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, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _SYS_AGGR_IMPL_H 28 #define _SYS_AGGR_IMPL_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #include <sys/types.h> 33 #include <sys/mac.h> 34 #include <sys/aggr_lacp.h> 35 36 #ifdef __cplusplus 37 extern "C" { 38 #endif 39 40 #ifdef _KERNEL 41 42 #define AGGR_MINOR_CTL 1 /* control interface minor */ 43 44 /* flags for aggr_grp_modify() */ 45 #define AGGR_MODIFY_POLICY 0x01 46 #define AGGR_MODIFY_MAC 0x02 47 #define AGGR_MODIFY_LACP_MODE 0x04 48 #define AGGR_MODIFY_LACP_TIMER 0x08 49 50 /* 51 * A link aggregation MAC port. 52 * Note that lp_next is protected by the lg_lock of the group the 53 * port is part of. 54 */ 55 typedef struct aggr_port_s { 56 struct aggr_port_s *lp_next; 57 struct aggr_grp_s *lp_grp; /* back ptr to group */ 58 char lp_devname[MAXNAMELEN + 1]; 59 uint8_t lp_addr[ETHERADDRL]; /* port MAC address */ 60 uint32_t lp_refs; /* refcount */ 61 aggr_port_state_t lp_state; 62 uint32_t lp_started : 1, 63 lp_tx_enabled : 1, 64 lp_collector_enabled : 1, 65 lp_promisc_on : 1, 66 lp_closing : 1, 67 /* 68 * Indicates whether it is in the process of setting 69 * MAC address to the aggregation group MAC 70 */ 71 lp_set_grpmac : 1, 72 lp_pad_bits : 26; 73 uint_t lp_port; 74 mac_handle_t lp_mh; 75 const mac_info_t *lp_mip; 76 mac_notify_handle_t lp_mnh; 77 mac_rx_handle_t lp_mrh; 78 krwlock_t lp_lock; 79 uint_t lp_tx_idx; /* idx in group's tx array */ 80 uint64_t lp_ifspeed; 81 link_state_t lp_link_state; 82 link_duplex_t lp_link_duplex; 83 uint64_t lp_stat[MAC_NSTAT]; 84 aggr_lacp_port_t lp_lacp; /* LACP state */ 85 lacp_stats_t lp_lacp_stats; 86 const mac_txinfo_t *lp_txinfo; 87 } aggr_port_t; 88 89 /* 90 * A link aggregation group. 91 * 92 * The following per-group flags are defined: 93 * 94 * - lg_addr_fixed: set when the MAC address has been explicitely set 95 * when the group was created, or by a m_unicst_set() request. 96 * If this flag is not set, the MAC address of the group will be 97 * set to the first port that is added to the group. 98 * 99 * - lg_add_set: used only when lg_addr_fixed is not set. Captures whether 100 * the MAC address was initialized according to the members of the group. 101 * When set, the lg_port field points to the port from which the 102 * MAC address was initialized. 103 * 104 */ 105 typedef struct aggr_grp_s { 106 krwlock_t lg_lock; 107 uint16_t lg_key; /* key (group port number) */ 108 uint32_t lg_refs; /* refcount */ 109 uint16_t lg_nports; /* number of MAC ports */ 110 uint8_t lg_addr[ETHERADDRL]; /* group MAC address */ 111 uint16_t 112 lg_addr_fixed : 1, /* fixed MAC address? */ 113 lg_started : 1, /* group started? */ 114 lg_promisc : 1, /* in promiscuous mode? */ 115 lg_closing : 1, 116 lg_pad_bits : 12; 117 aggr_port_t *lg_ports; /* list of configured ports */ 118 aggr_port_t *lg_mac_addr_port; 119 mac_t lg_mac; 120 uint_t lg_rx_resources; 121 uint_t lg_nattached_ports; 122 uint_t lg_ntx_ports; 123 aggr_port_t **lg_tx_ports; /* array of tx ports */ 124 uint_t lg_tx_ports_size; /* size of lg_tx_ports */ 125 uint32_t lg_tx_policy; /* outbound policy */ 126 uint64_t lg_ifspeed; 127 link_state_t lg_link_state; 128 link_duplex_t lg_link_duplex; 129 uint64_t lg_stat[MAC_NSTAT]; 130 aggr_lacp_mode_t lg_lacp_mode; /* off, active, or passive */ 131 Agg_t aggr; /* 802.3ad data */ 132 } aggr_grp_t; 133 134 #define AGGR_LACP_LOCK(grp) mutex_enter(&(grp)->aggr.gl_lock); 135 #define AGGR_LACP_UNLOCK(grp) mutex_exit(&(grp)->aggr.gl_lock); 136 #define AGGR_LACP_LOCK_HELD(grp) MUTEX_HELD(&(grp)->aggr.gl_lock) 137 138 #define AGGR_GRP_REFHOLD(grp) { \ 139 atomic_add_32(&(grp)->lg_refs, 1); \ 140 ASSERT((grp)->lg_refs != 0); \ 141 } 142 143 #define AGGR_GRP_REFRELE(grp) { \ 144 ASSERT((grp)->lg_refs != 0); \ 145 membar_exit(); \ 146 if (atomic_add_32_nv(&(grp)->lg_refs, -1) == 0) \ 147 aggr_grp_free(grp); \ 148 } 149 150 #define AGGR_PORT_REFHOLD(port) { \ 151 atomic_add_32(&(port)->lp_refs, 1); \ 152 ASSERT((port)->lp_refs != 0); \ 153 } 154 155 #define AGGR_PORT_REFRELE(port) { \ 156 ASSERT((port)->lp_refs != 0); \ 157 membar_exit(); \ 158 if (atomic_add_32_nv(&(port)->lp_refs, -1) == 0) \ 159 aggr_port_free(port); \ 160 } 161 162 extern dev_info_t *aggr_dip; 163 extern void aggr_ioctl(queue_t *, mblk_t *); 164 165 typedef int (*aggr_grp_info_new_grp_fn_t)(void *, uint32_t, uchar_t *, 166 boolean_t, uint32_t, uint32_t, aggr_lacp_mode_t, aggr_lacp_timer_t); 167 typedef int (*aggr_grp_info_new_port_fn_t)(void *, char *, uint32_t, 168 uchar_t *, aggr_port_state_t, aggr_lacp_state_t *); 169 typedef void (*aggr_grp_walker_fn_t)(aggr_grp_t *, void *); 170 171 extern void aggr_grp_init(void); 172 extern int aggr_grp_fini(void); 173 extern int aggr_grp_create(uint32_t, uint_t, laioc_port_t *, uint32_t, 174 boolean_t, uchar_t *, aggr_lacp_mode_t, aggr_lacp_timer_t); 175 extern int aggr_grp_delete(uint32_t); 176 extern void aggr_grp_free(aggr_grp_t *); 177 178 extern int aggr_grp_info(uint_t *, uint32_t, void *, 179 aggr_grp_info_new_grp_fn_t, aggr_grp_info_new_port_fn_t); 180 extern void aggr_grp_notify(aggr_grp_t *, uint32_t); 181 extern boolean_t aggr_grp_attach_port(aggr_grp_t *, aggr_port_t *); 182 extern boolean_t aggr_grp_detach_port(aggr_grp_t *, aggr_port_t *); 183 extern boolean_t aggr_grp_port_mac_changed(aggr_grp_t *, aggr_port_t *); 184 extern int aggr_grp_add_ports(uint32_t, uint_t, laioc_port_t *); 185 extern int aggr_grp_rem_ports(uint32_t, uint_t, laioc_port_t *); 186 extern void aggr_grp_update_ports_mac(aggr_grp_t *); 187 extern int aggr_grp_modify(uint32_t, aggr_grp_t *, uint8_t, uint32_t, 188 boolean_t, const uchar_t *, aggr_lacp_mode_t, aggr_lacp_timer_t); 189 extern void aggr_grp_multicst_port(aggr_port_t *, boolean_t); 190 extern void aggr_grp_walk(aggr_grp_walker_fn_t, void *); 191 extern uint_t aggr_grp_count(void); 192 193 extern void aggr_port_init(void); 194 extern int aggr_port_fini(void); 195 extern int aggr_port_create(const char *, uint_t, aggr_port_t **); 196 extern void aggr_port_delete(aggr_port_t *); 197 extern void aggr_port_free(aggr_port_t *); 198 extern int aggr_port_start(aggr_port_t *); 199 extern void aggr_port_stop(aggr_port_t *); 200 extern int aggr_port_promisc(aggr_port_t *, boolean_t); 201 extern int aggr_port_unicst(aggr_port_t *, uint8_t *); 202 extern int aggr_port_multicst(void *, boolean_t, const uint8_t *); 203 extern uint64_t aggr_port_stat(aggr_port_t *, enum mac_stat); 204 205 extern void aggr_recv_cb(void *, mac_resource_handle_t, mblk_t *); 206 207 extern mblk_t *aggr_m_tx(void *, mblk_t *); 208 extern void aggr_send_port_enable(aggr_port_t *); 209 extern void aggr_send_port_disable(aggr_port_t *); 210 extern void aggr_send_update_policy(aggr_grp_t *, uint32_t); 211 212 extern void aggr_lacp_init_port(aggr_port_t *); 213 extern void aggr_lacp_init_grp(aggr_grp_t *); 214 extern void aggr_lacp_set_mode(aggr_grp_t *, aggr_lacp_mode_t, 215 aggr_lacp_timer_t); 216 extern void aggr_lacp_update_mode(aggr_grp_t *, aggr_lacp_mode_t); 217 extern void aggr_lacp_update_timer(aggr_grp_t *, aggr_lacp_timer_t); 218 extern void aggr_lacp_rx(aggr_port_t *, mblk_t *); 219 extern void aggr_lacp_port_attached(aggr_port_t *); 220 extern void aggr_lacp_port_detached(aggr_port_t *); 221 extern void aggr_lacp_policy_changed(aggr_grp_t *); 222 223 #endif /* _KERNEL */ 224 225 #ifdef __cplusplus 226 } 227 #endif 228 229 #endif /* _SYS_AGGR_IMPL_H */ 230