13d249d4cSJiri Pirko /* 20d572e45SJiri Pirko * drivers/net/team/team.c - Network team device driver 33d249d4cSJiri Pirko * Copyright (c) 2011 Jiri Pirko <jpirko@redhat.com> 43d249d4cSJiri Pirko * 53d249d4cSJiri Pirko * This program is free software; you can redistribute it and/or modify 63d249d4cSJiri Pirko * it under the terms of the GNU General Public License as published by 73d249d4cSJiri Pirko * the Free Software Foundation; either version 2 of the License, or 83d249d4cSJiri Pirko * (at your option) any later version. 93d249d4cSJiri Pirko */ 103d249d4cSJiri Pirko 113d249d4cSJiri Pirko #include <linux/kernel.h> 123d249d4cSJiri Pirko #include <linux/types.h> 133d249d4cSJiri Pirko #include <linux/module.h> 143d249d4cSJiri Pirko #include <linux/init.h> 153d249d4cSJiri Pirko #include <linux/slab.h> 163d249d4cSJiri Pirko #include <linux/rcupdate.h> 173d249d4cSJiri Pirko #include <linux/errno.h> 183d249d4cSJiri Pirko #include <linux/ctype.h> 193d249d4cSJiri Pirko #include <linux/notifier.h> 203d249d4cSJiri Pirko #include <linux/netdevice.h> 21bd2d0837SJiri Pirko #include <linux/netpoll.h> 2287002b03SJiri Pirko #include <linux/if_vlan.h> 233d249d4cSJiri Pirko #include <linux/if_arp.h> 243d249d4cSJiri Pirko #include <linux/socket.h> 253d249d4cSJiri Pirko #include <linux/etherdevice.h> 263d249d4cSJiri Pirko #include <linux/rtnetlink.h> 273d249d4cSJiri Pirko #include <net/rtnetlink.h> 283d249d4cSJiri Pirko #include <net/genetlink.h> 293d249d4cSJiri Pirko #include <net/netlink.h> 306c85f2bdSJiri Pirko #include <net/sch_generic.h> 31a16a8ee7SRoopa Prabhu #include <net/switchdev.h> 327f51c587SFlavio Leitner #include <generated/utsrelease.h> 333d249d4cSJiri Pirko #include <linux/if_team.h> 343d249d4cSJiri Pirko 353d249d4cSJiri Pirko #define DRV_NAME "team" 363d249d4cSJiri Pirko 373d249d4cSJiri Pirko 383d249d4cSJiri Pirko /********** 393d249d4cSJiri Pirko * Helpers 403d249d4cSJiri Pirko **********/ 413d249d4cSJiri Pirko 423d249d4cSJiri Pirko #define team_port_exists(dev) (dev->priv_flags & IFF_TEAM_PORT) 433d249d4cSJiri Pirko 443d249d4cSJiri Pirko static struct team_port *team_port_get_rcu(const struct net_device *dev) 453d249d4cSJiri Pirko { 4657e59563SJiri Pirko return rcu_dereference(dev->rx_handler_data); 473d249d4cSJiri Pirko } 483d249d4cSJiri Pirko 493d249d4cSJiri Pirko static struct team_port *team_port_get_rtnl(const struct net_device *dev) 503d249d4cSJiri Pirko { 513d249d4cSJiri Pirko struct team_port *port = rtnl_dereference(dev->rx_handler_data); 523d249d4cSJiri Pirko 533d249d4cSJiri Pirko return team_port_exists(dev) ? port : NULL; 543d249d4cSJiri Pirko } 553d249d4cSJiri Pirko 563d249d4cSJiri Pirko /* 571d76efe1SJiri Pirko * Since the ability to change device address for open port device is tested in 583d249d4cSJiri Pirko * team_port_add, this function can be called without control of return value 593d249d4cSJiri Pirko */ 601d76efe1SJiri Pirko static int __set_port_dev_addr(struct net_device *port_dev, 613d249d4cSJiri Pirko const unsigned char *dev_addr) 623d249d4cSJiri Pirko { 633d249d4cSJiri Pirko struct sockaddr addr; 643d249d4cSJiri Pirko 651d76efe1SJiri Pirko memcpy(addr.sa_data, dev_addr, port_dev->addr_len); 661d76efe1SJiri Pirko addr.sa_family = port_dev->type; 673d249d4cSJiri Pirko return dev_set_mac_address(port_dev, &addr); 683d249d4cSJiri Pirko } 693d249d4cSJiri Pirko 701d76efe1SJiri Pirko static int team_port_set_orig_dev_addr(struct team_port *port) 713d249d4cSJiri Pirko { 721d76efe1SJiri Pirko return __set_port_dev_addr(port->dev, port->orig.dev_addr); 733d249d4cSJiri Pirko } 743d249d4cSJiri Pirko 75acbba0d0SJiri Pirko static int team_port_set_team_dev_addr(struct team *team, 76acbba0d0SJiri Pirko struct team_port *port) 773d249d4cSJiri Pirko { 78acbba0d0SJiri Pirko return __set_port_dev_addr(port->dev, team->dev->dev_addr); 793d249d4cSJiri Pirko } 80acbba0d0SJiri Pirko 81acbba0d0SJiri Pirko int team_modeop_port_enter(struct team *team, struct team_port *port) 82acbba0d0SJiri Pirko { 83acbba0d0SJiri Pirko return team_port_set_team_dev_addr(team, port); 84acbba0d0SJiri Pirko } 85acbba0d0SJiri Pirko EXPORT_SYMBOL(team_modeop_port_enter); 86acbba0d0SJiri Pirko 87acbba0d0SJiri Pirko void team_modeop_port_change_dev_addr(struct team *team, 88acbba0d0SJiri Pirko struct team_port *port) 89acbba0d0SJiri Pirko { 90acbba0d0SJiri Pirko team_port_set_team_dev_addr(team, port); 91acbba0d0SJiri Pirko } 92acbba0d0SJiri Pirko EXPORT_SYMBOL(team_modeop_port_change_dev_addr); 933d249d4cSJiri Pirko 943a0d6c5aSJiri Pirko static void team_lower_state_changed(struct team_port *port) 953a0d6c5aSJiri Pirko { 963a0d6c5aSJiri Pirko struct netdev_lag_lower_state_info info; 973a0d6c5aSJiri Pirko 983a0d6c5aSJiri Pirko info.link_up = port->linkup; 993a0d6c5aSJiri Pirko info.tx_enabled = team_port_enabled(port); 1003a0d6c5aSJiri Pirko netdev_lower_state_changed(port->dev, &info); 1013a0d6c5aSJiri Pirko } 1023a0d6c5aSJiri Pirko 10371472ec1SJiri Pirko static void team_refresh_port_linkup(struct team_port *port) 10471472ec1SJiri Pirko { 1053a0d6c5aSJiri Pirko bool new_linkup = port->user.linkup_enabled ? port->user.linkup : 10671472ec1SJiri Pirko port->state.linkup; 1073a0d6c5aSJiri Pirko 1083a0d6c5aSJiri Pirko if (port->linkup != new_linkup) { 1093a0d6c5aSJiri Pirko port->linkup = new_linkup; 1103a0d6c5aSJiri Pirko team_lower_state_changed(port); 1113a0d6c5aSJiri Pirko } 11271472ec1SJiri Pirko } 1133d249d4cSJiri Pirko 1140f1aad2bSJiri Pirko 1153d249d4cSJiri Pirko /******************* 1163d249d4cSJiri Pirko * Options handling 1173d249d4cSJiri Pirko *******************/ 1183d249d4cSJiri Pirko 11980f7c668SJiri Pirko struct team_option_inst { /* One for each option instance */ 12080f7c668SJiri Pirko struct list_head list; 12101048d9aSJiri Pirko struct list_head tmp_list; 12280f7c668SJiri Pirko struct team_option *option; 12385d59a87SJiri Pirko struct team_option_inst_info info; 12480f7c668SJiri Pirko bool changed; 12580f7c668SJiri Pirko bool removed; 12680f7c668SJiri Pirko }; 12780f7c668SJiri Pirko 12880f7c668SJiri Pirko static struct team_option *__team_find_option(struct team *team, 12980f7c668SJiri Pirko const char *opt_name) 130358b8382SJiri Pirko { 131358b8382SJiri Pirko struct team_option *option; 132358b8382SJiri Pirko 133358b8382SJiri Pirko list_for_each_entry(option, &team->option_list, list) { 134358b8382SJiri Pirko if (strcmp(option->name, opt_name) == 0) 135358b8382SJiri Pirko return option; 136358b8382SJiri Pirko } 137358b8382SJiri Pirko return NULL; 138358b8382SJiri Pirko } 139358b8382SJiri Pirko 14080f7c668SJiri Pirko static void __team_option_inst_del(struct team_option_inst *opt_inst) 14180f7c668SJiri Pirko { 14280f7c668SJiri Pirko list_del(&opt_inst->list); 14380f7c668SJiri Pirko kfree(opt_inst); 14480f7c668SJiri Pirko } 14580f7c668SJiri Pirko 14680f7c668SJiri Pirko static void __team_option_inst_del_option(struct team *team, 14780f7c668SJiri Pirko struct team_option *option) 14880f7c668SJiri Pirko { 14980f7c668SJiri Pirko struct team_option_inst *opt_inst, *tmp; 15080f7c668SJiri Pirko 15180f7c668SJiri Pirko list_for_each_entry_safe(opt_inst, tmp, &team->option_inst_list, list) { 15280f7c668SJiri Pirko if (opt_inst->option == option) 15380f7c668SJiri Pirko __team_option_inst_del(opt_inst); 15480f7c668SJiri Pirko } 15580f7c668SJiri Pirko } 15680f7c668SJiri Pirko 157b1303326SJiri Pirko static int __team_option_inst_add(struct team *team, struct team_option *option, 158b1303326SJiri Pirko struct team_port *port) 159b1303326SJiri Pirko { 160b1303326SJiri Pirko struct team_option_inst *opt_inst; 161b1303326SJiri Pirko unsigned int array_size; 162b1303326SJiri Pirko unsigned int i; 16385d59a87SJiri Pirko int err; 164b1303326SJiri Pirko 165b1303326SJiri Pirko array_size = option->array_size; 166b1303326SJiri Pirko if (!array_size) 167b1303326SJiri Pirko array_size = 1; /* No array but still need one instance */ 168b1303326SJiri Pirko 169b1303326SJiri Pirko for (i = 0; i < array_size; i++) { 170b1303326SJiri Pirko opt_inst = kmalloc(sizeof(*opt_inst), GFP_KERNEL); 171b1303326SJiri Pirko if (!opt_inst) 172b1303326SJiri Pirko return -ENOMEM; 173b1303326SJiri Pirko opt_inst->option = option; 17485d59a87SJiri Pirko opt_inst->info.port = port; 17585d59a87SJiri Pirko opt_inst->info.array_index = i; 176b1303326SJiri Pirko opt_inst->changed = true; 177b1303326SJiri Pirko opt_inst->removed = false; 178b1303326SJiri Pirko list_add_tail(&opt_inst->list, &team->option_inst_list); 17985d59a87SJiri Pirko if (option->init) { 18085d59a87SJiri Pirko err = option->init(team, &opt_inst->info); 18185d59a87SJiri Pirko if (err) 18285d59a87SJiri Pirko return err; 18385d59a87SJiri Pirko } 18485d59a87SJiri Pirko 185b1303326SJiri Pirko } 186b1303326SJiri Pirko return 0; 187b1303326SJiri Pirko } 188b1303326SJiri Pirko 18980f7c668SJiri Pirko static int __team_option_inst_add_option(struct team *team, 19080f7c668SJiri Pirko struct team_option *option) 19180f7c668SJiri Pirko { 19280f7c668SJiri Pirko int err; 19380f7c668SJiri Pirko 194b1303326SJiri Pirko if (!option->per_port) { 195f88725ffSJiri Pirko err = __team_option_inst_add(team, option, NULL); 196b1303326SJiri Pirko if (err) 197b1303326SJiri Pirko goto inst_del_option; 198b1303326SJiri Pirko } 19980f7c668SJiri Pirko return 0; 20080f7c668SJiri Pirko 20180f7c668SJiri Pirko inst_del_option: 20280f7c668SJiri Pirko __team_option_inst_del_option(team, option); 20380f7c668SJiri Pirko return err; 20480f7c668SJiri Pirko } 20580f7c668SJiri Pirko 20680f7c668SJiri Pirko static void __team_option_inst_mark_removed_option(struct team *team, 20780f7c668SJiri Pirko struct team_option *option) 20880f7c668SJiri Pirko { 20980f7c668SJiri Pirko struct team_option_inst *opt_inst; 21080f7c668SJiri Pirko 21180f7c668SJiri Pirko list_for_each_entry(opt_inst, &team->option_inst_list, list) { 21280f7c668SJiri Pirko if (opt_inst->option == option) { 21380f7c668SJiri Pirko opt_inst->changed = true; 21480f7c668SJiri Pirko opt_inst->removed = true; 21580f7c668SJiri Pirko } 21680f7c668SJiri Pirko } 21780f7c668SJiri Pirko } 21880f7c668SJiri Pirko 21980f7c668SJiri Pirko static void __team_option_inst_del_port(struct team *team, 22080f7c668SJiri Pirko struct team_port *port) 22180f7c668SJiri Pirko { 22280f7c668SJiri Pirko struct team_option_inst *opt_inst, *tmp; 22380f7c668SJiri Pirko 22480f7c668SJiri Pirko list_for_each_entry_safe(opt_inst, tmp, &team->option_inst_list, list) { 22580f7c668SJiri Pirko if (opt_inst->option->per_port && 22685d59a87SJiri Pirko opt_inst->info.port == port) 22780f7c668SJiri Pirko __team_option_inst_del(opt_inst); 22880f7c668SJiri Pirko } 22980f7c668SJiri Pirko } 23080f7c668SJiri Pirko 23180f7c668SJiri Pirko static int __team_option_inst_add_port(struct team *team, 23280f7c668SJiri Pirko struct team_port *port) 23380f7c668SJiri Pirko { 23480f7c668SJiri Pirko struct team_option *option; 23580f7c668SJiri Pirko int err; 23680f7c668SJiri Pirko 23780f7c668SJiri Pirko list_for_each_entry(option, &team->option_list, list) { 23880f7c668SJiri Pirko if (!option->per_port) 23980f7c668SJiri Pirko continue; 24080f7c668SJiri Pirko err = __team_option_inst_add(team, option, port); 24180f7c668SJiri Pirko if (err) 24280f7c668SJiri Pirko goto inst_del_port; 24380f7c668SJiri Pirko } 24480f7c668SJiri Pirko return 0; 24580f7c668SJiri Pirko 24680f7c668SJiri Pirko inst_del_port: 24780f7c668SJiri Pirko __team_option_inst_del_port(team, port); 24880f7c668SJiri Pirko return err; 24980f7c668SJiri Pirko } 25080f7c668SJiri Pirko 25180f7c668SJiri Pirko static void __team_option_inst_mark_removed_port(struct team *team, 25280f7c668SJiri Pirko struct team_port *port) 25380f7c668SJiri Pirko { 25480f7c668SJiri Pirko struct team_option_inst *opt_inst; 25580f7c668SJiri Pirko 25680f7c668SJiri Pirko list_for_each_entry(opt_inst, &team->option_inst_list, list) { 25785d59a87SJiri Pirko if (opt_inst->info.port == port) { 25880f7c668SJiri Pirko opt_inst->changed = true; 25980f7c668SJiri Pirko opt_inst->removed = true; 26080f7c668SJiri Pirko } 26180f7c668SJiri Pirko } 26280f7c668SJiri Pirko } 26380f7c668SJiri Pirko 26480f7c668SJiri Pirko static int __team_options_register(struct team *team, 265358b8382SJiri Pirko const struct team_option *option, 2663d249d4cSJiri Pirko size_t option_count) 2673d249d4cSJiri Pirko { 2683d249d4cSJiri Pirko int i; 2692bba19ffSJiri Pirko struct team_option **dst_opts; 270358b8382SJiri Pirko int err; 2713d249d4cSJiri Pirko 2722bba19ffSJiri Pirko dst_opts = kzalloc(sizeof(struct team_option *) * option_count, 2732bba19ffSJiri Pirko GFP_KERNEL); 2742bba19ffSJiri Pirko if (!dst_opts) 2752bba19ffSJiri Pirko return -ENOMEM; 276358b8382SJiri Pirko for (i = 0; i < option_count; i++, option++) { 277358b8382SJiri Pirko if (__team_find_option(team, option->name)) { 278358b8382SJiri Pirko err = -EEXIST; 27980f7c668SJiri Pirko goto alloc_rollback; 2803d249d4cSJiri Pirko } 281f8a15af0SJiri Pirko dst_opts[i] = kmemdup(option, sizeof(*option), GFP_KERNEL); 282f8a15af0SJiri Pirko if (!dst_opts[i]) { 283358b8382SJiri Pirko err = -ENOMEM; 28480f7c668SJiri Pirko goto alloc_rollback; 285358b8382SJiri Pirko } 286358b8382SJiri Pirko } 287358b8382SJiri Pirko 288b82b9183SJiri Pirko for (i = 0; i < option_count; i++) { 28980f7c668SJiri Pirko err = __team_option_inst_add_option(team, dst_opts[i]); 29080f7c668SJiri Pirko if (err) 29180f7c668SJiri Pirko goto inst_rollback; 292358b8382SJiri Pirko list_add_tail(&dst_opts[i]->list, &team->option_list); 293b82b9183SJiri Pirko } 294358b8382SJiri Pirko 2952bba19ffSJiri Pirko kfree(dst_opts); 296358b8382SJiri Pirko return 0; 297358b8382SJiri Pirko 29880f7c668SJiri Pirko inst_rollback: 29980f7c668SJiri Pirko for (i--; i >= 0; i--) 30080f7c668SJiri Pirko __team_option_inst_del_option(team, dst_opts[i]); 30180f7c668SJiri Pirko 30280f7c668SJiri Pirko i = option_count - 1; 30380f7c668SJiri Pirko alloc_rollback: 30480f7c668SJiri Pirko for (i--; i >= 0; i--) 305358b8382SJiri Pirko kfree(dst_opts[i]); 306358b8382SJiri Pirko 3072bba19ffSJiri Pirko kfree(dst_opts); 308358b8382SJiri Pirko return err; 309358b8382SJiri Pirko } 310358b8382SJiri Pirko 311b82b9183SJiri Pirko static void __team_options_mark_removed(struct team *team, 312b82b9183SJiri Pirko const struct team_option *option, 313b82b9183SJiri Pirko size_t option_count) 314b82b9183SJiri Pirko { 315b82b9183SJiri Pirko int i; 3163d249d4cSJiri Pirko 317b82b9183SJiri Pirko for (i = 0; i < option_count; i++, option++) { 318b82b9183SJiri Pirko struct team_option *del_opt; 319b82b9183SJiri Pirko 320b82b9183SJiri Pirko del_opt = __team_find_option(team, option->name); 32180f7c668SJiri Pirko if (del_opt) 32280f7c668SJiri Pirko __team_option_inst_mark_removed_option(team, del_opt); 323b82b9183SJiri Pirko } 324b82b9183SJiri Pirko } 3253d249d4cSJiri Pirko 3263d249d4cSJiri Pirko static void __team_options_unregister(struct team *team, 327358b8382SJiri Pirko const struct team_option *option, 3283d249d4cSJiri Pirko size_t option_count) 3293d249d4cSJiri Pirko { 3303d249d4cSJiri Pirko int i; 3313d249d4cSJiri Pirko 332358b8382SJiri Pirko for (i = 0; i < option_count; i++, option++) { 333358b8382SJiri Pirko struct team_option *del_opt; 334358b8382SJiri Pirko 335358b8382SJiri Pirko del_opt = __team_find_option(team, option->name); 336358b8382SJiri Pirko if (del_opt) { 33780f7c668SJiri Pirko __team_option_inst_del_option(team, del_opt); 338358b8382SJiri Pirko list_del(&del_opt->list); 339358b8382SJiri Pirko kfree(del_opt); 340358b8382SJiri Pirko } 341358b8382SJiri Pirko } 3423d249d4cSJiri Pirko } 3433d249d4cSJiri Pirko 344b82b9183SJiri Pirko static void __team_options_change_check(struct team *team); 345b82b9183SJiri Pirko 346b82b9183SJiri Pirko int team_options_register(struct team *team, 347b82b9183SJiri Pirko const struct team_option *option, 348b82b9183SJiri Pirko size_t option_count) 349b82b9183SJiri Pirko { 350b82b9183SJiri Pirko int err; 351b82b9183SJiri Pirko 352b82b9183SJiri Pirko err = __team_options_register(team, option, option_count); 353b82b9183SJiri Pirko if (err) 354b82b9183SJiri Pirko return err; 355b82b9183SJiri Pirko __team_options_change_check(team); 356b82b9183SJiri Pirko return 0; 357b82b9183SJiri Pirko } 358b82b9183SJiri Pirko EXPORT_SYMBOL(team_options_register); 359b82b9183SJiri Pirko 360358b8382SJiri Pirko void team_options_unregister(struct team *team, 361358b8382SJiri Pirko const struct team_option *option, 3623d249d4cSJiri Pirko size_t option_count) 3633d249d4cSJiri Pirko { 364b82b9183SJiri Pirko __team_options_mark_removed(team, option, option_count); 365b82b9183SJiri Pirko __team_options_change_check(team); 3663d249d4cSJiri Pirko __team_options_unregister(team, option, option_count); 3673d249d4cSJiri Pirko } 3683d249d4cSJiri Pirko EXPORT_SYMBOL(team_options_unregister); 3693d249d4cSJiri Pirko 37080f7c668SJiri Pirko static int team_option_get(struct team *team, 37180f7c668SJiri Pirko struct team_option_inst *opt_inst, 37280f7c668SJiri Pirko struct team_gsetter_ctx *ctx) 37380f7c668SJiri Pirko { 374f82b959dSJiri Pirko if (!opt_inst->option->getter) 375f82b959dSJiri Pirko return -EOPNOTSUPP; 37680f7c668SJiri Pirko return opt_inst->option->getter(team, ctx); 37780f7c668SJiri Pirko } 37880f7c668SJiri Pirko 37980f7c668SJiri Pirko static int team_option_set(struct team *team, 38080f7c668SJiri Pirko struct team_option_inst *opt_inst, 38180f7c668SJiri Pirko struct team_gsetter_ctx *ctx) 38280f7c668SJiri Pirko { 383f82b959dSJiri Pirko if (!opt_inst->option->setter) 384f82b959dSJiri Pirko return -EOPNOTSUPP; 3852fcdb2c9SJiri Pirko return opt_inst->option->setter(team, ctx); 3863d249d4cSJiri Pirko } 3873d249d4cSJiri Pirko 3880f1aad2bSJiri Pirko void team_option_inst_set_change(struct team_option_inst_info *opt_inst_info) 3890f1aad2bSJiri Pirko { 3900f1aad2bSJiri Pirko struct team_option_inst *opt_inst; 3910f1aad2bSJiri Pirko 3920f1aad2bSJiri Pirko opt_inst = container_of(opt_inst_info, struct team_option_inst, info); 3930f1aad2bSJiri Pirko opt_inst->changed = true; 3940f1aad2bSJiri Pirko } 3950f1aad2bSJiri Pirko EXPORT_SYMBOL(team_option_inst_set_change); 3960f1aad2bSJiri Pirko 3970f1aad2bSJiri Pirko void team_options_change_check(struct team *team) 3980f1aad2bSJiri Pirko { 3990f1aad2bSJiri Pirko __team_options_change_check(team); 4000f1aad2bSJiri Pirko } 4010f1aad2bSJiri Pirko EXPORT_SYMBOL(team_options_change_check); 4020f1aad2bSJiri Pirko 4030f1aad2bSJiri Pirko 4043d249d4cSJiri Pirko /**************** 4053d249d4cSJiri Pirko * Mode handling 4063d249d4cSJiri Pirko ****************/ 4073d249d4cSJiri Pirko 4083d249d4cSJiri Pirko static LIST_HEAD(mode_list); 4093d249d4cSJiri Pirko static DEFINE_SPINLOCK(mode_list_lock); 4103d249d4cSJiri Pirko 4110402788aSJiri Pirko struct team_mode_item { 4120402788aSJiri Pirko struct list_head list; 4130402788aSJiri Pirko const struct team_mode *mode; 4140402788aSJiri Pirko }; 4153d249d4cSJiri Pirko 4160402788aSJiri Pirko static struct team_mode_item *__find_mode(const char *kind) 4170402788aSJiri Pirko { 4180402788aSJiri Pirko struct team_mode_item *mitem; 4190402788aSJiri Pirko 4200402788aSJiri Pirko list_for_each_entry(mitem, &mode_list, list) { 4210402788aSJiri Pirko if (strcmp(mitem->mode->kind, kind) == 0) 4220402788aSJiri Pirko return mitem; 4233d249d4cSJiri Pirko } 4243d249d4cSJiri Pirko return NULL; 4253d249d4cSJiri Pirko } 4263d249d4cSJiri Pirko 4273d249d4cSJiri Pirko static bool is_good_mode_name(const char *name) 4283d249d4cSJiri Pirko { 4293d249d4cSJiri Pirko while (*name != '\0') { 4303d249d4cSJiri Pirko if (!isalpha(*name) && !isdigit(*name) && *name != '_') 4313d249d4cSJiri Pirko return false; 4323d249d4cSJiri Pirko name++; 4333d249d4cSJiri Pirko } 4343d249d4cSJiri Pirko return true; 4353d249d4cSJiri Pirko } 4363d249d4cSJiri Pirko 4370402788aSJiri Pirko int team_mode_register(const struct team_mode *mode) 4383d249d4cSJiri Pirko { 4393d249d4cSJiri Pirko int err = 0; 4400402788aSJiri Pirko struct team_mode_item *mitem; 4413d249d4cSJiri Pirko 4423d249d4cSJiri Pirko if (!is_good_mode_name(mode->kind) || 4433d249d4cSJiri Pirko mode->priv_size > TEAM_MODE_PRIV_SIZE) 4443d249d4cSJiri Pirko return -EINVAL; 4450402788aSJiri Pirko 4460402788aSJiri Pirko mitem = kmalloc(sizeof(*mitem), GFP_KERNEL); 4470402788aSJiri Pirko if (!mitem) 4480402788aSJiri Pirko return -ENOMEM; 4490402788aSJiri Pirko 4503d249d4cSJiri Pirko spin_lock(&mode_list_lock); 4513d249d4cSJiri Pirko if (__find_mode(mode->kind)) { 4523d249d4cSJiri Pirko err = -EEXIST; 4530402788aSJiri Pirko kfree(mitem); 4543d249d4cSJiri Pirko goto unlock; 4553d249d4cSJiri Pirko } 4560402788aSJiri Pirko mitem->mode = mode; 4570402788aSJiri Pirko list_add_tail(&mitem->list, &mode_list); 4583d249d4cSJiri Pirko unlock: 4593d249d4cSJiri Pirko spin_unlock(&mode_list_lock); 4603d249d4cSJiri Pirko return err; 4613d249d4cSJiri Pirko } 4623d249d4cSJiri Pirko EXPORT_SYMBOL(team_mode_register); 4633d249d4cSJiri Pirko 4640402788aSJiri Pirko void team_mode_unregister(const struct team_mode *mode) 4653d249d4cSJiri Pirko { 4660402788aSJiri Pirko struct team_mode_item *mitem; 4670402788aSJiri Pirko 4683d249d4cSJiri Pirko spin_lock(&mode_list_lock); 4690402788aSJiri Pirko mitem = __find_mode(mode->kind); 4700402788aSJiri Pirko if (mitem) { 4710402788aSJiri Pirko list_del_init(&mitem->list); 4720402788aSJiri Pirko kfree(mitem); 4730402788aSJiri Pirko } 4743d249d4cSJiri Pirko spin_unlock(&mode_list_lock); 4753d249d4cSJiri Pirko } 4763d249d4cSJiri Pirko EXPORT_SYMBOL(team_mode_unregister); 4773d249d4cSJiri Pirko 4780402788aSJiri Pirko static const struct team_mode *team_mode_get(const char *kind) 4793d249d4cSJiri Pirko { 4800402788aSJiri Pirko struct team_mode_item *mitem; 4810402788aSJiri Pirko const struct team_mode *mode = NULL; 4823d249d4cSJiri Pirko 4833d249d4cSJiri Pirko spin_lock(&mode_list_lock); 4840402788aSJiri Pirko mitem = __find_mode(kind); 4850402788aSJiri Pirko if (!mitem) { 4863d249d4cSJiri Pirko spin_unlock(&mode_list_lock); 4873d249d4cSJiri Pirko request_module("team-mode-%s", kind); 4883d249d4cSJiri Pirko spin_lock(&mode_list_lock); 4890402788aSJiri Pirko mitem = __find_mode(kind); 4903d249d4cSJiri Pirko } 4910402788aSJiri Pirko if (mitem) { 4920402788aSJiri Pirko mode = mitem->mode; 4933d249d4cSJiri Pirko if (!try_module_get(mode->owner)) 4943d249d4cSJiri Pirko mode = NULL; 4950402788aSJiri Pirko } 4963d249d4cSJiri Pirko 4973d249d4cSJiri Pirko spin_unlock(&mode_list_lock); 4983d249d4cSJiri Pirko return mode; 4993d249d4cSJiri Pirko } 5003d249d4cSJiri Pirko 5013d249d4cSJiri Pirko static void team_mode_put(const struct team_mode *mode) 5023d249d4cSJiri Pirko { 5033d249d4cSJiri Pirko module_put(mode->owner); 5043d249d4cSJiri Pirko } 5053d249d4cSJiri Pirko 5063d249d4cSJiri Pirko static bool team_dummy_transmit(struct team *team, struct sk_buff *skb) 5073d249d4cSJiri Pirko { 5083d249d4cSJiri Pirko dev_kfree_skb_any(skb); 5093d249d4cSJiri Pirko return false; 5103d249d4cSJiri Pirko } 5113d249d4cSJiri Pirko 5122ea46599Sstephen hemminger static rx_handler_result_t team_dummy_receive(struct team *team, 5133d249d4cSJiri Pirko struct team_port *port, 5143d249d4cSJiri Pirko struct sk_buff *skb) 5153d249d4cSJiri Pirko { 5163d249d4cSJiri Pirko return RX_HANDLER_ANOTHER; 5173d249d4cSJiri Pirko } 5183d249d4cSJiri Pirko 519d299cd51SJiri Pirko static const struct team_mode __team_no_mode = { 520d299cd51SJiri Pirko .kind = "*NOMODE*", 521d299cd51SJiri Pirko }; 522d299cd51SJiri Pirko 523d299cd51SJiri Pirko static bool team_is_mode_set(struct team *team) 524d299cd51SJiri Pirko { 525d299cd51SJiri Pirko return team->mode != &__team_no_mode; 526d299cd51SJiri Pirko } 527d299cd51SJiri Pirko 528d299cd51SJiri Pirko static void team_set_no_mode(struct team *team) 529d299cd51SJiri Pirko { 530e185483eSFlavio Leitner team->user_carrier_enabled = false; 531d299cd51SJiri Pirko team->mode = &__team_no_mode; 532d299cd51SJiri Pirko } 533d299cd51SJiri Pirko 534735d381fSJiri Pirko static void team_adjust_ops(struct team *team) 5353d249d4cSJiri Pirko { 5363d249d4cSJiri Pirko /* 5373d249d4cSJiri Pirko * To avoid checks in rx/tx skb paths, ensure here that non-null and 5383d249d4cSJiri Pirko * correct ops are always set. 5393d249d4cSJiri Pirko */ 5403d249d4cSJiri Pirko 541735d381fSJiri Pirko if (!team->en_port_count || !team_is_mode_set(team) || 542122bb046SJiri Pirko !team->mode->ops->transmit) 5433d249d4cSJiri Pirko team->ops.transmit = team_dummy_transmit; 5443d249d4cSJiri Pirko else 5453d249d4cSJiri Pirko team->ops.transmit = team->mode->ops->transmit; 5463d249d4cSJiri Pirko 547735d381fSJiri Pirko if (!team->en_port_count || !team_is_mode_set(team) || 548122bb046SJiri Pirko !team->mode->ops->receive) 5493d249d4cSJiri Pirko team->ops.receive = team_dummy_receive; 5503d249d4cSJiri Pirko else 5513d249d4cSJiri Pirko team->ops.receive = team->mode->ops->receive; 5523d249d4cSJiri Pirko } 5533d249d4cSJiri Pirko 5543d249d4cSJiri Pirko /* 5553d249d4cSJiri Pirko * We can benefit from the fact that it's ensured no port is present 5563d249d4cSJiri Pirko * at the time of mode change. Therefore no packets are in fly so there's no 5573d249d4cSJiri Pirko * need to set mode operations in any special way. 5583d249d4cSJiri Pirko */ 5593d249d4cSJiri Pirko static int __team_change_mode(struct team *team, 5603d249d4cSJiri Pirko const struct team_mode *new_mode) 5613d249d4cSJiri Pirko { 5623d249d4cSJiri Pirko /* Check if mode was previously set and do cleanup if so */ 563d299cd51SJiri Pirko if (team_is_mode_set(team)) { 5643d249d4cSJiri Pirko void (*exit_op)(struct team *team) = team->ops.exit; 5653d249d4cSJiri Pirko 5663d249d4cSJiri Pirko /* Clear ops area so no callback is called any longer */ 5673d249d4cSJiri Pirko memset(&team->ops, 0, sizeof(struct team_mode_ops)); 5683d249d4cSJiri Pirko team_adjust_ops(team); 5693d249d4cSJiri Pirko 5703d249d4cSJiri Pirko if (exit_op) 5713d249d4cSJiri Pirko exit_op(team); 5723d249d4cSJiri Pirko team_mode_put(team->mode); 573d299cd51SJiri Pirko team_set_no_mode(team); 5743d249d4cSJiri Pirko /* zero private data area */ 5753d249d4cSJiri Pirko memset(&team->mode_priv, 0, 5763d249d4cSJiri Pirko sizeof(struct team) - offsetof(struct team, mode_priv)); 5773d249d4cSJiri Pirko } 5783d249d4cSJiri Pirko 5793d249d4cSJiri Pirko if (!new_mode) 5803d249d4cSJiri Pirko return 0; 5813d249d4cSJiri Pirko 5823d249d4cSJiri Pirko if (new_mode->ops->init) { 5833d249d4cSJiri Pirko int err; 5843d249d4cSJiri Pirko 5853d249d4cSJiri Pirko err = new_mode->ops->init(team); 5863d249d4cSJiri Pirko if (err) 5873d249d4cSJiri Pirko return err; 5883d249d4cSJiri Pirko } 5893d249d4cSJiri Pirko 5903d249d4cSJiri Pirko team->mode = new_mode; 5913d249d4cSJiri Pirko memcpy(&team->ops, new_mode->ops, sizeof(struct team_mode_ops)); 5923d249d4cSJiri Pirko team_adjust_ops(team); 5933d249d4cSJiri Pirko 5943d249d4cSJiri Pirko return 0; 5953d249d4cSJiri Pirko } 5963d249d4cSJiri Pirko 5973d249d4cSJiri Pirko static int team_change_mode(struct team *team, const char *kind) 5983d249d4cSJiri Pirko { 5990402788aSJiri Pirko const struct team_mode *new_mode; 6003d249d4cSJiri Pirko struct net_device *dev = team->dev; 6013d249d4cSJiri Pirko int err; 6023d249d4cSJiri Pirko 6033d249d4cSJiri Pirko if (!list_empty(&team->port_list)) { 6043d249d4cSJiri Pirko netdev_err(dev, "No ports can be present during mode change\n"); 6053d249d4cSJiri Pirko return -EBUSY; 6063d249d4cSJiri Pirko } 6073d249d4cSJiri Pirko 608d299cd51SJiri Pirko if (team_is_mode_set(team) && strcmp(team->mode->kind, kind) == 0) { 6093d249d4cSJiri Pirko netdev_err(dev, "Unable to change to the same mode the team is in\n"); 6103d249d4cSJiri Pirko return -EINVAL; 6113d249d4cSJiri Pirko } 6123d249d4cSJiri Pirko 6133d249d4cSJiri Pirko new_mode = team_mode_get(kind); 6143d249d4cSJiri Pirko if (!new_mode) { 6153d249d4cSJiri Pirko netdev_err(dev, "Mode \"%s\" not found\n", kind); 6163d249d4cSJiri Pirko return -EINVAL; 6173d249d4cSJiri Pirko } 6183d249d4cSJiri Pirko 6193d249d4cSJiri Pirko err = __team_change_mode(team, new_mode); 6203d249d4cSJiri Pirko if (err) { 6213d249d4cSJiri Pirko netdev_err(dev, "Failed to change to mode \"%s\"\n", kind); 6223d249d4cSJiri Pirko team_mode_put(new_mode); 6233d249d4cSJiri Pirko return err; 6243d249d4cSJiri Pirko } 6253d249d4cSJiri Pirko 6263d249d4cSJiri Pirko netdev_info(dev, "Mode changed to \"%s\"\n", kind); 6273d249d4cSJiri Pirko return 0; 6283d249d4cSJiri Pirko } 6293d249d4cSJiri Pirko 6303d249d4cSJiri Pirko 631fc423ff0SJiri Pirko /********************* 632fc423ff0SJiri Pirko * Peers notification 633fc423ff0SJiri Pirko *********************/ 634fc423ff0SJiri Pirko 635fc423ff0SJiri Pirko static void team_notify_peers_work(struct work_struct *work) 636fc423ff0SJiri Pirko { 637fc423ff0SJiri Pirko struct team *team; 638b0d11b42SJiri Pirko int val; 639fc423ff0SJiri Pirko 640fc423ff0SJiri Pirko team = container_of(work, struct team, notify_peers.dw.work); 641fc423ff0SJiri Pirko 642fc423ff0SJiri Pirko if (!rtnl_trylock()) { 643fc423ff0SJiri Pirko schedule_delayed_work(&team->notify_peers.dw, 0); 644fc423ff0SJiri Pirko return; 645fc423ff0SJiri Pirko } 646b0d11b42SJiri Pirko val = atomic_dec_if_positive(&team->notify_peers.count_pending); 647b0d11b42SJiri Pirko if (val < 0) { 648b0d11b42SJiri Pirko rtnl_unlock(); 649b0d11b42SJiri Pirko return; 650b0d11b42SJiri Pirko } 651fc423ff0SJiri Pirko call_netdevice_notifiers(NETDEV_NOTIFY_PEERS, team->dev); 652fc423ff0SJiri Pirko rtnl_unlock(); 653b0d11b42SJiri Pirko if (val) 654fc423ff0SJiri Pirko schedule_delayed_work(&team->notify_peers.dw, 655fc423ff0SJiri Pirko msecs_to_jiffies(team->notify_peers.interval)); 656fc423ff0SJiri Pirko } 657fc423ff0SJiri Pirko 658fc423ff0SJiri Pirko static void team_notify_peers(struct team *team) 659fc423ff0SJiri Pirko { 660fc423ff0SJiri Pirko if (!team->notify_peers.count || !netif_running(team->dev)) 661fc423ff0SJiri Pirko return; 66247549650SJoe Lawrence atomic_add(team->notify_peers.count, &team->notify_peers.count_pending); 663fc423ff0SJiri Pirko schedule_delayed_work(&team->notify_peers.dw, 0); 664fc423ff0SJiri Pirko } 665fc423ff0SJiri Pirko 666fc423ff0SJiri Pirko static void team_notify_peers_init(struct team *team) 667fc423ff0SJiri Pirko { 668fc423ff0SJiri Pirko INIT_DELAYED_WORK(&team->notify_peers.dw, team_notify_peers_work); 669fc423ff0SJiri Pirko } 670fc423ff0SJiri Pirko 671fc423ff0SJiri Pirko static void team_notify_peers_fini(struct team *team) 672fc423ff0SJiri Pirko { 673fc423ff0SJiri Pirko cancel_delayed_work_sync(&team->notify_peers.dw); 674fc423ff0SJiri Pirko } 675fc423ff0SJiri Pirko 676fc423ff0SJiri Pirko 677492b200eSJiri Pirko /******************************* 678492b200eSJiri Pirko * Send multicast group rejoins 679492b200eSJiri Pirko *******************************/ 680492b200eSJiri Pirko 681492b200eSJiri Pirko static void team_mcast_rejoin_work(struct work_struct *work) 682492b200eSJiri Pirko { 683492b200eSJiri Pirko struct team *team; 684b0d11b42SJiri Pirko int val; 685492b200eSJiri Pirko 686492b200eSJiri Pirko team = container_of(work, struct team, mcast_rejoin.dw.work); 687492b200eSJiri Pirko 688492b200eSJiri Pirko if (!rtnl_trylock()) { 689492b200eSJiri Pirko schedule_delayed_work(&team->mcast_rejoin.dw, 0); 690492b200eSJiri Pirko return; 691492b200eSJiri Pirko } 692b0d11b42SJiri Pirko val = atomic_dec_if_positive(&team->mcast_rejoin.count_pending); 693b0d11b42SJiri Pirko if (val < 0) { 694b0d11b42SJiri Pirko rtnl_unlock(); 695b0d11b42SJiri Pirko return; 696b0d11b42SJiri Pirko } 697492b200eSJiri Pirko call_netdevice_notifiers(NETDEV_RESEND_IGMP, team->dev); 698492b200eSJiri Pirko rtnl_unlock(); 699b0d11b42SJiri Pirko if (val) 700492b200eSJiri Pirko schedule_delayed_work(&team->mcast_rejoin.dw, 701492b200eSJiri Pirko msecs_to_jiffies(team->mcast_rejoin.interval)); 702492b200eSJiri Pirko } 703492b200eSJiri Pirko 704492b200eSJiri Pirko static void team_mcast_rejoin(struct team *team) 705492b200eSJiri Pirko { 706492b200eSJiri Pirko if (!team->mcast_rejoin.count || !netif_running(team->dev)) 707492b200eSJiri Pirko return; 70847549650SJoe Lawrence atomic_add(team->mcast_rejoin.count, &team->mcast_rejoin.count_pending); 709492b200eSJiri Pirko schedule_delayed_work(&team->mcast_rejoin.dw, 0); 710492b200eSJiri Pirko } 711492b200eSJiri Pirko 712492b200eSJiri Pirko static void team_mcast_rejoin_init(struct team *team) 713492b200eSJiri Pirko { 714492b200eSJiri Pirko INIT_DELAYED_WORK(&team->mcast_rejoin.dw, team_mcast_rejoin_work); 715492b200eSJiri Pirko } 716492b200eSJiri Pirko 717492b200eSJiri Pirko static void team_mcast_rejoin_fini(struct team *team) 718492b200eSJiri Pirko { 719492b200eSJiri Pirko cancel_delayed_work_sync(&team->mcast_rejoin.dw); 720492b200eSJiri Pirko } 721492b200eSJiri Pirko 722492b200eSJiri Pirko 7233d249d4cSJiri Pirko /************************ 7243d249d4cSJiri Pirko * Rx path frame handler 7253d249d4cSJiri Pirko ************************/ 7263d249d4cSJiri Pirko 7273d249d4cSJiri Pirko /* note: already called with rcu_read_lock */ 7283d249d4cSJiri Pirko static rx_handler_result_t team_handle_frame(struct sk_buff **pskb) 7293d249d4cSJiri Pirko { 7303d249d4cSJiri Pirko struct sk_buff *skb = *pskb; 7313d249d4cSJiri Pirko struct team_port *port; 7323d249d4cSJiri Pirko struct team *team; 7333d249d4cSJiri Pirko rx_handler_result_t res; 7343d249d4cSJiri Pirko 7353d249d4cSJiri Pirko skb = skb_share_check(skb, GFP_ATOMIC); 7363d249d4cSJiri Pirko if (!skb) 7373d249d4cSJiri Pirko return RX_HANDLER_CONSUMED; 7383d249d4cSJiri Pirko 7393d249d4cSJiri Pirko *pskb = skb; 7403d249d4cSJiri Pirko 7413d249d4cSJiri Pirko port = team_port_get_rcu(skb->dev); 7423d249d4cSJiri Pirko team = port->team; 74319a0b58eSJiri Pirko if (!team_port_enabled(port)) { 74419a0b58eSJiri Pirko /* allow exact match delivery for disabled ports */ 74519a0b58eSJiri Pirko res = RX_HANDLER_EXACT; 74619a0b58eSJiri Pirko } else { 7473d249d4cSJiri Pirko res = team->ops.receive(team, port, skb); 74819a0b58eSJiri Pirko } 7493d249d4cSJiri Pirko if (res == RX_HANDLER_ANOTHER) { 7503d249d4cSJiri Pirko struct team_pcpu_stats *pcpu_stats; 7513d249d4cSJiri Pirko 7523d249d4cSJiri Pirko pcpu_stats = this_cpu_ptr(team->pcpu_stats); 7533d249d4cSJiri Pirko u64_stats_update_begin(&pcpu_stats->syncp); 7543d249d4cSJiri Pirko pcpu_stats->rx_packets++; 7553d249d4cSJiri Pirko pcpu_stats->rx_bytes += skb->len; 7563d249d4cSJiri Pirko if (skb->pkt_type == PACKET_MULTICAST) 7573d249d4cSJiri Pirko pcpu_stats->rx_multicast++; 7583d249d4cSJiri Pirko u64_stats_update_end(&pcpu_stats->syncp); 7593d249d4cSJiri Pirko 7603d249d4cSJiri Pirko skb->dev = team->dev; 7613d249d4cSJiri Pirko } else { 7623d249d4cSJiri Pirko this_cpu_inc(team->pcpu_stats->rx_dropped); 7633d249d4cSJiri Pirko } 7643d249d4cSJiri Pirko 7653d249d4cSJiri Pirko return res; 7663d249d4cSJiri Pirko } 7673d249d4cSJiri Pirko 7683d249d4cSJiri Pirko 7698ff5105aSJiri Pirko /************************************* 7708ff5105aSJiri Pirko * Multiqueue Tx port select override 7718ff5105aSJiri Pirko *************************************/ 7728ff5105aSJiri Pirko 7738ff5105aSJiri Pirko static int team_queue_override_init(struct team *team) 7748ff5105aSJiri Pirko { 7758ff5105aSJiri Pirko struct list_head *listarr; 7768ff5105aSJiri Pirko unsigned int queue_cnt = team->dev->num_tx_queues - 1; 7778ff5105aSJiri Pirko unsigned int i; 7788ff5105aSJiri Pirko 7798ff5105aSJiri Pirko if (!queue_cnt) 7808ff5105aSJiri Pirko return 0; 7818ff5105aSJiri Pirko listarr = kmalloc(sizeof(struct list_head) * queue_cnt, GFP_KERNEL); 7828ff5105aSJiri Pirko if (!listarr) 7838ff5105aSJiri Pirko return -ENOMEM; 7848ff5105aSJiri Pirko team->qom_lists = listarr; 7858ff5105aSJiri Pirko for (i = 0; i < queue_cnt; i++) 7868ff5105aSJiri Pirko INIT_LIST_HEAD(listarr++); 7878ff5105aSJiri Pirko return 0; 7888ff5105aSJiri Pirko } 7898ff5105aSJiri Pirko 7908ff5105aSJiri Pirko static void team_queue_override_fini(struct team *team) 7918ff5105aSJiri Pirko { 7928ff5105aSJiri Pirko kfree(team->qom_lists); 7938ff5105aSJiri Pirko } 7948ff5105aSJiri Pirko 7958ff5105aSJiri Pirko static struct list_head *__team_get_qom_list(struct team *team, u16 queue_id) 7968ff5105aSJiri Pirko { 7978ff5105aSJiri Pirko return &team->qom_lists[queue_id - 1]; 7988ff5105aSJiri Pirko } 7998ff5105aSJiri Pirko 8008ff5105aSJiri Pirko /* 8018ff5105aSJiri Pirko * note: already called with rcu_read_lock 8028ff5105aSJiri Pirko */ 8038ff5105aSJiri Pirko static bool team_queue_override_transmit(struct team *team, struct sk_buff *skb) 8048ff5105aSJiri Pirko { 8058ff5105aSJiri Pirko struct list_head *qom_list; 8068ff5105aSJiri Pirko struct team_port *port; 8078ff5105aSJiri Pirko 8088ff5105aSJiri Pirko if (!team->queue_override_enabled || !skb->queue_mapping) 8098ff5105aSJiri Pirko return false; 8108ff5105aSJiri Pirko qom_list = __team_get_qom_list(team, skb->queue_mapping); 8118ff5105aSJiri Pirko list_for_each_entry_rcu(port, qom_list, qom_list) { 8128ff5105aSJiri Pirko if (!team_dev_queue_xmit(team, port, skb)) 8138ff5105aSJiri Pirko return true; 8148ff5105aSJiri Pirko } 8158ff5105aSJiri Pirko return false; 8168ff5105aSJiri Pirko } 8178ff5105aSJiri Pirko 8188ff5105aSJiri Pirko static void __team_queue_override_port_del(struct team *team, 8198ff5105aSJiri Pirko struct team_port *port) 8208ff5105aSJiri Pirko { 8216c31ff36SJiri Pirko if (!port->queue_id) 8226c31ff36SJiri Pirko return; 8238ff5105aSJiri Pirko list_del_rcu(&port->qom_list); 8248ff5105aSJiri Pirko } 8258ff5105aSJiri Pirko 8268ff5105aSJiri Pirko static bool team_queue_override_port_has_gt_prio_than(struct team_port *port, 8278ff5105aSJiri Pirko struct team_port *cur) 8288ff5105aSJiri Pirko { 8298ff5105aSJiri Pirko if (port->priority < cur->priority) 8308ff5105aSJiri Pirko return true; 8318ff5105aSJiri Pirko if (port->priority > cur->priority) 8328ff5105aSJiri Pirko return false; 8338ff5105aSJiri Pirko if (port->index < cur->index) 8348ff5105aSJiri Pirko return true; 8358ff5105aSJiri Pirko return false; 8368ff5105aSJiri Pirko } 8378ff5105aSJiri Pirko 8388ff5105aSJiri Pirko static void __team_queue_override_port_add(struct team *team, 8398ff5105aSJiri Pirko struct team_port *port) 8408ff5105aSJiri Pirko { 8418ff5105aSJiri Pirko struct team_port *cur; 8428ff5105aSJiri Pirko struct list_head *qom_list; 8438ff5105aSJiri Pirko struct list_head *node; 8448ff5105aSJiri Pirko 8456c31ff36SJiri Pirko if (!port->queue_id) 8468ff5105aSJiri Pirko return; 8478ff5105aSJiri Pirko qom_list = __team_get_qom_list(team, port->queue_id); 8488ff5105aSJiri Pirko node = qom_list; 8498ff5105aSJiri Pirko list_for_each_entry(cur, qom_list, qom_list) { 8508ff5105aSJiri Pirko if (team_queue_override_port_has_gt_prio_than(port, cur)) 8518ff5105aSJiri Pirko break; 8528ff5105aSJiri Pirko node = &cur->qom_list; 8538ff5105aSJiri Pirko } 8548ff5105aSJiri Pirko list_add_tail_rcu(&port->qom_list, node); 8558ff5105aSJiri Pirko } 8568ff5105aSJiri Pirko 8578ff5105aSJiri Pirko static void __team_queue_override_enabled_check(struct team *team) 8588ff5105aSJiri Pirko { 8598ff5105aSJiri Pirko struct team_port *port; 8608ff5105aSJiri Pirko bool enabled = false; 8618ff5105aSJiri Pirko 8628ff5105aSJiri Pirko list_for_each_entry(port, &team->port_list, list) { 8636c31ff36SJiri Pirko if (port->queue_id) { 8648ff5105aSJiri Pirko enabled = true; 8658ff5105aSJiri Pirko break; 8668ff5105aSJiri Pirko } 8678ff5105aSJiri Pirko } 8688ff5105aSJiri Pirko if (enabled == team->queue_override_enabled) 8698ff5105aSJiri Pirko return; 8708ff5105aSJiri Pirko netdev_dbg(team->dev, "%s queue override\n", 8718ff5105aSJiri Pirko enabled ? "Enabling" : "Disabling"); 8728ff5105aSJiri Pirko team->queue_override_enabled = enabled; 8738ff5105aSJiri Pirko } 8748ff5105aSJiri Pirko 8756c31ff36SJiri Pirko static void team_queue_override_port_prio_changed(struct team *team, 8766c31ff36SJiri Pirko struct team_port *port) 8776c31ff36SJiri Pirko { 8786c31ff36SJiri Pirko if (!port->queue_id || team_port_enabled(port)) 8796c31ff36SJiri Pirko return; 8806c31ff36SJiri Pirko __team_queue_override_port_del(team, port); 8816c31ff36SJiri Pirko __team_queue_override_port_add(team, port); 8826c31ff36SJiri Pirko __team_queue_override_enabled_check(team); 8836c31ff36SJiri Pirko } 8846c31ff36SJiri Pirko 8856c31ff36SJiri Pirko static void team_queue_override_port_change_queue_id(struct team *team, 8866c31ff36SJiri Pirko struct team_port *port, 8876c31ff36SJiri Pirko u16 new_queue_id) 8886c31ff36SJiri Pirko { 8896c31ff36SJiri Pirko if (team_port_enabled(port)) { 8906c31ff36SJiri Pirko __team_queue_override_port_del(team, port); 8916c31ff36SJiri Pirko port->queue_id = new_queue_id; 8926c31ff36SJiri Pirko __team_queue_override_port_add(team, port); 8936c31ff36SJiri Pirko __team_queue_override_enabled_check(team); 8946c31ff36SJiri Pirko } else { 8956c31ff36SJiri Pirko port->queue_id = new_queue_id; 8966c31ff36SJiri Pirko } 8976c31ff36SJiri Pirko } 8986c31ff36SJiri Pirko 8996c31ff36SJiri Pirko static void team_queue_override_port_add(struct team *team, 9006c31ff36SJiri Pirko struct team_port *port) 9016c31ff36SJiri Pirko { 9026c31ff36SJiri Pirko __team_queue_override_port_add(team, port); 9036c31ff36SJiri Pirko __team_queue_override_enabled_check(team); 9046c31ff36SJiri Pirko } 9056c31ff36SJiri Pirko 9066c31ff36SJiri Pirko static void team_queue_override_port_del(struct team *team, 9078ff5105aSJiri Pirko struct team_port *port) 9088ff5105aSJiri Pirko { 9098ff5105aSJiri Pirko __team_queue_override_port_del(team, port); 9108ff5105aSJiri Pirko __team_queue_override_enabled_check(team); 9118ff5105aSJiri Pirko } 9128ff5105aSJiri Pirko 9138ff5105aSJiri Pirko 9143d249d4cSJiri Pirko /**************** 9153d249d4cSJiri Pirko * Port handling 9163d249d4cSJiri Pirko ****************/ 9173d249d4cSJiri Pirko 9183d249d4cSJiri Pirko static bool team_port_find(const struct team *team, 9193d249d4cSJiri Pirko const struct team_port *port) 9203d249d4cSJiri Pirko { 9213d249d4cSJiri Pirko struct team_port *cur; 9223d249d4cSJiri Pirko 9233d249d4cSJiri Pirko list_for_each_entry(cur, &team->port_list, list) 9243d249d4cSJiri Pirko if (cur == port) 9253d249d4cSJiri Pirko return true; 9263d249d4cSJiri Pirko return false; 9273d249d4cSJiri Pirko } 9283d249d4cSJiri Pirko 9293d249d4cSJiri Pirko /* 93019a0b58eSJiri Pirko * Enable/disable port by adding to enabled port hashlist and setting 93119a0b58eSJiri Pirko * port->index (Might be racy so reader could see incorrect ifindex when 93219a0b58eSJiri Pirko * processing a flying packet, but that is not a problem). Write guarded 93319a0b58eSJiri Pirko * by team->lock. 9343d249d4cSJiri Pirko */ 93519a0b58eSJiri Pirko static void team_port_enable(struct team *team, 9363d249d4cSJiri Pirko struct team_port *port) 9373d249d4cSJiri Pirko { 93819a0b58eSJiri Pirko if (team_port_enabled(port)) 93919a0b58eSJiri Pirko return; 94019a0b58eSJiri Pirko port->index = team->en_port_count++; 9413d249d4cSJiri Pirko hlist_add_head_rcu(&port->hlist, 9423d249d4cSJiri Pirko team_port_index_hash(team, port->index)); 943122bb046SJiri Pirko team_adjust_ops(team); 9446c31ff36SJiri Pirko team_queue_override_port_add(team, port); 9454bccfd17SJiri Pirko if (team->ops.port_enabled) 9464bccfd17SJiri Pirko team->ops.port_enabled(team, port); 947fc423ff0SJiri Pirko team_notify_peers(team); 948492b200eSJiri Pirko team_mcast_rejoin(team); 9493a0d6c5aSJiri Pirko team_lower_state_changed(port); 9503d249d4cSJiri Pirko } 9513d249d4cSJiri Pirko 9523d249d4cSJiri Pirko static void __reconstruct_port_hlist(struct team *team, int rm_index) 9533d249d4cSJiri Pirko { 9543d249d4cSJiri Pirko int i; 9553d249d4cSJiri Pirko struct team_port *port; 9563d249d4cSJiri Pirko 95719a0b58eSJiri Pirko for (i = rm_index + 1; i < team->en_port_count; i++) { 9583d249d4cSJiri Pirko port = team_get_port_by_index(team, i); 9593d249d4cSJiri Pirko hlist_del_rcu(&port->hlist); 9603d249d4cSJiri Pirko port->index--; 9613d249d4cSJiri Pirko hlist_add_head_rcu(&port->hlist, 9623d249d4cSJiri Pirko team_port_index_hash(team, port->index)); 9633d249d4cSJiri Pirko } 9643d249d4cSJiri Pirko } 9653d249d4cSJiri Pirko 96619a0b58eSJiri Pirko static void team_port_disable(struct team *team, 9673d249d4cSJiri Pirko struct team_port *port) 9683d249d4cSJiri Pirko { 96919a0b58eSJiri Pirko if (!team_port_enabled(port)) 97019a0b58eSJiri Pirko return; 9714bccfd17SJiri Pirko if (team->ops.port_disabled) 9724bccfd17SJiri Pirko team->ops.port_disabled(team, port); 9733d249d4cSJiri Pirko hlist_del_rcu(&port->hlist); 974122bb046SJiri Pirko __reconstruct_port_hlist(team, port->index); 97519a0b58eSJiri Pirko port->index = -1; 976122bb046SJiri Pirko team->en_port_count--; 977735d381fSJiri Pirko team_queue_override_port_del(team, port); 978735d381fSJiri Pirko team_adjust_ops(team); 979fc423ff0SJiri Pirko team_notify_peers(team); 980492b200eSJiri Pirko team_mcast_rejoin(team); 9813a0d6c5aSJiri Pirko team_lower_state_changed(port); 9823d249d4cSJiri Pirko } 9833d249d4cSJiri Pirko 984a188222bSTom Herbert #define TEAM_VLAN_FEATURES (NETIF_F_HW_CSUM | NETIF_F_SG | \ 9853d249d4cSJiri Pirko NETIF_F_FRAGLIST | NETIF_F_ALL_TSO | \ 9863d249d4cSJiri Pirko NETIF_F_HIGHDMA | NETIF_F_LRO) 9873d249d4cSJiri Pirko 9883268e5cbSEran Ben Elisha #define TEAM_ENC_FEATURES (NETIF_F_HW_CSUM | NETIF_F_SG | \ 9893268e5cbSEran Ben Elisha NETIF_F_RXCSUM | NETIF_F_ALL_TSO) 9903268e5cbSEran Ben Elisha 9913d249d4cSJiri Pirko static void __team_compute_features(struct team *team) 9923d249d4cSJiri Pirko { 9933d249d4cSJiri Pirko struct team_port *port; 9943625920bSMichal Kubeček u32 vlan_features = TEAM_VLAN_FEATURES & NETIF_F_ALL_FOR_ALL; 9953268e5cbSEran Ben Elisha netdev_features_t enc_features = TEAM_ENC_FEATURES; 9963d249d4cSJiri Pirko unsigned short max_hard_header_len = ETH_HLEN; 99702875878SEric Dumazet unsigned int dst_release_flag = IFF_XMIT_DST_RELEASE | 99802875878SEric Dumazet IFF_XMIT_DST_RELEASE_PERM; 9993d249d4cSJiri Pirko 10003d249d4cSJiri Pirko list_for_each_entry(port, &team->port_list, list) { 10013d249d4cSJiri Pirko vlan_features = netdev_increment_features(vlan_features, 10023d249d4cSJiri Pirko port->dev->vlan_features, 10033d249d4cSJiri Pirko TEAM_VLAN_FEATURES); 10043268e5cbSEran Ben Elisha enc_features = 10053268e5cbSEran Ben Elisha netdev_increment_features(enc_features, 10063268e5cbSEran Ben Elisha port->dev->hw_enc_features, 10073268e5cbSEran Ben Elisha TEAM_ENC_FEATURES); 10083268e5cbSEran Ben Elisha 10093d249d4cSJiri Pirko 1010dc905951SJiri Pirko dst_release_flag &= port->dev->priv_flags; 10113d249d4cSJiri Pirko if (port->dev->hard_header_len > max_hard_header_len) 10123d249d4cSJiri Pirko max_hard_header_len = port->dev->hard_header_len; 10133d249d4cSJiri Pirko } 10143d249d4cSJiri Pirko 10153d249d4cSJiri Pirko team->dev->vlan_features = vlan_features; 10163268e5cbSEran Ben Elisha team->dev->hw_enc_features = enc_features | NETIF_F_GSO_ENCAP_ALL; 10173d249d4cSJiri Pirko team->dev->hard_header_len = max_hard_header_len; 10183d249d4cSJiri Pirko 101902875878SEric Dumazet team->dev->priv_flags &= ~IFF_XMIT_DST_RELEASE; 102002875878SEric Dumazet if (dst_release_flag == (IFF_XMIT_DST_RELEASE | IFF_XMIT_DST_RELEASE_PERM)) 102102875878SEric Dumazet team->dev->priv_flags |= IFF_XMIT_DST_RELEASE; 1022dc905951SJiri Pirko 10233d249d4cSJiri Pirko netdev_change_features(team->dev); 10243d249d4cSJiri Pirko } 10253d249d4cSJiri Pirko 10263d249d4cSJiri Pirko static void team_compute_features(struct team *team) 10273d249d4cSJiri Pirko { 102861dc3461SJiri Pirko mutex_lock(&team->lock); 10293d249d4cSJiri Pirko __team_compute_features(team); 103061dc3461SJiri Pirko mutex_unlock(&team->lock); 10313d249d4cSJiri Pirko } 10323d249d4cSJiri Pirko 10333d249d4cSJiri Pirko static int team_port_enter(struct team *team, struct team_port *port) 10343d249d4cSJiri Pirko { 10353d249d4cSJiri Pirko int err = 0; 10363d249d4cSJiri Pirko 10373d249d4cSJiri Pirko dev_hold(team->dev); 10383d249d4cSJiri Pirko if (team->ops.port_enter) { 10393d249d4cSJiri Pirko err = team->ops.port_enter(team, port); 10403d249d4cSJiri Pirko if (err) { 10413d249d4cSJiri Pirko netdev_err(team->dev, "Device %s failed to enter team mode\n", 10423d249d4cSJiri Pirko port->dev->name); 10433d249d4cSJiri Pirko goto err_port_enter; 10443d249d4cSJiri Pirko } 10453d249d4cSJiri Pirko } 10463d249d4cSJiri Pirko 10473d249d4cSJiri Pirko return 0; 10483d249d4cSJiri Pirko 10493d249d4cSJiri Pirko err_port_enter: 10503d249d4cSJiri Pirko dev_put(team->dev); 10513d249d4cSJiri Pirko 10523d249d4cSJiri Pirko return err; 10533d249d4cSJiri Pirko } 10543d249d4cSJiri Pirko 10553d249d4cSJiri Pirko static void team_port_leave(struct team *team, struct team_port *port) 10563d249d4cSJiri Pirko { 10573d249d4cSJiri Pirko if (team->ops.port_leave) 10583d249d4cSJiri Pirko team->ops.port_leave(team, port); 10593d249d4cSJiri Pirko dev_put(team->dev); 10603d249d4cSJiri Pirko } 10613d249d4cSJiri Pirko 1062bd2d0837SJiri Pirko #ifdef CONFIG_NET_POLL_CONTROLLER 1063a8779ec1SEric W. Biederman static int team_port_enable_netpoll(struct team *team, struct team_port *port) 1064bd2d0837SJiri Pirko { 1065bd2d0837SJiri Pirko struct netpoll *np; 1066bd2d0837SJiri Pirko int err; 1067bd2d0837SJiri Pirko 10680fb52a27Sstephen hemminger if (!team->dev->npinfo) 10690fb52a27Sstephen hemminger return 0; 10700fb52a27Sstephen hemminger 1071a8779ec1SEric W. Biederman np = kzalloc(sizeof(*np), GFP_KERNEL); 1072bd2d0837SJiri Pirko if (!np) 1073bd2d0837SJiri Pirko return -ENOMEM; 1074bd2d0837SJiri Pirko 1075a8779ec1SEric W. Biederman err = __netpoll_setup(np, port->dev); 1076bd2d0837SJiri Pirko if (err) { 1077bd2d0837SJiri Pirko kfree(np); 1078bd2d0837SJiri Pirko return err; 1079bd2d0837SJiri Pirko } 1080bd2d0837SJiri Pirko port->np = np; 1081bd2d0837SJiri Pirko return err; 1082bd2d0837SJiri Pirko } 1083bd2d0837SJiri Pirko 1084bd2d0837SJiri Pirko static void team_port_disable_netpoll(struct team_port *port) 1085bd2d0837SJiri Pirko { 1086bd2d0837SJiri Pirko struct netpoll *np = port->np; 1087bd2d0837SJiri Pirko 1088bd2d0837SJiri Pirko if (!np) 1089bd2d0837SJiri Pirko return; 1090bd2d0837SJiri Pirko port->np = NULL; 1091bd2d0837SJiri Pirko 1092bd2d0837SJiri Pirko /* Wait for transmitting packets to finish before freeing. */ 1093bd2d0837SJiri Pirko synchronize_rcu_bh(); 1094bd2d0837SJiri Pirko __netpoll_cleanup(np); 1095bd2d0837SJiri Pirko kfree(np); 1096bd2d0837SJiri Pirko } 1097bd2d0837SJiri Pirko #else 1098a8779ec1SEric W. Biederman static int team_port_enable_netpoll(struct team *team, struct team_port *port) 1099bd2d0837SJiri Pirko { 1100bd2d0837SJiri Pirko return 0; 1101bd2d0837SJiri Pirko } 1102bd2d0837SJiri Pirko static void team_port_disable_netpoll(struct team_port *port) 1103bd2d0837SJiri Pirko { 1104bd2d0837SJiri Pirko } 1105bd2d0837SJiri Pirko #endif 1106bd2d0837SJiri Pirko 11078fd72856SJiri Pirko static int team_upper_dev_link(struct team *team, struct team_port *port) 1108d7d3c051SJiri Pirko { 11098fd72856SJiri Pirko struct netdev_lag_upper_info lag_upper_info; 1110d7d3c051SJiri Pirko int err; 1111d7d3c051SJiri Pirko 11128fd72856SJiri Pirko lag_upper_info.tx_type = team->mode->lag_tx_type; 11138fd72856SJiri Pirko err = netdev_master_upper_dev_link(port->dev, team->dev, NULL, 11148fd72856SJiri Pirko &lag_upper_info); 1115d7d3c051SJiri Pirko if (err) 1116d7d3c051SJiri Pirko return err; 11178fd72856SJiri Pirko port->dev->priv_flags |= IFF_TEAM_PORT; 1118d7d3c051SJiri Pirko return 0; 1119d7d3c051SJiri Pirko } 1120d7d3c051SJiri Pirko 11218fd72856SJiri Pirko static void team_upper_dev_unlink(struct team *team, struct team_port *port) 1122d7d3c051SJiri Pirko { 11238fd72856SJiri Pirko netdev_upper_dev_unlink(port->dev, team->dev); 11248fd72856SJiri Pirko port->dev->priv_flags &= ~IFF_TEAM_PORT; 1125d7d3c051SJiri Pirko } 1126d7d3c051SJiri Pirko 112710f3f51dSJiri Pirko static void __team_port_change_port_added(struct team_port *port, bool linkup); 11281d76efe1SJiri Pirko static int team_dev_type_check_change(struct net_device *dev, 11291d76efe1SJiri Pirko struct net_device *port_dev); 11303d249d4cSJiri Pirko 11313d249d4cSJiri Pirko static int team_port_add(struct team *team, struct net_device *port_dev) 11323d249d4cSJiri Pirko { 11333d249d4cSJiri Pirko struct net_device *dev = team->dev; 11343d249d4cSJiri Pirko struct team_port *port; 11353d249d4cSJiri Pirko char *portname = port_dev->name; 11363d249d4cSJiri Pirko int err; 11373d249d4cSJiri Pirko 11381d76efe1SJiri Pirko if (port_dev->flags & IFF_LOOPBACK) { 11391d76efe1SJiri Pirko netdev_err(dev, "Device %s is loopback device. Loopback devices can't be added as a team port\n", 11403d249d4cSJiri Pirko portname); 11413d249d4cSJiri Pirko return -EINVAL; 11423d249d4cSJiri Pirko } 11433d249d4cSJiri Pirko 11443d249d4cSJiri Pirko if (team_port_exists(port_dev)) { 11453d249d4cSJiri Pirko netdev_err(dev, "Device %s is already a port " 11463d249d4cSJiri Pirko "of a team device\n", portname); 11473d249d4cSJiri Pirko return -EBUSY; 11483d249d4cSJiri Pirko } 11493d249d4cSJiri Pirko 11502c33bb37SJiri Pirko if (port_dev->features & NETIF_F_VLAN_CHALLENGED && 11512c33bb37SJiri Pirko vlan_uses_dev(dev)) { 11522c33bb37SJiri Pirko netdev_err(dev, "Device %s is VLAN challenged and team device has VLAN set up\n", 11532c33bb37SJiri Pirko portname); 11542c33bb37SJiri Pirko return -EPERM; 11552c33bb37SJiri Pirko } 11562c33bb37SJiri Pirko 11571d76efe1SJiri Pirko err = team_dev_type_check_change(dev, port_dev); 11581d76efe1SJiri Pirko if (err) 11591d76efe1SJiri Pirko return err; 11601d76efe1SJiri Pirko 11613d249d4cSJiri Pirko if (port_dev->flags & IFF_UP) { 11623d249d4cSJiri Pirko netdev_err(dev, "Device %s is up. Set it down before adding it as a team port\n", 11633d249d4cSJiri Pirko portname); 11643d249d4cSJiri Pirko return -EBUSY; 11653d249d4cSJiri Pirko } 11663d249d4cSJiri Pirko 11675149ee58SJiri Pirko port = kzalloc(sizeof(struct team_port) + team->mode->port_priv_size, 11685149ee58SJiri Pirko GFP_KERNEL); 11693d249d4cSJiri Pirko if (!port) 11703d249d4cSJiri Pirko return -ENOMEM; 11713d249d4cSJiri Pirko 11723d249d4cSJiri Pirko port->dev = port_dev; 11733d249d4cSJiri Pirko port->team = team; 11748ff5105aSJiri Pirko INIT_LIST_HEAD(&port->qom_list); 11753d249d4cSJiri Pirko 11763d249d4cSJiri Pirko port->orig.mtu = port_dev->mtu; 11773d249d4cSJiri Pirko err = dev_set_mtu(port_dev, dev->mtu); 11783d249d4cSJiri Pirko if (err) { 11793d249d4cSJiri Pirko netdev_dbg(dev, "Error %d calling dev_set_mtu\n", err); 11803d249d4cSJiri Pirko goto err_set_mtu; 11813d249d4cSJiri Pirko } 11823d249d4cSJiri Pirko 11831d76efe1SJiri Pirko memcpy(port->orig.dev_addr, port_dev->dev_addr, port_dev->addr_len); 11843d249d4cSJiri Pirko 11853d249d4cSJiri Pirko err = team_port_enter(team, port); 11863d249d4cSJiri Pirko if (err) { 11873d249d4cSJiri Pirko netdev_err(dev, "Device %s failed to enter team mode\n", 11883d249d4cSJiri Pirko portname); 11893d249d4cSJiri Pirko goto err_port_enter; 11903d249d4cSJiri Pirko } 11913d249d4cSJiri Pirko 11923d249d4cSJiri Pirko err = dev_open(port_dev); 11933d249d4cSJiri Pirko if (err) { 11943d249d4cSJiri Pirko netdev_dbg(dev, "Device %s opening failed\n", 11953d249d4cSJiri Pirko portname); 11963d249d4cSJiri Pirko goto err_dev_open; 11973d249d4cSJiri Pirko } 11983d249d4cSJiri Pirko 119957459185SJiri Pirko err = vlan_vids_add_by_dev(port_dev, dev); 120057459185SJiri Pirko if (err) { 120157459185SJiri Pirko netdev_err(dev, "Failed to add vlan ids to device %s\n", 120257459185SJiri Pirko portname); 120357459185SJiri Pirko goto err_vids_add; 120457459185SJiri Pirko } 120557459185SJiri Pirko 1206a8779ec1SEric W. Biederman err = team_port_enable_netpoll(team, port); 1207bd2d0837SJiri Pirko if (err) { 1208bd2d0837SJiri Pirko netdev_err(dev, "Failed to enable netpoll on device %s\n", 1209bd2d0837SJiri Pirko portname); 1210bd2d0837SJiri Pirko goto err_enable_netpoll; 1211bd2d0837SJiri Pirko } 1212bd2d0837SJiri Pirko 1213fbe168baSMichal Kubeček if (!(dev->features & NETIF_F_LRO)) 1214fbe168baSMichal Kubeček dev_disable_lro(port_dev); 1215fbe168baSMichal Kubeček 12163d249d4cSJiri Pirko err = netdev_rx_handler_register(port_dev, team_handle_frame, 12173d249d4cSJiri Pirko port); 12183d249d4cSJiri Pirko if (err) { 12193d249d4cSJiri Pirko netdev_err(dev, "Device %s failed to register rx_handler\n", 12203d249d4cSJiri Pirko portname); 12213d249d4cSJiri Pirko goto err_handler_register; 12223d249d4cSJiri Pirko } 12233d249d4cSJiri Pirko 12248fd72856SJiri Pirko err = team_upper_dev_link(team, port); 1225d7d3c051SJiri Pirko if (err) { 1226d7d3c051SJiri Pirko netdev_err(dev, "Device %s failed to set upper link\n", 1227d7d3c051SJiri Pirko portname); 1228d7d3c051SJiri Pirko goto err_set_upper_link; 1229d7d3c051SJiri Pirko } 1230d7d3c051SJiri Pirko 123135b384bdSJiri Pirko err = __team_option_inst_add_port(team, port); 123280f7c668SJiri Pirko if (err) { 123380f7c668SJiri Pirko netdev_err(dev, "Device %s failed to add per-port options\n", 123480f7c668SJiri Pirko portname); 123580f7c668SJiri Pirko goto err_option_port_add; 123680f7c668SJiri Pirko } 123780f7c668SJiri Pirko 123819a0b58eSJiri Pirko port->index = -1; 123919a0b58eSJiri Pirko list_add_tail_rcu(&port->list, &team->port_list); 124072df935dSJiri Pirko team_port_enable(team, port); 12413d249d4cSJiri Pirko __team_compute_features(team); 124210f3f51dSJiri Pirko __team_port_change_port_added(port, !!netif_carrier_ok(port_dev)); 124335b384bdSJiri Pirko __team_options_change_check(team); 12443d249d4cSJiri Pirko 12453d249d4cSJiri Pirko netdev_info(dev, "Port device %s added\n", portname); 12463d249d4cSJiri Pirko 12473d249d4cSJiri Pirko return 0; 12483d249d4cSJiri Pirko 124980f7c668SJiri Pirko err_option_port_add: 12508fd72856SJiri Pirko team_upper_dev_unlink(team, port); 1251d7d3c051SJiri Pirko 1252d7d3c051SJiri Pirko err_set_upper_link: 125380f7c668SJiri Pirko netdev_rx_handler_unregister(port_dev); 125480f7c668SJiri Pirko 12553d249d4cSJiri Pirko err_handler_register: 1256bd2d0837SJiri Pirko team_port_disable_netpoll(port); 1257bd2d0837SJiri Pirko 1258bd2d0837SJiri Pirko err_enable_netpoll: 125957459185SJiri Pirko vlan_vids_del_by_dev(port_dev, dev); 126057459185SJiri Pirko 126157459185SJiri Pirko err_vids_add: 12623d249d4cSJiri Pirko dev_close(port_dev); 12633d249d4cSJiri Pirko 12643d249d4cSJiri Pirko err_dev_open: 12653d249d4cSJiri Pirko team_port_leave(team, port); 12661d76efe1SJiri Pirko team_port_set_orig_dev_addr(port); 12673d249d4cSJiri Pirko 12683d249d4cSJiri Pirko err_port_enter: 12693d249d4cSJiri Pirko dev_set_mtu(port_dev, port->orig.mtu); 12703d249d4cSJiri Pirko 12713d249d4cSJiri Pirko err_set_mtu: 12723d249d4cSJiri Pirko kfree(port); 12733d249d4cSJiri Pirko 12743d249d4cSJiri Pirko return err; 12753d249d4cSJiri Pirko } 12763d249d4cSJiri Pirko 127710f3f51dSJiri Pirko static void __team_port_change_port_removed(struct team_port *port); 127810f3f51dSJiri Pirko 12793d249d4cSJiri Pirko static int team_port_del(struct team *team, struct net_device *port_dev) 12803d249d4cSJiri Pirko { 12813d249d4cSJiri Pirko struct net_device *dev = team->dev; 12823d249d4cSJiri Pirko struct team_port *port; 12833d249d4cSJiri Pirko char *portname = port_dev->name; 12843d249d4cSJiri Pirko 12853d249d4cSJiri Pirko port = team_port_get_rtnl(port_dev); 12863d249d4cSJiri Pirko if (!port || !team_port_find(team, port)) { 12873d249d4cSJiri Pirko netdev_err(dev, "Device %s does not act as a port of this team\n", 12883d249d4cSJiri Pirko portname); 12893d249d4cSJiri Pirko return -ENOENT; 12903d249d4cSJiri Pirko } 12913d249d4cSJiri Pirko 129219a0b58eSJiri Pirko team_port_disable(team, port); 129319a0b58eSJiri Pirko list_del_rcu(&port->list); 12948fd72856SJiri Pirko team_upper_dev_unlink(team, port); 12953d249d4cSJiri Pirko netdev_rx_handler_unregister(port_dev); 1296bd2d0837SJiri Pirko team_port_disable_netpoll(port); 129757459185SJiri Pirko vlan_vids_del_by_dev(port_dev, dev); 1298ba81276bSVlad Yasevich dev_uc_unsync(port_dev, dev); 1299ba81276bSVlad Yasevich dev_mc_unsync(port_dev, dev); 13003d249d4cSJiri Pirko dev_close(port_dev); 13013d249d4cSJiri Pirko team_port_leave(team, port); 1302c3969d80SJiri Pirko 1303c3969d80SJiri Pirko __team_option_inst_mark_removed_port(team, port); 1304c3969d80SJiri Pirko __team_options_change_check(team); 1305c3969d80SJiri Pirko __team_option_inst_del_port(team, port); 1306c3969d80SJiri Pirko __team_port_change_port_removed(port); 1307c3969d80SJiri Pirko 13081d76efe1SJiri Pirko team_port_set_orig_dev_addr(port); 13093d249d4cSJiri Pirko dev_set_mtu(port_dev, port->orig.mtu); 1310d80b35beSJiri Pirko kfree_rcu(port, rcu); 13113d249d4cSJiri Pirko netdev_info(dev, "Port device %s removed\n", portname); 13123d249d4cSJiri Pirko __team_compute_features(team); 13133d249d4cSJiri Pirko 13143d249d4cSJiri Pirko return 0; 13153d249d4cSJiri Pirko } 13163d249d4cSJiri Pirko 13173d249d4cSJiri Pirko 13183d249d4cSJiri Pirko /***************** 13193d249d4cSJiri Pirko * Net device ops 13203d249d4cSJiri Pirko *****************/ 13213d249d4cSJiri Pirko 132280f7c668SJiri Pirko static int team_mode_option_get(struct team *team, struct team_gsetter_ctx *ctx) 13233d249d4cSJiri Pirko { 1324d299cd51SJiri Pirko ctx->data.str_val = team->mode->kind; 13253d249d4cSJiri Pirko return 0; 13263d249d4cSJiri Pirko } 13273d249d4cSJiri Pirko 132880f7c668SJiri Pirko static int team_mode_option_set(struct team *team, struct team_gsetter_ctx *ctx) 13293d249d4cSJiri Pirko { 133080f7c668SJiri Pirko return team_change_mode(team, ctx->data.str_val); 13313d249d4cSJiri Pirko } 13323d249d4cSJiri Pirko 1333fc423ff0SJiri Pirko static int team_notify_peers_count_get(struct team *team, 1334fc423ff0SJiri Pirko struct team_gsetter_ctx *ctx) 1335fc423ff0SJiri Pirko { 1336fc423ff0SJiri Pirko ctx->data.u32_val = team->notify_peers.count; 1337fc423ff0SJiri Pirko return 0; 1338fc423ff0SJiri Pirko } 1339fc423ff0SJiri Pirko 1340fc423ff0SJiri Pirko static int team_notify_peers_count_set(struct team *team, 1341fc423ff0SJiri Pirko struct team_gsetter_ctx *ctx) 1342fc423ff0SJiri Pirko { 1343fc423ff0SJiri Pirko team->notify_peers.count = ctx->data.u32_val; 1344fc423ff0SJiri Pirko return 0; 1345fc423ff0SJiri Pirko } 1346fc423ff0SJiri Pirko 1347fc423ff0SJiri Pirko static int team_notify_peers_interval_get(struct team *team, 1348fc423ff0SJiri Pirko struct team_gsetter_ctx *ctx) 1349fc423ff0SJiri Pirko { 1350fc423ff0SJiri Pirko ctx->data.u32_val = team->notify_peers.interval; 1351fc423ff0SJiri Pirko return 0; 1352fc423ff0SJiri Pirko } 1353fc423ff0SJiri Pirko 1354fc423ff0SJiri Pirko static int team_notify_peers_interval_set(struct team *team, 1355fc423ff0SJiri Pirko struct team_gsetter_ctx *ctx) 1356fc423ff0SJiri Pirko { 1357fc423ff0SJiri Pirko team->notify_peers.interval = ctx->data.u32_val; 1358fc423ff0SJiri Pirko return 0; 1359fc423ff0SJiri Pirko } 1360fc423ff0SJiri Pirko 1361492b200eSJiri Pirko static int team_mcast_rejoin_count_get(struct team *team, 1362492b200eSJiri Pirko struct team_gsetter_ctx *ctx) 1363492b200eSJiri Pirko { 1364492b200eSJiri Pirko ctx->data.u32_val = team->mcast_rejoin.count; 1365492b200eSJiri Pirko return 0; 1366492b200eSJiri Pirko } 1367492b200eSJiri Pirko 1368492b200eSJiri Pirko static int team_mcast_rejoin_count_set(struct team *team, 1369492b200eSJiri Pirko struct team_gsetter_ctx *ctx) 1370492b200eSJiri Pirko { 1371492b200eSJiri Pirko team->mcast_rejoin.count = ctx->data.u32_val; 1372492b200eSJiri Pirko return 0; 1373492b200eSJiri Pirko } 1374492b200eSJiri Pirko 1375492b200eSJiri Pirko static int team_mcast_rejoin_interval_get(struct team *team, 1376492b200eSJiri Pirko struct team_gsetter_ctx *ctx) 1377492b200eSJiri Pirko { 1378492b200eSJiri Pirko ctx->data.u32_val = team->mcast_rejoin.interval; 1379492b200eSJiri Pirko return 0; 1380492b200eSJiri Pirko } 1381492b200eSJiri Pirko 1382492b200eSJiri Pirko static int team_mcast_rejoin_interval_set(struct team *team, 1383492b200eSJiri Pirko struct team_gsetter_ctx *ctx) 1384492b200eSJiri Pirko { 1385492b200eSJiri Pirko team->mcast_rejoin.interval = ctx->data.u32_val; 1386492b200eSJiri Pirko return 0; 1387492b200eSJiri Pirko } 1388492b200eSJiri Pirko 1389acd69962SJiri Pirko static int team_port_en_option_get(struct team *team, 1390acd69962SJiri Pirko struct team_gsetter_ctx *ctx) 1391acd69962SJiri Pirko { 139285d59a87SJiri Pirko struct team_port *port = ctx->info->port; 139385d59a87SJiri Pirko 139485d59a87SJiri Pirko ctx->data.bool_val = team_port_enabled(port); 1395acd69962SJiri Pirko return 0; 1396acd69962SJiri Pirko } 1397acd69962SJiri Pirko 1398acd69962SJiri Pirko static int team_port_en_option_set(struct team *team, 1399acd69962SJiri Pirko struct team_gsetter_ctx *ctx) 1400acd69962SJiri Pirko { 140185d59a87SJiri Pirko struct team_port *port = ctx->info->port; 140285d59a87SJiri Pirko 1403acd69962SJiri Pirko if (ctx->data.bool_val) 140485d59a87SJiri Pirko team_port_enable(team, port); 1405acd69962SJiri Pirko else 140685d59a87SJiri Pirko team_port_disable(team, port); 1407acd69962SJiri Pirko return 0; 1408acd69962SJiri Pirko } 1409acd69962SJiri Pirko 141071472ec1SJiri Pirko static int team_user_linkup_option_get(struct team *team, 141171472ec1SJiri Pirko struct team_gsetter_ctx *ctx) 141271472ec1SJiri Pirko { 141385d59a87SJiri Pirko struct team_port *port = ctx->info->port; 141485d59a87SJiri Pirko 141585d59a87SJiri Pirko ctx->data.bool_val = port->user.linkup; 141671472ec1SJiri Pirko return 0; 141771472ec1SJiri Pirko } 141871472ec1SJiri Pirko 1419f5e0d343SJiri Pirko static void __team_carrier_check(struct team *team); 1420f5e0d343SJiri Pirko 142171472ec1SJiri Pirko static int team_user_linkup_option_set(struct team *team, 142271472ec1SJiri Pirko struct team_gsetter_ctx *ctx) 142371472ec1SJiri Pirko { 142485d59a87SJiri Pirko struct team_port *port = ctx->info->port; 142585d59a87SJiri Pirko 142685d59a87SJiri Pirko port->user.linkup = ctx->data.bool_val; 142785d59a87SJiri Pirko team_refresh_port_linkup(port); 1428f5e0d343SJiri Pirko __team_carrier_check(port->team); 142971472ec1SJiri Pirko return 0; 143071472ec1SJiri Pirko } 143171472ec1SJiri Pirko 143271472ec1SJiri Pirko static int team_user_linkup_en_option_get(struct team *team, 143371472ec1SJiri Pirko struct team_gsetter_ctx *ctx) 143471472ec1SJiri Pirko { 143585d59a87SJiri Pirko struct team_port *port = ctx->info->port; 143671472ec1SJiri Pirko 143771472ec1SJiri Pirko ctx->data.bool_val = port->user.linkup_enabled; 143871472ec1SJiri Pirko return 0; 143971472ec1SJiri Pirko } 144071472ec1SJiri Pirko 144171472ec1SJiri Pirko static int team_user_linkup_en_option_set(struct team *team, 144271472ec1SJiri Pirko struct team_gsetter_ctx *ctx) 144371472ec1SJiri Pirko { 144485d59a87SJiri Pirko struct team_port *port = ctx->info->port; 144571472ec1SJiri Pirko 144671472ec1SJiri Pirko port->user.linkup_enabled = ctx->data.bool_val; 144785d59a87SJiri Pirko team_refresh_port_linkup(port); 1448f5e0d343SJiri Pirko __team_carrier_check(port->team); 144971472ec1SJiri Pirko return 0; 145071472ec1SJiri Pirko } 145171472ec1SJiri Pirko 1452a86fc6b7SJiri Pirko static int team_priority_option_get(struct team *team, 1453a86fc6b7SJiri Pirko struct team_gsetter_ctx *ctx) 1454a86fc6b7SJiri Pirko { 1455a86fc6b7SJiri Pirko struct team_port *port = ctx->info->port; 1456a86fc6b7SJiri Pirko 1457a86fc6b7SJiri Pirko ctx->data.s32_val = port->priority; 1458a86fc6b7SJiri Pirko return 0; 1459a86fc6b7SJiri Pirko } 1460a86fc6b7SJiri Pirko 1461a86fc6b7SJiri Pirko static int team_priority_option_set(struct team *team, 1462a86fc6b7SJiri Pirko struct team_gsetter_ctx *ctx) 1463a86fc6b7SJiri Pirko { 1464a86fc6b7SJiri Pirko struct team_port *port = ctx->info->port; 14656c31ff36SJiri Pirko s32 priority = ctx->data.s32_val; 1466a86fc6b7SJiri Pirko 14676c31ff36SJiri Pirko if (port->priority == priority) 14686c31ff36SJiri Pirko return 0; 14696c31ff36SJiri Pirko port->priority = priority; 14706c31ff36SJiri Pirko team_queue_override_port_prio_changed(team, port); 1471a86fc6b7SJiri Pirko return 0; 1472a86fc6b7SJiri Pirko } 1473a86fc6b7SJiri Pirko 14748ff5105aSJiri Pirko static int team_queue_id_option_get(struct team *team, 14758ff5105aSJiri Pirko struct team_gsetter_ctx *ctx) 14768ff5105aSJiri Pirko { 14778ff5105aSJiri Pirko struct team_port *port = ctx->info->port; 14788ff5105aSJiri Pirko 14798ff5105aSJiri Pirko ctx->data.u32_val = port->queue_id; 14808ff5105aSJiri Pirko return 0; 14818ff5105aSJiri Pirko } 14828ff5105aSJiri Pirko 14838ff5105aSJiri Pirko static int team_queue_id_option_set(struct team *team, 14848ff5105aSJiri Pirko struct team_gsetter_ctx *ctx) 14858ff5105aSJiri Pirko { 14868ff5105aSJiri Pirko struct team_port *port = ctx->info->port; 14876c31ff36SJiri Pirko u16 new_queue_id = ctx->data.u32_val; 14888ff5105aSJiri Pirko 14896c31ff36SJiri Pirko if (port->queue_id == new_queue_id) 14908ff5105aSJiri Pirko return 0; 14916c31ff36SJiri Pirko if (new_queue_id >= team->dev->real_num_tx_queues) 14928ff5105aSJiri Pirko return -EINVAL; 14936c31ff36SJiri Pirko team_queue_override_port_change_queue_id(team, port, new_queue_id); 14948ff5105aSJiri Pirko return 0; 14958ff5105aSJiri Pirko } 14968ff5105aSJiri Pirko 1497358b8382SJiri Pirko static const struct team_option team_options[] = { 14983d249d4cSJiri Pirko { 14993d249d4cSJiri Pirko .name = "mode", 15003d249d4cSJiri Pirko .type = TEAM_OPTION_TYPE_STRING, 15013d249d4cSJiri Pirko .getter = team_mode_option_get, 15023d249d4cSJiri Pirko .setter = team_mode_option_set, 15033d249d4cSJiri Pirko }, 150471472ec1SJiri Pirko { 1505fc423ff0SJiri Pirko .name = "notify_peers_count", 1506fc423ff0SJiri Pirko .type = TEAM_OPTION_TYPE_U32, 1507fc423ff0SJiri Pirko .getter = team_notify_peers_count_get, 1508fc423ff0SJiri Pirko .setter = team_notify_peers_count_set, 1509fc423ff0SJiri Pirko }, 1510fc423ff0SJiri Pirko { 1511fc423ff0SJiri Pirko .name = "notify_peers_interval", 1512fc423ff0SJiri Pirko .type = TEAM_OPTION_TYPE_U32, 1513fc423ff0SJiri Pirko .getter = team_notify_peers_interval_get, 1514fc423ff0SJiri Pirko .setter = team_notify_peers_interval_set, 1515fc423ff0SJiri Pirko }, 1516fc423ff0SJiri Pirko { 1517492b200eSJiri Pirko .name = "mcast_rejoin_count", 1518492b200eSJiri Pirko .type = TEAM_OPTION_TYPE_U32, 1519492b200eSJiri Pirko .getter = team_mcast_rejoin_count_get, 1520492b200eSJiri Pirko .setter = team_mcast_rejoin_count_set, 1521492b200eSJiri Pirko }, 1522492b200eSJiri Pirko { 1523492b200eSJiri Pirko .name = "mcast_rejoin_interval", 1524492b200eSJiri Pirko .type = TEAM_OPTION_TYPE_U32, 1525492b200eSJiri Pirko .getter = team_mcast_rejoin_interval_get, 1526492b200eSJiri Pirko .setter = team_mcast_rejoin_interval_set, 1527492b200eSJiri Pirko }, 1528492b200eSJiri Pirko { 1529acd69962SJiri Pirko .name = "enabled", 1530acd69962SJiri Pirko .type = TEAM_OPTION_TYPE_BOOL, 1531acd69962SJiri Pirko .per_port = true, 1532acd69962SJiri Pirko .getter = team_port_en_option_get, 1533acd69962SJiri Pirko .setter = team_port_en_option_set, 1534acd69962SJiri Pirko }, 1535acd69962SJiri Pirko { 153671472ec1SJiri Pirko .name = "user_linkup", 153771472ec1SJiri Pirko .type = TEAM_OPTION_TYPE_BOOL, 153871472ec1SJiri Pirko .per_port = true, 153971472ec1SJiri Pirko .getter = team_user_linkup_option_get, 154071472ec1SJiri Pirko .setter = team_user_linkup_option_set, 154171472ec1SJiri Pirko }, 154271472ec1SJiri Pirko { 154371472ec1SJiri Pirko .name = "user_linkup_enabled", 154471472ec1SJiri Pirko .type = TEAM_OPTION_TYPE_BOOL, 154571472ec1SJiri Pirko .per_port = true, 154671472ec1SJiri Pirko .getter = team_user_linkup_en_option_get, 154771472ec1SJiri Pirko .setter = team_user_linkup_en_option_set, 154871472ec1SJiri Pirko }, 1549a86fc6b7SJiri Pirko { 1550a86fc6b7SJiri Pirko .name = "priority", 1551a86fc6b7SJiri Pirko .type = TEAM_OPTION_TYPE_S32, 1552a86fc6b7SJiri Pirko .per_port = true, 1553a86fc6b7SJiri Pirko .getter = team_priority_option_get, 1554a86fc6b7SJiri Pirko .setter = team_priority_option_set, 1555a86fc6b7SJiri Pirko }, 15568ff5105aSJiri Pirko { 15578ff5105aSJiri Pirko .name = "queue_id", 15588ff5105aSJiri Pirko .type = TEAM_OPTION_TYPE_U32, 15598ff5105aSJiri Pirko .per_port = true, 15608ff5105aSJiri Pirko .getter = team_queue_id_option_get, 15618ff5105aSJiri Pirko .setter = team_queue_id_option_set, 15628ff5105aSJiri Pirko }, 15633d249d4cSJiri Pirko }; 15643d249d4cSJiri Pirko 15656c85f2bdSJiri Pirko static struct lock_class_key team_netdev_xmit_lock_key; 15666c85f2bdSJiri Pirko static struct lock_class_key team_netdev_addr_lock_key; 1567b3c581d5SEric Dumazet static struct lock_class_key team_tx_busylock_key; 15686c85f2bdSJiri Pirko 15696c85f2bdSJiri Pirko static void team_set_lockdep_class_one(struct net_device *dev, 15706c85f2bdSJiri Pirko struct netdev_queue *txq, 15716c85f2bdSJiri Pirko void *unused) 15726c85f2bdSJiri Pirko { 15736c85f2bdSJiri Pirko lockdep_set_class(&txq->_xmit_lock, &team_netdev_xmit_lock_key); 15746c85f2bdSJiri Pirko } 15756c85f2bdSJiri Pirko 15766c85f2bdSJiri Pirko static void team_set_lockdep_class(struct net_device *dev) 15776c85f2bdSJiri Pirko { 15786c85f2bdSJiri Pirko lockdep_set_class(&dev->addr_list_lock, &team_netdev_addr_lock_key); 15796c85f2bdSJiri Pirko netdev_for_each_tx_queue(dev, team_set_lockdep_class_one, NULL); 1580b3c581d5SEric Dumazet dev->qdisc_tx_busylock = &team_tx_busylock_key; 15816c85f2bdSJiri Pirko } 15826c85f2bdSJiri Pirko 15833d249d4cSJiri Pirko static int team_init(struct net_device *dev) 15843d249d4cSJiri Pirko { 15853d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 15863d249d4cSJiri Pirko int i; 1587358b8382SJiri Pirko int err; 15883d249d4cSJiri Pirko 15893d249d4cSJiri Pirko team->dev = dev; 159061dc3461SJiri Pirko mutex_init(&team->lock); 1591d299cd51SJiri Pirko team_set_no_mode(team); 15923d249d4cSJiri Pirko 15931c213bd2SWANG Cong team->pcpu_stats = netdev_alloc_pcpu_stats(struct team_pcpu_stats); 15943d249d4cSJiri Pirko if (!team->pcpu_stats) 15953d249d4cSJiri Pirko return -ENOMEM; 15963d249d4cSJiri Pirko 15973d249d4cSJiri Pirko for (i = 0; i < TEAM_PORT_HASHENTRIES; i++) 159819a0b58eSJiri Pirko INIT_HLIST_HEAD(&team->en_port_hlist[i]); 15993d249d4cSJiri Pirko INIT_LIST_HEAD(&team->port_list); 16008ff5105aSJiri Pirko err = team_queue_override_init(team); 16018ff5105aSJiri Pirko if (err) 16028ff5105aSJiri Pirko goto err_team_queue_override_init; 16033d249d4cSJiri Pirko 16043d249d4cSJiri Pirko team_adjust_ops(team); 16053d249d4cSJiri Pirko 16063d249d4cSJiri Pirko INIT_LIST_HEAD(&team->option_list); 160780f7c668SJiri Pirko INIT_LIST_HEAD(&team->option_inst_list); 1608fc423ff0SJiri Pirko 1609fc423ff0SJiri Pirko team_notify_peers_init(team); 1610492b200eSJiri Pirko team_mcast_rejoin_init(team); 1611fc423ff0SJiri Pirko 1612358b8382SJiri Pirko err = team_options_register(team, team_options, ARRAY_SIZE(team_options)); 1613358b8382SJiri Pirko if (err) 1614358b8382SJiri Pirko goto err_options_register; 16153d249d4cSJiri Pirko netif_carrier_off(dev); 16163d249d4cSJiri Pirko 16176c85f2bdSJiri Pirko team_set_lockdep_class(dev); 16186c85f2bdSJiri Pirko 16193d249d4cSJiri Pirko return 0; 1620358b8382SJiri Pirko 1621358b8382SJiri Pirko err_options_register: 1622492b200eSJiri Pirko team_mcast_rejoin_fini(team); 1623fc423ff0SJiri Pirko team_notify_peers_fini(team); 16248ff5105aSJiri Pirko team_queue_override_fini(team); 16258ff5105aSJiri Pirko err_team_queue_override_init: 1626358b8382SJiri Pirko free_percpu(team->pcpu_stats); 1627358b8382SJiri Pirko 1628358b8382SJiri Pirko return err; 16293d249d4cSJiri Pirko } 16303d249d4cSJiri Pirko 16313d249d4cSJiri Pirko static void team_uninit(struct net_device *dev) 16323d249d4cSJiri Pirko { 16333d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 16343d249d4cSJiri Pirko struct team_port *port; 16353d249d4cSJiri Pirko struct team_port *tmp; 16363d249d4cSJiri Pirko 163761dc3461SJiri Pirko mutex_lock(&team->lock); 16383d249d4cSJiri Pirko list_for_each_entry_safe(port, tmp, &team->port_list, list) 16393d249d4cSJiri Pirko team_port_del(team, port->dev); 16403d249d4cSJiri Pirko 16413d249d4cSJiri Pirko __team_change_mode(team, NULL); /* cleanup */ 16423d249d4cSJiri Pirko __team_options_unregister(team, team_options, ARRAY_SIZE(team_options)); 1643492b200eSJiri Pirko team_mcast_rejoin_fini(team); 1644fc423ff0SJiri Pirko team_notify_peers_fini(team); 16458ff5105aSJiri Pirko team_queue_override_fini(team); 164661dc3461SJiri Pirko mutex_unlock(&team->lock); 16473d249d4cSJiri Pirko } 16483d249d4cSJiri Pirko 16493d249d4cSJiri Pirko static void team_destructor(struct net_device *dev) 16503d249d4cSJiri Pirko { 16513d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 16523d249d4cSJiri Pirko 16533d249d4cSJiri Pirko free_percpu(team->pcpu_stats); 16543d249d4cSJiri Pirko free_netdev(dev); 16553d249d4cSJiri Pirko } 16563d249d4cSJiri Pirko 16573d249d4cSJiri Pirko static int team_open(struct net_device *dev) 16583d249d4cSJiri Pirko { 16593d249d4cSJiri Pirko return 0; 16603d249d4cSJiri Pirko } 16613d249d4cSJiri Pirko 16623d249d4cSJiri Pirko static int team_close(struct net_device *dev) 16633d249d4cSJiri Pirko { 16643d249d4cSJiri Pirko return 0; 16653d249d4cSJiri Pirko } 16663d249d4cSJiri Pirko 16673d249d4cSJiri Pirko /* 16683d249d4cSJiri Pirko * note: already called with rcu_read_lock 16693d249d4cSJiri Pirko */ 16703d249d4cSJiri Pirko static netdev_tx_t team_xmit(struct sk_buff *skb, struct net_device *dev) 16713d249d4cSJiri Pirko { 16723d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 16738ff5105aSJiri Pirko bool tx_success; 16743d249d4cSJiri Pirko unsigned int len = skb->len; 16753d249d4cSJiri Pirko 16768ff5105aSJiri Pirko tx_success = team_queue_override_transmit(team, skb); 16778ff5105aSJiri Pirko if (!tx_success) 16783d249d4cSJiri Pirko tx_success = team->ops.transmit(team, skb); 16793d249d4cSJiri Pirko if (tx_success) { 16803d249d4cSJiri Pirko struct team_pcpu_stats *pcpu_stats; 16813d249d4cSJiri Pirko 16823d249d4cSJiri Pirko pcpu_stats = this_cpu_ptr(team->pcpu_stats); 16833d249d4cSJiri Pirko u64_stats_update_begin(&pcpu_stats->syncp); 16843d249d4cSJiri Pirko pcpu_stats->tx_packets++; 16853d249d4cSJiri Pirko pcpu_stats->tx_bytes += len; 16863d249d4cSJiri Pirko u64_stats_update_end(&pcpu_stats->syncp); 16873d249d4cSJiri Pirko } else { 16883d249d4cSJiri Pirko this_cpu_inc(team->pcpu_stats->tx_dropped); 16893d249d4cSJiri Pirko } 16903d249d4cSJiri Pirko 16913d249d4cSJiri Pirko return NETDEV_TX_OK; 16923d249d4cSJiri Pirko } 16933d249d4cSJiri Pirko 1694f663dd9aSJason Wang static u16 team_select_queue(struct net_device *dev, struct sk_buff *skb, 169599932d4fSDaniel Borkmann void *accel_priv, select_queue_fallback_t fallback) 16966c85f2bdSJiri Pirko { 16976c85f2bdSJiri Pirko /* 16986c85f2bdSJiri Pirko * This helper function exists to help dev_pick_tx get the correct 16996c85f2bdSJiri Pirko * destination queue. Using a helper function skips a call to 17006c85f2bdSJiri Pirko * skb_tx_hash and will put the skbs in the queue we expect on their 17016c85f2bdSJiri Pirko * way down to the team driver. 17026c85f2bdSJiri Pirko */ 17036c85f2bdSJiri Pirko u16 txq = skb_rx_queue_recorded(skb) ? skb_get_rx_queue(skb) : 0; 17046c85f2bdSJiri Pirko 17056c85f2bdSJiri Pirko /* 17066c85f2bdSJiri Pirko * Save the original txq to restore before passing to the driver 17076c85f2bdSJiri Pirko */ 17086c85f2bdSJiri Pirko qdisc_skb_cb(skb)->slave_dev_queue_mapping = skb->queue_mapping; 17096c85f2bdSJiri Pirko 17106c85f2bdSJiri Pirko if (unlikely(txq >= dev->real_num_tx_queues)) { 17116c85f2bdSJiri Pirko do { 17126c85f2bdSJiri Pirko txq -= dev->real_num_tx_queues; 17136c85f2bdSJiri Pirko } while (txq >= dev->real_num_tx_queues); 17146c85f2bdSJiri Pirko } 17156c85f2bdSJiri Pirko return txq; 17166c85f2bdSJiri Pirko } 17176c85f2bdSJiri Pirko 17183d249d4cSJiri Pirko static void team_change_rx_flags(struct net_device *dev, int change) 17193d249d4cSJiri Pirko { 17203d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 17213d249d4cSJiri Pirko struct team_port *port; 17223d249d4cSJiri Pirko int inc; 17233d249d4cSJiri Pirko 17243d249d4cSJiri Pirko rcu_read_lock(); 17253d249d4cSJiri Pirko list_for_each_entry_rcu(port, &team->port_list, list) { 17263d249d4cSJiri Pirko if (change & IFF_PROMISC) { 17273d249d4cSJiri Pirko inc = dev->flags & IFF_PROMISC ? 1 : -1; 17283d249d4cSJiri Pirko dev_set_promiscuity(port->dev, inc); 17293d249d4cSJiri Pirko } 17303d249d4cSJiri Pirko if (change & IFF_ALLMULTI) { 17313d249d4cSJiri Pirko inc = dev->flags & IFF_ALLMULTI ? 1 : -1; 17323d249d4cSJiri Pirko dev_set_allmulti(port->dev, inc); 17333d249d4cSJiri Pirko } 17343d249d4cSJiri Pirko } 17353d249d4cSJiri Pirko rcu_read_unlock(); 17363d249d4cSJiri Pirko } 17373d249d4cSJiri Pirko 17383d249d4cSJiri Pirko static void team_set_rx_mode(struct net_device *dev) 17393d249d4cSJiri Pirko { 17403d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 17413d249d4cSJiri Pirko struct team_port *port; 17423d249d4cSJiri Pirko 17433d249d4cSJiri Pirko rcu_read_lock(); 17443d249d4cSJiri Pirko list_for_each_entry_rcu(port, &team->port_list, list) { 174572b27032SVlad Yasevich dev_uc_sync_multiple(port->dev, dev); 174672b27032SVlad Yasevich dev_mc_sync_multiple(port->dev, dev); 17473d249d4cSJiri Pirko } 17483d249d4cSJiri Pirko rcu_read_unlock(); 17493d249d4cSJiri Pirko } 17503d249d4cSJiri Pirko 17513d249d4cSJiri Pirko static int team_set_mac_address(struct net_device *dev, void *p) 17523d249d4cSJiri Pirko { 17531d76efe1SJiri Pirko struct sockaddr *addr = p; 17543d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 17553d249d4cSJiri Pirko struct team_port *port; 17563d249d4cSJiri Pirko 17571d76efe1SJiri Pirko if (dev->type == ARPHRD_ETHER && !is_valid_ether_addr(addr->sa_data)) 17581d76efe1SJiri Pirko return -EADDRNOTAVAIL; 17591d76efe1SJiri Pirko memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); 17609215f437SJiri Pirko mutex_lock(&team->lock); 17619215f437SJiri Pirko list_for_each_entry(port, &team->port_list, list) 17621d76efe1SJiri Pirko if (team->ops.port_change_dev_addr) 17631d76efe1SJiri Pirko team->ops.port_change_dev_addr(team, port); 17649215f437SJiri Pirko mutex_unlock(&team->lock); 17653d249d4cSJiri Pirko return 0; 17663d249d4cSJiri Pirko } 17673d249d4cSJiri Pirko 17683d249d4cSJiri Pirko static int team_change_mtu(struct net_device *dev, int new_mtu) 17693d249d4cSJiri Pirko { 17703d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 17713d249d4cSJiri Pirko struct team_port *port; 17723d249d4cSJiri Pirko int err; 17733d249d4cSJiri Pirko 17743d249d4cSJiri Pirko /* 17753d249d4cSJiri Pirko * Alhough this is reader, it's guarded by team lock. It's not possible 17763d249d4cSJiri Pirko * to traverse list in reverse under rcu_read_lock 17773d249d4cSJiri Pirko */ 177861dc3461SJiri Pirko mutex_lock(&team->lock); 17799d0d68faSJiri Pirko team->port_mtu_change_allowed = true; 17803d249d4cSJiri Pirko list_for_each_entry(port, &team->port_list, list) { 17813d249d4cSJiri Pirko err = dev_set_mtu(port->dev, new_mtu); 17823d249d4cSJiri Pirko if (err) { 17833d249d4cSJiri Pirko netdev_err(dev, "Device %s failed to change mtu", 17843d249d4cSJiri Pirko port->dev->name); 17853d249d4cSJiri Pirko goto unwind; 17863d249d4cSJiri Pirko } 17873d249d4cSJiri Pirko } 17889d0d68faSJiri Pirko team->port_mtu_change_allowed = false; 178961dc3461SJiri Pirko mutex_unlock(&team->lock); 17903d249d4cSJiri Pirko 17913d249d4cSJiri Pirko dev->mtu = new_mtu; 17923d249d4cSJiri Pirko 17933d249d4cSJiri Pirko return 0; 17943d249d4cSJiri Pirko 17953d249d4cSJiri Pirko unwind: 17963d249d4cSJiri Pirko list_for_each_entry_continue_reverse(port, &team->port_list, list) 17973d249d4cSJiri Pirko dev_set_mtu(port->dev, dev->mtu); 17989d0d68faSJiri Pirko team->port_mtu_change_allowed = false; 179961dc3461SJiri Pirko mutex_unlock(&team->lock); 18003d249d4cSJiri Pirko 18013d249d4cSJiri Pirko return err; 18023d249d4cSJiri Pirko } 18033d249d4cSJiri Pirko 18043d249d4cSJiri Pirko static struct rtnl_link_stats64 * 18053d249d4cSJiri Pirko team_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats) 18063d249d4cSJiri Pirko { 18073d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 18083d249d4cSJiri Pirko struct team_pcpu_stats *p; 18093d249d4cSJiri Pirko u64 rx_packets, rx_bytes, rx_multicast, tx_packets, tx_bytes; 18103d249d4cSJiri Pirko u32 rx_dropped = 0, tx_dropped = 0; 18113d249d4cSJiri Pirko unsigned int start; 18123d249d4cSJiri Pirko int i; 18133d249d4cSJiri Pirko 18143d249d4cSJiri Pirko for_each_possible_cpu(i) { 18153d249d4cSJiri Pirko p = per_cpu_ptr(team->pcpu_stats, i); 18163d249d4cSJiri Pirko do { 181757a7744eSEric W. Biederman start = u64_stats_fetch_begin_irq(&p->syncp); 18183d249d4cSJiri Pirko rx_packets = p->rx_packets; 18193d249d4cSJiri Pirko rx_bytes = p->rx_bytes; 18203d249d4cSJiri Pirko rx_multicast = p->rx_multicast; 18213d249d4cSJiri Pirko tx_packets = p->tx_packets; 18223d249d4cSJiri Pirko tx_bytes = p->tx_bytes; 182357a7744eSEric W. Biederman } while (u64_stats_fetch_retry_irq(&p->syncp, start)); 18243d249d4cSJiri Pirko 18253d249d4cSJiri Pirko stats->rx_packets += rx_packets; 18263d249d4cSJiri Pirko stats->rx_bytes += rx_bytes; 18273d249d4cSJiri Pirko stats->multicast += rx_multicast; 18283d249d4cSJiri Pirko stats->tx_packets += tx_packets; 18293d249d4cSJiri Pirko stats->tx_bytes += tx_bytes; 18303d249d4cSJiri Pirko /* 18313d249d4cSJiri Pirko * rx_dropped & tx_dropped are u32, updated 18323d249d4cSJiri Pirko * without syncp protection. 18333d249d4cSJiri Pirko */ 18343d249d4cSJiri Pirko rx_dropped += p->rx_dropped; 18353d249d4cSJiri Pirko tx_dropped += p->tx_dropped; 18363d249d4cSJiri Pirko } 18373d249d4cSJiri Pirko stats->rx_dropped = rx_dropped; 18383d249d4cSJiri Pirko stats->tx_dropped = tx_dropped; 18393d249d4cSJiri Pirko return stats; 18403d249d4cSJiri Pirko } 18413d249d4cSJiri Pirko 184280d5c368SPatrick McHardy static int team_vlan_rx_add_vid(struct net_device *dev, __be16 proto, u16 vid) 18433d249d4cSJiri Pirko { 18443d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 18453d249d4cSJiri Pirko struct team_port *port; 184687002b03SJiri Pirko int err; 18473d249d4cSJiri Pirko 184887002b03SJiri Pirko /* 184987002b03SJiri Pirko * Alhough this is reader, it's guarded by team lock. It's not possible 185087002b03SJiri Pirko * to traverse list in reverse under rcu_read_lock 185187002b03SJiri Pirko */ 185287002b03SJiri Pirko mutex_lock(&team->lock); 185387002b03SJiri Pirko list_for_each_entry(port, &team->port_list, list) { 185480d5c368SPatrick McHardy err = vlan_vid_add(port->dev, proto, vid); 185587002b03SJiri Pirko if (err) 185687002b03SJiri Pirko goto unwind; 18573d249d4cSJiri Pirko } 185887002b03SJiri Pirko mutex_unlock(&team->lock); 18598e586137SJiri Pirko 18608e586137SJiri Pirko return 0; 186187002b03SJiri Pirko 186287002b03SJiri Pirko unwind: 186387002b03SJiri Pirko list_for_each_entry_continue_reverse(port, &team->port_list, list) 186480d5c368SPatrick McHardy vlan_vid_del(port->dev, proto, vid); 186587002b03SJiri Pirko mutex_unlock(&team->lock); 186687002b03SJiri Pirko 186787002b03SJiri Pirko return err; 18683d249d4cSJiri Pirko } 18693d249d4cSJiri Pirko 187080d5c368SPatrick McHardy static int team_vlan_rx_kill_vid(struct net_device *dev, __be16 proto, u16 vid) 18713d249d4cSJiri Pirko { 18723d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 18733d249d4cSJiri Pirko struct team_port *port; 18743d249d4cSJiri Pirko 18753d249d4cSJiri Pirko rcu_read_lock(); 187687002b03SJiri Pirko list_for_each_entry_rcu(port, &team->port_list, list) 187780d5c368SPatrick McHardy vlan_vid_del(port->dev, proto, vid); 18783d249d4cSJiri Pirko rcu_read_unlock(); 18798e586137SJiri Pirko 18808e586137SJiri Pirko return 0; 18813d249d4cSJiri Pirko } 18823d249d4cSJiri Pirko 1883bd2d0837SJiri Pirko #ifdef CONFIG_NET_POLL_CONTROLLER 1884bd2d0837SJiri Pirko static void team_poll_controller(struct net_device *dev) 1885bd2d0837SJiri Pirko { 1886bd2d0837SJiri Pirko } 1887bd2d0837SJiri Pirko 1888bd2d0837SJiri Pirko static void __team_netpoll_cleanup(struct team *team) 1889bd2d0837SJiri Pirko { 1890bd2d0837SJiri Pirko struct team_port *port; 1891bd2d0837SJiri Pirko 1892bd2d0837SJiri Pirko list_for_each_entry(port, &team->port_list, list) 1893bd2d0837SJiri Pirko team_port_disable_netpoll(port); 1894bd2d0837SJiri Pirko } 1895bd2d0837SJiri Pirko 1896bd2d0837SJiri Pirko static void team_netpoll_cleanup(struct net_device *dev) 1897bd2d0837SJiri Pirko { 1898bd2d0837SJiri Pirko struct team *team = netdev_priv(dev); 1899bd2d0837SJiri Pirko 1900bd2d0837SJiri Pirko mutex_lock(&team->lock); 1901bd2d0837SJiri Pirko __team_netpoll_cleanup(team); 1902bd2d0837SJiri Pirko mutex_unlock(&team->lock); 1903bd2d0837SJiri Pirko } 1904bd2d0837SJiri Pirko 1905bd2d0837SJiri Pirko static int team_netpoll_setup(struct net_device *dev, 1906a8779ec1SEric W. Biederman struct netpoll_info *npifo) 1907bd2d0837SJiri Pirko { 1908bd2d0837SJiri Pirko struct team *team = netdev_priv(dev); 1909bd2d0837SJiri Pirko struct team_port *port; 19103324d024SJiri Pirko int err = 0; 1911bd2d0837SJiri Pirko 1912bd2d0837SJiri Pirko mutex_lock(&team->lock); 1913bd2d0837SJiri Pirko list_for_each_entry(port, &team->port_list, list) { 1914a8779ec1SEric W. Biederman err = team_port_enable_netpoll(team, port); 1915bd2d0837SJiri Pirko if (err) { 1916bd2d0837SJiri Pirko __team_netpoll_cleanup(team); 1917bd2d0837SJiri Pirko break; 1918bd2d0837SJiri Pirko } 1919bd2d0837SJiri Pirko } 1920bd2d0837SJiri Pirko mutex_unlock(&team->lock); 1921bd2d0837SJiri Pirko return err; 1922bd2d0837SJiri Pirko } 1923bd2d0837SJiri Pirko #endif 1924bd2d0837SJiri Pirko 19253d249d4cSJiri Pirko static int team_add_slave(struct net_device *dev, struct net_device *port_dev) 19263d249d4cSJiri Pirko { 19273d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 19283d249d4cSJiri Pirko int err; 19293d249d4cSJiri Pirko 193061dc3461SJiri Pirko mutex_lock(&team->lock); 19313d249d4cSJiri Pirko err = team_port_add(team, port_dev); 193261dc3461SJiri Pirko mutex_unlock(&team->lock); 19333d249d4cSJiri Pirko return err; 19343d249d4cSJiri Pirko } 19353d249d4cSJiri Pirko 19363d249d4cSJiri Pirko static int team_del_slave(struct net_device *dev, struct net_device *port_dev) 19373d249d4cSJiri Pirko { 19383d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 19393d249d4cSJiri Pirko int err; 19403d249d4cSJiri Pirko 194161dc3461SJiri Pirko mutex_lock(&team->lock); 19423d249d4cSJiri Pirko err = team_port_del(team, port_dev); 194361dc3461SJiri Pirko mutex_unlock(&team->lock); 19443d249d4cSJiri Pirko return err; 19453d249d4cSJiri Pirko } 19463d249d4cSJiri Pirko 1947234a8fd4SJiri Pirko static netdev_features_t team_fix_features(struct net_device *dev, 1948234a8fd4SJiri Pirko netdev_features_t features) 1949234a8fd4SJiri Pirko { 1950234a8fd4SJiri Pirko struct team_port *port; 1951234a8fd4SJiri Pirko struct team *team = netdev_priv(dev); 1952234a8fd4SJiri Pirko netdev_features_t mask; 1953234a8fd4SJiri Pirko 19547889cbeeSScott Feldman mask = features; 1955234a8fd4SJiri Pirko features &= ~NETIF_F_ONE_FOR_ALL; 1956234a8fd4SJiri Pirko features |= NETIF_F_ALL_FOR_ALL; 1957234a8fd4SJiri Pirko 1958234a8fd4SJiri Pirko rcu_read_lock(); 1959234a8fd4SJiri Pirko list_for_each_entry_rcu(port, &team->port_list, list) { 1960234a8fd4SJiri Pirko features = netdev_increment_features(features, 1961234a8fd4SJiri Pirko port->dev->features, 1962234a8fd4SJiri Pirko mask); 1963234a8fd4SJiri Pirko } 1964234a8fd4SJiri Pirko rcu_read_unlock(); 1965247f6d0fSJiri Pirko 1966247f6d0fSJiri Pirko features = netdev_add_tso_features(features, mask); 1967247f6d0fSJiri Pirko 1968234a8fd4SJiri Pirko return features; 1969234a8fd4SJiri Pirko } 1970234a8fd4SJiri Pirko 19714cafe373SFlavio Leitner static int team_change_carrier(struct net_device *dev, bool new_carrier) 19724cafe373SFlavio Leitner { 1973e185483eSFlavio Leitner struct team *team = netdev_priv(dev); 1974e185483eSFlavio Leitner 1975e185483eSFlavio Leitner team->user_carrier_enabled = true; 1976e185483eSFlavio Leitner 19774cafe373SFlavio Leitner if (new_carrier) 19784cafe373SFlavio Leitner netif_carrier_on(dev); 19794cafe373SFlavio Leitner else 19804cafe373SFlavio Leitner netif_carrier_off(dev); 19814cafe373SFlavio Leitner return 0; 19824cafe373SFlavio Leitner } 19834cafe373SFlavio Leitner 19843d249d4cSJiri Pirko static const struct net_device_ops team_netdev_ops = { 19853d249d4cSJiri Pirko .ndo_init = team_init, 19863d249d4cSJiri Pirko .ndo_uninit = team_uninit, 19873d249d4cSJiri Pirko .ndo_open = team_open, 19883d249d4cSJiri Pirko .ndo_stop = team_close, 19893d249d4cSJiri Pirko .ndo_start_xmit = team_xmit, 19906c85f2bdSJiri Pirko .ndo_select_queue = team_select_queue, 19913d249d4cSJiri Pirko .ndo_change_rx_flags = team_change_rx_flags, 19923d249d4cSJiri Pirko .ndo_set_rx_mode = team_set_rx_mode, 19933d249d4cSJiri Pirko .ndo_set_mac_address = team_set_mac_address, 19943d249d4cSJiri Pirko .ndo_change_mtu = team_change_mtu, 19953d249d4cSJiri Pirko .ndo_get_stats64 = team_get_stats64, 19963d249d4cSJiri Pirko .ndo_vlan_rx_add_vid = team_vlan_rx_add_vid, 19973d249d4cSJiri Pirko .ndo_vlan_rx_kill_vid = team_vlan_rx_kill_vid, 1998bd2d0837SJiri Pirko #ifdef CONFIG_NET_POLL_CONTROLLER 1999bd2d0837SJiri Pirko .ndo_poll_controller = team_poll_controller, 2000bd2d0837SJiri Pirko .ndo_netpoll_setup = team_netpoll_setup, 2001bd2d0837SJiri Pirko .ndo_netpoll_cleanup = team_netpoll_cleanup, 2002bd2d0837SJiri Pirko #endif 20033d249d4cSJiri Pirko .ndo_add_slave = team_add_slave, 20043d249d4cSJiri Pirko .ndo_del_slave = team_del_slave, 2005234a8fd4SJiri Pirko .ndo_fix_features = team_fix_features, 20064cafe373SFlavio Leitner .ndo_change_carrier = team_change_carrier, 2007fc8f40d8SScott Feldman .ndo_bridge_setlink = switchdev_port_bridge_setlink, 200885fdb956SScott Feldman .ndo_bridge_getlink = switchdev_port_bridge_getlink, 200954ba5a0bSScott Feldman .ndo_bridge_dellink = switchdev_port_bridge_dellink, 201045d4122cSSamudrala, Sridhar .ndo_fdb_add = switchdev_port_fdb_add, 201145d4122cSSamudrala, Sridhar .ndo_fdb_del = switchdev_port_fdb_del, 201245d4122cSSamudrala, Sridhar .ndo_fdb_dump = switchdev_port_fdb_dump, 2013b9f4cf75SToshiaki Makita .ndo_features_check = passthru_features_check, 20143d249d4cSJiri Pirko }; 20153d249d4cSJiri Pirko 20167f51c587SFlavio Leitner /*********************** 20177f51c587SFlavio Leitner * ethtool interface 20187f51c587SFlavio Leitner ***********************/ 20197f51c587SFlavio Leitner 20207f51c587SFlavio Leitner static void team_ethtool_get_drvinfo(struct net_device *dev, 20217f51c587SFlavio Leitner struct ethtool_drvinfo *drvinfo) 20227f51c587SFlavio Leitner { 20233066af58SFlavio Leitner strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver)); 20243066af58SFlavio Leitner strlcpy(drvinfo->version, UTS_RELEASE, sizeof(drvinfo->version)); 20257f51c587SFlavio Leitner } 20267f51c587SFlavio Leitner 20277f51c587SFlavio Leitner static const struct ethtool_ops team_ethtool_ops = { 20287f51c587SFlavio Leitner .get_drvinfo = team_ethtool_get_drvinfo, 20297f51c587SFlavio Leitner .get_link = ethtool_op_get_link, 20307f51c587SFlavio Leitner }; 20313d249d4cSJiri Pirko 20323d249d4cSJiri Pirko /*********************** 20333d249d4cSJiri Pirko * rt netlink interface 20343d249d4cSJiri Pirko ***********************/ 20353d249d4cSJiri Pirko 20361d76efe1SJiri Pirko static void team_setup_by_port(struct net_device *dev, 20371d76efe1SJiri Pirko struct net_device *port_dev) 20381d76efe1SJiri Pirko { 20391d76efe1SJiri Pirko dev->header_ops = port_dev->header_ops; 20401d76efe1SJiri Pirko dev->type = port_dev->type; 20411d76efe1SJiri Pirko dev->hard_header_len = port_dev->hard_header_len; 20421d76efe1SJiri Pirko dev->addr_len = port_dev->addr_len; 20431d76efe1SJiri Pirko dev->mtu = port_dev->mtu; 20441d76efe1SJiri Pirko memcpy(dev->broadcast, port_dev->broadcast, port_dev->addr_len); 204593af7357SBjørn Mork eth_hw_addr_inherit(dev, port_dev); 20461d76efe1SJiri Pirko } 20471d76efe1SJiri Pirko 20481d76efe1SJiri Pirko static int team_dev_type_check_change(struct net_device *dev, 20491d76efe1SJiri Pirko struct net_device *port_dev) 20501d76efe1SJiri Pirko { 20511d76efe1SJiri Pirko struct team *team = netdev_priv(dev); 20521d76efe1SJiri Pirko char *portname = port_dev->name; 20531d76efe1SJiri Pirko int err; 20541d76efe1SJiri Pirko 20551d76efe1SJiri Pirko if (dev->type == port_dev->type) 20561d76efe1SJiri Pirko return 0; 20571d76efe1SJiri Pirko if (!list_empty(&team->port_list)) { 20581d76efe1SJiri Pirko netdev_err(dev, "Device %s is of different type\n", portname); 20591d76efe1SJiri Pirko return -EBUSY; 20601d76efe1SJiri Pirko } 20611d76efe1SJiri Pirko err = call_netdevice_notifiers(NETDEV_PRE_TYPE_CHANGE, dev); 20621d76efe1SJiri Pirko err = notifier_to_errno(err); 20631d76efe1SJiri Pirko if (err) { 20641d76efe1SJiri Pirko netdev_err(dev, "Refused to change device type\n"); 20651d76efe1SJiri Pirko return err; 20661d76efe1SJiri Pirko } 20671d76efe1SJiri Pirko dev_uc_flush(dev); 20681d76efe1SJiri Pirko dev_mc_flush(dev); 20691d76efe1SJiri Pirko team_setup_by_port(dev, port_dev); 20701d76efe1SJiri Pirko call_netdevice_notifiers(NETDEV_POST_TYPE_CHANGE, dev); 20711d76efe1SJiri Pirko return 0; 20721d76efe1SJiri Pirko } 20731d76efe1SJiri Pirko 20743d249d4cSJiri Pirko static void team_setup(struct net_device *dev) 20753d249d4cSJiri Pirko { 20763d249d4cSJiri Pirko ether_setup(dev); 20773d249d4cSJiri Pirko 20783d249d4cSJiri Pirko dev->netdev_ops = &team_netdev_ops; 20797f51c587SFlavio Leitner dev->ethtool_ops = &team_ethtool_ops; 20803d249d4cSJiri Pirko dev->destructor = team_destructor; 20813d249d4cSJiri Pirko dev->flags |= IFF_MULTICAST; 20823d249d4cSJiri Pirko dev->priv_flags &= ~(IFF_XMIT_DST_RELEASE | IFF_TX_SKB_SHARING); 208322e380a6SPhil Sutter dev->priv_flags |= IFF_NO_QUEUE; 2084c981e421SJiri Pirko dev->priv_flags |= IFF_TEAM; 20853d249d4cSJiri Pirko 20863d249d4cSJiri Pirko /* 20873d249d4cSJiri Pirko * Indicate we support unicast address filtering. That way core won't 20883d249d4cSJiri Pirko * bring us to promisc mode in case a unicast addr is added. 20893d249d4cSJiri Pirko * Let this up to underlay drivers. 20903d249d4cSJiri Pirko */ 20915a1d1c8cSJiri Pirko dev->priv_flags |= IFF_UNICAST_FLT | IFF_LIVE_ADDR_CHANGE; 20923d249d4cSJiri Pirko 20933d249d4cSJiri Pirko dev->features |= NETIF_F_LLTX; 20943d249d4cSJiri Pirko dev->features |= NETIF_F_GRO; 209599301ba1SWeilong Chen 209699301ba1SWeilong Chen /* Don't allow team devices to change network namespaces. */ 209799301ba1SWeilong Chen dev->features |= NETIF_F_NETNS_LOCAL; 209899301ba1SWeilong Chen 20993ed71471SJiri Pirko dev->hw_features = TEAM_VLAN_FEATURES | 2100f646968fSPatrick McHardy NETIF_F_HW_VLAN_CTAG_TX | 2101f646968fSPatrick McHardy NETIF_F_HW_VLAN_CTAG_RX | 2102f646968fSPatrick McHardy NETIF_F_HW_VLAN_CTAG_FILTER; 21033d249d4cSJiri Pirko 21043268e5cbSEran Ben Elisha dev->hw_features |= NETIF_F_GSO_ENCAP_ALL; 21053d249d4cSJiri Pirko dev->features |= dev->hw_features; 21063d249d4cSJiri Pirko } 21073d249d4cSJiri Pirko 21083d249d4cSJiri Pirko static int team_newlink(struct net *src_net, struct net_device *dev, 21093d249d4cSJiri Pirko struct nlattr *tb[], struct nlattr *data[]) 21103d249d4cSJiri Pirko { 21113d249d4cSJiri Pirko if (tb[IFLA_ADDRESS] == NULL) 21127ce5d222SDanny Kukawka eth_hw_addr_random(dev); 21133d249d4cSJiri Pirko 2114ff204cceSToshiaki Makita return register_netdevice(dev); 21153d249d4cSJiri Pirko } 21163d249d4cSJiri Pirko 21173d249d4cSJiri Pirko static int team_validate(struct nlattr *tb[], struct nlattr *data[]) 21183d249d4cSJiri Pirko { 21193d249d4cSJiri Pirko if (tb[IFLA_ADDRESS]) { 21203d249d4cSJiri Pirko if (nla_len(tb[IFLA_ADDRESS]) != ETH_ALEN) 21213d249d4cSJiri Pirko return -EINVAL; 21223d249d4cSJiri Pirko if (!is_valid_ether_addr(nla_data(tb[IFLA_ADDRESS]))) 21233d249d4cSJiri Pirko return -EADDRNOTAVAIL; 21243d249d4cSJiri Pirko } 21253d249d4cSJiri Pirko return 0; 21263d249d4cSJiri Pirko } 21273d249d4cSJiri Pirko 21286c85f2bdSJiri Pirko static unsigned int team_get_num_tx_queues(void) 21296c85f2bdSJiri Pirko { 21306c85f2bdSJiri Pirko return TEAM_DEFAULT_NUM_TX_QUEUES; 21316c85f2bdSJiri Pirko } 21326c85f2bdSJiri Pirko 21336c85f2bdSJiri Pirko static unsigned int team_get_num_rx_queues(void) 21346c85f2bdSJiri Pirko { 21356c85f2bdSJiri Pirko return TEAM_DEFAULT_NUM_RX_QUEUES; 21366c85f2bdSJiri Pirko } 21376c85f2bdSJiri Pirko 21383d249d4cSJiri Pirko static struct rtnl_link_ops team_link_ops __read_mostly = { 21393d249d4cSJiri Pirko .kind = DRV_NAME, 21403d249d4cSJiri Pirko .priv_size = sizeof(struct team), 21413d249d4cSJiri Pirko .setup = team_setup, 21423d249d4cSJiri Pirko .newlink = team_newlink, 21433d249d4cSJiri Pirko .validate = team_validate, 21446c85f2bdSJiri Pirko .get_num_tx_queues = team_get_num_tx_queues, 21456c85f2bdSJiri Pirko .get_num_rx_queues = team_get_num_rx_queues, 21463d249d4cSJiri Pirko }; 21473d249d4cSJiri Pirko 21483d249d4cSJiri Pirko 21493d249d4cSJiri Pirko /*********************************** 21503d249d4cSJiri Pirko * Generic netlink custom interface 21513d249d4cSJiri Pirko ***********************************/ 21523d249d4cSJiri Pirko 21533d249d4cSJiri Pirko static struct genl_family team_nl_family = { 21543d249d4cSJiri Pirko .id = GENL_ID_GENERATE, 21553d249d4cSJiri Pirko .name = TEAM_GENL_NAME, 21563d249d4cSJiri Pirko .version = TEAM_GENL_VERSION, 21573d249d4cSJiri Pirko .maxattr = TEAM_ATTR_MAX, 21583d249d4cSJiri Pirko .netnsok = true, 21593d249d4cSJiri Pirko }; 21603d249d4cSJiri Pirko 21613d249d4cSJiri Pirko static const struct nla_policy team_nl_policy[TEAM_ATTR_MAX + 1] = { 21623d249d4cSJiri Pirko [TEAM_ATTR_UNSPEC] = { .type = NLA_UNSPEC, }, 21633d249d4cSJiri Pirko [TEAM_ATTR_TEAM_IFINDEX] = { .type = NLA_U32 }, 21643d249d4cSJiri Pirko [TEAM_ATTR_LIST_OPTION] = { .type = NLA_NESTED }, 21653d249d4cSJiri Pirko [TEAM_ATTR_LIST_PORT] = { .type = NLA_NESTED }, 21663d249d4cSJiri Pirko }; 21673d249d4cSJiri Pirko 21683d249d4cSJiri Pirko static const struct nla_policy 21693d249d4cSJiri Pirko team_nl_option_policy[TEAM_ATTR_OPTION_MAX + 1] = { 21703d249d4cSJiri Pirko [TEAM_ATTR_OPTION_UNSPEC] = { .type = NLA_UNSPEC, }, 21713d249d4cSJiri Pirko [TEAM_ATTR_OPTION_NAME] = { 21723d249d4cSJiri Pirko .type = NLA_STRING, 21733d249d4cSJiri Pirko .len = TEAM_STRING_MAX_LEN, 21743d249d4cSJiri Pirko }, 21753d249d4cSJiri Pirko [TEAM_ATTR_OPTION_CHANGED] = { .type = NLA_FLAG }, 21763d249d4cSJiri Pirko [TEAM_ATTR_OPTION_TYPE] = { .type = NLA_U8 }, 21772615598fSJiri Pirko [TEAM_ATTR_OPTION_DATA] = { .type = NLA_BINARY }, 21783d249d4cSJiri Pirko }; 21793d249d4cSJiri Pirko 21803d249d4cSJiri Pirko static int team_nl_cmd_noop(struct sk_buff *skb, struct genl_info *info) 21813d249d4cSJiri Pirko { 21823d249d4cSJiri Pirko struct sk_buff *msg; 21833d249d4cSJiri Pirko void *hdr; 21843d249d4cSJiri Pirko int err; 21853d249d4cSJiri Pirko 218658050fceSThomas Graf msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); 21873d249d4cSJiri Pirko if (!msg) 21883d249d4cSJiri Pirko return -ENOMEM; 21893d249d4cSJiri Pirko 219015e47304SEric W. Biederman hdr = genlmsg_put(msg, info->snd_portid, info->snd_seq, 21913d249d4cSJiri Pirko &team_nl_family, 0, TEAM_CMD_NOOP); 2192a326e6ddSWei Yongjun if (!hdr) { 2193a326e6ddSWei Yongjun err = -EMSGSIZE; 21943d249d4cSJiri Pirko goto err_msg_put; 21953d249d4cSJiri Pirko } 21963d249d4cSJiri Pirko 21973d249d4cSJiri Pirko genlmsg_end(msg, hdr); 21983d249d4cSJiri Pirko 219915e47304SEric W. Biederman return genlmsg_unicast(genl_info_net(info), msg, info->snd_portid); 22003d249d4cSJiri Pirko 22013d249d4cSJiri Pirko err_msg_put: 22023d249d4cSJiri Pirko nlmsg_free(msg); 22033d249d4cSJiri Pirko 22043d249d4cSJiri Pirko return err; 22053d249d4cSJiri Pirko } 22063d249d4cSJiri Pirko 22073d249d4cSJiri Pirko /* 22083d249d4cSJiri Pirko * Netlink cmd functions should be locked by following two functions. 22098c0713a5SJiri Pirko * Since dev gets held here, that ensures dev won't disappear in between. 22103d249d4cSJiri Pirko */ 22113d249d4cSJiri Pirko static struct team *team_nl_team_get(struct genl_info *info) 22123d249d4cSJiri Pirko { 22133d249d4cSJiri Pirko struct net *net = genl_info_net(info); 22143d249d4cSJiri Pirko int ifindex; 22153d249d4cSJiri Pirko struct net_device *dev; 22163d249d4cSJiri Pirko struct team *team; 22173d249d4cSJiri Pirko 22183d249d4cSJiri Pirko if (!info->attrs[TEAM_ATTR_TEAM_IFINDEX]) 22193d249d4cSJiri Pirko return NULL; 22203d249d4cSJiri Pirko 22213d249d4cSJiri Pirko ifindex = nla_get_u32(info->attrs[TEAM_ATTR_TEAM_IFINDEX]); 22228c0713a5SJiri Pirko dev = dev_get_by_index(net, ifindex); 22233d249d4cSJiri Pirko if (!dev || dev->netdev_ops != &team_netdev_ops) { 22248c0713a5SJiri Pirko if (dev) 22258c0713a5SJiri Pirko dev_put(dev); 22263d249d4cSJiri Pirko return NULL; 22273d249d4cSJiri Pirko } 22283d249d4cSJiri Pirko 22293d249d4cSJiri Pirko team = netdev_priv(dev); 223061dc3461SJiri Pirko mutex_lock(&team->lock); 22313d249d4cSJiri Pirko return team; 22323d249d4cSJiri Pirko } 22333d249d4cSJiri Pirko 22343d249d4cSJiri Pirko static void team_nl_team_put(struct team *team) 22353d249d4cSJiri Pirko { 223661dc3461SJiri Pirko mutex_unlock(&team->lock); 22378c0713a5SJiri Pirko dev_put(team->dev); 22383d249d4cSJiri Pirko } 22393d249d4cSJiri Pirko 22409b00cf2dSJiri Pirko typedef int team_nl_send_func_t(struct sk_buff *skb, 224115e47304SEric W. Biederman struct team *team, u32 portid); 22429b00cf2dSJiri Pirko 224315e47304SEric W. Biederman static int team_nl_send_unicast(struct sk_buff *skb, struct team *team, u32 portid) 22449b00cf2dSJiri Pirko { 224515e47304SEric W. Biederman return genlmsg_unicast(dev_net(team->dev), skb, portid); 22469b00cf2dSJiri Pirko } 22479b00cf2dSJiri Pirko 224801048d9aSJiri Pirko static int team_nl_fill_one_option_get(struct sk_buff *skb, struct team *team, 224901048d9aSJiri Pirko struct team_option_inst *opt_inst) 22503d249d4cSJiri Pirko { 22513d249d4cSJiri Pirko struct nlattr *option_item; 225280f7c668SJiri Pirko struct team_option *option = opt_inst->option; 22539b00cf2dSJiri Pirko struct team_option_inst_info *opt_inst_info = &opt_inst->info; 225480f7c668SJiri Pirko struct team_gsetter_ctx ctx; 225501048d9aSJiri Pirko int err; 22563d249d4cSJiri Pirko 22579b00cf2dSJiri Pirko ctx.info = opt_inst_info; 22589b00cf2dSJiri Pirko err = team_option_get(team, opt_inst, &ctx); 22599b00cf2dSJiri Pirko if (err) 22609b00cf2dSJiri Pirko return err; 22619b00cf2dSJiri Pirko 22623d249d4cSJiri Pirko option_item = nla_nest_start(skb, TEAM_ATTR_ITEM_OPTION); 22633d249d4cSJiri Pirko if (!option_item) 22649b00cf2dSJiri Pirko return -EMSGSIZE; 226585d59a87SJiri Pirko 22669b00cf2dSJiri Pirko if (nla_put_string(skb, TEAM_ATTR_OPTION_NAME, option->name)) 22679b00cf2dSJiri Pirko goto nest_cancel; 226885d59a87SJiri Pirko if (opt_inst_info->port && 226980f7c668SJiri Pirko nla_put_u32(skb, TEAM_ATTR_OPTION_PORT_IFINDEX, 227085d59a87SJiri Pirko opt_inst_info->port->dev->ifindex)) 22719b00cf2dSJiri Pirko goto nest_cancel; 2272b1303326SJiri Pirko if (opt_inst->option->array_size && 2273b1303326SJiri Pirko nla_put_u32(skb, TEAM_ATTR_OPTION_ARRAY_INDEX, 227485d59a87SJiri Pirko opt_inst_info->array_index)) 22759b00cf2dSJiri Pirko goto nest_cancel; 227685d59a87SJiri Pirko 22773d249d4cSJiri Pirko switch (option->type) { 22783d249d4cSJiri Pirko case TEAM_OPTION_TYPE_U32: 227986ebb02dSDavid S. Miller if (nla_put_u8(skb, TEAM_ATTR_OPTION_TYPE, NLA_U32)) 22809b00cf2dSJiri Pirko goto nest_cancel; 228101048d9aSJiri Pirko if (nla_put_u32(skb, TEAM_ATTR_OPTION_DATA, ctx.data.u32_val)) 22829b00cf2dSJiri Pirko goto nest_cancel; 22833d249d4cSJiri Pirko break; 22843d249d4cSJiri Pirko case TEAM_OPTION_TYPE_STRING: 228586ebb02dSDavid S. Miller if (nla_put_u8(skb, TEAM_ATTR_OPTION_TYPE, NLA_STRING)) 22869b00cf2dSJiri Pirko goto nest_cancel; 228786ebb02dSDavid S. Miller if (nla_put_string(skb, TEAM_ATTR_OPTION_DATA, 228880f7c668SJiri Pirko ctx.data.str_val)) 22899b00cf2dSJiri Pirko goto nest_cancel; 22903d249d4cSJiri Pirko break; 22912615598fSJiri Pirko case TEAM_OPTION_TYPE_BINARY: 22922615598fSJiri Pirko if (nla_put_u8(skb, TEAM_ATTR_OPTION_TYPE, NLA_BINARY)) 22939b00cf2dSJiri Pirko goto nest_cancel; 229401048d9aSJiri Pirko if (nla_put(skb, TEAM_ATTR_OPTION_DATA, ctx.data.bin_val.len, 229501048d9aSJiri Pirko ctx.data.bin_val.ptr)) 22969b00cf2dSJiri Pirko goto nest_cancel; 22972615598fSJiri Pirko break; 229814f066baSJiri Pirko case TEAM_OPTION_TYPE_BOOL: 229914f066baSJiri Pirko if (nla_put_u8(skb, TEAM_ATTR_OPTION_TYPE, NLA_FLAG)) 23009b00cf2dSJiri Pirko goto nest_cancel; 230114f066baSJiri Pirko if (ctx.data.bool_val && 230214f066baSJiri Pirko nla_put_flag(skb, TEAM_ATTR_OPTION_DATA)) 23039b00cf2dSJiri Pirko goto nest_cancel; 230414f066baSJiri Pirko break; 230569821638SJiri Pirko case TEAM_OPTION_TYPE_S32: 230669821638SJiri Pirko if (nla_put_u8(skb, TEAM_ATTR_OPTION_TYPE, NLA_S32)) 230769821638SJiri Pirko goto nest_cancel; 230869821638SJiri Pirko if (nla_put_s32(skb, TEAM_ATTR_OPTION_DATA, ctx.data.s32_val)) 230969821638SJiri Pirko goto nest_cancel; 231069821638SJiri Pirko break; 23113d249d4cSJiri Pirko default: 23123d249d4cSJiri Pirko BUG(); 23133d249d4cSJiri Pirko } 23149b00cf2dSJiri Pirko if (opt_inst->removed && nla_put_flag(skb, TEAM_ATTR_OPTION_REMOVED)) 23159b00cf2dSJiri Pirko goto nest_cancel; 23169b00cf2dSJiri Pirko if (opt_inst->changed) { 23179b00cf2dSJiri Pirko if (nla_put_flag(skb, TEAM_ATTR_OPTION_CHANGED)) 23189b00cf2dSJiri Pirko goto nest_cancel; 23199b00cf2dSJiri Pirko opt_inst->changed = false; 23209b00cf2dSJiri Pirko } 23213d249d4cSJiri Pirko nla_nest_end(skb, option_item); 232201048d9aSJiri Pirko return 0; 232301048d9aSJiri Pirko 23249b00cf2dSJiri Pirko nest_cancel: 23259b00cf2dSJiri Pirko nla_nest_cancel(skb, option_item); 23269b00cf2dSJiri Pirko return -EMSGSIZE; 232701048d9aSJiri Pirko } 232801048d9aSJiri Pirko 23299b00cf2dSJiri Pirko static int __send_and_alloc_skb(struct sk_buff **pskb, 233015e47304SEric W. Biederman struct team *team, u32 portid, 23319b00cf2dSJiri Pirko team_nl_send_func_t *send_func) 23329b00cf2dSJiri Pirko { 23339b00cf2dSJiri Pirko int err; 23349b00cf2dSJiri Pirko 23359b00cf2dSJiri Pirko if (*pskb) { 233615e47304SEric W. Biederman err = send_func(*pskb, team, portid); 23379b00cf2dSJiri Pirko if (err) 23389b00cf2dSJiri Pirko return err; 23399b00cf2dSJiri Pirko } 234058050fceSThomas Graf *pskb = genlmsg_new(GENLMSG_DEFAULT_SIZE, GFP_KERNEL); 23419b00cf2dSJiri Pirko if (!*pskb) 23429b00cf2dSJiri Pirko return -ENOMEM; 23439b00cf2dSJiri Pirko return 0; 23449b00cf2dSJiri Pirko } 23459b00cf2dSJiri Pirko 234615e47304SEric W. Biederman static int team_nl_send_options_get(struct team *team, u32 portid, u32 seq, 23479b00cf2dSJiri Pirko int flags, team_nl_send_func_t *send_func, 234801048d9aSJiri Pirko struct list_head *sel_opt_inst_list) 234901048d9aSJiri Pirko { 235001048d9aSJiri Pirko struct nlattr *option_list; 23519b00cf2dSJiri Pirko struct nlmsghdr *nlh; 235201048d9aSJiri Pirko void *hdr; 235301048d9aSJiri Pirko struct team_option_inst *opt_inst; 235401048d9aSJiri Pirko int err; 23559b00cf2dSJiri Pirko struct sk_buff *skb = NULL; 23569b00cf2dSJiri Pirko bool incomplete; 23579b00cf2dSJiri Pirko int i; 235801048d9aSJiri Pirko 23599b00cf2dSJiri Pirko opt_inst = list_first_entry(sel_opt_inst_list, 23609b00cf2dSJiri Pirko struct team_option_inst, tmp_list); 23619b00cf2dSJiri Pirko 23629b00cf2dSJiri Pirko start_again: 236315e47304SEric W. Biederman err = __send_and_alloc_skb(&skb, team, portid, send_func); 23649b00cf2dSJiri Pirko if (err) 23659b00cf2dSJiri Pirko return err; 23669b00cf2dSJiri Pirko 236715e47304SEric W. Biederman hdr = genlmsg_put(skb, portid, seq, &team_nl_family, flags | NLM_F_MULTI, 236801048d9aSJiri Pirko TEAM_CMD_OPTIONS_GET); 2369a326e6ddSWei Yongjun if (!hdr) 2370a326e6ddSWei Yongjun return -EMSGSIZE; 237101048d9aSJiri Pirko 237201048d9aSJiri Pirko if (nla_put_u32(skb, TEAM_ATTR_TEAM_IFINDEX, team->dev->ifindex)) 237301048d9aSJiri Pirko goto nla_put_failure; 237401048d9aSJiri Pirko option_list = nla_nest_start(skb, TEAM_ATTR_LIST_OPTION); 237501048d9aSJiri Pirko if (!option_list) 237601048d9aSJiri Pirko goto nla_put_failure; 237701048d9aSJiri Pirko 23789b00cf2dSJiri Pirko i = 0; 23799b00cf2dSJiri Pirko incomplete = false; 23809b00cf2dSJiri Pirko list_for_each_entry_from(opt_inst, sel_opt_inst_list, tmp_list) { 238101048d9aSJiri Pirko err = team_nl_fill_one_option_get(skb, team, opt_inst); 23829b00cf2dSJiri Pirko if (err) { 23839b00cf2dSJiri Pirko if (err == -EMSGSIZE) { 23849b00cf2dSJiri Pirko if (!i) 238501048d9aSJiri Pirko goto errout; 23869b00cf2dSJiri Pirko incomplete = true; 23879b00cf2dSJiri Pirko break; 23889b00cf2dSJiri Pirko } 23899b00cf2dSJiri Pirko goto errout; 23909b00cf2dSJiri Pirko } 23919b00cf2dSJiri Pirko i++; 23923d249d4cSJiri Pirko } 23933d249d4cSJiri Pirko 23943d249d4cSJiri Pirko nla_nest_end(skb, option_list); 23959b00cf2dSJiri Pirko genlmsg_end(skb, hdr); 23969b00cf2dSJiri Pirko if (incomplete) 23979b00cf2dSJiri Pirko goto start_again; 23989b00cf2dSJiri Pirko 23999b00cf2dSJiri Pirko send_done: 240015e47304SEric W. Biederman nlh = nlmsg_put(skb, portid, seq, NLMSG_DONE, 0, flags | NLM_F_MULTI); 24019b00cf2dSJiri Pirko if (!nlh) { 240215e47304SEric W. Biederman err = __send_and_alloc_skb(&skb, team, portid, send_func); 24039b00cf2dSJiri Pirko if (err) 24049b00cf2dSJiri Pirko goto errout; 24059b00cf2dSJiri Pirko goto send_done; 24069b00cf2dSJiri Pirko } 24079b00cf2dSJiri Pirko 240815e47304SEric W. Biederman return send_func(skb, team, portid); 24093d249d4cSJiri Pirko 24103d249d4cSJiri Pirko nla_put_failure: 241180f7c668SJiri Pirko err = -EMSGSIZE; 241280f7c668SJiri Pirko errout: 24133d249d4cSJiri Pirko genlmsg_cancel(skb, hdr); 24149b00cf2dSJiri Pirko nlmsg_free(skb); 241580f7c668SJiri Pirko return err; 24163d249d4cSJiri Pirko } 24173d249d4cSJiri Pirko 24183d249d4cSJiri Pirko static int team_nl_cmd_options_get(struct sk_buff *skb, struct genl_info *info) 24193d249d4cSJiri Pirko { 24203d249d4cSJiri Pirko struct team *team; 24219b00cf2dSJiri Pirko struct team_option_inst *opt_inst; 24223d249d4cSJiri Pirko int err; 24239b00cf2dSJiri Pirko LIST_HEAD(sel_opt_inst_list); 24243d249d4cSJiri Pirko 24253d249d4cSJiri Pirko team = team_nl_team_get(info); 24263d249d4cSJiri Pirko if (!team) 24273d249d4cSJiri Pirko return -EINVAL; 24283d249d4cSJiri Pirko 24299b00cf2dSJiri Pirko list_for_each_entry(opt_inst, &team->option_inst_list, list) 24309b00cf2dSJiri Pirko list_add_tail(&opt_inst->tmp_list, &sel_opt_inst_list); 243115e47304SEric W. Biederman err = team_nl_send_options_get(team, info->snd_portid, info->snd_seq, 24329b00cf2dSJiri Pirko NLM_F_ACK, team_nl_send_unicast, 24339b00cf2dSJiri Pirko &sel_opt_inst_list); 24343d249d4cSJiri Pirko 24353d249d4cSJiri Pirko team_nl_team_put(team); 24363d249d4cSJiri Pirko 24373d249d4cSJiri Pirko return err; 24383d249d4cSJiri Pirko } 24393d249d4cSJiri Pirko 24402fcdb2c9SJiri Pirko static int team_nl_send_event_options_get(struct team *team, 24412fcdb2c9SJiri Pirko struct list_head *sel_opt_inst_list); 24422fcdb2c9SJiri Pirko 24433d249d4cSJiri Pirko static int team_nl_cmd_options_set(struct sk_buff *skb, struct genl_info *info) 24443d249d4cSJiri Pirko { 24453d249d4cSJiri Pirko struct team *team; 24463d249d4cSJiri Pirko int err = 0; 24473d249d4cSJiri Pirko int i; 24483d249d4cSJiri Pirko struct nlattr *nl_option; 24492fcdb2c9SJiri Pirko LIST_HEAD(opt_inst_list); 24503d249d4cSJiri Pirko 24517d259505SJiri Pirko rtnl_lock(); 24527d259505SJiri Pirko 24533d249d4cSJiri Pirko team = team_nl_team_get(info); 24547d259505SJiri Pirko if (!team) { 24557d259505SJiri Pirko err = -EINVAL; 24567d259505SJiri Pirko goto rtnl_unlock; 24577d259505SJiri Pirko } 24583d249d4cSJiri Pirko 24593d249d4cSJiri Pirko err = -EINVAL; 24603d249d4cSJiri Pirko if (!info->attrs[TEAM_ATTR_LIST_OPTION]) { 24613d249d4cSJiri Pirko err = -EINVAL; 24623d249d4cSJiri Pirko goto team_put; 24633d249d4cSJiri Pirko } 24643d249d4cSJiri Pirko 24653d249d4cSJiri Pirko nla_for_each_nested(nl_option, info->attrs[TEAM_ATTR_LIST_OPTION], i) { 246680f7c668SJiri Pirko struct nlattr *opt_attrs[TEAM_ATTR_OPTION_MAX + 1]; 2467b1303326SJiri Pirko struct nlattr *attr; 246814f066baSJiri Pirko struct nlattr *attr_data; 24693d249d4cSJiri Pirko enum team_option_type opt_type; 247080f7c668SJiri Pirko int opt_port_ifindex = 0; /* != 0 for per-port options */ 2471b1303326SJiri Pirko u32 opt_array_index = 0; 2472b1303326SJiri Pirko bool opt_is_array = false; 247380f7c668SJiri Pirko struct team_option_inst *opt_inst; 24743d249d4cSJiri Pirko char *opt_name; 24753d249d4cSJiri Pirko bool opt_found = false; 24763d249d4cSJiri Pirko 24773d249d4cSJiri Pirko if (nla_type(nl_option) != TEAM_ATTR_ITEM_OPTION) { 24783d249d4cSJiri Pirko err = -EINVAL; 24793d249d4cSJiri Pirko goto team_put; 24803d249d4cSJiri Pirko } 248180f7c668SJiri Pirko err = nla_parse_nested(opt_attrs, TEAM_ATTR_OPTION_MAX, 24823d249d4cSJiri Pirko nl_option, team_nl_option_policy); 24833d249d4cSJiri Pirko if (err) 24843d249d4cSJiri Pirko goto team_put; 248580f7c668SJiri Pirko if (!opt_attrs[TEAM_ATTR_OPTION_NAME] || 248614f066baSJiri Pirko !opt_attrs[TEAM_ATTR_OPTION_TYPE]) { 24873d249d4cSJiri Pirko err = -EINVAL; 24883d249d4cSJiri Pirko goto team_put; 24893d249d4cSJiri Pirko } 249080f7c668SJiri Pirko switch (nla_get_u8(opt_attrs[TEAM_ATTR_OPTION_TYPE])) { 24913d249d4cSJiri Pirko case NLA_U32: 24923d249d4cSJiri Pirko opt_type = TEAM_OPTION_TYPE_U32; 24933d249d4cSJiri Pirko break; 24943d249d4cSJiri Pirko case NLA_STRING: 24953d249d4cSJiri Pirko opt_type = TEAM_OPTION_TYPE_STRING; 24963d249d4cSJiri Pirko break; 24972615598fSJiri Pirko case NLA_BINARY: 24982615598fSJiri Pirko opt_type = TEAM_OPTION_TYPE_BINARY; 24992615598fSJiri Pirko break; 250014f066baSJiri Pirko case NLA_FLAG: 250114f066baSJiri Pirko opt_type = TEAM_OPTION_TYPE_BOOL; 250214f066baSJiri Pirko break; 250369821638SJiri Pirko case NLA_S32: 250469821638SJiri Pirko opt_type = TEAM_OPTION_TYPE_S32; 250569821638SJiri Pirko break; 25063d249d4cSJiri Pirko default: 25073d249d4cSJiri Pirko goto team_put; 25083d249d4cSJiri Pirko } 25093d249d4cSJiri Pirko 251014f066baSJiri Pirko attr_data = opt_attrs[TEAM_ATTR_OPTION_DATA]; 251114f066baSJiri Pirko if (opt_type != TEAM_OPTION_TYPE_BOOL && !attr_data) { 251214f066baSJiri Pirko err = -EINVAL; 251314f066baSJiri Pirko goto team_put; 251414f066baSJiri Pirko } 251514f066baSJiri Pirko 251680f7c668SJiri Pirko opt_name = nla_data(opt_attrs[TEAM_ATTR_OPTION_NAME]); 2517b1303326SJiri Pirko attr = opt_attrs[TEAM_ATTR_OPTION_PORT_IFINDEX]; 2518b1303326SJiri Pirko if (attr) 2519b1303326SJiri Pirko opt_port_ifindex = nla_get_u32(attr); 2520b1303326SJiri Pirko 2521b1303326SJiri Pirko attr = opt_attrs[TEAM_ATTR_OPTION_ARRAY_INDEX]; 2522b1303326SJiri Pirko if (attr) { 2523b1303326SJiri Pirko opt_is_array = true; 2524b1303326SJiri Pirko opt_array_index = nla_get_u32(attr); 2525b1303326SJiri Pirko } 25263d249d4cSJiri Pirko 252780f7c668SJiri Pirko list_for_each_entry(opt_inst, &team->option_inst_list, list) { 252880f7c668SJiri Pirko struct team_option *option = opt_inst->option; 252980f7c668SJiri Pirko struct team_gsetter_ctx ctx; 253085d59a87SJiri Pirko struct team_option_inst_info *opt_inst_info; 253180f7c668SJiri Pirko int tmp_ifindex; 253280f7c668SJiri Pirko 253385d59a87SJiri Pirko opt_inst_info = &opt_inst->info; 253485d59a87SJiri Pirko tmp_ifindex = opt_inst_info->port ? 253585d59a87SJiri Pirko opt_inst_info->port->dev->ifindex : 0; 25363d249d4cSJiri Pirko if (option->type != opt_type || 253780f7c668SJiri Pirko strcmp(option->name, opt_name) || 2538b1303326SJiri Pirko tmp_ifindex != opt_port_ifindex || 2539b1303326SJiri Pirko (option->array_size && !opt_is_array) || 254085d59a87SJiri Pirko opt_inst_info->array_index != opt_array_index) 25413d249d4cSJiri Pirko continue; 25423d249d4cSJiri Pirko opt_found = true; 254385d59a87SJiri Pirko ctx.info = opt_inst_info; 25443d249d4cSJiri Pirko switch (opt_type) { 25453d249d4cSJiri Pirko case TEAM_OPTION_TYPE_U32: 254614f066baSJiri Pirko ctx.data.u32_val = nla_get_u32(attr_data); 25473d249d4cSJiri Pirko break; 25483d249d4cSJiri Pirko case TEAM_OPTION_TYPE_STRING: 254914f066baSJiri Pirko if (nla_len(attr_data) > TEAM_STRING_MAX_LEN) { 25502615598fSJiri Pirko err = -EINVAL; 25512615598fSJiri Pirko goto team_put; 25522615598fSJiri Pirko } 255314f066baSJiri Pirko ctx.data.str_val = nla_data(attr_data); 25543d249d4cSJiri Pirko break; 25552615598fSJiri Pirko case TEAM_OPTION_TYPE_BINARY: 255614f066baSJiri Pirko ctx.data.bin_val.len = nla_len(attr_data); 255714f066baSJiri Pirko ctx.data.bin_val.ptr = nla_data(attr_data); 255814f066baSJiri Pirko break; 255914f066baSJiri Pirko case TEAM_OPTION_TYPE_BOOL: 256014f066baSJiri Pirko ctx.data.bool_val = attr_data ? true : false; 25612615598fSJiri Pirko break; 256269821638SJiri Pirko case TEAM_OPTION_TYPE_S32: 256369821638SJiri Pirko ctx.data.s32_val = nla_get_s32(attr_data); 256469821638SJiri Pirko break; 25653d249d4cSJiri Pirko default: 25663d249d4cSJiri Pirko BUG(); 25673d249d4cSJiri Pirko } 256880f7c668SJiri Pirko err = team_option_set(team, opt_inst, &ctx); 25693d249d4cSJiri Pirko if (err) 25703d249d4cSJiri Pirko goto team_put; 25712fcdb2c9SJiri Pirko opt_inst->changed = true; 25722fcdb2c9SJiri Pirko list_add(&opt_inst->tmp_list, &opt_inst_list); 25733d249d4cSJiri Pirko } 25743d249d4cSJiri Pirko if (!opt_found) { 25753d249d4cSJiri Pirko err = -ENOENT; 25763d249d4cSJiri Pirko goto team_put; 25773d249d4cSJiri Pirko } 25783d249d4cSJiri Pirko } 25793d249d4cSJiri Pirko 25802fcdb2c9SJiri Pirko err = team_nl_send_event_options_get(team, &opt_inst_list); 25812fcdb2c9SJiri Pirko 25823d249d4cSJiri Pirko team_put: 25833d249d4cSJiri Pirko team_nl_team_put(team); 25847d259505SJiri Pirko rtnl_unlock: 25857d259505SJiri Pirko rtnl_unlock(); 25863d249d4cSJiri Pirko return err; 25873d249d4cSJiri Pirko } 25883d249d4cSJiri Pirko 2589d90f889eSJiri Pirko static int team_nl_fill_one_port_get(struct sk_buff *skb, 2590d90f889eSJiri Pirko struct team_port *port) 2591d90f889eSJiri Pirko { 2592d90f889eSJiri Pirko struct nlattr *port_item; 2593d90f889eSJiri Pirko 2594d90f889eSJiri Pirko port_item = nla_nest_start(skb, TEAM_ATTR_ITEM_PORT); 2595d90f889eSJiri Pirko if (!port_item) 2596d90f889eSJiri Pirko goto nest_cancel; 2597d90f889eSJiri Pirko if (nla_put_u32(skb, TEAM_ATTR_PORT_IFINDEX, port->dev->ifindex)) 2598d90f889eSJiri Pirko goto nest_cancel; 2599d90f889eSJiri Pirko if (port->changed) { 2600d90f889eSJiri Pirko if (nla_put_flag(skb, TEAM_ATTR_PORT_CHANGED)) 2601d90f889eSJiri Pirko goto nest_cancel; 2602d90f889eSJiri Pirko port->changed = false; 2603d90f889eSJiri Pirko } 2604d90f889eSJiri Pirko if ((port->removed && 2605d90f889eSJiri Pirko nla_put_flag(skb, TEAM_ATTR_PORT_REMOVED)) || 2606d90f889eSJiri Pirko (port->state.linkup && 2607d90f889eSJiri Pirko nla_put_flag(skb, TEAM_ATTR_PORT_LINKUP)) || 2608d90f889eSJiri Pirko nla_put_u32(skb, TEAM_ATTR_PORT_SPEED, port->state.speed) || 2609d90f889eSJiri Pirko nla_put_u8(skb, TEAM_ATTR_PORT_DUPLEX, port->state.duplex)) 2610d90f889eSJiri Pirko goto nest_cancel; 2611d90f889eSJiri Pirko nla_nest_end(skb, port_item); 2612d90f889eSJiri Pirko return 0; 2613d90f889eSJiri Pirko 2614d90f889eSJiri Pirko nest_cancel: 2615d90f889eSJiri Pirko nla_nest_cancel(skb, port_item); 2616d90f889eSJiri Pirko return -EMSGSIZE; 2617d90f889eSJiri Pirko } 2618d90f889eSJiri Pirko 2619d90f889eSJiri Pirko static int team_nl_send_port_list_get(struct team *team, u32 portid, u32 seq, 2620d90f889eSJiri Pirko int flags, team_nl_send_func_t *send_func, 2621d90f889eSJiri Pirko struct team_port *one_port) 26223d249d4cSJiri Pirko { 26233d249d4cSJiri Pirko struct nlattr *port_list; 2624d90f889eSJiri Pirko struct nlmsghdr *nlh; 26253d249d4cSJiri Pirko void *hdr; 26263d249d4cSJiri Pirko struct team_port *port; 2627d90f889eSJiri Pirko int err; 2628d90f889eSJiri Pirko struct sk_buff *skb = NULL; 2629d90f889eSJiri Pirko bool incomplete; 2630d90f889eSJiri Pirko int i; 26313d249d4cSJiri Pirko 26323f3e7ce4SJiri Pirko port = list_first_entry_or_null(&team->port_list, 26333f3e7ce4SJiri Pirko struct team_port, list); 2634d90f889eSJiri Pirko 2635d90f889eSJiri Pirko start_again: 2636d90f889eSJiri Pirko err = __send_and_alloc_skb(&skb, team, portid, send_func); 2637d90f889eSJiri Pirko if (err) 2638d90f889eSJiri Pirko return err; 2639d90f889eSJiri Pirko 2640d90f889eSJiri Pirko hdr = genlmsg_put(skb, portid, seq, &team_nl_family, flags | NLM_F_MULTI, 26413d249d4cSJiri Pirko TEAM_CMD_PORT_LIST_GET); 2642a326e6ddSWei Yongjun if (!hdr) 2643a326e6ddSWei Yongjun return -EMSGSIZE; 26443d249d4cSJiri Pirko 264586ebb02dSDavid S. Miller if (nla_put_u32(skb, TEAM_ATTR_TEAM_IFINDEX, team->dev->ifindex)) 264686ebb02dSDavid S. Miller goto nla_put_failure; 26473d249d4cSJiri Pirko port_list = nla_nest_start(skb, TEAM_ATTR_LIST_PORT); 26483d249d4cSJiri Pirko if (!port_list) 26493221c646SJiri Pirko goto nla_put_failure; 26503d249d4cSJiri Pirko 2651d90f889eSJiri Pirko i = 0; 2652d90f889eSJiri Pirko incomplete = false; 26533d249d4cSJiri Pirko 2654d90f889eSJiri Pirko /* If one port is selected, called wants to send port list containing 2655d90f889eSJiri Pirko * only this port. Otherwise go through all listed ports and send all 2656d90f889eSJiri Pirko */ 2657d90f889eSJiri Pirko if (one_port) { 2658d90f889eSJiri Pirko err = team_nl_fill_one_port_get(skb, one_port); 2659d90f889eSJiri Pirko if (err) 2660d90f889eSJiri Pirko goto errout; 26613f3e7ce4SJiri Pirko } else if (port) { 26623f3e7ce4SJiri Pirko list_for_each_entry_from(port, &team->port_list, list) { 2663d90f889eSJiri Pirko err = team_nl_fill_one_port_get(skb, port); 2664d90f889eSJiri Pirko if (err) { 2665d90f889eSJiri Pirko if (err == -EMSGSIZE) { 2666d90f889eSJiri Pirko if (!i) 2667d90f889eSJiri Pirko goto errout; 2668d90f889eSJiri Pirko incomplete = true; 2669d90f889eSJiri Pirko break; 2670b82b9183SJiri Pirko } 2671d90f889eSJiri Pirko goto errout; 2672d90f889eSJiri Pirko } 2673d90f889eSJiri Pirko i++; 2674d90f889eSJiri Pirko } 26753d249d4cSJiri Pirko } 26763d249d4cSJiri Pirko 26773d249d4cSJiri Pirko nla_nest_end(skb, port_list); 2678d90f889eSJiri Pirko genlmsg_end(skb, hdr); 2679d90f889eSJiri Pirko if (incomplete) 2680d90f889eSJiri Pirko goto start_again; 26813d249d4cSJiri Pirko 2682d90f889eSJiri Pirko send_done: 2683d90f889eSJiri Pirko nlh = nlmsg_put(skb, portid, seq, NLMSG_DONE, 0, flags | NLM_F_MULTI); 2684d90f889eSJiri Pirko if (!nlh) { 2685d90f889eSJiri Pirko err = __send_and_alloc_skb(&skb, team, portid, send_func); 2686d90f889eSJiri Pirko if (err) 2687d90f889eSJiri Pirko goto errout; 2688d90f889eSJiri Pirko goto send_done; 26893d249d4cSJiri Pirko } 26903d249d4cSJiri Pirko 2691d90f889eSJiri Pirko return send_func(skb, team, portid); 2692d90f889eSJiri Pirko 2693d90f889eSJiri Pirko nla_put_failure: 2694d90f889eSJiri Pirko err = -EMSGSIZE; 2695d90f889eSJiri Pirko errout: 2696d90f889eSJiri Pirko genlmsg_cancel(skb, hdr); 2697d90f889eSJiri Pirko nlmsg_free(skb); 2698d90f889eSJiri Pirko return err; 26993d249d4cSJiri Pirko } 27003d249d4cSJiri Pirko 27013d249d4cSJiri Pirko static int team_nl_cmd_port_list_get(struct sk_buff *skb, 27023d249d4cSJiri Pirko struct genl_info *info) 27033d249d4cSJiri Pirko { 27043d249d4cSJiri Pirko struct team *team; 27053d249d4cSJiri Pirko int err; 27063d249d4cSJiri Pirko 27073d249d4cSJiri Pirko team = team_nl_team_get(info); 27083d249d4cSJiri Pirko if (!team) 27093d249d4cSJiri Pirko return -EINVAL; 27103d249d4cSJiri Pirko 2711d90f889eSJiri Pirko err = team_nl_send_port_list_get(team, info->snd_portid, info->snd_seq, 2712d90f889eSJiri Pirko NLM_F_ACK, team_nl_send_unicast, NULL); 27133d249d4cSJiri Pirko 27143d249d4cSJiri Pirko team_nl_team_put(team); 27153d249d4cSJiri Pirko 27163d249d4cSJiri Pirko return err; 27173d249d4cSJiri Pirko } 27183d249d4cSJiri Pirko 27194534de83SJohannes Berg static const struct genl_ops team_nl_ops[] = { 27203d249d4cSJiri Pirko { 27213d249d4cSJiri Pirko .cmd = TEAM_CMD_NOOP, 27223d249d4cSJiri Pirko .doit = team_nl_cmd_noop, 27233d249d4cSJiri Pirko .policy = team_nl_policy, 27243d249d4cSJiri Pirko }, 27253d249d4cSJiri Pirko { 27263d249d4cSJiri Pirko .cmd = TEAM_CMD_OPTIONS_SET, 27273d249d4cSJiri Pirko .doit = team_nl_cmd_options_set, 27283d249d4cSJiri Pirko .policy = team_nl_policy, 27293d249d4cSJiri Pirko .flags = GENL_ADMIN_PERM, 27303d249d4cSJiri Pirko }, 27313d249d4cSJiri Pirko { 27323d249d4cSJiri Pirko .cmd = TEAM_CMD_OPTIONS_GET, 27333d249d4cSJiri Pirko .doit = team_nl_cmd_options_get, 27343d249d4cSJiri Pirko .policy = team_nl_policy, 27353d249d4cSJiri Pirko .flags = GENL_ADMIN_PERM, 27363d249d4cSJiri Pirko }, 27373d249d4cSJiri Pirko { 27383d249d4cSJiri Pirko .cmd = TEAM_CMD_PORT_LIST_GET, 27393d249d4cSJiri Pirko .doit = team_nl_cmd_port_list_get, 27403d249d4cSJiri Pirko .policy = team_nl_policy, 27413d249d4cSJiri Pirko .flags = GENL_ADMIN_PERM, 27423d249d4cSJiri Pirko }, 27433d249d4cSJiri Pirko }; 27443d249d4cSJiri Pirko 27452a94fe48SJohannes Berg static const struct genl_multicast_group team_nl_mcgrps[] = { 27462a94fe48SJohannes Berg { .name = TEAM_GENL_CHANGE_EVENT_MC_GRP_NAME, }, 27473d249d4cSJiri Pirko }; 27483d249d4cSJiri Pirko 27499b00cf2dSJiri Pirko static int team_nl_send_multicast(struct sk_buff *skb, 275015e47304SEric W. Biederman struct team *team, u32 portid) 27519b00cf2dSJiri Pirko { 275268eb5503SJohannes Berg return genlmsg_multicast_netns(&team_nl_family, dev_net(team->dev), 27532a94fe48SJohannes Berg skb, 0, 0, GFP_KERNEL); 27549b00cf2dSJiri Pirko } 27559b00cf2dSJiri Pirko 275601048d9aSJiri Pirko static int team_nl_send_event_options_get(struct team *team, 275701048d9aSJiri Pirko struct list_head *sel_opt_inst_list) 27583d249d4cSJiri Pirko { 27599b00cf2dSJiri Pirko return team_nl_send_options_get(team, 0, 0, 0, team_nl_send_multicast, 27609b00cf2dSJiri Pirko sel_opt_inst_list); 27613d249d4cSJiri Pirko } 27623d249d4cSJiri Pirko 2763d90f889eSJiri Pirko static int team_nl_send_event_port_get(struct team *team, 2764d90f889eSJiri Pirko struct team_port *port) 27653d249d4cSJiri Pirko { 2766d90f889eSJiri Pirko return team_nl_send_port_list_get(team, 0, 0, 0, team_nl_send_multicast, 2767d90f889eSJiri Pirko port); 27683d249d4cSJiri Pirko } 27693d249d4cSJiri Pirko 27703d249d4cSJiri Pirko static int team_nl_init(void) 27713d249d4cSJiri Pirko { 27722a94fe48SJohannes Berg return genl_register_family_with_ops_groups(&team_nl_family, team_nl_ops, 27732a94fe48SJohannes Berg team_nl_mcgrps); 27743d249d4cSJiri Pirko } 27753d249d4cSJiri Pirko 27763d249d4cSJiri Pirko static void team_nl_fini(void) 27773d249d4cSJiri Pirko { 27783d249d4cSJiri Pirko genl_unregister_family(&team_nl_family); 27793d249d4cSJiri Pirko } 27803d249d4cSJiri Pirko 27813d249d4cSJiri Pirko 27823d249d4cSJiri Pirko /****************** 27833d249d4cSJiri Pirko * Change checkers 27843d249d4cSJiri Pirko ******************/ 27853d249d4cSJiri Pirko 2786b82b9183SJiri Pirko static void __team_options_change_check(struct team *team) 27873d249d4cSJiri Pirko { 27883d249d4cSJiri Pirko int err; 278901048d9aSJiri Pirko struct team_option_inst *opt_inst; 279001048d9aSJiri Pirko LIST_HEAD(sel_opt_inst_list); 27913d249d4cSJiri Pirko 279201048d9aSJiri Pirko list_for_each_entry(opt_inst, &team->option_inst_list, list) { 279301048d9aSJiri Pirko if (opt_inst->changed) 279401048d9aSJiri Pirko list_add_tail(&opt_inst->tmp_list, &sel_opt_inst_list); 279501048d9aSJiri Pirko } 279601048d9aSJiri Pirko err = team_nl_send_event_options_get(team, &sel_opt_inst_list); 27970c7517e9SJiri Pirko if (err && err != -ESRCH) 27989b00cf2dSJiri Pirko netdev_warn(team->dev, "Failed to send options change via netlink (err %d)\n", 27999b00cf2dSJiri Pirko err); 28003d249d4cSJiri Pirko } 28013d249d4cSJiri Pirko 28023d249d4cSJiri Pirko /* rtnl lock is held */ 280310f3f51dSJiri Pirko 280410f3f51dSJiri Pirko static void __team_port_change_send(struct team_port *port, bool linkup) 28053d249d4cSJiri Pirko { 28063d249d4cSJiri Pirko int err; 28073d249d4cSJiri Pirko 2808b82b9183SJiri Pirko port->changed = true; 280971472ec1SJiri Pirko port->state.linkup = linkup; 281071472ec1SJiri Pirko team_refresh_port_linkup(port); 28113d249d4cSJiri Pirko if (linkup) { 28123d249d4cSJiri Pirko struct ethtool_cmd ecmd; 28133d249d4cSJiri Pirko 28143d249d4cSJiri Pirko err = __ethtool_get_settings(port->dev, &ecmd); 28153d249d4cSJiri Pirko if (!err) { 281671472ec1SJiri Pirko port->state.speed = ethtool_cmd_speed(&ecmd); 281771472ec1SJiri Pirko port->state.duplex = ecmd.duplex; 28183d249d4cSJiri Pirko goto send_event; 28193d249d4cSJiri Pirko } 28203d249d4cSJiri Pirko } 282171472ec1SJiri Pirko port->state.speed = 0; 282271472ec1SJiri Pirko port->state.duplex = 0; 28233d249d4cSJiri Pirko 28243d249d4cSJiri Pirko send_event: 2825d90f889eSJiri Pirko err = team_nl_send_event_port_get(port->team, port); 28260c7517e9SJiri Pirko if (err && err != -ESRCH) 28270c7517e9SJiri Pirko netdev_warn(port->team->dev, "Failed to send port change of device %s via netlink (err %d)\n", 28280c7517e9SJiri Pirko port->dev->name, err); 28293d249d4cSJiri Pirko 28303d249d4cSJiri Pirko } 28313d249d4cSJiri Pirko 283206a7fc42SFlavio Leitner static void __team_carrier_check(struct team *team) 283306a7fc42SFlavio Leitner { 283406a7fc42SFlavio Leitner struct team_port *port; 283506a7fc42SFlavio Leitner bool team_linkup; 283606a7fc42SFlavio Leitner 2837e185483eSFlavio Leitner if (team->user_carrier_enabled) 2838e185483eSFlavio Leitner return; 2839e185483eSFlavio Leitner 284006a7fc42SFlavio Leitner team_linkup = false; 284106a7fc42SFlavio Leitner list_for_each_entry(port, &team->port_list, list) { 284206a7fc42SFlavio Leitner if (port->linkup) { 284306a7fc42SFlavio Leitner team_linkup = true; 284406a7fc42SFlavio Leitner break; 284506a7fc42SFlavio Leitner } 284606a7fc42SFlavio Leitner } 284706a7fc42SFlavio Leitner 284806a7fc42SFlavio Leitner if (team_linkup) 284906a7fc42SFlavio Leitner netif_carrier_on(team->dev); 285006a7fc42SFlavio Leitner else 285106a7fc42SFlavio Leitner netif_carrier_off(team->dev); 285206a7fc42SFlavio Leitner } 285306a7fc42SFlavio Leitner 285410f3f51dSJiri Pirko static void __team_port_change_check(struct team_port *port, bool linkup) 285510f3f51dSJiri Pirko { 285610f3f51dSJiri Pirko if (port->state.linkup != linkup) 285710f3f51dSJiri Pirko __team_port_change_send(port, linkup); 285806a7fc42SFlavio Leitner __team_carrier_check(port->team); 285910f3f51dSJiri Pirko } 286010f3f51dSJiri Pirko 286110f3f51dSJiri Pirko static void __team_port_change_port_added(struct team_port *port, bool linkup) 286210f3f51dSJiri Pirko { 286310f3f51dSJiri Pirko __team_port_change_send(port, linkup); 286406a7fc42SFlavio Leitner __team_carrier_check(port->team); 286510f3f51dSJiri Pirko } 286610f3f51dSJiri Pirko 286710f3f51dSJiri Pirko static void __team_port_change_port_removed(struct team_port *port) 286810f3f51dSJiri Pirko { 286910f3f51dSJiri Pirko port->removed = true; 287010f3f51dSJiri Pirko __team_port_change_send(port, false); 287106a7fc42SFlavio Leitner __team_carrier_check(port->team); 287210f3f51dSJiri Pirko } 287310f3f51dSJiri Pirko 28743d249d4cSJiri Pirko static void team_port_change_check(struct team_port *port, bool linkup) 28753d249d4cSJiri Pirko { 28763d249d4cSJiri Pirko struct team *team = port->team; 28773d249d4cSJiri Pirko 287861dc3461SJiri Pirko mutex_lock(&team->lock); 28793d249d4cSJiri Pirko __team_port_change_check(port, linkup); 288061dc3461SJiri Pirko mutex_unlock(&team->lock); 28813d249d4cSJiri Pirko } 28823d249d4cSJiri Pirko 28830f1aad2bSJiri Pirko 28843d249d4cSJiri Pirko /************************************ 28853d249d4cSJiri Pirko * Net device notifier event handler 28863d249d4cSJiri Pirko ************************************/ 28873d249d4cSJiri Pirko 28883d249d4cSJiri Pirko static int team_device_event(struct notifier_block *unused, 28893d249d4cSJiri Pirko unsigned long event, void *ptr) 28903d249d4cSJiri Pirko { 2891351638e7SJiri Pirko struct net_device *dev = netdev_notifier_info_to_dev(ptr); 28923d249d4cSJiri Pirko struct team_port *port; 28933d249d4cSJiri Pirko 28943d249d4cSJiri Pirko port = team_port_get_rtnl(dev); 28953d249d4cSJiri Pirko if (!port) 28963d249d4cSJiri Pirko return NOTIFY_DONE; 28973d249d4cSJiri Pirko 28983d249d4cSJiri Pirko switch (event) { 28993d249d4cSJiri Pirko case NETDEV_UP: 29003d249d4cSJiri Pirko if (netif_carrier_ok(dev)) 29013d249d4cSJiri Pirko team_port_change_check(port, true); 2902ed2da03cSJiri Pirko break; 29033d249d4cSJiri Pirko case NETDEV_DOWN: 29043d249d4cSJiri Pirko team_port_change_check(port, false); 2905ed2da03cSJiri Pirko break; 29063d249d4cSJiri Pirko case NETDEV_CHANGE: 29073d249d4cSJiri Pirko if (netif_running(port->dev)) 29083d249d4cSJiri Pirko team_port_change_check(port, 29093d249d4cSJiri Pirko !!netif_carrier_ok(port->dev)); 29103d249d4cSJiri Pirko break; 29113d249d4cSJiri Pirko case NETDEV_UNREGISTER: 29123d249d4cSJiri Pirko team_del_slave(port->team->dev, dev); 29133d249d4cSJiri Pirko break; 29143d249d4cSJiri Pirko case NETDEV_FEAT_CHANGE: 29153d249d4cSJiri Pirko team_compute_features(port->team); 29163d249d4cSJiri Pirko break; 2917b01f236cSVeaceslav Falico case NETDEV_PRECHANGEMTU: 29183d249d4cSJiri Pirko /* Forbid to change mtu of underlaying device */ 29199d0d68faSJiri Pirko if (!port->team->port_mtu_change_allowed) 29203d249d4cSJiri Pirko return NOTIFY_BAD; 29219d0d68faSJiri Pirko break; 29223d249d4cSJiri Pirko case NETDEV_PRE_TYPE_CHANGE: 29233d249d4cSJiri Pirko /* Forbid to change type of underlaying device */ 29243d249d4cSJiri Pirko return NOTIFY_BAD; 29254aa5dee4SJiri Pirko case NETDEV_RESEND_IGMP: 29264aa5dee4SJiri Pirko /* Propagate to master device */ 29274aa5dee4SJiri Pirko call_netdevice_notifiers(event, port->team->dev); 29284aa5dee4SJiri Pirko break; 29293d249d4cSJiri Pirko } 29303d249d4cSJiri Pirko return NOTIFY_DONE; 29313d249d4cSJiri Pirko } 29323d249d4cSJiri Pirko 29333d249d4cSJiri Pirko static struct notifier_block team_notifier_block __read_mostly = { 29343d249d4cSJiri Pirko .notifier_call = team_device_event, 29353d249d4cSJiri Pirko }; 29363d249d4cSJiri Pirko 29373d249d4cSJiri Pirko 29383d249d4cSJiri Pirko /*********************** 29393d249d4cSJiri Pirko * Module init and exit 29403d249d4cSJiri Pirko ***********************/ 29413d249d4cSJiri Pirko 29423d249d4cSJiri Pirko static int __init team_module_init(void) 29433d249d4cSJiri Pirko { 29443d249d4cSJiri Pirko int err; 29453d249d4cSJiri Pirko 29463d249d4cSJiri Pirko register_netdevice_notifier(&team_notifier_block); 29473d249d4cSJiri Pirko 29483d249d4cSJiri Pirko err = rtnl_link_register(&team_link_ops); 29493d249d4cSJiri Pirko if (err) 29503d249d4cSJiri Pirko goto err_rtnl_reg; 29513d249d4cSJiri Pirko 29523d249d4cSJiri Pirko err = team_nl_init(); 29533d249d4cSJiri Pirko if (err) 29543d249d4cSJiri Pirko goto err_nl_init; 29553d249d4cSJiri Pirko 29563d249d4cSJiri Pirko return 0; 29573d249d4cSJiri Pirko 29583d249d4cSJiri Pirko err_nl_init: 29593d249d4cSJiri Pirko rtnl_link_unregister(&team_link_ops); 29603d249d4cSJiri Pirko 29613d249d4cSJiri Pirko err_rtnl_reg: 29623d249d4cSJiri Pirko unregister_netdevice_notifier(&team_notifier_block); 29633d249d4cSJiri Pirko 29643d249d4cSJiri Pirko return err; 29653d249d4cSJiri Pirko } 29663d249d4cSJiri Pirko 29673d249d4cSJiri Pirko static void __exit team_module_exit(void) 29683d249d4cSJiri Pirko { 29693d249d4cSJiri Pirko team_nl_fini(); 29703d249d4cSJiri Pirko rtnl_link_unregister(&team_link_ops); 29713d249d4cSJiri Pirko unregister_netdevice_notifier(&team_notifier_block); 29723d249d4cSJiri Pirko } 29733d249d4cSJiri Pirko 29743d249d4cSJiri Pirko module_init(team_module_init); 29753d249d4cSJiri Pirko module_exit(team_module_exit); 29763d249d4cSJiri Pirko 29773d249d4cSJiri Pirko MODULE_LICENSE("GPL v2"); 29783d249d4cSJiri Pirko MODULE_AUTHOR("Jiri Pirko <jpirko@redhat.com>"); 29793d249d4cSJiri Pirko MODULE_DESCRIPTION("Ethernet team device driver"); 29803d249d4cSJiri Pirko MODULE_ALIAS_RTNL_LINK(DRV_NAME); 2981