linux-stable/include/net/compat.h
Eric Dumazet ae40eb1ef3 [NET]: Introduce SIOCGSTAMPNS ioctl to get timestamps with nanosec resolution
Now network timestamps use ktime_t infrastructure, we can add a new
ioctl() SIOCGSTAMPNS command to get timestamps in 'struct timespec'.
User programs can thus access to nanosecond resolution.

Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
CC: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2007-04-25 22:24:04 -07:00

43 lines
1.4 KiB
C

#ifndef NET_COMPAT_H
#define NET_COMPAT_H
struct sock;
#if defined(CONFIG_COMPAT)
#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_cmsghdr {
compat_size_t cmsg_len;
compat_int_t cmsg_level;
compat_int_t cmsg_type;
};
extern int compat_sock_get_timestamp(struct sock *, struct timeval __user *);
extern int compat_sock_get_timestampns(struct sock *, struct timespec __user *);
#else /* defined(CONFIG_COMPAT) */
#define compat_msghdr msghdr /* to avoid compiler warnings */
#endif /* defined(CONFIG_COMPAT) */
extern int get_compat_msghdr(struct msghdr *, struct compat_msghdr __user *);
extern int verify_compat_iovec(struct msghdr *, struct iovec *, char *, int);
extern asmlinkage long compat_sys_sendmsg(int,struct compat_msghdr __user *,unsigned);
extern asmlinkage long compat_sys_recvmsg(int,struct compat_msghdr __user *,unsigned);
extern asmlinkage long compat_sys_getsockopt(int, int, int, char __user *, int __user *);
extern int put_cmsg_compat(struct msghdr*, int, int, int, void *);
extern int cmsghdr_from_user_compat_to_kern(struct msghdr *, struct sock *, unsigned char *, int);
#endif /* NET_COMPAT_H */