13d249d4cSJiri Pirko /* 20d572e45SJiri Pirko * drivers/net/team/team.c - Network team device driver 33d249d4cSJiri Pirko * Copyright (c) 2011 Jiri Pirko <jpirko@redhat.com> 43d249d4cSJiri Pirko * 53d249d4cSJiri Pirko * This program is free software; you can redistribute it and/or modify 63d249d4cSJiri Pirko * it under the terms of the GNU General Public License as published by 73d249d4cSJiri Pirko * the Free Software Foundation; either version 2 of the License, or 83d249d4cSJiri Pirko * (at your option) any later version. 93d249d4cSJiri Pirko */ 103d249d4cSJiri Pirko 113d249d4cSJiri Pirko #include <linux/kernel.h> 123d249d4cSJiri Pirko #include <linux/types.h> 133d249d4cSJiri Pirko #include <linux/module.h> 143d249d4cSJiri Pirko #include <linux/init.h> 153d249d4cSJiri Pirko #include <linux/slab.h> 163d249d4cSJiri Pirko #include <linux/rcupdate.h> 173d249d4cSJiri Pirko #include <linux/errno.h> 183d249d4cSJiri Pirko #include <linux/ctype.h> 193d249d4cSJiri Pirko #include <linux/notifier.h> 203d249d4cSJiri Pirko #include <linux/netdevice.h> 21bd2d0837SJiri Pirko #include <linux/netpoll.h> 2287002b03SJiri Pirko #include <linux/if_vlan.h> 233d249d4cSJiri Pirko #include <linux/if_arp.h> 243d249d4cSJiri Pirko #include <linux/socket.h> 253d249d4cSJiri Pirko #include <linux/etherdevice.h> 263d249d4cSJiri Pirko #include <linux/rtnetlink.h> 273d249d4cSJiri Pirko #include <net/rtnetlink.h> 283d249d4cSJiri Pirko #include <net/genetlink.h> 293d249d4cSJiri Pirko #include <net/netlink.h> 306c85f2bdSJiri Pirko #include <net/sch_generic.h> 31a16a8ee7SRoopa Prabhu #include <net/switchdev.h> 327f51c587SFlavio Leitner #include <generated/utsrelease.h> 333d249d4cSJiri Pirko #include <linux/if_team.h> 343d249d4cSJiri Pirko 353d249d4cSJiri Pirko #define DRV_NAME "team" 363d249d4cSJiri Pirko 373d249d4cSJiri Pirko 383d249d4cSJiri Pirko /********** 393d249d4cSJiri Pirko * Helpers 403d249d4cSJiri Pirko **********/ 413d249d4cSJiri Pirko 423d249d4cSJiri Pirko #define team_port_exists(dev) (dev->priv_flags & IFF_TEAM_PORT) 433d249d4cSJiri Pirko 443d249d4cSJiri Pirko static struct team_port *team_port_get_rcu(const struct net_device *dev) 453d249d4cSJiri Pirko { 4657e59563SJiri Pirko return rcu_dereference(dev->rx_handler_data); 473d249d4cSJiri Pirko } 483d249d4cSJiri Pirko 493d249d4cSJiri Pirko static struct team_port *team_port_get_rtnl(const struct net_device *dev) 503d249d4cSJiri Pirko { 513d249d4cSJiri Pirko struct team_port *port = rtnl_dereference(dev->rx_handler_data); 523d249d4cSJiri Pirko 533d249d4cSJiri Pirko return team_port_exists(dev) ? port : NULL; 543d249d4cSJiri Pirko } 553d249d4cSJiri Pirko 563d249d4cSJiri Pirko /* 571d76efe1SJiri Pirko * Since the ability to change device address for open port device is tested in 583d249d4cSJiri Pirko * team_port_add, this function can be called without control of return value 593d249d4cSJiri Pirko */ 601d76efe1SJiri Pirko static int __set_port_dev_addr(struct net_device *port_dev, 613d249d4cSJiri Pirko const unsigned char *dev_addr) 623d249d4cSJiri Pirko { 633d249d4cSJiri Pirko struct sockaddr addr; 643d249d4cSJiri Pirko 651d76efe1SJiri Pirko memcpy(addr.sa_data, dev_addr, port_dev->addr_len); 661d76efe1SJiri Pirko addr.sa_family = port_dev->type; 673d249d4cSJiri Pirko return dev_set_mac_address(port_dev, &addr); 683d249d4cSJiri Pirko } 693d249d4cSJiri Pirko 701d76efe1SJiri Pirko static int team_port_set_orig_dev_addr(struct team_port *port) 713d249d4cSJiri Pirko { 721d76efe1SJiri Pirko return __set_port_dev_addr(port->dev, port->orig.dev_addr); 733d249d4cSJiri Pirko } 743d249d4cSJiri Pirko 75acbba0d0SJiri Pirko static int team_port_set_team_dev_addr(struct team *team, 76acbba0d0SJiri Pirko struct team_port *port) 773d249d4cSJiri Pirko { 78acbba0d0SJiri Pirko return __set_port_dev_addr(port->dev, team->dev->dev_addr); 793d249d4cSJiri Pirko } 80acbba0d0SJiri Pirko 81acbba0d0SJiri Pirko int team_modeop_port_enter(struct team *team, struct team_port *port) 82acbba0d0SJiri Pirko { 83acbba0d0SJiri Pirko return team_port_set_team_dev_addr(team, port); 84acbba0d0SJiri Pirko } 85acbba0d0SJiri Pirko EXPORT_SYMBOL(team_modeop_port_enter); 86acbba0d0SJiri Pirko 87acbba0d0SJiri Pirko void team_modeop_port_change_dev_addr(struct team *team, 88acbba0d0SJiri Pirko struct team_port *port) 89acbba0d0SJiri Pirko { 90acbba0d0SJiri Pirko team_port_set_team_dev_addr(team, port); 91acbba0d0SJiri Pirko } 92acbba0d0SJiri Pirko EXPORT_SYMBOL(team_modeop_port_change_dev_addr); 933d249d4cSJiri Pirko 9471472ec1SJiri Pirko static void team_refresh_port_linkup(struct team_port *port) 9571472ec1SJiri Pirko { 9671472ec1SJiri Pirko port->linkup = port->user.linkup_enabled ? port->user.linkup : 9771472ec1SJiri Pirko port->state.linkup; 9871472ec1SJiri Pirko } 993d249d4cSJiri Pirko 1000f1aad2bSJiri Pirko 1013d249d4cSJiri Pirko /******************* 1023d249d4cSJiri Pirko * Options handling 1033d249d4cSJiri Pirko *******************/ 1043d249d4cSJiri Pirko 10580f7c668SJiri Pirko struct team_option_inst { /* One for each option instance */ 10680f7c668SJiri Pirko struct list_head list; 10701048d9aSJiri Pirko struct list_head tmp_list; 10880f7c668SJiri Pirko struct team_option *option; 10985d59a87SJiri Pirko struct team_option_inst_info info; 11080f7c668SJiri Pirko bool changed; 11180f7c668SJiri Pirko bool removed; 11280f7c668SJiri Pirko }; 11380f7c668SJiri Pirko 11480f7c668SJiri Pirko static struct team_option *__team_find_option(struct team *team, 11580f7c668SJiri Pirko const char *opt_name) 116358b8382SJiri Pirko { 117358b8382SJiri Pirko struct team_option *option; 118358b8382SJiri Pirko 119358b8382SJiri Pirko list_for_each_entry(option, &team->option_list, list) { 120358b8382SJiri Pirko if (strcmp(option->name, opt_name) == 0) 121358b8382SJiri Pirko return option; 122358b8382SJiri Pirko } 123358b8382SJiri Pirko return NULL; 124358b8382SJiri Pirko } 125358b8382SJiri Pirko 12680f7c668SJiri Pirko static void __team_option_inst_del(struct team_option_inst *opt_inst) 12780f7c668SJiri Pirko { 12880f7c668SJiri Pirko list_del(&opt_inst->list); 12980f7c668SJiri Pirko kfree(opt_inst); 13080f7c668SJiri Pirko } 13180f7c668SJiri Pirko 13280f7c668SJiri Pirko static void __team_option_inst_del_option(struct team *team, 13380f7c668SJiri Pirko struct team_option *option) 13480f7c668SJiri Pirko { 13580f7c668SJiri Pirko struct team_option_inst *opt_inst, *tmp; 13680f7c668SJiri Pirko 13780f7c668SJiri Pirko list_for_each_entry_safe(opt_inst, tmp, &team->option_inst_list, list) { 13880f7c668SJiri Pirko if (opt_inst->option == option) 13980f7c668SJiri Pirko __team_option_inst_del(opt_inst); 14080f7c668SJiri Pirko } 14180f7c668SJiri Pirko } 14280f7c668SJiri Pirko 143b1303326SJiri Pirko static int __team_option_inst_add(struct team *team, struct team_option *option, 144b1303326SJiri Pirko struct team_port *port) 145b1303326SJiri Pirko { 146b1303326SJiri Pirko struct team_option_inst *opt_inst; 147b1303326SJiri Pirko unsigned int array_size; 148b1303326SJiri Pirko unsigned int i; 14985d59a87SJiri Pirko int err; 150b1303326SJiri Pirko 151b1303326SJiri Pirko array_size = option->array_size; 152b1303326SJiri Pirko if (!array_size) 153b1303326SJiri Pirko array_size = 1; /* No array but still need one instance */ 154b1303326SJiri Pirko 155b1303326SJiri Pirko for (i = 0; i < array_size; i++) { 156b1303326SJiri Pirko opt_inst = kmalloc(sizeof(*opt_inst), GFP_KERNEL); 157b1303326SJiri Pirko if (!opt_inst) 158b1303326SJiri Pirko return -ENOMEM; 159b1303326SJiri Pirko opt_inst->option = option; 16085d59a87SJiri Pirko opt_inst->info.port = port; 16185d59a87SJiri Pirko opt_inst->info.array_index = i; 162b1303326SJiri Pirko opt_inst->changed = true; 163b1303326SJiri Pirko opt_inst->removed = false; 164b1303326SJiri Pirko list_add_tail(&opt_inst->list, &team->option_inst_list); 16585d59a87SJiri Pirko if (option->init) { 16685d59a87SJiri Pirko err = option->init(team, &opt_inst->info); 16785d59a87SJiri Pirko if (err) 16885d59a87SJiri Pirko return err; 16985d59a87SJiri Pirko } 17085d59a87SJiri Pirko 171b1303326SJiri Pirko } 172b1303326SJiri Pirko return 0; 173b1303326SJiri Pirko } 174b1303326SJiri Pirko 17580f7c668SJiri Pirko static int __team_option_inst_add_option(struct team *team, 17680f7c668SJiri Pirko struct team_option *option) 17780f7c668SJiri Pirko { 17880f7c668SJiri Pirko int err; 17980f7c668SJiri Pirko 180b1303326SJiri Pirko if (!option->per_port) { 181f88725ffSJiri Pirko err = __team_option_inst_add(team, option, NULL); 182b1303326SJiri Pirko if (err) 183b1303326SJiri Pirko goto inst_del_option; 184b1303326SJiri Pirko } 18580f7c668SJiri Pirko return 0; 18680f7c668SJiri Pirko 18780f7c668SJiri Pirko inst_del_option: 18880f7c668SJiri Pirko __team_option_inst_del_option(team, option); 18980f7c668SJiri Pirko return err; 19080f7c668SJiri Pirko } 19180f7c668SJiri Pirko 19280f7c668SJiri Pirko static void __team_option_inst_mark_removed_option(struct team *team, 19380f7c668SJiri Pirko struct team_option *option) 19480f7c668SJiri Pirko { 19580f7c668SJiri Pirko struct team_option_inst *opt_inst; 19680f7c668SJiri Pirko 19780f7c668SJiri Pirko list_for_each_entry(opt_inst, &team->option_inst_list, list) { 19880f7c668SJiri Pirko if (opt_inst->option == option) { 19980f7c668SJiri Pirko opt_inst->changed = true; 20080f7c668SJiri Pirko opt_inst->removed = true; 20180f7c668SJiri Pirko } 20280f7c668SJiri Pirko } 20380f7c668SJiri Pirko } 20480f7c668SJiri Pirko 20580f7c668SJiri Pirko static void __team_option_inst_del_port(struct team *team, 20680f7c668SJiri Pirko struct team_port *port) 20780f7c668SJiri Pirko { 20880f7c668SJiri Pirko struct team_option_inst *opt_inst, *tmp; 20980f7c668SJiri Pirko 21080f7c668SJiri Pirko list_for_each_entry_safe(opt_inst, tmp, &team->option_inst_list, list) { 21180f7c668SJiri Pirko if (opt_inst->option->per_port && 21285d59a87SJiri Pirko opt_inst->info.port == port) 21380f7c668SJiri Pirko __team_option_inst_del(opt_inst); 21480f7c668SJiri Pirko } 21580f7c668SJiri Pirko } 21680f7c668SJiri Pirko 21780f7c668SJiri Pirko static int __team_option_inst_add_port(struct team *team, 21880f7c668SJiri Pirko struct team_port *port) 21980f7c668SJiri Pirko { 22080f7c668SJiri Pirko struct team_option *option; 22180f7c668SJiri Pirko int err; 22280f7c668SJiri Pirko 22380f7c668SJiri Pirko list_for_each_entry(option, &team->option_list, list) { 22480f7c668SJiri Pirko if (!option->per_port) 22580f7c668SJiri Pirko continue; 22680f7c668SJiri Pirko err = __team_option_inst_add(team, option, port); 22780f7c668SJiri Pirko if (err) 22880f7c668SJiri Pirko goto inst_del_port; 22980f7c668SJiri Pirko } 23080f7c668SJiri Pirko return 0; 23180f7c668SJiri Pirko 23280f7c668SJiri Pirko inst_del_port: 23380f7c668SJiri Pirko __team_option_inst_del_port(team, port); 23480f7c668SJiri Pirko return err; 23580f7c668SJiri Pirko } 23680f7c668SJiri Pirko 23780f7c668SJiri Pirko static void __team_option_inst_mark_removed_port(struct team *team, 23880f7c668SJiri Pirko struct team_port *port) 23980f7c668SJiri Pirko { 24080f7c668SJiri Pirko struct team_option_inst *opt_inst; 24180f7c668SJiri Pirko 24280f7c668SJiri Pirko list_for_each_entry(opt_inst, &team->option_inst_list, list) { 24385d59a87SJiri Pirko if (opt_inst->info.port == port) { 24480f7c668SJiri Pirko opt_inst->changed = true; 24580f7c668SJiri Pirko opt_inst->removed = true; 24680f7c668SJiri Pirko } 24780f7c668SJiri Pirko } 24880f7c668SJiri Pirko } 24980f7c668SJiri Pirko 25080f7c668SJiri Pirko static int __team_options_register(struct team *team, 251358b8382SJiri Pirko const struct team_option *option, 2523d249d4cSJiri Pirko size_t option_count) 2533d249d4cSJiri Pirko { 2543d249d4cSJiri Pirko int i; 2552bba19ffSJiri Pirko struct team_option **dst_opts; 256358b8382SJiri Pirko int err; 2573d249d4cSJiri Pirko 2582bba19ffSJiri Pirko dst_opts = kzalloc(sizeof(struct team_option *) * option_count, 2592bba19ffSJiri Pirko GFP_KERNEL); 2602bba19ffSJiri Pirko if (!dst_opts) 2612bba19ffSJiri Pirko return -ENOMEM; 262358b8382SJiri Pirko for (i = 0; i < option_count; i++, option++) { 263358b8382SJiri Pirko if (__team_find_option(team, option->name)) { 264358b8382SJiri Pirko err = -EEXIST; 26580f7c668SJiri Pirko goto alloc_rollback; 2663d249d4cSJiri Pirko } 267f8a15af0SJiri Pirko dst_opts[i] = kmemdup(option, sizeof(*option), GFP_KERNEL); 268f8a15af0SJiri Pirko if (!dst_opts[i]) { 269358b8382SJiri Pirko err = -ENOMEM; 27080f7c668SJiri Pirko goto alloc_rollback; 271358b8382SJiri Pirko } 272358b8382SJiri Pirko } 273358b8382SJiri Pirko 274b82b9183SJiri Pirko for (i = 0; i < option_count; i++) { 27580f7c668SJiri Pirko err = __team_option_inst_add_option(team, dst_opts[i]); 27680f7c668SJiri Pirko if (err) 27780f7c668SJiri Pirko goto inst_rollback; 278358b8382SJiri Pirko list_add_tail(&dst_opts[i]->list, &team->option_list); 279b82b9183SJiri Pirko } 280358b8382SJiri Pirko 2812bba19ffSJiri Pirko kfree(dst_opts); 282358b8382SJiri Pirko return 0; 283358b8382SJiri Pirko 28480f7c668SJiri Pirko inst_rollback: 28580f7c668SJiri Pirko for (i--; i >= 0; i--) 28680f7c668SJiri Pirko __team_option_inst_del_option(team, dst_opts[i]); 28780f7c668SJiri Pirko 28880f7c668SJiri Pirko i = option_count - 1; 28980f7c668SJiri Pirko alloc_rollback: 29080f7c668SJiri Pirko for (i--; i >= 0; i--) 291358b8382SJiri Pirko kfree(dst_opts[i]); 292358b8382SJiri Pirko 2932bba19ffSJiri Pirko kfree(dst_opts); 294358b8382SJiri Pirko return err; 295358b8382SJiri Pirko } 296358b8382SJiri Pirko 297b82b9183SJiri Pirko static void __team_options_mark_removed(struct team *team, 298b82b9183SJiri Pirko const struct team_option *option, 299b82b9183SJiri Pirko size_t option_count) 300b82b9183SJiri Pirko { 301b82b9183SJiri Pirko int i; 3023d249d4cSJiri Pirko 303b82b9183SJiri Pirko for (i = 0; i < option_count; i++, option++) { 304b82b9183SJiri Pirko struct team_option *del_opt; 305b82b9183SJiri Pirko 306b82b9183SJiri Pirko del_opt = __team_find_option(team, option->name); 30780f7c668SJiri Pirko if (del_opt) 30880f7c668SJiri Pirko __team_option_inst_mark_removed_option(team, del_opt); 309b82b9183SJiri Pirko } 310b82b9183SJiri Pirko } 3113d249d4cSJiri Pirko 3123d249d4cSJiri Pirko static void __team_options_unregister(struct team *team, 313358b8382SJiri Pirko const struct team_option *option, 3143d249d4cSJiri Pirko size_t option_count) 3153d249d4cSJiri Pirko { 3163d249d4cSJiri Pirko int i; 3173d249d4cSJiri Pirko 318358b8382SJiri Pirko for (i = 0; i < option_count; i++, option++) { 319358b8382SJiri Pirko struct team_option *del_opt; 320358b8382SJiri Pirko 321358b8382SJiri Pirko del_opt = __team_find_option(team, option->name); 322358b8382SJiri Pirko if (del_opt) { 32380f7c668SJiri Pirko __team_option_inst_del_option(team, del_opt); 324358b8382SJiri Pirko list_del(&del_opt->list); 325358b8382SJiri Pirko kfree(del_opt); 326358b8382SJiri Pirko } 327358b8382SJiri Pirko } 3283d249d4cSJiri Pirko } 3293d249d4cSJiri Pirko 330b82b9183SJiri Pirko static void __team_options_change_check(struct team *team); 331b82b9183SJiri Pirko 332b82b9183SJiri Pirko int team_options_register(struct team *team, 333b82b9183SJiri Pirko const struct team_option *option, 334b82b9183SJiri Pirko size_t option_count) 335b82b9183SJiri Pirko { 336b82b9183SJiri Pirko int err; 337b82b9183SJiri Pirko 338b82b9183SJiri Pirko err = __team_options_register(team, option, option_count); 339b82b9183SJiri Pirko if (err) 340b82b9183SJiri Pirko return err; 341b82b9183SJiri Pirko __team_options_change_check(team); 342b82b9183SJiri Pirko return 0; 343b82b9183SJiri Pirko } 344b82b9183SJiri Pirko EXPORT_SYMBOL(team_options_register); 345b82b9183SJiri Pirko 346358b8382SJiri Pirko void team_options_unregister(struct team *team, 347358b8382SJiri Pirko const struct team_option *option, 3483d249d4cSJiri Pirko size_t option_count) 3493d249d4cSJiri Pirko { 350b82b9183SJiri Pirko __team_options_mark_removed(team, option, option_count); 351b82b9183SJiri Pirko __team_options_change_check(team); 3523d249d4cSJiri Pirko __team_options_unregister(team, option, option_count); 3533d249d4cSJiri Pirko } 3543d249d4cSJiri Pirko EXPORT_SYMBOL(team_options_unregister); 3553d249d4cSJiri Pirko 35680f7c668SJiri Pirko static int team_option_get(struct team *team, 35780f7c668SJiri Pirko struct team_option_inst *opt_inst, 35880f7c668SJiri Pirko struct team_gsetter_ctx *ctx) 35980f7c668SJiri Pirko { 360f82b959dSJiri Pirko if (!opt_inst->option->getter) 361f82b959dSJiri Pirko return -EOPNOTSUPP; 36280f7c668SJiri Pirko return opt_inst->option->getter(team, ctx); 36380f7c668SJiri Pirko } 36480f7c668SJiri Pirko 36580f7c668SJiri Pirko static int team_option_set(struct team *team, 36680f7c668SJiri Pirko struct team_option_inst *opt_inst, 36780f7c668SJiri Pirko struct team_gsetter_ctx *ctx) 36880f7c668SJiri Pirko { 369f82b959dSJiri Pirko if (!opt_inst->option->setter) 370f82b959dSJiri Pirko return -EOPNOTSUPP; 3712fcdb2c9SJiri Pirko return opt_inst->option->setter(team, ctx); 3723d249d4cSJiri Pirko } 3733d249d4cSJiri Pirko 3740f1aad2bSJiri Pirko void team_option_inst_set_change(struct team_option_inst_info *opt_inst_info) 3750f1aad2bSJiri Pirko { 3760f1aad2bSJiri Pirko struct team_option_inst *opt_inst; 3770f1aad2bSJiri Pirko 3780f1aad2bSJiri Pirko opt_inst = container_of(opt_inst_info, struct team_option_inst, info); 3790f1aad2bSJiri Pirko opt_inst->changed = true; 3800f1aad2bSJiri Pirko } 3810f1aad2bSJiri Pirko EXPORT_SYMBOL(team_option_inst_set_change); 3820f1aad2bSJiri Pirko 3830f1aad2bSJiri Pirko void team_options_change_check(struct team *team) 3840f1aad2bSJiri Pirko { 3850f1aad2bSJiri Pirko __team_options_change_check(team); 3860f1aad2bSJiri Pirko } 3870f1aad2bSJiri Pirko EXPORT_SYMBOL(team_options_change_check); 3880f1aad2bSJiri Pirko 3890f1aad2bSJiri Pirko 3903d249d4cSJiri Pirko /**************** 3913d249d4cSJiri Pirko * Mode handling 3923d249d4cSJiri Pirko ****************/ 3933d249d4cSJiri Pirko 3943d249d4cSJiri Pirko static LIST_HEAD(mode_list); 3953d249d4cSJiri Pirko static DEFINE_SPINLOCK(mode_list_lock); 3963d249d4cSJiri Pirko 3970402788aSJiri Pirko struct team_mode_item { 3980402788aSJiri Pirko struct list_head list; 3990402788aSJiri Pirko const struct team_mode *mode; 4000402788aSJiri Pirko }; 4013d249d4cSJiri Pirko 4020402788aSJiri Pirko static struct team_mode_item *__find_mode(const char *kind) 4030402788aSJiri Pirko { 4040402788aSJiri Pirko struct team_mode_item *mitem; 4050402788aSJiri Pirko 4060402788aSJiri Pirko list_for_each_entry(mitem, &mode_list, list) { 4070402788aSJiri Pirko if (strcmp(mitem->mode->kind, kind) == 0) 4080402788aSJiri Pirko return mitem; 4093d249d4cSJiri Pirko } 4103d249d4cSJiri Pirko return NULL; 4113d249d4cSJiri Pirko } 4123d249d4cSJiri Pirko 4133d249d4cSJiri Pirko static bool is_good_mode_name(const char *name) 4143d249d4cSJiri Pirko { 4153d249d4cSJiri Pirko while (*name != '\0') { 4163d249d4cSJiri Pirko if (!isalpha(*name) && !isdigit(*name) && *name != '_') 4173d249d4cSJiri Pirko return false; 4183d249d4cSJiri Pirko name++; 4193d249d4cSJiri Pirko } 4203d249d4cSJiri Pirko return true; 4213d249d4cSJiri Pirko } 4223d249d4cSJiri Pirko 4230402788aSJiri Pirko int team_mode_register(const struct team_mode *mode) 4243d249d4cSJiri Pirko { 4253d249d4cSJiri Pirko int err = 0; 4260402788aSJiri Pirko struct team_mode_item *mitem; 4273d249d4cSJiri Pirko 4283d249d4cSJiri Pirko if (!is_good_mode_name(mode->kind) || 4293d249d4cSJiri Pirko mode->priv_size > TEAM_MODE_PRIV_SIZE) 4303d249d4cSJiri Pirko return -EINVAL; 4310402788aSJiri Pirko 4320402788aSJiri Pirko mitem = kmalloc(sizeof(*mitem), GFP_KERNEL); 4330402788aSJiri Pirko if (!mitem) 4340402788aSJiri Pirko return -ENOMEM; 4350402788aSJiri Pirko 4363d249d4cSJiri Pirko spin_lock(&mode_list_lock); 4373d249d4cSJiri Pirko if (__find_mode(mode->kind)) { 4383d249d4cSJiri Pirko err = -EEXIST; 4390402788aSJiri Pirko kfree(mitem); 4403d249d4cSJiri Pirko goto unlock; 4413d249d4cSJiri Pirko } 4420402788aSJiri Pirko mitem->mode = mode; 4430402788aSJiri Pirko list_add_tail(&mitem->list, &mode_list); 4443d249d4cSJiri Pirko unlock: 4453d249d4cSJiri Pirko spin_unlock(&mode_list_lock); 4463d249d4cSJiri Pirko return err; 4473d249d4cSJiri Pirko } 4483d249d4cSJiri Pirko EXPORT_SYMBOL(team_mode_register); 4493d249d4cSJiri Pirko 4500402788aSJiri Pirko void team_mode_unregister(const struct team_mode *mode) 4513d249d4cSJiri Pirko { 4520402788aSJiri Pirko struct team_mode_item *mitem; 4530402788aSJiri Pirko 4543d249d4cSJiri Pirko spin_lock(&mode_list_lock); 4550402788aSJiri Pirko mitem = __find_mode(mode->kind); 4560402788aSJiri Pirko if (mitem) { 4570402788aSJiri Pirko list_del_init(&mitem->list); 4580402788aSJiri Pirko kfree(mitem); 4590402788aSJiri Pirko } 4603d249d4cSJiri Pirko spin_unlock(&mode_list_lock); 4613d249d4cSJiri Pirko } 4623d249d4cSJiri Pirko EXPORT_SYMBOL(team_mode_unregister); 4633d249d4cSJiri Pirko 4640402788aSJiri Pirko static const struct team_mode *team_mode_get(const char *kind) 4653d249d4cSJiri Pirko { 4660402788aSJiri Pirko struct team_mode_item *mitem; 4670402788aSJiri Pirko const struct team_mode *mode = NULL; 4683d249d4cSJiri Pirko 4693d249d4cSJiri Pirko spin_lock(&mode_list_lock); 4700402788aSJiri Pirko mitem = __find_mode(kind); 4710402788aSJiri Pirko if (!mitem) { 4723d249d4cSJiri Pirko spin_unlock(&mode_list_lock); 4733d249d4cSJiri Pirko request_module("team-mode-%s", kind); 4743d249d4cSJiri Pirko spin_lock(&mode_list_lock); 4750402788aSJiri Pirko mitem = __find_mode(kind); 4763d249d4cSJiri Pirko } 4770402788aSJiri Pirko if (mitem) { 4780402788aSJiri Pirko mode = mitem->mode; 4793d249d4cSJiri Pirko if (!try_module_get(mode->owner)) 4803d249d4cSJiri Pirko mode = NULL; 4810402788aSJiri Pirko } 4823d249d4cSJiri Pirko 4833d249d4cSJiri Pirko spin_unlock(&mode_list_lock); 4843d249d4cSJiri Pirko return mode; 4853d249d4cSJiri Pirko } 4863d249d4cSJiri Pirko 4873d249d4cSJiri Pirko static void team_mode_put(const struct team_mode *mode) 4883d249d4cSJiri Pirko { 4893d249d4cSJiri Pirko module_put(mode->owner); 4903d249d4cSJiri Pirko } 4913d249d4cSJiri Pirko 4923d249d4cSJiri Pirko static bool team_dummy_transmit(struct team *team, struct sk_buff *skb) 4933d249d4cSJiri Pirko { 4943d249d4cSJiri Pirko dev_kfree_skb_any(skb); 4953d249d4cSJiri Pirko return false; 4963d249d4cSJiri Pirko } 4973d249d4cSJiri Pirko 4982ea46599Sstephen hemminger static rx_handler_result_t team_dummy_receive(struct team *team, 4993d249d4cSJiri Pirko struct team_port *port, 5003d249d4cSJiri Pirko struct sk_buff *skb) 5013d249d4cSJiri Pirko { 5023d249d4cSJiri Pirko return RX_HANDLER_ANOTHER; 5033d249d4cSJiri Pirko } 5043d249d4cSJiri Pirko 505d299cd51SJiri Pirko static const struct team_mode __team_no_mode = { 506d299cd51SJiri Pirko .kind = "*NOMODE*", 507d299cd51SJiri Pirko }; 508d299cd51SJiri Pirko 509d299cd51SJiri Pirko static bool team_is_mode_set(struct team *team) 510d299cd51SJiri Pirko { 511d299cd51SJiri Pirko return team->mode != &__team_no_mode; 512d299cd51SJiri Pirko } 513d299cd51SJiri Pirko 514d299cd51SJiri Pirko static void team_set_no_mode(struct team *team) 515d299cd51SJiri Pirko { 516e185483eSFlavio Leitner team->user_carrier_enabled = false; 517d299cd51SJiri Pirko team->mode = &__team_no_mode; 518d299cd51SJiri Pirko } 519d299cd51SJiri Pirko 520735d381fSJiri Pirko static void team_adjust_ops(struct team *team) 5213d249d4cSJiri Pirko { 5223d249d4cSJiri Pirko /* 5233d249d4cSJiri Pirko * To avoid checks in rx/tx skb paths, ensure here that non-null and 5243d249d4cSJiri Pirko * correct ops are always set. 5253d249d4cSJiri Pirko */ 5263d249d4cSJiri Pirko 527735d381fSJiri Pirko if (!team->en_port_count || !team_is_mode_set(team) || 528122bb046SJiri Pirko !team->mode->ops->transmit) 5293d249d4cSJiri Pirko team->ops.transmit = team_dummy_transmit; 5303d249d4cSJiri Pirko else 5313d249d4cSJiri Pirko team->ops.transmit = team->mode->ops->transmit; 5323d249d4cSJiri Pirko 533735d381fSJiri Pirko if (!team->en_port_count || !team_is_mode_set(team) || 534122bb046SJiri Pirko !team->mode->ops->receive) 5353d249d4cSJiri Pirko team->ops.receive = team_dummy_receive; 5363d249d4cSJiri Pirko else 5373d249d4cSJiri Pirko team->ops.receive = team->mode->ops->receive; 5383d249d4cSJiri Pirko } 5393d249d4cSJiri Pirko 5403d249d4cSJiri Pirko /* 5413d249d4cSJiri Pirko * We can benefit from the fact that it's ensured no port is present 5423d249d4cSJiri Pirko * at the time of mode change. Therefore no packets are in fly so there's no 5433d249d4cSJiri Pirko * need to set mode operations in any special way. 5443d249d4cSJiri Pirko */ 5453d249d4cSJiri Pirko static int __team_change_mode(struct team *team, 5463d249d4cSJiri Pirko const struct team_mode *new_mode) 5473d249d4cSJiri Pirko { 5483d249d4cSJiri Pirko /* Check if mode was previously set and do cleanup if so */ 549d299cd51SJiri Pirko if (team_is_mode_set(team)) { 5503d249d4cSJiri Pirko void (*exit_op)(struct team *team) = team->ops.exit; 5513d249d4cSJiri Pirko 5523d249d4cSJiri Pirko /* Clear ops area so no callback is called any longer */ 5533d249d4cSJiri Pirko memset(&team->ops, 0, sizeof(struct team_mode_ops)); 5543d249d4cSJiri Pirko team_adjust_ops(team); 5553d249d4cSJiri Pirko 5563d249d4cSJiri Pirko if (exit_op) 5573d249d4cSJiri Pirko exit_op(team); 5583d249d4cSJiri Pirko team_mode_put(team->mode); 559d299cd51SJiri Pirko team_set_no_mode(team); 5603d249d4cSJiri Pirko /* zero private data area */ 5613d249d4cSJiri Pirko memset(&team->mode_priv, 0, 5623d249d4cSJiri Pirko sizeof(struct team) - offsetof(struct team, mode_priv)); 5633d249d4cSJiri Pirko } 5643d249d4cSJiri Pirko 5653d249d4cSJiri Pirko if (!new_mode) 5663d249d4cSJiri Pirko return 0; 5673d249d4cSJiri Pirko 5683d249d4cSJiri Pirko if (new_mode->ops->init) { 5693d249d4cSJiri Pirko int err; 5703d249d4cSJiri Pirko 5713d249d4cSJiri Pirko err = new_mode->ops->init(team); 5723d249d4cSJiri Pirko if (err) 5733d249d4cSJiri Pirko return err; 5743d249d4cSJiri Pirko } 5753d249d4cSJiri Pirko 5763d249d4cSJiri Pirko team->mode = new_mode; 5773d249d4cSJiri Pirko memcpy(&team->ops, new_mode->ops, sizeof(struct team_mode_ops)); 5783d249d4cSJiri Pirko team_adjust_ops(team); 5793d249d4cSJiri Pirko 5803d249d4cSJiri Pirko return 0; 5813d249d4cSJiri Pirko } 5823d249d4cSJiri Pirko 5833d249d4cSJiri Pirko static int team_change_mode(struct team *team, const char *kind) 5843d249d4cSJiri Pirko { 5850402788aSJiri Pirko const struct team_mode *new_mode; 5863d249d4cSJiri Pirko struct net_device *dev = team->dev; 5873d249d4cSJiri Pirko int err; 5883d249d4cSJiri Pirko 5893d249d4cSJiri Pirko if (!list_empty(&team->port_list)) { 5903d249d4cSJiri Pirko netdev_err(dev, "No ports can be present during mode change\n"); 5913d249d4cSJiri Pirko return -EBUSY; 5923d249d4cSJiri Pirko } 5933d249d4cSJiri Pirko 594d299cd51SJiri Pirko if (team_is_mode_set(team) && strcmp(team->mode->kind, kind) == 0) { 5953d249d4cSJiri Pirko netdev_err(dev, "Unable to change to the same mode the team is in\n"); 5963d249d4cSJiri Pirko return -EINVAL; 5973d249d4cSJiri Pirko } 5983d249d4cSJiri Pirko 5993d249d4cSJiri Pirko new_mode = team_mode_get(kind); 6003d249d4cSJiri Pirko if (!new_mode) { 6013d249d4cSJiri Pirko netdev_err(dev, "Mode \"%s\" not found\n", kind); 6023d249d4cSJiri Pirko return -EINVAL; 6033d249d4cSJiri Pirko } 6043d249d4cSJiri Pirko 6053d249d4cSJiri Pirko err = __team_change_mode(team, new_mode); 6063d249d4cSJiri Pirko if (err) { 6073d249d4cSJiri Pirko netdev_err(dev, "Failed to change to mode \"%s\"\n", kind); 6083d249d4cSJiri Pirko team_mode_put(new_mode); 6093d249d4cSJiri Pirko return err; 6103d249d4cSJiri Pirko } 6113d249d4cSJiri Pirko 6123d249d4cSJiri Pirko netdev_info(dev, "Mode changed to \"%s\"\n", kind); 6133d249d4cSJiri Pirko return 0; 6143d249d4cSJiri Pirko } 6153d249d4cSJiri Pirko 6163d249d4cSJiri Pirko 617fc423ff0SJiri Pirko /********************* 618fc423ff0SJiri Pirko * Peers notification 619fc423ff0SJiri Pirko *********************/ 620fc423ff0SJiri Pirko 621fc423ff0SJiri Pirko static void team_notify_peers_work(struct work_struct *work) 622fc423ff0SJiri Pirko { 623fc423ff0SJiri Pirko struct team *team; 624b0d11b42SJiri Pirko int val; 625fc423ff0SJiri Pirko 626fc423ff0SJiri Pirko team = container_of(work, struct team, notify_peers.dw.work); 627fc423ff0SJiri Pirko 628fc423ff0SJiri Pirko if (!rtnl_trylock()) { 629fc423ff0SJiri Pirko schedule_delayed_work(&team->notify_peers.dw, 0); 630fc423ff0SJiri Pirko return; 631fc423ff0SJiri Pirko } 632b0d11b42SJiri Pirko val = atomic_dec_if_positive(&team->notify_peers.count_pending); 633b0d11b42SJiri Pirko if (val < 0) { 634b0d11b42SJiri Pirko rtnl_unlock(); 635b0d11b42SJiri Pirko return; 636b0d11b42SJiri Pirko } 637fc423ff0SJiri Pirko call_netdevice_notifiers(NETDEV_NOTIFY_PEERS, team->dev); 638fc423ff0SJiri Pirko rtnl_unlock(); 639b0d11b42SJiri Pirko if (val) 640fc423ff0SJiri Pirko schedule_delayed_work(&team->notify_peers.dw, 641fc423ff0SJiri Pirko msecs_to_jiffies(team->notify_peers.interval)); 642fc423ff0SJiri Pirko } 643fc423ff0SJiri Pirko 644fc423ff0SJiri Pirko static void team_notify_peers(struct team *team) 645fc423ff0SJiri Pirko { 646fc423ff0SJiri Pirko if (!team->notify_peers.count || !netif_running(team->dev)) 647fc423ff0SJiri Pirko return; 64847549650SJoe Lawrence atomic_add(team->notify_peers.count, &team->notify_peers.count_pending); 649fc423ff0SJiri Pirko schedule_delayed_work(&team->notify_peers.dw, 0); 650fc423ff0SJiri Pirko } 651fc423ff0SJiri Pirko 652fc423ff0SJiri Pirko static void team_notify_peers_init(struct team *team) 653fc423ff0SJiri Pirko { 654fc423ff0SJiri Pirko INIT_DELAYED_WORK(&team->notify_peers.dw, team_notify_peers_work); 655fc423ff0SJiri Pirko } 656fc423ff0SJiri Pirko 657fc423ff0SJiri Pirko static void team_notify_peers_fini(struct team *team) 658fc423ff0SJiri Pirko { 659fc423ff0SJiri Pirko cancel_delayed_work_sync(&team->notify_peers.dw); 660fc423ff0SJiri Pirko } 661fc423ff0SJiri Pirko 662fc423ff0SJiri Pirko 663492b200eSJiri Pirko /******************************* 664492b200eSJiri Pirko * Send multicast group rejoins 665492b200eSJiri Pirko *******************************/ 666492b200eSJiri Pirko 667492b200eSJiri Pirko static void team_mcast_rejoin_work(struct work_struct *work) 668492b200eSJiri Pirko { 669492b200eSJiri Pirko struct team *team; 670b0d11b42SJiri Pirko int val; 671492b200eSJiri Pirko 672492b200eSJiri Pirko team = container_of(work, struct team, mcast_rejoin.dw.work); 673492b200eSJiri Pirko 674492b200eSJiri Pirko if (!rtnl_trylock()) { 675492b200eSJiri Pirko schedule_delayed_work(&team->mcast_rejoin.dw, 0); 676492b200eSJiri Pirko return; 677492b200eSJiri Pirko } 678b0d11b42SJiri Pirko val = atomic_dec_if_positive(&team->mcast_rejoin.count_pending); 679b0d11b42SJiri Pirko if (val < 0) { 680b0d11b42SJiri Pirko rtnl_unlock(); 681b0d11b42SJiri Pirko return; 682b0d11b42SJiri Pirko } 683492b200eSJiri Pirko call_netdevice_notifiers(NETDEV_RESEND_IGMP, team->dev); 684492b200eSJiri Pirko rtnl_unlock(); 685b0d11b42SJiri Pirko if (val) 686492b200eSJiri Pirko schedule_delayed_work(&team->mcast_rejoin.dw, 687492b200eSJiri Pirko msecs_to_jiffies(team->mcast_rejoin.interval)); 688492b200eSJiri Pirko } 689492b200eSJiri Pirko 690492b200eSJiri Pirko static void team_mcast_rejoin(struct team *team) 691492b200eSJiri Pirko { 692492b200eSJiri Pirko if (!team->mcast_rejoin.count || !netif_running(team->dev)) 693492b200eSJiri Pirko return; 69447549650SJoe Lawrence atomic_add(team->mcast_rejoin.count, &team->mcast_rejoin.count_pending); 695492b200eSJiri Pirko schedule_delayed_work(&team->mcast_rejoin.dw, 0); 696492b200eSJiri Pirko } 697492b200eSJiri Pirko 698492b200eSJiri Pirko static void team_mcast_rejoin_init(struct team *team) 699492b200eSJiri Pirko { 700492b200eSJiri Pirko INIT_DELAYED_WORK(&team->mcast_rejoin.dw, team_mcast_rejoin_work); 701492b200eSJiri Pirko } 702492b200eSJiri Pirko 703492b200eSJiri Pirko static void team_mcast_rejoin_fini(struct team *team) 704492b200eSJiri Pirko { 705492b200eSJiri Pirko cancel_delayed_work_sync(&team->mcast_rejoin.dw); 706492b200eSJiri Pirko } 707492b200eSJiri Pirko 708492b200eSJiri Pirko 7093d249d4cSJiri Pirko /************************ 7103d249d4cSJiri Pirko * Rx path frame handler 7113d249d4cSJiri Pirko ************************/ 7123d249d4cSJiri Pirko 7133d249d4cSJiri Pirko /* note: already called with rcu_read_lock */ 7143d249d4cSJiri Pirko static rx_handler_result_t team_handle_frame(struct sk_buff **pskb) 7153d249d4cSJiri Pirko { 7163d249d4cSJiri Pirko struct sk_buff *skb = *pskb; 7173d249d4cSJiri Pirko struct team_port *port; 7183d249d4cSJiri Pirko struct team *team; 7193d249d4cSJiri Pirko rx_handler_result_t res; 7203d249d4cSJiri Pirko 7213d249d4cSJiri Pirko skb = skb_share_check(skb, GFP_ATOMIC); 7223d249d4cSJiri Pirko if (!skb) 7233d249d4cSJiri Pirko return RX_HANDLER_CONSUMED; 7243d249d4cSJiri Pirko 7253d249d4cSJiri Pirko *pskb = skb; 7263d249d4cSJiri Pirko 7273d249d4cSJiri Pirko port = team_port_get_rcu(skb->dev); 7283d249d4cSJiri Pirko team = port->team; 72919a0b58eSJiri Pirko if (!team_port_enabled(port)) { 73019a0b58eSJiri Pirko /* allow exact match delivery for disabled ports */ 73119a0b58eSJiri Pirko res = RX_HANDLER_EXACT; 73219a0b58eSJiri Pirko } else { 7333d249d4cSJiri Pirko res = team->ops.receive(team, port, skb); 73419a0b58eSJiri Pirko } 7353d249d4cSJiri Pirko if (res == RX_HANDLER_ANOTHER) { 7363d249d4cSJiri Pirko struct team_pcpu_stats *pcpu_stats; 7373d249d4cSJiri Pirko 7383d249d4cSJiri Pirko pcpu_stats = this_cpu_ptr(team->pcpu_stats); 7393d249d4cSJiri Pirko u64_stats_update_begin(&pcpu_stats->syncp); 7403d249d4cSJiri Pirko pcpu_stats->rx_packets++; 7413d249d4cSJiri Pirko pcpu_stats->rx_bytes += skb->len; 7423d249d4cSJiri Pirko if (skb->pkt_type == PACKET_MULTICAST) 7433d249d4cSJiri Pirko pcpu_stats->rx_multicast++; 7443d249d4cSJiri Pirko u64_stats_update_end(&pcpu_stats->syncp); 7453d249d4cSJiri Pirko 7463d249d4cSJiri Pirko skb->dev = team->dev; 7473d249d4cSJiri Pirko } else { 7483d249d4cSJiri Pirko this_cpu_inc(team->pcpu_stats->rx_dropped); 7493d249d4cSJiri Pirko } 7503d249d4cSJiri Pirko 7513d249d4cSJiri Pirko return res; 7523d249d4cSJiri Pirko } 7533d249d4cSJiri Pirko 7543d249d4cSJiri Pirko 7558ff5105aSJiri Pirko /************************************* 7568ff5105aSJiri Pirko * Multiqueue Tx port select override 7578ff5105aSJiri Pirko *************************************/ 7588ff5105aSJiri Pirko 7598ff5105aSJiri Pirko static int team_queue_override_init(struct team *team) 7608ff5105aSJiri Pirko { 7618ff5105aSJiri Pirko struct list_head *listarr; 7628ff5105aSJiri Pirko unsigned int queue_cnt = team->dev->num_tx_queues - 1; 7638ff5105aSJiri Pirko unsigned int i; 7648ff5105aSJiri Pirko 7658ff5105aSJiri Pirko if (!queue_cnt) 7668ff5105aSJiri Pirko return 0; 7678ff5105aSJiri Pirko listarr = kmalloc(sizeof(struct list_head) * queue_cnt, GFP_KERNEL); 7688ff5105aSJiri Pirko if (!listarr) 7698ff5105aSJiri Pirko return -ENOMEM; 7708ff5105aSJiri Pirko team->qom_lists = listarr; 7718ff5105aSJiri Pirko for (i = 0; i < queue_cnt; i++) 7728ff5105aSJiri Pirko INIT_LIST_HEAD(listarr++); 7738ff5105aSJiri Pirko return 0; 7748ff5105aSJiri Pirko } 7758ff5105aSJiri Pirko 7768ff5105aSJiri Pirko static void team_queue_override_fini(struct team *team) 7778ff5105aSJiri Pirko { 7788ff5105aSJiri Pirko kfree(team->qom_lists); 7798ff5105aSJiri Pirko } 7808ff5105aSJiri Pirko 7818ff5105aSJiri Pirko static struct list_head *__team_get_qom_list(struct team *team, u16 queue_id) 7828ff5105aSJiri Pirko { 7838ff5105aSJiri Pirko return &team->qom_lists[queue_id - 1]; 7848ff5105aSJiri Pirko } 7858ff5105aSJiri Pirko 7868ff5105aSJiri Pirko /* 7878ff5105aSJiri Pirko * note: already called with rcu_read_lock 7888ff5105aSJiri Pirko */ 7898ff5105aSJiri Pirko static bool team_queue_override_transmit(struct team *team, struct sk_buff *skb) 7908ff5105aSJiri Pirko { 7918ff5105aSJiri Pirko struct list_head *qom_list; 7928ff5105aSJiri Pirko struct team_port *port; 7938ff5105aSJiri Pirko 7948ff5105aSJiri Pirko if (!team->queue_override_enabled || !skb->queue_mapping) 7958ff5105aSJiri Pirko return false; 7968ff5105aSJiri Pirko qom_list = __team_get_qom_list(team, skb->queue_mapping); 7978ff5105aSJiri Pirko list_for_each_entry_rcu(port, qom_list, qom_list) { 7988ff5105aSJiri Pirko if (!team_dev_queue_xmit(team, port, skb)) 7998ff5105aSJiri Pirko return true; 8008ff5105aSJiri Pirko } 8018ff5105aSJiri Pirko return false; 8028ff5105aSJiri Pirko } 8038ff5105aSJiri Pirko 8048ff5105aSJiri Pirko static void __team_queue_override_port_del(struct team *team, 8058ff5105aSJiri Pirko struct team_port *port) 8068ff5105aSJiri Pirko { 8076c31ff36SJiri Pirko if (!port->queue_id) 8086c31ff36SJiri Pirko return; 8098ff5105aSJiri Pirko list_del_rcu(&port->qom_list); 8108ff5105aSJiri Pirko } 8118ff5105aSJiri Pirko 8128ff5105aSJiri Pirko static bool team_queue_override_port_has_gt_prio_than(struct team_port *port, 8138ff5105aSJiri Pirko struct team_port *cur) 8148ff5105aSJiri Pirko { 8158ff5105aSJiri Pirko if (port->priority < cur->priority) 8168ff5105aSJiri Pirko return true; 8178ff5105aSJiri Pirko if (port->priority > cur->priority) 8188ff5105aSJiri Pirko return false; 8198ff5105aSJiri Pirko if (port->index < cur->index) 8208ff5105aSJiri Pirko return true; 8218ff5105aSJiri Pirko return false; 8228ff5105aSJiri Pirko } 8238ff5105aSJiri Pirko 8248ff5105aSJiri Pirko static void __team_queue_override_port_add(struct team *team, 8258ff5105aSJiri Pirko struct team_port *port) 8268ff5105aSJiri Pirko { 8278ff5105aSJiri Pirko struct team_port *cur; 8288ff5105aSJiri Pirko struct list_head *qom_list; 8298ff5105aSJiri Pirko struct list_head *node; 8308ff5105aSJiri Pirko 8316c31ff36SJiri Pirko if (!port->queue_id) 8328ff5105aSJiri Pirko return; 8338ff5105aSJiri Pirko qom_list = __team_get_qom_list(team, port->queue_id); 8348ff5105aSJiri Pirko node = qom_list; 8358ff5105aSJiri Pirko list_for_each_entry(cur, qom_list, qom_list) { 8368ff5105aSJiri Pirko if (team_queue_override_port_has_gt_prio_than(port, cur)) 8378ff5105aSJiri Pirko break; 8388ff5105aSJiri Pirko node = &cur->qom_list; 8398ff5105aSJiri Pirko } 8408ff5105aSJiri Pirko list_add_tail_rcu(&port->qom_list, node); 8418ff5105aSJiri Pirko } 8428ff5105aSJiri Pirko 8438ff5105aSJiri Pirko static void __team_queue_override_enabled_check(struct team *team) 8448ff5105aSJiri Pirko { 8458ff5105aSJiri Pirko struct team_port *port; 8468ff5105aSJiri Pirko bool enabled = false; 8478ff5105aSJiri Pirko 8488ff5105aSJiri Pirko list_for_each_entry(port, &team->port_list, list) { 8496c31ff36SJiri Pirko if (port->queue_id) { 8508ff5105aSJiri Pirko enabled = true; 8518ff5105aSJiri Pirko break; 8528ff5105aSJiri Pirko } 8538ff5105aSJiri Pirko } 8548ff5105aSJiri Pirko if (enabled == team->queue_override_enabled) 8558ff5105aSJiri Pirko return; 8568ff5105aSJiri Pirko netdev_dbg(team->dev, "%s queue override\n", 8578ff5105aSJiri Pirko enabled ? "Enabling" : "Disabling"); 8588ff5105aSJiri Pirko team->queue_override_enabled = enabled; 8598ff5105aSJiri Pirko } 8608ff5105aSJiri Pirko 8616c31ff36SJiri Pirko static void team_queue_override_port_prio_changed(struct team *team, 8626c31ff36SJiri Pirko struct team_port *port) 8636c31ff36SJiri Pirko { 8646c31ff36SJiri Pirko if (!port->queue_id || team_port_enabled(port)) 8656c31ff36SJiri Pirko return; 8666c31ff36SJiri Pirko __team_queue_override_port_del(team, port); 8676c31ff36SJiri Pirko __team_queue_override_port_add(team, port); 8686c31ff36SJiri Pirko __team_queue_override_enabled_check(team); 8696c31ff36SJiri Pirko } 8706c31ff36SJiri Pirko 8716c31ff36SJiri Pirko static void team_queue_override_port_change_queue_id(struct team *team, 8726c31ff36SJiri Pirko struct team_port *port, 8736c31ff36SJiri Pirko u16 new_queue_id) 8746c31ff36SJiri Pirko { 8756c31ff36SJiri Pirko if (team_port_enabled(port)) { 8766c31ff36SJiri Pirko __team_queue_override_port_del(team, port); 8776c31ff36SJiri Pirko port->queue_id = new_queue_id; 8786c31ff36SJiri Pirko __team_queue_override_port_add(team, port); 8796c31ff36SJiri Pirko __team_queue_override_enabled_check(team); 8806c31ff36SJiri Pirko } else { 8816c31ff36SJiri Pirko port->queue_id = new_queue_id; 8826c31ff36SJiri Pirko } 8836c31ff36SJiri Pirko } 8846c31ff36SJiri Pirko 8856c31ff36SJiri Pirko static void team_queue_override_port_add(struct team *team, 8866c31ff36SJiri Pirko struct team_port *port) 8876c31ff36SJiri Pirko { 8886c31ff36SJiri Pirko __team_queue_override_port_add(team, port); 8896c31ff36SJiri Pirko __team_queue_override_enabled_check(team); 8906c31ff36SJiri Pirko } 8916c31ff36SJiri Pirko 8926c31ff36SJiri Pirko static void team_queue_override_port_del(struct team *team, 8938ff5105aSJiri Pirko struct team_port *port) 8948ff5105aSJiri Pirko { 8958ff5105aSJiri Pirko __team_queue_override_port_del(team, port); 8968ff5105aSJiri Pirko __team_queue_override_enabled_check(team); 8978ff5105aSJiri Pirko } 8988ff5105aSJiri Pirko 8998ff5105aSJiri Pirko 9003d249d4cSJiri Pirko /**************** 9013d249d4cSJiri Pirko * Port handling 9023d249d4cSJiri Pirko ****************/ 9033d249d4cSJiri Pirko 9043d249d4cSJiri Pirko static bool team_port_find(const struct team *team, 9053d249d4cSJiri Pirko const struct team_port *port) 9063d249d4cSJiri Pirko { 9073d249d4cSJiri Pirko struct team_port *cur; 9083d249d4cSJiri Pirko 9093d249d4cSJiri Pirko list_for_each_entry(cur, &team->port_list, list) 9103d249d4cSJiri Pirko if (cur == port) 9113d249d4cSJiri Pirko return true; 9123d249d4cSJiri Pirko return false; 9133d249d4cSJiri Pirko } 9143d249d4cSJiri Pirko 9153d249d4cSJiri Pirko /* 91619a0b58eSJiri Pirko * Enable/disable port by adding to enabled port hashlist and setting 91719a0b58eSJiri Pirko * port->index (Might be racy so reader could see incorrect ifindex when 91819a0b58eSJiri Pirko * processing a flying packet, but that is not a problem). Write guarded 91919a0b58eSJiri Pirko * by team->lock. 9203d249d4cSJiri Pirko */ 92119a0b58eSJiri Pirko static void team_port_enable(struct team *team, 9223d249d4cSJiri Pirko struct team_port *port) 9233d249d4cSJiri Pirko { 92419a0b58eSJiri Pirko if (team_port_enabled(port)) 92519a0b58eSJiri Pirko return; 92619a0b58eSJiri Pirko port->index = team->en_port_count++; 9273d249d4cSJiri Pirko hlist_add_head_rcu(&port->hlist, 9283d249d4cSJiri Pirko team_port_index_hash(team, port->index)); 929122bb046SJiri Pirko team_adjust_ops(team); 9306c31ff36SJiri Pirko team_queue_override_port_add(team, port); 9314bccfd17SJiri Pirko if (team->ops.port_enabled) 9324bccfd17SJiri Pirko team->ops.port_enabled(team, port); 933fc423ff0SJiri Pirko team_notify_peers(team); 934492b200eSJiri Pirko team_mcast_rejoin(team); 9353d249d4cSJiri Pirko } 9363d249d4cSJiri Pirko 9373d249d4cSJiri Pirko static void __reconstruct_port_hlist(struct team *team, int rm_index) 9383d249d4cSJiri Pirko { 9393d249d4cSJiri Pirko int i; 9403d249d4cSJiri Pirko struct team_port *port; 9413d249d4cSJiri Pirko 94219a0b58eSJiri Pirko for (i = rm_index + 1; i < team->en_port_count; i++) { 9433d249d4cSJiri Pirko port = team_get_port_by_index(team, i); 9443d249d4cSJiri Pirko hlist_del_rcu(&port->hlist); 9453d249d4cSJiri Pirko port->index--; 9463d249d4cSJiri Pirko hlist_add_head_rcu(&port->hlist, 9473d249d4cSJiri Pirko team_port_index_hash(team, port->index)); 9483d249d4cSJiri Pirko } 9493d249d4cSJiri Pirko } 9503d249d4cSJiri Pirko 95119a0b58eSJiri Pirko static void team_port_disable(struct team *team, 9523d249d4cSJiri Pirko struct team_port *port) 9533d249d4cSJiri Pirko { 95419a0b58eSJiri Pirko if (!team_port_enabled(port)) 95519a0b58eSJiri Pirko return; 9564bccfd17SJiri Pirko if (team->ops.port_disabled) 9574bccfd17SJiri Pirko team->ops.port_disabled(team, port); 9583d249d4cSJiri Pirko hlist_del_rcu(&port->hlist); 959122bb046SJiri Pirko __reconstruct_port_hlist(team, port->index); 96019a0b58eSJiri Pirko port->index = -1; 961122bb046SJiri Pirko team->en_port_count--; 962735d381fSJiri Pirko team_queue_override_port_del(team, port); 963735d381fSJiri Pirko team_adjust_ops(team); 964fc423ff0SJiri Pirko team_notify_peers(team); 965492b200eSJiri Pirko team_mcast_rejoin(team); 9663d249d4cSJiri Pirko } 9673d249d4cSJiri Pirko 9683d249d4cSJiri Pirko #define TEAM_VLAN_FEATURES (NETIF_F_ALL_CSUM | NETIF_F_SG | \ 9693d249d4cSJiri Pirko NETIF_F_FRAGLIST | NETIF_F_ALL_TSO | \ 9703d249d4cSJiri Pirko NETIF_F_HIGHDMA | NETIF_F_LRO) 9713d249d4cSJiri Pirko 9723d249d4cSJiri Pirko static void __team_compute_features(struct team *team) 9733d249d4cSJiri Pirko { 9743d249d4cSJiri Pirko struct team_port *port; 9753625920bSMichal Kubeček u32 vlan_features = TEAM_VLAN_FEATURES & NETIF_F_ALL_FOR_ALL; 9763d249d4cSJiri Pirko unsigned short max_hard_header_len = ETH_HLEN; 97702875878SEric Dumazet unsigned int dst_release_flag = IFF_XMIT_DST_RELEASE | 97802875878SEric Dumazet IFF_XMIT_DST_RELEASE_PERM; 9793d249d4cSJiri Pirko 9803d249d4cSJiri Pirko list_for_each_entry(port, &team->port_list, list) { 9813d249d4cSJiri Pirko vlan_features = netdev_increment_features(vlan_features, 9823d249d4cSJiri Pirko port->dev->vlan_features, 9833d249d4cSJiri Pirko TEAM_VLAN_FEATURES); 9843d249d4cSJiri Pirko 985dc905951SJiri Pirko dst_release_flag &= port->dev->priv_flags; 9863d249d4cSJiri Pirko if (port->dev->hard_header_len > max_hard_header_len) 9873d249d4cSJiri Pirko max_hard_header_len = port->dev->hard_header_len; 9883d249d4cSJiri Pirko } 9893d249d4cSJiri Pirko 9903d249d4cSJiri Pirko team->dev->vlan_features = vlan_features; 9913d249d4cSJiri Pirko team->dev->hard_header_len = max_hard_header_len; 9923d249d4cSJiri Pirko 99302875878SEric Dumazet team->dev->priv_flags &= ~IFF_XMIT_DST_RELEASE; 99402875878SEric Dumazet if (dst_release_flag == (IFF_XMIT_DST_RELEASE | IFF_XMIT_DST_RELEASE_PERM)) 99502875878SEric Dumazet team->dev->priv_flags |= IFF_XMIT_DST_RELEASE; 996dc905951SJiri Pirko 9973d249d4cSJiri Pirko netdev_change_features(team->dev); 9983d249d4cSJiri Pirko } 9993d249d4cSJiri Pirko 10003d249d4cSJiri Pirko static void team_compute_features(struct team *team) 10013d249d4cSJiri Pirko { 100261dc3461SJiri Pirko mutex_lock(&team->lock); 10033d249d4cSJiri Pirko __team_compute_features(team); 100461dc3461SJiri Pirko mutex_unlock(&team->lock); 10053d249d4cSJiri Pirko } 10063d249d4cSJiri Pirko 10073d249d4cSJiri Pirko static int team_port_enter(struct team *team, struct team_port *port) 10083d249d4cSJiri Pirko { 10093d249d4cSJiri Pirko int err = 0; 10103d249d4cSJiri Pirko 10113d249d4cSJiri Pirko dev_hold(team->dev); 10123d249d4cSJiri Pirko if (team->ops.port_enter) { 10133d249d4cSJiri Pirko err = team->ops.port_enter(team, port); 10143d249d4cSJiri Pirko if (err) { 10153d249d4cSJiri Pirko netdev_err(team->dev, "Device %s failed to enter team mode\n", 10163d249d4cSJiri Pirko port->dev->name); 10173d249d4cSJiri Pirko goto err_port_enter; 10183d249d4cSJiri Pirko } 10193d249d4cSJiri Pirko } 10203d249d4cSJiri Pirko 10213d249d4cSJiri Pirko return 0; 10223d249d4cSJiri Pirko 10233d249d4cSJiri Pirko err_port_enter: 10243d249d4cSJiri Pirko dev_put(team->dev); 10253d249d4cSJiri Pirko 10263d249d4cSJiri Pirko return err; 10273d249d4cSJiri Pirko } 10283d249d4cSJiri Pirko 10293d249d4cSJiri Pirko static void team_port_leave(struct team *team, struct team_port *port) 10303d249d4cSJiri Pirko { 10313d249d4cSJiri Pirko if (team->ops.port_leave) 10323d249d4cSJiri Pirko team->ops.port_leave(team, port); 10333d249d4cSJiri Pirko dev_put(team->dev); 10343d249d4cSJiri Pirko } 10353d249d4cSJiri Pirko 1036bd2d0837SJiri Pirko #ifdef CONFIG_NET_POLL_CONTROLLER 1037a8779ec1SEric W. Biederman static int team_port_enable_netpoll(struct team *team, struct team_port *port) 1038bd2d0837SJiri Pirko { 1039bd2d0837SJiri Pirko struct netpoll *np; 1040bd2d0837SJiri Pirko int err; 1041bd2d0837SJiri Pirko 10420fb52a27Sstephen hemminger if (!team->dev->npinfo) 10430fb52a27Sstephen hemminger return 0; 10440fb52a27Sstephen hemminger 1045a8779ec1SEric W. Biederman np = kzalloc(sizeof(*np), GFP_KERNEL); 1046bd2d0837SJiri Pirko if (!np) 1047bd2d0837SJiri Pirko return -ENOMEM; 1048bd2d0837SJiri Pirko 1049a8779ec1SEric W. Biederman err = __netpoll_setup(np, port->dev); 1050bd2d0837SJiri Pirko if (err) { 1051bd2d0837SJiri Pirko kfree(np); 1052bd2d0837SJiri Pirko return err; 1053bd2d0837SJiri Pirko } 1054bd2d0837SJiri Pirko port->np = np; 1055bd2d0837SJiri Pirko return err; 1056bd2d0837SJiri Pirko } 1057bd2d0837SJiri Pirko 1058bd2d0837SJiri Pirko static void team_port_disable_netpoll(struct team_port *port) 1059bd2d0837SJiri Pirko { 1060bd2d0837SJiri Pirko struct netpoll *np = port->np; 1061bd2d0837SJiri Pirko 1062bd2d0837SJiri Pirko if (!np) 1063bd2d0837SJiri Pirko return; 1064bd2d0837SJiri Pirko port->np = NULL; 1065bd2d0837SJiri Pirko 1066bd2d0837SJiri Pirko /* Wait for transmitting packets to finish before freeing. */ 1067bd2d0837SJiri Pirko synchronize_rcu_bh(); 1068bd2d0837SJiri Pirko __netpoll_cleanup(np); 1069bd2d0837SJiri Pirko kfree(np); 1070bd2d0837SJiri Pirko } 1071bd2d0837SJiri Pirko #else 1072a8779ec1SEric W. Biederman static int team_port_enable_netpoll(struct team *team, struct team_port *port) 1073bd2d0837SJiri Pirko { 1074bd2d0837SJiri Pirko return 0; 1075bd2d0837SJiri Pirko } 1076bd2d0837SJiri Pirko static void team_port_disable_netpoll(struct team_port *port) 1077bd2d0837SJiri Pirko { 1078bd2d0837SJiri Pirko } 1079bd2d0837SJiri Pirko #endif 1080bd2d0837SJiri Pirko 1081d7d3c051SJiri Pirko static int team_upper_dev_link(struct net_device *dev, 1082d7d3c051SJiri Pirko struct net_device *port_dev) 1083d7d3c051SJiri Pirko { 1084d7d3c051SJiri Pirko int err; 1085d7d3c051SJiri Pirko 1086d7d3c051SJiri Pirko err = netdev_master_upper_dev_link(port_dev, dev); 1087d7d3c051SJiri Pirko if (err) 1088d7d3c051SJiri Pirko return err; 1089d7d3c051SJiri Pirko port_dev->priv_flags |= IFF_TEAM_PORT; 1090d7d3c051SJiri Pirko return 0; 1091d7d3c051SJiri Pirko } 1092d7d3c051SJiri Pirko 1093d7d3c051SJiri Pirko static void team_upper_dev_unlink(struct net_device *dev, 1094d7d3c051SJiri Pirko struct net_device *port_dev) 1095d7d3c051SJiri Pirko { 1096d7d3c051SJiri Pirko netdev_upper_dev_unlink(port_dev, dev); 1097d7d3c051SJiri Pirko port_dev->priv_flags &= ~IFF_TEAM_PORT; 1098d7d3c051SJiri Pirko } 1099d7d3c051SJiri Pirko 110010f3f51dSJiri Pirko static void __team_port_change_port_added(struct team_port *port, bool linkup); 11011d76efe1SJiri Pirko static int team_dev_type_check_change(struct net_device *dev, 11021d76efe1SJiri Pirko struct net_device *port_dev); 11033d249d4cSJiri Pirko 11043d249d4cSJiri Pirko static int team_port_add(struct team *team, struct net_device *port_dev) 11053d249d4cSJiri Pirko { 11063d249d4cSJiri Pirko struct net_device *dev = team->dev; 11073d249d4cSJiri Pirko struct team_port *port; 11083d249d4cSJiri Pirko char *portname = port_dev->name; 11093d249d4cSJiri Pirko int err; 11103d249d4cSJiri Pirko 11111d76efe1SJiri Pirko if (port_dev->flags & IFF_LOOPBACK) { 11121d76efe1SJiri Pirko netdev_err(dev, "Device %s is loopback device. Loopback devices can't be added as a team port\n", 11133d249d4cSJiri Pirko portname); 11143d249d4cSJiri Pirko return -EINVAL; 11153d249d4cSJiri Pirko } 11163d249d4cSJiri Pirko 11173d249d4cSJiri Pirko if (team_port_exists(port_dev)) { 11183d249d4cSJiri Pirko netdev_err(dev, "Device %s is already a port " 11193d249d4cSJiri Pirko "of a team device\n", portname); 11203d249d4cSJiri Pirko return -EBUSY; 11213d249d4cSJiri Pirko } 11223d249d4cSJiri Pirko 11232c33bb37SJiri Pirko if (port_dev->features & NETIF_F_VLAN_CHALLENGED && 11242c33bb37SJiri Pirko vlan_uses_dev(dev)) { 11252c33bb37SJiri Pirko netdev_err(dev, "Device %s is VLAN challenged and team device has VLAN set up\n", 11262c33bb37SJiri Pirko portname); 11272c33bb37SJiri Pirko return -EPERM; 11282c33bb37SJiri Pirko } 11292c33bb37SJiri Pirko 11301d76efe1SJiri Pirko err = team_dev_type_check_change(dev, port_dev); 11311d76efe1SJiri Pirko if (err) 11321d76efe1SJiri Pirko return err; 11331d76efe1SJiri Pirko 11343d249d4cSJiri Pirko if (port_dev->flags & IFF_UP) { 11353d249d4cSJiri Pirko netdev_err(dev, "Device %s is up. Set it down before adding it as a team port\n", 11363d249d4cSJiri Pirko portname); 11373d249d4cSJiri Pirko return -EBUSY; 11383d249d4cSJiri Pirko } 11393d249d4cSJiri Pirko 11405149ee58SJiri Pirko port = kzalloc(sizeof(struct team_port) + team->mode->port_priv_size, 11415149ee58SJiri Pirko GFP_KERNEL); 11423d249d4cSJiri Pirko if (!port) 11433d249d4cSJiri Pirko return -ENOMEM; 11443d249d4cSJiri Pirko 11453d249d4cSJiri Pirko port->dev = port_dev; 11463d249d4cSJiri Pirko port->team = team; 11478ff5105aSJiri Pirko INIT_LIST_HEAD(&port->qom_list); 11483d249d4cSJiri Pirko 11493d249d4cSJiri Pirko port->orig.mtu = port_dev->mtu; 11503d249d4cSJiri Pirko err = dev_set_mtu(port_dev, dev->mtu); 11513d249d4cSJiri Pirko if (err) { 11523d249d4cSJiri Pirko netdev_dbg(dev, "Error %d calling dev_set_mtu\n", err); 11533d249d4cSJiri Pirko goto err_set_mtu; 11543d249d4cSJiri Pirko } 11553d249d4cSJiri Pirko 11561d76efe1SJiri Pirko memcpy(port->orig.dev_addr, port_dev->dev_addr, port_dev->addr_len); 11573d249d4cSJiri Pirko 11583d249d4cSJiri Pirko err = team_port_enter(team, port); 11593d249d4cSJiri Pirko if (err) { 11603d249d4cSJiri Pirko netdev_err(dev, "Device %s failed to enter team mode\n", 11613d249d4cSJiri Pirko portname); 11623d249d4cSJiri Pirko goto err_port_enter; 11633d249d4cSJiri Pirko } 11643d249d4cSJiri Pirko 11653d249d4cSJiri Pirko err = dev_open(port_dev); 11663d249d4cSJiri Pirko if (err) { 11673d249d4cSJiri Pirko netdev_dbg(dev, "Device %s opening failed\n", 11683d249d4cSJiri Pirko portname); 11693d249d4cSJiri Pirko goto err_dev_open; 11703d249d4cSJiri Pirko } 11713d249d4cSJiri Pirko 117257459185SJiri Pirko err = vlan_vids_add_by_dev(port_dev, dev); 117357459185SJiri Pirko if (err) { 117457459185SJiri Pirko netdev_err(dev, "Failed to add vlan ids to device %s\n", 117557459185SJiri Pirko portname); 117657459185SJiri Pirko goto err_vids_add; 117757459185SJiri Pirko } 117857459185SJiri Pirko 1179a8779ec1SEric W. Biederman err = team_port_enable_netpoll(team, port); 1180bd2d0837SJiri Pirko if (err) { 1181bd2d0837SJiri Pirko netdev_err(dev, "Failed to enable netpoll on device %s\n", 1182bd2d0837SJiri Pirko portname); 1183bd2d0837SJiri Pirko goto err_enable_netpoll; 1184bd2d0837SJiri Pirko } 1185bd2d0837SJiri Pirko 1186fbe168baSMichal Kubeček if (!(dev->features & NETIF_F_LRO)) 1187fbe168baSMichal Kubeček dev_disable_lro(port_dev); 1188fbe168baSMichal Kubeček 11893d249d4cSJiri Pirko err = netdev_rx_handler_register(port_dev, team_handle_frame, 11903d249d4cSJiri Pirko port); 11913d249d4cSJiri Pirko if (err) { 11923d249d4cSJiri Pirko netdev_err(dev, "Device %s failed to register rx_handler\n", 11933d249d4cSJiri Pirko portname); 11943d249d4cSJiri Pirko goto err_handler_register; 11953d249d4cSJiri Pirko } 11963d249d4cSJiri Pirko 1197d7d3c051SJiri Pirko err = team_upper_dev_link(dev, port_dev); 1198d7d3c051SJiri Pirko if (err) { 1199d7d3c051SJiri Pirko netdev_err(dev, "Device %s failed to set upper link\n", 1200d7d3c051SJiri Pirko portname); 1201d7d3c051SJiri Pirko goto err_set_upper_link; 1202d7d3c051SJiri Pirko } 1203d7d3c051SJiri Pirko 120435b384bdSJiri Pirko err = __team_option_inst_add_port(team, port); 120580f7c668SJiri Pirko if (err) { 120680f7c668SJiri Pirko netdev_err(dev, "Device %s failed to add per-port options\n", 120780f7c668SJiri Pirko portname); 120880f7c668SJiri Pirko goto err_option_port_add; 120980f7c668SJiri Pirko } 121080f7c668SJiri Pirko 121119a0b58eSJiri Pirko port->index = -1; 121219a0b58eSJiri Pirko list_add_tail_rcu(&port->list, &team->port_list); 121372df935dSJiri Pirko team_port_enable(team, port); 12143d249d4cSJiri Pirko __team_compute_features(team); 121510f3f51dSJiri Pirko __team_port_change_port_added(port, !!netif_carrier_ok(port_dev)); 121635b384bdSJiri Pirko __team_options_change_check(team); 12173d249d4cSJiri Pirko 12183d249d4cSJiri Pirko netdev_info(dev, "Port device %s added\n", portname); 12193d249d4cSJiri Pirko 12203d249d4cSJiri Pirko return 0; 12213d249d4cSJiri Pirko 122280f7c668SJiri Pirko err_option_port_add: 1223d7d3c051SJiri Pirko team_upper_dev_unlink(dev, port_dev); 1224d7d3c051SJiri Pirko 1225d7d3c051SJiri Pirko err_set_upper_link: 122680f7c668SJiri Pirko netdev_rx_handler_unregister(port_dev); 122780f7c668SJiri Pirko 12283d249d4cSJiri Pirko err_handler_register: 1229bd2d0837SJiri Pirko team_port_disable_netpoll(port); 1230bd2d0837SJiri Pirko 1231bd2d0837SJiri Pirko err_enable_netpoll: 123257459185SJiri Pirko vlan_vids_del_by_dev(port_dev, dev); 123357459185SJiri Pirko 123457459185SJiri Pirko err_vids_add: 12353d249d4cSJiri Pirko dev_close(port_dev); 12363d249d4cSJiri Pirko 12373d249d4cSJiri Pirko err_dev_open: 12383d249d4cSJiri Pirko team_port_leave(team, port); 12391d76efe1SJiri Pirko team_port_set_orig_dev_addr(port); 12403d249d4cSJiri Pirko 12413d249d4cSJiri Pirko err_port_enter: 12423d249d4cSJiri Pirko dev_set_mtu(port_dev, port->orig.mtu); 12433d249d4cSJiri Pirko 12443d249d4cSJiri Pirko err_set_mtu: 12453d249d4cSJiri Pirko kfree(port); 12463d249d4cSJiri Pirko 12473d249d4cSJiri Pirko return err; 12483d249d4cSJiri Pirko } 12493d249d4cSJiri Pirko 125010f3f51dSJiri Pirko static void __team_port_change_port_removed(struct team_port *port); 125110f3f51dSJiri Pirko 12523d249d4cSJiri Pirko static int team_port_del(struct team *team, struct net_device *port_dev) 12533d249d4cSJiri Pirko { 12543d249d4cSJiri Pirko struct net_device *dev = team->dev; 12553d249d4cSJiri Pirko struct team_port *port; 12563d249d4cSJiri Pirko char *portname = port_dev->name; 12573d249d4cSJiri Pirko 12583d249d4cSJiri Pirko port = team_port_get_rtnl(port_dev); 12593d249d4cSJiri Pirko if (!port || !team_port_find(team, port)) { 12603d249d4cSJiri Pirko netdev_err(dev, "Device %s does not act as a port of this team\n", 12613d249d4cSJiri Pirko portname); 12623d249d4cSJiri Pirko return -ENOENT; 12633d249d4cSJiri Pirko } 12643d249d4cSJiri Pirko 126519a0b58eSJiri Pirko team_port_disable(team, port); 126619a0b58eSJiri Pirko list_del_rcu(&port->list); 1267d7d3c051SJiri Pirko team_upper_dev_unlink(dev, port_dev); 12683d249d4cSJiri Pirko netdev_rx_handler_unregister(port_dev); 1269bd2d0837SJiri Pirko team_port_disable_netpoll(port); 127057459185SJiri Pirko vlan_vids_del_by_dev(port_dev, dev); 1271ba81276bSVlad Yasevich dev_uc_unsync(port_dev, dev); 1272ba81276bSVlad Yasevich dev_mc_unsync(port_dev, dev); 12733d249d4cSJiri Pirko dev_close(port_dev); 12743d249d4cSJiri Pirko team_port_leave(team, port); 1275c3969d80SJiri Pirko 1276c3969d80SJiri Pirko __team_option_inst_mark_removed_port(team, port); 1277c3969d80SJiri Pirko __team_options_change_check(team); 1278c3969d80SJiri Pirko __team_option_inst_del_port(team, port); 1279c3969d80SJiri Pirko __team_port_change_port_removed(port); 1280c3969d80SJiri Pirko 12811d76efe1SJiri Pirko team_port_set_orig_dev_addr(port); 12823d249d4cSJiri Pirko dev_set_mtu(port_dev, port->orig.mtu); 1283d80b35beSJiri Pirko kfree_rcu(port, rcu); 12843d249d4cSJiri Pirko netdev_info(dev, "Port device %s removed\n", portname); 12853d249d4cSJiri Pirko __team_compute_features(team); 12863d249d4cSJiri Pirko 12873d249d4cSJiri Pirko return 0; 12883d249d4cSJiri Pirko } 12893d249d4cSJiri Pirko 12903d249d4cSJiri Pirko 12913d249d4cSJiri Pirko /***************** 12923d249d4cSJiri Pirko * Net device ops 12933d249d4cSJiri Pirko *****************/ 12943d249d4cSJiri Pirko 129580f7c668SJiri Pirko static int team_mode_option_get(struct team *team, struct team_gsetter_ctx *ctx) 12963d249d4cSJiri Pirko { 1297d299cd51SJiri Pirko ctx->data.str_val = team->mode->kind; 12983d249d4cSJiri Pirko return 0; 12993d249d4cSJiri Pirko } 13003d249d4cSJiri Pirko 130180f7c668SJiri Pirko static int team_mode_option_set(struct team *team, struct team_gsetter_ctx *ctx) 13023d249d4cSJiri Pirko { 130380f7c668SJiri Pirko return team_change_mode(team, ctx->data.str_val); 13043d249d4cSJiri Pirko } 13053d249d4cSJiri Pirko 1306fc423ff0SJiri Pirko static int team_notify_peers_count_get(struct team *team, 1307fc423ff0SJiri Pirko struct team_gsetter_ctx *ctx) 1308fc423ff0SJiri Pirko { 1309fc423ff0SJiri Pirko ctx->data.u32_val = team->notify_peers.count; 1310fc423ff0SJiri Pirko return 0; 1311fc423ff0SJiri Pirko } 1312fc423ff0SJiri Pirko 1313fc423ff0SJiri Pirko static int team_notify_peers_count_set(struct team *team, 1314fc423ff0SJiri Pirko struct team_gsetter_ctx *ctx) 1315fc423ff0SJiri Pirko { 1316fc423ff0SJiri Pirko team->notify_peers.count = ctx->data.u32_val; 1317fc423ff0SJiri Pirko return 0; 1318fc423ff0SJiri Pirko } 1319fc423ff0SJiri Pirko 1320fc423ff0SJiri Pirko static int team_notify_peers_interval_get(struct team *team, 1321fc423ff0SJiri Pirko struct team_gsetter_ctx *ctx) 1322fc423ff0SJiri Pirko { 1323fc423ff0SJiri Pirko ctx->data.u32_val = team->notify_peers.interval; 1324fc423ff0SJiri Pirko return 0; 1325fc423ff0SJiri Pirko } 1326fc423ff0SJiri Pirko 1327fc423ff0SJiri Pirko static int team_notify_peers_interval_set(struct team *team, 1328fc423ff0SJiri Pirko struct team_gsetter_ctx *ctx) 1329fc423ff0SJiri Pirko { 1330fc423ff0SJiri Pirko team->notify_peers.interval = ctx->data.u32_val; 1331fc423ff0SJiri Pirko return 0; 1332fc423ff0SJiri Pirko } 1333fc423ff0SJiri Pirko 1334492b200eSJiri Pirko static int team_mcast_rejoin_count_get(struct team *team, 1335492b200eSJiri Pirko struct team_gsetter_ctx *ctx) 1336492b200eSJiri Pirko { 1337492b200eSJiri Pirko ctx->data.u32_val = team->mcast_rejoin.count; 1338492b200eSJiri Pirko return 0; 1339492b200eSJiri Pirko } 1340492b200eSJiri Pirko 1341492b200eSJiri Pirko static int team_mcast_rejoin_count_set(struct team *team, 1342492b200eSJiri Pirko struct team_gsetter_ctx *ctx) 1343492b200eSJiri Pirko { 1344492b200eSJiri Pirko team->mcast_rejoin.count = ctx->data.u32_val; 1345492b200eSJiri Pirko return 0; 1346492b200eSJiri Pirko } 1347492b200eSJiri Pirko 1348492b200eSJiri Pirko static int team_mcast_rejoin_interval_get(struct team *team, 1349492b200eSJiri Pirko struct team_gsetter_ctx *ctx) 1350492b200eSJiri Pirko { 1351492b200eSJiri Pirko ctx->data.u32_val = team->mcast_rejoin.interval; 1352492b200eSJiri Pirko return 0; 1353492b200eSJiri Pirko } 1354492b200eSJiri Pirko 1355492b200eSJiri Pirko static int team_mcast_rejoin_interval_set(struct team *team, 1356492b200eSJiri Pirko struct team_gsetter_ctx *ctx) 1357492b200eSJiri Pirko { 1358492b200eSJiri Pirko team->mcast_rejoin.interval = ctx->data.u32_val; 1359492b200eSJiri Pirko return 0; 1360492b200eSJiri Pirko } 1361492b200eSJiri Pirko 1362acd69962SJiri Pirko static int team_port_en_option_get(struct team *team, 1363acd69962SJiri Pirko struct team_gsetter_ctx *ctx) 1364acd69962SJiri Pirko { 136585d59a87SJiri Pirko struct team_port *port = ctx->info->port; 136685d59a87SJiri Pirko 136785d59a87SJiri Pirko ctx->data.bool_val = team_port_enabled(port); 1368acd69962SJiri Pirko return 0; 1369acd69962SJiri Pirko } 1370acd69962SJiri Pirko 1371acd69962SJiri Pirko static int team_port_en_option_set(struct team *team, 1372acd69962SJiri Pirko struct team_gsetter_ctx *ctx) 1373acd69962SJiri Pirko { 137485d59a87SJiri Pirko struct team_port *port = ctx->info->port; 137585d59a87SJiri Pirko 1376acd69962SJiri Pirko if (ctx->data.bool_val) 137785d59a87SJiri Pirko team_port_enable(team, port); 1378acd69962SJiri Pirko else 137985d59a87SJiri Pirko team_port_disable(team, port); 1380acd69962SJiri Pirko return 0; 1381acd69962SJiri Pirko } 1382acd69962SJiri Pirko 138371472ec1SJiri Pirko static int team_user_linkup_option_get(struct team *team, 138471472ec1SJiri Pirko struct team_gsetter_ctx *ctx) 138571472ec1SJiri Pirko { 138685d59a87SJiri Pirko struct team_port *port = ctx->info->port; 138785d59a87SJiri Pirko 138885d59a87SJiri Pirko ctx->data.bool_val = port->user.linkup; 138971472ec1SJiri Pirko return 0; 139071472ec1SJiri Pirko } 139171472ec1SJiri Pirko 1392f5e0d343SJiri Pirko static void __team_carrier_check(struct team *team); 1393f5e0d343SJiri Pirko 139471472ec1SJiri Pirko static int team_user_linkup_option_set(struct team *team, 139571472ec1SJiri Pirko struct team_gsetter_ctx *ctx) 139671472ec1SJiri Pirko { 139785d59a87SJiri Pirko struct team_port *port = ctx->info->port; 139885d59a87SJiri Pirko 139985d59a87SJiri Pirko port->user.linkup = ctx->data.bool_val; 140085d59a87SJiri Pirko team_refresh_port_linkup(port); 1401f5e0d343SJiri Pirko __team_carrier_check(port->team); 140271472ec1SJiri Pirko return 0; 140371472ec1SJiri Pirko } 140471472ec1SJiri Pirko 140571472ec1SJiri Pirko static int team_user_linkup_en_option_get(struct team *team, 140671472ec1SJiri Pirko struct team_gsetter_ctx *ctx) 140771472ec1SJiri Pirko { 140885d59a87SJiri Pirko struct team_port *port = ctx->info->port; 140971472ec1SJiri Pirko 141071472ec1SJiri Pirko ctx->data.bool_val = port->user.linkup_enabled; 141171472ec1SJiri Pirko return 0; 141271472ec1SJiri Pirko } 141371472ec1SJiri Pirko 141471472ec1SJiri Pirko static int team_user_linkup_en_option_set(struct team *team, 141571472ec1SJiri Pirko struct team_gsetter_ctx *ctx) 141671472ec1SJiri Pirko { 141785d59a87SJiri Pirko struct team_port *port = ctx->info->port; 141871472ec1SJiri Pirko 141971472ec1SJiri Pirko port->user.linkup_enabled = ctx->data.bool_val; 142085d59a87SJiri Pirko team_refresh_port_linkup(port); 1421f5e0d343SJiri Pirko __team_carrier_check(port->team); 142271472ec1SJiri Pirko return 0; 142371472ec1SJiri Pirko } 142471472ec1SJiri Pirko 1425a86fc6b7SJiri Pirko static int team_priority_option_get(struct team *team, 1426a86fc6b7SJiri Pirko struct team_gsetter_ctx *ctx) 1427a86fc6b7SJiri Pirko { 1428a86fc6b7SJiri Pirko struct team_port *port = ctx->info->port; 1429a86fc6b7SJiri Pirko 1430a86fc6b7SJiri Pirko ctx->data.s32_val = port->priority; 1431a86fc6b7SJiri Pirko return 0; 1432a86fc6b7SJiri Pirko } 1433a86fc6b7SJiri Pirko 1434a86fc6b7SJiri Pirko static int team_priority_option_set(struct team *team, 1435a86fc6b7SJiri Pirko struct team_gsetter_ctx *ctx) 1436a86fc6b7SJiri Pirko { 1437a86fc6b7SJiri Pirko struct team_port *port = ctx->info->port; 14386c31ff36SJiri Pirko s32 priority = ctx->data.s32_val; 1439a86fc6b7SJiri Pirko 14406c31ff36SJiri Pirko if (port->priority == priority) 14416c31ff36SJiri Pirko return 0; 14426c31ff36SJiri Pirko port->priority = priority; 14436c31ff36SJiri Pirko team_queue_override_port_prio_changed(team, port); 1444a86fc6b7SJiri Pirko return 0; 1445a86fc6b7SJiri Pirko } 1446a86fc6b7SJiri Pirko 14478ff5105aSJiri Pirko static int team_queue_id_option_get(struct team *team, 14488ff5105aSJiri Pirko struct team_gsetter_ctx *ctx) 14498ff5105aSJiri Pirko { 14508ff5105aSJiri Pirko struct team_port *port = ctx->info->port; 14518ff5105aSJiri Pirko 14528ff5105aSJiri Pirko ctx->data.u32_val = port->queue_id; 14538ff5105aSJiri Pirko return 0; 14548ff5105aSJiri Pirko } 14558ff5105aSJiri Pirko 14568ff5105aSJiri Pirko static int team_queue_id_option_set(struct team *team, 14578ff5105aSJiri Pirko struct team_gsetter_ctx *ctx) 14588ff5105aSJiri Pirko { 14598ff5105aSJiri Pirko struct team_port *port = ctx->info->port; 14606c31ff36SJiri Pirko u16 new_queue_id = ctx->data.u32_val; 14618ff5105aSJiri Pirko 14626c31ff36SJiri Pirko if (port->queue_id == new_queue_id) 14638ff5105aSJiri Pirko return 0; 14646c31ff36SJiri Pirko if (new_queue_id >= team->dev->real_num_tx_queues) 14658ff5105aSJiri Pirko return -EINVAL; 14666c31ff36SJiri Pirko team_queue_override_port_change_queue_id(team, port, new_queue_id); 14678ff5105aSJiri Pirko return 0; 14688ff5105aSJiri Pirko } 14698ff5105aSJiri Pirko 1470358b8382SJiri Pirko static const struct team_option team_options[] = { 14713d249d4cSJiri Pirko { 14723d249d4cSJiri Pirko .name = "mode", 14733d249d4cSJiri Pirko .type = TEAM_OPTION_TYPE_STRING, 14743d249d4cSJiri Pirko .getter = team_mode_option_get, 14753d249d4cSJiri Pirko .setter = team_mode_option_set, 14763d249d4cSJiri Pirko }, 147771472ec1SJiri Pirko { 1478fc423ff0SJiri Pirko .name = "notify_peers_count", 1479fc423ff0SJiri Pirko .type = TEAM_OPTION_TYPE_U32, 1480fc423ff0SJiri Pirko .getter = team_notify_peers_count_get, 1481fc423ff0SJiri Pirko .setter = team_notify_peers_count_set, 1482fc423ff0SJiri Pirko }, 1483fc423ff0SJiri Pirko { 1484fc423ff0SJiri Pirko .name = "notify_peers_interval", 1485fc423ff0SJiri Pirko .type = TEAM_OPTION_TYPE_U32, 1486fc423ff0SJiri Pirko .getter = team_notify_peers_interval_get, 1487fc423ff0SJiri Pirko .setter = team_notify_peers_interval_set, 1488fc423ff0SJiri Pirko }, 1489fc423ff0SJiri Pirko { 1490492b200eSJiri Pirko .name = "mcast_rejoin_count", 1491492b200eSJiri Pirko .type = TEAM_OPTION_TYPE_U32, 1492492b200eSJiri Pirko .getter = team_mcast_rejoin_count_get, 1493492b200eSJiri Pirko .setter = team_mcast_rejoin_count_set, 1494492b200eSJiri Pirko }, 1495492b200eSJiri Pirko { 1496492b200eSJiri Pirko .name = "mcast_rejoin_interval", 1497492b200eSJiri Pirko .type = TEAM_OPTION_TYPE_U32, 1498492b200eSJiri Pirko .getter = team_mcast_rejoin_interval_get, 1499492b200eSJiri Pirko .setter = team_mcast_rejoin_interval_set, 1500492b200eSJiri Pirko }, 1501492b200eSJiri Pirko { 1502acd69962SJiri Pirko .name = "enabled", 1503acd69962SJiri Pirko .type = TEAM_OPTION_TYPE_BOOL, 1504acd69962SJiri Pirko .per_port = true, 1505acd69962SJiri Pirko .getter = team_port_en_option_get, 1506acd69962SJiri Pirko .setter = team_port_en_option_set, 1507acd69962SJiri Pirko }, 1508acd69962SJiri Pirko { 150971472ec1SJiri Pirko .name = "user_linkup", 151071472ec1SJiri Pirko .type = TEAM_OPTION_TYPE_BOOL, 151171472ec1SJiri Pirko .per_port = true, 151271472ec1SJiri Pirko .getter = team_user_linkup_option_get, 151371472ec1SJiri Pirko .setter = team_user_linkup_option_set, 151471472ec1SJiri Pirko }, 151571472ec1SJiri Pirko { 151671472ec1SJiri Pirko .name = "user_linkup_enabled", 151771472ec1SJiri Pirko .type = TEAM_OPTION_TYPE_BOOL, 151871472ec1SJiri Pirko .per_port = true, 151971472ec1SJiri Pirko .getter = team_user_linkup_en_option_get, 152071472ec1SJiri Pirko .setter = team_user_linkup_en_option_set, 152171472ec1SJiri Pirko }, 1522a86fc6b7SJiri Pirko { 1523a86fc6b7SJiri Pirko .name = "priority", 1524a86fc6b7SJiri Pirko .type = TEAM_OPTION_TYPE_S32, 1525a86fc6b7SJiri Pirko .per_port = true, 1526a86fc6b7SJiri Pirko .getter = team_priority_option_get, 1527a86fc6b7SJiri Pirko .setter = team_priority_option_set, 1528a86fc6b7SJiri Pirko }, 15298ff5105aSJiri Pirko { 15308ff5105aSJiri Pirko .name = "queue_id", 15318ff5105aSJiri Pirko .type = TEAM_OPTION_TYPE_U32, 15328ff5105aSJiri Pirko .per_port = true, 15338ff5105aSJiri Pirko .getter = team_queue_id_option_get, 15348ff5105aSJiri Pirko .setter = team_queue_id_option_set, 15358ff5105aSJiri Pirko }, 15363d249d4cSJiri Pirko }; 15373d249d4cSJiri Pirko 15386c85f2bdSJiri Pirko static struct lock_class_key team_netdev_xmit_lock_key; 15396c85f2bdSJiri Pirko static struct lock_class_key team_netdev_addr_lock_key; 1540b3c581d5SEric Dumazet static struct lock_class_key team_tx_busylock_key; 15416c85f2bdSJiri Pirko 15426c85f2bdSJiri Pirko static void team_set_lockdep_class_one(struct net_device *dev, 15436c85f2bdSJiri Pirko struct netdev_queue *txq, 15446c85f2bdSJiri Pirko void *unused) 15456c85f2bdSJiri Pirko { 15466c85f2bdSJiri Pirko lockdep_set_class(&txq->_xmit_lock, &team_netdev_xmit_lock_key); 15476c85f2bdSJiri Pirko } 15486c85f2bdSJiri Pirko 15496c85f2bdSJiri Pirko static void team_set_lockdep_class(struct net_device *dev) 15506c85f2bdSJiri Pirko { 15516c85f2bdSJiri Pirko lockdep_set_class(&dev->addr_list_lock, &team_netdev_addr_lock_key); 15526c85f2bdSJiri Pirko netdev_for_each_tx_queue(dev, team_set_lockdep_class_one, NULL); 1553b3c581d5SEric Dumazet dev->qdisc_tx_busylock = &team_tx_busylock_key; 15546c85f2bdSJiri Pirko } 15556c85f2bdSJiri Pirko 15563d249d4cSJiri Pirko static int team_init(struct net_device *dev) 15573d249d4cSJiri Pirko { 15583d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 15593d249d4cSJiri Pirko int i; 1560358b8382SJiri Pirko int err; 15613d249d4cSJiri Pirko 15623d249d4cSJiri Pirko team->dev = dev; 156361dc3461SJiri Pirko mutex_init(&team->lock); 1564d299cd51SJiri Pirko team_set_no_mode(team); 15653d249d4cSJiri Pirko 15661c213bd2SWANG Cong team->pcpu_stats = netdev_alloc_pcpu_stats(struct team_pcpu_stats); 15673d249d4cSJiri Pirko if (!team->pcpu_stats) 15683d249d4cSJiri Pirko return -ENOMEM; 15693d249d4cSJiri Pirko 15703d249d4cSJiri Pirko for (i = 0; i < TEAM_PORT_HASHENTRIES; i++) 157119a0b58eSJiri Pirko INIT_HLIST_HEAD(&team->en_port_hlist[i]); 15723d249d4cSJiri Pirko INIT_LIST_HEAD(&team->port_list); 15738ff5105aSJiri Pirko err = team_queue_override_init(team); 15748ff5105aSJiri Pirko if (err) 15758ff5105aSJiri Pirko goto err_team_queue_override_init; 15763d249d4cSJiri Pirko 15773d249d4cSJiri Pirko team_adjust_ops(team); 15783d249d4cSJiri Pirko 15793d249d4cSJiri Pirko INIT_LIST_HEAD(&team->option_list); 158080f7c668SJiri Pirko INIT_LIST_HEAD(&team->option_inst_list); 1581fc423ff0SJiri Pirko 1582fc423ff0SJiri Pirko team_notify_peers_init(team); 1583492b200eSJiri Pirko team_mcast_rejoin_init(team); 1584fc423ff0SJiri Pirko 1585358b8382SJiri Pirko err = team_options_register(team, team_options, ARRAY_SIZE(team_options)); 1586358b8382SJiri Pirko if (err) 1587358b8382SJiri Pirko goto err_options_register; 15883d249d4cSJiri Pirko netif_carrier_off(dev); 15893d249d4cSJiri Pirko 15906c85f2bdSJiri Pirko team_set_lockdep_class(dev); 15916c85f2bdSJiri Pirko 15923d249d4cSJiri Pirko return 0; 1593358b8382SJiri Pirko 1594358b8382SJiri Pirko err_options_register: 1595492b200eSJiri Pirko team_mcast_rejoin_fini(team); 1596fc423ff0SJiri Pirko team_notify_peers_fini(team); 15978ff5105aSJiri Pirko team_queue_override_fini(team); 15988ff5105aSJiri Pirko err_team_queue_override_init: 1599358b8382SJiri Pirko free_percpu(team->pcpu_stats); 1600358b8382SJiri Pirko 1601358b8382SJiri Pirko return err; 16023d249d4cSJiri Pirko } 16033d249d4cSJiri Pirko 16043d249d4cSJiri Pirko static void team_uninit(struct net_device *dev) 16053d249d4cSJiri Pirko { 16063d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 16073d249d4cSJiri Pirko struct team_port *port; 16083d249d4cSJiri Pirko struct team_port *tmp; 16093d249d4cSJiri Pirko 161061dc3461SJiri Pirko mutex_lock(&team->lock); 16113d249d4cSJiri Pirko list_for_each_entry_safe(port, tmp, &team->port_list, list) 16123d249d4cSJiri Pirko team_port_del(team, port->dev); 16133d249d4cSJiri Pirko 16143d249d4cSJiri Pirko __team_change_mode(team, NULL); /* cleanup */ 16153d249d4cSJiri Pirko __team_options_unregister(team, team_options, ARRAY_SIZE(team_options)); 1616492b200eSJiri Pirko team_mcast_rejoin_fini(team); 1617fc423ff0SJiri Pirko team_notify_peers_fini(team); 16188ff5105aSJiri Pirko team_queue_override_fini(team); 161961dc3461SJiri Pirko mutex_unlock(&team->lock); 16203d249d4cSJiri Pirko } 16213d249d4cSJiri Pirko 16223d249d4cSJiri Pirko static void team_destructor(struct net_device *dev) 16233d249d4cSJiri Pirko { 16243d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 16253d249d4cSJiri Pirko 16263d249d4cSJiri Pirko free_percpu(team->pcpu_stats); 16273d249d4cSJiri Pirko free_netdev(dev); 16283d249d4cSJiri Pirko } 16293d249d4cSJiri Pirko 16303d249d4cSJiri Pirko static int team_open(struct net_device *dev) 16313d249d4cSJiri Pirko { 16323d249d4cSJiri Pirko return 0; 16333d249d4cSJiri Pirko } 16343d249d4cSJiri Pirko 16353d249d4cSJiri Pirko static int team_close(struct net_device *dev) 16363d249d4cSJiri Pirko { 16373d249d4cSJiri Pirko return 0; 16383d249d4cSJiri Pirko } 16393d249d4cSJiri Pirko 16403d249d4cSJiri Pirko /* 16413d249d4cSJiri Pirko * note: already called with rcu_read_lock 16423d249d4cSJiri Pirko */ 16433d249d4cSJiri Pirko static netdev_tx_t team_xmit(struct sk_buff *skb, struct net_device *dev) 16443d249d4cSJiri Pirko { 16453d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 16468ff5105aSJiri Pirko bool tx_success; 16473d249d4cSJiri Pirko unsigned int len = skb->len; 16483d249d4cSJiri Pirko 16498ff5105aSJiri Pirko tx_success = team_queue_override_transmit(team, skb); 16508ff5105aSJiri Pirko if (!tx_success) 16513d249d4cSJiri Pirko tx_success = team->ops.transmit(team, skb); 16523d249d4cSJiri Pirko if (tx_success) { 16533d249d4cSJiri Pirko struct team_pcpu_stats *pcpu_stats; 16543d249d4cSJiri Pirko 16553d249d4cSJiri Pirko pcpu_stats = this_cpu_ptr(team->pcpu_stats); 16563d249d4cSJiri Pirko u64_stats_update_begin(&pcpu_stats->syncp); 16573d249d4cSJiri Pirko pcpu_stats->tx_packets++; 16583d249d4cSJiri Pirko pcpu_stats->tx_bytes += len; 16593d249d4cSJiri Pirko u64_stats_update_end(&pcpu_stats->syncp); 16603d249d4cSJiri Pirko } else { 16613d249d4cSJiri Pirko this_cpu_inc(team->pcpu_stats->tx_dropped); 16623d249d4cSJiri Pirko } 16633d249d4cSJiri Pirko 16643d249d4cSJiri Pirko return NETDEV_TX_OK; 16653d249d4cSJiri Pirko } 16663d249d4cSJiri Pirko 1667f663dd9aSJason Wang static u16 team_select_queue(struct net_device *dev, struct sk_buff *skb, 166899932d4fSDaniel Borkmann void *accel_priv, select_queue_fallback_t fallback) 16696c85f2bdSJiri Pirko { 16706c85f2bdSJiri Pirko /* 16716c85f2bdSJiri Pirko * This helper function exists to help dev_pick_tx get the correct 16726c85f2bdSJiri Pirko * destination queue. Using a helper function skips a call to 16736c85f2bdSJiri Pirko * skb_tx_hash and will put the skbs in the queue we expect on their 16746c85f2bdSJiri Pirko * way down to the team driver. 16756c85f2bdSJiri Pirko */ 16766c85f2bdSJiri Pirko u16 txq = skb_rx_queue_recorded(skb) ? skb_get_rx_queue(skb) : 0; 16776c85f2bdSJiri Pirko 16786c85f2bdSJiri Pirko /* 16796c85f2bdSJiri Pirko * Save the original txq to restore before passing to the driver 16806c85f2bdSJiri Pirko */ 16816c85f2bdSJiri Pirko qdisc_skb_cb(skb)->slave_dev_queue_mapping = skb->queue_mapping; 16826c85f2bdSJiri Pirko 16836c85f2bdSJiri Pirko if (unlikely(txq >= dev->real_num_tx_queues)) { 16846c85f2bdSJiri Pirko do { 16856c85f2bdSJiri Pirko txq -= dev->real_num_tx_queues; 16866c85f2bdSJiri Pirko } while (txq >= dev->real_num_tx_queues); 16876c85f2bdSJiri Pirko } 16886c85f2bdSJiri Pirko return txq; 16896c85f2bdSJiri Pirko } 16906c85f2bdSJiri Pirko 16913d249d4cSJiri Pirko static void team_change_rx_flags(struct net_device *dev, int change) 16923d249d4cSJiri Pirko { 16933d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 16943d249d4cSJiri Pirko struct team_port *port; 16953d249d4cSJiri Pirko int inc; 16963d249d4cSJiri Pirko 16973d249d4cSJiri Pirko rcu_read_lock(); 16983d249d4cSJiri Pirko list_for_each_entry_rcu(port, &team->port_list, list) { 16993d249d4cSJiri Pirko if (change & IFF_PROMISC) { 17003d249d4cSJiri Pirko inc = dev->flags & IFF_PROMISC ? 1 : -1; 17013d249d4cSJiri Pirko dev_set_promiscuity(port->dev, inc); 17023d249d4cSJiri Pirko } 17033d249d4cSJiri Pirko if (change & IFF_ALLMULTI) { 17043d249d4cSJiri Pirko inc = dev->flags & IFF_ALLMULTI ? 1 : -1; 17053d249d4cSJiri Pirko dev_set_allmulti(port->dev, inc); 17063d249d4cSJiri Pirko } 17073d249d4cSJiri Pirko } 17083d249d4cSJiri Pirko rcu_read_unlock(); 17093d249d4cSJiri Pirko } 17103d249d4cSJiri Pirko 17113d249d4cSJiri Pirko static void team_set_rx_mode(struct net_device *dev) 17123d249d4cSJiri Pirko { 17133d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 17143d249d4cSJiri Pirko struct team_port *port; 17153d249d4cSJiri Pirko 17163d249d4cSJiri Pirko rcu_read_lock(); 17173d249d4cSJiri Pirko list_for_each_entry_rcu(port, &team->port_list, list) { 171872b27032SVlad Yasevich dev_uc_sync_multiple(port->dev, dev); 171972b27032SVlad Yasevich dev_mc_sync_multiple(port->dev, dev); 17203d249d4cSJiri Pirko } 17213d249d4cSJiri Pirko rcu_read_unlock(); 17223d249d4cSJiri Pirko } 17233d249d4cSJiri Pirko 17243d249d4cSJiri Pirko static int team_set_mac_address(struct net_device *dev, void *p) 17253d249d4cSJiri Pirko { 17261d76efe1SJiri Pirko struct sockaddr *addr = p; 17273d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 17283d249d4cSJiri Pirko struct team_port *port; 17293d249d4cSJiri Pirko 17301d76efe1SJiri Pirko if (dev->type == ARPHRD_ETHER && !is_valid_ether_addr(addr->sa_data)) 17311d76efe1SJiri Pirko return -EADDRNOTAVAIL; 17321d76efe1SJiri Pirko memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); 17339215f437SJiri Pirko mutex_lock(&team->lock); 17349215f437SJiri Pirko list_for_each_entry(port, &team->port_list, list) 17351d76efe1SJiri Pirko if (team->ops.port_change_dev_addr) 17361d76efe1SJiri Pirko team->ops.port_change_dev_addr(team, port); 17379215f437SJiri Pirko mutex_unlock(&team->lock); 17383d249d4cSJiri Pirko return 0; 17393d249d4cSJiri Pirko } 17403d249d4cSJiri Pirko 17413d249d4cSJiri Pirko static int team_change_mtu(struct net_device *dev, int new_mtu) 17423d249d4cSJiri Pirko { 17433d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 17443d249d4cSJiri Pirko struct team_port *port; 17453d249d4cSJiri Pirko int err; 17463d249d4cSJiri Pirko 17473d249d4cSJiri Pirko /* 17483d249d4cSJiri Pirko * Alhough this is reader, it's guarded by team lock. It's not possible 17493d249d4cSJiri Pirko * to traverse list in reverse under rcu_read_lock 17503d249d4cSJiri Pirko */ 175161dc3461SJiri Pirko mutex_lock(&team->lock); 17529d0d68faSJiri Pirko team->port_mtu_change_allowed = true; 17533d249d4cSJiri Pirko list_for_each_entry(port, &team->port_list, list) { 17543d249d4cSJiri Pirko err = dev_set_mtu(port->dev, new_mtu); 17553d249d4cSJiri Pirko if (err) { 17563d249d4cSJiri Pirko netdev_err(dev, "Device %s failed to change mtu", 17573d249d4cSJiri Pirko port->dev->name); 17583d249d4cSJiri Pirko goto unwind; 17593d249d4cSJiri Pirko } 17603d249d4cSJiri Pirko } 17619d0d68faSJiri Pirko team->port_mtu_change_allowed = false; 176261dc3461SJiri Pirko mutex_unlock(&team->lock); 17633d249d4cSJiri Pirko 17643d249d4cSJiri Pirko dev->mtu = new_mtu; 17653d249d4cSJiri Pirko 17663d249d4cSJiri Pirko return 0; 17673d249d4cSJiri Pirko 17683d249d4cSJiri Pirko unwind: 17693d249d4cSJiri Pirko list_for_each_entry_continue_reverse(port, &team->port_list, list) 17703d249d4cSJiri Pirko dev_set_mtu(port->dev, dev->mtu); 17719d0d68faSJiri Pirko team->port_mtu_change_allowed = false; 177261dc3461SJiri Pirko mutex_unlock(&team->lock); 17733d249d4cSJiri Pirko 17743d249d4cSJiri Pirko return err; 17753d249d4cSJiri Pirko } 17763d249d4cSJiri Pirko 17773d249d4cSJiri Pirko static struct rtnl_link_stats64 * 17783d249d4cSJiri Pirko team_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats) 17793d249d4cSJiri Pirko { 17803d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 17813d249d4cSJiri Pirko struct team_pcpu_stats *p; 17823d249d4cSJiri Pirko u64 rx_packets, rx_bytes, rx_multicast, tx_packets, tx_bytes; 17833d249d4cSJiri Pirko u32 rx_dropped = 0, tx_dropped = 0; 17843d249d4cSJiri Pirko unsigned int start; 17853d249d4cSJiri Pirko int i; 17863d249d4cSJiri Pirko 17873d249d4cSJiri Pirko for_each_possible_cpu(i) { 17883d249d4cSJiri Pirko p = per_cpu_ptr(team->pcpu_stats, i); 17893d249d4cSJiri Pirko do { 179057a7744eSEric W. Biederman start = u64_stats_fetch_begin_irq(&p->syncp); 17913d249d4cSJiri Pirko rx_packets = p->rx_packets; 17923d249d4cSJiri Pirko rx_bytes = p->rx_bytes; 17933d249d4cSJiri Pirko rx_multicast = p->rx_multicast; 17943d249d4cSJiri Pirko tx_packets = p->tx_packets; 17953d249d4cSJiri Pirko tx_bytes = p->tx_bytes; 179657a7744eSEric W. Biederman } while (u64_stats_fetch_retry_irq(&p->syncp, start)); 17973d249d4cSJiri Pirko 17983d249d4cSJiri Pirko stats->rx_packets += rx_packets; 17993d249d4cSJiri Pirko stats->rx_bytes += rx_bytes; 18003d249d4cSJiri Pirko stats->multicast += rx_multicast; 18013d249d4cSJiri Pirko stats->tx_packets += tx_packets; 18023d249d4cSJiri Pirko stats->tx_bytes += tx_bytes; 18033d249d4cSJiri Pirko /* 18043d249d4cSJiri Pirko * rx_dropped & tx_dropped are u32, updated 18053d249d4cSJiri Pirko * without syncp protection. 18063d249d4cSJiri Pirko */ 18073d249d4cSJiri Pirko rx_dropped += p->rx_dropped; 18083d249d4cSJiri Pirko tx_dropped += p->tx_dropped; 18093d249d4cSJiri Pirko } 18103d249d4cSJiri Pirko stats->rx_dropped = rx_dropped; 18113d249d4cSJiri Pirko stats->tx_dropped = tx_dropped; 18123d249d4cSJiri Pirko return stats; 18133d249d4cSJiri Pirko } 18143d249d4cSJiri Pirko 181580d5c368SPatrick McHardy static int team_vlan_rx_add_vid(struct net_device *dev, __be16 proto, u16 vid) 18163d249d4cSJiri Pirko { 18173d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 18183d249d4cSJiri Pirko struct team_port *port; 181987002b03SJiri Pirko int err; 18203d249d4cSJiri Pirko 182187002b03SJiri Pirko /* 182287002b03SJiri Pirko * Alhough this is reader, it's guarded by team lock. It's not possible 182387002b03SJiri Pirko * to traverse list in reverse under rcu_read_lock 182487002b03SJiri Pirko */ 182587002b03SJiri Pirko mutex_lock(&team->lock); 182687002b03SJiri Pirko list_for_each_entry(port, &team->port_list, list) { 182780d5c368SPatrick McHardy err = vlan_vid_add(port->dev, proto, vid); 182887002b03SJiri Pirko if (err) 182987002b03SJiri Pirko goto unwind; 18303d249d4cSJiri Pirko } 183187002b03SJiri Pirko mutex_unlock(&team->lock); 18328e586137SJiri Pirko 18338e586137SJiri Pirko return 0; 183487002b03SJiri Pirko 183587002b03SJiri Pirko unwind: 183687002b03SJiri Pirko list_for_each_entry_continue_reverse(port, &team->port_list, list) 183780d5c368SPatrick McHardy vlan_vid_del(port->dev, proto, vid); 183887002b03SJiri Pirko mutex_unlock(&team->lock); 183987002b03SJiri Pirko 184087002b03SJiri Pirko return err; 18413d249d4cSJiri Pirko } 18423d249d4cSJiri Pirko 184380d5c368SPatrick McHardy static int team_vlan_rx_kill_vid(struct net_device *dev, __be16 proto, u16 vid) 18443d249d4cSJiri Pirko { 18453d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 18463d249d4cSJiri Pirko struct team_port *port; 18473d249d4cSJiri Pirko 18483d249d4cSJiri Pirko rcu_read_lock(); 184987002b03SJiri Pirko list_for_each_entry_rcu(port, &team->port_list, list) 185080d5c368SPatrick McHardy vlan_vid_del(port->dev, proto, vid); 18513d249d4cSJiri Pirko rcu_read_unlock(); 18528e586137SJiri Pirko 18538e586137SJiri Pirko return 0; 18543d249d4cSJiri Pirko } 18553d249d4cSJiri Pirko 1856bd2d0837SJiri Pirko #ifdef CONFIG_NET_POLL_CONTROLLER 1857bd2d0837SJiri Pirko static void team_poll_controller(struct net_device *dev) 1858bd2d0837SJiri Pirko { 1859bd2d0837SJiri Pirko } 1860bd2d0837SJiri Pirko 1861bd2d0837SJiri Pirko static void __team_netpoll_cleanup(struct team *team) 1862bd2d0837SJiri Pirko { 1863bd2d0837SJiri Pirko struct team_port *port; 1864bd2d0837SJiri Pirko 1865bd2d0837SJiri Pirko list_for_each_entry(port, &team->port_list, list) 1866bd2d0837SJiri Pirko team_port_disable_netpoll(port); 1867bd2d0837SJiri Pirko } 1868bd2d0837SJiri Pirko 1869bd2d0837SJiri Pirko static void team_netpoll_cleanup(struct net_device *dev) 1870bd2d0837SJiri Pirko { 1871bd2d0837SJiri Pirko struct team *team = netdev_priv(dev); 1872bd2d0837SJiri Pirko 1873bd2d0837SJiri Pirko mutex_lock(&team->lock); 1874bd2d0837SJiri Pirko __team_netpoll_cleanup(team); 1875bd2d0837SJiri Pirko mutex_unlock(&team->lock); 1876bd2d0837SJiri Pirko } 1877bd2d0837SJiri Pirko 1878bd2d0837SJiri Pirko static int team_netpoll_setup(struct net_device *dev, 1879a8779ec1SEric W. Biederman struct netpoll_info *npifo) 1880bd2d0837SJiri Pirko { 1881bd2d0837SJiri Pirko struct team *team = netdev_priv(dev); 1882bd2d0837SJiri Pirko struct team_port *port; 18833324d024SJiri Pirko int err = 0; 1884bd2d0837SJiri Pirko 1885bd2d0837SJiri Pirko mutex_lock(&team->lock); 1886bd2d0837SJiri Pirko list_for_each_entry(port, &team->port_list, list) { 1887a8779ec1SEric W. Biederman err = team_port_enable_netpoll(team, port); 1888bd2d0837SJiri Pirko if (err) { 1889bd2d0837SJiri Pirko __team_netpoll_cleanup(team); 1890bd2d0837SJiri Pirko break; 1891bd2d0837SJiri Pirko } 1892bd2d0837SJiri Pirko } 1893bd2d0837SJiri Pirko mutex_unlock(&team->lock); 1894bd2d0837SJiri Pirko return err; 1895bd2d0837SJiri Pirko } 1896bd2d0837SJiri Pirko #endif 1897bd2d0837SJiri Pirko 18983d249d4cSJiri Pirko static int team_add_slave(struct net_device *dev, struct net_device *port_dev) 18993d249d4cSJiri Pirko { 19003d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 19013d249d4cSJiri Pirko int err; 19023d249d4cSJiri Pirko 190361dc3461SJiri Pirko mutex_lock(&team->lock); 19043d249d4cSJiri Pirko err = team_port_add(team, port_dev); 190561dc3461SJiri Pirko mutex_unlock(&team->lock); 19063d249d4cSJiri Pirko return err; 19073d249d4cSJiri Pirko } 19083d249d4cSJiri Pirko 19093d249d4cSJiri Pirko static int team_del_slave(struct net_device *dev, struct net_device *port_dev) 19103d249d4cSJiri Pirko { 19113d249d4cSJiri Pirko struct team *team = netdev_priv(dev); 19123d249d4cSJiri Pirko int err; 19133d249d4cSJiri Pirko 191461dc3461SJiri Pirko mutex_lock(&team->lock); 19153d249d4cSJiri Pirko err = team_port_del(team, port_dev); 191661dc3461SJiri Pirko mutex_unlock(&team->lock); 19173d249d4cSJiri Pirko return err; 19183d249d4cSJiri Pirko } 19193d249d4cSJiri Pirko 1920234a8fd4SJiri Pirko static netdev_features_t team_fix_features(struct net_device *dev, 1921234a8fd4SJiri Pirko netdev_features_t features) 1922234a8fd4SJiri Pirko { 1923234a8fd4SJiri Pirko struct team_port *port; 1924234a8fd4SJiri Pirko struct team *team = netdev_priv(dev); 1925234a8fd4SJiri Pirko netdev_features_t mask; 1926234a8fd4SJiri Pirko 19277889cbeeSScott Feldman mask = features; 1928234a8fd4SJiri Pirko features &= ~NETIF_F_ONE_FOR_ALL; 1929234a8fd4SJiri Pirko features |= NETIF_F_ALL_FOR_ALL; 1930234a8fd4SJiri Pirko 1931234a8fd4SJiri Pirko rcu_read_lock(); 1932234a8fd4SJiri Pirko list_for_each_entry_rcu(port, &team->port_list, list) { 1933234a8fd4SJiri Pirko features = netdev_increment_features(features, 1934234a8fd4SJiri Pirko port->dev->features, 1935234a8fd4SJiri Pirko mask); 1936234a8fd4SJiri Pirko } 1937234a8fd4SJiri Pirko rcu_read_unlock(); 1938247f6d0fSJiri Pirko 1939247f6d0fSJiri Pirko features = netdev_add_tso_features(features, mask); 1940247f6d0fSJiri Pirko 1941234a8fd4SJiri Pirko return features; 1942234a8fd4SJiri Pirko } 1943234a8fd4SJiri Pirko 19444cafe373SFlavio Leitner static int team_change_carrier(struct net_device *dev, bool new_carrier) 19454cafe373SFlavio Leitner { 1946e185483eSFlavio Leitner struct team *team = netdev_priv(dev); 1947e185483eSFlavio Leitner 1948e185483eSFlavio Leitner team->user_carrier_enabled = true; 1949e185483eSFlavio Leitner 19504cafe373SFlavio Leitner if (new_carrier) 19514cafe373SFlavio Leitner netif_carrier_on(dev); 19524cafe373SFlavio Leitner else 19534cafe373SFlavio Leitner netif_carrier_off(dev); 19544cafe373SFlavio Leitner return 0; 19554cafe373SFlavio Leitner } 19564cafe373SFlavio Leitner 19573d249d4cSJiri Pirko static const struct net_device_ops team_netdev_ops = { 19583d249d4cSJiri Pirko .ndo_init = team_init, 19593d249d4cSJiri Pirko .ndo_uninit = team_uninit, 19603d249d4cSJiri Pirko .ndo_open = team_open, 19613d249d4cSJiri Pirko .ndo_stop = team_close, 19623d249d4cSJiri Pirko .ndo_start_xmit = team_xmit, 19636c85f2bdSJiri Pirko .ndo_select_queue = team_select_queue, 19643d249d4cSJiri Pirko .ndo_change_rx_flags = team_change_rx_flags, 19653d249d4cSJiri Pirko .ndo_set_rx_mode = team_set_rx_mode, 19663d249d4cSJiri Pirko .ndo_set_mac_address = team_set_mac_address, 19673d249d4cSJiri Pirko .ndo_change_mtu = team_change_mtu, 19683d249d4cSJiri Pirko .ndo_get_stats64 = team_get_stats64, 19693d249d4cSJiri Pirko .ndo_vlan_rx_add_vid = team_vlan_rx_add_vid, 19703d249d4cSJiri Pirko .ndo_vlan_rx_kill_vid = team_vlan_rx_kill_vid, 1971bd2d0837SJiri Pirko #ifdef CONFIG_NET_POLL_CONTROLLER 1972bd2d0837SJiri Pirko .ndo_poll_controller = team_poll_controller, 1973bd2d0837SJiri Pirko .ndo_netpoll_setup = team_netpoll_setup, 1974bd2d0837SJiri Pirko .ndo_netpoll_cleanup = team_netpoll_cleanup, 1975bd2d0837SJiri Pirko #endif 19763d249d4cSJiri Pirko .ndo_add_slave = team_add_slave, 19773d249d4cSJiri Pirko .ndo_del_slave = team_del_slave, 1978234a8fd4SJiri Pirko .ndo_fix_features = team_fix_features, 19794cafe373SFlavio Leitner .ndo_change_carrier = team_change_carrier, 1980fc8f40d8SScott Feldman .ndo_bridge_setlink = switchdev_port_bridge_setlink, 198185fdb956SScott Feldman .ndo_bridge_getlink = switchdev_port_bridge_getlink, 198254ba5a0bSScott Feldman .ndo_bridge_dellink = switchdev_port_bridge_dellink, 198345d4122cSSamudrala, Sridhar .ndo_fdb_add = switchdev_port_fdb_add, 198445d4122cSSamudrala, Sridhar .ndo_fdb_del = switchdev_port_fdb_del, 198545d4122cSSamudrala, Sridhar .ndo_fdb_dump = switchdev_port_fdb_dump, 1986b9f4cf75SToshiaki Makita .ndo_features_check = passthru_features_check, 19873d249d4cSJiri Pirko }; 19883d249d4cSJiri Pirko 19897f51c587SFlavio Leitner /*********************** 19907f51c587SFlavio Leitner * ethtool interface 19917f51c587SFlavio Leitner ***********************/ 19927f51c587SFlavio Leitner 19937f51c587SFlavio Leitner static void team_ethtool_get_drvinfo(struct net_device *dev, 19947f51c587SFlavio Leitner struct ethtool_drvinfo *drvinfo) 19957f51c587SFlavio Leitner { 19963066af58SFlavio Leitner strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver)); 19973066af58SFlavio Leitner strlcpy(drvinfo->version, UTS_RELEASE, sizeof(drvinfo->version)); 19987f51c587SFlavio Leitner } 19997f51c587SFlavio Leitner 20007f51c587SFlavio Leitner static const struct ethtool_ops team_ethtool_ops = { 20017f51c587SFlavio Leitner .get_drvinfo = team_ethtool_get_drvinfo, 20027f51c587SFlavio Leitner .get_link = ethtool_op_get_link, 20037f51c587SFlavio Leitner }; 20043d249d4cSJiri Pirko 20053d249d4cSJiri Pirko /*********************** 20063d249d4cSJiri Pirko * rt netlink interface 20073d249d4cSJiri Pirko ***********************/ 20083d249d4cSJiri Pirko 20091d76efe1SJiri Pirko static void team_setup_by_port(struct net_device *dev, 20101d76efe1SJiri Pirko struct net_device *port_dev) 20111d76efe1SJiri Pirko { 20121d76efe1SJiri Pirko dev->header_ops = port_dev->header_ops; 20131d76efe1SJiri Pirko dev->type = port_dev->type; 20141d76efe1SJiri Pirko dev->hard_header_len = port_dev->hard_header_len; 20151d76efe1SJiri Pirko dev->addr_len = port_dev->addr_len; 20161d76efe1SJiri Pirko dev->mtu = port_dev->mtu; 20171d76efe1SJiri Pirko memcpy(dev->broadcast, port_dev->broadcast, port_dev->addr_len); 201893af7357SBjørn Mork eth_hw_addr_inherit(dev, port_dev); 20191d76efe1SJiri Pirko } 20201d76efe1SJiri Pirko 20211d76efe1SJiri Pirko static int team_dev_type_check_change(struct net_device *dev, 20221d76efe1SJiri Pirko struct net_device *port_dev) 20231d76efe1SJiri Pirko { 20241d76efe1SJiri Pirko struct team *team = netdev_priv(dev); 20251d76efe1SJiri Pirko char *portname = port_dev->name; 20261d76efe1SJiri Pirko int err; 20271d76efe1SJiri Pirko 20281d76efe1SJiri Pirko if (dev->type == port_dev->type) 20291d76efe1SJiri Pirko return 0; 20301d76efe1SJiri Pirko if (!list_empty(&team->port_list)) { 20311d76efe1SJiri Pirko netdev_err(dev, "Device %s is of different type\n", portname); 20321d76efe1SJiri Pirko return -EBUSY; 20331d76efe1SJiri Pirko } 20341d76efe1SJiri Pirko err = call_netdevice_notifiers(NETDEV_PRE_TYPE_CHANGE, dev); 20351d76efe1SJiri Pirko err = notifier_to_errno(err); 20361d76efe1SJiri Pirko if (err) { 20371d76efe1SJiri Pirko netdev_err(dev, "Refused to change device type\n"); 20381d76efe1SJiri Pirko return err; 20391d76efe1SJiri Pirko } 20401d76efe1SJiri Pirko dev_uc_flush(dev); 20411d76efe1SJiri Pirko dev_mc_flush(dev); 20421d76efe1SJiri Pirko team_setup_by_port(dev, port_dev); 20431d76efe1SJiri Pirko call_netdevice_notifiers(NETDEV_POST_TYPE_CHANGE, dev); 20441d76efe1SJiri Pirko return 0; 20451d76efe1SJiri Pirko } 20461d76efe1SJiri Pirko 20473d249d4cSJiri Pirko static void team_setup(struct net_device *dev) 20483d249d4cSJiri Pirko { 20493d249d4cSJiri Pirko ether_setup(dev); 20503d249d4cSJiri Pirko 20513d249d4cSJiri Pirko dev->netdev_ops = &team_netdev_ops; 20527f51c587SFlavio Leitner dev->ethtool_ops = &team_ethtool_ops; 20533d249d4cSJiri Pirko dev->destructor = team_destructor; 20543d249d4cSJiri Pirko dev->flags |= IFF_MULTICAST; 20553d249d4cSJiri Pirko dev->priv_flags &= ~(IFF_XMIT_DST_RELEASE | IFF_TX_SKB_SHARING); 205622e380a6SPhil Sutter dev->priv_flags |= IFF_NO_QUEUE; 2057c981e421SJiri Pirko dev->priv_flags |= IFF_TEAM; 20583d249d4cSJiri Pirko 20593d249d4cSJiri Pirko /* 20603d249d4cSJiri Pirko * Indicate we support unicast address filtering. That way core won't 20613d249d4cSJiri Pirko * bring us to promisc mode in case a unicast addr is added. 20623d249d4cSJiri Pirko * Let this up to underlay drivers. 20633d249d4cSJiri Pirko */ 20645a1d1c8cSJiri Pirko dev->priv_flags |= IFF_UNICAST_FLT | IFF_LIVE_ADDR_CHANGE; 20653d249d4cSJiri Pirko 20663d249d4cSJiri Pirko dev->features |= NETIF_F_LLTX; 20673d249d4cSJiri Pirko dev->features |= NETIF_F_GRO; 206899301ba1SWeilong Chen 206999301ba1SWeilong Chen /* Don't allow team devices to change network namespaces. */ 207099301ba1SWeilong Chen dev->features |= NETIF_F_NETNS_LOCAL; 207199301ba1SWeilong Chen 20723ed71471SJiri Pirko dev->hw_features = TEAM_VLAN_FEATURES | 2073f646968fSPatrick McHardy NETIF_F_HW_VLAN_CTAG_TX | 2074f646968fSPatrick McHardy NETIF_F_HW_VLAN_CTAG_RX | 2075f646968fSPatrick McHardy NETIF_F_HW_VLAN_CTAG_FILTER; 20763d249d4cSJiri Pirko 20773ed71471SJiri Pirko dev->hw_features &= ~(NETIF_F_ALL_CSUM & ~NETIF_F_HW_CSUM); 20783d249d4cSJiri Pirko dev->features |= dev->hw_features; 20793d249d4cSJiri Pirko } 20803d249d4cSJiri Pirko 20813d249d4cSJiri Pirko static int team_newlink(struct net *src_net, struct net_device *dev, 20823d249d4cSJiri Pirko struct nlattr *tb[], struct nlattr *data[]) 20833d249d4cSJiri Pirko { 20843d249d4cSJiri Pirko if (tb[IFLA_ADDRESS] == NULL) 20857ce5d222SDanny Kukawka eth_hw_addr_random(dev); 20863d249d4cSJiri Pirko 2087ff204cceSToshiaki Makita return register_netdevice(dev); 20883d249d4cSJiri Pirko } 20893d249d4cSJiri Pirko 20903d249d4cSJiri Pirko static int team_validate(struct nlattr *tb[], struct nlattr *data[]) 20913d249d4cSJiri Pirko { 20923d249d4cSJiri Pirko if (tb[IFLA_ADDRESS]) { 20933d249d4cSJiri Pirko if (nla_len(tb[IFLA_ADDRESS]) != ETH_ALEN) 20943d249d4cSJiri Pirko return -EINVAL; 20953d249d4cSJiri Pirko if (!is_valid_ether_addr(nla_data(tb[IFLA_ADDRESS]))) 20963d249d4cSJiri Pirko return -EADDRNOTAVAIL; 20973d249d4cSJiri Pirko } 20983d249d4cSJiri Pirko return 0; 20993d249d4cSJiri Pirko } 21003d249d4cSJiri Pirko 21016c85f2bdSJiri Pirko static unsigned int team_get_num_tx_queues(void) 21026c85f2bdSJiri Pirko { 21036c85f2bdSJiri Pirko return TEAM_DEFAULT_NUM_TX_QUEUES; 21046c85f2bdSJiri Pirko } 21056c85f2bdSJiri Pirko 21066c85f2bdSJiri Pirko static unsigned int team_get_num_rx_queues(void) 21076c85f2bdSJiri Pirko { 21086c85f2bdSJiri Pirko return TEAM_DEFAULT_NUM_RX_QUEUES; 21096c85f2bdSJiri Pirko } 21106c85f2bdSJiri Pirko 21113d249d4cSJiri Pirko static struct rtnl_link_ops team_link_ops __read_mostly = { 21123d249d4cSJiri Pirko .kind = DRV_NAME, 21133d249d4cSJiri Pirko .priv_size = sizeof(struct team), 21143d249d4cSJiri Pirko .setup = team_setup, 21153d249d4cSJiri Pirko .newlink = team_newlink, 21163d249d4cSJiri Pirko .validate = team_validate, 21176c85f2bdSJiri Pirko .get_num_tx_queues = team_get_num_tx_queues, 21186c85f2bdSJiri Pirko .get_num_rx_queues = team_get_num_rx_queues, 21193d249d4cSJiri Pirko }; 21203d249d4cSJiri Pirko 21213d249d4cSJiri Pirko 21223d249d4cSJiri Pirko /*********************************** 21233d249d4cSJiri Pirko * Generic netlink custom interface 21243d249d4cSJiri Pirko ***********************************/ 21253d249d4cSJiri Pirko 21263d249d4cSJiri Pirko static struct genl_family team_nl_family = { 21273d249d4cSJiri Pirko .id = GENL_ID_GENERATE, 21283d249d4cSJiri Pirko .name = TEAM_GENL_NAME, 21293d249d4cSJiri Pirko .version = TEAM_GENL_VERSION, 21303d249d4cSJiri Pirko .maxattr = TEAM_ATTR_MAX, 21313d249d4cSJiri Pirko .netnsok = true, 21323d249d4cSJiri Pirko }; 21333d249d4cSJiri Pirko 21343d249d4cSJiri Pirko static const struct nla_policy team_nl_policy[TEAM_ATTR_MAX + 1] = { 21353d249d4cSJiri Pirko [TEAM_ATTR_UNSPEC] = { .type = NLA_UNSPEC, }, 21363d249d4cSJiri Pirko [TEAM_ATTR_TEAM_IFINDEX] = { .type = NLA_U32 }, 21373d249d4cSJiri Pirko [TEAM_ATTR_LIST_OPTION] = { .type = NLA_NESTED }, 21383d249d4cSJiri Pirko [TEAM_ATTR_LIST_PORT] = { .type = NLA_NESTED }, 21393d249d4cSJiri Pirko }; 21403d249d4cSJiri Pirko 21413d249d4cSJiri Pirko static const struct nla_policy 21423d249d4cSJiri Pirko team_nl_option_policy[TEAM_ATTR_OPTION_MAX + 1] = { 21433d249d4cSJiri Pirko [TEAM_ATTR_OPTION_UNSPEC] = { .type = NLA_UNSPEC, }, 21443d249d4cSJiri Pirko [TEAM_ATTR_OPTION_NAME] = { 21453d249d4cSJiri Pirko .type = NLA_STRING, 21463d249d4cSJiri Pirko .len = TEAM_STRING_MAX_LEN, 21473d249d4cSJiri Pirko }, 21483d249d4cSJiri Pirko [TEAM_ATTR_OPTION_CHANGED] = { .type = NLA_FLAG }, 21493d249d4cSJiri Pirko [TEAM_ATTR_OPTION_TYPE] = { .type = NLA_U8 }, 21502615598fSJiri Pirko [TEAM_ATTR_OPTION_DATA] = { .type = NLA_BINARY }, 21513d249d4cSJiri Pirko }; 21523d249d4cSJiri Pirko 21533d249d4cSJiri Pirko static int team_nl_cmd_noop(struct sk_buff *skb, struct genl_info *info) 21543d249d4cSJiri Pirko { 21553d249d4cSJiri Pirko struct sk_buff *msg; 21563d249d4cSJiri Pirko void *hdr; 21573d249d4cSJiri Pirko int err; 21583d249d4cSJiri Pirko 215958050fceSThomas Graf msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); 21603d249d4cSJiri Pirko if (!msg) 21613d249d4cSJiri Pirko return -ENOMEM; 21623d249d4cSJiri Pirko 216315e47304SEric W. Biederman hdr = genlmsg_put(msg, info->snd_portid, info->snd_seq, 21643d249d4cSJiri Pirko &team_nl_family, 0, TEAM_CMD_NOOP); 2165a326e6ddSWei Yongjun if (!hdr) { 2166a326e6ddSWei Yongjun err = -EMSGSIZE; 21673d249d4cSJiri Pirko goto err_msg_put; 21683d249d4cSJiri Pirko } 21693d249d4cSJiri Pirko 21703d249d4cSJiri Pirko genlmsg_end(msg, hdr); 21713d249d4cSJiri Pirko 217215e47304SEric W. Biederman return genlmsg_unicast(genl_info_net(info), msg, info->snd_portid); 21733d249d4cSJiri Pirko 21743d249d4cSJiri Pirko err_msg_put: 21753d249d4cSJiri Pirko nlmsg_free(msg); 21763d249d4cSJiri Pirko 21773d249d4cSJiri Pirko return err; 21783d249d4cSJiri Pirko } 21793d249d4cSJiri Pirko 21803d249d4cSJiri Pirko /* 21813d249d4cSJiri Pirko * Netlink cmd functions should be locked by following two functions. 21828c0713a5SJiri Pirko * Since dev gets held here, that ensures dev won't disappear in between. 21833d249d4cSJiri Pirko */ 21843d249d4cSJiri Pirko static struct team *team_nl_team_get(struct genl_info *info) 21853d249d4cSJiri Pirko { 21863d249d4cSJiri Pirko struct net *net = genl_info_net(info); 21873d249d4cSJiri Pirko int ifindex; 21883d249d4cSJiri Pirko struct net_device *dev; 21893d249d4cSJiri Pirko struct team *team; 21903d249d4cSJiri Pirko 21913d249d4cSJiri Pirko if (!info->attrs[TEAM_ATTR_TEAM_IFINDEX]) 21923d249d4cSJiri Pirko return NULL; 21933d249d4cSJiri Pirko 21943d249d4cSJiri Pirko ifindex = nla_get_u32(info->attrs[TEAM_ATTR_TEAM_IFINDEX]); 21958c0713a5SJiri Pirko dev = dev_get_by_index(net, ifindex); 21963d249d4cSJiri Pirko if (!dev || dev->netdev_ops != &team_netdev_ops) { 21978c0713a5SJiri Pirko if (dev) 21988c0713a5SJiri Pirko dev_put(dev); 21993d249d4cSJiri Pirko return NULL; 22003d249d4cSJiri Pirko } 22013d249d4cSJiri Pirko 22023d249d4cSJiri Pirko team = netdev_priv(dev); 220361dc3461SJiri Pirko mutex_lock(&team->lock); 22043d249d4cSJiri Pirko return team; 22053d249d4cSJiri Pirko } 22063d249d4cSJiri Pirko 22073d249d4cSJiri Pirko static void team_nl_team_put(struct team *team) 22083d249d4cSJiri Pirko { 220961dc3461SJiri Pirko mutex_unlock(&team->lock); 22108c0713a5SJiri Pirko dev_put(team->dev); 22113d249d4cSJiri Pirko } 22123d249d4cSJiri Pirko 22139b00cf2dSJiri Pirko typedef int team_nl_send_func_t(struct sk_buff *skb, 221415e47304SEric W. Biederman struct team *team, u32 portid); 22159b00cf2dSJiri Pirko 221615e47304SEric W. Biederman static int team_nl_send_unicast(struct sk_buff *skb, struct team *team, u32 portid) 22179b00cf2dSJiri Pirko { 221815e47304SEric W. Biederman return genlmsg_unicast(dev_net(team->dev), skb, portid); 22199b00cf2dSJiri Pirko } 22209b00cf2dSJiri Pirko 222101048d9aSJiri Pirko static int team_nl_fill_one_option_get(struct sk_buff *skb, struct team *team, 222201048d9aSJiri Pirko struct team_option_inst *opt_inst) 22233d249d4cSJiri Pirko { 22243d249d4cSJiri Pirko struct nlattr *option_item; 222580f7c668SJiri Pirko struct team_option *option = opt_inst->option; 22269b00cf2dSJiri Pirko struct team_option_inst_info *opt_inst_info = &opt_inst->info; 222780f7c668SJiri Pirko struct team_gsetter_ctx ctx; 222801048d9aSJiri Pirko int err; 22293d249d4cSJiri Pirko 22309b00cf2dSJiri Pirko ctx.info = opt_inst_info; 22319b00cf2dSJiri Pirko err = team_option_get(team, opt_inst, &ctx); 22329b00cf2dSJiri Pirko if (err) 22339b00cf2dSJiri Pirko return err; 22349b00cf2dSJiri Pirko 22353d249d4cSJiri Pirko option_item = nla_nest_start(skb, TEAM_ATTR_ITEM_OPTION); 22363d249d4cSJiri Pirko if (!option_item) 22379b00cf2dSJiri Pirko return -EMSGSIZE; 223885d59a87SJiri Pirko 22399b00cf2dSJiri Pirko if (nla_put_string(skb, TEAM_ATTR_OPTION_NAME, option->name)) 22409b00cf2dSJiri Pirko goto nest_cancel; 224185d59a87SJiri Pirko if (opt_inst_info->port && 224280f7c668SJiri Pirko nla_put_u32(skb, TEAM_ATTR_OPTION_PORT_IFINDEX, 224385d59a87SJiri Pirko opt_inst_info->port->dev->ifindex)) 22449b00cf2dSJiri Pirko goto nest_cancel; 2245b1303326SJiri Pirko if (opt_inst->option->array_size && 2246b1303326SJiri Pirko nla_put_u32(skb, TEAM_ATTR_OPTION_ARRAY_INDEX, 224785d59a87SJiri Pirko opt_inst_info->array_index)) 22489b00cf2dSJiri Pirko goto nest_cancel; 224985d59a87SJiri Pirko 22503d249d4cSJiri Pirko switch (option->type) { 22513d249d4cSJiri Pirko case TEAM_OPTION_TYPE_U32: 225286ebb02dSDavid S. Miller if (nla_put_u8(skb, TEAM_ATTR_OPTION_TYPE, NLA_U32)) 22539b00cf2dSJiri Pirko goto nest_cancel; 225401048d9aSJiri Pirko if (nla_put_u32(skb, TEAM_ATTR_OPTION_DATA, ctx.data.u32_val)) 22559b00cf2dSJiri Pirko goto nest_cancel; 22563d249d4cSJiri Pirko break; 22573d249d4cSJiri Pirko case TEAM_OPTION_TYPE_STRING: 225886ebb02dSDavid S. Miller if (nla_put_u8(skb, TEAM_ATTR_OPTION_TYPE, NLA_STRING)) 22599b00cf2dSJiri Pirko goto nest_cancel; 226086ebb02dSDavid S. Miller if (nla_put_string(skb, TEAM_ATTR_OPTION_DATA, 226180f7c668SJiri Pirko ctx.data.str_val)) 22629b00cf2dSJiri Pirko goto nest_cancel; 22633d249d4cSJiri Pirko break; 22642615598fSJiri Pirko case TEAM_OPTION_TYPE_BINARY: 22652615598fSJiri Pirko if (nla_put_u8(skb, TEAM_ATTR_OPTION_TYPE, NLA_BINARY)) 22669b00cf2dSJiri Pirko goto nest_cancel; 226701048d9aSJiri Pirko if (nla_put(skb, TEAM_ATTR_OPTION_DATA, ctx.data.bin_val.len, 226801048d9aSJiri Pirko ctx.data.bin_val.ptr)) 22699b00cf2dSJiri Pirko goto nest_cancel; 22702615598fSJiri Pirko break; 227114f066baSJiri Pirko case TEAM_OPTION_TYPE_BOOL: 227214f066baSJiri Pirko if (nla_put_u8(skb, TEAM_ATTR_OPTION_TYPE, NLA_FLAG)) 22739b00cf2dSJiri Pirko goto nest_cancel; 227414f066baSJiri Pirko if (ctx.data.bool_val && 227514f066baSJiri Pirko nla_put_flag(skb, TEAM_ATTR_OPTION_DATA)) 22769b00cf2dSJiri Pirko goto nest_cancel; 227714f066baSJiri Pirko break; 227869821638SJiri Pirko case TEAM_OPTION_TYPE_S32: 227969821638SJiri Pirko if (nla_put_u8(skb, TEAM_ATTR_OPTION_TYPE, NLA_S32)) 228069821638SJiri Pirko goto nest_cancel; 228169821638SJiri Pirko if (nla_put_s32(skb, TEAM_ATTR_OPTION_DATA, ctx.data.s32_val)) 228269821638SJiri Pirko goto nest_cancel; 228369821638SJiri Pirko break; 22843d249d4cSJiri Pirko default: 22853d249d4cSJiri Pirko BUG(); 22863d249d4cSJiri Pirko } 22879b00cf2dSJiri Pirko if (opt_inst->removed && nla_put_flag(skb, TEAM_ATTR_OPTION_REMOVED)) 22889b00cf2dSJiri Pirko goto nest_cancel; 22899b00cf2dSJiri Pirko if (opt_inst->changed) { 22909b00cf2dSJiri Pirko if (nla_put_flag(skb, TEAM_ATTR_OPTION_CHANGED)) 22919b00cf2dSJiri Pirko goto nest_cancel; 22929b00cf2dSJiri Pirko opt_inst->changed = false; 22939b00cf2dSJiri Pirko } 22943d249d4cSJiri Pirko nla_nest_end(skb, option_item); 229501048d9aSJiri Pirko return 0; 229601048d9aSJiri Pirko 22979b00cf2dSJiri Pirko nest_cancel: 22989b00cf2dSJiri Pirko nla_nest_cancel(skb, option_item); 22999b00cf2dSJiri Pirko return -EMSGSIZE; 230001048d9aSJiri Pirko } 230101048d9aSJiri Pirko 23029b00cf2dSJiri Pirko static int __send_and_alloc_skb(struct sk_buff **pskb, 230315e47304SEric W. Biederman struct team *team, u32 portid, 23049b00cf2dSJiri Pirko team_nl_send_func_t *send_func) 23059b00cf2dSJiri Pirko { 23069b00cf2dSJiri Pirko int err; 23079b00cf2dSJiri Pirko 23089b00cf2dSJiri Pirko if (*pskb) { 230915e47304SEric W. Biederman err = send_func(*pskb, team, portid); 23109b00cf2dSJiri Pirko if (err) 23119b00cf2dSJiri Pirko return err; 23129b00cf2dSJiri Pirko } 231358050fceSThomas Graf *pskb = genlmsg_new(GENLMSG_DEFAULT_SIZE, GFP_KERNEL); 23149b00cf2dSJiri Pirko if (!*pskb) 23159b00cf2dSJiri Pirko return -ENOMEM; 23169b00cf2dSJiri Pirko return 0; 23179b00cf2dSJiri Pirko } 23189b00cf2dSJiri Pirko 231915e47304SEric W. Biederman static int team_nl_send_options_get(struct team *team, u32 portid, u32 seq, 23209b00cf2dSJiri Pirko int flags, team_nl_send_func_t *send_func, 232101048d9aSJiri Pirko struct list_head *sel_opt_inst_list) 232201048d9aSJiri Pirko { 232301048d9aSJiri Pirko struct nlattr *option_list; 23249b00cf2dSJiri Pirko struct nlmsghdr *nlh; 232501048d9aSJiri Pirko void *hdr; 232601048d9aSJiri Pirko struct team_option_inst *opt_inst; 232701048d9aSJiri Pirko int err; 23289b00cf2dSJiri Pirko struct sk_buff *skb = NULL; 23299b00cf2dSJiri Pirko bool incomplete; 23309b00cf2dSJiri Pirko int i; 233101048d9aSJiri Pirko 23329b00cf2dSJiri Pirko opt_inst = list_first_entry(sel_opt_inst_list, 23339b00cf2dSJiri Pirko struct team_option_inst, tmp_list); 23349b00cf2dSJiri Pirko 23359b00cf2dSJiri Pirko start_again: 233615e47304SEric W. Biederman err = __send_and_alloc_skb(&skb, team, portid, send_func); 23379b00cf2dSJiri Pirko if (err) 23389b00cf2dSJiri Pirko return err; 23399b00cf2dSJiri Pirko 234015e47304SEric W. Biederman hdr = genlmsg_put(skb, portid, seq, &team_nl_family, flags | NLM_F_MULTI, 234101048d9aSJiri Pirko TEAM_CMD_OPTIONS_GET); 2342a326e6ddSWei Yongjun if (!hdr) 2343a326e6ddSWei Yongjun return -EMSGSIZE; 234401048d9aSJiri Pirko 234501048d9aSJiri Pirko if (nla_put_u32(skb, TEAM_ATTR_TEAM_IFINDEX, team->dev->ifindex)) 234601048d9aSJiri Pirko goto nla_put_failure; 234701048d9aSJiri Pirko option_list = nla_nest_start(skb, TEAM_ATTR_LIST_OPTION); 234801048d9aSJiri Pirko if (!option_list) 234901048d9aSJiri Pirko goto nla_put_failure; 235001048d9aSJiri Pirko 23519b00cf2dSJiri Pirko i = 0; 23529b00cf2dSJiri Pirko incomplete = false; 23539b00cf2dSJiri Pirko list_for_each_entry_from(opt_inst, sel_opt_inst_list, tmp_list) { 235401048d9aSJiri Pirko err = team_nl_fill_one_option_get(skb, team, opt_inst); 23559b00cf2dSJiri Pirko if (err) { 23569b00cf2dSJiri Pirko if (err == -EMSGSIZE) { 23579b00cf2dSJiri Pirko if (!i) 235801048d9aSJiri Pirko goto errout; 23599b00cf2dSJiri Pirko incomplete = true; 23609b00cf2dSJiri Pirko break; 23619b00cf2dSJiri Pirko } 23629b00cf2dSJiri Pirko goto errout; 23639b00cf2dSJiri Pirko } 23649b00cf2dSJiri Pirko i++; 23653d249d4cSJiri Pirko } 23663d249d4cSJiri Pirko 23673d249d4cSJiri Pirko nla_nest_end(skb, option_list); 23689b00cf2dSJiri Pirko genlmsg_end(skb, hdr); 23699b00cf2dSJiri Pirko if (incomplete) 23709b00cf2dSJiri Pirko goto start_again; 23719b00cf2dSJiri Pirko 23729b00cf2dSJiri Pirko send_done: 237315e47304SEric W. Biederman nlh = nlmsg_put(skb, portid, seq, NLMSG_DONE, 0, flags | NLM_F_MULTI); 23749b00cf2dSJiri Pirko if (!nlh) { 237515e47304SEric W. Biederman err = __send_and_alloc_skb(&skb, team, portid, send_func); 23769b00cf2dSJiri Pirko if (err) 23779b00cf2dSJiri Pirko goto errout; 23789b00cf2dSJiri Pirko goto send_done; 23799b00cf2dSJiri Pirko } 23809b00cf2dSJiri Pirko 238115e47304SEric W. Biederman return send_func(skb, team, portid); 23823d249d4cSJiri Pirko 23833d249d4cSJiri Pirko nla_put_failure: 238480f7c668SJiri Pirko err = -EMSGSIZE; 238580f7c668SJiri Pirko errout: 23863d249d4cSJiri Pirko genlmsg_cancel(skb, hdr); 23879b00cf2dSJiri Pirko nlmsg_free(skb); 238880f7c668SJiri Pirko return err; 23893d249d4cSJiri Pirko } 23903d249d4cSJiri Pirko 23913d249d4cSJiri Pirko static int team_nl_cmd_options_get(struct sk_buff *skb, struct genl_info *info) 23923d249d4cSJiri Pirko { 23933d249d4cSJiri Pirko struct team *team; 23949b00cf2dSJiri Pirko struct team_option_inst *opt_inst; 23953d249d4cSJiri Pirko int err; 23969b00cf2dSJiri Pirko LIST_HEAD(sel_opt_inst_list); 23973d249d4cSJiri Pirko 23983d249d4cSJiri Pirko team = team_nl_team_get(info); 23993d249d4cSJiri Pirko if (!team) 24003d249d4cSJiri Pirko return -EINVAL; 24013d249d4cSJiri Pirko 24029b00cf2dSJiri Pirko list_for_each_entry(opt_inst, &team->option_inst_list, list) 24039b00cf2dSJiri Pirko list_add_tail(&opt_inst->tmp_list, &sel_opt_inst_list); 240415e47304SEric W. Biederman err = team_nl_send_options_get(team, info->snd_portid, info->snd_seq, 24059b00cf2dSJiri Pirko NLM_F_ACK, team_nl_send_unicast, 24069b00cf2dSJiri Pirko &sel_opt_inst_list); 24073d249d4cSJiri Pirko 24083d249d4cSJiri Pirko team_nl_team_put(team); 24093d249d4cSJiri Pirko 24103d249d4cSJiri Pirko return err; 24113d249d4cSJiri Pirko } 24123d249d4cSJiri Pirko 24132fcdb2c9SJiri Pirko static int team_nl_send_event_options_get(struct team *team, 24142fcdb2c9SJiri Pirko struct list_head *sel_opt_inst_list); 24152fcdb2c9SJiri Pirko 24163d249d4cSJiri Pirko static int team_nl_cmd_options_set(struct sk_buff *skb, struct genl_info *info) 24173d249d4cSJiri Pirko { 24183d249d4cSJiri Pirko struct team *team; 24193d249d4cSJiri Pirko int err = 0; 24203d249d4cSJiri Pirko int i; 24213d249d4cSJiri Pirko struct nlattr *nl_option; 24222fcdb2c9SJiri Pirko LIST_HEAD(opt_inst_list); 24233d249d4cSJiri Pirko 24243d249d4cSJiri Pirko team = team_nl_team_get(info); 24253d249d4cSJiri Pirko if (!team) 24263d249d4cSJiri Pirko return -EINVAL; 24273d249d4cSJiri Pirko 24283d249d4cSJiri Pirko err = -EINVAL; 24293d249d4cSJiri Pirko if (!info->attrs[TEAM_ATTR_LIST_OPTION]) { 24303d249d4cSJiri Pirko err = -EINVAL; 24313d249d4cSJiri Pirko goto team_put; 24323d249d4cSJiri Pirko } 24333d249d4cSJiri Pirko 24343d249d4cSJiri Pirko nla_for_each_nested(nl_option, info->attrs[TEAM_ATTR_LIST_OPTION], i) { 243580f7c668SJiri Pirko struct nlattr *opt_attrs[TEAM_ATTR_OPTION_MAX + 1]; 2436b1303326SJiri Pirko struct nlattr *attr; 243714f066baSJiri Pirko struct nlattr *attr_data; 24383d249d4cSJiri Pirko enum team_option_type opt_type; 243980f7c668SJiri Pirko int opt_port_ifindex = 0; /* != 0 for per-port options */ 2440b1303326SJiri Pirko u32 opt_array_index = 0; 2441b1303326SJiri Pirko bool opt_is_array = false; 244280f7c668SJiri Pirko struct team_option_inst *opt_inst; 24433d249d4cSJiri Pirko char *opt_name; 24443d249d4cSJiri Pirko bool opt_found = false; 24453d249d4cSJiri Pirko 24463d249d4cSJiri Pirko if (nla_type(nl_option) != TEAM_ATTR_ITEM_OPTION) { 24473d249d4cSJiri Pirko err = -EINVAL; 24483d249d4cSJiri Pirko goto team_put; 24493d249d4cSJiri Pirko } 245080f7c668SJiri Pirko err = nla_parse_nested(opt_attrs, TEAM_ATTR_OPTION_MAX, 24513d249d4cSJiri Pirko nl_option, team_nl_option_policy); 24523d249d4cSJiri Pirko if (err) 24533d249d4cSJiri Pirko goto team_put; 245480f7c668SJiri Pirko if (!opt_attrs[TEAM_ATTR_OPTION_NAME] || 245514f066baSJiri Pirko !opt_attrs[TEAM_ATTR_OPTION_TYPE]) { 24563d249d4cSJiri Pirko err = -EINVAL; 24573d249d4cSJiri Pirko goto team_put; 24583d249d4cSJiri Pirko } 245980f7c668SJiri Pirko switch (nla_get_u8(opt_attrs[TEAM_ATTR_OPTION_TYPE])) { 24603d249d4cSJiri Pirko case NLA_U32: 24613d249d4cSJiri Pirko opt_type = TEAM_OPTION_TYPE_U32; 24623d249d4cSJiri Pirko break; 24633d249d4cSJiri Pirko case NLA_STRING: 24643d249d4cSJiri Pirko opt_type = TEAM_OPTION_TYPE_STRING; 24653d249d4cSJiri Pirko break; 24662615598fSJiri Pirko case NLA_BINARY: 24672615598fSJiri Pirko opt_type = TEAM_OPTION_TYPE_BINARY; 24682615598fSJiri Pirko break; 246914f066baSJiri Pirko case NLA_FLAG: 247014f066baSJiri Pirko opt_type = TEAM_OPTION_TYPE_BOOL; 247114f066baSJiri Pirko break; 247269821638SJiri Pirko case NLA_S32: 247369821638SJiri Pirko opt_type = TEAM_OPTION_TYPE_S32; 247469821638SJiri Pirko break; 24753d249d4cSJiri Pirko default: 24763d249d4cSJiri Pirko goto team_put; 24773d249d4cSJiri Pirko } 24783d249d4cSJiri Pirko 247914f066baSJiri Pirko attr_data = opt_attrs[TEAM_ATTR_OPTION_DATA]; 248014f066baSJiri Pirko if (opt_type != TEAM_OPTION_TYPE_BOOL && !attr_data) { 248114f066baSJiri Pirko err = -EINVAL; 248214f066baSJiri Pirko goto team_put; 248314f066baSJiri Pirko } 248414f066baSJiri Pirko 248580f7c668SJiri Pirko opt_name = nla_data(opt_attrs[TEAM_ATTR_OPTION_NAME]); 2486b1303326SJiri Pirko attr = opt_attrs[TEAM_ATTR_OPTION_PORT_IFINDEX]; 2487b1303326SJiri Pirko if (attr) 2488b1303326SJiri Pirko opt_port_ifindex = nla_get_u32(attr); 2489b1303326SJiri Pirko 2490b1303326SJiri Pirko attr = opt_attrs[TEAM_ATTR_OPTION_ARRAY_INDEX]; 2491b1303326SJiri Pirko if (attr) { 2492b1303326SJiri Pirko opt_is_array = true; 2493b1303326SJiri Pirko opt_array_index = nla_get_u32(attr); 2494b1303326SJiri Pirko } 24953d249d4cSJiri Pirko 249680f7c668SJiri Pirko list_for_each_entry(opt_inst, &team->option_inst_list, list) { 249780f7c668SJiri Pirko struct team_option *option = opt_inst->option; 249880f7c668SJiri Pirko struct team_gsetter_ctx ctx; 249985d59a87SJiri Pirko struct team_option_inst_info *opt_inst_info; 250080f7c668SJiri Pirko int tmp_ifindex; 250180f7c668SJiri Pirko 250285d59a87SJiri Pirko opt_inst_info = &opt_inst->info; 250385d59a87SJiri Pirko tmp_ifindex = opt_inst_info->port ? 250485d59a87SJiri Pirko opt_inst_info->port->dev->ifindex : 0; 25053d249d4cSJiri Pirko if (option->type != opt_type || 250680f7c668SJiri Pirko strcmp(option->name, opt_name) || 2507b1303326SJiri Pirko tmp_ifindex != opt_port_ifindex || 2508b1303326SJiri Pirko (option->array_size && !opt_is_array) || 250985d59a87SJiri Pirko opt_inst_info->array_index != opt_array_index) 25103d249d4cSJiri Pirko continue; 25113d249d4cSJiri Pirko opt_found = true; 251285d59a87SJiri Pirko ctx.info = opt_inst_info; 25133d249d4cSJiri Pirko switch (opt_type) { 25143d249d4cSJiri Pirko case TEAM_OPTION_TYPE_U32: 251514f066baSJiri Pirko ctx.data.u32_val = nla_get_u32(attr_data); 25163d249d4cSJiri Pirko break; 25173d249d4cSJiri Pirko case TEAM_OPTION_TYPE_STRING: 251814f066baSJiri Pirko if (nla_len(attr_data) > TEAM_STRING_MAX_LEN) { 25192615598fSJiri Pirko err = -EINVAL; 25202615598fSJiri Pirko goto team_put; 25212615598fSJiri Pirko } 252214f066baSJiri Pirko ctx.data.str_val = nla_data(attr_data); 25233d249d4cSJiri Pirko break; 25242615598fSJiri Pirko case TEAM_OPTION_TYPE_BINARY: 252514f066baSJiri Pirko ctx.data.bin_val.len = nla_len(attr_data); 252614f066baSJiri Pirko ctx.data.bin_val.ptr = nla_data(attr_data); 252714f066baSJiri Pirko break; 252814f066baSJiri Pirko case TEAM_OPTION_TYPE_BOOL: 252914f066baSJiri Pirko ctx.data.bool_val = attr_data ? true : false; 25302615598fSJiri Pirko break; 253169821638SJiri Pirko case TEAM_OPTION_TYPE_S32: 253269821638SJiri Pirko ctx.data.s32_val = nla_get_s32(attr_data); 253369821638SJiri Pirko break; 25343d249d4cSJiri Pirko default: 25353d249d4cSJiri Pirko BUG(); 25363d249d4cSJiri Pirko } 253780f7c668SJiri Pirko err = team_option_set(team, opt_inst, &ctx); 25383d249d4cSJiri Pirko if (err) 25393d249d4cSJiri Pirko goto team_put; 25402fcdb2c9SJiri Pirko opt_inst->changed = true; 25412fcdb2c9SJiri Pirko list_add(&opt_inst->tmp_list, &opt_inst_list); 25423d249d4cSJiri Pirko } 25433d249d4cSJiri Pirko if (!opt_found) { 25443d249d4cSJiri Pirko err = -ENOENT; 25453d249d4cSJiri Pirko goto team_put; 25463d249d4cSJiri Pirko } 25473d249d4cSJiri Pirko } 25483d249d4cSJiri Pirko 25492fcdb2c9SJiri Pirko err = team_nl_send_event_options_get(team, &opt_inst_list); 25502fcdb2c9SJiri Pirko 25513d249d4cSJiri Pirko team_put: 25523d249d4cSJiri Pirko team_nl_team_put(team); 25533d249d4cSJiri Pirko 25543d249d4cSJiri Pirko return err; 25553d249d4cSJiri Pirko } 25563d249d4cSJiri Pirko 2557d90f889eSJiri Pirko static int team_nl_fill_one_port_get(struct sk_buff *skb, 2558d90f889eSJiri Pirko struct team_port *port) 2559d90f889eSJiri Pirko { 2560d90f889eSJiri Pirko struct nlattr *port_item; 2561d90f889eSJiri Pirko 2562d90f889eSJiri Pirko port_item = nla_nest_start(skb, TEAM_ATTR_ITEM_PORT); 2563d90f889eSJiri Pirko if (!port_item) 2564d90f889eSJiri Pirko goto nest_cancel; 2565d90f889eSJiri Pirko if (nla_put_u32(skb, TEAM_ATTR_PORT_IFINDEX, port->dev->ifindex)) 2566d90f889eSJiri Pirko goto nest_cancel; 2567d90f889eSJiri Pirko if (port->changed) { 2568d90f889eSJiri Pirko if (nla_put_flag(skb, TEAM_ATTR_PORT_CHANGED)) 2569d90f889eSJiri Pirko goto nest_cancel; 2570d90f889eSJiri Pirko port->changed = false; 2571d90f889eSJiri Pirko } 2572d90f889eSJiri Pirko if ((port->removed && 2573d90f889eSJiri Pirko nla_put_flag(skb, TEAM_ATTR_PORT_REMOVED)) || 2574d90f889eSJiri Pirko (port->state.linkup && 2575d90f889eSJiri Pirko nla_put_flag(skb, TEAM_ATTR_PORT_LINKUP)) || 2576d90f889eSJiri Pirko nla_put_u32(skb, TEAM_ATTR_PORT_SPEED, port->state.speed) || 2577d90f889eSJiri Pirko nla_put_u8(skb, TEAM_ATTR_PORT_DUPLEX, port->state.duplex)) 2578d90f889eSJiri Pirko goto nest_cancel; 2579d90f889eSJiri Pirko nla_nest_end(skb, port_item); 2580d90f889eSJiri Pirko return 0; 2581d90f889eSJiri Pirko 2582d90f889eSJiri Pirko nest_cancel: 2583d90f889eSJiri Pirko nla_nest_cancel(skb, port_item); 2584d90f889eSJiri Pirko return -EMSGSIZE; 2585d90f889eSJiri Pirko } 2586d90f889eSJiri Pirko 2587d90f889eSJiri Pirko static int team_nl_send_port_list_get(struct team *team, u32 portid, u32 seq, 2588d90f889eSJiri Pirko int flags, team_nl_send_func_t *send_func, 2589d90f889eSJiri Pirko struct team_port *one_port) 25903d249d4cSJiri Pirko { 25913d249d4cSJiri Pirko struct nlattr *port_list; 2592d90f889eSJiri Pirko struct nlmsghdr *nlh; 25933d249d4cSJiri Pirko void *hdr; 25943d249d4cSJiri Pirko struct team_port *port; 2595d90f889eSJiri Pirko int err; 2596d90f889eSJiri Pirko struct sk_buff *skb = NULL; 2597d90f889eSJiri Pirko bool incomplete; 2598d90f889eSJiri Pirko int i; 25993d249d4cSJiri Pirko 26003f3e7ce4SJiri Pirko port = list_first_entry_or_null(&team->port_list, 26013f3e7ce4SJiri Pirko struct team_port, list); 2602d90f889eSJiri Pirko 2603d90f889eSJiri Pirko start_again: 2604d90f889eSJiri Pirko err = __send_and_alloc_skb(&skb, team, portid, send_func); 2605d90f889eSJiri Pirko if (err) 2606d90f889eSJiri Pirko return err; 2607d90f889eSJiri Pirko 2608d90f889eSJiri Pirko hdr = genlmsg_put(skb, portid, seq, &team_nl_family, flags | NLM_F_MULTI, 26093d249d4cSJiri Pirko TEAM_CMD_PORT_LIST_GET); 2610a326e6ddSWei Yongjun if (!hdr) 2611a326e6ddSWei Yongjun return -EMSGSIZE; 26123d249d4cSJiri Pirko 261386ebb02dSDavid S. Miller if (nla_put_u32(skb, TEAM_ATTR_TEAM_IFINDEX, team->dev->ifindex)) 261486ebb02dSDavid S. Miller goto nla_put_failure; 26153d249d4cSJiri Pirko port_list = nla_nest_start(skb, TEAM_ATTR_LIST_PORT); 26163d249d4cSJiri Pirko if (!port_list) 26173221c646SJiri Pirko goto nla_put_failure; 26183d249d4cSJiri Pirko 2619d90f889eSJiri Pirko i = 0; 2620d90f889eSJiri Pirko incomplete = false; 26213d249d4cSJiri Pirko 2622d90f889eSJiri Pirko /* If one port is selected, called wants to send port list containing 2623d90f889eSJiri Pirko * only this port. Otherwise go through all listed ports and send all 2624d90f889eSJiri Pirko */ 2625d90f889eSJiri Pirko if (one_port) { 2626d90f889eSJiri Pirko err = team_nl_fill_one_port_get(skb, one_port); 2627d90f889eSJiri Pirko if (err) 2628d90f889eSJiri Pirko goto errout; 26293f3e7ce4SJiri Pirko } else if (port) { 26303f3e7ce4SJiri Pirko list_for_each_entry_from(port, &team->port_list, list) { 2631d90f889eSJiri Pirko err = team_nl_fill_one_port_get(skb, port); 2632d90f889eSJiri Pirko if (err) { 2633d90f889eSJiri Pirko if (err == -EMSGSIZE) { 2634d90f889eSJiri Pirko if (!i) 2635d90f889eSJiri Pirko goto errout; 2636d90f889eSJiri Pirko incomplete = true; 2637d90f889eSJiri Pirko break; 2638b82b9183SJiri Pirko } 2639d90f889eSJiri Pirko goto errout; 2640d90f889eSJiri Pirko } 2641d90f889eSJiri Pirko i++; 2642d90f889eSJiri Pirko } 26433d249d4cSJiri Pirko } 26443d249d4cSJiri Pirko 26453d249d4cSJiri Pirko nla_nest_end(skb, port_list); 2646d90f889eSJiri Pirko genlmsg_end(skb, hdr); 2647d90f889eSJiri Pirko if (incomplete) 2648d90f889eSJiri Pirko goto start_again; 26493d249d4cSJiri Pirko 2650d90f889eSJiri Pirko send_done: 2651d90f889eSJiri Pirko nlh = nlmsg_put(skb, portid, seq, NLMSG_DONE, 0, flags | NLM_F_MULTI); 2652d90f889eSJiri Pirko if (!nlh) { 2653d90f889eSJiri Pirko err = __send_and_alloc_skb(&skb, team, portid, send_func); 2654d90f889eSJiri Pirko if (err) 2655d90f889eSJiri Pirko goto errout; 2656d90f889eSJiri Pirko goto send_done; 26573d249d4cSJiri Pirko } 26583d249d4cSJiri Pirko 2659d90f889eSJiri Pirko return send_func(skb, team, portid); 2660d90f889eSJiri Pirko 2661d90f889eSJiri Pirko nla_put_failure: 2662d90f889eSJiri Pirko err = -EMSGSIZE; 2663d90f889eSJiri Pirko errout: 2664d90f889eSJiri Pirko genlmsg_cancel(skb, hdr); 2665d90f889eSJiri Pirko nlmsg_free(skb); 2666d90f889eSJiri Pirko return err; 26673d249d4cSJiri Pirko } 26683d249d4cSJiri Pirko 26693d249d4cSJiri Pirko static int team_nl_cmd_port_list_get(struct sk_buff *skb, 26703d249d4cSJiri Pirko struct genl_info *info) 26713d249d4cSJiri Pirko { 26723d249d4cSJiri Pirko struct team *team; 26733d249d4cSJiri Pirko int err; 26743d249d4cSJiri Pirko 26753d249d4cSJiri Pirko team = team_nl_team_get(info); 26763d249d4cSJiri Pirko if (!team) 26773d249d4cSJiri Pirko return -EINVAL; 26783d249d4cSJiri Pirko 2679d90f889eSJiri Pirko err = team_nl_send_port_list_get(team, info->snd_portid, info->snd_seq, 2680d90f889eSJiri Pirko NLM_F_ACK, team_nl_send_unicast, NULL); 26813d249d4cSJiri Pirko 26823d249d4cSJiri Pirko team_nl_team_put(team); 26833d249d4cSJiri Pirko 26843d249d4cSJiri Pirko return err; 26853d249d4cSJiri Pirko } 26863d249d4cSJiri Pirko 26874534de83SJohannes Berg static const struct genl_ops team_nl_ops[] = { 26883d249d4cSJiri Pirko { 26893d249d4cSJiri Pirko .cmd = TEAM_CMD_NOOP, 26903d249d4cSJiri Pirko .doit = team_nl_cmd_noop, 26913d249d4cSJiri Pirko .policy = team_nl_policy, 26923d249d4cSJiri Pirko }, 26933d249d4cSJiri Pirko { 26943d249d4cSJiri Pirko .cmd = TEAM_CMD_OPTIONS_SET, 26953d249d4cSJiri Pirko .doit = team_nl_cmd_options_set, 26963d249d4cSJiri Pirko .policy = team_nl_policy, 26973d249d4cSJiri Pirko .flags = GENL_ADMIN_PERM, 26983d249d4cSJiri Pirko }, 26993d249d4cSJiri Pirko { 27003d249d4cSJiri Pirko .cmd = TEAM_CMD_OPTIONS_GET, 27013d249d4cSJiri Pirko .doit = team_nl_cmd_options_get, 27023d249d4cSJiri Pirko .policy = team_nl_policy, 27033d249d4cSJiri Pirko .flags = GENL_ADMIN_PERM, 27043d249d4cSJiri Pirko }, 27053d249d4cSJiri Pirko { 27063d249d4cSJiri Pirko .cmd = TEAM_CMD_PORT_LIST_GET, 27073d249d4cSJiri Pirko .doit = team_nl_cmd_port_list_get, 27083d249d4cSJiri Pirko .policy = team_nl_policy, 27093d249d4cSJiri Pirko .flags = GENL_ADMIN_PERM, 27103d249d4cSJiri Pirko }, 27113d249d4cSJiri Pirko }; 27123d249d4cSJiri Pirko 27132a94fe48SJohannes Berg static const struct genl_multicast_group team_nl_mcgrps[] = { 27142a94fe48SJohannes Berg { .name = TEAM_GENL_CHANGE_EVENT_MC_GRP_NAME, }, 27153d249d4cSJiri Pirko }; 27163d249d4cSJiri Pirko 27179b00cf2dSJiri Pirko static int team_nl_send_multicast(struct sk_buff *skb, 271815e47304SEric W. Biederman struct team *team, u32 portid) 27199b00cf2dSJiri Pirko { 272068eb5503SJohannes Berg return genlmsg_multicast_netns(&team_nl_family, dev_net(team->dev), 27212a94fe48SJohannes Berg skb, 0, 0, GFP_KERNEL); 27229b00cf2dSJiri Pirko } 27239b00cf2dSJiri Pirko 272401048d9aSJiri Pirko static int team_nl_send_event_options_get(struct team *team, 272501048d9aSJiri Pirko struct list_head *sel_opt_inst_list) 27263d249d4cSJiri Pirko { 27279b00cf2dSJiri Pirko return team_nl_send_options_get(team, 0, 0, 0, team_nl_send_multicast, 27289b00cf2dSJiri Pirko sel_opt_inst_list); 27293d249d4cSJiri Pirko } 27303d249d4cSJiri Pirko 2731d90f889eSJiri Pirko static int team_nl_send_event_port_get(struct team *team, 2732d90f889eSJiri Pirko struct team_port *port) 27333d249d4cSJiri Pirko { 2734d90f889eSJiri Pirko return team_nl_send_port_list_get(team, 0, 0, 0, team_nl_send_multicast, 2735d90f889eSJiri Pirko port); 27363d249d4cSJiri Pirko } 27373d249d4cSJiri Pirko 27383d249d4cSJiri Pirko static int team_nl_init(void) 27393d249d4cSJiri Pirko { 27402a94fe48SJohannes Berg return genl_register_family_with_ops_groups(&team_nl_family, team_nl_ops, 27412a94fe48SJohannes Berg team_nl_mcgrps); 27423d249d4cSJiri Pirko } 27433d249d4cSJiri Pirko 27443d249d4cSJiri Pirko static void team_nl_fini(void) 27453d249d4cSJiri Pirko { 27463d249d4cSJiri Pirko genl_unregister_family(&team_nl_family); 27473d249d4cSJiri Pirko } 27483d249d4cSJiri Pirko 27493d249d4cSJiri Pirko 27503d249d4cSJiri Pirko /****************** 27513d249d4cSJiri Pirko * Change checkers 27523d249d4cSJiri Pirko ******************/ 27533d249d4cSJiri Pirko 2754b82b9183SJiri Pirko static void __team_options_change_check(struct team *team) 27553d249d4cSJiri Pirko { 27563d249d4cSJiri Pirko int err; 275701048d9aSJiri Pirko struct team_option_inst *opt_inst; 275801048d9aSJiri Pirko LIST_HEAD(sel_opt_inst_list); 27593d249d4cSJiri Pirko 276001048d9aSJiri Pirko list_for_each_entry(opt_inst, &team->option_inst_list, list) { 276101048d9aSJiri Pirko if (opt_inst->changed) 276201048d9aSJiri Pirko list_add_tail(&opt_inst->tmp_list, &sel_opt_inst_list); 276301048d9aSJiri Pirko } 276401048d9aSJiri Pirko err = team_nl_send_event_options_get(team, &sel_opt_inst_list); 27650c7517e9SJiri Pirko if (err && err != -ESRCH) 27669b00cf2dSJiri Pirko netdev_warn(team->dev, "Failed to send options change via netlink (err %d)\n", 27679b00cf2dSJiri Pirko err); 27683d249d4cSJiri Pirko } 27693d249d4cSJiri Pirko 27703d249d4cSJiri Pirko /* rtnl lock is held */ 277110f3f51dSJiri Pirko 277210f3f51dSJiri Pirko static void __team_port_change_send(struct team_port *port, bool linkup) 27733d249d4cSJiri Pirko { 27743d249d4cSJiri Pirko int err; 27753d249d4cSJiri Pirko 2776b82b9183SJiri Pirko port->changed = true; 277771472ec1SJiri Pirko port->state.linkup = linkup; 277871472ec1SJiri Pirko team_refresh_port_linkup(port); 27793d249d4cSJiri Pirko if (linkup) { 27803d249d4cSJiri Pirko struct ethtool_cmd ecmd; 27813d249d4cSJiri Pirko 27823d249d4cSJiri Pirko err = __ethtool_get_settings(port->dev, &ecmd); 27833d249d4cSJiri Pirko if (!err) { 278471472ec1SJiri Pirko port->state.speed = ethtool_cmd_speed(&ecmd); 278571472ec1SJiri Pirko port->state.duplex = ecmd.duplex; 27863d249d4cSJiri Pirko goto send_event; 27873d249d4cSJiri Pirko } 27883d249d4cSJiri Pirko } 278971472ec1SJiri Pirko port->state.speed = 0; 279071472ec1SJiri Pirko port->state.duplex = 0; 27913d249d4cSJiri Pirko 27923d249d4cSJiri Pirko send_event: 2793d90f889eSJiri Pirko err = team_nl_send_event_port_get(port->team, port); 27940c7517e9SJiri Pirko if (err && err != -ESRCH) 27950c7517e9SJiri Pirko netdev_warn(port->team->dev, "Failed to send port change of device %s via netlink (err %d)\n", 27960c7517e9SJiri Pirko port->dev->name, err); 27973d249d4cSJiri Pirko 27983d249d4cSJiri Pirko } 27993d249d4cSJiri Pirko 280006a7fc42SFlavio Leitner static void __team_carrier_check(struct team *team) 280106a7fc42SFlavio Leitner { 280206a7fc42SFlavio Leitner struct team_port *port; 280306a7fc42SFlavio Leitner bool team_linkup; 280406a7fc42SFlavio Leitner 2805e185483eSFlavio Leitner if (team->user_carrier_enabled) 2806e185483eSFlavio Leitner return; 2807e185483eSFlavio Leitner 280806a7fc42SFlavio Leitner team_linkup = false; 280906a7fc42SFlavio Leitner list_for_each_entry(port, &team->port_list, list) { 281006a7fc42SFlavio Leitner if (port->linkup) { 281106a7fc42SFlavio Leitner team_linkup = true; 281206a7fc42SFlavio Leitner break; 281306a7fc42SFlavio Leitner } 281406a7fc42SFlavio Leitner } 281506a7fc42SFlavio Leitner 281606a7fc42SFlavio Leitner if (team_linkup) 281706a7fc42SFlavio Leitner netif_carrier_on(team->dev); 281806a7fc42SFlavio Leitner else 281906a7fc42SFlavio Leitner netif_carrier_off(team->dev); 282006a7fc42SFlavio Leitner } 282106a7fc42SFlavio Leitner 282210f3f51dSJiri Pirko static void __team_port_change_check(struct team_port *port, bool linkup) 282310f3f51dSJiri Pirko { 282410f3f51dSJiri Pirko if (port->state.linkup != linkup) 282510f3f51dSJiri Pirko __team_port_change_send(port, linkup); 282606a7fc42SFlavio Leitner __team_carrier_check(port->team); 282710f3f51dSJiri Pirko } 282810f3f51dSJiri Pirko 282910f3f51dSJiri Pirko static void __team_port_change_port_added(struct team_port *port, bool linkup) 283010f3f51dSJiri Pirko { 283110f3f51dSJiri Pirko __team_port_change_send(port, linkup); 283206a7fc42SFlavio Leitner __team_carrier_check(port->team); 283310f3f51dSJiri Pirko } 283410f3f51dSJiri Pirko 283510f3f51dSJiri Pirko static void __team_port_change_port_removed(struct team_port *port) 283610f3f51dSJiri Pirko { 283710f3f51dSJiri Pirko port->removed = true; 283810f3f51dSJiri Pirko __team_port_change_send(port, false); 283906a7fc42SFlavio Leitner __team_carrier_check(port->team); 284010f3f51dSJiri Pirko } 284110f3f51dSJiri Pirko 28423d249d4cSJiri Pirko static void team_port_change_check(struct team_port *port, bool linkup) 28433d249d4cSJiri Pirko { 28443d249d4cSJiri Pirko struct team *team = port->team; 28453d249d4cSJiri Pirko 284661dc3461SJiri Pirko mutex_lock(&team->lock); 28473d249d4cSJiri Pirko __team_port_change_check(port, linkup); 284861dc3461SJiri Pirko mutex_unlock(&team->lock); 28493d249d4cSJiri Pirko } 28503d249d4cSJiri Pirko 28510f1aad2bSJiri Pirko 28523d249d4cSJiri Pirko /************************************ 28533d249d4cSJiri Pirko * Net device notifier event handler 28543d249d4cSJiri Pirko ************************************/ 28553d249d4cSJiri Pirko 28563d249d4cSJiri Pirko static int team_device_event(struct notifier_block *unused, 28573d249d4cSJiri Pirko unsigned long event, void *ptr) 28583d249d4cSJiri Pirko { 2859351638e7SJiri Pirko struct net_device *dev = netdev_notifier_info_to_dev(ptr); 28603d249d4cSJiri Pirko struct team_port *port; 28613d249d4cSJiri Pirko 28623d249d4cSJiri Pirko port = team_port_get_rtnl(dev); 28633d249d4cSJiri Pirko if (!port) 28643d249d4cSJiri Pirko return NOTIFY_DONE; 28653d249d4cSJiri Pirko 28663d249d4cSJiri Pirko switch (event) { 28673d249d4cSJiri Pirko case NETDEV_UP: 28683d249d4cSJiri Pirko if (netif_carrier_ok(dev)) 28693d249d4cSJiri Pirko team_port_change_check(port, true); 2870ed2da03cSJiri Pirko break; 28713d249d4cSJiri Pirko case NETDEV_DOWN: 28723d249d4cSJiri Pirko team_port_change_check(port, false); 2873ed2da03cSJiri Pirko break; 28743d249d4cSJiri Pirko case NETDEV_CHANGE: 28753d249d4cSJiri Pirko if (netif_running(port->dev)) 28763d249d4cSJiri Pirko team_port_change_check(port, 28773d249d4cSJiri Pirko !!netif_carrier_ok(port->dev)); 28783d249d4cSJiri Pirko break; 28793d249d4cSJiri Pirko case NETDEV_UNREGISTER: 28803d249d4cSJiri Pirko team_del_slave(port->team->dev, dev); 28813d249d4cSJiri Pirko break; 28823d249d4cSJiri Pirko case NETDEV_FEAT_CHANGE: 28833d249d4cSJiri Pirko team_compute_features(port->team); 28843d249d4cSJiri Pirko break; 2885b01f236cSVeaceslav Falico case NETDEV_PRECHANGEMTU: 28863d249d4cSJiri Pirko /* Forbid to change mtu of underlaying device */ 28879d0d68faSJiri Pirko if (!port->team->port_mtu_change_allowed) 28883d249d4cSJiri Pirko return NOTIFY_BAD; 28899d0d68faSJiri Pirko break; 28903d249d4cSJiri Pirko case NETDEV_PRE_TYPE_CHANGE: 28913d249d4cSJiri Pirko /* Forbid to change type of underlaying device */ 28923d249d4cSJiri Pirko return NOTIFY_BAD; 28934aa5dee4SJiri Pirko case NETDEV_RESEND_IGMP: 28944aa5dee4SJiri Pirko /* Propagate to master device */ 28954aa5dee4SJiri Pirko call_netdevice_notifiers(event, port->team->dev); 28964aa5dee4SJiri Pirko break; 28973d249d4cSJiri Pirko } 28983d249d4cSJiri Pirko return NOTIFY_DONE; 28993d249d4cSJiri Pirko } 29003d249d4cSJiri Pirko 29013d249d4cSJiri Pirko static struct notifier_block team_notifier_block __read_mostly = { 29023d249d4cSJiri Pirko .notifier_call = team_device_event, 29033d249d4cSJiri Pirko }; 29043d249d4cSJiri Pirko 29053d249d4cSJiri Pirko 29063d249d4cSJiri Pirko /*********************** 29073d249d4cSJiri Pirko * Module init and exit 29083d249d4cSJiri Pirko ***********************/ 29093d249d4cSJiri Pirko 29103d249d4cSJiri Pirko static int __init team_module_init(void) 29113d249d4cSJiri Pirko { 29123d249d4cSJiri Pirko int err; 29133d249d4cSJiri Pirko 29143d249d4cSJiri Pirko register_netdevice_notifier(&team_notifier_block); 29153d249d4cSJiri Pirko 29163d249d4cSJiri Pirko err = rtnl_link_register(&team_link_ops); 29173d249d4cSJiri Pirko if (err) 29183d249d4cSJiri Pirko goto err_rtnl_reg; 29193d249d4cSJiri Pirko 29203d249d4cSJiri Pirko err = team_nl_init(); 29213d249d4cSJiri Pirko if (err) 29223d249d4cSJiri Pirko goto err_nl_init; 29233d249d4cSJiri Pirko 29243d249d4cSJiri Pirko return 0; 29253d249d4cSJiri Pirko 29263d249d4cSJiri Pirko err_nl_init: 29273d249d4cSJiri Pirko rtnl_link_unregister(&team_link_ops); 29283d249d4cSJiri Pirko 29293d249d4cSJiri Pirko err_rtnl_reg: 29303d249d4cSJiri Pirko unregister_netdevice_notifier(&team_notifier_block); 29313d249d4cSJiri Pirko 29323d249d4cSJiri Pirko return err; 29333d249d4cSJiri Pirko } 29343d249d4cSJiri Pirko 29353d249d4cSJiri Pirko static void __exit team_module_exit(void) 29363d249d4cSJiri Pirko { 29373d249d4cSJiri Pirko team_nl_fini(); 29383d249d4cSJiri Pirko rtnl_link_unregister(&team_link_ops); 29393d249d4cSJiri Pirko unregister_netdevice_notifier(&team_notifier_block); 29403d249d4cSJiri Pirko } 29413d249d4cSJiri Pirko 29423d249d4cSJiri Pirko module_init(team_module_init); 29433d249d4cSJiri Pirko module_exit(team_module_exit); 29443d249d4cSJiri Pirko 29453d249d4cSJiri Pirko MODULE_LICENSE("GPL v2"); 29463d249d4cSJiri Pirko MODULE_AUTHOR("Jiri Pirko <jpirko@redhat.com>"); 29473d249d4cSJiri Pirko MODULE_DESCRIPTION("Ethernet team device driver"); 29483d249d4cSJiri Pirko MODULE_ALIAS_RTNL_LINK(DRV_NAME); 2949