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1// SPDX-License-Identifier: GPL-2.0-or-later2/*3 * drivers/net/team/team_mode_broadcast.c - Broadcast mode for team4 * Copyright (c) 2012 Jiri Pirko <jpirko@redhat.com>5 */6 7#include <linux/kernel.h>8#include <linux/types.h>9#include <linux/module.h>10#include <linux/init.h>11#include <linux/netdevice.h>12#include <linux/if_team.h>13 14static bool bc_transmit(struct team *team, struct sk_buff *skb)15{16 struct team_port *cur;17 struct team_port *last = NULL;18 struct sk_buff *skb2;19 bool ret;20 bool sum_ret = false;21 22 list_for_each_entry_rcu(cur, &team->port_list, list) {23 if (team_port_txable(cur)) {24 if (last) {25 skb2 = skb_clone(skb, GFP_ATOMIC);26 if (skb2) {27 ret = !team_dev_queue_xmit(team, last,28 skb2);29 if (!sum_ret)30 sum_ret = ret;31 }32 }33 last = cur;34 }35 }36 if (last) {37 ret = !team_dev_queue_xmit(team, last, skb);38 if (!sum_ret)39 sum_ret = ret;40 }41 return sum_ret;42}43 44static const struct team_mode_ops bc_mode_ops = {45 .transmit = bc_transmit,46 .port_enter = team_modeop_port_enter,47 .port_change_dev_addr = team_modeop_port_change_dev_addr,48};49 50static const struct team_mode bc_mode = {51 .kind = "broadcast",52 .owner = THIS_MODULE,53 .ops = &bc_mode_ops,54 .lag_tx_type = NETDEV_LAG_TX_TYPE_BROADCAST,55};56 57static int __init bc_init_module(void)58{59 return team_mode_register(&bc_mode);60}61 62static void __exit bc_cleanup_module(void)63{64 team_mode_unregister(&bc_mode);65}66 67module_init(bc_init_module);68module_exit(bc_cleanup_module);69 70MODULE_LICENSE("GPL v2");71MODULE_AUTHOR("Jiri Pirko <jpirko@redhat.com>");72MODULE_DESCRIPTION("Broadcast mode for team");73MODULE_ALIAS_TEAM_MODE("broadcast");74