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 2006 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _SYS_AGGR_IMPL_H 27 #define _SYS_AGGR_IMPL_H 28 29 #pragma ident "%Z%%M% %I% %E% SMI" 30 31 #include <sys/types.h> 32 #include <sys/mac.h> 33 #include <sys/aggr_lacp.h> 34 35 #ifdef __cplusplus 36 extern "C" { 37 #endif 38 39 #ifdef _KERNEL 40 41 #define AGGR_MINOR_CTL 1 /* control interface minor */ 42 43 /* flags for aggr_grp_modify() */ 44 #define AGGR_MODIFY_POLICY 0x01 45 #define AGGR_MODIFY_MAC 0x02 46 #define AGGR_MODIFY_LACP_MODE 0x04 47 #define AGGR_MODIFY_LACP_TIMER 0x08 48 49 /* 50 * A link aggregation MAC port. 51 * Note that lp_next is protected by the lg_lock of the group the 52 * port is part of. 53 */ 54 typedef struct aggr_port_s { 55 struct aggr_port_s *lp_next; 56 struct aggr_grp_s *lp_grp; /* back ptr to group */ 57 char lp_devname[MAXNAMELEN + 1]; 58 uint8_t lp_addr[ETHERADDRL]; /* port MAC address */ 59 uint32_t lp_refs; /* refcount */ 60 aggr_port_state_t lp_state; 61 uint32_t lp_started : 1, 62 lp_tx_enabled : 1, 63 lp_collector_enabled : 1, 64 lp_promisc_on : 1, 65 lp_closing : 1, 66 /* 67 * Indicates whether it is in the process of setting 68 * MAC address to the aggregation group MAC 69 */ 70 lp_set_grpmac : 1, 71 lp_pad_bits : 26; 72 uint_t lp_port; 73 mac_handle_t lp_mh; 74 const mac_info_t *lp_mip; 75 mac_notify_handle_t lp_mnh; 76 mac_rx_handle_t lp_mrh; 77 krwlock_t lp_lock; 78 uint_t lp_tx_idx; /* idx in group's tx array */ 79 uint64_t lp_ifspeed; 80 link_state_t lp_link_state; 81 link_duplex_t lp_link_duplex; 82 uint64_t lp_stat[MAC_NSTAT]; 83 aggr_lacp_port_t lp_lacp; /* LACP state */ 84 lacp_stats_t lp_lacp_stats; 85 const mac_txinfo_t *lp_txinfo; 86 } aggr_port_t; 87 88 /* 89 * A link aggregation group. 90 * 91 * The following per-group flags are defined: 92 * 93 * - lg_addr_fixed: set when the MAC address has been explicitely set 94 * when the group was created, or by a m_unicst_set() request. 95 * If this flag is not set, the MAC address of the group will be 96 * set to the first port that is added to the group. 97 * 98 * - lg_add_set: used only when lg_addr_fixed is not set. Captures whether 99 * the MAC address was initialized according to the members of the group. 100 * When set, the lg_port field points to the port from which the 101 * MAC address was initialized. 102 * 103 */ 104 typedef struct aggr_grp_s { 105 krwlock_t lg_lock; 106 uint16_t lg_key; /* key (group port number) */ 107 uint32_t lg_refs; /* refcount */ 108 uint16_t lg_nports; /* number of MAC ports */ 109 uint8_t lg_addr[ETHERADDRL]; /* group MAC address */ 110 uint16_t 111 lg_addr_fixed : 1, /* fixed MAC address? */ 112 lg_started : 1, /* group started? */ 113 lg_promisc : 1, /* in promiscuous mode? */ 114 lg_closing : 1, 115 lg_pad_bits : 12; 116 aggr_port_t *lg_ports; /* list of configured ports */ 117 aggr_port_t *lg_mac_addr_port; 118 mac_t lg_mac; 119 uint_t lg_rx_resources; 120 uint_t lg_nattached_ports; 121 uint_t lg_ntx_ports; 122 aggr_port_t **lg_tx_ports; /* array of tx ports */ 123 uint_t lg_tx_ports_size; /* size of lg_tx_ports */ 124 uint32_t lg_tx_policy; /* outbound policy */ 125 uint64_t lg_ifspeed; 126 link_state_t lg_link_state; 127 link_duplex_t lg_link_duplex; 128 uint64_t lg_stat[MAC_NSTAT]; 129 aggr_lacp_mode_t lg_lacp_mode; /* off, active, or passive */ 130 Agg_t aggr; /* 802.3ad data */ 131 } aggr_grp_t; 132 133 #define AGGR_LACP_LOCK(grp) mutex_enter(&(grp)->aggr.gl_lock); 134 #define AGGR_LACP_UNLOCK(grp) mutex_exit(&(grp)->aggr.gl_lock); 135 #define AGGR_LACP_LOCK_HELD(grp) MUTEX_HELD(&(grp)->aggr.gl_lock) 136 137 #define AGGR_GRP_REFHOLD(grp) { \ 138 atomic_add_32(&(grp)->lg_refs, 1); \ 139 ASSERT((grp)->lg_refs != 0); \ 140 } 141 142 #define AGGR_GRP_REFRELE(grp) { \ 143 ASSERT((grp)->lg_refs != 0); \ 144 membar_exit(); \ 145 if (atomic_add_32_nv(&(grp)->lg_refs, -1) == 0) \ 146 aggr_grp_free(grp); \ 147 } 148 149 #define AGGR_PORT_REFHOLD(port) { \ 150 atomic_add_32(&(port)->lp_refs, 1); \ 151 ASSERT((port)->lp_refs != 0); \ 152 } 153 154 #define AGGR_PORT_REFRELE(port) { \ 155 ASSERT((port)->lp_refs != 0); \ 156 membar_exit(); \ 157 if (atomic_add_32_nv(&(port)->lp_refs, -1) == 0) \ 158 aggr_port_free(port); \ 159 } 160 161 extern dev_info_t *aggr_dip; 162 extern void aggr_ioctl(queue_t *, mblk_t *); 163 164 typedef int (*aggr_grp_info_new_grp_fn_t)(void *, uint32_t, uchar_t *, 165 boolean_t, uint32_t, uint32_t, aggr_lacp_mode_t, aggr_lacp_timer_t); 166 typedef int (*aggr_grp_info_new_port_fn_t)(void *, char *, uint32_t, 167 uchar_t *, aggr_port_state_t, aggr_lacp_state_t *); 168 169 extern void aggr_grp_init(void); 170 extern void aggr_grp_fini(void); 171 extern int aggr_grp_create(uint32_t, uint_t, laioc_port_t *, uint32_t, 172 boolean_t, uchar_t *, aggr_lacp_mode_t, aggr_lacp_timer_t); 173 extern int aggr_grp_delete(uint32_t); 174 extern void aggr_grp_free(aggr_grp_t *); 175 176 extern int aggr_grp_info(uint_t *, uint32_t, void *, 177 aggr_grp_info_new_grp_fn_t, aggr_grp_info_new_port_fn_t); 178 extern void aggr_grp_notify(aggr_grp_t *, uint32_t); 179 extern boolean_t aggr_grp_attach_port(aggr_grp_t *, aggr_port_t *); 180 extern boolean_t aggr_grp_detach_port(aggr_grp_t *, aggr_port_t *); 181 extern boolean_t aggr_grp_port_mac_changed(aggr_grp_t *, aggr_port_t *); 182 extern int aggr_grp_add_ports(uint32_t, uint_t, laioc_port_t *); 183 extern int aggr_grp_rem_ports(uint32_t, uint_t, laioc_port_t *); 184 extern void aggr_grp_update_ports_mac(aggr_grp_t *); 185 extern int aggr_grp_modify(uint32_t, aggr_grp_t *, uint8_t, uint32_t, 186 boolean_t, const uchar_t *, aggr_lacp_mode_t, aggr_lacp_timer_t); 187 extern void aggr_grp_multicst_port(aggr_port_t *, boolean_t); 188 extern uint_t aggr_grp_count(void); 189 190 extern void aggr_port_init(void); 191 extern void aggr_port_fini(void); 192 extern int aggr_port_create(const char *, uint_t, aggr_port_t **); 193 extern void aggr_port_delete(aggr_port_t *); 194 extern void aggr_port_free(aggr_port_t *); 195 extern int aggr_port_start(aggr_port_t *); 196 extern void aggr_port_stop(aggr_port_t *); 197 extern int aggr_port_promisc(aggr_port_t *, boolean_t); 198 extern int aggr_port_unicst(aggr_port_t *, uint8_t *); 199 extern int aggr_port_multicst(void *, boolean_t, const uint8_t *); 200 extern uint64_t aggr_port_stat(aggr_port_t *, enum mac_stat); 201 202 extern void aggr_recv_cb(void *, mac_resource_handle_t, mblk_t *); 203 204 extern mblk_t *aggr_m_tx(void *, mblk_t *); 205 extern void aggr_send_port_enable(aggr_port_t *); 206 extern void aggr_send_port_disable(aggr_port_t *); 207 extern void aggr_send_update_policy(aggr_grp_t *, uint32_t); 208 209 extern void aggr_lacp_init(void); 210 extern void aggr_lacp_fini(void); 211 extern void aggr_lacp_init_port(aggr_port_t *); 212 extern void aggr_lacp_init_grp(aggr_grp_t *); 213 extern void aggr_lacp_set_mode(aggr_grp_t *, aggr_lacp_mode_t, 214 aggr_lacp_timer_t); 215 extern void aggr_lacp_update_mode(aggr_grp_t *, aggr_lacp_mode_t); 216 extern void aggr_lacp_update_timer(aggr_grp_t *, aggr_lacp_timer_t); 217 extern void aggr_lacp_rx(aggr_port_t *, mblk_t *); 218 extern void aggr_lacp_port_attached(aggr_port_t *); 219 extern void aggr_lacp_port_detached(aggr_port_t *); 220 extern void aggr_lacp_policy_changed(aggr_grp_t *); 221 222 #endif /* _KERNEL */ 223 224 #ifdef __cplusplus 225 } 226 #endif 227 228 #endif /* _SYS_AGGR_IMPL_H */ 229