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authorJohannes Berg <johannes.berg@intel.com>2012-07-30 09:13:03 +0200
committerJohannes Berg <johannes.berg@intel.com>2012-07-30 09:13:03 +0200
commitfcb06702f023a0e7b1e6ebf9746f34b610ca0508 (patch)
treedb022324c4978dd9af059be38822d23455a45f55 /net/mac80211
parent5e31fc0815a4e2c72b1b495fe7a0d8f9bfb9e4b4 (diff)
parent9dbf5f55f8d35ff9aedc75267f4e4042aaf89755 (diff)
downloadop-kernel-dev-fcb06702f023a0e7b1e6ebf9746f34b610ca0508.zip
op-kernel-dev-fcb06702f023a0e7b1e6ebf9746f34b610ca0508.tar.gz
Merge remote-tracking branch 'wireless/master' into mac80211
Diffstat (limited to 'net/mac80211')
-rw-r--r--net/mac80211/Kconfig56
-rw-r--r--net/mac80211/Makefile7
-rw-r--r--net/mac80211/agg-rx.c38
-rw-r--r--net/mac80211/agg-tx.c118
-rw-r--r--net/mac80211/cfg.c734
-rw-r--r--net/mac80211/chan.c4
-rw-r--r--net/mac80211/debug.h170
-rw-r--r--net/mac80211/debugfs.c2
-rw-r--r--net/mac80211/debugfs_key.c16
-rw-r--r--net/mac80211/debugfs_netdev.c49
-rw-r--r--net/mac80211/driver-ops.h39
-rw-r--r--net/mac80211/driver-trace.c9
-rw-r--r--net/mac80211/ht.c10
-rw-r--r--net/mac80211/ibss.c127
-rw-r--r--net/mac80211/ieee80211_i.h139
-rw-r--r--net/mac80211/iface.c325
-rw-r--r--net/mac80211/key.c24
-rw-r--r--net/mac80211/main.c48
-rw-r--r--net/mac80211/mesh.c19
-rw-r--r--net/mac80211/mesh.h4
-rw-r--r--net/mac80211/mesh_hwmp.c173
-rw-r--r--net/mac80211/mesh_pathtbl.c34
-rw-r--r--net/mac80211/mesh_plink.c70
-rw-r--r--net/mac80211/mesh_sync.c47
-rw-r--r--net/mac80211/mlme.c382
-rw-r--r--net/mac80211/offchannel.c291
-rw-r--r--net/mac80211/pm.c11
-rw-r--r--net/mac80211/rc80211_minstrel_ht.c8
-rw-r--r--net/mac80211/rx.c130
-rw-r--r--net/mac80211/scan.c123
-rw-r--r--net/mac80211/sta_info.c45
-rw-r--r--net/mac80211/status.c48
-rw-r--r--net/mac80211/tkip.c46
-rw-r--r--net/mac80211/trace.c75
-rw-r--r--net/mac80211/trace.h (renamed from net/mac80211/driver-trace.h)80
-rw-r--r--net/mac80211/tx.c90
-rw-r--r--net/mac80211/util.c178
-rw-r--r--net/mac80211/wme.c11
-rw-r--r--net/mac80211/wme.h2
-rw-r--r--net/mac80211/work.c370
40 files changed, 2150 insertions, 2002 deletions
diff --git a/net/mac80211/Kconfig b/net/mac80211/Kconfig
index 8d249d7..63af254 100644
--- a/net/mac80211/Kconfig
+++ b/net/mac80211/Kconfig
@@ -107,6 +107,19 @@ config MAC80211_DEBUGFS
Say N unless you know you need this.
+config MAC80211_MESSAGE_TRACING
+ bool "Trace all mac80211 debug messages"
+ depends on MAC80211
+ ---help---
+ Select this option to have mac80211 register the
+ mac80211_msg trace subsystem with tracepoints to
+ collect all debugging messages, independent of
+ printing them into the kernel log.
+
+ The overhead in this option is that all the messages
+ need to be present in the binary and formatted at
+ runtime for tracing.
+
menuconfig MAC80211_DEBUG_MENU
bool "Select mac80211 debugging features"
depends on MAC80211
@@ -140,26 +153,35 @@ config MAC80211_VERBOSE_DEBUG
Do not select this option.
-config MAC80211_HT_DEBUG
- bool "Verbose HT debugging"
+config MAC80211_MLME_DEBUG
+ bool "Verbose managed MLME output"
depends on MAC80211_DEBUG_MENU
---help---
- This option enables 802.11n High Throughput features
- debug tracing output.
-
- It should not be selected on production systems as some
+ Selecting this option causes mac80211 to print out
+ debugging messages for the managed-mode MLME. It
+ should not be selected on production systems as some
of the messages are remotely triggerable.
Do not select this option.
-config MAC80211_TKIP_DEBUG
- bool "Verbose TKIP debugging"
+config MAC80211_STA_DEBUG
+ bool "Verbose station debugging"
depends on MAC80211_DEBUG_MENU
---help---
Selecting this option causes mac80211 to print out
- very verbose TKIP debugging messages. It should not
- be selected on production systems as those messages
- are remotely triggerable.
+ debugging messages for station addition/removal.
+
+ Do not select this option.
+
+config MAC80211_HT_DEBUG
+ bool "Verbose HT debugging"
+ depends on MAC80211_DEBUG_MENU
+ ---help---
+ This option enables 802.11n High Throughput features
+ debug tracing output.
+
+ It should not be selected on production systems as some
+ of the messages are remotely triggerable.
Do not select this option.
@@ -174,7 +196,7 @@ config MAC80211_IBSS_DEBUG
Do not select this option.
-config MAC80211_VERBOSE_PS_DEBUG
+config MAC80211_PS_DEBUG
bool "Verbose powersave mode debugging"
depends on MAC80211_DEBUG_MENU
---help---
@@ -186,7 +208,7 @@ config MAC80211_VERBOSE_PS_DEBUG
Do not select this option.
-config MAC80211_VERBOSE_MPL_DEBUG
+config MAC80211_MPL_DEBUG
bool "Verbose mesh peer link debugging"
depends on MAC80211_DEBUG_MENU
depends on MAC80211_MESH
@@ -199,7 +221,7 @@ config MAC80211_VERBOSE_MPL_DEBUG
Do not select this option.
-config MAC80211_VERBOSE_MPATH_DEBUG
+config MAC80211_MPATH_DEBUG
bool "Verbose mesh path debugging"
depends on MAC80211_DEBUG_MENU
depends on MAC80211_MESH
@@ -212,7 +234,7 @@ config MAC80211_VERBOSE_MPATH_DEBUG
Do not select this option.
-config MAC80211_VERBOSE_MHWMP_DEBUG
+config MAC80211_MHWMP_DEBUG
bool "Verbose mesh HWMP routing debugging"
depends on MAC80211_DEBUG_MENU
depends on MAC80211_MESH
@@ -225,7 +247,7 @@ config MAC80211_VERBOSE_MHWMP_DEBUG
Do not select this option.
-config MAC80211_VERBOSE_MESH_SYNC_DEBUG
+config MAC80211_MESH_SYNC_DEBUG
bool "Verbose mesh mesh synchronization debugging"
depends on MAC80211_DEBUG_MENU
depends on MAC80211_MESH
@@ -236,7 +258,7 @@ config MAC80211_VERBOSE_MESH_SYNC_DEBUG
Do not select this option.
-config MAC80211_VERBOSE_TDLS_DEBUG
+config MAC80211_TDLS_DEBUG
bool "Verbose TDLS debugging"
depends on MAC80211_DEBUG_MENU
---help---
diff --git a/net/mac80211/Makefile b/net/mac80211/Makefile
index 3e9d931..a7dd110 100644
--- a/net/mac80211/Makefile
+++ b/net/mac80211/Makefile
@@ -9,7 +9,6 @@ mac80211-y := \
scan.o offchannel.o \
ht.o agg-tx.o agg-rx.o \
ibss.o \
- work.o \
iface.o \
rate.o \
michael.o \
@@ -25,7 +24,7 @@ mac80211-y := \
wme.o \
event.o \
chan.o \
- driver-trace.o mlme.o
+ trace.o mlme.o
mac80211-$(CONFIG_MAC80211_LEDS) += led.o
mac80211-$(CONFIG_MAC80211_DEBUGFS) += \
@@ -43,7 +42,7 @@ mac80211-$(CONFIG_MAC80211_MESH) += \
mac80211-$(CONFIG_PM) += pm.o
-CFLAGS_driver-trace.o := -I$(src)
+CFLAGS_trace.o := -I$(src)
# objects for PID algorithm
rc80211_pid-y := rc80211_pid_algo.o
@@ -59,4 +58,4 @@ mac80211-$(CONFIG_MAC80211_RC_PID) += $(rc80211_pid-y)
mac80211-$(CONFIG_MAC80211_RC_MINSTREL) += $(rc80211_minstrel-y)
mac80211-$(CONFIG_MAC80211_RC_MINSTREL_HT) += $(rc80211_minstrel_ht-y)
-ccflags-y += -D__CHECK_ENDIAN__
+ccflags-y += -D__CHECK_ENDIAN__ -DDEBUG
diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c
index c649188..186d991 100644
--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -74,18 +74,17 @@ void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
RCU_INIT_POINTER(sta->ampdu_mlme.tid_rx[tid], NULL);
-#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG
+ ht_dbg(sta->sdata,
"Rx BA session stop requested for %pM tid %u %s reason: %d\n",
sta->sta.addr, tid,
initiator == WLAN_BACK_RECIPIENT ? "recipient" : "inititator",
(int)reason);
-#endif /* CONFIG_MAC80211_HT_DEBUG */
if (drv_ampdu_action(local, sta->sdata, IEEE80211_AMPDU_RX_STOP,
&sta->sta, tid, NULL, 0))
- printk(KERN_DEBUG "HW problem - can not stop rx "
- "aggregation for tid %d\n", tid);
+ sdata_info(sta->sdata,
+ "HW problem - can not stop rx aggregation for tid %d\n",
+ tid);
/* check if this is a self generated aggregation halt */
if (initiator == WLAN_BACK_RECIPIENT && tx)
@@ -160,9 +159,8 @@ static void sta_rx_agg_session_timer_expired(unsigned long data)
}
rcu_read_unlock();
-#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "rx session timer expired on tid %d\n", (u16)*ptid);
-#endif
+ ht_dbg(sta->sdata, "rx session timer expired on tid %d\n", (u16)*ptid);
+
set_bit(*ptid, sta->ampdu_mlme.tid_rx_timer_expired);
ieee80211_queue_work(&sta->local->hw, &sta->ampdu_mlme.work);
}
@@ -249,10 +247,7 @@ void ieee80211_process_addba_request(struct ieee80211_local *local,
status = WLAN_STATUS_REQUEST_DECLINED;
if (test_sta_flag(sta, WLAN_STA_BLOCK_BA)) {
-#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "Suspend in progress. "
- "Denying ADDBA request\n");
-#endif
+ ht_dbg(sta->sdata, "Suspend in progress - Denying ADDBA request\n");
goto end_no_lock;
}
@@ -264,10 +259,9 @@ void ieee80211_process_addba_request(struct ieee80211_local *local,
(!(sta->sta.ht_cap.cap & IEEE80211_HT_CAP_DELAY_BA))) ||
(buf_size > IEEE80211_MAX_AMPDU_BUF)) {
status = WLAN_STATUS_INVALID_QOS_PARAM;
-#ifdef CONFIG_MAC80211_HT_DEBUG
- net_dbg_ratelimited("AddBA Req with bad params from %pM on tid %u. policy %d, buffer size %d\n",
- mgmt->sa, tid, ba_policy, buf_size);
-#endif /* CONFIG_MAC80211_HT_DEBUG */
+ ht_dbg_ratelimited(sta->sdata,
+ "AddBA Req with bad params from %pM on tid %u. policy %d, buffer size %d\n",
+ mgmt->sa, tid, ba_policy, buf_size);
goto end_no_lock;
}
/* determine default buffer size */
@@ -282,10 +276,9 @@ void ieee80211_process_addba_request(struct ieee80211_local *local,
mutex_lock(&sta->ampdu_mlme.mtx);
if (sta->ampdu_mlme.tid_rx[tid]) {
-#ifdef CONFIG_MAC80211_HT_DEBUG
- net_dbg_ratelimited("unexpected AddBA Req from %pM on tid %u\n",
- mgmt->sa, tid);
-#endif /* CONFIG_MAC80211_HT_DEBUG */
+ ht_dbg_ratelimited(sta->sdata,
+ "unexpected AddBA Req from %pM on tid %u\n",
+ mgmt->sa, tid);
/* delete existing Rx BA session on the same tid */
___ieee80211_stop_rx_ba_session(sta, tid, WLAN_BACK_RECIPIENT,
@@ -324,10 +317,7 @@ void ieee80211_process_addba_request(struct ieee80211_local *local,
ret = drv_ampdu_action(local, sta->sdata, IEEE80211_AMPDU_RX_START,
&sta->sta, tid, &start_seq_num, 0);
-#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "Rx A-MPDU request on tid %d result %d\n", tid, ret);
-#endif /* CONFIG_MAC80211_HT_DEBUG */
-
+ ht_dbg(sta->sdata, "Rx A-MPDU request on tid %d result %d\n", tid, ret);
if (ret) {
kfree(tid_agg_rx->reorder_buf);
kfree(tid_agg_rx->reorder_time);
diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c
index 7cf0715..d0deb3e 100644
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -135,7 +135,8 @@ void ieee80211_send_bar(struct ieee80211_vif *vif, u8 *ra, u16 tid, u16 ssn)
bar->control = cpu_to_le16(bar_control);
bar->start_seq_num = cpu_to_le16(ssn);
- IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
+ IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT |
+ IEEE80211_TX_CTL_REQ_TX_STATUS;
ieee80211_tx_skb_tid(sdata, skb, tid);
}
EXPORT_SYMBOL(ieee80211_send_bar);
@@ -184,10 +185,8 @@ int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
spin_unlock_bh(&sta->lock);
-#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "Tx BA session stop requested for %pM tid %u\n",
+ ht_dbg(sta->sdata, "Tx BA session stop requested for %pM tid %u\n",
sta->sta.addr, tid);
-#endif /* CONFIG_MAC80211_HT_DEBUG */
del_timer_sync(&tid_tx->addba_resp_timer);
del_timer_sync(&tid_tx->session_timer);
@@ -253,17 +252,13 @@ static void sta_addba_resp_timer_expired(unsigned long data)
if (!tid_tx ||
test_bit(HT_AGG_STATE_RESPONSE_RECEIVED, &tid_tx->state)) {
rcu_read_unlock();
-#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "timer expired on tid %d but we are not "
- "(or no longer) expecting addBA response there\n",
- tid);
-#endif
+ ht_dbg(sta->sdata,
+ "timer expired on tid %d but we are not (or no longer) expecting addBA response there\n",
+ tid);
return;
}
-#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "addBA response timer expired on tid %d\n", tid);
-#endif
+ ht_dbg(sta->sdata, "addBA response timer expired on tid %d\n", tid);
ieee80211_stop_tx_ba_session(&sta->sta, tid);
rcu_read_unlock();
@@ -323,8 +318,9 @@ ieee80211_agg_splice_packets(struct ieee80211_sub_if_data *sdata,
ieee80211_stop_queue_agg(sdata, tid);
- if (WARN(!tid_tx, "TID %d gone but expected when splicing aggregates"
- " from the pending queue\n", tid))
+ if (WARN(!tid_tx,
+ "TID %d gone but expected when splicing aggregates from the pending queue\n",
+ tid))
return;
if (!skb_queue_empty(&tid_tx->pending)) {
@@ -372,10 +368,8 @@ void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid)
ret = drv_ampdu_action(local, sdata, IEEE80211_AMPDU_TX_START,
&sta->sta, tid, &start_seq_num, 0);
if (ret) {
-#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "BA request denied - HW unavailable for"
- " tid %d\n", tid);
-#endif
+ ht_dbg(sdata,
+ "BA request denied - HW unavailable for tid %d\n", tid);
spin_lock_bh(&sta->lock);
ieee80211_agg_splice_packets(sdata, tid_tx, tid);
ieee80211_assign_tid_tx(sta, tid, NULL);
@@ -388,9 +382,7 @@ void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid)
/* activate the timer for the recipient's addBA response */
mod_timer(&tid_tx->addba_resp_timer, jiffies + ADDBA_RESP_INTERVAL);
-#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "activated addBA response timer on tid %d\n", tid);
-#endif
+ ht_dbg(sdata, "activated addBA response timer on tid %d\n", tid);
spin_lock_bh(&sta->lock);
sta->ampdu_mlme.last_addba_req_time[tid] = jiffies;
@@ -437,9 +429,7 @@ static void sta_tx_agg_session_timer_expired(unsigned long data)
rcu_read_unlock();
-#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "tx session timer expired on tid %d\n", (u16)*ptid);
-#endif
+ ht_dbg(sta->sdata, "tx session timer expired on tid %d\n", (u16)*ptid);
ieee80211_stop_tx_ba_session(&sta->sta, *ptid);
}
@@ -463,10 +453,8 @@ int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid,
(local->hw.flags & IEEE80211_HW_TX_AMPDU_SETUP_IN_HW))
return -EINVAL;
-#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "Open BA session requested for %pM tid %u\n",
+ ht_dbg(sdata, "Open BA session requested for %pM tid %u\n",
pubsta->addr, tid);
-#endif /* CONFIG_MAC80211_HT_DEBUG */
if (sdata->vif.type != NL80211_IFTYPE_STATION &&
sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
@@ -476,10 +464,8 @@ int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid,
return -EINVAL;
if (test_sta_flag(sta, WLAN_STA_BLOCK_BA)) {
-#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "BA sessions blocked. "
- "Denying BA session request\n");
-#endif
+ ht_dbg(sdata,
+ "BA sessions blocked - Denying BA session request\n");
return -EINVAL;
}
@@ -497,10 +483,9 @@ int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid,
*/
if (sta->sdata->vif.type == NL80211_IFTYPE_ADHOC &&
!sta->sta.ht_cap.ht_supported) {
-#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "BA request denied - IBSS STA %pM"
- "does not advertise HT support\n", pubsta->addr);
-#endif /* CONFIG_MAC80211_HT_DEBUG */
+ ht_dbg(sdata,
+ "BA request denied - IBSS STA %pM does not advertise HT support\n",
+ pubsta->addr);
return -EINVAL;
}
@@ -520,12 +505,9 @@ int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid,
if (sta->ampdu_mlme.addba_req_num[tid] > HT_AGG_BURST_RETRIES &&
time_before(jiffies, sta->ampdu_mlme.last_addba_req_time[tid] +
HT_AGG_RETRIES_PERIOD)) {
-#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "BA request denied - "
- "waiting a grace period after %d failed requests "
- "on tid %u\n",
+ ht_dbg(sdata,
+ "BA request denied - waiting a grace period after %d failed requests on tid %u\n",
sta->ampdu_mlme.addba_req_num[tid], tid);
-#endif /* CONFIG_MAC80211_HT_DEBUG */
ret = -EBUSY;
goto err_unlock_sta;
}
@@ -533,10 +515,9 @@ int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid,
tid_tx = rcu_dereference_protected_tid_tx(sta, tid);
/* check if the TID is not in aggregation flow already */
if (tid_tx || sta->ampdu_mlme.tid_start_tx[tid]) {
-#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "BA request denied - session is not "
- "idle on tid %u\n", tid);
-#endif /* CONFIG_MAC80211_HT_DEBUG */
+ ht_dbg(sdata,
+ "BA request denied - session is not idle on tid %u\n",
+ tid);
ret = -EAGAIN;
goto err_unlock_sta;
}
@@ -591,9 +572,7 @@ static void ieee80211_agg_tx_operational(struct ieee80211_local *local,
tid_tx = rcu_dereference_protected_tid_tx(sta, tid);
-#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "Aggregation is on for tid %d\n", tid);
-#endif
+ ht_dbg(sta->sdata, "Aggregation is on for tid %d\n", tid);
drv_ampdu_action(local, sta->sdata,
IEEE80211_AMPDU_TX_OPERATIONAL,
@@ -627,10 +606,8 @@ void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid)
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",
- tid, STA_TID_NUM);
-#endif
+ ht_dbg(sdata, "Bad TID value: tid = %d (>= %d)\n",
+ tid, STA_TID_NUM);
return;
}
@@ -638,9 +615,7 @@ void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid)
sta = sta_info_get_bss(sdata, ra);
if (!sta) {
mutex_unlock(&local->sta_mtx);
-#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "Could not find station: %pM\n", ra);
-#endif
+ ht_dbg(sdata, "Could not find station: %pM\n", ra);
return;
}
@@ -648,9 +623,7 @@ void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid)
tid_tx = rcu_dereference_protected_tid_tx(sta, tid);
if (WARN_ON(!tid_tx)) {
-#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "addBA was not requested!\n");
-#endif
+ ht_dbg(sdata, "addBA was not requested!\n");
goto unlock;
}
@@ -750,25 +723,18 @@ void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid)
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",
- tid, STA_TID_NUM);
-#endif
+ ht_dbg(sdata, "Bad TID value: tid = %d (>= %d)\n",
+ tid, STA_TID_NUM);
return;
}
-#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "Stopping Tx BA session for %pM tid %d\n",
- ra, tid);
-#endif /* CONFIG_MAC80211_HT_DEBUG */
+ ht_dbg(sdata, "Stopping Tx BA session for %pM tid %d\n", ra, tid);
mutex_lock(&local->sta_mtx);
sta = sta_info_get_bss(sdata, ra);
if (!sta) {
-#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "Could not find station: %pM\n", ra);
-#endif
+ ht_dbg(sdata, "Could not find station: %pM\n", ra);
goto unlock;
}
@@ -777,9 +743,7 @@ void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid)
tid_tx = rcu_dereference_protected_tid_tx(sta, tid);
if (!tid_tx || !test_bit(HT_AGG_STATE_STOPPING, &tid_tx->state)) {
-#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "unexpected callback to A-MPDU stop\n");
-#endif
+ ht_dbg(sdata, "unexpected callback to A-MPDU stop\n");
goto unlock_sta;
}
@@ -855,17 +819,13 @@ void ieee80211_process_addba_resp(struct ieee80211_local *local,
goto out;
if (mgmt->u.action.u.addba_resp.dialog_token != tid_tx->dialog_token) {
-#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "wrong addBA response token, tid %d\n", tid);
-#endif
+ ht_dbg(sta->sdata, "wrong addBA response token, tid %d\n", tid);
goto out;
}
del_timer_sync(&tid_tx->addba_resp_timer);
-#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "switched off addBA timer for tid %d\n", tid);
-#endif
+ ht_dbg(sta->sdata, "switched off addBA timer for tid %d\n", tid);
/*
* addba_resp_timer may have fired before we got here, and
@@ -874,11 +834,9 @@ void ieee80211_process_addba_resp(struct ieee80211_local *local,
*/
if (test_bit(HT_AGG_STATE_WANT_STOP, &tid_tx->state) ||
test_bit(HT_AGG_STATE_STOPPING, &tid_tx->state)) {
-#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG
+ ht_dbg(sta->sdata,
"got addBA resp for tid %d but we already gave up\n",
tid);
-#endif
goto out;
}
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 7d5108a..d41974a 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -20,31 +20,31 @@
#include "rate.h"
#include "mesh.h"
-static struct net_device *ieee80211_add_iface(struct wiphy *wiphy, char *name,
- enum nl80211_iftype type,
- u32 *flags,
- struct vif_params *params)
+static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy, char *name,
+ enum nl80211_iftype type,
+ u32 *flags,
+ struct vif_params *params)
{
struct ieee80211_local *local = wiphy_priv(wiphy);
- struct net_device *dev;
+ struct wireless_dev *wdev;
struct ieee80211_sub_if_data *sdata;
int err;
- err = ieee80211_if_add(local, name, &dev, type, params);
+ err = ieee80211_if_add(local, name, &wdev, type, params);
if (err)
return ERR_PTR(err);
if (type == NL80211_IFTYPE_MONITOR && flags) {
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
sdata->u.mntr_flags = *flags;
}
- return dev;
+ return wdev;
}
-static int ieee80211_del_iface(struct wiphy *wiphy, struct net_device *dev)
+static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
{
- ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev));
+ ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
return 0;
}
@@ -353,6 +353,7 @@ void sta_set_rate_info_tx(struct sta_info *sta,
static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
{
struct ieee80211_sub_if_data *sdata = sta->sdata;
+ struct ieee80211_local *local = sdata->local;
struct timespec uptime;
sinfo->generation = sdata->local->sta_generation;
@@ -388,7 +389,9 @@ static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
(sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
- sinfo->signal = (s8)sta->last_signal;
+ if (!local->ops->get_rssi ||
+ drv_get_rssi(local, sdata, &sta->sta, &sinfo->signal))
+ sinfo->signal = (s8)sta->last_signal;
sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
}
@@ -517,7 +520,7 @@ static void ieee80211_get_et_stats(struct wiphy *wiphy,
* network device.
*/
- rcu_read_lock();
+ mutex_lock(&local->sta_mtx);
if (sdata->vif.type == NL80211_IFTYPE_STATION) {
sta = sta_info_get_bss(sdata, sdata->u.mgd.bssid);
@@ -546,7 +549,7 @@ static void ieee80211_get_et_stats(struct wiphy *wiphy,
data[i] = (u8)sinfo.signal_avg;
i++;
} else {
- list_for_each_entry_rcu(sta, &local->sta_list, list) {
+ list_for_each_entry(sta, &local->sta_list, list) {
/* Make sure this station belongs to the proper dev */
if (sta->sdata->dev != dev)
continue;
@@ -603,7 +606,7 @@ do_survey:
else
data[i++] = -1LL;
- rcu_read_unlock();
+ mutex_unlock(&local->sta_mtx);
if (WARN_ON(i != STA_STATS_LEN))
return;
@@ -629,10 +632,11 @@ static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
int idx, u8 *mac, struct station_info *sinfo)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_local *local = sdata->local;
struct sta_info *sta;
int ret = -ENOENT;
- rcu_read_lock();
+ mutex_lock(&local->sta_mtx);
sta = sta_info_get_by_idx(sdata, idx);
if (sta) {
@@ -641,7 +645,7 @@ static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
sta_set_sinfo(sta, sinfo);
}
- rcu_read_unlock();
+ mutex_unlock(&local->sta_mtx);
return ret;
}
@@ -658,10 +662,11 @@ static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
u8 *mac, struct station_info *sinfo)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_local *local = sdata->local;
struct sta_info *sta;
int ret = -ENOENT;
- rcu_read_lock();
+ mutex_lock(&local->sta_mtx);
sta = sta_info_get_bss(sdata, mac);
if (sta) {
@@ -669,11 +674,54 @@ static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
sta_set_sinfo(sta, sinfo);
}
- rcu_read_unlock();
+ mutex_unlock(&local->sta_mtx);
return ret;
}
+static int ieee80211_set_channel(struct wiphy *wiphy,
+ struct net_device *netdev,
+ struct ieee80211_channel *chan,
+ enum nl80211_channel_type channel_type)
+{
+ struct ieee80211_local *local = wiphy_priv(wiphy);
+ struct ieee80211_sub_if_data *sdata = NULL;
+
+ if (netdev)
+ sdata = IEEE80211_DEV_TO_SUB_IF(netdev);
+
+ switch (ieee80211_get_channel_mode(local, NULL)) {
+ case CHAN_MODE_HOPPING:
+ return -EBUSY;
+ case CHAN_MODE_FIXED:
+ if (local->oper_channel != chan ||
+ (!sdata && local->_oper_channel_type != channel_type))
+ return -EBUSY;
+ if (!sdata && local->_oper_channel_type == channel_type)
+ return 0;
+ break;
+ case CHAN_MODE_UNDEFINED:
+ break;
+ }
+
+ if (!ieee80211_set_channel_type(local, sdata, channel_type))
+ return -EBUSY;
+
+ local->oper_channel = chan;
+
+ /* auto-detects changes */
+ ieee80211_hw_config(local, 0);
+
+ return 0;
+}
+
+static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
+ struct ieee80211_channel *chan,
+ enum nl80211_channel_type channel_type)
+{
+ return ieee80211_set_channel(wiphy, NULL, chan, channel_type);
+}
+
static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
const u8 *resp, size_t resp_len)
{
@@ -788,6 +836,11 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
if (old)
return -EALREADY;
+ err = ieee80211_set_channel(wiphy, dev, params->channel,
+ params->channel_type);
+ if (err)
+ return err;
+
/*
* Apply control port protocol, this allows us to
* not encrypt dynamic WEP control frames.
@@ -864,6 +917,7 @@ static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
kfree_rcu(old, rcu_head);
+ sta_info_flush(sdata->local, sdata);
ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
return 0;
@@ -1482,7 +1536,7 @@ static int ieee80211_update_mesh_config(struct wiphy *wiphy,
if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
conf->dot11MeshTTL = nconf->dot11MeshTTL;
if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
- conf->dot11MeshTTL = nconf->element_ttl;
+ conf->element_ttl = nconf->element_ttl;
if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
conf->auto_open_plinks = nconf->auto_open_plinks;
if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
@@ -1517,17 +1571,16 @@ static int ieee80211_update_mesh_config(struct wiphy *wiphy,
* announcements, so require this ifmsh to also be a root node
* */
if (nconf->dot11MeshGateAnnouncementProtocol &&
- !conf->dot11MeshHWMPRootMode) {
- conf->dot11MeshHWMPRootMode = 1;
+ !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
+ conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
ieee80211_mesh_root_setup(ifmsh);
}
conf->dot11MeshGateAnnouncementProtocol =
nconf->dot11MeshGateAnnouncementProtocol;
}
- if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) {
+ if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
conf->dot11MeshHWMPRannInterval =
nconf->dot11MeshHWMPRannInterval;
- }
if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
@@ -1543,6 +1596,15 @@ static int ieee80211_update_mesh_config(struct wiphy *wiphy,
sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
}
+ if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
+ conf->dot11MeshHWMPactivePathToRootTimeout =
+ nconf->dot11MeshHWMPactivePathToRootTimeout;
+ if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
+ conf->dot11MeshHWMProotInterval =
+ nconf->dot11MeshHWMProotInterval;
+ if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
+ conf->dot11MeshHWMPconfirmationInterval =
+ nconf->dot11MeshHWMPconfirmationInterval;
return 0;
}
@@ -1558,6 +1620,12 @@ static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
err = copy_mesh_setup(ifmsh, setup);
if (err)
return err;
+
+ err = ieee80211_set_channel(wiphy, dev, setup->channel,
+ setup->channel_type);
+ if (err)
+ return err;
+
ieee80211_start_mesh(sdata);
return 0;
@@ -1674,54 +1742,7 @@ static int ieee80211_set_txq_params(struct wiphy *wiphy,
return -EINVAL;
}
- return 0;
-}
-
-static int ieee80211_set_channel(struct wiphy *wiphy,
- struct net_device *netdev,
- struct ieee80211_channel *chan,
- enum nl80211_channel_type channel_type)
-{
- struct ieee80211_local *local = wiphy_priv(wiphy);
- struct ieee80211_sub_if_data *sdata = NULL;
- struct ieee80211_channel *old_oper;
- enum nl80211_channel_type old_oper_type;
- enum nl80211_channel_type old_vif_oper_type= NL80211_CHAN_NO_HT;
-
- if (netdev)
- sdata = IEEE80211_DEV_TO_SUB_IF(netdev);
-
- switch (ieee80211_get_channel_mode(local, NULL)) {
- case CHAN_MODE_HOPPING:
- return -EBUSY;
- case CHAN_MODE_FIXED:
- if (local->oper_channel != chan)
- return -EBUSY;
- if (!sdata && local->_oper_channel_type == channel_type)
- return 0;
- break;
- case CHAN_MODE_UNDEFINED:
- break;
- }
-
- if (sdata)
- old_vif_oper_type = sdata->vif.bss_conf.channel_type;
- old_oper_type = local->_oper_channel_type;
-
- if (!ieee80211_set_channel_type(local, sdata, channel_type))
- return -EBUSY;
-
- old_oper = local->oper_channel;
- local->oper_channel = chan;
-
- /* Update driver if changes were actually made. */
- if ((old_oper != local->oper_channel) ||
- (old_oper_type != local->_oper_channel_type))
- ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
-
- if (sdata && sdata->vif.type != NL80211_IFTYPE_MONITOR &&
- old_vif_oper_type != sdata->vif.bss_conf.channel_type)
- ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
+ ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
return 0;
}
@@ -1743,10 +1764,11 @@ static int ieee80211_resume(struct wiphy *wiphy)
#endif
static int ieee80211_scan(struct wiphy *wiphy,
- struct net_device *dev,
struct cfg80211_scan_request *req)
{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_sub_if_data *sdata;
+
+ sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
switch (ieee80211_vif_type_p2p(&sdata->vif)) {
case NL80211_IFTYPE_STATION:
@@ -2111,143 +2133,291 @@ static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
return 0;
}
-static int ieee80211_remain_on_channel_hw(struct ieee80211_local *local,
- struct net_device *dev,
- struct ieee80211_channel *chan,
- enum nl80211_channel_type chantype,
- unsigned int duration, u64 *cookie)
+static int ieee80211_start_roc_work(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_channel *channel,
+ enum nl80211_channel_type channel_type,
+ unsigned int duration, u64 *cookie,
+ struct sk_buff *txskb)
{
+ struct ieee80211_roc_work *roc, *tmp;
+ bool queued = false;
int ret;
- u32 random_cookie;
lockdep_assert_held(&local->mtx);
- if (local->hw_roc_cookie)
- return -EBUSY;
- /* must be nonzero */
- random_cookie = random32() | 1;
-
- *cookie = random_cookie;
- local->hw_roc_dev = dev;
- local->hw_roc_cookie = random_cookie;
- local->hw_roc_channel = chan;
- local->hw_roc_channel_type = chantype;
- local->hw_roc_duration = duration;
- ret = drv_remain_on_channel(local, chan, chantype, duration);
+ roc = kzalloc(sizeof(*roc), GFP_KERNEL);
+ if (!roc)
+ return -ENOMEM;
+
+ roc->chan = channel;
+ roc->chan_type = channel_type;
+ roc->duration = duration;
+ roc->req_duration = duration;
+ roc->frame = txskb;
+ roc->mgmt_tx_cookie = (unsigned long)txskb;
+ roc->sdata = sdata;
+ INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
+ INIT_LIST_HEAD(&roc->dependents);
+
+ /* if there's one pending or we're scanning, queue this one */
+ if (!list_empty(&local->roc_list) || local->scanning)
+ goto out_check_combine;
+
+ /* if not HW assist, just queue & schedule work */
+ if (!local->ops->remain_on_channel) {
+ ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
+ goto out_queue;
+ }
+
+ /* otherwise actually kick it off here (for error handling) */
+
+ /*
+ * If the duration is zero, then the driver
+ * wouldn't actually do anything. Set it to
+ * 10 for now.
+ *
+ * TODO: cancel the off-channel operation
+ * when we get the SKB's TX status and
+ * the wait time was zero before.
+ */
+ if (!duration)
+ duration = 10;
+
+ ret = drv_remain_on_channel(local, channel, channel_type, duration);
if (ret) {
- local->hw_roc_channel = NULL;
- local->hw_roc_cookie = 0;
+ kfree(roc);
+ return ret;
}
- return ret;
+ roc->started = true;
+ goto out_queue;
+
+ out_check_combine:
+ list_for_each_entry(tmp, &local->roc_list, list) {
+ if (tmp->chan != channel || tmp->chan_type != channel_type)
+ continue;
+
+ /*
+ * Extend this ROC if possible:
+ *
+ * If it hasn't started yet, just increase the duration
+ * and add the new one to the list of dependents.
+ */
+ if (!tmp->started) {
+ list_add_tail(&roc->list, &tmp->dependents);
+ tmp->duration = max(tmp->duration, roc->duration);
+ queued = true;
+ break;
+ }
+
+ /* If it has already started, it's more difficult ... */
+ if (local->ops->remain_on_channel) {
+ unsigned long j = jiffies;
+
+ /*
+ * In the offloaded ROC case, if it hasn't begun, add
+ * this new one to the dependent list to be handled
+ * when the the master one begins. If it has begun,
+ * check that there's still a minimum time left and
+ * if so, start this one, transmitting the frame, but
+ * add it to the list directly after this one with a
+ * a reduced time so we'll ask the driver to execute
+ * it right after finishing the previous one, in the
+ * hope that it'll also be executed right afterwards,
+ * effectively extending the old one.
+ * If there's no minimum time left, just add it to the
+ * normal list.
+ */
+ if (!tmp->hw_begun) {
+ list_add_tail(&roc->list, &tmp->dependents);
+ queued = true;
+ break;
+ }
+
+ if (time_before(j + IEEE80211_ROC_MIN_LEFT,
+ tmp->hw_start_time +
+ msecs_to_jiffies(tmp->duration))) {
+ int new_dur;
+
+ ieee80211_handle_roc_started(roc);
+
+ new_dur = roc->duration -
+ jiffies_to_msecs(tmp->hw_start_time +
+ msecs_to_jiffies(
+ tmp->duration) -
+ j);
+
+ if (new_dur > 0) {
+ /* add right after tmp */
+ list_add(&roc->list, &tmp->list);
+ } else {
+ list_add_tail(&roc->list,
+ &tmp->dependents);
+ }
+ queued = true;
+ }
+ } else if (del_timer_sync(&tmp->work.timer)) {
+ unsigned long new_end;
+
+ /*
+ * In the software ROC case, cancel the timer, if
+ * that fails then the finish work is already
+ * queued/pending and thus we queue the new ROC
+ * normally, if that succeeds then we can extend
+ * the timer duration and TX the frame (if any.)
+ */
+
+ list_add_tail(&roc->list, &tmp->dependents);
+ queued = true;
+
+ new_end = jiffies + msecs_to_jiffies(roc->duration);
+
+ /* ok, it was started & we canceled timer */
+ if (time_after(new_end, tmp->work.timer.expires))
+ mod_timer(&tmp->work.timer, new_end);
+ else
+ add_timer(&tmp->work.timer);
+
+ ieee80211_handle_roc_started(roc);
+ }
+ break;
+ }
+
+ out_queue:
+ if (!queued)
+ list_add_tail(&roc->list, &local->roc_list);
+
+ /*
+ * cookie is either the roc (for normal roc)
+ * or the SKB (for mgmt TX)
+ */
+ if (txskb)
+ *cookie = (unsigned long)txskb;
+ else
+ *cookie = (unsigned long)roc;
+
+ return 0;
}
static int ieee80211_remain_on_channel(struct wiphy *wiphy,
- struct net_device *dev,
+ struct wireless_dev *wdev,
struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type,
unsigned int duration,
u64 *cookie)
{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
struct ieee80211_local *local = sdata->local;
+ int ret;
- if (local->ops->remain_on_channel) {
- int ret;
-
- mutex_lock(&local->mtx);
- ret = ieee80211_remain_on_channel_hw(local, dev,
- chan, channel_type,
- duration, cookie);
- local->hw_roc_for_tx = false;
- mutex_unlock(&local->mtx);
-
- return ret;
- }
+ mutex_lock(&local->mtx);
+ ret = ieee80211_start_roc_work(local, sdata, chan, channel_type,
+ duration, cookie, NULL);
+ mutex_unlock(&local->mtx);
- return ieee80211_wk_remain_on_channel(sdata, chan, channel_type,
- duration, cookie);
+ return ret;
}
-static int ieee80211_cancel_remain_on_channel_hw(struct ieee80211_local *local,
- u64 cookie)
+static int ieee80211_cancel_roc(struct ieee80211_local *local,
+ u64 cookie, bool mgmt_tx)
{
+ struct ieee80211_roc_work *roc, *tmp, *found = NULL;
int ret;
- lockdep_assert_held(&local->mtx);
+ mutex_lock(&local->mtx);
+ list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
+ struct ieee80211_roc_work *dep, *tmp2;
- if (local->hw_roc_cookie != cookie)
- return -ENOENT;
+ list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
+ if (!mgmt_tx && (unsigned long)dep != cookie)
+ continue;
+ else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
+ continue;
+ /* found dependent item -- just remove it */
+ list_del(&dep->list);
+ mutex_unlock(&local->mtx);
- ret = drv_cancel_remain_on_channel(local);
- if (ret)
- return ret;
+ ieee80211_roc_notify_destroy(dep);
+ return 0;
+ }
- local->hw_roc_cookie = 0;
- local->hw_roc_channel = NULL;
+ if (!mgmt_tx && (unsigned long)roc != cookie)
+ continue;
+ else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
+ continue;
+
+ found = roc;
+ break;
+ }
- ieee80211_recalc_idle(local);
+ if (!found) {
+ mutex_unlock(&local->mtx);
+ return -ENOENT;
+ }
- return 0;
-}
+ /*
+ * We found the item to cancel, so do that. Note that it
+ * may have dependents, which we also cancel (and send
+ * the expired signal for.) Not doing so would be quite
+ * tricky here, but we may need to fix it later.
+ */
-static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
- struct net_device *dev,
- u64 cookie)
-{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- struct ieee80211_local *local = sdata->local;
+ if (local->ops->remain_on_channel) {
+ if (found->started) {
+ ret = drv_cancel_remain_on_channel(local);
+ if (WARN_ON_ONCE(ret)) {
+ mutex_unlock(&local->mtx);
+ return ret;
+ }
+ }
- if (local->ops->cancel_remain_on_channel) {
- int ret;
+ list_del(&found->list);
- mutex_lock(&local->mtx);
- ret = ieee80211_cancel_remain_on_channel_hw(local, cookie);
+ if (found->started)
+ ieee80211_start_next_roc(local);
mutex_unlock(&local->mtx);
- return ret;
+ ieee80211_roc_notify_destroy(found);
+ } else {
+ /* work may be pending so use it all the time */
+ found->abort = true;
+ ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
+
+ mutex_unlock(&local->mtx);
+
+ /* work will clean up etc */
+ flush_delayed_work(&found->work);
}
- return ieee80211_wk_cancel_remain_on_channel(sdata, cookie);
+ return 0;
}
-static enum work_done_result
-ieee80211_offchan_tx_done(struct ieee80211_work *wk, struct sk_buff *skb)
+static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
+ struct wireless_dev *wdev,
+ u64 cookie)
{
- /*
- * Use the data embedded in the work struct for reporting
- * here so if the driver mangled the SKB before dropping
- * it (which is the only way we really should get here)
- * then we don't report mangled data.
- *
- * If there was no wait time, then by the time we get here
- * the driver will likely not have reported the status yet,
- * so in that case userspace will have to deal with it.
- */
-
- if (wk->offchan_tx.wait && !wk->offchan_tx.status)
- cfg80211_mgmt_tx_status(wk->sdata->dev,
- (unsigned long) wk->offchan_tx.frame,
- wk->data, wk->data_len, false, GFP_KERNEL);
+ struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
+ struct ieee80211_local *local = sdata->local;
- return WORK_DONE_DESTROY;
+ return ieee80211_cancel_roc(local, cookie, false);
}
-static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev,
+static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
struct ieee80211_channel *chan, bool offchan,
enum nl80211_channel_type channel_type,
bool channel_type_valid, unsigned int wait,
const u8 *buf, size_t len, bool no_cck,
bool dont_wait_for_ack, u64 *cookie)
{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
struct ieee80211_local *local = sdata->local;
struct sk_buff *skb;
struct sta_info *sta;
- struct ieee80211_work *wk;
const struct ieee80211_mgmt *mgmt = (void *)buf;
+ bool need_offchan = false;
u32 flags;
- bool is_offchan = false;
+ int ret;
if (dont_wait_for_ack)
flags = IEEE80211_TX_CTL_NO_ACK;
@@ -2255,33 +2425,28 @@ static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev,
flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
IEEE80211_TX_CTL_REQ_TX_STATUS;
- /* Check that we are on the requested channel for transmission */
- if (chan != local->tmp_channel &&
- chan != local->oper_channel)
- is_offchan = true;
- if (channel_type_valid &&
- (channel_type != local->tmp_channel_type &&
- channel_type != local->_oper_channel_type))
- is_offchan = true;
-
- if (chan == local->hw_roc_channel) {
- /* TODO: check channel type? */
- is_offchan = false;
- flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
- }
-
if (no_cck)
flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
- if (is_offchan && !offchan)
- return -EBUSY;
-
switch (sdata->vif.type) {
case NL80211_IFTYPE_ADHOC:
+ if (!sdata->vif.bss_conf.ibss_joined)
+ need_offchan = true;
+ /* fall through */
+#ifdef CONFIG_MAC80211_MESH
+ case NL80211_IFTYPE_MESH_POINT:
+ if (ieee80211_vif_is_mesh(&sdata->vif) &&
+ !sdata->u.mesh.mesh_id_len)
+ need_offchan = true;
+ /* fall through */
+#endif
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_AP_VLAN:
case NL80211_IFTYPE_P2P_GO:
- case NL80211_IFTYPE_MESH_POINT:
+ if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
+ !ieee80211_vif_is_mesh(&sdata->vif) &&
+ !rcu_access_pointer(sdata->bss->beacon))
+ need_offchan = true;
if (!ieee80211_is_action(mgmt->frame_control) ||
mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
break;
@@ -2293,167 +2458,101 @@ static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev,
break;
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_P2P_CLIENT:
+ if (!sdata->u.mgd.associated)
+ need_offchan = true;
break;
default:
return -EOPNOTSUPP;
}
+ mutex_lock(&local->mtx);
+
+ /* Check if the operating channel is the requested channel */
+ if (!need_offchan) {
+ need_offchan = chan != local->oper_channel;
+ if (channel_type_valid &&
+ channel_type != local->_oper_channel_type)
+ need_offchan = true;
+ }
+
+ if (need_offchan && !offchan) {
+ ret = -EBUSY;
+ goto out_unlock;
+ }
+
skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
- if (!skb)
- return -ENOMEM;
+ if (!skb) {
+ ret = -ENOMEM;
+ goto out_unlock;
+ }
skb_reserve(skb, local->hw.extra_tx_headroom);
memcpy(skb_put(skb, len), buf, len);
IEEE80211_SKB_CB(skb)->flags = flags;
- if (flags & IEEE80211_TX_CTL_TX_OFFCHAN)
- IEEE80211_SKB_CB(skb)->hw_queue =
- local->hw.offchannel_tx_hw_queue;
-
skb->dev = sdata->dev;
- *cookie = (unsigned long) skb;
-
- if (is_offchan && local->ops->remain_on_channel) {
- unsigned int duration;
- int ret;
-
- mutex_lock(&local->mtx);
- /*
- * If the duration is zero, then the driver
- * wouldn't actually do anything. Set it to
- * 100 for now.
- *
- * TODO: cancel the off-channel operation
- * when we get the SKB's TX status and
- * the wait time was zero before.
- */
- duration = 100;
- if (wait)
- duration = wait;
- ret = ieee80211_remain_on_channel_hw(local, dev, chan,
- channel_type,
- duration, cookie);
- if (ret) {
- kfree_skb(skb);
- mutex_unlock(&local->mtx);
- return ret;
- }
-
- local->hw_roc_for_tx = true;
- local->hw_roc_duration = wait;
-
- /*
- * queue up frame for transmission after
- * ieee80211_ready_on_channel call
- */
+ if (!need_offchan) {
+ *cookie = (unsigned long) skb;
+ ieee80211_tx_skb(sdata, skb);
+ ret = 0;
+ goto out_unlock;
+ }
- /* modify cookie to prevent API mismatches */
- *cookie ^= 2;
- IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
+ IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
+ if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
IEEE80211_SKB_CB(skb)->hw_queue =
local->hw.offchannel_tx_hw_queue;
- local->hw_roc_skb = skb;
- local->hw_roc_skb_for_status = skb;
- mutex_unlock(&local->mtx);
-
- return 0;
- }
-
- /*
- * Can transmit right away if the channel was the
- * right one and there's no wait involved... If a
- * wait is involved, we might otherwise not be on
- * the right channel for long enough!
- */
- if (!is_offchan && !wait && !sdata->vif.bss_conf.idle) {
- ieee80211_tx_skb(sdata, skb);
- return 0;
- }
- wk = kzalloc(sizeof(*wk) + len, GFP_KERNEL);
- if (!wk) {
+ /* This will handle all kinds of coalescing and immediate TX */
+ ret = ieee80211_start_roc_work(local, sdata, chan, channel_type,
+ wait, cookie, skb);
+ if (ret)
kfree_skb(skb);
- return -ENOMEM;
- }
-
- wk->type = IEEE80211_WORK_OFFCHANNEL_TX;
- wk->chan = chan;
- wk->chan_type = channel_type;
- wk->sdata = sdata;
- wk->done = ieee80211_offchan_tx_done;
- wk->offchan_tx.frame = skb;
- wk->offchan_tx.wait = wait;
- wk->data_len = len;
- memcpy(wk->data, buf, len);
-
- ieee80211_add_work(wk);
- return 0;
+ out_unlock:
+ mutex_unlock(&local->mtx);
+ return ret;
}
static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
- struct net_device *dev,
+ struct wireless_dev *wdev,
u64 cookie)
{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- struct ieee80211_local *local = sdata->local;
- struct ieee80211_work *wk;
- int ret = -ENOENT;
-
- mutex_lock(&local->mtx);
-
- if (local->ops->cancel_remain_on_channel) {
- cookie ^= 2;
- ret = ieee80211_cancel_remain_on_channel_hw(local, cookie);
-
- if (ret == 0) {
- kfree_skb(local->hw_roc_skb);
- local->hw_roc_skb = NULL;
- local->hw_roc_skb_for_status = NULL;
- }
-
- mutex_unlock(&local->mtx);
-
- return ret;
- }
-
- list_for_each_entry(wk, &local->work_list, list) {
- if (wk->sdata != sdata)
- continue;
-
- if (wk->type != IEEE80211_WORK_OFFCHANNEL_TX)
- continue;
-
- if (cookie != (unsigned long) wk->offchan_tx.frame)
- continue;
-
- wk->timeout = jiffies;
-
- ieee80211_queue_work(&local->hw, &local->work_work);
- ret = 0;
- break;
- }
- mutex_unlock(&local->mtx);
+ struct ieee80211_local *local = wiphy_priv(wiphy);
- return ret;
+ return ieee80211_cancel_roc(local, cookie, true);
}
static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
- struct net_device *dev,
+ struct wireless_dev *wdev,
u16 frame_type, bool reg)
{
struct ieee80211_local *local = wiphy_priv(wiphy);
+ struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
- if (frame_type != (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ))
- return;
+ switch (frame_type) {
+ case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH:
+ if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {
+ struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
- if (reg)
- local->probe_req_reg++;
- else
- local->probe_req_reg--;
+ if (reg)
+ ifibss->auth_frame_registrations++;
+ else
+ ifibss->auth_frame_registrations--;
+ }
+ break;
+ case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
+ if (reg)
+ local->probe_req_reg++;
+ else
+ local->probe_req_reg--;
- ieee80211_queue_work(&local->hw, &local->reconfig_filter);
+ ieee80211_queue_work(&local->hw, &local->reconfig_filter);
+ break;
+ default:
+ break;
+ }
}
static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
@@ -2573,8 +2672,8 @@ ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
tf->u.setup_req.capability =
cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
- ieee80211_add_srates_ie(&sdata->vif, skb, false);
- ieee80211_add_ext_srates_ie(&sdata->vif, skb, false);
+ ieee80211_add_srates_ie(sdata, skb, false);
+ ieee80211_add_ext_srates_ie(sdata, skb, false);
ieee80211_tdls_add_ext_capab(skb);
break;
case WLAN_TDLS_SETUP_RESPONSE:
@@ -2587,8 +2686,8 @@ ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
tf->u.setup_resp.capability =
cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
- ieee80211_add_srates_ie(&sdata->vif, skb, false);
- ieee80211_add_ext_srates_ie(&sdata->vif, skb, false);
+ ieee80211_add_srates_ie(sdata, skb, false);
+ ieee80211_add_ext_srates_ie(sdata, skb, false);
ieee80211_tdls_add_ext_capab(skb);
break;
case WLAN_TDLS_SETUP_CONFIRM:
@@ -2648,8 +2747,8 @@ ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
mgmt->u.action.u.tdls_discover_resp.capability =
cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
- ieee80211_add_srates_ie(&sdata->vif, skb, false);
- ieee80211_add_ext_srates_ie(&sdata->vif, skb, false);
+ ieee80211_add_srates_ie(sdata, skb, false);
+ ieee80211_add_ext_srates_ie(sdata, skb, false);
ieee80211_tdls_add_ext_capab(skb);
break;
default:
@@ -2679,9 +2778,8 @@ static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
!sdata->u.mgd.associated)
return -EINVAL;
-#ifdef CONFIG_MAC80211_VERBOSE_TDLS_DEBUG
- printk(KERN_DEBUG "TDLS mgmt action %d peer %pM\n", action_code, peer);
-#endif
+ tdls_dbg(sdata, "TDLS mgmt action %d peer %pM\n",
+ action_code, peer);
skb = dev_alloc_skb(local->hw.extra_tx_headroom +
max(sizeof(struct ieee80211_mgmt),
@@ -2790,9 +2888,7 @@ static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
if (sdata->vif.type != NL80211_IFTYPE_STATION)
return -EINVAL;
-#ifdef CONFIG_MAC80211_VERBOSE_TDLS_DEBUG
- printk(KERN_DEBUG "TDLS oper %d peer %pM\n", oper, peer);
-#endif
+ tdls_dbg(sdata, "TDLS oper %d peer %pM\n", oper, peer);
switch (oper) {
case NL80211_TDLS_ENABLE_LINK:
@@ -2889,8 +2985,8 @@ static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
}
static struct ieee80211_channel *
-ieee80211_wiphy_get_channel(struct wiphy *wiphy,
- enum nl80211_channel_type *type)
+ieee80211_cfg_get_channel(struct wiphy *wiphy, struct wireless_dev *wdev,
+ enum nl80211_channel_type *type)
{
struct ieee80211_local *local = wiphy_priv(wiphy);
@@ -2936,7 +3032,7 @@ struct cfg80211_ops mac80211_config_ops = {
#endif
.change_bss = ieee80211_change_bss,
.set_txq_params = ieee80211_set_txq_params,
- .set_channel = ieee80211_set_channel,
+ .set_monitor_channel = ieee80211_set_monitor_channel,
.suspend = ieee80211_suspend,
.resume = ieee80211_resume,
.scan = ieee80211_scan,
@@ -2971,7 +3067,6 @@ struct cfg80211_ops mac80211_config_ops = {
.tdls_oper = ieee80211_tdls_oper,
.tdls_mgmt = ieee80211_tdls_mgmt,
.probe_client = ieee80211_probe_client,
- .get_channel = ieee80211_wiphy_get_channel,
.set_noack_map = ieee80211_set_noack_map,
#ifdef CONFIG_PM
.set_wakeup = ieee80211_set_wakeup,
@@ -2979,4 +3074,5 @@ struct cfg80211_ops mac80211_config_ops = {
.get_et_sset_count = ieee80211_get_et_sset_count,
.get_et_stats = ieee80211_get_et_stats,
.get_et_strings = ieee80211_get_et_strings,
+ .get_channel = ieee80211_cfg_get_channel,
};
diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c
index c76cf72..f0f87e5 100644
--- a/net/mac80211/chan.c
+++ b/net/mac80211/chan.c
@@ -41,6 +41,10 @@ __ieee80211_get_channel_mode(struct ieee80211_local *local,
if (!sdata->u.ap.beacon)
continue;
break;
+ case NL80211_IFTYPE_MESH_POINT:
+ if (!sdata->wdev.mesh_id_len)
+ continue;
+ break;
default:
break;
}
diff --git a/net/mac80211/debug.h b/net/mac80211/debug.h
new file mode 100644
index 0000000..8f383a5
--- /dev/null
+++ b/net/mac80211/debug.h
@@ -0,0 +1,170 @@
+#ifndef __MAC80211_DEBUG_H
+#define __MAC80211_DEBUG_H
+#include <net/cfg80211.h>
+
+#ifdef CONFIG_MAC80211_IBSS_DEBUG
+#define MAC80211_IBSS_DEBUG 1
+#else
+#define MAC80211_IBSS_DEBUG 0
+#endif
+
+#ifdef CONFIG_MAC80211_PS_DEBUG
+#define MAC80211_PS_DEBUG 1
+#else
+#define MAC80211_PS_DEBUG 0
+#endif
+
+#ifdef CONFIG_MAC80211_HT_DEBUG
+#define MAC80211_HT_DEBUG 1
+#else
+#define MAC80211_HT_DEBUG 0
+#endif
+
+#ifdef CONFIG_MAC80211_MPL_DEBUG
+#define MAC80211_MPL_DEBUG 1
+#else
+#define MAC80211_MPL_DEBUG 0
+#endif
+
+#ifdef CONFIG_MAC80211_MPATH_DEBUG
+#define MAC80211_MPATH_DEBUG 1
+#else
+#define MAC80211_MPATH_DEBUG 0
+#endif
+
+#ifdef CONFIG_MAC80211_MHWMP_DEBUG
+#define MAC80211_MHWMP_DEBUG 1
+#else
+#define MAC80211_MHWMP_DEBUG 0
+#endif
+
+#ifdef CONFIG_MAC80211_MESH_SYNC_DEBUG
+#define MAC80211_MESH_SYNC_DEBUG 1
+#else
+#define MAC80211_MESH_SYNC_DEBUG 0
+#endif
+
+#ifdef CONFIG_MAC80211_TDLS_DEBUG
+#define MAC80211_TDLS_DEBUG 1
+#else
+#define MAC80211_TDLS_DEBUG 0
+#endif
+
+#ifdef CONFIG_MAC80211_STA_DEBUG
+#define MAC80211_STA_DEBUG 1
+#else
+#define MAC80211_STA_DEBUG 0
+#endif
+
+#ifdef CONFIG_MAC80211_MLME_DEBUG
+#define MAC80211_MLME_DEBUG 1
+#else
+#define MAC80211_MLME_DEBUG 0
+#endif
+
+#ifdef CONFIG_MAC80211_MESSAGE_TRACING
+void __sdata_info(const char *fmt, ...) __printf(1, 2);
+void __sdata_dbg(bool print, const char *fmt, ...) __printf(2, 3);
+void __sdata_err(const char *fmt, ...) __printf(1, 2);
+void __wiphy_dbg(struct wiphy *wiphy, bool print, const char *fmt, ...)
+ __printf(3, 4);
+
+#define _sdata_info(sdata, fmt, ...) \
+ __sdata_info("%s: " fmt, (sdata)->name, ##__VA_ARGS__)
+#define _sdata_dbg(print, sdata, fmt, ...) \
+ __sdata_dbg(print, "%s: " fmt, (sdata)->name, ##__VA_ARGS__)
+#define _sdata_err(sdata, fmt, ...) \
+ __sdata_err("%s: " fmt, (sdata)->name, ##__VA_ARGS__)
+#define _wiphy_dbg(print, wiphy, fmt, ...) \
+ __wiphy_dbg(wiphy, print, fmt, ##__VA_ARGS__)
+#else
+#define _sdata_info(sdata, fmt, ...) \
+do { \
+ pr_info("%s: " fmt, \
+ (sdata)->name, ##__VA_ARGS__); \
+} while (0)
+
+#define _sdata_dbg(print, sdata, fmt, ...) \
+do { \
+ if (print) \
+ pr_debug("%s: " fmt, \
+ (sdata)->name, ##__VA_ARGS__); \
+} while (0)
+
+#define _sdata_err(sdata, fmt, ...) \
+do { \
+ pr_err("%s: " fmt, \
+ (sdata)->name, ##__VA_ARGS__); \
+} while (0)
+
+#define _wiphy_dbg(print, wiphy, fmt, ...) \
+do { \
+ if (print) \
+ wiphy_dbg((wiphy), fmt, ##__VA_ARGS__); \
+} while (0)
+#endif
+
+#define sdata_info(sdata, fmt, ...) \
+ _sdata_info(sdata, fmt, ##__VA_ARGS__)
+#define sdata_err(sdata, fmt, ...) \
+ _sdata_err(sdata, fmt, ##__VA_ARGS__)
+#define sdata_dbg(sdata, fmt, ...) \
+ _sdata_dbg(1, sdata, fmt, ##__VA_ARGS__)
+
+#define ht_dbg(sdata, fmt, ...) \
+ _sdata_dbg(MAC80211_HT_DEBUG, \
+ sdata, fmt, ##__VA_ARGS__)
+
+#define ht_dbg_ratelimited(sdata, fmt, ...) \
+ _sdata_dbg(MAC80211_HT_DEBUG && net_ratelimit(), \
+ sdata, fmt, ##__VA_ARGS__)
+
+#define ibss_dbg(sdata, fmt, ...) \
+ _sdata_dbg(MAC80211_IBSS_DEBUG, \
+ sdata, fmt, ##__VA_ARGS__)
+
+#define ps_dbg(sdata, fmt, ...) \
+ _sdata_dbg(MAC80211_PS_DEBUG, \
+ sdata, fmt, ##__VA_ARGS__)
+
+#define ps_dbg_hw(hw, fmt, ...) \
+ _wiphy_dbg(MAC80211_PS_DEBUG, \
+ (hw)->wiphy, fmt, ##__VA_ARGS__)
+
+#define ps_dbg_ratelimited(sdata, fmt, ...) \
+ _sdata_dbg(MAC80211_PS_DEBUG && net_ratelimit(), \
+ sdata, fmt, ##__VA_ARGS__)
+
+#define mpl_dbg(sdata, fmt, ...) \
+ _sdata_dbg(MAC80211_MPL_DEBUG, \
+ sdata, fmt, ##__VA_ARGS__)
+
+#define mpath_dbg(sdata, fmt, ...) \
+ _sdata_dbg(MAC80211_MPATH_DEBUG, \
+ sdata, fmt, ##__VA_ARGS__)
+
+#define mhwmp_dbg(sdata, fmt, ...) \
+ _sdata_dbg(MAC80211_MHWMP_DEBUG, \
+ sdata, fmt, ##__VA_ARGS__)
+
+#define msync_dbg(sdata, fmt, ...) \
+ _sdata_dbg(MAC80211_MESH_SYNC_DEBUG, \
+ sdata, fmt, ##__VA_ARGS__)
+
+#define tdls_dbg(sdata, fmt, ...) \
+ _sdata_dbg(MAC80211_TDLS_DEBUG, \
+ sdata, fmt, ##__VA_ARGS__)
+
+#define sta_dbg(sdata, fmt, ...) \
+ _sdata_dbg(MAC80211_STA_DEBUG, \
+ sdata, fmt, ##__VA_ARGS__)
+
+#define mlme_dbg(sdata, fmt, ...) \
+ _sdata_dbg(MAC80211_MLME_DEBUG, \
+ sdata, fmt, ##__VA_ARGS__)
+
+#define mlme_dbg_ratelimited(sdata, fmt, ...) \
+ _sdata_dbg(MAC80211_MLME_DEBUG && net_ratelimit(), \
+ sdata, fmt, ##__VA_ARGS__)
+
+#endif /* __MAC80211_DEBUG_H */
diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c
index 778e591..b8dfb44 100644
--- a/net/mac80211/debugfs.c
+++ b/net/mac80211/debugfs.c
@@ -325,8 +325,6 @@ void debugfs_hw_add(struct ieee80211_local *local)
local->rx_handlers_drop_defrag);
DEBUGFS_STATS_ADD(rx_handlers_drop_short,
local->rx_handlers_drop_short);
- DEBUGFS_STATS_ADD(rx_handlers_drop_passive_scan,
- local->rx_handlers_drop_passive_scan);
DEBUGFS_STATS_ADD(tx_expand_skb_head,
local->tx_expand_skb_head);
DEBUGFS_STATS_ADD(tx_expand_skb_head_cloned,
diff --git a/net/mac80211/debugfs_key.c b/net/mac80211/debugfs_key.c
index 7932767..090d08f 100644
--- a/net/mac80211/debugfs_key.c
+++ b/net/mac80211/debugfs_key.c
@@ -283,6 +283,11 @@ void ieee80211_debugfs_key_update_default(struct ieee80211_sub_if_data *sdata)
lockdep_assert_held(&sdata->local->key_mtx);
+ if (sdata->debugfs.default_unicast_key) {
+ debugfs_remove(sdata->debugfs.default_unicast_key);
+ sdata->debugfs.default_unicast_key = NULL;
+ }
+
if (sdata->default_unicast_key) {
key = key_mtx_dereference(sdata->local,
sdata->default_unicast_key);
@@ -290,9 +295,11 @@ void ieee80211_debugfs_key_update_default(struct ieee80211_sub_if_data *sdata)
sdata->debugfs.default_unicast_key =
debugfs_create_symlink("default_unicast_key",
sdata->debugfs.dir, buf);
- } else {
- debugfs_remove(sdata->debugfs.default_unicast_key);
- sdata->debugfs.default_unicast_key = NULL;
+ }
+
+ if (sdata->debugfs.default_multicast_key) {
+ debugfs_remove(sdata->debugfs.default_multicast_key);
+ sdata->debugfs.default_multicast_key = NULL;
}
if (sdata->default_multicast_key) {
@@ -302,9 +309,6 @@ void ieee80211_debugfs_key_update_default(struct ieee80211_sub_if_data *sdata)
sdata->debugfs.default_multicast_key =
debugfs_create_symlink("default_multicast_key",
sdata->debugfs.dir, buf);
- } else {
- debugfs_remove(sdata->debugfs.default_multicast_key);
- sdata->debugfs.default_multicast_key = NULL;
}
}
diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
index 7ed433c6..6d5aec9 100644
--- a/net/mac80211/debugfs_netdev.c
+++ b/net/mac80211/debugfs_netdev.c
@@ -468,48 +468,54 @@ IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC);
IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC);
IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC);
IEEE80211_IF_FILE(dropped_frames_congestion,
- u.mesh.mshstats.dropped_frames_congestion, DEC);
+ u.mesh.mshstats.dropped_frames_congestion, DEC);
IEEE80211_IF_FILE(dropped_frames_no_route,
- u.mesh.mshstats.dropped_frames_no_route, DEC);
+ u.mesh.mshstats.dropped_frames_no_route, DEC);
IEEE80211_IF_FILE(estab_plinks, u.mesh.mshstats.estab_plinks, ATOMIC);
/* Mesh parameters */
IEEE80211_IF_FILE(dot11MeshMaxRetries,
- u.mesh.mshcfg.dot11MeshMaxRetries, DEC);
+ u.mesh.mshcfg.dot11MeshMaxRetries, DEC);
IEEE80211_IF_FILE(dot11MeshRetryTimeout,
- u.mesh.mshcfg.dot11MeshRetryTimeout, DEC);
+ u.mesh.mshcfg.dot11MeshRetryTimeout, DEC);
IEEE80211_IF_FILE(dot11MeshConfirmTimeout,
- u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC);
+ u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC);
IEEE80211_IF_FILE(dot11MeshHoldingTimeout,
- u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC);
+ u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC);
IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC);
IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC);
IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC);
IEEE80211_IF_FILE(dot11MeshMaxPeerLinks,
- u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC);
+ u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC);
IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout,
- u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC);
+ u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC);
IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval,
- u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC);
+ u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC);
IEEE80211_IF_FILE(dot11MeshHWMPperrMinInterval,
- u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, DEC);
+ u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, DEC);
IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime,
- u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC);
+ u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC);
IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries,
- u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC);
+ u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC);
IEEE80211_IF_FILE(path_refresh_time,
- u.mesh.mshcfg.path_refresh_time, DEC);
+ u.mesh.mshcfg.path_refresh_time, DEC);
IEEE80211_IF_FILE(min_discovery_timeout,
- u.mesh.mshcfg.min_discovery_timeout, DEC);
+ u.mesh.mshcfg.min_discovery_timeout, DEC);
IEEE80211_IF_FILE(dot11MeshHWMPRootMode,
- u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC);
+ u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC);
IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol,
- u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC);
+ u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC);
IEEE80211_IF_FILE(dot11MeshHWMPRannInterval,
- u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC);
+ u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC);
IEEE80211_IF_FILE(dot11MeshForwarding, u.mesh.mshcfg.dot11MeshForwarding, DEC);
IEEE80211_IF_FILE(rssi_threshold, u.mesh.mshcfg.rssi_threshold, DEC);
IEEE80211_IF_FILE(ht_opmode, u.mesh.mshcfg.ht_opmode, DEC);
+IEEE80211_IF_FILE(dot11MeshHWMPactivePathToRootTimeout,
+ u.mesh.mshcfg.dot11MeshHWMPactivePathToRootTimeout, DEC);
+IEEE80211_IF_FILE(dot11MeshHWMProotInterval,
+ u.mesh.mshcfg.dot11MeshHWMProotInterval, DEC);
+IEEE80211_IF_FILE(dot11MeshHWMPconfirmationInterval,
+ u.mesh.mshcfg.dot11MeshHWMPconfirmationInterval, DEC);
#endif
#define DEBUGFS_ADD_MODE(name, mode) \
@@ -607,9 +613,13 @@ static void add_mesh_config(struct ieee80211_sub_if_data *sdata)
MESHPARAMS_ADD(min_discovery_timeout);
MESHPARAMS_ADD(dot11MeshHWMPRootMode);
MESHPARAMS_ADD(dot11MeshHWMPRannInterval);
+ MESHPARAMS_ADD(dot11MeshForwarding);
MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol);
MESHPARAMS_ADD(rssi_threshold);
MESHPARAMS_ADD(ht_opmode);
+ MESHPARAMS_ADD(dot11MeshHWMPactivePathToRootTimeout);
+ MESHPARAMS_ADD(dot11MeshHWMProotInterval);
+ MESHPARAMS_ADD(dot11MeshHWMPconfirmationInterval);
#undef MESHPARAMS_ADD
}
#endif
@@ -685,6 +695,7 @@ void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata)
sprintf(buf, "netdev:%s", sdata->name);
if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf))
- printk(KERN_ERR "mac80211: debugfs: failed to rename debugfs "
- "dir to %s\n", buf);
+ sdata_err(sdata,
+ "debugfs: failed to rename debugfs dir to %s\n",
+ buf);
}
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index 6d33a0c..df92031 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -3,7 +3,7 @@
#include <net/mac80211.h>
#include "ieee80211_i.h"
-#include "driver-trace.h"
+#include "trace.h"
static inline void check_sdata_in_driver(struct ieee80211_sub_if_data *sdata)
{
@@ -27,14 +27,6 @@ static inline void drv_tx(struct ieee80211_local *local, struct sk_buff *skb)
local->ops->tx(&local->hw, skb);
}
-static inline void drv_tx_frags(struct ieee80211_local *local,
- struct ieee80211_vif *vif,
- struct ieee80211_sta *sta,
- struct sk_buff_head *skbs)
-{
- local->ops->tx_frags(&local->hw, vif, sta, skbs);
-}
-
static inline void drv_get_et_strings(struct ieee80211_sub_if_data *sdata,
u32 sset, u8 *data)
{
@@ -845,4 +837,33 @@ drv_allow_buffered_frames(struct ieee80211_local *local,
more_data);
trace_drv_return_void(local);
}
+
+static inline int drv_get_rssi(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_sta *sta,
+ s8 *rssi_dbm)
+{
+ int ret;
+
+ might_sleep();
+
+ ret = local->ops->get_rssi(&local->hw, &sdata->vif, sta, rssi_dbm);
+ trace_drv_get_rssi(local, sta, *rssi_dbm, ret);
+
+ return ret;
+}
+
+static inline void drv_mgd_prepare_tx(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata)
+{
+ might_sleep();
+
+ check_sdata_in_driver(sdata);
+ WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION);
+
+ trace_drv_mgd_prepare_tx(local, sdata);
+ if (local->ops->mgd_prepare_tx)
+ local->ops->mgd_prepare_tx(&local->hw, &sdata->vif);
+ trace_drv_return_void(local);
+}
#endif /* __MAC80211_DRIVER_OPS */
diff --git a/net/mac80211/driver-trace.c b/net/mac80211/driver-trace.c
deleted file mode 100644
index 8ed8711..0000000
--- a/net/mac80211/driver-trace.c
+++ /dev/null
@@ -1,9 +0,0 @@
-/* bug in tracepoint.h, it should include this */
-#include <linux/module.h>
-
-/* sparse isn't too happy with all macros... */
-#ifndef __CHECKER__
-#include "driver-ops.h"
-#define CREATE_TRACE_POINTS
-#include "driver-trace.h"
-#endif
diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c
index 6f8615c..4b4538d 100644
--- a/net/mac80211/ht.c
+++ b/net/mac80211/ht.c
@@ -305,12 +305,10 @@ void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata,
tid = (params & IEEE80211_DELBA_PARAM_TID_MASK) >> 12;
initiator = (params & IEEE80211_DELBA_PARAM_INITIATOR_MASK) >> 11;
-#ifdef CONFIG_MAC80211_HT_DEBUG
- net_dbg_ratelimited("delba from %pM (%s) tid %d reason code %d\n",
- mgmt->sa, initiator ? "initiator" : "recipient",
- tid,
- le16_to_cpu(mgmt->u.action.u.delba.reason_code));
-#endif /* CONFIG_MAC80211_HT_DEBUG */
+ ht_dbg_ratelimited(sdata, "delba from %pM (%s) tid %d reason code %d\n",
+ mgmt->sa, initiator ? "initiator" : "recipient",
+ tid,
+ le16_to_cpu(mgmt->u.action.u.delba.reason_code));
if (initiator == WLAN_BACK_INITIATOR)
__ieee80211_stop_rx_ba_session(sta, tid, WLAN_BACK_INITIATOR, 0,
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index 33d9d0c..5746d62 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -82,8 +82,7 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
local->oper_channel = chan;
channel_type = ifibss->channel_type;
- if (channel_type > NL80211_CHAN_HT20 &&
- !cfg80211_can_beacon_sec_chan(local->hw.wiphy, chan, channel_type))
+ if (!cfg80211_can_beacon_sec_chan(local->hw.wiphy, chan, channel_type))
channel_type = NL80211_CHAN_HT20;
if (!ieee80211_set_channel_type(local, sdata, channel_type)) {
/* can only fail due to HT40+/- mismatch */
@@ -262,11 +261,7 @@ static struct sta_info *ieee80211_ibss_finish_sta(struct sta_info *sta,
memcpy(addr, sta->sta.addr, ETH_ALEN);
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- wiphy_debug(sdata->local->hw.wiphy,
- "Adding new IBSS station %pM (dev=%s)\n",
- addr, sdata->name);
-#endif
+ ibss_dbg(sdata, "Adding new IBSS station %pM\n", addr);
sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
@@ -280,12 +275,10 @@ static struct sta_info *ieee80211_ibss_finish_sta(struct sta_info *sta,
/* If it fails, maybe we raced another insertion? */
if (sta_info_insert_rcu(sta))
return sta_info_get(sdata, addr);
- if (auth) {
-#ifdef CONFIG_MAC80211_IBSS_DEBUG
- printk(KERN_DEBUG "TX Auth SA=%pM DA=%pM BSSID=%pM"
- "(auth_transaction=1)\n", sdata->vif.addr,
- sdata->u.ibss.bssid, addr);
-#endif
+ if (auth && !sdata->u.ibss.auth_frame_registrations) {
+ ibss_dbg(sdata,
+ "TX Auth SA=%pM DA=%pM BSSID=%pM (auth_transaction=1)\n",
+ sdata->vif.addr, sdata->u.ibss.bssid, addr);
ieee80211_send_auth(sdata, 1, WLAN_AUTH_OPEN, NULL, 0,
addr, sdata->u.ibss.bssid, NULL, 0, 0);
}
@@ -308,7 +301,7 @@ ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata,
* allow new one to be added.
*/
if (local->num_sta >= IEEE80211_IBSS_MAX_STA_ENTRIES) {
- net_dbg_ratelimited("%s: No room for a new IBSS STA entry %pM\n",
+ net_info_ratelimited("%s: No room for a new IBSS STA entry %pM\n",
sdata->name, addr);
rcu_read_lock();
return NULL;
@@ -355,11 +348,9 @@ static void ieee80211_rx_mgmt_auth_ibss(struct ieee80211_sub_if_data *sdata,
if (auth_alg != WLAN_AUTH_OPEN || auth_transaction != 1)
return;
-#ifdef CONFIG_MAC80211_IBSS_DEBUG
- printk(KERN_DEBUG "%s: RX Auth SA=%pM DA=%pM BSSID=%pM."
- "(auth_transaction=%d)\n",
- sdata->name, mgmt->sa, mgmt->da, mgmt->bssid, auth_transaction);
-#endif
+ ibss_dbg(sdata,
+ "RX Auth SA=%pM DA=%pM BSSID=%pM (auth_transaction=%d)\n",
+ mgmt->sa, mgmt->da, mgmt->bssid, auth_transaction);
sta_info_destroy_addr(sdata, mgmt->sa);
ieee80211_ibss_add_sta(sdata, mgmt->bssid, mgmt->sa, 0, false);
rcu_read_unlock();
@@ -422,15 +413,10 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
ieee80211_mandatory_rates(local, band);
if (sta->sta.supp_rates[band] != prev_rates) {
-#ifdef CONFIG_MAC80211_IBSS_DEBUG
- printk(KERN_DEBUG
- "%s: updated supp_rates set "
- "for %pM based on beacon"
- "/probe_resp (0x%x -> 0x%x)\n",
- sdata->name, sta->sta.addr,
- prev_rates,
- sta->sta.supp_rates[band]);
-#endif
+ ibss_dbg(sdata,
+ "updated supp_rates set for %pM based on beacon/probe_resp (0x%x -> 0x%x)\n",
+ sta->sta.addr, prev_rates,
+ sta->sta.supp_rates[band]);
rates_updated = true;
}
} else {
@@ -545,22 +531,18 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
rx_timestamp = drv_get_tsf(local, sdata);
}
-#ifdef CONFIG_MAC80211_IBSS_DEBUG
- printk(KERN_DEBUG "RX beacon SA=%pM BSSID="
- "%pM TSF=0x%llx BCN=0x%llx diff=%lld @%lu\n",
- mgmt->sa, mgmt->bssid,
- (unsigned long long)rx_timestamp,
- (unsigned long long)beacon_timestamp,
- (unsigned long long)(rx_timestamp - beacon_timestamp),
- jiffies);
-#endif
+ ibss_dbg(sdata,
+ "RX beacon SA=%pM BSSID=%pM TSF=0x%llx BCN=0x%llx diff=%lld @%lu\n",
+ mgmt->sa, mgmt->bssid,
+ (unsigned long long)rx_timestamp,
+ (unsigned long long)beacon_timestamp,
+ (unsigned long long)(rx_timestamp - beacon_timestamp),
+ jiffies);
if (beacon_timestamp > rx_timestamp) {
-#ifdef CONFIG_MAC80211_IBSS_DEBUG
- printk(KERN_DEBUG "%s: beacon TSF higher than "
- "local TSF - IBSS merge with BSSID %pM\n",
- sdata->name, mgmt->bssid);
-#endif
+ ibss_dbg(sdata,
+ "beacon TSF higher than local TSF - IBSS merge with BSSID %pM\n",
+ mgmt->bssid);
ieee80211_sta_join_ibss(sdata, bss);
supp_rates = ieee80211_sta_get_rates(local, elems, band, NULL);
ieee80211_ibss_add_sta(sdata, mgmt->bssid, mgmt->sa,
@@ -586,7 +568,7 @@ void ieee80211_ibss_rx_no_sta(struct ieee80211_sub_if_data *sdata,
* allow new one to be added.
*/
if (local->num_sta >= IEEE80211_IBSS_MAX_STA_ENTRIES) {
- net_dbg_ratelimited("%s: No room for a new IBSS STA entry %pM\n",
+ net_info_ratelimited("%s: No room for a new IBSS STA entry %pM\n",
sdata->name, addr);
return;
}
@@ -662,8 +644,8 @@ static void ieee80211_sta_merge_ibss(struct ieee80211_sub_if_data *sdata)
if (ifibss->fixed_channel)
return;
- printk(KERN_DEBUG "%s: No active IBSS STAs - trying to scan for other "
- "IBSS networks with same SSID (merge)\n", sdata->name);
+ sdata_info(sdata,
+ "No active IBSS STAs - trying to scan for other IBSS networks with same SSID (merge)\n");
ieee80211_request_internal_scan(sdata,
ifibss->ssid, ifibss->ssid_len, NULL);
@@ -691,8 +673,7 @@ static void ieee80211_sta_create_ibss(struct ieee80211_sub_if_data *sdata)
bssid[0] |= 0x02;
}
- printk(KERN_DEBUG "%s: Creating new IBSS network, BSSID %pM\n",
- sdata->name, bssid);
+ sdata_info(sdata, "Creating new IBSS network, BSSID %pM\n", bssid);
capability = WLAN_CAPABILITY_IBSS;
@@ -723,10 +704,7 @@ static void ieee80211_sta_find_ibss(struct ieee80211_sub_if_data *sdata)
lockdep_assert_held(&ifibss->mtx);
active_ibss = ieee80211_sta_active_ibss(sdata);
-#ifdef CONFIG_MAC80211_IBSS_DEBUG
- printk(KERN_DEBUG "%s: sta_find_ibss (active_ibss=%d)\n",
- sdata->name, active_ibss);
-#endif /* CONFIG_MAC80211_IBSS_DEBUG */
+ ibss_dbg(sdata, "sta_find_ibss (active_ibss=%d)\n", active_ibss);
if (active_ibss)
return;
@@ -749,29 +727,24 @@ static void ieee80211_sta_find_ibss(struct ieee80211_sub_if_data *sdata)
struct ieee80211_bss *bss;
bss = (void *)cbss->priv;
-#ifdef CONFIG_MAC80211_IBSS_DEBUG
- printk(KERN_DEBUG " sta_find_ibss: selected %pM current "
- "%pM\n", cbss->bssid, ifibss->bssid);
-#endif /* CONFIG_MAC80211_IBSS_DEBUG */
-
- printk(KERN_DEBUG "%s: Selected IBSS BSSID %pM"
- " based on configured SSID\n",
- sdata->name, cbss->bssid);
+ ibss_dbg(sdata,
+ "sta_find_ibss: selected %pM current %pM\n",
+ cbss->bssid, ifibss->bssid);
+ sdata_info(sdata,
+ "Selected IBSS BSSID %pM based on configured SSID\n",
+ cbss->bssid);
ieee80211_sta_join_ibss(sdata, bss);
ieee80211_rx_bss_put(local, bss);
return;
}
-#ifdef CONFIG_MAC80211_IBSS_DEBUG
- printk(KERN_DEBUG " did not try to join ibss\n");
-#endif /* CONFIG_MAC80211_IBSS_DEBUG */
+ ibss_dbg(sdata, "sta_find_ibss: did not try to join ibss\n");
/* Selected IBSS not found in current scan results - try to scan */
if (time_after(jiffies, ifibss->last_scan_completed +
IEEE80211_SCAN_INTERVAL)) {
- printk(KERN_DEBUG "%s: Trigger new scan to find an IBSS to "
- "join\n", sdata->name);
+ sdata_info(sdata, "Trigger new scan to find an IBSS to join\n");
ieee80211_request_internal_scan(sdata,
ifibss->ssid, ifibss->ssid_len,
@@ -785,9 +758,8 @@ static void ieee80211_sta_find_ibss(struct ieee80211_sub_if_data *sdata)
ieee80211_sta_create_ibss(sdata);
return;
}
- printk(KERN_DEBUG "%s: IBSS not allowed on"
- " %d MHz\n", sdata->name,
- local->hw.conf.channel->center_freq);
+ sdata_info(sdata, "IBSS not allowed on %d MHz\n",
+ local->hw.conf.channel->center_freq);
/* No IBSS found - decrease scan interval and continue
* scanning. */
@@ -822,12 +794,9 @@ static void ieee80211_rx_mgmt_probe_req(struct ieee80211_sub_if_data *sdata,
tx_last_beacon = drv_tx_last_beacon(local);
-#ifdef CONFIG_MAC80211_IBSS_DEBUG
- printk(KERN_DEBUG "%s: RX ProbeReq SA=%pM DA=%pM BSSID=%pM"
- " (tx_last_beacon=%d)\n",
- sdata->name, mgmt->sa, mgmt->da,
- mgmt->bssid, tx_last_beacon);
-#endif /* CONFIG_MAC80211_IBSS_DEBUG */
+ ibss_dbg(sdata,
+ "RX ProbeReq SA=%pM DA=%pM BSSID=%pM (tx_last_beacon=%d)\n",
+ mgmt->sa, mgmt->da, mgmt->bssid, tx_last_beacon);
if (!tx_last_beacon && is_multicast_ether_addr(mgmt->da))
return;
@@ -840,11 +809,8 @@ static void ieee80211_rx_mgmt_probe_req(struct ieee80211_sub_if_data *sdata,
pos = mgmt->u.probe_req.variable;
if (pos[0] != WLAN_EID_SSID ||
pos + 2 + pos[1] > end) {
-#ifdef CONFIG_MAC80211_IBSS_DEBUG
- printk(KERN_DEBUG "%s: Invalid SSID IE in ProbeReq "
- "from %pM\n",
- sdata->name, mgmt->sa);
-#endif
+ ibss_dbg(sdata, "Invalid SSID IE in ProbeReq from %pM\n",
+ mgmt->sa);
return;
}
if (pos[1] != 0 &&
@@ -861,10 +827,7 @@ static void ieee80211_rx_mgmt_probe_req(struct ieee80211_sub_if_data *sdata,
resp = (struct ieee80211_mgmt *) skb->data;
memcpy(resp->da, mgmt->sa, ETH_ALEN);
-#ifdef CONFIG_MAC80211_IBSS_DEBUG
- printk(KERN_DEBUG "%s: Sending ProbeResp to %pM\n",
- sdata->name, resp->da);
-#endif /* CONFIG_MAC80211_IBSS_DEBUG */
+ ibss_dbg(sdata, "Sending ProbeResp to %pM\n", resp->da);
IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
ieee80211_tx_skb(sdata, skb);
}
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 3f3cd50..bb61f77 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -30,6 +30,7 @@
#include <net/mac80211.h>
#include "key.h"
#include "sta_info.h"
+#include "debug.h"
struct ieee80211_local;
@@ -55,11 +56,14 @@ struct ieee80211_local;
#define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024))
#define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x))
+/*
+ * Some APs experience problems when working with U-APSD. Decrease the
+ * probability of that happening by using legacy mode for all ACs but VO.
+ * The AP that caused us trouble was a Cisco 4410N. It ignores our
+ * setting, and always treats non-VO ACs as legacy.
+ */
#define IEEE80211_DEFAULT_UAPSD_QUEUES \
- (IEEE80211_WMM_IE_STA_QOSINFO_AC_BK | \
- IEEE80211_WMM_IE_STA_QOSINFO_AC_BE | \
- IEEE80211_WMM_IE_STA_QOSINFO_AC_VI | \
- IEEE80211_WMM_IE_STA_QOSINFO_AC_VO)
+ IEEE80211_WMM_IE_STA_QOSINFO_AC_VO
#define IEEE80211_DEFAULT_MAX_SP_LEN \
IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL
@@ -81,6 +85,8 @@ struct ieee80211_bss {
size_t ssid_len;
u8 ssid[IEEE80211_MAX_SSID_LEN];
+ u32 device_ts;
+
u8 dtim_period;
bool wmm_used;
@@ -203,7 +209,6 @@ typedef unsigned __bitwise__ ieee80211_rx_result;
* enum ieee80211_packet_rx_flags - packet RX flags
* @IEEE80211_RX_RA_MATCH: frame is destined to interface currently processed
* (incl. multicast frames)
- * @IEEE80211_RX_IN_SCAN: received while scanning
* @IEEE80211_RX_FRAGMENTED: fragmented frame
* @IEEE80211_RX_AMSDU: a-MSDU packet
* @IEEE80211_RX_MALFORMED_ACTION_FRM: action frame is malformed
@@ -213,7 +218,6 @@ typedef unsigned __bitwise__ ieee80211_rx_result;
* @rx_flags field of &struct ieee80211_rx_status.
*/
enum ieee80211_packet_rx_flags {
- IEEE80211_RX_IN_SCAN = BIT(0),
IEEE80211_RX_RA_MATCH = BIT(1),
IEEE80211_RX_FRAGMENTED = BIT(2),
IEEE80211_RX_AMSDU = BIT(3),
@@ -317,55 +321,30 @@ struct mesh_preq_queue {
u8 flags;
};
-enum ieee80211_work_type {
- IEEE80211_WORK_ABORT,
- IEEE80211_WORK_REMAIN_ON_CHANNEL,
- IEEE80211_WORK_OFFCHANNEL_TX,
-};
-
-/**
- * enum work_done_result - indicates what to do after work was done
- *
- * @WORK_DONE_DESTROY: This work item is no longer needed, destroy.
- * @WORK_DONE_REQUEUE: This work item was reset to be reused, and
- * should be requeued.
- */
-enum work_done_result {
- WORK_DONE_DESTROY,
- WORK_DONE_REQUEUE,
-};
+#if HZ/100 == 0
+#define IEEE80211_ROC_MIN_LEFT 1
+#else
+#define IEEE80211_ROC_MIN_LEFT (HZ/100)
+#endif
-struct ieee80211_work {
+struct ieee80211_roc_work {
struct list_head list;
+ struct list_head dependents;
- struct rcu_head rcu_head;
+ struct delayed_work work;
struct ieee80211_sub_if_data *sdata;
- enum work_done_result (*done)(struct ieee80211_work *wk,
- struct sk_buff *skb);
-
struct ieee80211_channel *chan;
enum nl80211_channel_type chan_type;
- unsigned long timeout;
- enum ieee80211_work_type type;
+ bool started, abort, hw_begun, notified;
- bool started;
+ unsigned long hw_start_time;
- union {
- struct {
- u32 duration;
- } remain;
- struct {
- struct sk_buff *frame;
- u32 wait;
- bool status;
- } offchan_tx;
- };
-
- size_t data_len;
- u8 data[];
+ u32 duration, req_duration;
+ struct sk_buff *frame;
+ u64 mgmt_tx_cookie;
};
/* flags used in struct ieee80211_if_managed.flags */
@@ -399,7 +378,6 @@ struct ieee80211_mgd_auth_data {
struct ieee80211_mgd_assoc_data {
struct cfg80211_bss *bss;
const u8 *supp_rates;
- const u8 *ht_operation_ie;
unsigned long timeout;
int tries;
@@ -414,6 +392,8 @@ struct ieee80211_mgd_assoc_data {
bool sent_assoc;
bool synced;
+ u8 ap_ht_param;
+
size_t ie_len;
u8 ie[];
};
@@ -532,6 +512,7 @@ struct ieee80211_if_ibss {
bool privacy;
bool control_port;
+ unsigned int auth_frame_registrations;
u8 bssid[ETH_ALEN] __aligned(2);
u8 ssid[IEEE80211_MAX_SSID_LEN];
@@ -701,6 +682,9 @@ struct ieee80211_sub_if_data {
/* TID bitmap for NoAck policy */
u16 noack_map;
+ /* bit field of ACM bits (BIT(802.1D tag)) */
+ u8 wmm_acm;
+
struct ieee80211_key __rcu *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS];
struct ieee80211_key __rcu *default_unicast_key;
struct ieee80211_key __rcu *default_multicast_key;
@@ -847,13 +831,6 @@ struct ieee80211_local {
const struct ieee80211_ops *ops;
/*
- * work stuff, potentially off-channel (in the future)
- */
- struct list_head work_list;
- struct timer_list work_timer;
- struct work_struct work_work;
-
- /*
* private workqueue to mac80211. mac80211 makes this accessible
* via ieee80211_queue_work()
*/
@@ -912,6 +889,9 @@ struct ieee80211_local {
/* device is started */
bool started;
+ /* device is during a HW reconfig */
+ bool in_reconfig;
+
/* wowlan is enabled -- don't reconfig on resume */
bool wowlan;
@@ -985,14 +965,14 @@ struct ieee80211_local {
int scan_channel_idx;
int scan_ies_len;
- bool sched_scanning;
struct ieee80211_sched_scan_ies sched_scan_ies;
struct work_struct sched_scan_stopped_work;
+ struct ieee80211_sub_if_data __rcu *sched_scan_sdata;
unsigned long leave_oper_channel_time;
enum mac80211_scan_state next_scan_state;
struct delayed_work scan_work;
- struct ieee80211_sub_if_data *scan_sdata;
+ struct ieee80211_sub_if_data __rcu *scan_sdata;
enum nl80211_channel_type _oper_channel_type;
struct ieee80211_channel *oper_channel, *csa_channel;
@@ -1034,7 +1014,6 @@ struct ieee80211_local {
unsigned int rx_handlers_drop_nullfunc;
unsigned int rx_handlers_drop_defrag;
unsigned int rx_handlers_drop_short;
- unsigned int rx_handlers_drop_passive_scan;
unsigned int tx_expand_skb_head;
unsigned int tx_expand_skb_head_cloned;
unsigned int rx_expand_skb_head;
@@ -1050,7 +1029,6 @@ struct ieee80211_local {
int total_ps_buffered; /* total number of all buffered unicast and
* multicast packets for power saving stations
*/
- unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */
bool pspolling;
bool offchannel_ps_enabled;
@@ -1087,14 +1065,12 @@ struct ieee80211_local {
} debugfs;
#endif
- struct ieee80211_channel *hw_roc_channel;
- struct net_device *hw_roc_dev;
- struct sk_buff *hw_roc_skb, *hw_roc_skb_for_status;
+ /*
+ * Remain-on-channel support
+ */
+ struct list_head roc_list;
struct work_struct hw_roc_start, hw_roc_done;
- enum nl80211_channel_type hw_roc_channel_type;
- unsigned int hw_roc_duration;
- u32 hw_roc_cookie;
- bool hw_roc_for_tx;
+ unsigned long hw_roc_start_time;
struct idr ack_status_frames;
spinlock_t ack_status_lock;
@@ -1114,6 +1090,12 @@ IEEE80211_DEV_TO_SUB_IF(struct net_device *dev)
return netdev_priv(dev);
}
+static inline struct ieee80211_sub_if_data *
+IEEE80211_WDEV_TO_SUB_IF(struct wireless_dev *wdev)
+{
+ return container_of(wdev, struct ieee80211_sub_if_data, wdev);
+}
+
/* this struct represents 802.11n's RA/TID combination */
struct ieee80211_ra_tid {
u8 ra[ETH_ALEN];
@@ -1264,8 +1246,7 @@ 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);
+void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb);
void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local);
struct ieee80211_bss *
@@ -1290,19 +1271,23 @@ void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local,
bool offchannel_ps_enable);
void ieee80211_offchannel_return(struct ieee80211_local *local,
bool offchannel_ps_disable);
-void ieee80211_hw_roc_setup(struct ieee80211_local *local);
+void ieee80211_roc_setup(struct ieee80211_local *local);
+void ieee80211_start_next_roc(struct ieee80211_local *local);
+void ieee80211_roc_purge(struct ieee80211_sub_if_data *sdata);
+void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc);
+void ieee80211_sw_roc_work(struct work_struct *work);
+void ieee80211_handle_roc_started(struct ieee80211_roc_work *roc);
/* interface handling */
int ieee80211_iface_init(void);
void ieee80211_iface_exit(void);
int ieee80211_if_add(struct ieee80211_local *local, const char *name,
- struct net_device **new_dev, enum nl80211_iftype type,
+ struct wireless_dev **new_wdev, enum nl80211_iftype type,
struct vif_params *params);
int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata,
enum nl80211_iftype type);
void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata);
void ieee80211_remove_interfaces(struct ieee80211_local *local);
-u32 __ieee80211_recalc_idle(struct ieee80211_local *local);
void ieee80211_recalc_idle(struct ieee80211_local *local);
void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata,
const int offset);
@@ -1499,18 +1484,12 @@ u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap,
struct ieee80211_channel *channel,
enum nl80211_channel_type channel_type,
u16 prot_mode);
-
-/* internal work items */
-void ieee80211_work_init(struct ieee80211_local *local);
-void ieee80211_add_work(struct ieee80211_work *wk);
-void free_work(struct ieee80211_work *wk);
-void ieee80211_work_purge(struct ieee80211_sub_if_data *sdata);
-int ieee80211_wk_remain_on_channel(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_channel *chan,
- enum nl80211_channel_type channel_type,
- unsigned int duration, u64 *cookie);
-int ieee80211_wk_cancel_remain_on_channel(
- struct ieee80211_sub_if_data *sdata, u64 cookie);
+u8 *ieee80211_ie_build_vht_cap(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap,
+ u32 cap);
+int ieee80211_add_srates_ie(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb, bool need_basic);
+int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb, bool need_basic);
/* channel management */
enum ieee80211_chan_mode {
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 8664111..bfb57dc 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -43,6 +43,128 @@
*/
+static u32 ieee80211_idle_off(struct ieee80211_local *local,
+ const char *reason)
+{
+ if (!(local->hw.conf.flags & IEEE80211_CONF_IDLE))
+ return 0;
+
+ local->hw.conf.flags &= ~IEEE80211_CONF_IDLE;
+ return IEEE80211_CONF_CHANGE_IDLE;
+}
+
+static u32 ieee80211_idle_on(struct ieee80211_local *local)
+{
+ if (local->hw.conf.flags & IEEE80211_CONF_IDLE)
+ return 0;
+
+ drv_flush(local, false);
+
+ local->hw.conf.flags |= IEEE80211_CONF_IDLE;
+ return IEEE80211_CONF_CHANGE_IDLE;
+}
+
+static u32 __ieee80211_recalc_idle(struct ieee80211_local *local)
+{
+ struct ieee80211_sub_if_data *sdata;
+ int count = 0;
+ bool working = false, scanning = false;
+ unsigned int led_trig_start = 0, led_trig_stop = 0;
+ struct ieee80211_roc_work *roc;
+
+#ifdef CONFIG_PROVE_LOCKING
+ WARN_ON(debug_locks && !lockdep_rtnl_is_held() &&
+ !lockdep_is_held(&local->iflist_mtx));
+#endif
+ lockdep_assert_held(&local->mtx);
+
+ list_for_each_entry(sdata, &local->interfaces, list) {
+ if (!ieee80211_sdata_running(sdata)) {
+ sdata->vif.bss_conf.idle = true;
+ continue;
+ }
+
+ sdata->old_idle = sdata->vif.bss_conf.idle;
+
+ /* do not count disabled managed interfaces */
+ if (sdata->vif.type == NL80211_IFTYPE_STATION &&
+ !sdata->u.mgd.associated &&
+ !sdata->u.mgd.auth_data &&
+ !sdata->u.mgd.assoc_data) {
+ sdata->vif.bss_conf.idle = true;
+ continue;
+ }
+ /* do not count unused IBSS interfaces */
+ if (sdata->vif.type == NL80211_IFTYPE_ADHOC &&
+ !sdata->u.ibss.ssid_len) {
+ sdata->vif.bss_conf.idle = true;
+ continue;
+ }
+ /* count everything else */
+ sdata->vif.bss_conf.idle = false;
+ count++;
+ }
+
+ if (!local->ops->remain_on_channel) {
+ list_for_each_entry(roc, &local->roc_list, list) {
+ working = true;
+ roc->sdata->vif.bss_conf.idle = false;
+ }
+ }
+
+ sdata = rcu_dereference_protected(local->scan_sdata,
+ lockdep_is_held(&local->mtx));
+ if (sdata && !(local->hw.flags & IEEE80211_HW_SCAN_WHILE_IDLE)) {
+ scanning = true;
+ sdata->vif.bss_conf.idle = false;
+ }
+
+ list_for_each_entry(sdata, &local->interfaces, list) {
+ if (sdata->vif.type == NL80211_IFTYPE_MONITOR ||
+ sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
+ continue;
+ if (sdata->old_idle == sdata->vif.bss_conf.idle)
+ continue;
+ if (!ieee80211_sdata_running(sdata))
+ continue;
+ ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_IDLE);
+ }
+
+ if (working || scanning)
+ led_trig_start |= IEEE80211_TPT_LEDTRIG_FL_WORK;
+ else
+ led_trig_stop |= IEEE80211_TPT_LEDTRIG_FL_WORK;
+
+ if (count)
+ led_trig_start |= IEEE80211_TPT_LEDTRIG_FL_CONNECTED;
+ else
+ led_trig_stop |= IEEE80211_TPT_LEDTRIG_FL_CONNECTED;
+
+ ieee80211_mod_tpt_led_trig(local, led_trig_start, led_trig_stop);
+
+ if (working)
+ return ieee80211_idle_off(local, "working");
+ if (scanning)
+ return ieee80211_idle_off(local, "scanning");
+ if (!count)
+ return ieee80211_idle_on(local);
+ else
+ return ieee80211_idle_off(local, "in use");
+
+ return 0;
+}
+
+void ieee80211_recalc_idle(struct ieee80211_local *local)
+{
+ u32 chg;
+
+ mutex_lock(&local->iflist_mtx);
+ chg = __ieee80211_recalc_idle(local);
+ mutex_unlock(&local->iflist_mtx);
+ if (chg)
+ ieee80211_hw_config(local, chg);
+}
+
static int ieee80211_change_mtu(struct net_device *dev, int new_mtu)
{
int meshhdrlen;
@@ -57,9 +179,6 @@ static int ieee80211_change_mtu(struct net_device *dev, int new_mtu)
return -EINVAL;
}
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- printk(KERN_DEBUG "%s: setting MTU %d\n", dev->name, new_mtu);
-#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
dev->mtu = new_mtu;
return 0;
}
@@ -100,15 +219,12 @@ static int ieee80211_check_concurrent_iface(struct ieee80211_sub_if_data *sdata,
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_sub_if_data *nsdata;
- struct net_device *dev = sdata->dev;
ASSERT_RTNL();
/* we hold the RTNL here so can safely walk the list */
list_for_each_entry(nsdata, &local->interfaces, list) {
- struct net_device *ndev = nsdata->dev;
-
- if (ndev != dev && ieee80211_sdata_running(nsdata)) {
+ if (nsdata != sdata && ieee80211_sdata_running(nsdata)) {
/*
* Allow only a single IBSS interface to be up at any
* time. This is restricted because beacon distribution
@@ -127,7 +243,8 @@ static int ieee80211_check_concurrent_iface(struct ieee80211_sub_if_data *sdata,
* The remaining checks are only performed for interfaces
* with the same MAC address.
*/
- if (!ether_addr_equal(dev->dev_addr, ndev->dev_addr))
+ if (!ether_addr_equal(sdata->vif.addr,
+ nsdata->vif.addr))
continue;
/*
@@ -217,17 +334,21 @@ static void ieee80211_set_default_queues(struct ieee80211_sub_if_data *sdata)
static int ieee80211_add_virtual_monitor(struct ieee80211_local *local)
{
struct ieee80211_sub_if_data *sdata;
- int ret;
+ int ret = 0;
if (!(local->hw.flags & IEEE80211_HW_WANT_MONITOR_VIF))
return 0;
+ mutex_lock(&local->iflist_mtx);
+
if (local->monitor_sdata)
- return 0;
+ goto out_unlock;
sdata = kzalloc(sizeof(*sdata) + local->hw.vif_data_size, GFP_KERNEL);
- if (!sdata)
- return -ENOMEM;
+ if (!sdata) {
+ ret = -ENOMEM;
+ goto out_unlock;
+ }
/* set up data */
sdata->local = local;
@@ -241,18 +362,19 @@ static int ieee80211_add_virtual_monitor(struct ieee80211_local *local)
if (WARN_ON(ret)) {
/* ok .. stupid driver, it asked for this! */
kfree(sdata);
- return ret;
+ goto out_unlock;
}
ret = ieee80211_check_queues(sdata);
if (ret) {
kfree(sdata);
- return ret;
+ goto out_unlock;
}
rcu_assign_pointer(local->monitor_sdata, sdata);
-
- return 0;
+ out_unlock:
+ mutex_unlock(&local->iflist_mtx);
+ return ret;
}
static void ieee80211_del_virtual_monitor(struct ieee80211_local *local)
@@ -262,10 +384,12 @@ static void ieee80211_del_virtual_monitor(struct ieee80211_local *local)
if (!(local->hw.flags & IEEE80211_HW_WANT_MONITOR_VIF))
return;
- sdata = rtnl_dereference(local->monitor_sdata);
+ mutex_lock(&local->iflist_mtx);
+ sdata = rcu_dereference_protected(local->monitor_sdata,
+ lockdep_is_held(&local->iflist_mtx));
if (!sdata)
- return;
+ goto out_unlock;
rcu_assign_pointer(local->monitor_sdata, NULL);
synchronize_net();
@@ -273,6 +397,8 @@ static void ieee80211_del_virtual_monitor(struct ieee80211_local *local)
drv_remove_interface(local, sdata);
kfree(sdata);
+ out_unlock:
+ mutex_unlock(&local->iflist_mtx);
}
/*
@@ -520,7 +646,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
clear_bit(SDATA_STATE_RUNNING, &sdata->state);
- if (local->scan_sdata == sdata)
+ if (rcu_access_pointer(local->scan_sdata) == sdata)
ieee80211_scan_cancel(local);
/*
@@ -528,10 +654,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
*/
netif_tx_stop_all_queues(sdata->dev);
- /*
- * Purge work for this interface.
- */
- ieee80211_work_purge(sdata);
+ ieee80211_roc_purge(sdata);
/*
* Remove all stations associated with this interface.
@@ -637,18 +760,6 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
ieee80211_configure_filter(local);
break;
default:
- mutex_lock(&local->mtx);
- if (local->hw_roc_dev == sdata->dev &&
- local->hw_roc_channel) {
- /* ignore return value since this is racy */
- drv_cancel_remain_on_channel(local);
- ieee80211_queue_work(&local->hw, &local->hw_roc_done);
- }
- mutex_unlock(&local->mtx);
-
- flush_work(&local->hw_roc_start);
- flush_work(&local->hw_roc_done);
-
flush_work(&sdata->work);
/*
* When we get here, the interface is marked down.
@@ -823,7 +934,7 @@ static u16 ieee80211_monitor_select_queue(struct net_device *dev,
hdr = (void *)((u8 *)skb->data + le16_to_cpu(rtap->it_len));
- return ieee80211_select_queue_80211(local, skb, hdr);
+ return ieee80211_select_queue_80211(sdata, skb, hdr);
}
static const struct net_device_ops ieee80211_monitorif_ops = {
@@ -1238,7 +1349,7 @@ static void ieee80211_assign_perm_addr(struct ieee80211_local *local,
if (__ffs64(mask) + hweight64(mask) != fls64(mask)) {
/* not a contiguous mask ... not handled now! */
- printk(KERN_DEBUG "not contiguous\n");
+ pr_info("not contiguous\n");
break;
}
@@ -1284,7 +1395,7 @@ static void ieee80211_assign_perm_addr(struct ieee80211_local *local,
}
int ieee80211_if_add(struct ieee80211_local *local, const char *name,
- struct net_device **new_dev, enum nl80211_iftype type,
+ struct wireless_dev **new_wdev, enum nl80211_iftype type,
struct vif_params *params)
{
struct net_device *ndev;
@@ -1364,6 +1475,8 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name,
sdata->u.mgd.use_4addr = params->use_4addr;
}
+ ndev->features |= local->hw.netdev_features;
+
ret = register_netdevice(ndev);
if (ret)
goto fail;
@@ -1372,8 +1485,8 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name,
list_add_tail_rcu(&sdata->list, &local->interfaces);
mutex_unlock(&local->iflist_mtx);
- if (new_dev)
- *new_dev = ndev;
+ if (new_wdev)
+ *new_wdev = &sdata->wdev;
return 0;
@@ -1421,138 +1534,6 @@ void ieee80211_remove_interfaces(struct ieee80211_local *local)
list_del(&unreg_list);
}
-static u32 ieee80211_idle_off(struct ieee80211_local *local,
- const char *reason)
-{
- if (!(local->hw.conf.flags & IEEE80211_CONF_IDLE))
- return 0;
-
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- wiphy_debug(local->hw.wiphy, "device no longer idle - %s\n", reason);
-#endif
-
- local->hw.conf.flags &= ~IEEE80211_CONF_IDLE;
- return IEEE80211_CONF_CHANGE_IDLE;
-}
-
-static u32 ieee80211_idle_on(struct ieee80211_local *local)
-{
- if (local->hw.conf.flags & IEEE80211_CONF_IDLE)
- return 0;
-
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- wiphy_debug(local->hw.wiphy, "device now idle\n");
-#endif
-
- drv_flush(local, false);
-
- local->hw.conf.flags |= IEEE80211_CONF_IDLE;
- return IEEE80211_CONF_CHANGE_IDLE;
-}
-
-u32 __ieee80211_recalc_idle(struct ieee80211_local *local)
-{
- struct ieee80211_sub_if_data *sdata;
- int count = 0;
- bool working = false, scanning = false, hw_roc = false;
- struct ieee80211_work *wk;
- unsigned int led_trig_start = 0, led_trig_stop = 0;
-
-#ifdef CONFIG_PROVE_LOCKING
- WARN_ON(debug_locks && !lockdep_rtnl_is_held() &&
- !lockdep_is_held(&local->iflist_mtx));
-#endif
- lockdep_assert_held(&local->mtx);
-
- list_for_each_entry(sdata, &local->interfaces, list) {
- if (!ieee80211_sdata_running(sdata)) {
- sdata->vif.bss_conf.idle = true;
- continue;
- }
-
- sdata->old_idle = sdata->vif.bss_conf.idle;
-
- /* do not count disabled managed interfaces */
- if (sdata->vif.type == NL80211_IFTYPE_STATION &&
- !sdata->u.mgd.associated &&
- !sdata->u.mgd.auth_data &&
- !sdata->u.mgd.assoc_data) {
- sdata->vif.bss_conf.idle = true;
- continue;
- }
- /* do not count unused IBSS interfaces */
- if (sdata->vif.type == NL80211_IFTYPE_ADHOC &&
- !sdata->u.ibss.ssid_len) {
- sdata->vif.bss_conf.idle = true;
- continue;
- }
- /* count everything else */
- sdata->vif.bss_conf.idle = false;
- count++;
- }
-
- list_for_each_entry(wk, &local->work_list, list) {
- working = true;
- wk->sdata->vif.bss_conf.idle = false;
- }
-
- if (local->scan_sdata &&
- !(local->hw.flags & IEEE80211_HW_SCAN_WHILE_IDLE)) {
- scanning = true;
- local->scan_sdata->vif.bss_conf.idle = false;
- }
-
- if (local->hw_roc_channel)
- hw_roc = true;
-
- list_for_each_entry(sdata, &local->interfaces, list) {
- if (sdata->vif.type == NL80211_IFTYPE_MONITOR ||
- sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
- continue;
- if (sdata->old_idle == sdata->vif.bss_conf.idle)
- continue;
- if (!ieee80211_sdata_running(sdata))
- continue;
- ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_IDLE);
- }
-
- if (working || scanning || hw_roc)
- led_trig_start |= IEEE80211_TPT_LEDTRIG_FL_WORK;
- else
- led_trig_stop |= IEEE80211_TPT_LEDTRIG_FL_WORK;
-
- if (count)
- led_trig_start |= IEEE80211_TPT_LEDTRIG_FL_CONNECTED;
- else
- led_trig_stop |= IEEE80211_TPT_LEDTRIG_FL_CONNECTED;
-
- ieee80211_mod_tpt_led_trig(local, led_trig_start, led_trig_stop);
-
- if (hw_roc)
- return ieee80211_idle_off(local, "hw remain-on-channel");
- if (working)
- return ieee80211_idle_off(local, "working");
- if (scanning)
- return ieee80211_idle_off(local, "scanning");
- if (!count)
- return ieee80211_idle_on(local);
- else
- return ieee80211_idle_off(local, "in use");
-
- return 0;
-}
-
-void ieee80211_recalc_idle(struct ieee80211_local *local)
-{
- u32 chg;
-
- mutex_lock(&local->iflist_mtx);
- chg = __ieee80211_recalc_idle(local);
- mutex_unlock(&local->iflist_mtx);
- if (chg)
- ieee80211_hw_config(local, chg);
-}
-
static int netdev_notify(struct notifier_block *nb,
unsigned long state,
void *ndev)
diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index 5bb600d..7ae678b 100644
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -139,7 +139,7 @@ static int ieee80211_key_enable_hw_accel(struct ieee80211_key *key)
}
if (ret != -ENOSPC && ret != -EOPNOTSUPP)
- wiphy_err(key->local->hw.wiphy,
+ sdata_err(sdata,
"failed to set key (%d, %pM) to hardware (%d)\n",
key->conf.keyidx,
sta ? sta->sta.addr : bcast_addr, ret);
@@ -186,7 +186,7 @@ static void ieee80211_key_disable_hw_accel(struct ieee80211_key *key)
sta ? &sta->sta : NULL, &key->conf);
if (ret)
- wiphy_err(key->local->hw.wiphy,
+ sdata_err(sdata,
"failed to remove key (%d, %pM) from hardware (%d)\n",
key->conf.keyidx,
sta ? sta->sta.addr : bcast_addr, ret);
@@ -194,26 +194,6 @@ static void ieee80211_key_disable_hw_accel(struct ieee80211_key *key)
key->flags &= ~KEY_FLAG_UPLOADED_TO_HARDWARE;
}
-void ieee80211_key_removed(struct ieee80211_key_conf *key_conf)
-{
- struct ieee80211_key *key;
-
- key = container_of(key_conf, struct ieee80211_key, conf);
-
- might_sleep();
- assert_key_lock(key->local);
-
- key->flags &= ~KEY_FLAG_UPLOADED_TO_HARDWARE;
-
- /*
- * Flush TX path to avoid attempts to use this key
- * after this function returns. Until then, drivers
- * must be prepared to handle the key.
- */
- synchronize_rcu();
-}
-EXPORT_SYMBOL_GPL(ieee80211_key_removed);
-
static void __ieee80211_set_default_key(struct ieee80211_sub_if_data *sdata,
int idx, bool uni, bool multi)
{
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index f5548e9..c26e231 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -322,7 +322,8 @@ static void ieee80211_restart_work(struct work_struct *work)
mutex_lock(&local->mtx);
WARN(test_bit(SCAN_HW_SCANNING, &local->scanning) ||
- local->sched_scanning,
+ rcu_dereference_protected(local->sched_scan_sdata,
+ lockdep_is_held(&local->mtx)),
"%s called with hardware scan in progress\n", __func__);
mutex_unlock(&local->mtx);
@@ -345,6 +346,13 @@ void ieee80211_restart_hw(struct ieee80211_hw *hw)
ieee80211_stop_queues_by_reason(hw,
IEEE80211_QUEUE_STOP_REASON_SUSPEND);
+ /*
+ * Stop all Rx during the reconfig. We don't want state changes
+ * or driver callbacks while this is in progress.
+ */
+ local->in_reconfig = true;
+ barrier();
+
schedule_work(&local->restart_work);
}
EXPORT_SYMBOL(ieee80211_restart_hw);
@@ -455,7 +463,9 @@ static const struct ieee80211_txrx_stypes
ieee80211_default_mgmt_stypes[NUM_NL80211_IFTYPES] = {
[NL80211_IFTYPE_ADHOC] = {
.tx = 0xffff,
- .rx = BIT(IEEE80211_STYPE_ACTION >> 4),
+ .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
+ BIT(IEEE80211_STYPE_AUTH >> 4) |
+ BIT(IEEE80211_STYPE_DEAUTH >> 4),
},
[NL80211_IFTYPE_STATION] = {
.tx = 0xffff,
@@ -578,7 +588,7 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
local->hw.priv = (char *)local + ALIGN(sizeof(*local), NETDEV_ALIGN);
- BUG_ON(!ops->tx && !ops->tx_frags);
+ BUG_ON(!ops->tx);
BUG_ON(!ops->start);
BUG_ON(!ops->stop);
BUG_ON(!ops->config);
@@ -625,8 +635,6 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
INIT_DELAYED_WORK(&local->scan_work, ieee80211_scan_work);
- ieee80211_work_init(local);
-
INIT_WORK(&local->restart_work, ieee80211_restart_work);
INIT_WORK(&local->reconfig_filter, ieee80211_reconfig_filter);
@@ -669,7 +677,7 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
ieee80211_led_names(local);
- ieee80211_hw_roc_setup(local);
+ ieee80211_roc_setup(local);
return &local->hw;
}
@@ -681,7 +689,8 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
int result, i;
enum ieee80211_band band;
int channels, max_bitrates;
- bool supp_ht;
+ bool supp_ht, supp_vht;
+ netdev_features_t feature_whitelist;
static const u32 cipher_suites[] = {
/* keep WEP first, it may be removed below */
WLAN_CIPHER_SUITE_WEP40,
@@ -698,16 +707,21 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
local->hw.offchannel_tx_hw_queue >= local->hw.queues))
return -EINVAL;
- if ((hw->wiphy->wowlan.flags || hw->wiphy->wowlan.n_patterns)
#ifdef CONFIG_PM
- && (!local->ops->suspend || !local->ops->resume)
-#endif
- )
+ if ((hw->wiphy->wowlan.flags || hw->wiphy->wowlan.n_patterns) &&
+ (!local->ops->suspend || !local->ops->resume))
return -EINVAL;
+#endif
if ((hw->flags & IEEE80211_HW_SCAN_WHILE_IDLE) && !local->ops->hw_scan)
return -EINVAL;
+ /* Only HW csum features are currently compatible with mac80211 */
+ feature_whitelist = NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
+ NETIF_F_HW_CSUM;
+ if (WARN_ON(hw->netdev_features & ~feature_whitelist))
+ return -EINVAL;
+
if (hw->max_report_rates == 0)
hw->max_report_rates = hw->max_rates;
@@ -719,6 +733,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
channels = 0;
max_bitrates = 0;
supp_ht = false;
+ supp_vht = false;
for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
struct ieee80211_supported_band *sband;
@@ -736,6 +751,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
if (max_bitrates < sband->n_bitrates)
max_bitrates = sband->n_bitrates;
supp_ht = supp_ht || sband->ht_cap.ht_supported;
+ supp_vht = supp_vht || sband->vht_cap.vht_supported;
}
local->int_scan_req = kzalloc(sizeof(*local->int_scan_req) +
@@ -811,6 +827,10 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
if (supp_ht)
local->scan_ies_len += 2 + sizeof(struct ieee80211_ht_cap);
+ if (supp_vht)
+ local->scan_ies_len +=
+ 2 + sizeof(struct ieee80211_vht_capabilities);
+
if (!local->ops->hw_scan) {
/* For hw_scan, driver needs to set these up. */
local->hw.wiphy->max_scan_ssids = 4;
@@ -1009,12 +1029,6 @@ void ieee80211_unregister_hw(struct ieee80211_hw *hw)
rtnl_unlock();
- /*
- * Now all work items will be gone, but the
- * timer might still be armed, so delete it
- */
- del_timer_sync(&local->work_timer);
-
cancel_work_sync(&local->restart_work);
cancel_work_sync(&local->reconfig_filter);
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 2913113..6fac18c 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -133,7 +133,7 @@ bool mesh_peer_accepts_plinks(struct ieee802_11_elems *ie)
}
/**
- * mesh_accept_plinks_update: update accepting_plink in local mesh beacons
+ * mesh_accept_plinks_update - update accepting_plink in local mesh beacons
*
* @sdata: mesh interface in which mesh beacons are going to be updated
*/
@@ -443,7 +443,7 @@ static void ieee80211_mesh_path_root_timer(unsigned long data)
void ieee80211_mesh_root_setup(struct ieee80211_if_mesh *ifmsh)
{
- if (ifmsh->mshcfg.dot11MeshHWMPRootMode)
+ if (ifmsh->mshcfg.dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)
set_bit(MESH_WORK_ROOT, &ifmsh->wrkq_flags);
else {
clear_bit(MESH_WORK_ROOT, &ifmsh->wrkq_flags);
@@ -523,11 +523,6 @@ static void ieee80211_mesh_housekeeping(struct ieee80211_sub_if_data *sdata,
{
bool free_plinks;
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- printk(KERN_DEBUG "%s: running mesh housekeeping\n",
- sdata->name);
-#endif
-
ieee80211_sta_expire(sdata, IEEE80211_MESH_PEER_INACTIVITY_LIMIT);
mesh_path_expire(sdata);
@@ -542,11 +537,17 @@ static void ieee80211_mesh_housekeeping(struct ieee80211_sub_if_data *sdata,
static void ieee80211_mesh_rootpath(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
+ u32 interval;
mesh_path_tx_root_frame(sdata);
+
+ if (ifmsh->mshcfg.dot11MeshHWMPRootMode == IEEE80211_PROACTIVE_RANN)
+ interval = ifmsh->mshcfg.dot11MeshHWMPRannInterval;
+ else
+ interval = ifmsh->mshcfg.dot11MeshHWMProotInterval;
+
mod_timer(&ifmsh->mesh_path_root_timer,
- round_jiffies(TU_TO_EXP_TIME(
- ifmsh->mshcfg.dot11MeshHWMPRannInterval)));
+ round_jiffies(TU_TO_EXP_TIME(interval)));
}
#ifdef CONFIG_PM
diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h
index e364275..faaa39b 100644
--- a/net/mac80211/mesh.h
+++ b/net/mac80211/mesh.h
@@ -104,6 +104,7 @@ enum mesh_deferred_task_flags {
* an mpath to a hash bucket on a path table.
* @rann_snd_addr: the RANN sender address
* @rann_metric: the aggregated path metric towards the root node
+ * @last_preq_to_root: Timestamp of last PREQ sent to root
* @is_root: the destination station of this path is a root node
* @is_gate: the destination station of this path is a mesh gate
*
@@ -131,6 +132,7 @@ struct mesh_path {
spinlock_t state_lock;
u8 rann_snd_addr[ETH_ALEN];
u32 rann_metric;
+ unsigned long last_preq_to_root;
bool is_root;
bool is_gate;
};
@@ -245,7 +247,7 @@ void mesh_rmc_free(struct ieee80211_sub_if_data *sdata);
int mesh_rmc_init(struct ieee80211_sub_if_data *sdata);
void ieee80211s_init(void);
void ieee80211s_update_metric(struct ieee80211_local *local,
- struct sta_info *stainfo, struct sk_buff *skb);
+ struct sta_info *sta, struct sk_buff *skb);
void ieee80211s_stop(void);
void ieee80211_mesh_init_sdata(struct ieee80211_sub_if_data *sdata);
void ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata);
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index 9b59658..494bc39 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -13,13 +13,6 @@
#include "wme.h"
#include "mesh.h"
-#ifdef CONFIG_MAC80211_VERBOSE_MHWMP_DEBUG
-#define mhwmp_dbg(fmt, args...) \
- printk(KERN_DEBUG "Mesh HWMP (%s): " fmt "\n", sdata->name, ##args)
-#else
-#define mhwmp_dbg(fmt, args...) do { (void)(0); } while (0)
-#endif
-
#define TEST_FRAME_LEN 8192
#define MAX_METRIC 0xffffffff
#define ARITH_SHIFT 8
@@ -98,6 +91,8 @@ static inline u32 u16_field_get(u8 *preq_elem, int offset, bool ae)
#define max_preq_retries(s) (s->u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries)
#define disc_timeout_jiff(s) \
msecs_to_jiffies(sdata->u.mesh.mshcfg.min_discovery_timeout)
+#define root_path_confirmation_jiffies(s) \
+ msecs_to_jiffies(sdata->u.mesh.mshcfg.dot11MeshHWMPconfirmationInterval)
enum mpath_frame_type {
MPATH_PREQ = 0,
@@ -142,19 +137,19 @@ static int mesh_path_sel_frame_tx(enum mpath_frame_type action, u8 flags,
switch (action) {
case MPATH_PREQ:
- mhwmp_dbg("sending PREQ to %pM", target);
+ mhwmp_dbg(sdata, "sending PREQ to %pM\n", target);
ie_len = 37;
pos = skb_put(skb, 2 + ie_len);
*pos++ = WLAN_EID_PREQ;
break;
case MPATH_PREP:
- mhwmp_dbg("sending PREP to %pM", target);
+ mhwmp_dbg(sdata, "sending PREP to %pM\n", target);
ie_len = 31;
pos = skb_put(skb, 2 + ie_len);
*pos++ = WLAN_EID_PREP;
break;
case MPATH_RANN:
- mhwmp_dbg("sending RANN from %pM", orig_addr);
+ mhwmp_dbg(sdata, "sending RANN from %pM\n", orig_addr);
ie_len = sizeof(struct ieee80211_rann_ie);
pos = skb_put(skb, 2 + ie_len);
*pos++ = WLAN_EID_RANN;
@@ -303,7 +298,7 @@ int mesh_path_error_tx(u8 ttl, u8 *target, __le32 target_sn,
}
void ieee80211s_update_metric(struct ieee80211_local *local,
- struct sta_info *stainfo, struct sk_buff *skb)
+ struct sta_info *sta, struct sk_buff *skb)
{
struct ieee80211_tx_info *txinfo = IEEE80211_SKB_CB(skb);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
@@ -315,15 +310,14 @@ void ieee80211s_update_metric(struct ieee80211_local *local,
failed = !(txinfo->flags & IEEE80211_TX_STAT_ACK);
/* moving average, scaled to 100 */
- stainfo->fail_avg = ((80 * stainfo->fail_avg + 5) / 100 + 20 * failed);
- if (stainfo->fail_avg > 95)
- mesh_plink_broken(stainfo);
+ sta->fail_avg = ((80 * sta->fail_avg + 5) / 100 + 20 * failed);
+ if (sta->fail_avg > 95)
+ mesh_plink_broken(sta);
}
static u32 airtime_link_metric_get(struct ieee80211_local *local,
struct sta_info *sta)
{
- struct ieee80211_supported_band *sband;
struct rate_info rinfo;
/* This should be adjusted for each device */
int device_constant = 1 << ARITH_SHIFT;
@@ -333,8 +327,6 @@ static u32 airtime_link_metric_get(struct ieee80211_local *local,
u32 tx_time, estimated_retx;
u64 result;
- sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
-
if (sta->fail_avg >= 100)
return MAX_METRIC;
@@ -519,10 +511,11 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata,
struct mesh_path *mpath = NULL;
u8 *target_addr, *orig_addr;
const u8 *da;
- u8 target_flags, ttl;
- u32 orig_sn, target_sn, lifetime;
+ u8 target_flags, ttl, flags;
+ u32 orig_sn, target_sn, lifetime, orig_metric;
bool reply = false;
bool forward = true;
+ bool root_is_gate;
/* Update target SN, if present */
target_addr = PREQ_IE_TARGET_ADDR(preq_elem);
@@ -530,11 +523,15 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata,
target_sn = PREQ_IE_TARGET_SN(preq_elem);
orig_sn = PREQ_IE_ORIG_SN(preq_elem);
target_flags = PREQ_IE_TARGET_F(preq_elem);
+ orig_metric = metric;
+ /* Proactive PREQ gate announcements */
+ flags = PREQ_IE_FLAGS(preq_elem);
+ root_is_gate = !!(flags & RANN_FLAG_IS_GATE);
- mhwmp_dbg("received PREQ from %pM", orig_addr);
+ mhwmp_dbg(sdata, "received PREQ from %pM\n", orig_addr);
if (ether_addr_equal(target_addr, sdata->vif.addr)) {
- mhwmp_dbg("PREQ is for us");
+ mhwmp_dbg(sdata, "PREQ is for us\n");
forward = false;
reply = true;
metric = 0;
@@ -544,6 +541,22 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata,
target_sn = ++ifmsh->sn;
ifmsh->last_sn_update = jiffies;
}
+ } else if (is_broadcast_ether_addr(target_addr) &&
+ (target_flags & IEEE80211_PREQ_TO_FLAG)) {
+ rcu_read_lock();
+ mpath = mesh_path_lookup(orig_addr, sdata);
+ if (mpath) {
+ if (flags & IEEE80211_PREQ_PROACTIVE_PREP_FLAG) {
+ reply = true;
+ target_addr = sdata->vif.addr;
+ target_sn = ++ifmsh->sn;
+ metric = 0;
+ ifmsh->last_sn_update = jiffies;
+ }
+ if (root_is_gate)
+ mesh_path_add_gate(mpath);
+ }
+ rcu_read_unlock();
} else {
rcu_read_lock();
mpath = mesh_path_lookup(target_addr, sdata);
@@ -570,19 +583,20 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata,
lifetime = PREQ_IE_LIFETIME(preq_elem);
ttl = ifmsh->mshcfg.element_ttl;
if (ttl != 0) {
- mhwmp_dbg("replying to the PREQ");
+ mhwmp_dbg(sdata, "replying to the PREQ\n");
mesh_path_sel_frame_tx(MPATH_PREP, 0, orig_addr,
cpu_to_le32(orig_sn), 0, target_addr,
cpu_to_le32(target_sn), mgmt->sa, 0, ttl,
cpu_to_le32(lifetime), cpu_to_le32(metric),
0, sdata);
- } else
+ } else {
ifmsh->mshstats.dropped_frames_ttl++;
+ }
}
if (forward && ifmsh->mshcfg.dot11MeshForwarding) {
u32 preq_id;
- u8 hopcount, flags;
+ u8 hopcount;
ttl = PREQ_IE_TTL(preq_elem);
lifetime = PREQ_IE_LIFETIME(preq_elem);
@@ -590,13 +604,19 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata,
ifmsh->mshstats.dropped_frames_ttl++;
return;
}
- mhwmp_dbg("forwarding the PREQ from %pM", orig_addr);
+ mhwmp_dbg(sdata, "forwarding the PREQ from %pM\n", orig_addr);
--ttl;
- flags = PREQ_IE_FLAGS(preq_elem);
preq_id = PREQ_IE_PREQ_ID(preq_elem);
hopcount = PREQ_IE_HOPCOUNT(preq_elem) + 1;
da = (mpath && mpath->is_root) ?
mpath->rann_snd_addr : broadcast_addr;
+
+ if (flags & IEEE80211_PREQ_PROACTIVE_PREP_FLAG) {
+ target_addr = PREQ_IE_TARGET_ADDR(preq_elem);
+ target_sn = PREQ_IE_TARGET_SN(preq_elem);
+ metric = orig_metric;
+ }
+
mesh_path_sel_frame_tx(MPATH_PREQ, flags, orig_addr,
cpu_to_le32(orig_sn), target_flags, target_addr,
cpu_to_le32(target_sn), da,
@@ -631,7 +651,8 @@ static void hwmp_prep_frame_process(struct ieee80211_sub_if_data *sdata,
u8 next_hop[ETH_ALEN];
u32 target_sn, orig_sn, lifetime;
- mhwmp_dbg("received PREP from %pM", PREP_IE_ORIG_ADDR(prep_elem));
+ mhwmp_dbg(sdata, "received PREP from %pM\n",
+ PREP_IE_ORIG_ADDR(prep_elem));
orig_addr = PREP_IE_ORIG_ADDR(prep_elem);
if (ether_addr_equal(orig_addr, sdata->vif.addr))
@@ -744,11 +765,6 @@ static void hwmp_rann_frame_process(struct ieee80211_sub_if_data *sdata,
bool root_is_gate;
ttl = rann->rann_ttl;
- if (ttl <= 1) {
- ifmsh->mshstats.dropped_frames_ttl++;
- return;
- }
- ttl--;
flags = rann->rann_flags;
root_is_gate = !!(flags & RANN_FLAG_IS_GATE);
orig_addr = rann->rann_addr;
@@ -762,8 +778,9 @@ static void hwmp_rann_frame_process(struct ieee80211_sub_if_data *sdata,
if (ether_addr_equal(orig_addr, sdata->vif.addr))
return;
- mhwmp_dbg("received RANN from %pM via neighbour %pM (is_gate=%d)",
- orig_addr, mgmt->sa, root_is_gate);
+ mhwmp_dbg(sdata,
+ "received RANN from %pM via neighbour %pM (is_gate=%d)\n",
+ orig_addr, mgmt->sa, root_is_gate);
rcu_read_lock();
sta = sta_info_get(sdata, mgmt->sa);
@@ -785,34 +802,50 @@ static void hwmp_rann_frame_process(struct ieee80211_sub_if_data *sdata,
}
}
+ if (!(SN_LT(mpath->sn, orig_sn)) &&
+ !(mpath->sn == orig_sn && metric < mpath->rann_metric)) {
+ rcu_read_unlock();
+ return;
+ }
+
if ((!(mpath->flags & (MESH_PATH_ACTIVE | MESH_PATH_RESOLVING)) ||
- time_after(jiffies, mpath->exp_time - 1*HZ)) &&
- !(mpath->flags & MESH_PATH_FIXED)) {
- mhwmp_dbg("%s time to refresh root mpath %pM", sdata->name,
- orig_addr);
+ (time_after(jiffies, mpath->last_preq_to_root +
+ root_path_confirmation_jiffies(sdata)) ||
+ time_before(jiffies, mpath->last_preq_to_root))) &&
+ !(mpath->flags & MESH_PATH_FIXED) && (ttl != 0)) {
+ mhwmp_dbg(sdata,
+ "time to refresh root mpath %pM\n",
+ orig_addr);
mesh_queue_preq(mpath, PREQ_Q_F_START | PREQ_Q_F_REFRESH);
+ mpath->last_preq_to_root = jiffies;
}
- if ((SN_LT(mpath->sn, orig_sn) || (mpath->sn == orig_sn &&
- metric < mpath->rann_metric)) && ifmsh->mshcfg.dot11MeshForwarding) {
+ mpath->sn = orig_sn;
+ mpath->rann_metric = metric + metric_txsta;
+ mpath->is_root = true;
+ /* Recording RANNs sender address to send individually
+ * addressed PREQs destined for root mesh STA */
+ memcpy(mpath->rann_snd_addr, mgmt->sa, ETH_ALEN);
+
+ if (root_is_gate)
+ mesh_path_add_gate(mpath);
+
+ if (ttl <= 1) {
+ ifmsh->mshstats.dropped_frames_ttl++;
+ rcu_read_unlock();
+ return;
+ }
+ ttl--;
+
+ if (ifmsh->mshcfg.dot11MeshForwarding) {
mesh_path_sel_frame_tx(MPATH_RANN, flags, orig_addr,
cpu_to_le32(orig_sn),
0, NULL, 0, broadcast_addr,
hopcount, ttl, cpu_to_le32(interval),
cpu_to_le32(metric + metric_txsta),
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);
}
- mpath->is_root = true;
-
- if (root_is_gate)
- mesh_path_add_gate(mpath);
-
rcu_read_unlock();
}
@@ -889,7 +922,7 @@ static void mesh_queue_preq(struct mesh_path *mpath, u8 flags)
preq_node = kmalloc(sizeof(struct mesh_preq_queue), GFP_ATOMIC);
if (!preq_node) {
- mhwmp_dbg("could not allocate PREQ node");
+ mhwmp_dbg(sdata, "could not allocate PREQ node\n");
return;
}
@@ -898,7 +931,7 @@ static void mesh_queue_preq(struct mesh_path *mpath, u8 flags)
spin_unlock_bh(&ifmsh->mesh_preq_queue_lock);
kfree(preq_node);
if (printk_ratelimit())
- mhwmp_dbg("PREQ node queue full");
+ mhwmp_dbg(sdata, "PREQ node queue full\n");
return;
}
@@ -1021,12 +1054,15 @@ enddiscovery:
kfree(preq_node);
}
-/* mesh_nexthop_resolve - lookup next hop for given skb and start path
- * discovery if no forwarding information is found.
+/**
+ * mesh_nexthop_resolve - lookup next hop; conditionally start path discovery
*
* @skb: 802.11 frame to be sent
* @sdata: network subif the frame will be sent through
*
+ * Lookup next hop for given skb and start path discovery if no
+ * forwarding information is found.
+ *
* Returns: 0 if the next hop was found and -ENOENT if the frame was queued.
* skb is freeed here if no mpath could be allocated.
*/
@@ -1146,7 +1182,7 @@ void mesh_path_timer(unsigned long data)
if (!mpath->is_gate && mesh_gate_num(sdata) > 0) {
ret = mesh_path_send_to_gates(mpath);
if (ret)
- mhwmp_dbg("no gate was reachable");
+ mhwmp_dbg(sdata, "no gate was reachable\n");
} else
mesh_path_flush_pending(mpath);
}
@@ -1157,13 +1193,34 @@ mesh_path_tx_root_frame(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
u32 interval = ifmsh->mshcfg.dot11MeshHWMPRannInterval;
- u8 flags;
+ u8 flags, target_flags = 0;
flags = (ifmsh->mshcfg.dot11MeshGateAnnouncementProtocol)
? RANN_FLAG_IS_GATE : 0;
- mesh_path_sel_frame_tx(MPATH_RANN, flags, sdata->vif.addr,
+
+ switch (ifmsh->mshcfg.dot11MeshHWMPRootMode) {
+ case IEEE80211_PROACTIVE_RANN:
+ mesh_path_sel_frame_tx(MPATH_RANN, flags, sdata->vif.addr,
cpu_to_le32(++ifmsh->sn),
0, NULL, 0, broadcast_addr,
- 0, sdata->u.mesh.mshcfg.element_ttl,
+ 0, ifmsh->mshcfg.element_ttl,
cpu_to_le32(interval), 0, 0, sdata);
+ break;
+ case IEEE80211_PROACTIVE_PREQ_WITH_PREP:
+ flags |= IEEE80211_PREQ_PROACTIVE_PREP_FLAG;
+ case IEEE80211_PROACTIVE_PREQ_NO_PREP:
+ interval = ifmsh->mshcfg.dot11MeshHWMPactivePathToRootTimeout;
+ target_flags |= IEEE80211_PREQ_TO_FLAG |
+ IEEE80211_PREQ_USN_FLAG;
+ mesh_path_sel_frame_tx(MPATH_PREQ, flags, sdata->vif.addr,
+ cpu_to_le32(++ifmsh->sn), target_flags,
+ (u8 *) broadcast_addr, 0, broadcast_addr,
+ 0, ifmsh->mshcfg.element_ttl,
+ cpu_to_le32(interval),
+ 0, cpu_to_le32(ifmsh->preq_id++), sdata);
+ break;
+ default:
+ mhwmp_dbg(sdata, "Proactive mechanism not supported\n");
+ return;
+ }
}
diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c
index b39224d..075bc53 100644
--- a/net/mac80211/mesh_pathtbl.c
+++ b/net/mac80211/mesh_pathtbl.c
@@ -18,12 +18,6 @@
#include "ieee80211_i.h"
#include "mesh.h"
-#ifdef CONFIG_MAC80211_VERBOSE_MPATH_DEBUG
-#define mpath_dbg(fmt, args...) printk(KERN_DEBUG fmt, ##args)
-#else
-#define mpath_dbg(fmt, args...) do { (void)(0); } while (0)
-#endif
-
/* There will be initially 2^INIT_PATHS_SIZE_ORDER buckets */
#define INIT_PATHS_SIZE_ORDER 2
@@ -322,9 +316,8 @@ static void mesh_path_move_to_queue(struct mesh_path *gate_mpath,
spin_lock_irqsave(&gate_mpath->frame_queue.lock, flags);
skb_queue_splice(&gateq, &gate_mpath->frame_queue);
- mpath_dbg("Mpath queue for gate %pM has %d frames\n",
- gate_mpath->dst,
- skb_queue_len(&gate_mpath->frame_queue));
+ mpath_dbg(gate_mpath->sdata, "Mpath queue for gate %pM has %d frames\n",
+ gate_mpath->dst, skb_queue_len(&gate_mpath->frame_queue));
spin_unlock_irqrestore(&gate_mpath->frame_queue.lock, flags);
if (!copy)
@@ -446,9 +439,9 @@ int mesh_path_add_gate(struct mesh_path *mpath)
hlist_add_head_rcu(&new_gate->list, tbl->known_gates);
spin_unlock_bh(&tbl->gates_lock);
rcu_read_unlock();
- mpath_dbg("Mesh path (%s): Recorded new gate: %pM. %d known gates\n",
- mpath->sdata->name, mpath->dst,
- mpath->sdata->u.mesh.num_gates);
+ mpath_dbg(mpath->sdata,
+ "Mesh path: Recorded new gate: %pM. %d known gates\n",
+ mpath->dst, mpath->sdata->u.mesh.num_gates);
return 0;
err_rcu:
rcu_read_unlock();
@@ -477,8 +470,8 @@ static int mesh_gate_del(struct mesh_table *tbl, struct mesh_path *mpath)
spin_unlock_bh(&tbl->gates_lock);
mpath->sdata->u.mesh.num_gates--;
mpath->is_gate = false;
- mpath_dbg("Mesh path (%s): Deleted gate: %pM. "
- "%d known gates\n", mpath->sdata->name,
+ mpath_dbg(mpath->sdata,
+ "Mesh path: Deleted gate: %pM. %d known gates\n",
mpath->dst, mpath->sdata->u.mesh.num_gates);
break;
}
@@ -785,7 +778,7 @@ static void __mesh_path_del(struct mesh_table *tbl, struct mpath_node *node)
/**
* mesh_path_flush_by_nexthop - Deletes mesh paths if their next hop matches
*
- * @sta - mesh peer to match
+ * @sta: mesh peer to match
*
* RCU notes: this function is called when a mesh plink transitions from
* PLINK_ESTAB to any other state, since PLINK_ESTAB state is the only one that
@@ -840,7 +833,7 @@ static void table_flush_by_iface(struct mesh_table *tbl,
*
* This function deletes both mesh paths as well as mesh portal paths.
*
- * @sdata - interface data to match
+ * @sdata: interface data to match
*
*/
void mesh_path_flush_by_iface(struct ieee80211_sub_if_data *sdata)
@@ -946,19 +939,20 @@ int mesh_path_send_to_gates(struct mesh_path *mpath)
continue;
if (gate->mpath->flags & MESH_PATH_ACTIVE) {
- mpath_dbg("Forwarding to %pM\n", gate->mpath->dst);
+ mpath_dbg(sdata, "Forwarding to %pM\n", gate->mpath->dst);
mesh_path_move_to_queue(gate->mpath, from_mpath, copy);
from_mpath = gate->mpath;
copy = true;
} else {
- mpath_dbg("Not forwarding %p\n", gate->mpath);
- mpath_dbg("flags %x\n", gate->mpath->flags);
+ mpath_dbg(sdata,
+ "Not forwarding %p (flags %#x)\n",
+ gate->mpath, gate->mpath->flags);
}
}
hlist_for_each_entry_rcu(gate, n, known_gates, list)
if (gate->mpath->sdata == sdata) {
- mpath_dbg("Sending to %pM\n", gate->mpath->dst);
+ mpath_dbg(sdata, "Sending to %pM\n", gate->mpath->dst);
mesh_path_tx_pending(gate->mpath);
}
diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c
index 60ef235..af671b9 100644
--- a/net/mac80211/mesh_plink.c
+++ b/net/mac80211/mesh_plink.c
@@ -13,12 +13,6 @@
#include "rate.h"
#include "mesh.h"
-#ifdef CONFIG_MAC80211_VERBOSE_MPL_DEBUG
-#define mpl_dbg(fmt, args...) printk(KERN_DEBUG fmt, ##args)
-#else
-#define mpl_dbg(fmt, args...) do { (void)(0); } while (0)
-#endif
-
#define PLINK_GET_LLID(p) (p + 2)
#define PLINK_GET_PLID(p) (p + 4)
@@ -105,7 +99,7 @@ static struct sta_info *mesh_plink_alloc(struct ieee80211_sub_if_data *sdata,
return sta;
}
-/*
+/**
* mesh_set_ht_prot_mode - set correct HT protection mode
*
* Section 9.23.3.5 of IEEE 80211-2012 describes the protection rules for HT
@@ -134,12 +128,14 @@ static u32 mesh_set_ht_prot_mode(struct ieee80211_sub_if_data *sdata)
switch (sta->ch_type) {
case NL80211_CHAN_NO_HT:
- mpl_dbg("mesh_plink %pM: nonHT sta (%pM) is present",
+ mpl_dbg(sdata,
+ "mesh_plink %pM: nonHT sta (%pM) is present\n",
sdata->vif.addr, sta->sta.addr);
non_ht_sta = true;
goto out;
case NL80211_CHAN_HT20:
- mpl_dbg("mesh_plink %pM: HT20 sta (%pM) is present",
+ mpl_dbg(sdata,
+ "mesh_plink %pM: HT20 sta (%pM) is present\n",
sdata->vif.addr, sta->sta.addr);
ht20_sta = true;
default:
@@ -160,7 +156,8 @@ out:
sdata->vif.bss_conf.ht_operation_mode = ht_opmode;
sdata->u.mesh.mshcfg.ht_opmode = ht_opmode;
changed = BSS_CHANGED_HT;
- mpl_dbg("mesh_plink %pM: protection mode changed to %d",
+ mpl_dbg(sdata,
+ "mesh_plink %pM: protection mode changed to %d\n",
sdata->vif.addr, ht_opmode);
}
@@ -261,8 +258,8 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata,
pos = skb_put(skb, 2);
memcpy(pos + 2, &plid, 2);
}
- if (ieee80211_add_srates_ie(&sdata->vif, skb, true) ||
- ieee80211_add_ext_srates_ie(&sdata->vif, skb, true) ||
+ if (ieee80211_add_srates_ie(sdata, skb, true) ||
+ ieee80211_add_ext_srates_ie(sdata, skb, true) ||
mesh_add_rsn_ie(skb, sdata) ||
mesh_add_meshid_ie(skb, sdata) ||
mesh_add_meshconf_ie(skb, sdata))
@@ -323,7 +320,8 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata,
return 0;
}
-/* mesh_peer_init - initialize new mesh peer and return resulting sta_info
+/**
+ * mesh_peer_init - initialize new mesh peer and return resulting sta_info
*
* @sdata: local meshif
* @addr: peer's address
@@ -437,7 +435,8 @@ static void mesh_plink_timer(unsigned long data)
spin_unlock_bh(&sta->lock);
return;
}
- mpl_dbg("Mesh plink timer for %pM fired on state %d\n",
+ mpl_dbg(sta->sdata,
+ "Mesh plink timer for %pM fired on state %d\n",
sta->sta.addr, sta->plink_state);
reason = 0;
llid = sta->llid;
@@ -450,7 +449,8 @@ static void mesh_plink_timer(unsigned long data)
/* retry timer */
if (sta->plink_retries < dot11MeshMaxRetries(sdata)) {
u32 rand;
- mpl_dbg("Mesh plink for %pM (retry, timeout): %d %d\n",
+ mpl_dbg(sta->sdata,
+ "Mesh plink for %pM (retry, timeout): %d %d\n",
sta->sta.addr, sta->plink_retries,
sta->plink_timeout);
get_random_bytes(&rand, sizeof(u32));
@@ -530,7 +530,8 @@ int mesh_plink_open(struct sta_info *sta)
sta->plink_state = NL80211_PLINK_OPN_SNT;
mesh_plink_timer_set(sta, dot11MeshRetryTimeout(sdata));
spin_unlock_bh(&sta->lock);
- mpl_dbg("Mesh plink: starting establishment with %pM\n",
+ mpl_dbg(sdata,
+ "Mesh plink: starting establishment with %pM\n",
sta->sta.addr);
return mesh_plink_frame_tx(sdata, WLAN_SP_MESH_PEERING_OPEN,
@@ -565,7 +566,6 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
u8 *baseaddr;
u32 changed = 0;
__le16 plid, llid, reason;
-#ifdef CONFIG_MAC80211_VERBOSE_MPL_DEBUG
static const char *mplstates[] = {
[NL80211_PLINK_LISTEN] = "LISTEN",
[NL80211_PLINK_OPN_SNT] = "OPN-SNT",
@@ -575,14 +575,14 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
[NL80211_PLINK_HOLDING] = "HOLDING",
[NL80211_PLINK_BLOCKED] = "BLOCKED"
};
-#endif
/* need action_code, aux */
if (len < IEEE80211_MIN_ACTION_SIZE + 3)
return;
if (is_multicast_ether_addr(mgmt->da)) {
- mpl_dbg("Mesh plink: ignore frame from multicast address");
+ mpl_dbg(sdata,
+ "Mesh plink: ignore frame from multicast address\n");
return;
}
@@ -595,12 +595,14 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
}
ieee802_11_parse_elems(baseaddr, len - baselen, &elems);
if (!elems.peering) {
- mpl_dbg("Mesh plink: missing necessary peer link ie\n");
+ mpl_dbg(sdata,
+ "Mesh plink: missing necessary peer link ie\n");
return;
}
if (elems.rsn_len &&
sdata->u.mesh.security == IEEE80211_MESH_SEC_NONE) {
- mpl_dbg("Mesh plink: can't establish link with secure peer\n");
+ mpl_dbg(sdata,
+ "Mesh plink: can't establish link with secure peer\n");
return;
}
@@ -610,14 +612,15 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
(ftype == WLAN_SP_MESH_PEERING_CONFIRM && ie_len != 6) ||
(ftype == WLAN_SP_MESH_PEERING_CLOSE && ie_len != 6
&& ie_len != 8)) {
- mpl_dbg("Mesh plink: incorrect plink ie length %d %d\n",
- ftype, ie_len);
+ mpl_dbg(sdata,
+ "Mesh plink: incorrect plink ie length %d %d\n",
+ ftype, ie_len);
return;
}
if (ftype != WLAN_SP_MESH_PEERING_CLOSE &&
(!elems.mesh_id || !elems.mesh_config)) {
- mpl_dbg("Mesh plink: missing necessary ie\n");
+ mpl_dbg(sdata, "Mesh plink: missing necessary ie\n");
return;
}
/* Note the lines below are correct, the llid in the frame is the plid
@@ -632,21 +635,21 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
sta = sta_info_get(sdata, mgmt->sa);
if (!sta && ftype != WLAN_SP_MESH_PEERING_OPEN) {
- mpl_dbg("Mesh plink: cls or cnf from unknown peer\n");
+ mpl_dbg(sdata, "Mesh plink: cls or cnf from unknown peer\n");
rcu_read_unlock();
return;
}
if (ftype == WLAN_SP_MESH_PEERING_OPEN &&
!rssi_threshold_check(sta, sdata)) {
- mpl_dbg("Mesh plink: %pM does not meet rssi threshold\n",
+ mpl_dbg(sdata, "Mesh plink: %pM does not meet rssi threshold\n",
mgmt->sa);
rcu_read_unlock();
return;
}
if (sta && !test_sta_flag(sta, WLAN_STA_AUTH)) {
- mpl_dbg("Mesh plink: Action frame from non-authed peer\n");
+ mpl_dbg(sdata, "Mesh plink: Action frame from non-authed peer\n");
rcu_read_unlock();
return;
}
@@ -683,7 +686,7 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
} else if (!sta) {
/* ftype == WLAN_SP_MESH_PEERING_OPEN */
if (!mesh_plink_free_count(sdata)) {
- mpl_dbg("Mesh plink error: no more free plinks\n");
+ mpl_dbg(sdata, "Mesh plink error: no more free plinks\n");
rcu_read_unlock();
return;
}
@@ -724,7 +727,7 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
event = CLS_ACPT;
break;
default:
- mpl_dbg("Mesh plink: unknown frame subtype\n");
+ mpl_dbg(sdata, "Mesh plink: unknown frame subtype\n");
rcu_read_unlock();
return;
}
@@ -734,13 +737,14 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
/* allocate sta entry if necessary and update info */
sta = mesh_peer_init(sdata, mgmt->sa, &elems);
if (!sta) {
- mpl_dbg("Mesh plink: failed to init peer!\n");
+ mpl_dbg(sdata, "Mesh plink: failed to init peer!\n");
rcu_read_unlock();
return;
}
}
- mpl_dbg("Mesh plink (peer, state, llid, plid, event): %pM %s %d %d %d\n",
+ mpl_dbg(sdata,
+ "Mesh plink (peer, state, llid, plid, event): %pM %s %d %d %d\n",
mgmt->sa, mplstates[sta->plink_state],
le16_to_cpu(sta->llid), le16_to_cpu(sta->plid),
event);
@@ -851,7 +855,7 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
mesh_plink_inc_estab_count(sdata);
changed |= mesh_set_ht_prot_mode(sdata);
changed |= BSS_CHANGED_BEACON;
- mpl_dbg("Mesh plink with %pM ESTABLISHED\n",
+ mpl_dbg(sdata, "Mesh plink with %pM ESTABLISHED\n",
sta->sta.addr);
break;
default:
@@ -887,7 +891,7 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
mesh_plink_inc_estab_count(sdata);
changed |= mesh_set_ht_prot_mode(sdata);
changed |= BSS_CHANGED_BEACON;
- mpl_dbg("Mesh plink with %pM ESTABLISHED\n",
+ mpl_dbg(sdata, "Mesh plink with %pM ESTABLISHED\n",
sta->sta.addr);
mesh_plink_frame_tx(sdata,
WLAN_SP_MESH_PEERING_CONFIRM,
diff --git a/net/mac80211/mesh_sync.c b/net/mac80211/mesh_sync.c
index 38d30e8..accfa00 100644
--- a/net/mac80211/mesh_sync.c
+++ b/net/mac80211/mesh_sync.c
@@ -12,13 +12,6 @@
#include "mesh.h"
#include "driver-ops.h"
-#ifdef CONFIG_MAC80211_VERBOSE_MESH_SYNC_DEBUG
-#define msync_dbg(fmt, args...) \
- printk(KERN_DEBUG "Mesh sync (%s): " fmt "\n", sdata->name, ##args)
-#else
-#define msync_dbg(fmt, args...) do { (void)(0); } while (0)
-#endif
-
/* This is not in the standard. It represents a tolerable tbtt drift below
* which we do no TSF adjustment.
*/
@@ -65,14 +58,14 @@ void mesh_sync_adjust_tbtt(struct ieee80211_sub_if_data *sdata)
spin_lock_bh(&ifmsh->sync_offset_lock);
if (ifmsh->sync_offset_clockdrift_max < beacon_int_fraction) {
- msync_dbg("TBTT : max clockdrift=%lld; adjusting",
- (long long) ifmsh->sync_offset_clockdrift_max);
+ msync_dbg(sdata, "TBTT : max clockdrift=%lld; adjusting\n",
+ (long long) ifmsh->sync_offset_clockdrift_max);
tsfdelta = -ifmsh->sync_offset_clockdrift_max;
ifmsh->sync_offset_clockdrift_max = 0;
} else {
- msync_dbg("TBTT : max clockdrift=%lld; adjusting by %llu",
- (long long) ifmsh->sync_offset_clockdrift_max,
- (unsigned long long) beacon_int_fraction);
+ msync_dbg(sdata, "TBTT : max clockdrift=%lld; adjusting by %llu\n",
+ (long long) ifmsh->sync_offset_clockdrift_max,
+ (unsigned long long) beacon_int_fraction);
tsfdelta = -beacon_int_fraction;
ifmsh->sync_offset_clockdrift_max -= beacon_int_fraction;
}
@@ -120,7 +113,7 @@ static void mesh_sync_offset_rx_bcn_presp(struct ieee80211_sub_if_data *sdata,
if (elems->mesh_config && mesh_peer_tbtt_adjusting(elems)) {
clear_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN);
- msync_dbg("STA %pM : is adjusting TBTT", sta->sta.addr);
+ msync_dbg(sdata, "STA %pM : is adjusting TBTT\n", sta->sta.addr);
goto no_sync;
}
@@ -169,7 +162,8 @@ 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(sdata,
+ "STA %pM : sta->t_offset=%lld, sta->t_offset_setpoint=%lld, t_clockdrift=%lld\n",
sta->sta.addr,
(long long) sta->t_offset,
(long long)
@@ -178,7 +172,8 @@ static void mesh_sync_offset_rx_bcn_presp(struct ieee80211_sub_if_data *sdata,
if (t_clockdrift > TOFFSET_MAXIMUM_ADJUSTMENT ||
t_clockdrift < -TOFFSET_MAXIMUM_ADJUSTMENT) {
- msync_dbg("STA %pM : t_clockdrift=%lld too large, setpoint reset",
+ msync_dbg(sdata,
+ "STA %pM : t_clockdrift=%lld too large, setpoint reset\n",
sta->sta.addr,
(long long) t_clockdrift);
clear_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN);
@@ -197,8 +192,8 @@ static void mesh_sync_offset_rx_bcn_presp(struct ieee80211_sub_if_data *sdata,
} else {
sta->t_offset_setpoint = sta->t_offset - TOFFSET_SET_MARGIN;
set_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN);
- msync_dbg("STA %pM : offset was invalid, "
- " sta->t_offset=%lld",
+ msync_dbg(sdata,
+ "STA %pM : offset was invalid, sta->t_offset=%lld\n",
sta->sta.addr,
(long long) sta->t_offset);
rcu_read_unlock();
@@ -226,17 +221,15 @@ static void mesh_sync_offset_adjust_tbtt(struct ieee80211_sub_if_data *sdata)
* to the driver tsf setter, we punt
* the tsf adjustment to the mesh tasklet
*/
- msync_dbg("TBTT : kicking off TBTT "
- "adjustment with "
- "clockdrift_max=%lld",
- ifmsh->sync_offset_clockdrift_max);
+ msync_dbg(sdata,
+ "TBTT : kicking off TBTT adjustment with clockdrift_max=%lld\n",
+ ifmsh->sync_offset_clockdrift_max);
set_bit(MESH_WORK_DRIFT_ADJUST,
&ifmsh->wrkq_flags);
} else {
- msync_dbg("TBTT : max clockdrift=%lld; "
- "too small to adjust",
- (long long)
- ifmsh->sync_offset_clockdrift_max);
+ msync_dbg(sdata,
+ "TBTT : max clockdrift=%lld; too small to adjust\n",
+ (long long)ifmsh->sync_offset_clockdrift_max);
ifmsh->sync_offset_clockdrift_max = 0;
}
spin_unlock_bh(&ifmsh->sync_offset_lock);
@@ -268,7 +261,7 @@ static void mesh_sync_vendor_rx_bcn_presp(struct ieee80211_sub_if_data *sdata,
const u8 *oui;
WARN_ON(sdata->u.mesh.mesh_sp_id != IEEE80211_SYNC_METHOD_VENDOR);
- msync_dbg("called mesh_sync_vendor_rx_bcn_presp");
+ msync_dbg(sdata, "called mesh_sync_vendor_rx_bcn_presp\n");
oui = mesh_get_vendor_oui(sdata);
/* here you would implement the vendor offset tracking for this oui */
}
@@ -278,7 +271,7 @@ static void mesh_sync_vendor_adjust_tbtt(struct ieee80211_sub_if_data *sdata)
const u8 *oui;
WARN_ON(sdata->u.mesh.mesh_sp_id != IEEE80211_SYNC_METHOD_VENDOR);
- msync_dbg("called mesh_sync_vendor_adjust_tbtt");
+ msync_dbg(sdata, "called mesh_sync_vendor_adjust_tbtt\n");
oui = mesh_get_vendor_oui(sdata);
/* here you would implement the vendor tsf adjustment for this oui */
}
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 0db5d34..cef0c9e 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -258,12 +258,11 @@ static int ieee80211_compatible_rates(const u8 *supp_rates, int supp_rates_len,
}
static void ieee80211_add_ht_ie(struct ieee80211_sub_if_data *sdata,
- struct sk_buff *skb, const u8 *ht_oper_ie,
+ struct sk_buff *skb, u8 ap_ht_param,
struct ieee80211_supported_band *sband,
struct ieee80211_channel *channel,
enum ieee80211_smps_mode smps)
{
- struct ieee80211_ht_operation *ht_oper;
u8 *pos;
u32 flags = channel->flags;
u16 cap;
@@ -271,21 +270,13 @@ static void ieee80211_add_ht_ie(struct ieee80211_sub_if_data *sdata,
BUILD_BUG_ON(sizeof(ht_cap) != sizeof(sband->ht_cap));
- if (!ht_oper_ie)
- return;
-
- if (ht_oper_ie[1] < sizeof(struct ieee80211_ht_operation))
- return;
-
memcpy(&ht_cap, &sband->ht_cap, sizeof(ht_cap));
ieee80211_apply_htcap_overrides(sdata, &ht_cap);
- ht_oper = (struct ieee80211_ht_operation *)(ht_oper_ie + 2);
-
/* determine capability flags */
cap = ht_cap.cap;
- switch (ht_oper->ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET) {
+ switch (ap_ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET) {
case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
if (flags & IEEE80211_CHAN_NO_HT40PLUS) {
cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
@@ -509,7 +500,7 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
}
if (!(ifmgd->flags & IEEE80211_STA_DISABLE_11N))
- ieee80211_add_ht_ie(sdata, skb, assoc_data->ht_operation_ie,
+ ieee80211_add_ht_ie(sdata, skb, assoc_data->ap_ht_param,
sband, local->oper_channel, ifmgd->ap_smps);
/* if present, add any custom non-vendor IEs that go after HT */
@@ -550,6 +541,8 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
memcpy(pos, assoc_data->ie + offset, noffset - offset);
}
+ drv_mgd_prepare_tx(local, sdata);
+
IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
ieee80211_tx_skb(sdata, skb);
}
@@ -589,6 +582,9 @@ static void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata,
if (!(ifmgd->flags & IEEE80211_STA_MFP_ENABLED))
IEEE80211_SKB_CB(skb)->flags |=
IEEE80211_TX_INTFL_DONT_ENCRYPT;
+
+ drv_mgd_prepare_tx(local, sdata);
+
ieee80211_tx_skb(sdata, skb);
}
}
@@ -911,9 +907,6 @@ static bool ieee80211_powersave_allowed(struct ieee80211_sub_if_data *sdata)
if (!mgd->associated)
return false;
- if (!mgd->associated->beacon_ies)
- return false;
-
if (mgd->flags & (IEEE80211_STA_BEACON_POLL |
IEEE80211_STA_CONNECTION_POLL))
return false;
@@ -939,11 +932,6 @@ void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency)
return;
}
- if (!list_empty(&local->work_list)) {
- local->ps_sdata = NULL;
- goto change;
- }
-
list_for_each_entry(sdata, &local->interfaces, list) {
if (!ieee80211_sdata_running(sdata))
continue;
@@ -1016,7 +1004,6 @@ void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency)
local->ps_sdata = NULL;
}
- change:
ieee80211_change_ps(local);
}
@@ -1121,7 +1108,7 @@ void ieee80211_dynamic_ps_timer(unsigned long data)
}
/* MLME */
-static void ieee80211_sta_wmm_params(struct ieee80211_local *local,
+static bool ieee80211_sta_wmm_params(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata,
u8 *wmm_param, size_t wmm_param_len)
{
@@ -1132,23 +1119,23 @@ static void ieee80211_sta_wmm_params(struct ieee80211_local *local,
u8 *pos, uapsd_queues = 0;
if (!local->ops->conf_tx)
- return;
+ return false;
if (local->hw.queues < IEEE80211_NUM_ACS)
- return;
+ return false;
if (!wmm_param)
- return;
+ return false;
if (wmm_param_len < 8 || wmm_param[5] /* version */ != 1)
- return;
+ return false;
if (ifmgd->flags & IEEE80211_STA_UAPSD_ENABLED)
uapsd_queues = ifmgd->uapsd_queues;
count = wmm_param[6] & 0x0f;
if (count == ifmgd->wmm_last_param_set)
- return;
+ return false;
ifmgd->wmm_last_param_set = count;
pos = wmm_param + 8;
@@ -1156,7 +1143,7 @@ static void ieee80211_sta_wmm_params(struct ieee80211_local *local,
memset(&params, 0, sizeof(params));
- local->wmm_acm = 0;
+ sdata->wmm_acm = 0;
for (; left >= 4; left -= 4, pos += 4) {
int aci = (pos[0] >> 5) & 0x03;
int acm = (pos[0] >> 4) & 0x01;
@@ -1167,21 +1154,21 @@ static void ieee80211_sta_wmm_params(struct ieee80211_local *local,
case 1: /* AC_BK */
queue = 3;
if (acm)
- local->wmm_acm |= BIT(1) | BIT(2); /* BK/- */
+ sdata->wmm_acm |= BIT(1) | BIT(2); /* BK/- */
if (uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BK)
uapsd = true;
break;
case 2: /* AC_VI */
queue = 1;
if (acm)
- local->wmm_acm |= BIT(4) | BIT(5); /* CL/VI */
+ sdata->wmm_acm |= BIT(4) | BIT(5); /* CL/VI */
if (uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VI)
uapsd = true;
break;
case 3: /* AC_VO */
queue = 0;
if (acm)
- local->wmm_acm |= BIT(6) | BIT(7); /* VO/NC */
+ sdata->wmm_acm |= BIT(6) | BIT(7); /* VO/NC */
if (uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VO)
uapsd = true;
break;
@@ -1189,7 +1176,7 @@ static void ieee80211_sta_wmm_params(struct ieee80211_local *local,
default:
queue = 2;
if (acm)
- local->wmm_acm |= BIT(0) | BIT(3); /* BE/EE */
+ sdata->wmm_acm |= BIT(0) | BIT(3); /* BE/EE */
if (uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BE)
uapsd = true;
break;
@@ -1201,23 +1188,21 @@ static void ieee80211_sta_wmm_params(struct ieee80211_local *local,
params.txop = get_unaligned_le16(pos + 2);
params.uapsd = uapsd;
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- wiphy_debug(local->hw.wiphy,
- "WMM queue=%d aci=%d acm=%d aifs=%d "
- "cWmin=%d cWmax=%d txop=%d uapsd=%d\n",
- queue, aci, acm,
- params.aifs, params.cw_min, params.cw_max,
- params.txop, params.uapsd);
-#endif
+ mlme_dbg(sdata,
+ "WMM queue=%d aci=%d acm=%d aifs=%d cWmin=%d cWmax=%d txop=%d uapsd=%d\n",
+ queue, aci, acm,
+ params.aifs, params.cw_min, params.cw_max,
+ params.txop, params.uapsd);
sdata->tx_conf[queue] = params;
if (drv_conf_tx(local, sdata, queue, &params))
- wiphy_debug(local->hw.wiphy,
- "failed to set TX queue parameters for queue %d\n",
- queue);
+ sdata_err(sdata,
+ "failed to set TX queue parameters for queue %d\n",
+ queue);
}
/* enable WMM or activate new settings */
sdata->vif.bss_conf.qos = true;
+ return true;
}
static void __ieee80211_stop_poll(struct ieee80211_sub_if_data *sdata)
@@ -1284,13 +1269,8 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata,
struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf;
bss_info_changed |= BSS_CHANGED_ASSOC;
- /* set timing information */
- bss_conf->beacon_int = cbss->beacon_interval;
- bss_conf->last_tsf = cbss->tsf;
-
- bss_info_changed |= BSS_CHANGED_BEACON_INT;
bss_info_changed |= ieee80211_handle_bss_capability(sdata,
- cbss->capability, bss->has_erp_value, bss->erp_value);
+ bss_conf->assoc_capability, bss->has_erp_value, bss->erp_value);
sdata->u.mgd.beacon_timeout = usecs_to_jiffies(ieee80211_tu_to_usec(
IEEE80211_BEACON_LOSS_COUNT * bss_conf->beacon_int));
@@ -1380,6 +1360,21 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
}
mutex_unlock(&local->sta_mtx);
+ /*
+ * if we want to get out of ps before disassoc (why?) we have
+ * to do it before sending disassoc, as otherwise the null-packet
+ * won't be valid.
+ */
+ if (local->hw.conf.flags & IEEE80211_CONF_PS) {
+ local->hw.conf.flags &= ~IEEE80211_CONF_PS;
+ ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
+ }
+ local->ps_sdata = NULL;
+
+ /* flush out any pending frame (e.g. DELBA) before deauth/disassoc */
+ if (tx)
+ drv_flush(local, false);
+
/* deauthenticate/disassociate now */
if (tx || frame_buf)
ieee80211_send_deauth_disassoc(sdata, ifmgd->bssid, stype,
@@ -1411,12 +1406,6 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
del_timer_sync(&local->dynamic_ps_timer);
cancel_work_sync(&local->dynamic_ps_enable_work);
- if (local->hw.conf.flags & IEEE80211_CONF_PS) {
- local->hw.conf.flags &= ~IEEE80211_CONF_PS;
- ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
- }
- local->ps_sdata = NULL;
-
/* Disable ARP filtering */
if (sdata->vif.bss_conf.arp_filter_enabled) {
sdata->vif.bss_conf.arp_filter_enabled = false;
@@ -1581,11 +1570,12 @@ static void ieee80211_mgd_probe_ap(struct ieee80211_sub_if_data *sdata,
goto out;
}
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
if (beacon)
- net_dbg_ratelimited("%s: detected beacon loss from AP - sending probe request\n",
- sdata->name);
-#endif
+ mlme_dbg_ratelimited(sdata,
+ "detected beacon loss from AP - sending probe request\n");
+
+ ieee80211_cqm_rssi_notify(&sdata->vif,
+ NL80211_CQM_RSSI_BEACON_LOSS_EVENT, GFP_KERNEL);
/*
* The driver/our work has already reported this event or the
@@ -1627,6 +1617,7 @@ struct sk_buff *ieee80211_ap_probereq_get(struct ieee80211_hw *hw,
{
struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+ struct cfg80211_bss *cbss;
struct sk_buff *skb;
const u8 *ssid;
int ssid_len;
@@ -1636,16 +1627,22 @@ struct sk_buff *ieee80211_ap_probereq_get(struct ieee80211_hw *hw,
ASSERT_MGD_MTX(ifmgd);
- if (!ifmgd->associated)
+ if (ifmgd->associated)
+ cbss = ifmgd->associated;
+ else if (ifmgd->auth_data)
+ cbss = ifmgd->auth_data->bss;
+ else if (ifmgd->assoc_data)
+ cbss = ifmgd->assoc_data->bss;
+ else
return NULL;
- ssid = ieee80211_bss_get_ie(ifmgd->associated, WLAN_EID_SSID);
+ ssid = ieee80211_bss_get_ie(cbss, WLAN_EID_SSID);
if (WARN_ON_ONCE(ssid == NULL))
ssid_len = 0;
else
ssid_len = ssid[1];
- skb = ieee80211_build_probe_req(sdata, ifmgd->associated->bssid,
+ skb = ieee80211_build_probe_req(sdata, cbss->bssid,
(u32) -1, ssid + 2, ssid_len,
NULL, 0, true);
@@ -1668,8 +1665,7 @@ static void __ieee80211_connection_loss(struct ieee80211_sub_if_data *sdata)
memcpy(bssid, ifmgd->associated->bssid, ETH_ALEN);
- printk(KERN_DEBUG "%s: Connection to AP %pM lost.\n",
- sdata->name, bssid);
+ sdata_info(sdata, "Connection to AP %pM lost\n", bssid);
ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH,
WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY,
@@ -1765,6 +1761,7 @@ static void ieee80211_auth_challenge(struct ieee80211_sub_if_data *sdata,
if (!elems.challenge)
return;
auth_data->expected_transaction = 4;
+ drv_mgd_prepare_tx(sdata->local, sdata);
ieee80211_send_auth(sdata, 3, auth_data->algorithm,
elems.challenge - 2, elems.challenge_len + 2,
auth_data->bss->bssid, auth_data->bss->bssid,
@@ -1803,9 +1800,10 @@ ieee80211_rx_mgmt_auth(struct ieee80211_sub_if_data *sdata,
return RX_MGMT_NONE;
if (status_code != WLAN_STATUS_SUCCESS) {
- printk(KERN_DEBUG "%s: %pM denied authentication (status %d)\n",
- sdata->name, mgmt->sa, status_code);
- goto out;
+ sdata_info(sdata, "%pM denied authentication (status %d)\n",
+ mgmt->sa, status_code);
+ ieee80211_destroy_auth_data(sdata, false);
+ return RX_MGMT_CFG80211_RX_AUTH;
}
switch (ifmgd->auth_data->algorithm) {
@@ -1826,8 +1824,7 @@ ieee80211_rx_mgmt_auth(struct ieee80211_sub_if_data *sdata,
return RX_MGMT_NONE;
}
- printk(KERN_DEBUG "%s: authenticated\n", sdata->name);
- out:
+ sdata_info(sdata, "authenticated\n");
ifmgd->auth_data->done = true;
ifmgd->auth_data->timeout = jiffies + IEEE80211_AUTH_WAIT_ASSOC;
run_again(ifmgd, ifmgd->auth_data->timeout);
@@ -1840,8 +1837,7 @@ ieee80211_rx_mgmt_auth(struct ieee80211_sub_if_data *sdata,
goto out_err;
}
if (sta_info_move_state(sta, IEEE80211_STA_AUTH)) {
- printk(KERN_DEBUG "%s: failed moving %pM to auth\n",
- sdata->name, bssid);
+ sdata_info(sdata, "failed moving %pM to auth\n", bssid);
goto out_err;
}
mutex_unlock(&sdata->local->sta_mtx);
@@ -1875,8 +1871,8 @@ ieee80211_rx_mgmt_deauth(struct ieee80211_sub_if_data *sdata,
reason_code = le16_to_cpu(mgmt->u.deauth.reason_code);
- printk(KERN_DEBUG "%s: deauthenticated from %pM (Reason: %u)\n",
- sdata->name, bssid, reason_code);
+ sdata_info(sdata, "deauthenticated from %pM (Reason: %u)\n",
+ bssid, reason_code);
ieee80211_set_disassoc(sdata, 0, 0, false, NULL);
@@ -1906,8 +1902,8 @@ ieee80211_rx_mgmt_disassoc(struct ieee80211_sub_if_data *sdata,
reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code);
- printk(KERN_DEBUG "%s: disassociated from %pM (Reason: %u)\n",
- sdata->name, mgmt->sa, reason_code);
+ sdata_info(sdata, "disassociated from %pM (Reason: %u)\n",
+ mgmt->sa, reason_code);
ieee80211_set_disassoc(sdata, 0, 0, false, NULL);
@@ -1999,17 +1995,15 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
capab_info = le16_to_cpu(mgmt->u.assoc_resp.capab_info);
if ((aid & (BIT(15) | BIT(14))) != (BIT(15) | BIT(14)))
- printk(KERN_DEBUG
- "%s: invalid AID value 0x%x; bits 15:14 not set\n",
- sdata->name, aid);
+ sdata_info(sdata, "invalid AID value 0x%x; bits 15:14 not set\n",
+ aid);
aid &= ~(BIT(15) | BIT(14));
ifmgd->broken_ap = false;
if (aid == 0 || aid > IEEE80211_MAX_AID) {
- printk(KERN_DEBUG
- "%s: invalid AID value %d (out of range), turn off PS\n",
- sdata->name, aid);
+ sdata_info(sdata, "invalid AID value %d (out of range), turn off PS\n",
+ aid);
aid = 0;
ifmgd->broken_ap = true;
}
@@ -2018,8 +2012,7 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), &elems);
if (!elems.supp_rates) {
- printk(KERN_DEBUG "%s: no SuppRates element in AssocResp\n",
- sdata->name);
+ sdata_info(sdata, "no SuppRates element in AssocResp\n");
return false;
}
@@ -2059,9 +2052,9 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
if (!err && !(ifmgd->flags & IEEE80211_STA_CONTROL_PORT))
err = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
if (err) {
- printk(KERN_DEBUG
- "%s: failed to move station %pM to desired state\n",
- sdata->name, sta->sta.addr);
+ sdata_info(sdata,
+ "failed to move station %pM to desired state\n",
+ sta->sta.addr);
WARN_ON(__sta_info_destroy(sta));
mutex_unlock(&sdata->local->sta_mtx);
return false;
@@ -2144,10 +2137,10 @@ ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
status_code = le16_to_cpu(mgmt->u.assoc_resp.status_code);
aid = le16_to_cpu(mgmt->u.assoc_resp.aid);
- printk(KERN_DEBUG "%s: RX %sssocResp from %pM (capab=0x%x "
- "status=%d aid=%d)\n",
- sdata->name, reassoc ? "Rea" : "A", mgmt->sa,
- capab_info, status_code, (u16)(aid & ~(BIT(15) | BIT(14))));
+ sdata_info(sdata,
+ "RX %sssocResp from %pM (capab=0x%x status=%d aid=%d)\n",
+ reassoc ? "Rea" : "A", mgmt->sa,
+ capab_info, status_code, (u16)(aid & ~(BIT(15) | BIT(14))));
pos = mgmt->u.assoc_resp.variable;
ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), &elems);
@@ -2158,9 +2151,9 @@ ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
u32 tu, ms;
tu = get_unaligned_le32(elems.timeout_int + 1);
ms = tu * 1024 / 1000;
- printk(KERN_DEBUG "%s: %pM rejected association temporarily; "
- "comeback duration %u TU (%u ms)\n",
- sdata->name, mgmt->sa, tu, ms);
+ sdata_info(sdata,
+ "%pM rejected association temporarily; comeback duration %u TU (%u ms)\n",
+ mgmt->sa, tu, ms);
assoc_data->timeout = jiffies + msecs_to_jiffies(ms);
if (ms > IEEE80211_ASSOC_TIMEOUT)
run_again(ifmgd, assoc_data->timeout);
@@ -2170,8 +2163,8 @@ ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
*bss = assoc_data->bss;
if (status_code != WLAN_STATUS_SUCCESS) {
- printk(KERN_DEBUG "%s: %pM denied association (code=%d)\n",
- sdata->name, mgmt->sa, status_code);
+ sdata_info(sdata, "%pM denied association (code=%d)\n",
+ mgmt->sa, status_code);
ieee80211_destroy_assoc_data(sdata, false);
} else {
if (!ieee80211_assoc_success(sdata, *bss, mgmt, len)) {
@@ -2180,7 +2173,7 @@ ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
cfg80211_put_bss(*bss);
return RX_MGMT_CFG80211_ASSOC_TIMEOUT;
}
- printk(KERN_DEBUG "%s: associated\n", sdata->name);
+ sdata_info(sdata, "associated\n");
/*
* destroy assoc_data afterwards, as otherwise an idle
@@ -2280,7 +2273,7 @@ static void ieee80211_rx_mgmt_probe_resp(struct ieee80211_sub_if_data *sdata,
if (ifmgd->auth_data && !ifmgd->auth_data->bss->proberesp_ies &&
ether_addr_equal(mgmt->bssid, ifmgd->auth_data->bss->bssid)) {
/* got probe response, continue with auth */
- printk(KERN_DEBUG "%s: direct probe responded\n", sdata->name);
+ sdata_info(sdata, "direct probe responded\n");
ifmgd->auth_data->tries = 0;
ifmgd->auth_data->timeout = jiffies;
run_again(ifmgd, ifmgd->auth_data->timeout);
@@ -2416,10 +2409,8 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
}
if (ifmgd->flags & IEEE80211_STA_BEACON_POLL) {
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- net_dbg_ratelimited("%s: cancelling probereq poll due to a received beacon\n",
- sdata->name);
-#endif
+ mlme_dbg_ratelimited(sdata,
+ "cancelling probereq poll due to a received beacon\n");
mutex_lock(&local->mtx);
ifmgd->flags &= ~IEEE80211_STA_BEACON_POLL;
ieee80211_run_deferred_scan(local);
@@ -2445,14 +2436,6 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
directed_tim = ieee80211_check_tim(elems.tim, elems.tim_len,
ifmgd->aid);
- if (ncrc != ifmgd->beacon_crc || !ifmgd->beacon_crc_valid) {
- ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems,
- true);
-
- ieee80211_sta_wmm_params(local, sdata, elems.wmm_param,
- elems.wmm_param_len);
- }
-
if (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK) {
if (directed_tim) {
if (local->hw.conf.dynamic_ps_timeout > 0) {
@@ -2483,6 +2466,13 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
ifmgd->beacon_crc = ncrc;
ifmgd->beacon_crc_valid = true;
+ ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems,
+ true);
+
+ if (ieee80211_sta_wmm_params(local, sdata, elems.wmm_param,
+ elems.wmm_param_len))
+ changed |= BSS_CHANGED_QOS;
+
if (elems.erp_info && elems.erp_info_len >= 1) {
erp_valid = true;
erp_value = elems.erp_info[0];
@@ -2642,8 +2632,8 @@ static int ieee80211_probe_auth(struct ieee80211_sub_if_data *sdata)
auth_data->tries++;
if (auth_data->tries > IEEE80211_AUTH_MAX_TRIES) {
- printk(KERN_DEBUG "%s: authentication with %pM timed out\n",
- sdata->name, auth_data->bss->bssid);
+ sdata_info(sdata, "authentication with %pM timed out\n",
+ auth_data->bss->bssid);
/*
* Most likely AP is not in the range so remove the
@@ -2654,10 +2644,12 @@ static int ieee80211_probe_auth(struct ieee80211_sub_if_data *sdata)
return -ETIMEDOUT;
}
+ drv_mgd_prepare_tx(local, sdata);
+
if (auth_data->bss->proberesp_ies) {
- printk(KERN_DEBUG "%s: send auth to %pM (try %d/%d)\n",
- sdata->name, auth_data->bss->bssid, auth_data->tries,
- IEEE80211_AUTH_MAX_TRIES);
+ sdata_info(sdata, "send auth to %pM (try %d/%d)\n",
+ auth_data->bss->bssid, auth_data->tries,
+ IEEE80211_AUTH_MAX_TRIES);
auth_data->expected_transaction = 2;
ieee80211_send_auth(sdata, 1, auth_data->algorithm,
@@ -2667,9 +2659,9 @@ static int ieee80211_probe_auth(struct ieee80211_sub_if_data *sdata)
} else {
const u8 *ssidie;
- printk(KERN_DEBUG "%s: direct probe to %pM (try %d/%i)\n",
- sdata->name, auth_data->bss->bssid, auth_data->tries,
- IEEE80211_AUTH_MAX_TRIES);
+ sdata_info(sdata, "direct probe to %pM (try %d/%i)\n",
+ auth_data->bss->bssid, auth_data->tries,
+ IEEE80211_AUTH_MAX_TRIES);
ssidie = ieee80211_bss_get_ie(auth_data->bss, WLAN_EID_SSID);
if (!ssidie)
@@ -2697,8 +2689,8 @@ static int ieee80211_do_assoc(struct ieee80211_sub_if_data *sdata)
assoc_data->tries++;
if (assoc_data->tries > IEEE80211_ASSOC_MAX_TRIES) {
- printk(KERN_DEBUG "%s: association with %pM timed out\n",
- sdata->name, assoc_data->bss->bssid);
+ sdata_info(sdata, "association with %pM timed out\n",
+ assoc_data->bss->bssid);
/*
* Most likely AP is not in the range so remove the
@@ -2709,9 +2701,9 @@ static int ieee80211_do_assoc(struct ieee80211_sub_if_data *sdata)
return -ETIMEDOUT;
}
- printk(KERN_DEBUG "%s: associate with %pM (try %d/%d)\n",
- sdata->name, assoc_data->bss->bssid, assoc_data->tries,
- IEEE80211_ASSOC_MAX_TRIES);
+ sdata_info(sdata, "associate with %pM (try %d/%d)\n",
+ assoc_data->bss->bssid, assoc_data->tries,
+ IEEE80211_ASSOC_MAX_TRIES);
ieee80211_send_assoc(sdata);
assoc_data->timeout = jiffies + IEEE80211_ASSOC_TIMEOUT;
@@ -2784,45 +2776,31 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata)
ieee80211_reset_ap_probe(sdata);
else if (ifmgd->nullfunc_failed) {
if (ifmgd->probe_send_count < max_tries) {
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- wiphy_debug(local->hw.wiphy,
- "%s: No ack for nullfunc frame to"
- " AP %pM, try %d/%i\n",
- sdata->name, bssid,
- ifmgd->probe_send_count, max_tries);
-#endif
+ mlme_dbg(sdata,
+ "No ack for nullfunc frame to AP %pM, try %d/%i\n",
+ bssid, ifmgd->probe_send_count,
+ max_tries);
ieee80211_mgd_probe_ap_send(sdata);
} else {
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- wiphy_debug(local->hw.wiphy,
- "%s: No ack for nullfunc frame to"
- " AP %pM, disconnecting.\n",
- sdata->name, bssid);
-#endif
+ mlme_dbg(sdata,
+ "No ack for nullfunc frame to AP %pM, disconnecting.\n",
+ bssid);
ieee80211_sta_connection_lost(sdata, bssid,
WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY);
}
} else if (time_is_after_jiffies(ifmgd->probe_timeout))
run_again(ifmgd, ifmgd->probe_timeout);
else if (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) {
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- wiphy_debug(local->hw.wiphy,
- "%s: Failed to send nullfunc to AP %pM"
- " after %dms, disconnecting.\n",
- sdata->name,
- bssid, probe_wait_ms);
-#endif
+ mlme_dbg(sdata,
+ "Failed to send nullfunc to AP %pM after %dms, disconnecting\n",
+ bssid, probe_wait_ms);
ieee80211_sta_connection_lost(sdata, bssid,
WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY);
} else if (ifmgd->probe_send_count < max_tries) {
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- wiphy_debug(local->hw.wiphy,
- "%s: No probe response from AP %pM"
- " after %dms, try %d/%i\n",
- sdata->name,
- bssid, probe_wait_ms,
- ifmgd->probe_send_count, max_tries);
-#endif
+ mlme_dbg(sdata,
+ "No probe response from AP %pM after %dms, try %d/%i\n",
+ bssid, probe_wait_ms,
+ ifmgd->probe_send_count, max_tries);
ieee80211_mgd_probe_ap_send(sdata);
} else {
/*
@@ -2937,11 +2915,8 @@ void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata)
sdata->flags &= ~IEEE80211_SDATA_DISCONNECT_RESUME;
mutex_lock(&ifmgd->mtx);
if (ifmgd->associated) {
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- wiphy_debug(sdata->local->hw.wiphy,
- "%s: driver requested disconnect after resume.\n",
- sdata->name);
-#endif
+ mlme_dbg(sdata,
+ "driver requested disconnect after resume\n");
ieee80211_sta_connection_lost(sdata,
ifmgd->associated->bssid,
WLAN_REASON_UNSPECIFIED);
@@ -2999,7 +2974,7 @@ void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata)
/* scan finished notification */
void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local)
{
- struct ieee80211_sub_if_data *sdata = local->scan_sdata;
+ struct ieee80211_sub_if_data *sdata;
/* Restart STA timers */
rcu_read_lock();
@@ -3029,7 +3004,7 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata,
struct ieee80211_local *local = sdata->local;
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct ieee80211_bss *bss = (void *)cbss->priv;
- struct sta_info *sta;
+ struct sta_info *sta = NULL;
bool have_sta = false;
int err;
int ht_cfreq;
@@ -3082,13 +3057,11 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata,
* since we look at probe response/beacon data here
* it should be OK.
*/
- printk(KERN_DEBUG
- "%s: Wrong control channel: center-freq: %d"
- " ht-cfreq: %d ht->primary_chan: %d"
- " band: %d. Disabling HT.\n",
- sdata->name, cbss->channel->center_freq,
- ht_cfreq, ht_oper->primary_chan,
- cbss->channel->band);
+ sdata_info(sdata,
+ "Wrong control channel: center-freq: %d ht-cfreq: %d ht->primary_chan: %d band: %d - Disabling HT\n",
+ cbss->channel->center_freq,
+ ht_cfreq, ht_oper->primary_chan,
+ cbss->channel->band);
ht_oper = NULL;
}
}
@@ -3112,9 +3085,8 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata,
if (!ieee80211_set_channel_type(local, sdata, channel_type)) {
/* can only fail due to HT40+/- mismatch */
channel_type = NL80211_CHAN_HT20;
- printk(KERN_DEBUG
- "%s: disabling 40 MHz due to multi-vif mismatch\n",
- sdata->name);
+ sdata_info(sdata,
+ "disabling 40 MHz due to multi-vif mismatch\n");
ifmgd->flags |= IEEE80211_STA_DISABLE_40MHZ;
WARN_ON(!ieee80211_set_channel_type(local, sdata,
channel_type));
@@ -3123,7 +3095,7 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata,
local->oper_channel = cbss->channel;
ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
- if (!have_sta) {
+ if (sta) {
u32 rates = 0, basic_rates = 0;
bool have_higher_than_11mbit;
int min_rate = INT_MAX, min_rate_index = -1;
@@ -3143,9 +3115,8 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata,
* we can connect -- with a warning.
*/
if (!basic_rates && min_rate_index >= 0) {
- printk(KERN_DEBUG
- "%s: No basic rates, using min rate instead.\n",
- sdata->name);
+ sdata_info(sdata,
+ "No basic rates, using min rate instead\n");
basic_rates = BIT(min_rate_index);
}
@@ -3161,9 +3132,15 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata,
memcpy(ifmgd->bssid, cbss->bssid, ETH_ALEN);
- /* tell driver about BSSID and basic rates */
+ /* set timing information */
+ sdata->vif.bss_conf.beacon_int = cbss->beacon_interval;
+ sdata->vif.bss_conf.sync_tsf = cbss->tsf;
+ sdata->vif.bss_conf.sync_device_ts = bss->device_ts;
+
+ /* tell driver about BSSID, basic rates and timing */
ieee80211_bss_info_change_notify(sdata,
- BSS_CHANGED_BSSID | BSS_CHANGED_BASIC_RATES);
+ BSS_CHANGED_BSSID | BSS_CHANGED_BASIC_RATES |
+ BSS_CHANGED_BEACON_INT);
if (assoc)
sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
@@ -3171,9 +3148,9 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata,
err = sta_info_insert(sta);
sta = NULL;
if (err) {
- printk(KERN_DEBUG
- "%s: failed to insert STA entry for the AP (error %d)\n",
- sdata->name, err);
+ sdata_info(sdata,
+ "failed to insert STA entry for the AP (error %d)\n",
+ err);
return err;
}
} else
@@ -3251,8 +3228,7 @@ int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
if (ifmgd->associated)
ieee80211_set_disassoc(sdata, 0, 0, false, NULL);
- printk(KERN_DEBUG "%s: authenticate with %pM\n",
- sdata->name, req->bss->bssid);
+ sdata_info(sdata, "authenticate with %pM\n", req->bss->bssid);
err = ieee80211_prep_connection(sdata, req->bss, false);
if (err)
@@ -3287,7 +3263,7 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
struct ieee80211_bss *bss = (void *)req->bss->priv;
struct ieee80211_mgd_assoc_data *assoc_data;
struct ieee80211_supported_band *sband;
- const u8 *ssidie;
+ const u8 *ssidie, *ht_ie;
int i, err;
ssidie = ieee80211_bss_get_ie(req->bss, WLAN_EID_SSID);
@@ -3335,11 +3311,15 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
* We can set this to true for non-11n hardware, that'll be checked
* separately along with the peer capabilities.
*/
- for (i = 0; i < req->crypto.n_ciphers_pairwise; i++)
+ for (i = 0; i < req->crypto.n_ciphers_pairwise; i++) {
if (req->crypto.ciphers_pairwise[i] == WLAN_CIPHER_SUITE_WEP40 ||
req->crypto.ciphers_pairwise[i] == WLAN_CIPHER_SUITE_TKIP ||
- req->crypto.ciphers_pairwise[i] == WLAN_CIPHER_SUITE_WEP104)
+ req->crypto.ciphers_pairwise[i] == WLAN_CIPHER_SUITE_WEP104) {
ifmgd->flags |= IEEE80211_STA_DISABLE_11N;
+ netdev_info(sdata->dev,
+ "disabling HT due to WEP/TKIP use\n");
+ }
+ }
if (req->flags & ASSOC_REQ_DISABLE_HT)
ifmgd->flags |= IEEE80211_STA_DISABLE_11N;
@@ -3347,8 +3327,11 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
/* Also disable HT if we don't support it or the AP doesn't use WMM */
sband = local->hw.wiphy->bands[req->bss->channel->band];
if (!sband->ht_cap.ht_supported ||
- local->hw.queues < IEEE80211_NUM_ACS || !bss->wmm_used)
+ local->hw.queues < IEEE80211_NUM_ACS || !bss->wmm_used) {
ifmgd->flags |= IEEE80211_STA_DISABLE_11N;
+ netdev_info(sdata->dev,
+ "disabling HT as WMM/QoS is not supported\n");
+ }
memcpy(&ifmgd->ht_capa, &req->ht_capa, sizeof(ifmgd->ht_capa));
memcpy(&ifmgd->ht_capa_mask, &req->ht_capa_mask,
@@ -3374,8 +3357,13 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
(local->hw.queues >= IEEE80211_NUM_ACS);
assoc_data->supp_rates = bss->supp_rates;
assoc_data->supp_rates_len = bss->supp_rates_len;
- assoc_data->ht_operation_ie =
- ieee80211_bss_get_ie(req->bss, WLAN_EID_HT_OPERATION);
+
+ ht_ie = ieee80211_bss_get_ie(req->bss, WLAN_EID_HT_OPERATION);
+ if (ht_ie && ht_ie[1] >= sizeof(struct ieee80211_ht_operation))
+ assoc_data->ap_ht_param =
+ ((struct ieee80211_ht_operation *)(ht_ie + 2))->ht_param;
+ else
+ ifmgd->flags |= IEEE80211_STA_DISABLE_11N;
if (bss->wmm_used && bss->uapsd_supported &&
(sdata->local->hw.flags & IEEE80211_HW_SUPPORTS_UAPSD)) {
@@ -3422,8 +3410,8 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
* Wait up to one beacon interval ...
* should this be more if we miss one?
*/
- printk(KERN_DEBUG "%s: waiting for beacon from %pM\n",
- sdata->name, ifmgd->bssid);
+ sdata_info(sdata, "waiting for beacon from %pM\n",
+ ifmgd->bssid);
assoc_data->timeout = TU_TO_EXP_TIME(req->bss->beacon_interval);
} else {
assoc_data->have_beacon = true;
@@ -3442,8 +3430,8 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
corrupt_type = "beacon";
} else if (bss->corrupt_data & IEEE80211_BSS_CORRUPT_PROBE_RESP)
corrupt_type = "probe response";
- printk(KERN_DEBUG "%s: associating with AP with corrupt %s\n",
- sdata->name, corrupt_type);
+ sdata_info(sdata, "associating with AP with corrupt %s\n",
+ corrupt_type);
}
err = 0;
@@ -3472,9 +3460,9 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
return 0;
}
- printk(KERN_DEBUG
- "%s: deauthenticating from %pM by local choice (reason=%d)\n",
- sdata->name, req->bssid, req->reason_code);
+ sdata_info(sdata,
+ "deauthenticating from %pM by local choice (reason=%d)\n",
+ req->bssid, req->reason_code);
if (ifmgd->associated &&
ether_addr_equal(ifmgd->associated->bssid, req->bssid))
@@ -3516,8 +3504,9 @@ int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata,
return -ENOLINK;
}
- printk(KERN_DEBUG "%s: disassociating from %pM by local choice (reason=%d)\n",
- sdata->name, req->bss->bssid, req->reason_code);
+ sdata_info(sdata,
+ "disassociating from %pM by local choice (reason=%d)\n",
+ req->bss->bssid, req->reason_code);
memcpy(bssid, req->bss->bssid, ETH_ALEN);
ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DISASSOC,
@@ -3558,10 +3547,3 @@ void ieee80211_cqm_rssi_notify(struct ieee80211_vif *vif,
cfg80211_cqm_rssi_notify(sdata->dev, rssi_event, gfp);
}
EXPORT_SYMBOL(ieee80211_cqm_rssi_notify);
-
-unsigned char ieee80211_get_operstate(struct ieee80211_vif *vif)
-{
- struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
- return sdata->dev->operstate;
-}
-EXPORT_SYMBOL(ieee80211_get_operstate);
diff --git a/net/mac80211/offchannel.c b/net/mac80211/offchannel.c
index 935aa4b..635c325 100644
--- a/net/mac80211/offchannel.c
+++ b/net/mac80211/offchannel.c
@@ -15,7 +15,7 @@
#include <linux/export.h>
#include <net/mac80211.h>
#include "ieee80211_i.h"
-#include "driver-trace.h"
+#include "driver-ops.h"
/*
* Tell our hardware to disable PS.
@@ -24,8 +24,7 @@
* because we *may* be doing work on-operating channel, and want our
* hardware unconditionally awake, but still let the AP send us normal frames.
*/
-static void ieee80211_offchannel_ps_enable(struct ieee80211_sub_if_data *sdata,
- bool tell_ap)
+static void ieee80211_offchannel_ps_enable(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
@@ -46,8 +45,8 @@ static void ieee80211_offchannel_ps_enable(struct ieee80211_sub_if_data *sdata,
ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
}
- if (tell_ap && (!local->offchannel_ps_enabled ||
- !(local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK)))
+ if (!local->offchannel_ps_enabled ||
+ !(local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK))
/*
* If power save was enabled, no need to send a nullfunc
* frame because AP knows that we are sleeping. But if the
@@ -132,7 +131,7 @@ void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local,
if (offchannel_ps_enable &&
(sdata->vif.type == NL80211_IFTYPE_STATION) &&
sdata->u.mgd.associated)
- ieee80211_offchannel_ps_enable(sdata, true);
+ ieee80211_offchannel_ps_enable(sdata);
}
}
mutex_unlock(&local->iflist_mtx);
@@ -181,34 +180,58 @@ void ieee80211_offchannel_return(struct ieee80211_local *local,
mutex_unlock(&local->iflist_mtx);
}
+void ieee80211_handle_roc_started(struct ieee80211_roc_work *roc)
+{
+ if (roc->notified)
+ return;
+
+ if (roc->mgmt_tx_cookie) {
+ if (!WARN_ON(!roc->frame)) {
+ ieee80211_tx_skb(roc->sdata, roc->frame);
+ roc->frame = NULL;
+ }
+ } else {
+ cfg80211_ready_on_channel(&roc->sdata->wdev, (unsigned long)roc,
+ roc->chan, roc->chan_type,
+ roc->req_duration, GFP_KERNEL);
+ }
+
+ roc->notified = true;
+}
+
static void ieee80211_hw_roc_start(struct work_struct *work)
{
struct ieee80211_local *local =
container_of(work, struct ieee80211_local, hw_roc_start);
- struct ieee80211_sub_if_data *sdata;
+ struct ieee80211_roc_work *roc, *dep, *tmp;
mutex_lock(&local->mtx);
- if (!local->hw_roc_channel) {
- mutex_unlock(&local->mtx);
- return;
- }
+ if (list_empty(&local->roc_list))
+ goto out_unlock;
- if (local->hw_roc_skb) {
- sdata = IEEE80211_DEV_TO_SUB_IF(local->hw_roc_dev);
- ieee80211_tx_skb(sdata, local->hw_roc_skb);
- local->hw_roc_skb = NULL;
- } else {
- cfg80211_ready_on_channel(local->hw_roc_dev,
- local->hw_roc_cookie,
- local->hw_roc_channel,
- local->hw_roc_channel_type,
- local->hw_roc_duration,
- GFP_KERNEL);
- }
+ roc = list_first_entry(&local->roc_list, struct ieee80211_roc_work,
+ list);
+
+ if (!roc->started)
+ goto out_unlock;
- ieee80211_recalc_idle(local);
+ roc->hw_begun = true;
+ roc->hw_start_time = local->hw_roc_start_time;
+ ieee80211_handle_roc_started(roc);
+ list_for_each_entry_safe(dep, tmp, &roc->dependents, list) {
+ ieee80211_handle_roc_started(dep);
+
+ if (dep->duration > roc->duration) {
+ u32 dur = dep->duration;
+ dep->duration = dur - roc->duration;
+ roc->duration = dur;
+ list_del(&dep->list);
+ list_add(&dep->list, &roc->list);
+ }
+ }
+ out_unlock:
mutex_unlock(&local->mtx);
}
@@ -216,52 +239,181 @@ void ieee80211_ready_on_channel(struct ieee80211_hw *hw)
{
struct ieee80211_local *local = hw_to_local(hw);
+ local->hw_roc_start_time = jiffies;
+
trace_api_ready_on_channel(local);
ieee80211_queue_work(hw, &local->hw_roc_start);
}
EXPORT_SYMBOL_GPL(ieee80211_ready_on_channel);
-static void ieee80211_hw_roc_done(struct work_struct *work)
+void ieee80211_start_next_roc(struct ieee80211_local *local)
{
- struct ieee80211_local *local =
- container_of(work, struct ieee80211_local, hw_roc_done);
+ struct ieee80211_roc_work *roc;
- mutex_lock(&local->mtx);
+ lockdep_assert_held(&local->mtx);
- if (!local->hw_roc_channel) {
- mutex_unlock(&local->mtx);
+ if (list_empty(&local->roc_list)) {
+ ieee80211_run_deferred_scan(local);
return;
}
- /* was never transmitted */
- if (local->hw_roc_skb) {
- u64 cookie;
+ roc = list_first_entry(&local->roc_list, struct ieee80211_roc_work,
+ list);
- cookie = local->hw_roc_cookie ^ 2;
+ if (WARN_ON_ONCE(roc->started))
+ return;
+
+ if (local->ops->remain_on_channel) {
+ int ret, duration = roc->duration;
+
+ /* XXX: duplicated, see ieee80211_start_roc_work() */
+ if (!duration)
+ duration = 10;
+
+ ret = drv_remain_on_channel(local, roc->chan,
+ roc->chan_type,
+ duration);
+
+ roc->started = true;
+
+ if (ret) {
+ wiphy_warn(local->hw.wiphy,
+ "failed to start next HW ROC (%d)\n", ret);
+ /*
+ * queue the work struct again to avoid recursion
+ * when multiple failures occur
+ */
+ ieee80211_remain_on_channel_expired(&local->hw);
+ }
+ } else {
+ /* delay it a bit */
+ ieee80211_queue_delayed_work(&local->hw, &roc->work,
+ round_jiffies_relative(HZ/2));
+ }
+}
- cfg80211_mgmt_tx_status(local->hw_roc_dev, cookie,
- local->hw_roc_skb->data,
- local->hw_roc_skb->len, false,
- GFP_KERNEL);
+void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc)
+{
+ struct ieee80211_roc_work *dep, *tmp;
- kfree_skb(local->hw_roc_skb);
- local->hw_roc_skb = NULL;
- local->hw_roc_skb_for_status = NULL;
+ /* was never transmitted */
+ if (roc->frame) {
+ cfg80211_mgmt_tx_status(&roc->sdata->wdev,
+ (unsigned long)roc->frame,
+ roc->frame->data, roc->frame->len,
+ false, GFP_KERNEL);
+ kfree_skb(roc->frame);
}
- if (!local->hw_roc_for_tx)
- cfg80211_remain_on_channel_expired(local->hw_roc_dev,
- local->hw_roc_cookie,
- local->hw_roc_channel,
- local->hw_roc_channel_type,
+ if (!roc->mgmt_tx_cookie)
+ cfg80211_remain_on_channel_expired(&roc->sdata->wdev,
+ (unsigned long)roc,
+ roc->chan, roc->chan_type,
GFP_KERNEL);
- local->hw_roc_channel = NULL;
- local->hw_roc_cookie = 0;
+ list_for_each_entry_safe(dep, tmp, &roc->dependents, list)
+ ieee80211_roc_notify_destroy(dep);
+
+ kfree(roc);
+}
+
+void ieee80211_sw_roc_work(struct work_struct *work)
+{
+ struct ieee80211_roc_work *roc =
+ container_of(work, struct ieee80211_roc_work, work.work);
+ struct ieee80211_sub_if_data *sdata = roc->sdata;
+ struct ieee80211_local *local = sdata->local;
+ bool started;
+
+ mutex_lock(&local->mtx);
+
+ if (roc->abort)
+ goto finish;
+
+ if (WARN_ON(list_empty(&local->roc_list)))
+ goto out_unlock;
+
+ if (WARN_ON(roc != list_first_entry(&local->roc_list,
+ struct ieee80211_roc_work,
+ list)))
+ goto out_unlock;
- ieee80211_recalc_idle(local);
+ if (!roc->started) {
+ struct ieee80211_roc_work *dep;
+ /* start this ROC */
+
+ /* switch channel etc */
+ ieee80211_recalc_idle(local);
+
+ local->tmp_channel = roc->chan;
+ local->tmp_channel_type = roc->chan_type;
+ ieee80211_hw_config(local, 0);
+
+ /* tell userspace or send frame */
+ ieee80211_handle_roc_started(roc);
+ list_for_each_entry(dep, &roc->dependents, list)
+ ieee80211_handle_roc_started(dep);
+
+ /* if it was pure TX, just finish right away */
+ if (!roc->duration)
+ goto finish;
+
+ roc->started = true;
+ ieee80211_queue_delayed_work(&local->hw, &roc->work,
+ msecs_to_jiffies(roc->duration));
+ } else {
+ /* finish this ROC */
+ finish:
+ list_del(&roc->list);
+ started = roc->started;
+ ieee80211_roc_notify_destroy(roc);
+
+ if (started) {
+ drv_flush(local, false);
+
+ local->tmp_channel = NULL;
+ ieee80211_hw_config(local, 0);
+
+ ieee80211_offchannel_return(local, true);
+ }
+
+ ieee80211_recalc_idle(local);
+
+ if (started)
+ ieee80211_start_next_roc(local);
+ }
+
+ out_unlock:
+ mutex_unlock(&local->mtx);
+}
+
+static void ieee80211_hw_roc_done(struct work_struct *work)
+{
+ struct ieee80211_local *local =
+ container_of(work, struct ieee80211_local, hw_roc_done);
+ struct ieee80211_roc_work *roc;
+
+ mutex_lock(&local->mtx);
+
+ if (list_empty(&local->roc_list))
+ goto out_unlock;
+
+ roc = list_first_entry(&local->roc_list, struct ieee80211_roc_work,
+ list);
+
+ if (!roc->started)
+ goto out_unlock;
+
+ list_del(&roc->list);
+
+ ieee80211_roc_notify_destroy(roc);
+
+ /* if there's another roc, start it now */
+ ieee80211_start_next_roc(local);
+
+ out_unlock:
mutex_unlock(&local->mtx);
}
@@ -275,8 +427,47 @@ void ieee80211_remain_on_channel_expired(struct ieee80211_hw *hw)
}
EXPORT_SYMBOL_GPL(ieee80211_remain_on_channel_expired);
-void ieee80211_hw_roc_setup(struct ieee80211_local *local)
+void ieee80211_roc_setup(struct ieee80211_local *local)
{
INIT_WORK(&local->hw_roc_start, ieee80211_hw_roc_start);
INIT_WORK(&local->hw_roc_done, ieee80211_hw_roc_done);
+ INIT_LIST_HEAD(&local->roc_list);
+}
+
+void ieee80211_roc_purge(struct ieee80211_sub_if_data *sdata)
+{
+ struct ieee80211_local *local = sdata->local;
+ struct ieee80211_roc_work *roc, *tmp;
+ LIST_HEAD(tmp_list);
+
+ mutex_lock(&local->mtx);
+ list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
+ if (roc->sdata != sdata)
+ continue;
+
+ if (roc->started && local->ops->remain_on_channel) {
+ /* can race, so ignore return value */
+ drv_cancel_remain_on_channel(local);
+ }
+
+ list_move_tail(&roc->list, &tmp_list);
+ roc->abort = true;
+ }
+
+ ieee80211_start_next_roc(local);
+ mutex_unlock(&local->mtx);
+
+ list_for_each_entry_safe(roc, tmp, &tmp_list, list) {
+ if (local->ops->remain_on_channel) {
+ list_del(&roc->list);
+ ieee80211_roc_notify_destroy(roc);
+ } else {
+ ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
+
+ /* work will clean up etc */
+ flush_delayed_work(&roc->work);
+ }
+ }
+
+ WARN_ON_ONCE(!list_empty(&tmp_list));
}
diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c
index af1c4e2..5c572e7 100644
--- a/net/mac80211/pm.c
+++ b/net/mac80211/pm.c
@@ -77,6 +77,17 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
int err = drv_suspend(local, wowlan);
if (err < 0) {
local->quiescing = false;
+ local->wowlan = false;
+ if (hw->flags & IEEE80211_HW_AMPDU_AGGREGATION) {
+ mutex_lock(&local->sta_mtx);
+ list_for_each_entry(sta,
+ &local->sta_list, list) {
+ clear_sta_flag(sta, WLAN_STA_BLOCK_BA);
+ }
+ mutex_unlock(&local->sta_mtx);
+ }
+ ieee80211_wake_queues_by_reason(hw,
+ IEEE80211_QUEUE_STOP_REASON_SUSPEND);
return err;
} else if (err > 0) {
WARN_ON(err != 1);
diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c
index f9e51ef..fb1d4aa 100644
--- a/net/mac80211/rc80211_minstrel_ht.c
+++ b/net/mac80211/rc80211_minstrel_ht.c
@@ -626,8 +626,12 @@ minstrel_ht_get_rate(void *priv, struct ieee80211_sta *sta, void *priv_sta,
#ifdef CONFIG_MAC80211_DEBUGFS
/* use fixed index if set */
- if (mp->fixed_rate_idx != -1)
- sample_idx = mp->fixed_rate_idx;
+ if (mp->fixed_rate_idx != -1) {
+ mi->max_tp_rate = mp->fixed_rate_idx;
+ mi->max_tp_rate2 = mp->fixed_rate_idx;
+ mi->max_prob_rate = mp->fixed_rate_idx;
+ sample_idx = -1;
+ }
#endif
if (sample_idx >= 0) {
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 965e6ec..0cb4ede 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -94,7 +94,7 @@ ieee80211_rx_radiotap_len(struct ieee80211_local *local,
return len;
}
-/*
+/**
* ieee80211_add_rx_radiotap_header - add radiotap header
*
* add a radiotap header containing all the fields which the hardware provided.
@@ -413,29 +413,6 @@ static void ieee80211_verify_alignment(struct ieee80211_rx_data *rx)
/* rx handlers */
-static ieee80211_rx_result debug_noinline
-ieee80211_rx_h_passive_scan(struct ieee80211_rx_data *rx)
-{
- struct ieee80211_local *local = rx->local;
- struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb);
- struct sk_buff *skb = rx->skb;
-
- if (likely(!(status->rx_flags & IEEE80211_RX_IN_SCAN) &&
- !local->sched_scanning))
- return RX_CONTINUE;
-
- if (test_bit(SCAN_HW_SCANNING, &local->scanning) ||
- test_bit(SCAN_SW_SCANNING, &local->scanning) ||
- test_bit(SCAN_ONCHANNEL_SCANNING, &local->scanning) ||
- local->sched_scanning)
- return ieee80211_scan_rx(rx->sdata, skb);
-
- /* scanning finished during invoking of handlers */
- I802_DEBUG_INC(local->rx_handlers_drop_passive_scan);
- return RX_DROP_UNUSABLE;
-}
-
-
static int ieee80211_is_unicast_robust_mgmt_frame(struct sk_buff *skb)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
@@ -554,11 +531,11 @@ static inline u16 seq_sub(u16 sq1, u16 sq2)
}
-static void ieee80211_release_reorder_frame(struct ieee80211_hw *hw,
+static void ieee80211_release_reorder_frame(struct ieee80211_sub_if_data *sdata,
struct tid_ampdu_rx *tid_agg_rx,
int index)
{
- struct ieee80211_local *local = hw_to_local(hw);
+ struct ieee80211_local *local = sdata->local;
struct sk_buff *skb = tid_agg_rx->reorder_buf[index];
struct ieee80211_rx_status *status;
@@ -578,7 +555,7 @@ no_frame:
tid_agg_rx->head_seq_num = seq_inc(tid_agg_rx->head_seq_num);
}
-static void ieee80211_release_reorder_frames(struct ieee80211_hw *hw,
+static void ieee80211_release_reorder_frames(struct ieee80211_sub_if_data *sdata,
struct tid_ampdu_rx *tid_agg_rx,
u16 head_seq_num)
{
@@ -589,7 +566,7 @@ static void ieee80211_release_reorder_frames(struct ieee80211_hw *hw,
while (seq_less(tid_agg_rx->head_seq_num, head_seq_num)) {
index = seq_sub(tid_agg_rx->head_seq_num, tid_agg_rx->ssn) %
tid_agg_rx->buf_size;
- ieee80211_release_reorder_frame(hw, tid_agg_rx, index);
+ ieee80211_release_reorder_frame(sdata, tid_agg_rx, index);
}
}
@@ -604,7 +581,7 @@ static void ieee80211_release_reorder_frames(struct ieee80211_hw *hw,
*/
#define HT_RX_REORDER_BUF_TIMEOUT (HZ / 10)
-static void ieee80211_sta_reorder_release(struct ieee80211_hw *hw,
+static void ieee80211_sta_reorder_release(struct ieee80211_sub_if_data *sdata,
struct tid_ampdu_rx *tid_agg_rx)
{
int index, j;
@@ -632,12 +609,9 @@ static void ieee80211_sta_reorder_release(struct ieee80211_hw *hw,
HT_RX_REORDER_BUF_TIMEOUT))
goto set_release_timer;
-#ifdef CONFIG_MAC80211_HT_DEBUG
- if (net_ratelimit())
- wiphy_debug(hw->wiphy,
- "release an RX reorder frame due to timeout on earlier frames\n");
-#endif
- ieee80211_release_reorder_frame(hw, tid_agg_rx, j);
+ ht_dbg_ratelimited(sdata,
+ "release an RX reorder frame due to timeout on earlier frames\n");
+ ieee80211_release_reorder_frame(sdata, tid_agg_rx, j);
/*
* Increment the head seq# also for the skipped slots.
@@ -647,7 +621,7 @@ static void ieee80211_sta_reorder_release(struct ieee80211_hw *hw,
skipped = 0;
}
} else while (tid_agg_rx->reorder_buf[index]) {
- ieee80211_release_reorder_frame(hw, tid_agg_rx, index);
+ ieee80211_release_reorder_frame(sdata, tid_agg_rx, index);
index = seq_sub(tid_agg_rx->head_seq_num, tid_agg_rx->ssn) %
tid_agg_rx->buf_size;
}
@@ -677,7 +651,7 @@ static void ieee80211_sta_reorder_release(struct ieee80211_hw *hw,
* rcu_read_lock protection. It returns false if the frame
* can be processed immediately, true if it was consumed.
*/
-static bool ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw,
+static bool ieee80211_sta_manage_reorder_buf(struct ieee80211_sub_if_data *sdata,
struct tid_ampdu_rx *tid_agg_rx,
struct sk_buff *skb)
{
@@ -706,7 +680,8 @@ static bool ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw,
if (!seq_less(mpdu_seq_num, head_seq_num + buf_size)) {
head_seq_num = seq_inc(seq_sub(mpdu_seq_num, buf_size));
/* release stored frames up to new head to stack */
- ieee80211_release_reorder_frames(hw, tid_agg_rx, head_seq_num);
+ ieee80211_release_reorder_frames(sdata, tid_agg_rx,
+ head_seq_num);
}
/* Now the new frame is always in the range of the reordering buffer */
@@ -736,7 +711,7 @@ static bool ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw,
tid_agg_rx->reorder_buf[index] = skb;
tid_agg_rx->reorder_time[index] = jiffies;
tid_agg_rx->stored_mpdu_num++;
- ieee80211_sta_reorder_release(hw, tid_agg_rx);
+ ieee80211_sta_reorder_release(sdata, tid_agg_rx);
out:
spin_unlock(&tid_agg_rx->reorder_lock);
@@ -751,7 +726,6 @@ static void ieee80211_rx_reorder_ampdu(struct ieee80211_rx_data *rx)
{
struct sk_buff *skb = rx->skb;
struct ieee80211_local *local = rx->local;
- struct ieee80211_hw *hw = &local->hw;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
struct sta_info *sta = rx->sta;
@@ -813,7 +787,7 @@ static void ieee80211_rx_reorder_ampdu(struct ieee80211_rx_data *rx)
* sure that we cannot get to it any more before doing
* anything with it.
*/
- if (ieee80211_sta_manage_reorder_buf(hw, tid_agg_rx, skb))
+ if (ieee80211_sta_manage_reorder_buf(rx->sdata, tid_agg_rx, skb))
return;
dont_reorder:
@@ -1136,24 +1110,18 @@ static void ap_sta_ps_start(struct sta_info *sta)
set_sta_flag(sta, WLAN_STA_PS_STA);
if (!(local->hw.flags & IEEE80211_HW_AP_LINK_PS))
drv_sta_notify(local, sdata, STA_NOTIFY_SLEEP, &sta->sta);
-#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
- printk(KERN_DEBUG "%s: STA %pM aid %d enters power save mode\n",
- sdata->name, sta->sta.addr, sta->sta.aid);
-#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
+ ps_dbg(sdata, "STA %pM aid %d enters power save mode\n",
+ sta->sta.addr, sta->sta.aid);
}
static void ap_sta_ps_end(struct sta_info *sta)
{
-#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
- printk(KERN_DEBUG "%s: STA %pM aid %d exits power save mode\n",
- sta->sdata->name, sta->sta.addr, sta->sta.aid);
-#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
+ ps_dbg(sta->sdata, "STA %pM aid %d exits power save mode\n",
+ sta->sta.addr, sta->sta.aid);
if (test_sta_flag(sta, WLAN_STA_PS_DRIVER)) {
-#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
- printk(KERN_DEBUG "%s: STA %pM aid %d driver-ps-blocked\n",
- sta->sdata->name, sta->sta.addr, sta->sta.aid);
-#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
+ ps_dbg(sta->sdata, "STA %pM aid %d driver-ps-blocked\n",
+ sta->sta.addr, sta->sta.aid);
return;
}
@@ -1383,19 +1351,8 @@ ieee80211_reassemble_add(struct ieee80211_sub_if_data *sdata,
if (sdata->fragment_next >= IEEE80211_FRAGMENT_MAX)
sdata->fragment_next = 0;
- if (!skb_queue_empty(&entry->skb_list)) {
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- struct ieee80211_hdr *hdr =
- (struct ieee80211_hdr *) entry->skb_list.next->data;
- printk(KERN_DEBUG "%s: RX reassembly removed oldest "
- "fragment entry (idx=%d age=%lu seq=%d last_frag=%d "
- "addr1=%pM addr2=%pM\n",
- sdata->name, idx,
- jiffies - entry->first_frag_time, entry->seq,
- entry->last_frag, hdr->addr1, hdr->addr2);
-#endif
+ if (!skb_queue_empty(&entry->skb_list))
__skb_queue_purge(&entry->skb_list);
- }
__skb_queue_tail(&entry->skb_list, *skb); /* no need for locking */
*skb = NULL;
@@ -1753,7 +1710,7 @@ ieee80211_deliver_skb(struct ieee80211_rx_data *rx)
*/
xmit_skb = skb_copy(skb, GFP_ATOMIC);
if (!xmit_skb)
- net_dbg_ratelimited("%s: failed to clone multicast frame\n",
+ net_info_ratelimited("%s: failed to clone multicast frame\n",
dev->name);
} else {
dsta = sta_info_get(sdata, skb->data);
@@ -1937,7 +1894,7 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
ether_addr_equal(sdata->vif.addr, hdr->addr3))
return RX_CONTINUE;
- q = ieee80211_select_queue_80211(local, skb, hdr);
+ q = ieee80211_select_queue_80211(sdata, skb, hdr);
if (ieee80211_queue_stopped(&local->hw, q)) {
IEEE80211_IFSTA_MESH_CTR_INC(ifmsh, dropped_frames_congestion);
return RX_DROP_MONITOR;
@@ -1957,7 +1914,7 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
fwd_skb = skb_copy(skb, GFP_ATOMIC);
if (!fwd_skb) {
- net_dbg_ratelimited("%s: failed to clone mesh frame\n",
+ net_info_ratelimited("%s: failed to clone mesh frame\n",
sdata->name);
goto out;
}
@@ -2060,8 +2017,6 @@ ieee80211_rx_h_data(struct ieee80211_rx_data *rx)
static ieee80211_rx_result debug_noinline
ieee80211_rx_h_ctrl(struct ieee80211_rx_data *rx)
{
- struct ieee80211_local *local = rx->local;
- struct ieee80211_hw *hw = &local->hw;
struct sk_buff *skb = rx->skb;
struct ieee80211_bar *bar = (struct ieee80211_bar *)skb->data;
struct tid_ampdu_rx *tid_agg_rx;
@@ -2098,7 +2053,8 @@ ieee80211_rx_h_ctrl(struct ieee80211_rx_data *rx)
spin_lock(&tid_agg_rx->reorder_lock);
/* release stored frames up to start of BAR */
- ieee80211_release_reorder_frames(hw, tid_agg_rx, start_seq_num);
+ ieee80211_release_reorder_frames(rx->sdata, tid_agg_rx,
+ start_seq_num);
spin_unlock(&tid_agg_rx->reorder_lock);
kfree_skb(skb);
@@ -2425,7 +2381,7 @@ ieee80211_rx_h_userspace_mgmt(struct ieee80211_rx_data *rx)
if (rx->local->hw.flags & IEEE80211_HW_SIGNAL_DBM)
sig = status->signal;
- if (cfg80211_rx_mgmt(rx->sdata->dev, status->freq, sig,
+ if (cfg80211_rx_mgmt(&rx->sdata->wdev, status->freq, sig,
rx->skb->data, rx->skb->len,
GFP_ATOMIC)) {
if (rx->sta)
@@ -2716,7 +2672,6 @@ static void ieee80211_invoke_rx_handlers(struct ieee80211_rx_data *rx)
goto rxh_next; \
} while (0);
- CALL_RXH(ieee80211_rx_h_passive_scan)
CALL_RXH(ieee80211_rx_h_check)
ieee80211_rx_reorder_ampdu(rx);
@@ -2752,7 +2707,7 @@ void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid)
return;
spin_lock(&tid_agg_rx->reorder_lock);
- ieee80211_sta_reorder_release(&sta->local->hw, tid_agg_rx);
+ ieee80211_sta_reorder_release(sta->sdata, tid_agg_rx);
spin_unlock(&tid_agg_rx->reorder_lock);
ieee80211_rx_handlers(&rx);
@@ -2786,11 +2741,8 @@ static int prepare_for_handlers(struct ieee80211_rx_data *rx,
return 0;
if (ieee80211_is_beacon(hdr->frame_control)) {
return 1;
- }
- else if (!ieee80211_bssid_match(bssid, sdata->u.ibss.bssid)) {
- if (!(status->rx_flags & IEEE80211_RX_IN_SCAN))
- return 0;
- status->rx_flags &= ~IEEE80211_RX_RA_MATCH;
+ } else if (!ieee80211_bssid_match(bssid, sdata->u.ibss.bssid)) {
+ return 0;
} else if (!multicast &&
!ether_addr_equal(sdata->vif.addr, hdr->addr1)) {
if (!(sdata->dev->flags & IFF_PROMISC))
@@ -2828,11 +2780,9 @@ static int prepare_for_handlers(struct ieee80211_rx_data *rx,
* and location updates. Note that mac80211
* itself never looks at these frames.
*/
- if (!(status->rx_flags & IEEE80211_RX_IN_SCAN) &&
- ieee80211_is_public_action(hdr, skb->len))
+ if (ieee80211_is_public_action(hdr, skb->len))
return 1;
- if (!(status->rx_flags & IEEE80211_RX_IN_SCAN) &&
- !ieee80211_is_beacon(hdr->frame_control))
+ if (!ieee80211_is_beacon(hdr->frame_control))
return 0;
status->rx_flags &= ~IEEE80211_RX_RA_MATCH;
}
@@ -2898,7 +2848,6 @@ static bool ieee80211_prepare_and_rx_handle(struct ieee80211_rx_data *rx,
static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw,
struct sk_buff *skb)
{
- struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
struct ieee80211_local *local = hw_to_local(hw);
struct ieee80211_sub_if_data *sdata;
struct ieee80211_hdr *hdr;
@@ -2916,11 +2865,6 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw,
if (ieee80211_is_data(fc) || ieee80211_is_mgmt(fc))
local->dot11ReceivedFragmentCount++;
- if (unlikely(test_bit(SCAN_HW_SCANNING, &local->scanning) ||
- test_bit(SCAN_ONCHANNEL_SCANNING, &local->scanning) ||
- test_bit(SCAN_SW_SCANNING, &local->scanning)))
- status->rx_flags |= IEEE80211_RX_IN_SCAN;
-
if (ieee80211_is_mgmt(fc))
err = skb_linearize(skb);
else
@@ -2935,6 +2879,10 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw,
ieee80211_parse_qos(&rx);
ieee80211_verify_alignment(&rx);
+ if (unlikely(ieee80211_is_probe_resp(hdr->frame_control) ||
+ ieee80211_is_beacon(hdr->frame_control)))
+ ieee80211_scan_rx(local, skb);
+
if (ieee80211_is_data(fc)) {
prev_sta = NULL;
@@ -3032,6 +2980,10 @@ void ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb)
if (unlikely(local->quiescing || local->suspended))
goto drop;
+ /* We might be during a HW reconfig, prevent Rx for the same reason */
+ if (unlikely(local->in_reconfig))
+ goto drop;
+
/*
* The same happens when we're not even started,
* but that's worth a warning.
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index 7644181..df36280 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -83,13 +83,14 @@ ieee80211_bss_info_update(struct ieee80211_local *local,
cbss = cfg80211_inform_bss_frame(local->hw.wiphy, channel,
mgmt, len, signal, GFP_ATOMIC);
-
if (!cbss)
return NULL;
cbss->free_priv = ieee80211_rx_bss_free;
bss = (void *)cbss->priv;
+ bss->device_ts = rx_status->device_timestamp;
+
if (elems->parse_error) {
if (beacon)
bss->corrupt_data |= IEEE80211_BSS_CORRUPT_BEACON;
@@ -114,8 +115,7 @@ ieee80211_bss_info_update(struct ieee80211_local *local,
if (elems->tim && (!elems->parse_error ||
!(bss->valid_data & IEEE80211_BSS_VALID_DTIM))) {
- struct ieee80211_tim_ie *tim_ie =
- (struct ieee80211_tim_ie *)elems->tim;
+ struct ieee80211_tim_ie *tim_ie = elems->tim;
bss->dtim_period = tim_ie->dtim_period;
if (!elems->parse_error)
bss->valid_data |= IEEE80211_BSS_VALID_DTIM;
@@ -165,52 +165,47 @@ ieee80211_bss_info_update(struct ieee80211_local *local,
return bss;
}
-ieee80211_rx_result
-ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb)
+void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb)
{
struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(skb);
- struct ieee80211_mgmt *mgmt;
+ struct ieee80211_sub_if_data *sdata1, *sdata2;
+ struct ieee80211_mgmt *mgmt = (void *)skb->data;
struct ieee80211_bss *bss;
u8 *elements;
struct ieee80211_channel *channel;
size_t baselen;
int freq;
- __le16 fc;
- bool presp, beacon = false;
+ bool beacon;
struct ieee802_11_elems elems;
- if (skb->len < 2)
- return RX_DROP_UNUSABLE;
-
- mgmt = (struct ieee80211_mgmt *) skb->data;
- fc = mgmt->frame_control;
+ if (skb->len < 24 ||
+ (!ieee80211_is_probe_resp(mgmt->frame_control) &&
+ !ieee80211_is_beacon(mgmt->frame_control)))
+ return;
- if (ieee80211_is_ctl(fc))
- return RX_CONTINUE;
+ sdata1 = rcu_dereference(local->scan_sdata);
+ sdata2 = rcu_dereference(local->sched_scan_sdata);
- if (skb->len < 24)
- return RX_CONTINUE;
+ if (likely(!sdata1 && !sdata2))
+ return;
- presp = ieee80211_is_probe_resp(fc);
- if (presp) {
+ if (ieee80211_is_probe_resp(mgmt->frame_control)) {
/* ignore ProbeResp to foreign address */
- if (!ether_addr_equal(mgmt->da, sdata->vif.addr))
- return RX_DROP_MONITOR;
+ if ((!sdata1 || !ether_addr_equal(mgmt->da, sdata1->vif.addr)) &&
+ (!sdata2 || !ether_addr_equal(mgmt->da, sdata2->vif.addr)))
+ return;
- presp = true;
elements = mgmt->u.probe_resp.variable;
baselen = offsetof(struct ieee80211_mgmt, u.probe_resp.variable);
+ beacon = false;
} else {
- beacon = ieee80211_is_beacon(fc);
baselen = offsetof(struct ieee80211_mgmt, u.beacon.variable);
elements = mgmt->u.beacon.variable;
+ beacon = true;
}
- if (!presp && !beacon)
- return RX_CONTINUE;
-
if (baselen > skb->len)
- return RX_DROP_MONITOR;
+ return;
ieee802_11_parse_elems(elements, skb->len - baselen, &elems);
@@ -220,22 +215,16 @@ ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb)
else
freq = rx_status->freq;
- channel = ieee80211_get_channel(sdata->local->hw.wiphy, freq);
+ channel = ieee80211_get_channel(local->hw.wiphy, freq);
if (!channel || channel->flags & IEEE80211_CHAN_DISABLED)
- return RX_DROP_MONITOR;
+ return;
- bss = ieee80211_bss_info_update(sdata->local, rx_status,
+ bss = ieee80211_bss_info_update(local, rx_status,
mgmt, skb->len, &elems,
channel, beacon);
if (bss)
- ieee80211_rx_bss_put(sdata->local, bss);
-
- if (channel == sdata->local->oper_channel)
- return RX_CONTINUE;
-
- dev_kfree_skb(skb);
- return RX_QUEUED;
+ ieee80211_rx_bss_put(local, bss);
}
/* return false if no more work */
@@ -293,7 +282,13 @@ static void __ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted,
return;
if (was_hw_scan && !aborted && ieee80211_prep_hw_scan(local)) {
- int rc = drv_hw_scan(local, local->scan_sdata, local->hw_scan_req);
+ int rc;
+
+ rc = drv_hw_scan(local,
+ rcu_dereference_protected(local->scan_sdata,
+ lockdep_is_held(&local->mtx)),
+ local->hw_scan_req);
+
if (rc == 0)
return;
}
@@ -323,7 +318,7 @@ static void __ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted,
ieee80211_mlme_notify_scan_completed(local);
ieee80211_ibss_notify_scan_completed(local);
ieee80211_mesh_notify_scan_completed(local);
- ieee80211_queue_work(&local->hw, &local->work_work);
+ ieee80211_start_next_roc(local);
}
void ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
@@ -376,7 +371,7 @@ static int ieee80211_start_sw_scan(struct ieee80211_local *local)
static bool ieee80211_can_scan(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata)
{
- if (!list_empty(&local->work_list))
+ if (!list_empty(&local->roc_list))
return false;
if (sdata->vif.type == NL80211_IFTYPE_STATION &&
@@ -394,7 +389,10 @@ void ieee80211_run_deferred_scan(struct ieee80211_local *local)
if (!local->scan_req || local->scanning)
return;
- if (!ieee80211_can_scan(local, local->scan_sdata))
+ if (!ieee80211_can_scan(local,
+ rcu_dereference_protected(
+ local->scan_sdata,
+ lockdep_is_held(&local->mtx))))
return;
ieee80211_queue_delayed_work(&local->hw, &local->scan_work,
@@ -405,9 +403,12 @@ static void ieee80211_scan_state_send_probe(struct ieee80211_local *local,
unsigned long *next_delay)
{
int i;
- struct ieee80211_sub_if_data *sdata = local->scan_sdata;
+ struct ieee80211_sub_if_data *sdata;
enum ieee80211_band band = local->hw.conf.channel->band;
+ sdata = rcu_dereference_protected(local->scan_sdata,
+ lockdep_is_held(&local->mtx));;
+
for (i = 0; i < local->scan_req->n_ssids; i++)
ieee80211_send_probe_req(
sdata, NULL,
@@ -439,7 +440,7 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
if (!ieee80211_can_scan(local, sdata)) {
/* wait for the work to finish/time out */
local->scan_req = req;
- local->scan_sdata = sdata;
+ rcu_assign_pointer(local->scan_sdata, sdata);
return 0;
}
@@ -473,7 +474,7 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
}
local->scan_req = req;
- local->scan_sdata = sdata;
+ rcu_assign_pointer(local->scan_sdata, sdata);
if (local->ops->hw_scan) {
__set_bit(SCAN_HW_SCANNING, &local->scanning);
@@ -533,7 +534,7 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
ieee80211_recalc_idle(local);
local->scan_req = NULL;
- local->scan_sdata = NULL;
+ rcu_assign_pointer(local->scan_sdata, NULL);
}
return rc;
@@ -720,7 +721,8 @@ void ieee80211_scan_work(struct work_struct *work)
mutex_lock(&local->mtx);
- sdata = local->scan_sdata;
+ sdata = rcu_dereference_protected(local->scan_sdata,
+ lockdep_is_held(&local->mtx));
/* When scanning on-channel, the first-callback means completed. */
if (test_bit(SCAN_ONCHANNEL_SCANNING, &local->scanning)) {
@@ -741,7 +743,7 @@ void ieee80211_scan_work(struct work_struct *work)
int rc;
local->scan_req = NULL;
- local->scan_sdata = NULL;
+ rcu_assign_pointer(local->scan_sdata, NULL);
rc = __ieee80211_start_scan(sdata, req);
if (rc) {
@@ -893,7 +895,9 @@ void ieee80211_scan_cancel(struct ieee80211_local *local)
if (test_bit(SCAN_HW_SCANNING, &local->scanning)) {
if (local->ops->cancel_hw_scan)
- drv_cancel_hw_scan(local, local->scan_sdata);
+ drv_cancel_hw_scan(local,
+ rcu_dereference_protected(local->scan_sdata,
+ lockdep_is_held(&local->mtx)));
goto out;
}
@@ -915,9 +919,9 @@ int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata,
struct ieee80211_local *local = sdata->local;
int ret, i;
- mutex_lock(&sdata->local->mtx);
+ mutex_lock(&local->mtx);
- if (local->sched_scanning) {
+ if (rcu_access_pointer(local->sched_scan_sdata)) {
ret = -EBUSY;
goto out;
}
@@ -928,6 +932,9 @@ int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata,
}
for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
+ if (!local->hw.wiphy->bands[i])
+ continue;
+
local->sched_scan_ies.ie[i] = kzalloc(2 +
IEEE80211_MAX_SSID_LEN +
local->scan_ies_len +
@@ -948,7 +955,7 @@ int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata,
ret = drv_sched_scan_start(local, sdata, req,
&local->sched_scan_ies);
if (ret == 0) {
- local->sched_scanning = true;
+ rcu_assign_pointer(local->sched_scan_sdata, sdata);
goto out;
}
@@ -956,7 +963,7 @@ out_free:
while (i > 0)
kfree(local->sched_scan_ies.ie[--i]);
out:
- mutex_unlock(&sdata->local->mtx);
+ mutex_unlock(&local->mtx);
return ret;
}
@@ -965,22 +972,22 @@ int ieee80211_request_sched_scan_stop(struct ieee80211_sub_if_data *sdata)
struct ieee80211_local *local = sdata->local;
int ret = 0, i;
- mutex_lock(&sdata->local->mtx);
+ mutex_lock(&local->mtx);
if (!local->ops->sched_scan_stop) {
ret = -ENOTSUPP;
goto out;
}
- if (local->sched_scanning) {
+ if (rcu_access_pointer(local->sched_scan_sdata)) {
for (i = 0; i < IEEE80211_NUM_BANDS; i++)
kfree(local->sched_scan_ies.ie[i]);
drv_sched_scan_stop(local, sdata);
- local->sched_scanning = false;
+ rcu_assign_pointer(local->sched_scan_sdata, NULL);
}
out:
- mutex_unlock(&sdata->local->mtx);
+ mutex_unlock(&local->mtx);
return ret;
}
@@ -1004,7 +1011,7 @@ void ieee80211_sched_scan_stopped_work(struct work_struct *work)
mutex_lock(&local->mtx);
- if (!local->sched_scanning) {
+ if (!rcu_access_pointer(local->sched_scan_sdata)) {
mutex_unlock(&local->mtx);
return;
}
@@ -1012,7 +1019,7 @@ void ieee80211_sched_scan_stopped_work(struct work_struct *work)
for (i = 0; i < IEEE80211_NUM_BANDS; i++)
kfree(local->sched_scan_ies.ie[i]);
- local->sched_scanning = false;
+ rcu_assign_pointer(local->sched_scan_sdata, NULL);
mutex_unlock(&local->mtx);
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index de455f8..06fa75c 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -169,9 +169,7 @@ void sta_info_free(struct ieee80211_local *local, struct sta_info *sta)
if (sta->rate_ctrl)
rate_control_free_sta(sta);
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- wiphy_debug(local->hw.wiphy, "Destroyed STA %pM\n", sta->sta.addr);
-#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
+ sta_dbg(sta->sdata, "Destroyed STA %pM\n", sta->sta.addr);
kfree(sta);
}
@@ -278,9 +276,7 @@ struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata,
for (i = 0; i < NUM_RX_DATA_QUEUES; i++)
sta->last_seq_ctrl[i] = cpu_to_le16(USHRT_MAX);
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- wiphy_debug(local->hw.wiphy, "Allocated STA %pM\n", sta->sta.addr);
-#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
+ sta_dbg(sdata, "Allocated STA %pM\n", sta->sta.addr);
#ifdef CONFIG_MAC80211_MESH
sta->plink_state = NL80211_PLINK_LISTEN;
@@ -333,9 +329,9 @@ static int sta_info_insert_drv_state(struct ieee80211_local *local,
}
if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {
- printk(KERN_DEBUG
- "%s: failed to move IBSS STA %pM to state %d (%d) - keeping it anyway.\n",
- sdata->name, sta->sta.addr, state + 1, err);
+ sdata_info(sdata,
+ "failed to move IBSS STA %pM to state %d (%d) - keeping it anyway\n",
+ sta->sta.addr, state + 1, err);
err = 0;
}
@@ -390,9 +386,7 @@ static int sta_info_insert_finish(struct sta_info *sta) __acquires(RCU)
sinfo.generation = local->sta_generation;
cfg80211_new_sta(sdata->dev, sta->sta.addr, &sinfo, GFP_KERNEL);
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- wiphy_debug(local->hw.wiphy, "Inserted STA %pM\n", sta->sta.addr);
-#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
+ sta_dbg(sdata, "Inserted STA %pM\n", sta->sta.addr);
/* move reference to rcu-protected */
rcu_read_lock();
@@ -618,10 +612,8 @@ static bool sta_info_cleanup_expire_buffered_ac(struct ieee80211_local *local,
break;
local->total_ps_buffered--;
-#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
- printk(KERN_DEBUG "Buffered frame expired (STA %pM)\n",
+ ps_dbg(sta->sdata, "Buffered frame expired (STA %pM)\n",
sta->sta.addr);
-#endif
dev_kfree_skb(skb);
}
@@ -747,9 +739,8 @@ int __must_check __sta_info_destroy(struct sta_info *sta)
mesh_accept_plinks_update(sdata);
#endif
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- wiphy_debug(local->hw.wiphy, "Removed STA %pM\n", sta->sta.addr);
-#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
+ sta_dbg(sdata, "Removed STA %pM\n", sta->sta.addr);
+
cancel_work_sync(&sta->drv_unblock_wk);
cfg80211_del_sta(sdata->dev, sta->sta.addr, GFP_KERNEL);
@@ -889,10 +880,8 @@ void ieee80211_sta_expire(struct ieee80211_sub_if_data *sdata,
continue;
if (time_after(jiffies, sta->last_rx + exp_time)) {
-#ifdef CONFIG_MAC80211_IBSS_DEBUG
- printk(KERN_DEBUG "%s: expiring inactive STA %pM\n",
- sdata->name, sta->sta.addr);
-#endif
+ ibss_dbg(sdata, "expiring inactive STA %pM\n",
+ sta->sta.addr);
WARN_ON(__sta_info_destroy(sta));
}
}
@@ -990,11 +979,9 @@ void ieee80211_sta_ps_deliver_wakeup(struct sta_info *sta)
sta_info_recalc_tim(sta);
-#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
- printk(KERN_DEBUG "%s: STA %pM aid %d sending %d filtered/%d PS frames "
- "since STA not sleeping anymore\n", sdata->name,
+ ps_dbg(sdata,
+ "STA %pM aid %d sending %d filtered/%d PS frames since STA not sleeping anymore\n",
sta->sta.addr, sta->sta.aid, filtered, buffered);
-#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
}
static void ieee80211_send_null_response(struct ieee80211_sub_if_data *sdata,
@@ -1384,10 +1371,8 @@ int sta_info_move_state(struct sta_info *sta,
return -EINVAL;
}
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- printk(KERN_DEBUG "%s: moving STA %pM to state %d\n",
- sta->sdata->name, sta->sta.addr, new_state);
-#endif
+ sta_dbg(sta->sdata, "moving STA %pM to state %d\n",
+ sta->sta.addr, new_state);
/*
* notify the driver before the actual changes so it can
diff --git a/net/mac80211/status.c b/net/mac80211/status.c
index 28cfa98..8cd7291 100644
--- a/net/mac80211/status.c
+++ b/net/mac80211/status.c
@@ -155,13 +155,10 @@ static void ieee80211_handle_filtered_frame(struct ieee80211_local *local,
return;
}
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- if (net_ratelimit())
- wiphy_debug(local->hw.wiphy,
- "dropped TX filtered frame, queue_len=%d PS=%d @%lu\n",
- skb_queue_len(&sta->tx_filtered[ac]),
- !!test_sta_flag(sta, WLAN_STA_PS_STA), jiffies);
-#endif
+ ps_dbg_ratelimited(sta->sdata,
+ "dropped TX filtered frame, queue_len=%d PS=%d @%lu\n",
+ skb_queue_len(&sta->tx_filtered[ac]),
+ !!test_sta_flag(sta, WLAN_STA_PS_STA), jiffies);
dev_kfree_skb(skb);
}
@@ -520,36 +517,21 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
if (info->flags & IEEE80211_TX_INTFL_NL80211_FRAME_TX) {
u64 cookie = (unsigned long)skb;
+ acked = info->flags & IEEE80211_TX_STAT_ACK;
- if (ieee80211_is_nullfunc(hdr->frame_control) ||
- ieee80211_is_qos_nullfunc(hdr->frame_control)) {
- acked = info->flags & IEEE80211_TX_STAT_ACK;
+ /*
+ * TODO: When we have non-netdev frame TX,
+ * we cannot use skb->dev->ieee80211_ptr
+ */
+ if (ieee80211_is_nullfunc(hdr->frame_control) ||
+ ieee80211_is_qos_nullfunc(hdr->frame_control))
cfg80211_probe_status(skb->dev, hdr->addr1,
cookie, acked, GFP_ATOMIC);
- } else {
- struct ieee80211_work *wk;
-
- rcu_read_lock();
- list_for_each_entry_rcu(wk, &local->work_list, list) {
- if (wk->type != IEEE80211_WORK_OFFCHANNEL_TX)
- continue;
- if (wk->offchan_tx.frame != skb)
- continue;
- wk->offchan_tx.status = true;
- break;
- }
- rcu_read_unlock();
- if (local->hw_roc_skb_for_status == skb) {
- cookie = local->hw_roc_cookie ^ 2;
- local->hw_roc_skb_for_status = NULL;
- }
-
+ else
cfg80211_mgmt_tx_status(
- skb->dev, cookie, skb->data, skb->len,
- !!(info->flags & IEEE80211_TX_STAT_ACK),
- GFP_ATOMIC);
- }
+ skb->dev->ieee80211_ptr, cookie, skb->data,
+ skb->len, acked, GFP_ATOMIC);
}
if (unlikely(info->ack_frame_id)) {
@@ -589,7 +571,7 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
/* send frame to monitor interfaces now */
rtap_len = ieee80211_tx_radiotap_len(info);
if (WARN_ON_ONCE(skb_headroom(skb) < rtap_len)) {
- printk(KERN_ERR "ieee80211_tx_status: headroom too small\n");
+ pr_err("ieee80211_tx_status: headroom too small\n");
dev_kfree_skb(skb);
return;
}
diff --git a/net/mac80211/tkip.c b/net/mac80211/tkip.c
index 51077a9..57e14d5 100644
--- a/net/mac80211/tkip.c
+++ b/net/mac80211/tkip.c
@@ -260,17 +260,6 @@ int ieee80211_tkip_decrypt_data(struct crypto_cipher *tfm,
keyid = pos[3];
iv32 = get_unaligned_le32(pos + 4);
pos += 8;
-#ifdef CONFIG_MAC80211_TKIP_DEBUG
- {
- int i;
- printk(KERN_DEBUG "TKIP decrypt: data(len=%zd)", payload_len);
- for (i = 0; i < payload_len; i++)
- printk(" %02x", payload[i]);
- printk("\n");
- printk(KERN_DEBUG "TKIP decrypt: iv16=%04x iv32=%08x\n",
- iv16, iv32);
- }
-#endif
if (!(keyid & (1 << 5)))
return TKIP_DECRYPT_NO_EXT_IV;
@@ -281,16 +270,8 @@ int ieee80211_tkip_decrypt_data(struct crypto_cipher *tfm,
if (key->u.tkip.rx[queue].state != TKIP_STATE_NOT_INIT &&
(iv32 < key->u.tkip.rx[queue].iv32 ||
(iv32 == key->u.tkip.rx[queue].iv32 &&
- iv16 <= key->u.tkip.rx[queue].iv16))) {
-#ifdef CONFIG_MAC80211_TKIP_DEBUG
- printk(KERN_DEBUG "TKIP replay detected for RX frame from "
- "%pM (RX IV (%04x,%02x) <= prev. IV (%04x,%02x)\n",
- ta,
- iv32, iv16, key->u.tkip.rx[queue].iv32,
- key->u.tkip.rx[queue].iv16);
-#endif
+ iv16 <= key->u.tkip.rx[queue].iv16)))
return TKIP_DECRYPT_REPLAY;
- }
if (only_iv) {
res = TKIP_DECRYPT_OK;
@@ -302,22 +283,6 @@ int ieee80211_tkip_decrypt_data(struct crypto_cipher *tfm,
key->u.tkip.rx[queue].iv32 != iv32) {
/* IV16 wrapped around - perform TKIP phase 1 */
tkip_mixing_phase1(tk, &key->u.tkip.rx[queue], ta, iv32);
-#ifdef CONFIG_MAC80211_TKIP_DEBUG
- {
- int i;
- u8 key_offset = NL80211_TKIP_DATA_OFFSET_ENCR_KEY;
- printk(KERN_DEBUG "TKIP decrypt: Phase1 TA=%pM"
- " TK=", ta);
- for (i = 0; i < 16; i++)
- printk("%02x ",
- key->conf.key[key_offset + i]);
- printk("\n");
- printk(KERN_DEBUG "TKIP decrypt: P1K=");
- for (i = 0; i < 5; i++)
- printk("%04x ", key->u.tkip.rx[queue].p1k[i]);
- printk("\n");
- }
-#endif
}
if (key->local->ops->update_tkip_key &&
key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
@@ -333,15 +298,6 @@ int ieee80211_tkip_decrypt_data(struct crypto_cipher *tfm,
}
tkip_mixing_phase2(tk, &key->u.tkip.rx[queue], iv16, rc4key);
-#ifdef CONFIG_MAC80211_TKIP_DEBUG
- {
- int i;
- printk(KERN_DEBUG "TKIP decrypt: Phase2 rc4key=");
- for (i = 0; i < 16; i++)
- printk("%02x ", rc4key[i]);
- printk("\n");
- }
-#endif
res = ieee80211_wep_decrypt_data(tfm, rc4key, 16, pos, payload_len - 12);
done:
diff --git a/net/mac80211/trace.c b/net/mac80211/trace.c
new file mode 100644
index 0000000..386e45d8
--- /dev/null
+++ b/net/mac80211/trace.c
@@ -0,0 +1,75 @@
+/* bug in tracepoint.h, it should include this */
+#include <linux/module.h>
+
+/* sparse isn't too happy with all macros... */
+#ifndef __CHECKER__
+#include <net/cfg80211.h>
+#include "driver-ops.h"
+#include "debug.h"
+#define CREATE_TRACE_POINTS
+#include "trace.h"
+
+#ifdef CONFIG_MAC80211_MESSAGE_TRACING
+void __sdata_info(const char *fmt, ...)
+{
+ struct va_format vaf = {
+ .fmt = fmt,
+ };
+ va_list args;
+
+ va_start(args, fmt);
+ vaf.va = &args;
+
+ pr_info("%pV", &vaf);
+ trace_mac80211_info(&vaf);
+ va_end(args);
+}
+
+void __sdata_dbg(bool print, const char *fmt, ...)
+{
+ struct va_format vaf = {
+ .fmt = fmt,
+ };
+ va_list args;
+
+ va_start(args, fmt);
+ vaf.va = &args;
+
+ if (print)
+ pr_debug("%pV", &vaf);
+ trace_mac80211_dbg(&vaf);
+ va_end(args);
+}
+
+void __sdata_err(const char *fmt, ...)
+{
+ struct va_format vaf = {
+ .fmt = fmt,
+ };
+ va_list args;
+
+ va_start(args, fmt);
+ vaf.va = &args;
+
+ pr_err("%pV", &vaf);
+ trace_mac80211_err(&vaf);
+ va_end(args);
+}
+
+void __wiphy_dbg(struct wiphy *wiphy, bool print, const char *fmt, ...)
+{
+ struct va_format vaf = {
+ .fmt = fmt,
+ };
+ va_list args;
+
+ va_start(args, fmt);
+ vaf.va = &args;
+
+ if (print)
+ wiphy_dbg(wiphy, "%pV", &vaf);
+ trace_mac80211_dbg(&vaf);
+ va_end(args);
+}
+#endif
+#endif
diff --git a/net/mac80211/driver-trace.h b/net/mac80211/trace.h
index 6de00b2..c6d33b5 100644
--- a/net/mac80211/driver-trace.h
+++ b/net/mac80211/trace.h
@@ -306,7 +306,8 @@ TRACE_EVENT(drv_bss_info_changed,
__field(u8, dtimper)
__field(u16, bcnint)
__field(u16, assoc_cap)
- __field(u64, timestamp)
+ __field(u64, sync_tsf)
+ __field(u32, sync_device_ts)
__field(u32, basic_rates)
__field(u32, changed)
__field(bool, enable_beacon)
@@ -325,7 +326,8 @@ TRACE_EVENT(drv_bss_info_changed,
__entry->dtimper = info->dtim_period;
__entry->bcnint = info->beacon_int;
__entry->assoc_cap = info->assoc_capability;
- __entry->timestamp = info->last_tsf;
+ __entry->sync_tsf = info->sync_tsf;
+ __entry->sync_device_ts = info->sync_device_ts;
__entry->basic_rates = info->basic_rates;
__entry->enable_beacon = info->enable_beacon;
__entry->ht_operation_mode = info->ht_operation_mode;
@@ -1218,6 +1220,39 @@ DEFINE_EVENT(release_evt, drv_allow_buffered_frames,
TP_ARGS(local, sta, tids, num_frames, reason, more_data)
);
+TRACE_EVENT(drv_get_rssi,
+ TP_PROTO(struct ieee80211_local *local, struct ieee80211_sta *sta,
+ s8 rssi, int ret),
+
+ TP_ARGS(local, sta, rssi, ret),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ STA_ENTRY
+ __field(s8, rssi)
+ __field(int, ret)
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ STA_ASSIGN;
+ __entry->rssi = rssi;
+ __entry->ret = ret;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT STA_PR_FMT " rssi:%d ret:%d",
+ LOCAL_PR_ARG, STA_PR_ARG, __entry->rssi, __entry->ret
+ )
+);
+
+DEFINE_EVENT(local_sdata_evt, drv_mgd_prepare_tx,
+ TP_PROTO(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata),
+
+ TP_ARGS(local, sdata)
+);
+
/*
* Tracing for API calls that drivers call.
*/
@@ -1606,10 +1641,49 @@ TRACE_EVENT(stop_queue,
LOCAL_PR_ARG, __entry->queue, __entry->reason
)
);
+
+#ifdef CONFIG_MAC80211_MESSAGE_TRACING
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM mac80211_msg
+
+#define MAX_MSG_LEN 100
+
+DECLARE_EVENT_CLASS(mac80211_msg_event,
+ TP_PROTO(struct va_format *vaf),
+
+ TP_ARGS(vaf),
+
+ TP_STRUCT__entry(
+ __dynamic_array(char, msg, MAX_MSG_LEN)
+ ),
+
+ TP_fast_assign(
+ WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg),
+ MAX_MSG_LEN, vaf->fmt,
+ *vaf->va) >= MAX_MSG_LEN);
+ ),
+
+ TP_printk("%s", __get_str(msg))
+);
+
+DEFINE_EVENT(mac80211_msg_event, mac80211_info,
+ TP_PROTO(struct va_format *vaf),
+ TP_ARGS(vaf)
+);
+DEFINE_EVENT(mac80211_msg_event, mac80211_dbg,
+ TP_PROTO(struct va_format *vaf),
+ TP_ARGS(vaf)
+);
+DEFINE_EVENT(mac80211_msg_event, mac80211_err,
+ TP_PROTO(struct va_format *vaf),
+ TP_ARGS(vaf)
+);
+#endif
+
#endif /* !__MAC80211_DRIVER_TRACE || TRACE_HEADER_MULTI_READ */
#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH .
#undef TRACE_INCLUDE_FILE
-#define TRACE_INCLUDE_FILE driver-trace
+#define TRACE_INCLUDE_FILE trace
#include <trace/define_trace.h>
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index eab0d19..acf712f 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -140,6 +140,8 @@ static __le16 ieee80211_duration(struct ieee80211_tx_data *tx,
if (r->flags & IEEE80211_RATE_MANDATORY_A)
mrate = r->bitrate;
break;
+ case IEEE80211_BAND_60GHZ:
+ /* TODO, for now fall through */
case IEEE80211_NUM_BANDS:
WARN_ON(1);
break;
@@ -175,12 +177,6 @@ static __le16 ieee80211_duration(struct ieee80211_tx_data *tx,
return cpu_to_le16(dur);
}
-static inline int is_ieee80211_device(struct ieee80211_local *local,
- struct net_device *dev)
-{
- return local == wdev_priv(dev->ieee80211_ptr);
-}
-
/* tx handlers */
static ieee80211_tx_result debug_noinline
ieee80211_tx_h_dynamic_ps(struct ieee80211_tx_data *tx)
@@ -297,10 +293,10 @@ ieee80211_tx_h_check_assoc(struct ieee80211_tx_data *tx)
if (unlikely(!assoc &&
ieee80211_is_data(hdr->frame_control))) {
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- printk(KERN_DEBUG "%s: dropped data frame to not "
- "associated station %pM\n",
- tx->sdata->name, hdr->addr1);
-#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
+ sdata_info(tx->sdata,
+ "dropped data frame to not associated station %pM\n",
+ hdr->addr1);
+#endif
I802_DEBUG_INC(tx->local->tx_handlers_drop_not_assoc);
return TX_DROP;
}
@@ -367,10 +363,7 @@ static void purge_old_ps_buffers(struct ieee80211_local *local)
rcu_read_unlock();
local->total_ps_buffered = total;
-#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
- wiphy_debug(local->hw.wiphy, "PS buffers full - purged %d frames\n",
- purged);
-#endif
+ ps_dbg_hw(&local->hw, "PS buffers full - purged %d frames\n", purged);
}
static ieee80211_tx_result
@@ -412,10 +405,8 @@ ieee80211_tx_h_multicast_ps_buf(struct ieee80211_tx_data *tx)
purge_old_ps_buffers(tx->local);
if (skb_queue_len(&tx->sdata->bss->ps_bc_buf) >= AP_MAX_BC_BUFFER) {
-#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
- net_dbg_ratelimited("%s: BC TX buffer full - dropping the oldest frame\n",
- tx->sdata->name);
-#endif
+ ps_dbg(tx->sdata,
+ "BC TX buffer full - dropping the oldest frame\n");
dev_kfree_skb(skb_dequeue(&tx->sdata->bss->ps_bc_buf));
} else
tx->local->total_ps_buffered++;
@@ -466,18 +457,15 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx)
return TX_CONTINUE;
}
-#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
- printk(KERN_DEBUG "STA %pM aid %d: PS buffer for AC %d\n",
+ ps_dbg(sta->sdata, "STA %pM aid %d: PS buffer for AC %d\n",
sta->sta.addr, sta->sta.aid, ac);
-#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
if (tx->local->total_ps_buffered >= TOTAL_MAX_TX_BUFFER)
purge_old_ps_buffers(tx->local);
if (skb_queue_len(&sta->ps_tx_buf[ac]) >= STA_MAX_TX_BUFFER) {
struct sk_buff *old = skb_dequeue(&sta->ps_tx_buf[ac]);
-#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
- net_dbg_ratelimited("%s: STA %pM TX buffer for AC %d full - dropping oldest frame\n",
- tx->sdata->name, sta->sta.addr, ac);
-#endif
+ ps_dbg(tx->sdata,
+ "STA %pM TX buffer for AC %d full - dropping oldest frame\n",
+ sta->sta.addr, ac);
dev_kfree_skb(old);
} else
tx->local->total_ps_buffered++;
@@ -499,14 +487,11 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx)
sta_info_recalc_tim(sta);
return TX_QUEUED;
+ } else if (unlikely(test_sta_flag(sta, WLAN_STA_PS_STA))) {
+ ps_dbg(tx->sdata,
+ "STA %pM in PS mode, but polling/in SP -> send frame\n",
+ sta->sta.addr);
}
-#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
- else if (unlikely(test_sta_flag(sta, WLAN_STA_PS_STA))) {
- printk(KERN_DEBUG
- "%s: STA %pM in PS mode, but polling/in SP -> send frame\n",
- tx->sdata->name, sta->sta.addr);
- }
-#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
return TX_CONTINUE;
}
@@ -538,7 +523,7 @@ ieee80211_tx_h_check_control_port_protocol(struct ieee80211_tx_data *tx)
static ieee80211_tx_result debug_noinline
ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx)
{
- struct ieee80211_key *key = NULL;
+ struct ieee80211_key *key;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx->skb->data;
@@ -557,16 +542,23 @@ ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx)
else if (!is_multicast_ether_addr(hdr->addr1) &&
(key = rcu_dereference(tx->sdata->default_unicast_key)))
tx->key = key;
- else if (tx->sdata->drop_unencrypted &&
- (tx->skb->protocol != tx->sdata->control_port_protocol) &&
- !(info->flags & IEEE80211_TX_CTL_INJECTED) &&
- (!ieee80211_is_robust_mgmt_frame(hdr) ||
- (ieee80211_is_action(hdr->frame_control) &&
- tx->sta && test_sta_flag(tx->sta, WLAN_STA_MFP)))) {
+ else if (info->flags & IEEE80211_TX_CTL_INJECTED)
+ tx->key = NULL;
+ else if (!tx->sdata->drop_unencrypted)
+ tx->key = NULL;
+ else if (tx->skb->protocol == tx->sdata->control_port_protocol)
+ tx->key = NULL;
+ else if (ieee80211_is_robust_mgmt_frame(hdr) &&
+ !(ieee80211_is_action(hdr->frame_control) &&
+ tx->sta && test_sta_flag(tx->sta, WLAN_STA_MFP)))
+ tx->key = NULL;
+ else if (ieee80211_is_mgmt(hdr->frame_control) &&
+ !ieee80211_is_robust_mgmt_frame(hdr))
+ tx->key = NULL;
+ else {
I802_DEBUG_INC(tx->local->tx_handlers_drop_unencrypted);
return TX_DROP;
- } else
- tx->key = NULL;
+ }
if (tx->key) {
bool skip_hw = false;
@@ -974,8 +966,7 @@ ieee80211_tx_h_fragment(struct ieee80211_tx_data *tx)
info->control.rates[1].idx = -1;
info->control.rates[2].idx = -1;
info->control.rates[3].idx = -1;
- info->control.rates[4].idx = -1;
- BUILD_BUG_ON(IEEE80211_TX_MAX_RATES != 5);
+ BUILD_BUG_ON(IEEE80211_TX_MAX_RATES != 4);
info->flags &= ~IEEE80211_TX_CTL_RATE_CTRL_PROBE;
} else {
hdr->frame_control &= ~morefrags;
@@ -1310,11 +1301,8 @@ static bool __ieee80211_tx(struct ieee80211_local *local,
break;
}
- if (local->ops->tx_frags)
- drv_tx_frags(local, vif, pubsta, skbs);
- else
- result = ieee80211_tx_frags(local, vif, pubsta, skbs,
- txpending);
+ result = ieee80211_tx_frags(local, vif, pubsta, skbs,
+ txpending);
ieee80211_tpt_led_trig_tx(local, fc, led_len);
ieee80211_led_tx(local, 1);
@@ -1968,7 +1956,7 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
(cpu_to_be16(ethertype) != sdata->control_port_protocol ||
!ether_addr_equal(sdata->vif.addr, skb->data + ETH_ALEN)))) {
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- net_dbg_ratelimited("%s: dropped frame to %pM (unauthorized port)\n",
+ net_info_ratelimited("%s: dropped frame to %pM (unauthorized port)\n",
dev->name, hdr.addr1);
#endif
@@ -2440,9 +2428,9 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw,
*pos++ = WLAN_EID_SSID;
*pos++ = 0x0;
- if (ieee80211_add_srates_ie(&sdata->vif, skb, true) ||
+ if (ieee80211_add_srates_ie(sdata, skb, true) ||
mesh_add_ds_params_ie(skb, sdata) ||
- ieee80211_add_ext_srates_ie(&sdata->vif, skb, true) ||
+ ieee80211_add_ext_srates_ie(sdata, skb, true) ||
mesh_add_rsn_ie(skb, sdata) ||
mesh_add_ht_cap_ie(skb, sdata) ||
mesh_add_ht_oper_ie(skb, sdata) ||
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 8dd4712..39b82fe 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -268,6 +268,10 @@ EXPORT_SYMBOL(ieee80211_ctstoself_duration);
void ieee80211_propagate_queue_wake(struct ieee80211_local *local, int queue)
{
struct ieee80211_sub_if_data *sdata;
+ int n_acs = IEEE80211_NUM_ACS;
+
+ if (local->hw.queues < IEEE80211_NUM_ACS)
+ n_acs = 1;
list_for_each_entry_rcu(sdata, &local->interfaces, list) {
int ac;
@@ -279,7 +283,7 @@ void ieee80211_propagate_queue_wake(struct ieee80211_local *local, int queue)
local->queue_stop_reasons[sdata->vif.cab_queue] != 0)
continue;
- for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
+ for (ac = 0; ac < n_acs; ac++) {
int ac_queue = sdata->vif.hw_queue[ac];
if (ac_queue == queue ||
@@ -341,6 +345,7 @@ 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;
+ int n_acs = IEEE80211_NUM_ACS;
trace_stop_queue(local, queue, reason);
@@ -352,11 +357,14 @@ static void __ieee80211_stop_queue(struct ieee80211_hw *hw, int queue,
__set_bit(reason, &local->queue_stop_reasons[queue]);
+ if (local->hw.queues < IEEE80211_NUM_ACS)
+ n_acs = 1;
+
rcu_read_lock();
list_for_each_entry_rcu(sdata, &local->interfaces, list) {
int ac;
- for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
+ for (ac = 0; ac < n_acs; ac++) {
if (sdata->vif.hw_queue[ac] == queue ||
sdata->vif.cab_queue == queue)
netif_stop_subqueue(sdata->dev, ac);
@@ -521,6 +529,11 @@ void ieee80211_iterate_active_interfaces(
&sdata->vif);
}
+ sdata = rcu_dereference_protected(local->monitor_sdata,
+ lockdep_is_held(&local->iflist_mtx));
+ if (sdata)
+ iterator(data, sdata->vif.addr, &sdata->vif);
+
mutex_unlock(&local->iflist_mtx);
}
EXPORT_SYMBOL_GPL(ieee80211_iterate_active_interfaces);
@@ -549,6 +562,10 @@ void ieee80211_iterate_active_interfaces_atomic(
&sdata->vif);
}
+ sdata = rcu_dereference(local->monitor_sdata);
+ if (sdata)
+ iterator(data, sdata->vif.addr, &sdata->vif);
+
rcu_read_unlock();
}
EXPORT_SYMBOL_GPL(ieee80211_iterate_active_interfaces_atomic);
@@ -804,7 +821,7 @@ void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata,
struct ieee80211_local *local = sdata->local;
struct ieee80211_tx_queue_params qparam;
int ac;
- bool use_11b;
+ bool use_11b, enable_qos;
int aCWmin, aCWmax;
if (!local->ops->conf_tx)
@@ -818,6 +835,13 @@ void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata,
use_11b = (local->hw.conf.channel->band == IEEE80211_BAND_2GHZ) &&
!(sdata->flags & IEEE80211_SDATA_OPERATING_GMODE);
+ /*
+ * By default disable QoS in STA mode for old access points, which do
+ * not support 802.11e. New APs will provide proper queue parameters,
+ * that we will configure later.
+ */
+ enable_qos = (sdata->vif.type != NL80211_IFTYPE_STATION);
+
for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
/* Set defaults according to 802.11-2007 Table 7-37 */
aCWmax = 1023;
@@ -826,38 +850,47 @@ void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata,
else
aCWmin = 15;
- switch (ac) {
- case IEEE80211_AC_BK:
- qparam.cw_max = aCWmax;
- qparam.cw_min = aCWmin;
- qparam.txop = 0;
- qparam.aifs = 7;
- break;
- default: /* never happens but let's not leave undefined */
- case IEEE80211_AC_BE:
+ if (enable_qos) {
+ switch (ac) {
+ case IEEE80211_AC_BK:
+ qparam.cw_max = aCWmax;
+ qparam.cw_min = aCWmin;
+ qparam.txop = 0;
+ qparam.aifs = 7;
+ break;
+ /* never happens but let's not leave undefined */
+ default:
+ case IEEE80211_AC_BE:
+ qparam.cw_max = aCWmax;
+ qparam.cw_min = aCWmin;
+ qparam.txop = 0;
+ qparam.aifs = 3;
+ break;
+ case IEEE80211_AC_VI:
+ qparam.cw_max = aCWmin;
+ qparam.cw_min = (aCWmin + 1) / 2 - 1;
+ if (use_11b)
+ qparam.txop = 6016/32;
+ else
+ qparam.txop = 3008/32;
+ qparam.aifs = 2;
+ break;
+ case IEEE80211_AC_VO:
+ qparam.cw_max = (aCWmin + 1) / 2 - 1;
+ qparam.cw_min = (aCWmin + 1) / 4 - 1;
+ if (use_11b)
+ qparam.txop = 3264/32;
+ else
+ qparam.txop = 1504/32;
+ qparam.aifs = 2;
+ break;
+ }
+ } else {
+ /* Confiure old 802.11b/g medium access rules. */
qparam.cw_max = aCWmax;
qparam.cw_min = aCWmin;
qparam.txop = 0;
- qparam.aifs = 3;
- break;
- case IEEE80211_AC_VI:
- qparam.cw_max = aCWmin;
- qparam.cw_min = (aCWmin + 1) / 2 - 1;
- if (use_11b)
- qparam.txop = 6016/32;
- else
- qparam.txop = 3008/32;
- qparam.aifs = 2;
- break;
- case IEEE80211_AC_VO:
- qparam.cw_max = (aCWmin + 1) / 2 - 1;
- qparam.cw_min = (aCWmin + 1) / 4 - 1;
- if (use_11b)
- qparam.txop = 3264/32;
- else
- qparam.txop = 1504/32;
qparam.aifs = 2;
- break;
}
qparam.uapsd = false;
@@ -866,12 +899,8 @@ void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata,
drv_conf_tx(local, sdata, ac, &qparam);
}
- /* after reinitialize QoS TX queues setting to default,
- * disable QoS at all */
-
if (sdata->vif.type != NL80211_IFTYPE_MONITOR) {
- sdata->vif.bss_conf.qos =
- sdata->vif.type != NL80211_IFTYPE_STATION;
+ sdata->vif.bss_conf.qos = enable_qos;
if (bss_notify)
ieee80211_bss_info_change_notify(sdata,
BSS_CHANGED_QOS);
@@ -979,6 +1008,8 @@ int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
int ext_rates_len;
sband = local->hw.wiphy->bands[band];
+ if (WARN_ON_ONCE(!sband))
+ return 0;
pos = buffer;
@@ -1060,6 +1091,10 @@ int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
pos += noffset - offset;
}
+ if (sband->vht_cap.vht_supported)
+ pos = ieee80211_ie_build_vht_cap(pos, &sband->vht_cap,
+ sband->vht_cap.cap);
+
return pos - buffer;
}
@@ -1267,14 +1302,19 @@ int ieee80211_reconfig(struct ieee80211_local *local)
/* add STAs back */
mutex_lock(&local->sta_mtx);
list_for_each_entry(sta, &local->sta_list, list) {
- if (sta->uploaded) {
- enum ieee80211_sta_state state;
+ enum ieee80211_sta_state state;
- for (state = IEEE80211_STA_NOTEXIST;
- state < sta->sta_state; state++)
- WARN_ON(drv_sta_state(local, sta->sdata, sta,
- state, state + 1));
- }
+ if (!sta->uploaded)
+ continue;
+
+ /* AP-mode stations will be added later */
+ if (sta->sdata->vif.type == NL80211_IFTYPE_AP)
+ continue;
+
+ for (state = IEEE80211_STA_NOTEXIST;
+ state < sta->sta_state; state++)
+ WARN_ON(drv_sta_state(local, sta->sdata, sta, state,
+ state + 1));
}
mutex_unlock(&local->sta_mtx);
@@ -1371,12 +1411,33 @@ int ieee80211_reconfig(struct ieee80211_local *local)
}
}
+ /* APs are now beaconing, add back stations */
+ mutex_lock(&local->sta_mtx);
+ list_for_each_entry(sta, &local->sta_list, list) {
+ enum ieee80211_sta_state state;
+
+ if (!sta->uploaded)
+ continue;
+
+ if (sta->sdata->vif.type != NL80211_IFTYPE_AP)
+ continue;
+
+ for (state = IEEE80211_STA_NOTEXIST;
+ state < sta->sta_state; state++)
+ WARN_ON(drv_sta_state(local, sta->sdata, sta, state,
+ state + 1));
+ }
+ mutex_unlock(&local->sta_mtx);
+
/* add back keys */
list_for_each_entry(sdata, &local->interfaces, list)
if (ieee80211_sdata_running(sdata))
ieee80211_enable_keys(sdata);
wake_up:
+ local->in_reconfig = false;
+ barrier();
+
/*
* Clear the WLAN_STA_BLOCK_BA flag so new aggregation
* sessions can be established after a resume.
@@ -1661,6 +1722,27 @@ u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap,
return pos;
}
+u8 *ieee80211_ie_build_vht_cap(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap,
+ u32 cap)
+{
+ __le32 tmp;
+
+ *pos++ = WLAN_EID_VHT_CAPABILITY;
+ *pos++ = sizeof(struct ieee80211_vht_capabilities);
+ memset(pos, 0, sizeof(struct ieee80211_vht_capabilities));
+
+ /* capability flags */
+ tmp = cpu_to_le32(cap);
+ memcpy(pos, &tmp, sizeof(u32));
+ pos += sizeof(u32);
+
+ /* VHT MCS set */
+ memcpy(pos, &vht_cap->vht_mcs, sizeof(vht_cap->vht_mcs));
+ pos += sizeof(vht_cap->vht_mcs);
+
+ return pos;
+}
+
u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap,
struct ieee80211_channel *channel,
enum nl80211_channel_type channel_type,
@@ -1726,15 +1808,14 @@ ieee80211_ht_oper_to_channel_type(struct ieee80211_ht_operation *ht_oper)
return channel_type;
}
-int ieee80211_add_srates_ie(struct ieee80211_vif *vif,
+int ieee80211_add_srates_ie(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb, bool need_basic)
{
- struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
struct ieee80211_local *local = sdata->local;
struct ieee80211_supported_band *sband;
int rate;
u8 i, rates, *pos;
- u32 basic_rates = vif->bss_conf.basic_rates;
+ u32 basic_rates = sdata->vif.bss_conf.basic_rates;
sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
rates = sband->n_bitrates;
@@ -1758,15 +1839,14 @@ int ieee80211_add_srates_ie(struct ieee80211_vif *vif,
return 0;
}
-int ieee80211_add_ext_srates_ie(struct ieee80211_vif *vif,
+int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb, bool need_basic)
{
- struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
struct ieee80211_local *local = sdata->local;
struct ieee80211_supported_band *sband;
int rate;
u8 i, exrates, *pos;
- u32 basic_rates = vif->bss_conf.basic_rates;
+ u32 basic_rates = sdata->vif.bss_conf.basic_rates;
sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
exrates = sband->n_bitrates;
diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c
index c3d643a..cea06e9 100644
--- a/net/mac80211/wme.c
+++ b/net/mac80211/wme.c
@@ -52,11 +52,11 @@ static int wme_downgrade_ac(struct sk_buff *skb)
}
}
-static u16 ieee80211_downgrade_queue(struct ieee80211_local *local,
+static u16 ieee80211_downgrade_queue(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb)
{
/* in case we are a client verify acm is not set for this ac */
- while (unlikely(local->wmm_acm & BIT(skb->priority))) {
+ while (unlikely(sdata->wmm_acm & BIT(skb->priority))) {
if (wme_downgrade_ac(skb)) {
/*
* This should not really happen. The AP has marked all
@@ -73,10 +73,11 @@ static u16 ieee80211_downgrade_queue(struct ieee80211_local *local,
}
/* Indicate which queue to use for this fully formed 802.11 frame */
-u16 ieee80211_select_queue_80211(struct ieee80211_local *local,
+u16 ieee80211_select_queue_80211(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb,
struct ieee80211_hdr *hdr)
{
+ struct ieee80211_local *local = sdata->local;
u8 *p;
if (local->hw.queues < IEEE80211_NUM_ACS)
@@ -94,7 +95,7 @@ u16 ieee80211_select_queue_80211(struct ieee80211_local *local,
p = ieee80211_get_qos_ctl(hdr);
skb->priority = *p & IEEE80211_QOS_CTL_TAG1D_MASK;
- return ieee80211_downgrade_queue(local, skb);
+ return ieee80211_downgrade_queue(sdata, skb);
}
/* Indicate which queue to use. */
@@ -156,7 +157,7 @@ u16 ieee80211_select_queue(struct ieee80211_sub_if_data *sdata,
* data frame has */
skb->priority = cfg80211_classify8021d(skb);
- return ieee80211_downgrade_queue(local, skb);
+ return ieee80211_downgrade_queue(sdata, skb);
}
void ieee80211_set_qos_hdr(struct ieee80211_sub_if_data *sdata,
diff --git a/net/mac80211/wme.h b/net/mac80211/wme.h
index ca80818..7fea4bb 100644
--- a/net/mac80211/wme.h
+++ b/net/mac80211/wme.h
@@ -15,7 +15,7 @@
extern const int ieee802_1d_to_ac[8];
-u16 ieee80211_select_queue_80211(struct ieee80211_local *local,
+u16 ieee80211_select_queue_80211(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb,
struct ieee80211_hdr *hdr);
u16 ieee80211_select_queue(struct ieee80211_sub_if_data *sdata,
diff --git a/net/mac80211/work.c b/net/mac80211/work.c
deleted file mode 100644
index b2650a9..0000000
--- a/net/mac80211/work.c
+++ /dev/null
@@ -1,370 +0,0 @@
-/*
- * mac80211 work implementation
- *
- * Copyright 2003-2008, Jouni Malinen <j@w1.fi>
- * Copyright 2004, Instant802 Networks, Inc.
- * Copyright 2005, Devicescape Software, Inc.
- * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
- * Copyright 2007, Michael Wu <flamingice@sourmilk.net>
- * Copyright 2009, Johannes Berg <johannes@sipsolutions.net>
- *
- * 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
- * published by the Free Software Foundation.
- */
-
-#include <linux/delay.h>
-#include <linux/if_ether.h>
-#include <linux/skbuff.h>
-#include <linux/if_arp.h>
-#include <linux/etherdevice.h>
-#include <linux/crc32.h>
-#include <linux/slab.h>
-#include <net/mac80211.h>
-#include <asm/unaligned.h>
-
-#include "ieee80211_i.h"
-#include "rate.h"
-#include "driver-ops.h"
-
-enum work_action {
- WORK_ACT_NONE,
- WORK_ACT_TIMEOUT,
-};
-
-
-/* utils */
-static inline void ASSERT_WORK_MTX(struct ieee80211_local *local)
-{
- lockdep_assert_held(&local->mtx);
-}
-
-/*
- * We can have multiple work items (and connection probing)
- * scheduling this timer, but we need to take care to only
- * reschedule it when it should fire _earlier_ than it was
- * asked for before, or if it's not pending right now. This
- * function ensures that. Note that it then is required to
- * run this function for all timeouts after the first one
- * has happened -- the work that runs from this timer will
- * do that.
- */
-static void run_again(struct ieee80211_local *local,
- unsigned long timeout)
-{
- ASSERT_WORK_MTX(local);
-
- if (!timer_pending(&local->work_timer) ||
- time_before(timeout, local->work_timer.expires))
- mod_timer(&local->work_timer, timeout);
-}
-
-void free_work(struct ieee80211_work *wk)
-{
- kfree_rcu(wk, rcu_head);
-}
-
-static enum work_action __must_check
-ieee80211_remain_on_channel_timeout(struct ieee80211_work *wk)
-{
- /*
- * First time we run, do nothing -- the generic code will
- * have switched to the right channel etc.
- */
- if (!wk->started) {
- wk->timeout = jiffies + msecs_to_jiffies(wk->remain.duration);
-
- cfg80211_ready_on_channel(wk->sdata->dev, (unsigned long) wk,
- wk->chan, wk->chan_type,
- wk->remain.duration, GFP_KERNEL);
-
- return WORK_ACT_NONE;
- }
-
- return WORK_ACT_TIMEOUT;
-}
-
-static enum work_action __must_check
-ieee80211_offchannel_tx(struct ieee80211_work *wk)
-{
- if (!wk->started) {
- wk->timeout = jiffies + msecs_to_jiffies(wk->offchan_tx.wait);
-
- /*
- * After this, offchan_tx.frame remains but now is no
- * longer a valid pointer -- we still need it as the
- * cookie for canceling this work/status matching.
- */
- ieee80211_tx_skb(wk->sdata, wk->offchan_tx.frame);
-
- return WORK_ACT_NONE;
- }
-
- return WORK_ACT_TIMEOUT;
-}
-
-static void ieee80211_work_timer(unsigned long data)
-{
- struct ieee80211_local *local = (void *) data;
-
- if (local->quiescing)
- return;
-
- ieee80211_queue_work(&local->hw, &local->work_work);
-}
-
-static void ieee80211_work_work(struct work_struct *work)
-{
- struct ieee80211_local *local =
- container_of(work, struct ieee80211_local, work_work);
- struct ieee80211_work *wk, *tmp;
- LIST_HEAD(free_work);
- enum work_action rma;
- bool remain_off_channel = false;
-
- /*
- * ieee80211_queue_work() should have picked up most cases,
- * here we'll pick the rest.
- */
- if (WARN(local->suspended, "work scheduled while going to suspend\n"))
- return;
-
- 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) {
- bool started = wk->started;
-
- /* mark work as started if it's on the current off-channel */
- if (!started && local->tmp_channel &&
- wk->chan == local->tmp_channel &&
- wk->chan_type == local->tmp_channel_type) {
- started = true;
- wk->timeout = jiffies;
- }
-
- if (!started && !local->tmp_channel) {
- ieee80211_offchannel_stop_vifs(local, true);
-
- local->tmp_channel = wk->chan;
- local->tmp_channel_type = wk->chan_type;
-
- ieee80211_hw_config(local, 0);
-
- started = true;
- wk->timeout = jiffies;
- }
-
- /* don't try to work with items that aren't started */
- if (!started)
- continue;
-
- if (time_is_after_jiffies(wk->timeout)) {
- /*
- * This work item isn't supposed to be worked on
- * right now, but take care to adjust the timer
- * properly.
- */
- run_again(local, wk->timeout);
- continue;
- }
-
- switch (wk->type) {
- default:
- WARN_ON(1);
- /* nothing */
- rma = WORK_ACT_NONE;
- break;
- case IEEE80211_WORK_ABORT:
- rma = WORK_ACT_TIMEOUT;
- break;
- case IEEE80211_WORK_REMAIN_ON_CHANNEL:
- rma = ieee80211_remain_on_channel_timeout(wk);
- break;
- case IEEE80211_WORK_OFFCHANNEL_TX:
- rma = ieee80211_offchannel_tx(wk);
- break;
- }
-
- wk->started = started;
-
- switch (rma) {
- case WORK_ACT_NONE:
- /* might have changed the timeout */
- run_again(local, wk->timeout);
- break;
- case WORK_ACT_TIMEOUT:
- list_del_rcu(&wk->list);
- synchronize_rcu();
- list_add(&wk->list, &free_work);
- break;
- default:
- WARN(1, "unexpected: %d", rma);
- }
- }
-
- list_for_each_entry(wk, &local->work_list, list) {
- if (!wk->started)
- continue;
- if (wk->chan != local->tmp_channel ||
- wk->chan_type != local->tmp_channel_type)
- continue;
- remain_off_channel = true;
- }
-
- if (!remain_off_channel && local->tmp_channel) {
- local->tmp_channel = NULL;
- ieee80211_hw_config(local, 0);
-
- ieee80211_offchannel_return(local, true);
-
- /* give connection some time to breathe */
- run_again(local, jiffies + HZ/2);
- }
-
- ieee80211_recalc_idle(local);
- ieee80211_run_deferred_scan(local);
-
- mutex_unlock(&local->mtx);
-
- list_for_each_entry_safe(wk, tmp, &free_work, list) {
- wk->done(wk, NULL);
- list_del(&wk->list);
- kfree(wk);
- }
-}
-
-void ieee80211_add_work(struct ieee80211_work *wk)
-{
- struct ieee80211_local *local;
-
- if (WARN_ON(!wk->chan))
- return;
-
- if (WARN_ON(!wk->sdata))
- return;
-
- if (WARN_ON(!wk->done))
- return;
-
- if (WARN_ON(!ieee80211_sdata_running(wk->sdata)))
- return;
-
- wk->started = false;
-
- local = wk->sdata->local;
- mutex_lock(&local->mtx);
- list_add_tail(&wk->list, &local->work_list);
- mutex_unlock(&local->mtx);
-
- ieee80211_queue_work(&local->hw, &local->work_work);
-}
-
-void ieee80211_work_init(struct ieee80211_local *local)
-{
- INIT_LIST_HEAD(&local->work_list);
- setup_timer(&local->work_timer, ieee80211_work_timer,
- (unsigned long)local);
- INIT_WORK(&local->work_work, ieee80211_work_work);
-}
-
-void ieee80211_work_purge(struct ieee80211_sub_if_data *sdata)
-{
- struct ieee80211_local *local = sdata->local;
- struct ieee80211_work *wk;
- bool cleanup = false;
-
- mutex_lock(&local->mtx);
- list_for_each_entry(wk, &local->work_list, list) {
- if (wk->sdata != sdata)
- continue;
- cleanup = true;
- wk->type = IEEE80211_WORK_ABORT;
- wk->started = true;
- wk->timeout = jiffies;
- }
- mutex_unlock(&local->mtx);
-
- /* run cleanups etc. */
- if (cleanup)
- ieee80211_work_work(&local->work_work);
-
- mutex_lock(&local->mtx);
- list_for_each_entry(wk, &local->work_list, list) {
- if (wk->sdata != sdata)
- continue;
- WARN_ON(1);
- break;
- }
- mutex_unlock(&local->mtx);
-}
-
-static enum work_done_result ieee80211_remain_done(struct ieee80211_work *wk,
- struct sk_buff *skb)
-{
- /*
- * We are done serving the remain-on-channel command.
- */
- cfg80211_remain_on_channel_expired(wk->sdata->dev, (unsigned long) wk,
- wk->chan, wk->chan_type,
- GFP_KERNEL);
-
- return WORK_DONE_DESTROY;
-}
-
-int ieee80211_wk_remain_on_channel(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_channel *chan,
- enum nl80211_channel_type channel_type,
- unsigned int duration, u64 *cookie)
-{
- struct ieee80211_work *wk;
-
- wk = kzalloc(sizeof(*wk), GFP_KERNEL);
- if (!wk)
- return -ENOMEM;
-
- wk->type = IEEE80211_WORK_REMAIN_ON_CHANNEL;
- wk->chan = chan;
- wk->chan_type = channel_type;
- wk->sdata = sdata;
- wk->done = ieee80211_remain_done;
-
- wk->remain.duration = duration;
-
- *cookie = (unsigned long) wk;
-
- ieee80211_add_work(wk);
-
- return 0;
-}
-
-int ieee80211_wk_cancel_remain_on_channel(struct ieee80211_sub_if_data *sdata,
- u64 cookie)
-{
- struct ieee80211_local *local = sdata->local;
- struct ieee80211_work *wk, *tmp;
- bool found = false;
-
- mutex_lock(&local->mtx);
- list_for_each_entry_safe(wk, tmp, &local->work_list, list) {
- if ((unsigned long) wk == cookie) {
- wk->timeout = jiffies;
- found = true;
- break;
- }
- }
- mutex_unlock(&local->mtx);
-
- if (!found)
- return -ENOENT;
-
- ieee80211_queue_work(&local->hw, &local->work_work);
-
- return 0;
-}
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