include/linux/seq_file_net.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __SEQ_FILE_NET_H__
   3 #define __SEQ_FILE_NET_H__
   4
   5 #include <linux/seq_file.h>
   6
   7 struct net;
   8 extern struct net init_net;
   9
  10 struct seq_net_private {
  11 #ifdef CONFIG_NET_NS
  12         struct net *net;
  13 #endif
  14 };
  15
  16 int seq_open_net(struct inode *, struct file *,
  17                  const struct seq_operations *, int);
  18 int single_open_net(struct inode *, struct file *file,
  19                 int (*show)(struct seq_file *, void *));
  20 int seq_release_net(struct inode *, struct file *);
  21 int single_release_net(struct inode *, struct file *);
  22 static inline struct net *seq_file_net(struct seq_file *seq)
  23 {
  24 #ifdef CONFIG_NET_NS
  25         return ((struct seq_net_private *)seq->private)->net;
  26 #else
  27         return &init_net;
  28 #endif
  29 }
  30
  31 #endif