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authorPablo Neira Ayuso <pablo@netfilter.org>2018-05-31 02:58:00 +0300
committerPablo Neira Ayuso <pablo@netfilter.org>2018-06-01 11:35:47 +0300
commitd32de98ea70fe7cf606f3809f0970b31c115764b (patch)
tree198a323a34a3f12e43042c0a6fbd1aecc6280943 /include
parent7b7744e2aa93864b2a490fb3533e9417d21cadc0 (diff)
downloadlinux-d32de98ea70fe7cf606f3809f0970b31c115764b.tar.xz
netfilter: nft_fwd_netdev: allow to forward packets via neighbour layer
This allows us to forward packets from the netdev family via neighbour layer, so you don't need an explicit link-layer destination when using this expression from rules. The ttl/hop_limit field is decremented. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'include')
-rw-r--r--include/uapi/linux/netfilter/nf_tables.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/uapi/linux/netfilter/nf_tables.h b/include/uapi/linux/netfilter/nf_tables.h
index 5c7eb9b9f6d6..a089af092a29 100644
--- a/include/uapi/linux/netfilter/nf_tables.h
+++ b/include/uapi/linux/netfilter/nf_tables.h
@@ -1260,10 +1260,14 @@ enum nft_dup_attributes {
* enum nft_fwd_attributes - nf_tables fwd expression netlink attributes
*
* @NFTA_FWD_SREG_DEV: source register of output interface (NLA_U32: nft_register)
+ * @NFTA_FWD_SREG_ADDR: source register of destination address (NLA_U32: nft_register)
+ * @NFTA_FWD_NFPROTO: layer 3 family of source register address (NLA_U32: enum nfproto)
*/
enum nft_fwd_attributes {
NFTA_FWD_UNSPEC,
NFTA_FWD_SREG_DEV,
+ NFTA_FWD_SREG_ADDR,
+ NFTA_FWD_NFPROTO,
__NFTA_FWD_MAX
};
#define NFTA_FWD_MAX (__NFTA_FWD_MAX - 1)