xref: /xnu-8792.81.2/bsd/net/ndrv_var.h (revision 19c3b8c28c31cb8130e034cfb5df6bf9ba342d90)
1*19c3b8c2SApple OSS Distributions /*
2*19c3b8c2SApple OSS Distributions  * Copyright (c) 2000-2021 Apple Computer, Inc. All rights reserved.
3*19c3b8c2SApple OSS Distributions  *
4*19c3b8c2SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*19c3b8c2SApple OSS Distributions  *
6*19c3b8c2SApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*19c3b8c2SApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*19c3b8c2SApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*19c3b8c2SApple OSS Distributions  * compliance with the License. The rights granted to you under the License
10*19c3b8c2SApple OSS Distributions  * may not be used to create, or enable the creation or redistribution of,
11*19c3b8c2SApple OSS Distributions  * unlawful or unlicensed copies of an Apple operating system, or to
12*19c3b8c2SApple OSS Distributions  * circumvent, violate, or enable the circumvention or violation of, any
13*19c3b8c2SApple OSS Distributions  * terms of an Apple operating system software license agreement.
14*19c3b8c2SApple OSS Distributions  *
15*19c3b8c2SApple OSS Distributions  * Please obtain a copy of the License at
16*19c3b8c2SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*19c3b8c2SApple OSS Distributions  *
18*19c3b8c2SApple OSS Distributions  * The Original Code and all software distributed under the License are
19*19c3b8c2SApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*19c3b8c2SApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*19c3b8c2SApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*19c3b8c2SApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*19c3b8c2SApple OSS Distributions  * Please see the License for the specific language governing rights and
24*19c3b8c2SApple OSS Distributions  * limitations under the License.
25*19c3b8c2SApple OSS Distributions  *
26*19c3b8c2SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*19c3b8c2SApple OSS Distributions  */
28*19c3b8c2SApple OSS Distributions /* Copyright (c) 1997, 1998 Apple Computer, Inc. All Rights Reserved */
29*19c3b8c2SApple OSS Distributions /*
30*19c3b8c2SApple OSS Distributions  *	@(#)ndrv.h	1.1 (MacOSX) 6/10/43
31*19c3b8c2SApple OSS Distributions  * Justin Walker - 970604
32*19c3b8c2SApple OSS Distributions  */
33*19c3b8c2SApple OSS Distributions 
34*19c3b8c2SApple OSS Distributions #ifndef _NET_NDRV_VAR_H
35*19c3b8c2SApple OSS Distributions #define _NET_NDRV_VAR_H
36*19c3b8c2SApple OSS Distributions #ifdef PRIVATE
37*19c3b8c2SApple OSS Distributions 
38*19c3b8c2SApple OSS Distributions #if BSD_KERNEL_PRIVATE
39*19c3b8c2SApple OSS Distributions /*
40*19c3b8c2SApple OSS Distributions  * structure for storing a linked list of multicast addresses
41*19c3b8c2SApple OSS Distributions  * registered by this socket. May be variable in length.
42*19c3b8c2SApple OSS Distributions  */
43*19c3b8c2SApple OSS Distributions struct ndrv_multiaddr {
44*19c3b8c2SApple OSS Distributions 	struct ndrv_multiaddr      *next;
45*19c3b8c2SApple OSS Distributions 	ifmultiaddr_t               ifma;
46*19c3b8c2SApple OSS Distributions 	struct sockaddr            *addr;
47*19c3b8c2SApple OSS Distributions };
48*19c3b8c2SApple OSS Distributions #endif
49*19c3b8c2SApple OSS Distributions 
50*19c3b8c2SApple OSS Distributions /*
51*19c3b8c2SApple OSS Distributions  * The cb is plugged into the socket (so_pcb), and the ifnet structure
52*19c3b8c2SApple OSS Distributions  *  of BIND is plugged in here.
53*19c3b8c2SApple OSS Distributions  * For now, it looks like a raw_cb up front...
54*19c3b8c2SApple OSS Distributions  */
55*19c3b8c2SApple OSS Distributions struct ndrv_cb {
56*19c3b8c2SApple OSS Distributions 	TAILQ_ENTRY(ndrv_cb)    nd_next;
57*19c3b8c2SApple OSS Distributions 	struct socket *nd_socket;       /* Back to the socket */
58*19c3b8c2SApple OSS Distributions 	u_int32_t nd_signature; /* Just double-checking */
59*19c3b8c2SApple OSS Distributions 	struct sockaddr_ndrv *nd_faddr;
60*19c3b8c2SApple OSS Distributions 	struct sockaddr_ndrv *nd_laddr;
61*19c3b8c2SApple OSS Distributions 	struct sockproto nd_proto;      /* proto family, protocol */
62*19c3b8c2SApple OSS Distributions 	int nd_descrcnt;                /* # elements in nd_dlist - Obsolete */
63*19c3b8c2SApple OSS Distributions 	TAILQ_HEAD(dlist, dlil_demux_desc) nd_dlist; /* Descr. list */
64*19c3b8c2SApple OSS Distributions 	u_int32_t nd_dlist_cnt; /* Descr. list count */
65*19c3b8c2SApple OSS Distributions 	struct ifnet *nd_if; /* obsolete, maintained for binary compatibility */
66*19c3b8c2SApple OSS Distributions 	u_int32_t nd_proto_family;
67*19c3b8c2SApple OSS Distributions 	u_int32_t nd_family;
68*19c3b8c2SApple OSS Distributions 	struct ndrv_multiaddr* nd_multiaddrs;
69*19c3b8c2SApple OSS Distributions 	short nd_unit;
70*19c3b8c2SApple OSS Distributions };
71*19c3b8c2SApple OSS Distributions 
72*19c3b8c2SApple OSS Distributions #define sotondrvcb(so)          ((struct ndrv_cb *)(so)->so_pcb)
73*19c3b8c2SApple OSS Distributions #define NDRV_SIGNATURE  0x4e445256 /* "NDRV" */
74*19c3b8c2SApple OSS Distributions 
75*19c3b8c2SApple OSS Distributions /* Nominal allocated space for NDRV sockets */
76*19c3b8c2SApple OSS Distributions #define NDRVSNDQ         8192
77*19c3b8c2SApple OSS Distributions #define NDRVRCVQ         8192
78*19c3b8c2SApple OSS Distributions 
79*19c3b8c2SApple OSS Distributions #endif /* PRIVATE */
80*19c3b8c2SApple OSS Distributions #endif  /* _NET_NDRV_VAR_H */
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