static void
i_xnbo_close_mac(xnb_t *xnbp, boolean_t locked)
{
xnbo_t *xnbop = xnbp->xnb_flavour_data;
xmca_t *loop;
ASSERT(!locked || MUTEX_HELD(&xnbp->xnb_state_lock));
if (xnbop->o_mh == NULL)
return;
if (xnbop->o_running)
xnbop->o_running = B_FALSE;
if (!locked)
mutex_enter(&xnbp->xnb_state_lock);
loop = xnbop->o_mca;
xnbop->o_mca = NULL;
if (!locked)
mutex_exit(&xnbp->xnb_state_lock);
while (loop != NULL) {
xmca_t *next = loop->next;
DTRACE_PROBE3(mcast_remove,
(char *), "close",
(void *), xnbp,
(etheraddr_t *), loop->addr);
(void) mac_multicast_remove(xnbop->o_mch, loop->addr);
kmem_free(loop, sizeof (*loop));
loop = next;
}
if (xnbop->o_promiscuous) {
if (xnbop->o_mphp != NULL) {
mac_promisc_remove(xnbop->o_mphp);
xnbop->o_mphp = NULL;
}
xnbop->o_promiscuous = B_FALSE;
} else {
if (xnbop->o_mch != NULL)
mac_rx_clear(xnbop->o_mch);
}
if (xnbop->o_mah != NULL) {
(void) mac_unicast_remove(xnbop->o_mch, xnbop->o_mah);
xnbop->o_mah = NULL;
}
if (xnbop->o_mch != NULL) {
mac_client_close(xnbop->o_mch, 0);
xnbop->o_mch = NULL;
}
mac_close(xnbop->o_mh);
xnbop->o_mh = NULL;
}
/*
* Set the promiscuous mode of a network interface.
* This function only calls the mac layer when there is a change to the
* status of a network interface's promiscous mode. Tracking of how many
* sockets have the network interface in promiscuous mode, and thus the
* control over the physical device's status, is left to the mac layer.
*/
static int
pfp_set_promisc(struct pfpsock *ps, mac_client_promisc_type_t turnon)
{
int error = 0;
int flags;
/*
* There are 4 combinations of turnon/ps_promisc.
* This if handles 2 (both false, both true) and the if() below
* handles the remaining one - when change is required.
*/
if (turnon == ps->ps_promisc)
return (error);
if (ps->ps_phd != 0) {
mac_promisc_remove(ps->ps_phd);
ps->ps_phd = 0;
/*
* ps_promisc is set here in case the call to mac_promisc_add
* fails: leaving it to indicate that the interface is still
* in some sort of promiscuous mode is false.
*/
if (ps->ps_promisc != MAC_CLIENT_PROMISC_FILTERED) {
ps->ps_promisc = MAC_CLIENT_PROMISC_FILTERED;
flags = MAC_PROMISC_FLAGS_NO_PHYS;
} else {
flags = 0;
}
flags |= MAC_PROMISC_FLAGS_VLAN_TAG_STRIP;
}
error = mac_promisc_add(ps->ps_mch, turnon, pfp_packet, ps,
&ps->ps_phd, flags);
if (error == 0)
ps->ps_promisc = turnon;
return (error);
}
/* ARGSUSED */
static int
sdpfp_close(sock_lower_handle_t handle, int flag, struct cred *cr)
{
struct pfpsock *ps = (struct pfpsock *)handle;
if (ps->ps_phd != 0) {
mac_promisc_remove(ps->ps_phd);
ps->ps_phd = 0;
}
if (ps->ps_mch != 0) {
mac_client_close(ps->ps_mch, 0);
ps->ps_mch = 0;
}
if (ps->ps_mh != 0) {
mac_close(ps->ps_mh);
ps->ps_mh = 0;
}
kmem_free(ps, sizeof (*ps));
return (0);
}
static void
mac_bpf_promisc_remove(uintptr_t phandle)
{
mac_promisc_remove((mac_promisc_handle_t)phandle);
}