10d08a441SKiran Patil // SPDX-License-Identifier: GPL-2.0
20d08a441SKiran Patil /* Copyright (C) 2019-2021, Intel Corporation. */
30d08a441SKiran Patil
40d08a441SKiran Patil #include "ice.h"
50d08a441SKiran Patil #include "ice_tc_lib.h"
60d08a441SKiran Patil #include "ice_fltr.h"
79e300987SMichal Swiatkowski #include "ice_lib.h"
89e300987SMichal Swiatkowski #include "ice_protocol_type.h"
90d08a441SKiran Patil
100960a27bSMarcin Szycik #define ICE_TC_METADATA_LKUP_IDX 0
110960a27bSMarcin Szycik
120d08a441SKiran Patil /**
130d08a441SKiran Patil * ice_tc_count_lkups - determine lookup count for switch filter
140d08a441SKiran Patil * @flags: TC-flower flags
150d08a441SKiran Patil * @headers: Pointer to TC flower filter header structure
160d08a441SKiran Patil * @fltr: Pointer to outer TC filter structure
170d08a441SKiran Patil *
180d08a441SKiran Patil * Determine lookup count based on TC flower input for switch filter.
190d08a441SKiran Patil */
200d08a441SKiran Patil static int
ice_tc_count_lkups(u32 flags,struct ice_tc_flower_lyr_2_4_hdrs * headers,struct ice_tc_flower_fltr * fltr)210d08a441SKiran Patil ice_tc_count_lkups(u32 flags, struct ice_tc_flower_lyr_2_4_hdrs *headers,
220d08a441SKiran Patil struct ice_tc_flower_fltr *fltr)
230d08a441SKiran Patil {
240960a27bSMarcin Szycik int lkups_cnt = 1; /* 0th lookup is metadata */
250960a27bSMarcin Szycik
260960a27bSMarcin Szycik /* Always add metadata as the 0th lookup. Included elements:
270960a27bSMarcin Szycik * - Direction flag (always present)
280960a27bSMarcin Szycik * - ICE_TC_FLWR_FIELD_VLAN_TPID (present if specified)
290960a27bSMarcin Szycik * - Tunnel flag (present if tunnel)
300960a27bSMarcin Szycik */
3191efeadfSMichal Swiatkowski if (fltr->direction == ICE_ESWITCH_FLTR_EGRESS)
3291efeadfSMichal Swiatkowski lkups_cnt++;
330d08a441SKiran Patil
349e300987SMichal Swiatkowski if (flags & ICE_TC_FLWR_FIELD_TENANT_ID)
359e300987SMichal Swiatkowski lkups_cnt++;
369e300987SMichal Swiatkowski
3702ddec19SAmritha Nambiar if (flags & ICE_TC_FLWR_FIELD_ENC_DST_MAC)
3802ddec19SAmritha Nambiar lkups_cnt++;
3902ddec19SAmritha Nambiar
409a225f81SMarcin Szycik if (flags & ICE_TC_FLWR_FIELD_ENC_OPTS)
419a225f81SMarcin Szycik lkups_cnt++;
429a225f81SMarcin Szycik
439e300987SMichal Swiatkowski if (flags & (ICE_TC_FLWR_FIELD_ENC_SRC_IPV4 |
449e300987SMichal Swiatkowski ICE_TC_FLWR_FIELD_ENC_DEST_IPV4 |
459e300987SMichal Swiatkowski ICE_TC_FLWR_FIELD_ENC_SRC_IPV6 |
469e300987SMichal Swiatkowski ICE_TC_FLWR_FIELD_ENC_DEST_IPV6))
479e300987SMichal Swiatkowski lkups_cnt++;
489e300987SMichal Swiatkowski
494c99bc96SMarcin Szycik if (flags & (ICE_TC_FLWR_FIELD_ENC_IP_TOS |
504c99bc96SMarcin Szycik ICE_TC_FLWR_FIELD_ENC_IP_TTL))
514c99bc96SMarcin Szycik lkups_cnt++;
524c99bc96SMarcin Szycik
539e300987SMichal Swiatkowski if (flags & ICE_TC_FLWR_FIELD_ENC_DEST_L4_PORT)
549e300987SMichal Swiatkowski lkups_cnt++;
559e300987SMichal Swiatkowski
5634a89775SMartyna Szapar-Mudlaw if (flags & ICE_TC_FLWR_FIELD_ETH_TYPE_ID)
570d08a441SKiran Patil lkups_cnt++;
580d08a441SKiran Patil
590d08a441SKiran Patil /* are MAC fields specified? */
600d08a441SKiran Patil if (flags & (ICE_TC_FLWR_FIELD_DST_MAC | ICE_TC_FLWR_FIELD_SRC_MAC))
610d08a441SKiran Patil lkups_cnt++;
620d08a441SKiran Patil
630d08a441SKiran Patil /* is VLAN specified? */
6434800178SMartyna Szapar-Mudlaw if (flags & (ICE_TC_FLWR_FIELD_VLAN | ICE_TC_FLWR_FIELD_VLAN_PRIO))
650d08a441SKiran Patil lkups_cnt++;
660d08a441SKiran Patil
6706bca7c2SMartyna Szapar-Mudlaw /* is CVLAN specified? */
6834800178SMartyna Szapar-Mudlaw if (flags & (ICE_TC_FLWR_FIELD_CVLAN | ICE_TC_FLWR_FIELD_CVLAN_PRIO))
6906bca7c2SMartyna Szapar-Mudlaw lkups_cnt++;
7006bca7c2SMartyna Szapar-Mudlaw
71cd8efeeeSMarcin Szycik /* are PPPoE options specified? */
72cd8efeeeSMarcin Szycik if (flags & (ICE_TC_FLWR_FIELD_PPPOE_SESSID |
73cd8efeeeSMarcin Szycik ICE_TC_FLWR_FIELD_PPP_PROTO))
74cd8efeeeSMarcin Szycik lkups_cnt++;
75cd8efeeeSMarcin Szycik
760d08a441SKiran Patil /* are IPv[4|6] fields specified? */
779e300987SMichal Swiatkowski if (flags & (ICE_TC_FLWR_FIELD_DEST_IPV4 | ICE_TC_FLWR_FIELD_SRC_IPV4 |
789e300987SMichal Swiatkowski ICE_TC_FLWR_FIELD_DEST_IPV6 | ICE_TC_FLWR_FIELD_SRC_IPV6))
790d08a441SKiran Patil lkups_cnt++;
800d08a441SKiran Patil
814c99bc96SMarcin Szycik if (flags & (ICE_TC_FLWR_FIELD_IP_TOS | ICE_TC_FLWR_FIELD_IP_TTL))
824c99bc96SMarcin Szycik lkups_cnt++;
834c99bc96SMarcin Szycik
84cd634549SMarcin Szycik /* are L2TPv3 options specified? */
85cd634549SMarcin Szycik if (flags & ICE_TC_FLWR_FIELD_L2TPV3_SESSID)
86cd634549SMarcin Szycik lkups_cnt++;
87cd634549SMarcin Szycik
880d08a441SKiran Patil /* is L4 (TCP/UDP/any other L4 protocol fields) specified? */
890d08a441SKiran Patil if (flags & (ICE_TC_FLWR_FIELD_DEST_L4_PORT |
900d08a441SKiran Patil ICE_TC_FLWR_FIELD_SRC_L4_PORT))
910d08a441SKiran Patil lkups_cnt++;
920d08a441SKiran Patil
930d08a441SKiran Patil return lkups_cnt;
940d08a441SKiran Patil }
950d08a441SKiran Patil
ice_proto_type_from_mac(bool inner)969e300987SMichal Swiatkowski static enum ice_protocol_type ice_proto_type_from_mac(bool inner)
979e300987SMichal Swiatkowski {
989e300987SMichal Swiatkowski return inner ? ICE_MAC_IL : ICE_MAC_OFOS;
999e300987SMichal Swiatkowski }
1009e300987SMichal Swiatkowski
ice_proto_type_from_etype(bool inner)10134a89775SMartyna Szapar-Mudlaw static enum ice_protocol_type ice_proto_type_from_etype(bool inner)
10234a89775SMartyna Szapar-Mudlaw {
10334a89775SMartyna Szapar-Mudlaw return inner ? ICE_ETYPE_IL : ICE_ETYPE_OL;
10434a89775SMartyna Szapar-Mudlaw }
10534a89775SMartyna Szapar-Mudlaw
ice_proto_type_from_ipv4(bool inner)1069e300987SMichal Swiatkowski static enum ice_protocol_type ice_proto_type_from_ipv4(bool inner)
1079e300987SMichal Swiatkowski {
1089e300987SMichal Swiatkowski return inner ? ICE_IPV4_IL : ICE_IPV4_OFOS;
1099e300987SMichal Swiatkowski }
1109e300987SMichal Swiatkowski
ice_proto_type_from_ipv6(bool inner)1119e300987SMichal Swiatkowski static enum ice_protocol_type ice_proto_type_from_ipv6(bool inner)
1129e300987SMichal Swiatkowski {
1139e300987SMichal Swiatkowski return inner ? ICE_IPV6_IL : ICE_IPV6_OFOS;
1149e300987SMichal Swiatkowski }
1159e300987SMichal Swiatkowski
ice_proto_type_from_l4_port(u16 ip_proto)1160e32ff02SMichal Swiatkowski static enum ice_protocol_type ice_proto_type_from_l4_port(u16 ip_proto)
1179e300987SMichal Swiatkowski {
1189e300987SMichal Swiatkowski switch (ip_proto) {
1199e300987SMichal Swiatkowski case IPPROTO_TCP:
1209e300987SMichal Swiatkowski return ICE_TCP_IL;
1219e300987SMichal Swiatkowski case IPPROTO_UDP:
1220e32ff02SMichal Swiatkowski return ICE_UDP_ILOS;
1239e300987SMichal Swiatkowski }
1249e300987SMichal Swiatkowski
1259e300987SMichal Swiatkowski return 0;
1269e300987SMichal Swiatkowski }
1279e300987SMichal Swiatkowski
1289e300987SMichal Swiatkowski static enum ice_protocol_type
ice_proto_type_from_tunnel(enum ice_tunnel_type type)1299e300987SMichal Swiatkowski ice_proto_type_from_tunnel(enum ice_tunnel_type type)
1309e300987SMichal Swiatkowski {
1319e300987SMichal Swiatkowski switch (type) {
1329e300987SMichal Swiatkowski case TNL_VXLAN:
1339e300987SMichal Swiatkowski return ICE_VXLAN;
1349e300987SMichal Swiatkowski case TNL_GENEVE:
1359e300987SMichal Swiatkowski return ICE_GENEVE;
136f0a35040SMichal Swiatkowski case TNL_GRETAP:
137f0a35040SMichal Swiatkowski return ICE_NVGRE;
1389a225f81SMarcin Szycik case TNL_GTPU:
1399a225f81SMarcin Szycik /* NO_PAY profiles will not work with GTP-U */
1409a225f81SMarcin Szycik return ICE_GTP;
1419a225f81SMarcin Szycik case TNL_GTPC:
1429a225f81SMarcin Szycik return ICE_GTP_NO_PAY;
1439e300987SMichal Swiatkowski default:
1449e300987SMichal Swiatkowski return 0;
1459e300987SMichal Swiatkowski }
1469e300987SMichal Swiatkowski }
1479e300987SMichal Swiatkowski
1489e300987SMichal Swiatkowski static enum ice_sw_tunnel_type
ice_sw_type_from_tunnel(enum ice_tunnel_type type)1499e300987SMichal Swiatkowski ice_sw_type_from_tunnel(enum ice_tunnel_type type)
1509e300987SMichal Swiatkowski {
1519e300987SMichal Swiatkowski switch (type) {
1529e300987SMichal Swiatkowski case TNL_VXLAN:
1539e300987SMichal Swiatkowski return ICE_SW_TUN_VXLAN;
1549e300987SMichal Swiatkowski case TNL_GENEVE:
1559e300987SMichal Swiatkowski return ICE_SW_TUN_GENEVE;
156f0a35040SMichal Swiatkowski case TNL_GRETAP:
157f0a35040SMichal Swiatkowski return ICE_SW_TUN_NVGRE;
1589a225f81SMarcin Szycik case TNL_GTPU:
1599a225f81SMarcin Szycik return ICE_SW_TUN_GTPU;
1609a225f81SMarcin Szycik case TNL_GTPC:
1619a225f81SMarcin Szycik return ICE_SW_TUN_GTPC;
1629e300987SMichal Swiatkowski default:
1639e300987SMichal Swiatkowski return ICE_NON_TUN;
1649e300987SMichal Swiatkowski }
1659e300987SMichal Swiatkowski }
1669e300987SMichal Swiatkowski
ice_check_supported_vlan_tpid(u16 vlan_tpid)167ea71b967SMartyna Szapar-Mudlaw static u16 ice_check_supported_vlan_tpid(u16 vlan_tpid)
168ea71b967SMartyna Szapar-Mudlaw {
169ea71b967SMartyna Szapar-Mudlaw switch (vlan_tpid) {
170ea71b967SMartyna Szapar-Mudlaw case ETH_P_8021Q:
171ea71b967SMartyna Szapar-Mudlaw case ETH_P_8021AD:
172ea71b967SMartyna Szapar-Mudlaw case ETH_P_QINQ1:
173ea71b967SMartyna Szapar-Mudlaw return vlan_tpid;
174ea71b967SMartyna Szapar-Mudlaw default:
175ea71b967SMartyna Szapar-Mudlaw return 0;
176ea71b967SMartyna Szapar-Mudlaw }
177ea71b967SMartyna Szapar-Mudlaw }
178ea71b967SMartyna Szapar-Mudlaw
1799e300987SMichal Swiatkowski static int
ice_tc_fill_tunnel_outer(u32 flags,struct ice_tc_flower_fltr * fltr,struct ice_adv_lkup_elem * list,int i)1809e300987SMichal Swiatkowski ice_tc_fill_tunnel_outer(u32 flags, struct ice_tc_flower_fltr *fltr,
1810960a27bSMarcin Szycik struct ice_adv_lkup_elem *list, int i)
1829e300987SMichal Swiatkowski {
1839e300987SMichal Swiatkowski struct ice_tc_flower_lyr_2_4_hdrs *hdr = &fltr->outer_headers;
1849e300987SMichal Swiatkowski
1859e300987SMichal Swiatkowski if (flags & ICE_TC_FLWR_FIELD_TENANT_ID) {
1869e300987SMichal Swiatkowski u32 tenant_id;
1879e300987SMichal Swiatkowski
1889e300987SMichal Swiatkowski list[i].type = ice_proto_type_from_tunnel(fltr->tunnel_type);
189f0a35040SMichal Swiatkowski switch (fltr->tunnel_type) {
190f0a35040SMichal Swiatkowski case TNL_VXLAN:
191f0a35040SMichal Swiatkowski case TNL_GENEVE:
1929e300987SMichal Swiatkowski tenant_id = be32_to_cpu(fltr->tenant_id) << 8;
1939e300987SMichal Swiatkowski list[i].h_u.tnl_hdr.vni = cpu_to_be32(tenant_id);
1949e300987SMichal Swiatkowski memcpy(&list[i].m_u.tnl_hdr.vni, "\xff\xff\xff\x00", 4);
1959e300987SMichal Swiatkowski i++;
196f0a35040SMichal Swiatkowski break;
197f0a35040SMichal Swiatkowski case TNL_GRETAP:
198f0a35040SMichal Swiatkowski list[i].h_u.nvgre_hdr.tni_flow = fltr->tenant_id;
1999a225f81SMarcin Szycik memcpy(&list[i].m_u.nvgre_hdr.tni_flow,
2009a225f81SMarcin Szycik "\xff\xff\xff\xff", 4);
2019a225f81SMarcin Szycik i++;
2029a225f81SMarcin Szycik break;
2039a225f81SMarcin Szycik case TNL_GTPC:
2049a225f81SMarcin Szycik case TNL_GTPU:
2059a225f81SMarcin Szycik list[i].h_u.gtp_hdr.teid = fltr->tenant_id;
2069a225f81SMarcin Szycik memcpy(&list[i].m_u.gtp_hdr.teid,
2079a225f81SMarcin Szycik "\xff\xff\xff\xff", 4);
208f0a35040SMichal Swiatkowski i++;
209f0a35040SMichal Swiatkowski break;
210f0a35040SMichal Swiatkowski default:
211f0a35040SMichal Swiatkowski break;
212f0a35040SMichal Swiatkowski }
2139e300987SMichal Swiatkowski }
2149e300987SMichal Swiatkowski
21502ddec19SAmritha Nambiar if (flags & ICE_TC_FLWR_FIELD_ENC_DST_MAC) {
21602ddec19SAmritha Nambiar list[i].type = ice_proto_type_from_mac(false);
21702ddec19SAmritha Nambiar ether_addr_copy(list[i].h_u.eth_hdr.dst_addr,
21802ddec19SAmritha Nambiar hdr->l2_key.dst_mac);
21902ddec19SAmritha Nambiar ether_addr_copy(list[i].m_u.eth_hdr.dst_addr,
22002ddec19SAmritha Nambiar hdr->l2_mask.dst_mac);
22102ddec19SAmritha Nambiar i++;
22202ddec19SAmritha Nambiar }
22302ddec19SAmritha Nambiar
2249a225f81SMarcin Szycik if (flags & ICE_TC_FLWR_FIELD_ENC_OPTS &&
2259a225f81SMarcin Szycik (fltr->tunnel_type == TNL_GTPU || fltr->tunnel_type == TNL_GTPC)) {
2269a225f81SMarcin Szycik list[i].type = ice_proto_type_from_tunnel(fltr->tunnel_type);
2279a225f81SMarcin Szycik
2289a225f81SMarcin Szycik if (fltr->gtp_pdu_info_masks.pdu_type) {
2299a225f81SMarcin Szycik list[i].h_u.gtp_hdr.pdu_type =
2309a225f81SMarcin Szycik fltr->gtp_pdu_info_keys.pdu_type << 4;
2319a225f81SMarcin Szycik memcpy(&list[i].m_u.gtp_hdr.pdu_type, "\xf0", 1);
2329a225f81SMarcin Szycik }
2339a225f81SMarcin Szycik
2349a225f81SMarcin Szycik if (fltr->gtp_pdu_info_masks.qfi) {
2359a225f81SMarcin Szycik list[i].h_u.gtp_hdr.qfi = fltr->gtp_pdu_info_keys.qfi;
2369a225f81SMarcin Szycik memcpy(&list[i].m_u.gtp_hdr.qfi, "\x3f", 1);
2379a225f81SMarcin Szycik }
2389a225f81SMarcin Szycik
2399a225f81SMarcin Szycik i++;
2409a225f81SMarcin Szycik }
2419a225f81SMarcin Szycik
2429e300987SMichal Swiatkowski if (flags & (ICE_TC_FLWR_FIELD_ENC_SRC_IPV4 |
2439e300987SMichal Swiatkowski ICE_TC_FLWR_FIELD_ENC_DEST_IPV4)) {
2449e300987SMichal Swiatkowski list[i].type = ice_proto_type_from_ipv4(false);
2459e300987SMichal Swiatkowski
2469e300987SMichal Swiatkowski if (flags & ICE_TC_FLWR_FIELD_ENC_SRC_IPV4) {
2479e300987SMichal Swiatkowski list[i].h_u.ipv4_hdr.src_addr = hdr->l3_key.src_ipv4;
2489e300987SMichal Swiatkowski list[i].m_u.ipv4_hdr.src_addr = hdr->l3_mask.src_ipv4;
2499e300987SMichal Swiatkowski }
2509e300987SMichal Swiatkowski if (flags & ICE_TC_FLWR_FIELD_ENC_DEST_IPV4) {
2519e300987SMichal Swiatkowski list[i].h_u.ipv4_hdr.dst_addr = hdr->l3_key.dst_ipv4;
2529e300987SMichal Swiatkowski list[i].m_u.ipv4_hdr.dst_addr = hdr->l3_mask.dst_ipv4;
2539e300987SMichal Swiatkowski }
2549e300987SMichal Swiatkowski i++;
2559e300987SMichal Swiatkowski }
2569e300987SMichal Swiatkowski
2579e300987SMichal Swiatkowski if (flags & (ICE_TC_FLWR_FIELD_ENC_SRC_IPV6 |
2589e300987SMichal Swiatkowski ICE_TC_FLWR_FIELD_ENC_DEST_IPV6)) {
2599e300987SMichal Swiatkowski list[i].type = ice_proto_type_from_ipv6(false);
2609e300987SMichal Swiatkowski
2619e300987SMichal Swiatkowski if (flags & ICE_TC_FLWR_FIELD_ENC_SRC_IPV6) {
2629e300987SMichal Swiatkowski memcpy(&list[i].h_u.ipv6_hdr.src_addr,
2639e300987SMichal Swiatkowski &hdr->l3_key.src_ipv6_addr,
2649e300987SMichal Swiatkowski sizeof(hdr->l3_key.src_ipv6_addr));
2659e300987SMichal Swiatkowski memcpy(&list[i].m_u.ipv6_hdr.src_addr,
2669e300987SMichal Swiatkowski &hdr->l3_mask.src_ipv6_addr,
2679e300987SMichal Swiatkowski sizeof(hdr->l3_mask.src_ipv6_addr));
2689e300987SMichal Swiatkowski }
2699e300987SMichal Swiatkowski if (flags & ICE_TC_FLWR_FIELD_ENC_DEST_IPV6) {
2709e300987SMichal Swiatkowski memcpy(&list[i].h_u.ipv6_hdr.dst_addr,
2719e300987SMichal Swiatkowski &hdr->l3_key.dst_ipv6_addr,
2729e300987SMichal Swiatkowski sizeof(hdr->l3_key.dst_ipv6_addr));
2739e300987SMichal Swiatkowski memcpy(&list[i].m_u.ipv6_hdr.dst_addr,
2749e300987SMichal Swiatkowski &hdr->l3_mask.dst_ipv6_addr,
2759e300987SMichal Swiatkowski sizeof(hdr->l3_mask.dst_ipv6_addr));
2769e300987SMichal Swiatkowski }
2779e300987SMichal Swiatkowski i++;
2789e300987SMichal Swiatkowski }
2799e300987SMichal Swiatkowski
2804c99bc96SMarcin Szycik if (fltr->inner_headers.l2_key.n_proto == htons(ETH_P_IP) &&
2814c99bc96SMarcin Szycik (flags & (ICE_TC_FLWR_FIELD_ENC_IP_TOS |
2824c99bc96SMarcin Szycik ICE_TC_FLWR_FIELD_ENC_IP_TTL))) {
2834c99bc96SMarcin Szycik list[i].type = ice_proto_type_from_ipv4(false);
2844c99bc96SMarcin Szycik
2854c99bc96SMarcin Szycik if (flags & ICE_TC_FLWR_FIELD_ENC_IP_TOS) {
2864c99bc96SMarcin Szycik list[i].h_u.ipv4_hdr.tos = hdr->l3_key.tos;
2874c99bc96SMarcin Szycik list[i].m_u.ipv4_hdr.tos = hdr->l3_mask.tos;
2884c99bc96SMarcin Szycik }
2894c99bc96SMarcin Szycik
2904c99bc96SMarcin Szycik if (flags & ICE_TC_FLWR_FIELD_ENC_IP_TTL) {
2914c99bc96SMarcin Szycik list[i].h_u.ipv4_hdr.time_to_live = hdr->l3_key.ttl;
2924c99bc96SMarcin Szycik list[i].m_u.ipv4_hdr.time_to_live = hdr->l3_mask.ttl;
2934c99bc96SMarcin Szycik }
2944c99bc96SMarcin Szycik
2954c99bc96SMarcin Szycik i++;
2964c99bc96SMarcin Szycik }
2974c99bc96SMarcin Szycik
2984c99bc96SMarcin Szycik if (fltr->inner_headers.l2_key.n_proto == htons(ETH_P_IPV6) &&
2994c99bc96SMarcin Szycik (flags & (ICE_TC_FLWR_FIELD_ENC_IP_TOS |
3004c99bc96SMarcin Szycik ICE_TC_FLWR_FIELD_ENC_IP_TTL))) {
3014c99bc96SMarcin Szycik struct ice_ipv6_hdr *hdr_h, *hdr_m;
3024c99bc96SMarcin Szycik
3034c99bc96SMarcin Szycik hdr_h = &list[i].h_u.ipv6_hdr;
3044c99bc96SMarcin Szycik hdr_m = &list[i].m_u.ipv6_hdr;
3054c99bc96SMarcin Szycik list[i].type = ice_proto_type_from_ipv6(false);
3064c99bc96SMarcin Szycik
3074c99bc96SMarcin Szycik if (flags & ICE_TC_FLWR_FIELD_ENC_IP_TOS) {
3084c99bc96SMarcin Szycik be32p_replace_bits(&hdr_h->be_ver_tc_flow,
3094c99bc96SMarcin Szycik hdr->l3_key.tos,
3104c99bc96SMarcin Szycik ICE_IPV6_HDR_TC_MASK);
3114c99bc96SMarcin Szycik be32p_replace_bits(&hdr_m->be_ver_tc_flow,
3124c99bc96SMarcin Szycik hdr->l3_mask.tos,
3134c99bc96SMarcin Szycik ICE_IPV6_HDR_TC_MASK);
3144c99bc96SMarcin Szycik }
3154c99bc96SMarcin Szycik
3164c99bc96SMarcin Szycik if (flags & ICE_TC_FLWR_FIELD_ENC_IP_TTL) {
3174c99bc96SMarcin Szycik hdr_h->hop_limit = hdr->l3_key.ttl;
3184c99bc96SMarcin Szycik hdr_m->hop_limit = hdr->l3_mask.ttl;
3194c99bc96SMarcin Szycik }
3204c99bc96SMarcin Szycik
3214c99bc96SMarcin Szycik i++;
3224c99bc96SMarcin Szycik }
3234c99bc96SMarcin Szycik
3240e32ff02SMichal Swiatkowski if ((flags & ICE_TC_FLWR_FIELD_ENC_DEST_L4_PORT) &&
3250e32ff02SMichal Swiatkowski hdr->l3_key.ip_proto == IPPROTO_UDP) {
3260e32ff02SMichal Swiatkowski list[i].type = ICE_UDP_OF;
3279e300987SMichal Swiatkowski list[i].h_u.l4_hdr.dst_port = hdr->l4_key.dst_port;
3289e300987SMichal Swiatkowski list[i].m_u.l4_hdr.dst_port = hdr->l4_mask.dst_port;
3299e300987SMichal Swiatkowski i++;
3309e300987SMichal Swiatkowski }
3319e300987SMichal Swiatkowski
33203592a14SMichal Swiatkowski /* always fill matching on tunneled packets in metadata */
3330960a27bSMarcin Szycik ice_rule_add_tunnel_metadata(&list[ICE_TC_METADATA_LKUP_IDX]);
33403592a14SMichal Swiatkowski
3359e300987SMichal Swiatkowski return i;
3369e300987SMichal Swiatkowski }
3379e300987SMichal Swiatkowski
3380d08a441SKiran Patil /**
3390d08a441SKiran Patil * ice_tc_fill_rules - fill filter rules based on TC fltr
3400d08a441SKiran Patil * @hw: pointer to HW structure
3410d08a441SKiran Patil * @flags: tc flower field flags
3420d08a441SKiran Patil * @tc_fltr: pointer to TC flower filter
3430d08a441SKiran Patil * @list: list of advance rule elements
3440d08a441SKiran Patil * @rule_info: pointer to information about rule
3450d08a441SKiran Patil * @l4_proto: pointer to information such as L4 proto type
3460d08a441SKiran Patil *
3470d08a441SKiran Patil * Fill ice_adv_lkup_elem list based on TC flower flags and
3480d08a441SKiran Patil * TC flower headers. This list should be used to add
3490d08a441SKiran Patil * advance filter in hardware.
3500d08a441SKiran Patil */
3510d08a441SKiran Patil static int
ice_tc_fill_rules(struct ice_hw * hw,u32 flags,struct ice_tc_flower_fltr * tc_fltr,struct ice_adv_lkup_elem * list,struct ice_adv_rule_info * rule_info,u16 * l4_proto)3520d08a441SKiran Patil ice_tc_fill_rules(struct ice_hw *hw, u32 flags,
3530d08a441SKiran Patil struct ice_tc_flower_fltr *tc_fltr,
3540d08a441SKiran Patil struct ice_adv_lkup_elem *list,
3550d08a441SKiran Patil struct ice_adv_rule_info *rule_info,
3560d08a441SKiran Patil u16 *l4_proto)
3570d08a441SKiran Patil {
3580d08a441SKiran Patil struct ice_tc_flower_lyr_2_4_hdrs *headers = &tc_fltr->outer_headers;
3599e300987SMichal Swiatkowski bool inner = false;
360ea71b967SMartyna Szapar-Mudlaw u16 vlan_tpid = 0;
3610960a27bSMarcin Szycik int i = 1; /* 0th lookup is metadata */
3620d08a441SKiran Patil
363ea71b967SMartyna Szapar-Mudlaw rule_info->vlan_type = vlan_tpid;
364ea71b967SMartyna Szapar-Mudlaw
3650960a27bSMarcin Szycik /* Always add direction metadata */
3660960a27bSMarcin Szycik ice_rule_add_direction_metadata(&list[ICE_TC_METADATA_LKUP_IDX]);
3670960a27bSMarcin Szycik
36891efeadfSMichal Swiatkowski if (tc_fltr->direction == ICE_ESWITCH_FLTR_EGRESS) {
36991efeadfSMichal Swiatkowski ice_rule_add_src_vsi_metadata(&list[i]);
37091efeadfSMichal Swiatkowski i++;
37191efeadfSMichal Swiatkowski }
37291efeadfSMichal Swiatkowski
3739e300987SMichal Swiatkowski rule_info->tun_type = ice_sw_type_from_tunnel(tc_fltr->tunnel_type);
3749e300987SMichal Swiatkowski if (tc_fltr->tunnel_type != TNL_LAST) {
3750960a27bSMarcin Szycik i = ice_tc_fill_tunnel_outer(flags, tc_fltr, list, i);
3769e300987SMichal Swiatkowski
3779e300987SMichal Swiatkowski headers = &tc_fltr->inner_headers;
3789e300987SMichal Swiatkowski inner = true;
37934a89775SMartyna Szapar-Mudlaw }
38034a89775SMartyna Szapar-Mudlaw
38134a89775SMartyna Szapar-Mudlaw if (flags & ICE_TC_FLWR_FIELD_ETH_TYPE_ID) {
38234a89775SMartyna Szapar-Mudlaw list[i].type = ice_proto_type_from_etype(inner);
3830d08a441SKiran Patil list[i].h_u.ethertype.ethtype_id = headers->l2_key.n_proto;
3840d08a441SKiran Patil list[i].m_u.ethertype.ethtype_id = headers->l2_mask.n_proto;
3850d08a441SKiran Patil i++;
3860d08a441SKiran Patil }
3870d08a441SKiran Patil
3880d08a441SKiran Patil if (flags & (ICE_TC_FLWR_FIELD_DST_MAC |
3890d08a441SKiran Patil ICE_TC_FLWR_FIELD_SRC_MAC)) {
3900d08a441SKiran Patil struct ice_tc_l2_hdr *l2_key, *l2_mask;
3910d08a441SKiran Patil
3920d08a441SKiran Patil l2_key = &headers->l2_key;
3930d08a441SKiran Patil l2_mask = &headers->l2_mask;
3940d08a441SKiran Patil
3959e300987SMichal Swiatkowski list[i].type = ice_proto_type_from_mac(inner);
3960d08a441SKiran Patil if (flags & ICE_TC_FLWR_FIELD_DST_MAC) {
3970d08a441SKiran Patil ether_addr_copy(list[i].h_u.eth_hdr.dst_addr,
3980d08a441SKiran Patil l2_key->dst_mac);
3990d08a441SKiran Patil ether_addr_copy(list[i].m_u.eth_hdr.dst_addr,
4000d08a441SKiran Patil l2_mask->dst_mac);
4010d08a441SKiran Patil }
4020d08a441SKiran Patil if (flags & ICE_TC_FLWR_FIELD_SRC_MAC) {
4030d08a441SKiran Patil ether_addr_copy(list[i].h_u.eth_hdr.src_addr,
4040d08a441SKiran Patil l2_key->src_mac);
4050d08a441SKiran Patil ether_addr_copy(list[i].m_u.eth_hdr.src_addr,
4060d08a441SKiran Patil l2_mask->src_mac);
4070d08a441SKiran Patil }
4080d08a441SKiran Patil i++;
4090d08a441SKiran Patil }
4100d08a441SKiran Patil
4110d08a441SKiran Patil /* copy VLAN info */
41234800178SMartyna Szapar-Mudlaw if (flags & (ICE_TC_FLWR_FIELD_VLAN | ICE_TC_FLWR_FIELD_VLAN_PRIO)) {
41306bca7c2SMartyna Szapar-Mudlaw if (flags & ICE_TC_FLWR_FIELD_CVLAN)
41406bca7c2SMartyna Szapar-Mudlaw list[i].type = ICE_VLAN_EX;
41506bca7c2SMartyna Szapar-Mudlaw else
4160d08a441SKiran Patil list[i].type = ICE_VLAN_OFOS;
41734800178SMartyna Szapar-Mudlaw
41834800178SMartyna Szapar-Mudlaw if (flags & ICE_TC_FLWR_FIELD_VLAN) {
4190d08a441SKiran Patil list[i].h_u.vlan_hdr.vlan = headers->vlan_hdr.vlan_id;
42034800178SMartyna Szapar-Mudlaw list[i].m_u.vlan_hdr.vlan = cpu_to_be16(0x0FFF);
42134800178SMartyna Szapar-Mudlaw }
42234800178SMartyna Szapar-Mudlaw
42334800178SMartyna Szapar-Mudlaw if (flags & ICE_TC_FLWR_FIELD_VLAN_PRIO) {
42434800178SMartyna Szapar-Mudlaw if (flags & ICE_TC_FLWR_FIELD_VLAN) {
42534800178SMartyna Szapar-Mudlaw list[i].m_u.vlan_hdr.vlan = cpu_to_be16(0xEFFF);
42634800178SMartyna Szapar-Mudlaw } else {
42734800178SMartyna Szapar-Mudlaw list[i].m_u.vlan_hdr.vlan = cpu_to_be16(0xE000);
42834800178SMartyna Szapar-Mudlaw list[i].h_u.vlan_hdr.vlan = 0;
42934800178SMartyna Szapar-Mudlaw }
43034800178SMartyna Szapar-Mudlaw list[i].h_u.vlan_hdr.vlan |=
43134800178SMartyna Szapar-Mudlaw headers->vlan_hdr.vlan_prio;
43234800178SMartyna Szapar-Mudlaw }
43334800178SMartyna Szapar-Mudlaw
4340d08a441SKiran Patil i++;
4350d08a441SKiran Patil }
4360d08a441SKiran Patil
43703592a14SMichal Swiatkowski if (flags & ICE_TC_FLWR_FIELD_VLAN_TPID) {
43803592a14SMichal Swiatkowski vlan_tpid = be16_to_cpu(headers->vlan_hdr.vlan_tpid);
43903592a14SMichal Swiatkowski rule_info->vlan_type =
44003592a14SMichal Swiatkowski ice_check_supported_vlan_tpid(vlan_tpid);
44103592a14SMichal Swiatkowski
4420960a27bSMarcin Szycik ice_rule_add_vlan_metadata(&list[ICE_TC_METADATA_LKUP_IDX]);
44303592a14SMichal Swiatkowski }
44403592a14SMichal Swiatkowski
44534800178SMartyna Szapar-Mudlaw if (flags & (ICE_TC_FLWR_FIELD_CVLAN | ICE_TC_FLWR_FIELD_CVLAN_PRIO)) {
44606bca7c2SMartyna Szapar-Mudlaw list[i].type = ICE_VLAN_IN;
44734800178SMartyna Szapar-Mudlaw
44834800178SMartyna Szapar-Mudlaw if (flags & ICE_TC_FLWR_FIELD_CVLAN) {
44906bca7c2SMartyna Szapar-Mudlaw list[i].h_u.vlan_hdr.vlan = headers->cvlan_hdr.vlan_id;
45034800178SMartyna Szapar-Mudlaw list[i].m_u.vlan_hdr.vlan = cpu_to_be16(0x0FFF);
45134800178SMartyna Szapar-Mudlaw }
45234800178SMartyna Szapar-Mudlaw
45334800178SMartyna Szapar-Mudlaw if (flags & ICE_TC_FLWR_FIELD_CVLAN_PRIO) {
45434800178SMartyna Szapar-Mudlaw if (flags & ICE_TC_FLWR_FIELD_CVLAN) {
45534800178SMartyna Szapar-Mudlaw list[i].m_u.vlan_hdr.vlan = cpu_to_be16(0xEFFF);
45634800178SMartyna Szapar-Mudlaw } else {
45734800178SMartyna Szapar-Mudlaw list[i].m_u.vlan_hdr.vlan = cpu_to_be16(0xE000);
45834800178SMartyna Szapar-Mudlaw list[i].h_u.vlan_hdr.vlan = 0;
45934800178SMartyna Szapar-Mudlaw }
46034800178SMartyna Szapar-Mudlaw list[i].h_u.vlan_hdr.vlan |=
46134800178SMartyna Szapar-Mudlaw headers->cvlan_hdr.vlan_prio;
46234800178SMartyna Szapar-Mudlaw }
46334800178SMartyna Szapar-Mudlaw
46406bca7c2SMartyna Szapar-Mudlaw i++;
46506bca7c2SMartyna Szapar-Mudlaw }
46606bca7c2SMartyna Szapar-Mudlaw
467cd8efeeeSMarcin Szycik if (flags & (ICE_TC_FLWR_FIELD_PPPOE_SESSID |
468cd8efeeeSMarcin Szycik ICE_TC_FLWR_FIELD_PPP_PROTO)) {
469cd8efeeeSMarcin Szycik struct ice_pppoe_hdr *vals, *masks;
470cd8efeeeSMarcin Szycik
471cd8efeeeSMarcin Szycik vals = &list[i].h_u.pppoe_hdr;
472cd8efeeeSMarcin Szycik masks = &list[i].m_u.pppoe_hdr;
473cd8efeeeSMarcin Szycik
474cd8efeeeSMarcin Szycik list[i].type = ICE_PPPOE;
475cd8efeeeSMarcin Szycik
476cd8efeeeSMarcin Szycik if (flags & ICE_TC_FLWR_FIELD_PPPOE_SESSID) {
477cd8efeeeSMarcin Szycik vals->session_id = headers->pppoe_hdr.session_id;
478cd8efeeeSMarcin Szycik masks->session_id = cpu_to_be16(0xFFFF);
479cd8efeeeSMarcin Szycik }
480cd8efeeeSMarcin Szycik
481cd8efeeeSMarcin Szycik if (flags & ICE_TC_FLWR_FIELD_PPP_PROTO) {
482cd8efeeeSMarcin Szycik vals->ppp_prot_id = headers->pppoe_hdr.ppp_proto;
483cd8efeeeSMarcin Szycik masks->ppp_prot_id = cpu_to_be16(0xFFFF);
484cd8efeeeSMarcin Szycik }
485cd8efeeeSMarcin Szycik
486cd8efeeeSMarcin Szycik i++;
487cd8efeeeSMarcin Szycik }
488cd8efeeeSMarcin Szycik
4890d08a441SKiran Patil /* copy L3 (IPv[4|6]: src, dest) address */
4900d08a441SKiran Patil if (flags & (ICE_TC_FLWR_FIELD_DEST_IPV4 |
4910d08a441SKiran Patil ICE_TC_FLWR_FIELD_SRC_IPV4)) {
4920d08a441SKiran Patil struct ice_tc_l3_hdr *l3_key, *l3_mask;
4930d08a441SKiran Patil
4949e300987SMichal Swiatkowski list[i].type = ice_proto_type_from_ipv4(inner);
4950d08a441SKiran Patil l3_key = &headers->l3_key;
4960d08a441SKiran Patil l3_mask = &headers->l3_mask;
4970d08a441SKiran Patil if (flags & ICE_TC_FLWR_FIELD_DEST_IPV4) {
4980d08a441SKiran Patil list[i].h_u.ipv4_hdr.dst_addr = l3_key->dst_ipv4;
4990d08a441SKiran Patil list[i].m_u.ipv4_hdr.dst_addr = l3_mask->dst_ipv4;
5000d08a441SKiran Patil }
5010d08a441SKiran Patil if (flags & ICE_TC_FLWR_FIELD_SRC_IPV4) {
5020d08a441SKiran Patil list[i].h_u.ipv4_hdr.src_addr = l3_key->src_ipv4;
5030d08a441SKiran Patil list[i].m_u.ipv4_hdr.src_addr = l3_mask->src_ipv4;
5040d08a441SKiran Patil }
5050d08a441SKiran Patil i++;
5060d08a441SKiran Patil } else if (flags & (ICE_TC_FLWR_FIELD_DEST_IPV6 |
5070d08a441SKiran Patil ICE_TC_FLWR_FIELD_SRC_IPV6)) {
5080d08a441SKiran Patil struct ice_ipv6_hdr *ipv6_hdr, *ipv6_mask;
5090d08a441SKiran Patil struct ice_tc_l3_hdr *l3_key, *l3_mask;
5100d08a441SKiran Patil
5119e300987SMichal Swiatkowski list[i].type = ice_proto_type_from_ipv6(inner);
5120d08a441SKiran Patil ipv6_hdr = &list[i].h_u.ipv6_hdr;
5130d08a441SKiran Patil ipv6_mask = &list[i].m_u.ipv6_hdr;
5140d08a441SKiran Patil l3_key = &headers->l3_key;
5150d08a441SKiran Patil l3_mask = &headers->l3_mask;
5160d08a441SKiran Patil
5170d08a441SKiran Patil if (flags & ICE_TC_FLWR_FIELD_DEST_IPV6) {
5180d08a441SKiran Patil memcpy(&ipv6_hdr->dst_addr, &l3_key->dst_ipv6_addr,
5190d08a441SKiran Patil sizeof(l3_key->dst_ipv6_addr));
5200d08a441SKiran Patil memcpy(&ipv6_mask->dst_addr, &l3_mask->dst_ipv6_addr,
5210d08a441SKiran Patil sizeof(l3_mask->dst_ipv6_addr));
5220d08a441SKiran Patil }
5230d08a441SKiran Patil if (flags & ICE_TC_FLWR_FIELD_SRC_IPV6) {
5240d08a441SKiran Patil memcpy(&ipv6_hdr->src_addr, &l3_key->src_ipv6_addr,
5250d08a441SKiran Patil sizeof(l3_key->src_ipv6_addr));
5260d08a441SKiran Patil memcpy(&ipv6_mask->src_addr, &l3_mask->src_ipv6_addr,
5270d08a441SKiran Patil sizeof(l3_mask->src_ipv6_addr));
5280d08a441SKiran Patil }
5290d08a441SKiran Patil i++;
5300d08a441SKiran Patil }
5310d08a441SKiran Patil
5324c99bc96SMarcin Szycik if (headers->l2_key.n_proto == htons(ETH_P_IP) &&
5334c99bc96SMarcin Szycik (flags & (ICE_TC_FLWR_FIELD_IP_TOS | ICE_TC_FLWR_FIELD_IP_TTL))) {
5344c99bc96SMarcin Szycik list[i].type = ice_proto_type_from_ipv4(inner);
5354c99bc96SMarcin Szycik
5364c99bc96SMarcin Szycik if (flags & ICE_TC_FLWR_FIELD_IP_TOS) {
5374c99bc96SMarcin Szycik list[i].h_u.ipv4_hdr.tos = headers->l3_key.tos;
5384c99bc96SMarcin Szycik list[i].m_u.ipv4_hdr.tos = headers->l3_mask.tos;
5394c99bc96SMarcin Szycik }
5404c99bc96SMarcin Szycik
5414c99bc96SMarcin Szycik if (flags & ICE_TC_FLWR_FIELD_IP_TTL) {
5424c99bc96SMarcin Szycik list[i].h_u.ipv4_hdr.time_to_live =
5434c99bc96SMarcin Szycik headers->l3_key.ttl;
5444c99bc96SMarcin Szycik list[i].m_u.ipv4_hdr.time_to_live =
5454c99bc96SMarcin Szycik headers->l3_mask.ttl;
5464c99bc96SMarcin Szycik }
5474c99bc96SMarcin Szycik
5484c99bc96SMarcin Szycik i++;
5494c99bc96SMarcin Szycik }
5504c99bc96SMarcin Szycik
5514c99bc96SMarcin Szycik if (headers->l2_key.n_proto == htons(ETH_P_IPV6) &&
5524c99bc96SMarcin Szycik (flags & (ICE_TC_FLWR_FIELD_IP_TOS | ICE_TC_FLWR_FIELD_IP_TTL))) {
5534c99bc96SMarcin Szycik struct ice_ipv6_hdr *hdr_h, *hdr_m;
5544c99bc96SMarcin Szycik
5554c99bc96SMarcin Szycik hdr_h = &list[i].h_u.ipv6_hdr;
5564c99bc96SMarcin Szycik hdr_m = &list[i].m_u.ipv6_hdr;
5574c99bc96SMarcin Szycik list[i].type = ice_proto_type_from_ipv6(inner);
5584c99bc96SMarcin Szycik
5594c99bc96SMarcin Szycik if (flags & ICE_TC_FLWR_FIELD_IP_TOS) {
5604c99bc96SMarcin Szycik be32p_replace_bits(&hdr_h->be_ver_tc_flow,
5614c99bc96SMarcin Szycik headers->l3_key.tos,
5624c99bc96SMarcin Szycik ICE_IPV6_HDR_TC_MASK);
5634c99bc96SMarcin Szycik be32p_replace_bits(&hdr_m->be_ver_tc_flow,
5644c99bc96SMarcin Szycik headers->l3_mask.tos,
5654c99bc96SMarcin Szycik ICE_IPV6_HDR_TC_MASK);
5664c99bc96SMarcin Szycik }
5674c99bc96SMarcin Szycik
5684c99bc96SMarcin Szycik if (flags & ICE_TC_FLWR_FIELD_IP_TTL) {
5694c99bc96SMarcin Szycik hdr_h->hop_limit = headers->l3_key.ttl;
5704c99bc96SMarcin Szycik hdr_m->hop_limit = headers->l3_mask.ttl;
5714c99bc96SMarcin Szycik }
5724c99bc96SMarcin Szycik
5734c99bc96SMarcin Szycik i++;
5744c99bc96SMarcin Szycik }
5754c99bc96SMarcin Szycik
576cd634549SMarcin Szycik if (flags & ICE_TC_FLWR_FIELD_L2TPV3_SESSID) {
577cd634549SMarcin Szycik list[i].type = ICE_L2TPV3;
578cd634549SMarcin Szycik
579cd634549SMarcin Szycik list[i].h_u.l2tpv3_sess_hdr.session_id =
580cd634549SMarcin Szycik headers->l2tpv3_hdr.session_id;
581cd634549SMarcin Szycik list[i].m_u.l2tpv3_sess_hdr.session_id =
582cd634549SMarcin Szycik cpu_to_be32(0xFFFFFFFF);
583cd634549SMarcin Szycik
584cd634549SMarcin Szycik i++;
585cd634549SMarcin Szycik }
586cd634549SMarcin Szycik
5870d08a441SKiran Patil /* copy L4 (src, dest) port */
5880d08a441SKiran Patil if (flags & (ICE_TC_FLWR_FIELD_DEST_L4_PORT |
5890d08a441SKiran Patil ICE_TC_FLWR_FIELD_SRC_L4_PORT)) {
5900d08a441SKiran Patil struct ice_tc_l4_hdr *l4_key, *l4_mask;
5910d08a441SKiran Patil
5920e32ff02SMichal Swiatkowski list[i].type = ice_proto_type_from_l4_port(headers->l3_key.ip_proto);
5930d08a441SKiran Patil l4_key = &headers->l4_key;
5940d08a441SKiran Patil l4_mask = &headers->l4_mask;
5959e300987SMichal Swiatkowski
5960d08a441SKiran Patil if (flags & ICE_TC_FLWR_FIELD_DEST_L4_PORT) {
5970d08a441SKiran Patil list[i].h_u.l4_hdr.dst_port = l4_key->dst_port;
5980d08a441SKiran Patil list[i].m_u.l4_hdr.dst_port = l4_mask->dst_port;
5990d08a441SKiran Patil }
6000d08a441SKiran Patil if (flags & ICE_TC_FLWR_FIELD_SRC_L4_PORT) {
6010d08a441SKiran Patil list[i].h_u.l4_hdr.src_port = l4_key->src_port;
6020d08a441SKiran Patil list[i].m_u.l4_hdr.src_port = l4_mask->src_port;
6030d08a441SKiran Patil }
6040d08a441SKiran Patil i++;
6050d08a441SKiran Patil }
6060d08a441SKiran Patil
6070d08a441SKiran Patil return i;
6080d08a441SKiran Patil }
6090d08a441SKiran Patil
6109e300987SMichal Swiatkowski /**
6119e300987SMichal Swiatkowski * ice_tc_tun_get_type - get the tunnel type
6129e300987SMichal Swiatkowski * @tunnel_dev: ptr to tunnel device
6139e300987SMichal Swiatkowski *
6149e300987SMichal Swiatkowski * This function detects appropriate tunnel_type if specified device is
6159e300987SMichal Swiatkowski * tunnel device such as VXLAN/Geneve
6169e300987SMichal Swiatkowski */
ice_tc_tun_get_type(struct net_device * tunnel_dev)6179e300987SMichal Swiatkowski static int ice_tc_tun_get_type(struct net_device *tunnel_dev)
6189e300987SMichal Swiatkowski {
6199e300987SMichal Swiatkowski if (netif_is_vxlan(tunnel_dev))
6209e300987SMichal Swiatkowski return TNL_VXLAN;
6219e300987SMichal Swiatkowski if (netif_is_geneve(tunnel_dev))
6229e300987SMichal Swiatkowski return TNL_GENEVE;
623f0a35040SMichal Swiatkowski if (netif_is_gretap(tunnel_dev) ||
624f0a35040SMichal Swiatkowski netif_is_ip6gretap(tunnel_dev))
625f0a35040SMichal Swiatkowski return TNL_GRETAP;
6269a225f81SMarcin Szycik
6279a225f81SMarcin Szycik /* Assume GTP-U by default in case of GTP netdev.
6289a225f81SMarcin Szycik * GTP-C may be selected later, based on enc_dst_port.
6299a225f81SMarcin Szycik */
6309a225f81SMarcin Szycik if (netif_is_gtp(tunnel_dev))
6319a225f81SMarcin Szycik return TNL_GTPU;
6329e300987SMichal Swiatkowski return TNL_LAST;
6339e300987SMichal Swiatkowski }
6349e300987SMichal Swiatkowski
ice_is_tunnel_supported(struct net_device * dev)6359e300987SMichal Swiatkowski bool ice_is_tunnel_supported(struct net_device *dev)
6369e300987SMichal Swiatkowski {
6379e300987SMichal Swiatkowski return ice_tc_tun_get_type(dev) != TNL_LAST;
6389e300987SMichal Swiatkowski }
6399e300987SMichal Swiatkowski
ice_tc_is_dev_uplink(struct net_device * dev)64010fc8d42SAniruddha Paul static bool ice_tc_is_dev_uplink(struct net_device *dev)
64110fc8d42SAniruddha Paul {
64210fc8d42SAniruddha Paul return netif_is_ice(dev) || ice_is_tunnel_supported(dev);
64310fc8d42SAniruddha Paul }
64410fc8d42SAniruddha Paul
ice_tc_setup_redirect_action(struct net_device * filter_dev,struct ice_tc_flower_fltr * fltr,struct net_device * target_dev)64510fc8d42SAniruddha Paul static int ice_tc_setup_redirect_action(struct net_device *filter_dev,
64610fc8d42SAniruddha Paul struct ice_tc_flower_fltr *fltr,
64710fc8d42SAniruddha Paul struct net_device *target_dev)
6480d08a441SKiran Patil {
6490d08a441SKiran Patil struct ice_repr *repr;
6500d08a441SKiran Patil
65110fc8d42SAniruddha Paul fltr->action.fltr_act = ICE_FWD_TO_VSI;
65210fc8d42SAniruddha Paul
65310fc8d42SAniruddha Paul if (ice_is_port_repr_netdev(filter_dev) &&
65410fc8d42SAniruddha Paul ice_is_port_repr_netdev(target_dev)) {
65510fc8d42SAniruddha Paul repr = ice_netdev_to_repr(target_dev);
65610fc8d42SAniruddha Paul
65710fc8d42SAniruddha Paul fltr->dest_vsi = repr->src_vsi;
65810fc8d42SAniruddha Paul fltr->direction = ICE_ESWITCH_FLTR_EGRESS;
65910fc8d42SAniruddha Paul } else if (ice_is_port_repr_netdev(filter_dev) &&
66010fc8d42SAniruddha Paul ice_tc_is_dev_uplink(target_dev)) {
66110fc8d42SAniruddha Paul repr = ice_netdev_to_repr(filter_dev);
66210fc8d42SAniruddha Paul
66310fc8d42SAniruddha Paul fltr->dest_vsi = repr->src_vsi->back->switchdev.uplink_vsi;
66410fc8d42SAniruddha Paul fltr->direction = ICE_ESWITCH_FLTR_EGRESS;
66510fc8d42SAniruddha Paul } else if (ice_tc_is_dev_uplink(filter_dev) &&
66610fc8d42SAniruddha Paul ice_is_port_repr_netdev(target_dev)) {
66710fc8d42SAniruddha Paul repr = ice_netdev_to_repr(target_dev);
66810fc8d42SAniruddha Paul
66910fc8d42SAniruddha Paul fltr->dest_vsi = repr->src_vsi;
67010fc8d42SAniruddha Paul fltr->direction = ICE_ESWITCH_FLTR_INGRESS;
67110fc8d42SAniruddha Paul } else {
67210fc8d42SAniruddha Paul NL_SET_ERR_MSG_MOD(fltr->extack,
67310fc8d42SAniruddha Paul "Unsupported netdevice in switchdev mode");
67410fc8d42SAniruddha Paul return -EINVAL;
67510fc8d42SAniruddha Paul }
67610fc8d42SAniruddha Paul
67710fc8d42SAniruddha Paul return 0;
67810fc8d42SAniruddha Paul }
67910fc8d42SAniruddha Paul
680f00f4924SMarcin Szycik static int
ice_tc_setup_drop_action(struct net_device * filter_dev,struct ice_tc_flower_fltr * fltr)681f00f4924SMarcin Szycik ice_tc_setup_drop_action(struct net_device *filter_dev,
682f00f4924SMarcin Szycik struct ice_tc_flower_fltr *fltr)
683f00f4924SMarcin Szycik {
684f00f4924SMarcin Szycik fltr->action.fltr_act = ICE_DROP_PACKET;
685f00f4924SMarcin Szycik
686f00f4924SMarcin Szycik if (ice_is_port_repr_netdev(filter_dev)) {
687f00f4924SMarcin Szycik fltr->direction = ICE_ESWITCH_FLTR_EGRESS;
688f00f4924SMarcin Szycik } else if (ice_tc_is_dev_uplink(filter_dev)) {
689f00f4924SMarcin Szycik fltr->direction = ICE_ESWITCH_FLTR_INGRESS;
690f00f4924SMarcin Szycik } else {
691f00f4924SMarcin Szycik NL_SET_ERR_MSG_MOD(fltr->extack,
692f00f4924SMarcin Szycik "Unsupported netdevice in switchdev mode");
693f00f4924SMarcin Szycik return -EINVAL;
694f00f4924SMarcin Szycik }
695f00f4924SMarcin Szycik
696f00f4924SMarcin Szycik return 0;
697f00f4924SMarcin Szycik }
698f00f4924SMarcin Szycik
ice_eswitch_tc_parse_action(struct net_device * filter_dev,struct ice_tc_flower_fltr * fltr,struct flow_action_entry * act)69910fc8d42SAniruddha Paul static int ice_eswitch_tc_parse_action(struct net_device *filter_dev,
70010fc8d42SAniruddha Paul struct ice_tc_flower_fltr *fltr,
70110fc8d42SAniruddha Paul struct flow_action_entry *act)
70210fc8d42SAniruddha Paul {
70310fc8d42SAniruddha Paul int err;
70410fc8d42SAniruddha Paul
7050d08a441SKiran Patil switch (act->id) {
7060d08a441SKiran Patil case FLOW_ACTION_DROP:
707f00f4924SMarcin Szycik err = ice_tc_setup_drop_action(filter_dev, fltr);
708f00f4924SMarcin Szycik if (err)
709f00f4924SMarcin Szycik return err;
710f00f4924SMarcin Szycik
7110d08a441SKiran Patil break;
7120d08a441SKiran Patil
7130d08a441SKiran Patil case FLOW_ACTION_REDIRECT:
71410fc8d42SAniruddha Paul err = ice_tc_setup_redirect_action(filter_dev, fltr, act->dev);
71510fc8d42SAniruddha Paul if (err)
71610fc8d42SAniruddha Paul return err;
7170d08a441SKiran Patil
7180d08a441SKiran Patil break;
7190d08a441SKiran Patil
7200d08a441SKiran Patil default:
7210d08a441SKiran Patil NL_SET_ERR_MSG_MOD(fltr->extack, "Unsupported action in switchdev mode");
7220d08a441SKiran Patil return -EINVAL;
7230d08a441SKiran Patil }
7240d08a441SKiran Patil
7250d08a441SKiran Patil return 0;
7260d08a441SKiran Patil }
7270d08a441SKiran Patil
7280d08a441SKiran Patil static int
ice_eswitch_add_tc_fltr(struct ice_vsi * vsi,struct ice_tc_flower_fltr * fltr)7290d08a441SKiran Patil ice_eswitch_add_tc_fltr(struct ice_vsi *vsi, struct ice_tc_flower_fltr *fltr)
7300d08a441SKiran Patil {
7310d08a441SKiran Patil struct ice_tc_flower_lyr_2_4_hdrs *headers = &fltr->outer_headers;
7320d08a441SKiran Patil struct ice_adv_rule_info rule_info = { 0 };
7330d08a441SKiran Patil struct ice_rule_query_data rule_added;
7340d08a441SKiran Patil struct ice_hw *hw = &vsi->back->hw;
7350d08a441SKiran Patil struct ice_adv_lkup_elem *list;
7360d08a441SKiran Patil u32 flags = fltr->flags;
7370d08a441SKiran Patil int lkups_cnt;
7382ccc1c1cSTony Nguyen int ret;
7390d08a441SKiran Patil int i;
7400d08a441SKiran Patil
7418d2e34e4SMichal Swiatkowski if (flags & ICE_TC_FLWR_FIELD_ENC_SRC_L4_PORT) {
7420d08a441SKiran Patil NL_SET_ERR_MSG_MOD(fltr->extack, "Unsupported encap field(s)");
7430d08a441SKiran Patil return -EOPNOTSUPP;
7440d08a441SKiran Patil }
7450d08a441SKiran Patil
7460d08a441SKiran Patil lkups_cnt = ice_tc_count_lkups(flags, headers, fltr);
7470d08a441SKiran Patil list = kcalloc(lkups_cnt, sizeof(*list), GFP_ATOMIC);
7480d08a441SKiran Patil if (!list)
7490d08a441SKiran Patil return -ENOMEM;
7500d08a441SKiran Patil
7510d08a441SKiran Patil i = ice_tc_fill_rules(hw, flags, fltr, list, &rule_info, NULL);
7520d08a441SKiran Patil if (i != lkups_cnt) {
7530d08a441SKiran Patil ret = -EINVAL;
7540d08a441SKiran Patil goto exit;
7550d08a441SKiran Patil }
7560d08a441SKiran Patil
7570d08a441SKiran Patil rule_info.sw_act.fltr_act = fltr->action.fltr_act;
7580d08a441SKiran Patil if (fltr->action.fltr_act != ICE_DROP_PACKET)
7590d08a441SKiran Patil rule_info.sw_act.vsi_handle = fltr->dest_vsi->idx;
7600d08a441SKiran Patil /* For now, making priority to be highest, and it also becomes
7610d08a441SKiran Patil * the priority for recipe which will get created as a result of
7620d08a441SKiran Patil * new extraction sequence based on input set.
7630d08a441SKiran Patil * Priority '7' is max val for switch recipe, higher the number
7640d08a441SKiran Patil * results into order of switch rule evaluation.
7650d08a441SKiran Patil */
7660d08a441SKiran Patil rule_info.priority = 7;
7679f699b71SMichal Swiatkowski rule_info.flags_info.act_valid = true;
7680d08a441SKiran Patil
7690d08a441SKiran Patil if (fltr->direction == ICE_ESWITCH_FLTR_INGRESS) {
77010fc8d42SAniruddha Paul /* Uplink to VF */
7710d08a441SKiran Patil rule_info.sw_act.flag |= ICE_FLTR_RX;
7720d08a441SKiran Patil rule_info.sw_act.src = hw->pf_id;
7739f699b71SMichal Swiatkowski rule_info.flags_info.act = ICE_SINGLE_ACT_LB_ENABLE;
77410fc8d42SAniruddha Paul } else if (fltr->direction == ICE_ESWITCH_FLTR_EGRESS &&
77510fc8d42SAniruddha Paul fltr->dest_vsi == vsi->back->switchdev.uplink_vsi) {
77610fc8d42SAniruddha Paul /* VF to Uplink */
7770d08a441SKiran Patil rule_info.sw_act.flag |= ICE_FLTR_TX;
7780d08a441SKiran Patil rule_info.sw_act.src = vsi->idx;
77973b483b7SWojciech Drewek rule_info.flags_info.act = ICE_SINGLE_ACT_LAN_ENABLE;
78010fc8d42SAniruddha Paul } else {
78110fc8d42SAniruddha Paul /* VF to VF */
78210fc8d42SAniruddha Paul rule_info.sw_act.flag |= ICE_FLTR_TX;
78310fc8d42SAniruddha Paul rule_info.sw_act.src = vsi->idx;
78410fc8d42SAniruddha Paul rule_info.flags_info.act = ICE_SINGLE_ACT_LB_ENABLE;
7850d08a441SKiran Patil }
7860d08a441SKiran Patil
7870d08a441SKiran Patil /* specify the cookie as filter_rule_id */
7880d08a441SKiran Patil rule_info.fltr_rule_id = fltr->cookie;
78991efeadfSMichal Swiatkowski rule_info.src_vsi = vsi->idx;
7900d08a441SKiran Patil
7912ccc1c1cSTony Nguyen ret = ice_add_adv_rule(hw, list, lkups_cnt, &rule_info, &rule_added);
7922ccc1c1cSTony Nguyen if (ret == -EEXIST) {
7930d08a441SKiran Patil NL_SET_ERR_MSG_MOD(fltr->extack, "Unable to add filter because it already exist");
7940d08a441SKiran Patil ret = -EINVAL;
7950d08a441SKiran Patil goto exit;
7962ccc1c1cSTony Nguyen } else if (ret) {
7970d08a441SKiran Patil NL_SET_ERR_MSG_MOD(fltr->extack, "Unable to add filter due to error");
7980d08a441SKiran Patil goto exit;
7990d08a441SKiran Patil }
8000d08a441SKiran Patil
8010d08a441SKiran Patil /* store the output params, which are needed later for removing
8020d08a441SKiran Patil * advanced switch filter
8030d08a441SKiran Patil */
8040d08a441SKiran Patil fltr->rid = rule_added.rid;
8050d08a441SKiran Patil fltr->rule_id = rule_added.rule_id;
806143b86f3SAmritha Nambiar fltr->dest_vsi_handle = rule_added.vsi_handle;
8070d08a441SKiran Patil
8080d08a441SKiran Patil exit:
8090d08a441SKiran Patil kfree(list);
8100d08a441SKiran Patil return ret;
8110d08a441SKiran Patil }
8120d08a441SKiran Patil
8130d08a441SKiran Patil /**
814143b86f3SAmritha Nambiar * ice_locate_vsi_using_queue - locate VSI using queue (forward to queue action)
815143b86f3SAmritha Nambiar * @vsi: Pointer to VSI
816479cdfe3SSridhar Samudrala * @queue: Queue index
817143b86f3SAmritha Nambiar *
818479cdfe3SSridhar Samudrala * Locate the VSI using specified "queue". When ADQ is not enabled,
819479cdfe3SSridhar Samudrala * always return input VSI, otherwise locate corresponding
820479cdfe3SSridhar Samudrala * VSI based on per channel "offset" and "qcount"
821143b86f3SAmritha Nambiar */
822479cdfe3SSridhar Samudrala struct ice_vsi *
ice_locate_vsi_using_queue(struct ice_vsi * vsi,int queue)823479cdfe3SSridhar Samudrala ice_locate_vsi_using_queue(struct ice_vsi *vsi, int queue)
824143b86f3SAmritha Nambiar {
825479cdfe3SSridhar Samudrala int num_tc, tc;
826143b86f3SAmritha Nambiar
827143b86f3SAmritha Nambiar /* if ADQ is not active, passed VSI is the candidate VSI */
828143b86f3SAmritha Nambiar if (!ice_is_adq_active(vsi->back))
829143b86f3SAmritha Nambiar return vsi;
830143b86f3SAmritha Nambiar
831143b86f3SAmritha Nambiar /* Locate the VSI (it could still be main PF VSI or CHNL_VSI depending
832143b86f3SAmritha Nambiar * upon queue number)
833143b86f3SAmritha Nambiar */
834143b86f3SAmritha Nambiar num_tc = vsi->mqprio_qopt.qopt.num_tc;
835143b86f3SAmritha Nambiar
836143b86f3SAmritha Nambiar for (tc = 0; tc < num_tc; tc++) {
837143b86f3SAmritha Nambiar int qcount = vsi->mqprio_qopt.qopt.count[tc];
838143b86f3SAmritha Nambiar int offset = vsi->mqprio_qopt.qopt.offset[tc];
839143b86f3SAmritha Nambiar
840143b86f3SAmritha Nambiar if (queue >= offset && queue < offset + qcount) {
841143b86f3SAmritha Nambiar /* for non-ADQ TCs, passed VSI is the candidate VSI */
842143b86f3SAmritha Nambiar if (tc < ICE_CHNL_START_TC)
843143b86f3SAmritha Nambiar return vsi;
844143b86f3SAmritha Nambiar else
845143b86f3SAmritha Nambiar return vsi->tc_map_vsi[tc];
846143b86f3SAmritha Nambiar }
847143b86f3SAmritha Nambiar }
848143b86f3SAmritha Nambiar return NULL;
849143b86f3SAmritha Nambiar }
850143b86f3SAmritha Nambiar
851143b86f3SAmritha Nambiar static struct ice_rx_ring *
ice_locate_rx_ring_using_queue(struct ice_vsi * vsi,struct ice_tc_flower_fltr * tc_fltr)852143b86f3SAmritha Nambiar ice_locate_rx_ring_using_queue(struct ice_vsi *vsi,
853143b86f3SAmritha Nambiar struct ice_tc_flower_fltr *tc_fltr)
854143b86f3SAmritha Nambiar {
855143b86f3SAmritha Nambiar u16 queue = tc_fltr->action.fwd.q.queue;
856143b86f3SAmritha Nambiar
857143b86f3SAmritha Nambiar return queue < vsi->num_rxq ? vsi->rx_rings[queue] : NULL;
858143b86f3SAmritha Nambiar }
859143b86f3SAmritha Nambiar
860143b86f3SAmritha Nambiar /**
861143b86f3SAmritha Nambiar * ice_tc_forward_action - Determine destination VSI and queue for the action
862143b86f3SAmritha Nambiar * @vsi: Pointer to VSI
863143b86f3SAmritha Nambiar * @tc_fltr: Pointer to TC flower filter structure
864143b86f3SAmritha Nambiar *
865143b86f3SAmritha Nambiar * Validates the tc forward action and determines the destination VSI and queue
866143b86f3SAmritha Nambiar * for the forward action.
867143b86f3SAmritha Nambiar */
868143b86f3SAmritha Nambiar static struct ice_vsi *
ice_tc_forward_action(struct ice_vsi * vsi,struct ice_tc_flower_fltr * tc_fltr)869143b86f3SAmritha Nambiar ice_tc_forward_action(struct ice_vsi *vsi, struct ice_tc_flower_fltr *tc_fltr)
870143b86f3SAmritha Nambiar {
871143b86f3SAmritha Nambiar struct ice_rx_ring *ring = NULL;
872390889a4SAmritha Nambiar struct ice_vsi *dest_vsi = NULL;
873143b86f3SAmritha Nambiar struct ice_pf *pf = vsi->back;
874143b86f3SAmritha Nambiar struct device *dev;
875143b86f3SAmritha Nambiar u32 tc_class;
876479cdfe3SSridhar Samudrala int q;
877143b86f3SAmritha Nambiar
878143b86f3SAmritha Nambiar dev = ice_pf_to_dev(pf);
879143b86f3SAmritha Nambiar
880143b86f3SAmritha Nambiar /* Get the destination VSI and/or destination queue and validate them */
881143b86f3SAmritha Nambiar switch (tc_fltr->action.fltr_act) {
882143b86f3SAmritha Nambiar case ICE_FWD_TO_VSI:
883143b86f3SAmritha Nambiar tc_class = tc_fltr->action.fwd.tc.tc_class;
884143b86f3SAmritha Nambiar /* Select the destination VSI */
885143b86f3SAmritha Nambiar if (tc_class < ICE_CHNL_START_TC) {
886143b86f3SAmritha Nambiar NL_SET_ERR_MSG_MOD(tc_fltr->extack,
887143b86f3SAmritha Nambiar "Unable to add filter because of unsupported destination");
888143b86f3SAmritha Nambiar return ERR_PTR(-EOPNOTSUPP);
889143b86f3SAmritha Nambiar }
890143b86f3SAmritha Nambiar /* Locate ADQ VSI depending on hw_tc number */
891390889a4SAmritha Nambiar dest_vsi = vsi->tc_map_vsi[tc_class];
892143b86f3SAmritha Nambiar break;
893143b86f3SAmritha Nambiar case ICE_FWD_TO_Q:
894143b86f3SAmritha Nambiar /* Locate the Rx queue */
895143b86f3SAmritha Nambiar ring = ice_locate_rx_ring_using_queue(vsi, tc_fltr);
896143b86f3SAmritha Nambiar if (!ring) {
897143b86f3SAmritha Nambiar dev_err(dev,
898143b86f3SAmritha Nambiar "Unable to locate Rx queue for action fwd_to_queue: %u\n",
899143b86f3SAmritha Nambiar tc_fltr->action.fwd.q.queue);
900143b86f3SAmritha Nambiar return ERR_PTR(-EINVAL);
901143b86f3SAmritha Nambiar }
902143b86f3SAmritha Nambiar /* Determine destination VSI even though the action is
903143b86f3SAmritha Nambiar * FWD_TO_QUEUE, because QUEUE is associated with VSI
904143b86f3SAmritha Nambiar */
905479cdfe3SSridhar Samudrala q = tc_fltr->action.fwd.q.queue;
906479cdfe3SSridhar Samudrala dest_vsi = ice_locate_vsi_using_queue(vsi, q);
907143b86f3SAmritha Nambiar break;
908143b86f3SAmritha Nambiar default:
909143b86f3SAmritha Nambiar dev_err(dev,
910143b86f3SAmritha Nambiar "Unable to add filter because of unsupported action %u (supported actions: fwd to tc, fwd to queue)\n",
911143b86f3SAmritha Nambiar tc_fltr->action.fltr_act);
912143b86f3SAmritha Nambiar return ERR_PTR(-EINVAL);
913143b86f3SAmritha Nambiar }
914390889a4SAmritha Nambiar /* Must have valid dest_vsi (it could be main VSI or ADQ VSI) */
915390889a4SAmritha Nambiar if (!dest_vsi) {
916143b86f3SAmritha Nambiar dev_err(dev,
917143b86f3SAmritha Nambiar "Unable to add filter because specified destination VSI doesn't exist\n");
918143b86f3SAmritha Nambiar return ERR_PTR(-EINVAL);
919143b86f3SAmritha Nambiar }
920390889a4SAmritha Nambiar return dest_vsi;
921143b86f3SAmritha Nambiar }
922143b86f3SAmritha Nambiar
923143b86f3SAmritha Nambiar /**
9249fea7498SKiran Patil * ice_add_tc_flower_adv_fltr - add appropriate filter rules
9259fea7498SKiran Patil * @vsi: Pointer to VSI
9269fea7498SKiran Patil * @tc_fltr: Pointer to TC flower filter structure
9279fea7498SKiran Patil *
9289fea7498SKiran Patil * based on filter parameters using Advance recipes supported
9299fea7498SKiran Patil * by OS package.
9309fea7498SKiran Patil */
9319fea7498SKiran Patil static int
ice_add_tc_flower_adv_fltr(struct ice_vsi * vsi,struct ice_tc_flower_fltr * tc_fltr)9329fea7498SKiran Patil ice_add_tc_flower_adv_fltr(struct ice_vsi *vsi,
9339fea7498SKiran Patil struct ice_tc_flower_fltr *tc_fltr)
9349fea7498SKiran Patil {
9359fea7498SKiran Patil struct ice_tc_flower_lyr_2_4_hdrs *headers = &tc_fltr->outer_headers;
9369fea7498SKiran Patil struct ice_adv_rule_info rule_info = {0};
9379fea7498SKiran Patil struct ice_rule_query_data rule_added;
9389fea7498SKiran Patil struct ice_adv_lkup_elem *list;
9399fea7498SKiran Patil struct ice_pf *pf = vsi->back;
9409fea7498SKiran Patil struct ice_hw *hw = &pf->hw;
9419fea7498SKiran Patil u32 flags = tc_fltr->flags;
942390889a4SAmritha Nambiar struct ice_vsi *dest_vsi;
9439fea7498SKiran Patil struct device *dev;
9449fea7498SKiran Patil u16 lkups_cnt = 0;
9459fea7498SKiran Patil u16 l4_proto = 0;
9469fea7498SKiran Patil int ret = 0;
9479fea7498SKiran Patil u16 i = 0;
9489fea7498SKiran Patil
9499fea7498SKiran Patil dev = ice_pf_to_dev(pf);
9509fea7498SKiran Patil if (ice_is_safe_mode(pf)) {
9519fea7498SKiran Patil NL_SET_ERR_MSG_MOD(tc_fltr->extack, "Unable to add filter because driver is in safe mode");
9529fea7498SKiran Patil return -EOPNOTSUPP;
9539fea7498SKiran Patil }
9549fea7498SKiran Patil
9559fea7498SKiran Patil if (!flags || (flags & (ICE_TC_FLWR_FIELD_ENC_DEST_IPV4 |
9569fea7498SKiran Patil ICE_TC_FLWR_FIELD_ENC_SRC_IPV4 |
9579fea7498SKiran Patil ICE_TC_FLWR_FIELD_ENC_DEST_IPV6 |
9589fea7498SKiran Patil ICE_TC_FLWR_FIELD_ENC_SRC_IPV6 |
9599fea7498SKiran Patil ICE_TC_FLWR_FIELD_ENC_SRC_L4_PORT))) {
9609fea7498SKiran Patil NL_SET_ERR_MSG_MOD(tc_fltr->extack, "Unsupported encap field(s)");
9619fea7498SKiran Patil return -EOPNOTSUPP;
9629fea7498SKiran Patil }
9639fea7498SKiran Patil
964143b86f3SAmritha Nambiar /* validate forwarding action VSI and queue */
965390889a4SAmritha Nambiar if (ice_is_forward_action(tc_fltr->action.fltr_act)) {
966390889a4SAmritha Nambiar dest_vsi = ice_tc_forward_action(vsi, tc_fltr);
967390889a4SAmritha Nambiar if (IS_ERR(dest_vsi))
968390889a4SAmritha Nambiar return PTR_ERR(dest_vsi);
969390889a4SAmritha Nambiar }
9709fea7498SKiran Patil
9719fea7498SKiran Patil lkups_cnt = ice_tc_count_lkups(flags, headers, tc_fltr);
9729fea7498SKiran Patil list = kcalloc(lkups_cnt, sizeof(*list), GFP_ATOMIC);
9739fea7498SKiran Patil if (!list)
9749fea7498SKiran Patil return -ENOMEM;
9759fea7498SKiran Patil
9769fea7498SKiran Patil i = ice_tc_fill_rules(hw, flags, tc_fltr, list, &rule_info, &l4_proto);
9779fea7498SKiran Patil if (i != lkups_cnt) {
9789fea7498SKiran Patil ret = -EINVAL;
9799fea7498SKiran Patil goto exit;
9809fea7498SKiran Patil }
9819fea7498SKiran Patil
9829fea7498SKiran Patil rule_info.sw_act.fltr_act = tc_fltr->action.fltr_act;
983143b86f3SAmritha Nambiar /* specify the cookie as filter_rule_id */
984143b86f3SAmritha Nambiar rule_info.fltr_rule_id = tc_fltr->cookie;
9859fea7498SKiran Patil
986143b86f3SAmritha Nambiar switch (tc_fltr->action.fltr_act) {
987143b86f3SAmritha Nambiar case ICE_FWD_TO_VSI:
988390889a4SAmritha Nambiar rule_info.sw_act.vsi_handle = dest_vsi->idx;
989143b86f3SAmritha Nambiar rule_info.priority = ICE_SWITCH_FLTR_PRIO_VSI;
9909fea7498SKiran Patil rule_info.sw_act.src = hw->pf_id;
9919fea7498SKiran Patil dev_dbg(dev, "add switch rule for TC:%u vsi_idx:%u, lkups_cnt:%u\n",
992143b86f3SAmritha Nambiar tc_fltr->action.fwd.tc.tc_class,
9939fea7498SKiran Patil rule_info.sw_act.vsi_handle, lkups_cnt);
994143b86f3SAmritha Nambiar break;
995143b86f3SAmritha Nambiar case ICE_FWD_TO_Q:
996143b86f3SAmritha Nambiar /* HW queue number in global space */
997143b86f3SAmritha Nambiar rule_info.sw_act.fwd_id.q_id = tc_fltr->action.fwd.q.hw_queue;
998390889a4SAmritha Nambiar rule_info.sw_act.vsi_handle = dest_vsi->idx;
999143b86f3SAmritha Nambiar rule_info.priority = ICE_SWITCH_FLTR_PRIO_QUEUE;
1000143b86f3SAmritha Nambiar rule_info.sw_act.src = hw->pf_id;
1001143b86f3SAmritha Nambiar dev_dbg(dev, "add switch rule action to forward to queue:%u (HW queue %u), lkups_cnt:%u\n",
1002143b86f3SAmritha Nambiar tc_fltr->action.fwd.q.queue,
1003143b86f3SAmritha Nambiar tc_fltr->action.fwd.q.hw_queue, lkups_cnt);
1004143b86f3SAmritha Nambiar break;
1005390889a4SAmritha Nambiar case ICE_DROP_PACKET:
1006390889a4SAmritha Nambiar rule_info.sw_act.flag |= ICE_FLTR_RX;
1007390889a4SAmritha Nambiar rule_info.sw_act.src = hw->pf_id;
1008143b86f3SAmritha Nambiar rule_info.priority = ICE_SWITCH_FLTR_PRIO_VSI;
1009143b86f3SAmritha Nambiar break;
1010390889a4SAmritha Nambiar default:
1011390889a4SAmritha Nambiar ret = -EOPNOTSUPP;
1012390889a4SAmritha Nambiar goto exit;
10139fea7498SKiran Patil }
10149fea7498SKiran Patil
10159fea7498SKiran Patil ret = ice_add_adv_rule(hw, list, lkups_cnt, &rule_info, &rule_added);
10169fea7498SKiran Patil if (ret == -EEXIST) {
10179fea7498SKiran Patil NL_SET_ERR_MSG_MOD(tc_fltr->extack,
10189fea7498SKiran Patil "Unable to add filter because it already exist");
10199fea7498SKiran Patil ret = -EINVAL;
10209fea7498SKiran Patil goto exit;
10219fea7498SKiran Patil } else if (ret) {
10229fea7498SKiran Patil NL_SET_ERR_MSG_MOD(tc_fltr->extack,
10239fea7498SKiran Patil "Unable to add filter due to error");
10249fea7498SKiran Patil goto exit;
10259fea7498SKiran Patil }
10269fea7498SKiran Patil
10279fea7498SKiran Patil /* store the output params, which are needed later for removing
10289fea7498SKiran Patil * advanced switch filter
10299fea7498SKiran Patil */
10309fea7498SKiran Patil tc_fltr->rid = rule_added.rid;
10319fea7498SKiran Patil tc_fltr->rule_id = rule_added.rule_id;
1032143b86f3SAmritha Nambiar tc_fltr->dest_vsi_handle = rule_added.vsi_handle;
1033143b86f3SAmritha Nambiar if (tc_fltr->action.fltr_act == ICE_FWD_TO_VSI ||
1034143b86f3SAmritha Nambiar tc_fltr->action.fltr_act == ICE_FWD_TO_Q) {
1035390889a4SAmritha Nambiar tc_fltr->dest_vsi = dest_vsi;
10369fea7498SKiran Patil /* keep track of advanced switch filter for
1037143b86f3SAmritha Nambiar * destination VSI
10389fea7498SKiran Patil */
1039390889a4SAmritha Nambiar dest_vsi->num_chnl_fltr++;
10409fea7498SKiran Patil
10419fea7498SKiran Patil /* keeps track of channel filters for PF VSI */
10429fea7498SKiran Patil if (vsi->type == ICE_VSI_PF &&
10439fea7498SKiran Patil (flags & (ICE_TC_FLWR_FIELD_DST_MAC |
10449fea7498SKiran Patil ICE_TC_FLWR_FIELD_ENC_DST_MAC)))
10459fea7498SKiran Patil pf->num_dmac_chnl_fltrs++;
10469fea7498SKiran Patil }
1047143b86f3SAmritha Nambiar switch (tc_fltr->action.fltr_act) {
1048143b86f3SAmritha Nambiar case ICE_FWD_TO_VSI:
1049143b86f3SAmritha Nambiar dev_dbg(dev, "added switch rule (lkups_cnt %u, flags 0x%x), action is forward to TC %u, rid %u, rule_id %u, vsi_idx %u\n",
10509fea7498SKiran Patil lkups_cnt, flags,
1051143b86f3SAmritha Nambiar tc_fltr->action.fwd.tc.tc_class, rule_added.rid,
10529fea7498SKiran Patil rule_added.rule_id, rule_added.vsi_handle);
1053143b86f3SAmritha Nambiar break;
1054143b86f3SAmritha Nambiar case ICE_FWD_TO_Q:
1055143b86f3SAmritha Nambiar dev_dbg(dev, "added switch rule (lkups_cnt %u, flags 0x%x), action is forward to queue: %u (HW queue %u) , rid %u, rule_id %u\n",
1056143b86f3SAmritha Nambiar lkups_cnt, flags, tc_fltr->action.fwd.q.queue,
1057143b86f3SAmritha Nambiar tc_fltr->action.fwd.q.hw_queue, rule_added.rid,
1058143b86f3SAmritha Nambiar rule_added.rule_id);
1059143b86f3SAmritha Nambiar break;
1060390889a4SAmritha Nambiar case ICE_DROP_PACKET:
1061390889a4SAmritha Nambiar dev_dbg(dev, "added switch rule (lkups_cnt %u, flags 0x%x), action is drop, rid %u, rule_id %u\n",
1062390889a4SAmritha Nambiar lkups_cnt, flags, rule_added.rid, rule_added.rule_id);
1063390889a4SAmritha Nambiar break;
1064143b86f3SAmritha Nambiar default:
1065143b86f3SAmritha Nambiar break;
1066143b86f3SAmritha Nambiar }
10679fea7498SKiran Patil exit:
10689fea7498SKiran Patil kfree(list);
10699fea7498SKiran Patil return ret;
10709fea7498SKiran Patil }
10719fea7498SKiran Patil
10729fea7498SKiran Patil /**
1073cd8efeeeSMarcin Szycik * ice_tc_set_pppoe - Parse PPPoE fields from TC flower filter
1074cd8efeeeSMarcin Szycik * @match: Pointer to flow match structure
1075cd8efeeeSMarcin Szycik * @fltr: Pointer to filter structure
1076cd8efeeeSMarcin Szycik * @headers: Pointer to outer header fields
1077cd8efeeeSMarcin Szycik * @returns PPP protocol used in filter (ppp_ses or ppp_disc)
1078cd8efeeeSMarcin Szycik */
1079cd8efeeeSMarcin Szycik static u16
ice_tc_set_pppoe(struct flow_match_pppoe * match,struct ice_tc_flower_fltr * fltr,struct ice_tc_flower_lyr_2_4_hdrs * headers)1080cd8efeeeSMarcin Szycik ice_tc_set_pppoe(struct flow_match_pppoe *match,
1081cd8efeeeSMarcin Szycik struct ice_tc_flower_fltr *fltr,
1082cd8efeeeSMarcin Szycik struct ice_tc_flower_lyr_2_4_hdrs *headers)
1083cd8efeeeSMarcin Szycik {
1084cd8efeeeSMarcin Szycik if (match->mask->session_id) {
1085cd8efeeeSMarcin Szycik fltr->flags |= ICE_TC_FLWR_FIELD_PPPOE_SESSID;
1086cd8efeeeSMarcin Szycik headers->pppoe_hdr.session_id = match->key->session_id;
1087cd8efeeeSMarcin Szycik }
1088cd8efeeeSMarcin Szycik
1089cd8efeeeSMarcin Szycik if (match->mask->ppp_proto) {
1090cd8efeeeSMarcin Szycik fltr->flags |= ICE_TC_FLWR_FIELD_PPP_PROTO;
1091cd8efeeeSMarcin Szycik headers->pppoe_hdr.ppp_proto = match->key->ppp_proto;
1092cd8efeeeSMarcin Szycik }
1093cd8efeeeSMarcin Szycik
1094cd8efeeeSMarcin Szycik return be16_to_cpu(match->key->type);
1095cd8efeeeSMarcin Szycik }
1096cd8efeeeSMarcin Szycik
1097cd8efeeeSMarcin Szycik /**
10980d08a441SKiran Patil * ice_tc_set_ipv4 - Parse IPv4 addresses from TC flower filter
10990d08a441SKiran Patil * @match: Pointer to flow match structure
11000d08a441SKiran Patil * @fltr: Pointer to filter structure
11010d08a441SKiran Patil * @headers: inner or outer header fields
11029e300987SMichal Swiatkowski * @is_encap: set true for tunnel IPv4 address
11030d08a441SKiran Patil */
11040d08a441SKiran Patil static int
ice_tc_set_ipv4(struct flow_match_ipv4_addrs * match,struct ice_tc_flower_fltr * fltr,struct ice_tc_flower_lyr_2_4_hdrs * headers,bool is_encap)11050d08a441SKiran Patil ice_tc_set_ipv4(struct flow_match_ipv4_addrs *match,
11060d08a441SKiran Patil struct ice_tc_flower_fltr *fltr,
11079e300987SMichal Swiatkowski struct ice_tc_flower_lyr_2_4_hdrs *headers, bool is_encap)
11080d08a441SKiran Patil {
11090d08a441SKiran Patil if (match->key->dst) {
11109e300987SMichal Swiatkowski if (is_encap)
11119e300987SMichal Swiatkowski fltr->flags |= ICE_TC_FLWR_FIELD_ENC_DEST_IPV4;
11129e300987SMichal Swiatkowski else
11130d08a441SKiran Patil fltr->flags |= ICE_TC_FLWR_FIELD_DEST_IPV4;
11140d08a441SKiran Patil headers->l3_key.dst_ipv4 = match->key->dst;
11150d08a441SKiran Patil headers->l3_mask.dst_ipv4 = match->mask->dst;
11160d08a441SKiran Patil }
11170d08a441SKiran Patil if (match->key->src) {
11189e300987SMichal Swiatkowski if (is_encap)
11199e300987SMichal Swiatkowski fltr->flags |= ICE_TC_FLWR_FIELD_ENC_SRC_IPV4;
11209e300987SMichal Swiatkowski else
11210d08a441SKiran Patil fltr->flags |= ICE_TC_FLWR_FIELD_SRC_IPV4;
11220d08a441SKiran Patil headers->l3_key.src_ipv4 = match->key->src;
11230d08a441SKiran Patil headers->l3_mask.src_ipv4 = match->mask->src;
11240d08a441SKiran Patil }
11250d08a441SKiran Patil return 0;
11260d08a441SKiran Patil }
11270d08a441SKiran Patil
11280d08a441SKiran Patil /**
11290d08a441SKiran Patil * ice_tc_set_ipv6 - Parse IPv6 addresses from TC flower filter
11300d08a441SKiran Patil * @match: Pointer to flow match structure
11310d08a441SKiran Patil * @fltr: Pointer to filter structure
11320d08a441SKiran Patil * @headers: inner or outer header fields
11339e300987SMichal Swiatkowski * @is_encap: set true for tunnel IPv6 address
11340d08a441SKiran Patil */
11350d08a441SKiran Patil static int
ice_tc_set_ipv6(struct flow_match_ipv6_addrs * match,struct ice_tc_flower_fltr * fltr,struct ice_tc_flower_lyr_2_4_hdrs * headers,bool is_encap)11360d08a441SKiran Patil ice_tc_set_ipv6(struct flow_match_ipv6_addrs *match,
11370d08a441SKiran Patil struct ice_tc_flower_fltr *fltr,
11389e300987SMichal Swiatkowski struct ice_tc_flower_lyr_2_4_hdrs *headers, bool is_encap)
11390d08a441SKiran Patil {
11400d08a441SKiran Patil struct ice_tc_l3_hdr *l3_key, *l3_mask;
11410d08a441SKiran Patil
11420d08a441SKiran Patil /* src and dest IPV6 address should not be LOOPBACK
11430d08a441SKiran Patil * (0:0:0:0:0:0:0:1), which can be represented as ::1
11440d08a441SKiran Patil */
11450d08a441SKiran Patil if (ipv6_addr_loopback(&match->key->dst) ||
11460d08a441SKiran Patil ipv6_addr_loopback(&match->key->src)) {
11470d08a441SKiran Patil NL_SET_ERR_MSG_MOD(fltr->extack, "Bad IPv6, addr is LOOPBACK");
11480d08a441SKiran Patil return -EINVAL;
11490d08a441SKiran Patil }
11500d08a441SKiran Patil /* if src/dest IPv6 address is *,* error */
11510d08a441SKiran Patil if (ipv6_addr_any(&match->mask->dst) &&
11520d08a441SKiran Patil ipv6_addr_any(&match->mask->src)) {
11530d08a441SKiran Patil NL_SET_ERR_MSG_MOD(fltr->extack, "Bad src/dest IPv6, addr is any");
11540d08a441SKiran Patil return -EINVAL;
11550d08a441SKiran Patil }
11569e300987SMichal Swiatkowski if (!ipv6_addr_any(&match->mask->dst)) {
11579e300987SMichal Swiatkowski if (is_encap)
11589e300987SMichal Swiatkowski fltr->flags |= ICE_TC_FLWR_FIELD_ENC_DEST_IPV6;
11599e300987SMichal Swiatkowski else
11600d08a441SKiran Patil fltr->flags |= ICE_TC_FLWR_FIELD_DEST_IPV6;
11619e300987SMichal Swiatkowski }
11629e300987SMichal Swiatkowski if (!ipv6_addr_any(&match->mask->src)) {
11639e300987SMichal Swiatkowski if (is_encap)
11649e300987SMichal Swiatkowski fltr->flags |= ICE_TC_FLWR_FIELD_ENC_SRC_IPV6;
11659e300987SMichal Swiatkowski else
11660d08a441SKiran Patil fltr->flags |= ICE_TC_FLWR_FIELD_SRC_IPV6;
11679e300987SMichal Swiatkowski }
11680d08a441SKiran Patil
11690d08a441SKiran Patil l3_key = &headers->l3_key;
11700d08a441SKiran Patil l3_mask = &headers->l3_mask;
11710d08a441SKiran Patil
11729e300987SMichal Swiatkowski if (fltr->flags & (ICE_TC_FLWR_FIELD_ENC_SRC_IPV6 |
11739e300987SMichal Swiatkowski ICE_TC_FLWR_FIELD_SRC_IPV6)) {
11740d08a441SKiran Patil memcpy(&l3_key->src_ipv6_addr, &match->key->src.s6_addr,
11750d08a441SKiran Patil sizeof(match->key->src.s6_addr));
11760d08a441SKiran Patil memcpy(&l3_mask->src_ipv6_addr, &match->mask->src.s6_addr,
11770d08a441SKiran Patil sizeof(match->mask->src.s6_addr));
11780d08a441SKiran Patil }
11799e300987SMichal Swiatkowski if (fltr->flags & (ICE_TC_FLWR_FIELD_ENC_DEST_IPV6 |
11809e300987SMichal Swiatkowski ICE_TC_FLWR_FIELD_DEST_IPV6)) {
11810d08a441SKiran Patil memcpy(&l3_key->dst_ipv6_addr, &match->key->dst.s6_addr,
11820d08a441SKiran Patil sizeof(match->key->dst.s6_addr));
11830d08a441SKiran Patil memcpy(&l3_mask->dst_ipv6_addr, &match->mask->dst.s6_addr,
11840d08a441SKiran Patil sizeof(match->mask->dst.s6_addr));
11850d08a441SKiran Patil }
11860d08a441SKiran Patil
11870d08a441SKiran Patil return 0;
11880d08a441SKiran Patil }
11890d08a441SKiran Patil
11900d08a441SKiran Patil /**
11914c99bc96SMarcin Szycik * ice_tc_set_tos_ttl - Parse IP ToS/TTL from TC flower filter
11924c99bc96SMarcin Szycik * @match: Pointer to flow match structure
11934c99bc96SMarcin Szycik * @fltr: Pointer to filter structure
11944c99bc96SMarcin Szycik * @headers: inner or outer header fields
11954c99bc96SMarcin Szycik * @is_encap: set true for tunnel
11964c99bc96SMarcin Szycik */
11974c99bc96SMarcin Szycik static void
ice_tc_set_tos_ttl(struct flow_match_ip * match,struct ice_tc_flower_fltr * fltr,struct ice_tc_flower_lyr_2_4_hdrs * headers,bool is_encap)11984c99bc96SMarcin Szycik ice_tc_set_tos_ttl(struct flow_match_ip *match,
11994c99bc96SMarcin Szycik struct ice_tc_flower_fltr *fltr,
12004c99bc96SMarcin Szycik struct ice_tc_flower_lyr_2_4_hdrs *headers,
12014c99bc96SMarcin Szycik bool is_encap)
12024c99bc96SMarcin Szycik {
12034c99bc96SMarcin Szycik if (match->mask->tos) {
12044c99bc96SMarcin Szycik if (is_encap)
12054c99bc96SMarcin Szycik fltr->flags |= ICE_TC_FLWR_FIELD_ENC_IP_TOS;
12064c99bc96SMarcin Szycik else
12074c99bc96SMarcin Szycik fltr->flags |= ICE_TC_FLWR_FIELD_IP_TOS;
12084c99bc96SMarcin Szycik
12094c99bc96SMarcin Szycik headers->l3_key.tos = match->key->tos;
12104c99bc96SMarcin Szycik headers->l3_mask.tos = match->mask->tos;
12114c99bc96SMarcin Szycik }
12124c99bc96SMarcin Szycik
12134c99bc96SMarcin Szycik if (match->mask->ttl) {
12144c99bc96SMarcin Szycik if (is_encap)
12154c99bc96SMarcin Szycik fltr->flags |= ICE_TC_FLWR_FIELD_ENC_IP_TTL;
12164c99bc96SMarcin Szycik else
12174c99bc96SMarcin Szycik fltr->flags |= ICE_TC_FLWR_FIELD_IP_TTL;
12184c99bc96SMarcin Szycik
12194c99bc96SMarcin Szycik headers->l3_key.ttl = match->key->ttl;
12204c99bc96SMarcin Szycik headers->l3_mask.ttl = match->mask->ttl;
12214c99bc96SMarcin Szycik }
12224c99bc96SMarcin Szycik }
12234c99bc96SMarcin Szycik
12244c99bc96SMarcin Szycik /**
12250d08a441SKiran Patil * ice_tc_set_port - Parse ports from TC flower filter
12260d08a441SKiran Patil * @match: Flow match structure
12270d08a441SKiran Patil * @fltr: Pointer to filter structure
12280d08a441SKiran Patil * @headers: inner or outer header fields
12299e300987SMichal Swiatkowski * @is_encap: set true for tunnel port
12300d08a441SKiran Patil */
12310d08a441SKiran Patil static int
ice_tc_set_port(struct flow_match_ports match,struct ice_tc_flower_fltr * fltr,struct ice_tc_flower_lyr_2_4_hdrs * headers,bool is_encap)12320d08a441SKiran Patil ice_tc_set_port(struct flow_match_ports match,
12330d08a441SKiran Patil struct ice_tc_flower_fltr *fltr,
12349e300987SMichal Swiatkowski struct ice_tc_flower_lyr_2_4_hdrs *headers, bool is_encap)
12350d08a441SKiran Patil {
12360d08a441SKiran Patil if (match.key->dst) {
12379e300987SMichal Swiatkowski if (is_encap)
12389e300987SMichal Swiatkowski fltr->flags |= ICE_TC_FLWR_FIELD_ENC_DEST_L4_PORT;
12399e300987SMichal Swiatkowski else
12409e300987SMichal Swiatkowski fltr->flags |= ICE_TC_FLWR_FIELD_DEST_L4_PORT;
1241932645c2SMichal Swiatkowski
12420d08a441SKiran Patil headers->l4_key.dst_port = match.key->dst;
12430d08a441SKiran Patil headers->l4_mask.dst_port = match.mask->dst;
12440d08a441SKiran Patil }
12450d08a441SKiran Patil if (match.key->src) {
12469e300987SMichal Swiatkowski if (is_encap)
12479e300987SMichal Swiatkowski fltr->flags |= ICE_TC_FLWR_FIELD_ENC_SRC_L4_PORT;
12489e300987SMichal Swiatkowski else
12499e300987SMichal Swiatkowski fltr->flags |= ICE_TC_FLWR_FIELD_SRC_L4_PORT;
1250932645c2SMichal Swiatkowski
12510d08a441SKiran Patil headers->l4_key.src_port = match.key->src;
12520d08a441SKiran Patil headers->l4_mask.src_port = match.mask->src;
12530d08a441SKiran Patil }
12540d08a441SKiran Patil return 0;
12550d08a441SKiran Patil }
12560d08a441SKiran Patil
12579e300987SMichal Swiatkowski static struct net_device *
ice_get_tunnel_device(struct net_device * dev,struct flow_rule * rule)12589e300987SMichal Swiatkowski ice_get_tunnel_device(struct net_device *dev, struct flow_rule *rule)
12599e300987SMichal Swiatkowski {
12609e300987SMichal Swiatkowski struct flow_action_entry *act;
12619e300987SMichal Swiatkowski int i;
12629e300987SMichal Swiatkowski
12639e300987SMichal Swiatkowski if (ice_is_tunnel_supported(dev))
12649e300987SMichal Swiatkowski return dev;
12659e300987SMichal Swiatkowski
12669e300987SMichal Swiatkowski flow_action_for_each(i, act, &rule->action) {
12679e300987SMichal Swiatkowski if (act->id == FLOW_ACTION_REDIRECT &&
12689e300987SMichal Swiatkowski ice_is_tunnel_supported(act->dev))
12699e300987SMichal Swiatkowski return act->dev;
12709e300987SMichal Swiatkowski }
12719e300987SMichal Swiatkowski
12729e300987SMichal Swiatkowski return NULL;
12739e300987SMichal Swiatkowski }
12749e300987SMichal Swiatkowski
12759a225f81SMarcin Szycik /**
12769a225f81SMarcin Szycik * ice_parse_gtp_type - Sets GTP tunnel type to GTP-U or GTP-C
12779a225f81SMarcin Szycik * @match: Flow match structure
12789a225f81SMarcin Szycik * @fltr: Pointer to filter structure
12799a225f81SMarcin Szycik *
12809a225f81SMarcin Szycik * GTP-C/GTP-U is selected based on destination port number (enc_dst_port).
12819a225f81SMarcin Szycik * Before calling this funtcion, fltr->tunnel_type should be set to TNL_GTPU,
12829a225f81SMarcin Szycik * therefore making GTP-U the default choice (when destination port number is
12839a225f81SMarcin Szycik * not specified).
12849a225f81SMarcin Szycik */
12859a225f81SMarcin Szycik static int
ice_parse_gtp_type(struct flow_match_ports match,struct ice_tc_flower_fltr * fltr)12869a225f81SMarcin Szycik ice_parse_gtp_type(struct flow_match_ports match,
12879a225f81SMarcin Szycik struct ice_tc_flower_fltr *fltr)
12889a225f81SMarcin Szycik {
12899a225f81SMarcin Szycik u16 dst_port;
12909a225f81SMarcin Szycik
12919a225f81SMarcin Szycik if (match.key->dst) {
12929a225f81SMarcin Szycik dst_port = be16_to_cpu(match.key->dst);
12939a225f81SMarcin Szycik
12949a225f81SMarcin Szycik switch (dst_port) {
12959a225f81SMarcin Szycik case 2152:
12969a225f81SMarcin Szycik break;
12979a225f81SMarcin Szycik case 2123:
12989a225f81SMarcin Szycik fltr->tunnel_type = TNL_GTPC;
12999a225f81SMarcin Szycik break;
13009a225f81SMarcin Szycik default:
13019a225f81SMarcin Szycik NL_SET_ERR_MSG_MOD(fltr->extack, "Unsupported GTP port number");
13029a225f81SMarcin Szycik return -EINVAL;
13039a225f81SMarcin Szycik }
13049a225f81SMarcin Szycik }
13059a225f81SMarcin Szycik
13069a225f81SMarcin Szycik return 0;
13079a225f81SMarcin Szycik }
13089a225f81SMarcin Szycik
13099e300987SMichal Swiatkowski static int
ice_parse_tunnel_attr(struct net_device * dev,struct flow_rule * rule,struct ice_tc_flower_fltr * fltr)13109e300987SMichal Swiatkowski ice_parse_tunnel_attr(struct net_device *dev, struct flow_rule *rule,
13119e300987SMichal Swiatkowski struct ice_tc_flower_fltr *fltr)
13129e300987SMichal Swiatkowski {
13139e300987SMichal Swiatkowski struct ice_tc_flower_lyr_2_4_hdrs *headers = &fltr->outer_headers;
13149e300987SMichal Swiatkowski struct flow_match_control enc_control;
13159e300987SMichal Swiatkowski
13169e300987SMichal Swiatkowski fltr->tunnel_type = ice_tc_tun_get_type(dev);
13179e300987SMichal Swiatkowski headers->l3_key.ip_proto = IPPROTO_UDP;
13189e300987SMichal Swiatkowski
13199e300987SMichal Swiatkowski if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_KEYID)) {
13209e300987SMichal Swiatkowski struct flow_match_enc_keyid enc_keyid;
13219e300987SMichal Swiatkowski
13229e300987SMichal Swiatkowski flow_rule_match_enc_keyid(rule, &enc_keyid);
13239e300987SMichal Swiatkowski
13249e300987SMichal Swiatkowski if (!enc_keyid.mask->keyid ||
13259e300987SMichal Swiatkowski enc_keyid.mask->keyid != cpu_to_be32(ICE_TC_FLOWER_MASK_32))
13269e300987SMichal Swiatkowski return -EINVAL;
13279e300987SMichal Swiatkowski
13289e300987SMichal Swiatkowski fltr->flags |= ICE_TC_FLWR_FIELD_TENANT_ID;
13299e300987SMichal Swiatkowski fltr->tenant_id = enc_keyid.key->keyid;
13309e300987SMichal Swiatkowski }
13319e300987SMichal Swiatkowski
13329e300987SMichal Swiatkowski flow_rule_match_enc_control(rule, &enc_control);
13339e300987SMichal Swiatkowski
13349e300987SMichal Swiatkowski if (enc_control.key->addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) {
13359e300987SMichal Swiatkowski struct flow_match_ipv4_addrs match;
13369e300987SMichal Swiatkowski
13379e300987SMichal Swiatkowski flow_rule_match_enc_ipv4_addrs(rule, &match);
13389e300987SMichal Swiatkowski if (ice_tc_set_ipv4(&match, fltr, headers, true))
13399e300987SMichal Swiatkowski return -EINVAL;
13409e300987SMichal Swiatkowski } else if (enc_control.key->addr_type ==
13419e300987SMichal Swiatkowski FLOW_DISSECTOR_KEY_IPV6_ADDRS) {
13429e300987SMichal Swiatkowski struct flow_match_ipv6_addrs match;
13439e300987SMichal Swiatkowski
13449e300987SMichal Swiatkowski flow_rule_match_enc_ipv6_addrs(rule, &match);
13459e300987SMichal Swiatkowski if (ice_tc_set_ipv6(&match, fltr, headers, true))
13469e300987SMichal Swiatkowski return -EINVAL;
13479e300987SMichal Swiatkowski }
13489e300987SMichal Swiatkowski
13499e300987SMichal Swiatkowski if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IP)) {
13509e300987SMichal Swiatkowski struct flow_match_ip match;
13519e300987SMichal Swiatkowski
13529e300987SMichal Swiatkowski flow_rule_match_enc_ip(rule, &match);
13534c99bc96SMarcin Szycik ice_tc_set_tos_ttl(&match, fltr, headers, true);
13549e300987SMichal Swiatkowski }
13559e300987SMichal Swiatkowski
1356de6acd1cSMichal Swiatkowski if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_PORTS) &&
1357de6acd1cSMichal Swiatkowski fltr->tunnel_type != TNL_VXLAN && fltr->tunnel_type != TNL_GENEVE) {
13589e300987SMichal Swiatkowski struct flow_match_ports match;
13599e300987SMichal Swiatkowski
13609e300987SMichal Swiatkowski flow_rule_match_enc_ports(rule, &match);
13619a225f81SMarcin Szycik
13629a225f81SMarcin Szycik if (fltr->tunnel_type != TNL_GTPU) {
13639e300987SMichal Swiatkowski if (ice_tc_set_port(match, fltr, headers, true))
13649e300987SMichal Swiatkowski return -EINVAL;
13659a225f81SMarcin Szycik } else {
13669a225f81SMarcin Szycik if (ice_parse_gtp_type(match, fltr))
13679a225f81SMarcin Szycik return -EINVAL;
13689a225f81SMarcin Szycik }
13699a225f81SMarcin Szycik }
13709a225f81SMarcin Szycik
13719a225f81SMarcin Szycik if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_OPTS)) {
13729a225f81SMarcin Szycik struct flow_match_enc_opts match;
13739a225f81SMarcin Szycik
13749a225f81SMarcin Szycik flow_rule_match_enc_opts(rule, &match);
13759a225f81SMarcin Szycik
13769a225f81SMarcin Szycik memcpy(&fltr->gtp_pdu_info_keys, &match.key->data[0],
13779a225f81SMarcin Szycik sizeof(struct gtp_pdu_session_info));
13789a225f81SMarcin Szycik
13799a225f81SMarcin Szycik memcpy(&fltr->gtp_pdu_info_masks, &match.mask->data[0],
13809a225f81SMarcin Szycik sizeof(struct gtp_pdu_session_info));
13819a225f81SMarcin Szycik
13829a225f81SMarcin Szycik fltr->flags |= ICE_TC_FLWR_FIELD_ENC_OPTS;
13839e300987SMichal Swiatkowski }
13849e300987SMichal Swiatkowski
13859e300987SMichal Swiatkowski return 0;
13869e300987SMichal Swiatkowski }
13879e300987SMichal Swiatkowski
13880d08a441SKiran Patil /**
13890d08a441SKiran Patil * ice_parse_cls_flower - Parse TC flower filters provided by kernel
13900d08a441SKiran Patil * @vsi: Pointer to the VSI
13910d08a441SKiran Patil * @filter_dev: Pointer to device on which filter is being added
13920d08a441SKiran Patil * @f: Pointer to struct flow_cls_offload
13930d08a441SKiran Patil * @fltr: Pointer to filter structure
13940d08a441SKiran Patil */
13950d08a441SKiran Patil static int
ice_parse_cls_flower(struct net_device * filter_dev,struct ice_vsi * vsi,struct flow_cls_offload * f,struct ice_tc_flower_fltr * fltr)13960d08a441SKiran Patil ice_parse_cls_flower(struct net_device *filter_dev, struct ice_vsi *vsi,
13970d08a441SKiran Patil struct flow_cls_offload *f,
13980d08a441SKiran Patil struct ice_tc_flower_fltr *fltr)
13990d08a441SKiran Patil {
14000d08a441SKiran Patil struct ice_tc_flower_lyr_2_4_hdrs *headers = &fltr->outer_headers;
14010d08a441SKiran Patil struct flow_rule *rule = flow_cls_offload_flow_rule(f);
14020d08a441SKiran Patil u16 n_proto_mask = 0, n_proto_key = 0, addr_type = 0;
14030d08a441SKiran Patil struct flow_dissector *dissector;
1404f0a35040SMichal Swiatkowski struct net_device *tunnel_dev;
14050d08a441SKiran Patil
14060d08a441SKiran Patil dissector = rule->match.dissector;
14070d08a441SKiran Patil
14080d08a441SKiran Patil if (dissector->used_keys &
14092b3082c6SRatheesh Kannoth ~(BIT_ULL(FLOW_DISSECTOR_KEY_CONTROL) |
14102b3082c6SRatheesh Kannoth BIT_ULL(FLOW_DISSECTOR_KEY_BASIC) |
14112b3082c6SRatheesh Kannoth BIT_ULL(FLOW_DISSECTOR_KEY_ETH_ADDRS) |
14122b3082c6SRatheesh Kannoth BIT_ULL(FLOW_DISSECTOR_KEY_VLAN) |
14132b3082c6SRatheesh Kannoth BIT_ULL(FLOW_DISSECTOR_KEY_CVLAN) |
14142b3082c6SRatheesh Kannoth BIT_ULL(FLOW_DISSECTOR_KEY_IPV4_ADDRS) |
14152b3082c6SRatheesh Kannoth BIT_ULL(FLOW_DISSECTOR_KEY_IPV6_ADDRS) |
14162b3082c6SRatheesh Kannoth BIT_ULL(FLOW_DISSECTOR_KEY_ENC_CONTROL) |
14172b3082c6SRatheesh Kannoth BIT_ULL(FLOW_DISSECTOR_KEY_ENC_KEYID) |
14182b3082c6SRatheesh Kannoth BIT_ULL(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) |
14192b3082c6SRatheesh Kannoth BIT_ULL(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) |
14202b3082c6SRatheesh Kannoth BIT_ULL(FLOW_DISSECTOR_KEY_ENC_PORTS) |
14212b3082c6SRatheesh Kannoth BIT_ULL(FLOW_DISSECTOR_KEY_ENC_OPTS) |
14222b3082c6SRatheesh Kannoth BIT_ULL(FLOW_DISSECTOR_KEY_IP) |
14232b3082c6SRatheesh Kannoth BIT_ULL(FLOW_DISSECTOR_KEY_ENC_IP) |
14242b3082c6SRatheesh Kannoth BIT_ULL(FLOW_DISSECTOR_KEY_PORTS) |
14252b3082c6SRatheesh Kannoth BIT_ULL(FLOW_DISSECTOR_KEY_PPPOE) |
14262b3082c6SRatheesh Kannoth BIT_ULL(FLOW_DISSECTOR_KEY_L2TPV3))) {
14270d08a441SKiran Patil NL_SET_ERR_MSG_MOD(fltr->extack, "Unsupported key used");
14280d08a441SKiran Patil return -EOPNOTSUPP;
14290d08a441SKiran Patil }
14300d08a441SKiran Patil
1431f0a35040SMichal Swiatkowski tunnel_dev = ice_get_tunnel_device(filter_dev, rule);
1432f0a35040SMichal Swiatkowski if (tunnel_dev) {
14339e300987SMichal Swiatkowski int err;
14349e300987SMichal Swiatkowski
1435f0a35040SMichal Swiatkowski filter_dev = tunnel_dev;
14369e300987SMichal Swiatkowski
14379e300987SMichal Swiatkowski err = ice_parse_tunnel_attr(filter_dev, rule, fltr);
14389e300987SMichal Swiatkowski if (err) {
14399e300987SMichal Swiatkowski NL_SET_ERR_MSG_MOD(fltr->extack, "Failed to parse TC flower tunnel attributes");
14409e300987SMichal Swiatkowski return err;
14419e300987SMichal Swiatkowski }
14429e300987SMichal Swiatkowski
14439e300987SMichal Swiatkowski /* header pointers should point to the inner headers, outer
14449e300987SMichal Swiatkowski * header were already set by ice_parse_tunnel_attr
14459e300987SMichal Swiatkowski */
14469e300987SMichal Swiatkowski headers = &fltr->inner_headers;
1447f0a35040SMichal Swiatkowski } else if (dissector->used_keys &
14482b3082c6SRatheesh Kannoth (BIT_ULL(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) |
14492b3082c6SRatheesh Kannoth BIT_ULL(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) |
14502b3082c6SRatheesh Kannoth BIT_ULL(FLOW_DISSECTOR_KEY_ENC_KEYID) |
14510ada9981SMarcin Szycik BIT_ULL(FLOW_DISSECTOR_KEY_ENC_PORTS) |
14520ada9981SMarcin Szycik BIT_ULL(FLOW_DISSECTOR_KEY_ENC_IP) |
14530ada9981SMarcin Szycik BIT_ULL(FLOW_DISSECTOR_KEY_ENC_OPTS) |
14540ada9981SMarcin Szycik BIT_ULL(FLOW_DISSECTOR_KEY_ENC_CONTROL))) {
1455f0a35040SMichal Swiatkowski NL_SET_ERR_MSG_MOD(fltr->extack, "Tunnel key used, but device isn't a tunnel");
1456f0a35040SMichal Swiatkowski return -EOPNOTSUPP;
14579e300987SMichal Swiatkowski } else {
14589e300987SMichal Swiatkowski fltr->tunnel_type = TNL_LAST;
14599e300987SMichal Swiatkowski }
14609e300987SMichal Swiatkowski
14610d08a441SKiran Patil if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) {
14620d08a441SKiran Patil struct flow_match_basic match;
14630d08a441SKiran Patil
14640d08a441SKiran Patil flow_rule_match_basic(rule, &match);
14650d08a441SKiran Patil
14660d08a441SKiran Patil n_proto_key = ntohs(match.key->n_proto);
14670d08a441SKiran Patil n_proto_mask = ntohs(match.mask->n_proto);
14680d08a441SKiran Patil
1469d4ea6f63SMarcin Szycik if (n_proto_key == ETH_P_ALL || n_proto_key == 0 ||
1470d4ea6f63SMarcin Szycik fltr->tunnel_type == TNL_GTPU ||
1471d4ea6f63SMarcin Szycik fltr->tunnel_type == TNL_GTPC) {
14720d08a441SKiran Patil n_proto_key = 0;
14730d08a441SKiran Patil n_proto_mask = 0;
14740d08a441SKiran Patil } else {
14750d08a441SKiran Patil fltr->flags |= ICE_TC_FLWR_FIELD_ETH_TYPE_ID;
14760d08a441SKiran Patil }
14770d08a441SKiran Patil
14780d08a441SKiran Patil headers->l2_key.n_proto = cpu_to_be16(n_proto_key);
14790d08a441SKiran Patil headers->l2_mask.n_proto = cpu_to_be16(n_proto_mask);
14800d08a441SKiran Patil headers->l3_key.ip_proto = match.key->ip_proto;
14810d08a441SKiran Patil }
14820d08a441SKiran Patil
14830d08a441SKiran Patil if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) {
14840d08a441SKiran Patil struct flow_match_eth_addrs match;
14850d08a441SKiran Patil
14860d08a441SKiran Patil flow_rule_match_eth_addrs(rule, &match);
14870d08a441SKiran Patil
14880d08a441SKiran Patil if (!is_zero_ether_addr(match.key->dst)) {
14890d08a441SKiran Patil ether_addr_copy(headers->l2_key.dst_mac,
14900d08a441SKiran Patil match.key->dst);
14910d08a441SKiran Patil ether_addr_copy(headers->l2_mask.dst_mac,
14920d08a441SKiran Patil match.mask->dst);
14930d08a441SKiran Patil fltr->flags |= ICE_TC_FLWR_FIELD_DST_MAC;
14940d08a441SKiran Patil }
14950d08a441SKiran Patil
14960d08a441SKiran Patil if (!is_zero_ether_addr(match.key->src)) {
14970d08a441SKiran Patil ether_addr_copy(headers->l2_key.src_mac,
14980d08a441SKiran Patil match.key->src);
14990d08a441SKiran Patil ether_addr_copy(headers->l2_mask.src_mac,
15000d08a441SKiran Patil match.mask->src);
15010d08a441SKiran Patil fltr->flags |= ICE_TC_FLWR_FIELD_SRC_MAC;
15020d08a441SKiran Patil }
15030d08a441SKiran Patil }
15040d08a441SKiran Patil
15050d08a441SKiran Patil if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN) ||
15060d08a441SKiran Patil is_vlan_dev(filter_dev)) {
15070d08a441SKiran Patil struct flow_dissector_key_vlan mask;
15080d08a441SKiran Patil struct flow_dissector_key_vlan key;
15090d08a441SKiran Patil struct flow_match_vlan match;
15100d08a441SKiran Patil
15110d08a441SKiran Patil if (is_vlan_dev(filter_dev)) {
15120d08a441SKiran Patil match.key = &key;
15130d08a441SKiran Patil match.key->vlan_id = vlan_dev_vlan_id(filter_dev);
15140d08a441SKiran Patil match.key->vlan_priority = 0;
15150d08a441SKiran Patil match.mask = &mask;
15160d08a441SKiran Patil memset(match.mask, 0xff, sizeof(*match.mask));
15170d08a441SKiran Patil match.mask->vlan_priority = 0;
15180d08a441SKiran Patil } else {
15190d08a441SKiran Patil flow_rule_match_vlan(rule, &match);
15200d08a441SKiran Patil }
15210d08a441SKiran Patil
15220d08a441SKiran Patil if (match.mask->vlan_id) {
15230d08a441SKiran Patil if (match.mask->vlan_id == VLAN_VID_MASK) {
15240d08a441SKiran Patil fltr->flags |= ICE_TC_FLWR_FIELD_VLAN;
152534800178SMartyna Szapar-Mudlaw headers->vlan_hdr.vlan_id =
152634800178SMartyna Szapar-Mudlaw cpu_to_be16(match.key->vlan_id &
152734800178SMartyna Szapar-Mudlaw VLAN_VID_MASK);
15280d08a441SKiran Patil } else {
15290d08a441SKiran Patil NL_SET_ERR_MSG_MOD(fltr->extack, "Bad VLAN mask");
15300d08a441SKiran Patil return -EINVAL;
15310d08a441SKiran Patil }
15320d08a441SKiran Patil }
15330d08a441SKiran Patil
153434800178SMartyna Szapar-Mudlaw if (match.mask->vlan_priority) {
153534800178SMartyna Szapar-Mudlaw fltr->flags |= ICE_TC_FLWR_FIELD_VLAN_PRIO;
153634800178SMartyna Szapar-Mudlaw headers->vlan_hdr.vlan_prio =
15378f5c5a79SArnd Bergmann be16_encode_bits(match.key->vlan_priority,
15388f5c5a79SArnd Bergmann VLAN_PRIO_MASK);
153934800178SMartyna Szapar-Mudlaw }
154034800178SMartyna Szapar-Mudlaw
154103592a14SMichal Swiatkowski if (match.mask->vlan_tpid) {
1542ea71b967SMartyna Szapar-Mudlaw headers->vlan_hdr.vlan_tpid = match.key->vlan_tpid;
154303592a14SMichal Swiatkowski fltr->flags |= ICE_TC_FLWR_FIELD_VLAN_TPID;
154403592a14SMichal Swiatkowski }
15450d08a441SKiran Patil }
15460d08a441SKiran Patil
154706bca7c2SMartyna Szapar-Mudlaw if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) {
154806bca7c2SMartyna Szapar-Mudlaw struct flow_match_vlan match;
154906bca7c2SMartyna Szapar-Mudlaw
155006bca7c2SMartyna Szapar-Mudlaw if (!ice_is_dvm_ena(&vsi->back->hw)) {
155106bca7c2SMartyna Szapar-Mudlaw NL_SET_ERR_MSG_MOD(fltr->extack, "Double VLAN mode is not enabled");
155206bca7c2SMartyna Szapar-Mudlaw return -EINVAL;
155306bca7c2SMartyna Szapar-Mudlaw }
155406bca7c2SMartyna Szapar-Mudlaw
155506bca7c2SMartyna Szapar-Mudlaw flow_rule_match_cvlan(rule, &match);
155606bca7c2SMartyna Szapar-Mudlaw
155706bca7c2SMartyna Szapar-Mudlaw if (match.mask->vlan_id) {
155806bca7c2SMartyna Szapar-Mudlaw if (match.mask->vlan_id == VLAN_VID_MASK) {
155906bca7c2SMartyna Szapar-Mudlaw fltr->flags |= ICE_TC_FLWR_FIELD_CVLAN;
156034800178SMartyna Szapar-Mudlaw headers->cvlan_hdr.vlan_id =
156134800178SMartyna Szapar-Mudlaw cpu_to_be16(match.key->vlan_id &
156234800178SMartyna Szapar-Mudlaw VLAN_VID_MASK);
156306bca7c2SMartyna Szapar-Mudlaw } else {
156406bca7c2SMartyna Szapar-Mudlaw NL_SET_ERR_MSG_MOD(fltr->extack,
156506bca7c2SMartyna Szapar-Mudlaw "Bad CVLAN mask");
156606bca7c2SMartyna Szapar-Mudlaw return -EINVAL;
156706bca7c2SMartyna Szapar-Mudlaw }
156806bca7c2SMartyna Szapar-Mudlaw }
156906bca7c2SMartyna Szapar-Mudlaw
157034800178SMartyna Szapar-Mudlaw if (match.mask->vlan_priority) {
157134800178SMartyna Szapar-Mudlaw fltr->flags |= ICE_TC_FLWR_FIELD_CVLAN_PRIO;
157234800178SMartyna Szapar-Mudlaw headers->cvlan_hdr.vlan_prio =
15738f5c5a79SArnd Bergmann be16_encode_bits(match.key->vlan_priority,
15748f5c5a79SArnd Bergmann VLAN_PRIO_MASK);
157534800178SMartyna Szapar-Mudlaw }
157606bca7c2SMartyna Szapar-Mudlaw }
157706bca7c2SMartyna Szapar-Mudlaw
1578cd8efeeeSMarcin Szycik if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PPPOE)) {
1579cd8efeeeSMarcin Szycik struct flow_match_pppoe match;
1580cd8efeeeSMarcin Szycik
1581cd8efeeeSMarcin Szycik flow_rule_match_pppoe(rule, &match);
1582cd8efeeeSMarcin Szycik n_proto_key = ice_tc_set_pppoe(&match, fltr, headers);
1583cd8efeeeSMarcin Szycik
1584cd8efeeeSMarcin Szycik /* If ethertype equals ETH_P_PPP_SES, n_proto might be
1585cd8efeeeSMarcin Szycik * overwritten by encapsulated protocol (ppp_proto field) or set
1586cd8efeeeSMarcin Szycik * to 0. To correct this, flow_match_pppoe provides the type
1587cd8efeeeSMarcin Szycik * field, which contains the actual ethertype (ETH_P_PPP_SES).
1588cd8efeeeSMarcin Szycik */
1589cd8efeeeSMarcin Szycik headers->l2_key.n_proto = cpu_to_be16(n_proto_key);
1590cd8efeeeSMarcin Szycik headers->l2_mask.n_proto = cpu_to_be16(0xFFFF);
1591cd8efeeeSMarcin Szycik fltr->flags |= ICE_TC_FLWR_FIELD_ETH_TYPE_ID;
1592cd8efeeeSMarcin Szycik }
1593cd8efeeeSMarcin Szycik
15940d08a441SKiran Patil if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) {
15950d08a441SKiran Patil struct flow_match_control match;
15960d08a441SKiran Patil
15970d08a441SKiran Patil flow_rule_match_control(rule, &match);
15980d08a441SKiran Patil
15990d08a441SKiran Patil addr_type = match.key->addr_type;
16000d08a441SKiran Patil }
16010d08a441SKiran Patil
16020d08a441SKiran Patil if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) {
16030d08a441SKiran Patil struct flow_match_ipv4_addrs match;
16040d08a441SKiran Patil
16050d08a441SKiran Patil flow_rule_match_ipv4_addrs(rule, &match);
16069e300987SMichal Swiatkowski if (ice_tc_set_ipv4(&match, fltr, headers, false))
16070d08a441SKiran Patil return -EINVAL;
16080d08a441SKiran Patil }
16090d08a441SKiran Patil
16100d08a441SKiran Patil if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) {
16110d08a441SKiran Patil struct flow_match_ipv6_addrs match;
16120d08a441SKiran Patil
16130d08a441SKiran Patil flow_rule_match_ipv6_addrs(rule, &match);
16149e300987SMichal Swiatkowski if (ice_tc_set_ipv6(&match, fltr, headers, false))
16150d08a441SKiran Patil return -EINVAL;
16160d08a441SKiran Patil }
16170d08a441SKiran Patil
16184c99bc96SMarcin Szycik if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) {
16194c99bc96SMarcin Szycik struct flow_match_ip match;
16204c99bc96SMarcin Szycik
16214c99bc96SMarcin Szycik flow_rule_match_ip(rule, &match);
16224c99bc96SMarcin Szycik ice_tc_set_tos_ttl(&match, fltr, headers, false);
16234c99bc96SMarcin Szycik }
16244c99bc96SMarcin Szycik
1625cd634549SMarcin Szycik if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_L2TPV3)) {
1626cd634549SMarcin Szycik struct flow_match_l2tpv3 match;
1627cd634549SMarcin Szycik
1628cd634549SMarcin Szycik flow_rule_match_l2tpv3(rule, &match);
1629cd634549SMarcin Szycik
1630cd634549SMarcin Szycik fltr->flags |= ICE_TC_FLWR_FIELD_L2TPV3_SESSID;
1631cd634549SMarcin Szycik headers->l2tpv3_hdr.session_id = match.key->session_id;
1632cd634549SMarcin Szycik }
1633cd634549SMarcin Szycik
16340d08a441SKiran Patil if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) {
16350d08a441SKiran Patil struct flow_match_ports match;
16360d08a441SKiran Patil
16370d08a441SKiran Patil flow_rule_match_ports(rule, &match);
16389e300987SMichal Swiatkowski if (ice_tc_set_port(match, fltr, headers, false))
16390d08a441SKiran Patil return -EINVAL;
16400d08a441SKiran Patil switch (headers->l3_key.ip_proto) {
16410d08a441SKiran Patil case IPPROTO_TCP:
16420d08a441SKiran Patil case IPPROTO_UDP:
16430d08a441SKiran Patil break;
16440d08a441SKiran Patil default:
16450d08a441SKiran Patil NL_SET_ERR_MSG_MOD(fltr->extack, "Only UDP and TCP transport are supported");
16460d08a441SKiran Patil return -EINVAL;
16470d08a441SKiran Patil }
16480d08a441SKiran Patil }
16490d08a441SKiran Patil return 0;
16500d08a441SKiran Patil }
16510d08a441SKiran Patil
16520d08a441SKiran Patil /**
16530d08a441SKiran Patil * ice_add_switch_fltr - Add TC flower filters
16540d08a441SKiran Patil * @vsi: Pointer to VSI
16550d08a441SKiran Patil * @fltr: Pointer to struct ice_tc_flower_fltr
16560d08a441SKiran Patil *
16570d08a441SKiran Patil * Add filter in HW switch block
16580d08a441SKiran Patil */
16590d08a441SKiran Patil static int
ice_add_switch_fltr(struct ice_vsi * vsi,struct ice_tc_flower_fltr * fltr)16600d08a441SKiran Patil ice_add_switch_fltr(struct ice_vsi *vsi, struct ice_tc_flower_fltr *fltr)
16610d08a441SKiran Patil {
16629fea7498SKiran Patil if (fltr->action.fltr_act == ICE_FWD_TO_QGRP)
16639fea7498SKiran Patil return -EOPNOTSUPP;
16649fea7498SKiran Patil
16650d08a441SKiran Patil if (ice_is_eswitch_mode_switchdev(vsi->back))
16660d08a441SKiran Patil return ice_eswitch_add_tc_fltr(vsi, fltr);
16670d08a441SKiran Patil
16689fea7498SKiran Patil return ice_add_tc_flower_adv_fltr(vsi, fltr);
16690d08a441SKiran Patil }
16700d08a441SKiran Patil
16710d08a441SKiran Patil /**
1672143b86f3SAmritha Nambiar * ice_prep_adq_filter - Prepare ADQ filter with the required additional headers
16730d08a441SKiran Patil * @vsi: Pointer to VSI
16740d08a441SKiran Patil * @fltr: Pointer to TC flower filter structure
16750d08a441SKiran Patil *
1676143b86f3SAmritha Nambiar * Prepare ADQ filter with the required additional header fields
16770d08a441SKiran Patil */
16780d08a441SKiran Patil static int
ice_prep_adq_filter(struct ice_vsi * vsi,struct ice_tc_flower_fltr * fltr)1679143b86f3SAmritha Nambiar ice_prep_adq_filter(struct ice_vsi *vsi, struct ice_tc_flower_fltr *fltr)
16800d08a441SKiran Patil {
16819fea7498SKiran Patil if ((fltr->flags & ICE_TC_FLWR_FIELD_TENANT_ID) &&
16829fea7498SKiran Patil (fltr->flags & (ICE_TC_FLWR_FIELD_DST_MAC |
16839fea7498SKiran Patil ICE_TC_FLWR_FIELD_SRC_MAC))) {
16849fea7498SKiran Patil NL_SET_ERR_MSG_MOD(fltr->extack,
16859fea7498SKiran Patil "Unable to add filter because filter using tunnel key and inner MAC is unsupported combination");
16869fea7498SKiran Patil return -EOPNOTSUPP;
16879fea7498SKiran Patil }
16889fea7498SKiran Patil
16899fea7498SKiran Patil /* For ADQ, filter must include dest MAC address, otherwise unwanted
16909fea7498SKiran Patil * packets with unrelated MAC address get delivered to ADQ VSIs as long
16919fea7498SKiran Patil * as remaining filter criteria is satisfied such as dest IP address
1692143b86f3SAmritha Nambiar * and dest/src L4 port. Below code handles the following cases:
1693143b86f3SAmritha Nambiar * 1. For non-tunnel, if user specify MAC addresses, use them.
16949fea7498SKiran Patil * 2. For non-tunnel, if user didn't specify MAC address, add implicit
16959fea7498SKiran Patil * dest MAC to be lower netdev's active unicast MAC address
169602ddec19SAmritha Nambiar * 3. For tunnel, as of now TC-filter through flower classifier doesn't
169702ddec19SAmritha Nambiar * have provision for user to specify outer DMAC, hence driver to
169802ddec19SAmritha Nambiar * implicitly add outer dest MAC to be lower netdev's active unicast
169902ddec19SAmritha Nambiar * MAC address.
17009fea7498SKiran Patil */
170102ddec19SAmritha Nambiar if (fltr->tunnel_type != TNL_LAST &&
170202ddec19SAmritha Nambiar !(fltr->flags & ICE_TC_FLWR_FIELD_ENC_DST_MAC))
170302ddec19SAmritha Nambiar fltr->flags |= ICE_TC_FLWR_FIELD_ENC_DST_MAC;
170402ddec19SAmritha Nambiar
170502ddec19SAmritha Nambiar if (fltr->tunnel_type == TNL_LAST &&
170602ddec19SAmritha Nambiar !(fltr->flags & ICE_TC_FLWR_FIELD_DST_MAC))
17079fea7498SKiran Patil fltr->flags |= ICE_TC_FLWR_FIELD_DST_MAC;
170802ddec19SAmritha Nambiar
170902ddec19SAmritha Nambiar if (fltr->flags & (ICE_TC_FLWR_FIELD_DST_MAC |
171002ddec19SAmritha Nambiar ICE_TC_FLWR_FIELD_ENC_DST_MAC)) {
171102ddec19SAmritha Nambiar ether_addr_copy(fltr->outer_headers.l2_key.dst_mac,
171202ddec19SAmritha Nambiar vsi->netdev->dev_addr);
17130ca85829SLu Wei eth_broadcast_addr(fltr->outer_headers.l2_mask.dst_mac);
17149fea7498SKiran Patil }
17159fea7498SKiran Patil
17169fea7498SKiran Patil /* Make sure VLAN is already added to main VSI, before allowing ADQ to
17179fea7498SKiran Patil * add a VLAN based filter such as MAC + VLAN + L4 port.
17189fea7498SKiran Patil */
17199fea7498SKiran Patil if (fltr->flags & ICE_TC_FLWR_FIELD_VLAN) {
17209fea7498SKiran Patil u16 vlan_id = be16_to_cpu(fltr->outer_headers.vlan_hdr.vlan_id);
17219fea7498SKiran Patil
1722143b86f3SAmritha Nambiar if (!ice_vlan_fltr_exist(&vsi->back->hw, vlan_id, vsi->idx)) {
17239fea7498SKiran Patil NL_SET_ERR_MSG_MOD(fltr->extack,
17249fea7498SKiran Patil "Unable to add filter because legacy VLAN filter for specified destination doesn't exist");
17259fea7498SKiran Patil return -EINVAL;
17269fea7498SKiran Patil }
17279fea7498SKiran Patil }
17280d08a441SKiran Patil return 0;
17290d08a441SKiran Patil }
17300d08a441SKiran Patil
17310d08a441SKiran Patil /**
1732143b86f3SAmritha Nambiar * ice_handle_tclass_action - Support directing to a traffic class
1733143b86f3SAmritha Nambiar * @vsi: Pointer to VSI
1734143b86f3SAmritha Nambiar * @cls_flower: Pointer to TC flower offload structure
1735143b86f3SAmritha Nambiar * @fltr: Pointer to TC flower filter structure
1736143b86f3SAmritha Nambiar *
1737143b86f3SAmritha Nambiar * Support directing traffic to a traffic class/queue-set
1738143b86f3SAmritha Nambiar */
1739143b86f3SAmritha Nambiar static int
ice_handle_tclass_action(struct ice_vsi * vsi,struct flow_cls_offload * cls_flower,struct ice_tc_flower_fltr * fltr)1740143b86f3SAmritha Nambiar ice_handle_tclass_action(struct ice_vsi *vsi,
1741143b86f3SAmritha Nambiar struct flow_cls_offload *cls_flower,
1742143b86f3SAmritha Nambiar struct ice_tc_flower_fltr *fltr)
1743143b86f3SAmritha Nambiar {
1744143b86f3SAmritha Nambiar int tc = tc_classid_to_hwtc(vsi->netdev, cls_flower->classid);
1745143b86f3SAmritha Nambiar
1746143b86f3SAmritha Nambiar /* user specified hw_tc (must be non-zero for ADQ TC), action is forward
1747143b86f3SAmritha Nambiar * to hw_tc (i.e. ADQ channel number)
1748143b86f3SAmritha Nambiar */
1749143b86f3SAmritha Nambiar if (tc < ICE_CHNL_START_TC) {
1750143b86f3SAmritha Nambiar NL_SET_ERR_MSG_MOD(fltr->extack,
1751143b86f3SAmritha Nambiar "Unable to add filter because of unsupported destination");
1752143b86f3SAmritha Nambiar return -EOPNOTSUPP;
1753143b86f3SAmritha Nambiar }
1754143b86f3SAmritha Nambiar if (!(vsi->all_enatc & BIT(tc))) {
1755143b86f3SAmritha Nambiar NL_SET_ERR_MSG_MOD(fltr->extack,
1756143b86f3SAmritha Nambiar "Unable to add filter because of non-existence destination");
1757143b86f3SAmritha Nambiar return -EINVAL;
1758143b86f3SAmritha Nambiar }
1759143b86f3SAmritha Nambiar fltr->action.fltr_act = ICE_FWD_TO_VSI;
1760143b86f3SAmritha Nambiar fltr->action.fwd.tc.tc_class = tc;
1761143b86f3SAmritha Nambiar
1762143b86f3SAmritha Nambiar return ice_prep_adq_filter(vsi, fltr);
1763143b86f3SAmritha Nambiar }
1764143b86f3SAmritha Nambiar
1765143b86f3SAmritha Nambiar static int
ice_tc_forward_to_queue(struct ice_vsi * vsi,struct ice_tc_flower_fltr * fltr,struct flow_action_entry * act)1766143b86f3SAmritha Nambiar ice_tc_forward_to_queue(struct ice_vsi *vsi, struct ice_tc_flower_fltr *fltr,
1767143b86f3SAmritha Nambiar struct flow_action_entry *act)
1768143b86f3SAmritha Nambiar {
1769143b86f3SAmritha Nambiar struct ice_vsi *ch_vsi = NULL;
1770143b86f3SAmritha Nambiar u16 queue = act->rx_queue;
1771143b86f3SAmritha Nambiar
17723f4870dfSDan Carpenter if (queue >= vsi->num_rxq) {
1773143b86f3SAmritha Nambiar NL_SET_ERR_MSG_MOD(fltr->extack,
1774143b86f3SAmritha Nambiar "Unable to add filter because specified queue is invalid");
1775143b86f3SAmritha Nambiar return -EINVAL;
1776143b86f3SAmritha Nambiar }
1777143b86f3SAmritha Nambiar fltr->action.fltr_act = ICE_FWD_TO_Q;
1778143b86f3SAmritha Nambiar fltr->action.fwd.q.queue = queue;
1779143b86f3SAmritha Nambiar /* determine corresponding HW queue */
1780143b86f3SAmritha Nambiar fltr->action.fwd.q.hw_queue = vsi->rxq_map[queue];
1781143b86f3SAmritha Nambiar
1782143b86f3SAmritha Nambiar /* If ADQ is configured, and the queue belongs to ADQ VSI, then prepare
1783143b86f3SAmritha Nambiar * ADQ switch filter
1784143b86f3SAmritha Nambiar */
1785479cdfe3SSridhar Samudrala ch_vsi = ice_locate_vsi_using_queue(vsi, fltr->action.fwd.q.queue);
1786143b86f3SAmritha Nambiar if (!ch_vsi)
1787143b86f3SAmritha Nambiar return -EINVAL;
1788143b86f3SAmritha Nambiar fltr->dest_vsi = ch_vsi;
1789143b86f3SAmritha Nambiar if (!ice_is_chnl_fltr(fltr))
1790143b86f3SAmritha Nambiar return 0;
1791143b86f3SAmritha Nambiar
1792143b86f3SAmritha Nambiar return ice_prep_adq_filter(vsi, fltr);
1793143b86f3SAmritha Nambiar }
1794143b86f3SAmritha Nambiar
1795143b86f3SAmritha Nambiar static int
ice_tc_parse_action(struct ice_vsi * vsi,struct ice_tc_flower_fltr * fltr,struct flow_action_entry * act)1796143b86f3SAmritha Nambiar ice_tc_parse_action(struct ice_vsi *vsi, struct ice_tc_flower_fltr *fltr,
1797143b86f3SAmritha Nambiar struct flow_action_entry *act)
1798143b86f3SAmritha Nambiar {
1799143b86f3SAmritha Nambiar switch (act->id) {
1800143b86f3SAmritha Nambiar case FLOW_ACTION_RX_QUEUE_MAPPING:
1801143b86f3SAmritha Nambiar /* forward to queue */
1802143b86f3SAmritha Nambiar return ice_tc_forward_to_queue(vsi, fltr, act);
1803390889a4SAmritha Nambiar case FLOW_ACTION_DROP:
1804390889a4SAmritha Nambiar fltr->action.fltr_act = ICE_DROP_PACKET;
1805390889a4SAmritha Nambiar return 0;
1806143b86f3SAmritha Nambiar default:
1807143b86f3SAmritha Nambiar NL_SET_ERR_MSG_MOD(fltr->extack, "Unsupported TC action");
1808143b86f3SAmritha Nambiar return -EOPNOTSUPP;
1809143b86f3SAmritha Nambiar }
1810143b86f3SAmritha Nambiar }
1811143b86f3SAmritha Nambiar
1812143b86f3SAmritha Nambiar /**
18130d08a441SKiran Patil * ice_parse_tc_flower_actions - Parse the actions for a TC filter
181410fc8d42SAniruddha Paul * @filter_dev: Pointer to device on which filter is being added
18150d08a441SKiran Patil * @vsi: Pointer to VSI
18160d08a441SKiran Patil * @cls_flower: Pointer to TC flower offload structure
18170d08a441SKiran Patil * @fltr: Pointer to TC flower filter structure
18180d08a441SKiran Patil *
18190d08a441SKiran Patil * Parse the actions for a TC filter
18200d08a441SKiran Patil */
ice_parse_tc_flower_actions(struct net_device * filter_dev,struct ice_vsi * vsi,struct flow_cls_offload * cls_flower,struct ice_tc_flower_fltr * fltr)182110fc8d42SAniruddha Paul static int ice_parse_tc_flower_actions(struct net_device *filter_dev,
182210fc8d42SAniruddha Paul struct ice_vsi *vsi,
18230d08a441SKiran Patil struct flow_cls_offload *cls_flower,
18240d08a441SKiran Patil struct ice_tc_flower_fltr *fltr)
18250d08a441SKiran Patil {
18260d08a441SKiran Patil struct flow_rule *rule = flow_cls_offload_flow_rule(cls_flower);
18270d08a441SKiran Patil struct flow_action *flow_action = &rule->action;
18280d08a441SKiran Patil struct flow_action_entry *act;
1829143b86f3SAmritha Nambiar int i, err;
18300d08a441SKiran Patil
18310d08a441SKiran Patil if (cls_flower->classid)
18320d08a441SKiran Patil return ice_handle_tclass_action(vsi, cls_flower, fltr);
18330d08a441SKiran Patil
18340d08a441SKiran Patil if (!flow_action_has_entries(flow_action))
18350d08a441SKiran Patil return -EINVAL;
18360d08a441SKiran Patil
18370d08a441SKiran Patil flow_action_for_each(i, act, flow_action) {
1838143b86f3SAmritha Nambiar if (ice_is_eswitch_mode_switchdev(vsi->back))
183910fc8d42SAniruddha Paul err = ice_eswitch_tc_parse_action(filter_dev, fltr, act);
1840143b86f3SAmritha Nambiar else
1841143b86f3SAmritha Nambiar err = ice_tc_parse_action(vsi, fltr, act);
18420d08a441SKiran Patil if (err)
18430d08a441SKiran Patil return err;
18440d08a441SKiran Patil continue;
18450d08a441SKiran Patil }
18460d08a441SKiran Patil return 0;
18470d08a441SKiran Patil }
18480d08a441SKiran Patil
18490d08a441SKiran Patil /**
18500d08a441SKiran Patil * ice_del_tc_fltr - deletes a filter from HW table
18510d08a441SKiran Patil * @vsi: Pointer to VSI
18520d08a441SKiran Patil * @fltr: Pointer to struct ice_tc_flower_fltr
18530d08a441SKiran Patil *
18540d08a441SKiran Patil * This function deletes a filter from HW table and manages book-keeping
18550d08a441SKiran Patil */
ice_del_tc_fltr(struct ice_vsi * vsi,struct ice_tc_flower_fltr * fltr)18560d08a441SKiran Patil static int ice_del_tc_fltr(struct ice_vsi *vsi, struct ice_tc_flower_fltr *fltr)
18570d08a441SKiran Patil {
18580d08a441SKiran Patil struct ice_rule_query_data rule_rem;
18590d08a441SKiran Patil struct ice_pf *pf = vsi->back;
18600d08a441SKiran Patil int err;
18610d08a441SKiran Patil
18620d08a441SKiran Patil rule_rem.rid = fltr->rid;
18630d08a441SKiran Patil rule_rem.rule_id = fltr->rule_id;
1864143b86f3SAmritha Nambiar rule_rem.vsi_handle = fltr->dest_vsi_handle;
18650d08a441SKiran Patil err = ice_rem_adv_rule_by_id(&pf->hw, &rule_rem);
18660d08a441SKiran Patil if (err) {
1867d54699e2STony Nguyen if (err == -ENOENT) {
18680d08a441SKiran Patil NL_SET_ERR_MSG_MOD(fltr->extack, "Filter does not exist");
18690d08a441SKiran Patil return -ENOENT;
18700d08a441SKiran Patil }
18710d08a441SKiran Patil NL_SET_ERR_MSG_MOD(fltr->extack, "Failed to delete TC flower filter");
18720d08a441SKiran Patil return -EIO;
18730d08a441SKiran Patil }
18740d08a441SKiran Patil
18759fea7498SKiran Patil /* update advanced switch filter count for destination
18769fea7498SKiran Patil * VSI if filter destination was VSI
18779fea7498SKiran Patil */
18789fea7498SKiran Patil if (fltr->dest_vsi) {
18799fea7498SKiran Patil if (fltr->dest_vsi->type == ICE_VSI_CHNL) {
18809fea7498SKiran Patil fltr->dest_vsi->num_chnl_fltr--;
18819fea7498SKiran Patil
18829fea7498SKiran Patil /* keeps track of channel filters for PF VSI */
18839fea7498SKiran Patil if (vsi->type == ICE_VSI_PF &&
18849fea7498SKiran Patil (fltr->flags & (ICE_TC_FLWR_FIELD_DST_MAC |
18859fea7498SKiran Patil ICE_TC_FLWR_FIELD_ENC_DST_MAC)))
18869fea7498SKiran Patil pf->num_dmac_chnl_fltrs--;
18879fea7498SKiran Patil }
18889fea7498SKiran Patil }
18890d08a441SKiran Patil return 0;
18900d08a441SKiran Patil }
18910d08a441SKiran Patil
18920d08a441SKiran Patil /**
18930d08a441SKiran Patil * ice_add_tc_fltr - adds a TC flower filter
18940d08a441SKiran Patil * @netdev: Pointer to netdev
18950d08a441SKiran Patil * @vsi: Pointer to VSI
18960d08a441SKiran Patil * @f: Pointer to flower offload structure
18970d08a441SKiran Patil * @__fltr: Pointer to struct ice_tc_flower_fltr
18980d08a441SKiran Patil *
18990d08a441SKiran Patil * This function parses TC-flower input fields, parses action,
19000d08a441SKiran Patil * and adds a filter.
19010d08a441SKiran Patil */
19020d08a441SKiran Patil static int
ice_add_tc_fltr(struct net_device * netdev,struct ice_vsi * vsi,struct flow_cls_offload * f,struct ice_tc_flower_fltr ** __fltr)19030d08a441SKiran Patil ice_add_tc_fltr(struct net_device *netdev, struct ice_vsi *vsi,
19040d08a441SKiran Patil struct flow_cls_offload *f,
19050d08a441SKiran Patil struct ice_tc_flower_fltr **__fltr)
19060d08a441SKiran Patil {
19070d08a441SKiran Patil struct ice_tc_flower_fltr *fltr;
19080d08a441SKiran Patil int err;
19090d08a441SKiran Patil
19100d08a441SKiran Patil /* by default, set output to be INVALID */
19110d08a441SKiran Patil *__fltr = NULL;
19120d08a441SKiran Patil
19130d08a441SKiran Patil fltr = kzalloc(sizeof(*fltr), GFP_KERNEL);
19140d08a441SKiran Patil if (!fltr)
19150d08a441SKiran Patil return -ENOMEM;
19160d08a441SKiran Patil
19170d08a441SKiran Patil fltr->cookie = f->cookie;
19180d08a441SKiran Patil fltr->extack = f->common.extack;
19190d08a441SKiran Patil fltr->src_vsi = vsi;
19200d08a441SKiran Patil INIT_HLIST_NODE(&fltr->tc_flower_node);
19210d08a441SKiran Patil
19220d08a441SKiran Patil err = ice_parse_cls_flower(netdev, vsi, f, fltr);
19230d08a441SKiran Patil if (err < 0)
19240d08a441SKiran Patil goto err;
19250d08a441SKiran Patil
192610fc8d42SAniruddha Paul err = ice_parse_tc_flower_actions(netdev, vsi, f, fltr);
19270d08a441SKiran Patil if (err < 0)
19280d08a441SKiran Patil goto err;
19290d08a441SKiran Patil
19300d08a441SKiran Patil err = ice_add_switch_fltr(vsi, fltr);
19310d08a441SKiran Patil if (err < 0)
19320d08a441SKiran Patil goto err;
19330d08a441SKiran Patil
19340d08a441SKiran Patil /* return the newly created filter */
19350d08a441SKiran Patil *__fltr = fltr;
19360d08a441SKiran Patil
19370d08a441SKiran Patil return 0;
19380d08a441SKiran Patil err:
19390d08a441SKiran Patil kfree(fltr);
19400d08a441SKiran Patil return err;
19410d08a441SKiran Patil }
19420d08a441SKiran Patil
19430d08a441SKiran Patil /**
19440d08a441SKiran Patil * ice_find_tc_flower_fltr - Find the TC flower filter in the list
19450d08a441SKiran Patil * @pf: Pointer to PF
19460d08a441SKiran Patil * @cookie: filter specific cookie
19470d08a441SKiran Patil */
19480d08a441SKiran Patil static struct ice_tc_flower_fltr *
ice_find_tc_flower_fltr(struct ice_pf * pf,unsigned long cookie)19490d08a441SKiran Patil ice_find_tc_flower_fltr(struct ice_pf *pf, unsigned long cookie)
19500d08a441SKiran Patil {
19510d08a441SKiran Patil struct ice_tc_flower_fltr *fltr;
19520d08a441SKiran Patil
19530d08a441SKiran Patil hlist_for_each_entry(fltr, &pf->tc_flower_fltr_list, tc_flower_node)
19540d08a441SKiran Patil if (cookie == fltr->cookie)
19550d08a441SKiran Patil return fltr;
19560d08a441SKiran Patil
19570d08a441SKiran Patil return NULL;
19580d08a441SKiran Patil }
19590d08a441SKiran Patil
19600d08a441SKiran Patil /**
19610d08a441SKiran Patil * ice_add_cls_flower - add TC flower filters
19620d08a441SKiran Patil * @netdev: Pointer to filter device
19630d08a441SKiran Patil * @vsi: Pointer to VSI
19640d08a441SKiran Patil * @cls_flower: Pointer to flower offload structure
19650d08a441SKiran Patil */
19660d08a441SKiran Patil int
ice_add_cls_flower(struct net_device * netdev,struct ice_vsi * vsi,struct flow_cls_offload * cls_flower)19670d08a441SKiran Patil ice_add_cls_flower(struct net_device *netdev, struct ice_vsi *vsi,
19680d08a441SKiran Patil struct flow_cls_offload *cls_flower)
19690d08a441SKiran Patil {
19700d08a441SKiran Patil struct netlink_ext_ack *extack = cls_flower->common.extack;
19710d08a441SKiran Patil struct net_device *vsi_netdev = vsi->netdev;
19720d08a441SKiran Patil struct ice_tc_flower_fltr *fltr;
19730d08a441SKiran Patil struct ice_pf *pf = vsi->back;
19740d08a441SKiran Patil int err;
19750d08a441SKiran Patil
19760d08a441SKiran Patil if (ice_is_reset_in_progress(pf->state))
19770d08a441SKiran Patil return -EBUSY;
19780d08a441SKiran Patil if (test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags))
19790d08a441SKiran Patil return -EINVAL;
19800d08a441SKiran Patil
19810d08a441SKiran Patil if (ice_is_port_repr_netdev(netdev))
19820d08a441SKiran Patil vsi_netdev = netdev;
19830d08a441SKiran Patil
19840d08a441SKiran Patil if (!(vsi_netdev->features & NETIF_F_HW_TC) &&
19850d08a441SKiran Patil !test_bit(ICE_FLAG_CLS_FLOWER, pf->flags)) {
19860d08a441SKiran Patil /* Based on TC indirect notifications from kernel, all ice
19870d08a441SKiran Patil * devices get an instance of rule from higher level device.
19880d08a441SKiran Patil * Avoid triggering explicit error in this case.
19890d08a441SKiran Patil */
19900d08a441SKiran Patil if (netdev == vsi_netdev)
19910d08a441SKiran Patil NL_SET_ERR_MSG_MOD(extack, "can't apply TC flower filters, turn ON hw-tc-offload and try again");
19920d08a441SKiran Patil return -EINVAL;
19930d08a441SKiran Patil }
19940d08a441SKiran Patil
19950d08a441SKiran Patil /* avoid duplicate entries, if exists - return error */
19960d08a441SKiran Patil fltr = ice_find_tc_flower_fltr(pf, cls_flower->cookie);
19970d08a441SKiran Patil if (fltr) {
19980d08a441SKiran Patil NL_SET_ERR_MSG_MOD(extack, "filter cookie already exists, ignoring");
19990d08a441SKiran Patil return -EEXIST;
20000d08a441SKiran Patil }
20010d08a441SKiran Patil
20020d08a441SKiran Patil /* prep and add TC-flower filter in HW */
20030d08a441SKiran Patil err = ice_add_tc_fltr(netdev, vsi, cls_flower, &fltr);
20040d08a441SKiran Patil if (err)
20050d08a441SKiran Patil return err;
20060d08a441SKiran Patil
20070d08a441SKiran Patil /* add filter into an ordered list */
20080d08a441SKiran Patil hlist_add_head(&fltr->tc_flower_node, &pf->tc_flower_fltr_list);
20090d08a441SKiran Patil return 0;
20100d08a441SKiran Patil }
20110d08a441SKiran Patil
20120d08a441SKiran Patil /**
20130d08a441SKiran Patil * ice_del_cls_flower - delete TC flower filters
20140d08a441SKiran Patil * @vsi: Pointer to VSI
20150d08a441SKiran Patil * @cls_flower: Pointer to struct flow_cls_offload
20160d08a441SKiran Patil */
20170d08a441SKiran Patil int
ice_del_cls_flower(struct ice_vsi * vsi,struct flow_cls_offload * cls_flower)20180d08a441SKiran Patil ice_del_cls_flower(struct ice_vsi *vsi, struct flow_cls_offload *cls_flower)
20190d08a441SKiran Patil {
20200d08a441SKiran Patil struct ice_tc_flower_fltr *fltr;
20210d08a441SKiran Patil struct ice_pf *pf = vsi->back;
20220d08a441SKiran Patil int err;
20230d08a441SKiran Patil
20240d08a441SKiran Patil /* find filter */
20250d08a441SKiran Patil fltr = ice_find_tc_flower_fltr(pf, cls_flower->cookie);
20260d08a441SKiran Patil if (!fltr) {
20279fea7498SKiran Patil if (!test_bit(ICE_FLAG_TC_MQPRIO, pf->flags) &&
20289fea7498SKiran Patil hlist_empty(&pf->tc_flower_fltr_list))
20290d08a441SKiran Patil return 0;
20300d08a441SKiran Patil
20310d08a441SKiran Patil NL_SET_ERR_MSG_MOD(cls_flower->common.extack, "failed to delete TC flower filter because unable to find it");
20320d08a441SKiran Patil return -EINVAL;
20330d08a441SKiran Patil }
20340d08a441SKiran Patil
20350d08a441SKiran Patil fltr->extack = cls_flower->common.extack;
20360d08a441SKiran Patil /* delete filter from HW */
20370d08a441SKiran Patil err = ice_del_tc_fltr(vsi, fltr);
20380d08a441SKiran Patil if (err)
20390d08a441SKiran Patil return err;
20400d08a441SKiran Patil
20410d08a441SKiran Patil /* delete filter from an ordered list */
20420d08a441SKiran Patil hlist_del(&fltr->tc_flower_node);
20430d08a441SKiran Patil
20440d08a441SKiran Patil /* free the filter node */
20450d08a441SKiran Patil kfree(fltr);
20460d08a441SKiran Patil
20470d08a441SKiran Patil return 0;
20480d08a441SKiran Patil }
20497fde6d8bSMichal Swiatkowski
20507fde6d8bSMichal Swiatkowski /**
20517fde6d8bSMichal Swiatkowski * ice_replay_tc_fltrs - replay TC filters
20527fde6d8bSMichal Swiatkowski * @pf: pointer to PF struct
20537fde6d8bSMichal Swiatkowski */
ice_replay_tc_fltrs(struct ice_pf * pf)20547fde6d8bSMichal Swiatkowski void ice_replay_tc_fltrs(struct ice_pf *pf)
20557fde6d8bSMichal Swiatkowski {
20567fde6d8bSMichal Swiatkowski struct ice_tc_flower_fltr *fltr;
20577fde6d8bSMichal Swiatkowski struct hlist_node *node;
20587fde6d8bSMichal Swiatkowski
20597fde6d8bSMichal Swiatkowski hlist_for_each_entry_safe(fltr, node,
20607fde6d8bSMichal Swiatkowski &pf->tc_flower_fltr_list,
20617fde6d8bSMichal Swiatkowski tc_flower_node) {
20627fde6d8bSMichal Swiatkowski fltr->extack = NULL;
20637fde6d8bSMichal Swiatkowski ice_add_switch_fltr(fltr->src_vsi, fltr);
20647fde6d8bSMichal Swiatkowski }
20657fde6d8bSMichal Swiatkowski }
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