On Thu, 2020-12-10 at 11:42 +0800, Huazhong Tan wrote:
> From: Jian Shen <shenjia...@huawei.com>
> 
> For some new device, it supports forwarding packet to queues
> of specified TC when flow director rule hit. So extend the
> command handle to support it.
> 

...

>  static int hclge_config_action(struct hclge_dev *hdev, u8 stage,
>                              struct hclge_fd_rule *rule)
>  {
> +     struct hclge_vport *vport = hdev->vport;
> +     struct hnae3_knic_private_info *kinfo = &vport->nic.kinfo;
>       struct hclge_fd_ad_data ad_data;
>  
> +     memset(&ad_data, 0, sizeof(struct hclge_fd_ad_data));
>       ad_data.ad_id = rule->location;
>  
>       if (rule->action == HCLGE_FD_ACTION_DROP_PACKET) {
>               ad_data.drop_packet = true;
> -             ad_data.forward_to_direct_queue = false;
> -             ad_data.queue_id = 0;
> +     } else if (rule->action == HCLGE_FD_ACTION_SELECT_TC) {
> +             ad_data.override_tc = true;
> +             ad_data.queue_id =
> +                     kinfo->tc_info.tqp_offset[rule->tc];
> +             ad_data.tc_size =
> +                     ilog2(kinfo->tc_info.tqp_count[rule->tc]);

In the previous patch you copied this info from mqprio, which is an
egress qdisc feature, this patch is clearly about rx flow director, I
think the patch is missing some context otherwise it doesn't make any
sense.

>       } else {
> -             ad_data.drop_packet = false;
>               ad_data.forward_to_direct_queue = true;
>               ad_data.queue_id = rule->queue_id;
>       }
> @@ -5937,7 +5950,7 @@ static int hclge_add_fd_entry(struct
> hnae3_handle *handle,
>                       return -EINVAL;
>               }
>  
> -             action = HCLGE_FD_ACTION_ACCEPT_PACKET;
> +             action = HCLGE_FD_ACTION_SELECT_QUEUE;
>               q_index = ring;
>       }
>  
> diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h
> b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h
> index b3c1301..a481064 100644
> --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h
> +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h
> @@ -572,8 +572,9 @@ enum HCLGE_FD_PACKET_TYPE {
>  };
>  
>  enum HCLGE_FD_ACTION {
> -     HCLGE_FD_ACTION_ACCEPT_PACKET,
> +     HCLGE_FD_ACTION_SELECT_QUEUE,
>       HCLGE_FD_ACTION_DROP_PACKET,
> +     HCLGE_FD_ACTION_SELECT_TC,

what is SELECT_TC ? you never actually write this value anywhere  in
this patch.


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