netdev - Re: [PATCH net-next 00/10] bnxt

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Date:   Mon, 30 Jan 2017 20:47:47 -0800
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Michael Chan <michael.chan@...adcom.com>
Cc:     davem@...emloft.net, netdev@...r.kernel.org
Subject: Re: [PATCH net-next 00/10] bnxt_en: Add XDP support.

On Mon, Jan 30, 2017 at 08:49:25PM -0500, Michael Chan wrote:
> The first 8 patches refactor the code (rx/tx code paths and ring logic)
> and add the basic infrastructure to support XDP.  The 9th patch adds
> basic ndo_xdp to support XDP_DROP and XDP_PASS only.  The 10th patch
> completes the series with XDP_TX.

Looks great.
Could you please share performance numbers ?

Also please add something like:
  if (prog && prog->xdp_adjust_head) {
          netdev_warn(dev, "Does not support bpf_xdp_adjust_head()\n");
          return -EOPNOTSUPP;
  }
unless you plan to add adjut_head support until net-next closes.
Note, it's must have for load balancer functionality.