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>
118 lines
3.2 KiB
C
118 lines
3.2 KiB
C
/* Copyright (C) 2011-2015 B.A.T.M.A.N. contributors:
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*
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* Simon Wunderlich
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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_BLA_H_
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#define _NET_BATMAN_ADV_BLA_H_
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#include "main.h"
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#include <linux/types.h>
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struct batadv_hard_iface;
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struct batadv_orig_node;
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struct batadv_priv;
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struct seq_file;
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struct sk_buff;
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#ifdef CONFIG_BATMAN_ADV_BLA
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int batadv_bla_rx(struct batadv_priv *bat_priv, struct sk_buff *skb,
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unsigned short vid, bool is_bcast);
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int batadv_bla_tx(struct batadv_priv *bat_priv, struct sk_buff *skb,
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unsigned short vid);
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int batadv_bla_is_backbone_gw(struct sk_buff *skb,
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struct batadv_orig_node *orig_node, int hdr_size);
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int batadv_bla_claim_table_seq_print_text(struct seq_file *seq, void *offset);
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int batadv_bla_backbone_table_seq_print_text(struct seq_file *seq,
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void *offset);
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bool batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv, uint8_t *orig,
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unsigned short vid);
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int batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
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struct sk_buff *skb);
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void batadv_bla_update_orig_address(struct batadv_priv *bat_priv,
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struct batadv_hard_iface *primary_if,
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struct batadv_hard_iface *oldif);
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int batadv_bla_init(struct batadv_priv *bat_priv);
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void batadv_bla_free(struct batadv_priv *bat_priv);
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#define BATADV_BLA_CRC_INIT 0
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#else /* ifdef CONFIG_BATMAN_ADV_BLA */
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static inline int batadv_bla_rx(struct batadv_priv *bat_priv,
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struct sk_buff *skb, unsigned short vid,
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bool is_bcast)
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{
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return 0;
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}
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static inline int batadv_bla_tx(struct batadv_priv *bat_priv,
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struct sk_buff *skb, unsigned short vid)
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{
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return 0;
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}
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static inline int batadv_bla_is_backbone_gw(struct sk_buff *skb,
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struct batadv_orig_node *orig_node,
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int hdr_size)
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{
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return 0;
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}
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static inline int batadv_bla_claim_table_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_bla_backbone_table_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 bool batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv,
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uint8_t *orig,
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unsigned short vid)
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{
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return false;
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}
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static inline int
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batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
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struct sk_buff *skb)
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{
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return 0;
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}
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static inline void
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batadv_bla_update_orig_address(struct batadv_priv *bat_priv,
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struct batadv_hard_iface *primary_if,
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struct batadv_hard_iface *oldif)
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{
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}
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static inline int batadv_bla_init(struct batadv_priv *bat_priv)
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{
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return 1;
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}
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static inline void batadv_bla_free(struct batadv_priv *bat_priv)
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{
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}
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#endif /* ifdef CONFIG_BATMAN_ADV_BLA */
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#endif /* ifndef _NET_BATMAN_ADV_BLA_H_ */
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