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 73d249d4cSJiri Pirko #include <linux/kernel.h> 83d249d4cSJiri Pirko #include <linux/types.h> 93d249d4cSJiri Pirko #include <linux/module.h> 103d249d4cSJiri Pirko #include <linux/init.h> 113d249d4cSJiri Pirko #include <linux/slab.h> 123d249d4cSJiri Pirko #include <linux/rcupdate.h> 133d249d4cSJiri Pirko #include <linux/errno.h> 143d249d4cSJiri Pirko #include <linux/ctype.h> 153d249d4cSJiri Pirko #include <linux/notifier.h> 163d249d4cSJiri Pirko #include <linux/netdevice.h> 17bd2d0837SJiri Pirko #include <linux/netpoll.h> 1887002b03SJiri Pirko #include <linux/if_vlan.h> 193d249d4cSJiri Pirko #include <linux/if_arp.h> 203d249d4cSJiri Pirko #include <linux/socket.h> 213d249d4cSJiri Pirko #include <linux/etherdevice.h> 223d249d4cSJiri Pirko #include <linux/rtnetlink.h> 233d249d4cSJiri Pirko #include <net/rtnetlink.h> 243d249d4cSJiri Pirko #include <net/genetlink.h> 253d249d4cSJiri Pirko #include <net/netlink.h> 266c85f2bdSJiri Pirko #include <net/sch_generic.h> 277f51c587SFlavio Leitner #include <generated/utsrelease.h> 283d249d4cSJiri Pirko #include <linux/if_team.h> 293d249d4cSJiri Pirko 303d249d4cSJiri Pirko #define DRV_NAME "team" 313d249d4cSJiri Pirko 323d249d4cSJiri Pirko 333d249d4cSJiri Pirko /********** 343d249d4cSJiri Pirko * Helpers 353d249d4cSJiri Pirko **********/ 363d249d4cSJiri Pirko 373d249d4cSJiri Pirko static struct team_port *team_port_get_rtnl(const struct net_device *dev) 383d249d4cSJiri Pirko { 393d249d4cSJiri Pirko struct team_port *port = rtnl_dereference(dev->rx_handler_data); 403d249d4cSJiri Pirko 41acb10eacSJulian Wiedmann return netif_is_team_port(dev) ? port : NULL; 423d249d4cSJiri Pirko } 433d249d4cSJiri Pirko 443d249d4cSJiri Pirko /* 451d76efe1SJiri Pirko * Since the ability to change device address for open port device is tested in 463d249d4cSJiri Pirko * team_port_add, this function can be called without control of return value 473d249d4cSJiri Pirko */ 481d76efe1SJiri Pirko static int __set_port_dev_addr(struct net_device *port_dev, 493d249d4cSJiri Pirko const unsigned char *dev_addr) 503d249d4cSJiri Pirko { 51996f6e12SWANG Cong struct sockaddr_storage addr; 523d249d4cSJiri Pirko 53996f6e12SWANG Cong memcpy(addr.__data, dev_addr, port_dev->addr_len); 54996f6e12SWANG Cong addr.ss_family = port_dev->type; 553a37a963SPetr Machata return dev_set_mac_address(port_dev, (struct sockaddr *)&addr, NULL); 563d249d4cSJiri Pirko } 573d249d4cSJiri Pirko 581d76efe1SJiri Pirko static int team_port_set_orig_dev_addr(struct team_port *port) 593d249d4cSJiri Pirko { 601d76efe1SJiri Pirko return __set_port_dev_addr(port->dev, port->orig.dev_addr); 613d249d4cSJiri Pirko } 623d249d4cSJiri Pirko 63acbba0d0SJiri Pirko static int team_port_set_team_dev_addr(struct team *team, 64acbba0d0SJiri Pirko struct team_port *port) 653d249d4cSJiri Pirko { 66acbba0d0SJiri Pirko return __set_port_dev_addr(port->dev, team->dev->dev_addr); 673d249d4cSJiri Pirko } 68acbba0d0SJiri Pirko 69acbba0d0SJiri Pirko int team_modeop_port_enter(struct team *team, struct team_port *port) 70acbba0d0SJiri Pirko { 71acbba0d0SJiri Pirko return team_port_set_team_dev_addr(team, port); 72acbba0d0SJiri Pirko } 73acbba0d0SJiri Pirko EXPORT_SYMBOL(team_modeop_port_enter); 74acbba0d0SJiri Pirko 75acbba0d0SJiri Pirko void team_modeop_port_change_dev_addr(struct team *team, 76acbba0d0SJiri Pirko struct team_port *port) 77acbba0d0SJiri Pirko { 78acbba0d0SJiri Pirko team_port_set_team_dev_addr(team, port); 79acbba0d0SJiri Pirko } 80acbba0d0SJiri Pirko EXPORT_SYMBOL(team_modeop_port_change_dev_addr); 813d249d4cSJiri Pirko 823a0d6c5aSJiri Pirko static void team_lower_state_changed(struct team_port *port) 833a0d6c5aSJiri Pirko { 843a0d6c5aSJiri Pirko struct netdev_lag_lower_state_info info; 853a0d6c5aSJiri Pirko 863a0d6c5aSJiri Pirko info.link_up = port->linkup; 873a0d6c5aSJiri Pirko info.tx_enabled = team_port_enabled(port); 883a0d6c5aSJiri Pirko netdev_lower_state_changed(port->dev, &info); 893a0d6c5aSJiri Pirko } 903a0d6c5aSJiri Pirko 9171472ec1SJiri Pirko static void team_refresh_port_linkup(struct team_port *port) 9271472ec1SJiri Pirko { 933a0d6c5aSJiri Pirko bool new_linkup = port->user.linkup_enabled ? port->user.linkup : 9471472ec1SJiri Pirko port->state.linkup; 953a0d6c5aSJiri Pirko 963a0d6c5aSJiri Pirko if (port->linkup != new_linkup) { 973a0d6c5aSJiri Pirko port->linkup = new_linkup; 983a0d6c5aSJiri Pirko team_lower_state_changed(port); 993a0d6c5aSJiri Pirko } 10071472ec1SJiri Pirko } 1013d249d4cSJiri Pirko 1020f1aad2bSJiri Pirko 1033d249d4cSJiri Pirko /******************* 1043d249d4cSJiri Pirko * Options handling 1053d249d4cSJiri Pirko *******************/ 1063d249d4cSJiri Pirko 10780f7c668SJiri Pirko struct team_option_inst { /* One for each option instance */ 10880f7c668SJiri Pirko struct list_head list; 10901048d9aSJiri Pirko struct list_head tmp_list; 11080f7c668SJiri Pirko struct team_option *option; 11185d59a87SJiri Pirko struct team_option_inst_info info; 11280f7c668SJiri Pirko bool changed; 11380f7c668SJiri Pirko bool removed; 11480f7c668SJiri Pirko }; 11580f7c668SJiri Pirko 11680f7c668SJiri Pirko static struct team_option *__team_find_option(struct team *team, 11780f7c668SJiri Pirko const char *opt_name) 118358b8382SJiri Pirko { 119358b8382SJiri Pirko struct team_option *option; 120358b8382SJiri Pirko 121358b8382SJiri Pirko list_for_each_entry(option, &team->option_list, list) { 122358b8382SJiri Pirko if (strcmp(option->name, opt_name) == 0) 123358b8382SJiri Pirko return option; 124358b8382SJiri Pirko } 125358b8382SJiri Pirko return NULL; 126358b8382SJiri Pirko } 127358b8382SJiri Pirko 12880f7c668SJiri Pirko static void __team_option_inst_del(struct team_option_inst *opt_inst) 12980f7c668SJiri Pirko { 13080f7c668SJiri Pirko list_del(&opt_inst->list); 13180f7c668SJiri Pirko kfree(opt_inst); 13280f7c668SJiri Pirko } 13380f7c668SJiri Pirko 13480f7c668SJiri Pirko static void __team_option_inst_del_option(struct team *team, 13580f7c668SJiri Pirko struct team_option *option) 13680f7c668SJiri Pirko { 13780f7c668SJiri Pirko struct team_option_inst *opt_inst, *tmp; 13880f7c668SJiri Pirko 13980f7c668SJiri Pirko list_for_each_entry_safe(opt_inst, tmp, &team->option_inst_list, list) { 14080f7c668SJiri Pirko if (opt_inst->option == option) 14180f7c668SJiri Pirko __team_option_inst_del(opt_inst); 14280f7c668SJiri Pirko } 14380f7c668SJiri Pirko } 14480f7c668SJiri Pirko 145b1303326SJiri Pirko static int __team_option_inst_add(struct team *team, struct team_option *option, 146b1303326SJiri Pirko struct team_port *port) 147b1303326SJiri Pirko { 148b1303326SJiri Pirko struct team_option_inst *opt_inst; 149b1303326SJiri Pirko unsigned int array_size; 150b1303326SJiri Pirko unsigned int i; 15185d59a87SJiri Pirko int err; 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); 16785d59a87SJiri Pirko if (option->init) { 16885d59a87SJiri Pirko err = option->init(team, &opt_inst->info); 16985d59a87SJiri Pirko if (err) 17085d59a87SJiri Pirko return err; 17185d59a87SJiri Pirko } 17285d59a87SJiri Pirko 173b1303326SJiri Pirko } 174b1303326SJiri Pirko return 0; 175b1303326SJiri Pirko } 176b1303326SJiri Pirko 17780f7c668SJiri Pirko static int __team_option_inst_add_option(struct team *team, 17880f7c668SJiri Pirko struct team_option *option) 17980f7c668SJiri Pirko { 18080f7c668SJiri Pirko int err; 18180f7c668SJiri Pirko 182b1303326SJiri Pirko if (!option->per_port) { 183f88725ffSJiri Pirko err = __team_option_inst_add(team, option, NULL); 184b1303326SJiri Pirko if (err) 185b1303326SJiri Pirko goto inst_del_option; 186b1303326SJiri Pirko } 18780f7c668SJiri Pirko return 0; 18880f7c668SJiri Pirko 18980f7c668SJiri Pirko inst_del_option: 19080f7c668SJiri Pirko __team_option_inst_del_option(team, option); 19180f7c668SJiri Pirko return err; 19280f7c668SJiri Pirko } 19380f7c668SJiri Pirko 19480f7c668SJiri Pirko static void __team_option_inst_mark_removed_option(struct team *team, 19580f7c668SJiri Pirko struct team_option *option) 19680f7c668SJiri Pirko { 19780f7c668SJiri Pirko struct team_option_inst *opt_inst; 19880f7c668SJiri Pirko 19980f7c668SJiri Pirko list_for_each_entry(opt_inst, &team->option_inst_list, list) { 20080f7c668SJiri Pirko if (opt_inst->option == option) { 20180f7c668SJiri Pirko opt_inst->changed = true; 20280f7c668SJiri Pirko opt_inst->removed = true; 20380f7c668SJiri Pirko } 20480f7c668SJiri Pirko } 20580f7c668SJiri Pirko } 20680f7c668SJiri Pirko 20780f7c668SJiri Pirko static void __team_option_inst_del_port(struct team *team, 20880f7c668SJiri Pirko struct team_port *port) 20980f7c668SJiri Pirko { 21080f7c668SJiri Pirko struct team_option_inst *opt_inst, *tmp; 21180f7c668SJiri Pirko 21280f7c668SJiri Pirko list_for_each_entry_safe(opt_inst, tmp, &team->option_inst_list, list) { 21380f7c668SJiri Pirko if (opt_inst->option->per_port && 21485d59a87SJiri Pirko opt_inst->info.port == port) 21580f7c668SJiri Pirko __team_option_inst_del(opt_inst); 21680f7c668SJiri Pirko } 21780f7c668SJiri Pirko } 21880f7c668SJiri Pirko 21980f7c668SJiri Pirko static int __team_option_inst_add_port(struct team *team, 22080f7c668SJiri Pirko struct team_port *port) 22180f7c668SJiri Pirko { 22280f7c668SJiri Pirko struct team_option *option; 22380f7c668SJiri Pirko int err; 22480f7c668SJiri Pirko 22580f7c668SJiri Pirko list_for_each_entry(option, &team->option_list, list) { 22680f7c668SJiri Pirko if (!option->per_port) 22780f7c668SJiri Pirko continue; 22880f7c668SJiri Pirko err = __team_option_inst_add(team, option, port); 22980f7c668SJiri Pirko if (err) 23080f7c668SJiri Pirko goto inst_del_port; 23180f7c668SJiri Pirko } 23280f7c668SJiri Pirko return 0; 23380f7c668SJiri Pirko 23480f7c668SJiri Pirko inst_del_port: 23580f7c668SJiri Pirko __team_option_inst_del_port(team, port); 23680f7c668SJiri Pirko return err; 23780f7c668SJiri Pirko } 23880f7c668SJiri Pirko 23980f7c668SJiri Pirko static void __team_option_inst_mark_removed_port(struct team *team, 24080f7c668SJiri Pirko struct team_port *port) 24180f7c668SJiri Pirko { 24280f7c668SJiri Pirko struct team_option_inst *opt_inst; 24380f7c668SJiri Pirko 24480f7c668SJiri Pirko list_for_each_entry(opt_inst, &team->option_inst_list, list) { 24585d59a87SJiri Pirko if (opt_inst->info.port == port) { 24680f7c668SJiri Pirko opt_inst->changed = true; 24780f7c668SJiri Pirko opt_inst->removed = true; 24880f7c668SJiri Pirko } 24980f7c668SJiri Pirko } 25080f7c668SJiri Pirko } 25180f7c668SJiri Pirko 25280f7c668SJiri Pirko static int __team_options_register(struct team *team, 253358b8382SJiri Pirko const struct team_option *option, 2543d249d4cSJiri Pirko size_t option_count) 2553d249d4cSJiri Pirko { 2563d249d4cSJiri Pirko int i; 2572bba19ffSJiri Pirko struct team_option **dst_opts; 258358b8382SJiri Pirko int err; 2593d249d4cSJiri Pirko 2606396bb22SKees Cook dst_opts = kcalloc(option_count, sizeof(struct team_option *), 2612bba19ffSJiri Pirko GFP_KERNEL); 2622bba19ffSJiri Pirko if (!dst_opts) 2632bba19ffSJiri Pirko return -ENOMEM; 264358b8382SJiri Pirko for (i = 0; i < option_count; i++, option++) { 265358b8382SJiri Pirko if (__team_find_option(team, option->name)) { 266358b8382SJiri Pirko err = -EEXIST; 26780f7c668SJiri Pirko goto alloc_rollback; 2683d249d4cSJiri Pirko } 269f8a15af0SJiri Pirko dst_opts[i] = kmemdup(option, sizeof(*option), GFP_KERNEL); 270f8a15af0SJiri Pirko if (!dst_opts[i]) { 271358b8382SJiri Pirko err = -ENOMEM; 27280f7c668SJiri Pirko goto alloc_rollback; 273358b8382SJiri Pirko } 274358b8382SJiri Pirko } 275358b8382SJiri Pirko 276b82b9183SJiri Pirko for (i = 0; i < option_count; i++) { 27780f7c668SJiri Pirko err = __team_option_inst_add_option(team, dst_opts[i]); 27880f7c668SJiri Pirko if (err) 27980f7c668SJiri Pirko goto inst_rollback; 280358b8382SJiri Pirko list_add_tail(&dst_opts[i]->list, &team->option_list); 281b82b9183SJiri Pirko } 282358b8382SJiri Pirko 2832bba19ffSJiri Pirko kfree(dst_opts); 284358b8382SJiri Pirko return 0; 285358b8382SJiri Pirko 28680f7c668SJiri Pirko inst_rollback: 28780f7c668SJiri Pirko for (i--; i >= 0; i--) 28880f7c668SJiri Pirko __team_option_inst_del_option(team, dst_opts[i]); 28980f7c668SJiri Pirko 29080f7c668SJiri Pirko i = option_count - 1; 29180f7c668SJiri Pirko alloc_rollback: 29280f7c668SJiri Pirko for (i--; i >= 0; i--) 293358b8382SJiri Pirko kfree(dst_opts[i]); 294358b8382SJiri Pirko 2952bba19ffSJiri Pirko kfree(dst_opts); 296358b8382SJiri Pirko return err; 297358b8382SJiri Pirko } 298358b8382SJiri Pirko 299b82b9183SJiri Pirko static void __team_options_mark_removed(struct team *team, 300b82b9183SJiri Pirko const struct team_option *option, 301b82b9183SJiri Pirko size_t option_count) 302b82b9183SJiri Pirko { 303b82b9183SJiri Pirko int i; 3043d249d4cSJiri Pirko 305b82b9183SJiri Pirko for (i = 0; i < option_count; i++, option++) { 306b82b9183SJiri Pirko struct team_option *del_opt; 307b82b9183SJiri Pirko 308b82b9183SJiri Pirko del_opt = __team_find_option(team, option->name); 30980f7c668SJiri Pirko if (del_opt) 31080f7c668SJiri Pirko __team_option_inst_mark_removed_option(team, del_opt); 311b82b9183SJiri Pirko } 312b82b9183SJiri Pirko } 3133d249d4cSJiri Pirko 3143d249d4cSJiri Pirko static void __team_options_unregister(struct team *team, 315358b8382SJiri Pirko const struct team_option *option, 3163d249d4cSJiri Pirko size_t option_count) 3173d249d4cSJiri Pirko { 3183d249d4cSJiri Pirko int i; 3193d249d4cSJiri Pirko 320358b8382SJiri Pirko for (i = 0; i < option_count; i++, option++) { 321358b8382SJiri Pirko struct team_option *del_opt; 322358b8382SJiri Pirko 323358b8382SJiri Pirko del_opt = __team_find_option(team, option->name); 324358b8382SJiri Pirko if (del_opt) { 32580f7c668SJiri Pirko __team_option_inst_del_option(team, del_opt); 326358b8382SJiri Pirko list_del(&del_opt->list); 327358b8382SJiri Pirko kfree(del_opt); 328358b8382SJiri Pirko } 329358b8382SJiri Pirko } 3303d249d4cSJiri Pirko } 3313d249d4cSJiri Pirko 332b82b9183SJiri Pirko static void __team_options_change_check(struct team *team); 333b82b9183SJiri Pirko 334b82b9183SJiri Pirko int team_options_register(struct team *team, 335b82b9183SJiri Pirko const struct team_option *option, 336b82b9183SJiri Pirko size_t option_count) 337b82b9183SJiri Pirko { 338b82b9183SJiri Pirko int err; 339b82b9183SJiri Pirko 340b82b9183SJiri Pirko err = __team_options_register(team, option, option_count); 341b82b9183SJiri Pirko if (err) 342b82b9183SJiri Pirko return err; 343b82b9183SJiri Pirko __team_options_change_check(team); 344b82b9183SJiri Pirko return 0; 345b82b9183SJiri Pirko } 346b82b9183SJiri Pirko EXPORT_SYMBOL(team_options_register); 347b82b9183SJiri Pirko 348358b8382SJiri Pirko void team_options_unregister(struct team *team, 349358b8382SJiri Pirko const struct team_option *option, 3503d249d4cSJiri Pirko size_t option_count) 3513d249d4cSJiri Pirko { 352b82b9183SJiri Pirko __team_options_mark_removed(team, option, option_count); 353b82b9183SJiri Pirko __team_options_change_check(team); 3543d249d4cSJiri Pirko __team_options_unregister(team, option, option_count); 3553d249d4cSJiri Pirko } 3563d249d4cSJiri Pirko EXPORT_SYMBOL(team_options_unregister); 3573d249d4cSJiri Pirko 35880f7c668SJiri Pirko static int team_option_get(struct team *team, 35980f7c668SJiri Pirko struct team_option_inst *opt_inst, 36080f7c668SJiri Pirko struct team_gsetter_ctx *ctx) 36180f7c668SJiri Pirko { 362f82b959dSJiri Pirko if (!opt_inst->option->getter) 363f82b959dSJiri Pirko return -EOPNOTSUPP; 36480f7c668SJiri Pirko return opt_inst->option->getter(team, ctx); 36580f7c668SJiri Pirko } 36680f7c668SJiri Pirko 36780f7c668SJiri Pirko static int team_option_set(struct team *team, 36880f7c668SJiri Pirko struct team_option_inst *opt_inst, 36980f7c668SJiri Pirko struct team_gsetter_ctx *ctx) 37080f7c668SJiri Pirko { 371f82b959dSJiri Pirko if (!opt_inst->option->setter) 372f82b959dSJiri Pirko return -EOPNOTSUPP; 3732fcdb2c9SJiri Pirko return opt_inst->option->setter(team, ctx); 3743d249d4cSJiri Pirko } 3753d249d4cSJiri Pirko 3760f1aad2bSJiri Pirko void team_option_inst_set_change(struct team_option_inst_info *opt_inst_info) 3770f1aad2bSJiri Pirko { 3780f1aad2bSJiri Pirko struct team_option_inst *opt_inst; 3790f1aad2bSJiri Pirko 3800f1aad2bSJiri Pirko opt_inst = container_of(opt_inst_info, struct team_option_inst, info); 3810f1aad2bSJiri Pirko opt_inst->changed = true; 3820f1aad2bSJiri Pirko } 3830f1aad2bSJiri Pirko EXPORT_SYMBOL(team_option_inst_set_change); 3840f1aad2bSJiri Pirko 3850f1aad2bSJiri Pirko void team_options_change_check(struct team *team) 3860f1aad2bSJiri Pirko { 3870f1aad2bSJiri Pirko __team_options_change_check(team); 3880f1aad2bSJiri Pirko } 3890f1aad2bSJiri Pirko EXPORT_SYMBOL(team_options_change_check); 3900f1aad2bSJiri Pirko 3910f1aad2bSJiri Pirko 3923d249d4cSJiri Pirko /**************** 3933d249d4cSJiri Pirko * Mode handling 3943d249d4cSJiri Pirko ****************/ 3953d249d4cSJiri Pirko 3963d249d4cSJiri Pirko static LIST_HEAD(mode_list); 3973d249d4cSJiri Pirko static DEFINE_SPINLOCK(mode_list_lock); 3983d249d4cSJiri Pirko 3990402788aSJiri Pirko struct team_mode_item { 4000402788aSJiri Pirko struct list_head list; 4010402788aSJiri Pirko const struct team_mode *mode; 4020402788aSJiri Pirko }; 4033d249d4cSJiri Pirko 4040402788aSJiri Pirko static struct team_mode_item *__find_mode(const char *kind) 4050402788aSJiri Pirko { 4060402788aSJiri Pirko struct team_mode_item *mitem; 4070402788aSJiri Pirko 4080402788aSJiri Pirko list_for_each_entry(mitem, &mode_list, list) { 4090402788aSJiri Pirko if (strcmp(mitem->mode->kind, kind) == 0) 4100402788aSJiri Pirko return mitem; 4113d249d4cSJiri Pirko } 4123d249d4cSJiri Pirko return NULL; 4133d249d4cSJiri Pirko } 4143d249d4cSJiri Pirko 4153d249d4cSJiri Pirko static bool is_good_mode_name(const char *name) 4163d249d4cSJiri Pirko { 4173d249d4cSJiri Pirko while (*name != '\0') { 4183d249d4cSJiri Pirko if (!isalpha(*name) && !isdigit(*name) && *name != '_') 4193d249d4cSJiri Pirko return false; 4203d249d4cSJiri Pirko name++; 4213d249d4cSJiri Pirko } 4223d249d4cSJiri Pirko return true; 4233d249d4cSJiri Pirko } 4243d249d4cSJiri Pirko 4250402788aSJiri Pirko int team_mode_register(const struct team_mode *mode) 4263d249d4cSJiri Pirko { 4273d249d4cSJiri Pirko int err = 0; 4280402788aSJiri Pirko struct team_mode_item *mitem; 4293d249d4cSJiri Pirko 4303d249d4cSJiri Pirko if (!is_good_mode_name(mode->kind) || 4313d249d4cSJiri Pirko mode->priv_size > TEAM_MODE_PRIV_SIZE) 4323d249d4cSJiri Pirko return -EINVAL; 4330402788aSJiri Pirko 4340402788aSJiri Pirko mitem = kmalloc(sizeof(*mitem), GFP_KERNEL); 4350402788aSJiri Pirko if (!mitem) 4360402788aSJiri Pirko return -ENOMEM; 4370402788aSJiri Pirko 4383d249d4cSJiri Pirko spin_lock(&mode_list_lock); 4393d249d4cSJiri Pirko if (__find_mode(mode->kind)) { 4403d249d4cSJiri Pirko err = -EEXIST; 4410402788aSJiri Pirko kfree(mitem); 4423d249d4cSJiri Pirko goto unlock; 4433d249d4cSJiri Pirko } 4440402788aSJiri Pirko mitem->mode = mode; 4450402788aSJiri Pirko list_add_tail(&mitem->list, &mode_list); 4463d249d4cSJiri Pirko unlock: 4473d249d4cSJiri Pirko spin_unlock(&mode_list_lock); 4483d249d4cSJiri Pirko return err; 4493d249d4cSJiri Pirko } 4503d249d4cSJiri Pirko EXPORT_SYMBOL(team_mode_register); 4513d249d4cSJiri Pirko 4520402788aSJiri Pirko void team_mode_unregister(const struct team_mode *mode) 4533d249d4cSJiri Pirko { 4540402788aSJiri Pirko struct team_mode_item *mitem; 4550402788aSJiri Pirko 4563d249d4cSJiri Pirko spin_lock(&mode_list_lock); 4570402788aSJiri Pirko mitem = __find_mode(mode->kind); 4580402788aSJiri Pirko if (mitem) { 4590402788aSJiri Pirko list_del_init(&mitem->list); 4600402788aSJiri Pirko kfree(mitem); 4610402788aSJiri Pirko } 4623d249d4cSJiri Pirko spin_unlock(&mode_list_lock); 4633d249d4cSJiri Pirko } 4643d249d4cSJiri Pirko EXPORT_SYMBOL(team_mode_unregister); 4653d249d4cSJiri Pirko 4660402788aSJiri Pirko static const struct team_mode *team_mode_get(const char *kind) 4673d249d4cSJiri Pirko { 4680402788aSJiri Pirko struct team_mode_item *mitem; 4690402788aSJiri Pirko const struct team_mode *mode = NULL; 4703d249d4cSJiri Pirko 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); 4863d249d4cSJiri Pirko return mode; 4873d249d4cSJiri Pirko } 4883d249d4cSJiri Pirko 4893d249d4cSJiri Pirko static void team_mode_put(const struct team_mode *mode) 4903d249d4cSJiri Pirko { 4913d249d4cSJiri Pirko module_put(mode->owner); 4923d249d4cSJiri Pirko } 4933d249d4cSJiri Pirko 4943d249d4cSJiri Pirko static bool team_dummy_transmit(struct team *team, struct sk_buff *skb) 4953d249d4cSJiri Pirko { 4963d249d4cSJiri Pirko dev_kfree_skb_any(skb); 4973d249d4cSJiri Pirko return false; 4983d249d4cSJiri Pirko } 4993d249d4cSJiri Pirko 5002ea46599Sstephen hemminger static rx_handler_result_t team_dummy_receive(struct team *team, 5013d249d4cSJiri Pirko struct team_port *port, 5023d249d4cSJiri Pirko struct sk_buff *skb) 5033d249d4cSJiri Pirko { 5043d249d4cSJiri Pirko return RX_HANDLER_ANOTHER; 5053d249d4cSJiri Pirko } 5063d249d4cSJiri Pirko 507d299cd51SJiri Pirko static const struct team_mode __team_no_mode = { 508d299cd51SJiri Pirko .kind = "*NOMODE*", 509d299cd51SJiri Pirko }; 510d299cd51SJiri Pirko 511d299cd51SJiri Pirko static bool team_is_mode_set(struct team *team) 512d299cd51SJiri Pirko { 513d299cd51SJiri Pirko return team->mode != &__team_no_mode; 514d299cd51SJiri Pirko } 515d299cd51SJiri Pirko 516d299cd51SJiri Pirko static void team_set_no_mode(struct team *team) 517d299cd51SJiri Pirko { 518e185483eSFlavio Leitner team->user_carrier_enabled = false; 519d299cd51SJiri Pirko team->mode = &__team_no_mode; 520d299cd51SJiri Pirko } 521d299cd51SJiri Pirko 522735d381fSJiri Pirko static void team_adjust_ops(struct team *team) 5233d249d4cSJiri Pirko { 5243d249d4cSJiri Pirko /* 5253d249d4cSJiri Pirko * To avoid checks in rx/tx skb paths, ensure here that non-null and 5263d249d4cSJiri Pirko * correct ops are always set. 5273d249d4cSJiri Pirko */ 5283d249d4cSJiri Pirko 529735d381fSJiri Pirko if (!team->en_port_count || !team_is_mode_set(team) || 530122bb046SJiri Pirko !team->mode->ops->transmit) 5313d249d4cSJiri Pirko team->ops.transmit = team_dummy_transmit; 5323d249d4cSJiri Pirko else 5333d249d4cSJiri Pirko team->ops.transmit = team->mode->ops->transmit; 5343d249d4cSJiri Pirko 535735d381fSJiri Pirko if (!team->en_port_count || !team_is_mode_set(team) || 536122bb046SJiri Pirko !team->mode->ops->receive) 5373d249d4cSJiri Pirko team->ops.receive = team_dummy_receive; 5383d249d4cSJiri Pirko else 5393d249d4cSJiri Pirko team->ops.receive = team->mode->ops->receive; 5403d249d4cSJiri Pirko } 5413d249d4cSJiri Pirko 5423d249d4cSJiri Pirko /* 5433d249d4cSJiri Pirko * We can benefit from the fact that it's ensured no port is present 5443d249d4cSJiri Pirko * at the time of mode change. Therefore no packets are in fly so there's no 5453d249d4cSJiri Pirko * need to set mode operations in any special way. 5463d249d4cSJiri Pirko */ 5473d249d4cSJiri Pirko static int __team_change_mode(struct team *team, 5483d249d4cSJiri Pirko const struct team_mode *new_mode) 5493d249d4cSJiri Pirko { 5503d249d4cSJiri Pirko /* Check if mode was previously set and do cleanup if so */ 551d299cd51SJiri Pirko if (team_is_mode_set(team)) { 5523d249d4cSJiri Pirko void (*exit_op)(struct team *team) = team->ops.exit; 5533d249d4cSJiri Pirko 5543d249d4cSJiri Pirko /* Clear ops area so no callback is called any longer */ 5553d249d4cSJiri Pirko memset(&team->ops, 0, sizeof(struct team_mode_ops)); 5563d249d4cSJiri Pirko team_adjust_ops(team); 5573d249d4cSJiri Pirko 5583d249d4cSJiri Pirko if (exit_op) 5593d249d4cSJiri Pirko exit_op(team); 5603d249d4cSJiri Pirko team_mode_put(team->mode); 561d299cd51SJiri Pirko team_set_no_mode(team); 5623d249d4cSJiri Pirko /* zero private data area */ 5633d249d4cSJiri Pirko memset(&team->mode_priv, 0, 5643d249d4cSJiri Pirko sizeof(struct team) - offsetof(struct team, mode_priv)); 5653d249d4cSJiri Pirko } 5663d249d4cSJiri Pirko 5673d249d4cSJiri Pirko if (!new_mode) 5683d249d4cSJiri Pirko return 0; 5693d249d4cSJiri Pirko 5703d249d4cSJiri Pirko if (new_mode->ops->init) { 5713d249d4cSJiri Pirko int err; 5723d249d4cSJiri Pirko 5733d249d4cSJiri Pirko err = new_mode->ops->init(team); 5743d249d4cSJiri Pirko if (err) 5753d249d4cSJiri Pirko return err; 5763d249d4cSJiri Pirko } 5773d249d4cSJiri Pirko 5783d249d4cSJiri Pirko team->mode = new_mode; 5793d249d4cSJiri Pirko memcpy(&team->ops, new_mode->ops, sizeof(struct team_mode_ops)); 5803d249d4cSJiri Pirko team_adjust_ops(team); 5813d249d4cSJiri Pirko 5823d249d4cSJiri Pirko return 0; 5833d249d4cSJiri Pirko } 5843d249d4cSJiri Pirko 5853d249d4cSJiri Pirko static int team_change_mode(struct team *team, const char *kind) 5863d249d4cSJiri Pirko { 5870402788aSJiri Pirko const struct team_mode *new_mode; 5883d249d4cSJiri Pirko struct net_device *dev = team->dev; 5893d249d4cSJiri Pirko int err; 5903d249d4cSJiri Pirko 5913d249d4cSJiri Pirko if (!list_empty(&team->port_list)) { 5923d249d4cSJiri Pirko netdev_err(dev, "No ports can be present during mode change\n"); 5933d249d4cSJiri Pirko return -EBUSY; 5943d249d4cSJiri Pirko } 5953d249d4cSJiri Pirko 596d299cd51SJiri Pirko if (team_is_mode_set(team) && strcmp(team->mode->kind, kind) == 0) { 5973d249d4cSJiri Pirko netdev_err(dev, "Unable to change to the same mode the team is in\n"); 5983d249d4cSJiri Pirko return -EINVAL; 5993d249d4cSJiri Pirko } 6003d249d4cSJiri Pirko 6013d249d4cSJiri Pirko new_mode = team_mode_get(kind); 6023d249d4cSJiri Pirko if (!new_mode) { 6033d249d4cSJiri Pirko netdev_err(dev, "Mode \"%s\" not found\n", kind); 6043d249d4cSJiri Pirko return -EINVAL; 6053d249d4cSJiri Pirko } 6063d249d4cSJiri Pirko 6073d249d4cSJiri Pirko err = __team_change_mode(team, new_mode); 6083d249d4cSJiri Pirko if (err) { 6093d249d4cSJiri Pirko netdev_err(dev, "Failed to change to mode \"%s\"\n", kind); 6103d249d4cSJiri Pirko team_mode_put(new_mode); 6113d249d4cSJiri Pirko return err; 6123d249d4cSJiri Pirko } 6133d249d4cSJiri Pirko 6143d249d4cSJiri Pirko netdev_info(dev, "Mode changed to \"%s\"\n", kind); 6153d249d4cSJiri Pirko return 0; 6163d249d4cSJiri Pirko } 6173d249d4cSJiri Pirko 6183d249d4cSJiri Pirko 619fc423ff0SJiri Pirko /********************* 620fc423ff0SJiri Pirko * Peers notification 621fc423ff0SJiri Pirko *********************/ 622fc423ff0SJiri Pirko 623fc423ff0SJiri Pirko static void team_notify_peers_work(struct work_struct *work) 624fc423ff0SJiri Pirko { 625fc423ff0SJiri Pirko struct team *team; 626b0d11b42SJiri Pirko int val; 627fc423ff0SJiri Pirko 628fc423ff0SJiri Pirko team = container_of(work, struct team, notify_peers.dw.work); 629fc423ff0SJiri Pirko 630fc423ff0SJiri Pirko if (!rtnl_trylock()) { 631fc423ff0SJiri Pirko schedule_delayed_work(&team->notify_peers.dw, 0); 632fc423ff0SJiri Pirko return; 633fc423ff0SJiri Pirko } 634b0d11b42SJiri Pirko val = atomic_dec_if_positive(&team->notify_peers.count_pending); 635b0d11b42SJiri Pirko if (val < 0) { 636b0d11b42SJiri Pirko rtnl_unlock(); 637b0d11b42SJiri Pirko return; 638b0d11b42SJiri Pirko } 639fc423ff0SJiri Pirko call_netdevice_notifiers(NETDEV_NOTIFY_PEERS, team->dev); 640fc423ff0SJiri Pirko rtnl_unlock(); 641b0d11b42SJiri Pirko if (val) 642fc423ff0SJiri Pirko schedule_delayed_work(&team->notify_peers.dw, 643fc423ff0SJiri Pirko msecs_to_jiffies(team->notify_peers.interval)); 644fc423ff0SJiri Pirko } 645fc423ff0SJiri Pirko 646fc423ff0SJiri Pirko static void team_notify_peers(struct team *team) 647fc423ff0SJiri Pirko { 648fc423ff0SJiri Pirko if (!team->notify_peers.count || !netif_running(team->dev)) 649fc423ff0SJiri Pirko return; 65047549650SJoe Lawrence atomic_add(team->notify_peers.count, &team->notify_peers.count_pending); 651fc423ff0SJiri Pirko schedule_delayed_work(&team->notify_peers.dw, 0); 652fc423ff0SJiri Pirko } 653fc423ff0SJiri Pirko 654fc423ff0SJiri Pirko static void team_notify_peers_init(struct team *team) 655fc423ff0SJiri Pirko { 656fc423ff0SJiri Pirko INIT_DELAYED_WORK(&team->notify_peers.dw, team_notify_peers_work); 657fc423ff0SJiri Pirko } 658fc423ff0SJiri Pirko 659fc423ff0SJiri Pirko static void team_notify_peers_fini(struct team *team) 660fc423ff0SJiri Pirko { 661fc423ff0SJiri Pirko cancel_delayed_work_sync(&team->notify_peers.dw); 662fc423ff0SJiri Pirko } 663fc423ff0SJiri Pirko 664fc423ff0SJiri Pirko 665492b200eSJiri Pirko /******************************* 666492b200eSJiri Pirko * Send multicast group rejoins 667492b200eSJiri Pirko *******************************/ 668492b200eSJiri Pirko 669492b200eSJiri Pirko static void team_mcast_rejoin_work(struct work_struct *work) 670492b200eSJiri Pirko { 671492b200eSJiri Pirko struct team *team; 672b0d11b42SJiri Pirko int val; 673492b200eSJiri Pirko 674492b200eSJiri Pirko team = container_of(work, struct team, mcast_rejoin.dw.work); 675492b200eSJiri Pirko 676492b200eSJiri Pirko if (!rtnl_trylock()) { 677492b200eSJiri Pirko schedule_delayed_work(&team->mcast_rejoin.dw, 0); 678492b200eSJiri Pirko return; 679492b200eSJiri Pirko } 680b0d11b42SJiri Pirko val = atomic_dec_if_positive(&team->mcast_rejoin.count_pending); 681b0d11b42SJiri Pirko if (val < 0) { 682b0d11b42SJiri Pirko rtnl_unlock(); 683b0d11b42SJiri Pirko return; 684b0d11b42SJiri Pirko } 685492b200eSJiri Pirko call_netdevice_notifiers(NETDEV_RESEND_IGMP, team->dev); 686492b200eSJiri Pirko rtnl_unlock(); 687b0d11b42SJiri Pirko if (val) 688492b200eSJiri Pirko schedule_delayed_work(&team->mcast_rejoin.dw, 689492b200eSJiri Pirko msecs_to_jiffies(team->mcast_rejoin.interval)); 690492b200eSJiri Pirko } 691492b200eSJiri Pirko 692492b200eSJiri Pirko static void team_mcast_rejoin(struct team *team) 693492b200eSJiri Pirko { 694492b200eSJiri Pirko if (!team->mcast_rejoin.count || !netif_running(team->dev)) 695492b200eSJiri Pirko return; 69647549650SJoe Lawrence atomic_add(team->mcast_rejoin.count, &team->mcast_rejoin.count_pending); 697492b200eSJiri Pirko schedule_delayed_work(&team->mcast_rejoin.dw, 0); 698492b200eSJiri Pirko } 699492b200eSJiri Pirko 700492b200eSJiri Pirko static void team_mcast_rejoin_init(struct team *team) 701492b200eSJiri Pirko { 702492b200eSJiri Pirko INIT_DELAYED_WORK(&team->mcast_rejoin.dw, team_mcast_rejoin_work); 703492b200eSJiri Pirko } 704492b200eSJiri Pirko 705492b200eSJiri Pirko static void team_mcast_rejoin_fini(struct team *team) 706492b200eSJiri Pirko { 707492b200eSJiri Pirko cancel_delayed_work_sync(&team->mcast_rejoin.dw); 708492b200eSJiri Pirko } 709492b200eSJiri Pirko 710492b200eSJiri Pirko 7113d249d4cSJiri Pirko /************************ 7123d249d4cSJiri Pirko * Rx path frame handler 7133d249d4cSJiri Pirko ************************/ 7143d249d4cSJiri Pirko 7153d249d4cSJiri Pirko /* note: already called with rcu_read_lock */ 7163d249d4cSJiri Pirko static rx_handler_result_t team_handle_frame(struct sk_buff **pskb) 7173d249d4cSJiri Pirko { 7183d249d4cSJiri Pirko struct sk_buff *skb = *pskb; 7193d249d4cSJiri Pirko struct team_port *port; 7203d249d4cSJiri Pirko struct team *team; 7213d249d4cSJiri Pirko rx_handler_result_t res; 7223d249d4cSJiri Pirko 7233d249d4cSJiri Pirko skb = skb_share_check(skb, GFP_ATOMIC); 7243d249d4cSJiri Pirko if (!skb) 7253d249d4cSJiri Pirko return RX_HANDLER_CONSUMED; 7263d249d4cSJiri Pirko 7273d249d4cSJiri Pirko *pskb = skb; 7283d249d4cSJiri Pirko 7293d249d4cSJiri Pirko port = team_port_get_rcu(skb->dev); 7303d249d4cSJiri Pirko team = port->team; 73119a0b58eSJiri Pirko if (!team_port_enabled(port)) { 73219a0b58eSJiri Pirko /* allow exact match delivery for disabled ports */ 73319a0b58eSJiri Pirko res = RX_HANDLER_EXACT; 73419a0b58eSJiri Pirko } else { 7353d249d4cSJiri Pirko res = team->ops.receive(team, port, skb); 73619a0b58eSJiri Pirko } 7373d249d4cSJiri Pirko if (res == RX_HANDLER_ANOTHER) { 7383d249d4cSJiri Pirko struct team_pcpu_stats *pcpu_stats; 7393d249d4cSJiri Pirko 7403d249d4cSJiri Pirko pcpu_stats = this_cpu_ptr(team->pcpu_stats); 7413d249d4cSJiri Pirko u64_stats_update_begin(&pcpu_stats->syncp); 7423d249d4cSJiri Pirko pcpu_stats->rx_packets++; 7433d249d4cSJiri Pirko pcpu_stats->rx_bytes += skb->len; 7443d249d4cSJiri Pirko if (skb->pkt_type == PACKET_MULTICAST) 7453d249d4cSJiri Pirko pcpu_stats->rx_multicast++; 7463d249d4cSJiri Pirko u64_stats_update_end(&pcpu_stats->syncp); 7473d249d4cSJiri Pirko 7483d249d4cSJiri Pirko skb->dev = team->dev; 749bb63daf9SJarod Wilson } else if (res == RX_HANDLER_EXACT) { 750bb63daf9SJarod Wilson this_cpu_inc(team->pcpu_stats->rx_nohandler); 7513d249d4cSJiri Pirko } else { 7523d249d4cSJiri Pirko this_cpu_inc(team->pcpu_stats->rx_dropped); 7533d249d4cSJiri Pirko } 7543d249d4cSJiri Pirko 7553d249d4cSJiri Pirko return res; 7563d249d4cSJiri Pirko } 7573d249d4cSJiri Pirko 7583d249d4cSJiri Pirko 7598ff5105aSJiri Pirko /************************************* 7608ff5105aSJiri Pirko * Multiqueue Tx port select override 7618ff5105aSJiri Pirko *************************************/ 7628ff5105aSJiri Pirko 7638ff5105aSJiri Pirko static int team_queue_override_init(struct team *team) 7648ff5105aSJiri Pirko { 7658ff5105aSJiri Pirko struct list_head *listarr; 7668ff5105aSJiri Pirko unsigned int queue_cnt = team->dev->num_tx_queues - 1; 7678ff5105aSJiri Pirko unsigned int i; 7688ff5105aSJiri Pirko 7698ff5105aSJiri Pirko if (!queue_cnt) 7708ff5105aSJiri Pirko return 0; 7716da2ec56SKees Cook listarr = kmalloc_array(queue_cnt, sizeof(struct list_head), 7726da2ec56SKees Cook GFP_KERNEL); 7738ff5105aSJiri Pirko if (!listarr) 7748ff5105aSJiri Pirko return -ENOMEM; 7758ff5105aSJiri Pirko team->qom_lists = listarr; 7768ff5105aSJiri Pirko for (i = 0; i < queue_cnt; i++) 7778ff5105aSJiri Pirko INIT_LIST_HEAD(listarr++); 7788ff5105aSJiri Pirko return 0; 7798ff5105aSJiri Pirko } 7808ff5105aSJiri Pirko 7818ff5105aSJiri Pirko static void team_queue_override_fini(struct team *team) 7828ff5105aSJiri Pirko { 7838ff5105aSJiri Pirko kfree(team->qom_lists); 7848ff5105aSJiri Pirko } 7858ff5105aSJiri Pirko 7868ff5105aSJiri Pirko static struct list_head *__team_get_qom_list(struct team *team, u16 queue_id) 7878ff5105aSJiri Pirko { 7888ff5105aSJiri Pirko return &team->qom_lists[queue_id - 1]; 7898ff5105aSJiri Pirko } 7908ff5105aSJiri Pirko 7918ff5105aSJiri Pirko /* 7928ff5105aSJiri Pirko * note: already called with rcu_read_lock 7938ff5105aSJiri Pirko */ 7948ff5105aSJiri Pirko static bool team_queue_override_transmit(struct team *team, struct sk_buff *skb) 7958ff5105aSJiri Pirko { 7968ff5105aSJiri Pirko struct list_head *qom_list; 7978ff5105aSJiri Pirko struct team_port *port; 7988ff5105aSJiri Pirko 7998ff5105aSJiri Pirko if (!team->queue_override_enabled || !skb->queue_mapping) 8008ff5105aSJiri Pirko return false; 8018ff5105aSJiri Pirko qom_list = __team_get_qom_list(team, skb->queue_mapping); 8028ff5105aSJiri Pirko list_for_each_entry_rcu(port, qom_list, qom_list) { 8038ff5105aSJiri Pirko if (!team_dev_queue_xmit(team, port, skb)) 8048ff5105aSJiri Pirko return true; 8058ff5105aSJiri Pirko } 8068ff5105aSJiri Pirko return false; 8078ff5105aSJiri Pirko } 8088ff5105aSJiri Pirko 8098ff5105aSJiri Pirko static void __team_queue_override_port_del(struct team *team, 8108ff5105aSJiri Pirko struct team_port *port) 8118ff5105aSJiri Pirko { 8126c31ff36SJiri Pirko if (!port->queue_id) 8136c31ff36SJiri Pirko return; 8148ff5105aSJiri Pirko list_del_rcu(&port->qom_list); 8158ff5105aSJiri Pirko } 8168ff5105aSJiri Pirko 8178ff5105aSJiri Pirko static bool team_queue_override_port_has_gt_prio_than(struct team_port *port, 8188ff5105aSJiri Pirko struct team_port *cur) 8198ff5105aSJiri Pirko { 8208ff5105aSJiri Pirko if (port->priority < cur->priority) 8218ff5105aSJiri Pirko return true; 8228ff5105aSJiri Pirko if (port->priority > cur->priority) 8238ff5105aSJiri Pirko return false; 8248ff5105aSJiri Pirko if (port->index < cur->index) 8258ff5105aSJiri Pirko return true; 8268ff5105aSJiri Pirko return false; 8278ff5105aSJiri Pirko } 8288ff5105aSJiri Pirko 8298ff5105aSJiri Pirko static void __team_queue_override_port_add(struct team *team, 8308ff5105aSJiri Pirko struct team_port *port) 8318ff5105aSJiri Pirko { 8328ff5105aSJiri Pirko struct team_port *cur; 8338ff5105aSJiri Pirko struct list_head *qom_list; 8348ff5105aSJiri Pirko struct list_head *node; 8358ff5105aSJiri Pirko 8366c31ff36SJiri Pirko if (!port->queue_id) 8378ff5105aSJiri Pirko return; 8388ff5105aSJiri Pirko qom_list = __team_get_qom_list(team, port->queue_id); 8398ff5105aSJiri Pirko node = qom_list; 8408ff5105aSJiri Pirko list_for_each_entry(cur, qom_list, qom_list) { 8418ff5105aSJiri Pirko if (team_queue_override_port_has_gt_prio_than(port, cur)) 8428ff5105aSJiri Pirko break; 8438ff5105aSJiri Pirko node = &cur->qom_list; 8448ff5105aSJiri Pirko } 8458ff5105aSJiri Pirko list_add_tail_rcu(&port->qom_list, node); 8468ff5105aSJiri Pirko } 8478ff5105aSJiri Pirko 8488ff5105aSJiri Pirko static void __team_queue_override_enabled_check(struct team *team) 8498ff5105aSJiri Pirko { 8508ff5105aSJiri Pirko struct team_port *port; 8518ff5105aSJiri Pirko bool enabled = false; 8528ff5105aSJiri Pirko 8538ff5105aSJiri Pirko list_for_each_entry(port, &team->port_list, list) { 8546c31ff36SJiri Pirko if (port->queue_id) { 8558ff5105aSJiri Pirko enabled = true; 8568ff5105aSJiri Pirko break; 8578ff5105aSJiri Pirko } 8588ff5105aSJiri Pirko } 8598ff5105aSJiri Pirko if (enabled == team->queue_override_enabled) 8608ff5105aSJiri Pirko return; 8618ff5105aSJiri Pirko netdev_dbg(team->dev, "%s queue override\n", 8628ff5105aSJiri Pirko enabled ? "Enabling" : "Disabling"); 8638ff5105aSJiri Pirko team->queue_override_enabled = enabled; 8648ff5105aSJiri Pirko } 8658ff5105aSJiri Pirko 8666c31ff36SJiri Pirko static void team_queue_override_port_prio_changed(struct team *team, 8676c31ff36SJiri Pirko struct team_port *port) 8686c31ff36SJiri Pirko { 8696c31ff36SJiri Pirko if (!port->queue_id || team_port_enabled(port)) 8706c31ff36SJiri Pirko return; 8716c31ff36SJiri Pirko __team_queue_override_port_del(team, port); 8726c31ff36SJiri Pirko __team_queue_override_port_add(team, port); 8736c31ff36SJiri Pirko __team_queue_override_enabled_check(team); 8746c31ff36SJiri Pirko } 8756c31ff36SJiri Pirko 8766c31ff36SJiri Pirko static void team_queue_override_port_change_queue_id(struct team *team, 8776c31ff36SJiri Pirko struct team_port *port, 8786c31ff36SJiri Pirko u16 new_queue_id) 8796c31ff36SJiri Pirko { 8806c31ff36SJiri Pirko if (team_port_enabled(port)) { 8816c31ff36SJiri Pirko __team_queue_override_port_del(team, port); 8826c31ff36SJiri Pirko port->queue_id = new_queue_id; 8836c31ff36SJiri Pirko __team_queue_override_port_add(team, port); 8846c31ff36SJiri Pirko __team_queue_override_enabled_check(team); 8856c31ff36SJiri Pirko } else { 8866c31ff36SJiri Pirko port->queue_id = new_queue_id; 8876c31ff36SJiri Pirko } 8886c31ff36SJiri Pirko } 8896c31ff36SJiri Pirko 8906c31ff36SJiri Pirko static void team_queue_override_port_add(struct team *team, 8916c31ff36SJiri Pirko struct team_port *port) 8926c31ff36SJiri Pirko { 8936c31ff36SJiri Pirko __team_queue_override_port_add(team, port); 8946c31ff36SJiri Pirko __team_queue_override_enabled_check(team); 8956c31ff36SJiri Pirko } 8966c31ff36SJiri Pirko 8976c31ff36SJiri Pirko static void team_queue_override_port_del(struct team *team, 8988ff5105aSJiri Pirko struct team_port *port) 8998ff5105aSJiri Pirko { 9008ff5105aSJiri Pirko __team_queue_override_port_del(team, port); 9018ff5105aSJiri Pirko __team_queue_override_enabled_check(team); 9028ff5105aSJiri Pirko } 9038ff5105aSJiri Pirko 9048ff5105aSJiri Pirko 9053d249d4cSJiri Pirko /**************** 9063d249d4cSJiri Pirko * Port handling 9073d249d4cSJiri Pirko ****************/ 9083d249d4cSJiri Pirko 9093d249d4cSJiri Pirko static bool team_port_find(const struct team *team, 9103d249d4cSJiri Pirko const struct team_port *port) 9113d249d4cSJiri Pirko { 9123d249d4cSJiri Pirko struct team_port *cur; 9133d249d4cSJiri Pirko 9143d249d4cSJiri Pirko list_for_each_entry(cur, &team->port_list, list) 9153d249d4cSJiri Pirko if (cur == port) 9163d249d4cSJiri Pirko return true; 9173d249d4cSJiri Pirko return false; 9183d249d4cSJiri Pirko } 9193d249d4cSJiri Pirko 9203d249d4cSJiri Pirko /* 92119a0b58eSJiri Pirko * Enable/disable port by adding to enabled port hashlist and setting 92219a0b58eSJiri Pirko * port->index (Might be racy so reader could see incorrect ifindex when 92319a0b58eSJiri Pirko * processing a flying packet, but that is not a problem). Write guarded 92419a0b58eSJiri Pirko * by team->lock. 9253d249d4cSJiri Pirko */ 92619a0b58eSJiri Pirko static void team_port_enable(struct team *team, 9273d249d4cSJiri Pirko struct team_port *port) 9283d249d4cSJiri Pirko { 92919a0b58eSJiri Pirko if (team_port_enabled(port)) 93019a0b58eSJiri Pirko return; 93119a0b58eSJiri Pirko port->index = team->en_port_count++; 9323d249d4cSJiri Pirko hlist_add_head_rcu(&port->hlist, 9333d249d4cSJiri Pirko team_port_index_hash(team, port->index)); 934122bb046SJiri Pirko team_adjust_ops(team); 9356c31ff36SJiri Pirko team_queue_override_port_add(team, port); 9364bccfd17SJiri Pirko if (team->ops.port_enabled) 9374bccfd17SJiri Pirko team->ops.port_enabled(team, port); 938fc423ff0SJiri Pirko team_notify_peers(team); 939492b200eSJiri Pirko team_mcast_rejoin(team); 9403a0d6c5aSJiri Pirko team_lower_state_changed(port); 9413d249d4cSJiri Pirko } 9423d249d4cSJiri Pirko 9433d249d4cSJiri Pirko static void __reconstruct_port_hlist(struct team *team, int rm_index) 9443d249d4cSJiri Pirko { 9453d249d4cSJiri Pirko int i; 9463d249d4cSJiri Pirko struct team_port *port; 9473d249d4cSJiri Pirko 94819a0b58eSJiri Pirko for (i = rm_index + 1; i < team->en_port_count; i++) { 9493d249d4cSJiri Pirko port = team_get_port_by_index(team, i); 9503d249d4cSJiri Pirko hlist_del_rcu(&port->hlist); 9513d249d4cSJiri Pirko port->index--; 9523d249d4cSJiri Pirko hlist_add_head_rcu(&port->hlist, 9533d249d4cSJiri Pirko team_port_index_hash(team, port->index)); 9543d249d4cSJiri Pirko } 9553d249d4cSJiri Pirko } 9563d249d4cSJiri Pirko 95719a0b58eSJiri Pirko static void team_port_disable(struct team *team, 9583d249d4cSJiri Pirko struct team_port *port) 9593d249d4cSJiri Pirko { 96019a0b58eSJiri Pirko if (!team_port_enabled(port)) 96119a0b58eSJiri Pirko return; 9624bccfd17SJiri Pirko if (team->ops.port_disabled) 9634bccfd17SJiri Pirko team->ops.port_disabled(team, port); 9643d249d4cSJiri Pirko hlist_del_rcu(&port->hlist); 965122bb046SJiri Pirko __reconstruct_port_hlist(team, port->index); 96619a0b58eSJiri Pirko port->index = -1; 967122bb046SJiri Pirko team->en_port_count--; 968735d381fSJiri Pirko team_queue_override_port_del(team, port); 969735d381fSJiri Pirko team_adjust_ops(team); 9703a0d6c5aSJiri Pirko team_lower_state_changed(port); 9713d249d4cSJiri Pirko } 9723d249d4cSJiri Pirko 973a188222bSTom Herbert #define TEAM_VLAN_FEATURES (NETIF_F_HW_CSUM | NETIF_F_SG | \ 9743d249d4cSJiri Pirko NETIF_F_FRAGLIST | NETIF_F_ALL_TSO | \ 9753d249d4cSJiri Pirko NETIF_F_HIGHDMA | NETIF_F_LRO) 9763d249d4cSJiri Pirko 9773268e5cbSEran Ben Elisha #define TEAM_ENC_FEATURES (NETIF_F_HW_CSUM | NETIF_F_SG | \ 9783268e5cbSEran Ben Elisha NETIF_F_RXCSUM | NETIF_F_ALL_TSO) 9793268e5cbSEran Ben Elisha 98016cf72bbSXin Long static void __team_compute_features(struct team *team) 9813d249d4cSJiri Pirko { 9823d249d4cSJiri Pirko struct team_port *port; 98325ea6654SDan Carpenter netdev_features_t vlan_features = TEAM_VLAN_FEATURES & 98425ea6654SDan Carpenter NETIF_F_ALL_FOR_ALL; 9853268e5cbSEran Ben Elisha netdev_features_t enc_features = TEAM_ENC_FEATURES; 9863d249d4cSJiri Pirko unsigned short max_hard_header_len = ETH_HLEN; 98702875878SEric Dumazet unsigned int dst_release_flag = IFF_XMIT_DST_RELEASE | 98802875878SEric Dumazet IFF_XMIT_DST_RELEASE_PERM; 9893d249d4cSJiri Pirko 9903d249d4cSJiri Pirko list_for_each_entry(port, &team->port_list, list) { 9913d249d4cSJiri Pirko vlan_features = netdev_increment_features(vlan_features, 9923d249d4cSJiri Pirko port->dev->vlan_features, 9933d249d4cSJiri Pirko TEAM_VLAN_FEATURES); 9943268e5cbSEran Ben Elisha enc_features = 9953268e5cbSEran Ben Elisha netdev_increment_features(enc_features, 9963268e5cbSEran Ben Elisha port->dev->hw_enc_features, 9973268e5cbSEran Ben Elisha TEAM_ENC_FEATURES); 9983268e5cbSEran Ben Elisha 9993d249d4cSJiri Pirko 1000dc905951SJiri Pirko dst_release_flag &= port->dev->priv_flags; 10013d249d4cSJiri Pirko if (port->dev->hard_header_len > max_hard_header_len) 10023d249d4cSJiri Pirko max_hard_header_len = port->dev->hard_header_len; 10033d249d4cSJiri Pirko } 10043d249d4cSJiri Pirko 10053d249d4cSJiri Pirko team->dev->vlan_features = vlan_features; 10068eea1ca8SWillem de Bruijn team->dev->hw_enc_features = enc_features | NETIF_F_GSO_ENCAP_ALL | 10078eea1ca8SWillem de Bruijn NETIF_F_GSO_UDP_L4; 10083d249d4cSJiri Pirko team->dev->hard_header_len = max_hard_header_len; 10093d249d4cSJiri Pirko 101002875878SEric Dumazet team->dev->priv_flags &= ~IFF_XMIT_DST_RELEASE; 101102875878SEric Dumazet if (dst_release_flag == (IFF_XMIT_DST_RELEASE | IFF_XMIT_DST_RELEASE_PERM)) 101202875878SEric Dumazet team->dev->priv_flags |= IFF_XMIT_DST_RELEASE; 1013f6988cb6SIvan Vecera } 1014dc905951SJiri Pirko 10153d249d4cSJiri Pirko static void team_compute_features(struct team *team) 10163d249d4cSJiri Pirko { 101761dc3461SJiri Pirko mutex_lock(&team->lock); 101816cf72bbSXin Long __team_compute_features(team); 101961dc3461SJiri Pirko mutex_unlock(&team->lock); 1020f6988cb6SIvan Vecera netdev_change_features(team->dev); 10213d249d4cSJiri Pirko } 10223d249d4cSJiri Pirko 10233d249d4cSJiri Pirko static int team_port_enter(struct team *team, struct team_port *port) 10243d249d4cSJiri Pirko { 10253d249d4cSJiri Pirko int err = 0; 10263d249d4cSJiri Pirko 10273d249d4cSJiri Pirko dev_hold(team->dev); 10283d249d4cSJiri Pirko if (team->ops.port_enter) { 10293d249d4cSJiri Pirko err = team->ops.port_enter(team, port); 10303d249d4cSJiri Pirko if (err) { 10313d249d4cSJiri Pirko netdev_err(team->dev, "Device %s failed to enter team mode\n", 10323d249d4cSJiri Pirko port->dev->name); 10333d249d4cSJiri Pirko goto err_port_enter; 10343d249d4cSJiri Pirko } 10353d249d4cSJiri Pirko } 10363d249d4cSJiri Pirko 10373d249d4cSJiri Pirko return 0; 10383d249d4cSJiri Pirko 10393d249d4cSJiri Pirko err_port_enter: 10403d249d4cSJiri Pirko dev_put(team->dev); 10413d249d4cSJiri Pirko 10423d249d4cSJiri Pirko return err; 10433d249d4cSJiri Pirko } 10443d249d4cSJiri Pirko 10453d249d4cSJiri Pirko static void team_port_leave(struct team *team, struct team_port *port) 10463d249d4cSJiri Pirko { 10473d249d4cSJiri Pirko if (team->ops.port_leave) 10483d249d4cSJiri Pirko team->ops.port_leave(team, port); 10493d249d4cSJiri Pirko dev_put(team->dev); 10503d249d4cSJiri Pirko } 10513d249d4cSJiri Pirko 1052bd2d0837SJiri Pirko #ifdef CONFIG_NET_POLL_CONTROLLER 10539cf2f437SXin Long static int __team_port_enable_netpoll(struct team_port *port) 1054bd2d0837SJiri Pirko { 1055bd2d0837SJiri Pirko struct netpoll *np; 1056bd2d0837SJiri Pirko int err; 1057bd2d0837SJiri Pirko 1058a8779ec1SEric W. Biederman np = kzalloc(sizeof(*np), GFP_KERNEL); 1059bd2d0837SJiri Pirko if (!np) 1060bd2d0837SJiri Pirko return -ENOMEM; 1061bd2d0837SJiri Pirko 1062a8779ec1SEric W. Biederman err = __netpoll_setup(np, port->dev); 1063bd2d0837SJiri Pirko if (err) { 1064bd2d0837SJiri Pirko kfree(np); 1065bd2d0837SJiri Pirko return err; 1066bd2d0837SJiri Pirko } 1067bd2d0837SJiri Pirko port->np = np; 1068bd2d0837SJiri Pirko return err; 1069bd2d0837SJiri Pirko } 1070bd2d0837SJiri Pirko 10719cf2f437SXin Long static int team_port_enable_netpoll(struct team_port *port) 10729cf2f437SXin Long { 10739cf2f437SXin Long if (!port->team->dev->npinfo) 10749cf2f437SXin Long return 0; 10759cf2f437SXin Long 10769cf2f437SXin Long return __team_port_enable_netpoll(port); 10779cf2f437SXin Long } 10789cf2f437SXin Long 1079bd2d0837SJiri Pirko static void team_port_disable_netpoll(struct team_port *port) 1080bd2d0837SJiri Pirko { 1081bd2d0837SJiri Pirko struct netpoll *np = port->np; 1082bd2d0837SJiri Pirko 1083bd2d0837SJiri Pirko if (!np) 1084bd2d0837SJiri Pirko return; 1085bd2d0837SJiri Pirko port->np = NULL; 1086bd2d0837SJiri Pirko 1087c9fbd71fSDebabrata Banerjee __netpoll_free(np); 1088bd2d0837SJiri Pirko } 1089bd2d0837SJiri Pirko #else 10909cf2f437SXin Long static int team_port_enable_netpoll(struct team_port *port) 1091bd2d0837SJiri Pirko { 1092bd2d0837SJiri Pirko return 0; 1093bd2d0837SJiri Pirko } 1094bd2d0837SJiri Pirko static void team_port_disable_netpoll(struct team_port *port) 1095bd2d0837SJiri Pirko { 1096bd2d0837SJiri Pirko } 1097bd2d0837SJiri Pirko #endif 1098bd2d0837SJiri Pirko 109944d15d93SIdo Schimmel static int team_upper_dev_link(struct team *team, struct team_port *port, 110044d15d93SIdo Schimmel struct netlink_ext_ack *extack) 1101d7d3c051SJiri Pirko { 11028fd72856SJiri Pirko struct netdev_lag_upper_info lag_upper_info; 1103d7d3c051SJiri Pirko int err; 1104d7d3c051SJiri Pirko 11058fd72856SJiri Pirko lag_upper_info.tx_type = team->mode->lag_tx_type; 1106f44aa9efSJohn Hurley lag_upper_info.hash_type = NETDEV_LAG_HASH_UNKNOWN; 11078fd72856SJiri Pirko err = netdev_master_upper_dev_link(port->dev, team->dev, NULL, 110844d15d93SIdo Schimmel &lag_upper_info, extack); 1109d7d3c051SJiri Pirko if (err) 1110d7d3c051SJiri Pirko return err; 11118fd72856SJiri Pirko port->dev->priv_flags |= IFF_TEAM_PORT; 1112d7d3c051SJiri Pirko return 0; 1113d7d3c051SJiri Pirko } 1114d7d3c051SJiri Pirko 11158fd72856SJiri Pirko static void team_upper_dev_unlink(struct team *team, struct team_port *port) 1116d7d3c051SJiri Pirko { 11178fd72856SJiri Pirko netdev_upper_dev_unlink(port->dev, team->dev); 11188fd72856SJiri Pirko port->dev->priv_flags &= ~IFF_TEAM_PORT; 1119d7d3c051SJiri Pirko } 1120d7d3c051SJiri Pirko 112110f3f51dSJiri Pirko static void __team_port_change_port_added(struct team_port *port, bool linkup); 11221d76efe1SJiri Pirko static int team_dev_type_check_change(struct net_device *dev, 11231d76efe1SJiri Pirko struct net_device *port_dev); 11243d249d4cSJiri Pirko 112544d15d93SIdo Schimmel static int team_port_add(struct team *team, struct net_device *port_dev, 112644d15d93SIdo Schimmel struct netlink_ext_ack *extack) 11273d249d4cSJiri Pirko { 11283d249d4cSJiri Pirko struct net_device *dev = team->dev; 11293d249d4cSJiri Pirko struct team_port *port; 11303d249d4cSJiri Pirko char *portname = port_dev->name; 11313d249d4cSJiri Pirko int err; 11323d249d4cSJiri Pirko 11331d76efe1SJiri Pirko if (port_dev->flags & IFF_LOOPBACK) { 113444d15d93SIdo Schimmel NL_SET_ERR_MSG(extack, "Loopback device can't be added as a team port"); 11351d76efe1SJiri Pirko netdev_err(dev, "Device %s is loopback device. Loopback devices can't be added as a team port\n", 11363d249d4cSJiri Pirko portname); 11373d249d4cSJiri Pirko return -EINVAL; 11383d249d4cSJiri Pirko } 11393d249d4cSJiri Pirko 1140acb10eacSJulian Wiedmann if (netif_is_team_port(port_dev)) { 114144d15d93SIdo Schimmel NL_SET_ERR_MSG(extack, "Device is already a port of a team device"); 11423d249d4cSJiri Pirko netdev_err(dev, "Device %s is already a port " 11433d249d4cSJiri Pirko "of a team device\n", portname); 11443d249d4cSJiri Pirko return -EBUSY; 11453d249d4cSJiri Pirko } 11463d249d4cSJiri Pirko 1147471b83bdSIdo Schimmel if (dev == port_dev) { 1148471b83bdSIdo Schimmel NL_SET_ERR_MSG(extack, "Cannot enslave team device to itself"); 1149471b83bdSIdo Schimmel netdev_err(dev, "Cannot enslave team device to itself\n"); 1150471b83bdSIdo Schimmel return -EINVAL; 1151471b83bdSIdo Schimmel } 1152471b83bdSIdo Schimmel 1153925b0c84SHangbin Liu if (netdev_has_upper_dev(dev, port_dev)) { 1154925b0c84SHangbin Liu NL_SET_ERR_MSG(extack, "Device is already an upper device of the team interface"); 1155925b0c84SHangbin Liu netdev_err(dev, "Device %s is already an upper device of the team interface\n", 1156925b0c84SHangbin Liu portname); 1157925b0c84SHangbin Liu return -EBUSY; 1158925b0c84SHangbin Liu } 1159925b0c84SHangbin Liu 11602c33bb37SJiri Pirko if (port_dev->features & NETIF_F_VLAN_CHALLENGED && 11612c33bb37SJiri Pirko vlan_uses_dev(dev)) { 116244d15d93SIdo Schimmel NL_SET_ERR_MSG(extack, "Device is VLAN challenged and team device has VLAN set up"); 11632c33bb37SJiri Pirko netdev_err(dev, "Device %s is VLAN challenged and team device has VLAN set up\n", 11642c33bb37SJiri Pirko portname); 11652c33bb37SJiri Pirko return -EPERM; 11662c33bb37SJiri Pirko } 11672c33bb37SJiri Pirko 11681d76efe1SJiri Pirko err = team_dev_type_check_change(dev, port_dev); 11691d76efe1SJiri Pirko if (err) 11701d76efe1SJiri Pirko return err; 11711d76efe1SJiri Pirko 11723d249d4cSJiri Pirko if (port_dev->flags & IFF_UP) { 117344d15d93SIdo Schimmel NL_SET_ERR_MSG(extack, "Device is up. Set it down before adding it as a team port"); 11743d249d4cSJiri Pirko netdev_err(dev, "Device %s is up. Set it down before adding it as a team port\n", 11753d249d4cSJiri Pirko portname); 11763d249d4cSJiri Pirko return -EBUSY; 11773d249d4cSJiri Pirko } 11783d249d4cSJiri Pirko 11795149ee58SJiri Pirko port = kzalloc(sizeof(struct team_port) + team->mode->port_priv_size, 11805149ee58SJiri Pirko GFP_KERNEL); 11813d249d4cSJiri Pirko if (!port) 11823d249d4cSJiri Pirko return -ENOMEM; 11833d249d4cSJiri Pirko 11843d249d4cSJiri Pirko port->dev = port_dev; 11853d249d4cSJiri Pirko port->team = team; 11868ff5105aSJiri Pirko INIT_LIST_HEAD(&port->qom_list); 11873d249d4cSJiri Pirko 11883d249d4cSJiri Pirko port->orig.mtu = port_dev->mtu; 11893d249d4cSJiri Pirko err = dev_set_mtu(port_dev, dev->mtu); 11903d249d4cSJiri Pirko if (err) { 11913d249d4cSJiri Pirko netdev_dbg(dev, "Error %d calling dev_set_mtu\n", err); 11923d249d4cSJiri Pirko goto err_set_mtu; 11933d249d4cSJiri Pirko } 11943d249d4cSJiri Pirko 11951d76efe1SJiri Pirko memcpy(port->orig.dev_addr, port_dev->dev_addr, port_dev->addr_len); 11963d249d4cSJiri Pirko 11973d249d4cSJiri Pirko err = team_port_enter(team, port); 11983d249d4cSJiri Pirko if (err) { 11993d249d4cSJiri Pirko netdev_err(dev, "Device %s failed to enter team mode\n", 12003d249d4cSJiri Pirko portname); 12013d249d4cSJiri Pirko goto err_port_enter; 12023d249d4cSJiri Pirko } 12033d249d4cSJiri Pirko 120400f54e68SPetr Machata err = dev_open(port_dev, extack); 12053d249d4cSJiri Pirko if (err) { 12063d249d4cSJiri Pirko netdev_dbg(dev, "Device %s opening failed\n", 12073d249d4cSJiri Pirko portname); 12083d249d4cSJiri Pirko goto err_dev_open; 12093d249d4cSJiri Pirko } 12103d249d4cSJiri Pirko 121157459185SJiri Pirko err = vlan_vids_add_by_dev(port_dev, dev); 121257459185SJiri Pirko if (err) { 121357459185SJiri Pirko netdev_err(dev, "Failed to add vlan ids to device %s\n", 121457459185SJiri Pirko portname); 121557459185SJiri Pirko goto err_vids_add; 121657459185SJiri Pirko } 121757459185SJiri Pirko 12189cf2f437SXin Long err = team_port_enable_netpoll(port); 1219bd2d0837SJiri Pirko if (err) { 1220bd2d0837SJiri Pirko netdev_err(dev, "Failed to enable netpoll on device %s\n", 1221bd2d0837SJiri Pirko portname); 1222bd2d0837SJiri Pirko goto err_enable_netpoll; 1223bd2d0837SJiri Pirko } 1224bd2d0837SJiri Pirko 1225fbe168baSMichal Kubeček if (!(dev->features & NETIF_F_LRO)) 1226fbe168baSMichal Kubeček dev_disable_lro(port_dev); 1227fbe168baSMichal Kubeček 12283d249d4cSJiri Pirko err = netdev_rx_handler_register(port_dev, team_handle_frame, 12293d249d4cSJiri Pirko port); 12303d249d4cSJiri Pirko if (err) { 12313d249d4cSJiri Pirko netdev_err(dev, "Device %s failed to register rx_handler\n", 12323d249d4cSJiri Pirko portname); 12333d249d4cSJiri Pirko goto err_handler_register; 12343d249d4cSJiri Pirko } 12353d249d4cSJiri Pirko 123644d15d93SIdo Schimmel err = team_upper_dev_link(team, port, extack); 1237d7d3c051SJiri Pirko if (err) { 1238d7d3c051SJiri Pirko netdev_err(dev, "Device %s failed to set upper link\n", 1239d7d3c051SJiri Pirko portname); 1240d7d3c051SJiri Pirko goto err_set_upper_link; 1241d7d3c051SJiri Pirko } 1242d7d3c051SJiri Pirko 124335b384bdSJiri Pirko err = __team_option_inst_add_port(team, port); 124480f7c668SJiri Pirko if (err) { 124580f7c668SJiri Pirko netdev_err(dev, "Device %s failed to add per-port options\n", 124680f7c668SJiri Pirko portname); 124780f7c668SJiri Pirko goto err_option_port_add; 124880f7c668SJiri Pirko } 124980f7c668SJiri Pirko 125043c2adb9SHangbin Liu /* set promiscuity level to new slave */ 125143c2adb9SHangbin Liu if (dev->flags & IFF_PROMISC) { 125243c2adb9SHangbin Liu err = dev_set_promiscuity(port_dev, 1); 125343c2adb9SHangbin Liu if (err) 125443c2adb9SHangbin Liu goto err_set_slave_promisc; 125543c2adb9SHangbin Liu } 125643c2adb9SHangbin Liu 125743c2adb9SHangbin Liu /* set allmulti level to new slave */ 125843c2adb9SHangbin Liu if (dev->flags & IFF_ALLMULTI) { 125943c2adb9SHangbin Liu err = dev_set_allmulti(port_dev, 1); 126043c2adb9SHangbin Liu if (err) { 126143c2adb9SHangbin Liu if (dev->flags & IFF_PROMISC) 126243c2adb9SHangbin Liu dev_set_promiscuity(port_dev, -1); 126343c2adb9SHangbin Liu goto err_set_slave_promisc; 126443c2adb9SHangbin Liu } 126543c2adb9SHangbin Liu } 126643c2adb9SHangbin Liu 1267982cf3b3SXin Long netif_addr_lock_bh(dev); 1268982cf3b3SXin Long dev_uc_sync_multiple(port_dev, dev); 1269982cf3b3SXin Long dev_mc_sync_multiple(port_dev, dev); 1270982cf3b3SXin Long netif_addr_unlock_bh(dev); 1271982cf3b3SXin Long 127219a0b58eSJiri Pirko port->index = -1; 127319a0b58eSJiri Pirko list_add_tail_rcu(&port->list, &team->port_list); 127472df935dSJiri Pirko team_port_enable(team, port); 12753d249d4cSJiri Pirko __team_compute_features(team); 12768c7a7726SGeorge Wilkie __team_port_change_port_added(port, !!netif_oper_up(port_dev)); 127735b384bdSJiri Pirko __team_options_change_check(team); 12783d249d4cSJiri Pirko 12793d249d4cSJiri Pirko netdev_info(dev, "Port device %s added\n", portname); 12803d249d4cSJiri Pirko 12813d249d4cSJiri Pirko return 0; 12823d249d4cSJiri Pirko 128343c2adb9SHangbin Liu err_set_slave_promisc: 128443c2adb9SHangbin Liu __team_option_inst_del_port(team, port); 128543c2adb9SHangbin Liu 128680f7c668SJiri Pirko err_option_port_add: 12878fd72856SJiri Pirko team_upper_dev_unlink(team, port); 1288d7d3c051SJiri Pirko 1289d7d3c051SJiri Pirko err_set_upper_link: 129080f7c668SJiri Pirko netdev_rx_handler_unregister(port_dev); 129180f7c668SJiri Pirko 12923d249d4cSJiri Pirko err_handler_register: 1293bd2d0837SJiri Pirko team_port_disable_netpoll(port); 1294bd2d0837SJiri Pirko 1295bd2d0837SJiri Pirko err_enable_netpoll: 129657459185SJiri Pirko vlan_vids_del_by_dev(port_dev, dev); 129757459185SJiri Pirko 129857459185SJiri Pirko err_vids_add: 12993d249d4cSJiri Pirko dev_close(port_dev); 13003d249d4cSJiri Pirko 13013d249d4cSJiri Pirko err_dev_open: 13023d249d4cSJiri Pirko team_port_leave(team, port); 13031d76efe1SJiri Pirko team_port_set_orig_dev_addr(port); 13043d249d4cSJiri Pirko 13053d249d4cSJiri Pirko err_port_enter: 13063d249d4cSJiri Pirko dev_set_mtu(port_dev, port->orig.mtu); 13073d249d4cSJiri Pirko 13083d249d4cSJiri Pirko err_set_mtu: 13093d249d4cSJiri Pirko kfree(port); 13103d249d4cSJiri Pirko 13113d249d4cSJiri Pirko return err; 13123d249d4cSJiri Pirko } 13133d249d4cSJiri Pirko 131410f3f51dSJiri Pirko static void __team_port_change_port_removed(struct team_port *port); 131510f3f51dSJiri Pirko 13163d249d4cSJiri Pirko static int team_port_del(struct team *team, struct net_device *port_dev) 13173d249d4cSJiri Pirko { 13183d249d4cSJiri Pirko struct net_device *dev = team->dev; 13193d249d4cSJiri Pirko struct team_port *port; 13203d249d4cSJiri Pirko char *portname = port_dev->name; 13213d249d4cSJiri Pirko 13223d249d4cSJiri Pirko port = team_port_get_rtnl(port_dev); 13233d249d4cSJiri Pirko if (!port || !team_port_find(team, port)) { 13243d249d4cSJiri Pirko netdev_err(dev, "Device %s does not act as a port of this team\n", 13253d249d4cSJiri Pirko portname); 13263d249d4cSJiri Pirko return -ENOENT; 13273d249d4cSJiri Pirko } 13283d249d4cSJiri Pirko 132919a0b58eSJiri Pirko team_port_disable(team, port); 133019a0b58eSJiri Pirko list_del_rcu(&port->list); 133143c2adb9SHangbin Liu 133243c2adb9SHangbin Liu if (dev->flags & IFF_PROMISC) 133343c2adb9SHangbin Liu dev_set_promiscuity(port_dev, -1); 133443c2adb9SHangbin Liu if (dev->flags & IFF_ALLMULTI) 133543c2adb9SHangbin Liu dev_set_allmulti(port_dev, -1); 133643c2adb9SHangbin Liu 13378fd72856SJiri Pirko team_upper_dev_unlink(team, port); 13383d249d4cSJiri Pirko netdev_rx_handler_unregister(port_dev); 1339bd2d0837SJiri Pirko team_port_disable_netpoll(port); 134057459185SJiri Pirko vlan_vids_del_by_dev(port_dev, dev); 1341ba81276bSVlad Yasevich dev_uc_unsync(port_dev, dev); 1342ba81276bSVlad Yasevich dev_mc_unsync(port_dev, dev); 13433d249d4cSJiri Pirko dev_close(port_dev); 13443d249d4cSJiri Pirko team_port_leave(team, port); 1345c3969d80SJiri Pirko 1346c3969d80SJiri Pirko __team_option_inst_mark_removed_port(team, port); 1347c3969d80SJiri Pirko __team_options_change_check(team); 1348c3969d80SJiri Pirko __team_option_inst_del_port(team, port); 1349c3969d80SJiri Pirko __team_port_change_port_removed(port); 1350c3969d80SJiri Pirko 13511d76efe1SJiri Pirko team_port_set_orig_dev_addr(port); 13523d249d4cSJiri Pirko dev_set_mtu(port_dev, port->orig.mtu); 1353d80b35beSJiri Pirko kfree_rcu(port, rcu); 13543d249d4cSJiri Pirko netdev_info(dev, "Port device %s removed\n", portname); 13553d249d4cSJiri Pirko __team_compute_features(team); 13563d249d4cSJiri Pirko 13573d249d4cSJiri Pirko return 0; 13583d249d4cSJiri Pirko } 13593d249d4cSJiri Pirko 13603d249d4cSJiri Pirko 13613d249d4cSJiri Pirko /***************** 13623d249d4cSJiri Pirko * Net device ops 13633d249d4cSJiri Pirko *****************/ 13643d249d4cSJiri Pirko 136580f7c668SJiri Pirko static int team_mode_option_get(struct team *team, struct team_gsetter_ctx *ctx) 13663d249d4cSJiri Pirko { 1367d299cd51SJiri Pirko ctx->data.str_val = team->mode->kind; 13683d249d4cSJiri Pirko return 0; 13693d249d4cSJiri Pirko } 13703d249d4cSJiri Pirko 137180f7c668SJiri Pirko static int team_mode_option_set(struct team *team, struct team_gsetter_ctx *ctx) 13723d249d4cSJiri Pirko { 137380f7c668SJiri Pirko return team_change_mode(team, ctx->data.str_val); 13743d249d4cSJiri Pirko } 13753d249d4cSJiri Pirko 1376fc423ff0SJiri Pirko static int team_notify_peers_count_get(struct team *team, 1377fc423ff0SJiri Pirko struct team_gsetter_ctx *ctx) 1378fc423ff0SJiri Pirko { 1379fc423ff0SJiri Pirko ctx->data.u32_val = team->notify_peers.count; 1380fc423ff0SJiri Pirko return 0; 1381fc423ff0SJiri Pirko } 1382fc423ff0SJiri Pirko 1383fc423ff0SJiri Pirko static int team_notify_peers_count_set(struct team *team, 1384fc423ff0SJiri Pirko struct team_gsetter_ctx *ctx) 1385fc423ff0SJiri Pirko { 1386fc423ff0SJiri Pirko team->notify_peers.count = ctx->data.u32_val; 1387fc423ff0SJiri Pirko return 0; 1388fc423ff0SJiri Pirko } 1389fc423ff0SJiri Pirko 1390fc423ff0SJiri Pirko static int team_notify_peers_interval_get(struct team *team, 1391fc423ff0SJiri Pirko struct team_gsetter_ctx *ctx) 1392fc423ff0SJiri Pirko { 1393fc423ff0SJiri Pirko ctx->data.u32_val = team->notify_peers.interval; 1394fc423ff0SJiri Pirko return 0; 1395fc423ff0SJiri Pirko } 1396fc423ff0SJiri Pirko 1397fc423ff0SJiri Pirko static int team_notify_peers_interval_set(struct team *team, 1398fc423ff0SJiri Pirko struct team_gsetter_ctx *ctx) 1399fc423ff0SJiri Pirko { 1400fc423ff0SJiri Pirko team->notify_peers.interval = ctx->data.u32_val; 1401fc423ff0SJiri Pirko return 0; 1402fc423ff0SJiri Pirko } 1403fc423ff0SJiri Pirko 1404492b200eSJiri Pirko static int team_mcast_rejoin_count_get(struct team *team, 1405492b200eSJiri Pirko struct team_gsetter_ctx *ctx) 1406492b200eSJiri Pirko { 1407492b200eSJiri Pirko ctx->data.u32_val = team->mcast_rejoin.count; 1408492b200eSJiri Pirko return 0; 1409492b200eSJiri Pirko } 1410492b200eSJiri Pirko 1411492b200eSJiri Pirko static int team_mcast_rejoin_count_set(struct team *team, 1412492b200eSJiri Pirko struct team_gsetter_ctx *ctx) 1413492b200eSJiri Pirko { 1414492b200eSJiri Pirko team->mcast_rejoin.count = ctx->data.u32_val; 1415492b200eSJiri Pirko return 0; 1416492b200eSJiri Pirko } 1417492b200eSJiri Pirko 1418492b200eSJiri Pirko static int team_mcast_rejoin_interval_get(struct team *team, 1419492b200eSJiri Pirko struct team_gsetter_ctx *ctx) 1420492b200eSJiri Pirko { 1421492b200eSJiri Pirko ctx->data.u32_val = team->mcast_rejoin.interval; 1422492b200eSJiri Pirko return 0; 1423492b200eSJiri Pirko } 1424492b200eSJiri Pirko 1425492b200eSJiri Pirko static int team_mcast_rejoin_interval_set(struct team *team, 1426492b200eSJiri Pirko struct team_gsetter_ctx *ctx) 1427492b200eSJiri Pirko { 1428492b200eSJiri Pirko team->mcast_rejoin.interval = ctx->data.u32_val; 1429492b200eSJiri Pirko return 0; 1430492b200eSJiri Pirko } 1431492b200eSJiri Pirko 1432acd69962SJiri Pirko static int team_port_en_option_get(struct team *team, 1433acd69962SJiri Pirko struct team_gsetter_ctx *ctx) 1434acd69962SJiri Pirko { 143585d59a87SJiri Pirko struct team_port *port = ctx->info->port; 143685d59a87SJiri Pirko 143785d59a87SJiri Pirko ctx->data.bool_val = team_port_enabled(port); 1438acd69962SJiri Pirko return 0; 1439acd69962SJiri Pirko } 1440acd69962SJiri Pirko 1441acd69962SJiri Pirko static int team_port_en_option_set(struct team *team, 1442acd69962SJiri Pirko struct team_gsetter_ctx *ctx) 1443acd69962SJiri Pirko { 144485d59a87SJiri Pirko struct team_port *port = ctx->info->port; 144585d59a87SJiri Pirko 1446acd69962SJiri Pirko if (ctx->data.bool_val) 144785d59a87SJiri Pirko team_port_enable(team, port); 1448acd69962SJiri Pirko else 144985d59a87SJiri Pirko team_port_disable(team, port); 1450acd69962SJiri Pirko return 0; 1451acd69962SJiri Pirko } 1452acd69962SJiri Pirko 145371472ec1SJiri Pirko static int team_user_linkup_option_get(struct team *team, 145471472ec1SJiri Pirko struct team_gsetter_ctx *ctx) 145571472ec1SJiri Pirko { 145685d59a87SJiri Pirko struct team_port *port = ctx->info->port; 145785d59a87SJiri Pirko 145885d59a87SJiri Pirko ctx->data.bool_val = port->user.linkup; 145971472ec1SJiri Pirko return 0; 146071472ec1SJiri Pirko } 146171472ec1SJiri Pirko 1462f5e0d343SJiri Pirko static void __team_carrier_check(struct team *team); 1463f5e0d343SJiri Pirko 146471472ec1SJiri Pirko static int team_user_linkup_option_set(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 port->user.linkup = ctx->data.bool_val; 147085d59a87SJiri Pirko team_refresh_port_linkup(port); 1471f5e0d343SJiri Pirko __team_carrier_check(port->team); 147271472ec1SJiri Pirko return 0; 147371472ec1SJiri Pirko } 147471472ec1SJiri Pirko 147571472ec1SJiri Pirko static int team_user_linkup_en_option_get(struct team *team, 147671472ec1SJiri Pirko struct team_gsetter_ctx *ctx) 147771472ec1SJiri Pirko { 147885d59a87SJiri Pirko struct team_port *port = ctx->info->port; 147971472ec1SJiri Pirko 148071472ec1SJiri Pirko ctx->data.bool_val = port->user.linkup_enabled; 148171472ec1SJiri Pirko return 0; 148271472ec1SJiri Pirko } 148371472ec1SJiri Pirko 148471472ec1SJiri Pirko static int team_user_linkup_en_option_set(struct team *team, 148571472ec1SJiri Pirko struct team_gsetter_ctx *ctx) 148671472ec1SJiri Pirko { 148785d59a87SJiri Pirko struct team_port *port = ctx->info->port; 148871472ec1SJiri Pirko 148971472ec1SJiri Pirko port->user.linkup_enabled = ctx->data.bool_val; 149085d59a87SJiri Pirko team_refresh_port_linkup(port); 1491f5e0d343SJiri Pirko __team_carrier_check(port->team); 149271472ec1SJiri Pirko return 0; 149371472ec1SJiri Pirko } 149471472ec1SJiri Pirko 1495a86fc6b7SJiri Pirko static int team_priority_option_get(struct team *team, 1496a86fc6b7SJiri Pirko struct team_gsetter_ctx *ctx) 1497a86fc6b7SJiri Pirko { 1498a86fc6b7SJiri Pirko struct team_port *port = ctx->info->port; 1499a86fc6b7SJiri Pirko 1500a86fc6b7SJiri Pirko ctx->data.s32_val = port->priority; 1501a86fc6b7SJiri Pirko return 0; 1502a86fc6b7SJiri Pirko } 1503a86fc6b7SJiri Pirko 1504a86fc6b7SJiri Pirko static int team_priority_option_set(struct team *team, 1505a86fc6b7SJiri Pirko struct team_gsetter_ctx *ctx) 1506a86fc6b7SJiri Pirko { 1507a86fc6b7SJiri Pirko struct team_port *port = ctx->info->port; 15086c31ff36SJiri Pirko s32 priority = ctx->data.s32_val; 1509a86fc6b7SJiri Pirko 15106c31ff36SJiri Pirko if (port->priority == priority) 15116c31ff36SJiri Pirko return 0; 15126c31ff36SJiri Pirko port->priority = priority; 15136c31ff36SJiri Pirko team_queue_override_port_prio_changed(team, port); 1514a86fc6b7SJiri Pirko return 0; 1515a86fc6b7SJiri Pirko } 1516a86fc6b7SJiri Pirko 15178ff5105aSJiri Pirko static int team_queue_id_option_get(struct team *team, 15188ff5105aSJiri Pirko struct team_gsetter_ctx *ctx) 15198ff5105aSJiri Pirko { 15208ff5105aSJiri Pirko struct team_port *port = ctx->info->port; 15218ff5105aSJiri Pirko 15228ff5105aSJiri Pirko ctx->data.u32_val = port->queue_id; 15238ff5105aSJiri Pirko return 0; 15248ff5105aSJiri Pirko } 15258ff5105aSJiri Pirko 15268ff5105aSJiri Pirko static int team_queue_id_option_set(struct team *team, 15278ff5105aSJiri Pirko struct team_gsetter_ctx *ctx) 15288ff5105aSJiri Pirko { 15298ff5105aSJiri Pirko struct team_port *port = ctx->info->port; 15306c31ff36SJiri Pirko u16 new_queue_id = ctx->data.u32_val; 15318ff5105aSJiri Pirko 15326c31ff36SJiri Pirko if (port->queue_id == new_queue_id) 15338ff5105aSJiri Pirko return 0; 15346c31ff36SJiri Pirko if (new_queue_id >= team->dev->real_num_tx_queues) 15358ff5105aSJiri Pirko return -EINVAL; 15366c31ff36SJiri Pirko team_queue_override_port_change_queue_id(team, port, new_queue_id); 15378ff5105aSJiri Pirko return 0; 15388ff5105aSJiri Pirko } 15398ff5105aSJiri Pirko 1540358b8382SJiri Pirko static const struct team_option team_options[] = { 15413d249d4cSJiri Pirko { 15423d249d4cSJiri Pirko .name = "mode", 15433d249d4cSJiri Pirko .type = TEAM_OPTION_TYPE_STRING, 15443d249d4cSJiri Pirko .getter = team_mode_option_get, 15453d249d4cSJiri Pirko .setter = team_mode_option_set, 15463d249d4cSJiri Pirko }, 154771472ec1SJiri Pirko { 1548fc423ff0SJiri Pirko .name = "notify_peers_count", 1549fc423ff0SJiri Pirko .type = TEAM_OPTION_TYPE_U32, 1550fc423ff0SJiri Pirko .getter = team_notify_peers_count_get, 1551fc423ff0SJiri Pirko .setter = team_notify_peers_count_set, 1552fc423ff0SJiri Pirko }, 1553fc423ff0SJiri Pirko { 1554fc423ff0SJiri Pirko .name = "notify_peers_interval", 1555fc423ff0SJiri Pirko .type = TEAM_OPTION_TYPE_U32, 1556fc423ff0SJiri Pirko .getter = team_notify_peers_interval_get, 1557fc423ff0SJiri Pirko .setter = team_notify_peers_interval_set, 1558fc423ff0SJiri Pirko }, 1559fc423ff0SJiri Pirko { 1560492b200eSJiri Pirko .name = "mcast_rejoin_count", 1561492b200eSJiri Pirko .type = TEAM_OPTION_TYPE_U32, 1562492b200eSJiri Pirko .getter = team_mcast_rejoin_count_get, 1563492b200eSJiri Pirko .setter = team_mcast_rejoin_count_set, 1564492b200eSJiri Pirko }, 1565492b200eSJiri Pirko { 1566492b200eSJiri Pirko .name = "mcast_rejoin_interval", 1567492b200eSJiri Pirko .type = TEAM_OPTION_TYPE_U32, 1568492b200eSJiri Pirko .getter = team_mcast_rejoin_interval_get, 1569492b200eSJiri Pirko .setter = team_mcast_rejoin_interval_set, 1570492b200eSJiri Pirko }, 1571492b200eSJiri Pirko { 1572acd69962SJiri Pirko .name = "enabled", 1573acd69962SJiri Pirko .type = TEAM_OPTION_TYPE_BOOL, 1574acd69962SJiri Pirko .per_port = true, 1575acd69962SJiri Pirko .getter = team_port_en_option_get, 1576acd69962SJiri Pirko .setter = team_port_en_option_set, 1577acd69962SJiri Pirko }, 1578acd69962SJiri Pirko { 157971472ec1SJiri Pirko .name = "user_linkup", 158071472ec1SJiri Pirko .type = TEAM_OPTION_TYPE_BOOL, 158171472ec1SJiri Pirko .per_port = true, 158271472ec1SJiri Pirko .getter = team_user_linkup_option_get, 158371472ec1SJiri Pirko .setter = team_user_linkup_option_set, 158471472ec1SJiri Pirko }, 158571472ec1SJiri Pirko { 158671472ec1SJiri Pirko .name = "user_linkup_enabled", 158771472ec1SJiri Pirko .type = TEAM_OPTION_TYPE_BOOL, 158871472ec1SJiri Pirko .per_port = true, 158971472ec1SJiri Pirko .getter = team_user_linkup_en_option_get, 159071472ec1SJiri Pirko .setter = team_user_linkup_en_option_set, 159171472ec1SJiri Pirko }, 1592a86fc6b7SJiri Pirko { 1593a86fc6b7SJiri Pirko .name = "priority", 1594a86fc6b7SJiri Pirko .type = TEAM_OPTION_TYPE_S32, 1595a86fc6b7SJiri Pirko .per_port = true, 1596a86fc6b7SJiri Pirko .getter = team_priority_option_get, 1597a86fc6b7SJiri Pirko .setter = team_priority_option_set, 1598a86fc6b7SJiri Pirko }, 15998ff5105aSJiri Pirko { 16008ff5105aSJiri Pirko .name = "queue_id", 16018ff5105aSJiri Pirko .type = TEAM_OPTION_TYPE_U32, 16028ff5105aSJiri Pirko .per_port = true, 16038ff5105aSJiri Pirko .getter = team_queue_id_option_get, 16048ff5105aSJiri Pirko .setter = team_queue_id_option_set, 16058ff5105aSJiri Pirko }, 16063d249d4cSJiri Pirko }; 16073d249d4cSJiri Pirko 16086c85f2bdSJiri Pirko 16093d249d4cSJiri Pirko static int team_init(struct net_device *dev) 16103d249d4cSJiri Pirko { 16113d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 16123d249d4cSJiri Pirko int i; 1613358b8382SJiri Pirko int err; 16143d249d4cSJiri Pirko 16153d249d4cSJiri Pirko team->dev = dev; 161661dc3461SJiri Pirko mutex_init(&team->lock); 1617d299cd51SJiri Pirko team_set_no_mode(team); 16183d249d4cSJiri Pirko 16191c213bd2SWANG Cong team->pcpu_stats = netdev_alloc_pcpu_stats(struct team_pcpu_stats); 16203d249d4cSJiri Pirko if (!team->pcpu_stats) 16213d249d4cSJiri Pirko return -ENOMEM; 16223d249d4cSJiri Pirko 16233d249d4cSJiri Pirko for (i = 0; i < TEAM_PORT_HASHENTRIES; i++) 162419a0b58eSJiri Pirko INIT_HLIST_HEAD(&team->en_port_hlist[i]); 16253d249d4cSJiri Pirko INIT_LIST_HEAD(&team->port_list); 16268ff5105aSJiri Pirko err = team_queue_override_init(team); 16278ff5105aSJiri Pirko if (err) 16288ff5105aSJiri Pirko goto err_team_queue_override_init; 16293d249d4cSJiri Pirko 16303d249d4cSJiri Pirko team_adjust_ops(team); 16313d249d4cSJiri Pirko 16323d249d4cSJiri Pirko INIT_LIST_HEAD(&team->option_list); 163380f7c668SJiri Pirko INIT_LIST_HEAD(&team->option_inst_list); 1634fc423ff0SJiri Pirko 1635fc423ff0SJiri Pirko team_notify_peers_init(team); 1636492b200eSJiri Pirko team_mcast_rejoin_init(team); 1637fc423ff0SJiri Pirko 1638358b8382SJiri Pirko err = team_options_register(team, team_options, ARRAY_SIZE(team_options)); 1639358b8382SJiri Pirko if (err) 1640358b8382SJiri Pirko goto err_options_register; 16413d249d4cSJiri Pirko netif_carrier_off(dev); 16423d249d4cSJiri Pirko 1643d3fff6c4SEric Dumazet netdev_lockdep_set_classes(dev); 16446c85f2bdSJiri Pirko 16453d249d4cSJiri Pirko return 0; 1646358b8382SJiri Pirko 1647358b8382SJiri Pirko err_options_register: 1648492b200eSJiri Pirko team_mcast_rejoin_fini(team); 1649fc423ff0SJiri Pirko team_notify_peers_fini(team); 16508ff5105aSJiri Pirko team_queue_override_fini(team); 16518ff5105aSJiri Pirko err_team_queue_override_init: 1652358b8382SJiri Pirko free_percpu(team->pcpu_stats); 1653358b8382SJiri Pirko 1654358b8382SJiri Pirko return err; 16553d249d4cSJiri Pirko } 16563d249d4cSJiri Pirko 16573d249d4cSJiri Pirko static void team_uninit(struct net_device *dev) 16583d249d4cSJiri Pirko { 16593d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 16603d249d4cSJiri Pirko struct team_port *port; 16613d249d4cSJiri Pirko struct team_port *tmp; 16623d249d4cSJiri Pirko 166361dc3461SJiri Pirko mutex_lock(&team->lock); 16643d249d4cSJiri Pirko list_for_each_entry_safe(port, tmp, &team->port_list, list) 16653d249d4cSJiri Pirko team_port_del(team, port->dev); 16663d249d4cSJiri Pirko 16673d249d4cSJiri Pirko __team_change_mode(team, NULL); /* cleanup */ 16683d249d4cSJiri Pirko __team_options_unregister(team, team_options, ARRAY_SIZE(team_options)); 1669492b200eSJiri Pirko team_mcast_rejoin_fini(team); 1670fc423ff0SJiri Pirko team_notify_peers_fini(team); 16718ff5105aSJiri Pirko team_queue_override_fini(team); 167261dc3461SJiri Pirko mutex_unlock(&team->lock); 167316cf72bbSXin Long netdev_change_features(dev); 16743d249d4cSJiri Pirko } 16753d249d4cSJiri Pirko 16763d249d4cSJiri Pirko static void team_destructor(struct net_device *dev) 16773d249d4cSJiri Pirko { 16783d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 16793d249d4cSJiri Pirko 16803d249d4cSJiri Pirko free_percpu(team->pcpu_stats); 16813d249d4cSJiri Pirko } 16823d249d4cSJiri Pirko 16833d249d4cSJiri Pirko static int team_open(struct net_device *dev) 16843d249d4cSJiri Pirko { 16853d249d4cSJiri Pirko return 0; 16863d249d4cSJiri Pirko } 16873d249d4cSJiri Pirko 16883d249d4cSJiri Pirko static int team_close(struct net_device *dev) 16893d249d4cSJiri Pirko { 16903d249d4cSJiri Pirko return 0; 16913d249d4cSJiri Pirko } 16923d249d4cSJiri Pirko 16933d249d4cSJiri Pirko /* 16943d249d4cSJiri Pirko * note: already called with rcu_read_lock 16953d249d4cSJiri Pirko */ 16963d249d4cSJiri Pirko static netdev_tx_t team_xmit(struct sk_buff *skb, struct net_device *dev) 16973d249d4cSJiri Pirko { 16983d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 16998ff5105aSJiri Pirko bool tx_success; 17003d249d4cSJiri Pirko unsigned int len = skb->len; 17013d249d4cSJiri Pirko 17028ff5105aSJiri Pirko tx_success = team_queue_override_transmit(team, skb); 17038ff5105aSJiri Pirko if (!tx_success) 17043d249d4cSJiri Pirko tx_success = team->ops.transmit(team, skb); 17053d249d4cSJiri Pirko if (tx_success) { 17063d249d4cSJiri Pirko struct team_pcpu_stats *pcpu_stats; 17073d249d4cSJiri Pirko 17083d249d4cSJiri Pirko pcpu_stats = this_cpu_ptr(team->pcpu_stats); 17093d249d4cSJiri Pirko u64_stats_update_begin(&pcpu_stats->syncp); 17103d249d4cSJiri Pirko pcpu_stats->tx_packets++; 17113d249d4cSJiri Pirko pcpu_stats->tx_bytes += len; 17123d249d4cSJiri Pirko u64_stats_update_end(&pcpu_stats->syncp); 17133d249d4cSJiri Pirko } else { 17143d249d4cSJiri Pirko this_cpu_inc(team->pcpu_stats->tx_dropped); 17153d249d4cSJiri Pirko } 17163d249d4cSJiri Pirko 17173d249d4cSJiri Pirko return NETDEV_TX_OK; 17183d249d4cSJiri Pirko } 17193d249d4cSJiri Pirko 1720f663dd9aSJason Wang static u16 team_select_queue(struct net_device *dev, struct sk_buff *skb, 1721a350ecceSPaolo Abeni struct net_device *sb_dev) 17226c85f2bdSJiri Pirko { 17236c85f2bdSJiri Pirko /* 17246c85f2bdSJiri Pirko * This helper function exists to help dev_pick_tx get the correct 17256c85f2bdSJiri Pirko * destination queue. Using a helper function skips a call to 17266c85f2bdSJiri Pirko * skb_tx_hash and will put the skbs in the queue we expect on their 17276c85f2bdSJiri Pirko * way down to the team driver. 17286c85f2bdSJiri Pirko */ 17296c85f2bdSJiri Pirko u16 txq = skb_rx_queue_recorded(skb) ? skb_get_rx_queue(skb) : 0; 17306c85f2bdSJiri Pirko 17316c85f2bdSJiri Pirko /* 17326c85f2bdSJiri Pirko * Save the original txq to restore before passing to the driver 17336c85f2bdSJiri Pirko */ 17346c85f2bdSJiri Pirko qdisc_skb_cb(skb)->slave_dev_queue_mapping = skb->queue_mapping; 17356c85f2bdSJiri Pirko 17366c85f2bdSJiri Pirko if (unlikely(txq >= dev->real_num_tx_queues)) { 17376c85f2bdSJiri Pirko do { 17386c85f2bdSJiri Pirko txq -= dev->real_num_tx_queues; 17396c85f2bdSJiri Pirko } while (txq >= dev->real_num_tx_queues); 17406c85f2bdSJiri Pirko } 17416c85f2bdSJiri Pirko return txq; 17426c85f2bdSJiri Pirko } 17436c85f2bdSJiri Pirko 17443d249d4cSJiri Pirko static void team_change_rx_flags(struct net_device *dev, int change) 17453d249d4cSJiri Pirko { 17463d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 17473d249d4cSJiri Pirko struct team_port *port; 17483d249d4cSJiri Pirko int inc; 17493d249d4cSJiri Pirko 17503d249d4cSJiri Pirko rcu_read_lock(); 17513d249d4cSJiri Pirko list_for_each_entry_rcu(port, &team->port_list, list) { 17523d249d4cSJiri Pirko if (change & IFF_PROMISC) { 17533d249d4cSJiri Pirko inc = dev->flags & IFF_PROMISC ? 1 : -1; 17543d249d4cSJiri Pirko dev_set_promiscuity(port->dev, inc); 17553d249d4cSJiri Pirko } 17563d249d4cSJiri Pirko if (change & IFF_ALLMULTI) { 17573d249d4cSJiri Pirko inc = dev->flags & IFF_ALLMULTI ? 1 : -1; 17583d249d4cSJiri Pirko dev_set_allmulti(port->dev, inc); 17593d249d4cSJiri Pirko } 17603d249d4cSJiri Pirko } 17613d249d4cSJiri Pirko rcu_read_unlock(); 17623d249d4cSJiri Pirko } 17633d249d4cSJiri Pirko 17643d249d4cSJiri Pirko static void team_set_rx_mode(struct net_device *dev) 17653d249d4cSJiri Pirko { 17663d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 17673d249d4cSJiri Pirko struct team_port *port; 17683d249d4cSJiri Pirko 17693d249d4cSJiri Pirko rcu_read_lock(); 17703d249d4cSJiri Pirko list_for_each_entry_rcu(port, &team->port_list, list) { 177172b27032SVlad Yasevich dev_uc_sync_multiple(port->dev, dev); 177272b27032SVlad Yasevich dev_mc_sync_multiple(port->dev, dev); 17733d249d4cSJiri Pirko } 17743d249d4cSJiri Pirko rcu_read_unlock(); 17753d249d4cSJiri Pirko } 17763d249d4cSJiri Pirko 17773d249d4cSJiri Pirko static int team_set_mac_address(struct net_device *dev, void *p) 17783d249d4cSJiri Pirko { 17791d76efe1SJiri Pirko struct sockaddr *addr = p; 17803d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 17813d249d4cSJiri Pirko struct team_port *port; 17823d249d4cSJiri Pirko 17831d76efe1SJiri Pirko if (dev->type == ARPHRD_ETHER && !is_valid_ether_addr(addr->sa_data)) 17841d76efe1SJiri Pirko return -EADDRNOTAVAIL; 17851d76efe1SJiri Pirko memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); 17869215f437SJiri Pirko mutex_lock(&team->lock); 17879215f437SJiri Pirko list_for_each_entry(port, &team->port_list, list) 17881d76efe1SJiri Pirko if (team->ops.port_change_dev_addr) 17891d76efe1SJiri Pirko team->ops.port_change_dev_addr(team, port); 17909215f437SJiri Pirko mutex_unlock(&team->lock); 17913d249d4cSJiri Pirko return 0; 17923d249d4cSJiri Pirko } 17933d249d4cSJiri Pirko 17943d249d4cSJiri Pirko static int team_change_mtu(struct net_device *dev, int new_mtu) 17953d249d4cSJiri Pirko { 17963d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 17973d249d4cSJiri Pirko struct team_port *port; 17983d249d4cSJiri Pirko int err; 17993d249d4cSJiri Pirko 18003d249d4cSJiri Pirko /* 18013d249d4cSJiri Pirko * Alhough this is reader, it's guarded by team lock. It's not possible 18023d249d4cSJiri Pirko * to traverse list in reverse under rcu_read_lock 18033d249d4cSJiri Pirko */ 180461dc3461SJiri Pirko mutex_lock(&team->lock); 18059d0d68faSJiri Pirko team->port_mtu_change_allowed = true; 18063d249d4cSJiri Pirko list_for_each_entry(port, &team->port_list, list) { 18073d249d4cSJiri Pirko err = dev_set_mtu(port->dev, new_mtu); 18083d249d4cSJiri Pirko if (err) { 18093d249d4cSJiri Pirko netdev_err(dev, "Device %s failed to change mtu", 18103d249d4cSJiri Pirko port->dev->name); 18113d249d4cSJiri Pirko goto unwind; 18123d249d4cSJiri Pirko } 18133d249d4cSJiri Pirko } 18149d0d68faSJiri Pirko team->port_mtu_change_allowed = false; 181561dc3461SJiri Pirko mutex_unlock(&team->lock); 18163d249d4cSJiri Pirko 18173d249d4cSJiri Pirko dev->mtu = new_mtu; 18183d249d4cSJiri Pirko 18193d249d4cSJiri Pirko return 0; 18203d249d4cSJiri Pirko 18213d249d4cSJiri Pirko unwind: 18223d249d4cSJiri Pirko list_for_each_entry_continue_reverse(port, &team->port_list, list) 18233d249d4cSJiri Pirko dev_set_mtu(port->dev, dev->mtu); 18249d0d68faSJiri Pirko team->port_mtu_change_allowed = false; 182561dc3461SJiri Pirko mutex_unlock(&team->lock); 18263d249d4cSJiri Pirko 18273d249d4cSJiri Pirko return err; 18283d249d4cSJiri Pirko } 18293d249d4cSJiri Pirko 1830bc1f4470Sstephen hemminger static void 18313d249d4cSJiri Pirko team_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats) 18323d249d4cSJiri Pirko { 18333d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 18343d249d4cSJiri Pirko struct team_pcpu_stats *p; 18353d249d4cSJiri Pirko u64 rx_packets, rx_bytes, rx_multicast, tx_packets, tx_bytes; 1836bb63daf9SJarod Wilson u32 rx_dropped = 0, tx_dropped = 0, rx_nohandler = 0; 18373d249d4cSJiri Pirko unsigned int start; 18383d249d4cSJiri Pirko int i; 18393d249d4cSJiri Pirko 18403d249d4cSJiri Pirko for_each_possible_cpu(i) { 18413d249d4cSJiri Pirko p = per_cpu_ptr(team->pcpu_stats, i); 18423d249d4cSJiri Pirko do { 184357a7744eSEric W. Biederman start = u64_stats_fetch_begin_irq(&p->syncp); 18443d249d4cSJiri Pirko rx_packets = p->rx_packets; 18453d249d4cSJiri Pirko rx_bytes = p->rx_bytes; 18463d249d4cSJiri Pirko rx_multicast = p->rx_multicast; 18473d249d4cSJiri Pirko tx_packets = p->tx_packets; 18483d249d4cSJiri Pirko tx_bytes = p->tx_bytes; 184957a7744eSEric W. Biederman } while (u64_stats_fetch_retry_irq(&p->syncp, start)); 18503d249d4cSJiri Pirko 18513d249d4cSJiri Pirko stats->rx_packets += rx_packets; 18523d249d4cSJiri Pirko stats->rx_bytes += rx_bytes; 18533d249d4cSJiri Pirko stats->multicast += rx_multicast; 18543d249d4cSJiri Pirko stats->tx_packets += tx_packets; 18553d249d4cSJiri Pirko stats->tx_bytes += tx_bytes; 18563d249d4cSJiri Pirko /* 1857bb63daf9SJarod Wilson * rx_dropped, tx_dropped & rx_nohandler are u32, 1858bb63daf9SJarod Wilson * updated without syncp protection. 18593d249d4cSJiri Pirko */ 18603d249d4cSJiri Pirko rx_dropped += p->rx_dropped; 18613d249d4cSJiri Pirko tx_dropped += p->tx_dropped; 1862bb63daf9SJarod Wilson rx_nohandler += p->rx_nohandler; 18633d249d4cSJiri Pirko } 18643d249d4cSJiri Pirko stats->rx_dropped = rx_dropped; 18653d249d4cSJiri Pirko stats->tx_dropped = tx_dropped; 1866bb63daf9SJarod Wilson stats->rx_nohandler = rx_nohandler; 18673d249d4cSJiri Pirko } 18683d249d4cSJiri Pirko 186980d5c368SPatrick McHardy static int team_vlan_rx_add_vid(struct net_device *dev, __be16 proto, u16 vid) 18703d249d4cSJiri Pirko { 18713d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 18723d249d4cSJiri Pirko struct team_port *port; 187387002b03SJiri Pirko int err; 18743d249d4cSJiri Pirko 187587002b03SJiri Pirko /* 187687002b03SJiri Pirko * Alhough this is reader, it's guarded by team lock. It's not possible 187787002b03SJiri Pirko * to traverse list in reverse under rcu_read_lock 187887002b03SJiri Pirko */ 187987002b03SJiri Pirko mutex_lock(&team->lock); 188087002b03SJiri Pirko list_for_each_entry(port, &team->port_list, list) { 188180d5c368SPatrick McHardy err = vlan_vid_add(port->dev, proto, vid); 188287002b03SJiri Pirko if (err) 188387002b03SJiri Pirko goto unwind; 18843d249d4cSJiri Pirko } 188587002b03SJiri Pirko mutex_unlock(&team->lock); 18868e586137SJiri Pirko 18878e586137SJiri Pirko return 0; 188887002b03SJiri Pirko 188987002b03SJiri Pirko unwind: 189087002b03SJiri Pirko list_for_each_entry_continue_reverse(port, &team->port_list, list) 189180d5c368SPatrick McHardy vlan_vid_del(port->dev, proto, vid); 189287002b03SJiri Pirko mutex_unlock(&team->lock); 189387002b03SJiri Pirko 189487002b03SJiri Pirko return err; 18953d249d4cSJiri Pirko } 18963d249d4cSJiri Pirko 189780d5c368SPatrick McHardy static int team_vlan_rx_kill_vid(struct net_device *dev, __be16 proto, u16 vid) 18983d249d4cSJiri Pirko { 18993d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 19003d249d4cSJiri Pirko struct team_port *port; 19013d249d4cSJiri Pirko 190260a6531bSIdo Schimmel mutex_lock(&team->lock); 190360a6531bSIdo Schimmel list_for_each_entry(port, &team->port_list, list) 190480d5c368SPatrick McHardy vlan_vid_del(port->dev, proto, vid); 190560a6531bSIdo Schimmel mutex_unlock(&team->lock); 19068e586137SJiri Pirko 19078e586137SJiri Pirko return 0; 19083d249d4cSJiri Pirko } 19093d249d4cSJiri Pirko 1910bd2d0837SJiri Pirko #ifdef CONFIG_NET_POLL_CONTROLLER 1911bd2d0837SJiri Pirko static void team_poll_controller(struct net_device *dev) 1912bd2d0837SJiri Pirko { 1913bd2d0837SJiri Pirko } 1914bd2d0837SJiri Pirko 1915bd2d0837SJiri Pirko static void __team_netpoll_cleanup(struct team *team) 1916bd2d0837SJiri Pirko { 1917bd2d0837SJiri Pirko struct team_port *port; 1918bd2d0837SJiri Pirko 1919bd2d0837SJiri Pirko list_for_each_entry(port, &team->port_list, list) 1920bd2d0837SJiri Pirko team_port_disable_netpoll(port); 1921bd2d0837SJiri Pirko } 1922bd2d0837SJiri Pirko 1923bd2d0837SJiri Pirko static void team_netpoll_cleanup(struct net_device *dev) 1924bd2d0837SJiri Pirko { 1925bd2d0837SJiri Pirko struct team *team = netdev_priv(dev); 1926bd2d0837SJiri Pirko 1927bd2d0837SJiri Pirko mutex_lock(&team->lock); 1928bd2d0837SJiri Pirko __team_netpoll_cleanup(team); 1929bd2d0837SJiri Pirko mutex_unlock(&team->lock); 1930bd2d0837SJiri Pirko } 1931bd2d0837SJiri Pirko 1932bd2d0837SJiri Pirko static int team_netpoll_setup(struct net_device *dev, 1933a8779ec1SEric W. Biederman struct netpoll_info *npifo) 1934bd2d0837SJiri Pirko { 1935bd2d0837SJiri Pirko struct team *team = netdev_priv(dev); 1936bd2d0837SJiri Pirko struct team_port *port; 19373324d024SJiri Pirko int err = 0; 1938bd2d0837SJiri Pirko 1939bd2d0837SJiri Pirko mutex_lock(&team->lock); 1940bd2d0837SJiri Pirko list_for_each_entry(port, &team->port_list, list) { 19419cf2f437SXin Long err = __team_port_enable_netpoll(port); 1942bd2d0837SJiri Pirko if (err) { 1943bd2d0837SJiri Pirko __team_netpoll_cleanup(team); 1944bd2d0837SJiri Pirko break; 1945bd2d0837SJiri Pirko } 1946bd2d0837SJiri Pirko } 1947bd2d0837SJiri Pirko mutex_unlock(&team->lock); 1948bd2d0837SJiri Pirko return err; 1949bd2d0837SJiri Pirko } 1950bd2d0837SJiri Pirko #endif 1951bd2d0837SJiri Pirko 195233eaf2a6SDavid Ahern static int team_add_slave(struct net_device *dev, struct net_device *port_dev, 195333eaf2a6SDavid Ahern struct netlink_ext_ack *extack) 19543d249d4cSJiri Pirko { 19553d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 19563d249d4cSJiri Pirko int err; 19573d249d4cSJiri Pirko 195861dc3461SJiri Pirko mutex_lock(&team->lock); 195944d15d93SIdo Schimmel err = team_port_add(team, port_dev, extack); 196061dc3461SJiri Pirko mutex_unlock(&team->lock); 196116cf72bbSXin Long 196216cf72bbSXin Long if (!err) 196316cf72bbSXin Long netdev_change_features(dev); 196416cf72bbSXin Long 19653d249d4cSJiri Pirko return err; 19663d249d4cSJiri Pirko } 19673d249d4cSJiri Pirko 19683d249d4cSJiri Pirko static int team_del_slave(struct net_device *dev, struct net_device *port_dev) 19693d249d4cSJiri Pirko { 19703d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 19713d249d4cSJiri Pirko int err; 19723d249d4cSJiri Pirko 197361dc3461SJiri Pirko mutex_lock(&team->lock); 19743d249d4cSJiri Pirko err = team_port_del(team, port_dev); 197561dc3461SJiri Pirko mutex_unlock(&team->lock); 197616cf72bbSXin Long 197716cf72bbSXin Long if (!err) 197816cf72bbSXin Long netdev_change_features(dev); 197916cf72bbSXin Long 19803d249d4cSJiri Pirko return err; 19813d249d4cSJiri Pirko } 19823d249d4cSJiri Pirko 1983234a8fd4SJiri Pirko static netdev_features_t team_fix_features(struct net_device *dev, 1984234a8fd4SJiri Pirko netdev_features_t features) 1985234a8fd4SJiri Pirko { 1986234a8fd4SJiri Pirko struct team_port *port; 1987234a8fd4SJiri Pirko struct team *team = netdev_priv(dev); 1988234a8fd4SJiri Pirko netdev_features_t mask; 1989234a8fd4SJiri Pirko 19907889cbeeSScott Feldman mask = features; 1991234a8fd4SJiri Pirko features &= ~NETIF_F_ONE_FOR_ALL; 1992234a8fd4SJiri Pirko features |= NETIF_F_ALL_FOR_ALL; 1993234a8fd4SJiri Pirko 1994234a8fd4SJiri Pirko rcu_read_lock(); 1995234a8fd4SJiri Pirko list_for_each_entry_rcu(port, &team->port_list, list) { 1996234a8fd4SJiri Pirko features = netdev_increment_features(features, 1997234a8fd4SJiri Pirko port->dev->features, 1998234a8fd4SJiri Pirko mask); 1999234a8fd4SJiri Pirko } 2000234a8fd4SJiri Pirko rcu_read_unlock(); 2001247f6d0fSJiri Pirko 2002247f6d0fSJiri Pirko features = netdev_add_tso_features(features, mask); 2003247f6d0fSJiri Pirko 2004234a8fd4SJiri Pirko return features; 2005234a8fd4SJiri Pirko } 2006234a8fd4SJiri Pirko 20074cafe373SFlavio Leitner static int team_change_carrier(struct net_device *dev, bool new_carrier) 20084cafe373SFlavio Leitner { 2009e185483eSFlavio Leitner struct team *team = netdev_priv(dev); 2010e185483eSFlavio Leitner 2011e185483eSFlavio Leitner team->user_carrier_enabled = true; 2012e185483eSFlavio Leitner 20134cafe373SFlavio Leitner if (new_carrier) 20144cafe373SFlavio Leitner netif_carrier_on(dev); 20154cafe373SFlavio Leitner else 20164cafe373SFlavio Leitner netif_carrier_off(dev); 20174cafe373SFlavio Leitner return 0; 20184cafe373SFlavio Leitner } 20194cafe373SFlavio Leitner 20203d249d4cSJiri Pirko static const struct net_device_ops team_netdev_ops = { 20213d249d4cSJiri Pirko .ndo_init = team_init, 20223d249d4cSJiri Pirko .ndo_uninit = team_uninit, 20233d249d4cSJiri Pirko .ndo_open = team_open, 20243d249d4cSJiri Pirko .ndo_stop = team_close, 20253d249d4cSJiri Pirko .ndo_start_xmit = team_xmit, 20266c85f2bdSJiri Pirko .ndo_select_queue = team_select_queue, 20273d249d4cSJiri Pirko .ndo_change_rx_flags = team_change_rx_flags, 20283d249d4cSJiri Pirko .ndo_set_rx_mode = team_set_rx_mode, 20293d249d4cSJiri Pirko .ndo_set_mac_address = team_set_mac_address, 20303d249d4cSJiri Pirko .ndo_change_mtu = team_change_mtu, 20313d249d4cSJiri Pirko .ndo_get_stats64 = team_get_stats64, 20323d249d4cSJiri Pirko .ndo_vlan_rx_add_vid = team_vlan_rx_add_vid, 20333d249d4cSJiri Pirko .ndo_vlan_rx_kill_vid = team_vlan_rx_kill_vid, 2034bd2d0837SJiri Pirko #ifdef CONFIG_NET_POLL_CONTROLLER 2035bd2d0837SJiri Pirko .ndo_poll_controller = team_poll_controller, 2036bd2d0837SJiri Pirko .ndo_netpoll_setup = team_netpoll_setup, 2037bd2d0837SJiri Pirko .ndo_netpoll_cleanup = team_netpoll_cleanup, 2038bd2d0837SJiri Pirko #endif 20393d249d4cSJiri Pirko .ndo_add_slave = team_add_slave, 20403d249d4cSJiri Pirko .ndo_del_slave = team_del_slave, 2041234a8fd4SJiri Pirko .ndo_fix_features = team_fix_features, 20424cafe373SFlavio Leitner .ndo_change_carrier = team_change_carrier, 2043b9f4cf75SToshiaki Makita .ndo_features_check = passthru_features_check, 20443d249d4cSJiri Pirko }; 20453d249d4cSJiri Pirko 20467f51c587SFlavio Leitner /*********************** 20477f51c587SFlavio Leitner * ethtool interface 20487f51c587SFlavio Leitner ***********************/ 20497f51c587SFlavio Leitner 20507f51c587SFlavio Leitner static void team_ethtool_get_drvinfo(struct net_device *dev, 20517f51c587SFlavio Leitner struct ethtool_drvinfo *drvinfo) 20527f51c587SFlavio Leitner { 20533066af58SFlavio Leitner strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver)); 20543066af58SFlavio Leitner strlcpy(drvinfo->version, UTS_RELEASE, sizeof(drvinfo->version)); 20557f51c587SFlavio Leitner } 20567f51c587SFlavio Leitner 20577f51c587SFlavio Leitner static const struct ethtool_ops team_ethtool_ops = { 20587f51c587SFlavio Leitner .get_drvinfo = team_ethtool_get_drvinfo, 20597f51c587SFlavio Leitner .get_link = ethtool_op_get_link, 20607f51c587SFlavio Leitner }; 20613d249d4cSJiri Pirko 20623d249d4cSJiri Pirko /*********************** 20633d249d4cSJiri Pirko * rt netlink interface 20643d249d4cSJiri Pirko ***********************/ 20653d249d4cSJiri Pirko 20661d76efe1SJiri Pirko static void team_setup_by_port(struct net_device *dev, 20671d76efe1SJiri Pirko struct net_device *port_dev) 20681d76efe1SJiri Pirko { 20691d76efe1SJiri Pirko dev->header_ops = port_dev->header_ops; 20701d76efe1SJiri Pirko dev->type = port_dev->type; 20711d76efe1SJiri Pirko dev->hard_header_len = port_dev->hard_header_len; 20721d76efe1SJiri Pirko dev->addr_len = port_dev->addr_len; 20731d76efe1SJiri Pirko dev->mtu = port_dev->mtu; 20741d76efe1SJiri Pirko memcpy(dev->broadcast, port_dev->broadcast, port_dev->addr_len); 207593af7357SBjørn Mork eth_hw_addr_inherit(dev, port_dev); 20761d76efe1SJiri Pirko } 20771d76efe1SJiri Pirko 20781d76efe1SJiri Pirko static int team_dev_type_check_change(struct net_device *dev, 20791d76efe1SJiri Pirko struct net_device *port_dev) 20801d76efe1SJiri Pirko { 20811d76efe1SJiri Pirko struct team *team = netdev_priv(dev); 20821d76efe1SJiri Pirko char *portname = port_dev->name; 20831d76efe1SJiri Pirko int err; 20841d76efe1SJiri Pirko 20851d76efe1SJiri Pirko if (dev->type == port_dev->type) 20861d76efe1SJiri Pirko return 0; 20871d76efe1SJiri Pirko if (!list_empty(&team->port_list)) { 20881d76efe1SJiri Pirko netdev_err(dev, "Device %s is of different type\n", portname); 20891d76efe1SJiri Pirko return -EBUSY; 20901d76efe1SJiri Pirko } 20911d76efe1SJiri Pirko err = call_netdevice_notifiers(NETDEV_PRE_TYPE_CHANGE, dev); 20921d76efe1SJiri Pirko err = notifier_to_errno(err); 20931d76efe1SJiri Pirko if (err) { 20941d76efe1SJiri Pirko netdev_err(dev, "Refused to change device type\n"); 20951d76efe1SJiri Pirko return err; 20961d76efe1SJiri Pirko } 20971d76efe1SJiri Pirko dev_uc_flush(dev); 20981d76efe1SJiri Pirko dev_mc_flush(dev); 20991d76efe1SJiri Pirko team_setup_by_port(dev, port_dev); 21001d76efe1SJiri Pirko call_netdevice_notifiers(NETDEV_POST_TYPE_CHANGE, dev); 21011d76efe1SJiri Pirko return 0; 21021d76efe1SJiri Pirko } 21031d76efe1SJiri Pirko 21043d249d4cSJiri Pirko static void team_setup(struct net_device *dev) 21053d249d4cSJiri Pirko { 21063d249d4cSJiri Pirko ether_setup(dev); 21073331aa37SJarod Wilson dev->max_mtu = ETH_MAX_MTU; 21083d249d4cSJiri Pirko 21093d249d4cSJiri Pirko dev->netdev_ops = &team_netdev_ops; 21107f51c587SFlavio Leitner dev->ethtool_ops = &team_ethtool_ops; 2111cf124db5SDavid S. Miller dev->needs_free_netdev = true; 2112cf124db5SDavid S. Miller dev->priv_destructor = team_destructor; 21133d249d4cSJiri Pirko dev->priv_flags &= ~(IFF_XMIT_DST_RELEASE | IFF_TX_SKB_SHARING); 211422e380a6SPhil Sutter dev->priv_flags |= IFF_NO_QUEUE; 2115c981e421SJiri Pirko dev->priv_flags |= IFF_TEAM; 21163d249d4cSJiri Pirko 21173d249d4cSJiri Pirko /* 21183d249d4cSJiri Pirko * Indicate we support unicast address filtering. That way core won't 21193d249d4cSJiri Pirko * bring us to promisc mode in case a unicast addr is added. 21203d249d4cSJiri Pirko * Let this up to underlay drivers. 21213d249d4cSJiri Pirko */ 21225a1d1c8cSJiri Pirko dev->priv_flags |= IFF_UNICAST_FLT | IFF_LIVE_ADDR_CHANGE; 21233d249d4cSJiri Pirko 21243d249d4cSJiri Pirko dev->features |= NETIF_F_LLTX; 21253d249d4cSJiri Pirko dev->features |= NETIF_F_GRO; 212699301ba1SWeilong Chen 212799301ba1SWeilong Chen /* Don't allow team devices to change network namespaces. */ 212899301ba1SWeilong Chen dev->features |= NETIF_F_NETNS_LOCAL; 212999301ba1SWeilong Chen 21303ed71471SJiri Pirko dev->hw_features = TEAM_VLAN_FEATURES | 2131f646968fSPatrick McHardy NETIF_F_HW_VLAN_CTAG_RX | 2132f646968fSPatrick McHardy NETIF_F_HW_VLAN_CTAG_FILTER; 21333d249d4cSJiri Pirko 21348eea1ca8SWillem de Bruijn dev->hw_features |= NETIF_F_GSO_ENCAP_ALL | NETIF_F_GSO_UDP_L4; 21353d249d4cSJiri Pirko dev->features |= dev->hw_features; 2136ee429742SYueHaibing dev->features |= NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_STAG_TX; 21373d249d4cSJiri Pirko } 21383d249d4cSJiri Pirko 21393d249d4cSJiri Pirko static int team_newlink(struct net *src_net, struct net_device *dev, 21407a3f4a18SMatthias Schiffer struct nlattr *tb[], struct nlattr *data[], 21417a3f4a18SMatthias Schiffer struct netlink_ext_ack *extack) 21423d249d4cSJiri Pirko { 21433d249d4cSJiri Pirko if (tb[IFLA_ADDRESS] == NULL) 21447ce5d222SDanny Kukawka eth_hw_addr_random(dev); 21453d249d4cSJiri Pirko 2146ff204cceSToshiaki Makita return register_netdevice(dev); 21473d249d4cSJiri Pirko } 21483d249d4cSJiri Pirko 2149a8b8a889SMatthias Schiffer static int team_validate(struct nlattr *tb[], struct nlattr *data[], 2150a8b8a889SMatthias Schiffer struct netlink_ext_ack *extack) 21513d249d4cSJiri Pirko { 21523d249d4cSJiri Pirko if (tb[IFLA_ADDRESS]) { 21533d249d4cSJiri Pirko if (nla_len(tb[IFLA_ADDRESS]) != ETH_ALEN) 21543d249d4cSJiri Pirko return -EINVAL; 21553d249d4cSJiri Pirko if (!is_valid_ether_addr(nla_data(tb[IFLA_ADDRESS]))) 21563d249d4cSJiri Pirko return -EADDRNOTAVAIL; 21573d249d4cSJiri Pirko } 21583d249d4cSJiri Pirko return 0; 21593d249d4cSJiri Pirko } 21603d249d4cSJiri Pirko 21616c85f2bdSJiri Pirko static unsigned int team_get_num_tx_queues(void) 21626c85f2bdSJiri Pirko { 21636c85f2bdSJiri Pirko return TEAM_DEFAULT_NUM_TX_QUEUES; 21646c85f2bdSJiri Pirko } 21656c85f2bdSJiri Pirko 21666c85f2bdSJiri Pirko static unsigned int team_get_num_rx_queues(void) 21676c85f2bdSJiri Pirko { 21686c85f2bdSJiri Pirko return TEAM_DEFAULT_NUM_RX_QUEUES; 21696c85f2bdSJiri Pirko } 21706c85f2bdSJiri Pirko 21713d249d4cSJiri Pirko static struct rtnl_link_ops team_link_ops __read_mostly = { 21723d249d4cSJiri Pirko .kind = DRV_NAME, 21733d249d4cSJiri Pirko .priv_size = sizeof(struct team), 21743d249d4cSJiri Pirko .setup = team_setup, 21753d249d4cSJiri Pirko .newlink = team_newlink, 21763d249d4cSJiri Pirko .validate = team_validate, 21776c85f2bdSJiri Pirko .get_num_tx_queues = team_get_num_tx_queues, 21786c85f2bdSJiri Pirko .get_num_rx_queues = team_get_num_rx_queues, 21793d249d4cSJiri Pirko }; 21803d249d4cSJiri Pirko 21813d249d4cSJiri Pirko 21823d249d4cSJiri Pirko /*********************************** 21833d249d4cSJiri Pirko * Generic netlink custom interface 21843d249d4cSJiri Pirko ***********************************/ 21853d249d4cSJiri Pirko 2186489111e5SJohannes Berg static struct genl_family team_nl_family; 21873d249d4cSJiri Pirko 21883d249d4cSJiri Pirko static const struct nla_policy team_nl_policy[TEAM_ATTR_MAX + 1] = { 21893d249d4cSJiri Pirko [TEAM_ATTR_UNSPEC] = { .type = NLA_UNSPEC, }, 21903d249d4cSJiri Pirko [TEAM_ATTR_TEAM_IFINDEX] = { .type = NLA_U32 }, 21913d249d4cSJiri Pirko [TEAM_ATTR_LIST_OPTION] = { .type = NLA_NESTED }, 21923d249d4cSJiri Pirko [TEAM_ATTR_LIST_PORT] = { .type = NLA_NESTED }, 21933d249d4cSJiri Pirko }; 21943d249d4cSJiri Pirko 21953d249d4cSJiri Pirko static const struct nla_policy 21963d249d4cSJiri Pirko team_nl_option_policy[TEAM_ATTR_OPTION_MAX + 1] = { 21973d249d4cSJiri Pirko [TEAM_ATTR_OPTION_UNSPEC] = { .type = NLA_UNSPEC, }, 21983d249d4cSJiri Pirko [TEAM_ATTR_OPTION_NAME] = { 21993d249d4cSJiri Pirko .type = NLA_STRING, 22003d249d4cSJiri Pirko .len = TEAM_STRING_MAX_LEN, 22013d249d4cSJiri Pirko }, 22023d249d4cSJiri Pirko [TEAM_ATTR_OPTION_CHANGED] = { .type = NLA_FLAG }, 22033d249d4cSJiri Pirko [TEAM_ATTR_OPTION_TYPE] = { .type = NLA_U8 }, 22042615598fSJiri Pirko [TEAM_ATTR_OPTION_DATA] = { .type = NLA_BINARY }, 22053d249d4cSJiri Pirko }; 22063d249d4cSJiri Pirko 22073d249d4cSJiri Pirko static int team_nl_cmd_noop(struct sk_buff *skb, struct genl_info *info) 22083d249d4cSJiri Pirko { 22093d249d4cSJiri Pirko struct sk_buff *msg; 22103d249d4cSJiri Pirko void *hdr; 22113d249d4cSJiri Pirko int err; 22123d249d4cSJiri Pirko 221358050fceSThomas Graf msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); 22143d249d4cSJiri Pirko if (!msg) 22153d249d4cSJiri Pirko return -ENOMEM; 22163d249d4cSJiri Pirko 221715e47304SEric W. Biederman hdr = genlmsg_put(msg, info->snd_portid, info->snd_seq, 22183d249d4cSJiri Pirko &team_nl_family, 0, TEAM_CMD_NOOP); 2219a326e6ddSWei Yongjun if (!hdr) { 2220a326e6ddSWei Yongjun err = -EMSGSIZE; 22213d249d4cSJiri Pirko goto err_msg_put; 22223d249d4cSJiri Pirko } 22233d249d4cSJiri Pirko 22243d249d4cSJiri Pirko genlmsg_end(msg, hdr); 22253d249d4cSJiri Pirko 222615e47304SEric W. Biederman return genlmsg_unicast(genl_info_net(info), msg, info->snd_portid); 22273d249d4cSJiri Pirko 22283d249d4cSJiri Pirko err_msg_put: 22293d249d4cSJiri Pirko nlmsg_free(msg); 22303d249d4cSJiri Pirko 22313d249d4cSJiri Pirko return err; 22323d249d4cSJiri Pirko } 22333d249d4cSJiri Pirko 22343d249d4cSJiri Pirko /* 22353d249d4cSJiri Pirko * Netlink cmd functions should be locked by following two functions. 22368c0713a5SJiri Pirko * Since dev gets held here, that ensures dev won't disappear in between. 22373d249d4cSJiri Pirko */ 22383d249d4cSJiri Pirko static struct team *team_nl_team_get(struct genl_info *info) 22393d249d4cSJiri Pirko { 22403d249d4cSJiri Pirko struct net *net = genl_info_net(info); 22413d249d4cSJiri Pirko int ifindex; 22423d249d4cSJiri Pirko struct net_device *dev; 22433d249d4cSJiri Pirko struct team *team; 22443d249d4cSJiri Pirko 22453d249d4cSJiri Pirko if (!info->attrs[TEAM_ATTR_TEAM_IFINDEX]) 22463d249d4cSJiri Pirko return NULL; 22473d249d4cSJiri Pirko 22483d249d4cSJiri Pirko ifindex = nla_get_u32(info->attrs[TEAM_ATTR_TEAM_IFINDEX]); 22498c0713a5SJiri Pirko dev = dev_get_by_index(net, ifindex); 22503d249d4cSJiri Pirko if (!dev || dev->netdev_ops != &team_netdev_ops) { 22518c0713a5SJiri Pirko if (dev) 22528c0713a5SJiri Pirko dev_put(dev); 22533d249d4cSJiri Pirko return NULL; 22543d249d4cSJiri Pirko } 22553d249d4cSJiri Pirko 22563d249d4cSJiri Pirko team = netdev_priv(dev); 225761dc3461SJiri Pirko mutex_lock(&team->lock); 22583d249d4cSJiri Pirko return team; 22593d249d4cSJiri Pirko } 22603d249d4cSJiri Pirko 22613d249d4cSJiri Pirko static void team_nl_team_put(struct team *team) 22623d249d4cSJiri Pirko { 226361dc3461SJiri Pirko mutex_unlock(&team->lock); 22648c0713a5SJiri Pirko dev_put(team->dev); 22653d249d4cSJiri Pirko } 22663d249d4cSJiri Pirko 22679b00cf2dSJiri Pirko typedef int team_nl_send_func_t(struct sk_buff *skb, 226815e47304SEric W. Biederman struct team *team, u32 portid); 22699b00cf2dSJiri Pirko 227015e47304SEric W. Biederman static int team_nl_send_unicast(struct sk_buff *skb, struct team *team, u32 portid) 22719b00cf2dSJiri Pirko { 227215e47304SEric W. Biederman return genlmsg_unicast(dev_net(team->dev), skb, portid); 22739b00cf2dSJiri Pirko } 22749b00cf2dSJiri Pirko 227501048d9aSJiri Pirko static int team_nl_fill_one_option_get(struct sk_buff *skb, struct team *team, 227601048d9aSJiri Pirko struct team_option_inst *opt_inst) 22773d249d4cSJiri Pirko { 22783d249d4cSJiri Pirko struct nlattr *option_item; 227980f7c668SJiri Pirko struct team_option *option = opt_inst->option; 22809b00cf2dSJiri Pirko struct team_option_inst_info *opt_inst_info = &opt_inst->info; 228180f7c668SJiri Pirko struct team_gsetter_ctx ctx; 228201048d9aSJiri Pirko int err; 22833d249d4cSJiri Pirko 22849b00cf2dSJiri Pirko ctx.info = opt_inst_info; 22859b00cf2dSJiri Pirko err = team_option_get(team, opt_inst, &ctx); 22869b00cf2dSJiri Pirko if (err) 22879b00cf2dSJiri Pirko return err; 22889b00cf2dSJiri Pirko 2289ae0be8deSMichal Kubecek option_item = nla_nest_start_noflag(skb, TEAM_ATTR_ITEM_OPTION); 22903d249d4cSJiri Pirko if (!option_item) 22919b00cf2dSJiri Pirko return -EMSGSIZE; 229285d59a87SJiri Pirko 22939b00cf2dSJiri Pirko if (nla_put_string(skb, TEAM_ATTR_OPTION_NAME, option->name)) 22949b00cf2dSJiri Pirko goto nest_cancel; 229585d59a87SJiri Pirko if (opt_inst_info->port && 229680f7c668SJiri Pirko nla_put_u32(skb, TEAM_ATTR_OPTION_PORT_IFINDEX, 229785d59a87SJiri Pirko opt_inst_info->port->dev->ifindex)) 22989b00cf2dSJiri Pirko goto nest_cancel; 2299b1303326SJiri Pirko if (opt_inst->option->array_size && 2300b1303326SJiri Pirko nla_put_u32(skb, TEAM_ATTR_OPTION_ARRAY_INDEX, 230185d59a87SJiri Pirko opt_inst_info->array_index)) 23029b00cf2dSJiri Pirko goto nest_cancel; 230385d59a87SJiri Pirko 23043d249d4cSJiri Pirko switch (option->type) { 23053d249d4cSJiri Pirko case TEAM_OPTION_TYPE_U32: 230686ebb02dSDavid S. Miller if (nla_put_u8(skb, TEAM_ATTR_OPTION_TYPE, NLA_U32)) 23079b00cf2dSJiri Pirko goto nest_cancel; 230801048d9aSJiri Pirko if (nla_put_u32(skb, TEAM_ATTR_OPTION_DATA, ctx.data.u32_val)) 23099b00cf2dSJiri Pirko goto nest_cancel; 23103d249d4cSJiri Pirko break; 23113d249d4cSJiri Pirko case TEAM_OPTION_TYPE_STRING: 231286ebb02dSDavid S. Miller if (nla_put_u8(skb, TEAM_ATTR_OPTION_TYPE, NLA_STRING)) 23139b00cf2dSJiri Pirko goto nest_cancel; 231486ebb02dSDavid S. Miller if (nla_put_string(skb, TEAM_ATTR_OPTION_DATA, 231580f7c668SJiri Pirko ctx.data.str_val)) 23169b00cf2dSJiri Pirko goto nest_cancel; 23173d249d4cSJiri Pirko break; 23182615598fSJiri Pirko case TEAM_OPTION_TYPE_BINARY: 23192615598fSJiri Pirko if (nla_put_u8(skb, TEAM_ATTR_OPTION_TYPE, NLA_BINARY)) 23209b00cf2dSJiri Pirko goto nest_cancel; 232101048d9aSJiri Pirko if (nla_put(skb, TEAM_ATTR_OPTION_DATA, ctx.data.bin_val.len, 232201048d9aSJiri Pirko ctx.data.bin_val.ptr)) 23239b00cf2dSJiri Pirko goto nest_cancel; 23242615598fSJiri Pirko break; 232514f066baSJiri Pirko case TEAM_OPTION_TYPE_BOOL: 232614f066baSJiri Pirko if (nla_put_u8(skb, TEAM_ATTR_OPTION_TYPE, NLA_FLAG)) 23279b00cf2dSJiri Pirko goto nest_cancel; 232814f066baSJiri Pirko if (ctx.data.bool_val && 232914f066baSJiri Pirko nla_put_flag(skb, TEAM_ATTR_OPTION_DATA)) 23309b00cf2dSJiri Pirko goto nest_cancel; 233114f066baSJiri Pirko break; 233269821638SJiri Pirko case TEAM_OPTION_TYPE_S32: 233369821638SJiri Pirko if (nla_put_u8(skb, TEAM_ATTR_OPTION_TYPE, NLA_S32)) 233469821638SJiri Pirko goto nest_cancel; 233569821638SJiri Pirko if (nla_put_s32(skb, TEAM_ATTR_OPTION_DATA, ctx.data.s32_val)) 233669821638SJiri Pirko goto nest_cancel; 233769821638SJiri Pirko break; 23383d249d4cSJiri Pirko default: 23393d249d4cSJiri Pirko BUG(); 23403d249d4cSJiri Pirko } 23419b00cf2dSJiri Pirko if (opt_inst->removed && nla_put_flag(skb, TEAM_ATTR_OPTION_REMOVED)) 23429b00cf2dSJiri Pirko goto nest_cancel; 23439b00cf2dSJiri Pirko if (opt_inst->changed) { 23449b00cf2dSJiri Pirko if (nla_put_flag(skb, TEAM_ATTR_OPTION_CHANGED)) 23459b00cf2dSJiri Pirko goto nest_cancel; 23469b00cf2dSJiri Pirko opt_inst->changed = false; 23479b00cf2dSJiri Pirko } 23483d249d4cSJiri Pirko nla_nest_end(skb, option_item); 234901048d9aSJiri Pirko return 0; 235001048d9aSJiri Pirko 23519b00cf2dSJiri Pirko nest_cancel: 23529b00cf2dSJiri Pirko nla_nest_cancel(skb, option_item); 23539b00cf2dSJiri Pirko return -EMSGSIZE; 235401048d9aSJiri Pirko } 235501048d9aSJiri Pirko 23569b00cf2dSJiri Pirko static int __send_and_alloc_skb(struct sk_buff **pskb, 235715e47304SEric W. Biederman struct team *team, u32 portid, 23589b00cf2dSJiri Pirko team_nl_send_func_t *send_func) 23599b00cf2dSJiri Pirko { 23609b00cf2dSJiri Pirko int err; 23619b00cf2dSJiri Pirko 23629b00cf2dSJiri Pirko if (*pskb) { 236315e47304SEric W. Biederman err = send_func(*pskb, team, portid); 23649b00cf2dSJiri Pirko if (err) 23659b00cf2dSJiri Pirko return err; 23669b00cf2dSJiri Pirko } 236758050fceSThomas Graf *pskb = genlmsg_new(GENLMSG_DEFAULT_SIZE, GFP_KERNEL); 23689b00cf2dSJiri Pirko if (!*pskb) 23699b00cf2dSJiri Pirko return -ENOMEM; 23709b00cf2dSJiri Pirko return 0; 23719b00cf2dSJiri Pirko } 23729b00cf2dSJiri Pirko 237315e47304SEric W. Biederman static int team_nl_send_options_get(struct team *team, u32 portid, u32 seq, 23749b00cf2dSJiri Pirko int flags, team_nl_send_func_t *send_func, 237501048d9aSJiri Pirko struct list_head *sel_opt_inst_list) 237601048d9aSJiri Pirko { 237701048d9aSJiri Pirko struct nlattr *option_list; 23789b00cf2dSJiri Pirko struct nlmsghdr *nlh; 237901048d9aSJiri Pirko void *hdr; 238001048d9aSJiri Pirko struct team_option_inst *opt_inst; 238101048d9aSJiri Pirko int err; 23829b00cf2dSJiri Pirko struct sk_buff *skb = NULL; 23839b00cf2dSJiri Pirko bool incomplete; 23849b00cf2dSJiri Pirko int i; 238501048d9aSJiri Pirko 23869b00cf2dSJiri Pirko opt_inst = list_first_entry(sel_opt_inst_list, 23879b00cf2dSJiri Pirko struct team_option_inst, tmp_list); 23889b00cf2dSJiri Pirko 23899b00cf2dSJiri Pirko start_again: 239015e47304SEric W. Biederman err = __send_and_alloc_skb(&skb, team, portid, send_func); 23919b00cf2dSJiri Pirko if (err) 23929b00cf2dSJiri Pirko return err; 23939b00cf2dSJiri Pirko 239415e47304SEric W. Biederman hdr = genlmsg_put(skb, portid, seq, &team_nl_family, flags | NLM_F_MULTI, 239501048d9aSJiri Pirko TEAM_CMD_OPTIONS_GET); 239672ec0bc6SPan Bian if (!hdr) { 239772ec0bc6SPan Bian nlmsg_free(skb); 2398a326e6ddSWei Yongjun return -EMSGSIZE; 239972ec0bc6SPan Bian } 240001048d9aSJiri Pirko 240101048d9aSJiri Pirko if (nla_put_u32(skb, TEAM_ATTR_TEAM_IFINDEX, team->dev->ifindex)) 240201048d9aSJiri Pirko goto nla_put_failure; 2403ae0be8deSMichal Kubecek option_list = nla_nest_start_noflag(skb, TEAM_ATTR_LIST_OPTION); 240401048d9aSJiri Pirko if (!option_list) 240501048d9aSJiri Pirko goto nla_put_failure; 240601048d9aSJiri Pirko 24079b00cf2dSJiri Pirko i = 0; 24089b00cf2dSJiri Pirko incomplete = false; 24099b00cf2dSJiri Pirko list_for_each_entry_from(opt_inst, sel_opt_inst_list, tmp_list) { 241001048d9aSJiri Pirko err = team_nl_fill_one_option_get(skb, team, opt_inst); 24119b00cf2dSJiri Pirko if (err) { 24129b00cf2dSJiri Pirko if (err == -EMSGSIZE) { 24139b00cf2dSJiri Pirko if (!i) 241401048d9aSJiri Pirko goto errout; 24159b00cf2dSJiri Pirko incomplete = true; 24169b00cf2dSJiri Pirko break; 24179b00cf2dSJiri Pirko } 24189b00cf2dSJiri Pirko goto errout; 24199b00cf2dSJiri Pirko } 24209b00cf2dSJiri Pirko i++; 24213d249d4cSJiri Pirko } 24223d249d4cSJiri Pirko 24233d249d4cSJiri Pirko nla_nest_end(skb, option_list); 24249b00cf2dSJiri Pirko genlmsg_end(skb, hdr); 24259b00cf2dSJiri Pirko if (incomplete) 24269b00cf2dSJiri Pirko goto start_again; 24279b00cf2dSJiri Pirko 24289b00cf2dSJiri Pirko send_done: 242915e47304SEric W. Biederman nlh = nlmsg_put(skb, portid, seq, NLMSG_DONE, 0, flags | NLM_F_MULTI); 24309b00cf2dSJiri Pirko if (!nlh) { 243115e47304SEric W. Biederman err = __send_and_alloc_skb(&skb, team, portid, send_func); 24329b00cf2dSJiri Pirko if (err) 2433cbcc607eSArkadi Sharshevsky return err; 24349b00cf2dSJiri Pirko goto send_done; 24359b00cf2dSJiri Pirko } 24369b00cf2dSJiri Pirko 243715e47304SEric W. Biederman return send_func(skb, team, portid); 24383d249d4cSJiri Pirko 24393d249d4cSJiri Pirko nla_put_failure: 244080f7c668SJiri Pirko err = -EMSGSIZE; 244180f7c668SJiri Pirko errout: 24429b00cf2dSJiri Pirko nlmsg_free(skb); 244380f7c668SJiri Pirko return err; 24443d249d4cSJiri Pirko } 24453d249d4cSJiri Pirko 24463d249d4cSJiri Pirko static int team_nl_cmd_options_get(struct sk_buff *skb, struct genl_info *info) 24473d249d4cSJiri Pirko { 24483d249d4cSJiri Pirko struct team *team; 24499b00cf2dSJiri Pirko struct team_option_inst *opt_inst; 24503d249d4cSJiri Pirko int err; 24519b00cf2dSJiri Pirko LIST_HEAD(sel_opt_inst_list); 24523d249d4cSJiri Pirko 24533d249d4cSJiri Pirko team = team_nl_team_get(info); 24543d249d4cSJiri Pirko if (!team) 24553d249d4cSJiri Pirko return -EINVAL; 24563d249d4cSJiri Pirko 24579b00cf2dSJiri Pirko list_for_each_entry(opt_inst, &team->option_inst_list, list) 24589b00cf2dSJiri Pirko list_add_tail(&opt_inst->tmp_list, &sel_opt_inst_list); 245915e47304SEric W. Biederman err = team_nl_send_options_get(team, info->snd_portid, info->snd_seq, 24609b00cf2dSJiri Pirko NLM_F_ACK, team_nl_send_unicast, 24619b00cf2dSJiri Pirko &sel_opt_inst_list); 24623d249d4cSJiri Pirko 24633d249d4cSJiri Pirko team_nl_team_put(team); 24643d249d4cSJiri Pirko 24653d249d4cSJiri Pirko return err; 24663d249d4cSJiri Pirko } 24673d249d4cSJiri Pirko 24682fcdb2c9SJiri Pirko static int team_nl_send_event_options_get(struct team *team, 24692fcdb2c9SJiri Pirko struct list_head *sel_opt_inst_list); 24702fcdb2c9SJiri Pirko 24713d249d4cSJiri Pirko static int team_nl_cmd_options_set(struct sk_buff *skb, struct genl_info *info) 24723d249d4cSJiri Pirko { 24733d249d4cSJiri Pirko struct team *team; 24743d249d4cSJiri Pirko int err = 0; 24753d249d4cSJiri Pirko int i; 24763d249d4cSJiri Pirko struct nlattr *nl_option; 24773d249d4cSJiri Pirko 24787d259505SJiri Pirko rtnl_lock(); 24797d259505SJiri Pirko 24803d249d4cSJiri Pirko team = team_nl_team_get(info); 24817d259505SJiri Pirko if (!team) { 24827d259505SJiri Pirko err = -EINVAL; 24837d259505SJiri Pirko goto rtnl_unlock; 24847d259505SJiri Pirko } 24853d249d4cSJiri Pirko 24863d249d4cSJiri Pirko err = -EINVAL; 24873d249d4cSJiri Pirko if (!info->attrs[TEAM_ATTR_LIST_OPTION]) { 24883d249d4cSJiri Pirko err = -EINVAL; 24893d249d4cSJiri Pirko goto team_put; 24903d249d4cSJiri Pirko } 24913d249d4cSJiri Pirko 24923d249d4cSJiri Pirko nla_for_each_nested(nl_option, info->attrs[TEAM_ATTR_LIST_OPTION], i) { 249380f7c668SJiri Pirko struct nlattr *opt_attrs[TEAM_ATTR_OPTION_MAX + 1]; 2494b1303326SJiri Pirko struct nlattr *attr; 249514f066baSJiri Pirko struct nlattr *attr_data; 24962fdeee25SCong Wang LIST_HEAD(opt_inst_list); 24973d249d4cSJiri Pirko enum team_option_type opt_type; 249880f7c668SJiri Pirko int opt_port_ifindex = 0; /* != 0 for per-port options */ 2499b1303326SJiri Pirko u32 opt_array_index = 0; 2500b1303326SJiri Pirko bool opt_is_array = false; 250180f7c668SJiri Pirko struct team_option_inst *opt_inst; 25023d249d4cSJiri Pirko char *opt_name; 25033d249d4cSJiri Pirko bool opt_found = false; 25043d249d4cSJiri Pirko 25053d249d4cSJiri Pirko if (nla_type(nl_option) != TEAM_ATTR_ITEM_OPTION) { 25063d249d4cSJiri Pirko err = -EINVAL; 25073d249d4cSJiri Pirko goto team_put; 25083d249d4cSJiri Pirko } 25098cb08174SJohannes Berg err = nla_parse_nested_deprecated(opt_attrs, 25108cb08174SJohannes Berg TEAM_ATTR_OPTION_MAX, 25118cb08174SJohannes Berg nl_option, 25128cb08174SJohannes Berg team_nl_option_policy, 2513fe52145fSJohannes Berg info->extack); 25143d249d4cSJiri Pirko if (err) 25153d249d4cSJiri Pirko goto team_put; 251680f7c668SJiri Pirko if (!opt_attrs[TEAM_ATTR_OPTION_NAME] || 251714f066baSJiri Pirko !opt_attrs[TEAM_ATTR_OPTION_TYPE]) { 25183d249d4cSJiri Pirko err = -EINVAL; 25193d249d4cSJiri Pirko goto team_put; 25203d249d4cSJiri Pirko } 252180f7c668SJiri Pirko switch (nla_get_u8(opt_attrs[TEAM_ATTR_OPTION_TYPE])) { 25223d249d4cSJiri Pirko case NLA_U32: 25233d249d4cSJiri Pirko opt_type = TEAM_OPTION_TYPE_U32; 25243d249d4cSJiri Pirko break; 25253d249d4cSJiri Pirko case NLA_STRING: 25263d249d4cSJiri Pirko opt_type = TEAM_OPTION_TYPE_STRING; 25273d249d4cSJiri Pirko break; 25282615598fSJiri Pirko case NLA_BINARY: 25292615598fSJiri Pirko opt_type = TEAM_OPTION_TYPE_BINARY; 25302615598fSJiri Pirko break; 253114f066baSJiri Pirko case NLA_FLAG: 253214f066baSJiri Pirko opt_type = TEAM_OPTION_TYPE_BOOL; 253314f066baSJiri Pirko break; 253469821638SJiri Pirko case NLA_S32: 253569821638SJiri Pirko opt_type = TEAM_OPTION_TYPE_S32; 253669821638SJiri Pirko break; 25373d249d4cSJiri Pirko default: 25383d249d4cSJiri Pirko goto team_put; 25393d249d4cSJiri Pirko } 25403d249d4cSJiri Pirko 254114f066baSJiri Pirko attr_data = opt_attrs[TEAM_ATTR_OPTION_DATA]; 254214f066baSJiri Pirko if (opt_type != TEAM_OPTION_TYPE_BOOL && !attr_data) { 254314f066baSJiri Pirko err = -EINVAL; 254414f066baSJiri Pirko goto team_put; 254514f066baSJiri Pirko } 254614f066baSJiri Pirko 254780f7c668SJiri Pirko opt_name = nla_data(opt_attrs[TEAM_ATTR_OPTION_NAME]); 2548b1303326SJiri Pirko attr = opt_attrs[TEAM_ATTR_OPTION_PORT_IFINDEX]; 2549b1303326SJiri Pirko if (attr) 2550b1303326SJiri Pirko opt_port_ifindex = nla_get_u32(attr); 2551b1303326SJiri Pirko 2552b1303326SJiri Pirko attr = opt_attrs[TEAM_ATTR_OPTION_ARRAY_INDEX]; 2553b1303326SJiri Pirko if (attr) { 2554b1303326SJiri Pirko opt_is_array = true; 2555b1303326SJiri Pirko opt_array_index = nla_get_u32(attr); 2556b1303326SJiri Pirko } 25573d249d4cSJiri Pirko 255880f7c668SJiri Pirko list_for_each_entry(opt_inst, &team->option_inst_list, list) { 255980f7c668SJiri Pirko struct team_option *option = opt_inst->option; 256080f7c668SJiri Pirko struct team_gsetter_ctx ctx; 256185d59a87SJiri Pirko struct team_option_inst_info *opt_inst_info; 256280f7c668SJiri Pirko int tmp_ifindex; 256380f7c668SJiri Pirko 256485d59a87SJiri Pirko opt_inst_info = &opt_inst->info; 256585d59a87SJiri Pirko tmp_ifindex = opt_inst_info->port ? 256685d59a87SJiri Pirko opt_inst_info->port->dev->ifindex : 0; 25673d249d4cSJiri Pirko if (option->type != opt_type || 256880f7c668SJiri Pirko strcmp(option->name, opt_name) || 2569b1303326SJiri Pirko tmp_ifindex != opt_port_ifindex || 2570b1303326SJiri Pirko (option->array_size && !opt_is_array) || 257185d59a87SJiri Pirko opt_inst_info->array_index != opt_array_index) 25723d249d4cSJiri Pirko continue; 25733d249d4cSJiri Pirko opt_found = true; 257485d59a87SJiri Pirko ctx.info = opt_inst_info; 25753d249d4cSJiri Pirko switch (opt_type) { 25763d249d4cSJiri Pirko case TEAM_OPTION_TYPE_U32: 257714f066baSJiri Pirko ctx.data.u32_val = nla_get_u32(attr_data); 25783d249d4cSJiri Pirko break; 25793d249d4cSJiri Pirko case TEAM_OPTION_TYPE_STRING: 258014f066baSJiri Pirko if (nla_len(attr_data) > TEAM_STRING_MAX_LEN) { 25812615598fSJiri Pirko err = -EINVAL; 25822615598fSJiri Pirko goto team_put; 25832615598fSJiri Pirko } 258414f066baSJiri Pirko ctx.data.str_val = nla_data(attr_data); 25853d249d4cSJiri Pirko break; 25862615598fSJiri Pirko case TEAM_OPTION_TYPE_BINARY: 258714f066baSJiri Pirko ctx.data.bin_val.len = nla_len(attr_data); 258814f066baSJiri Pirko ctx.data.bin_val.ptr = nla_data(attr_data); 258914f066baSJiri Pirko break; 259014f066baSJiri Pirko case TEAM_OPTION_TYPE_BOOL: 259114f066baSJiri Pirko ctx.data.bool_val = attr_data ? true : false; 25922615598fSJiri Pirko break; 259369821638SJiri Pirko case TEAM_OPTION_TYPE_S32: 259469821638SJiri Pirko ctx.data.s32_val = nla_get_s32(attr_data); 259569821638SJiri Pirko break; 25963d249d4cSJiri Pirko default: 25973d249d4cSJiri Pirko BUG(); 25983d249d4cSJiri Pirko } 259980f7c668SJiri Pirko err = team_option_set(team, opt_inst, &ctx); 26003d249d4cSJiri Pirko if (err) 26013d249d4cSJiri Pirko goto team_put; 26022fcdb2c9SJiri Pirko opt_inst->changed = true; 26032fcdb2c9SJiri Pirko list_add(&opt_inst->tmp_list, &opt_inst_list); 26043d249d4cSJiri Pirko } 26053d249d4cSJiri Pirko if (!opt_found) { 26063d249d4cSJiri Pirko err = -ENOENT; 26073d249d4cSJiri Pirko goto team_put; 26083d249d4cSJiri Pirko } 26093d249d4cSJiri Pirko 26102fcdb2c9SJiri Pirko err = team_nl_send_event_options_get(team, &opt_inst_list); 26112fdeee25SCong Wang if (err) 26122fdeee25SCong Wang break; 26132fdeee25SCong Wang } 26142fcdb2c9SJiri Pirko 26153d249d4cSJiri Pirko team_put: 26163d249d4cSJiri Pirko team_nl_team_put(team); 26177d259505SJiri Pirko rtnl_unlock: 26187d259505SJiri Pirko rtnl_unlock(); 26193d249d4cSJiri Pirko return err; 26203d249d4cSJiri Pirko } 26213d249d4cSJiri Pirko 2622d90f889eSJiri Pirko static int team_nl_fill_one_port_get(struct sk_buff *skb, 2623d90f889eSJiri Pirko struct team_port *port) 2624d90f889eSJiri Pirko { 2625d90f889eSJiri Pirko struct nlattr *port_item; 2626d90f889eSJiri Pirko 2627ae0be8deSMichal Kubecek port_item = nla_nest_start_noflag(skb, TEAM_ATTR_ITEM_PORT); 2628d90f889eSJiri Pirko if (!port_item) 2629d90f889eSJiri Pirko goto nest_cancel; 2630d90f889eSJiri Pirko if (nla_put_u32(skb, TEAM_ATTR_PORT_IFINDEX, port->dev->ifindex)) 2631d90f889eSJiri Pirko goto nest_cancel; 2632d90f889eSJiri Pirko if (port->changed) { 2633d90f889eSJiri Pirko if (nla_put_flag(skb, TEAM_ATTR_PORT_CHANGED)) 2634d90f889eSJiri Pirko goto nest_cancel; 2635d90f889eSJiri Pirko port->changed = false; 2636d90f889eSJiri Pirko } 2637d90f889eSJiri Pirko if ((port->removed && 2638d90f889eSJiri Pirko nla_put_flag(skb, TEAM_ATTR_PORT_REMOVED)) || 2639d90f889eSJiri Pirko (port->state.linkup && 2640d90f889eSJiri Pirko nla_put_flag(skb, TEAM_ATTR_PORT_LINKUP)) || 2641d90f889eSJiri Pirko nla_put_u32(skb, TEAM_ATTR_PORT_SPEED, port->state.speed) || 2642d90f889eSJiri Pirko nla_put_u8(skb, TEAM_ATTR_PORT_DUPLEX, port->state.duplex)) 2643d90f889eSJiri Pirko goto nest_cancel; 2644d90f889eSJiri Pirko nla_nest_end(skb, port_item); 2645d90f889eSJiri Pirko return 0; 2646d90f889eSJiri Pirko 2647d90f889eSJiri Pirko nest_cancel: 2648d90f889eSJiri Pirko nla_nest_cancel(skb, port_item); 2649d90f889eSJiri Pirko return -EMSGSIZE; 2650d90f889eSJiri Pirko } 2651d90f889eSJiri Pirko 2652d90f889eSJiri Pirko static int team_nl_send_port_list_get(struct team *team, u32 portid, u32 seq, 2653d90f889eSJiri Pirko int flags, team_nl_send_func_t *send_func, 2654d90f889eSJiri Pirko struct team_port *one_port) 26553d249d4cSJiri Pirko { 26563d249d4cSJiri Pirko struct nlattr *port_list; 2657d90f889eSJiri Pirko struct nlmsghdr *nlh; 26583d249d4cSJiri Pirko void *hdr; 26593d249d4cSJiri Pirko struct team_port *port; 2660d90f889eSJiri Pirko int err; 2661d90f889eSJiri Pirko struct sk_buff *skb = NULL; 2662d90f889eSJiri Pirko bool incomplete; 2663d90f889eSJiri Pirko int i; 26643d249d4cSJiri Pirko 26653f3e7ce4SJiri Pirko port = list_first_entry_or_null(&team->port_list, 26663f3e7ce4SJiri Pirko struct team_port, list); 2667d90f889eSJiri Pirko 2668d90f889eSJiri Pirko start_again: 2669d90f889eSJiri Pirko err = __send_and_alloc_skb(&skb, team, portid, send_func); 2670d90f889eSJiri Pirko if (err) 2671d90f889eSJiri Pirko return err; 2672d90f889eSJiri Pirko 2673d90f889eSJiri Pirko hdr = genlmsg_put(skb, portid, seq, &team_nl_family, flags | NLM_F_MULTI, 26743d249d4cSJiri Pirko TEAM_CMD_PORT_LIST_GET); 267572ec0bc6SPan Bian if (!hdr) { 267672ec0bc6SPan Bian nlmsg_free(skb); 2677a326e6ddSWei Yongjun return -EMSGSIZE; 267872ec0bc6SPan Bian } 26793d249d4cSJiri Pirko 268086ebb02dSDavid S. Miller if (nla_put_u32(skb, TEAM_ATTR_TEAM_IFINDEX, team->dev->ifindex)) 268186ebb02dSDavid S. Miller goto nla_put_failure; 2682ae0be8deSMichal Kubecek port_list = nla_nest_start_noflag(skb, TEAM_ATTR_LIST_PORT); 26833d249d4cSJiri Pirko if (!port_list) 26843221c646SJiri Pirko goto nla_put_failure; 26853d249d4cSJiri Pirko 2686d90f889eSJiri Pirko i = 0; 2687d90f889eSJiri Pirko incomplete = false; 26883d249d4cSJiri Pirko 2689d90f889eSJiri Pirko /* If one port is selected, called wants to send port list containing 2690d90f889eSJiri Pirko * only this port. Otherwise go through all listed ports and send all 2691d90f889eSJiri Pirko */ 2692d90f889eSJiri Pirko if (one_port) { 2693d90f889eSJiri Pirko err = team_nl_fill_one_port_get(skb, one_port); 2694d90f889eSJiri Pirko if (err) 2695d90f889eSJiri Pirko goto errout; 26963f3e7ce4SJiri Pirko } else if (port) { 26973f3e7ce4SJiri Pirko list_for_each_entry_from(port, &team->port_list, list) { 2698d90f889eSJiri Pirko err = team_nl_fill_one_port_get(skb, port); 2699d90f889eSJiri Pirko if (err) { 2700d90f889eSJiri Pirko if (err == -EMSGSIZE) { 2701d90f889eSJiri Pirko if (!i) 2702d90f889eSJiri Pirko goto errout; 2703d90f889eSJiri Pirko incomplete = true; 2704d90f889eSJiri Pirko break; 2705b82b9183SJiri Pirko } 2706d90f889eSJiri Pirko goto errout; 2707d90f889eSJiri Pirko } 2708d90f889eSJiri Pirko i++; 2709d90f889eSJiri Pirko } 27103d249d4cSJiri Pirko } 27113d249d4cSJiri Pirko 27123d249d4cSJiri Pirko nla_nest_end(skb, port_list); 2713d90f889eSJiri Pirko genlmsg_end(skb, hdr); 2714d90f889eSJiri Pirko if (incomplete) 2715d90f889eSJiri Pirko goto start_again; 27163d249d4cSJiri Pirko 2717d90f889eSJiri Pirko send_done: 2718d90f889eSJiri Pirko nlh = nlmsg_put(skb, portid, seq, NLMSG_DONE, 0, flags | NLM_F_MULTI); 2719d90f889eSJiri Pirko if (!nlh) { 2720d90f889eSJiri Pirko err = __send_and_alloc_skb(&skb, team, portid, send_func); 2721d90f889eSJiri Pirko if (err) 2722cbcc607eSArkadi Sharshevsky return err; 2723d90f889eSJiri Pirko goto send_done; 27243d249d4cSJiri Pirko } 27253d249d4cSJiri Pirko 2726d90f889eSJiri Pirko return send_func(skb, team, portid); 2727d90f889eSJiri Pirko 2728d90f889eSJiri Pirko nla_put_failure: 2729d90f889eSJiri Pirko err = -EMSGSIZE; 2730d90f889eSJiri Pirko errout: 2731d90f889eSJiri Pirko nlmsg_free(skb); 2732d90f889eSJiri Pirko return err; 27333d249d4cSJiri Pirko } 27343d249d4cSJiri Pirko 27353d249d4cSJiri Pirko static int team_nl_cmd_port_list_get(struct sk_buff *skb, 27363d249d4cSJiri Pirko struct genl_info *info) 27373d249d4cSJiri Pirko { 27383d249d4cSJiri Pirko struct team *team; 27393d249d4cSJiri Pirko int err; 27403d249d4cSJiri Pirko 27413d249d4cSJiri Pirko team = team_nl_team_get(info); 27423d249d4cSJiri Pirko if (!team) 27433d249d4cSJiri Pirko return -EINVAL; 27443d249d4cSJiri Pirko 2745d90f889eSJiri Pirko err = team_nl_send_port_list_get(team, info->snd_portid, info->snd_seq, 2746d90f889eSJiri Pirko NLM_F_ACK, team_nl_send_unicast, NULL); 27473d249d4cSJiri Pirko 27483d249d4cSJiri Pirko team_nl_team_put(team); 27493d249d4cSJiri Pirko 27503d249d4cSJiri Pirko return err; 27513d249d4cSJiri Pirko } 27523d249d4cSJiri Pirko 27534534de83SJohannes Berg static const struct genl_ops team_nl_ops[] = { 27543d249d4cSJiri Pirko { 27553d249d4cSJiri Pirko .cmd = TEAM_CMD_NOOP, 2756ef6243acSJohannes Berg .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, 27573d249d4cSJiri Pirko .doit = team_nl_cmd_noop, 27583d249d4cSJiri Pirko }, 27593d249d4cSJiri Pirko { 27603d249d4cSJiri Pirko .cmd = TEAM_CMD_OPTIONS_SET, 2761ef6243acSJohannes Berg .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, 27623d249d4cSJiri Pirko .doit = team_nl_cmd_options_set, 27633d249d4cSJiri Pirko .flags = GENL_ADMIN_PERM, 27643d249d4cSJiri Pirko }, 27653d249d4cSJiri Pirko { 27663d249d4cSJiri Pirko .cmd = TEAM_CMD_OPTIONS_GET, 2767ef6243acSJohannes Berg .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, 27683d249d4cSJiri Pirko .doit = team_nl_cmd_options_get, 27693d249d4cSJiri Pirko .flags = GENL_ADMIN_PERM, 27703d249d4cSJiri Pirko }, 27713d249d4cSJiri Pirko { 27723d249d4cSJiri Pirko .cmd = TEAM_CMD_PORT_LIST_GET, 2773ef6243acSJohannes Berg .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, 27743d249d4cSJiri Pirko .doit = team_nl_cmd_port_list_get, 27753d249d4cSJiri Pirko .flags = GENL_ADMIN_PERM, 27763d249d4cSJiri Pirko }, 27773d249d4cSJiri Pirko }; 27783d249d4cSJiri Pirko 27792a94fe48SJohannes Berg static const struct genl_multicast_group team_nl_mcgrps[] = { 27802a94fe48SJohannes Berg { .name = TEAM_GENL_CHANGE_EVENT_MC_GRP_NAME, }, 27813d249d4cSJiri Pirko }; 27823d249d4cSJiri Pirko 278356989f6dSJohannes Berg static struct genl_family team_nl_family __ro_after_init = { 2784489111e5SJohannes Berg .name = TEAM_GENL_NAME, 2785489111e5SJohannes Berg .version = TEAM_GENL_VERSION, 2786489111e5SJohannes Berg .maxattr = TEAM_ATTR_MAX, 27873b0f31f2SJohannes Berg .policy = team_nl_policy, 2788489111e5SJohannes Berg .netnsok = true, 2789489111e5SJohannes Berg .module = THIS_MODULE, 2790489111e5SJohannes Berg .ops = team_nl_ops, 2791489111e5SJohannes Berg .n_ops = ARRAY_SIZE(team_nl_ops), 2792489111e5SJohannes Berg .mcgrps = team_nl_mcgrps, 2793489111e5SJohannes Berg .n_mcgrps = ARRAY_SIZE(team_nl_mcgrps), 2794489111e5SJohannes Berg }; 2795489111e5SJohannes Berg 27969b00cf2dSJiri Pirko static int team_nl_send_multicast(struct sk_buff *skb, 279715e47304SEric W. Biederman struct team *team, u32 portid) 27989b00cf2dSJiri Pirko { 279968eb5503SJohannes Berg return genlmsg_multicast_netns(&team_nl_family, dev_net(team->dev), 28002a94fe48SJohannes Berg skb, 0, 0, GFP_KERNEL); 28019b00cf2dSJiri Pirko } 28029b00cf2dSJiri Pirko 280301048d9aSJiri Pirko static int team_nl_send_event_options_get(struct team *team, 280401048d9aSJiri Pirko struct list_head *sel_opt_inst_list) 28053d249d4cSJiri Pirko { 28069b00cf2dSJiri Pirko return team_nl_send_options_get(team, 0, 0, 0, team_nl_send_multicast, 28079b00cf2dSJiri Pirko sel_opt_inst_list); 28083d249d4cSJiri Pirko } 28093d249d4cSJiri Pirko 2810d90f889eSJiri Pirko static int team_nl_send_event_port_get(struct team *team, 2811d90f889eSJiri Pirko struct team_port *port) 28123d249d4cSJiri Pirko { 2813d90f889eSJiri Pirko return team_nl_send_port_list_get(team, 0, 0, 0, team_nl_send_multicast, 2814d90f889eSJiri Pirko port); 28153d249d4cSJiri Pirko } 28163d249d4cSJiri Pirko 281756989f6dSJohannes Berg static int __init team_nl_init(void) 28183d249d4cSJiri Pirko { 2819489111e5SJohannes Berg return genl_register_family(&team_nl_family); 28203d249d4cSJiri Pirko } 28213d249d4cSJiri Pirko 28223d249d4cSJiri Pirko static void team_nl_fini(void) 28233d249d4cSJiri Pirko { 28243d249d4cSJiri Pirko genl_unregister_family(&team_nl_family); 28253d249d4cSJiri Pirko } 28263d249d4cSJiri Pirko 28273d249d4cSJiri Pirko 28283d249d4cSJiri Pirko /****************** 28293d249d4cSJiri Pirko * Change checkers 28303d249d4cSJiri Pirko ******************/ 28313d249d4cSJiri Pirko 2832b82b9183SJiri Pirko static void __team_options_change_check(struct team *team) 28333d249d4cSJiri Pirko { 28343d249d4cSJiri Pirko int err; 283501048d9aSJiri Pirko struct team_option_inst *opt_inst; 283601048d9aSJiri Pirko LIST_HEAD(sel_opt_inst_list); 28373d249d4cSJiri Pirko 283801048d9aSJiri Pirko list_for_each_entry(opt_inst, &team->option_inst_list, list) { 283901048d9aSJiri Pirko if (opt_inst->changed) 284001048d9aSJiri Pirko list_add_tail(&opt_inst->tmp_list, &sel_opt_inst_list); 284101048d9aSJiri Pirko } 284201048d9aSJiri Pirko err = team_nl_send_event_options_get(team, &sel_opt_inst_list); 28430c7517e9SJiri Pirko if (err && err != -ESRCH) 28449b00cf2dSJiri Pirko netdev_warn(team->dev, "Failed to send options change via netlink (err %d)\n", 28459b00cf2dSJiri Pirko err); 28463d249d4cSJiri Pirko } 28473d249d4cSJiri Pirko 28483d249d4cSJiri Pirko /* rtnl lock is held */ 284910f3f51dSJiri Pirko 285010f3f51dSJiri Pirko static void __team_port_change_send(struct team_port *port, bool linkup) 28513d249d4cSJiri Pirko { 28523d249d4cSJiri Pirko int err; 28533d249d4cSJiri Pirko 2854b82b9183SJiri Pirko port->changed = true; 285571472ec1SJiri Pirko port->state.linkup = linkup; 285671472ec1SJiri Pirko team_refresh_port_linkup(port); 28573d249d4cSJiri Pirko if (linkup) { 28580ab6b544SDavid Decotigny struct ethtool_link_ksettings ecmd; 28593d249d4cSJiri Pirko 28600ab6b544SDavid Decotigny err = __ethtool_get_link_ksettings(port->dev, &ecmd); 28613d249d4cSJiri Pirko if (!err) { 28620ab6b544SDavid Decotigny port->state.speed = ecmd.base.speed; 28630ab6b544SDavid Decotigny port->state.duplex = ecmd.base.duplex; 28643d249d4cSJiri Pirko goto send_event; 28653d249d4cSJiri Pirko } 28663d249d4cSJiri Pirko } 286771472ec1SJiri Pirko port->state.speed = 0; 286871472ec1SJiri Pirko port->state.duplex = 0; 28693d249d4cSJiri Pirko 28703d249d4cSJiri Pirko send_event: 2871d90f889eSJiri Pirko err = team_nl_send_event_port_get(port->team, port); 28720c7517e9SJiri Pirko if (err && err != -ESRCH) 28730c7517e9SJiri Pirko netdev_warn(port->team->dev, "Failed to send port change of device %s via netlink (err %d)\n", 28740c7517e9SJiri Pirko port->dev->name, err); 28753d249d4cSJiri Pirko 28763d249d4cSJiri Pirko } 28773d249d4cSJiri Pirko 287806a7fc42SFlavio Leitner static void __team_carrier_check(struct team *team) 287906a7fc42SFlavio Leitner { 288006a7fc42SFlavio Leitner struct team_port *port; 288106a7fc42SFlavio Leitner bool team_linkup; 288206a7fc42SFlavio Leitner 2883e185483eSFlavio Leitner if (team->user_carrier_enabled) 2884e185483eSFlavio Leitner return; 2885e185483eSFlavio Leitner 288606a7fc42SFlavio Leitner team_linkup = false; 288706a7fc42SFlavio Leitner list_for_each_entry(port, &team->port_list, list) { 288806a7fc42SFlavio Leitner if (port->linkup) { 288906a7fc42SFlavio Leitner team_linkup = true; 289006a7fc42SFlavio Leitner break; 289106a7fc42SFlavio Leitner } 289206a7fc42SFlavio Leitner } 289306a7fc42SFlavio Leitner 289406a7fc42SFlavio Leitner if (team_linkup) 289506a7fc42SFlavio Leitner netif_carrier_on(team->dev); 289606a7fc42SFlavio Leitner else 289706a7fc42SFlavio Leitner netif_carrier_off(team->dev); 289806a7fc42SFlavio Leitner } 289906a7fc42SFlavio Leitner 290010f3f51dSJiri Pirko static void __team_port_change_check(struct team_port *port, bool linkup) 290110f3f51dSJiri Pirko { 290210f3f51dSJiri Pirko if (port->state.linkup != linkup) 290310f3f51dSJiri Pirko __team_port_change_send(port, linkup); 290406a7fc42SFlavio Leitner __team_carrier_check(port->team); 290510f3f51dSJiri Pirko } 290610f3f51dSJiri Pirko 290710f3f51dSJiri Pirko static void __team_port_change_port_added(struct team_port *port, bool linkup) 290810f3f51dSJiri Pirko { 290910f3f51dSJiri Pirko __team_port_change_send(port, linkup); 291006a7fc42SFlavio Leitner __team_carrier_check(port->team); 291110f3f51dSJiri Pirko } 291210f3f51dSJiri Pirko 291310f3f51dSJiri Pirko static void __team_port_change_port_removed(struct team_port *port) 291410f3f51dSJiri Pirko { 291510f3f51dSJiri Pirko port->removed = true; 291610f3f51dSJiri Pirko __team_port_change_send(port, false); 291706a7fc42SFlavio Leitner __team_carrier_check(port->team); 291810f3f51dSJiri Pirko } 291910f3f51dSJiri Pirko 29203d249d4cSJiri Pirko static void team_port_change_check(struct team_port *port, bool linkup) 29213d249d4cSJiri Pirko { 29223d249d4cSJiri Pirko struct team *team = port->team; 29233d249d4cSJiri Pirko 292461dc3461SJiri Pirko mutex_lock(&team->lock); 29253d249d4cSJiri Pirko __team_port_change_check(port, linkup); 292661dc3461SJiri Pirko mutex_unlock(&team->lock); 29273d249d4cSJiri Pirko } 29283d249d4cSJiri Pirko 29290f1aad2bSJiri Pirko 29303d249d4cSJiri Pirko /************************************ 29313d249d4cSJiri Pirko * Net device notifier event handler 29323d249d4cSJiri Pirko ************************************/ 29333d249d4cSJiri Pirko 29343d249d4cSJiri Pirko static int team_device_event(struct notifier_block *unused, 29353d249d4cSJiri Pirko unsigned long event, void *ptr) 29363d249d4cSJiri Pirko { 2937351638e7SJiri Pirko struct net_device *dev = netdev_notifier_info_to_dev(ptr); 29383d249d4cSJiri Pirko struct team_port *port; 29393d249d4cSJiri Pirko 29403d249d4cSJiri Pirko port = team_port_get_rtnl(dev); 29413d249d4cSJiri Pirko if (!port) 29423d249d4cSJiri Pirko return NOTIFY_DONE; 29433d249d4cSJiri Pirko 29443d249d4cSJiri Pirko switch (event) { 29453d249d4cSJiri Pirko case NETDEV_UP: 29468c7a7726SGeorge Wilkie if (netif_oper_up(dev)) 29473d249d4cSJiri Pirko team_port_change_check(port, true); 2948ed2da03cSJiri Pirko break; 29493d249d4cSJiri Pirko case NETDEV_DOWN: 29503d249d4cSJiri Pirko team_port_change_check(port, false); 2951ed2da03cSJiri Pirko break; 29523d249d4cSJiri Pirko case NETDEV_CHANGE: 29533d249d4cSJiri Pirko if (netif_running(port->dev)) 29543d249d4cSJiri Pirko team_port_change_check(port, 2955f1d22a1eSGeorge Wilkie !!netif_oper_up(port->dev)); 29563d249d4cSJiri Pirko break; 29573d249d4cSJiri Pirko case NETDEV_UNREGISTER: 29583d249d4cSJiri Pirko team_del_slave(port->team->dev, dev); 29593d249d4cSJiri Pirko break; 29603d249d4cSJiri Pirko case NETDEV_FEAT_CHANGE: 29613d249d4cSJiri Pirko team_compute_features(port->team); 29623d249d4cSJiri Pirko break; 2963b01f236cSVeaceslav Falico case NETDEV_PRECHANGEMTU: 29643d249d4cSJiri Pirko /* Forbid to change mtu of underlaying device */ 29659d0d68faSJiri Pirko if (!port->team->port_mtu_change_allowed) 29663d249d4cSJiri Pirko return NOTIFY_BAD; 29679d0d68faSJiri Pirko break; 29683d249d4cSJiri Pirko case NETDEV_PRE_TYPE_CHANGE: 29693d249d4cSJiri Pirko /* Forbid to change type of underlaying device */ 29703d249d4cSJiri Pirko return NOTIFY_BAD; 29714aa5dee4SJiri Pirko case NETDEV_RESEND_IGMP: 29724aa5dee4SJiri Pirko /* Propagate to master device */ 29734aa5dee4SJiri Pirko call_netdevice_notifiers(event, port->team->dev); 29744aa5dee4SJiri Pirko break; 29753d249d4cSJiri Pirko } 29763d249d4cSJiri Pirko return NOTIFY_DONE; 29773d249d4cSJiri Pirko } 29783d249d4cSJiri Pirko 29793d249d4cSJiri Pirko static struct notifier_block team_notifier_block __read_mostly = { 29803d249d4cSJiri Pirko .notifier_call = team_device_event, 29813d249d4cSJiri Pirko }; 29823d249d4cSJiri Pirko 29833d249d4cSJiri Pirko 29843d249d4cSJiri Pirko /*********************** 29853d249d4cSJiri Pirko * Module init and exit 29863d249d4cSJiri Pirko ***********************/ 29873d249d4cSJiri Pirko 29883d249d4cSJiri Pirko static int __init team_module_init(void) 29893d249d4cSJiri Pirko { 29903d249d4cSJiri Pirko int err; 29913d249d4cSJiri Pirko 29923d249d4cSJiri Pirko register_netdevice_notifier(&team_notifier_block); 29933d249d4cSJiri Pirko 29943d249d4cSJiri Pirko err = rtnl_link_register(&team_link_ops); 29953d249d4cSJiri Pirko if (err) 29963d249d4cSJiri Pirko goto err_rtnl_reg; 29973d249d4cSJiri Pirko 29983d249d4cSJiri Pirko err = team_nl_init(); 29993d249d4cSJiri Pirko if (err) 30003d249d4cSJiri Pirko goto err_nl_init; 30013d249d4cSJiri Pirko 30023d249d4cSJiri Pirko return 0; 30033d249d4cSJiri Pirko 30043d249d4cSJiri Pirko err_nl_init: 30053d249d4cSJiri Pirko rtnl_link_unregister(&team_link_ops); 30063d249d4cSJiri Pirko 30073d249d4cSJiri Pirko err_rtnl_reg: 30083d249d4cSJiri Pirko unregister_netdevice_notifier(&team_notifier_block); 30093d249d4cSJiri Pirko 30103d249d4cSJiri Pirko return err; 30113d249d4cSJiri Pirko } 30123d249d4cSJiri Pirko 30133d249d4cSJiri Pirko static void __exit team_module_exit(void) 30143d249d4cSJiri Pirko { 30153d249d4cSJiri Pirko team_nl_fini(); 30163d249d4cSJiri Pirko rtnl_link_unregister(&team_link_ops); 30173d249d4cSJiri Pirko unregister_netdevice_notifier(&team_notifier_block); 30183d249d4cSJiri Pirko } 30193d249d4cSJiri Pirko 30203d249d4cSJiri Pirko module_init(team_module_init); 30213d249d4cSJiri Pirko module_exit(team_module_exit); 30223d249d4cSJiri Pirko 30233d249d4cSJiri Pirko MODULE_LICENSE("GPL v2"); 30243d249d4cSJiri Pirko MODULE_AUTHOR("Jiri Pirko <jpirko@redhat.com>"); 30253d249d4cSJiri Pirko MODULE_DESCRIPTION("Ethernet team device driver"); 30263d249d4cSJiri Pirko MODULE_ALIAS_RTNL_LINK(DRV_NAME); 3027