netdev - Re: [Patch net] mlx5: check for malformed packets

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Message-ID: <CAM_iQpX_6eFzLz7-82bZsf9A-mm47MENmiRcoXHGnqs4FKRXNw@mail.gmail.com>
Date:   Mon, 3 Dec 2018 10:39:03 -0800
From:   Cong Wang <xiyou.wangcong@...il.com>
To:     Linux Kernel Network Developers <netdev@...r.kernel.org>
Cc:     Tariq Toukan <tariqt@...lanox.com>,
        Saeed Mahameed <saeedm@...lanox.com>
Subject: Re: [Patch net] mlx5: check for malformed packets

On Sat, Dec 1, 2018 at 12:38 PM Cong Wang <xiyou.wangcong@...il.com> wrote:
>
> is_last_ethertype_ip() is used to check IP/IPv6 protocol before
> parsing IP/IPv6 headers.

One thing I noticed while reviewing the assembly code is that
is_last_ethertype_ip() is no longer inlined after this patch.

I think I should keep it inlined by using __always_inline, as it is on
a hot path.

What do you think, Tariq?