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From: Anthony Liguori <anthony@codemonkey.ws>
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Date: Thu, 08 Jan 2009 19:45:04 +0000
Subject: [Qemu-devel] [6248] Allow devices be notified of link status change
	(Mark McLoughlin)
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Revision: 6248
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6248
Author:   aliguori
Date:     2009-01-08 19:45:03 +0000 (Thu, 08 Jan 2009)

Log Message:
-----------
Allow devices be notified of link status change (Mark McLoughlin)

Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

Modified Paths:
--------------
    trunk/net.c
    trunk/net.h

Modified: trunk/net.c
===================================================================
--- trunk/net.c	2009-01-08 19:44:06 UTC (rev 6247)
+++ trunk/net.c	2009-01-08 19:45:03 UTC (rev 6248)
@@ -1718,6 +1718,9 @@
         term_printf("invalid link status '%s'; only 'up' or 'down' valid\n",
                     up_or_down);
 
+    if (vc->link_status_changed)
+        vc->link_status_changed(vc);
+
     return 1;
 }
 

Modified: trunk/net.h
===================================================================
--- trunk/net.h	2009-01-08 19:44:06 UTC (rev 6247)
+++ trunk/net.h	2009-01-08 19:45:03 UTC (rev 6248)
@@ -9,12 +9,15 @@
 
 typedef struct VLANClientState VLANClientState;
 
+typedef void (LinkStatusChanged)(VLANClientState *);
+
 struct VLANClientState {
     IOReadHandler *fd_read;
     IOReadvHandler *fd_readv;
     /* Packets may still be sent if this returns zero.  It's used to
        rate-limit the slirp code.  */
     IOCanRWHandler *fd_can_read;
+    LinkStatusChanged *link_status_changed;
     int link_down;
     void *opaque;
     struct VLANClientState *next;