Differential D10025 Diff 27155 sys/netpfil/pf/pf_ioctl.c

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sys/netpfil/pf/pf_ioctl.c

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static int pf_check6_out(void arg, struct mbuf m, struct ifnet ifp,		static int pf_check6_out(void arg, struct mbuf m, struct ifnet ifp,
int dir, struct inpcb *inp);		int dir, struct inpcb *inp);
#endif		#endif

static int hook_pf(void);		static int hook_pf(void);
static int dehook_pf(void);		static int dehook_pf(void);
static int shutdown_pf(void);		static int shutdown_pf(void);
static int pf_load(void);		static int pf_load(void);
static int pf_unload(void);		static void pf_unload(void);

static struct cdevsw pf_cdevsw = {		static struct cdevsw pf_cdevsw = {
.d_ioctl = pfioctl,		.d_ioctl = pfioctl,
.d_name = PF_NAME,		.d_name = PF_NAME,
.d_version = D_VERSION,		.d_version = D_VERSION,
};		};

static volatile VNET_DEFINE(int, pf_pfil_hooked);		static volatile VNET_DEFINE(int, pf_pfil_hooked);
▲ Show 20 Lines • Show All 3,591 Lines • ▼ Show 20 Lines	pf_unload_vnet(void)
PF_RULES_WUNLOCK();		PF_RULES_WUNLOCK();
pfr_cleanup();		pfr_cleanup();
pf_osfp_flush();		pf_osfp_flush();
pf_cleanup();		pf_cleanup();
if (IS_DEFAULT_VNET(curvnet))		if (IS_DEFAULT_VNET(curvnet))
pf_mtag_cleanup();		pf_mtag_cleanup();
}		}

static int		static void
pf_unload(void)		pf_unload(void)
{		{
int error = 0;

sx_xlock(&pf_end_lock);		sx_xlock(&pf_end_lock);
pf_end_threads = 1;		pf_end_threads = 1;
while (pf_end_threads < 2) {		while (pf_end_threads < 2) {
wakeup_one(pf_purge_thread);		wakeup_one(pf_purge_thread);
sx_sleep(pf_purge_proc, &pf_end_lock, 0, "pftmo", 0);		sx_sleep(pf_purge_proc, &pf_end_lock, 0, "pftmo", 0);
}		}
sx_xunlock(&pf_end_lock);		sx_xunlock(&pf_end_lock);

if (pf_dev != NULL)		if (pf_dev != NULL)
destroy_dev(pf_dev);		destroy_dev(pf_dev);

pfi_cleanup();		pfi_cleanup();

rw_destroy(&pf_rules_lock);		rw_destroy(&pf_rules_lock);
sx_destroy(&pf_ioctl_lock);		sx_destroy(&pf_ioctl_lock);
sx_destroy(&pf_end_lock);		sx_destroy(&pf_end_lock);

return (error);
}		}

static void		static void
vnet_pf_init(void *unused __unused)		vnet_pf_init(void *unused __unused)
{		{

pf_load_vnet();		pf_load_vnet();
}		}
VNET_SYSINIT(vnet_pf_init, SI_SUB_PROTO_FIREWALL, SI_ORDER_THIRD,		VNET_SYSINIT(vnet_pf_init, SI_SUB_PROTO_FIREWALL, SI_ORDER_THIRD,
vnet_pf_init, NULL);		vnet_pf_init, NULL);

static void		static void
vnet_pf_uninit(const void *unused __unused)		vnet_pf_uninit(const void *unused __unused)
{		{

pf_unload_vnet();		pf_unload_vnet();
}		}
		SYSUNINIT(pf_unload, SI_SUB_PROTO_FIREWALL, SI_ORDER_SECOND, pf_unload, NULL);
VNET_SYSUNINIT(vnet_pf_uninit, SI_SUB_PROTO_FIREWALL, SI_ORDER_THIRD,		VNET_SYSUNINIT(vnet_pf_uninit, SI_SUB_PROTO_FIREWALL, SI_ORDER_THIRD,
vnet_pf_uninit, NULL);		vnet_pf_uninit, NULL);


static int		static int
pf_modevent(module_t mod, int type, void *data)		pf_modevent(module_t mod, int type, void *data)
{		{
int error = 0;		int error = 0;

switch(type) {		switch(type) {
case MOD_LOAD:		case MOD_LOAD:
error = pf_load();		error = pf_load();
break;		break;
case MOD_QUIESCE:		case MOD_QUIESCE:
/*		/*
* Module should not be unloaded due to race conditions.		* Module should not be unloaded due to race conditions.
*/		*/
error = EBUSY;		error = EBUSY;
break;		break;
case MOD_UNLOAD:		case MOD_UNLOAD:
error = pf_unload();		/* Handled in vnet_pf_uninit() */
break;		break;
default:		default:
error = EINVAL;		error = EINVAL;
break;		break;
}		}

return (error);		return (error);
}		}
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