1*1ae08745Sheppo /* 2*1ae08745Sheppo * CDDL HEADER START 3*1ae08745Sheppo * 4*1ae08745Sheppo * The contents of this file are subject to the terms of the 5*1ae08745Sheppo * Common Development and Distribution License (the "License"). 6*1ae08745Sheppo * You may not use this file except in compliance with the License. 7*1ae08745Sheppo * 8*1ae08745Sheppo * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9*1ae08745Sheppo * or http://www.opensolaris.org/os/licensing. 10*1ae08745Sheppo * See the License for the specific language governing permissions 11*1ae08745Sheppo * and limitations under the License. 12*1ae08745Sheppo * 13*1ae08745Sheppo * When distributing Covered Code, include this CDDL HEADER in each 14*1ae08745Sheppo * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15*1ae08745Sheppo * If applicable, add the following below this CDDL HEADER, with the 16*1ae08745Sheppo * fields enclosed by brackets "[]" replaced with your own identifying 17*1ae08745Sheppo * information: Portions Copyright [yyyy] [name of copyright owner] 18*1ae08745Sheppo * 19*1ae08745Sheppo * CDDL HEADER END 20*1ae08745Sheppo */ 21*1ae08745Sheppo 22*1ae08745Sheppo /* 23*1ae08745Sheppo * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 24*1ae08745Sheppo * Use is subject to license terms. 25*1ae08745Sheppo */ 26*1ae08745Sheppo 27*1ae08745Sheppo #ifndef _VNET_H 28*1ae08745Sheppo #define _VNET_H 29*1ae08745Sheppo 30*1ae08745Sheppo #pragma ident "%Z%%M% %I% %E% SMI" 31*1ae08745Sheppo 32*1ae08745Sheppo #ifdef __cplusplus 33*1ae08745Sheppo extern "C" { 34*1ae08745Sheppo #endif 35*1ae08745Sheppo 36*1ae08745Sheppo #define VNET_SUCCESS (0) /* successful return */ 37*1ae08745Sheppo #define VNET_FAILURE (-1) /* unsuccessful return */ 38*1ae08745Sheppo 39*1ae08745Sheppo #define KMEM_FREE(_p) kmem_free((_p), sizeof (*(_p))) 40*1ae08745Sheppo 41*1ae08745Sheppo #define VNET_NTXDS 512 /* power of 2 tx descriptors */ 42*1ae08745Sheppo #define VNET_RECLAIM_LOWAT 32 /* tx reclaim low watermark */ 43*1ae08745Sheppo #define VNET_RECLAIM_HIWAT (512 - 32) /* tx reclaim high watermark */ 44*1ae08745Sheppo #define VNET_LDCWD_INTERVAL 1000 /* watchdog freq in msec */ 45*1ae08745Sheppo #define VNET_LDCWD_TXTIMEOUT 1000 /* tx timeout in msec */ 46*1ae08745Sheppo #define VNET_LDC_QLEN 1024 /* ldc qlen */ 47*1ae08745Sheppo 48*1ae08745Sheppo /* 49*1ae08745Sheppo * vnet proxy transport layer information. There is one instance of this for 50*1ae08745Sheppo * every transport being used by a vnet device and a list of these transports 51*1ae08745Sheppo * is maintained by vnet. 52*1ae08745Sheppo */ 53*1ae08745Sheppo typedef struct vp_tl { 54*1ae08745Sheppo struct vp_tl *nextp; /* next in list */ 55*1ae08745Sheppo mac_t *macp; /* transport ops */ 56*1ae08745Sheppo char name[LIFNAMSIZ]; /* device name */ 57*1ae08745Sheppo major_t major; /* driver major # */ 58*1ae08745Sheppo uint_t instance; /* dev instance */ 59*1ae08745Sheppo } vp_tl_t; 60*1ae08745Sheppo 61*1ae08745Sheppo /* 62*1ae08745Sheppo * Forwarding database (FDB) entry, used by vnet to provide switching 63*1ae08745Sheppo * functionality. Each fdb entry corresponds to a destination vnet device 64*1ae08745Sheppo * within the ldoms which is directly reachable by invoking a transmit 65*1ae08745Sheppo * function provided by a vnet proxy transport layer. Currently, the generic 66*1ae08745Sheppo * transport layer adds/removes/modifies entries in fdb. 67*1ae08745Sheppo */ 68*1ae08745Sheppo typedef struct fdb { 69*1ae08745Sheppo struct fdb *nextp; /* next entry in the list */ 70*1ae08745Sheppo uint8_t macaddr[ETHERADDRL]; /* destination mac address */ 71*1ae08745Sheppo mac_tx_t m_tx; /* transmit function */ 72*1ae08745Sheppo void *txarg; /* arg to the transmit func */ 73*1ae08745Sheppo } fdb_t; 74*1ae08745Sheppo 75*1ae08745Sheppo /* FDB hash queue head */ 76*1ae08745Sheppo typedef struct fdbf_s { 77*1ae08745Sheppo fdb_t *headp; /* head of fdb entries */ 78*1ae08745Sheppo krwlock_t rwlock; /* protect the list */ 79*1ae08745Sheppo } fdb_fanout_t; 80*1ae08745Sheppo 81*1ae08745Sheppo #define VNET_NFDB_HASH 4 /* default number of hash queues in fdb */ 82*1ae08745Sheppo #define VNET_NFDB_HASH_MAX 32 /* max number of hash queues in fdb */ 83*1ae08745Sheppo 84*1ae08745Sheppo /* Hash calculation using the mac address */ 85*1ae08745Sheppo #define MACHASH(a, n) ((*(((uchar_t *)(a)) + 0) ^ \ 86*1ae08745Sheppo *(((uchar_t *)(a)) + 1) ^ \ 87*1ae08745Sheppo *(((uchar_t *)(a)) + 2) ^ \ 88*1ae08745Sheppo *(((uchar_t *)(a)) + 3) ^ \ 89*1ae08745Sheppo *(((uchar_t *)(a)) + 4) ^ \ 90*1ae08745Sheppo *(((uchar_t *)(a)) + 5)) % (uint32_t)n) 91*1ae08745Sheppo 92*1ae08745Sheppo /* rwlock macros */ 93*1ae08745Sheppo #define READ_ENTER(x) rw_enter(x, RW_READER) 94*1ae08745Sheppo #define WRITE_ENTER(x) rw_enter(x, RW_WRITER) 95*1ae08745Sheppo #define RW_EXIT(x) rw_exit(x) 96*1ae08745Sheppo 97*1ae08745Sheppo /* 98*1ae08745Sheppo * vnet instance state information 99*1ae08745Sheppo */ 100*1ae08745Sheppo typedef struct vnet { 101*1ae08745Sheppo int instance; /* instance # */ 102*1ae08745Sheppo dev_info_t *dip; /* dev_info */ 103*1ae08745Sheppo struct vnet *nextp; /* next in list */ 104*1ae08745Sheppo mac_t *macp; /* MAC - macinfo */ 105*1ae08745Sheppo uchar_t vendor_addr[ETHERADDRL]; /* orig macadr */ 106*1ae08745Sheppo uchar_t curr_macaddr[ETHERADDRL]; /* current macadr */ 107*1ae08745Sheppo vp_tl_t *tlp; /* list of vp_tl */ 108*1ae08745Sheppo krwlock_t trwlock; /* lock for vp_tl list */ 109*1ae08745Sheppo char vgen_name[MAXNAMELEN]; /* name of generic tl */ 110*1ae08745Sheppo fdb_fanout_t *fdbhp; /* fdb hash queues */ 111*1ae08745Sheppo int nfdb_hash; /* num fdb hash queues */ 112*1ae08745Sheppo } vnet_t; 113*1ae08745Sheppo 114*1ae08745Sheppo #ifdef __cplusplus 115*1ae08745Sheppo } 116*1ae08745Sheppo #endif 117*1ae08745Sheppo 118*1ae08745Sheppo #endif /* _VNET_H */ 119