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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef NET_COMPAT_H
#define NET_COMPAT_H
struct sock;
#include <linux/compat.h>
struct compat_msghdr {
compat_uptr_t msg_name; /* void * */
compat_int_t msg_namelen;
compat_uptr_t msg_iov; /* struct compat_iovec * */
compat_size_t msg_iovlen;
compat_uptr_t msg_control; /* void * */
compat_size_t msg_controllen;
compat_uint_t msg_flags;
};
struct compat_mmsghdr {
struct compat_msghdr msg_hdr;
compat_uint_t msg_len;
};
struct compat_cmsghdr {
compat_size_t cmsg_len;
compat_int_t cmsg_level;
compat_int_t cmsg_type;
};
struct compat_rtentry {
u32 rt_pad1;
struct sockaddr rt_dst; /* target address */
struct sockaddr rt_gateway; /* gateway addr (RTF_GATEWAY) */
struct sockaddr rt_genmask; /* target network mask (IP) */
unsigned short rt_flags;
short rt_pad2;
u32 rt_pad3;
unsigned char rt_tos;
unsigned char rt_class;
short rt_pad4;
short rt_metric; /* +1 for binary compatibility! */
compat_uptr_t rt_dev; /* forcing the device at add */
u32 rt_mtu; /* per route MTU/Window */
u32 rt_window; /* Window clamping */
unsigned short rt_irtt; /* Initial RTT */
};
int __get_compat_msghdr(struct msghdr *kmsg, struct compat_msghdr *msg,
struct sockaddr __user **save_addr);
int get_compat_msghdr(struct msghdr *, struct compat_msghdr __user *,
struct sockaddr __user **, struct iovec **);
int put_cmsg_compat(struct msghdr*, int, int, int, void *);
int cmsghdr_from_user_compat_to_kern(struct msghdr *, struct sock *,
unsigned char *, int);
struct compat_group_req {
__u32 gr_interface;
struct __kernel_sockaddr_storage gr_group
__aligned(4);
} __packed;
struct compat_group_source_req {
__u32 gsr_interface;
struct __kernel_sockaddr_storage gsr_group
__aligned(4);
struct __kernel_sockaddr_storage gsr_source
__aligned(4);
} __packed;
struct compat_group_filter {
union {
struct {
__u32 gf_interface_aux;
struct __kernel_sockaddr_storage gf_group_aux
__aligned(4);
__u32 gf_fmode_aux;
__u32 gf_numsrc_aux;
struct __kernel_sockaddr_storage gf_slist[1]
__aligned(4);
} __packed;
struct {
__u32 gf_interface;
struct __kernel_sockaddr_storage gf_group
__aligned(4);
__u32 gf_fmode;
__u32 gf_numsrc;
struct __kernel_sockaddr_storage gf_slist_flex[]
__aligned(4);
} __packed;
};
} __packed;
#endif /* NET_COMPAT_H */
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