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netfilter: nf_log: add packet logging for netdev family

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Move layer 2 packet logging into nf_log_l2packet() that resides in
nf_log_common.c, so this can be shared by both bridge and netdev
families.

This patch adds the boiler plate code to register the netdev logging
family.

Signed-off-by: Pablo Neira Ayuso <[email protected]>
This commit is contained in:
Pablo Neira Ayuso 2016-10-27 19:49:42 +01:00
commit 1fddf4bad0
7 changed files with 121 additions and 15 deletions
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1
net/bridge/netfilter/Kconfig
View file

@ -22,6 +22,7 @@ config NFT_BRIDGE_REJECT
config NF_LOG_BRIDGE
tristate "Bridge packet logging"
select NF_LOG_COMMON
endif # NF_TABLES_BRIDGE

16
net/bridge/netfilter/nf_log_bridge.c
View file

@ -24,21 +24,7 @@ static void nf_log_bridge_packet(struct net *net, u_int8_t pf,
const struct nf_loginfo *loginfo,
const char *prefix)
{
switch (eth_hdr(skb)->h_proto) {
case htons(ETH_P_IP):
nf_log_packet(net, NFPROTO_IPV4, hooknum, skb, in, out,
loginfo, "%s", prefix);
break;
case htons(ETH_P_IPV6):
nf_log_packet(net, NFPROTO_IPV6, hooknum, skb, in, out,
loginfo, "%s", prefix);
break;
case htons(ETH_P_ARP):
case htons(ETH_P_RARP):
nf_log_packet(net, NFPROTO_ARP, hooknum, skb, in, out,
loginfo, "%s", prefix);
break;
}
nf_log_l2packet(net, pf, hooknum, skb, in, out, loginfo, prefix);
}
static struct nf_logger nf_bridge_logger __read_mostly = {