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 /* 28 * This header file contains the data structures which the 29 * virtual switch (vsw) uses to communicate with its clients and 30 * the outside world. 31 */ 32 33 #ifndef _VSW_H 34 #define _VSW_H 35 36 #pragma ident "%Z%%M% %I% %E% SMI" 37 38 #ifdef __cplusplus 39 extern "C" { 40 #endif 41 42 #include <sys/vio_mailbox.h> 43 #include <sys/vnet_common.h> 44 #include <sys/ethernet.h> 45 #include <sys/vio_util.h> 46 #include <sys/vgen_stats.h> 47 #include <sys/vsw_ldc.h> 48 #include <sys/vsw_hio.h> 49 50 #define DRV_NAME "vsw" 51 52 /* 53 * Only support ETHER mtu at moment. 54 */ 55 #define VSW_MTU ETHERMAX 56 57 /* ID of the source of a frame being switched */ 58 #define VSW_PHYSDEV 1 /* physical device associated */ 59 #define VSW_VNETPORT 2 /* port connected to vnet (over ldc) */ 60 #define VSW_LOCALDEV 4 /* vsw configured as an eth interface */ 61 62 /* 63 * Vsw queue -- largely modeled after squeue 64 * 65 * VSW_QUEUE_RUNNING, vqueue thread for queue is running. 66 * VSW_QUEUE_DRAINED, vqueue thread has drained current work and is exiting. 67 * VSW_QUEUE_STOP, request for the vqueue thread to stop. 68 * VSW_QUEUE_STOPPED, vqueue thread is not running. 69 */ 70 #define VSW_QUEUE_RUNNING 0x01 71 #define VSW_QUEUE_DRAINED 0x02 72 #define VSW_QUEUE_STOP 0x04 73 #define VSW_QUEUE_STOPPED 0x08 74 75 typedef struct vsw_queue_s { 76 kmutex_t vq_lock; /* Lock, before using any member. */ 77 kcondvar_t vq_cv; /* Async threads block on. */ 78 uint32_t vq_state; /* State flags. */ 79 80 mblk_t *vq_first; /* First mblk chain or NULL. */ 81 mblk_t *vq_last; /* Last mblk chain. */ 82 83 processorid_t vq_bind; /* Process to bind to */ 84 kthread_t *vq_worker; /* Queue's thread */ 85 } vsw_queue_t; 86 87 /* 88 * VSW MAC Ring Resources. 89 * MAC Ring resource is composed of this state structure and 90 * a kernel thread to perform the processing of the ring. 91 */ 92 typedef struct vsw_mac_ring_s { 93 uint32_t ring_state; 94 95 mac_blank_t ring_blank; 96 void *ring_arg; 97 98 vsw_queue_t *ring_vqp; 99 struct vsw *ring_vswp; 100 } vsw_mac_ring_t; 101 102 /* 103 * Maximum Ring Resources. 104 */ 105 #define VSW_MAC_RX_RINGS 0x40 106 107 /* 108 * States for entry in ring table. 109 */ 110 #define VSW_MAC_RING_FREE 1 111 #define VSW_MAC_RING_INUSE 2 112 113 /* 114 * Number of hash chains in the multicast forwarding database. 115 */ 116 #define VSW_NCHAINS 8 117 118 /* Number of transmit descriptors - must be power of 2 */ 119 #define VSW_RING_NUM_EL 512 120 121 /* 122 * State of interface if switch plumbed as network device. 123 */ 124 #define VSW_IF_REG 0x1 /* interface was registered */ 125 #define VSW_IF_UP 0x2 /* Interface UP */ 126 #define VSW_IF_PROMISC 0x4 /* Interface in promiscious mode */ 127 128 #define VSW_U_P(state) \ 129 (state == (VSW_IF_UP | VSW_IF_PROMISC)) 130 131 /* 132 * Switching modes. 133 */ 134 #define VSW_LAYER2 0x1 /* Layer 2 - MAC switching */ 135 #define VSW_LAYER2_PROMISC 0x2 /* Layer 2 + promisc mode */ 136 #define VSW_LAYER3 0x4 /* Layer 3 - IP switching */ 137 138 #define NUM_SMODES 3 /* number of switching modes */ 139 140 #define VSW_PRI_ETH_DEFINED(vswp) ((vswp)->pri_num_types != 0) 141 142 /* 143 * vsw instance state information. 144 */ 145 typedef struct vsw { 146 int instance; /* instance # */ 147 dev_info_t *dip; /* associated dev_info */ 148 uint64_t regprop; /* "reg" property */ 149 struct vsw *next; /* next in list */ 150 char physname[LIFNAMSIZ]; /* phys-dev */ 151 uint8_t smode[NUM_SMODES]; /* switching mode */ 152 int smode_idx; /* curr pos in smode array */ 153 int smode_num; /* # of modes specified */ 154 kmutex_t swtmout_lock; /* setup switching tmout lock */ 155 boolean_t swtmout_enabled; /* setup switching tmout on */ 156 timeout_id_t swtmout_id; /* setup switching tmout id */ 157 uint32_t switching_setup_done; /* setup switching done */ 158 int mac_open_retries; /* mac_open() retry count */ 159 vsw_port_list_t plist; /* associated ports */ 160 ddi_taskq_t *taskq_p; /* VIO ctrl msg taskq */ 161 mod_hash_t *fdb_hashp; /* forwarding database */ 162 uint32_t fdb_nchains; /* # of hash chains in fdb */ 163 mod_hash_t *vlan_hashp; /* vlan hash table */ 164 uint32_t vlan_nchains; /* # of vlan hash chains */ 165 uint32_t max_frame_size; /* max frame size supported */ 166 167 mod_hash_t *mfdb; /* multicast FDB */ 168 krwlock_t mfdbrw; /* rwlock for mFDB */ 169 170 vio_mblk_pool_t *rxh; /* Receive pool handle */ 171 void (*vsw_switch_frame) 172 (struct vsw *, mblk_t *, int, 173 vsw_port_t *, mac_resource_handle_t); 174 175 /* mac layer */ 176 krwlock_t mac_rwlock; /* protect fields below */ 177 mac_handle_t mh; 178 mac_rx_handle_t mrh; 179 multiaddress_capab_t maddr; /* Multiple uni addr capable */ 180 const mac_txinfo_t *txinfo; /* MAC tx routine */ 181 boolean_t mstarted; /* Mac Started? */ 182 boolean_t mresources; /* Mac Resources cb? */ 183 184 /* 185 * MAC Ring Resources. 186 */ 187 kmutex_t mac_ring_lock; /* Lock for the table. */ 188 uint32_t mac_ring_tbl_sz; 189 vsw_mac_ring_t *mac_ring_tbl; /* Mac ring table. */ 190 191 kmutex_t hw_lock; /* sync access to HW */ 192 boolean_t recfg_reqd; /* Reconfig of addrs needed */ 193 int promisc_cnt; 194 195 /* Machine Description updates */ 196 mdeg_node_spec_t *inst_spec; 197 mdeg_handle_t mdeg_hdl; 198 mdeg_handle_t mdeg_port_hdl; 199 200 /* if configured as an ethernet interface */ 201 mac_handle_t if_mh; /* MAC handle */ 202 struct ether_addr if_addr; /* interface address */ 203 krwlock_t if_lockrw; 204 uint8_t if_state; /* interface state */ 205 206 mac_addr_slot_t addr_slot; /* Unicast address slot */ 207 int addr_set; /* Addr set where */ 208 209 /* multicast addresses when configured as eth interface */ 210 kmutex_t mca_lock; /* multicast lock */ 211 mcst_addr_t *mcap; /* list of multicast addrs */ 212 213 uint32_t pri_num_types; /* # of priority eth types */ 214 uint16_t *pri_types; /* priority eth types */ 215 vio_mblk_pool_t *pri_tx_vmp; /* tx priority mblk pool */ 216 uint16_t default_vlan_id; /* default vlan id */ 217 uint16_t pvid; /* port vlan id (untagged) */ 218 uint16_t *vids; /* vlan ids (tagged) */ 219 uint16_t nvids; /* # of vids */ 220 uint32_t vids_size; /* size alloc'd for vids list */ 221 222 /* HybridIO related fields */ 223 boolean_t hio_capable; /* Phys dev HIO capable */ 224 vsw_hio_t vhio; /* HybridIO info */ 225 } vsw_t; 226 227 /* 228 * The flags that are used by vsw_mac_rx(). 229 */ 230 typedef enum { 231 VSW_MACRX_PROMISC = 0x01, 232 VSW_MACRX_COPYMSG = 0x02, 233 VSW_MACRX_FREEMSG = 0x04 234 } vsw_macrx_flags_t; 235 236 237 #ifdef DEBUG 238 239 extern int vswdbg; 240 extern void vswdebug(vsw_t *vswp, const char *fmt, ...); 241 242 #define D1(...) \ 243 if (vswdbg & 0x01) \ 244 vswdebug(__VA_ARGS__) 245 246 #define D2(...) \ 247 if (vswdbg & 0x02) \ 248 vswdebug(__VA_ARGS__) 249 250 #define D3(...) \ 251 if (vswdbg & 0x04) \ 252 vswdebug(__VA_ARGS__) 253 254 #define DWARN(...) \ 255 if (vswdbg & 0x08) \ 256 vswdebug(__VA_ARGS__) 257 258 #define DERR(...) \ 259 if (vswdbg & 0x10) \ 260 vswdebug(__VA_ARGS__) 261 262 #else 263 264 #define DERR(...) if (0) do { } while (0) 265 #define DWARN(...) if (0) do { } while (0) 266 #define D1(...) if (0) do { } while (0) 267 #define D2(...) if (0) do { } while (0) 268 #define D3(...) if (0) do { } while (0) 269 270 #endif /* DEBUG */ 271 272 273 #ifdef __cplusplus 274 } 275 #endif 276 277 #endif /* _VSW_H */ 278