batadv_dat_dhcp_get_yiaddr(9)

✨ NAME ✨

batadv_dat_dhcp_get_yiaddr — bestie, this is the little function that gets the yiaddr out of a DHCP packet 💅 (yes, from the Kernel API Manual, we're reading kernel manpages now, look at us go 🎀)

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🦋 SYNOPSIS 🦋

bool batadv_dat_dhcp_get_yiaddr (struct sk_buff *skb , __be32 *buf );

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🌸 ARGUMENTS 🌸

• skb — the DHCP packet we're gonna parse 🧚 the packet itself, the whole vibe, the main character.
• buf — a buffer where the yiaddr gets stored, like handing over a little empty jar and hoping it comes back full 🍓

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💜 DESCRIPTION 💜

Okay so real talk: this function does not check your packet for you, no cap. The caller needs to ensure that the given skb is a valid DHCP packet and that the skb transport header is set correctly. That's on you, bestie, not on it 🙈

fr fr, if you hand it a sketchy packet that isn't valid DHCP, or the transport header is a mess, that's a you problem — this function is just out here trusting you 💀

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⭐ RETURN ⭐

True on success, false otherwise. That's it, that's the whole vibe check 👑

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🌈 SEE ALSO 🌈

The kernel file this lives in is ./net/batman-adv/distributed-arp-table.c, and here's the whole extended friend group — go say hi, they're all iconic 🫶

• 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_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_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)

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Anyway bestie, that's the whole page 💖 this one's living in ./net/batman-adv, and the version stamp on it says October 2026 — so yeah, she's from the future, we stan a timeless icon ✨ slay, go parse some packets, ily 🎀