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fa6ed31dd9
Add no functional changes, but rename enablement functions, variables etc. that are used in teaming driver transmit decisions. Since rx and tx enablement are still coupled, some of the variables renamed in this patch are still used for the rx path, but that will change in a follow-up patch. Reviewed-by: Jiri Pirko <jiri@nvidia.com> Signed-off-by: Marc Harvey <marcharvey@google.com> Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com> Link: https://patch.msgid.link/20260409-teaming-driver-internal-v7-6-f47e7589685d@google.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
65 lines
1.5 KiB
C
65 lines
1.5 KiB
C
// 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 <jiri@resnulli.us>
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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 = get_random_u32_below(READ_ONCE(team->tx_en_port_count));
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port = team_get_port_by_tx_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 <jiri@resnulli.us>");
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MODULE_DESCRIPTION("Random mode for team");
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MODULE_ALIAS_TEAM_MODE("random");
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