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_MAC_IMPL_H 27 #define _SYS_MAC_IMPL_H 28 29 #pragma ident "%Z%%M% %I% %E% SMI" 30 31 #include <sys/mac.h> 32 #include <net/if.h> 33 34 #ifdef __cplusplus 35 extern "C" { 36 #endif 37 38 typedef struct mac_multicst_addr_s mac_multicst_addr_t; 39 40 struct mac_multicst_addr_s { 41 mac_multicst_addr_t *mma_nextp; 42 uint_t mma_ref; 43 uint8_t mma_addr[MAXMACADDRLEN]; 44 }; 45 46 typedef struct mac_margin_req_s mac_margin_req_t; 47 48 struct mac_margin_req_s { 49 mac_margin_req_t *mmr_nextp; 50 uint_t mmr_ref; 51 uint32_t mmr_margin; 52 }; 53 54 typedef struct mac_notify_fn_s mac_notify_fn_t; 55 56 struct mac_notify_fn_s { 57 mac_notify_fn_t *mnf_nextp; 58 mac_notify_t mnf_fn; 59 void *mnf_arg; 60 }; 61 62 typedef struct mac_rx_fn_s mac_rx_fn_t; 63 64 struct mac_rx_fn_s { 65 mac_rx_fn_t *mrf_nextp; 66 mac_rx_t mrf_fn; 67 void *mrf_arg; 68 boolean_t mrf_inuse; 69 boolean_t mrf_active; 70 }; 71 72 typedef struct mac_txloop_fn_s mac_txloop_fn_t; 73 74 struct mac_txloop_fn_s { 75 mac_txloop_fn_t *mtf_nextp; 76 mac_txloop_t mtf_fn; 77 void *mtf_arg; 78 }; 79 80 typedef struct mactype_s { 81 const char *mt_ident; 82 uint32_t mt_ref; 83 uint_t mt_type; 84 uint_t mt_nativetype; 85 size_t mt_addr_length; 86 uint8_t *mt_brdcst_addr; 87 mactype_ops_t mt_ops; 88 mac_stat_info_t *mt_stats; /* array of mac_stat_info_t elements */ 89 size_t mt_statcount; /* number of elements in mt_stats */ 90 } mactype_t; 91 92 93 #define MAC_VNIC_TXINFO_REFHOLD(mvt) { \ 94 mutex_enter(&(mvt)->mv_lock); \ 95 (mvt)->mv_refs++; \ 96 mutex_exit(&(mvt)->mv_lock); \ 97 } 98 99 #define MAC_VNIC_TXINFO_REFRELE(mvt) { \ 100 mutex_enter(&(mvt)->mv_lock); \ 101 if (--(mvt)->mv_refs == 0 && (mvt)->mv_clearing) { \ 102 (mvt)->mv_clearing = B_FALSE; \ 103 cv_signal(&(mvt)->mv_cv); \ 104 } \ 105 mutex_exit(&(mvt)->mv_lock); \ 106 } 107 108 typedef struct mac_vnic_tx_s { 109 mac_txinfo_t mv_txinfo; /* provided by VNIC */ 110 uint32_t mv_refs; 111 kmutex_t mv_lock; 112 kcondvar_t mv_cv; 113 boolean_t mv_clearing; 114 } mac_vnic_tx_t; 115 116 /* 117 * Each registered MAC is associated with a mac_t structure. 118 */ 119 typedef struct mac_impl_s { 120 /* 121 * The following fields are set in mac_register() and will not be 122 * changed until mac_unregister(). No lock is needed to access them. 123 */ 124 char mi_name[LIFNAMSIZ]; 125 void *mi_driver; /* Driver private data */ 126 mac_info_t mi_info; 127 mactype_t *mi_type; 128 void *mi_pdata; 129 size_t mi_pdata_size; 130 mac_callbacks_t *mi_callbacks; 131 dev_info_t *mi_dip; 132 minor_t mi_minor; 133 dev_t mi_phy_dev; 134 kstat_t *mi_ksp; 135 uint_t mi_kstat_count; 136 mac_txinfo_t mi_txinfo; 137 mac_txinfo_t mi_txloopinfo; 138 139 krwlock_t mi_gen_lock; 140 uint32_t mi_oref; 141 uint32_t mi_ref; 142 boolean_t mi_disabled; 143 boolean_t mi_exclusive; 144 145 krwlock_t mi_state_lock; 146 uint_t mi_active; 147 148 krwlock_t mi_data_lock; 149 link_state_t mi_linkstate; 150 link_state_t mi_lastlinkstate; 151 uint_t mi_promisc; 152 uint_t mi_devpromisc; 153 uint8_t mi_addr[MAXMACADDRLEN]; 154 uint8_t mi_dstaddr[MAXMACADDRLEN]; 155 uint_t mi_sdu_min; 156 uint_t mi_sdu_max; 157 mac_multicst_addr_t *mi_mmap; 158 159 krwlock_t mi_notify_lock; 160 uint32_t mi_notify_bits; 161 kmutex_t mi_notify_bits_lock; 162 kthread_t *mi_notify_thread; 163 mac_notify_fn_t *mi_mnfp; 164 kcondvar_t mi_notify_cv; 165 166 krwlock_t mi_rx_lock; 167 mac_rx_fn_t *mi_mrfp; 168 krwlock_t mi_tx_lock; 169 mac_txloop_fn_t *mi_mtfp; 170 171 krwlock_t mi_resource_lock; 172 mac_resource_add_t mi_resource_add; 173 void *mi_resource_add_arg; 174 175 kmutex_t mi_activelink_lock; 176 boolean_t mi_activelink; 177 178 uint32_t mi_rx_ref; /* #threads in mac_rx() */ 179 uint32_t mi_rx_removed; /* #callbacks marked */ 180 /* for removal */ 181 kmutex_t mi_lock; 182 kcondvar_t mi_rx_cv; 183 boolean_t mi_shareable; 184 boolean_t mi_vnic_present; 185 mac_vnic_tx_t *mi_vnic_tx; 186 mac_txinfo_t mi_vnic_txinfo; 187 mac_txinfo_t mi_vnic_txloopinfo; 188 mac_getcapab_t mi_vnic_getcapab_fn; 189 void *mi_vnic_getcapab_arg; 190 191 boolean_t mi_legacy; 192 uint32_t mi_unsup_note; 193 uint32_t mi_margin; 194 195 /* 196 * List of margin value requests added by mac clients. This list is 197 * sorted: the first one has the greatest value. 198 */ 199 mac_margin_req_t *mi_mmrp; 200 } mac_impl_t; 201 202 #define mi_getstat mi_callbacks->mc_getstat 203 #define mi_start mi_callbacks->mc_start 204 #define mi_stop mi_callbacks->mc_stop 205 #define mi_open mi_callbacks->mc_open 206 #define mi_close mi_callbacks->mc_close 207 #define mi_setpromisc mi_callbacks->mc_setpromisc 208 #define mi_multicst mi_callbacks->mc_multicst 209 #define mi_unicst mi_callbacks->mc_unicst 210 #define mi_resources mi_callbacks->mc_resources 211 #define mi_tx mi_callbacks->mc_tx 212 #define mi_ioctl mi_callbacks->mc_ioctl 213 #define mi_getcapab mi_callbacks->mc_getcapab 214 215 extern void mac_init(void); 216 extern int mac_fini(void); 217 218 extern void mac_stat_create(mac_impl_t *); 219 extern void mac_stat_destroy(mac_impl_t *); 220 extern uint64_t mac_stat_default(mac_impl_t *, uint_t); 221 222 #ifdef __cplusplus 223 } 224 #endif 225 226 #endif /* _SYS_MAC_IMPL_H */ 227