netdev - Re: [PATCH 2/2 net-next v2] igb: refactor XDP registration

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Date:   Fri, 14 Jan 2022 17:51:34 +0100
From:   Corinna Vinschen <vinschen@...hat.com>
To:     Denis Kirjanov <dkirjanov@...e.de>
Cc:     intel-wired-lan@...osl.org, netdev@...r.kernel.org,
        Vinicius Costa Gomes <vinicius.gomes@...el.com>,
        Lennert Buytenhek <buytenh@...tstofly.org>,
        Alexander Lobakin <alexandr.lobakin@...el.com>
Subject: Re: [PATCH 2/2 net-next v2] igb: refactor XDP registration

On Jan 14 17:13, Denis Kirjanov wrote:
> 1/14/22 14:43, Corinna Vinschen пишет:
> > On changing the RX ring parameters igb uses a hack to avoid a warning
> > when calling xdp_rxq_info_reg via igb_setup_rx_resources.  It just
> > clears the struct xdp_rxq_info content.
> > 
> > Change this to unregister if we're already registered instead.  ALign
> > code to the igc code.
> > 
> > Fixes: 9cbc948b5a20c ("igb: add XDP support")
> > Signed-off-by: Corinna Vinschen <vinschen@...hat.com>
> > ---
> >   drivers/net/ethernet/intel/igb/igb_ethtool.c |  4 ----
> >   drivers/net/ethernet/intel/igb/igb_main.c    | 15 +++++++++++----
> >   2 files changed, 11 insertions(+), 8 deletions(-)
> > [...]
> > +	if (res < 0) {
> > +		netdev_err(rx_ring->netdev,
> > +			   "Failed to register xdp_rxq index %u\n",
> > +			   rx_ring->queue_index);
> nit: would be nice to have the same printing functions like dev_err()
> in the error case

Thanks, I pushed a v3.


Corinna