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Diffstat (limited to 'chips/nc.h')
-rw-r--r-- | chips/nc.h | 232 |
1 files changed, 0 insertions, 232 deletions
diff --git a/chips/nc.h b/chips/nc.h deleted file mode 100644 index 0e481e8..0000000 --- a/chips/nc.h +++ /dev/null @@ -1,232 +0,0 @@ -/* - * Mach Operating System - * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University - * All Rights Reserved. - * - * Permission to use, copy, modify and distribute this software and its - * documentation is hereby granted, provided that both the copyright - * notice and this permission notice appear in all copies of the - * software, derivative works or modified versions, and any portions - * thereof, and that both notices appear in supporting documentation. - * - * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" - * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR - * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. - * - * Carnegie Mellon requests users of this software to return to - * - * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU - * School of Computer Science - * Carnegie Mellon University - * Pittsburgh PA 15213-3890 - * - * any improvements or extensions that they make and grant Carnegie Mellon - * the rights to redistribute these changes. - */ - -/*** NETWORK INTERFACE IMPLEMENTATION CORE ***/ - -#ifndef _NC_H_ -#define _NC_H_ - -#ifndef STUB -#include <chips/nw.h> -#else -#include "nw.h" -#endif - -/*** Types and data structures ***/ - -#if PRODUCTION -#define MAX_EP 1024 -#define MAX_DEV 16 -#else -#define MAX_EP 32 -#define MAX_DEV 3 -#endif - -#define MASTER_LINE_EP 0 -#define SIGNAL_EP 1 - -typedef struct nw_tx_headers { - nw_buffer_t buffer; - u_int msg_length; - char *block; - u_int block_length; - nw_peer_s peer; - nw_ep sender; - nw_options options; - struct nw_tx_headers *next; -} nw_tx_header_s; - -typedef nw_tx_header_s *nw_tx_header_t; - -typedef struct nw_rx_headers { - nw_buffer_t buffer; - nw_ep receiver; - u_int reply; - int time_stamp; - struct nw_rx_headers *next; -} nw_rx_header_s, *nw_rx_header_t; - -typedef enum { - NW_CONNECTIONLESS, - NW_CONNECTION_ORIENTED -} nw_dev_type; - - -typedef struct { - nw_result (*initialize)(int); - nw_result (*status)(int); - void (*slow_sweep)(int); - void (*fast_sweep)(int); - int (*poll)(int); - nw_result (*send)(nw_ep, nw_tx_header_t, nw_options); - nw_buffer_t (*rpc)(nw_ep, nw_tx_header_t, nw_options); - void (*signal)(nw_buffer_t); - nw_result (*open)(nw_ep, nw_address_1, nw_address_2, nw_ep); - nw_result (*accept)(nw_ep, nw_buffer_t, nw_ep_t); - nw_result (*close)(nw_ep); - nw_result (*add)(nw_ep, nw_address_1, nw_address_2, nw_ep); - nw_result (*drop)(nw_ep, nw_address_1, nw_address_2, nw_ep); -} nw_dev_entry_s, *nw_dev_entry_t; - -typedef struct { - nw_result status; - nw_dev_type type; - char *addr; - nw_address_1 local_addr_1; - nw_address_2 local_addr_2; - nw_dev_entry_t entry; - int fast_req; -} nw_devcb; - -extern nw_devcb devct[MAX_DEV]; - -typedef struct plists { - nw_peer_s peer; - struct plists *next; -} nw_plist_s, *nw_plist_t; - -typedef struct nw_unused_buffers { - u_int buf_used:1; - u_int buf_length:31; - struct nw_unused_buffers *next; - struct nw_unused_buffers *previous; -} nw_unused_buffer_s, *nw_unused_buffer_t; - -typedef struct ecbs{ - nw_protocol protocol; - nw_acceptance accept; - nw_state state; - nw_plist_t conn; - char *buf_start; - char *buf_end; - nw_unused_buffer_t free_buffer; - nw_ep id:16; - u_int overrun:1; - u_int seqno:14; - nw_tx_header_t tx_first; - nw_tx_header_t tx_last; - nw_tx_header_t tx_initial; - nw_tx_header_t tx_current; - nw_rx_header_t rx_first; - nw_rx_header_t rx_last; - nw_ep next:16; - nw_ep previous:16; -} nw_ecb, *nw_ecb_t; - -extern nw_ecb ect[MAX_EP]; - -extern int nw_free_ep_first, nw_free_ep_last; -extern int nw_free_line_first, nw_free_line_last; - -typedef enum { - NW_RECEIVE, - NW_RECEIVE_URGENT, - NW_SEND, - NW_SIGNAL -} nw_delivery; - - -/*** System-independent functions implemented in core ***/ - -extern void nc_initialize(); - -extern nw_tx_header_t nc_tx_header_allocate(); - -extern void nc_tx_header_deallocate(nw_tx_header_t header); - -extern nw_rx_header_t nc_rx_header_allocate(); - -extern void nc_rx_header_deallocate(nw_rx_header_t header); - -extern nw_plist_t nc_peer_allocate(); - -extern void nc_peer_deallocate(nw_plist_t peer); - -extern nw_result nc_device_register(u_int dev, nw_dev_type type, - char *dev_addr, - nw_dev_entry_t dev_entry_table); - -extern nw_result nc_device_unregister(u_int dev, nw_result status); - -extern void nc_fast_sweep(); - -extern void nc_fast_timer_set(); - -extern void nc_fast_timer_reset(); - -extern void nc_slow_sweep(); - -extern nw_result nc_update(nw_update_type up_type, int *up_info); - -extern nw_result nc_lookup(nw_lookup_type lt, int *look_info); - -extern nw_result nc_line_update(nw_peer_t peer, nw_ep line); - -extern nw_ep nc_line_lookup(nw_peer_t peer); - -extern nw_result nc_endpoint_allocate(nw_ep_t epp, nw_protocol protocol, - nw_acceptance accept, - char *buffer_address, u_int buffer_size); - -extern nw_result nc_endpoint_deallocate(nw_ep ep); - -extern nw_buffer_t nc_buffer_allocate(nw_ep ep, u_int size); - -extern nw_result nc_buffer_deallocate(nw_ep ep, nw_buffer_t buffer); - -extern nw_result nc_endpoint_status(nw_ep ep, - nw_state_t state, nw_peer_t peer); - - -/* System-dependent function implemented in wrapper*/ - -extern boolean_t nc_deliver_result(nw_ep ep, nw_delivery type, int result); - -/* Support required in wrapper */ - -extern void h_initialize(); - -extern void h_fast_timer_set(); - -extern void h_fast_timer_reset(); - - -/* Stubs for device table */ - -extern nw_result nc_succeed(int); -extern nw_result nc_fail(int); -extern void nc_null(int); -extern int nc_null_poll(int); -extern nw_result nc_null_send(nw_ep, nw_tx_header_t, nw_options); -extern nw_buffer_t nc_null_rpc(nw_ep, nw_tx_header_t, nw_options); -extern nw_result nc_local_send(nw_ep, nw_tx_header_t, nw_options); -extern nw_buffer_t nc_local_rpc(nw_ep, nw_tx_header_t, nw_options); -extern void nc_null_signal(nw_buffer_t); -extern nw_result nc_open_fail(nw_ep, nw_address_1, nw_address_2, nw_ep); -extern nw_result nc_accept_fail(nw_ep, nw_buffer_t, nw_ep_t); -extern nw_result nc_close_fail(nw_ep); - -#endif /* _NC_H_ */ |