root/include/net/netfilter/ipv4/nf_conntrack_ipv4.h

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INCLUDED FROM

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * IPv4 support for nf_conntrack.
   4  *
   5  * 23 Mar 2004: Yasuyuki Kozakai @ USAGI <yasuyuki.kozakai@toshiba.co.jp>
   6  *      - move L3 protocol dependent part from include/linux/netfilter_ipv4/
   7  *        ip_conntarck.h
   8  */
   9 
  10 #ifndef _NF_CONNTRACK_IPV4_H
  11 #define _NF_CONNTRACK_IPV4_H
  12 
  13 extern const struct nf_conntrack_l4proto nf_conntrack_l4proto_tcp;
  14 extern const struct nf_conntrack_l4proto nf_conntrack_l4proto_udp;
  15 extern const struct nf_conntrack_l4proto nf_conntrack_l4proto_icmp;
  16 #ifdef CONFIG_NF_CT_PROTO_DCCP
  17 extern const struct nf_conntrack_l4proto nf_conntrack_l4proto_dccp;
  18 #endif
  19 #ifdef CONFIG_NF_CT_PROTO_SCTP
  20 extern const struct nf_conntrack_l4proto nf_conntrack_l4proto_sctp;
  21 #endif
  22 #ifdef CONFIG_NF_CT_PROTO_UDPLITE
  23 extern const struct nf_conntrack_l4proto nf_conntrack_l4proto_udplite;
  24 #endif
  25 #ifdef CONFIG_NF_CT_PROTO_GRE
  26 extern const struct nf_conntrack_l4proto nf_conntrack_l4proto_gre;
  27 #endif
  28 
  29 #endif /*_NF_CONNTRACK_IPV4_H*/
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