tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * drivers/net/team/team_mode_broadcast.c - Broadcast mode for team
3 * Copyright (c) 2012 Jiri Pirko <jpirko@redhat.com>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 */
10
11#include <linux/kernel.h>
12#include <linux/types.h>
13#include <linux/module.h>
14#include <linux/init.h>
15#include <linux/errno.h>
16#include <linux/netdevice.h>
17#include <linux/if_team.h>
18
19static bool bc_transmit(struct team *team, struct sk_buff *skb)
20{
21 struct team_port *cur;
22 struct team_port *last = NULL;
23 struct sk_buff *skb2;
24 bool ret;
25 bool sum_ret = false;
26
27 list_for_each_entry_rcu(cur, &team->port_list, list) {
28 if (team_port_txable(cur)) {
29 if (last) {
30 skb2 = skb_clone(skb, GFP_ATOMIC);
31 if (skb2) {
32 ret = !team_dev_queue_xmit(team, last,
33 skb2);
34 if (!sum_ret)
35 sum_ret = ret;
36 }
37 }
38 last = cur;
39 }
40 }
41 if (last) {
42 ret = !team_dev_queue_xmit(team, last, skb);
43 if (!sum_ret)
44 sum_ret = ret;
45 }
46 return sum_ret;
47}
48
49static const struct team_mode_ops bc_mode_ops = {
50 .transmit = bc_transmit,
51 .port_enter = team_modeop_port_enter,
52 .port_change_dev_addr = team_modeop_port_change_dev_addr,
53};
54
55static const struct team_mode bc_mode = {
56 .kind = "broadcast",
57 .owner = THIS_MODULE,
58 .ops = &bc_mode_ops,
59 .lag_tx_type = NETDEV_LAG_TX_TYPE_BROADCAST,
60};
61
62static int __init bc_init_module(void)
63{
64 return team_mode_register(&bc_mode);
65}
66
67static void __exit bc_cleanup_module(void)
68{
69 team_mode_unregister(&bc_mode);
70}
71
72module_init(bc_init_module);
73module_exit(bc_cleanup_module);
74
75MODULE_LICENSE("GPL v2");
76MODULE_AUTHOR("Jiri Pirko <jpirko@redhat.com>");
77MODULE_DESCRIPTION("Broadcast mode for team");
78MODULE_ALIAS("team-mode-broadcast");