12874c5fdSThomas Gleixner // SPDX-License-Identifier: GPL-2.0-or-later 23d249d4cSJiri Pirko /* 30d572e45SJiri Pirko * drivers/net/team/team.c - Network team device driver 43d249d4cSJiri Pirko * Copyright (c) 2011 Jiri Pirko <jpirko@redhat.com> 53d249d4cSJiri Pirko */ 63d249d4cSJiri Pirko 7cc69837fSJakub Kicinski #include <linux/ethtool.h> 83d249d4cSJiri Pirko #include <linux/kernel.h> 93d249d4cSJiri Pirko #include <linux/types.h> 103d249d4cSJiri Pirko #include <linux/module.h> 113d249d4cSJiri Pirko #include <linux/init.h> 123d249d4cSJiri Pirko #include <linux/slab.h> 133d249d4cSJiri Pirko #include <linux/rcupdate.h> 143d249d4cSJiri Pirko #include <linux/errno.h> 153d249d4cSJiri Pirko #include <linux/ctype.h> 163d249d4cSJiri Pirko #include <linux/notifier.h> 173d249d4cSJiri Pirko #include <linux/netdevice.h> 18bd2d0837SJiri Pirko #include <linux/netpoll.h> 1987002b03SJiri Pirko #include <linux/if_vlan.h> 203d249d4cSJiri Pirko #include <linux/if_arp.h> 213d249d4cSJiri Pirko #include <linux/socket.h> 223d249d4cSJiri Pirko #include <linux/etherdevice.h> 233d249d4cSJiri Pirko #include <linux/rtnetlink.h> 243d249d4cSJiri Pirko #include <net/rtnetlink.h> 253d249d4cSJiri Pirko #include <net/genetlink.h> 263d249d4cSJiri Pirko #include <net/netlink.h> 276c85f2bdSJiri Pirko #include <net/sch_generic.h> 287f51c587SFlavio Leitner #include <generated/utsrelease.h> 293d249d4cSJiri Pirko #include <linux/if_team.h> 303d249d4cSJiri Pirko 313d249d4cSJiri Pirko #define DRV_NAME "team" 323d249d4cSJiri Pirko 333d249d4cSJiri Pirko 343d249d4cSJiri Pirko /********** 353d249d4cSJiri Pirko * Helpers 363d249d4cSJiri Pirko **********/ 373d249d4cSJiri Pirko 383d249d4cSJiri Pirko static struct team_port *team_port_get_rtnl(const struct net_device *dev) 393d249d4cSJiri Pirko { 403d249d4cSJiri Pirko struct team_port *port = rtnl_dereference(dev->rx_handler_data); 413d249d4cSJiri Pirko 42acb10eacSJulian Wiedmann return netif_is_team_port(dev) ? port : NULL; 433d249d4cSJiri Pirko } 443d249d4cSJiri Pirko 453d249d4cSJiri Pirko /* 461d76efe1SJiri Pirko * Since the ability to change device address for open port device is tested in 473d249d4cSJiri Pirko * team_port_add, this function can be called without control of return value 483d249d4cSJiri Pirko */ 491d76efe1SJiri Pirko static int __set_port_dev_addr(struct net_device *port_dev, 503d249d4cSJiri Pirko const unsigned char *dev_addr) 513d249d4cSJiri Pirko { 52996f6e12SWANG Cong struct sockaddr_storage addr; 533d249d4cSJiri Pirko 54996f6e12SWANG Cong memcpy(addr.__data, dev_addr, port_dev->addr_len); 55996f6e12SWANG Cong addr.ss_family = port_dev->type; 563a37a963SPetr Machata return dev_set_mac_address(port_dev, (struct sockaddr *)&addr, NULL); 573d249d4cSJiri Pirko } 583d249d4cSJiri Pirko 591d76efe1SJiri Pirko static int team_port_set_orig_dev_addr(struct team_port *port) 603d249d4cSJiri Pirko { 611d76efe1SJiri Pirko return __set_port_dev_addr(port->dev, port->orig.dev_addr); 623d249d4cSJiri Pirko } 633d249d4cSJiri Pirko 64acbba0d0SJiri Pirko static int team_port_set_team_dev_addr(struct team *team, 65acbba0d0SJiri Pirko struct team_port *port) 663d249d4cSJiri Pirko { 67acbba0d0SJiri Pirko return __set_port_dev_addr(port->dev, team->dev->dev_addr); 683d249d4cSJiri Pirko } 69acbba0d0SJiri Pirko 70acbba0d0SJiri Pirko int team_modeop_port_enter(struct team *team, struct team_port *port) 71acbba0d0SJiri Pirko { 72acbba0d0SJiri Pirko return team_port_set_team_dev_addr(team, port); 73acbba0d0SJiri Pirko } 74acbba0d0SJiri Pirko EXPORT_SYMBOL(team_modeop_port_enter); 75acbba0d0SJiri Pirko 76acbba0d0SJiri Pirko void team_modeop_port_change_dev_addr(struct team *team, 77acbba0d0SJiri Pirko struct team_port *port) 78acbba0d0SJiri Pirko { 79acbba0d0SJiri Pirko team_port_set_team_dev_addr(team, port); 80acbba0d0SJiri Pirko } 81acbba0d0SJiri Pirko EXPORT_SYMBOL(team_modeop_port_change_dev_addr); 823d249d4cSJiri Pirko 833a0d6c5aSJiri Pirko static void team_lower_state_changed(struct team_port *port) 843a0d6c5aSJiri Pirko { 853a0d6c5aSJiri Pirko struct netdev_lag_lower_state_info info; 863a0d6c5aSJiri Pirko 873a0d6c5aSJiri Pirko info.link_up = port->linkup; 883a0d6c5aSJiri Pirko info.tx_enabled = team_port_enabled(port); 893a0d6c5aSJiri Pirko netdev_lower_state_changed(port->dev, &info); 903a0d6c5aSJiri Pirko } 913a0d6c5aSJiri Pirko 9271472ec1SJiri Pirko static void team_refresh_port_linkup(struct team_port *port) 9371472ec1SJiri Pirko { 943a0d6c5aSJiri Pirko bool new_linkup = port->user.linkup_enabled ? port->user.linkup : 9571472ec1SJiri Pirko port->state.linkup; 963a0d6c5aSJiri Pirko 973a0d6c5aSJiri Pirko if (port->linkup != new_linkup) { 983a0d6c5aSJiri Pirko port->linkup = new_linkup; 993a0d6c5aSJiri Pirko team_lower_state_changed(port); 1003a0d6c5aSJiri Pirko } 10171472ec1SJiri Pirko } 1023d249d4cSJiri Pirko 1030f1aad2bSJiri Pirko 1043d249d4cSJiri Pirko /******************* 1053d249d4cSJiri Pirko * Options handling 1063d249d4cSJiri Pirko *******************/ 1073d249d4cSJiri Pirko 10880f7c668SJiri Pirko struct team_option_inst { /* One for each option instance */ 10980f7c668SJiri Pirko struct list_head list; 11001048d9aSJiri Pirko struct list_head tmp_list; 11180f7c668SJiri Pirko struct team_option *option; 11285d59a87SJiri Pirko struct team_option_inst_info info; 11380f7c668SJiri Pirko bool changed; 11480f7c668SJiri Pirko bool removed; 11580f7c668SJiri Pirko }; 11680f7c668SJiri Pirko 11780f7c668SJiri Pirko static struct team_option *__team_find_option(struct team *team, 11880f7c668SJiri Pirko const char *opt_name) 119358b8382SJiri Pirko { 120358b8382SJiri Pirko struct team_option *option; 121358b8382SJiri Pirko 122358b8382SJiri Pirko list_for_each_entry(option, &team->option_list, list) { 123358b8382SJiri Pirko if (strcmp(option->name, opt_name) == 0) 124358b8382SJiri Pirko return option; 125358b8382SJiri Pirko } 126358b8382SJiri Pirko return NULL; 127358b8382SJiri Pirko } 128358b8382SJiri Pirko 12980f7c668SJiri Pirko static void __team_option_inst_del(struct team_option_inst *opt_inst) 13080f7c668SJiri Pirko { 13180f7c668SJiri Pirko list_del(&opt_inst->list); 13280f7c668SJiri Pirko kfree(opt_inst); 13380f7c668SJiri Pirko } 13480f7c668SJiri Pirko 13580f7c668SJiri Pirko static void __team_option_inst_del_option(struct team *team, 13680f7c668SJiri Pirko struct team_option *option) 13780f7c668SJiri Pirko { 13880f7c668SJiri Pirko struct team_option_inst *opt_inst, *tmp; 13980f7c668SJiri Pirko 14080f7c668SJiri Pirko list_for_each_entry_safe(opt_inst, tmp, &team->option_inst_list, list) { 14180f7c668SJiri Pirko if (opt_inst->option == option) 14280f7c668SJiri Pirko __team_option_inst_del(opt_inst); 14380f7c668SJiri Pirko } 14480f7c668SJiri Pirko } 14580f7c668SJiri Pirko 146b1303326SJiri Pirko static int __team_option_inst_add(struct team *team, struct team_option *option, 147b1303326SJiri Pirko struct team_port *port) 148b1303326SJiri Pirko { 149b1303326SJiri Pirko struct team_option_inst *opt_inst; 150b1303326SJiri Pirko unsigned int array_size; 151b1303326SJiri Pirko unsigned int i; 152b1303326SJiri Pirko 153b1303326SJiri Pirko array_size = option->array_size; 154b1303326SJiri Pirko if (!array_size) 155b1303326SJiri Pirko array_size = 1; /* No array but still need one instance */ 156b1303326SJiri Pirko 157b1303326SJiri Pirko for (i = 0; i < array_size; i++) { 158b1303326SJiri Pirko opt_inst = kmalloc(sizeof(*opt_inst), GFP_KERNEL); 159b1303326SJiri Pirko if (!opt_inst) 160b1303326SJiri Pirko return -ENOMEM; 161b1303326SJiri Pirko opt_inst->option = option; 16285d59a87SJiri Pirko opt_inst->info.port = port; 16385d59a87SJiri Pirko opt_inst->info.array_index = i; 164b1303326SJiri Pirko opt_inst->changed = true; 165b1303326SJiri Pirko opt_inst->removed = false; 166b1303326SJiri Pirko list_add_tail(&opt_inst->list, &team->option_inst_list); 167*de3ecc4fSZhengchao Shao if (option->init) 168*de3ecc4fSZhengchao Shao option->init(team, &opt_inst->info); 16985d59a87SJiri Pirko 170b1303326SJiri Pirko } 171b1303326SJiri Pirko return 0; 172b1303326SJiri Pirko } 173b1303326SJiri Pirko 17480f7c668SJiri Pirko static int __team_option_inst_add_option(struct team *team, 17580f7c668SJiri Pirko struct team_option *option) 17680f7c668SJiri Pirko { 17780f7c668SJiri Pirko int err; 17880f7c668SJiri Pirko 179b1303326SJiri Pirko if (!option->per_port) { 180f88725ffSJiri Pirko err = __team_option_inst_add(team, option, NULL); 181b1303326SJiri Pirko if (err) 182b1303326SJiri Pirko goto inst_del_option; 183b1303326SJiri Pirko } 18480f7c668SJiri Pirko return 0; 18580f7c668SJiri Pirko 18680f7c668SJiri Pirko inst_del_option: 18780f7c668SJiri Pirko __team_option_inst_del_option(team, option); 18880f7c668SJiri Pirko return err; 18980f7c668SJiri Pirko } 19080f7c668SJiri Pirko 19180f7c668SJiri Pirko static void __team_option_inst_mark_removed_option(struct team *team, 19280f7c668SJiri Pirko struct team_option *option) 19380f7c668SJiri Pirko { 19480f7c668SJiri Pirko struct team_option_inst *opt_inst; 19580f7c668SJiri Pirko 19680f7c668SJiri Pirko list_for_each_entry(opt_inst, &team->option_inst_list, list) { 19780f7c668SJiri Pirko if (opt_inst->option == option) { 19880f7c668SJiri Pirko opt_inst->changed = true; 19980f7c668SJiri Pirko opt_inst->removed = true; 20080f7c668SJiri Pirko } 20180f7c668SJiri Pirko } 20280f7c668SJiri Pirko } 20380f7c668SJiri Pirko 20480f7c668SJiri Pirko static void __team_option_inst_del_port(struct team *team, 20580f7c668SJiri Pirko struct team_port *port) 20680f7c668SJiri Pirko { 20780f7c668SJiri Pirko struct team_option_inst *opt_inst, *tmp; 20880f7c668SJiri Pirko 20980f7c668SJiri Pirko list_for_each_entry_safe(opt_inst, tmp, &team->option_inst_list, list) { 21080f7c668SJiri Pirko if (opt_inst->option->per_port && 21185d59a87SJiri Pirko opt_inst->info.port == port) 21280f7c668SJiri Pirko __team_option_inst_del(opt_inst); 21380f7c668SJiri Pirko } 21480f7c668SJiri Pirko } 21580f7c668SJiri Pirko 21680f7c668SJiri Pirko static int __team_option_inst_add_port(struct team *team, 21780f7c668SJiri Pirko struct team_port *port) 21880f7c668SJiri Pirko { 21980f7c668SJiri Pirko struct team_option *option; 22080f7c668SJiri Pirko int err; 22180f7c668SJiri Pirko 22280f7c668SJiri Pirko list_for_each_entry(option, &team->option_list, list) { 22380f7c668SJiri Pirko if (!option->per_port) 22480f7c668SJiri Pirko continue; 22580f7c668SJiri Pirko err = __team_option_inst_add(team, option, port); 22680f7c668SJiri Pirko if (err) 22780f7c668SJiri Pirko goto inst_del_port; 22880f7c668SJiri Pirko } 22980f7c668SJiri Pirko return 0; 23080f7c668SJiri Pirko 23180f7c668SJiri Pirko inst_del_port: 23280f7c668SJiri Pirko __team_option_inst_del_port(team, port); 23380f7c668SJiri Pirko return err; 23480f7c668SJiri Pirko } 23580f7c668SJiri Pirko 23680f7c668SJiri Pirko static void __team_option_inst_mark_removed_port(struct team *team, 23780f7c668SJiri Pirko struct team_port *port) 23880f7c668SJiri Pirko { 23980f7c668SJiri Pirko struct team_option_inst *opt_inst; 24080f7c668SJiri Pirko 24180f7c668SJiri Pirko list_for_each_entry(opt_inst, &team->option_inst_list, list) { 24285d59a87SJiri Pirko if (opt_inst->info.port == port) { 24380f7c668SJiri Pirko opt_inst->changed = true; 24480f7c668SJiri Pirko opt_inst->removed = true; 24580f7c668SJiri Pirko } 24680f7c668SJiri Pirko } 24780f7c668SJiri Pirko } 24880f7c668SJiri Pirko 24980f7c668SJiri Pirko static int __team_options_register(struct team *team, 250358b8382SJiri Pirko const struct team_option *option, 2513d249d4cSJiri Pirko size_t option_count) 2523d249d4cSJiri Pirko { 2533d249d4cSJiri Pirko int i; 2542bba19ffSJiri Pirko struct team_option **dst_opts; 255358b8382SJiri Pirko int err; 2563d249d4cSJiri Pirko 2576396bb22SKees Cook dst_opts = kcalloc(option_count, sizeof(struct team_option *), 2582bba19ffSJiri Pirko GFP_KERNEL); 2592bba19ffSJiri Pirko if (!dst_opts) 2602bba19ffSJiri Pirko return -ENOMEM; 261358b8382SJiri Pirko for (i = 0; i < option_count; i++, option++) { 262358b8382SJiri Pirko if (__team_find_option(team, option->name)) { 263358b8382SJiri Pirko err = -EEXIST; 26480f7c668SJiri Pirko goto alloc_rollback; 2653d249d4cSJiri Pirko } 266f8a15af0SJiri Pirko dst_opts[i] = kmemdup(option, sizeof(*option), GFP_KERNEL); 267f8a15af0SJiri Pirko if (!dst_opts[i]) { 268358b8382SJiri Pirko err = -ENOMEM; 26980f7c668SJiri Pirko goto alloc_rollback; 270358b8382SJiri Pirko } 271358b8382SJiri Pirko } 272358b8382SJiri Pirko 273b82b9183SJiri Pirko for (i = 0; i < option_count; i++) { 27480f7c668SJiri Pirko err = __team_option_inst_add_option(team, dst_opts[i]); 27580f7c668SJiri Pirko if (err) 27680f7c668SJiri Pirko goto inst_rollback; 277358b8382SJiri Pirko list_add_tail(&dst_opts[i]->list, &team->option_list); 278b82b9183SJiri Pirko } 279358b8382SJiri Pirko 2802bba19ffSJiri Pirko kfree(dst_opts); 281358b8382SJiri Pirko return 0; 282358b8382SJiri Pirko 28380f7c668SJiri Pirko inst_rollback: 28480f7c668SJiri Pirko for (i--; i >= 0; i--) 28580f7c668SJiri Pirko __team_option_inst_del_option(team, dst_opts[i]); 28680f7c668SJiri Pirko 2879a9e7749SAnant Thazhemadam i = option_count; 28880f7c668SJiri Pirko alloc_rollback: 28980f7c668SJiri Pirko for (i--; i >= 0; i--) 290358b8382SJiri Pirko kfree(dst_opts[i]); 291358b8382SJiri Pirko 2922bba19ffSJiri Pirko kfree(dst_opts); 293358b8382SJiri Pirko return err; 294358b8382SJiri Pirko } 295358b8382SJiri Pirko 296b82b9183SJiri Pirko static void __team_options_mark_removed(struct team *team, 297b82b9183SJiri Pirko const struct team_option *option, 298b82b9183SJiri Pirko size_t option_count) 299b82b9183SJiri Pirko { 300b82b9183SJiri Pirko int i; 3013d249d4cSJiri Pirko 302b82b9183SJiri Pirko for (i = 0; i < option_count; i++, option++) { 303b82b9183SJiri Pirko struct team_option *del_opt; 304b82b9183SJiri Pirko 305b82b9183SJiri Pirko del_opt = __team_find_option(team, option->name); 30680f7c668SJiri Pirko if (del_opt) 30780f7c668SJiri Pirko __team_option_inst_mark_removed_option(team, del_opt); 308b82b9183SJiri Pirko } 309b82b9183SJiri Pirko } 3103d249d4cSJiri Pirko 3113d249d4cSJiri Pirko static void __team_options_unregister(struct team *team, 312358b8382SJiri Pirko const struct team_option *option, 3133d249d4cSJiri Pirko size_t option_count) 3143d249d4cSJiri Pirko { 3153d249d4cSJiri Pirko int i; 3163d249d4cSJiri Pirko 317358b8382SJiri Pirko for (i = 0; i < option_count; i++, option++) { 318358b8382SJiri Pirko struct team_option *del_opt; 319358b8382SJiri Pirko 320358b8382SJiri Pirko del_opt = __team_find_option(team, option->name); 321358b8382SJiri Pirko if (del_opt) { 32280f7c668SJiri Pirko __team_option_inst_del_option(team, del_opt); 323358b8382SJiri Pirko list_del(&del_opt->list); 324358b8382SJiri Pirko kfree(del_opt); 325358b8382SJiri Pirko } 326358b8382SJiri Pirko } 3273d249d4cSJiri Pirko } 3283d249d4cSJiri Pirko 329b82b9183SJiri Pirko static void __team_options_change_check(struct team *team); 330b82b9183SJiri Pirko 331b82b9183SJiri Pirko int team_options_register(struct team *team, 332b82b9183SJiri Pirko const struct team_option *option, 333b82b9183SJiri Pirko size_t option_count) 334b82b9183SJiri Pirko { 335b82b9183SJiri Pirko int err; 336b82b9183SJiri Pirko 337b82b9183SJiri Pirko err = __team_options_register(team, option, option_count); 338b82b9183SJiri Pirko if (err) 339b82b9183SJiri Pirko return err; 340b82b9183SJiri Pirko __team_options_change_check(team); 341b82b9183SJiri Pirko return 0; 342b82b9183SJiri Pirko } 343b82b9183SJiri Pirko EXPORT_SYMBOL(team_options_register); 344b82b9183SJiri Pirko 345358b8382SJiri Pirko void team_options_unregister(struct team *team, 346358b8382SJiri Pirko const struct team_option *option, 3473d249d4cSJiri Pirko size_t option_count) 3483d249d4cSJiri Pirko { 349b82b9183SJiri Pirko __team_options_mark_removed(team, option, option_count); 350b82b9183SJiri Pirko __team_options_change_check(team); 3513d249d4cSJiri Pirko __team_options_unregister(team, option, option_count); 3523d249d4cSJiri Pirko } 3533d249d4cSJiri Pirko EXPORT_SYMBOL(team_options_unregister); 3543d249d4cSJiri Pirko 35580f7c668SJiri Pirko static int team_option_get(struct team *team, 35680f7c668SJiri Pirko struct team_option_inst *opt_inst, 35780f7c668SJiri Pirko struct team_gsetter_ctx *ctx) 35880f7c668SJiri Pirko { 359f82b959dSJiri Pirko if (!opt_inst->option->getter) 360f82b959dSJiri Pirko return -EOPNOTSUPP; 36180f7c668SJiri Pirko return opt_inst->option->getter(team, ctx); 36280f7c668SJiri Pirko } 36380f7c668SJiri Pirko 36480f7c668SJiri Pirko static int team_option_set(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->setter) 369f82b959dSJiri Pirko return -EOPNOTSUPP; 3702fcdb2c9SJiri Pirko return opt_inst->option->setter(team, ctx); 3713d249d4cSJiri Pirko } 3723d249d4cSJiri Pirko 3730f1aad2bSJiri Pirko void team_option_inst_set_change(struct team_option_inst_info *opt_inst_info) 3740f1aad2bSJiri Pirko { 3750f1aad2bSJiri Pirko struct team_option_inst *opt_inst; 3760f1aad2bSJiri Pirko 3770f1aad2bSJiri Pirko opt_inst = container_of(opt_inst_info, struct team_option_inst, info); 3780f1aad2bSJiri Pirko opt_inst->changed = true; 3790f1aad2bSJiri Pirko } 3800f1aad2bSJiri Pirko EXPORT_SYMBOL(team_option_inst_set_change); 3810f1aad2bSJiri Pirko 3820f1aad2bSJiri Pirko void team_options_change_check(struct team *team) 3830f1aad2bSJiri Pirko { 3840f1aad2bSJiri Pirko __team_options_change_check(team); 3850f1aad2bSJiri Pirko } 3860f1aad2bSJiri Pirko EXPORT_SYMBOL(team_options_change_check); 3870f1aad2bSJiri Pirko 3880f1aad2bSJiri Pirko 3893d249d4cSJiri Pirko /**************** 3903d249d4cSJiri Pirko * Mode handling 3913d249d4cSJiri Pirko ****************/ 3923d249d4cSJiri Pirko 3933d249d4cSJiri Pirko static LIST_HEAD(mode_list); 3943d249d4cSJiri Pirko static DEFINE_SPINLOCK(mode_list_lock); 3953d249d4cSJiri Pirko 3960402788aSJiri Pirko struct team_mode_item { 3970402788aSJiri Pirko struct list_head list; 3980402788aSJiri Pirko const struct team_mode *mode; 3990402788aSJiri Pirko }; 4003d249d4cSJiri Pirko 4010402788aSJiri Pirko static struct team_mode_item *__find_mode(const char *kind) 4020402788aSJiri Pirko { 4030402788aSJiri Pirko struct team_mode_item *mitem; 4040402788aSJiri Pirko 4050402788aSJiri Pirko list_for_each_entry(mitem, &mode_list, list) { 4060402788aSJiri Pirko if (strcmp(mitem->mode->kind, kind) == 0) 4070402788aSJiri Pirko return mitem; 4083d249d4cSJiri Pirko } 4093d249d4cSJiri Pirko return NULL; 4103d249d4cSJiri Pirko } 4113d249d4cSJiri Pirko 4123d249d4cSJiri Pirko static bool is_good_mode_name(const char *name) 4133d249d4cSJiri Pirko { 4143d249d4cSJiri Pirko while (*name != '\0') { 4153d249d4cSJiri Pirko if (!isalpha(*name) && !isdigit(*name) && *name != '_') 4163d249d4cSJiri Pirko return false; 4173d249d4cSJiri Pirko name++; 4183d249d4cSJiri Pirko } 4193d249d4cSJiri Pirko return true; 4203d249d4cSJiri Pirko } 4213d249d4cSJiri Pirko 4220402788aSJiri Pirko int team_mode_register(const struct team_mode *mode) 4233d249d4cSJiri Pirko { 4243d249d4cSJiri Pirko int err = 0; 4250402788aSJiri Pirko struct team_mode_item *mitem; 4263d249d4cSJiri Pirko 4273d249d4cSJiri Pirko if (!is_good_mode_name(mode->kind) || 4283d249d4cSJiri Pirko mode->priv_size > TEAM_MODE_PRIV_SIZE) 4293d249d4cSJiri Pirko return -EINVAL; 4300402788aSJiri Pirko 4310402788aSJiri Pirko mitem = kmalloc(sizeof(*mitem), GFP_KERNEL); 4320402788aSJiri Pirko if (!mitem) 4330402788aSJiri Pirko return -ENOMEM; 4340402788aSJiri Pirko 4353d249d4cSJiri Pirko spin_lock(&mode_list_lock); 4363d249d4cSJiri Pirko if (__find_mode(mode->kind)) { 4373d249d4cSJiri Pirko err = -EEXIST; 4380402788aSJiri Pirko kfree(mitem); 4393d249d4cSJiri Pirko goto unlock; 4403d249d4cSJiri Pirko } 4410402788aSJiri Pirko mitem->mode = mode; 4420402788aSJiri Pirko list_add_tail(&mitem->list, &mode_list); 4433d249d4cSJiri Pirko unlock: 4443d249d4cSJiri Pirko spin_unlock(&mode_list_lock); 4453d249d4cSJiri Pirko return err; 4463d249d4cSJiri Pirko } 4473d249d4cSJiri Pirko EXPORT_SYMBOL(team_mode_register); 4483d249d4cSJiri Pirko 4490402788aSJiri Pirko void team_mode_unregister(const struct team_mode *mode) 4503d249d4cSJiri Pirko { 4510402788aSJiri Pirko struct team_mode_item *mitem; 4520402788aSJiri Pirko 4533d249d4cSJiri Pirko spin_lock(&mode_list_lock); 4540402788aSJiri Pirko mitem = __find_mode(mode->kind); 4550402788aSJiri Pirko if (mitem) { 4560402788aSJiri Pirko list_del_init(&mitem->list); 4570402788aSJiri Pirko kfree(mitem); 4580402788aSJiri Pirko } 4593d249d4cSJiri Pirko spin_unlock(&mode_list_lock); 4603d249d4cSJiri Pirko } 4613d249d4cSJiri Pirko EXPORT_SYMBOL(team_mode_unregister); 4623d249d4cSJiri Pirko 4630402788aSJiri Pirko static const struct team_mode *team_mode_get(const char *kind) 4643d249d4cSJiri Pirko { 4650402788aSJiri Pirko struct team_mode_item *mitem; 4660402788aSJiri Pirko const struct team_mode *mode = NULL; 4673d249d4cSJiri Pirko 4681c30fbc7STaehee Yoo if (!try_module_get(THIS_MODULE)) 4691c30fbc7STaehee Yoo return NULL; 4701c30fbc7STaehee Yoo 4713d249d4cSJiri Pirko spin_lock(&mode_list_lock); 4720402788aSJiri Pirko mitem = __find_mode(kind); 4730402788aSJiri Pirko if (!mitem) { 4743d249d4cSJiri Pirko spin_unlock(&mode_list_lock); 4753d249d4cSJiri Pirko request_module("team-mode-%s", kind); 4763d249d4cSJiri Pirko spin_lock(&mode_list_lock); 4770402788aSJiri Pirko mitem = __find_mode(kind); 4783d249d4cSJiri Pirko } 4790402788aSJiri Pirko if (mitem) { 4800402788aSJiri Pirko mode = mitem->mode; 4813d249d4cSJiri Pirko if (!try_module_get(mode->owner)) 4823d249d4cSJiri Pirko mode = NULL; 4830402788aSJiri Pirko } 4843d249d4cSJiri Pirko 4853d249d4cSJiri Pirko spin_unlock(&mode_list_lock); 4861c30fbc7STaehee Yoo module_put(THIS_MODULE); 4873d249d4cSJiri Pirko return mode; 4883d249d4cSJiri Pirko } 4893d249d4cSJiri Pirko 4903d249d4cSJiri Pirko static void team_mode_put(const struct team_mode *mode) 4913d249d4cSJiri Pirko { 4923d249d4cSJiri Pirko module_put(mode->owner); 4933d249d4cSJiri Pirko } 4943d249d4cSJiri Pirko 4953d249d4cSJiri Pirko static bool team_dummy_transmit(struct team *team, struct sk_buff *skb) 4963d249d4cSJiri Pirko { 4973d249d4cSJiri Pirko dev_kfree_skb_any(skb); 4983d249d4cSJiri Pirko return false; 4993d249d4cSJiri Pirko } 5003d249d4cSJiri Pirko 5012ea46599Sstephen hemminger static rx_handler_result_t team_dummy_receive(struct team *team, 5023d249d4cSJiri Pirko struct team_port *port, 5033d249d4cSJiri Pirko struct sk_buff *skb) 5043d249d4cSJiri Pirko { 5053d249d4cSJiri Pirko return RX_HANDLER_ANOTHER; 5063d249d4cSJiri Pirko } 5073d249d4cSJiri Pirko 508d299cd51SJiri Pirko static const struct team_mode __team_no_mode = { 509d299cd51SJiri Pirko .kind = "*NOMODE*", 510d299cd51SJiri Pirko }; 511d299cd51SJiri Pirko 512d299cd51SJiri Pirko static bool team_is_mode_set(struct team *team) 513d299cd51SJiri Pirko { 514d299cd51SJiri Pirko return team->mode != &__team_no_mode; 515d299cd51SJiri Pirko } 516d299cd51SJiri Pirko 517d299cd51SJiri Pirko static void team_set_no_mode(struct team *team) 518d299cd51SJiri Pirko { 519e185483eSFlavio Leitner team->user_carrier_enabled = false; 520d299cd51SJiri Pirko team->mode = &__team_no_mode; 521d299cd51SJiri Pirko } 522d299cd51SJiri Pirko 523735d381fSJiri Pirko static void team_adjust_ops(struct team *team) 5243d249d4cSJiri Pirko { 5253d249d4cSJiri Pirko /* 5263d249d4cSJiri Pirko * To avoid checks in rx/tx skb paths, ensure here that non-null and 5273d249d4cSJiri Pirko * correct ops are always set. 5283d249d4cSJiri Pirko */ 5293d249d4cSJiri Pirko 530735d381fSJiri Pirko if (!team->en_port_count || !team_is_mode_set(team) || 531122bb046SJiri Pirko !team->mode->ops->transmit) 5323d249d4cSJiri Pirko team->ops.transmit = team_dummy_transmit; 5333d249d4cSJiri Pirko else 5343d249d4cSJiri Pirko team->ops.transmit = team->mode->ops->transmit; 5353d249d4cSJiri Pirko 536735d381fSJiri Pirko if (!team->en_port_count || !team_is_mode_set(team) || 537122bb046SJiri Pirko !team->mode->ops->receive) 5383d249d4cSJiri Pirko team->ops.receive = team_dummy_receive; 5393d249d4cSJiri Pirko else 5403d249d4cSJiri Pirko team->ops.receive = team->mode->ops->receive; 5413d249d4cSJiri Pirko } 5423d249d4cSJiri Pirko 5433d249d4cSJiri Pirko /* 5443d249d4cSJiri Pirko * We can benefit from the fact that it's ensured no port is present 5453d249d4cSJiri Pirko * at the time of mode change. Therefore no packets are in fly so there's no 5463d249d4cSJiri Pirko * need to set mode operations in any special way. 5473d249d4cSJiri Pirko */ 5483d249d4cSJiri Pirko static int __team_change_mode(struct team *team, 5493d249d4cSJiri Pirko const struct team_mode *new_mode) 5503d249d4cSJiri Pirko { 5513d249d4cSJiri Pirko /* Check if mode was previously set and do cleanup if so */ 552d299cd51SJiri Pirko if (team_is_mode_set(team)) { 5533d249d4cSJiri Pirko void (*exit_op)(struct team *team) = team->ops.exit; 5543d249d4cSJiri Pirko 5553d249d4cSJiri Pirko /* Clear ops area so no callback is called any longer */ 5563d249d4cSJiri Pirko memset(&team->ops, 0, sizeof(struct team_mode_ops)); 5573d249d4cSJiri Pirko team_adjust_ops(team); 5583d249d4cSJiri Pirko 5593d249d4cSJiri Pirko if (exit_op) 5603d249d4cSJiri Pirko exit_op(team); 5613d249d4cSJiri Pirko team_mode_put(team->mode); 562d299cd51SJiri Pirko team_set_no_mode(team); 5633d249d4cSJiri Pirko /* zero private data area */ 5643d249d4cSJiri Pirko memset(&team->mode_priv, 0, 5653d249d4cSJiri Pirko sizeof(struct team) - offsetof(struct team, mode_priv)); 5663d249d4cSJiri Pirko } 5673d249d4cSJiri Pirko 5683d249d4cSJiri Pirko if (!new_mode) 5693d249d4cSJiri Pirko return 0; 5703d249d4cSJiri Pirko 5713d249d4cSJiri Pirko if (new_mode->ops->init) { 5723d249d4cSJiri Pirko int err; 5733d249d4cSJiri Pirko 5743d249d4cSJiri Pirko err = new_mode->ops->init(team); 5753d249d4cSJiri Pirko if (err) 5763d249d4cSJiri Pirko return err; 5773d249d4cSJiri Pirko } 5783d249d4cSJiri Pirko 5793d249d4cSJiri Pirko team->mode = new_mode; 5803d249d4cSJiri Pirko memcpy(&team->ops, new_mode->ops, sizeof(struct team_mode_ops)); 5813d249d4cSJiri Pirko team_adjust_ops(team); 5823d249d4cSJiri Pirko 5833d249d4cSJiri Pirko return 0; 5843d249d4cSJiri Pirko } 5853d249d4cSJiri Pirko 5863d249d4cSJiri Pirko static int team_change_mode(struct team *team, const char *kind) 5873d249d4cSJiri Pirko { 5880402788aSJiri Pirko const struct team_mode *new_mode; 5893d249d4cSJiri Pirko struct net_device *dev = team->dev; 5903d249d4cSJiri Pirko int err; 5913d249d4cSJiri Pirko 5923d249d4cSJiri Pirko if (!list_empty(&team->port_list)) { 5933d249d4cSJiri Pirko netdev_err(dev, "No ports can be present during mode change\n"); 5943d249d4cSJiri Pirko return -EBUSY; 5953d249d4cSJiri Pirko } 5963d249d4cSJiri Pirko 597d299cd51SJiri Pirko if (team_is_mode_set(team) && strcmp(team->mode->kind, kind) == 0) { 5983d249d4cSJiri Pirko netdev_err(dev, "Unable to change to the same mode the team is in\n"); 5993d249d4cSJiri Pirko return -EINVAL; 6003d249d4cSJiri Pirko } 6013d249d4cSJiri Pirko 6023d249d4cSJiri Pirko new_mode = team_mode_get(kind); 6033d249d4cSJiri Pirko if (!new_mode) { 6043d249d4cSJiri Pirko netdev_err(dev, "Mode \"%s\" not found\n", kind); 6053d249d4cSJiri Pirko return -EINVAL; 6063d249d4cSJiri Pirko } 6073d249d4cSJiri Pirko 6083d249d4cSJiri Pirko err = __team_change_mode(team, new_mode); 6093d249d4cSJiri Pirko if (err) { 6103d249d4cSJiri Pirko netdev_err(dev, "Failed to change to mode \"%s\"\n", kind); 6113d249d4cSJiri Pirko team_mode_put(new_mode); 6123d249d4cSJiri Pirko return err; 6133d249d4cSJiri Pirko } 6143d249d4cSJiri Pirko 6153d249d4cSJiri Pirko netdev_info(dev, "Mode changed to \"%s\"\n", kind); 6163d249d4cSJiri Pirko return 0; 6173d249d4cSJiri Pirko } 6183d249d4cSJiri Pirko 6193d249d4cSJiri Pirko 620fc423ff0SJiri Pirko /********************* 621fc423ff0SJiri Pirko * Peers notification 622fc423ff0SJiri Pirko *********************/ 623fc423ff0SJiri Pirko 624fc423ff0SJiri Pirko static void team_notify_peers_work(struct work_struct *work) 625fc423ff0SJiri Pirko { 626fc423ff0SJiri Pirko struct team *team; 627b0d11b42SJiri Pirko int val; 628fc423ff0SJiri Pirko 629fc423ff0SJiri Pirko team = container_of(work, struct team, notify_peers.dw.work); 630fc423ff0SJiri Pirko 631fc423ff0SJiri Pirko if (!rtnl_trylock()) { 632fc423ff0SJiri Pirko schedule_delayed_work(&team->notify_peers.dw, 0); 633fc423ff0SJiri Pirko return; 634fc423ff0SJiri Pirko } 635b0d11b42SJiri Pirko val = atomic_dec_if_positive(&team->notify_peers.count_pending); 636b0d11b42SJiri Pirko if (val < 0) { 637b0d11b42SJiri Pirko rtnl_unlock(); 638b0d11b42SJiri Pirko return; 639b0d11b42SJiri Pirko } 640fc423ff0SJiri Pirko call_netdevice_notifiers(NETDEV_NOTIFY_PEERS, team->dev); 641fc423ff0SJiri Pirko rtnl_unlock(); 642b0d11b42SJiri Pirko if (val) 643fc423ff0SJiri Pirko schedule_delayed_work(&team->notify_peers.dw, 644fc423ff0SJiri Pirko msecs_to_jiffies(team->notify_peers.interval)); 645fc423ff0SJiri Pirko } 646fc423ff0SJiri Pirko 647fc423ff0SJiri Pirko static void team_notify_peers(struct team *team) 648fc423ff0SJiri Pirko { 649fc423ff0SJiri Pirko if (!team->notify_peers.count || !netif_running(team->dev)) 650fc423ff0SJiri Pirko return; 65147549650SJoe Lawrence atomic_add(team->notify_peers.count, &team->notify_peers.count_pending); 652fc423ff0SJiri Pirko schedule_delayed_work(&team->notify_peers.dw, 0); 653fc423ff0SJiri Pirko } 654fc423ff0SJiri Pirko 655fc423ff0SJiri Pirko static void team_notify_peers_init(struct team *team) 656fc423ff0SJiri Pirko { 657fc423ff0SJiri Pirko INIT_DELAYED_WORK(&team->notify_peers.dw, team_notify_peers_work); 658fc423ff0SJiri Pirko } 659fc423ff0SJiri Pirko 660fc423ff0SJiri Pirko static void team_notify_peers_fini(struct team *team) 661fc423ff0SJiri Pirko { 662fc423ff0SJiri Pirko cancel_delayed_work_sync(&team->notify_peers.dw); 663fc423ff0SJiri Pirko } 664fc423ff0SJiri Pirko 665fc423ff0SJiri Pirko 666492b200eSJiri Pirko /******************************* 667492b200eSJiri Pirko * Send multicast group rejoins 668492b200eSJiri Pirko *******************************/ 669492b200eSJiri Pirko 670492b200eSJiri Pirko static void team_mcast_rejoin_work(struct work_struct *work) 671492b200eSJiri Pirko { 672492b200eSJiri Pirko struct team *team; 673b0d11b42SJiri Pirko int val; 674492b200eSJiri Pirko 675492b200eSJiri Pirko team = container_of(work, struct team, mcast_rejoin.dw.work); 676492b200eSJiri Pirko 677492b200eSJiri Pirko if (!rtnl_trylock()) { 678492b200eSJiri Pirko schedule_delayed_work(&team->mcast_rejoin.dw, 0); 679492b200eSJiri Pirko return; 680492b200eSJiri Pirko } 681b0d11b42SJiri Pirko val = atomic_dec_if_positive(&team->mcast_rejoin.count_pending); 682b0d11b42SJiri Pirko if (val < 0) { 683b0d11b42SJiri Pirko rtnl_unlock(); 684b0d11b42SJiri Pirko return; 685b0d11b42SJiri Pirko } 686492b200eSJiri Pirko call_netdevice_notifiers(NETDEV_RESEND_IGMP, team->dev); 687492b200eSJiri Pirko rtnl_unlock(); 688b0d11b42SJiri Pirko if (val) 689492b200eSJiri Pirko schedule_delayed_work(&team->mcast_rejoin.dw, 690492b200eSJiri Pirko msecs_to_jiffies(team->mcast_rejoin.interval)); 691492b200eSJiri Pirko } 692492b200eSJiri Pirko 693492b200eSJiri Pirko static void team_mcast_rejoin(struct team *team) 694492b200eSJiri Pirko { 695492b200eSJiri Pirko if (!team->mcast_rejoin.count || !netif_running(team->dev)) 696492b200eSJiri Pirko return; 69747549650SJoe Lawrence atomic_add(team->mcast_rejoin.count, &team->mcast_rejoin.count_pending); 698492b200eSJiri Pirko schedule_delayed_work(&team->mcast_rejoin.dw, 0); 699492b200eSJiri Pirko } 700492b200eSJiri Pirko 701492b200eSJiri Pirko static void team_mcast_rejoin_init(struct team *team) 702492b200eSJiri Pirko { 703492b200eSJiri Pirko INIT_DELAYED_WORK(&team->mcast_rejoin.dw, team_mcast_rejoin_work); 704492b200eSJiri Pirko } 705492b200eSJiri Pirko 706492b200eSJiri Pirko static void team_mcast_rejoin_fini(struct team *team) 707492b200eSJiri Pirko { 708492b200eSJiri Pirko cancel_delayed_work_sync(&team->mcast_rejoin.dw); 709492b200eSJiri Pirko } 710492b200eSJiri Pirko 711492b200eSJiri Pirko 7123d249d4cSJiri Pirko /************************ 7133d249d4cSJiri Pirko * Rx path frame handler 7143d249d4cSJiri Pirko ************************/ 7153d249d4cSJiri Pirko 7163d249d4cSJiri Pirko /* note: already called with rcu_read_lock */ 7173d249d4cSJiri Pirko static rx_handler_result_t team_handle_frame(struct sk_buff **pskb) 7183d249d4cSJiri Pirko { 7193d249d4cSJiri Pirko struct sk_buff *skb = *pskb; 7203d249d4cSJiri Pirko struct team_port *port; 7213d249d4cSJiri Pirko struct team *team; 7223d249d4cSJiri Pirko rx_handler_result_t res; 7233d249d4cSJiri Pirko 7243d249d4cSJiri Pirko skb = skb_share_check(skb, GFP_ATOMIC); 7253d249d4cSJiri Pirko if (!skb) 7263d249d4cSJiri Pirko return RX_HANDLER_CONSUMED; 7273d249d4cSJiri Pirko 7283d249d4cSJiri Pirko *pskb = skb; 7293d249d4cSJiri Pirko 7303d249d4cSJiri Pirko port = team_port_get_rcu(skb->dev); 7313d249d4cSJiri Pirko team = port->team; 73219a0b58eSJiri Pirko if (!team_port_enabled(port)) { 733aaae162aSjeffreyji if (is_link_local_ether_addr(eth_hdr(skb)->h_dest)) 734aaae162aSjeffreyji /* link-local packets are mostly useful when stack receives them 735aaae162aSjeffreyji * with the link they arrive on. 736aaae162aSjeffreyji */ 737aaae162aSjeffreyji return RX_HANDLER_PASS; 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); 7489ec321abSEric Dumazet u64_stats_inc(&pcpu_stats->rx_packets); 7499ec321abSEric Dumazet u64_stats_add(&pcpu_stats->rx_bytes, skb->len); 7503d249d4cSJiri Pirko if (skb->pkt_type == PACKET_MULTICAST) 7519ec321abSEric Dumazet u64_stats_inc(&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 | \ 980ecb8fed4SAlexander Lobakin NETIF_F_FRAGLIST | NETIF_F_GSO_SOFTWARE | \ 9813d249d4cSJiri Pirko NETIF_F_HIGHDMA | NETIF_F_LRO) 9823d249d4cSJiri Pirko 9833268e5cbSEran Ben Elisha #define TEAM_ENC_FEATURES (NETIF_F_HW_CSUM | NETIF_F_SG | \ 984ecb8fed4SAlexander Lobakin NETIF_F_RXCSUM | NETIF_F_GSO_SOFTWARE) 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 996f0947d0dSIvan Vecera rcu_read_lock(); 997f0947d0dSIvan Vecera list_for_each_entry_rcu(port, &team->port_list, list) { 9983d249d4cSJiri Pirko vlan_features = netdev_increment_features(vlan_features, 9993d249d4cSJiri Pirko port->dev->vlan_features, 10003d249d4cSJiri Pirko TEAM_VLAN_FEATURES); 10013268e5cbSEran Ben Elisha enc_features = 10023268e5cbSEran Ben Elisha netdev_increment_features(enc_features, 10033268e5cbSEran Ben Elisha port->dev->hw_enc_features, 10043268e5cbSEran Ben Elisha TEAM_ENC_FEATURES); 10053268e5cbSEran Ben Elisha 10063d249d4cSJiri Pirko 1007dc905951SJiri Pirko dst_release_flag &= port->dev->priv_flags; 10083d249d4cSJiri Pirko if (port->dev->hard_header_len > max_hard_header_len) 10093d249d4cSJiri Pirko max_hard_header_len = port->dev->hard_header_len; 10103d249d4cSJiri Pirko } 1011f0947d0dSIvan Vecera rcu_read_unlock(); 10123d249d4cSJiri Pirko 10133d249d4cSJiri Pirko team->dev->vlan_features = vlan_features; 10148eea1ca8SWillem de Bruijn team->dev->hw_enc_features = enc_features | NETIF_F_GSO_ENCAP_ALL | 1015227f2f03SYueHaibing NETIF_F_HW_VLAN_CTAG_TX | 1016ecb8fed4SAlexander Lobakin NETIF_F_HW_VLAN_STAG_TX; 10173d249d4cSJiri Pirko team->dev->hard_header_len = max_hard_header_len; 10183d249d4cSJiri Pirko 101902875878SEric Dumazet team->dev->priv_flags &= ~IFF_XMIT_DST_RELEASE; 102002875878SEric Dumazet if (dst_release_flag == (IFF_XMIT_DST_RELEASE | IFF_XMIT_DST_RELEASE_PERM)) 102102875878SEric Dumazet team->dev->priv_flags |= IFF_XMIT_DST_RELEASE; 1022f6988cb6SIvan Vecera } 1023dc905951SJiri Pirko 10243d249d4cSJiri Pirko static void team_compute_features(struct team *team) 10253d249d4cSJiri Pirko { 102616cf72bbSXin Long __team_compute_features(team); 1027f6988cb6SIvan Vecera netdev_change_features(team->dev); 10283d249d4cSJiri Pirko } 10293d249d4cSJiri Pirko 10303d249d4cSJiri Pirko static int team_port_enter(struct team *team, struct team_port *port) 10313d249d4cSJiri Pirko { 10323d249d4cSJiri Pirko int err = 0; 10333d249d4cSJiri Pirko 10343d249d4cSJiri Pirko dev_hold(team->dev); 10353d249d4cSJiri Pirko if (team->ops.port_enter) { 10363d249d4cSJiri Pirko err = team->ops.port_enter(team, port); 10373d249d4cSJiri Pirko if (err) { 10383d249d4cSJiri Pirko netdev_err(team->dev, "Device %s failed to enter team mode\n", 10393d249d4cSJiri Pirko port->dev->name); 10403d249d4cSJiri Pirko goto err_port_enter; 10413d249d4cSJiri Pirko } 10423d249d4cSJiri Pirko } 10433d249d4cSJiri Pirko 10443d249d4cSJiri Pirko return 0; 10453d249d4cSJiri Pirko 10463d249d4cSJiri Pirko err_port_enter: 10473d249d4cSJiri Pirko dev_put(team->dev); 10483d249d4cSJiri Pirko 10493d249d4cSJiri Pirko return err; 10503d249d4cSJiri Pirko } 10513d249d4cSJiri Pirko 10523d249d4cSJiri Pirko static void team_port_leave(struct team *team, struct team_port *port) 10533d249d4cSJiri Pirko { 10543d249d4cSJiri Pirko if (team->ops.port_leave) 10553d249d4cSJiri Pirko team->ops.port_leave(team, port); 10563d249d4cSJiri Pirko dev_put(team->dev); 10573d249d4cSJiri Pirko } 10583d249d4cSJiri Pirko 1059bd2d0837SJiri Pirko #ifdef CONFIG_NET_POLL_CONTROLLER 10609cf2f437SXin Long static int __team_port_enable_netpoll(struct team_port *port) 1061bd2d0837SJiri Pirko { 1062bd2d0837SJiri Pirko struct netpoll *np; 1063bd2d0837SJiri Pirko int err; 1064bd2d0837SJiri Pirko 1065a8779ec1SEric W. Biederman np = kzalloc(sizeof(*np), GFP_KERNEL); 1066bd2d0837SJiri Pirko if (!np) 1067bd2d0837SJiri Pirko return -ENOMEM; 1068bd2d0837SJiri Pirko 1069a8779ec1SEric W. Biederman err = __netpoll_setup(np, port->dev); 1070bd2d0837SJiri Pirko if (err) { 1071bd2d0837SJiri Pirko kfree(np); 1072bd2d0837SJiri Pirko return err; 1073bd2d0837SJiri Pirko } 1074bd2d0837SJiri Pirko port->np = np; 1075bd2d0837SJiri Pirko return err; 1076bd2d0837SJiri Pirko } 1077bd2d0837SJiri Pirko 10789cf2f437SXin Long static int team_port_enable_netpoll(struct team_port *port) 10799cf2f437SXin Long { 10809cf2f437SXin Long if (!port->team->dev->npinfo) 10819cf2f437SXin Long return 0; 10829cf2f437SXin Long 10839cf2f437SXin Long return __team_port_enable_netpoll(port); 10849cf2f437SXin Long } 10859cf2f437SXin Long 1086bd2d0837SJiri Pirko static void team_port_disable_netpoll(struct team_port *port) 1087bd2d0837SJiri Pirko { 1088bd2d0837SJiri Pirko struct netpoll *np = port->np; 1089bd2d0837SJiri Pirko 1090bd2d0837SJiri Pirko if (!np) 1091bd2d0837SJiri Pirko return; 1092bd2d0837SJiri Pirko port->np = NULL; 1093bd2d0837SJiri Pirko 1094c9fbd71fSDebabrata Banerjee __netpoll_free(np); 1095bd2d0837SJiri Pirko } 1096bd2d0837SJiri Pirko #else 10979cf2f437SXin Long static int team_port_enable_netpoll(struct team_port *port) 1098bd2d0837SJiri Pirko { 1099bd2d0837SJiri Pirko return 0; 1100bd2d0837SJiri Pirko } 1101bd2d0837SJiri Pirko static void team_port_disable_netpoll(struct team_port *port) 1102bd2d0837SJiri Pirko { 1103bd2d0837SJiri Pirko } 1104bd2d0837SJiri Pirko #endif 1105bd2d0837SJiri Pirko 110644d15d93SIdo Schimmel static int team_upper_dev_link(struct team *team, struct team_port *port, 110744d15d93SIdo Schimmel struct netlink_ext_ack *extack) 1108d7d3c051SJiri Pirko { 11098fd72856SJiri Pirko struct netdev_lag_upper_info lag_upper_info; 1110d7d3c051SJiri Pirko int err; 1111d7d3c051SJiri Pirko 11128fd72856SJiri Pirko lag_upper_info.tx_type = team->mode->lag_tx_type; 1113f44aa9efSJohn Hurley lag_upper_info.hash_type = NETDEV_LAG_HASH_UNKNOWN; 11148fd72856SJiri Pirko err = netdev_master_upper_dev_link(port->dev, team->dev, NULL, 111544d15d93SIdo Schimmel &lag_upper_info, extack); 1116d7d3c051SJiri Pirko if (err) 1117d7d3c051SJiri Pirko return err; 11188fd72856SJiri Pirko port->dev->priv_flags |= IFF_TEAM_PORT; 1119d7d3c051SJiri Pirko return 0; 1120d7d3c051SJiri Pirko } 1121d7d3c051SJiri Pirko 11228fd72856SJiri Pirko static void team_upper_dev_unlink(struct team *team, struct team_port *port) 1123d7d3c051SJiri Pirko { 11248fd72856SJiri Pirko netdev_upper_dev_unlink(port->dev, team->dev); 11258fd72856SJiri Pirko port->dev->priv_flags &= ~IFF_TEAM_PORT; 1126d7d3c051SJiri Pirko } 1127d7d3c051SJiri Pirko 112810f3f51dSJiri Pirko static void __team_port_change_port_added(struct team_port *port, bool linkup); 11291d76efe1SJiri Pirko static int team_dev_type_check_change(struct net_device *dev, 11301d76efe1SJiri Pirko struct net_device *port_dev); 11313d249d4cSJiri Pirko 113244d15d93SIdo Schimmel static int team_port_add(struct team *team, struct net_device *port_dev, 113344d15d93SIdo Schimmel struct netlink_ext_ack *extack) 11343d249d4cSJiri Pirko { 11353d249d4cSJiri Pirko struct net_device *dev = team->dev; 11363d249d4cSJiri Pirko struct team_port *port; 11373d249d4cSJiri Pirko char *portname = port_dev->name; 11383d249d4cSJiri Pirko int err; 11393d249d4cSJiri Pirko 11401d76efe1SJiri Pirko if (port_dev->flags & IFF_LOOPBACK) { 114144d15d93SIdo Schimmel NL_SET_ERR_MSG(extack, "Loopback device can't be added as a team port"); 11421d76efe1SJiri Pirko netdev_err(dev, "Device %s is loopback device. Loopback devices can't be added as a team port\n", 11433d249d4cSJiri Pirko portname); 11443d249d4cSJiri Pirko return -EINVAL; 11453d249d4cSJiri Pirko } 11463d249d4cSJiri Pirko 1147acb10eacSJulian Wiedmann if (netif_is_team_port(port_dev)) { 114844d15d93SIdo Schimmel NL_SET_ERR_MSG(extack, "Device is already a port of a team device"); 11493d249d4cSJiri Pirko netdev_err(dev, "Device %s is already a port " 11503d249d4cSJiri Pirko "of a team device\n", portname); 11513d249d4cSJiri Pirko return -EBUSY; 11523d249d4cSJiri Pirko } 11533d249d4cSJiri Pirko 1154471b83bdSIdo Schimmel if (dev == port_dev) { 1155471b83bdSIdo Schimmel NL_SET_ERR_MSG(extack, "Cannot enslave team device to itself"); 1156471b83bdSIdo Schimmel netdev_err(dev, "Cannot enslave team device to itself\n"); 1157471b83bdSIdo Schimmel return -EINVAL; 1158471b83bdSIdo Schimmel } 1159471b83bdSIdo Schimmel 1160925b0c84SHangbin Liu if (netdev_has_upper_dev(dev, port_dev)) { 1161925b0c84SHangbin Liu NL_SET_ERR_MSG(extack, "Device is already an upper device of the team interface"); 1162925b0c84SHangbin Liu netdev_err(dev, "Device %s is already an upper device of the team interface\n", 1163925b0c84SHangbin Liu portname); 1164925b0c84SHangbin Liu return -EBUSY; 1165925b0c84SHangbin Liu } 1166925b0c84SHangbin Liu 11672c33bb37SJiri Pirko if (port_dev->features & NETIF_F_VLAN_CHALLENGED && 11682c33bb37SJiri Pirko vlan_uses_dev(dev)) { 116944d15d93SIdo Schimmel NL_SET_ERR_MSG(extack, "Device is VLAN challenged and team device has VLAN set up"); 11702c33bb37SJiri Pirko netdev_err(dev, "Device %s is VLAN challenged and team device has VLAN set up\n", 11712c33bb37SJiri Pirko portname); 11722c33bb37SJiri Pirko return -EPERM; 11732c33bb37SJiri Pirko } 11742c33bb37SJiri Pirko 11751d76efe1SJiri Pirko err = team_dev_type_check_change(dev, port_dev); 11761d76efe1SJiri Pirko if (err) 11771d76efe1SJiri Pirko return err; 11781d76efe1SJiri Pirko 11793d249d4cSJiri Pirko if (port_dev->flags & IFF_UP) { 118044d15d93SIdo Schimmel NL_SET_ERR_MSG(extack, "Device is up. Set it down before adding it as a team port"); 11813d249d4cSJiri Pirko netdev_err(dev, "Device %s is up. Set it down before adding it as a team port\n", 11823d249d4cSJiri Pirko portname); 11833d249d4cSJiri Pirko return -EBUSY; 11843d249d4cSJiri Pirko } 11853d249d4cSJiri Pirko 11865149ee58SJiri Pirko port = kzalloc(sizeof(struct team_port) + team->mode->port_priv_size, 11875149ee58SJiri Pirko GFP_KERNEL); 11883d249d4cSJiri Pirko if (!port) 11893d249d4cSJiri Pirko return -ENOMEM; 11903d249d4cSJiri Pirko 11913d249d4cSJiri Pirko port->dev = port_dev; 11923d249d4cSJiri Pirko port->team = team; 11938ff5105aSJiri Pirko INIT_LIST_HEAD(&port->qom_list); 11943d249d4cSJiri Pirko 11953d249d4cSJiri Pirko port->orig.mtu = port_dev->mtu; 11963d249d4cSJiri Pirko err = dev_set_mtu(port_dev, dev->mtu); 11973d249d4cSJiri Pirko if (err) { 11983d249d4cSJiri Pirko netdev_dbg(dev, "Error %d calling dev_set_mtu\n", err); 11993d249d4cSJiri Pirko goto err_set_mtu; 12003d249d4cSJiri Pirko } 12013d249d4cSJiri Pirko 12021d76efe1SJiri Pirko memcpy(port->orig.dev_addr, port_dev->dev_addr, port_dev->addr_len); 12033d249d4cSJiri Pirko 12043d249d4cSJiri Pirko err = team_port_enter(team, port); 12053d249d4cSJiri Pirko if (err) { 12063d249d4cSJiri Pirko netdev_err(dev, "Device %s failed to enter team mode\n", 12073d249d4cSJiri Pirko portname); 12083d249d4cSJiri Pirko goto err_port_enter; 12093d249d4cSJiri Pirko } 12103d249d4cSJiri Pirko 121100f54e68SPetr Machata err = dev_open(port_dev, extack); 12123d249d4cSJiri Pirko if (err) { 12133d249d4cSJiri Pirko netdev_dbg(dev, "Device %s opening failed\n", 12143d249d4cSJiri Pirko portname); 12153d249d4cSJiri Pirko goto err_dev_open; 12163d249d4cSJiri Pirko } 12173d249d4cSJiri Pirko 121857459185SJiri Pirko err = vlan_vids_add_by_dev(port_dev, dev); 121957459185SJiri Pirko if (err) { 122057459185SJiri Pirko netdev_err(dev, "Failed to add vlan ids to device %s\n", 122157459185SJiri Pirko portname); 122257459185SJiri Pirko goto err_vids_add; 122357459185SJiri Pirko } 122457459185SJiri Pirko 12259cf2f437SXin Long err = team_port_enable_netpoll(port); 1226bd2d0837SJiri Pirko if (err) { 1227bd2d0837SJiri Pirko netdev_err(dev, "Failed to enable netpoll on device %s\n", 1228bd2d0837SJiri Pirko portname); 1229bd2d0837SJiri Pirko goto err_enable_netpoll; 1230bd2d0837SJiri Pirko } 1231bd2d0837SJiri Pirko 1232fbe168baSMichal Kubeček if (!(dev->features & NETIF_F_LRO)) 1233fbe168baSMichal Kubeček dev_disable_lro(port_dev); 1234fbe168baSMichal Kubeček 12353d249d4cSJiri Pirko err = netdev_rx_handler_register(port_dev, team_handle_frame, 12363d249d4cSJiri Pirko port); 12373d249d4cSJiri Pirko if (err) { 12383d249d4cSJiri Pirko netdev_err(dev, "Device %s failed to register rx_handler\n", 12393d249d4cSJiri Pirko portname); 12403d249d4cSJiri Pirko goto err_handler_register; 12413d249d4cSJiri Pirko } 12423d249d4cSJiri Pirko 124344d15d93SIdo Schimmel err = team_upper_dev_link(team, port, extack); 1244d7d3c051SJiri Pirko if (err) { 1245d7d3c051SJiri Pirko netdev_err(dev, "Device %s failed to set upper link\n", 1246d7d3c051SJiri Pirko portname); 1247d7d3c051SJiri Pirko goto err_set_upper_link; 1248d7d3c051SJiri Pirko } 1249d7d3c051SJiri Pirko 125035b384bdSJiri Pirko err = __team_option_inst_add_port(team, port); 125180f7c668SJiri Pirko if (err) { 125280f7c668SJiri Pirko netdev_err(dev, "Device %s failed to add per-port options\n", 125380f7c668SJiri Pirko portname); 125480f7c668SJiri Pirko goto err_option_port_add; 125580f7c668SJiri Pirko } 125680f7c668SJiri Pirko 125743c2adb9SHangbin Liu /* set promiscuity level to new slave */ 125843c2adb9SHangbin Liu if (dev->flags & IFF_PROMISC) { 125943c2adb9SHangbin Liu err = dev_set_promiscuity(port_dev, 1); 126043c2adb9SHangbin Liu if (err) 126143c2adb9SHangbin Liu goto err_set_slave_promisc; 126243c2adb9SHangbin Liu } 126343c2adb9SHangbin Liu 126443c2adb9SHangbin Liu /* set allmulti level to new slave */ 126543c2adb9SHangbin Liu if (dev->flags & IFF_ALLMULTI) { 126643c2adb9SHangbin Liu err = dev_set_allmulti(port_dev, 1); 126743c2adb9SHangbin Liu if (err) { 126843c2adb9SHangbin Liu if (dev->flags & IFF_PROMISC) 126943c2adb9SHangbin Liu dev_set_promiscuity(port_dev, -1); 127043c2adb9SHangbin Liu goto err_set_slave_promisc; 127143c2adb9SHangbin Liu } 127243c2adb9SHangbin Liu } 127343c2adb9SHangbin Liu 1274bd602342SBenjamin Poirier if (dev->flags & IFF_UP) { 1275982cf3b3SXin Long netif_addr_lock_bh(dev); 1276982cf3b3SXin Long dev_uc_sync_multiple(port_dev, dev); 1277982cf3b3SXin Long dev_mc_sync_multiple(port_dev, dev); 1278982cf3b3SXin Long netif_addr_unlock_bh(dev); 1279bd602342SBenjamin Poirier } 1280982cf3b3SXin Long 128119a0b58eSJiri Pirko port->index = -1; 128219a0b58eSJiri Pirko list_add_tail_rcu(&port->list, &team->port_list); 128372df935dSJiri Pirko team_port_enable(team, port); 12843d249d4cSJiri Pirko __team_compute_features(team); 12858c7a7726SGeorge Wilkie __team_port_change_port_added(port, !!netif_oper_up(port_dev)); 128635b384bdSJiri Pirko __team_options_change_check(team); 12873d249d4cSJiri Pirko 12883d249d4cSJiri Pirko netdev_info(dev, "Port device %s added\n", portname); 12893d249d4cSJiri Pirko 12903d249d4cSJiri Pirko return 0; 12913d249d4cSJiri Pirko 129243c2adb9SHangbin Liu err_set_slave_promisc: 129343c2adb9SHangbin Liu __team_option_inst_del_port(team, port); 129443c2adb9SHangbin Liu 129580f7c668SJiri Pirko err_option_port_add: 12968fd72856SJiri Pirko team_upper_dev_unlink(team, port); 1297d7d3c051SJiri Pirko 1298d7d3c051SJiri Pirko err_set_upper_link: 129980f7c668SJiri Pirko netdev_rx_handler_unregister(port_dev); 130080f7c668SJiri Pirko 13013d249d4cSJiri Pirko err_handler_register: 1302bd2d0837SJiri Pirko team_port_disable_netpoll(port); 1303bd2d0837SJiri Pirko 1304bd2d0837SJiri Pirko err_enable_netpoll: 130557459185SJiri Pirko vlan_vids_del_by_dev(port_dev, dev); 130657459185SJiri Pirko 130757459185SJiri Pirko err_vids_add: 13083d249d4cSJiri Pirko dev_close(port_dev); 13093d249d4cSJiri Pirko 13103d249d4cSJiri Pirko err_dev_open: 13113d249d4cSJiri Pirko team_port_leave(team, port); 13121d76efe1SJiri Pirko team_port_set_orig_dev_addr(port); 13133d249d4cSJiri Pirko 13143d249d4cSJiri Pirko err_port_enter: 13153d249d4cSJiri Pirko dev_set_mtu(port_dev, port->orig.mtu); 13163d249d4cSJiri Pirko 13173d249d4cSJiri Pirko err_set_mtu: 13183d249d4cSJiri Pirko kfree(port); 13193d249d4cSJiri Pirko 13203d249d4cSJiri Pirko return err; 13213d249d4cSJiri Pirko } 13223d249d4cSJiri Pirko 132310f3f51dSJiri Pirko static void __team_port_change_port_removed(struct team_port *port); 132410f3f51dSJiri Pirko 13253d249d4cSJiri Pirko static int team_port_del(struct team *team, struct net_device *port_dev) 13263d249d4cSJiri Pirko { 13273d249d4cSJiri Pirko struct net_device *dev = team->dev; 13283d249d4cSJiri Pirko struct team_port *port; 13293d249d4cSJiri Pirko char *portname = port_dev->name; 13303d249d4cSJiri Pirko 13313d249d4cSJiri Pirko port = team_port_get_rtnl(port_dev); 13323d249d4cSJiri Pirko if (!port || !team_port_find(team, port)) { 13333d249d4cSJiri Pirko netdev_err(dev, "Device %s does not act as a port of this team\n", 13343d249d4cSJiri Pirko portname); 13353d249d4cSJiri Pirko return -ENOENT; 13363d249d4cSJiri Pirko } 13373d249d4cSJiri Pirko 133819a0b58eSJiri Pirko team_port_disable(team, port); 133919a0b58eSJiri Pirko list_del_rcu(&port->list); 134043c2adb9SHangbin Liu 134143c2adb9SHangbin Liu if (dev->flags & IFF_PROMISC) 134243c2adb9SHangbin Liu dev_set_promiscuity(port_dev, -1); 134343c2adb9SHangbin Liu if (dev->flags & IFF_ALLMULTI) 134443c2adb9SHangbin Liu dev_set_allmulti(port_dev, -1); 134543c2adb9SHangbin Liu 13468fd72856SJiri Pirko team_upper_dev_unlink(team, port); 13473d249d4cSJiri Pirko netdev_rx_handler_unregister(port_dev); 1348bd2d0837SJiri Pirko team_port_disable_netpoll(port); 134957459185SJiri Pirko vlan_vids_del_by_dev(port_dev, dev); 1350bd602342SBenjamin Poirier if (dev->flags & IFF_UP) { 1351ba81276bSVlad Yasevich dev_uc_unsync(port_dev, dev); 1352ba81276bSVlad Yasevich dev_mc_unsync(port_dev, dev); 1353bd602342SBenjamin Poirier } 13543d249d4cSJiri Pirko dev_close(port_dev); 13553d249d4cSJiri Pirko team_port_leave(team, port); 1356c3969d80SJiri Pirko 1357c3969d80SJiri Pirko __team_option_inst_mark_removed_port(team, port); 1358c3969d80SJiri Pirko __team_options_change_check(team); 1359c3969d80SJiri Pirko __team_option_inst_del_port(team, port); 1360c3969d80SJiri Pirko __team_port_change_port_removed(port); 1361c3969d80SJiri Pirko 13621d76efe1SJiri Pirko team_port_set_orig_dev_addr(port); 13633d249d4cSJiri Pirko dev_set_mtu(port_dev, port->orig.mtu); 1364d80b35beSJiri Pirko kfree_rcu(port, rcu); 13653d249d4cSJiri Pirko netdev_info(dev, "Port device %s removed\n", portname); 13663d249d4cSJiri Pirko __team_compute_features(team); 13673d249d4cSJiri Pirko 13683d249d4cSJiri Pirko return 0; 13693d249d4cSJiri Pirko } 13703d249d4cSJiri Pirko 13713d249d4cSJiri Pirko 13723d249d4cSJiri Pirko /***************** 13733d249d4cSJiri Pirko * Net device ops 13743d249d4cSJiri Pirko *****************/ 13753d249d4cSJiri Pirko 137680f7c668SJiri Pirko static int team_mode_option_get(struct team *team, struct team_gsetter_ctx *ctx) 13773d249d4cSJiri Pirko { 1378d299cd51SJiri Pirko ctx->data.str_val = team->mode->kind; 13793d249d4cSJiri Pirko return 0; 13803d249d4cSJiri Pirko } 13813d249d4cSJiri Pirko 138280f7c668SJiri Pirko static int team_mode_option_set(struct team *team, struct team_gsetter_ctx *ctx) 13833d249d4cSJiri Pirko { 138480f7c668SJiri Pirko return team_change_mode(team, ctx->data.str_val); 13853d249d4cSJiri Pirko } 13863d249d4cSJiri Pirko 1387fc423ff0SJiri Pirko static int team_notify_peers_count_get(struct team *team, 1388fc423ff0SJiri Pirko struct team_gsetter_ctx *ctx) 1389fc423ff0SJiri Pirko { 1390fc423ff0SJiri Pirko ctx->data.u32_val = team->notify_peers.count; 1391fc423ff0SJiri Pirko return 0; 1392fc423ff0SJiri Pirko } 1393fc423ff0SJiri Pirko 1394fc423ff0SJiri Pirko static int team_notify_peers_count_set(struct team *team, 1395fc423ff0SJiri Pirko struct team_gsetter_ctx *ctx) 1396fc423ff0SJiri Pirko { 1397fc423ff0SJiri Pirko team->notify_peers.count = ctx->data.u32_val; 1398fc423ff0SJiri Pirko return 0; 1399fc423ff0SJiri Pirko } 1400fc423ff0SJiri Pirko 1401fc423ff0SJiri Pirko static int team_notify_peers_interval_get(struct team *team, 1402fc423ff0SJiri Pirko struct team_gsetter_ctx *ctx) 1403fc423ff0SJiri Pirko { 1404fc423ff0SJiri Pirko ctx->data.u32_val = team->notify_peers.interval; 1405fc423ff0SJiri Pirko return 0; 1406fc423ff0SJiri Pirko } 1407fc423ff0SJiri Pirko 1408fc423ff0SJiri Pirko static int team_notify_peers_interval_set(struct team *team, 1409fc423ff0SJiri Pirko struct team_gsetter_ctx *ctx) 1410fc423ff0SJiri Pirko { 1411fc423ff0SJiri Pirko team->notify_peers.interval = ctx->data.u32_val; 1412fc423ff0SJiri Pirko return 0; 1413fc423ff0SJiri Pirko } 1414fc423ff0SJiri Pirko 1415492b200eSJiri Pirko static int team_mcast_rejoin_count_get(struct team *team, 1416492b200eSJiri Pirko struct team_gsetter_ctx *ctx) 1417492b200eSJiri Pirko { 1418492b200eSJiri Pirko ctx->data.u32_val = team->mcast_rejoin.count; 1419492b200eSJiri Pirko return 0; 1420492b200eSJiri Pirko } 1421492b200eSJiri Pirko 1422492b200eSJiri Pirko static int team_mcast_rejoin_count_set(struct team *team, 1423492b200eSJiri Pirko struct team_gsetter_ctx *ctx) 1424492b200eSJiri Pirko { 1425492b200eSJiri Pirko team->mcast_rejoin.count = ctx->data.u32_val; 1426492b200eSJiri Pirko return 0; 1427492b200eSJiri Pirko } 1428492b200eSJiri Pirko 1429492b200eSJiri Pirko static int team_mcast_rejoin_interval_get(struct team *team, 1430492b200eSJiri Pirko struct team_gsetter_ctx *ctx) 1431492b200eSJiri Pirko { 1432492b200eSJiri Pirko ctx->data.u32_val = team->mcast_rejoin.interval; 1433492b200eSJiri Pirko return 0; 1434492b200eSJiri Pirko } 1435492b200eSJiri Pirko 1436492b200eSJiri Pirko static int team_mcast_rejoin_interval_set(struct team *team, 1437492b200eSJiri Pirko struct team_gsetter_ctx *ctx) 1438492b200eSJiri Pirko { 1439492b200eSJiri Pirko team->mcast_rejoin.interval = ctx->data.u32_val; 1440492b200eSJiri Pirko return 0; 1441492b200eSJiri Pirko } 1442492b200eSJiri Pirko 1443acd69962SJiri Pirko static int team_port_en_option_get(struct team *team, 1444acd69962SJiri Pirko struct team_gsetter_ctx *ctx) 1445acd69962SJiri Pirko { 144685d59a87SJiri Pirko struct team_port *port = ctx->info->port; 144785d59a87SJiri Pirko 144885d59a87SJiri Pirko ctx->data.bool_val = team_port_enabled(port); 1449acd69962SJiri Pirko return 0; 1450acd69962SJiri Pirko } 1451acd69962SJiri Pirko 1452acd69962SJiri Pirko static int team_port_en_option_set(struct team *team, 1453acd69962SJiri Pirko struct team_gsetter_ctx *ctx) 1454acd69962SJiri Pirko { 145585d59a87SJiri Pirko struct team_port *port = ctx->info->port; 145685d59a87SJiri Pirko 1457acd69962SJiri Pirko if (ctx->data.bool_val) 145885d59a87SJiri Pirko team_port_enable(team, port); 1459acd69962SJiri Pirko else 146085d59a87SJiri Pirko team_port_disable(team, port); 1461acd69962SJiri Pirko return 0; 1462acd69962SJiri Pirko } 1463acd69962SJiri Pirko 146471472ec1SJiri Pirko static int team_user_linkup_option_get(struct team *team, 146571472ec1SJiri Pirko struct team_gsetter_ctx *ctx) 146671472ec1SJiri Pirko { 146785d59a87SJiri Pirko struct team_port *port = ctx->info->port; 146885d59a87SJiri Pirko 146985d59a87SJiri Pirko ctx->data.bool_val = port->user.linkup; 147071472ec1SJiri Pirko return 0; 147171472ec1SJiri Pirko } 147271472ec1SJiri Pirko 1473f5e0d343SJiri Pirko static void __team_carrier_check(struct team *team); 1474f5e0d343SJiri Pirko 147571472ec1SJiri Pirko static int team_user_linkup_option_set(struct team *team, 147671472ec1SJiri Pirko struct team_gsetter_ctx *ctx) 147771472ec1SJiri Pirko { 147885d59a87SJiri Pirko struct team_port *port = ctx->info->port; 147985d59a87SJiri Pirko 148085d59a87SJiri Pirko port->user.linkup = ctx->data.bool_val; 148185d59a87SJiri Pirko team_refresh_port_linkup(port); 1482f5e0d343SJiri Pirko __team_carrier_check(port->team); 148371472ec1SJiri Pirko return 0; 148471472ec1SJiri Pirko } 148571472ec1SJiri Pirko 148671472ec1SJiri Pirko static int team_user_linkup_en_option_get(struct team *team, 148771472ec1SJiri Pirko struct team_gsetter_ctx *ctx) 148871472ec1SJiri Pirko { 148985d59a87SJiri Pirko struct team_port *port = ctx->info->port; 149071472ec1SJiri Pirko 149171472ec1SJiri Pirko ctx->data.bool_val = port->user.linkup_enabled; 149271472ec1SJiri Pirko return 0; 149371472ec1SJiri Pirko } 149471472ec1SJiri Pirko 149571472ec1SJiri Pirko static int team_user_linkup_en_option_set(struct team *team, 149671472ec1SJiri Pirko struct team_gsetter_ctx *ctx) 149771472ec1SJiri Pirko { 149885d59a87SJiri Pirko struct team_port *port = ctx->info->port; 149971472ec1SJiri Pirko 150071472ec1SJiri Pirko port->user.linkup_enabled = ctx->data.bool_val; 150185d59a87SJiri Pirko team_refresh_port_linkup(port); 1502f5e0d343SJiri Pirko __team_carrier_check(port->team); 150371472ec1SJiri Pirko return 0; 150471472ec1SJiri Pirko } 150571472ec1SJiri Pirko 1506a86fc6b7SJiri Pirko static int team_priority_option_get(struct team *team, 1507a86fc6b7SJiri Pirko struct team_gsetter_ctx *ctx) 1508a86fc6b7SJiri Pirko { 1509a86fc6b7SJiri Pirko struct team_port *port = ctx->info->port; 1510a86fc6b7SJiri Pirko 1511a86fc6b7SJiri Pirko ctx->data.s32_val = port->priority; 1512a86fc6b7SJiri Pirko return 0; 1513a86fc6b7SJiri Pirko } 1514a86fc6b7SJiri Pirko 1515a86fc6b7SJiri Pirko static int team_priority_option_set(struct team *team, 1516a86fc6b7SJiri Pirko struct team_gsetter_ctx *ctx) 1517a86fc6b7SJiri Pirko { 1518a86fc6b7SJiri Pirko struct team_port *port = ctx->info->port; 15196c31ff36SJiri Pirko s32 priority = ctx->data.s32_val; 1520a86fc6b7SJiri Pirko 15216c31ff36SJiri Pirko if (port->priority == priority) 15226c31ff36SJiri Pirko return 0; 15236c31ff36SJiri Pirko port->priority = priority; 15246c31ff36SJiri Pirko team_queue_override_port_prio_changed(team, port); 1525a86fc6b7SJiri Pirko return 0; 1526a86fc6b7SJiri Pirko } 1527a86fc6b7SJiri Pirko 15288ff5105aSJiri Pirko static int team_queue_id_option_get(struct team *team, 15298ff5105aSJiri Pirko struct team_gsetter_ctx *ctx) 15308ff5105aSJiri Pirko { 15318ff5105aSJiri Pirko struct team_port *port = ctx->info->port; 15328ff5105aSJiri Pirko 15338ff5105aSJiri Pirko ctx->data.u32_val = port->queue_id; 15348ff5105aSJiri Pirko return 0; 15358ff5105aSJiri Pirko } 15368ff5105aSJiri Pirko 15378ff5105aSJiri Pirko static int team_queue_id_option_set(struct team *team, 15388ff5105aSJiri Pirko struct team_gsetter_ctx *ctx) 15398ff5105aSJiri Pirko { 15408ff5105aSJiri Pirko struct team_port *port = ctx->info->port; 15416c31ff36SJiri Pirko u16 new_queue_id = ctx->data.u32_val; 15428ff5105aSJiri Pirko 15436c31ff36SJiri Pirko if (port->queue_id == new_queue_id) 15448ff5105aSJiri Pirko return 0; 15456c31ff36SJiri Pirko if (new_queue_id >= team->dev->real_num_tx_queues) 15468ff5105aSJiri Pirko return -EINVAL; 15476c31ff36SJiri Pirko team_queue_override_port_change_queue_id(team, port, new_queue_id); 15488ff5105aSJiri Pirko return 0; 15498ff5105aSJiri Pirko } 15508ff5105aSJiri Pirko 1551358b8382SJiri Pirko static const struct team_option team_options[] = { 15523d249d4cSJiri Pirko { 15533d249d4cSJiri Pirko .name = "mode", 15543d249d4cSJiri Pirko .type = TEAM_OPTION_TYPE_STRING, 15553d249d4cSJiri Pirko .getter = team_mode_option_get, 15563d249d4cSJiri Pirko .setter = team_mode_option_set, 15573d249d4cSJiri Pirko }, 155871472ec1SJiri Pirko { 1559fc423ff0SJiri Pirko .name = "notify_peers_count", 1560fc423ff0SJiri Pirko .type = TEAM_OPTION_TYPE_U32, 1561fc423ff0SJiri Pirko .getter = team_notify_peers_count_get, 1562fc423ff0SJiri Pirko .setter = team_notify_peers_count_set, 1563fc423ff0SJiri Pirko }, 1564fc423ff0SJiri Pirko { 1565fc423ff0SJiri Pirko .name = "notify_peers_interval", 1566fc423ff0SJiri Pirko .type = TEAM_OPTION_TYPE_U32, 1567fc423ff0SJiri Pirko .getter = team_notify_peers_interval_get, 1568fc423ff0SJiri Pirko .setter = team_notify_peers_interval_set, 1569fc423ff0SJiri Pirko }, 1570fc423ff0SJiri Pirko { 1571492b200eSJiri Pirko .name = "mcast_rejoin_count", 1572492b200eSJiri Pirko .type = TEAM_OPTION_TYPE_U32, 1573492b200eSJiri Pirko .getter = team_mcast_rejoin_count_get, 1574492b200eSJiri Pirko .setter = team_mcast_rejoin_count_set, 1575492b200eSJiri Pirko }, 1576492b200eSJiri Pirko { 1577492b200eSJiri Pirko .name = "mcast_rejoin_interval", 1578492b200eSJiri Pirko .type = TEAM_OPTION_TYPE_U32, 1579492b200eSJiri Pirko .getter = team_mcast_rejoin_interval_get, 1580492b200eSJiri Pirko .setter = team_mcast_rejoin_interval_set, 1581492b200eSJiri Pirko }, 1582492b200eSJiri Pirko { 1583acd69962SJiri Pirko .name = "enabled", 1584acd69962SJiri Pirko .type = TEAM_OPTION_TYPE_BOOL, 1585acd69962SJiri Pirko .per_port = true, 1586acd69962SJiri Pirko .getter = team_port_en_option_get, 1587acd69962SJiri Pirko .setter = team_port_en_option_set, 1588acd69962SJiri Pirko }, 1589acd69962SJiri Pirko { 159071472ec1SJiri Pirko .name = "user_linkup", 159171472ec1SJiri Pirko .type = TEAM_OPTION_TYPE_BOOL, 159271472ec1SJiri Pirko .per_port = true, 159371472ec1SJiri Pirko .getter = team_user_linkup_option_get, 159471472ec1SJiri Pirko .setter = team_user_linkup_option_set, 159571472ec1SJiri Pirko }, 159671472ec1SJiri Pirko { 159771472ec1SJiri Pirko .name = "user_linkup_enabled", 159871472ec1SJiri Pirko .type = TEAM_OPTION_TYPE_BOOL, 159971472ec1SJiri Pirko .per_port = true, 160071472ec1SJiri Pirko .getter = team_user_linkup_en_option_get, 160171472ec1SJiri Pirko .setter = team_user_linkup_en_option_set, 160271472ec1SJiri Pirko }, 1603a86fc6b7SJiri Pirko { 1604a86fc6b7SJiri Pirko .name = "priority", 1605a86fc6b7SJiri Pirko .type = TEAM_OPTION_TYPE_S32, 1606a86fc6b7SJiri Pirko .per_port = true, 1607a86fc6b7SJiri Pirko .getter = team_priority_option_get, 1608a86fc6b7SJiri Pirko .setter = team_priority_option_set, 1609a86fc6b7SJiri Pirko }, 16108ff5105aSJiri Pirko { 16118ff5105aSJiri Pirko .name = "queue_id", 16128ff5105aSJiri Pirko .type = TEAM_OPTION_TYPE_U32, 16138ff5105aSJiri Pirko .per_port = true, 16148ff5105aSJiri Pirko .getter = team_queue_id_option_get, 16158ff5105aSJiri Pirko .setter = team_queue_id_option_set, 16168ff5105aSJiri Pirko }, 16173d249d4cSJiri Pirko }; 16183d249d4cSJiri Pirko 16196c85f2bdSJiri Pirko 16203d249d4cSJiri Pirko static int team_init(struct net_device *dev) 16213d249d4cSJiri Pirko { 16223d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 16233d249d4cSJiri Pirko int i; 1624358b8382SJiri Pirko int err; 16253d249d4cSJiri Pirko 16263d249d4cSJiri Pirko team->dev = dev; 1627d299cd51SJiri Pirko team_set_no_mode(team); 1628ae9b15fbSTaehee Yoo team->notifier_ctx = false; 16293d249d4cSJiri Pirko 16301c213bd2SWANG Cong team->pcpu_stats = netdev_alloc_pcpu_stats(struct team_pcpu_stats); 16313d249d4cSJiri Pirko if (!team->pcpu_stats) 16323d249d4cSJiri Pirko return -ENOMEM; 16333d249d4cSJiri Pirko 16343d249d4cSJiri Pirko for (i = 0; i < TEAM_PORT_HASHENTRIES; i++) 163519a0b58eSJiri Pirko INIT_HLIST_HEAD(&team->en_port_hlist[i]); 16363d249d4cSJiri Pirko INIT_LIST_HEAD(&team->port_list); 16378ff5105aSJiri Pirko err = team_queue_override_init(team); 16388ff5105aSJiri Pirko if (err) 16398ff5105aSJiri Pirko goto err_team_queue_override_init; 16403d249d4cSJiri Pirko 16413d249d4cSJiri Pirko team_adjust_ops(team); 16423d249d4cSJiri Pirko 16433d249d4cSJiri Pirko INIT_LIST_HEAD(&team->option_list); 164480f7c668SJiri Pirko INIT_LIST_HEAD(&team->option_inst_list); 1645fc423ff0SJiri Pirko 1646fc423ff0SJiri Pirko team_notify_peers_init(team); 1647492b200eSJiri Pirko team_mcast_rejoin_init(team); 1648fc423ff0SJiri Pirko 1649358b8382SJiri Pirko err = team_options_register(team, team_options, ARRAY_SIZE(team_options)); 1650358b8382SJiri Pirko if (err) 1651358b8382SJiri Pirko goto err_options_register; 16523d249d4cSJiri Pirko netif_carrier_off(dev); 16533d249d4cSJiri Pirko 1654369f61beSTaehee Yoo lockdep_register_key(&team->team_lock_key); 1655369f61beSTaehee Yoo __mutex_init(&team->lock, "team->team_lock_key", &team->team_lock_key); 16561a33e10eSCong Wang netdev_lockdep_set_classes(dev); 16576c85f2bdSJiri Pirko 16583d249d4cSJiri Pirko return 0; 1659358b8382SJiri Pirko 1660358b8382SJiri Pirko err_options_register: 1661492b200eSJiri Pirko team_mcast_rejoin_fini(team); 1662fc423ff0SJiri Pirko team_notify_peers_fini(team); 16638ff5105aSJiri Pirko team_queue_override_fini(team); 16648ff5105aSJiri Pirko err_team_queue_override_init: 1665358b8382SJiri Pirko free_percpu(team->pcpu_stats); 1666358b8382SJiri Pirko 1667358b8382SJiri Pirko return err; 16683d249d4cSJiri Pirko } 16693d249d4cSJiri Pirko 16703d249d4cSJiri Pirko static void team_uninit(struct net_device *dev) 16713d249d4cSJiri Pirko { 16723d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 16733d249d4cSJiri Pirko struct team_port *port; 16743d249d4cSJiri Pirko struct team_port *tmp; 16753d249d4cSJiri Pirko 167661dc3461SJiri Pirko mutex_lock(&team->lock); 16773d249d4cSJiri Pirko list_for_each_entry_safe(port, tmp, &team->port_list, list) 16783d249d4cSJiri Pirko team_port_del(team, port->dev); 16793d249d4cSJiri Pirko 16803d249d4cSJiri Pirko __team_change_mode(team, NULL); /* cleanup */ 16813d249d4cSJiri Pirko __team_options_unregister(team, team_options, ARRAY_SIZE(team_options)); 1682492b200eSJiri Pirko team_mcast_rejoin_fini(team); 1683fc423ff0SJiri Pirko team_notify_peers_fini(team); 16848ff5105aSJiri Pirko team_queue_override_fini(team); 168561dc3461SJiri Pirko mutex_unlock(&team->lock); 168616cf72bbSXin Long netdev_change_features(dev); 1687369f61beSTaehee Yoo lockdep_unregister_key(&team->team_lock_key); 16883d249d4cSJiri Pirko } 16893d249d4cSJiri Pirko 16903d249d4cSJiri Pirko static void team_destructor(struct net_device *dev) 16913d249d4cSJiri Pirko { 16923d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 16933d249d4cSJiri Pirko 16943d249d4cSJiri Pirko free_percpu(team->pcpu_stats); 16953d249d4cSJiri Pirko } 16963d249d4cSJiri Pirko 16973d249d4cSJiri Pirko static int team_open(struct net_device *dev) 16983d249d4cSJiri Pirko { 16993d249d4cSJiri Pirko return 0; 17003d249d4cSJiri Pirko } 17013d249d4cSJiri Pirko 17023d249d4cSJiri Pirko static int team_close(struct net_device *dev) 17033d249d4cSJiri Pirko { 1704bd602342SBenjamin Poirier struct team *team = netdev_priv(dev); 1705bd602342SBenjamin Poirier struct team_port *port; 1706bd602342SBenjamin Poirier 1707bd602342SBenjamin Poirier list_for_each_entry(port, &team->port_list, list) { 1708bd602342SBenjamin Poirier dev_uc_unsync(port->dev, dev); 1709bd602342SBenjamin Poirier dev_mc_unsync(port->dev, dev); 1710bd602342SBenjamin Poirier } 1711bd602342SBenjamin Poirier 17123d249d4cSJiri Pirko return 0; 17133d249d4cSJiri Pirko } 17143d249d4cSJiri Pirko 17153d249d4cSJiri Pirko /* 17163d249d4cSJiri Pirko * note: already called with rcu_read_lock 17173d249d4cSJiri Pirko */ 17183d249d4cSJiri Pirko static netdev_tx_t team_xmit(struct sk_buff *skb, struct net_device *dev) 17193d249d4cSJiri Pirko { 17203d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 17218ff5105aSJiri Pirko bool tx_success; 17223d249d4cSJiri Pirko unsigned int len = skb->len; 17233d249d4cSJiri Pirko 17248ff5105aSJiri Pirko tx_success = team_queue_override_transmit(team, skb); 17258ff5105aSJiri Pirko if (!tx_success) 17263d249d4cSJiri Pirko tx_success = team->ops.transmit(team, skb); 17273d249d4cSJiri Pirko if (tx_success) { 17283d249d4cSJiri Pirko struct team_pcpu_stats *pcpu_stats; 17293d249d4cSJiri Pirko 17303d249d4cSJiri Pirko pcpu_stats = this_cpu_ptr(team->pcpu_stats); 17313d249d4cSJiri Pirko u64_stats_update_begin(&pcpu_stats->syncp); 17329ec321abSEric Dumazet u64_stats_inc(&pcpu_stats->tx_packets); 17339ec321abSEric Dumazet u64_stats_add(&pcpu_stats->tx_bytes, len); 17343d249d4cSJiri Pirko u64_stats_update_end(&pcpu_stats->syncp); 17353d249d4cSJiri Pirko } else { 17363d249d4cSJiri Pirko this_cpu_inc(team->pcpu_stats->tx_dropped); 17373d249d4cSJiri Pirko } 17383d249d4cSJiri Pirko 17393d249d4cSJiri Pirko return NETDEV_TX_OK; 17403d249d4cSJiri Pirko } 17413d249d4cSJiri Pirko 1742f663dd9aSJason Wang static u16 team_select_queue(struct net_device *dev, struct sk_buff *skb, 1743a350ecceSPaolo Abeni struct net_device *sb_dev) 17446c85f2bdSJiri Pirko { 17456c85f2bdSJiri Pirko /* 17466c85f2bdSJiri Pirko * This helper function exists to help dev_pick_tx get the correct 17476c85f2bdSJiri Pirko * destination queue. Using a helper function skips a call to 17486c85f2bdSJiri Pirko * skb_tx_hash and will put the skbs in the queue we expect on their 17496c85f2bdSJiri Pirko * way down to the team driver. 17506c85f2bdSJiri Pirko */ 17516c85f2bdSJiri Pirko u16 txq = skb_rx_queue_recorded(skb) ? skb_get_rx_queue(skb) : 0; 17526c85f2bdSJiri Pirko 17536c85f2bdSJiri Pirko /* 17546c85f2bdSJiri Pirko * Save the original txq to restore before passing to the driver 17556c85f2bdSJiri Pirko */ 17566c85f2bdSJiri Pirko qdisc_skb_cb(skb)->slave_dev_queue_mapping = skb->queue_mapping; 17576c85f2bdSJiri Pirko 17586c85f2bdSJiri Pirko if (unlikely(txq >= dev->real_num_tx_queues)) { 17596c85f2bdSJiri Pirko do { 17606c85f2bdSJiri Pirko txq -= dev->real_num_tx_queues; 17616c85f2bdSJiri Pirko } while (txq >= dev->real_num_tx_queues); 17626c85f2bdSJiri Pirko } 17636c85f2bdSJiri Pirko return txq; 17646c85f2bdSJiri Pirko } 17656c85f2bdSJiri Pirko 17663d249d4cSJiri Pirko static void team_change_rx_flags(struct net_device *dev, int change) 17673d249d4cSJiri Pirko { 17683d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 17693d249d4cSJiri Pirko struct team_port *port; 17703d249d4cSJiri Pirko int inc; 17713d249d4cSJiri Pirko 17723d249d4cSJiri Pirko rcu_read_lock(); 17733d249d4cSJiri Pirko list_for_each_entry_rcu(port, &team->port_list, list) { 17743d249d4cSJiri Pirko if (change & IFF_PROMISC) { 17753d249d4cSJiri Pirko inc = dev->flags & IFF_PROMISC ? 1 : -1; 17763d249d4cSJiri Pirko dev_set_promiscuity(port->dev, inc); 17773d249d4cSJiri Pirko } 17783d249d4cSJiri Pirko if (change & IFF_ALLMULTI) { 17793d249d4cSJiri Pirko inc = dev->flags & IFF_ALLMULTI ? 1 : -1; 17803d249d4cSJiri Pirko dev_set_allmulti(port->dev, inc); 17813d249d4cSJiri Pirko } 17823d249d4cSJiri Pirko } 17833d249d4cSJiri Pirko rcu_read_unlock(); 17843d249d4cSJiri Pirko } 17853d249d4cSJiri Pirko 17863d249d4cSJiri Pirko static void team_set_rx_mode(struct net_device *dev) 17873d249d4cSJiri Pirko { 17883d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 17893d249d4cSJiri Pirko struct team_port *port; 17903d249d4cSJiri Pirko 17913d249d4cSJiri Pirko rcu_read_lock(); 17923d249d4cSJiri Pirko list_for_each_entry_rcu(port, &team->port_list, list) { 179372b27032SVlad Yasevich dev_uc_sync_multiple(port->dev, dev); 179472b27032SVlad Yasevich dev_mc_sync_multiple(port->dev, dev); 17953d249d4cSJiri Pirko } 17963d249d4cSJiri Pirko rcu_read_unlock(); 17973d249d4cSJiri Pirko } 17983d249d4cSJiri Pirko 17993d249d4cSJiri Pirko static int team_set_mac_address(struct net_device *dev, void *p) 18003d249d4cSJiri Pirko { 18011d76efe1SJiri Pirko struct sockaddr *addr = p; 18023d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 18033d249d4cSJiri Pirko struct team_port *port; 18043d249d4cSJiri Pirko 18051d76efe1SJiri Pirko if (dev->type == ARPHRD_ETHER && !is_valid_ether_addr(addr->sa_data)) 18061d76efe1SJiri Pirko return -EADDRNOTAVAIL; 1807ea52a0b5SJakub Kicinski dev_addr_set(dev, addr->sa_data); 18089215f437SJiri Pirko mutex_lock(&team->lock); 18099215f437SJiri Pirko list_for_each_entry(port, &team->port_list, list) 18101d76efe1SJiri Pirko if (team->ops.port_change_dev_addr) 18111d76efe1SJiri Pirko team->ops.port_change_dev_addr(team, port); 18129215f437SJiri Pirko mutex_unlock(&team->lock); 18133d249d4cSJiri Pirko return 0; 18143d249d4cSJiri Pirko } 18153d249d4cSJiri Pirko 18163d249d4cSJiri Pirko static int team_change_mtu(struct net_device *dev, int new_mtu) 18173d249d4cSJiri Pirko { 18183d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 18193d249d4cSJiri Pirko struct team_port *port; 18203d249d4cSJiri Pirko int err; 18213d249d4cSJiri Pirko 18223d249d4cSJiri Pirko /* 18233d249d4cSJiri Pirko * Alhough this is reader, it's guarded by team lock. It's not possible 18243d249d4cSJiri Pirko * to traverse list in reverse under rcu_read_lock 18253d249d4cSJiri Pirko */ 182661dc3461SJiri Pirko mutex_lock(&team->lock); 18279d0d68faSJiri Pirko team->port_mtu_change_allowed = true; 18283d249d4cSJiri Pirko list_for_each_entry(port, &team->port_list, list) { 18293d249d4cSJiri Pirko err = dev_set_mtu(port->dev, new_mtu); 18303d249d4cSJiri Pirko if (err) { 18313d249d4cSJiri Pirko netdev_err(dev, "Device %s failed to change mtu", 18323d249d4cSJiri Pirko port->dev->name); 18333d249d4cSJiri Pirko goto unwind; 18343d249d4cSJiri Pirko } 18353d249d4cSJiri Pirko } 18369d0d68faSJiri Pirko team->port_mtu_change_allowed = false; 183761dc3461SJiri Pirko mutex_unlock(&team->lock); 18383d249d4cSJiri Pirko 18393d249d4cSJiri Pirko dev->mtu = new_mtu; 18403d249d4cSJiri Pirko 18413d249d4cSJiri Pirko return 0; 18423d249d4cSJiri Pirko 18433d249d4cSJiri Pirko unwind: 18443d249d4cSJiri Pirko list_for_each_entry_continue_reverse(port, &team->port_list, list) 18453d249d4cSJiri Pirko dev_set_mtu(port->dev, dev->mtu); 18469d0d68faSJiri Pirko team->port_mtu_change_allowed = false; 184761dc3461SJiri Pirko mutex_unlock(&team->lock); 18483d249d4cSJiri Pirko 18493d249d4cSJiri Pirko return err; 18503d249d4cSJiri Pirko } 18513d249d4cSJiri Pirko 1852bc1f4470Sstephen hemminger static void 18533d249d4cSJiri Pirko team_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats) 18543d249d4cSJiri Pirko { 18553d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 18563d249d4cSJiri Pirko struct team_pcpu_stats *p; 18573d249d4cSJiri Pirko u64 rx_packets, rx_bytes, rx_multicast, tx_packets, tx_bytes; 1858bb63daf9SJarod Wilson u32 rx_dropped = 0, tx_dropped = 0, rx_nohandler = 0; 18593d249d4cSJiri Pirko unsigned int start; 18603d249d4cSJiri Pirko int i; 18613d249d4cSJiri Pirko 18623d249d4cSJiri Pirko for_each_possible_cpu(i) { 18633d249d4cSJiri Pirko p = per_cpu_ptr(team->pcpu_stats, i); 18643d249d4cSJiri Pirko do { 1865068c38adSThomas Gleixner start = u64_stats_fetch_begin(&p->syncp); 18669ec321abSEric Dumazet rx_packets = u64_stats_read(&p->rx_packets); 18679ec321abSEric Dumazet rx_bytes = u64_stats_read(&p->rx_bytes); 18689ec321abSEric Dumazet rx_multicast = u64_stats_read(&p->rx_multicast); 18699ec321abSEric Dumazet tx_packets = u64_stats_read(&p->tx_packets); 18709ec321abSEric Dumazet tx_bytes = u64_stats_read(&p->tx_bytes); 1871068c38adSThomas Gleixner } while (u64_stats_fetch_retry(&p->syncp, start)); 18723d249d4cSJiri Pirko 18733d249d4cSJiri Pirko stats->rx_packets += rx_packets; 18743d249d4cSJiri Pirko stats->rx_bytes += rx_bytes; 18753d249d4cSJiri Pirko stats->multicast += rx_multicast; 18763d249d4cSJiri Pirko stats->tx_packets += tx_packets; 18773d249d4cSJiri Pirko stats->tx_bytes += tx_bytes; 18783d249d4cSJiri Pirko /* 1879bb63daf9SJarod Wilson * rx_dropped, tx_dropped & rx_nohandler are u32, 1880bb63daf9SJarod Wilson * updated without syncp protection. 18813d249d4cSJiri Pirko */ 18829ec321abSEric Dumazet rx_dropped += READ_ONCE(p->rx_dropped); 18839ec321abSEric Dumazet tx_dropped += READ_ONCE(p->tx_dropped); 18849ec321abSEric Dumazet rx_nohandler += READ_ONCE(p->rx_nohandler); 18853d249d4cSJiri Pirko } 18863d249d4cSJiri Pirko stats->rx_dropped = rx_dropped; 18873d249d4cSJiri Pirko stats->tx_dropped = tx_dropped; 1888bb63daf9SJarod Wilson stats->rx_nohandler = rx_nohandler; 18893d249d4cSJiri Pirko } 18903d249d4cSJiri Pirko 189180d5c368SPatrick McHardy static int team_vlan_rx_add_vid(struct net_device *dev, __be16 proto, u16 vid) 18923d249d4cSJiri Pirko { 18933d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 18943d249d4cSJiri Pirko struct team_port *port; 189587002b03SJiri Pirko int err; 18963d249d4cSJiri Pirko 189787002b03SJiri Pirko /* 189887002b03SJiri Pirko * Alhough this is reader, it's guarded by team lock. It's not possible 189987002b03SJiri Pirko * to traverse list in reverse under rcu_read_lock 190087002b03SJiri Pirko */ 190187002b03SJiri Pirko mutex_lock(&team->lock); 190287002b03SJiri Pirko list_for_each_entry(port, &team->port_list, list) { 190380d5c368SPatrick McHardy err = vlan_vid_add(port->dev, proto, vid); 190487002b03SJiri Pirko if (err) 190587002b03SJiri Pirko goto unwind; 19063d249d4cSJiri Pirko } 190787002b03SJiri Pirko mutex_unlock(&team->lock); 19088e586137SJiri Pirko 19098e586137SJiri Pirko return 0; 191087002b03SJiri Pirko 191187002b03SJiri Pirko unwind: 191287002b03SJiri Pirko list_for_each_entry_continue_reverse(port, &team->port_list, list) 191380d5c368SPatrick McHardy vlan_vid_del(port->dev, proto, vid); 191487002b03SJiri Pirko mutex_unlock(&team->lock); 191587002b03SJiri Pirko 191687002b03SJiri Pirko return err; 19173d249d4cSJiri Pirko } 19183d249d4cSJiri Pirko 191980d5c368SPatrick McHardy static int team_vlan_rx_kill_vid(struct net_device *dev, __be16 proto, u16 vid) 19203d249d4cSJiri Pirko { 19213d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 19223d249d4cSJiri Pirko struct team_port *port; 19233d249d4cSJiri Pirko 192460a6531bSIdo Schimmel mutex_lock(&team->lock); 192560a6531bSIdo Schimmel list_for_each_entry(port, &team->port_list, list) 192680d5c368SPatrick McHardy vlan_vid_del(port->dev, proto, vid); 192760a6531bSIdo Schimmel mutex_unlock(&team->lock); 19288e586137SJiri Pirko 19298e586137SJiri Pirko return 0; 19303d249d4cSJiri Pirko } 19313d249d4cSJiri Pirko 1932bd2d0837SJiri Pirko #ifdef CONFIG_NET_POLL_CONTROLLER 1933bd2d0837SJiri Pirko static void team_poll_controller(struct net_device *dev) 1934bd2d0837SJiri Pirko { 1935bd2d0837SJiri Pirko } 1936bd2d0837SJiri Pirko 1937bd2d0837SJiri Pirko static void __team_netpoll_cleanup(struct team *team) 1938bd2d0837SJiri Pirko { 1939bd2d0837SJiri Pirko struct team_port *port; 1940bd2d0837SJiri Pirko 1941bd2d0837SJiri Pirko list_for_each_entry(port, &team->port_list, list) 1942bd2d0837SJiri Pirko team_port_disable_netpoll(port); 1943bd2d0837SJiri Pirko } 1944bd2d0837SJiri Pirko 1945bd2d0837SJiri Pirko static void team_netpoll_cleanup(struct net_device *dev) 1946bd2d0837SJiri Pirko { 1947bd2d0837SJiri Pirko struct team *team = netdev_priv(dev); 1948bd2d0837SJiri Pirko 1949bd2d0837SJiri Pirko mutex_lock(&team->lock); 1950bd2d0837SJiri Pirko __team_netpoll_cleanup(team); 1951bd2d0837SJiri Pirko mutex_unlock(&team->lock); 1952bd2d0837SJiri Pirko } 1953bd2d0837SJiri Pirko 1954bd2d0837SJiri Pirko static int team_netpoll_setup(struct net_device *dev, 1955a8779ec1SEric W. Biederman struct netpoll_info *npifo) 1956bd2d0837SJiri Pirko { 1957bd2d0837SJiri Pirko struct team *team = netdev_priv(dev); 1958bd2d0837SJiri Pirko struct team_port *port; 19593324d024SJiri Pirko int err = 0; 1960bd2d0837SJiri Pirko 1961bd2d0837SJiri Pirko mutex_lock(&team->lock); 1962bd2d0837SJiri Pirko list_for_each_entry(port, &team->port_list, list) { 19639cf2f437SXin Long err = __team_port_enable_netpoll(port); 1964bd2d0837SJiri Pirko if (err) { 1965bd2d0837SJiri Pirko __team_netpoll_cleanup(team); 1966bd2d0837SJiri Pirko break; 1967bd2d0837SJiri Pirko } 1968bd2d0837SJiri Pirko } 1969bd2d0837SJiri Pirko mutex_unlock(&team->lock); 1970bd2d0837SJiri Pirko return err; 1971bd2d0837SJiri Pirko } 1972bd2d0837SJiri Pirko #endif 1973bd2d0837SJiri Pirko 197433eaf2a6SDavid Ahern static int team_add_slave(struct net_device *dev, struct net_device *port_dev, 197533eaf2a6SDavid Ahern struct netlink_ext_ack *extack) 19763d249d4cSJiri Pirko { 19773d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 19783d249d4cSJiri Pirko int err; 19793d249d4cSJiri Pirko 198061dc3461SJiri Pirko mutex_lock(&team->lock); 198144d15d93SIdo Schimmel err = team_port_add(team, port_dev, extack); 198261dc3461SJiri Pirko mutex_unlock(&team->lock); 198316cf72bbSXin Long 198416cf72bbSXin Long if (!err) 198516cf72bbSXin Long netdev_change_features(dev); 198616cf72bbSXin Long 19873d249d4cSJiri Pirko return err; 19883d249d4cSJiri Pirko } 19893d249d4cSJiri Pirko 19903d249d4cSJiri Pirko static int team_del_slave(struct net_device *dev, struct net_device *port_dev) 19913d249d4cSJiri Pirko { 19923d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 19933d249d4cSJiri Pirko int err; 19943d249d4cSJiri Pirko 199561dc3461SJiri Pirko mutex_lock(&team->lock); 19963d249d4cSJiri Pirko err = team_port_del(team, port_dev); 199761dc3461SJiri Pirko mutex_unlock(&team->lock); 199816cf72bbSXin Long 1999369f61beSTaehee Yoo if (err) 2000369f61beSTaehee Yoo return err; 2001369f61beSTaehee Yoo 2002369f61beSTaehee Yoo if (netif_is_team_master(port_dev)) { 2003369f61beSTaehee Yoo lockdep_unregister_key(&team->team_lock_key); 2004369f61beSTaehee Yoo lockdep_register_key(&team->team_lock_key); 2005369f61beSTaehee Yoo lockdep_set_class(&team->lock, &team->team_lock_key); 2006369f61beSTaehee Yoo } 200716cf72bbSXin Long netdev_change_features(dev); 200816cf72bbSXin Long 20093d249d4cSJiri Pirko return err; 20103d249d4cSJiri Pirko } 20113d249d4cSJiri Pirko 2012234a8fd4SJiri Pirko static netdev_features_t team_fix_features(struct net_device *dev, 2013234a8fd4SJiri Pirko netdev_features_t features) 2014234a8fd4SJiri Pirko { 2015234a8fd4SJiri Pirko struct team_port *port; 2016234a8fd4SJiri Pirko struct team *team = netdev_priv(dev); 2017234a8fd4SJiri Pirko netdev_features_t mask; 2018234a8fd4SJiri Pirko 20197889cbeeSScott Feldman mask = features; 2020234a8fd4SJiri Pirko features &= ~NETIF_F_ONE_FOR_ALL; 2021234a8fd4SJiri Pirko features |= NETIF_F_ALL_FOR_ALL; 2022234a8fd4SJiri Pirko 2023234a8fd4SJiri Pirko rcu_read_lock(); 2024234a8fd4SJiri Pirko list_for_each_entry_rcu(port, &team->port_list, list) { 2025234a8fd4SJiri Pirko features = netdev_increment_features(features, 2026234a8fd4SJiri Pirko port->dev->features, 2027234a8fd4SJiri Pirko mask); 2028234a8fd4SJiri Pirko } 2029234a8fd4SJiri Pirko rcu_read_unlock(); 2030247f6d0fSJiri Pirko 2031247f6d0fSJiri Pirko features = netdev_add_tso_features(features, mask); 2032247f6d0fSJiri Pirko 2033234a8fd4SJiri Pirko return features; 2034234a8fd4SJiri Pirko } 2035234a8fd4SJiri Pirko 20364cafe373SFlavio Leitner static int team_change_carrier(struct net_device *dev, bool new_carrier) 20374cafe373SFlavio Leitner { 2038e185483eSFlavio Leitner struct team *team = netdev_priv(dev); 2039e185483eSFlavio Leitner 2040e185483eSFlavio Leitner team->user_carrier_enabled = true; 2041e185483eSFlavio Leitner 20424cafe373SFlavio Leitner if (new_carrier) 20434cafe373SFlavio Leitner netif_carrier_on(dev); 20444cafe373SFlavio Leitner else 20454cafe373SFlavio Leitner netif_carrier_off(dev); 20464cafe373SFlavio Leitner return 0; 20474cafe373SFlavio Leitner } 20484cafe373SFlavio Leitner 20493d249d4cSJiri Pirko static const struct net_device_ops team_netdev_ops = { 20503d249d4cSJiri Pirko .ndo_init = team_init, 20513d249d4cSJiri Pirko .ndo_uninit = team_uninit, 20523d249d4cSJiri Pirko .ndo_open = team_open, 20533d249d4cSJiri Pirko .ndo_stop = team_close, 20543d249d4cSJiri Pirko .ndo_start_xmit = team_xmit, 20556c85f2bdSJiri Pirko .ndo_select_queue = team_select_queue, 20563d249d4cSJiri Pirko .ndo_change_rx_flags = team_change_rx_flags, 20573d249d4cSJiri Pirko .ndo_set_rx_mode = team_set_rx_mode, 20583d249d4cSJiri Pirko .ndo_set_mac_address = team_set_mac_address, 20593d249d4cSJiri Pirko .ndo_change_mtu = team_change_mtu, 20603d249d4cSJiri Pirko .ndo_get_stats64 = team_get_stats64, 20613d249d4cSJiri Pirko .ndo_vlan_rx_add_vid = team_vlan_rx_add_vid, 20623d249d4cSJiri Pirko .ndo_vlan_rx_kill_vid = team_vlan_rx_kill_vid, 2063bd2d0837SJiri Pirko #ifdef CONFIG_NET_POLL_CONTROLLER 2064bd2d0837SJiri Pirko .ndo_poll_controller = team_poll_controller, 2065bd2d0837SJiri Pirko .ndo_netpoll_setup = team_netpoll_setup, 2066bd2d0837SJiri Pirko .ndo_netpoll_cleanup = team_netpoll_cleanup, 2067bd2d0837SJiri Pirko #endif 20683d249d4cSJiri Pirko .ndo_add_slave = team_add_slave, 20693d249d4cSJiri Pirko .ndo_del_slave = team_del_slave, 2070234a8fd4SJiri Pirko .ndo_fix_features = team_fix_features, 20714cafe373SFlavio Leitner .ndo_change_carrier = team_change_carrier, 2072b9f4cf75SToshiaki Makita .ndo_features_check = passthru_features_check, 20733d249d4cSJiri Pirko }; 20743d249d4cSJiri Pirko 20757f51c587SFlavio Leitner /*********************** 20767f51c587SFlavio Leitner * ethtool interface 20777f51c587SFlavio Leitner ***********************/ 20787f51c587SFlavio Leitner 20797f51c587SFlavio Leitner static void team_ethtool_get_drvinfo(struct net_device *dev, 20807f51c587SFlavio Leitner struct ethtool_drvinfo *drvinfo) 20817f51c587SFlavio Leitner { 2082fb3ceec1SWolfram Sang strscpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver)); 2083fb3ceec1SWolfram Sang strscpy(drvinfo->version, UTS_RELEASE, sizeof(drvinfo->version)); 20847f51c587SFlavio Leitner } 20857f51c587SFlavio Leitner 20869ed68ca0SHangbin Liu static int team_ethtool_get_link_ksettings(struct net_device *dev, 20879ed68ca0SHangbin Liu struct ethtool_link_ksettings *cmd) 20889ed68ca0SHangbin Liu { 20899ed68ca0SHangbin Liu struct team *team= netdev_priv(dev); 20909ed68ca0SHangbin Liu unsigned long speed = 0; 20919ed68ca0SHangbin Liu struct team_port *port; 20929ed68ca0SHangbin Liu 20939ed68ca0SHangbin Liu cmd->base.duplex = DUPLEX_UNKNOWN; 20949ed68ca0SHangbin Liu cmd->base.port = PORT_OTHER; 20959ed68ca0SHangbin Liu 2096c17e26ddSHangbin Liu rcu_read_lock(); 2097c17e26ddSHangbin Liu list_for_each_entry_rcu(port, &team->port_list, list) { 20989ed68ca0SHangbin Liu if (team_port_txable(port)) { 20999ed68ca0SHangbin Liu if (port->state.speed != SPEED_UNKNOWN) 21009ed68ca0SHangbin Liu speed += port->state.speed; 21019ed68ca0SHangbin Liu if (cmd->base.duplex == DUPLEX_UNKNOWN && 21029ed68ca0SHangbin Liu port->state.duplex != DUPLEX_UNKNOWN) 21039ed68ca0SHangbin Liu cmd->base.duplex = port->state.duplex; 21049ed68ca0SHangbin Liu } 21059ed68ca0SHangbin Liu } 2106c17e26ddSHangbin Liu rcu_read_unlock(); 2107c17e26ddSHangbin Liu 21089ed68ca0SHangbin Liu cmd->base.speed = speed ? : SPEED_UNKNOWN; 21099ed68ca0SHangbin Liu 21109ed68ca0SHangbin Liu return 0; 21119ed68ca0SHangbin Liu } 21129ed68ca0SHangbin Liu 21137f51c587SFlavio Leitner static const struct ethtool_ops team_ethtool_ops = { 21147f51c587SFlavio Leitner .get_drvinfo = team_ethtool_get_drvinfo, 21157f51c587SFlavio Leitner .get_link = ethtool_op_get_link, 21169ed68ca0SHangbin Liu .get_link_ksettings = team_ethtool_get_link_ksettings, 21177f51c587SFlavio Leitner }; 21183d249d4cSJiri Pirko 21193d249d4cSJiri Pirko /*********************** 21203d249d4cSJiri Pirko * rt netlink interface 21213d249d4cSJiri Pirko ***********************/ 21223d249d4cSJiri Pirko 21231d76efe1SJiri Pirko static void team_setup_by_port(struct net_device *dev, 21241d76efe1SJiri Pirko struct net_device *port_dev) 21251d76efe1SJiri Pirko { 21261d76efe1SJiri Pirko dev->header_ops = port_dev->header_ops; 21271d76efe1SJiri Pirko dev->type = port_dev->type; 21281d76efe1SJiri Pirko dev->hard_header_len = port_dev->hard_header_len; 212989d01748SEric Dumazet dev->needed_headroom = port_dev->needed_headroom; 21301d76efe1SJiri Pirko dev->addr_len = port_dev->addr_len; 21311d76efe1SJiri Pirko dev->mtu = port_dev->mtu; 21321d76efe1SJiri Pirko memcpy(dev->broadcast, port_dev->broadcast, port_dev->addr_len); 213393af7357SBjørn Mork eth_hw_addr_inherit(dev, port_dev); 2134fa532beeSHangbin Liu 2135fa532beeSHangbin Liu if (port_dev->flags & IFF_POINTOPOINT) { 2136fa532beeSHangbin Liu dev->flags &= ~(IFF_BROADCAST | IFF_MULTICAST); 2137fa532beeSHangbin Liu dev->flags |= (IFF_POINTOPOINT | IFF_NOARP); 2138fa532beeSHangbin Liu } else if ((port_dev->flags & (IFF_BROADCAST | IFF_MULTICAST)) == 2139fa532beeSHangbin Liu (IFF_BROADCAST | IFF_MULTICAST)) { 2140fa532beeSHangbin Liu dev->flags |= (IFF_BROADCAST | IFF_MULTICAST); 2141fa532beeSHangbin Liu dev->flags &= ~(IFF_POINTOPOINT | IFF_NOARP); 2142fa532beeSHangbin Liu } 21431d76efe1SJiri Pirko } 21441d76efe1SJiri Pirko 21451d76efe1SJiri Pirko static int team_dev_type_check_change(struct net_device *dev, 21461d76efe1SJiri Pirko struct net_device *port_dev) 21471d76efe1SJiri Pirko { 21481d76efe1SJiri Pirko struct team *team = netdev_priv(dev); 21491d76efe1SJiri Pirko char *portname = port_dev->name; 21501d76efe1SJiri Pirko int err; 21511d76efe1SJiri Pirko 21521d76efe1SJiri Pirko if (dev->type == port_dev->type) 21531d76efe1SJiri Pirko return 0; 21541d76efe1SJiri Pirko if (!list_empty(&team->port_list)) { 21551d76efe1SJiri Pirko netdev_err(dev, "Device %s is of different type\n", portname); 21561d76efe1SJiri Pirko return -EBUSY; 21571d76efe1SJiri Pirko } 21581d76efe1SJiri Pirko err = call_netdevice_notifiers(NETDEV_PRE_TYPE_CHANGE, dev); 21591d76efe1SJiri Pirko err = notifier_to_errno(err); 21601d76efe1SJiri Pirko if (err) { 21611d76efe1SJiri Pirko netdev_err(dev, "Refused to change device type\n"); 21621d76efe1SJiri Pirko return err; 21631d76efe1SJiri Pirko } 21641d76efe1SJiri Pirko dev_uc_flush(dev); 21651d76efe1SJiri Pirko dev_mc_flush(dev); 21661d76efe1SJiri Pirko team_setup_by_port(dev, port_dev); 21671d76efe1SJiri Pirko call_netdevice_notifiers(NETDEV_POST_TYPE_CHANGE, dev); 21681d76efe1SJiri Pirko return 0; 21691d76efe1SJiri Pirko } 21701d76efe1SJiri Pirko 21713d249d4cSJiri Pirko static void team_setup(struct net_device *dev) 21723d249d4cSJiri Pirko { 21733d249d4cSJiri Pirko ether_setup(dev); 21743331aa37SJarod Wilson dev->max_mtu = ETH_MAX_MTU; 21753d249d4cSJiri Pirko 21763d249d4cSJiri Pirko dev->netdev_ops = &team_netdev_ops; 21777f51c587SFlavio Leitner dev->ethtool_ops = &team_ethtool_ops; 2178cf124db5SDavid S. Miller dev->needs_free_netdev = true; 2179cf124db5SDavid S. Miller dev->priv_destructor = team_destructor; 21803d249d4cSJiri Pirko dev->priv_flags &= ~(IFF_XMIT_DST_RELEASE | IFF_TX_SKB_SHARING); 218122e380a6SPhil Sutter dev->priv_flags |= IFF_NO_QUEUE; 2182c981e421SJiri Pirko dev->priv_flags |= IFF_TEAM; 21833d249d4cSJiri Pirko 21843d249d4cSJiri Pirko /* 21853d249d4cSJiri Pirko * Indicate we support unicast address filtering. That way core won't 21863d249d4cSJiri Pirko * bring us to promisc mode in case a unicast addr is added. 21873d249d4cSJiri Pirko * Let this up to underlay drivers. 21883d249d4cSJiri Pirko */ 21895a1d1c8cSJiri Pirko dev->priv_flags |= IFF_UNICAST_FLT | IFF_LIVE_ADDR_CHANGE; 21903d249d4cSJiri Pirko 21913d249d4cSJiri Pirko dev->features |= NETIF_F_LLTX; 21923d249d4cSJiri Pirko dev->features |= NETIF_F_GRO; 219399301ba1SWeilong Chen 219499301ba1SWeilong Chen /* Don't allow team devices to change network namespaces. */ 219599301ba1SWeilong Chen dev->features |= NETIF_F_NETNS_LOCAL; 219699301ba1SWeilong Chen 21973ed71471SJiri Pirko dev->hw_features = TEAM_VLAN_FEATURES | 2198f646968fSPatrick McHardy NETIF_F_HW_VLAN_CTAG_RX | 2199f646968fSPatrick McHardy NETIF_F_HW_VLAN_CTAG_FILTER; 22003d249d4cSJiri Pirko 2201ecb8fed4SAlexander Lobakin dev->hw_features |= NETIF_F_GSO_ENCAP_ALL; 22023d249d4cSJiri Pirko dev->features |= dev->hw_features; 2203ee429742SYueHaibing dev->features |= NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_STAG_TX; 22043d249d4cSJiri Pirko } 22053d249d4cSJiri Pirko 22063d249d4cSJiri Pirko static int team_newlink(struct net *src_net, struct net_device *dev, 22077a3f4a18SMatthias Schiffer struct nlattr *tb[], struct nlattr *data[], 22087a3f4a18SMatthias Schiffer struct netlink_ext_ack *extack) 22093d249d4cSJiri Pirko { 22103d249d4cSJiri Pirko if (tb[IFLA_ADDRESS] == NULL) 22117ce5d222SDanny Kukawka eth_hw_addr_random(dev); 22123d249d4cSJiri Pirko 2213ff204cceSToshiaki Makita return register_netdevice(dev); 22143d249d4cSJiri Pirko } 22153d249d4cSJiri Pirko 2216a8b8a889SMatthias Schiffer static int team_validate(struct nlattr *tb[], struct nlattr *data[], 2217a8b8a889SMatthias Schiffer struct netlink_ext_ack *extack) 22183d249d4cSJiri Pirko { 22193d249d4cSJiri Pirko if (tb[IFLA_ADDRESS]) { 22203d249d4cSJiri Pirko if (nla_len(tb[IFLA_ADDRESS]) != ETH_ALEN) 22213d249d4cSJiri Pirko return -EINVAL; 22223d249d4cSJiri Pirko if (!is_valid_ether_addr(nla_data(tb[IFLA_ADDRESS]))) 22233d249d4cSJiri Pirko return -EADDRNOTAVAIL; 22243d249d4cSJiri Pirko } 22253d249d4cSJiri Pirko return 0; 22263d249d4cSJiri Pirko } 22273d249d4cSJiri Pirko 22286c85f2bdSJiri Pirko static unsigned int team_get_num_tx_queues(void) 22296c85f2bdSJiri Pirko { 22306c85f2bdSJiri Pirko return TEAM_DEFAULT_NUM_TX_QUEUES; 22316c85f2bdSJiri Pirko } 22326c85f2bdSJiri Pirko 22336c85f2bdSJiri Pirko static unsigned int team_get_num_rx_queues(void) 22346c85f2bdSJiri Pirko { 22356c85f2bdSJiri Pirko return TEAM_DEFAULT_NUM_RX_QUEUES; 22366c85f2bdSJiri Pirko } 22376c85f2bdSJiri Pirko 22383d249d4cSJiri Pirko static struct rtnl_link_ops team_link_ops __read_mostly = { 22393d249d4cSJiri Pirko .kind = DRV_NAME, 22403d249d4cSJiri Pirko .priv_size = sizeof(struct team), 22413d249d4cSJiri Pirko .setup = team_setup, 22423d249d4cSJiri Pirko .newlink = team_newlink, 22433d249d4cSJiri Pirko .validate = team_validate, 22446c85f2bdSJiri Pirko .get_num_tx_queues = team_get_num_tx_queues, 22456c85f2bdSJiri Pirko .get_num_rx_queues = team_get_num_rx_queues, 22463d249d4cSJiri Pirko }; 22473d249d4cSJiri Pirko 22483d249d4cSJiri Pirko 22493d249d4cSJiri Pirko /*********************************** 22503d249d4cSJiri Pirko * Generic netlink custom interface 22513d249d4cSJiri Pirko ***********************************/ 22523d249d4cSJiri Pirko 2253489111e5SJohannes Berg static struct genl_family team_nl_family; 22543d249d4cSJiri Pirko 22553d249d4cSJiri Pirko static const struct nla_policy team_nl_policy[TEAM_ATTR_MAX + 1] = { 22563d249d4cSJiri Pirko [TEAM_ATTR_UNSPEC] = { .type = NLA_UNSPEC, }, 22573d249d4cSJiri Pirko [TEAM_ATTR_TEAM_IFINDEX] = { .type = NLA_U32 }, 22583d249d4cSJiri Pirko [TEAM_ATTR_LIST_OPTION] = { .type = NLA_NESTED }, 22593d249d4cSJiri Pirko [TEAM_ATTR_LIST_PORT] = { .type = NLA_NESTED }, 22603d249d4cSJiri Pirko }; 22613d249d4cSJiri Pirko 22623d249d4cSJiri Pirko static const struct nla_policy 22633d249d4cSJiri Pirko team_nl_option_policy[TEAM_ATTR_OPTION_MAX + 1] = { 22643d249d4cSJiri Pirko [TEAM_ATTR_OPTION_UNSPEC] = { .type = NLA_UNSPEC, }, 22653d249d4cSJiri Pirko [TEAM_ATTR_OPTION_NAME] = { 22663d249d4cSJiri Pirko .type = NLA_STRING, 22673d249d4cSJiri Pirko .len = TEAM_STRING_MAX_LEN, 22683d249d4cSJiri Pirko }, 22693d249d4cSJiri Pirko [TEAM_ATTR_OPTION_CHANGED] = { .type = NLA_FLAG }, 22703d249d4cSJiri Pirko [TEAM_ATTR_OPTION_TYPE] = { .type = NLA_U8 }, 22712615598fSJiri Pirko [TEAM_ATTR_OPTION_DATA] = { .type = NLA_BINARY }, 2272dd25cb27SJakub Kicinski [TEAM_ATTR_OPTION_PORT_IFINDEX] = { .type = NLA_U32 }, 2273669fcd77SJakub Kicinski [TEAM_ATTR_OPTION_ARRAY_INDEX] = { .type = NLA_U32 }, 22743d249d4cSJiri Pirko }; 22753d249d4cSJiri Pirko 22763d249d4cSJiri Pirko static int team_nl_cmd_noop(struct sk_buff *skb, struct genl_info *info) 22773d249d4cSJiri Pirko { 22783d249d4cSJiri Pirko struct sk_buff *msg; 22793d249d4cSJiri Pirko void *hdr; 22803d249d4cSJiri Pirko int err; 22813d249d4cSJiri Pirko 228258050fceSThomas Graf msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); 22833d249d4cSJiri Pirko if (!msg) 22843d249d4cSJiri Pirko return -ENOMEM; 22853d249d4cSJiri Pirko 228615e47304SEric W. Biederman hdr = genlmsg_put(msg, info->snd_portid, info->snd_seq, 22873d249d4cSJiri Pirko &team_nl_family, 0, TEAM_CMD_NOOP); 2288a326e6ddSWei Yongjun if (!hdr) { 2289a326e6ddSWei Yongjun err = -EMSGSIZE; 22903d249d4cSJiri Pirko goto err_msg_put; 22913d249d4cSJiri Pirko } 22923d249d4cSJiri Pirko 22933d249d4cSJiri Pirko genlmsg_end(msg, hdr); 22943d249d4cSJiri Pirko 229515e47304SEric W. Biederman return genlmsg_unicast(genl_info_net(info), msg, info->snd_portid); 22963d249d4cSJiri Pirko 22973d249d4cSJiri Pirko err_msg_put: 22983d249d4cSJiri Pirko nlmsg_free(msg); 22993d249d4cSJiri Pirko 23003d249d4cSJiri Pirko return err; 23013d249d4cSJiri Pirko } 23023d249d4cSJiri Pirko 23033d249d4cSJiri Pirko /* 23043d249d4cSJiri Pirko * Netlink cmd functions should be locked by following two functions. 23058c0713a5SJiri Pirko * Since dev gets held here, that ensures dev won't disappear in between. 23063d249d4cSJiri Pirko */ 23073d249d4cSJiri Pirko static struct team *team_nl_team_get(struct genl_info *info) 23083d249d4cSJiri Pirko { 23093d249d4cSJiri Pirko struct net *net = genl_info_net(info); 23103d249d4cSJiri Pirko int ifindex; 23113d249d4cSJiri Pirko struct net_device *dev; 23123d249d4cSJiri Pirko struct team *team; 23133d249d4cSJiri Pirko 23143d249d4cSJiri Pirko if (!info->attrs[TEAM_ATTR_TEAM_IFINDEX]) 23153d249d4cSJiri Pirko return NULL; 23163d249d4cSJiri Pirko 23173d249d4cSJiri Pirko ifindex = nla_get_u32(info->attrs[TEAM_ATTR_TEAM_IFINDEX]); 23188c0713a5SJiri Pirko dev = dev_get_by_index(net, ifindex); 23193d249d4cSJiri Pirko if (!dev || dev->netdev_ops != &team_netdev_ops) { 23208c0713a5SJiri Pirko dev_put(dev); 23213d249d4cSJiri Pirko return NULL; 23223d249d4cSJiri Pirko } 23233d249d4cSJiri Pirko 23243d249d4cSJiri Pirko team = netdev_priv(dev); 232561dc3461SJiri Pirko mutex_lock(&team->lock); 23263d249d4cSJiri Pirko return team; 23273d249d4cSJiri Pirko } 23283d249d4cSJiri Pirko 23293d249d4cSJiri Pirko static void team_nl_team_put(struct team *team) 23303d249d4cSJiri Pirko { 233161dc3461SJiri Pirko mutex_unlock(&team->lock); 23328c0713a5SJiri Pirko dev_put(team->dev); 23333d249d4cSJiri Pirko } 23343d249d4cSJiri Pirko 23359b00cf2dSJiri Pirko typedef int team_nl_send_func_t(struct sk_buff *skb, 233615e47304SEric W. Biederman struct team *team, u32 portid); 23379b00cf2dSJiri Pirko 233815e47304SEric W. Biederman static int team_nl_send_unicast(struct sk_buff *skb, struct team *team, u32 portid) 23399b00cf2dSJiri Pirko { 234015e47304SEric W. Biederman return genlmsg_unicast(dev_net(team->dev), skb, portid); 23419b00cf2dSJiri Pirko } 23429b00cf2dSJiri Pirko 234301048d9aSJiri Pirko static int team_nl_fill_one_option_get(struct sk_buff *skb, struct team *team, 234401048d9aSJiri Pirko struct team_option_inst *opt_inst) 23453d249d4cSJiri Pirko { 23463d249d4cSJiri Pirko struct nlattr *option_item; 234780f7c668SJiri Pirko struct team_option *option = opt_inst->option; 23489b00cf2dSJiri Pirko struct team_option_inst_info *opt_inst_info = &opt_inst->info; 234980f7c668SJiri Pirko struct team_gsetter_ctx ctx; 235001048d9aSJiri Pirko int err; 23513d249d4cSJiri Pirko 23529b00cf2dSJiri Pirko ctx.info = opt_inst_info; 23539b00cf2dSJiri Pirko err = team_option_get(team, opt_inst, &ctx); 23549b00cf2dSJiri Pirko if (err) 23559b00cf2dSJiri Pirko return err; 23569b00cf2dSJiri Pirko 2357ae0be8deSMichal Kubecek option_item = nla_nest_start_noflag(skb, TEAM_ATTR_ITEM_OPTION); 23583d249d4cSJiri Pirko if (!option_item) 23599b00cf2dSJiri Pirko return -EMSGSIZE; 236085d59a87SJiri Pirko 23619b00cf2dSJiri Pirko if (nla_put_string(skb, TEAM_ATTR_OPTION_NAME, option->name)) 23629b00cf2dSJiri Pirko goto nest_cancel; 236385d59a87SJiri Pirko if (opt_inst_info->port && 236480f7c668SJiri Pirko nla_put_u32(skb, TEAM_ATTR_OPTION_PORT_IFINDEX, 236585d59a87SJiri Pirko opt_inst_info->port->dev->ifindex)) 23669b00cf2dSJiri Pirko goto nest_cancel; 2367b1303326SJiri Pirko if (opt_inst->option->array_size && 2368b1303326SJiri Pirko nla_put_u32(skb, TEAM_ATTR_OPTION_ARRAY_INDEX, 236985d59a87SJiri Pirko opt_inst_info->array_index)) 23709b00cf2dSJiri Pirko goto nest_cancel; 237185d59a87SJiri Pirko 23723d249d4cSJiri Pirko switch (option->type) { 23733d249d4cSJiri Pirko case TEAM_OPTION_TYPE_U32: 237486ebb02dSDavid S. Miller if (nla_put_u8(skb, TEAM_ATTR_OPTION_TYPE, NLA_U32)) 23759b00cf2dSJiri Pirko goto nest_cancel; 237601048d9aSJiri Pirko if (nla_put_u32(skb, TEAM_ATTR_OPTION_DATA, ctx.data.u32_val)) 23779b00cf2dSJiri Pirko goto nest_cancel; 23783d249d4cSJiri Pirko break; 23793d249d4cSJiri Pirko case TEAM_OPTION_TYPE_STRING: 238086ebb02dSDavid S. Miller if (nla_put_u8(skb, TEAM_ATTR_OPTION_TYPE, NLA_STRING)) 23819b00cf2dSJiri Pirko goto nest_cancel; 238286ebb02dSDavid S. Miller if (nla_put_string(skb, TEAM_ATTR_OPTION_DATA, 238380f7c668SJiri Pirko ctx.data.str_val)) 23849b00cf2dSJiri Pirko goto nest_cancel; 23853d249d4cSJiri Pirko break; 23862615598fSJiri Pirko case TEAM_OPTION_TYPE_BINARY: 23872615598fSJiri Pirko if (nla_put_u8(skb, TEAM_ATTR_OPTION_TYPE, NLA_BINARY)) 23889b00cf2dSJiri Pirko goto nest_cancel; 238901048d9aSJiri Pirko if (nla_put(skb, TEAM_ATTR_OPTION_DATA, ctx.data.bin_val.len, 239001048d9aSJiri Pirko ctx.data.bin_val.ptr)) 23919b00cf2dSJiri Pirko goto nest_cancel; 23922615598fSJiri Pirko break; 239314f066baSJiri Pirko case TEAM_OPTION_TYPE_BOOL: 239414f066baSJiri Pirko if (nla_put_u8(skb, TEAM_ATTR_OPTION_TYPE, NLA_FLAG)) 23959b00cf2dSJiri Pirko goto nest_cancel; 239614f066baSJiri Pirko if (ctx.data.bool_val && 239714f066baSJiri Pirko nla_put_flag(skb, TEAM_ATTR_OPTION_DATA)) 23989b00cf2dSJiri Pirko goto nest_cancel; 239914f066baSJiri Pirko break; 240069821638SJiri Pirko case TEAM_OPTION_TYPE_S32: 240169821638SJiri Pirko if (nla_put_u8(skb, TEAM_ATTR_OPTION_TYPE, NLA_S32)) 240269821638SJiri Pirko goto nest_cancel; 240369821638SJiri Pirko if (nla_put_s32(skb, TEAM_ATTR_OPTION_DATA, ctx.data.s32_val)) 240469821638SJiri Pirko goto nest_cancel; 240569821638SJiri Pirko break; 24063d249d4cSJiri Pirko default: 24073d249d4cSJiri Pirko BUG(); 24083d249d4cSJiri Pirko } 24099b00cf2dSJiri Pirko if (opt_inst->removed && nla_put_flag(skb, TEAM_ATTR_OPTION_REMOVED)) 24109b00cf2dSJiri Pirko goto nest_cancel; 24119b00cf2dSJiri Pirko if (opt_inst->changed) { 24129b00cf2dSJiri Pirko if (nla_put_flag(skb, TEAM_ATTR_OPTION_CHANGED)) 24139b00cf2dSJiri Pirko goto nest_cancel; 24149b00cf2dSJiri Pirko opt_inst->changed = false; 24159b00cf2dSJiri Pirko } 24163d249d4cSJiri Pirko nla_nest_end(skb, option_item); 241701048d9aSJiri Pirko return 0; 241801048d9aSJiri Pirko 24199b00cf2dSJiri Pirko nest_cancel: 24209b00cf2dSJiri Pirko nla_nest_cancel(skb, option_item); 24219b00cf2dSJiri Pirko return -EMSGSIZE; 242201048d9aSJiri Pirko } 242301048d9aSJiri Pirko 24249b00cf2dSJiri Pirko static int __send_and_alloc_skb(struct sk_buff **pskb, 242515e47304SEric W. Biederman struct team *team, u32 portid, 24269b00cf2dSJiri Pirko team_nl_send_func_t *send_func) 24279b00cf2dSJiri Pirko { 24289b00cf2dSJiri Pirko int err; 24299b00cf2dSJiri Pirko 24309b00cf2dSJiri Pirko if (*pskb) { 243115e47304SEric W. Biederman err = send_func(*pskb, team, portid); 24329b00cf2dSJiri Pirko if (err) 24339b00cf2dSJiri Pirko return err; 24349b00cf2dSJiri Pirko } 243558050fceSThomas Graf *pskb = genlmsg_new(GENLMSG_DEFAULT_SIZE, GFP_KERNEL); 24369b00cf2dSJiri Pirko if (!*pskb) 24379b00cf2dSJiri Pirko return -ENOMEM; 24389b00cf2dSJiri Pirko return 0; 24399b00cf2dSJiri Pirko } 24409b00cf2dSJiri Pirko 244115e47304SEric W. Biederman static int team_nl_send_options_get(struct team *team, u32 portid, u32 seq, 24429b00cf2dSJiri Pirko int flags, team_nl_send_func_t *send_func, 244301048d9aSJiri Pirko struct list_head *sel_opt_inst_list) 244401048d9aSJiri Pirko { 244501048d9aSJiri Pirko struct nlattr *option_list; 24469b00cf2dSJiri Pirko struct nlmsghdr *nlh; 244701048d9aSJiri Pirko void *hdr; 244801048d9aSJiri Pirko struct team_option_inst *opt_inst; 244901048d9aSJiri Pirko int err; 24509b00cf2dSJiri Pirko struct sk_buff *skb = NULL; 24519b00cf2dSJiri Pirko bool incomplete; 24529b00cf2dSJiri Pirko int i; 245301048d9aSJiri Pirko 24549b00cf2dSJiri Pirko opt_inst = list_first_entry(sel_opt_inst_list, 24559b00cf2dSJiri Pirko struct team_option_inst, tmp_list); 24569b00cf2dSJiri Pirko 24579b00cf2dSJiri Pirko start_again: 245815e47304SEric W. Biederman err = __send_and_alloc_skb(&skb, team, portid, send_func); 24599b00cf2dSJiri Pirko if (err) 24609b00cf2dSJiri Pirko return err; 24619b00cf2dSJiri Pirko 246215e47304SEric W. Biederman hdr = genlmsg_put(skb, portid, seq, &team_nl_family, flags | NLM_F_MULTI, 246301048d9aSJiri Pirko TEAM_CMD_OPTIONS_GET); 246472ec0bc6SPan Bian if (!hdr) { 246572ec0bc6SPan Bian nlmsg_free(skb); 2466a326e6ddSWei Yongjun return -EMSGSIZE; 246772ec0bc6SPan Bian } 246801048d9aSJiri Pirko 246901048d9aSJiri Pirko if (nla_put_u32(skb, TEAM_ATTR_TEAM_IFINDEX, team->dev->ifindex)) 247001048d9aSJiri Pirko goto nla_put_failure; 2471ae0be8deSMichal Kubecek option_list = nla_nest_start_noflag(skb, TEAM_ATTR_LIST_OPTION); 247201048d9aSJiri Pirko if (!option_list) 247301048d9aSJiri Pirko goto nla_put_failure; 247401048d9aSJiri Pirko 24759b00cf2dSJiri Pirko i = 0; 24769b00cf2dSJiri Pirko incomplete = false; 24779b00cf2dSJiri Pirko list_for_each_entry_from(opt_inst, sel_opt_inst_list, tmp_list) { 247801048d9aSJiri Pirko err = team_nl_fill_one_option_get(skb, team, opt_inst); 24799b00cf2dSJiri Pirko if (err) { 24809b00cf2dSJiri Pirko if (err == -EMSGSIZE) { 24819b00cf2dSJiri Pirko if (!i) 248201048d9aSJiri Pirko goto errout; 24839b00cf2dSJiri Pirko incomplete = true; 24849b00cf2dSJiri Pirko break; 24859b00cf2dSJiri Pirko } 24869b00cf2dSJiri Pirko goto errout; 24879b00cf2dSJiri Pirko } 24889b00cf2dSJiri Pirko i++; 24893d249d4cSJiri Pirko } 24903d249d4cSJiri Pirko 24913d249d4cSJiri Pirko nla_nest_end(skb, option_list); 24929b00cf2dSJiri Pirko genlmsg_end(skb, hdr); 24939b00cf2dSJiri Pirko if (incomplete) 24949b00cf2dSJiri Pirko goto start_again; 24959b00cf2dSJiri Pirko 24969b00cf2dSJiri Pirko send_done: 249715e47304SEric W. Biederman nlh = nlmsg_put(skb, portid, seq, NLMSG_DONE, 0, flags | NLM_F_MULTI); 24989b00cf2dSJiri Pirko if (!nlh) { 249915e47304SEric W. Biederman err = __send_and_alloc_skb(&skb, team, portid, send_func); 25009b00cf2dSJiri Pirko if (err) 2501cbcc607eSArkadi Sharshevsky return err; 25029b00cf2dSJiri Pirko goto send_done; 25039b00cf2dSJiri Pirko } 25049b00cf2dSJiri Pirko 250515e47304SEric W. Biederman return send_func(skb, team, portid); 25063d249d4cSJiri Pirko 25073d249d4cSJiri Pirko nla_put_failure: 250880f7c668SJiri Pirko err = -EMSGSIZE; 250980f7c668SJiri Pirko errout: 25109b00cf2dSJiri Pirko nlmsg_free(skb); 251180f7c668SJiri Pirko return err; 25123d249d4cSJiri Pirko } 25133d249d4cSJiri Pirko 25143d249d4cSJiri Pirko static int team_nl_cmd_options_get(struct sk_buff *skb, struct genl_info *info) 25153d249d4cSJiri Pirko { 25163d249d4cSJiri Pirko struct team *team; 25179b00cf2dSJiri Pirko struct team_option_inst *opt_inst; 25183d249d4cSJiri Pirko int err; 25199b00cf2dSJiri Pirko LIST_HEAD(sel_opt_inst_list); 25203d249d4cSJiri Pirko 25213d249d4cSJiri Pirko team = team_nl_team_get(info); 25223d249d4cSJiri Pirko if (!team) 25233d249d4cSJiri Pirko return -EINVAL; 25243d249d4cSJiri Pirko 25259b00cf2dSJiri Pirko list_for_each_entry(opt_inst, &team->option_inst_list, list) 25269b00cf2dSJiri Pirko list_add_tail(&opt_inst->tmp_list, &sel_opt_inst_list); 252715e47304SEric W. Biederman err = team_nl_send_options_get(team, info->snd_portid, info->snd_seq, 25289b00cf2dSJiri Pirko NLM_F_ACK, team_nl_send_unicast, 25299b00cf2dSJiri Pirko &sel_opt_inst_list); 25303d249d4cSJiri Pirko 25313d249d4cSJiri Pirko team_nl_team_put(team); 25323d249d4cSJiri Pirko 25333d249d4cSJiri Pirko return err; 25343d249d4cSJiri Pirko } 25353d249d4cSJiri Pirko 25362fcdb2c9SJiri Pirko static int team_nl_send_event_options_get(struct team *team, 25372fcdb2c9SJiri Pirko struct list_head *sel_opt_inst_list); 25382fcdb2c9SJiri Pirko 25393d249d4cSJiri Pirko static int team_nl_cmd_options_set(struct sk_buff *skb, struct genl_info *info) 25403d249d4cSJiri Pirko { 25413d249d4cSJiri Pirko struct team *team; 25423d249d4cSJiri Pirko int err = 0; 25433d249d4cSJiri Pirko int i; 25443d249d4cSJiri Pirko struct nlattr *nl_option; 25453d249d4cSJiri Pirko 25467d259505SJiri Pirko rtnl_lock(); 25477d259505SJiri Pirko 25483d249d4cSJiri Pirko team = team_nl_team_get(info); 25497d259505SJiri Pirko if (!team) { 25507d259505SJiri Pirko err = -EINVAL; 25517d259505SJiri Pirko goto rtnl_unlock; 25527d259505SJiri Pirko } 25533d249d4cSJiri Pirko 25543d249d4cSJiri Pirko err = -EINVAL; 25553d249d4cSJiri Pirko if (!info->attrs[TEAM_ATTR_LIST_OPTION]) { 25563d249d4cSJiri Pirko err = -EINVAL; 25573d249d4cSJiri Pirko goto team_put; 25583d249d4cSJiri Pirko } 25593d249d4cSJiri Pirko 25603d249d4cSJiri Pirko nla_for_each_nested(nl_option, info->attrs[TEAM_ATTR_LIST_OPTION], i) { 256180f7c668SJiri Pirko struct nlattr *opt_attrs[TEAM_ATTR_OPTION_MAX + 1]; 2562b1303326SJiri Pirko struct nlattr *attr; 256314f066baSJiri Pirko struct nlattr *attr_data; 25642fdeee25SCong Wang LIST_HEAD(opt_inst_list); 25653d249d4cSJiri Pirko enum team_option_type opt_type; 256680f7c668SJiri Pirko int opt_port_ifindex = 0; /* != 0 for per-port options */ 2567b1303326SJiri Pirko u32 opt_array_index = 0; 2568b1303326SJiri Pirko bool opt_is_array = false; 256980f7c668SJiri Pirko struct team_option_inst *opt_inst; 25703d249d4cSJiri Pirko char *opt_name; 25713d249d4cSJiri Pirko bool opt_found = false; 25723d249d4cSJiri Pirko 25733d249d4cSJiri Pirko if (nla_type(nl_option) != TEAM_ATTR_ITEM_OPTION) { 25743d249d4cSJiri Pirko err = -EINVAL; 25753d249d4cSJiri Pirko goto team_put; 25763d249d4cSJiri Pirko } 25778cb08174SJohannes Berg err = nla_parse_nested_deprecated(opt_attrs, 25788cb08174SJohannes Berg TEAM_ATTR_OPTION_MAX, 25798cb08174SJohannes Berg nl_option, 25808cb08174SJohannes Berg team_nl_option_policy, 2581fe52145fSJohannes Berg info->extack); 25823d249d4cSJiri Pirko if (err) 25833d249d4cSJiri Pirko goto team_put; 258480f7c668SJiri Pirko if (!opt_attrs[TEAM_ATTR_OPTION_NAME] || 258514f066baSJiri Pirko !opt_attrs[TEAM_ATTR_OPTION_TYPE]) { 25863d249d4cSJiri Pirko err = -EINVAL; 25873d249d4cSJiri Pirko goto team_put; 25883d249d4cSJiri Pirko } 258980f7c668SJiri Pirko switch (nla_get_u8(opt_attrs[TEAM_ATTR_OPTION_TYPE])) { 25903d249d4cSJiri Pirko case NLA_U32: 25913d249d4cSJiri Pirko opt_type = TEAM_OPTION_TYPE_U32; 25923d249d4cSJiri Pirko break; 25933d249d4cSJiri Pirko case NLA_STRING: 25943d249d4cSJiri Pirko opt_type = TEAM_OPTION_TYPE_STRING; 25953d249d4cSJiri Pirko break; 25962615598fSJiri Pirko case NLA_BINARY: 25972615598fSJiri Pirko opt_type = TEAM_OPTION_TYPE_BINARY; 25982615598fSJiri Pirko break; 259914f066baSJiri Pirko case NLA_FLAG: 260014f066baSJiri Pirko opt_type = TEAM_OPTION_TYPE_BOOL; 260114f066baSJiri Pirko break; 260269821638SJiri Pirko case NLA_S32: 260369821638SJiri Pirko opt_type = TEAM_OPTION_TYPE_S32; 260469821638SJiri Pirko break; 26053d249d4cSJiri Pirko default: 26063d249d4cSJiri Pirko goto team_put; 26073d249d4cSJiri Pirko } 26083d249d4cSJiri Pirko 260914f066baSJiri Pirko attr_data = opt_attrs[TEAM_ATTR_OPTION_DATA]; 261014f066baSJiri Pirko if (opt_type != TEAM_OPTION_TYPE_BOOL && !attr_data) { 261114f066baSJiri Pirko err = -EINVAL; 261214f066baSJiri Pirko goto team_put; 261314f066baSJiri Pirko } 261414f066baSJiri Pirko 261580f7c668SJiri Pirko opt_name = nla_data(opt_attrs[TEAM_ATTR_OPTION_NAME]); 2616b1303326SJiri Pirko attr = opt_attrs[TEAM_ATTR_OPTION_PORT_IFINDEX]; 2617b1303326SJiri Pirko if (attr) 2618b1303326SJiri Pirko opt_port_ifindex = nla_get_u32(attr); 2619b1303326SJiri Pirko 2620b1303326SJiri Pirko attr = opt_attrs[TEAM_ATTR_OPTION_ARRAY_INDEX]; 2621b1303326SJiri Pirko if (attr) { 2622b1303326SJiri Pirko opt_is_array = true; 2623b1303326SJiri Pirko opt_array_index = nla_get_u32(attr); 2624b1303326SJiri Pirko } 26253d249d4cSJiri Pirko 262680f7c668SJiri Pirko list_for_each_entry(opt_inst, &team->option_inst_list, list) { 262780f7c668SJiri Pirko struct team_option *option = opt_inst->option; 262880f7c668SJiri Pirko struct team_gsetter_ctx ctx; 262985d59a87SJiri Pirko struct team_option_inst_info *opt_inst_info; 263080f7c668SJiri Pirko int tmp_ifindex; 263180f7c668SJiri Pirko 263285d59a87SJiri Pirko opt_inst_info = &opt_inst->info; 263385d59a87SJiri Pirko tmp_ifindex = opt_inst_info->port ? 263485d59a87SJiri Pirko opt_inst_info->port->dev->ifindex : 0; 26353d249d4cSJiri Pirko if (option->type != opt_type || 263680f7c668SJiri Pirko strcmp(option->name, opt_name) || 2637b1303326SJiri Pirko tmp_ifindex != opt_port_ifindex || 2638b1303326SJiri Pirko (option->array_size && !opt_is_array) || 263985d59a87SJiri Pirko opt_inst_info->array_index != opt_array_index) 26403d249d4cSJiri Pirko continue; 26413d249d4cSJiri Pirko opt_found = true; 264285d59a87SJiri Pirko ctx.info = opt_inst_info; 26433d249d4cSJiri Pirko switch (opt_type) { 26443d249d4cSJiri Pirko case TEAM_OPTION_TYPE_U32: 264514f066baSJiri Pirko ctx.data.u32_val = nla_get_u32(attr_data); 26463d249d4cSJiri Pirko break; 26473d249d4cSJiri Pirko case TEAM_OPTION_TYPE_STRING: 264814f066baSJiri Pirko if (nla_len(attr_data) > TEAM_STRING_MAX_LEN) { 26492615598fSJiri Pirko err = -EINVAL; 26502615598fSJiri Pirko goto team_put; 26512615598fSJiri Pirko } 265214f066baSJiri Pirko ctx.data.str_val = nla_data(attr_data); 26533d249d4cSJiri Pirko break; 26542615598fSJiri Pirko case TEAM_OPTION_TYPE_BINARY: 265514f066baSJiri Pirko ctx.data.bin_val.len = nla_len(attr_data); 265614f066baSJiri Pirko ctx.data.bin_val.ptr = nla_data(attr_data); 265714f066baSJiri Pirko break; 265814f066baSJiri Pirko case TEAM_OPTION_TYPE_BOOL: 265914f066baSJiri Pirko ctx.data.bool_val = attr_data ? true : false; 26602615598fSJiri Pirko break; 266169821638SJiri Pirko case TEAM_OPTION_TYPE_S32: 266269821638SJiri Pirko ctx.data.s32_val = nla_get_s32(attr_data); 266369821638SJiri Pirko break; 26643d249d4cSJiri Pirko default: 26653d249d4cSJiri Pirko BUG(); 26663d249d4cSJiri Pirko } 266780f7c668SJiri Pirko err = team_option_set(team, opt_inst, &ctx); 26683d249d4cSJiri Pirko if (err) 26693d249d4cSJiri Pirko goto team_put; 26702fcdb2c9SJiri Pirko opt_inst->changed = true; 26712fcdb2c9SJiri Pirko list_add(&opt_inst->tmp_list, &opt_inst_list); 26723d249d4cSJiri Pirko } 26733d249d4cSJiri Pirko if (!opt_found) { 26743d249d4cSJiri Pirko err = -ENOENT; 26753d249d4cSJiri Pirko goto team_put; 26763d249d4cSJiri Pirko } 26773d249d4cSJiri Pirko 26782fcdb2c9SJiri Pirko err = team_nl_send_event_options_get(team, &opt_inst_list); 26792fdeee25SCong Wang if (err) 26802fdeee25SCong Wang break; 26812fdeee25SCong Wang } 26822fcdb2c9SJiri Pirko 26833d249d4cSJiri Pirko team_put: 26843d249d4cSJiri Pirko team_nl_team_put(team); 26857d259505SJiri Pirko rtnl_unlock: 26867d259505SJiri Pirko rtnl_unlock(); 26873d249d4cSJiri Pirko return err; 26883d249d4cSJiri Pirko } 26893d249d4cSJiri Pirko 2690d90f889eSJiri Pirko static int team_nl_fill_one_port_get(struct sk_buff *skb, 2691d90f889eSJiri Pirko struct team_port *port) 2692d90f889eSJiri Pirko { 2693d90f889eSJiri Pirko struct nlattr *port_item; 2694d90f889eSJiri Pirko 2695ae0be8deSMichal Kubecek port_item = nla_nest_start_noflag(skb, TEAM_ATTR_ITEM_PORT); 2696d90f889eSJiri Pirko if (!port_item) 2697d90f889eSJiri Pirko goto nest_cancel; 2698d90f889eSJiri Pirko if (nla_put_u32(skb, TEAM_ATTR_PORT_IFINDEX, port->dev->ifindex)) 2699d90f889eSJiri Pirko goto nest_cancel; 2700d90f889eSJiri Pirko if (port->changed) { 2701d90f889eSJiri Pirko if (nla_put_flag(skb, TEAM_ATTR_PORT_CHANGED)) 2702d90f889eSJiri Pirko goto nest_cancel; 2703d90f889eSJiri Pirko port->changed = false; 2704d90f889eSJiri Pirko } 2705d90f889eSJiri Pirko if ((port->removed && 2706d90f889eSJiri Pirko nla_put_flag(skb, TEAM_ATTR_PORT_REMOVED)) || 2707d90f889eSJiri Pirko (port->state.linkup && 2708d90f889eSJiri Pirko nla_put_flag(skb, TEAM_ATTR_PORT_LINKUP)) || 2709d90f889eSJiri Pirko nla_put_u32(skb, TEAM_ATTR_PORT_SPEED, port->state.speed) || 2710d90f889eSJiri Pirko nla_put_u8(skb, TEAM_ATTR_PORT_DUPLEX, port->state.duplex)) 2711d90f889eSJiri Pirko goto nest_cancel; 2712d90f889eSJiri Pirko nla_nest_end(skb, port_item); 2713d90f889eSJiri Pirko return 0; 2714d90f889eSJiri Pirko 2715d90f889eSJiri Pirko nest_cancel: 2716d90f889eSJiri Pirko nla_nest_cancel(skb, port_item); 2717d90f889eSJiri Pirko return -EMSGSIZE; 2718d90f889eSJiri Pirko } 2719d90f889eSJiri Pirko 2720d90f889eSJiri Pirko static int team_nl_send_port_list_get(struct team *team, u32 portid, u32 seq, 2721d90f889eSJiri Pirko int flags, team_nl_send_func_t *send_func, 2722d90f889eSJiri Pirko struct team_port *one_port) 27233d249d4cSJiri Pirko { 27243d249d4cSJiri Pirko struct nlattr *port_list; 2725d90f889eSJiri Pirko struct nlmsghdr *nlh; 27263d249d4cSJiri Pirko void *hdr; 27273d249d4cSJiri Pirko struct team_port *port; 2728d90f889eSJiri Pirko int err; 2729d90f889eSJiri Pirko struct sk_buff *skb = NULL; 2730d90f889eSJiri Pirko bool incomplete; 2731d90f889eSJiri Pirko int i; 27323d249d4cSJiri Pirko 27333f3e7ce4SJiri Pirko port = list_first_entry_or_null(&team->port_list, 27343f3e7ce4SJiri Pirko struct team_port, list); 2735d90f889eSJiri Pirko 2736d90f889eSJiri Pirko start_again: 2737d90f889eSJiri Pirko err = __send_and_alloc_skb(&skb, team, portid, send_func); 2738d90f889eSJiri Pirko if (err) 2739d90f889eSJiri Pirko return err; 2740d90f889eSJiri Pirko 2741d90f889eSJiri Pirko hdr = genlmsg_put(skb, portid, seq, &team_nl_family, flags | NLM_F_MULTI, 27423d249d4cSJiri Pirko TEAM_CMD_PORT_LIST_GET); 274372ec0bc6SPan Bian if (!hdr) { 274472ec0bc6SPan Bian nlmsg_free(skb); 2745a326e6ddSWei Yongjun return -EMSGSIZE; 274672ec0bc6SPan Bian } 27473d249d4cSJiri Pirko 274886ebb02dSDavid S. Miller if (nla_put_u32(skb, TEAM_ATTR_TEAM_IFINDEX, team->dev->ifindex)) 274986ebb02dSDavid S. Miller goto nla_put_failure; 2750ae0be8deSMichal Kubecek port_list = nla_nest_start_noflag(skb, TEAM_ATTR_LIST_PORT); 27513d249d4cSJiri Pirko if (!port_list) 27523221c646SJiri Pirko goto nla_put_failure; 27533d249d4cSJiri Pirko 2754d90f889eSJiri Pirko i = 0; 2755d90f889eSJiri Pirko incomplete = false; 27563d249d4cSJiri Pirko 2757d90f889eSJiri Pirko /* If one port is selected, called wants to send port list containing 2758d90f889eSJiri Pirko * only this port. Otherwise go through all listed ports and send all 2759d90f889eSJiri Pirko */ 2760d90f889eSJiri Pirko if (one_port) { 2761d90f889eSJiri Pirko err = team_nl_fill_one_port_get(skb, one_port); 2762d90f889eSJiri Pirko if (err) 2763d90f889eSJiri Pirko goto errout; 27643f3e7ce4SJiri Pirko } else if (port) { 27653f3e7ce4SJiri Pirko list_for_each_entry_from(port, &team->port_list, list) { 2766d90f889eSJiri Pirko err = team_nl_fill_one_port_get(skb, port); 2767d90f889eSJiri Pirko if (err) { 2768d90f889eSJiri Pirko if (err == -EMSGSIZE) { 2769d90f889eSJiri Pirko if (!i) 2770d90f889eSJiri Pirko goto errout; 2771d90f889eSJiri Pirko incomplete = true; 2772d90f889eSJiri Pirko break; 2773b82b9183SJiri Pirko } 2774d90f889eSJiri Pirko goto errout; 2775d90f889eSJiri Pirko } 2776d90f889eSJiri Pirko i++; 2777d90f889eSJiri Pirko } 27783d249d4cSJiri Pirko } 27793d249d4cSJiri Pirko 27803d249d4cSJiri Pirko nla_nest_end(skb, port_list); 2781d90f889eSJiri Pirko genlmsg_end(skb, hdr); 2782d90f889eSJiri Pirko if (incomplete) 2783d90f889eSJiri Pirko goto start_again; 27843d249d4cSJiri Pirko 2785d90f889eSJiri Pirko send_done: 2786d90f889eSJiri Pirko nlh = nlmsg_put(skb, portid, seq, NLMSG_DONE, 0, flags | NLM_F_MULTI); 2787d90f889eSJiri Pirko if (!nlh) { 2788d90f889eSJiri Pirko err = __send_and_alloc_skb(&skb, team, portid, send_func); 2789d90f889eSJiri Pirko if (err) 2790cbcc607eSArkadi Sharshevsky return err; 2791d90f889eSJiri Pirko goto send_done; 27923d249d4cSJiri Pirko } 27933d249d4cSJiri Pirko 2794d90f889eSJiri Pirko return send_func(skb, team, portid); 2795d90f889eSJiri Pirko 2796d90f889eSJiri Pirko nla_put_failure: 2797d90f889eSJiri Pirko err = -EMSGSIZE; 2798d90f889eSJiri Pirko errout: 2799d90f889eSJiri Pirko nlmsg_free(skb); 2800d90f889eSJiri Pirko return err; 28013d249d4cSJiri Pirko } 28023d249d4cSJiri Pirko 28033d249d4cSJiri Pirko static int team_nl_cmd_port_list_get(struct sk_buff *skb, 28043d249d4cSJiri Pirko struct genl_info *info) 28053d249d4cSJiri Pirko { 28063d249d4cSJiri Pirko struct team *team; 28073d249d4cSJiri Pirko int err; 28083d249d4cSJiri Pirko 28093d249d4cSJiri Pirko team = team_nl_team_get(info); 28103d249d4cSJiri Pirko if (!team) 28113d249d4cSJiri Pirko return -EINVAL; 28123d249d4cSJiri Pirko 2813d90f889eSJiri Pirko err = team_nl_send_port_list_get(team, info->snd_portid, info->snd_seq, 2814d90f889eSJiri Pirko NLM_F_ACK, team_nl_send_unicast, NULL); 28153d249d4cSJiri Pirko 28163d249d4cSJiri Pirko team_nl_team_put(team); 28173d249d4cSJiri Pirko 28183d249d4cSJiri Pirko return err; 28193d249d4cSJiri Pirko } 28203d249d4cSJiri Pirko 282166a9b928SJakub Kicinski static const struct genl_small_ops team_nl_ops[] = { 28223d249d4cSJiri Pirko { 28233d249d4cSJiri Pirko .cmd = TEAM_CMD_NOOP, 2824ef6243acSJohannes Berg .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, 28253d249d4cSJiri Pirko .doit = team_nl_cmd_noop, 28263d249d4cSJiri Pirko }, 28273d249d4cSJiri Pirko { 28283d249d4cSJiri Pirko .cmd = TEAM_CMD_OPTIONS_SET, 2829ef6243acSJohannes Berg .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, 28303d249d4cSJiri Pirko .doit = team_nl_cmd_options_set, 28313d249d4cSJiri Pirko .flags = GENL_ADMIN_PERM, 28323d249d4cSJiri Pirko }, 28333d249d4cSJiri Pirko { 28343d249d4cSJiri Pirko .cmd = TEAM_CMD_OPTIONS_GET, 2835ef6243acSJohannes Berg .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, 28363d249d4cSJiri Pirko .doit = team_nl_cmd_options_get, 28373d249d4cSJiri Pirko .flags = GENL_ADMIN_PERM, 28383d249d4cSJiri Pirko }, 28393d249d4cSJiri Pirko { 28403d249d4cSJiri Pirko .cmd = TEAM_CMD_PORT_LIST_GET, 2841ef6243acSJohannes Berg .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, 28423d249d4cSJiri Pirko .doit = team_nl_cmd_port_list_get, 28433d249d4cSJiri Pirko .flags = GENL_ADMIN_PERM, 28443d249d4cSJiri Pirko }, 28453d249d4cSJiri Pirko }; 28463d249d4cSJiri Pirko 28472a94fe48SJohannes Berg static const struct genl_multicast_group team_nl_mcgrps[] = { 28482a94fe48SJohannes Berg { .name = TEAM_GENL_CHANGE_EVENT_MC_GRP_NAME, }, 28493d249d4cSJiri Pirko }; 28503d249d4cSJiri Pirko 285156989f6dSJohannes Berg static struct genl_family team_nl_family __ro_after_init = { 2852489111e5SJohannes Berg .name = TEAM_GENL_NAME, 2853489111e5SJohannes Berg .version = TEAM_GENL_VERSION, 2854489111e5SJohannes Berg .maxattr = TEAM_ATTR_MAX, 28553b0f31f2SJohannes Berg .policy = team_nl_policy, 2856489111e5SJohannes Berg .netnsok = true, 2857489111e5SJohannes Berg .module = THIS_MODULE, 285866a9b928SJakub Kicinski .small_ops = team_nl_ops, 285966a9b928SJakub Kicinski .n_small_ops = ARRAY_SIZE(team_nl_ops), 28609c5d03d3SJakub Kicinski .resv_start_op = TEAM_CMD_PORT_LIST_GET + 1, 2861489111e5SJohannes Berg .mcgrps = team_nl_mcgrps, 2862489111e5SJohannes Berg .n_mcgrps = ARRAY_SIZE(team_nl_mcgrps), 2863489111e5SJohannes Berg }; 2864489111e5SJohannes Berg 28659b00cf2dSJiri Pirko static int team_nl_send_multicast(struct sk_buff *skb, 286615e47304SEric W. Biederman struct team *team, u32 portid) 28679b00cf2dSJiri Pirko { 286868eb5503SJohannes Berg return genlmsg_multicast_netns(&team_nl_family, dev_net(team->dev), 28692a94fe48SJohannes Berg skb, 0, 0, GFP_KERNEL); 28709b00cf2dSJiri Pirko } 28719b00cf2dSJiri Pirko 287201048d9aSJiri Pirko static int team_nl_send_event_options_get(struct team *team, 287301048d9aSJiri Pirko struct list_head *sel_opt_inst_list) 28743d249d4cSJiri Pirko { 28759b00cf2dSJiri Pirko return team_nl_send_options_get(team, 0, 0, 0, team_nl_send_multicast, 28769b00cf2dSJiri Pirko sel_opt_inst_list); 28773d249d4cSJiri Pirko } 28783d249d4cSJiri Pirko 2879d90f889eSJiri Pirko static int team_nl_send_event_port_get(struct team *team, 2880d90f889eSJiri Pirko struct team_port *port) 28813d249d4cSJiri Pirko { 2882d90f889eSJiri Pirko return team_nl_send_port_list_get(team, 0, 0, 0, team_nl_send_multicast, 2883d90f889eSJiri Pirko port); 28843d249d4cSJiri Pirko } 28853d249d4cSJiri Pirko 288656989f6dSJohannes Berg static int __init team_nl_init(void) 28873d249d4cSJiri Pirko { 2888489111e5SJohannes Berg return genl_register_family(&team_nl_family); 28893d249d4cSJiri Pirko } 28903d249d4cSJiri Pirko 28918958ef51SZhengchao Shao static void __exit team_nl_fini(void) 28923d249d4cSJiri Pirko { 28933d249d4cSJiri Pirko genl_unregister_family(&team_nl_family); 28943d249d4cSJiri Pirko } 28953d249d4cSJiri Pirko 28963d249d4cSJiri Pirko 28973d249d4cSJiri Pirko /****************** 28983d249d4cSJiri Pirko * Change checkers 28993d249d4cSJiri Pirko ******************/ 29003d249d4cSJiri Pirko 2901b82b9183SJiri Pirko static void __team_options_change_check(struct team *team) 29023d249d4cSJiri Pirko { 29033d249d4cSJiri Pirko int err; 290401048d9aSJiri Pirko struct team_option_inst *opt_inst; 290501048d9aSJiri Pirko LIST_HEAD(sel_opt_inst_list); 29063d249d4cSJiri Pirko 290701048d9aSJiri Pirko list_for_each_entry(opt_inst, &team->option_inst_list, list) { 290801048d9aSJiri Pirko if (opt_inst->changed) 290901048d9aSJiri Pirko list_add_tail(&opt_inst->tmp_list, &sel_opt_inst_list); 291001048d9aSJiri Pirko } 291101048d9aSJiri Pirko err = team_nl_send_event_options_get(team, &sel_opt_inst_list); 29120c7517e9SJiri Pirko if (err && err != -ESRCH) 29139b00cf2dSJiri Pirko netdev_warn(team->dev, "Failed to send options change via netlink (err %d)\n", 29149b00cf2dSJiri Pirko err); 29153d249d4cSJiri Pirko } 29163d249d4cSJiri Pirko 29173d249d4cSJiri Pirko /* rtnl lock is held */ 291810f3f51dSJiri Pirko 291910f3f51dSJiri Pirko static void __team_port_change_send(struct team_port *port, bool linkup) 29203d249d4cSJiri Pirko { 29213d249d4cSJiri Pirko int err; 29223d249d4cSJiri Pirko 2923b82b9183SJiri Pirko port->changed = true; 292471472ec1SJiri Pirko port->state.linkup = linkup; 292571472ec1SJiri Pirko team_refresh_port_linkup(port); 29263d249d4cSJiri Pirko if (linkup) { 29270ab6b544SDavid Decotigny struct ethtool_link_ksettings ecmd; 29283d249d4cSJiri Pirko 29290ab6b544SDavid Decotigny err = __ethtool_get_link_ksettings(port->dev, &ecmd); 29303d249d4cSJiri Pirko if (!err) { 29310ab6b544SDavid Decotigny port->state.speed = ecmd.base.speed; 29320ab6b544SDavid Decotigny port->state.duplex = ecmd.base.duplex; 29333d249d4cSJiri Pirko goto send_event; 29343d249d4cSJiri Pirko } 29353d249d4cSJiri Pirko } 293671472ec1SJiri Pirko port->state.speed = 0; 293771472ec1SJiri Pirko port->state.duplex = 0; 29383d249d4cSJiri Pirko 29393d249d4cSJiri Pirko send_event: 2940d90f889eSJiri Pirko err = team_nl_send_event_port_get(port->team, port); 29410c7517e9SJiri Pirko if (err && err != -ESRCH) 29420c7517e9SJiri Pirko netdev_warn(port->team->dev, "Failed to send port change of device %s via netlink (err %d)\n", 29430c7517e9SJiri Pirko port->dev->name, err); 29443d249d4cSJiri Pirko 29453d249d4cSJiri Pirko } 29463d249d4cSJiri Pirko 294706a7fc42SFlavio Leitner static void __team_carrier_check(struct team *team) 294806a7fc42SFlavio Leitner { 294906a7fc42SFlavio Leitner struct team_port *port; 295006a7fc42SFlavio Leitner bool team_linkup; 295106a7fc42SFlavio Leitner 2952e185483eSFlavio Leitner if (team->user_carrier_enabled) 2953e185483eSFlavio Leitner return; 2954e185483eSFlavio Leitner 295506a7fc42SFlavio Leitner team_linkup = false; 295606a7fc42SFlavio Leitner list_for_each_entry(port, &team->port_list, list) { 295706a7fc42SFlavio Leitner if (port->linkup) { 295806a7fc42SFlavio Leitner team_linkup = true; 295906a7fc42SFlavio Leitner break; 296006a7fc42SFlavio Leitner } 296106a7fc42SFlavio Leitner } 296206a7fc42SFlavio Leitner 296306a7fc42SFlavio Leitner if (team_linkup) 296406a7fc42SFlavio Leitner netif_carrier_on(team->dev); 296506a7fc42SFlavio Leitner else 296606a7fc42SFlavio Leitner netif_carrier_off(team->dev); 296706a7fc42SFlavio Leitner } 296806a7fc42SFlavio Leitner 296910f3f51dSJiri Pirko static void __team_port_change_check(struct team_port *port, bool linkup) 297010f3f51dSJiri Pirko { 297110f3f51dSJiri Pirko if (port->state.linkup != linkup) 297210f3f51dSJiri Pirko __team_port_change_send(port, linkup); 297306a7fc42SFlavio Leitner __team_carrier_check(port->team); 297410f3f51dSJiri Pirko } 297510f3f51dSJiri Pirko 297610f3f51dSJiri Pirko static void __team_port_change_port_added(struct team_port *port, bool linkup) 297710f3f51dSJiri Pirko { 297810f3f51dSJiri Pirko __team_port_change_send(port, linkup); 297906a7fc42SFlavio Leitner __team_carrier_check(port->team); 298010f3f51dSJiri Pirko } 298110f3f51dSJiri Pirko 298210f3f51dSJiri Pirko static void __team_port_change_port_removed(struct team_port *port) 298310f3f51dSJiri Pirko { 298410f3f51dSJiri Pirko port->removed = true; 298510f3f51dSJiri Pirko __team_port_change_send(port, false); 298606a7fc42SFlavio Leitner __team_carrier_check(port->team); 298710f3f51dSJiri Pirko } 298810f3f51dSJiri Pirko 29893d249d4cSJiri Pirko static void team_port_change_check(struct team_port *port, bool linkup) 29903d249d4cSJiri Pirko { 29913d249d4cSJiri Pirko struct team *team = port->team; 29923d249d4cSJiri Pirko 299361dc3461SJiri Pirko mutex_lock(&team->lock); 29943d249d4cSJiri Pirko __team_port_change_check(port, linkup); 299561dc3461SJiri Pirko mutex_unlock(&team->lock); 29963d249d4cSJiri Pirko } 29973d249d4cSJiri Pirko 29980f1aad2bSJiri Pirko 29993d249d4cSJiri Pirko /************************************ 30003d249d4cSJiri Pirko * Net device notifier event handler 30013d249d4cSJiri Pirko ************************************/ 30023d249d4cSJiri Pirko 30033d249d4cSJiri Pirko static int team_device_event(struct notifier_block *unused, 30043d249d4cSJiri Pirko unsigned long event, void *ptr) 30053d249d4cSJiri Pirko { 3006351638e7SJiri Pirko struct net_device *dev = netdev_notifier_info_to_dev(ptr); 30073d249d4cSJiri Pirko struct team_port *port; 30083d249d4cSJiri Pirko 30093d249d4cSJiri Pirko port = team_port_get_rtnl(dev); 30103d249d4cSJiri Pirko if (!port) 30113d249d4cSJiri Pirko return NOTIFY_DONE; 30123d249d4cSJiri Pirko 30133d249d4cSJiri Pirko switch (event) { 30143d249d4cSJiri Pirko case NETDEV_UP: 30158c7a7726SGeorge Wilkie if (netif_oper_up(dev)) 30163d249d4cSJiri Pirko team_port_change_check(port, true); 3017ed2da03cSJiri Pirko break; 30183d249d4cSJiri Pirko case NETDEV_DOWN: 30193d249d4cSJiri Pirko team_port_change_check(port, false); 3020ed2da03cSJiri Pirko break; 30213d249d4cSJiri Pirko case NETDEV_CHANGE: 30223d249d4cSJiri Pirko if (netif_running(port->dev)) 30233d249d4cSJiri Pirko team_port_change_check(port, 3024f1d22a1eSGeorge Wilkie !!netif_oper_up(port->dev)); 30253d249d4cSJiri Pirko break; 30263d249d4cSJiri Pirko case NETDEV_UNREGISTER: 30273d249d4cSJiri Pirko team_del_slave(port->team->dev, dev); 30283d249d4cSJiri Pirko break; 30293d249d4cSJiri Pirko case NETDEV_FEAT_CHANGE: 3030ae9b15fbSTaehee Yoo if (!port->team->notifier_ctx) { 3031ae9b15fbSTaehee Yoo port->team->notifier_ctx = true; 30323d249d4cSJiri Pirko team_compute_features(port->team); 3033ae9b15fbSTaehee Yoo port->team->notifier_ctx = false; 3034ae9b15fbSTaehee Yoo } 30353d249d4cSJiri Pirko break; 3036b01f236cSVeaceslav Falico case NETDEV_PRECHANGEMTU: 30373d249d4cSJiri Pirko /* Forbid to change mtu of underlaying device */ 30389d0d68faSJiri Pirko if (!port->team->port_mtu_change_allowed) 30393d249d4cSJiri Pirko return NOTIFY_BAD; 30409d0d68faSJiri Pirko break; 30413d249d4cSJiri Pirko case NETDEV_PRE_TYPE_CHANGE: 30423d249d4cSJiri Pirko /* Forbid to change type of underlaying device */ 30433d249d4cSJiri Pirko return NOTIFY_BAD; 30444aa5dee4SJiri Pirko case NETDEV_RESEND_IGMP: 30454aa5dee4SJiri Pirko /* Propagate to master device */ 30464aa5dee4SJiri Pirko call_netdevice_notifiers(event, port->team->dev); 30474aa5dee4SJiri Pirko break; 30483d249d4cSJiri Pirko } 30493d249d4cSJiri Pirko return NOTIFY_DONE; 30503d249d4cSJiri Pirko } 30513d249d4cSJiri Pirko 30523d249d4cSJiri Pirko static struct notifier_block team_notifier_block __read_mostly = { 30533d249d4cSJiri Pirko .notifier_call = team_device_event, 30543d249d4cSJiri Pirko }; 30553d249d4cSJiri Pirko 30563d249d4cSJiri Pirko 30573d249d4cSJiri Pirko /*********************** 30583d249d4cSJiri Pirko * Module init and exit 30593d249d4cSJiri Pirko ***********************/ 30603d249d4cSJiri Pirko 30613d249d4cSJiri Pirko static int __init team_module_init(void) 30623d249d4cSJiri Pirko { 30633d249d4cSJiri Pirko int err; 30643d249d4cSJiri Pirko 30653d249d4cSJiri Pirko register_netdevice_notifier(&team_notifier_block); 30663d249d4cSJiri Pirko 30673d249d4cSJiri Pirko err = rtnl_link_register(&team_link_ops); 30683d249d4cSJiri Pirko if (err) 30693d249d4cSJiri Pirko goto err_rtnl_reg; 30703d249d4cSJiri Pirko 30713d249d4cSJiri Pirko err = team_nl_init(); 30723d249d4cSJiri Pirko if (err) 30733d249d4cSJiri Pirko goto err_nl_init; 30743d249d4cSJiri Pirko 30753d249d4cSJiri Pirko return 0; 30763d249d4cSJiri Pirko 30773d249d4cSJiri Pirko err_nl_init: 30783d249d4cSJiri Pirko rtnl_link_unregister(&team_link_ops); 30793d249d4cSJiri Pirko 30803d249d4cSJiri Pirko err_rtnl_reg: 30813d249d4cSJiri Pirko unregister_netdevice_notifier(&team_notifier_block); 30823d249d4cSJiri Pirko 30833d249d4cSJiri Pirko return err; 30843d249d4cSJiri Pirko } 30853d249d4cSJiri Pirko 30863d249d4cSJiri Pirko static void __exit team_module_exit(void) 30873d249d4cSJiri Pirko { 30883d249d4cSJiri Pirko team_nl_fini(); 30893d249d4cSJiri Pirko rtnl_link_unregister(&team_link_ops); 30903d249d4cSJiri Pirko unregister_netdevice_notifier(&team_notifier_block); 30913d249d4cSJiri Pirko } 30923d249d4cSJiri Pirko 30933d249d4cSJiri Pirko module_init(team_module_init); 30943d249d4cSJiri Pirko module_exit(team_module_exit); 30953d249d4cSJiri Pirko 30963d249d4cSJiri Pirko MODULE_LICENSE("GPL v2"); 30973d249d4cSJiri Pirko MODULE_AUTHOR("Jiri Pirko <jpirko@redhat.com>"); 30983d249d4cSJiri Pirko MODULE_DESCRIPTION("Ethernet team device driver"); 30993d249d4cSJiri Pirko MODULE_ALIAS_RTNL_LINK(DRV_NAME); 3100