1 5084 johnlev /* 2 5084 johnlev * CDDL HEADER START 3 5084 johnlev * 4 5084 johnlev * The contents of this file are subject to the terms of the 5 5084 johnlev * Common Development and Distribution License (the "License"). 6 5084 johnlev * You may not use this file except in compliance with the License. 7 5084 johnlev * 8 5084 johnlev * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 5084 johnlev * or http://www.opensolaris.org/os/licensing. 10 5084 johnlev * See the License for the specific language governing permissions 11 5084 johnlev * and limitations under the License. 12 5084 johnlev * 13 5084 johnlev * When distributing Covered Code, include this CDDL HEADER in each 14 5084 johnlev * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 5084 johnlev * If applicable, add the following below this CDDL HEADER, with the 16 5084 johnlev * fields enclosed by brackets "[]" replaced with your own identifying 17 5084 johnlev * information: Portions Copyright [yyyy] [name of copyright owner] 18 5084 johnlev * 19 5084 johnlev * CDDL HEADER END 20 5084 johnlev */ 21 5084 johnlev 22 5084 johnlev /* 23 10958 dme * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 24 5084 johnlev * Use is subject to license terms. 25 5084 johnlev * 26 5084 johnlev * xnb.h - definitions for Xen dom0 network driver 27 5084 johnlev */ 28 5084 johnlev 29 5084 johnlev #ifndef _SYS_XNB_H 30 5084 johnlev #define _SYS_XNB_H 31 5084 johnlev 32 5084 johnlev #include <sys/types.h> 33 5084 johnlev #include <sys/kstat.h> 34 5084 johnlev #include <sys/stream.h> 35 5084 johnlev #include <sys/ethernet.h> 36 5084 johnlev #include <sys/hypervisor.h> 37 5084 johnlev #include <xen/public/io/netif.h> 38 5084 johnlev 39 5084 johnlev #ifdef __cplusplus 40 5084 johnlev extern "C" { 41 5084 johnlev #endif 42 5084 johnlev 43 5084 johnlev #define NET_TX_RING_SIZE __RING_SIZE((netif_tx_sring_t *)0, PAGESIZE) 44 5084 johnlev #define NET_RX_RING_SIZE __RING_SIZE((netif_rx_sring_t *)0, PAGESIZE) 45 5084 johnlev 46 5084 johnlev #define XNBMAXPKT 1500 /* MTU size */ 47 5084 johnlev 48 5084 johnlev /* DEBUG flags */ 49 5084 johnlev #define XNBDDI 0x01 50 5084 johnlev #define XNBTRACE 0x02 51 5084 johnlev #define XNBSEND 0x04 52 5084 johnlev #define XNBRECV 0x08 53 5084 johnlev #define XNBINTR 0x10 54 5084 johnlev #define XNBRING 0x20 55 5084 johnlev #define XNBCKSUM 0x40 56 5084 johnlev 57 10958 dme #define XNB_STATE_INIT 0x01 58 10958 dme #define XNB_STATE_READY 0x02 59 10958 dme 60 5084 johnlev typedef struct xnb xnb_t; 61 5084 johnlev 62 5084 johnlev /* 63 5084 johnlev * The xnb module provides core inter-domain network protocol functionality. 64 5084 johnlev * It is connected to the rest of Solaris in two ways: 65 5084 johnlev * - as a GLDv3 driver (with xnbu), 66 5084 johnlev * - as a GLDv3 consumer (with xnbo). 67 5084 johnlev * 68 5084 johnlev * The different modes of operation are termed "flavours" and each 69 5084 johnlev * instance of an xnb based driver operates in one and only one mode. 70 5084 johnlev * The common xnb driver exports a set of functions to these drivers 71 5084 johnlev * (declarations at the foot of this file) and calls back into the 72 5084 johnlev * drivers via the xnb_flavour_t structure. 73 5084 johnlev */ 74 5084 johnlev typedef struct xnb_flavour { 75 7615 Max void (*xf_from_peer)(xnb_t *, mblk_t *); 76 10958 dme boolean_t (*xf_peer_connected)(xnb_t *); 77 5084 johnlev void (*xf_peer_disconnected)(xnb_t *); 78 5084 johnlev boolean_t (*xf_hotplug_connected)(xnb_t *); 79 10958 dme boolean_t (*xf_start_connect)(xnb_t *); 80 5084 johnlev mblk_t *(*xf_cksum_from_peer)(xnb_t *, mblk_t *, uint16_t); 81 5084 johnlev uint16_t (*xf_cksum_to_peer)(xnb_t *, mblk_t *); 82 10958 dme boolean_t (*xf_mcast_add)(xnb_t *, ether_addr_t *); 83 10958 dme boolean_t (*xf_mcast_del)(xnb_t *, ether_addr_t *); 84 5084 johnlev } xnb_flavour_t; 85 5084 johnlev 86 7615 Max typedef struct xnb_txbuf { 87 7615 Max frtn_t xt_free_rtn; 88 7615 Max xnb_t *xt_xnbp; 89 10958 dme struct xnb_txbuf *xt_next; 90 7615 Max RING_IDX xt_id; 91 10958 dme RING_IDX xt_idx; 92 7615 Max uint16_t xt_status; 93 10958 dme 94 10958 dme ddi_dma_handle_t xt_dma_handle; 95 10958 dme ddi_acc_handle_t xt_acc_handle; 96 10958 dme caddr_t xt_buf; 97 10958 dme size_t xt_buflen; 98 10958 dme mfn_t xt_mfn; 99 10958 dme 100 10958 dme mblk_t *xt_mblk; 101 10958 dme 102 7615 Max unsigned int xt_flags; 103 5084 johnlev 104 7615 Max #define XNB_TXBUF_INUSE 0x01 105 5084 johnlev 106 7615 Max } xnb_txbuf_t; 107 5084 johnlev 108 5084 johnlev /* Per network-interface-controller driver private structure */ 109 5084 johnlev struct xnb { 110 5084 johnlev /* most interesting stuff first to assist debugging */ 111 5741 mrj dev_info_t *xnb_devinfo; /* System per-device info. */ 112 5084 johnlev 113 5741 mrj xnb_flavour_t *xnb_flavour; 114 5741 mrj void *xnb_flavour_data; 115 5084 johnlev 116 5741 mrj boolean_t xnb_irq; 117 5741 mrj unsigned char xnb_mac_addr[ETHERADDRL]; 118 5084 johnlev 119 5741 mrj uint64_t xnb_stat_ipackets; 120 5741 mrj uint64_t xnb_stat_opackets; 121 5741 mrj uint64_t xnb_stat_rbytes; 122 5741 mrj uint64_t xnb_stat_obytes; 123 5084 johnlev 124 5741 mrj uint64_t xnb_stat_intr; 125 7615 Max uint64_t xnb_stat_rx_defer; 126 5084 johnlev 127 7615 Max uint64_t xnb_stat_rx_cksum_deferred; 128 7615 Max uint64_t xnb_stat_tx_cksum_no_need; 129 5084 johnlev 130 7615 Max uint64_t xnb_stat_rx_rsp_notok; 131 5990 schuster 132 5741 mrj uint64_t xnb_stat_tx_notify_sent; 133 5741 mrj uint64_t xnb_stat_tx_notify_deferred; 134 5084 johnlev 135 5741 mrj uint64_t xnb_stat_rx_notify_sent; 136 5741 mrj uint64_t xnb_stat_rx_notify_deferred; 137 5084 johnlev 138 5741 mrj uint64_t xnb_stat_tx_too_early; 139 5741 mrj uint64_t xnb_stat_rx_too_early; 140 5741 mrj uint64_t xnb_stat_rx_allocb_failed; 141 5741 mrj uint64_t xnb_stat_tx_allocb_failed; 142 7615 Max uint64_t xnb_stat_rx_foreign_page; 143 5741 mrj uint64_t xnb_stat_mac_full; 144 5741 mrj uint64_t xnb_stat_spurious_intr; 145 5741 mrj uint64_t xnb_stat_allocation_success; 146 5741 mrj uint64_t xnb_stat_allocation_failure; 147 5741 mrj uint64_t xnb_stat_small_allocation_success; 148 5741 mrj uint64_t xnb_stat_small_allocation_failure; 149 5741 mrj uint64_t xnb_stat_other_allocation_failure; 150 5084 johnlev 151 7615 Max uint64_t xnb_stat_rx_pagebndry_crossed; 152 7615 Max uint64_t xnb_stat_rx_cpoparea_grown; 153 5084 johnlev 154 5741 mrj uint64_t xnb_stat_csum_hardware; 155 5741 mrj uint64_t xnb_stat_csum_software; 156 5084 johnlev 157 5741 mrj kstat_t *xnb_kstat_aux; 158 5084 johnlev 159 5741 mrj ddi_iblock_cookie_t xnb_icookie; 160 5084 johnlev 161 5741 mrj kmutex_t xnb_rx_lock; 162 5741 mrj kmutex_t xnb_tx_lock; 163 10958 dme kmutex_t xnb_state_lock; 164 5084 johnlev 165 10958 dme int xnb_be_status; 166 10958 dme int xnb_fe_status; 167 10958 dme 168 10958 dme kmem_cache_t *xnb_tx_buf_cache; 169 10958 dme uint32_t xnb_tx_buf_count; 170 10958 dme int xnb_tx_buf_outstanding; 171 5084 johnlev 172 5741 mrj netif_rx_back_ring_t xnb_rx_ring; /* rx interface struct ptr */ 173 5741 mrj void *xnb_rx_ring_addr; 174 5741 mrj grant_ref_t xnb_rx_ring_ref; 175 5741 mrj grant_handle_t xnb_rx_ring_handle; 176 5084 johnlev 177 5741 mrj netif_tx_back_ring_t xnb_tx_ring; /* tx interface struct ptr */ 178 5741 mrj void *xnb_tx_ring_addr; 179 5741 mrj grant_ref_t xnb_tx_ring_ref; 180 5741 mrj grant_handle_t xnb_tx_ring_handle; 181 5084 johnlev 182 5741 mrj boolean_t xnb_connected; 183 5741 mrj boolean_t xnb_hotplugged; 184 5741 mrj boolean_t xnb_detachable; 185 5741 mrj int xnb_evtchn; /* channel to front end */ 186 10958 dme evtchn_port_t xnb_fe_evtchn; 187 5741 mrj domid_t xnb_peer; 188 5084 johnlev 189 10958 dme xnb_txbuf_t *xnb_tx_bufp[NET_TX_RING_SIZE]; 190 10958 dme gnttab_copy_t xnb_tx_cop[NET_TX_RING_SIZE]; 191 5741 mrj 192 7615 Max caddr_t xnb_rx_va; 193 7615 Max gnttab_transfer_t xnb_rx_top[NET_RX_RING_SIZE]; 194 5741 mrj 195 10958 dme boolean_t xnb_rx_hv_copy; 196 10958 dme boolean_t xnb_multicast_control; 197 10958 dme boolean_t xnb_no_csum_offload; 198 10958 dme 199 7615 Max gnttab_copy_t *xnb_rx_cpop; 200 5741 mrj #define CPOP_DEFCNT 8 201 10958 dme size_t xnb_rx_cpop_count; /* in elements */ 202 5084 johnlev }; 203 5084 johnlev 204 5084 johnlev extern int xnb_attach(dev_info_t *, xnb_flavour_t *, void *); 205 5084 johnlev extern void xnb_detach(dev_info_t *); 206 5741 mrj extern mblk_t *xnb_copy_to_peer(xnb_t *, mblk_t *); 207 5084 johnlev extern mblk_t *xnb_process_cksum_flags(xnb_t *, mblk_t *, uint32_t); 208 5084 johnlev 209 5084 johnlev #ifdef __cplusplus 210 5084 johnlev } 211 5084 johnlev #endif 212 5084 johnlev 213 5084 johnlev #endif /* _SYS_XNB_H */ 214
Indexes created Fri Nov 27 17:59:51 UTC 2009
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