void
dls_close(dls_channel_t dc)
{
dls_impl_t *dip = (dls_impl_t *)dc;
dls_vlan_t *dvp;
dls_link_t *dlp;
dls_multicst_addr_t *p;
dls_multicst_addr_t *nextp;
dls_active_clear(dc);
rw_enter(&(dip->di_lock), RW_WRITER);
/*
* Remove the notify function.
*/
mac_notify_remove(dip->di_mh, dip->di_mnh);
dip->di_mnh = NULL;
/*
* If the dls_impl_t is bound then unbind it.
*/
dvp = dip->di_dvp;
dlp = dvp->dv_dlp;
if (dip->di_bound) {
rw_exit(&(dip->di_lock));
dls_link_remove(dlp, dip);
rw_enter(&(dip->di_lock), RW_WRITER);
dip->di_bound = B_FALSE;
}
dip->di_rx = NULL;
dip->di_rx_arg = NULL;
/*
* Walk the list of multicast addresses, disabling each at the MAC.
*/
for (p = dip->di_dmap; p != NULL; p = nextp) {
(void) mac_multicst_remove(dip->di_mh, p->dma_addr);
nextp = p->dma_nextp;
kmem_free(p, sizeof (dls_multicst_addr_t));
}
dip->di_dmap = NULL;
rw_exit(&(dip->di_lock));
/*
* If the MAC has been set in promiscuous mode then disable it.
*/
(void) dls_promisc(dc, 0);
/*
* Free the dls_impl_t back to the cache.
*/
dip->di_dvp = NULL;
dip->di_txinfo = NULL;
if (dip->di_soft_ring_list != NULL) {
soft_ring_set_destroy(dip->di_soft_ring_list,
dip->di_soft_ring_size);
dip->di_soft_ring_list = NULL;
}
dip->di_soft_ring_size = 0;
kmem_cache_free(i_dls_impl_cachep, dip);
/*
* Decrement the reference count to allow the cache to be destroyed
* if there are no more dls_impl_t.
*/
atomic_add_32(&i_dls_impl_count, -1);
/*
* Release our reference to the dls_vlan_t allowing that to be
* destroyed if there are no more dls_impl_t. An unreferenced tagged
* vlan gets destroyed automatically.
*/
dls_vlan_rele(dvp);
}
/*
* DL_PROMISCOFF_REQ
*/
static void
proto_promiscoff_req(dld_str_t *dsp, mblk_t *mp)
{
dl_promiscoff_req_t *dlp = (dl_promiscoff_req_t *)mp->b_rptr;
int err = 0;
t_uscalar_t dl_err;
uint32_t promisc_saved;
queue_t *q = dsp->ds_wq;
mac_perim_handle_t mph;
if (MBLKL(mp) < sizeof (dl_promiscoff_req_t)) {
dl_err = DL_BADPRIM;
goto failed;
}
if (dsp->ds_dlstate == DL_UNATTACHED ||
DL_ACK_PENDING(dsp->ds_dlstate)) {
dl_err = DL_OUTSTATE;
goto failed;
}
promisc_saved = dsp->ds_promisc;
switch (dlp->dl_level) {
case DL_PROMISC_SAP:
if (!(dsp->ds_promisc & DLS_PROMISC_SAP)) {
dl_err = DL_NOTENAB;
goto failed;
}
dsp->ds_promisc &= ~DLS_PROMISC_SAP;
break;
case DL_PROMISC_MULTI:
if (!(dsp->ds_promisc & DLS_PROMISC_MULTI)) {
dl_err = DL_NOTENAB;
goto failed;
}
dsp->ds_promisc &= ~DLS_PROMISC_MULTI;
break;
case DL_PROMISC_PHYS:
if (!(dsp->ds_promisc & DLS_PROMISC_PHYS)) {
dl_err = DL_NOTENAB;
goto failed;
}
dsp->ds_promisc &= ~DLS_PROMISC_PHYS;
break;
default:
dl_err = DL_NOTSUPPORTED;
goto failed;
}
mac_perim_enter_by_mh(dsp->ds_mh, &mph);
/*
* Adjust channel promiscuity.
*/
err = dls_promisc(dsp, promisc_saved);
if (err != 0) {
mac_perim_exit(mph);
dl_err = DL_SYSERR;
goto failed;
}
if (dsp->ds_promisc == 0)
dls_active_clear(dsp, B_FALSE);
mac_perim_exit(mph);
dlokack(q, mp, DL_PROMISCOFF_REQ);
return;
failed:
dlerrorack(q, mp, DL_PROMISCOFF_REQ, dl_err, (t_uscalar_t)err);
}
