Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]
FreeBSD/Linux Kernel Cross Reference
sys/chips/nc.h
Version:
- FREEBSD - FREEBSD-13-STABLE - FREEBSD-13-0 - FREEBSD-12-STABLE - FREEBSD-12-0 - FREEBSD-11-STABLE - FREEBSD-11-0 - FREEBSD-10-STABLE - FREEBSD-10-0 - FREEBSD-9-STABLE - FREEBSD-9-0 - FREEBSD-8-STABLE - FREEBSD-8-0 - FREEBSD-7-STABLE - FREEBSD-7-0 - FREEBSD-6-STABLE - FREEBSD-6-0 - FREEBSD-5-STABLE - FREEBSD-5-0 - FREEBSD-4-STABLE - FREEBSD-3-STABLE - FREEBSD22 - l41 - OPENBSD - linux-2.6 - MK84 - PLAN9 - xnu-8792
SearchContext: - none - 3 - 10
SearchContext: - none - 3 - 10
1 /* 2 * Mach Operating System 3 * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University 4 * All Rights Reserved. 5 * 6 * Permission to use, copy, modify and distribute this software and its 7 * documentation is hereby granted, provided that both the copyright 8 * notice and this permission notice appear in all copies of the 9 * software, derivative works or modified versions, and any portions 10 * thereof, and that both notices appear in supporting documentation. 11 * 12 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 13 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR 14 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 15 * 16 * Carnegie Mellon requests users of this software to return to 17 * 18 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 19 * School of Computer Science 20 * Carnegie Mellon University 21 * Pittsburgh PA 15213-3890 22 * 23 * any improvements or extensions that they make and grant Carnegie Mellon 24 * the rights to redistribute these changes. 25 */ 26 /* 27 * HISTORY 28 * $Log: nc.h,v $ 29 * Revision 2.2 93/08/10 15:18:35 mrt 30 * Initial check-in. 31 * [93/06/09 15:56:14 jcb] 32 * 33 * 34 */ 35 36 /*** NETWORK INTERFACE IMPLEMENTATION CORE ***/ 37 38 #ifndef _NC_H_ 39 #define _NC_H_ 40 41 #ifndef STUB 42 #include <chips/nw.h> 43 #else 44 #include "nw.h" 45 #endif 46 47 /*** Types and data structures ***/ 48 49 #if PRODUCTION 50 #define MAX_EP 1024 51 #define MAX_DEV 16 52 #else 53 #define MAX_EP 32 54 #define MAX_DEV 3 55 #endif 56 57 #define MASTER_LINE_EP 0 58 #define SIGNAL_EP 1 59 60 typedef struct nw_tx_headers { 61 nw_buffer_t buffer; 62 u_int msg_length; 63 char *block; 64 u_int block_length; 65 nw_peer_s peer; 66 nw_ep sender; 67 nw_options options; 68 struct nw_tx_headers *next; 69 } nw_tx_header_s; 70 71 typedef nw_tx_header_s *nw_tx_header_t; 72 73 typedef struct nw_rx_headers { 74 nw_buffer_t buffer; 75 nw_ep receiver; 76 u_int reply; 77 int time_stamp; 78 struct nw_rx_headers *next; 79 } nw_rx_header_s, *nw_rx_header_t; 80 81 typedef enum { 82 NW_CONNECTIONLESS, 83 NW_CONNECTION_ORIENTED 84 } nw_dev_type; 85 86 87 typedef struct { 88 nw_result (*initialize)(int); 89 nw_result (*status)(int); 90 void (*slow_sweep)(int); 91 void (*fast_sweep)(int); 92 int (*poll)(int); 93 nw_result (*send)(nw_ep, nw_tx_header_t, nw_options); 94 nw_buffer_t (*rpc)(nw_ep, nw_tx_header_t, nw_options); 95 void (*signal)(nw_buffer_t); 96 nw_result (*open)(nw_ep, nw_address_1, nw_address_2, nw_ep); 97 nw_result (*accept)(nw_ep, nw_buffer_t, nw_ep_t); 98 nw_result (*close)(nw_ep); 99 nw_result (*add)(nw_ep, nw_address_1, nw_address_2, nw_ep); 100 nw_result (*drop)(nw_ep, nw_address_1, nw_address_2, nw_ep); 101 } nw_dev_entry_s, *nw_dev_entry_t; 102 103 typedef struct { 104 nw_result status; 105 nw_dev_type type; 106 char *addr; 107 nw_address_1 local_addr_1; 108 nw_address_2 local_addr_2; 109 nw_dev_entry_t entry; 110 int fast_req; 111 } nw_devcb; 112 113 extern nw_devcb devct[MAX_DEV]; 114 115 typedef struct plists { 116 nw_peer_s peer; 117 struct plists *next; 118 } nw_plist_s, *nw_plist_t; 119 120 typedef struct nw_unused_buffers { 121 u_int buf_used:1; 122 u_int buf_length:31; 123 struct nw_unused_buffers *next; 124 struct nw_unused_buffers *previous; 125 } nw_unused_buffer_s, *nw_unused_buffer_t; 126 127 typedef struct ecbs{ 128 nw_protocol protocol; 129 nw_acceptance accept; 130 nw_state state; 131 nw_plist_t conn; 132 char *buf_start; 133 char *buf_end; 134 nw_unused_buffer_t free_buffer; 135 nw_ep id:16; 136 u_int overrun:1; 137 u_int seqno:14; 138 nw_tx_header_t tx_first; 139 nw_tx_header_t tx_last; 140 nw_tx_header_t tx_initial; 141 nw_tx_header_t tx_current; 142 nw_rx_header_t rx_first; 143 nw_rx_header_t rx_last; 144 nw_ep next:16; 145 nw_ep previous:16; 146 } nw_ecb, *nw_ecb_t; 147 148 extern nw_ecb ect[MAX_EP]; 149 150 extern int nw_free_ep_first, nw_free_ep_last; 151 extern int nw_free_line_first, nw_free_line_last; 152 153 typedef enum { 154 NW_RECEIVE, 155 NW_RECEIVE_URGENT, 156 NW_SEND, 157 NW_SIGNAL 158 } nw_delivery; 159 160 161 /*** System-independent functions implemented in core ***/ 162 163 extern void nc_initialize(); 164 165 extern nw_tx_header_t nc_tx_header_allocate(); 166 167 extern void nc_tx_header_deallocate(nw_tx_header_t header); 168 169 extern nw_rx_header_t nc_rx_header_allocate(); 170 171 extern void nc_rx_header_deallocate(nw_rx_header_t header); 172 173 extern nw_plist_t nc_peer_allocate(); 174 175 extern void nc_peer_deallocate(nw_plist_t peer); 176 177 extern nw_result nc_device_register(u_int dev, nw_dev_type type, 178 char *dev_addr, 179 nw_dev_entry_t dev_entry_table); 180 181 extern nw_result nc_device_unregister(u_int dev, nw_result status); 182 183 extern void nc_fast_sweep(); 184 185 extern void nc_fast_timer_set(); 186 187 extern void nc_fast_timer_reset(); 188 189 extern void nc_slow_sweep(); 190 191 extern nw_result nc_update(nw_update_type up_type, int *up_info); 192 193 extern nw_result nc_lookup(nw_lookup_type lt, int *look_info); 194 195 extern nw_result nc_line_update(nw_peer_t peer, nw_ep line); 196 197 extern nw_ep nc_line_lookup(nw_peer_t peer); 198 199 extern nw_result nc_endpoint_allocate(nw_ep_t epp, nw_protocol protocol, 200 nw_acceptance accept, 201 char *buffer_address, u_int buffer_size); 202 203 extern nw_result nc_endpoint_deallocate(nw_ep ep); 204 205 extern nw_buffer_t nc_buffer_allocate(nw_ep ep, u_int size); 206 207 extern nw_result nc_buffer_deallocate(nw_ep ep, nw_buffer_t buffer); 208 209 extern nw_result nc_endpoint_status(nw_ep ep, 210 nw_state_t state, nw_peer_t peer); 211 212 213 /* System-dependent function implemented in wrapper*/ 214 215 extern boolean_t nc_deliver_result(nw_ep ep, nw_delivery type, int result); 216 217 /* Support required in wrapper */ 218 219 extern void h_initialize(); 220 221 extern void h_fast_timer_set(); 222 223 extern void h_fast_timer_reset(); 224 225 226 /* Stubs for device table */ 227 228 extern nw_result nc_succeed(int); 229 extern nw_result nc_fail(int); 230 extern void nc_null(int); 231 extern int nc_null_poll(int); 232 extern nw_result nc_null_send(nw_ep, nw_tx_header_t, nw_options); 233 extern nw_buffer_t nc_null_rpc(nw_ep, nw_tx_header_t, nw_options); 234 extern nw_result nc_local_send(nw_ep, nw_tx_header_t, nw_options); 235 extern nw_buffer_t nc_local_rpc(nw_ep, nw_tx_header_t, nw_options); 236 extern void nc_null_signal(nw_buffer_t); 237 extern nw_result nc_open_fail(nw_ep, nw_address_1, nw_address_2, nw_ep); 238 extern nw_result nc_accept_fail(nw_ep, nw_buffer_t, nw_ep_t); 239 extern nw_result nc_close_fail(nw_ep); 240 241 #endif /* _NC_H_ */
Cache object: fa091bf7e8c5f66deb0eb52524be4b9e
[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]