linux/drivers/net/team/team_mode_broadcast.c
Thomas Gleixner 2874c5fd28 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
Based on 1 normalized pattern(s):

  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

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 3029 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:26:32 -07:00

75 lines
1.6 KiB
C

// 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");