[mirror_iproute2.git] / tc / m_ife.c

/*
 * m_ife.c	IFE actions module
 *
 *		This program is free software; you can distribute 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:  J Hadi Salim (jhs@mojatatu.com)
 *
 */

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

#include "rt_names.h"
#include "utils.h"
#include "tc_util.h"
#include <linux/tc_act/tc_ife.h>

static void ife_explain(void)
{
	fprintf(stderr,
		"Usage:... ife {decode|encode} [{ALLOW|USE} ATTR] [dst DMAC] [src SMAC] [type TYPE] [CONTROL] [index INDEX]\n");
	fprintf(stderr,
		"\tALLOW := Encode direction. Allows encoding specified metadata\n"
		"\t\t e.g \"allow mark\"\n"
		"\tUSE := Encode direction. Enforce Static encoding of specified metadata\n"
		"\t\t e.g \"use mark 0x12\"\n"
		"\tATTR := mark (32-bit), prio (32-bit), tcindex (16-bit)\n"
		"\tDMAC := 6 byte Destination MAC address to encode\n"
		"\tSMAC := optional 6 byte Source MAC address to encode\n"
		"\tTYPE := optional 16 bit ethertype to encode\n"
		"\tCONTROL := reclassify|pipe|drop|continue|ok\n"
		"\tINDEX := optional IFE table index value used\n");
	fprintf(stderr, "encode is used for sending IFE packets\n");
	fprintf(stderr, "decode is used for receiving IFE packets\n");
}

static void ife_usage(void)
{
	ife_explain();
	exit(-1);
}

static int parse_ife(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 ok = 0;
	struct tc_ife p = { 0 };
	struct rtattr *tail;
	struct rtattr *tail2;
	char dbuf[ETH_ALEN];
	char sbuf[ETH_ALEN];
	__u16 ife_type = 0;
	int user_type = 0;
	__u32 ife_prio = 0;
	__u32 ife_prio_v = 0;
	__u32 ife_mark = 0;
	__u32 ife_mark_v = 0;
	__u16 ife_tcindex = 0;
	__u16 ife_tcindex_v = 0;
	char *daddr = NULL;
	char *saddr = NULL;

	if (argc <= 0)
		return -1;

	while (argc > 0) {
		if (matches(*argv, "ife") == 0) {
			NEXT_ARG();
			continue;
		} else if (matches(*argv, "decode") == 0) {
			p.flags = IFE_DECODE; /* readability aid */
			ok++;
		} else if (matches(*argv, "encode") == 0) {
			p.flags = IFE_ENCODE;
			ok++;
		} else if (matches(*argv, "allow") == 0) {
			NEXT_ARG();
			if (matches(*argv, "mark") == 0) {
				ife_mark = IFE_META_SKBMARK;
			} else if (matches(*argv, "prio") == 0) {
				ife_prio = IFE_META_PRIO;
			} else if (matches(*argv, "tcindex") == 0) {
				ife_tcindex = IFE_META_TCINDEX;
			} else {
				fprintf(stderr, "Illegal meta define <%s>\n",
					*argv);
				return -1;
			}
		} else if (matches(*argv, "use") == 0) {
			NEXT_ARG();
			if (matches(*argv, "mark") == 0) {
				NEXT_ARG();
				if (get_u32(&ife_mark_v, *argv, 0))
					invarg("ife mark val is invalid",
					       *argv);
			} else if (matches(*argv, "prio") == 0) {
				NEXT_ARG();
				if (get_u32(&ife_prio_v, *argv, 0))
					invarg("ife prio val is invalid",
					       *argv);
			} else if (matches(*argv, "tcindex") == 0) {
				NEXT_ARG();
				if (get_u16(&ife_tcindex_v, *argv, 0))
					invarg("ife tcindex val is invalid",
					       *argv);
			} else {
				fprintf(stderr, "Illegal meta use type <%s>\n",
					*argv);
				return -1;
			}
		} else if (matches(*argv, "type") == 0) {
			NEXT_ARG();
			if (get_u16(&ife_type, *argv, 0))
				invarg("ife type is invalid", *argv);
			fprintf(stderr, "IFE type 0x%04X\n", ife_type);
			user_type = 1;
		} else if (matches(*argv, "dst") == 0) {
			NEXT_ARG();
			daddr = *argv;
			if (sscanf(daddr, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx",
				   dbuf, dbuf + 1, dbuf + 2,
				   dbuf + 3, dbuf + 4, dbuf + 5) != 6) {
				fprintf(stderr, "Invalid mac address %s\n",
					daddr);
			}
			fprintf(stderr, "dst MAC address <%s>\n", daddr);

		} else if (matches(*argv, "src") == 0) {
			NEXT_ARG();
			saddr = *argv;
			if (sscanf(saddr, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx",
				   sbuf, sbuf + 1, sbuf + 2,
				   sbuf + 3, sbuf + 4, sbuf + 5) != 6) {
				fprintf(stderr, "Invalid mac address %s\n",
					saddr);
			}
			fprintf(stderr, "src MAC address <%s>\n", saddr);
		} else if (matches(*argv, "help") == 0) {
			ife_usage();
		} else {
			break;
		}

		argc--;
		argv++;
	}

	parse_action_control_dflt(&argc, &argv, &p.action, false, TC_ACT_PIPE);

	if (argc) {
		if (matches(*argv, "index") == 0) {
			NEXT_ARG();
			if (get_u32(&p.index, *argv, 0)) {
				fprintf(stderr, "ife: Illegal \"index\"\n");
				return -1;
			}
			ok++;
			argc--;
			argv++;
		}
	}

	if (!ok) {
		fprintf(stderr, "IFE requires decode/encode specified\n");
		ife_usage();
	}

	tail = NLMSG_TAIL(n);
	addattr_l(n, MAX_MSG, tca_id, NULL, 0);
	addattr_l(n, MAX_MSG, TCA_IFE_PARMS, &p, sizeof(p));

	if (!(p.flags & IFE_ENCODE))
		goto skip_encode;

	if (daddr)
		addattr_l(n, MAX_MSG, TCA_IFE_DMAC, dbuf, ETH_ALEN);
	if (user_type)
		addattr_l(n, MAX_MSG, TCA_IFE_TYPE, &ife_type, 2);
	else
		fprintf(stderr, "IFE type 0x%04X\n", ETH_P_IFE);
	if (saddr)
		addattr_l(n, MAX_MSG, TCA_IFE_SMAC, sbuf, ETH_ALEN);

	tail2 = NLMSG_TAIL(n);
	addattr_l(n, MAX_MSG, TCA_IFE_METALST, NULL, 0);
	if (ife_mark || ife_mark_v) {
		if (ife_mark_v)
			addattr_l(n, MAX_MSG, IFE_META_SKBMARK, &ife_mark_v, 4);
		else
			addattr_l(n, MAX_MSG, IFE_META_SKBMARK, NULL, 0);
	}
	if (ife_prio || ife_prio_v) {
		if (ife_prio_v)
			addattr_l(n, MAX_MSG, IFE_META_PRIO, &ife_prio_v, 4);
		else
			addattr_l(n, MAX_MSG, IFE_META_PRIO, NULL, 0);
	}
	if (ife_tcindex || ife_tcindex_v) {
		if (ife_tcindex_v)
			addattr_l(n, MAX_MSG, IFE_META_TCINDEX, &ife_tcindex_v,
				  2);
		else
			addattr_l(n, MAX_MSG, IFE_META_TCINDEX, NULL, 0);
	}

	tail2->rta_len = (void *)NLMSG_TAIL(n) - (void *)tail2;

skip_encode:
	tail->rta_len = (void *)NLMSG_TAIL(n) - (void *)tail;

	*argc_p = argc;
	*argv_p = argv;
	return 0;
}

static int print_ife(struct action_util *au, FILE *f, struct rtattr *arg)
{
	struct tc_ife *p = NULL;
	struct rtattr *tb[TCA_IFE_MAX + 1];
	__u16 ife_type = 0;
	__u32 mmark = 0;
	__u16 mtcindex = 0;
	__u32 mprio = 0;
	int has_optional = 0;
	SPRINT_BUF(b2);

	if (arg == NULL)
		return -1;

	parse_rtattr_nested(tb, TCA_IFE_MAX, arg);

	if (tb[TCA_IFE_PARMS] == NULL) {
		fprintf(f, "[NULL ife parameters]");
		return -1;
	}
	p = RTA_DATA(tb[TCA_IFE_PARMS]);

	fprintf(f, "ife %s ", p->flags & IFE_ENCODE ? "encode" : "decode");
	print_action_control(f, "action ", p->action, " ");

	if (tb[TCA_IFE_TYPE]) {
		ife_type = rta_getattr_u16(tb[TCA_IFE_TYPE]);
		has_optional = 1;
		fprintf(f, "type 0x%X ", ife_type);
	}

	if (has_optional)
		fprintf(f, "\n\t ");

	if (tb[TCA_IFE_METALST]) {
		struct rtattr *metalist[IFE_META_MAX + 1];
		int len = 0;

		parse_rtattr_nested(metalist, IFE_META_MAX,
				    tb[TCA_IFE_METALST]);

		if (metalist[IFE_META_SKBMARK]) {
			len = RTA_PAYLOAD(metalist[IFE_META_SKBMARK]);
			if (len) {
				mmark = rta_getattr_u32(metalist[IFE_META_SKBMARK]);
				fprintf(f, "use mark %u ", mmark);
			} else
				fprintf(f, "allow mark ");
		}

		if (metalist[IFE_META_TCINDEX]) {
			len = RTA_PAYLOAD(metalist[IFE_META_TCINDEX]);
			if (len) {
				mtcindex =
					rta_getattr_u16(metalist[IFE_META_TCINDEX]);
				fprintf(f, "use tcindex %d ", mtcindex);
			} else
				fprintf(f, "allow tcindex ");
		}

		if (metalist[IFE_META_PRIO]) {
			len = RTA_PAYLOAD(metalist[IFE_META_PRIO]);
			if (len) {
				mprio = rta_getattr_u32(metalist[IFE_META_PRIO]);
				fprintf(f, "use prio %u ", mprio);
			} else
				fprintf(f, "allow prio ");
		}

	}

	if (tb[TCA_IFE_DMAC]) {
		has_optional = 1;
		fprintf(f, "dst %s ",
			ll_addr_n2a(RTA_DATA(tb[TCA_IFE_DMAC]),
				    RTA_PAYLOAD(tb[TCA_IFE_DMAC]), 0, b2,
				    sizeof(b2)));

	}

	if (tb[TCA_IFE_SMAC]) {
		has_optional = 1;
		fprintf(f, "src %s ",
			ll_addr_n2a(RTA_DATA(tb[TCA_IFE_SMAC]),
				    RTA_PAYLOAD(tb[TCA_IFE_SMAC]), 0, b2,
				    sizeof(b2)));
	}

	fprintf(f, "\n\t index %u ref %d bind %d", p->index, p->refcnt,
		p->bindcnt);
	if (show_stats) {
		if (tb[TCA_IFE_TM]) {
			struct tcf_t *tm = RTA_DATA(tb[TCA_IFE_TM]);

			print_tm(f, tm);
		}
	}

	fprintf(f, "\n");

	return 0;
}

struct action_util ife_action_util = {
	.id = "ife",
	.parse_aopt = parse_ife,
	.print_aopt = print_ife,
};
Commit	Line	Data
d3e51122 JHS	1	/*
	2	* m_ife.c IFE actions module
	3	*
	4	* This program is free software; you can distribute 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: J Hadi Salim (jhs@mojatatu.com)
	10	*
	11	*/
	12
	13	#include <stdio.h>
	14	#include <stdlib.h>
	15	#include <unistd.h>
d3e51122 JHS	16	#include <fcntl.h>
	17	#include <sys/socket.h>
	18	#include <netinet/in.h>
	19	#include <arpa/inet.h>
	20	#include <string.h>
	21	#include <linux/netdevice.h>
	22
	23	#include "rt_names.h"
	24	#include "utils.h"
	25	#include "tc_util.h"
	26	#include <linux/tc_act/tc_ife.h>
	27
	28	static void ife_explain(void)
	29	{
	30	fprintf(stderr,
1b600f4b	31	"Usage:... ife {decode\|encode} [{ALLOW\|USE} ATTR] [dst DMAC] [src SMAC] [type TYPE] [CONTROL] [index INDEX]\n");
d3e51122 JHS	32	fprintf(stderr,
	33	"\tALLOW := Encode direction. Allows encoding specified metadata\n"
	34	"\t\t e.g \"allow mark\"\n"
	35	"\tUSE := Encode direction. Enforce Static encoding of specified metadata\n"
	36	"\t\t e.g \"use mark 0x12\"\n"
1b600f4b	37	"\tATTR := mark (32-bit), prio (32-bit), tcindex (16-bit)\n"
d3e51122 JHS	38	"\tDMAC := 6 byte Destination MAC address to encode\n"
	39	"\tSMAC := optional 6 byte Source MAC address to encode\n"
	40	"\tTYPE := optional 16 bit ethertype to encode\n"
	41	"\tCONTROL := reclassify\|pipe\|drop\|continue\|ok\n"
	42	"\tINDEX := optional IFE table index value used\n");
	43	fprintf(stderr, "encode is used for sending IFE packets\n");
	44	fprintf(stderr, "decode is used for receiving IFE packets\n");
	45	}
	46
	47	static void ife_usage(void)
	48	{
	49	ife_explain();
	50	exit(-1);
	51	}
	52
	53	static int parse_ife(struct action_util a, int argc_p, char ***argv_p,
	54	int tca_id, struct nlmsghdr *n)
	55	{
	56	int argc = *argc_p;
	57	char *argv = argv_p;
	58	int ok = 0;
e67aba55	59	struct tc_ife p = { 0 };
d3e51122 JHS	60	struct rtattr *tail;
	61	struct rtattr *tail2;
	62	char dbuf[ETH_ALEN];
	63	char sbuf[ETH_ALEN];
	64	__u16 ife_type = 0;
bf338b60	65	int user_type = 0;
d3e51122 JHS	66	__u32 ife_prio = 0;
	67	__u32 ife_prio_v = 0;
	68	__u32 ife_mark = 0;
	69	__u32 ife_mark_v = 0;
8da6ff35 JHS	70	__u16 ife_tcindex = 0;
8da6ff35 JHS	71	__u16 ife_tcindex_v = 0;
d3e51122 JHS	72	char *daddr = NULL;
	73	char *saddr = NULL;
	74
d3e51122 JHS	75	if (argc <= 0)
	76	return -1;
	77
	78	while (argc > 0) {
	79	if (matches(*argv, "ife") == 0) {
	80	NEXT_ARG();
	81	continue;
	82	} else if (matches(*argv, "decode") == 0) {
	83	p.flags = IFE_DECODE; /* readability aid */
	84	ok++;
	85	} else if (matches(*argv, "encode") == 0) {
	86	p.flags = IFE_ENCODE;
	87	ok++;
	88	} else if (matches(*argv, "allow") == 0) {
	89	NEXT_ARG();
	90	if (matches(*argv, "mark") == 0) {
	91	ife_mark = IFE_META_SKBMARK;
	92	} else if (matches(*argv, "prio") == 0) {
	93	ife_prio = IFE_META_PRIO;
8da6ff35	94	} else if (matches(*argv, "tcindex") == 0) {
25a24934	95	ife_tcindex = IFE_META_TCINDEX;
d3e51122 JHS	96	} else {
	97	fprintf(stderr, "Illegal meta define <%s>\n",
	98	*argv);
	99	return -1;
	100	}
	101	} else if (matches(*argv, "use") == 0) {
	102	NEXT_ARG();
	103	if (matches(*argv, "mark") == 0) {
	104	NEXT_ARG();
	105	if (get_u32(&ife_mark_v, *argv, 0))
	106	invarg("ife mark val is invalid",
	107	*argv);
	108	} else if (matches(*argv, "prio") == 0) {
	109	NEXT_ARG();
	110	if (get_u32(&ife_prio_v, *argv, 0))
	111	invarg("ife prio val is invalid",
	112	*argv);
8da6ff35 JHS	113	} else if (matches(*argv, "tcindex") == 0) {
	114	NEXT_ARG();
	115	if (get_u16(&ife_tcindex_v, *argv, 0))
	116	invarg("ife tcindex val is invalid",
	117	*argv);
d3e51122 JHS	118	} else {
	119	fprintf(stderr, "Illegal meta use type <%s>\n",
	120	*argv);
	121	return -1;
	122	}
	123	} else if (matches(*argv, "type") == 0) {
	124	NEXT_ARG();
	125	if (get_u16(&ife_type, *argv, 0))
	126	invarg("ife type is invalid", *argv);
664f35aa	127	fprintf(stderr, "IFE type 0x%04X\n", ife_type);
bf338b60	128	user_type = 1;
d3e51122 JHS	129	} else if (matches(*argv, "dst") == 0) {
	130	NEXT_ARG();
	131	daddr = *argv;
	132	if (sscanf(daddr, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx",
	133	dbuf, dbuf + 1, dbuf + 2,
	134	dbuf + 3, dbuf + 4, dbuf + 5) != 6) {
	135	fprintf(stderr, "Invalid mac address %s\n",
	136	daddr);
	137	}
	138	fprintf(stderr, "dst MAC address <%s>\n", daddr);
	139
	140	} else if (matches(*argv, "src") == 0) {
	141	NEXT_ARG();
	142	saddr = *argv;
	143	if (sscanf(saddr, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx",
	144	sbuf, sbuf + 1, sbuf + 2,
	145	sbuf + 3, sbuf + 4, sbuf + 5) != 6) {
	146	fprintf(stderr, "Invalid mac address %s\n",
	147	saddr);
	148	}
	149	fprintf(stderr, "src MAC address <%s>\n", saddr);
	150	} else if (matches(*argv, "help") == 0) {
	151	ife_usage();
	152	} else {
	153	break;
	154	}
	155
	156	argc--;
	157	argv++;
	158	}
	159
e67aba55	160	parse_action_control_dflt(&argc, &argv, &p.action, false, TC_ACT_PIPE);
d3e51122 JHS	161
	162	if (argc) {
	163	if (matches(*argv, "index") == 0) {
	164	NEXT_ARG();
9a56cca3	165	if (get_u32(&p.index, *argv, 0)) {
d3e51122 JHS	166	fprintf(stderr, "ife: Illegal \"index\"\n");
	167	return -1;
	168	}
a78a2dba	169	ok++;
d3e51122 JHS	170	argc--;
	171	argv++;
	172	}
	173	}
	174
	175	if (!ok) {
	176	fprintf(stderr, "IFE requires decode/encode specified\n");
	177	ife_usage();
	178	}
	179
	180	tail = NLMSG_TAIL(n);
	181	addattr_l(n, MAX_MSG, tca_id, NULL, 0);
	182	addattr_l(n, MAX_MSG, TCA_IFE_PARMS, &p, sizeof(p));
	183
	184	if (!(p.flags & IFE_ENCODE))
	185	goto skip_encode;
	186
	187	if (daddr)
	188	addattr_l(n, MAX_MSG, TCA_IFE_DMAC, dbuf, ETH_ALEN);
bf338b60	189	if (user_type)
d3e51122	190	addattr_l(n, MAX_MSG, TCA_IFE_TYPE, &ife_type, 2);
38060de1 AA	191	else
38060de1 AA	192	fprintf(stderr, "IFE type 0x%04X\n", ETH_P_IFE);
d3e51122 JHS	193	if (saddr)
	194	addattr_l(n, MAX_MSG, TCA_IFE_SMAC, sbuf, ETH_ALEN);
	195
	196	tail2 = NLMSG_TAIL(n);
	197	addattr_l(n, MAX_MSG, TCA_IFE_METALST, NULL, 0);
	198	if (ife_mark \|\| ife_mark_v) {
	199	if (ife_mark_v)
	200	addattr_l(n, MAX_MSG, IFE_META_SKBMARK, &ife_mark_v, 4);
	201	else
	202	addattr_l(n, MAX_MSG, IFE_META_SKBMARK, NULL, 0);
	203	}
	204	if (ife_prio \|\| ife_prio_v) {
	205	if (ife_prio_v)
	206	addattr_l(n, MAX_MSG, IFE_META_PRIO, &ife_prio_v, 4);
	207	else
	208	addattr_l(n, MAX_MSG, IFE_META_PRIO, NULL, 0);
	209	}
8da6ff35 JHS	210	if (ife_tcindex \|\| ife_tcindex_v) {
	211	if (ife_tcindex_v)
	212	addattr_l(n, MAX_MSG, IFE_META_TCINDEX, &ife_tcindex_v,
	213	2);
	214	else
	215	addattr_l(n, MAX_MSG, IFE_META_TCINDEX, NULL, 0);
	216	}
d3e51122 JHS	217
	218	tail2->rta_len = (void )NLMSG_TAIL(n) - (void )tail2;
	219
	220	skip_encode:
	221	tail->rta_len = (void )NLMSG_TAIL(n) - (void )tail;
	222
	223	*argc_p = argc;
	224	*argv_p = argv;
	225	return 0;
	226	}
	227
	228	static int print_ife(struct action_util au, FILE f, struct rtattr *arg)
	229	{
	230	struct tc_ife *p = NULL;
	231	struct rtattr *tb[TCA_IFE_MAX + 1];
	232	__u16 ife_type = 0;
	233	__u32 mmark = 0;
8da6ff35	234	__u16 mtcindex = 0;
d3e51122 JHS	235	__u32 mprio = 0;
d3e51122 JHS	236	int has_optional = 0;
d3e51122 JHS	237	SPRINT_BUF(b2);
	238
	239	if (arg == NULL)
	240	return -1;
	241
	242	parse_rtattr_nested(tb, TCA_IFE_MAX, arg);
	243
	244	if (tb[TCA_IFE_PARMS] == NULL) {
	245	fprintf(f, "[NULL ife parameters]");
	246	return -1;
	247	}
	248	p = RTA_DATA(tb[TCA_IFE_PARMS]);
	249
e67aba55 JP	250	fprintf(f, "ife %s ", p->flags & IFE_ENCODE ? "encode" : "decode");
e67aba55 JP	251	print_action_control(f, "action ", p->action, " ");
d3e51122 JHS	252
	253	if (tb[TCA_IFE_TYPE]) {
	254	ife_type = rta_getattr_u16(tb[TCA_IFE_TYPE]);
	255	has_optional = 1;
	256	fprintf(f, "type 0x%X ", ife_type);
	257	}
	258
	259	if (has_optional)
	260	fprintf(f, "\n\t ");
	261
	262	if (tb[TCA_IFE_METALST]) {
	263	struct rtattr *metalist[IFE_META_MAX + 1];
	264	int len = 0;
	265
	266	parse_rtattr_nested(metalist, IFE_META_MAX,
	267	tb[TCA_IFE_METALST]);
	268
	269	if (metalist[IFE_META_SKBMARK]) {
	270	len = RTA_PAYLOAD(metalist[IFE_META_SKBMARK]);
	271	if (len) {
	272	mmark = rta_getattr_u32(metalist[IFE_META_SKBMARK]);
57ee4430	273	fprintf(f, "use mark %u ", mmark);
d3e51122 JHS	274	} else
	275	fprintf(f, "allow mark ");
	276	}
	277
8da6ff35 JHS	278	if (metalist[IFE_META_TCINDEX]) {
8da6ff35 JHS	279	len = RTA_PAYLOAD(metalist[IFE_META_TCINDEX]);
d3e51122	280	if (len) {
8da6ff35 JHS	281	mtcindex =
	282	rta_getattr_u16(metalist[IFE_META_TCINDEX]);
	283	fprintf(f, "use tcindex %d ", mtcindex);
d3e51122	284	} else
8da6ff35	285	fprintf(f, "allow tcindex ");
d3e51122 JHS	286	}
	287
	288	if (metalist[IFE_META_PRIO]) {
	289	len = RTA_PAYLOAD(metalist[IFE_META_PRIO]);
	290	if (len) {
	291	mprio = rta_getattr_u32(metalist[IFE_META_PRIO]);
57ee4430	292	fprintf(f, "use prio %u ", mprio);
d3e51122 JHS	293	} else
	294	fprintf(f, "allow prio ");
	295	}
	296
	297	}
	298
	299	if (tb[TCA_IFE_DMAC]) {
	300	has_optional = 1;
	301	fprintf(f, "dst %s ",
	302	ll_addr_n2a(RTA_DATA(tb[TCA_IFE_DMAC]),
	303	RTA_PAYLOAD(tb[TCA_IFE_DMAC]), 0, b2,
	304	sizeof(b2)));
	305
	306	}
	307
	308	if (tb[TCA_IFE_SMAC]) {
	309	has_optional = 1;
	310	fprintf(f, "src %s ",
	311	ll_addr_n2a(RTA_DATA(tb[TCA_IFE_SMAC]),
	312	RTA_PAYLOAD(tb[TCA_IFE_SMAC]), 0, b2,
	313	sizeof(b2)));
	314	}
	315
53075318	316	fprintf(f, "\n\t index %u ref %d bind %d", p->index, p->refcnt,
d3e51122 JHS	317	p->bindcnt);
	318	if (show_stats) {
	319	if (tb[TCA_IFE_TM]) {
	320	struct tcf_t *tm = RTA_DATA(tb[TCA_IFE_TM]);
	321
	322	print_tm(f, tm);
	323	}
	324	}
	325
	326	fprintf(f, "\n");
	327
	328	return 0;
	329	}
	330
	331	struct action_util ife_action_util = {
	332	.id = "ife",
	333	.parse_aopt = parse_ife,
	334	.print_aopt = print_ife,
	335	};