netdev - Re: [PATCH RFC v2 26/33] i40e: add XDP frame size to driver

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Date:   Tue, 14 Apr 2020 12:16:33 +0200
From:   Jesper Dangaard Brouer <brouer@...hat.com>
To:     David Miller <davem@...emloft.net>
Cc:     sameehj@...zon.com, intel-wired-lan@...ts.osuosl.org,
        jeffrey.t.kirsher@...el.com, alexander.duyck@...il.com,
        netdev@...r.kernel.org, bpf@...r.kernel.org, zorik@...zon.com,
        akiyano@...zon.com, gtzalik@...zon.com, toke@...hat.com,
        borkmann@...earbox.net, alexei.starovoitov@...il.com,
        john.fastabend@...il.com, dsahern@...il.com,
        willemdebruijn.kernel@...il.com, ilias.apalodimas@...aro.org,
        lorenzo@...nel.org, saeedm@...lanox.com, brouer@...hat.com
Subject: Re: [PATCH RFC v2 26/33] i40e: add XDP frame size to driver

On Wed, 08 Apr 2020 14:48:45 -0700 (PDT)
David Miller <davem@...emloft.net> wrote:

> From: Jesper Dangaard Brouer <brouer@...hat.com>
> Date: Wed, 08 Apr 2020 13:52:46 +0200
> 
> > diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
> > index b8496037ef7f..1fb6b1004dcb 100644
> > --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c
> > +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
> > @@ -1507,6 +1507,23 @@ static inline unsigned int i40e_rx_offset(struct i40e_ring *rx_ring)
> >  	return ring_uses_build_skb(rx_ring) ? I40E_SKB_PAD : 0;
> >  }
> >  
> > +static inline unsigned int i40e_rx_frame_truesize(struct i40e_ring *rx_ring,
> > +						  unsigned int size)  
> 
> Please don't use inline in foo.c files.  I noticed you properly elided this in
> the ice changes so I wonder why it showed up here :-)

Yes, I know I should not do this.  It got here by copy-paste accident,
as I first had ixgbe function in a header file, and later I decided to
move this into the ixgbe C-file, but I had already copy-pasted this
into i40e driver ;-)

-- 
Best regards,
  Jesper Dangaard Brouer
  MSc.CS, Principal Kernel Engineer at Red Hat
  LinkedIn: http://www.linkedin.com/in/brouer