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[NET]: Introduce SIOCGSTAMPNS ioctl to get timestamps with nanosec resolution

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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>
This commit is contained in:
Eric Dumazet
2007-03-18 17:33:16 -07:00
committed by David S. Miller
parent cb69cc5236
commit ae40eb1ef3
37 changed files with 146 additions and 22 deletions
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include/net/compat.h
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@@ -25,6 +25,7 @@ struct compat_cmsghdr {
};
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 */