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 2009 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 typedef enum { 96 PROG_init = 0x00, 97 PROG_locks = 0x01, 98 PROG_readmd = 0x02, 99 PROG_fdb = 0x04, 100 PROG_mfdb = 0x08, 101 PROG_taskq = 0x10, 102 PROG_rxp_taskq = 0x20, 103 PROG_swmode = 0x40, 104 PROG_macreg = 0x80, 105 PROG_mdreg = 0x100 106 } vsw_attach_progress_t; 107 108 /* 109 * vlan-id information. 110 */ 111 typedef struct vsw_vlanid { 112 uint16_t vl_vid; /* vlan-id */ 113 mac_unicast_handle_t vl_muh; /* mac unicast handle */ 114 boolean_t vl_set; /* set? */ 115 } vsw_vlanid_t; 116 117 /* 118 * vsw instance state information. 119 */ 120 typedef struct vsw { 121 int instance; /* instance # */ 122 dev_info_t *dip; /* associated dev_info */ 123 uint64_t regprop; /* "reg" property */ 124 vsw_attach_progress_t attach_progress; /* attach progress flags */ 125 struct vsw *next; /* next in list */ 126 char physname[LIFNAMSIZ]; /* phys-dev */ 127 uint8_t smode; /* switching mode */ 128 kmutex_t sw_thr_lock; /* setup switching thr lock */ 129 kcondvar_t sw_thr_cv; /* cv for setup switching thr */ 130 kthread_t *sw_thread; /* setup switching thread */ 131 sw_thr_flags_t sw_thr_flags; /* setup switching thr flags */ 132 uint32_t switching_setup_done; /* setup switching done */ 133 int mac_open_retries; /* mac_open() retry count */ 134 vsw_port_list_t plist; /* associated ports */ 135 ddi_taskq_t *taskq_p; /* VIO ctrl msg taskq */ 136 mod_hash_t *fdb_hashp; /* forwarding database */ 137 uint32_t fdb_nchains; /* # of hash chains in fdb */ 138 mod_hash_t *vlan_hashp; /* vlan hash table */ 139 uint32_t vlan_nchains; /* # of vlan hash chains */ 140 uint32_t mtu; /* mtu of the device */ 141 uint32_t max_frame_size; /* max frame size supported */ 142 uint32_t mtu_physdev_orig; /* orig mtu of the physdev */ 143 144 mod_hash_t *mfdb; /* multicast FDB */ 145 krwlock_t mfdbrw; /* rwlock for mFDB */ 146 147 ddi_taskq_t *rxp_taskq; /* VIO rx pool taskq */ 148 void (*vsw_switch_frame) 149 (struct vsw *, mblk_t *, int, 150 vsw_port_t *, mac_resource_handle_t); 151 152 /* mac layer */ 153 kmutex_t mac_lock; /* protect mh */ 154 mac_handle_t mh; 155 krwlock_t maccl_rwlock; /* protect fields below */ 156 mac_client_handle_t mch; /* mac client handle */ 157 mac_unicast_handle_t muh; /* mac unicast handle */ 158 mac_notify_handle_t mnh; /* mac notify handle */ 159 160 boolean_t recfg_reqd; /* Reconfig of addrs needed */ 161 162 /* mac layer switching flag */ 163 boolean_t mac_cl_switching; 164 165 /* Machine Description updates */ 166 mdeg_node_spec_t *inst_spec; 167 mdeg_handle_t mdeg_hdl; 168 mdeg_handle_t mdeg_port_hdl; 169 170 /* if configured as an ethernet interface */ 171 mac_handle_t if_mh; /* MAC handle */ 172 struct ether_addr if_addr; /* interface address */ 173 krwlock_t if_lockrw; 174 uint8_t if_state; /* interface state */ 175 176 boolean_t addr_set; /* is addr set to HW */ 177 178 /* multicast addresses when configured as eth interface */ 179 kmutex_t mca_lock; /* multicast lock */ 180 mcst_addr_t *mcap; /* list of multicast addrs */ 181 182 uint32_t pri_num_types; /* # of priority eth types */ 183 uint16_t *pri_types; /* priority eth types */ 184 vio_mblk_pool_t *pri_tx_vmp; /* tx priority mblk pool */ 185 uint16_t default_vlan_id; /* default vlan id */ 186 uint16_t pvid; /* port vlan id (untagged) */ 187 vsw_vlanid_t *vids; /* vlan ids (tagged) */ 188 uint16_t nvids; /* # of vids */ 189 uint32_t vids_size; /* size alloc'd for vids list */ 190 191 /* HybridIO related fields */ 192 boolean_t hio_capable; /* Phys dev HIO capable */ 193 vsw_hio_t vhio; /* HybridIO info */ 194 callb_id_t hio_reboot_cb_id; /* Reboot callb ID */ 195 callb_id_t hio_panic_cb_id; /* Panic callb ID */ 196 197 /* Link-state related fields */ 198 boolean_t phys_no_link_update; /* no link-update supp */ 199 boolean_t pls_update; /* phys link state update ? */ 200 link_state_t phys_link_state; /* physical link state */ 201 202 /* bandwidth related fields */ 203 uint64_t bandwidth; /* bandwidth limit */ 204 } vsw_t; 205 206 /* 207 * The flags that are used by vsw_mac_rx(). 208 */ 209 typedef enum { 210 VSW_MACRX_PROMISC = 0x01, 211 VSW_MACRX_COPYMSG = 0x02, 212 VSW_MACRX_FREEMSG = 0x04 213 } vsw_macrx_flags_t; 214 215 216 #ifdef DEBUG 217 218 extern int vswdbg; 219 extern void vswdebug(vsw_t *vswp, const char *fmt, ...); 220 221 #define D1(...) \ 222 if (vswdbg & 0x01) \ 223 vswdebug(__VA_ARGS__) 224 225 #define D2(...) \ 226 if (vswdbg & 0x02) \ 227 vswdebug(__VA_ARGS__) 228 229 #define D3(...) \ 230 if (vswdbg & 0x04) \ 231 vswdebug(__VA_ARGS__) 232 233 #define DWARN(...) \ 234 if (vswdbg & 0x08) \ 235 vswdebug(__VA_ARGS__) 236 237 #define DERR(...) \ 238 if (vswdbg & 0x10) \ 239 vswdebug(__VA_ARGS__) 240 241 #else 242 243 #define DERR(...) if (0) do { } while (0) 244 #define DWARN(...) if (0) do { } while (0) 245 #define D1(...) if (0) do { } while (0) 246 #define D2(...) if (0) do { } while (0) 247 #define D3(...) if (0) do { } while (0) 248 249 #endif /* DEBUG */ 250 251 252 #ifdef __cplusplus 253 } 254 #endif 255 256 #endif /* _VSW_H */ 257