Lines Matching +full:ac +full:- +full:power
1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright 2012-2013, Marco Porsch <marco.porsch@s2005.tu-chemnitz.de>
4 * Copyright 2012-2013, cozybit Inc.
16 * mps_qos_null_get - create pre-addressed QoS Null frame for mesh powersave
23 struct ieee80211_sub_if_data *sdata = sta->sdata;
24 struct ieee80211_local *local = sdata->local;
30 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size + 2);
33 skb_reserve(skb, local->hw.extra_tx_headroom);
37 ieee80211_fill_mesh_addresses(nullfunc, &fc, sta->sta.addr,
38 sdata->vif.addr);
39 nullfunc->frame_control = fc;
40 nullfunc->duration_id = 0;
41 nullfunc->seq_ctrl = 0;
42 /* no address resolution for this frame -> set addr 1 immediately */
43 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
51 * mps_qos_null_tx - send a QoS Null to indicate link-specific power mode
62 mps_dbg(sta->sdata, "announcing peer-specific power mode to %pM\n",
63 sta->sta.addr);
67 u8 *qc = ieee80211_get_qos_ctl((void *) skb->data);
72 ieee80211_tx_skb(sta->sdata, skb);
76 * ieee80211_mps_local_status_update - track status of local link-specific PMs
80 * sets the non-peer power mode and triggers the driver PS (re-)configuration
87 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
96 list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {
97 if (sdata != sta->sdata)
100 switch (sta->mesh->plink_state) {
107 if (sta->mesh->local_pm == NL80211_MESH_POWER_LIGHT_SLEEP)
109 else if (sta->mesh->local_pm == NL80211_MESH_POWER_DEEP_SLEEP)
119 * Set non-peer mode to active during peering/scanning/authentication
120 * (see IEEE802.11-2012 13.14.8.3). The non-peer mesh power mode is
123 * user-configured default value.
126 mps_dbg(sdata, "setting non-peer PM to active for peering\n");
129 mps_dbg(sdata, "setting non-peer PM to deep sleep\n");
132 mps_dbg(sdata, "setting non-peer PM to user value\n");
133 nonpeer_pm = ifmsh->mshcfg.power_mode;
136 /* need update if sleep counts move between 0 and non-zero */
137 if (ifmsh->nonpeer_pm != nonpeer_pm ||
138 !ifmsh->ps_peers_light_sleep != !light_sleep_cnt ||
139 !ifmsh->ps_peers_deep_sleep != !deep_sleep_cnt)
142 ifmsh->nonpeer_pm = nonpeer_pm;
143 ifmsh->ps_peers_light_sleep = light_sleep_cnt;
144 ifmsh->ps_peers_deep_sleep = deep_sleep_cnt;
150 * ieee80211_mps_set_sta_local_pm - set local PM towards a mesh STA
153 * @pm: the power mode to set
159 struct ieee80211_sub_if_data *sdata = sta->sdata;
161 if (sta->mesh->local_pm == pm)
165 pm, sta->sta.addr);
167 sta->mesh->local_pm = pm;
170 * announce peer-specific power mode transition
171 * (see IEEE802.11-2012 13.14.3.2 and 13.14.3.3)
173 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
180 * ieee80211_mps_set_frame_flags - set mesh PS flags in FC (and QoS Control)
186 * see IEEE802.11-2012 8.2.4.1.7 and 8.2.4.5.11
188 * NOTE: sta must be given when an individually-addressed QoS frame header
189 * is handled, for group-addressed and management frames it is not used
198 if (WARN_ON(is_unicast_ether_addr(hdr->addr1) &&
199 ieee80211_is_data_qos(hdr->frame_control) &&
203 if (is_unicast_ether_addr(hdr->addr1) &&
204 ieee80211_is_data_qos(hdr->frame_control) &&
205 sta->mesh->plink_state == NL80211_PLINK_ESTAB)
206 pm = sta->mesh->local_pm;
208 pm = sdata->u.mesh.nonpeer_pm;
211 hdr->frame_control &= cpu_to_le16(~IEEE80211_FCTL_PM);
213 hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_PM);
215 if (!ieee80211_is_data_qos(hdr->frame_control))
220 if ((is_unicast_ether_addr(hdr->addr1) &&
222 (is_multicast_ether_addr(hdr->addr1) &&
223 sdata->u.mesh.ps_peers_deep_sleep > 0))
230 * ieee80211_mps_sta_status_update - update buffering status of neighbor STA
234 * called after change of peering status or non-peer/peer-specific power mode
241 /* For non-assoc STA, prevent buffering or frame transmission */
242 if (sta->sta_state < IEEE80211_STA_ASSOC)
246 * use peer-specific power mode if peering is established and the
247 * peer's power mode is known
249 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB &&
250 sta->mesh->peer_pm != NL80211_MESH_POWER_UNKNOWN)
251 pm = sta->mesh->peer_pm;
253 pm = sta->mesh->nonpeer_pm;
257 /* clear the MPSP flags for non-peers or active STA */
258 if (sta->mesh->plink_state != NL80211_PLINK_ESTAB) {
271 atomic_inc(&sta->sdata->u.mesh.ps.num_sta_ps);
272 mps_dbg(sta->sdata, "start PS buffering frames towards %pM\n",
273 sta->sta.addr);
286 * Test Power Management field of frame control (PW) and
287 * mesh power save level subfield of QoS control field (PSL)
290 * +----+----+---------+
295 if (ieee80211_has_pm(hdr->frame_control)) {
304 if (sta->mesh->peer_pm == pm)
307 mps_dbg(sta->sdata, "STA %pM enters mode %d\n",
308 sta->sta.addr, pm);
310 sta->mesh->peer_pm = pm;
320 if (ieee80211_has_pm(hdr->frame_control))
325 if (sta->mesh->nonpeer_pm == pm)
328 mps_dbg(sta->sdata, "STA %pM sets non-peer mode to %d\n",
329 sta->sta.addr, pm);
331 sta->mesh->nonpeer_pm = pm;
337 * ieee80211_mps_rx_h_sta_process - frame receive handler for mesh powersave
345 if (is_unicast_ether_addr(hdr->addr1) &&
346 ieee80211_is_data_qos(hdr->frame_control)) {
349 * peer link-specific PS mode towards the local STA
358 * can only determine non-peer PS mode
359 * (see IEEE802.11-2012 8.2.4.1.7)
370 struct ieee80211_sub_if_data *sdata = sta->sdata;
380 nullfunc = (struct ieee80211_hdr *) skb->data;
382 nullfunc->frame_control |=
386 * +------+------+--------------------+
390 * | 1 | 1 | peer STA is owner | see IEEE802.11-2012 13.14.9.2
400 info->flags |= IEEE80211_TX_CTL_NO_PS_BUFFER |
404 rspi ? " RSPI" : "", eosp ? " EOSP" : "", sta->sta.addr);
410 * mpsp_qos_null_append - append QoS Null frame to MPSP skb queue if needed
421 struct ieee80211_sub_if_data *sdata = sta->sdata;
423 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
426 if (ieee80211_is_data_qos(hdr->frame_control))
434 sta->sta.addr);
439 new_skb->priority = 1;
444 info->control.vif = &sdata->vif;
445 info->control.flags |= IEEE80211_TX_INTCFL_NEED_TXPROCESSING;
451 * mps_frame_deliver - transmit frames during mesh powersave
454 * @n_frames: number of frames to transmit. -1 for all
458 struct ieee80211_local *local = sta->sdata->local;
459 int ac;
467 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
469 skb = skb_dequeue(&sta->tx_filtered[ac]);
472 &sta->ps_tx_buf[ac]);
474 local->total_ps_buffered--;
478 n_frames--;
482 if (!skb_queue_empty(&sta->tx_filtered[ac]) ||
483 !skb_queue_empty(&sta->ps_tx_buf[ac]))
487 /* nothing to send? -> EOSP */
497 mps_dbg(sta->sdata, "sending %d frames to PS STA %pM\n",
498 skb_queue_len(&frames), sta->sta.addr);
503 struct ieee80211_hdr *hdr = (void *) skb->data;
510 info->flags |= IEEE80211_TX_CTL_NO_PS_BUFFER;
513 hdr->frame_control |=
516 hdr->frame_control &=
520 ieee80211_is_data_qos(hdr->frame_control)) {
525 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS;
534 * ieee80211_mpsp_trigger_process - track status of mesh Peer Service Periods
558 mps_frame_deliver(sta, -1);
562 else if (sta->mesh->local_pm != NL80211_MESH_POWER_ACTIVE)
566 mps_frame_deliver(sta, -1);
571 * ieee80211_mps_frame_release - release frames buffered due to mesh power save
576 * For peers if we have individually-addressed frames buffered or the peer
584 int ac, buffer_local = 0;
587 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
588 has_buffered = ieee80211_check_tim(elems->tim, elems->tim_len,
589 sta->mesh->aid, false);
592 mps_dbg(sta->sdata, "%pM indicates buffered frames\n",
593 sta->sta.addr);
595 /* only transmit to PS STA with announced, non-zero awake window */
597 (!elems->awake_window || !get_unaligned_le16(elems->awake_window)))
601 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
602 buffer_local += skb_queue_len(&sta->ps_tx_buf[ac]) +
603 skb_queue_len(&sta->tx_filtered[ac]);
608 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)