Re: [PATCH rdma-next 7/9] IB/ipoib: Use debug prints instead of warnings in RNR WC status

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On Wed, Dec 28, 2016 at 02:15:29PM +0200, Yuval Shaia wrote:
> On Tue, Dec 27, 2016 at 03:39:09PM +0200, Leon Romanovsky wrote:
> > From: Feras Daoud <ferasda@xxxxxxxxxxxx>
> >
> > If a receive request has not been posted to the work queue, the incoming
> > message is rejected and the peer will receive a receiver-not-ready (RNR)
> > error. In IPoIB, IB_WC_RNR_RETRY_EXC_ERR error is part of the life cycle
> > therefore ipoib_cm_handle_tx_wc function will print to debug instead
> > of warnings.
> >
> > Signed-off-by: Feras Daoud <ferasda@xxxxxxxxxxxx>
> > Signed-off-by: Erez Shitrit <erezsh@xxxxxxxxxxxx>
> > Signed-off-by: Leon Romanovsky <leon@xxxxxxxxxx>
> > ---
> >  drivers/infiniband/ulp/ipoib/ipoib_cm.c | 9 ++++++---
> >  1 file changed, 6 insertions(+), 3 deletions(-)
> >
> > diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
> > index a720d2d..b6444b2 100644
> > --- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c
> > +++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
> > @@ -820,9 +820,12 @@ void ipoib_cm_handle_tx_wc(struct net_device *dev, struct ib_wc *wc)
> >  	    wc->status != IB_WC_WR_FLUSH_ERR) {
> >  		struct ipoib_neigh *neigh;
> >
> > -		ipoib_dbg(priv, "failed cm send event "
> > -			   "(status=%d, wrid=%d vend_err %x)\n",
> > -			   wc->status, wr_id, wc->vendor_err);
> > +		if (wc->status != IB_WC_RNR_RETRY_EXC_ERR)
> > +			ipoib_warn(priv, "%s: failed cm send event (status=%d, wrid=%d vend_err %x)\n",
> > +				   __func__, wc->status, wr_id, wc->vendor_err);
>
> Do we really need function-name to be printed here?

You are right,
Sorry, I missed it in review and will respin without __func__.

>
> > +		else
> > +			ipoib_dbg(priv, "%s: failed cm send event (status=%d, wrid=%d vend_err %x)\n",
> > +				  __func__, wc->status, wr_id, wc->vendor_err);
> >
> >  		spin_lock_irqsave(&priv->lock, flags);
> >  		neigh = tx->neigh;
> > --
> > 2.10.2
> >
> > --
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