root/include/linux/netfilter_defs.h

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INCLUDED FROM

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __LINUX_NETFILTER_CORE_H_
   3 #define __LINUX_NETFILTER_CORE_H_
   4 
   5 #include <uapi/linux/netfilter.h>
   6 
   7 /* in/out/forward only */
   8 #define NF_ARP_NUMHOOKS 3
   9 
  10 /* max hook is NF_DN_ROUTE (6), also see uapi/linux/netfilter_decnet.h */
  11 #define NF_DN_NUMHOOKS 7
  12 
  13 #if IS_ENABLED(CONFIG_DECNET)
  14 /* Largest hook number + 1, see uapi/linux/netfilter_decnet.h */
  15 #define NF_MAX_HOOKS    NF_DN_NUMHOOKS
  16 #else
  17 #define NF_MAX_HOOKS    NF_INET_NUMHOOKS
  18 #endif
  19 
  20 #endif
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