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[Qemu-devel] [6444] Handle link status in qemu_sendv_packet() (Mark McLo
From: |
Anthony Liguori |
Subject: |
[Qemu-devel] [6444] Handle link status in qemu_sendv_packet() (Mark McLoughlin) |
Date: |
Mon, 26 Jan 2009 15:37:44 +0000 |
Revision: 6444
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6444
Author: aliguori
Date: 2009-01-26 15:37:44 +0000 (Mon, 26 Jan 2009)
Log Message:
-----------
Handle link status in qemu_sendv_packet() (Mark McLoughlin)
If link is down, pretend that the packet has been successfully sent.
Signed-off-by: Mark McLoughlin <address@hidden>
Signed-off-by: Anthony Liguori <address@hidden>
Modified Paths:
--------------
trunk/net.c
Modified: trunk/net.c
===================================================================
--- trunk/net.c 2009-01-26 15:37:40 UTC (rev 6443)
+++ trunk/net.c 2009-01-26 15:37:44 UTC (rev 6444)
@@ -421,6 +421,16 @@
return offset;
}
+static ssize_t calc_iov_length(const struct iovec *iov, int iovcnt)
+{
+ size_t offset = 0;
+ int i;
+
+ for (i = 0; i < iovcnt; i++)
+ offset += iov[i].iov_len;
+ return offset;
+}
+
ssize_t qemu_sendv_packet(VLANClientState *vc1, const struct iovec *iov,
int iovcnt)
{
@@ -428,12 +438,17 @@
VLANClientState *vc;
ssize_t max_len = 0;
+ if (vc1->link_down)
+ return calc_iov_length(iov, iovcnt);
+
for (vc = vlan->first_client; vc != NULL; vc = vc->next) {
ssize_t len = 0;
if (vc == vc1)
continue;
+ if (vc->link_down)
+ len = calc_iov_length(iov, iovcnt);
if (vc->fd_readv)
len = vc->fd_readv(vc->opaque, iov, iovcnt);
else if (vc->fd_read)
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