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Commit 36e2a1b0 authored by Patrick McHardy's avatar Patrick McHardy
Browse files

[NETFILTER]: {ip,ip6}t_LOG: print MARK value in log output 



Dump the mark value in log messages similar to nfnetlink_log. This
is useful for debugging complex setups where marks are used for
routing or traffic classification.

Signed-off-by: default avatarPatrick McHardy <kaber@trash.net>
parent b916f7d4

net/ipv4/netfilter/ipt_LOG.c

+5 −1
Original line number Diff line number Diff line
@@ -344,6 +344,10 @@ static void dump_packet(const struct nf_loginfo *info, 
		read_unlock_bh(&skb->sk->sk_callback_lock);

	}



	/* Max length: 16 "MARK=0xFFFFFFFF " */

	if (!iphoff && skb->mark)

		printk("MARK=0x%x ", skb->mark);



	/* Proto    Max log string length */

	/* IP:      40+46+6+11+127 = 230 */

	/* TCP:     10+max(25,20+30+13+9+32+11+127) = 252 */

net/ipv6/netfilter/ip6t_LOG.c

+5 −1
Original line number Diff line number Diff line
@@ -368,6 +368,10 @@ static void dump_packet(const struct nf_loginfo *info, 
				skb->sk->sk_socket->file->f_gid);

		read_unlock_bh(&skb->sk->sk_callback_lock);

	}



	/* Max length: 16 "MARK=0xFFFFFFFF " */

	if (!recurse && skb->mark)

		printk("MARK=0x%x ", skb->mark);

}



static struct nf_loginfo default_loginfo = {