X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=lib%2Fmeta-flow.c;h=6ef564e2b6d89516fde66ec1450f185f6c610e10;hb=HEAD;hp=38c9a27aacab165c5e0bb25332ba1294b1bea1c7;hpb=c6100d92142bc3dd325180cb4e10553eb4341731;p=sliver-openvswitch.git diff --git a/lib/meta-flow.c b/lib/meta-flow.c index 38c9a27aa..6ef564e2b 100644 --- a/lib/meta-flow.c +++ b/lib/meta-flow.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2011, 2012 Nicira, Inc. + * Copyright (c) 2011, 2012, 2013 Nicira, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -18,7 +18,6 @@ #include "meta-flow.h" -#include #include #include #include @@ -28,6 +27,7 @@ #include "dynamic-string.h" #include "ofp-errors.h" #include "ofp-util.h" +#include "ovs-thread.h" #include "packets.h" #include "random.h" #include "shash.h" @@ -37,24 +37,116 @@ VLOG_DEFINE_THIS_MODULE(meta_flow); +#define FLOW_U32OFS(FIELD) \ + offsetof(struct flow, FIELD) % 4 ? -1 : offsetof(struct flow, FIELD) / 4 + #define MF_FIELD_SIZES(MEMBER) \ sizeof ((union mf_value *)0)->MEMBER, \ 8 * sizeof ((union mf_value *)0)->MEMBER -static const struct mf_field mf_fields[MFF_N_IDS] = { +extern const struct mf_field mf_fields[MFF_N_IDS]; /* Silence a warning. */ + +const struct mf_field mf_fields[MFF_N_IDS] = { /* ## -------- ## */ /* ## metadata ## */ /* ## -------- ## */ { - MFF_TUN_ID, "tun_id", NULL, + MFF_DP_HASH, "dp_hash", NULL, + MF_FIELD_SIZES(be32), + MFM_FULLY, + MFS_HEXADECIMAL, + MFP_NONE, + false, + NXM_NX_DP_HASH, "NXM_NX_DP_HASH", + NXM_NX_DP_HASH, "NXM_NX_DP_HASH", + OFPUTIL_P_NXM_OXM_ANY, + OFPUTIL_P_NXM_OXM_ANY, + -1, + }, { + MFF_RECIRC_ID, "recirc_id", NULL, + MF_FIELD_SIZES(be32), + MFM_NONE, + MFS_DECIMAL, + MFP_NONE, + false, + NXM_NX_RECIRC_ID, "NXM_NX_RECIRC_ID", + NXM_NX_RECIRC_ID, "NXM_NX_RECIRC_ID", + OFPUTIL_P_NXM_OXM_ANY, + OFPUTIL_P_NXM_OXM_ANY, + -1, + }, { + MFF_TUN_ID, "tun_id", "tunnel_id", MF_FIELD_SIZES(be64), MFM_FULLY, MFS_HEXADECIMAL, MFP_NONE, true, NXM_NX_TUN_ID, "NXM_NX_TUN_ID", - NXM_NX_TUN_ID, "NXM_NX_TUN_ID", + OXM_OF_TUNNEL_ID, "OXM_OF_TUNNEL_ID", + OFPUTIL_P_NXM_OXM_ANY, + OFPUTIL_P_NXM_OXM_ANY, + FLOW_U32OFS(tunnel.tun_id), + }, { + MFF_TUN_SRC, "tun_src", NULL, + MF_FIELD_SIZES(be32), + MFM_FULLY, + MFS_IPV4, + MFP_NONE, + true, + NXM_NX_TUN_IPV4_SRC, "NXM_NX_TUN_IPV4_SRC", + NXM_NX_TUN_IPV4_SRC, "NXM_NX_TUN_IPV4_SRC", + OFPUTIL_P_NXM_OXM_ANY, + OFPUTIL_P_NXM_OXM_ANY, + FLOW_U32OFS(tunnel.ip_src), + }, { + MFF_TUN_DST, "tun_dst", NULL, + MF_FIELD_SIZES(be32), + MFM_FULLY, + MFS_IPV4, + MFP_NONE, + true, + NXM_NX_TUN_IPV4_DST, "NXM_NX_TUN_IPV4_DST", + NXM_NX_TUN_IPV4_DST, "NXM_NX_TUN_IPV4_DST", + OFPUTIL_P_NXM_OXM_ANY, + OFPUTIL_P_NXM_OXM_ANY, + FLOW_U32OFS(tunnel.ip_dst), + }, { + MFF_TUN_FLAGS, "tun_flags", NULL, + MF_FIELD_SIZES(be16), + MFM_NONE, + MFS_TNL_FLAGS, + MFP_NONE, + false, + 0, NULL, + 0, NULL, + OFPUTIL_P_NONE, + OFPUTIL_P_NONE, + -1, + }, { + MFF_TUN_TTL, "tun_ttl", NULL, + MF_FIELD_SIZES(u8), + MFM_NONE, + MFS_DECIMAL, + MFP_NONE, + false, + 0, NULL, + 0, NULL, + OFPUTIL_P_NONE, + OFPUTIL_P_NONE, + -1, + }, { + MFF_TUN_TOS, "tun_tos", NULL, + MF_FIELD_SIZES(u8), + MFM_NONE, + MFS_DECIMAL, + MFP_NONE, + false, + 0, NULL, + 0, NULL, + OFPUTIL_P_NONE, + OFPUTIL_P_NONE, + -1, }, { MFF_METADATA, "metadata", NULL, MF_FIELD_SIZES(be64), @@ -64,15 +156,57 @@ static const struct mf_field mf_fields[MFF_N_IDS] = { true, OXM_OF_METADATA, "OXM_OF_METADATA", OXM_OF_METADATA, "OXM_OF_METADATA", + OFPUTIL_P_NXM_OF11_UP, + OFPUTIL_P_NXM_OF11_UP, + -1, }, { MFF_IN_PORT, "in_port", NULL, MF_FIELD_SIZES(be16), MFM_NONE, MFS_OFP_PORT, MFP_NONE, - false, + true, NXM_OF_IN_PORT, "NXM_OF_IN_PORT", + NXM_OF_IN_PORT, "NXM_OF_IN_PORT", + OFPUTIL_P_ANY, /* OF11+ via mapping to 32 bits. */ + OFPUTIL_P_NONE, + -1, + }, { + MFF_IN_PORT_OXM, "in_port_oxm", NULL, + MF_FIELD_SIZES(be32), + MFM_NONE, + MFS_OFP_PORT_OXM, + MFP_NONE, + true, + OXM_OF_IN_PORT, "OXM_OF_IN_PORT", OXM_OF_IN_PORT, "OXM_OF_IN_PORT", + OFPUTIL_P_OF11_UP, + OFPUTIL_P_NONE, + -1, + }, { + MFF_SKB_PRIORITY, "skb_priority", NULL, + MF_FIELD_SIZES(be32), + MFM_NONE, + MFS_HEXADECIMAL, + MFP_NONE, + false, + 0, NULL, + 0, NULL, + OFPUTIL_P_NONE, + OFPUTIL_P_NONE, + -1, + }, { + MFF_PKT_MARK, "pkt_mark", NULL, + MF_FIELD_SIZES(be32), + MFM_FULLY, + MFS_HEXADECIMAL, + MFP_NONE, + true, + NXM_NX_PKT_MARK, "NXM_NX_PKT_MARK", + NXM_NX_PKT_MARK, "NXM_NX_PKT_MARK", + OFPUTIL_P_NXM_OXM_ANY, + OFPUTIL_P_NXM_OXM_ANY, + -1, }, #define REGISTER(IDX) \ @@ -85,6 +219,9 @@ static const struct mf_field mf_fields[MFF_N_IDS] = { true, \ NXM_NX_REG(IDX), "NXM_NX_REG" #IDX, \ NXM_NX_REG(IDX), "NXM_NX_REG" #IDX, \ + OFPUTIL_P_NXM_OXM_ANY, \ + OFPUTIL_P_NXM_OXM_ANY, \ + -1, \ } #if FLOW_N_REGS > 0 REGISTER(0), @@ -127,6 +264,9 @@ static const struct mf_field mf_fields[MFF_N_IDS] = { true, NXM_OF_ETH_SRC, "NXM_OF_ETH_SRC", OXM_OF_ETH_SRC, "OXM_OF_ETH_SRC", + OFPUTIL_P_ANY, + OFPUTIL_P_NXM_OF11_UP, /* Bitwise masking only with NXM and OF11+! */ + -1, }, { MFF_ETH_DST, "eth_dst", "dl_dst", MF_FIELD_SIZES(mac), @@ -136,6 +276,9 @@ static const struct mf_field mf_fields[MFF_N_IDS] = { true, NXM_OF_ETH_DST, "NXM_OF_ETH_DST", OXM_OF_ETH_DST, "OXM_OF_ETH_DST", + OFPUTIL_P_ANY, + OFPUTIL_P_NXM_OF11_UP, /* Bitwise masking only with NXM and OF11+! */ + -1, }, { MFF_ETH_TYPE, "eth_type", "dl_type", MF_FIELD_SIZES(be16), @@ -145,6 +288,9 @@ static const struct mf_field mf_fields[MFF_N_IDS] = { false, NXM_OF_ETH_TYPE, "NXM_OF_ETH_TYPE", OXM_OF_ETH_TYPE, "OXM_OF_ETH_TYPE", + OFPUTIL_P_ANY, + OFPUTIL_P_NONE, + -1, }, { @@ -156,6 +302,9 @@ static const struct mf_field mf_fields[MFF_N_IDS] = { true, NXM_OF_VLAN_TCI, "NXM_OF_VLAN_TCI", NXM_OF_VLAN_TCI, "NXM_OF_VLAN_TCI", + OFPUTIL_P_ANY, + OFPUTIL_P_NXM_OXM_ANY, + -1, }, { MFF_DL_VLAN, "dl_vlan", NULL, sizeof(ovs_be16), 12, @@ -165,6 +314,9 @@ static const struct mf_field mf_fields[MFF_N_IDS] = { true, 0, NULL, 0, NULL, + OFPUTIL_P_ANY, + OFPUTIL_P_NXM_OXM_ANY, + -1, }, { MFF_VLAN_VID, "vlan_vid", NULL, sizeof(ovs_be16), 12, @@ -174,6 +326,9 @@ static const struct mf_field mf_fields[MFF_N_IDS] = { true, OXM_OF_VLAN_VID, "OXM_OF_VLAN_VID", OXM_OF_VLAN_VID, "OXM_OF_VLAN_VID", + OFPUTIL_P_ANY, + OFPUTIL_P_NXM_OXM_ANY, + -1, }, { MFF_DL_VLAN_PCP, "dl_vlan_pcp", NULL, 1, 3, @@ -183,6 +338,9 @@ static const struct mf_field mf_fields[MFF_N_IDS] = { true, 0, NULL, 0, NULL, + OFPUTIL_P_ANY, /* Will be mapped to NXM and OXM. */ + OFPUTIL_P_NONE, + -1, }, { MFF_VLAN_PCP, "vlan_pcp", NULL, 1, 3, @@ -192,6 +350,50 @@ static const struct mf_field mf_fields[MFF_N_IDS] = { true, OXM_OF_VLAN_PCP, "OXM_OF_VLAN_PCP", OXM_OF_VLAN_PCP, "OXM_OF_VLAN_PCP", + OFPUTIL_P_ANY, /* Will be mapped to OF10 and NXM. */ + OFPUTIL_P_NONE, + -1, + }, + + /* ## ---- ## */ + /* ## L2.5 ## */ + /* ## ---- ## */ + { + MFF_MPLS_LABEL, "mpls_label", NULL, + 4, 20, + MFM_NONE, + MFS_DECIMAL, + MFP_MPLS, + true, + OXM_OF_MPLS_LABEL, "OXM_OF_MPLS_LABEL", + OXM_OF_MPLS_LABEL, "OXM_OF_MPLS_LABEL", + OFPUTIL_P_NXM_OF11_UP, + OFPUTIL_P_NONE, + -1, + }, { + MFF_MPLS_TC, "mpls_tc", NULL, + 1, 3, + MFM_NONE, + MFS_DECIMAL, + MFP_MPLS, + true, + OXM_OF_MPLS_TC, "OXM_OF_MPLS_TC", + OXM_OF_MPLS_TC, "OXM_OF_MPLS_TC", + OFPUTIL_P_NXM_OF11_UP, + OFPUTIL_P_NONE, + -1, + }, { + MFF_MPLS_BOS, "mpls_bos", NULL, + 1, 1, + MFM_NONE, + MFS_DECIMAL, + MFP_MPLS, + false, + OXM_OF_MPLS_BOS, "OXM_OF_MPLS_BOS", + OXM_OF_MPLS_BOS, "OXM_OF_MPLS_BOS", + OFPUTIL_P_NXM_OXM_ANY, + OFPUTIL_P_NONE, + -1, }, /* ## -- ## */ @@ -207,6 +409,9 @@ static const struct mf_field mf_fields[MFF_N_IDS] = { true, NXM_OF_IP_SRC, "NXM_OF_IP_SRC", OXM_OF_IPV4_SRC, "OXM_OF_IPV4_SRC", + OFPUTIL_P_ANY, + OFPUTIL_P_NXM_OF11_UP, + FLOW_U32OFS(nw_src), }, { MFF_IPV4_DST, "ip_dst", "nw_dst", MF_FIELD_SIZES(be32), @@ -216,6 +421,9 @@ static const struct mf_field mf_fields[MFF_N_IDS] = { true, NXM_OF_IP_DST, "NXM_OF_IP_DST", OXM_OF_IPV4_DST, "OXM_OF_IPV4_DST", + OFPUTIL_P_ANY, + OFPUTIL_P_NXM_OF11_UP, + FLOW_U32OFS(nw_dst), }, { @@ -227,6 +435,9 @@ static const struct mf_field mf_fields[MFF_N_IDS] = { true, NXM_NX_IPV6_SRC, "NXM_NX_IPV6_SRC", OXM_OF_IPV6_SRC, "OXM_OF_IPV6_SRC", + OFPUTIL_P_NXM_OXM_ANY, + OFPUTIL_P_NXM_OXM_ANY, + FLOW_U32OFS(ipv6_src), }, { MFF_IPV6_DST, "ipv6_dst", NULL, MF_FIELD_SIZES(ipv6), @@ -236,6 +447,9 @@ static const struct mf_field mf_fields[MFF_N_IDS] = { true, NXM_NX_IPV6_DST, "NXM_NX_IPV6_DST", OXM_OF_IPV6_DST, "OXM_OF_IPV6_DST", + OFPUTIL_P_NXM_OXM_ANY, + OFPUTIL_P_NXM_OXM_ANY, + FLOW_U32OFS(ipv6_dst), }, { MFF_IPV6_LABEL, "ipv6_label", NULL, @@ -246,10 +460,13 @@ static const struct mf_field mf_fields[MFF_N_IDS] = { false, NXM_NX_IPV6_LABEL, "NXM_NX_IPV6_LABEL", OXM_OF_IPV6_FLABEL, "OXM_OF_IPV6_FLABEL", + OFPUTIL_P_NXM_OXM_ANY, + OFPUTIL_P_NXM_OXM_ANY, + -1, }, { - MFF_IP_PROTO, "nw_proto", NULL, + MFF_IP_PROTO, "nw_proto", "ip_proto", MF_FIELD_SIZES(u8), MFM_NONE, MFS_DECIMAL, @@ -257,6 +474,9 @@ static const struct mf_field mf_fields[MFF_N_IDS] = { false, NXM_OF_IP_PROTO, "NXM_OF_IP_PROTO", OXM_OF_IP_PROTO, "OXM_OF_IP_PROTO", + OFPUTIL_P_ANY, + OFPUTIL_P_NONE, + -1, }, { MFF_IP_DSCP, "nw_tos", NULL, MF_FIELD_SIZES(u8), @@ -265,9 +485,24 @@ static const struct mf_field mf_fields[MFF_N_IDS] = { MFP_IP_ANY, true, NXM_OF_IP_TOS, "NXM_OF_IP_TOS", + NXM_OF_IP_TOS, "NXM_OF_IP_TOS", + OFPUTIL_P_ANY, /* Will be shifted for OXM. */ + OFPUTIL_P_NONE, + -1, + }, { + MFF_IP_DSCP_SHIFTED, "ip_dscp", NULL, + 1, 6, + MFM_NONE, + MFS_DECIMAL, + MFP_IP_ANY, + true, + OXM_OF_IP_DSCP, "OXM_OF_IP_DSCP", OXM_OF_IP_DSCP, "OXM_OF_IP_DSCP", + OFPUTIL_P_ANY, /* Will be shifted for non-OXM. */ + OFPUTIL_P_NONE, + -1, }, { - MFF_IP_ECN, "nw_ecn", NULL, + MFF_IP_ECN, "nw_ecn", "ip_ecn", 1, 2, MFM_NONE, MFS_DECIMAL, @@ -275,6 +510,9 @@ static const struct mf_field mf_fields[MFF_N_IDS] = { true, NXM_NX_IP_ECN, "NXM_NX_IP_ECN", OXM_OF_IP_ECN, "OXM_OF_IP_ECN", + OFPUTIL_P_NXM_OXM_ANY, + OFPUTIL_P_NONE, + -1, }, { MFF_IP_TTL, "nw_ttl", NULL, MF_FIELD_SIZES(u8), @@ -284,6 +522,9 @@ static const struct mf_field mf_fields[MFF_N_IDS] = { true, NXM_NX_IP_TTL, "NXM_NX_IP_TTL", NXM_NX_IP_TTL, "NXM_NX_IP_TTL", + OFPUTIL_P_NXM_OXM_ANY, + OFPUTIL_P_NONE, + -1, }, { MFF_IP_FRAG, "ip_frag", NULL, 1, 2, @@ -293,6 +534,9 @@ static const struct mf_field mf_fields[MFF_N_IDS] = { false, NXM_NX_IP_FRAG, "NXM_NX_IP_FRAG", NXM_NX_IP_FRAG, "NXM_NX_IP_FRAG", + OFPUTIL_P_NXM_OXM_ANY, + OFPUTIL_P_NXM_OXM_ANY, + -1, }, { @@ -301,45 +545,60 @@ static const struct mf_field mf_fields[MFF_N_IDS] = { MFM_NONE, MFS_DECIMAL, MFP_ARP, - false, + true, NXM_OF_ARP_OP, "NXM_OF_ARP_OP", OXM_OF_ARP_OP, "OXM_OF_ARP_OP", + OFPUTIL_P_ANY, + OFPUTIL_P_NONE, + -1, }, { MFF_ARP_SPA, "arp_spa", NULL, MF_FIELD_SIZES(be32), MFM_FULLY, MFS_IPV4, MFP_ARP, - false, + true, NXM_OF_ARP_SPA, "NXM_OF_ARP_SPA", OXM_OF_ARP_SPA, "OXM_OF_ARP_SPA", + OFPUTIL_P_ANY, + OFPUTIL_P_NXM_OF11_UP, + -1, }, { MFF_ARP_TPA, "arp_tpa", NULL, MF_FIELD_SIZES(be32), MFM_FULLY, MFS_IPV4, MFP_ARP, - false, + true, NXM_OF_ARP_TPA, "NXM_OF_ARP_TPA", OXM_OF_ARP_TPA, "OXM_OF_ARP_TPA", + OFPUTIL_P_ANY, + OFPUTIL_P_NXM_OF11_UP, + -1, }, { MFF_ARP_SHA, "arp_sha", NULL, MF_FIELD_SIZES(mac), MFM_FULLY, MFS_ETHERNET, MFP_ARP, - false, + true, NXM_NX_ARP_SHA, "NXM_NX_ARP_SHA", OXM_OF_ARP_SHA, "OXM_OF_ARP_SHA", + OFPUTIL_P_NXM_OXM_ANY, + OFPUTIL_P_NXM_OXM_ANY, + -1, }, { MFF_ARP_THA, "arp_tha", NULL, MF_FIELD_SIZES(mac), MFM_FULLY, MFS_ETHERNET, MFP_ARP, - false, + true, NXM_NX_ARP_THA, "NXM_NX_ARP_THA", OXM_OF_ARP_THA, "OXM_OF_ARP_THA", + OFPUTIL_P_NXM_OXM_ANY, + OFPUTIL_P_NXM_OXM_ANY, + -1, }, /* ## -- ## */ @@ -355,6 +614,9 @@ static const struct mf_field mf_fields[MFF_N_IDS] = { true, NXM_OF_TCP_SRC, "NXM_OF_TCP_SRC", OXM_OF_TCP_SRC, "OXM_OF_TCP_SRC", + OFPUTIL_P_ANY, + OFPUTIL_P_NXM_OXM_ANY, + -1, }, { MFF_TCP_DST, "tcp_dst", "tp_dst", MF_FIELD_SIZES(be16), @@ -364,6 +626,21 @@ static const struct mf_field mf_fields[MFF_N_IDS] = { true, NXM_OF_TCP_DST, "NXM_OF_TCP_DST", OXM_OF_TCP_DST, "OXM_OF_TCP_DST", + OFPUTIL_P_ANY, + OFPUTIL_P_NXM_OXM_ANY, + -1, + }, { + MFF_TCP_FLAGS, "tcp_flags", NULL, + 2, 12, + MFM_FULLY, + MFS_TCP_FLAGS, + MFP_TCP, + false, + NXM_NX_TCP_FLAGS, "NXM_NX_TCP_FLAGS", + NXM_NX_TCP_FLAGS, "NXM_NX_TCP_FLAGS", + OFPUTIL_P_NXM_OXM_ANY, + OFPUTIL_P_NXM_OXM_ANY, + -1, }, { @@ -375,6 +652,9 @@ static const struct mf_field mf_fields[MFF_N_IDS] = { true, NXM_OF_UDP_SRC, "NXM_OF_UDP_SRC", OXM_OF_UDP_SRC, "OXM_OF_UDP_SRC", + OFPUTIL_P_ANY, + OFPUTIL_P_NXM_OXM_ANY, + -1, }, { MFF_UDP_DST, "udp_dst", NULL, MF_FIELD_SIZES(be16), @@ -384,6 +664,35 @@ static const struct mf_field mf_fields[MFF_N_IDS] = { true, NXM_OF_UDP_DST, "NXM_OF_UDP_DST", OXM_OF_UDP_DST, "OXM_OF_UDP_DST", + OFPUTIL_P_ANY, + OFPUTIL_P_NXM_OXM_ANY, + -1, + }, + + { + MFF_SCTP_SRC, "sctp_src", NULL, + MF_FIELD_SIZES(be16), + MFM_FULLY, + MFS_DECIMAL, + MFP_SCTP, + true, + OXM_OF_SCTP_SRC, "OXM_OF_SCTP_SRC", + OXM_OF_SCTP_SRC, "OXM_OF_SCTP_SRC", + OFPUTIL_P_NXM_OF11_UP, + OFPUTIL_P_NXM_OXM_ANY, + -1, + }, { + MFF_SCTP_DST, "sctp_dst", NULL, + MF_FIELD_SIZES(be16), + MFM_FULLY, + MFS_DECIMAL, + MFP_SCTP, + true, + OXM_OF_SCTP_DST, "OXM_OF_SCTP_DST", + OXM_OF_SCTP_DST, "OXM_OF_SCTP_DST", + OFPUTIL_P_NXM_OF11_UP, + OFPUTIL_P_NXM_OXM_ANY, + -1, }, { @@ -395,6 +704,9 @@ static const struct mf_field mf_fields[MFF_N_IDS] = { false, NXM_OF_ICMP_TYPE, "NXM_OF_ICMP_TYPE", OXM_OF_ICMPV4_TYPE, "OXM_OF_ICMPV4_TYPE", + OFPUTIL_P_ANY, + OFPUTIL_P_NONE, + -1, }, { MFF_ICMPV4_CODE, "icmp_code", NULL, MF_FIELD_SIZES(u8), @@ -404,6 +716,9 @@ static const struct mf_field mf_fields[MFF_N_IDS] = { false, NXM_OF_ICMP_CODE, "NXM_OF_ICMP_CODE", OXM_OF_ICMPV4_CODE, "OXM_OF_ICMPV4_CODE", + OFPUTIL_P_ANY, + OFPUTIL_P_NONE, + -1, }, { @@ -415,6 +730,9 @@ static const struct mf_field mf_fields[MFF_N_IDS] = { false, NXM_NX_ICMPV6_TYPE, "NXM_NX_ICMPV6_TYPE", OXM_OF_ICMPV6_TYPE, "OXM_OF_ICMPV6_TYPE", + OFPUTIL_P_NXM_OXM_ANY, + OFPUTIL_P_NONE, + -1, }, { MFF_ICMPV6_CODE, "icmpv6_code", NULL, MF_FIELD_SIZES(u8), @@ -424,6 +742,9 @@ static const struct mf_field mf_fields[MFF_N_IDS] = { false, NXM_NX_ICMPV6_CODE, "NXM_NX_ICMPV6_CODE", OXM_OF_ICMPV6_CODE, "OXM_OF_ICMPV6_CODE", + OFPUTIL_P_NXM_OXM_ANY, + OFPUTIL_P_NONE, + -1, }, /* ## ---- ## */ @@ -439,6 +760,9 @@ static const struct mf_field mf_fields[MFF_N_IDS] = { false, NXM_NX_ND_TARGET, "NXM_NX_ND_TARGET", OXM_OF_IPV6_ND_TARGET, "OXM_OF_IPV6_ND_TARGET", + OFPUTIL_P_NXM_OXM_ANY, + OFPUTIL_P_NXM_OXM_ANY, + -1, }, { MFF_ND_SLL, "nd_sll", NULL, MF_FIELD_SIZES(mac), @@ -448,6 +772,9 @@ static const struct mf_field mf_fields[MFF_N_IDS] = { false, NXM_NX_ND_SLL, "NXM_NX_ND_SLL", OXM_OF_IPV6_ND_SLL, "OXM_OF_IPV6_ND_SLL", + OFPUTIL_P_NXM_OXM_ANY, + OFPUTIL_P_NXM_OXM_ANY, + -1, }, { MFF_ND_TLL, "nd_tll", NULL, MF_FIELD_SIZES(mac), @@ -457,6 +784,9 @@ static const struct mf_field mf_fields[MFF_N_IDS] = { false, NXM_NX_ND_TLL, "NXM_NX_ND_TLL", OXM_OF_IPV6_ND_TLL, "OXM_OF_IPV6_ND_TLL", + OFPUTIL_P_NXM_OXM_ANY, + OFPUTIL_P_NXM_OXM_ANY, + -1, } }; @@ -468,40 +798,24 @@ struct nxm_field { }; /* Contains 'struct nxm_field's. */ -static struct hmap all_fields = HMAP_INITIALIZER(&all_fields); +static struct hmap all_fields; + +/* Maps from an mf_field's 'name' or 'extra_name' to the mf_field. */ +static struct shash mf_by_name; /* Rate limit for parse errors. These always indicate a bug in an OpenFlow * controller and so there's not much point in showing a lot of them. */ static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); const struct mf_field *mf_from_nxm_header__(uint32_t header); - -/* Returns the field with the given 'id'. */ -const struct mf_field * -mf_from_id(enum mf_field_id id) -{ - assert((unsigned int) id < MFF_N_IDS); - return &mf_fields[id]; -} +static void nxm_init(void); /* Returns the field with the given 'name', or a null pointer if no field has * that name. */ const struct mf_field * mf_from_name(const char *name) { - static struct shash mf_by_name = SHASH_INITIALIZER(&mf_by_name); - - if (shash_is_empty(&mf_by_name)) { - const struct mf_field *mf; - - for (mf = mf_fields; mf < &mf_fields[MFF_N_IDS]; mf++) { - shash_add_once(&mf_by_name, mf->name, mf); - if (mf->extra_name) { - shash_add_once(&mf_by_name, mf->extra_name, mf); - } - } - } - + nxm_init(); return shash_find_data(&mf_by_name, name); } @@ -520,7 +834,7 @@ static void nxm_init_add_field(const struct mf_field *mf, uint32_t header) { if (header) { - assert(!mf_from_nxm_header__(header)); + ovs_assert(!mf_from_nxm_header__(header)); add_nxm_field(header, mf); if (mf->maskable != MFM_NONE) { add_nxm_field(NXM_MAKE_WILD_HEADER(header), mf); @@ -529,24 +843,40 @@ nxm_init_add_field(const struct mf_field *mf, uint32_t header) } static void -nxm_init(void) +nxm_do_init(void) { - const struct mf_field *mf; + int i; + + hmap_init(&all_fields); + shash_init(&mf_by_name); + for (i = 0; i < MFF_N_IDS; i++) { + const struct mf_field *mf = &mf_fields[i]; + + ovs_assert(mf->id == i); /* Fields must be in the enum order. */ - for (mf = mf_fields; mf < &mf_fields[MFF_N_IDS]; mf++) { nxm_init_add_field(mf, mf->nxm_header); if (mf->oxm_header != mf->nxm_header) { nxm_init_add_field(mf, mf->oxm_header); } + + shash_add_once(&mf_by_name, mf->name, mf); + if (mf->extra_name) { + shash_add_once(&mf_by_name, mf->extra_name, mf); + } } } +static void +nxm_init(void) +{ + static pthread_once_t once = PTHREAD_ONCE_INIT; + pthread_once(&once, nxm_do_init); +} + const struct mf_field * mf_from_nxm_header(uint32_t header) { - if (hmap_is_empty(&all_fields)) { - nxm_init(); - } + nxm_init(); return mf_from_nxm_header__(header); } @@ -573,12 +903,28 @@ bool mf_is_all_wild(const struct mf_field *mf, const struct flow_wildcards *wc) { switch (mf->id) { + case MFF_DP_HASH: + return !wc->masks.dp_hash; + case MFF_RECIRC_ID: + return !wc->masks.recirc_id; + case MFF_TUN_SRC: + return !wc->masks.tunnel.ip_src; + case MFF_TUN_DST: + return !wc->masks.tunnel.ip_dst; case MFF_TUN_ID: - return !wc->masks.tun_id; + case MFF_TUN_TOS: + case MFF_TUN_TTL: + case MFF_TUN_FLAGS: + return !wc->masks.tunnel.tun_id; case MFF_METADATA: return !wc->masks.metadata; case MFF_IN_PORT: - return !wc->masks.in_port; + case MFF_IN_PORT_OXM: + return !wc->masks.in_port.ofp_port; + case MFF_SKB_PRIORITY: + return !wc->masks.skb_priority; + case MFF_PKT_MARK: + return !wc->masks.pkt_mark; CASE_MFF_REGS: return !wc->masks.regs[mf->id - MFF_REG0]; @@ -607,6 +953,13 @@ mf_is_all_wild(const struct mf_field *mf, const struct flow_wildcards *wc) case MFF_VLAN_PCP: return !(wc->masks.vlan_tci & htons(VLAN_PCP_MASK)); + case MFF_MPLS_LABEL: + return !(wc->masks.mpls_lse[0] & htonl(MPLS_LABEL_MASK)); + case MFF_MPLS_TC: + return !(wc->masks.mpls_lse[1] & htonl(MPLS_TC_MASK)); + case MFF_MPLS_BOS: + return !(wc->masks.mpls_lse[2] & htonl(MPLS_BOS_MASK)); + case MFF_IPV4_SRC: return !wc->masks.nw_src; case MFF_IPV4_DST: @@ -623,6 +976,7 @@ mf_is_all_wild(const struct mf_field *mf, const struct flow_wildcards *wc) case MFF_IP_PROTO: return !wc->masks.nw_proto; case MFF_IP_DSCP: + case MFF_IP_DSCP_SHIFTED: return !(wc->masks.nw_tos & IP_DSCP_MASK); case MFF_IP_ECN: return !(wc->masks.nw_tos & IP_ECN_MASK); @@ -644,18 +998,22 @@ mf_is_all_wild(const struct mf_field *mf, const struct flow_wildcards *wc) case MFF_TCP_SRC: case MFF_UDP_SRC: + case MFF_SCTP_SRC: case MFF_ICMPV4_TYPE: case MFF_ICMPV6_TYPE: return !wc->masks.tp_src; case MFF_TCP_DST: case MFF_UDP_DST: + case MFF_SCTP_DST: case MFF_ICMPV4_CODE: case MFF_ICMPV6_CODE: return !wc->masks.tp_dst; + case MFF_TCP_FLAGS: + return !wc->masks.tcp_flags; case MFF_N_IDS: default: - NOT_REACHED(); + OVS_NOT_REACHED(); } } @@ -669,122 +1027,7 @@ void mf_get_mask(const struct mf_field *mf, const struct flow_wildcards *wc, union mf_value *mask) { - switch (mf->id) { - case MFF_TUN_ID: - mask->be64 = wc->masks.tun_id; - break; - case MFF_METADATA: - mask->be64 = wc->masks.metadata; - break; - case MFF_IN_PORT: - mask->be16 = htons(wc->masks.in_port); - break; - CASE_MFF_REGS: - mask->be32 = htonl(wc->masks.regs[mf->id - MFF_REG0]); - break; - - case MFF_ETH_DST: - memcpy(mask->mac, wc->masks.dl_dst, ETH_ADDR_LEN); - break; - case MFF_ETH_SRC: - memcpy(mask->mac, wc->masks.dl_src, ETH_ADDR_LEN); - break; - case MFF_ETH_TYPE: - mask->be16 = wc->masks.dl_type; - break; - - case MFF_VLAN_TCI: - mask->be16 = wc->masks.vlan_tci; - break; - case MFF_DL_VLAN: - mask->be16 = wc->masks.vlan_tci & htons(VLAN_VID_MASK); - break; - case MFF_VLAN_VID: - mask->be16 = wc->masks.vlan_tci & htons(VLAN_VID_MASK | VLAN_CFI); - break; - case MFF_DL_VLAN_PCP: - case MFF_VLAN_PCP: - mask->u8 = vlan_tci_to_pcp(wc->masks.vlan_tci); - break; - - case MFF_IPV4_SRC: - mask->be32 = wc->masks.nw_src; - break; - case MFF_IPV4_DST: - mask->be32 = wc->masks.nw_dst; - break; - - case MFF_IPV6_SRC: - mask->ipv6 = wc->masks.ipv6_src; - break; - case MFF_IPV6_DST: - mask->ipv6 = wc->masks.ipv6_dst; - break; - case MFF_IPV6_LABEL: - mask->be32 = wc->masks.ipv6_label; - break; - - case MFF_IP_PROTO: - mask->u8 = wc->masks.nw_proto; - break; - case MFF_IP_DSCP: - mask->u8 = wc->masks.nw_tos & IP_DSCP_MASK; - break; - case MFF_IP_ECN: - mask->u8 = wc->masks.nw_tos & IP_ECN_MASK; - break; - - case MFF_ND_TARGET: - mask->ipv6 = wc->masks.nd_target; - break; - - case MFF_IP_TTL: - mask->u8 = wc->masks.nw_ttl; - break; - case MFF_IP_FRAG: - mask->u8 = wc->masks.nw_frag & FLOW_NW_FRAG_MASK; - break; - - case MFF_ARP_OP: - mask->u8 = wc->masks.nw_proto; - break; - case MFF_ARP_SPA: - mask->be32 = wc->masks.nw_src; - break; - case MFF_ARP_TPA: - mask->be32 = wc->masks.nw_dst; - break; - case MFF_ARP_SHA: - case MFF_ND_SLL: - memcpy(mask->mac, wc->masks.arp_sha, ETH_ADDR_LEN); - break; - case MFF_ARP_THA: - case MFF_ND_TLL: - memcpy(mask->mac, wc->masks.arp_tha, ETH_ADDR_LEN); - break; - - case MFF_TCP_SRC: - case MFF_UDP_SRC: - mask->be16 = wc->masks.tp_src; - break; - case MFF_TCP_DST: - case MFF_UDP_DST: - mask->be16 = wc->masks.tp_dst; - break; - - case MFF_ICMPV4_TYPE: - case MFF_ICMPV6_TYPE: - mask->u8 = ntohs(wc->masks.tp_src); - break; - case MFF_ICMPV4_CODE: - case MFF_ICMPV6_CODE: - mask->u8 = ntohs(wc->masks.tp_dst); - break; - - case MFF_N_IDS: - default: - NOT_REACHED(); - } + mf_get_value(mf, &wc->masks, mask); } /* Tests whether 'mask' is a valid wildcard bit pattern for 'mf'. Returns true @@ -801,28 +1044,7 @@ mf_is_mask_valid(const struct mf_field *mf, const union mf_value *mask) return true; } - NOT_REACHED(); -} - -static bool -is_ip_any(const struct flow *flow) -{ - return (flow->dl_type == htons(ETH_TYPE_IP) || - flow->dl_type == htons(ETH_TYPE_IPV6)); -} - -static bool -is_icmpv4(const struct flow *flow) -{ - return (flow->dl_type == htons(ETH_TYPE_IP) - && flow->nw_proto == IPPROTO_ICMP); -} - -static bool -is_icmpv6(const struct flow *flow) -{ - return (flow->dl_type == htons(ETH_TYPE_IPV6) - && flow->nw_proto == IPPROTO_ICMPV6); + OVS_NOT_REACHED(); } /* Returns true if 'flow' meets the prerequisites for 'mf', false otherwise. */ @@ -834,13 +1056,16 @@ mf_are_prereqs_ok(const struct mf_field *mf, const struct flow *flow) return true; case MFP_ARP: - return flow->dl_type == htons(ETH_TYPE_ARP); + return (flow->dl_type == htons(ETH_TYPE_ARP) || + flow->dl_type == htons(ETH_TYPE_RARP)); case MFP_IPV4: return flow->dl_type == htons(ETH_TYPE_IP); case MFP_IPV6: return flow->dl_type == htons(ETH_TYPE_IPV6); case MFP_VLAN_VID: return (flow->vlan_tci & htons(VLAN_CFI)) != 0; + case MFP_MPLS: + return eth_type_mpls(flow->dl_type); case MFP_IP_ANY: return is_ip_any(flow); @@ -848,6 +1073,8 @@ mf_are_prereqs_ok(const struct mf_field *mf, const struct flow *flow) return is_ip_any(flow) && flow->nw_proto == IPPROTO_TCP; case MFP_UDP: return is_ip_any(flow) && flow->nw_proto == IPPROTO_UDP; + case MFP_SCTP: + return is_ip_any(flow) && flow->nw_proto == IPPROTO_SCTP; case MFP_ICMPV4: return is_icmpv4(flow); case MFP_ICMPV6: @@ -868,9 +1095,49 @@ mf_are_prereqs_ok(const struct mf_field *mf, const struct flow *flow) && (flow->tp_src == htons(ND_NEIGHBOR_ADVERT))); } - NOT_REACHED(); + OVS_NOT_REACHED(); } +/* Set field and it's prerequisities in the mask. + * This is only ever called for writeable 'mf's, but we do not make the + * distinction here. */ +void +mf_mask_field_and_prereqs(const struct mf_field *mf, struct flow *mask) +{ + static const union mf_value exact_match_mask = MF_EXACT_MASK_INITIALIZER; + + mf_set_flow_value(mf, &exact_match_mask, mask); + + switch (mf->prereqs) { + case MFP_ND: + case MFP_ND_SOLICIT: + case MFP_ND_ADVERT: + mask->tp_src = OVS_BE16_MAX; + mask->tp_dst = OVS_BE16_MAX; + /* Fall through. */ + case MFP_TCP: + case MFP_UDP: + case MFP_SCTP: + case MFP_ICMPV4: + case MFP_ICMPV6: + mask->nw_proto = 0xff; + /* Fall through. */ + case MFP_ARP: + case MFP_IPV4: + case MFP_IPV6: + case MFP_MPLS: + case MFP_IP_ANY: + mask->dl_type = OVS_BE16_MAX; + break; + case MFP_VLAN_VID: + mask->vlan_tci |= htons(VLAN_CFI); + break; + case MFP_NONE: + break; + } +} + + /* Returns true if 'value' may be a valid value *as part of a masked match*, * false otherwise. * @@ -885,9 +1152,18 @@ bool mf_is_value_valid(const struct mf_field *mf, const union mf_value *value) { switch (mf->id) { + case MFF_DP_HASH: + case MFF_RECIRC_ID: case MFF_TUN_ID: + case MFF_TUN_SRC: + case MFF_TUN_DST: + case MFF_TUN_TOS: + case MFF_TUN_TTL: + case MFF_TUN_FLAGS: case MFF_METADATA: case MFF_IN_PORT: + case MFF_SKB_PRIORITY: + case MFF_PKT_MARK: CASE_MFF_REGS: case MFF_ETH_SRC: case MFF_ETH_DST: @@ -907,6 +1183,8 @@ mf_is_value_valid(const struct mf_field *mf, const union mf_value *value) case MFF_TCP_DST: case MFF_UDP_SRC: case MFF_UDP_DST: + case MFF_SCTP_SRC: + case MFF_SCTP_DST: case MFF_ICMPV4_TYPE: case MFF_ICMPV4_CODE: case MFF_ICMPV6_TYPE: @@ -916,12 +1194,21 @@ mf_is_value_valid(const struct mf_field *mf, const union mf_value *value) case MFF_ND_TLL: return true; + case MFF_IN_PORT_OXM: { + ofp_port_t port; + return !ofputil_port_from_ofp11(value->be32, &port); + } + case MFF_IP_DSCP: return !(value->u8 & ~IP_DSCP_MASK); + case MFF_IP_DSCP_SHIFTED: + return !(value->u8 & (~IP_DSCP_MASK >> 2)); case MFF_IP_ECN: return !(value->u8 & ~IP_ECN_MASK); case MFF_IP_FRAG: return !(value->u8 & ~FLOW_NW_FRAG_MASK); + case MFF_TCP_FLAGS: + return !(value->be16 & ~htons(0x0fff)); case MFF_ARP_OP: return !(value->be16 & htons(0xff00)); @@ -938,9 +1225,18 @@ mf_is_value_valid(const struct mf_field *mf, const union mf_value *value) case MFF_IPV6_LABEL: return !(value->be32 & ~htonl(IPV6_LABEL_MASK)); + case MFF_MPLS_LABEL: + return !(value->be32 & ~htonl(MPLS_LABEL_MASK >> MPLS_LABEL_SHIFT)); + + case MFF_MPLS_TC: + return !(value->u8 & ~(MPLS_TC_MASK >> MPLS_TC_SHIFT)); + + case MFF_MPLS_BOS: + return !(value->u8 & ~(MPLS_BOS_MASK >> MPLS_BOS_SHIFT)); + case MFF_N_IDS: default: - NOT_REACHED(); + OVS_NOT_REACHED(); } } @@ -951,15 +1247,48 @@ mf_get_value(const struct mf_field *mf, const struct flow *flow, union mf_value *value) { switch (mf->id) { + case MFF_DP_HASH: + value->be32 = htonl(flow->dp_hash); + break; + case MFF_RECIRC_ID: + value->be32 = htonl(flow->recirc_id); + break; case MFF_TUN_ID: - value->be64 = flow->tun_id; + value->be64 = flow->tunnel.tun_id; + break; + case MFF_TUN_SRC: + value->be32 = flow->tunnel.ip_src; break; + case MFF_TUN_DST: + value->be32 = flow->tunnel.ip_dst; + break; + case MFF_TUN_FLAGS: + value->be16 = htons(flow->tunnel.flags); + break; + case MFF_TUN_TTL: + value->u8 = flow->tunnel.ip_ttl; + break; + case MFF_TUN_TOS: + value->u8 = flow->tunnel.ip_tos; + break; + case MFF_METADATA: value->be64 = flow->metadata; break; case MFF_IN_PORT: - value->be16 = htons(flow->in_port); + value->be16 = htons(ofp_to_u16(flow->in_port.ofp_port)); + break; + case MFF_IN_PORT_OXM: + value->be32 = ofputil_port_to_ofp11(flow->in_port.ofp_port); + break; + + case MFF_SKB_PRIORITY: + value->be32 = htonl(flow->skb_priority); + break; + + case MFF_PKT_MARK: + value->be32 = htonl(flow->pkt_mark); break; CASE_MFF_REGS: @@ -994,6 +1323,18 @@ mf_get_value(const struct mf_field *mf, const struct flow *flow, value->u8 = vlan_tci_to_pcp(flow->vlan_tci); break; + case MFF_MPLS_LABEL: + value->be32 = htonl(mpls_lse_to_label(flow->mpls_lse[0])); + break; + + case MFF_MPLS_TC: + value->u8 = mpls_lse_to_tc(flow->mpls_lse[0]); + break; + + case MFF_MPLS_BOS: + value->u8 = mpls_lse_to_bos(flow->mpls_lse[0]); + break; + case MFF_IPV4_SRC: value->be32 = flow->nw_src; break; @@ -1022,6 +1363,10 @@ mf_get_value(const struct mf_field *mf, const struct flow *flow, value->u8 = flow->nw_tos & IP_DSCP_MASK; break; + case MFF_IP_DSCP_SHIFTED: + value->u8 = flow->nw_tos >> 2; + break; + case MFF_IP_ECN: value->u8 = flow->nw_tos & IP_ECN_MASK; break; @@ -1058,14 +1403,20 @@ mf_get_value(const struct mf_field *mf, const struct flow *flow, case MFF_TCP_SRC: case MFF_UDP_SRC: + case MFF_SCTP_SRC: value->be16 = flow->tp_src; break; case MFF_TCP_DST: case MFF_UDP_DST: + case MFF_SCTP_DST: value->be16 = flow->tp_dst; break; + case MFF_TCP_FLAGS: + value->be16 = flow->tcp_flags; + break; + case MFF_ICMPV4_TYPE: case MFF_ICMPV6_TYPE: value->u8 = ntohs(flow->tp_src); @@ -1082,7 +1433,7 @@ mf_get_value(const struct mf_field *mf, const struct flow *flow, case MFF_N_IDS: default: - NOT_REACHED(); + OVS_NOT_REACHED(); } } @@ -1094,15 +1445,52 @@ mf_set_value(const struct mf_field *mf, const union mf_value *value, struct match *match) { switch (mf->id) { + case MFF_DP_HASH: + match_set_dp_hash(match, ntohl(value->be32)); + break; + case MFF_RECIRC_ID: + match_set_recirc_id(match, ntohl(value->be32)); + break; case MFF_TUN_ID: match_set_tun_id(match, value->be64); break; + case MFF_TUN_SRC: + match_set_tun_src(match, value->be32); + break; + case MFF_TUN_DST: + match_set_tun_dst(match, value->be32); + break; + case MFF_TUN_FLAGS: + match_set_tun_flags(match, ntohs(value->be16)); + break; + case MFF_TUN_TOS: + match_set_tun_tos(match, value->u8); + break; + case MFF_TUN_TTL: + match_set_tun_ttl(match, value->u8); + break; + case MFF_METADATA: match_set_metadata(match, value->be64); break; - case MFF_IN_PORT: - match_set_in_port(match, ntohs(value->be16)); + case MFF_IN_PORT: + match_set_in_port(match, u16_to_ofp(ntohs(value->be16))); + break; + + case MFF_IN_PORT_OXM: { + ofp_port_t port; + ofputil_port_from_ofp11(value->be32, &port); + match_set_in_port(match, port); + break; + } + + case MFF_SKB_PRIORITY: + match_set_skb_priority(match, ntohl(value->be32)); + break; + + case MFF_PKT_MARK: + match_set_pkt_mark(match, ntohl(value->be32)); break; CASE_MFF_REGS: @@ -1137,6 +1525,18 @@ mf_set_value(const struct mf_field *mf, match_set_dl_vlan_pcp(match, value->u8); break; + case MFF_MPLS_LABEL: + match_set_mpls_label(match, 0, value->be32); + break; + + case MFF_MPLS_TC: + match_set_mpls_tc(match, 0, value->u8); + break; + + case MFF_MPLS_BOS: + match_set_mpls_bos(match, 0, value->u8); + break; + case MFF_IPV4_SRC: match_set_nw_src(match, value->be32); break; @@ -1165,6 +1565,10 @@ mf_set_value(const struct mf_field *mf, match_set_nw_dscp(match, value->u8); break; + case MFF_IP_DSCP_SHIFTED: + match_set_nw_dscp(match, value->u8 << 2); + break; + case MFF_IP_ECN: match_set_nw_ecn(match, value->u8); break; @@ -1201,14 +1605,20 @@ mf_set_value(const struct mf_field *mf, case MFF_TCP_SRC: case MFF_UDP_SRC: + case MFF_SCTP_SRC: match_set_tp_src(match, value->be16); break; case MFF_TCP_DST: case MFF_UDP_DST: + case MFF_SCTP_DST: match_set_tp_dst(match, value->be16); break; + case MFF_TCP_FLAGS: + match_set_tcp_flags(match, value->be16); + break; + case MFF_ICMPV4_TYPE: case MFF_ICMPV6_TYPE: match_set_icmp_type(match, value->u8); @@ -1225,27 +1635,81 @@ mf_set_value(const struct mf_field *mf, case MFF_N_IDS: default: - NOT_REACHED(); + OVS_NOT_REACHED(); } } -/* Makes 'match' match field 'mf' exactly, with the value matched taken from - * 'value'. The caller is responsible for ensuring that 'match' meets 'mf''s - * prerequisites. */ +/* Unwildcard 'mask' member field described by 'mf'. The caller is + * responsible for ensuring that 'mask' meets 'mf''s prerequisites. */ +void +mf_mask_field(const struct mf_field *mf, struct flow *mask) +{ + static const union mf_value exact_match_mask = MF_EXACT_MASK_INITIALIZER; + + /* For MFF_DL_VLAN, we cannot send a all 1's to flow_set_dl_vlan() + * as that will be considered as OFP10_VLAN_NONE. So consider it as a + * special case. For the rest, calling mf_set_flow_value() is good + * enough. */ + if (mf->id == MFF_DL_VLAN) { + flow_set_dl_vlan(mask, htons(VLAN_VID_MASK)); + } else { + mf_set_flow_value(mf, &exact_match_mask, mask); + } +} + +/* Sets 'flow' member field described by 'mf' to 'value'. The caller is + * responsible for ensuring that 'flow' meets 'mf''s prerequisites.*/ void mf_set_flow_value(const struct mf_field *mf, const union mf_value *value, struct flow *flow) { switch (mf->id) { + case MFF_DP_HASH: + flow->dp_hash = ntohl(value->be32); + break; + case MFF_RECIRC_ID: + flow->recirc_id = ntohl(value->be32); + break; case MFF_TUN_ID: - flow->tun_id = value->be64; + flow->tunnel.tun_id = value->be64; + break; + case MFF_TUN_SRC: + flow->tunnel.ip_src = value->be32; + break; + case MFF_TUN_DST: + flow->tunnel.ip_dst = value->be32; + break; + case MFF_TUN_FLAGS: + flow->tunnel.flags = ntohs(value->be16); break; + case MFF_TUN_TOS: + flow->tunnel.ip_tos = value->u8; + break; + case MFF_TUN_TTL: + flow->tunnel.ip_ttl = value->u8; + break; + case MFF_METADATA: flow->metadata = value->be64; break; case MFF_IN_PORT: - flow->in_port = ntohs(value->be16); + flow->in_port.ofp_port = u16_to_ofp(ntohs(value->be16)); + break; + + case MFF_IN_PORT_OXM: { + ofp_port_t port; + ofputil_port_from_ofp11(value->be32, &port); + flow->in_port.ofp_port = port; + break; + } + + case MFF_SKB_PRIORITY: + flow->skb_priority = ntohl(value->be32); + break; + + case MFF_PKT_MARK: + flow->pkt_mark = ntohl(value->be32); break; CASE_MFF_REGS: @@ -1280,6 +1744,18 @@ mf_set_flow_value(const struct mf_field *mf, flow_set_vlan_pcp(flow, value->u8); break; + case MFF_MPLS_LABEL: + flow_set_mpls_label(flow, 0, value->be32); + break; + + case MFF_MPLS_TC: + flow_set_mpls_tc(flow, 0, value->u8); + break; + + case MFF_MPLS_BOS: + flow_set_mpls_bos(flow, 0, value->u8); + break; + case MFF_IPV4_SRC: flow->nw_src = value->be32; break; @@ -1309,6 +1785,11 @@ mf_set_flow_value(const struct mf_field *mf, flow->nw_tos |= value->u8 & IP_DSCP_MASK; break; + case MFF_IP_DSCP_SHIFTED: + flow->nw_tos &= ~IP_DSCP_MASK; + flow->nw_tos |= value->u8 << 2; + break; + case MFF_IP_ECN: flow->nw_tos &= ~IP_ECN_MASK; flow->nw_tos |= value->u8 & IP_ECN_MASK; @@ -1319,7 +1800,7 @@ mf_set_flow_value(const struct mf_field *mf, break; case MFF_IP_FRAG: - flow->nw_frag &= value->u8; + flow->nw_frag = value->u8 & FLOW_NW_FRAG_MASK; break; case MFF_ARP_OP: @@ -1346,14 +1827,20 @@ mf_set_flow_value(const struct mf_field *mf, case MFF_TCP_SRC: case MFF_UDP_SRC: + case MFF_SCTP_SRC: flow->tp_src = value->be16; break; case MFF_TCP_DST: case MFF_UDP_DST: + case MFF_SCTP_DST: flow->tp_dst = value->be16; break; + case MFF_TCP_FLAGS: + flow->tcp_flags = value->be16; + break; + case MFF_ICMPV4_TYPE: case MFF_ICMPV6_TYPE: flow->tp_src = htons(value->u8); @@ -1370,7 +1857,7 @@ mf_set_flow_value(const struct mf_field *mf, case MFF_N_IDS: default: - NOT_REACHED(); + OVS_NOT_REACHED(); } } @@ -1395,15 +1882,51 @@ void mf_set_wild(const struct mf_field *mf, struct match *match) { switch (mf->id) { + case MFF_DP_HASH: + match->flow.dp_hash = 0; + match->wc.masks.dp_hash = 0; + break; + case MFF_RECIRC_ID: + match->flow.recirc_id = 0; + match->wc.masks.recirc_id = 0; + break; case MFF_TUN_ID: match_set_tun_id_masked(match, htonll(0), htonll(0)); break; + case MFF_TUN_SRC: + match_set_tun_src_masked(match, htonl(0), htonl(0)); + break; + case MFF_TUN_DST: + match_set_tun_dst_masked(match, htonl(0), htonl(0)); + break; + case MFF_TUN_FLAGS: + match_set_tun_flags_masked(match, 0, 0); + break; + case MFF_TUN_TOS: + match_set_tun_tos_masked(match, 0, 0); + break; + case MFF_TUN_TTL: + match_set_tun_ttl_masked(match, 0, 0); + break; + case MFF_METADATA: match_set_metadata_masked(match, htonll(0), htonll(0)); + break; case MFF_IN_PORT: - match->flow.in_port = 0; - match->wc.masks.in_port = 0; + case MFF_IN_PORT_OXM: + match->flow.in_port.ofp_port = 0; + match->wc.masks.in_port.ofp_port = 0; + break; + + case MFF_SKB_PRIORITY: + match->flow.skb_priority = 0; + match->wc.masks.skb_priority = 0; + break; + + case MFF_PKT_MARK: + match->flow.pkt_mark = 0; + match->wc.masks.pkt_mark = 0; break; CASE_MFF_REGS: @@ -1439,6 +1962,18 @@ mf_set_wild(const struct mf_field *mf, struct match *match) match_set_any_pcp(match); break; + case MFF_MPLS_LABEL: + match_set_any_mpls_label(match, 0); + break; + + case MFF_MPLS_TC: + match_set_any_mpls_tc(match, 0); + break; + + case MFF_MPLS_BOS: + match_set_any_mpls_bos(match, 0); + break; + case MFF_IPV4_SRC: case MFF_ARP_SPA: match_set_nw_src_masked(match, htonl(0), htonl(0)); @@ -1470,6 +2005,7 @@ mf_set_wild(const struct mf_field *mf, struct match *match) break; case MFF_IP_DSCP: + case MFF_IP_DSCP_SHIFTED: match->wc.masks.nw_tos &= ~IP_DSCP_MASK; match->flow.nw_tos &= ~IP_DSCP_MASK; break; @@ -1508,6 +2044,7 @@ mf_set_wild(const struct mf_field *mf, struct match *match) case MFF_TCP_SRC: case MFF_UDP_SRC: + case MFF_SCTP_SRC: case MFF_ICMPV4_TYPE: case MFF_ICMPV6_TYPE: match->wc.masks.tp_src = htons(0); @@ -1516,12 +2053,18 @@ mf_set_wild(const struct mf_field *mf, struct match *match) case MFF_TCP_DST: case MFF_UDP_DST: + case MFF_SCTP_DST: case MFF_ICMPV4_CODE: case MFF_ICMPV6_CODE: match->wc.masks.tp_dst = htons(0); match->flow.tp_dst = htons(0); break; + case MFF_TCP_FLAGS: + match->wc.masks.tcp_flags = htons(0); + match->flow.tcp_flags = htons(0); + break; + case MFF_ND_TARGET: memset(&match->wc.masks.nd_target, 0, sizeof match->wc.masks.nd_target); @@ -1530,7 +2073,7 @@ mf_set_wild(const struct mf_field *mf, struct match *match) case MFF_N_IDS: default: - NOT_REACHED(); + OVS_NOT_REACHED(); } } @@ -1545,39 +2088,65 @@ mf_set_wild(const struct mf_field *mf, struct match *match) * * 'mask' must be a valid mask for 'mf' (see mf_is_mask_valid()). The caller * is responsible for ensuring that 'match' meets 'mf''s prerequisites. */ -void +enum ofputil_protocol mf_set(const struct mf_field *mf, const union mf_value *value, const union mf_value *mask, struct match *match) { if (!mask || is_all_ones((const uint8_t *) mask, mf->n_bytes)) { mf_set_value(mf, value, match); - return; + return mf->usable_protocols; } else if (is_all_zeros((const uint8_t *) mask, mf->n_bytes)) { mf_set_wild(mf, match); - return; + return OFPUTIL_P_ANY; } switch (mf->id) { + case MFF_RECIRC_ID: case MFF_IN_PORT: + case MFF_IN_PORT_OXM: + case MFF_SKB_PRIORITY: case MFF_ETH_TYPE: case MFF_DL_VLAN: case MFF_DL_VLAN_PCP: case MFF_VLAN_PCP: + case MFF_MPLS_LABEL: + case MFF_MPLS_TC: + case MFF_MPLS_BOS: case MFF_IP_PROTO: case MFF_IP_TTL: case MFF_IP_DSCP: + case MFF_IP_DSCP_SHIFTED: case MFF_IP_ECN: case MFF_ARP_OP: case MFF_ICMPV4_TYPE: case MFF_ICMPV4_CODE: case MFF_ICMPV6_TYPE: case MFF_ICMPV6_CODE: - NOT_REACHED(); + return OFPUTIL_P_NONE; + case MFF_DP_HASH: + match_set_dp_hash_masked(match, ntohl(value->be32), ntohl(mask->be32)); + break; case MFF_TUN_ID: match_set_tun_id_masked(match, value->be64, mask->be64); break; + case MFF_TUN_SRC: + match_set_tun_src_masked(match, value->be32, mask->be32); + break; + case MFF_TUN_DST: + match_set_tun_dst_masked(match, value->be32, mask->be32); + break; + case MFF_TUN_FLAGS: + match_set_tun_flags_masked(match, ntohs(value->be16), ntohs(mask->be16)); + break; + case MFF_TUN_TTL: + match_set_tun_ttl_masked(match, value->u8, mask->u8); + break; + case MFF_TUN_TOS: + match_set_tun_tos_masked(match, value->u8, mask->u8); + break; + case MFF_METADATA: match_set_metadata_masked(match, value->be64, mask->be64); break; @@ -1587,6 +2156,11 @@ mf_set(const struct mf_field *mf, ntohl(value->be32), ntohl(mask->be32)); break; + case MFF_PKT_MARK: + match_set_pkt_mark_masked(match, ntohl(value->be32), + ntohl(mask->be32)); + break; + case MFF_ETH_DST: match_set_dl_dst_masked(match, value->mac, mask->mac); break; @@ -1615,11 +2189,11 @@ mf_set(const struct mf_field *mf, case MFF_IPV4_SRC: match_set_nw_src_masked(match, value->be32, mask->be32); - break; + goto cidr_check; case MFF_IPV4_DST: match_set_nw_dst_masked(match, value->be32, mask->be32); - break; + goto cidr_check; case MFF_IPV6_SRC: match_set_ipv6_src_masked(match, &value->ipv6, &mask->ipv6); @@ -1647,26 +2221,38 @@ mf_set(const struct mf_field *mf, case MFF_ARP_SPA: match_set_nw_src_masked(match, value->be32, mask->be32); - break; + goto cidr_check; case MFF_ARP_TPA: match_set_nw_dst_masked(match, value->be32, mask->be32); - break; + goto cidr_check; case MFF_TCP_SRC: case MFF_UDP_SRC: + case MFF_SCTP_SRC: match_set_tp_src_masked(match, value->be16, mask->be16); break; case MFF_TCP_DST: case MFF_UDP_DST: + case MFF_SCTP_DST: match_set_tp_dst_masked(match, value->be16, mask->be16); break; + case MFF_TCP_FLAGS: + match_set_tcp_flags_masked(match, value->be16, mask->be16); + break; + case MFF_N_IDS: default: - NOT_REACHED(); + OVS_NOT_REACHED(); } + + return mf->usable_protocols_bitwise; + +cidr_check: + return ip_is_cidr(mask->be32) ? mf->usable_protocols : + mf->usable_protocols_bitwise; } static enum ofperr @@ -1675,23 +2261,26 @@ mf_check__(const struct mf_subfield *sf, const struct flow *flow, { if (!sf->field) { VLOG_WARN_RL(&rl, "unknown %s field", type); + return OFPERR_OFPBAC_BAD_SET_TYPE; } else if (!sf->n_bits) { VLOG_WARN_RL(&rl, "zero bit %s field %s", type, sf->field->name); + return OFPERR_OFPBAC_BAD_SET_LEN; } else if (sf->ofs >= sf->field->n_bits) { VLOG_WARN_RL(&rl, "bit offset %d exceeds %d-bit width of %s field %s", sf->ofs, sf->field->n_bits, type, sf->field->name); + return OFPERR_OFPBAC_BAD_SET_LEN; } else if (sf->ofs + sf->n_bits > sf->field->n_bits) { VLOG_WARN_RL(&rl, "bit offset %d and width %d exceeds %d-bit width " "of %s field %s", sf->ofs, sf->n_bits, sf->field->n_bits, type, sf->field->name); + return OFPERR_OFPBAC_BAD_SET_LEN; } else if (flow && !mf_are_prereqs_ok(sf->field, flow)) { VLOG_WARN_RL(&rl, "%s field %s lacks correct prerequisites", type, sf->field->name); + return OFPERR_OFPBAC_MATCH_INCONSISTENT; } else { return 0; } - - return OFPERR_OFPBAC_BAD_ARGUMENT; } /* Checks whether 'sf' is valid for reading a subfield out of 'flow'. Returns @@ -1713,7 +2302,7 @@ mf_check_dst(const struct mf_subfield *sf, const struct flow *flow) if (!error && !sf->field->writable) { VLOG_WARN_RL(&rl, "destination field %s is not writable", sf->field->name); - return OFPERR_OFPBAC_BAD_ARGUMENT; + return OFPERR_OFPBAC_BAD_SET_ARGUMENT; } return error; } @@ -1728,82 +2317,6 @@ mf_get(const struct mf_field *mf, const struct match *match, mf_get_mask(mf, &match->wc, mask); } -/* Assigns a random value for field 'mf' to 'value'. */ -void -mf_random_value(const struct mf_field *mf, union mf_value *value) -{ - random_bytes(value, mf->n_bytes); - - switch (mf->id) { - case MFF_TUN_ID: - case MFF_METADATA: - case MFF_IN_PORT: - CASE_MFF_REGS: - case MFF_ETH_SRC: - case MFF_ETH_DST: - case MFF_ETH_TYPE: - case MFF_VLAN_TCI: - case MFF_IPV4_SRC: - case MFF_IPV4_DST: - case MFF_IPV6_SRC: - case MFF_IPV6_DST: - case MFF_IP_PROTO: - case MFF_IP_TTL: - case MFF_ARP_SPA: - case MFF_ARP_TPA: - case MFF_ARP_SHA: - case MFF_ARP_THA: - case MFF_TCP_SRC: - case MFF_TCP_DST: - case MFF_UDP_SRC: - case MFF_UDP_DST: - case MFF_ICMPV4_TYPE: - case MFF_ICMPV4_CODE: - case MFF_ICMPV6_TYPE: - case MFF_ICMPV6_CODE: - case MFF_ND_TARGET: - case MFF_ND_SLL: - case MFF_ND_TLL: - break; - - case MFF_IPV6_LABEL: - value->be32 &= ~htonl(IPV6_LABEL_MASK); - break; - - case MFF_IP_DSCP: - value->u8 &= IP_DSCP_MASK; - break; - - case MFF_IP_ECN: - value->u8 &= IP_ECN_MASK; - break; - - case MFF_IP_FRAG: - value->u8 &= FLOW_NW_FRAG_MASK; - break; - - case MFF_ARP_OP: - value->be16 &= htons(0xff); - break; - - case MFF_DL_VLAN: - value->be16 &= htons(VLAN_VID_MASK); - break; - case MFF_VLAN_VID: - value->be16 &= htons(VLAN_VID_MASK | VLAN_CFI); - break; - - case MFF_DL_VLAN_PCP: - case MFF_VLAN_PCP: - value->u8 &= 0x07; - break; - - case MFF_N_IDS: - default: - NOT_REACHED(); - } -} - static char * mf_from_integer_string(const struct mf_field *mf, const char *s, uint8_t *valuep, uint8_t *maskp) @@ -1848,20 +2361,25 @@ mf_from_ethernet_string(const struct mf_field *mf, const char *s, uint8_t mac[ETH_ADDR_LEN], uint8_t mask[ETH_ADDR_LEN]) { - assert(mf->n_bytes == ETH_ADDR_LEN); + int n; - switch (sscanf(s, ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT, - ETH_ADDR_SCAN_ARGS(mac), ETH_ADDR_SCAN_ARGS(mask))){ - case ETH_ADDR_SCAN_COUNT * 2: - return NULL; + ovs_assert(mf->n_bytes == ETH_ADDR_LEN); - case ETH_ADDR_SCAN_COUNT: + n = -1; + if (ovs_scan(s, ETH_ADDR_SCAN_FMT"%n", ETH_ADDR_SCAN_ARGS(mac), &n) + && n == strlen(s)) { memset(mask, 0xff, ETH_ADDR_LEN); return NULL; + } - default: - return xasprintf("%s: invalid Ethernet address", s); + n = -1; + if (ovs_scan(s, ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT"%n", + ETH_ADDR_SCAN_ARGS(mac), ETH_ADDR_SCAN_ARGS(mask), &n) + && n == strlen(s)) { + return NULL; } + + return xasprintf("%s: invalid Ethernet address", s); } static char * @@ -1870,23 +2388,22 @@ mf_from_ipv4_string(const struct mf_field *mf, const char *s, { int prefix; - assert(mf->n_bytes == sizeof *ip); + ovs_assert(mf->n_bytes == sizeof *ip); - if (sscanf(s, IP_SCAN_FMT"/"IP_SCAN_FMT, - IP_SCAN_ARGS(ip), IP_SCAN_ARGS(mask)) == IP_SCAN_COUNT * 2) { + if (ovs_scan(s, IP_SCAN_FMT"/"IP_SCAN_FMT, + IP_SCAN_ARGS(ip), IP_SCAN_ARGS(mask))) { /* OK. */ - } else if (sscanf(s, IP_SCAN_FMT"/%d", - IP_SCAN_ARGS(ip), &prefix) == IP_SCAN_COUNT + 1) { + } else if (ovs_scan(s, IP_SCAN_FMT"/%d", IP_SCAN_ARGS(ip), &prefix)) { if (prefix <= 0 || prefix > 32) { return xasprintf("%s: network prefix bits not between 1 and " "32", s); } else if (prefix == 32) { - *mask = htonl(UINT32_MAX); + *mask = OVS_BE32_MAX; } else { *mask = htonl(((1u << prefix) - 1) << (32 - prefix)); } - } else if (sscanf(s, IP_SCAN_FMT, IP_SCAN_ARGS(ip)) == IP_SCAN_COUNT) { - *mask = htonl(UINT32_MAX); + } else if (ovs_scan(s, IP_SCAN_FMT, IP_SCAN_ARGS(ip))) { + *mask = OVS_BE32_MAX; } else { return xasprintf("%s: invalid IP address", s); } @@ -1902,7 +2419,7 @@ mf_from_ipv6_string(const struct mf_field *mf, const char *s, const char *name, *netmask; int retval; - assert(mf->n_bytes == sizeof *value); + ovs_assert(mf->n_bytes == sizeof *value); name = strtok_r(str, "/", &save_ptr); retval = name ? lookup_ipv6(name, value) : EINVAL; @@ -1938,18 +2455,31 @@ static char * mf_from_ofp_port_string(const struct mf_field *mf, const char *s, ovs_be16 *valuep, ovs_be16 *maskp) { - uint16_t port; + ofp_port_t port; - assert(mf->n_bytes == sizeof(ovs_be16)); - port = ofputil_port_from_string(s); - if (port) { - *valuep = htons(port); - *maskp = htons(UINT16_MAX); + ovs_assert(mf->n_bytes == sizeof(ovs_be16)); + + if (ofputil_port_from_string(s, &port)) { + *valuep = htons(ofp_to_u16(port)); + *maskp = OVS_BE16_MAX; return NULL; - } else { - return mf_from_integer_string(mf, s, - (uint8_t *) valuep, (uint8_t *) maskp); } + return xasprintf("%s: port value out of range for %s", s, mf->name); +} + +static char * +mf_from_ofp_port_string32(const struct mf_field *mf, const char *s, + ovs_be32 *valuep, ovs_be32 *maskp) +{ + ofp_port_t port; + + ovs_assert(mf->n_bytes == sizeof(ovs_be32)); + if (ofputil_port_from_string(s, &port)) { + *valuep = ofputil_port_to_ofp11(port); + *maskp = OVS_BE32_MAX; + return NULL; + } + return xasprintf("%s: port value out of range for %s", s, mf->name); } struct frag_handling { @@ -1995,13 +2525,153 @@ mf_from_frag_string(const char *s, uint8_t *valuep, uint8_t *maskp) "\"yes\", \"first\", \"later\", \"not_first\"", s); } +static int +parse_flow_tun_flags(const char *s_, const char *(*bit_to_string)(uint32_t), + ovs_be16 *res) +{ + uint32_t result = 0; + char *save_ptr = NULL; + char *name; + int rc = 0; + char *s = xstrdup(s_); + + for (name = strtok_r((char *)s, " |", &save_ptr); name; + name = strtok_r(NULL, " |", &save_ptr)) { + int name_len; + unsigned long long int flags; + uint32_t bit; + + if (ovs_scan(name, "%lli", &flags)) { + result |= flags; + continue; + } + name_len = strlen(name); + for (bit = 1; bit; bit <<= 1) { + const char *fname = bit_to_string(bit); + size_t len; + + if (!fname) { + continue; + } + + len = strlen(fname); + if (len != name_len) { + continue; + } + if (!strncmp(name, fname, len)) { + result |= bit; + break; + } + } + + if (!bit) { + rc = -ENOENT; + goto out; + } + } + + *res = htons(result); +out: + free(s); + return rc; +} + +static char * +mf_from_tun_flags_string(const char *s, ovs_be16 *valuep, ovs_be16 *maskp) +{ + if (!parse_flow_tun_flags(s, flow_tun_flag_to_string, valuep)) { + *maskp = OVS_BE16_MAX; + return NULL; + } + + return xasprintf("%s: unknown tunnel flags (valid flags are \"df\", " + "\"csum\", \"key\")", s); +} + +static char * +mf_from_tcp_flags_string(const char *s, ovs_be16 *flagsp, ovs_be16 *maskp) +{ + uint16_t flags = 0; + uint16_t mask = 0; + uint16_t bit; + int n; + + if (ovs_scan(s, "%"SCNi16"/%"SCNi16"%n", &flags, &mask, &n) && !s[n]) { + *flagsp = htons(flags); + *maskp = htons(mask); + return NULL; + } + if (ovs_scan(s, "%"SCNi16"%n", &flags, &n) && !s[n]) { + *flagsp = htons(flags); + *maskp = OVS_BE16_MAX; + return NULL; + } + + while (*s != '\0') { + bool set; + int name_len; + + switch (*s) { + case '+': + set = true; + break; + case '-': + set = false; + break; + default: + return xasprintf("%s: TCP flag must be preceded by '+' (for SET) " + "or '-' (NOT SET)", s); + } + s++; + + name_len = strcspn(s,"+-"); + + for (bit = 1; bit; bit <<= 1) { + const char *fname = packet_tcp_flag_to_string(bit); + size_t len; + + if (!fname) { + continue; + } + + len = strlen(fname); + if (len != name_len) { + continue; + } + if (!strncmp(s, fname, len)) { + if (mask & bit) { + return xasprintf("%s: Each TCP flag can be specified only " + "once", s); + } + if (set) { + flags |= bit; + } + mask |= bit; + break; + } + } + + if (!bit) { + return xasprintf("%s: unknown TCP flag(s)", s); + } + s += name_len; + } + + *flagsp = htons(flags); + *maskp = htons(mask); + return NULL; +} + + /* Parses 's', a string value for field 'mf', into 'value' and 'mask'. Returns * NULL if successful, otherwise a malloc()'d string describing the error. */ char * mf_parse(const struct mf_field *mf, const char *s, union mf_value *value, union mf_value *mask) { - if (!strcasecmp(s, "any") || !strcmp(s, "*")) { + char *error; + + if (!strcmp(s, "*")) { memset(value, 0, mf->n_bytes); memset(mask, 0, mf->n_bytes); return NULL; @@ -2010,25 +2680,52 @@ mf_parse(const struct mf_field *mf, const char *s, switch (mf->string) { case MFS_DECIMAL: case MFS_HEXADECIMAL: - return mf_from_integer_string(mf, s, - (uint8_t *) value, (uint8_t *) mask); + error = mf_from_integer_string(mf, s, + (uint8_t *) value, (uint8_t *) mask); + break; case MFS_ETHERNET: - return mf_from_ethernet_string(mf, s, value->mac, mask->mac); + error = mf_from_ethernet_string(mf, s, value->mac, mask->mac); + break; case MFS_IPV4: - return mf_from_ipv4_string(mf, s, &value->be32, &mask->be32); + error = mf_from_ipv4_string(mf, s, &value->be32, &mask->be32); + break; case MFS_IPV6: - return mf_from_ipv6_string(mf, s, &value->ipv6, &mask->ipv6); + error = mf_from_ipv6_string(mf, s, &value->ipv6, &mask->ipv6); + break; case MFS_OFP_PORT: - return mf_from_ofp_port_string(mf, s, &value->be16, &mask->be16); + error = mf_from_ofp_port_string(mf, s, &value->be16, &mask->be16); + break; + + case MFS_OFP_PORT_OXM: + error = mf_from_ofp_port_string32(mf, s, &value->be32, &mask->be32); + break; case MFS_FRAG: - return mf_from_frag_string(s, &value->u8, &mask->u8); + error = mf_from_frag_string(s, &value->u8, &mask->u8); + break; + + case MFS_TNL_FLAGS: + ovs_assert(mf->n_bytes == sizeof(ovs_be16)); + error = mf_from_tun_flags_string(s, &value->be16, &mask->be16); + break; + + case MFS_TCP_FLAGS: + ovs_assert(mf->n_bytes == sizeof(ovs_be16)); + error = mf_from_tcp_flags_string(s, &value->be16, &mask->be16); + break; + + default: + OVS_NOT_REACHED(); } - NOT_REACHED(); + + if (!error && !mf_is_mask_valid(mf, mask)) { + error = xasprintf("%s: invalid mask for field %s", s, mf->name); + } + return error; } /* Parses 's', a string value for field 'mf', into 'value'. Returns NULL if @@ -2057,7 +2754,7 @@ mf_format_integer_string(const struct mf_field *mf, const uint8_t *valuep, unsigned long long int integer; int i; - assert(mf->n_bytes <= 8); + ovs_assert(mf->n_bytes <= 8); integer = 0; for (i = 0; i < mf->n_bytes; i++) { @@ -2085,15 +2782,12 @@ mf_format_integer_string(const struct mf_field *mf, const uint8_t *valuep, } static void -mf_format_frag_string(const uint8_t *valuep, const uint8_t *maskp, - struct ds *s) +mf_format_frag_string(uint8_t value, uint8_t mask, struct ds *s) { const struct frag_handling *h; - uint8_t value = *valuep; - uint8_t mask = *maskp; - value &= mask; mask &= FLOW_NW_FRAG_MASK; + value &= mask; for (h = all_frags; h < &all_frags[ARRAY_SIZE(all_frags)]; h++) { if (value == h->value && mask == h->mask) { @@ -2104,6 +2798,19 @@ mf_format_frag_string(const uint8_t *valuep, const uint8_t *maskp, ds_put_cstr(s, ""); } +static void +mf_format_tnl_flags_string(const ovs_be16 *valuep, struct ds *s) +{ + format_flags(s, flow_tun_flag_to_string, ntohs(*valuep), '|'); +} + +static void +mf_format_tcp_flags_string(ovs_be16 value, ovs_be16 mask, struct ds *s) +{ + format_flags_masked(s, NULL, packet_tcp_flag_to_string, ntohs(value), + TCP_FLAGS(mask)); +} + /* Appends to 's' a string representation of field 'mf' whose value is in * 'value' and 'mask'. 'mask' may be NULL to indicate an exact match. */ void @@ -2121,9 +2828,17 @@ mf_format(const struct mf_field *mf, } switch (mf->string) { + case MFS_OFP_PORT_OXM: + if (!mask) { + ofp_port_t port; + ofputil_port_from_ofp11(value->be32, &port); + ofputil_format_port(port, s); + break; + } + /* fall through */ case MFS_OFP_PORT: if (!mask) { - ofputil_format_port(ntohs(value->be16), s); + ofputil_format_port(u16_to_ofp(ntohs(value->be16)), s); break; } /* fall through */ @@ -2137,8 +2852,7 @@ mf_format(const struct mf_field *mf, break; case MFS_IPV4: - ip_format_masked(value->be32, mask ? mask->be32 : htonl(UINT32_MAX), - s); + ip_format_masked(value->be32, mask ? mask->be32 : OVS_BE32_MAX, s); break; case MFS_IPV6: @@ -2146,11 +2860,20 @@ mf_format(const struct mf_field *mf, break; case MFS_FRAG: - mf_format_frag_string(&value->u8, &mask->u8, s); + mf_format_frag_string(value->u8, mask ? mask->u8 : UINT8_MAX, s); + break; + + case MFS_TNL_FLAGS: + mf_format_tnl_flags_string(&value->be16, s); + break; + + case MFS_TCP_FLAGS: + mf_format_tcp_flags_string(value->be16, + mask ? mask->be16 : OVS_BE16_MAX, s); break; default: - NOT_REACHED(); + OVS_NOT_REACHED(); } } @@ -2278,7 +3001,7 @@ mf_parse_subfield_name(const char *name, int name_len, bool *wild) * bit indexes. "..end" may be omitted to indicate a single bit. "start..end" * may both be omitted (the [] are still required) to indicate an entire * field. */ -char * +char * WARN_UNUSED_RESULT mf_parse_subfield__(struct mf_subfield *sf, const char **sp) { const struct mf_field *field; @@ -2301,9 +3024,9 @@ mf_parse_subfield__(struct mf_subfield *sf, const char **sp) } s += name_len; - if (sscanf(s, "[%d..%d]", &start, &end) == 2) { + if (ovs_scan(s, "[%d..%d]", &start, &end)) { /* Nothing to do. */ - } else if (sscanf(s, "[%d]", &start) == 1) { + } else if (ovs_scan(s, "[%d]", &start)) { end = start; } else if (!strncmp(s, "[]", 2)) { start = 0; @@ -2333,24 +3056,23 @@ mf_parse_subfield__(struct mf_subfield *sf, const char **sp) return NULL; } -/* Parses a subfield from the beginning of 's' into 'sf'. Returns the first - * byte in 's' following the parsed string. - * - * Exits with an error message if 's' has incorrect syntax. +/* Parses a subfield from the entirety of 's' into 'sf'. Returns NULL if + * successful, otherwise a malloc()'d string describing the error. The caller + * is responsible for freeing the returned string. * * The syntax parsed from 's' takes the form "header[start..end]" where * 'header' is the name of an NXM field and 'start' and 'end' are (inclusive) * bit indexes. "..end" may be omitted to indicate a single bit. "start..end" * may both be omitted (the [] are still required) to indicate an entire * field. */ -const char * +char * WARN_UNUSED_RESULT mf_parse_subfield(struct mf_subfield *sf, const char *s) { - char *msg = mf_parse_subfield__(sf, &s); - if (msg) { - ovs_fatal(0, "%s", msg); + char *error = mf_parse_subfield__(sf, &s); + if (!error && s[0]) { + error = xstrdup("unexpected input following field syntax"); } - return s; + return error; } void