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-rw-r--r--net/mac80211/cfg.c4
-rw-r--r--net/mac80211/ieee80211_i.h6
-rw-r--r--net/mac80211/iface.c3
-rw-r--r--net/mac80211/mesh_hwmp.c5
-rw-r--r--net/mac80211/mesh_pathtbl.c2
-rw-r--r--net/mac80211/mesh_sync.c32
-rw-r--r--net/mac80211/mlme.c35
-rw-r--r--net/mac80211/rc80211_minstrel.c13
-rw-r--r--net/mac80211/rc80211_minstrel_ht.c5
-rw-r--r--net/mac80211/scan.c43
-rw-r--r--net/mac80211/status.c8
-rw-r--r--net/mac80211/tx.c4
-rw-r--r--net/mac80211/util.c42
-rw-r--r--net/mac80211/work.c15
14 files changed, 136 insertions, 81 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 355735491252..510a745c3108 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -2688,10 +2688,12 @@ static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
}
static struct ieee80211_channel *
-ieee80211_wiphy_get_channel(struct wiphy *wiphy)
+ieee80211_wiphy_get_channel(struct wiphy *wiphy,
+ enum nl80211_channel_type *type)
{
struct ieee80211_local *local = wiphy_priv(wiphy);
+ *type = local->_oper_channel_type;
return local->oper_channel;
}
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 4be11ea3dfc4..bd7a451b0849 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1260,6 +1260,7 @@ int ieee80211_request_internal_scan(struct ieee80211_sub_if_data *sdata,
int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata,
struct cfg80211_scan_request *req);
void ieee80211_scan_cancel(struct ieee80211_local *local);
+void ieee80211_run_deferred_scan(struct ieee80211_local *local);
ieee80211_rx_result
ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb);
@@ -1272,9 +1273,6 @@ ieee80211_bss_info_update(struct ieee80211_local *local,
struct ieee802_11_elems *elems,
struct ieee80211_channel *channel,
bool beacon);
-struct ieee80211_bss *
-ieee80211_rx_bss_get(struct ieee80211_local *local, u8 *bssid, int freq,
- u8 *ssid, u8 ssid_len);
void ieee80211_rx_bss_put(struct ieee80211_local *local,
struct ieee80211_bss *bss);
@@ -1403,7 +1401,7 @@ static inline int __ieee80211_resume(struct ieee80211_hw *hw)
extern void *mac80211_wiphy_privid; /* for wiphy privid */
u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len,
enum nl80211_iftype type);
-int ieee80211_frame_duration(struct ieee80211_local *local, size_t len,
+int ieee80211_frame_duration(enum ieee80211_band band, size_t len,
int rate, int erp, int short_preamble);
void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx,
struct ieee80211_hdr *hdr, const u8 *tsc,
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 6e85faed053d..23d1da376eb3 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -163,7 +163,8 @@ static int ieee80211_check_queues(struct ieee80211_sub_if_data *sdata)
return -EINVAL;
}
- if (sdata->vif.type != NL80211_IFTYPE_AP) {
+ if ((sdata->vif.type != NL80211_IFTYPE_AP) ||
+ !(sdata->local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)) {
sdata->vif.cab_queue = IEEE80211_INVAL_HW_QUEUE;
return 0;
}
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index a80da3784a25..503016f58631 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -800,10 +800,11 @@ static void hwmp_rann_frame_process(struct ieee80211_sub_if_data *sdata,
0, sdata);
mpath->sn = orig_sn;
mpath->rann_metric = metric + metric_txsta;
+ /* Recording RANNs sender address to send individually
+ * addressed PREQs destined for root mesh STA */
+ memcpy(mpath->rann_snd_addr, mgmt->sa, ETH_ALEN);
}
- /* Using individually addressed PREQ for root node */
- memcpy(mpath->rann_snd_addr, mgmt->sa, ETH_ALEN);
mpath->is_root = true;
if (root_is_gate)
diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c
index 49aaefd99635..baa6096c66b4 100644
--- a/net/mac80211/mesh_pathtbl.c
+++ b/net/mac80211/mesh_pathtbl.c
@@ -538,6 +538,8 @@ int mesh_path_add(u8 *dst, struct ieee80211_sub_if_data *sdata)
read_lock_bh(&pathtbl_resize_lock);
memcpy(new_mpath->dst, dst, ETH_ALEN);
+ memset(new_mpath->rann_snd_addr, 0xff, ETH_ALEN);
+ new_mpath->is_root = false;
new_mpath->sdata = sdata;
new_mpath->flags = 0;
skb_queue_head_init(&new_mpath->frame_queue);
diff --git a/net/mac80211/mesh_sync.c b/net/mac80211/mesh_sync.c
index f78b0139856f..ff60d6bcc631 100644
--- a/net/mac80211/mesh_sync.c
+++ b/net/mac80211/mesh_sync.c
@@ -22,7 +22,20 @@
/* This is not in the standard. It represents a tolerable tbtt drift below
* which we do no TSF adjustment.
*/
-#define TBTT_MINIMUM_ADJUSTMENT 10
+#define TOFFSET_MINIMUM_ADJUSTMENT 10
+
+/* This is not in the standard. It is a margin added to the
+ * Toffset setpoint to mitigate TSF overcorrection
+ * introduced by TSF adjustment latency.
+ */
+#define TOFFSET_SET_MARGIN 20
+
+/* This is not in the standard. It represents the maximum Toffset jump above
+ * which we'll invalidate the Toffset setpoint and choose a new setpoint. This
+ * could be, for instance, in case a neighbor is restarted and its TSF counter
+ * reset.
+ */
+#define TOFFSET_MAXIMUM_ADJUSTMENT 30000 /* 30 ms */
struct sync_method {
u8 method;
@@ -156,15 +169,22 @@ static void mesh_sync_offset_rx_bcn_presp(struct ieee80211_sub_if_data *sdata,
if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) {
s64 t_clockdrift = sta->t_offset_setpoint
- sta->t_offset;
-
- msync_dbg("STA %pM : sta->t_offset=%lld,"
- " sta->t_offset_setpoint=%lld,"
- " t_clockdrift=%lld",
+ msync_dbg("STA %pM : sta->t_offset=%lld, sta->t_offset_setpoint=%lld, t_clockdrift=%lld",
sta->sta.addr,
(long long) sta->t_offset,
(long long)
sta->t_offset_setpoint,
(long long) t_clockdrift);
+
+ if (t_clockdrift > TOFFSET_MAXIMUM_ADJUSTMENT ||
+ t_clockdrift < -TOFFSET_MAXIMUM_ADJUSTMENT) {
+ msync_dbg("STA %pM : t_clockdrift=%lld too large, setpoint reset",
+ sta->sta.addr,
+ (long long) t_clockdrift);
+ clear_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN);
+ goto no_sync;
+ }
+
rcu_read_unlock();
spin_lock_bh(&ifmsh->sync_offset_lock);
@@ -200,7 +220,7 @@ static void mesh_sync_offset_adjust_tbtt(struct ieee80211_sub_if_data *sdata)
spin_lock_bh(&ifmsh->sync_offset_lock);
if (ifmsh->sync_offset_clockdrift_max >
- TBTT_MINIMUM_ADJUSTMENT) {
+ TOFFSET_MINIMUM_ADJUSTMENT) {
/* Since ajusting the tsf here would
* require a possibly blocking call
* to the driver tsf setter, we punt
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index bbf1100d90d6..c8836fa7d627 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1447,19 +1447,24 @@ void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata,
static void ieee80211_reset_ap_probe(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+ struct ieee80211_local *local = sdata->local;
+ mutex_lock(&local->mtx);
if (!(ifmgd->flags & (IEEE80211_STA_BEACON_POLL |
- IEEE80211_STA_CONNECTION_POLL)))
- return;
+ IEEE80211_STA_CONNECTION_POLL))) {
+ mutex_unlock(&local->mtx);
+ return;
+ }
ifmgd->flags &= ~(IEEE80211_STA_CONNECTION_POLL |
IEEE80211_STA_BEACON_POLL);
- mutex_lock(&sdata->local->iflist_mtx);
- ieee80211_recalc_ps(sdata->local, -1);
- mutex_unlock(&sdata->local->iflist_mtx);
+
+ mutex_lock(&local->iflist_mtx);
+ ieee80211_recalc_ps(local, -1);
+ mutex_unlock(&local->iflist_mtx);
if (sdata->local->hw.flags & IEEE80211_HW_CONNECTION_MONITOR)
- return;
+ goto out;
/*
* We've received a probe response, but are not sure whether
@@ -1471,6 +1476,9 @@ static void ieee80211_reset_ap_probe(struct ieee80211_sub_if_data *sdata)
mod_timer(&ifmgd->conn_mon_timer,
round_jiffies_up(jiffies +
IEEE80211_CONNECTION_IDLE_TIME));
+out:
+ ieee80211_run_deferred_scan(local);
+ mutex_unlock(&local->mtx);
}
void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata,
@@ -1546,17 +1554,18 @@ static void ieee80211_mgd_probe_ap(struct ieee80211_sub_if_data *sdata,
if (!ieee80211_sdata_running(sdata))
return;
- if (sdata->local->scanning)
- return;
-
- if (sdata->local->tmp_channel)
- return;
-
mutex_lock(&ifmgd->mtx);
if (!ifmgd->associated)
goto out;
+ mutex_lock(&sdata->local->mtx);
+
+ if (sdata->local->tmp_channel || sdata->local->scanning) {
+ mutex_unlock(&sdata->local->mtx);
+ goto out;
+ }
+
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
if (beacon && net_ratelimit())
printk(KERN_DEBUG "%s: detected beacon loss from AP "
@@ -1583,6 +1592,8 @@ static void ieee80211_mgd_probe_ap(struct ieee80211_sub_if_data *sdata,
else
ifmgd->flags |= IEEE80211_STA_CONNECTION_POLL;
+ mutex_unlock(&sdata->local->mtx);
+
if (already)
goto out;
diff --git a/net/mac80211/rc80211_minstrel.c b/net/mac80211/rc80211_minstrel.c
index b39dda523f39..79633ae06fd6 100644
--- a/net/mac80211/rc80211_minstrel.c
+++ b/net/mac80211/rc80211_minstrel.c
@@ -334,14 +334,15 @@ minstrel_get_rate(void *priv, struct ieee80211_sta *sta,
static void
-calc_rate_durations(struct ieee80211_local *local, struct minstrel_rate *d,
+calc_rate_durations(enum ieee80211_band band,
+ struct minstrel_rate *d,
struct ieee80211_rate *rate)
{
int erp = !!(rate->flags & IEEE80211_RATE_ERP_G);
- d->perfect_tx_time = ieee80211_frame_duration(local, 1200,
+ d->perfect_tx_time = ieee80211_frame_duration(band, 1200,
rate->bitrate, erp, 1);
- d->ack_time = ieee80211_frame_duration(local, 10,
+ d->ack_time = ieee80211_frame_duration(band, 10,
rate->bitrate, erp, 1);
}
@@ -379,14 +380,14 @@ minstrel_rate_init(void *priv, struct ieee80211_supported_band *sband,
{
struct minstrel_sta_info *mi = priv_sta;
struct minstrel_priv *mp = priv;
- struct ieee80211_local *local = hw_to_local(mp->hw);
struct ieee80211_rate *ctl_rate;
unsigned int i, n = 0;
unsigned int t_slot = 9; /* FIXME: get real slot time */
mi->lowest_rix = rate_lowest_index(sband, sta);
ctl_rate = &sband->bitrates[mi->lowest_rix];
- mi->sp_ack_dur = ieee80211_frame_duration(local, 10, ctl_rate->bitrate,
+ mi->sp_ack_dur = ieee80211_frame_duration(sband->band, 10,
+ ctl_rate->bitrate,
!!(ctl_rate->flags & IEEE80211_RATE_ERP_G), 1);
for (i = 0; i < sband->n_bitrates; i++) {
@@ -402,7 +403,7 @@ minstrel_rate_init(void *priv, struct ieee80211_supported_band *sband,
mr->rix = i;
mr->bitrate = sband->bitrates[i].bitrate / 5;
- calc_rate_durations(local, mr, &sband->bitrates[i]);
+ calc_rate_durations(sband->band, mr, &sband->bitrates[i]);
/* calculate maximum number of retransmissions before
* fallback (based on maximum segment size) */
diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c
index 3b3dcae13bbc..2d1acc6c5445 100644
--- a/net/mac80211/rc80211_minstrel_ht.c
+++ b/net/mac80211/rc80211_minstrel_ht.c
@@ -692,7 +692,6 @@ minstrel_ht_update_caps(void *priv, struct ieee80211_supported_band *sband,
struct minstrel_ht_sta_priv *msp = priv_sta;
struct minstrel_ht_sta *mi = &msp->ht;
struct ieee80211_mcs_info *mcs = &sta->ht_cap.mcs;
- struct ieee80211_local *local = hw_to_local(mp->hw);
u16 sta_cap = sta->ht_cap.cap;
int n_supported = 0;
int ack_dur;
@@ -711,8 +710,8 @@ minstrel_ht_update_caps(void *priv, struct ieee80211_supported_band *sband,
memset(mi, 0, sizeof(*mi));
mi->stats_update = jiffies;
- ack_dur = ieee80211_frame_duration(local, 10, 60, 1, 1);
- mi->overhead = ieee80211_frame_duration(local, 0, 60, 1, 1) + ack_dur;
+ ack_dur = ieee80211_frame_duration(sband->band, 10, 60, 1, 1);
+ mi->overhead = ieee80211_frame_duration(sband->band, 0, 60, 1, 1) + ack_dur;
mi->overhead_rtscts = mi->overhead + 2 * ack_dur;
mi->avg_ampdu_len = MINSTREL_FRAC(1, 1);
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index c70e17677135..45f5aa229efd 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -29,20 +29,6 @@
#define IEEE80211_CHANNEL_TIME (HZ / 33)
#define IEEE80211_PASSIVE_CHANNEL_TIME (HZ / 8)
-struct ieee80211_bss *
-ieee80211_rx_bss_get(struct ieee80211_local *local, u8 *bssid, int freq,
- u8 *ssid, u8 ssid_len)
-{
- struct cfg80211_bss *cbss;
-
- cbss = cfg80211_get_bss(local->hw.wiphy,
- ieee80211_get_channel(local->hw.wiphy, freq),
- bssid, ssid, ssid_len, 0, 0);
- if (!cbss)
- return NULL;
- return (void *)cbss->priv;
-}
-
static void ieee80211_rx_bss_free(struct cfg80211_bss *cbss)
{
struct ieee80211_bss *bss = (void *)cbss->priv;
@@ -387,6 +373,33 @@ static int ieee80211_start_sw_scan(struct ieee80211_local *local)
return 0;
}
+static bool ieee80211_can_scan(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata)
+{
+ if (!list_empty(&local->work_list))
+ return false;
+
+ if (sdata->vif.type == NL80211_IFTYPE_STATION &&
+ sdata->u.mgd.flags & (IEEE80211_STA_BEACON_POLL |
+ IEEE80211_STA_CONNECTION_POLL))
+ return false;
+
+ return true;
+}
+
+void ieee80211_run_deferred_scan(struct ieee80211_local *local)
+{
+ lockdep_assert_held(&local->mtx);
+
+ if (!local->scan_req || local->scanning)
+ return;
+
+ if (!ieee80211_can_scan(local, local->scan_sdata))
+ return;
+
+ ieee80211_queue_delayed_work(&local->hw, &local->scan_work,
+ round_jiffies_relative(0));
+}
static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
struct cfg80211_scan_request *req)
@@ -399,7 +412,7 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
if (local->scan_req)
return -EBUSY;
- if (!list_empty(&local->work_list)) {
+ if (!ieee80211_can_scan(local, sdata)) {
/* wait for the work to finish/time out */
local->scan_req = req;
local->scan_sdata = sdata;
diff --git a/net/mac80211/status.c b/net/mac80211/status.c
index 5f8f89e89d6b..05f257aa2e08 100644
--- a/net/mac80211/status.c
+++ b/net/mac80211/status.c
@@ -355,7 +355,13 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
int rtap_len;
for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
- if (info->status.rates[i].idx < 0) {
+ if ((info->flags & IEEE80211_TX_CTL_AMPDU) &&
+ !(info->flags & IEEE80211_TX_STAT_AMPDU)) {
+ /* just the first aggr frame carry status info */
+ info->status.rates[i].idx = -1;
+ info->status.rates[i].count = 0;
+ break;
+ } else if (info->status.rates[i].idx < 0) {
break;
} else if (i >= hw->max_report_rates) {
/* the HW cannot have attempted that rate */
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 4f6aac16ac3a..0abbef952c14 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -159,7 +159,7 @@ static __le16 ieee80211_duration(struct ieee80211_tx_data *tx,
/* Time needed to transmit ACK
* (10 bytes + 4-byte FCS = 112 bits) plus SIFS; rounded up
* to closest integer */
- dur = ieee80211_frame_duration(local, 10, rate, erp,
+ dur = ieee80211_frame_duration(sband->band, 10, rate, erp,
tx->sdata->vif.bss_conf.use_short_preamble);
if (next_frag_len) {
@@ -167,7 +167,7 @@ static __le16 ieee80211_duration(struct ieee80211_tx_data *tx,
* transmit next fragment plus ACK and 2 x SIFS. */
dur *= 2; /* ACK + SIFS */
/* next fragment */
- dur += ieee80211_frame_duration(local, next_frag_len,
+ dur += ieee80211_frame_duration(sband->band, next_frag_len,
txrate->bitrate, erp,
tx->sdata->vif.bss_conf.use_short_preamble);
}
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index e67fe5c1def9..89c1e5b9ba94 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -106,7 +106,7 @@ void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx)
}
}
-int ieee80211_frame_duration(struct ieee80211_local *local, size_t len,
+int ieee80211_frame_duration(enum ieee80211_band band, size_t len,
int rate, int erp, int short_preamble)
{
int dur;
@@ -120,7 +120,7 @@ int ieee80211_frame_duration(struct ieee80211_local *local, size_t len,
* DIV_ROUND_UP() operations.
*/
- if (local->hw.conf.channel->band == IEEE80211_BAND_5GHZ || erp) {
+ if (band == IEEE80211_BAND_5GHZ || erp) {
/*
* OFDM:
*
@@ -162,10 +162,10 @@ int ieee80211_frame_duration(struct ieee80211_local *local, size_t len,
/* Exported duration function for driver use */
__le16 ieee80211_generic_frame_duration(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
+ enum ieee80211_band band,
size_t frame_len,
struct ieee80211_rate *rate)
{
- struct ieee80211_local *local = hw_to_local(hw);
struct ieee80211_sub_if_data *sdata;
u16 dur;
int erp;
@@ -179,7 +179,7 @@ __le16 ieee80211_generic_frame_duration(struct ieee80211_hw *hw,
erp = rate->flags & IEEE80211_RATE_ERP_G;
}
- dur = ieee80211_frame_duration(local, frame_len, rate->bitrate, erp,
+ dur = ieee80211_frame_duration(band, frame_len, rate->bitrate, erp,
short_preamble);
return cpu_to_le16(dur);
@@ -198,7 +198,7 @@ __le16 ieee80211_rts_duration(struct ieee80211_hw *hw,
u16 dur;
struct ieee80211_supported_band *sband;
- sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
+ sband = local->hw.wiphy->bands[frame_txctl->band];
short_preamble = false;
@@ -213,13 +213,13 @@ __le16 ieee80211_rts_duration(struct ieee80211_hw *hw,
}
/* CTS duration */
- dur = ieee80211_frame_duration(local, 10, rate->bitrate,
+ dur = ieee80211_frame_duration(sband->band, 10, rate->bitrate,
erp, short_preamble);
/* Data frame duration */
- dur += ieee80211_frame_duration(local, frame_len, rate->bitrate,
+ dur += ieee80211_frame_duration(sband->band, frame_len, rate->bitrate,
erp, short_preamble);
/* ACK duration */
- dur += ieee80211_frame_duration(local, 10, rate->bitrate,
+ dur += ieee80211_frame_duration(sband->band, 10, rate->bitrate,
erp, short_preamble);
return cpu_to_le16(dur);
@@ -239,7 +239,7 @@ __le16 ieee80211_ctstoself_duration(struct ieee80211_hw *hw,
u16 dur;
struct ieee80211_supported_band *sband;
- sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
+ sband = local->hw.wiphy->bands[frame_txctl->band];
short_preamble = false;
@@ -253,11 +253,11 @@ __le16 ieee80211_ctstoself_duration(struct ieee80211_hw *hw,
}
/* Data frame duration */
- dur = ieee80211_frame_duration(local, frame_len, rate->bitrate,
+ dur = ieee80211_frame_duration(sband->band, frame_len, rate->bitrate,
erp, short_preamble);
if (!(frame_txctl->flags & IEEE80211_TX_CTL_NO_ACK)) {
/* ACK duration */
- dur += ieee80211_frame_duration(local, 10, rate->bitrate,
+ dur += ieee80211_frame_duration(sband->band, 10, rate->bitrate,
erp, short_preamble);
}
@@ -909,10 +909,8 @@ u32 ieee80211_mandatory_rates(struct ieee80211_local *local,
int i;
sband = local->hw.wiphy->bands[band];
- if (!sband) {
- WARN_ON(1);
- sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
- }
+ if (WARN_ON(!sband))
+ return 1;
if (band == IEEE80211_BAND_2GHZ)
mandatory_flag = IEEE80211_RATE_MANDATORY_B;
@@ -1146,10 +1144,8 @@ u32 ieee80211_sta_get_rates(struct ieee80211_local *local,
int i, j;
sband = local->hw.wiphy->bands[band];
- if (!sband) {
- WARN_ON(1);
- sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
- }
+ if (WARN_ON(!sband))
+ return 1;
bitrates = sband->bitrates;
num_rates = sband->n_bitrates;
@@ -1797,3 +1793,11 @@ int ieee80211_add_ext_srates_ie(struct ieee80211_vif *vif,
}
return 0;
}
+
+int ieee80211_ave_rssi(struct ieee80211_vif *vif)
+{
+ struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+
+ return ifmgd->ave_beacon_signal;
+}
diff --git a/net/mac80211/work.c b/net/mac80211/work.c
index c6e230efa049..b2650a9d45ff 100644
--- a/net/mac80211/work.c
+++ b/net/mac80211/work.c
@@ -122,9 +122,6 @@ static void ieee80211_work_work(struct work_struct *work)
enum work_action rma;
bool remain_off_channel = false;
- if (local->scanning)
- return;
-
/*
* ieee80211_queue_work() should have picked up most cases,
* here we'll pick the rest.
@@ -134,6 +131,11 @@ static void ieee80211_work_work(struct work_struct *work)
mutex_lock(&local->mtx);
+ if (local->scanning) {
+ mutex_unlock(&local->mtx);
+ return;
+ }
+
ieee80211_recalc_idle(local);
list_for_each_entry_safe(wk, tmp, &local->work_list, list) {
@@ -226,13 +228,8 @@ static void ieee80211_work_work(struct work_struct *work)
run_again(local, jiffies + HZ/2);
}
- if (list_empty(&local->work_list) && local->scan_req &&
- !local->scanning)
- ieee80211_queue_delayed_work(&local->hw,
- &local->scan_work,
- round_jiffies_relative(0));
-
ieee80211_recalc_idle(local);
+ ieee80211_run_deferred_scan(local);
mutex_unlock(&local->mtx);
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-07 17:16:04 +0300