1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * drivers/net/bond/bond_options.c - bonding options
96 	{ "balance-rr",    BOND_MODE_ROUNDROBIN,   BOND_VALFLAG_DEFAULT},
97 	{ "active-backup", BOND_MODE_ACTIVEBACKUP, 0},
98 	{ "balance-xor",   BOND_MODE_XOR,          0},
101 	{ "balance-tlb",   BOND_MODE_TLB,          0},
102 	{ "balance-alb",   BOND_MODE_ALB,          0},
103 	{ NULL,            -1,                     0},
109 	{ NULL,      -1,        0},
119 	{ NULL,          -1,                           0},
130 	{ NULL,			-1,				0},
136 	{ NULL,  -1,                   0},
143 	{ NULL,     -1,              0},
149 	{ NULL,      -1,      0}
155 	{ NULL,  -1, 0}
161 	{ NULL,   -1,           0},
169 	{ NULL,              -1,                0},
176 	{ NULL,      -1,  0}
182 	{ NULL,      -1,  0}
189 	{ NULL,      -1},
194 	{ NULL,  -1, 0}
200 	{ NULL,  -1, 0}
207 	{ NULL,      -1,  0}
213 	{ NULL,      -1,      0},
219 	{ NULL,  -1, 0}
225 	{ NULL,      -1,    0},
231 	{ NULL,      -1,    0},
238 	{ NULL,		-1,	0},
244 	{ NULL,  -1, 0},
250 	{ NULL,  -1, 0}
265 		.desc = "Packets to send per slave in RR mode",
273 		.desc = "balance-xor, 802.3ad, and tlb hashing method",
296 		.desc = "For active-backup, do not set all slaves to the same MAC",
397 		.desc = "Link priority for failover re-selection",
417 		.desc = "Reselect primary slave once it comes up",
431 		.desc = "Currently active slave",
441 		.desc = "Set queue id of a slave",
462 …nds between instances where the bonding driver sends learning packets to each slave's peer switch",
469 		.desc = "Slave membership management",
552 		if (opt && !strcmp(opt->name, name))  in bond_opt_get_by_name()
568 	for (i = 0; opt->values && opt->values[i].string; i++)  in bond_opt_get_val()
569 		if (opt->values[i].value == val)  in bond_opt_get_val()
570 			return &opt->values[i];  in bond_opt_get_val()
581 	for (i = 0; opt->values && opt->values[i].string; i++)  in bond_opt_get_flags()
582 		if (opt->values[i].flags & flagmask)  in bond_opt_get_flags()
583 			return &opt->values[i];  in bond_opt_get_flags()
597 	if (!maxval || (minval && val < minval->value) || val > maxval->value)  in bond_opt_check_range()
604  * bond_opt_parse - parse option value
611  * @val->string if it's present.
623 	if (opt->flags & BOND_OPTFLAG_RAWVAL)  in bond_opt_parse()
626 	tbl = opt->values;  in bond_opt_parse()
631 	checkval = val->value != ULLONG_MAX;  in bond_opt_parse()
633 		if (!val->string)  in bond_opt_parse()
635 		p = strchr(val->string, '\n');  in bond_opt_parse()
638 		for (p = val->string; *p; p++)  in bond_opt_parse()
645 			rv = sscanf(val->string, "%32s", valstr);  in bond_opt_parse()
647 			rv = sscanf(val->string, "%llu", &val->value);  in bond_opt_parse()
657 			if (val->value == tbl[i].value)  in bond_opt_parse()
672 	if (checkval && bond_opt_check_range(opt, val->value))  in bond_opt_parse()
682 	struct bond_params *params = &bond->params;  in bond_opt_check_deps()
684 	if (test_bit(params->mode, &opt->unsuppmodes))  in bond_opt_check_deps()
685 		return -EACCES;  in bond_opt_check_deps()
686 	if ((opt->flags & BOND_OPTFLAG_NOSLAVES) && bond_has_slaves(bond))  in bond_opt_check_deps()
687 		return -ENOTEMPTY;  in bond_opt_check_deps()
688 	if ((opt->flags & BOND_OPTFLAG_IFDOWN) && (bond->dev->flags & IFF_UP))  in bond_opt_check_deps()
689 		return -EBUSY;  in bond_opt_check_deps()
702 	params = &bond->params;  in bond_opt_dep_print()
703 	modeval = bond_opt_get_val(BOND_OPT_MODE, params->mode);  in bond_opt_dep_print()
704 	if (test_bit(params->mode, &opt->unsuppmodes)) {  in bond_opt_dep_print()
705 		netdev_err(bond->dev, "option %s: mode dependency failed, not supported in mode %s(%llu)\n",  in bond_opt_dep_print()
706 			   opt->name, modeval->string, modeval->value);  in bond_opt_dep_print()
722 	case -EINVAL:  in bond_opt_error_interpret()
725 			if (val->string) {  in bond_opt_error_interpret()
727 				p = strchr(val->string, '\n');  in bond_opt_error_interpret()
730 				netdev_err(bond->dev, "option %s: invalid value (%s)\n",  in bond_opt_error_interpret()
731 					   opt->name, val->string);  in bond_opt_error_interpret()
733 				netdev_err(bond->dev, "option %s: invalid value (%llu)\n",  in bond_opt_error_interpret()
734 					   opt->name, val->value);  in bond_opt_error_interpret()
741 		netdev_err(bond->dev, "option %s: allowed values %llu - %llu\n",  in bond_opt_error_interpret()
742 			   opt->name, minval ? minval->value : 0, maxval->value);  in bond_opt_error_interpret()
744 	case -EACCES:  in bond_opt_error_interpret()
747 	case -ENOTEMPTY:  in bond_opt_error_interpret()
750 		netdev_err(bond->dev, "option %s: unable to set because the bond device has slaves\n",  in bond_opt_error_interpret()
751 			   opt->name);  in bond_opt_error_interpret()
753 	case -EBUSY:  in bond_opt_error_interpret()
756 		netdev_err(bond->dev, "option %s: unable to set because the bond device is up\n",  in bond_opt_error_interpret()
757 			   opt->name);  in bond_opt_error_interpret()
759 	case -ENODEV:  in bond_opt_error_interpret()
760 		if (val && val->string) {  in bond_opt_error_interpret()
761 			p = strchr(val->string, '\n');  in bond_opt_error_interpret()
764 			netdev_err(bond->dev, "option %s: interface %s does not exist!\n",  in bond_opt_error_interpret()
765 				   opt->name, val->string);  in bond_opt_error_interpret()
776  * __bond_opt_set - set a bonding option
794 	int ret = -ENOENT;  in __bond_opt_set()
806 		ret = -EINVAL;  in __bond_opt_set()
809 	ret = opt->set(bond, retval);  in __bond_opt_set()
817  * __bond_opt_set_notify - set a bonding option
836 	if (!ret && (bond->dev->reg_state == NETREG_REGISTERED))  in __bond_opt_set_notify()
837 		call_netdevice_notifiers(NETDEV_CHANGEINFODATA, bond->dev);  in __bond_opt_set_notify()
843  * bond_opt_tryset_rtnl - try to acquire rtnl and call __bond_opt_set
866  * bond_opt_get - get a pointer to an option
886 		bond->dev->wanted_features |= BOND_XFRM_FEATURES;  in bond_set_xfrm_features()
888 		bond->dev->wanted_features &= ~BOND_XFRM_FEATURES;  in bond_set_xfrm_features()
896 	if (bond->xdp_prog && !bond_xdp_check(bond, newval->value))  in bond_option_mode_set()
897 		return -EOPNOTSUPP;  in bond_option_mode_set()
899 	if (!bond_mode_uses_arp(newval->value)) {  in bond_option_mode_set()
900 		if (bond->params.arp_interval) {  in bond_option_mode_set()
901 			netdev_dbg(bond->dev, "%s mode is incompatible with arp monitoring, start mii monitoring\n",  in bond_option_mode_set()
902 				   newval->string);  in bond_option_mode_set()
904 			bond->params.arp_interval = 0;  in bond_option_mode_set()
907 		if (!bond->params.miimon) {  in bond_option_mode_set()
909 			bond->params.miimon = BOND_DEFAULT_MIIMON;  in bond_option_mode_set()
910 			netdev_dbg(bond->dev, "Setting MII monitoring interval to %d\n",  in bond_option_mode_set()
911 				   bond->params.miimon);  in bond_option_mode_set()
915 	if (newval->value == BOND_MODE_ALB)  in bond_option_mode_set()
916 		bond->params.tlb_dynamic_lb = 1;  in bond_option_mode_set()
919 	bond->params.arp_validate = BOND_ARP_VALIDATE_NONE;  in bond_option_mode_set()
920 	bond->params.mode = newval->value;  in bond_option_mode_set()
927 	bond->params.broadcast_neighbor = 0;  in bond_option_mode_set()
929 	if (bond->dev->reg_state == NETREG_REGISTERED) {  in bond_option_mode_set()
935 			netdev_update_features(bond->dev);  in bond_option_mode_set()
938 	bond_xdp_set_features(bond->dev);  in bond_option_mode_set()
950 	sscanf(newval->string, "%15s", ifname); /* IFNAMSIZ */  in bond_option_active_slave_set()
951 	if (!strlen(ifname) || newval->string[0] == '\n') {  in bond_option_active_slave_set()
954 		slave_dev = __dev_get_by_name(dev_net(bond->dev), ifname);  in bond_option_active_slave_set()
956 			return -ENODEV;  in bond_option_active_slave_set()
961 			slave_err(bond->dev, slave_dev, "Device is not bonding slave\n");  in bond_option_active_slave_set()
962 			return -EINVAL;  in bond_option_active_slave_set()
965 		if (bond->dev != netdev_master_upper_dev_get(slave_dev)) {  in bond_option_active_slave_set()
966 			slave_err(bond->dev, slave_dev, "Device is not our slave\n");  in bond_option_active_slave_set()
967 			return -EINVAL;  in bond_option_active_slave_set()
974 		netdev_dbg(bond->dev, "Clearing current active slave\n");  in bond_option_active_slave_set()
978 		struct slave *old_active = rtnl_dereference(bond->curr_active_slave);  in bond_option_active_slave_set()
979 		struct slave *new_active = bond_slave_get_rtnl(slave_dev);  in bond_option_active_slave_set()
985 			slave_dbg(bond->dev, new_active->dev, "is already the current active slave\n");  in bond_option_active_slave_set()
987 			if (old_active && (new_active->link == BOND_LINK_UP) &&  in bond_option_active_slave_set()
989 				slave_dbg(bond->dev, new_active->dev, "Setting as active slave\n");  in bond_option_active_slave_set()
992 …slave_err(bond->dev, new_active->dev, "Could not set as active slave; either %s is down or the lin…  in bond_option_active_slave_set()
993 					  new_active->dev->name);  in bond_option_active_slave_set()
994 				ret = -EINVAL;  in bond_option_active_slave_set()
1010 	netdev_dbg(bond->dev, "Setting MII monitoring interval to %llu\n",  in bond_option_miimon_set()
1011 		   newval->value);  in bond_option_miimon_set()
1012 	bond->params.miimon = newval->value;  in bond_option_miimon_set()
1013 	if (bond->params.updelay)  in bond_option_miimon_set()
1014 …netdev_dbg(bond->dev, "Note: Updating updelay (to %d) since it is a multiple of the miimon value\n…  in bond_option_miimon_set()
1015 			   bond->params.updelay * bond->params.miimon);  in bond_option_miimon_set()
1016 	if (bond->params.downdelay)  in bond_option_miimon_set()
1017 …netdev_dbg(bond->dev, "Note: Updating downdelay (to %d) since it is a multiple of the miimon value…  in bond_option_miimon_set()
1018 			   bond->params.downdelay * bond->params.miimon);  in bond_option_miimon_set()
1019 	if (bond->params.peer_notif_delay)  in bond_option_miimon_set()
1020 …netdev_dbg(bond->dev, "Note: Updating peer_notif_delay (to %d) since it is a multiple of the miimo…  in bond_option_miimon_set()
1021 			   bond->params.peer_notif_delay * bond->params.miimon);  in bond_option_miimon_set()
1022 	if (newval->value && bond->params.arp_interval) {  in bond_option_miimon_set()
1023 …netdev_dbg(bond->dev, "MII monitoring cannot be used with ARP monitoring - disabling ARP monitorin…  in bond_option_miimon_set()
1024 		bond->params.arp_interval = 0;  in bond_option_miimon_set()
1025 		if (bond->params.arp_validate)  in bond_option_miimon_set()
1026 			bond->params.arp_validate = BOND_ARP_VALIDATE_NONE;  in bond_option_miimon_set()
1028 	if (bond->dev->flags & IFF_UP) {  in bond_option_miimon_set()
1034 		if (!newval->value) {  in bond_option_miimon_set()
1035 			cancel_delayed_work_sync(&bond->mii_work);  in bond_option_miimon_set()
1037 			cancel_delayed_work_sync(&bond->arp_work);  in bond_option_miimon_set()
1038 			queue_delayed_work(bond->wq, &bond->mii_work, 0);  in bond_option_miimon_set()
1054 	int value = newval->value;  in _bond_option_delay_set()
1056 	if (!bond->params.miimon) {  in _bond_option_delay_set()
1057 		netdev_err(bond->dev, "Unable to set %s as MII monitoring is disabled\n",  in _bond_option_delay_set()
1059 		return -EPERM;  in _bond_option_delay_set()
1061 	if ((value % bond->params.miimon) != 0) {  in _bond_option_delay_set()
1062 		netdev_warn(bond->dev,  in _bond_option_delay_set()
1065 			    value, bond->params.miimon,  in _bond_option_delay_set()
1066 			    (value / bond->params.miimon) *  in _bond_option_delay_set()
1067 			    bond->params.miimon);  in _bond_option_delay_set()
1069 	*target = value / bond->params.miimon;  in _bond_option_delay_set()
1070 	netdev_dbg(bond->dev, "Setting %s to %d\n",  in _bond_option_delay_set()
1072 		   *target * bond->params.miimon);  in _bond_option_delay_set()
1081 				      &bond->params.updelay);  in bond_option_updelay_set()
1088 				      &bond->params.downdelay);  in bond_option_downdelay_set()
1096 					 &bond->params.peer_notif_delay);  in bond_option_peer_notif_delay_set()
1113 	netdev_dbg(bond->dev, "Setting ARP monitoring interval to %llu\n",  in bond_option_arp_interval_set()
1114 		   newval->value);  in bond_option_arp_interval_set()
1115 	bond->params.arp_interval = newval->value;  in bond_option_arp_interval_set()
1116 	if (newval->value) {  in bond_option_arp_interval_set()
1117 		if (bond->params.miimon) {  in bond_option_arp_interval_set()
1118 …netdev_dbg(bond->dev, "ARP monitoring cannot be used with MII monitoring. Disabling MII monitoring…  in bond_option_arp_interval_set()
1119 			bond->params.miimon = 0;  in bond_option_arp_interval_set()
1121 		if (!bond->params.arp_targets[0])  in bond_option_arp_interval_set()
1122 …	netdev_dbg(bond->dev, "ARP monitoring has been set up, but no ARP targets have been specified\n");  in bond_option_arp_interval_set()
1124 	if (bond->dev->flags & IFF_UP) {  in bond_option_arp_interval_set()
1130 		if (!newval->value) {  in bond_option_arp_interval_set()
1131 			if (bond->params.arp_validate)  in bond_option_arp_interval_set()
1132 				bond->recv_probe = NULL;  in bond_option_arp_interval_set()
1133 			cancel_delayed_work_sync(&bond->arp_work);  in bond_option_arp_interval_set()
1135 			/* arp_validate can be set only in active-backup mode */  in bond_option_arp_interval_set()
1136 			bond->recv_probe = bond_rcv_validate;  in bond_option_arp_interval_set()
1137 			cancel_delayed_work_sync(&bond->mii_work);  in bond_option_arp_interval_set()
1138 			queue_delayed_work(bond->wq, &bond->arp_work, 0);  in bond_option_arp_interval_set()
1149 	__be32 *targets = bond->params.arp_targets;  in _bond_options_arp_ip_target_set()
1151 	struct slave *slave;  in _bond_options_arp_ip_target_set()  local
1154 		bond_for_each_slave(bond, slave, iter)  in _bond_options_arp_ip_target_set()
1155 			slave->target_last_arp_rx[slot] = last_rx;  in _bond_options_arp_ip_target_set()
1162 	__be32 *targets = bond->params.arp_targets;  in _bond_option_arp_ip_target_add()
1166 		netdev_err(bond->dev, "invalid ARP target %pI4 specified for addition\n",  in _bond_option_arp_ip_target_add()
1168 		return -EINVAL;  in _bond_option_arp_ip_target_add()
1171 	if (bond_get_targets_ip(targets, target) != -1) { /* dup */  in _bond_option_arp_ip_target_add()
1172 		netdev_err(bond->dev, "ARP target %pI4 is already present\n",  in _bond_option_arp_ip_target_add()
1174 		return -EINVAL;  in _bond_option_arp_ip_target_add()
1178 	if (ind == -1) {  in _bond_option_arp_ip_target_add()
1179 		netdev_err(bond->dev, "ARP target table is full!\n");  in _bond_option_arp_ip_target_add()
1180 		return -EINVAL;  in _bond_option_arp_ip_target_add()
1183 	netdev_dbg(bond->dev, "Adding ARP target %pI4\n", &target);  in _bond_option_arp_ip_target_add()
1197 	__be32 *targets = bond->params.arp_targets;  in bond_option_arp_ip_target_rem()
1199 	struct slave *slave;  in bond_option_arp_ip_target_rem()  local
1204 		netdev_err(bond->dev, "invalid ARP target %pI4 specified for removal\n",  in bond_option_arp_ip_target_rem()
1206 		return -EINVAL;  in bond_option_arp_ip_target_rem()
1210 	if (ind == -1) {  in bond_option_arp_ip_target_rem()
1211 		netdev_err(bond->dev, "unable to remove nonexistent ARP target %pI4\n",  in bond_option_arp_ip_target_rem()
1213 		return -EINVAL;  in bond_option_arp_ip_target_rem()
1216 	if (ind == 0 && !targets[1] && bond->params.arp_interval)  in bond_option_arp_ip_target_rem()
1217 		netdev_warn(bond->dev, "Removing last arp target with arp_interval on\n");  in bond_option_arp_ip_target_rem()
1219 	netdev_dbg(bond->dev, "Removing ARP target %pI4\n", &target);  in bond_option_arp_ip_target_rem()
1221 	bond_for_each_slave(bond, slave, iter) {  in bond_option_arp_ip_target_rem()
1222 		targets_rx = slave->target_last_arp_rx;  in bond_option_arp_ip_target_rem()
1223 		for (i = ind; (i < BOND_MAX_ARP_TARGETS-1) && targets[i+1]; i++)  in bond_option_arp_ip_target_rem()
1227 	for (i = ind; (i < BOND_MAX_ARP_TARGETS-1) && targets[i+1]; i++)  in bond_option_arp_ip_target_rem()
1245 	int ret = -EPERM;  in bond_option_arp_ip_targets_set()
1248 	if (newval->string) {  in bond_option_arp_ip_targets_set()
1249 		if (strlen(newval->string) < 1 ||  in bond_option_arp_ip_targets_set()
1250 		    !in4_pton(newval->string + 1, -1, (u8 *)&target, -1, NULL)) {  in bond_option_arp_ip_targets_set()
1251 			netdev_err(bond->dev, "invalid ARP target specified\n");  in bond_option_arp_ip_targets_set()
1254 		if (newval->string[0] == '+')  in bond_option_arp_ip_targets_set()
1256 		else if (newval->string[0] == '-')  in bond_option_arp_ip_targets_set()
1259 			netdev_err(bond->dev, "no command found in arp_ip_targets file - use +<addr> or -<addr>\n");  in bond_option_arp_ip_targets_set()
1261 		target = newval->value;  in bond_option_arp_ip_targets_set()
1269 static bool slave_can_set_ns_maddr(const struct bonding *bond, struct slave *slave)  in slave_can_set_ns_maddr()  argument
1272 	       !bond_is_active_slave(slave) &&  in slave_can_set_ns_maddr()
1273 	       slave->dev->flags & IFF_MULTICAST;  in slave_can_set_ns_maddr()
1277  * slave_set_ns_maddrs - add/del all NS mac addresses for slave
1279  * @slave: slave device
1282  * This function tries to add or delete all the NS mac addresses on the slave
1286  * solicited-node multicast address of the target. The dest mac of NS message
1287  * is converted from the solicited-node multicast address.
1293 static void slave_set_ns_maddrs(struct bonding *bond, struct slave *slave, bool add)  in slave_set_ns_maddrs()  argument
1295 	struct in6_addr *targets = bond->params.ns_targets;  in slave_set_ns_maddrs()
1300 	if (!slave_can_set_ns_maddr(bond, slave))  in slave_set_ns_maddrs()
1308 		if (!ndisc_mc_map(&mcaddr, slot_maddr, slave->dev, 0)) {  in slave_set_ns_maddrs()
1310 				dev_mc_add(slave->dev, slot_maddr);  in slave_set_ns_maddrs()
1312 				dev_mc_del(slave->dev, slot_maddr);  in slave_set_ns_maddrs()
1317 void bond_slave_ns_maddrs_add(struct bonding *bond, struct slave *slave)  in bond_slave_ns_maddrs_add()  argument
1319 	if (!bond->params.arp_validate)  in bond_slave_ns_maddrs_add()
1321 	slave_set_ns_maddrs(bond, slave, true);  in bond_slave_ns_maddrs_add()
1324 void bond_slave_ns_maddrs_del(struct bonding *bond, struct slave *slave)  in bond_slave_ns_maddrs_del()  argument
1326 	if (!bond->params.arp_validate)  in bond_slave_ns_maddrs_del()
1328 	slave_set_ns_maddrs(bond, slave, false);  in bond_slave_ns_maddrs_del()
1332  * slave_set_ns_maddr - set new NS mac address for slave
1334  * @slave: slave device
1338  * This function tries to replace the old mac address to new one on the slave.
1342  * solicited-node multicast address of the target. The dest mac of NS message
1343  * is converted from the solicited-node multicast address.
1348 static void slave_set_ns_maddr(struct bonding *bond, struct slave *slave,  in slave_set_ns_maddr()  argument
1354 	if (!bond->params.arp_validate || !slave_can_set_ns_maddr(bond, slave))  in slave_set_ns_maddr()
1357 	/* remove the previous mac addr from slave */  in slave_set_ns_maddr()
1360 	    !ndisc_mc_map(&mcast_addr, mac_addr, slave->dev, 0))  in slave_set_ns_maddr()
1361 		dev_mc_del(slave->dev, mac_addr);  in slave_set_ns_maddr()
1363 	/* add new mac addr on slave if target is set */  in slave_set_ns_maddr()
1366 	    !ndisc_mc_map(&mcast_addr, mac_addr, slave->dev, 0))  in slave_set_ns_maddr()
1367 		dev_mc_add(slave->dev, mac_addr);  in slave_set_ns_maddr()
1374 	struct in6_addr *targets = bond->params.ns_targets;  in _bond_options_ns_ip6_target_set()
1376 	struct slave *slave;  in _bond_options_ns_ip6_target_set()  local
1379 		bond_for_each_slave(bond, slave, iter) {  in _bond_options_ns_ip6_target_set()
1380 			slave->target_last_arp_rx[slot] = last_rx;  in _bond_options_ns_ip6_target_set()
1381 			slave_set_ns_maddr(bond, slave, target, &targets[slot]);  in _bond_options_ns_ip6_target_set()
1399 	struct in6_addr *target = (struct in6_addr *)newval->extra;  in bond_option_ns_ip6_targets_set()
1400 	struct in6_addr *targets = bond->params.ns_targets;  in bond_option_ns_ip6_targets_set()
1405 		netdev_err(bond->dev, "invalid NS target %pI6c specified for addition\n",  in bond_option_ns_ip6_targets_set()
1407 		return -EINVAL;  in bond_option_ns_ip6_targets_set()
1410 	if (bond_get_targets_ip6(targets, target) != -1) { /* dup */  in bond_option_ns_ip6_targets_set()
1411 		netdev_err(bond->dev, "NS target %pI6c is already present\n",  in bond_option_ns_ip6_targets_set()
1413 		return -EINVAL;  in bond_option_ns_ip6_targets_set()
1417 	if (index == -1) {  in bond_option_ns_ip6_targets_set()
1418 		netdev_err(bond->dev, "NS target table is full!\n");  in bond_option_ns_ip6_targets_set()
1419 		return -EINVAL;  in bond_option_ns_ip6_targets_set()
1422 	netdev_dbg(bond->dev, "Adding NS target %pI6c\n", target);  in bond_option_ns_ip6_targets_set()
1432 	return -EPERM;  in bond_option_ns_ip6_targets_set()
1435 static void slave_set_ns_maddrs(struct bonding *bond, struct slave *slave, bool add) {}  in slave_set_ns_maddrs()  argument
1437 void bond_slave_ns_maddrs_add(struct bonding *bond, struct slave *slave) {}  in bond_slave_ns_maddrs_add()  argument
1439 void bond_slave_ns_maddrs_del(struct bonding *bond, struct slave *slave) {}  in bond_slave_ns_maddrs_del()  argument
1445 	bool changed = !!bond->params.arp_validate != !!newval->value;  in bond_option_arp_validate_set()
1447 	struct slave *slave;  in bond_option_arp_validate_set()  local
1449 	netdev_dbg(bond->dev, "Setting arp_validate to %s (%llu)\n",  in bond_option_arp_validate_set()
1450 		   newval->string, newval->value);  in bond_option_arp_validate_set()
1451 	bond->params.arp_validate = newval->value;  in bond_option_arp_validate_set()
1454 		bond_for_each_slave(bond, slave, iter)  in bond_option_arp_validate_set()
1455 			slave_set_ns_maddrs(bond, slave, !!bond->params.arp_validate);  in bond_option_arp_validate_set()
1464 	netdev_dbg(bond->dev, "Setting arp_all_targets to %s (%llu)\n",  in bond_option_arp_all_targets_set()
1465 		   newval->string, newval->value);  in bond_option_arp_all_targets_set()
1466 	bond->params.arp_all_targets = newval->value;  in bond_option_arp_all_targets_set()
1474 	netdev_dbg(bond->dev, "Setting missed max to %s (%llu)\n",  in bond_option_missed_max_set()
1475 		   newval->string, newval->value);  in bond_option_missed_max_set()
1476 	bond->params.missed_max = newval->value;  in bond_option_missed_max_set()
1484 	struct slave *slave;  in bond_option_prio_set()  local
1486 	slave = bond_slave_get_rtnl(newval->slave_dev);  in bond_option_prio_set()
1487 	if (!slave) {  in bond_option_prio_set()
1488 		netdev_dbg(newval->slave_dev, "%s called on NULL slave\n", __func__);  in bond_option_prio_set()
1489 		return -ENODEV;  in bond_option_prio_set()
1491 	slave->prio = newval->value;  in bond_option_prio_set()
1493 	if (rtnl_dereference(bond->primary_slave))  in bond_option_prio_set()
1494 		slave_warn(bond->dev, slave->dev,  in bond_option_prio_set()
1495 			   "prio updated, but will not affect failover re-selection as primary slave have been set\n");  in bond_option_prio_set()
1505 	char *p, *primary = newval->string;  in bond_option_primary_set()
1507 	struct slave *slave;  in bond_option_primary_set()  local
1516 		netdev_dbg(bond->dev, "Setting primary slave to None\n");  in bond_option_primary_set()
1517 		RCU_INIT_POINTER(bond->primary_slave, NULL);  in bond_option_primary_set()
1518 		memset(bond->params.primary, 0, sizeof(bond->params.primary));  in bond_option_primary_set()
1523 	bond_for_each_slave(bond, slave, iter) {  in bond_option_primary_set()
1524 		if (strncmp(slave->dev->name, primary, IFNAMSIZ) == 0) {  in bond_option_primary_set()
1525 			slave_dbg(bond->dev, slave->dev, "Setting as primary slave\n");  in bond_option_primary_set()
1526 			rcu_assign_pointer(bond->primary_slave, slave);  in bond_option_primary_set()
1527 			strcpy(bond->params.primary, slave->dev->name);  in bond_option_primary_set()
1528 			bond->force_primary = true;  in bond_option_primary_set()
1534 	if (rtnl_dereference(bond->primary_slave)) {  in bond_option_primary_set()
1535 		netdev_dbg(bond->dev, "Setting primary slave to None\n");  in bond_option_primary_set()
1536 		RCU_INIT_POINTER(bond->primary_slave, NULL);  in bond_option_primary_set()
1539 	strscpy_pad(bond->params.primary, primary, IFNAMSIZ);  in bond_option_primary_set()
1541 	netdev_dbg(bond->dev, "Recording %s as primary, but it has not been enslaved yet\n",  in bond_option_primary_set()
1553 	netdev_dbg(bond->dev, "Setting primary_reselect to %s (%llu)\n",  in bond_option_primary_reselect_set()
1554 		   newval->string, newval->value);  in bond_option_primary_reselect_set()
1555 	bond->params.primary_reselect = newval->value;  in bond_option_primary_reselect_set()
1567 	netdev_dbg(bond->dev, "Setting fail_over_mac to %s (%llu)\n",  in bond_option_fail_over_mac_set()
1568 		   newval->string, newval->value);  in bond_option_fail_over_mac_set()
1569 	bond->params.fail_over_mac = newval->value;  in bond_option_fail_over_mac_set()
1577 	netdev_dbg(bond->dev, "Setting xmit hash policy to %s (%llu)\n",  in bond_option_xmit_hash_policy_set()
1578 		   newval->string, newval->value);  in bond_option_xmit_hash_policy_set()
1579 	bond->params.xmit_policy = newval->value;  in bond_option_xmit_hash_policy_set()
1587 	netdev_dbg(bond->dev, "Setting resend_igmp to %llu\n",  in bond_option_resend_igmp_set()
1588 		   newval->value);  in bond_option_resend_igmp_set()
1589 	bond->params.resend_igmp = newval->value;  in bond_option_resend_igmp_set()
1597 	bond->params.num_peer_notif = newval->value;  in bond_option_num_peer_notif_set()
1606 	struct slave *slave;  in bond_option_all_slaves_active_set()  local
1608 	if (newval->value == bond->params.all_slaves_active)  in bond_option_all_slaves_active_set()
1610 	bond->params.all_slaves_active = newval->value;  in bond_option_all_slaves_active_set()
1611 	bond_for_each_slave(bond, slave, iter) {  in bond_option_all_slaves_active_set()
1612 		if (!bond_is_active_slave(slave)) {  in bond_option_all_slaves_active_set()
1613 			if (newval->value)  in bond_option_all_slaves_active_set()
1614 				slave->inactive = 0;  in bond_option_all_slaves_active_set()
1616 				slave->inactive = 1;  in bond_option_all_slaves_active_set()
1626 	netdev_dbg(bond->dev, "Setting min links value to %llu\n",  in bond_option_min_links_set()
1627 		   newval->value);  in bond_option_min_links_set()
1628 	bond->params.min_links = newval->value;  in bond_option_min_links_set()
1637 	bond->params.lp_interval = newval->value;  in bond_option_lp_interval_set()
1645 	netdev_dbg(bond->dev, "Setting packets per slave to %llu\n",  in bond_option_pps_set()
1646 		   newval->value);  in bond_option_pps_set()
1647 	bond->params.packets_per_slave = newval->value;  in bond_option_pps_set()
1648 	if (newval->value > 0) {  in bond_option_pps_set()
1649 		bond->params.reciprocal_packets_per_slave =  in bond_option_pps_set()
1650 			reciprocal_value(newval->value);  in bond_option_pps_set()
1655 		bond->params.reciprocal_packets_per_slave =  in bond_option_pps_set()
1665 	netdev_dbg(bond->dev, "Setting LACP active to %s (%llu)\n",  in bond_option_lacp_active_set()
1666 		   newval->string, newval->value);  in bond_option_lacp_active_set()
1667 	bond->params.lacp_active = newval->value;  in bond_option_lacp_active_set()
1676 	netdev_dbg(bond->dev, "Setting LACP rate to %s (%llu)\n",  in bond_option_lacp_rate_set()
1677 		   newval->string, newval->value);  in bond_option_lacp_rate_set()
1678 	bond->params.lacp_fast = newval->value;  in bond_option_lacp_rate_set()
1687 	netdev_dbg(bond->dev, "Setting ad_select to %s (%llu)\n",  in bond_option_ad_select_set()
1688 		   newval->string, newval->value);  in bond_option_ad_select_set()
1689 	bond->params.ad_select = newval->value;  in bond_option_ad_select_set()
1697 	struct slave *slave, *update_slave;  in bond_option_queue_id_set()  local
1705 	delim = strchr(newval->string, ':');  in bond_option_queue_id_set()
1717 	if (!dev_valid_name(newval->string) ||  in bond_option_queue_id_set()
1718 	    qid > bond->dev->real_num_tx_queues)  in bond_option_queue_id_set()
1722 	sdev = __dev_get_by_name(dev_net(bond->dev), newval->string);  in bond_option_queue_id_set()
1726 	/* Search for thes slave and check for duplicate qids */  in bond_option_queue_id_set()
1728 	bond_for_each_slave(bond, slave, iter) {  in bond_option_queue_id_set()
1729 		if (sdev == slave->dev)  in bond_option_queue_id_set()
1731 			 * slave for dups, since we're overwriting it  in bond_option_queue_id_set()
1733 			update_slave = slave;  in bond_option_queue_id_set()
1734 		else if (qid && qid == slave->queue_id) {  in bond_option_queue_id_set()
1742 	/* Actually set the qids for the slave */  in bond_option_queue_id_set()
1743 	WRITE_ONCE(update_slave->queue_id, qid);  in bond_option_queue_id_set()
1749 	netdev_dbg(bond->dev, "invalid input for queue_id set\n");  in bond_option_queue_id_set()
1750 	ret = -EPERM;  in bond_option_queue_id_set()
1759 	struct net_device *dev;  in bond_option_slaves_set()  local
1763 	sscanf(newval->string, "%16s", command); /* IFNAMSIZ*/  in bond_option_slaves_set()
1766 	    (command[0] != '+' && command[0] != '-') ||  in bond_option_slaves_set()
1770 	dev = __dev_get_by_name(dev_net(bond->dev), ifname);  in bond_option_slaves_set()
1771 	if (!dev) {  in bond_option_slaves_set()
1772 		netdev_dbg(bond->dev, "interface %s does not exist!\n",  in bond_option_slaves_set()
1774 		ret = -ENODEV;  in bond_option_slaves_set()
1780 		slave_dbg(bond->dev, dev, "Enslaving interface\n");  in bond_option_slaves_set()
1781 		ret = bond_enslave(bond->dev, dev, NULL);  in bond_option_slaves_set()
1784 	case '-':  in bond_option_slaves_set()
1785 		slave_dbg(bond->dev, dev, "Releasing interface\n");  in bond_option_slaves_set()
1786 		ret = bond_release(bond->dev, dev);  in bond_option_slaves_set()
1798 	netdev_err(bond->dev, "no command found in slaves file - use +ifname or -ifname\n");  in bond_option_slaves_set()
1799 	ret = -EPERM;  in bond_option_slaves_set()
1806 	netdev_dbg(bond->dev, "Setting dynamic-lb to %s (%llu)\n",  in bond_option_tlb_dynamic_lb_set()
1807 		   newval->string, newval->value);  in bond_option_tlb_dynamic_lb_set()
1808 	bond->params.tlb_dynamic_lb = newval->value;  in bond_option_tlb_dynamic_lb_set()
1816 	netdev_dbg(bond->dev, "Setting ad_actor_sys_prio to %llu\n",  in bond_option_ad_actor_sys_prio_set()
1817 		   newval->value);  in bond_option_ad_actor_sys_prio_set()
1819 	bond->params.ad_actor_sys_prio = newval->value;  in bond_option_ad_actor_sys_prio_set()
1828 	struct slave *slave;  in bond_option_actor_port_prio_set()  local
1830 	slave = bond_slave_get_rtnl(newval->slave_dev);  in bond_option_actor_port_prio_set()
1831 	if (!slave) {  in bond_option_actor_port_prio_set()
1832 		netdev_dbg(bond->dev, "%s called on NULL slave\n", __func__);  in bond_option_actor_port_prio_set()
1833 		return -ENODEV;  in bond_option_actor_port_prio_set()
1836 	netdev_dbg(newval->slave_dev, "Setting actor_port_prio to %llu\n",  in bond_option_actor_port_prio_set()
1837 		   newval->value);  in bond_option_actor_port_prio_set()
1839 	SLAVE_AD_INFO(slave)->port_priority = newval->value;  in bond_option_actor_port_prio_set()
1851 	if (newval->string) {  in bond_option_ad_actor_system_set()
1852 		if (!mac_pton(newval->string, macaddr))  in bond_option_ad_actor_system_set()
1856 		mac = (u8 *)&newval->value;  in bond_option_ad_actor_system_set()
1862 	netdev_dbg(bond->dev, "Setting ad_actor_system to %pM\n", mac);  in bond_option_ad_actor_system_set()
1863 	ether_addr_copy(bond->params.ad_actor_system, mac);  in bond_option_ad_actor_system_set()
1869 	netdev_err(bond->dev, "Invalid ad_actor_system MAC address.\n");  in bond_option_ad_actor_system_set()
1870 	return -EINVAL;  in bond_option_ad_actor_system_set()
1876 	netdev_dbg(bond->dev, "Setting ad_user_port_key to %llu\n",  in bond_option_ad_user_port_key_set()
1877 		   newval->value);  in bond_option_ad_user_port_key_set()
1879 	bond->params.ad_user_port_key = newval->value;  in bond_option_ad_user_port_key_set()
1886 	netdev_info(bond->dev, "Setting coupled_control to %s (%llu)\n",  in bond_option_coupled_control_set()
1887 		    newval->string, newval->value);  in bond_option_coupled_control_set()
1889 	bond->params.coupled_control = newval->value;  in bond_option_coupled_control_set()
1896 	if (bond->params.broadcast_neighbor == newval->value)  in bond_option_broadcast_neigh_set()
1899 	bond->params.broadcast_neighbor = newval->value;  in bond_option_broadcast_neigh_set()
1900 	if (bond->dev->flags & IFF_UP) {  in bond_option_broadcast_neigh_set()
1901 		if (bond->params.broadcast_neighbor)  in bond_option_broadcast_neigh_set()
1907 	netdev_dbg(bond->dev, "Setting broadcast_neighbor to %s (%llu)\n",  in bond_option_broadcast_neigh_set()
1908 		   newval->string, newval->value);  in bond_option_broadcast_neigh_set()