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c5a7591172
Signed-off-by: Arvid Brodin <arvid.brodin@alten.se> Signed-off-by: David S. Miller <davem@davemloft.net>
49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
/* Copyright 2011-2014 Autronica Fire and Security AS
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* Author(s):
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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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#include <linux/rtnetlink.h>
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#include "hsr_main.h"
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int hsr_add_port(struct hsr_priv *hsr, struct net_device *dev,
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enum hsr_port_type pt);
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void hsr_del_port(struct hsr_port *port);
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rx_handler_result_t hsr_handle_frame(struct sk_buff **pskb);
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#define hsr_for_each_port(hsr, port) \
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list_for_each_entry_rcu((port), &(hsr)->ports, port_list)
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static inline bool hsr_port_exists(const struct net_device *dev)
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{
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return dev->rx_handler == hsr_handle_frame;
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}
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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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#endif /* __HSR_SLAVE_H */
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