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author | 2016-03-26 08:42:10 +0100 | |
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committer | 2016-03-29 13:24:37 +0200 | |
commit | ac28634456867b23b95faccba7997a62ec430603 (patch) | |
tree | 9d10a71187dd478585a0f00effe6226d8e53e139 /net/bridge/netfilter/nf_tables_bridge.c | |
parent | netfilter: nf_conntrack: Uses pr_fmt() for logging. (diff) | |
download | linux-ac28634456867b23b95faccba7997a62ec430603.tar.gz linux-ac28634456867b23b95faccba7997a62ec430603.tar.bz2 linux-ac28634456867b23b95faccba7997a62ec430603.zip |
netfilter: bridge: add nf_afinfo to enable queuing to userspace
This just adds and registers a nf_afinfo for the ethernet
bridge, which enables queuing to userspace for the AF_BRIDGE
family. No checksum computation is done.
Signed-off-by: Stephane Bryant <stephane.ml.bryant@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/bridge/netfilter/nf_tables_bridge.c')
-rw-r--r-- | net/bridge/netfilter/nf_tables_bridge.c | 47 |
1 files changed, 45 insertions, 2 deletions
diff --git a/net/bridge/netfilter/nf_tables_bridge.c b/net/bridge/netfilter/nf_tables_bridge.c index 7fcdd7261d88..a78c4e2826e5 100644 --- a/net/bridge/netfilter/nf_tables_bridge.c +++ b/net/bridge/netfilter/nf_tables_bridge.c @@ -162,15 +162,57 @@ static const struct nf_chain_type filter_bridge = { (1 << NF_BR_POST_ROUTING), }; +static void nf_br_saveroute(const struct sk_buff *skb, + struct nf_queue_entry *entry) +{ +} + +static int nf_br_reroute(struct net *net, struct sk_buff *skb, + const struct nf_queue_entry *entry) +{ + return 0; +} + +static __sum16 nf_br_checksum(struct sk_buff *skb, unsigned int hook, + unsigned int dataoff, u_int8_t protocol) +{ + return 0; +} + +static __sum16 nf_br_checksum_partial(struct sk_buff *skb, unsigned int hook, + unsigned int dataoff, unsigned int len, + u_int8_t protocol) +{ + return 0; +} + +static int nf_br_route(struct net *net, struct dst_entry **dst, + struct flowi *fl, bool strict __always_unused) +{ + return 0; +} + +static const struct nf_afinfo nf_br_afinfo = { + .family = AF_BRIDGE, + .checksum = nf_br_checksum, + .checksum_partial = nf_br_checksum_partial, + .route = nf_br_route, + .saveroute = nf_br_saveroute, + .reroute = nf_br_reroute, + .route_key_size = 0, +}; + static int __init nf_tables_bridge_init(void) { int ret; + nf_register_afinfo(&nf_br_afinfo); nft_register_chain_type(&filter_bridge); ret = register_pernet_subsys(&nf_tables_bridge_net_ops); - if (ret < 0) + if (ret < 0) { nft_unregister_chain_type(&filter_bridge); - + nf_unregister_afinfo(&nf_br_afinfo); + } return ret; } @@ -178,6 +220,7 @@ static void __exit nf_tables_bridge_exit(void) { unregister_pernet_subsys(&nf_tables_bridge_net_ops); nft_unregister_chain_type(&filter_bridge); + nf_unregister_afinfo(&nf_br_afinfo); } module_init(nf_tables_bridge_init); |