llc_lookup_dgram(9)

Kernel API Manual · llc_lookup_dgram(9) · bestie edition, obviously 💅✨

💖 NAME 💖

llc_lookup_dgram — finds the dgram socket for the local sap/mac 🫶

✨ SYNOPSIS ✨

struct sock * llc_lookup_dgram (struct llc_sap *sap , const struct
llc_addr *laddr , const struct net *net );

🌸 ARGUMENTS 🌸

• sap — the SAP 💅
• laddr — address of the local LLC (MAC + SAP) 🎀
• net — the netns to look up a socket in 🌐

🦋 DESCRIPTION 🦋

okay so it searches the socket list of the SAP and finds the connection using the local mac, and local sap. If it finds it, you get a pointer for the socket found; otherwise it's NULL — no cap, that's the whole deal 😭✨

🎀 SEE ALSO 🎀

Kernel file ./net/llc/llc_sap.c is right there, plus the whole squad: llc_alloc_frame(9), llc_sap_rtn_pdu(9), llc_find_sap_trans(9), llc_exec_sap_trans_actions(9), llc_sap_next_state(9), llc_sap_state_process(9), llc_build_and_send_test_pkt(9), llc_build_and_send_xid_pkt(9), llc_sap_rcv(9), llc_sap_mcast(9) 💜

mwah 💋 this page is from ./net/llc, dated October 2026, and it's still repping llc_lookup_dgram(9) — periodt 🫶🌈