gno/include/net/dli.var.h
1997-02-28 04:42:19 +00:00

50 lines
1.6 KiB
C

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