// SPDX-License-Identifier: GPL-2.0-or-later /* * drivers/net/team/team_mode_broadcast.c - Broadcast mode for team * Copyright (c) 2012 Jiri Pirko <jpirko@redhat.com> */ #include <linux/kernel.h> #include <linux/types.h> #include <linux/module.h> #include <linux/init.h> #include <linux/errno.h> #include <linux/netdevice.h> #include <linux/if_team.h> static bool bc_transmit(struct team *team, struct sk_buff *skb) { struct team_port *cur; struct team_port *last = NULL; struct sk_buff *skb2; bool ret; bool sum_ret = false; list_for_each_entry_rcu(cur, &team->port_list, list) { if (team_port_txable(cur)) { if (last) { skb2 = skb_clone(skb, GFP_ATOMIC); if (skb2) { ret = !team_dev_queue_xmit(team, last, skb2); if (!sum_ret) sum_ret = ret; } } last = cur; } } if (last) { ret = !team_dev_queue_xmit(team, last, skb); if (!sum_ret) sum_ret = ret; } return sum_ret; } static const struct team_mode_ops bc_mode_ops = { .transmit = bc_transmit, .port_enter = team_modeop_port_enter, .port_change_dev_addr = team_modeop_port_change_dev_addr, }; static const struct team_mode bc_mode = { .kind = "broadcast", .owner = THIS_MODULE, .ops = &bc_mode_ops, .lag_tx_type = NETDEV_LAG_TX_TYPE_BROADCAST, }; static int __init bc_init_module(void) { return team_mode_register(&bc_mode); } static void __exit bc_cleanup_module(void) { team_mode_unregister(&bc_mode); } module_init(bc_init_module); module_exit(bc_cleanup_module); MODULE_LICENSE("GPL v2"); MODULE_AUTHOR("Jiri Pirko <jpirko@redhat.com>"); MODULE_DESCRIPTION("Broadcast mode for team"); MODULE_ALIAS_TEAM_MODE("broadcast");