* Copyright 2005-2006, Devicescape Software, Inc.
* Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
* Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
+ * Copyright 2013-2014 Intel Mobile Communications GmbH
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
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;
}
tail_need = max_t(int, tail_need, 0);
}
- if (skb_cloned(skb))
+ if (skb_cloned(skb) &&
+ (!(local->hw.flags & IEEE80211_HW_SUPPORTS_CLONED_SKBS) ||
+ !skb_clone_writable(skb, ETH_HLEN) ||
+ sdata->crypto_tx_tailroom_needed_cnt))
I802_DEBUG_INC(local->tx_expand_skb_head_cloned);
else if (head_need || tail_need)
I802_DEBUG_INC(local->tx_expand_skb_head);
{
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();
}
/**
int nh_pos, h_pos;
struct sta_info *sta = NULL;
bool wme_sta = false, authorized = false, tdls_auth = false;
- bool tdls_direct = false;
+ bool tdls_peer = false, tdls_setup_frame = false;
bool multicast;
u32 info_flags = 0;
u16 info_id = 0;
memcpy(hdr.addr4, skb->data + ETH_ALEN, ETH_ALEN);
hdrlen = 30;
authorized = test_sta_flag(sta, WLAN_STA_AUTHORIZED);
- wme_sta = test_sta_flag(sta, WLAN_STA_WME);
+ wme_sta = sta->sta.wme;
}
ap_sdata = container_of(sdata->bss, struct ieee80211_sub_if_data,
u.ap);
#endif
case NL80211_IFTYPE_STATION:
if (sdata->wdev.wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) {
- bool tdls_peer = false;
-
sta = sta_info_get(sdata, skb->data);
if (sta) {
authorized = test_sta_flag(sta,
WLAN_STA_AUTHORIZED);
- wme_sta = test_sta_flag(sta, WLAN_STA_WME);
+ wme_sta = sta->sta.wme;
tdls_peer = test_sta_flag(sta,
- WLAN_STA_TDLS_PEER);
+ WLAN_STA_TDLS_PEER);
tdls_auth = test_sta_flag(sta,
WLAN_STA_TDLS_PEER_AUTH);
}
- /*
- * If the TDLS link is enabled, send everything
- * directly. Otherwise, allow TDLS setup frames
- * to be transmitted indirectly.
- */
- tdls_direct = tdls_peer && (tdls_auth ||
- !(ethertype == ETH_P_TDLS && skb->len > 14 &&
- skb->data[14] == WLAN_TDLS_SNAP_RFTYPE));
+ if (tdls_peer)
+ tdls_setup_frame =
+ ethertype == ETH_P_TDLS &&
+ skb->len > 14 &&
+ skb->data[14] == WLAN_TDLS_SNAP_RFTYPE;
}
- if (tdls_direct) {
- /* link during setup - throw out frames to peer */
- if (!tdls_auth)
- goto fail_rcu;
+ /*
+ * TDLS link during setup - throw out frames to peer. We allow
+ * TDLS-setup frames to unauthorized peers for the special case
+ * of a link teardown after a TDLS sta is removed due to being
+ * unreachable.
+ */
+ if (tdls_peer && !tdls_auth && !tdls_setup_frame)
+ goto fail_rcu;
+ /* send direct packets to authorized TDLS peers */
+ if (tdls_peer && tdls_auth) {
/* DA SA BSSID */
memcpy(hdr.addr1, skb->data, ETH_ALEN);
memcpy(hdr.addr2, skb->data + ETH_ALEN, ETH_ALEN);
sta = sta_info_get(sdata, hdr.addr1);
if (sta) {
authorized = test_sta_flag(sta, WLAN_STA_AUTHORIZED);
- wme_sta = test_sta_flag(sta, WLAN_STA_WME);
+ wme_sta = sta->sta.wme;
}
}
u8 *beacon_data;
size_t beacon_data_len;
int i;
- u8 count = sdata->csa_current_counter;
+ u8 count = beacon->csa_current_counter;
switch (sdata->vif.type) {
case NL80211_IFTYPE_AP:
return;
}
+ rcu_read_lock();
for (i = 0; i < IEEE80211_MAX_CSA_COUNTERS_NUM; ++i) {
- u16 counter_offset_beacon =
- sdata->csa_counter_offset_beacon[i];
- u16 counter_offset_presp = sdata->csa_counter_offset_presp[i];
+ resp = rcu_dereference(sdata->u.ap.probe_resp);
- if (counter_offset_beacon) {
- if (WARN_ON(counter_offset_beacon >= beacon_data_len))
- return;
-
- beacon_data[counter_offset_beacon] = count;
- }
-
- if (sdata->vif.type == NL80211_IFTYPE_AP &&
- counter_offset_presp) {
- rcu_read_lock();
- resp = rcu_dereference(sdata->u.ap.probe_resp);
-
- /* If nl80211 accepted the offset, this should
- * not happen.
- */
- if (WARN_ON(!resp)) {
+ if (beacon->csa_counter_offsets[i]) {
+ if (WARN_ON_ONCE(beacon->csa_counter_offsets[i] >=
+ beacon_data_len)) {
rcu_read_unlock();
return;
}
- resp->data[counter_offset_presp] = count;
- rcu_read_unlock();
+
+ beacon_data[beacon->csa_counter_offsets[i]] = count;
}
+
+ 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();
- sdata->csa_current_counter--;
+ 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(!sdata->csa_current_counter);
+ WARN_ON_ONCE(!beacon->csa_current_counter);
+ count = beacon->csa_current_counter;
- return sdata->csa_current_counter;
+unlock:
+ rcu_read_unlock();
+ return count;
}
EXPORT_SYMBOL(ieee80211_csa_update_counter);
struct beacon_data *beacon = NULL;
u8 *beacon_data;
size_t beacon_data_len;
- int counter_beacon = sdata->csa_counter_offset_beacon[0];
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();
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;
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) {
+ if (beacon->csa_counter_offsets[0]) {
if (!is_template)
ieee80211_csa_update_counter(vif);
} 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) {
+ if (beacon->csa_counter_offsets[0]) {
if (!is_template)
ieee80211_csa_update_counter(vif);
- ieee80211_set_csa(sdata, presp);
+ 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) {
+ 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
*/
ieee80211_csa_update_counter(vif);
- ieee80211_set_csa(sdata, bcn);
+ 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);
+ 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 = bcn->head_len;
- offs->tim_length = skb->len - bcn->head_len;
+ offs->tim_offset = beacon->head_len;
+ offs->tim_length = skb->len - beacon->head_len;
}
- memcpy(skb_put(skb, bcn->tail_len), bcn->tail, bcn->tail_len);
+ memcpy(skb_put(skb, beacon->tail_len), beacon->tail,
+ beacon->tail_len);
} else {
WARN_ON(1);
goto out;
}
/* CSA offsets */
- if (offs) {
+ if (offs && beacon) {
int i;
for (i = 0; i < IEEE80211_MAX_CSA_COUNTERS_NUM; i++) {
- u16 csa_off = sdata->csa_counter_offset_beacon[i];
+ u16 csa_off = beacon->csa_counter_offsets[i];
if (!csa_off)
continue;
projects / mirror_ubuntu-jammy-kernel.git / blobdiff