter(adap) && adap->tids.tid_tab) {
1072 struct filter_entry *f;
1074 for (i = adap->tids.hash_base; i <= adap->tids.ntids; i++) {
1075 f = (struct filter_entry *)adap->tids.tid_tab[i];
1077 ret = cxgbe_check_n_destroy(f, dev, e);
1084 return ret >= 0 ? 0 : ret;
1087 static const struct rte_flow_ops cxgbe_flow_ops = {
1088 .validate = cxgbe_flow_validate,
1089 .create = cxgbe_flow_create,
1090 .destroy = cxgbe_flow_destroy,
1091 .flush = cxgbe_flow_flush,
1092 .query = cxgbe_flow_query,
1097 cxgbe_dev_filter_ctrl(struct rte_eth_dev *dev,
1098 enum rte_filter_type filter_type,
1099 enum rte_filter_op filter_op,
1105 switch (filter_type) {
1106 case RTE_ETH_FILTER_GENERIC:
1107 if (filter_op != RTE_ETH_FILTER_GET)
1109 *(const void **)arg = &cxgbe_flow_ops;