include/net/bridge.h

   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 2009 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #ifndef _NET_BRIDGE_H
  28 #define _NET_BRIDGE_H
  29
  30 /*
  31  * Private communication interface between bridging related daemons and kernel
  32  * layer-two (Ethernet) bridging module.
  33  */
  34
  35 #include <sys/param.h>
  36 #include <sys/dld.h>
  37 #include <sys/ethernet.h>
  38
  39 #ifdef __cplusplus
  40 extern "C" {
  41 #endif
  42
  43 /* Specified by IEEE 802.1d */
  44 #define BRIDGE_GROUP_ADDRESS    { 0x01, 0x80, 0xC2, 0, 0, 0 }
  45
  46 /* The constant below is "BRG" in hex. */
  47 #define _BRIOC(n)       (0x42524700 + (n))
  48
  49 #define BRIOC_NEWBRIDGE _BRIOC(1)       /* Create bridge; bridge_newbridge_t */
  50 #define BRIOC_ADDLINK   _BRIOC(2)       /* Add link to bridge; linkid+name */
  51 #define BRIOC_REMLINK   _BRIOC(3)       /* Remove link from bridge; linkid */
  52 #define BRIOC_SETSTATE  _BRIOC(4)       /* bridge_setstate_t */
  53 #define BRIOC_SETPVID   _BRIOC(5)       /* bridge_setpvid_t */
  54 #define BRIOC_VLANENAB  _BRIOC(6)       /* bridge_vlanenab_t */
  55 #define BRIOC_FLUSHFWD  _BRIOC(7)       /* bridge_flushfwd_t */
  56 #define BRIOC_LISTFWD   _BRIOC(8)       /* bridge_listfwd_t */
  57 #define BRIOC_TABLEMAX  _BRIOC(8)       /* uint32_t */
  58
  59 #define BRIDGE_CTL      "bridgectl"
  60 #define BRIDGE_CTLPATH  "/dev/" BRIDGE_CTL
  61
  62 typedef struct bridge_newbridge_s {
  63         datalink_id_t   bnb_linkid;             /* bridge link ID */
  64         char            bnb_name[MAXNAMELEN];   /* bridge name */
  65 } bridge_newbridge_t;
  66
  67 typedef enum bridge_state_e {
  68         BLS_BLOCKLISTEN,                /* blocking or listening state */
  69         BLS_LEARNING,                   /* learning state */
  70         BLS_FORWARDING                  /* forwarding state */
  71 } bridge_state_t;
  72
  73 typedef struct bridge_setstate_s {
  74         datalink_id_t   bss_linkid;
  75         bridge_state_t  bss_state;
  76 } bridge_setstate_t;
  77
  78 typedef struct bridge_setpvid_s {
  79         datalink_id_t   bsv_linkid;
  80         uint_t          bsv_vlan;
  81 } bridge_setpvid_t;
  82
  83 typedef struct bridge_vlanenab_s {
  84         datalink_id_t   bve_linkid;
  85         uint_t          bve_vlan;
  86         boolean_t       bve_onoff;
  87 } bridge_vlanenab_t;
  88
  89 typedef struct bridge_flushfwd_s {
  90         datalink_id_t   bff_linkid;
  91         boolean_t       bff_exclude;
  92 } bridge_flushfwd_t;
  93
  94 typedef struct bridge_listfwd_s {
  95         char            blf_name[MAXNAMELEN];   /* bridge name */
  96         ether_addr_t    blf_dest;
  97         uint16_t        blf_trill_nick;
  98         uint_t          blf_ms_age;
  99         boolean_t       blf_is_local;
 100         datalink_id_t   blf_linkid;
 101 } bridge_listfwd_t;
 102
 103 /* Upward control messages */
 104 typedef struct bridge_ctl_s {
 105         datalink_id_t   bc_linkid;
 106         boolean_t       bc_failed;      /* Max SDU mismatch */
 107 } bridge_ctl_t;
 108
 109 /* GLDv3 control ioctls used by Bridging */
 110 #define BRIDGE_IOC_LISTFWD      BRIDGEIOC(1)
 111
 112 #ifdef __cplusplus
 113 }
 114 #endif
 115
 116 #endif /* _NET_BRIDGE_H */