Lines Matching +full:- +full:key
1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (c) 2007-2014 Nicira, Inc.
52 idle_ms = jiffies_to_msecs(jiffies - flow_jiffies); in ovs_flow_used_time()
56 return cur_ms - idle_ms; in ovs_flow_used_time()
66 int len = skb->len + (skb_vlan_tag_present(skb) ? VLAN_HLEN : 0); in ovs_flow_stats_update()
68 stats = rcu_dereference(flow->stats[cpu]); in ovs_flow_stats_update()
70 /* Check if already have CPU-specific stats. */ in ovs_flow_stats_update()
72 spin_lock(&stats->lock); in ovs_flow_stats_update()
73 /* Mark if we write on the pre-allocated stats. */ in ovs_flow_stats_update()
74 if (cpu == 0 && unlikely(flow->stats_last_writer != cpu)) in ovs_flow_stats_update()
75 flow->stats_last_writer = cpu; in ovs_flow_stats_update()
77 stats = rcu_dereference(flow->stats[0]); /* Pre-allocated. */ in ovs_flow_stats_update()
78 spin_lock(&stats->lock); in ovs_flow_stats_update()
81 * pre-allocated stats keep using them. in ovs_flow_stats_update()
83 if (unlikely(flow->stats_last_writer != cpu)) { in ovs_flow_stats_update()
85 * stats, so we need to check again. If CPU-specific in ovs_flow_stats_update()
86 * stats were already allocated, we update the pre- in ovs_flow_stats_update()
89 if (likely(flow->stats_last_writer != -1) && in ovs_flow_stats_update()
90 likely(!rcu_access_pointer(flow->stats[cpu]))) { in ovs_flow_stats_update()
91 /* Try to allocate CPU-specific stats. */ in ovs_flow_stats_update()
102 new_stats->used = jiffies; in ovs_flow_stats_update()
103 new_stats->packet_count = 1; in ovs_flow_stats_update()
104 new_stats->byte_count = len; in ovs_flow_stats_update()
105 new_stats->tcp_flags = tcp_flags; in ovs_flow_stats_update()
106 spin_lock_init(&new_stats->lock); in ovs_flow_stats_update()
108 rcu_assign_pointer(flow->stats[cpu], in ovs_flow_stats_update()
110 cpumask_set_cpu(cpu, &flow->cpu_used_mask); in ovs_flow_stats_update()
114 flow->stats_last_writer = cpu; in ovs_flow_stats_update()
118 stats->used = jiffies; in ovs_flow_stats_update()
119 stats->packet_count++; in ovs_flow_stats_update()
120 stats->byte_count += len; in ovs_flow_stats_update()
121 stats->tcp_flags |= tcp_flags; in ovs_flow_stats_update()
123 spin_unlock(&stats->lock); in ovs_flow_stats_update()
138 for (cpu = 0; cpu < nr_cpu_ids; cpu = cpumask_next(cpu, &flow->cpu_used_mask)) { in ovs_flow_stats_get()
139 struct sw_flow_stats *stats = rcu_dereference_ovsl(flow->stats[cpu]); in ovs_flow_stats_get()
142 /* Local CPU may write on non-local stats, so we must in ovs_flow_stats_get()
143 * block bottom-halves here. in ovs_flow_stats_get()
145 spin_lock_bh(&stats->lock); in ovs_flow_stats_get()
146 if (!*used || time_after(stats->used, *used)) in ovs_flow_stats_get()
147 *used = stats->used; in ovs_flow_stats_get()
148 *tcp_flags |= stats->tcp_flags; in ovs_flow_stats_get()
149 ovs_stats->n_packets += stats->packet_count; in ovs_flow_stats_get()
150 ovs_stats->n_bytes += stats->byte_count; in ovs_flow_stats_get()
151 spin_unlock_bh(&stats->lock); in ovs_flow_stats_get()
162 for (cpu = 0; cpu < nr_cpu_ids; cpu = cpumask_next(cpu, &flow->cpu_used_mask)) { in ovs_flow_stats_clear()
163 struct sw_flow_stats *stats = ovsl_dereference(flow->stats[cpu]); in ovs_flow_stats_clear()
166 spin_lock_bh(&stats->lock); in ovs_flow_stats_clear()
167 stats->used = 0; in ovs_flow_stats_clear()
168 stats->packet_count = 0; in ovs_flow_stats_clear()
169 stats->byte_count = 0; in ovs_flow_stats_clear()
170 stats->tcp_flags = 0; in ovs_flow_stats_clear()
171 spin_unlock_bh(&stats->lock); in ovs_flow_stats_clear()
178 if (unlikely(skb->len < len)) in check_header()
179 return -EINVAL; in check_header()
181 return -ENOMEM; in check_header()
203 skb->len < nh_ofs + ip_len)) in check_iphdr()
204 return -EINVAL; in check_iphdr()
220 skb->len < th_ofs + tcp_len)) in tcphdr_ok()
245 * get_ipv6_ext_hdrs() - Parses packet and sets IPv6 extension header flags.
261 * Hop-by-Hop Options header
268 * upper-layer header
273 u8 next_type = nh->nexthdr; in get_ipv6_ext_hdrs()
360 /* OFPIEH12_HOP is set to 1 if a hop-by-hop IPv6 in get_ipv6_ext_hdrs()
377 next_type = hp->nexthdr; in get_ipv6_ext_hdrs()
382 static int parse_ipv6hdr(struct sk_buff *skb, struct sw_flow_key *key) in parse_ipv6hdr() argument
397 get_ipv6_ext_hdrs(skb, nh, &key->ipv6.exthdrs); in parse_ipv6hdr()
399 key->ip.proto = NEXTHDR_NONE; in parse_ipv6hdr()
400 key->ip.tos = ipv6_get_dsfield(nh); in parse_ipv6hdr()
401 key->ip.ttl = nh->hop_limit; in parse_ipv6hdr()
402 key->ipv6.label = *(__be32 *)nh & htonl(IPV6_FLOWINFO_FLOWLABEL); in parse_ipv6hdr()
403 key->ipv6.addr.src = nh->saddr; in parse_ipv6hdr()
404 key->ipv6.addr.dst = nh->daddr; in parse_ipv6hdr()
406 nexthdr = ipv6_find_hdr(skb, &payload_ofs, -1, &frag_off, &flags); in parse_ipv6hdr()
409 key->ip.frag = OVS_FRAG_TYPE_LATER; in parse_ipv6hdr()
410 key->ip.proto = NEXTHDR_FRAGMENT; in parse_ipv6hdr()
413 key->ip.frag = OVS_FRAG_TYPE_FIRST; in parse_ipv6hdr()
415 key->ip.frag = OVS_FRAG_TYPE_NONE; in parse_ipv6hdr()
420 * used to set key->ip.frag above. in parse_ipv6hdr()
423 return -EPROTO; in parse_ipv6hdr()
425 nh_len = payload_ofs - nh_ofs; in parse_ipv6hdr()
427 key->ip.proto = nexthdr; in parse_ipv6hdr()
438 * parse_vlan_tag - Parse vlan tag from vlan header.
444 * %0 if it encounters a non-vlan or incomplete packet.
450 struct vlan_head *vh = (struct vlan_head *)skb->data; in parse_vlan_tag()
452 if (likely(!eth_type_vlan(vh->tpid))) in parse_vlan_tag()
455 if (unlikely(skb->len < sizeof(struct vlan_head) + sizeof(__be16))) in parse_vlan_tag()
460 return -ENOMEM; in parse_vlan_tag()
462 vh = (struct vlan_head *)skb->data; in parse_vlan_tag()
463 key_vh->tci = vh->tci | htons(VLAN_CFI_MASK); in parse_vlan_tag()
464 key_vh->tpid = vh->tpid; in parse_vlan_tag()
467 int offset = skb->data - skb_mac_header(skb); in parse_vlan_tag()
476 __vlan_hwaccel_put_tag(skb, key_vh->tpid, tci); in parse_vlan_tag()
483 static void clear_vlan(struct sw_flow_key *key) in clear_vlan() argument
485 key->eth.vlan.tci = 0; in clear_vlan()
486 key->eth.vlan.tpid = 0; in clear_vlan()
487 key->eth.cvlan.tci = 0; in clear_vlan()
488 key->eth.cvlan.tpid = 0; in clear_vlan()
491 static int parse_vlan(struct sk_buff *skb, struct sw_flow_key *key) in parse_vlan() argument
496 key->eth.vlan.tci = htons(skb->vlan_tci) | htons(VLAN_CFI_MASK); in parse_vlan()
497 key->eth.vlan.tpid = skb->vlan_proto; in parse_vlan()
499 /* Parse outer vlan tag in the non-accelerated case. */ in parse_vlan()
500 res = parse_vlan_tag(skb, &key->eth.vlan, true); in parse_vlan()
506 res = parse_vlan_tag(skb, &key->eth.cvlan, false); in parse_vlan()
525 proto = *(__be16 *) skb->data; in parse_ethertype()
531 if (skb->len < sizeof(struct llc_snap_hdr)) in parse_ethertype()
537 llc = (struct llc_snap_hdr *) skb->data; in parse_ethertype()
538 if (llc->dsap != LLC_SAP_SNAP || in parse_ethertype()
539 llc->ssap != LLC_SAP_SNAP || in parse_ethertype()
540 (llc->oui[0] | llc->oui[1] | llc->oui[2]) != 0) in parse_ethertype()
545 if (eth_proto_is_802_3(llc->ethertype)) in parse_ethertype()
546 return llc->ethertype; in parse_ethertype()
551 static int parse_icmpv6(struct sk_buff *skb, struct sw_flow_key *key, in parse_icmpv6() argument
556 /* The ICMPv6 type and code fields use the 16-bit transport port in parse_icmpv6()
557 * fields, so we need to store them in 16-bit network byte order. in parse_icmpv6()
559 key->tp.src = htons(icmp->icmp6_type); in parse_icmpv6()
560 key->tp.dst = htons(icmp->icmp6_code); in parse_icmpv6()
561 memset(&key->ipv6.nd, 0, sizeof(key->ipv6.nd)); in parse_icmpv6()
563 if (icmp->icmp6_code == 0 && in parse_icmpv6()
564 (icmp->icmp6_type == NDISC_NEIGHBOUR_SOLICITATION || in parse_icmpv6()
565 icmp->icmp6_type == NDISC_NEIGHBOUR_ADVERTISEMENT)) { in parse_icmpv6()
566 int icmp_len = skb->len - skb_transport_offset(skb); in parse_icmpv6()
577 return -ENOMEM; in parse_icmpv6()
580 key->ipv6.nd.target = nd->target; in parse_icmpv6()
582 icmp_len -= sizeof(*nd); in parse_icmpv6()
586 (struct nd_opt_hdr *)(nd->opt + offset); in parse_icmpv6()
587 int opt_len = nd_opt->nd_opt_len * 8; in parse_icmpv6()
596 if (nd_opt->nd_opt_type == ND_OPT_SOURCE_LL_ADDR in parse_icmpv6()
598 if (unlikely(!is_zero_ether_addr(key->ipv6.nd.sll))) in parse_icmpv6()
600 ether_addr_copy(key->ipv6.nd.sll, in parse_icmpv6()
601 &nd->opt[offset+sizeof(*nd_opt)]); in parse_icmpv6()
602 } else if (nd_opt->nd_opt_type == ND_OPT_TARGET_LL_ADDR in parse_icmpv6()
604 if (unlikely(!is_zero_ether_addr(key->ipv6.nd.tll))) in parse_icmpv6()
606 ether_addr_copy(key->ipv6.nd.tll, in parse_icmpv6()
607 &nd->opt[offset+sizeof(*nd_opt)]); in parse_icmpv6()
610 icmp_len -= opt_len; in parse_icmpv6()
618 memset(&key->ipv6.nd.target, 0, sizeof(key->ipv6.nd.target)); in parse_icmpv6()
619 memset(key->ipv6.nd.sll, 0, sizeof(key->ipv6.nd.sll)); in parse_icmpv6()
620 memset(key->ipv6.nd.tll, 0, sizeof(key->ipv6.nd.tll)); in parse_icmpv6()
625 static int parse_nsh(struct sk_buff *skb, struct sw_flow_key *key) in parse_nsh() argument
641 return -EINVAL; in parse_nsh()
648 key->nsh.base.flags = nsh_get_flags(nh); in parse_nsh()
649 key->nsh.base.ttl = nsh_get_ttl(nh); in parse_nsh()
650 key->nsh.base.mdtype = nh->mdtype; in parse_nsh()
651 key->nsh.base.np = nh->np; in parse_nsh()
652 key->nsh.base.path_hdr = nh->path_hdr; in parse_nsh()
653 switch (key->nsh.base.mdtype) { in parse_nsh()
656 return -EINVAL; in parse_nsh()
657 memcpy(key->nsh.context, nh->md1.context, in parse_nsh()
658 sizeof(nh->md1)); in parse_nsh()
661 memset(key->nsh.context, 0, in parse_nsh()
662 sizeof(nh->md1)); in parse_nsh()
665 return -EINVAL; in parse_nsh()
672 * key_extract_l3l4 - extracts L3/L4 header information.
673 * @skb: sk_buff that contains the frame, with skb->data pointing to the
675 * @key: output flow key
679 static int key_extract_l3l4(struct sk_buff *skb, struct sw_flow_key *key) in key_extract_l3l4() argument
684 if (key->eth.type == htons(ETH_P_IP)) { in key_extract_l3l4()
690 memset(&key->ip, 0, sizeof(key->ip)); in key_extract_l3l4()
691 memset(&key->ipv4, 0, sizeof(key->ipv4)); in key_extract_l3l4()
692 if (error == -EINVAL) { in key_extract_l3l4()
693 skb->transport_header = skb->network_header; in key_extract_l3l4()
700 key->ipv4.addr.src = nh->saddr; in key_extract_l3l4()
701 key->ipv4.addr.dst = nh->daddr; in key_extract_l3l4()
703 key->ip.proto = nh->protocol; in key_extract_l3l4()
704 key->ip.tos = nh->tos; in key_extract_l3l4()
705 key->ip.ttl = nh->ttl; in key_extract_l3l4()
707 offset = nh->frag_off & htons(IP_OFFSET); in key_extract_l3l4()
709 key->ip.frag = OVS_FRAG_TYPE_LATER; in key_extract_l3l4()
710 memset(&key->tp, 0, sizeof(key->tp)); in key_extract_l3l4()
713 if (nh->frag_off & htons(IP_MF) || in key_extract_l3l4()
714 skb_shinfo(skb)->gso_type & SKB_GSO_UDP) in key_extract_l3l4()
715 key->ip.frag = OVS_FRAG_TYPE_FIRST; in key_extract_l3l4()
717 key->ip.frag = OVS_FRAG_TYPE_NONE; in key_extract_l3l4()
720 if (key->ip.proto == IPPROTO_TCP) { in key_extract_l3l4()
723 key->tp.src = tcp->source; in key_extract_l3l4()
724 key->tp.dst = tcp->dest; in key_extract_l3l4()
725 key->tp.flags = TCP_FLAGS_BE16(tcp); in key_extract_l3l4()
727 memset(&key->tp, 0, sizeof(key->tp)); in key_extract_l3l4()
730 } else if (key->ip.proto == IPPROTO_UDP) { in key_extract_l3l4()
733 key->tp.src = udp->source; in key_extract_l3l4()
734 key->tp.dst = udp->dest; in key_extract_l3l4()
736 memset(&key->tp, 0, sizeof(key->tp)); in key_extract_l3l4()
738 } else if (key->ip.proto == IPPROTO_SCTP) { in key_extract_l3l4()
741 key->tp.src = sctp->source; in key_extract_l3l4()
742 key->tp.dst = sctp->dest; in key_extract_l3l4()
744 memset(&key->tp, 0, sizeof(key->tp)); in key_extract_l3l4()
746 } else if (key->ip.proto == IPPROTO_ICMP) { in key_extract_l3l4()
749 /* The ICMP type and code fields use the 16-bit in key_extract_l3l4()
751 * them in 16-bit network byte order. */ in key_extract_l3l4()
752 key->tp.src = htons(icmp->type); in key_extract_l3l4()
753 key->tp.dst = htons(icmp->code); in key_extract_l3l4()
755 memset(&key->tp, 0, sizeof(key->tp)); in key_extract_l3l4()
759 } else if (key->eth.type == htons(ETH_P_ARP) || in key_extract_l3l4()
760 key->eth.type == htons(ETH_P_RARP)) { in key_extract_l3l4()
767 arp->ar_hrd == htons(ARPHRD_ETHER) && in key_extract_l3l4()
768 arp->ar_pro == htons(ETH_P_IP) && in key_extract_l3l4()
769 arp->ar_hln == ETH_ALEN && in key_extract_l3l4()
770 arp->ar_pln == 4) { in key_extract_l3l4()
773 if (ntohs(arp->ar_op) <= 0xff) in key_extract_l3l4()
774 key->ip.proto = ntohs(arp->ar_op); in key_extract_l3l4()
776 key->ip.proto = 0; in key_extract_l3l4()
778 memcpy(&key->ipv4.addr.src, arp->ar_sip, sizeof(key->ipv4.addr.src)); in key_extract_l3l4()
779 memcpy(&key->ipv4.addr.dst, arp->ar_tip, sizeof(key->ipv4.addr.dst)); in key_extract_l3l4()
780 ether_addr_copy(key->ipv4.arp.sha, arp->ar_sha); in key_extract_l3l4()
781 ether_addr_copy(key->ipv4.arp.tha, arp->ar_tha); in key_extract_l3l4()
783 memset(&key->ip, 0, sizeof(key->ip)); in key_extract_l3l4()
784 memset(&key->ipv4, 0, sizeof(key->ipv4)); in key_extract_l3l4()
786 } else if (eth_p_mpls(key->eth.type)) { in key_extract_l3l4()
789 memset(&key->mpls, 0, sizeof(key->mpls)); in key_extract_l3l4()
790 skb_set_inner_network_header(skb, skb->mac_len); in key_extract_l3l4()
794 error = check_header(skb, skb->mac_len + in key_extract_l3l4()
802 memcpy(&key->mpls.lse[label_count - 1], &lse, in key_extract_l3l4()
805 skb_set_inner_network_header(skb, skb->mac_len + in key_extract_l3l4()
815 key->mpls.num_labels_mask = GENMASK(label_count - 1, 0); in key_extract_l3l4()
816 } else if (key->eth.type == htons(ETH_P_IPV6)) { in key_extract_l3l4()
819 nh_len = parse_ipv6hdr(skb, key); in key_extract_l3l4()
822 case -EINVAL: in key_extract_l3l4()
823 memset(&key->ip, 0, sizeof(key->ip)); in key_extract_l3l4()
824 memset(&key->ipv6.addr, 0, sizeof(key->ipv6.addr)); in key_extract_l3l4()
826 case -EPROTO: in key_extract_l3l4()
827 skb->transport_header = skb->network_header; in key_extract_l3l4()
836 if (key->ip.frag == OVS_FRAG_TYPE_LATER) { in key_extract_l3l4()
837 memset(&key->tp, 0, sizeof(key->tp)); in key_extract_l3l4()
840 if (skb_shinfo(skb)->gso_type & SKB_GSO_UDP) in key_extract_l3l4()
841 key->ip.frag = OVS_FRAG_TYPE_FIRST; in key_extract_l3l4()
844 if (key->ip.proto == NEXTHDR_TCP) { in key_extract_l3l4()
847 key->tp.src = tcp->source; in key_extract_l3l4()
848 key->tp.dst = tcp->dest; in key_extract_l3l4()
849 key->tp.flags = TCP_FLAGS_BE16(tcp); in key_extract_l3l4()
851 memset(&key->tp, 0, sizeof(key->tp)); in key_extract_l3l4()
853 } else if (key->ip.proto == NEXTHDR_UDP) { in key_extract_l3l4()
856 key->tp.src = udp->source; in key_extract_l3l4()
857 key->tp.dst = udp->dest; in key_extract_l3l4()
859 memset(&key->tp, 0, sizeof(key->tp)); in key_extract_l3l4()
861 } else if (key->ip.proto == NEXTHDR_SCTP) { in key_extract_l3l4()
864 key->tp.src = sctp->source; in key_extract_l3l4()
865 key->tp.dst = sctp->dest; in key_extract_l3l4()
867 memset(&key->tp, 0, sizeof(key->tp)); in key_extract_l3l4()
869 } else if (key->ip.proto == NEXTHDR_ICMP) { in key_extract_l3l4()
871 error = parse_icmpv6(skb, key, nh_len); in key_extract_l3l4()
875 memset(&key->tp, 0, sizeof(key->tp)); in key_extract_l3l4()
878 } else if (key->eth.type == htons(ETH_P_NSH)) { in key_extract_l3l4()
879 error = parse_nsh(skb, key); in key_extract_l3l4()
887 * key_extract - extracts a flow key from an Ethernet frame.
888 * @skb: sk_buff that contains the frame, with skb->data pointing to the
890 * @key: output flow key
892 * The caller must ensure that skb->len >= ETH_HLEN.
896 * - skb->mac_header: the L2 header.
898 * - skb->network_header: just past the L2 header, or just past the
901 * - skb->transport_header: If key->eth.type is ETH_P_IP or ETH_P_IPV6
903 * of a correct length, otherwise the same as skb->network_header.
904 * For other key->eth.type values it is left untouched.
906 * - skb->protocol: the type of the data starting at skb->network_header.
907 * Equals to key->eth.type.
911 static int key_extract(struct sk_buff *skb, struct sw_flow_key *key) in key_extract() argument
916 key->tp.flags = 0; in key_extract()
921 clear_vlan(key); in key_extract()
922 if (ovs_key_mac_proto(key) == MAC_PROTO_NONE) { in key_extract()
923 if (unlikely(eth_type_vlan(skb->protocol))) in key_extract()
924 return -EINVAL; in key_extract()
927 key->eth.type = skb->protocol; in key_extract()
930 ether_addr_copy(key->eth.src, eth->h_source); in key_extract()
931 ether_addr_copy(key->eth.dst, eth->h_dest); in key_extract()
935 * update skb->csum here. in key_extract()
938 if (unlikely(parse_vlan(skb, key))) in key_extract()
939 return -ENOMEM; in key_extract()
941 key->eth.type = parse_ethertype(skb); in key_extract()
942 if (unlikely(key->eth.type == htons(0))) in key_extract()
943 return -ENOMEM; in key_extract()
947 * skb->protocol. in key_extract()
949 if (key->eth.cvlan.tci & htons(VLAN_CFI_MASK)) in key_extract()
950 skb->protocol = key->eth.cvlan.tpid; in key_extract()
952 skb->protocol = key->eth.type; in key_extract()
955 __skb_push(skb, skb->data - skb_mac_header(skb)); in key_extract()
960 /* Fill out L3/L4 key info, if any */ in key_extract()
961 return key_extract_l3l4(skb, key); in key_extract()
967 int ovs_flow_key_update_l3l4(struct sk_buff *skb, struct sw_flow_key *key) in ovs_flow_key_update_l3l4() argument
969 return key_extract_l3l4(skb, key); in ovs_flow_key_update_l3l4()
972 int ovs_flow_key_update(struct sk_buff *skb, struct sw_flow_key *key) in ovs_flow_key_update() argument
976 res = key_extract(skb, key); in ovs_flow_key_update()
978 key->mac_proto &= ~SW_FLOW_KEY_INVALID; in ovs_flow_key_update()
985 switch (skb->dev->type) { in key_extract_mac_proto()
989 if (skb->protocol == htons(ETH_P_TEB)) in key_extract_mac_proto()
994 return -EINVAL; in key_extract_mac_proto()
998 struct sk_buff *skb, struct sw_flow_key *key) in ovs_flow_key_extract() argument
1009 key->tun_proto = ip_tunnel_info_af(tun_info); in ovs_flow_key_extract()
1010 memcpy(&key->tun_key, &tun_info->key, sizeof(key->tun_key)); in ovs_flow_key_extract()
1012 if (tun_info->options_len) { in ovs_flow_key_extract()
1013 BUILD_BUG_ON((1 << (sizeof(tun_info->options_len) * in ovs_flow_key_extract()
1014 8)) - 1 in ovs_flow_key_extract()
1015 > sizeof(key->tun_opts)); in ovs_flow_key_extract()
1017 ip_tunnel_info_opts_get(TUN_METADATA_OPTS(key, tun_info->options_len), in ovs_flow_key_extract()
1019 key->tun_opts_len = tun_info->options_len; in ovs_flow_key_extract()
1021 key->tun_opts_len = 0; in ovs_flow_key_extract()
1024 key->tun_proto = 0; in ovs_flow_key_extract()
1025 key->tun_opts_len = 0; in ovs_flow_key_extract()
1026 memset(&key->tun_key, 0, sizeof(key->tun_key)); in ovs_flow_key_extract()
1029 key->phy.priority = skb->priority; in ovs_flow_key_extract()
1030 key->phy.in_port = OVS_CB(skb)->input_vport->port_no; in ovs_flow_key_extract()
1031 key->phy.skb_mark = skb->mark; in ovs_flow_key_extract()
1032 key->ovs_flow_hash = 0; in ovs_flow_key_extract()
1036 key->mac_proto = res; in ovs_flow_key_extract()
1041 key->recirc_id = tc_ext ? tc_ext->chain : 0; in ovs_flow_key_extract()
1042 OVS_CB(skb)->mru = tc_ext ? tc_ext->mru : 0; in ovs_flow_key_extract()
1043 post_ct = tc_ext ? tc_ext->post_ct : false; in ovs_flow_key_extract()
1044 post_ct_snat = post_ct ? tc_ext->post_ct_snat : false; in ovs_flow_key_extract()
1045 post_ct_dnat = post_ct ? tc_ext->post_ct_dnat : false; in ovs_flow_key_extract()
1046 zone = post_ct ? tc_ext->zone : 0; in ovs_flow_key_extract()
1048 key->recirc_id = 0; in ovs_flow_key_extract()
1051 key->recirc_id = 0; in ovs_flow_key_extract()
1054 err = key_extract(skb, key); in ovs_flow_key_extract()
1056 ovs_ct_fill_key(skb, key, post_ct); /* Must be after key_extract(). */ in ovs_flow_key_extract()
1059 key->ct_zone = zone; in ovs_flow_key_extract()
1062 key->ct_state &= ~OVS_CS_F_DST_NAT; in ovs_flow_key_extract()
1064 key->ct_state &= ~OVS_CS_F_SRC_NAT; in ovs_flow_key_extract()
1073 struct sw_flow_key *key, bool log) in ovs_flow_key_extract_userspace() argument
1081 return -EINVAL; in ovs_flow_key_extract_userspace()
1084 err = ovs_nla_get_flow_metadata(net, a, attrs, key, log); in ovs_flow_key_extract_userspace()
1088 /* key_extract assumes that skb->protocol is set-up for in ovs_flow_key_extract_userspace()
1093 * For L2 packet key eth type would be zero. skb protocol in ovs_flow_key_extract_userspace()
1094 * would be set to correct value later during key-extact. in ovs_flow_key_extract_userspace()
1097 skb->protocol = key->eth.type; in ovs_flow_key_extract_userspace()
1098 err = key_extract(skb, key); in ovs_flow_key_extract_userspace()
1103 * for packets for which it makes sense. Otherwise the key may be in ovs_flow_key_extract_userspace()
1104 * corrupted due to overlapping key fields. in ovs_flow_key_extract_userspace()
1107 key->eth.type != htons(ETH_P_IP)) in ovs_flow_key_extract_userspace()
1108 return -EINVAL; in ovs_flow_key_extract_userspace()
1110 (key->eth.type != htons(ETH_P_IPV6) || in ovs_flow_key_extract_userspace()
1111 sw_flow_key_is_nd(key))) in ovs_flow_key_extract_userspace()
1112 return -EINVAL; in ovs_flow_key_extract_userspace()