Author: thompsa
Date: Wed Jun 27 22:09:04 2012
New Revision: 237670
URL: http://svn.freebsd.org/changeset/base/237670
Log:
MFC r236178
if_lagg: allow to invoke SIOCSLAGGPORT multiple times in a row
Modified:
stable/9/sbin/ifconfig/iflagg.c
stable/9/sys/net/if_lagg.c
Directory Properties:
stable/9/sbin/ifconfig/ (props changed)
stable/9/sys/ (props changed)
stable/9/sys/amd64/include/xen/ (props changed)
stable/9/sys/boot/ (props changed)
stable/9/sys/boot/i386/efi/ (props changed)
stable/9/sys/boot/ia64/efi/ (props changed)
stable/9/sys/boot/ia64/ski/ (props changed)
stable/9/sys/boot/powerpc/boot1.chrp/ (props changed)
stable/9/sys/boot/powerpc/ofw/ (props changed)
stable/9/sys/cddl/contrib/opensolaris/ (props changed)
stable/9/sys/conf/ (props changed)
stable/9/sys/contrib/dev/acpica/ (props changed)
stable/9/sys/contrib/octeon-sdk/ (props changed)
stable/9/sys/contrib/pf/ (props changed)
stable/9/sys/contrib/x86emu/ (props changed)
stable/9/sys/dev/ (props changed)
stable/9/sys/dev/e1000/ (props changed)
stable/9/sys/dev/isp/ (props changed)
stable/9/sys/dev/ixgbe/ (props changed)
stable/9/sys/fs/ (props changed)
stable/9/sys/fs/ntfs/ (props changed)
stable/9/sys/modules/ (props changed)
Modified: stable/9/sbin/ifconfig/iflagg.c
==============================================================================
--- stable/9/sbin/ifconfig/iflagg.c Wed Jun 27 22:06:42 2012
(r237669)
+++ stable/9/sbin/ifconfig/iflagg.c Wed Jun 27 22:09:04 2012
(r237670)
@@ -40,7 +40,8 @@ setlaggport(const char *val, int d, int
strlcpy(rp.rp_ifname, name, sizeof(rp.rp_ifname));
strlcpy(rp.rp_portname, val, sizeof(rp.rp_portname));
- if (ioctl(s, SIOCSLAGGPORT, &rp))
+ /* Don't choke if the port is already in this lagg. */
+ if (ioctl(s, SIOCSLAGGPORT, &rp) && errno != EEXIST)
err(1, "SIOCSLAGGPORT");
}
Modified: stable/9/sys/net/if_lagg.c
==============================================================================
--- stable/9/sys/net/if_lagg.c Wed Jun 27 22:06:42 2012 (r237669)
+++ stable/9/sys/net/if_lagg.c Wed Jun 27 22:09:04 2012 (r237670)
@@ -516,8 +516,13 @@ lagg_port_create(struct lagg_softc *sc,
return (ENOSPC);
/* Check if port has already been associated to a lagg */
- if (ifp->if_lagg != NULL)
+ if (ifp->if_lagg != NULL) {
+ /* Port is already in the current lagg? */
+ lp = (struct lagg_port *)ifp->if_lagg;
+ if (lp->lp_softc == sc)
+ return (EEXIST);
return (EBUSY);
+ }
/* XXX Disallow non-ethernet interfaces (this should be any of 802) */
if (ifp->if_type != IFT_ETHER)
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