Re: [PATCH v2] mptcp: do not drop partial packets

[Shardul Bankar <shardulsb08@gmail.com>]

On Wed, 2026-04-22 at 19:03 +0200, Matthieu Baerts wrote:
> Hi Shardul,
> 
> On 22/04/2026 16:39, Shardul Bankar wrote:
> > 
> 
> Thank you for the v2.
> 
> I didn't review it (yet), but just to let you know that there are
> some
> rules on Netdev [1] (that usually also applied on MPTCP side), and an
> important one is:
> 
>  - don't repost your patches within one 24h period
> 
> Each version generates a lot of emails that are sent and need to be
> triaged. With the high volume, it is then harder for us to follow,
> plus
> a lot of shared resources are used, etc.
> 
> One last thing, because this patch is not an urgent fix, do you mind
> sending new versions only the to MPTCP ML: to a restricted number of
> people for the first versions, there is enough traffic on Netdev.
> 
> [1] https://docs.kernel.org/process/maintainer-netdev.html
> 
> > A previous attempt at this fix (commit 1d2ce718811a ("mptcp: do not
> > drop partial packets"), reverted in commit bf39160c4218 ("Revert
> 
> Note: these two commits should not be mentioned here, they have only
> been applied to the MPTCP tree, but not upstreamed. Instead, please
> use
> lore links, e.g.
> 
> https://lore.kernel.org/c9b426a4e163aa3c4fe8b80c79f1a610f47ae7d8.1763075056.git.pabeni@redhat.com
> 
> > "mptcp: do not drop partial packets"")) also added a zero-window
> > check and changed rcv_wnd_sent initialization, which caused test
> > regressions.  This version addresses only the partial packet
> > handling
> > without modifying receive window accounting.
> > 
> > Fixes: ab174ad8ef76 ("mptcp: move ooo skbs into msk out of order
> > queue.")
> > Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/600
> > Signed-off-by: Shardul Bankar <shardul.b@mpiricsoftware.com>
> 
> Checkpatch is complaining that the author of the patch is not the
> same
> as the one who sent the patch; You probably need to run this command
> to
> fix it:
> 
>   git commit --amend --reset-author
> 
> (when the patch is sent, `git format-patch` will add a second From:
> tag)
> 
> Cheers,
> Matt

Hi Matthieu,

Thanks for the pointers. I'll wait for your code review and address the
process feedback (recipient list, commit message, email mismatch) along
with any code comments together in v3.

Regards,
Shardul