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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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12
net/x25/af_x25.c
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@@ -1280,6 +1280,12 @@ static int x25_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
rc = sock_get_timestamp(sk,
(struct timeval __user *)argp);
break;
case SIOCGSTAMPNS:
rc = -EINVAL;
if (sk)
rc = sock_get_timestampns(sk,
(struct timespec __user *)argp);
break;
case SIOCGIFADDR:
case SIOCSIFADDR:
case SIOCGIFDSTADDR:
@@ -1521,6 +1527,12 @@ static int compat_x25_ioctl(struct socket *sock, unsigned int cmd,
rc = compat_sock_get_timestamp(sk,
(struct timeval __user*)argp);
break;
case SIOCGSTAMPNS:
rc = -EINVAL;
if (sk)
rc = compat_sock_get_timestampns(sk,
(struct timespec __user*)argp);
break;
case SIOCGIFADDR:
case SIOCSIFADDR:
case SIOCGIFDSTADDR: