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 #ifdef __cplusplus 37 extern "C" { 38 #endif 39 40 #include <sys/vio_mailbox.h> 41 #include <sys/vnet_common.h> 42 #include <sys/ethernet.h> 43 #include <sys/mac_client.h> 44 #include <sys/vio_util.h> 45 #include <sys/vgen_stats.h> 46 #include <sys/vsw_ldc.h> 47 #include <sys/vsw_hio.h> 48 #include <sys/callb.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 * Number of hash chains in the multicast forwarding database. 64 */ 65 #define VSW_NCHAINS 8 66 67 /* Number of transmit descriptors - must be power of 2 */ 68 #define VSW_RING_NUM_EL 512 69 70 /* 71 * State of interface if switch plumbed as network device. 72 */ 73 #define VSW_IF_REG 0x1 /* interface was registered */ 74 #define VSW_IF_UP 0x2 /* Interface UP */ 75 #define VSW_IF_PROMISC 0x4 /* Interface in promiscious mode */ 76 77 #define VSW_U_P(state) \ 78 (state == (VSW_IF_UP | VSW_IF_PROMISC)) 79 80 /* 81 * Switching modes. 82 */ 83 #define VSW_LAYER2 0x1 /* Layer 2 - MAC switching */ 84 #define VSW_LAYER2_PROMISC 0x2 /* Layer 2 + promisc mode */ 85 #define VSW_LAYER3 0x4 /* Layer 3 - IP switching */ 86 87 #define NUM_SMODES 3 /* number of switching modes */ 88 89 #define VSW_PRI_ETH_DEFINED(vswp) ((vswp)->pri_num_types != 0) 90 91 typedef enum { 92 VSW_SWTHR_STOP = 0x1 93 } sw_thr_flags_t; 94 95 /* 96 * vlan-id information. 97 */ 98 typedef struct vsw_vlanid { 99 uint16_t vl_vid; /* vlan-id */ 100 mac_unicast_handle_t vl_muh; /* mac unicast handle */ 101 boolean_t vl_set; /* set? */ 102 } vsw_vlanid_t; 103 104 /* 105 * vsw instance state information. 106 */ 107 typedef struct vsw { 108 int instance; /* instance # */ 109 dev_info_t *dip; /* associated dev_info */ 110 uint64_t regprop; /* "reg" property */ 111 struct vsw *next; /* next in list */ 112 char physname[LIFNAMSIZ]; /* phys-dev */ 113 uint8_t smode; /* switching mode */ 114 kmutex_t sw_thr_lock; /* setup switching thr lock */ 115 kcondvar_t sw_thr_cv; /* cv for setup switching thr */ 116 kthread_t *sw_thread; /* setup switching thread */ 117 sw_thr_flags_t sw_thr_flags; /* setup switching thr flags */ 118 uint32_t switching_setup_done; /* setup switching done */ 119 int mac_open_retries; /* mac_open() retry count */ 120 vsw_port_list_t plist; /* associated ports */ 121 ddi_taskq_t *taskq_p; /* VIO ctrl msg taskq */ 122 mod_hash_t *fdb_hashp; /* forwarding database */ 123 uint32_t fdb_nchains; /* # of hash chains in fdb */ 124 mod_hash_t *vlan_hashp; /* vlan hash table */ 125 uint32_t vlan_nchains; /* # of vlan hash chains */ 126 uint32_t mtu; /* mtu of the device */ 127 uint32_t max_frame_size; /* max frame size supported */ 128 uint32_t mtu_physdev_orig; /* orig mtu of the physdev */ 129 130 mod_hash_t *mfdb; /* multicast FDB */ 131 krwlock_t mfdbrw; /* rwlock for mFDB */ 132 133 vio_mblk_pool_t *rxh; /* Receive pool handle */ 134 void (*vsw_switch_frame) 135 (struct vsw *, mblk_t *, int, 136 vsw_port_t *, mac_resource_handle_t); 137 138 /* mac layer */ 139 kmutex_t mac_lock; /* protect mh */ 140 mac_handle_t mh; 141 krwlock_t maccl_rwlock; /* protect fields below */ 142 mac_client_handle_t mch; /* mac client handle */ 143 mac_unicast_handle_t muh; /* mac unicast handle */ 144 145 boolean_t recfg_reqd; /* Reconfig of addrs needed */ 146 147 /* mac layer switching flag */ 148 boolean_t mac_cl_switching; 149 150 /* Machine Description updates */ 151 mdeg_node_spec_t *inst_spec; 152 mdeg_handle_t mdeg_hdl; 153 mdeg_handle_t mdeg_port_hdl; 154 155 /* if configured as an ethernet interface */ 156 mac_handle_t if_mh; /* MAC handle */ 157 struct ether_addr if_addr; /* interface address */ 158 krwlock_t if_lockrw; 159 uint8_t if_state; /* interface state */ 160 161 boolean_t addr_set; /* is addr set to HW */ 162 163 /* multicast addresses when configured as eth interface */ 164 kmutex_t mca_lock; /* multicast lock */ 165 mcst_addr_t *mcap; /* list of multicast addrs */ 166 167 uint32_t pri_num_types; /* # of priority eth types */ 168 uint16_t *pri_types; /* priority eth types */ 169 vio_mblk_pool_t *pri_tx_vmp; /* tx priority mblk pool */ 170 uint16_t default_vlan_id; /* default vlan id */ 171 uint16_t pvid; /* port vlan id (untagged) */ 172 vsw_vlanid_t *vids; /* vlan ids (tagged) */ 173 uint16_t nvids; /* # of vids */ 174 uint32_t vids_size; /* size alloc'd for vids list */ 175 176 /* HybridIO related fields */ 177 boolean_t hio_capable; /* Phys dev HIO capable */ 178 vsw_hio_t vhio; /* HybridIO info */ 179 callb_id_t hio_reboot_cb_id; /* Reboot callb ID */ 180 callb_id_t hio_panic_cb_id; /* Panic callb ID */ 181 } vsw_t; 182 183 /* 184 * The flags that are used by vsw_mac_rx(). 185 */ 186 typedef enum { 187 VSW_MACRX_PROMISC = 0x01, 188 VSW_MACRX_COPYMSG = 0x02, 189 VSW_MACRX_FREEMSG = 0x04 190 } vsw_macrx_flags_t; 191 192 193 #ifdef DEBUG 194 195 extern int vswdbg; 196 extern void vswdebug(vsw_t *vswp, const char *fmt, ...); 197 198 #define D1(...) \ 199 if (vswdbg & 0x01) \ 200 vswdebug(__VA_ARGS__) 201 202 #define D2(...) \ 203 if (vswdbg & 0x02) \ 204 vswdebug(__VA_ARGS__) 205 206 #define D3(...) \ 207 if (vswdbg & 0x04) \ 208 vswdebug(__VA_ARGS__) 209 210 #define DWARN(...) \ 211 if (vswdbg & 0x08) \ 212 vswdebug(__VA_ARGS__) 213 214 #define DERR(...) \ 215 if (vswdbg & 0x10) \ 216 vswdebug(__VA_ARGS__) 217 218 #else 219 220 #define DERR(...) if (0) do { } while (0) 221 #define DWARN(...) if (0) do { } while (0) 222 #define D1(...) if (0) do { } while (0) 223 #define D2(...) if (0) do { } while (0) 224 #define D3(...) if (0) do { } while (0) 225 226 #endif /* DEBUG */ 227 228 229 #ifdef __cplusplus 230 } 231 #endif 232 233 #endif /* _VSW_H */ 234