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netfilter: nf_tables: add nfproto support to meta expression

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Needed by multi-family tables to distinguish IPv4 and IPv6 packets.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Patrick McHardy
2014-01-03 12:16:17 +00:00
committed by Pablo Neira Ayuso
parent 1d49144c0a
commit 124edfa9e0
2 changed files with 6 additions and 0 deletions
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4
net/netfilter/nft_meta.c
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@@ -43,6 +43,9 @@ static void nft_meta_get_eval(const struct nft_expr *expr,
case NFT_META_PROTOCOL:
*(__be16 *)dest->data = skb->protocol;
break;
case NFT_META_NFPROTO:
dest->data[0] = pkt->ops->pf;
break;
case NFT_META_PRIORITY:
dest->data[0] = skb->priority;
break;
@@ -181,6 +184,7 @@ static int nft_meta_init_validate_get(uint32_t key)
switch (key) {
case NFT_META_LEN:
case NFT_META_PROTOCOL:
case NFT_META_NFPROTO:
case NFT_META_PRIORITY:
case NFT_META_MARK:
case NFT_META_IIF: