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l2tpv3: Drop l2tpv3_can_send

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This callback is called by main loop before polling s->fd, if it returns
false, the fd will not be polled in this iteration.

This is redundant with checks inside read callback. After this patch,
the data will be copied from s->fd to s->msgvec when it arrives. If the
device can't receive, it will be queued to incoming_queue, and when the
device status changes, this queue will be flushed.

Signed-off-by: Fam Zheng <famz@redhat.com>
Message-id: 1433400324-7358-4-git-send-email-famz@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Fam Zheng
2015-06-12 13:26:21 +01:00
committed by Stefan Hajnoczi
parent 0bc12c4f7e
commit 95b1416ae9
1 changed files with 1 additions and 10 deletions
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net/l2tpv3.c
+1 -10
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@@ -133,14 +133,12 @@ typedef struct NetL2TPV3State {
} NetL2TPV3State;
static int l2tpv3_can_send(void *opaque);
static void net_l2tpv3_send(void *opaque);
static void l2tpv3_writable(void *opaque);
static void l2tpv3_update_fd_handler(NetL2TPV3State *s)
{
qemu_set_fd_handler2(s->fd,
s->read_poll ? l2tpv3_can_send : NULL,
qemu_set_fd_handler2(s->fd, NULL,
s->read_poll ? net_l2tpv3_send : NULL,
s->write_poll ? l2tpv3_writable : NULL,
s);
@@ -169,13 +167,6 @@ static void l2tpv3_writable(void *opaque)
qemu_flush_queued_packets(&s->nc);
}
static int l2tpv3_can_send(void *opaque)
{
NetL2TPV3State *s = opaque;
return qemu_can_send_packet(&s->nc);
}
static void l2tpv3_send_completed(NetClientState *nc, ssize_t len)
{
NetL2TPV3State *s = DO_UPCAST(NetL2TPV3State, nc, nc);