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/*
* drivers/net/team/team_mode_broadcast.c - Broadcast mode for team
* Copyright (c) 2012 Jiri Pirko <jpirko@redhat.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#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) {
skb2->dev = last->dev;
ret = dev_queue_xmit(skb2);
if (!sum_ret)
sum_ret = ret;
}
}
last = cur;
}
}
if (last) {
skb->dev = last->dev;
ret = dev_queue_xmit(skb);
if (!sum_ret)
sum_ret = ret;
}
return sum_ret;
}
static int bc_port_enter(struct team *team, struct team_port *port)
{
return team_port_set_team_mac(port);
}
static void bc_port_change_mac(struct team *team, struct team_port *port)
{
team_port_set_team_mac(port);
}
static const struct team_mode_ops bc_mode_ops = {
.transmit = bc_transmit,
.port_enter = bc_port_enter,
.port_change_mac = bc_port_change_mac,
};
static const struct team_mode bc_mode = {
.kind = "broadcast",
.owner = THIS_MODULE,
.ops = &bc_mode_ops,
};
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");
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