diff options
Diffstat (limited to 'src/proto.c')
| -rw-r--r-- | src/proto.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/proto.c b/src/proto.c index c8b3361b..1e0476ba 100644 --- a/src/proto.c +++ b/src/proto.c @@ -88,6 +88,27 @@ int proto_find_num(const struct proto_desc *base, return -1; } +static const struct proto_desc *inner_protocols[] = { + &proto_vxlan, +}; + +const struct proto_desc *proto_find_inner(uint32_t type, uint32_t hdrsize, + uint32_t flags) +{ + const struct proto_desc *desc; + unsigned int i; + + for (i = 0; i < array_size(inner_protocols); i++) { + desc = inner_protocols[i]; + if (desc->inner.type == type && + desc->inner.hdrsize == hdrsize && + desc->inner.flags == flags) + return inner_protocols[i]; + } + + return &proto_unknown; +} + static const struct dev_proto_desc dev_proto_desc[] = { DEV_PROTO_DESC(ARPHRD_ETHER, &proto_eth), }; @@ -228,6 +249,8 @@ void proto_ctx_update(struct proto_ctx *ctx, enum proto_bases base, ctx->protocol[base].protos[i].location = *loc; } break; + case PROTO_BASE_INNER_HDR: + break; default: BUG("unknown protocol base %d", base); } @@ -513,6 +536,9 @@ const struct proto_desc proto_udp = { [UDPHDR_LENGTH] = UDPHDR_FIELD("length", len), [UDPHDR_CHECKSUM] = UDPHDR_FIELD("checksum", check), }, + .protocols = { + PROTO_LINK(0, &proto_vxlan), + }, }; const struct proto_desc proto_udplite = { @@ -1136,6 +1162,31 @@ const struct proto_desc proto_eth = { }; /* + * VXLAN + */ + +const struct proto_desc proto_vxlan = { + .name = "vxlan", + .id = PROTO_DESC_VXLAN, + .base = PROTO_BASE_INNER_HDR, + .templates = { + [VXLANHDR_FLAGS] = HDR_BITFIELD("flags", &bitmask_type, 0, 8), + [VXLANHDR_VNI] = HDR_BITFIELD("vni", &integer_type, (4 * BITS_PER_BYTE), 24), + }, + .protocols = { + PROTO_LINK(__constant_htons(ETH_P_IP), &proto_ip), + PROTO_LINK(__constant_htons(ETH_P_ARP), &proto_arp), + PROTO_LINK(__constant_htons(ETH_P_IPV6), &proto_ip6), + PROTO_LINK(__constant_htons(ETH_P_8021Q), &proto_vlan), + }, + .inner = { + .hdrsize = sizeof(struct vxlanhdr), + .flags = NFT_INNER_HDRSIZE | NFT_INNER_LL | NFT_INNER_NH | NFT_INNER_TH, + .type = NFT_INNER_VXLAN, + }, +}; + +/* * Dummy protocol for netdev tables. */ const struct proto_desc proto_netdev = { @@ -1171,6 +1222,7 @@ static const struct proto_desc *proto_definitions[PROTO_DESC_MAX + 1] = { [PROTO_DESC_ARP] = &proto_arp, [PROTO_DESC_VLAN] = &proto_vlan, [PROTO_DESC_ETHER] = &proto_eth, + [PROTO_DESC_VXLAN] = &proto_vxlan, }; const struct proto_desc *proto_find_desc(enum proto_desc_id desc_id) |