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 #include <sys/callb.h> 50 51 #define DRV_NAME "vsw" 52 53 /* 54 * Only support ETHER mtu at moment. 55 */ 56 #define VSW_MTU ETHERMAX 57 58 /* ID of the source of a frame being switched */ 59 #define VSW_PHYSDEV 1 /* physical device associated */ 60 #define VSW_VNETPORT 2 /* port connected to vnet (over ldc) */ 61 #define VSW_LOCALDEV 4 /* vsw configured as an eth interface */ 62 63 /* 64 * Vsw queue -- largely modeled after squeue 65 * 66 * VSW_QUEUE_RUNNING, vqueue thread for queue is running. 67 * VSW_QUEUE_DRAINED, vqueue thread has drained current work and is exiting. 68 * VSW_QUEUE_STOP, request for the vqueue thread to stop. 69 * VSW_QUEUE_STOPPED, vqueue thread is not running. 70 */ 71 #define VSW_QUEUE_RUNNING 0x01 72 #define VSW_QUEUE_DRAINED 0x02 73 #define VSW_QUEUE_STOP 0x04 74 #define VSW_QUEUE_STOPPED 0x08 75 76 typedef struct vsw_queue_s { 77 kmutex_t vq_lock; /* Lock, before using any member. */ 78 kcondvar_t vq_cv; /* Async threads block on. */ 79 uint32_t vq_state; /* State flags. */ 80 81 mblk_t *vq_first; /* First mblk chain or NULL. */ 82 mblk_t *vq_last; /* Last mblk chain. */ 83 84 processorid_t vq_bind; /* Process to bind to */ 85 kthread_t *vq_worker; /* Queue's thread */ 86 } vsw_queue_t; 87 88 /* 89 * VSW MAC Ring Resources. 90 * MAC Ring resource is composed of this state structure and 91 * a kernel thread to perform the processing of the ring. 92 */ 93 typedef struct vsw_mac_ring_s { 94 uint32_t ring_state; 95 96 mac_blank_t ring_blank; 97 void *ring_arg; 98 99 vsw_queue_t *ring_vqp; 100 struct vsw *ring_vswp; 101 } vsw_mac_ring_t; 102 103 /* 104 * Maximum Ring Resources. 105 */ 106 #define VSW_MAC_RX_RINGS 0x40 107 108 /* 109 * States for entry in ring table. 110 */ 111 #define VSW_MAC_RING_FREE 1 112 #define VSW_MAC_RING_INUSE 2 113 114 /* 115 * Number of hash chains in the multicast forwarding database. 116 */ 117 #define VSW_NCHAINS 8 118 119 /* Number of transmit descriptors - must be power of 2 */ 120 #define VSW_RING_NUM_EL 512 121 122 /* 123 * State of interface if switch plumbed as network device. 124 */ 125 #define VSW_IF_REG 0x1 /* interface was registered */ 126 #define VSW_IF_UP 0x2 /* Interface UP */ 127 #define VSW_IF_PROMISC 0x4 /* Interface in promiscious mode */ 128 129 #define VSW_U_P(state) \ 130 (state == (VSW_IF_UP | VSW_IF_PROMISC)) 131 132 /* 133 * Switching modes. 134 */ 135 #define VSW_LAYER2 0x1 /* Layer 2 - MAC switching */ 136 #define VSW_LAYER2_PROMISC 0x2 /* Layer 2 + promisc mode */ 137 #define VSW_LAYER3 0x4 /* Layer 3 - IP switching */ 138 139 #define NUM_SMODES 3 /* number of switching modes */ 140 141 #define VSW_PRI_ETH_DEFINED(vswp) ((vswp)->pri_num_types != 0) 142 143 /* 144 * vsw instance state information. 145 */ 146 typedef struct vsw { 147 int instance; /* instance # */ 148 dev_info_t *dip; /* associated dev_info */ 149 uint64_t regprop; /* "reg" property */ 150 struct vsw *next; /* next in list */ 151 char physname[LIFNAMSIZ]; /* phys-dev */ 152 uint8_t smode[NUM_SMODES]; /* switching mode */ 153 int smode_idx; /* curr pos in smode array */ 154 int smode_num; /* # of modes specified */ 155 kmutex_t swtmout_lock; /* setup switching tmout lock */ 156 boolean_t swtmout_enabled; /* setup switching tmout on */ 157 timeout_id_t swtmout_id; /* setup switching tmout id */ 158 uint32_t switching_setup_done; /* setup switching done */ 159 int mac_open_retries; /* mac_open() retry count */ 160 vsw_port_list_t plist; /* associated ports */ 161 ddi_taskq_t *taskq_p; /* VIO ctrl msg taskq */ 162 mod_hash_t *fdb_hashp; /* forwarding database */ 163 uint32_t fdb_nchains; /* # of hash chains in fdb */ 164 mod_hash_t *vlan_hashp; /* vlan hash table */ 165 uint32_t vlan_nchains; /* # of vlan hash chains */ 166 uint32_t max_frame_size; /* max frame size supported */ 167 168 mod_hash_t *mfdb; /* multicast FDB */ 169 krwlock_t mfdbrw; /* rwlock for mFDB */ 170 171 vio_mblk_pool_t *rxh; /* Receive pool handle */ 172 void (*vsw_switch_frame) 173 (struct vsw *, mblk_t *, int, 174 vsw_port_t *, mac_resource_handle_t); 175 176 /* mac layer */ 177 krwlock_t mac_rwlock; /* protect fields below */ 178 mac_handle_t mh; 179 mac_rx_handle_t mrh; 180 multiaddress_capab_t maddr; /* Multiple uni addr capable */ 181 const mac_txinfo_t *txinfo; /* MAC tx routine */ 182 boolean_t mstarted; /* Mac Started? */ 183 boolean_t mresources; /* Mac Resources cb? */ 184 185 /* 186 * MAC Ring Resources. 187 */ 188 kmutex_t mac_ring_lock; /* Lock for the table. */ 189 uint32_t mac_ring_tbl_sz; 190 vsw_mac_ring_t *mac_ring_tbl; /* Mac ring table. */ 191 192 kmutex_t hw_lock; /* sync access to HW */ 193 boolean_t recfg_reqd; /* Reconfig of addrs needed */ 194 int promisc_cnt; 195 196 /* Machine Description updates */ 197 mdeg_node_spec_t *inst_spec; 198 mdeg_handle_t mdeg_hdl; 199 mdeg_handle_t mdeg_port_hdl; 200 201 /* if configured as an ethernet interface */ 202 mac_handle_t if_mh; /* MAC handle */ 203 struct ether_addr if_addr; /* interface address */ 204 krwlock_t if_lockrw; 205 uint8_t if_state; /* interface state */ 206 207 mac_addr_slot_t addr_slot; /* Unicast address slot */ 208 int addr_set; /* Addr set where */ 209 210 /* multicast addresses when configured as eth interface */ 211 kmutex_t mca_lock; /* multicast lock */ 212 mcst_addr_t *mcap; /* list of multicast addrs */ 213 214 uint32_t pri_num_types; /* # of priority eth types */ 215 uint16_t *pri_types; /* priority eth types */ 216 vio_mblk_pool_t *pri_tx_vmp; /* tx priority mblk pool */ 217 uint16_t default_vlan_id; /* default vlan id */ 218 uint16_t pvid; /* port vlan id (untagged) */ 219 uint16_t *vids; /* vlan ids (tagged) */ 220 uint16_t nvids; /* # of vids */ 221 uint32_t vids_size; /* size alloc'd for vids list */ 222 223 /* HybridIO related fields */ 224 boolean_t hio_capable; /* Phys dev HIO capable */ 225 vsw_hio_t vhio; /* HybridIO info */ 226 callb_id_t hio_reboot_cb_id; /* Reboot callb ID */ 227 callb_id_t hio_panic_cb_id; /* Panic callb ID */ 228 } vsw_t; 229 230 /* 231 * The flags that are used by vsw_mac_rx(). 232 */ 233 typedef enum { 234 VSW_MACRX_PROMISC = 0x01, 235 VSW_MACRX_COPYMSG = 0x02, 236 VSW_MACRX_FREEMSG = 0x04 237 } vsw_macrx_flags_t; 238 239 240 #ifdef DEBUG 241 242 extern int vswdbg; 243 extern void vswdebug(vsw_t *vswp, const char *fmt, ...); 244 245 #define D1(...) \ 246 if (vswdbg & 0x01) \ 247 vswdebug(__VA_ARGS__) 248 249 #define D2(...) \ 250 if (vswdbg & 0x02) \ 251 vswdebug(__VA_ARGS__) 252 253 #define D3(...) \ 254 if (vswdbg & 0x04) \ 255 vswdebug(__VA_ARGS__) 256 257 #define DWARN(...) \ 258 if (vswdbg & 0x08) \ 259 vswdebug(__VA_ARGS__) 260 261 #define DERR(...) \ 262 if (vswdbg & 0x10) \ 263 vswdebug(__VA_ARGS__) 264 265 #else 266 267 #define DERR(...) if (0) do { } while (0) 268 #define DWARN(...) if (0) do { } while (0) 269 #define D1(...) if (0) do { } while (0) 270 #define D2(...) if (0) do { } while (0) 271 #define D3(...) if (0) do { } while (0) 272 273 #endif /* DEBUG */ 274 275 276 #ifdef __cplusplus 277 } 278 #endif 279 280 #endif /* _VSW_H */ 281