13d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko/* 23d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko * net/drivers/team/team.c - Network team device driver 33d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko * Copyright (c) 2011 Jiri Pirko <jpirko@redhat.com> 43d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko * 53d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko * This program is free software; you can redistribute it and/or modify 63d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko * it under the terms of the GNU General Public License as published by 73d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko * the Free Software Foundation; either version 2 of the License, or 83d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko * (at your option) any later version. 93d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko */ 103d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 113d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko#include <linux/kernel.h> 123d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko#include <linux/types.h> 133d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko#include <linux/module.h> 143d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko#include <linux/init.h> 153d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko#include <linux/slab.h> 163d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko#include <linux/rcupdate.h> 173d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko#include <linux/errno.h> 183d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko#include <linux/ctype.h> 193d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko#include <linux/notifier.h> 203d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko#include <linux/netdevice.h> 2187002b03baabd2b8f6281ab6411ed88d24958de1Jiri Pirko#include <linux/if_vlan.h> 223d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko#include <linux/if_arp.h> 233d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko#include <linux/socket.h> 243d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko#include <linux/etherdevice.h> 253d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko#include <linux/rtnetlink.h> 263d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko#include <net/rtnetlink.h> 273d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko#include <net/genetlink.h> 283d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko#include <net/netlink.h> 293d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko#include <linux/if_team.h> 303d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 313d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko#define DRV_NAME "team" 323d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 333d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 343d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko/********** 353d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko * Helpers 363d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko **********/ 373d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 383d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko#define team_port_exists(dev) (dev->priv_flags & IFF_TEAM_PORT) 393d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 403d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic struct team_port *team_port_get_rcu(const struct net_device *dev) 413d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 423d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team_port *port = rcu_dereference(dev->rx_handler_data); 433d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 443d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return team_port_exists(dev) ? port : NULL; 453d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 463d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 473d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic struct team_port *team_port_get_rtnl(const struct net_device *dev) 483d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 493d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team_port *port = rtnl_dereference(dev->rx_handler_data); 503d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 513d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return team_port_exists(dev) ? port : NULL; 523d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 533d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 543d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko/* 553d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko * Since the ability to change mac address for open port device is tested in 563d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko * team_port_add, this function can be called without control of return value 573d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko */ 583d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic int __set_port_mac(struct net_device *port_dev, 593d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko const unsigned char *dev_addr) 603d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 613d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct sockaddr addr; 623d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 633d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko memcpy(addr.sa_data, dev_addr, ETH_ALEN); 643d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko addr.sa_family = ARPHRD_ETHER; 653d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return dev_set_mac_address(port_dev, &addr); 663d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 673d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 683d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkoint team_port_set_orig_mac(struct team_port *port) 693d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 703d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return __set_port_mac(port->dev, port->orig.dev_addr); 713d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 723d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 733d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkoint team_port_set_team_mac(struct team_port *port) 743d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 753d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return __set_port_mac(port->dev, port->team->dev->dev_addr); 763d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 773d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri PirkoEXPORT_SYMBOL(team_port_set_team_mac); 783d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 793d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 803d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko/******************* 813d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko * Options handling 823d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko *******************/ 833d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 84358b838291f618278080bbed435b755f9b46748eJiri Pirkostruct team_option *__team_find_option(struct team *team, const char *opt_name) 85358b838291f618278080bbed435b755f9b46748eJiri Pirko{ 86358b838291f618278080bbed435b755f9b46748eJiri Pirko struct team_option *option; 87358b838291f618278080bbed435b755f9b46748eJiri Pirko 88358b838291f618278080bbed435b755f9b46748eJiri Pirko list_for_each_entry(option, &team->option_list, list) { 89358b838291f618278080bbed435b755f9b46748eJiri Pirko if (strcmp(option->name, opt_name) == 0) 90358b838291f618278080bbed435b755f9b46748eJiri Pirko return option; 91358b838291f618278080bbed435b755f9b46748eJiri Pirko } 92358b838291f618278080bbed435b755f9b46748eJiri Pirko return NULL; 93358b838291f618278080bbed435b755f9b46748eJiri Pirko} 94358b838291f618278080bbed435b755f9b46748eJiri Pirko 95b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirkoint __team_options_register(struct team *team, 96b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko const struct team_option *option, 97b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko size_t option_count) 983d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 993d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko int i; 1002bba19fff8d09bf19df5d5e2de7188d65de67c3eJiri Pirko struct team_option **dst_opts; 101358b838291f618278080bbed435b755f9b46748eJiri Pirko int err; 1023d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 1032bba19fff8d09bf19df5d5e2de7188d65de67c3eJiri Pirko dst_opts = kzalloc(sizeof(struct team_option *) * option_count, 1042bba19fff8d09bf19df5d5e2de7188d65de67c3eJiri Pirko GFP_KERNEL); 1052bba19fff8d09bf19df5d5e2de7188d65de67c3eJiri Pirko if (!dst_opts) 1062bba19fff8d09bf19df5d5e2de7188d65de67c3eJiri Pirko return -ENOMEM; 107358b838291f618278080bbed435b755f9b46748eJiri Pirko for (i = 0; i < option_count; i++, option++) { 108358b838291f618278080bbed435b755f9b46748eJiri Pirko if (__team_find_option(team, option->name)) { 109358b838291f618278080bbed435b755f9b46748eJiri Pirko err = -EEXIST; 110358b838291f618278080bbed435b755f9b46748eJiri Pirko goto rollback; 111358b838291f618278080bbed435b755f9b46748eJiri Pirko } 112f8a15af093b19b86d56933c8757cee298d0f32a8Jiri Pirko dst_opts[i] = kmemdup(option, sizeof(*option), GFP_KERNEL); 113f8a15af093b19b86d56933c8757cee298d0f32a8Jiri Pirko if (!dst_opts[i]) { 114358b838291f618278080bbed435b755f9b46748eJiri Pirko err = -ENOMEM; 115358b838291f618278080bbed435b755f9b46748eJiri Pirko goto rollback; 116358b838291f618278080bbed435b755f9b46748eJiri Pirko } 117358b838291f618278080bbed435b755f9b46748eJiri Pirko } 118358b838291f618278080bbed435b755f9b46748eJiri Pirko 119b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko for (i = 0; i < option_count; i++) { 120b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko dst_opts[i]->changed = true; 121b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko dst_opts[i]->removed = false; 122358b838291f618278080bbed435b755f9b46748eJiri Pirko list_add_tail(&dst_opts[i]->list, &team->option_list); 123b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko } 124358b838291f618278080bbed435b755f9b46748eJiri Pirko 1252bba19fff8d09bf19df5d5e2de7188d65de67c3eJiri Pirko kfree(dst_opts); 126358b838291f618278080bbed435b755f9b46748eJiri Pirko return 0; 127358b838291f618278080bbed435b755f9b46748eJiri Pirko 128358b838291f618278080bbed435b755f9b46748eJiri Pirkorollback: 129358b838291f618278080bbed435b755f9b46748eJiri Pirko for (i = 0; i < option_count; i++) 130358b838291f618278080bbed435b755f9b46748eJiri Pirko kfree(dst_opts[i]); 131358b838291f618278080bbed435b755f9b46748eJiri Pirko 1322bba19fff8d09bf19df5d5e2de7188d65de67c3eJiri Pirko kfree(dst_opts); 133358b838291f618278080bbed435b755f9b46748eJiri Pirko return err; 1343d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 135358b838291f618278080bbed435b755f9b46748eJiri Pirko 136b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirkostatic void __team_options_mark_removed(struct team *team, 137b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko const struct team_option *option, 138b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko size_t option_count) 139b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko{ 140b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko int i; 141b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko 142b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko for (i = 0; i < option_count; i++, option++) { 143b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko struct team_option *del_opt; 1443d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 145b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko del_opt = __team_find_option(team, option->name); 146b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko if (del_opt) { 147b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko del_opt->changed = true; 148b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko del_opt->removed = true; 149b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko } 150b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko } 151b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko} 1523d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 1533d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic void __team_options_unregister(struct team *team, 154358b838291f618278080bbed435b755f9b46748eJiri Pirko const struct team_option *option, 1553d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko size_t option_count) 1563d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 1573d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko int i; 1583d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 159358b838291f618278080bbed435b755f9b46748eJiri Pirko for (i = 0; i < option_count; i++, option++) { 160358b838291f618278080bbed435b755f9b46748eJiri Pirko struct team_option *del_opt; 161358b838291f618278080bbed435b755f9b46748eJiri Pirko 162358b838291f618278080bbed435b755f9b46748eJiri Pirko del_opt = __team_find_option(team, option->name); 163358b838291f618278080bbed435b755f9b46748eJiri Pirko if (del_opt) { 164358b838291f618278080bbed435b755f9b46748eJiri Pirko list_del(&del_opt->list); 165358b838291f618278080bbed435b755f9b46748eJiri Pirko kfree(del_opt); 166358b838291f618278080bbed435b755f9b46748eJiri Pirko } 167358b838291f618278080bbed435b755f9b46748eJiri Pirko } 1683d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 1693d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 170b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirkostatic void __team_options_change_check(struct team *team); 171b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko 172b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirkoint team_options_register(struct team *team, 173b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko const struct team_option *option, 174b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko size_t option_count) 175b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko{ 176b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko int err; 177b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko 178b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko err = __team_options_register(team, option, option_count); 179b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko if (err) 180b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko return err; 181b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko __team_options_change_check(team); 182b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko return 0; 183b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko} 184b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri PirkoEXPORT_SYMBOL(team_options_register); 185b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko 186358b838291f618278080bbed435b755f9b46748eJiri Pirkovoid team_options_unregister(struct team *team, 187358b838291f618278080bbed435b755f9b46748eJiri Pirko const struct team_option *option, 1883d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko size_t option_count) 1893d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 190b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko __team_options_mark_removed(team, option, option_count); 191b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko __team_options_change_check(team); 1923d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko __team_options_unregister(team, option, option_count); 1933d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 1943d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri PirkoEXPORT_SYMBOL(team_options_unregister); 1953d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 1963d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic int team_option_get(struct team *team, struct team_option *option, 1973d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko void *arg) 1983d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 1993d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return option->getter(team, arg); 2003d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 2013d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 2023d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic int team_option_set(struct team *team, struct team_option *option, 2033d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko void *arg) 2043d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 2053d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko int err; 2063d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 2073d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko err = option->setter(team, arg); 2083d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (err) 2093d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return err; 2103d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 211b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko option->changed = true; 212b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko __team_options_change_check(team); 2133d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return err; 2143d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 2153d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 2163d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko/**************** 2173d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko * Mode handling 2183d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko ****************/ 2193d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 2203d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic LIST_HEAD(mode_list); 2213d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic DEFINE_SPINLOCK(mode_list_lock); 2223d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 2233d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic struct team_mode *__find_mode(const char *kind) 2243d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 2253d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team_mode *mode; 2263d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 2273d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko list_for_each_entry(mode, &mode_list, list) { 2283d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (strcmp(mode->kind, kind) == 0) 2293d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return mode; 2303d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 2313d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return NULL; 2323d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 2333d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 2343d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic bool is_good_mode_name(const char *name) 2353d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 2363d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko while (*name != '\0') { 2373d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (!isalpha(*name) && !isdigit(*name) && *name != '_') 2383d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return false; 2393d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko name++; 2403d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 2413d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return true; 2423d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 2433d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 2443d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkoint team_mode_register(struct team_mode *mode) 2453d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 2463d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko int err = 0; 2473d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 2483d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (!is_good_mode_name(mode->kind) || 2493d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko mode->priv_size > TEAM_MODE_PRIV_SIZE) 2503d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return -EINVAL; 2513d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko spin_lock(&mode_list_lock); 2523d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (__find_mode(mode->kind)) { 2533d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko err = -EEXIST; 2543d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko goto unlock; 2553d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 2563d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko list_add_tail(&mode->list, &mode_list); 2573d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkounlock: 2583d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko spin_unlock(&mode_list_lock); 2593d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return err; 2603d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 2613d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri PirkoEXPORT_SYMBOL(team_mode_register); 2623d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 2633d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkoint team_mode_unregister(struct team_mode *mode) 2643d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 2653d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko spin_lock(&mode_list_lock); 2663d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko list_del_init(&mode->list); 2673d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko spin_unlock(&mode_list_lock); 2683d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return 0; 2693d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 2703d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri PirkoEXPORT_SYMBOL(team_mode_unregister); 2713d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 2723d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic struct team_mode *team_mode_get(const char *kind) 2733d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 2743d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team_mode *mode; 2753d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 2763d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko spin_lock(&mode_list_lock); 2773d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko mode = __find_mode(kind); 2783d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (!mode) { 2793d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko spin_unlock(&mode_list_lock); 2803d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko request_module("team-mode-%s", kind); 2813d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko spin_lock(&mode_list_lock); 2823d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko mode = __find_mode(kind); 2833d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 2843d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (mode) 2853d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (!try_module_get(mode->owner)) 2863d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko mode = NULL; 2873d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 2883d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko spin_unlock(&mode_list_lock); 2893d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return mode; 2903d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 2913d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 2923d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic void team_mode_put(const struct team_mode *mode) 2933d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 2943d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko module_put(mode->owner); 2953d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 2963d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 2973d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic bool team_dummy_transmit(struct team *team, struct sk_buff *skb) 2983d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 2993d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko dev_kfree_skb_any(skb); 3003d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return false; 3013d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 3023d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 3033d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkorx_handler_result_t team_dummy_receive(struct team *team, 3043d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team_port *port, 3053d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct sk_buff *skb) 3063d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 3073d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return RX_HANDLER_ANOTHER; 3083d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 3093d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 3103d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic void team_adjust_ops(struct team *team) 3113d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 3123d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko /* 3133d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko * To avoid checks in rx/tx skb paths, ensure here that non-null and 3143d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko * correct ops are always set. 3153d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko */ 3163d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 3173d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (list_empty(&team->port_list) || 3183d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko !team->mode || !team->mode->ops->transmit) 3193d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko team->ops.transmit = team_dummy_transmit; 3203d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko else 3213d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko team->ops.transmit = team->mode->ops->transmit; 3223d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 3233d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (list_empty(&team->port_list) || 3243d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko !team->mode || !team->mode->ops->receive) 3253d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko team->ops.receive = team_dummy_receive; 3263d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko else 3273d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko team->ops.receive = team->mode->ops->receive; 3283d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 3293d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 3303d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko/* 3313d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko * We can benefit from the fact that it's ensured no port is present 3323d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko * at the time of mode change. Therefore no packets are in fly so there's no 3333d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko * need to set mode operations in any special way. 3343d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko */ 3353d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic int __team_change_mode(struct team *team, 3363d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko const struct team_mode *new_mode) 3373d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 3383d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko /* Check if mode was previously set and do cleanup if so */ 3393d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (team->mode) { 3403d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko void (*exit_op)(struct team *team) = team->ops.exit; 3413d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 3423d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko /* Clear ops area so no callback is called any longer */ 3433d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko memset(&team->ops, 0, sizeof(struct team_mode_ops)); 3443d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko team_adjust_ops(team); 3453d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 3463d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (exit_op) 3473d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko exit_op(team); 3483d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko team_mode_put(team->mode); 3493d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko team->mode = NULL; 3503d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko /* zero private data area */ 3513d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko memset(&team->mode_priv, 0, 3523d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko sizeof(struct team) - offsetof(struct team, mode_priv)); 3533d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 3543d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 3553d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (!new_mode) 3563d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return 0; 3573d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 3583d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (new_mode->ops->init) { 3593d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko int err; 3603d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 3613d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko err = new_mode->ops->init(team); 3623d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (err) 3633d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return err; 3643d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 3653d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 3663d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko team->mode = new_mode; 3673d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko memcpy(&team->ops, new_mode->ops, sizeof(struct team_mode_ops)); 3683d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko team_adjust_ops(team); 3693d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 3703d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return 0; 3713d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 3723d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 3733d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic int team_change_mode(struct team *team, const char *kind) 3743d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 3753d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team_mode *new_mode; 3763d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct net_device *dev = team->dev; 3773d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko int err; 3783d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 3793d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (!list_empty(&team->port_list)) { 3803d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko netdev_err(dev, "No ports can be present during mode change\n"); 3813d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return -EBUSY; 3823d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 3833d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 3843d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (team->mode && strcmp(team->mode->kind, kind) == 0) { 3853d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko netdev_err(dev, "Unable to change to the same mode the team is in\n"); 3863d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return -EINVAL; 3873d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 3883d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 3893d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko new_mode = team_mode_get(kind); 3903d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (!new_mode) { 3913d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko netdev_err(dev, "Mode \"%s\" not found\n", kind); 3923d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return -EINVAL; 3933d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 3943d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 3953d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko err = __team_change_mode(team, new_mode); 3963d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (err) { 3973d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko netdev_err(dev, "Failed to change to mode \"%s\"\n", kind); 3983d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko team_mode_put(new_mode); 3993d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return err; 4003d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 4013d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 4023d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko netdev_info(dev, "Mode changed to \"%s\"\n", kind); 4033d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return 0; 4043d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 4053d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 4063d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 4073d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko/************************ 4083d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko * Rx path frame handler 4093d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko ************************/ 4103d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 4113d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko/* note: already called with rcu_read_lock */ 4123d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic rx_handler_result_t team_handle_frame(struct sk_buff **pskb) 4133d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 4143d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct sk_buff *skb = *pskb; 4153d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team_port *port; 4163d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team *team; 4173d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko rx_handler_result_t res; 4183d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 4193d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko skb = skb_share_check(skb, GFP_ATOMIC); 4203d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (!skb) 4213d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return RX_HANDLER_CONSUMED; 4223d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 4233d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko *pskb = skb; 4243d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 4253d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko port = team_port_get_rcu(skb->dev); 4263d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko team = port->team; 4273d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 4283d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko res = team->ops.receive(team, port, skb); 4293d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (res == RX_HANDLER_ANOTHER) { 4303d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team_pcpu_stats *pcpu_stats; 4313d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 4323d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko pcpu_stats = this_cpu_ptr(team->pcpu_stats); 4333d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko u64_stats_update_begin(&pcpu_stats->syncp); 4343d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko pcpu_stats->rx_packets++; 4353d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko pcpu_stats->rx_bytes += skb->len; 4363d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (skb->pkt_type == PACKET_MULTICAST) 4373d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko pcpu_stats->rx_multicast++; 4383d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko u64_stats_update_end(&pcpu_stats->syncp); 4393d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 4403d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko skb->dev = team->dev; 4413d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } else { 4423d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko this_cpu_inc(team->pcpu_stats->rx_dropped); 4433d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 4443d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 4453d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return res; 4463d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 4473d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 4483d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 4493d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko/**************** 4503d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko * Port handling 4513d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko ****************/ 4523d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 4533d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic bool team_port_find(const struct team *team, 4543d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko const struct team_port *port) 4553d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 4563d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team_port *cur; 4573d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 4583d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko list_for_each_entry(cur, &team->port_list, list) 4593d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (cur == port) 4603d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return true; 4613d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return false; 4623d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 4633d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 4643d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko/* 4653d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko * Add/delete port to the team port list. Write guarded by rtnl_lock. 4663d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko * Takes care of correct port->index setup (might be racy). 4673d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko */ 4683d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic void team_port_list_add_port(struct team *team, 4693d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team_port *port) 4703d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 4713d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko port->index = team->port_count++; 4723d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko hlist_add_head_rcu(&port->hlist, 4733d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko team_port_index_hash(team, port->index)); 4743d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko list_add_tail_rcu(&port->list, &team->port_list); 4753d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 4763d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 4773d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic void __reconstruct_port_hlist(struct team *team, int rm_index) 4783d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 4793d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko int i; 4803d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team_port *port; 4813d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 4823d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko for (i = rm_index + 1; i < team->port_count; i++) { 4833d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko port = team_get_port_by_index(team, i); 4843d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko hlist_del_rcu(&port->hlist); 4853d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko port->index--; 4863d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko hlist_add_head_rcu(&port->hlist, 4873d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko team_port_index_hash(team, port->index)); 4883d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 4893d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 4903d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 4913d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic void team_port_list_del_port(struct team *team, 4923d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team_port *port) 4933d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 4943d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko int rm_index = port->index; 4953d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 4963d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko hlist_del_rcu(&port->hlist); 4973d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko list_del_rcu(&port->list); 4983d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko __reconstruct_port_hlist(team, rm_index); 4993d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko team->port_count--; 5003d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 5013d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 5023d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko#define TEAM_VLAN_FEATURES (NETIF_F_ALL_CSUM | NETIF_F_SG | \ 5033d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko NETIF_F_FRAGLIST | NETIF_F_ALL_TSO | \ 5043d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko NETIF_F_HIGHDMA | NETIF_F_LRO) 5053d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 5063d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic void __team_compute_features(struct team *team) 5073d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 5083d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team_port *port; 5093d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko u32 vlan_features = TEAM_VLAN_FEATURES; 5103d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko unsigned short max_hard_header_len = ETH_HLEN; 5113d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 5123d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko list_for_each_entry(port, &team->port_list, list) { 5133d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko vlan_features = netdev_increment_features(vlan_features, 5143d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko port->dev->vlan_features, 5153d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko TEAM_VLAN_FEATURES); 5163d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 5173d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (port->dev->hard_header_len > max_hard_header_len) 5183d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko max_hard_header_len = port->dev->hard_header_len; 5193d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 5203d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 5213d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko team->dev->vlan_features = vlan_features; 5223d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko team->dev->hard_header_len = max_hard_header_len; 5233d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 5243d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko netdev_change_features(team->dev); 5253d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 5263d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 5273d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic void team_compute_features(struct team *team) 5283d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 52961dc3461b9549bc10a2f16d254250680cadafcceJiri Pirko mutex_lock(&team->lock); 5303d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko __team_compute_features(team); 53161dc3461b9549bc10a2f16d254250680cadafcceJiri Pirko mutex_unlock(&team->lock); 5323d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 5333d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 5343d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic int team_port_enter(struct team *team, struct team_port *port) 5353d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 5363d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko int err = 0; 5373d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 5383d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko dev_hold(team->dev); 5393d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko port->dev->priv_flags |= IFF_TEAM_PORT; 5403d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (team->ops.port_enter) { 5413d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko err = team->ops.port_enter(team, port); 5423d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (err) { 5433d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko netdev_err(team->dev, "Device %s failed to enter team mode\n", 5443d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko port->dev->name); 5453d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko goto err_port_enter; 5463d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 5473d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 5483d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 5493d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return 0; 5503d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 5513d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkoerr_port_enter: 5523d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko port->dev->priv_flags &= ~IFF_TEAM_PORT; 5533d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko dev_put(team->dev); 5543d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 5553d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return err; 5563d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 5573d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 5583d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic void team_port_leave(struct team *team, struct team_port *port) 5593d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 5603d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (team->ops.port_leave) 5613d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko team->ops.port_leave(team, port); 5623d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko port->dev->priv_flags &= ~IFF_TEAM_PORT; 5633d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko dev_put(team->dev); 5643d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 5653d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 5663d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic void __team_port_change_check(struct team_port *port, bool linkup); 5673d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 5683d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic int team_port_add(struct team *team, struct net_device *port_dev) 5693d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 5703d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct net_device *dev = team->dev; 5713d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team_port *port; 5723d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko char *portname = port_dev->name; 5733d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko int err; 5743d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 5753d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (port_dev->flags & IFF_LOOPBACK || 5763d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko port_dev->type != ARPHRD_ETHER) { 5773d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko netdev_err(dev, "Device %s is of an unsupported type\n", 5783d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko portname); 5793d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return -EINVAL; 5803d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 5813d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 5823d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (team_port_exists(port_dev)) { 5833d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko netdev_err(dev, "Device %s is already a port " 5843d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko "of a team device\n", portname); 5853d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return -EBUSY; 5863d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 5873d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 5883d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (port_dev->flags & IFF_UP) { 5893d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko netdev_err(dev, "Device %s is up. Set it down before adding it as a team port\n", 5903d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko portname); 5913d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return -EBUSY; 5923d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 5933d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 5943d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko port = kzalloc(sizeof(struct team_port), GFP_KERNEL); 5953d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (!port) 5963d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return -ENOMEM; 5973d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 5983d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko port->dev = port_dev; 5993d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko port->team = team; 6003d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 6013d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko port->orig.mtu = port_dev->mtu; 6023d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko err = dev_set_mtu(port_dev, dev->mtu); 6033d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (err) { 6043d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko netdev_dbg(dev, "Error %d calling dev_set_mtu\n", err); 6053d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko goto err_set_mtu; 6063d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 6073d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 6083d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko memcpy(port->orig.dev_addr, port_dev->dev_addr, ETH_ALEN); 6093d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 6103d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko err = team_port_enter(team, port); 6113d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (err) { 6123d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko netdev_err(dev, "Device %s failed to enter team mode\n", 6133d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko portname); 6143d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko goto err_port_enter; 6153d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 6163d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 6173d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko err = dev_open(port_dev); 6183d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (err) { 6193d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko netdev_dbg(dev, "Device %s opening failed\n", 6203d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko portname); 6213d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko goto err_dev_open; 6223d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 6233d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 62457459185a19b0246866479522b77cbb9732201d1Jiri Pirko err = vlan_vids_add_by_dev(port_dev, dev); 62557459185a19b0246866479522b77cbb9732201d1Jiri Pirko if (err) { 62657459185a19b0246866479522b77cbb9732201d1Jiri Pirko netdev_err(dev, "Failed to add vlan ids to device %s\n", 62757459185a19b0246866479522b77cbb9732201d1Jiri Pirko portname); 62857459185a19b0246866479522b77cbb9732201d1Jiri Pirko goto err_vids_add; 62957459185a19b0246866479522b77cbb9732201d1Jiri Pirko } 63057459185a19b0246866479522b77cbb9732201d1Jiri Pirko 6313d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko err = netdev_set_master(port_dev, dev); 6323d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (err) { 6333d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko netdev_err(dev, "Device %s failed to set master\n", portname); 6343d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko goto err_set_master; 6353d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 6363d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 6373d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko err = netdev_rx_handler_register(port_dev, team_handle_frame, 6383d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko port); 6393d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (err) { 6403d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko netdev_err(dev, "Device %s failed to register rx_handler\n", 6413d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko portname); 6423d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko goto err_handler_register; 6433d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 6443d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 6453d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko team_port_list_add_port(team, port); 6463d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko team_adjust_ops(team); 6473d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko __team_compute_features(team); 6483d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko __team_port_change_check(port, !!netif_carrier_ok(port_dev)); 6493d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 6503d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko netdev_info(dev, "Port device %s added\n", portname); 6513d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 6523d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return 0; 6533d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 6543d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkoerr_handler_register: 6553d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko netdev_set_master(port_dev, NULL); 6563d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 6573d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkoerr_set_master: 65857459185a19b0246866479522b77cbb9732201d1Jiri Pirko vlan_vids_del_by_dev(port_dev, dev); 65957459185a19b0246866479522b77cbb9732201d1Jiri Pirko 66057459185a19b0246866479522b77cbb9732201d1Jiri Pirkoerr_vids_add: 6613d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko dev_close(port_dev); 6623d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 6633d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkoerr_dev_open: 6643d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko team_port_leave(team, port); 6653d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko team_port_set_orig_mac(port); 6663d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 6673d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkoerr_port_enter: 6683d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko dev_set_mtu(port_dev, port->orig.mtu); 6693d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 6703d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkoerr_set_mtu: 6713d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko kfree(port); 6723d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 6733d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return err; 6743d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 6753d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 6763d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic int team_port_del(struct team *team, struct net_device *port_dev) 6773d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 6783d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct net_device *dev = team->dev; 6793d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team_port *port; 6803d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko char *portname = port_dev->name; 6813d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 6823d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko port = team_port_get_rtnl(port_dev); 6833d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (!port || !team_port_find(team, port)) { 6843d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko netdev_err(dev, "Device %s does not act as a port of this team\n", 6853d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko portname); 6863d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return -ENOENT; 6873d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 6883d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 689b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko port->removed = true; 6903d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko __team_port_change_check(port, false); 6913d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko team_port_list_del_port(team, port); 6923d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko team_adjust_ops(team); 6933d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko netdev_rx_handler_unregister(port_dev); 6943d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko netdev_set_master(port_dev, NULL); 69557459185a19b0246866479522b77cbb9732201d1Jiri Pirko vlan_vids_del_by_dev(port_dev, dev); 6963d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko dev_close(port_dev); 6973d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko team_port_leave(team, port); 6983d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko team_port_set_orig_mac(port); 6993d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko dev_set_mtu(port_dev, port->orig.mtu); 7003d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko synchronize_rcu(); 7013d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko kfree(port); 7023d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko netdev_info(dev, "Port device %s removed\n", portname); 7033d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko __team_compute_features(team); 7043d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 7053d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return 0; 7063d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 7073d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 7083d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 7093d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko/***************** 7103d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko * Net device ops 7113d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko *****************/ 7123d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 7133d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic const char team_no_mode_kind[] = "*NOMODE*"; 7143d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 7153d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic int team_mode_option_get(struct team *team, void *arg) 7163d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 7173d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko const char **str = arg; 7183d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 7193d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko *str = team->mode ? team->mode->kind : team_no_mode_kind; 7203d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return 0; 7213d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 7223d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 7233d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic int team_mode_option_set(struct team *team, void *arg) 7243d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 7253d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko const char **str = arg; 7263d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 7273d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return team_change_mode(team, *str); 7283d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 7293d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 730358b838291f618278080bbed435b755f9b46748eJiri Pirkostatic const struct team_option team_options[] = { 7313d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko { 7323d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .name = "mode", 7333d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .type = TEAM_OPTION_TYPE_STRING, 7343d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .getter = team_mode_option_get, 7353d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .setter = team_mode_option_set, 7363d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko }, 7373d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko}; 7383d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 7393d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic int team_init(struct net_device *dev) 7403d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 7413d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team *team = netdev_priv(dev); 7423d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko int i; 743358b838291f618278080bbed435b755f9b46748eJiri Pirko int err; 7443d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 7453d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko team->dev = dev; 74661dc3461b9549bc10a2f16d254250680cadafcceJiri Pirko mutex_init(&team->lock); 7473d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 7483d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko team->pcpu_stats = alloc_percpu(struct team_pcpu_stats); 7493d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (!team->pcpu_stats) 7503d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return -ENOMEM; 7513d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 7523d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko for (i = 0; i < TEAM_PORT_HASHENTRIES; i++) 7533d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko INIT_HLIST_HEAD(&team->port_hlist[i]); 7543d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko INIT_LIST_HEAD(&team->port_list); 7553d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 7563d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko team_adjust_ops(team); 7573d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 7583d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko INIT_LIST_HEAD(&team->option_list); 759358b838291f618278080bbed435b755f9b46748eJiri Pirko err = team_options_register(team, team_options, ARRAY_SIZE(team_options)); 760358b838291f618278080bbed435b755f9b46748eJiri Pirko if (err) 761358b838291f618278080bbed435b755f9b46748eJiri Pirko goto err_options_register; 7623d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko netif_carrier_off(dev); 7633d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 7643d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return 0; 765358b838291f618278080bbed435b755f9b46748eJiri Pirko 766358b838291f618278080bbed435b755f9b46748eJiri Pirkoerr_options_register: 767358b838291f618278080bbed435b755f9b46748eJiri Pirko free_percpu(team->pcpu_stats); 768358b838291f618278080bbed435b755f9b46748eJiri Pirko 769358b838291f618278080bbed435b755f9b46748eJiri Pirko return err; 7703d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 7713d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 7723d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic void team_uninit(struct net_device *dev) 7733d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 7743d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team *team = netdev_priv(dev); 7753d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team_port *port; 7763d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team_port *tmp; 7773d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 77861dc3461b9549bc10a2f16d254250680cadafcceJiri Pirko mutex_lock(&team->lock); 7793d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko list_for_each_entry_safe(port, tmp, &team->port_list, list) 7803d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko team_port_del(team, port->dev); 7813d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 7823d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko __team_change_mode(team, NULL); /* cleanup */ 7833d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko __team_options_unregister(team, team_options, ARRAY_SIZE(team_options)); 78461dc3461b9549bc10a2f16d254250680cadafcceJiri Pirko mutex_unlock(&team->lock); 7853d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 7863d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 7873d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic void team_destructor(struct net_device *dev) 7883d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 7893d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team *team = netdev_priv(dev); 7903d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 7913d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko free_percpu(team->pcpu_stats); 7923d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko free_netdev(dev); 7933d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 7943d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 7953d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic int team_open(struct net_device *dev) 7963d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 7973d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko netif_carrier_on(dev); 7983d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return 0; 7993d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 8003d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 8013d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic int team_close(struct net_device *dev) 8023d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 8033d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko netif_carrier_off(dev); 8043d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return 0; 8053d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 8063d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 8073d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko/* 8083d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko * note: already called with rcu_read_lock 8093d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko */ 8103d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic netdev_tx_t team_xmit(struct sk_buff *skb, struct net_device *dev) 8113d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 8123d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team *team = netdev_priv(dev); 8133d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko bool tx_success = false; 8143d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko unsigned int len = skb->len; 8153d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 8163d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko tx_success = team->ops.transmit(team, skb); 8173d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (tx_success) { 8183d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team_pcpu_stats *pcpu_stats; 8193d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 8203d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko pcpu_stats = this_cpu_ptr(team->pcpu_stats); 8213d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko u64_stats_update_begin(&pcpu_stats->syncp); 8223d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko pcpu_stats->tx_packets++; 8233d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko pcpu_stats->tx_bytes += len; 8243d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko u64_stats_update_end(&pcpu_stats->syncp); 8253d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } else { 8263d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko this_cpu_inc(team->pcpu_stats->tx_dropped); 8273d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 8283d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 8293d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return NETDEV_TX_OK; 8303d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 8313d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 8323d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic void team_change_rx_flags(struct net_device *dev, int change) 8333d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 8343d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team *team = netdev_priv(dev); 8353d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team_port *port; 8363d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko int inc; 8373d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 8383d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko rcu_read_lock(); 8393d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko list_for_each_entry_rcu(port, &team->port_list, list) { 8403d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (change & IFF_PROMISC) { 8413d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko inc = dev->flags & IFF_PROMISC ? 1 : -1; 8423d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko dev_set_promiscuity(port->dev, inc); 8433d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 8443d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (change & IFF_ALLMULTI) { 8453d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko inc = dev->flags & IFF_ALLMULTI ? 1 : -1; 8463d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko dev_set_allmulti(port->dev, inc); 8473d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 8483d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 8493d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko rcu_read_unlock(); 8503d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 8513d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 8523d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic void team_set_rx_mode(struct net_device *dev) 8533d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 8543d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team *team = netdev_priv(dev); 8553d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team_port *port; 8563d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 8573d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko rcu_read_lock(); 8583d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko list_for_each_entry_rcu(port, &team->port_list, list) { 8593d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko dev_uc_sync(port->dev, dev); 8603d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko dev_mc_sync(port->dev, dev); 8613d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 8623d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko rcu_read_unlock(); 8633d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 8643d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 8653d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic int team_set_mac_address(struct net_device *dev, void *p) 8663d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 8673d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team *team = netdev_priv(dev); 8683d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team_port *port; 8693d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct sockaddr *addr = p; 8703d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 8717ce5d222190cb3ce3ae88bafde7c4fa52a5103e0Danny Kukawka dev->addr_assign_type &= ~NET_ADDR_RANDOM; 8723d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN); 8733d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko rcu_read_lock(); 8743d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko list_for_each_entry_rcu(port, &team->port_list, list) 8753d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (team->ops.port_change_mac) 8763d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko team->ops.port_change_mac(team, port); 8773d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko rcu_read_unlock(); 8783d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return 0; 8793d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 8803d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 8813d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic int team_change_mtu(struct net_device *dev, int new_mtu) 8823d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 8833d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team *team = netdev_priv(dev); 8843d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team_port *port; 8853d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko int err; 8863d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 8873d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko /* 8883d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko * Alhough this is reader, it's guarded by team lock. It's not possible 8893d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko * to traverse list in reverse under rcu_read_lock 8903d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko */ 89161dc3461b9549bc10a2f16d254250680cadafcceJiri Pirko mutex_lock(&team->lock); 8923d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko list_for_each_entry(port, &team->port_list, list) { 8933d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko err = dev_set_mtu(port->dev, new_mtu); 8943d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (err) { 8953d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko netdev_err(dev, "Device %s failed to change mtu", 8963d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko port->dev->name); 8973d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko goto unwind; 8983d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 8993d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 90061dc3461b9549bc10a2f16d254250680cadafcceJiri Pirko mutex_unlock(&team->lock); 9013d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 9023d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko dev->mtu = new_mtu; 9033d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 9043d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return 0; 9053d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 9063d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkounwind: 9073d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko list_for_each_entry_continue_reverse(port, &team->port_list, list) 9083d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko dev_set_mtu(port->dev, dev->mtu); 90961dc3461b9549bc10a2f16d254250680cadafcceJiri Pirko mutex_unlock(&team->lock); 9103d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 9113d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return err; 9123d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 9133d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 9143d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic struct rtnl_link_stats64 * 9153d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkoteam_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats) 9163d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 9173d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team *team = netdev_priv(dev); 9183d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team_pcpu_stats *p; 9193d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko u64 rx_packets, rx_bytes, rx_multicast, tx_packets, tx_bytes; 9203d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko u32 rx_dropped = 0, tx_dropped = 0; 9213d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko unsigned int start; 9223d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko int i; 9233d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 9243d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko for_each_possible_cpu(i) { 9253d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko p = per_cpu_ptr(team->pcpu_stats, i); 9263d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko do { 9273d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko start = u64_stats_fetch_begin_bh(&p->syncp); 9283d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko rx_packets = p->rx_packets; 9293d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko rx_bytes = p->rx_bytes; 9303d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko rx_multicast = p->rx_multicast; 9313d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko tx_packets = p->tx_packets; 9323d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko tx_bytes = p->tx_bytes; 9333d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } while (u64_stats_fetch_retry_bh(&p->syncp, start)); 9343d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 9353d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko stats->rx_packets += rx_packets; 9363d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko stats->rx_bytes += rx_bytes; 9373d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko stats->multicast += rx_multicast; 9383d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko stats->tx_packets += tx_packets; 9393d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko stats->tx_bytes += tx_bytes; 9403d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko /* 9413d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko * rx_dropped & tx_dropped are u32, updated 9423d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko * without syncp protection. 9433d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko */ 9443d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko rx_dropped += p->rx_dropped; 9453d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko tx_dropped += p->tx_dropped; 9463d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 9473d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko stats->rx_dropped = rx_dropped; 9483d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko stats->tx_dropped = tx_dropped; 9493d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return stats; 9503d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 9513d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 9528e586137e6b63af1e881b328466ab5ffbe562510Jiri Pirkostatic int team_vlan_rx_add_vid(struct net_device *dev, uint16_t vid) 9533d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 9543d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team *team = netdev_priv(dev); 9553d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team_port *port; 95687002b03baabd2b8f6281ab6411ed88d24958de1Jiri Pirko int err; 9573d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 95887002b03baabd2b8f6281ab6411ed88d24958de1Jiri Pirko /* 95987002b03baabd2b8f6281ab6411ed88d24958de1Jiri Pirko * Alhough this is reader, it's guarded by team lock. It's not possible 96087002b03baabd2b8f6281ab6411ed88d24958de1Jiri Pirko * to traverse list in reverse under rcu_read_lock 96187002b03baabd2b8f6281ab6411ed88d24958de1Jiri Pirko */ 96287002b03baabd2b8f6281ab6411ed88d24958de1Jiri Pirko mutex_lock(&team->lock); 96387002b03baabd2b8f6281ab6411ed88d24958de1Jiri Pirko list_for_each_entry(port, &team->port_list, list) { 96487002b03baabd2b8f6281ab6411ed88d24958de1Jiri Pirko err = vlan_vid_add(port->dev, vid); 96587002b03baabd2b8f6281ab6411ed88d24958de1Jiri Pirko if (err) 96687002b03baabd2b8f6281ab6411ed88d24958de1Jiri Pirko goto unwind; 9673d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 96887002b03baabd2b8f6281ab6411ed88d24958de1Jiri Pirko mutex_unlock(&team->lock); 9698e586137e6b63af1e881b328466ab5ffbe562510Jiri Pirko 9708e586137e6b63af1e881b328466ab5ffbe562510Jiri Pirko return 0; 97187002b03baabd2b8f6281ab6411ed88d24958de1Jiri Pirko 97287002b03baabd2b8f6281ab6411ed88d24958de1Jiri Pirkounwind: 97387002b03baabd2b8f6281ab6411ed88d24958de1Jiri Pirko list_for_each_entry_continue_reverse(port, &team->port_list, list) 97487002b03baabd2b8f6281ab6411ed88d24958de1Jiri Pirko vlan_vid_del(port->dev, vid); 97587002b03baabd2b8f6281ab6411ed88d24958de1Jiri Pirko mutex_unlock(&team->lock); 97687002b03baabd2b8f6281ab6411ed88d24958de1Jiri Pirko 97787002b03baabd2b8f6281ab6411ed88d24958de1Jiri Pirko return err; 9783d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 9793d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 9808e586137e6b63af1e881b328466ab5ffbe562510Jiri Pirkostatic int team_vlan_rx_kill_vid(struct net_device *dev, uint16_t vid) 9813d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 9823d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team *team = netdev_priv(dev); 9833d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team_port *port; 9843d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 9853d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko rcu_read_lock(); 98687002b03baabd2b8f6281ab6411ed88d24958de1Jiri Pirko list_for_each_entry_rcu(port, &team->port_list, list) 98787002b03baabd2b8f6281ab6411ed88d24958de1Jiri Pirko vlan_vid_del(port->dev, vid); 9883d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko rcu_read_unlock(); 9898e586137e6b63af1e881b328466ab5ffbe562510Jiri Pirko 9908e586137e6b63af1e881b328466ab5ffbe562510Jiri Pirko return 0; 9913d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 9923d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 9933d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic int team_add_slave(struct net_device *dev, struct net_device *port_dev) 9943d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 9953d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team *team = netdev_priv(dev); 9963d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko int err; 9973d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 99861dc3461b9549bc10a2f16d254250680cadafcceJiri Pirko mutex_lock(&team->lock); 9993d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko err = team_port_add(team, port_dev); 100061dc3461b9549bc10a2f16d254250680cadafcceJiri Pirko mutex_unlock(&team->lock); 10013d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return err; 10023d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 10033d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 10043d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic int team_del_slave(struct net_device *dev, struct net_device *port_dev) 10053d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 10063d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team *team = netdev_priv(dev); 10073d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko int err; 10083d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 100961dc3461b9549bc10a2f16d254250680cadafcceJiri Pirko mutex_lock(&team->lock); 10103d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko err = team_port_del(team, port_dev); 101161dc3461b9549bc10a2f16d254250680cadafcceJiri Pirko mutex_unlock(&team->lock); 10123d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return err; 10133d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 10143d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 1015234a8fd49d086f5a3debb379bfdf4e6b51f0c0e2Jiri Pirkostatic netdev_features_t team_fix_features(struct net_device *dev, 1016234a8fd49d086f5a3debb379bfdf4e6b51f0c0e2Jiri Pirko netdev_features_t features) 1017234a8fd49d086f5a3debb379bfdf4e6b51f0c0e2Jiri Pirko{ 1018234a8fd49d086f5a3debb379bfdf4e6b51f0c0e2Jiri Pirko struct team_port *port; 1019234a8fd49d086f5a3debb379bfdf4e6b51f0c0e2Jiri Pirko struct team *team = netdev_priv(dev); 1020234a8fd49d086f5a3debb379bfdf4e6b51f0c0e2Jiri Pirko netdev_features_t mask; 1021234a8fd49d086f5a3debb379bfdf4e6b51f0c0e2Jiri Pirko 1022234a8fd49d086f5a3debb379bfdf4e6b51f0c0e2Jiri Pirko mask = features; 1023234a8fd49d086f5a3debb379bfdf4e6b51f0c0e2Jiri Pirko features &= ~NETIF_F_ONE_FOR_ALL; 1024234a8fd49d086f5a3debb379bfdf4e6b51f0c0e2Jiri Pirko features |= NETIF_F_ALL_FOR_ALL; 1025234a8fd49d086f5a3debb379bfdf4e6b51f0c0e2Jiri Pirko 1026234a8fd49d086f5a3debb379bfdf4e6b51f0c0e2Jiri Pirko rcu_read_lock(); 1027234a8fd49d086f5a3debb379bfdf4e6b51f0c0e2Jiri Pirko list_for_each_entry_rcu(port, &team->port_list, list) { 1028234a8fd49d086f5a3debb379bfdf4e6b51f0c0e2Jiri Pirko features = netdev_increment_features(features, 1029234a8fd49d086f5a3debb379bfdf4e6b51f0c0e2Jiri Pirko port->dev->features, 1030234a8fd49d086f5a3debb379bfdf4e6b51f0c0e2Jiri Pirko mask); 1031234a8fd49d086f5a3debb379bfdf4e6b51f0c0e2Jiri Pirko } 1032234a8fd49d086f5a3debb379bfdf4e6b51f0c0e2Jiri Pirko rcu_read_unlock(); 1033234a8fd49d086f5a3debb379bfdf4e6b51f0c0e2Jiri Pirko return features; 1034234a8fd49d086f5a3debb379bfdf4e6b51f0c0e2Jiri Pirko} 1035234a8fd49d086f5a3debb379bfdf4e6b51f0c0e2Jiri Pirko 10363d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic const struct net_device_ops team_netdev_ops = { 10373d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .ndo_init = team_init, 10383d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .ndo_uninit = team_uninit, 10393d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .ndo_open = team_open, 10403d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .ndo_stop = team_close, 10413d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .ndo_start_xmit = team_xmit, 10423d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .ndo_change_rx_flags = team_change_rx_flags, 10433d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .ndo_set_rx_mode = team_set_rx_mode, 10443d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .ndo_set_mac_address = team_set_mac_address, 10453d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .ndo_change_mtu = team_change_mtu, 10463d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .ndo_get_stats64 = team_get_stats64, 10473d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .ndo_vlan_rx_add_vid = team_vlan_rx_add_vid, 10483d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .ndo_vlan_rx_kill_vid = team_vlan_rx_kill_vid, 10493d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .ndo_add_slave = team_add_slave, 10503d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .ndo_del_slave = team_del_slave, 1051234a8fd49d086f5a3debb379bfdf4e6b51f0c0e2Jiri Pirko .ndo_fix_features = team_fix_features, 10523d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko}; 10533d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 10543d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 10553d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko/*********************** 10563d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko * rt netlink interface 10573d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko ***********************/ 10583d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 10593d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic void team_setup(struct net_device *dev) 10603d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 10613d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko ether_setup(dev); 10623d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 10633d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko dev->netdev_ops = &team_netdev_ops; 10643d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko dev->destructor = team_destructor; 10653d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko dev->tx_queue_len = 0; 10663d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko dev->flags |= IFF_MULTICAST; 10673d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko dev->priv_flags &= ~(IFF_XMIT_DST_RELEASE | IFF_TX_SKB_SHARING); 10683d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 10693d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko /* 10703d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko * Indicate we support unicast address filtering. That way core won't 10713d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko * bring us to promisc mode in case a unicast addr is added. 10723d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko * Let this up to underlay drivers. 10733d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko */ 10743d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko dev->priv_flags |= IFF_UNICAST_FLT; 10753d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 10763d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko dev->features |= NETIF_F_LLTX; 10773d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko dev->features |= NETIF_F_GRO; 10783d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko dev->hw_features = NETIF_F_HW_VLAN_TX | 10793d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko NETIF_F_HW_VLAN_RX | 10803d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko NETIF_F_HW_VLAN_FILTER; 10813d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 10823d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko dev->features |= dev->hw_features; 10833d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 10843d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 10853d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic int team_newlink(struct net *src_net, struct net_device *dev, 10863d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct nlattr *tb[], struct nlattr *data[]) 10873d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 10883d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko int err; 10893d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 10903d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (tb[IFLA_ADDRESS] == NULL) 10917ce5d222190cb3ce3ae88bafde7c4fa52a5103e0Danny Kukawka eth_hw_addr_random(dev); 10923d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 10933d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko err = register_netdevice(dev); 10943d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (err) 10953d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return err; 10963d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 10973d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return 0; 10983d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 10993d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 11003d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic int team_validate(struct nlattr *tb[], struct nlattr *data[]) 11013d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 11023d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (tb[IFLA_ADDRESS]) { 11033d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (nla_len(tb[IFLA_ADDRESS]) != ETH_ALEN) 11043d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return -EINVAL; 11053d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (!is_valid_ether_addr(nla_data(tb[IFLA_ADDRESS]))) 11063d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return -EADDRNOTAVAIL; 11073d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 11083d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return 0; 11093d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 11103d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 11113d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic struct rtnl_link_ops team_link_ops __read_mostly = { 11123d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .kind = DRV_NAME, 11133d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .priv_size = sizeof(struct team), 11143d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .setup = team_setup, 11153d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .newlink = team_newlink, 11163d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .validate = team_validate, 11173d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko}; 11183d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 11193d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 11203d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko/*********************************** 11213d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko * Generic netlink custom interface 11223d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko ***********************************/ 11233d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 11243d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic struct genl_family team_nl_family = { 11253d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .id = GENL_ID_GENERATE, 11263d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .name = TEAM_GENL_NAME, 11273d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .version = TEAM_GENL_VERSION, 11283d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .maxattr = TEAM_ATTR_MAX, 11293d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .netnsok = true, 11303d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko}; 11313d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 11323d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic const struct nla_policy team_nl_policy[TEAM_ATTR_MAX + 1] = { 11333d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko [TEAM_ATTR_UNSPEC] = { .type = NLA_UNSPEC, }, 11343d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko [TEAM_ATTR_TEAM_IFINDEX] = { .type = NLA_U32 }, 11353d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko [TEAM_ATTR_LIST_OPTION] = { .type = NLA_NESTED }, 11363d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko [TEAM_ATTR_LIST_PORT] = { .type = NLA_NESTED }, 11373d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko}; 11383d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 11393d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic const struct nla_policy 11403d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkoteam_nl_option_policy[TEAM_ATTR_OPTION_MAX + 1] = { 11413d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko [TEAM_ATTR_OPTION_UNSPEC] = { .type = NLA_UNSPEC, }, 11423d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko [TEAM_ATTR_OPTION_NAME] = { 11433d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .type = NLA_STRING, 11443d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .len = TEAM_STRING_MAX_LEN, 11453d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko }, 11463d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko [TEAM_ATTR_OPTION_CHANGED] = { .type = NLA_FLAG }, 11473d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko [TEAM_ATTR_OPTION_TYPE] = { .type = NLA_U8 }, 11483d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko [TEAM_ATTR_OPTION_DATA] = { 11493d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .type = NLA_BINARY, 11503d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .len = TEAM_STRING_MAX_LEN, 11513d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko }, 11523d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko}; 11533d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 11543d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic int team_nl_cmd_noop(struct sk_buff *skb, struct genl_info *info) 11553d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 11563d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct sk_buff *msg; 11573d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko void *hdr; 11583d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko int err; 11593d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 11603d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); 11613d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (!msg) 11623d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return -ENOMEM; 11633d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 11643d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko hdr = genlmsg_put(msg, info->snd_pid, info->snd_seq, 11653d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko &team_nl_family, 0, TEAM_CMD_NOOP); 11663d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (IS_ERR(hdr)) { 11673d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko err = PTR_ERR(hdr); 11683d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko goto err_msg_put; 11693d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 11703d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 11713d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko genlmsg_end(msg, hdr); 11723d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 11733d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return genlmsg_unicast(genl_info_net(info), msg, info->snd_pid); 11743d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 11753d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkoerr_msg_put: 11763d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko nlmsg_free(msg); 11773d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 11783d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return err; 11793d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 11803d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 11813d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko/* 11823d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko * Netlink cmd functions should be locked by following two functions. 11838c0713a57482ebfadef197c856a38af3a55444c6Jiri Pirko * Since dev gets held here, that ensures dev won't disappear in between. 11843d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko */ 11853d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic struct team *team_nl_team_get(struct genl_info *info) 11863d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 11873d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct net *net = genl_info_net(info); 11883d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko int ifindex; 11893d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct net_device *dev; 11903d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team *team; 11913d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 11923d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (!info->attrs[TEAM_ATTR_TEAM_IFINDEX]) 11933d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return NULL; 11943d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 11953d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko ifindex = nla_get_u32(info->attrs[TEAM_ATTR_TEAM_IFINDEX]); 11968c0713a57482ebfadef197c856a38af3a55444c6Jiri Pirko dev = dev_get_by_index(net, ifindex); 11973d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (!dev || dev->netdev_ops != &team_netdev_ops) { 11988c0713a57482ebfadef197c856a38af3a55444c6Jiri Pirko if (dev) 11998c0713a57482ebfadef197c856a38af3a55444c6Jiri Pirko dev_put(dev); 12003d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return NULL; 12013d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 12023d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 12033d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko team = netdev_priv(dev); 120461dc3461b9549bc10a2f16d254250680cadafcceJiri Pirko mutex_lock(&team->lock); 12053d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return team; 12063d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 12073d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 12083d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic void team_nl_team_put(struct team *team) 12093d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 121061dc3461b9549bc10a2f16d254250680cadafcceJiri Pirko mutex_unlock(&team->lock); 12118c0713a57482ebfadef197c856a38af3a55444c6Jiri Pirko dev_put(team->dev); 12123d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 12133d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 12143d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic int team_nl_send_generic(struct genl_info *info, struct team *team, 12153d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko int (*fill_func)(struct sk_buff *skb, 12163d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct genl_info *info, 12173d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko int flags, struct team *team)) 12183d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 12193d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct sk_buff *skb; 12203d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko int err; 12213d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 12223d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko skb = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); 12233d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (!skb) 12243d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return -ENOMEM; 12253d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 12263d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko err = fill_func(skb, info, NLM_F_ACK, team); 12273d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (err < 0) 12283d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko goto err_fill; 12293d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 12303d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko err = genlmsg_unicast(genl_info_net(info), skb, info->snd_pid); 12313d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return err; 12323d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 12333d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkoerr_fill: 12343d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko nlmsg_free(skb); 12353d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return err; 12363d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 12373d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 1238b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirkostatic int team_nl_fill_options_get(struct sk_buff *skb, 1239b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko u32 pid, u32 seq, int flags, 1240b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko struct team *team, bool fillall) 12413d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 12423d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct nlattr *option_list; 12433d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko void *hdr; 12443d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team_option *option; 12453d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 12463d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko hdr = genlmsg_put(skb, pid, seq, &team_nl_family, flags, 12473d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko TEAM_CMD_OPTIONS_GET); 12483d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (IS_ERR(hdr)) 12493d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return PTR_ERR(hdr); 12503d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 12513d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko NLA_PUT_U32(skb, TEAM_ATTR_TEAM_IFINDEX, team->dev->ifindex); 12523d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko option_list = nla_nest_start(skb, TEAM_ATTR_LIST_OPTION); 12533d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (!option_list) 12543d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return -EMSGSIZE; 12553d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 12563d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko list_for_each_entry(option, &team->option_list, list) { 12573d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct nlattr *option_item; 12583d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko long arg; 12593d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 1260b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko /* Include only changed options if fill all mode is not on */ 1261b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko if (!fillall && !option->changed) 1262b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko continue; 12633d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko option_item = nla_nest_start(skb, TEAM_ATTR_ITEM_OPTION); 12643d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (!option_item) 12653d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko goto nla_put_failure; 12663d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko NLA_PUT_STRING(skb, TEAM_ATTR_OPTION_NAME, option->name); 1267b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko if (option->changed) { 12683d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko NLA_PUT_FLAG(skb, TEAM_ATTR_OPTION_CHANGED); 1269b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko option->changed = false; 1270b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko } 1271b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko if (option->removed) 1272b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko NLA_PUT_FLAG(skb, TEAM_ATTR_OPTION_REMOVED); 12733d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko switch (option->type) { 12743d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko case TEAM_OPTION_TYPE_U32: 12753d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko NLA_PUT_U8(skb, TEAM_ATTR_OPTION_TYPE, NLA_U32); 12763d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko team_option_get(team, option, &arg); 12773d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko NLA_PUT_U32(skb, TEAM_ATTR_OPTION_DATA, arg); 12783d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko break; 12793d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko case TEAM_OPTION_TYPE_STRING: 12803d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko NLA_PUT_U8(skb, TEAM_ATTR_OPTION_TYPE, NLA_STRING); 12813d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko team_option_get(team, option, &arg); 12823d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko NLA_PUT_STRING(skb, TEAM_ATTR_OPTION_DATA, 12833d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko (char *) arg); 12843d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko break; 12853d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko default: 12863d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko BUG(); 12873d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 12883d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko nla_nest_end(skb, option_item); 12893d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 12903d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 12913d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko nla_nest_end(skb, option_list); 12923d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return genlmsg_end(skb, hdr); 12933d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 12943d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkonla_put_failure: 12953d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko genlmsg_cancel(skb, hdr); 12963d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return -EMSGSIZE; 12973d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 12983d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 1299b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirkostatic int team_nl_fill_options_get_all(struct sk_buff *skb, 1300b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko struct genl_info *info, int flags, 1301b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko struct team *team) 13023d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 1303b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko return team_nl_fill_options_get(skb, info->snd_pid, 1304b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko info->snd_seq, NLM_F_ACK, 1305b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko team, true); 13063d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 13073d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 13083d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic int team_nl_cmd_options_get(struct sk_buff *skb, struct genl_info *info) 13093d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 13103d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team *team; 13113d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko int err; 13123d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 13133d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko team = team_nl_team_get(info); 13143d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (!team) 13153d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return -EINVAL; 13163d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 1317b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko err = team_nl_send_generic(info, team, team_nl_fill_options_get_all); 13183d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 13193d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko team_nl_team_put(team); 13203d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 13213d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return err; 13223d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 13233d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 13243d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic int team_nl_cmd_options_set(struct sk_buff *skb, struct genl_info *info) 13253d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 13263d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team *team; 13273d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko int err = 0; 13283d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko int i; 13293d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct nlattr *nl_option; 13303d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 13313d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko team = team_nl_team_get(info); 13323d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (!team) 13333d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return -EINVAL; 13343d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 13353d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko err = -EINVAL; 13363d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (!info->attrs[TEAM_ATTR_LIST_OPTION]) { 13373d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko err = -EINVAL; 13383d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko goto team_put; 13393d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 13403d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 13413d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko nla_for_each_nested(nl_option, info->attrs[TEAM_ATTR_LIST_OPTION], i) { 13423d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct nlattr *mode_attrs[TEAM_ATTR_OPTION_MAX + 1]; 13433d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko enum team_option_type opt_type; 13443d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team_option *option; 13453d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko char *opt_name; 13463d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko bool opt_found = false; 13473d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 13483d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (nla_type(nl_option) != TEAM_ATTR_ITEM_OPTION) { 13493d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko err = -EINVAL; 13503d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko goto team_put; 13513d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 13523d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko err = nla_parse_nested(mode_attrs, TEAM_ATTR_OPTION_MAX, 13533d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko nl_option, team_nl_option_policy); 13543d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (err) 13553d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko goto team_put; 13563d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (!mode_attrs[TEAM_ATTR_OPTION_NAME] || 13573d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko !mode_attrs[TEAM_ATTR_OPTION_TYPE] || 13583d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko !mode_attrs[TEAM_ATTR_OPTION_DATA]) { 13593d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko err = -EINVAL; 13603d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko goto team_put; 13613d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 13623d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko switch (nla_get_u8(mode_attrs[TEAM_ATTR_OPTION_TYPE])) { 13633d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko case NLA_U32: 13643d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko opt_type = TEAM_OPTION_TYPE_U32; 13653d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko break; 13663d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko case NLA_STRING: 13673d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko opt_type = TEAM_OPTION_TYPE_STRING; 13683d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko break; 13693d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko default: 13703d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko goto team_put; 13713d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 13723d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 13733d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko opt_name = nla_data(mode_attrs[TEAM_ATTR_OPTION_NAME]); 13743d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko list_for_each_entry(option, &team->option_list, list) { 13753d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko long arg; 13763d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct nlattr *opt_data_attr; 13773d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 13783d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (option->type != opt_type || 13793d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko strcmp(option->name, opt_name)) 13803d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko continue; 13813d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko opt_found = true; 13823d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko opt_data_attr = mode_attrs[TEAM_ATTR_OPTION_DATA]; 13833d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko switch (opt_type) { 13843d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko case TEAM_OPTION_TYPE_U32: 13853d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko arg = nla_get_u32(opt_data_attr); 13863d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko break; 13873d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko case TEAM_OPTION_TYPE_STRING: 13883d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko arg = (long) nla_data(opt_data_attr); 13893d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko break; 13903d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko default: 13913d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko BUG(); 13923d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 13933d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko err = team_option_set(team, option, &arg); 13943d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (err) 13953d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko goto team_put; 13963d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 13973d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (!opt_found) { 13983d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko err = -ENOENT; 13993d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko goto team_put; 14003d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 14013d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 14023d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 14033d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkoteam_put: 14043d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko team_nl_team_put(team); 14053d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 14063d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return err; 14073d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 14083d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 1409b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirkostatic int team_nl_fill_port_list_get(struct sk_buff *skb, 1410b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko u32 pid, u32 seq, int flags, 1411b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko struct team *team, 1412b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko bool fillall) 14133d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 14143d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct nlattr *port_list; 14153d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko void *hdr; 14163d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team_port *port; 14173d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 14183d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko hdr = genlmsg_put(skb, pid, seq, &team_nl_family, flags, 14193d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko TEAM_CMD_PORT_LIST_GET); 14203d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (IS_ERR(hdr)) 14213d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return PTR_ERR(hdr); 14223d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 14233d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko NLA_PUT_U32(skb, TEAM_ATTR_TEAM_IFINDEX, team->dev->ifindex); 14243d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko port_list = nla_nest_start(skb, TEAM_ATTR_LIST_PORT); 14253d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (!port_list) 14263d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return -EMSGSIZE; 14273d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 14283d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko list_for_each_entry(port, &team->port_list, list) { 14293d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct nlattr *port_item; 14303d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 1431b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko /* Include only changed ports if fill all mode is not on */ 1432b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko if (!fillall && !port->changed) 1433b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko continue; 14343d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko port_item = nla_nest_start(skb, TEAM_ATTR_ITEM_PORT); 14353d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (!port_item) 14363d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko goto nla_put_failure; 14373d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko NLA_PUT_U32(skb, TEAM_ATTR_PORT_IFINDEX, port->dev->ifindex); 1438b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko if (port->changed) { 14393d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko NLA_PUT_FLAG(skb, TEAM_ATTR_PORT_CHANGED); 1440b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko port->changed = false; 1441b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko } 1442b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko if (port->removed) 1443b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko NLA_PUT_FLAG(skb, TEAM_ATTR_PORT_REMOVED); 14443d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (port->linkup) 14453d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko NLA_PUT_FLAG(skb, TEAM_ATTR_PORT_LINKUP); 14463d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko NLA_PUT_U32(skb, TEAM_ATTR_PORT_SPEED, port->speed); 14473d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko NLA_PUT_U8(skb, TEAM_ATTR_PORT_DUPLEX, port->duplex); 14483d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko nla_nest_end(skb, port_item); 14493d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 14503d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 14513d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko nla_nest_end(skb, port_list); 14523d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return genlmsg_end(skb, hdr); 14533d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 14543d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkonla_put_failure: 14553d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko genlmsg_cancel(skb, hdr); 14563d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return -EMSGSIZE; 14573d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 14583d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 1459b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirkostatic int team_nl_fill_port_list_get_all(struct sk_buff *skb, 1460b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko struct genl_info *info, int flags, 1461b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko struct team *team) 14623d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 1463b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko return team_nl_fill_port_list_get(skb, info->snd_pid, 1464b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko info->snd_seq, NLM_F_ACK, 1465b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko team, true); 14663d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 14673d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 14683d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic int team_nl_cmd_port_list_get(struct sk_buff *skb, 14693d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct genl_info *info) 14703d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 14713d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team *team; 14723d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko int err; 14733d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 14743d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko team = team_nl_team_get(info); 14753d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (!team) 14763d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return -EINVAL; 14773d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 1478b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko err = team_nl_send_generic(info, team, team_nl_fill_port_list_get_all); 14793d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 14803d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko team_nl_team_put(team); 14813d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 14823d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return err; 14833d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 14843d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 14853d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic struct genl_ops team_nl_ops[] = { 14863d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko { 14873d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .cmd = TEAM_CMD_NOOP, 14883d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .doit = team_nl_cmd_noop, 14893d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .policy = team_nl_policy, 14903d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko }, 14913d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko { 14923d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .cmd = TEAM_CMD_OPTIONS_SET, 14933d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .doit = team_nl_cmd_options_set, 14943d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .policy = team_nl_policy, 14953d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .flags = GENL_ADMIN_PERM, 14963d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko }, 14973d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko { 14983d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .cmd = TEAM_CMD_OPTIONS_GET, 14993d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .doit = team_nl_cmd_options_get, 15003d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .policy = team_nl_policy, 15013d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .flags = GENL_ADMIN_PERM, 15023d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko }, 15033d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko { 15043d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .cmd = TEAM_CMD_PORT_LIST_GET, 15053d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .doit = team_nl_cmd_port_list_get, 15063d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .policy = team_nl_policy, 15073d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .flags = GENL_ADMIN_PERM, 15083d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko }, 15093d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko}; 15103d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 15113d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic struct genl_multicast_group team_change_event_mcgrp = { 15123d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .name = TEAM_GENL_CHANGE_EVENT_MC_GRP_NAME, 15133d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko}; 15143d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 1515b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirkostatic int team_nl_send_event_options_get(struct team *team) 15163d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 15173d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct sk_buff *skb; 15183d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko int err; 15193d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct net *net = dev_net(team->dev); 15203d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 15213d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko skb = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); 15223d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (!skb) 15233d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return -ENOMEM; 15243d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 1525b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko err = team_nl_fill_options_get(skb, 0, 0, 0, team, false); 15263d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (err < 0) 15273d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko goto err_fill; 15283d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 15293d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko err = genlmsg_multicast_netns(net, skb, 0, team_change_event_mcgrp.id, 15303d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko GFP_KERNEL); 15313d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return err; 15323d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 15333d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkoerr_fill: 15343d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko nlmsg_free(skb); 15353d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return err; 15363d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 15373d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 1538b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirkostatic int team_nl_send_event_port_list_get(struct team *team) 15393d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 15403d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct sk_buff *skb; 15413d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko int err; 1542b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko struct net *net = dev_net(team->dev); 15433d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 15443d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko skb = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); 15453d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (!skb) 15463d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return -ENOMEM; 15473d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 1548b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko err = team_nl_fill_port_list_get(skb, 0, 0, 0, team, false); 15493d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (err < 0) 15503d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko goto err_fill; 15513d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 15523d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko err = genlmsg_multicast_netns(net, skb, 0, team_change_event_mcgrp.id, 15533d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko GFP_KERNEL); 15543d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return err; 15553d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 15563d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkoerr_fill: 15573d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko nlmsg_free(skb); 15583d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return err; 15593d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 15603d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 15613d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic int team_nl_init(void) 15623d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 15633d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko int err; 15643d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 15653d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko err = genl_register_family_with_ops(&team_nl_family, team_nl_ops, 15663d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko ARRAY_SIZE(team_nl_ops)); 15673d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (err) 15683d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return err; 15693d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 15703d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko err = genl_register_mc_group(&team_nl_family, &team_change_event_mcgrp); 15713d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (err) 15723d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko goto err_change_event_grp_reg; 15733d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 15743d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return 0; 15753d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 15763d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkoerr_change_event_grp_reg: 15773d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko genl_unregister_family(&team_nl_family); 15783d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 15793d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return err; 15803d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 15813d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 15823d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic void team_nl_fini(void) 15833d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 15843d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko genl_unregister_family(&team_nl_family); 15853d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 15863d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 15873d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 15883d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko/****************** 15893d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko * Change checkers 15903d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko ******************/ 15913d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 1592b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirkostatic void __team_options_change_check(struct team *team) 15933d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 15943d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko int err; 15953d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 1596b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko err = team_nl_send_event_options_get(team); 15973d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (err) 15983d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko netdev_warn(team->dev, "Failed to send options change via netlink\n"); 15993d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 16003d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 16013d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko/* rtnl lock is held */ 16023d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic void __team_port_change_check(struct team_port *port, bool linkup) 16033d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 16043d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko int err; 16053d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 1606b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko if (!port->removed && port->linkup == linkup) 16073d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return; 16083d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 1609b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko port->changed = true; 16103d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko port->linkup = linkup; 16113d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (linkup) { 16123d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct ethtool_cmd ecmd; 16133d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 16143d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko err = __ethtool_get_settings(port->dev, &ecmd); 16153d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (!err) { 16163d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko port->speed = ethtool_cmd_speed(&ecmd); 16173d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko port->duplex = ecmd.duplex; 16183d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko goto send_event; 16193d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 16203d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 16213d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko port->speed = 0; 16223d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko port->duplex = 0; 16233d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 16243d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkosend_event: 1625b82b9183d4f18f9b8c4bb31f223eb6c79b734eb0Jiri Pirko err = team_nl_send_event_port_list_get(port->team); 16263d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (err) 16273d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko netdev_warn(port->team->dev, "Failed to send port change of device %s via netlink\n", 16283d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko port->dev->name); 16293d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 16303d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 16313d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 16323d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic void team_port_change_check(struct team_port *port, bool linkup) 16333d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 16343d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team *team = port->team; 16353d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 163661dc3461b9549bc10a2f16d254250680cadafcceJiri Pirko mutex_lock(&team->lock); 16373d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko __team_port_change_check(port, linkup); 163861dc3461b9549bc10a2f16d254250680cadafcceJiri Pirko mutex_unlock(&team->lock); 16393d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 16403d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 16413d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko/************************************ 16423d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko * Net device notifier event handler 16433d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko ************************************/ 16443d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 16453d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic int team_device_event(struct notifier_block *unused, 16463d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko unsigned long event, void *ptr) 16473d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 16483d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct net_device *dev = (struct net_device *) ptr; 16493d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko struct team_port *port; 16503d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 16513d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko port = team_port_get_rtnl(dev); 16523d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (!port) 16533d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return NOTIFY_DONE; 16543d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 16553d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko switch (event) { 16563d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko case NETDEV_UP: 16573d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (netif_carrier_ok(dev)) 16583d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko team_port_change_check(port, true); 16593d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko case NETDEV_DOWN: 16603d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko team_port_change_check(port, false); 16613d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko case NETDEV_CHANGE: 16623d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (netif_running(port->dev)) 16633d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko team_port_change_check(port, 16643d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko !!netif_carrier_ok(port->dev)); 16653d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko break; 16663d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko case NETDEV_UNREGISTER: 16673d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko team_del_slave(port->team->dev, dev); 16683d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko break; 16693d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko case NETDEV_FEAT_CHANGE: 16703d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko team_compute_features(port->team); 16713d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko break; 16723d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko case NETDEV_CHANGEMTU: 16733d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko /* Forbid to change mtu of underlaying device */ 16743d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return NOTIFY_BAD; 16753d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko case NETDEV_PRE_TYPE_CHANGE: 16763d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko /* Forbid to change type of underlaying device */ 16773d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return NOTIFY_BAD; 16783d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko } 16793d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return NOTIFY_DONE; 16803d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 16813d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 16823d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic struct notifier_block team_notifier_block __read_mostly = { 16833d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko .notifier_call = team_device_event, 16843d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko}; 16853d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 16863d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 16873d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko/*********************** 16883d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko * Module init and exit 16893d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko ***********************/ 16903d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 16913d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic int __init team_module_init(void) 16923d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 16933d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko int err; 16943d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 16953d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko register_netdevice_notifier(&team_notifier_block); 16963d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 16973d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko err = rtnl_link_register(&team_link_ops); 16983d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (err) 16993d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko goto err_rtnl_reg; 17003d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 17013d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko err = team_nl_init(); 17023d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko if (err) 17033d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko goto err_nl_init; 17043d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 17053d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return 0; 17063d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 17073d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkoerr_nl_init: 17083d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko rtnl_link_unregister(&team_link_ops); 17093d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 17103d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkoerr_rtnl_reg: 17113d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko unregister_netdevice_notifier(&team_notifier_block); 17123d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 17133d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko return err; 17143d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 17153d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 17163d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkostatic void __exit team_module_exit(void) 17173d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko{ 17183d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko team_nl_fini(); 17193d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko rtnl_link_unregister(&team_link_ops); 17203d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko unregister_netdevice_notifier(&team_notifier_block); 17213d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko} 17223d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 17233d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkomodule_init(team_module_init); 17243d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirkomodule_exit(team_module_exit); 17253d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri Pirko 17263d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri PirkoMODULE_LICENSE("GPL v2"); 17273d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri PirkoMODULE_AUTHOR("Jiri Pirko <jpirko@redhat.com>"); 17283d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri PirkoMODULE_DESCRIPTION("Ethernet team device driver"); 17293d249d4ca7d0ed6629a135ea1ea21c72286c0d80Jiri PirkoMODULE_ALIAS_RTNL_LINK(DRV_NAME); 1730