Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 829e17a1 authored by Eric Leblond's avatar Eric Leblond Committed by David S. Miller
Browse files

[NETFILTER]: nfnetlink_queue: allow changing queue length through netlink 



Signed-off-by: default avatarEric Leblond <eric@inl.fr>
Signed-off-by: default avatarPatrick McHardy <kaber@trash.net>
parent 7b621c1e

include/linux/netfilter/nfnetlink_queue.h

+1 −0
Original line number Diff line number Diff line
@@ -82,6 +82,7 @@ enum nfqnl_attr_config { 
	NFQA_CFG_UNSPEC,

	NFQA_CFG_CMD,			/* nfqnl_msg_config_cmd */

	NFQA_CFG_PARAMS,		/* nfqnl_msg_config_params */

	NFQA_CFG_QUEUE_MAXLEN,		/* u_int32_t */

	__NFQA_CFG_MAX

};

#define NFQA_CFG_MAX (__NFQA_CFG_MAX-1)

net/netfilter/nfnetlink_queue.c

+8 −0
Original line number Diff line number Diff line
@@ -947,6 +947,14 @@ nfqnl_recv_config(struct sock *ctnl, struct sk_buff *skb, 
				ntohl(params->copy_range));

	}



	if (nfqa[NFQA_CFG_QUEUE_MAXLEN-1]) {

		__be32 *queue_maxlen;

		queue_maxlen = NFA_DATA(nfqa[NFQA_CFG_QUEUE_MAXLEN-1]);

		spin_lock_bh(&queue->lock);

		queue->queue_maxlen = ntohl(*queue_maxlen);

		spin_unlock_bh(&queue->lock);

	}



out_put:

	instance_put(queue);

	return ret;