[mirror_iproute2.git] / ip / iplink_bridge_slave.c

/*
 * iplink_bridge_slave.c	Bridge slave device support
 *
 *              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:     Jiri Pirko <jiri@resnulli.us>
 */

#include <stdio.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <linux/if_link.h>
#include <linux/if_bridge.h>

#include "rt_names.h"
#include "utils.h"
#include "ip_common.h"

static void print_explain(FILE *f)
{
	fprintf(f,
		"Usage: ... bridge_slave [ state STATE ] [ priority PRIO ] [cost COST ]\n"
		"                        [ guard {on | off} ]\n"
		"                        [ hairpin {on | off} ]\n"
		"                        [ fastleave {on | off} ]\n"
		"                        [ root_block {on | off} ]\n"
		"                        [ learning {on | off} ]\n"
		"                        [ flood {on | off} ]\n"
		"                        [ proxy_arp {on | off} ]\n"
		"                        [ proxy_arp_wifi {on | off} ]\n"
		"                        [ mcast_router MULTICAST_ROUTER ]\n"
		"                        [ mcast_fast_leave {on | off} ]\n"
	);
}

static void explain(void)
{
	print_explain(stderr);
}

static const char *port_states[] = {
	[BR_STATE_DISABLED] = "disabled",
	[BR_STATE_LISTENING] = "listening",
	[BR_STATE_LEARNING] = "learning",
	[BR_STATE_FORWARDING] = "forwarding",
	[BR_STATE_BLOCKING] = "blocking",
};

static void print_portstate(FILE *f, __u8 state)
{
	if (state <= BR_STATE_BLOCKING)
		fprintf(f, "state %s ", port_states[state]);
	else
		fprintf(f, "state (%d) ", state);
}

static void print_onoff(FILE *f, char *flag, __u8 val)
{
	fprintf(f, "%s %s ", flag, val ? "on" : "off");
}

static void bridge_slave_print_opt(struct link_util *lu, FILE *f,
				   struct rtattr *tb[])
{
	if (!tb)
		return;

	if (tb[IFLA_BRPORT_STATE])
		print_portstate(f, rta_getattr_u8(tb[IFLA_BRPORT_STATE]));

	if (tb[IFLA_BRPORT_PRIORITY])
		fprintf(f, "priority %d ",
			rta_getattr_u16(tb[IFLA_BRPORT_PRIORITY]));

	if (tb[IFLA_BRPORT_COST])
		fprintf(f, "cost %d ",
			rta_getattr_u32(tb[IFLA_BRPORT_COST]));

	if (tb[IFLA_BRPORT_MODE])
		print_onoff(f, "hairpin",
			    rta_getattr_u8(tb[IFLA_BRPORT_MODE]));

	if (tb[IFLA_BRPORT_GUARD])
		print_onoff(f, "guard",
			    rta_getattr_u8(tb[IFLA_BRPORT_GUARD]));

	if (tb[IFLA_BRPORT_PROTECT])
		print_onoff(f, "root_block",
			    rta_getattr_u8(tb[IFLA_BRPORT_PROTECT]));

	if (tb[IFLA_BRPORT_FAST_LEAVE])
		print_onoff(f, "fastleave",
			    rta_getattr_u8(tb[IFLA_BRPORT_FAST_LEAVE]));

	if (tb[IFLA_BRPORT_LEARNING])
		print_onoff(f, "learning",
			rta_getattr_u8(tb[IFLA_BRPORT_LEARNING]));

	if (tb[IFLA_BRPORT_UNICAST_FLOOD])
		print_onoff(f, "flood",
			rta_getattr_u8(tb[IFLA_BRPORT_UNICAST_FLOOD]));

	if (tb[IFLA_BRPORT_ID])
		fprintf(f, "port_id 0x%x ",
			rta_getattr_u16(tb[IFLA_BRPORT_ID]));

	if (tb[IFLA_BRPORT_NO])
		fprintf(f, "port_no 0x%x ",
			rta_getattr_u16(tb[IFLA_BRPORT_NO]));

	if (tb[IFLA_BRPORT_DESIGNATED_PORT])
		fprintf(f, "designated_port %u ",
			rta_getattr_u16(tb[IFLA_BRPORT_DESIGNATED_PORT]));

	if (tb[IFLA_BRPORT_DESIGNATED_COST])
		fprintf(f, "designated_cost %u ",
			rta_getattr_u16(tb[IFLA_BRPORT_DESIGNATED_COST]));

	if (tb[IFLA_BRPORT_BRIDGE_ID]) {
		char bridge_id[32];

		br_dump_bridge_id(RTA_DATA(tb[IFLA_BRPORT_BRIDGE_ID]),
				  bridge_id, sizeof(bridge_id));
		fprintf(f, "designated_bridge %s ", bridge_id);
	}

	if (tb[IFLA_BRPORT_ROOT_ID]) {
		char root_id[32];

		br_dump_bridge_id(RTA_DATA(tb[IFLA_BRPORT_ROOT_ID]),
				  root_id, sizeof(root_id));
		fprintf(f, "designated_root %s ", root_id);
	}

	if (tb[IFLA_BRPORT_HOLD_TIMER]) {
		struct timeval tv;
		__u64 htimer;

		htimer = rta_getattr_u64(tb[IFLA_BRPORT_HOLD_TIMER]);
		__jiffies_to_tv(&tv, htimer);
		fprintf(f, "hold_timer %4i.%.2i ", (int)tv.tv_sec,
			(int)tv.tv_usec/10000);
	}

	if (tb[IFLA_BRPORT_MESSAGE_AGE_TIMER]) {
		struct timeval tv;
		__u64 agetimer;

		agetimer = rta_getattr_u64(tb[IFLA_BRPORT_MESSAGE_AGE_TIMER]);
		__jiffies_to_tv(&tv, agetimer);
		fprintf(f, "message_age_timer %4i.%.2i ", (int)tv.tv_sec,
			(int)tv.tv_usec/10000);
	}

	if (tb[IFLA_BRPORT_FORWARD_DELAY_TIMER]) {
		struct timeval tv;
		__u64 fwdtimer;

		fwdtimer = rta_getattr_u64(tb[IFLA_BRPORT_FORWARD_DELAY_TIMER]);
		__jiffies_to_tv(&tv, fwdtimer);
		fprintf(f, "forward_delay_timer %4i.%.2i ", (int)tv.tv_sec,
			(int)tv.tv_usec/10000);
	}

	if (tb[IFLA_BRPORT_TOPOLOGY_CHANGE_ACK])
		fprintf(f, "topology_change_ack %u ",
			rta_getattr_u8(tb[IFLA_BRPORT_TOPOLOGY_CHANGE_ACK]));

	if (tb[IFLA_BRPORT_CONFIG_PENDING])
		fprintf(f, "config_pending %u ",
			rta_getattr_u8(tb[IFLA_BRPORT_CONFIG_PENDING]));
	if (tb[IFLA_BRPORT_PROXYARP])
		print_onoff(f, "proxy_arp",
			    rta_getattr_u8(tb[IFLA_BRPORT_PROXYARP]));

	if (tb[IFLA_BRPORT_PROXYARP_WIFI])
		print_onoff(f, "proxy_arp_wifi",
			    rta_getattr_u8(tb[IFLA_BRPORT_PROXYARP_WIFI]));

	if (tb[IFLA_BRPORT_MULTICAST_ROUTER])
		fprintf(f, "mcast_router %u ",
			rta_getattr_u8(tb[IFLA_BRPORT_MULTICAST_ROUTER]));

	if (tb[IFLA_BRPORT_FAST_LEAVE])
		print_onoff(f, "mcast_fast_leave",
			    rta_getattr_u8(tb[IFLA_BRPORT_FAST_LEAVE]));
}

static void bridge_slave_parse_on_off(char *arg_name, char *arg_val,
				      struct nlmsghdr *n, int type)
{
	__u8 val;

	if (strcmp(arg_val, "on") == 0)
		val = 1;
	else if (strcmp(arg_val, "off") == 0)
		val = 0;
	else
		invarg("should be \"on\" or \"off\"", arg_name);

	addattr8(n, 1024, type, val);
}

static int bridge_slave_parse_opt(struct link_util *lu, int argc, char **argv,
				  struct nlmsghdr *n)
{
	__u8 state;
	__u16 priority;
	__u32 cost;

	while (argc > 0) {
		if (matches(*argv, "state") == 0) {
			NEXT_ARG();
			if (get_u8(&state, *argv, 0))
				invarg("state is invalid", *argv);
			addattr8(n, 1024, IFLA_BRPORT_STATE, state);
		} else if (matches(*argv, "priority") == 0) {
			NEXT_ARG();
			if (get_u16(&priority, *argv, 0))
				invarg("priority is invalid", *argv);
			addattr16(n, 1024, IFLA_BRPORT_PRIORITY, priority);
		} else if (matches(*argv, "cost") == 0) {
			NEXT_ARG();
			if (get_u32(&cost, *argv, 0))
				invarg("cost is invalid", *argv);
			addattr32(n, 1024, IFLA_BRPORT_COST, cost);
		} else if (matches(*argv, "hairpin") == 0) {
			NEXT_ARG();
			bridge_slave_parse_on_off("hairpin", *argv, n,
						  IFLA_BRPORT_MODE);
		} else if (matches(*argv, "guard") == 0) {
			NEXT_ARG();
			bridge_slave_parse_on_off("guard", *argv, n,
						  IFLA_BRPORT_GUARD);
		} else if (matches(*argv, "root_block") == 0) {
			NEXT_ARG();
			bridge_slave_parse_on_off("root_block", *argv, n,
						  IFLA_BRPORT_PROTECT);
		} else if (matches(*argv, "fastleave") == 0) {
			NEXT_ARG();
			bridge_slave_parse_on_off("fastleave", *argv, n,
						  IFLA_BRPORT_FAST_LEAVE);
		} else if (matches(*argv, "learning") == 0) {
			NEXT_ARG();
			bridge_slave_parse_on_off("learning", *argv, n,
						  IFLA_BRPORT_LEARNING);
		} else if (matches(*argv, "flood") == 0) {
			NEXT_ARG();
			bridge_slave_parse_on_off("flood", *argv, n,
						  IFLA_BRPORT_UNICAST_FLOOD);
		} else if (matches(*argv, "proxy_arp") == 0) {
			NEXT_ARG();
			bridge_slave_parse_on_off("proxy_arp", *argv, n,
						  IFLA_BRPORT_PROXYARP);
		} else if (matches(*argv, "proxy_arp_wifi") == 0) {
			NEXT_ARG();
			bridge_slave_parse_on_off("proxy_arp_wifi", *argv, n,
						  IFLA_BRPORT_PROXYARP_WIFI);
		} else if (matches(*argv, "mcast_router") == 0) {
			__u8 mcast_router;

			NEXT_ARG();
			if (get_u8(&mcast_router, *argv, 0))
				invarg("invalid mcast_router", *argv);
			addattr8(n, 1024, IFLA_BRPORT_MULTICAST_ROUTER,
				 mcast_router);
		} else if (matches(*argv, "mcast_fast_leave") == 0) {
			NEXT_ARG();
			bridge_slave_parse_on_off("mcast_fast_leave", *argv, n,
						  IFLA_BRPORT_FAST_LEAVE);
		} else if (matches(*argv, "help") == 0) {
			explain();
			return -1;
		} else {
			fprintf(stderr, "bridge_slave: unknown option \"%s\"?\n",
				*argv);
			explain();
			return -1;
		}
		argc--, argv++;
	}

	return 0;
}

static void bridge_slave_print_help(struct link_util *lu, int argc, char **argv,
		FILE *f)
{
	print_explain(f);
}

struct link_util bridge_slave_link_util = {
	.id		= "bridge",
	.maxattr	= IFLA_BRPORT_MAX,
	.print_opt	= bridge_slave_print_opt,
	.parse_opt	= bridge_slave_parse_opt,
	.print_help     = bridge_slave_print_help,
	.slave		= true,
};
Commit	Line	Data
8c39db39 JP	1	/*
	2	* iplink_bridge_slave.c Bridge slave device support
	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: Jiri Pirko <jiri@resnulli.us>
	10	*/
	11
	12	#include <stdio.h>
	13	#include <sys/socket.h>
	14	#include <netinet/in.h>
	15	#include <linux/if_link.h>
	16	#include <linux/if_bridge.h>
	17
	18	#include "rt_names.h"
	19	#include "utils.h"
	20	#include "ip_common.h"
	21
a560d850	22	static void print_explain(FILE *f)
8c39db39	23	{
a560d850	24	fprintf(f,
8c39db39 JP	25	"Usage: ... bridge_slave [ state STATE ] [ priority PRIO ] [cost COST ]\n"
8c39db39 JP	26	" [ guard {on \| off} ]\n"
56f5daac	27	" [ hairpin {on \| off} ]\n"
8c39db39 JP	28	" [ fastleave {on \| off} ]\n"
	29	" [ root_block {on \| off} ]\n"
	30	" [ learning {on \| off} ]\n"
	31	" [ flood {on \| off} ]\n"
f6e615de	32	" [ proxy_arp {on \| off} ]\n"
38b31a78	33	" [ proxy_arp_wifi {on \| off} ]\n"
10759a90	34	" [ mcast_router MULTICAST_ROUTER ]\n"
478a8e59	35	" [ mcast_fast_leave {on \| off} ]\n"
8c39db39 JP	36	);
	37	}
	38
a560d850 ZS	39	static void explain(void)
	40	{
	41	print_explain(stderr);
	42	}
	43
8c39db39 JP	44	static const char *port_states[] = {
	45	[BR_STATE_DISABLED] = "disabled",
	46	[BR_STATE_LISTENING] = "listening",
	47	[BR_STATE_LEARNING] = "learning",
	48	[BR_STATE_FORWARDING] = "forwarding",
	49	[BR_STATE_BLOCKING] = "blocking",
	50	};
	51
	52	static void print_portstate(FILE *f, __u8 state)
	53	{
	54	if (state <= BR_STATE_BLOCKING)
	55	fprintf(f, "state %s ", port_states[state]);
	56	else
	57	fprintf(f, "state (%d) ", state);
	58	}
	59
	60	static void print_onoff(FILE f, char flag, __u8 val)
	61	{
	62	fprintf(f, "%s %s ", flag, val ? "on" : "off");
	63	}
	64
	65	static void bridge_slave_print_opt(struct link_util lu, FILE f,
	66	struct rtattr *tb[])
	67	{
	68	if (!tb)
	69	return;
	70
	71	if (tb[IFLA_BRPORT_STATE])
	72	print_portstate(f, rta_getattr_u8(tb[IFLA_BRPORT_STATE]));
	73
	74	if (tb[IFLA_BRPORT_PRIORITY])
	75	fprintf(f, "priority %d ",
	76	rta_getattr_u16(tb[IFLA_BRPORT_PRIORITY]));
	77
	78	if (tb[IFLA_BRPORT_COST])
	79	fprintf(f, "cost %d ",
	80	rta_getattr_u32(tb[IFLA_BRPORT_COST]));
	81
	82	if (tb[IFLA_BRPORT_MODE])
	83	print_onoff(f, "hairpin",
	84	rta_getattr_u8(tb[IFLA_BRPORT_MODE]));
	85
	86	if (tb[IFLA_BRPORT_GUARD])
	87	print_onoff(f, "guard",
	88	rta_getattr_u8(tb[IFLA_BRPORT_GUARD]));
	89
	90	if (tb[IFLA_BRPORT_PROTECT])
	91	print_onoff(f, "root_block",
	92	rta_getattr_u8(tb[IFLA_BRPORT_PROTECT]));
	93
	94	if (tb[IFLA_BRPORT_FAST_LEAVE])
	95	print_onoff(f, "fastleave",
	96	rta_getattr_u8(tb[IFLA_BRPORT_FAST_LEAVE]));
	97
	98	if (tb[IFLA_BRPORT_LEARNING])
	99	print_onoff(f, "learning",
	100	rta_getattr_u8(tb[IFLA_BRPORT_LEARNING]));
	101
	102	if (tb[IFLA_BRPORT_UNICAST_FLOOD])
	103	print_onoff(f, "flood",
	104	rta_getattr_u8(tb[IFLA_BRPORT_UNICAST_FLOOD]));
3069539f NA	105
	106	if (tb[IFLA_BRPORT_ID])
	107	fprintf(f, "port_id 0x%x ",
	108	rta_getattr_u16(tb[IFLA_BRPORT_ID]));
	109
	110	if (tb[IFLA_BRPORT_NO])
	111	fprintf(f, "port_no 0x%x ",
	112	rta_getattr_u16(tb[IFLA_BRPORT_NO]));
	113
	114	if (tb[IFLA_BRPORT_DESIGNATED_PORT])
	115	fprintf(f, "designated_port %u ",
	116	rta_getattr_u16(tb[IFLA_BRPORT_DESIGNATED_PORT]));
	117
	118	if (tb[IFLA_BRPORT_DESIGNATED_COST])
	119	fprintf(f, "designated_cost %u ",
	120	rta_getattr_u16(tb[IFLA_BRPORT_DESIGNATED_COST]));
	121
	122	if (tb[IFLA_BRPORT_BRIDGE_ID]) {
	123	char bridge_id[32];
	124
	125	br_dump_bridge_id(RTA_DATA(tb[IFLA_BRPORT_BRIDGE_ID]),
	126	bridge_id, sizeof(bridge_id));
	127	fprintf(f, "designated_bridge %s ", bridge_id);
	128	}
	129
	130	if (tb[IFLA_BRPORT_ROOT_ID]) {
	131	char root_id[32];
	132
	133	br_dump_bridge_id(RTA_DATA(tb[IFLA_BRPORT_ROOT_ID]),
	134	root_id, sizeof(root_id));
	135	fprintf(f, "designated_root %s ", root_id);
	136	}
	137
	138	if (tb[IFLA_BRPORT_HOLD_TIMER]) {
	139	struct timeval tv;
	140	__u64 htimer;
	141
	142	htimer = rta_getattr_u64(tb[IFLA_BRPORT_HOLD_TIMER]);
	143	__jiffies_to_tv(&tv, htimer);
	144	fprintf(f, "hold_timer %4i.%.2i ", (int)tv.tv_sec,
	145	(int)tv.tv_usec/10000);
	146	}
	147
	148	if (tb[IFLA_BRPORT_MESSAGE_AGE_TIMER]) {
	149	struct timeval tv;
	150	__u64 agetimer;
	151
	152	agetimer = rta_getattr_u64(tb[IFLA_BRPORT_MESSAGE_AGE_TIMER]);
	153	__jiffies_to_tv(&tv, agetimer);
	154	fprintf(f, "message_age_timer %4i.%.2i ", (int)tv.tv_sec,
	155	(int)tv.tv_usec/10000);
	156	}
	157
	158	if (tb[IFLA_BRPORT_FORWARD_DELAY_TIMER]) {
	159	struct timeval tv;
	160	__u64 fwdtimer;
	161
	162	fwdtimer = rta_getattr_u64(tb[IFLA_BRPORT_FORWARD_DELAY_TIMER]);
	163	__jiffies_to_tv(&tv, fwdtimer);
	164	fprintf(f, "forward_delay_timer %4i.%.2i ", (int)tv.tv_sec,
	165	(int)tv.tv_usec/10000);
	166	}
	167
	168	if (tb[IFLA_BRPORT_TOPOLOGY_CHANGE_ACK])
169	fprintf(f, "topology_change_ack %u ",
170	rta_getattr_u8(tb[IFLA_BRPORT_TOPOLOGY_CHANGE_ACK]));
171
172	if (tb[IFLA_BRPORT_CONFIG_PENDING])
173	fprintf(f, "config_pending %u ",
174	rta_getattr_u8(tb[IFLA_BRPORT_CONFIG_PENDING]));
f6e615de NA	175	if (tb[IFLA_BRPORT_PROXYARP])
	176	print_onoff(f, "proxy_arp",
	177	rta_getattr_u8(tb[IFLA_BRPORT_PROXYARP]));
38b31a78 NA	178
	179	if (tb[IFLA_BRPORT_PROXYARP_WIFI])
	180	print_onoff(f, "proxy_arp_wifi",
	181	rta_getattr_u8(tb[IFLA_BRPORT_PROXYARP_WIFI]));
10759a90 NA	182
	183	if (tb[IFLA_BRPORT_MULTICAST_ROUTER])
	184	fprintf(f, "mcast_router %u ",
	185	rta_getattr_u8(tb[IFLA_BRPORT_MULTICAST_ROUTER]));
478a8e59 NA	186
	187	if (tb[IFLA_BRPORT_FAST_LEAVE])
	188	print_onoff(f, "mcast_fast_leave",
	189	rta_getattr_u8(tb[IFLA_BRPORT_FAST_LEAVE]));
8c39db39 JP	190	}
	191
	192	static void bridge_slave_parse_on_off(char arg_name, char arg_val,
	193	struct nlmsghdr *n, int type)
	194	{
	195	__u8 val;
	196
	197	if (strcmp(arg_val, "on") == 0)
	198	val = 1;
	199	else if (strcmp(arg_val, "off") == 0)
	200	val = 0;
	201	else
	202	invarg("should be \"on\" or \"off\"", arg_name);
	203
	204	addattr8(n, 1024, type, val);
	205	}
	206
	207	static int bridge_slave_parse_opt(struct link_util lu, int argc, char *argv,
	208	struct nlmsghdr *n)
	209	{
	210	__u8 state;
	211	__u16 priority;
	212	__u32 cost;
	213
	214	while (argc > 0) {
	215	if (matches(*argv, "state") == 0) {
	216	NEXT_ARG();
	217	if (get_u8(&state, *argv, 0))
	218	invarg("state is invalid", *argv);
	219	addattr8(n, 1024, IFLA_BRPORT_STATE, state);
	220	} else if (matches(*argv, "priority") == 0) {
	221	NEXT_ARG();
	222	if (get_u16(&priority, *argv, 0))
	223	invarg("priority is invalid", *argv);
	224	addattr16(n, 1024, IFLA_BRPORT_PRIORITY, priority);
	225	} else if (matches(*argv, "cost") == 0) {
	226	NEXT_ARG();
	227	if (get_u32(&cost, *argv, 0))
	228	invarg("cost is invalid", *argv);
	229	addattr32(n, 1024, IFLA_BRPORT_COST, cost);
	230	} else if (matches(*argv, "hairpin") == 0) {
	231	NEXT_ARG();
	232	bridge_slave_parse_on_off("hairpin", *argv, n,
	233	IFLA_BRPORT_MODE);
	234	} else if (matches(*argv, "guard") == 0) {
	235	NEXT_ARG();
	236	bridge_slave_parse_on_off("guard", *argv, n,
	237	IFLA_BRPORT_GUARD);
	238	} else if (matches(*argv, "root_block") == 0) {
	239	NEXT_ARG();
	240	bridge_slave_parse_on_off("root_block", *argv, n,
	241	IFLA_BRPORT_PROTECT);
	242	} else if (matches(*argv, "fastleave") == 0) {
	243	NEXT_ARG();
	244	bridge_slave_parse_on_off("fastleave", *argv, n,
	245	IFLA_BRPORT_FAST_LEAVE);
	246	} else if (matches(*argv, "learning") == 0) {
	247	NEXT_ARG();
	248	bridge_slave_parse_on_off("learning", *argv, n,
	249	IFLA_BRPORT_LEARNING);
	250	} else if (matches(*argv, "flood") == 0) {
	251	NEXT_ARG();
	252	bridge_slave_parse_on_off("flood", *argv, n,
	253	IFLA_BRPORT_UNICAST_FLOOD);
f6e615de NA	254	} else if (matches(*argv, "proxy_arp") == 0) {
	255	NEXT_ARG();
	256	bridge_slave_parse_on_off("proxy_arp", *argv, n,
	257	IFLA_BRPORT_PROXYARP);
38b31a78 NA	258	} else if (matches(*argv, "proxy_arp_wifi") == 0) {
	259	NEXT_ARG();
	260	bridge_slave_parse_on_off("proxy_arp_wifi", *argv, n,
	261	IFLA_BRPORT_PROXYARP_WIFI);
10759a90 NA	262	} else if (matches(*argv, "mcast_router") == 0) {
	263	__u8 mcast_router;
	264
	265	NEXT_ARG();
	266	if (get_u8(&mcast_router, *argv, 0))
	267	invarg("invalid mcast_router", *argv);
	268	addattr8(n, 1024, IFLA_BRPORT_MULTICAST_ROUTER,
	269	mcast_router);
478a8e59 NA	270	} else if (matches(*argv, "mcast_fast_leave") == 0) {
	271	NEXT_ARG();
	272	bridge_slave_parse_on_off("mcast_fast_leave", *argv, n,
	273	IFLA_BRPORT_FAST_LEAVE);
8c39db39 JP	274	} else if (matches(*argv, "help") == 0) {
	275	explain();
	276	return -1;
	277	} else {
	278	fprintf(stderr, "bridge_slave: unknown option \"%s\"?\n",
	279	*argv);
	280	explain();
	281	return -1;
	282	}
	283	argc--, argv++;
	284	}
	285
	286	return 0;
	287	}
	288
a560d850 ZS	289	static void bridge_slave_print_help(struct link_util lu, int argc, char *argv,
	290	FILE *f)
	291	{
	292	print_explain(f);
	293	}
	294
8c39db39 JP	295	struct link_util bridge_slave_link_util = {
	296	.id = "bridge",
	297	.maxattr = IFLA_BRPORT_MAX,
	298	.print_opt = bridge_slave_print_opt,
	299	.parse_opt = bridge_slave_parse_opt,
a560d850	300	.print_help = bridge_slave_print_help,
8c39db39 JP	301	.slave = true,
8c39db39 JP	302	};