[PATCH net-next v2] net: ti: icssg-prueth: Add HSR multicast FDB port membership management

[patchwork-bot+netdevbpf at kernel.org]

Hello:

This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba at kernel.org>:

On Wed, 11 Mar 2026 13:59:23 +0530 you wrote:
> In HSR offload mode, multicast addresses can be added via HSR master
> (hsr0) or directly to slave ports (eth1/eth2). The FDB must track port
> membership: P0 (0x1) for HSR master, P1 (0x2) for slave port 1, and P2
> (0x4) for slave port 2. When the same address is added from multiple
> paths, memberships must accumulate.
> 
> Implement a hybrid approach using __dev_mc_sync() callbacks to track
> basic add/delete operations, checking netdev_hw_addr->synced to
> distinguish HSR-synced addresses from direct additions. Post-process
> to handle overlapping memberships by checking refcount:
> - refcount=2 with synced=1: HSR only (P0)
> - refcount>=3 with synced=1: HSR + direct (P0|P1/P2)
> - synced=0 with P0 set: HSR removed, clean up orphaned P0
> 
> [...]

Here is the summary with links:
  - [net-next,v2] net: ti: icssg-prueth: Add HSR multicast FDB port membership management
    https://git.kernel.org/netdev/net-next/c/45339c237c6a

You are awesome, thank you!
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