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