STRUCT IWL_MCC_UPDATE_RESP_V4(9)

💅 NAME 💅

struct iwl_mcc_update_resp_v4 — okay so this is the response to MCC_UPDATE_CMD, bestie. It's carrying the new channel control profile map (if it changed!) plus the new MCC, aka the mobile country code. And heads up: the new MCC might literally not be the one you asked for in MCC_UPDATE_CMD. Plot twist, we know 😭

This page lives in the Kernel API Manual, btw — welcome to the group chat 💖

✨ SYNOPSIS ✨

struct iwl_mcc_update_resp_v4 {
    __le32 status;
    __le16 mcc;
    __le16 cap;
    __le16 time;
    __le16 geo_info;
    u8 source_id;
    u8 reserved[3];
    __le32 n_channels;
    __le32 channels[];
};

Look at her. Iconic. Not a single field out of place 👑

🎀 Members 🎀

• status — the vibe check on the whole operation, see enum iwl_mcc_update_status 💫
• mcc — the new applied MCC, the main character of this struct fr fr
• cap — capabilities for all channels which matches the MCC, slay
• time — time elapsed from the MCC test start, in units of 30 seconds ⏱️ (yes, thirty. no cap.)
• geo_info — geographic specific profile information, see enum iwl_geo_information 🌍
• source_id — the MCC source, see iwl_mcc_source 👀
• reserved — for four bytes alignment. She's just there for the padding, we respect her 🫶
• n_channels — number of channels in channels_data
• channels — channel control data map, DWORD for each channel. Only the first 16bits are used, lowkey important, don't forget 💀

🦋 SEE ALSO 🦋

All of these are from the Kernel file ./drivers/net/wireless/intel/iwlwifi/fw/api/nvm-reg.h, and honestly? The whole squad showed up:

• enum iwl_regulatory_and_nvm_subcmd_ids(9)
• enum iwl_nvm_access_op(9)
• enum iwl_nvm_access_target(9)
• enum iwl_nvm_section_type(9)
• struct iwl_nvm_access_cmd(9)
• struct iwl_nvm_access_resp(9)
• enum iwl_nvm_info_general_flags(9)
• struct iwl_nvm_get_info_general(9)
• enum iwl_nvm_mac_sku_flags(9)
• struct iwl_nvm_get_info_sku(9)
• struct iwl_nvm_get_info_phy(9)
• struct iwl_nvm_get_info_regulatory_v1(9)
• struct iwl_nvm_get_info_regulatory_v2(9)
• struct iwl_nvm_get_info_rsp_v3(9)
• struct iwl_nvm_get_info_rsp_v4(9)
• struct iwl_nvm_get_info_regulatory(9)
• struct iwl_nvm_get_info_rsp(9)
• struct iwl_nvm_access_complete_cmd(9)
• struct iwl_mcc_update_cmd(9)
• enum iwl_geo_information(9)
• struct iwl_mcc_update_resp_v3(9)
• struct iwl_mcc_update_resp_v8(9)
• struct iwl_mcc_chub_notif(9)
• struct iwl_tas_config_cmd_common(9)
• struct iwl_tas_config_cmd_v3(9)
• enum iwl_tas_uhb_allowed_flags(9)
• struct iwl_tas_config_cmd_v4(9)
• enum bios_source(9)
• struct iwl_bios_config_hdr(9)
• struct iwl_lari_config_extension_cmd(9)
• struct bios_value_u32(9)
• struct iwl_tas_config_cmd(9)
• enum iwl_lari_config_masks(9)
• struct iwl_lari_config_change_cmd_v1(9)
• struct iwl_lari_config_change_cmd_v6(9)
• struct iwl_lari_config_change_cmd_v8(9)
• struct iwl_lari_config_change_cmd(9)
• struct iwl_pnvm_init_complete_ntfy(9)
• struct iwl_mcc_allowed_ap_type_cmd_v1(9)
• struct iwl_mcc_allowed_ap_type_cmd(9)

That's the whole page, bestie, you ate that 🍓 Go forth and read your reg domain structs with confidence 💜

Source: ./drivers/net/wireless/intel/i... · October 2026 · struct iwl_...date_resp_v4(9) — mwah, see u in the man pages ✨🧚‍♀️