1 /* SPDX-License-Identifier: GPL-2.0 */ 1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef NET_COMPAT_H 2 #ifndef NET_COMPAT_H
3 #define NET_COMPAT_H 3 #define NET_COMPAT_H
4 4
5 5
6 struct sock; 6 struct sock;
7 7
>> 8 #if defined(CONFIG_COMPAT)
>> 9
8 #include <linux/compat.h> 10 #include <linux/compat.h>
9 11
10 struct compat_msghdr { 12 struct compat_msghdr {
11 compat_uptr_t msg_name; /* voi 13 compat_uptr_t msg_name; /* void * */
12 compat_int_t msg_namelen; 14 compat_int_t msg_namelen;
13 compat_uptr_t msg_iov; /* str 15 compat_uptr_t msg_iov; /* struct compat_iovec * */
14 compat_size_t msg_iovlen; 16 compat_size_t msg_iovlen;
15 compat_uptr_t msg_control; /* voi 17 compat_uptr_t msg_control; /* void * */
16 compat_size_t msg_controllen; 18 compat_size_t msg_controllen;
17 compat_uint_t msg_flags; 19 compat_uint_t msg_flags;
18 }; 20 };
19 21
20 struct compat_mmsghdr { 22 struct compat_mmsghdr {
21 struct compat_msghdr msg_hdr; 23 struct compat_msghdr msg_hdr;
22 compat_uint_t msg_len; 24 compat_uint_t msg_len;
23 }; 25 };
24 26
25 struct compat_cmsghdr { 27 struct compat_cmsghdr {
26 compat_size_t cmsg_len; 28 compat_size_t cmsg_len;
27 compat_int_t cmsg_level; 29 compat_int_t cmsg_level;
28 compat_int_t cmsg_type; 30 compat_int_t cmsg_type;
29 }; 31 };
30 32
31 struct compat_rtentry { 33 struct compat_rtentry {
32 u32 rt_pad1; 34 u32 rt_pad1;
33 struct sockaddr rt_dst; /* tar 35 struct sockaddr rt_dst; /* target address */
34 struct sockaddr rt_gateway; /* gat 36 struct sockaddr rt_gateway; /* gateway addr (RTF_GATEWAY) */
35 struct sockaddr rt_genmask; /* tar 37 struct sockaddr rt_genmask; /* target network mask (IP) */
36 unsigned short rt_flags; 38 unsigned short rt_flags;
37 short rt_pad2; 39 short rt_pad2;
38 u32 rt_pad3; 40 u32 rt_pad3;
39 unsigned char rt_tos; 41 unsigned char rt_tos;
40 unsigned char rt_class; 42 unsigned char rt_class;
41 short rt_pad4; 43 short rt_pad4;
42 short rt_metric; /* +1 44 short rt_metric; /* +1 for binary compatibility! */
43 compat_uptr_t rt_dev; /* for 45 compat_uptr_t rt_dev; /* forcing the device at add */
44 u32 rt_mtu; /* per 46 u32 rt_mtu; /* per route MTU/Window */
45 u32 rt_window; /* Win 47 u32 rt_window; /* Window clamping */
46 unsigned short rt_irtt; /* Ini 48 unsigned short rt_irtt; /* Initial RTT */
47 }; 49 };
48 50
49 int __get_compat_msghdr(struct msghdr *kmsg, s !! 51 #else /* defined(CONFIG_COMPAT) */
50 struct sockaddr __user !! 52 /*
>> 53 * To avoid compiler warnings:
>> 54 */
>> 55 #define compat_msghdr msghdr
>> 56 #define compat_mmsghdr mmsghdr
>> 57 #endif /* defined(CONFIG_COMPAT) */
>> 58
>> 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);
51 int get_compat_msghdr(struct msghdr *, struct 62 int get_compat_msghdr(struct msghdr *, struct compat_msghdr __user *,
52 struct sockaddr __user * 63 struct sockaddr __user **, struct iovec **);
53 int put_cmsg_compat(struct msghdr*, int, int, 64 int put_cmsg_compat(struct msghdr*, int, int, int, void *);
54 65
55 int cmsghdr_from_user_compat_to_kern(struct ms 66 int cmsghdr_from_user_compat_to_kern(struct msghdr *, struct sock *,
56 unsigned 67 unsigned char *, int);
57 68
58 struct compat_group_req { 69 struct compat_group_req {
59 __u32 gr_in 70 __u32 gr_interface;
60 struct __kernel_sockaddr_storage gr_gr 71 struct __kernel_sockaddr_storage gr_group
61 __aligned(4); 72 __aligned(4);
62 } __packed; 73 } __packed;
63 74
64 struct compat_group_source_req { 75 struct compat_group_source_req {
65 __u32 gsr_i 76 __u32 gsr_interface;
66 struct __kernel_sockaddr_storage gsr_g 77 struct __kernel_sockaddr_storage gsr_group
67 __aligned(4); 78 __aligned(4);
68 struct __kernel_sockaddr_storage gsr_s 79 struct __kernel_sockaddr_storage gsr_source
69 __aligned(4); 80 __aligned(4);
70 } __packed; 81 } __packed;
71 82
72 struct compat_group_filter { 83 struct compat_group_filter {
73 union { 84 union {
74 struct { 85 struct {
75 __u32 86 __u32 gf_interface_aux;
76 struct __kernel_sockad 87 struct __kernel_sockaddr_storage gf_group_aux
77 __aligned(4); 88 __aligned(4);
78 __u32 89 __u32 gf_fmode_aux;
79 __u32 90 __u32 gf_numsrc_aux;
80 struct __kernel_sockad 91 struct __kernel_sockaddr_storage gf_slist[1]
81 __aligned(4); 92 __aligned(4);
82 } __packed; 93 } __packed;
83 struct { 94 struct {
84 __u32 95 __u32 gf_interface;
85 struct __kernel_sockad 96 struct __kernel_sockaddr_storage gf_group
86 __aligned(4); 97 __aligned(4);
87 __u32 98 __u32 gf_fmode;
88 __u32 99 __u32 gf_numsrc;
89 struct __kernel_sockad 100 struct __kernel_sockaddr_storage gf_slist_flex[]
90 __aligned(4); 101 __aligned(4);
91 } __packed; 102 } __packed;
92 }; 103 };
93 } __packed; 104 } __packed;
94 105
95 #endif /* NET_COMPAT_H */ 106 #endif /* NET_COMPAT_H */
96 107
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