[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, "                [ ACTIONTERM ]\n");
	fprintf(stderr, "Old Syntax ACTIONTERM := action <EXCEEDACT>[/NOTEXCEEDACT] \n");
	fprintf(stderr, "New Syntax ACTIONTERM := conform-exceed <EXCEEDACT>[/NOTEXCEEDACT] \n");
	fprintf(stderr, "Where: *EXCEEDACT := pipe | ok | reclassify | drop | continue \n");
	fprintf(stderr, "Where:  pipe is only valid for new syntax \n");
	exit(-1);
}

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

char *police_action_n2a(int action, char *buf, int len)
{
	switch (action) {
	case -1:
		return "continue";
		break;
	case TC_POLICE_OK:
		return "pass";
		break;
	case TC_POLICE_SHOT:
		return "drop";
		break;
	case TC_POLICE_RECLASSIFY:
		return "reclassify";
	case TC_POLICE_PIPE:
		return "pipe";
	default:
		snprintf(buf, len, "%d", action);
		return buf;
	}
}

int police_action_a2n(char *arg, int *result)
{
	int res;

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


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

	if (p)
		*p = 0;

	if (police_action_a2n(arg, action)) {
		if (p)
			*p = '/';
		return -1;
	}

	if (p) {
		*p = '/';
		if (police_action_a2n(p+1, result))
			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;
	__u32 rtab[256];
	__u32 ptab[256];
	__u32 avrate = 0;
	int presult = 0;
	unsigned buffer=0, mtu=0, mpu=0;
	unsigned short overhead=0;
	int Rcell_log=-1, Pcell_log = -1;
	struct rtattr *tail;

	memset(&p, 0, sizeof(p));
	p.action = TC_POLICE_RECLASSIFY;

	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, "action") == 0 ||
			   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 (strcmp(*argv, "help") == 0) {
			usage();
		} else {
			break;
		}
		ok++;
		argc--; argv++;
	}

	if (!ok)
		return -1;

	if (p.rate.rate && !buffer) {
		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) < 0) {
			fprintf(stderr, "TBF: 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) < 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);
	struct tc_police *p;
	struct rtattr *tb[TCA_POLICE_MAX+1];
	unsigned buffer;

	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(*(__u32*)RTA_DATA(tb[TCA_POLICE_AVRATE]), b1));
	fprintf(f, "action %s", police_action_n2a(p->action, b1, sizeof(b1)));
	if (tb[TCA_POLICE_RESULT]) {
		fprintf(f, "/%s ", police_action_n2a(*(int*)RTA_DATA(tb[TCA_POLICE_RESULT]), b1, sizeof(b1)));
	} else
		fprintf(f, " ");
	fprintf(f, "overhead %ub ", p->rate.overhead);
	fprintf(f, "\nref %d bind %d\n",p->refcnt, p->bindcnt);

	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");
2373fde9	39	fprintf(stderr, " [ ACTIONTERM ]\n");
ef1d6f97	40	fprintf(stderr, "Old Syntax ACTIONTERM := action <EXCEEDACT>[/NOTEXCEEDACT] \n");
ae665a52	41	fprintf(stderr, "New Syntax ACTIONTERM := conform-exceed <EXCEEDACT>[/NOTEXCEEDACT] \n");
2373fde9 SH	42	fprintf(stderr, "Where: *EXCEEDACT := pipe \| ok \| reclassify \| drop \| continue \n");
2373fde9 SH	43	fprintf(stderr, "Where: pipe is only valid for new syntax \n");
ebf32083	44	exit(-1);
aba5acdf SH	45	}
	46
	47	static void explain1(char *arg)
	48	{
	49	fprintf(stderr, "Illegal \"%s\"\n", arg);
	50	}
	51
aba5acdf SH	52	char police_action_n2a(int action, char buf, int len)
	53	{
	54	switch (action) {
	55	case -1:
	56	return "continue";
	57	break;
	58	case TC_POLICE_OK:
	59	return "pass";
	60	break;
	61	case TC_POLICE_SHOT:
	62	return "drop";
	63	break;
	64	case TC_POLICE_RECLASSIFY:
	65	return "reclassify";
2373fde9 SH	66	case TC_POLICE_PIPE:
2373fde9 SH	67	return "pipe";
aba5acdf SH	68	default:
	69	snprintf(buf, len, "%d", action);
	70	return buf;
	71	}
	72	}
	73
	74	int police_action_a2n(char arg, int result)
	75	{
	76	int res;
	77
	78	if (matches(arg, "continue") == 0)
	79	res = -1;
	80	else if (matches(arg, "drop") == 0)
	81	res = TC_POLICE_SHOT;
	82	else if (matches(arg, "shot") == 0)
	83	res = TC_POLICE_SHOT;
	84	else if (matches(arg, "pass") == 0)
	85	res = TC_POLICE_OK;
	86	else if (strcmp(arg, "ok") == 0)
	87	res = TC_POLICE_OK;
	88	else if (matches(arg, "reclassify") == 0)
	89	res = TC_POLICE_RECLASSIFY;
2373fde9 SH	90	else if (matches(arg, "pipe") == 0)
2373fde9 SH	91	res = TC_POLICE_PIPE;
aba5acdf SH	92	else {
	93	char dummy;
	94	if (sscanf(arg, "%d%c", &res, &dummy) != 1)
	95	return -1;
	96	}
	97	*result = res;
	98	return 0;
	99	}
	100
	101
	102	int get_police_result(int action, int result, char *arg)
	103	{
	104	char *p = strchr(arg, '/');
	105
	106	if (p)
	107	*p = 0;
	108
	109	if (police_action_a2n(arg, action)) {
	110	if (p)
	111	*p = '/';
	112	return -1;
	113	}
	114
	115	if (p) {
	116	*p = '/';
	117	if (police_action_a2n(p+1, result))
	118	return -1;
	119	}
	120	return 0;
	121	}
	122
2373fde9 SH	123
2373fde9 SH	124	int act_parse_police(struct action_util a,int argc_p, char **argv_p, int tca_id, struct nlmsghdr n)
aba5acdf SH	125	{
	126	int argc = *argc_p;
	127	char *argv = argv_p;
	128	int res = -1;
	129	int ok=0;
	130	struct tc_police p;
	131	__u32 rtab[256];
	132	__u32 ptab[256];
	133	__u32 avrate = 0;
	134	int presult = 0;
	135	unsigned buffer=0, mtu=0, mpu=0;
1a5bd776	136	unsigned short overhead=0;
ae665a52	137	int Rcell_log=-1, Pcell_log = -1;
aba5acdf SH	138	struct rtattr *tail;
	139
	140	memset(&p, 0, sizeof(p));
	141	p.action = TC_POLICE_RECLASSIFY;
	142
2373fde9 SH	143	if (a) /* new way of doing things */
	144	NEXT_ARG();
	145
aba5acdf SH	146	if (argc <= 0)
	147	return -1;
	148
	149	while (argc > 0) {
2373fde9	150
aba5acdf SH	151	if (matches(*argv, "index") == 0) {
aba5acdf SH	152	NEXT_ARG();
2373fde9	153	if (get_u32(&p.index, *argv, 10)) {
aba5acdf SH	154	fprintf(stderr, "Illegal \"index\"\n");
	155	return -1;
	156	}
	157	} else if (matches(*argv, "burst") == 0 \|\|
	158	strcmp(*argv, "buffer") == 0 \|\|
	159	strcmp(*argv, "maxburst") == 0) {
	160	NEXT_ARG();
	161	if (buffer) {
	162	fprintf(stderr, "Double \"buffer/burst\" spec\n");
	163	return -1;
	164	}
	165	if (get_size_and_cell(&buffer, &Rcell_log, *argv) < 0) {
	166	explain1("buffer");
	167	return -1;
	168	}
	169	} else if (strcmp(*argv, "mtu") == 0 \|\|
	170	strcmp(*argv, "minburst") == 0) {
	171	NEXT_ARG();
	172	if (mtu) {
	173	fprintf(stderr, "Double \"mtu/minburst\" spec\n");
	174	return -1;
	175	}
	176	if (get_size_and_cell(&mtu, &Pcell_log, *argv) < 0) {
	177	explain1("mtu");
	178	return -1;
	179	}
	180	} else if (strcmp(*argv, "mpu") == 0) {
	181	NEXT_ARG();
	182	if (mpu) {
	183	fprintf(stderr, "Double \"mpu\" spec\n");
	184	return -1;
	185	}
	186	if (get_size(&mpu, *argv)) {
	187	explain1("mpu");
	188	return -1;
	189	}
	190	} else if (strcmp(*argv, "rate") == 0) {
	191	NEXT_ARG();
	192	if (p.rate.rate) {
	193	fprintf(stderr, "Double \"rate\" spec\n");
	194	return -1;
	195	}
	196	if (get_rate(&p.rate.rate, *argv)) {
	197	explain1("rate");
	198	return -1;
	199	}
	200	} else if (strcmp(*argv, "avrate") == 0) {
	201	NEXT_ARG();
	202	if (avrate) {
	203	fprintf(stderr, "Double \"avrate\" spec\n");
	204	return -1;
	205	}
	206	if (get_rate(&avrate, *argv)) {
	207	explain1("avrate");
	208	return -1;
	209	}
	210	} else if (matches(*argv, "peakrate") == 0) {
	211	NEXT_ARG();
	212	if (p.peakrate.rate) {
	213	fprintf(stderr, "Double \"peakrate\" spec\n");
	214	return -1;
	215	}
	216	if (get_rate(&p.peakrate.rate, *argv)) {
	217	explain1("peakrate");
218	return -1;
219	}
220	} else if (matches(*argv, "reclassify") == 0) {
221	p.action = TC_POLICE_RECLASSIFY;
222	} else if (matches(*argv, "drop") == 0 \|\|
223	matches(*argv, "shot") == 0) {
224	p.action = TC_POLICE_SHOT;
225	} else if (matches(*argv, "continue") == 0) {
226	p.action = TC_POLICE_UNSPEC;
227	} else if (matches(*argv, "pass") == 0) {
228	p.action = TC_POLICE_OK;
2373fde9 SH	229	} else if (matches(*argv, "pipe") == 0) {
2373fde9 SH	230	p.action = TC_POLICE_PIPE;
c29391c7 PM	231	} else if (strcmp(*argv, "action") == 0 \|\|
c29391c7 PM	232	strcmp(*argv, "conform-exceed") == 0) {
aba5acdf SH	233	NEXT_ARG();
	234	if (get_police_result(&p.action, &presult, *argv)) {
	235	fprintf(stderr, "Illegal \"action\"\n");
	236	return -1;
	237	}
f71f75f3 JDB	238	} else if (matches(*argv, "overhead") == 0) {
	239	NEXT_ARG();
	240	if (get_u16(&overhead, *argv, 10)) {
	241	explain1("overhead"); return -1;
	242	}
aba5acdf	243	} else if (strcmp(*argv, "help") == 0) {
ebf32083	244	usage();
aba5acdf	245	} else {
ef1d6f97	246	break;
aba5acdf SH	247	}
	248	ok++;
	249	argc--; argv++;
	250	}
	251
	252	if (!ok)
	253	return -1;
	254
	255	if (p.rate.rate && !buffer) {
	256	fprintf(stderr, "\"burst\" requires \"rate\".\n");
	257	return -1;
	258	}
	259	if (p.peakrate.rate) {
	260	if (!p.rate.rate) {
	261	fprintf(stderr, "\"peakrate\" requires \"rate\".\n");
	262	return -1;
	263	}
	264	if (!mtu) {
	265	fprintf(stderr, "\"mtu\" is required, if \"peakrate\" is requested.\n");
	266	return -1;
	267	}
	268	}
	269
	270	if (p.rate.rate) {
d5f46f9c	271	p.rate.mpu = mpu;
f71f75f3	272	p.rate.overhead = overhead;
d5f46f9c	273	if (tc_calc_rtable(&p.rate, rtab, Rcell_log, mtu) < 0) {
aba5acdf SH	274	fprintf(stderr, "TBF: failed to calculate rate table.\n");
	275	return -1;
	276	}
	277	p.burst = tc_calc_xmittime(p.rate.rate, buffer);
aba5acdf SH	278	}
	279	p.mtu = mtu;
	280	if (p.peakrate.rate) {
d5f46f9c	281	p.peakrate.mpu = mpu;
f71f75f3	282	p.peakrate.overhead = overhead;
d5f46f9c	283	if (tc_calc_rtable(&p.peakrate, ptab, Pcell_log, mtu) < 0) {
aba5acdf SH	284	fprintf(stderr, "POLICE: failed to calculate peak rate table.\n");
	285	return -1;
	286	}
aba5acdf SH	287	}
aba5acdf SH	288
1b52a762	289	tail = NLMSG_TAIL(n);
2373fde9 SH	290	addattr_l(n, MAX_MSG, tca_id, NULL, 0);
2373fde9 SH	291	addattr_l(n, MAX_MSG, TCA_POLICE_TBF, &p, sizeof(p));
aba5acdf	292	if (p.rate.rate)
2373fde9	293	addattr_l(n, MAX_MSG, TCA_POLICE_RATE, rtab, 1024);
aba5acdf	294	if (p.peakrate.rate)
2373fde9	295	addattr_l(n, MAX_MSG, TCA_POLICE_PEAKRATE, ptab, 1024);
aba5acdf	296	if (avrate)
2373fde9	297	addattr32(n, MAX_MSG, TCA_POLICE_AVRATE, avrate);
aba5acdf	298	if (presult)
2373fde9	299	addattr32(n, MAX_MSG, TCA_POLICE_RESULT, presult);
aba5acdf	300
1b52a762	301	tail->rta_len = (void ) NLMSG_TAIL(n) - (void ) tail;
aba5acdf SH	302	res = 0;
	303
	304	*argc_p = argc;
	305	*argv_p = argv;
	306	return res;
	307	}
	308
2373fde9 SH	309	int parse_police(int argc_p, char *argv_p, int tca_id, struct nlmsghdr n)
	310	{
	311	return act_parse_police(NULL,argc_p,argv_p,tca_id,n);
	312	}
aba5acdf	313
ae665a52	314	int
f2f99e2e	315	print_police(struct action_util a, FILE f, struct rtattr *arg)
aba5acdf SH	316	{
	317	SPRINT_BUF(b1);
	318	struct tc_police *p;
	319	struct rtattr *tb[TCA_POLICE_MAX+1];
	320	unsigned buffer;
	321
	322	if (arg == NULL)
	323	return 0;
	324
14ee9e61	325	parse_rtattr_nested(tb, TCA_POLICE_MAX, arg);
aba5acdf SH	326
	327	if (tb[TCA_POLICE_TBF] == NULL) {
	328	fprintf(f, "[NULL police tbf]");
	329	return 0;
	330	}
2373fde9	331	#ifndef STOOPID_8BYTE
aba5acdf SH	332	if (RTA_PAYLOAD(tb[TCA_POLICE_TBF]) < sizeof(*p)) {
	333	fprintf(f, "[truncated police tbf]");
	334	return -1;
	335	}
2373fde9	336	#endif
aba5acdf SH	337	p = RTA_DATA(tb[TCA_POLICE_TBF]);
aba5acdf SH	338
2373fde9	339	fprintf(f, " police 0x%x ", p->index);
aba5acdf	340	fprintf(f, "rate %s ", sprint_rate(p->rate.rate, b1));
76dc0aa2	341	buffer = tc_calc_xmitsize(p->rate.rate, p->burst);
aba5acdf SH	342	fprintf(f, "burst %s ", sprint_size(buffer, b1));
	343	fprintf(f, "mtu %s ", sprint_size(p->mtu, b1));
	344	if (show_raw)
	345	fprintf(f, "[%08x] ", p->burst);
	346	if (p->peakrate.rate)
	347	fprintf(f, "peakrate %s ", sprint_rate(p->peakrate.rate, b1));
	348	if (tb[TCA_POLICE_AVRATE])
	349	fprintf(f, "avrate %s ", sprint_rate((__u32)RTA_DATA(tb[TCA_POLICE_AVRATE]), b1));
2373fde9 SH	350	fprintf(f, "action %s", police_action_n2a(p->action, b1, sizeof(b1)));
	351	if (tb[TCA_POLICE_RESULT]) {
	352	fprintf(f, "/%s ", police_action_n2a((int)RTA_DATA(tb[TCA_POLICE_RESULT]), b1, sizeof(b1)));
	353	} else
	354	fprintf(f, " ");
f71f75f3	355	fprintf(f, "overhead %ub ", p->rate.overhead);
2373fde9	356	fprintf(f, "\nref %d bind %d\n",p->refcnt, p->bindcnt);
aba5acdf SH	357
	358	return 0;
	359	}
	360
ae665a52	361	int
2373fde9	362	tc_print_police(FILE f, struct rtattr arg) {
95812b56	363	return print_police(&police_action_util,f,arg);
2373fde9	364	}