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_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 /* 39 * Statistics maintained internally by the mac module. 40 */ 41 enum mac_mod_stat { 42 MAC_STAT_LINK_STATE, 43 MAC_STAT_LINK_UP, 44 MAC_STAT_PROMISC 45 }; 46 47 typedef struct mac_multicst_addr_s mac_multicst_addr_t; 48 49 struct mac_multicst_addr_s { 50 mac_multicst_addr_t *mma_nextp; 51 uint_t mma_ref; 52 uint8_t mma_addr[MAXMACADDRLEN]; 53 }; 54 55 typedef struct mac_notify_fn_s mac_notify_fn_t; 56 57 struct mac_notify_fn_s { 58 mac_notify_fn_t *mnf_nextp; 59 mac_notify_t mnf_fn; 60 void *mnf_arg; 61 }; 62 63 typedef struct mac_rx_fn_s mac_rx_fn_t; 64 65 struct mac_rx_fn_s { 66 mac_rx_fn_t *mrf_nextp; 67 mac_rx_t mrf_fn; 68 void *mrf_arg; 69 boolean_t mrf_inuse; 70 boolean_t mrf_active; 71 }; 72 73 typedef struct mac_txloop_fn_s mac_txloop_fn_t; 74 75 struct mac_txloop_fn_s { 76 mac_txloop_fn_t *mtf_nextp; 77 mac_txloop_t mtf_fn; 78 void *mtf_arg; 79 }; 80 81 typedef struct mactype_s { 82 const char *mt_ident; 83 uint32_t mt_ref; 84 uint_t mt_type; 85 uint_t mt_nativetype; 86 size_t mt_addr_length; 87 uint8_t *mt_brdcst_addr; 88 mactype_ops_t mt_ops; 89 mac_stat_info_t *mt_stats; /* array of mac_stat_info_t elements */ 90 size_t mt_statcount; /* number of elements in mt_stats */ 91 } mactype_t; 92 93 94 #define MAC_VNIC_TXINFO_REFHOLD(mvt) { \ 95 mutex_enter(&(mvt)->mv_lock); \ 96 (mvt)->mv_refs++; \ 97 mutex_exit(&(mvt)->mv_lock); \ 98 } 99 100 #define MAC_VNIC_TXINFO_REFRELE(mvt) { \ 101 mutex_enter(&(mvt)->mv_lock); \ 102 if (--(mvt)->mv_refs == 0 && (mvt)->mv_clearing) { \ 103 (mvt)->mv_clearing = B_FALSE; \ 104 cv_signal(&(mvt)->mv_cv); \ 105 } \ 106 mutex_exit(&(mvt)->mv_lock); \ 107 } 108 109 typedef struct mac_vnic_tx_s { 110 mac_txinfo_t mv_txinfo; /* provided by VNIC */ 111 uint32_t mv_refs; 112 kmutex_t mv_lock; 113 kcondvar_t mv_cv; 114 boolean_t mv_clearing; 115 } mac_vnic_tx_t; 116 117 /* 118 * Each registered MAC is associated with a mac_t structure. 119 */ 120 typedef struct mac_impl_s { 121 char mi_name[LIFNAMSIZ]; 122 const char *mi_drvname; 123 uint_t mi_instance; 124 void *mi_driver; /* Driver private data */ 125 mac_info_t mi_info; 126 mactype_t *mi_type; 127 void *mi_pdata; 128 size_t mi_pdata_size; 129 mac_callbacks_t *mi_callbacks; 130 dev_info_t *mi_dip; 131 uint32_t mi_ref; 132 boolean_t mi_disabled; 133 krwlock_t mi_state_lock; 134 uint_t mi_active; 135 krwlock_t mi_data_lock; 136 link_state_t mi_linkstate; 137 link_state_t mi_lastlinkstate; 138 uint_t mi_promisc; 139 uint_t mi_devpromisc; 140 uint8_t mi_addr[MAXMACADDRLEN]; 141 uint8_t mi_dstaddr[MAXMACADDRLEN]; 142 mac_multicst_addr_t *mi_mmap; 143 krwlock_t mi_notify_lock; 144 uint32_t mi_notify_bits; 145 kmutex_t mi_notify_bits_lock; 146 kthread_t *mi_notify_thread; 147 mac_notify_fn_t *mi_mnfp; 148 kcondvar_t mi_notify_cv; 149 krwlock_t mi_rx_lock; 150 mac_rx_fn_t *mi_mrfp; 151 krwlock_t mi_tx_lock; 152 mac_txloop_fn_t *mi_mtfp; 153 krwlock_t mi_resource_lock; 154 mac_resource_add_t mi_resource_add; 155 void *mi_resource_add_arg; 156 kstat_t *mi_ksp; 157 uint_t mi_kstat_count; 158 kmutex_t mi_activelink_lock; 159 boolean_t mi_activelink; 160 mac_txinfo_t mi_txinfo; 161 mac_txinfo_t mi_txloopinfo; 162 uint32_t mi_rx_ref; /* #threads in mac_rx() */ 163 uint32_t mi_rx_removed; /* #callbacks marked */ 164 /* for removal */ 165 kmutex_t mi_lock; 166 kcondvar_t mi_rx_cv; 167 boolean_t mi_shareable; 168 boolean_t mi_vnic_present; 169 mac_vnic_tx_t *mi_vnic_tx; 170 mac_txinfo_t mi_vnic_txinfo; 171 mac_txinfo_t mi_vnic_txloopinfo; 172 mac_getcapab_t mi_vnic_getcapab_fn; 173 void *mi_vnic_getcapab_arg; 174 } mac_impl_t; 175 176 #define mi_getstat mi_callbacks->mc_getstat 177 #define mi_start mi_callbacks->mc_start 178 #define mi_stop mi_callbacks->mc_stop 179 #define mi_setpromisc mi_callbacks->mc_setpromisc 180 #define mi_multicst mi_callbacks->mc_multicst 181 #define mi_unicst mi_callbacks->mc_unicst 182 #define mi_resources mi_callbacks->mc_resources 183 #define mi_tx mi_callbacks->mc_tx 184 #define mi_ioctl mi_callbacks->mc_ioctl 185 #define mi_getcapab mi_callbacks->mc_getcapab 186 187 extern void mac_init(void); 188 extern int mac_fini(void); 189 190 extern void mac_stat_create(mac_impl_t *); 191 extern void mac_stat_destroy(mac_impl_t *); 192 extern uint64_t mac_stat_default(mac_impl_t *, uint_t); 193 194 #ifdef __cplusplus 195 } 196 #endif 197 198 #endif /* _SYS_MAC_IMPL_H */ 199