[dpdk-dev] [PATCH v2 4/5] net/i40e: enable flow query RSS

Jeff Guo jia.guo at intel.com
Tue Jun 30 08:48:47 CEST 2020


hi, chenxu

On 6/15/2020 10:18 AM, Chenxu Di wrote:
> This patch enables flow query function to get the
> configuration ofthe specified rule.


"ofthe" should be "of the".


>
> Signed-off-by: Chenxu Di <chenxux.di at intel.com>
> ---
>   drivers/net/i40e/i40e_flow.c | 51 ++++++++++++++++++++++++++++++++++++
>   1 file changed, 51 insertions(+)
>
> diff --git a/drivers/net/i40e/i40e_flow.c b/drivers/net/i40e/i40e_flow.c
> index 8f8df6fae..b070802bd 100644
> --- a/drivers/net/i40e/i40e_flow.c
> +++ b/drivers/net/i40e/i40e_flow.c
> @@ -43,6 +43,11 @@ static int i40e_flow_destroy(struct rte_eth_dev *dev,
>   			     struct rte_flow_error *error);
>   static int i40e_flow_flush(struct rte_eth_dev *dev,
>   			   struct rte_flow_error *error);
> +static int i40e_flow_query(struct rte_eth_dev *dev,
> +			   struct rte_flow *flow,
> +			   const struct rte_flow_action *actions,
> +			   void *data,
> +			   struct rte_flow_error *error);
>   static int
>   i40e_flow_parse_ethertype_pattern(struct rte_eth_dev *dev,
>   				  const struct rte_flow_item *pattern,
> @@ -129,6 +134,7 @@ const struct rte_flow_ops i40e_flow_ops = {
>   	.create = i40e_flow_create,
>   	.destroy = i40e_flow_destroy,
>   	.flush = i40e_flow_flush,
> +	.query = i40e_flow_query,
>   };
>   
>   static union i40e_filter_t cons_filter;
> @@ -5462,3 +5468,48 @@ i40e_flow_flush_rss_filter(struct rte_eth_dev *dev)
>   
>   	return ret;
>   }
> +
> +static int
> +i40e_flow_query(struct rte_eth_dev *dev __rte_unused,
> +		struct rte_flow *flow,
> +		const struct rte_flow_action *actions,
> +		void *data,
> +		struct rte_flow_error *error)


This line is no need to separate and please check also below code.


> +{
> +	struct i40e_rss_filter *rss_rule = (struct i40e_rss_filter *)flow->rule;
> +	enum rte_filter_type filter_type = flow->filter_type;
> +	struct rte_flow_action_rss *rss_conf = data;
> +
> +	if (!rss_rule) {
> +		rte_flow_error_set(error, EINVAL,
> +				   RTE_FLOW_ERROR_TYPE_HANDLE,
> +				   NULL, "Invalid rule");
> +		return -rte_errno;
> +	}
> +
> +	for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
> +		switch (actions->type) {
> +		case RTE_FLOW_ACTION_TYPE_VOID:
> +			break;
> +		case RTE_FLOW_ACTION_TYPE_RSS:
> +			if (filter_type != RTE_ETH_FILTER_HASH) {
> +				rte_flow_error_set(error, ENOTSUP,
> +						   RTE_FLOW_ERROR_TYPE_ACTION,
> +						   actions,
> +						   "action not supported");
> +				return -rte_errno;
> +			}
> +			rte_memcpy(rss_conf,
> +				   &rss_rule->rss_filter_info.conf,
> +				   sizeof(struct rte_flow_action_rss));
> +			break;
> +		default:
> +			return rte_flow_error_set(error, ENOTSUP,
> +						  RTE_FLOW_ERROR_TYPE_ACTION,
> +						  actions,
> +						  "action not supported");
> +		}
> +	}
> +
> +	return 0;
> +}


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