commit ae40eb1ef30ab4120bd3c8b7e3da99ee53d27a23
author Eric Dumazet <dada1@cosmosbay.com> Sun Mar 18 17:33:16 2007 -0700
committer David S. Miller <davem@sunset.davemloft.net> Wed Apr 25 22:24:04 2007 -0700
tree b5ae288b3c27d13bde9648c41d7db3cfe1884bc2
parent cb69cc52364690d7789940c480b3a9490784b680

[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>

net/ipv4/af_inet.c

diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index cf358c8..df41856 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -755,6 +755,9 @@
 		case SIOCGSTAMP:
 			err = sock_get_timestamp(sk, (struct timeval __user *)arg);
 			break;
+		case SIOCGSTAMPNS:
+			err = sock_get_timestampns(sk, (struct timespec __user *)arg);
+			break;
 		case SIOCADDRT:
 		case SIOCDELRT:
 		case SIOCRTMSG: