1 #ifndef NET_COMPAT_H 2 #define NET_COMPAT_H 3 4 5 struct sock; 6 7 #if defined(CONFIG_COMPAT) 8 9 #include <linux/compat.h> 10 11 struct 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 21 struct compat_mmsghdr { 22 struct compat_msghdr msg_hdr; 23 compat_uint_t msg_len; 24 }; 25 26 struct compat_cmsghdr { 27 compat_size_t cmsg_len; 28 compat_int_t cmsg_level; 29 compat_int_t cmsg_type; 30 }; 31 32 int compat_sock_get_timestamp(struct sock *, struct timeval __user *); 33 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 43 int get_compat_msghdr(struct msghdr *, struct compat_msghdr __user *, 44 struct sockaddr __user **, struct iovec **); 45 struct sock_fprog __user *get_compat_bpf_fprog(char __user *optval); 46 asmlinkage long compat_sys_sendmsg(int, struct compat_msghdr __user *, 47 unsigned int); 48 asmlinkage long compat_sys_sendmmsg(int, struct compat_mmsghdr __user *, 49 unsigned int, unsigned int); 50 asmlinkage long compat_sys_recvmsg(int, struct compat_msghdr __user *, 51 unsigned int); 52 asmlinkage long compat_sys_recvmmsg(int, struct compat_mmsghdr __user *, 53 unsigned int, unsigned int, 54 struct compat_timespec __user *); 55 asmlinkage long compat_sys_getsockopt(int, int, int, char __user *, 56 int __user *); 57 int put_cmsg_compat(struct msghdr*, int, int, int, void *); 58 59 int cmsghdr_from_user_compat_to_kern(struct msghdr *, struct sock *, 60 unsigned char *, int); 61 62 int compat_mc_setsockopt(struct sock *, int, int, char __user *, unsigned int, 63 int (*)(struct sock *, int, int, char __user *, 64 unsigned int)); 65 int compat_mc_getsockopt(struct sock *, int, int, char __user *, int __user *, 66 int (*)(struct sock *, int, int, char __user *, 67 int __user *)); 68 69 #endif /* NET_COMPAT_H */ 70