[dpdk-dev] [PATCH v4] net/i40e: add flow RSS queue index check
Zhang, Qi Z
qi.z.zhang at intel.com
Wed Apr 4 15:25:40 CEST 2018
> -----Original Message-----
> From: Zhao1, Wei
> Sent: Wednesday, April 4, 2018 4:06 PM
> To: dev at dpdk.org; stable at dpdk.org
> Cc: Zhang, Qi Z <qi.z.zhang at intel.com>; Zhao1, Wei <wei.zhao1 at intel.com>
> Subject: [PATCH v4] net/i40e: add flow RSS queue index check
tile start with fix.
>
> There need a queue index check for RSS queue region in order to aviod error
> from configuration.
>
> Fixes: ecad87d22383 ("net/i40e: move RSS to flow API")
> Signed-off-by: Wei Zhao <wei.zhao1 at intel.com>
> Tested-by: Peng Yuan <yuan.peng at intel.com>
Should be Tested-by: Yuan Peng <yuan.peng at intel.com>
Acked-by: Qi Zhang <qi.z.zhang at intel.com>
>
> ---
>
> Changes in v2:
>
> move check code out from the big loop.
>
> change in v3:
>
> delete unnecessary dash in comment.
>
> change in v4:
>
> add more parameters check code.
> ---
> drivers/net/i40e/i40e_flow.c | 26 ++++++++++++++++++++++++++
> 1 file changed, 26 insertions(+)
>
> diff --git a/drivers/net/i40e/i40e_flow.c b/drivers/net/i40e/i40e_flow.c index
> f3e8c5f..f4d08bb 100644
> --- a/drivers/net/i40e/i40e_flow.c
> +++ b/drivers/net/i40e/i40e_flow.c
> @@ -4216,6 +4216,32 @@ i40e_flow_parse_rss_action(struct rte_eth_dev
> *dev,
> }
> }
>
> + if (conf_info->queue_region_number) {
> + for (i = 0; i < rss->num; i++) {
> + for (j = 0; j < rss_info->num; j++) {
> + if (rss->queue[i] == rss_info->queue[j])
> + break;
> + }
> + if (j == rss_info->num) {
> + rte_flow_error_set(error, EINVAL,
> + RTE_FLOW_ERROR_TYPE_ACTION,
> + act,
> + "no valid queues");
> + return -rte_errno;
> + }
> + }
> +
> + for (i = 0; i < rss->num - 1; i++) {
> + if (rss->queue[i + 1] != rss->queue[i] + 1) {
> + rte_flow_error_set(error, EINVAL,
> + RTE_FLOW_ERROR_TYPE_ACTION,
> + act,
> + "no valid queues");
> + return -rte_errno;
> + }
> + }
> + }
> +
> for (n = 0; n < conf_info->queue_region_number; n++) {
> if (conf_info->region[n].user_priority_num ||
> conf_info->region[n].flowtype_num) {
> --
> 2.7.5
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