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Make it be able to down I/F. This fixes panic when removing IFF_UP flag.

This commit is contained in:
hikaru 2014-06-19 13:16:29 +00:00
parent cdfd633d25
commit f589d3a6c3
1 changed files with 15 additions and 8 deletions
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23
sys/arch/x86/pci/if_vmx.c
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@ -1,4 +1,4 @@
/* $NetBSD: if_vmx.c,v 1.1 2014/06/10 01:42:39 hikaru Exp $ */
/* $NetBSD: if_vmx.c,v 1.2 2014/06/19 13:16:29 hikaru Exp $ */
/* $OpenBSD: if_vmx.c,v 1.16 2014/01/22 06:04:17 brad Exp $ */
/*
@ -18,7 +18,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: if_vmx.c,v 1.1 2014/06/10 01:42:39 hikaru Exp $");
__KERNEL_RCSID(0, "$NetBSD: if_vmx.c,v 1.2 2014/06/19 13:16:29 hikaru Exp $");
#include <sys/param.h>
#include <sys/bus.h>
@ -160,7 +160,7 @@ void vmxnet3_rxintr(struct vmxnet3_softc *, struct vmxnet3_rxqueue *);
void vmxnet3_iff(struct vmxnet3_softc *);
void vmxnet3_rx_csum(struct vmxnet3_rxcompdesc *, struct mbuf *);
int vmxnet3_getbuf(struct vmxnet3_softc *, struct vmxnet3_rxring *);
void vmxnet3_stop(struct ifnet *);
void vmxnet3_stop(struct ifnet *, int disable);
void vmxnet3_reset(struct ifnet *);
int vmxnet3_init(struct ifnet *);
int vmxnet3_ioctl(struct ifnet *, u_long, void *);
@ -281,6 +281,7 @@ vmxnet3_attach(device_t parent, device_t self, void *aux)
ifp->if_start = vmxnet3_start;
ifp->if_watchdog = vmxnet3_watchdog;
ifp->if_init = vmxnet3_init;
ifp->if_stop = vmxnet3_stop;
sc->sc_ethercom.ec_capabilities |= ETHERCAP_VLAN_MTU;
if (sc->sc_ds->upt_features & UPT1_F_CSUM)
sc->sc_ethercom.ec_if.if_capabilities |=
@ -599,7 +600,10 @@ int
vmxnet3_intr(void *arg)
{
struct vmxnet3_softc *sc = arg;
struct ifnet *ifp = &sc->sc_ethercom.ec_if;
if ((ifp->if_flags & IFF_RUNNING) == 0)
return 0;
if (READ_BAR1(sc, VMXNET3_BAR1_INTR) == 0)
return 0;
if (sc->sc_ds->event)
@ -939,7 +943,7 @@ vmxnet3_getbuf(struct vmxnet3_softc *sc, struct vmxnet3_rxring *ring)
}
void
vmxnet3_stop(struct ifnet *ifp)
vmxnet3_stop(struct ifnet *ifp, int disable)
{
struct vmxnet3_softc *sc = ifp->if_softc;
int queue;
@ -951,6 +955,9 @@ vmxnet3_stop(struct ifnet *ifp)
ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);
ifp->if_timer = 0;
if (!disable)
return;
WRITE_CMD(sc, VMXNET3_CMD_DISABLE);
for (queue = 0; queue < NTXQUEUE; queue++)
@ -964,7 +971,7 @@ vmxnet3_reset(struct ifnet *ifp)
{
struct vmxnet3_softc *sc = ifp->if_softc;
vmxnet3_stop(ifp);
vmxnet3_stop(ifp, 1);
WRITE_CMD(sc, VMXNET3_CMD_RESET);
vmxnet3_init(ifp);
}
@ -989,7 +996,7 @@ vmxnet3_init(struct ifnet *ifp)
WRITE_CMD(sc, VMXNET3_CMD_ENABLE);
if (READ_BAR1(sc, VMXNET3_BAR1_CMD)) {
printf("%s: failed to initialize\n", ifp->if_xname);
vmxnet3_stop(ifp);
vmxnet3_stop(ifp, 1);
return EIO;
}
@ -1013,7 +1020,7 @@ vmxnet3_change_mtu(struct vmxnet3_softc *sc, int mtu)
if (mtu < VMXNET3_MIN_MTU || mtu > VMXNET3_MAX_MTU)
return EINVAL;
vmxnet3_stop(ifp);
vmxnet3_stop(ifp, 1);
ifp->if_mtu = ds->mtu = mtu;
error = vmxnet3_init(ifp);
return error;
@ -1191,7 +1198,7 @@ vmxnet3_watchdog(struct ifnet *ifp)
printf("%s: device timeout\n", ifp->if_xname);
s = splnet();
vmxnet3_stop(ifp);
vmxnet3_stop(ifp, 1);
vmxnet3_init(ifp);
splx(s);
}