Lines Matching refs:key
243 static int parse_ipv6hdr(struct sk_buff *skb, struct sw_flow_key *key) in parse_ipv6hdr() argument
258 key->ip.proto = NEXTHDR_NONE; in parse_ipv6hdr()
259 key->ip.tos = ipv6_get_dsfield(nh); in parse_ipv6hdr()
260 key->ip.ttl = nh->hop_limit; in parse_ipv6hdr()
261 key->ipv6.label = *(__be32 *)nh & htonl(IPV6_FLOWINFO_FLOWLABEL); in parse_ipv6hdr()
262 key->ipv6.addr.src = nh->saddr; in parse_ipv6hdr()
263 key->ipv6.addr.dst = nh->daddr; in parse_ipv6hdr()
268 key->ip.frag = OVS_FRAG_TYPE_LATER; in parse_ipv6hdr()
269 key->ip.proto = nexthdr; in parse_ipv6hdr()
272 key->ip.frag = OVS_FRAG_TYPE_FIRST; in parse_ipv6hdr()
274 key->ip.frag = OVS_FRAG_TYPE_NONE; in parse_ipv6hdr()
286 key->ip.proto = nexthdr; in parse_ipv6hdr()
342 static void clear_vlan(struct sw_flow_key *key) in clear_vlan() argument
344 key->eth.vlan.tci = 0; in clear_vlan()
345 key->eth.vlan.tpid = 0; in clear_vlan()
346 key->eth.cvlan.tci = 0; in clear_vlan()
347 key->eth.cvlan.tpid = 0; in clear_vlan()
350 static int parse_vlan(struct sk_buff *skb, struct sw_flow_key *key) in parse_vlan() argument
355 key->eth.vlan.tci = htons(skb->vlan_tci) | htons(VLAN_CFI_MASK); in parse_vlan()
356 key->eth.vlan.tpid = skb->vlan_proto; in parse_vlan()
359 res = parse_vlan_tag(skb, &key->eth.vlan, true); in parse_vlan()
365 res = parse_vlan_tag(skb, &key->eth.cvlan, false); in parse_vlan()
410 static int parse_icmpv6(struct sk_buff *skb, struct sw_flow_key *key, in parse_icmpv6() argument
418 key->tp.src = htons(icmp->icmp6_type); in parse_icmpv6()
419 key->tp.dst = htons(icmp->icmp6_code); in parse_icmpv6()
420 memset(&key->ipv6.nd, 0, sizeof(key->ipv6.nd)); in parse_icmpv6()
439 key->ipv6.nd.target = nd->target; in parse_icmpv6()
457 if (unlikely(!is_zero_ether_addr(key->ipv6.nd.sll))) in parse_icmpv6()
459 ether_addr_copy(key->ipv6.nd.sll, in parse_icmpv6()
463 if (unlikely(!is_zero_ether_addr(key->ipv6.nd.tll))) in parse_icmpv6()
465 ether_addr_copy(key->ipv6.nd.tll, in parse_icmpv6()
477 memset(&key->ipv6.nd.target, 0, sizeof(key->ipv6.nd.target)); in parse_icmpv6()
478 memset(key->ipv6.nd.sll, 0, sizeof(key->ipv6.nd.sll)); in parse_icmpv6()
479 memset(key->ipv6.nd.tll, 0, sizeof(key->ipv6.nd.tll)); in parse_icmpv6()
484 static int parse_nsh(struct sk_buff *skb, struct sw_flow_key *key) in parse_nsh() argument
507 key->nsh.base.flags = nsh_get_flags(nh); in parse_nsh()
508 key->nsh.base.ttl = nsh_get_ttl(nh); in parse_nsh()
509 key->nsh.base.mdtype = nh->mdtype; in parse_nsh()
510 key->nsh.base.np = nh->np; in parse_nsh()
511 key->nsh.base.path_hdr = nh->path_hdr; in parse_nsh()
512 switch (key->nsh.base.mdtype) { in parse_nsh()
516 memcpy(key->nsh.context, nh->md1.context, in parse_nsh()
520 memset(key->nsh.context, 0, in parse_nsh()
538 static int key_extract_l3l4(struct sk_buff *skb, struct sw_flow_key *key) in key_extract_l3l4() argument
543 if (key->eth.type == htons(ETH_P_IP)) { in key_extract_l3l4()
549 memset(&key->ip, 0, sizeof(key->ip)); in key_extract_l3l4()
550 memset(&key->ipv4, 0, sizeof(key->ipv4)); in key_extract_l3l4()
559 key->ipv4.addr.src = nh->saddr; in key_extract_l3l4()
560 key->ipv4.addr.dst = nh->daddr; in key_extract_l3l4()
562 key->ip.proto = nh->protocol; in key_extract_l3l4()
563 key->ip.tos = nh->tos; in key_extract_l3l4()
564 key->ip.ttl = nh->ttl; in key_extract_l3l4()
568 key->ip.frag = OVS_FRAG_TYPE_LATER; in key_extract_l3l4()
569 memset(&key->tp, 0, sizeof(key->tp)); in key_extract_l3l4()
574 key->ip.frag = OVS_FRAG_TYPE_FIRST; in key_extract_l3l4()
576 key->ip.frag = OVS_FRAG_TYPE_NONE; in key_extract_l3l4()
579 if (key->ip.proto == IPPROTO_TCP) { in key_extract_l3l4()
582 key->tp.src = tcp->source; in key_extract_l3l4()
583 key->tp.dst = tcp->dest; in key_extract_l3l4()
584 key->tp.flags = TCP_FLAGS_BE16(tcp); in key_extract_l3l4()
586 memset(&key->tp, 0, sizeof(key->tp)); in key_extract_l3l4()
589 } else if (key->ip.proto == IPPROTO_UDP) { in key_extract_l3l4()
592 key->tp.src = udp->source; in key_extract_l3l4()
593 key->tp.dst = udp->dest; in key_extract_l3l4()
595 memset(&key->tp, 0, sizeof(key->tp)); in key_extract_l3l4()
597 } else if (key->ip.proto == IPPROTO_SCTP) { in key_extract_l3l4()
600 key->tp.src = sctp->source; in key_extract_l3l4()
601 key->tp.dst = sctp->dest; in key_extract_l3l4()
603 memset(&key->tp, 0, sizeof(key->tp)); in key_extract_l3l4()
605 } else if (key->ip.proto == IPPROTO_ICMP) { in key_extract_l3l4()
611 key->tp.src = htons(icmp->type); in key_extract_l3l4()
612 key->tp.dst = htons(icmp->code); in key_extract_l3l4()
614 memset(&key->tp, 0, sizeof(key->tp)); in key_extract_l3l4()
618 } else if (key->eth.type == htons(ETH_P_ARP) || in key_extract_l3l4()
619 key->eth.type == htons(ETH_P_RARP)) { in key_extract_l3l4()
633 key->ip.proto = ntohs(arp->ar_op); in key_extract_l3l4()
635 key->ip.proto = 0; in key_extract_l3l4()
637 memcpy(&key->ipv4.addr.src, arp->ar_sip, sizeof(key->ipv4.addr.src)); in key_extract_l3l4()
638 memcpy(&key->ipv4.addr.dst, arp->ar_tip, sizeof(key->ipv4.addr.dst)); in key_extract_l3l4()
639 ether_addr_copy(key->ipv4.arp.sha, arp->ar_sha); in key_extract_l3l4()
640 ether_addr_copy(key->ipv4.arp.tha, arp->ar_tha); in key_extract_l3l4()
642 memset(&key->ip, 0, sizeof(key->ip)); in key_extract_l3l4()
643 memset(&key->ipv4, 0, sizeof(key->ipv4)); in key_extract_l3l4()
645 } else if (eth_p_mpls(key->eth.type)) { in key_extract_l3l4()
648 memset(&key->mpls, 0, sizeof(key->mpls)); in key_extract_l3l4()
661 memcpy(&key->mpls.lse[label_count - 1], &lse, in key_extract_l3l4()
674 key->mpls.num_labels_mask = GENMASK(label_count - 1, 0); in key_extract_l3l4()
675 } else if (key->eth.type == htons(ETH_P_IPV6)) { in key_extract_l3l4()
678 nh_len = parse_ipv6hdr(skb, key); in key_extract_l3l4()
682 memset(&key->ip, 0, sizeof(key->ip)); in key_extract_l3l4()
683 memset(&key->ipv6.addr, 0, sizeof(key->ipv6.addr)); in key_extract_l3l4()
695 if (key->ip.frag == OVS_FRAG_TYPE_LATER) { in key_extract_l3l4()
696 memset(&key->tp, 0, sizeof(key->tp)); in key_extract_l3l4()
700 key->ip.frag = OVS_FRAG_TYPE_FIRST; in key_extract_l3l4()
703 if (key->ip.proto == NEXTHDR_TCP) { in key_extract_l3l4()
706 key->tp.src = tcp->source; in key_extract_l3l4()
707 key->tp.dst = tcp->dest; in key_extract_l3l4()
708 key->tp.flags = TCP_FLAGS_BE16(tcp); in key_extract_l3l4()
710 memset(&key->tp, 0, sizeof(key->tp)); in key_extract_l3l4()
712 } else if (key->ip.proto == NEXTHDR_UDP) { in key_extract_l3l4()
715 key->tp.src = udp->source; in key_extract_l3l4()
716 key->tp.dst = udp->dest; in key_extract_l3l4()
718 memset(&key->tp, 0, sizeof(key->tp)); in key_extract_l3l4()
720 } else if (key->ip.proto == NEXTHDR_SCTP) { in key_extract_l3l4()
723 key->tp.src = sctp->source; in key_extract_l3l4()
724 key->tp.dst = sctp->dest; in key_extract_l3l4()
726 memset(&key->tp, 0, sizeof(key->tp)); in key_extract_l3l4()
728 } else if (key->ip.proto == NEXTHDR_ICMP) { in key_extract_l3l4()
730 error = parse_icmpv6(skb, key, nh_len); in key_extract_l3l4()
734 memset(&key->tp, 0, sizeof(key->tp)); in key_extract_l3l4()
737 } else if (key->eth.type == htons(ETH_P_NSH)) { in key_extract_l3l4()
738 error = parse_nsh(skb, key); in key_extract_l3l4()
770 static int key_extract(struct sk_buff *skb, struct sw_flow_key *key) in key_extract() argument
775 key->tp.flags = 0; in key_extract()
780 clear_vlan(key); in key_extract()
781 if (ovs_key_mac_proto(key) == MAC_PROTO_NONE) { in key_extract()
786 key->eth.type = skb->protocol; in key_extract()
789 ether_addr_copy(key->eth.src, eth->h_source); in key_extract()
790 ether_addr_copy(key->eth.dst, eth->h_dest); in key_extract()
797 if (unlikely(parse_vlan(skb, key))) in key_extract()
800 key->eth.type = parse_ethertype(skb); in key_extract()
801 if (unlikely(key->eth.type == htons(0))) in key_extract()
808 if (key->eth.cvlan.tci & htons(VLAN_CFI_MASK)) in key_extract()
809 skb->protocol = key->eth.cvlan.tpid; in key_extract()
811 skb->protocol = key->eth.type; in key_extract()
820 return key_extract_l3l4(skb, key); in key_extract()
826 int ovs_flow_key_update_l3l4(struct sk_buff *skb, struct sw_flow_key *key) in ovs_flow_key_update_l3l4() argument
828 return key_extract_l3l4(skb, key); in ovs_flow_key_update_l3l4()
831 int ovs_flow_key_update(struct sk_buff *skb, struct sw_flow_key *key) in ovs_flow_key_update() argument
835 res = key_extract(skb, key); in ovs_flow_key_update()
837 key->mac_proto &= ~SW_FLOW_KEY_INVALID; in ovs_flow_key_update()
857 struct sk_buff *skb, struct sw_flow_key *key) in ovs_flow_key_extract() argument
868 key->tun_proto = ip_tunnel_info_af(tun_info); in ovs_flow_key_extract()
869 memcpy(&key->tun_key, &tun_info->key, sizeof(key->tun_key)); in ovs_flow_key_extract()
874 > sizeof(key->tun_opts)); in ovs_flow_key_extract()
876 ip_tunnel_info_opts_get(TUN_METADATA_OPTS(key, tun_info->options_len), in ovs_flow_key_extract()
878 key->tun_opts_len = tun_info->options_len; in ovs_flow_key_extract()
880 key->tun_opts_len = 0; in ovs_flow_key_extract()
883 key->tun_proto = 0; in ovs_flow_key_extract()
884 key->tun_opts_len = 0; in ovs_flow_key_extract()
885 memset(&key->tun_key, 0, sizeof(key->tun_key)); in ovs_flow_key_extract()
888 key->phy.priority = skb->priority; in ovs_flow_key_extract()
889 key->phy.in_port = OVS_CB(skb)->input_vport->port_no; in ovs_flow_key_extract()
890 key->phy.skb_mark = skb->mark; in ovs_flow_key_extract()
891 key->ovs_flow_hash = 0; in ovs_flow_key_extract()
895 key->mac_proto = res; in ovs_flow_key_extract()
900 key->recirc_id = tc_ext ? tc_ext->chain : 0; in ovs_flow_key_extract()
905 key->recirc_id = 0; in ovs_flow_key_extract()
908 key->recirc_id = 0; in ovs_flow_key_extract()
911 err = key_extract(skb, key); in ovs_flow_key_extract()
913 ovs_ct_fill_key(skb, key, post_ct); /* Must be after key_extract(). */ in ovs_flow_key_extract()
915 key->ct_zone = zone; in ovs_flow_key_extract()
922 struct sw_flow_key *key, bool log) in ovs_flow_key_extract_userspace() argument
933 err = ovs_nla_get_flow_metadata(net, a, attrs, key, log); in ovs_flow_key_extract_userspace()
946 skb->protocol = key->eth.type; in ovs_flow_key_extract_userspace()
947 err = key_extract(skb, key); in ovs_flow_key_extract_userspace()
956 key->eth.type != htons(ETH_P_IP)) in ovs_flow_key_extract_userspace()
959 (key->eth.type != htons(ETH_P_IPV6) || in ovs_flow_key_extract_userspace()
960 sw_flow_key_is_nd(key))) in ovs_flow_key_extract_userspace()