1#ifndef NET_COMPAT_H 2#define NET_COMPAT_H 3 4 5struct sock; 6 7#if defined(CONFIG_COMPAT) 8 9#include <linux/compat.h> 10 11struct compat_msghdr { 12 compat_uptr_t msg_name; /* void * */ 13 compat_int_t msg_namelen; 14 compat_uptr_t msg_iov; /* struct compat_iovec * */ 15 compat_size_t msg_iovlen; 16 compat_uptr_t msg_control; /* void * */ 17 compat_size_t msg_controllen; 18 compat_uint_t msg_flags; 19}; 20 21struct compat_mmsghdr { 22 struct compat_msghdr msg_hdr; 23 compat_uint_t msg_len; 24}; 25 26struct compat_cmsghdr { 27 compat_size_t cmsg_len; 28 compat_int_t cmsg_level; 29 compat_int_t cmsg_type; 30}; 31 32extern int compat_sock_get_timestamp(struct sock *, struct timeval __user *); 33extern int compat_sock_get_timestampns(struct sock *, struct timespec __user *); 34 35#else /* defined(CONFIG_COMPAT) */ 36/* 37 * To avoid compiler warnings: 38 */ 39#define compat_msghdr msghdr 40#define compat_mmsghdr mmsghdr 41#endif /* defined(CONFIG_COMPAT) */ 42 43extern int get_compat_msghdr(struct msghdr *, struct compat_msghdr __user *); 44extern int verify_compat_iovec(struct msghdr *, struct iovec *, struct sockaddr *, int); 45extern asmlinkage long compat_sys_sendmsg(int,struct compat_msghdr __user *,unsigned); 46extern asmlinkage long compat_sys_recvmsg(int,struct compat_msghdr __user *,unsigned); 47extern asmlinkage long compat_sys_recvmmsg(int, struct compat_mmsghdr __user *, 48 unsigned, unsigned, 49 struct compat_timespec __user *); 50extern asmlinkage long compat_sys_getsockopt(int, int, int, char __user *, int __user *); 51extern int put_cmsg_compat(struct msghdr*, int, int, int, void *); 52 53extern int cmsghdr_from_user_compat_to_kern(struct msghdr *, struct sock *, unsigned char *, int); 54 55extern int compat_mc_setsockopt(struct sock *, int, int, char __user *, unsigned int, 56 int (*)(struct sock *, int, int, char __user *, unsigned int)); 57extern int compat_mc_getsockopt(struct sock *, int, int, char __user *, 58 int __user *, int (*)(struct sock *, int, int, char __user *, 59 int __user *)); 60 61#endif /* NET_COMPAT_H */ 62