[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 ] [ 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;
	unsigned int linklayer = LINKLAYER_ETHERNET; /* Assume ethernet */
	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 (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 && !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, linklayer) < 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, 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);
	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(rta_getattr_u32(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");
292f29b4 JDB	39	fprintf(stderr, " [ linklayer TYPE ] [ ACTIONTERM ]\n");
292f29b4 JDB	40
ef1d6f97	41	fprintf(stderr, "Old Syntax ACTIONTERM := action <EXCEEDACT>[/NOTEXCEEDACT] \n");
ae665a52	42	fprintf(stderr, "New Syntax ACTIONTERM := conform-exceed <EXCEEDACT>[/NOTEXCEEDACT] \n");
2373fde9 SH	43	fprintf(stderr, "Where: *EXCEEDACT := pipe \| ok \| reclassify \| drop \| continue \n");
2373fde9 SH	44	fprintf(stderr, "Where: pipe is only valid for new syntax \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
aba5acdf SH	53	char police_action_n2a(int action, char buf, int len)
	54	{
	55	switch (action) {
	56	case -1:
	57	return "continue";
	58	break;
	59	case TC_POLICE_OK:
	60	return "pass";
	61	break;
	62	case TC_POLICE_SHOT:
	63	return "drop";
	64	break;
	65	case TC_POLICE_RECLASSIFY:
	66	return "reclassify";
2373fde9 SH	67	case TC_POLICE_PIPE:
2373fde9 SH	68	return "pipe";
aba5acdf SH	69	default:
	70	snprintf(buf, len, "%d", action);
	71	return buf;
	72	}
	73	}
	74
	75	int police_action_a2n(char arg, int result)
	76	{
	77	int res;
	78
	79	if (matches(arg, "continue") == 0)
	80	res = -1;
	81	else if (matches(arg, "drop") == 0)
	82	res = TC_POLICE_SHOT;
	83	else if (matches(arg, "shot") == 0)
	84	res = TC_POLICE_SHOT;
	85	else if (matches(arg, "pass") == 0)
	86	res = TC_POLICE_OK;
	87	else if (strcmp(arg, "ok") == 0)
	88	res = TC_POLICE_OK;
	89	else if (matches(arg, "reclassify") == 0)
	90	res = TC_POLICE_RECLASSIFY;
2373fde9 SH	91	else if (matches(arg, "pipe") == 0)
2373fde9 SH	92	res = TC_POLICE_PIPE;
aba5acdf SH	93	else {
	94	char dummy;
	95	if (sscanf(arg, "%d%c", &res, &dummy) != 1)
	96	return -1;
	97	}
	98	*result = res;
	99	return 0;
	100	}
	101
	102
	103	int get_police_result(int action, int result, char *arg)
	104	{
	105	char *p = strchr(arg, '/');
	106
	107	if (p)
	108	*p = 0;
	109
	110	if (police_action_a2n(arg, action)) {
	111	if (p)
	112	*p = '/';
	113	return -1;
	114	}
	115
	116	if (p) {
	117	*p = '/';
	118	if (police_action_a2n(p+1, result))
	119	return -1;
	120	}
	121	return 0;
	122	}
	123
2373fde9 SH	124
2373fde9 SH	125	int act_parse_police(struct action_util a,int argc_p, char **argv_p, int tca_id, struct nlmsghdr n)
aba5acdf SH	126	{
	127	int argc = *argc_p;
	128	char *argv = argv_p;
	129	int res = -1;
	130	int ok=0;
	131	struct tc_police p;
	132	__u32 rtab[256];
	133	__u32 ptab[256];
	134	__u32 avrate = 0;
	135	int presult = 0;
	136	unsigned buffer=0, mtu=0, mpu=0;
1a5bd776	137	unsigned short overhead=0;
292f29b4	138	unsigned int linklayer = LINKLAYER_ETHERNET; /* Assume ethernet */
ae665a52	139	int Rcell_log=-1, Pcell_log = -1;
aba5acdf SH	140	struct rtattr *tail;
	141
	142	memset(&p, 0, sizeof(p));
	143	p.action = TC_POLICE_RECLASSIFY;
	144
2373fde9 SH	145	if (a) /* new way of doing things */
	146	NEXT_ARG();
	147
aba5acdf SH	148	if (argc <= 0)
	149	return -1;
	150
	151	while (argc > 0) {
2373fde9	152
aba5acdf SH	153	if (matches(*argv, "index") == 0) {
aba5acdf SH	154	NEXT_ARG();
2373fde9	155	if (get_u32(&p.index, *argv, 10)) {
aba5acdf SH	156	fprintf(stderr, "Illegal \"index\"\n");
	157	return -1;
	158	}
	159	} else if (matches(*argv, "burst") == 0 \|\|
	160	strcmp(*argv, "buffer") == 0 \|\|
	161	strcmp(*argv, "maxburst") == 0) {
	162	NEXT_ARG();
	163	if (buffer) {
	164	fprintf(stderr, "Double \"buffer/burst\" spec\n");
	165	return -1;
	166	}
	167	if (get_size_and_cell(&buffer, &Rcell_log, *argv) < 0) {
	168	explain1("buffer");
	169	return -1;
	170	}
	171	} else if (strcmp(*argv, "mtu") == 0 \|\|
	172	strcmp(*argv, "minburst") == 0) {
	173	NEXT_ARG();
	174	if (mtu) {
	175	fprintf(stderr, "Double \"mtu/minburst\" spec\n");
	176	return -1;
	177	}
	178	if (get_size_and_cell(&mtu, &Pcell_log, *argv) < 0) {
	179	explain1("mtu");
	180	return -1;
	181	}
	182	} else if (strcmp(*argv, "mpu") == 0) {
	183	NEXT_ARG();
	184	if (mpu) {
	185	fprintf(stderr, "Double \"mpu\" spec\n");
	186	return -1;
	187	}
	188	if (get_size(&mpu, *argv)) {
	189	explain1("mpu");
	190	return -1;
	191	}
	192	} else if (strcmp(*argv, "rate") == 0) {
	193	NEXT_ARG();
	194	if (p.rate.rate) {
	195	fprintf(stderr, "Double \"rate\" spec\n");
	196	return -1;
	197	}
	198	if (get_rate(&p.rate.rate, *argv)) {
	199	explain1("rate");
	200	return -1;
	201	}
	202	} else if (strcmp(*argv, "avrate") == 0) {
	203	NEXT_ARG();
	204	if (avrate) {
	205	fprintf(stderr, "Double \"avrate\" spec\n");
	206	return -1;
	207	}
	208	if (get_rate(&avrate, *argv)) {
	209	explain1("avrate");
	210	return -1;
	211	}
	212	} else if (matches(*argv, "peakrate") == 0) {
	213	NEXT_ARG();
	214	if (p.peakrate.rate) {
	215	fprintf(stderr, "Double \"peakrate\" spec\n");
	216	return -1;
	217	}
	218	if (get_rate(&p.peakrate.rate, *argv)) {
	219	explain1("peakrate");
220	return -1;
221	}
222	} else if (matches(*argv, "reclassify") == 0) {
223	p.action = TC_POLICE_RECLASSIFY;
224	} else if (matches(*argv, "drop") == 0 \|\|
225	matches(*argv, "shot") == 0) {
226	p.action = TC_POLICE_SHOT;
227	} else if (matches(*argv, "continue") == 0) {
228	p.action = TC_POLICE_UNSPEC;
229	} else if (matches(*argv, "pass") == 0) {
230	p.action = TC_POLICE_OK;
2373fde9 SH	231	} else if (matches(*argv, "pipe") == 0) {
2373fde9 SH	232	p.action = TC_POLICE_PIPE;
c29391c7 PM	233	} else if (strcmp(*argv, "action") == 0 \|\|
c29391c7 PM	234	strcmp(*argv, "conform-exceed") == 0) {
aba5acdf SH	235	NEXT_ARG();
	236	if (get_police_result(&p.action, &presult, *argv)) {
	237	fprintf(stderr, "Illegal \"action\"\n");
	238	return -1;
	239	}
f71f75f3 JDB	240	} else if (matches(*argv, "overhead") == 0) {
	241	NEXT_ARG();
	242	if (get_u16(&overhead, *argv, 10)) {
	243	explain1("overhead"); return -1;
	244	}
292f29b4 JDB	245	} else if (matches(*argv, "linklayer") == 0) {
	246	NEXT_ARG();
	247	if (get_linklayer(&linklayer, *argv)) {
	248	explain1("linklayer"); return -1;
	249	}
aba5acdf	250	} else if (strcmp(*argv, "help") == 0) {
ebf32083	251	usage();
aba5acdf	252	} else {
ef1d6f97	253	break;
aba5acdf SH	254	}
	255	ok++;
	256	argc--; argv++;
	257	}
	258
	259	if (!ok)
	260	return -1;
	261
	262	if (p.rate.rate && !buffer) {
	263	fprintf(stderr, "\"burst\" requires \"rate\".\n");
	264	return -1;
	265	}
	266	if (p.peakrate.rate) {
	267	if (!p.rate.rate) {
	268	fprintf(stderr, "\"peakrate\" requires \"rate\".\n");
	269	return -1;
	270	}
	271	if (!mtu) {
	272	fprintf(stderr, "\"mtu\" is required, if \"peakrate\" is requested.\n");
	273	return -1;
	274	}
	275	}
	276
	277	if (p.rate.rate) {
d5f46f9c	278	p.rate.mpu = mpu;
f71f75f3	279	p.rate.overhead = overhead;
292f29b4	280	if (tc_calc_rtable(&p.rate, rtab, Rcell_log, mtu, linklayer) < 0) {
aba5acdf SH	281	fprintf(stderr, "TBF: failed to calculate rate table.\n");
	282	return -1;
	283	}
	284	p.burst = tc_calc_xmittime(p.rate.rate, buffer);
aba5acdf SH	285	}
	286	p.mtu = mtu;
	287	if (p.peakrate.rate) {
d5f46f9c	288	p.peakrate.mpu = mpu;
f71f75f3	289	p.peakrate.overhead = overhead;
292f29b4	290	if (tc_calc_rtable(&p.peakrate, ptab, Pcell_log, mtu, linklayer) < 0) {
aba5acdf SH	291	fprintf(stderr, "POLICE: failed to calculate peak rate table.\n");
	292	return -1;
	293	}
aba5acdf SH	294	}
aba5acdf SH	295
1b52a762	296	tail = NLMSG_TAIL(n);
2373fde9 SH	297	addattr_l(n, MAX_MSG, tca_id, NULL, 0);
2373fde9 SH	298	addattr_l(n, MAX_MSG, TCA_POLICE_TBF, &p, sizeof(p));
aba5acdf	299	if (p.rate.rate)
2373fde9	300	addattr_l(n, MAX_MSG, TCA_POLICE_RATE, rtab, 1024);
aba5acdf	301	if (p.peakrate.rate)
2373fde9	302	addattr_l(n, MAX_MSG, TCA_POLICE_PEAKRATE, ptab, 1024);
aba5acdf	303	if (avrate)
2373fde9	304	addattr32(n, MAX_MSG, TCA_POLICE_AVRATE, avrate);
aba5acdf	305	if (presult)
2373fde9	306	addattr32(n, MAX_MSG, TCA_POLICE_RESULT, presult);
aba5acdf	307
1b52a762	308	tail->rta_len = (void ) NLMSG_TAIL(n) - (void ) tail;
aba5acdf SH	309	res = 0;
	310
	311	*argc_p = argc;
	312	*argv_p = argv;
	313	return res;
	314	}
	315
2373fde9 SH	316	int parse_police(int argc_p, char *argv_p, int tca_id, struct nlmsghdr n)
	317	{
	318	return act_parse_police(NULL,argc_p,argv_p,tca_id,n);
	319	}
aba5acdf	320
ae665a52	321	int
f2f99e2e	322	print_police(struct action_util a, FILE f, struct rtattr *arg)
aba5acdf SH	323	{
	324	SPRINT_BUF(b1);
	325	struct tc_police *p;
	326	struct rtattr *tb[TCA_POLICE_MAX+1];
	327	unsigned buffer;
	328
	329	if (arg == NULL)
	330	return 0;
	331
14ee9e61	332	parse_rtattr_nested(tb, TCA_POLICE_MAX, arg);
aba5acdf SH	333
	334	if (tb[TCA_POLICE_TBF] == NULL) {
	335	fprintf(f, "[NULL police tbf]");
	336	return 0;
	337	}
2373fde9	338	#ifndef STOOPID_8BYTE
aba5acdf SH	339	if (RTA_PAYLOAD(tb[TCA_POLICE_TBF]) < sizeof(*p)) {
	340	fprintf(f, "[truncated police tbf]");
	341	return -1;
	342	}
2373fde9	343	#endif
aba5acdf SH	344	p = RTA_DATA(tb[TCA_POLICE_TBF]);
aba5acdf SH	345
2373fde9	346	fprintf(f, " police 0x%x ", p->index);
aba5acdf	347	fprintf(f, "rate %s ", sprint_rate(p->rate.rate, b1));
76dc0aa2	348	buffer = tc_calc_xmitsize(p->rate.rate, p->burst);
aba5acdf SH	349	fprintf(f, "burst %s ", sprint_size(buffer, b1));
	350	fprintf(f, "mtu %s ", sprint_size(p->mtu, b1));
	351	if (show_raw)
	352	fprintf(f, "[%08x] ", p->burst);
	353	if (p->peakrate.rate)
	354	fprintf(f, "peakrate %s ", sprint_rate(p->peakrate.rate, b1));
	355	if (tb[TCA_POLICE_AVRATE])
ff24746c	356	fprintf(f, "avrate %s ", sprint_rate(rta_getattr_u32(tb[TCA_POLICE_AVRATE]), b1));
2373fde9 SH	357	fprintf(f, "action %s", police_action_n2a(p->action, b1, sizeof(b1)));
	358	if (tb[TCA_POLICE_RESULT]) {
	359	fprintf(f, "/%s ", police_action_n2a((int)RTA_DATA(tb[TCA_POLICE_RESULT]), b1, sizeof(b1)));
	360	} else
	361	fprintf(f, " ");
f71f75f3	362	fprintf(f, "overhead %ub ", p->rate.overhead);
2373fde9	363	fprintf(f, "\nref %d bind %d\n",p->refcnt, p->bindcnt);
aba5acdf SH	364
	365	return 0;
	366	}
	367
ae665a52	368	int
2373fde9	369	tc_print_police(FILE f, struct rtattr arg) {
95812b56	370	return print_police(&police_action_util,f,arg);
2373fde9	371	}