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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _VSW_FDB_H
#define _VSW_FDB_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
/*
* Convert ethernet (mac) address to hash table key.
*/
#define KEY_HASH(key, addr) \
(key = ((((uint64_t)(addr)->ether_addr_octet[0]) << 40) | \
(((uint64_t)(addr)->ether_addr_octet[1]) << 32) | \
(((uint64_t)(addr)->ether_addr_octet[2]) << 24) | \
(((uint64_t)(addr)->ether_addr_octet[3]) << 16) | \
(((uint64_t)(addr)->ether_addr_octet[4]) << 8) | \
((uint64_t)(addr)->ether_addr_octet[5])));
#define VLAN_ID_KEY(key) ((mod_hash_key_t)(uintptr_t)(key))
/*
* Multicast forwarding database (mFDB) is a hashtable
* keyed off the mac address, with the value being a linked
* list of mfdb_ent_t structures, each of which is a destination
* (either a vsw_port or the vsw instance itself when plumbed as
* a network device) to which the multicast pkt should be forwarded.
*/
typedef struct mfdb_ent {
struct mfdb_ent *nextp; /* next entry in list */
void *d_addr; /* address of dest */
uint8_t d_type; /* destination type */
} mfdb_ent_t;
/*
* Forwarding database entry. Each member port of a vsw will have an entry in
* the vsw's fdb. Ref count is bumped up while sending a packet destined to a
* port corresponding to the fdb entry.
*/
typedef struct vsw_fdbe {
void *portp; /* pointer to the vnet_port */
uint32_t refcnt; /* reference count */
} vsw_fdbe_t;
#ifdef __cplusplus
}
#endif
#endif /* _VSW_FDB_H */
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