On Wed, 11 Nov 2020 10:39:09 +0100
Sven Auhagen <sven.auha...@voleatech.de> wrote:
> On Wed, Nov 11, 2020 at 08:11:46AM +0100, Paul Menzel wrote:
> > Dear Sven,
> >
> >
> > Am 19.10.20 um 10:05 schrieb sven.auha...@voleatech.de:
> > > From: Sven Auhagen <sven.auha...@voleatech.de>
> > >
> > > Add an extack error message when the RX buffer size is too small
> > > for the frame size.
> > >
> > > Suggested-by: Maciej Fijalkowski <maciej.fijalkow...@intel.com>
> > > Reviewed-by: Maciej Fijalkowski <maciej.fijalkow...@intel.com>
> > > Acked-by: Maciej Fijalkowski <maciej.fijalkow...@intel.com>
> > > Signed-off-by: Sven Auhagen <sven.auha...@voleatech.de>
> > > ---
> > > drivers/net/ethernet/intel/igb/igb_main.c | 12 +++++++-----
> > > 1 file changed, 7 insertions(+), 5 deletions(-)
> > >
> > > diff --git a/drivers/net/ethernet/intel/igb/igb_main.c
> > > b/drivers/net/ethernet/intel/igb/igb_main.c
> > > index 0a9198037b98..088f9ddb0093 100644
> > > --- a/drivers/net/ethernet/intel/igb/igb_main.c
> > > +++ b/drivers/net/ethernet/intel/igb/igb_main.c
> > > @@ -2824,20 +2824,22 @@ static int igb_setup_tc(struct net_device *dev,
> > > enum tc_setup_type type,
> > > }
> > > }
> > > -static int igb_xdp_setup(struct net_device *dev, struct bpf_prog *prog)
> > > +static int igb_xdp_setup(struct net_device *dev, struct netdev_bpf *bpf)
> > > {
> > > int i, frame_size = dev->mtu + IGB_ETH_PKT_HDR_PAD;
> > > struct igb_adapter *adapter = netdev_priv(dev);
> > > + struct bpf_prog *prog = bpf->prog, *old_prog;
> > > bool running = netif_running(dev);
> > > - struct bpf_prog *old_prog;
> > > bool need_reset;
> > > /* verify igb ring attributes are sufficient for XDP */
> > > for (i = 0; i < adapter->num_rx_queues; i++) {
> > > struct igb_ring *ring = adapter->rx_ring[i];
> > > - if (frame_size > igb_rx_bufsz(ring))
> > > + if (frame_size > igb_rx_bufsz(ring)) {
> > > + NL_SET_ERR_MSG_MOD(bpf->extack, "The RX buffer size is
> > > too small for the frame size");
> >
> > Could you please also add both size values to the error message?
>
> Dear Paul,
>
> yes, sure.
> I will send a new series with that change.
I don't think it is possible to send this extra variable info via
extack (but the macro might have improved since last I checked).
--
Best regards,
Jesper Dangaard Brouer
MSc.CS, Principal Kernel Engineer at Red Hat
LinkedIn: http://www.linkedin.com/in/brouer
