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-rw-r--r--net/mac80211/agg-rx.c12
-rw-r--r--net/mac80211/agg-tx.c12
-rw-r--r--net/mac80211/cfg.c242
-rw-r--r--net/mac80211/ibss.c14
-rw-r--r--net/mac80211/ieee80211_i.h44
-rw-r--r--net/mac80211/iface.c19
-rw-r--r--net/mac80211/main.c3
-rw-r--r--net/mac80211/mesh.c39
-rw-r--r--net/mac80211/mesh_hwmp.c23
-rw-r--r--net/mac80211/mesh_pathtbl.c8
-rw-r--r--net/mac80211/mesh_plink.c37
-rw-r--r--net/mac80211/mlme.c69
-rw-r--r--net/mac80211/pm.c2
-rw-r--r--net/mac80211/rate.c69
-rw-r--r--net/mac80211/rate.h47
-rw-r--r--net/mac80211/rc80211_minstrel.c6
-rw-r--r--net/mac80211/rc80211_minstrel_ht.c10
-rw-r--r--net/mac80211/rx.c272
-rw-r--r--net/mac80211/scan.c12
-rw-r--r--net/mac80211/spectmgmt.c4
-rw-r--r--net/mac80211/sta_info.c48
-rw-r--r--net/mac80211/sta_info.h87
-rw-r--r--net/mac80211/status.c168
-rw-r--r--net/mac80211/tdls.c29
-rw-r--r--net/mac80211/tx.c13
-rw-r--r--net/mac80211/util.c101
26 files changed, 862 insertions, 528 deletions
diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c
index 4456559cb056..1b7a4daf283c 100644
--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -357,14 +357,14 @@ void __ieee80211_start_rx_ba_session(struct sta_info *sta,
spin_lock_init(&tid_agg_rx->reorder_lock);
/* rx timer */
- tid_agg_rx->session_timer.function = sta_rx_agg_session_timer_expired;
- tid_agg_rx->session_timer.data = (unsigned long)&sta->timer_to_tid[tid];
- init_timer_deferrable(&tid_agg_rx->session_timer);
+ setup_deferrable_timer(&tid_agg_rx->session_timer,
+ sta_rx_agg_session_timer_expired,
+ (unsigned long)&sta->timer_to_tid[tid]);
/* rx reorder timer */
- tid_agg_rx->reorder_timer.function = sta_rx_agg_reorder_timer_expired;
- tid_agg_rx->reorder_timer.data = (unsigned long)&sta->timer_to_tid[tid];
- init_timer(&tid_agg_rx->reorder_timer);
+ setup_timer(&tid_agg_rx->reorder_timer,
+ sta_rx_agg_reorder_timer_expired,
+ (unsigned long)&sta->timer_to_tid[tid]);
/* prepare reordering buffer */
tid_agg_rx->reorder_buf =
diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c
index 45319cc01121..60e2a62f7bef 100644
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -670,14 +670,14 @@ int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid,
tid_tx->timeout = timeout;
/* response timer */
- tid_tx->addba_resp_timer.function = sta_addba_resp_timer_expired;
- tid_tx->addba_resp_timer.data = (unsigned long)&sta->timer_to_tid[tid];
- init_timer(&tid_tx->addba_resp_timer);
+ setup_timer(&tid_tx->addba_resp_timer,
+ sta_addba_resp_timer_expired,
+ (unsigned long)&sta->timer_to_tid[tid]);
/* tx timer */
- tid_tx->session_timer.function = sta_tx_agg_session_timer_expired;
- tid_tx->session_timer.data = (unsigned long)&sta->timer_to_tid[tid];
- init_timer_deferrable(&tid_tx->session_timer);
+ setup_deferrable_timer(&tid_tx->session_timer,
+ sta_tx_agg_session_timer_expired,
+ (unsigned long)&sta->timer_to_tid[tid]);
/* assign a dialog token */
sta->ampdu_mlme.dialog_token_allocator++;
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index ac879bb17870..6c2e6060cd54 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -3,7 +3,7 @@
*
* Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2015 Intel Mobile Communications GmbH
- * Copyright (C) 2015-2016 Intel Deutschland GmbH
+ * Copyright (C) 2015-2017 Intel Deutschland GmbH
*
* This file is GPLv2 as found in COPYING.
*/
@@ -22,11 +22,98 @@
#include "mesh.h"
#include "wme.h"
+static void ieee80211_set_mu_mimo_follow(struct ieee80211_sub_if_data *sdata,
+ struct vif_params *params)
+{
+ bool mu_mimo_groups = false;
+ bool mu_mimo_follow = false;
+
+ if (params->vht_mumimo_groups) {
+ u64 membership;
+
+ BUILD_BUG_ON(sizeof(membership) != WLAN_MEMBERSHIP_LEN);
+
+ memcpy(sdata->vif.bss_conf.mu_group.membership,
+ params->vht_mumimo_groups, WLAN_MEMBERSHIP_LEN);
+ memcpy(sdata->vif.bss_conf.mu_group.position,
+ params->vht_mumimo_groups + WLAN_MEMBERSHIP_LEN,
+ WLAN_USER_POSITION_LEN);
+ ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MU_GROUPS);
+ /* don't care about endianness - just check for 0 */
+ memcpy(&membership, params->vht_mumimo_groups,
+ WLAN_MEMBERSHIP_LEN);
+ mu_mimo_groups = membership != 0;
+ }
+
+ if (params->vht_mumimo_follow_addr) {
+ mu_mimo_follow =
+ is_valid_ether_addr(params->vht_mumimo_follow_addr);
+ ether_addr_copy(sdata->u.mntr.mu_follow_addr,
+ params->vht_mumimo_follow_addr);
+ }
+
+ sdata->vif.mu_mimo_owner = mu_mimo_groups || mu_mimo_follow;
+}
+
+static int ieee80211_set_mon_options(struct ieee80211_sub_if_data *sdata,
+ struct vif_params *params)
+{
+ struct ieee80211_local *local = sdata->local;
+ struct ieee80211_sub_if_data *monitor_sdata;
+
+ /* check flags first */
+ if (params->flags && ieee80211_sdata_running(sdata)) {
+ u32 mask = MONITOR_FLAG_COOK_FRAMES | MONITOR_FLAG_ACTIVE;
+
+ /*
+ * Prohibit MONITOR_FLAG_COOK_FRAMES and
+ * MONITOR_FLAG_ACTIVE to be changed while the
+ * interface is up.
+ * Else we would need to add a lot of cruft
+ * to update everything:
+ * cooked_mntrs, monitor and all fif_* counters
+ * reconfigure hardware
+ */
+ if ((params->flags & mask) != (sdata->u.mntr.flags & mask))
+ return -EBUSY;
+ }
+
+ /* also validate MU-MIMO change */
+ monitor_sdata = rtnl_dereference(local->monitor_sdata);
+
+ if (!monitor_sdata &&
+ (params->vht_mumimo_groups || params->vht_mumimo_follow_addr))
+ return -EOPNOTSUPP;
+
+ /* apply all changes now - no failures allowed */
+
+ if (monitor_sdata)
+ ieee80211_set_mu_mimo_follow(monitor_sdata, params);
+
+ if (params->flags) {
+ if (ieee80211_sdata_running(sdata)) {
+ ieee80211_adjust_monitor_flags(sdata, -1);
+ sdata->u.mntr.flags = params->flags;
+ ieee80211_adjust_monitor_flags(sdata, 1);
+
+ ieee80211_configure_filter(local);
+ } else {
+ /*
+ * Because the interface is down, ieee80211_do_stop
+ * and ieee80211_do_open take care of "everything"
+ * mentioned in the comment above.
+ */
+ sdata->u.mntr.flags = params->flags;
+ }
+ }
+
+ return 0;
+}
+
static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
const char *name,
unsigned char name_assign_type,
enum nl80211_iftype type,
- u32 *flags,
struct vif_params *params)
{
struct ieee80211_local *local = wiphy_priv(wiphy);
@@ -38,9 +125,14 @@ static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
if (err)
return ERR_PTR(err);
- if (type == NL80211_IFTYPE_MONITOR && flags) {
- sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
- sdata->u.mntr.flags = *flags;
+ sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
+
+ if (type == NL80211_IFTYPE_MONITOR) {
+ err = ieee80211_set_mon_options(sdata, params);
+ if (err) {
+ ieee80211_if_remove(sdata);
+ return NULL;
+ }
}
return wdev;
@@ -55,7 +147,7 @@ static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
static int ieee80211_change_iface(struct wiphy *wiphy,
struct net_device *dev,
- enum nl80211_iftype type, u32 *flags,
+ enum nl80211_iftype type,
struct vif_params *params)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
@@ -75,58 +167,9 @@ static int ieee80211_change_iface(struct wiphy *wiphy,
}
if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
- struct ieee80211_local *local = sdata->local;
- struct ieee80211_sub_if_data *monitor_sdata;
- u32 mu_mntr_cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
-
- monitor_sdata = rtnl_dereference(local->monitor_sdata);
- if (monitor_sdata &&
- wiphy_ext_feature_isset(wiphy, mu_mntr_cap_flag)) {
- memcpy(monitor_sdata->vif.bss_conf.mu_group.membership,
- params->vht_mumimo_groups, WLAN_MEMBERSHIP_LEN);
- memcpy(monitor_sdata->vif.bss_conf.mu_group.position,
- params->vht_mumimo_groups + WLAN_MEMBERSHIP_LEN,
- WLAN_USER_POSITION_LEN);
- monitor_sdata->vif.mu_mimo_owner = true;
- ieee80211_bss_info_change_notify(monitor_sdata,
- BSS_CHANGED_MU_GROUPS);
-
- ether_addr_copy(monitor_sdata->u.mntr.mu_follow_addr,
- params->macaddr);
- }
-
- if (!flags)
- return 0;
-
- if (ieee80211_sdata_running(sdata)) {
- u32 mask = MONITOR_FLAG_COOK_FRAMES |
- MONITOR_FLAG_ACTIVE;
-
- /*
- * Prohibit MONITOR_FLAG_COOK_FRAMES and
- * MONITOR_FLAG_ACTIVE to be changed while the
- * interface is up.
- * Else we would need to add a lot of cruft
- * to update everything:
- * cooked_mntrs, monitor and all fif_* counters
- * reconfigure hardware
- */
- if ((*flags & mask) != (sdata->u.mntr.flags & mask))
- return -EBUSY;
-
- ieee80211_adjust_monitor_flags(sdata, -1);
- sdata->u.mntr.flags = *flags;
- ieee80211_adjust_monitor_flags(sdata, 1);
-
- ieee80211_configure_filter(local);
- } else {
- /*
- * Because the interface is down, ieee80211_do_stop
- * and ieee80211_do_open take care of "everything"
- * mentioned in the comment above.
- */
- sdata->u.mntr.flags = *flags;
- }
+ ret = ieee80211_set_mon_options(sdata, params);
+ if (ret)
+ return ret;
}
return 0;
@@ -617,10 +660,11 @@ void sta_set_rate_info_tx(struct sta_info *sta,
int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
u16 brate;
- sband = sta->local->hw.wiphy->bands[
- ieee80211_get_sdata_band(sta->sdata)];
- brate = sband->bitrates[rate->idx].bitrate;
- rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
+ sband = ieee80211_get_sband(sta->sdata);
+ if (sband) {
+ brate = sband->bitrates[rate->idx].bitrate;
+ rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
+ }
}
if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
rinfo->bw = RATE_INFO_BW_40;
@@ -696,11 +740,8 @@ static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
return 0;
mutex_lock(&local->mtx);
- mutex_lock(&local->iflist_mtx);
if (local->use_chanctx) {
- sdata = rcu_dereference_protected(
- local->monitor_sdata,
- lockdep_is_held(&local->iflist_mtx));
+ sdata = rtnl_dereference(local->monitor_sdata);
if (sdata) {
ieee80211_vif_release_channel(sdata);
ret = ieee80211_vif_use_channel(sdata, chandef,
@@ -713,7 +754,6 @@ static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
if (ret == 0)
local->monitor_chandef = *chandef;
- mutex_unlock(&local->iflist_mtx);
mutex_unlock(&local->mtx);
return ret;
@@ -1214,10 +1254,11 @@ static int sta_apply_parameters(struct ieee80211_local *local,
int ret = 0;
struct ieee80211_supported_band *sband;
struct ieee80211_sub_if_data *sdata = sta->sdata;
- enum nl80211_band band = ieee80211_get_sdata_band(sdata);
u32 mask, set;
- sband = local->hw.wiphy->bands[band];
+ sband = ieee80211_get_sband(sdata);
+ if (!sband)
+ return -EINVAL;
mask = params->sta_flags_mask;
set = params->sta_flags_set;
@@ -1350,7 +1391,7 @@ static int sta_apply_parameters(struct ieee80211_local *local,
ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
sband, params->supported_rates,
params->supported_rates_len,
- &sta->sta.supp_rates[band]);
+ &sta->sta.supp_rates[sband->band]);
}
if (params->ht_capa)
@@ -1366,8 +1407,8 @@ static int sta_apply_parameters(struct ieee80211_local *local,
/* returned value is only needed for rc update, but the
* rc isn't initialized here yet, so ignore it
*/
- __ieee80211_vht_handle_opmode(sdata, sta,
- params->opmode_notif, band);
+ __ieee80211_vht_handle_opmode(sdata, sta, params->opmode_notif,
+ sband->band);
}
if (params->support_p2p_ps >= 0)
@@ -2005,13 +2046,15 @@ static int ieee80211_change_bss(struct wiphy *wiphy,
struct bss_parameters *params)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- enum nl80211_band band;
+ struct ieee80211_supported_band *sband;
u32 changed = 0;
if (!sdata_dereference(sdata->u.ap.beacon, sdata))
return -ENOENT;
- band = ieee80211_get_sdata_band(sdata);
+ sband = ieee80211_get_sband(sdata);
+ if (!sband)
+ return -EINVAL;
if (params->use_cts_prot >= 0) {
sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
@@ -2024,7 +2067,7 @@ static int ieee80211_change_bss(struct wiphy *wiphy,
}
if (!sdata->vif.bss_conf.use_short_slot &&
- band == NL80211_BAND_5GHZ) {
+ sband->band == NL80211_BAND_5GHZ) {
sdata->vif.bss_conf.use_short_slot = true;
changed |= BSS_CHANGED_ERP_SLOT;
}
@@ -2037,11 +2080,12 @@ static int ieee80211_change_bss(struct wiphy *wiphy,
if (params->basic_rates) {
ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
- wiphy->bands[band],
+ wiphy->bands[sband->band],
params->basic_rates,
params->basic_rates_len,
&sdata->vif.bss_conf.basic_rates);
changed |= BSS_CHANGED_BASIC_RATES;
+ ieee80211_check_rate_mask(sdata);
}
if (params->ap_isolate >= 0) {
@@ -2198,7 +2242,8 @@ ieee80211_sched_scan_start(struct wiphy *wiphy,
}
static int
-ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
+ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
+ u64 reqid)
{
struct ieee80211_local *local = wiphy_priv(wiphy);
@@ -2630,6 +2675,33 @@ static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
bss_conf->cqm_rssi_thold = rssi_thold;
bss_conf->cqm_rssi_hyst = rssi_hyst;
+ bss_conf->cqm_rssi_low = 0;
+ bss_conf->cqm_rssi_high = 0;
+ sdata->u.mgd.last_cqm_event_signal = 0;
+
+ /* tell the driver upon association, unless already associated */
+ if (sdata->u.mgd.associated &&
+ sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
+ ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
+
+ return 0;
+}
+
+static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy,
+ struct net_device *dev,
+ s32 rssi_low, s32 rssi_high)
+{
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_vif *vif = &sdata->vif;
+ struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
+
+ if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER)
+ return -EOPNOTSUPP;
+
+ bss_conf->cqm_rssi_low = rssi_low;
+ bss_conf->cqm_rssi_high = rssi_high;
+ bss_conf->cqm_rssi_thold = 0;
+ bss_conf->cqm_rssi_hyst = 0;
sdata->u.mgd.last_cqm_event_signal = 0;
/* tell the driver upon association, unless already associated */
@@ -2658,6 +2730,21 @@ static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
return ret;
}
+ /*
+ * If active validate the setting and reject it if it doesn't leave
+ * at least one basic rate usable, since we really have to be able
+ * to send something, and if we're an AP we have to be able to do
+ * so at a basic rate so that all clients can receive it.
+ */
+ if (rcu_access_pointer(sdata->vif.chanctx_conf) &&
+ sdata->vif.bss_conf.chandef.chan) {
+ u32 basic_rates = sdata->vif.bss_conf.basic_rates;
+ enum nl80211_band band = sdata->vif.bss_conf.chandef.chan->band;
+
+ if (!(mask->control[band].legacy & basic_rates))
+ return -EINVAL;
+ }
+
for (i = 0; i < NUM_NL80211_BANDS; i++) {
struct ieee80211_supported_band *sband = wiphy->bands[i];
int j;
@@ -3639,6 +3726,7 @@ const struct cfg80211_ops mac80211_config_ops = {
.mgmt_tx = ieee80211_mgmt_tx,
.mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
.set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
+ .set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config,
.mgmt_frame_register = ieee80211_mgmt_frame_register,
.set_antenna = ieee80211_set_antenna,
.get_antenna = ieee80211_get_antenna,
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index 98999d3d5262..6db09fa18269 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -425,7 +425,7 @@ static void ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
case NL80211_CHAN_WIDTH_5:
case NL80211_CHAN_WIDTH_10:
cfg80211_chandef_create(&chandef, cbss->channel,
- NL80211_CHAN_WIDTH_20_NOHT);
+ NL80211_CHAN_NO_HT);
chandef.width = sdata->u.ibss.chandef.width;
break;
case NL80211_CHAN_WIDTH_80:
@@ -437,7 +437,7 @@ static void ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
default:
/* fall back to 20 MHz for unsupported modes */
cfg80211_chandef_create(&chandef, cbss->channel,
- NL80211_CHAN_WIDTH_20_NOHT);
+ NL80211_CHAN_NO_HT);
break;
}
@@ -992,7 +992,7 @@ static void ieee80211_update_sta_info(struct ieee80211_sub_if_data *sdata,
enum nl80211_band band = rx_status->band;
enum nl80211_bss_scan_width scan_width;
struct ieee80211_local *local = sdata->local;
- struct ieee80211_supported_band *sband = local->hw.wiphy->bands[band];
+ struct ieee80211_supported_band *sband;
bool rates_updated = false;
u32 supp_rates = 0;
@@ -1002,6 +1002,10 @@ static void ieee80211_update_sta_info(struct ieee80211_sub_if_data *sdata,
if (!ether_addr_equal(mgmt->bssid, sdata->u.ibss.bssid))
return;
+ sband = local->hw.wiphy->bands[band];
+ if (WARN_ON(!sband))
+ return;
+
rcu_read_lock();
sta = sta_info_get(sdata, mgmt->sa);
@@ -1014,9 +1018,9 @@ static void ieee80211_update_sta_info(struct ieee80211_sub_if_data *sdata,
prev_rates = sta->sta.supp_rates[band];
/* make sure mandatory rates are always added */
scan_width = NL80211_BSS_CHAN_WIDTH_20;
- if (rx_status->flag & RX_FLAG_5MHZ)
+ if (rx_status->bw == RATE_INFO_BW_5)
scan_width = NL80211_BSS_CHAN_WIDTH_5;
- if (rx_status->flag & RX_FLAG_10MHZ)
+ else if (rx_status->bw == RATE_INFO_BW_10)
scan_width = NL80211_BSS_CHAN_WIDTH_10;
sta->sta.supp_rates[band] = supp_rates |
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 0e718437d080..f8f6c148f554 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -839,6 +839,8 @@ struct txq_info {
struct ieee80211_if_mntr {
u32 flags;
u8 mu_follow_addr[ETH_ALEN] __aligned(2);
+
+ struct list_head list;
};
/**
@@ -999,21 +1001,6 @@ sdata_assert_lock(struct ieee80211_sub_if_data *sdata)
lockdep_assert_held(&sdata->wdev.mtx);
}
-static inline enum nl80211_band
-ieee80211_get_sdata_band(struct ieee80211_sub_if_data *sdata)
-{
- enum nl80211_band band = NL80211_BAND_2GHZ;
- struct ieee80211_chanctx_conf *chanctx_conf;
-
- rcu_read_lock();
- chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
- if (!WARN_ON(!chanctx_conf))
- band = chanctx_conf->def.chan->band;
- rcu_read_unlock();
-
- return band;
-}
-
static inline int
ieee80211_chandef_get_shift(struct cfg80211_chan_def *chandef)
{
@@ -1259,6 +1246,7 @@ struct ieee80211_local {
/* see iface.c */
struct list_head interfaces;
+ struct list_head mon_list; /* only that are IFF_UP && !cooked */
struct mutex iflist_mtx;
/*
@@ -1418,6 +1406,27 @@ IEEE80211_WDEV_TO_SUB_IF(struct wireless_dev *wdev)
return container_of(wdev, struct ieee80211_sub_if_data, wdev);
}
+static inline struct ieee80211_supported_band *
+ieee80211_get_sband(struct ieee80211_sub_if_data *sdata)
+{
+ struct ieee80211_local *local = sdata->local;
+ struct ieee80211_chanctx_conf *chanctx_conf;
+ enum nl80211_band band;
+
+ rcu_read_lock();
+ chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
+
+ if (WARN_ON(!chanctx_conf)) {
+ rcu_read_unlock();
+ return NULL;
+ }
+
+ band = chanctx_conf->def.chan->band;
+ rcu_read_unlock();
+
+ return local->hw.wiphy->bands[band];
+}
+
/* this struct represents 802.11n's RA/TID combination */
struct ieee80211_ra_tid {
u8 ra[ETH_ALEN];
@@ -1474,6 +1483,7 @@ struct ieee802_11_elems {
const u8 *opmode_notif;
const struct ieee80211_sec_chan_offs_ie *sec_chan_offs;
const struct ieee80211_mesh_chansw_params_ie *mesh_chansw_params_ie;
+ const struct ieee80211_bss_max_idle_period_ie *max_idle_period_ie;
/* length of them, respectively */
u8 ext_capab_len;
@@ -1527,9 +1537,9 @@ ieee80211_have_rx_timestamp(struct ieee80211_rx_status *status)
status->flag & RX_FLAG_MACTIME_END);
if (status->flag & (RX_FLAG_MACTIME_START | RX_FLAG_MACTIME_END))
return true;
- /* can't handle HT/VHT preamble yet */
+ /* can't handle non-legacy preamble yet */
if (status->flag & RX_FLAG_MACTIME_PLCP_START &&
- !(status->flag & (RX_FLAG_HT | RX_FLAG_VHT)))
+ status->encoding != RX_ENC_LEGACY)
return true;
return false;
}
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 5bb0c5012819..3bd5b81f5d81 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -676,7 +676,8 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up)
set_bit(SDATA_STATE_RUNNING, &sdata->state);
- if (sdata->vif.type == NL80211_IFTYPE_WDS) {
+ switch (sdata->vif.type) {
+ case NL80211_IFTYPE_WDS:
/* Create STA entry for the WDS peer */
sta = sta_info_alloc(sdata, sdata->u.wds.remote_addr,
GFP_KERNEL);
@@ -697,8 +698,17 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up)
rate_control_rate_init(sta);
netif_carrier_on(dev);
- } else if (sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE) {
+ break;
+ case NL80211_IFTYPE_P2P_DEVICE:
rcu_assign_pointer(local->p2p_sdata, sdata);
+ break;
+ case NL80211_IFTYPE_MONITOR:
+ if (sdata->u.mntr.flags & MONITOR_FLAG_COOK_FRAMES)
+ break;
+ list_add_tail_rcu(&sdata->u.mntr.list, &local->mon_list);
+ break;
+ default:
+ break;
}
/*
@@ -817,6 +827,11 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
case NL80211_IFTYPE_AP:
cancel_work_sync(&sdata->u.ap.request_smps_work);
break;
+ case NL80211_IFTYPE_MONITOR:
+ if (sdata->u.mntr.flags & MONITOR_FLAG_COOK_FRAMES)
+ break;
+ list_del_rcu(&sdata->u.mntr.list);
+ break;
default:
break;
}
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 56fb47953b72..8aa1f5b6a051 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -253,6 +253,7 @@ static void ieee80211_restart_work(struct work_struct *work)
WARN(test_bit(SCAN_HW_SCANNING, &local->scanning),
"%s called with hardware scan in progress\n", __func__);
+ flush_work(&local->radar_detected_work);
rtnl_lock();
list_for_each_entry(sdata, &local->interfaces, list)
flush_delayed_work(&sdata->dec_tailroom_needed_wk);
@@ -603,6 +604,7 @@ struct ieee80211_hw *ieee80211_alloc_hw_nm(size_t priv_data_len,
ARRAY_SIZE(local->ext_capa);
INIT_LIST_HEAD(&local->interfaces);
+ INIT_LIST_HEAD(&local->mon_list);
__hw_addr_init(&local->mc_list);
@@ -1186,6 +1188,7 @@ void ieee80211_unregister_hw(struct ieee80211_hw *hw)
cancel_work_sync(&local->reconfig_filter);
cancel_work_sync(&local->tdls_chsw_work);
flush_work(&local->sched_scan_stopped_work);
+ flush_work(&local->radar_detected_work);
ieee80211_clear_tx_pending(local);
rate_control_deinitialize(local);
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 6e7b6a07b7d5..737e1f082b0d 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -63,6 +63,7 @@ bool mesh_matches_local(struct ieee80211_sub_if_data *sdata,
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
u32 basic_rates = 0;
struct cfg80211_chan_def sta_chan_def;
+ struct ieee80211_supported_band *sband;
/*
* As support for each feature is added, check for matching
@@ -83,7 +84,11 @@ bool mesh_matches_local(struct ieee80211_sub_if_data *sdata,
(ifmsh->mesh_auth_id == ie->mesh_config->meshconf_auth)))
return false;
- ieee80211_sta_get_rates(sdata, ie, ieee80211_get_sdata_band(sdata),
+ sband = ieee80211_get_sband(sdata);
+ if (!sband)
+ return false;
+
+ ieee80211_sta_get_rates(sdata, ie, sband->band,
&basic_rates);
if (sdata->vif.bss_conf.basic_rates != basic_rates)
@@ -399,12 +404,13 @@ static int mesh_add_ds_params_ie(struct ieee80211_sub_if_data *sdata,
int mesh_add_ht_cap_ie(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb)
{
- struct ieee80211_local *local = sdata->local;
- enum nl80211_band band = ieee80211_get_sdata_band(sdata);
struct ieee80211_supported_band *sband;
u8 *pos;
- sband = local->hw.wiphy->bands[band];
+ sband = ieee80211_get_sband(sdata);
+ if (!sband)
+ return -EINVAL;
+
if (!sband->ht_cap.ht_supported ||
sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT ||
sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_5 ||
@@ -462,12 +468,13 @@ int mesh_add_ht_oper_ie(struct ieee80211_sub_if_data *sdata,
int mesh_add_vht_cap_ie(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb)
{
- struct ieee80211_local *local = sdata->local;
- enum nl80211_band band = ieee80211_get_sdata_band(sdata);
struct ieee80211_supported_band *sband;
u8 *pos;
- sband = local->hw.wiphy->bands[band];
+ sband = ieee80211_get_sband(sdata);
+ if (!sband)
+ return -EINVAL;
+
if (!sband->vht_cap.vht_supported ||
sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT ||
sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_5 ||
@@ -916,12 +923,16 @@ ieee80211_mesh_process_chnswitch(struct ieee80211_sub_if_data *sdata,
struct cfg80211_csa_settings params;
struct ieee80211_csa_ie csa_ie;
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
- enum nl80211_band band = ieee80211_get_sdata_band(sdata);
+ struct ieee80211_supported_band *sband;
int err;
u32 sta_flags;
sdata_assert_lock(sdata);
+ sband = ieee80211_get_sband(sdata);
+ if (!sband)
+ return false;
+
sta_flags = IEEE80211_STA_DISABLE_VHT;
switch (sdata->vif.bss_conf.chandef.width) {
case NL80211_CHAN_WIDTH_20_NOHT:
@@ -935,7 +946,7 @@ ieee80211_mesh_process_chnswitch(struct ieee80211_sub_if_data *sdata,
memset(&params, 0, sizeof(params));
memset(&csa_ie, 0, sizeof(csa_ie));
- err = ieee80211_parse_ch_switch_ie(sdata, elems, band,
+ err = ieee80211_parse_ch_switch_ie(sdata, elems, sband->band,
sta_flags, sdata->vif.addr,
&csa_ie);
if (err < 0)
@@ -1100,8 +1111,14 @@ static void ieee80211_mesh_rx_bcn_presp(struct ieee80211_sub_if_data *sdata,
if (!channel || channel->flags & IEEE80211_CHAN_DISABLED)
return;
- if (mesh_matches_local(sdata, &elems))
- mesh_neighbour_update(sdata, mgmt->sa, &elems);
+ if (mesh_matches_local(sdata, &elems)) {
+ mpl_dbg(sdata, "rssi_threshold=%d,rx_status->signal=%d\n",
+ sdata->u.mesh.mshcfg.rssi_threshold, rx_status->signal);
+ if (!sdata->u.mesh.user_mpm ||
+ sdata->u.mesh.mshcfg.rssi_threshold == 0 ||
+ sdata->u.mesh.mshcfg.rssi_threshold < rx_status->signal)
+ mesh_neighbour_update(sdata, mgmt->sa, &elems);
+ }
if (ifmsh->sync_ops)
ifmsh->sync_ops->rx_bcn_presp(sdata,
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index b747c9645e43..4005edd71fe8 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -16,6 +16,7 @@
#define TEST_FRAME_LEN 8192
#define MAX_METRIC 0xffffffff
#define ARITH_SHIFT 8
+#define LINK_FAIL_THRESH 95
#define MAX_PREQ_QUEUE_LEN 64
@@ -307,10 +308,12 @@ void ieee80211s_update_metric(struct ieee80211_local *local,
failed = !(txinfo->flags & IEEE80211_TX_STAT_ACK);
- /* moving average, scaled to 100 */
- sta->mesh->fail_avg =
- ((80 * sta->mesh->fail_avg + 5) / 100 + 20 * failed);
- if (sta->mesh->fail_avg > 95)
+ /* moving average, scaled to 100.
+ * feed failure as 100 and success as 0
+ */
+ ewma_mesh_fail_avg_add(&sta->mesh->fail_avg, failed * 100);
+ if (ewma_mesh_fail_avg_read(&sta->mesh->fail_avg) >
+ LINK_FAIL_THRESH)
mesh_plink_broken(sta);
}
@@ -325,6 +328,8 @@ static u32 airtime_link_metric_get(struct ieee80211_local *local,
int rate, err;
u32 tx_time, estimated_retx;
u64 result;
+ unsigned long fail_avg =
+ ewma_mesh_fail_avg_read(&sta->mesh->fail_avg);
/* Try to get rate based on HW/SW RC algorithm.
* Rate is returned in units of Kbps, correct this
@@ -336,7 +341,7 @@ static u32 airtime_link_metric_get(struct ieee80211_local *local,
if (rate) {
err = 0;
} else {
- if (sta->mesh->fail_avg >= 100)
+ if (fail_avg > LINK_FAIL_THRESH)
return MAX_METRIC;
sta_set_rate_info_tx(sta, &sta->tx_stats.last_rate, &rinfo);
@@ -344,7 +349,7 @@ static u32 airtime_link_metric_get(struct ieee80211_local *local,
if (WARN_ON(!rate))
return MAX_METRIC;
- err = (sta->mesh->fail_avg << ARITH_SHIFT) / 100;
+ err = (fail_avg << ARITH_SHIFT) / 100;
}
/* bitrate is in units of 100 Kbps, while we need rate in units of
@@ -484,6 +489,9 @@ static u32 hwmp_route_info_get(struct ieee80211_sub_if_data *sdata,
? mpath->exp_time : exp_time;
mesh_path_activate(mpath);
spin_unlock_bh(&mpath->state_lock);
+ ewma_mesh_fail_avg_init(&sta->mesh->fail_avg);
+ /* init it at a low value - 0 start is tricky */
+ ewma_mesh_fail_avg_add(&sta->mesh->fail_avg, 1);
mesh_path_tx_pending(mpath);
/* draft says preq_id should be saved to, but there does
* not seem to be any use for it, skipping by now
@@ -522,6 +530,9 @@ static u32 hwmp_route_info_get(struct ieee80211_sub_if_data *sdata,
? mpath->exp_time : exp_time;
mesh_path_activate(mpath);
spin_unlock_bh(&mpath->state_lock);
+ ewma_mesh_fail_avg_init(&sta->mesh->fail_avg);
+ /* init it at a low value - 0 start is tricky */
+ ewma_mesh_fail_avg_add(&sta->mesh->fail_avg, 1);
mesh_path_tx_pending(mpath);
} else
spin_unlock_bh(&mpath->state_lock);
diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c
index f0e6175a9821..97269caafecd 100644
--- a/net/mac80211/mesh_pathtbl.c
+++ b/net/mac80211/mesh_pathtbl.c
@@ -397,11 +397,10 @@ struct mesh_path *mesh_path_new(struct ieee80211_sub_if_data *sdata,
new_mpath->sdata = sdata;
new_mpath->flags = 0;
skb_queue_head_init(&new_mpath->frame_queue);
- new_mpath->timer.data = (unsigned long) new_mpath;
- new_mpath->timer.function = mesh_path_timer;
new_mpath->exp_time = jiffies;
spin_lock_init(&new_mpath->state_lock);
- init_timer(&new_mpath->timer);
+ setup_timer(&new_mpath->timer, mesh_path_timer,
+ (unsigned long) new_mpath);
return new_mpath;
}
@@ -829,6 +828,9 @@ void mesh_path_fix_nexthop(struct mesh_path *mpath, struct sta_info *next_hop)
mpath->flags = MESH_PATH_FIXED | MESH_PATH_SN_VALID;
mesh_path_activate(mpath);
spin_unlock_bh(&mpath->state_lock);
+ ewma_mesh_fail_avg_init(&next_hop->mesh->fail_avg);
+ /* init it at a low value - 0 start is tricky */
+ ewma_mesh_fail_avg_add(&next_hop->mesh->fail_avg, 1);
mesh_path_tx_pending(mpath);
}
diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c
index 953d71e784a9..1131cd504a15 100644
--- a/net/mac80211/mesh_plink.c
+++ b/net/mac80211/mesh_plink.c
@@ -95,19 +95,23 @@ static inline void mesh_plink_fsm_restart(struct sta_info *sta)
static u32 mesh_set_short_slot_time(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_local *local = sdata->local;
- enum nl80211_band band = ieee80211_get_sdata_band(sdata);
- struct ieee80211_supported_band *sband = local->hw.wiphy->bands[band];
+ struct ieee80211_supported_band *sband;
struct sta_info *sta;
u32 erp_rates = 0, changed = 0;
int i;
bool short_slot = false;
- if (band == NL80211_BAND_5GHZ) {
+ sband = ieee80211_get_sband(sdata);
+ if (!sband)
+ return changed;
+
+ if (sband->band == NL80211_BAND_5GHZ) {
/* (IEEE 802.11-2012 19.4.5) */
short_slot = true;
goto out;
- } else if (band != NL80211_BAND_2GHZ)
+ } else if (sband->band != NL80211_BAND_2GHZ) {
goto out;
+ }
for (i = 0; i < sband->n_bitrates; i++)
if (sband->bitrates[i].flags & IEEE80211_RATE_ERP_G)
@@ -123,7 +127,7 @@ static u32 mesh_set_short_slot_time(struct ieee80211_sub_if_data *sdata)
continue;
short_slot = false;
- if (erp_rates & sta->sta.supp_rates[band])
+ if (erp_rates & sta->sta.supp_rates[sband->band])
short_slot = true;
else
break;
@@ -249,7 +253,15 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata,
mgmt->u.action.u.self_prot.action_code = action;
if (action != WLAN_SP_MESH_PEERING_CLOSE) {
- enum nl80211_band band = ieee80211_get_sdata_band(sdata);
+ struct ieee80211_supported_band *sband;
+ enum nl80211_band band;
+
+ sband = ieee80211_get_sband(sdata);
+ if (!sband) {
+ err = -EINVAL;
+ goto free;
+ }
+ band = sband->band;
/* capability info */
pos = skb_put(skb, 2);
@@ -395,13 +407,16 @@ static void mesh_sta_info_init(struct ieee80211_sub_if_data *sdata,
struct ieee802_11_elems *elems, bool insert)
{
struct ieee80211_local *local = sdata->local;
- enum nl80211_band band = ieee80211_get_sdata_band(sdata);
struct ieee80211_supported_band *sband;
u32 rates, basic_rates = 0, changed = 0;
enum ieee80211_sta_rx_bandwidth bw = sta->sta.bandwidth;
- sband = local->hw.wiphy->bands[band];
- rates = ieee80211_sta_get_rates(sdata, elems, band, &basic_rates);
+ sband = ieee80211_get_sband(sdata);
+ if (!sband)
+ return;
+
+ rates = ieee80211_sta_get_rates(sdata, elems, sband->band,
+ &basic_rates);
spin_lock_bh(&sta->mesh->plink_lock);
sta->rx_stats.last_rx = jiffies;
@@ -412,9 +427,9 @@ static void mesh_sta_info_init(struct ieee80211_sub_if_data *sdata,
goto out;
sta->mesh->processed_beacon = true;
- if (sta->sta.supp_rates[band] != rates)
+ if (sta->sta.supp_rates[sband->band] != rates)
changed |= IEEE80211_RC_SUPP_RATES_CHANGED;
- sta->sta.supp_rates[band] = rates;
+ sta->sta.supp_rates[sband->band] = rates;
if (ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
elems->ht_cap_elem, sta))
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 6e90301154d5..89dff563b1ec 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -6,7 +6,7 @@
* Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
* Copyright 2007, Michael Wu <flamingice@sourmilk.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
- * Copyright (C) 2015 - 2016 Intel Deutschland GmbH
+ * Copyright (C) 2015 - 2017 Intel Deutschland 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
@@ -1855,11 +1855,16 @@ static u32 ieee80211_handle_bss_capability(struct ieee80211_sub_if_data *sdata,
u16 capab, bool erp_valid, u8 erp)
{
struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf;
+ struct ieee80211_supported_band *sband;
u32 changed = 0;
bool use_protection;
bool use_short_preamble;
bool use_short_slot;
+ sband = ieee80211_get_sband(sdata);
+ if (!sband)
+ return changed;
+
if (erp_valid) {
use_protection = (erp & WLAN_ERP_USE_PROTECTION) != 0;
use_short_preamble = (erp & WLAN_ERP_BARKER_PREAMBLE) == 0;
@@ -1869,7 +1874,7 @@ static u32 ieee80211_handle_bss_capability(struct ieee80211_sub_if_data *sdata,
}
use_short_slot = !!(capab & WLAN_CAPABILITY_SHORT_SLOT_TIME);
- if (ieee80211_get_sdata_band(sdata) == NL80211_BAND_5GHZ)
+ if (sband->band == NL80211_BAND_5GHZ)
use_short_slot = true;
if (use_protection != bss_conf->use_cts_prot) {
@@ -1908,6 +1913,8 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata,
sdata->u.mgd.associated = cbss;
memcpy(sdata->u.mgd.bssid, cbss->bssid, ETH_ALEN);
+ ieee80211_check_rate_mask(sdata);
+
sdata->u.mgd.flags |= IEEE80211_STA_RESET_SIGNAL_AVE;
if (sdata->vif.p2p ||
@@ -2797,8 +2804,9 @@ static void ieee80211_rx_mgmt_disassoc(struct ieee80211_sub_if_data *sdata,
reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code);
- sdata_info(sdata, "disassociated from %pM (Reason: %u)\n",
- mgmt->sa, reason_code);
+ sdata_info(sdata, "disassociated from %pM (Reason: %u=%s)\n",
+ mgmt->sa, reason_code,
+ ieee80211_get_reason_code_string(reason_code));
ieee80211_set_disassoc(sdata, 0, 0, false, NULL);
@@ -2822,15 +2830,15 @@ static void ieee80211_get_rates(struct ieee80211_supported_band *sband,
*have_higher_than_11mbit = true;
/*
- * BSS_MEMBERSHIP_SELECTOR_HT_PHY is defined in 802.11n-2009
- * 7.3.2.2 as a magic value instead of a rate. Hence, skip it.
+ * Skip HT and VHT BSS membership selectors since they're not
+ * rates.
*
- * Note: Even through the membership selector and the basic
+ * Note: Even though the membership selector and the basic
* rate flag share the same bit, they are not exactly
* the same.
*/
- if (!!(supp_rates[i] & 0x80) &&
- (supp_rates[i] & 0x7f) == BSS_MEMBERSHIP_SELECTOR_HT_PHY)
+ if (supp_rates[i] == (0x80 | BSS_MEMBERSHIP_SELECTOR_HT_PHY) ||
+ supp_rates[i] == (0x80 | BSS_MEMBERSHIP_SELECTOR_VHT_PHY))
continue;
for (j = 0; j < sband->n_bitrates; j++) {
@@ -3001,7 +3009,12 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
goto out;
}
- sband = local->hw.wiphy->bands[ieee80211_get_sdata_band(sdata)];
+ sband = ieee80211_get_sband(sdata);
+ if (!sband) {
+ mutex_unlock(&sdata->local->sta_mtx);
+ ret = false;
+ goto out;
+ }
/* Set up internal HT/VHT capabilities */
if (elems.ht_cap_elem && !(ifmgd->flags & IEEE80211_STA_DISABLE_HT))
@@ -3085,6 +3098,18 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
}
changed |= BSS_CHANGED_QOS;
+ if (elems.max_idle_period_ie) {
+ bss_conf->max_idle_period =
+ le16_to_cpu(elems.max_idle_period_ie->max_idle_period);
+ bss_conf->protected_keep_alive =
+ !!(elems.max_idle_period_ie->idle_options &
+ WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE);
+ changed |= BSS_CHANGED_KEEP_ALIVE;
+ } else {
+ bss_conf->max_idle_period = 0;
+ bss_conf->protected_keep_alive = false;
+ }
+
/* set AID and assoc capability,
* ieee80211_set_associated() will tell the driver */
bss_conf->aid = aid;
@@ -3430,6 +3455,30 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
}
}
+ if (bss_conf->cqm_rssi_low &&
+ ifmgd->count_beacon_signal >= IEEE80211_SIGNAL_AVE_MIN_COUNT) {
+ int sig = -ewma_beacon_signal_read(&ifmgd->ave_beacon_signal);
+ int last_event = ifmgd->last_cqm_event_signal;
+ int low = bss_conf->cqm_rssi_low;
+ int high = bss_conf->cqm_rssi_high;
+
+ if (sig < low &&
+ (last_event == 0 || last_event >= low)) {
+ ifmgd->last_cqm_event_signal = sig;
+ ieee80211_cqm_rssi_notify(
+ &sdata->vif,
+ NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW,
+ sig, GFP_KERNEL);
+ } else if (sig > high &&
+ (last_event == 0 || last_event <= high)) {
+ ifmgd->last_cqm_event_signal = sig;
+ ieee80211_cqm_rssi_notify(
+ &sdata->vif,
+ NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH,
+ sig, GFP_KERNEL);
+ }
+ }
+
if (ifmgd->flags & IEEE80211_STA_CONNECTION_POLL) {
mlme_dbg_ratelimited(sdata,
"cancelling AP probe due to a received beacon\n");
diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c
index 76a8bcd8ef11..a87d195c4a61 100644
--- a/net/mac80211/pm.c
+++ b/net/mac80211/pm.c
@@ -10,7 +10,7 @@ static void ieee80211_sched_scan_cancel(struct ieee80211_local *local)
{
if (ieee80211_request_sched_scan_stop(local))
return;
- cfg80211_sched_scan_stopped_rtnl(local->hw.wiphy);
+ cfg80211_sched_scan_stopped_rtnl(local->hw.wiphy, 0);
}
int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c
index 206698bc93f4..ea1f4315c521 100644
--- a/net/mac80211/rate.c
+++ b/net/mac80211/rate.c
@@ -2,6 +2,7 @@
* Copyright 2002-2005, Instant802 Networks, Inc.
* Copyright 2005-2006, Devicescape Software, Inc.
* Copyright (c) 2006 Jiri Benc <jbenc@suse.cz>
+ * Copyright 2017 Intel Deutschland 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
@@ -61,6 +62,28 @@ void rate_control_rate_init(struct sta_info *sta)
set_sta_flag(sta, WLAN_STA_RATE_CONTROL);
}
+void rate_control_tx_status(struct ieee80211_local *local,
+ struct ieee80211_supported_band *sband,
+ struct ieee80211_tx_status *st)
+{
+ struct rate_control_ref *ref = local->rate_ctrl;
+ struct sta_info *sta = container_of(st->sta, struct sta_info, sta);
+ void *priv_sta = sta->rate_ctrl_priv;
+
+ if (!ref || !test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
+ return;
+
+ spin_lock_bh(&sta->rate_ctrl_lock);
+ if (ref->ops->tx_status_ext)
+ ref->ops->tx_status_ext(ref->priv, sband, priv_sta, st);
+ else if (st->skb)
+ ref->ops->tx_status(ref->priv, sband, st->sta, priv_sta, st->skb);
+ else
+ WARN_ON_ONCE(1);
+
+ spin_unlock_bh(&sta->rate_ctrl_lock);
+}
+
void rate_control_rate_update(struct ieee80211_local *local,
struct ieee80211_supported_band *sband,
struct sta_info *sta, u32 changed)
@@ -173,9 +196,11 @@ ieee80211_rate_control_ops_get(const char *name)
/* try default if specific alg requested but not found */
ops = ieee80211_try_rate_control_ops_get(ieee80211_default_rc_algo);
- /* try built-in one if specific alg requested but not found */
- if (!ops && strlen(CONFIG_MAC80211_RC_DEFAULT))
+ /* Note: check for > 0 is intentional to avoid clang warning */
+ if (!ops && (strlen(CONFIG_MAC80211_RC_DEFAULT) > 0))
+ /* try built-in one if specific alg requested but not found */
ops = ieee80211_try_rate_control_ops_get(CONFIG_MAC80211_RC_DEFAULT);
+
kernel_param_unlock(THIS_MODULE);
return ops;
@@ -208,7 +233,6 @@ static struct rate_control_ref *rate_control_alloc(const char *name,
ref = kmalloc(sizeof(struct rate_control_ref), GFP_KERNEL);
if (!ref)
return NULL;
- ref->local = local;
ref->ops = ieee80211_rate_control_ops_get(name);
if (!ref->ops)
goto free;
@@ -229,18 +253,45 @@ free:
return NULL;
}
-static void rate_control_free(struct rate_control_ref *ctrl_ref)
+static void rate_control_free(struct ieee80211_local *local,
+ struct rate_control_ref *ctrl_ref)
{
ctrl_ref->ops->free(ctrl_ref->priv);
#ifdef CONFIG_MAC80211_DEBUGFS
- debugfs_remove_recursive(ctrl_ref->local->debugfs.rcdir);
- ctrl_ref->local->debugfs.rcdir = NULL;
+ debugfs_remove_recursive(local->debugfs.rcdir);
+ local->debugfs.rcdir = NULL;
#endif
kfree(ctrl_ref);
}
+void ieee80211_check_rate_mask(struct ieee80211_sub_if_data *sdata)
+{
+ struct ieee80211_local *local = sdata->local;
+ struct ieee80211_supported_band *sband;
+ u32 user_mask, basic_rates = sdata->vif.bss_conf.basic_rates;
+ enum nl80211_band band;
+
+ if (WARN_ON(!sdata->vif.bss_conf.chandef.chan))
+ return;
+
+ if (WARN_ON_ONCE(!basic_rates))
+ return;
+
+ band = sdata->vif.bss_conf.chandef.chan->band;
+ user_mask = sdata->rc_rateidx_mask[band];
+ sband = local->hw.wiphy->bands[band];
+
+ if (user_mask & basic_rates)
+ return;
+
+ sdata_dbg(sdata,
+ "no overlap between basic rates (0x%x) and user mask (0x%x on band %d) - clearing the latter",
+ basic_rates, user_mask, band);
+ sdata->rc_rateidx_mask[band] = (1 << sband->n_bitrates) - 1;
+}
+
static bool rc_no_data_or_no_ack_use_min(struct ieee80211_tx_rate_control *txrc)
{
struct sk_buff *skb = txrc->skb;
@@ -875,7 +926,9 @@ int rate_control_set_rates(struct ieee80211_hw *hw,
struct ieee80211_sta_rates *old;
struct ieee80211_supported_band *sband;
- sband = hw->wiphy->bands[ieee80211_get_sdata_band(sta->sdata)];
+ sband = ieee80211_get_sband(sta->sdata);
+ if (!sband)
+ return -EINVAL;
rate_control_apply_mask_ratetbl(sta, sband, rates);
/*
* mac80211 guarantees that this function will not be called
@@ -936,6 +989,6 @@ void rate_control_deinitialize(struct ieee80211_local *local)
return;
local->rate_ctrl = NULL;
- rate_control_free(ref);
+ rate_control_free(local, ref);
}
diff --git a/net/mac80211/rate.h b/net/mac80211/rate.h
index 8d3260785b94..8212bfeb71d6 100644
--- a/net/mac80211/rate.h
+++ b/net/mac80211/rate.h
@@ -20,7 +20,6 @@
#include "driver-ops.h"
struct rate_control_ref {
- struct ieee80211_local *local;
const struct rate_control_ops *ops;
void *priv;
};
@@ -29,47 +28,9 @@ void rate_control_get_rate(struct ieee80211_sub_if_data *sdata,
struct sta_info *sta,
struct ieee80211_tx_rate_control *txrc);
-static inline void rate_control_tx_status(struct ieee80211_local *local,
- struct ieee80211_supported_band *sband,
- struct sta_info *sta,
- struct sk_buff *skb)
-{
- struct rate_control_ref *ref = local->rate_ctrl;
- struct ieee80211_sta *ista = &sta->sta;
- void *priv_sta = sta->rate_ctrl_priv;
- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
-
- if (!ref || !test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
- return;
-
- spin_lock_bh(&sta->rate_ctrl_lock);
- if (ref->ops->tx_status)
- ref->ops->tx_status(ref->priv, sband, ista, priv_sta, skb);
- else
- ref->ops->tx_status_noskb(ref->priv, sband, ista, priv_sta, info);
- spin_unlock_bh(&sta->rate_ctrl_lock);
-}
-
-static inline void
-rate_control_tx_status_noskb(struct ieee80211_local *local,
- struct ieee80211_supported_band *sband,
- struct sta_info *sta,
- struct ieee80211_tx_info *info)
-{
- struct rate_control_ref *ref = local->rate_ctrl;
- struct ieee80211_sta *ista = &sta->sta;
- void *priv_sta = sta->rate_ctrl_priv;
-
- if (!ref || !test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
- return;
-
- if (WARN_ON_ONCE(!ref->ops->tx_status_noskb))
- return;
-
- spin_lock_bh(&sta->rate_ctrl_lock);
- ref->ops->tx_status_noskb(ref->priv, sband, ista, priv_sta, info);
- spin_unlock_bh(&sta->rate_ctrl_lock);
-}
+void rate_control_tx_status(struct ieee80211_local *local,
+ struct ieee80211_supported_band *sband,
+ struct ieee80211_tx_status *st);
void rate_control_rate_init(struct sta_info *sta);
void rate_control_rate_update(struct ieee80211_local *local,
@@ -111,6 +72,8 @@ static inline void rate_control_remove_sta_debugfs(struct sta_info *sta)
#endif
}
+void ieee80211_check_rate_mask(struct ieee80211_sub_if_data *sdata);
+
/* Get a reference to the rate control algorithm. If `name' is NULL, get the
* first available algorithm. */
int ieee80211_init_rate_ctrl_alg(struct ieee80211_local *local,
diff --git a/net/mac80211/rc80211_minstrel.c b/net/mac80211/rc80211_minstrel.c
index 3ebe4405a2d4..9766c1cc4b0a 100644
--- a/net/mac80211/rc80211_minstrel.c
+++ b/net/mac80211/rc80211_minstrel.c
@@ -264,9 +264,9 @@ minstrel_update_stats(struct minstrel_priv *mp, struct minstrel_sta_info *mi)
static void
minstrel_tx_status(void *priv, struct ieee80211_supported_band *sband,
- struct ieee80211_sta *sta, void *priv_sta,
- struct ieee80211_tx_info *info)
+ void *priv_sta, struct ieee80211_tx_status *st)
{
+ struct ieee80211_tx_info *info = st->info;
struct minstrel_priv *mp = priv;
struct minstrel_sta_info *mi = priv_sta;
struct ieee80211_tx_rate *ar = info->status.rates;
@@ -726,7 +726,7 @@ static u32 minstrel_get_expected_throughput(void *priv_sta)
const struct rate_control_ops mac80211_minstrel = {
.name = "minstrel",
- .tx_status_noskb = minstrel_tx_status,
+ .tx_status_ext = minstrel_tx_status,
.get_rate = minstrel_get_rate,
.rate_init = minstrel_rate_init,
.alloc = minstrel_alloc,
diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c
index 8e783e197e93..4a5bdad9f303 100644
--- a/net/mac80211/rc80211_minstrel_ht.c
+++ b/net/mac80211/rc80211_minstrel_ht.c
@@ -678,9 +678,9 @@ minstrel_aggr_check(struct ieee80211_sta *pubsta, struct sk_buff *skb)
static void
minstrel_ht_tx_status(void *priv, struct ieee80211_supported_band *sband,
- struct ieee80211_sta *sta, void *priv_sta,
- struct ieee80211_tx_info *info)
+ void *priv_sta, struct ieee80211_tx_status *st)
{
+ struct ieee80211_tx_info *info = st->info;
struct minstrel_ht_sta_priv *msp = priv_sta;
struct minstrel_ht_sta *mi = &msp->ht;
struct ieee80211_tx_rate *ar = info->status.rates;
@@ -690,8 +690,8 @@ minstrel_ht_tx_status(void *priv, struct ieee80211_supported_band *sband,
int i;
if (!msp->is_ht)
- return mac80211_minstrel.tx_status_noskb(priv, sband, sta,
- &msp->legacy, info);
+ return mac80211_minstrel.tx_status_ext(priv, sband,
+ &msp->legacy, st);
/* This packet was aggregated but doesn't carry status info */
if ((info->flags & IEEE80211_TX_CTL_AMPDU) &&
@@ -1374,7 +1374,7 @@ static u32 minstrel_ht_get_expected_throughput(void *priv_sta)
static const struct rate_control_ops mac80211_minstrel_ht = {
.name = "minstrel_ht",
- .tx_status_noskb = minstrel_ht_tx_status,
+ .tx_status_ext = minstrel_ht_tx_status,
.get_rate = minstrel_ht_get_rate,
.rate_init = minstrel_ht_rate_init,
.rate_update = minstrel_ht_rate_update,
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 4d7543d1a62c..35f4c7d7a500 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -95,24 +95,13 @@ static u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len,
* This function cleans up the SKB, i.e. it removes all the stuff
* only useful for monitoring.
*/
-static struct sk_buff *remove_monitor_info(struct ieee80211_local *local,
- struct sk_buff *skb,
- unsigned int rtap_vendor_space)
+static void remove_monitor_info(struct sk_buff *skb,
+ unsigned int present_fcs_len,
+ unsigned int rtap_vendor_space)
{
- if (ieee80211_hw_check(&local->hw, RX_INCLUDES_FCS)) {
- if (likely(skb->len > FCS_LEN))
- __pskb_trim(skb, skb->len - FCS_LEN);
- else {
- /* driver bug */
- WARN_ON(1);
- dev_kfree_skb(skb);
- return NULL;
- }
- }
-
+ if (present_fcs_len)
+ __pskb_trim(skb, skb->len - present_fcs_len);
__pskb_pull(skb, rtap_vendor_space);
-
- return skb;
}
static inline bool should_drop_frame(struct sk_buff *skb, int present_fcs_len,
@@ -167,7 +156,7 @@ ieee80211_rx_radiotap_hdrlen(struct ieee80211_local *local,
/* padding for RX_FLAGS if necessary */
len = ALIGN(len, 2);
- if (status->flag & RX_FLAG_HT) /* HT info */
+ if (status->encoding == RX_ENC_HT) /* HT info */
len += 3;
if (status->flag & RX_FLAG_AMPDU_DETAILS) {
@@ -175,7 +164,7 @@ ieee80211_rx_radiotap_hdrlen(struct ieee80211_local *local,
len += 8;
}
- if (status->flag & RX_FLAG_VHT) {
+ if (status->encoding == RX_ENC_VHT) {
len = ALIGN(len, 2);
len += 12;
}
@@ -340,12 +329,12 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
*pos |= IEEE80211_RADIOTAP_F_FCS;
if (status->flag & (RX_FLAG_FAILED_FCS_CRC | RX_FLAG_FAILED_PLCP_CRC))
*pos |= IEEE80211_RADIOTAP_F_BADFCS;
- if (status->flag & RX_FLAG_SHORTPRE)
+ if (status->enc_flags & RX_ENC_FLAG_SHORTPRE)
*pos |= IEEE80211_RADIOTAP_F_SHORTPRE;
pos++;
/* IEEE80211_RADIOTAP_RATE */
- if (!rate || status->flag & (RX_FLAG_HT | RX_FLAG_VHT)) {
+ if (!rate || status->encoding != RX_ENC_LEGACY) {
/*
* Without rate information don't add it. If we have,
* MCS information is a separate field in radiotap,
@@ -356,9 +345,9 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
} else {
int shift = 0;
rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_RATE);
- if (status->flag & RX_FLAG_10MHZ)
+ if (status->bw == RATE_INFO_BW_10)
shift = 1;
- else if (status->flag & RX_FLAG_5MHZ)
+ else if (status->bw == RATE_INFO_BW_5)
shift = 2;
*pos = DIV_ROUND_UP(rate->bitrate, 5 * (1 << shift));
}
@@ -367,14 +356,14 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
/* IEEE80211_RADIOTAP_CHANNEL */
put_unaligned_le16(status->freq, pos);
pos += 2;
- if (status->flag & RX_FLAG_10MHZ)
+ if (status->bw == RATE_INFO_BW_10)
channel_flags |= IEEE80211_CHAN_HALF;
- else if (status->flag & RX_FLAG_5MHZ)
+ else if (status->bw == RATE_INFO_BW_5)
channel_flags |= IEEE80211_CHAN_QUARTER;
if (status->band == NL80211_BAND_5GHZ)
channel_flags |= IEEE80211_CHAN_OFDM | IEEE80211_CHAN_5GHZ;
- else if (status->flag & (RX_FLAG_HT | RX_FLAG_VHT))
+ else if (status->encoding != RX_ENC_LEGACY)
channel_flags |= IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ;
else if (rate && rate->flags & IEEE80211_RATE_ERP_G)
channel_flags |= IEEE80211_CHAN_OFDM | IEEE80211_CHAN_2GHZ;
@@ -413,21 +402,21 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
put_unaligned_le16(rx_flags, pos);
pos += 2;
- if (status->flag & RX_FLAG_HT) {
+ if (status->encoding == RX_ENC_HT) {
unsigned int stbc;
rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_MCS);
*pos++ = local->hw.radiotap_mcs_details;
*pos = 0;
- if (status->flag & RX_FLAG_SHORT_GI)
+ if (status->enc_flags & RX_ENC_FLAG_SHORT_GI)
*pos |= IEEE80211_RADIOTAP_MCS_SGI;
- if (status->flag & RX_FLAG_40MHZ)
+ if (status->bw == RATE_INFO_BW_40)
*pos |= IEEE80211_RADIOTAP_MCS_BW_40;
- if (status->flag & RX_FLAG_HT_GF)
+ if (status->enc_flags & RX_ENC_FLAG_HT_GF)
*pos |= IEEE80211_RADIOTAP_MCS_FMT_GF;
- if (status->flag & RX_FLAG_LDPC)
+ if (status->enc_flags & RX_ENC_FLAG_LDPC)
*pos |= IEEE80211_RADIOTAP_MCS_FEC_LDPC;
- stbc = (status->flag & RX_FLAG_STBC_MASK) >> RX_FLAG_STBC_SHIFT;
+ stbc = (status->enc_flags & RX_ENC_FLAG_STBC_MASK) >> RX_ENC_FLAG_STBC_SHIFT;
*pos |= stbc << IEEE80211_RADIOTAP_MCS_STBC_SHIFT;
pos++;
*pos++ = status->rate_idx;
@@ -460,35 +449,40 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
*pos++ = 0;
}
- if (status->flag & RX_FLAG_VHT) {
+ if (status->encoding == RX_ENC_VHT) {
u16 known = local->hw.radiotap_vht_details;
rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_VHT);
put_unaligned_le16(known, pos);
pos += 2;
/* flags */
- if (status->flag & RX_FLAG_SHORT_GI)
+ if (status->enc_flags & RX_ENC_FLAG_SHORT_GI)
*pos |= IEEE80211_RADIOTAP_VHT_FLAG_SGI;
/* in VHT, STBC is binary */
- if (status->flag & RX_FLAG_STBC_MASK)
+ if (status->enc_flags & RX_ENC_FLAG_STBC_MASK)
*pos |= IEEE80211_RADIOTAP_VHT_FLAG_STBC;
- if (status->vht_flag & RX_VHT_FLAG_BF)
+ if (status->enc_flags & RX_ENC_FLAG_BF)
*pos |= IEEE80211_RADIOTAP_VHT_FLAG_BEAMFORMED;
pos++;
/* bandwidth */
- if (status->vht_flag & RX_VHT_FLAG_80MHZ)
+ switch (status->bw) {
+ case RATE_INFO_BW_80:
*pos++ = 4;
- else if (status->vht_flag & RX_VHT_FLAG_160MHZ)
+ break;
+ case RATE_INFO_BW_160:
*pos++ = 11;
- else if (status->flag & RX_FLAG_40MHZ)
+ break;
+ case RATE_INFO_BW_40:
*pos++ = 1;
- else /* 20 MHz */
+ break;
+ default:
*pos++ = 0;
+ }
/* MCS/NSS */
- *pos = (status->rate_idx << 4) | status->vht_nss;
+ *pos = (status->rate_idx << 4) | status->nss;
pos += 4;
/* coding field */
- if (status->flag & RX_FLAG_LDPC)
+ if (status->enc_flags & RX_ENC_FLAG_LDPC)
*pos |= IEEE80211_RADIOTAP_CODING_LDPC_USER0;
pos++;
/* group ID */
@@ -544,6 +538,59 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
}
}
+static struct sk_buff *
+ieee80211_make_monitor_skb(struct ieee80211_local *local,
+ struct sk_buff **origskb,
+ struct ieee80211_rate *rate,
+ int rtap_vendor_space, bool use_origskb)
+{
+ struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(*origskb);
+ int rt_hdrlen, needed_headroom;
+ struct sk_buff *skb;
+
+ /* room for the radiotap header based on driver features */
+ rt_hdrlen = ieee80211_rx_radiotap_hdrlen(local, status, *origskb);
+ needed_headroom = rt_hdrlen - rtap_vendor_space;
+
+ if (use_origskb) {
+ /* only need to expand headroom if necessary */
+ skb = *origskb;
+ *origskb = NULL;
+
+ /*
+ * This shouldn't trigger often because most devices have an
+ * RX header they pull before we get here, and that should
+ * be big enough for our radiotap information. We should
+ * probably export the length to drivers so that we can have
+ * them allocate enough headroom to start with.
+ */
+ if (skb_headroom(skb) < needed_headroom &&
+ pskb_expand_head(skb, needed_headroom, 0, GFP_ATOMIC)) {
+ dev_kfree_skb(skb);
+ return NULL;
+ }
+ } else {
+ /*
+ * Need to make a copy and possibly remove radiotap header
+ * and FCS from the original.
+ */
+ skb = skb_copy_expand(*origskb, needed_headroom, 0, GFP_ATOMIC);
+
+ if (!skb)
+ return NULL;
+ }
+
+ /* prepend radiotap information */
+ ieee80211_add_rx_radiotap_header(local, skb, rate, rt_hdrlen, true);
+
+ skb_reset_mac_header(skb);
+ skb->ip_summed = CHECKSUM_UNNECESSARY;
+ skb->pkt_type = PACKET_OTHERHOST;
+ skb->protocol = htons(ETH_P_802_2);
+
+ return skb;
+}
+
/*
* This function copies a received frame to all monitor interfaces and
* returns a cleaned-up SKB that no longer includes the FCS nor the
@@ -555,13 +602,12 @@ ieee80211_rx_monitor(struct ieee80211_local *local, struct sk_buff *origskb,
{
struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(origskb);
struct ieee80211_sub_if_data *sdata;
- int rt_hdrlen, needed_headroom;
- struct sk_buff *skb, *skb2;
- struct net_device *prev_dev = NULL;
+ struct sk_buff *monskb = NULL;
int present_fcs_len = 0;
unsigned int rtap_vendor_space = 0;
struct ieee80211_sub_if_data *monitor_sdata =
rcu_dereference(local->monitor_sdata);
+ bool only_monitor = false;
if (unlikely(status->flag & RX_FLAG_RADIOTAP_VENDOR_DATA)) {
struct ieee80211_vendor_radiotap *rtap = (void *)origskb->data;
@@ -578,8 +624,15 @@ ieee80211_rx_monitor(struct ieee80211_local *local, struct sk_buff *origskb,
* the SKB because it has a bad FCS/PLCP checksum.
*/
- if (ieee80211_hw_check(&local->hw, RX_INCLUDES_FCS))
+ if (ieee80211_hw_check(&local->hw, RX_INCLUDES_FCS)) {
+ if (unlikely(origskb->len <= FCS_LEN)) {
+ /* driver bug */
+ WARN_ON(1);
+ dev_kfree_skb(origskb);
+ return NULL;
+ }
present_fcs_len = FCS_LEN;
+ }
/* ensure hdr->frame_control and vendor radiotap data are in skb head */
if (!pskb_may_pull(origskb, 2 + rtap_vendor_space)) {
@@ -587,89 +640,62 @@ ieee80211_rx_monitor(struct ieee80211_local *local, struct sk_buff *origskb,
return NULL;
}
+ only_monitor = should_drop_frame(origskb, present_fcs_len,
+ rtap_vendor_space);
+
if (!local->monitors || (status->flag & RX_FLAG_SKIP_MONITOR)) {
- if (should_drop_frame(origskb, present_fcs_len,
- rtap_vendor_space)) {
+ if (only_monitor) {
dev_kfree_skb(origskb);
return NULL;
}
- return remove_monitor_info(local, origskb, rtap_vendor_space);
+ remove_monitor_info(origskb, present_fcs_len,
+ rtap_vendor_space);
+ return origskb;
}
ieee80211_handle_mu_mimo_mon(monitor_sdata, origskb, rtap_vendor_space);
- /* room for the radiotap header based on driver features */
- rt_hdrlen = ieee80211_rx_radiotap_hdrlen(local, status, origskb);
- needed_headroom = rt_hdrlen - rtap_vendor_space;
-
- if (should_drop_frame(origskb, present_fcs_len, rtap_vendor_space)) {
- /* only need to expand headroom if necessary */
- skb = origskb;
- origskb = NULL;
-
- /*
- * This shouldn't trigger often because most devices have an
- * RX header they pull before we get here, and that should
- * be big enough for our radiotap information. We should
- * probably export the length to drivers so that we can have
- * them allocate enough headroom to start with.
- */
- if (skb_headroom(skb) < needed_headroom &&
- pskb_expand_head(skb, needed_headroom, 0, GFP_ATOMIC)) {
- dev_kfree_skb(skb);
- return NULL;
- }
- } else {
- /*
- * Need to make a copy and possibly remove radiotap header
- * and FCS from the original.
- */
- skb = skb_copy_expand(origskb, needed_headroom, 0, GFP_ATOMIC);
-
- origskb = remove_monitor_info(local, origskb,
- rtap_vendor_space);
-
- if (!skb)
- return origskb;
- }
-
- /* prepend radiotap information */
- ieee80211_add_rx_radiotap_header(local, skb, rate, rt_hdrlen, true);
-
- skb_reset_mac_header(skb);
- skb->ip_summed = CHECKSUM_UNNECESSARY;
- skb->pkt_type = PACKET_OTHERHOST;
- skb->protocol = htons(ETH_P_802_2);
+ list_for_each_entry_rcu(sdata, &local->mon_list, u.mntr.list) {
+ bool last_monitor = list_is_last(&sdata->u.mntr.list,
+ &local->mon_list);
- list_for_each_entry_rcu(sdata, &local->interfaces, list) {
- if (sdata->vif.type != NL80211_IFTYPE_MONITOR)
- continue;
+ if (!monskb)
+ monskb = ieee80211_make_monitor_skb(local, &origskb,
+ rate,
+ rtap_vendor_space,
+ only_monitor &&
+ last_monitor);
- if (sdata->u.mntr.flags & MONITOR_FLAG_COOK_FRAMES)
- continue;
+ if (monskb) {
+ struct sk_buff *skb;
- if (!ieee80211_sdata_running(sdata))
- continue;
+ if (last_monitor) {
+ skb = monskb;
+ monskb = NULL;
+ } else {
+ skb = skb_clone(monskb, GFP_ATOMIC);
+ }
- if (prev_dev) {
- skb2 = skb_clone(skb, GFP_ATOMIC);
- if (skb2) {
- skb2->dev = prev_dev;
- netif_receive_skb(skb2);
+ if (skb) {
+ skb->dev = sdata->dev;
+ ieee80211_rx_stats(skb->dev, skb->len);
+ netif_receive_skb(skb);
}
}
- prev_dev = sdata->dev;
- ieee80211_rx_stats(sdata->dev, skb->len);
+ if (last_monitor)
+ break;
}
- if (prev_dev) {
- skb->dev = prev_dev;
- netif_receive_skb(skb);
- } else
- dev_kfree_skb(skb);
+ /* this happens if last_monitor was erroneously false */
+ dev_kfree_skb(monskb);
+
+ /* ditto */
+ if (!origskb)
+ return NULL;
+ remove_monitor_info(origskb, present_fcs_len, rtap_vendor_space);
return origskb;
}
@@ -3315,8 +3341,8 @@ static void ieee80211_rx_handlers_result(struct ieee80211_rx_data *rx,
status = IEEE80211_SKB_RXCB((rx->skb));
sband = rx->local->hw.wiphy->bands[status->band];
- if (!(status->flag & RX_FLAG_HT) &&
- !(status->flag & RX_FLAG_VHT))
+ if (!(status->encoding == RX_ENC_HT) &&
+ !(status->encoding == RX_ENC_VHT))
rate = &sband->bitrates[status->rate_idx];
ieee80211_rx_cooked_monitor(rx, rate);
@@ -3553,7 +3579,7 @@ static bool ieee80211_accept_frame(struct ieee80211_rx_data *rx)
struct ieee80211_hdr *hdr = (void *)skb->data;
struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
u8 *bssid = ieee80211_get_bssid(hdr, skb->len, sdata->vif.type);
- int multicast = is_multicast_ether_addr(hdr->addr1);
+ bool multicast = is_multicast_ether_addr(hdr->addr1);
switch (sdata->vif.type) {
case NL80211_IFTYPE_STATION:
@@ -3577,7 +3603,7 @@ static bool ieee80211_accept_frame(struct ieee80211_rx_data *rx)
return false;
if (!rx->sta) {
int rate_idx;
- if (status->flag & (RX_FLAG_HT | RX_FLAG_VHT))
+ if (status->encoding != RX_ENC_LEGACY)
rate_idx = 0; /* TODO: HT/VHT rates */
else
rate_idx = status->rate_idx;
@@ -3597,7 +3623,7 @@ static bool ieee80211_accept_frame(struct ieee80211_rx_data *rx)
return false;
if (!rx->sta) {
int rate_idx;
- if (status->flag & RX_FLAG_HT)
+ if (status->encoding != RX_ENC_LEGACY)
rate_idx = 0; /* TODO: HT rates */
else
rate_idx = status->rate_idx;
@@ -4260,7 +4286,8 @@ void ieee80211_rx_napi(struct ieee80211_hw *hw, struct ieee80211_sta *pubsta,
* we probably can't have a valid rate here anyway.
*/
- if (status->flag & RX_FLAG_HT) {
+ switch (status->encoding) {
+ case RX_ENC_HT:
/*
* rate_idx is MCS index, which can be [0-76]
* as documented on:
@@ -4278,14 +4305,19 @@ void ieee80211_rx_napi(struct ieee80211_hw *hw, struct ieee80211_sta *pubsta,
status->rate_idx,
status->rate_idx))
goto drop;
- } else if (status->flag & RX_FLAG_VHT) {
+ break;
+ case RX_ENC_VHT:
if (WARN_ONCE(status->rate_idx > 9 ||
- !status->vht_nss ||
- status->vht_nss > 8,
+ !status->nss ||
+ status->nss > 8,
"Rate marked as a VHT rate but data is invalid: MCS: %d, NSS: %d\n",
- status->rate_idx, status->vht_nss))
+ status->rate_idx, status->nss))
goto drop;
- } else {
+ break;
+ default:
+ WARN_ON_ONCE(1);
+ /* fall through */
+ case RX_ENC_LEGACY:
if (WARN_ON(status->rate_idx >= sband->n_bitrates))
goto drop;
rate = &sband->bitrates[status->rate_idx];
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index faab3c490d2b..47d2ed570470 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -79,9 +79,9 @@ ieee80211_bss_info_update(struct ieee80211_local *local,
bss_meta.signal = (rx_status->signal * 100) / local->hw.max_signal;
bss_meta.scan_width = NL80211_BSS_CHAN_WIDTH_20;
- if (rx_status->flag & RX_FLAG_5MHZ)
+ if (rx_status->bw == RATE_INFO_BW_5)
bss_meta.scan_width = NL80211_BSS_CHAN_WIDTH_5;
- if (rx_status->flag & RX_FLAG_10MHZ)
+ else if (rx_status->bw == RATE_INFO_BW_10)
bss_meta.scan_width = NL80211_BSS_CHAN_WIDTH_10;
bss_meta.chan = channel;
@@ -174,8 +174,8 @@ ieee80211_bss_info_update(struct ieee80211_local *local,
if (beacon) {
struct ieee80211_supported_band *sband =
local->hw.wiphy->bands[rx_status->band];
- if (!(rx_status->flag & RX_FLAG_HT) &&
- !(rx_status->flag & RX_FLAG_VHT))
+ if (!(rx_status->encoding == RX_ENC_HT) &&
+ !(rx_status->encoding == RX_ENC_VHT))
bss->beacon_rate =
&sband->bitrates[rx_status->rate_idx];
}
@@ -1219,7 +1219,7 @@ void ieee80211_sched_scan_results(struct ieee80211_hw *hw)
trace_api_sched_scan_results(local);
- cfg80211_sched_scan_results(hw->wiphy);
+ cfg80211_sched_scan_results(hw->wiphy, 0);
}
EXPORT_SYMBOL(ieee80211_sched_scan_results);
@@ -1239,7 +1239,7 @@ void ieee80211_sched_scan_end(struct ieee80211_local *local)
mutex_unlock(&local->mtx);
- cfg80211_sched_scan_stopped(local->hw.wiphy);
+ cfg80211_sched_scan_stopped(local->hw.wiphy, 0);
}
void ieee80211_sched_scan_stopped_work(struct work_struct *work)
diff --git a/net/mac80211/spectmgmt.c b/net/mac80211/spectmgmt.c
index 97f4c9d6b54c..0782e486fe89 100644
--- a/net/mac80211/spectmgmt.c
+++ b/net/mac80211/spectmgmt.c
@@ -132,9 +132,9 @@ int ieee80211_parse_ch_switch_ie(struct ieee80211_sub_if_data *sdata,
struct ieee80211_vht_operation vht_oper = {
.chan_width =
wide_bw_chansw_ie->new_channel_width,
- .center_freq_seg1_idx =
+ .center_freq_seg0_idx =
wide_bw_chansw_ie->new_center_freq_seg0,
- .center_freq_seg2_idx =
+ .center_freq_seg1_idx =
wide_bw_chansw_ie->new_center_freq_seg1,
/* .basic_mcs_set doesn't matter */
};
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 3323a2fb289b..7cdf7a835bb0 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -2,7 +2,7 @@
* Copyright 2002-2005, Instant802 Networks, Inc.
* Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
* Copyright 2013-2014 Intel Mobile Communications GmbH
- * Copyright (C) 2015 - 2016 Intel Deutschland GmbH
+ * Copyright (C) 2015 - 2017 Intel Deutschland 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
@@ -395,10 +395,15 @@ struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata,
sta->sta.smps_mode = IEEE80211_SMPS_OFF;
if (sdata->vif.type == NL80211_IFTYPE_AP ||
sdata->vif.type == NL80211_IFTYPE_AP_VLAN) {
- struct ieee80211_supported_band *sband =
- hw->wiphy->bands[ieee80211_get_sdata_band(sdata)];
- u8 smps = (sband->ht_cap.cap & IEEE80211_HT_CAP_SM_PS) >>
- IEEE80211_HT_CAP_SM_PS_SHIFT;
+ struct ieee80211_supported_band *sband;
+ u8 smps;
+
+ sband = ieee80211_get_sband(sdata);
+ if (!sband)
+ goto free_txq;
+
+ smps = (sband->ht_cap.cap & IEEE80211_HT_CAP_SM_PS) >>
+ IEEE80211_HT_CAP_SM_PS_SHIFT;
/*
* Assume that hostapd advertises our caps in the beacon and
* this is the known_smps_mode for a station that just assciated
@@ -1957,24 +1962,32 @@ sta_get_last_rx_stats(struct sta_info *sta)
static void sta_stats_decode_rate(struct ieee80211_local *local, u16 rate,
struct rate_info *rinfo)
{
- rinfo->bw = (rate & STA_STATS_RATE_BW_MASK) >>
- STA_STATS_RATE_BW_SHIFT;
+ rinfo->bw = STA_STATS_GET(BW, rate);
- if (rate & STA_STATS_RATE_VHT) {
+ switch (STA_STATS_GET(TYPE, rate)) {
+ case STA_STATS_RATE_TYPE_VHT:
rinfo->flags = RATE_INFO_FLAGS_VHT_MCS;
- rinfo->mcs = rate & 0xf;
- rinfo->nss = (rate & 0xf0) >> 4;
- } else if (rate & STA_STATS_RATE_HT) {
+ rinfo->mcs = STA_STATS_GET(VHT_MCS, rate);
+ rinfo->nss = STA_STATS_GET(VHT_NSS, rate);
+ if (STA_STATS_GET(SGI, rate))
+ rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
+ break;
+ case STA_STATS_RATE_TYPE_HT:
rinfo->flags = RATE_INFO_FLAGS_MCS;
- rinfo->mcs = rate & 0xff;
- } else if (rate & STA_STATS_RATE_LEGACY) {
+ rinfo->mcs = STA_STATS_GET(HT_MCS, rate);
+ if (STA_STATS_GET(SGI, rate))
+ rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
+ break;
+ case STA_STATS_RATE_TYPE_LEGACY: {
struct ieee80211_supported_band *sband;
u16 brate;
unsigned int shift;
+ int band = STA_STATS_GET(LEGACY_BAND, rate);
+ int rate_idx = STA_STATS_GET(LEGACY_IDX, rate);
rinfo->flags = 0;
- sband = local->hw.wiphy->bands[(rate >> 4) & 0xf];
- brate = sband->bitrates[rate & 0xf].bitrate;
+ sband = local->hw.wiphy->bands[band];
+ brate = sband->bitrates[rate_idx].bitrate;
if (rinfo->bw == RATE_INFO_BW_5)
shift = 2;
else if (rinfo->bw == RATE_INFO_BW_10)
@@ -1982,10 +1995,9 @@ static void sta_stats_decode_rate(struct ieee80211_local *local, u16 rate,
else
shift = 0;
rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
+ break;
+ }
}
-
- if (rate & STA_STATS_RATE_SGI)
- rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
}
static int sta_set_rate_info_rx(struct sta_info *sta, struct rate_info *rinfo)
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index e65cda34d2bc..5609cacb20d5 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -1,7 +1,7 @@
/*
* Copyright 2002-2005, Devicescape Software, Inc.
* Copyright 2013-2014 Intel Mobile Communications GmbH
- * Copyright(c) 2015-2016 Intel Deutschland GmbH
+ * Copyright(c) 2015-2017 Intel Deutschland 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
@@ -16,6 +16,7 @@
#include <linux/if_ether.h>
#include <linux/workqueue.h>
#include <linux/average.h>
+#include <linux/bitfield.h>
#include <linux/etherdevice.h>
#include <linux/rhashtable.h>
#include <linux/u64_stats_sync.h>
@@ -324,6 +325,9 @@ struct ieee80211_fast_rx {
struct rcu_head rcu_head;
};
+/* we use only values in the range 0-100, so pick a large precision */
+DECLARE_EWMA(mesh_fail_avg, 20, 8)
+
/**
* struct mesh_sta - mesh STA information
* @plink_lock: serialize access to plink fields
@@ -369,7 +373,7 @@ struct mesh_sta {
enum nl80211_mesh_power_mode nonpeer_pm;
/* moving percentage of failed MSDUs */
- unsigned int fail_avg;
+ struct ewma_mesh_fail_avg fail_avg;
};
DECLARE_EWMA(signal, 10, 8)
@@ -724,40 +728,55 @@ void ieee80211_sta_ps_deliver_uapsd(struct sta_info *sta);
unsigned long ieee80211_sta_last_active(struct sta_info *sta);
+enum sta_stats_type {
+ STA_STATS_RATE_TYPE_INVALID = 0,
+ STA_STATS_RATE_TYPE_LEGACY,
+ STA_STATS_RATE_TYPE_HT,
+ STA_STATS_RATE_TYPE_VHT,
+};
+
+#define STA_STATS_FIELD_HT_MCS GENMASK( 7, 0)
+#define STA_STATS_FIELD_LEGACY_IDX GENMASK( 3, 0)
+#define STA_STATS_FIELD_LEGACY_BAND GENMASK( 7, 4)
+#define STA_STATS_FIELD_VHT_MCS GENMASK( 3, 0)
+#define STA_STATS_FIELD_VHT_NSS GENMASK( 7, 4)
+#define STA_STATS_FIELD_BW GENMASK(11, 8)
+#define STA_STATS_FIELD_SGI GENMASK(12, 12)
+#define STA_STATS_FIELD_TYPE GENMASK(15, 13)
+
+#define STA_STATS_FIELD(_n, _v) FIELD_PREP(STA_STATS_FIELD_ ## _n, _v)
+#define STA_STATS_GET(_n, _v) FIELD_GET(STA_STATS_FIELD_ ## _n, _v)
+
#define STA_STATS_RATE_INVALID 0
-#define STA_STATS_RATE_VHT 0x8000
-#define STA_STATS_RATE_HT 0x4000
-#define STA_STATS_RATE_LEGACY 0x2000
-#define STA_STATS_RATE_SGI 0x1000
-#define STA_STATS_RATE_BW_SHIFT 9
-#define STA_STATS_RATE_BW_MASK (0x7 << STA_STATS_RATE_BW_SHIFT)
-
-static inline u16 sta_stats_encode_rate(struct ieee80211_rx_status *s)
+
+static inline u32 sta_stats_encode_rate(struct ieee80211_rx_status *s)
{
- u16 r = s->rate_idx;
-
- if (s->vht_flag & RX_VHT_FLAG_80MHZ)
- r |= RATE_INFO_BW_80 << STA_STATS_RATE_BW_SHIFT;
- else if (s->vht_flag & RX_VHT_FLAG_160MHZ)
- r |= RATE_INFO_BW_160 << STA_STATS_RATE_BW_SHIFT;
- else if (s->flag & RX_FLAG_40MHZ)
- r |= RATE_INFO_BW_40 << STA_STATS_RATE_BW_SHIFT;
- else if (s->flag & RX_FLAG_10MHZ)
- r |= RATE_INFO_BW_10 << STA_STATS_RATE_BW_SHIFT;
- else if (s->flag & RX_FLAG_5MHZ)
- r |= RATE_INFO_BW_5 << STA_STATS_RATE_BW_SHIFT;
- else
- r |= RATE_INFO_BW_20 << STA_STATS_RATE_BW_SHIFT;
-
- if (s->flag & RX_FLAG_SHORT_GI)
- r |= STA_STATS_RATE_SGI;
-
- if (s->flag & RX_FLAG_VHT)
- r |= STA_STATS_RATE_VHT | (s->vht_nss << 4);
- else if (s->flag & RX_FLAG_HT)
- r |= STA_STATS_RATE_HT;
- else
- r |= STA_STATS_RATE_LEGACY | (s->band << 4);
+ u16 r;
+
+ r = STA_STATS_FIELD(BW, s->bw);
+
+ if (s->enc_flags & RX_ENC_FLAG_SHORT_GI)
+ r |= STA_STATS_FIELD(SGI, 1);
+
+ switch (s->encoding) {
+ case RX_ENC_VHT:
+ r |= STA_STATS_FIELD(TYPE, STA_STATS_RATE_TYPE_VHT);
+ r |= STA_STATS_FIELD(VHT_NSS, s->nss);
+ r |= STA_STATS_FIELD(VHT_MCS, s->rate_idx);
+ break;
+ case RX_ENC_HT:
+ r |= STA_STATS_FIELD(TYPE, STA_STATS_RATE_TYPE_HT);
+ r |= STA_STATS_FIELD(HT_MCS, s->rate_idx);
+ break;
+ case RX_ENC_LEGACY:
+ r |= STA_STATS_FIELD(TYPE, STA_STATS_RATE_TYPE_LEGACY);
+ r |= STA_STATS_FIELD(LEGACY_BAND, s->band);
+ r |= STA_STATS_FIELD(LEGACY_IDX, s->rate_idx);
+ break;
+ default:
+ WARN_ON(1);
+ return STA_STATS_RATE_INVALID;
+ }
return r;
}
diff --git a/net/mac80211/status.c b/net/mac80211/status.c
index 83b8b11f24ea..be47ac5cd8c8 100644
--- a/net/mac80211/status.c
+++ b/net/mac80211/status.c
@@ -200,6 +200,7 @@ static void ieee80211_frame_acked(struct sta_info *sta, struct sk_buff *skb)
}
if (ieee80211_is_action(mgmt->frame_control) &&
+ !ieee80211_has_protected(mgmt->frame_control) &&
mgmt->u.action.category == WLAN_CATEGORY_HT &&
mgmt->u.action.u.ht_smps.action == WLAN_HT_ACTION_SMPS &&
ieee80211_sdata_running(sdata)) {
@@ -630,61 +631,6 @@ static int ieee80211_tx_get_rates(struct ieee80211_hw *hw,
return rates_idx;
}
-void ieee80211_tx_status_noskb(struct ieee80211_hw *hw,
- struct ieee80211_sta *pubsta,
- struct ieee80211_tx_info *info)
-{
- struct ieee80211_local *local = hw_to_local(hw);
- struct ieee80211_supported_band *sband;
- int retry_count;
- bool acked, noack_success;
-
- ieee80211_tx_get_rates(hw, info, &retry_count);
-
- sband = hw->wiphy->bands[info->band];
-
- acked = !!(info->flags & IEEE80211_TX_STAT_ACK);
- noack_success = !!(info->flags & IEEE80211_TX_STAT_NOACK_TRANSMITTED);
-
- if (pubsta) {
- struct sta_info *sta;
-
- sta = container_of(pubsta, struct sta_info, sta);
-
- if (!acked)
- sta->status_stats.retry_failed++;
- sta->status_stats.retry_count += retry_count;
-
- if (acked) {
- sta->status_stats.last_ack = jiffies;
-
- if (sta->status_stats.lost_packets)
- sta->status_stats.lost_packets = 0;
-
- /* Track when last TDLS packet was ACKed */
- if (test_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH))
- sta->status_stats.last_tdls_pkt_time = jiffies;
- } else {
- ieee80211_lost_packet(sta, info);
- }
-
- rate_control_tx_status_noskb(local, sband, sta, info);
- }
-
- if (acked || noack_success) {
- I802_DEBUG_INC(local->dot11TransmittedFrameCount);
- if (!pubsta)
- I802_DEBUG_INC(local->dot11MulticastTransmittedFrameCount);
- if (retry_count > 0)
- I802_DEBUG_INC(local->dot11RetryCount);
- if (retry_count > 1)
- I802_DEBUG_INC(local->dot11MultipleRetryCount);
- } else {
- I802_DEBUG_INC(local->dot11FailedCount);
- }
-}
-EXPORT_SYMBOL(ieee80211_tx_status_noskb);
-
void ieee80211_tx_monitor(struct ieee80211_local *local, struct sk_buff *skb,
struct ieee80211_supported_band *sband,
int retry_count, int shift, bool send_to_cooked)
@@ -742,15 +688,16 @@ void ieee80211_tx_monitor(struct ieee80211_local *local, struct sk_buff *skb,
dev_kfree_skb(skb);
}
-void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
+static void __ieee80211_tx_status(struct ieee80211_hw *hw,
+ struct ieee80211_tx_status *status)
{
+ struct sk_buff *skb = status->skb;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
struct ieee80211_local *local = hw_to_local(hw);
- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ struct ieee80211_tx_info *info = status->info;
+ struct sta_info *sta;
__le16 fc;
struct ieee80211_supported_band *sband;
- struct rhlist_head *tmp;
- struct sta_info *sta;
int retry_count;
int rates_idx;
bool send_to_cooked;
@@ -761,16 +708,11 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
rates_idx = ieee80211_tx_get_rates(hw, info, &retry_count);
- rcu_read_lock();
-
sband = local->hw.wiphy->bands[info->band];
fc = hdr->frame_control;
- for_each_sta_info(local, hdr->addr1, sta, tmp) {
- /* skip wrong virtual interface */
- if (!ether_addr_equal(hdr->addr2, sta->sdata->vif.addr))
- continue;
-
+ if (status->sta) {
+ sta = container_of(status->sta, struct sta_info, sta);
shift = ieee80211_vif_get_shift(&sta->sdata->vif);
if (info->flags & IEEE80211_TX_STATUS_EOSP)
@@ -790,7 +732,6 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
* that this TX packet failed because of that.
*/
ieee80211_handle_filtered_frame(local, sta, skb);
- rcu_read_unlock();
return;
}
@@ -840,7 +781,6 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
if (info->flags & IEEE80211_TX_STAT_TX_FILTERED) {
ieee80211_handle_filtered_frame(local, sta, skb);
- rcu_read_unlock();
return;
} else {
if (!acked)
@@ -856,7 +796,7 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
}
}
- rate_control_tx_status(local, sband, sta, skb);
+ rate_control_tx_status(local, sband, status);
if (ieee80211_vif_is_mesh(&sta->sdata->vif))
ieee80211s_update_metric(local, sta, skb);
@@ -883,8 +823,6 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
}
}
- rcu_read_unlock();
-
ieee80211_led_tx(local);
/* SNMP counters
@@ -949,8 +887,96 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
/* send to monitor interfaces */
ieee80211_tx_monitor(local, skb, sband, retry_count, shift, send_to_cooked);
}
+
+void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
+{
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
+ struct ieee80211_local *local = hw_to_local(hw);
+ struct ieee80211_tx_status status = {
+ .skb = skb,
+ .info = IEEE80211_SKB_CB(skb),
+ };
+ struct rhlist_head *tmp;
+ struct sta_info *sta;
+
+ rcu_read_lock();
+
+ for_each_sta_info(local, hdr->addr1, sta, tmp) {
+ /* skip wrong virtual interface */
+ if (!ether_addr_equal(hdr->addr2, sta->sdata->vif.addr))
+ continue;
+
+ status.sta = &sta->sta;
+ break;
+ }
+
+ __ieee80211_tx_status(hw, &status);
+ rcu_read_unlock();
+}
EXPORT_SYMBOL(ieee80211_tx_status);
+void ieee80211_tx_status_ext(struct ieee80211_hw *hw,
+ struct ieee80211_tx_status *status)
+{
+ struct ieee80211_local *local = hw_to_local(hw);
+ struct ieee80211_tx_info *info = status->info;
+ struct ieee80211_sta *pubsta = status->sta;
+ struct ieee80211_supported_band *sband;
+ int retry_count;
+ bool acked, noack_success;
+
+ if (status->skb)
+ return __ieee80211_tx_status(hw, status);
+
+ if (!status->sta)
+ return;
+
+ ieee80211_tx_get_rates(hw, info, &retry_count);
+
+ sband = hw->wiphy->bands[info->band];
+
+ acked = !!(info->flags & IEEE80211_TX_STAT_ACK);
+ noack_success = !!(info->flags & IEEE80211_TX_STAT_NOACK_TRANSMITTED);
+
+ if (pubsta) {
+ struct sta_info *sta;
+
+ sta = container_of(pubsta, struct sta_info, sta);
+
+ if (!acked)
+ sta->status_stats.retry_failed++;
+ sta->status_stats.retry_count += retry_count;
+
+ if (acked) {
+ sta->status_stats.last_ack = jiffies;
+
+ if (sta->status_stats.lost_packets)
+ sta->status_stats.lost_packets = 0;
+
+ /* Track when last TDLS packet was ACKed */
+ if (test_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH))
+ sta->status_stats.last_tdls_pkt_time = jiffies;
+ } else {
+ ieee80211_lost_packet(sta, info);
+ }
+
+ rate_control_tx_status(local, sband, status);
+ }
+
+ if (acked || noack_success) {
+ I802_DEBUG_INC(local->dot11TransmittedFrameCount);
+ if (!pubsta)
+ I802_DEBUG_INC(local->dot11MulticastTransmittedFrameCount);
+ if (retry_count > 0)
+ I802_DEBUG_INC(local->dot11RetryCount);
+ if (retry_count > 1)
+ I802_DEBUG_INC(local->dot11MultipleRetryCount);
+ } else {
+ I802_DEBUG_INC(local->dot11FailedCount);
+ }
+}
+EXPORT_SYMBOL(ieee80211_tx_status_ext);
+
void ieee80211_report_low_ack(struct ieee80211_sta *pubsta, u32 num_packets)
{
struct sta_info *sta = container_of(pubsta, struct sta_info, sta);
diff --git a/net/mac80211/tdls.c b/net/mac80211/tdls.c
index afca7d103684..f20dcf1b1830 100644
--- a/net/mac80211/tdls.c
+++ b/net/mac80211/tdls.c
@@ -47,8 +47,7 @@ static void ieee80211_tdls_add_ext_capab(struct ieee80211_sub_if_data *sdata,
NL80211_FEATURE_TDLS_CHANNEL_SWITCH;
bool wider_band = ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
!ifmgd->tdls_wider_bw_prohibited;
- enum nl80211_band band = ieee80211_get_sdata_band(sdata);
- struct ieee80211_supported_band *sband = local->hw.wiphy->bands[band];
+ struct ieee80211_supported_band *sband = ieee80211_get_sband(sdata);
bool vht = sband && sband->vht_cap.vht_supported;
u8 *pos = (void *)skb_put(skb, 10);
@@ -180,11 +179,14 @@ static void ieee80211_tdls_add_bss_coex_ie(struct sk_buff *skb)
static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata,
u16 status_code)
{
+ struct ieee80211_supported_band *sband;
+
/* The capability will be 0 when sending a failure code */
if (status_code != 0)
return 0;
- if (ieee80211_get_sdata_band(sdata) == NL80211_BAND_2GHZ) {
+ sband = ieee80211_get_sband(sdata);
+ if (sband && sband->band == NL80211_BAND_2GHZ) {
return WLAN_CAPABILITY_SHORT_SLOT_TIME |
WLAN_CAPABILITY_SHORT_PREAMBLE;
}
@@ -358,17 +360,20 @@ ieee80211_tdls_add_setup_start_ies(struct ieee80211_sub_if_data *sdata,
u8 action_code, bool initiator,
const u8 *extra_ies, size_t extra_ies_len)
{
- enum nl80211_band band = ieee80211_get_sdata_band(sdata);
- struct ieee80211_local *local = sdata->local;
struct ieee80211_supported_band *sband;
+ struct ieee80211_local *local = sdata->local;
struct ieee80211_sta_ht_cap ht_cap;
struct ieee80211_sta_vht_cap vht_cap;
struct sta_info *sta = NULL;
size_t offset = 0, noffset;
u8 *pos;
- ieee80211_add_srates_ie(sdata, skb, false, band);
- ieee80211_add_ext_srates_ie(sdata, skb, false, band);
+ sband = ieee80211_get_sband(sdata);
+ if (!sband)
+ return;
+
+ ieee80211_add_srates_ie(sdata, skb, false, sband->band);
+ ieee80211_add_ext_srates_ie(sdata, skb, false, sband->band);
ieee80211_tdls_add_supp_channels(sdata, skb);
/* add any custom IEs that go before Extended Capabilities */
@@ -439,7 +444,6 @@ ieee80211_tdls_add_setup_start_ies(struct ieee80211_sub_if_data *sdata,
* the same on all bands. The specification limits the setup to a
* single HT-cap, so use the current band for now.
*/
- sband = local->hw.wiphy->bands[band];
memcpy(&ht_cap, &sband->ht_cap, sizeof(ht_cap));
if ((action_code == WLAN_TDLS_SETUP_REQUEST ||
@@ -545,9 +549,13 @@ ieee80211_tdls_add_setup_cfm_ies(struct ieee80211_sub_if_data *sdata,
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
size_t offset = 0, noffset;
struct sta_info *sta, *ap_sta;
- enum nl80211_band band = ieee80211_get_sdata_band(sdata);
+ struct ieee80211_supported_band *sband;
u8 *pos;
+ sband = ieee80211_get_sband(sdata);
+ if (!sband)
+ return;
+
mutex_lock(&local->sta_mtx);
sta = sta_info_get(sdata, peer);
@@ -612,7 +620,8 @@ ieee80211_tdls_add_setup_cfm_ies(struct ieee80211_sub_if_data *sdata,
ieee80211_tdls_add_link_ie(sdata, skb, peer, initiator);
/* only include VHT-operation if not on the 2.4GHz band */
- if (band != NL80211_BAND_2GHZ && sta->sta.vht_cap.vht_supported) {
+ if (sband->band != NL80211_BAND_2GHZ &&
+ sta->sta.vht_cap.vht_supported) {
/*
* if both peers support WIDER_BW, we can expand the chandef to
* a wider compatible one, up to 80MHz
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index ba8d7db0a071..04b22f8982fe 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -682,10 +682,6 @@ ieee80211_tx_h_rate_ctrl(struct ieee80211_tx_data *tx)
txrc.skb = tx->skb;
txrc.reported_rate.idx = -1;
txrc.rate_idx_mask = tx->sdata->rc_rateidx_mask[info->band];
- if (txrc.rate_idx_mask == (1 << sband->n_bitrates) - 1)
- txrc.max_rate_idx = -1;
- else
- txrc.max_rate_idx = fls(txrc.rate_idx_mask) - 1;
if (tx->sdata->rc_has_mcs_mask[info->band])
txrc.rate_idx_mcs_mask =
@@ -4249,10 +4245,6 @@ __ieee80211_beacon_get(struct ieee80211_hw *hw,
txrc.skb = skb;
txrc.reported_rate.idx = -1;
txrc.rate_idx_mask = sdata->rc_rateidx_mask[band];
- if (txrc.rate_idx_mask == (1 << txrc.sband->n_bitrates) - 1)
- txrc.max_rate_idx = -1;
- else
- txrc.max_rate_idx = fls(txrc.rate_idx_mask) - 1;
txrc.bss = true;
rate_control_get_rate(sdata, NULL, &txrc);
@@ -4305,7 +4297,10 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw,
return bcn;
shift = ieee80211_vif_get_shift(vif);
- sband = hw->wiphy->bands[ieee80211_get_sdata_band(vif_to_sdata(vif))];
+ sband = ieee80211_get_sband(vif_to_sdata(vif));
+ if (!sband)
+ return bcn;
+
ieee80211_tx_monitor(hw_to_local(hw), copy, sband, 1, shift, false);
return bcn;
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index ac59fbd280df..ac9ac6c35594 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -4,7 +4,7 @@
* Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
* Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
- * Copyright (C) 2015-2016 Intel Deutschland GmbH
+ * Copyright (C) 2015-2017 Intel Deutschland 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
@@ -828,6 +828,7 @@ u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
case WLAN_EID_EXT_CAPABILITY:
case WLAN_EID_CHAN_SWITCH_TIMING:
case WLAN_EID_LINK_ID:
+ case WLAN_EID_BSS_MAX_IDLE_PERIOD:
/*
* not listing WLAN_EID_CHANNEL_SWITCH_WRAPPER -- it seems possible
* that if the content gets bigger it might be needed more than once
@@ -1089,6 +1090,10 @@ u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
else
elem_parse_failed = true;
break;
+ case WLAN_EID_BSS_MAX_IDLE_PERIOD:
+ if (elen >= sizeof(*elems->max_idle_period_ie))
+ elems->max_idle_period_ie = (void *)pos;
+ break;
default:
break;
}
@@ -1590,14 +1595,14 @@ u32 ieee80211_sta_get_rates(struct ieee80211_sub_if_data *sdata,
size_t num_rates;
u32 supp_rates, rate_flags;
int i, j, shift;
+
sband = sdata->local->hw.wiphy->bands[band];
+ if (WARN_ON(!sband))
+ return 1;
rate_flags = ieee80211_chandef_rate_flags(&sdata->vif.bss_conf.chandef);
shift = ieee80211_vif_get_shift(&sdata->vif);
- if (WARN_ON(!sband))
- return 1;
-
num_rates = sband->n_bitrates;
supp_rates = 0;
for (i = 0; i < elems->supp_rates_len +
@@ -1983,6 +1988,10 @@ int ieee80211_reconfig(struct ieee80211_local *local)
if (sdata->u.mgd.have_beacon)
changed |= BSS_CHANGED_BEACON_INFO;
+ if (sdata->vif.bss_conf.max_idle_period ||
+ sdata->vif.bss_conf.protected_keep_alive)
+ changed |= BSS_CHANGED_KEEP_ALIVE;
+
sdata_lock(sdata);
ieee80211_bss_info_change_notify(sdata, changed);
sdata_unlock(sdata);
@@ -2103,7 +2112,7 @@ int ieee80211_reconfig(struct ieee80211_local *local)
mutex_unlock(&local->mtx);
if (sched_scan_stopped)
- cfg80211_sched_scan_stopped_rtnl(local->hw.wiphy);
+ cfg80211_sched_scan_stopped_rtnl(local->hw.wiphy, 0);
wake_up:
if (local->in_reconfig) {
@@ -2413,13 +2422,13 @@ u8 *ieee80211_ie_build_vht_oper(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap,
*pos++ = WLAN_EID_VHT_OPERATION;
*pos++ = sizeof(struct ieee80211_vht_operation);
vht_oper = (struct ieee80211_vht_operation *)pos;
- vht_oper->center_freq_seg1_idx = ieee80211_frequency_to_channel(
+ vht_oper->center_freq_seg0_idx = ieee80211_frequency_to_channel(
chandef->center_freq1);
if (chandef->center_freq2)
- vht_oper->center_freq_seg2_idx =
+ vht_oper->center_freq_seg1_idx =
ieee80211_frequency_to_channel(chandef->center_freq2);
else
- vht_oper->center_freq_seg2_idx = 0x00;
+ vht_oper->center_freq_seg1_idx = 0x00;
switch (chandef->width) {
case NL80211_CHAN_WIDTH_160:
@@ -2428,11 +2437,11 @@ u8 *ieee80211_ie_build_vht_oper(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap,
* workaround.
*/
vht_oper->chan_width = IEEE80211_VHT_CHANWIDTH_80MHZ;
- vht_oper->center_freq_seg2_idx = vht_oper->center_freq_seg1_idx;
+ vht_oper->center_freq_seg1_idx = vht_oper->center_freq_seg0_idx;
if (chandef->chan->center_freq < chandef->center_freq1)
- vht_oper->center_freq_seg1_idx -= 8;
+ vht_oper->center_freq_seg0_idx -= 8;
else
- vht_oper->center_freq_seg1_idx += 8;
+ vht_oper->center_freq_seg0_idx += 8;
break;
case NL80211_CHAN_WIDTH_80P80:
/*
@@ -2491,9 +2500,9 @@ bool ieee80211_chandef_vht_oper(const struct ieee80211_vht_operation *oper,
if (!oper)
return false;
- cf1 = ieee80211_channel_to_frequency(oper->center_freq_seg1_idx,
+ cf1 = ieee80211_channel_to_frequency(oper->center_freq_seg0_idx,
chandef->chan->band);
- cf2 = ieee80211_channel_to_frequency(oper->center_freq_seg2_idx,
+ cf2 = ieee80211_channel_to_frequency(oper->center_freq_seg1_idx,
chandef->chan->band);
switch (oper->chan_width) {
@@ -2503,11 +2512,11 @@ bool ieee80211_chandef_vht_oper(const struct ieee80211_vht_operation *oper,
new.width = NL80211_CHAN_WIDTH_80;
new.center_freq1 = cf1;
/* If needed, adjust based on the newer interop workaround. */
- if (oper->center_freq_seg2_idx) {
+ if (oper->center_freq_seg1_idx) {
unsigned int diff;
- diff = abs(oper->center_freq_seg2_idx -
- oper->center_freq_seg1_idx);
+ diff = abs(oper->center_freq_seg1_idx -
+ oper->center_freq_seg0_idx);
if (diff == 8) {
new.width = NL80211_CHAN_WIDTH_160;
new.center_freq1 = cf2;
@@ -2715,42 +2724,39 @@ u64 ieee80211_calculate_rx_timestamp(struct ieee80211_local *local,
memset(&ri, 0, sizeof(ri));
/* Fill cfg80211 rate info */
- if (status->flag & RX_FLAG_HT) {
+ switch (status->encoding) {
+ case RX_ENC_HT:
ri.mcs = status->rate_idx;
ri.flags |= RATE_INFO_FLAGS_MCS;
- if (status->flag & RX_FLAG_40MHZ)
- ri.bw = RATE_INFO_BW_40;
- else
- ri.bw = RATE_INFO_BW_20;
- if (status->flag & RX_FLAG_SHORT_GI)
+ ri.bw = status->bw;
+ if (status->enc_flags & RX_ENC_FLAG_SHORT_GI)
ri.flags |= RATE_INFO_FLAGS_SHORT_GI;
- } else if (status->flag & RX_FLAG_VHT) {
+ break;
+ case RX_ENC_VHT:
ri.flags |= RATE_INFO_FLAGS_VHT_MCS;
ri.mcs = status->rate_idx;
- ri.nss = status->vht_nss;
- if (status->flag & RX_FLAG_40MHZ)
- ri.bw = RATE_INFO_BW_40;
- else if (status->vht_flag & RX_VHT_FLAG_80MHZ)
- ri.bw = RATE_INFO_BW_80;
- else if (status->vht_flag & RX_VHT_FLAG_160MHZ)
- ri.bw = RATE_INFO_BW_160;
- else
- ri.bw = RATE_INFO_BW_20;
- if (status->flag & RX_FLAG_SHORT_GI)
+ ri.nss = status->nss;
+ ri.bw = status->bw;
+ if (status->enc_flags & RX_ENC_FLAG_SHORT_GI)
ri.flags |= RATE_INFO_FLAGS_SHORT_GI;
- } else {
+ break;
+ default:
+ WARN_ON(1);
+ /* fall through */
+ case RX_ENC_LEGACY: {
struct ieee80211_supported_band *sband;
int shift = 0;
int bitrate;
- if (status->flag & RX_FLAG_10MHZ) {
+ ri.bw = status->bw;
+
+ switch (status->bw) {
+ case RATE_INFO_BW_10:
shift = 1;
- ri.bw = RATE_INFO_BW_10;
- } else if (status->flag & RX_FLAG_5MHZ) {
+ break;
+ case RATE_INFO_BW_5:
shift = 2;
- ri.bw = RATE_INFO_BW_5;
- } else {
- ri.bw = RATE_INFO_BW_20;
+ break;
}
sband = local->hw.wiphy->bands[status->band];
@@ -2762,19 +2768,21 @@ u64 ieee80211_calculate_rx_timestamp(struct ieee80211_local *local,
if (status->band == NL80211_BAND_5GHZ) {
ts += 20 << shift;
mpdu_offset += 2;
- } else if (status->flag & RX_FLAG_SHORTPRE) {
+ } else if (status->enc_flags & RX_ENC_FLAG_SHORTPRE) {
ts += 96;
} else {
ts += 192;
}
}
+ break;
+ }
}
rate = cfg80211_calculate_bitrate(&ri);
if (WARN_ONCE(!rate,
"Invalid bitrate: flags=0x%llx, idx=%d, vht_nss=%d\n",
(unsigned long long)status->flag, status->rate_idx,
- status->vht_nss))
+ status->nss))
return 0;
/* rewind from end of MPDU */
@@ -2791,8 +2799,10 @@ void ieee80211_dfs_cac_cancel(struct ieee80211_local *local)
struct ieee80211_sub_if_data *sdata;
struct cfg80211_chan_def chandef;
+ /* for interface list, to avoid linking iflist_mtx and chanctx_mtx */
+ ASSERT_RTNL();
+
mutex_lock(&local->mtx);
- mutex_lock(&local->iflist_mtx);
list_for_each_entry(sdata, &local->interfaces, list) {
/* it might be waiting for the local->mtx, but then
* by the time it gets it, sdata->wdev.cac_started
@@ -2809,7 +2819,6 @@ void ieee80211_dfs_cac_cancel(struct ieee80211_local *local)
GFP_KERNEL);
}
}
- mutex_unlock(&local->iflist_mtx);
mutex_unlock(&local->mtx);
}
@@ -2831,7 +2840,9 @@ void ieee80211_dfs_radar_detected_work(struct work_struct *work)
}
mutex_unlock(&local->chanctx_mtx);
+ rtnl_lock();
ieee80211_dfs_cac_cancel(local);
+ rtnl_unlock();
if (num_chanctx > 1)
/* XXX: multi-channel is not supported yet */
@@ -2846,7 +2857,7 @@ void ieee80211_radar_detected(struct ieee80211_hw *hw)
trace_api_radar_detected(local);
- ieee80211_queue_work(hw, &local->radar_detected_work);
+ schedule_work(&local->radar_detected_work);
}
EXPORT_SYMBOL(ieee80211_radar_detected);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.