Lines Matching +full:rates +full:- +full:mcs
1 // SPDX-License-Identifier: GPL-2.0-only
6 * Copyright 2002-2005, Instant802 Networks, Inc.
7 * Copyright 2005-2006, Devicescape Software, Inc.
8 * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
10 * Copyright 2007-2010, Intel Corporation
27 if (ht_capa_mask->cap_info & le_flag) { in __check_htcap_disable()
28 if (!(ht_capa->cap_info & le_flag)) in __check_htcap_disable()
29 ht_cap->cap &= ~flag; in __check_htcap_disable()
40 if ((ht_capa_mask->cap_info & le_flag) && in __check_htcap_enable()
41 (ht_capa->cap_info & le_flag)) in __check_htcap_enable()
42 ht_cap->cap |= flag; in __check_htcap_enable()
52 if (!ht_cap->ht_supported) in ieee80211_apply_htcap_overrides()
55 switch (sdata->vif.type) { in ieee80211_apply_htcap_overrides()
57 ht_capa = &sdata->u.mgd.ht_capa; in ieee80211_apply_htcap_overrides()
58 ht_capa_mask = &sdata->u.mgd.ht_capa_mask; in ieee80211_apply_htcap_overrides()
61 ht_capa = &sdata->u.ibss.ht_capa; in ieee80211_apply_htcap_overrides()
62 ht_capa_mask = &sdata->u.ibss.ht_capa_mask; in ieee80211_apply_htcap_overrides()
69 scaps = (u8 *)(&ht_capa->mcs.rx_mask); in ieee80211_apply_htcap_overrides()
70 smask = (u8 *)(&ht_capa_mask->mcs.rx_mask); in ieee80211_apply_htcap_overrides()
72 /* NOTE: If you add more over-rides here, update register_hw in ieee80211_apply_htcap_overrides()
78 /* check for HT over-rides, MCS rates first. */ in ieee80211_apply_htcap_overrides()
81 ht_cap->mcs.rx_mask[i] &= ~m; /* turn off all masked bits */ in ieee80211_apply_htcap_overrides()
82 /* Add back rates that are supported */ in ieee80211_apply_htcap_overrides()
83 ht_cap->mcs.rx_mask[i] |= (m & scaps[i]); in ieee80211_apply_htcap_overrides()
86 /* Force removal of HT-40 capabilities? */ in ieee80211_apply_htcap_overrides()
92 /* Allow user to disable SGI-20 (SGI-40 is handled above) */ in ieee80211_apply_htcap_overrides()
96 /* Allow user to disable the max-AMSDU bit. */ in ieee80211_apply_htcap_overrides()
113 if (ht_capa_mask->cap_info & cpu_to_le16(IEEE80211_HT_CAP_RX_STBC)) in ieee80211_apply_htcap_overrides()
114 ht_cap->cap |= le16_to_cpu(ht_capa->cap_info) & in ieee80211_apply_htcap_overrides()
118 if (ht_capa_mask->ampdu_params_info & in ieee80211_apply_htcap_overrides()
120 u8 n = ht_capa->ampdu_params_info & in ieee80211_apply_htcap_overrides()
122 if (n < ht_cap->ampdu_factor) in ieee80211_apply_htcap_overrides()
123 ht_cap->ampdu_factor = n; in ieee80211_apply_htcap_overrides()
127 if (ht_capa_mask->ampdu_params_info & in ieee80211_apply_htcap_overrides()
129 u8 n = (ht_capa->ampdu_params_info & in ieee80211_apply_htcap_overrides()
132 if (n > ht_cap->ampdu_density) in ieee80211_apply_htcap_overrides()
133 ht_cap->ampdu_density = n; in ieee80211_apply_htcap_overrides()
151 if (!ht_cap_ie || !sband->ht_cap.ht_supported) in ieee80211_ht_cap_ie_to_sta_ht_cap()
156 own_cap = sband->ht_cap; in ieee80211_ht_cap_ie_to_sta_ht_cap()
159 * If user has specified capability over-rides, take care in ieee80211_ht_cap_ie_to_sta_ht_cap()
164 if (sdata->vif.type == NL80211_IFTYPE_STATION || in ieee80211_ht_cap_ie_to_sta_ht_cap()
165 sdata->vif.type == NL80211_IFTYPE_ADHOC) in ieee80211_ht_cap_ie_to_sta_ht_cap()
174 ht_cap.cap = le16_to_cpu(ht_cap_ie->cap_info) & in ieee80211_ht_cap_ie_to_sta_ht_cap()
183 * The STBC bits are asymmetric -- if we don't have in ieee80211_ht_cap_ie_to_sta_ht_cap()
191 ampdu_info = ht_cap_ie->ampdu_params_info; in ieee80211_ht_cap_ie_to_sta_ht_cap()
197 /* own MCS TX capabilities */ in ieee80211_ht_cap_ie_to_sta_ht_cap()
198 tx_mcs_set_cap = own_cap.mcs.tx_params; in ieee80211_ht_cap_ie_to_sta_ht_cap()
200 /* Copy peer MCS TX capabilities, the driver might need them. */ in ieee80211_ht_cap_ie_to_sta_ht_cap()
201 ht_cap.mcs.tx_params = ht_cap_ie->mcs.tx_params; in ieee80211_ht_cap_ie_to_sta_ht_cap()
203 /* can we TX with MCS rates? */ in ieee80211_ht_cap_ie_to_sta_ht_cap()
216 * 802.11n-2009 20.3.5 / 20.6 says: in ieee80211_ht_cap_ie_to_sta_ht_cap()
217 * - indices 0 to 7 and 32 are single spatial stream in ieee80211_ht_cap_ie_to_sta_ht_cap()
218 * - 8 to 31 are multiple spatial streams using equal modulation in ieee80211_ht_cap_ie_to_sta_ht_cap()
220 * - remainder are multiple spatial streams using unequal modulation in ieee80211_ht_cap_ie_to_sta_ht_cap()
223 ht_cap.mcs.rx_mask[i] = in ieee80211_ht_cap_ie_to_sta_ht_cap()
224 own_cap.mcs.rx_mask[i] & ht_cap_ie->mcs.rx_mask[i]; in ieee80211_ht_cap_ie_to_sta_ht_cap()
229 ht_cap.mcs.rx_mask[i] = in ieee80211_ht_cap_ie_to_sta_ht_cap()
230 own_cap.mcs.rx_mask[i] & in ieee80211_ht_cap_ie_to_sta_ht_cap()
231 ht_cap_ie->mcs.rx_mask[i]; in ieee80211_ht_cap_ie_to_sta_ht_cap()
233 /* handle MCS rate 32 too */ in ieee80211_ht_cap_ie_to_sta_ht_cap()
234 if (own_cap.mcs.rx_mask[32/8] & ht_cap_ie->mcs.rx_mask[32/8] & 1) in ieee80211_ht_cap_ie_to_sta_ht_cap()
235 ht_cap.mcs.rx_mask[32/8] |= 1; in ieee80211_ht_cap_ie_to_sta_ht_cap()
238 ht_cap.mcs.rx_highest = ht_cap_ie->mcs.rx_highest; in ieee80211_ht_cap_ie_to_sta_ht_cap()
241 sta->sta.max_amsdu_len = IEEE80211_MAX_MPDU_LEN_HT_7935; in ieee80211_ht_cap_ie_to_sta_ht_cap()
243 sta->sta.max_amsdu_len = IEEE80211_MAX_MPDU_LEN_HT_3839; in ieee80211_ht_cap_ie_to_sta_ht_cap()
246 changed = memcmp(&sta->sta.ht_cap, &ht_cap, sizeof(ht_cap)); in ieee80211_ht_cap_ie_to_sta_ht_cap()
248 memcpy(&sta->sta.ht_cap, &ht_cap, sizeof(ht_cap)); in ieee80211_ht_cap_ie_to_sta_ht_cap()
250 switch (sdata->vif.bss_conf.chandef.width) { in ieee80211_ht_cap_ie_to_sta_ht_cap()
267 sta->sta.bandwidth = bw; in ieee80211_ht_cap_ie_to_sta_ht_cap()
269 sta->cur_max_bandwidth = in ieee80211_ht_cap_ie_to_sta_ht_cap()
273 if (sta->sdata->vif.type == NL80211_IFTYPE_AP || in ieee80211_ht_cap_ie_to_sta_ht_cap()
274 sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN) { in ieee80211_ht_cap_ie_to_sta_ht_cap()
291 if (smps_mode != sta->sta.smps_mode) in ieee80211_ht_cap_ie_to_sta_ht_cap()
293 sta->sta.smps_mode = smps_mode; in ieee80211_ht_cap_ie_to_sta_ht_cap()
295 sta->sta.smps_mode = IEEE80211_SMPS_OFF; in ieee80211_ht_cap_ie_to_sta_ht_cap()
305 mutex_lock(&sta->ampdu_mlme.mtx); in ieee80211_sta_tear_down_BA_sessions()
314 mutex_unlock(&sta->ampdu_mlme.mtx); in ieee80211_sta_tear_down_BA_sessions()
322 cancel_work_sync(&sta->ampdu_mlme.work); in ieee80211_sta_tear_down_BA_sessions()
324 mutex_lock(&sta->ampdu_mlme.mtx); in ieee80211_sta_tear_down_BA_sessions()
332 if (test_and_clear_bit(HT_AGG_STATE_STOP_CB, &tid_tx->state)) in ieee80211_sta_tear_down_BA_sessions()
335 mutex_unlock(&sta->ampdu_mlme.mtx); in ieee80211_sta_tear_down_BA_sessions()
350 mutex_lock(&sta->ampdu_mlme.mtx); in ieee80211_ba_session_work()
352 if (test_and_clear_bit(tid, sta->ampdu_mlme.tid_rx_timer_expired)) in ieee80211_ba_session_work()
358 sta->ampdu_mlme.tid_rx_stop_requested)) in ieee80211_ba_session_work()
365 sta->ampdu_mlme.tid_rx_manage_offl)) in ieee80211_ba_session_work()
371 sta->ampdu_mlme.tid_rx_manage_offl)) in ieee80211_ba_session_work()
376 spin_lock_bh(&sta->lock); in ieee80211_ba_session_work()
378 tid_tx = sta->ampdu_mlme.tid_start_tx[tid]; in ieee80211_ba_session_work()
385 sta->ampdu_mlme.tid_start_tx[tid] = NULL; in ieee80211_ba_session_work()
387 if (sta->ampdu_mlme.tid_tx[tid]) in ieee80211_ba_session_work()
391 spin_unlock_bh(&sta->lock); in ieee80211_ba_session_work()
396 spin_unlock_bh(&sta->lock); in ieee80211_ba_session_work()
403 test_and_clear_bit(HT_AGG_STATE_START_CB, &tid_tx->state)) in ieee80211_ba_session_work()
405 if (test_and_clear_bit(HT_AGG_STATE_WANT_STOP, &tid_tx->state)) in ieee80211_ba_session_work()
408 if (test_and_clear_bit(HT_AGG_STATE_STOP_CB, &tid_tx->state)) in ieee80211_ba_session_work()
411 mutex_unlock(&sta->ampdu_mlme.mtx); in ieee80211_ba_session_work()
418 struct ieee80211_local *local = sdata->local; in ieee80211_send_delba()
423 skb = dev_alloc_skb(sizeof(*mgmt) + local->hw.extra_tx_headroom); in ieee80211_send_delba()
427 skb_reserve(skb, local->hw.extra_tx_headroom); in ieee80211_send_delba()
429 memcpy(mgmt->da, da, ETH_ALEN); in ieee80211_send_delba()
430 memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN); in ieee80211_send_delba()
431 if (sdata->vif.type == NL80211_IFTYPE_AP || in ieee80211_send_delba()
432 sdata->vif.type == NL80211_IFTYPE_AP_VLAN || in ieee80211_send_delba()
433 sdata->vif.type == NL80211_IFTYPE_MESH_POINT) in ieee80211_send_delba()
434 memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN); in ieee80211_send_delba()
435 else if (sdata->vif.type == NL80211_IFTYPE_STATION) in ieee80211_send_delba()
436 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN); in ieee80211_send_delba()
437 else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) in ieee80211_send_delba()
438 memcpy(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN); in ieee80211_send_delba()
440 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | in ieee80211_send_delba()
443 skb_put(skb, 1 + sizeof(mgmt->u.action.u.delba)); in ieee80211_send_delba()
445 mgmt->u.action.category = WLAN_CATEGORY_BACK; in ieee80211_send_delba()
446 mgmt->u.action.u.delba.action_code = WLAN_ACTION_DELBA; in ieee80211_send_delba()
450 mgmt->u.action.u.delba.params = cpu_to_le16(params); in ieee80211_send_delba()
451 mgmt->u.action.u.delba.reason_code = cpu_to_le16(reason_code); in ieee80211_send_delba()
463 params = le16_to_cpu(mgmt->u.action.u.delba.params); in ieee80211_process_delba()
468 mgmt->sa, initiator ? "initiator" : "recipient", in ieee80211_process_delba()
470 le16_to_cpu(mgmt->u.action.u.delba.reason_code)); in ieee80211_process_delba()
498 struct ieee80211_local *local = sdata->local; in ieee80211_send_smps_action()
503 skb = dev_alloc_skb(27 + local->hw.extra_tx_headroom); in ieee80211_send_smps_action()
505 return -ENOMEM; in ieee80211_send_smps_action()
507 skb_reserve(skb, local->hw.extra_tx_headroom); in ieee80211_send_smps_action()
509 memcpy(action_frame->da, da, ETH_ALEN); in ieee80211_send_smps_action()
510 memcpy(action_frame->sa, sdata->dev->dev_addr, ETH_ALEN); in ieee80211_send_smps_action()
511 memcpy(action_frame->bssid, bssid, ETH_ALEN); in ieee80211_send_smps_action()
512 action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | in ieee80211_send_smps_action()
514 action_frame->u.action.category = WLAN_CATEGORY_HT; in ieee80211_send_smps_action()
515 action_frame->u.action.u.ht_smps.action = WLAN_HT_ACTION_SMPS; in ieee80211_send_smps_action()
522 action_frame->u.action.u.ht_smps.smps_control = in ieee80211_send_smps_action()
526 action_frame->u.action.u.ht_smps.smps_control = in ieee80211_send_smps_action()
530 action_frame->u.action.u.ht_smps.smps_control = in ieee80211_send_smps_action()
536 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS; in ieee80211_send_smps_action()
549 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.driver_smps_mode); in ieee80211_request_smps_mgd_work()
558 if (WARN_ON_ONCE(vif->type != NL80211_IFTYPE_STATION && in ieee80211_request_smps()
559 vif->type != NL80211_IFTYPE_AP)) in ieee80211_request_smps()
562 if (vif->type == NL80211_IFTYPE_STATION) { in ieee80211_request_smps()
563 if (sdata->u.mgd.driver_smps_mode == smps_mode) in ieee80211_request_smps()
565 sdata->u.mgd.driver_smps_mode = smps_mode; in ieee80211_request_smps()
566 ieee80211_queue_work(&sdata->local->hw, in ieee80211_request_smps()
567 &sdata->u.mgd.request_smps_work); in ieee80211_request_smps()
570 /* this might change ... don't want non-open drivers using it */