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net/queue: introduce NetQueueDeliverFunc

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net/queue.c has logic to send/queue/flush packets but a
qemu_deliver_packet_iov() call is hardcoded. Abstract this
func so that we can use our own deliver function in netfilter.

Signed-off-by: Yang Hongyang <yanghy@cn.fujitsu.com>
Cc: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Yang Hongyang
2015-10-07 11:52:17 +08:00
committed by Jason Wang
parent fefe2a78ab
commit 3e033a46a7
3 changed files with 18 additions and 5 deletions
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8
net/queue.c
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@@ -52,13 +52,14 @@ struct NetQueue {
void *opaque;
uint32_t nq_maxlen;
uint32_t nq_count;
NetQueueDeliverFunc *deliver;
QTAILQ_HEAD(packets, NetPacket) packets;
unsigned delivering : 1;
};
NetQueue *qemu_new_net_queue(void *opaque)
NetQueue *qemu_new_net_queue(NetQueueDeliverFunc *deliver, void *opaque)
{
NetQueue *queue;
@@ -67,6 +68,7 @@ NetQueue *qemu_new_net_queue(void *opaque)
queue->opaque = opaque;
queue->nq_maxlen = 10000;
queue->nq_count = 0;
queue->deliver = deliver;
QTAILQ_INIT(&queue->packets);
@@ -158,7 +160,7 @@ static ssize_t qemu_net_queue_deliver(NetQueue *queue,
};
queue->delivering = 1;
ret = qemu_deliver_packet_iov(sender, flags, &iov, 1, queue->opaque);
ret = queue->deliver(sender, flags, &iov, 1, queue->opaque);
queue->delivering = 0;
return ret;
@@ -173,7 +175,7 @@ static ssize_t qemu_net_queue_deliver_iov(NetQueue *queue,
ssize_t ret = -1;
queue->delivering = 1;
ret = qemu_deliver_packet_iov(sender, flags, iov, iovcnt, queue->opaque);
ret = queue->deliver(sender, flags, iov, iovcnt, queue->opaque);
queue->delivering = 0;
return ret;