1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Copyright 2002-2005, Devicescape Software, Inc. 4 * Copyright 2013-2014 Intel Mobile Communications GmbH 5 * Copyright(c) 2015-2017 Intel Deutschland GmbH 6 * Copyright(c) 2020-2026 Intel Corporation 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> 15 #include <linux/workqueue.h> 16 #include <linux/average.h> 17 #include <linux/bitfield.h> 18 #include <linux/etherdevice.h> 19 #include <linux/rhashtable.h> 20 #include <linux/u64_stats_sync.h> 21 #include "key.h" 22 23 /** 24 * enum ieee80211_sta_info_flags - Stations flags 25 * 26 * These flags are used with &struct sta_info's @flags member, but 27 * only indirectly with set_sta_flag() and friends. 28 * 29 * @WLAN_STA_AUTH: Station is authenticated. 30 * @WLAN_STA_ASSOC: Station is associated. 31 * @WLAN_STA_PS_STA: Station is in power-save mode 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. 37 * @WLAN_STA_WDS: Station is one of our WDS peers. 38 * @WLAN_STA_CLEAR_PS_FILT: Clear PS filter in hardware (using the 39 * IEEE80211_TX_CTL_CLEAR_PS_FILT control flag) when the next 40 * frame to this station is transmitted. 41 * @WLAN_STA_MFP: Management frame protection is used with this STA. 42 * @WLAN_STA_BLOCK_BA: Used to deny ADDBA requests (both TX and RX) 43 * during suspend/resume and station removal. 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. 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. 52 * @WLAN_STA_TDLS_INITIATOR: We are the initiator of the TDLS link with this 53 * station. 54 * @WLAN_STA_TDLS_CHAN_SWITCH: This TDLS peer supports TDLS channel-switching 55 * @WLAN_STA_TDLS_OFF_CHANNEL: The local STA is currently off-channel with this 56 * TDLS peer 57 * @WLAN_STA_TDLS_WIDER_BW: This TDLS peer supports working on a wider bw on 58 * the BSS base channel. 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 63 * reply to other uAPSD trigger frames or PS-Poll. 64 * @WLAN_STA_4ADDR_EVENT: 4-addr event was already sent for this frame. 65 * @WLAN_STA_INSERTED: This station is inserted into the hash table. 66 * @WLAN_STA_RATE_CONTROL: rate control was initialized for this station. 67 * @WLAN_STA_TOFFSET_KNOWN: toffset calculated for this station is valid. 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. 70 * @WLAN_STA_PS_DELIVER: station woke up, but we're still blocking TX 71 * until pending frames are delivered 72 * @WLAN_STA_USES_ENCRYPTION: This station was configured for encryption, 73 * so drop all packets without a key later. 74 * @WLAN_STA_DECAP_OFFLOAD: This station uses rx decap offload 75 * 76 * @NUM_WLAN_STA_FLAGS: number of defined flags 77 */ 78 enum ieee80211_sta_info_flags { 79 WLAN_STA_AUTH, 80 WLAN_STA_ASSOC, 81 WLAN_STA_PS_STA, 82 WLAN_STA_AUTHORIZED, 83 WLAN_STA_SHORT_PREAMBLE, 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, 92 WLAN_STA_TDLS_INITIATOR, 93 WLAN_STA_TDLS_CHAN_SWITCH, 94 WLAN_STA_TDLS_OFF_CHANNEL, 95 WLAN_STA_TDLS_WIDER_BW, 96 WLAN_STA_UAPSD, 97 WLAN_STA_SP, 98 WLAN_STA_4ADDR_EVENT, 99 WLAN_STA_INSERTED, 100 WLAN_STA_RATE_CONTROL, 101 WLAN_STA_TOFFSET_KNOWN, 102 WLAN_STA_MPSP_OWNER, 103 WLAN_STA_MPSP_RECIPIENT, 104 WLAN_STA_PS_DELIVER, 105 WLAN_STA_USES_ENCRYPTION, 106 WLAN_STA_DECAP_OFFLOAD, 107 108 NUM_WLAN_STA_FLAGS, 109 }; 110 111 #define ADDBA_RESP_INTERVAL HZ 112 #define HT_AGG_MAX_RETRIES 15 113 #define HT_AGG_BURST_RETRIES 3 114 #define HT_AGG_RETRIES_PERIOD (15 * HZ) 115 116 #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 3 120 #define HT_AGG_STATE_WANT_START 4 121 #define HT_AGG_STATE_WANT_STOP 5 122 #define HT_AGG_STATE_START_CB 6 123 #define HT_AGG_STATE_STOP_CB 7 124 #define HT_AGG_STATE_SENT_ADDBA 8 125 126 DECLARE_EWMA(avg_signal, 10, 8) 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 }; 133 134 /* 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; 141 unsigned long last_active; 142 s32 deficit; 143 atomic_t aql_tx_pending; /* Estimated airtime for frames pending */ 144 u32 aql_limit_low; 145 u32 aql_limit_high; 146 }; 147 148 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 bool mcast); 152 153 struct sta_info; 154 155 /** 156 * struct tid_ampdu_tx - TID aggregation information (Tx). 157 * 158 * @rcu_head: rcu head for freeing structure 159 * @session_timer: check if we keep Tx-ing on the TID (by timeout value) 160 * @addba_resp_timer: timer for peer's response to addba request 161 * @pending: pending frames queue -- use sta's spinlock to protect 162 * @sta: station we are attached to 163 * @dialog_token: dialog token for aggregation session 164 * @timeout: session timeout value to be filled in ADDBA requests 165 * @tid: TID number 166 * @state: session state (see above) 167 * @last_tx: jiffies of last tx activity 168 * @stop_initiator: initiator of a session stop 169 * @tx_stop: TX DelBA frame when stopping 170 * @buf_size: reorder buffer size at receiver 171 * @failed_bar_ssn: ssn of the last failed BAR tx attempt 172 * @bar_pending: BAR needs to be re-sent 173 * @amsdu: support A-MSDU within A-MDPU 174 * @ssn: starting sequence number of the session 175 * @ndp: this session is using NDP Block ACKs 176 * 177 * This structure's lifetime is managed by RCU, assignments to 178 * the array holding it must hold the aggregation mutex. 179 * 180 * The TX path can access it under RCU lock-free if, and 181 * only if, the state has the flag %HT_AGG_STATE_OPERATIONAL 182 * set. Otherwise, the TX path must also acquire the spinlock 183 * and re-check the state, see comments in the tx code 184 * touching it. 185 */ 186 struct tid_ampdu_tx { 187 struct rcu_head rcu_head; 188 struct timer_list session_timer; 189 struct timer_list addba_resp_timer; 190 struct sk_buff_head pending; 191 struct sta_info *sta; 192 unsigned long state; 193 unsigned long last_tx; 194 u16 timeout; 195 u8 dialog_token; 196 u8 stop_initiator; 197 bool tx_stop; 198 u16 buf_size; 199 u16 ssn; 200 201 u16 failed_bar_ssn; 202 bool bar_pending; 203 bool amsdu; 204 bool ndp; 205 u8 tid; 206 }; 207 208 /** 209 * struct tid_ampdu_rx - TID aggregation information (Rx). 210 * 211 * @reorder_buf_filtered: bitmap indicating where there are filtered frames in 212 * the reorder buffer that should be ignored when releasing frames 213 * @session_timer: check if peer keeps Tx-ing on the TID (by timeout value) 214 * @reorder_timer: releases expired frames from the reorder buffer. 215 * @sta: station we are attached to 216 * @last_rx: jiffies of last rx activity 217 * @head_seq_num: head sequence number in reordering buffer. 218 * @stored_mpdu_num: number of MPDUs in reordering buffer 219 * @ssn: Starting Sequence Number expected to be aggregated. 220 * @buf_size: buffer size for incoming A-MPDUs 221 * @timeout: reset timer value (in TUs). 222 * @tid: TID number 223 * @rcu_head: RCU head used for freeing this struct 224 * @reorder_lock: serializes access to reorder buffer, see below. 225 * @auto_seq: used for offloaded BA sessions to automatically pick head_seq_and 226 * and ssn. 227 * @removed: this session is removed (but might have been found due to RCU) 228 * @started: this session has started (head ssn or higher was received) 229 * @reorder: reorder buffer entries 230 * @reorder.buf: &struct sk_buff_head for the frames, since there could be 231 * multiple at each entry from an A-MSDU reported as individual subframes 232 * @reorder.time: time when this entry was filled (jiffies) 233 * 234 * This structure's lifetime is managed by RCU, assignments to 235 * the array holding it must hold the aggregation mutex. 236 * 237 * The @reorder_lock is used to protect the members of this 238 * struct, except for @timeout, @buf_size and @dialog_token, 239 * which are constant across the lifetime of the struct (the 240 * dialog token being used only for debugging). 241 */ 242 struct tid_ampdu_rx { 243 struct rcu_head rcu_head; 244 spinlock_t reorder_lock; 245 u64 reorder_buf_filtered; 246 struct sta_info *sta; 247 struct timer_list session_timer; 248 struct timer_list reorder_timer; 249 unsigned long last_rx; 250 u16 head_seq_num; 251 u16 stored_mpdu_num; 252 u16 ssn; 253 u16 buf_size; 254 u16 timeout; 255 u8 tid; 256 u8 auto_seq:1, 257 removed:1, 258 started:1; 259 struct { 260 struct sk_buff_head buf; 261 unsigned long time; 262 } reorder[]; 263 }; 264 265 /** 266 * struct sta_ampdu_mlme - STA aggregation information. 267 * 268 * @tid_rx: aggregation info for Rx per TID -- RCU protected 269 * @tid_rx_token: dialog tokens for valid aggregation sessions 270 * @tid_rx_timer_expired: bitmap indicating on which TIDs the 271 * RX timer expired until the work for it runs 272 * @tid_rx_stop_requested: bitmap indicating which BA sessions per TID the 273 * driver requested to close until the work for it runs 274 * @tid_rx_manage_offl: bitmap indicating which BA sessions were requested 275 * to be treated as started/stopped due to offloading 276 * @agg_session_valid: bitmap indicating which TID has a rx BA session open on 277 * @unexpected_agg: bitmap indicating which TID already sent a delBA due to 278 * unexpected aggregation related frames outside a session 279 * @work: work struct for starting/stopping aggregation 280 * @tid_tx: aggregation info for Tx per TID 281 * @tid_start_tx: sessions where start was requested, not just protected 282 * by wiphy mutex but also sta->lock 283 * @last_addba_req_time: timestamp of the last addBA request. 284 * @addba_req_num: number of times addBA request has been sent. 285 * @dialog_token_allocator: dialog token enumerator for each new session; 286 */ 287 struct sta_ampdu_mlme { 288 /* rx */ 289 struct tid_ampdu_rx __rcu *tid_rx[IEEE80211_NUM_TIDS]; 290 u8 tid_rx_token[IEEE80211_NUM_TIDS]; 291 unsigned long tid_rx_timer_expired[BITS_TO_LONGS(IEEE80211_NUM_TIDS)]; 292 unsigned long tid_rx_stop_requested[BITS_TO_LONGS(IEEE80211_NUM_TIDS)]; 293 unsigned long tid_rx_manage_offl[BITS_TO_LONGS(2 * IEEE80211_NUM_TIDS)]; 294 unsigned long agg_session_valid[BITS_TO_LONGS(IEEE80211_NUM_TIDS)]; 295 unsigned long unexpected_agg[BITS_TO_LONGS(IEEE80211_NUM_TIDS)]; 296 /* tx */ 297 struct wiphy_work work; 298 struct tid_ampdu_tx __rcu *tid_tx[IEEE80211_NUM_TIDS]; 299 struct tid_ampdu_tx *tid_start_tx[IEEE80211_NUM_TIDS]; 300 unsigned long last_addba_req_time[IEEE80211_NUM_TIDS]; 301 u8 addba_req_num[IEEE80211_NUM_TIDS]; 302 u8 dialog_token_allocator; 303 }; 304 305 306 /* Value to indicate no TID reservation */ 307 #define IEEE80211_TID_UNRESERVED 0xff 308 309 #define IEEE80211_FAST_XMIT_MAX_IV 18 310 311 /** 312 * struct ieee80211_fast_tx - TX fastpath information 313 * @key: key to use for hw crypto 314 * @hdr: the 802.11 header to put with the frame 315 * @hdr_len: actual 802.11 header length 316 * @sa_offs: offset of the SA 317 * @da_offs: offset of the DA 318 * @pn_offs: offset where to put PN for crypto (or 0 if not needed) 319 * @band: band this will be transmitted on, for tx_info 320 * @rcu_head: RCU head to free this struct 321 * 322 * This struct is small enough so that the common case (maximum crypto 323 * header length of 8 like for CCMP/GCMP) fits into a single 64-byte 324 * cache line. 325 */ 326 struct ieee80211_fast_tx { 327 struct ieee80211_key *key; 328 u8 hdr_len; 329 u8 sa_offs, da_offs, pn_offs; 330 u8 band; 331 u8 hdr[30 + 2 + IEEE80211_FAST_XMIT_MAX_IV + 332 sizeof(rfc1042_header)] __aligned(2); 333 334 struct rcu_head rcu_head; 335 }; 336 337 /** 338 * struct ieee80211_fast_rx - RX fastpath information 339 * @dev: netdevice for reporting the SKB 340 * @vif_type: (P2P-less) interface type of the original sdata (sdata->vif.type) 341 * @vif_addr: interface address 342 * @rfc1042_hdr: copy of the RFC 1042 SNAP header (to have in cache) 343 * @control_port_protocol: control port protocol copied from sdata 344 * @expected_ds_bits: from/to DS bits expected 345 * @icv_len: length of the MIC if present 346 * @key: bool indicating encryption is expected (key is set) 347 * @internal_forward: forward froms internally on AP/VLAN type interfaces 348 * @uses_rss: copy of USES_RSS hw flag 349 * @da_offs: offset of the DA in the header (for header conversion) 350 * @sa_offs: offset of the SA in the header (for header conversion) 351 * @rcu_head: RCU head for freeing this structure 352 */ 353 struct ieee80211_fast_rx { 354 struct net_device *dev; 355 enum nl80211_iftype vif_type; 356 u8 vif_addr[ETH_ALEN] __aligned(2); 357 u8 rfc1042_hdr[6] __aligned(2); 358 __be16 control_port_protocol; 359 __le16 expected_ds_bits; 360 u8 icv_len; 361 u8 key:1, 362 internal_forward:1, 363 uses_rss:1; 364 u8 da_offs, sa_offs; 365 366 struct rcu_head rcu_head; 367 }; 368 369 /* we use only values in the range 0-100, so pick a large precision */ 370 DECLARE_EWMA(mesh_fail_avg, 20, 8) 371 DECLARE_EWMA(mesh_tx_rate_avg, 8, 16) 372 373 /** 374 * struct mesh_sta - mesh STA information 375 * @plink_lock: serialize access to plink fields 376 * @llid: Local link ID 377 * @plid: Peer link ID 378 * @aid: local aid supplied by peer 379 * @reason: Cancel reason on PLINK_HOLDING state 380 * @plink_retries: Retries in establishment 381 * @plink_state: peer link state 382 * @plink_timeout: timeout of peer link 383 * @plink_timer: peer link watch timer 384 * @plink_sta: peer link watch timer's sta_info 385 * @t_offset: timing offset relative to this host 386 * @t_offset_setpoint: reference timing offset of this sta to be used when 387 * calculating clockdrift 388 * @local_pm: local link-specific power save mode 389 * @peer_pm: peer-specific power save mode towards local STA 390 * @nonpeer_pm: STA power save mode towards non-peer neighbors 391 * @processed_beacon: set to true after peer rates and capabilities are 392 * processed 393 * @connected_to_gate: true if mesh STA has a path to a mesh gate 394 * @connected_to_as: true if mesh STA has a path to a authentication server 395 * @fail_avg: moving percentage of failed MSDUs 396 * @tx_rate_avg: moving average of tx bitrate 397 */ 398 struct mesh_sta { 399 struct timer_list plink_timer; 400 struct sta_info *plink_sta; 401 402 s64 t_offset; 403 s64 t_offset_setpoint; 404 405 spinlock_t plink_lock; 406 u16 llid; 407 u16 plid; 408 u16 aid; 409 u16 reason; 410 u8 plink_retries; 411 412 bool processed_beacon; 413 bool connected_to_gate; 414 bool connected_to_as; 415 416 enum nl80211_plink_state plink_state; 417 u32 plink_timeout; 418 419 /* mesh power save */ 420 enum nl80211_mesh_power_mode local_pm; 421 enum nl80211_mesh_power_mode peer_pm; 422 enum nl80211_mesh_power_mode nonpeer_pm; 423 424 /* moving percentage of failed MSDUs */ 425 struct ewma_mesh_fail_avg fail_avg; 426 /* moving average of tx bitrate */ 427 struct ewma_mesh_tx_rate_avg tx_rate_avg; 428 }; 429 430 DECLARE_EWMA(signal, 10, 8) 431 432 struct ieee80211_sta_rx_stats { 433 unsigned long packets; 434 unsigned long last_rx; 435 unsigned long num_duplicates; 436 unsigned long fragments; 437 unsigned long dropped; 438 int last_signal; 439 u8 chains; 440 s8 chain_signal_last[IEEE80211_MAX_CHAINS]; 441 u32 last_rate; 442 struct u64_stats_sync syncp; 443 u64_stats_t bytes; 444 u64_stats_t msdu[IEEE80211_NUM_TIDS + 1]; 445 }; 446 447 /* 448 * IEEE 802.11-2016 (10.6 "Defragmentation") recommends support for "concurrent 449 * reception of at least one MSDU per access category per associated STA" 450 * on APs, or "at least one MSDU per access category" on other interface types. 451 * 452 * This limit can be increased by changing this define, at the cost of slower 453 * frame reassembly and increased memory use while fragments are pending. 454 */ 455 #define IEEE80211_FRAGMENT_MAX 4 456 457 struct ieee80211_fragment_entry { 458 struct sk_buff_head skb_list; 459 unsigned long first_frag_time; 460 u16 seq; 461 u16 extra_len; 462 u16 last_frag; 463 u8 rx_queue; 464 u8 check_sequential_pn:1, /* needed for CCMP/GCMP */ 465 is_protected:1; 466 u8 last_pn[6]; /* PN of the last fragment if CCMP was used */ 467 unsigned int key_color; 468 }; 469 470 struct ieee80211_fragment_cache { 471 struct ieee80211_fragment_entry entries[IEEE80211_FRAGMENT_MAX]; 472 unsigned int next; 473 }; 474 475 /** 476 * struct link_sta_info - Link STA information 477 * All link specific sta info are stored here for reference. This can be 478 * a single entry for non-MLD STA or multiple entries for MLD STA 479 * @addr: Link MAC address - Can be same as MLD STA mac address and is always 480 * same for non-MLD STA. This is used as key for searching link STA 481 * @link_id: Link ID uniquely identifying the link STA. This is 0 for non-MLD 482 * and set to the corresponding vif LinkId for MLD STA 483 * @op_mode_nss: NSS limit as set by operating mode notification, or 0 484 * @capa_nss: NSS limit as determined by local and peer capabilities 485 * @link_hash_node: hash node for rhashtable 486 * @sta: Points to the STA info 487 * @gtk: group keys negotiated with this station, if any 488 * @cigtk: control integrity group keys negotiated with this station, if any 489 * @tx_stats: TX statistics 490 * @tx_stats.packets: # of packets transmitted 491 * @tx_stats.bytes: # of bytes in all packets transmitted 492 * @tx_stats.last_rate: last TX rate 493 * @tx_stats.msdu: # of transmitted MSDUs per TID 494 * @rx_stats: RX statistics 495 * @rx_stats_avg: averaged RX statistics 496 * @rx_stats_avg.signal: averaged signal 497 * @rx_stats_avg.chain_signal: averaged per-chain signal 498 * @pcpu_rx_stats: per-CPU RX statistics, assigned only if the driver needs 499 * this (by advertising the USES_RSS hw flag) 500 * @status_stats: TX status statistics 501 * @status_stats.filtered: # of filtered frames 502 * @status_stats.retry_failed: # of frames that failed after retry 503 * @status_stats.retry_count: # of retries attempted 504 * @status_stats.lost_packets: # of lost packets 505 * @status_stats.last_pkt_time: timestamp of last ACKed packet 506 * @status_stats.msdu_retries: # of MSDU retries 507 * @status_stats.msdu_failed: # of failed MSDUs 508 * @status_stats.last_ack: last ack timestamp (jiffies) 509 * @status_stats.last_ack_signal: last ACK signal 510 * @status_stats.ack_signal_filled: last ACK signal validity 511 * @status_stats.avg_ack_signal: average ACK signal 512 * @op_mode_bw: dynamic bandwidth limit to transmit to the STA, 513 * taken from HT/VHT capabilities or VHT operating mode notification. 514 * Invalid for NAN since that is operating on multiple bands. 515 * @rx_omi_bw_rx: RX OMI bandwidth restriction to apply for RX 516 * @rx_omi_bw_tx: RX OMI bandwidth restriction to apply for TX 517 * @rx_omi_bw_staging: RX OMI bandwidth restriction to apply later 518 * during finalize 519 * @uhr_usable_tx_width: bandwidth restriction for UHR for TX, only when 520 * the link_sta is an AP, to restrict TX to BSS width during DBE 521 * enablement 522 * @uhr_dbe_enabled: for STAs as clients to an AP interface indicates 523 * DBE is enabled by the STA 524 * @debugfs_dir: debug filesystem directory dentry 525 * @pub: public (driver visible) link STA data 526 */ 527 struct link_sta_info { 528 u8 addr[ETH_ALEN]; 529 u8 link_id; 530 531 u8 op_mode_nss, capa_nss; 532 533 struct rhlist_head link_hash_node; 534 535 struct sta_info *sta; 536 struct ieee80211_key __rcu *gtk[NUM_DEFAULT_KEYS + 537 NUM_DEFAULT_MGMT_KEYS + 538 NUM_DEFAULT_BEACON_KEYS]; 539 struct ieee80211_key __rcu *cigtk[NUM_CTRL_KEYS]; 540 struct ieee80211_sta_rx_stats __percpu *pcpu_rx_stats; 541 542 /* Updated from RX path only, no locking requirements */ 543 struct ieee80211_sta_rx_stats rx_stats; 544 struct { 545 struct ewma_signal signal; 546 struct ewma_signal chain_signal[IEEE80211_MAX_CHAINS]; 547 } rx_stats_avg; 548 549 /* Updated from TX status path only, no locking requirements */ 550 struct { 551 unsigned long filtered; 552 unsigned long retry_failed, retry_count; 553 unsigned int lost_packets; 554 unsigned long last_pkt_time; 555 u64 msdu_retries[IEEE80211_NUM_TIDS + 1]; 556 u64 msdu_failed[IEEE80211_NUM_TIDS + 1]; 557 unsigned long last_ack; 558 s8 last_ack_signal; 559 bool ack_signal_filled; 560 struct ewma_avg_signal avg_ack_signal; 561 } status_stats; 562 563 /* Updated from TX path only, no locking requirements */ 564 struct { 565 u64 packets[IEEE80211_NUM_ACS]; 566 u64 bytes[IEEE80211_NUM_ACS]; 567 struct ieee80211_tx_rate last_rate; 568 struct rate_info last_rate_info; 569 u64 msdu[IEEE80211_NUM_TIDS + 1]; 570 } tx_stats; 571 572 enum ieee80211_sta_rx_bandwidth op_mode_bw; 573 enum ieee80211_sta_rx_bandwidth rx_omi_bw_rx, 574 rx_omi_bw_tx, 575 rx_omi_bw_staging; 576 enum ieee80211_sta_rx_bandwidth uhr_usable_tx_width; 577 578 bool uhr_dbe_enabled; 579 580 #ifdef CONFIG_MAC80211_DEBUGFS 581 struct dentry *debugfs_dir; 582 #endif 583 584 struct ieee80211_link_sta *pub; 585 }; 586 587 /** 588 * struct ieee80211_sta_removed_link_stats - Removed link sta data 589 * 590 * keep required accumulated removed link data for stats 591 * 592 * @rx_packets: accumulated packets (MSDUs & MMPDUs) received from 593 * this station for removed links 594 * @tx_packets: accumulated packets (MSDUs & MMPDUs) transmitted to 595 * this station for removed links 596 * @rx_bytes: accumulated bytes (size of MPDUs) received from this 597 * station for removed links 598 * @tx_bytes: accumulated bytes (size of MPDUs) transmitted to this 599 * station for removed links 600 * @tx_retries: cumulative retry counts (MPDUs) for removed links 601 * @tx_failed: accumulated number of failed transmissions (MPDUs) 602 * (retries exceeded, no ACK) for removed links 603 * @rx_dropped_misc: accumulated dropped packets for un-specified reason 604 * from this station for removed links 605 * @beacon_loss_count: Number of times beacon loss event has triggered 606 * from this station for removed links. 607 * @expected_throughput: expected throughput in kbps (including 802.11 608 * headers) towards this station for removed links 609 * @pertid_stats: accumulated per-TID statistics for removed link of 610 * station 611 * @pertid_stats.rx_msdu : accumulated number of received MSDUs towards 612 * this station for removed links. 613 * @pertid_stats.tx_msdu: accumulated number of (attempted) transmitted 614 * MSDUs towards this station for removed links 615 * @pertid_stats.tx_msdu_retries: accumulated number of retries (not 616 * counting the first) for transmitted MSDUs towards this station 617 * for removed links 618 * @pertid_stats.tx_msdu_failed: accumulated number of failed transmitted 619 * MSDUs towards this station for removed links 620 */ 621 struct ieee80211_sta_removed_link_stats { 622 u32 rx_packets; 623 u32 tx_packets; 624 u64 rx_bytes; 625 u64 tx_bytes; 626 u32 tx_retries; 627 u32 tx_failed; 628 u32 rx_dropped_misc; 629 u32 beacon_loss_count; 630 u32 expected_throughput; 631 struct { 632 u64 rx_msdu; 633 u64 tx_msdu; 634 u64 tx_msdu_retries; 635 u64 tx_msdu_failed; 636 } pertid_stats; 637 }; 638 639 /** 640 * struct sta_info - STA information 641 * 642 * This structure collects information about a station that 643 * mac80211 is communicating with. 644 * 645 * @list: global linked list entry 646 * @free_list: list entry for keeping track of stations to free 647 * @hash_node: hash node for rhashtable 648 * @addr: station's MAC address - duplicated from public part to 649 * let the hash table work with just a single cacheline 650 * @local: pointer to the global information 651 * @sdata: virtual interface this station belongs to 652 * @ptk: peer keys negotiated with this station, if any 653 * @ptk_idx: last installed peer key index 654 * @rate_ctrl: rate control algorithm reference 655 * @rate_ctrl_lock: spinlock used to protect rate control data 656 * (data inside the algorithm, so serializes calls there) 657 * @rate_ctrl_priv: rate control private per-STA pointer 658 * @lock: used for locking all fields that require locking, see comments 659 * in the header file. 660 * @drv_deliver_wk: used for delivering frames after driver PS unblocking 661 * @listen_interval: listen interval of this station, when we're acting as AP 662 * @_flags: STA flags, see &enum ieee80211_sta_info_flags, do not use directly 663 * @ps_lock: used for powersave (when mac80211 is the AP) related locking 664 * @ps_tx_buf: buffers (per AC) of frames to transmit to this station 665 * when it leaves power saving state or polls 666 * @tx_filtered: buffers (per AC) of frames we already tried to 667 * transmit but were filtered by hardware due to STA having 668 * entered power saving state, these are also delivered to 669 * the station when it leaves powersave or polls for frames 670 * @driver_buffered_tids: bitmap of TIDs the driver has data buffered on 671 * @txq_buffered_tids: bitmap of TIDs that mac80211 has txq data buffered on 672 * @assoc_at: clock boottime (in ns) of last association 673 * @last_connected: time (in seconds) when a station got connected 674 * @last_seq_ctrl: last received seq/frag number from this STA (per TID 675 * plus one for non-QoS frames) 676 * @tid_seq: per-TID sequence numbers for sending to this STA 677 * @airtime: per-AC struct airtime_info describing airtime statistics for this 678 * station 679 * @airtime_weight: station weight for airtime fairness calculation purposes 680 * @ampdu_mlme: A-MPDU state machine state 681 * @mesh: mesh STA information 682 * @debugfs_dir: debug filesystem directory dentry 683 * @dead: set to true when sta is unlinked 684 * @removed: set to true when sta is being removed from sta_list 685 * @uploaded: set to true when sta is uploaded to the driver 686 * @sta: station information we share with the driver 687 * @sta_state: duplicates information about station state (for debug) 688 * @rcu_head: RCU head used for freeing this station struct 689 * @reserved_tid: reserved TID (if any, otherwise IEEE80211_TID_UNRESERVED) 690 * @amsdu_mesh_control: track the mesh A-MSDU format used by the peer: 691 * 692 * * -1: not yet known 693 * * 0: non-mesh A-MSDU length field 694 * * 1: big-endian mesh A-MSDU length field 695 * * 2: little-endian mesh A-MSDU length field 696 * 697 * @fast_tx: TX fastpath information 698 * @fast_rx: RX fastpath information 699 * @tdls_chandef: a TDLS peer can have a wider chandef that is compatible to 700 * the BSS one. 701 * @frags: fragment cache 702 * @cur: storage for aggregation data 703 * &struct ieee80211_sta points either here or to deflink.agg. 704 * @deflink: This is the default link STA information, for non MLO STA all link 705 * specific STA information is accessed through @deflink or through 706 * link[0] which points to address of @deflink. For MLO Link STA 707 * the first added link STA will point to deflink. 708 * @link: reference to Link Sta entries. For Non MLO STA, except 1st link, 709 * i.e link[0] all links would be assigned to NULL by default and 710 * would access link information via @deflink or link[0]. For MLO 711 * STA, first link STA being added will point its link pointer to 712 * @deflink address and remaining would be allocated and the address 713 * would be assigned to link[link_id] where link_id is the id assigned 714 * by the AP. 715 * @rem_link_stats: accumulated removed link stats 716 */ 717 struct sta_info { 718 /* General information, mostly static */ 719 struct list_head list, free_list; 720 struct rcu_head rcu_head; 721 struct rhlist_head hash_node; 722 u8 addr[ETH_ALEN]; 723 struct ieee80211_local *local; 724 struct ieee80211_sub_if_data *sdata; 725 struct ieee80211_key __rcu *ptk[NUM_DEFAULT_KEYS]; 726 u8 ptk_idx; 727 struct rate_control_ref *rate_ctrl; 728 void *rate_ctrl_priv; 729 spinlock_t rate_ctrl_lock; 730 spinlock_t lock; 731 732 struct ieee80211_fast_tx __rcu *fast_tx; 733 struct ieee80211_fast_rx __rcu *fast_rx; 734 735 #ifdef CONFIG_MAC80211_MESH 736 struct mesh_sta *mesh; 737 #endif 738 739 struct work_struct drv_deliver_wk; 740 741 u16 listen_interval; 742 743 bool dead; 744 bool removed; 745 746 bool uploaded; 747 748 enum ieee80211_sta_state sta_state; 749 750 /* use the accessors defined below */ 751 unsigned long _flags; 752 753 /* STA powersave lock and frame queues */ 754 spinlock_t ps_lock; 755 struct sk_buff_head ps_tx_buf[IEEE80211_NUM_ACS]; 756 struct sk_buff_head tx_filtered[IEEE80211_NUM_ACS]; 757 unsigned long driver_buffered_tids; 758 unsigned long txq_buffered_tids; 759 760 u64 assoc_at; 761 long last_connected; 762 763 /* Plus 1 for non-QoS frames */ 764 __le16 last_seq_ctrl[IEEE80211_NUM_TIDS + 1]; 765 766 u16 tid_seq[IEEE80211_QOS_CTL_TID_MASK + 1]; 767 768 struct airtime_info airtime[IEEE80211_NUM_ACS]; 769 u16 airtime_weight; 770 771 /* 772 * Aggregation information, locked with lock. 773 */ 774 struct sta_ampdu_mlme ampdu_mlme; 775 776 #ifdef CONFIG_MAC80211_DEBUGFS 777 struct dentry *debugfs_dir; 778 #endif 779 780 u8 reserved_tid; 781 s8 amsdu_mesh_control; 782 783 struct cfg80211_chan_def tdls_chandef; 784 785 struct ieee80211_fragment_cache frags; 786 787 struct ieee80211_sta_aggregates cur; 788 struct link_sta_info deflink; 789 struct link_sta_info __rcu *link[IEEE80211_MLD_MAX_NUM_LINKS]; 790 struct ieee80211_sta_removed_link_stats rem_link_stats; 791 792 /* keep last! */ 793 struct ieee80211_sta sta; 794 }; 795 796 static inline int ieee80211_tdls_sta_link_id(struct sta_info *sta) 797 { 798 /* TDLS STA can only have a single link */ 799 return sta->sta.valid_links ? __ffs(sta->sta.valid_links) : 0; 800 } 801 802 static inline enum nl80211_plink_state sta_plink_state(struct sta_info *sta) 803 { 804 #ifdef CONFIG_MAC80211_MESH 805 return sta->mesh->plink_state; 806 #endif 807 return NL80211_PLINK_LISTEN; 808 } 809 810 static inline void set_sta_flag(struct sta_info *sta, 811 enum ieee80211_sta_info_flags flag) 812 { 813 WARN_ON(flag == WLAN_STA_AUTH || 814 flag == WLAN_STA_ASSOC || 815 flag == WLAN_STA_AUTHORIZED); 816 set_bit(flag, &sta->_flags); 817 } 818 819 static inline void clear_sta_flag(struct sta_info *sta, 820 enum ieee80211_sta_info_flags flag) 821 { 822 WARN_ON(flag == WLAN_STA_AUTH || 823 flag == WLAN_STA_ASSOC || 824 flag == WLAN_STA_AUTHORIZED); 825 clear_bit(flag, &sta->_flags); 826 } 827 828 static inline int test_sta_flag(struct sta_info *sta, 829 enum ieee80211_sta_info_flags flag) 830 { 831 return test_bit(flag, &sta->_flags); 832 } 833 834 static inline int test_and_clear_sta_flag(struct sta_info *sta, 835 enum ieee80211_sta_info_flags flag) 836 { 837 WARN_ON(flag == WLAN_STA_AUTH || 838 flag == WLAN_STA_ASSOC || 839 flag == WLAN_STA_AUTHORIZED); 840 return test_and_clear_bit(flag, &sta->_flags); 841 } 842 843 static inline int test_and_set_sta_flag(struct sta_info *sta, 844 enum ieee80211_sta_info_flags flag) 845 { 846 WARN_ON(flag == WLAN_STA_AUTH || 847 flag == WLAN_STA_ASSOC || 848 flag == WLAN_STA_AUTHORIZED); 849 return test_and_set_bit(flag, &sta->_flags); 850 } 851 852 int sta_info_move_state(struct sta_info *sta, 853 enum ieee80211_sta_state new_state); 854 855 static inline void sta_info_pre_move_state(struct sta_info *sta, 856 enum ieee80211_sta_state new_state) 857 { 858 int ret; 859 860 WARN_ON_ONCE(test_sta_flag(sta, WLAN_STA_INSERTED)); 861 862 ret = sta_info_move_state(sta, new_state); 863 WARN_ON_ONCE(ret); 864 } 865 866 867 void ieee80211_assign_tid_tx(struct sta_info *sta, int tid, 868 struct tid_ampdu_tx *tid_tx); 869 870 #define rcu_dereference_protected_tid_tx(sta, tid) \ 871 rcu_dereference_protected((sta)->ampdu_mlme.tid_tx[tid], \ 872 lockdep_is_held(&(sta)->lock) || \ 873 lockdep_is_held(&(sta)->local->hw.wiphy->mtx)); 874 875 /* Maximum number of frames to buffer per power saving station per AC */ 876 #define STA_MAX_TX_BUFFER 64 877 878 /* Minimum buffered frame expiry time. If STA uses listen interval that is 879 * smaller than this value, the minimum value here is used instead. */ 880 #define STA_TX_BUFFER_EXPIRE (10 * HZ) 881 882 /* How often station data is cleaned up (e.g., expiration of buffered frames) 883 */ 884 #define STA_INFO_CLEANUP_INTERVAL (10 * HZ) 885 886 struct rhlist_head *sta_info_hash_lookup(struct ieee80211_local *local, 887 const u8 *addr); 888 889 /* 890 * Get a STA info, must be under RCU read lock. 891 */ 892 struct sta_info *sta_info_get(struct ieee80211_sub_if_data *sdata, 893 const u8 *addr); 894 895 struct sta_info *sta_info_get_bss(struct ieee80211_sub_if_data *sdata, 896 const u8 *addr); 897 898 /* user must hold wiphy mutex or be in RCU critical section */ 899 struct sta_info *sta_info_get_by_addrs(struct ieee80211_local *local, 900 const u8 *sta_addr, const u8 *vif_addr); 901 902 #define for_each_sta_info(local, _addr, _sta, _tmp) \ 903 rhl_for_each_entry_rcu(_sta, _tmp, \ 904 sta_info_hash_lookup(local, _addr), hash_node) 905 906 struct rhlist_head *link_sta_info_hash_lookup(struct ieee80211_local *local, 907 const u8 *addr); 908 909 #define for_each_link_sta_info(local, _addr, _sta, _tmp) \ 910 rhl_for_each_entry_rcu(_sta, _tmp, \ 911 link_sta_info_hash_lookup(local, _addr), \ 912 link_hash_node) 913 914 struct link_sta_info * 915 link_sta_info_get_bss(struct ieee80211_sub_if_data *sdata, const u8 *addr); 916 917 /* 918 * Get STA info by index, BROKEN! 919 */ 920 struct sta_info *sta_info_get_by_idx(struct ieee80211_sub_if_data *sdata, 921 int idx); 922 /* 923 * Create a new STA info, caller owns returned structure 924 * until sta_info_insert(). 925 */ 926 struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata, 927 const u8 *addr, gfp_t gfp); 928 struct sta_info *sta_info_alloc_with_link(struct ieee80211_sub_if_data *sdata, 929 const u8 *mld_addr, 930 unsigned int link_id, 931 const u8 *link_addr, 932 gfp_t gfp); 933 934 void sta_info_free(struct ieee80211_local *local, struct sta_info *sta); 935 936 /* 937 * Insert STA info into hash table/list, returns zero or a 938 * -EEXIST if (if the same MAC address is already present). 939 * 940 * Calling the non-rcu version makes the caller relinquish, 941 * the _rcu version calls read_lock_rcu() and must be called 942 * without it held. 943 */ 944 int sta_info_insert(struct sta_info *sta); 945 int sta_info_insert_rcu(struct sta_info *sta) __acquires(RCU); 946 947 int __must_check __sta_info_destroy(struct sta_info *sta); 948 int sta_info_destroy_addr(struct ieee80211_sub_if_data *sdata, 949 const u8 *addr); 950 int sta_info_destroy_addr_bss(struct ieee80211_sub_if_data *sdata, 951 const u8 *addr); 952 953 void sta_info_recalc_tim(struct sta_info *sta); 954 955 int sta_info_init(struct ieee80211_local *local); 956 void sta_info_stop(struct ieee80211_local *local); 957 958 /** 959 * __sta_info_flush - flush matching STA entries from the STA table 960 * 961 * Return: the number of removed STA entries. 962 * 963 * @sdata: sdata to remove all stations from 964 * @vlans: if the given interface is an AP interface, also flush VLANs 965 * @link_id: if given (>=0), all those STA entries using @link_id only 966 * will be removed. If -1 is passed, all STA entries will be 967 * removed. 968 * @do_not_flush_sta: a station that shouldn't be flushed. 969 */ 970 int __sta_info_flush(struct ieee80211_sub_if_data *sdata, bool vlans, 971 int link_id, struct sta_info *do_not_flush_sta); 972 973 /** 974 * sta_info_flush - flush matching STA entries from the STA table 975 * 976 * Return: the number of removed STA entries. 977 * 978 * @sdata: sdata to remove all stations from 979 * @link_id: if given (>=0), all those STA entries using @link_id only 980 * will be removed. If -1 is passed, all STA entries will be 981 * removed. 982 */ 983 static inline int sta_info_flush(struct ieee80211_sub_if_data *sdata, 984 int link_id) 985 { 986 return __sta_info_flush(sdata, false, link_id, NULL); 987 } 988 989 void sta_set_rate_info_tx(struct sta_info *sta, 990 const struct ieee80211_tx_rate *rate, 991 struct rate_info *rinfo); 992 int __sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo, 993 bool tidstats, bool locked); 994 995 static inline void sta_set_sinfo(struct sta_info *sta, 996 struct station_info *sinfo, bool tidstats) 997 { 998 __sta_set_sinfo(sta, sinfo, tidstats, true); 999 } 1000 1001 void sta_set_accumulated_removed_links_sinfo(struct sta_info *sta, 1002 struct station_info *sinfo); 1003 1004 u32 sta_get_expected_throughput(struct sta_info *sta); 1005 1006 void ieee80211_sta_expire(struct ieee80211_sub_if_data *sdata, 1007 unsigned long exp_time); 1008 1009 int ieee80211_sta_allocate_link(struct sta_info *sta, unsigned int link_id); 1010 void ieee80211_sta_free_link(struct sta_info *sta, unsigned int link_id); 1011 int ieee80211_sta_activate_link(struct sta_info *sta, unsigned int link_id); 1012 void ieee80211_sta_remove_link(struct sta_info *sta, unsigned int link_id); 1013 1014 void ieee80211_sta_ps_deliver_wakeup(struct sta_info *sta); 1015 void ieee80211_sta_ps_deliver_poll_response(struct sta_info *sta); 1016 void ieee80211_sta_ps_deliver_uapsd(struct sta_info *sta); 1017 1018 unsigned long ieee80211_sta_last_active(struct sta_info *sta, int link_id); 1019 1020 void ieee80211_sta_init_nss_bw_capa(struct link_sta_info *link_sta, 1021 struct cfg80211_chan_def *chandef); 1022 void ieee80211_sta_set_max_amsdu_subframes(struct sta_info *sta, 1023 const u8 *ext_capab, 1024 unsigned int ext_capab_len); 1025 1026 void __ieee80211_sta_recalc_aggregates(struct sta_info *sta, u16 active_links); 1027 1028 enum ieee80211_sta_bw_direction { 1029 IEEE80211_STA_BW_RX_FROM_STA, 1030 IEEE80211_STA_BW_TX_TO_STA, 1031 }; 1032 1033 enum ieee80211_sta_rx_bandwidth 1034 ieee80211_sta_current_bw(struct link_sta_info *link_sta, 1035 struct cfg80211_chan_def *chandef, 1036 enum ieee80211_sta_bw_direction direction); 1037 1038 bool ieee80211_link_sta_update_rc_bw(struct ieee80211_link_data *link, 1039 struct link_sta_info *link_sta); 1040 1041 enum sta_stats_type { 1042 STA_STATS_RATE_TYPE_INVALID = 0, 1043 STA_STATS_RATE_TYPE_LEGACY, 1044 STA_STATS_RATE_TYPE_HT, 1045 STA_STATS_RATE_TYPE_VHT, 1046 STA_STATS_RATE_TYPE_HE, 1047 STA_STATS_RATE_TYPE_S1G, 1048 STA_STATS_RATE_TYPE_EHT, 1049 STA_STATS_RATE_TYPE_UHR, 1050 }; 1051 1052 /* common */ 1053 #define STA_STATS_FIELD_TYPE 0x0000000F 1054 #define STA_STATS_FIELD_BW 0x000001F0 1055 #define STA_STATS_FIELD_RESERVED 0x00000E00 1056 1057 /* STA_STATS_RATE_TYPE_LEGACY */ 1058 #define STA_STATS_FIELD_LEGACY_IDX 0x0000F000 1059 #define STA_STATS_FIELD_LEGACY_BAND 0x000F0000 1060 1061 /* STA_STATS_RATE_TYPE_HT */ 1062 #define STA_STATS_FIELD_HT_MCS 0x000FF000 1063 1064 /* STA_STATS_RATE_TYPE_VHT */ 1065 #define STA_STATS_FIELD_VHT_MCS 0x0000F000 1066 #define STA_STATS_FIELD_VHT_NSS 0x000F0000 1067 1068 /* HT, VHT & S1G */ 1069 #define STA_STATS_FIELD_SGI 0x00100000 1070 1071 /* STA_STATS_RATE_TYPE_HE */ 1072 #define STA_STATS_FIELD_HE_MCS 0x0000F000 1073 #define STA_STATS_FIELD_HE_NSS 0x000F0000 1074 #define STA_STATS_FIELD_HE_RU 0x00700000 1075 #define STA_STATS_FIELD_HE_GI 0x01800000 1076 #define STA_STATS_FIELD_HE_DCM 0x02000000 1077 1078 /* STA_STATS_RATE_TYPE_EHT */ 1079 #define STA_STATS_FIELD_EHT_MCS 0x0000F000 1080 #define STA_STATS_FIELD_EHT_NSS 0x000F0000 1081 #define STA_STATS_FIELD_EHT_RU 0x00F00000 1082 #define STA_STATS_FIELD_EHT_GI 0x03000000 1083 1084 /* STA_STATS_RATE_TYPE_UHR */ 1085 #define STA_STATS_FIELD_UHR_MCS 0x0001F000 1086 #define STA_STATS_FIELD_UHR_NSS 0x001E0000 1087 #define STA_STATS_FIELD_UHR_RU 0x01E00000 1088 #define STA_STATS_FIELD_UHR_GI 0x06000000 1089 #define STA_STATS_FIELD_UHR_ELR 0x08000000 1090 #define STA_STATS_FIELD_UHR_IM 0x10000000 1091 1092 /* STA_STATS_RATE_TYPE_S1G */ 1093 #define STA_STATS_FIELD_S1G_MCS 0x0000F000 1094 #define STA_STATS_FIELD_S1G_NSS 0x000F0000 1095 1096 #define STA_STATS_FIELD(_n, _v) FIELD_PREP(STA_STATS_FIELD_ ## _n, _v) 1097 #define STA_STATS_GET(_n, _v) FIELD_GET(STA_STATS_FIELD_ ## _n, _v) 1098 1099 #define STA_STATS_RATE_INVALID 0 1100 1101 static inline u32 sta_stats_encode_rate(struct ieee80211_rx_status *s) 1102 { 1103 u32 r; 1104 1105 r = STA_STATS_FIELD(BW, s->bw); 1106 1107 switch (s->encoding) { 1108 case RX_ENC_HT: 1109 case RX_ENC_VHT: 1110 case RX_ENC_S1G: 1111 if (s->enc_flags & RX_ENC_FLAG_SHORT_GI) 1112 r |= STA_STATS_FIELD(SGI, 1); 1113 break; 1114 default: 1115 break; 1116 } 1117 1118 switch (s->encoding) { 1119 case RX_ENC_VHT: 1120 r |= STA_STATS_FIELD(TYPE, STA_STATS_RATE_TYPE_VHT); 1121 r |= STA_STATS_FIELD(VHT_NSS, s->nss); 1122 r |= STA_STATS_FIELD(VHT_MCS, s->rate_idx); 1123 break; 1124 case RX_ENC_HT: 1125 r |= STA_STATS_FIELD(TYPE, STA_STATS_RATE_TYPE_HT); 1126 r |= STA_STATS_FIELD(HT_MCS, s->rate_idx); 1127 break; 1128 case RX_ENC_LEGACY: 1129 r |= STA_STATS_FIELD(TYPE, STA_STATS_RATE_TYPE_LEGACY); 1130 r |= STA_STATS_FIELD(LEGACY_BAND, s->band); 1131 r |= STA_STATS_FIELD(LEGACY_IDX, s->rate_idx); 1132 break; 1133 case RX_ENC_HE: 1134 r |= STA_STATS_FIELD(TYPE, STA_STATS_RATE_TYPE_HE); 1135 r |= STA_STATS_FIELD(HE_NSS, s->nss); 1136 r |= STA_STATS_FIELD(HE_MCS, s->rate_idx); 1137 r |= STA_STATS_FIELD(HE_GI, s->he_gi); 1138 r |= STA_STATS_FIELD(HE_RU, s->he_ru); 1139 r |= STA_STATS_FIELD(HE_DCM, s->he_dcm); 1140 break; 1141 case RX_ENC_EHT: 1142 r |= STA_STATS_FIELD(TYPE, STA_STATS_RATE_TYPE_EHT); 1143 r |= STA_STATS_FIELD(EHT_NSS, s->nss); 1144 r |= STA_STATS_FIELD(EHT_MCS, s->rate_idx); 1145 r |= STA_STATS_FIELD(EHT_GI, s->eht.gi); 1146 r |= STA_STATS_FIELD(EHT_RU, s->eht.ru); 1147 break; 1148 case RX_ENC_UHR: 1149 r |= STA_STATS_FIELD(TYPE, STA_STATS_RATE_TYPE_UHR); 1150 r |= STA_STATS_FIELD(UHR_NSS, s->nss); 1151 r |= STA_STATS_FIELD(UHR_MCS, s->rate_idx); 1152 r |= STA_STATS_FIELD(UHR_GI, s->uhr.gi); 1153 r |= STA_STATS_FIELD(UHR_RU, s->uhr.ru); 1154 r |= STA_STATS_FIELD(UHR_ELR, s->uhr.elr); 1155 r |= STA_STATS_FIELD(UHR_IM, s->uhr.im); 1156 break; 1157 case RX_ENC_S1G: 1158 r |= STA_STATS_FIELD(TYPE, STA_STATS_RATE_TYPE_S1G); 1159 r |= STA_STATS_FIELD(S1G_NSS, s->nss); 1160 r |= STA_STATS_FIELD(S1G_MCS, s->rate_idx); 1161 break; 1162 default: 1163 WARN_ON(1); 1164 return STA_STATS_RATE_INVALID; 1165 } 1166 1167 return r; 1168 } 1169 1170 #endif /* STA_INFO_H */ 1171