netdev - Re: [PATCH 3/5] ixgbe: add AF

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Message-ID: <20180925075714.75db73ac@cakuba.netronome.com>
Date:   Tue, 25 Sep 2018 07:57:14 -0700
From:   Jakub Kicinski <jakub.kicinski@...ronome.com>
To:     Björn Töpel <bjorn.topel@...il.com>
Cc:     jeffrey.t.kirsher@...el.com, intel-wired-lan@...ts.osuosl.org,
        Björn Töpel <bjorn.topel@...el.com>,
        magnus.karlsson@...el.com, magnus.karlsson@...il.com,
        ast@...nel.org, daniel@...earbox.net, netdev@...r.kernel.org,
        brouer@...hat.com, u9012063@...il.com, tuc@...are.com
Subject: Re: [PATCH 3/5] ixgbe: add AF_XDP zero-copy Rx support

On Mon, 24 Sep 2018 18:35:55 +0200, Björn Töpel wrote:
> +	if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED)
> +		return -EINVAL;
> +
> +	if (adapter->flags & IXGBE_FLAG_DCB_ENABLED)
> +		return -EINVAL;

Hm, should you add UMEM checks to all the places these may get
enabled?  Like fabf1bce103a ("ixgbe: Prevent unsupported configurations
with XDP") did?