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netfilter: nft_tunnel: also dump ERSPAN_VERSION

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This is not necessary, but it'll be easier to parse in userspace,
also given that other places like act_tunnel_key, cls_flower and
ip_tunnel_core are also doing so.

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>
This commit is contained in:
Xin Long 2019-12-13 16:53:07 +08:00 committed by Pablo Neira Ayuso
parent 0705f95c33
commit 2149f36dbd
1 changed files with 3 additions and 0 deletions
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3
net/netfilter/nft_tunnel.c
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@ -479,6 +479,9 @@ static int nft_tunnel_opts_dump(struct sk_buff *skb,
htonl(opts->u.vxlan.gbp)))
return -1;
} else if (opts->flags & TUNNEL_ERSPAN_OPT) {
if (nla_put_be32(skb, NFTA_TUNNEL_KEY_ERSPAN_VERSION,
htonl(opts->u.erspan.version)))
return -1;
switch (opts->u.erspan.version) {
case ERSPAN_VERSION:
if (nla_put_be32(skb, NFTA_TUNNEL_KEY_ERSPAN_V1_INDEX,