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      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 2007 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 #pragma ident	"@(#)aggr.h	1.5	07/06/29 SMI"
     30 
     31 #include <sys/types.h>
     32 #include <sys/ethernet.h>
     33 #include <sys/param.h>
     34 #include <sys/dld_ioc.h>
     35 
     36 #ifdef	__cplusplus
     37 extern "C" {
     38 #endif
     39 
     40 /*
     41  * Transmit load balancing policies.
     42  */
     43 
     44 #define	AGGR_POLICY_L2		0x01
     45 #define	AGGR_POLICY_L3		0x02
     46 #define	AGGR_POLICY_L4		0x04
     47 
     48 /*
     49  * LACP mode and timer.
     50  */
     51 
     52 typedef enum {
     53 	AGGR_LACP_OFF		= 0,
     54 	AGGR_LACP_ACTIVE	= 1,
     55 	AGGR_LACP_PASSIVE	= 2
     56 } aggr_lacp_mode_t;
     57 
     58 typedef enum {
     59 	AGGR_LACP_TIMER_LONG	= 0,
     60 	AGGR_LACP_TIMER_SHORT	= 1
     61 } aggr_lacp_timer_t;
     62 
     63 /*
     64  * MAC port state.
     65  */
     66 typedef enum {
     67 	AGGR_PORT_STATE_STANDBY = 1,
     68 	AGGR_PORT_STATE_ATTACHED = 2
     69 } aggr_port_state_t;
     70 
     71 /* Maximum number of ports per aggregation. */
     72 #define	AGGR_MAX_PORTS	256
     73 
     74 /*
     75  * LACP port state.
     76  */
     77 typedef union {
     78 	struct {
     79 #if defined(_BIT_FIELDS_HTOL)
     80 		uint8_t expired:	1;
     81 		uint8_t defaulted:	1;
     82 		uint8_t distributing:	1;
     83 		uint8_t collecting:	1;
     84 		uint8_t sync:	1;
     85 		uint8_t aggregation:	1;
     86 		uint8_t timeout:	1;
     87 		uint8_t	activity:	1;
     88 #elif defined(_BIT_FIELDS_LTOH)
     89 		uint8_t	activity:	1;
     90 		uint8_t timeout:	1;
     91 		uint8_t aggregation:	1;
     92 		uint8_t sync:	1;
     93 		uint8_t collecting:	1;
     94 		uint8_t distributing:	1;
     95 		uint8_t defaulted:	1;
     96 		uint8_t expired:	1;
     97 #else
     98 #error "unknown bit fields ordering"
     99 #endif
    100 	} bit;
    101 	uint8_t state;
    102 } aggr_lacp_state_t;
    103 
    104 /* one of the ports of a link aggregation group */
    105 typedef struct laioc_port {
    106 	char		lp_devname[MAXNAMELEN + 1];
    107 } laioc_port_t;
    108 
    109 #define	LAIOC_CREATE		AGGRIOC(1)
    110 
    111 typedef struct laioc_create {
    112 	uint32_t	lc_key;
    113 	uint32_t	lc_nports;
    114 	uint32_t	lc_policy;
    115 	uchar_t		lc_mac[ETHERADDRL];
    116 	boolean_t	lc_mac_fixed;
    117 	aggr_lacp_mode_t lc_lacp_mode;
    118 	aggr_lacp_timer_t lc_lacp_timer;
    119 } laioc_create_t;
    120 
    121 #define	LAIOC_DELETE		AGGRIOC(2)
    122 
    123 typedef struct laioc_delete {
    124 	uint32_t	ld_key;
    125 } laioc_delete_t;
    126 
    127 #define	LAIOC_INFO		AGGRIOC(3)
    128 
    129 typedef enum aggr_link_duplex {
    130 	AGGR_LINK_DUPLEX_FULL = 1,
    131 	AGGR_LINK_DUPLEX_HALF = 2,
    132 	AGGR_LINK_DUPLEX_UNKNOWN = 3
    133 } aggr_link_duplex_t;
    134 
    135 typedef enum aggr_link_state {
    136 	AGGR_LINK_STATE_UP = 1,
    137 	AGGR_LINK_STATE_DOWN = 2,
    138 	AGGR_LINK_STATE_UNKNOWN = 3
    139 } aggr_link_state_t;
    140 
    141 typedef struct laioc_info_port {
    142 	char		lp_devname[MAXNAMELEN + 1];
    143 	uchar_t		lp_mac[ETHERADDRL];
    144 	aggr_port_state_t lp_state;
    145 	aggr_lacp_state_t lp_lacp_state;
    146 } laioc_info_port_t;
    147 
    148 typedef struct laioc_info_group {
    149 	uint32_t	lg_key;
    150 	uchar_t		lg_mac[ETHERADDRL];
    151 	boolean_t	lg_mac_fixed;
    152 	uint32_t	lg_policy;
    153 	uint32_t	lg_nports;
    154 	aggr_lacp_mode_t lg_lacp_mode;
    155 	aggr_lacp_timer_t lg_lacp_timer;
    156 } laioc_info_group_t;
    157 
    158 typedef struct laioc_info {
    159 	uint32_t	li_ngroups;
    160 	uint32_t	li_group_key;	/* 0 returns all */
    161 	uint32_t	li_bufsize;
    162 } laioc_info_t;
    163 
    164 #define	LAIOC_ADD		AGGRIOC(4)
    165 #define	LAIOC_REMOVE		AGGRIOC(5)
    166 
    167 typedef struct laioc_add_rem {
    168 	uint32_t	la_key;
    169 	uint32_t	la_nports;
    170 } laioc_add_rem_t;
    171 
    172 #define	LAIOC_MODIFY			AGGRIOC(6)
    173 
    174 #define	LAIOC_MODIFY_POLICY		0x01
    175 #define	LAIOC_MODIFY_MAC		0x02
    176 #define	LAIOC_MODIFY_LACP_MODE		0x04
    177 #define	LAIOC_MODIFY_LACP_TIMER		0x08
    178 
    179 typedef struct laioc_modify {
    180 	uint32_t	lu_key;
    181 	uint8_t		lu_modify_mask;
    182 	uint32_t	lu_policy;
    183 	uchar_t		lu_mac[ETHERADDRL];
    184 	boolean_t	lu_mac_fixed;
    185 	aggr_lacp_mode_t lu_lacp_mode;
    186 	aggr_lacp_timer_t lu_lacp_timer;
    187 } laioc_modify_t;
    188 
    189 #ifdef	__cplusplus
    190 }
    191 #endif
    192 
    193 #endif	/* _SYS_AGGR_H */
    194