llc_build_and_send_test_pkt(9)

okay so bestie, welcome to the llc_build_and_send_test_pkt(9) page from the Kernel API Manual — this is the TEST-interface moment for upper layers, and it's giving very specific packet-bureaucracy energy 💅✨

🎀 NAME 🎀

llc_build_and_send_test_pkt — TEST interface for upper layers 🫶

✨ SYNOPSIS ✨

void llc_build_and_send_test_pkt (struct llc_sap *sap , struct sk_buff
*skb , u8 *dmac , u8 dsap );

💅 ARGUMENTS 💅

• sap — sap to use 🌸
• skb — packet to send 📦
• dmac — destination mac address 🎯
• dsap — destination sap ⭐

🦋 DESCRIPTION 🦋

So when the upper layer wants to send a TEST pdu, this function is literally the one getting called 👑.

Return vibes: 0 for success ✅, and 1 otherwise 💀. No cap.

🌈 SEE ALSO 🌈

Kernel file: ./net/llc/llc_sap.c — start there, iykyk 🧚

• 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_xid_pkt(9)
• llc_sap_rcv(9)
• llc_lookup_dgram(9)
• llc_sap_mcast(9)

signing off from source/version ./net/llc, dated October 2026 — mwah 💋✨