Author: emaste
Date: Fri Jul 6 23:17:30 2012
New Revision: 238183
URL: http://svn.freebsd.org/changeset/base/238183
Log:
Implement SIOCGIFMEDIA for if_tap(4)
Appease certain if_tap(4) consumers by providing simulated Ethernet
media status.
DragonFly commit 70d9a675bf5441cc854a843ead702d08928c37f3
Obtained from: DragonFly BSD
Modified:
head/sys/net/if_tap.c
Modified: head/sys/net/if_tap.c
==============================================================================
--- head/sys/net/if_tap.c Fri Jul 6 20:16:22 2012 (r238182)
+++ head/sys/net/if_tap.c Fri Jul 6 23:17:30 2012 (r238183)
@@ -65,6 +65,7 @@
#include <net/if.h>
#include <net/if_clone.h>
#include <net/if_dl.h>
+#include <net/if_media.h>
#include <net/if_types.h>
#include <net/route.h>
#include <net/vnet.h>
@@ -602,7 +603,8 @@ tapifioctl(struct ifnet *ifp, u_long cmd
struct tap_softc *tp = ifp->if_softc;
struct ifreq *ifr = (struct ifreq *)data;
struct ifstat *ifs = NULL;
- int dummy;
+ struct ifmediareq *ifmr = NULL;
+ int dummy, error = 0;
switch (cmd) {
case SIOCSIFFLAGS: /* XXX -- just like vmnet does */
@@ -610,6 +612,22 @@ tapifioctl(struct ifnet *ifp, u_long cmd
case SIOCDELMULTI:
break;
+ case SIOCGIFMEDIA:
+ ifmr = (struct ifmediareq *)data;
+ dummy = ifmr->ifm_count;
+ ifmr->ifm_count = 1;
+ ifmr->ifm_status = IFM_AVALID;
+ ifmr->ifm_active = IFM_ETHER;
+ if (tp->tap_flags & TAP_OPEN)
+ ifmr->ifm_status |= IFM_ACTIVE;
+ ifmr->ifm_current = ifmr->ifm_active;
+ if (dummy >= 1) {
+ int media = IFM_ETHER;
+ error = copyout(&media, ifmr->ifm_ulist,
+ sizeof(int));
+ }
+ break;
+
case SIOCSIFMTU:
ifp->if_mtu = ifr->ifr_mtu;
break;
@@ -626,11 +644,11 @@ tapifioctl(struct ifnet *ifp, u_long cmd
break;
default:
- return (ether_ioctl(ifp, cmd, data));
- /* NOT REACHED */
+ error = ether_ioctl(ifp, cmd, data);
+ break;
}
- return (0);
+ return (error);
} /* tapifioctl */
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