batadv_mcast...w_push_dests(9)

📦 version 7.3.1, in nixpkgs unstable

💖 batadv_mcast_forw_push_dests — the Kernel API Manual moment 🎀

okay so bestie, you found it — the batadv_mcast...w_push_dests(9) page, straight out of the Kernel API Manual. this is the one that pushes originator addresses onto an skb and honestly? it's giving quiet-but-essential. let's get into it 💅

✨ NAME ✨

batadv_mcast_forw_push_dests — push originator addresses onto an skb. that's the whole vibe, no cap 🦋

🌸 SYNOPSIS 🌸

int batadv_mcast_forw_push_dests (struct batadv_priv *bat_priv , struct
sk_buff *skb , unsigned short vid , int is_routable , int *count ,
unsigned short *tvlv_len );

like, look at that signature. it ate, honestly 🔥

🎀 ARGUMENTS 🎀

  • bat_priv — the bat priv with all the mesh interface information. it's literally the main character here 👑
  • skb — the skb we're pushing the destination addresses onto. get her, she's getting new content 🫶
  • vid — the vlan identifier. small but iconic 💜
  • is_routable — indicates whether the destination is routable. yes/no energy ✨
  • count — the number of originators the multicast packet needs to be sent to. counting besties 💖
  • tvlv_len — stores the amount of currently pushed TVLV bytes. keeping track, ngl 🙈

🦋 DESCRIPTION 🦋

so what it does is: push the MAC addresses of all originators which have indicated interest in this multicast packet onto the given skb. like, every originator who was like "yes i want this one" gets their MAC address yeeted onto that skb. obsessed honestly 😭💕

⭐ RETURN ⭐

  • -ENOMEM if there is not enough skb headroom available. not enough room = not the moment 💀
  • otherwise, on success, 0. slay 🎉

🌈 SEE ALSO 🌈

first up, the kernel file:

  • Kernel file ./net/batman-adv/multicast_forw.c

and the whole friend group — every single one, no skipping 👑:

that's the whole page, bestie, nothing skipped, nothing dropped 💅

sign-off time: this one lives in ./net/batman-adv and it's dated October 2026 — so yeah, future-dated icon behavior fr fr 🧚‍♀️⭐ see you in the next manpage, mwah 💖

📦 where this page comes from