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authorBen Hutchings <bhutchings@solarflare.com>2013-11-14 01:19:29 +0000
committerBen Hutchings <bhutchings@solarflare.com>2013-11-19 19:07:21 +0000
commitfd468c74bd4d6949736810a80d6ca05eb20fba84 (patch)
treec68b11620237ba704b740827ce952409b5666231 /net/core/dev_ioctl.c
parent590d4693fb1c96ce441d11c6d1acb413a90b62e5 (diff)
net_tstamp: Add SIOCGHWTSTAMP ioctl to match SIOCSHWTSTAMP
SIOCSHWTSTAMP returns the real configuration to the application using it, but there is currently no way for any other application to find out the configuration non-destructively. Add a new ioctl for this, making it unprivileged. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Diffstat (limited to 'net/core/dev_ioctl.c')
-rw-r--r--net/core/dev_ioctl.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/core/dev_ioctl.c b/net/core/dev_ioctl.c
index 5b7d0e1d0664..cf999e09bcd2 100644
--- a/net/core/dev_ioctl.c
+++ b/net/core/dev_ioctl.c
@@ -327,6 +327,7 @@ static int dev_ifsioc(struct net *net, struct ifreq *ifr, unsigned int cmd)
cmd == SIOCBRADDIF ||
cmd == SIOCBRDELIF ||
cmd == SIOCSHWTSTAMP ||
+ cmd == SIOCGHWTSTAMP ||
cmd == SIOCWANDEV) {
err = -EOPNOTSUPP;
if (ops->ndo_do_ioctl) {
@@ -546,6 +547,7 @@ int dev_ioctl(struct net *net, unsigned int cmd, void __user *arg)
*/
default:
if (cmd == SIOCWANDEV ||
+ cmd == SIOCGHWTSTAMP ||
(cmd >= SIOCDEVPRIVATE &&
cmd <= SIOCDEVPRIVATE + 15)) {
dev_load(net, ifr.ifr_name);