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> 317f51c587SFlavio Leitner #include <generated/utsrelease.h> 323d249d4cSJiri Pirko #include <linux/if_team.h> 333d249d4cSJiri Pirko 343d249d4cSJiri Pirko #define DRV_NAME "team" 353d249d4cSJiri Pirko 363d249d4cSJiri Pirko 373d249d4cSJiri Pirko /********** 383d249d4cSJiri Pirko * Helpers 393d249d4cSJiri Pirko **********/ 403d249d4cSJiri Pirko 413d249d4cSJiri Pirko #define team_port_exists(dev) (dev->priv_flags & IFF_TEAM_PORT) 423d249d4cSJiri Pirko 433d249d4cSJiri Pirko static struct team_port *team_port_get_rtnl(const struct net_device *dev) 443d249d4cSJiri Pirko { 453d249d4cSJiri Pirko struct team_port *port = rtnl_dereference(dev->rx_handler_data); 463d249d4cSJiri Pirko 473d249d4cSJiri Pirko return team_port_exists(dev) ? port : NULL; 483d249d4cSJiri Pirko } 493d249d4cSJiri Pirko 503d249d4cSJiri Pirko /* 511d76efe1SJiri Pirko * Since the ability to change device address for open port device is tested in 523d249d4cSJiri Pirko * team_port_add, this function can be called without control of return value 533d249d4cSJiri Pirko */ 541d76efe1SJiri Pirko static int __set_port_dev_addr(struct net_device *port_dev, 553d249d4cSJiri Pirko const unsigned char *dev_addr) 563d249d4cSJiri Pirko { 57996f6e12SWANG Cong struct sockaddr_storage addr; 583d249d4cSJiri Pirko 59996f6e12SWANG Cong memcpy(addr.__data, dev_addr, port_dev->addr_len); 60996f6e12SWANG Cong addr.ss_family = port_dev->type; 613a37a963SPetr Machata return dev_set_mac_address(port_dev, (struct sockaddr *)&addr, NULL); 623d249d4cSJiri Pirko } 633d249d4cSJiri Pirko 641d76efe1SJiri Pirko static int team_port_set_orig_dev_addr(struct team_port *port) 653d249d4cSJiri Pirko { 661d76efe1SJiri Pirko return __set_port_dev_addr(port->dev, port->orig.dev_addr); 673d249d4cSJiri Pirko } 683d249d4cSJiri Pirko 69acbba0d0SJiri Pirko static int team_port_set_team_dev_addr(struct team *team, 70acbba0d0SJiri Pirko struct team_port *port) 713d249d4cSJiri Pirko { 72acbba0d0SJiri Pirko return __set_port_dev_addr(port->dev, team->dev->dev_addr); 733d249d4cSJiri Pirko } 74acbba0d0SJiri Pirko 75acbba0d0SJiri Pirko int team_modeop_port_enter(struct team *team, struct team_port *port) 76acbba0d0SJiri Pirko { 77acbba0d0SJiri Pirko return team_port_set_team_dev_addr(team, port); 78acbba0d0SJiri Pirko } 79acbba0d0SJiri Pirko EXPORT_SYMBOL(team_modeop_port_enter); 80acbba0d0SJiri Pirko 81acbba0d0SJiri Pirko void team_modeop_port_change_dev_addr(struct team *team, 82acbba0d0SJiri Pirko struct team_port *port) 83acbba0d0SJiri Pirko { 84acbba0d0SJiri Pirko team_port_set_team_dev_addr(team, port); 85acbba0d0SJiri Pirko } 86acbba0d0SJiri Pirko EXPORT_SYMBOL(team_modeop_port_change_dev_addr); 873d249d4cSJiri Pirko 883a0d6c5aSJiri Pirko static void team_lower_state_changed(struct team_port *port) 893a0d6c5aSJiri Pirko { 903a0d6c5aSJiri Pirko struct netdev_lag_lower_state_info info; 913a0d6c5aSJiri Pirko 923a0d6c5aSJiri Pirko info.link_up = port->linkup; 933a0d6c5aSJiri Pirko info.tx_enabled = team_port_enabled(port); 943a0d6c5aSJiri Pirko netdev_lower_state_changed(port->dev, &info); 953a0d6c5aSJiri Pirko } 963a0d6c5aSJiri Pirko 9771472ec1SJiri Pirko static void team_refresh_port_linkup(struct team_port *port) 9871472ec1SJiri Pirko { 993a0d6c5aSJiri Pirko bool new_linkup = port->user.linkup_enabled ? port->user.linkup : 10071472ec1SJiri Pirko port->state.linkup; 1013a0d6c5aSJiri Pirko 1023a0d6c5aSJiri Pirko if (port->linkup != new_linkup) { 1033a0d6c5aSJiri Pirko port->linkup = new_linkup; 1043a0d6c5aSJiri Pirko team_lower_state_changed(port); 1053a0d6c5aSJiri Pirko } 10671472ec1SJiri Pirko } 1073d249d4cSJiri Pirko 1080f1aad2bSJiri Pirko 1093d249d4cSJiri Pirko /******************* 1103d249d4cSJiri Pirko * Options handling 1113d249d4cSJiri Pirko *******************/ 1123d249d4cSJiri Pirko 11380f7c668SJiri Pirko struct team_option_inst { /* One for each option instance */ 11480f7c668SJiri Pirko struct list_head list; 11501048d9aSJiri Pirko struct list_head tmp_list; 11680f7c668SJiri Pirko struct team_option *option; 11785d59a87SJiri Pirko struct team_option_inst_info info; 11880f7c668SJiri Pirko bool changed; 11980f7c668SJiri Pirko bool removed; 12080f7c668SJiri Pirko }; 12180f7c668SJiri Pirko 12280f7c668SJiri Pirko static struct team_option *__team_find_option(struct team *team, 12380f7c668SJiri Pirko const char *opt_name) 124358b8382SJiri Pirko { 125358b8382SJiri Pirko struct team_option *option; 126358b8382SJiri Pirko 127358b8382SJiri Pirko list_for_each_entry(option, &team->option_list, list) { 128358b8382SJiri Pirko if (strcmp(option->name, opt_name) == 0) 129358b8382SJiri Pirko return option; 130358b8382SJiri Pirko } 131358b8382SJiri Pirko return NULL; 132358b8382SJiri Pirko } 133358b8382SJiri Pirko 13480f7c668SJiri Pirko static void __team_option_inst_del(struct team_option_inst *opt_inst) 13580f7c668SJiri Pirko { 13680f7c668SJiri Pirko list_del(&opt_inst->list); 13780f7c668SJiri Pirko kfree(opt_inst); 13880f7c668SJiri Pirko } 13980f7c668SJiri Pirko 14080f7c668SJiri Pirko static void __team_option_inst_del_option(struct team *team, 14180f7c668SJiri Pirko struct team_option *option) 14280f7c668SJiri Pirko { 14380f7c668SJiri Pirko struct team_option_inst *opt_inst, *tmp; 14480f7c668SJiri Pirko 14580f7c668SJiri Pirko list_for_each_entry_safe(opt_inst, tmp, &team->option_inst_list, list) { 14680f7c668SJiri Pirko if (opt_inst->option == option) 14780f7c668SJiri Pirko __team_option_inst_del(opt_inst); 14880f7c668SJiri Pirko } 14980f7c668SJiri Pirko } 15080f7c668SJiri Pirko 151b1303326SJiri Pirko static int __team_option_inst_add(struct team *team, struct team_option *option, 152b1303326SJiri Pirko struct team_port *port) 153b1303326SJiri Pirko { 154b1303326SJiri Pirko struct team_option_inst *opt_inst; 155b1303326SJiri Pirko unsigned int array_size; 156b1303326SJiri Pirko unsigned int i; 15785d59a87SJiri Pirko int err; 158b1303326SJiri Pirko 159b1303326SJiri Pirko array_size = option->array_size; 160b1303326SJiri Pirko if (!array_size) 161b1303326SJiri Pirko array_size = 1; /* No array but still need one instance */ 162b1303326SJiri Pirko 163b1303326SJiri Pirko for (i = 0; i < array_size; i++) { 164b1303326SJiri Pirko opt_inst = kmalloc(sizeof(*opt_inst), GFP_KERNEL); 165b1303326SJiri Pirko if (!opt_inst) 166b1303326SJiri Pirko return -ENOMEM; 167b1303326SJiri Pirko opt_inst->option = option; 16885d59a87SJiri Pirko opt_inst->info.port = port; 16985d59a87SJiri Pirko opt_inst->info.array_index = i; 170b1303326SJiri Pirko opt_inst->changed = true; 171b1303326SJiri Pirko opt_inst->removed = false; 172b1303326SJiri Pirko list_add_tail(&opt_inst->list, &team->option_inst_list); 17385d59a87SJiri Pirko if (option->init) { 17485d59a87SJiri Pirko err = option->init(team, &opt_inst->info); 17585d59a87SJiri Pirko if (err) 17685d59a87SJiri Pirko return err; 17785d59a87SJiri Pirko } 17885d59a87SJiri Pirko 179b1303326SJiri Pirko } 180b1303326SJiri Pirko return 0; 181b1303326SJiri Pirko } 182b1303326SJiri Pirko 18380f7c668SJiri Pirko static int __team_option_inst_add_option(struct team *team, 18480f7c668SJiri Pirko struct team_option *option) 18580f7c668SJiri Pirko { 18680f7c668SJiri Pirko int err; 18780f7c668SJiri Pirko 188b1303326SJiri Pirko if (!option->per_port) { 189f88725ffSJiri Pirko err = __team_option_inst_add(team, option, NULL); 190b1303326SJiri Pirko if (err) 191b1303326SJiri Pirko goto inst_del_option; 192b1303326SJiri Pirko } 19380f7c668SJiri Pirko return 0; 19480f7c668SJiri Pirko 19580f7c668SJiri Pirko inst_del_option: 19680f7c668SJiri Pirko __team_option_inst_del_option(team, option); 19780f7c668SJiri Pirko return err; 19880f7c668SJiri Pirko } 19980f7c668SJiri Pirko 20080f7c668SJiri Pirko static void __team_option_inst_mark_removed_option(struct team *team, 20180f7c668SJiri Pirko struct team_option *option) 20280f7c668SJiri Pirko { 20380f7c668SJiri Pirko struct team_option_inst *opt_inst; 20480f7c668SJiri Pirko 20580f7c668SJiri Pirko list_for_each_entry(opt_inst, &team->option_inst_list, list) { 20680f7c668SJiri Pirko if (opt_inst->option == option) { 20780f7c668SJiri Pirko opt_inst->changed = true; 20880f7c668SJiri Pirko opt_inst->removed = true; 20980f7c668SJiri Pirko } 21080f7c668SJiri Pirko } 21180f7c668SJiri Pirko } 21280f7c668SJiri Pirko 21380f7c668SJiri Pirko static void __team_option_inst_del_port(struct team *team, 21480f7c668SJiri Pirko struct team_port *port) 21580f7c668SJiri Pirko { 21680f7c668SJiri Pirko struct team_option_inst *opt_inst, *tmp; 21780f7c668SJiri Pirko 21880f7c668SJiri Pirko list_for_each_entry_safe(opt_inst, tmp, &team->option_inst_list, list) { 21980f7c668SJiri Pirko if (opt_inst->option->per_port && 22085d59a87SJiri Pirko opt_inst->info.port == port) 22180f7c668SJiri Pirko __team_option_inst_del(opt_inst); 22280f7c668SJiri Pirko } 22380f7c668SJiri Pirko } 22480f7c668SJiri Pirko 22580f7c668SJiri Pirko static int __team_option_inst_add_port(struct team *team, 22680f7c668SJiri Pirko struct team_port *port) 22780f7c668SJiri Pirko { 22880f7c668SJiri Pirko struct team_option *option; 22980f7c668SJiri Pirko int err; 23080f7c668SJiri Pirko 23180f7c668SJiri Pirko list_for_each_entry(option, &team->option_list, list) { 23280f7c668SJiri Pirko if (!option->per_port) 23380f7c668SJiri Pirko continue; 23480f7c668SJiri Pirko err = __team_option_inst_add(team, option, port); 23580f7c668SJiri Pirko if (err) 23680f7c668SJiri Pirko goto inst_del_port; 23780f7c668SJiri Pirko } 23880f7c668SJiri Pirko return 0; 23980f7c668SJiri Pirko 24080f7c668SJiri Pirko inst_del_port: 24180f7c668SJiri Pirko __team_option_inst_del_port(team, port); 24280f7c668SJiri Pirko return err; 24380f7c668SJiri Pirko } 24480f7c668SJiri Pirko 24580f7c668SJiri Pirko static void __team_option_inst_mark_removed_port(struct team *team, 24680f7c668SJiri Pirko struct team_port *port) 24780f7c668SJiri Pirko { 24880f7c668SJiri Pirko struct team_option_inst *opt_inst; 24980f7c668SJiri Pirko 25080f7c668SJiri Pirko list_for_each_entry(opt_inst, &team->option_inst_list, list) { 25185d59a87SJiri Pirko if (opt_inst->info.port == port) { 25280f7c668SJiri Pirko opt_inst->changed = true; 25380f7c668SJiri Pirko opt_inst->removed = true; 25480f7c668SJiri Pirko } 25580f7c668SJiri Pirko } 25680f7c668SJiri Pirko } 25780f7c668SJiri Pirko 25880f7c668SJiri Pirko static int __team_options_register(struct team *team, 259358b8382SJiri Pirko const struct team_option *option, 2603d249d4cSJiri Pirko size_t option_count) 2613d249d4cSJiri Pirko { 2623d249d4cSJiri Pirko int i; 2632bba19ffSJiri Pirko struct team_option **dst_opts; 264358b8382SJiri Pirko int err; 2653d249d4cSJiri Pirko 2666396bb22SKees Cook dst_opts = kcalloc(option_count, sizeof(struct team_option *), 2672bba19ffSJiri Pirko GFP_KERNEL); 2682bba19ffSJiri Pirko if (!dst_opts) 2692bba19ffSJiri Pirko return -ENOMEM; 270358b8382SJiri Pirko for (i = 0; i < option_count; i++, option++) { 271358b8382SJiri Pirko if (__team_find_option(team, option->name)) { 272358b8382SJiri Pirko err = -EEXIST; 27380f7c668SJiri Pirko goto alloc_rollback; 2743d249d4cSJiri Pirko } 275f8a15af0SJiri Pirko dst_opts[i] = kmemdup(option, sizeof(*option), GFP_KERNEL); 276f8a15af0SJiri Pirko if (!dst_opts[i]) { 277358b8382SJiri Pirko err = -ENOMEM; 27880f7c668SJiri Pirko goto alloc_rollback; 279358b8382SJiri Pirko } 280358b8382SJiri Pirko } 281358b8382SJiri Pirko 282b82b9183SJiri Pirko for (i = 0; i < option_count; i++) { 28380f7c668SJiri Pirko err = __team_option_inst_add_option(team, dst_opts[i]); 28480f7c668SJiri Pirko if (err) 28580f7c668SJiri Pirko goto inst_rollback; 286358b8382SJiri Pirko list_add_tail(&dst_opts[i]->list, &team->option_list); 287b82b9183SJiri Pirko } 288358b8382SJiri Pirko 2892bba19ffSJiri Pirko kfree(dst_opts); 290358b8382SJiri Pirko return 0; 291358b8382SJiri Pirko 29280f7c668SJiri Pirko inst_rollback: 29380f7c668SJiri Pirko for (i--; i >= 0; i--) 29480f7c668SJiri Pirko __team_option_inst_del_option(team, dst_opts[i]); 29580f7c668SJiri Pirko 29680f7c668SJiri Pirko i = option_count - 1; 29780f7c668SJiri Pirko alloc_rollback: 29880f7c668SJiri Pirko for (i--; i >= 0; i--) 299358b8382SJiri Pirko kfree(dst_opts[i]); 300358b8382SJiri Pirko 3012bba19ffSJiri Pirko kfree(dst_opts); 302358b8382SJiri Pirko return err; 303358b8382SJiri Pirko } 304358b8382SJiri Pirko 305b82b9183SJiri Pirko static void __team_options_mark_removed(struct team *team, 306b82b9183SJiri Pirko const struct team_option *option, 307b82b9183SJiri Pirko size_t option_count) 308b82b9183SJiri Pirko { 309b82b9183SJiri Pirko int i; 3103d249d4cSJiri Pirko 311b82b9183SJiri Pirko for (i = 0; i < option_count; i++, option++) { 312b82b9183SJiri Pirko struct team_option *del_opt; 313b82b9183SJiri Pirko 314b82b9183SJiri Pirko del_opt = __team_find_option(team, option->name); 31580f7c668SJiri Pirko if (del_opt) 31680f7c668SJiri Pirko __team_option_inst_mark_removed_option(team, del_opt); 317b82b9183SJiri Pirko } 318b82b9183SJiri Pirko } 3193d249d4cSJiri Pirko 3203d249d4cSJiri Pirko static void __team_options_unregister(struct team *team, 321358b8382SJiri Pirko const struct team_option *option, 3223d249d4cSJiri Pirko size_t option_count) 3233d249d4cSJiri Pirko { 3243d249d4cSJiri Pirko int i; 3253d249d4cSJiri Pirko 326358b8382SJiri Pirko for (i = 0; i < option_count; i++, option++) { 327358b8382SJiri Pirko struct team_option *del_opt; 328358b8382SJiri Pirko 329358b8382SJiri Pirko del_opt = __team_find_option(team, option->name); 330358b8382SJiri Pirko if (del_opt) { 33180f7c668SJiri Pirko __team_option_inst_del_option(team, del_opt); 332358b8382SJiri Pirko list_del(&del_opt->list); 333358b8382SJiri Pirko kfree(del_opt); 334358b8382SJiri Pirko } 335358b8382SJiri Pirko } 3363d249d4cSJiri Pirko } 3373d249d4cSJiri Pirko 338b82b9183SJiri Pirko static void __team_options_change_check(struct team *team); 339b82b9183SJiri Pirko 340b82b9183SJiri Pirko int team_options_register(struct team *team, 341b82b9183SJiri Pirko const struct team_option *option, 342b82b9183SJiri Pirko size_t option_count) 343b82b9183SJiri Pirko { 344b82b9183SJiri Pirko int err; 345b82b9183SJiri Pirko 346b82b9183SJiri Pirko err = __team_options_register(team, option, option_count); 347b82b9183SJiri Pirko if (err) 348b82b9183SJiri Pirko return err; 349b82b9183SJiri Pirko __team_options_change_check(team); 350b82b9183SJiri Pirko return 0; 351b82b9183SJiri Pirko } 352b82b9183SJiri Pirko EXPORT_SYMBOL(team_options_register); 353b82b9183SJiri Pirko 354358b8382SJiri Pirko void team_options_unregister(struct team *team, 355358b8382SJiri Pirko const struct team_option *option, 3563d249d4cSJiri Pirko size_t option_count) 3573d249d4cSJiri Pirko { 358b82b9183SJiri Pirko __team_options_mark_removed(team, option, option_count); 359b82b9183SJiri Pirko __team_options_change_check(team); 3603d249d4cSJiri Pirko __team_options_unregister(team, option, option_count); 3613d249d4cSJiri Pirko } 3623d249d4cSJiri Pirko EXPORT_SYMBOL(team_options_unregister); 3633d249d4cSJiri Pirko 36480f7c668SJiri Pirko static int team_option_get(struct team *team, 36580f7c668SJiri Pirko struct team_option_inst *opt_inst, 36680f7c668SJiri Pirko struct team_gsetter_ctx *ctx) 36780f7c668SJiri Pirko { 368f82b959dSJiri Pirko if (!opt_inst->option->getter) 369f82b959dSJiri Pirko return -EOPNOTSUPP; 37080f7c668SJiri Pirko return opt_inst->option->getter(team, ctx); 37180f7c668SJiri Pirko } 37280f7c668SJiri Pirko 37380f7c668SJiri Pirko static int team_option_set(struct team *team, 37480f7c668SJiri Pirko struct team_option_inst *opt_inst, 37580f7c668SJiri Pirko struct team_gsetter_ctx *ctx) 37680f7c668SJiri Pirko { 377f82b959dSJiri Pirko if (!opt_inst->option->setter) 378f82b959dSJiri Pirko return -EOPNOTSUPP; 3792fcdb2c9SJiri Pirko return opt_inst->option->setter(team, ctx); 3803d249d4cSJiri Pirko } 3813d249d4cSJiri Pirko 3820f1aad2bSJiri Pirko void team_option_inst_set_change(struct team_option_inst_info *opt_inst_info) 3830f1aad2bSJiri Pirko { 3840f1aad2bSJiri Pirko struct team_option_inst *opt_inst; 3850f1aad2bSJiri Pirko 3860f1aad2bSJiri Pirko opt_inst = container_of(opt_inst_info, struct team_option_inst, info); 3870f1aad2bSJiri Pirko opt_inst->changed = true; 3880f1aad2bSJiri Pirko } 3890f1aad2bSJiri Pirko EXPORT_SYMBOL(team_option_inst_set_change); 3900f1aad2bSJiri Pirko 3910f1aad2bSJiri Pirko void team_options_change_check(struct team *team) 3920f1aad2bSJiri Pirko { 3930f1aad2bSJiri Pirko __team_options_change_check(team); 3940f1aad2bSJiri Pirko } 3950f1aad2bSJiri Pirko EXPORT_SYMBOL(team_options_change_check); 3960f1aad2bSJiri Pirko 3970f1aad2bSJiri Pirko 3983d249d4cSJiri Pirko /**************** 3993d249d4cSJiri Pirko * Mode handling 4003d249d4cSJiri Pirko ****************/ 4013d249d4cSJiri Pirko 4023d249d4cSJiri Pirko static LIST_HEAD(mode_list); 4033d249d4cSJiri Pirko static DEFINE_SPINLOCK(mode_list_lock); 4043d249d4cSJiri Pirko 4050402788aSJiri Pirko struct team_mode_item { 4060402788aSJiri Pirko struct list_head list; 4070402788aSJiri Pirko const struct team_mode *mode; 4080402788aSJiri Pirko }; 4093d249d4cSJiri Pirko 4100402788aSJiri Pirko static struct team_mode_item *__find_mode(const char *kind) 4110402788aSJiri Pirko { 4120402788aSJiri Pirko struct team_mode_item *mitem; 4130402788aSJiri Pirko 4140402788aSJiri Pirko list_for_each_entry(mitem, &mode_list, list) { 4150402788aSJiri Pirko if (strcmp(mitem->mode->kind, kind) == 0) 4160402788aSJiri Pirko return mitem; 4173d249d4cSJiri Pirko } 4183d249d4cSJiri Pirko return NULL; 4193d249d4cSJiri Pirko } 4203d249d4cSJiri Pirko 4213d249d4cSJiri Pirko static bool is_good_mode_name(const char *name) 4223d249d4cSJiri Pirko { 4233d249d4cSJiri Pirko while (*name != '\0') { 4243d249d4cSJiri Pirko if (!isalpha(*name) && !isdigit(*name) && *name != '_') 4253d249d4cSJiri Pirko return false; 4263d249d4cSJiri Pirko name++; 4273d249d4cSJiri Pirko } 4283d249d4cSJiri Pirko return true; 4293d249d4cSJiri Pirko } 4303d249d4cSJiri Pirko 4310402788aSJiri Pirko int team_mode_register(const struct team_mode *mode) 4323d249d4cSJiri Pirko { 4333d249d4cSJiri Pirko int err = 0; 4340402788aSJiri Pirko struct team_mode_item *mitem; 4353d249d4cSJiri Pirko 4363d249d4cSJiri Pirko if (!is_good_mode_name(mode->kind) || 4373d249d4cSJiri Pirko mode->priv_size > TEAM_MODE_PRIV_SIZE) 4383d249d4cSJiri Pirko return -EINVAL; 4390402788aSJiri Pirko 4400402788aSJiri Pirko mitem = kmalloc(sizeof(*mitem), GFP_KERNEL); 4410402788aSJiri Pirko if (!mitem) 4420402788aSJiri Pirko return -ENOMEM; 4430402788aSJiri Pirko 4443d249d4cSJiri Pirko spin_lock(&mode_list_lock); 4453d249d4cSJiri Pirko if (__find_mode(mode->kind)) { 4463d249d4cSJiri Pirko err = -EEXIST; 4470402788aSJiri Pirko kfree(mitem); 4483d249d4cSJiri Pirko goto unlock; 4493d249d4cSJiri Pirko } 4500402788aSJiri Pirko mitem->mode = mode; 4510402788aSJiri Pirko list_add_tail(&mitem->list, &mode_list); 4523d249d4cSJiri Pirko unlock: 4533d249d4cSJiri Pirko spin_unlock(&mode_list_lock); 4543d249d4cSJiri Pirko return err; 4553d249d4cSJiri Pirko } 4563d249d4cSJiri Pirko EXPORT_SYMBOL(team_mode_register); 4573d249d4cSJiri Pirko 4580402788aSJiri Pirko void team_mode_unregister(const struct team_mode *mode) 4593d249d4cSJiri Pirko { 4600402788aSJiri Pirko struct team_mode_item *mitem; 4610402788aSJiri Pirko 4623d249d4cSJiri Pirko spin_lock(&mode_list_lock); 4630402788aSJiri Pirko mitem = __find_mode(mode->kind); 4640402788aSJiri Pirko if (mitem) { 4650402788aSJiri Pirko list_del_init(&mitem->list); 4660402788aSJiri Pirko kfree(mitem); 4670402788aSJiri Pirko } 4683d249d4cSJiri Pirko spin_unlock(&mode_list_lock); 4693d249d4cSJiri Pirko } 4703d249d4cSJiri Pirko EXPORT_SYMBOL(team_mode_unregister); 4713d249d4cSJiri Pirko 4720402788aSJiri Pirko static const struct team_mode *team_mode_get(const char *kind) 4733d249d4cSJiri Pirko { 4740402788aSJiri Pirko struct team_mode_item *mitem; 4750402788aSJiri Pirko const struct team_mode *mode = NULL; 4763d249d4cSJiri Pirko 4773d249d4cSJiri Pirko spin_lock(&mode_list_lock); 4780402788aSJiri Pirko mitem = __find_mode(kind); 4790402788aSJiri Pirko if (!mitem) { 4803d249d4cSJiri Pirko spin_unlock(&mode_list_lock); 4813d249d4cSJiri Pirko request_module("team-mode-%s", kind); 4823d249d4cSJiri Pirko spin_lock(&mode_list_lock); 4830402788aSJiri Pirko mitem = __find_mode(kind); 4843d249d4cSJiri Pirko } 4850402788aSJiri Pirko if (mitem) { 4860402788aSJiri Pirko mode = mitem->mode; 4873d249d4cSJiri Pirko if (!try_module_get(mode->owner)) 4883d249d4cSJiri Pirko mode = NULL; 4890402788aSJiri Pirko } 4903d249d4cSJiri Pirko 4913d249d4cSJiri Pirko spin_unlock(&mode_list_lock); 4923d249d4cSJiri Pirko return mode; 4933d249d4cSJiri Pirko } 4943d249d4cSJiri Pirko 4953d249d4cSJiri Pirko static void team_mode_put(const struct team_mode *mode) 4963d249d4cSJiri Pirko { 4973d249d4cSJiri Pirko module_put(mode->owner); 4983d249d4cSJiri Pirko } 4993d249d4cSJiri Pirko 5003d249d4cSJiri Pirko static bool team_dummy_transmit(struct team *team, struct sk_buff *skb) 5013d249d4cSJiri Pirko { 5023d249d4cSJiri Pirko dev_kfree_skb_any(skb); 5033d249d4cSJiri Pirko return false; 5043d249d4cSJiri Pirko } 5053d249d4cSJiri Pirko 5062ea46599Sstephen hemminger static rx_handler_result_t team_dummy_receive(struct team *team, 5073d249d4cSJiri Pirko struct team_port *port, 5083d249d4cSJiri Pirko struct sk_buff *skb) 5093d249d4cSJiri Pirko { 5103d249d4cSJiri Pirko return RX_HANDLER_ANOTHER; 5113d249d4cSJiri Pirko } 5123d249d4cSJiri Pirko 513d299cd51SJiri Pirko static const struct team_mode __team_no_mode = { 514d299cd51SJiri Pirko .kind = "*NOMODE*", 515d299cd51SJiri Pirko }; 516d299cd51SJiri Pirko 517d299cd51SJiri Pirko static bool team_is_mode_set(struct team *team) 518d299cd51SJiri Pirko { 519d299cd51SJiri Pirko return team->mode != &__team_no_mode; 520d299cd51SJiri Pirko } 521d299cd51SJiri Pirko 522d299cd51SJiri Pirko static void team_set_no_mode(struct team *team) 523d299cd51SJiri Pirko { 524e185483eSFlavio Leitner team->user_carrier_enabled = false; 525d299cd51SJiri Pirko team->mode = &__team_no_mode; 526d299cd51SJiri Pirko } 527d299cd51SJiri Pirko 528735d381fSJiri Pirko static void team_adjust_ops(struct team *team) 5293d249d4cSJiri Pirko { 5303d249d4cSJiri Pirko /* 5313d249d4cSJiri Pirko * To avoid checks in rx/tx skb paths, ensure here that non-null and 5323d249d4cSJiri Pirko * correct ops are always set. 5333d249d4cSJiri Pirko */ 5343d249d4cSJiri Pirko 535735d381fSJiri Pirko if (!team->en_port_count || !team_is_mode_set(team) || 536122bb046SJiri Pirko !team->mode->ops->transmit) 5373d249d4cSJiri Pirko team->ops.transmit = team_dummy_transmit; 5383d249d4cSJiri Pirko else 5393d249d4cSJiri Pirko team->ops.transmit = team->mode->ops->transmit; 5403d249d4cSJiri Pirko 541735d381fSJiri Pirko if (!team->en_port_count || !team_is_mode_set(team) || 542122bb046SJiri Pirko !team->mode->ops->receive) 5433d249d4cSJiri Pirko team->ops.receive = team_dummy_receive; 5443d249d4cSJiri Pirko else 5453d249d4cSJiri Pirko team->ops.receive = team->mode->ops->receive; 5463d249d4cSJiri Pirko } 5473d249d4cSJiri Pirko 5483d249d4cSJiri Pirko /* 5493d249d4cSJiri Pirko * We can benefit from the fact that it's ensured no port is present 5503d249d4cSJiri Pirko * at the time of mode change. Therefore no packets are in fly so there's no 5513d249d4cSJiri Pirko * need to set mode operations in any special way. 5523d249d4cSJiri Pirko */ 5533d249d4cSJiri Pirko static int __team_change_mode(struct team *team, 5543d249d4cSJiri Pirko const struct team_mode *new_mode) 5553d249d4cSJiri Pirko { 5563d249d4cSJiri Pirko /* Check if mode was previously set and do cleanup if so */ 557d299cd51SJiri Pirko if (team_is_mode_set(team)) { 5583d249d4cSJiri Pirko void (*exit_op)(struct team *team) = team->ops.exit; 5593d249d4cSJiri Pirko 5603d249d4cSJiri Pirko /* Clear ops area so no callback is called any longer */ 5613d249d4cSJiri Pirko memset(&team->ops, 0, sizeof(struct team_mode_ops)); 5623d249d4cSJiri Pirko team_adjust_ops(team); 5633d249d4cSJiri Pirko 5643d249d4cSJiri Pirko if (exit_op) 5653d249d4cSJiri Pirko exit_op(team); 5663d249d4cSJiri Pirko team_mode_put(team->mode); 567d299cd51SJiri Pirko team_set_no_mode(team); 5683d249d4cSJiri Pirko /* zero private data area */ 5693d249d4cSJiri Pirko memset(&team->mode_priv, 0, 5703d249d4cSJiri Pirko sizeof(struct team) - offsetof(struct team, mode_priv)); 5713d249d4cSJiri Pirko } 5723d249d4cSJiri Pirko 5733d249d4cSJiri Pirko if (!new_mode) 5743d249d4cSJiri Pirko return 0; 5753d249d4cSJiri Pirko 5763d249d4cSJiri Pirko if (new_mode->ops->init) { 5773d249d4cSJiri Pirko int err; 5783d249d4cSJiri Pirko 5793d249d4cSJiri Pirko err = new_mode->ops->init(team); 5803d249d4cSJiri Pirko if (err) 5813d249d4cSJiri Pirko return err; 5823d249d4cSJiri Pirko } 5833d249d4cSJiri Pirko 5843d249d4cSJiri Pirko team->mode = new_mode; 5853d249d4cSJiri Pirko memcpy(&team->ops, new_mode->ops, sizeof(struct team_mode_ops)); 5863d249d4cSJiri Pirko team_adjust_ops(team); 5873d249d4cSJiri Pirko 5883d249d4cSJiri Pirko return 0; 5893d249d4cSJiri Pirko } 5903d249d4cSJiri Pirko 5913d249d4cSJiri Pirko static int team_change_mode(struct team *team, const char *kind) 5923d249d4cSJiri Pirko { 5930402788aSJiri Pirko const struct team_mode *new_mode; 5943d249d4cSJiri Pirko struct net_device *dev = team->dev; 5953d249d4cSJiri Pirko int err; 5963d249d4cSJiri Pirko 5973d249d4cSJiri Pirko if (!list_empty(&team->port_list)) { 5983d249d4cSJiri Pirko netdev_err(dev, "No ports can be present during mode change\n"); 5993d249d4cSJiri Pirko return -EBUSY; 6003d249d4cSJiri Pirko } 6013d249d4cSJiri Pirko 602d299cd51SJiri Pirko if (team_is_mode_set(team) && strcmp(team->mode->kind, kind) == 0) { 6033d249d4cSJiri Pirko netdev_err(dev, "Unable to change to the same mode the team is in\n"); 6043d249d4cSJiri Pirko return -EINVAL; 6053d249d4cSJiri Pirko } 6063d249d4cSJiri Pirko 6073d249d4cSJiri Pirko new_mode = team_mode_get(kind); 6083d249d4cSJiri Pirko if (!new_mode) { 6093d249d4cSJiri Pirko netdev_err(dev, "Mode \"%s\" not found\n", kind); 6103d249d4cSJiri Pirko return -EINVAL; 6113d249d4cSJiri Pirko } 6123d249d4cSJiri Pirko 6133d249d4cSJiri Pirko err = __team_change_mode(team, new_mode); 6143d249d4cSJiri Pirko if (err) { 6153d249d4cSJiri Pirko netdev_err(dev, "Failed to change to mode \"%s\"\n", kind); 6163d249d4cSJiri Pirko team_mode_put(new_mode); 6173d249d4cSJiri Pirko return err; 6183d249d4cSJiri Pirko } 6193d249d4cSJiri Pirko 6203d249d4cSJiri Pirko netdev_info(dev, "Mode changed to \"%s\"\n", kind); 6213d249d4cSJiri Pirko return 0; 6223d249d4cSJiri Pirko } 6233d249d4cSJiri Pirko 6243d249d4cSJiri Pirko 625fc423ff0SJiri Pirko /********************* 626fc423ff0SJiri Pirko * Peers notification 627fc423ff0SJiri Pirko *********************/ 628fc423ff0SJiri Pirko 629fc423ff0SJiri Pirko static void team_notify_peers_work(struct work_struct *work) 630fc423ff0SJiri Pirko { 631fc423ff0SJiri Pirko struct team *team; 632b0d11b42SJiri Pirko int val; 633fc423ff0SJiri Pirko 634fc423ff0SJiri Pirko team = container_of(work, struct team, notify_peers.dw.work); 635fc423ff0SJiri Pirko 636fc423ff0SJiri Pirko if (!rtnl_trylock()) { 637fc423ff0SJiri Pirko schedule_delayed_work(&team->notify_peers.dw, 0); 638fc423ff0SJiri Pirko return; 639fc423ff0SJiri Pirko } 640b0d11b42SJiri Pirko val = atomic_dec_if_positive(&team->notify_peers.count_pending); 641b0d11b42SJiri Pirko if (val < 0) { 642b0d11b42SJiri Pirko rtnl_unlock(); 643b0d11b42SJiri Pirko return; 644b0d11b42SJiri Pirko } 645fc423ff0SJiri Pirko call_netdevice_notifiers(NETDEV_NOTIFY_PEERS, team->dev); 646fc423ff0SJiri Pirko rtnl_unlock(); 647b0d11b42SJiri Pirko if (val) 648fc423ff0SJiri Pirko schedule_delayed_work(&team->notify_peers.dw, 649fc423ff0SJiri Pirko msecs_to_jiffies(team->notify_peers.interval)); 650fc423ff0SJiri Pirko } 651fc423ff0SJiri Pirko 652fc423ff0SJiri Pirko static void team_notify_peers(struct team *team) 653fc423ff0SJiri Pirko { 654fc423ff0SJiri Pirko if (!team->notify_peers.count || !netif_running(team->dev)) 655fc423ff0SJiri Pirko return; 65647549650SJoe Lawrence atomic_add(team->notify_peers.count, &team->notify_peers.count_pending); 657fc423ff0SJiri Pirko schedule_delayed_work(&team->notify_peers.dw, 0); 658fc423ff0SJiri Pirko } 659fc423ff0SJiri Pirko 660fc423ff0SJiri Pirko static void team_notify_peers_init(struct team *team) 661fc423ff0SJiri Pirko { 662fc423ff0SJiri Pirko INIT_DELAYED_WORK(&team->notify_peers.dw, team_notify_peers_work); 663fc423ff0SJiri Pirko } 664fc423ff0SJiri Pirko 665fc423ff0SJiri Pirko static void team_notify_peers_fini(struct team *team) 666fc423ff0SJiri Pirko { 667fc423ff0SJiri Pirko cancel_delayed_work_sync(&team->notify_peers.dw); 668fc423ff0SJiri Pirko } 669fc423ff0SJiri Pirko 670fc423ff0SJiri Pirko 671492b200eSJiri Pirko /******************************* 672492b200eSJiri Pirko * Send multicast group rejoins 673492b200eSJiri Pirko *******************************/ 674492b200eSJiri Pirko 675492b200eSJiri Pirko static void team_mcast_rejoin_work(struct work_struct *work) 676492b200eSJiri Pirko { 677492b200eSJiri Pirko struct team *team; 678b0d11b42SJiri Pirko int val; 679492b200eSJiri Pirko 680492b200eSJiri Pirko team = container_of(work, struct team, mcast_rejoin.dw.work); 681492b200eSJiri Pirko 682492b200eSJiri Pirko if (!rtnl_trylock()) { 683492b200eSJiri Pirko schedule_delayed_work(&team->mcast_rejoin.dw, 0); 684492b200eSJiri Pirko return; 685492b200eSJiri Pirko } 686b0d11b42SJiri Pirko val = atomic_dec_if_positive(&team->mcast_rejoin.count_pending); 687b0d11b42SJiri Pirko if (val < 0) { 688b0d11b42SJiri Pirko rtnl_unlock(); 689b0d11b42SJiri Pirko return; 690b0d11b42SJiri Pirko } 691492b200eSJiri Pirko call_netdevice_notifiers(NETDEV_RESEND_IGMP, team->dev); 692492b200eSJiri Pirko rtnl_unlock(); 693b0d11b42SJiri Pirko if (val) 694492b200eSJiri Pirko schedule_delayed_work(&team->mcast_rejoin.dw, 695492b200eSJiri Pirko msecs_to_jiffies(team->mcast_rejoin.interval)); 696492b200eSJiri Pirko } 697492b200eSJiri Pirko 698492b200eSJiri Pirko static void team_mcast_rejoin(struct team *team) 699492b200eSJiri Pirko { 700492b200eSJiri Pirko if (!team->mcast_rejoin.count || !netif_running(team->dev)) 701492b200eSJiri Pirko return; 70247549650SJoe Lawrence atomic_add(team->mcast_rejoin.count, &team->mcast_rejoin.count_pending); 703492b200eSJiri Pirko schedule_delayed_work(&team->mcast_rejoin.dw, 0); 704492b200eSJiri Pirko } 705492b200eSJiri Pirko 706492b200eSJiri Pirko static void team_mcast_rejoin_init(struct team *team) 707492b200eSJiri Pirko { 708492b200eSJiri Pirko INIT_DELAYED_WORK(&team->mcast_rejoin.dw, team_mcast_rejoin_work); 709492b200eSJiri Pirko } 710492b200eSJiri Pirko 711492b200eSJiri Pirko static void team_mcast_rejoin_fini(struct team *team) 712492b200eSJiri Pirko { 713492b200eSJiri Pirko cancel_delayed_work_sync(&team->mcast_rejoin.dw); 714492b200eSJiri Pirko } 715492b200eSJiri Pirko 716492b200eSJiri Pirko 7173d249d4cSJiri Pirko /************************ 7183d249d4cSJiri Pirko * Rx path frame handler 7193d249d4cSJiri Pirko ************************/ 7203d249d4cSJiri Pirko 7213d249d4cSJiri Pirko /* note: already called with rcu_read_lock */ 7223d249d4cSJiri Pirko static rx_handler_result_t team_handle_frame(struct sk_buff **pskb) 7233d249d4cSJiri Pirko { 7243d249d4cSJiri Pirko struct sk_buff *skb = *pskb; 7253d249d4cSJiri Pirko struct team_port *port; 7263d249d4cSJiri Pirko struct team *team; 7273d249d4cSJiri Pirko rx_handler_result_t res; 7283d249d4cSJiri Pirko 7293d249d4cSJiri Pirko skb = skb_share_check(skb, GFP_ATOMIC); 7303d249d4cSJiri Pirko if (!skb) 7313d249d4cSJiri Pirko return RX_HANDLER_CONSUMED; 7323d249d4cSJiri Pirko 7333d249d4cSJiri Pirko *pskb = skb; 7343d249d4cSJiri Pirko 7353d249d4cSJiri Pirko port = team_port_get_rcu(skb->dev); 7363d249d4cSJiri Pirko team = port->team; 73719a0b58eSJiri Pirko if (!team_port_enabled(port)) { 73819a0b58eSJiri Pirko /* allow exact match delivery for disabled ports */ 73919a0b58eSJiri Pirko res = RX_HANDLER_EXACT; 74019a0b58eSJiri Pirko } else { 7413d249d4cSJiri Pirko res = team->ops.receive(team, port, skb); 74219a0b58eSJiri Pirko } 7433d249d4cSJiri Pirko if (res == RX_HANDLER_ANOTHER) { 7443d249d4cSJiri Pirko struct team_pcpu_stats *pcpu_stats; 7453d249d4cSJiri Pirko 7463d249d4cSJiri Pirko pcpu_stats = this_cpu_ptr(team->pcpu_stats); 7473d249d4cSJiri Pirko u64_stats_update_begin(&pcpu_stats->syncp); 7483d249d4cSJiri Pirko pcpu_stats->rx_packets++; 7493d249d4cSJiri Pirko pcpu_stats->rx_bytes += skb->len; 7503d249d4cSJiri Pirko if (skb->pkt_type == PACKET_MULTICAST) 7513d249d4cSJiri Pirko pcpu_stats->rx_multicast++; 7523d249d4cSJiri Pirko u64_stats_update_end(&pcpu_stats->syncp); 7533d249d4cSJiri Pirko 7543d249d4cSJiri Pirko skb->dev = team->dev; 755bb63daf9SJarod Wilson } else if (res == RX_HANDLER_EXACT) { 756bb63daf9SJarod Wilson this_cpu_inc(team->pcpu_stats->rx_nohandler); 7573d249d4cSJiri Pirko } else { 7583d249d4cSJiri Pirko this_cpu_inc(team->pcpu_stats->rx_dropped); 7593d249d4cSJiri Pirko } 7603d249d4cSJiri Pirko 7613d249d4cSJiri Pirko return res; 7623d249d4cSJiri Pirko } 7633d249d4cSJiri Pirko 7643d249d4cSJiri Pirko 7658ff5105aSJiri Pirko /************************************* 7668ff5105aSJiri Pirko * Multiqueue Tx port select override 7678ff5105aSJiri Pirko *************************************/ 7688ff5105aSJiri Pirko 7698ff5105aSJiri Pirko static int team_queue_override_init(struct team *team) 7708ff5105aSJiri Pirko { 7718ff5105aSJiri Pirko struct list_head *listarr; 7728ff5105aSJiri Pirko unsigned int queue_cnt = team->dev->num_tx_queues - 1; 7738ff5105aSJiri Pirko unsigned int i; 7748ff5105aSJiri Pirko 7758ff5105aSJiri Pirko if (!queue_cnt) 7768ff5105aSJiri Pirko return 0; 7776da2ec56SKees Cook listarr = kmalloc_array(queue_cnt, sizeof(struct list_head), 7786da2ec56SKees Cook GFP_KERNEL); 7798ff5105aSJiri Pirko if (!listarr) 7808ff5105aSJiri Pirko return -ENOMEM; 7818ff5105aSJiri Pirko team->qom_lists = listarr; 7828ff5105aSJiri Pirko for (i = 0; i < queue_cnt; i++) 7838ff5105aSJiri Pirko INIT_LIST_HEAD(listarr++); 7848ff5105aSJiri Pirko return 0; 7858ff5105aSJiri Pirko } 7868ff5105aSJiri Pirko 7878ff5105aSJiri Pirko static void team_queue_override_fini(struct team *team) 7888ff5105aSJiri Pirko { 7898ff5105aSJiri Pirko kfree(team->qom_lists); 7908ff5105aSJiri Pirko } 7918ff5105aSJiri Pirko 7928ff5105aSJiri Pirko static struct list_head *__team_get_qom_list(struct team *team, u16 queue_id) 7938ff5105aSJiri Pirko { 7948ff5105aSJiri Pirko return &team->qom_lists[queue_id - 1]; 7958ff5105aSJiri Pirko } 7968ff5105aSJiri Pirko 7978ff5105aSJiri Pirko /* 7988ff5105aSJiri Pirko * note: already called with rcu_read_lock 7998ff5105aSJiri Pirko */ 8008ff5105aSJiri Pirko static bool team_queue_override_transmit(struct team *team, struct sk_buff *skb) 8018ff5105aSJiri Pirko { 8028ff5105aSJiri Pirko struct list_head *qom_list; 8038ff5105aSJiri Pirko struct team_port *port; 8048ff5105aSJiri Pirko 8058ff5105aSJiri Pirko if (!team->queue_override_enabled || !skb->queue_mapping) 8068ff5105aSJiri Pirko return false; 8078ff5105aSJiri Pirko qom_list = __team_get_qom_list(team, skb->queue_mapping); 8088ff5105aSJiri Pirko list_for_each_entry_rcu(port, qom_list, qom_list) { 8098ff5105aSJiri Pirko if (!team_dev_queue_xmit(team, port, skb)) 8108ff5105aSJiri Pirko return true; 8118ff5105aSJiri Pirko } 8128ff5105aSJiri Pirko return false; 8138ff5105aSJiri Pirko } 8148ff5105aSJiri Pirko 8158ff5105aSJiri Pirko static void __team_queue_override_port_del(struct team *team, 8168ff5105aSJiri Pirko struct team_port *port) 8178ff5105aSJiri Pirko { 8186c31ff36SJiri Pirko if (!port->queue_id) 8196c31ff36SJiri Pirko return; 8208ff5105aSJiri Pirko list_del_rcu(&port->qom_list); 8218ff5105aSJiri Pirko } 8228ff5105aSJiri Pirko 8238ff5105aSJiri Pirko static bool team_queue_override_port_has_gt_prio_than(struct team_port *port, 8248ff5105aSJiri Pirko struct team_port *cur) 8258ff5105aSJiri Pirko { 8268ff5105aSJiri Pirko if (port->priority < cur->priority) 8278ff5105aSJiri Pirko return true; 8288ff5105aSJiri Pirko if (port->priority > cur->priority) 8298ff5105aSJiri Pirko return false; 8308ff5105aSJiri Pirko if (port->index < cur->index) 8318ff5105aSJiri Pirko return true; 8328ff5105aSJiri Pirko return false; 8338ff5105aSJiri Pirko } 8348ff5105aSJiri Pirko 8358ff5105aSJiri Pirko static void __team_queue_override_port_add(struct team *team, 8368ff5105aSJiri Pirko struct team_port *port) 8378ff5105aSJiri Pirko { 8388ff5105aSJiri Pirko struct team_port *cur; 8398ff5105aSJiri Pirko struct list_head *qom_list; 8408ff5105aSJiri Pirko struct list_head *node; 8418ff5105aSJiri Pirko 8426c31ff36SJiri Pirko if (!port->queue_id) 8438ff5105aSJiri Pirko return; 8448ff5105aSJiri Pirko qom_list = __team_get_qom_list(team, port->queue_id); 8458ff5105aSJiri Pirko node = qom_list; 8468ff5105aSJiri Pirko list_for_each_entry(cur, qom_list, qom_list) { 8478ff5105aSJiri Pirko if (team_queue_override_port_has_gt_prio_than(port, cur)) 8488ff5105aSJiri Pirko break; 8498ff5105aSJiri Pirko node = &cur->qom_list; 8508ff5105aSJiri Pirko } 8518ff5105aSJiri Pirko list_add_tail_rcu(&port->qom_list, node); 8528ff5105aSJiri Pirko } 8538ff5105aSJiri Pirko 8548ff5105aSJiri Pirko static void __team_queue_override_enabled_check(struct team *team) 8558ff5105aSJiri Pirko { 8568ff5105aSJiri Pirko struct team_port *port; 8578ff5105aSJiri Pirko bool enabled = false; 8588ff5105aSJiri Pirko 8598ff5105aSJiri Pirko list_for_each_entry(port, &team->port_list, list) { 8606c31ff36SJiri Pirko if (port->queue_id) { 8618ff5105aSJiri Pirko enabled = true; 8628ff5105aSJiri Pirko break; 8638ff5105aSJiri Pirko } 8648ff5105aSJiri Pirko } 8658ff5105aSJiri Pirko if (enabled == team->queue_override_enabled) 8668ff5105aSJiri Pirko return; 8678ff5105aSJiri Pirko netdev_dbg(team->dev, "%s queue override\n", 8688ff5105aSJiri Pirko enabled ? "Enabling" : "Disabling"); 8698ff5105aSJiri Pirko team->queue_override_enabled = enabled; 8708ff5105aSJiri Pirko } 8718ff5105aSJiri Pirko 8726c31ff36SJiri Pirko static void team_queue_override_port_prio_changed(struct team *team, 8736c31ff36SJiri Pirko struct team_port *port) 8746c31ff36SJiri Pirko { 8756c31ff36SJiri Pirko if (!port->queue_id || team_port_enabled(port)) 8766c31ff36SJiri Pirko return; 8776c31ff36SJiri Pirko __team_queue_override_port_del(team, port); 8786c31ff36SJiri Pirko __team_queue_override_port_add(team, port); 8796c31ff36SJiri Pirko __team_queue_override_enabled_check(team); 8806c31ff36SJiri Pirko } 8816c31ff36SJiri Pirko 8826c31ff36SJiri Pirko static void team_queue_override_port_change_queue_id(struct team *team, 8836c31ff36SJiri Pirko struct team_port *port, 8846c31ff36SJiri Pirko u16 new_queue_id) 8856c31ff36SJiri Pirko { 8866c31ff36SJiri Pirko if (team_port_enabled(port)) { 8876c31ff36SJiri Pirko __team_queue_override_port_del(team, port); 8886c31ff36SJiri Pirko port->queue_id = new_queue_id; 8896c31ff36SJiri Pirko __team_queue_override_port_add(team, port); 8906c31ff36SJiri Pirko __team_queue_override_enabled_check(team); 8916c31ff36SJiri Pirko } else { 8926c31ff36SJiri Pirko port->queue_id = new_queue_id; 8936c31ff36SJiri Pirko } 8946c31ff36SJiri Pirko } 8956c31ff36SJiri Pirko 8966c31ff36SJiri Pirko static void team_queue_override_port_add(struct team *team, 8976c31ff36SJiri Pirko struct team_port *port) 8986c31ff36SJiri Pirko { 8996c31ff36SJiri Pirko __team_queue_override_port_add(team, port); 9006c31ff36SJiri Pirko __team_queue_override_enabled_check(team); 9016c31ff36SJiri Pirko } 9026c31ff36SJiri Pirko 9036c31ff36SJiri Pirko static void team_queue_override_port_del(struct team *team, 9048ff5105aSJiri Pirko struct team_port *port) 9058ff5105aSJiri Pirko { 9068ff5105aSJiri Pirko __team_queue_override_port_del(team, port); 9078ff5105aSJiri Pirko __team_queue_override_enabled_check(team); 9088ff5105aSJiri Pirko } 9098ff5105aSJiri Pirko 9108ff5105aSJiri Pirko 9113d249d4cSJiri Pirko /**************** 9123d249d4cSJiri Pirko * Port handling 9133d249d4cSJiri Pirko ****************/ 9143d249d4cSJiri Pirko 9153d249d4cSJiri Pirko static bool team_port_find(const struct team *team, 9163d249d4cSJiri Pirko const struct team_port *port) 9173d249d4cSJiri Pirko { 9183d249d4cSJiri Pirko struct team_port *cur; 9193d249d4cSJiri Pirko 9203d249d4cSJiri Pirko list_for_each_entry(cur, &team->port_list, list) 9213d249d4cSJiri Pirko if (cur == port) 9223d249d4cSJiri Pirko return true; 9233d249d4cSJiri Pirko return false; 9243d249d4cSJiri Pirko } 9253d249d4cSJiri Pirko 9263d249d4cSJiri Pirko /* 92719a0b58eSJiri Pirko * Enable/disable port by adding to enabled port hashlist and setting 92819a0b58eSJiri Pirko * port->index (Might be racy so reader could see incorrect ifindex when 92919a0b58eSJiri Pirko * processing a flying packet, but that is not a problem). Write guarded 93019a0b58eSJiri Pirko * by team->lock. 9313d249d4cSJiri Pirko */ 93219a0b58eSJiri Pirko static void team_port_enable(struct team *team, 9333d249d4cSJiri Pirko struct team_port *port) 9343d249d4cSJiri Pirko { 93519a0b58eSJiri Pirko if (team_port_enabled(port)) 93619a0b58eSJiri Pirko return; 93719a0b58eSJiri Pirko port->index = team->en_port_count++; 9383d249d4cSJiri Pirko hlist_add_head_rcu(&port->hlist, 9393d249d4cSJiri Pirko team_port_index_hash(team, port->index)); 940122bb046SJiri Pirko team_adjust_ops(team); 9416c31ff36SJiri Pirko team_queue_override_port_add(team, port); 9424bccfd17SJiri Pirko if (team->ops.port_enabled) 9434bccfd17SJiri Pirko team->ops.port_enabled(team, port); 944fc423ff0SJiri Pirko team_notify_peers(team); 945492b200eSJiri Pirko team_mcast_rejoin(team); 9463a0d6c5aSJiri Pirko team_lower_state_changed(port); 9473d249d4cSJiri Pirko } 9483d249d4cSJiri Pirko 9493d249d4cSJiri Pirko static void __reconstruct_port_hlist(struct team *team, int rm_index) 9503d249d4cSJiri Pirko { 9513d249d4cSJiri Pirko int i; 9523d249d4cSJiri Pirko struct team_port *port; 9533d249d4cSJiri Pirko 95419a0b58eSJiri Pirko for (i = rm_index + 1; i < team->en_port_count; i++) { 9553d249d4cSJiri Pirko port = team_get_port_by_index(team, i); 9563d249d4cSJiri Pirko hlist_del_rcu(&port->hlist); 9573d249d4cSJiri Pirko port->index--; 9583d249d4cSJiri Pirko hlist_add_head_rcu(&port->hlist, 9593d249d4cSJiri Pirko team_port_index_hash(team, port->index)); 9603d249d4cSJiri Pirko } 9613d249d4cSJiri Pirko } 9623d249d4cSJiri Pirko 96319a0b58eSJiri Pirko static void team_port_disable(struct team *team, 9643d249d4cSJiri Pirko struct team_port *port) 9653d249d4cSJiri Pirko { 96619a0b58eSJiri Pirko if (!team_port_enabled(port)) 96719a0b58eSJiri Pirko return; 9684bccfd17SJiri Pirko if (team->ops.port_disabled) 9694bccfd17SJiri Pirko team->ops.port_disabled(team, port); 9703d249d4cSJiri Pirko hlist_del_rcu(&port->hlist); 971122bb046SJiri Pirko __reconstruct_port_hlist(team, port->index); 97219a0b58eSJiri Pirko port->index = -1; 973122bb046SJiri Pirko team->en_port_count--; 974735d381fSJiri Pirko team_queue_override_port_del(team, port); 975735d381fSJiri Pirko team_adjust_ops(team); 9763a0d6c5aSJiri Pirko team_lower_state_changed(port); 9773d249d4cSJiri Pirko } 9783d249d4cSJiri Pirko 979a188222bSTom Herbert #define TEAM_VLAN_FEATURES (NETIF_F_HW_CSUM | NETIF_F_SG | \ 9803d249d4cSJiri Pirko NETIF_F_FRAGLIST | NETIF_F_ALL_TSO | \ 9813d249d4cSJiri Pirko NETIF_F_HIGHDMA | NETIF_F_LRO) 9823d249d4cSJiri Pirko 9833268e5cbSEran Ben Elisha #define TEAM_ENC_FEATURES (NETIF_F_HW_CSUM | NETIF_F_SG | \ 9843268e5cbSEran Ben Elisha NETIF_F_RXCSUM | NETIF_F_ALL_TSO) 9853268e5cbSEran Ben Elisha 98616cf72bbSXin Long static void __team_compute_features(struct team *team) 9873d249d4cSJiri Pirko { 9883d249d4cSJiri Pirko struct team_port *port; 98925ea6654SDan Carpenter netdev_features_t vlan_features = TEAM_VLAN_FEATURES & 99025ea6654SDan Carpenter NETIF_F_ALL_FOR_ALL; 9913268e5cbSEran Ben Elisha netdev_features_t enc_features = TEAM_ENC_FEATURES; 9923d249d4cSJiri Pirko unsigned short max_hard_header_len = ETH_HLEN; 99302875878SEric Dumazet unsigned int dst_release_flag = IFF_XMIT_DST_RELEASE | 99402875878SEric Dumazet IFF_XMIT_DST_RELEASE_PERM; 9953d249d4cSJiri Pirko 9963d249d4cSJiri Pirko list_for_each_entry(port, &team->port_list, list) { 9973d249d4cSJiri Pirko vlan_features = netdev_increment_features(vlan_features, 9983d249d4cSJiri Pirko port->dev->vlan_features, 9993d249d4cSJiri Pirko TEAM_VLAN_FEATURES); 10003268e5cbSEran Ben Elisha enc_features = 10013268e5cbSEran Ben Elisha netdev_increment_features(enc_features, 10023268e5cbSEran Ben Elisha port->dev->hw_enc_features, 10033268e5cbSEran Ben Elisha TEAM_ENC_FEATURES); 10043268e5cbSEran Ben Elisha 10053d249d4cSJiri Pirko 1006dc905951SJiri Pirko dst_release_flag &= port->dev->priv_flags; 10073d249d4cSJiri Pirko if (port->dev->hard_header_len > max_hard_header_len) 10083d249d4cSJiri Pirko max_hard_header_len = port->dev->hard_header_len; 10093d249d4cSJiri Pirko } 10103d249d4cSJiri Pirko 10113d249d4cSJiri Pirko team->dev->vlan_features = vlan_features; 10128eea1ca8SWillem de Bruijn team->dev->hw_enc_features = enc_features | NETIF_F_GSO_ENCAP_ALL | 10138eea1ca8SWillem de Bruijn NETIF_F_GSO_UDP_L4; 10143d249d4cSJiri Pirko team->dev->hard_header_len = max_hard_header_len; 10153d249d4cSJiri Pirko 101602875878SEric Dumazet team->dev->priv_flags &= ~IFF_XMIT_DST_RELEASE; 101702875878SEric Dumazet if (dst_release_flag == (IFF_XMIT_DST_RELEASE | IFF_XMIT_DST_RELEASE_PERM)) 101802875878SEric Dumazet team->dev->priv_flags |= IFF_XMIT_DST_RELEASE; 1019f6988cb6SIvan Vecera } 1020dc905951SJiri Pirko 10213d249d4cSJiri Pirko static void team_compute_features(struct team *team) 10223d249d4cSJiri Pirko { 102361dc3461SJiri Pirko mutex_lock(&team->lock); 102416cf72bbSXin Long __team_compute_features(team); 102561dc3461SJiri Pirko mutex_unlock(&team->lock); 1026f6988cb6SIvan Vecera netdev_change_features(team->dev); 10273d249d4cSJiri Pirko } 10283d249d4cSJiri Pirko 10293d249d4cSJiri Pirko static int team_port_enter(struct team *team, struct team_port *port) 10303d249d4cSJiri Pirko { 10313d249d4cSJiri Pirko int err = 0; 10323d249d4cSJiri Pirko 10333d249d4cSJiri Pirko dev_hold(team->dev); 10343d249d4cSJiri Pirko if (team->ops.port_enter) { 10353d249d4cSJiri Pirko err = team->ops.port_enter(team, port); 10363d249d4cSJiri Pirko if (err) { 10373d249d4cSJiri Pirko netdev_err(team->dev, "Device %s failed to enter team mode\n", 10383d249d4cSJiri Pirko port->dev->name); 10393d249d4cSJiri Pirko goto err_port_enter; 10403d249d4cSJiri Pirko } 10413d249d4cSJiri Pirko } 10423d249d4cSJiri Pirko 10433d249d4cSJiri Pirko return 0; 10443d249d4cSJiri Pirko 10453d249d4cSJiri Pirko err_port_enter: 10463d249d4cSJiri Pirko dev_put(team->dev); 10473d249d4cSJiri Pirko 10483d249d4cSJiri Pirko return err; 10493d249d4cSJiri Pirko } 10503d249d4cSJiri Pirko 10513d249d4cSJiri Pirko static void team_port_leave(struct team *team, struct team_port *port) 10523d249d4cSJiri Pirko { 10533d249d4cSJiri Pirko if (team->ops.port_leave) 10543d249d4cSJiri Pirko team->ops.port_leave(team, port); 10553d249d4cSJiri Pirko dev_put(team->dev); 10563d249d4cSJiri Pirko } 10573d249d4cSJiri Pirko 1058bd2d0837SJiri Pirko #ifdef CONFIG_NET_POLL_CONTROLLER 10599cf2f437SXin Long static int __team_port_enable_netpoll(struct team_port *port) 1060bd2d0837SJiri Pirko { 1061bd2d0837SJiri Pirko struct netpoll *np; 1062bd2d0837SJiri Pirko int err; 1063bd2d0837SJiri Pirko 1064a8779ec1SEric W. Biederman np = kzalloc(sizeof(*np), GFP_KERNEL); 1065bd2d0837SJiri Pirko if (!np) 1066bd2d0837SJiri Pirko return -ENOMEM; 1067bd2d0837SJiri Pirko 1068a8779ec1SEric W. Biederman err = __netpoll_setup(np, port->dev); 1069bd2d0837SJiri Pirko if (err) { 1070bd2d0837SJiri Pirko kfree(np); 1071bd2d0837SJiri Pirko return err; 1072bd2d0837SJiri Pirko } 1073bd2d0837SJiri Pirko port->np = np; 1074bd2d0837SJiri Pirko return err; 1075bd2d0837SJiri Pirko } 1076bd2d0837SJiri Pirko 10779cf2f437SXin Long static int team_port_enable_netpoll(struct team_port *port) 10789cf2f437SXin Long { 10799cf2f437SXin Long if (!port->team->dev->npinfo) 10809cf2f437SXin Long return 0; 10819cf2f437SXin Long 10829cf2f437SXin Long return __team_port_enable_netpoll(port); 10839cf2f437SXin Long } 10849cf2f437SXin Long 1085bd2d0837SJiri Pirko static void team_port_disable_netpoll(struct team_port *port) 1086bd2d0837SJiri Pirko { 1087bd2d0837SJiri Pirko struct netpoll *np = port->np; 1088bd2d0837SJiri Pirko 1089bd2d0837SJiri Pirko if (!np) 1090bd2d0837SJiri Pirko return; 1091bd2d0837SJiri Pirko port->np = NULL; 1092bd2d0837SJiri Pirko 1093c9fbd71fSDebabrata Banerjee __netpoll_free(np); 1094bd2d0837SJiri Pirko } 1095bd2d0837SJiri Pirko #else 10969cf2f437SXin Long static int team_port_enable_netpoll(struct team_port *port) 1097bd2d0837SJiri Pirko { 1098bd2d0837SJiri Pirko return 0; 1099bd2d0837SJiri Pirko } 1100bd2d0837SJiri Pirko static void team_port_disable_netpoll(struct team_port *port) 1101bd2d0837SJiri Pirko { 1102bd2d0837SJiri Pirko } 1103bd2d0837SJiri Pirko #endif 1104bd2d0837SJiri Pirko 110544d15d93SIdo Schimmel static int team_upper_dev_link(struct team *team, struct team_port *port, 110644d15d93SIdo Schimmel struct netlink_ext_ack *extack) 1107d7d3c051SJiri Pirko { 11088fd72856SJiri Pirko struct netdev_lag_upper_info lag_upper_info; 1109d7d3c051SJiri Pirko int err; 1110d7d3c051SJiri Pirko 11118fd72856SJiri Pirko lag_upper_info.tx_type = team->mode->lag_tx_type; 1112f44aa9efSJohn Hurley lag_upper_info.hash_type = NETDEV_LAG_HASH_UNKNOWN; 11138fd72856SJiri Pirko err = netdev_master_upper_dev_link(port->dev, team->dev, NULL, 111444d15d93SIdo Schimmel &lag_upper_info, extack); 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 113144d15d93SIdo Schimmel static int team_port_add(struct team *team, struct net_device *port_dev, 113244d15d93SIdo Schimmel struct netlink_ext_ack *extack) 11333d249d4cSJiri Pirko { 11343d249d4cSJiri Pirko struct net_device *dev = team->dev; 11353d249d4cSJiri Pirko struct team_port *port; 11363d249d4cSJiri Pirko char *portname = port_dev->name; 11373d249d4cSJiri Pirko int err; 11383d249d4cSJiri Pirko 11391d76efe1SJiri Pirko if (port_dev->flags & IFF_LOOPBACK) { 114044d15d93SIdo Schimmel NL_SET_ERR_MSG(extack, "Loopback device can't be added as a team port"); 11411d76efe1SJiri Pirko netdev_err(dev, "Device %s is loopback device. Loopback devices can't be added as a team port\n", 11423d249d4cSJiri Pirko portname); 11433d249d4cSJiri Pirko return -EINVAL; 11443d249d4cSJiri Pirko } 11453d249d4cSJiri Pirko 11463d249d4cSJiri Pirko if (team_port_exists(port_dev)) { 114744d15d93SIdo Schimmel NL_SET_ERR_MSG(extack, "Device is already a port of a team device"); 11483d249d4cSJiri Pirko netdev_err(dev, "Device %s is already a port " 11493d249d4cSJiri Pirko "of a team device\n", portname); 11503d249d4cSJiri Pirko return -EBUSY; 11513d249d4cSJiri Pirko } 11523d249d4cSJiri Pirko 1153471b83bdSIdo Schimmel if (dev == port_dev) { 1154471b83bdSIdo Schimmel NL_SET_ERR_MSG(extack, "Cannot enslave team device to itself"); 1155471b83bdSIdo Schimmel netdev_err(dev, "Cannot enslave team device to itself\n"); 1156471b83bdSIdo Schimmel return -EINVAL; 1157471b83bdSIdo Schimmel } 1158471b83bdSIdo Schimmel 11592c33bb37SJiri Pirko if (port_dev->features & NETIF_F_VLAN_CHALLENGED && 11602c33bb37SJiri Pirko vlan_uses_dev(dev)) { 116144d15d93SIdo Schimmel NL_SET_ERR_MSG(extack, "Device is VLAN challenged and team device has VLAN set up"); 11622c33bb37SJiri Pirko netdev_err(dev, "Device %s is VLAN challenged and team device has VLAN set up\n", 11632c33bb37SJiri Pirko portname); 11642c33bb37SJiri Pirko return -EPERM; 11652c33bb37SJiri Pirko } 11662c33bb37SJiri Pirko 11671d76efe1SJiri Pirko err = team_dev_type_check_change(dev, port_dev); 11681d76efe1SJiri Pirko if (err) 11691d76efe1SJiri Pirko return err; 11701d76efe1SJiri Pirko 11713d249d4cSJiri Pirko if (port_dev->flags & IFF_UP) { 117244d15d93SIdo Schimmel NL_SET_ERR_MSG(extack, "Device is up. Set it down before adding it as a team port"); 11733d249d4cSJiri Pirko netdev_err(dev, "Device %s is up. Set it down before adding it as a team port\n", 11743d249d4cSJiri Pirko portname); 11753d249d4cSJiri Pirko return -EBUSY; 11763d249d4cSJiri Pirko } 11773d249d4cSJiri Pirko 11785149ee58SJiri Pirko port = kzalloc(sizeof(struct team_port) + team->mode->port_priv_size, 11795149ee58SJiri Pirko GFP_KERNEL); 11803d249d4cSJiri Pirko if (!port) 11813d249d4cSJiri Pirko return -ENOMEM; 11823d249d4cSJiri Pirko 11833d249d4cSJiri Pirko port->dev = port_dev; 11843d249d4cSJiri Pirko port->team = team; 11858ff5105aSJiri Pirko INIT_LIST_HEAD(&port->qom_list); 11863d249d4cSJiri Pirko 11873d249d4cSJiri Pirko port->orig.mtu = port_dev->mtu; 11883d249d4cSJiri Pirko err = dev_set_mtu(port_dev, dev->mtu); 11893d249d4cSJiri Pirko if (err) { 11903d249d4cSJiri Pirko netdev_dbg(dev, "Error %d calling dev_set_mtu\n", err); 11913d249d4cSJiri Pirko goto err_set_mtu; 11923d249d4cSJiri Pirko } 11933d249d4cSJiri Pirko 11941d76efe1SJiri Pirko memcpy(port->orig.dev_addr, port_dev->dev_addr, port_dev->addr_len); 11953d249d4cSJiri Pirko 11963d249d4cSJiri Pirko err = team_port_enter(team, port); 11973d249d4cSJiri Pirko if (err) { 11983d249d4cSJiri Pirko netdev_err(dev, "Device %s failed to enter team mode\n", 11993d249d4cSJiri Pirko portname); 12003d249d4cSJiri Pirko goto err_port_enter; 12013d249d4cSJiri Pirko } 12023d249d4cSJiri Pirko 120300f54e68SPetr Machata err = dev_open(port_dev, extack); 12043d249d4cSJiri Pirko if (err) { 12053d249d4cSJiri Pirko netdev_dbg(dev, "Device %s opening failed\n", 12063d249d4cSJiri Pirko portname); 12073d249d4cSJiri Pirko goto err_dev_open; 12083d249d4cSJiri Pirko } 12093d249d4cSJiri Pirko 121057459185SJiri Pirko err = vlan_vids_add_by_dev(port_dev, dev); 121157459185SJiri Pirko if (err) { 121257459185SJiri Pirko netdev_err(dev, "Failed to add vlan ids to device %s\n", 121357459185SJiri Pirko portname); 121457459185SJiri Pirko goto err_vids_add; 121557459185SJiri Pirko } 121657459185SJiri Pirko 12179cf2f437SXin Long err = team_port_enable_netpoll(port); 1218bd2d0837SJiri Pirko if (err) { 1219bd2d0837SJiri Pirko netdev_err(dev, "Failed to enable netpoll on device %s\n", 1220bd2d0837SJiri Pirko portname); 1221bd2d0837SJiri Pirko goto err_enable_netpoll; 1222bd2d0837SJiri Pirko } 1223bd2d0837SJiri Pirko 1224fbe168baSMichal Kubeček if (!(dev->features & NETIF_F_LRO)) 1225fbe168baSMichal Kubeček dev_disable_lro(port_dev); 1226fbe168baSMichal Kubeček 12273d249d4cSJiri Pirko err = netdev_rx_handler_register(port_dev, team_handle_frame, 12283d249d4cSJiri Pirko port); 12293d249d4cSJiri Pirko if (err) { 12303d249d4cSJiri Pirko netdev_err(dev, "Device %s failed to register rx_handler\n", 12313d249d4cSJiri Pirko portname); 12323d249d4cSJiri Pirko goto err_handler_register; 12333d249d4cSJiri Pirko } 12343d249d4cSJiri Pirko 123544d15d93SIdo Schimmel err = team_upper_dev_link(team, port, extack); 1236d7d3c051SJiri Pirko if (err) { 1237d7d3c051SJiri Pirko netdev_err(dev, "Device %s failed to set upper link\n", 1238d7d3c051SJiri Pirko portname); 1239d7d3c051SJiri Pirko goto err_set_upper_link; 1240d7d3c051SJiri Pirko } 1241d7d3c051SJiri Pirko 124235b384bdSJiri Pirko err = __team_option_inst_add_port(team, port); 124380f7c668SJiri Pirko if (err) { 124480f7c668SJiri Pirko netdev_err(dev, "Device %s failed to add per-port options\n", 124580f7c668SJiri Pirko portname); 124680f7c668SJiri Pirko goto err_option_port_add; 124780f7c668SJiri Pirko } 124880f7c668SJiri Pirko 1249982cf3b3SXin Long netif_addr_lock_bh(dev); 1250982cf3b3SXin Long dev_uc_sync_multiple(port_dev, dev); 1251982cf3b3SXin Long dev_mc_sync_multiple(port_dev, dev); 1252982cf3b3SXin Long netif_addr_unlock_bh(dev); 1253982cf3b3SXin Long 125419a0b58eSJiri Pirko port->index = -1; 125519a0b58eSJiri Pirko list_add_tail_rcu(&port->list, &team->port_list); 125672df935dSJiri Pirko team_port_enable(team, port); 12573d249d4cSJiri Pirko __team_compute_features(team); 12588c7a7726SGeorge Wilkie __team_port_change_port_added(port, !!netif_oper_up(port_dev)); 125935b384bdSJiri Pirko __team_options_change_check(team); 12603d249d4cSJiri Pirko 12613d249d4cSJiri Pirko netdev_info(dev, "Port device %s added\n", portname); 12623d249d4cSJiri Pirko 12633d249d4cSJiri Pirko return 0; 12643d249d4cSJiri Pirko 126580f7c668SJiri Pirko err_option_port_add: 12668fd72856SJiri Pirko team_upper_dev_unlink(team, port); 1267d7d3c051SJiri Pirko 1268d7d3c051SJiri Pirko err_set_upper_link: 126980f7c668SJiri Pirko netdev_rx_handler_unregister(port_dev); 127080f7c668SJiri Pirko 12713d249d4cSJiri Pirko err_handler_register: 1272bd2d0837SJiri Pirko team_port_disable_netpoll(port); 1273bd2d0837SJiri Pirko 1274bd2d0837SJiri Pirko err_enable_netpoll: 127557459185SJiri Pirko vlan_vids_del_by_dev(port_dev, dev); 127657459185SJiri Pirko 127757459185SJiri Pirko err_vids_add: 12783d249d4cSJiri Pirko dev_close(port_dev); 12793d249d4cSJiri Pirko 12803d249d4cSJiri Pirko err_dev_open: 12813d249d4cSJiri Pirko team_port_leave(team, port); 12821d76efe1SJiri Pirko team_port_set_orig_dev_addr(port); 12833d249d4cSJiri Pirko 12843d249d4cSJiri Pirko err_port_enter: 12853d249d4cSJiri Pirko dev_set_mtu(port_dev, port->orig.mtu); 12863d249d4cSJiri Pirko 12873d249d4cSJiri Pirko err_set_mtu: 12883d249d4cSJiri Pirko kfree(port); 12893d249d4cSJiri Pirko 12903d249d4cSJiri Pirko return err; 12913d249d4cSJiri Pirko } 12923d249d4cSJiri Pirko 129310f3f51dSJiri Pirko static void __team_port_change_port_removed(struct team_port *port); 129410f3f51dSJiri Pirko 12953d249d4cSJiri Pirko static int team_port_del(struct team *team, struct net_device *port_dev) 12963d249d4cSJiri Pirko { 12973d249d4cSJiri Pirko struct net_device *dev = team->dev; 12983d249d4cSJiri Pirko struct team_port *port; 12993d249d4cSJiri Pirko char *portname = port_dev->name; 13003d249d4cSJiri Pirko 13013d249d4cSJiri Pirko port = team_port_get_rtnl(port_dev); 13023d249d4cSJiri Pirko if (!port || !team_port_find(team, port)) { 13033d249d4cSJiri Pirko netdev_err(dev, "Device %s does not act as a port of this team\n", 13043d249d4cSJiri Pirko portname); 13053d249d4cSJiri Pirko return -ENOENT; 13063d249d4cSJiri Pirko } 13073d249d4cSJiri Pirko 130819a0b58eSJiri Pirko team_port_disable(team, port); 130919a0b58eSJiri Pirko list_del_rcu(&port->list); 13108fd72856SJiri Pirko team_upper_dev_unlink(team, port); 13113d249d4cSJiri Pirko netdev_rx_handler_unregister(port_dev); 1312bd2d0837SJiri Pirko team_port_disable_netpoll(port); 131357459185SJiri Pirko vlan_vids_del_by_dev(port_dev, dev); 1314ba81276bSVlad Yasevich dev_uc_unsync(port_dev, dev); 1315ba81276bSVlad Yasevich dev_mc_unsync(port_dev, dev); 13163d249d4cSJiri Pirko dev_close(port_dev); 13173d249d4cSJiri Pirko team_port_leave(team, port); 1318c3969d80SJiri Pirko 1319c3969d80SJiri Pirko __team_option_inst_mark_removed_port(team, port); 1320c3969d80SJiri Pirko __team_options_change_check(team); 1321c3969d80SJiri Pirko __team_option_inst_del_port(team, port); 1322c3969d80SJiri Pirko __team_port_change_port_removed(port); 1323c3969d80SJiri Pirko 13241d76efe1SJiri Pirko team_port_set_orig_dev_addr(port); 13253d249d4cSJiri Pirko dev_set_mtu(port_dev, port->orig.mtu); 1326d80b35beSJiri Pirko kfree_rcu(port, rcu); 13273d249d4cSJiri Pirko netdev_info(dev, "Port device %s removed\n", portname); 13283d249d4cSJiri Pirko __team_compute_features(team); 13293d249d4cSJiri Pirko 13303d249d4cSJiri Pirko return 0; 13313d249d4cSJiri Pirko } 13323d249d4cSJiri Pirko 13333d249d4cSJiri Pirko 13343d249d4cSJiri Pirko /***************** 13353d249d4cSJiri Pirko * Net device ops 13363d249d4cSJiri Pirko *****************/ 13373d249d4cSJiri Pirko 133880f7c668SJiri Pirko static int team_mode_option_get(struct team *team, struct team_gsetter_ctx *ctx) 13393d249d4cSJiri Pirko { 1340d299cd51SJiri Pirko ctx->data.str_val = team->mode->kind; 13413d249d4cSJiri Pirko return 0; 13423d249d4cSJiri Pirko } 13433d249d4cSJiri Pirko 134480f7c668SJiri Pirko static int team_mode_option_set(struct team *team, struct team_gsetter_ctx *ctx) 13453d249d4cSJiri Pirko { 134680f7c668SJiri Pirko return team_change_mode(team, ctx->data.str_val); 13473d249d4cSJiri Pirko } 13483d249d4cSJiri Pirko 1349fc423ff0SJiri Pirko static int team_notify_peers_count_get(struct team *team, 1350fc423ff0SJiri Pirko struct team_gsetter_ctx *ctx) 1351fc423ff0SJiri Pirko { 1352fc423ff0SJiri Pirko ctx->data.u32_val = team->notify_peers.count; 1353fc423ff0SJiri Pirko return 0; 1354fc423ff0SJiri Pirko } 1355fc423ff0SJiri Pirko 1356fc423ff0SJiri Pirko static int team_notify_peers_count_set(struct team *team, 1357fc423ff0SJiri Pirko struct team_gsetter_ctx *ctx) 1358fc423ff0SJiri Pirko { 1359fc423ff0SJiri Pirko team->notify_peers.count = ctx->data.u32_val; 1360fc423ff0SJiri Pirko return 0; 1361fc423ff0SJiri Pirko } 1362fc423ff0SJiri Pirko 1363fc423ff0SJiri Pirko static int team_notify_peers_interval_get(struct team *team, 1364fc423ff0SJiri Pirko struct team_gsetter_ctx *ctx) 1365fc423ff0SJiri Pirko { 1366fc423ff0SJiri Pirko ctx->data.u32_val = team->notify_peers.interval; 1367fc423ff0SJiri Pirko return 0; 1368fc423ff0SJiri Pirko } 1369fc423ff0SJiri Pirko 1370fc423ff0SJiri Pirko static int team_notify_peers_interval_set(struct team *team, 1371fc423ff0SJiri Pirko struct team_gsetter_ctx *ctx) 1372fc423ff0SJiri Pirko { 1373fc423ff0SJiri Pirko team->notify_peers.interval = ctx->data.u32_val; 1374fc423ff0SJiri Pirko return 0; 1375fc423ff0SJiri Pirko } 1376fc423ff0SJiri Pirko 1377492b200eSJiri Pirko static int team_mcast_rejoin_count_get(struct team *team, 1378492b200eSJiri Pirko struct team_gsetter_ctx *ctx) 1379492b200eSJiri Pirko { 1380492b200eSJiri Pirko ctx->data.u32_val = team->mcast_rejoin.count; 1381492b200eSJiri Pirko return 0; 1382492b200eSJiri Pirko } 1383492b200eSJiri Pirko 1384492b200eSJiri Pirko static int team_mcast_rejoin_count_set(struct team *team, 1385492b200eSJiri Pirko struct team_gsetter_ctx *ctx) 1386492b200eSJiri Pirko { 1387492b200eSJiri Pirko team->mcast_rejoin.count = ctx->data.u32_val; 1388492b200eSJiri Pirko return 0; 1389492b200eSJiri Pirko } 1390492b200eSJiri Pirko 1391492b200eSJiri Pirko static int team_mcast_rejoin_interval_get(struct team *team, 1392492b200eSJiri Pirko struct team_gsetter_ctx *ctx) 1393492b200eSJiri Pirko { 1394492b200eSJiri Pirko ctx->data.u32_val = team->mcast_rejoin.interval; 1395492b200eSJiri Pirko return 0; 1396492b200eSJiri Pirko } 1397492b200eSJiri Pirko 1398492b200eSJiri Pirko static int team_mcast_rejoin_interval_set(struct team *team, 1399492b200eSJiri Pirko struct team_gsetter_ctx *ctx) 1400492b200eSJiri Pirko { 1401492b200eSJiri Pirko team->mcast_rejoin.interval = ctx->data.u32_val; 1402492b200eSJiri Pirko return 0; 1403492b200eSJiri Pirko } 1404492b200eSJiri Pirko 1405acd69962SJiri Pirko static int team_port_en_option_get(struct team *team, 1406acd69962SJiri Pirko struct team_gsetter_ctx *ctx) 1407acd69962SJiri Pirko { 140885d59a87SJiri Pirko struct team_port *port = ctx->info->port; 140985d59a87SJiri Pirko 141085d59a87SJiri Pirko ctx->data.bool_val = team_port_enabled(port); 1411acd69962SJiri Pirko return 0; 1412acd69962SJiri Pirko } 1413acd69962SJiri Pirko 1414acd69962SJiri Pirko static int team_port_en_option_set(struct team *team, 1415acd69962SJiri Pirko struct team_gsetter_ctx *ctx) 1416acd69962SJiri Pirko { 141785d59a87SJiri Pirko struct team_port *port = ctx->info->port; 141885d59a87SJiri Pirko 1419acd69962SJiri Pirko if (ctx->data.bool_val) 142085d59a87SJiri Pirko team_port_enable(team, port); 1421acd69962SJiri Pirko else 142285d59a87SJiri Pirko team_port_disable(team, port); 1423acd69962SJiri Pirko return 0; 1424acd69962SJiri Pirko } 1425acd69962SJiri Pirko 142671472ec1SJiri Pirko static int team_user_linkup_option_get(struct team *team, 142771472ec1SJiri Pirko struct team_gsetter_ctx *ctx) 142871472ec1SJiri Pirko { 142985d59a87SJiri Pirko struct team_port *port = ctx->info->port; 143085d59a87SJiri Pirko 143185d59a87SJiri Pirko ctx->data.bool_val = port->user.linkup; 143271472ec1SJiri Pirko return 0; 143371472ec1SJiri Pirko } 143471472ec1SJiri Pirko 1435f5e0d343SJiri Pirko static void __team_carrier_check(struct team *team); 1436f5e0d343SJiri Pirko 143771472ec1SJiri Pirko static int team_user_linkup_option_set(struct team *team, 143871472ec1SJiri Pirko struct team_gsetter_ctx *ctx) 143971472ec1SJiri Pirko { 144085d59a87SJiri Pirko struct team_port *port = ctx->info->port; 144185d59a87SJiri Pirko 144285d59a87SJiri Pirko port->user.linkup = ctx->data.bool_val; 144385d59a87SJiri Pirko team_refresh_port_linkup(port); 1444f5e0d343SJiri Pirko __team_carrier_check(port->team); 144571472ec1SJiri Pirko return 0; 144671472ec1SJiri Pirko } 144771472ec1SJiri Pirko 144871472ec1SJiri Pirko static int team_user_linkup_en_option_get(struct team *team, 144971472ec1SJiri Pirko struct team_gsetter_ctx *ctx) 145071472ec1SJiri Pirko { 145185d59a87SJiri Pirko struct team_port *port = ctx->info->port; 145271472ec1SJiri Pirko 145371472ec1SJiri Pirko ctx->data.bool_val = port->user.linkup_enabled; 145471472ec1SJiri Pirko return 0; 145571472ec1SJiri Pirko } 145671472ec1SJiri Pirko 145771472ec1SJiri Pirko static int team_user_linkup_en_option_set(struct team *team, 145871472ec1SJiri Pirko struct team_gsetter_ctx *ctx) 145971472ec1SJiri Pirko { 146085d59a87SJiri Pirko struct team_port *port = ctx->info->port; 146171472ec1SJiri Pirko 146271472ec1SJiri Pirko port->user.linkup_enabled = ctx->data.bool_val; 146385d59a87SJiri Pirko team_refresh_port_linkup(port); 1464f5e0d343SJiri Pirko __team_carrier_check(port->team); 146571472ec1SJiri Pirko return 0; 146671472ec1SJiri Pirko } 146771472ec1SJiri Pirko 1468a86fc6b7SJiri Pirko static int team_priority_option_get(struct team *team, 1469a86fc6b7SJiri Pirko struct team_gsetter_ctx *ctx) 1470a86fc6b7SJiri Pirko { 1471a86fc6b7SJiri Pirko struct team_port *port = ctx->info->port; 1472a86fc6b7SJiri Pirko 1473a86fc6b7SJiri Pirko ctx->data.s32_val = port->priority; 1474a86fc6b7SJiri Pirko return 0; 1475a86fc6b7SJiri Pirko } 1476a86fc6b7SJiri Pirko 1477a86fc6b7SJiri Pirko static int team_priority_option_set(struct team *team, 1478a86fc6b7SJiri Pirko struct team_gsetter_ctx *ctx) 1479a86fc6b7SJiri Pirko { 1480a86fc6b7SJiri Pirko struct team_port *port = ctx->info->port; 14816c31ff36SJiri Pirko s32 priority = ctx->data.s32_val; 1482a86fc6b7SJiri Pirko 14836c31ff36SJiri Pirko if (port->priority == priority) 14846c31ff36SJiri Pirko return 0; 14856c31ff36SJiri Pirko port->priority = priority; 14866c31ff36SJiri Pirko team_queue_override_port_prio_changed(team, port); 1487a86fc6b7SJiri Pirko return 0; 1488a86fc6b7SJiri Pirko } 1489a86fc6b7SJiri Pirko 14908ff5105aSJiri Pirko static int team_queue_id_option_get(struct team *team, 14918ff5105aSJiri Pirko struct team_gsetter_ctx *ctx) 14928ff5105aSJiri Pirko { 14938ff5105aSJiri Pirko struct team_port *port = ctx->info->port; 14948ff5105aSJiri Pirko 14958ff5105aSJiri Pirko ctx->data.u32_val = port->queue_id; 14968ff5105aSJiri Pirko return 0; 14978ff5105aSJiri Pirko } 14988ff5105aSJiri Pirko 14998ff5105aSJiri Pirko static int team_queue_id_option_set(struct team *team, 15008ff5105aSJiri Pirko struct team_gsetter_ctx *ctx) 15018ff5105aSJiri Pirko { 15028ff5105aSJiri Pirko struct team_port *port = ctx->info->port; 15036c31ff36SJiri Pirko u16 new_queue_id = ctx->data.u32_val; 15048ff5105aSJiri Pirko 15056c31ff36SJiri Pirko if (port->queue_id == new_queue_id) 15068ff5105aSJiri Pirko return 0; 15076c31ff36SJiri Pirko if (new_queue_id >= team->dev->real_num_tx_queues) 15088ff5105aSJiri Pirko return -EINVAL; 15096c31ff36SJiri Pirko team_queue_override_port_change_queue_id(team, port, new_queue_id); 15108ff5105aSJiri Pirko return 0; 15118ff5105aSJiri Pirko } 15128ff5105aSJiri Pirko 1513358b8382SJiri Pirko static const struct team_option team_options[] = { 15143d249d4cSJiri Pirko { 15153d249d4cSJiri Pirko .name = "mode", 15163d249d4cSJiri Pirko .type = TEAM_OPTION_TYPE_STRING, 15173d249d4cSJiri Pirko .getter = team_mode_option_get, 15183d249d4cSJiri Pirko .setter = team_mode_option_set, 15193d249d4cSJiri Pirko }, 152071472ec1SJiri Pirko { 1521fc423ff0SJiri Pirko .name = "notify_peers_count", 1522fc423ff0SJiri Pirko .type = TEAM_OPTION_TYPE_U32, 1523fc423ff0SJiri Pirko .getter = team_notify_peers_count_get, 1524fc423ff0SJiri Pirko .setter = team_notify_peers_count_set, 1525fc423ff0SJiri Pirko }, 1526fc423ff0SJiri Pirko { 1527fc423ff0SJiri Pirko .name = "notify_peers_interval", 1528fc423ff0SJiri Pirko .type = TEAM_OPTION_TYPE_U32, 1529fc423ff0SJiri Pirko .getter = team_notify_peers_interval_get, 1530fc423ff0SJiri Pirko .setter = team_notify_peers_interval_set, 1531fc423ff0SJiri Pirko }, 1532fc423ff0SJiri Pirko { 1533492b200eSJiri Pirko .name = "mcast_rejoin_count", 1534492b200eSJiri Pirko .type = TEAM_OPTION_TYPE_U32, 1535492b200eSJiri Pirko .getter = team_mcast_rejoin_count_get, 1536492b200eSJiri Pirko .setter = team_mcast_rejoin_count_set, 1537492b200eSJiri Pirko }, 1538492b200eSJiri Pirko { 1539492b200eSJiri Pirko .name = "mcast_rejoin_interval", 1540492b200eSJiri Pirko .type = TEAM_OPTION_TYPE_U32, 1541492b200eSJiri Pirko .getter = team_mcast_rejoin_interval_get, 1542492b200eSJiri Pirko .setter = team_mcast_rejoin_interval_set, 1543492b200eSJiri Pirko }, 1544492b200eSJiri Pirko { 1545acd69962SJiri Pirko .name = "enabled", 1546acd69962SJiri Pirko .type = TEAM_OPTION_TYPE_BOOL, 1547acd69962SJiri Pirko .per_port = true, 1548acd69962SJiri Pirko .getter = team_port_en_option_get, 1549acd69962SJiri Pirko .setter = team_port_en_option_set, 1550acd69962SJiri Pirko }, 1551acd69962SJiri Pirko { 155271472ec1SJiri Pirko .name = "user_linkup", 155371472ec1SJiri Pirko .type = TEAM_OPTION_TYPE_BOOL, 155471472ec1SJiri Pirko .per_port = true, 155571472ec1SJiri Pirko .getter = team_user_linkup_option_get, 155671472ec1SJiri Pirko .setter = team_user_linkup_option_set, 155771472ec1SJiri Pirko }, 155871472ec1SJiri Pirko { 155971472ec1SJiri Pirko .name = "user_linkup_enabled", 156071472ec1SJiri Pirko .type = TEAM_OPTION_TYPE_BOOL, 156171472ec1SJiri Pirko .per_port = true, 156271472ec1SJiri Pirko .getter = team_user_linkup_en_option_get, 156371472ec1SJiri Pirko .setter = team_user_linkup_en_option_set, 156471472ec1SJiri Pirko }, 1565a86fc6b7SJiri Pirko { 1566a86fc6b7SJiri Pirko .name = "priority", 1567a86fc6b7SJiri Pirko .type = TEAM_OPTION_TYPE_S32, 1568a86fc6b7SJiri Pirko .per_port = true, 1569a86fc6b7SJiri Pirko .getter = team_priority_option_get, 1570a86fc6b7SJiri Pirko .setter = team_priority_option_set, 1571a86fc6b7SJiri Pirko }, 15728ff5105aSJiri Pirko { 15738ff5105aSJiri Pirko .name = "queue_id", 15748ff5105aSJiri Pirko .type = TEAM_OPTION_TYPE_U32, 15758ff5105aSJiri Pirko .per_port = true, 15768ff5105aSJiri Pirko .getter = team_queue_id_option_get, 15778ff5105aSJiri Pirko .setter = team_queue_id_option_set, 15788ff5105aSJiri Pirko }, 15793d249d4cSJiri Pirko }; 15803d249d4cSJiri Pirko 15816c85f2bdSJiri Pirko 15823d249d4cSJiri Pirko static int team_init(struct net_device *dev) 15833d249d4cSJiri Pirko { 15843d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 15853d249d4cSJiri Pirko int i; 1586358b8382SJiri Pirko int err; 15873d249d4cSJiri Pirko 15883d249d4cSJiri Pirko team->dev = dev; 158961dc3461SJiri Pirko mutex_init(&team->lock); 1590d299cd51SJiri Pirko team_set_no_mode(team); 15913d249d4cSJiri Pirko 15921c213bd2SWANG Cong team->pcpu_stats = netdev_alloc_pcpu_stats(struct team_pcpu_stats); 15933d249d4cSJiri Pirko if (!team->pcpu_stats) 15943d249d4cSJiri Pirko return -ENOMEM; 15953d249d4cSJiri Pirko 15963d249d4cSJiri Pirko for (i = 0; i < TEAM_PORT_HASHENTRIES; i++) 159719a0b58eSJiri Pirko INIT_HLIST_HEAD(&team->en_port_hlist[i]); 15983d249d4cSJiri Pirko INIT_LIST_HEAD(&team->port_list); 15998ff5105aSJiri Pirko err = team_queue_override_init(team); 16008ff5105aSJiri Pirko if (err) 16018ff5105aSJiri Pirko goto err_team_queue_override_init; 16023d249d4cSJiri Pirko 16033d249d4cSJiri Pirko team_adjust_ops(team); 16043d249d4cSJiri Pirko 16053d249d4cSJiri Pirko INIT_LIST_HEAD(&team->option_list); 160680f7c668SJiri Pirko INIT_LIST_HEAD(&team->option_inst_list); 1607fc423ff0SJiri Pirko 1608fc423ff0SJiri Pirko team_notify_peers_init(team); 1609492b200eSJiri Pirko team_mcast_rejoin_init(team); 1610fc423ff0SJiri Pirko 1611358b8382SJiri Pirko err = team_options_register(team, team_options, ARRAY_SIZE(team_options)); 1612358b8382SJiri Pirko if (err) 1613358b8382SJiri Pirko goto err_options_register; 16143d249d4cSJiri Pirko netif_carrier_off(dev); 16153d249d4cSJiri Pirko 1616d3fff6c4SEric Dumazet netdev_lockdep_set_classes(dev); 16176c85f2bdSJiri Pirko 16183d249d4cSJiri Pirko return 0; 1619358b8382SJiri Pirko 1620358b8382SJiri Pirko err_options_register: 1621492b200eSJiri Pirko team_mcast_rejoin_fini(team); 1622fc423ff0SJiri Pirko team_notify_peers_fini(team); 16238ff5105aSJiri Pirko team_queue_override_fini(team); 16248ff5105aSJiri Pirko err_team_queue_override_init: 1625358b8382SJiri Pirko free_percpu(team->pcpu_stats); 1626358b8382SJiri Pirko 1627358b8382SJiri Pirko return err; 16283d249d4cSJiri Pirko } 16293d249d4cSJiri Pirko 16303d249d4cSJiri Pirko static void team_uninit(struct net_device *dev) 16313d249d4cSJiri Pirko { 16323d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 16333d249d4cSJiri Pirko struct team_port *port; 16343d249d4cSJiri Pirko struct team_port *tmp; 16353d249d4cSJiri Pirko 163661dc3461SJiri Pirko mutex_lock(&team->lock); 16373d249d4cSJiri Pirko list_for_each_entry_safe(port, tmp, &team->port_list, list) 16383d249d4cSJiri Pirko team_port_del(team, port->dev); 16393d249d4cSJiri Pirko 16403d249d4cSJiri Pirko __team_change_mode(team, NULL); /* cleanup */ 16413d249d4cSJiri Pirko __team_options_unregister(team, team_options, ARRAY_SIZE(team_options)); 1642492b200eSJiri Pirko team_mcast_rejoin_fini(team); 1643fc423ff0SJiri Pirko team_notify_peers_fini(team); 16448ff5105aSJiri Pirko team_queue_override_fini(team); 164561dc3461SJiri Pirko mutex_unlock(&team->lock); 164616cf72bbSXin Long netdev_change_features(dev); 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 } 16553d249d4cSJiri Pirko 16563d249d4cSJiri Pirko static int team_open(struct net_device *dev) 16573d249d4cSJiri Pirko { 16583d249d4cSJiri Pirko return 0; 16593d249d4cSJiri Pirko } 16603d249d4cSJiri Pirko 16613d249d4cSJiri Pirko static int team_close(struct net_device *dev) 16623d249d4cSJiri Pirko { 16633d249d4cSJiri Pirko return 0; 16643d249d4cSJiri Pirko } 16653d249d4cSJiri Pirko 16663d249d4cSJiri Pirko /* 16673d249d4cSJiri Pirko * note: already called with rcu_read_lock 16683d249d4cSJiri Pirko */ 16693d249d4cSJiri Pirko static netdev_tx_t team_xmit(struct sk_buff *skb, struct net_device *dev) 16703d249d4cSJiri Pirko { 16713d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 16728ff5105aSJiri Pirko bool tx_success; 16733d249d4cSJiri Pirko unsigned int len = skb->len; 16743d249d4cSJiri Pirko 16758ff5105aSJiri Pirko tx_success = team_queue_override_transmit(team, skb); 16768ff5105aSJiri Pirko if (!tx_success) 16773d249d4cSJiri Pirko tx_success = team->ops.transmit(team, skb); 16783d249d4cSJiri Pirko if (tx_success) { 16793d249d4cSJiri Pirko struct team_pcpu_stats *pcpu_stats; 16803d249d4cSJiri Pirko 16813d249d4cSJiri Pirko pcpu_stats = this_cpu_ptr(team->pcpu_stats); 16823d249d4cSJiri Pirko u64_stats_update_begin(&pcpu_stats->syncp); 16833d249d4cSJiri Pirko pcpu_stats->tx_packets++; 16843d249d4cSJiri Pirko pcpu_stats->tx_bytes += len; 16853d249d4cSJiri Pirko u64_stats_update_end(&pcpu_stats->syncp); 16863d249d4cSJiri Pirko } else { 16873d249d4cSJiri Pirko this_cpu_inc(team->pcpu_stats->tx_dropped); 16883d249d4cSJiri Pirko } 16893d249d4cSJiri Pirko 16903d249d4cSJiri Pirko return NETDEV_TX_OK; 16913d249d4cSJiri Pirko } 16923d249d4cSJiri Pirko 1693f663dd9aSJason Wang static u16 team_select_queue(struct net_device *dev, struct sk_buff *skb, 1694a350ecceSPaolo Abeni struct net_device *sb_dev) 16956c85f2bdSJiri Pirko { 16966c85f2bdSJiri Pirko /* 16976c85f2bdSJiri Pirko * This helper function exists to help dev_pick_tx get the correct 16986c85f2bdSJiri Pirko * destination queue. Using a helper function skips a call to 16996c85f2bdSJiri Pirko * skb_tx_hash and will put the skbs in the queue we expect on their 17006c85f2bdSJiri Pirko * way down to the team driver. 17016c85f2bdSJiri Pirko */ 17026c85f2bdSJiri Pirko u16 txq = skb_rx_queue_recorded(skb) ? skb_get_rx_queue(skb) : 0; 17036c85f2bdSJiri Pirko 17046c85f2bdSJiri Pirko /* 17056c85f2bdSJiri Pirko * Save the original txq to restore before passing to the driver 17066c85f2bdSJiri Pirko */ 17076c85f2bdSJiri Pirko qdisc_skb_cb(skb)->slave_dev_queue_mapping = skb->queue_mapping; 17086c85f2bdSJiri Pirko 17096c85f2bdSJiri Pirko if (unlikely(txq >= dev->real_num_tx_queues)) { 17106c85f2bdSJiri Pirko do { 17116c85f2bdSJiri Pirko txq -= dev->real_num_tx_queues; 17126c85f2bdSJiri Pirko } while (txq >= dev->real_num_tx_queues); 17136c85f2bdSJiri Pirko } 17146c85f2bdSJiri Pirko return txq; 17156c85f2bdSJiri Pirko } 17166c85f2bdSJiri Pirko 17173d249d4cSJiri Pirko static void team_change_rx_flags(struct net_device *dev, int change) 17183d249d4cSJiri Pirko { 17193d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 17203d249d4cSJiri Pirko struct team_port *port; 17213d249d4cSJiri Pirko int inc; 17223d249d4cSJiri Pirko 17233d249d4cSJiri Pirko rcu_read_lock(); 17243d249d4cSJiri Pirko list_for_each_entry_rcu(port, &team->port_list, list) { 17253d249d4cSJiri Pirko if (change & IFF_PROMISC) { 17263d249d4cSJiri Pirko inc = dev->flags & IFF_PROMISC ? 1 : -1; 17273d249d4cSJiri Pirko dev_set_promiscuity(port->dev, inc); 17283d249d4cSJiri Pirko } 17293d249d4cSJiri Pirko if (change & IFF_ALLMULTI) { 17303d249d4cSJiri Pirko inc = dev->flags & IFF_ALLMULTI ? 1 : -1; 17313d249d4cSJiri Pirko dev_set_allmulti(port->dev, inc); 17323d249d4cSJiri Pirko } 17333d249d4cSJiri Pirko } 17343d249d4cSJiri Pirko rcu_read_unlock(); 17353d249d4cSJiri Pirko } 17363d249d4cSJiri Pirko 17373d249d4cSJiri Pirko static void team_set_rx_mode(struct net_device *dev) 17383d249d4cSJiri Pirko { 17393d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 17403d249d4cSJiri Pirko struct team_port *port; 17413d249d4cSJiri Pirko 17423d249d4cSJiri Pirko rcu_read_lock(); 17433d249d4cSJiri Pirko list_for_each_entry_rcu(port, &team->port_list, list) { 174472b27032SVlad Yasevich dev_uc_sync_multiple(port->dev, dev); 174572b27032SVlad Yasevich dev_mc_sync_multiple(port->dev, dev); 17463d249d4cSJiri Pirko } 17473d249d4cSJiri Pirko rcu_read_unlock(); 17483d249d4cSJiri Pirko } 17493d249d4cSJiri Pirko 17503d249d4cSJiri Pirko static int team_set_mac_address(struct net_device *dev, void *p) 17513d249d4cSJiri Pirko { 17521d76efe1SJiri Pirko struct sockaddr *addr = p; 17533d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 17543d249d4cSJiri Pirko struct team_port *port; 17553d249d4cSJiri Pirko 17561d76efe1SJiri Pirko if (dev->type == ARPHRD_ETHER && !is_valid_ether_addr(addr->sa_data)) 17571d76efe1SJiri Pirko return -EADDRNOTAVAIL; 17581d76efe1SJiri Pirko memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); 17599215f437SJiri Pirko mutex_lock(&team->lock); 17609215f437SJiri Pirko list_for_each_entry(port, &team->port_list, list) 17611d76efe1SJiri Pirko if (team->ops.port_change_dev_addr) 17621d76efe1SJiri Pirko team->ops.port_change_dev_addr(team, port); 17639215f437SJiri Pirko mutex_unlock(&team->lock); 17643d249d4cSJiri Pirko return 0; 17653d249d4cSJiri Pirko } 17663d249d4cSJiri Pirko 17673d249d4cSJiri Pirko static int team_change_mtu(struct net_device *dev, int new_mtu) 17683d249d4cSJiri Pirko { 17693d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 17703d249d4cSJiri Pirko struct team_port *port; 17713d249d4cSJiri Pirko int err; 17723d249d4cSJiri Pirko 17733d249d4cSJiri Pirko /* 17743d249d4cSJiri Pirko * Alhough this is reader, it's guarded by team lock. It's not possible 17753d249d4cSJiri Pirko * to traverse list in reverse under rcu_read_lock 17763d249d4cSJiri Pirko */ 177761dc3461SJiri Pirko mutex_lock(&team->lock); 17789d0d68faSJiri Pirko team->port_mtu_change_allowed = true; 17793d249d4cSJiri Pirko list_for_each_entry(port, &team->port_list, list) { 17803d249d4cSJiri Pirko err = dev_set_mtu(port->dev, new_mtu); 17813d249d4cSJiri Pirko if (err) { 17823d249d4cSJiri Pirko netdev_err(dev, "Device %s failed to change mtu", 17833d249d4cSJiri Pirko port->dev->name); 17843d249d4cSJiri Pirko goto unwind; 17853d249d4cSJiri Pirko } 17863d249d4cSJiri Pirko } 17879d0d68faSJiri Pirko team->port_mtu_change_allowed = false; 178861dc3461SJiri Pirko mutex_unlock(&team->lock); 17893d249d4cSJiri Pirko 17903d249d4cSJiri Pirko dev->mtu = new_mtu; 17913d249d4cSJiri Pirko 17923d249d4cSJiri Pirko return 0; 17933d249d4cSJiri Pirko 17943d249d4cSJiri Pirko unwind: 17953d249d4cSJiri Pirko list_for_each_entry_continue_reverse(port, &team->port_list, list) 17963d249d4cSJiri Pirko dev_set_mtu(port->dev, dev->mtu); 17979d0d68faSJiri Pirko team->port_mtu_change_allowed = false; 179861dc3461SJiri Pirko mutex_unlock(&team->lock); 17993d249d4cSJiri Pirko 18003d249d4cSJiri Pirko return err; 18013d249d4cSJiri Pirko } 18023d249d4cSJiri Pirko 1803bc1f4470Sstephen hemminger static void 18043d249d4cSJiri Pirko team_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats) 18053d249d4cSJiri Pirko { 18063d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 18073d249d4cSJiri Pirko struct team_pcpu_stats *p; 18083d249d4cSJiri Pirko u64 rx_packets, rx_bytes, rx_multicast, tx_packets, tx_bytes; 1809bb63daf9SJarod Wilson u32 rx_dropped = 0, tx_dropped = 0, rx_nohandler = 0; 18103d249d4cSJiri Pirko unsigned int start; 18113d249d4cSJiri Pirko int i; 18123d249d4cSJiri Pirko 18133d249d4cSJiri Pirko for_each_possible_cpu(i) { 18143d249d4cSJiri Pirko p = per_cpu_ptr(team->pcpu_stats, i); 18153d249d4cSJiri Pirko do { 181657a7744eSEric W. Biederman start = u64_stats_fetch_begin_irq(&p->syncp); 18173d249d4cSJiri Pirko rx_packets = p->rx_packets; 18183d249d4cSJiri Pirko rx_bytes = p->rx_bytes; 18193d249d4cSJiri Pirko rx_multicast = p->rx_multicast; 18203d249d4cSJiri Pirko tx_packets = p->tx_packets; 18213d249d4cSJiri Pirko tx_bytes = p->tx_bytes; 182257a7744eSEric W. Biederman } while (u64_stats_fetch_retry_irq(&p->syncp, start)); 18233d249d4cSJiri Pirko 18243d249d4cSJiri Pirko stats->rx_packets += rx_packets; 18253d249d4cSJiri Pirko stats->rx_bytes += rx_bytes; 18263d249d4cSJiri Pirko stats->multicast += rx_multicast; 18273d249d4cSJiri Pirko stats->tx_packets += tx_packets; 18283d249d4cSJiri Pirko stats->tx_bytes += tx_bytes; 18293d249d4cSJiri Pirko /* 1830bb63daf9SJarod Wilson * rx_dropped, tx_dropped & rx_nohandler are u32, 1831bb63daf9SJarod Wilson * updated without syncp protection. 18323d249d4cSJiri Pirko */ 18333d249d4cSJiri Pirko rx_dropped += p->rx_dropped; 18343d249d4cSJiri Pirko tx_dropped += p->tx_dropped; 1835bb63daf9SJarod Wilson rx_nohandler += p->rx_nohandler; 18363d249d4cSJiri Pirko } 18373d249d4cSJiri Pirko stats->rx_dropped = rx_dropped; 18383d249d4cSJiri Pirko stats->tx_dropped = tx_dropped; 1839bb63daf9SJarod Wilson stats->rx_nohandler = rx_nohandler; 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 187560a6531bSIdo Schimmel mutex_lock(&team->lock); 187660a6531bSIdo Schimmel list_for_each_entry(port, &team->port_list, list) 187780d5c368SPatrick McHardy vlan_vid_del(port->dev, proto, vid); 187860a6531bSIdo Schimmel mutex_unlock(&team->lock); 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) { 19149cf2f437SXin Long err = __team_port_enable_netpoll(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 192533eaf2a6SDavid Ahern static int team_add_slave(struct net_device *dev, struct net_device *port_dev, 192633eaf2a6SDavid Ahern struct netlink_ext_ack *extack) 19273d249d4cSJiri Pirko { 19283d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 19293d249d4cSJiri Pirko int err; 19303d249d4cSJiri Pirko 193161dc3461SJiri Pirko mutex_lock(&team->lock); 193244d15d93SIdo Schimmel err = team_port_add(team, port_dev, extack); 193361dc3461SJiri Pirko mutex_unlock(&team->lock); 193416cf72bbSXin Long 193516cf72bbSXin Long if (!err) 193616cf72bbSXin Long netdev_change_features(dev); 193716cf72bbSXin Long 19383d249d4cSJiri Pirko return err; 19393d249d4cSJiri Pirko } 19403d249d4cSJiri Pirko 19413d249d4cSJiri Pirko static int team_del_slave(struct net_device *dev, struct net_device *port_dev) 19423d249d4cSJiri Pirko { 19433d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 19443d249d4cSJiri Pirko int err; 19453d249d4cSJiri Pirko 194661dc3461SJiri Pirko mutex_lock(&team->lock); 19473d249d4cSJiri Pirko err = team_port_del(team, port_dev); 194861dc3461SJiri Pirko mutex_unlock(&team->lock); 194916cf72bbSXin Long 195016cf72bbSXin Long if (!err) 195116cf72bbSXin Long netdev_change_features(dev); 195216cf72bbSXin Long 19533d249d4cSJiri Pirko return err; 19543d249d4cSJiri Pirko } 19553d249d4cSJiri Pirko 1956234a8fd4SJiri Pirko static netdev_features_t team_fix_features(struct net_device *dev, 1957234a8fd4SJiri Pirko netdev_features_t features) 1958234a8fd4SJiri Pirko { 1959234a8fd4SJiri Pirko struct team_port *port; 1960234a8fd4SJiri Pirko struct team *team = netdev_priv(dev); 1961234a8fd4SJiri Pirko netdev_features_t mask; 1962234a8fd4SJiri Pirko 19637889cbeeSScott Feldman mask = features; 1964234a8fd4SJiri Pirko features &= ~NETIF_F_ONE_FOR_ALL; 1965234a8fd4SJiri Pirko features |= NETIF_F_ALL_FOR_ALL; 1966234a8fd4SJiri Pirko 1967234a8fd4SJiri Pirko rcu_read_lock(); 1968234a8fd4SJiri Pirko list_for_each_entry_rcu(port, &team->port_list, list) { 1969234a8fd4SJiri Pirko features = netdev_increment_features(features, 1970234a8fd4SJiri Pirko port->dev->features, 1971234a8fd4SJiri Pirko mask); 1972234a8fd4SJiri Pirko } 1973234a8fd4SJiri Pirko rcu_read_unlock(); 1974247f6d0fSJiri Pirko 1975247f6d0fSJiri Pirko features = netdev_add_tso_features(features, mask); 1976247f6d0fSJiri Pirko 1977234a8fd4SJiri Pirko return features; 1978234a8fd4SJiri Pirko } 1979234a8fd4SJiri Pirko 19804cafe373SFlavio Leitner static int team_change_carrier(struct net_device *dev, bool new_carrier) 19814cafe373SFlavio Leitner { 1982e185483eSFlavio Leitner struct team *team = netdev_priv(dev); 1983e185483eSFlavio Leitner 1984e185483eSFlavio Leitner team->user_carrier_enabled = true; 1985e185483eSFlavio Leitner 19864cafe373SFlavio Leitner if (new_carrier) 19874cafe373SFlavio Leitner netif_carrier_on(dev); 19884cafe373SFlavio Leitner else 19894cafe373SFlavio Leitner netif_carrier_off(dev); 19904cafe373SFlavio Leitner return 0; 19914cafe373SFlavio Leitner } 19924cafe373SFlavio Leitner 19933d249d4cSJiri Pirko static const struct net_device_ops team_netdev_ops = { 19943d249d4cSJiri Pirko .ndo_init = team_init, 19953d249d4cSJiri Pirko .ndo_uninit = team_uninit, 19963d249d4cSJiri Pirko .ndo_open = team_open, 19973d249d4cSJiri Pirko .ndo_stop = team_close, 19983d249d4cSJiri Pirko .ndo_start_xmit = team_xmit, 19996c85f2bdSJiri Pirko .ndo_select_queue = team_select_queue, 20003d249d4cSJiri Pirko .ndo_change_rx_flags = team_change_rx_flags, 20013d249d4cSJiri Pirko .ndo_set_rx_mode = team_set_rx_mode, 20023d249d4cSJiri Pirko .ndo_set_mac_address = team_set_mac_address, 20033d249d4cSJiri Pirko .ndo_change_mtu = team_change_mtu, 20043d249d4cSJiri Pirko .ndo_get_stats64 = team_get_stats64, 20053d249d4cSJiri Pirko .ndo_vlan_rx_add_vid = team_vlan_rx_add_vid, 20063d249d4cSJiri Pirko .ndo_vlan_rx_kill_vid = team_vlan_rx_kill_vid, 2007bd2d0837SJiri Pirko #ifdef CONFIG_NET_POLL_CONTROLLER 2008bd2d0837SJiri Pirko .ndo_poll_controller = team_poll_controller, 2009bd2d0837SJiri Pirko .ndo_netpoll_setup = team_netpoll_setup, 2010bd2d0837SJiri Pirko .ndo_netpoll_cleanup = team_netpoll_cleanup, 2011bd2d0837SJiri Pirko #endif 20123d249d4cSJiri Pirko .ndo_add_slave = team_add_slave, 20133d249d4cSJiri Pirko .ndo_del_slave = team_del_slave, 2014234a8fd4SJiri Pirko .ndo_fix_features = team_fix_features, 20154cafe373SFlavio Leitner .ndo_change_carrier = team_change_carrier, 2016b9f4cf75SToshiaki Makita .ndo_features_check = passthru_features_check, 20173d249d4cSJiri Pirko }; 20183d249d4cSJiri Pirko 20197f51c587SFlavio Leitner /*********************** 20207f51c587SFlavio Leitner * ethtool interface 20217f51c587SFlavio Leitner ***********************/ 20227f51c587SFlavio Leitner 20237f51c587SFlavio Leitner static void team_ethtool_get_drvinfo(struct net_device *dev, 20247f51c587SFlavio Leitner struct ethtool_drvinfo *drvinfo) 20257f51c587SFlavio Leitner { 20263066af58SFlavio Leitner strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver)); 20273066af58SFlavio Leitner strlcpy(drvinfo->version, UTS_RELEASE, sizeof(drvinfo->version)); 20287f51c587SFlavio Leitner } 20297f51c587SFlavio Leitner 20307f51c587SFlavio Leitner static const struct ethtool_ops team_ethtool_ops = { 20317f51c587SFlavio Leitner .get_drvinfo = team_ethtool_get_drvinfo, 20327f51c587SFlavio Leitner .get_link = ethtool_op_get_link, 20337f51c587SFlavio Leitner }; 20343d249d4cSJiri Pirko 20353d249d4cSJiri Pirko /*********************** 20363d249d4cSJiri Pirko * rt netlink interface 20373d249d4cSJiri Pirko ***********************/ 20383d249d4cSJiri Pirko 20391d76efe1SJiri Pirko static void team_setup_by_port(struct net_device *dev, 20401d76efe1SJiri Pirko struct net_device *port_dev) 20411d76efe1SJiri Pirko { 20421d76efe1SJiri Pirko dev->header_ops = port_dev->header_ops; 20431d76efe1SJiri Pirko dev->type = port_dev->type; 20441d76efe1SJiri Pirko dev->hard_header_len = port_dev->hard_header_len; 20451d76efe1SJiri Pirko dev->addr_len = port_dev->addr_len; 20461d76efe1SJiri Pirko dev->mtu = port_dev->mtu; 20471d76efe1SJiri Pirko memcpy(dev->broadcast, port_dev->broadcast, port_dev->addr_len); 204893af7357SBjørn Mork eth_hw_addr_inherit(dev, port_dev); 20491d76efe1SJiri Pirko } 20501d76efe1SJiri Pirko 20511d76efe1SJiri Pirko static int team_dev_type_check_change(struct net_device *dev, 20521d76efe1SJiri Pirko struct net_device *port_dev) 20531d76efe1SJiri Pirko { 20541d76efe1SJiri Pirko struct team *team = netdev_priv(dev); 20551d76efe1SJiri Pirko char *portname = port_dev->name; 20561d76efe1SJiri Pirko int err; 20571d76efe1SJiri Pirko 20581d76efe1SJiri Pirko if (dev->type == port_dev->type) 20591d76efe1SJiri Pirko return 0; 20601d76efe1SJiri Pirko if (!list_empty(&team->port_list)) { 20611d76efe1SJiri Pirko netdev_err(dev, "Device %s is of different type\n", portname); 20621d76efe1SJiri Pirko return -EBUSY; 20631d76efe1SJiri Pirko } 20641d76efe1SJiri Pirko err = call_netdevice_notifiers(NETDEV_PRE_TYPE_CHANGE, dev); 20651d76efe1SJiri Pirko err = notifier_to_errno(err); 20661d76efe1SJiri Pirko if (err) { 20671d76efe1SJiri Pirko netdev_err(dev, "Refused to change device type\n"); 20681d76efe1SJiri Pirko return err; 20691d76efe1SJiri Pirko } 20701d76efe1SJiri Pirko dev_uc_flush(dev); 20711d76efe1SJiri Pirko dev_mc_flush(dev); 20721d76efe1SJiri Pirko team_setup_by_port(dev, port_dev); 20731d76efe1SJiri Pirko call_netdevice_notifiers(NETDEV_POST_TYPE_CHANGE, dev); 20741d76efe1SJiri Pirko return 0; 20751d76efe1SJiri Pirko } 20761d76efe1SJiri Pirko 20773d249d4cSJiri Pirko static void team_setup(struct net_device *dev) 20783d249d4cSJiri Pirko { 20793d249d4cSJiri Pirko ether_setup(dev); 20803331aa37SJarod Wilson dev->max_mtu = ETH_MAX_MTU; 20813d249d4cSJiri Pirko 20823d249d4cSJiri Pirko dev->netdev_ops = &team_netdev_ops; 20837f51c587SFlavio Leitner dev->ethtool_ops = &team_ethtool_ops; 2084cf124db5SDavid S. Miller dev->needs_free_netdev = true; 2085cf124db5SDavid S. Miller dev->priv_destructor = team_destructor; 20863d249d4cSJiri Pirko dev->priv_flags &= ~(IFF_XMIT_DST_RELEASE | IFF_TX_SKB_SHARING); 208722e380a6SPhil Sutter dev->priv_flags |= IFF_NO_QUEUE; 2088c981e421SJiri Pirko dev->priv_flags |= IFF_TEAM; 20893d249d4cSJiri Pirko 20903d249d4cSJiri Pirko /* 20913d249d4cSJiri Pirko * Indicate we support unicast address filtering. That way core won't 20923d249d4cSJiri Pirko * bring us to promisc mode in case a unicast addr is added. 20933d249d4cSJiri Pirko * Let this up to underlay drivers. 20943d249d4cSJiri Pirko */ 20955a1d1c8cSJiri Pirko dev->priv_flags |= IFF_UNICAST_FLT | IFF_LIVE_ADDR_CHANGE; 20963d249d4cSJiri Pirko 20973d249d4cSJiri Pirko dev->features |= NETIF_F_LLTX; 20983d249d4cSJiri Pirko dev->features |= NETIF_F_GRO; 209999301ba1SWeilong Chen 210099301ba1SWeilong Chen /* Don't allow team devices to change network namespaces. */ 210199301ba1SWeilong Chen dev->features |= NETIF_F_NETNS_LOCAL; 210299301ba1SWeilong Chen 21033ed71471SJiri Pirko dev->hw_features = TEAM_VLAN_FEATURES | 2104f646968fSPatrick McHardy NETIF_F_HW_VLAN_CTAG_TX | 2105f646968fSPatrick McHardy NETIF_F_HW_VLAN_CTAG_RX | 2106f646968fSPatrick McHardy NETIF_F_HW_VLAN_CTAG_FILTER; 21073d249d4cSJiri Pirko 21088eea1ca8SWillem de Bruijn dev->hw_features |= NETIF_F_GSO_ENCAP_ALL | NETIF_F_GSO_UDP_L4; 21093d249d4cSJiri Pirko dev->features |= dev->hw_features; 21103d249d4cSJiri Pirko } 21113d249d4cSJiri Pirko 21123d249d4cSJiri Pirko static int team_newlink(struct net *src_net, struct net_device *dev, 21137a3f4a18SMatthias Schiffer struct nlattr *tb[], struct nlattr *data[], 21147a3f4a18SMatthias Schiffer struct netlink_ext_ack *extack) 21153d249d4cSJiri Pirko { 21163d249d4cSJiri Pirko if (tb[IFLA_ADDRESS] == NULL) 21177ce5d222SDanny Kukawka eth_hw_addr_random(dev); 21183d249d4cSJiri Pirko 2119ff204cceSToshiaki Makita return register_netdevice(dev); 21203d249d4cSJiri Pirko } 21213d249d4cSJiri Pirko 2122a8b8a889SMatthias Schiffer static int team_validate(struct nlattr *tb[], struct nlattr *data[], 2123a8b8a889SMatthias Schiffer struct netlink_ext_ack *extack) 21243d249d4cSJiri Pirko { 21253d249d4cSJiri Pirko if (tb[IFLA_ADDRESS]) { 21263d249d4cSJiri Pirko if (nla_len(tb[IFLA_ADDRESS]) != ETH_ALEN) 21273d249d4cSJiri Pirko return -EINVAL; 21283d249d4cSJiri Pirko if (!is_valid_ether_addr(nla_data(tb[IFLA_ADDRESS]))) 21293d249d4cSJiri Pirko return -EADDRNOTAVAIL; 21303d249d4cSJiri Pirko } 21313d249d4cSJiri Pirko return 0; 21323d249d4cSJiri Pirko } 21333d249d4cSJiri Pirko 21346c85f2bdSJiri Pirko static unsigned int team_get_num_tx_queues(void) 21356c85f2bdSJiri Pirko { 21366c85f2bdSJiri Pirko return TEAM_DEFAULT_NUM_TX_QUEUES; 21376c85f2bdSJiri Pirko } 21386c85f2bdSJiri Pirko 21396c85f2bdSJiri Pirko static unsigned int team_get_num_rx_queues(void) 21406c85f2bdSJiri Pirko { 21416c85f2bdSJiri Pirko return TEAM_DEFAULT_NUM_RX_QUEUES; 21426c85f2bdSJiri Pirko } 21436c85f2bdSJiri Pirko 21443d249d4cSJiri Pirko static struct rtnl_link_ops team_link_ops __read_mostly = { 21453d249d4cSJiri Pirko .kind = DRV_NAME, 21463d249d4cSJiri Pirko .priv_size = sizeof(struct team), 21473d249d4cSJiri Pirko .setup = team_setup, 21483d249d4cSJiri Pirko .newlink = team_newlink, 21493d249d4cSJiri Pirko .validate = team_validate, 21506c85f2bdSJiri Pirko .get_num_tx_queues = team_get_num_tx_queues, 21516c85f2bdSJiri Pirko .get_num_rx_queues = team_get_num_rx_queues, 21523d249d4cSJiri Pirko }; 21533d249d4cSJiri Pirko 21543d249d4cSJiri Pirko 21553d249d4cSJiri Pirko /*********************************** 21563d249d4cSJiri Pirko * Generic netlink custom interface 21573d249d4cSJiri Pirko ***********************************/ 21583d249d4cSJiri Pirko 2159489111e5SJohannes Berg static struct genl_family team_nl_family; 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); 236972ec0bc6SPan Bian if (!hdr) { 237072ec0bc6SPan Bian nlmsg_free(skb); 2371a326e6ddSWei Yongjun return -EMSGSIZE; 237272ec0bc6SPan Bian } 237301048d9aSJiri Pirko 237401048d9aSJiri Pirko if (nla_put_u32(skb, TEAM_ATTR_TEAM_IFINDEX, team->dev->ifindex)) 237501048d9aSJiri Pirko goto nla_put_failure; 237601048d9aSJiri Pirko option_list = nla_nest_start(skb, TEAM_ATTR_LIST_OPTION); 237701048d9aSJiri Pirko if (!option_list) 237801048d9aSJiri Pirko goto nla_put_failure; 237901048d9aSJiri Pirko 23809b00cf2dSJiri Pirko i = 0; 23819b00cf2dSJiri Pirko incomplete = false; 23829b00cf2dSJiri Pirko list_for_each_entry_from(opt_inst, sel_opt_inst_list, tmp_list) { 238301048d9aSJiri Pirko err = team_nl_fill_one_option_get(skb, team, opt_inst); 23849b00cf2dSJiri Pirko if (err) { 23859b00cf2dSJiri Pirko if (err == -EMSGSIZE) { 23869b00cf2dSJiri Pirko if (!i) 238701048d9aSJiri Pirko goto errout; 23889b00cf2dSJiri Pirko incomplete = true; 23899b00cf2dSJiri Pirko break; 23909b00cf2dSJiri Pirko } 23919b00cf2dSJiri Pirko goto errout; 23929b00cf2dSJiri Pirko } 23939b00cf2dSJiri Pirko i++; 23943d249d4cSJiri Pirko } 23953d249d4cSJiri Pirko 23963d249d4cSJiri Pirko nla_nest_end(skb, option_list); 23979b00cf2dSJiri Pirko genlmsg_end(skb, hdr); 23989b00cf2dSJiri Pirko if (incomplete) 23999b00cf2dSJiri Pirko goto start_again; 24009b00cf2dSJiri Pirko 24019b00cf2dSJiri Pirko send_done: 240215e47304SEric W. Biederman nlh = nlmsg_put(skb, portid, seq, NLMSG_DONE, 0, flags | NLM_F_MULTI); 24039b00cf2dSJiri Pirko if (!nlh) { 240415e47304SEric W. Biederman err = __send_and_alloc_skb(&skb, team, portid, send_func); 24059b00cf2dSJiri Pirko if (err) 2406cbcc607eSArkadi Sharshevsky return err; 24079b00cf2dSJiri Pirko goto send_done; 24089b00cf2dSJiri Pirko } 24099b00cf2dSJiri Pirko 241015e47304SEric W. Biederman return send_func(skb, team, portid); 24113d249d4cSJiri Pirko 24123d249d4cSJiri Pirko nla_put_failure: 241380f7c668SJiri Pirko err = -EMSGSIZE; 241480f7c668SJiri Pirko errout: 24159b00cf2dSJiri Pirko nlmsg_free(skb); 241680f7c668SJiri Pirko return err; 24173d249d4cSJiri Pirko } 24183d249d4cSJiri Pirko 24193d249d4cSJiri Pirko static int team_nl_cmd_options_get(struct sk_buff *skb, struct genl_info *info) 24203d249d4cSJiri Pirko { 24213d249d4cSJiri Pirko struct team *team; 24229b00cf2dSJiri Pirko struct team_option_inst *opt_inst; 24233d249d4cSJiri Pirko int err; 24249b00cf2dSJiri Pirko LIST_HEAD(sel_opt_inst_list); 24253d249d4cSJiri Pirko 24263d249d4cSJiri Pirko team = team_nl_team_get(info); 24273d249d4cSJiri Pirko if (!team) 24283d249d4cSJiri Pirko return -EINVAL; 24293d249d4cSJiri Pirko 24309b00cf2dSJiri Pirko list_for_each_entry(opt_inst, &team->option_inst_list, list) 24319b00cf2dSJiri Pirko list_add_tail(&opt_inst->tmp_list, &sel_opt_inst_list); 243215e47304SEric W. Biederman err = team_nl_send_options_get(team, info->snd_portid, info->snd_seq, 24339b00cf2dSJiri Pirko NLM_F_ACK, team_nl_send_unicast, 24349b00cf2dSJiri Pirko &sel_opt_inst_list); 24353d249d4cSJiri Pirko 24363d249d4cSJiri Pirko team_nl_team_put(team); 24373d249d4cSJiri Pirko 24383d249d4cSJiri Pirko return err; 24393d249d4cSJiri Pirko } 24403d249d4cSJiri Pirko 24412fcdb2c9SJiri Pirko static int team_nl_send_event_options_get(struct team *team, 24422fcdb2c9SJiri Pirko struct list_head *sel_opt_inst_list); 24432fcdb2c9SJiri Pirko 24443d249d4cSJiri Pirko static int team_nl_cmd_options_set(struct sk_buff *skb, struct genl_info *info) 24453d249d4cSJiri Pirko { 24463d249d4cSJiri Pirko struct team *team; 24473d249d4cSJiri Pirko int err = 0; 24483d249d4cSJiri Pirko int i; 24493d249d4cSJiri Pirko struct nlattr *nl_option; 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; 24692fdeee25SCong Wang LIST_HEAD(opt_inst_list); 24703d249d4cSJiri Pirko enum team_option_type opt_type; 247180f7c668SJiri Pirko int opt_port_ifindex = 0; /* != 0 for per-port options */ 2472b1303326SJiri Pirko u32 opt_array_index = 0; 2473b1303326SJiri Pirko bool opt_is_array = false; 247480f7c668SJiri Pirko struct team_option_inst *opt_inst; 24753d249d4cSJiri Pirko char *opt_name; 24763d249d4cSJiri Pirko bool opt_found = false; 24773d249d4cSJiri Pirko 24783d249d4cSJiri Pirko if (nla_type(nl_option) != TEAM_ATTR_ITEM_OPTION) { 24793d249d4cSJiri Pirko err = -EINVAL; 24803d249d4cSJiri Pirko goto team_put; 24813d249d4cSJiri Pirko } 248280f7c668SJiri Pirko err = nla_parse_nested(opt_attrs, TEAM_ATTR_OPTION_MAX, 2483fe52145fSJohannes Berg nl_option, team_nl_option_policy, 2484fe52145fSJohannes Berg info->extack); 24853d249d4cSJiri Pirko if (err) 24863d249d4cSJiri Pirko goto team_put; 248780f7c668SJiri Pirko if (!opt_attrs[TEAM_ATTR_OPTION_NAME] || 248814f066baSJiri Pirko !opt_attrs[TEAM_ATTR_OPTION_TYPE]) { 24893d249d4cSJiri Pirko err = -EINVAL; 24903d249d4cSJiri Pirko goto team_put; 24913d249d4cSJiri Pirko } 249280f7c668SJiri Pirko switch (nla_get_u8(opt_attrs[TEAM_ATTR_OPTION_TYPE])) { 24933d249d4cSJiri Pirko case NLA_U32: 24943d249d4cSJiri Pirko opt_type = TEAM_OPTION_TYPE_U32; 24953d249d4cSJiri Pirko break; 24963d249d4cSJiri Pirko case NLA_STRING: 24973d249d4cSJiri Pirko opt_type = TEAM_OPTION_TYPE_STRING; 24983d249d4cSJiri Pirko break; 24992615598fSJiri Pirko case NLA_BINARY: 25002615598fSJiri Pirko opt_type = TEAM_OPTION_TYPE_BINARY; 25012615598fSJiri Pirko break; 250214f066baSJiri Pirko case NLA_FLAG: 250314f066baSJiri Pirko opt_type = TEAM_OPTION_TYPE_BOOL; 250414f066baSJiri Pirko break; 250569821638SJiri Pirko case NLA_S32: 250669821638SJiri Pirko opt_type = TEAM_OPTION_TYPE_S32; 250769821638SJiri Pirko break; 25083d249d4cSJiri Pirko default: 25093d249d4cSJiri Pirko goto team_put; 25103d249d4cSJiri Pirko } 25113d249d4cSJiri Pirko 251214f066baSJiri Pirko attr_data = opt_attrs[TEAM_ATTR_OPTION_DATA]; 251314f066baSJiri Pirko if (opt_type != TEAM_OPTION_TYPE_BOOL && !attr_data) { 251414f066baSJiri Pirko err = -EINVAL; 251514f066baSJiri Pirko goto team_put; 251614f066baSJiri Pirko } 251714f066baSJiri Pirko 251880f7c668SJiri Pirko opt_name = nla_data(opt_attrs[TEAM_ATTR_OPTION_NAME]); 2519b1303326SJiri Pirko attr = opt_attrs[TEAM_ATTR_OPTION_PORT_IFINDEX]; 2520b1303326SJiri Pirko if (attr) 2521b1303326SJiri Pirko opt_port_ifindex = nla_get_u32(attr); 2522b1303326SJiri Pirko 2523b1303326SJiri Pirko attr = opt_attrs[TEAM_ATTR_OPTION_ARRAY_INDEX]; 2524b1303326SJiri Pirko if (attr) { 2525b1303326SJiri Pirko opt_is_array = true; 2526b1303326SJiri Pirko opt_array_index = nla_get_u32(attr); 2527b1303326SJiri Pirko } 25283d249d4cSJiri Pirko 252980f7c668SJiri Pirko list_for_each_entry(opt_inst, &team->option_inst_list, list) { 253080f7c668SJiri Pirko struct team_option *option = opt_inst->option; 253180f7c668SJiri Pirko struct team_gsetter_ctx ctx; 253285d59a87SJiri Pirko struct team_option_inst_info *opt_inst_info; 253380f7c668SJiri Pirko int tmp_ifindex; 253480f7c668SJiri Pirko 253585d59a87SJiri Pirko opt_inst_info = &opt_inst->info; 253685d59a87SJiri Pirko tmp_ifindex = opt_inst_info->port ? 253785d59a87SJiri Pirko opt_inst_info->port->dev->ifindex : 0; 25383d249d4cSJiri Pirko if (option->type != opt_type || 253980f7c668SJiri Pirko strcmp(option->name, opt_name) || 2540b1303326SJiri Pirko tmp_ifindex != opt_port_ifindex || 2541b1303326SJiri Pirko (option->array_size && !opt_is_array) || 254285d59a87SJiri Pirko opt_inst_info->array_index != opt_array_index) 25433d249d4cSJiri Pirko continue; 25443d249d4cSJiri Pirko opt_found = true; 254585d59a87SJiri Pirko ctx.info = opt_inst_info; 25463d249d4cSJiri Pirko switch (opt_type) { 25473d249d4cSJiri Pirko case TEAM_OPTION_TYPE_U32: 254814f066baSJiri Pirko ctx.data.u32_val = nla_get_u32(attr_data); 25493d249d4cSJiri Pirko break; 25503d249d4cSJiri Pirko case TEAM_OPTION_TYPE_STRING: 255114f066baSJiri Pirko if (nla_len(attr_data) > TEAM_STRING_MAX_LEN) { 25522615598fSJiri Pirko err = -EINVAL; 25532615598fSJiri Pirko goto team_put; 25542615598fSJiri Pirko } 255514f066baSJiri Pirko ctx.data.str_val = nla_data(attr_data); 25563d249d4cSJiri Pirko break; 25572615598fSJiri Pirko case TEAM_OPTION_TYPE_BINARY: 255814f066baSJiri Pirko ctx.data.bin_val.len = nla_len(attr_data); 255914f066baSJiri Pirko ctx.data.bin_val.ptr = nla_data(attr_data); 256014f066baSJiri Pirko break; 256114f066baSJiri Pirko case TEAM_OPTION_TYPE_BOOL: 256214f066baSJiri Pirko ctx.data.bool_val = attr_data ? true : false; 25632615598fSJiri Pirko break; 256469821638SJiri Pirko case TEAM_OPTION_TYPE_S32: 256569821638SJiri Pirko ctx.data.s32_val = nla_get_s32(attr_data); 256669821638SJiri Pirko break; 25673d249d4cSJiri Pirko default: 25683d249d4cSJiri Pirko BUG(); 25693d249d4cSJiri Pirko } 257080f7c668SJiri Pirko err = team_option_set(team, opt_inst, &ctx); 25713d249d4cSJiri Pirko if (err) 25723d249d4cSJiri Pirko goto team_put; 25732fcdb2c9SJiri Pirko opt_inst->changed = true; 25742fcdb2c9SJiri Pirko list_add(&opt_inst->tmp_list, &opt_inst_list); 25753d249d4cSJiri Pirko } 25763d249d4cSJiri Pirko if (!opt_found) { 25773d249d4cSJiri Pirko err = -ENOENT; 25783d249d4cSJiri Pirko goto team_put; 25793d249d4cSJiri Pirko } 25803d249d4cSJiri Pirko 25812fcdb2c9SJiri Pirko err = team_nl_send_event_options_get(team, &opt_inst_list); 25822fdeee25SCong Wang if (err) 25832fdeee25SCong Wang break; 25842fdeee25SCong Wang } 25852fcdb2c9SJiri Pirko 25863d249d4cSJiri Pirko team_put: 25873d249d4cSJiri Pirko team_nl_team_put(team); 25887d259505SJiri Pirko rtnl_unlock: 25897d259505SJiri Pirko rtnl_unlock(); 25903d249d4cSJiri Pirko return err; 25913d249d4cSJiri Pirko } 25923d249d4cSJiri Pirko 2593d90f889eSJiri Pirko static int team_nl_fill_one_port_get(struct sk_buff *skb, 2594d90f889eSJiri Pirko struct team_port *port) 2595d90f889eSJiri Pirko { 2596d90f889eSJiri Pirko struct nlattr *port_item; 2597d90f889eSJiri Pirko 2598d90f889eSJiri Pirko port_item = nla_nest_start(skb, TEAM_ATTR_ITEM_PORT); 2599d90f889eSJiri Pirko if (!port_item) 2600d90f889eSJiri Pirko goto nest_cancel; 2601d90f889eSJiri Pirko if (nla_put_u32(skb, TEAM_ATTR_PORT_IFINDEX, port->dev->ifindex)) 2602d90f889eSJiri Pirko goto nest_cancel; 2603d90f889eSJiri Pirko if (port->changed) { 2604d90f889eSJiri Pirko if (nla_put_flag(skb, TEAM_ATTR_PORT_CHANGED)) 2605d90f889eSJiri Pirko goto nest_cancel; 2606d90f889eSJiri Pirko port->changed = false; 2607d90f889eSJiri Pirko } 2608d90f889eSJiri Pirko if ((port->removed && 2609d90f889eSJiri Pirko nla_put_flag(skb, TEAM_ATTR_PORT_REMOVED)) || 2610d90f889eSJiri Pirko (port->state.linkup && 2611d90f889eSJiri Pirko nla_put_flag(skb, TEAM_ATTR_PORT_LINKUP)) || 2612d90f889eSJiri Pirko nla_put_u32(skb, TEAM_ATTR_PORT_SPEED, port->state.speed) || 2613d90f889eSJiri Pirko nla_put_u8(skb, TEAM_ATTR_PORT_DUPLEX, port->state.duplex)) 2614d90f889eSJiri Pirko goto nest_cancel; 2615d90f889eSJiri Pirko nla_nest_end(skb, port_item); 2616d90f889eSJiri Pirko return 0; 2617d90f889eSJiri Pirko 2618d90f889eSJiri Pirko nest_cancel: 2619d90f889eSJiri Pirko nla_nest_cancel(skb, port_item); 2620d90f889eSJiri Pirko return -EMSGSIZE; 2621d90f889eSJiri Pirko } 2622d90f889eSJiri Pirko 2623d90f889eSJiri Pirko static int team_nl_send_port_list_get(struct team *team, u32 portid, u32 seq, 2624d90f889eSJiri Pirko int flags, team_nl_send_func_t *send_func, 2625d90f889eSJiri Pirko struct team_port *one_port) 26263d249d4cSJiri Pirko { 26273d249d4cSJiri Pirko struct nlattr *port_list; 2628d90f889eSJiri Pirko struct nlmsghdr *nlh; 26293d249d4cSJiri Pirko void *hdr; 26303d249d4cSJiri Pirko struct team_port *port; 2631d90f889eSJiri Pirko int err; 2632d90f889eSJiri Pirko struct sk_buff *skb = NULL; 2633d90f889eSJiri Pirko bool incomplete; 2634d90f889eSJiri Pirko int i; 26353d249d4cSJiri Pirko 26363f3e7ce4SJiri Pirko port = list_first_entry_or_null(&team->port_list, 26373f3e7ce4SJiri Pirko struct team_port, list); 2638d90f889eSJiri Pirko 2639d90f889eSJiri Pirko start_again: 2640d90f889eSJiri Pirko err = __send_and_alloc_skb(&skb, team, portid, send_func); 2641d90f889eSJiri Pirko if (err) 2642d90f889eSJiri Pirko return err; 2643d90f889eSJiri Pirko 2644d90f889eSJiri Pirko hdr = genlmsg_put(skb, portid, seq, &team_nl_family, flags | NLM_F_MULTI, 26453d249d4cSJiri Pirko TEAM_CMD_PORT_LIST_GET); 264672ec0bc6SPan Bian if (!hdr) { 264772ec0bc6SPan Bian nlmsg_free(skb); 2648a326e6ddSWei Yongjun return -EMSGSIZE; 264972ec0bc6SPan Bian } 26503d249d4cSJiri Pirko 265186ebb02dSDavid S. Miller if (nla_put_u32(skb, TEAM_ATTR_TEAM_IFINDEX, team->dev->ifindex)) 265286ebb02dSDavid S. Miller goto nla_put_failure; 26533d249d4cSJiri Pirko port_list = nla_nest_start(skb, TEAM_ATTR_LIST_PORT); 26543d249d4cSJiri Pirko if (!port_list) 26553221c646SJiri Pirko goto nla_put_failure; 26563d249d4cSJiri Pirko 2657d90f889eSJiri Pirko i = 0; 2658d90f889eSJiri Pirko incomplete = false; 26593d249d4cSJiri Pirko 2660d90f889eSJiri Pirko /* If one port is selected, called wants to send port list containing 2661d90f889eSJiri Pirko * only this port. Otherwise go through all listed ports and send all 2662d90f889eSJiri Pirko */ 2663d90f889eSJiri Pirko if (one_port) { 2664d90f889eSJiri Pirko err = team_nl_fill_one_port_get(skb, one_port); 2665d90f889eSJiri Pirko if (err) 2666d90f889eSJiri Pirko goto errout; 26673f3e7ce4SJiri Pirko } else if (port) { 26683f3e7ce4SJiri Pirko list_for_each_entry_from(port, &team->port_list, list) { 2669d90f889eSJiri Pirko err = team_nl_fill_one_port_get(skb, port); 2670d90f889eSJiri Pirko if (err) { 2671d90f889eSJiri Pirko if (err == -EMSGSIZE) { 2672d90f889eSJiri Pirko if (!i) 2673d90f889eSJiri Pirko goto errout; 2674d90f889eSJiri Pirko incomplete = true; 2675d90f889eSJiri Pirko break; 2676b82b9183SJiri Pirko } 2677d90f889eSJiri Pirko goto errout; 2678d90f889eSJiri Pirko } 2679d90f889eSJiri Pirko i++; 2680d90f889eSJiri Pirko } 26813d249d4cSJiri Pirko } 26823d249d4cSJiri Pirko 26833d249d4cSJiri Pirko nla_nest_end(skb, port_list); 2684d90f889eSJiri Pirko genlmsg_end(skb, hdr); 2685d90f889eSJiri Pirko if (incomplete) 2686d90f889eSJiri Pirko goto start_again; 26873d249d4cSJiri Pirko 2688d90f889eSJiri Pirko send_done: 2689d90f889eSJiri Pirko nlh = nlmsg_put(skb, portid, seq, NLMSG_DONE, 0, flags | NLM_F_MULTI); 2690d90f889eSJiri Pirko if (!nlh) { 2691d90f889eSJiri Pirko err = __send_and_alloc_skb(&skb, team, portid, send_func); 2692d90f889eSJiri Pirko if (err) 2693cbcc607eSArkadi Sharshevsky return err; 2694d90f889eSJiri Pirko goto send_done; 26953d249d4cSJiri Pirko } 26963d249d4cSJiri Pirko 2697d90f889eSJiri Pirko return send_func(skb, team, portid); 2698d90f889eSJiri Pirko 2699d90f889eSJiri Pirko nla_put_failure: 2700d90f889eSJiri Pirko err = -EMSGSIZE; 2701d90f889eSJiri Pirko errout: 2702d90f889eSJiri Pirko nlmsg_free(skb); 2703d90f889eSJiri Pirko return err; 27043d249d4cSJiri Pirko } 27053d249d4cSJiri Pirko 27063d249d4cSJiri Pirko static int team_nl_cmd_port_list_get(struct sk_buff *skb, 27073d249d4cSJiri Pirko struct genl_info *info) 27083d249d4cSJiri Pirko { 27093d249d4cSJiri Pirko struct team *team; 27103d249d4cSJiri Pirko int err; 27113d249d4cSJiri Pirko 27123d249d4cSJiri Pirko team = team_nl_team_get(info); 27133d249d4cSJiri Pirko if (!team) 27143d249d4cSJiri Pirko return -EINVAL; 27153d249d4cSJiri Pirko 2716d90f889eSJiri Pirko err = team_nl_send_port_list_get(team, info->snd_portid, info->snd_seq, 2717d90f889eSJiri Pirko NLM_F_ACK, team_nl_send_unicast, NULL); 27183d249d4cSJiri Pirko 27193d249d4cSJiri Pirko team_nl_team_put(team); 27203d249d4cSJiri Pirko 27213d249d4cSJiri Pirko return err; 27223d249d4cSJiri Pirko } 27233d249d4cSJiri Pirko 27244534de83SJohannes Berg static const struct genl_ops team_nl_ops[] = { 27253d249d4cSJiri Pirko { 27263d249d4cSJiri Pirko .cmd = TEAM_CMD_NOOP, 27273d249d4cSJiri Pirko .doit = team_nl_cmd_noop, 27283d249d4cSJiri Pirko }, 27293d249d4cSJiri Pirko { 27303d249d4cSJiri Pirko .cmd = TEAM_CMD_OPTIONS_SET, 27313d249d4cSJiri Pirko .doit = team_nl_cmd_options_set, 27323d249d4cSJiri Pirko .flags = GENL_ADMIN_PERM, 27333d249d4cSJiri Pirko }, 27343d249d4cSJiri Pirko { 27353d249d4cSJiri Pirko .cmd = TEAM_CMD_OPTIONS_GET, 27363d249d4cSJiri Pirko .doit = team_nl_cmd_options_get, 27373d249d4cSJiri Pirko .flags = GENL_ADMIN_PERM, 27383d249d4cSJiri Pirko }, 27393d249d4cSJiri Pirko { 27403d249d4cSJiri Pirko .cmd = TEAM_CMD_PORT_LIST_GET, 27413d249d4cSJiri Pirko .doit = team_nl_cmd_port_list_get, 27423d249d4cSJiri Pirko .flags = GENL_ADMIN_PERM, 27433d249d4cSJiri Pirko }, 27443d249d4cSJiri Pirko }; 27453d249d4cSJiri Pirko 27462a94fe48SJohannes Berg static const struct genl_multicast_group team_nl_mcgrps[] = { 27472a94fe48SJohannes Berg { .name = TEAM_GENL_CHANGE_EVENT_MC_GRP_NAME, }, 27483d249d4cSJiri Pirko }; 27493d249d4cSJiri Pirko 275056989f6dSJohannes Berg static struct genl_family team_nl_family __ro_after_init = { 2751489111e5SJohannes Berg .name = TEAM_GENL_NAME, 2752489111e5SJohannes Berg .version = TEAM_GENL_VERSION, 2753489111e5SJohannes Berg .maxattr = TEAM_ATTR_MAX, 27543b0f31f2SJohannes Berg .policy = team_nl_policy, 2755489111e5SJohannes Berg .netnsok = true, 2756489111e5SJohannes Berg .module = THIS_MODULE, 2757489111e5SJohannes Berg .ops = team_nl_ops, 2758489111e5SJohannes Berg .n_ops = ARRAY_SIZE(team_nl_ops), 2759489111e5SJohannes Berg .mcgrps = team_nl_mcgrps, 2760489111e5SJohannes Berg .n_mcgrps = ARRAY_SIZE(team_nl_mcgrps), 2761489111e5SJohannes Berg }; 2762489111e5SJohannes Berg 27639b00cf2dSJiri Pirko static int team_nl_send_multicast(struct sk_buff *skb, 276415e47304SEric W. Biederman struct team *team, u32 portid) 27659b00cf2dSJiri Pirko { 276668eb5503SJohannes Berg return genlmsg_multicast_netns(&team_nl_family, dev_net(team->dev), 27672a94fe48SJohannes Berg skb, 0, 0, GFP_KERNEL); 27689b00cf2dSJiri Pirko } 27699b00cf2dSJiri Pirko 277001048d9aSJiri Pirko static int team_nl_send_event_options_get(struct team *team, 277101048d9aSJiri Pirko struct list_head *sel_opt_inst_list) 27723d249d4cSJiri Pirko { 27739b00cf2dSJiri Pirko return team_nl_send_options_get(team, 0, 0, 0, team_nl_send_multicast, 27749b00cf2dSJiri Pirko sel_opt_inst_list); 27753d249d4cSJiri Pirko } 27763d249d4cSJiri Pirko 2777d90f889eSJiri Pirko static int team_nl_send_event_port_get(struct team *team, 2778d90f889eSJiri Pirko struct team_port *port) 27793d249d4cSJiri Pirko { 2780d90f889eSJiri Pirko return team_nl_send_port_list_get(team, 0, 0, 0, team_nl_send_multicast, 2781d90f889eSJiri Pirko port); 27823d249d4cSJiri Pirko } 27833d249d4cSJiri Pirko 278456989f6dSJohannes Berg static int __init team_nl_init(void) 27853d249d4cSJiri Pirko { 2786489111e5SJohannes Berg return genl_register_family(&team_nl_family); 27873d249d4cSJiri Pirko } 27883d249d4cSJiri Pirko 27893d249d4cSJiri Pirko static void team_nl_fini(void) 27903d249d4cSJiri Pirko { 27913d249d4cSJiri Pirko genl_unregister_family(&team_nl_family); 27923d249d4cSJiri Pirko } 27933d249d4cSJiri Pirko 27943d249d4cSJiri Pirko 27953d249d4cSJiri Pirko /****************** 27963d249d4cSJiri Pirko * Change checkers 27973d249d4cSJiri Pirko ******************/ 27983d249d4cSJiri Pirko 2799b82b9183SJiri Pirko static void __team_options_change_check(struct team *team) 28003d249d4cSJiri Pirko { 28013d249d4cSJiri Pirko int err; 280201048d9aSJiri Pirko struct team_option_inst *opt_inst; 280301048d9aSJiri Pirko LIST_HEAD(sel_opt_inst_list); 28043d249d4cSJiri Pirko 280501048d9aSJiri Pirko list_for_each_entry(opt_inst, &team->option_inst_list, list) { 280601048d9aSJiri Pirko if (opt_inst->changed) 280701048d9aSJiri Pirko list_add_tail(&opt_inst->tmp_list, &sel_opt_inst_list); 280801048d9aSJiri Pirko } 280901048d9aSJiri Pirko err = team_nl_send_event_options_get(team, &sel_opt_inst_list); 28100c7517e9SJiri Pirko if (err && err != -ESRCH) 28119b00cf2dSJiri Pirko netdev_warn(team->dev, "Failed to send options change via netlink (err %d)\n", 28129b00cf2dSJiri Pirko err); 28133d249d4cSJiri Pirko } 28143d249d4cSJiri Pirko 28153d249d4cSJiri Pirko /* rtnl lock is held */ 281610f3f51dSJiri Pirko 281710f3f51dSJiri Pirko static void __team_port_change_send(struct team_port *port, bool linkup) 28183d249d4cSJiri Pirko { 28193d249d4cSJiri Pirko int err; 28203d249d4cSJiri Pirko 2821b82b9183SJiri Pirko port->changed = true; 282271472ec1SJiri Pirko port->state.linkup = linkup; 282371472ec1SJiri Pirko team_refresh_port_linkup(port); 28243d249d4cSJiri Pirko if (linkup) { 28250ab6b544SDavid Decotigny struct ethtool_link_ksettings ecmd; 28263d249d4cSJiri Pirko 28270ab6b544SDavid Decotigny err = __ethtool_get_link_ksettings(port->dev, &ecmd); 28283d249d4cSJiri Pirko if (!err) { 28290ab6b544SDavid Decotigny port->state.speed = ecmd.base.speed; 28300ab6b544SDavid Decotigny port->state.duplex = ecmd.base.duplex; 28313d249d4cSJiri Pirko goto send_event; 28323d249d4cSJiri Pirko } 28333d249d4cSJiri Pirko } 283471472ec1SJiri Pirko port->state.speed = 0; 283571472ec1SJiri Pirko port->state.duplex = 0; 28363d249d4cSJiri Pirko 28373d249d4cSJiri Pirko send_event: 2838d90f889eSJiri Pirko err = team_nl_send_event_port_get(port->team, port); 28390c7517e9SJiri Pirko if (err && err != -ESRCH) 28400c7517e9SJiri Pirko netdev_warn(port->team->dev, "Failed to send port change of device %s via netlink (err %d)\n", 28410c7517e9SJiri Pirko port->dev->name, err); 28423d249d4cSJiri Pirko 28433d249d4cSJiri Pirko } 28443d249d4cSJiri Pirko 284506a7fc42SFlavio Leitner static void __team_carrier_check(struct team *team) 284606a7fc42SFlavio Leitner { 284706a7fc42SFlavio Leitner struct team_port *port; 284806a7fc42SFlavio Leitner bool team_linkup; 284906a7fc42SFlavio Leitner 2850e185483eSFlavio Leitner if (team->user_carrier_enabled) 2851e185483eSFlavio Leitner return; 2852e185483eSFlavio Leitner 285306a7fc42SFlavio Leitner team_linkup = false; 285406a7fc42SFlavio Leitner list_for_each_entry(port, &team->port_list, list) { 285506a7fc42SFlavio Leitner if (port->linkup) { 285606a7fc42SFlavio Leitner team_linkup = true; 285706a7fc42SFlavio Leitner break; 285806a7fc42SFlavio Leitner } 285906a7fc42SFlavio Leitner } 286006a7fc42SFlavio Leitner 286106a7fc42SFlavio Leitner if (team_linkup) 286206a7fc42SFlavio Leitner netif_carrier_on(team->dev); 286306a7fc42SFlavio Leitner else 286406a7fc42SFlavio Leitner netif_carrier_off(team->dev); 286506a7fc42SFlavio Leitner } 286606a7fc42SFlavio Leitner 286710f3f51dSJiri Pirko static void __team_port_change_check(struct team_port *port, bool linkup) 286810f3f51dSJiri Pirko { 286910f3f51dSJiri Pirko if (port->state.linkup != linkup) 287010f3f51dSJiri Pirko __team_port_change_send(port, linkup); 287106a7fc42SFlavio Leitner __team_carrier_check(port->team); 287210f3f51dSJiri Pirko } 287310f3f51dSJiri Pirko 287410f3f51dSJiri Pirko static void __team_port_change_port_added(struct team_port *port, bool linkup) 287510f3f51dSJiri Pirko { 287610f3f51dSJiri Pirko __team_port_change_send(port, linkup); 287706a7fc42SFlavio Leitner __team_carrier_check(port->team); 287810f3f51dSJiri Pirko } 287910f3f51dSJiri Pirko 288010f3f51dSJiri Pirko static void __team_port_change_port_removed(struct team_port *port) 288110f3f51dSJiri Pirko { 288210f3f51dSJiri Pirko port->removed = true; 288310f3f51dSJiri Pirko __team_port_change_send(port, false); 288406a7fc42SFlavio Leitner __team_carrier_check(port->team); 288510f3f51dSJiri Pirko } 288610f3f51dSJiri Pirko 28873d249d4cSJiri Pirko static void team_port_change_check(struct team_port *port, bool linkup) 28883d249d4cSJiri Pirko { 28893d249d4cSJiri Pirko struct team *team = port->team; 28903d249d4cSJiri Pirko 289161dc3461SJiri Pirko mutex_lock(&team->lock); 28923d249d4cSJiri Pirko __team_port_change_check(port, linkup); 289361dc3461SJiri Pirko mutex_unlock(&team->lock); 28943d249d4cSJiri Pirko } 28953d249d4cSJiri Pirko 28960f1aad2bSJiri Pirko 28973d249d4cSJiri Pirko /************************************ 28983d249d4cSJiri Pirko * Net device notifier event handler 28993d249d4cSJiri Pirko ************************************/ 29003d249d4cSJiri Pirko 29013d249d4cSJiri Pirko static int team_device_event(struct notifier_block *unused, 29023d249d4cSJiri Pirko unsigned long event, void *ptr) 29033d249d4cSJiri Pirko { 2904351638e7SJiri Pirko struct net_device *dev = netdev_notifier_info_to_dev(ptr); 29053d249d4cSJiri Pirko struct team_port *port; 29063d249d4cSJiri Pirko 29073d249d4cSJiri Pirko port = team_port_get_rtnl(dev); 29083d249d4cSJiri Pirko if (!port) 29093d249d4cSJiri Pirko return NOTIFY_DONE; 29103d249d4cSJiri Pirko 29113d249d4cSJiri Pirko switch (event) { 29123d249d4cSJiri Pirko case NETDEV_UP: 29138c7a7726SGeorge Wilkie if (netif_oper_up(dev)) 29143d249d4cSJiri Pirko team_port_change_check(port, true); 2915ed2da03cSJiri Pirko break; 29163d249d4cSJiri Pirko case NETDEV_DOWN: 29173d249d4cSJiri Pirko team_port_change_check(port, false); 2918ed2da03cSJiri Pirko break; 29193d249d4cSJiri Pirko case NETDEV_CHANGE: 29203d249d4cSJiri Pirko if (netif_running(port->dev)) 29213d249d4cSJiri Pirko team_port_change_check(port, 2922f1d22a1eSGeorge Wilkie !!netif_oper_up(port->dev)); 29233d249d4cSJiri Pirko break; 29243d249d4cSJiri Pirko case NETDEV_UNREGISTER: 29253d249d4cSJiri Pirko team_del_slave(port->team->dev, dev); 29263d249d4cSJiri Pirko break; 29273d249d4cSJiri Pirko case NETDEV_FEAT_CHANGE: 29283d249d4cSJiri Pirko team_compute_features(port->team); 29293d249d4cSJiri Pirko break; 2930b01f236cSVeaceslav Falico case NETDEV_PRECHANGEMTU: 29313d249d4cSJiri Pirko /* Forbid to change mtu of underlaying device */ 29329d0d68faSJiri Pirko if (!port->team->port_mtu_change_allowed) 29333d249d4cSJiri Pirko return NOTIFY_BAD; 29349d0d68faSJiri Pirko break; 29353d249d4cSJiri Pirko case NETDEV_PRE_TYPE_CHANGE: 29363d249d4cSJiri Pirko /* Forbid to change type of underlaying device */ 29373d249d4cSJiri Pirko return NOTIFY_BAD; 29384aa5dee4SJiri Pirko case NETDEV_RESEND_IGMP: 29394aa5dee4SJiri Pirko /* Propagate to master device */ 29404aa5dee4SJiri Pirko call_netdevice_notifiers(event, port->team->dev); 29414aa5dee4SJiri Pirko break; 29423d249d4cSJiri Pirko } 29433d249d4cSJiri Pirko return NOTIFY_DONE; 29443d249d4cSJiri Pirko } 29453d249d4cSJiri Pirko 29463d249d4cSJiri Pirko static struct notifier_block team_notifier_block __read_mostly = { 29473d249d4cSJiri Pirko .notifier_call = team_device_event, 29483d249d4cSJiri Pirko }; 29493d249d4cSJiri Pirko 29503d249d4cSJiri Pirko 29513d249d4cSJiri Pirko /*********************** 29523d249d4cSJiri Pirko * Module init and exit 29533d249d4cSJiri Pirko ***********************/ 29543d249d4cSJiri Pirko 29553d249d4cSJiri Pirko static int __init team_module_init(void) 29563d249d4cSJiri Pirko { 29573d249d4cSJiri Pirko int err; 29583d249d4cSJiri Pirko 29593d249d4cSJiri Pirko register_netdevice_notifier(&team_notifier_block); 29603d249d4cSJiri Pirko 29613d249d4cSJiri Pirko err = rtnl_link_register(&team_link_ops); 29623d249d4cSJiri Pirko if (err) 29633d249d4cSJiri Pirko goto err_rtnl_reg; 29643d249d4cSJiri Pirko 29653d249d4cSJiri Pirko err = team_nl_init(); 29663d249d4cSJiri Pirko if (err) 29673d249d4cSJiri Pirko goto err_nl_init; 29683d249d4cSJiri Pirko 29693d249d4cSJiri Pirko return 0; 29703d249d4cSJiri Pirko 29713d249d4cSJiri Pirko err_nl_init: 29723d249d4cSJiri Pirko rtnl_link_unregister(&team_link_ops); 29733d249d4cSJiri Pirko 29743d249d4cSJiri Pirko err_rtnl_reg: 29753d249d4cSJiri Pirko unregister_netdevice_notifier(&team_notifier_block); 29763d249d4cSJiri Pirko 29773d249d4cSJiri Pirko return err; 29783d249d4cSJiri Pirko } 29793d249d4cSJiri Pirko 29803d249d4cSJiri Pirko static void __exit team_module_exit(void) 29813d249d4cSJiri Pirko { 29823d249d4cSJiri Pirko team_nl_fini(); 29833d249d4cSJiri Pirko rtnl_link_unregister(&team_link_ops); 29843d249d4cSJiri Pirko unregister_netdevice_notifier(&team_notifier_block); 29853d249d4cSJiri Pirko } 29863d249d4cSJiri Pirko 29873d249d4cSJiri Pirko module_init(team_module_init); 29883d249d4cSJiri Pirko module_exit(team_module_exit); 29893d249d4cSJiri Pirko 29903d249d4cSJiri Pirko MODULE_LICENSE("GPL v2"); 29913d249d4cSJiri Pirko MODULE_AUTHOR("Jiri Pirko <jpirko@redhat.com>"); 29923d249d4cSJiri Pirko MODULE_DESCRIPTION("Ethernet team device driver"); 29933d249d4cSJiri Pirko MODULE_ALIAS_RTNL_LINK(DRV_NAME); 2994