blob: 84805bdc44350d76d0dd32125ae54a3937aca2c4 [file] [log] [blame]
Greg Kroah-Hartmanb2441312017-11-01 15:07:57 +01001/* SPDX-License-Identifier: GPL-2.0 */
Linus Torvalds1da177e2005-04-16 15:20:36 -07002#ifndef NET_COMPAT_H
3#define NET_COMPAT_H
4
Linus Torvalds1da177e2005-04-16 15:20:36 -07005
Andrew Morton29f767a2006-05-30 21:27:18 -07006struct sock;
7
Linus Torvalds1da177e2005-04-16 15:20:36 -07008#include <linux/compat.h>
9
10struct 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
Arnaldo Carvalho de Meloa2e27252009-10-12 23:40:10 -070020struct compat_mmsghdr {
21 struct compat_msghdr msg_hdr;
22 compat_uint_t msg_len;
23};
24
Linus Torvalds1da177e2005-04-16 15:20:36 -070025struct compat_cmsghdr {
26 compat_size_t cmsg_len;
27 compat_int_t cmsg_level;
28 compat_int_t cmsg_type;
29};
30
Christoph Hellwigdc13c8762020-05-18 08:28:08 +020031struct compat_rtentry {
32 u32 rt_pad1;
33 struct sockaddr rt_dst; /* target address */
34 struct sockaddr rt_gateway; /* gateway addr (RTF_GATEWAY) */
35 struct sockaddr rt_genmask; /* target network mask (IP) */
36 unsigned short rt_flags;
37 short rt_pad2;
38 u32 rt_pad3;
39 unsigned char rt_tos;
40 unsigned char rt_class;
41 short rt_pad4;
42 short rt_metric; /* +1 for binary compatibility! */
43 compat_uptr_t rt_dev; /* forcing the device at add */
44 u32 rt_mtu; /* per route MTU/Window */
45 u32 rt_window; /* Window clamping */
46 unsigned short rt_irtt; /* Initial RTT */
47};
48
Jens Axboe0a384ab2020-02-27 08:11:20 -070049int __get_compat_msghdr(struct msghdr *kmsg, struct compat_msghdr __user *umsg,
50 struct sockaddr __user **save_addr, compat_uptr_t *ptr,
51 compat_size_t *len);
Al Viroda184282015-03-21 19:29:06 -040052int get_compat_msghdr(struct msghdr *, struct compat_msghdr __user *,
Al Viro08adb7d2014-11-10 20:23:13 -050053 struct sockaddr __user **, struct iovec **);
Joe Perchese8d895a2013-09-20 11:23:18 -070054int put_cmsg_compat(struct msghdr*, int, int, int, void *);
David S. Millere50ef9332005-09-08 12:32:46 -070055
Joe Perchese8d895a2013-09-20 11:23:18 -070056int cmsghdr_from_user_compat_to_kern(struct msghdr *, struct sock *,
57 unsigned char *, int);
Linus Torvalds1da177e2005-04-16 15:20:36 -070058
Al Viro63287de2020-05-09 20:58:17 -040059struct compat_group_req {
60 __u32 gr_interface;
61 struct __kernel_sockaddr_storage gr_group
62 __aligned(4);
63} __packed;
64
65struct compat_group_source_req {
66 __u32 gsr_interface;
67 struct __kernel_sockaddr_storage gsr_group
68 __aligned(4);
69 struct __kernel_sockaddr_storage gsr_source
70 __aligned(4);
71} __packed;
72
73struct compat_group_filter {
74 __u32 gf_interface;
75 struct __kernel_sockaddr_storage gf_group
76 __aligned(4);
77 __u32 gf_fmode;
78 __u32 gf_numsrc;
79 struct __kernel_sockaddr_storage gf_slist[1]
80 __aligned(4);
81} __packed;
82
Linus Torvalds1da177e2005-04-16 15:20:36 -070083#endif /* NET_COMPAT_H */