[PATCH] net/mlx5: align PF and VF/SF MAC addresses handling

[Raslan Darawsheh]

Hi,


On 16/05/2025 10:10 AM, Gavin Li wrote:
> In the mlx5_dev_spawn function, the Virtual Function (VF) synchronizes MAC
> addresses from the kernel using netlink. It queries the netdev-configured
> MACs and populates the list in the PMD device data, including multicast
> MAC addresses. These addresses are later used for control flow creation,
> allowing traffic for the listed MACs to be received. However, the Physical
> Function (PF) does not synchronize with the kernel and thus does not add
> any multicast MAC address rules when enabling traffic. This discrepancy
> causes the IFF_ALLMULTI ioctl code to malfunction, as it fails to disable
> all multicast traffic, leaving the VF still able to see it.
> 
> To align PF and VF behavior, only unicast MAC address flows should be
> added.
> 
> Fixes: 272733b5ebfd ("net/mlx5: use flow to enable unicast traffic")
> Cc: stable at dpdk.org
> Signed-off-by: Gavin Li <gavinl at nvidia.com>
> ---

Patch applied to next-net-mlx,

-- 
Kindest regards
Raslan Darawsheh