Re: [PATCH net-next] net: ena: Add a driver for Amazon Elastic Network Adapters (ENA)

From: Netanel Belgazal
Date: Tue Jun 21 2016 - 06:02:53 EST




On 06/21/2016 01:43 AM, Francois Romieu wrote:
> Netanel Belgazal <netanel@xxxxxxxxxxxxxxxxx> :
> [...]
>>> diff --git a/drivers/net/ethernet/amazon/ena/ena_com.h b/drivers/net/ethernet/amazon/ena/ena_com.h
>>> new file mode 100644
>>> index 0000000..e49ba43
>>> --- /dev/null
>>> [...]
>>> +static inline void ena_com_update_intr_reg(struct ena_eth_io_intr_reg *intr_reg,
>>> + u32 rx_delay_interval,
>>> + u32 tx_delay_interval,
>>> + bool unmask)
>>> +{
>>> + intr_reg->intr_control = 0;
>>> + intr_reg->intr_control |= rx_delay_interval &
>>> + ENA_ETH_IO_INTR_REG_RX_INTR_DELAY_MASK;
>>> +
>>> + intr_reg->intr_control |=
>>> + (tx_delay_interval << ENA_ETH_IO_INTR_REG_TX_INTR_DELAY_SHIFT)
>>> + & ENA_ETH_IO_INTR_REG_RX_INTR_DELAY_MASK;
>>> ^^ TX ?
>>>
>>> Extra: you should not return NETDEV_TX_BUSY in the xmit handler while
>>> queueing is still enabled. Please drop packet and return NETDEV_TX_OK.
>> Ack.
>>
>> Thanks for your review.
> Ack/nack regarding use of ..._RX_INTR_DELAY_MASK with ..._TX_INTR_DELAY_SHIFT ?
You are right, it should have been TX_INTR_DELAY_SHIFT.
I'll fix that.