mirror of
https://github.com/torvalds/linux
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1e2c2a4fe4
The header files could not be build indepdent from each other. This is happened because headers didn't include the files for things they've used. This was problematic because the success of a build depended on the knowledge about the right order of local includes. Also source files were not including everything they've used explicitly. Instead they required that transitive includes are always stable. This is problematic because some transitive includes are not obvious, depend on config settings and may not be stable in the future. The order for include blocks are: * primary headers (main.h and the *.h file of a *.c file) * global linux headers * required local headers * extra forward declarations for pointers in function/struct declarations The only exceptions are linux/bitops.h and linux/if_ether.h in packet.h. This header file is shared with userspace applications like batctl and must therefore build together with userspace applications. The header linux/bitops.h is not part of the uapi headers and linux/if_ether.h conflicts with the musl implementation of netinet/if_ether.h. The maintainers rejected the use of __KERNEL__ preprocessor checks and thus these two headers are only in main.h. All files using packet.h first have to include main.h to work correctly. Reported-by: Markus Pargmann <mpa@pengutronix.de> Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
137 lines
3.7 KiB
C
137 lines
3.7 KiB
C
/* Copyright (C) 2012-2015 B.A.T.M.A.N. contributors:
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*
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* Martin Hundebøll, Jeppe Ledet-Pedersen
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of version 2 of the GNU General Public
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* License as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _NET_BATMAN_ADV_NETWORK_CODING_H_
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#define _NET_BATMAN_ADV_NETWORK_CODING_H_
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#include "main.h"
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#include <linux/types.h>
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struct batadv_nc_node;
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struct batadv_neigh_node;
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struct batadv_ogm_packet;
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struct batadv_orig_node;
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struct batadv_priv;
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struct net_device;
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struct seq_file;
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struct sk_buff;
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#ifdef CONFIG_BATMAN_ADV_NC
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void batadv_nc_status_update(struct net_device *net_dev);
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int batadv_nc_init(void);
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int batadv_nc_mesh_init(struct batadv_priv *bat_priv);
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void batadv_nc_mesh_free(struct batadv_priv *bat_priv);
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void batadv_nc_update_nc_node(struct batadv_priv *bat_priv,
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struct batadv_orig_node *orig_node,
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struct batadv_orig_node *orig_neigh_node,
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struct batadv_ogm_packet *ogm_packet,
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int is_single_hop_neigh);
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void batadv_nc_purge_orig(struct batadv_priv *bat_priv,
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struct batadv_orig_node *orig_node,
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bool (*to_purge)(struct batadv_priv *,
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struct batadv_nc_node *));
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void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv);
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void batadv_nc_init_orig(struct batadv_orig_node *orig_node);
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bool batadv_nc_skb_forward(struct sk_buff *skb,
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struct batadv_neigh_node *neigh_node);
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void batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv,
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struct sk_buff *skb);
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void batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv,
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struct sk_buff *skb);
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int batadv_nc_nodes_seq_print_text(struct seq_file *seq, void *offset);
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int batadv_nc_init_debugfs(struct batadv_priv *bat_priv);
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#else /* ifdef CONFIG_BATMAN_ADV_NC */
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static inline void batadv_nc_status_update(struct net_device *net_dev)
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{
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}
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static inline int batadv_nc_init(void)
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{
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return 0;
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}
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static inline int batadv_nc_mesh_init(struct batadv_priv *bat_priv)
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{
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return 0;
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}
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static inline void batadv_nc_mesh_free(struct batadv_priv *bat_priv)
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{
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}
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static inline void
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batadv_nc_update_nc_node(struct batadv_priv *bat_priv,
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struct batadv_orig_node *orig_node,
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struct batadv_orig_node *orig_neigh_node,
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struct batadv_ogm_packet *ogm_packet,
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int is_single_hop_neigh)
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{
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}
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static inline void
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batadv_nc_purge_orig(struct batadv_priv *bat_priv,
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struct batadv_orig_node *orig_node,
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bool (*to_purge)(struct batadv_priv *,
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struct batadv_nc_node *))
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{
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}
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static inline void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv)
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{
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}
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static inline void batadv_nc_init_orig(struct batadv_orig_node *orig_node)
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{
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}
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static inline bool batadv_nc_skb_forward(struct sk_buff *skb,
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struct batadv_neigh_node *neigh_node)
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{
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return false;
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}
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static inline void
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batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv,
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struct sk_buff *skb)
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{
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}
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static inline void
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batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv,
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struct sk_buff *skb)
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{
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}
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static inline int batadv_nc_nodes_seq_print_text(struct seq_file *seq,
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void *offset)
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{
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return 0;
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}
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static inline int batadv_nc_init_debugfs(struct batadv_priv *bat_priv)
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{
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return 0;
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}
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#endif /* ifdef CONFIG_BATMAN_ADV_NC */
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#endif /* _NET_BATMAN_ADV_NETWORK_CODING_H_ */
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