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authorMáté Eckl <ecklm94@gmail.com>2018-09-05 11:16:44 +0200
committerFlorian Westphal <fw@strlen.de>2018-09-21 12:06:27 +0200
commit57c2b152c5f0866be5bf1acda2f341ba26ba9448 (patch)
tree091cabd5ef590d0d0edf0dc972d3cf53ae0008cb /include/linux
parent8f55ed41d007061bd8aae94fee2bda172c0e8996 (diff)
src: add ipsec (xfrm) expression
This allows matching on ipsec tunnel/beet addresses in xfrm state associated with a packet, ipsec request id and the SPI. Examples: ipsec in ip saddr 192.168.1.0/24 ipsec out ip6 daddr @endpoints ipsec in spi 1-65536 Joint work with Florian Westphal. Cc: Máté Eckl <ecklm94@gmail.com> Signed-off-by: Florian Westphal <fw@strlen.de>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/netfilter/nf_tables.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/include/linux/netfilter/nf_tables.h b/include/linux/netfilter/nf_tables.h
index 1a63bd1e..169c2abc 100644
--- a/include/linux/netfilter/nf_tables.h
+++ b/include/linux/netfilter/nf_tables.h
@@ -1501,6 +1501,35 @@ enum nft_devices_attributes {
};
#define NFTA_DEVICE_MAX (__NFTA_DEVICE_MAX - 1)
+/*
+ * enum nft_xfrm_attributes - nf_tables xfrm expr netlink attributes
+ *
+ * @NFTA_XFRM_DREG: destination register (NLA_U32)
+ * @NFTA_XFRM_KEY: enum nft_xfrm_keys (NLA_U32)
+ * @NFTA_XFRM_DIR: direction (NLA_U8)
+ * @NFTA_XFRM_SPNUM: index in secpath array (NLA_U32)
+ */
+enum nft_xfrm_attributes {
+ NFTA_XFRM_UNSPEC,
+ NFTA_XFRM_DREG,
+ NFTA_XFRM_KEY,
+ NFTA_XFRM_DIR,
+ NFTA_XFRM_SPNUM,
+ __NFTA_XFRM_MAX
+};
+#define NFTA_XFRM_MAX (__NFTA_XFRM_MAX - 1)
+
+enum nft_xfrm_keys {
+ NFT_XFRM_KEY_UNSPEC,
+ NFT_XFRM_KEY_DADDR_IP4,
+ NFT_XFRM_KEY_DADDR_IP6,
+ NFT_XFRM_KEY_SADDR_IP4,
+ NFT_XFRM_KEY_SADDR_IP6,
+ NFT_XFRM_KEY_REQID,
+ NFT_XFRM_KEY_SPI,
+ __NFT_XFRM_KEY_MAX,
+};
+#define NFT_XFRM_KEY_MAX (__NFT_XFRM_KEY_MAX - 1)
/**
* enum nft_trace_attributes - nf_tables trace netlink attributes