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Implement SIOCGIFMEDIA for if_tap(4)

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Appease certain if_tap(4) consumers by providing simulated Ethernet
media status.

DragonFly commit 70d9a675bf5441cc854a843ead702d08928c37f3

Obtained from:  DragonFly BSD
This commit is contained in:
Ed Maste 2012-07-06 23:17:30 +00:00
parent bb4317bf3c
commit d5fb967ab2
1 changed files with 22 additions and 4 deletions
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26
sys/net/if_tap.c
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@ -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, caddr_t data)
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, caddr_t data)
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, caddr_t data)
break;
default:
return (ether_ioctl(ifp, cmd, data));
/* NOT REACHED */
error = ether_ioctl(ifp, cmd, data);
break;
}
return (0);
return (error);
} /* tapifioctl */