[dpdk-dev] [PATCH v2] net/ixgbe: fix TDH register setting issue

[Zhang, Qi Z]

> -----Original Message-----
> From: Wu, Yanglong
> Sent: Monday, November 19, 2018 9:59 PM
> To: dev at dpdk.org
> Cc: Zhang, Qi Z <qi.z.zhang at intel.com>; Wu, Jingjing <jingjing.wu at intel.com>;
> Wu, Yanglong <yanglong.wu at intel.com>
> Subject: [PATCH v2] net/ixgbe: fix TDH register setting issue
> 
> The only time that software should write to the TDH register is after a reset
> (hardware reset or CTRL.RST) and before enabling the transmit function
> (TXDCTL.ENABLE).
> If software were to write to this register while the transmit function was
> enabled, the on-chip descriptor buffers might be invalidated and the hardware
> could become confused.
> 
> cc stable at dpdk.org

Cc: stable at dpdk.org

> Signed-off-by: Yanglong Wu <yanglong.wu at intel.com>

Acked-by: Qi Zhang <qi.z.zhang at intel.com>

Applied to dpdk-next-net-intel with adding below fix line
Fixes: 029fd06d40fa ("ixgbe: queue start and stop")

Thanks
Qi