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      1 /*
      2  * CDDL HEADER START
      3  *
      4  * The contents of this file are subject to the terms of the
      5  * Common Development and Distribution License, Version 1.0 only
      6  * (the "License").  You may not use this file except in compliance
      7  * with the License.
      8  *
      9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
     10  * or http://www.opensolaris.org/os/licensing.
     11  * See the License for the specific language governing permissions
     12  * and limitations under the License.
     13  *
     14  * When distributing Covered Code, include this CDDL HEADER in each
     15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     16  * If applicable, add the following below this CDDL HEADER, with the
     17  * fields enclosed by brackets "[]" replaced with your own identifying
     18  * information: Portions Copyright [yyyy] [name of copyright owner]
     19  *
     20  * CDDL HEADER END
     21  */
     22 /*
     23  * Copyright (c) 2001 by Sun Microsystems, Inc.
     24  * All rights reserved.
     25  */
     26 
     27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
     28 
     29 #include <stdio.h>
     30 #include <sys/types.h>
     31 
     32 #include <at.h>
     33 #include <snoop.h>
     34 
     35 static char *atp_ci(uint8_t);
     36 
     37 static char *atp_trel[8] = {
     38 	"30s",
     39 	"1m",
     40 	"2m",
     41 	"4m",
     42 	"8m",
     43 	"(undef 5)",
     44 	"(undef 6)",
     45 	"(undef 7)"
     46 };
     47 
     48 void
     49 interpret_atp(int flags, struct ddp_hdr *ddp, int len)
     50 {
     51 	struct atp_hdr *atp = (struct atp_hdr *)ddp;
     52 	int atplen = len - (DDPHDR_SIZE + ATPHDR_SIZE);
     53 
     54 	if (flags & F_SUM) {
     55 		if (atplen < 0) {
     56 			(void) snprintf(get_sum_line(), MAXLINE,
     57 			    "ATP (short packet)");
     58 			return;
     59 		}
     60 		(void) snprintf(get_sum_line(), MAXLINE,
     61 		    "ATP (%s), TID=%d, L=%d",
     62 		    atp_ci(atp->atp_ctrl),
     63 		    get_short((uint8_t *)&atp->atp_tid),
     64 		    len);
     65 	}
     66 
     67 	if (flags & F_DTAIL) {
     68 		show_header("ATP:  ", "ATP Header", 8);
     69 		show_space();
     70 
     71 		if (atplen < 0) {
     72 			(void) snprintf(get_line(0, 0), get_line_remain(),
     73 			    "ATP (short packet)");
     74 			return;
     75 		}
     76 		(void) snprintf(get_line(0, 0), get_line_remain(),
     77 		    "Length = %d", len);
     78 		(void) snprintf(get_line(0, 0), get_line_remain(),
     79 		    "Ctrl = 0x%x (%s), bitmap/seq = 0x%x",
     80 		    atp->atp_ctrl,
     81 		    atp_ci(atp->atp_ctrl),
     82 		    atp->atp_seq);
     83 		(void) snprintf(get_line(0, 0), get_line_remain(),
     84 		    "TID = %d, user bytes 0x%x 0x%x 0x%x 0x%x",
     85 		    get_short((uint8_t *)&atp->atp_tid),
     86 		    atp->atp_user[0], atp->atp_user[1],
     87 		    atp->atp_user[2], atp->atp_user[3]);
     88 		show_space();
     89 	}
     90 
     91 	if (ddp->ddp_dest_sock == DDP_TYPE_ZIP ||
     92 	    ddp->ddp_src_sock == DDP_TYPE_ZIP)
     93 		interpret_atp_zip(flags, atp, atplen);
     94 }
     95 
     96 static char *
     97 atp_ci(uint8_t ci)
     98 {
     99 	static char buf[50];
    100 	char *p = buf;
    101 	char *to = NULL;
    102 	char *tail = &buf[sizeof (buf)];
    103 
    104 	switch (atp_fun(ci)) {
    105 	case ATP_TREQ:
    106 		p += snprintf(p, tail-p, "TReq");
    107 		to = atp_trel[atp_tmo(ci)];
    108 		break;
    109 	case ATP_TRESP:
    110 		p += snprintf(p, tail-p, "TResp");
    111 		break;
    112 	case ATP_TREL:
    113 		p += snprintf(p, tail-p, "TRel");
    114 		break;
    115 	}
    116 
    117 	p += snprintf(p, tail-p, ci & ATP_FLG_XO ? " XO" : " ALO");
    118 
    119 	if (ci & ATP_FLG_EOM)
    120 		p += snprintf(p, tail-p, " EOM");
    121 
    122 	if (ci & ATP_FLG_STS)
    123 		p += snprintf(p, tail-p, " STS");
    124 
    125 	if (to != NULL)
    126 		(void) snprintf(p, tail-p, " %s", to);
    127 	return (buf);
    128 }
    129