[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>

1 files changed, 3 insertions, 0 deletions

diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
index f92d5310847b..f64be9369ef7 100644
--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -1296,6 +1296,9 @@ static int rose_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
         case SIOCGSTAMP:
                 return sock_get_timestamp(sk, (struct timeval __user *) argp);
 
+        case SIOCGSTAMPNS:
+                return sock_get_timestampns(sk, (struct timespec __user *) argp);
+
         case SIOCGIFADDR:
         case SIOCSIFADDR:
         case SIOCGIFDSTADDR: