tunnel: add vxlan support

This patch extends the tunnel metadata object to define vxlan tunnel
specific configurations:

table netdev x {
	tunnel y {
		id 10
		ip saddr 192.168.2.10
		ip daddr 192.168.2.11
		sport 10
		dport 20
		ttl 10
		vxlan {
			gbp 200
		}
	}
}

Signed-off-by: Fernando Fernandez Mancera <fmancera@suse.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/src/scanner.l b/src/scanner.l
index 9695d710..74ebca3b 100644
--- a/src/scanner.l
+++ b/src/scanner.l
@@ -827,6 +827,7 @@ addrstring	({macaddr}|{ip4addr}|{ip6addr})
 	"egress"		{ return EGRESS; }
 	"ingress"		{ return INGRESS; }
 	"path"			{ return PATH; }
+	"gbp"			{ return GBP; }
 }
 
 "notrack"		{ return NOTRACK; }