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authorMalli Chilakala <mallikarjuna.chilakala@intel.com>2005-06-17 17:44:20 -0700
committerJeff Garzik <jgarzik@pobox.com>2005-06-27 00:34:25 -0400
commit6921368f64c59b2a1d4659a958c69458c94d8b75 (patch)
tree61b2c7b08ffa56d33ff5b0899b8074d09692b701 /drivers
parentd439d4b7ac24b341a40a98995f6a6d3ef586eaf7 (diff)
[PATCH] e1000: Ethtool set speed/duplex validates parameters for consistency
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/e1000/e1000_main.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index d59f75b7bf1..f680c87254b 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -3617,6 +3617,13 @@ e1000_set_spd_dplx(struct e1000_adapter *adapter, uint16_t spddplx)
{
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;