[dpdk-dev] [dpdk-stable] [PATCH] net/af_xdp: fix redundant check for NEED WAKEUP

[Ferruh Yigit]

On 1/8/2020 3:57 PM, Loftus, Ciara wrote:
>>
>> Function kick_tx() has built-in detection on NEED_WAKEUP flag, so just
>> call it directly, like elsewhere in the driver.
>>
>> Fixes: d8a210774e1d ("net/af_xdp: support unaligned umem chunks")
>> Cc: stable at dpdk.org
>>
>> Signed-off-by: Xiao Wang <xiao.w.wang at intel.com>
>> ---
>>  drivers/net/af_xdp/rte_eth_af_xdp.c | 5 +----
>>  1 file changed, 1 insertion(+), 4 deletions(-)
>>
>> diff --git a/drivers/net/af_xdp/rte_eth_af_xdp.c
>> b/drivers/net/af_xdp/rte_eth_af_xdp.c
>> index 2b1245ee4..d903e6c28 100644
>> --- a/drivers/net/af_xdp/rte_eth_af_xdp.c
>> +++ b/drivers/net/af_xdp/rte_eth_af_xdp.c
>> @@ -480,10 +480,7 @@ af_xdp_tx_zc(void *queue, struct rte_mbuf **bufs,
>> uint16_t nb_pkts)
>>  		tx_bytes += mbuf->pkt_len;
>>  	}
>>
>> -#if defined(XDP_USE_NEED_WAKEUP)
>> -	if (xsk_ring_prod__needs_wakeup(&txq->tx))
>> -#endif
>> -		kick_tx(txq);
>> +	kick_tx(txq);
>>
>>  out:
>>  	xsk_ring_prod__submit(&txq->tx, count);
>> --
>> 2.15.1
> 
> 
> Thanks for the patch.
> 
> Tested-by: Ciara Loftus <ciara.loftus at intel.com>
> 

Applied to dpdk-next-net/master, thanks.