netdev - [PATCHv2 nf-next 3/5] netfilter: nft_tunnel: also dump ERSPAN

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Date:   Fri, 13 Dec 2019 16:53:07 +0800
From:   Xin Long <lucien.xin@...il.com>
To:     network dev <netdev@...r.kernel.org>,
        netfilter-devel@...r.kernel.org
Cc:     davem@...emloft.net, Pablo Neira Ayuso <pablo@...filter.org>
Subject: [PATCHv2 nf-next 3/5] netfilter: nft_tunnel: also dump ERSPAN_VERSION

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@...il.com>
Acked-by: Pablo Neira Ayuso <pablo@...filter.org>
---
 net/netfilter/nft_tunnel.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/net/netfilter/nft_tunnel.c b/net/netfilter/nft_tunnel.c
index 6538895..b3a9b10 100644
--- a/net/netfilter/nft_tunnel.c
+++ b/net/netfilter/nft_tunnel.c
@@ -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,
-- 
2.1.0