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authorEric Leblond <eric@inl.fr>2006-11-29 02:35:33 +0100
committerDavid S. Miller <davem@sunset.davemloft.net>2006-12-02 21:31:29 -0800
commit829e17a1a602572ffa3beefe582dc103ee9fb9c7 (patch)
tree6de236849437c207088f1ef744e77fdfe35b2d8a
parent7b621c1ea64a54f77b8a841b16dc4c9fee3ecf48 (diff)
[NETFILTER]: nfnetlink_queue: allow changing queue length through netlink
Signed-off-by: Eric Leblond <eric@inl.fr> Signed-off-by: Patrick McHardy <kaber@trash.net>
-rw-r--r--include/linux/netfilter/nfnetlink_queue.h1
-rw-r--r--net/netfilter/nfnetlink_queue.c8
2 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/netfilter/nfnetlink_queue.h b/include/linux/netfilter/nfnetlink_queue.h
index 4beea3d6fda..83e789633e3 100644
--- a/include/linux/netfilter/nfnetlink_queue.h
+++ b/include/linux/netfilter/nfnetlink_queue.h
@@ -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)
diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c
index 82e4454659b..a88a017da22 100644
--- a/net/netfilter/nfnetlink_queue.c
+++ b/net/netfilter/nfnetlink_queue.c
@@ -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;