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 #include <net/net_trackers.h>
   7
   8 struct net;
   9 extern struct net init_net;
  10
  11 struct seq_net_private {
  12 #ifdef CONFIG_NET_NS
  13         struct net      *net;
  14         netns_tracker   ns_tracker;
  15 #endif
  16 };
  17
  18 static inline struct net *seq_file_net(struct seq_file *seq)
  19 {
  20 #ifdef CONFIG_NET_NS
  21         return ((struct seq_net_private *)seq->private)->net;
  22 #else
  23         return &init_net;
  24 #endif
  25 }
  26
  27 /*
  28  * This one is needed for proc_create_net_single since net is stored directly
  29  * in private not as a struct i.e. seq_file_net can't be used.
  30  */
  31 static inline struct net *seq_file_single_net(struct seq_file *seq)
  32 {
  33 #ifdef CONFIG_NET_NS
  34         return (struct net *)seq->private;
  35 #else
  36         return &init_net;
  37 #endif
  38 }
  39
  40 #endif