Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | #ifndef NET_COMPAT_H |
| 3 | #define NET_COMPAT_H |
| 4 | |
| 5 | |
| 6 | struct sock; |
| 7 | |
| 8 | #if defined(CONFIG_COMPAT) |
| 9 | |
| 10 | #include <linux/compat.h> |
| 11 | |
| 12 | struct compat_msghdr { |
| 13 | compat_uptr_t msg_name; /* void * */ |
| 14 | compat_int_t msg_namelen; |
| 15 | compat_uptr_t msg_iov; /* struct compat_iovec * */ |
| 16 | compat_size_t msg_iovlen; |
| 17 | compat_uptr_t msg_control; /* void * */ |
| 18 | compat_size_t msg_controllen; |
| 19 | compat_uint_t msg_flags; |
| 20 | }; |
| 21 | |
| 22 | struct compat_mmsghdr { |
| 23 | struct compat_msghdr msg_hdr; |
| 24 | compat_uint_t msg_len; |
| 25 | }; |
| 26 | |
| 27 | struct compat_cmsghdr { |
| 28 | compat_size_t cmsg_len; |
| 29 | compat_int_t cmsg_level; |
| 30 | compat_int_t cmsg_type; |
| 31 | }; |
| 32 | |
| 33 | int compat_sock_get_timestamp(struct sock *, struct timeval __user *); |
| 34 | int compat_sock_get_timestampns(struct sock *, struct timespec __user *); |
| 35 | |
| 36 | #else /* defined(CONFIG_COMPAT) */ |
| 37 | /* |
| 38 | * To avoid compiler warnings: |
| 39 | */ |
| 40 | #define compat_msghdr msghdr |
| 41 | #define compat_mmsghdr mmsghdr |
| 42 | #endif /* defined(CONFIG_COMPAT) */ |
| 43 | |
| 44 | int get_compat_msghdr(struct msghdr *, struct compat_msghdr __user *, |
| 45 | struct sockaddr __user **, struct iovec **); |
| 46 | struct sock_fprog __user *get_compat_bpf_fprog(char __user *optval); |
| 47 | int put_cmsg_compat(struct msghdr*, int, int, int, void *); |
| 48 | |
| 49 | int cmsghdr_from_user_compat_to_kern(struct msghdr *, struct sock *, |
| 50 | unsigned char *, int); |
| 51 | |
| 52 | int compat_mc_setsockopt(struct sock *, int, int, char __user *, unsigned int, |
| 53 | int (*)(struct sock *, int, int, char __user *, |
| 54 | unsigned int)); |
| 55 | int compat_mc_getsockopt(struct sock *, int, int, char __user *, int __user *, |
| 56 | int (*)(struct sock *, int, int, char __user *, |
| 57 | int __user *)); |
| 58 | |
| 59 | #endif /* NET_COMPAT_H */ |