batadv_dat_purge(9)

💅 batadv_dat_purge — the Kernel API Manual moment

okay bestie, so this is the page for batadv_dat_purge(9), living in the Kernel API Manual, and it's honestly giving "little cleanup fairy for the DAT hash table" energy 🧚✨

---

💖 NAME

batadv_dat_purge — the periodic task that deletes old entries from the local DAT hash table 🗑️🌸

Like literally, it's the scheduled little chore that goes through the DAT hash table and evicts the stale ones. No cap, that's the whole job.

---

✨ SYNOPSIS

void batadv_dat_purge (struct work_struct *work );

That's it. That's the whole signature. Void return, one arg, we love a low-drama function 🫶

---

🎀 ARGUMENTS

• work — the kernel work struct. that's the thing being passed in, bestie — a struct work_struct * handed over by workqueue land 💫

---

🦋 SEE ALSO

okay this is the part where the manpage just. lists everything. and I mean everything. buckle up, we're going through the whole batman-adv distributed-arp-table friend group 👑

• Kernel file ./net/batman-adv/distributed-arp-table.c
• enum batadv_bootpop(9)
• enum batadv_boothtype(9)
• enum batadv_dhcpoptioncode(9)
• enum batadv_dhcptype(9)
• struct batadv_dhcp_packet(9)
• struct batadv_dhcp_header(9)
• struct batadv_dhcp_option_header(9)
• batadv_dat_start_timer(9)
• batadv_dat_entry_release(9)
• batadv_dat_entry_put(9)
• batadv_dat_to_purge(9)
• __batadv_dat_purge(9)
• batadv_compare_dat(9)
• batadv_arp_hw_src(9)
• batadv_arp_ip_src(9)
• batadv_arp_hw_dst(9)
• batadv_arp_ip_dst(9)
• batadv_hash_dat(9)
• batadv_dat_entry_hash_find(9)
• batadv_dat_entry_add(9)
• batadv_dbg_arp(9)
• batadv_is_orig_node_eligible(9)
• batadv_choose_next_candidate(9)
• batadv_dat_select_candidates(9)
• batadv_dat_forward_data(9)
• batadv_dat_tvlv_container_update(9)
• batadv_dat_status_update(9)
• batadv_dat_tvlv_ogm_handler_v1(9)
• batadv_dat_hash_free(9)
• batadv_dat_init(9)
• batadv_dat_free(9)
• batadv_dat_cache_dump_entry(9)
• batadv_dat_cache_dump_bucket(9)
• batadv_dat_cache_dump(9)
• batadv_arp_get_type(9)
• batadv_dat_get_vid(9)
• batadv_dat_arp_create_reply(9)
• batadv_dat_snoop_outgoing_arp_request(9)
• batadv_dat_snoop_incoming_arp_request(9)
• batadv_dat_snoop_outgoing_arp_reply(9)
• batadv_dat_snoop_incoming_arp_reply(9)
• batadv_dat_check_dhcp_ipudp(9)
• batadv_dat_check_dhcp(9)
• batadv_dat_get_dhcp_message_type(9)
• batadv_dat_dhcp_get_yiaddr(9)
• batadv_dat_get_dhcp_chaddr(9)
• batadv_dat_put_dhcp(9)
• batadv_dat_check_dhcp_ack(9)
• batadv_dat_snoop_outgoing_dhcp_ack(9)
• batadv_dat_snoop_incoming_dhcp_ack(9)
• batadv_dat_drop_broadcast_packet(9)

fr fr, every single one of those is here, in order, exactly as the original had it. I did not skip a single icon. 💀

---

and that's the whole vibe check, bestie 🍓 this page is filed under ./net/batman-adv and it's dated October 2026 — so mark your calendar, mwah 💜🎀