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50 lines
1.6 KiB
C
50 lines
1.6 KiB
C
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/*
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* Mach Operating System
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* Copyright (c) 1987 Carnegie-Mellon University
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* All rights reserved. The CMU software License Agreement specifies
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* the terms and conditions for use and redistribution.
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*
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**********************************************************************
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* HISTORY
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* 06-May-87 Mike Accetta (mja) at Carnegie-Mellon University
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* Created.
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* [ V5.1(F10) ]
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*
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**********************************************************************
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*/
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/*
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* Data-link interface address structure.
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*
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* The standard interface address header plus a pointer to the DLI protocol
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* specific block.
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*/
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struct dli_ifaddr {
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struct ifaddr da_ifa;
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#define da_addr da_ifa.ifa_addr
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#define da_broadaddr da_ifa.ifa_broadaddr
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#define da_ifp da_ifa.ifa_ifp
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struct dli_var *da_dlv;
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};
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/*
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* Per-interface data block
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*
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* Each network device driver which supports this protocol will allocate
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* one of these blocks for each network interface with which it is
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* configured. The driver will call dli_init() with the appropriate
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* parameters to initialize the block and DLI protocol for the interface
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* every time that it is initialized.
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*/
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struct dli_var {
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struct dli_ifaddr dlv_da; /* interface address (linked into the */
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/* master address list for the interface) */
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struct sockproto dlv_rproto; /* protocol of current input packet */
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struct sockaddr dlv_rsrc; /* src addr of current input packet */
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u_char dlv_hln; /* hardware address length (bytes) */
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u_char dlv_lhl; /* local interface header length (bytes) */
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};
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