MFM_FULLY, 0,
MFS_HEXADECIMAL,
MFP_NONE,
- NXM_NX_TUN_ID,
+ true,
+ NXM_NX_TUN_ID, "NXM_NX_TUN_ID",
}, {
MFF_IN_PORT, "in_port", NULL,
MF_FIELD_SIZES(be16),
MFM_NONE, FWW_IN_PORT,
MFS_OFP_PORT,
MFP_NONE,
- NXM_OF_IN_PORT,
+ false,
+ NXM_OF_IN_PORT, "NXM_OF_IN_PORT",
},
#define REGISTER(IDX) \
MFM_FULLY, 0, \
MFS_HEXADECIMAL, \
MFP_NONE, \
+ true, \
NXM_NX_REG(IDX), \
+ "NXM_NX_REG" #IDX \
}
#if FLOW_N_REGS > 0
REGISTER(0),
MFM_NONE, FWW_DL_SRC,
MFS_ETHERNET,
MFP_NONE,
- NXM_OF_ETH_SRC,
+ true,
+ NXM_OF_ETH_SRC, "NXM_OF_ETH_SRC",
}, {
MFF_ETH_DST, "eth_dst", "dl_dst",
MF_FIELD_SIZES(mac),
MFM_MCAST, 0,
MFS_ETHERNET,
MFP_NONE,
- NXM_OF_ETH_DST,
+ true,
+ NXM_OF_ETH_DST, "NXM_OF_ETH_DST",
}, {
MFF_ETH_TYPE, "eth_type", "dl_type",
MF_FIELD_SIZES(be16),
MFM_NONE, FWW_DL_TYPE,
MFS_HEXADECIMAL,
MFP_NONE,
- NXM_OF_ETH_TYPE,
+ false,
+ NXM_OF_ETH_TYPE, "NXM_OF_ETH_TYPE",
},
{
MFM_FULLY, 0,
MFS_HEXADECIMAL,
MFP_NONE,
- NXM_OF_VLAN_TCI,
+ true,
+ NXM_OF_VLAN_TCI, "NXM_OF_VLAN_TCI",
}, {
MFF_VLAN_VID, "dl_vlan", NULL,
sizeof(ovs_be16), 12,
MFM_NONE, 0,
MFS_DECIMAL,
MFP_NONE,
- 0,
+ true,
+ 0, NULL
}, {
MFF_VLAN_PCP, "dl_vlan_pcp", NULL,
1, 3,
MFM_NONE, 0,
MFS_DECIMAL,
MFP_NONE,
- 0,
+ true,
+ 0, NULL
},
/* ## -- ## */
MFM_CIDR, 0,
MFS_IPV4,
MFP_IPV4,
- NXM_OF_IP_SRC,
+ true,
+ NXM_OF_IP_SRC, "NXM_OF_IP_SRC",
}, {
MFF_IPV4_DST, "ip_dst", "nw_dst",
MF_FIELD_SIZES(be32),
MFM_CIDR, 0,
MFS_IPV4,
MFP_IPV4,
- NXM_OF_IP_DST,
+ true,
+ NXM_OF_IP_DST, "NXM_OF_IP_DST",
},
{
MFM_CIDR, 0,
MFS_IPV6,
MFP_IPV6,
- NXM_NX_IPV6_SRC,
+ true,
+ NXM_NX_IPV6_SRC, "NXM_NX_IPV6_SRC",
}, {
MFF_IPV6_DST, "ipv6_dst", NULL,
MF_FIELD_SIZES(ipv6),
MFM_CIDR, 0,
MFS_IPV6,
MFP_IPV6,
- NXM_NX_IPV6_DST,
+ true,
+ NXM_NX_IPV6_DST, "NXM_NX_IPV6_DST",
},
{
MFF_IPV6_LABEL, "ipv6_label", NULL,
MFM_NONE, FWW_IPV6_LABEL,
MFS_HEXADECIMAL,
MFP_IPV6,
- NXM_NX_IPV6_LABEL,
+ false,
+ NXM_NX_IPV6_LABEL, "NXM_NX_IPV6_LABEL",
},
{
MFM_NONE, FWW_NW_PROTO,
MFS_DECIMAL,
MFP_IP_ANY,
- NXM_OF_IP_PROTO,
+ false,
+ NXM_OF_IP_PROTO, "NXM_OF_IP_PROTO",
}, {
MFF_IP_DSCP, "nw_tos", NULL,
MF_FIELD_SIZES(u8),
MFM_NONE, FWW_NW_DSCP,
MFS_DECIMAL,
MFP_IP_ANY,
- NXM_OF_IP_TOS,
+ true,
+ NXM_OF_IP_TOS, "NXM_OF_IP_TOS"
}, {
MFF_IP_ECN, "nw_ecn", NULL,
1, 2,
MFM_NONE, FWW_NW_ECN,
MFS_DECIMAL,
MFP_IP_ANY,
- NXM_NX_IP_ECN,
+ true,
+ NXM_NX_IP_ECN, "NXM_NX_IP_ECN",
}, {
MFF_IP_TTL, "nw_ttl", NULL,
MF_FIELD_SIZES(u8),
MFM_NONE, FWW_NW_TTL,
MFS_DECIMAL,
MFP_IP_ANY,
- NXM_NX_IP_TTL,
+ true,
+ NXM_NX_IP_TTL, "NXM_NX_IP_TTL"
}, {
MFF_IP_FRAG, "ip_frag", NULL,
1, 2,
MFM_FULLY, 0,
MFS_FRAG,
MFP_IP_ANY,
- NXM_NX_IP_FRAG,
+ false,
+ NXM_NX_IP_FRAG, "NXM_NX_IP_FRAG"
},
{
MFM_NONE, FWW_NW_PROTO,
MFS_DECIMAL,
MFP_ARP,
- NXM_OF_ARP_OP,
+ false,
+ NXM_OF_ARP_OP, "NXM_OF_ARP_OP",
}, {
MFF_ARP_SPA, "arp_spa", NULL,
MF_FIELD_SIZES(be32),
MFM_CIDR, 0,
MFS_IPV4,
MFP_ARP,
- NXM_OF_ARP_SPA,
+ false,
+ NXM_OF_ARP_SPA, "NXM_OF_ARP_SPA",
}, {
MFF_ARP_TPA, "arp_tpa", NULL,
MF_FIELD_SIZES(be32),
MFM_CIDR, 0,
MFS_IPV4,
MFP_ARP,
- NXM_OF_ARP_TPA,
+ false,
+ NXM_OF_ARP_TPA, "NXM_OF_ARP_TPA",
}, {
MFF_ARP_SHA, "arp_sha", NULL,
MF_FIELD_SIZES(mac),
MFM_NONE, FWW_ARP_SHA,
MFS_ETHERNET,
MFP_ARP,
- NXM_NX_ARP_SHA,
+ false,
+ NXM_NX_ARP_SHA, "NXM_NX_ARP_SHA",
}, {
MFF_ARP_THA, "arp_tha", NULL,
MF_FIELD_SIZES(mac),
MFM_NONE, FWW_ARP_THA,
MFS_ETHERNET,
MFP_ARP,
- NXM_NX_ARP_THA,
+ false,
+ NXM_NX_ARP_THA, "NXM_NX_ARP_THA",
},
/* ## -- ## */
MFM_NONE, FWW_TP_SRC,
MFS_DECIMAL,
MFP_TCP,
- NXM_OF_TCP_SRC,
+ true,
+ NXM_OF_TCP_SRC, "NXM_OF_TCP_SRC",
}, {
MFF_TCP_DST, "tcp_dst", "tp_dst",
MF_FIELD_SIZES(be16),
MFM_NONE, FWW_TP_DST,
MFS_DECIMAL,
MFP_TCP,
- NXM_OF_TCP_DST,
+ true,
+ NXM_OF_TCP_DST, "NXM_OF_TCP_DST",
},
{
MFM_NONE, FWW_TP_SRC,
MFS_DECIMAL,
MFP_UDP,
- NXM_OF_UDP_SRC,
+ true,
+ NXM_OF_UDP_SRC, "NXM_OF_UDP_SRC",
}, {
MFF_UDP_DST, "udp_dst", NULL,
MF_FIELD_SIZES(be16),
MFM_NONE, FWW_TP_DST,
MFS_DECIMAL,
MFP_UDP,
- NXM_OF_UDP_DST,
+ true,
+ NXM_OF_UDP_DST, "NXM_OF_UDP_DST",
},
{
MFM_NONE, FWW_TP_SRC,
MFS_DECIMAL,
MFP_ICMPV4,
- NXM_OF_ICMP_TYPE,
+ false,
+ NXM_OF_ICMP_TYPE, "NXM_OF_ICMP_TYPE",
}, {
MFF_ICMPV4_CODE, "icmp_code", NULL,
MF_FIELD_SIZES(u8),
MFM_NONE, FWW_TP_DST,
MFS_DECIMAL,
MFP_ICMPV4,
- NXM_OF_ICMP_CODE,
- }, {
+ false,
+ NXM_OF_ICMP_CODE, "NXM_OF_ICMP_CODE",
+ },
+
+ {
MFF_ICMPV6_TYPE, "icmpv6_type", NULL,
MF_FIELD_SIZES(u8),
MFM_NONE, FWW_TP_SRC,
MFS_DECIMAL,
MFP_ICMPV6,
- NXM_NX_ICMPV6_TYPE,
+ false,
+ NXM_NX_ICMPV6_TYPE, "NXM_NX_ICMPV6_TYPE",
}, {
MFF_ICMPV6_CODE, "icmpv6_code", NULL,
MF_FIELD_SIZES(u8),
MFM_NONE, FWW_TP_DST,
MFS_DECIMAL,
MFP_ICMPV6,
- NXM_NX_ICMPV6_CODE,
+ false,
+ NXM_NX_ICMPV6_CODE, "NXM_NX_ICMPV6_CODE",
},
/* ## ---- ## */
MFM_NONE, FWW_ND_TARGET,
MFS_IPV6,
MFP_ND,
- NXM_NX_ND_TARGET,
+ false,
+ NXM_NX_ND_TARGET, "NXM_NX_ND_TARGET",
}, {
MFF_ND_SLL, "nd_sll", NULL,
MF_FIELD_SIZES(mac),
MFM_NONE, FWW_ARP_SHA,
MFS_ETHERNET,
MFP_ND_SOLICIT,
- NXM_NX_ND_SLL,
+ false,
+ NXM_NX_ND_SLL, "NXM_NX_ND_SLL",
}, {
MFF_ND_TLL, "nd_tll", NULL,
MF_FIELD_SIZES(mac),
MFM_NONE, FWW_ARP_THA,
MFS_ETHERNET,
MFP_ND_ADVERT,
- NXM_NX_ND_TLL,
+ false,
+ NXM_NX_ND_TLL, "NXM_NX_ND_TLL",
}
};
+struct nxm_field {
+ struct hmap_node hmap_node;
+ uint32_t nxm_header;
+ const struct mf_field *mf;
+};
+
+static struct hmap all_nxm_fields = HMAP_INITIALIZER(&all_nxm_fields);
+
/* Returns the field with the given 'id'. */
const struct mf_field *
mf_from_id(enum mf_field_id id)
return shash_find_data(&mf_by_name, name);
}
+static void
+add_nxm_field(uint32_t nxm_header, const struct mf_field *mf)
+{
+ struct nxm_field *f;
+
+ f = xmalloc(sizeof *f);
+ hmap_insert(&all_nxm_fields, &f->hmap_node, hash_int(nxm_header, 0));
+ f->nxm_header = nxm_header;
+ f->mf = mf;
+}
+
+static void
+nxm_init(void)
+{
+ const struct mf_field *mf;
+
+ for (mf = mf_fields; mf < &mf_fields[MFF_N_IDS]; mf++) {
+ if (mf->nxm_header) {
+ add_nxm_field(mf->nxm_header, mf);
+ if (mf->maskable != MFM_NONE) {
+ add_nxm_field(NXM_MAKE_WILD_HEADER(mf->nxm_header), mf);
+ }
+ }
+ }
+
+#ifndef NDEBUG
+ /* Verify that the header values are unique. */
+ for (mf = mf_fields; mf < &mf_fields[MFF_N_IDS]; mf++) {
+ if (mf->nxm_header) {
+ assert(mf_from_nxm_header(mf->nxm_header) == mf);
+ if (mf->maskable != MFM_NONE) {
+ assert(mf_from_nxm_header(NXM_MAKE_WILD_HEADER(mf->nxm_header))
+ == mf);
+ }
+ }
+ }
+#endif
+}
+
+const struct mf_field *
+mf_from_nxm_header(uint32_t header)
+{
+ const struct nxm_field *f;
+
+ if (hmap_is_empty(&all_nxm_fields)) {
+ nxm_init();
+ }
+
+ HMAP_FOR_EACH_IN_BUCKET (f, hmap_node, hash_int(header, 0),
+ &all_nxm_fields) {
+ if (f->nxm_header == header) {
+ return f->mf;
+ }
+ }
+
+ return NULL;
+}
+
/* Returns true if 'wc' wildcards all the bits in field 'mf', false if 'wc'
* specifies at least one bit in the field.
*
}
}
+/* Makes 'rule' match field 'mf' exactly, with the value matched taken from
+ * 'value'. The caller is responsible for ensuring that 'rule' 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_TUN_ID:
+ flow->tun_id = value->be64;
+ break;
+
+ case MFF_IN_PORT:
+ flow->in_port = ntohs(value->be16);
+ break;
+
+#if FLOW_N_REGS > 0
+ case MFF_REG0:
+#endif
+#if FLOW_N_REGS > 1
+ case MFF_REG1:
+#endif
+#if FLOW_N_REGS > 2
+ case MFF_REG2:
+#endif
+#if FLOW_N_REGS > 3
+ case MFF_REG3:
+#endif
+#if FLOW_N_REGS > 4
+ case MFF_REG4:
+#endif
+#if FLOW_N_REGS > 5
+#error
+#endif
+#if FLOW_N_REGS > 0
+ flow->regs[mf->id - MFF_REG0] = ntohl(value->be32);
+ break;
+#endif
+
+ case MFF_ETH_SRC:
+ memcpy(flow->dl_src, value->mac, ETH_ADDR_LEN);
+ break;
+
+ case MFF_ETH_DST:
+ memcpy(flow->dl_src, value->mac, ETH_ADDR_LEN);
+ break;
+
+ case MFF_ETH_TYPE:
+ flow->dl_type = value->be16;
+ break;
+
+ case MFF_VLAN_TCI:
+ flow->vlan_tci = value->be16;
+ break;
+
+ case MFF_VLAN_VID:
+ flow_set_vlan_vid(flow, value->be16);
+ break;
+
+ case MFF_VLAN_PCP:
+ flow_set_vlan_pcp(flow, value->u8);
+ break;
+
+ case MFF_IPV4_SRC:
+ flow->nw_src = value->be32;
+ break;
+
+ case MFF_IPV4_DST:
+ flow->nw_dst = value->be32;
+ break;
+
+ case MFF_IPV6_SRC:
+ flow->ipv6_src = value->ipv6;
+ break;
+
+ case MFF_IPV6_DST:
+ flow->ipv6_dst = value->ipv6;
+ break;
+
+ case MFF_IPV6_LABEL:
+ flow->ipv6_label = value->be32 & ~htonl(IPV6_LABEL_MASK);
+ break;
+
+ case MFF_IP_PROTO:
+ flow->nw_proto = value->u8;
+ break;
+
+ case MFF_IP_DSCP:
+ flow->nw_tos &= ~IP_DSCP_MASK;
+ flow->nw_tos |= value->u8 & IP_DSCP_MASK;
+ break;
+
+ case MFF_IP_ECN:
+ flow->nw_tos &= ~IP_ECN_MASK;
+ flow->nw_tos |= value->u8 & IP_ECN_MASK;
+ break;
+
+ case MFF_IP_TTL:
+ flow->nw_ttl = value->u8;
+ break;
+
+ case MFF_IP_FRAG:
+ flow->nw_frag &= value->u8;
+ break;
+
+ case MFF_ARP_OP:
+ flow->nw_proto = ntohs(value->be16);
+ break;
+
+ case MFF_ARP_SPA:
+ flow->nw_src = value->be32;
+ break;
+
+ case MFF_ARP_TPA:
+ flow->nw_dst = value->be32;
+ break;
+
+ case MFF_ARP_SHA:
+ case MFF_ND_SLL:
+ memcpy(flow->arp_sha, value->mac, ETH_ADDR_LEN);
+ break;
+
+ case MFF_ARP_THA:
+ case MFF_ND_TLL:
+ memcpy(flow->arp_tha, value->mac, ETH_ADDR_LEN);
+ break;
+
+ case MFF_TCP_SRC:
+ case MFF_UDP_SRC:
+ flow->tp_src = value->be16;
+ break;
+
+ case MFF_TCP_DST:
+ case MFF_UDP_DST:
+ flow->tp_dst = value->be16;
+ break;
+
+ case MFF_ICMPV4_TYPE:
+ case MFF_ICMPV6_TYPE:
+ flow->tp_src = htons(value->u8);
+ break;
+
+ case MFF_ICMPV4_CODE:
+ case MFF_ICMPV6_CODE:
+ flow->tp_dst = htons(value->u8);
+ break;
+
+ case MFF_ND_TARGET:
+ flow->nd_target = value->ipv6;
+ break;
+
+ case MFF_N_IDS:
+ default:
+ NOT_REACHED();
+ }
+}
+
/* Makes 'rule' wildcard field 'mf'.
*
* The caller is responsible for ensuring that 'rule' meets 'mf''s