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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2001 by Sun Microsystems, Inc.
* All rights reserved.
*
*/
#ifndef _AT_H
#define _AT_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
/*
* There is a lot of alignment problems in AppleTalk packets.
* This is the reason some of the headers use uint8_t arrays instead of the
* natural datatype.
*/
/* AARP */
#define AARP_REQ 1
#define AARP_RESP 2
#define AARP_PROBE 3
/* DDP */
struct ddp_hdr {
uint8_t ddp_hop_len;
uint8_t ddp_len_lo;
uint16_t ddp_cksum;
uint16_t ddp_dest_net;
uint16_t ddp_src_net;
uint8_t ddp_dest_id;
uint8_t ddp_src_id;
uint8_t ddp_dest_sock;
uint8_t ddp_src_sock;
uint8_t ddp_type;
};
#define ddp_pad(x) ((x)->ddp_hop_len & 0xc0)
#define ddp_hop(x) (((x)->ddp_hop_len >> 2) & 0xf)
#define ddp_len(x) ((((x)->ddp_hop_len & 0x3) << 8) + (x)->ddp_len_lo)
#define DDPHDR_SIZE 13
#define DDP_TYPE_RTMPRQ 5
#define DDP_TYPE_RTMPRESP 1
#define DDP_TYPE_NBP 2
#define DDP_TYPE_ATP 3
#define DDP_TYPE_AEP 4
#define DDP_TYPE_ZIP 6
#define DDP_TYPE_ADSP 7
/* AECHO */
#define AEP_REQ 1
#define AEP_REPLY 2
/* NBP */
struct nbp_hdr {
uint8_t ddphdr[DDPHDR_SIZE];
uint8_t nbp_fun_cnt;
uint8_t nbp_id;
};
#define NBP_BRRQ 1
#define NBP_LKUP 2
#define NBP_LKUP_REPLY 3
#define NBP_FWDREQ 4
/* ZIP */
struct zip_hdr {
uint8_t ddphdr[DDPHDR_SIZE];
uint8_t zip_func;
uint8_t zip_netcnt;
};
#define ZIP_QUERY 1
#define ZIP_REPLY 2
#define ZIP_GET_NET_INFO 5
#define ZIP_GET_NET_INFO_REPLY 6
#define ZIP_NOTIFY 7
#define ZIP_EXT_REPLY 8
#define ZIP_ATP_GETMYZONE 7
#define ZIP_ATP_GETZONELIST 8
#define ZIP_ATP_GETLOCALZONES 9
#define ZIP_FLG_ONEZ 0x20
#define ZIP_FLG_USEBRC 0x40
#define ZIP_FLG_ZINV 0x80
/* ATP */
struct atp_hdr {
uint8_t ddphdr[DDPHDR_SIZE];
uint8_t atp_ctrl;
uint8_t atp_seq;
uint8_t atp_tid[2];
uint8_t atp_user[4];
};
#define ATPHDR_SIZE 8
#define atp_fun(x) (((x) >> 6) & 0x3)
#define atp_tmo(x) ((x) & 0x7)
#define ATP_TREQ 1
#define ATP_TRESP 2
#define ATP_TREL 3
#define ATP_FLG_STS 0x08
#define ATP_FLG_EOM 0x10
#define ATP_FLG_XO 0x20
#define NODE_ID_BROADCAST 0xff
struct ddp_adsphdr {
uint8_t ddphdr[DDPHDR_SIZE];
uint8_t ad_connid[2]; /* short */
uint8_t ad_fbseq[4]; /* long */
uint8_t ad_nrseq[4]; /* long */
uint8_t ad_rcvwin[2]; /* short */
uint8_t ad_desc;
};
#define AD_CTRL 0x80
#define AD_ACKREQ 0x40
#define AD_EOM 0x20
#define AD_ATT 0x10
#define AD_CTRL_MASK 0x0f
#define AD_CREQ 0x81 /* Open Conn Request */
#define AD_CACK 0x82 /* Open Conn Ack */
#define AD_CREQ_ACK 0x83 /* Open Conn Req+Ack */
#define AD_CDENY 0x84 /* Open Conn Denial */
struct ddp_adsp_att {
struct ddp_adsphdr ad;
uint8_t ad_att_code[2]; /* short */
};
struct ddp_adsp_open {
struct ddp_adsphdr ad;
uint8_t ad_version[2]; /* short */
uint8_t ad_dconnid[2]; /* short */
uint8_t ad_attseq[4]; /* long */
};
#define RTMP_REQ 1
#define RTMP_RDR_SH 2 /* Route Data Request, split horizon */
#define RTMP_RDR_NSH 3 /* Route Data Request, no split horizon */
#define RTMP_DIST_MASK 0x1f
#define RTMP_EXTEND 0x80
#define RTMP_FILLER 0x82
uint16_t get_short(uint8_t *);
uint32_t get_long(uint8_t *);
extern void interpret_aarp(int, char *, int);
extern void interpret_at(int, struct ddp_hdr *, int);
extern void interpret_nbp(int, struct nbp_hdr *, int);
extern void interpret_rtmp(int, struct ddp_hdr *, int);
extern void interpret_aecho(int, struct ddp_hdr *, int);
extern void interpret_atp(int, struct ddp_hdr *, int);
extern void interpret_adsp(int, struct ddp_adsphdr *, int);
extern void interpret_ddp_zip(int, struct zip_hdr *, int);
extern void interpret_atp_zip(int, struct atp_hdr *, int);
#ifdef __cplusplus
}
#endif
#endif /* _AT_H */
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