1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _VSW_FDB_H 28 #define _VSW_FDB_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 /* 37 * Convert ethernet (mac) address to hash table key. 38 */ 39 #define KEY_HASH(key, addr) \ 40 (key = ((((uint64_t)(addr)->ether_addr_octet[0]) << 40) | \ 41 (((uint64_t)(addr)->ether_addr_octet[1]) << 32) | \ 42 (((uint64_t)(addr)->ether_addr_octet[2]) << 24) | \ 43 (((uint64_t)(addr)->ether_addr_octet[3]) << 16) | \ 44 (((uint64_t)(addr)->ether_addr_octet[4]) << 8) | \ 45 ((uint64_t)(addr)->ether_addr_octet[5]))); 46 47 #define VLAN_ID_KEY(key) ((mod_hash_key_t)(uintptr_t)(key)) 48 49 /* 50 * Multicast forwarding database (mFDB) is a hashtable 51 * keyed off the mac address, with the value being a linked 52 * list of mfdb_ent_t structures, each of which is a destination 53 * (either a vsw_port or the vsw instance itself when plumbed as 54 * a network device) to which the multicast pkt should be forwarded. 55 */ 56 typedef struct mfdb_ent { 57 struct mfdb_ent *nextp; /* next entry in list */ 58 void *d_addr; /* address of dest */ 59 uint8_t d_type; /* destination type */ 60 } mfdb_ent_t; 61 62 /* 63 * Forwarding database entry. Each member port of a vsw will have an entry in 64 * the vsw's fdb. Ref count is bumped up while sending a packet destined to a 65 * port corresponding to the fdb entry. 66 */ 67 typedef struct vsw_fdbe { 68 void *portp; /* pointer to the vnet_port */ 69 uint32_t refcnt; /* reference count */ 70 } vsw_fdbe_t; 71 72 #ifdef __cplusplus 73 } 74 #endif 75 76 #endif /* _VSW_FDB_H */ 77