[dpdk-stable] [dpdk-dev] [PATCH] net/mlx5: disable flow dump for Verbs flow

[Ferruh Yigit]

On 10/6/2020 4:24 PM, Raslan Darawsheh wrote:
> Hi,
> 
>> -----Original Message-----
>> From: dev <dev-bounces at dpdk.org> On Behalf Of Xueming Li
>> Sent: Thursday, September 10, 2020 7:25 AM
>> To: Matan Azrad <matan at nvidia.com>; Slava Ovsiienko
>> <viacheslavo at nvidia.com>
>> Cc: dev at dpdk.org; Asaf Penso <asafp at nvidia.com>; stable at dpdk.org
>> Subject: [dpdk-dev] [PATCH] net/mlx5: disable flow dump for Verbs flow
>>
>> There was a segment fault when dump flows with device argument of
>> dv_flow_en=0. In such case, Verbs flow engine was enabled and fdb
>> resources were not initialized. It's suggested to use mlx_fs_dump
>> for Verbs flow dump.
>>
>> This patch adds verbs engine check, prints warning message and return
>> gracefully.
>>
>> Cc: stable at dpdk.org
>> Signed-off-by: Xueming Li <xuemingl at nvidia.com>

Can you please provide the fixed commit information?
That is required to figure out which stable tress to backport.

>> ---
>>   drivers/net/mlx5/mlx5_flow.c | 5 +++++
>>   1 file changed, 5 insertions(+)
>>
>> diff --git a/drivers/net/mlx5/mlx5_flow.c b/drivers/net/mlx5/mlx5_flow.c
>> index 4c29898203..5a28b80ee4 100644
>> --- a/drivers/net/mlx5/mlx5_flow.c
>> +++ b/drivers/net/mlx5/mlx5_flow.c
>> @@ -6268,6 +6268,11 @@ mlx5_flow_dev_dump(struct rte_eth_dev *dev,
>>   	struct mlx5_priv *priv = dev->data->dev_private;
>>   	struct mlx5_dev_ctx_shared *sh = priv->sh;
>>
>> +	if (!priv->config.dv_flow_en) {
>> +		if (fputs("device dv flow disabled\n", file) <= 0)
>> +			return -errno;
>> +		return -ENOTSUP;
>> +	}
>>   	return mlx5_devx_cmd_flow_dump(sh->fdb_domain, sh-
>>> rx_domain,
>>   				       sh->tx_domain, file);
>>   }
>> --
>> 2.25.1
> 
> Patch applied to next-net-mlx,
> 
> 
> Kindest regards,
> Raslan Darawsheh
>