net/af_xdp: fix redundant check for NEED WAKEUP
Checks
Commit Message
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@dpdk.org
Signed-off-by: Xiao Wang <xiao.w.wang@intel.com>
---
drivers/net/af_xdp/rte_eth_af_xdp.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
Comments
>
> 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@dpdk.org
>
> Signed-off-by: Xiao Wang <xiao.w.wang@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@intel.com>
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@dpdk.org
>>
>> Signed-off-by: Xiao Wang <xiao.w.wang@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@intel.com>
>
Applied to dpdk-next-net/master, thanks.
@@ -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);