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64 lines
1.5 KiB
64 lines
1.5 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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* drivers/net/team/team_mode_random.c - Random mode for team |
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* Copyright (c) 2013 Jiri Pirko <[email protected]> |
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*/ |
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#include <linux/kernel.h> |
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#include <linux/types.h> |
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#include <linux/module.h> |
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#include <linux/init.h> |
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#include <linux/skbuff.h> |
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#include <linux/if_team.h> |
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static bool rnd_transmit(struct team *team, struct sk_buff *skb) |
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{ |
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struct team_port *port; |
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int port_index; |
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port_index = prandom_u32_max(team->en_port_count); |
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port = team_get_port_by_index_rcu(team, port_index); |
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if (unlikely(!port)) |
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goto drop; |
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port = team_get_first_port_txable_rcu(team, port); |
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if (unlikely(!port)) |
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goto drop; |
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if (team_dev_queue_xmit(team, port, skb)) |
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return false; |
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return true; |
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drop: |
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dev_kfree_skb_any(skb); |
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return false; |
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} |
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static const struct team_mode_ops rnd_mode_ops = { |
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.transmit = rnd_transmit, |
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.port_enter = team_modeop_port_enter, |
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.port_change_dev_addr = team_modeop_port_change_dev_addr, |
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}; |
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static const struct team_mode rnd_mode = { |
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.kind = "random", |
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.owner = THIS_MODULE, |
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.ops = &rnd_mode_ops, |
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.lag_tx_type = NETDEV_LAG_TX_TYPE_RANDOM, |
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}; |
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static int __init rnd_init_module(void) |
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{ |
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return team_mode_register(&rnd_mode); |
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} |
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static void __exit rnd_cleanup_module(void) |
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{ |
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team_mode_unregister(&rnd_mode); |
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} |
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module_init(rnd_init_module); |
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module_exit(rnd_cleanup_module); |
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MODULE_LICENSE("GPL v2"); |
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MODULE_AUTHOR("Jiri Pirko <[email protected]>"); |
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MODULE_DESCRIPTION("Random mode for team"); |
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MODULE_ALIAS_TEAM_MODE("random");
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