Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef NET_COMPAT_H
3#define NET_COMPAT_H
4
5
6struct sock;
7
8#if defined(CONFIG_COMPAT)
9
10#include <linux/compat.h>
11
12struct 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
22struct compat_mmsghdr {
23 struct compat_msghdr msg_hdr;
24 compat_uint_t msg_len;
25};
26
27struct compat_cmsghdr {
28 compat_size_t cmsg_len;
29 compat_int_t cmsg_level;
30 compat_int_t cmsg_type;
31};
32
33struct 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
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
59int __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);
62int get_compat_msghdr(struct msghdr *, struct compat_msghdr __user *,
63 struct sockaddr __user **, struct iovec **);
64struct sock_fprog __user *get_compat_bpf_fprog(char __user *optval);
65int put_cmsg_compat(struct msghdr*, int, int, int, void *);
66
67int cmsghdr_from_user_compat_to_kern(struct msghdr *, struct sock *,
68 unsigned char *, int);
69
70struct compat_group_req {
71 __u32 gr_interface;
72 struct __kernel_sockaddr_storage gr_group
73 __aligned(4);
74} __packed;
75
76struct compat_group_source_req {
77 __u32 gsr_interface;
78 struct __kernel_sockaddr_storage gsr_group
79 __aligned(4);
80 struct __kernel_sockaddr_storage gsr_source
81 __aligned(4);
82} __packed;
83
84struct compat_group_filter {
85 __u32 gf_interface;
86 struct __kernel_sockaddr_storage gf_group
87 __aligned(4);
88 __u32 gf_fmode;
89 __u32 gf_numsrc;
90 struct __kernel_sockaddr_storage gf_slist[1]
91 __aligned(4);
92} __packed;
93
94#endif /* NET_COMPAT_H */