/** * 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; }