patch-2.2.18 linux/drivers/net/skfp/smtparse.c

• Lines: 476
• Date: Fri Sep 1 13:48:23 2000
• Orig file: v2.2.17/drivers/net/skfp/smtparse.c
• Orig date: Thu Jan 1 01:00:00 1970

diff -u --new-file --recursive --exclude-from /usr/src/exclude v2.2.17/drivers/net/skfp/smtparse.c linux/drivers/net/skfp/smtparse.c
@@ -0,0 +1,475 @@
+/******************************************************************************
+ *
+ *	(C)Copyright 1998,1999 SysKonnect,
+ *	a business unit of Schneider & Koch & Co. Datensysteme GmbH.
+ *
+ *	See the file "skfddi.c" for further information.
+ *
+ *	This program is free software; you can redistribute it and/or modify
+ *	it under the terms of the GNU General Public License as published by
+ *	the Free Software Foundation; either version 2 of the License, or
+ *	(at your option) any later version.
+ *
+ *	The information in this file is provided "AS IS" without warranty.
+ *
+ ******************************************************************************/
+
+
+/*
+	parser for SMT parameters
+*/
+
+#include "h/types.h"
+#include "h/fddi.h"
+#include "h/smc.h"
+#include "h/smt_p.h"
+
+#define KERNEL
+#include "h/smtstate.h"
+
+#ifndef	lint
+static const char ID_sccs[] = "@(#)smtparse.c	1.12 98/10/06 (C) SK " ;
+#endif
+
+#ifdef	sun
+#define _far
+#endif
+
+/*
+ * convert to BCLK units
+ */
+#define MS2BCLK(x)      ((x)*12500L)
+#define US2BCLK(x)      ((x/10)*125L)
+
+/*
+ * parameter table
+ */
+static struct s_ptab {
+	char	*pt_name ;
+	u_short	pt_num ;
+	u_short	pt_type ;
+	u_long	pt_min ;
+	u_long	pt_max ;
+} ptab[] = {
+	{ "PMFPASSWD",0,	0 } ,
+	{ "USERDATA",1,		0 } ,
+	{ "LERCUTOFFA",2,	1,	4,	15	} ,
+	{ "LERCUTOFFB",3,	1,	4,	15	} ,
+	{ "LERALARMA",4,	1,	4,	15	} ,
+	{ "LERALARMB",5,	1,	4,	15	} ,
+	{ "TMAX",6,		1,	5,	165	} ,
+	{ "TMIN",7,		1,	5,	165	} ,
+	{ "TREQ",8,		1,	5,	165	} ,
+	{ "TVX",9,		1,	2500,	10000	} ,
+#ifdef ESS
+	{ "SBAPAYLOAD",10,	1,	0,	1562	} ,
+	{ "SBAOVERHEAD",11,	1,	50,	5000	} ,
+	{ "MAXTNEG",12,		1,	5,	165	} ,
+	{ "MINSEGMENTSIZE",13,	1,	0,	4478	} ,
+	{ "SBACATEGORY",14,	1,	0,	0xffff	} ,
+	{ "SYNCHTXMODE",15,	0 } ,
+#endif
+#ifdef SBA
+	{ "SBACOMMAND",16,	0 } ,
+	{ "SBAAVAILABLE",17,	1,	0,	100	} ,
+#endif
+	{ 0 }
+} ;
+
+/* Define maximum string size for values and keybuffer */
+#define MAX_VAL	40
+
+/*
+ * local function declarations
+ */
+static u_long parse_num() ;
+static int parse_word() ;
+
+#ifdef SIM
+#define DB_MAIN(a,b,c)	printf(a,b,c)
+#else
+#define DB_MAIN(a,b,c)
+#endif
+
+/*
+ * BEGIN_MANUAL_ENTRY()
+ *
+ *	int smt_parse_arg(struct s_smc *,char _far *keyword,int type,
+		char _far *value)
+ *
+ *	parse SMT parameter
+ *	*keyword
+ *		pointer to keyword, must be \0, \n or \r terminated
+ *	*value	pointer to value, either char * or u_long *
+ *		if char *
+ *			pointer to value, must be \0, \n or \r terminated
+ *		if u_long *
+ *			contains binary value
+ *
+ *	type	0: integer
+ *		1: string
+ *	return
+ *		0	parameter parsed ok
+ *		!= 0	error
+ *	NOTE:
+ *		function can be called with DS != SS
+ *
+ *
+ * END_MANUAL_ENTRY()
+ */
+int smt_parse_arg(smc,keyword,type,value)
+struct s_smc *smc ;
+char _far *keyword ;
+int type ;
+char _far *value ;
+{
+	char		keybuf[MAX_VAL+1];
+	char		valbuf[MAX_VAL+1];
+	char		c ;
+	char 		*p ;
+	char		*v ;
+	char		*d ;
+	u_long		val = 0 ;
+	struct s_ptab	*pt ;
+	int		st ;
+	int		i ;
+
+	/*
+	 * parse keyword
+	 */
+	if ((st = parse_word(keybuf,keyword)))
+		return(st) ;
+	/*
+	 * parse value if given as string
+	 */
+	if (type == 1) {
+		if ((st = parse_word(valbuf,value)))
+			return(st) ;
+	}
+	/*
+	 * search in table
+	 */
+	st = 0 ;
+	for (pt = ptab ; (v = pt->pt_name) ; pt++) {
+		for (p = keybuf ; (c = *p) ; p++,v++) {
+			if (c != *v)
+				break ;
+		}
+		if (!c && !*v)
+			break ;
+	}
+	if (!v)
+		return(-1) ;
+#if	0
+	printf("=>%s<==>%s<=\n",pt->pt_name,valbuf) ;
+#endif
+	/*
+	 * set value in MIB
+	 */
+	if (pt->pt_type)
+		val = parse_num(type,value,valbuf,pt->pt_min,pt->pt_max,1) ;
+	switch (pt->pt_num) {
+	case 0 :
+		v = valbuf ;
+		d = (char *) smc->mib.fddiPRPMFPasswd ;
+		for (i = 0 ; i < (signed)sizeof(smc->mib.fddiPRPMFPasswd) ; i++)
+			*d++ = *v++ ;
+		DB_MAIN("SET %s = %s\n",pt->pt_name,smc->mib.fddiPRPMFPasswd) ;
+		break ;
+	case 1 :
+		v = valbuf ;
+		d = (char *) smc->mib.fddiSMTUserData ;
+		for (i = 0 ; i < (signed)sizeof(smc->mib.fddiSMTUserData) ; i++)
+			*d++ = *v++ ;
+		DB_MAIN("SET %s = %s\n",pt->pt_name,smc->mib.fddiSMTUserData) ;
+		break ;
+	case 2 :
+		smc->mib.p[PA].fddiPORTLer_Cutoff = (u_char) val ;
+		DB_MAIN("SET %s = %d\n",
+			pt->pt_name,smc->mib.p[PA].fddiPORTLer_Cutoff) ;
+		break ;
+	case 3 :
+		smc->mib.p[PB].fddiPORTLer_Cutoff = (u_char) val ;
+		DB_MAIN("SET %s = %d\n",
+			pt->pt_name,smc->mib.p[PB].fddiPORTLer_Cutoff) ;
+		break ;
+	case 4 :
+		smc->mib.p[PA].fddiPORTLer_Alarm = (u_char) val ;
+		DB_MAIN("SET %s = %d\n",
+			pt->pt_name,smc->mib.p[PA].fddiPORTLer_Alarm) ;
+		break ;
+	case 5 :
+		smc->mib.p[PB].fddiPORTLer_Alarm = (u_char) val ;
+		DB_MAIN("SET %s = %d\n",
+			pt->pt_name,smc->mib.p[PB].fddiPORTLer_Alarm) ;
+		break ;
+	case 6 :			/* TMAX */
+		DB_MAIN("SET %s = %d\n",pt->pt_name,val) ;
+		smc->mib.a[PATH0].fddiPATHT_MaxLowerBound =
+			(u_long) -MS2BCLK((long)val) ;
+		break ;
+	case 7 :			/* TMIN */
+		DB_MAIN("SET %s = %d\n",pt->pt_name,val) ;
+		smc->mib.m[MAC0].fddiMACT_Min =
+			(u_long) -MS2BCLK((long)val) ;
+		break ;
+	case 8 :			/* TREQ */
+		DB_MAIN("SET %s = %d\n",pt->pt_name,val) ;
+		smc->mib.a[PATH0].fddiPATHMaxT_Req =
+			(u_long) -MS2BCLK((long)val) ;
+		break ;
+	case 9 :			/* TVX */
+		DB_MAIN("SET %s = %d \n",pt->pt_name,val) ;
+		smc->mib.a[PATH0].fddiPATHTVXLowerBound =
+			(u_long) -US2BCLK((long)val) ;
+		break ;
+#ifdef	ESS
+	case 10 :			/* SBAPAYLOAD */
+		DB_MAIN("SET %s = %d\n",pt->pt_name,val) ;
+		if (smc->mib.fddiESSPayload != val) {
+			smc->ess.raf_act_timer_poll = TRUE ;
+			smc->mib.fddiESSPayload = val ;
+		}
+		break ;
+	case 11 :			/* SBAOVERHEAD */
+		DB_MAIN("SET %s = %d\n",pt->pt_name,val) ;
+		smc->mib.fddiESSOverhead = val ;
+		break ;
+	case 12 :			/* MAXTNEG */
+		DB_MAIN("SET %s = %d\n",pt->pt_name,val) ;
+		smc->mib.fddiESSMaxTNeg = (u_long) -MS2BCLK((long)val) ;
+		break ;
+	case 13 :			/* MINSEGMENTSIZE */
+		DB_MAIN("SET %s = %d\n",pt->pt_name,val) ;
+		smc->mib.fddiESSMinSegmentSize = val ;
+		break ;
+	case 14 :			/* SBACATEGORY */
+		DB_MAIN("SET %s = %d\n",pt->pt_name,val) ;
+		smc->mib.fddiESSCategory =
+			(smc->mib.fddiESSCategory & 0xffff) |
+			((u_long)(val << 16)) ;
+		break ;
+	case 15 :			/* SYNCHTXMODE */
+		/* do not use memcmp(valbuf,"ALL",3) because DS != SS */
+		if (valbuf[0] == 'A' && valbuf[1] == 'L' && valbuf[2] == 'L') {
+			smc->mib.fddiESSSynchTxMode = TRUE ;
+			DB_MAIN("SET %s = %s\n",pt->pt_name,valbuf) ;
+		}
+		/* if (!memcmp(valbuf,"SPLIT",5)) { */
+		if (valbuf[0] == 'S' && valbuf[1] == 'P' && valbuf[2] == 'L' &&
+			valbuf[3] == 'I' && valbuf[4] == 'T') {
+			DB_MAIN("SET %s = %s\n",pt->pt_name,valbuf) ;
+			smc->mib.fddiESSSynchTxMode = FALSE ;
+		}
+		break ;
+#endif
+#ifdef	SBA
+	case 16 :			/* SBACOMMAND */
+		/* if (!memcmp(valbuf,"START",5)) { */
+		if (valbuf[0] == 'S' && valbuf[1] == 'T' && valbuf[2] == 'A' &&
+			valbuf[3] == 'R' && valbuf[4] == 'T') {
+			DB_MAIN("SET %s = %s\n",pt->pt_name,valbuf) ;
+			smc->mib.fddiSBACommand = SB_START ;
+		}
+		/* if (!memcmp(valbuf,"STOP",4)) { */
+		if (valbuf[0] == 'S' && valbuf[1] == 'T' && valbuf[2] == 'O' &&
+			valbuf[3] == 'P') {
+			DB_MAIN("SET %s = %s\n",pt->pt_name,valbuf) ;
+			smc->mib.fddiSBACommand = SB_STOP ;
+		}
+		break ;
+	case 17 :			/* SBAAVAILABLE */
+		DB_MAIN("SET %s = %d\n",pt->pt_name,val) ;
+		smc->mib.fddiSBAAvailable = (u_char) val ;
+		break ;
+#endif
+	}
+	return(0) ;
+}
+
+static int parse_word(buf,text)
+char *buf ;
+char _far *text ;
+{
+	char		c ;
+	char 		*p ;
+	int		p_len ;
+	int		quote ;
+	int		i ;
+	int		ok ;
+
+	/*
+	 * skip leading white space
+	 */
+	p = buf ;
+	for (i = 0 ; i < MAX_VAL ; i++)
+		*p++ = 0 ;
+	p = buf ;
+	p_len = 0 ;
+	ok = 0 ;
+	while ( (c = *text++) && (c != '\n') && (c != '\r')) {
+		if ((c != ' ') && (c != '\t')) {
+			ok = 1 ;
+			break ;
+		}
+	}
+	if (!ok)
+		return(-1) ;
+	if (c == '"') {
+		quote = 1 ;
+	}
+	else {
+		quote = 0 ;
+		text-- ;
+	}
+	/*
+	 * parse valbuf
+	 */
+	ok = 0 ;
+	while (!ok && p_len < MAX_VAL-1 && (c = *text++) && (c != '\n')
+		&& (c != '\r')) {
+		switch (quote) {
+		case 0 :
+			if ((c == ' ') || (c == '\t') || (c == '=')) {
+				ok = 1 ;
+				break ;
+			}
+			*p++ = c ;
+			p_len++ ;
+			break ;
+		case 2 :
+			*p++ = c ;
+			p_len++ ;
+			quote = 1 ;
+			break ;
+		case 1 :
+			switch (c) {
+			case '"' :
+				ok = 1 ;
+				break ;
+			case '\\' :
+				quote = 2 ;
+				break ;
+			default :
+				*p++ = c ;
+				p_len++ ;
+			}
+		}
+	}
+	*p++ = 0 ;
+	for (p = buf ; (c = *p) ; p++) {
+		if (c >= 'a' && c <= 'z')
+			*p = c + 'A' - 'a' ;
+	}
+	return(0) ;
+}
+
+static u_long parse_num(type,value,v,mn,mx,scale)
+int type ;
+char _far *value ;
+char *v ;
+u_long mn ;
+u_long mx ;
+int scale ;
+{
+	u_long	x = 0 ;
+	char	c ;
+
+	if (type == 0) {		/* integer */
+		u_long _far	*l ;
+		u_long		u1 ;
+
+		l = (u_long _far *) value ;
+		u1 = *l ;
+		/*
+		 * if the value is negative take the lower limit
+		 */
+		if ((long)u1 < 0) {
+			if (- ((long)u1) > (long) mx) {
+				u1 = 0 ;
+			}
+			else {
+				u1 = (u_long) - ((long)u1) ;
+			}
+		}
+		x = u1 ;
+	}
+	else {				/* string */
+		int	sign = 0 ;
+
+		if (*v == '-') {
+			sign = 1 ;
+		}
+		while ((c = *v++) && (c >= '0') && (c <= '9')) {
+			x = x * 10 + c - '0' ;
+		}
+		if (scale == 10) {
+			x *= 10 ;
+			if (c == '.') {
+				if ((c = *v++) && (c >= '0') && (c <= '9')) {
+					x += c - '0' ;
+				}
+			}
+		}
+		if (sign)
+			x = (u_long) - ((long)x) ;
+	}
+	/*
+	 * if the value is negative
+	 *	and the absolute value is outside the limits
+	 *		take the lower limit
+	 *	else
+	 *		take the absoute value
+	 */
+	if ((long)x < 0) {
+		if (- ((long)x) > (long) mx) {
+			x = 0 ;
+		}
+		else {
+			x = (u_long) - ((long)x) ;
+		}
+	}
+	if (x < mn)
+		return(mn) ;
+	else if (x > mx)
+		return(mx) ;
+	return(x) ;
+}
+
+#if 0
+struct	s_smc	SMC ;
+main()
+{
+	char	*p ;
+	char	*v ;
+	char	buf[100] ;
+	int	toggle = 0 ;
+
+	while (gets(buf)) {
+		p = buf ;
+		while (*p && ((*p == ' ') || (*p == '\t')))
+			p++ ;
+
+		while (*p && ((*p != ' ') && (*p != '\t')))
+			p++ ;
+
+		v = p ;
+		while (*v && ((*v == ' ') || (*v == '\t')))
+			v++ ;
+		if ((*v >= '0') && (*v <= '9')) {
+			toggle = !toggle ;
+			if (toggle) {
+				u_long	l ;
+				l = atol(v) ;
+				smt_parse_arg(&SMC,buf,0,(char _far *)&l) ;
+			}
+			else
+				smt_parse_arg(&SMC,buf,1,(char _far *)p) ;
+		}
+		else {
+			smt_parse_arg(&SMC,buf,1,(char _far *)p) ;
+		}
+	}
+	exit(0) ;
+}
+#endif