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_cmsghdr { 22 compat_size_t cmsg_len; 23 compat_int_t cmsg_level; 24 compat_int_t cmsg_type; 25}; 26 27extern int compat_sock_get_timestamp(struct sock *, struct timeval __user *); 28extern int compat_sock_get_timestampns(struct sock *, struct timespec __user *); 29 30#else /* defined(CONFIG_COMPAT) */ 31#define compat_msghdr msghdr /* to avoid compiler warnings */ 32#endif /* defined(CONFIG_COMPAT) */ 33 34extern int get_compat_msghdr(struct msghdr *, struct compat_msghdr __user *); 35extern int verify_compat_iovec(struct msghdr *, struct iovec *, char *, int); 36extern asmlinkage long compat_sys_sendmsg(int,struct compat_msghdr __user *,unsigned); 37extern asmlinkage long compat_sys_recvmsg(int,struct compat_msghdr __user *,unsigned); 38extern asmlinkage long compat_sys_getsockopt(int, int, int, char __user *, int __user *); 39extern int put_cmsg_compat(struct msghdr*, int, int, int, void *); 40 41extern int cmsghdr_from_user_compat_to_kern(struct msghdr *, struct sock *, unsigned char *, int); 42 43#endif /* NET_COMPAT_H */ 44