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Provide link state reporting so that ifconfig_llan0="DHCP" works. The

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reported link state is fictional (always up) since the hypervisor does
not provide this information.

MFC after:	1 week
This commit is contained in:
Nathan Whitehorn 2015-12-19 02:16:38 +00:00
parent 6e8ef9cbb0
commit e68826d293
1 changed files with 38 additions and 0 deletions
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38
sys/powerpc/pseries/phyp_llan.c
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@ -87,6 +87,8 @@ struct llan_softc {
cell_t unit;
uint8_t mac_address[8];
struct ifmedia media;
int irqid;
struct resource *irq;
void *irq_cookie;
@ -116,6 +118,8 @@ static void llan_intr(void *xsc);
static void llan_init(void *xsc);
static void llan_start(struct ifnet *ifp);
static int llan_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data);
static void llan_media_status(struct ifnet *ifp, struct ifmediareq *ifmr);
static int llan_media_change(struct ifnet *ifp);
static void llan_rx_load_cb(void *xsc, bus_dma_segment_t *segs, int nsegs,
int err);
static int llan_add_rxbuf(struct llan_softc *sc, struct llan_xfer *rx);
@ -220,15 +224,45 @@ llan_attach(device_t dev)
sc->ifp->if_ioctl = llan_ioctl;
sc->ifp->if_init = llan_init;
ifmedia_init(&sc->media, IFM_IMASK, llan_media_change,
llan_media_status);
ifmedia_add(&sc->media, IFM_ETHER | IFM_AUTO, 0, NULL);
ifmedia_set(&sc->media, IFM_ETHER | IFM_AUTO);
IFQ_SET_MAXLEN(&sc->ifp->if_snd, LLAN_MAX_TX_PACKETS);
sc->ifp->if_snd.ifq_drv_maxlen = LLAN_MAX_TX_PACKETS;
IFQ_SET_READY(&sc->ifp->if_snd);
ether_ifattach(sc->ifp, &sc->mac_address[2]);
/* We don't have link state reporting, so make it always up */
if_link_state_change(sc->ifp, LINK_STATE_UP);
return (0);
}
static int
llan_media_change(struct ifnet *ifp)
{
struct llan_softc *sc = ifp->if_softc;
if (IFM_TYPE(sc->media.ifm_media) != IFM_ETHER)
return (EINVAL);
if (IFM_SUBTYPE(sc->media.ifm_media) != IFM_AUTO)
return (EINVAL);
return (0);
}
static void
llan_media_status(struct ifnet *ifp, struct ifmediareq *ifmr)
{
ifmr->ifm_status = IFM_AVALID | IFM_ACTIVE | IFM_UNKNOWN | IFM_FDX;
ifmr->ifm_active = IFM_ETHER;
}
static void
llan_rx_load_cb(void *xsc, bus_dma_segment_t *segs, int nsegs, int err)
{
@ -501,6 +535,10 @@ llan_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
llan_set_multicast(sc);
mtx_unlock(&sc->io_lock);
break;
case SIOCGIFMEDIA:
case SIOCSIFMEDIA:
err = ifmedia_ioctl(ifp, (struct ifreq *)data, &sc->media, cmd);
break;
case SIOCSIFFLAGS:
default:
err = ether_ioctl(ifp, cmd, data);