| 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 | |
| Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 33 | struct compat_rtentry { |
| 34 | u32 rt_pad1; |
| 35 | struct sockaddr rt_dst; /* target address */ |
| 36 | struct sockaddr rt_gateway; /* gateway addr (RTF_GATEWAY) */ |
| 37 | struct sockaddr rt_genmask; /* target network mask (IP) */ |
| 38 | unsigned short rt_flags; |
| 39 | short rt_pad2; |
| 40 | u32 rt_pad3; |
| 41 | unsigned char rt_tos; |
| 42 | unsigned char rt_class; |
| 43 | short rt_pad4; |
| 44 | short rt_metric; /* +1 for binary compatibility! */ |
| 45 | compat_uptr_t rt_dev; /* forcing the device at add */ |
| 46 | u32 rt_mtu; /* per route MTU/Window */ |
| 47 | u32 rt_window; /* Window clamping */ |
| 48 | unsigned short rt_irtt; /* Initial RTT */ |
| 49 | }; |
| 50 | |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 51 | #else /* defined(CONFIG_COMPAT) */ |
| 52 | /* |
| 53 | * To avoid compiler warnings: |
| 54 | */ |
| 55 | #define compat_msghdr msghdr |
| 56 | #define compat_mmsghdr mmsghdr |
| 57 | #endif /* defined(CONFIG_COMPAT) */ |
| 58 | |
| Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 59 | int __get_compat_msghdr(struct msghdr *kmsg, struct compat_msghdr __user *umsg, |
| 60 | struct sockaddr __user **save_addr, compat_uptr_t *ptr, |
| 61 | compat_size_t *len); |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 62 | int get_compat_msghdr(struct msghdr *, struct compat_msghdr __user *, |
| 63 | struct sockaddr __user **, struct iovec **); |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 64 | int put_cmsg_compat(struct msghdr*, int, int, int, void *); |
| 65 | |
| 66 | int cmsghdr_from_user_compat_to_kern(struct msghdr *, struct sock *, |
| 67 | unsigned char *, int); |
| 68 | |
| Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 69 | struct compat_group_req { |
| 70 | __u32 gr_interface; |
| 71 | struct __kernel_sockaddr_storage gr_group |
| 72 | __aligned(4); |
| 73 | } __packed; |
| 74 | |
| 75 | struct compat_group_source_req { |
| 76 | __u32 gsr_interface; |
| 77 | struct __kernel_sockaddr_storage gsr_group |
| 78 | __aligned(4); |
| 79 | struct __kernel_sockaddr_storage gsr_source |
| 80 | __aligned(4); |
| 81 | } __packed; |
| 82 | |
| 83 | struct compat_group_filter { |
| 84 | __u32 gf_interface; |
| 85 | struct __kernel_sockaddr_storage gf_group |
| 86 | __aligned(4); |
| 87 | __u32 gf_fmode; |
| 88 | __u32 gf_numsrc; |
| 89 | struct __kernel_sockaddr_storage gf_slist[1] |
| 90 | __aligned(4); |
| 91 | } __packed; |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 92 | |
| 93 | #endif /* NET_COMPAT_H */ |