2019-04-06 01:31:34 +08:00
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/* SPDX-License-Identifier: GPL-2.0 */
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2014-07-05 05:35:24 +08:00
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/* Copyright 2011-2014 Autronica Fire and Security AS
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*
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* 2011-2014 Arvid Brodin, arvid.brodin@alten.se
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*/
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#ifndef __HSR_SLAVE_H
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#define __HSR_SLAVE_H
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#include <linux/skbuff.h>
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#include <linux/netdevice.h>
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2014-07-05 05:38:05 +08:00
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#include <linux/rtnetlink.h>
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2014-07-05 05:37:27 +08:00
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#include "hsr_main.h"
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2014-07-05 05:35:24 +08:00
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2014-07-05 05:38:05 +08:00
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int hsr_add_port(struct hsr_priv *hsr, struct net_device *dev,
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2020-02-29 02:01:35 +08:00
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enum hsr_port_type pt, struct netlink_ext_ack *extack);
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2014-07-05 05:38:05 +08:00
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void hsr_del_port(struct hsr_port *port);
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2014-07-05 05:41:03 +08:00
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bool hsr_port_exists(const struct net_device *dev);
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2014-07-05 05:38:05 +08:00
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static inline struct hsr_port *hsr_port_get_rtnl(const struct net_device *dev)
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{
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ASSERT_RTNL();
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return hsr_port_exists(dev) ?
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rtnl_dereference(dev->rx_handler_data) : NULL;
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}
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static inline struct hsr_port *hsr_port_get_rcu(const struct net_device *dev)
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{
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return hsr_port_exists(dev) ?
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rcu_dereference(dev->rx_handler_data) : NULL;
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}
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2014-07-05 05:35:24 +08:00
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#endif /* __HSR_SLAVE_H */
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