From 5fc889911a99043a97da1daa0d010ad72cbc3042 Mon Sep 17 00:00:00 2001 From: Jiri Pirko Date: Wed, 11 Jul 2012 05:34:03 +0000 Subject: [PATCH] team: add broadcast mode Signed-off-by: Jiri Pirko Signed-off-by: David S. Miller --- drivers/net/team/Kconfig | 13 +++- drivers/net/team/Makefile | 1 + drivers/net/team/team_mode_broadcast.c | 88 ++++++++++++++++++++++++++ 3 files changed, 101 insertions(+), 1 deletion(-) create mode 100644 drivers/net/team/team_mode_broadcast.c diff --git a/drivers/net/team/Kconfig b/drivers/net/team/Kconfig index 89024d5fc33a..6a7260b03a1e 100644 --- a/drivers/net/team/Kconfig +++ b/drivers/net/team/Kconfig @@ -15,6 +15,17 @@ menuconfig NET_TEAM if NET_TEAM +config NET_TEAM_MODE_BROADCAST + tristate "Broadcast mode support" + depends on NET_TEAM + ---help--- + Basic mode where packets are transmitted always by all suitable ports. + + All added ports are setup to have team's mac address. + + To compile this team mode as a module, choose M here: the module + will be called team_mode_broadcast. + config NET_TEAM_MODE_ROUNDROBIN tristate "Round-robin mode support" depends on NET_TEAM @@ -22,7 +33,7 @@ config NET_TEAM_MODE_ROUNDROBIN Basic mode where port used for transmitting packets is selected in round-robin fashion using packet counter. - All added ports are setup to have bond's mac address. + All added ports are setup to have team's mac address. To compile this team mode as a module, choose M here: the module will be called team_mode_roundrobin. diff --git a/drivers/net/team/Makefile b/drivers/net/team/Makefile index fb9f4c1c51ff..975763014e5a 100644 --- a/drivers/net/team/Makefile +++ b/drivers/net/team/Makefile @@ -3,6 +3,7 @@ # obj-$(CONFIG_NET_TEAM) += team.o +obj-$(CONFIG_NET_TEAM_MODE_BROADCAST) += team_mode_broadcast.o obj-$(CONFIG_NET_TEAM_MODE_ROUNDROBIN) += team_mode_roundrobin.o obj-$(CONFIG_NET_TEAM_MODE_ACTIVEBACKUP) += team_mode_activebackup.o obj-$(CONFIG_NET_TEAM_MODE_LOADBALANCE) += team_mode_loadbalance.o diff --git a/drivers/net/team/team_mode_broadcast.c b/drivers/net/team/team_mode_broadcast.c new file mode 100644 index 000000000000..5562345e9cef --- /dev/null +++ b/drivers/net/team/team_mode_broadcast.c @@ -0,0 +1,88 @@ +/* + * drivers/net/team/team_mode_broadcast.c - Broadcast mode for team + * Copyright (c) 2012 Jiri Pirko + * + * 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 +#include +#include +#include +#include +#include +#include + +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 "); +MODULE_DESCRIPTION("Broadcast mode for team"); +MODULE_ALIAS("team-mode-broadcast"); -- 2.30.2