batadv_check_claim_group(9)

📦 version 7.3.1, in nixpkgs unstable

💅 batadv_check_claim_group — the kernel API manual moment

okay so bestie, welcome to batadv_check_claim_group(9), the lil function that checks for claim group membership. yes it's a real thing, yes it's in the kernel, and yes we're gonna understand it together, no cap 🫶

✨ NAME ✨

batadv_check_claim_group — check for claim group membership 🌸

✨ SYNOPSIS ✨

int batadv_check_claim_group (struct batadv_priv *bat_priv , struct
batadv_hard_iface *primary_if , u8 *hw_src , u8 *hw_dst , struct ethhdr
*ethhdr );

literally that's the whole signature, copy it exactly, don't come for me 💅

✨ ARGUMENTS ✨

  • bat_priv — the bat priv with all the mesh interface information 👑 like, the whole vibe of the mesh lives in here.
  • primary_if — the primary interface of this batman interface 🦋
  • hw_src — the Hardware source in the ARP Header 📍
  • hw_dst — the Hardware destination in the ARP Header 🎯
  • ethhdr — pointer to the Ethernet header of the claim frame 📦

✨ DESCRIPTION ✨

so what does it actually do? it checks if it's a claim packet, and if it's on the same group. that's the assignment, and it ate 🔥

and bestie, it gets better: this function also applies the group ID of the sender if it is in the same mesh. periodt. 💫

✨ RETURN ✨

the return values are giving "pick a number, any number" but make it meaningful 🌈

  • 2 — if it is a claim packet and on the same group ✅
  • 1 — if is a claim packet from another group 👀 (yes that's the original wording bestie, i don't make the rules)
  • 0 — if it is not a claim packet 🙈

✨ SEE ALSO ✨

the friend group is HUGE, and honestly? iconic. every single one of these:

like i said. friend group. enormous. go read them all, iykyk 📚💜

ngl this whole page came from ./net/batman-adv, dated October 2026, and it's filed under batadv_check_claim_group(9). mwah, that's the sign-off bestie 💋✨🎀
📦 where this page comes from