From 6921368f64c59b2a1d4659a958c69458c94d8b75 Mon Sep 17 00:00:00 2001 From: Malli Chilakala Date: Fri, 17 Jun 2005 17:44:20 -0700 Subject: [PATCH] [PATCH] e1000: Ethtool set speed/duplex validates parameters for consistency Ethtool set speed/duplex validates parameters for consistency Signed-off-by: Mallikarjuna R Chilakala Signed-off-by: Ganesh Venkatesan Signed-off-by: John Ronciak --- drivers/net/e1000/e1000_main.c | 7 +++++++ 1 file changed, 7 insertions(+) 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; -- 2.20.1