On 06/21, Andy Pei wrote:
>Testpmd stucked and core dumped
>when set invalid VF queue number.
>This patch fix this issue.

It's better to wrap the commit message within 72 characters. Perhaps something 
like:

Testpmd would stuck and result in core dump when user specifies an 
invalid VF queue number. This patch fixes this issue.

What do you think?
>
>Fixes: d6b19729093e ("i40evf: support configurable crc stripping")
>Cc: helin.zh...@intel.com
>Cc: sta...@dpdk.org
>
>Signed-off-by: Andy Pei <andy....@intel.com>
>---
>Cc: roy.fan.zh...@intel.com
>Cc: qi.z.zh...@intel.com
>Cc: jingjing...@intel.com
>Cc: beilei.x...@intel.com
>Cc: ferruh.yi...@intel.com
>Cc: rosen...@intel.com
>
> drivers/net/i40e/i40e_ethdev_vf.c | 35 ++++++++++++++++++++++++++++-------
> 1 file changed, 28 insertions(+), 7 deletions(-)
>
>diff --git a/drivers/net/i40e/i40e_ethdev_vf.c 
>b/drivers/net/i40e/i40e_ethdev_vf.c
>index 63dbe14..7096cc5 100644
>--- a/drivers/net/i40e/i40e_ethdev_vf.c
>+++ b/drivers/net/i40e/i40e_ethdev_vf.c
>@@ -573,7 +573,7 @@ struct rte_i40evf_xstats_name_off {
> {
>       txq_info->vsi_id = vsi_id;
>       txq_info->queue_id = queue_id;
>-      if (queue_id < nb_txq) {
>+      if ((queue_id < nb_txq) && txq) {
>               txq_info->ring_len = txq->nb_tx_desc;
>               txq_info->dma_ring_addr = txq->tx_ring_phys_addr;
>       }
>@@ -590,7 +590,7 @@ struct rte_i40evf_xstats_name_off {
>       rxq_info->vsi_id = vsi_id;
>       rxq_info->queue_id = queue_id;
>       rxq_info->max_pkt_size = max_pkt_size;
>-      if (queue_id < nb_rxq) {
>+      if ((queue_id < nb_rxq) && rxq) {
>               rxq_info->ring_len = rxq->nb_rx_desc;
>               rxq_info->dma_ring_addr = rxq->rx_ring_phys_addr;
>               rxq_info->databuffer_size =
>@@ -622,11 +622,32 @@ struct rte_i40evf_xstats_name_off {
>       vc_vqci->num_queue_pairs = nb_qp;
> 
>       for (i = 0, vc_qpi = vc_vqci->qpair; i < nb_qp; i++, vc_qpi++) {
>-              i40evf_fill_virtchnl_vsi_txq_info(&vc_qpi->txq,
>-                      vc_vqci->vsi_id, i, dev->data->nb_tx_queues, txq[i]);
>-              i40evf_fill_virtchnl_vsi_rxq_info(&vc_qpi->rxq,
>-                      vc_vqci->vsi_id, i, dev->data->nb_rx_queues,
>-                                      vf->max_pkt_len, rxq[i]);
>+              if (!txq)
>+                      i40evf_fill_virtchnl_vsi_txq_info(&vc_qpi->txq,
>+                                                      vc_vqci->vsi_id,
>+                                                      i,
>+                                                      dev->data->nb_tx_queues,
>+                                                      NULL);
>+              else
>+                      i40evf_fill_virtchnl_vsi_txq_info(&vc_qpi->txq,
>+                                                      vc_vqci->vsi_id,
>+                                                      i,
>+                                                      dev->data->nb_tx_queues,
>+                                                      txq[i]);
>+              if (!rxq)
>+                      i40evf_fill_virtchnl_vsi_rxq_info(&vc_qpi->rxq,
>+                                                      vc_vqci->vsi_id,
>+                                                      i,
>+                                                      dev->data->nb_rx_queues,
>+                                                      vf->max_pkt_len,
>+                                                      NULL);
>+              else
>+                      i40evf_fill_virtchnl_vsi_rxq_info(&vc_qpi->rxq,
>+                                                      vc_vqci->vsi_id,
>+                                                      i,
>+                                                      dev->data->nb_rx_queues,
>+                                                      vf->max_pkt_len,
>+                                                      rxq[i]);

No need to use one line for each parameter, I think you can still use the old
format.


Thanks,
Xiaolong
>       }
>       memset(&args, 0, sizeof(args));
>       args.ops = VIRTCHNL_OP_CONFIG_VSI_QUEUES;
>-- 
>1.8.3.1
>

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