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 /* 23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _VNET_H 28 #define _VNET_H 29 30 #ifdef __cplusplus 31 extern "C" { 32 #endif 33 34 #include <sys/vnet_res.h> 35 #include <sys/vnet_mailbox.h> 36 #include <sys/modhash.h> 37 38 #define VNET_SUCCESS (0) /* successful return */ 39 #define VNET_FAILURE (-1) /* unsuccessful return */ 40 41 #define KMEM_FREE(_p) kmem_free((_p), sizeof (*(_p))) 42 43 #define VNET_NTXDS 512 /* power of 2 tx descriptors */ 44 #define VNET_LDCWD_INTERVAL 1000 /* watchdog freq in msec */ 45 #define VNET_LDCWD_TXTIMEOUT 1000 /* tx timeout in msec */ 46 #define VNET_LDC_MTU 64 /* ldc mtu */ 47 48 49 #define IS_BROADCAST(ehp) \ 50 (ether_cmp(&ehp->ether_dhost, ðerbroadcastaddr) == 0) 51 #define IS_MULTICAST(ehp) \ 52 ((ehp->ether_dhost.ether_addr_octet[0] & 01) == 1) 53 54 #define VNET_MATCH_RES(vresp, vnetp) \ 55 (ether_cmp(vresp->local_macaddr, vnetp->curr_macaddr) == 0) 56 57 typedef struct vnet_hio_stats { 58 /* Link Input/Output stats */ 59 uint64_t ipackets; /* # rx packets */ 60 uint64_t ierrors; /* # rx error */ 61 uint64_t opackets; /* # tx packets */ 62 uint64_t oerrors; /* # tx error */ 63 64 /* MIB II variables */ 65 uint64_t rbytes; /* # bytes received */ 66 uint64_t obytes; /* # bytes transmitted */ 67 uint32_t multircv; /* # multicast packets received */ 68 uint32_t multixmt; /* # multicast packets for xmit */ 69 uint32_t brdcstrcv; /* # broadcast packets received */ 70 uint32_t brdcstxmt; /* # broadcast packets for xmit */ 71 uint32_t norcvbuf; /* # rcv packets discarded */ 72 uint32_t noxmtbuf; /* # xmit packets discarded */ 73 } vnet_hio_stats_t; 74 75 typedef struct vnet_hio_kstats { 76 /* Link Input/Output stats */ 77 kstat_named_t ipackets; 78 kstat_named_t ipackets64; 79 kstat_named_t ierrors; 80 kstat_named_t opackets; 81 kstat_named_t opackets64; 82 kstat_named_t oerrors; 83 84 /* required by kstat for MIB II objects(RFC 1213) */ 85 kstat_named_t rbytes; /* MIB - ifInOctets */ 86 kstat_named_t rbytes64; 87 kstat_named_t obytes; /* MIB - ifOutOctets */ 88 kstat_named_t obytes64; 89 kstat_named_t multircv; /* MIB - ifInNUcastPkts */ 90 kstat_named_t multixmt; /* MIB - ifOutNUcastPkts */ 91 kstat_named_t brdcstrcv; /* MIB - ifInNUcastPkts */ 92 kstat_named_t brdcstxmt; /* MIB - ifOutNUcastPkts */ 93 kstat_named_t norcvbuf; /* MIB - ifInDiscards */ 94 kstat_named_t noxmtbuf; /* MIB - ifOutDiscards */ 95 } vnet_hio_kstats_t; 96 97 /* 98 * A vnet resource structure. 99 */ 100 typedef struct vnet_res { 101 struct vnet_res *nextp; /* next resource in the list */ 102 mac_register_t macreg; /* resource's mac_reg */ 103 vio_net_res_type_t type; /* resource type */ 104 ether_addr_t local_macaddr; /* resource's macaddr */ 105 ether_addr_t rem_macaddr; /* resource's remote macaddr */ 106 uint32_t flags; /* resource flags */ 107 uint32_t refcnt; /* reference count */ 108 struct vnet *vnetp; /* back pointer to vnet */ 109 kstat_t *ksp; /* hio kstats */ 110 } vnet_res_t; 111 112 #define VNET_DDS_TASK_ADD_SHARE 0x01 113 #define VNET_DDS_TASK_DEL_SHARE 0x02 114 #define VNET_DDS_TASK_REL_SHARE 0x04 115 116 /* An instance specific DDS structure */ 117 typedef struct vnet_dds_info { 118 kmutex_t lock; /* lock for this structure */ 119 uint8_t task_flags; /* flags for taskq */ 120 uint8_t dds_req_id; /* DDS message request id */ 121 vio_dds_msg_t dmsg; /* Pending DDS message */ 122 dev_info_t *hio_dip; /* Hybrid device's dip */ 123 uint64_t hio_cookie; /* Hybrid device's cookie */ 124 ddi_taskq_t *dds_taskqp; /* Taskq's used for DDS */ 125 struct vnet *vnetp; /* Back pointer to vnetp */ 126 } vnet_dds_info_t; 127 128 #define VNET_NFDB_HASH 64 129 130 #define KEY_HASH(key, addr) \ 131 (key = (((uint64_t)(addr[0])) << 40) | \ 132 (((uint64_t)(addr[1])) << 32) | \ 133 (((uint64_t)(addr[2])) << 24) | \ 134 (((uint64_t)(addr[3])) << 16) | \ 135 (((uint64_t)(addr[4])) << 8) | \ 136 ((uint64_t)(addr[5]))); 137 138 139 /* rwlock macros */ 140 #define READ_ENTER(x) rw_enter(x, RW_READER) 141 #define WRITE_ENTER(x) rw_enter(x, RW_WRITER) 142 #define RW_EXIT(x) rw_exit(x) 143 144 #define VLAN_ID_KEY(key) ((mod_hash_key_t)(uintptr_t)(key)) 145 146 /* 147 * vnet instance state information 148 */ 149 typedef struct vnet { 150 int instance; /* instance # */ 151 dev_info_t *dip; /* dev_info */ 152 uint64_t reg; /* reg prop value */ 153 struct vnet *nextp; /* next in list */ 154 mac_handle_t mh; /* handle to GLDv3 mac module */ 155 uchar_t vendor_addr[ETHERADDRL]; /* orig macadr */ 156 uchar_t curr_macaddr[ETHERADDRL]; /* current macadr */ 157 void *vgenhdl; /* Handle for vgen */ 158 159 uint32_t fdb_nchains; /* # of hash chains in fdbtbl */ 160 mod_hash_t *fdb_hashp; /* forwarding database */ 161 vnet_res_t *vsw_fp; /* cached fdb entry of vsw */ 162 krwlock_t vsw_fp_rw; /* lock to protect vsw_fp */ 163 uint32_t mtu; /* mtu of the device */ 164 165 uint16_t default_vlan_id; /* default vlan id */ 166 uint16_t pvid; /* port vlan id (untagged) */ 167 uint16_t *vids; /* vlan ids (tagged) */ 168 uint16_t nvids; /* # of vids */ 169 170 uint32_t flags; /* interface flags */ 171 vnet_res_t *hio_fp; /* Hybrid IO resource */ 172 vnet_res_t *vres_list; /* Resource list */ 173 vnet_dds_info_t vdds_info; /* DDS related info */ 174 krwlock_t vrwlock; /* Resource list lock */ 175 ddi_taskq_t *taskqp; /* Resource taskq */ 176 } vnet_t; 177 178 #define VNET_STARTED 0x01 179 180 #ifdef DEBUG 181 /* 182 * debug levels: 183 * DBG_LEVEL1: Function entry/exit tracing 184 * DBG_LEVEL2: Info messages 185 * DBG_LEVEL3: Warning messages 186 * DBG_LEVEL4: Error messages 187 */ 188 189 enum { DBG_LEVEL1 = 0x01, DBG_LEVEL2 = 0x02, DBG_WARN = 0x04, 190 DBG_ERR = 0x08 }; 191 192 #define DBG1(...) do { \ 193 if ((vnet_dbglevel & DBG_LEVEL1) != 0) { \ 194 debug_printf(__func__, __VA_ARGS__); \ 195 } \ 196 _NOTE(CONSTCOND) } while (0) 197 198 #define DBG2(...) do { \ 199 if ((vnet_dbglevel & DBG_LEVEL2) != 0) { \ 200 debug_printf(__func__, __VA_ARGS__); \ 201 } \ 202 _NOTE(CONSTCOND) } while (0) 203 204 #define DWARN(...) do { \ 205 if ((vnet_dbglevel & DBG_WARN) != 0) { \ 206 debug_printf(__func__, __VA_ARGS__); \ 207 } \ 208 _NOTE(CONSTCOND) } while (0) 209 210 #define DERR(...) do { \ 211 if ((vnet_dbglevel & DBG_ERR) != 0) { \ 212 debug_printf(__func__, __VA_ARGS__); \ 213 } \ 214 _NOTE(CONSTCOND) } while (0) 215 216 #else 217 218 #define DBG1(...) if (0) do { } while (0) 219 #define DBG2(...) if (0) do { } while (0) 220 #define DWARN(...) if (0) do { } while (0) 221 #define DERR(...) if (0) do { } while (0) 222 223 #endif 224 225 #ifdef __cplusplus 226 } 227 #endif 228 229 #endif /* _VNET_H */ 230