mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-11-01 08:58:07 +00:00
72c531f8ef
this is in preparation for multishot receive from io_uring, where it needs to have access to the original struct user_msghdr. functionally this should be a no-op. Acked-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Dylan Yudaken <dylany@fb.com> Link: https://lore.kernel.org/r/20220714110258.1336200-3-dylany@fb.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
95 lines
2.5 KiB
C
95 lines
2.5 KiB
C
/* 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 */
|