svn commit: r334835 - stable/11/sys/net

[Andrey V. Elsukov]

Author: ae
Date: Fri Jun  8 09:52:49 2018
New Revision: 334835
URL: https://svnweb.freebsd.org/changeset/base/334835

Log:
  MFC r333400:
    Add IFCAP_LINKSTATE support to if_loop(4).

Modified:
  stable/11/sys/net/if_loop.c
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/sys/net/if_loop.c
==============================================================================
--- stable/11/sys/net/if_loop.c	Fri Jun  8 07:29:24 2018	(r334834)
+++ stable/11/sys/net/if_loop.c	Fri Jun  8 09:52:49 2018	(r334835)
@@ -133,7 +133,7 @@ lo_clone_create(struct if_clone *ifc, int unit, caddr_
 	ifp->if_output = looutput;
 	ifp->if_snd.ifq_maxlen = ifqmaxlen;
 	ifp->if_capabilities = ifp->if_capenable =
-	    IFCAP_HWCSUM | IFCAP_HWCSUM_IPV6;
+	    IFCAP_HWCSUM | IFCAP_HWCSUM_IPV6 | IFCAP_LINKSTATE;
 	ifp->if_hwassist = LO_CSUM_FEATURES | LO_CSUM_FEATURES6;
 	if_attach(ifp);
 	bpfattach(ifp, DLT_NULL, sizeof(u_int32_t));
@@ -406,6 +406,8 @@ loioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
 		break;
 
 	case SIOCSIFFLAGS:
+		if_link_state_change(ifp, (ifp->if_flags & IFF_UP) ?
+		    LINK_STATE_UP: LINK_STATE_DOWN);
 		break;
 
 	case SIOCSIFCAP: