/* SPDX-License-Identifier: GPL-2.0 */ /* * IPv4 support for nf_conntrack. * * 23 Mar 2004: Yasuyuki Kozakai @ USAGI * - move L3 protocol dependent part from include/linux/netfilter_ipv4/ * ip_conntarck.h */ #ifndef _NF_CONNTRACK_IPV4_H #define _NF_CONNTRACK_IPV4_H extern const struct nf_conntrack_l4proto nf_conntrack_l4proto_tcp; extern const struct nf_conntrack_l4proto nf_conntrack_l4proto_udp; extern const struct nf_conntrack_l4proto nf_conntrack_l4proto_icmp; #ifdef CONFIG_NF_CT_PROTO_DCCP extern const struct nf_conntrack_l4proto nf_conntrack_l4proto_dccp; #endif #ifdef CONFIG_NF_CT_PROTO_SCTP extern const struct nf_conntrack_l4proto nf_conntrack_l4proto_sctp; #endif #ifdef CONFIG_NF_CT_PROTO_UDPLITE extern const struct nf_conntrack_l4proto nf_conntrack_l4proto_udplite; #endif #ifdef CONFIG_NF_CT_PROTO_GRE extern const struct nf_conntrack_l4proto nf_conntrack_l4proto_gre; #endif #endif /*_NF_CONNTRACK_IPV4_H*/