svn commit: r251859 - head/sys/net

[Xin LI]

Author: delphij
Date: Mon Jun 17 19:31:03 2013
New Revision: 251859
URL: http://svnweb.freebsd.org/changeset/base/251859

Log:
  Return ENETDOWN instead of ENOENT when all lagg(4) links are
  inactive when upper layer tries to transmit packet.  This
  gives better feedback and meaningful errors for applications.
  
  MFC after:	2 weeks
  Reviewed by:	thompsa

Modified:
  head/sys/net/if_lagg.c

Modified: head/sys/net/if_lagg.c
==============================================================================
--- head/sys/net/if_lagg.c	Mon Jun 17 18:34:34 2013	(r251858)
+++ head/sys/net/if_lagg.c	Mon Jun 17 19:31:03 2013	(r251859)
@@ -1608,7 +1608,7 @@ lagg_rr_start(struct lagg_softc *sc, str
 	 */
 	if ((lp = lagg_link_active(sc, lp)) == NULL) {
 		m_freem(m);
-		return (ENOENT);
+		return (ENETDOWN);
 	}
 
 	/* Send mbuf */
@@ -1656,7 +1656,7 @@ lagg_fail_start(struct lagg_softc *sc, s
 	/* Use the master port if active or the next available port */
 	if ((lp = lagg_link_active(sc, sc->sc_primary)) == NULL) {
 		m_freem(m);
-		return (ENOENT);
+		return (ENETDOWN);
 	}
 
 	/* Send mbuf */
@@ -1785,7 +1785,7 @@ lagg_lb_start(struct lagg_softc *sc, str
 	 */
 	if ((lp = lagg_link_active(sc, lp)) == NULL) {
 		m_freem(m);
-		return (ENOENT);
+		return (ENETDOWN);
 	}
 
 	/* Send mbuf */