Re: [PATCH v1] e1000e: honor pause autoneg flag

From: Jeff Kirsher
Date: Wed Jul 16 2014 - 05:23:58 EST


On Tue, 2014-07-15 at 15:09 -0700, David Decotigny wrote:
> Before:
> ifup eth0
> ethtool -A eth0 autoneg off rx on
> ethtool -a eth0 # rx on, as expected
> ifconfig eth0 up
> sleep 5
> ethtool -a eth0 # rx off, not expected
>
> After:
> rx on with iface up, as expected
>
> Signed-off-by: David Decotigny <decot@xxxxxxxxxxxx>
> ---
> drivers/net/ethernet/intel/e1000e/mac.c | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)

Thanks David, I will add your patch to my queue.

>
> diff --git a/drivers/net/ethernet/intel/e1000e/mac.c b/drivers/net/ethernet/intel/e1000e/mac.c
> index 8c386f3a..ef014ae 100644
> --- a/drivers/net/ethernet/intel/e1000e/mac.c
> +++ b/drivers/net/ethernet/intel/e1000e/mac.c
> @@ -1048,7 +1048,8 @@ s32 e1000e_config_fc_after_link_up(struct e1000_hw *hw)
> * has completed, and if so, how the PHY and link partner has
> * flow control configured.
> */
> - if ((hw->phy.media_type == e1000_media_type_copper) && mac->autoneg) {
> + if ((hw->phy.media_type == e1000_media_type_copper) && mac->autoneg &&
> + hw->adapter->fc_autoneg) {
> /* Read the MII Status Register and check to see if AutoNeg
> * has completed. We read this twice because this reg has
> * some "sticky" (latched) bits.
> @@ -1191,7 +1192,7 @@ s32 e1000e_config_fc_after_link_up(struct e1000_hw *hw)
> * flow control configured.
> */
> if ((hw->phy.media_type == e1000_media_type_internal_serdes) &&
> - mac->autoneg) {
> + mac->autoneg && hw->adapter->fc_autoneg) {
> /* Read the PCS_LSTS and check to see if AutoNeg
> * has completed.
> */


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