[dpdk-dev] [PATCH] net/ixgbe: fix default MAC setting
Igor Ryzhov
iryzhov at nfware.com
Tue May 2 15:32:55 CEST 2017
Hello Wenzhuo,
How about also delete meaningless "ixgbe_remove_rar(dev, 0);"?
Best regards,
Igor
On Tue, May 2, 2017 at 11:34 AM, Wenzhuo Lu <wenzhuo.lu at intel.com> wrote:
> Pool 0 is not PF, it's VF 0. So the MAC is set for VF 0
> but not PF.
> The code introduced a weird issue. In the scenario PF + VF,
> when only starting PF, the default PF MAC address is working.
> But after starting a VF, the default PF MAC address becomes
> the VF's address.
>
> Use the pool which is not occupied by VFs for PF to fix it.
>
> Fixes: 8164fe82846b ("ixgbe: add default mac address modifier")
> Cc: stable at dpdk.org
>
> Signed-off-by: Wenzhuo Lu <wenzhuo.lu at intel.com>
> ---
> drivers/net/ixgbe/ixgbe_ethdev.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_
> ethdev.c
> index bbae4f9..9ddd685 100644
> --- a/drivers/net/ixgbe/ixgbe_ethdev.c
> +++ b/drivers/net/ixgbe/ixgbe_ethdev.c
> @@ -4658,9 +4658,11 @@ static int ixgbevf_dev_xstats_get_names(__rte_unused
> struct rte_eth_dev *dev,
> static void
> ixgbe_set_default_mac_addr(struct rte_eth_dev *dev, struct ether_addr
> *addr)
> {
> + struct rte_pci_device *pci_dev = IXGBE_DEV_TO_PCI(dev);
> +
> ixgbe_remove_rar(dev, 0);
>
> - ixgbe_add_rar(dev, addr, 0, 0);
> + ixgbe_add_rar(dev, addr, 0, pci_dev->max_vfs);
> }
>
> static bool
> --
> 1.9.3
>
>
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