diff options
| author | Pablo Neira Ayuso <pablo@netfilter.org> | 2023-01-02 15:36:39 +0100 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2023-01-02 15:36:39 +0100 |
| commit | 156d22654003635621248a15031ccefb39bfaffa (patch) | |
| tree | 2d41aa12866c075bc039925e1c908e178f0c0cd1 /src/proto.c | |
| parent | 6cec0716ccecda3d3d70ec9f8f6be0d8da4bb419 (diff) | |
src: add geneve matching support
Add support for GENEVE vni and (ether) type header field.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'src/proto.c')
| -rw-r--r-- | src/proto.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/proto.c b/src/proto.c index 3bb4ae74..0986a380 100644 --- a/src/proto.c +++ b/src/proto.c @@ -90,6 +90,7 @@ int proto_find_num(const struct proto_desc *base, static const struct proto_desc *inner_protocols[] = { &proto_vxlan, + &proto_geneve, &proto_gre, }; @@ -542,6 +543,7 @@ const struct proto_desc proto_udp = { }, .protocols = { PROTO_LINK(0, &proto_vxlan), + PROTO_LINK(0, &proto_geneve), }, }; @@ -1216,6 +1218,32 @@ const struct proto_desc proto_vxlan = { }; /* + * GENEVE + */ + +const struct proto_desc proto_geneve = { + .name = "geneve", + .id = PROTO_DESC_GENEVE, + .base = PROTO_BASE_INNER_HDR, + .templates = { + [GNVHDR_TYPE] = HDR_TYPE("type", ðertype_type, struct gnvhdr, type), + [GNVHDR_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 gnvhdr), + .flags = NFT_INNER_HDRSIZE | NFT_INNER_LL | NFT_INNER_NH | NFT_INNER_TH, + .type = NFT_INNER_GENEVE, + }, +}; + + +/* * Dummy protocol for netdev tables. */ const struct proto_desc proto_netdev = { |