1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * drivers/net/team/team_mode_broadcast.c - Broadcast mode for team
4 * 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(port: cur)) {
24 if (last) {
25 skb2 = skb_clone(skb, GFP_ATOMIC);
26 if (skb2) {
27 ret = !team_dev_queue_xmit(team, port: last,
28 skb: 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, port: 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(mode: &bc_mode);
60}
61
62static void __exit bc_cleanup_module(void)
63{
64 team_mode_unregister(mode: &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

source code of linux/drivers/net/team/team_mode_broadcast.c