Hi Jingjing,
<snip>
> > Subject: [PATCH v6 1/2] net/ixgbe: support multiqueue mode VMDq DCB
> > with SRIOV
> >
> > The folowing changes have been made to allow Data Centre Bridge
> > (DCB) configuration when SRIOV is enabled.
> >
> > Modify ixgbe_check_mq_mode function,
> > when SRIOV is enabled, enable mq_mode
> > ETH_MQ_RX_VMDQ_DCB and ETH_MQ_TX_VMDQ_DCB.
> >
> > Modify ixgbe_dcb_tx_hw_config function, replace the struct ixgbe_hw
> > parameter with a struct rte_eth_dev parameter and handle SRIOV
> > enabled.
> >
> > Modify ixgbe_dev_mq_rx_configure function, when SRIOV is enabled,
> > enable mq_mode ETH_MQ_RX_VMDQ_DCB.
> >
> > Modify ixgbe_configure_dcb function,
> > revise check on dev->data->nb_rx_queues.
> >
> > Signed-off-by: Rahul R Shah <rahul.r.shah at intel.com>
> > Signed-off-by: Bernard Iremonger <bernard.iremonger at intel.com>
> > Acked-by: Wenzhuo Lu <Wenzhuo.lu at intel.com>
> > ---
> > drivers/net/ixgbe/ixgbe_ethdev.c | 11 ++++++-----
> > drivers/net/ixgbe/ixgbe_rxtx.c | 35 ++++++++++++++++++++++-----------
> --
> > 2 files changed, 28 insertions(+), 18 deletions(-)
> >
> > diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c
> > b/drivers/net/ixgbe/ixgbe_ethdev.c
> > index 4ca5747..4d5ce83 100644
> > --- a/drivers/net/ixgbe/ixgbe_ethdev.c
> > +++ b/drivers/net/ixgbe/ixgbe_ethdev.c
> > @@ -1977,6 +1977,9 @@ ixgbe_check_mq_mode(struct rte_eth_dev
> *dev)
> > /* check multi-queue mode */
> > switch (dev_conf->rxmode.mq_mode) {
> > case ETH_MQ_RX_VMDQ_DCB:
> > + PMD_INIT_LOG(INFO, "ETH_MQ_RX_VMDQ_DCB
> mode supported in SRIOV");
> > + dev->data->dev_conf.rxmode.mq_mode =
> ETH_MQ_RX_VMDQ_DCB;
> This line is duplicated, mq_mode is ETH_MQ_RX_VMDQ_DCB already.
The mq_mode is assigned at this point in the other cases. This case is coded in
line with the other cases.
> and it's better to check if the nb_queue is valid.
What value is expected for nb_queue at this point?
Regards,
Bernard.
>
