root/net/netfilter/nf_flow_table_inet.c

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DEFINITIONS

This source file includes following definitions.
  1. nf_flow_offload_inet_hook
  2. nf_flow_inet_module_init
  3. nf_flow_inet_module_exit

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 #include <linux/kernel.h>
   3 #include <linux/init.h>
   4 #include <linux/module.h>
   5 #include <linux/netfilter.h>
   6 #include <linux/rhashtable.h>
   7 #include <net/netfilter/nf_flow_table.h>
   8 #include <net/netfilter/nf_tables.h>
   9 
  10 static unsigned int
  11 nf_flow_offload_inet_hook(void *priv, struct sk_buff *skb,
  12                           const struct nf_hook_state *state)
  13 {
  14         switch (skb->protocol) {
  15         case htons(ETH_P_IP):
  16                 return nf_flow_offload_ip_hook(priv, skb, state);
  17         case htons(ETH_P_IPV6):
  18                 return nf_flow_offload_ipv6_hook(priv, skb, state);
  19         }
  20 
  21         return NF_ACCEPT;
  22 }
  23 
  24 static struct nf_flowtable_type flowtable_inet = {
  25         .family         = NFPROTO_INET,
  26         .init           = nf_flow_table_init,
  27         .free           = nf_flow_table_free,
  28         .hook           = nf_flow_offload_inet_hook,
  29         .owner          = THIS_MODULE,
  30 };
  31 
  32 static int __init nf_flow_inet_module_init(void)
  33 {
  34         nft_register_flowtable_type(&flowtable_inet);
  35 
  36         return 0;
  37 }
  38 
  39 static void __exit nf_flow_inet_module_exit(void)
  40 {
  41         nft_unregister_flowtable_type(&flowtable_inet);
  42 }
  43 
  44 module_init(nf_flow_inet_module_init);
  45 module_exit(nf_flow_inet_module_exit);
  46 
  47 MODULE_LICENSE("GPL");
  48 MODULE_AUTHOR("Pablo Neira Ayuso <pablo@netfilter.org>");
  49 MODULE_ALIAS_NF_FLOWTABLE(1); /* NFPROTO_INET */

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