Ethtool set speed/duplex validates parameters for consistency
Signed-off-by: Mallikarjuna R Chilakala <mallikarjuna.chilakala@intel.com>
Signed-off-by: Ganesh Venkatesan <ganesh.venkatesan@intel.com>
Signed-off-by: John Ronciak <john.ronciak@intel.com>
{
adapter->hw.autoneg = 0;
+ /* Fiber NICs only allow 1000 gbps Full duplex */
+ if((adapter->hw.media_type == e1000_media_type_fiber) &&
+ spddplx != (SPEED_1000 + DUPLEX_FULL)) {
+ DPRINTK(PROBE, ERR, "Unsupported Speed/Duplex configuration\n");
+ return -EINVAL;
+ }
+
switch(spddplx) {
case SPEED_10 + DUPLEX_HALF:
adapter->hw.forced_speed_duplex = e1000_10_half;