if (local->hw.conf.flags & IEEE80211_CONF_PS) {
ieee80211_stop_queues_by_reason(&local->hw,
IEEE80211_MAX_QUEUE_MAP,
- IEEE80211_QUEUE_STOP_REASON_PS);
+ IEEE80211_QUEUE_STOP_REASON_PS,
+ false);
ifmgd->flags &= ~IEEE80211_STA_NULLFUNC_ACKED;
ieee80211_queue_work(&local->hw,
&local->dynamic_ps_disable_work);
return TX_CONTINUE;
if (unlikely((test_sta_flag(sta, WLAN_STA_PS_STA) ||
- test_sta_flag(sta, WLAN_STA_PS_DRIVER)) &&
+ test_sta_flag(sta, WLAN_STA_PS_DRIVER) ||
+ test_sta_flag(sta, WLAN_STA_PS_DELIVER)) &&
!(info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER))) {
int ac = skb_get_queue_mapping(tx->skb);
* ahead and Tx the packet.
*/
if (!test_sta_flag(sta, WLAN_STA_PS_STA) &&
- !test_sta_flag(sta, WLAN_STA_PS_DRIVER)) {
+ !test_sta_flag(sta, WLAN_STA_PS_DRIVER) &&
+ !test_sta_flag(sta, WLAN_STA_PS_DELIVER)) {
spin_unlock(&sta->ps_lock);
return TX_CONTINUE;
}
{
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
struct ieee80211_chanctx_conf *chanctx_conf;
- struct ieee80211_channel *chan;
struct ieee80211_radiotap_header *prthdr =
(struct ieee80211_radiotap_header *)skb->data;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ieee80211_hdr *hdr;
struct ieee80211_sub_if_data *tmp_sdata, *sdata;
+ struct cfg80211_chan_def *chandef;
u16 len_rthdr;
int hdrlen;
}
if (chanctx_conf)
- chan = chanctx_conf->def.chan;
+ chandef = &chanctx_conf->def;
else if (!local->use_chanctx)
- chan = local->_oper_chandef.chan;
+ chandef = &local->_oper_chandef;
else
goto fail_rcu;
* radar detection by itself. We can do that later by adding a
* monitor flag interfaces used for AP support.
*/
- if ((chan->flags & (IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_RADAR)))
+ if (!cfg80211_reg_can_beacon(local->hw.wiphy, chandef,
+ sdata->vif.type))
goto fail_rcu;
- ieee80211_xmit(sdata, skb, chan->band);
+ ieee80211_xmit(sdata, skb, chandef->chan->band);
rcu_read_unlock();
return NETDEV_TX_OK;
static void ieee80211_tx_latency_start_msrmnt(struct ieee80211_local *local,
struct sk_buff *skb)
{
- struct timespec skb_arv;
struct ieee80211_tx_latency_bin_ranges *tx_latency;
tx_latency = rcu_dereference(local->tx_latency);
if (!tx_latency)
return;
-
- ktime_get_ts(&skb_arv);
- skb->tstamp = ktime_set(skb_arv.tv_sec, skb_arv.tv_nsec);
+ skb->tstamp = ktime_get();
}
/**
/* functions for drivers to get certain frames */
static void __ieee80211_beacon_add_tim(struct ieee80211_sub_if_data *sdata,
- struct ps_data *ps, struct sk_buff *skb)
+ struct ps_data *ps, struct sk_buff *skb,
+ bool is_template)
{
u8 *pos, *tim;
int aid0 = 0;
* checking byte-for-byte */
have_bits = !bitmap_empty((unsigned long *)ps->tim,
IEEE80211_MAX_AID+1);
-
- if (ps->dtim_count == 0)
- ps->dtim_count = sdata->vif.bss_conf.dtim_period - 1;
- else
- ps->dtim_count--;
+ if (!is_template) {
+ if (ps->dtim_count == 0)
+ ps->dtim_count = sdata->vif.bss_conf.dtim_period - 1;
+ else
+ ps->dtim_count--;
+ }
tim = pos = (u8 *) skb_put(skb, 6);
*pos++ = WLAN_EID_TIM;
}
static int ieee80211_beacon_add_tim(struct ieee80211_sub_if_data *sdata,
- struct ps_data *ps, struct sk_buff *skb)
+ struct ps_data *ps, struct sk_buff *skb,
+ bool is_template)
{
struct ieee80211_local *local = sdata->local;
* of the tim bitmap in mac80211 and the driver.
*/
if (local->tim_in_locked_section) {
- __ieee80211_beacon_add_tim(sdata, ps, skb);
+ __ieee80211_beacon_add_tim(sdata, ps, skb, is_template);
} else {
spin_lock_bh(&local->tim_lock);
- __ieee80211_beacon_add_tim(sdata, ps, skb);
+ __ieee80211_beacon_add_tim(sdata, ps, skb, is_template);
spin_unlock_bh(&local->tim_lock);
}
return 0;
}
-static void ieee80211_update_csa(struct ieee80211_sub_if_data *sdata,
- struct beacon_data *beacon)
+static void ieee80211_set_csa(struct ieee80211_sub_if_data *sdata,
+ struct beacon_data *beacon)
{
struct probe_resp *resp;
- int counter_offset_beacon = sdata->csa_counter_offset_beacon;
- int counter_offset_presp = sdata->csa_counter_offset_presp;
u8 *beacon_data;
size_t beacon_data_len;
+ int i;
+ u8 count = beacon->csa_current_counter;
switch (sdata->vif.type) {
case NL80211_IFTYPE_AP:
default:
return;
}
- if (WARN_ON(counter_offset_beacon >= beacon_data_len))
- return;
-
- /* Warn if the driver did not check for/react to csa
- * completeness. A beacon with CSA counter set to 0 should
- * never occur, because a counter of 1 means switch just
- * before the next beacon.
- */
- if (WARN_ON(beacon_data[counter_offset_beacon] == 1))
- return;
- beacon_data[counter_offset_beacon]--;
-
- if (sdata->vif.type == NL80211_IFTYPE_AP && counter_offset_presp) {
- rcu_read_lock();
+ rcu_read_lock();
+ for (i = 0; i < IEEE80211_MAX_CSA_COUNTERS_NUM; ++i) {
resp = rcu_dereference(sdata->u.ap.probe_resp);
- /* if nl80211 accepted the offset, this should not happen. */
- if (WARN_ON(!resp)) {
- rcu_read_unlock();
- return;
+ if (beacon->csa_counter_offsets[i]) {
+ if (WARN_ON_ONCE(beacon->csa_counter_offsets[i] >=
+ beacon_data_len)) {
+ rcu_read_unlock();
+ return;
+ }
+
+ beacon_data[beacon->csa_counter_offsets[i]] = count;
}
- resp->data[counter_offset_presp]--;
- rcu_read_unlock();
+
+ if (sdata->vif.type == NL80211_IFTYPE_AP && resp)
+ resp->data[resp->csa_counter_offsets[i]] = count;
}
+ rcu_read_unlock();
+}
+
+u8 ieee80211_csa_update_counter(struct ieee80211_vif *vif)
+{
+ struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
+ struct beacon_data *beacon = NULL;
+ u8 count = 0;
+
+ rcu_read_lock();
+
+ if (sdata->vif.type == NL80211_IFTYPE_AP)
+ beacon = rcu_dereference(sdata->u.ap.beacon);
+ else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
+ beacon = rcu_dereference(sdata->u.ibss.presp);
+ else if (ieee80211_vif_is_mesh(&sdata->vif))
+ beacon = rcu_dereference(sdata->u.mesh.beacon);
+
+ if (!beacon)
+ goto unlock;
+
+ beacon->csa_current_counter--;
+
+ /* the counter should never reach 0 */
+ WARN_ON_ONCE(!beacon->csa_current_counter);
+ count = beacon->csa_current_counter;
+
+unlock:
+ rcu_read_unlock();
+ return count;
}
+EXPORT_SYMBOL(ieee80211_csa_update_counter);
bool ieee80211_csa_is_complete(struct ieee80211_vif *vif)
{
struct beacon_data *beacon = NULL;
u8 *beacon_data;
size_t beacon_data_len;
- int counter_beacon = sdata->csa_counter_offset_beacon;
int ret = false;
if (!ieee80211_sdata_running(sdata))
goto out;
}
- if (WARN_ON(counter_beacon > beacon_data_len))
+ if (!beacon->csa_counter_offsets[0])
goto out;
- if (beacon_data[counter_beacon] == 1)
+ if (WARN_ON_ONCE(beacon->csa_counter_offsets[0] > beacon_data_len))
+ goto out;
+
+ if (beacon_data[beacon->csa_counter_offsets[0]] == 1)
ret = true;
out:
rcu_read_unlock();
}
EXPORT_SYMBOL(ieee80211_csa_is_complete);
-struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- u16 *tim_offset, u16 *tim_length)
+static struct sk_buff *
+__ieee80211_beacon_get(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_mutable_offsets *offs,
+ bool is_template)
{
struct ieee80211_local *local = hw_to_local(hw);
+ struct beacon_data *beacon = NULL;
struct sk_buff *skb = NULL;
struct ieee80211_tx_info *info;
struct ieee80211_sub_if_data *sdata = NULL;
enum ieee80211_band band;
struct ieee80211_tx_rate_control txrc;
struct ieee80211_chanctx_conf *chanctx_conf;
+ int csa_off_base = 0;
rcu_read_lock();
if (!ieee80211_sdata_running(sdata) || !chanctx_conf)
goto out;
- if (tim_offset)
- *tim_offset = 0;
- if (tim_length)
- *tim_length = 0;
+ if (offs)
+ memset(offs, 0, sizeof(*offs));
if (sdata->vif.type == NL80211_IFTYPE_AP) {
struct ieee80211_if_ap *ap = &sdata->u.ap;
- struct beacon_data *beacon = rcu_dereference(ap->beacon);
+ beacon = rcu_dereference(ap->beacon);
if (beacon) {
- if (sdata->vif.csa_active)
- ieee80211_update_csa(sdata, beacon);
+ if (beacon->csa_counter_offsets[0]) {
+ if (!is_template)
+ ieee80211_csa_update_counter(vif);
+
+ ieee80211_set_csa(sdata, beacon);
+ }
/*
* headroom, head length,
memcpy(skb_put(skb, beacon->head_len), beacon->head,
beacon->head_len);
- ieee80211_beacon_add_tim(sdata, &ap->ps, skb);
+ ieee80211_beacon_add_tim(sdata, &ap->ps, skb,
+ is_template);
- if (tim_offset)
- *tim_offset = beacon->head_len;
- if (tim_length)
- *tim_length = skb->len - beacon->head_len;
+ if (offs) {
+ offs->tim_offset = beacon->head_len;
+ offs->tim_length = skb->len - beacon->head_len;
+
+ /* for AP the csa offsets are from tail */
+ csa_off_base = skb->len;
+ }
if (beacon->tail)
memcpy(skb_put(skb, beacon->tail_len),
} else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {
struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
struct ieee80211_hdr *hdr;
- struct beacon_data *presp = rcu_dereference(ifibss->presp);
- if (!presp)
+ beacon = rcu_dereference(ifibss->presp);
+ if (!beacon)
goto out;
- if (sdata->vif.csa_active)
- ieee80211_update_csa(sdata, presp);
+ if (beacon->csa_counter_offsets[0]) {
+ if (!is_template)
+ ieee80211_csa_update_counter(vif);
+ ieee80211_set_csa(sdata, beacon);
+ }
- skb = dev_alloc_skb(local->tx_headroom + presp->head_len +
+ skb = dev_alloc_skb(local->tx_headroom + beacon->head_len +
local->hw.extra_beacon_tailroom);
if (!skb)
goto out;
skb_reserve(skb, local->tx_headroom);
- memcpy(skb_put(skb, presp->head_len), presp->head,
- presp->head_len);
+ memcpy(skb_put(skb, beacon->head_len), beacon->head,
+ beacon->head_len);
hdr = (struct ieee80211_hdr *) skb->data;
hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
IEEE80211_STYPE_BEACON);
} else if (ieee80211_vif_is_mesh(&sdata->vif)) {
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
- struct beacon_data *bcn = rcu_dereference(ifmsh->beacon);
- if (!bcn)
+ beacon = rcu_dereference(ifmsh->beacon);
+ if (!beacon)
goto out;
- if (sdata->vif.csa_active)
- ieee80211_update_csa(sdata, bcn);
+ if (beacon->csa_counter_offsets[0]) {
+ if (!is_template)
+ /* TODO: For mesh csa_counter is in TU, so
+ * decrementing it by one isn't correct, but
+ * for now we leave it consistent with overall
+ * mac80211's behavior.
+ */
+ ieee80211_csa_update_counter(vif);
+
+ ieee80211_set_csa(sdata, beacon);
+ }
if (ifmsh->sync_ops)
- ifmsh->sync_ops->adjust_tbtt(sdata, bcn);
+ ifmsh->sync_ops->adjust_tbtt(sdata, beacon);
skb = dev_alloc_skb(local->tx_headroom +
- bcn->head_len +
+ beacon->head_len +
256 + /* TIM IE */
- bcn->tail_len +
+ beacon->tail_len +
local->hw.extra_beacon_tailroom);
if (!skb)
goto out;
skb_reserve(skb, local->tx_headroom);
- memcpy(skb_put(skb, bcn->head_len), bcn->head, bcn->head_len);
- ieee80211_beacon_add_tim(sdata, &ifmsh->ps, skb);
- memcpy(skb_put(skb, bcn->tail_len), bcn->tail, bcn->tail_len);
+ memcpy(skb_put(skb, beacon->head_len), beacon->head,
+ beacon->head_len);
+ ieee80211_beacon_add_tim(sdata, &ifmsh->ps, skb, is_template);
+
+ if (offs) {
+ offs->tim_offset = beacon->head_len;
+ offs->tim_length = skb->len - beacon->head_len;
+ }
+
+ memcpy(skb_put(skb, beacon->tail_len), beacon->tail,
+ beacon->tail_len);
} else {
WARN_ON(1);
goto out;
}
+ /* CSA offsets */
+ if (offs && beacon) {
+ int i;
+
+ for (i = 0; i < IEEE80211_MAX_CSA_COUNTERS_NUM; i++) {
+ u16 csa_off = beacon->csa_counter_offsets[i];
+
+ if (!csa_off)
+ continue;
+
+ offs->csa_counter_offs[i] = csa_off_base + csa_off;
+ }
+ }
+
band = chanctx_conf->def.chan->band;
info = IEEE80211_SKB_CB(skb);
out:
rcu_read_unlock();
return skb;
+
+}
+
+struct sk_buff *
+ieee80211_beacon_get_template(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_mutable_offsets *offs)
+{
+ return __ieee80211_beacon_get(hw, vif, offs, true);
+}
+EXPORT_SYMBOL(ieee80211_beacon_get_template);
+
+struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ u16 *tim_offset, u16 *tim_length)
+{
+ struct ieee80211_mutable_offsets offs = {};
+ struct sk_buff *bcn = __ieee80211_beacon_get(hw, vif, &offs, false);
+
+ if (tim_offset)
+ *tim_offset = offs.tim_offset;
+
+ if (tim_length)
+ *tim_length = offs.tim_length;
+
+ return bcn;
}
EXPORT_SYMBOL(ieee80211_beacon_get_tim);
projects / deliverable / linux.git / blobdiff