From c54c7c685494fc0f1662091d4d0c4fc26e810471 Mon Sep 17 00:00:00 2001 From: wenxu Date: Fri, 5 Jul 2019 21:16:35 +0800 Subject: netfilter: nft_meta_bridge: add NFT_META_BRI_IIFPVID support This patch allows you to match on the bridge port pvid, eg. nft add rule bridge firewall zones counter meta ibrpvid 10 Signed-off-by: wenxu Reviewed-by: Nikolay Aleksandrov Signed-off-by: Pablo Neira Ayuso --- net/bridge/netfilter/nft_meta_bridge.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'net/bridge/netfilter') diff --git a/net/bridge/netfilter/nft_meta_bridge.c b/net/bridge/netfilter/nft_meta_bridge.c index 2ea8acb4bc4a..9487d42f657a 100644 --- a/net/bridge/netfilter/nft_meta_bridge.c +++ b/net/bridge/netfilter/nft_meta_bridge.c @@ -7,6 +7,7 @@ #include #include #include +#include static const struct net_device * nft_meta_get_bridge(const struct net_device *dev) @@ -37,6 +38,17 @@ static void nft_meta_bridge_get_eval(const struct nft_expr *expr, if (!br_dev) goto err; break; + case NFT_META_BRI_IIFPVID: { + u16 p_pvid; + + br_dev = nft_meta_get_bridge(in); + if (!br_dev || !br_vlan_enabled(br_dev)) + goto err; + + br_vlan_get_pvid_rcu(in, &p_pvid); + nft_reg_store16(dest, p_pvid); + return; + } default: goto out; } @@ -62,6 +74,9 @@ static int nft_meta_bridge_get_init(const struct nft_ctx *ctx, case NFT_META_BRI_OIFNAME: len = IFNAMSIZ; break; + case NFT_META_BRI_IIFPVID: + len = sizeof(u16); + break; default: return nft_meta_get_init(ctx, expr, tb); } -- cgit v1.2.3