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Diffstat (limited to 'metis/iOS/net/ndrv.h')
| -rw-r--r-- | metis/iOS/net/ndrv.h | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/metis/iOS/net/ndrv.h b/metis/iOS/net/ndrv.h new file mode 100644 index 00000000..9c2bab3d --- /dev/null +++ b/metis/iOS/net/ndrv.h @@ -0,0 +1,161 @@ +/* + * Copyright (c) 2008 Apple Computer, Inc. All rights reserved. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ + * + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. + * + * Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, + * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ + */ +/* Copyright (c) 1997, 1998 Apple Computer, Inc. All Rights Reserved */ +/* + * @(#)ndrv.h 1.1 (MacOSX) 6/10/43 + * Justin Walker - 970604 + */ +#include <net/dlil.h> + +#ifndef _NET_NDRV_H +#define _NET_NDRV_H +#include <sys/appleapiopts.h> + + +struct sockaddr_ndrv +{ + unsigned char snd_len; + unsigned char snd_family; + unsigned char snd_name[IFNAMSIZ]; /* from if.h */ +}; + +/* + * Support for user-mode protocol handlers + */ + +#define NDRV_DEMUXTYPE_ETHERTYPE 4 +#define NDRV_DEMUXTYPE_SAP 5 +#define NDRV_DEMUXTYPE_SNAP 6 + +#define NDRVPROTO_NDRV 0 + +/* + * Struct: ndrv_demux_desc + * Purpose: + * To uniquely identify a packet based on its low-level framing information. + * + * Fields: + * type : type of protocol in data field, must be understood by + * the interface family of the interface the socket is bound to + * length : length of protocol data in "data" field + * data : union of framing-specific data, in network byte order + * ether_type : ethernet type in network byte order, assuming + * ethernet type II framing + * sap : first 3 bytes of sap header, network byte order + * snap : first 5 bytes of snap header, network byte order + * other : up to 28 bytes of protocol data for different protocol type + * + * Examples: + * 1) 802.1x uses ether_type 0x888e, so the descriptor would be set as: + * struct ndrv_demux_desc desc; + * desc.type = NDRV_DEMUXTYPE_ETHERTYPE + * desc.length = sizeof(unsigned short); + * desc.ether_type = htons(0x888e); + * 2) AppleTalk uses SNAP 0x080007809B + * struct ndrv_demux_desc desc; + * desc.type = NDRV_DEMUXTYPE_SNAP; + * desc.length = 5; + * desc.data.snap[0] = 08; + * desc.data.snap[1] = 00; + * desc.data.snap[2] = 07; + * desc.data.snap[3] = 80; + * desc.data.snap[4] = 9B; + */ +struct ndrv_demux_desc +{ + u_int16_t type; + u_int16_t length; + union + { + u_int16_t ether_type; + u_int8_t sap[3]; + u_int8_t snap[5]; + u_int8_t other[28]; + } data; +}; + +#define NDRV_PROTOCOL_DESC_VERS 1 + +/* + * Struct: ndrv_protocol_desc + * Purpose: + * Used to "bind" an NDRV socket so that packets that match + * given protocol demux descriptions can be received: + * Field: + * version : must be NDRV_PROTOCOL_DESC_VERS + * protocol_family : unique identifier for this protocol + * demux_count : number of demux_list descriptors in demux_list; maximum of 10 + * demux_list : pointer to array of demux descriptors + */ +struct ndrv_protocol_desc +{ + u_int32_t version; + u_int32_t protocol_family; + u_int32_t demux_count; + struct ndrv_demux_desc *demux_list; +}; + + +#define SOL_NDRVPROTO NDRVPROTO_NDRV /* Use this socket level */ +#define NDRV_DELDMXSPEC 0x02 /* Delete the registered protocol */ +#define NDRV_SETDMXSPEC 0x04 /* Set the protocol spec */ +#define NDRV_ADDMULTICAST 0x05 /* Add a physical multicast address */ +#define NDRV_DELMULTICAST 0x06 /* Delete a phyiscal multicast */ + +/* + * SOL_NDRVPROTO - use this for the socket level when calling setsocketopt + * NDRV_DELDMXSPEC - removes the registered protocol and all related demuxes + * NDRV_SETDMXSPEC - set the protocol to receive, use struct ndrv_protocol_desc + * as the parameter. + * NDRV_ADDMULTICAST - Enable reception of a phyiscal multicast address, use + * a sockaddr of the appropriate type for the media in use. + * NDRV_DELMULTICAST - Disable reception of a phyiscal multicast address, use + * a sockaddr of the appropriate type for the media in use. + * + * When adding multicasts, the multicasts are ref counted. If the multicast is + * already registered in the kernel, the count will be bumped. When deleting + * the multicast, the count is decremented. If the count reaches zero the + * multicast is removed. If your process is killed, PF_NDRV will unregister + * the mulitcasts you've added. You can only delete multicasts you've added + * on the same socket. + * + * If the interface goes away while your socket is open, your protocol is + * immediately detached and sending/receiving is disabled on the socket. + * If you need a chance to do something, please file a bug and we can give + * you a second or two. + */ + +/* Max number of descriptions allowed by default */ +#define NDRV_DMUX_MAX_DESCR 1024 + +/* + * sysctl MIB tags at the kern.ipc.nrdv level + */ +#define NRDV_MULTICAST_ADDRS_PER_SOCK 1 /* to toggle NDRV_DMUX_MAX_DESCR value */ + +#endif /* _NET_NDRV_H */ |