/* SPDX-License-Identifier: GPL-2.0 */
  #ifndef _UDP4_IMPL_H
  #define _UDP4_IMPL_H
  #include <net/udp.h>
  #include <net/udplite.h>
  #include <net/protocol.h>
  #include <net/inet_common.h>
  
  int __udp4_lib_rcv(struct sk_buff *, struct udp_table *, int);
  void __udp4_lib_err(struct sk_buff *, u32, struct udp_table *);
  
  int udp_v4_get_port(struct sock *sk, unsigned short snum);
  
  int udp_setsockopt(struct sock *sk, int level, int optname,
  		   char __user *optval, unsigned int optlen);
  int udp_getsockopt(struct sock *sk, int level, int optname,
  		   char __user *optval, int __user *optlen);
  
  #ifdef CONFIG_COMPAT
  int compat_udp_setsockopt(struct sock *sk, int level, int optname,
  			  char __user *optval, unsigned int optlen);
  int compat_udp_getsockopt(struct sock *sk, int level, int optname,
  			  char __user *optval, int __user *optlen);
  #endif
  int udp_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, int noblock,
  		int flags, int *addr_len);
  int udp_sendpage(struct sock *sk, struct page *page, int offset, size_t size,
  		 int flags);
  void udp_destroy_sock(struct sock *sk);
  
  #ifdef CONFIG_PROC_FS
  int udp4_seq_show(struct seq_file *seq, void *v);
  #endif
  #endif	/* _UDP4_IMPL_H */