/**
* 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);
}
/**
* Start the kernel module.
*/
static kern_return_t VBoxNetFltDarwinStart(struct kmod_info *pKModInfo, void *pvData)
{
int rc;
/*
* Initialize IPRT and find our module tag id.
* (IPRT is shared with VBoxDrv, it creates the loggers.)
*/
rc = RTR0Init(0);
if (RT_SUCCESS(rc))
{
Log(("VBoxNetFltDarwinStart\n"));
errno_t err = mbuf_tag_id_find("org.VirtualBox.kext.VBoxFltDrv", &g_idTag);
if (!err)
{
/*
* Initialize the globals and connect to the support driver.
*
* This will call back vboxNetFltOsOpenSupDrv (and maybe vboxNetFltOsCloseSupDrv)
* for establishing the connect to the support driver.
*/
memset(&g_VBoxNetFltGlobals, 0, sizeof(g_VBoxNetFltGlobals));
rc = vboxNetFltInitGlobalsAndIdc(&g_VBoxNetFltGlobals);
if (RT_SUCCESS(rc))
{
LogRel(("VBoxFltDrv: version " VBOX_VERSION_STRING " r%d\n", VBOX_SVN_REV));
return KMOD_RETURN_SUCCESS;
}
LogRel(("VBoxFltDrv: failed to initialize device extension (rc=%d)\n", rc));
}
else
LogRel(("VBoxFltDrv: mbuf_tag_id_find failed, err=%d\n", err));
RTR0Term();
}
else
printf("VBoxFltDrv: failed to initialize IPRT (rc=%d)\n", rc);
memset(&g_VBoxNetFltGlobals, 0, sizeof(g_VBoxNetFltGlobals));
return KMOD_RETURN_FAILURE;
}
