Module Name: src
Committed By: roy
Date: Tue Aug 20 10:59:00 UTC 2019
Modified Files:
src/sys/net: if.c
Log Message:
if: announce flag changes other than up or down
For example toggling promiscuous mode or disabling ARP.
XXX Pullup -9
To generate a diff of this commit:
cvs rdiff -u -r1.458 -r1.459 src/sys/net/if.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/net/if.c
diff -u src/sys/net/if.c:1.458 src/sys/net/if.c:1.459
--- src/sys/net/if.c:1.458 Thu Aug 15 04:20:59 2019
+++ src/sys/net/if.c Tue Aug 20 10:59:00 2019
@@ -1,4 +1,4 @@
-/* $NetBSD: if.c,v 1.458 2019/08/15 04:20:59 ozaki-r Exp $ */
+/* $NetBSD: if.c,v 1.459 2019/08/20 10:59:00 roy Exp $ */
/*-
* Copyright (c) 1999, 2000, 2001, 2008 The NetBSD Foundation, Inc.
@@ -90,7 +90,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if.c,v 1.458 2019/08/15 04:20:59 ozaki-r Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if.c,v 1.459 2019/08/20 10:59:00 roy Exp $");
#if defined(_KERNEL_OPT)
#include "opt_inet.h"
@@ -2914,6 +2914,7 @@ ifioctl_common(struct ifnet *ifp, u_long
struct ifreq *ifr;
struct ifcapreq *ifcr;
struct ifdatareq *ifdr;
+ unsigned short flags;
switch (cmd) {
case SIOCSIFCAP:
@@ -2985,8 +2986,13 @@ ifioctl_common(struct ifnet *ifp, u_long
splx(s);
}
KERNEL_UNLOCK_IF_IFP_MPSAFE(ifp);
- ifp->if_flags = (ifp->if_flags & IFF_CANTCHANGE) |
- (ifr->ifr_flags &~ IFF_CANTCHANGE);
+ flags = (ifp->if_flags & IFF_CANTCHANGE) |
+ (ifr->ifr_flags &~ IFF_CANTCHANGE);
+ if (ifp->if_flags != flags) {
+ ifp->if_flags = flags;
+ /* Notify that the flags have changed. */
+ rt_ifmsg(ifp);
+ }
break;
case SIOCGIFFLAGS:
ifr = data;
