[mirror_iproute2.git] / tc / m_police.c

/*
 * m_police.c		Parse/print policing module options.
 *
 *		This program is free software; you can u32istribute 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>
 * FIXES:       19990619 - J Hadi Salim (hadi@cyberus.ca)
 *		simple addattr packaging fix.
 *		2002: J Hadi Salim - Add tc action extensions syntax
 *
 */

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

struct action_util police_action_util = {
	.id = "police",
	.parse_aopt = act_parse_police,
	.print_aopt = print_police,
};

static void usage(void)
{
	fprintf(stderr, "Usage: ... police rate BPS burst BYTES[/BYTES] [ mtu BYTES[/BYTES] ]\n");
	fprintf(stderr, "                [ peakrate BPS ] [ avrate BPS ] [ overhead BYTES ]\n");
	fprintf(stderr, "                [ linklayer TYPE ] [ CONTROL ]\n");

	fprintf(stderr, "Where: CONTROL := conform-exceed <EXCEEDACT>[/NOTEXCEEDACT]\n");
	fprintf(stderr, "                  Define how to handle packets which exceed (<EXCEEDACT>)\n");
	fprintf(stderr, "                  or conform (<NOTEXCEEDACT>) the configured bandwidth limit.\n");
	fprintf(stderr, "       EXCEEDACT/NOTEXCEEDACT := { pipe | ok | reclassify | drop | continue }\n");
	exit(-1);
}

static void explain1(char *arg)
{
	fprintf(stderr, "Illegal \"%s\"\n", arg);
}

static int get_police_result(int *action, int *result, char *arg)
{
	char *p = strchr(arg, '/');

	if (p)
		*p = 0;

	if (action_a2n(arg, action, true)) {
		if (p)
			*p = '/';
		return -1;
	}

	if (p) {
		*p = '/';
		if (action_a2n(p+1, result, true))
			return -1;
	}
	return 0;
}

int act_parse_police(struct action_util *a, int *argc_p, char ***argv_p,
		     int tca_id, struct nlmsghdr *n)
{
	int argc = *argc_p;
	char **argv = *argv_p;
	int res = -1;
	int ok = 0;
	struct tc_police p = { .action = TC_POLICE_RECLASSIFY };
	__u32 rtab[256];
	__u32 ptab[256];
	__u32 avrate = 0;
	int presult = 0;
	unsigned buffer = 0, mtu = 0, mpu = 0;
	unsigned short overhead = 0;
	unsigned int linklayer = LINKLAYER_ETHERNET; /* Assume ethernet */
	int Rcell_log =  -1, Pcell_log = -1;
	struct rtattr *tail;

	if (a) /* new way of doing things */
		NEXT_ARG();

	if (argc <= 0)
		return -1;

	while (argc > 0) {

		if (matches(*argv, "index") == 0) {
			NEXT_ARG();
			if (get_u32(&p.index, *argv, 10)) {
				fprintf(stderr, "Illegal \"index\"\n");
				return -1;
			}
		} else if (matches(*argv, "burst") == 0 ||
			strcmp(*argv, "buffer") == 0 ||
			strcmp(*argv, "maxburst") == 0) {
			NEXT_ARG();
			if (buffer) {
				fprintf(stderr, "Double \"buffer/burst\" spec\n");
				return -1;
			}
			if (get_size_and_cell(&buffer, &Rcell_log, *argv) < 0) {
				explain1("buffer");
				return -1;
			}
		} else if (strcmp(*argv, "mtu") == 0 ||
			   strcmp(*argv, "minburst") == 0) {
			NEXT_ARG();
			if (mtu) {
				fprintf(stderr, "Double \"mtu/minburst\" spec\n");
				return -1;
			}
			if (get_size_and_cell(&mtu, &Pcell_log, *argv) < 0) {
				explain1("mtu");
				return -1;
			}
		} else if (strcmp(*argv, "mpu") == 0) {
			NEXT_ARG();
			if (mpu) {
				fprintf(stderr, "Double \"mpu\" spec\n");
				return -1;
			}
			if (get_size(&mpu, *argv)) {
				explain1("mpu");
				return -1;
			}
		} else if (strcmp(*argv, "rate") == 0) {
			NEXT_ARG();
			if (p.rate.rate) {
				fprintf(stderr, "Double \"rate\" spec\n");
				return -1;
			}
			if (get_rate(&p.rate.rate, *argv)) {
				explain1("rate");
				return -1;
			}
		} else if (strcmp(*argv, "avrate") == 0) {
			NEXT_ARG();
			if (avrate) {
				fprintf(stderr, "Double \"avrate\" spec\n");
				return -1;
			}
			if (get_rate(&avrate, *argv)) {
				explain1("avrate");
				return -1;
			}
		} else if (matches(*argv, "peakrate") == 0) {
			NEXT_ARG();
			if (p.peakrate.rate) {
				fprintf(stderr, "Double \"peakrate\" spec\n");
				return -1;
			}
			if (get_rate(&p.peakrate.rate, *argv)) {
				explain1("peakrate");
				return -1;
			}
		} else if (matches(*argv, "reclassify") == 0) {
			p.action = TC_POLICE_RECLASSIFY;
		} else if (matches(*argv, "drop") == 0 ||
			   matches(*argv, "shot") == 0) {
			p.action = TC_POLICE_SHOT;
		} else if (matches(*argv, "continue") == 0) {
			p.action = TC_POLICE_UNSPEC;
		} else if (matches(*argv, "pass") == 0) {
			p.action = TC_POLICE_OK;
		} else if (matches(*argv, "pipe") == 0) {
			p.action = TC_POLICE_PIPE;
		} else if (strcmp(*argv, "conform-exceed") == 0) {
			NEXT_ARG();
			if (get_police_result(&p.action, &presult, *argv)) {
				fprintf(stderr, "Illegal \"action\"\n");
				return -1;
			}
		} else if (matches(*argv, "overhead") == 0) {
			NEXT_ARG();
			if (get_u16(&overhead, *argv, 10)) {
				explain1("overhead"); return -1;
			}
		} else if (matches(*argv, "linklayer") == 0) {
			NEXT_ARG();
			if (get_linklayer(&linklayer, *argv)) {
				explain1("linklayer"); return -1;
			}
		} else if (strcmp(*argv, "help") == 0) {
			usage();
		} else {
			break;
		}
		ok++;
		argc--; argv++;
	}

	if (!ok)
		return -1;

	if (p.rate.rate && avrate)
		return -1;

	/* Must at least do late binding, use TB or ewma policing */
	if (!p.rate.rate && !avrate && !p.index) {
		fprintf(stderr, "\"rate\" or \"avrate\" MUST be specified.\n");
		return -1;
	}

	/* When the TB policer is used, burst is required */
	if (p.rate.rate && !buffer && !avrate) {
		fprintf(stderr, "\"burst\" requires \"rate\".\n");
		return -1;
	}

	if (p.peakrate.rate) {
		if (!p.rate.rate) {
			fprintf(stderr, "\"peakrate\" requires \"rate\".\n");
			return -1;
		}
		if (!mtu) {
			fprintf(stderr, "\"mtu\" is required, if \"peakrate\" is requested.\n");
			return -1;
		}
	}

	if (p.rate.rate) {
		p.rate.mpu = mpu;
		p.rate.overhead = overhead;
		if (tc_calc_rtable(&p.rate, rtab, Rcell_log, mtu,
				   linklayer) < 0) {
			fprintf(stderr, "POLICE: failed to calculate rate table.\n");
			return -1;
		}
		p.burst = tc_calc_xmittime(p.rate.rate, buffer);
	}
	p.mtu = mtu;
	if (p.peakrate.rate) {
		p.peakrate.mpu = mpu;
		p.peakrate.overhead = overhead;
		if (tc_calc_rtable(&p.peakrate, ptab, Pcell_log, mtu,
				   linklayer) < 0) {
			fprintf(stderr, "POLICE: failed to calculate peak rate table.\n");
			return -1;
		}
	}

	tail = NLMSG_TAIL(n);
	addattr_l(n, MAX_MSG, tca_id, NULL, 0);
	addattr_l(n, MAX_MSG, TCA_POLICE_TBF, &p, sizeof(p));
	if (p.rate.rate)
		addattr_l(n, MAX_MSG, TCA_POLICE_RATE, rtab, 1024);
	if (p.peakrate.rate)
		addattr_l(n, MAX_MSG, TCA_POLICE_PEAKRATE, ptab, 1024);
	if (avrate)
		addattr32(n, MAX_MSG, TCA_POLICE_AVRATE, avrate);
	if (presult)
		addattr32(n, MAX_MSG, TCA_POLICE_RESULT, presult);

	tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail;
	res = 0;

	*argc_p = argc;
	*argv_p = argv;
	return res;
}

int parse_police(int *argc_p, char ***argv_p, int tca_id, struct nlmsghdr *n)
{
	return act_parse_police(NULL, argc_p, argv_p, tca_id, n);
}

int print_police(struct action_util *a, FILE *f, struct rtattr *arg)
{
	SPRINT_BUF(b1);
	SPRINT_BUF(b2);
	struct tc_police *p;
	struct rtattr *tb[TCA_POLICE_MAX+1];
	unsigned int buffer;
	unsigned int linklayer;

	if (arg == NULL)
		return 0;

	parse_rtattr_nested(tb, TCA_POLICE_MAX, arg);

	if (tb[TCA_POLICE_TBF] == NULL) {
		fprintf(f, "[NULL police tbf]");
		return 0;
	}
#ifndef STOOPID_8BYTE
	if (RTA_PAYLOAD(tb[TCA_POLICE_TBF])  < sizeof(*p)) {
		fprintf(f, "[truncated police tbf]");
		return -1;
	}
#endif
	p = RTA_DATA(tb[TCA_POLICE_TBF]);

	fprintf(f, " police 0x%x ", p->index);
	fprintf(f, "rate %s ", sprint_rate(p->rate.rate, b1));
	buffer = tc_calc_xmitsize(p->rate.rate, p->burst);
	fprintf(f, "burst %s ", sprint_size(buffer, b1));
	fprintf(f, "mtu %s ", sprint_size(p->mtu, b1));
	if (show_raw)
		fprintf(f, "[%08x] ", p->burst);

	if (p->peakrate.rate)
		fprintf(f, "peakrate %s ", sprint_rate(p->peakrate.rate, b1));

	if (tb[TCA_POLICE_AVRATE])
		fprintf(f, "avrate %s ",
			sprint_rate(rta_getattr_u32(tb[TCA_POLICE_AVRATE]),
				    b1));
	fprintf(f, "action %s", action_n2a(p->action));

	if (tb[TCA_POLICE_RESULT]) {
		__u32 action = rta_getattr_u32(tb[TCA_POLICE_RESULT]);

		fprintf(f, "/%s ", action_n2a(action));
	} else
		fprintf(f, " ");

	fprintf(f, "overhead %ub ", p->rate.overhead);
	linklayer = (p->rate.linklayer & TC_LINKLAYER_MASK);
	if (linklayer > TC_LINKLAYER_ETHERNET || show_details)
		fprintf(f, "linklayer %s ", sprint_linklayer(linklayer, b2));
	fprintf(f, "\n\tref %d bind %d", p->refcnt, p->bindcnt);
	if (show_stats) {
		if (tb[TCA_POLICE_TM]) {
			struct tcf_t *tm = RTA_DATA(tb[TCA_POLICE_TM]);

			print_tm(f, tm);
		}
	}
	fprintf(f, "\n");


	return 0;
}

int tc_print_police(FILE *f, struct rtattr *arg)
{
	return print_police(&police_action_util, f, arg);
}
Commit	Line	Data
aba5acdf SH	1	/*
	2	* m_police.c Parse/print policing module options.
	3	*
	4	* This program is free software; you can u32istribute 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>
ae665a52 SH	10	* FIXES: 19990619 - J Hadi Salim (hadi@cyberus.ca)
ae665a52 SH	11	* simple addattr packaging fix.
2373fde9 SH	12	* 2002: J Hadi Salim - Add tc action extensions syntax
2373fde9 SH	13	*
aba5acdf SH	14	*/
	15
	16	#include <stdio.h>
	17	#include <stdlib.h>
	18	#include <unistd.h>
	19	#include <syslog.h>
	20	#include <fcntl.h>
	21	#include <sys/socket.h>
	22	#include <netinet/in.h>
	23	#include <arpa/inet.h>
	24	#include <string.h>
	25
	26	#include "utils.h"
	27	#include "tc_util.h"
	28
95812b56	29	struct action_util police_action_util = {
2373fde9 SH	30	.id = "police",
	31	.parse_aopt = act_parse_police,
	32	.print_aopt = print_police,
2373fde9 SH	33	};
2373fde9 SH	34
ebf32083	35	static void usage(void)
aba5acdf SH	36	{
aba5acdf SH	37	fprintf(stderr, "Usage: ... police rate BPS burst BYTES[/BYTES] [ mtu BYTES[/BYTES] ]\n");
f71f75f3	38	fprintf(stderr, " [ peakrate BPS ] [ avrate BPS ] [ overhead BYTES ]\n");
3de88c4b	39	fprintf(stderr, " [ linklayer TYPE ] [ CONTROL ]\n");
292f29b4	40
3de88c4b RM	41	fprintf(stderr, "Where: CONTROL := conform-exceed <EXCEEDACT>[/NOTEXCEEDACT]\n");
	42	fprintf(stderr, " Define how to handle packets which exceed (<EXCEEDACT>)\n");
	43	fprintf(stderr, " or conform (<NOTEXCEEDACT>) the configured bandwidth limit.\n");
	44	fprintf(stderr, " EXCEEDACT/NOTEXCEEDACT := { pipe \| ok \| reclassify \| drop \| continue }\n");
ebf32083	45	exit(-1);
aba5acdf SH	46	}
	47
	48	static void explain1(char *arg)
	49	{
	50	fprintf(stderr, "Illegal \"%s\"\n", arg);
	51	}
	52
d1f28cf1	53	static int get_police_result(int action, int result, char *arg)
aba5acdf SH	54	{
	55	char *p = strchr(arg, '/');
	56
	57	if (p)
	58	*p = 0;
	59
69f5aff6	60	if (action_a2n(arg, action, true)) {
aba5acdf SH	61	if (p)
	62	*p = '/';
	63	return -1;
	64	}
	65
	66	if (p) {
	67	*p = '/';
69f5aff6	68	if (action_a2n(p+1, result, true))
aba5acdf SH	69	return -1;
	70	}
	71	return 0;
	72	}
	73
45c68379 JHS	74	int act_parse_police(struct action_util a, int argc_p, char ***argv_p,
45c68379 JHS	75	int tca_id, struct nlmsghdr *n)
aba5acdf SH	76	{
	77	int argc = *argc_p;
	78	char *argv = argv_p;
	79	int res = -1;
32a121cb	80	int ok = 0;
d17b136f	81	struct tc_police p = { .action = TC_POLICE_RECLASSIFY };
aba5acdf SH	82	__u32 rtab[256];
	83	__u32 ptab[256];
	84	__u32 avrate = 0;
	85	int presult = 0;
32a121cb SH	86	unsigned buffer = 0, mtu = 0, mpu = 0;
32a121cb SH	87	unsigned short overhead = 0;
292f29b4	88	unsigned int linklayer = LINKLAYER_ETHERNET; /* Assume ethernet */
32a121cb	89	int Rcell_log = -1, Pcell_log = -1;
aba5acdf SH	90	struct rtattr *tail;
aba5acdf SH	91
2373fde9 SH	92	if (a) /* new way of doing things */
	93	NEXT_ARG();
	94
aba5acdf SH	95	if (argc <= 0)
	96	return -1;
	97
	98	while (argc > 0) {
2373fde9	99
aba5acdf SH	100	if (matches(*argv, "index") == 0) {
aba5acdf SH	101	NEXT_ARG();
2373fde9	102	if (get_u32(&p.index, *argv, 10)) {
aba5acdf SH	103	fprintf(stderr, "Illegal \"index\"\n");
	104	return -1;
	105	}
	106	} else if (matches(*argv, "burst") == 0 \|\|
	107	strcmp(*argv, "buffer") == 0 \|\|
	108	strcmp(*argv, "maxburst") == 0) {
	109	NEXT_ARG();
	110	if (buffer) {
	111	fprintf(stderr, "Double \"buffer/burst\" spec\n");
	112	return -1;
	113	}
	114	if (get_size_and_cell(&buffer, &Rcell_log, *argv) < 0) {
	115	explain1("buffer");
	116	return -1;
	117	}
	118	} else if (strcmp(*argv, "mtu") == 0 \|\|
	119	strcmp(*argv, "minburst") == 0) {
	120	NEXT_ARG();
	121	if (mtu) {
	122	fprintf(stderr, "Double \"mtu/minburst\" spec\n");
	123	return -1;
	124	}
	125	if (get_size_and_cell(&mtu, &Pcell_log, *argv) < 0) {
	126	explain1("mtu");
	127	return -1;
	128	}
	129	} else if (strcmp(*argv, "mpu") == 0) {
	130	NEXT_ARG();
	131	if (mpu) {
	132	fprintf(stderr, "Double \"mpu\" spec\n");
	133	return -1;
	134	}
	135	if (get_size(&mpu, *argv)) {
	136	explain1("mpu");
	137	return -1;
	138	}
	139	} else if (strcmp(*argv, "rate") == 0) {
	140	NEXT_ARG();
	141	if (p.rate.rate) {
	142	fprintf(stderr, "Double \"rate\" spec\n");
	143	return -1;
	144	}
	145	if (get_rate(&p.rate.rate, *argv)) {
	146	explain1("rate");
	147	return -1;
	148	}
	149	} else if (strcmp(*argv, "avrate") == 0) {
	150	NEXT_ARG();
	151	if (avrate) {
	152	fprintf(stderr, "Double \"avrate\" spec\n");
	153	return -1;
	154	}
	155	if (get_rate(&avrate, *argv)) {
	156	explain1("avrate");
	157	return -1;
	158	}
	159	} else if (matches(*argv, "peakrate") == 0) {
	160	NEXT_ARG();
	161	if (p.peakrate.rate) {
	162	fprintf(stderr, "Double \"peakrate\" spec\n");
	163	return -1;
	164	}
	165	if (get_rate(&p.peakrate.rate, *argv)) {
	166	explain1("peakrate");
167	return -1;
168	}
169	} else if (matches(*argv, "reclassify") == 0) {
170	p.action = TC_POLICE_RECLASSIFY;
171	} else if (matches(*argv, "drop") == 0 \|\|
172	matches(*argv, "shot") == 0) {
173	p.action = TC_POLICE_SHOT;
174	} else if (matches(*argv, "continue") == 0) {
175	p.action = TC_POLICE_UNSPEC;
176	} else if (matches(*argv, "pass") == 0) {
177	p.action = TC_POLICE_OK;
2373fde9 SH	178	} else if (matches(*argv, "pipe") == 0) {
2373fde9 SH	179	p.action = TC_POLICE_PIPE;
4bfb21ca	180	} else if (strcmp(*argv, "conform-exceed") == 0) {
aba5acdf SH	181	NEXT_ARG();
	182	if (get_police_result(&p.action, &presult, *argv)) {
	183	fprintf(stderr, "Illegal \"action\"\n");
	184	return -1;
	185	}
f71f75f3 JDB	186	} else if (matches(*argv, "overhead") == 0) {
	187	NEXT_ARG();
	188	if (get_u16(&overhead, *argv, 10)) {
	189	explain1("overhead"); return -1;
	190	}
292f29b4 JDB	191	} else if (matches(*argv, "linklayer") == 0) {
	192	NEXT_ARG();
	193	if (get_linklayer(&linklayer, *argv)) {
	194	explain1("linklayer"); return -1;
	195	}
aba5acdf	196	} else if (strcmp(*argv, "help") == 0) {
ebf32083	197	usage();
aba5acdf	198	} else {
ef1d6f97	199	break;
aba5acdf SH	200	}
	201	ok++;
	202	argc--; argv++;
	203	}
	204
	205	if (!ok)
	206	return -1;
	207
45c68379 JHS	208	if (p.rate.rate && avrate)
	209	return -1;
	210
	211	/* Must at least do late binding, use TB or ewma policing */
	212	if (!p.rate.rate && !avrate && !p.index) {
	213	fprintf(stderr, "\"rate\" or \"avrate\" MUST be specified.\n");
	214	return -1;
	215	}
	216
	217	/* When the TB policer is used, burst is required */
	218	if (p.rate.rate && !buffer && !avrate) {
aba5acdf SH	219	fprintf(stderr, "\"burst\" requires \"rate\".\n");
	220	return -1;
	221	}
45c68379	222
aba5acdf SH	223	if (p.peakrate.rate) {
	224	if (!p.rate.rate) {
	225	fprintf(stderr, "\"peakrate\" requires \"rate\".\n");
	226	return -1;
	227	}
	228	if (!mtu) {
	229	fprintf(stderr, "\"mtu\" is required, if \"peakrate\" is requested.\n");
	230	return -1;
	231	}
	232	}
	233
	234	if (p.rate.rate) {
d5f46f9c	235	p.rate.mpu = mpu;
f71f75f3	236	p.rate.overhead = overhead;
45c68379 JHS	237	if (tc_calc_rtable(&p.rate, rtab, Rcell_log, mtu,
	238	linklayer) < 0) {
	239	fprintf(stderr, "POLICE: failed to calculate rate table.\n");
aba5acdf SH	240	return -1;
	241	}
	242	p.burst = tc_calc_xmittime(p.rate.rate, buffer);
aba5acdf SH	243	}
	244	p.mtu = mtu;
	245	if (p.peakrate.rate) {
d5f46f9c	246	p.peakrate.mpu = mpu;
f71f75f3	247	p.peakrate.overhead = overhead;
45c68379 JHS	248	if (tc_calc_rtable(&p.peakrate, ptab, Pcell_log, mtu,
45c68379 JHS	249	linklayer) < 0) {
aba5acdf SH	250	fprintf(stderr, "POLICE: failed to calculate peak rate table.\n");
	251	return -1;
	252	}
aba5acdf SH	253	}
aba5acdf SH	254
1b52a762	255	tail = NLMSG_TAIL(n);
2373fde9 SH	256	addattr_l(n, MAX_MSG, tca_id, NULL, 0);
2373fde9 SH	257	addattr_l(n, MAX_MSG, TCA_POLICE_TBF, &p, sizeof(p));
aba5acdf	258	if (p.rate.rate)
2373fde9	259	addattr_l(n, MAX_MSG, TCA_POLICE_RATE, rtab, 1024);
aba5acdf	260	if (p.peakrate.rate)
32a121cb	261	addattr_l(n, MAX_MSG, TCA_POLICE_PEAKRATE, ptab, 1024);
aba5acdf	262	if (avrate)
2373fde9	263	addattr32(n, MAX_MSG, TCA_POLICE_AVRATE, avrate);
aba5acdf	264	if (presult)
2373fde9	265	addattr32(n, MAX_MSG, TCA_POLICE_RESULT, presult);
aba5acdf	266
1b52a762	267	tail->rta_len = (void ) NLMSG_TAIL(n) - (void ) tail;
aba5acdf SH	268	res = 0;
	269
	270	*argc_p = argc;
	271	*argv_p = argv;
	272	return res;
	273	}
	274
2373fde9 SH	275	int parse_police(int argc_p, char *argv_p, int tca_id, struct nlmsghdr n)
2373fde9 SH	276	{
32a121cb	277	return act_parse_police(NULL, argc_p, argv_p, tca_id, n);
2373fde9	278	}
aba5acdf	279
45c68379	280	int print_police(struct action_util a, FILE f, struct rtattr *arg)
aba5acdf SH	281	{
aba5acdf SH	282	SPRINT_BUF(b1);
3e92ff52	283	SPRINT_BUF(b2);
aba5acdf SH	284	struct tc_police *p;
aba5acdf SH	285	struct rtattr *tb[TCA_POLICE_MAX+1];
32a121cb	286	unsigned int buffer;
3e92ff52	287	unsigned int linklayer;
aba5acdf SH	288
	289	if (arg == NULL)
	290	return 0;
	291
14ee9e61	292	parse_rtattr_nested(tb, TCA_POLICE_MAX, arg);
aba5acdf SH	293
	294	if (tb[TCA_POLICE_TBF] == NULL) {
	295	fprintf(f, "[NULL police tbf]");
	296	return 0;
	297	}
2373fde9	298	#ifndef STOOPID_8BYTE
aba5acdf SH	299	if (RTA_PAYLOAD(tb[TCA_POLICE_TBF]) < sizeof(*p)) {
	300	fprintf(f, "[truncated police tbf]");
	301	return -1;
	302	}
2373fde9	303	#endif
aba5acdf SH	304	p = RTA_DATA(tb[TCA_POLICE_TBF]);
aba5acdf SH	305
2373fde9	306	fprintf(f, " police 0x%x ", p->index);
aba5acdf	307	fprintf(f, "rate %s ", sprint_rate(p->rate.rate, b1));
76dc0aa2	308	buffer = tc_calc_xmitsize(p->rate.rate, p->burst);
aba5acdf SH	309	fprintf(f, "burst %s ", sprint_size(buffer, b1));
	310	fprintf(f, "mtu %s ", sprint_size(p->mtu, b1));
	311	if (show_raw)
	312	fprintf(f, "[%08x] ", p->burst);
e6263c85	313
aba5acdf SH	314	if (p->peakrate.rate)
aba5acdf SH	315	fprintf(f, "peakrate %s ", sprint_rate(p->peakrate.rate, b1));
e6263c85	316
aba5acdf	317	if (tb[TCA_POLICE_AVRATE])
45c68379 JHS	318	fprintf(f, "avrate %s ",
	319	sprint_rate(rta_getattr_u32(tb[TCA_POLICE_AVRATE]),
	320	b1));
70932006	321	fprintf(f, "action %s", action_n2a(p->action));
e6263c85	322
2373fde9	323	if (tb[TCA_POLICE_RESULT]) {
e6263c85 SH	324	__u32 action = rta_getattr_u32(tb[TCA_POLICE_RESULT]);
e6263c85 SH	325
cef49e51	326	fprintf(f, "/%s ", action_n2a(action));
2373fde9 SH	327	} else
2373fde9 SH	328	fprintf(f, " ");
e6263c85	329
f71f75f3	330	fprintf(f, "overhead %ub ", p->rate.overhead);
3e92ff52 JDB	331	linklayer = (p->rate.linklayer & TC_LINKLAYER_MASK);
	332	if (linklayer > TC_LINKLAYER_ETHERNET \|\| show_details)
	333	fprintf(f, "linklayer %s ", sprint_linklayer(linklayer, b2));
ead954cb JHS	334	fprintf(f, "\n\tref %d bind %d", p->refcnt, p->bindcnt);
	335	if (show_stats) {
	336	if (tb[TCA_POLICE_TM]) {
	337	struct tcf_t *tm = RTA_DATA(tb[TCA_POLICE_TM]);
	338
	339	print_tm(f, tm);
	340	}
	341	}
	342	fprintf(f, "\n");
	343
aba5acdf SH	344
	345	return 0;
	346	}
	347
45c68379 JHS	348	int tc_print_police(FILE f, struct rtattr arg)
45c68379 JHS	349	{
32a121cb	350	return print_police(&police_action_util, f, arg);
2373fde9	351	}