[NETFILTER]: add /proc/net/netfilter interface to nf_queue
This patch adds a /proc/net/netfilter/nf_queue file, similar to the
recently-added /proc/net/netfilter/nf_log. It indicates which queue
handler is registered to which protocol family. This is useful since
there are now multiple queue handlers in the treee (ip[6]_queue,
nfnetlink_queue).
Signed-off-by: Harald Welte <laforge@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/netfilter/ip_queue.c b/net/ipv4/netfilter/ip_queue.c
index 629de64..1c49833 100644
--- a/net/ipv4/netfilter/ip_queue.c
+++ b/net/ipv4/netfilter/ip_queue.c
@@ -656,6 +656,11 @@
}
#endif /* CONFIG_PROC_FS */
+static struct nf_queue_handler nfqh = {
+ .name = "ip_queue",
+ .outfn = &ipq_enqueue_packet,
+};
+
static int
init_or_cleanup(int init)
{
@@ -684,7 +689,7 @@
register_netdevice_notifier(&ipq_dev_notifier);
ipq_sysctl_header = register_sysctl_table(ipq_root_table, 0);
- status = nf_register_queue_handler(PF_INET, ipq_enqueue_packet, NULL);
+ status = nf_register_queue_handler(PF_INET, &nfqh);
if (status < 0) {
printk(KERN_ERR "ip_queue: failed to register queue handler\n");
goto cleanup_sysctl;
@@ -692,7 +697,7 @@
return status;
cleanup:
- nf_unregister_queue_handlers(&ipq_enqueue_packet);
+ nf_unregister_queue_handlers(&nfqh);
synchronize_net();
ipq_flush(NF_DROP);