netdev - Re: [net 8/8] net/mlx5e: kTLS, Add resiliency to zero-size record frags in TX resync flow

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Message-ID: <20200429171238.3f3a552a@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
Date:   Wed, 29 Apr 2020 17:12:38 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Saeed Mahameed <saeedm@...lanox.com>
Cc:     "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
        Tariq Toukan <tariqt@...lanox.com>,
        Boris Pismenny <borisp@...lanox.com>
Subject: Re: [net 8/8] net/mlx5e: kTLS, Add resiliency to zero-size record
 frags in TX resync flow

On Wed, 29 Apr 2020 15:54:49 -0700 Saeed Mahameed wrote:
> From: Tariq Toukan <tariqt@...lanox.com>
> 
> SKBs of TLS records might have empty zero-sized frags.

Why? Let's fix that instead of adding checks to drivers.

> Posting a DUMP WQE for such frag would result an error completion.
> Add in-driver resiliency and skip such frags.
> 
> Fixes: d2ead1f360e8 ("net/mlx5e: Add kTLS TX HW offload support")