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authorXin Long <lucien.xin@gmail.com>2019-12-13 16:53:08 +0800
committerPablo Neira Ayuso <pablo@netfilter.org>2019-12-17 22:58:27 +0100
commit73239bd9707ab2f3b7621e50468c14410cf4e2c2 (patch)
tree81f98166eefefdc04adac774030d77ec34c2e37b /net/netfilter/nft_tunnel.c
parent2149f36dbd44f2d6bf5357e5d096205b92cd854a (diff)
netfilter: nft_tunnel: also dump OPTS_ERSPAN/VXLAN
This patch is to add the nest attr OPTS_ERSPAN/VXLAN when dumping KEY_OPTS, and it would be helpful when parsing in userpace. Also, this is needed for supporting multiple geneve opts in the future patches. Signed-off-by: Xin Long <lucien.xin@gmail.com> Reviewed-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/netfilter/nft_tunnel.c')
-rw-r--r--net/netfilter/nft_tunnel.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/net/netfilter/nft_tunnel.c b/net/netfilter/nft_tunnel.c
index b3a9b10ff43d..eb1740236526 100644
--- a/net/netfilter/nft_tunnel.c
+++ b/net/netfilter/nft_tunnel.c
@@ -468,17 +468,24 @@ static int nft_tunnel_opts_dump(struct sk_buff *skb,
struct nft_tunnel_obj *priv)
{
struct nft_tunnel_opts *opts = &priv->opts;
- struct nlattr *nest;
+ struct nlattr *nest, *inner;
nest = nla_nest_start_noflag(skb, NFTA_TUNNEL_KEY_OPTS);
if (!nest)
return -1;
if (opts->flags & TUNNEL_VXLAN_OPT) {
+ inner = nla_nest_start_noflag(skb, NFTA_TUNNEL_KEY_OPTS_VXLAN);
+ if (!inner)
+ return -1;
if (nla_put_be32(skb, NFTA_TUNNEL_KEY_VXLAN_GBP,
htonl(opts->u.vxlan.gbp)))
return -1;
+ nla_nest_end(skb, inner);
} else if (opts->flags & TUNNEL_ERSPAN_OPT) {
+ inner = nla_nest_start_noflag(skb, NFTA_TUNNEL_KEY_OPTS_ERSPAN);
+ if (!inner)
+ return -1;
if (nla_put_be32(skb, NFTA_TUNNEL_KEY_ERSPAN_VERSION,
htonl(opts->u.erspan.version)))
return -1;
@@ -496,6 +503,7 @@ static int nft_tunnel_opts_dump(struct sk_buff *skb,
return -1;
break;
}
+ nla_nest_end(skb, inner);
}
nla_nest_end(skb, nest);