llc_sap_open(9)

💅 llc_sap_open(9) — Kernel API Manual ✨

🌸 NAME 🌸

llc_sap_open — open interface to the upper layers. 💖

🎀 SYNOPSIS 🎀

struct llc_sap * llc_sap_open (unsigned char lsap , int (*func)(struct
       sk_buff *skb, struct net_device *dev, struct packet_type *pt, struct
       net_device *orig_dev) );

🦋 ARGUMENTS 🦋

• lsap — SAP number. 💅
• func — rcv func for datalink protos. 🫶

✨ DESCRIPTION ✨

Okay so bestie, this is literally the interface function to upper layer. 🌈 Each one who wants to get a SAP (for example NetBEUI) should call this function. No cap.

It returns the opened SAP for success, and NULL for failure — that’s the whole vibe check. 💖

🦋 SEE ALSO 🦋

• Kernel file ./net/llc/llc_core.c ✨ — plus llc_sap_alloc(9), llc_sap_find(9), llc_sap_close(9) 👀

Source/version: ./net/llc · date: October 2026 · page: llc_sap_open(9) — bye bestie, slay responsibly 💋🎀