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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __SEQ_FILE_NET_H__
#define __SEQ_FILE_NET_H__

#include <linux/seq_file.h>

struct net;
extern struct net init_net;

struct seq_net_private {
#ifdef CONFIG_NET_NS
	struct net *net;
#endif
};

int single_open_net(struct inode *, struct file *file,
		int (*show)(struct seq_file *, void *));
int single_release_net(struct inode *, struct file *);
static inline struct net *seq_file_net(struct seq_file *seq)
{
#ifdef CONFIG_NET_NS
	return ((struct seq_net_private *)seq->private)->net;
#else
	return &init_net;
#endif
}

/*
 * This one is needed for single_open_net since net is stored directly in
 * private not as a struct i.e. seq_file_net can't be used.
 */
static inline struct net *seq_file_single_net(struct seq_file *seq)
{
#ifdef CONFIG_NET_NS
	return (struct net *)seq->private;
#else
	return &init_net;
#endif
}

#endif