netdev - Re: [PATCH net-next 6/6] net: mvneta: enable jumbo frames for XDP

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Message-ID: <20200819141428.24e5183a@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
Date:   Wed, 19 Aug 2020 14:14:28 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Lorenzo Bianconi <lorenzo.bianconi@...hat.com>
Cc:     Lorenzo Bianconi <lorenzo@...nel.org>, netdev@...r.kernel.org,
        bpf@...r.kernel.org, davem@...emloft.net, brouer@...hat.com,
        echaudro@...hat.com, sameehj@...zon.com
Subject: Re: [PATCH net-next 6/6] net: mvneta: enable jumbo frames for XDP

On Wed, 19 Aug 2020 22:22:23 +0200 Lorenzo Bianconi wrote:
> > On Wed, 19 Aug 2020 15:13:51 +0200 Lorenzo Bianconi wrote:  
> > > Enable the capability to receive jumbo frames even if the interface is
> > > running in XDP mode
> > > 
> > > Signed-off-by: Lorenzo Bianconi <lorenzo@...nel.org>  
> > 
> > Hm, already? Is all the infra in place? Or does it not imply
> > multi-buffer.
> 
> with this series mvneta supports xdp multi-buff on both rx and tx sides (XDP_TX
> and ndo_xpd_xmit()) so we can remove MTU limitation.

Is there an API for programs to access the multi-buf frames?