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 * @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 511 * @op_mode_bw: dynamic bandwidth limit to transmit to the STA, 512 * taken from HT/VHT capabilities or VHT operating mode notification. 513 * Invalid for NAN since that is operating on multiple bands. 514 * @rx_omi_bw_rx: RX OMI bandwidth restriction to apply for RX 515 * @rx_omi_bw_tx: RX OMI bandwidth restriction to apply for TX 516 * @rx_omi_bw_staging: RX OMI bandwidth restriction to apply later 517 * during finalize 518 * @uhr_usable_tx_width: bandwidth restriction for UHR for TX, only when 519 * the link_sta is an AP, to restrict TX to BSS width during DBE 520 * enablement 521 * @uhr_dbe_enabled: for STAs as clients to an AP interface indicates 522 * DBE is enabled by the STA 523 * @debugfs_dir: debug filesystem directory dentry 524 * @pub: public (driver visible) link STA data 525 */ 526 struct link_sta_info { 527 u8 addr[ETH_ALEN]; 528 u8 link_id; 529 530 u8 op_mode_nss, capa_nss; 531 532 struct rhlist_head link_hash_node; 533 534 struct sta_info *sta; 535 struct ieee80211_key __rcu *gtk[NUM_DEFAULT_KEYS + 536 NUM_DEFAULT_MGMT_KEYS + 537 NUM_DEFAULT_BEACON_KEYS]; 538 struct ieee80211_sta_rx_stats __percpu *pcpu_rx_stats; 539 540 /* Updated from RX path only, no locking requirements */ 541 struct ieee80211_sta_rx_stats rx_stats; 542 struct { 543 struct ewma_signal signal; 544 struct ewma_signal chain_signal[IEEE80211_MAX_CHAINS]; 545 } rx_stats_avg; 546 547 /* Updated from TX status path only, no locking requirements */ 548 struct { 549 unsigned long filtered; 550 unsigned long retry_failed, retry_count; 551 unsigned int lost_packets; 552 unsigned long last_pkt_time; 553 u64 msdu_retries[IEEE80211_NUM_TIDS + 1]; 554 u64 msdu_failed[IEEE80211_NUM_TIDS + 1]; 555 unsigned long last_ack; 556 s8 last_ack_signal; 557 bool ack_signal_filled; 558 struct ewma_avg_signal avg_ack_signal; 559 } status_stats; 560 561 /* Updated from TX path only, no locking requirements */ 562 struct { 563 u64 packets[IEEE80211_NUM_ACS]; 564 u64 bytes[IEEE80211_NUM_ACS]; 565 struct ieee80211_tx_rate last_rate; 566 struct rate_info last_rate_info; 567 u64 msdu[IEEE80211_NUM_TIDS + 1]; 568 } tx_stats; 569 570 enum ieee80211_sta_rx_bandwidth op_mode_bw; 571 enum ieee80211_sta_rx_bandwidth rx_omi_bw_rx, 572 rx_omi_bw_tx, 573 rx_omi_bw_staging; 574 enum ieee80211_sta_rx_bandwidth uhr_usable_tx_width; 575 576 bool uhr_dbe_enabled; 577 578 #ifdef CONFIG_MAC80211_DEBUGFS 579 struct dentry *debugfs_dir; 580 #endif 581 582 struct ieee80211_link_sta *pub; 583 }; 584 585 /** 586 * struct ieee80211_sta_removed_link_stats - Removed link sta data 587 * 588 * keep required accumulated removed link data for stats 589 * 590 * @rx_packets: accumulated packets (MSDUs & MMPDUs) received from 591 * this station for removed links 592 * @tx_packets: accumulated packets (MSDUs & MMPDUs) transmitted to 593 * this station for removed links 594 * @rx_bytes: accumulated bytes (size of MPDUs) received from this 595 * station for removed links 596 * @tx_bytes: accumulated bytes (size of MPDUs) transmitted to this 597 * station for removed links 598 * @tx_retries: cumulative retry counts (MPDUs) for removed links 599 * @tx_failed: accumulated number of failed transmissions (MPDUs) 600 * (retries exceeded, no ACK) for removed links 601 * @rx_dropped_misc: accumulated dropped packets for un-specified reason 602 * from this station for removed links 603 * @beacon_loss_count: Number of times beacon loss event has triggered 604 * from this station for removed links. 605 * @expected_throughput: expected throughput in kbps (including 802.11 606 * headers) towards this station for removed links 607 * @pertid_stats: accumulated per-TID statistics for removed link of 608 * station 609 * @pertid_stats.rx_msdu : accumulated number of received MSDUs towards 610 * this station for removed links. 611 * @pertid_stats.tx_msdu: accumulated number of (attempted) transmitted 612 * MSDUs towards this station for removed links 613 * @pertid_stats.tx_msdu_retries: accumulated number of retries (not 614 * counting the first) for transmitted MSDUs towards this station 615 * for removed links 616 * @pertid_stats.tx_msdu_failed: accumulated number of failed transmitted 617 * MSDUs towards this station for removed links 618 */ 619 struct ieee80211_sta_removed_link_stats { 620 u32 rx_packets; 621 u32 tx_packets; 622 u64 rx_bytes; 623 u64 tx_bytes; 624 u32 tx_retries; 625 u32 tx_failed; 626 u32 rx_dropped_misc; 627 u32 beacon_loss_count; 628 u32 expected_throughput; 629 struct { 630 u64 rx_msdu; 631 u64 tx_msdu; 632 u64 tx_msdu_retries; 633 u64 tx_msdu_failed; 634 } pertid_stats; 635 }; 636 637 /** 638 * struct sta_info - STA information 639 * 640 * This structure collects information about a station that 641 * mac80211 is communicating with. 642 * 643 * @list: global linked list entry 644 * @free_list: list entry for keeping track of stations to free 645 * @hash_node: hash node for rhashtable 646 * @addr: station's MAC address - duplicated from public part to 647 * let the hash table work with just a single cacheline 648 * @local: pointer to the global information 649 * @sdata: virtual interface this station belongs to 650 * @ptk: peer keys negotiated with this station, if any 651 * @ptk_idx: last installed peer key index 652 * @rate_ctrl: rate control algorithm reference 653 * @rate_ctrl_lock: spinlock used to protect rate control data 654 * (data inside the algorithm, so serializes calls there) 655 * @rate_ctrl_priv: rate control private per-STA pointer 656 * @lock: used for locking all fields that require locking, see comments 657 * in the header file. 658 * @drv_deliver_wk: used for delivering frames after driver PS unblocking 659 * @listen_interval: listen interval of this station, when we're acting as AP 660 * @_flags: STA flags, see &enum ieee80211_sta_info_flags, do not use directly 661 * @ps_lock: used for powersave (when mac80211 is the AP) related locking 662 * @ps_tx_buf: buffers (per AC) of frames to transmit to this station 663 * when it leaves power saving state or polls 664 * @tx_filtered: buffers (per AC) of frames we already tried to 665 * transmit but were filtered by hardware due to STA having 666 * entered power saving state, these are also delivered to 667 * the station when it leaves powersave or polls for frames 668 * @driver_buffered_tids: bitmap of TIDs the driver has data buffered on 669 * @txq_buffered_tids: bitmap of TIDs that mac80211 has txq data buffered on 670 * @assoc_at: clock boottime (in ns) of last association 671 * @last_connected: time (in seconds) when a station got connected 672 * @last_seq_ctrl: last received seq/frag number from this STA (per TID 673 * plus one for non-QoS frames) 674 * @tid_seq: per-TID sequence numbers for sending to this STA 675 * @airtime: per-AC struct airtime_info describing airtime statistics for this 676 * station 677 * @airtime_weight: station weight for airtime fairness calculation purposes 678 * @ampdu_mlme: A-MPDU state machine state 679 * @mesh: mesh STA information 680 * @debugfs_dir: debug filesystem directory dentry 681 * @dead: set to true when sta is unlinked 682 * @removed: set to true when sta is being removed from sta_list 683 * @uploaded: set to true when sta is uploaded to the driver 684 * @sta: station information we share with the driver 685 * @sta_state: duplicates information about station state (for debug) 686 * @rcu_head: RCU head used for freeing this station struct 687 * @reserved_tid: reserved TID (if any, otherwise IEEE80211_TID_UNRESERVED) 688 * @amsdu_mesh_control: track the mesh A-MSDU format used by the peer: 689 * 690 * * -1: not yet known 691 * * 0: non-mesh A-MSDU length field 692 * * 1: big-endian mesh A-MSDU length field 693 * * 2: little-endian mesh A-MSDU length field 694 * 695 * @fast_tx: TX fastpath information 696 * @fast_rx: RX fastpath information 697 * @tdls_chandef: a TDLS peer can have a wider chandef that is compatible to 698 * the BSS one. 699 * @frags: fragment cache 700 * @cur: storage for aggregation data 701 * &struct ieee80211_sta points either here or to deflink.agg. 702 * @deflink: This is the default link STA information, for non MLO STA all link 703 * specific STA information is accessed through @deflink or through 704 * link[0] which points to address of @deflink. For MLO Link STA 705 * the first added link STA will point to deflink. 706 * @link: reference to Link Sta entries. For Non MLO STA, except 1st link, 707 * i.e link[0] all links would be assigned to NULL by default and 708 * would access link information via @deflink or link[0]. For MLO 709 * STA, first link STA being added will point its link pointer to 710 * @deflink address and remaining would be allocated and the address 711 * would be assigned to link[link_id] where link_id is the id assigned 712 * by the AP. 713 * @rem_link_stats: accumulated removed link stats 714 */ 715 struct sta_info { 716 /* General information, mostly static */ 717 struct list_head list, free_list; 718 struct rcu_head rcu_head; 719 struct rhlist_head hash_node; 720 u8 addr[ETH_ALEN]; 721 struct ieee80211_local *local; 722 struct ieee80211_sub_if_data *sdata; 723 struct ieee80211_key __rcu *ptk[NUM_DEFAULT_KEYS]; 724 u8 ptk_idx; 725 struct rate_control_ref *rate_ctrl; 726 void *rate_ctrl_priv; 727 spinlock_t rate_ctrl_lock; 728 spinlock_t lock; 729 730 struct ieee80211_fast_tx __rcu *fast_tx; 731 struct ieee80211_fast_rx __rcu *fast_rx; 732 733 #ifdef CONFIG_MAC80211_MESH 734 struct mesh_sta *mesh; 735 #endif 736 737 struct work_struct drv_deliver_wk; 738 739 u16 listen_interval; 740 741 bool dead; 742 bool removed; 743 744 bool uploaded; 745 746 enum ieee80211_sta_state sta_state; 747 748 /* use the accessors defined below */ 749 unsigned long _flags; 750 751 /* STA powersave lock and frame queues */ 752 spinlock_t ps_lock; 753 struct sk_buff_head ps_tx_buf[IEEE80211_NUM_ACS]; 754 struct sk_buff_head tx_filtered[IEEE80211_NUM_ACS]; 755 unsigned long driver_buffered_tids; 756 unsigned long txq_buffered_tids; 757 758 u64 assoc_at; 759 long last_connected; 760 761 /* Plus 1 for non-QoS frames */ 762 __le16 last_seq_ctrl[IEEE80211_NUM_TIDS + 1]; 763 764 u16 tid_seq[IEEE80211_QOS_CTL_TID_MASK + 1]; 765 766 struct airtime_info airtime[IEEE80211_NUM_ACS]; 767 u16 airtime_weight; 768 769 /* 770 * Aggregation information, locked with lock. 771 */ 772 struct sta_ampdu_mlme ampdu_mlme; 773 774 #ifdef CONFIG_MAC80211_DEBUGFS 775 struct dentry *debugfs_dir; 776 #endif 777 778 u8 reserved_tid; 779 s8 amsdu_mesh_control; 780 781 struct cfg80211_chan_def tdls_chandef; 782 783 struct ieee80211_fragment_cache frags; 784 785 struct ieee80211_sta_aggregates cur; 786 struct link_sta_info deflink; 787 struct link_sta_info __rcu *link[IEEE80211_MLD_MAX_NUM_LINKS]; 788 struct ieee80211_sta_removed_link_stats rem_link_stats; 789 790 /* keep last! */ 791 struct ieee80211_sta sta; 792 }; 793 794 static inline int ieee80211_tdls_sta_link_id(struct sta_info *sta) 795 { 796 /* TDLS STA can only have a single link */ 797 return sta->sta.valid_links ? __ffs(sta->sta.valid_links) : 0; 798 } 799 800 static inline enum nl80211_plink_state sta_plink_state(struct sta_info *sta) 801 { 802 #ifdef CONFIG_MAC80211_MESH 803 return sta->mesh->plink_state; 804 #endif 805 return NL80211_PLINK_LISTEN; 806 } 807 808 static inline void set_sta_flag(struct sta_info *sta, 809 enum ieee80211_sta_info_flags flag) 810 { 811 WARN_ON(flag == WLAN_STA_AUTH || 812 flag == WLAN_STA_ASSOC || 813 flag == WLAN_STA_AUTHORIZED); 814 set_bit(flag, &sta->_flags); 815 } 816 817 static inline void clear_sta_flag(struct sta_info *sta, 818 enum ieee80211_sta_info_flags flag) 819 { 820 WARN_ON(flag == WLAN_STA_AUTH || 821 flag == WLAN_STA_ASSOC || 822 flag == WLAN_STA_AUTHORIZED); 823 clear_bit(flag, &sta->_flags); 824 } 825 826 static inline int test_sta_flag(struct sta_info *sta, 827 enum ieee80211_sta_info_flags flag) 828 { 829 return test_bit(flag, &sta->_flags); 830 } 831 832 static inline int test_and_clear_sta_flag(struct sta_info *sta, 833 enum ieee80211_sta_info_flags flag) 834 { 835 WARN_ON(flag == WLAN_STA_AUTH || 836 flag == WLAN_STA_ASSOC || 837 flag == WLAN_STA_AUTHORIZED); 838 return test_and_clear_bit(flag, &sta->_flags); 839 } 840 841 static inline int test_and_set_sta_flag(struct sta_info *sta, 842 enum ieee80211_sta_info_flags flag) 843 { 844 WARN_ON(flag == WLAN_STA_AUTH || 845 flag == WLAN_STA_ASSOC || 846 flag == WLAN_STA_AUTHORIZED); 847 return test_and_set_bit(flag, &sta->_flags); 848 } 849 850 int sta_info_move_state(struct sta_info *sta, 851 enum ieee80211_sta_state new_state); 852 853 static inline void sta_info_pre_move_state(struct sta_info *sta, 854 enum ieee80211_sta_state new_state) 855 { 856 int ret; 857 858 WARN_ON_ONCE(test_sta_flag(sta, WLAN_STA_INSERTED)); 859 860 ret = sta_info_move_state(sta, new_state); 861 WARN_ON_ONCE(ret); 862 } 863 864 865 void ieee80211_assign_tid_tx(struct sta_info *sta, int tid, 866 struct tid_ampdu_tx *tid_tx); 867 868 #define rcu_dereference_protected_tid_tx(sta, tid) \ 869 rcu_dereference_protected((sta)->ampdu_mlme.tid_tx[tid], \ 870 lockdep_is_held(&(sta)->lock) || \ 871 lockdep_is_held(&(sta)->local->hw.wiphy->mtx)); 872 873 /* Maximum number of frames to buffer per power saving station per AC */ 874 #define STA_MAX_TX_BUFFER 64 875 876 /* Minimum buffered frame expiry time. If STA uses listen interval that is 877 * smaller than this value, the minimum value here is used instead. */ 878 #define STA_TX_BUFFER_EXPIRE (10 * HZ) 879 880 /* How often station data is cleaned up (e.g., expiration of buffered frames) 881 */ 882 #define STA_INFO_CLEANUP_INTERVAL (10 * HZ) 883 884 struct rhlist_head *sta_info_hash_lookup(struct ieee80211_local *local, 885 const u8 *addr); 886 887 /* 888 * Get a STA info, must be under RCU read lock. 889 */ 890 struct sta_info *sta_info_get(struct ieee80211_sub_if_data *sdata, 891 const u8 *addr); 892 893 struct sta_info *sta_info_get_bss(struct ieee80211_sub_if_data *sdata, 894 const u8 *addr); 895 896 /* user must hold wiphy mutex or be in RCU critical section */ 897 struct sta_info *sta_info_get_by_addrs(struct ieee80211_local *local, 898 const u8 *sta_addr, const u8 *vif_addr); 899 900 #define for_each_sta_info(local, _addr, _sta, _tmp) \ 901 rhl_for_each_entry_rcu(_sta, _tmp, \ 902 sta_info_hash_lookup(local, _addr), hash_node) 903 904 struct rhlist_head *link_sta_info_hash_lookup(struct ieee80211_local *local, 905 const u8 *addr); 906 907 #define for_each_link_sta_info(local, _addr, _sta, _tmp) \ 908 rhl_for_each_entry_rcu(_sta, _tmp, \ 909 link_sta_info_hash_lookup(local, _addr), \ 910 link_hash_node) 911 912 struct link_sta_info * 913 link_sta_info_get_bss(struct ieee80211_sub_if_data *sdata, const u8 *addr); 914 915 /* 916 * Get STA info by index, BROKEN! 917 */ 918 struct sta_info *sta_info_get_by_idx(struct ieee80211_sub_if_data *sdata, 919 int idx); 920 /* 921 * Create a new STA info, caller owns returned structure 922 * until sta_info_insert(). 923 */ 924 struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata, 925 const u8 *addr, gfp_t gfp); 926 struct sta_info *sta_info_alloc_with_link(struct ieee80211_sub_if_data *sdata, 927 const u8 *mld_addr, 928 unsigned int link_id, 929 const u8 *link_addr, 930 gfp_t gfp); 931 932 void sta_info_free(struct ieee80211_local *local, struct sta_info *sta); 933 934 /* 935 * Insert STA info into hash table/list, returns zero or a 936 * -EEXIST if (if the same MAC address is already present). 937 * 938 * Calling the non-rcu version makes the caller relinquish, 939 * the _rcu version calls read_lock_rcu() and must be called 940 * without it held. 941 */ 942 int sta_info_insert(struct sta_info *sta); 943 int sta_info_insert_rcu(struct sta_info *sta) __acquires(RCU); 944 945 int __must_check __sta_info_destroy(struct sta_info *sta); 946 int sta_info_destroy_addr(struct ieee80211_sub_if_data *sdata, 947 const u8 *addr); 948 int sta_info_destroy_addr_bss(struct ieee80211_sub_if_data *sdata, 949 const u8 *addr); 950 951 void sta_info_recalc_tim(struct sta_info *sta); 952 953 int sta_info_init(struct ieee80211_local *local); 954 void sta_info_stop(struct ieee80211_local *local); 955 956 /** 957 * __sta_info_flush - flush matching STA entries from the STA table 958 * 959 * Return: the number of removed STA entries. 960 * 961 * @sdata: sdata to remove all stations from 962 * @vlans: if the given interface is an AP interface, also flush VLANs 963 * @link_id: if given (>=0), all those STA entries using @link_id only 964 * will be removed. If -1 is passed, all STA entries will be 965 * removed. 966 * @do_not_flush_sta: a station that shouldn't be flushed. 967 */ 968 int __sta_info_flush(struct ieee80211_sub_if_data *sdata, bool vlans, 969 int link_id, struct sta_info *do_not_flush_sta); 970 971 /** 972 * sta_info_flush - flush matching STA entries from the STA table 973 * 974 * Return: the number of removed STA entries. 975 * 976 * @sdata: sdata to remove all stations from 977 * @link_id: if given (>=0), all those STA entries using @link_id only 978 * will be removed. If -1 is passed, all STA entries will be 979 * removed. 980 */ 981 static inline int sta_info_flush(struct ieee80211_sub_if_data *sdata, 982 int link_id) 983 { 984 return __sta_info_flush(sdata, false, link_id, NULL); 985 } 986 987 void sta_set_rate_info_tx(struct sta_info *sta, 988 const struct ieee80211_tx_rate *rate, 989 struct rate_info *rinfo); 990 void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo, 991 bool tidstats); 992 993 void sta_set_accumulated_removed_links_sinfo(struct sta_info *sta, 994 struct station_info *sinfo); 995 996 u32 sta_get_expected_throughput(struct sta_info *sta); 997 998 void ieee80211_sta_expire(struct ieee80211_sub_if_data *sdata, 999 unsigned long exp_time); 1000 1001 int ieee80211_sta_allocate_link(struct sta_info *sta, unsigned int link_id); 1002 void ieee80211_sta_free_link(struct sta_info *sta, unsigned int link_id); 1003 int ieee80211_sta_activate_link(struct sta_info *sta, unsigned int link_id); 1004 void ieee80211_sta_remove_link(struct sta_info *sta, unsigned int link_id); 1005 1006 void ieee80211_sta_ps_deliver_wakeup(struct sta_info *sta); 1007 void ieee80211_sta_ps_deliver_poll_response(struct sta_info *sta); 1008 void ieee80211_sta_ps_deliver_uapsd(struct sta_info *sta); 1009 1010 unsigned long ieee80211_sta_last_active(struct sta_info *sta, int link_id); 1011 1012 void ieee80211_sta_init_nss_bw_capa(struct link_sta_info *link_sta, 1013 struct cfg80211_chan_def *chandef); 1014 void ieee80211_sta_set_max_amsdu_subframes(struct sta_info *sta, 1015 const u8 *ext_capab, 1016 unsigned int ext_capab_len); 1017 1018 void __ieee80211_sta_recalc_aggregates(struct sta_info *sta, u16 active_links); 1019 1020 enum ieee80211_sta_bw_direction { 1021 IEEE80211_STA_BW_RX_FROM_STA, 1022 IEEE80211_STA_BW_TX_TO_STA, 1023 }; 1024 1025 enum ieee80211_sta_rx_bandwidth 1026 ieee80211_sta_current_bw(struct link_sta_info *link_sta, 1027 struct cfg80211_chan_def *chandef, 1028 enum ieee80211_sta_bw_direction direction); 1029 1030 bool ieee80211_link_sta_update_rc_bw(struct ieee80211_link_data *link, 1031 struct link_sta_info *link_sta); 1032 1033 enum sta_stats_type { 1034 STA_STATS_RATE_TYPE_INVALID = 0, 1035 STA_STATS_RATE_TYPE_LEGACY, 1036 STA_STATS_RATE_TYPE_HT, 1037 STA_STATS_RATE_TYPE_VHT, 1038 STA_STATS_RATE_TYPE_HE, 1039 STA_STATS_RATE_TYPE_S1G, 1040 STA_STATS_RATE_TYPE_EHT, 1041 STA_STATS_RATE_TYPE_UHR, 1042 }; 1043 1044 /* common */ 1045 #define STA_STATS_FIELD_TYPE 0x0000000F 1046 #define STA_STATS_FIELD_BW 0x000001F0 1047 #define STA_STATS_FIELD_RESERVED 0x00000E00 1048 1049 /* STA_STATS_RATE_TYPE_LEGACY */ 1050 #define STA_STATS_FIELD_LEGACY_IDX 0x0000F000 1051 #define STA_STATS_FIELD_LEGACY_BAND 0x000F0000 1052 1053 /* STA_STATS_RATE_TYPE_HT */ 1054 #define STA_STATS_FIELD_HT_MCS 0x000FF000 1055 1056 /* STA_STATS_RATE_TYPE_VHT */ 1057 #define STA_STATS_FIELD_VHT_MCS 0x0000F000 1058 #define STA_STATS_FIELD_VHT_NSS 0x000F0000 1059 1060 /* HT, VHT & S1G */ 1061 #define STA_STATS_FIELD_SGI 0x00100000 1062 1063 /* STA_STATS_RATE_TYPE_HE */ 1064 #define STA_STATS_FIELD_HE_MCS 0x0000F000 1065 #define STA_STATS_FIELD_HE_NSS 0x000F0000 1066 #define STA_STATS_FIELD_HE_RU 0x00700000 1067 #define STA_STATS_FIELD_HE_GI 0x01800000 1068 #define STA_STATS_FIELD_HE_DCM 0x02000000 1069 1070 /* STA_STATS_RATE_TYPE_EHT */ 1071 #define STA_STATS_FIELD_EHT_MCS 0x0000F000 1072 #define STA_STATS_FIELD_EHT_NSS 0x000F0000 1073 #define STA_STATS_FIELD_EHT_RU 0x00F00000 1074 #define STA_STATS_FIELD_EHT_GI 0x03000000 1075 1076 /* STA_STATS_RATE_TYPE_UHR */ 1077 #define STA_STATS_FIELD_UHR_MCS 0x0001F000 1078 #define STA_STATS_FIELD_UHR_NSS 0x001E0000 1079 #define STA_STATS_FIELD_UHR_RU 0x01E00000 1080 #define STA_STATS_FIELD_UHR_GI 0x06000000 1081 #define STA_STATS_FIELD_UHR_ELR 0x08000000 1082 #define STA_STATS_FIELD_UHR_IM 0x10000000 1083 1084 /* STA_STATS_RATE_TYPE_S1G */ 1085 #define STA_STATS_FIELD_S1G_MCS 0x0000F000 1086 #define STA_STATS_FIELD_S1G_NSS 0x000F0000 1087 1088 #define STA_STATS_FIELD(_n, _v) FIELD_PREP(STA_STATS_FIELD_ ## _n, _v) 1089 #define STA_STATS_GET(_n, _v) FIELD_GET(STA_STATS_FIELD_ ## _n, _v) 1090 1091 #define STA_STATS_RATE_INVALID 0 1092 1093 static inline u32 sta_stats_encode_rate(struct ieee80211_rx_status *s) 1094 { 1095 u32 r; 1096 1097 r = STA_STATS_FIELD(BW, s->bw); 1098 1099 switch (s->encoding) { 1100 case RX_ENC_HT: 1101 case RX_ENC_VHT: 1102 case RX_ENC_S1G: 1103 if (s->enc_flags & RX_ENC_FLAG_SHORT_GI) 1104 r |= STA_STATS_FIELD(SGI, 1); 1105 break; 1106 default: 1107 break; 1108 } 1109 1110 switch (s->encoding) { 1111 case RX_ENC_VHT: 1112 r |= STA_STATS_FIELD(TYPE, STA_STATS_RATE_TYPE_VHT); 1113 r |= STA_STATS_FIELD(VHT_NSS, s->nss); 1114 r |= STA_STATS_FIELD(VHT_MCS, s->rate_idx); 1115 break; 1116 case RX_ENC_HT: 1117 r |= STA_STATS_FIELD(TYPE, STA_STATS_RATE_TYPE_HT); 1118 r |= STA_STATS_FIELD(HT_MCS, s->rate_idx); 1119 break; 1120 case RX_ENC_LEGACY: 1121 r |= STA_STATS_FIELD(TYPE, STA_STATS_RATE_TYPE_LEGACY); 1122 r |= STA_STATS_FIELD(LEGACY_BAND, s->band); 1123 r |= STA_STATS_FIELD(LEGACY_IDX, s->rate_idx); 1124 break; 1125 case RX_ENC_HE: 1126 r |= STA_STATS_FIELD(TYPE, STA_STATS_RATE_TYPE_HE); 1127 r |= STA_STATS_FIELD(HE_NSS, s->nss); 1128 r |= STA_STATS_FIELD(HE_MCS, s->rate_idx); 1129 r |= STA_STATS_FIELD(HE_GI, s->he_gi); 1130 r |= STA_STATS_FIELD(HE_RU, s->he_ru); 1131 r |= STA_STATS_FIELD(HE_DCM, s->he_dcm); 1132 break; 1133 case RX_ENC_EHT: 1134 r |= STA_STATS_FIELD(TYPE, STA_STATS_RATE_TYPE_EHT); 1135 r |= STA_STATS_FIELD(EHT_NSS, s->nss); 1136 r |= STA_STATS_FIELD(EHT_MCS, s->rate_idx); 1137 r |= STA_STATS_FIELD(EHT_GI, s->eht.gi); 1138 r |= STA_STATS_FIELD(EHT_RU, s->eht.ru); 1139 break; 1140 case RX_ENC_UHR: 1141 r |= STA_STATS_FIELD(TYPE, STA_STATS_RATE_TYPE_UHR); 1142 r |= STA_STATS_FIELD(UHR_NSS, s->nss); 1143 r |= STA_STATS_FIELD(UHR_MCS, s->rate_idx); 1144 r |= STA_STATS_FIELD(UHR_GI, s->uhr.gi); 1145 r |= STA_STATS_FIELD(UHR_RU, s->uhr.ru); 1146 r |= STA_STATS_FIELD(UHR_ELR, s->uhr.elr); 1147 r |= STA_STATS_FIELD(UHR_IM, s->uhr.im); 1148 break; 1149 case RX_ENC_S1G: 1150 r |= STA_STATS_FIELD(TYPE, STA_STATS_RATE_TYPE_S1G); 1151 r |= STA_STATS_FIELD(S1G_NSS, s->nss); 1152 r |= STA_STATS_FIELD(S1G_MCS, s->rate_idx); 1153 break; 1154 default: 1155 WARN_ON(1); 1156 return STA_STATS_RATE_INVALID; 1157 } 1158 1159 return r; 1160 } 1161 1162 #endif /* STA_INFO_H */ 1163