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_DLS_IMPL_H 27 #define _SYS_DLS_IMPL_H 28 29 #pragma ident "%Z%%M% %I% %E% SMI" 30 31 #include <sys/stream.h> 32 #include <sys/dls.h> 33 #include <sys/mac.h> 34 #include <sys/modhash.h> 35 #include <sys/kstat.h> 36 #include <net/if.h> 37 #include <sys/dlpi.h> 38 #include <sys/dls_soft_ring.h> 39 40 #ifdef __cplusplus 41 extern "C" { 42 #endif 43 44 typedef struct dls_multicst_addr_s dls_multicst_addr_t; 45 46 struct dls_multicst_addr_s { 47 dls_multicst_addr_t *dma_nextp; 48 uint8_t dma_addr[MAXMACADDRLEN]; 49 }; 50 51 typedef struct dls_link_s dls_link_t; 52 53 struct dls_link_s { 54 char dl_name[MAXNAMELEN]; 55 mac_handle_t dl_mh; 56 const mac_info_t *dl_mip; 57 mac_rx_handle_t dl_mrh; 58 mac_txloop_handle_t dl_mth; 59 uint_t dl_ref; 60 uint_t dl_macref; 61 mod_hash_t *dl_impl_hash; 62 krwlock_t dl_impl_lock; 63 uint_t dl_impl_count; 64 kmutex_t dl_promisc_lock; 65 uint_t dl_npromisc; 66 uint_t dl_nactive; 67 uint32_t dl_unknowns; 68 kmutex_t dl_lock; 69 }; 70 71 typedef struct dls_impl_s dls_impl_t; 72 typedef struct dls_head_s dls_head_t; 73 74 /* 75 * The maximum length of an SPA (subnetwork point of attachment). It is of 76 * the form <macname/vid>. 77 */ 78 #define MAXSPALEN (MAXNAMELEN + 5) 79 80 typedef struct dls_vlan_s { 81 /* 82 * The following fields will not change after dls_vlan_t creation. 83 */ 84 dls_link_t *dv_dlp; 85 uint16_t dv_id; 86 87 /* 88 * Unique SPA (of the form <macname/vid>) identifying a data-link; 89 * is needed to avoid name collisions between an explicitly and 90 * implicitly created VLANs. 91 */ 92 char dv_spa[MAXSPALEN]; 93 94 /* 95 * The ppa value of the associated device. Used to derive this link's 96 * devfs node name. 97 */ 98 uint_t dv_ppa; 99 100 /* 101 * The dev_t used to access this dls_vlan_t. 102 */ 103 dev_t dv_dev; 104 105 dev_info_t *dv_dip; 106 kstat_t *dv_ksp; 107 uint32_t dv_force : 1; 108 109 /* 110 * The following fields are protected by dv_lock. 111 */ 112 kmutex_t dv_lock; 113 114 /* 115 * Reference count of dls_impl_t plus explicit creation of the link 116 */ 117 uint_t dv_ref; 118 119 /* 120 * The reference count of this vlan is opened in its own zone. 121 */ 122 uint_t dv_zone_ref; 123 zoneid_t dv_zid; 124 } dls_vlan_t; 125 126 struct dls_impl_s { 127 dls_impl_t *di_nextp; 128 dls_head_t *di_headp; 129 dls_vlan_t *di_dvp; 130 mac_handle_t di_mh; 131 mac_notify_handle_t di_mnh; 132 const mac_info_t *di_mip; 133 krwlock_t di_lock; 134 uint16_t di_sap; 135 uint_t di_promisc; 136 dls_multicst_addr_t *di_dmap; 137 dls_rx_t di_rx; 138 void *di_rx_arg; 139 mac_resource_add_t di_ring_add; 140 const mac_txinfo_t *di_txinfo; 141 uint_t di_bound : 1, 142 di_removing : 1, 143 di_active : 1, 144 di_local : 1; 145 146 uint8_t di_unicst_addr[MAXMACADDRLEN]; 147 soft_ring_t **di_soft_ring_list; 148 uint_t di_soft_ring_size; 149 dls_dl_handle_t di_ddh; 150 }; 151 152 struct dls_head_s { 153 dls_impl_t *dh_list; 154 uint_t dh_ref; 155 mod_hash_key_t dh_key; 156 }; 157 158 extern void dls_link_init(void); 159 extern int dls_link_fini(void); 160 extern int dls_link_hold(const char *, dls_link_t **); 161 extern void dls_link_rele(dls_link_t *); 162 extern void dls_link_add(dls_link_t *, uint32_t, dls_impl_t *); 163 extern void dls_link_remove(dls_link_t *, dls_impl_t *); 164 extern int dls_link_header_info(dls_link_t *, mblk_t *, 165 mac_header_info_t *); 166 extern int dls_mac_hold(dls_link_t *); 167 extern void dls_mac_rele(dls_link_t *); 168 extern boolean_t dls_mac_active_set(dls_link_t *); 169 extern void dls_mac_active_clear(dls_link_t *); 170 171 extern void dls_mac_stat_create(dls_vlan_t *); 172 extern void dls_mac_stat_destroy(dls_vlan_t *); 173 174 extern void dls_vlan_init(void); 175 extern int dls_vlan_fini(void); 176 extern int dls_vlan_hold(const char *, uint16_t, dls_vlan_t **, 177 boolean_t, boolean_t); 178 extern int dls_vlan_hold_by_dev(dev_t, dls_vlan_t **); 179 extern void dls_vlan_rele(dls_vlan_t *); 180 extern int dls_vlan_destroy(const char *, uint16_t); 181 extern int dls_vlan_create(const char *, uint16_t, boolean_t); 182 extern int dls_vlan_setzid(const char *, uint16_t, zoneid_t); 183 extern int dls_stat_update(kstat_t *, dls_vlan_t *, int); 184 extern int dls_stat_create(const char *, int, const char *, 185 int (*)(struct kstat *, int), void *, kstat_t **); 186 187 extern int dls_devnet_open_by_dev(dev_t, dls_vlan_t **, 188 dls_dl_handle_t *); 189 190 extern void dls_init(void); 191 extern int dls_fini(void); 192 extern void dls_link_txloop(void *, mblk_t *); 193 extern boolean_t dls_accept(dls_impl_t *, mac_header_info_t *, 194 dls_rx_t *, void **); 195 extern boolean_t dls_accept_loopback(dls_impl_t *, mac_header_info_t *, 196 dls_rx_t *, void **); 197 198 extern void dls_mgmt_init(void); 199 extern void dls_mgmt_fini(void); 200 201 extern int dls_mgmt_get_phydev(datalink_id_t, dev_t *); 202 203 #ifdef __cplusplus 204 } 205 #endif 206 207 #endif /* _SYS_DLS_IMPL_H */ 208