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Add simple suspend and resume methods. We call em_stop() on suspend and

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em_init() on resume. With this change the network is ready right after
resume, without half minute lag.

Tested by:	Jacques Garrigue
This commit is contained in:
Gleb Smirnoff 2005-12-26 10:39:21 +00:00
parent 06490ba975
commit 0b6169c0fa
1 changed files with 40 additions and 0 deletions
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40
sys/dev/em/if_em.c
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@ -138,8 +138,11 @@ static int em_probe(device_t);
static int em_attach(device_t);
static int em_detach(device_t);
static int em_shutdown(device_t);
static int em_suspend(device_t);
static int em_resume(device_t);
static void em_intr(void *);
static void em_start(struct ifnet *);
static void em_start_locked(struct ifnet *ifp);
static int em_ioctl(struct ifnet *, u_long, caddr_t);
static void em_watchdog(struct ifnet *);
static void em_init(void *);
@ -220,6 +223,8 @@ static device_method_t em_methods[] = {
DEVMETHOD(device_attach, em_attach),
DEVMETHOD(device_detach, em_detach),
DEVMETHOD(device_shutdown, em_shutdown),
DEVMETHOD(device_suspend, em_suspend),
DEVMETHOD(device_resume, em_resume),
{0, 0}
};
@ -602,6 +607,41 @@ em_shutdown(device_t dev)
return(0);
}
/*
* Suspend/resume device methods.
*/
static int
em_suspend(device_t dev)
{
struct adapter *adapter = device_get_softc(dev);
EM_LOCK(adapter);
em_stop(adapter);
EM_UNLOCK(adapter);
return bus_generic_suspend(dev);
}
static int
em_resume(device_t dev)
{
struct adapter *adapter = device_get_softc(dev);
struct ifnet *ifp;
EM_LOCK(adapter);
ifp = adapter->ifp;
if (ifp->if_flags & IFF_UP) {
em_init_locked(adapter);
if (ifp->if_drv_flags & IFF_DRV_RUNNING)
em_start_locked(ifp);
}
em_init_locked(adapter);
EM_UNLOCK(adapter);
return bus_generic_resume(dev);
}
/*********************************************************************
* Transmit entry point