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authorAna Rey <anarey@gmail.com>2014-08-24 14:08:36 +0200
committerPablo Neira Ayuso <pablo@netfilter.org>2014-08-24 14:08:46 +0200
commitafc5be3079796b024823bad42dc5ebf716453575 (patch)
tree1e9d1b43eccd0e1bebca9d9771ef05890f3ceac5 /net/netfilter/nft_meta.c
parente2a093ff0dbfa4c5d99f25241cf33325e9691d91 (diff)
downloadlinux-afc5be3079796b024823bad42dc5ebf716453575.tar.gz
netfilter: nft_meta: Add cpu attribute support
Add cpu support to meta expresion. This allows you to match packets with cpu number. Signed-off-by: Ana Rey <anarey@gmail.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/netfilter/nft_meta.c')
-rw-r--r--net/netfilter/nft_meta.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/net/netfilter/nft_meta.c b/net/netfilter/nft_meta.c
index 4f2862fc12c28..843e099a962d2 100644
--- a/net/netfilter/nft_meta.c
+++ b/net/netfilter/nft_meta.c
@@ -17,6 +17,7 @@
#include <linux/in.h>
#include <linux/ip.h>
#include <linux/ipv6.h>
+#include <linux/smp.h>
#include <net/dst.h>
#include <net/sock.h>
#include <net/tcp_states.h> /* for TCP_TIME_WAIT */
@@ -151,6 +152,9 @@ void nft_meta_get_eval(const struct nft_expr *expr,
goto err;
}
break;
+ case NFT_META_CPU:
+ dest->data[0] = smp_processor_id();
+ break;
default:
WARN_ON(1);
goto err;
@@ -223,6 +227,7 @@ int nft_meta_get_init(const struct nft_ctx *ctx,
case NFT_META_SECMARK:
#endif
case NFT_META_PKTTYPE:
+ case NFT_META_CPU:
break;
default:
return -EOPNOTSUPP;