cfg80211_tx_mgmt_expired(9)

✨ NAME ✨

cfg80211_tx_mgmt_expired — the tx_mgmt duration has expired, bestie 💅

So like, this is from the Kernel API Manual (cfg80211_tx_mgmt_expired(9)), and honestly the name tells you everything: the management-frame transmission window has run out. Time's up, no cap. ⏰

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🌸 SYNOPSIS 🌸

void cfg80211_tx_mgmt_expired (struct wireless_dev *wdev , u64 cookie ,
struct ieee80211_channel *chan , gfp_t gfp );

It returns void — so she does her thing and gives you absolutely nothing back, and that's iconic of her. 🫶

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🎀 ARGUMENTS 🎀

• wdev — the wireless device, the main character in this whole situation 👑
• cookie — the requested cookie 🍪 (yes that's literally the type, u64, you're welcome)
• chan — the current channel, straight from the tx_mgmt request 📡
• gfp — the allocation flags, the little detail that decides how the memory gets grabbed ✨

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okay so that's the setup, and there's more coming so don't go anywhere… 🦋

✨ SEE ALSO ✨

okay so this is the part where the page goes absolutely feral and lists literally everything 💀 it's the whole "go read these too bestie" section, and it is long. but every single one is here, promise, nothing skipped, nothing merged. buckle up 🎀

• the origin story 🌱 — Kernel file ./include/net/cfg80211.h (yes that's the actual whole path, she's built different), followed by Introduction(9) and Device registration(9) because every good journey starts at the front door.
• channels, rates & the basics 📡 — enum ieee80211_channel_flags(9), struct ieee80211_channel(9), enum ieee80211_rate_flags(9), enum ieee80211_bss_type(9), enum ieee80211_privacy(9), struct ieee80211_rate(9).
• the capability era (ht → vht → he → eht → uhr, she contains multitudes) 👑 — struct ieee80211_he_obss_pd(9), struct cfg80211_he_bss_color(9), struct ieee80211_sta_ht_cap(9), struct ieee80211_sta_vht_cap(9), struct ieee80211_sta_he_cap(9), struct ieee80211_eht_mcs_nss_supp(9), struct ieee80211_sta_eht_cap(9), struct ieee80211_sta_uhr_cap(9).
• bands & iftype data, the whole squad 🌈 — struct ieee80211_sband_iftype_data(9), enum ieee80211_edmg_bw_config(9), struct ieee80211_edmg(9), struct ieee80211_sta_s1g_cap(9), struct ieee80211_supported_band(9), _ieee80211_set_sband_iftype_data(9), ieee80211_set_sband_iftype_data(9), for_each_sband_iftype_data(9), ieee80211_get_sband_iftype_data(9), ieee80211_get_he_iftype_cap(9), ieee80211_get_he_6ghz_capa(9), ieee80211_get_eht_iftype_cap(9), ieee80211_get_uhr_iftype_cap(9), wiphy_read_of_freq_limits(9).
• Actions and configuration(9) 🔧 — this one's a whole section, and its friend list is giving main character energy:
  • vif & keys & chandef starters — struct vif_params(9), struct key_params(9), struct cfg80211_chan_def(9), struct cfg80211_tid_cfg(9), struct cfg80211_tid_config(9), struct cfg80211_fils_aad(9), struct cfg80211_set_hw_timestamp(9).
  • the chandef fan club (no cap, she's thorough) 💅 — cfg80211_get_chandef_type(9), cfg80211_chandef_create(9), cfg80211_chandef_identical(9), cfg80211_chandef_is_edmg(9), cfg80211_chandef_is_s1g(9), cfg80211_chandef_compatible(9), nl80211_chan_width_to_mhz(9), cfg80211_chandef_get_width(9), cfg80211_chandef_valid(9), cfg80211_chandef_usable(9), cfg80211_chandef_dfs_required(9), cfg80211_chandef_dfs_usable(9), cfg80211_chandef_dfs_cac_time(9), cfg80211_chandef_primary(9), cfg80211_chandef_npca_valid(9), cfg80211_chandef_add_npca(9), cfg80211_chandef_add_dbe(9), nl80211_send_chandef(9), ieee80211_chandef_max_power(9), cfg80211_chandef_s1g_pri_width(9), cfg80211_any_usable_channels(9).
  • survey & crypto & the beacon-adjacent girlies 🎀 — enum survey_info_flags(9), struct survey_info(9), struct cfg80211_crypto_settings(9), struct cfg80211_mbssid_config(9), struct cfg80211_mbssid_elems(9), struct cfg80211_rnr_elems(9), struct cfg80211_beacon_data(9), struct cfg80211_acl_data(9), struct cfg80211_fils_discovery(9), struct cfg80211_unsol_bcast_probe_resp(9), struct cfg80211_s1g_short_beacon(9), struct cfg80211_ap_settings(9), struct cfg80211_ap_update(9), struct cfg80211_csa_settings(9), struct cfg80211_color_change_settings(9), struct iface_combination_params(9).
  • stations & rates & link stuff 🛰️ — enum station_parameters_apply_mask(9), struct sta_txpwr(9), struct link_station_parameters(9), struct link_station_del_parameters(9), struct cfg80211_ttlm_params(9), struct station_parameters(9), struct station_del_parameters(9), enum cfg80211_station_type(9), cfg80211_check_station_change(9), enum rate_info_flags(9), enum rate_info_bw(9), struct rate_info(9), enum bss_param_flags(9), struct sta_bss_parameters(9), struct cfg80211_txq_stats(9), struct cfg80211_tid_stats(9), struct link_station_info(9), struct station_info(9).
  • SAR, mesh, ocb & txq, the deep cuts 🌸 — struct cfg80211_sar_sub_specs(9), struct cfg80211_sar_specs(9), struct cfg80211_sar_freq_ranges(9), struct cfg80211_sar_capa(9), cfg80211_get_station(9), enum monitor_flags(9), enum mpath_info_flags(9), struct mpath_info(9), enum wiphy_bss_param_flags(9), struct bss_parameters(9), struct mesh_config(9), struct mesh_setup(9), struct ocb_setup(9), struct ieee80211_txq_params(9).
• Scanning and BSS list handling(9) 🔍 — scanning bestie, you already know:
  • ssids, scans & sched scans — struct cfg80211_ssid(9), struct cfg80211_scan_info(9), struct cfg80211_scan_6ghz_params(9), struct cfg80211_scan_request(9), struct cfg80211_match_set(9), struct cfg80211_sched_scan_plan(9), struct cfg80211_bss_select_adjust(9), struct cfg80211_sched_scan_request(9), enum cfg80211_signal_type(9).
  • BSS data & lookup — struct cfg80211_inform_bss(9), struct cfg80211_bss_ies(9), struct cfg80211_bss(9), ieee80211_bss_get_elem(9), ieee80211_bss_get_ie(9).
  • auth / assoc / deauth / disassoc, the whole handshake saga 🤝 — struct cfg80211_auth_request(9), struct cfg80211_assoc_link(9), struct cfg80211_ml_reconf_req(9), enum cfg80211_assoc_req_flags(9), struct cfg80211_assoc_request(9), struct cfg80211_deauth_request(9), struct cfg80211_disassoc_request(9), struct cfg80211_ibss_params(9), struct cfg80211_bss_selection(9), struct cfg80211_connect_params(9), enum cfg80211_connect_params_changed(9), enum wiphy_params_flags(9).
  • pmksa, patterns & wowlan town 😴 — struct cfg80211_pmksa(9), struct cfg80211_pkt_pattern(9), struct cfg80211_wowlan_tcp(9), struct cfg80211_wowlan(9), struct cfg80211_coalesce_rules(9), struct cfg80211_coalesce(9), struct cfg80211_wowlan_nd_match(9), struct cfg80211_wowlan_nd_info(9), struct cfg80211_wowlan_wakeup(9), struct cfg80211_gtk_rekey_data(9), struct cfg80211_update_ft_ies_params(9), struct cfg80211_mgmt_tx_params(9), struct cfg80211_dscp_exception(9), struct cfg80211_dscp_range(9), struct cfg80211_qos_map(9).
• Neighbor Awareness Networking (NAN)(9) 🦋 — nan nan nan, come on: struct cfg80211_nan_band_config(9), struct cfg80211_nan_conf(9), struct cfg80211_nan_channel(9), struct cfg80211_nan_local_sched(9), struct cfg80211_nan_peer_map(9), struct cfg80211_nan_peer_sched(9), enum cfg80211_nan_conf_changes(9), struct cfg80211_nan_func_filter(9), struct cfg80211_nan_func(9).
• pmk, external auth, ftm & pmsr (the measurement girlies) 📶 — struct cfg80211_pmk_conf(9), struct cfg80211_external_auth_params(9), struct cfg80211_ftm_responder_stats(9), struct cfg80211_pmsr_ftm_result(9), struct cfg80211_pmsr_result(9), struct cfg80211_pmsr_ftm_request_peer(9), struct cfg80211_pmsr_request_peer(9), struct cfg80211_pmsr_request(9), struct cfg80211_update_owe_info(9), struct mgmt_frame_regs(9).
• the big ops & wiphy chapter, aka the wiphy-verse 👑 — struct cfg80211_ops(9), enum wiphy_flags(9), struct ieee80211_iface_limit(9), struct ieee80211_iface_combination(9), enum wiphy_wowlan_support_flags(9), struct wiphy_wowlan_support(9), struct wiphy_coalesce_support(9), enum wiphy_vendor_command_flags(9), enum wiphy_opmode_flag(9), struct sta_opmode_info(9), struct wiphy_vendor_command(9), struct wiphy_iftype_ext_capab(9), cfg80211_get_iftype_ext_capa(9), struct cfg80211_pmsr_capabilities(9), struct wiphy_iftype_akm_suites(9), struct wiphy_radio_cfg(9), struct wiphy_radio_freq_range(9), struct wiphy_radio(9), enum wiphy_nan_flags(9), struct wiphy_nan_capa(9), struct wiphy(9).
• wiphy lifecycle & work queues (busy busy busy) 💅 — wiphy_priv(9), priv_to_wiphy(9), set_wiphy_dev(9), wiphy_dev(9), wiphy_name(9), wiphy_new_nm(9), wiphy_new(9), wiphy_register(9), rcu_dereference_wiphy(9), wiphy_dereference(9), get_wiphy_regdom(9), wiphy_unregister(9), wiphy_free(9), wiphy_lock(9), wiphy_unlock(9), wiphy_work_queue(9), wiphy_work_cancel(9), wiphy_work_flush(9), wiphy_delayed_work_queue(9), wiphy_delayed_work_cancel(9), wiphy_delayed_work_flush(9), wiphy_delayed_work_pending(9), wiphy_hrtimer_work_queue(9), wiphy_hrtimer_work_cancel(9), wiphy_hrtimer_work_flush(9), wiphy_hrtimer_work_pending(9).
• wdev corner 🫶 — enum ieee80211_ap_reg_power(9), struct wireless_dev(9), wdev_priv(9), wdev_chandef(9).
• Utility functions(9) 🧰 — ieee80211_channel_equal(9), ieee80211_channel_to_khz(9), ieee80211_channel_to_freq_khz(9), ieee80211_channel_to_frequency(9), ieee80211_freq_khz_to_channel(9), ieee80211_frequency_to_channel(9), ieee80211_get_channel_khz(9), ieee80211_get_channel(9), cfg80211_channel_is_psc(9), ieee80211_radio_freq_range_valid(9), cfg80211_radio_chandef_valid(9), cfg80211_wdev_channel_allowed(9), ieee80211_get_response_rate(9), ieee80211_mandatory_rates(9), struct ieee80211_radiotap_iterator(9), ieee80211_get_hdrlen_from_skb(9), ieee80211_hdrlen(9), ieee80211_get_mesh_hdrlen(9).
• Data path helpers(9) 🛤️ — ieee80211_data_to_8023_exthdr(9), ieee80211_data_to_8023(9), ieee80211_is_valid_amsdu(9), ieee80211_amsdu_to_8023s(9), ieee80211_get_8023_tunnel_proto(9), ieee80211_strip_8023_mesh_hdr(9), cfg80211_classify8021d(9), cfg80211_find_elem_match(9), cfg80211_find_ie_match(9), cfg80211_find_elem(9), cfg80211_find_ie(9), cfg80211_find_ext_elem(9), cfg80211_find_ext_ie(9), cfg80211_find_vendor_elem(9), cfg80211_find_vendor_ie(9), enum cfg80211_rnr_iter_ret(9), cfg80211_iter_rnr(9), cfg80211_defragment_element(9), cfg80211_send_layer2_update(9).
• Regulatory enforcement infrastructure(9) 🚨 — regulatory_hint(9), regulatory_set_wiphy_regd(9), regulatory_set_wiphy_regd_sync(9), wiphy_apply_custom_regulatory(9), freq_reg_info(9), reg_initiator_name(9), regulatory_pre_cac_allowed(9), plus Internal regulatory db functions(9): reg_query_regdb_wmm(9).
• scan & BSS notification central 📣 — cfg80211_scan_done(9), cfg80211_sched_scan_results(9), cfg80211_sched_scan_stopped(9), cfg80211_sched_scan_stopped_locked(9), cfg80211_inform_bss_frame_data(9), cfg80211_gen_new_bssid(9), cfg80211_is_element_inherited(9), cfg80211_merge_profile(9), enum cfg80211_bss_frame_type(9), cfg80211_get_ies_channel_number(9), cfg80211_ssid_eq(9), cfg80211_inform_bss_data(9), __cfg80211_get_bss(9), cfg80211_get_bss(9), cfg80211_ref_bss(9), cfg80211_put_bss(9), cfg80211_unlink_bss(9), cfg80211_bss_iter(9).
• mlme & mgmt drama (the event girlies) 🎭 — cfg80211_rx_mlme_mgmt(9), cfg80211_auth_timeout(9), struct cfg80211_rx_assoc_resp_data(9), cfg80211_rx_assoc_resp(9), struct cfg80211_assoc_failure(9), cfg80211_assoc_failure(9), cfg80211_tx_mlme_mgmt(9), cfg80211_rx_unprot_mlme_mgmt(9), cfg80211_michael_mic_failure(9), cfg80211_ibss_joined(9), cfg80211_notify_new_peer_candidate(9).
• RFkill integration(9) ✈️ — wiphy_rfkill_set_hw_state_reason(9), wiphy_rfkill_start_polling(9), wiphy_rfkill_stop_polling(9).
• Vendor commands(9) 🏷️ — cfg80211_vendor_cmd_alloc_reply_skb(9), cfg80211_vendor_cmd_reply(9), cfg80211_vendor_cmd_get_sender(9), cfg80211_vendor_event_alloc(9), cfg80211_vendor_event_alloc_ucast(9), cfg80211_vendor_event(9).
• Test mode(9) 🧪 — cfg80211_testmode_alloc_reply_skb(9), cfg80211_testmode_reply(9), cfg80211_testmode_alloc_event_skb(9), cfg80211_testmode_event(9).
• connect / roam / disconnect saga, part two 🌟 — struct cfg80211_fils_resp_params(9), struct cfg80211_connect_resp_params(9), cfg80211_connect_done(9), cfg80211_connect_bss(9), cfg80211_connect_result(9), cfg80211_connect_timeout(9), struct cfg80211_roam_info(9), cfg80211_roamed(9), cfg80211_port_authorized(9), cfg80211_disconnected(9).
• channel & station notifications ⭐ — cfg80211_ready_on_channel(9), cfg80211_remain_on_channel_expired(9), cfg80211_sinfo_alloc_tid_stats(9), cfg80211_link_sinfo_alloc_tid_stats(9), cfg80211_sinfo_release_content(9), cfg80211_new_sta(9), cfg80211_del_sta_sinfo(9), cfg80211_del_sta(9), cfg80211_conn_failed(9).
• rx/tx mgmt status besties 📨 — struct cfg80211_rx_info(9), cfg80211_rx_mgmt_ext(9), cfg80211_rx_mgmt_khz(9), cfg80211_rx_mgmt(9), struct cfg80211_tx_status(9), cfg80211_mgmt_tx_status_ext(9), cfg80211_mgmt_tx_status(9), cfg80211_control_port_tx_status(9), cfg80211_rx_control_port(9).
• cqm, radar, cac & the rest of the notification crew 🔔 — cfg80211_cqm_rssi_notify(9), cfg80211_cqm_pktloss_notify(9), cfg80211_cqm_txe_notify(9), cfg80211_cqm_beacon_loss_notify(9), __cfg80211_radar_event(9), cfg80211_sta_opmode_change_notify(9), cfg80211_cac_event(9), cfg80211_background_cac_abort(9), cfg80211_gtk_rekey_notify(9), cfg80211_pmksa_candidate_notify(9), cfg80211_rx_spurious_frame(9), cfg80211_rx_unexpected_4addr_frame(9), cfg80211_probe_status(9), cfg80211_report_obss_beacon_khz(9), cfg80211_report_obss_beacon(9), struct cfg80211_beaconing_check_config(9),

Okay so the cross-reference list keeps going — and it is long, bestie, so hydrate first 🍓 These are all just "go read this too" pointers, no extra lore attached:

• the regulatory / channel-switch girlies — cfg80211_reg_check_beaconing(9), cfg80211_reg_can_beacon(9), cfg80211_reg_can_beacon_relax(9), cfg80211_ch_switch_notify(9), cfg80211_ch_switch_started_notify(9)
• the operating-class ⇄ chandef converter squad — ieee80211_operating_class_to_band(9), ieee80211_operating_class_to_chandef(9), ieee80211_chandef_to_operating_class(9), ieee80211_chandef_to_khz(9)
• misc besties passing through — cfg80211_tdls_oper_request(9), cfg80211_calculate_bitrate(9)
• register / unregister era — cfg80211_unregister_wdev(9), cfg80211_register_netdevice(9), cfg80211_unregister_netdevice(9)
• fast-transition vibes — struct cfg80211_ft_event_params(9), cfg80211_ft_event(9)
• P2P + IE-splitting icons — cfg80211_get_p2p_attr(9), ieee80211_ie_split_ric(9), ieee80211_ie_split(9), ieee80211_fragment_element(9)
• wakeup + critical-protocol crowd — cfg80211_report_wowlan_wakeup(9), cfg80211_crit_proto_stopped(9)
• channel-count / combo-checking crew — ieee80211_get_num_supported_channels(9), cfg80211_check_combinations(9), cfg80211_iter_combinations(9), cfg80211_get_radio_idx_by_chan(9), cfg80211_stop_link(9), cfg80211_stop_iface(9), cfg80211_shutdown_all_interfaces(9)
• ext-feature flags, no cap — wiphy_ext_feature_set(9), wiphy_ext_feature_isset(9)
• the NAN girlies, part one ✨ — cfg80211_free_nan_func(9), struct cfg80211_nan_match_params(9), cfg80211_nan_match(9), cfg80211_nan_func_terminated(9), cfg80211_nan_sched_update_done(9)
• auth / PMSR / assoc main-character energy — cfg80211_external_auth_request(9), cfg80211_pmsr_report(9), cfg80211_pmsr_complete(9), cfg80211_iftype_allowed(9), cfg80211_assoc_comeback(9), cfg80211_update_owe_info_event(9)
• BSS + colour-change royalty 🌈 — cfg80211_bss_flush(9), cfg80211_bss_color_notify(9), cfg80211_obss_color_collision_notify(9), cfg80211_color_change_started_notify(9), cfg80211_color_change_aborted_notify(9), cfg80211_color_change_notify(9)
• 6 GHz + MLO + scheduling besties — cfg80211_6ghz_power_type(9), cfg80211_links_removed(9), struct cfg80211_mlo_reconf_done_data(9), cfg80211_mlo_reconf_add_done(9), cfg80211_schedule_channels_check(9), cfg80211_epcs_changed(9)
• the NAN girlies, part two 🦋 — cfg80211_next_nan_dw_notif(9), cfg80211_nan_cluster_joined(9), cfg80211_nan_ulw_update(9), cfg80211_nan_channel_evac(9)
• debugfs + S1G + incumbent-signal fam — wiphy_locked_debugfs_read(9), wiphy_locked_debugfs_write(9), cfg80211_s1g_get_start_freq_khz(9), cfg80211_s1g_get_end_freq_khz(9), cfg80211_s1g_get_primary_sibling(9), cfg80211_incumbent_signal_notify(9)

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And that's the whole page, bestie — you made it to the end 🎀 This one lives in the source tree under ./include/net, it's dated October 2026 (very future-iconic of it), and the whole thing is filed under the title cfg80211_tx_mgmt_expired(9). Go forth and slay your management-frame timeouts, ily 💜💅