Merge tag 'batadv-net-pullrequest-20260619' of https://git.open-mesh.org/batadv

Simon Wunderlich says:

====================
Here are some batman-adv bugfixes, all by Sven Eckelmann:

- gw: don't deselect gateway with active hardif

- TTL fixes in bcast/mcast and fragmentation handling (4 patches)

- BATMAN V: prevent OGM aggregation on disabled hardif

- tp_meter: concurrency and range fixes, add cap to unacked list
  (4 patches)

- tt: fix unchecked VLAN ID in tt for local add and roam (2 patches)

- dat: check VLAN ID in the hash

- tvlv: enforce 2-byte alignment

- tvlv: avoid race of cifsnotfound handler state

* tag 'batadv-net-pullrequest-20260619' of https://git.open-mesh.org/batadv:
  batman-adv: tvlv: avoid race of cifsnotfound handler state
  batman-adv: tvlv: enforce 2-byte alignment
  batman-adv: dat: prevent false sharing between VLANs
  batman-adv: tt: track roam count per VID
  batman-adv: tt: don't merge change entries with different VIDs
  batman-adv: tp_meter: handle overlapping packets
  batman-adv: tp_meter: prevent parallel modifications of last_recv
  batman-adv: tp_meter: annotate last_recv_time access with READ/WRITE_ONCE
  batman-adv: tp_meter: restrict number of unacked list entries
  batman-adv: v: prevent OGM aggregation on disabled hardif
  batman-adv: frag: avoid underflow of TTL
  batman-adv: frag: ensure fragment is writable before modifying TTL
  batman-adv: fix (m|b)cast csum after decrementing TTL
  batman-adv: ensure bcast is writable before modifying TTL
  batman-adv: gw: don't deselect gateway with active hardif
====================

Link: https://patch.msgid.link/20260619070045.438101-1-sw@simonwunderlich.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>