Thomas Gleixner | d2912cb | 2019-06-04 10:11:33 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 2 | /* |
| 3 | * Copyright 2002-2005, Devicescape Software, Inc. |
Johannes Berg | d98ad83 | 2014-09-03 15:24:57 +0300 | [diff] [blame] | 4 | * Copyright 2013-2014 Intel Mobile Communications GmbH |
Johannes Berg | da6a435 | 2017-04-26 12:14:59 +0200 | [diff] [blame] | 5 | * Copyright(c) 2015-2017 Intel Deutschland GmbH |
Johannes Berg | 799f53e | 2023-08-27 14:05:25 +0300 | [diff] [blame] | 6 | * Copyright(c) 2020-2023 Intel Corporation |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 7 | */ |
| 8 | |
| 9 | #ifndef STA_INFO_H |
| 10 | #define STA_INFO_H |
| 11 | |
| 12 | #include <linux/list.h> |
| 13 | #include <linux/types.h> |
| 14 | #include <linux/if_ether.h> |
Johannes Berg | af81858 | 2009-11-06 11:35:50 +0100 | [diff] [blame] | 15 | #include <linux/workqueue.h> |
Bruno Randolf | 541a45a | 2010-12-02 19:12:43 +0900 | [diff] [blame] | 16 | #include <linux/average.h> |
Johannes Berg | dcba665 | 2017-04-26 14:51:20 +0200 | [diff] [blame] | 17 | #include <linux/bitfield.h> |
Felix Fietkau | 888d04d | 2012-03-01 15:22:09 +0100 | [diff] [blame] | 18 | #include <linux/etherdevice.h> |
Johannes Berg | 7bedd0c | 2015-02-13 21:55:15 +0100 | [diff] [blame] | 19 | #include <linux/rhashtable.h> |
Johannes Berg | 0f9c5a6 | 2016-03-31 20:02:09 +0300 | [diff] [blame] | 20 | #include <linux/u64_stats_sync.h> |
Johannes Berg | 2c8dccc | 2008-04-08 15:14:40 -0400 | [diff] [blame] | 21 | #include "key.h" |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 22 | |
Johannes Berg | 238814f | 2008-01-28 17:19:37 +0100 | [diff] [blame] | 23 | /** |
| 24 | * enum ieee80211_sta_info_flags - Stations flags |
| 25 | * |
Johannes Berg | c2c98fd | 2011-09-29 16:04:36 +0200 | [diff] [blame] | 26 | * These flags are used with &struct sta_info's @flags member, but |
| 27 | * only indirectly with set_sta_flag() and friends. |
Johannes Berg | 238814f | 2008-01-28 17:19:37 +0100 | [diff] [blame] | 28 | * |
| 29 | * @WLAN_STA_AUTH: Station is authenticated. |
| 30 | * @WLAN_STA_ASSOC: Station is associated. |
Johannes Berg | af81858 | 2009-11-06 11:35:50 +0100 | [diff] [blame] | 31 | * @WLAN_STA_PS_STA: Station is in power-save mode |
Johannes Berg | 238814f | 2008-01-28 17:19:37 +0100 | [diff] [blame] | 32 | * @WLAN_STA_AUTHORIZED: Station is authorized to send/receive traffic. |
| 33 | * This bit is always checked so needs to be enabled for all stations |
| 34 | * when virtual port control is not in use. |
| 35 | * @WLAN_STA_SHORT_PREAMBLE: Station is capable of receiving short-preamble |
| 36 | * frames. |
Johannes Berg | 238814f | 2008-01-28 17:19:37 +0100 | [diff] [blame] | 37 | * @WLAN_STA_WDS: Station is one of our WDS peers. |
Johannes Berg | d46e144 | 2008-02-20 23:59:33 +0100 | [diff] [blame] | 38 | * @WLAN_STA_CLEAR_PS_FILT: Clear PS filter in hardware (using the |
Johannes Berg | e039fa4 | 2008-05-15 12:55:29 +0200 | [diff] [blame] | 39 | * IEEE80211_TX_CTL_CLEAR_PS_FILT control flag) when the next |
Johannes Berg | d46e144 | 2008-02-20 23:59:33 +0100 | [diff] [blame] | 40 | * frame to this station is transmitted. |
Jouni Malinen | 5394af4 | 2009-01-08 13:31:59 +0200 | [diff] [blame] | 41 | * @WLAN_STA_MFP: Management frame protection is used with this STA. |
Johannes Berg | 618f356 | 2010-04-06 11:18:46 +0200 | [diff] [blame] | 42 | * @WLAN_STA_BLOCK_BA: Used to deny ADDBA requests (both TX and RX) |
Johannes Berg | 098a607 | 2010-04-06 11:18:47 +0200 | [diff] [blame] | 43 | * during suspend/resume and station removal. |
Johannes Berg | af81858 | 2009-11-06 11:35:50 +0100 | [diff] [blame] | 44 | * @WLAN_STA_PS_DRIVER: driver requires keeping this station in |
| 45 | * power-save mode logically to flush frames that might still |
| 46 | * be in the queues |
| 47 | * @WLAN_STA_PSPOLL: Station sent PS-poll while driver was keeping |
| 48 | * station in power-save mode, reply when the driver unblocks. |
Arik Nemtsov | 941c93c | 2011-09-28 14:12:54 +0300 | [diff] [blame] | 49 | * @WLAN_STA_TDLS_PEER: Station is a TDLS peer. |
| 50 | * @WLAN_STA_TDLS_PEER_AUTH: This TDLS peer is authorized to send direct |
| 51 | * packets. This means the link is enabled. |
Arik Nemtsov | 626911c | 2014-07-17 17:14:17 +0300 | [diff] [blame] | 52 | * @WLAN_STA_TDLS_INITIATOR: We are the initiator of the TDLS link with this |
| 53 | * station. |
Arik Nemtsov | 9041c1f | 2014-11-09 18:50:15 +0200 | [diff] [blame] | 54 | * @WLAN_STA_TDLS_CHAN_SWITCH: This TDLS peer supports TDLS channel-switching |
Arik Nemtsov | a7a6bdd | 2014-11-09 18:50:19 +0200 | [diff] [blame] | 55 | * @WLAN_STA_TDLS_OFF_CHANNEL: The local STA is currently off-channel with this |
| 56 | * TDLS peer |
Arik Nemtsov | b98fb44 | 2015-06-10 20:42:59 +0300 | [diff] [blame] | 57 | * @WLAN_STA_TDLS_WIDER_BW: This TDLS peer supports working on a wider bw on |
| 58 | * the BSS base channel. |
Johannes Berg | 47086fc | 2011-09-29 16:04:33 +0200 | [diff] [blame] | 59 | * @WLAN_STA_UAPSD: Station requested unscheduled SP while driver was |
| 60 | * keeping station in power-save mode, reply when the driver |
| 61 | * unblocks the station. |
| 62 | * @WLAN_STA_SP: Station is in a service period, so don't try to |
Johannes Berg | deeaee19 | 2011-09-29 16:04:35 +0200 | [diff] [blame] | 63 | * reply to other uAPSD trigger frames or PS-Poll. |
Johannes Berg | e7f4a94 | 2011-11-04 11:18:20 +0100 | [diff] [blame] | 64 | * @WLAN_STA_4ADDR_EVENT: 4-addr event was already sent for this frame. |
Johannes Berg | 83d5cc0 | 2012-01-12 09:31:10 +0100 | [diff] [blame] | 65 | * @WLAN_STA_INSERTED: This station is inserted into the hash table. |
Johannes Berg | e1936e9 | 2012-01-20 13:55:23 +0100 | [diff] [blame] | 66 | * @WLAN_STA_RATE_CONTROL: rate control was initialized for this station. |
Javier Cardona | dbf498f | 2012-03-31 11:31:32 -0700 | [diff] [blame] | 67 | * @WLAN_STA_TOFFSET_KNOWN: toffset calculated for this station is valid. |
Marco Porsch | 3f52b7e | 2013-01-30 18:14:08 +0100 | [diff] [blame] | 68 | * @WLAN_STA_MPSP_OWNER: local STA is owner of a mesh Peer Service Period. |
| 69 | * @WLAN_STA_MPSP_RECIPIENT: local STA is recipient of a MPSP. |
Johannes Berg | 5ac2e35 | 2014-05-27 16:32:27 +0200 | [diff] [blame] | 70 | * @WLAN_STA_PS_DELIVER: station woke up, but we're still blocking TX |
| 71 | * until pending frames are delivered |
Johannes Berg | b6b5c42 | 2020-04-24 12:39:46 +0200 | [diff] [blame] | 72 | * @WLAN_STA_USES_ENCRYPTION: This station was configured for encryption, |
| 73 | * so drop all packets without a key later. |
Felix Fietkau | 80a915e | 2020-12-18 19:47:18 +0100 | [diff] [blame] | 74 | * @WLAN_STA_DECAP_OFFLOAD: This station uses rx decap offload |
Johannes Berg | c84387d | 2016-03-17 15:02:54 +0200 | [diff] [blame] | 75 | * |
| 76 | * @NUM_WLAN_STA_FLAGS: number of defined flags |
Johannes Berg | 238814f | 2008-01-28 17:19:37 +0100 | [diff] [blame] | 77 | */ |
| 78 | enum ieee80211_sta_info_flags { |
Johannes Berg | c2c98fd | 2011-09-29 16:04:36 +0200 | [diff] [blame] | 79 | WLAN_STA_AUTH, |
| 80 | WLAN_STA_ASSOC, |
| 81 | WLAN_STA_PS_STA, |
| 82 | WLAN_STA_AUTHORIZED, |
| 83 | WLAN_STA_SHORT_PREAMBLE, |
Johannes Berg | c2c98fd | 2011-09-29 16:04:36 +0200 | [diff] [blame] | 84 | WLAN_STA_WDS, |
| 85 | WLAN_STA_CLEAR_PS_FILT, |
| 86 | WLAN_STA_MFP, |
| 87 | WLAN_STA_BLOCK_BA, |
| 88 | WLAN_STA_PS_DRIVER, |
| 89 | WLAN_STA_PSPOLL, |
| 90 | WLAN_STA_TDLS_PEER, |
| 91 | WLAN_STA_TDLS_PEER_AUTH, |
Arik Nemtsov | 626911c | 2014-07-17 17:14:17 +0300 | [diff] [blame] | 92 | WLAN_STA_TDLS_INITIATOR, |
Arik Nemtsov | 9041c1f | 2014-11-09 18:50:15 +0200 | [diff] [blame] | 93 | WLAN_STA_TDLS_CHAN_SWITCH, |
Arik Nemtsov | a7a6bdd | 2014-11-09 18:50:19 +0200 | [diff] [blame] | 94 | WLAN_STA_TDLS_OFF_CHANNEL, |
Arik Nemtsov | b98fb44 | 2015-06-10 20:42:59 +0300 | [diff] [blame] | 95 | WLAN_STA_TDLS_WIDER_BW, |
Johannes Berg | c2c98fd | 2011-09-29 16:04:36 +0200 | [diff] [blame] | 96 | WLAN_STA_UAPSD, |
| 97 | WLAN_STA_SP, |
Johannes Berg | e7f4a94 | 2011-11-04 11:18:20 +0100 | [diff] [blame] | 98 | WLAN_STA_4ADDR_EVENT, |
Johannes Berg | 83d5cc0 | 2012-01-12 09:31:10 +0100 | [diff] [blame] | 99 | WLAN_STA_INSERTED, |
Johannes Berg | e1936e9 | 2012-01-20 13:55:23 +0100 | [diff] [blame] | 100 | WLAN_STA_RATE_CONTROL, |
Javier Cardona | dbf498f | 2012-03-31 11:31:32 -0700 | [diff] [blame] | 101 | WLAN_STA_TOFFSET_KNOWN, |
Marco Porsch | 3f52b7e | 2013-01-30 18:14:08 +0100 | [diff] [blame] | 102 | WLAN_STA_MPSP_OWNER, |
| 103 | WLAN_STA_MPSP_RECIPIENT, |
Johannes Berg | 5ac2e35 | 2014-05-27 16:32:27 +0200 | [diff] [blame] | 104 | WLAN_STA_PS_DELIVER, |
Johannes Berg | a0761a3 | 2020-03-26 15:09:42 +0200 | [diff] [blame] | 105 | WLAN_STA_USES_ENCRYPTION, |
Felix Fietkau | 80a915e | 2020-12-18 19:47:18 +0100 | [diff] [blame] | 106 | WLAN_STA_DECAP_OFFLOAD, |
Johannes Berg | c84387d | 2016-03-17 15:02:54 +0200 | [diff] [blame] | 107 | |
| 108 | NUM_WLAN_STA_FLAGS, |
Johannes Berg | 238814f | 2008-01-28 17:19:37 +0100 | [diff] [blame] | 109 | }; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 110 | |
Ron Rindjunsky | 5aae288 | 2007-12-25 17:00:32 +0200 | [diff] [blame] | 111 | #define ADDBA_RESP_INTERVAL HZ |
Nikolay Martynov | 84381b4 | 2011-12-17 19:39:35 -0500 | [diff] [blame] | 112 | #define HT_AGG_MAX_RETRIES 15 |
| 113 | #define HT_AGG_BURST_RETRIES 3 |
| 114 | #define HT_AGG_RETRIES_PERIOD (15 * HZ) |
Ron Rindjunsky | 5aae288 | 2007-12-25 17:00:32 +0200 | [diff] [blame] | 115 | |
Johannes Berg | a622ab7 | 2010-06-10 10:21:39 +0200 | [diff] [blame] | 116 | #define HT_AGG_STATE_DRV_READY 0 |
| 117 | #define HT_AGG_STATE_RESPONSE_RECEIVED 1 |
| 118 | #define HT_AGG_STATE_OPERATIONAL 2 |
| 119 | #define HT_AGG_STATE_STOPPING 3 |
Johannes Berg | 0ab3370 | 2010-06-10 10:21:42 +0200 | [diff] [blame] | 120 | #define HT_AGG_STATE_WANT_START 4 |
| 121 | #define HT_AGG_STATE_WANT_STOP 5 |
Johannes Berg | 7a7c0a6 | 2017-05-27 00:27:25 +0200 | [diff] [blame] | 122 | #define HT_AGG_STATE_START_CB 6 |
| 123 | #define HT_AGG_STATE_STOP_CB 7 |
Mordechay Goodstein | 0c197f1 | 2020-03-26 15:09:38 +0200 | [diff] [blame] | 124 | #define HT_AGG_STATE_SENT_ADDBA 8 |
Ron Rindjunsky | 80656c2 | 2008-01-28 14:07:16 +0200 | [diff] [blame] | 125 | |
Balaji Pothunoori | cc60dbb | 2018-04-16 20:18:41 +0530 | [diff] [blame] | 126 | DECLARE_EWMA(avg_signal, 10, 8) |
Johannes Berg | c82c4a8 | 2012-07-18 13:31:31 +0200 | [diff] [blame] | 127 | enum ieee80211_agg_stop_reason { |
| 128 | AGG_STOP_DECLINED, |
| 129 | AGG_STOP_LOCAL_REQUEST, |
| 130 | AGG_STOP_PEER_REQUEST, |
| 131 | AGG_STOP_DESTROY_STA, |
| 132 | }; |
| 133 | |
Toke Høiland-Jørgensen | b4809e9 | 2018-12-18 17:02:08 -0800 | [diff] [blame] | 134 | /* Debugfs flags to enable/disable use of RX/TX airtime in scheduler */ |
| 135 | #define AIRTIME_USE_TX BIT(0) |
| 136 | #define AIRTIME_USE_RX BIT(1) |
| 137 | |
| 138 | struct airtime_info { |
| 139 | u64 rx_airtime; |
| 140 | u64 tx_airtime; |
Dmitry Antipov | ea855f0 | 2023-12-06 09:09:27 +0300 | [diff] [blame] | 141 | unsigned long last_active; |
Felix Fietkau | 445452d | 2022-06-25 23:24:06 +0200 | [diff] [blame] | 142 | s32 deficit; |
Kan Yan | 3ace10f | 2019-11-18 22:06:09 -0800 | [diff] [blame] | 143 | atomic_t aql_tx_pending; /* Estimated airtime for frames pending */ |
| 144 | u32 aql_limit_low; |
| 145 | u32 aql_limit_high; |
Toke Høiland-Jørgensen | b4809e9 | 2018-12-18 17:02:08 -0800 | [diff] [blame] | 146 | }; |
| 147 | |
Kan Yan | 3ace10f | 2019-11-18 22:06:09 -0800 | [diff] [blame] | 148 | void ieee80211_sta_update_pending_airtime(struct ieee80211_local *local, |
| 149 | struct sta_info *sta, u8 ac, |
| 150 | u16 tx_airtime, bool tx_completed); |
| 151 | |
Kees Cook | 7cca2ac | 2017-10-17 13:25:45 -0700 | [diff] [blame] | 152 | struct sta_info; |
| 153 | |
Ron Rindjunsky | 80656c2 | 2008-01-28 14:07:16 +0200 | [diff] [blame] | 154 | /** |
| 155 | * struct tid_ampdu_tx - TID aggregation information (Tx). |
| 156 | * |
Johannes Berg | a622ab7 | 2010-06-10 10:21:39 +0200 | [diff] [blame] | 157 | * @rcu_head: rcu head for freeing structure |
Nikolay Martynov | 285fa69 | 2011-11-22 21:50:28 -0500 | [diff] [blame] | 158 | * @session_timer: check if we keep Tx-ing on the TID (by timeout value) |
Ron Rindjunsky | 80656c2 | 2008-01-28 14:07:16 +0200 | [diff] [blame] | 159 | * @addba_resp_timer: timer for peer's response to addba request |
Johannes Berg | cd8ffc8 | 2009-03-23 17:28:41 +0100 | [diff] [blame] | 160 | * @pending: pending frames queue -- use sta's spinlock to protect |
Kees Cook | 7cca2ac | 2017-10-17 13:25:45 -0700 | [diff] [blame] | 161 | * @sta: station we are attached to |
Ron Rindjunsky | cee24a3 | 2008-03-26 20:36:03 +0200 | [diff] [blame] | 162 | * @dialog_token: dialog token for aggregation session |
Sujith Manoharan | bd2ce6e | 2010-12-15 07:47:10 +0530 | [diff] [blame] | 163 | * @timeout: session timeout value to be filled in ADDBA requests |
Kees Cook | 7cca2ac | 2017-10-17 13:25:45 -0700 | [diff] [blame] | 164 | * @tid: TID number |
Johannes Berg | a622ab7 | 2010-06-10 10:21:39 +0200 | [diff] [blame] | 165 | * @state: session state (see above) |
Felix Fietkau | 12d3952f | 2012-03-18 22:58:06 +0100 | [diff] [blame] | 166 | * @last_tx: jiffies of last tx activity |
Johannes Berg | a622ab7 | 2010-06-10 10:21:39 +0200 | [diff] [blame] | 167 | * @stop_initiator: initiator of a session stop |
Johannes Berg | 53f73c0 | 2010-10-05 19:37:40 +0200 | [diff] [blame] | 168 | * @tx_stop: TX DelBA frame when stopping |
Johannes Berg | 0b01f03 | 2011-01-18 13:51:05 +0100 | [diff] [blame] | 169 | * @buf_size: reorder buffer size at receiver |
Felix Fietkau | f0425be | 2011-08-28 21:11:01 +0200 | [diff] [blame] | 170 | * @failed_bar_ssn: ssn of the last failed BAR tx attempt |
| 171 | * @bar_pending: BAR needs to be re-sent |
Emmanuel Grumbach | e3abc8f | 2015-08-16 11:13:22 +0300 | [diff] [blame] | 172 | * @amsdu: support A-MSDU withing A-MDPU |
Johannes Berg | af9d3a2 | 2021-11-29 09:19:49 +0100 | [diff] [blame] | 173 | * @ssn: starting sequence number of the session |
Johannes Berg | a622ab7 | 2010-06-10 10:21:39 +0200 | [diff] [blame] | 174 | * |
Johannes Berg | dd31857 | 2010-11-29 11:09:16 +0100 | [diff] [blame] | 175 | * This structure's lifetime is managed by RCU, assignments to |
| 176 | * the array holding it must hold the aggregation mutex. |
| 177 | * |
| 178 | * The TX path can access it under RCU lock-free if, and |
| 179 | * only if, the state has the flag %HT_AGG_STATE_OPERATIONAL |
| 180 | * set. Otherwise, the TX path must also acquire the spinlock |
| 181 | * and re-check the state, see comments in the tx code |
| 182 | * touching it. |
Ron Rindjunsky | 80656c2 | 2008-01-28 14:07:16 +0200 | [diff] [blame] | 183 | */ |
| 184 | struct tid_ampdu_tx { |
Johannes Berg | a622ab7 | 2010-06-10 10:21:39 +0200 | [diff] [blame] | 185 | struct rcu_head rcu_head; |
Nikolay Martynov | 285fa69 | 2011-11-22 21:50:28 -0500 | [diff] [blame] | 186 | struct timer_list session_timer; |
Ron Rindjunsky | 80656c2 | 2008-01-28 14:07:16 +0200 | [diff] [blame] | 187 | struct timer_list addba_resp_timer; |
Johannes Berg | cd8ffc8 | 2009-03-23 17:28:41 +0100 | [diff] [blame] | 188 | struct sk_buff_head pending; |
Kees Cook | 7cca2ac | 2017-10-17 13:25:45 -0700 | [diff] [blame] | 189 | struct sta_info *sta; |
Johannes Berg | a622ab7 | 2010-06-10 10:21:39 +0200 | [diff] [blame] | 190 | unsigned long state; |
Felix Fietkau | 12d3952f | 2012-03-18 22:58:06 +0100 | [diff] [blame] | 191 | unsigned long last_tx; |
Sujith Manoharan | bd2ce6e | 2010-12-15 07:47:10 +0530 | [diff] [blame] | 192 | u16 timeout; |
Ron Rindjunsky | cee24a3 | 2008-03-26 20:36:03 +0200 | [diff] [blame] | 193 | u8 dialog_token; |
Johannes Berg | a622ab7 | 2010-06-10 10:21:39 +0200 | [diff] [blame] | 194 | u8 stop_initiator; |
Johannes Berg | 53f73c0 | 2010-10-05 19:37:40 +0200 | [diff] [blame] | 195 | bool tx_stop; |
Luca Coelho | 41cbb0f | 2018-06-09 09:14:44 +0300 | [diff] [blame] | 196 | u16 buf_size; |
Felix Fietkau | 73111ef | 2021-11-24 10:40:24 +0100 | [diff] [blame] | 197 | u16 ssn; |
Felix Fietkau | f0425be | 2011-08-28 21:11:01 +0200 | [diff] [blame] | 198 | |
| 199 | u16 failed_bar_ssn; |
| 200 | bool bar_pending; |
Emmanuel Grumbach | e3abc8f | 2015-08-16 11:13:22 +0300 | [diff] [blame] | 201 | bool amsdu; |
Kees Cook | 7cca2ac | 2017-10-17 13:25:45 -0700 | [diff] [blame] | 202 | u8 tid; |
Ron Rindjunsky | 80656c2 | 2008-01-28 14:07:16 +0200 | [diff] [blame] | 203 | }; |
Ron Rindjunsky | 5aae288 | 2007-12-25 17:00:32 +0200 | [diff] [blame] | 204 | |
| 205 | /** |
| 206 | * struct tid_ampdu_rx - TID aggregation information (Rx). |
| 207 | * |
Michal Kazior | 83eb935 | 2014-07-16 12:09:31 +0200 | [diff] [blame] | 208 | * @reorder_buf: buffer to reorder incoming aggregated MPDUs. An MPDU may be an |
| 209 | * A-MSDU with individually reported subframes. |
Sara Sharon | 06470f7 | 2016-01-28 16:19:25 +0200 | [diff] [blame] | 210 | * @reorder_buf_filtered: bitmap indicating where there are filtered frames in |
| 211 | * the reorder buffer that should be ignored when releasing frames |
Jouni Malinen | 4d050f1 | 2009-05-05 20:35:14 +0300 | [diff] [blame] | 212 | * @reorder_time: jiffies when skb was added |
Ron Rindjunsky | 5aae288 | 2007-12-25 17:00:32 +0200 | [diff] [blame] | 213 | * @session_timer: check if peer keeps Tx-ing on the TID (by timeout value) |
Christian Lamparter | 2bff8ebf | 2010-08-05 01:36:41 +0200 | [diff] [blame] | 214 | * @reorder_timer: releases expired frames from the reorder buffer. |
Kees Cook | 7cca2ac | 2017-10-17 13:25:45 -0700 | [diff] [blame] | 215 | * @sta: station we are attached to |
Felix Fietkau | 12d3952f | 2012-03-18 22:58:06 +0100 | [diff] [blame] | 216 | * @last_rx: jiffies of last rx activity |
Johannes Berg | 056cdd5 | 2008-03-26 23:21:47 +0100 | [diff] [blame] | 217 | * @head_seq_num: head sequence number in reordering buffer. |
| 218 | * @stored_mpdu_num: number of MPDUs in reordering buffer |
Ron Rindjunsky | cee24a3 | 2008-03-26 20:36:03 +0200 | [diff] [blame] | 219 | * @ssn: Starting Sequence Number expected to be aggregated. |
| 220 | * @buf_size: buffer size for incoming A-MPDUs |
Johannes Berg | 20ad19d | 2009-02-10 21:25:45 +0100 | [diff] [blame] | 221 | * @timeout: reset timer value (in TUs). |
Kees Cook | 7cca2ac | 2017-10-17 13:25:45 -0700 | [diff] [blame] | 222 | * @tid: TID number |
Johannes Berg | a87f736 | 2010-06-10 10:21:38 +0200 | [diff] [blame] | 223 | * @rcu_head: RCU head used for freeing this struct |
Christian Lamparter | 2bff8ebf | 2010-08-05 01:36:41 +0200 | [diff] [blame] | 224 | * @reorder_lock: serializes access to reorder buffer, see below. |
Michal Kazior | 4549cf2 | 2014-09-02 14:05:10 +0200 | [diff] [blame] | 225 | * @auto_seq: used for offloaded BA sessions to automatically pick head_seq_and |
| 226 | * and ssn. |
Johannes Berg | 788211d | 2015-04-01 14:20:42 +0200 | [diff] [blame] | 227 | * @removed: this session is removed (but might have been found due to RCU) |
Sara Sharon | b7540d8 | 2017-02-06 15:28:42 +0200 | [diff] [blame] | 228 | * @started: this session has started (head ssn or higher was received) |
Johannes Berg | a87f736 | 2010-06-10 10:21:38 +0200 | [diff] [blame] | 229 | * |
Johannes Berg | dd31857 | 2010-11-29 11:09:16 +0100 | [diff] [blame] | 230 | * This structure's lifetime is managed by RCU, assignments to |
| 231 | * the array holding it must hold the aggregation mutex. |
Christian Lamparter | 2bff8ebf | 2010-08-05 01:36:41 +0200 | [diff] [blame] | 232 | * |
Johannes Berg | dd31857 | 2010-11-29 11:09:16 +0100 | [diff] [blame] | 233 | * The @reorder_lock is used to protect the members of this |
| 234 | * struct, except for @timeout, @buf_size and @dialog_token, |
| 235 | * which are constant across the lifetime of the struct (the |
| 236 | * dialog token being used only for debugging). |
Ron Rindjunsky | 5aae288 | 2007-12-25 17:00:32 +0200 | [diff] [blame] | 237 | */ |
| 238 | struct tid_ampdu_rx { |
Johannes Berg | a87f736 | 2010-06-10 10:21:38 +0200 | [diff] [blame] | 239 | struct rcu_head rcu_head; |
Christian Lamparter | 2bff8ebf | 2010-08-05 01:36:41 +0200 | [diff] [blame] | 240 | spinlock_t reorder_lock; |
Sara Sharon | 06470f7 | 2016-01-28 16:19:25 +0200 | [diff] [blame] | 241 | u64 reorder_buf_filtered; |
Michal Kazior | 83eb935 | 2014-07-16 12:09:31 +0200 | [diff] [blame] | 242 | struct sk_buff_head *reorder_buf; |
Jouni Malinen | 4d050f1 | 2009-05-05 20:35:14 +0300 | [diff] [blame] | 243 | unsigned long *reorder_time; |
Kees Cook | 7cca2ac | 2017-10-17 13:25:45 -0700 | [diff] [blame] | 244 | struct sta_info *sta; |
Ron Rindjunsky | 5aae288 | 2007-12-25 17:00:32 +0200 | [diff] [blame] | 245 | struct timer_list session_timer; |
Christian Lamparter | 2bff8ebf | 2010-08-05 01:36:41 +0200 | [diff] [blame] | 246 | struct timer_list reorder_timer; |
Felix Fietkau | 12d3952f | 2012-03-18 22:58:06 +0100 | [diff] [blame] | 247 | unsigned long last_rx; |
Johannes Berg | 056cdd5 | 2008-03-26 23:21:47 +0100 | [diff] [blame] | 248 | u16 head_seq_num; |
| 249 | u16 stored_mpdu_num; |
Ron Rindjunsky | cee24a3 | 2008-03-26 20:36:03 +0200 | [diff] [blame] | 250 | u16 ssn; |
| 251 | u16 buf_size; |
| 252 | u16 timeout; |
Kees Cook | 7cca2ac | 2017-10-17 13:25:45 -0700 | [diff] [blame] | 253 | u8 tid; |
Sara Sharon | b7540d8 | 2017-02-06 15:28:42 +0200 | [diff] [blame] | 254 | u8 auto_seq:1, |
| 255 | removed:1, |
| 256 | started:1; |
Ron Rindjunsky | 5aae288 | 2007-12-25 17:00:32 +0200 | [diff] [blame] | 257 | }; |
| 258 | |
Luis Carlos Cobo | b4e08ea | 2008-02-29 15:46:08 -0800 | [diff] [blame] | 259 | /** |
Johannes Berg | fcea600 | 2010-05-31 11:40:23 +0200 | [diff] [blame] | 260 | * struct sta_ampdu_mlme - STA aggregation information. |
| 261 | * |
Johannes Berg | a87f736 | 2010-06-10 10:21:38 +0200 | [diff] [blame] | 262 | * @tid_rx: aggregation info for Rx per TID -- RCU protected |
Johannes Berg | 1c3d185 | 2016-10-18 23:12:08 +0300 | [diff] [blame] | 263 | * @tid_rx_token: dialog tokens for valid aggregation sessions |
Johannes Berg | 7c3b1dd | 2010-06-10 10:21:44 +0200 | [diff] [blame] | 264 | * @tid_rx_timer_expired: bitmap indicating on which TIDs the |
| 265 | * RX timer expired until the work for it runs |
Shahar Levi | f41ccd7 | 2011-05-22 16:10:21 +0300 | [diff] [blame] | 266 | * @tid_rx_stop_requested: bitmap indicating which BA sessions per TID the |
| 267 | * driver requested to close until the work for it runs |
Johannes Berg | 699cb58 | 2017-05-30 16:34:46 +0200 | [diff] [blame] | 268 | * @tid_rx_manage_offl: bitmap indicating which BA sessions were requested |
| 269 | * to be treated as started/stopped due to offloading |
Sara Sharon | 412a6d8 | 2015-12-08 19:09:05 +0200 | [diff] [blame] | 270 | * @agg_session_valid: bitmap indicating which TID has a rx BA session open on |
Johannes Berg | bfe40fa | 2016-08-29 23:25:18 +0300 | [diff] [blame] | 271 | * @unexpected_agg: bitmap indicating which TID already sent a delBA due to |
| 272 | * unexpected aggregation related frames outside a session |
Sara Sharon | 412a6d8 | 2015-12-08 19:09:05 +0200 | [diff] [blame] | 273 | * @work: work struct for starting/stopping aggregation |
| 274 | * @tid_tx: aggregation info for Tx per TID |
Johannes Berg | 463559b | 2023-08-28 14:00:04 +0200 | [diff] [blame] | 275 | * @tid_start_tx: sessions where start was requested, not just protected |
| 276 | * by wiphy mutex but also sta->lock |
Sara Sharon | 412a6d8 | 2015-12-08 19:09:05 +0200 | [diff] [blame] | 277 | * @last_addba_req_time: timestamp of the last addBA request. |
| 278 | * @addba_req_num: number of times addBA request has been sent. |
| 279 | * @dialog_token_allocator: dialog token enumerator for each new session; |
Johannes Berg | fcea600 | 2010-05-31 11:40:23 +0200 | [diff] [blame] | 280 | */ |
| 281 | struct sta_ampdu_mlme { |
| 282 | /* rx */ |
Johannes Berg | 5a306f5 | 2012-11-14 23:22:21 +0100 | [diff] [blame] | 283 | struct tid_ampdu_rx __rcu *tid_rx[IEEE80211_NUM_TIDS]; |
Johannes Berg | 1c3d185 | 2016-10-18 23:12:08 +0300 | [diff] [blame] | 284 | u8 tid_rx_token[IEEE80211_NUM_TIDS]; |
Johannes Berg | 5a306f5 | 2012-11-14 23:22:21 +0100 | [diff] [blame] | 285 | unsigned long tid_rx_timer_expired[BITS_TO_LONGS(IEEE80211_NUM_TIDS)]; |
| 286 | unsigned long tid_rx_stop_requested[BITS_TO_LONGS(IEEE80211_NUM_TIDS)]; |
Johannes Berg | 699cb58 | 2017-05-30 16:34:46 +0200 | [diff] [blame] | 287 | unsigned long tid_rx_manage_offl[BITS_TO_LONGS(2 * IEEE80211_NUM_TIDS)]; |
Sara Sharon | 412a6d8 | 2015-12-08 19:09:05 +0200 | [diff] [blame] | 288 | unsigned long agg_session_valid[BITS_TO_LONGS(IEEE80211_NUM_TIDS)]; |
Johannes Berg | bfe40fa | 2016-08-29 23:25:18 +0300 | [diff] [blame] | 289 | unsigned long unexpected_agg[BITS_TO_LONGS(IEEE80211_NUM_TIDS)]; |
Johannes Berg | fcea600 | 2010-05-31 11:40:23 +0200 | [diff] [blame] | 290 | /* tx */ |
Johannes Berg | 1b67211 | 2023-08-28 13:59:35 +0200 | [diff] [blame] | 291 | struct wiphy_work work; |
Johannes Berg | 5a306f5 | 2012-11-14 23:22:21 +0100 | [diff] [blame] | 292 | struct tid_ampdu_tx __rcu *tid_tx[IEEE80211_NUM_TIDS]; |
| 293 | struct tid_ampdu_tx *tid_start_tx[IEEE80211_NUM_TIDS]; |
| 294 | unsigned long last_addba_req_time[IEEE80211_NUM_TIDS]; |
| 295 | u8 addba_req_num[IEEE80211_NUM_TIDS]; |
Johannes Berg | fcea600 | 2010-05-31 11:40:23 +0200 | [diff] [blame] | 296 | u8 dialog_token_allocator; |
| 297 | }; |
| 298 | |
| 299 | |
Liad Kaufman | b6da911 | 2014-11-19 13:47:38 +0200 | [diff] [blame] | 300 | /* Value to indicate no TID reservation */ |
| 301 | #define IEEE80211_TID_UNRESERVED 0xff |
| 302 | |
Johannes Berg | e495c24 | 2015-04-10 14:03:17 +0200 | [diff] [blame] | 303 | #define IEEE80211_FAST_XMIT_MAX_IV 18 |
| 304 | |
Johannes Berg | fcea600 | 2010-05-31 11:40:23 +0200 | [diff] [blame] | 305 | /** |
Johannes Berg | 17c18bf | 2015-03-21 15:25:43 +0100 | [diff] [blame] | 306 | * struct ieee80211_fast_tx - TX fastpath information |
| 307 | * @key: key to use for hw crypto |
| 308 | * @hdr: the 802.11 header to put with the frame |
| 309 | * @hdr_len: actual 802.11 header length |
| 310 | * @sa_offs: offset of the SA |
| 311 | * @da_offs: offset of the DA |
| 312 | * @pn_offs: offset where to put PN for crypto (or 0 if not needed) |
| 313 | * @band: band this will be transmitted on, for tx_info |
| 314 | * @rcu_head: RCU head to free this struct |
| 315 | * |
Johannes Berg | e495c24 | 2015-04-10 14:03:17 +0200 | [diff] [blame] | 316 | * This struct is small enough so that the common case (maximum crypto |
| 317 | * header length of 8 like for CCMP/GCMP) fits into a single 64-byte |
| 318 | * cache line. |
Johannes Berg | 17c18bf | 2015-03-21 15:25:43 +0100 | [diff] [blame] | 319 | */ |
| 320 | struct ieee80211_fast_tx { |
| 321 | struct ieee80211_key *key; |
Johannes Berg | 17c18bf | 2015-03-21 15:25:43 +0100 | [diff] [blame] | 322 | u8 hdr_len; |
| 323 | u8 sa_offs, da_offs, pn_offs; |
| 324 | u8 band; |
Johannes Berg | e495c24 | 2015-04-10 14:03:17 +0200 | [diff] [blame] | 325 | u8 hdr[30 + 2 + IEEE80211_FAST_XMIT_MAX_IV + |
Felix Fietkau | 6fe0412 | 2016-05-19 17:34:38 +0200 | [diff] [blame] | 326 | sizeof(rfc1042_header)] __aligned(2); |
Johannes Berg | 17c18bf | 2015-03-21 15:25:43 +0100 | [diff] [blame] | 327 | |
| 328 | struct rcu_head rcu_head; |
| 329 | }; |
| 330 | |
| 331 | /** |
Johannes Berg | 49ddf8e | 2016-03-31 20:02:10 +0300 | [diff] [blame] | 332 | * struct ieee80211_fast_rx - RX fastpath information |
| 333 | * @dev: netdevice for reporting the SKB |
| 334 | * @vif_type: (P2P-less) interface type of the original sdata (sdata->vif.type) |
| 335 | * @vif_addr: interface address |
| 336 | * @rfc1042_hdr: copy of the RFC 1042 SNAP header (to have in cache) |
| 337 | * @control_port_protocol: control port protocol copied from sdata |
| 338 | * @expected_ds_bits: from/to DS bits expected |
| 339 | * @icv_len: length of the MIC if present |
| 340 | * @key: bool indicating encryption is expected (key is set) |
Johannes Berg | 49ddf8e | 2016-03-31 20:02:10 +0300 | [diff] [blame] | 341 | * @internal_forward: forward froms internally on AP/VLAN type interfaces |
Johannes Berg | c9c5962 | 2016-03-31 20:02:11 +0300 | [diff] [blame] | 342 | * @uses_rss: copy of USES_RSS hw flag |
Johannes Berg | 49ddf8e | 2016-03-31 20:02:10 +0300 | [diff] [blame] | 343 | * @da_offs: offset of the DA in the header (for header conversion) |
| 344 | * @sa_offs: offset of the SA in the header (for header conversion) |
| 345 | * @rcu_head: RCU head for freeing this structure |
| 346 | */ |
| 347 | struct ieee80211_fast_rx { |
| 348 | struct net_device *dev; |
| 349 | enum nl80211_iftype vif_type; |
| 350 | u8 vif_addr[ETH_ALEN] __aligned(2); |
| 351 | u8 rfc1042_hdr[6] __aligned(2); |
| 352 | __be16 control_port_protocol; |
| 353 | __le16 expected_ds_bits; |
| 354 | u8 icv_len; |
| 355 | u8 key:1, |
Johannes Berg | c9c5962 | 2016-03-31 20:02:11 +0300 | [diff] [blame] | 356 | internal_forward:1, |
| 357 | uses_rss:1; |
Johannes Berg | 49ddf8e | 2016-03-31 20:02:10 +0300 | [diff] [blame] | 358 | u8 da_offs, sa_offs; |
| 359 | |
| 360 | struct rcu_head rcu_head; |
| 361 | }; |
| 362 | |
Manoharan, Rajkumar | 3eb0928 | 2017-02-14 12:27:16 -0800 | [diff] [blame] | 363 | /* we use only values in the range 0-100, so pick a large precision */ |
| 364 | DECLARE_EWMA(mesh_fail_avg, 20, 8) |
Julan Hsu | 67fc055 | 2019-01-15 15:31:56 -0800 | [diff] [blame] | 365 | DECLARE_EWMA(mesh_tx_rate_avg, 8, 16) |
Manoharan, Rajkumar | 3eb0928 | 2017-02-14 12:27:16 -0800 | [diff] [blame] | 366 | |
Johannes Berg | 49ddf8e | 2016-03-31 20:02:10 +0300 | [diff] [blame] | 367 | /** |
Johannes Berg | 433f5bc | 2015-06-17 10:31:00 +0200 | [diff] [blame] | 368 | * struct mesh_sta - mesh STA information |
| 369 | * @plink_lock: serialize access to plink fields |
| 370 | * @llid: Local link ID |
| 371 | * @plid: Peer link ID |
Bob Copeland | a69bd8e | 2015-07-14 08:31:58 -0400 | [diff] [blame] | 372 | * @aid: local aid supplied by peer |
Johannes Berg | 433f5bc | 2015-06-17 10:31:00 +0200 | [diff] [blame] | 373 | * @reason: Cancel reason on PLINK_HOLDING state |
| 374 | * @plink_retries: Retries in establishment |
| 375 | * @plink_state: peer link state |
| 376 | * @plink_timeout: timeout of peer link |
| 377 | * @plink_timer: peer link watch timer |
Kees Cook | 4c02d62 | 2017-10-05 10:39:10 -0700 | [diff] [blame] | 378 | * @plink_sta: peer link watch timer's sta_info |
Johannes Berg | 433f5bc | 2015-06-17 10:31:00 +0200 | [diff] [blame] | 379 | * @t_offset: timing offset relative to this host |
| 380 | * @t_offset_setpoint: reference timing offset of this sta to be used when |
| 381 | * calculating clockdrift |
| 382 | * @local_pm: local link-specific power save mode |
| 383 | * @peer_pm: peer-specific power save mode towards local STA |
| 384 | * @nonpeer_pm: STA power save mode towards non-peer neighbors |
| 385 | * @processed_beacon: set to true after peer rates and capabilities are |
| 386 | * processed |
Bob Copeland | dbdaee7 | 2018-10-25 15:48:53 -0400 | [diff] [blame] | 387 | * @connected_to_gate: true if mesh STA has a path to a mesh gate |
Markus Theil | 1303a51 | 2020-06-11 16:02:38 +0200 | [diff] [blame] | 388 | * @connected_to_as: true if mesh STA has a path to a authentication server |
Johannes Berg | a76d5e0 | 2015-06-18 16:20:08 +0200 | [diff] [blame] | 389 | * @fail_avg: moving percentage of failed MSDUs |
Julan Hsu | 67fc055 | 2019-01-15 15:31:56 -0800 | [diff] [blame] | 390 | * @tx_rate_avg: moving average of tx bitrate |
Johannes Berg | 433f5bc | 2015-06-17 10:31:00 +0200 | [diff] [blame] | 391 | */ |
| 392 | struct mesh_sta { |
| 393 | struct timer_list plink_timer; |
Kees Cook | 4c02d62 | 2017-10-05 10:39:10 -0700 | [diff] [blame] | 394 | struct sta_info *plink_sta; |
Johannes Berg | 433f5bc | 2015-06-17 10:31:00 +0200 | [diff] [blame] | 395 | |
| 396 | s64 t_offset; |
| 397 | s64 t_offset_setpoint; |
| 398 | |
| 399 | spinlock_t plink_lock; |
| 400 | u16 llid; |
| 401 | u16 plid; |
Bob Copeland | a69bd8e | 2015-07-14 08:31:58 -0400 | [diff] [blame] | 402 | u16 aid; |
Johannes Berg | 433f5bc | 2015-06-17 10:31:00 +0200 | [diff] [blame] | 403 | u16 reason; |
| 404 | u8 plink_retries; |
| 405 | |
| 406 | bool processed_beacon; |
Bob Copeland | dbdaee7 | 2018-10-25 15:48:53 -0400 | [diff] [blame] | 407 | bool connected_to_gate; |
Markus Theil | 1303a51 | 2020-06-11 16:02:38 +0200 | [diff] [blame] | 408 | bool connected_to_as; |
Johannes Berg | 433f5bc | 2015-06-17 10:31:00 +0200 | [diff] [blame] | 409 | |
| 410 | enum nl80211_plink_state plink_state; |
| 411 | u32 plink_timeout; |
| 412 | |
| 413 | /* mesh power save */ |
| 414 | enum nl80211_mesh_power_mode local_pm; |
| 415 | enum nl80211_mesh_power_mode peer_pm; |
| 416 | enum nl80211_mesh_power_mode nonpeer_pm; |
Johannes Berg | a76d5e0 | 2015-06-18 16:20:08 +0200 | [diff] [blame] | 417 | |
| 418 | /* moving percentage of failed MSDUs */ |
Manoharan, Rajkumar | 3eb0928 | 2017-02-14 12:27:16 -0800 | [diff] [blame] | 419 | struct ewma_mesh_fail_avg fail_avg; |
Julan Hsu | 67fc055 | 2019-01-15 15:31:56 -0800 | [diff] [blame] | 420 | /* moving average of tx bitrate */ |
| 421 | struct ewma_mesh_tx_rate_avg tx_rate_avg; |
Johannes Berg | 433f5bc | 2015-06-17 10:31:00 +0200 | [diff] [blame] | 422 | }; |
| 423 | |
Johannes Berg | eb1e011 | 2017-02-15 09:49:26 +0100 | [diff] [blame] | 424 | DECLARE_EWMA(signal, 10, 8) |
Johannes Berg | 40d9a38 | 2015-07-13 12:26:46 +0200 | [diff] [blame] | 425 | |
Johannes Berg | c9c5962 | 2016-03-31 20:02:11 +0300 | [diff] [blame] | 426 | struct ieee80211_sta_rx_stats { |
| 427 | unsigned long packets; |
| 428 | unsigned long last_rx; |
| 429 | unsigned long num_duplicates; |
| 430 | unsigned long fragments; |
| 431 | unsigned long dropped; |
| 432 | int last_signal; |
| 433 | u8 chains; |
| 434 | s8 chain_signal_last[IEEE80211_MAX_CHAINS]; |
Luca Coelho | 41cbb0f | 2018-06-09 09:14:44 +0300 | [diff] [blame] | 435 | u32 last_rate; |
Johannes Berg | c9c5962 | 2016-03-31 20:02:11 +0300 | [diff] [blame] | 436 | struct u64_stats_sync syncp; |
| 437 | u64 bytes; |
| 438 | u64 msdu[IEEE80211_NUM_TIDS + 1]; |
| 439 | }; |
| 440 | |
Stanislaw Gruszka | 8f797c2 | 2017-09-26 13:48:05 +0200 | [diff] [blame] | 441 | /* |
Johannes Berg | 3a11ce0 | 2021-05-11 20:02:47 +0200 | [diff] [blame] | 442 | * IEEE 802.11-2016 (10.6 "Defragmentation") recommends support for "concurrent |
| 443 | * reception of at least one MSDU per access category per associated STA" |
| 444 | * on APs, or "at least one MSDU per access category" on other interface types. |
| 445 | * |
| 446 | * This limit can be increased by changing this define, at the cost of slower |
| 447 | * frame reassembly and increased memory use while fragments are pending. |
| 448 | */ |
| 449 | #define IEEE80211_FRAGMENT_MAX 4 |
| 450 | |
| 451 | struct ieee80211_fragment_entry { |
| 452 | struct sk_buff_head skb_list; |
| 453 | unsigned long first_frag_time; |
| 454 | u16 seq; |
| 455 | u16 extra_len; |
| 456 | u16 last_frag; |
| 457 | u8 rx_queue; |
Johannes Berg | 7e44a0b | 2021-05-11 20:02:49 +0200 | [diff] [blame] | 458 | u8 check_sequential_pn:1, /* needed for CCMP/GCMP */ |
| 459 | is_protected:1; |
Johannes Berg | 3a11ce0 | 2021-05-11 20:02:47 +0200 | [diff] [blame] | 460 | u8 last_pn[6]; /* PN of the last fragment if CCMP was used */ |
| 461 | unsigned int key_color; |
| 462 | }; |
| 463 | |
| 464 | struct ieee80211_fragment_cache { |
| 465 | struct ieee80211_fragment_entry entries[IEEE80211_FRAGMENT_MAX]; |
| 466 | unsigned int next; |
| 467 | }; |
| 468 | |
| 469 | /* |
Toke Høiland-Jørgensen | 484a54c | 2017-04-06 11:38:26 +0200 | [diff] [blame] | 470 | * The bandwidth threshold below which the per-station CoDel parameters will be |
| 471 | * scaled to be more lenient (to prevent starvation of slow stations). This |
| 472 | * value will be scaled by the number of active stations when it is being |
| 473 | * applied. |
| 474 | */ |
| 475 | #define STA_SLOW_THRESHOLD 6000 /* 6 Mbps */ |
| 476 | |
| 477 | /** |
Sriram R | 046d2e7 | 2022-04-04 21:11:23 +0530 | [diff] [blame] | 478 | * struct link_sta_info - Link STA information |
| 479 | * All link specific sta info are stored here for reference. This can be |
| 480 | * a single entry for non-MLD STA or multiple entries for MLD STA |
| 481 | * @addr: Link MAC address - Can be same as MLD STA mac address and is always |
| 482 | * same for non-MLD STA. This is used as key for searching link STA |
| 483 | * @link_id: Link ID uniquely identifying the link STA. This is 0 for non-MLD |
| 484 | * and set to the corresponding vif LinkId for MLD STA |
Johannes Berg | ba6ddab | 2022-06-14 13:07:42 +0200 | [diff] [blame] | 485 | * @link_hash_node: hash node for rhashtable |
Sriram R | 046d2e7 | 2022-04-04 21:11:23 +0530 | [diff] [blame] | 486 | * @sta: Points to the STA info |
| 487 | * @gtk: group keys negotiated with this station, if any |
| 488 | * @tx_stats: TX statistics |
| 489 | * @tx_stats.packets: # of packets transmitted |
| 490 | * @tx_stats.bytes: # of bytes in all packets transmitted |
| 491 | * @tx_stats.last_rate: last TX rate |
| 492 | * @tx_stats.msdu: # of transmitted MSDUs per TID |
| 493 | * @rx_stats: RX statistics |
| 494 | * @rx_stats_avg: averaged RX statistics |
| 495 | * @rx_stats_avg.signal: averaged signal |
| 496 | * @rx_stats_avg.chain_signal: averaged per-chain signal |
| 497 | * @pcpu_rx_stats: per-CPU RX statistics, assigned only if the driver needs |
| 498 | * this (by advertising the USES_RSS hw flag) |
| 499 | * @status_stats: TX status statistics |
| 500 | * @status_stats.filtered: # of filtered frames |
| 501 | * @status_stats.retry_failed: # of frames that failed after retry |
| 502 | * @status_stats.retry_count: # of retries attempted |
| 503 | * @status_stats.lost_packets: # of lost packets |
| 504 | * @status_stats.last_pkt_time: timestamp of last ACKed packet |
| 505 | * @status_stats.msdu_retries: # of MSDU retries |
| 506 | * @status_stats.msdu_failed: # of failed MSDUs |
| 507 | * @status_stats.last_ack: last ack timestamp (jiffies) |
| 508 | * @status_stats.last_ack_signal: last ACK signal |
| 509 | * @status_stats.ack_signal_filled: last ACK signal validity |
| 510 | * @status_stats.avg_ack_signal: average ACK signal |
Mauro Carvalho Chehab | fe37f73 | 2022-06-28 10:46:07 +0100 | [diff] [blame] | 511 | * @cur_max_bandwidth: maximum bandwidth to use for TX to the station, |
| 512 | * taken from HT/VHT capabilities or VHT operating mode notification |
Benjamin Berg | d2caad5 | 2022-09-06 14:26:52 +0200 | [diff] [blame] | 513 | * @debugfs_dir: debug filesystem directory dentry |
Johannes Berg | c71420d | 2022-06-15 09:20:45 +0200 | [diff] [blame] | 514 | * @pub: public (driver visible) link STA data |
Sriram R | 046d2e7 | 2022-04-04 21:11:23 +0530 | [diff] [blame] | 515 | * TODO Move other link params from sta_info as required for MLD operation |
| 516 | */ |
| 517 | struct link_sta_info { |
| 518 | u8 addr[ETH_ALEN]; |
| 519 | u8 link_id; |
| 520 | |
Johannes Berg | ba6ddab | 2022-06-14 13:07:42 +0200 | [diff] [blame] | 521 | struct rhlist_head link_hash_node; |
Sriram R | 046d2e7 | 2022-04-04 21:11:23 +0530 | [diff] [blame] | 522 | |
| 523 | struct sta_info *sta; |
| 524 | struct ieee80211_key __rcu *gtk[NUM_DEFAULT_KEYS + |
| 525 | NUM_DEFAULT_MGMT_KEYS + |
| 526 | NUM_DEFAULT_BEACON_KEYS]; |
| 527 | struct ieee80211_sta_rx_stats __percpu *pcpu_rx_stats; |
| 528 | |
| 529 | /* Updated from RX path only, no locking requirements */ |
| 530 | struct ieee80211_sta_rx_stats rx_stats; |
| 531 | struct { |
| 532 | struct ewma_signal signal; |
| 533 | struct ewma_signal chain_signal[IEEE80211_MAX_CHAINS]; |
| 534 | } rx_stats_avg; |
| 535 | |
| 536 | /* Updated from TX status path only, no locking requirements */ |
| 537 | struct { |
| 538 | unsigned long filtered; |
| 539 | unsigned long retry_failed, retry_count; |
| 540 | unsigned int lost_packets; |
| 541 | unsigned long last_pkt_time; |
| 542 | u64 msdu_retries[IEEE80211_NUM_TIDS + 1]; |
| 543 | u64 msdu_failed[IEEE80211_NUM_TIDS + 1]; |
| 544 | unsigned long last_ack; |
| 545 | s8 last_ack_signal; |
| 546 | bool ack_signal_filled; |
| 547 | struct ewma_avg_signal avg_ack_signal; |
| 548 | } status_stats; |
| 549 | |
| 550 | /* Updated from TX path only, no locking requirements */ |
| 551 | struct { |
| 552 | u64 packets[IEEE80211_NUM_ACS]; |
| 553 | u64 bytes[IEEE80211_NUM_ACS]; |
| 554 | struct ieee80211_tx_rate last_rate; |
| 555 | struct rate_info last_rate_info; |
| 556 | u64 msdu[IEEE80211_NUM_TIDS + 1]; |
| 557 | } tx_stats; |
| 558 | |
| 559 | enum ieee80211_sta_rx_bandwidth cur_max_bandwidth; |
Johannes Berg | c71420d | 2022-06-15 09:20:45 +0200 | [diff] [blame] | 560 | |
Benjamin Berg | d2caad5 | 2022-09-06 14:26:52 +0200 | [diff] [blame] | 561 | #ifdef CONFIG_MAC80211_DEBUGFS |
| 562 | struct dentry *debugfs_dir; |
| 563 | #endif |
| 564 | |
Johannes Berg | c71420d | 2022-06-15 09:20:45 +0200 | [diff] [blame] | 565 | struct ieee80211_link_sta *pub; |
Sriram R | 046d2e7 | 2022-04-04 21:11:23 +0530 | [diff] [blame] | 566 | }; |
| 567 | |
| 568 | /** |
Johannes Berg | 693b1bb | 2008-02-25 16:27:48 +0100 | [diff] [blame] | 569 | * struct sta_info - STA information |
| 570 | * |
| 571 | * This structure collects information about a station that |
| 572 | * mac80211 is communicating with. |
| 573 | * |
| 574 | * @list: global linked list entry |
Johannes Berg | d778207 | 2013-12-04 23:12:31 +0100 | [diff] [blame] | 575 | * @free_list: list entry for keeping track of stations to free |
Johannes Berg | 7bedd0c | 2015-02-13 21:55:15 +0100 | [diff] [blame] | 576 | * @hash_node: hash node for rhashtable |
Johannes Berg | ac100ce | 2015-06-16 16:22:12 +0200 | [diff] [blame] | 577 | * @addr: station's MAC address - duplicated from public part to |
| 578 | * let the hash table work with just a single cacheline |
Johannes Berg | 693b1bb | 2008-02-25 16:27:48 +0100 | [diff] [blame] | 579 | * @local: pointer to the global information |
Johannes Berg | e25cf4a | 2008-10-23 08:51:20 +0200 | [diff] [blame] | 580 | * @sdata: virtual interface this station belongs to |
Max Stepanov | 2475b1cc | 2013-03-24 14:23:27 +0200 | [diff] [blame] | 581 | * @ptk: peer keys negotiated with this station, if any |
| 582 | * @ptk_idx: last installed peer key index |
Johannes Berg | e25cf4a | 2008-10-23 08:51:20 +0200 | [diff] [blame] | 583 | * @rate_ctrl: rate control algorithm reference |
Johannes Berg | bbbe8c8 | 2015-05-06 16:00:32 +0200 | [diff] [blame] | 584 | * @rate_ctrl_lock: spinlock used to protect rate control data |
| 585 | * (data inside the algorithm, so serializes calls there) |
Johannes Berg | e25cf4a | 2008-10-23 08:51:20 +0200 | [diff] [blame] | 586 | * @rate_ctrl_priv: rate control private per-STA pointer |
Randy Dunlap | 6ef307b | 2008-07-03 13:52:18 -0700 | [diff] [blame] | 587 | * @lock: used for locking all fields that require locking, see comments |
| 588 | * in the header file. |
Johannes Berg | 5ac2e35 | 2014-05-27 16:32:27 +0200 | [diff] [blame] | 589 | * @drv_deliver_wk: used for delivering frames after driver PS unblocking |
Johannes Berg | e25cf4a | 2008-10-23 08:51:20 +0200 | [diff] [blame] | 590 | * @listen_interval: listen interval of this station, when we're acting as AP |
Johannes Berg | c2c98fd | 2011-09-29 16:04:36 +0200 | [diff] [blame] | 591 | * @_flags: STA flags, see &enum ieee80211_sta_info_flags, do not use directly |
Emmanuel Grumbach | 1d147bf | 2014-02-20 09:22:11 +0200 | [diff] [blame] | 592 | * @ps_lock: used for powersave (when mac80211 is the AP) related locking |
Johannes Berg | 948d887 | 2011-09-29 16:04:29 +0200 | [diff] [blame] | 593 | * @ps_tx_buf: buffers (per AC) of frames to transmit to this station |
| 594 | * when it leaves power saving state or polls |
| 595 | * @tx_filtered: buffers (per AC) of frames we already tried to |
| 596 | * transmit but were filtered by hardware due to STA having |
| 597 | * entered power saving state, these are also delivered to |
| 598 | * the station when it leaves powersave or polls for frames |
| 599 | * @driver_buffered_tids: bitmap of TIDs the driver has data buffered on |
Felix Fietkau | ba8c3d6 | 2015-03-27 21:30:37 +0100 | [diff] [blame] | 600 | * @txq_buffered_tids: bitmap of TIDs that mac80211 has txq data buffered on |
Ben Greear | 9cf0233 | 2019-08-09 11:00:01 -0700 | [diff] [blame] | 601 | * @assoc_at: clock boottime (in ns) of last association |
Mohammed Shafi Shajakhan | ebe27c9 | 2011-04-08 21:24:24 +0530 | [diff] [blame] | 602 | * @last_connected: time (in seconds) when a station got connected |
Johannes Berg | 798a457 | 2015-06-16 15:58:22 +0200 | [diff] [blame] | 603 | * @last_seq_ctrl: last received seq/frag number from this STA (per TID |
| 604 | * plus one for non-QoS frames) |
Johannes Berg | e25cf4a | 2008-10-23 08:51:20 +0200 | [diff] [blame] | 605 | * @tid_seq: per-TID sequence numbers for sending to this STA |
Toke Høiland-Jørgensen | cb86880 | 2019-01-29 11:31:26 +0100 | [diff] [blame] | 606 | * @airtime: per-AC struct airtime_info describing airtime statistics for this |
| 607 | * station |
Felix Fietkau | 942741d | 2022-06-25 23:24:05 +0200 | [diff] [blame] | 608 | * @airtime_weight: station weight for airtime fairness calculation purposes |
Johannes Berg | e25cf4a | 2008-10-23 08:51:20 +0200 | [diff] [blame] | 609 | * @ampdu_mlme: A-MPDU state machine state |
Johannes Berg | 433f5bc | 2015-06-17 10:31:00 +0200 | [diff] [blame] | 610 | * @mesh: mesh STA information |
Johannes Berg | fc4a25c | 2016-04-05 11:59:05 +0200 | [diff] [blame] | 611 | * @debugfs_dir: debug filesystem directory dentry |
Johannes Berg | af81858 | 2009-11-06 11:35:50 +0100 | [diff] [blame] | 612 | * @dead: set to true when sta is unlinked |
Eliad Peller | ef04476 | 2015-11-17 10:24:37 +0200 | [diff] [blame] | 613 | * @removed: set to true when sta is being removed from sta_list |
Johannes Berg | 34e8950 | 2010-02-03 13:59:58 +0100 | [diff] [blame] | 614 | * @uploaded: set to true when sta is uploaded to the driver |
Guy Eilam | 2a33bee | 2011-08-17 15:18:15 +0300 | [diff] [blame] | 615 | * @sta: station information we share with the driver |
Johannes Berg | d9a7ddb | 2011-12-14 12:35:30 +0100 | [diff] [blame] | 616 | * @sta_state: duplicates information about station state (for debug) |
Johannes Berg | 077f897 | 2013-02-08 09:06:36 +0100 | [diff] [blame] | 617 | * @rcu_head: RCU head used for freeing this station struct |
Toke Høiland-Jørgensen | 484a54c | 2017-04-06 11:38:26 +0200 | [diff] [blame] | 618 | * @cparams: CoDel parameters for this station. |
Liad Kaufman | b6da911 | 2014-11-19 13:47:38 +0200 | [diff] [blame] | 619 | * @reserved_tid: reserved TID (if any, otherwise IEEE80211_TID_UNRESERVED) |
Bagas Sanjaya | f102424 | 2023-03-23 16:24:54 +0700 | [diff] [blame] | 620 | * @amsdu_mesh_control: track the mesh A-MSDU format used by the peer: |
| 621 | * |
| 622 | * * -1: not yet known |
| 623 | * * 0: non-mesh A-MSDU length field |
| 624 | * * 1: big-endian mesh A-MSDU length field |
| 625 | * * 2: little-endian mesh A-MSDU length field |
| 626 | * |
Johannes Berg | 17c18bf | 2015-03-21 15:25:43 +0100 | [diff] [blame] | 627 | * @fast_tx: TX fastpath information |
Johannes Berg | 49ddf8e | 2016-03-31 20:02:10 +0300 | [diff] [blame] | 628 | * @fast_rx: RX fastpath information |
Arik Nemtsov | 0fabfaa | 2015-06-10 20:41:23 +0300 | [diff] [blame] | 629 | * @tdls_chandef: a TDLS peer can have a wider chandef that is compatible to |
| 630 | * the BSS one. |
Johannes Berg | 3a11ce0 | 2021-05-11 20:02:47 +0200 | [diff] [blame] | 631 | * @frags: fragment cache |
Benjamin Berg | 4c51541d | 2022-09-02 16:12:54 +0200 | [diff] [blame] | 632 | * @cur: storage for aggregation data |
| 633 | * &struct ieee80211_sta points either here or to deflink.agg. |
Sriram R | 046d2e7 | 2022-04-04 21:11:23 +0530 | [diff] [blame] | 634 | * @deflink: This is the default link STA information, for non MLO STA all link |
| 635 | * specific STA information is accessed through @deflink or through |
| 636 | * link[0] which points to address of @deflink. For MLO Link STA |
| 637 | * the first added link STA will point to deflink. |
| 638 | * @link: reference to Link Sta entries. For Non MLO STA, except 1st link, |
| 639 | * i.e link[0] all links would be assigned to NULL by default and |
| 640 | * would access link information via @deflink or link[0]. For MLO |
| 641 | * STA, first link STA being added will point its link pointer to |
| 642 | * @deflink address and remaining would be allocated and the address |
| 643 | * would be assigned to link[link_id] where link_id is the id assigned |
| 644 | * by the AP. |
Johannes Berg | 693b1bb | 2008-02-25 16:27:48 +0100 | [diff] [blame] | 645 | */ |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 646 | struct sta_info { |
Johannes Berg | 693b1bb | 2008-02-25 16:27:48 +0100 | [diff] [blame] | 647 | /* General information, mostly static */ |
Johannes Berg | d778207 | 2013-12-04 23:12:31 +0100 | [diff] [blame] | 648 | struct list_head list, free_list; |
Eliad Peller | b22cfcf | 2012-09-09 14:43:51 +0300 | [diff] [blame] | 649 | struct rcu_head rcu_head; |
Herbert Xu | 83e7e4c | 2016-09-19 19:00:10 +0800 | [diff] [blame] | 650 | struct rhlist_head hash_node; |
Johannes Berg | ac100ce | 2015-06-16 16:22:12 +0200 | [diff] [blame] | 651 | u8 addr[ETH_ALEN]; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 652 | struct ieee80211_local *local; |
Johannes Berg | d0709a6 | 2008-02-25 16:27:46 +0100 | [diff] [blame] | 653 | struct ieee80211_sub_if_data *sdata; |
Max Stepanov | 2475b1cc | 2013-03-24 14:23:27 +0200 | [diff] [blame] | 654 | struct ieee80211_key __rcu *ptk[NUM_DEFAULT_KEYS]; |
Max Stepanov | 2475b1cc | 2013-03-24 14:23:27 +0200 | [diff] [blame] | 655 | u8 ptk_idx; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 656 | struct rate_control_ref *rate_ctrl; |
| 657 | void *rate_ctrl_priv; |
Johannes Berg | 35c347a | 2015-03-05 16:10:08 +0100 | [diff] [blame] | 658 | spinlock_t rate_ctrl_lock; |
Johannes Berg | 07346f81 | 2008-05-03 01:02:02 +0200 | [diff] [blame] | 659 | spinlock_t lock; |
Johannes Berg | 17741cd | 2008-09-11 00:02:02 +0200 | [diff] [blame] | 660 | |
Johannes Berg | 17c18bf | 2015-03-21 15:25:43 +0100 | [diff] [blame] | 661 | struct ieee80211_fast_tx __rcu *fast_tx; |
Johannes Berg | 49ddf8e | 2016-03-31 20:02:10 +0300 | [diff] [blame] | 662 | struct ieee80211_fast_rx __rcu *fast_rx; |
Johannes Berg | 17c18bf | 2015-03-21 15:25:43 +0100 | [diff] [blame] | 663 | |
Johannes Berg | 433f5bc | 2015-06-17 10:31:00 +0200 | [diff] [blame] | 664 | #ifdef CONFIG_MAC80211_MESH |
| 665 | struct mesh_sta *mesh; |
| 666 | #endif |
| 667 | |
Johannes Berg | 5ac2e35 | 2014-05-27 16:32:27 +0200 | [diff] [blame] | 668 | struct work_struct drv_deliver_wk; |
Johannes Berg | af81858 | 2009-11-06 11:35:50 +0100 | [diff] [blame] | 669 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 670 | u16 listen_interval; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 671 | |
Johannes Berg | af81858 | 2009-11-06 11:35:50 +0100 | [diff] [blame] | 672 | bool dead; |
Eliad Peller | ef04476 | 2015-11-17 10:24:37 +0200 | [diff] [blame] | 673 | bool removed; |
Johannes Berg | af81858 | 2009-11-06 11:35:50 +0100 | [diff] [blame] | 674 | |
Johannes Berg | 34e8950 | 2010-02-03 13:59:58 +0100 | [diff] [blame] | 675 | bool uploaded; |
Johannes Berg | d0709a6 | 2008-02-25 16:27:46 +0100 | [diff] [blame] | 676 | |
Johannes Berg | d9a7ddb | 2011-12-14 12:35:30 +0100 | [diff] [blame] | 677 | enum ieee80211_sta_state sta_state; |
| 678 | |
Johannes Berg | c2c98fd | 2011-09-29 16:04:36 +0200 | [diff] [blame] | 679 | /* use the accessors defined below */ |
| 680 | unsigned long _flags; |
Johannes Berg | 693b1bb | 2008-02-25 16:27:48 +0100 | [diff] [blame] | 681 | |
Emmanuel Grumbach | 1d147bf | 2014-02-20 09:22:11 +0200 | [diff] [blame] | 682 | /* STA powersave lock and frame queues */ |
| 683 | spinlock_t ps_lock; |
Johannes Berg | 948d887 | 2011-09-29 16:04:29 +0200 | [diff] [blame] | 684 | struct sk_buff_head ps_tx_buf[IEEE80211_NUM_ACS]; |
| 685 | struct sk_buff_head tx_filtered[IEEE80211_NUM_ACS]; |
| 686 | unsigned long driver_buffered_tids; |
Felix Fietkau | ba8c3d6 | 2015-03-27 21:30:37 +0100 | [diff] [blame] | 687 | unsigned long txq_buffered_tids; |
Johannes Berg | 693b1bb | 2008-02-25 16:27:48 +0100 | [diff] [blame] | 688 | |
Ben Greear | 9cf0233 | 2019-08-09 11:00:01 -0700 | [diff] [blame] | 689 | u64 assoc_at; |
Mohammed Shafi Shajakhan | ebe27c9 | 2011-04-08 21:24:24 +0530 | [diff] [blame] | 690 | long last_connected; |
Felix Fietkau | ef0621e | 2013-04-22 16:29:31 +0200 | [diff] [blame] | 691 | |
Johannes Berg | 9e26297 | 2011-07-07 18:45:03 +0200 | [diff] [blame] | 692 | /* Plus 1 for non-QoS frames */ |
Johannes Berg | 5a306f5 | 2012-11-14 23:22:21 +0100 | [diff] [blame] | 693 | __le16 last_seq_ctrl[IEEE80211_NUM_TIDS + 1]; |
Johannes Berg | 693b1bb | 2008-02-25 16:27:48 +0100 | [diff] [blame] | 694 | |
Johannes Berg | f591fa5 | 2008-07-10 11:21:26 +0200 | [diff] [blame] | 695 | u16 tid_seq[IEEE80211_QOS_CTL_TID_MASK + 1]; |
Johannes Berg | 693b1bb | 2008-02-25 16:27:48 +0100 | [diff] [blame] | 696 | |
Toke Høiland-Jørgensen | b4809e9 | 2018-12-18 17:02:08 -0800 | [diff] [blame] | 697 | struct airtime_info airtime[IEEE80211_NUM_ACS]; |
Felix Fietkau | 942741d | 2022-06-25 23:24:05 +0200 | [diff] [blame] | 698 | u16 airtime_weight; |
Toke Høiland-Jørgensen | b4809e9 | 2018-12-18 17:02:08 -0800 | [diff] [blame] | 699 | |
Johannes Berg | 693b1bb | 2008-02-25 16:27:48 +0100 | [diff] [blame] | 700 | /* |
Johannes Berg | 07346f81 | 2008-05-03 01:02:02 +0200 | [diff] [blame] | 701 | * Aggregation information, locked with lock. |
Johannes Berg | 693b1bb | 2008-02-25 16:27:48 +0100 | [diff] [blame] | 702 | */ |
Ron Rindjunsky | 5aae288 | 2007-12-25 17:00:32 +0200 | [diff] [blame] | 703 | struct sta_ampdu_mlme ampdu_mlme; |
Johannes Berg | 693b1bb | 2008-02-25 16:27:48 +0100 | [diff] [blame] | 704 | |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 705 | #ifdef CONFIG_MAC80211_DEBUGFS |
Johannes Berg | fc4a25c | 2016-04-05 11:59:05 +0200 | [diff] [blame] | 706 | struct dentry *debugfs_dir; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 707 | #endif |
Johannes Berg | 17741cd | 2008-09-11 00:02:02 +0200 | [diff] [blame] | 708 | |
Toke Høiland-Jørgensen | 484a54c | 2017-04-06 11:38:26 +0200 | [diff] [blame] | 709 | struct codel_params cparams; |
| 710 | |
Liad Kaufman | b6da911 | 2014-11-19 13:47:38 +0200 | [diff] [blame] | 711 | u8 reserved_tid; |
Felix Fietkau | 6e4c0d0 | 2023-02-13 11:08:55 +0100 | [diff] [blame] | 712 | s8 amsdu_mesh_control; |
Liad Kaufman | b6da911 | 2014-11-19 13:47:38 +0200 | [diff] [blame] | 713 | |
Arik Nemtsov | 0fabfaa | 2015-06-10 20:41:23 +0300 | [diff] [blame] | 714 | struct cfg80211_chan_def tdls_chandef; |
| 715 | |
Johannes Berg | 3a11ce0 | 2021-05-11 20:02:47 +0200 | [diff] [blame] | 716 | struct ieee80211_fragment_cache frags; |
| 717 | |
Benjamin Berg | 4c51541d | 2022-09-02 16:12:54 +0200 | [diff] [blame] | 718 | struct ieee80211_sta_aggregates cur; |
Sriram R | 046d2e7 | 2022-04-04 21:11:23 +0530 | [diff] [blame] | 719 | struct link_sta_info deflink; |
Johannes Berg | c71420d | 2022-06-15 09:20:45 +0200 | [diff] [blame] | 720 | struct link_sta_info __rcu *link[IEEE80211_MLD_MAX_NUM_LINKS]; |
Sriram R | 046d2e7 | 2022-04-04 21:11:23 +0530 | [diff] [blame] | 721 | |
Johannes Berg | 17741cd | 2008-09-11 00:02:02 +0200 | [diff] [blame] | 722 | /* keep last! */ |
| 723 | struct ieee80211_sta sta; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 724 | }; |
| 725 | |
Javier Cardona | 57cf804 | 2011-05-13 10:45:43 -0700 | [diff] [blame] | 726 | static inline enum nl80211_plink_state sta_plink_state(struct sta_info *sta) |
Johannes Berg | d6d1a5a | 2008-02-25 16:24:38 +0100 | [diff] [blame] | 727 | { |
| 728 | #ifdef CONFIG_MAC80211_MESH |
Johannes Berg | 433f5bc | 2015-06-17 10:31:00 +0200 | [diff] [blame] | 729 | return sta->mesh->plink_state; |
Johannes Berg | d6d1a5a | 2008-02-25 16:24:38 +0100 | [diff] [blame] | 730 | #endif |
Javier Cardona | 57cf804 | 2011-05-13 10:45:43 -0700 | [diff] [blame] | 731 | return NL80211_PLINK_LISTEN; |
Johannes Berg | d6d1a5a | 2008-02-25 16:24:38 +0100 | [diff] [blame] | 732 | } |
| 733 | |
Johannes Berg | c2c98fd | 2011-09-29 16:04:36 +0200 | [diff] [blame] | 734 | static inline void set_sta_flag(struct sta_info *sta, |
| 735 | enum ieee80211_sta_info_flags flag) |
Johannes Berg | 07346f81 | 2008-05-03 01:02:02 +0200 | [diff] [blame] | 736 | { |
Johannes Berg | d9a7ddb | 2011-12-14 12:35:30 +0100 | [diff] [blame] | 737 | WARN_ON(flag == WLAN_STA_AUTH || |
| 738 | flag == WLAN_STA_ASSOC || |
| 739 | flag == WLAN_STA_AUTHORIZED); |
Johannes Berg | c2c98fd | 2011-09-29 16:04:36 +0200 | [diff] [blame] | 740 | set_bit(flag, &sta->_flags); |
Johannes Berg | 07346f81 | 2008-05-03 01:02:02 +0200 | [diff] [blame] | 741 | } |
| 742 | |
Johannes Berg | c2c98fd | 2011-09-29 16:04:36 +0200 | [diff] [blame] | 743 | static inline void clear_sta_flag(struct sta_info *sta, |
| 744 | enum ieee80211_sta_info_flags flag) |
Johannes Berg | 07346f81 | 2008-05-03 01:02:02 +0200 | [diff] [blame] | 745 | { |
Johannes Berg | d9a7ddb | 2011-12-14 12:35:30 +0100 | [diff] [blame] | 746 | WARN_ON(flag == WLAN_STA_AUTH || |
| 747 | flag == WLAN_STA_ASSOC || |
| 748 | flag == WLAN_STA_AUTHORIZED); |
Johannes Berg | c2c98fd | 2011-09-29 16:04:36 +0200 | [diff] [blame] | 749 | clear_bit(flag, &sta->_flags); |
Johannes Berg | 07346f81 | 2008-05-03 01:02:02 +0200 | [diff] [blame] | 750 | } |
| 751 | |
Johannes Berg | c2c98fd | 2011-09-29 16:04:36 +0200 | [diff] [blame] | 752 | static inline int test_sta_flag(struct sta_info *sta, |
| 753 | enum ieee80211_sta_info_flags flag) |
Johannes Berg | 07346f81 | 2008-05-03 01:02:02 +0200 | [diff] [blame] | 754 | { |
Johannes Berg | c2c98fd | 2011-09-29 16:04:36 +0200 | [diff] [blame] | 755 | return test_bit(flag, &sta->_flags); |
Johannes Berg | 07346f81 | 2008-05-03 01:02:02 +0200 | [diff] [blame] | 756 | } |
| 757 | |
Johannes Berg | c2c98fd | 2011-09-29 16:04:36 +0200 | [diff] [blame] | 758 | static inline int test_and_clear_sta_flag(struct sta_info *sta, |
| 759 | enum ieee80211_sta_info_flags flag) |
Johannes Berg | 07346f81 | 2008-05-03 01:02:02 +0200 | [diff] [blame] | 760 | { |
Johannes Berg | d9a7ddb | 2011-12-14 12:35:30 +0100 | [diff] [blame] | 761 | WARN_ON(flag == WLAN_STA_AUTH || |
| 762 | flag == WLAN_STA_ASSOC || |
| 763 | flag == WLAN_STA_AUTHORIZED); |
Johannes Berg | c2c98fd | 2011-09-29 16:04:36 +0200 | [diff] [blame] | 764 | return test_and_clear_bit(flag, &sta->_flags); |
Johannes Berg | 07346f81 | 2008-05-03 01:02:02 +0200 | [diff] [blame] | 765 | } |
| 766 | |
Johannes Berg | e7f4a94 | 2011-11-04 11:18:20 +0100 | [diff] [blame] | 767 | static inline int test_and_set_sta_flag(struct sta_info *sta, |
| 768 | enum ieee80211_sta_info_flags flag) |
| 769 | { |
Johannes Berg | d9a7ddb | 2011-12-14 12:35:30 +0100 | [diff] [blame] | 770 | WARN_ON(flag == WLAN_STA_AUTH || |
| 771 | flag == WLAN_STA_ASSOC || |
| 772 | flag == WLAN_STA_AUTHORIZED); |
Johannes Berg | e7f4a94 | 2011-11-04 11:18:20 +0100 | [diff] [blame] | 773 | return test_and_set_bit(flag, &sta->_flags); |
| 774 | } |
| 775 | |
Johannes Berg | 83d5cc0 | 2012-01-12 09:31:10 +0100 | [diff] [blame] | 776 | int sta_info_move_state(struct sta_info *sta, |
| 777 | enum ieee80211_sta_state new_state); |
Johannes Berg | d9a7ddb | 2011-12-14 12:35:30 +0100 | [diff] [blame] | 778 | |
Johannes Berg | 83d5cc0 | 2012-01-12 09:31:10 +0100 | [diff] [blame] | 779 | static inline void sta_info_pre_move_state(struct sta_info *sta, |
| 780 | enum ieee80211_sta_state new_state) |
Johannes Berg | d9a7ddb | 2011-12-14 12:35:30 +0100 | [diff] [blame] | 781 | { |
Johannes Berg | 83d5cc0 | 2012-01-12 09:31:10 +0100 | [diff] [blame] | 782 | int ret; |
| 783 | |
| 784 | WARN_ON_ONCE(test_sta_flag(sta, WLAN_STA_INSERTED)); |
| 785 | |
| 786 | ret = sta_info_move_state(sta, new_state); |
Johannes Berg | d9a7ddb | 2011-12-14 12:35:30 +0100 | [diff] [blame] | 787 | WARN_ON_ONCE(ret); |
| 788 | } |
| 789 | |
| 790 | |
Johannes Berg | ec034b2 | 2011-05-13 13:35:40 +0200 | [diff] [blame] | 791 | void ieee80211_assign_tid_tx(struct sta_info *sta, int tid, |
| 792 | struct tid_ampdu_tx *tid_tx); |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 793 | |
Johannes Berg | 463559b | 2023-08-28 14:00:04 +0200 | [diff] [blame] | 794 | #define rcu_dereference_protected_tid_tx(sta, tid) \ |
| 795 | rcu_dereference_protected((sta)->ampdu_mlme.tid_tx[tid], \ |
| 796 | lockdep_is_held(&(sta)->lock) || \ |
| 797 | lockdep_is_held(&(sta)->local->hw.wiphy->mtx)); |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 798 | |
Johannes Berg | 948d887 | 2011-09-29 16:04:29 +0200 | [diff] [blame] | 799 | /* Maximum number of frames to buffer per power saving station per AC */ |
| 800 | #define STA_MAX_TX_BUFFER 64 |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 801 | |
| 802 | /* Minimum buffered frame expiry time. If STA uses listen interval that is |
| 803 | * smaller than this value, the minimum value here is used instead. */ |
| 804 | #define STA_TX_BUFFER_EXPIRE (10 * HZ) |
| 805 | |
| 806 | /* How often station data is cleaned up (e.g., expiration of buffered frames) |
| 807 | */ |
| 808 | #define STA_INFO_CLEANUP_INTERVAL (10 * HZ) |
| 809 | |
Herbert Xu | 83e7e4c | 2016-09-19 19:00:10 +0800 | [diff] [blame] | 810 | struct rhlist_head *sta_info_hash_lookup(struct ieee80211_local *local, |
| 811 | const u8 *addr); |
| 812 | |
Johannes Berg | d0709a6 | 2008-02-25 16:27:46 +0100 | [diff] [blame] | 813 | /* |
Johannes Berg | abe6063 | 2009-11-25 17:46:18 +0100 | [diff] [blame] | 814 | * Get a STA info, must be under RCU read lock. |
Johannes Berg | d0709a6 | 2008-02-25 16:27:46 +0100 | [diff] [blame] | 815 | */ |
Johannes Berg | abe6063 | 2009-11-25 17:46:18 +0100 | [diff] [blame] | 816 | struct sta_info *sta_info_get(struct ieee80211_sub_if_data *sdata, |
| 817 | const u8 *addr); |
| 818 | |
Felix Fietkau | 0e5ded5 | 2010-01-08 18:10:58 +0100 | [diff] [blame] | 819 | struct sta_info *sta_info_get_bss(struct ieee80211_sub_if_data *sdata, |
| 820 | const u8 *addr); |
| 821 | |
Johannes Berg | 4d3acf4 | 2023-08-28 14:00:01 +0200 | [diff] [blame] | 822 | /* user must hold wiphy mutex or be in RCU critical section */ |
Toke Høiland-Jørgensen | 5072f73 | 2019-11-12 14:08:35 +0100 | [diff] [blame] | 823 | struct sta_info *sta_info_get_by_addrs(struct ieee80211_local *local, |
| 824 | const u8 *sta_addr, const u8 *vif_addr); |
| 825 | |
Herbert Xu | 83e7e4c | 2016-09-19 19:00:10 +0800 | [diff] [blame] | 826 | #define for_each_sta_info(local, _addr, _sta, _tmp) \ |
| 827 | rhl_for_each_entry_rcu(_sta, _tmp, \ |
| 828 | sta_info_hash_lookup(local, _addr), hash_node) |
Johannes Berg | abe6063 | 2009-11-25 17:46:18 +0100 | [diff] [blame] | 829 | |
Johannes Berg | ba6ddab | 2022-06-14 13:07:42 +0200 | [diff] [blame] | 830 | struct rhlist_head *link_sta_info_hash_lookup(struct ieee80211_local *local, |
| 831 | const u8 *addr); |
| 832 | |
| 833 | #define for_each_link_sta_info(local, _addr, _sta, _tmp) \ |
| 834 | rhl_for_each_entry_rcu(_sta, _tmp, \ |
| 835 | link_sta_info_hash_lookup(local, _addr), \ |
| 836 | link_hash_node) |
| 837 | |
| 838 | struct link_sta_info * |
| 839 | link_sta_info_get_bss(struct ieee80211_sub_if_data *sdata, const u8 *addr); |
| 840 | |
Johannes Berg | d0709a6 | 2008-02-25 16:27:46 +0100 | [diff] [blame] | 841 | /* |
| 842 | * Get STA info by index, BROKEN! |
| 843 | */ |
Johannes Berg | 3b53fde8 | 2009-11-16 12:00:37 +0100 | [diff] [blame] | 844 | struct sta_info *sta_info_get_by_idx(struct ieee80211_sub_if_data *sdata, |
| 845 | int idx); |
Johannes Berg | d0709a6 | 2008-02-25 16:27:46 +0100 | [diff] [blame] | 846 | /* |
Johannes Berg | 73651ee | 2008-02-25 16:27:47 +0100 | [diff] [blame] | 847 | * Create a new STA info, caller owns returned structure |
| 848 | * until sta_info_insert(). |
Johannes Berg | d0709a6 | 2008-02-25 16:27:46 +0100 | [diff] [blame] | 849 | */ |
Johannes Berg | 73651ee | 2008-02-25 16:27:47 +0100 | [diff] [blame] | 850 | struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata, |
Johannes Berg | f36fe0a | 2022-07-14 23:40:47 +0200 | [diff] [blame] | 851 | const u8 *addr, gfp_t gfp); |
| 852 | struct sta_info *sta_info_alloc_with_link(struct ieee80211_sub_if_data *sdata, |
| 853 | const u8 *mld_addr, |
| 854 | unsigned int link_id, |
| 855 | const u8 *link_addr, |
| 856 | gfp_t gfp); |
Johannes Berg | d9a7ddb | 2011-12-14 12:35:30 +0100 | [diff] [blame] | 857 | |
| 858 | void sta_info_free(struct ieee80211_local *local, struct sta_info *sta); |
| 859 | |
Johannes Berg | 73651ee | 2008-02-25 16:27:47 +0100 | [diff] [blame] | 860 | /* |
| 861 | * Insert STA info into hash table/list, returns zero or a |
| 862 | * -EEXIST if (if the same MAC address is already present). |
| 863 | * |
Johannes Berg | 34e8950 | 2010-02-03 13:59:58 +0100 | [diff] [blame] | 864 | * Calling the non-rcu version makes the caller relinquish, |
| 865 | * the _rcu version calls read_lock_rcu() and must be called |
| 866 | * without it held. |
Johannes Berg | 73651ee | 2008-02-25 16:27:47 +0100 | [diff] [blame] | 867 | */ |
| 868 | int sta_info_insert(struct sta_info *sta); |
Johannes Berg | 34e8950 | 2010-02-03 13:59:58 +0100 | [diff] [blame] | 869 | int sta_info_insert_rcu(struct sta_info *sta) __acquires(RCU); |
Johannes Berg | d0709a6 | 2008-02-25 16:27:46 +0100 | [diff] [blame] | 870 | |
Johannes Berg | 83d5cc0 | 2012-01-12 09:31:10 +0100 | [diff] [blame] | 871 | int __must_check __sta_info_destroy(struct sta_info *sta); |
Johannes Berg | 34e8950 | 2010-02-03 13:59:58 +0100 | [diff] [blame] | 872 | int sta_info_destroy_addr(struct ieee80211_sub_if_data *sdata, |
| 873 | const u8 *addr); |
| 874 | int sta_info_destroy_addr_bss(struct ieee80211_sub_if_data *sdata, |
| 875 | const u8 *addr); |
| 876 | |
Johannes Berg | c868cb35 | 2011-09-29 16:04:27 +0200 | [diff] [blame] | 877 | void sta_info_recalc_tim(struct sta_info *sta); |
Johannes Berg | d0709a6 | 2008-02-25 16:27:46 +0100 | [diff] [blame] | 878 | |
Johannes Berg | 7bedd0c | 2015-02-13 21:55:15 +0100 | [diff] [blame] | 879 | int sta_info_init(struct ieee80211_local *local); |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 880 | void sta_info_stop(struct ieee80211_local *local); |
Johannes Berg | 051007d | 2012-12-13 23:49:02 +0100 | [diff] [blame] | 881 | |
| 882 | /** |
Mauro Carvalho Chehab | b1e8eb1 | 2020-10-23 18:33:08 +0200 | [diff] [blame] | 883 | * __sta_info_flush - flush matching STA entries from the STA table |
Johannes Berg | 051007d | 2012-12-13 23:49:02 +0100 | [diff] [blame] | 884 | * |
| 885 | * Returns the number of removed STA entries. |
| 886 | * |
| 887 | * @sdata: sdata to remove all stations from |
Johannes Berg | e716251 | 2013-12-04 23:18:37 +0100 | [diff] [blame] | 888 | * @vlans: if the given interface is an AP interface, also flush VLANs |
Johannes Berg | 051007d | 2012-12-13 23:49:02 +0100 | [diff] [blame] | 889 | */ |
Johannes Berg | e716251 | 2013-12-04 23:18:37 +0100 | [diff] [blame] | 890 | int __sta_info_flush(struct ieee80211_sub_if_data *sdata, bool vlans); |
| 891 | |
Mauro Carvalho Chehab | b1e8eb1 | 2020-10-23 18:33:08 +0200 | [diff] [blame] | 892 | /** |
| 893 | * sta_info_flush - flush matching STA entries from the STA table |
| 894 | * |
| 895 | * Returns the number of removed STA entries. |
| 896 | * |
| 897 | * @sdata: sdata to remove all stations from |
| 898 | */ |
Johannes Berg | e716251 | 2013-12-04 23:18:37 +0100 | [diff] [blame] | 899 | static inline int sta_info_flush(struct ieee80211_sub_if_data *sdata) |
| 900 | { |
| 901 | return __sta_info_flush(sdata, false); |
| 902 | } |
Johannes Berg | 051007d | 2012-12-13 23:49:02 +0100 | [diff] [blame] | 903 | |
Thomas Pedersen | 6b62bf3 | 2012-03-05 15:31:48 -0800 | [diff] [blame] | 904 | void sta_set_rate_info_tx(struct sta_info *sta, |
| 905 | const struct ieee80211_tx_rate *rate, |
| 906 | struct rate_info *rinfo); |
Johannes Berg | 0fdf149 | 2018-05-18 11:40:44 +0200 | [diff] [blame] | 907 | void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo, |
| 908 | bool tidstats); |
Johannes Berg | b7ffbd7 | 2014-06-04 17:31:56 +0200 | [diff] [blame] | 909 | |
Maxim Altshul | 3b17fbf | 2016-07-11 17:15:24 +0300 | [diff] [blame] | 910 | u32 sta_get_expected_throughput(struct sta_info *sta); |
| 911 | |
Johannes Berg | 24723d1 | 2008-09-11 00:01:46 +0200 | [diff] [blame] | 912 | void ieee80211_sta_expire(struct ieee80211_sub_if_data *sdata, |
| 913 | unsigned long exp_time); |
Johannes Berg | 004c872 | 2008-02-20 11:21:35 +0100 | [diff] [blame] | 914 | |
Johannes Berg | cb71f1d | 2022-05-31 23:20:08 +0200 | [diff] [blame] | 915 | int ieee80211_sta_allocate_link(struct sta_info *sta, unsigned int link_id); |
Shaul Triebitz | 21476ad | 2022-06-14 17:27:03 +0300 | [diff] [blame] | 916 | void ieee80211_sta_free_link(struct sta_info *sta, unsigned int link_id); |
Johannes Berg | cb71f1d | 2022-05-31 23:20:08 +0200 | [diff] [blame] | 917 | int ieee80211_sta_activate_link(struct sta_info *sta, unsigned int link_id); |
| 918 | void ieee80211_sta_remove_link(struct sta_info *sta, unsigned int link_id); |
| 919 | |
Johannes Berg | af81858 | 2009-11-06 11:35:50 +0100 | [diff] [blame] | 920 | void ieee80211_sta_ps_deliver_wakeup(struct sta_info *sta); |
| 921 | void ieee80211_sta_ps_deliver_poll_response(struct sta_info *sta); |
Johannes Berg | 47086fc | 2011-09-29 16:04:33 +0200 | [diff] [blame] | 922 | void ieee80211_sta_ps_deliver_uapsd(struct sta_info *sta); |
Johannes Berg | af81858 | 2009-11-06 11:35:50 +0100 | [diff] [blame] | 923 | |
Johannes Berg | b8da6b6 | 2016-03-31 20:02:07 +0300 | [diff] [blame] | 924 | unsigned long ieee80211_sta_last_active(struct sta_info *sta); |
| 925 | |
Johannes Berg | 175ad2e | 2022-07-13 18:08:03 +0200 | [diff] [blame] | 926 | void ieee80211_sta_set_max_amsdu_subframes(struct sta_info *sta, |
| 927 | const u8 *ext_capab, |
| 928 | unsigned int ext_capab_len); |
| 929 | |
Johannes Berg | 9b41a9d | 2022-10-05 13:52:26 +0200 | [diff] [blame] | 930 | void __ieee80211_sta_recalc_aggregates(struct sta_info *sta, u16 active_links); |
| 931 | |
Johannes Berg | dcba665 | 2017-04-26 14:51:20 +0200 | [diff] [blame] | 932 | enum sta_stats_type { |
| 933 | STA_STATS_RATE_TYPE_INVALID = 0, |
| 934 | STA_STATS_RATE_TYPE_LEGACY, |
| 935 | STA_STATS_RATE_TYPE_HT, |
| 936 | STA_STATS_RATE_TYPE_VHT, |
Luca Coelho | 41cbb0f | 2018-06-09 09:14:44 +0300 | [diff] [blame] | 937 | STA_STATS_RATE_TYPE_HE, |
Thomas Pedersen | 12bf8fa | 2020-10-05 09:45:22 -0700 | [diff] [blame] | 938 | STA_STATS_RATE_TYPE_S1G, |
Johannes Berg | f66c48a | 2023-01-09 13:07:21 +0200 | [diff] [blame] | 939 | STA_STATS_RATE_TYPE_EHT, |
Johannes Berg | dcba665 | 2017-04-26 14:51:20 +0200 | [diff] [blame] | 940 | }; |
| 941 | |
| 942 | #define STA_STATS_FIELD_HT_MCS GENMASK( 7, 0) |
| 943 | #define STA_STATS_FIELD_LEGACY_IDX GENMASK( 3, 0) |
| 944 | #define STA_STATS_FIELD_LEGACY_BAND GENMASK( 7, 4) |
| 945 | #define STA_STATS_FIELD_VHT_MCS GENMASK( 3, 0) |
| 946 | #define STA_STATS_FIELD_VHT_NSS GENMASK( 7, 4) |
Luca Coelho | 41cbb0f | 2018-06-09 09:14:44 +0300 | [diff] [blame] | 947 | #define STA_STATS_FIELD_HE_MCS GENMASK( 3, 0) |
| 948 | #define STA_STATS_FIELD_HE_NSS GENMASK( 7, 4) |
Johannes Berg | f66c48a | 2023-01-09 13:07:21 +0200 | [diff] [blame] | 949 | #define STA_STATS_FIELD_EHT_MCS GENMASK( 3, 0) |
| 950 | #define STA_STATS_FIELD_EHT_NSS GENMASK( 7, 4) |
| 951 | #define STA_STATS_FIELD_BW GENMASK(12, 8) |
| 952 | #define STA_STATS_FIELD_SGI GENMASK(13, 13) |
| 953 | #define STA_STATS_FIELD_TYPE GENMASK(16, 14) |
| 954 | #define STA_STATS_FIELD_HE_RU GENMASK(19, 17) |
| 955 | #define STA_STATS_FIELD_HE_GI GENMASK(21, 20) |
| 956 | #define STA_STATS_FIELD_HE_DCM GENMASK(22, 22) |
| 957 | #define STA_STATS_FIELD_EHT_RU GENMASK(20, 17) |
| 958 | #define STA_STATS_FIELD_EHT_GI GENMASK(22, 21) |
Johannes Berg | dcba665 | 2017-04-26 14:51:20 +0200 | [diff] [blame] | 959 | |
| 960 | #define STA_STATS_FIELD(_n, _v) FIELD_PREP(STA_STATS_FIELD_ ## _n, _v) |
| 961 | #define STA_STATS_GET(_n, _v) FIELD_GET(STA_STATS_FIELD_ ## _n, _v) |
| 962 | |
Johannes Berg | 4f6b1b3 | 2016-03-31 20:02:08 +0300 | [diff] [blame] | 963 | #define STA_STATS_RATE_INVALID 0 |
Johannes Berg | 4f6b1b3 | 2016-03-31 20:02:08 +0300 | [diff] [blame] | 964 | |
Johannes Berg | dcba665 | 2017-04-26 14:51:20 +0200 | [diff] [blame] | 965 | static inline u32 sta_stats_encode_rate(struct ieee80211_rx_status *s) |
Johannes Berg | 4f6b1b3 | 2016-03-31 20:02:08 +0300 | [diff] [blame] | 966 | { |
Luca Coelho | 41cbb0f | 2018-06-09 09:14:44 +0300 | [diff] [blame] | 967 | u32 r; |
Johannes Berg | 4f6b1b3 | 2016-03-31 20:02:08 +0300 | [diff] [blame] | 968 | |
Johannes Berg | dcba665 | 2017-04-26 14:51:20 +0200 | [diff] [blame] | 969 | r = STA_STATS_FIELD(BW, s->bw); |
Johannes Berg | 4f6b1b3 | 2016-03-31 20:02:08 +0300 | [diff] [blame] | 970 | |
Johannes Berg | 7fdd69c | 2017-04-26 11:13:00 +0200 | [diff] [blame] | 971 | if (s->enc_flags & RX_ENC_FLAG_SHORT_GI) |
Johannes Berg | dcba665 | 2017-04-26 14:51:20 +0200 | [diff] [blame] | 972 | r |= STA_STATS_FIELD(SGI, 1); |
Johannes Berg | 4f6b1b3 | 2016-03-31 20:02:08 +0300 | [diff] [blame] | 973 | |
Johannes Berg | da6a435 | 2017-04-26 12:14:59 +0200 | [diff] [blame] | 974 | switch (s->encoding) { |
| 975 | case RX_ENC_VHT: |
Johannes Berg | dcba665 | 2017-04-26 14:51:20 +0200 | [diff] [blame] | 976 | r |= STA_STATS_FIELD(TYPE, STA_STATS_RATE_TYPE_VHT); |
| 977 | r |= STA_STATS_FIELD(VHT_NSS, s->nss); |
| 978 | r |= STA_STATS_FIELD(VHT_MCS, s->rate_idx); |
Johannes Berg | da6a435 | 2017-04-26 12:14:59 +0200 | [diff] [blame] | 979 | break; |
| 980 | case RX_ENC_HT: |
Johannes Berg | dcba665 | 2017-04-26 14:51:20 +0200 | [diff] [blame] | 981 | r |= STA_STATS_FIELD(TYPE, STA_STATS_RATE_TYPE_HT); |
| 982 | r |= STA_STATS_FIELD(HT_MCS, s->rate_idx); |
| 983 | break; |
| 984 | case RX_ENC_LEGACY: |
| 985 | r |= STA_STATS_FIELD(TYPE, STA_STATS_RATE_TYPE_LEGACY); |
| 986 | r |= STA_STATS_FIELD(LEGACY_BAND, s->band); |
| 987 | r |= STA_STATS_FIELD(LEGACY_IDX, s->rate_idx); |
Johannes Berg | da6a435 | 2017-04-26 12:14:59 +0200 | [diff] [blame] | 988 | break; |
Luca Coelho | 41cbb0f | 2018-06-09 09:14:44 +0300 | [diff] [blame] | 989 | case RX_ENC_HE: |
| 990 | r |= STA_STATS_FIELD(TYPE, STA_STATS_RATE_TYPE_HE); |
| 991 | r |= STA_STATS_FIELD(HE_NSS, s->nss); |
| 992 | r |= STA_STATS_FIELD(HE_MCS, s->rate_idx); |
| 993 | r |= STA_STATS_FIELD(HE_GI, s->he_gi); |
| 994 | r |= STA_STATS_FIELD(HE_RU, s->he_ru); |
| 995 | r |= STA_STATS_FIELD(HE_DCM, s->he_dcm); |
| 996 | break; |
Johannes Berg | f66c48a | 2023-01-09 13:07:21 +0200 | [diff] [blame] | 997 | case RX_ENC_EHT: |
| 998 | r |= STA_STATS_FIELD(TYPE, STA_STATS_RATE_TYPE_EHT); |
| 999 | r |= STA_STATS_FIELD(EHT_NSS, s->nss); |
| 1000 | r |= STA_STATS_FIELD(EHT_MCS, s->rate_idx); |
| 1001 | r |= STA_STATS_FIELD(EHT_GI, s->eht.gi); |
| 1002 | r |= STA_STATS_FIELD(EHT_RU, s->eht.ru); |
| 1003 | break; |
Johannes Berg | da6a435 | 2017-04-26 12:14:59 +0200 | [diff] [blame] | 1004 | default: |
| 1005 | WARN_ON(1); |
Johannes Berg | dcba665 | 2017-04-26 14:51:20 +0200 | [diff] [blame] | 1006 | return STA_STATS_RATE_INVALID; |
Johannes Berg | da6a435 | 2017-04-26 12:14:59 +0200 | [diff] [blame] | 1007 | } |
Johannes Berg | 4f6b1b3 | 2016-03-31 20:02:08 +0300 | [diff] [blame] | 1008 | |
| 1009 | return r; |
| 1010 | } |
| 1011 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 1012 | #endif /* STA_INFO_H */ |