[dpdk-dev] [PATCH] ixgbe: support X540 VF

[Stephen Hemminger]

On Thu, 11 Dec 2014 00:23:24 +0100
Thomas Monjalon <thomas.monjalon at 6wind.com> wrote:

> 2014-12-09 08:37, Stephen Hemminger:
> > Add missing setup for X540 MAC type when setting up VF.
> > Additional check exists in Linux driver but not in DPDK.
> > 
> > Signed-off-yb: Bill Hong <bhong at brocade.com> 
> > Signed-off-by: Stephen Hemminger <shemming at brocade.com>
> > 
> > --- a/lib/librte_pmd_ixgbe/ixgbe_rxtx.c	2014-12-08 09:26:18.150170081 -0800
> > +++ b/lib/librte_pmd_ixgbe/ixgbe_rxtx.c	2014-12-08 09:26:18.150170081 -0800
> > @@ -1911,7 +1911,8 @@ ixgbe_dev_tx_queue_setup(struct rte_eth_
> >  	/*
> >  	 * Modification to set VFTDT for virtual function if vf is detected
> >  	 */
> > -	if (hw->mac.type == ixgbe_mac_82599_vf)
> > +	if (hw->mac.type == ixgbe_mac_82599_vf ||
> > +	    hw->mac.type == ixgbe_mac_X540_vf)
> 
> What about X550? Should it be listed there?
> 
> >  		txq->tdt_reg_addr = IXGBE_PCI_REG_ADDR(hw, IXGBE_VFTDT(queue_idx));
> >  	else
> >  		txq->tdt_reg_addr = IXGBE_PCI_REG_ADDR(hw, IXGBE_TDT(txq->reg_idx));
> > @@ -2198,7 +2199,8 @@ ixgbe_dev_rx_queue_setup(struct rte_eth_
> >  	/*
> >  	 * Modified to setup VFRDT for Virtual Function
> >  	 */
> > -	if (hw->mac.type == ixgbe_mac_82599_vf) {
> > +	if (hw->mac.type == ixgbe_mac_82599_vf ||
> > +	    hw->mac.type == ixgbe_mac_X540_vf) {
> >  		rxq->rdt_reg_addr =
> >  			IXGBE_PCI_REG_ADDR(hw, IXGBE_VFRDT(queue_idx));
> >  		rxq->rdh_reg_addr =
> 
> It appears to be a fix which is candidate for 1.8.0.
> 
> Thanks

Not sure, we didnt have X550 to test, and code for X550 is not in upstream
Linux kernel driver.