1 #ifndef NET_COMPAT_H 2 #define NET_COMPAT_H 3 4 #include <linux/config.h> 5 6 #if defined(CONFIG_COMPAT) 7 8 #include <linux/compat.h> 9 10 struct compat_msghdr { 11 compat_uptr_t msg_name; /* void * */ 12 compat_int_t msg_namelen; 13 compat_uptr_t msg_iov; /* struct compat_iovec * */ 14 compat_size_t msg_iovlen; 15 compat_uptr_t msg_control; /* void * */ 16 compat_size_t msg_controllen; 17 compat_uint_t msg_flags; 18 }; 19 20 struct compat_cmsghdr { 21 compat_size_t cmsg_len; 22 compat_int_t cmsg_level; 23 compat_int_t cmsg_type; 24 }; 25 26 #else /* defined(CONFIG_COMPAT) */ 27 #define compat_msghdr msghdr /* to avoid compiler warnings */ 28 #endif /* defined(CONFIG_COMPAT) */ 29 30 extern int get_compat_msghdr(struct msghdr *, struct compat_msghdr __user *); 31 extern int verify_compat_iovec(struct msghdr *, struct iovec *, char *, int); 32 extern asmlinkage long compat_sys_sendmsg(int,struct compat_msghdr __user *,unsigned); 33 extern asmlinkage long compat_sys_recvmsg(int,struct compat_msghdr __user *,unsigned); 34 extern asmlinkage long compat_sys_getsockopt(int, int, int, char __user *, int __user *); 35 extern int put_cmsg_compat(struct msghdr*, int, int, int, void *); 36 extern int cmsghdr_from_user_compat_to_kern(struct msghdr *, unsigned char *, 37 int); 38 39 #endif /* NET_COMPAT_H */ 40