[mirror_iproute2.git] / ip / iplink_bond.c

/*
 * iplink_bond.c	Bonding 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>
 *              Scott Feldman <sfeldma@cumulusnetworks.com>
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <linux/if_link.h>
#include <linux/if_ether.h>
#include <net/if.h>

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

#define BOND_MAX_ARP_TARGETS    16

static const char *mode_tbl[] = {
	"balance-rr",
	"active-backup",
	"balance-xor",
	"broadcast",
	"802.3ad",
	"balance-tlb",
	"balance-alb",
	NULL,
};

static const char *arp_validate_tbl[] = {
	"none",
	"active",
	"backup",
	"all",
	NULL,
};

static const char *arp_all_targets_tbl[] = {
	"any",
	"all",
	NULL,
};

static const char *primary_reselect_tbl[] = {
	"always",
	"better",
	"failure",
	NULL,
};

static const char *fail_over_mac_tbl[] = {
	"none",
	"active",
	"follow",
	NULL,
};

static const char *xmit_hash_policy_tbl[] = {
	"layer2",
	"layer3+4",
	"layer2+3",
	"encap2+3",
	"encap3+4",
	NULL,
};

static const char *lacp_rate_tbl[] = {
	"slow",
	"fast",
	NULL,
};

static const char *ad_select_tbl[] = {
	"stable",
	"bandwidth",
	"count",
	NULL,
};

static const char *get_name(const char **tbl, int index)
{
	int i;

	for (i = 0; tbl[i]; i++)
		if (i == index)
			return tbl[i];

	return "UNKNOWN";
}

static int get_index(const char **tbl, char *name)
{
	int i, index;

	/* check for integer index passed in instead of name */
	if (get_integer(&index, name, 10) == 0)
		for (i = 0; tbl[i]; i++)
			if (i == index)
				return i;

	for (i = 0; tbl[i]; i++)
		if (strcmp(tbl[i], name) == 0)
			return i;

	return -1;
}

static void explain(void)
{
	fprintf(stderr,
		"Usage: ... bond [ mode BONDMODE ] [ active_slave SLAVE_DEV ]\n"
		"                [ clear_active_slave ] [ miimon MIIMON ]\n"
		"                [ updelay UPDELAY ] [ downdelay DOWNDELAY ]\n"
		"                [ use_carrier USE_CARRIER ]\n"
		"                [ arp_interval ARP_INTERVAL ]\n"
		"                [ arp_validate ARP_VALIDATE ]\n"
		"                [ arp_all_targets ARP_ALL_TARGETS ]\n"
		"                [ arp_ip_target [ ARP_IP_TARGET, ... ] ]\n"
		"                [ primary SLAVE_DEV ]\n"
		"                [ primary_reselect PRIMARY_RESELECT ]\n"
		"                [ fail_over_mac FAIL_OVER_MAC ]\n"
		"                [ xmit_hash_policy XMIT_HASH_POLICY ]\n"
		"                [ resend_igmp RESEND_IGMP ]\n"
		"                [ num_grat_arp|num_unsol_na NUM_GRAT_ARP|NUM_UNSOL_NA ]\n"
		"                [ all_slaves_active ALL_SLAVES_ACTIVE ]\n"
		"                [ min_links MIN_LINKS ]\n"
		"                [ lp_interval LP_INTERVAL ]\n"
		"                [ packets_per_slave PACKETS_PER_SLAVE ]\n"
		"                [ lacp_rate LACP_RATE ]\n"
		"                [ ad_select AD_SELECT ]\n"
		"\n"
		"BONDMODE := balance-rr|active-backup|balance-xor|broadcast|802.3ad|balance-tlb|balance-alb\n"
		"ARP_VALIDATE := none|active|backup|all\n"
		"ARP_ALL_TARGETS := any|all\n"
		"PRIMARY_RESELECT := always|better|failure\n"
		"FAIL_OVER_MAC := none|active|follow\n"
		"XMIT_HASH_POLICY := layer2|layer2+3|layer3+4\n"
		"LACP_RATE := slow|fast\n"
		"AD_SELECT := stable|bandwidth|count\n"
	);
}

static int bond_parse_opt(struct link_util *lu, int argc, char **argv,
			  struct nlmsghdr *n)
{
	__u8 mode, use_carrier, primary_reselect, fail_over_mac;
	__u8 xmit_hash_policy, num_peer_notif, all_slaves_active;
	__u8 lacp_rate, ad_select;
	__u32 miimon, updelay, downdelay, arp_interval, arp_validate;
	__u32 arp_all_targets, resend_igmp, min_links, lp_interval;
	__u32 packets_per_slave;
	unsigned ifindex;

	while (argc > 0) {
		if (matches(*argv, "mode") == 0) {
			NEXT_ARG();
			if (get_index(mode_tbl, *argv) < 0) {
				invarg("invalid mode", *argv);
				return -1;
			}
			mode = get_index(mode_tbl, *argv);
			addattr8(n, 1024, IFLA_BOND_MODE, mode);
		} else if (matches(*argv, "active_slave") == 0) {
			NEXT_ARG();
			ifindex = if_nametoindex(*argv);
			if (!ifindex)
				return -1;
			addattr32(n, 1024, IFLA_BOND_ACTIVE_SLAVE, ifindex);
		} else if (matches(*argv, "clear_active_slave") == 0) {
			addattr32(n, 1024, IFLA_BOND_ACTIVE_SLAVE, 0);
		} else if (matches(*argv, "miimon") == 0) {
			NEXT_ARG();
			if (get_u32(&miimon, *argv, 0)) {
				invarg("invalid miimon", *argv);
				return -1;
			}
			addattr32(n, 1024, IFLA_BOND_MIIMON, miimon);
		} else if (matches(*argv, "updelay") == 0) {
			NEXT_ARG();
			if (get_u32(&updelay, *argv, 0)) {
				invarg("invalid updelay", *argv);
				return -1;
			}
			addattr32(n, 1024, IFLA_BOND_UPDELAY, updelay);
		} else if (matches(*argv, "downdelay") == 0) {
			NEXT_ARG();
			if (get_u32(&downdelay, *argv, 0)) {
				invarg("invalid downdelay", *argv);
				return -1;
			}
			addattr32(n, 1024, IFLA_BOND_DOWNDELAY, downdelay);
		} else if (matches(*argv, "use_carrier") == 0) {
			NEXT_ARG();
			if (get_u8(&use_carrier, *argv, 0)) {
				invarg("invalid use_carrier", *argv);
				return -1;
			}
			addattr8(n, 1024, IFLA_BOND_USE_CARRIER, use_carrier);
		} else if (matches(*argv, "arp_interval") == 0) {
			NEXT_ARG();
			if (get_u32(&arp_interval, *argv, 0)) {
				invarg("invalid arp_interval", *argv);
				return -1;
			}
			addattr32(n, 1024, IFLA_BOND_ARP_INTERVAL, arp_interval);
		} else if (matches(*argv, "arp_ip_target") == 0) {
			struct rtattr * nest = addattr_nest(n, 1024,
				IFLA_BOND_ARP_IP_TARGET);
			if (NEXT_ARG_OK()) {
				NEXT_ARG();
				char *targets = strdupa(*argv);
				char *target = strtok(targets, ",");
				int i;

				for(i = 0; target && i < BOND_MAX_ARP_TARGETS; i++) {
					__u32 addr = get_addr32(target);
					addattr32(n, 1024, i, addr);
					target = strtok(NULL, ",");
				}
				addattr_nest_end(n, nest);
			}
			addattr_nest_end(n, nest);
		} else if (matches(*argv, "arp_validate") == 0) {
			NEXT_ARG();
			if (get_index(arp_validate_tbl, *argv) < 0) {
				invarg("invalid arp_validate", *argv);
				return -1;
			}
			arp_validate = get_index(arp_validate_tbl, *argv);
			addattr32(n, 1024, IFLA_BOND_ARP_VALIDATE, arp_validate);
		} else if (matches(*argv, "arp_all_targets") == 0) {
			NEXT_ARG();
			if (get_index(arp_all_targets_tbl, *argv) < 0) {
				invarg("invalid arp_all_targets", *argv);
				return -1;
			}
			arp_all_targets = get_index(arp_all_targets_tbl, *argv);
			addattr32(n, 1024, IFLA_BOND_ARP_ALL_TARGETS, arp_all_targets);
		} else if (matches(*argv, "primary") == 0) {
			NEXT_ARG();
			ifindex = if_nametoindex(*argv);
			if (!ifindex)
				return -1;
			addattr32(n, 1024, IFLA_BOND_PRIMARY, ifindex);
		} else if (matches(*argv, "primary_reselect") == 0) {
			NEXT_ARG();
			if (get_index(primary_reselect_tbl, *argv) < 0) {
				invarg("invalid primary_reselect", *argv);
				return -1;
			}
			primary_reselect = get_index(primary_reselect_tbl, *argv);
			addattr8(n, 1024, IFLA_BOND_PRIMARY_RESELECT,
				 primary_reselect);
		} else if (matches(*argv, "fail_over_mac") == 0) {
			NEXT_ARG();
			if (get_index(fail_over_mac_tbl, *argv) < 0) {
				invarg("invalid fail_over_mac", *argv);
				return -1;
			}
			fail_over_mac = get_index(fail_over_mac_tbl, *argv);
			addattr8(n, 1024, IFLA_BOND_FAIL_OVER_MAC,
				 fail_over_mac);
		} else if (matches(*argv, "xmit_hash_policy") == 0) {
			NEXT_ARG();
			if (get_index(xmit_hash_policy_tbl, *argv) < 0) {
				invarg("invalid xmit_hash_policy", *argv);
				return -1;
			}
			xmit_hash_policy = get_index(xmit_hash_policy_tbl, *argv);
			addattr8(n, 1024, IFLA_BOND_XMIT_HASH_POLICY,
				 xmit_hash_policy);
		} else if (matches(*argv, "resend_igmp") == 0) {
			NEXT_ARG();
			if (get_u32(&resend_igmp, *argv, 0)) {
				invarg("invalid resend_igmp", *argv);
				return -1;
			}
			addattr32(n, 1024, IFLA_BOND_RESEND_IGMP, resend_igmp);
		} else if (matches(*argv, "num_grat_arp") == 0 ||
			   matches(*argv, "num_unsol_na") == 0) {
			NEXT_ARG();
			if (get_u8(&num_peer_notif, *argv, 0)) {
				invarg("invalid num_grat_arp|num_unsol_na",
				       *argv);
				return -1;
			}
			addattr8(n, 1024, IFLA_BOND_NUM_PEER_NOTIF,
				 num_peer_notif);
		} else if (matches(*argv, "all_slaves_active") == 0) {
			NEXT_ARG();
			if (get_u8(&all_slaves_active, *argv, 0)) {
				invarg("invalid all_slaves_active", *argv);
				return -1;
			}
			addattr8(n, 1024, IFLA_BOND_ALL_SLAVES_ACTIVE,
				 all_slaves_active);
		} else if (matches(*argv, "min_links") == 0) {
			NEXT_ARG();
			if (get_u32(&min_links, *argv, 0)) {
				invarg("invalid min_links", *argv);
				return -1;
			}
			addattr32(n, 1024, IFLA_BOND_MIN_LINKS, min_links);
		} else if (matches(*argv, "lp_interval") == 0) {
			NEXT_ARG();
			if (get_u32(&lp_interval, *argv, 0)) {
				invarg("invalid lp_interval", *argv);
				return -1;
			}
			addattr32(n, 1024, IFLA_BOND_LP_INTERVAL, lp_interval);
		} else if (matches(*argv, "packets_per_slave") == 0) {
			NEXT_ARG();
			if (get_u32(&packets_per_slave, *argv, 0)) {
				invarg("invalid packets_per_slave", *argv);
				return -1;
			}
			addattr32(n, 1024, IFLA_BOND_PACKETS_PER_SLAVE,
				  packets_per_slave);
		} else if (matches(*argv, "lacp_rate") == 0) {
			NEXT_ARG();
			if (get_index(lacp_rate_tbl, *argv) < 0) {
				invarg("invalid lacp_rate", *argv);
				return -1;
			}
			lacp_rate = get_index(lacp_rate_tbl, *argv);
			addattr8(n, 1024, IFLA_BOND_AD_LACP_RATE, lacp_rate);
		} else if (matches(*argv, "ad_select") == 0) {
			NEXT_ARG();
			if (get_index(ad_select_tbl, *argv) < 0) {
				invarg("invalid ad_select", *argv);
				return -1;
			}
			ad_select = get_index(ad_select_tbl, *argv);
			addattr8(n, 1024, IFLA_BOND_AD_SELECT, ad_select);
		} else {
			fprintf(stderr, "bond: unknown command \"%s\"?\n", *argv);
			explain();
			return -1;
		}
		argc--, argv++;
	}

	return 0;
}

static void bond_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
{
	unsigned ifindex;

	if (!tb)
		return;

	if (tb[IFLA_BOND_MODE]) {
		const char *mode = get_name(mode_tbl,
			rta_getattr_u8(tb[IFLA_BOND_MODE]));
		fprintf(f, "mode %s ", mode);
	}

	if (tb[IFLA_BOND_ACTIVE_SLAVE] &&
	    (ifindex = rta_getattr_u32(tb[IFLA_BOND_ACTIVE_SLAVE]))) {
		char buf[IFNAMSIZ];
		const char *n = if_indextoname(ifindex, buf);

		if (n)
			fprintf(f, "active_slave %s ", n);
		else
			fprintf(f, "active_slave %u ", ifindex);
	}

	if (tb[IFLA_BOND_MIIMON])
		fprintf(f, "miimon %u ", rta_getattr_u32(tb[IFLA_BOND_MIIMON]));

	if (tb[IFLA_BOND_UPDELAY])
		fprintf(f, "updelay %u ", rta_getattr_u32(tb[IFLA_BOND_UPDELAY]));

	if (tb[IFLA_BOND_DOWNDELAY])
		fprintf(f, "downdelay %u ",
			rta_getattr_u32(tb[IFLA_BOND_DOWNDELAY]));

	if (tb[IFLA_BOND_USE_CARRIER])
		fprintf(f, "use_carrier %u ",
			rta_getattr_u8(tb[IFLA_BOND_USE_CARRIER]));

	if (tb[IFLA_BOND_ARP_INTERVAL])
		fprintf(f, "arp_interval %u ",
			rta_getattr_u32(tb[IFLA_BOND_ARP_INTERVAL]));

	if (tb[IFLA_BOND_ARP_IP_TARGET]) {
		struct rtattr *iptb[BOND_MAX_ARP_TARGETS + 1];
		char buf[INET_ADDRSTRLEN];
		int i;

		parse_rtattr_nested(iptb, BOND_MAX_ARP_TARGETS,
			tb[IFLA_BOND_ARP_IP_TARGET]);

		if (iptb[0])
			fprintf(f, "arp_ip_target ");

		for (i = 0; i < BOND_MAX_ARP_TARGETS; i++) {
			if (iptb[i])
				fprintf(f, "%s",
					rt_addr_n2a(AF_INET,
						    RTA_DATA(iptb[i]),
						    buf,
						    INET_ADDRSTRLEN));
			if (i < BOND_MAX_ARP_TARGETS-1 && iptb[i+1])
				fprintf(f, ",");
		}

		if (iptb[0])
			fprintf(f, " ");
	}

	if (tb[IFLA_BOND_ARP_VALIDATE]) {
		const char *arp_validate = get_name(arp_validate_tbl,
			rta_getattr_u32(tb[IFLA_BOND_ARP_VALIDATE]));
		fprintf(f, "arp_validate %s ", arp_validate);
	}

	if (tb[IFLA_BOND_ARP_ALL_TARGETS]) {
		const char *arp_all_targets = get_name(arp_all_targets_tbl,
			rta_getattr_u32(tb[IFLA_BOND_ARP_ALL_TARGETS]));
		fprintf(f, "arp_all_targets %s ", arp_all_targets);
	}

	if (tb[IFLA_BOND_PRIMARY] &&
	    (ifindex = rta_getattr_u32(tb[IFLA_BOND_PRIMARY]))) {
		char buf[IFNAMSIZ];
		const char *n = if_indextoname(ifindex, buf);

		if (n)
			fprintf(f, "primary %s ", n);
		else
			fprintf(f, "primary %u ", ifindex);
	}

	if (tb[IFLA_BOND_PRIMARY_RESELECT]) {
		const char *primary_reselect = get_name(primary_reselect_tbl,
			rta_getattr_u8(tb[IFLA_BOND_PRIMARY_RESELECT]));
		fprintf(f, "primary_reselect %s ", primary_reselect);
	}

	if (tb[IFLA_BOND_FAIL_OVER_MAC]) {
		const char *fail_over_mac = get_name(fail_over_mac_tbl,
			rta_getattr_u8(tb[IFLA_BOND_FAIL_OVER_MAC]));
		fprintf(f, "fail_over_mac %s ", fail_over_mac);
	}

	if (tb[IFLA_BOND_XMIT_HASH_POLICY]) {
		const char *xmit_hash_policy = get_name(xmit_hash_policy_tbl,
			rta_getattr_u8(tb[IFLA_BOND_XMIT_HASH_POLICY]));
		fprintf(f, "xmit_hash_policy %s ", xmit_hash_policy);
	}

	if (tb[IFLA_BOND_RESEND_IGMP])
		fprintf(f, "resend_igmp %u ",
			rta_getattr_u32(tb[IFLA_BOND_RESEND_IGMP]));

	if (tb[IFLA_BOND_NUM_PEER_NOTIF])
		fprintf(f, "num_grat_arp %u ",
			rta_getattr_u8(tb[IFLA_BOND_NUM_PEER_NOTIF]));

	if (tb[IFLA_BOND_ALL_SLAVES_ACTIVE])
		fprintf(f, "all_slaves_active %u ",
			rta_getattr_u8(tb[IFLA_BOND_ALL_SLAVES_ACTIVE]));

	if (tb[IFLA_BOND_MIN_LINKS])
		fprintf(f, "min_links %u ",
			rta_getattr_u32(tb[IFLA_BOND_MIN_LINKS]));

	if (tb[IFLA_BOND_LP_INTERVAL])
		fprintf(f, "lp_interval %u ",
			rta_getattr_u32(tb[IFLA_BOND_LP_INTERVAL]));

	if (tb[IFLA_BOND_PACKETS_PER_SLAVE])
		fprintf(f, "packets_per_slave %u ",
			rta_getattr_u32(tb[IFLA_BOND_PACKETS_PER_SLAVE]));

	if (tb[IFLA_BOND_AD_LACP_RATE]) {
		const char *lacp_rate = get_name(lacp_rate_tbl,
			rta_getattr_u8(tb[IFLA_BOND_AD_LACP_RATE]));
		fprintf(f, "lacp_rate %s ", lacp_rate);
	}

	if (tb[IFLA_BOND_AD_SELECT]) {
		const char *ad_select = get_name(ad_select_tbl,
			rta_getattr_u8(tb[IFLA_BOND_AD_SELECT]));
		fprintf(f, "ad_select %s ", ad_select);
	}

	if (tb[IFLA_BOND_AD_INFO]) {
		struct rtattr *adtb[IFLA_BOND_AD_INFO_MAX + 1];

		parse_rtattr_nested(adtb, IFLA_BOND_AD_INFO_MAX,
			tb[IFLA_BOND_AD_INFO]);

		if (adtb[IFLA_BOND_AD_INFO_AGGREGATOR])
			fprintf(f, "ad_aggregator %d ",
			  rta_getattr_u16(adtb[IFLA_BOND_AD_INFO_AGGREGATOR]));

		if (adtb[IFLA_BOND_AD_INFO_NUM_PORTS])
			fprintf(f, "ad_num_ports %d ",
			  rta_getattr_u16(adtb[IFLA_BOND_AD_INFO_NUM_PORTS]));

		if (adtb[IFLA_BOND_AD_INFO_ACTOR_KEY])
			fprintf(f, "ad_actor_key %d ",
			  rta_getattr_u16(adtb[IFLA_BOND_AD_INFO_ACTOR_KEY]));

		if (adtb[IFLA_BOND_AD_INFO_PARTNER_KEY])
			fprintf(f, "ad_partner_key %d ",
			  rta_getattr_u16(adtb[IFLA_BOND_AD_INFO_PARTNER_KEY]));

		if (adtb[IFLA_BOND_AD_INFO_PARTNER_MAC]) {
			unsigned char *p =
				RTA_DATA(adtb[IFLA_BOND_AD_INFO_PARTNER_MAC]);
			SPRINT_BUF(b);
			fprintf(f, "ad_partner_mac %s ",
				ll_addr_n2a(p, ETH_ALEN, 0, b, sizeof(b)));
		}
	}
}

struct link_util bond_link_util = {
	.id		= "bond",
	.maxattr	= IFLA_BOND_MAX,
	.parse_opt	= bond_parse_opt,
	.print_opt	= bond_print_opt,
};
Commit	Line	Data
cc26a890 JP	1	/*
	2	* iplink_bond.c Bonding 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>
63d127b0	10	* Scott Feldman <sfeldma@cumulusnetworks.com>
cc26a890 JP	11	*/
	12
	13	#include <stdio.h>
	14	#include <stdlib.h>
	15	#include <string.h>
	16	#include <linux/if_link.h>
63d127b0	17	#include <linux/if_ether.h>
cc26a890 JP	18	#include <net/if.h>
	19
	20	#include "rt_names.h"
	21	#include "utils.h"
	22	#include "ip_common.h"
	23
63d127b0	24	#define BOND_MAX_ARP_TARGETS 16
	25
	26	static const char *mode_tbl[] = {
	27	"balance-rr",
	28	"active-backup",
	29	"balance-xor",
	30	"broadcast",
	31	"802.3ad",
	32	"balance-tlb",
	33	"balance-alb",
	34	NULL,
	35	};
	36
	37	static const char *arp_validate_tbl[] = {
	38	"none",
	39	"active",
	40	"backup",
	41	"all",
	42	NULL,
	43	};
	44
	45	static const char *arp_all_targets_tbl[] = {
	46	"any",
	47	"all",
	48	NULL,
	49	};
	50
	51	static const char *primary_reselect_tbl[] = {
	52	"always",
	53	"better",
	54	"failure",
	55	NULL,
	56	};
	57
	58	static const char *fail_over_mac_tbl[] = {
	59	"none",
	60	"active",
	61	"follow",
	62	NULL,
	63	};
	64
	65	static const char *xmit_hash_policy_tbl[] = {
	66	"layer2",
	67	"layer3+4",
	68	"layer2+3",
	69	"encap2+3",
	70	"encap3+4",
	71	NULL,
	72	};
	73
	74	static const char *lacp_rate_tbl[] = {
	75	"slow",
	76	"fast",
	77	NULL,
	78	};
	79
	80	static const char *ad_select_tbl[] = {
	81	"stable",
	82	"bandwidth",
	83	"count",
	84	NULL,
	85	};
	86
	87	static const char get_name(const char *tbl, int index)
88	{
89	int i;
90
91	for (i = 0; tbl[i]; i++)
92	if (i == index)
93	return tbl[i];
94
95	return "UNKNOWN";
96	}
97
98	static int get_index(const char *tbl, char name)
99	{
100	int i, index;
101
102	/* check for integer index passed in instead of name */
103	if (get_integer(&index, name, 10) == 0)
104	for (i = 0; tbl[i]; i++)
105	if (i == index)
106	return i;
107
108	for (i = 0; tbl[i]; i++)
f7a45e09	109	if (strcmp(tbl[i], name) == 0)
63d127b0	110	return i;
	111
	112	return -1;
	113	}
	114
cc26a890 JP	115	static void explain(void)
	116	{
	117	fprintf(stderr,
	118	"Usage: ... bond [ mode BONDMODE ] [ active_slave SLAVE_DEV ]\n"
63d127b0	119	" [ clear_active_slave ] [ miimon MIIMON ]\n"
	120	" [ updelay UPDELAY ] [ downdelay DOWNDELAY ]\n"
	121	" [ use_carrier USE_CARRIER ]\n"
	122	" [ arp_interval ARP_INTERVAL ]\n"
	123	" [ arp_validate ARP_VALIDATE ]\n"
	124	" [ arp_all_targets ARP_ALL_TARGETS ]\n"
	125	" [ arp_ip_target [ ARP_IP_TARGET, ... ] ]\n"
	126	" [ primary SLAVE_DEV ]\n"
	127	" [ primary_reselect PRIMARY_RESELECT ]\n"
	128	" [ fail_over_mac FAIL_OVER_MAC ]\n"
	129	" [ xmit_hash_policy XMIT_HASH_POLICY ]\n"
	130	" [ resend_igmp RESEND_IGMP ]\n"
	131	" [ num_grat_arp\|num_unsol_na NUM_GRAT_ARP\|NUM_UNSOL_NA ]\n"
	132	" [ all_slaves_active ALL_SLAVES_ACTIVE ]\n"
	133	" [ min_links MIN_LINKS ]\n"
	134	" [ lp_interval LP_INTERVAL ]\n"
	135	" [ packets_per_slave PACKETS_PER_SLAVE ]\n"
	136	" [ lacp_rate LACP_RATE ]\n"
	137	" [ ad_select AD_SELECT ]\n"
cc26a890	138	"\n"
63d127b0	139	"BONDMODE := balance-rr\|active-backup\|balance-xor\|broadcast\|802.3ad\|balance-tlb\|balance-alb\n"
	140	"ARP_VALIDATE := none\|active\|backup\|all\n"
	141	"ARP_ALL_TARGETS := any\|all\n"
	142	"PRIMARY_RESELECT := always\|better\|failure\n"
	143	"FAIL_OVER_MAC := none\|active\|follow\n"
	144	"XMIT_HASH_POLICY := layer2\|layer2+3\|layer3+4\n"
	145	"LACP_RATE := slow\|fast\n"
	146	"AD_SELECT := stable\|bandwidth\|count\n"
cc26a890 JP	147	);
	148	}
	149
	150	static int bond_parse_opt(struct link_util lu, int argc, char *argv,
	151	struct nlmsghdr *n)
	152	{
63d127b0	153	__u8 mode, use_carrier, primary_reselect, fail_over_mac;
	154	__u8 xmit_hash_policy, num_peer_notif, all_slaves_active;
	155	__u8 lacp_rate, ad_select;
	156	__u32 miimon, updelay, downdelay, arp_interval, arp_validate;
	157	__u32 arp_all_targets, resend_igmp, min_links, lp_interval;
	158	__u32 packets_per_slave;
cc26a890 JP	159	unsigned ifindex;
	160
	161	while (argc > 0) {
	162	if (matches(*argv, "mode") == 0) {
	163	NEXT_ARG();
63d127b0	164	if (get_index(mode_tbl, *argv) < 0) {
63d127b0	165	invarg("invalid mode", *argv);
cc26a890 JP	166	return -1;
cc26a890 JP	167	}
63d127b0	168	mode = get_index(mode_tbl, *argv);
cc26a890 JP	169	addattr8(n, 1024, IFLA_BOND_MODE, mode);
	170	} else if (matches(*argv, "active_slave") == 0) {
	171	NEXT_ARG();
	172	ifindex = if_nametoindex(*argv);
	173	if (!ifindex)
	174	return -1;
	175	addattr32(n, 1024, IFLA_BOND_ACTIVE_SLAVE, ifindex);
	176	} else if (matches(*argv, "clear_active_slave") == 0) {
	177	addattr32(n, 1024, IFLA_BOND_ACTIVE_SLAVE, 0);
63d127b0	178	} else if (matches(*argv, "miimon") == 0) {
	179	NEXT_ARG();
	180	if (get_u32(&miimon, *argv, 0)) {
	181	invarg("invalid miimon", *argv);
	182	return -1;
	183	}
	184	addattr32(n, 1024, IFLA_BOND_MIIMON, miimon);
	185	} else if (matches(*argv, "updelay") == 0) {
	186	NEXT_ARG();
	187	if (get_u32(&updelay, *argv, 0)) {
	188	invarg("invalid updelay", *argv);
	189	return -1;
	190	}
	191	addattr32(n, 1024, IFLA_BOND_UPDELAY, updelay);
	192	} else if (matches(*argv, "downdelay") == 0) {
	193	NEXT_ARG();
	194	if (get_u32(&downdelay, *argv, 0)) {
	195	invarg("invalid downdelay", *argv);
	196	return -1;
	197	}
	198	addattr32(n, 1024, IFLA_BOND_DOWNDELAY, downdelay);
	199	} else if (matches(*argv, "use_carrier") == 0) {
	200	NEXT_ARG();
	201	if (get_u8(&use_carrier, *argv, 0)) {
	202	invarg("invalid use_carrier", *argv);
	203	return -1;
	204	}
	205	addattr8(n, 1024, IFLA_BOND_USE_CARRIER, use_carrier);
	206	} else if (matches(*argv, "arp_interval") == 0) {
	207	NEXT_ARG();
	208	if (get_u32(&arp_interval, *argv, 0)) {
	209	invarg("invalid arp_interval", *argv);
	210	return -1;
	211	}
	212	addattr32(n, 1024, IFLA_BOND_ARP_INTERVAL, arp_interval);
	213	} else if (matches(*argv, "arp_ip_target") == 0) {
	214	struct rtattr * nest = addattr_nest(n, 1024,
	215	IFLA_BOND_ARP_IP_TARGET);
	216	if (NEXT_ARG_OK()) {
	217	NEXT_ARG();
	218	char targets = strdupa(argv);
	219	char *target = strtok(targets, ",");
	220	int i;
	221
	222	for(i = 0; target && i < BOND_MAX_ARP_TARGETS; i++) {
	223	__u32 addr = get_addr32(target);
	224	addattr32(n, 1024, i, addr);
	225	target = strtok(NULL, ",");
	226	}
	227	addattr_nest_end(n, nest);
	228	}
	229	addattr_nest_end(n, nest);
	230	} else if (matches(*argv, "arp_validate") == 0) {
	231	NEXT_ARG();
	232	if (get_index(arp_validate_tbl, *argv) < 0) {
	233	invarg("invalid arp_validate", *argv);
	234	return -1;
	235	}
	236	arp_validate = get_index(arp_validate_tbl, *argv);
	237	addattr32(n, 1024, IFLA_BOND_ARP_VALIDATE, arp_validate);
	238	} else if (matches(*argv, "arp_all_targets") == 0) {
	239	NEXT_ARG();
	240	if (get_index(arp_all_targets_tbl, *argv) < 0) {
	241	invarg("invalid arp_all_targets", *argv);
242	return -1;
243	}
244	arp_all_targets = get_index(arp_all_targets_tbl, *argv);
245	addattr32(n, 1024, IFLA_BOND_ARP_ALL_TARGETS, arp_all_targets);
246	} else if (matches(*argv, "primary") == 0) {
247	NEXT_ARG();
248	ifindex = if_nametoindex(*argv);
249	if (!ifindex)
250	return -1;
251	addattr32(n, 1024, IFLA_BOND_PRIMARY, ifindex);
252	} else if (matches(*argv, "primary_reselect") == 0) {
253	NEXT_ARG();
254	if (get_index(primary_reselect_tbl, *argv) < 0) {
255	invarg("invalid primary_reselect", *argv);
256	return -1;
257	}
258	primary_reselect = get_index(primary_reselect_tbl, *argv);
259	addattr8(n, 1024, IFLA_BOND_PRIMARY_RESELECT,
260	primary_reselect);
261	} else if (matches(*argv, "fail_over_mac") == 0) {
262	NEXT_ARG();
263	if (get_index(fail_over_mac_tbl, *argv) < 0) {
264	invarg("invalid fail_over_mac", *argv);
265	return -1;
266	}
267	fail_over_mac = get_index(fail_over_mac_tbl, *argv);
268	addattr8(n, 1024, IFLA_BOND_FAIL_OVER_MAC,
269	fail_over_mac);
270	} else if (matches(*argv, "xmit_hash_policy") == 0) {
271	NEXT_ARG();
272	if (get_index(xmit_hash_policy_tbl, *argv) < 0) {
273	invarg("invalid xmit_hash_policy", *argv);
274	return -1;
275	}
276	xmit_hash_policy = get_index(xmit_hash_policy_tbl, *argv);
277	addattr8(n, 1024, IFLA_BOND_XMIT_HASH_POLICY,
278	xmit_hash_policy);
279	} else if (matches(*argv, "resend_igmp") == 0) {
280	NEXT_ARG();
281	if (get_u32(&resend_igmp, *argv, 0)) {
282	invarg("invalid resend_igmp", *argv);
283	return -1;
284	}
285	addattr32(n, 1024, IFLA_BOND_RESEND_IGMP, resend_igmp);
286	} else if (matches(*argv, "num_grat_arp") == 0 \|\|
287	matches(*argv, "num_unsol_na") == 0) {
288	NEXT_ARG();
289	if (get_u8(&num_peer_notif, *argv, 0)) {
290	invarg("invalid num_grat_arp\|num_unsol_na",
291	*argv);
292	return -1;
293	}
294	addattr8(n, 1024, IFLA_BOND_NUM_PEER_NOTIF,
295	num_peer_notif);
296	} else if (matches(*argv, "all_slaves_active") == 0) {
297	NEXT_ARG();
298	if (get_u8(&all_slaves_active, *argv, 0)) {
299	invarg("invalid all_slaves_active", *argv);
300	return -1;
301	}
302	addattr8(n, 1024, IFLA_BOND_ALL_SLAVES_ACTIVE,
303	all_slaves_active);
304	} else if (matches(*argv, "min_links") == 0) {
305	NEXT_ARG();
306	if (get_u32(&min_links, *argv, 0)) {
307	invarg("invalid min_links", *argv);
308	return -1;
309	}
310	addattr32(n, 1024, IFLA_BOND_MIN_LINKS, min_links);
311	} else if (matches(*argv, "lp_interval") == 0) {
312	NEXT_ARG();
313	if (get_u32(&lp_interval, *argv, 0)) {
314	invarg("invalid lp_interval", *argv);
315	return -1;
316	}
317	addattr32(n, 1024, IFLA_BOND_LP_INTERVAL, lp_interval);
318	} else if (matches(*argv, "packets_per_slave") == 0) {
319	NEXT_ARG();
320	if (get_u32(&packets_per_slave, *argv, 0)) {
321	invarg("invalid packets_per_slave", *argv);
322	return -1;
323	}
324	addattr32(n, 1024, IFLA_BOND_PACKETS_PER_SLAVE,
325	packets_per_slave);
326	} else if (matches(*argv, "lacp_rate") == 0) {
327	NEXT_ARG();
328	if (get_index(lacp_rate_tbl, *argv) < 0) {
329	invarg("invalid lacp_rate", *argv);
330	return -1;
331	}
332	lacp_rate = get_index(lacp_rate_tbl, *argv);
333	addattr8(n, 1024, IFLA_BOND_AD_LACP_RATE, lacp_rate);
334	} else if (matches(*argv, "ad_select") == 0) {
335	NEXT_ARG();
336	if (get_index(ad_select_tbl, *argv) < 0) {
337	invarg("invalid ad_select", *argv);
338	return -1;
339	}
340	ad_select = get_index(ad_select_tbl, *argv);
341	addattr8(n, 1024, IFLA_BOND_AD_SELECT, ad_select);
cc26a890 JP	342	} else {
	343	fprintf(stderr, "bond: unknown command \"%s\"?\n", *argv);
	344	explain();
	345	return -1;
	346	}
	347	argc--, argv++;
	348	}
	349
	350	return 0;
	351	}
	352
	353	static void bond_print_opt(struct link_util lu, FILE f, struct rtattr *tb[])
	354	{
	355	unsigned ifindex;
	356
	357	if (!tb)
	358	return;
	359
63d127b0	360	if (tb[IFLA_BOND_MODE]) {
	361	const char *mode = get_name(mode_tbl,
	362	rta_getattr_u8(tb[IFLA_BOND_MODE]));
	363	fprintf(f, "mode %s ", mode);
	364	}
cc26a890 JP	365
	366	if (tb[IFLA_BOND_ACTIVE_SLAVE] &&
	367	(ifindex = rta_getattr_u32(tb[IFLA_BOND_ACTIVE_SLAVE]))) {
	368	char buf[IFNAMSIZ];
	369	const char *n = if_indextoname(ifindex, buf);
	370
	371	if (n)
	372	fprintf(f, "active_slave %s ", n);
	373	else
	374	fprintf(f, "active_slave %u ", ifindex);
	375	}
63d127b0	376
	377	if (tb[IFLA_BOND_MIIMON])
	378	fprintf(f, "miimon %u ", rta_getattr_u32(tb[IFLA_BOND_MIIMON]));
	379
	380	if (tb[IFLA_BOND_UPDELAY])
	381	fprintf(f, "updelay %u ", rta_getattr_u32(tb[IFLA_BOND_UPDELAY]));
	382
	383	if (tb[IFLA_BOND_DOWNDELAY])
	384	fprintf(f, "downdelay %u ",
	385	rta_getattr_u32(tb[IFLA_BOND_DOWNDELAY]));
	386
	387	if (tb[IFLA_BOND_USE_CARRIER])
	388	fprintf(f, "use_carrier %u ",
	389	rta_getattr_u8(tb[IFLA_BOND_USE_CARRIER]));
	390
	391	if (tb[IFLA_BOND_ARP_INTERVAL])
	392	fprintf(f, "arp_interval %u ",
	393	rta_getattr_u32(tb[IFLA_BOND_ARP_INTERVAL]));
	394
	395	if (tb[IFLA_BOND_ARP_IP_TARGET]) {
	396	struct rtattr *iptb[BOND_MAX_ARP_TARGETS + 1];
	397	char buf[INET_ADDRSTRLEN];
	398	int i;
	399
	400	parse_rtattr_nested(iptb, BOND_MAX_ARP_TARGETS,
	401	tb[IFLA_BOND_ARP_IP_TARGET]);
	402
	403	if (iptb[0])
	404	fprintf(f, "arp_ip_target ");
	405
	406	for (i = 0; i < BOND_MAX_ARP_TARGETS; i++) {
	407	if (iptb[i])
	408	fprintf(f, "%s",
	409	rt_addr_n2a(AF_INET,
63d127b0	410	RTA_DATA(iptb[i]),
	411	buf,
	412	INET_ADDRSTRLEN));
	413	if (i < BOND_MAX_ARP_TARGETS-1 && iptb[i+1])
	414	fprintf(f, ",");
	415	}
	416
	417	if (iptb[0])
	418	fprintf(f, " ");
	419	}
	420
	421	if (tb[IFLA_BOND_ARP_VALIDATE]) {
	422	const char *arp_validate = get_name(arp_validate_tbl,
	423	rta_getattr_u32(tb[IFLA_BOND_ARP_VALIDATE]));
	424	fprintf(f, "arp_validate %s ", arp_validate);
	425	}
	426
	427	if (tb[IFLA_BOND_ARP_ALL_TARGETS]) {
	428	const char *arp_all_targets = get_name(arp_all_targets_tbl,
	429	rta_getattr_u32(tb[IFLA_BOND_ARP_ALL_TARGETS]));
32ad31fb	430	fprintf(f, "arp_all_targets %s ", arp_all_targets);
63d127b0	431	}
	432
	433	if (tb[IFLA_BOND_PRIMARY] &&
	434	(ifindex = rta_getattr_u32(tb[IFLA_BOND_PRIMARY]))) {
	435	char buf[IFNAMSIZ];
	436	const char *n = if_indextoname(ifindex, buf);
	437
	438	if (n)
	439	fprintf(f, "primary %s ", n);
	440	else
	441	fprintf(f, "primary %u ", ifindex);
	442	}
	443
	444	if (tb[IFLA_BOND_PRIMARY_RESELECT]) {
	445	const char *primary_reselect = get_name(primary_reselect_tbl,
	446	rta_getattr_u8(tb[IFLA_BOND_PRIMARY_RESELECT]));
	447	fprintf(f, "primary_reselect %s ", primary_reselect);
	448	}
	449
	450	if (tb[IFLA_BOND_FAIL_OVER_MAC]) {
	451	const char *fail_over_mac = get_name(fail_over_mac_tbl,
	452	rta_getattr_u8(tb[IFLA_BOND_FAIL_OVER_MAC]));
	453	fprintf(f, "fail_over_mac %s ", fail_over_mac);
	454	}
	455
	456	if (tb[IFLA_BOND_XMIT_HASH_POLICY]) {
	457	const char *xmit_hash_policy = get_name(xmit_hash_policy_tbl,
	458	rta_getattr_u8(tb[IFLA_BOND_XMIT_HASH_POLICY]));
	459	fprintf(f, "xmit_hash_policy %s ", xmit_hash_policy);
	460	}
	461
	462	if (tb[IFLA_BOND_RESEND_IGMP])
	463	fprintf(f, "resend_igmp %u ",
	464	rta_getattr_u32(tb[IFLA_BOND_RESEND_IGMP]));
	465
	466	if (tb[IFLA_BOND_NUM_PEER_NOTIF])
	467	fprintf(f, "num_grat_arp %u ",
	468	rta_getattr_u8(tb[IFLA_BOND_NUM_PEER_NOTIF]));
	469
	470	if (tb[IFLA_BOND_ALL_SLAVES_ACTIVE])
	471	fprintf(f, "all_slaves_active %u ",
	472	rta_getattr_u8(tb[IFLA_BOND_ALL_SLAVES_ACTIVE]));
	473
	474	if (tb[IFLA_BOND_MIN_LINKS])
	475	fprintf(f, "min_links %u ",
	476	rta_getattr_u32(tb[IFLA_BOND_MIN_LINKS]));
	477
	478	if (tb[IFLA_BOND_LP_INTERVAL])
	479	fprintf(f, "lp_interval %u ",
	480	rta_getattr_u32(tb[IFLA_BOND_LP_INTERVAL]));
	481
	482	if (tb[IFLA_BOND_PACKETS_PER_SLAVE])
	483	fprintf(f, "packets_per_slave %u ",
	484	rta_getattr_u32(tb[IFLA_BOND_PACKETS_PER_SLAVE]));
	485
	486	if (tb[IFLA_BOND_AD_LACP_RATE]) {
	487	const char *lacp_rate = get_name(lacp_rate_tbl,
	488	rta_getattr_u8(tb[IFLA_BOND_AD_LACP_RATE]));
	489	fprintf(f, "lacp_rate %s ", lacp_rate);
	490	}
	491
	492	if (tb[IFLA_BOND_AD_SELECT]) {
	493	const char *ad_select = get_name(ad_select_tbl,
	494	rta_getattr_u8(tb[IFLA_BOND_AD_SELECT]));
495	fprintf(f, "ad_select %s ", ad_select);
496	}
497
498	if (tb[IFLA_BOND_AD_INFO]) {
499	struct rtattr *adtb[IFLA_BOND_AD_INFO_MAX + 1];
500
501	parse_rtattr_nested(adtb, IFLA_BOND_AD_INFO_MAX,
502	tb[IFLA_BOND_AD_INFO]);
503
504	if (adtb[IFLA_BOND_AD_INFO_AGGREGATOR])
505	fprintf(f, "ad_aggregator %d ",
506	rta_getattr_u16(adtb[IFLA_BOND_AD_INFO_AGGREGATOR]));
507
508	if (adtb[IFLA_BOND_AD_INFO_NUM_PORTS])
509	fprintf(f, "ad_num_ports %d ",
510	rta_getattr_u16(adtb[IFLA_BOND_AD_INFO_NUM_PORTS]));
511
512	if (adtb[IFLA_BOND_AD_INFO_ACTOR_KEY])
513	fprintf(f, "ad_actor_key %d ",
514	rta_getattr_u16(adtb[IFLA_BOND_AD_INFO_ACTOR_KEY]));
515
516	if (adtb[IFLA_BOND_AD_INFO_PARTNER_KEY])
517	fprintf(f, "ad_partner_key %d ",
518	rta_getattr_u16(adtb[IFLA_BOND_AD_INFO_PARTNER_KEY]));
519
520	if (adtb[IFLA_BOND_AD_INFO_PARTNER_MAC]) {
521	unsigned char *p =
522	RTA_DATA(adtb[IFLA_BOND_AD_INFO_PARTNER_MAC]);
523	SPRINT_BUF(b);
524	fprintf(f, "ad_partner_mac %s ",
525	ll_addr_n2a(p, ETH_ALEN, 0, b, sizeof(b)));
526	}
527	}
cc26a890 JP	528	}
	529
	530	struct link_util bond_link_util = {
	531	.id = "bond",
	532	.maxattr = IFLA_BOND_MAX,
	533	.parse_opt = bond_parse_opt,
	534	.print_opt = bond_print_opt,
	535	};