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netfilter: nf_tables: match on tunnel metadata

This patch allows us to match on the tunnel metadata that is available of the packet. We can use this to validate if the packet comes from/goes to tunnel and the corresponding tunnel ID.

Pablo Neira Ayuso committed 8 years ago

Commit aaecfdb1 parent af308b92 files · +126 −1Browse files

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include/uapi/linux/netfilter/nf_tables.h+15−0
@@ -1647,4 +1647,19 @@ enum nft_tunnel_key_attributes { · 1646 unmodified lines
1647};1647};
1648#define NFTA_TUNNEL_KEY_MAX (__NFTA_TUNNEL_KEY_MAX - 1)1648#define NFTA_TUNNEL_KEY_MAX (__NFTA_TUNNEL_KEY_MAX - 1)
1649 1649
1650enum nft_tunnel_keys {
1651 NFT_TUNNEL_PATH,
1652 NFT_TUNNEL_ID,
1653 __NFT_TUNNEL_MAX
1654};
1655#define NFT_TUNNEL_MAX (__NFT_TUNNEL_MAX - 1)
1656
1657enum nft_tunnel_attributes {
1658 NFTA_TUNNEL_UNSPEC,
1659 NFTA_TUNNEL_KEY,
1660 NFTA_TUNNEL_DREG,
1661 __NFTA_TUNNEL_MAX
1662};
1663#define NFTA_TUNNEL_MAX (__NFTA_TUNNEL_MAX - 1)
1664
1650#endif /* _LINUX_NF_TABLES_H */1665#endif /* _LINUX_NF_TABLES_H */