[mirror_iproute2.git] / bridge / fdb.c

/*
 * Get/set/delete fdb table with netlink
 *
 * TODO: merge/replace this with ip neighbour
 *
 * Authors:	Stephen Hemminger <shemminger@vyatta.com>
 */

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <netdb.h>
#include <time.h>
#include <fcntl.h>
#include <sys/socket.h>
#include <sys/time.h>
#include <net/if.h>
#include <netinet/in.h>
#include <linux/if_bridge.h>
#include <linux/if_ether.h>
#include <linux/neighbour.h>
#include <string.h>
#include <limits.h>

#include "libnetlink.h"
#include "br_common.h"
#include "rt_names.h"
#include "utils.h"

int filter_index;

static void usage(void)
{
	fprintf(stderr, "Usage: bridge fdb { add | append | del | replace } ADDR dev DEV {self|master} [ temp ]\n"
		        "              [router] [ dst IPADDR] [ vlan VID ]\n"
		        "              [ port PORT] [ vni VNI ] [via DEV]\n");
	fprintf(stderr, "       bridge fdb {show} [ dev DEV ]\n");
	exit(-1);
}

static const char *state_n2a(unsigned s)
{
	static char buf[32];

	if (s & NUD_PERMANENT)
		return "permanent";

	if (s & NUD_NOARP)
		return "static";

	if (s & NUD_STALE)
		return "stale";

	if (s & NUD_REACHABLE)
		return "";

	sprintf(buf, "state=%#x", s);
	return buf;
}

int print_fdb(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
{
	FILE *fp = arg;
	struct ndmsg *r = NLMSG_DATA(n);
	int len = n->nlmsg_len;
	struct rtattr * tb[NDA_MAX+1];

	if (n->nlmsg_type != RTM_NEWNEIGH && n->nlmsg_type != RTM_DELNEIGH) {
		fprintf(stderr, "Not RTM_NEWNEIGH: %08x %08x %08x\n",
			n->nlmsg_len, n->nlmsg_type, n->nlmsg_flags);

		return 0;
	}

	len -= NLMSG_LENGTH(sizeof(*r));
	if (len < 0) {
		fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
		return -1;
	}

	if (r->ndm_family != AF_BRIDGE)
		return 0;

	if (filter_index && filter_index != r->ndm_ifindex)
		return 0;

	parse_rtattr(tb, NDA_MAX, NDA_RTA(r),
		     n->nlmsg_len - NLMSG_LENGTH(sizeof(*r)));

	if (n->nlmsg_type == RTM_DELNEIGH)
		fprintf(fp, "Deleted ");

	if (tb[NDA_LLADDR]) {
		SPRINT_BUF(b1);
		fprintf(fp, "%s ",
			ll_addr_n2a(RTA_DATA(tb[NDA_LLADDR]),
				    RTA_PAYLOAD(tb[NDA_LLADDR]),
				    ll_index_to_type(r->ndm_ifindex),
				    b1, sizeof(b1)));
	}

	if (!filter_index && r->ndm_ifindex)
		fprintf(fp, "dev %s ", ll_index_to_name(r->ndm_ifindex));

	if (tb[NDA_DST]) {
		SPRINT_BUF(abuf);
		int family = AF_INET;

		if (RTA_PAYLOAD(tb[NDA_DST]) == sizeof(struct in6_addr))
			family = AF_INET6;

		fprintf(fp, "dst %s ",
			format_host(family,
				    RTA_PAYLOAD(tb[NDA_DST]),
				    RTA_DATA(tb[NDA_DST]),
				    abuf, sizeof(abuf)));
	}

	if (tb[NDA_VLAN]) {
		__u16 vid = rta_getattr_u16(tb[NDA_VLAN]);
		fprintf(fp, "vlan %hu ", vid);
	}

	if (tb[NDA_PORT])
		fprintf(fp, "port %d ", ntohs(rta_getattr_u16(tb[NDA_PORT])));
	if (tb[NDA_VNI])
		fprintf(fp, "vni %d ", rta_getattr_u32(tb[NDA_VNI]));
	if (tb[NDA_IFINDEX]) {
		unsigned int ifindex = rta_getattr_u32(tb[NDA_IFINDEX]);

		if (ifindex) {
			char ifname[IF_NAMESIZE];

			if (if_indextoname(ifindex, ifname))
				fprintf(fp, "via %s ", ifname);
			else
				fprintf(fp, "via ifindex %u ", ifindex);
		}
	}

	if (show_stats && tb[NDA_CACHEINFO]) {
		struct nda_cacheinfo *ci = RTA_DATA(tb[NDA_CACHEINFO]);
		int hz = get_user_hz();

		fprintf(fp, " used %d/%d", ci->ndm_used/hz,
		       ci->ndm_updated/hz);
	}
	if (r->ndm_flags & NTF_SELF)
		fprintf(fp, "self ");
	if (r->ndm_flags & NTF_MASTER)
		fprintf(fp, "master ");
	if (r->ndm_flags & NTF_ROUTER)
		fprintf(fp, "router ");

	fprintf(fp, "%s\n", state_n2a(r->ndm_state));
	return 0;
}

static int fdb_show(int argc, char **argv)
{
	char *filter_dev = NULL;

	while (argc > 0) {
		if (strcmp(*argv, "dev") == 0) {
			NEXT_ARG();
			if (filter_dev)
				duparg("dev", *argv);
			filter_dev = *argv;
		}
		argc--; argv++;
	}

	if (filter_dev) {
		filter_index = if_nametoindex(filter_dev);
		if (filter_index == 0) {
			fprintf(stderr, "Cannot find device \"%s\"\n",
				filter_dev);
			return -1;
		}
	}

	if (rtnl_wilddump_request(&rth, PF_BRIDGE, RTM_GETNEIGH) < 0) {
		perror("Cannot send dump request");
		exit(1);
	}

	if (rtnl_dump_filter(&rth, print_fdb, stdout) < 0) {
		fprintf(stderr, "Dump terminated\n");
		exit(1);
	}

	return 0;
}

static int fdb_modify(int cmd, int flags, int argc, char **argv)
{
	struct {
		struct nlmsghdr 	n;
		struct ndmsg 		ndm;
		char   			buf[256];
	} req;
	char *addr = NULL;
	char *d = NULL;
	char abuf[ETH_ALEN];
	int dst_ok = 0;
	inet_prefix dst;
	unsigned long port = 0;
	unsigned long vni = ~0;
	unsigned int via = 0;
	char *endptr;
	short vid = -1;

	memset(&req, 0, sizeof(req));

	req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ndmsg));
	req.n.nlmsg_flags = NLM_F_REQUEST|flags;
	req.n.nlmsg_type = cmd;
	req.ndm.ndm_family = PF_BRIDGE;
	req.ndm.ndm_state = NUD_NOARP;

	while (argc > 0) {
		if (strcmp(*argv, "dev") == 0) {
			NEXT_ARG();
			d = *argv;
		} else if (strcmp(*argv, "dst") == 0) {
			NEXT_ARG();
			if (dst_ok)
				duparg2("dst", *argv);
			get_addr(&dst, *argv, preferred_family);
			dst_ok = 1;
		} else if (strcmp(*argv, "port") == 0) {

			NEXT_ARG();
			port = strtoul(*argv, &endptr, 0);
			if (endptr && *endptr) {
				struct servent *pse;

				pse = getservbyname(*argv, "udp");
				if (!pse)
					invarg("invalid port\n", *argv);
				port = ntohs(pse->s_port);
			} else if (port > 0xffff)
				invarg("invalid port\n", *argv);
		} else if (strcmp(*argv, "vni") == 0) {
			NEXT_ARG();
			vni = strtoul(*argv, &endptr, 0);
			if ((endptr && *endptr) ||
			    (vni >> 24) || vni == ULONG_MAX)
				invarg("invalid VNI\n", *argv);
		} else if (strcmp(*argv, "via") == 0) {
			NEXT_ARG();
			via = if_nametoindex(*argv);
			if (via == 0)
				invarg("invalid device\n", *argv);
		} else if (strcmp(*argv, "self") == 0) {
			req.ndm.ndm_flags |= NTF_SELF;
		} else if (matches(*argv, "master") == 0) {
			req.ndm.ndm_flags |= NTF_MASTER;
		} else if (matches(*argv, "router") == 0) {
			req.ndm.ndm_flags |= NTF_ROUTER;
		} else if (matches(*argv, "local") == 0||
			   matches(*argv, "permanent") == 0) {
			req.ndm.ndm_state |= NUD_PERMANENT;
		} else if (matches(*argv, "temp") == 0) {
			req.ndm.ndm_state |= NUD_REACHABLE;
		} else if (matches(*argv, "vlan") == 0) {
			if (vid >= 0)
				duparg2("vlan", *argv);
			NEXT_ARG();
			vid = atoi(*argv);
		} else {
			if (strcmp(*argv, "to") == 0) {
				NEXT_ARG();
			}
			if (matches(*argv, "help") == 0)
				usage();
			if (addr)
				duparg2("to", *argv);
			addr = *argv;
		}
		argc--; argv++;
	}

	if (d == NULL || addr == NULL) {
		fprintf(stderr, "Device and address are required arguments.\n");
		exit(-1);
	}

	/* Assume self */
	if (!(req.ndm.ndm_flags&(NTF_SELF|NTF_MASTER)))
		req.ndm.ndm_flags |= NTF_SELF;

	/* Assume permanent */
	if (!(req.ndm.ndm_state&(NUD_PERMANENT|NUD_REACHABLE)))
		req.ndm.ndm_state |= NUD_PERMANENT;

	if (sscanf(addr, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx",
		   abuf, abuf+1, abuf+2,
		   abuf+3, abuf+4, abuf+5) != 6) {
		fprintf(stderr, "Invalid mac address %s\n", addr);
		exit(-1);
	}

	addattr_l(&req.n, sizeof(req), NDA_LLADDR, abuf, ETH_ALEN);
	if (dst_ok)
		addattr_l(&req.n, sizeof(req), NDA_DST, &dst.data, dst.bytelen);

	if (vid >= 0)
		addattr16(&req.n, sizeof(req), NDA_VLAN, vid);

	if (port) {
		unsigned short dport;

		dport = htons((unsigned short)port);
		addattr16(&req.n, sizeof(req), NDA_PORT, dport);
	}
	if (vni != ~0)
		addattr32(&req.n, sizeof(req), NDA_VNI, vni);
	if (via)
		addattr32(&req.n, sizeof(req), NDA_IFINDEX, via);

	req.ndm.ndm_ifindex = ll_name_to_index(d);
	if (req.ndm.ndm_ifindex == 0) {
		fprintf(stderr, "Cannot find device \"%s\"\n", d);
		return -1;
	}

	if (rtnl_talk(&rth, &req.n, 0, 0, NULL) < 0)
		exit(2);

	return 0;
}

int do_fdb(int argc, char **argv)
{
	ll_init_map(&rth);

	if (argc > 0) {
		if (matches(*argv, "add") == 0)
			return fdb_modify(RTM_NEWNEIGH, NLM_F_CREATE|NLM_F_EXCL, argc-1, argv+1);
		if (matches(*argv, "append") == 0)
			return fdb_modify(RTM_NEWNEIGH, NLM_F_CREATE|NLM_F_APPEND, argc-1, argv+1);
		if (matches(*argv, "replace") == 0)
			return fdb_modify(RTM_NEWNEIGH, NLM_F_CREATE|NLM_F_REPLACE, argc-1, argv+1);
		if (matches(*argv, "delete") == 0)
			return fdb_modify(RTM_DELNEIGH, 0, argc-1, argv+1);
		if (matches(*argv, "show") == 0 ||
		    matches(*argv, "lst") == 0 ||
		    matches(*argv, "list") == 0)
			return fdb_show(argc-1, argv+1);
		if (matches(*argv, "help") == 0)
			usage();
	} else
		return fdb_show(0, NULL);

	fprintf(stderr, "Command \"%s\" is unknown, try \"bridge fdb help\".\n", *argv);
	exit(-1);
}
Commit	Line	Data
d04bc300 SH	1	/*
	2	* Get/set/delete fdb table with netlink
	3	*
0849e60a SH	4	* TODO: merge/replace this with ip neighbour
0849e60a SH	5	*
d04bc300 SH	6	* Authors: Stephen Hemminger <shemminger@vyatta.com>
	7	*/
	8
	9	#include <stdio.h>
	10	#include <stdlib.h>
	11	#include <unistd.h>
5f409678	12	#include <netdb.h>
d04bc300 SH	13	#include <time.h>
	14	#include <fcntl.h>
	15	#include <sys/socket.h>
	16	#include <sys/time.h>
	17	#include <net/if.h>
	18	#include <netinet/in.h>
	19	#include <linux/if_bridge.h>
	20	#include <linux/if_ether.h>
	21	#include <linux/neighbour.h>
	22	#include <string.h>
dd9cc0ee	23	#include <limits.h>
d04bc300 SH	24
	25	#include "libnetlink.h"
	26	#include "br_common.h"
0849e60a	27	#include "rt_names.h"
d04bc300 SH	28	#include "utils.h"
	29
	30	int filter_index;
	31
	32	static void usage(void)
	33	{
5464049b	34	fprintf(stderr, "Usage: bridge fdb { add \| append \| del \| replace } ADDR dev DEV {self\|master} [ temp ]\n"
7578ae88	35	" [router] [ dst IPADDR] [ vlan VID ]\n"
5f409678	36	" [ port PORT] [ vni VNI ] [via DEV]\n");
90698170	37	fprintf(stderr, " bridge fdb {show} [ dev DEV ]\n");
d04bc300 SH	38	exit(-1);
	39	}
	40
	41	static const char *state_n2a(unsigned s)
	42	{
	43	static char buf[32];
	44
0849e60a SH	45	if (s & NUD_PERMANENT)
0849e60a SH	46	return "permanent";
d04bc300 SH	47
	48	if (s & NUD_NOARP)
	49	return "static";
	50
	51	if (s & NUD_STALE)
	52	return "stale";
0849e60a	53
d04bc300 SH	54	if (s & NUD_REACHABLE)
	55	return "";
	56
	57	sprintf(buf, "state=%#x", s);
	58	return buf;
	59	}
	60
d04bc300 SH	61	int print_fdb(const struct sockaddr_nl who, struct nlmsghdr n, void *arg)
d04bc300 SH	62	{
0849e60a	63	FILE *fp = arg;
d04bc300 SH	64	struct ndmsg *r = NLMSG_DATA(n);
	65	int len = n->nlmsg_len;
	66	struct rtattr * tb[NDA_MAX+1];
0849e60a SH	67
	68	if (n->nlmsg_type != RTM_NEWNEIGH && n->nlmsg_type != RTM_DELNEIGH) {
	69	fprintf(stderr, "Not RTM_NEWNEIGH: %08x %08x %08x\n",
	70	n->nlmsg_len, n->nlmsg_type, n->nlmsg_flags);
	71
	72	return 0;
	73	}
d04bc300 SH	74
	75	len -= NLMSG_LENGTH(sizeof(*r));
	76	if (len < 0) {
	77	fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
	78	return -1;
	79	}
	80
	81	if (r->ndm_family != AF_BRIDGE)
	82	return 0;
	83
	84	if (filter_index && filter_index != r->ndm_ifindex)
	85	return 0;
	86
	87	parse_rtattr(tb, NDA_MAX, NDA_RTA(r),
	88	n->nlmsg_len - NLMSG_LENGTH(sizeof(*r)));
	89
	90	if (n->nlmsg_type == RTM_DELNEIGH)
0849e60a SH	91	fprintf(fp, "Deleted ");
	92
	93	if (tb[NDA_LLADDR]) {
	94	SPRINT_BUF(b1);
	95	fprintf(fp, "%s ",
	96	ll_addr_n2a(RTA_DATA(tb[NDA_LLADDR]),
	97	RTA_PAYLOAD(tb[NDA_LLADDR]),
	98	ll_index_to_type(r->ndm_ifindex),
	99	b1, sizeof(b1)));
d04bc300	100	}
38df7ac9	101
0849e60a SH	102	if (!filter_index && r->ndm_ifindex)
	103	fprintf(fp, "dev %s ", ll_index_to_name(r->ndm_ifindex));
	104
	105	if (tb[NDA_DST]) {
	106	SPRINT_BUF(abuf);
9e763fa5 MR	107	int family = AF_INET;
	108
	109	if (RTA_PAYLOAD(tb[NDA_DST]) == sizeof(struct in6_addr))
	110	family = AF_INET6;
	111
0849e60a	112	fprintf(fp, "dst %s ",
9e763fa5	113	format_host(family,
0849e60a SH	114	RTA_PAYLOAD(tb[NDA_DST]),
	115	RTA_DATA(tb[NDA_DST]),
	116	abuf, sizeof(abuf)));
	117	}
38df7ac9	118
fd08839c VY	119	if (tb[NDA_VLAN]) {
	120	__u16 vid = rta_getattr_u16(tb[NDA_VLAN]);
	121	fprintf(fp, "vlan %hu ", vid);
	122	}
	123
5f409678 DS	124	if (tb[NDA_PORT])
	125	fprintf(fp, "port %d ", ntohs(rta_getattr_u16(tb[NDA_PORT])));
	126	if (tb[NDA_VNI])
	127	fprintf(fp, "vni %d ", rta_getattr_u32(tb[NDA_VNI]));
	128	if (tb[NDA_IFINDEX]) {
	129	unsigned int ifindex = rta_getattr_u32(tb[NDA_IFINDEX]);
	130
	131	if (ifindex) {
	132	char ifname[IF_NAMESIZE];
	133
	134	if (if_indextoname(ifindex, ifname))
	135	fprintf(fp, "via %s ", ifname);
	136	else
	137	fprintf(fp, "via ifindex %u ", ifindex);
	138	}
	139	}
	140
d04bc300 SH	141	if (show_stats && tb[NDA_CACHEINFO]) {
d04bc300 SH	142	struct nda_cacheinfo *ci = RTA_DATA(tb[NDA_CACHEINFO]);
0849e60a	143	int hz = get_user_hz();
d04bc300	144
0849e60a SH	145	fprintf(fp, " used %d/%d", ci->ndm_used/hz,
0849e60a SH	146	ci->ndm_updated/hz);
d04bc300	147	}
0849e60a SH	148	if (r->ndm_flags & NTF_SELF)
	149	fprintf(fp, "self ");
	150	if (r->ndm_flags & NTF_MASTER)
	151	fprintf(fp, "master ");
5b8a1d4a DS	152	if (r->ndm_flags & NTF_ROUTER)
5b8a1d4a DS	153	fprintf(fp, "router ");
d04bc300	154
0849e60a	155	fprintf(fp, "%s\n", state_n2a(r->ndm_state));
d04bc300 SH	156	return 0;
	157	}
	158
	159	static int fdb_show(int argc, char **argv)
	160	{
	161	char *filter_dev = NULL;
0849e60a	162
d04bc300 SH	163	while (argc > 0) {
	164	if (strcmp(*argv, "dev") == 0) {
	165	NEXT_ARG();
	166	if (filter_dev)
	167	duparg("dev", *argv);
	168	filter_dev = *argv;
	169	}
	170	argc--; argv++;
	171	}
	172
	173	if (filter_dev) {
0849e60a SH	174	filter_index = if_nametoindex(filter_dev);
	175	if (filter_index == 0) {
	176	fprintf(stderr, "Cannot find device \"%s\"\n",
	177	filter_dev);
d04bc300 SH	178	return -1;
	179	}
	180	}
	181
	182	if (rtnl_wilddump_request(&rth, PF_BRIDGE, RTM_GETNEIGH) < 0) {
	183	perror("Cannot send dump request");
	184	exit(1);
	185	}
d04bc300	186
0849e60a	187	if (rtnl_dump_filter(&rth, print_fdb, stdout) < 0) {
d04bc300 SH	188	fprintf(stderr, "Dump terminated\n");
	189	exit(1);
	190	}
	191
	192	return 0;
	193	}
	194
	195	static int fdb_modify(int cmd, int flags, int argc, char **argv)
	196	{
	197	struct {
	198	struct nlmsghdr n;
	199	struct ndmsg ndm;
	200	char buf[256];
	201	} req;
	202	char *addr = NULL;
	203	char *d = NULL;
	204	char abuf[ETH_ALEN];
0849e60a SH	205	int dst_ok = 0;
0849e60a SH	206	inet_prefix dst;
5f409678 DS	207	unsigned long port = 0;
	208	unsigned long vni = ~0;
	209	unsigned int via = 0;
	210	char *endptr;
fd08839c	211	short vid = -1;
d04bc300 SH	212
	213	memset(&req, 0, sizeof(req));
	214
	215	req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ndmsg));
	216	req.n.nlmsg_flags = NLM_F_REQUEST\|flags;
	217	req.n.nlmsg_type = cmd;
	218	req.ndm.ndm_family = PF_BRIDGE;
	219	req.ndm.ndm_state = NUD_NOARP;
	220
	221	while (argc > 0) {
	222	if (strcmp(*argv, "dev") == 0) {
	223	NEXT_ARG();
	224	d = *argv;
0849e60a SH	225	} else if (strcmp(*argv, "dst") == 0) {
	226	NEXT_ARG();
	227	if (dst_ok)
	228	duparg2("dst", *argv);
	229	get_addr(&dst, *argv, preferred_family);
	230	dst_ok = 1;
5f409678 DS	231	} else if (strcmp(*argv, "port") == 0) {
	232
	233	NEXT_ARG();
	234	port = strtoul(*argv, &endptr, 0);
	235	if (endptr && *endptr) {
	236	struct servent *pse;
	237
	238	pse = getservbyname(*argv, "udp");
	239	if (!pse)
	240	invarg("invalid port\n", *argv);
	241	port = ntohs(pse->s_port);
	242	} else if (port > 0xffff)
	243	invarg("invalid port\n", *argv);
	244	} else if (strcmp(*argv, "vni") == 0) {
	245	NEXT_ARG();
	246	vni = strtoul(*argv, &endptr, 0);
	247	if ((endptr && *endptr) \|\|
	248	(vni >> 24) \|\| vni == ULONG_MAX)
	249	invarg("invalid VNI\n", *argv);
	250	} else if (strcmp(*argv, "via") == 0) {
	251	NEXT_ARG();
	252	via = if_nametoindex(*argv);
	253	if (via == 0)
	254	invarg("invalid device\n", *argv);
dc6a6a25 JF	255	} else if (strcmp(*argv, "self") == 0) {
dc6a6a25 JF	256	req.ndm.ndm_flags \|= NTF_SELF;
0849e60a	257	} else if (matches(*argv, "master") == 0) {
dc6a6a25	258	req.ndm.ndm_flags \|= NTF_MASTER;
5b8a1d4a DS	259	} else if (matches(*argv, "router") == 0) {
5b8a1d4a DS	260	req.ndm.ndm_flags \|= NTF_ROUTER;
38df7ac9	261	} else if (matches(*argv, "local") == 0\|\|
0849e60a SH	262	matches(*argv, "permanent") == 0) {
	263	req.ndm.ndm_state \|= NUD_PERMANENT;
	264	} else if (matches(*argv, "temp") == 0) {
	265	req.ndm.ndm_state \|= NUD_REACHABLE;
fd08839c VY	266	} else if (matches(*argv, "vlan") == 0) {
	267	if (vid >= 0)
	268	duparg2("vlan", *argv);
	269	NEXT_ARG();
	270	vid = atoi(*argv);
d04bc300 SH	271	} else {
	272	if (strcmp(*argv, "to") == 0) {
	273	NEXT_ARG();
	274	}
0849e60a SH	275	if (matches(*argv, "help") == 0)
0849e60a SH	276	usage();
d04bc300 SH	277	if (addr)
	278	duparg2("to", *argv);
	279	addr = *argv;
	280	}
	281	argc--; argv++;
	282	}
	283
	284	if (d == NULL \|\| addr == NULL) {
	285	fprintf(stderr, "Device and address are required arguments.\n");
	286	exit(-1);
	287	}
	288
0849e60a SH	289	/* Assume self */
	290	if (!(req.ndm.ndm_flags&(NTF_SELF\|NTF_MASTER)))
	291	req.ndm.ndm_flags \|= NTF_SELF;
	292
	293	/* Assume permanent */
	294	if (!(req.ndm.ndm_state&(NUD_PERMANENT\|NUD_REACHABLE)))
	295	req.ndm.ndm_state \|= NUD_PERMANENT;
	296
	297	if (sscanf(addr, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx",
d04bc300 SH	298	abuf, abuf+1, abuf+2,
	299	abuf+3, abuf+4, abuf+5) != 6) {
	300	fprintf(stderr, "Invalid mac address %s\n", addr);
	301	exit(-1);
	302	}
	303
	304	addattr_l(&req.n, sizeof(req), NDA_LLADDR, abuf, ETH_ALEN);
0849e60a SH	305	if (dst_ok)
0849e60a SH	306	addattr_l(&req.n, sizeof(req), NDA_DST, &dst.data, dst.bytelen);
d04bc300	307
fd08839c	308	if (vid >= 0)
8ae66094	309	addattr16(&req.n, sizeof(req), NDA_VLAN, vid);
fd08839c	310
5f409678 DS	311	if (port) {
	312	unsigned short dport;
	313
	314	dport = htons((unsigned short)port);
	315	addattr16(&req.n, sizeof(req), NDA_PORT, dport);
	316	}
	317	if (vni != ~0)
	318	addattr32(&req.n, sizeof(req), NDA_VNI, vni);
	319	if (via)
	320	addattr32(&req.n, sizeof(req), NDA_IFINDEX, via);
	321
d04bc300 SH	322	req.ndm.ndm_ifindex = ll_name_to_index(d);
	323	if (req.ndm.ndm_ifindex == 0) {
	324	fprintf(stderr, "Cannot find device \"%s\"\n", d);
	325	return -1;
	326	}
	327
	328	if (rtnl_talk(&rth, &req.n, 0, 0, NULL) < 0)
	329	exit(2);
	330
	331	return 0;
	332	}
	333
	334	int do_fdb(int argc, char **argv)
	335	{
	336	ll_init_map(&rth);
	337
	338	if (argc > 0) {
	339	if (matches(*argv, "add") == 0)
	340	return fdb_modify(RTM_NEWNEIGH, NLM_F_CREATE\|NLM_F_EXCL, argc-1, argv+1);
5f409678 DS	341	if (matches(*argv, "append") == 0)
5f409678 DS	342	return fdb_modify(RTM_NEWNEIGH, NLM_F_CREATE\|NLM_F_APPEND, argc-1, argv+1);
5464049b TR	343	if (matches(*argv, "replace") == 0)
5464049b TR	344	return fdb_modify(RTM_NEWNEIGH, NLM_F_CREATE\|NLM_F_REPLACE, argc-1, argv+1);
d04bc300 SH	345	if (matches(*argv, "delete") == 0)
	346	return fdb_modify(RTM_DELNEIGH, 0, argc-1, argv+1);
	347	if (matches(*argv, "show") == 0 \|\|
	348	matches(*argv, "lst") == 0 \|\|
	349	matches(*argv, "list") == 0)
	350	return fdb_show(argc-1, argv+1);
	351	if (matches(*argv, "help") == 0)
	352	usage();
	353	} else
	354	return fdb_show(0, NULL);
	355
083b46bb	356	fprintf(stderr, "Command \"%s\" is unknown, try \"bridge fdb help\".\n", *argv);
d04bc300 SH	357	exit(-1);
d04bc300 SH	358	}