mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-22 00:40:03 +00:00
2874c5fd28
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>
76 lines
1.7 KiB
C
76 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");
|