[dpdk-dev] [PATCH v2] ixgbe: fix multi-process support

Thomas Monjalon thomas.monjalon at 6wind.com
Wed Dec 17 01:02:13 CET 2014


2014-12-11 17:07, Bruce Richardson:
> On Thu, Dec 11, 2014 at 04:58:42PM +0000, Pattan, Reshma wrote:
> > From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Bruce Richardson
> > > 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 at intel.com>
> > > 
> > > ----
> > > 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 at intel.com>
> > 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?

Applied with whitespace changes.

Thanks
-- 
Thomas


More information about the dev mailing list