[dpdk-dev] [PATCH] net/iavf: fix queue pairs configuration
Huang, ZhiminX
zhiminx.huang at intel.com
Thu Dec 24 10:33:04 CET 2020
Tested-by: Huang, ZhiminX <zhiminx.huang at intel.com>
Regards,
HuangZhiMin
> -----Original Message-----
> From: dev <dev-bounces at dpdk.org> On Behalf Of Zhang,Alvin
> Sent: Wednesday, December 23, 2020 1:30 PM
> To: Xing, Beilei <beilei.xing at intel.com>; Xu, Ting <ting.xu at intel.com>
> Cc: dev at dpdk.org; Zhang, AlvinX <alvinx.zhang at intel.com>; stable at dpdk.org
> Subject: [dpdk-dev] [PATCH] net/iavf: fix queue pairs configuration
>
> From: Alvin Zhang <alvinx.zhang at intel.com>
>
> Check if there are enough queue pairs currently allocated, and if not, request
> PF to allocate them.
>
> Fixes: e436cd43835b ("net/iavf: negotiate large VF and request more queues")
> Cc: stable at dpdk.org
>
> Signed-off-by: Alvin Zhang <alvinx.zhang at intel.com>
> ---
> drivers/net/iavf/iavf_ethdev.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/net/iavf/iavf_ethdev.c b/drivers/net/iavf/iavf_ethdev.c index
> 7e3c26a..f015121 100644
> --- a/drivers/net/iavf/iavf_ethdev.c
> +++ b/drivers/net/iavf/iavf_ethdev.c
> @@ -372,8 +372,10 @@ struct rte_iavf_xstats_name_off {
> } else {
> /* Check if large VF is already enabled. If so, disable and
> * release redundant queue resource.
> + * Or check if enough queue pairs. If not, request them from PF.
> */
> - if (vf->lv_enabled) {
> + if (vf->lv_enabled ||
> + num_queue_pairs > vf->vsi_res->num_queue_pairs) {
> ret = iavf_queues_req_reset(dev, num_queue_pairs);
> if (ret)
> return ret;
> --
> 1.8.3.1
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