Differential D5272 Diff 13283 sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c

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sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c

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#if defined(INET) \|\| defined(INET6)		#if defined(INET) \|\| defined(INET6)
#if __FreeBSD_version >= 1100095		#if __FreeBSD_version >= 1100095
static int hn_lro_entry_count = HN_LROENT_CNT_DEF;		static int hn_lro_entry_count = HN_LROENT_CNT_DEF;
TUNABLE_INT("dev.hn.lro_entry_count", &hn_lro_entry_count);		TUNABLE_INT("dev.hn.lro_entry_count", &hn_lro_entry_count);
#endif		#endif
#endif		#endif

		static int hn_share_tx_taskq = 0;
		TUNABLE_INT("hw.hn.share_tx_taskq", &hn_share_tx_taskq);

		static struct taskqueue *hn_tx_taskq;

/*		/*
* Forward declarations		* Forward declarations
*/		*/
static void hn_stop(hn_softc_t *sc);		static void hn_stop(hn_softc_t *sc);
static void hn_ifinit_locked(hn_softc_t *sc);		static void hn_ifinit_locked(hn_softc_t *sc);
static void hn_ifinit(void *xsc);		static void hn_ifinit(void *xsc);
static int hn_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data);		static int hn_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data);
static int hn_start_locked(struct ifnet *ifp, int len);		static int hn_start_locked(struct ifnet *ifp, int len);
▲ Show 20 Lines • Show All 99 Lines • ▼ Show 20 Lines	#endif
sc->hn_direct_tx_size = hn_direct_tx_size;		sc->hn_direct_tx_size = hn_direct_tx_size;
if (hn_trust_hosttcp)		if (hn_trust_hosttcp)
sc->hn_trust_hcsum \|= HN_TRUST_HCSUM_TCP;		sc->hn_trust_hcsum \|= HN_TRUST_HCSUM_TCP;
if (hn_trust_hostudp)		if (hn_trust_hostudp)
sc->hn_trust_hcsum \|= HN_TRUST_HCSUM_UDP;		sc->hn_trust_hcsum \|= HN_TRUST_HCSUM_UDP;
if (hn_trust_hostip)		if (hn_trust_hostip)
sc->hn_trust_hcsum \|= HN_TRUST_HCSUM_IP;		sc->hn_trust_hcsum \|= HN_TRUST_HCSUM_IP;

		if (hn_tx_taskq == NULL) {
sc->hn_tx_taskq = taskqueue_create_fast("hn_tx", M_WAITOK,		sc->hn_tx_taskq = taskqueue_create_fast("hn_tx", M_WAITOK,
taskqueue_thread_enqueue, &sc->hn_tx_taskq);		taskqueue_thread_enqueue, &sc->hn_tx_taskq);
taskqueue_start_threads(&sc->hn_tx_taskq, 1, PI_NET, "%s tx",		taskqueue_start_threads(&sc->hn_tx_taskq, 1, PI_NET, "%s tx",
device_get_nameunit(dev));		device_get_nameunit(dev));
		} else {
		sc->hn_tx_taskq = hn_tx_taskq;
		}
TASK_INIT(&sc->hn_start_task, 0, hn_start_taskfunc, sc);		TASK_INIT(&sc->hn_start_task, 0, hn_start_taskfunc, sc);
TASK_INIT(&sc->hn_txeof_task, 0, hn_txeof_taskfunc, sc);		TASK_INIT(&sc->hn_txeof_task, 0, hn_txeof_taskfunc, sc);

error = hn_create_tx_ring(sc);		error = hn_create_tx_ring(sc);
if (error)		if (error)
goto failed;		goto failed;

NV_LOCK_INIT(sc, "NetVSCLock");		NV_LOCK_INIT(sc, "NetVSCLock");
▲ Show 20 Lines • Show All 229 Lines • ▼ Show 20 Lines	netvsc_detach(device_t dev)
* XXXKYS: Need to stop outgoing traffic and unregister		* XXXKYS: Need to stop outgoing traffic and unregister
* the netdevice.		* the netdevice.
*/		*/

hv_rf_on_device_remove(hv_device, HV_RF_NV_DESTROY_CHANNEL);		hv_rf_on_device_remove(hv_device, HV_RF_NV_DESTROY_CHANNEL);

taskqueue_drain(sc->hn_tx_taskq, &sc->hn_start_task);		taskqueue_drain(sc->hn_tx_taskq, &sc->hn_start_task);
taskqueue_drain(sc->hn_tx_taskq, &sc->hn_txeof_task);		taskqueue_drain(sc->hn_tx_taskq, &sc->hn_txeof_task);
		if (sc->hn_tx_taskq != hn_tx_taskq)
taskqueue_free(sc->hn_tx_taskq);		taskqueue_free(sc->hn_tx_taskq);

ifmedia_removeall(&sc->hn_media);		ifmedia_removeall(&sc->hn_media);
#if defined(INET) \|\| defined(INET6)		#if defined(INET) \|\| defined(INET6)
tcp_lro_free(&sc->hn_lro);		tcp_lro_free(&sc->hn_lro);
#endif		#endif
hn_destroy_tx_ring(sc);		hn_destroy_tx_ring(sc);

return (0);		return (0);
▲ Show 20 Lines • Show All 1,419 Lines • ▼ Show 20 Lines	hn_txeof_taskfunc(void *xsc, int pending __unused)
struct hn_softc *sc = xsc;		struct hn_softc *sc = xsc;
struct ifnet *ifp = sc->hn_ifp;		struct ifnet *ifp = sc->hn_ifp;

NV_LOCK(sc);		NV_LOCK(sc);
atomic_clear_int(&ifp->if_drv_flags, IFF_DRV_OACTIVE);		atomic_clear_int(&ifp->if_drv_flags, IFF_DRV_OACTIVE);
hn_start_locked(ifp, 0);		hn_start_locked(ifp, 0);
NV_UNLOCK(sc);		NV_UNLOCK(sc);
}		}

		static void
		hn_tx_taskq_create(void *arg __unused)
		{
		if (!hn_share_tx_taskq)
		return;

		hn_tx_taskq = taskqueue_create_fast("hn_tx", M_WAITOK,
		taskqueue_thread_enqueue, &hn_tx_taskq);
		taskqueue_start_threads(&hn_tx_taskq, 1, PI_NET, "hn tx");
		}
		SYSINIT(hn_txtq_create, SI_SUB_DRIVERS, SI_ORDER_FIRST,
		hn_tx_taskq_create, NULL);

		static void
		hn_tx_taskq_destroy(void *arg __unused)
		{
		if (hn_tx_taskq != NULL)
		taskqueue_free(hn_tx_taskq);
		}
		SYSUNINIT(hn_txtq_destroy, SI_SUB_DRIVERS, SI_ORDER_FIRST,
		hn_tx_taskq_destroy, NULL);

static device_method_t netvsc_methods[] = {		static device_method_t netvsc_methods[] = {
/* Device interface */		/* Device interface */
DEVMETHOD(device_probe, netvsc_probe),		DEVMETHOD(device_probe, netvsc_probe),
DEVMETHOD(device_attach, netvsc_attach),		DEVMETHOD(device_attach, netvsc_attach),
DEVMETHOD(device_detach, netvsc_detach),		DEVMETHOD(device_detach, netvsc_detach),
DEVMETHOD(device_shutdown, netvsc_shutdown),		DEVMETHOD(device_shutdown, netvsc_shutdown),

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