[mirror_iproute2.git] / tc / tc_util.c

/*
 * tc_util.c		Misc TC utility functions.
 *
 *		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.
 *
 * Authors:	Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
 *
 */

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <syslog.h>
#include <fcntl.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <string.h>
#include <math.h>

#include "utils.h"
#include "tc_util.h"

#ifndef LIBDIR
#define LIBDIR "/usr/lib"
#endif

const char *get_tc_lib(void)
{
	const char *lib_dir;

	lib_dir = getenv("TC_LIB_DIR");
	if (!lib_dir)
		lib_dir = LIBDIR "/tc/";

	return lib_dir;
}

int get_qdisc_handle(__u32 *h, const char *str)
{
	__u32 maj;
	char *p;

	maj = TC_H_UNSPEC;
	if (strcmp(str, "none") == 0)
		goto ok;
	maj = strtoul(str, &p, 16);
	if (p == str)
		return -1;
	maj <<= 16;
	if (*p != ':' && *p!=0)
		return -1;
ok:
	*h = maj;
	return 0;
}

int get_tc_classid(__u32 *h, const char *str)
{
	__u32 maj, min;
	char *p;

	maj = TC_H_ROOT;
	if (strcmp(str, "root") == 0)
		goto ok;
	maj = TC_H_UNSPEC;
	if (strcmp(str, "none") == 0)
		goto ok;
	maj = strtoul(str, &p, 16);
	if (p == str) {
		maj = 0;
		if (*p != ':')
			return -1;
	}
	if (*p == ':') {
		if (maj >= (1<<16))
			return -1;
		maj <<= 16;
		str = p+1;
		min = strtoul(str, &p, 16);
		if (*p != 0)
			return -1;
		if (min >= (1<<16))
			return -1;
		maj |= min;
	} else if (*p != 0)
		return -1;

ok:
	*h = maj;
	return 0;
}

int print_tc_classid(char *buf, int len, __u32 h)
{
	if (h == TC_H_ROOT)
		sprintf(buf, "root");
	else if (h == TC_H_UNSPEC)
		snprintf(buf, len, "none");
	else if (TC_H_MAJ(h) == 0)
		snprintf(buf, len, ":%x", TC_H_MIN(h));
	else if (TC_H_MIN(h) == 0)
		snprintf(buf, len, "%x:", TC_H_MAJ(h)>>16);
	else
		snprintf(buf, len, "%x:%x", TC_H_MAJ(h)>>16, TC_H_MIN(h));
	return 0;
}

char * sprint_tc_classid(__u32 h, char *buf)
{
	if (print_tc_classid(buf, SPRINT_BSIZE-1, h))
		strcpy(buf, "???");
	return buf;
}

/* See http://physics.nist.gov/cuu/Units/binary.html */
static const struct rate_suffix {
	const char *name;
	double scale;
} suffixes[] = {
	{ "bit",	1. },
	{ "Kibit",	1024. },
	{ "kbit",	1000. },
	{ "mibit",	1024.*1024. },
	{ "mbit",	1000000. },
	{ "gibit",	1024.*1024.*1024. },
	{ "gbit",	1000000000. },
	{ "tibit",	1024.*1024.*1024.*1024. },
	{ "tbit",	1000000000000. },
	{ "Bps",	8. },
	{ "KiBps",	8.*1024. },
	{ "KBps",	8000. },
	{ "MiBps",	8.*1024*1024. },
	{ "MBps",	8000000. },
	{ "GiBps",	8.*1024.*1024.*1024. },
	{ "GBps",	8000000000. },
	{ "TiBps",	8.*1024.*1024.*1024.*1024. },
	{ "TBps",	8000000000000. },
	{ NULL }
};


int get_rate(unsigned *rate, const char *str)
{
	char *p;
	double bps = strtod(str, &p);
	const struct rate_suffix *s;

	if (p == str)
		return -1;

	if (*p == '\0') {
		*rate = bps / 8.;	/* assume bytes/sec */
		return 0;
	}

	for (s = suffixes; s->name; ++s) {
		if (strcasecmp(s->name, p) == 0) {
			*rate = (bps * s->scale) / 8.;
			return 0;
		}
	}

	return -1;
}

int get_rate_and_cell(unsigned *rate, int *cell_log, char *str)
{
	char * slash = strchr(str, '/');

	if (slash)
		*slash = 0;

	if (get_rate(rate, str))
		return -1;

	if (slash) {
		int cell;
		int i;

		if (get_integer(&cell, slash+1, 0))
			return -1;
		*slash = '/';

		for (i=0; i<32; i++) {
			if ((1<<i) == cell) {
				*cell_log = i;
				return 0;
			}
		}
		return -1;
	}
	return 0;
}

void print_rate(char *buf, int len, __u32 rate)
{
	double tmp = (double)rate*8;
	extern int use_iec;

	if (use_iec) {
		if (tmp >= 1000.0*1024.0*1024.0)
			snprintf(buf, len, "%.0fMibit", tmp/(1024.0*1024.0));
		else if (tmp >= 1000.0*1024)
			snprintf(buf, len, "%.0fKibit", tmp/1024);
		else
			snprintf(buf, len, "%.0fbit", tmp);
	} else {
		if (tmp >= 1000.0*1000000.0)
			snprintf(buf, len, "%.0fMbit", tmp/1000000.0);
		else if (tmp >= 1000.0 * 1000.0)
			snprintf(buf, len, "%.0fKbit", tmp/1000.0);
		else
			snprintf(buf, len, "%.0fbit",  tmp);
	}
}

char * sprint_rate(__u32 rate, char *buf)
{
	print_rate(buf, SPRINT_BSIZE-1, rate);
	return buf;
}

int get_time(unsigned *time, const char *str)
{
	double t;
	char *p;

	t = strtod(str, &p);
	if (p == str)
		return -1;

	if (*p) {
		if (strcasecmp(p, "s") == 0 || strcasecmp(p, "sec")==0 ||
		    strcasecmp(p, "secs")==0)
			t *= TIME_UNITS_PER_SEC;
		else if (strcasecmp(p, "ms") == 0 || strcasecmp(p, "msec")==0 ||
			 strcasecmp(p, "msecs") == 0)
			t *= TIME_UNITS_PER_SEC/1000;
		else if (strcasecmp(p, "us") == 0 || strcasecmp(p, "usec")==0 ||
			 strcasecmp(p, "usecs") == 0)
			t *= TIME_UNITS_PER_SEC/1000000;
		else
			return -1;
	}

	*time = t;
	return 0;
}


void print_time(char *buf, int len, __u32 time)
{
	double tmp = time;

	if (tmp >= TIME_UNITS_PER_SEC)
		snprintf(buf, len, "%.1fs", tmp/TIME_UNITS_PER_SEC);
	else if (tmp >= TIME_UNITS_PER_SEC/1000)
		snprintf(buf, len, "%.1fms", tmp/(TIME_UNITS_PER_SEC/1000));
	else
		snprintf(buf, len, "%uus", time);
}

char * sprint_time(__u32 time, char *buf)
{
	print_time(buf, SPRINT_BSIZE-1, time);
	return buf;
}

char * sprint_ticks(__u32 ticks, char *buf)
{
	return sprint_time(tc_core_tick2time(ticks), buf);
}

int get_size(unsigned *size, const char *str)
{
	double sz;
	char *p;

	sz = strtod(str, &p);
	if (p == str)
		return -1;

	if (*p) {
		if (strcasecmp(p, "kb") == 0 || strcasecmp(p, "k")==0)
			sz *= 1024;
		else if (strcasecmp(p, "gb") == 0 || strcasecmp(p, "g")==0)
			sz *= 1024*1024*1024;
		else if (strcasecmp(p, "gbit") == 0)
			sz *= 1024*1024*1024/8;
		else if (strcasecmp(p, "mb") == 0 || strcasecmp(p, "m")==0)
			sz *= 1024*1024;
		else if (strcasecmp(p, "mbit") == 0)
			sz *= 1024*1024/8;
		else if (strcasecmp(p, "kbit") == 0)
			sz *= 1024/8;
		else if (strcasecmp(p, "b") != 0)
			return -1;
	}

	*size = sz;
	return 0;
}

int get_size_and_cell(unsigned *size, int *cell_log, char *str)
{
	char * slash = strchr(str, '/');

	if (slash)
		*slash = 0;

	if (get_size(size, str))
		return -1;

	if (slash) {
		int cell;
		int i;

		if (get_integer(&cell, slash+1, 0))
			return -1;
		*slash = '/';

		for (i=0; i<32; i++) {
			if ((1<<i) == cell) {
				*cell_log = i;
				return 0;
			}
		}
		return -1;
	}
	return 0;
}

void print_size(char *buf, int len, __u32 sz)
{
	double tmp = sz;

	if (sz >= 1024*1024 && fabs(1024*1024*rint(tmp/(1024*1024)) - sz) < 1024)
		snprintf(buf, len, "%gMb", rint(tmp/(1024*1024)));
	else if (sz >= 1024 && fabs(1024*rint(tmp/1024) - sz) < 16)
		snprintf(buf, len, "%gKb", rint(tmp/1024));
	else
		snprintf(buf, len, "%ub", sz);
}

char * sprint_size(__u32 size, char *buf)
{
	print_size(buf, SPRINT_BSIZE-1, size);
	return buf;
}

void print_qdisc_handle(char *buf, int len, __u32 h)
{
	snprintf(buf, len, "%x:", TC_H_MAJ(h)>>16);
}

char * sprint_qdisc_handle(__u32 h, char *buf)
{
	print_qdisc_handle(buf, SPRINT_BSIZE-1, h);
	return buf;
}

char * action_n2a(int action, char *buf, int len)
{
	switch (action) {
	case -1:
		return "continue";
		break;
	case TC_ACT_OK:
		return "pass";
		break;
	case TC_ACT_SHOT:
		return "drop";
		break;
	case TC_ACT_RECLASSIFY:
		return "reclassify";
	case TC_ACT_PIPE:
		return "pipe";
	case TC_ACT_STOLEN:
		return "stolen";
	default:
		snprintf(buf, len, "%d", action);
		return buf;
	}
}

int action_a2n(char *arg, int *result)
{
	int res;

	if (matches(arg, "continue") == 0)
		res = -1;
	else if (matches(arg, "drop") == 0)
		res = TC_ACT_SHOT;
	else if (matches(arg, "shot") == 0)
		res = TC_ACT_SHOT;
	else if (matches(arg, "pass") == 0)
		res = TC_ACT_OK;
	else if (strcmp(arg, "ok") == 0)
		res = TC_ACT_OK;
	else if (matches(arg, "reclassify") == 0)
		res = TC_ACT_RECLASSIFY;
	else {
		char dummy;
		if (sscanf(arg, "%d%c", &res, &dummy) != 1)
			return -1;
	}
	*result = res;
	return 0;
}

int get_linklayer(unsigned *val, const char *arg)
{
	int res;

	if (matches(arg, "ethernet") == 0)
		res = LINKLAYER_ETHERNET;
	else if (matches(arg, "atm") == 0)
		res = LINKLAYER_ATM;
	else if (matches(arg, "adsl") == 0)
		res = LINKLAYER_ATM;
	else
		return -1; /* Indicate error */

	*val = res;
	return 0;
}

void print_linklayer(char *buf, int len, unsigned linklayer)
{
	switch (linklayer) {
	case LINKLAYER_UNSPEC:
		snprintf(buf, len, "%s", "unspec");
		return;
	case LINKLAYER_ETHERNET:
		snprintf(buf, len, "%s", "ethernet");
		return;
	case LINKLAYER_ATM:
		snprintf(buf, len, "%s", "atm");
		return;
	default:
		snprintf(buf, len, "%s", "unknown");
		return;
	}
}

char *sprint_linklayer(unsigned linklayer, char *buf)
{
	print_linklayer(buf, SPRINT_BSIZE-1, linklayer);
	return buf;
}

void print_tm(FILE * f, const struct tcf_t *tm)
{
	int hz = get_user_hz();
	if (tm->install != 0)
		fprintf(f, " installed %u sec", (unsigned)(tm->install/hz));
	if (tm->lastuse != 0)
		fprintf(f, " used %u sec", (unsigned)(tm->lastuse/hz));
	if (tm->expires != 0)
		fprintf(f, " expires %u sec", (unsigned)(tm->expires/hz));
}

void print_tcstats2_attr(FILE *fp, struct rtattr *rta, char *prefix, struct rtattr **xstats)
{
	SPRINT_BUF(b1);
	struct rtattr *tbs[TCA_STATS_MAX + 1];

	parse_rtattr_nested(tbs, TCA_STATS_MAX, rta);

	if (tbs[TCA_STATS_BASIC]) {
		struct gnet_stats_basic bs = {0};
		memcpy(&bs, RTA_DATA(tbs[TCA_STATS_BASIC]), MIN(RTA_PAYLOAD(tbs[TCA_STATS_BASIC]), sizeof(bs)));
		fprintf(fp, "%sSent %llu bytes %u pkt",
			prefix, (unsigned long long) bs.bytes, bs.packets);
	}

	if (tbs[TCA_STATS_QUEUE]) {
		struct gnet_stats_queue q = {0};
		memcpy(&q, RTA_DATA(tbs[TCA_STATS_QUEUE]), MIN(RTA_PAYLOAD(tbs[TCA_STATS_QUEUE]), sizeof(q)));
		fprintf(fp, " (dropped %u, overlimits %u requeues %u) ",
			q.drops, q.overlimits, q.requeues);
	}

	if (tbs[TCA_STATS_RATE_EST]) {
		struct gnet_stats_rate_est re = {0};
		memcpy(&re, RTA_DATA(tbs[TCA_STATS_RATE_EST]), MIN(RTA_PAYLOAD(tbs[TCA_STATS_RATE_EST]), sizeof(re)));
		fprintf(fp, "\n%srate %s %upps ",
			prefix, sprint_rate(re.bps, b1), re.pps);
	}

	if (tbs[TCA_STATS_QUEUE]) {
		struct gnet_stats_queue q = {0};
		memcpy(&q, RTA_DATA(tbs[TCA_STATS_QUEUE]), MIN(RTA_PAYLOAD(tbs[TCA_STATS_QUEUE]), sizeof(q)));
		if (!tbs[TCA_STATS_RATE_EST])
			fprintf(fp, "\n%s", prefix);
		fprintf(fp, "backlog %s %up requeues %u ",
			sprint_size(q.backlog, b1), q.qlen, q.requeues);
	}

	if (xstats)
		*xstats = tbs[TCA_STATS_APP] ? : NULL;
}

void print_tcstats_attr(FILE *fp, struct rtattr *tb[], char *prefix, struct rtattr **xstats)
{
	SPRINT_BUF(b1);

	if (tb[TCA_STATS2]) {
		print_tcstats2_attr(fp, tb[TCA_STATS2], prefix, xstats);
		if (xstats && NULL == *xstats)
			goto compat_xstats;
		return;
	}
	/* backward compatibility */
	if (tb[TCA_STATS]) {
		struct tc_stats st;

		/* handle case where kernel returns more/less than we know about */
		memset(&st, 0, sizeof(st));
		memcpy(&st, RTA_DATA(tb[TCA_STATS]), MIN(RTA_PAYLOAD(tb[TCA_STATS]), sizeof(st)));

		fprintf(fp, "%sSent %llu bytes %u pkts (dropped %u, overlimits %u) ",
			prefix, (unsigned long long)st.bytes, st.packets, st.drops,
			st.overlimits);

		if (st.bps || st.pps || st.qlen || st.backlog) {
			fprintf(fp, "\n%s", prefix);
			if (st.bps || st.pps) {
				fprintf(fp, "rate ");
				if (st.bps)
					fprintf(fp, "%s ", sprint_rate(st.bps, b1));
				if (st.pps)
					fprintf(fp, "%upps ", st.pps);
			}
			if (st.qlen || st.backlog) {
				fprintf(fp, "backlog ");
				if (st.backlog)
					fprintf(fp, "%s ", sprint_size(st.backlog, b1));
				if (st.qlen)
					fprintf(fp, "%up ", st.qlen);
			}
		}
	}

compat_xstats:
	if (tb[TCA_XSTATS] && xstats)
		*xstats = tb[TCA_XSTATS];
}
Commit	Line	Data
aba5acdf SH	1	/*
	2	* tc_util.c Misc TC utility functions.
	3	*
	4	* This program is free software; you can redistribute it and/or
	5	* modify it under the terms of the GNU General Public License
	6	* as published by the Free Software Foundation; either version
	7	* 2 of the License, or (at your option) any later version.
	8	*
	9	* Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
	10	*
	11	*/
	12
	13	#include <stdio.h>
	14	#include <stdlib.h>
	15	#include <unistd.h>
	16	#include <syslog.h>
	17	#include <fcntl.h>
	18	#include <sys/socket.h>
	19	#include <netinet/in.h>
	20	#include <arpa/inet.h>
	21	#include <string.h>
	22	#include <math.h>
	23
	24	#include "utils.h"
	25	#include "tc_util.h"
	26
5e3bb534	27	#ifndef LIBDIR
5c434a9e	28	#define LIBDIR "/usr/lib"
b514b358 RA	29	#endif
b514b358 RA	30
aa27f88c SH	31	const char *get_tc_lib(void)
	32	{
	33	const char *lib_dir;
	34
	35	lib_dir = getenv("TC_LIB_DIR");
	36	if (!lib_dir)
5e3bb534	37	lib_dir = LIBDIR "/tc/";
aa27f88c SH	38
	39	return lib_dir;
	40	}
	41
dbd90dc2	42	int get_qdisc_handle(__u32 h, const char str)
aba5acdf SH	43	{
	44	__u32 maj;
	45	char *p;
	46
	47	maj = TC_H_UNSPEC;
	48	if (strcmp(str, "none") == 0)
	49	goto ok;
	50	maj = strtoul(str, &p, 16);
	51	if (p == str)
	52	return -1;
	53	maj <<= 16;
	54	if (p != ':' && p!=0)
	55	return -1;
	56	ok:
	57	*h = maj;
	58	return 0;
	59	}
	60
dbd90dc2	61	int get_tc_classid(__u32 h, const char str)
aba5acdf SH	62	{
	63	__u32 maj, min;
	64	char *p;
	65
	66	maj = TC_H_ROOT;
	67	if (strcmp(str, "root") == 0)
	68	goto ok;
	69	maj = TC_H_UNSPEC;
	70	if (strcmp(str, "none") == 0)
	71	goto ok;
	72	maj = strtoul(str, &p, 16);
	73	if (p == str) {
	74	maj = 0;
	75	if (*p != ':')
	76	return -1;
	77	}
	78	if (*p == ':') {
a8b303cc SH	79	if (maj >= (1<<16))
a8b303cc SH	80	return -1;
aba5acdf SH	81	maj <<= 16;
	82	str = p+1;
	83	min = strtoul(str, &p, 16);
	84	if (*p != 0)
	85	return -1;
a8b303cc SH	86	if (min >= (1<<16))
a8b303cc SH	87	return -1;
aba5acdf SH	88	maj \|= min;
	89	} else if (*p != 0)
	90	return -1;
	91
	92	ok:
	93	*h = maj;
	94	return 0;
	95	}
	96
	97	int print_tc_classid(char *buf, int len, __u32 h)
	98	{
	99	if (h == TC_H_ROOT)
	100	sprintf(buf, "root");
	101	else if (h == TC_H_UNSPEC)
	102	snprintf(buf, len, "none");
	103	else if (TC_H_MAJ(h) == 0)
	104	snprintf(buf, len, ":%x", TC_H_MIN(h));
	105	else if (TC_H_MIN(h) == 0)
	106	snprintf(buf, len, "%x:", TC_H_MAJ(h)>>16);
	107	else
	108	snprintf(buf, len, "%x:%x", TC_H_MAJ(h)>>16, TC_H_MIN(h));
	109	return 0;
	110	}
	111
	112	char * sprint_tc_classid(__u32 h, char *buf)
	113	{
	114	if (print_tc_classid(buf, SPRINT_BSIZE-1, h))
	115	strcpy(buf, "???");
	116	return buf;
	117	}
	118
26ab0b10 SH	119	/* See http://physics.nist.gov/cuu/Units/binary.html */
	120	static const struct rate_suffix {
	121	const char *name;
	122	double scale;
	123	} suffixes[] = {
	124	{ "bit", 1. },
	125	{ "Kibit", 1024. },
	126	{ "kbit", 1000. },
	127	{ "mibit", 1024.*1024. },
	128	{ "mbit", 1000000. },
	129	{ "gibit", 1024.1024.1024. },
	130	{ "gbit", 1000000000. },
	131	{ "tibit", 1024.1024.1024.*1024. },
	132	{ "tbit", 1000000000000. },
	133	{ "Bps", 8. },
	134	{ "KiBps", 8.*1024. },
	135	{ "KBps", 8000. },
	136	{ "MiBps", 8.10241024. },
	137	{ "MBps", 8000000. },
	138	{ "GiBps", 8.1024.1024.*1024. },
	139	{ "GBps", 8000000000. },
	140	{ "TiBps", 8.1024.1024.1024.1024. },
	141	{ "TBps", 8000000000000. },
	142	{ NULL }
	143	};
	144
	145
dbd90dc2	146	int get_rate(unsigned rate, const char str)
aba5acdf SH	147	{
	148	char *p;
	149	double bps = strtod(str, &p);
26ab0b10	150	const struct rate_suffix *s;
aba5acdf SH	151
	152	if (p == str)
	153	return -1;
	154
26ab0b10 SH	155	if (*p == '\0') {
	156	rate = bps / 8.; / assume bytes/sec */
	157	return 0;
	158	}
aba5acdf	159
26ab0b10 SH	160	for (s = suffixes; s->name; ++s) {
	161	if (strcasecmp(s->name, p) == 0) {
	162	rate = (bps s->scale) / 8.;
	163	return 0;
	164	}
	165	}
	166
	167	return -1;
aba5acdf SH	168	}
	169
	170	int get_rate_and_cell(unsigned rate, int cell_log, char *str)
	171	{
	172	char * slash = strchr(str, '/');
	173
	174	if (slash)
	175	*slash = 0;
	176
	177	if (get_rate(rate, str))
	178	return -1;
	179
	180	if (slash) {
	181	int cell;
	182	int i;
	183
	184	if (get_integer(&cell, slash+1, 0))
	185	return -1;
	186	*slash = '/';
	187
	188	for (i=0; i<32; i++) {
	189	if ((1<<i) == cell) {
	190	*cell_log = i;
	191	return 0;
	192	}
	193	}
	194	return -1;
	195	}
	196	return 0;
	197	}
	198
d40b38b4	199	void print_rate(char *buf, int len, __u32 rate)
aba5acdf SH	200	{
aba5acdf SH	201	double tmp = (double)rate*8;
d40b38b4 SH	202	extern int use_iec;
	203
	204	if (use_iec) {
abf1d0b0	205	if (tmp >= 1000.01024.01024.0)
f526af99	206	snprintf(buf, len, "%.0fMibit", tmp/(1024.0*1024.0));
abf1d0b0 SH	207	else if (tmp >= 1000.0*1024)
abf1d0b0 SH	208	snprintf(buf, len, "%.0fKibit", tmp/1024);
d40b38b4	209	else
abf1d0b0 SH	210	snprintf(buf, len, "%.0fbit", tmp);
	211	} else {
	212	if (tmp >= 1000.0*1000000.0)
	213	snprintf(buf, len, "%.0fMbit", tmp/1000000.0);
	214	else if (tmp >= 1000.0 * 1000.0)
	215	snprintf(buf, len, "%.0fKbit", tmp/1000.0);
d40b38b4	216	else
abf1d0b0	217	snprintf(buf, len, "%.0fbit", tmp);
d40b38b4	218	}
aba5acdf SH	219	}
	220
	221	char * sprint_rate(__u32 rate, char *buf)
	222	{
d40b38b4	223	print_rate(buf, SPRINT_BSIZE-1, rate);
aba5acdf SH	224	return buf;
	225	}
	226
8f34caaf	227	int get_time(unsigned time, const char str)
aba5acdf SH	228	{
	229	double t;
	230	char *p;
	231
	232	t = strtod(str, &p);
	233	if (p == str)
	234	return -1;
	235
	236	if (*p) {
	237	if (strcasecmp(p, "s") == 0 \|\| strcasecmp(p, "sec")==0 \|\|
	238	strcasecmp(p, "secs")==0)
f0bda7e5	239	t *= TIME_UNITS_PER_SEC;
aba5acdf SH	240	else if (strcasecmp(p, "ms") == 0 \|\| strcasecmp(p, "msec")==0 \|\|
aba5acdf SH	241	strcasecmp(p, "msecs") == 0)
f0bda7e5	242	t *= TIME_UNITS_PER_SEC/1000;
aba5acdf SH	243	else if (strcasecmp(p, "us") == 0 \|\| strcasecmp(p, "usec")==0 \|\|
aba5acdf SH	244	strcasecmp(p, "usecs") == 0)
f0bda7e5	245	t *= TIME_UNITS_PER_SEC/1000000;
aba5acdf SH	246	else
	247	return -1;
	248	}
	249
8f34caaf	250	*time = t;
aba5acdf SH	251	return 0;
	252	}
	253
	254
8f34caaf	255	void print_time(char *buf, int len, __u32 time)
aba5acdf	256	{
8f34caaf	257	double tmp = time;
aba5acdf	258
f0bda7e5 PM	259	if (tmp >= TIME_UNITS_PER_SEC)
	260	snprintf(buf, len, "%.1fs", tmp/TIME_UNITS_PER_SEC);
	261	else if (tmp >= TIME_UNITS_PER_SEC/1000)
	262	snprintf(buf, len, "%.1fms", tmp/(TIME_UNITS_PER_SEC/1000));
aba5acdf	263	else
89151447	264	snprintf(buf, len, "%uus", time);
aba5acdf SH	265	}
aba5acdf SH	266
8f34caaf	267	char * sprint_time(__u32 time, char *buf)
aba5acdf	268	{
8f34caaf	269	print_time(buf, SPRINT_BSIZE-1, time);
aba5acdf SH	270	return buf;
	271	}
	272
bd29e35d PM	273	char * sprint_ticks(__u32 ticks, char *buf)
	274	{
	275	return sprint_time(tc_core_tick2time(ticks), buf);
	276	}
	277
dbd90dc2	278	int get_size(unsigned size, const char str)
aba5acdf SH	279	{
	280	double sz;
	281	char *p;
	282
	283	sz = strtod(str, &p);
	284	if (p == str)
	285	return -1;
	286
	287	if (*p) {
	288	if (strcasecmp(p, "kb") == 0 \|\| strcasecmp(p, "k")==0)
	289	sz *= 1024;
dbd90dc2 SH	290	else if (strcasecmp(p, "gb") == 0 \|\| strcasecmp(p, "g")==0)
	291	sz = 10241024*1024;
	292	else if (strcasecmp(p, "gbit") == 0)
	293	sz = 10241024*1024/8;
aba5acdf SH	294	else if (strcasecmp(p, "mb") == 0 \|\| strcasecmp(p, "m")==0)
	295	sz = 10241024;
	296	else if (strcasecmp(p, "mbit") == 0)
	297	sz = 10241024/8;
	298	else if (strcasecmp(p, "kbit") == 0)
	299	sz *= 1024/8;
	300	else if (strcasecmp(p, "b") != 0)
	301	return -1;
	302	}
	303
	304	*size = sz;
	305	return 0;
	306	}
	307
	308	int get_size_and_cell(unsigned size, int cell_log, char *str)
	309	{
	310	char * slash = strchr(str, '/');
	311
	312	if (slash)
	313	*slash = 0;
	314
	315	if (get_size(size, str))
	316	return -1;
	317
	318	if (slash) {
	319	int cell;
	320	int i;
	321
	322	if (get_integer(&cell, slash+1, 0))
	323	return -1;
	324	*slash = '/';
	325
	326	for (i=0; i<32; i++) {
	327	if ((1<<i) == cell) {
	328	*cell_log = i;
	329	return 0;
	330	}
	331	}
	332	return -1;
	333	}
	334	return 0;
	335	}
	336
d40b38b4	337	void print_size(char *buf, int len, __u32 sz)
aba5acdf SH	338	{
	339	double tmp = sz;
	340
	341	if (sz >= 10241024 && fabs(10241024rint(tmp/(10241024)) - sz) < 1024)
	342	snprintf(buf, len, "%gMb", rint(tmp/(1024*1024)));
	343	else if (sz >= 1024 && fabs(1024*rint(tmp/1024) - sz) < 16)
	344	snprintf(buf, len, "%gKb", rint(tmp/1024));
	345	else
	346	snprintf(buf, len, "%ub", sz);
aba5acdf SH	347	}
	348
	349	char * sprint_size(__u32 size, char *buf)
	350	{
d40b38b4	351	print_size(buf, SPRINT_BSIZE-1, size);
aba5acdf SH	352	return buf;
	353	}
	354
d40b38b4	355	void print_qdisc_handle(char *buf, int len, __u32 h)
aba5acdf SH	356	{
aba5acdf SH	357	snprintf(buf, len, "%x:", TC_H_MAJ(h)>>16);
aba5acdf SH	358	}
	359
	360	char * sprint_qdisc_handle(__u32 h, char *buf)
	361	{
d40b38b4	362	print_qdisc_handle(buf, SPRINT_BSIZE-1, h);
aba5acdf SH	363	return buf;
	364	}
	365
2373fde9 SH	366	char * action_n2a(int action, char *buf, int len)
	367	{
	368	switch (action) {
	369	case -1:
	370	return "continue";
	371	break;
	372	case TC_ACT_OK:
	373	return "pass";
	374	break;
	375	case TC_ACT_SHOT:
	376	return "drop";
	377	break;
	378	case TC_ACT_RECLASSIFY:
	379	return "reclassify";
	380	case TC_ACT_PIPE:
	381	return "pipe";
	382	case TC_ACT_STOLEN:
	383	return "stolen";
	384	default:
	385	snprintf(buf, len, "%d", action);
	386	return buf;
	387	}
	388	}
aba5acdf	389
2373fde9 SH	390	int action_a2n(char arg, int result)
	391	{
	392	int res;
	393
	394	if (matches(arg, "continue") == 0)
	395	res = -1;
	396	else if (matches(arg, "drop") == 0)
	397	res = TC_ACT_SHOT;
	398	else if (matches(arg, "shot") == 0)
	399	res = TC_ACT_SHOT;
	400	else if (matches(arg, "pass") == 0)
	401	res = TC_ACT_OK;
	402	else if (strcmp(arg, "ok") == 0)
	403	res = TC_ACT_OK;
	404	else if (matches(arg, "reclassify") == 0)
	405	res = TC_ACT_RECLASSIFY;
	406	else {
	407	char dummy;
	408	if (sscanf(arg, "%d%c", &res, &dummy) != 1)
	409	return -1;
	410	}
	411	*result = res;
	412	return 0;
	413	}
	414
839c8456	415	int get_linklayer(unsigned val, const char arg)
292f29b4 JDB	416	{
	417	int res;
	418
	419	if (matches(arg, "ethernet") == 0)
	420	res = LINKLAYER_ETHERNET;
	421	else if (matches(arg, "atm") == 0)
	422	res = LINKLAYER_ATM;
	423	else if (matches(arg, "adsl") == 0)
	424	res = LINKLAYER_ATM;
	425	else
	426	return -1; /* Indicate error */
	427
	428	*val = res;
	429	return 0;
	430	}
	431
839c8456 JK	432	void print_linklayer(char *buf, int len, unsigned linklayer)
	433	{
	434	switch (linklayer) {
	435	case LINKLAYER_UNSPEC:
	436	snprintf(buf, len, "%s", "unspec");
	437	return;
	438	case LINKLAYER_ETHERNET:
	439	snprintf(buf, len, "%s", "ethernet");
	440	return;
	441	case LINKLAYER_ATM:
	442	snprintf(buf, len, "%s", "atm");
	443	return;
	444	default:
	445	snprintf(buf, len, "%s", "unknown");
	446	return;
	447	}
	448	}
	449
	450	char sprint_linklayer(unsigned linklayer, char buf)
	451	{
	452	print_linklayer(buf, SPRINT_BSIZE-1, linklayer);
	453	return buf;
	454	}
	455
6dc9f016	456	void print_tm(FILE * f, const struct tcf_t *tm)
2373fde9	457	{
5e8bc631	458	int hz = get_user_hz();
2373fde9	459	if (tm->install != 0)
63ae25d0	460	fprintf(f, " installed %u sec", (unsigned)(tm->install/hz));
2373fde9	461	if (tm->lastuse != 0)
63ae25d0	462	fprintf(f, " used %u sec", (unsigned)(tm->lastuse/hz));
2373fde9	463	if (tm->expires != 0)
63ae25d0	464	fprintf(f, " expires %u sec", (unsigned)(tm->expires/hz));
2373fde9	465	}
e5879dc6	466
	467	void print_tcstats2_attr(FILE fp, struct rtattr rta, char prefix, struct rtattr *xstats)
	468	{
	469	SPRINT_BUF(b1);
7d69fd97	470	struct rtattr *tbs[TCA_STATS_MAX + 1];
e5879dc6	471
7d69fd97	472	parse_rtattr_nested(tbs, TCA_STATS_MAX, rta);
e5879dc6	473
	474	if (tbs[TCA_STATS_BASIC]) {
	475	struct gnet_stats_basic bs = {0};
	476	memcpy(&bs, RTA_DATA(tbs[TCA_STATS_BASIC]), MIN(RTA_PAYLOAD(tbs[TCA_STATS_BASIC]), sizeof(bs)));
	477	fprintf(fp, "%sSent %llu bytes %u pkt",
b906243b	478	prefix, (unsigned long long) bs.bytes, bs.packets);
e5879dc6	479	}
	480
	481	if (tbs[TCA_STATS_QUEUE]) {
	482	struct gnet_stats_queue q = {0};
	483	memcpy(&q, RTA_DATA(tbs[TCA_STATS_QUEUE]), MIN(RTA_PAYLOAD(tbs[TCA_STATS_QUEUE]), sizeof(q)));
	484	fprintf(fp, " (dropped %u, overlimits %u requeues %u) ",
	485	q.drops, q.overlimits, q.requeues);
	486	}
ae665a52	487
e5879dc6	488	if (tbs[TCA_STATS_RATE_EST]) {
	489	struct gnet_stats_rate_est re = {0};
	490	memcpy(&re, RTA_DATA(tbs[TCA_STATS_RATE_EST]), MIN(RTA_PAYLOAD(tbs[TCA_STATS_RATE_EST]), sizeof(re)));
	491	fprintf(fp, "\n%srate %s %upps ",
	492	prefix, sprint_rate(re.bps, b1), re.pps);
	493	}
	494
	495	if (tbs[TCA_STATS_QUEUE]) {
	496	struct gnet_stats_queue q = {0};
	497	memcpy(&q, RTA_DATA(tbs[TCA_STATS_QUEUE]), MIN(RTA_PAYLOAD(tbs[TCA_STATS_QUEUE]), sizeof(q)));
	498	if (!tbs[TCA_STATS_RATE_EST])
	499	fprintf(fp, "\n%s", prefix);
	500	fprintf(fp, "backlog %s %up requeues %u ",
	501	sprint_size(q.backlog, b1), q.qlen, q.requeues);
	502	}
	503
	504	if (xstats)
	505	*xstats = tbs[TCA_STATS_APP] ? : NULL;
	506	}
	507
	508	void print_tcstats_attr(FILE fp, struct rtattr tb[], char prefix, struct rtattr *xstats)
	509	{
	510	SPRINT_BUF(b1);
	511
	512	if (tb[TCA_STATS2]) {
	513	print_tcstats2_attr(fp, tb[TCA_STATS2], prefix, xstats);
	514	if (xstats && NULL == *xstats)
	515	goto compat_xstats;
	516	return;
	517	}
	518	/* backward compatibility */
	519	if (tb[TCA_STATS]) {
	520	struct tc_stats st;
	521
	522	/* handle case where kernel returns more/less than we know about */
	523	memset(&st, 0, sizeof(st));
	524	memcpy(&st, RTA_DATA(tb[TCA_STATS]), MIN(RTA_PAYLOAD(tb[TCA_STATS]), sizeof(st)));
	525
	526	fprintf(fp, "%sSent %llu bytes %u pkts (dropped %u, overlimits %u) ",
ae665a52	527	prefix, (unsigned long long)st.bytes, st.packets, st.drops,
e5879dc6	528	st.overlimits);
	529
	530	if (st.bps \|\| st.pps \|\| st.qlen \|\| st.backlog) {
	531	fprintf(fp, "\n%s", prefix);
	532	if (st.bps \|\| st.pps) {
	533	fprintf(fp, "rate ");
	534	if (st.bps)
	535	fprintf(fp, "%s ", sprint_rate(st.bps, b1));
	536	if (st.pps)
	537	fprintf(fp, "%upps ", st.pps);
	538	}
	539	if (st.qlen \|\| st.backlog) {
	540	fprintf(fp, "backlog ");
	541	if (st.backlog)
	542	fprintf(fp, "%s ", sprint_size(st.backlog, b1));
	543	if (st.qlen)
	544	fprintf(fp, "%up ", st.qlen);
	545	}
	546	}
	547	}
	548
	549	compat_xstats:
	550	if (tb[TCA_XSTATS] && xstats)
	551	*xstats = tb[TCA_XSTATS];
	552	}
	553