Re: [PATCH v2] ixgbe: fix multi-process support

[Bruce Richardson <bruce.richardson-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>]

On Thu, Dec 11, 2014 at 04:58:42PM +0000, Pattan, Reshma wrote:
> 
> 
> > -----Original Message-----
> > From: dev [mailto:dev-bounces-VfR2kkLFssw@public.gmane.org] On Behalf Of Bruce Richardson
> > Sent: Friday, December 5, 2014 1:46 PM
> > To: dev-VfR2kkLFssw@public.gmane.org
> > Subject: [dpdk-dev] [PATCH v2] ixgbe: fix multi-process support
> > 
> > When using multiple processes, the TX function used in all processes should be
> > the same, otherwise the secondary processes cannot transmit more than tx-
> > ring-size - 1 packets.
> > To achieve this, we extract out the code to select the ixgbe TX function to be
> > used into a separate function inside the ixgbe driver, and call that from a
> > secondary process when it is attaching to an already-configured NIC.
> > 
> > Testing with symmetric MP app shows that we are able to RX and TX from both
> > primary and secondary processes once this patch is applied.
> > 
> > Signed-off-by: Bruce Richardson <bruce.richardson-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
> > 
> > ----
> > V2 Changes:
> > * Moved check for primary/secondary process into set_tx_function instead
> >   of ixgbe_txq_vec_setup, which reduces scope of diff.
> > * Added/cleaned up some code comments for this change
> > ---
> Acked-by: Reshma Pattan<reshma.pattan-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
> With comment " checkpatch shows whitespace errors which got copied from old code"

Thomas, can you fix the whitespace problems when you apply, or do you want a V3?

/Bruce