diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/sta.h')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/sta.h | 283 |
1 files changed, 185 insertions, 98 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.h b/drivers/net/wireless/intel/iwlwifi/mvm/sta.h index d52cd888f77d..c25edc7c1813 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.h @@ -1,67 +1,9 @@ -/****************************************************************************** - * - * This file is provided under a dual BSD/GPLv2 license. When using or - * redistributing this file, you may do so under either license. - * - * GPL LICENSE SUMMARY - * - * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. - * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH - * Copyright(c) 2015 - 2016 Intel Deutschland GmbH - * Copyright(c) 2018 Intel Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of version 2 of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * The full GNU General Public License is included in this distribution - * in the file called COPYING. - * - * Contact Information: - * Intel Linux Wireless <linuxwifi@intel.com> - * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - * - * BSD LICENSE - * - * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. - * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH - * Copyright(c) 2015 - 2016 Intel Deutschland GmbH - * Copyright(c) 2018 Intel Corporation - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - *****************************************************************************/ - +/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ +/* + * Copyright (C) 2012-2014, 2018-2025 Intel Corporation + * Copyright (C) 2013-2014 Intel Mobile Communications GmbH + * Copyright (C) 2015-2016 Intel Deutschland GmbH + */ #ifndef __sta_h__ #define __sta_h__ @@ -70,7 +12,7 @@ #include <linux/wait.h> #include "iwl-trans.h" /* for IWL_MAX_TID_COUNT */ -#include "fw-api.h" /* IWL_MVM_STATION_COUNT */ +#include "fw-api.h" /* IWL_STATION_COUNT_MAX */ #include "rs.h" struct iwl_mvm; @@ -191,7 +133,7 @@ struct iwl_mvm_vif; * and no TID data as this is also not needed. * One thing to note, is that these stations have an ID in the fw, but not * in mac80211. In order to "reserve" them a sta_id in %fw_id_to_mac_id - * we fill ERR_PTR(EINVAL) in this mapping and all other dereferencing of + * we fill ERR_PTR(-EINVAL) in this mapping and all other dereferencing of * pointers from this mapping need to check that the value is not error * or NULL. * @@ -272,7 +214,7 @@ struct iwl_mvm_vif; */ /** - * enum iwl_mvm_agg_state + * enum iwl_mvm_agg_state - aggregation session state * * The state machine of the BA agreement establishment / tear down. * These states relate to a specific RA / TID. @@ -283,8 +225,6 @@ struct iwl_mvm_vif; * @IWL_AGG_ON: aggregation session is up * @IWL_EMPTYING_HW_QUEUE_ADDBA: establishing a BA session - waiting for the * HW queue to be empty from packets for this RA /TID. - * @IWL_EMPTYING_HW_QUEUE_DELBA: tearing down a BA session - waiting for the - * HW queue to be empty from packets for this RA /TID. */ enum iwl_mvm_agg_state { IWL_AGG_OFF = 0, @@ -292,12 +232,10 @@ enum iwl_mvm_agg_state { IWL_AGG_STARTING, IWL_AGG_ON, IWL_EMPTYING_HW_QUEUE_ADDBA, - IWL_EMPTYING_HW_QUEUE_DELBA, }; /** * struct iwl_mvm_tid_data - holds the states for each RA / TID - * @deferred_tx_frames: deferred TX frames for this RA/TID * @seq_number: the next WiFi sequence number to use * @next_reclaimed: the WiFi sequence number of the next packet to be acked. * This is basically (last acked packet++). @@ -318,11 +256,10 @@ enum iwl_mvm_agg_state { * tpt_meas_start */ struct iwl_mvm_tid_data { - struct sk_buff_head deferred_tx_frames; u16 seq_number; u16 next_reclaimed; /* The rest is Tx AGG related */ - u32 rate_n_flags; + __le32 rate_n_flags; u8 lq_color; bool amsdu_in_ampdu_allowed; enum iwl_mvm_agg_state state; @@ -341,13 +278,36 @@ struct iwl_mvm_key_pn { } ____cacheline_aligned_in_smp q[]; }; -struct iwl_mvm_delba_data { - u32 baid; +/** + * enum iwl_mvm_rxq_notif_type - Internal message identifier + * + * @IWL_MVM_RXQ_EMPTY: empty sync notification + * @IWL_MVM_RXQ_NOTIF_DEL_BA: notify RSS queues of delBA + */ +enum iwl_mvm_rxq_notif_type { + IWL_MVM_RXQ_EMPTY, + IWL_MVM_RXQ_NOTIF_DEL_BA, +}; + +/** + * struct iwl_mvm_internal_rxq_notif - Internal representation of the data sent + * in &iwl_rxq_sync_cmd. Should be DWORD aligned. + * FW is agnostic to the payload, so there are no endianity requirements. + * + * @type: value from &iwl_mvm_rxq_notif_type + * @sync: ctrl path is waiting for all notifications to be received + * @cookie: internal cookie to identify old notifications + * @data: payload + */ +struct iwl_mvm_internal_rxq_notif { + u16 type; + u16 sync; + u32 cookie; + u8 data[]; } __packed; -struct iwl_mvm_delba_notif { - struct iwl_mvm_internal_rxq_notif metadata; - struct iwl_mvm_delba_data delba; +struct iwl_mvm_delba_data { + u32 baid; } __packed; /** @@ -361,14 +321,38 @@ struct iwl_mvm_rxq_dup_data { } ____cacheline_aligned_in_smp; /** + * struct iwl_mvm_link_sta - link specific parameters of a station + * @rcu_head: used for freeing the data + * @sta_id: the index of the station in the fw + * @lq_sta: holds rate scaling data, either for the case when RS is done in + * the driver - %rs_drv or in the FW - %rs_fw. + * @orig_amsdu_len: used to save the original amsdu_len when it is changed via + * debugfs. If it's set to 0, it means that it is it's not set via + * debugfs. + * @avg_energy: energy as reported by FW statistics notification + */ +struct iwl_mvm_link_sta { + struct rcu_head rcu_head; + u32 sta_id; + union { + struct iwl_lq_sta_rs_fw rs_fw; + struct iwl_lq_sta rs_drv; + } lq_sta; + + u16 orig_amsdu_len; + + u8 avg_energy; +}; + +/** * struct iwl_mvm_sta - representation of a station in the driver - * @sta_id: the index of the station in the fw (will be replaced by id_n_color) + * @vif: the interface the station belongs to * @tfd_queue_msk: the tfd queues used by the station * @mac_id_n_color: the MAC context this station is linked to * @tid_disable_agg: bitmap: if bit(tid) is set, the fw won't send ampdus for * tid. - * @max_agg_bufsize: the maximal size of the AGG buffer for this station * @sta_type: station type + * @authorized: indicates station is authorized * @sta_state: station state according to enum %ieee80211_sta_state * @bt_reduced_txpower: is reduced tx power enabled for this station * @next_status_eosp: the next reclaimed packet is a PS-Poll response and @@ -377,8 +361,7 @@ struct iwl_mvm_rxq_dup_data { * and from Tx response flow, it needs a spinlock. * @tid_data: per tid data + mgmt. Look at %iwl_mvm_tid_data. * @tid_to_baid: a simple map of TID to baid - * @lq_sta: holds rate scaling data, either for the case when RS is done in - * the driver - %rs_drv or in the FW - %rs_fw. + * @vif: a vif pointer * @reserved_queue: the queue reserved for this STA for DQA purposes * Every STA has is given one reserved queue to allow it to operate. If no * such queue can be guaranteed, the STA addition will fail. @@ -388,7 +371,9 @@ struct iwl_mvm_rxq_dup_data { * @amsdu_enabled: bitmap of TX AMSDU allowed TIDs. * In case TLC offload is not active it is either 0xFFFF or 0. * @max_amsdu_len: max AMSDU length + * @sleeping: indicates the station is sleeping (when not offloaded to FW) * @agg_tids: bitmap of tids whose status is operational aggregated (IWL_AGG_ON) + * @sleeping: sta sleep transitions in power management * @sleep_tx_count: the number of frames that we told the firmware to let out * even when that station is asleep. This is useful in case the queue * gets empty before all the frames were sent, which can happen when @@ -396,10 +381,16 @@ struct iwl_mvm_rxq_dup_data { * the BA window. To be used for UAPSD only. * @ptk_pn: per-queue PTK PN data structures * @dup_data: per queue duplicate packet detection data - * @deferred_traffic_tid_map: indication bitmap of deferred traffic per-TID * @tx_ant: the index of the antenna to use for data tx to this station. Only * used during connection establishment (e.g. for the 4 way handshake * exchange). + * @pairwise_cipher: used to feed iwlmei upon authorization + * @deflink: the default link station, for non-MLO STA, all link specific data + * is accessed via deflink (or link[0]). For MLO, it will hold data of the + * first added link STA. + * @link: per link sta entries. For non-MLO only link[0] holds data. For MLO, + * link[0] points to deflink and link[link_id] is allocated when new link + * sta is added. * * When mac80211 creates a station it reserves some space (hw->sta_data_size) * in the structure for use by driver. This structure is placed in that @@ -407,28 +398,21 @@ struct iwl_mvm_rxq_dup_data { * */ struct iwl_mvm_sta { - u32 sta_id; u32 tfd_queue_msk; u32 mac_id_n_color; u16 tid_disable_agg; - u16 max_agg_bufsize; - enum iwl_sta_type sta_type; + u8 sta_type; enum ieee80211_sta_state sta_state; bool bt_reduced_txpower; bool next_status_eosp; + bool authorized; spinlock_t lock; struct iwl_mvm_tid_data tid_data[IWL_MAX_TID_COUNT + 1]; u8 tid_to_baid[IWL_MAX_TID_COUNT]; - union { - struct iwl_lq_sta_rs_fw rs_fw; - struct iwl_lq_sta rs_drv; - } lq_sta; struct ieee80211_vif *vif; struct iwl_mvm_key_pn __rcu *ptk_pn[4]; struct iwl_mvm_rxq_dup_data *dup_data; - u16 deferred_traffic_tid_map; - u8 reserved_queue; /* Temporary, until the new TLC will control the Tx protection */ @@ -441,8 +425,11 @@ struct iwl_mvm_sta { bool sleeping; u8 agg_tids; u8 sleep_tx_count; - u8 avg_energy; u8 tx_ant; + u32 pairwise_cipher; + + struct iwl_mvm_link_sta deflink; + struct iwl_mvm_link_sta __rcu *link[IEEE80211_MLD_MAX_NUM_LINKS]; }; u16 iwl_mvm_tid_queued(struct iwl_mvm *mvm, struct iwl_mvm_tid_data *tid_data); @@ -462,12 +449,12 @@ iwl_mvm_sta_from_mac80211(struct ieee80211_sta *sta) */ struct iwl_mvm_int_sta { u32 sta_id; - enum iwl_sta_type type; + u8 type; u32 tfd_queue_msk; }; /** - * Send the STA info to the FW. + * iwl_mvm_sta_send_to_fw - Send the STA info to the FW. * * @mvm: the iwl_mvm* to use * @sta: the STA @@ -475,9 +462,13 @@ struct iwl_mvm_int_sta { * about. Otherwise (if this is a new STA), this should be false. * @flags: if update==true, this marks what is being changed via ORs of values * from enum iwl_sta_modify_flag. Otherwise, this is ignored. + * Return: negative error code or 0 on success */ int iwl_mvm_sta_send_to_fw(struct iwl_mvm *mvm, struct ieee80211_sta *sta, bool update, unsigned int flags); +int iwl_mvm_find_free_sta_id(struct iwl_mvm *mvm, enum nl80211_iftype iftype); +int iwl_mvm_sta_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + struct ieee80211_sta *sta, int sta_id, u8 sta_type); int iwl_mvm_add_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct ieee80211_sta *sta); @@ -489,8 +480,13 @@ static inline int iwl_mvm_update_sta(struct iwl_mvm *mvm, return iwl_mvm_sta_send_to_fw(mvm, sta, true, 0); } +void iwl_mvm_realloc_queues_after_restart(struct iwl_mvm *mvm, + struct ieee80211_sta *sta); int iwl_mvm_wait_sta_queues_empty(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvm_sta); +void iwl_mvm_sta_del(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct ieee80211_link_sta *link_sta); int iwl_mvm_rm_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct ieee80211_sta *sta); @@ -532,10 +528,12 @@ int iwl_mvm_sta_tx_agg_flush(struct iwl_mvm *mvm, struct ieee80211_vif *vif, int iwl_mvm_sta_tx_agg(struct iwl_mvm *mvm, struct ieee80211_sta *sta, int tid, u8 queue, bool start); -int iwl_mvm_add_aux_sta(struct iwl_mvm *mvm); -void iwl_mvm_del_aux_sta(struct iwl_mvm *mvm); +int iwl_mvm_add_aux_sta(struct iwl_mvm *mvm, u32 lmac_id); +int iwl_mvm_rm_aux_sta(struct iwl_mvm *mvm); int iwl_mvm_alloc_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif); +void iwl_mvm_free_bcast_sta_queues(struct iwl_mvm *mvm, + struct ieee80211_vif *vif); int iwl_mvm_send_add_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif); int iwl_mvm_add_p2p_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif); int iwl_mvm_send_rm_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif); @@ -545,7 +543,7 @@ int iwl_mvm_rm_mcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif); int iwl_mvm_allocate_int_sta(struct iwl_mvm *mvm, struct iwl_mvm_int_sta *sta, u32 qmask, enum nl80211_iftype iftype, - enum iwl_sta_type type); + u8 type); void iwl_mvm_dealloc_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif); void iwl_mvm_dealloc_int_sta(struct iwl_mvm *mvm, struct iwl_mvm_int_sta *sta); int iwl_mvm_add_snif_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif); @@ -569,7 +567,96 @@ void iwl_mvm_sta_modify_disable_tx_ap(struct iwl_mvm *mvm, void iwl_mvm_modify_all_sta_disable_tx(struct iwl_mvm *mvm, struct iwl_mvm_vif *mvmvif, bool disable); + void iwl_mvm_csa_client_absent(struct iwl_mvm *mvm, struct ieee80211_vif *vif); +int iwl_mvm_sta_ensure_queue(struct iwl_mvm *mvm, struct ieee80211_txq *txq); void iwl_mvm_add_new_dqa_stream_wk(struct work_struct *wk); +void iwl_mvm_cancel_channel_switch(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + u32 id); +/* Queues */ +int iwl_mvm_tvqm_enable_txq(struct iwl_mvm *mvm, + struct ieee80211_sta *sta, + u8 sta_id, u8 tid, unsigned int timeout); + +/* Sta state */ +/** + * struct iwl_mvm_sta_state_ops - callbacks for the sta_state() ops + * + * Since the only difference between both MLD and + * non-MLD versions of sta_state() is these function calls, + * each version will send its specific function calls to + * %iwl_mvm_mac_sta_state_common(). + * + * @add_sta: pointer to the function that adds a new sta + * @update_sta: pointer to the function that updates a sta + * @rm_sta: pointer to the functions that removes a sta + * @mac_ctxt_changed: pointer to the function that handles a change in mac ctxt + */ +struct iwl_mvm_sta_state_ops { + int (*add_sta)(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + struct ieee80211_sta *sta); + int (*update_sta)(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + struct ieee80211_sta *sta); + int (*rm_sta)(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + struct ieee80211_sta *sta); + int (*mac_ctxt_changed)(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + bool force_assoc_off); +}; +int iwl_mvm_mac_sta_state_common(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + enum ieee80211_sta_state old_state, + enum ieee80211_sta_state new_state, + const struct iwl_mvm_sta_state_ops *callbacks); + +/* New MLD STA related APIs */ +/* STA */ +int iwl_mvm_mld_add_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + struct ieee80211_bss_conf *link_conf); +int iwl_mvm_mld_add_snif_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + struct ieee80211_bss_conf *link_conf); +int iwl_mvm_mld_add_mcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + struct ieee80211_bss_conf *link_conf); +int iwl_mvm_mld_add_aux_sta(struct iwl_mvm *mvm, u32 lmac_id); +int iwl_mvm_mld_rm_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + struct ieee80211_bss_conf *link_conf); +int iwl_mvm_mld_rm_snif_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif); +int iwl_mvm_mld_rm_mcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + struct ieee80211_bss_conf *link_conf); +int iwl_mvm_mld_rm_aux_sta(struct iwl_mvm *mvm); +int iwl_mvm_mld_add_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + struct ieee80211_sta *sta); +int iwl_mvm_mld_update_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + struct ieee80211_sta *sta); +int iwl_mvm_mld_rm_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + struct ieee80211_sta *sta); +void iwl_mvm_mld_free_sta_link(struct iwl_mvm *mvm, + struct iwl_mvm_sta *mvm_sta, + struct iwl_mvm_link_sta *mvm_sta_link, + unsigned int link_id); +int iwl_mvm_mld_rm_sta_id(struct iwl_mvm *mvm, u8 sta_id); +int iwl_mvm_mld_update_sta_links(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + u16 old_links, u16 new_links); +u32 iwl_mvm_sta_fw_id_mask(struct iwl_mvm *mvm, struct ieee80211_sta *sta, + int filter_link_id); +int iwl_mvm_mld_add_int_sta_with_queue(struct iwl_mvm *mvm, + struct iwl_mvm_int_sta *sta, + const u8 *addr, int link_id, + u16 *queue, u8 tid, + unsigned int *_wdg_timeout); + +/* Queues */ +void iwl_mvm_mld_modify_all_sta_disable_tx(struct iwl_mvm *mvm, + struct iwl_mvm_vif *mvmvif, + bool disable); +void iwl_mvm_mld_sta_modify_disable_tx(struct iwl_mvm *mvm, + struct iwl_mvm_sta *mvm_sta, + bool disable); +void iwl_mvm_mld_sta_modify_disable_tx_ap(struct iwl_mvm *mvm, + struct ieee80211_sta *sta, + bool disable); #endif /* __sta_h__ */ |