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-rw-r--r--net/mac80211/cfg.c18
-rw-r--r--net/mac80211/debugfs_sta.c65
-rw-r--r--net/mac80211/driver-ops.h5
-rw-r--r--net/mac80211/driver-trace.h9
-rw-r--r--net/mac80211/ibss.c27
-rw-r--r--net/mac80211/ieee80211_i.h3
-rw-r--r--net/mac80211/main.c19
-rw-r--r--net/mac80211/mlme.c21
-rw-r--r--net/mac80211/rx.c2
-rw-r--r--net/mac80211/scan.c53
-rw-r--r--net/mac80211/sta_info.c17
-rw-r--r--net/mac80211/status.c7
-rw-r--r--net/mac80211/tx.c5
-rw-r--r--net/mac80211/work.c28
14 files changed, 216 insertions, 63 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 845a6e6..ae37270 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -97,9 +97,6 @@ static int ieee80211_change_iface(struct wiphy *wiphy,
params->mesh_id_len,
params->mesh_id);
- if (sdata->vif.type != NL80211_IFTYPE_MONITOR || !flags)
- return 0;
-
if (type == NL80211_IFTYPE_AP_VLAN &&
params && params->use_4addr == 0)
rcu_assign_pointer(sdata->u.vlan.sta, NULL);
@@ -107,7 +104,9 @@ static int ieee80211_change_iface(struct wiphy *wiphy,
params && params->use_4addr >= 0)
sdata->u.mgd.use_4addr = params->use_4addr;
- sdata->u.mntr_flags = *flags;
+ if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags)
+ sdata->u.mntr_flags = *flags;
+
return 0;
}
@@ -1115,6 +1114,13 @@ static int ieee80211_change_bss(struct wiphy *wiphy,
changed |= BSS_CHANGED_BASIC_RATES;
}
+ if (params->ap_isolate >= 0) {
+ if (params->ap_isolate)
+ sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
+ else
+ sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
+ }
+
ieee80211_bss_info_change_notify(sdata, changed);
return 0;
@@ -1399,11 +1405,11 @@ static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
return -EOPNOTSUPP;
if (enabled == sdata->u.mgd.powersave &&
- timeout == conf->dynamic_ps_timeout)
+ timeout == conf->dynamic_ps_forced_timeout)
return 0;
sdata->u.mgd.powersave = enabled;
- conf->dynamic_ps_timeout = timeout;
+ conf->dynamic_ps_forced_timeout = timeout;
/* no change, but if automatic follow powersave */
mutex_lock(&sdata->u.mgd.mtx);
diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c
index 6bc9b07..e763f15 100644
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -39,6 +39,13 @@ static const struct file_operations sta_ ##name## _ops = { \
.open = mac80211_open_file_generic, \
}
+#define STA_OPS_RW(name) \
+static const struct file_operations sta_ ##name## _ops = { \
+ .read = sta_##name##_read, \
+ .write = sta_##name##_write, \
+ .open = mac80211_open_file_generic, \
+}
+
#define STA_FILE(name, field, format) \
STA_READ_##format(name, field) \
STA_OPS(name)
@@ -156,7 +163,63 @@ static ssize_t sta_agg_status_read(struct file *file, char __user *userbuf,
return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
}
-STA_OPS(agg_status);
+
+static ssize_t sta_agg_status_write(struct file *file, const char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ char _buf[12], *buf = _buf;
+ struct sta_info *sta = file->private_data;
+ bool start, tx;
+ unsigned long tid;
+ int ret;
+
+ if (count > sizeof(_buf))
+ return -EINVAL;
+
+ if (copy_from_user(buf, userbuf, count))
+ return -EFAULT;
+
+ buf[sizeof(_buf) - 1] = '\0';
+
+ if (strncmp(buf, "tx ", 3) == 0) {
+ buf += 3;
+ tx = true;
+ } else if (strncmp(buf, "rx ", 3) == 0) {
+ buf += 3;
+ tx = false;
+ } else
+ return -EINVAL;
+
+ if (strncmp(buf, "start ", 6) == 0) {
+ buf += 6;
+ start = true;
+ if (!tx)
+ return -EINVAL;
+ } else if (strncmp(buf, "stop ", 5) == 0) {
+ buf += 5;
+ start = false;
+ } else
+ return -EINVAL;
+
+ tid = simple_strtoul(buf, NULL, 0);
+
+ if (tid >= STA_TID_NUM)
+ return -EINVAL;
+
+ if (tx) {
+ if (start)
+ ret = ieee80211_start_tx_ba_session(&sta->sta, tid);
+ else
+ ret = ieee80211_stop_tx_ba_session(&sta->sta, tid,
+ WLAN_BACK_RECIPIENT);
+ } else {
+ __ieee80211_stop_rx_ba_session(sta, tid, WLAN_BACK_RECIPIENT, 3);
+ ret = 0;
+ }
+
+ return ret ?: count;
+}
+STA_OPS_RW(agg_status);
static ssize_t sta_ht_capa_read(struct file *file, char __user *userbuf,
size_t count, loff_t *ppos)
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index 35e1e58..ee8b63f 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -152,14 +152,15 @@ static inline void drv_update_tkip_key(struct ieee80211_local *local,
}
static inline int drv_hw_scan(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata,
struct cfg80211_scan_request *req)
{
int ret;
might_sleep();
- ret = local->ops->hw_scan(&local->hw, req);
- trace_drv_hw_scan(local, req, ret);
+ ret = local->ops->hw_scan(&local->hw, &sdata->vif, req);
+ trace_drv_hw_scan(local, sdata, req, ret);
return ret;
}
diff --git a/net/mac80211/driver-trace.h b/net/mac80211/driver-trace.h
index e209cb82..ce734b5 100644
--- a/net/mac80211/driver-trace.h
+++ b/net/mac80211/driver-trace.h
@@ -363,23 +363,26 @@ TRACE_EVENT(drv_update_tkip_key,
TRACE_EVENT(drv_hw_scan,
TP_PROTO(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata,
struct cfg80211_scan_request *req, int ret),
- TP_ARGS(local, req, ret),
+ TP_ARGS(local, sdata, req, ret),
TP_STRUCT__entry(
LOCAL_ENTRY
+ VIF_ENTRY
__field(int, ret)
),
TP_fast_assign(
LOCAL_ASSIGN;
+ VIF_ASSIGN;
__entry->ret = ret;
),
TP_printk(
- LOCAL_PR_FMT " ret:%d",
- LOCAL_PR_ARG, __entry->ret
+ LOCAL_PR_FMT VIF_PR_FMT " ret:%d",
+ LOCAL_PR_ARG,VIF_PR_ARG, __entry->ret
)
);
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index e6f3b0c..b72ee64 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -92,6 +92,12 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
if (memcmp(ifibss->bssid, bssid, ETH_ALEN))
sta_info_flush(sdata->local, sdata);
+ /* if merging, indicate to driver that we leave the old IBSS */
+ if (sdata->vif.bss_conf.ibss_joined) {
+ sdata->vif.bss_conf.ibss_joined = false;
+ ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_IBSS);
+ }
+
memcpy(ifibss->bssid, bssid, ETH_ALEN);
sdata->drop_unencrypted = capability & WLAN_CAPABILITY_PRIVACY ? 1 : 0;
@@ -171,6 +177,8 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
bss_change |= BSS_CHANGED_BSSID;
bss_change |= BSS_CHANGED_BEACON;
bss_change |= BSS_CHANGED_BEACON_ENABLED;
+ bss_change |= BSS_CHANGED_IBSS;
+ sdata->vif.bss_conf.ibss_joined = true;
ieee80211_bss_info_change_notify(sdata, bss_change);
ieee80211_sta_def_wmm_params(sdata, sband->n_bitrates, supp_rates);
@@ -481,7 +489,9 @@ static void ieee80211_sta_merge_ibss(struct ieee80211_sub_if_data *sdata)
printk(KERN_DEBUG "%s: No active IBSS STAs - trying to scan for other "
"IBSS networks with same SSID (merge)\n", sdata->name);
- ieee80211_request_internal_scan(sdata, ifibss->ssid, ifibss->ssid_len);
+ ieee80211_request_internal_scan(sdata,
+ ifibss->ssid, ifibss->ssid_len,
+ ifibss->fixed_channel ? ifibss->channel : NULL);
}
static void ieee80211_sta_create_ibss(struct ieee80211_sub_if_data *sdata)
@@ -588,8 +598,9 @@ static void ieee80211_sta_find_ibss(struct ieee80211_sub_if_data *sdata)
printk(KERN_DEBUG "%s: Trigger new scan to find an IBSS to "
"join\n", sdata->name);
- ieee80211_request_internal_scan(sdata, ifibss->ssid,
- ifibss->ssid_len);
+ ieee80211_request_internal_scan(sdata,
+ ifibss->ssid, ifibss->ssid_len,
+ ifibss->fixed_channel ? ifibss->channel : NULL);
} else {
int interval = IEEE80211_SCAN_INTERVAL;
@@ -897,6 +908,12 @@ int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata,
sdata->u.ibss.channel = params->channel;
sdata->u.ibss.fixed_channel = params->channel_fixed;
+ /* fix ourselves to that channel now already */
+ if (params->channel_fixed) {
+ sdata->local->oper_channel = params->channel;
+ sdata->local->oper_channel_type = NL80211_CHAN_NO_HT;
+ }
+
if (params->ie) {
sdata->u.ibss.ie = kmemdup(params->ie, params->ie_len,
GFP_KERNEL);
@@ -951,7 +968,9 @@ int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata)
kfree(sdata->u.ibss.ie);
skb = sdata->u.ibss.presp;
rcu_assign_pointer(sdata->u.ibss.presp, NULL);
- ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
+ sdata->vif.bss_conf.ibss_joined = false;
+ ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED |
+ BSS_CHANGED_IBSS);
synchronize_rcu();
kfree_skb(skb);
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index c9712f3..cbaf498 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1019,7 +1019,8 @@ void ieee80211_ibss_restart(struct ieee80211_sub_if_data *sdata);
/* scan/BSS handling */
void ieee80211_scan_work(struct work_struct *work);
int ieee80211_request_internal_scan(struct ieee80211_sub_if_data *sdata,
- const u8 *ssid, u8 ssid_len);
+ const u8 *ssid, u8 ssid_len,
+ struct ieee80211_channel *chan);
int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata,
struct cfg80211_scan_request *req);
void ieee80211_scan_cancel(struct ieee80211_local *local);
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 011ee85..bd632e1 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -442,7 +442,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
struct ieee80211_local *local = hw_to_local(hw);
int result;
enum ieee80211_band band;
- int channels, i, j, max_bitrates;
+ int channels, max_bitrates;
bool supp_ht;
static const u32 cipher_suites[] = {
WLAN_CIPHER_SUITE_WEP40,
@@ -572,6 +572,8 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
local->hw.conf.listen_interval = local->hw.max_listen_interval;
+ local->hw.conf.dynamic_ps_forced_timeout = -1;
+
result = sta_info_start(local);
if (result < 0)
goto fail_sta_info;
@@ -606,21 +608,6 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
ieee80211_led_init(local);
- /* alloc internal scan request */
- i = 0;
- local->int_scan_req->ssids = &local->scan_ssid;
- local->int_scan_req->n_ssids = 1;
- for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
- if (!hw->wiphy->bands[band])
- continue;
- for (j = 0; j < hw->wiphy->bands[band]->n_channels; j++) {
- local->int_scan_req->channels[i] =
- &hw->wiphy->bands[band]->channels[j];
- i++;
- }
- }
- local->int_scan_req->n_channels = i;
-
local->network_latency_notifier.notifier_call =
ieee80211_max_network_latency;
result = pm_qos_add_notifier(PM_QOS_NETWORK_LATENCY,
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 425f66c..358226f 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -478,6 +478,7 @@ void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency)
{
struct ieee80211_sub_if_data *sdata, *found = NULL;
int count = 0;
+ int timeout;
if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS)) {
local->ps_sdata = NULL;
@@ -511,6 +512,26 @@ void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency)
beaconint_us = ieee80211_tu_to_usec(
found->vif.bss_conf.beacon_int);
+ timeout = local->hw.conf.dynamic_ps_forced_timeout;
+ if (timeout < 0) {
+ /*
+ * The 2 second value is there for compatibility until
+ * the PM_QOS_NETWORK_LATENCY is configured with real
+ * values.
+ */
+ if (latency == 2000000000)
+ timeout = 100;
+ else if (latency <= 50000)
+ timeout = 300;
+ else if (latency <= 100000)
+ timeout = 100;
+ else if (latency <= 500000)
+ timeout = 50;
+ else
+ timeout = 0;
+ }
+ local->hw.conf.dynamic_ps_timeout = timeout;
+
if (beaconint_us > latency) {
local->ps_sdata = NULL;
} else {
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 72efbd8..9a08f2c 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -81,8 +81,6 @@ ieee80211_rx_radiotap_len(struct ieee80211_local *local,
len += 8;
if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM)
len += 1;
- if (local->hw.flags & IEEE80211_HW_NOISE_DBM)
- len += 1;
if (len & 1) /* padding for RX_FLAGS if necessary */
len++;
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index e1a3def..e14c441 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -85,7 +85,7 @@ ieee80211_bss_info_update(struct ieee80211_local *local,
{
struct cfg80211_bss *cbss;
struct ieee80211_bss *bss;
- int clen;
+ int clen, srlen;
s32 signal = 0;
if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM)
@@ -114,23 +114,24 @@ ieee80211_bss_info_update(struct ieee80211_local *local,
bss->dtim_period = tim_ie->dtim_period;
}
- bss->supp_rates_len = 0;
+ /* replace old supported rates if we get new values */
+ srlen = 0;
if (elems->supp_rates) {
- clen = IEEE80211_MAX_SUPP_RATES - bss->supp_rates_len;
+ clen = IEEE80211_MAX_SUPP_RATES;
if (clen > elems->supp_rates_len)
clen = elems->supp_rates_len;
- memcpy(&bss->supp_rates[bss->supp_rates_len], elems->supp_rates,
- clen);
- bss->supp_rates_len += clen;
+ memcpy(bss->supp_rates, elems->supp_rates, clen);
+ srlen += clen;
}
if (elems->ext_supp_rates) {
- clen = IEEE80211_MAX_SUPP_RATES - bss->supp_rates_len;
+ clen = IEEE80211_MAX_SUPP_RATES - srlen;
if (clen > elems->ext_supp_rates_len)
clen = elems->ext_supp_rates_len;
- memcpy(&bss->supp_rates[bss->supp_rates_len],
- elems->ext_supp_rates, clen);
- bss->supp_rates_len += clen;
+ memcpy(bss->supp_rates + srlen, elems->ext_supp_rates, clen);
+ srlen += clen;
}
+ if (srlen)
+ bss->supp_rates_len = srlen;
bss->wmm_used = elems->wmm_param || elems->wmm_info;
bss->uapsd_supported = is_uapsd_supported(elems);
@@ -411,7 +412,7 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
if (local->ops->hw_scan) {
WARN_ON(!ieee80211_prep_hw_scan(local));
- rc = drv_hw_scan(local, local->hw_scan_req);
+ rc = drv_hw_scan(local, sdata, local->hw_scan_req);
} else
rc = ieee80211_start_sw_scan(local);
@@ -655,7 +656,7 @@ void ieee80211_scan_work(struct work_struct *work)
}
if (local->hw_scan_req) {
- int rc = drv_hw_scan(local, local->hw_scan_req);
+ int rc = drv_hw_scan(local, sdata, local->hw_scan_req);
mutex_unlock(&local->scan_mtx);
if (rc)
ieee80211_scan_completed(&local->hw, true);
@@ -728,10 +729,12 @@ int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata,
}
int ieee80211_request_internal_scan(struct ieee80211_sub_if_data *sdata,
- const u8 *ssid, u8 ssid_len)
+ const u8 *ssid, u8 ssid_len,
+ struct ieee80211_channel *chan)
{
struct ieee80211_local *local = sdata->local;
int ret = -EBUSY;
+ enum nl80211_band band;
mutex_lock(&local->scan_mtx);
@@ -739,6 +742,30 @@ int ieee80211_request_internal_scan(struct ieee80211_sub_if_data *sdata,
if (local->scan_req)
goto unlock;
+ /* fill internal scan request */
+ if (!chan) {
+ int i, nchan = 0;
+
+ for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
+ if (!local->hw.wiphy->bands[band])
+ continue;
+ for (i = 0;
+ i < local->hw.wiphy->bands[band]->n_channels;
+ i++) {
+ local->int_scan_req->channels[nchan] =
+ &local->hw.wiphy->bands[band]->channels[i];
+ nchan++;
+ }
+ }
+
+ local->int_scan_req->n_channels = nchan;
+ } else {
+ local->int_scan_req->channels[0] = chan;
+ local->int_scan_req->n_channels = 1;
+ }
+
+ local->int_scan_req->ssids = &local->scan_ssid;
+ local->int_scan_req->n_ssids = 1;
memcpy(local->int_scan_req->ssids[0].ssid, ssid, IEEE80211_MAX_SSID_LEN);
local->int_scan_req->ssids[0].ssid_len = ssid_len;
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 3de7a22..7301975 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -855,8 +855,12 @@ struct ieee80211_sta *ieee80211_find_sta_by_hw(struct ieee80211_hw *hw,
struct sta_info *sta, *nxt;
/* Just return a random station ... first in list ... */
- for_each_sta_info(hw_to_local(hw), addr, sta, nxt)
+ for_each_sta_info(hw_to_local(hw), addr, sta, nxt) {
+ if (!sta->uploaded)
+ return NULL;
return &sta->sta;
+ }
+
return NULL;
}
EXPORT_SYMBOL_GPL(ieee80211_find_sta_by_hw);
@@ -864,14 +868,19 @@ EXPORT_SYMBOL_GPL(ieee80211_find_sta_by_hw);
struct ieee80211_sta *ieee80211_find_sta(struct ieee80211_vif *vif,
const u8 *addr)
{
- struct ieee80211_sub_if_data *sdata;
+ struct sta_info *sta;
if (!vif)
return NULL;
- sdata = vif_to_sdata(vif);
+ sta = sta_info_get_bss(vif_to_sdata(vif), addr);
+ if (!sta)
+ return NULL;
+
+ if (!sta->uploaded)
+ return NULL;
- return ieee80211_find_sta_by_hw(&sdata->local->hw, addr);
+ return &sta->sta;
}
EXPORT_SYMBOL(ieee80211_find_sta);
diff --git a/net/mac80211/status.c b/net/mac80211/status.c
index 11805a3..94613af 100644
--- a/net/mac80211/status.c
+++ b/net/mac80211/status.c
@@ -171,6 +171,7 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
struct net_device *prev_dev = NULL;
struct sta_info *sta, *tmp;
int retry_count = -1, i;
+ int rates_idx = -1;
bool send_to_cooked;
for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
@@ -178,6 +179,8 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
if (i >= hw->max_rates) {
info->status.rates[i].idx = -1;
info->status.rates[i].count = 0;
+ } else if (info->status.rates[i].idx >= 0) {
+ rates_idx = i;
}
retry_count += info->status.rates[i].count;
@@ -206,6 +209,10 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
return;
}
+ if ((local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) &&
+ (rates_idx != -1))
+ sta->last_tx_rate = info->status.rates[rates_idx];
+
if ((info->flags & IEEE80211_TX_STAT_AMPDU_NO_BACK) &&
(ieee80211_is_data_qos(fc))) {
u16 tid, ssn;
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index e2aa972..f3841f4 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -593,7 +593,8 @@ ieee80211_tx_h_rate_ctrl(struct ieee80211_tx_data *tx)
struct ieee80211_hdr *hdr = (void *)tx->skb->data;
struct ieee80211_supported_band *sband;
struct ieee80211_rate *rate;
- int i, len;
+ int i;
+ u32 len;
bool inval = false, rts = false, short_preamble = false;
struct ieee80211_tx_rate_control txrc;
u32 sta_flags;
@@ -602,7 +603,7 @@ ieee80211_tx_h_rate_ctrl(struct ieee80211_tx_data *tx)
sband = tx->local->hw.wiphy->bands[tx->channel->band];
- len = min_t(int, tx->skb->len + FCS_LEN,
+ len = min_t(u32, tx->skb->len + FCS_LEN,
tx->local->hw.wiphy->frag_threshold);
/* set up the tx rate control struct we give the RC algo */
diff --git a/net/mac80211/work.c b/net/mac80211/work.c
index bdb1d05..3dd0760 100644
--- a/net/mac80211/work.c
+++ b/net/mac80211/work.c
@@ -213,15 +213,25 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata,
sband = local->hw.wiphy->bands[wk->chan->band];
- /*
- * Get all rates supported by the device and the AP as
- * some APs don't like getting a superset of their rates
- * in the association request (e.g. D-Link DAP 1353 in
- * b-only mode)...
- */
- rates_len = ieee80211_compatible_rates(wk->assoc.supp_rates,
- wk->assoc.supp_rates_len,
- sband, &rates);
+ if (wk->assoc.supp_rates_len) {
+ /*
+ * Get all rates supported by the device and the AP as
+ * some APs don't like getting a superset of their rates
+ * in the association request (e.g. D-Link DAP 1353 in
+ * b-only mode)...
+ */
+ rates_len = ieee80211_compatible_rates(wk->assoc.supp_rates,
+ wk->assoc.supp_rates_len,
+ sband, &rates);
+ } else {
+ /*
+ * In case AP not provide any supported rates information
+ * before association, we send information element(s) with
+ * all rates that we support.
+ */
+ rates = ~0;
+ rates_len = sband->n_bitrates;
+ }
skb = alloc_skb(local->hw.extra_tx_headroom +
sizeof(*mgmt) + /* bit too much but doesn't matter */
generated by cgit v1.1 at 2024-11-01 06:39:31 +0000