netdev - Re: [PATCH V3 net 3/3] net: hns3: mark unexcuted loopback test result as UNEXECUTED

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Message-ID: <ZfhMr6t0pQG+Dp63@localhost.localdomain>
Date: Mon, 18 Mar 2024 15:16:15 +0100
From: Michal Kubiak <michal.kubiak@...el.com>
To: Jijie Shao <shaojijie@...wei.com>
CC: <yisen.zhuang@...wei.com>, <salil.mehta@...wei.com>,
	<davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>,
	<pabeni@...hat.com>, <rkannoth@...vell.com>, <shenjian15@...wei.com>,
	<wangjie125@...wei.com>, <liuyonglong@...wei.com>, <netdev@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH V3 net 3/3] net: hns3: mark unexcuted loopback test
 result as UNEXECUTED

On Mon, Mar 18, 2024 at 09:29:48PM +0800, Jijie Shao wrote:
> From: Jian Shen <shenjian15@...wei.com>
> 
> Currently, loopback test may be skipped when resetting, but the test
> result will still show as 'PASS', because the driver doesn't set
> ETH_TEST_FL_FAILED flag. Fix it by setting the flag and
> initializating the value to UNEXECUTED.
> 
> Fixes: 4c8dab1c709c ("net: hns3: reconstruct function hns3_self_test")
> Signed-off-by: Jian Shen <shenjian15@...wei.com>
> Signed-off-by: Jijie Shao <shaojijie@...wei.com>
> ---
>  .../ethernet/hisilicon/hns3/hns3_ethtool.c    | 19 +++++++++++++++++--
>  1 file changed, 17 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
> index 999a0ee162a6..941cb529d671 100644
> --- a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
> +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
> @@ -78,6 +78,9 @@ static const struct hns3_stats hns3_rxq_stats[] = {
>  #define HNS3_NIC_LB_TEST_NO_MEM_ERR	1
>  #define HNS3_NIC_LB_TEST_TX_CNT_ERR	2
>  #define HNS3_NIC_LB_TEST_RX_CNT_ERR	3
> +#define HNS3_NIC_LB_TEST_UNEXECUTED	4
> +
> +static int hns3_get_sset_count(struct net_device *netdev, int stringset);
>  
>  static int hns3_lp_setup(struct net_device *ndev, enum hnae3_loop loop, bool en)
>  {
> @@ -418,18 +421,26 @@ static void hns3_do_external_lb(struct net_device *ndev,
>  static void hns3_self_test(struct net_device *ndev,
>  			   struct ethtool_test *eth_test, u64 *data)
>  {
> +	int cnt = hns3_get_sset_count(ndev, ETH_SS_TEST);
>  	struct hns3_nic_priv *priv = netdev_priv(ndev);
>  	struct hnae3_handle *h = priv->ae_handle;
>  	int st_param[HNAE3_LOOP_NONE][2];
>  	bool if_running = netif_running(ndev);
> +	int i;
> +
> +	/* initialize the loopback test result, avoid marking an unexcuted
> +	 * loopback test as PASS.
> +	 */
> +	for (i = 0; i < cnt; i++)
> +		data[i] = HNS3_NIC_LB_TEST_UNEXECUTED;
>  
>  	if (hns3_nic_resetting(ndev)) {
>  		netdev_err(ndev, "dev resetting!");
> -		return;
> +		goto failure;
>  	}
>  
>  	if (!(eth_test->flags & ETH_TEST_FL_OFFLINE))
> -		return;
> +		goto failure;
>  
>  	if (netif_msg_ifdown(h))
>  		netdev_info(ndev, "self test start\n");
> @@ -451,6 +462,10 @@ static void hns3_self_test(struct net_device *ndev,
>  
>  	if (netif_msg_ifdown(h))
>  		netdev_info(ndev, "self test end\n");
> +	return;
> +
> +failure:
> +	eth_test->flags |= ETH_TEST_FL_FAILED;
>  }
>  
>  static void hns3_update_limit_promisc_mode(struct net_device *netdev,
> -- 
> 2.30.0
> 


Thanks!
Reviewed-by: Michal Kubiak <michal.kubiak@...el.com>