/*
* Remove all multicast addresses of the port.
*/
static void
vsw_mac_multicast_remove_all(vsw_t *vswp, vsw_port_t *portp, int type)
{
mac_client_handle_t mch;
mcst_addr_t *mcap;
kmutex_t *mca_lockp;
ASSERT((type == VSW_LOCALDEV) || (type == VSW_VNETPORT));
if (type == VSW_LOCALDEV) {
ASSERT(RW_WRITE_HELD(&vswp->maccl_rwlock));
mch = vswp->mch;
mcap = vswp->mcap;
mca_lockp = &vswp->mca_lock;
} else {
ASSERT(RW_WRITE_HELD(&portp->maccl_rwlock));
mch = portp->p_mch;
mcap = portp->mcap;
mca_lockp = &portp->mca_lock;
}
if (mch == NULL)
return;
mutex_enter(mca_lockp);
for (; mcap != NULL; mcap = mcap->nextp) {
if (!mcap->mac_added)
continue;
(void) mac_multicast_remove(mch, (uchar_t *)&mcap->mca);
mcap->mac_added = B_FALSE;
}
mutex_exit(mca_lockp);
}
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;
}
/*
* Remove multicast addr.
*/
void
vsw_mac_multicast_remove(vsw_t *vswp, vsw_port_t *port, mcst_addr_t *mcst_p,
int type)
{
mac_client_handle_t mch;
WRITE_MACCL_ENTER(vswp, port, type);
mch = (type == VSW_LOCALDEV) ? vswp->mch : port->p_mch;
if (mch != NULL && mcst_p->mac_added) {
mac_multicast_remove(mch, mcst_p->mca.ether_addr_octet);
mcst_p->mac_added = B_FALSE;
}
RW_MACCL_EXIT(vswp, port, type);
}
/*
* Find the multicast address `addr', return B_TRUE if it is one that
* we receive. If `remove', remove it from the set received.
*/
static boolean_t
xnbo_mcast_find(xnb_t *xnbp, ether_addr_t *addr, boolean_t remove)
{
xnbo_t *xnbop = xnbp->xnb_flavour_data;
xmca_t *prev, *del, *this;
ASSERT(MUTEX_HELD(&xnbp->xnb_state_lock));
ASSERT(xnbop->o_promiscuous == B_FALSE);
prev = del = NULL;
this = xnbop->o_mca;
while (this != NULL) {
if (bcmp(&this->addr, addr, sizeof (this->addr)) == 0) {
del = this;
if (remove) {
if (prev == NULL)
xnbop->o_mca = this->next;
else
prev->next = this->next;
}
break;
}
prev = this;
this = this->next;
}
if (del == NULL)
return (B_FALSE);
if (remove) {
DTRACE_PROBE3(mcast_remove,
(char *), "remove",
(void *), xnbp,
(etheraddr_t *), del->addr);
mac_multicast_remove(xnbop->o_mch, del->addr);
kmem_free(del, sizeof (*del));
}
return (B_TRUE);
}
/* ARGSUSED */
static int
pfp_setpacket_sockopt(sock_lower_handle_t handle, int option_name,
const void *optval, socklen_t optlen)
{
struct packet_mreq mreq;
struct pfpsock *ps;
int error = 0;
int opt;
ps = (struct pfpsock *)handle;
if (!ps->ps_bound)
return (EPROTO);
if ((option_name == PACKET_ADD_MEMBERSHIP) ||
(option_name == PACKET_DROP_MEMBERSHIP)) {
if (!ps->ps_bound)
return (EPROTO);
bcopy(optval, &mreq, sizeof (mreq));
if (ps->ps_linkid != mreq.mr_ifindex)
return (EINVAL);
if (mreq.mr_alen !=
((struct sockaddr_ll *)&ps->ps_sock)->sll_halen)
return (EINVAL);
}
switch (option_name) {
case PACKET_ADD_MEMBERSHIP :
switch (mreq.mr_type) {
case PACKET_MR_MULTICAST :
error = mac_multicast_add(ps->ps_mch, mreq.mr_address);
break;
case PACKET_MR_PROMISC :
error = pfp_set_promisc(ps, MAC_CLIENT_PROMISC_ALL);
break;
case PACKET_MR_ALLMULTI :
error = pfp_set_promisc(ps, MAC_CLIENT_PROMISC_MULTI);
break;
}
break;
case PACKET_DROP_MEMBERSHIP :
switch (mreq.mr_type) {
case PACKET_MR_MULTICAST :
mac_multicast_remove(ps->ps_mch, mreq.mr_address);
break;
case PACKET_MR_PROMISC :
if (ps->ps_promisc != MAC_CLIENT_PROMISC_ALL)
return (EINVAL);
error = pfp_set_promisc(ps,
MAC_CLIENT_PROMISC_FILTERED);
break;
case PACKET_MR_ALLMULTI :
if (ps->ps_promisc != MAC_CLIENT_PROMISC_MULTI)
return (EINVAL);
error = pfp_set_promisc(ps,
MAC_CLIENT_PROMISC_FILTERED);
break;
}
break;
case PACKET_AUXDATA :
if (optlen == sizeof (int)) {
opt = *(int *)optval;
ps->ps_auxdata = (opt != 0);
} else {
error = EINVAL;
}
break;
default :
error = EINVAL;
break;
}
return (error);
}
