77 строки
1.7 KiB
C
77 строки
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");
|