HOST COMMAND SECTION(9)

💅 Host command section(9) 💅

okay so bestie, we're in the Kernel API Manual, and this page is literally about the host command section. A host command is a command issued by the upper layer to the fw. That's the core lore. 💖

here's where it gets spicy: there are several versions of fw that have several APIs. The transport layer is completely agnostic to these differences — it does not care, no cap. The transport does provide helper functionality (i.e. SYNC / ASYNC mode), though. 🦋

✨ SEE ALSO ✨

• Kernel file ./drivers/net/wireless/intel/iwlwifi/fw/api/cmdhdr.h — the struct besties are struct iwl_cmd_header(9), struct iwl_cmd_header_wide(9), struct iwl_calib_res_notif_phy_db(9), struct iwl_phy_db_cmd(9), and struct iwl_cmd_response(9). 🫶

xoxo, your kernel bestie 💜 — source/version ./drivers/net/wireless/intel/i..., dated October 2026 🌸