diff options
Diffstat (limited to 'drivers/net/team/team_mode_broadcast.c')
-rw-r--r-- | drivers/net/team/team_mode_broadcast.c | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/drivers/net/team/team_mode_broadcast.c b/drivers/net/team/team_mode_broadcast.c new file mode 100644 index 00000000000..c96e4d2967f --- /dev/null +++ b/drivers/net/team/team_mode_broadcast.c @@ -0,0 +1,87 @@ +/* + * drivers/net/team/team_mode_broadcast.c - Broadcast mode for team + * Copyright (c) 2012 Jiri Pirko <jpirko@redhat.com> + * + * 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 <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 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 <jpirko@redhat.com>"); +MODULE_DESCRIPTION("Broadcast mode for team"); +MODULE_ALIAS("team-mode-broadcast"); |