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_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/mac_ether.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 uint16_t lp_portid; 60 uint8_t lp_addr[ETHERADDRL]; /* port MAC address */ 61 uint32_t lp_refs; /* refcount */ 62 aggr_port_state_t lp_state; 63 uint32_t lp_started : 1, 64 lp_tx_enabled : 1, 65 lp_collector_enabled : 1, 66 lp_promisc_on : 1, 67 lp_pad_bits : 28; 68 uint32_t lp_closing; 69 mac_handle_t lp_mh; 70 const mac_info_t *lp_mip; 71 mac_notify_handle_t lp_mnh; 72 mac_rx_handle_t lp_mrh; 73 krwlock_t lp_lock; 74 uint_t lp_tx_idx; /* idx in group's tx array */ 75 uint64_t lp_ifspeed; 76 link_state_t lp_link_state; 77 link_duplex_t lp_link_duplex; 78 uint64_t lp_stat[MAC_NSTAT]; 79 uint64_t lp_ether_stat[ETHER_NSTAT]; 80 aggr_lacp_port_t lp_lacp; /* LACP state */ 81 lacp_stats_t lp_lacp_stats; 82 const mac_txinfo_t *lp_txinfo; 83 } aggr_port_t; 84 85 /* 86 * A link aggregation group. 87 * 88 * The following per-group flags are defined: 89 * 90 * - lg_addr_fixed: set when the MAC address has been explicitely set 91 * when the group was created, or by a m_unicst_set() request. 92 * If this flag is not set, the MAC address of the group will be 93 * set to the first port that is added to the group. 94 * 95 * - lg_add_set: used only when lg_addr_fixed is not set. Captures whether 96 * the MAC address was initialized according to the members of the group. 97 * When set, the lg_port field points to the port from which the 98 * MAC address was initialized. 99 * 100 */ 101 typedef struct aggr_grp_s { 102 krwlock_t lg_lock; 103 uint16_t lg_key; /* key (group port number) */ 104 uint32_t lg_refs; /* refcount */ 105 uint16_t lg_nports; /* number of MAC ports */ 106 uint8_t lg_addr[ETHERADDRL]; /* group MAC address */ 107 uint16_t 108 lg_closing : 1, 109 lg_addr_fixed : 1, /* fixed MAC address? */ 110 lg_started : 1, /* group started? */ 111 lg_promisc : 1, /* in promiscuous mode? */ 112 lg_gldv3_polling : 1, 113 lg_pad_bits : 11; 114 aggr_port_t *lg_ports; /* list of configured ports */ 115 aggr_port_t *lg_mac_addr_port; 116 mac_handle_t lg_mh; 117 uint_t lg_rx_resources; 118 uint_t lg_nattached_ports; 119 uint_t lg_ntx_ports; 120 aggr_port_t **lg_tx_ports; /* array of tx ports */ 121 uint_t lg_tx_ports_size; /* size of lg_tx_ports */ 122 uint32_t lg_tx_policy; /* outbound policy */ 123 uint64_t lg_ifspeed; 124 link_state_t lg_link_state; 125 link_duplex_t lg_link_duplex; 126 uint64_t lg_stat[MAC_NSTAT]; 127 uint64_t lg_ether_stat[ETHER_NSTAT]; 128 aggr_lacp_mode_t lg_lacp_mode; /* off, active, or passive */ 129 Agg_t aggr; /* 802.3ad data */ 130 uint32_t lg_hcksum_txflags; 131 uint_t lg_max_sdu; 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 *, uchar_t *, 168 aggr_port_state_t, aggr_lacp_state_t *); 169 170 extern void aggr_grp_init(void); 171 extern void aggr_grp_fini(void); 172 extern int aggr_grp_create(uint32_t, uint_t, laioc_port_t *, uint32_t, 173 boolean_t, uchar_t *, aggr_lacp_mode_t, aggr_lacp_timer_t); 174 extern int aggr_grp_delete(uint32_t); 175 extern void aggr_grp_free(aggr_grp_t *); 176 177 extern int aggr_grp_info(uint_t *, uint32_t, void *, 178 aggr_grp_info_new_grp_fn_t, aggr_grp_info_new_port_fn_t); 179 extern void aggr_grp_notify(aggr_grp_t *, uint32_t); 180 extern boolean_t aggr_grp_attach_port(aggr_grp_t *, aggr_port_t *); 181 extern boolean_t aggr_grp_detach_port(aggr_grp_t *, aggr_port_t *); 182 extern void aggr_grp_port_mac_changed(aggr_grp_t *, aggr_port_t *, 183 boolean_t *, boolean_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 boolean_t 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 uint_t aggr_grp_count(void); 191 192 extern void aggr_port_init(void); 193 extern void aggr_port_fini(void); 194 extern int aggr_port_create(const char *, aggr_port_t **); 195 extern void aggr_port_delete(aggr_port_t *); 196 extern void aggr_port_free(aggr_port_t *); 197 extern int aggr_port_start(aggr_port_t *); 198 extern void aggr_port_stop(aggr_port_t *); 199 extern int aggr_port_promisc(aggr_port_t *, boolean_t); 200 extern int aggr_port_unicst(aggr_port_t *, uint8_t *); 201 extern int aggr_port_multicst(void *, boolean_t, const uint8_t *); 202 extern uint64_t aggr_port_stat(aggr_port_t *, uint_t); 203 extern boolean_t aggr_port_notify_link(aggr_grp_t *, aggr_port_t *, boolean_t); 204 extern void aggr_port_init_callbacks(aggr_port_t *); 205 206 extern void aggr_recv_cb(void *, mac_resource_handle_t, mblk_t *); 207 208 extern mblk_t *aggr_m_tx(void *, mblk_t *); 209 extern void aggr_send_port_enable(aggr_port_t *); 210 extern void aggr_send_port_disable(aggr_port_t *); 211 extern void aggr_send_update_policy(aggr_grp_t *, uint32_t); 212 213 extern void aggr_lacp_init(void); 214 extern void aggr_lacp_fini(void); 215 extern void aggr_lacp_init_port(aggr_port_t *); 216 extern void aggr_lacp_init_grp(aggr_grp_t *); 217 extern void aggr_lacp_set_mode(aggr_grp_t *, aggr_lacp_mode_t, 218 aggr_lacp_timer_t); 219 extern void aggr_lacp_update_mode(aggr_grp_t *, aggr_lacp_mode_t); 220 extern void aggr_lacp_update_timer(aggr_grp_t *, aggr_lacp_timer_t); 221 extern void aggr_lacp_rx(aggr_port_t *, mblk_t *); 222 extern void aggr_lacp_port_attached(aggr_port_t *); 223 extern void aggr_lacp_port_detached(aggr_port_t *); 224 extern void aggr_lacp_policy_changed(aggr_grp_t *); 225 226 #endif /* _KERNEL */ 227 228 #ifdef __cplusplus 229 } 230 #endif 231 232 #endif /* _SYS_AGGR_IMPL_H */ 233