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From: Raslan Darawsheh <rasland@mellanox.com>
To: Shy Shyman <shys@mellanox.com>, "dev@dpdk.org" <dev@dpdk.org>
Cc: Matan Azrad <matan@mellanox.com>,
	Slava Ovsiienko <viacheslavo@mellanox.com>,
	"stable@dpdk.org" <stable@dpdk.org>
Subject: Re: [dpdk-stable] [dpdk-dev] [PATCH] net/mlx5: fix flow META item validation
Date: Sun, 5 Jul 2020 08:05:28 +0000
Message-ID: <AM0PR05MB67077A487DC0ADCD26FB680DC2680@AM0PR05MB6707.eurprd05.prod.outlook.com> (raw)
In-Reply-To: <20200628093631.56672-1-shys@mellanox.com>

Hi,

> -----Original Message-----
> From: dev <dev-bounces@dpdk.org> On Behalf Of Shy Shyman
> Sent: Sunday, June 28, 2020 12:37 PM
> To: dev@dpdk.org
> Cc: Matan Azrad <matan@mellanox.com>; Slava Ovsiienko
> <viacheslavo@mellanox.com>; stable@dpdk.org
> Subject: [dpdk-dev] [PATCH] net/mlx5: fix flow META item validation
> 
> When flow is inserted with meta match item it requires a certain
> register support.
> As part of the flow validation of such flows, the validation
> function is missing a check that the mlx5 driver is not in
> legacy mode in terms of extended meta data support
> (MLX5_XMETA_MODE_LEGACY flag).
> If the driver is in legacy mode it will cause downstream
> function that allocates needed register for meta data.
> 
> The fix checks explicitly the conditions for support of
> meta data in FDB mode. if the conditions are not met
> an error message will be issued.
> 
> Fixes: 9bf26e1318 ("ethdev: move egress metadata to dynamic field")
> Cc: viacheslavo@mellanox.com
> Cc: stable@dpdk.org
> 
> Signed-off-by: Shy Shyman <shys@mellanox.com>
> ---
>  drivers/net/mlx5/mlx5_flow_dv.c | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/drivers/net/mlx5/mlx5_flow_dv.c
> b/drivers/net/mlx5/mlx5_flow_dv.c
> index 6318bd99cd..e037643c98 100644
> --- a/drivers/net/mlx5/mlx5_flow_dv.c
> +++ b/drivers/net/mlx5/mlx5_flow_dv.c
> @@ -1479,6 +1479,13 @@ flow_dv_validate_item_meta(struct rte_eth_dev
> *dev __rte_unused,
>  					  "isn't supported");
>  		if (reg != REG_A)
>  			nic_mask.data = priv->sh->dv_meta_mask;
> +	} else if (attr->transfer) {
> +		return rte_flow_error_set(error, ENOTSUP,
> +					RTE_FLOW_ERROR_TYPE_ITEM, item,
> +					"extended metadata feature "
> +					"should be enabled when "
> +					"meta item is requested "
> +					"with e-switch mode ");
>  	}
>  	if (!mask)
>  		mask = &rte_flow_item_meta_mask;
> --
> 2.21.0


Patch applied to next-net-mlx,

Kindest regards,
Raslan Darawsheh

      parent reply	other threads:[~2020-07-05  8:05 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-28  9:36 [dpdk-stable] " Shy Shyman
2020-07-01 18:02 ` Matan Azrad
     [not found] ` <AM0PR05MB42893357B960A8889A898976C06C0@AM0PR05MB4289.eurprd05.prod.outlook.com>
2020-07-01 19:33   ` Matan Azrad
2020-07-05  8:05 ` Raslan Darawsheh [this message]

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