summaryrefslogtreecommitdiffstats
path: root/drivers
diff options
context:
space:
mode:
authorJohn Allen <jallen@linux.vnet.ibm.com>2017-06-06 16:55:52 -0500
committerDavid S. Miller <davem@davemloft.net>2017-06-07 15:02:45 -0400
commit3a807b751c66e76bff39da4a9bd9828d7866d025 (patch)
tree498bcbbb43e60e9032d90ef4897f1f0bb4433f5a /drivers
parente4061d572cef1f990bb7761f45d00342daa27fbd (diff)
downloadlinux-3a807b751c66e76bff39da4a9bd9828d7866d025.tar.bz2
ibmvnic: Return failure on attempted mtu change
Changing the mtu is currently not supported in the ibmvnic driver. Implement .ndo_change_mtu in the driver so that attempting to use ifconfig to change the mtu will fail and present the user with an error message. Signed-off-by: John Allen <jallen@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/ibm/ibmvnic.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c
index a93757c255f7..c0fbeb387db4 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.c
+++ b/drivers/net/ethernet/ibm/ibmvnic.c
@@ -1468,6 +1468,11 @@ static void ibmvnic_netpoll_controller(struct net_device *dev)
}
#endif
+static int ibmvnic_change_mtu(struct net_device *netdev, int new_mtu)
+{
+ return -EOPNOTSUPP;
+}
+
static const struct net_device_ops ibmvnic_netdev_ops = {
.ndo_open = ibmvnic_open,
.ndo_stop = ibmvnic_close,
@@ -1479,6 +1484,7 @@ static const struct net_device_ops ibmvnic_netdev_ops = {
#ifdef CONFIG_NET_POLL_CONTROLLER
.ndo_poll_controller = ibmvnic_netpoll_controller,
#endif
+ .ndo_change_mtu = ibmvnic_change_mtu,
};
/* ethtool functions */