Beispiel #1
0
/*
 * Remove vlan ids of the given vsw device or port from its hash table.
 */
void
vsw_vlan_remove_ids(void *arg, int type)
{
	mod_hash_val_t	vp;
	int		rv;
	int		i;

	if (type == VSW_LOCALDEV) {
		vsw_t		*vswp = (vsw_t *)arg;

		rv = vsw_vlan_lookup(vswp->vlan_hashp, vswp->pvid);
		if (rv == B_TRUE) {
			rv = mod_hash_remove(vswp->vlan_hashp,
			    (mod_hash_key_t)VLAN_ID_KEY(vswp->pvid),
			    (mod_hash_val_t *)&vp);
			ASSERT(rv == 0);
		}

		for (i = 0; i < vswp->nvids; i++) {
			rv = vsw_vlan_lookup(vswp->vlan_hashp,
			    vswp->vids[i].vl_vid);
			if (rv == B_TRUE) {
				rv = mod_hash_remove(vswp->vlan_hashp,
				    (mod_hash_key_t)VLAN_ID_KEY(
				    vswp->vids[i].vl_vid),
				    (mod_hash_val_t *)&vp);
				ASSERT(rv == 0);
			}
		}

	} else if (type == VSW_VNETPORT) {
		vsw_port_t	*portp = (vsw_port_t *)arg;

		portp = (vsw_port_t *)arg;
		rv = vsw_vlan_lookup(portp->vlan_hashp, portp->pvid);
		if (rv == B_TRUE) {
			rv = mod_hash_remove(portp->vlan_hashp,
			    (mod_hash_key_t)VLAN_ID_KEY(portp->pvid),
			    (mod_hash_val_t *)&vp);
			ASSERT(rv == 0);
		}

		for (i = 0; i < portp->nvids; i++) {
			rv = vsw_vlan_lookup(portp->vlan_hashp,
			    portp->vids[i].vl_vid);
			if (rv == B_TRUE) {
				rv = mod_hash_remove(portp->vlan_hashp,
				    (mod_hash_key_t)VLAN_ID_KEY(
				    portp->vids[i].vl_vid),
				    (mod_hash_val_t *)&vp);
				ASSERT(rv == 0);
			}
		}

	} else {
		return;
	}
}
Beispiel #2
0
/*
 * Remove an entry from FDB.
 */
void
vsw_fdbe_del(vsw_t *vswp, struct ether_addr *eaddr)
{
	uint64_t	addr = 0;
	vsw_fdbe_t	*fp;
	int		rv;

	KEY_HASH(addr, eaddr);

	/*
	 * Remove the entry from fdb hash table.
	 * This prevents further references to this fdb entry.
	 */
	rv = mod_hash_remove(vswp->fdb_hashp, (mod_hash_key_t)addr,
	    (mod_hash_val_t *)&fp);
	if (rv != 0) {
		/* invalid key? */
		return;
	}

	/*
	 * If there are threads already ref holding before the entry was
	 * removed from hash table, then wait for ref count to drop to zero.
	 */
	while (fp->refcnt != 0) {
		delay(drv_usectohz(vsw_fdbe_refcnt_delay));
	}

	kmem_free(fp, sizeof (*fp));
}
Beispiel #3
0
static int
fcoet_process_sol_abts_rjt(fcoe_frame_t *frm)
{
	fcoet_exchange_t	*xch	   = NULL;
	uint16_t		 sol_oxid;

	sol_oxid = FRM_OXID(frm);
	if (mod_hash_remove(FRM2SS(frm)->ss_sol_oxid_hash,
	    (mod_hash_key_t)(intptr_t)sol_oxid,
	    (mod_hash_val_t *)&xch) != 0) {
		/*
		 * So far ABTS for FLOGI might be removed from ss_sol_oxid_hash
		 * in fcoet_watch_handle_sol_flogi, Will improve it later
		 */
		return (FCOE_SUCCESS);
	}

	xch->xch_flags &= ~XCH_FLAG_IN_HASH_TABLE;

	if (!FRM_IS_LAST_FRAME(frm)) {
		FCOET_LOG("fcoet_process_sol_abts_rjt",
		    "not supported this kind frame");
		return (FCOE_FAILURE);
	}

	FCOET_LOG("fcoet_process_sol_abts_rjt",
	    "ABTS_RJT received rjt reason %x but there is nothing to do",
	    frm->frm_payload[1]);
	return (FCOE_SUCCESS);
}
Beispiel #4
0
int
dls_vlan_destroy(const char *name)
{
	int		err;
	dls_vlan_t	*dvp;
	dls_link_t	*dlp;
	mod_hash_val_t	val;

	/*
	 * Find the dls_vlan_t in the global hash table.
	 */
	rw_enter(&i_dls_vlan_lock, RW_WRITER);

	err = mod_hash_find(i_dls_vlan_hash, (mod_hash_key_t)name,
	    (mod_hash_val_t *)&dvp);
	if (err != 0) {
		err = ENOENT;
		goto done;
	}

	/*
	 * Check to see if it is referenced by any dls_impl_t.
	 */
	if (dvp->dv_ref != 0) {
		err = EBUSY;
		goto done;
	}

	/*
	 * Remove and destroy the hash table entry.
	 */
	err = mod_hash_remove(i_dls_vlan_hash, (mod_hash_key_t)name,
	    (mod_hash_val_t *)&val);
	ASSERT(err == 0);
	ASSERT(dvp == (dls_vlan_t *)val);

	ASSERT(i_dls_vlan_count > 0);
	i_dls_vlan_count--;

	/*
	 * Save a reference to dv_dlp before freeing the dls_vlan_t back
	 * to the cache.
	 */
	dlp = dvp->dv_dlp;
	kmem_cache_free(i_dls_vlan_cachep, dvp);

	/*
	 * Release the dls_link_t. This will destroy the dls_link_t and
	 * release the MAC if there are no more dls_vlan_t.
	 */
	dls_link_rele(dlp);
done:
	rw_exit(&i_dls_vlan_lock);
	return (err);
}
Beispiel #5
0
void
fcoet_clear_sol_exchange(fcoet_exchange_t *xch)
{
	mod_hash_val_t val = NULL;

	if (xch->xch_flags & XCH_FLAG_IN_HASH_TABLE) {
		(void) mod_hash_remove(xch->xch_ss->ss_sol_oxid_hash,
		    (mod_hash_key_t)(intptr_t)xch->xch_oxid, &val);
		ASSERT((fcoet_exchange_t *)val == xch);
		xch->xch_flags &= ~XCH_FLAG_IN_HASH_TABLE;
	}
}
Beispiel #6
0
static int
fcoet_process_sol_ct_rsp(fcoe_frame_t *frm)
{
	uint32_t		 actual_size;
	fct_status_t		 fc_st;
	uint32_t		 iof;
	fct_sol_ct_t		*ct  = NULL;
	fcoet_exchange_t	*xch = NULL;
	uint16_t		 sol_oxid;

	sol_oxid = FRM_OXID(frm);

	if (mod_hash_remove(FRM2SS(frm)->ss_sol_oxid_hash,
	    (mod_hash_key_t)(intptr_t)sol_oxid,
	    (mod_hash_val_t *)&xch) != 0) {
		return (FCOE_SUCCESS);
	}

	xch->xch_flags &= ~XCH_FLAG_IN_HASH_TABLE;
	fcoet_init_tfm(frm, xch);

	ASSERT(FRM_IS_LAST_FRAME(frm));
	actual_size = CMD2ELS(xch->xch_cmd)->els_resp_size;
	if (actual_size > frm->frm_payload_size) {
		actual_size = frm->frm_payload_size;
	}
	ct = CMD2CT(xch->xch_cmd);
	ct->ct_resp_size = (uint16_t)actual_size;

	bcopy(frm->frm_payload,
	    CMD2CT(xch->xch_cmd)->ct_resp_payload, actual_size);

	fc_st = FCT_SUCCESS;
	iof = FCT_IOF_FCA_DONE;
	fct_send_cmd_done(xch->xch_cmd, fc_st, iof);

	return (FCOE_SUCCESS);
}
Beispiel #7
0
int
fcoet_clear_unsol_exchange(fcoet_exchange_t *xch)
{
	mod_hash_val_t val = NULL;

	if (mod_hash_remove(xch->xch_ss->ss_unsol_rxid_hash,
	    (mod_hash_key_t)(intptr_t)xch->xch_rxid, &val) == 0) {
		if (xch->xch_dbuf_num) {
			kmem_free((void*)xch->xch_dbufs,
			    xch->xch_dbuf_num * sizeof (void *));
			xch->xch_dbufs = NULL;
			xch->xch_dbuf_num = 0;
		}
		ASSERT(xch->xch_flags & XCH_FLAG_IN_HASH_TABLE);
		ASSERT((fcoet_exchange_t *)val == xch);
		xch->xch_flags &= ~XCH_FLAG_IN_HASH_TABLE;
		return (FCOE_SUCCESS);
	}

	FCOET_LOG("fcoet_clear_unsol_exchange", "xch %p already cleared from "
	    "hash table", xch);
	return (FCOE_FAILURE);
}
/* ARGSUSED */
int
vnic_dev_delete(datalink_id_t vnic_id, uint32_t flags, cred_t *credp)
{
	vnic_t *vnic = NULL;
	mod_hash_val_t val;
	datalink_id_t tmpid;
	int rc;

	rw_enter(&vnic_lock, RW_WRITER);

	if (mod_hash_find(vnic_hash, VNIC_HASH_KEY(vnic_id),
	    (mod_hash_val_t *)&vnic) != 0) {
		rw_exit(&vnic_lock);
		return (ENOENT);
	}

	if ((rc = dls_devnet_destroy(vnic->vn_mh, &tmpid, B_TRUE)) != 0) {
		rw_exit(&vnic_lock);
		return (rc);
	}

	ASSERT(vnic_id == tmpid);

	/*
	 * We cannot unregister the MAC yet. Unregistering would
	 * free up mac_impl_t which should not happen at this time.
	 * So disable mac_impl_t by calling mac_disable(). This will prevent
	 * any new claims on mac_impl_t.
	 */
	if ((rc = mac_disable(vnic->vn_mh)) != 0) {
		(void) dls_devnet_create(vnic->vn_mh, vnic_id,
		    crgetzoneid(credp));
		rw_exit(&vnic_lock);
		return (rc);
	}

	vnic_cleanup_secondary_macs(vnic, vnic->vn_nhandles);

	vnic->vn_enabled = B_FALSE;
	(void) mod_hash_remove(vnic_hash, VNIC_HASH_KEY(vnic_id), &val);
	ASSERT(vnic == (vnic_t *)val);
	vnic_count--;
	rw_exit(&vnic_lock);

	/*
	 * XXX-nicolas shouldn't have a void cast here, if it's
	 * expected that the function will never fail, then we should
	 * have an ASSERT().
	 */
	(void) mac_unregister(vnic->vn_mh);

	if (vnic->vn_lower_mh != NULL) {
		/*
		 * Check if MAC address for the vnic was obtained from the
		 * factory MAC addresses. If yes, release it.
		 */
		if (vnic->vn_addr_type == VNIC_MAC_ADDR_TYPE_FACTORY) {
			(void) mac_addr_factory_release(vnic->vn_mch,
			    vnic->vn_slot_id);
		}
		(void) mac_margin_remove(vnic->vn_lower_mh, vnic->vn_margin);
		(void) mac_mtu_remove(vnic->vn_lower_mh, vnic->vn_mtu);
		(void) mac_notify_remove(vnic->vn_mnh, B_TRUE);
		(void) mac_unicast_remove(vnic->vn_mch, vnic->vn_muh);
		mac_client_close(vnic->vn_mch, MAC_CLOSE_FLAGS_IS_VNIC);
		mac_close(vnic->vn_lower_mh);
	}

	kmem_cache_free(vnic_cache, vnic);
	return (0);
}
Beispiel #9
0
/*
 * Unregister from the GLDv3 framework
 */
int
mac_unregister(mac_handle_t mh)
{
	int			err;
	mac_impl_t		*mip = (mac_impl_t *)mh;
	mod_hash_val_t		val;
	mac_margin_req_t	*mmr, *nextmmr;

	/* Fail the unregister if there are any open references to this mac. */
	if ((err = mac_disable_nowait(mh)) != 0)
		return (err);

	/*
	 * Clean up notification thread and wait for it to exit.
	 */
	i_mac_notify_exit(mip);

	i_mac_perim_enter(mip);

	/*
	 * There is still resource properties configured over this mac.
	 */
	if (mip->mi_resource_props.mrp_mask != 0)
		mac_fastpath_enable((mac_handle_t)mip);

	if (mip->mi_minor < MAC_MAX_MINOR + 1) {
		ddi_remove_minor_node(mip->mi_dip, mip->mi_name);
		ddi_remove_minor_node(mip->mi_dip,
		    (char *)ddi_driver_name(mip->mi_dip));
	}

	ASSERT(mip->mi_nactiveclients == 0 && !(mip->mi_state_flags &
	    MIS_EXCLUSIVE));

	mac_driver_stat_delete(mip);

	(void) mod_hash_remove(i_mac_impl_hash,
	    (mod_hash_key_t)mip->mi_name, &val);
	ASSERT(mip == (mac_impl_t *)val);

	ASSERT(i_mac_impl_count > 0);
	atomic_dec_32(&i_mac_impl_count);

	if (mip->mi_pdata != NULL)
		kmem_free(mip->mi_pdata, mip->mi_pdata_size);
	mip->mi_pdata = NULL;
	mip->mi_pdata_size = 0;

	/*
	 * Free the list of margin request.
	 */
	for (mmr = mip->mi_mmrp; mmr != NULL; mmr = nextmmr) {
		nextmmr = mmr->mmr_nextp;
		kmem_free(mmr, sizeof (mac_margin_req_t));
	}
	mip->mi_mmrp = NULL;

	mip->mi_linkstate = mip->mi_lowlinkstate = LINK_STATE_UNKNOWN;
	kmem_free(mip->mi_info.mi_unicst_addr, mip->mi_type->mt_addr_length);
	mip->mi_info.mi_unicst_addr = NULL;

	atomic_dec_32(&mip->mi_type->mt_ref);
	mip->mi_type = NULL;

	/*
	 * Free the primary MAC address.
	 */
	mac_fini_macaddr(mip);

	/*
	 * free all rings
	 */
	mac_free_rings(mip, MAC_RING_TYPE_RX);
	mac_free_rings(mip, MAC_RING_TYPE_TX);

	mac_addr_factory_fini(mip);

	bzero(mip->mi_addr, MAXMACADDRLEN);
	bzero(mip->mi_dstaddr, MAXMACADDRLEN);
	mip->mi_dstaddr_set = B_FALSE;

	/* and the flows */
	mac_flow_tab_destroy(mip->mi_flow_tab);
	mip->mi_flow_tab = NULL;

	if (mip->mi_minor > MAC_MAX_MINOR)
		mac_minor_rele(mip->mi_minor);

	cmn_err(CE_NOTE, "!%s unregistered", mip->mi_name);

	/*
	 * Reset the perim related fields to default values before
	 * kmem_cache_free
	 */
	i_mac_perim_exit(mip);
	mip->mi_state_flags = 0;

	mac_unregister_priv_prop(mip);

	ASSERT(mip->mi_bridge_link == NULL);
	kmem_cache_free(i_mac_impl_cachep, mip);

	return (0);
}