/*
* npf_pfil_unregister: unregister pfil(9) hooks.
*/
void
npf_pfil_unregister(void)
{
mutex_enter(softnet_lock);
KERNEL_LOCK(1, NULL);
if (npf_ph_if) {
(void)pfil_remove_hook(npf_ifhook, NULL,
PFIL_IFADDR | PFIL_IFNET, npf_ph_if);
}
if (npf_ph_inet) {
(void)pfil_remove_hook(npf_packet_handler, NULL,
PFIL_ALL, npf_ph_inet);
}
if (npf_ph_inet6) {
(void)pfil_remove_hook(npf_packet_handler, NULL,
PFIL_ALL, npf_ph_inet6);
}
npf_ph_if = NULL;
KERNEL_UNLOCK_ONE(NULL);
mutex_exit(softnet_lock);
}
/*
* npf_pfil_unregister: unregister pfil(9) hooks.
*/
void
npf_pfil_unregister(bool fini)
{
npf_t *npf = npf_getkernctx();
mutex_enter(softnet_lock);
KERNEL_LOCK(1, NULL);
if (fini && npf_ph_if) {
(void)pfil_remove_hook(npf_ifhook, NULL,
PFIL_IFADDR | PFIL_IFNET, npf_ph_if);
}
if (npf_ph_inet) {
(void)pfil_remove_hook(npf_packet_handler, npf,
PFIL_ALL, npf_ph_inet);
}
if (npf_ph_inet6) {
(void)pfil_remove_hook(npf_packet_handler, npf,
PFIL_ALL, npf_ph_inet6);
}
pfil_registered = false;
KERNEL_UNLOCK_ONE(NULL);
mutex_exit(softnet_lock);
}
void
pfi_destroy(void)
{
struct pfi_kif *p;
ifnet_t *ifp;
int s;
int bound;
pfil_remove_hook(pfil_ifaddr_wrapper, NULL, PFIL_IFADDR, if_pfil);
pfil_remove_hook(pfil_ifnet_wrapper, NULL, PFIL_IFNET, if_pfil);
bound = curlwp_bind();
s = pserialize_read_enter();
IFNET_READER_FOREACH(ifp) {
struct psref psref;
psref_acquire(&psref, &ifp->if_psref, ifnet_psref_class);
pserialize_read_exit(s);
pfi_detach_ifnet(ifp);
pfi_destroy_groups(ifp);
s = pserialize_read_enter();
psref_release(&psref, &ifp->if_psref, ifnet_psref_class);
}
pserialize_read_exit(s);
curlwp_bindx(bound);
while ((p = RB_MIN(pfi_ifhead, &pfi_ifs))) {
RB_REMOVE(pfi_ifhead, &pfi_ifs, p);
free(p, PFI_MTYPE);
}
pool_destroy(&pfi_addr_pl);
free(pfi_buffer, PFI_MTYPE);
}
