[dpdk-dev] [PATCH 06/14] fm10k: add Vector RX function

Chen, Jing D jing.d.chen at intel.com
Wed Sep 30 15:23:52 CEST 2015


Hi, Bruce,

> -----Original Message-----
> From: Richardson, Bruce
> Sent: Tuesday, September 29, 2015 10:23 PM
> To: Ananyev, Konstantin
> Cc: Chen, Jing D; dev at dpdk.org
> Subject: Re: [dpdk-dev] [PATCH 06/14] fm10k: add Vector RX function
> 
> On Tue, Sep 29, 2015 at 01:14:26PM +0000, Ananyev, Konstantin wrote:
> >
> >
> > > -----Original Message-----
> > > From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Chen Jing
> > > D(Mark)
> > > Sent: Tuesday, September 29, 2015 2:04 PM
> > > To: dev at dpdk.org
> > > Subject: [dpdk-dev] [PATCH 06/14] fm10k: add Vector RX function
> > >
> > > From: "Chen Jing D(Mark)" <jing.d.chen at intel.com>
> > >
> > > Add func fm10k_recv_raw_pkts_vec to parse raw packets, in which
> > > includes possible chained packets.
> > > Add func fm10k_recv_pkts_vec to receive single mbuf packet.
> > >
> > > Signed-off-by: Chen Jing D(Mark) <jing.d.chen at intel.com>
> > > ---
> > >  drivers/net/fm10k/fm10k.h          |    1 +
> > >  drivers/net/fm10k/fm10k_rxtx_vec.c |  213
> > > ++++++++++++++++++++++++++++++++++++
> > >  2 files changed, 214 insertions(+), 0 deletions(-)
> > >
> > > diff --git a/drivers/net/fm10k/fm10k.h b/drivers/net/fm10k/fm10k.h
> > > index d924cae..285254f 100644
> > > --- a/drivers/net/fm10k/fm10k.h
> > > +++ b/drivers/net/fm10k/fm10k.h
> > > @@ -327,4 +327,5 @@ uint16_t fm10k_xmit_pkts(void *tx_queue, struct
> rte_mbuf **tx_pkts,
> > >  	uint16_t nb_pkts);
> > >
> > >  int fm10k_rxq_vec_setup(struct fm10k_rx_queue *rxq);
> > > +uint16_t fm10k_recv_pkts_vec(void *, struct rte_mbuf **, uint16_t);
> > >  #endif
> > > diff --git a/drivers/net/fm10k/fm10k_rxtx_vec.c
> > > b/drivers/net/fm10k/fm10k_rxtx_vec.c
> > > index 581a309..63b34b5 100644
> > > --- a/drivers/net/fm10k/fm10k_rxtx_vec.c
> > > +++ b/drivers/net/fm10k/fm10k_rxtx_vec.c
> > > @@ -281,3 +281,216 @@ fm10k_rxq_rearm(struct fm10k_rx_queue *rxq)
> > >  	/* Update the tail pointer on the NIC */
> > >  	FM10K_PCI_REG_WRITE(rxq->tail_ptr, rx_id);  }
> > > +
> > > +/*
> > > + * vPMD receive routine, now only accept (nb_pkts ==
> > > +RTE_IXGBE_VPMD_RX_BURST)
> > > + * in one loop
> > > + *
> > > + * Notice:
> > > + * - nb_pkts < RTE_IXGBE_VPMD_RX_BURST, just return no packet
> 
> Why this limitation? I believe this limitation has already been removed for
> ixgbe, so the same solution should be applicable here
> 
> /Bruce

Thanks! I'll change it accordingly.  


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