/**
* Stop the kernel module.
*/
static kern_return_t VBoxNetFltDarwinStop(struct kmod_info *pKModInfo, void *pvData)
{
Log(("VBoxNetFltDarwinStop\n"));
/*
* Refuse to unload if anyone is currently using the filter driver.
* This is important as I/O kit / xnu will to be able to do usage
* tracking for us!
*/
int rc = vboxNetFltTryDeleteIdcAndGlobals(&g_VBoxNetFltGlobals);
if (RT_FAILURE(rc))
{
Log(("VBoxNetFltDarwinStop - failed, busy.\n"));
return KMOD_RETURN_FAILURE;
}
/*
* Undo the work done during start (in reverse order).
*/
memset(&g_VBoxNetFltGlobals, 0, sizeof(g_VBoxNetFltGlobals));
RTR0Term();
return KMOD_RETURN_SUCCESS;
}
/**
* Module event handler, called from netgraph subsystem.
*/
static int vboxnetflt_modevent(struct module *pMod, int enmEventType, void *pvArg)
{
int rc;
Log(("VBoxNetFltFreeBSDModuleEvent\n"));
switch (enmEventType)
{
case MOD_LOAD:
rc = RTR0Init(0);
if (RT_FAILURE(rc))
{
printf("RTR0Init failed %d\n", rc);
return RTErrConvertToErrno(rc);
}
memset(&g_VBoxNetFltGlobals, 0, sizeof(VBOXNETFLTGLOBALS));
rc = vboxNetFltInitGlobalsAndIdc(&g_VBoxNetFltGlobals);
if (RT_FAILURE(rc))
{
printf("vboxNetFltInitGlobalsAndIdc failed %d\n", rc);
return RTErrConvertToErrno(rc);
}
/* No MODULE_VERSION in ng_ether so we can't MODULE_DEPEND it */
kern_kldload(curthread, "ng_ether", NULL);
break;
case MOD_UNLOAD:
rc = vboxNetFltTryDeleteIdcAndGlobals(&g_VBoxNetFltGlobals);
memset(&g_VBoxNetFltGlobals, 0, sizeof(VBOXNETFLTGLOBALS));
RTR0Term();
break;
case MOD_SHUTDOWN:
case MOD_QUIESCE:
default:
return EOPNOTSUPP;
}
if (RT_SUCCESS(rc))
return 0;
return RTErrConvertToErrno(rc);
}
