[dpdk-dev] [PATCH] net/qede: fix L2-handles used for RSS hash update
Kevin Traynor
ktraynor at redhat.com
Tue Jun 5 15:39:40 CEST 2018
On 06/01/2018 06:16 PM, Rasesh Mody wrote:
> Fix fast path array index which is used for passing L2 handles to RSS
> indirection table. Currently, it is using the local copy of indirection
> table. When the RX queue configuration changes the local copy becomes
> invalid.
>
> Fixes: 69d7ba88f1a1 ("net/qede/base: use L2-handles for RSS configuration")
> Cc: stable at dpdk.org
>
> Signed-off-by: Rasesh Mody <rasesh.mody at cavium.com>
> ---
> drivers/net/qede/qede_ethdev.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/qede/qede_ethdev.c b/drivers/net/qede/qede_ethdev.c
> index 3206cc6..6e9e76d 100644
> --- a/drivers/net/qede/qede_ethdev.c
> +++ b/drivers/net/qede/qede_ethdev.c
> @@ -2210,7 +2210,7 @@ int qede_rss_hash_update(struct rte_eth_dev *eth_dev,
> vport_update_params.vport_id = 0;
> /* pass the L2 handles instead of qids */
> for (i = 0 ; i < ECORE_RSS_IND_TABLE_SIZE ; i++) {
> - idx = qdev->rss_ind_table[i];
> + idx = ECORE_RSS_IND_TABLE_SIZE % QEDE_RSS_COUNT(qdev);
> rss_params.rss_ind_table[i] = qdev->fp_array[idx].rxq->handle;
hi, idx never changes in the loop, so the same rxq handle is in every
rss_ind_table entry - is it right?
> }
> vport_update_params.rss_params = &rss_params;
>
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