linux/drivers/net/team/team_mode_roundrobin.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

77 lines
1.7 KiB
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* drivers/net/team/team_mode_roundrobin.c - Round-robin mode for team
* Copyright (c) 2011 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>
struct rr_priv {
unsigned int sent_packets;
};
static struct rr_priv *rr_priv(struct team *team)
{
return (struct rr_priv *) &team->mode_priv;
}
static bool rr_transmit(struct team *team, struct sk_buff *skb)
{
struct team_port *port;
int port_index;
port_index = team_num_to_port_index(team,
rr_priv(team)->sent_packets++);
port = team_get_port_by_index_rcu(team, port_index);
if (unlikely(!port))
goto drop;
port = team_get_first_port_txable_rcu(team, port);
if (unlikely(!port))
goto drop;
if (team_dev_queue_xmit(team, port, skb))
return false;
return true;
drop:
dev_kfree_skb_any(skb);
return false;
}
static const struct team_mode_ops rr_mode_ops = {
.transmit = rr_transmit,
.port_enter = team_modeop_port_enter,
.port_change_dev_addr = team_modeop_port_change_dev_addr,
};
static const struct team_mode rr_mode = {
.kind = "roundrobin",
.owner = THIS_MODULE,
.priv_size = sizeof(struct rr_priv),
.ops = &rr_mode_ops,
.lag_tx_type = NETDEV_LAG_TX_TYPE_ROUNDROBIN,
};
static int __init rr_init_module(void)
{
return team_mode_register(&rr_mode);
}
static void __exit rr_cleanup_module(void)
{
team_mode_unregister(&rr_mode);
}
module_init(rr_init_module);
module_exit(rr_cleanup_module);
MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("Jiri Pirko <jpirko@redhat.com>");
MODULE_DESCRIPTION("Round-robin mode for team");
MODULE_ALIAS_TEAM_MODE("roundrobin");