netdev - Re: [PATCH v3 bpf-next] bpf: devmap: move drop error path to devmap for XDP

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Date:   Thu, 18 Mar 2021 15:50:08 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Lorenzo Bianconi <lorenzo@...nel.org>
Cc:     bpf@...r.kernel.org, netdev@...r.kernel.org, davem@...emloft.net,
        kuba@...nel.org, ast@...nel.org, daniel@...earbox.net,
        brouer@...hat.com, toke@...hat.com, freysteinn.alfredsson@....se,
        lorenzo.bianconi@...hat.com, john.fastabend@...il.com,
        jasowang@...hat.com, mst@...hat.com, thomas.petazzoni@...tlin.com,
        mw@...ihalf.com, linux@...linux.org.uk,
        ilias.apalodimas@...aro.org, netanel@...zon.com,
        akiyano@...zon.com, michael.chan@...adcom.com,
        madalin.bucur@....com, ioana.ciornei@....com,
        jesse.brandeburg@...el.com, anthony.l.nguyen@...el.com,
        saeedm@...dia.com, grygorii.strashko@...com,
        ecree.xilinx@...il.com, maciej.fijalkowski@...el.com
Subject: Re: [PATCH v3 bpf-next] bpf: devmap: move drop error path to devmap for
 XDP_REDIRECT

Hello:

This patch was applied to bpf/bpf-next.git (refs/heads/master):

On Mon,  8 Mar 2021 12:06:58 +0100 you wrote:
> We want to change the current ndo_xdp_xmit drop semantics because
> it will allow us to implement better queue overflow handling.
> This is working towards the larger goal of a XDP TX queue-hook.
> Move XDP_REDIRECT error path handling from each XDP ethernet driver to
> devmap code. According to the new APIs, the driver running the
> ndo_xdp_xmit pointer, will break tx loop whenever the hw reports a tx
> error and it will just return to devmap caller the number of successfully
> transmitted frames. It will be devmap responsability to free dropped
> frames.
> Move each XDP ndo_xdp_xmit capable driver to the new APIs:
> - veth
> - virtio-net
> - mvneta
> - mvpp2
> - socionext
> - amazon ena
> - bnxt
> - freescale (dpaa2, dpaa)
> - xen-frontend
> - qede
> - ice
> - igb
> - ixgbe
> - i40e
> - mlx5
> - ti (cpsw, cpsw-new)
> - tun
> - sfc
> 
> [...]

Here is the summary with links:
  - [v3,bpf-next] bpf: devmap: move drop error path to devmap for XDP_REDIRECT
    https://git.kernel.org/bpf/bpf-next/c/fdc13979f91e

You are awesome, thank you!
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