[PATCH net-next v3 3/3] net: ti: icssg-prueth: Add Support for Multicast filtering with VLAN in HSR mode

[Roger Quadros]

On 03/01/2025 11:20, MD Danish Anwar wrote:
> Add multicast filtering support for VLAN interfaces in HSR offload mode
> for ICSSG driver.
> 
> The driver calls vlan_for_each() API on the hsr device's ndev to get the
> list of available vlans for the hsr device. The driver then sync mc addr of
> vlan interface with a locally mainatined list emac->vlan_mcast_list[vid]
> using __hw_addr_sync_multiple() API.
> 
> The driver then calls the sync / unsync callbacks.
> 
> In the sync / unsync call back, driver checks if the vdev's real dev is
> hsr device or not. If the real dev is hsr device, driver gets the per
> port device using hsr_get_port_ndev() and then driver passes appropriate
> vid to FDB helper functions.
> 
> This commit makes below changes in the hsr files.
> - Move enum hsr_port_type from net/hsr/hsr_main.h to include/linux/if_hsr.h
>   so that the enum can be accessed by drivers using hsr.
> - Create hsr_get_port_ndev() API that can be used to get the ndev
>   pointer to the slave port from ndev pointer to the hsr net device.
> - Export hsr_get_port_ndev() API so that the API can be accessed by
>   drivers using hsr.
> 
> Signed-off-by: MD Danish Anwar <danishanwar at ti.com>
> ---
>  drivers/net/ethernet/ti/icssg/icssg_prueth.c | 83 +++++++++++++++-----
>  drivers/net/ethernet/ti/icssg/icssg_prueth.h |  2 +
>  include/linux/if_hsr.h                       | 18 +++++
>  net/hsr/hsr_device.c                         | 13 +++
>  net/hsr/hsr_main.h                           |  9 ---

Should we be splitting hsr core changes into separate patch first,
then followed by a patch with icssg driver changes?

>  5 files changed, 97 insertions(+), 28 deletions(-)

-- 
cheers,
-roger