[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 print_explain(FILE *f)
{
	fprintf(f,
		"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"
		"		 [ tlb_dynamic_lb TLB_DYNAMIC_LB ]\n"
		"                [ lacp_rate LACP_RATE ]\n"
		"                [ ad_select AD_SELECT ]\n"
		"                [ ad_user_port_key PORTKEY ]\n"
		"                [ ad_actor_sys_prio SYSPRIO ]\n"
		"                [ ad_actor_system LLADDR ]\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|encap2+3|encap3+4\n"
		"LACP_RATE := slow|fast\n"
		"AD_SELECT := stable|bandwidth|count\n"
	);
}

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

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, tlb_dynamic_lb;
	__u16 ad_user_port_key, ad_actor_sys_prio;
	__u32 miimon, updelay, downdelay, arp_interval, arp_validate;
	__u32 arp_all_targets, resend_igmp, min_links, lp_interval;
	__u32 packets_per_slave;
	unsigned int ifindex;

	while (argc > 0) {
		if (matches(*argv, "mode") == 0) {
			NEXT_ARG();
			if (get_index(mode_tbl, *argv) < 0)
				invarg("invalid mode", *argv);
			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);
			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);
			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);
			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);
			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);
			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);
			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);
			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);
			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);
			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);

			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);

			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);

			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);

			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);

			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);

			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);

			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);

			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);

			ad_select = get_index(ad_select_tbl, *argv);
			addattr8(n, 1024, IFLA_BOND_AD_SELECT, ad_select);
		} else if (matches(*argv, "ad_user_port_key") == 0) {
			NEXT_ARG();
			if (get_u16(&ad_user_port_key, *argv, 0))
				invarg("invalid ad_user_port_key", *argv);

			addattr16(n, 1024, IFLA_BOND_AD_USER_PORT_KEY,
				  ad_user_port_key);
		} else if (matches(*argv, "ad_actor_sys_prio") == 0) {
			NEXT_ARG();
			if (get_u16(&ad_actor_sys_prio, *argv, 0))
				invarg("invalid ad_actor_sys_prio", *argv);

			addattr16(n, 1024, IFLA_BOND_AD_ACTOR_SYS_PRIO,
				  ad_actor_sys_prio);
		} else if (matches(*argv, "ad_actor_system") == 0) {
			int len;
			char abuf[32];

			NEXT_ARG();
			len = ll_addr_a2n(abuf, sizeof(abuf), *argv);
			if (len < 0)
				return -1;
			addattr_l(n, 1024, IFLA_BOND_AD_ACTOR_SYSTEM,
				  abuf, len);
		} else if (matches(*argv, "tlb_dynamic_lb") == 0) {
			NEXT_ARG();
			if (get_u8(&tlb_dynamic_lb, *argv, 0)) {
				invarg("invalid tlb_dynamic_lb", *argv);
				return -1;
			}
			addattr8(n, 1024, IFLA_BOND_TLB_DYNAMIC_LB,
				 tlb_dynamic_lb);
		} else if (matches(*argv, "help") == 0) {
			explain();
			return -1;
		} 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 int 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_PAYLOAD(iptb[i]),
						    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)));
		}
	}

	if (tb[IFLA_BOND_AD_ACTOR_SYS_PRIO]) {
		fprintf(f, "ad_actor_sys_prio %u ",
			rta_getattr_u16(tb[IFLA_BOND_AD_ACTOR_SYS_PRIO]));
	}

	if (tb[IFLA_BOND_AD_USER_PORT_KEY]) {
		fprintf(f, "ad_user_port_key %u ",
			rta_getattr_u16(tb[IFLA_BOND_AD_USER_PORT_KEY]));
	}

	if (tb[IFLA_BOND_AD_ACTOR_SYSTEM]) {
		/* We assume the l2 address is an Ethernet MAC address */
		SPRINT_BUF(b1);
		fprintf(f, "ad_actor_system %s ",
			ll_addr_n2a(RTA_DATA(tb[IFLA_BOND_AD_ACTOR_SYSTEM]),
				    RTA_PAYLOAD(tb[IFLA_BOND_AD_ACTOR_SYSTEM]),
				    1 /*ARPHDR_ETHER*/, b1, sizeof(b1)));
	}

	if (tb[IFLA_BOND_TLB_DYNAMIC_LB]) {
		fprintf(f, "tlb_dynamic_lb %u ",
			rta_getattr_u8(tb[IFLA_BOND_TLB_DYNAMIC_LB]));
	}
}

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

struct link_util bond_link_util = {
	.id		= "bond",
	.maxattr	= IFLA_BOND_MAX,
	.parse_opt	= bond_parse_opt,
	.print_opt	= bond_print_opt,
	.print_help	= bond_print_help,
};
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
561e650e	115	static void print_explain(FILE *f)
cc26a890	116	{
561e650e	117	fprintf(f,
cc26a890	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"
d02e4662	136	" [ tlb_dynamic_lb TLB_DYNAMIC_LB ]\n"
63d127b0	137	" [ lacp_rate LACP_RATE ]\n"
63d127b0	138	" [ ad_select AD_SELECT ]\n"
6fc1f8ad JT	139	" [ ad_user_port_key PORTKEY ]\n"
	140	" [ ad_actor_sys_prio SYSPRIO ]\n"
	141	" [ ad_actor_system LLADDR ]\n"
cc26a890	142	"\n"
63d127b0	143	"BONDMODE := balance-rr\|active-backup\|balance-xor\|broadcast\|802.3ad\|balance-tlb\|balance-alb\n"
	144	"ARP_VALIDATE := none\|active\|backup\|all\n"
	145	"ARP_ALL_TARGETS := any\|all\n"
	146	"PRIMARY_RESELECT := always\|better\|failure\n"
	147	"FAIL_OVER_MAC := none\|active\|follow\n"
a1978834	148	"XMIT_HASH_POLICY := layer2\|layer2+3\|layer3+4\|encap2+3\|encap3+4\n"
63d127b0	149	"LACP_RATE := slow\|fast\n"
63d127b0	150	"AD_SELECT := stable\|bandwidth\|count\n"
cc26a890 JP	151	);
	152	}
	153
561e650e	154	static void explain(void)
	155	{
	156	print_explain(stderr);
	157	}
	158
cc26a890 JP	159	static int bond_parse_opt(struct link_util lu, int argc, char *argv,
	160	struct nlmsghdr *n)
	161	{
63d127b0	162	__u8 mode, use_carrier, primary_reselect, fail_over_mac;
63d127b0	163	__u8 xmit_hash_policy, num_peer_notif, all_slaves_active;
d02e4662	164	__u8 lacp_rate, ad_select, tlb_dynamic_lb;
6fc1f8ad	165	__u16 ad_user_port_key, ad_actor_sys_prio;
63d127b0	166	__u32 miimon, updelay, downdelay, arp_interval, arp_validate;
	167	__u32 arp_all_targets, resend_igmp, min_links, lp_interval;
	168	__u32 packets_per_slave;
56f5daac	169	unsigned int ifindex;
cc26a890 JP	170
	171	while (argc > 0) {
	172	if (matches(*argv, "mode") == 0) {
	173	NEXT_ARG();
e0f229fb	174	if (get_index(mode_tbl, *argv) < 0)
63d127b0	175	invarg("invalid mode", *argv);
63d127b0	176	mode = get_index(mode_tbl, *argv);
cc26a890 JP	177	addattr8(n, 1024, IFLA_BOND_MODE, mode);
	178	} else if (matches(*argv, "active_slave") == 0) {
	179	NEXT_ARG();
	180	ifindex = if_nametoindex(*argv);
	181	if (!ifindex)
	182	return -1;
	183	addattr32(n, 1024, IFLA_BOND_ACTIVE_SLAVE, ifindex);
	184	} else if (matches(*argv, "clear_active_slave") == 0) {
	185	addattr32(n, 1024, IFLA_BOND_ACTIVE_SLAVE, 0);
63d127b0	186	} else if (matches(*argv, "miimon") == 0) {
63d127b0	187	NEXT_ARG();
e0f229fb	188	if (get_u32(&miimon, *argv, 0))
63d127b0	189	invarg("invalid miimon", *argv);
63d127b0	190	addattr32(n, 1024, IFLA_BOND_MIIMON, miimon);
	191	} else if (matches(*argv, "updelay") == 0) {
	192	NEXT_ARG();
e0f229fb	193	if (get_u32(&updelay, *argv, 0))
63d127b0	194	invarg("invalid updelay", *argv);
63d127b0	195	addattr32(n, 1024, IFLA_BOND_UPDELAY, updelay);
	196	} else if (matches(*argv, "downdelay") == 0) {
	197	NEXT_ARG();
e0f229fb	198	if (get_u32(&downdelay, *argv, 0))
63d127b0	199	invarg("invalid downdelay", *argv);
63d127b0	200	addattr32(n, 1024, IFLA_BOND_DOWNDELAY, downdelay);
	201	} else if (matches(*argv, "use_carrier") == 0) {
	202	NEXT_ARG();
e0f229fb	203	if (get_u8(&use_carrier, *argv, 0))
63d127b0	204	invarg("invalid use_carrier", *argv);
63d127b0	205	addattr8(n, 1024, IFLA_BOND_USE_CARRIER, use_carrier);
	206	} else if (matches(*argv, "arp_interval") == 0) {
	207	NEXT_ARG();
e0f229fb	208	if (get_u32(&arp_interval, *argv, 0))
63d127b0	209	invarg("invalid arp_interval", *argv);
63d127b0	210	addattr32(n, 1024, IFLA_BOND_ARP_INTERVAL, arp_interval);
63d127b0	211	} else if (matches(*argv, "arp_ip_target") == 0) {
56f5daac	212	struct rtattr *nest = addattr_nest(n, 1024,
63d127b0	213	IFLA_BOND_ARP_IP_TARGET);
	214	if (NEXT_ARG_OK()) {
	215	NEXT_ARG();
	216	char targets = strdupa(argv);
	217	char *target = strtok(targets, ",");
	218	int i;
	219
56f5daac	220	for (i = 0; target && i < BOND_MAX_ARP_TARGETS; i++) {
63d127b0	221	__u32 addr = get_addr32(target);
56f5daac	222
63d127b0	223	addattr32(n, 1024, i, addr);
	224	target = strtok(NULL, ",");
	225	}
	226	addattr_nest_end(n, nest);
	227	}
	228	addattr_nest_end(n, nest);
	229	} else if (matches(*argv, "arp_validate") == 0) {
	230	NEXT_ARG();
e0f229fb	231	if (get_index(arp_validate_tbl, *argv) < 0)
63d127b0	232	invarg("invalid arp_validate", *argv);
63d127b0	233	arp_validate = get_index(arp_validate_tbl, *argv);
	234	addattr32(n, 1024, IFLA_BOND_ARP_VALIDATE, arp_validate);
	235	} else if (matches(*argv, "arp_all_targets") == 0) {
	236	NEXT_ARG();
e0f229fb	237	if (get_index(arp_all_targets_tbl, *argv) < 0)
63d127b0	238	invarg("invalid arp_all_targets", *argv);
63d127b0	239	arp_all_targets = get_index(arp_all_targets_tbl, *argv);
	240	addattr32(n, 1024, IFLA_BOND_ARP_ALL_TARGETS, arp_all_targets);
	241	} else if (matches(*argv, "primary") == 0) {
	242	NEXT_ARG();
	243	ifindex = if_nametoindex(*argv);
	244	if (!ifindex)
	245	return -1;
	246	addattr32(n, 1024, IFLA_BOND_PRIMARY, ifindex);
	247	} else if (matches(*argv, "primary_reselect") == 0) {
	248	NEXT_ARG();
e0f229fb	249	if (get_index(primary_reselect_tbl, *argv) < 0)
63d127b0	250	invarg("invalid primary_reselect", *argv);
63d127b0	251	primary_reselect = get_index(primary_reselect_tbl, *argv);
	252	addattr8(n, 1024, IFLA_BOND_PRIMARY_RESELECT,
	253	primary_reselect);
	254	} else if (matches(*argv, "fail_over_mac") == 0) {
	255	NEXT_ARG();
e0f229fb	256	if (get_index(fail_over_mac_tbl, *argv) < 0)
63d127b0	257	invarg("invalid fail_over_mac", *argv);
63d127b0	258	fail_over_mac = get_index(fail_over_mac_tbl, *argv);
	259	addattr8(n, 1024, IFLA_BOND_FAIL_OVER_MAC,
	260	fail_over_mac);
	261	} else if (matches(*argv, "xmit_hash_policy") == 0) {
	262	NEXT_ARG();
e0f229fb	263	if (get_index(xmit_hash_policy_tbl, *argv) < 0)
63d127b0	264	invarg("invalid xmit_hash_policy", *argv);
e0f229fb	265
63d127b0	266	xmit_hash_policy = get_index(xmit_hash_policy_tbl, *argv);
	267	addattr8(n, 1024, IFLA_BOND_XMIT_HASH_POLICY,
	268	xmit_hash_policy);
	269	} else if (matches(*argv, "resend_igmp") == 0) {
	270	NEXT_ARG();
e0f229fb	271	if (get_u32(&resend_igmp, *argv, 0))
63d127b0	272	invarg("invalid resend_igmp", *argv);
e0f229fb	273
63d127b0	274	addattr32(n, 1024, IFLA_BOND_RESEND_IGMP, resend_igmp);
	275	} else if (matches(*argv, "num_grat_arp") == 0 \|\|
	276	matches(*argv, "num_unsol_na") == 0) {
	277	NEXT_ARG();
e0f229fb	278	if (get_u8(&num_peer_notif, *argv, 0))
63d127b0	279	invarg("invalid num_grat_arp\|num_unsol_na",
63d127b0	280	*argv);
e0f229fb	281
63d127b0	282	addattr8(n, 1024, IFLA_BOND_NUM_PEER_NOTIF,
	283	num_peer_notif);
	284	} else if (matches(*argv, "all_slaves_active") == 0) {
	285	NEXT_ARG();
e0f229fb	286	if (get_u8(&all_slaves_active, *argv, 0))
63d127b0	287	invarg("invalid all_slaves_active", *argv);
e0f229fb	288
63d127b0	289	addattr8(n, 1024, IFLA_BOND_ALL_SLAVES_ACTIVE,
	290	all_slaves_active);
	291	} else if (matches(*argv, "min_links") == 0) {
	292	NEXT_ARG();
e0f229fb	293	if (get_u32(&min_links, *argv, 0))
63d127b0	294	invarg("invalid min_links", *argv);
e0f229fb	295
63d127b0	296	addattr32(n, 1024, IFLA_BOND_MIN_LINKS, min_links);
	297	} else if (matches(*argv, "lp_interval") == 0) {
	298	NEXT_ARG();
e0f229fb	299	if (get_u32(&lp_interval, *argv, 0))
63d127b0	300	invarg("invalid lp_interval", *argv);
e0f229fb	301
63d127b0	302	addattr32(n, 1024, IFLA_BOND_LP_INTERVAL, lp_interval);
	303	} else if (matches(*argv, "packets_per_slave") == 0) {
	304	NEXT_ARG();
e0f229fb	305	if (get_u32(&packets_per_slave, *argv, 0))
63d127b0	306	invarg("invalid packets_per_slave", *argv);
e0f229fb	307
63d127b0	308	addattr32(n, 1024, IFLA_BOND_PACKETS_PER_SLAVE,
	309	packets_per_slave);
	310	} else if (matches(*argv, "lacp_rate") == 0) {
	311	NEXT_ARG();
e0f229fb	312	if (get_index(lacp_rate_tbl, *argv) < 0)
63d127b0	313	invarg("invalid lacp_rate", *argv);
e0f229fb	314
63d127b0	315	lacp_rate = get_index(lacp_rate_tbl, *argv);
	316	addattr8(n, 1024, IFLA_BOND_AD_LACP_RATE, lacp_rate);
	317	} else if (matches(*argv, "ad_select") == 0) {
	318	NEXT_ARG();
e0f229fb	319	if (get_index(ad_select_tbl, *argv) < 0)
63d127b0	320	invarg("invalid ad_select", *argv);
e0f229fb	321
63d127b0	322	ad_select = get_index(ad_select_tbl, *argv);
63d127b0	323	addattr8(n, 1024, IFLA_BOND_AD_SELECT, ad_select);
6fc1f8ad JT	324	} else if (matches(*argv, "ad_user_port_key") == 0) {
6fc1f8ad JT	325	NEXT_ARG();
e0f229fb	326	if (get_u16(&ad_user_port_key, *argv, 0))
6fc1f8ad	327	invarg("invalid ad_user_port_key", *argv);
e0f229fb	328
6fc1f8ad JT	329	addattr16(n, 1024, IFLA_BOND_AD_USER_PORT_KEY,
	330	ad_user_port_key);
	331	} else if (matches(*argv, "ad_actor_sys_prio") == 0) {
	332	NEXT_ARG();
e0f229fb	333	if (get_u16(&ad_actor_sys_prio, *argv, 0))
6fc1f8ad	334	invarg("invalid ad_actor_sys_prio", *argv);
e0f229fb	335
6fc1f8ad JT	336	addattr16(n, 1024, IFLA_BOND_AD_ACTOR_SYS_PRIO,
	337	ad_actor_sys_prio);
	338	} else if (matches(*argv, "ad_actor_system") == 0) {
	339	int len;
	340	char abuf[32];
	341
	342	NEXT_ARG();
	343	len = ll_addr_a2n(abuf, sizeof(abuf), *argv);
	344	if (len < 0)
	345	return -1;
	346	addattr_l(n, 1024, IFLA_BOND_AD_ACTOR_SYSTEM,
	347	abuf, len);
d02e4662 NA	348	} else if (matches(*argv, "tlb_dynamic_lb") == 0) {
	349	NEXT_ARG();
	350	if (get_u8(&tlb_dynamic_lb, *argv, 0)) {
	351	invarg("invalid tlb_dynamic_lb", *argv);
	352	return -1;
	353	}
	354	addattr8(n, 1024, IFLA_BOND_TLB_DYNAMIC_LB,
	355	tlb_dynamic_lb);
7feb76ce JP	356	} else if (matches(*argv, "help") == 0) {
	357	explain();
	358	return -1;
cc26a890 JP	359	} else {
	360	fprintf(stderr, "bond: unknown command \"%s\"?\n", *argv);
	361	explain();
	362	return -1;
	363	}
	364	argc--, argv++;
	365	}
	366
	367	return 0;
	368	}
	369
	370	static void bond_print_opt(struct link_util lu, FILE f, struct rtattr *tb[])
	371	{
56f5daac	372	unsigned int ifindex;
cc26a890 JP	373
	374	if (!tb)
	375	return;
	376
63d127b0	377	if (tb[IFLA_BOND_MODE]) {
	378	const char *mode = get_name(mode_tbl,
	379	rta_getattr_u8(tb[IFLA_BOND_MODE]));
	380	fprintf(f, "mode %s ", mode);
	381	}
cc26a890 JP	382
	383	if (tb[IFLA_BOND_ACTIVE_SLAVE] &&
	384	(ifindex = rta_getattr_u32(tb[IFLA_BOND_ACTIVE_SLAVE]))) {
	385	char buf[IFNAMSIZ];
	386	const char *n = if_indextoname(ifindex, buf);
	387
	388	if (n)
	389	fprintf(f, "active_slave %s ", n);
	390	else
	391	fprintf(f, "active_slave %u ", ifindex);
	392	}
63d127b0	393
	394	if (tb[IFLA_BOND_MIIMON])
	395	fprintf(f, "miimon %u ", rta_getattr_u32(tb[IFLA_BOND_MIIMON]));
	396
	397	if (tb[IFLA_BOND_UPDELAY])
	398	fprintf(f, "updelay %u ", rta_getattr_u32(tb[IFLA_BOND_UPDELAY]));
	399
	400	if (tb[IFLA_BOND_DOWNDELAY])
	401	fprintf(f, "downdelay %u ",
	402	rta_getattr_u32(tb[IFLA_BOND_DOWNDELAY]));
	403
	404	if (tb[IFLA_BOND_USE_CARRIER])
	405	fprintf(f, "use_carrier %u ",
	406	rta_getattr_u8(tb[IFLA_BOND_USE_CARRIER]));
	407
	408	if (tb[IFLA_BOND_ARP_INTERVAL])
	409	fprintf(f, "arp_interval %u ",
	410	rta_getattr_u32(tb[IFLA_BOND_ARP_INTERVAL]));
	411
	412	if (tb[IFLA_BOND_ARP_IP_TARGET]) {
	413	struct rtattr *iptb[BOND_MAX_ARP_TARGETS + 1];
	414	char buf[INET_ADDRSTRLEN];
	415	int i;
	416
	417	parse_rtattr_nested(iptb, BOND_MAX_ARP_TARGETS,
	418	tb[IFLA_BOND_ARP_IP_TARGET]);
	419
	420	if (iptb[0])
	421	fprintf(f, "arp_ip_target ");
	422
	423	for (i = 0; i < BOND_MAX_ARP_TARGETS; i++) {
	424	if (iptb[i])
	425	fprintf(f, "%s",
	426	rt_addr_n2a(AF_INET,
26dcdf3a	427	RTA_PAYLOAD(iptb[i]),
63d127b0	428	RTA_DATA(iptb[i]),
	429	buf,
	430	INET_ADDRSTRLEN));
	431	if (i < BOND_MAX_ARP_TARGETS-1 && iptb[i+1])
	432	fprintf(f, ",");
	433	}
	434
	435	if (iptb[0])
	436	fprintf(f, " ");
	437	}
	438
	439	if (tb[IFLA_BOND_ARP_VALIDATE]) {
	440	const char *arp_validate = get_name(arp_validate_tbl,
	441	rta_getattr_u32(tb[IFLA_BOND_ARP_VALIDATE]));
	442	fprintf(f, "arp_validate %s ", arp_validate);
	443	}
	444
	445	if (tb[IFLA_BOND_ARP_ALL_TARGETS]) {
	446	const char *arp_all_targets = get_name(arp_all_targets_tbl,
	447	rta_getattr_u32(tb[IFLA_BOND_ARP_ALL_TARGETS]));
32ad31fb	448	fprintf(f, "arp_all_targets %s ", arp_all_targets);
63d127b0	449	}
	450
	451	if (tb[IFLA_BOND_PRIMARY] &&
	452	(ifindex = rta_getattr_u32(tb[IFLA_BOND_PRIMARY]))) {
	453	char buf[IFNAMSIZ];
	454	const char *n = if_indextoname(ifindex, buf);
	455
	456	if (n)
	457	fprintf(f, "primary %s ", n);
	458	else
	459	fprintf(f, "primary %u ", ifindex);
	460	}
	461
	462	if (tb[IFLA_BOND_PRIMARY_RESELECT]) {
	463	const char *primary_reselect = get_name(primary_reselect_tbl,
	464	rta_getattr_u8(tb[IFLA_BOND_PRIMARY_RESELECT]));
	465	fprintf(f, "primary_reselect %s ", primary_reselect);
	466	}
	467
	468	if (tb[IFLA_BOND_FAIL_OVER_MAC]) {
	469	const char *fail_over_mac = get_name(fail_over_mac_tbl,
	470	rta_getattr_u8(tb[IFLA_BOND_FAIL_OVER_MAC]));
	471	fprintf(f, "fail_over_mac %s ", fail_over_mac);
	472	}
	473
	474	if (tb[IFLA_BOND_XMIT_HASH_POLICY]) {
	475	const char *xmit_hash_policy = get_name(xmit_hash_policy_tbl,
	476	rta_getattr_u8(tb[IFLA_BOND_XMIT_HASH_POLICY]));
	477	fprintf(f, "xmit_hash_policy %s ", xmit_hash_policy);
	478	}
	479
	480	if (tb[IFLA_BOND_RESEND_IGMP])
	481	fprintf(f, "resend_igmp %u ",
	482	rta_getattr_u32(tb[IFLA_BOND_RESEND_IGMP]));
	483
	484	if (tb[IFLA_BOND_NUM_PEER_NOTIF])
	485	fprintf(f, "num_grat_arp %u ",
	486	rta_getattr_u8(tb[IFLA_BOND_NUM_PEER_NOTIF]));
	487
	488	if (tb[IFLA_BOND_ALL_SLAVES_ACTIVE])
	489	fprintf(f, "all_slaves_active %u ",
	490	rta_getattr_u8(tb[IFLA_BOND_ALL_SLAVES_ACTIVE]));
	491
	492	if (tb[IFLA_BOND_MIN_LINKS])
	493	fprintf(f, "min_links %u ",
	494	rta_getattr_u32(tb[IFLA_BOND_MIN_LINKS]));
	495
	496	if (tb[IFLA_BOND_LP_INTERVAL])
	497	fprintf(f, "lp_interval %u ",
	498	rta_getattr_u32(tb[IFLA_BOND_LP_INTERVAL]));
	499
	500	if (tb[IFLA_BOND_PACKETS_PER_SLAVE])
	501	fprintf(f, "packets_per_slave %u ",
	502	rta_getattr_u32(tb[IFLA_BOND_PACKETS_PER_SLAVE]));
	503
	504	if (tb[IFLA_BOND_AD_LACP_RATE]) {
	505	const char *lacp_rate = get_name(lacp_rate_tbl,
	506	rta_getattr_u8(tb[IFLA_BOND_AD_LACP_RATE]));
	507	fprintf(f, "lacp_rate %s ", lacp_rate);
	508	}
	509
	510	if (tb[IFLA_BOND_AD_SELECT]) {
	511	const char *ad_select = get_name(ad_select_tbl,
	512	rta_getattr_u8(tb[IFLA_BOND_AD_SELECT]));
513	fprintf(f, "ad_select %s ", ad_select);
514	}
515
516	if (tb[IFLA_BOND_AD_INFO]) {
517	struct rtattr *adtb[IFLA_BOND_AD_INFO_MAX + 1];
518
519	parse_rtattr_nested(adtb, IFLA_BOND_AD_INFO_MAX,
520	tb[IFLA_BOND_AD_INFO]);
521
522	if (adtb[IFLA_BOND_AD_INFO_AGGREGATOR])
523	fprintf(f, "ad_aggregator %d ",
524	rta_getattr_u16(adtb[IFLA_BOND_AD_INFO_AGGREGATOR]));
525
526	if (adtb[IFLA_BOND_AD_INFO_NUM_PORTS])
527	fprintf(f, "ad_num_ports %d ",
528	rta_getattr_u16(adtb[IFLA_BOND_AD_INFO_NUM_PORTS]));
529
530	if (adtb[IFLA_BOND_AD_INFO_ACTOR_KEY])
531	fprintf(f, "ad_actor_key %d ",
532	rta_getattr_u16(adtb[IFLA_BOND_AD_INFO_ACTOR_KEY]));
533
534	if (adtb[IFLA_BOND_AD_INFO_PARTNER_KEY])
535	fprintf(f, "ad_partner_key %d ",
536	rta_getattr_u16(adtb[IFLA_BOND_AD_INFO_PARTNER_KEY]));
537
538	if (adtb[IFLA_BOND_AD_INFO_PARTNER_MAC]) {
539	unsigned char *p =
540	RTA_DATA(adtb[IFLA_BOND_AD_INFO_PARTNER_MAC]);
541	SPRINT_BUF(b);
542	fprintf(f, "ad_partner_mac %s ",
543	ll_addr_n2a(p, ETH_ALEN, 0, b, sizeof(b)));
544	}
545	}
6fc1f8ad JT	546
	547	if (tb[IFLA_BOND_AD_ACTOR_SYS_PRIO]) {
	548	fprintf(f, "ad_actor_sys_prio %u ",
	549	rta_getattr_u16(tb[IFLA_BOND_AD_ACTOR_SYS_PRIO]));
	550	}
	551
	552	if (tb[IFLA_BOND_AD_USER_PORT_KEY]) {
	553	fprintf(f, "ad_user_port_key %u ",
	554	rta_getattr_u16(tb[IFLA_BOND_AD_USER_PORT_KEY]));
	555	}
	556
	557	if (tb[IFLA_BOND_AD_ACTOR_SYSTEM]) {
	558	/* We assume the l2 address is an Ethernet MAC address */
	559	SPRINT_BUF(b1);
	560	fprintf(f, "ad_actor_system %s ",
	561	ll_addr_n2a(RTA_DATA(tb[IFLA_BOND_AD_ACTOR_SYSTEM]),
	562	RTA_PAYLOAD(tb[IFLA_BOND_AD_ACTOR_SYSTEM]),
	563	1 /ARPHDR_ETHER/, b1, sizeof(b1)));
	564	}
d02e4662 NA	565
	566	if (tb[IFLA_BOND_TLB_DYNAMIC_LB]) {
	567	fprintf(f, "tlb_dynamic_lb %u ",
	568	rta_getattr_u8(tb[IFLA_BOND_TLB_DYNAMIC_LB]));
	569	}
cc26a890 JP	570	}
cc26a890 JP	571
561e650e	572	static void bond_print_help(struct link_util lu, int argc, char *argv,
	573	FILE *f)
	574	{
	575	print_explain(f);
	576	}
	577
cc26a890 JP	578	struct link_util bond_link_util = {
	579	.id = "bond",
	580	.maxattr = IFLA_BOND_MAX,
	581	.parse_opt = bond_parse_opt,
	582	.print_opt = bond_print_opt,
561e650e	583	.print_help = bond_print_help,
cc26a890	584	};