usr/src/uts/common/sys/aggr.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  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25
  26 #ifndef _SYS_AGGR_H
  27 #define _SYS_AGGR_H
  28
  29 #include <sys/types.h>
  30 #include <sys/ethernet.h>
  31 #include <sys/param.h>
  32 #include <sys/mac.h>
  33 #include <sys/dld_ioc.h>
  34
  35 #ifdef  __cplusplus
  36 extern "C" {
  37 #endif
  38
  39 /*
  40  * Note that the data structures defined here define an ioctl interface
  41  * that is shared betwen user and kernel space.  The aggr driver thus
  42  * assumes that the structures have identical layout and size when
  43  * compiled in either IPL32 or LP64.
  44  */
  45
  46 /*
  47  * Transmit load balancing policies.
  48  */
  49
  50 #define AGGR_POLICY_L2          0x01
  51 #define AGGR_POLICY_L3          0x02
  52 #define AGGR_POLICY_L4          0x04
  53
  54 /*
  55  * LACP mode and timer.
  56  */
  57
  58 typedef enum {
  59         AGGR_LACP_OFF           = 0,
  60         AGGR_LACP_ACTIVE        = 1,
  61         AGGR_LACP_PASSIVE       = 2
  62 } aggr_lacp_mode_t;
  63
  64 typedef enum {
  65         AGGR_LACP_TIMER_LONG    = 0,
  66         AGGR_LACP_TIMER_SHORT   = 1
  67 } aggr_lacp_timer_t;
  68
  69 /*
  70  * MAC port state.
  71  */
  72 typedef enum {
  73         AGGR_PORT_STATE_STANDBY = 1,
  74         AGGR_PORT_STATE_ATTACHED = 2
  75 } aggr_port_state_t;
  76
  77 /* Maximum number of ports per aggregation. */
  78 #define AGGR_MAX_PORTS  256
  79
  80 /*
  81  * The largest configurable aggregation key.  Because by default the key is
  82  * used as the DLPI device PPA and default VLAN PPA's are calculated as
  83  * ((1000 * vid) + PPA), the largest key can't be > 999.
  84  */
  85 #define AGGR_MAX_KEY    999
  86
  87 /*
  88  * LACP port state.
  89  */
  90 typedef union {
  91         struct {
  92 #if defined(_BIT_FIELDS_HTOL)
  93                 uint8_t expired:        1;
  94                 uint8_t defaulted:      1;
  95                 uint8_t distributing:   1;
  96                 uint8_t collecting:     1;
  97                 uint8_t sync:   1;
  98                 uint8_t aggregation:    1;
  99                 uint8_t timeout:        1;
 100                 uint8_t activity:       1;
 101 #elif defined(_BIT_FIELDS_LTOH)
 102                 uint8_t activity:       1;
 103                 uint8_t timeout:        1;
 104                 uint8_t aggregation:    1;
 105                 uint8_t sync:   1;
 106                 uint8_t collecting:     1;
 107                 uint8_t distributing:   1;
 108                 uint8_t defaulted:      1;
 109                 uint8_t expired:        1;
 110 #else
 111 #error "unknown bit fields ordering"
 112 #endif
 113         } bit;
 114         uint8_t state;
 115 } aggr_lacp_state_t;
 116
 117 /* one of the ports of a link aggregation group */
 118 typedef struct laioc_port {
 119         datalink_id_t   lp_linkid;
 120 } laioc_port_t;
 121
 122 #define LAIOC_CREATE            AGGRIOC(1)
 123
 124 typedef struct laioc_create {
 125         datalink_id_t   lc_linkid;
 126         uint32_t        lc_key;
 127         uint32_t        lc_nports;
 128         uint32_t        lc_policy;
 129         uchar_t         lc_mac[ETHERADDRL];
 130         aggr_lacp_mode_t lc_lacp_mode;
 131         aggr_lacp_timer_t lc_lacp_timer;
 132         uint32_t        lc_mac_fixed : 1,
 133                         lc_force : 1,
 134                         lc_pad_bits : 30;
 135 } laioc_create_t;
 136
 137 #define LAIOC_DELETE            AGGRIOC(2)
 138
 139 typedef struct laioc_delete {
 140         datalink_id_t   ld_linkid;
 141 } laioc_delete_t;
 142
 143 #define LAIOC_INFO              AGGRIOC(3)
 144
 145 typedef enum aggr_link_duplex {
 146         AGGR_LINK_DUPLEX_FULL = 1,
 147         AGGR_LINK_DUPLEX_HALF = 2,
 148         AGGR_LINK_DUPLEX_UNKNOWN = 3
 149 } aggr_link_duplex_t;
 150
 151 typedef enum aggr_link_state {
 152         AGGR_LINK_STATE_UP = 1,
 153         AGGR_LINK_STATE_DOWN = 2,
 154         AGGR_LINK_STATE_UNKNOWN = 3
 155 } aggr_link_state_t;
 156
 157 typedef struct laioc_info_port {
 158         datalink_id_t   lp_linkid;
 159         uchar_t         lp_mac[ETHERADDRL];
 160         aggr_port_state_t lp_state;
 161         aggr_lacp_state_t lp_lacp_state;
 162 } laioc_info_port_t;
 163
 164 typedef struct laioc_info_group {
 165         datalink_id_t   lg_linkid;
 166         uint32_t        lg_key;
 167         uchar_t         lg_mac[ETHERADDRL];
 168         boolean_t       lg_mac_fixed;
 169         boolean_t       lg_force;
 170         uint32_t        lg_policy;
 171         uint32_t        lg_nports;
 172         aggr_lacp_mode_t lg_lacp_mode;
 173         aggr_lacp_timer_t lg_lacp_timer;
 174 } laioc_info_group_t;
 175
 176 typedef struct laioc_info {
 177         /* Must not be DLADM_INVALID_LINKID */
 178         datalink_id_t   li_group_linkid;
 179         uint32_t        li_bufsize;
 180 } laioc_info_t;
 181
 182 #define LAIOC_ADD               AGGRIOC(4)
 183 #define LAIOC_REMOVE            AGGRIOC(5)
 184
 185 typedef struct laioc_add_rem {
 186         datalink_id_t   la_linkid;
 187         uint32_t        la_nports;
 188         uint32_t        la_force;
 189 } laioc_add_rem_t;
 190
 191 #define LAIOC_MODIFY                    AGGRIOC(6)
 192
 193 #define LAIOC_MODIFY_POLICY             0x01
 194 #define LAIOC_MODIFY_MAC                0x02
 195 #define LAIOC_MODIFY_LACP_MODE          0x04
 196 #define LAIOC_MODIFY_LACP_TIMER         0x08
 197
 198 typedef struct laioc_modify {
 199         datalink_id_t   lu_linkid;
 200         uint8_t         lu_modify_mask;
 201         uint32_t        lu_policy;
 202         uchar_t         lu_mac[ETHERADDRL];
 203         boolean_t       lu_mac_fixed;
 204         aggr_lacp_mode_t lu_lacp_mode;
 205         aggr_lacp_timer_t lu_lacp_timer;
 206 } laioc_modify_t;
 207
 208 #ifdef  __cplusplus
 209 }
 210 #endif
 211
 212 #endif  /* _SYS_AGGR_H */