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-rw-r--r--net/mac80211/Kconfig8
-rw-r--r--net/mac80211/agg-rx.c72
-rw-r--r--net/mac80211/agg-tx.c14
-rw-r--r--net/mac80211/cfg.c13
-rw-r--r--net/mac80211/debugfs_netdev.c12
-rw-r--r--net/mac80211/debugfs_sta.c12
-rw-r--r--net/mac80211/driver-trace.h275
-rw-r--r--net/mac80211/ht.c3
-rw-r--r--net/mac80211/ieee80211_i.h21
-rw-r--r--net/mac80211/main.c2
-rw-r--r--net/mac80211/mesh.c4
-rw-r--r--net/mac80211/mesh.h2
-rw-r--r--net/mac80211/mesh_hwmp.c4
-rw-r--r--net/mac80211/mesh_plink.c2
-rw-r--r--net/mac80211/mlme.c106
-rw-r--r--net/mac80211/pm.c2
-rw-r--r--net/mac80211/rx.c91
-rw-r--r--net/mac80211/scan.c2
-rw-r--r--net/mac80211/sta_info.c75
-rw-r--r--net/mac80211/sta_info.h10
-rw-r--r--net/mac80211/tx.c7
-rw-r--r--net/mac80211/util.c11
-rw-r--r--net/mac80211/work.c7
23 files changed, 572 insertions, 183 deletions
diff --git a/net/mac80211/Kconfig b/net/mac80211/Kconfig
index 334c359da5e8..8a91f6c0bb18 100644
--- a/net/mac80211/Kconfig
+++ b/net/mac80211/Kconfig
@@ -221,8 +221,8 @@ config MAC80211_DRIVER_API_TRACER
depends on EVENT_TRACING
help
Say Y here to make mac80211 register with the ftrace
- framework for the driver API -- you can see which
- driver methods it is calling then by looking at the
- trace.
+ framework for the driver API -- you can then see which
+ driver methods it is calling and which API functions
+ drivers are calling by looking at the trace.
- If unsure, say N.
+ If unsure, say Y.
diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c
index f9516a27e233..9598fdb4ad01 100644
--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -23,19 +23,20 @@ void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
u16 initiator, u16 reason)
{
struct ieee80211_local *local = sta->local;
+ struct tid_ampdu_rx *tid_rx;
int i;
- /* check if TID is in operational state */
spin_lock_bh(&sta->lock);
- if (sta->ampdu_mlme.tid_state_rx[tid] != HT_AGG_STATE_OPERATIONAL) {
+
+ /* check if TID is in operational state */
+ if (!sta->ampdu_mlme.tid_active_rx[tid]) {
spin_unlock_bh(&sta->lock);
return;
}
- sta->ampdu_mlme.tid_state_rx[tid] =
- HT_AGG_STATE_REQ_STOP_BA_MSK |
- (initiator << HT_AGG_STATE_INITIATOR_SHIFT);
- spin_unlock_bh(&sta->lock);
+ sta->ampdu_mlme.tid_active_rx[tid] = false;
+
+ tid_rx = sta->ampdu_mlme.tid_rx[tid];
#ifdef CONFIG_MAC80211_HT_DEBUG
printk(KERN_DEBUG "Rx BA session stop requested for %pM tid %u\n",
@@ -47,61 +48,35 @@ void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
printk(KERN_DEBUG "HW problem - can not stop rx "
"aggregation for tid %d\n", tid);
- /* shutdown timer has not expired */
- if (initiator != WLAN_BACK_TIMER)
- del_timer_sync(&sta->ampdu_mlme.tid_rx[tid]->session_timer);
-
/* check if this is a self generated aggregation halt */
- if (initiator == WLAN_BACK_RECIPIENT || initiator == WLAN_BACK_TIMER)
+ if (initiator == WLAN_BACK_RECIPIENT)
ieee80211_send_delba(sta->sdata, sta->sta.addr,
tid, 0, reason);
/* free the reordering buffer */
- for (i = 0; i < sta->ampdu_mlme.tid_rx[tid]->buf_size; i++) {
- if (sta->ampdu_mlme.tid_rx[tid]->reorder_buf[i]) {
+ for (i = 0; i < tid_rx->buf_size; i++) {
+ if (tid_rx->reorder_buf[i]) {
/* release the reordered frames */
- dev_kfree_skb(sta->ampdu_mlme.tid_rx[tid]->reorder_buf[i]);
- sta->ampdu_mlme.tid_rx[tid]->stored_mpdu_num--;
- sta->ampdu_mlme.tid_rx[tid]->reorder_buf[i] = NULL;
+ dev_kfree_skb(tid_rx->reorder_buf[i]);
+ tid_rx->stored_mpdu_num--;
+ tid_rx->reorder_buf[i] = NULL;
}
}
- spin_lock_bh(&sta->lock);
/* free resources */
- kfree(sta->ampdu_mlme.tid_rx[tid]->reorder_buf);
- kfree(sta->ampdu_mlme.tid_rx[tid]->reorder_time);
+ kfree(tid_rx->reorder_buf);
+ kfree(tid_rx->reorder_time);
+ sta->ampdu_mlme.tid_rx[tid] = NULL;
- if (!sta->ampdu_mlme.tid_rx[tid]->shutdown) {
- kfree(sta->ampdu_mlme.tid_rx[tid]);
- sta->ampdu_mlme.tid_rx[tid] = NULL;
- }
-
- sta->ampdu_mlme.tid_state_rx[tid] = HT_AGG_STATE_IDLE;
spin_unlock_bh(&sta->lock);
-}
-
-void ieee80211_sta_stop_rx_ba_session(struct ieee80211_sub_if_data *sdata, u8 *ra, u16 tid,
- u16 initiator, u16 reason)
-{
- struct sta_info *sta;
-
- rcu_read_lock();
-
- sta = sta_info_get(sdata, ra);
- if (!sta) {
- rcu_read_unlock();
- return;
- }
-
- __ieee80211_stop_rx_ba_session(sta, tid, initiator, reason);
- rcu_read_unlock();
+ del_timer_sync(&tid_rx->session_timer);
+ kfree(tid_rx);
}
/*
* After accepting the AddBA Request we activated a timer,
* resetting it after each frame that arrives from the originator.
- * if this timer expires ieee80211_sta_stop_rx_ba_session will be executed.
*/
static void sta_rx_agg_session_timer_expired(unsigned long data)
{
@@ -117,9 +92,8 @@ static void sta_rx_agg_session_timer_expired(unsigned long data)
#ifdef CONFIG_MAC80211_HT_DEBUG
printk(KERN_DEBUG "rx session timer expired on tid %d\n", (u16)*ptid);
#endif
- ieee80211_sta_stop_rx_ba_session(sta->sdata, sta->sta.addr,
- (u16)*ptid, WLAN_BACK_TIMER,
- WLAN_REASON_QSTA_TIMEOUT);
+ __ieee80211_stop_rx_ba_session(sta, *ptid, WLAN_BACK_RECIPIENT,
+ WLAN_REASON_QSTA_TIMEOUT);
}
static void ieee80211_send_addba_resp(struct ieee80211_sub_if_data *sdata, u8 *da, u16 tid,
@@ -194,7 +168,7 @@ void ieee80211_process_addba_request(struct ieee80211_local *local,
status = WLAN_STATUS_REQUEST_DECLINED;
- if (test_sta_flags(sta, WLAN_STA_SUSPEND)) {
+ if (test_sta_flags(sta, WLAN_STA_BLOCK_BA)) {
#ifdef CONFIG_MAC80211_HT_DEBUG
printk(KERN_DEBUG "Suspend in progress. "
"Denying ADDBA request\n");
@@ -232,7 +206,7 @@ void ieee80211_process_addba_request(struct ieee80211_local *local,
/* examine state machine */
spin_lock_bh(&sta->lock);
- if (sta->ampdu_mlme.tid_state_rx[tid] != HT_AGG_STATE_IDLE) {
+ if (sta->ampdu_mlme.tid_active_rx[tid]) {
#ifdef CONFIG_MAC80211_HT_DEBUG
if (net_ratelimit())
printk(KERN_DEBUG "unexpected AddBA Req from "
@@ -294,7 +268,7 @@ void ieee80211_process_addba_request(struct ieee80211_local *local,
}
/* change state and send addba resp */
- sta->ampdu_mlme.tid_state_rx[tid] = HT_AGG_STATE_OPERATIONAL;
+ sta->ampdu_mlme.tid_active_rx[tid] = true;
tid_agg_rx->dialog_token = dialog_token;
tid_agg_rx->ssn = start_seq_num;
tid_agg_rx->head_seq_num = start_seq_num;
diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c
index 96d25348aa59..608063f11797 100644
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -215,6 +215,8 @@ int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid)
int ret = 0;
u16 start_seq_num;
+ trace_api_start_tx_ba_session(pubsta, tid);
+
if (WARN_ON(!local->ops->ampdu_action))
return -EINVAL;
@@ -246,7 +248,7 @@ int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid)
return -EINVAL;
}
- if (test_sta_flags(sta, WLAN_STA_SUSPEND)) {
+ if (test_sta_flags(sta, WLAN_STA_BLOCK_BA)) {
#ifdef CONFIG_MAC80211_HT_DEBUG
printk(KERN_DEBUG "Suspend in progress. "
"Denying BA session request\n");
@@ -415,7 +417,7 @@ static void ieee80211_agg_tx_operational(struct ieee80211_local *local,
struct sta_info *sta, u16 tid)
{
#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "Aggregation is on for tid %d \n", tid);
+ printk(KERN_DEBUG "Aggregation is on for tid %d\n", tid);
#endif
spin_lock(&local->ampdu_lock);
@@ -441,6 +443,8 @@ void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid)
struct sta_info *sta;
u8 *state;
+ trace_api_start_tx_ba_cb(sdata, ra, tid);
+
if (tid >= STA_TID_NUM) {
#ifdef CONFIG_MAC80211_HT_DEBUG
printk(KERN_DEBUG "Bad TID value: tid = %d (>= %d)\n",
@@ -542,6 +546,8 @@ int ieee80211_stop_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid,
struct ieee80211_sub_if_data *sdata = sta->sdata;
struct ieee80211_local *local = sdata->local;
+ trace_api_stop_tx_ba_session(pubsta, tid, initiator);
+
if (!local->ops->ampdu_action)
return -EINVAL;
@@ -559,6 +565,8 @@ void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid)
struct sta_info *sta;
u8 *state;
+ trace_api_stop_tx_ba_cb(sdata, ra, tid);
+
if (tid >= STA_TID_NUM) {
#ifdef CONFIG_MAC80211_HT_DEBUG
printk(KERN_DEBUG "Bad TID value: tid = %d (>= %d)\n",
@@ -675,7 +683,7 @@ void ieee80211_process_addba_resp(struct ieee80211_local *local,
del_timer(&sta->ampdu_mlme.tid_tx[tid]->addba_resp_timer);
#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "switched off addBA timer for tid %d \n", tid);
+ printk(KERN_DEBUG "switched off addBA timer for tid %d\n", tid);
#endif /* CONFIG_MAC80211_HT_DEBUG */
if (le16_to_cpu(mgmt->u.action.u.addba_resp.status)
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index c41aaba839fa..7dd7cda75cfa 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1137,6 +1137,10 @@ static int ieee80211_set_txq_params(struct wiphy *wiphy,
return -EINVAL;
}
+ /* enable WMM or activate new settings */
+ local->hw.conf.flags |= IEEE80211_CONF_QOS;
+ drv_config(local, IEEE80211_CONF_CHANGE_QOS);
+
return 0;
}
@@ -1412,9 +1416,6 @@ static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
struct ieee80211_vif *vif = &sdata->vif;
struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
- if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI))
- return -EOPNOTSUPP;
-
if (rssi_thold == bss_conf->cqm_rssi_thold &&
rssi_hyst == bss_conf->cqm_rssi_hyst)
return 0;
@@ -1422,6 +1423,12 @@ static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
bss_conf->cqm_rssi_thold = rssi_thold;
bss_conf->cqm_rssi_hyst = rssi_hyst;
+ if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI)) {
+ if (sdata->vif.type != NL80211_IFTYPE_STATION)
+ return -EOPNOTSUPP;
+ return 0;
+ }
+
/* tell the driver upon association, unless already associated */
if (sdata->u.mgd.associated)
ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
index 83d4289d954b..20b2998fa0ed 100644
--- a/net/mac80211/debugfs_netdev.c
+++ b/net/mac80211/debugfs_netdev.c
@@ -100,6 +100,14 @@ static ssize_t ieee80211_if_fmt_##name( \
return scnprintf(buf, buflen, "%pM\n", sdata->field); \
}
+#define IEEE80211_IF_FMT_DEC_DIV_16(name, field) \
+static ssize_t ieee80211_if_fmt_##name( \
+ const struct ieee80211_sub_if_data *sdata, \
+ char *buf, int buflen) \
+{ \
+ return scnprintf(buf, buflen, "%d\n", sdata->field / 16); \
+}
+
#define __IEEE80211_IF_FILE(name, _write) \
static ssize_t ieee80211_if_read_##name(struct file *file, \
char __user *userbuf, \
@@ -140,6 +148,8 @@ IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[IEEE80211_BAND_5GHZ],
/* STA attributes */
IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC);
IEEE80211_IF_FILE(aid, u.mgd.aid, DEC);
+IEEE80211_IF_FILE(last_beacon, u.mgd.last_beacon_signal, DEC);
+IEEE80211_IF_FILE(ave_beacon, u.mgd.ave_beacon_signal, DEC_DIV_16);
static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata,
enum ieee80211_smps_mode smps_mode)
@@ -276,6 +286,8 @@ static void add_sta_files(struct ieee80211_sub_if_data *sdata)
DEBUGFS_ADD(bssid);
DEBUGFS_ADD(aid);
+ DEBUGFS_ADD(last_beacon);
+ DEBUGFS_ADD(ave_beacon);
DEBUGFS_ADD_MODE(smps, 0600);
}
diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c
index 23e720034577..6bc9b07c3eda 100644
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -119,7 +119,7 @@ STA_OPS(last_seq_ctrl);
static ssize_t sta_agg_status_read(struct file *file, char __user *userbuf,
size_t count, loff_t *ppos)
{
- char buf[64 + STA_TID_NUM * 40], *p = buf;
+ char buf[71 + STA_TID_NUM * 40], *p = buf;
int i;
struct sta_info *sta = file->private_data;
@@ -127,16 +127,16 @@ static ssize_t sta_agg_status_read(struct file *file, char __user *userbuf,
p += scnprintf(p, sizeof(buf) + buf - p, "next dialog_token: %#02x\n",
sta->ampdu_mlme.dialog_token_allocator + 1);
p += scnprintf(p, sizeof(buf) + buf - p,
- "TID\t\tRX\tDTKN\tSSN\t\tTX\tDTKN\tSSN\tpending\n");
+ "TID\t\tRX active\tDTKN\tSSN\t\tTX\tDTKN\tSSN\tpending\n");
for (i = 0; i < STA_TID_NUM; i++) {
p += scnprintf(p, sizeof(buf) + buf - p, "%02d", i);
p += scnprintf(p, sizeof(buf) + buf - p, "\t\t%x",
- sta->ampdu_mlme.tid_state_rx[i]);
+ sta->ampdu_mlme.tid_active_rx[i]);
p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.2x",
- sta->ampdu_mlme.tid_state_rx[i] ?
+ sta->ampdu_mlme.tid_active_rx[i] ?
sta->ampdu_mlme.tid_rx[i]->dialog_token : 0);
p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.3x",
- sta->ampdu_mlme.tid_state_rx[i] ?
+ sta->ampdu_mlme.tid_active_rx[i] ?
sta->ampdu_mlme.tid_rx[i]->ssn : 0);
p += scnprintf(p, sizeof(buf) + buf - p, "\t\t%x",
@@ -176,7 +176,7 @@ static ssize_t sta_ht_capa_read(struct file *file, char __user *userbuf,
if (htc->ht_supported) {
p += scnprintf(p, sizeof(buf)+buf-p, "cap: %#.4x\n", htc->cap);
- PRINT_HT_CAP((htc->cap & BIT(0)), "RX LDCP");
+ PRINT_HT_CAP((htc->cap & BIT(0)), "RX LDPC");
PRINT_HT_CAP((htc->cap & BIT(1)), "HT20/HT40");
PRINT_HT_CAP(!(htc->cap & BIT(1)), "HT20");
diff --git a/net/mac80211/driver-trace.h b/net/mac80211/driver-trace.h
index 41baf730a5c7..e209cb82ff29 100644
--- a/net/mac80211/driver-trace.h
+++ b/net/mac80211/driver-trace.h
@@ -32,6 +32,10 @@ static inline void trace_ ## name(proto) {}
#define VIF_PR_FMT " vif:%s(%d)"
#define VIF_PR_ARG __get_str(vif_name), __entry->vif_type
+/*
+ * Tracing for driver callbacks.
+ */
+
TRACE_EVENT(drv_start,
TP_PROTO(struct ieee80211_local *local, int ret),
@@ -766,6 +770,277 @@ TRACE_EVENT(drv_flush,
LOCAL_PR_ARG, __entry->drop
)
);
+
+/*
+ * Tracing for API calls that drivers call.
+ */
+
+TRACE_EVENT(api_start_tx_ba_session,
+ TP_PROTO(struct ieee80211_sta *sta, u16 tid),
+
+ TP_ARGS(sta, tid),
+
+ TP_STRUCT__entry(
+ STA_ENTRY
+ __field(u16, tid)
+ ),
+
+ TP_fast_assign(
+ STA_ASSIGN;
+ __entry->tid = tid;
+ ),
+
+ TP_printk(
+ STA_PR_FMT " tid:%d",
+ STA_PR_ARG, __entry->tid
+ )
+);
+
+TRACE_EVENT(api_start_tx_ba_cb,
+ TP_PROTO(struct ieee80211_sub_if_data *sdata, const u8 *ra, u16 tid),
+
+ TP_ARGS(sdata, ra, tid),
+
+ TP_STRUCT__entry(
+ VIF_ENTRY
+ __array(u8, ra, ETH_ALEN)
+ __field(u16, tid)
+ ),
+
+ TP_fast_assign(
+ VIF_ASSIGN;
+ memcpy(__entry->ra, ra, ETH_ALEN);
+ __entry->tid = tid;
+ ),
+
+ TP_printk(
+ VIF_PR_FMT " ra:%pM tid:%d",
+ VIF_PR_ARG, __entry->ra, __entry->tid
+ )
+);
+
+TRACE_EVENT(api_stop_tx_ba_session,
+ TP_PROTO(struct ieee80211_sta *sta, u16 tid, u16 initiator),
+
+ TP_ARGS(sta, tid, initiator),
+
+ TP_STRUCT__entry(
+ STA_ENTRY
+ __field(u16, tid)
+ __field(u16, initiator)
+ ),
+
+ TP_fast_assign(
+ STA_ASSIGN;
+ __entry->tid = tid;
+ __entry->initiator = initiator;
+ ),
+
+ TP_printk(
+ STA_PR_FMT " tid:%d initiator:%d",
+ STA_PR_ARG, __entry->tid, __entry->initiator
+ )
+);
+
+TRACE_EVENT(api_stop_tx_ba_cb,
+ TP_PROTO(struct ieee80211_sub_if_data *sdata, const u8 *ra, u16 tid),
+
+ TP_ARGS(sdata, ra, tid),
+
+ TP_STRUCT__entry(
+ VIF_ENTRY
+ __array(u8, ra, ETH_ALEN)
+ __field(u16, tid)
+ ),
+
+ TP_fast_assign(
+ VIF_ASSIGN;
+ memcpy(__entry->ra, ra, ETH_ALEN);
+ __entry->tid = tid;
+ ),
+
+ TP_printk(
+ VIF_PR_FMT " ra:%pM tid:%d",
+ VIF_PR_ARG, __entry->ra, __entry->tid
+ )
+);
+
+TRACE_EVENT(api_restart_hw,
+ TP_PROTO(struct ieee80211_local *local),
+
+ TP_ARGS(local),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT,
+ LOCAL_PR_ARG
+ )
+);
+
+TRACE_EVENT(api_beacon_loss,
+ TP_PROTO(struct ieee80211_sub_if_data *sdata),
+
+ TP_ARGS(sdata),
+
+ TP_STRUCT__entry(
+ VIF_ENTRY
+ ),
+
+ TP_fast_assign(
+ VIF_ASSIGN;
+ ),
+
+ TP_printk(
+ VIF_PR_FMT,
+ VIF_PR_ARG
+ )
+);
+
+TRACE_EVENT(api_connection_loss,
+ TP_PROTO(struct ieee80211_sub_if_data *sdata),
+
+ TP_ARGS(sdata),
+
+ TP_STRUCT__entry(
+ VIF_ENTRY
+ ),
+
+ TP_fast_assign(
+ VIF_ASSIGN;
+ ),
+
+ TP_printk(
+ VIF_PR_FMT,
+ VIF_PR_ARG
+ )
+);
+
+TRACE_EVENT(api_cqm_rssi_notify,
+ TP_PROTO(struct ieee80211_sub_if_data *sdata,
+ enum nl80211_cqm_rssi_threshold_event rssi_event),
+
+ TP_ARGS(sdata, rssi_event),
+
+ TP_STRUCT__entry(
+ VIF_ENTRY
+ __field(u32, rssi_event)
+ ),
+
+ TP_fast_assign(
+ VIF_ASSIGN;
+ __entry->rssi_event = rssi_event;
+ ),
+
+ TP_printk(
+ VIF_PR_FMT " event:%d",
+ VIF_PR_ARG, __entry->rssi_event
+ )
+);
+
+TRACE_EVENT(api_scan_completed,
+ TP_PROTO(struct ieee80211_local *local, bool aborted),
+
+ TP_ARGS(local, aborted),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ __field(bool, aborted)
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ __entry->aborted = aborted;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT " aborted:%d",
+ LOCAL_PR_ARG, __entry->aborted
+ )
+);
+
+TRACE_EVENT(api_sta_block_awake,
+ TP_PROTO(struct ieee80211_local *local,
+ struct ieee80211_sta *sta, bool block),
+
+ TP_ARGS(local, sta, block),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ STA_ENTRY
+ __field(bool, block)
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ STA_ASSIGN;
+ __entry->block = block;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT STA_PR_FMT " block:%d",
+ LOCAL_PR_ARG, STA_PR_FMT, __entry->block
+ )
+);
+
+/*
+ * Tracing for internal functions
+ * (which may also be called in response to driver calls)
+ */
+
+TRACE_EVENT(wake_queue,
+ TP_PROTO(struct ieee80211_local *local, u16 queue,
+ enum queue_stop_reason reason),
+
+ TP_ARGS(local, queue, reason),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ __field(u16, queue)
+ __field(u32, reason)
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ __entry->queue = queue;
+ __entry->reason = reason;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT " queue:%d, reason:%d",
+ LOCAL_PR_ARG, __entry->queue, __entry->reason
+ )
+);
+
+TRACE_EVENT(stop_queue,
+ TP_PROTO(struct ieee80211_local *local, u16 queue,
+ enum queue_stop_reason reason),
+
+ TP_ARGS(local, queue, reason),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ __field(u16, queue)
+ __field(u32, reason)
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ __entry->queue = queue;
+ __entry->reason = reason;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT " queue:%d, reason:%d",
+ LOCAL_PR_ARG, __entry->queue, __entry->reason
+ )
+);
#endif /* !__MAC80211_DRIVER_TRACE || TRACE_HEADER_MULTI_READ */
#undef TRACE_INCLUDE_PATH
diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c
index bb677a73b7c9..2ab106a0a491 100644
--- a/net/mac80211/ht.c
+++ b/net/mac80211/ht.c
@@ -175,8 +175,7 @@ void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata,
#endif /* CONFIG_MAC80211_HT_DEBUG */
if (initiator == WLAN_BACK_INITIATOR)
- ieee80211_sta_stop_rx_ba_session(sdata, sta->sta.addr, tid,
- WLAN_BACK_INITIATOR, 0);
+ __ieee80211_stop_rx_ba_session(sta, tid, WLAN_BACK_INITIATOR, 0);
else { /* WLAN_BACK_RECIPIENT */
spin_lock_bh(&sta->lock);
if (sta->ampdu_mlme.tid_state_tx[tid] & HT_ADDBA_REQUESTED_MSK)
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 7fdacf9408b1..c9712f35e596 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -317,6 +317,7 @@ enum ieee80211_sta_flags {
IEEE80211_STA_MFP_ENABLED = BIT(6),
IEEE80211_STA_UAPSD_ENABLED = BIT(7),
IEEE80211_STA_NULLFUNC_ACKED = BIT(8),
+ IEEE80211_STA_RESET_SIGNAL_AVE = BIT(9),
};
struct ieee80211_if_managed {
@@ -359,6 +360,24 @@ struct ieee80211_if_managed {
int wmm_last_param_set;
u8 use_4addr;
+
+ /* Signal strength from the last Beacon frame in the current BSS. */
+ int last_beacon_signal;
+
+ /*
+ * Weighted average of the signal strength from Beacon frames in the
+ * current BSS. This is in units of 1/16 of the signal unit to maintain
+ * accuracy and to speed up calculations, i.e., the value need to be
+ * divided by 16 to get the actual value.
+ */
+ int ave_beacon_signal;
+
+ /*
+ * Last Beacon frame signal strength average (ave_beacon_signal / 16)
+ * that triggered a cqm event. 0 indicates that no event has been
+ * generated for the current association.
+ */
+ int last_cqm_event_signal;
};
enum ieee80211_ibss_request {
@@ -1078,8 +1097,6 @@ int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata,
enum ieee80211_smps_mode smps, const u8 *da,
const u8 *bssid);
-void ieee80211_sta_stop_rx_ba_session(struct ieee80211_sub_if_data *sdata, u8 *da,
- u16 tid, u16 initiator, u16 reason);
void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
u16 initiator, u16 reason);
void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta);
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 50c1b1ada884..011ee85bcd57 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -309,6 +309,8 @@ void ieee80211_restart_hw(struct ieee80211_hw *hw)
{
struct ieee80211_local *local = hw_to_local(hw);
+ trace_api_restart_hw(local);
+
/* use this reason, __ieee80211_resume will unblock it */
ieee80211_stop_queues_by_reason(hw,
IEEE80211_QUEUE_STOP_REASON_SUSPEND);
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 859ee5f3d941..7e93524459fc 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -601,10 +601,10 @@ static void ieee80211_mesh_rx_mgmt_action(struct ieee80211_sub_if_data *sdata,
struct ieee80211_rx_status *rx_status)
{
switch (mgmt->u.action.category) {
- case MESH_PLINK_CATEGORY:
+ case WLAN_CATEGORY_MESH_PLINK:
mesh_rx_plink_frame(sdata, mgmt, len, rx_status);
break;
- case MESH_PATH_SEL_CATEGORY:
+ case WLAN_CATEGORY_MESH_PATH_SEL:
mesh_rx_path_sel_frame(sdata, mgmt, len);
break;
}
diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h
index 85562c59d7d6..c88087f1cd0f 100644
--- a/net/mac80211/mesh.h
+++ b/net/mac80211/mesh.h
@@ -209,8 +209,6 @@ struct mesh_rmc {
#define MESH_MAX_MPATHS 1024
/* Pending ANA approval */
-#define MESH_PLINK_CATEGORY 30
-#define MESH_PATH_SEL_CATEGORY 32
#define MESH_PATH_SEL_ACTION 0
/* PERR reason codes */
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index fefc45c4b4e8..d89ed7f2592b 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -132,7 +132,7 @@ static int mesh_path_sel_frame_tx(enum mpath_frame_type action, u8 flags,
memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
/* BSSID == SA */
memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN);
- mgmt->u.action.category = MESH_PATH_SEL_CATEGORY;
+ mgmt->u.action.category = WLAN_CATEGORY_MESH_PATH_SEL;
mgmt->u.action.u.mesh_action.action_code = MESH_PATH_SEL_ACTION;
switch (action) {
@@ -225,7 +225,7 @@ int mesh_path_error_tx(u8 ttl, u8 *target, __le32 target_sn,
memcpy(mgmt->da, ra, ETH_ALEN);
memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
/* BSSID is left zeroed, wildcard value */
- mgmt->u.action.category = MESH_PATH_SEL_CATEGORY;
+ mgmt->u.action.category = WLAN_CATEGORY_MESH_PATH_SEL;
mgmt->u.action.u.mesh_action.action_code = MESH_PATH_SEL_ACTION;
ie_len = 15;
pos = skb_put(skb, 2 + ie_len);
diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c
index 7b7080e2b49f..3cd5f7b5d693 100644
--- a/net/mac80211/mesh_plink.c
+++ b/net/mac80211/mesh_plink.c
@@ -172,7 +172,7 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata,
memcpy(mgmt->da, da, ETH_ALEN);
memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
/* BSSID is left zeroed, wildcard value */
- mgmt->u.action.category = MESH_PLINK_CATEGORY;
+ mgmt->u.action.category = WLAN_CATEGORY_MESH_PLINK;
mgmt->u.action.u.plink_action.action_code = action;
if (action == PLINK_CLOSE)
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 71ff42a0465b..35d850223a75 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -47,6 +47,13 @@
*/
#define IEEE80211_PROBE_WAIT (HZ / 2)
+/*
+ * Weight given to the latest Beacon frame when calculating average signal
+ * strength for Beacon frames received in the current BSS. This must be
+ * between 1 and 15.
+ */
+#define IEEE80211_SIGNAL_AVE_WEIGHT 3
+
#define TMR_RUNNING_TIMER 0
#define TMR_RUNNING_CHANSW 1
@@ -204,7 +211,7 @@ static u32 ieee80211_enable_ht(struct ieee80211_sub_if_data *sdata,
static void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata,
const u8 *bssid, u16 stype, u16 reason,
- void *cookie)
+ void *cookie, bool send_frame)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
@@ -241,7 +248,11 @@ static void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata,
cfg80211_send_disassoc(sdata->dev, (u8 *)mgmt, skb->len);
if (!(ifmgd->flags & IEEE80211_STA_MFP_ENABLED))
IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
- ieee80211_tx_skb(sdata, skb);
+
+ if (send_frame)
+ ieee80211_tx_skb(sdata, skb);
+ else
+ kfree_skb(skb);
}
void ieee80211_send_pspoll(struct ieee80211_local *local,
@@ -590,6 +601,9 @@ static void ieee80211_sta_wmm_params(struct ieee80211_local *local,
int count;
u8 *pos, uapsd_queues = 0;
+ if (!local->ops->conf_tx)
+ return;
+
if (local->hw.queues < 4)
return;
@@ -664,11 +678,15 @@ static void ieee80211_sta_wmm_params(struct ieee80211_local *local,
params.aifs, params.cw_min, params.cw_max, params.txop,
params.uapsd);
#endif
- if (drv_conf_tx(local, queue, &params) && local->ops->conf_tx)
+ if (drv_conf_tx(local, queue, &params))
printk(KERN_DEBUG "%s: failed to set TX queue "
"parameters for queue %d\n",
wiphy_name(local->hw.wiphy), queue);
}
+
+ /* enable WMM or activate new settings */
+ local->hw.conf.flags |= IEEE80211_CONF_QOS;
+ drv_config(local, IEEE80211_CONF_CHANGE_QOS);
}
static u32 ieee80211_handle_bss_capability(struct ieee80211_sub_if_data *sdata,
@@ -729,6 +747,8 @@ 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);
+ sdata->u.mgd.flags |= IEEE80211_STA_RESET_SIGNAL_AVE;
+
/* just to be sure */
sdata->u.mgd.flags &= ~(IEEE80211_STA_CONNECTION_POLL |
IEEE80211_STA_BEACON_POLL);
@@ -770,7 +790,8 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata,
netif_carrier_on(sdata->dev);
}
-static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata)
+static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
+ bool remove_sta)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct ieee80211_local *local = sdata->local;
@@ -843,7 +864,8 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata)
changed |= BSS_CHANGED_BSSID;
ieee80211_bss_info_change_notify(sdata, changed);
- sta_info_destroy_addr(sdata, bssid);
+ if (remove_sta)
+ sta_info_destroy_addr(sdata, bssid);
}
void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata,
@@ -956,7 +978,7 @@ static void __ieee80211_connection_loss(struct ieee80211_sub_if_data *sdata)
printk(KERN_DEBUG "Connection to AP %pM lost.\n", bssid);
- ieee80211_set_disassoc(sdata);
+ ieee80211_set_disassoc(sdata, true);
ieee80211_recalc_idle(local);
mutex_unlock(&ifmgd->mtx);
/*
@@ -966,7 +988,7 @@ static void __ieee80211_connection_loss(struct ieee80211_sub_if_data *sdata)
ieee80211_send_deauth_disassoc(sdata, bssid,
IEEE80211_STYPE_DEAUTH,
WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY,
- NULL);
+ NULL, true);
}
void ieee80211_beacon_connection_loss_work(struct work_struct *work)
@@ -986,6 +1008,8 @@ void ieee80211_beacon_loss(struct ieee80211_vif *vif)
struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
struct ieee80211_hw *hw = &sdata->local->hw;
+ trace_api_beacon_loss(sdata);
+
WARN_ON(hw->flags & IEEE80211_HW_CONNECTION_MONITOR);
ieee80211_queue_work(hw, &sdata->u.mgd.beacon_connection_loss_work);
}
@@ -996,6 +1020,8 @@ void ieee80211_connection_loss(struct ieee80211_vif *vif)
struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
struct ieee80211_hw *hw = &sdata->local->hw;
+ trace_api_connection_loss(sdata);
+
WARN_ON(!(hw->flags & IEEE80211_HW_CONNECTION_MONITOR));
ieee80211_queue_work(hw, &sdata->u.mgd.beacon_connection_loss_work);
}
@@ -1022,7 +1048,7 @@ ieee80211_rx_mgmt_deauth(struct ieee80211_sub_if_data *sdata,
printk(KERN_DEBUG "%s: deauthenticated from %pM (Reason: %u)\n",
sdata->name, bssid, reason_code);
- ieee80211_set_disassoc(sdata);
+ ieee80211_set_disassoc(sdata, true);
ieee80211_recalc_idle(sdata->local);
return RX_MGMT_CFG80211_DEAUTH;
@@ -1052,7 +1078,7 @@ ieee80211_rx_mgmt_disassoc(struct ieee80211_sub_if_data *sdata,
printk(KERN_DEBUG "%s: disassociated from %pM (Reason: %u)\n",
sdata->name, mgmt->sa, reason_code);
- ieee80211_set_disassoc(sdata);
+ ieee80211_set_disassoc(sdata, true);
ieee80211_recalc_idle(sdata->local);
return RX_MGMT_CFG80211_DISASSOC;
}
@@ -1344,6 +1370,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
struct ieee80211_rx_status *rx_status)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+ struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf;
size_t baselen;
struct ieee802_11_elems elems;
struct ieee80211_local *local = sdata->local;
@@ -1379,6 +1406,41 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
if (memcmp(bssid, mgmt->bssid, ETH_ALEN) != 0)
return;
+ /* Track average RSSI from the Beacon frames of the current AP */
+ ifmgd->last_beacon_signal = rx_status->signal;
+ if (ifmgd->flags & IEEE80211_STA_RESET_SIGNAL_AVE) {
+ ifmgd->flags &= ~IEEE80211_STA_RESET_SIGNAL_AVE;
+ ifmgd->ave_beacon_signal = rx_status->signal;
+ ifmgd->last_cqm_event_signal = 0;
+ } else {
+ ifmgd->ave_beacon_signal =
+ (IEEE80211_SIGNAL_AVE_WEIGHT * rx_status->signal * 16 +
+ (16 - IEEE80211_SIGNAL_AVE_WEIGHT) *
+ ifmgd->ave_beacon_signal) / 16;
+ }
+ if (bss_conf->cqm_rssi_thold &&
+ !(local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI)) {
+ int sig = ifmgd->ave_beacon_signal / 16;
+ int last_event = ifmgd->last_cqm_event_signal;
+ int thold = bss_conf->cqm_rssi_thold;
+ int hyst = bss_conf->cqm_rssi_hyst;
+ if (sig < thold &&
+ (last_event == 0 || sig < last_event - hyst)) {
+ ifmgd->last_cqm_event_signal = sig;
+ ieee80211_cqm_rssi_notify(
+ &sdata->vif,
+ NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW,
+ GFP_KERNEL);
+ } else if (sig > thold &&
+ (last_event == 0 || sig > last_event + hyst)) {
+ ifmgd->last_cqm_event_signal = sig;
+ ieee80211_cqm_rssi_notify(
+ &sdata->vif,
+ NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH,
+ GFP_KERNEL);
+ }
+ }
+
if (ifmgd->flags & IEEE80211_STA_BEACON_POLL) {
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
if (net_ratelimit()) {
@@ -1664,7 +1726,7 @@ static void ieee80211_sta_work(struct work_struct *work)
printk(KERN_DEBUG "No probe response from AP %pM"
" after %dms, disconnecting.\n",
bssid, (1000 * IEEE80211_PROBE_WAIT)/HZ);
- ieee80211_set_disassoc(sdata);
+ ieee80211_set_disassoc(sdata, true);
ieee80211_recalc_idle(local);
mutex_unlock(&ifmgd->mtx);
/*
@@ -1674,7 +1736,7 @@ static void ieee80211_sta_work(struct work_struct *work)
ieee80211_send_deauth_disassoc(sdata, bssid,
IEEE80211_STYPE_DEAUTH,
WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY,
- NULL);
+ NULL, true);
mutex_lock(&ifmgd->mtx);
}
}
@@ -1858,6 +1920,9 @@ int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
struct ieee80211_work *wk;
u16 auth_alg;
+ if (req->local_state_change)
+ return 0; /* no need to update mac80211 state */
+
switch (req->auth_type) {
case NL80211_AUTHTYPE_OPEN_SYSTEM:
auth_alg = WLAN_AUTH_OPEN;
@@ -1966,7 +2031,7 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
}
/* Trying to reassociate - clear previous association state */
- ieee80211_set_disassoc(sdata);
+ ieee80211_set_disassoc(sdata, true);
}
mutex_unlock(&ifmgd->mtx);
@@ -2070,7 +2135,7 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
if (ifmgd->associated == req->bss) {
bssid = req->bss->bssid;
- ieee80211_set_disassoc(sdata);
+ ieee80211_set_disassoc(sdata, true);
mutex_unlock(&ifmgd->mtx);
} else {
bool not_auth_yet = false;
@@ -2113,9 +2178,9 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
printk(KERN_DEBUG "%s: deauthenticating from %pM by local choice (reason=%d)\n",
sdata->name, bssid, req->reason_code);
- ieee80211_send_deauth_disassoc(sdata, bssid,
- IEEE80211_STYPE_DEAUTH, req->reason_code,
- cookie);
+ ieee80211_send_deauth_disassoc(sdata, bssid, IEEE80211_STYPE_DEAUTH,
+ req->reason_code, cookie,
+ !req->local_state_change);
ieee80211_recalc_idle(sdata->local);
@@ -2127,6 +2192,7 @@ int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata,
void *cookie)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+ u8 bssid[ETH_ALEN];
mutex_lock(&ifmgd->mtx);
@@ -2144,13 +2210,15 @@ int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata,
printk(KERN_DEBUG "%s: disassociating from %pM by local choice (reason=%d)\n",
sdata->name, req->bss->bssid, req->reason_code);
- ieee80211_set_disassoc(sdata);
+ memcpy(bssid, req->bss->bssid, ETH_ALEN);
+ ieee80211_set_disassoc(sdata, false);
mutex_unlock(&ifmgd->mtx);
ieee80211_send_deauth_disassoc(sdata, req->bss->bssid,
IEEE80211_STYPE_DISASSOC, req->reason_code,
- cookie);
+ cookie, !req->local_state_change);
+ sta_info_destroy_addr(sdata, bssid);
ieee80211_recalc_idle(sdata->local);
@@ -2198,6 +2266,8 @@ void ieee80211_cqm_rssi_notify(struct ieee80211_vif *vif,
{
struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
+ trace_api_cqm_rssi_notify(sdata, rssi_event);
+
cfg80211_cqm_rssi_notify(sdata->dev, rssi_event, gfp);
}
EXPORT_SYMBOL(ieee80211_cqm_rssi_notify);
diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c
index 0e64484e861c..75202b295a4e 100644
--- a/net/mac80211/pm.c
+++ b/net/mac80211/pm.c
@@ -46,7 +46,7 @@ int __ieee80211_suspend(struct ieee80211_hw *hw)
if (hw->flags & IEEE80211_HW_AMPDU_AGGREGATION) {
list_for_each_entry_rcu(sta, &local->sta_list, list) {
- set_sta_flags(sta, WLAN_STA_SUSPEND);
+ set_sta_flags(sta, WLAN_STA_BLOCK_BA);
ieee80211_sta_tear_down_BA_sessions(sta);
}
}
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index e0c944fb6fc9..72efbd87c1eb 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -39,7 +39,7 @@ static struct sk_buff *remove_monitor_info(struct ieee80211_local *local,
{
if (local->hw.flags & IEEE80211_HW_RX_INCLUDES_FCS) {
if (likely(skb->len > FCS_LEN))
- skb_trim(skb, skb->len - FCS_LEN);
+ __pskb_trim(skb, skb->len - FCS_LEN);
else {
/* driver bug */
WARN_ON(1);
@@ -228,6 +228,12 @@ ieee80211_rx_monitor(struct ieee80211_local *local, struct sk_buff *origskb,
if (local->hw.flags & IEEE80211_HW_RX_INCLUDES_FCS)
present_fcs_len = FCS_LEN;
+ /* make sure hdr->frame_control is on the linear part */
+ if (!pskb_may_pull(origskb, 2)) {
+ dev_kfree_skb(origskb);
+ return NULL;
+ }
+
if (!local->monitors) {
if (should_drop_frame(origskb, present_fcs_len)) {
dev_kfree_skb(origskb);
@@ -485,7 +491,7 @@ ieee80211_rx_mesh_check(struct ieee80211_rx_data *rx)
if (ieee80211_is_action(hdr->frame_control)) {
mgmt = (struct ieee80211_mgmt *)hdr;
- if (mgmt->u.action.category != MESH_PLINK_CATEGORY)
+ if (mgmt->u.action.category != WLAN_CATEGORY_MESH_PLINK)
return RX_DROP_MONITOR;
return RX_CONTINUE;
}
@@ -715,14 +721,16 @@ static void ieee80211_rx_reorder_ampdu(struct ieee80211_rx_data *rx,
tid = *ieee80211_get_qos_ctl(hdr) & IEEE80211_QOS_CTL_TID_MASK;
- if (sta->ampdu_mlme.tid_state_rx[tid] != HT_AGG_STATE_OPERATIONAL)
- goto dont_reorder;
+ spin_lock(&sta->lock);
+
+ if (!sta->ampdu_mlme.tid_active_rx[tid])
+ goto dont_reorder_unlock;
tid_agg_rx = sta->ampdu_mlme.tid_rx[tid];
/* qos null data frames are excluded */
if (unlikely(hdr->frame_control & cpu_to_le16(IEEE80211_STYPE_NULLFUNC)))
- goto dont_reorder;
+ goto dont_reorder_unlock;
/* new, potentially un-ordered, ampdu frame - process it */
@@ -734,15 +742,20 @@ static void ieee80211_rx_reorder_ampdu(struct ieee80211_rx_data *rx,
/* if this mpdu is fragmented - terminate rx aggregation session */
sc = le16_to_cpu(hdr->seq_ctrl);
if (sc & IEEE80211_SCTL_FRAG) {
- ieee80211_sta_stop_rx_ba_session(sta->sdata, sta->sta.addr,
- tid, 0, WLAN_REASON_QSTA_REQUIRE_SETUP);
+ spin_unlock(&sta->lock);
+ __ieee80211_stop_rx_ba_session(sta, tid, WLAN_BACK_RECIPIENT,
+ WLAN_REASON_QSTA_REQUIRE_SETUP);
dev_kfree_skb(skb);
return;
}
- if (ieee80211_sta_manage_reorder_buf(hw, tid_agg_rx, skb, frames))
+ if (ieee80211_sta_manage_reorder_buf(hw, tid_agg_rx, skb, frames)) {
+ spin_unlock(&sta->lock);
return;
+ }
+ dont_reorder_unlock:
+ spin_unlock(&sta->lock);
dont_reorder:
__skb_queue_tail(frames, skb);
}
@@ -889,6 +902,7 @@ ieee80211_rx_h_decrypt(struct ieee80211_rx_data *rx)
rx->key = key;
return RX_CONTINUE;
} else {
+ u8 keyid;
/*
* The device doesn't give us the IV so we won't be
* able to look up the key. That's ok though, we
@@ -911,7 +925,8 @@ ieee80211_rx_h_decrypt(struct ieee80211_rx_data *rx)
* no need to call ieee80211_wep_get_keyidx,
* it verifies a bunch of things we've done already
*/
- keyidx = rx->skb->data[hdrlen + 3] >> 6;
+ skb_copy_bits(rx->skb, hdrlen + 3, &keyid, 1);
+ keyidx = keyid >> 6;
rx->key = rcu_dereference(rx->sdata->keys[keyidx]);
@@ -932,6 +947,11 @@ ieee80211_rx_h_decrypt(struct ieee80211_rx_data *rx)
return RX_DROP_MONITOR;
}
+ if (skb_linearize(rx->skb))
+ return RX_DROP_UNUSABLE;
+
+ hdr = (struct ieee80211_hdr *)rx->skb->data;
+
/* Check for weak IVs if possible */
if (rx->sta && rx->key->conf.alg == ALG_WEP &&
ieee80211_is_data(hdr->frame_control) &&
@@ -1232,6 +1252,9 @@ ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx)
}
I802_DEBUG_INC(rx->local->rx_handlers_fragments);
+ if (skb_linearize(rx->skb))
+ return RX_DROP_UNUSABLE;
+
seq = (sc & IEEE80211_SCTL_SEQ) >> 4;
if (frag == 0) {
@@ -1397,21 +1420,24 @@ static int
ieee80211_drop_unencrypted_mgmt(struct ieee80211_rx_data *rx)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
+ struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb);
__le16 fc = hdr->frame_control;
- int res;
- res = ieee80211_drop_unencrypted(rx, fc);
- if (unlikely(res))
- return res;
+ /*
+ * Pass through unencrypted frames if the hardware has
+ * decrypted them already.
+ */
+ if (status->flag & RX_FLAG_DECRYPTED)
+ return 0;
if (rx->sta && test_sta_flags(rx->sta, WLAN_STA_MFP)) {
- if (unlikely(ieee80211_is_unicast_robust_mgmt_frame(rx->skb) &&
+ if (unlikely(!ieee80211_has_protected(fc) &&
+ ieee80211_is_unicast_robust_mgmt_frame(rx->skb) &&
rx->key))
return -EACCES;
/* BIP does not use Protected field, so need to check MMIE */
if (unlikely(ieee80211_is_multicast_robust_mgmt_frame(rx->skb) &&
- ieee80211_get_mmie_keyidx(rx->skb) < 0 &&
- rx->key))
+ ieee80211_get_mmie_keyidx(rx->skb) < 0))
return -EACCES;
/*
* When using MFP, Action frames are not allowed prior to
@@ -1589,6 +1615,9 @@ ieee80211_rx_h_amsdu(struct ieee80211_rx_data *rx)
skb->dev = dev;
__skb_queue_head_init(&frame_list);
+ if (skb_linearize(skb))
+ return RX_DROP_UNUSABLE;
+
ieee80211_amsdu_to_8023s(skb, &frame_list, dev->dev_addr,
rx->sdata->vif.type,
rx->local->hw.extra_tx_headroom);
@@ -1787,10 +1816,12 @@ ieee80211_rx_h_ctrl(struct ieee80211_rx_data *rx, struct sk_buff_head *frames)
if (ieee80211_is_back_req(bar->frame_control)) {
if (!rx->sta)
return RX_DROP_MONITOR;
+ spin_lock(&rx->sta->lock);
tid = le16_to_cpu(bar->control) >> 12;
- if (rx->sta->ampdu_mlme.tid_state_rx[tid]
- != HT_AGG_STATE_OPERATIONAL)
+ if (!rx->sta->ampdu_mlme.tid_active_rx[tid]) {
+ spin_unlock(&rx->sta->lock);
return RX_DROP_MONITOR;
+ }
tid_agg_rx = rx->sta->ampdu_mlme.tid_rx[tid];
start_seq_num = le16_to_cpu(bar->start_seq_num) >> 4;
@@ -1804,6 +1835,7 @@ ieee80211_rx_h_ctrl(struct ieee80211_rx_data *rx, struct sk_buff_head *frames)
ieee80211_release_reorder_frames(hw, tid_agg_rx, start_seq_num,
frames);
kfree_skb(skb);
+ spin_unlock(&rx->sta->lock);
return RX_QUEUED;
}
@@ -1965,8 +1997,8 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
goto handled;
}
break;
- case MESH_PLINK_CATEGORY:
- case MESH_PATH_SEL_CATEGORY:
+ case WLAN_CATEGORY_MESH_PLINK:
+ case WLAN_CATEGORY_MESH_PATH_SEL:
if (ieee80211_vif_is_mesh(&sdata->vif))
return ieee80211_mesh_rx_mgmt(sdata, rx->skb);
break;
@@ -2363,29 +2395,42 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw,
struct ieee80211_local *local = hw_to_local(hw);
struct ieee80211_sub_if_data *sdata;
struct ieee80211_hdr *hdr;
+ __le16 fc;
struct ieee80211_rx_data rx;
int prepares;
struct ieee80211_sub_if_data *prev = NULL;
struct sk_buff *skb_new;
struct sta_info *sta, *tmp;
bool found_sta = false;
+ int err = 0;
- hdr = (struct ieee80211_hdr *)skb->data;
+ fc = ((struct ieee80211_hdr *)skb->data)->frame_control;
memset(&rx, 0, sizeof(rx));
rx.skb = skb;
rx.local = local;
- if (ieee80211_is_data(hdr->frame_control) || ieee80211_is_mgmt(hdr->frame_control))
+ if (ieee80211_is_data(fc) || ieee80211_is_mgmt(fc))
local->dot11ReceivedFragmentCount++;
if (unlikely(test_bit(SCAN_HW_SCANNING, &local->scanning) ||
test_bit(SCAN_OFF_CHANNEL, &local->scanning)))
rx.flags |= IEEE80211_RX_IN_SCAN;
+ if (ieee80211_is_mgmt(fc))
+ err = skb_linearize(skb);
+ else
+ err = !pskb_may_pull(skb, ieee80211_hdrlen(fc));
+
+ if (err) {
+ dev_kfree_skb(skb);
+ return;
+ }
+
+ hdr = (struct ieee80211_hdr *)skb->data;
ieee80211_parse_qos(&rx);
ieee80211_verify_alignment(&rx);
- if (ieee80211_is_data(hdr->frame_control)) {
+ if (ieee80211_is_data(fc)) {
for_each_sta_info(local, hdr->addr2, sta, tmp) {
rx.sta = sta;
found_sta = true;
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index 1ce4ce8af80f..e1a3defdf581 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -248,6 +248,8 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
struct ieee80211_local *local = hw_to_local(hw);
bool was_hw_scan;
+ trace_api_scan_completed(local, aborted);
+
mutex_lock(&local->scan_mtx);
/*
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index fb12cec4d333..ff0eb948917b 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -250,9 +250,6 @@ struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata,
* enable session_timer's data differentiation. refer to
* sta_rx_agg_session_timer_expired for useage */
sta->timer_to_tid[i] = i;
- /* rx */
- sta->ampdu_mlme.tid_state_rx[i] = HT_AGG_STATE_IDLE;
- sta->ampdu_mlme.tid_rx[i] = NULL;
/* tx */
sta->ampdu_mlme.tid_state_tx[i] = HT_AGG_STATE_IDLE;
sta->ampdu_mlme.tid_tx[i] = NULL;
@@ -619,7 +616,7 @@ static int __must_check __sta_info_destroy(struct sta_info *sta)
struct ieee80211_sub_if_data *sdata;
struct sk_buff *skb;
unsigned long flags;
- int ret, i;
+ int ret;
might_sleep();
@@ -629,6 +626,15 @@ static int __must_check __sta_info_destroy(struct sta_info *sta)
local = sta->local;
sdata = sta->sdata;
+ /*
+ * Before removing the station from the driver and
+ * rate control, it might still start new aggregation
+ * sessions -- block that to make sure the tear-down
+ * will be sufficient.
+ */
+ set_sta_flags(sta, WLAN_STA_BLOCK_BA);
+ ieee80211_sta_tear_down_BA_sessions(sta);
+
spin_lock_irqsave(&local->sta_lock, flags);
ret = sta_info_hash_del(local, sta);
/* this might still be the pending list ... which is fine */
@@ -645,9 +651,6 @@ static int __must_check __sta_info_destroy(struct sta_info *sta)
* may mean it is removed from hardware which requires that
* the key->sta pointer is still valid, so flush the key todo
* list here.
- *
- * ieee80211_key_todo() will synchronize_rcu() so after this
- * nothing can reference this sta struct any more.
*/
ieee80211_key_todo();
@@ -679,11 +682,17 @@ static int __must_check __sta_info_destroy(struct sta_info *sta)
sdata = sta->sdata;
}
+ /*
+ * At this point, after we wait for an RCU grace period,
+ * neither mac80211 nor the driver can reference this
+ * sta struct any more except by still existing timers
+ * associated with this station that we clean up below.
+ */
+ synchronize_rcu();
+
#ifdef CONFIG_MAC80211_MESH
- if (ieee80211_vif_is_mesh(&sdata->vif)) {
+ if (ieee80211_vif_is_mesh(&sdata->vif))
mesh_accept_plinks_update(sdata);
- del_timer(&sta->plink_timer);
- }
#endif
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
@@ -710,50 +719,6 @@ static int __must_check __sta_info_destroy(struct sta_info *sta)
while ((skb = skb_dequeue(&sta->tx_filtered)) != NULL)
dev_kfree_skb_any(skb);
- for (i = 0; i < STA_TID_NUM; i++) {
- struct tid_ampdu_rx *tid_rx;
- struct tid_ampdu_tx *tid_tx;
-
- spin_lock_bh(&sta->lock);
- tid_rx = sta->ampdu_mlme.tid_rx[i];
- /* Make sure timer won't free the tid_rx struct, see below */
- if (tid_rx)
- tid_rx->shutdown = true;
-
- spin_unlock_bh(&sta->lock);
-
- /*
- * Outside spinlock - shutdown is true now so that the timer
- * won't free tid_rx, we have to do that now. Can't let the
- * timer do it because we have to sync the timer outside the
- * lock that it takes itself.
- */
- if (tid_rx) {
- del_timer_sync(&tid_rx->session_timer);
- kfree(tid_rx);
- }
-
- /*
- * No need to do such complications for TX agg sessions, the
- * path leading to freeing the tid_tx struct goes via a call
- * from the driver, and thus needs to look up the sta struct
- * again, which cannot be found when we get here. Hence, we
- * just need to delete the timer and free the aggregation
- * info; we won't be telling the peer about it then but that
- * doesn't matter if we're not talking to it again anyway.
- */
- tid_tx = sta->ampdu_mlme.tid_tx[i];
- if (tid_tx) {
- del_timer_sync(&tid_tx->addba_resp_timer);
- /*
- * STA removed while aggregation session being
- * started? Bit odd, but purge frames anyway.
- */
- skb_queue_purge(&tid_tx->pending);
- kfree(tid_tx);
- }
- }
-
__sta_info_free(local, sta);
return 0;
@@ -992,6 +957,8 @@ void ieee80211_sta_block_awake(struct ieee80211_hw *hw,
{
struct sta_info *sta = container_of(pubsta, struct sta_info, sta);
+ trace_api_sta_block_awake(sta->local, pubsta, block);
+
if (block)
set_sta_flags(sta, WLAN_STA_PS_DRIVER);
else
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index 2b635909de5c..48a5e80957f0 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -35,8 +35,8 @@
* IEEE80211_TX_CTL_CLEAR_PS_FILT control flag) when the next
* frame to this station is transmitted.
* @WLAN_STA_MFP: Management frame protection is used with this STA.
- * @WLAN_STA_SUSPEND: Set/cleared during a suspend/resume cycle.
- * Used to deny ADDBA requests (both TX and RX).
+ * @WLAN_STA_BLOCK_BA: Used to deny ADDBA requests (both TX and RX)
+ * during suspend/resume and station removal.
* @WLAN_STA_PS_DRIVER: driver requires keeping this station in
* power-save mode logically to flush frames that might still
* be in the queues
@@ -57,7 +57,7 @@ enum ieee80211_sta_info_flags {
WLAN_STA_WDS = 1<<7,
WLAN_STA_CLEAR_PS_FILT = 1<<9,
WLAN_STA_MFP = 1<<10,
- WLAN_STA_SUSPEND = 1<<11,
+ WLAN_STA_BLOCK_BA = 1<<11,
WLAN_STA_PS_DRIVER = 1<<12,
WLAN_STA_PSPOLL = 1<<13,
WLAN_STA_DISASSOC = 1<<14,
@@ -106,7 +106,6 @@ struct tid_ampdu_tx {
* @buf_size: buffer size for incoming A-MPDUs
* @timeout: reset timer value (in TUs).
* @dialog_token: dialog token for aggregation session
- * @shutdown: this session is being shut down due to STA removal
*/
struct tid_ampdu_rx {
struct sk_buff **reorder_buf;
@@ -118,7 +117,6 @@ struct tid_ampdu_rx {
u16 buf_size;
u16 timeout;
u8 dialog_token;
- bool shutdown;
};
/**
@@ -156,7 +154,7 @@ enum plink_state {
*/
struct sta_ampdu_mlme {
/* rx */
- u8 tid_state_rx[STA_TID_NUM];
+ bool tid_active_rx[STA_TID_NUM];
struct tid_ampdu_rx *tid_rx[STA_TID_NUM];
/* tx */
u8 tid_state_tx[STA_TID_NUM];
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index db25fa9ef135..2cb77267f733 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -513,6 +513,8 @@ ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx)
else if (tx->sta && (key = rcu_dereference(tx->sta->key)))
tx->key = key;
else if (ieee80211_is_mgmt(hdr->frame_control) &&
+ is_multicast_ether_addr(hdr->addr1) &&
+ ieee80211_is_robust_mgmt_frame(hdr) &&
(key = rcu_dereference(tx->sdata->default_mgmt_key)))
tx->key = key;
else if ((key = rcu_dereference(tx->sdata->default_key)))
@@ -1142,13 +1144,12 @@ ieee80211_tx_prepare(struct ieee80211_sub_if_data *sdata,
if (tx->sta && ieee80211_is_data_qos(hdr->frame_control) &&
(local->hw.flags & IEEE80211_HW_AMPDU_AGGREGATION)) {
- unsigned long flags;
struct tid_ampdu_tx *tid_tx;
qc = ieee80211_get_qos_ctl(hdr);
tid = *qc & IEEE80211_QOS_CTL_TID_MASK;
- spin_lock_irqsave(&tx->sta->lock, flags);
+ spin_lock(&tx->sta->lock);
/*
* XXX: This spinlock could be fairly expensive, but see the
* comment in agg-tx.c:ieee80211_agg_tx_operational().
@@ -1173,7 +1174,7 @@ ieee80211_tx_prepare(struct ieee80211_sub_if_data *sdata,
info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING;
__skb_queue_tail(&tid_tx->pending, skb);
}
- spin_unlock_irqrestore(&tx->sta->lock, flags);
+ spin_unlock(&tx->sta->lock);
if (unlikely(queued))
return TX_QUEUED;
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 53af57047435..2b75b4fb68f4 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -270,6 +270,8 @@ static void __ieee80211_wake_queue(struct ieee80211_hw *hw, int queue,
struct ieee80211_local *local = hw_to_local(hw);
struct ieee80211_sub_if_data *sdata;
+ trace_wake_queue(local, queue, reason);
+
if (WARN_ON(queue >= hw->queues))
return;
@@ -312,6 +314,8 @@ static void __ieee80211_stop_queue(struct ieee80211_hw *hw, int queue,
struct ieee80211_local *local = hw_to_local(hw);
struct ieee80211_sub_if_data *sdata;
+ trace_stop_queue(local, queue, reason);
+
if (WARN_ON(queue >= hw->queues))
return;
@@ -796,6 +800,11 @@ void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata)
drv_conf_tx(local, queue, &qparam);
}
+
+ /* after reinitialize QoS TX queues setting to default,
+ * disable QoS at all */
+ local->hw.conf.flags &= ~IEEE80211_CONF_QOS;
+ drv_config(local, IEEE80211_CONF_CHANGE_QOS);
}
void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata,
@@ -1135,7 +1144,7 @@ int ieee80211_reconfig(struct ieee80211_local *local)
if (hw->flags & IEEE80211_HW_AMPDU_AGGREGATION) {
list_for_each_entry_rcu(sta, &local->sta_list, list) {
- clear_sta_flags(sta, WLAN_STA_SUSPEND);
+ clear_sta_flags(sta, WLAN_STA_BLOCK_BA);
}
}
diff --git a/net/mac80211/work.c b/net/mac80211/work.c
index 15e1ba931b87..bdb1d05b16fc 100644
--- a/net/mac80211/work.c
+++ b/net/mac80211/work.c
@@ -920,11 +920,16 @@ static void ieee80211_work_work(struct work_struct *work)
run_again(local, jiffies + HZ/2);
}
- if (list_empty(&local->work_list) && local->scan_req)
+ mutex_lock(&local->scan_mtx);
+
+ if (list_empty(&local->work_list) && local->scan_req &&
+ !local->scanning)
ieee80211_queue_delayed_work(&local->hw,
&local->scan_work,
round_jiffies_relative(0));
+ mutex_unlock(&local->scan_mtx);
+
mutex_unlock(&local->work_mtx);
ieee80211_recalc_idle(local);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-26 09:08:50 +0000