[dpdk-dev] [PATCH] net/avf: fix Rx interrupt mapping
Lu, Wenzhuo
wenzhuo.lu at intel.com
Wed May 9 07:24:29 CEST 2018
Hi Jingjing,
> -----Original Message-----
> From: Wu, Jingjing
> Sent: Thursday, May 3, 2018 11:09 AM
> To: Lu, Wenzhuo <wenzhuo.lu at intel.com>
> Cc: Wu, Jingjing <jingjing.wu at intel.com>; dev at dpdk.org; stable at dpdk.org
> Subject: [PATCH] net/avf: fix Rx interrupt mapping
>
> Vector used for rx mapping is different if WB_ON_ITR is supported. The
> mapping table need to be updated.
>
> Fixes: d6bde6b5eae9 ("net/avf: enable Rx interrupt")
>
> Signed-off-by: Jingjing Wu <jingjing.wu at intel.com>
> Cc: stable at dpdk.org
> ---
> drivers/net/avf/avf_ethdev.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/net/avf/avf_ethdev.c b/drivers/net/avf/avf_ethdev.c index
> a1ae3a2..db0eda4 100644
> --- a/drivers/net/avf/avf_ethdev.c
> +++ b/drivers/net/avf/avf_ethdev.c
> @@ -339,13 +339,13 @@ static int avf_config_rx_queues_irqs(struct
> rte_eth_dev *dev,
> AVF_WRITE_FLUSH(hw);
> /* map all queues to the same interrupt */
> for (i = 0; i < dev->data->nb_rx_queues; i++)
> - vf->rxq_map[0] |= 1 << i;
> + vf->rxq_map[vf->msix_base] |= 1 << i;
> } else {
> if (!rte_intr_allow_others(intr_handle)) {
> vf->nb_msix = 1;
> vf->msix_base = AVF_MISC_VEC_ID;
> for (i = 0; i < dev->data->nb_rx_queues; i++) {
> - vf->rxq_map[0] |= 1 << i;
> + vf->rxq_map[AVF_MISC_VEC_ID] |= 1 << i;
Looks better using " vf->msix_base" here too.
> intr_handle->intr_vec[i] = AVF_MISC_VEC_ID;
> }
> PMD_DRV_LOG(DEBUG,
Better updating the debug log either.
> --
> 2.4.11
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