summaryrefslogtreecommitdiff
path: root/drivers/net/wireless
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless')
-rw-r--r--drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c35
-rw-r--r--drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.h3
-rw-r--r--drivers/net/wireless/brcm80211/brcmsmac/main.c40
-rw-r--r--drivers/net/wireless/brcm80211/brcmsmac/pub.h3
-rw-r--r--drivers/net/wireless/iwlwifi/dvm/tx.c24
-rw-r--r--drivers/net/wireless/mwifiex/scan.c9
-rw-r--r--drivers/net/wireless/mwl8k.c36
-rw-r--r--drivers/net/wireless/rtlwifi/base.c7
-rw-r--r--drivers/net/wireless/rtlwifi/usb.c4
9 files changed, 72 insertions, 89 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
index 0f71d1d4339d..e5fd20994bec 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
@@ -36,6 +36,7 @@
#include "debug.h"
#define N_TX_QUEUES 4 /* #tx queues on mac80211<->driver interface */
+#define BRCMS_FLUSH_TIMEOUT 500 /* msec */
/* Flags we support */
#define MAC_FILTERS (FIF_PROMISC_IN_BSS | \
@@ -708,16 +709,29 @@ static void brcms_ops_rfkill_poll(struct ieee80211_hw *hw)
wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, blocked);
}
+static bool brcms_tx_flush_completed(struct brcms_info *wl)
+{
+ bool result;
+
+ spin_lock_bh(&wl->lock);
+ result = brcms_c_tx_flush_completed(wl->wlc);
+ spin_unlock_bh(&wl->lock);
+ return result;
+}
+
static void brcms_ops_flush(struct ieee80211_hw *hw, bool drop)
{
struct brcms_info *wl = hw->priv;
+ int ret;
no_printk("%s: drop = %s\n", __func__, drop ? "true" : "false");
- /* wait for packet queue and dma fifos to run empty */
- spin_lock_bh(&wl->lock);
- brcms_c_wait_for_tx_completion(wl->wlc, drop);
- spin_unlock_bh(&wl->lock);
+ ret = wait_event_timeout(wl->tx_flush_wq,
+ brcms_tx_flush_completed(wl),
+ msecs_to_jiffies(BRCMS_FLUSH_TIMEOUT));
+
+ brcms_dbg_mac80211(wl->wlc->hw->d11core,
+ "ret=%d\n", jiffies_to_msecs(ret));
}
static const struct ieee80211_ops brcms_ops = {
@@ -772,6 +786,7 @@ void brcms_dpc(unsigned long data)
done:
spin_unlock_bh(&wl->lock);
+ wake_up(&wl->tx_flush_wq);
}
/*
@@ -1020,6 +1035,8 @@ static struct brcms_info *brcms_attach(struct bcma_device *pdev)
atomic_set(&wl->callbacks, 0);
+ init_waitqueue_head(&wl->tx_flush_wq);
+
/* setup the bottom half handler */
tasklet_init(&wl->tasklet, brcms_dpc, (unsigned long) wl);
@@ -1609,13 +1626,3 @@ bool brcms_rfkill_set_hw_state(struct brcms_info *wl)
spin_lock_bh(&wl->lock);
return blocked;
}
-
-/*
- * precondition: perimeter lock has been acquired
- */
-void brcms_msleep(struct brcms_info *wl, uint ms)
-{
- spin_unlock_bh(&wl->lock);
- msleep(ms);
- spin_lock_bh(&wl->lock);
-}
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.h b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.h
index 9358bd5ebd35..947ccacf43e6 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.h
+++ b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.h
@@ -68,6 +68,8 @@ struct brcms_info {
spinlock_t lock; /* per-device perimeter lock */
spinlock_t isr_lock; /* per-device ISR synchronization lock */
+ /* tx flush */
+ wait_queue_head_t tx_flush_wq;
/* timer related fields */
atomic_t callbacks; /* # outstanding callback functions */
@@ -100,7 +102,6 @@ extern struct brcms_timer *brcms_init_timer(struct brcms_info *wl,
extern void brcms_free_timer(struct brcms_timer *timer);
extern void brcms_add_timer(struct brcms_timer *timer, uint ms, int periodic);
extern bool brcms_del_timer(struct brcms_timer *timer);
-extern void brcms_msleep(struct brcms_info *wl, uint ms);
extern void brcms_dpc(unsigned long data);
extern void brcms_timer(struct brcms_timer *t);
extern void brcms_fatal_error(struct brcms_info *wl);
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/main.c b/drivers/net/wireless/brcm80211/brcmsmac/main.c
index 17594de4199e..8b5839008af3 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/main.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/main.c
@@ -1027,7 +1027,6 @@ brcms_c_dotxstatus(struct brcms_c_info *wlc, struct tx_status *txs)
static bool
brcms_b_txstatus(struct brcms_hardware *wlc_hw, bool bound, bool *fatal)
{
- bool morepending = false;
struct bcma_device *core;
struct tx_status txstatus, *txs;
u32 s1, s2;
@@ -1041,23 +1040,20 @@ brcms_b_txstatus(struct brcms_hardware *wlc_hw, bool bound, bool *fatal)
txs = &txstatus;
core = wlc_hw->d11core;
*fatal = false;
- s1 = bcma_read32(core, D11REGOFFS(frmtxstatus));
- while (!(*fatal)
- && (s1 & TXS_V)) {
- /* !give others some time to run! */
- if (n >= max_tx_num) {
- morepending = true;
- break;
- }
+ while (n < max_tx_num) {
+ s1 = bcma_read32(core, D11REGOFFS(frmtxstatus));
if (s1 == 0xffffffff) {
brcms_err(core, "wl%d: %s: dead chip\n", wlc_hw->unit,
__func__);
*fatal = true;
return false;
}
- s2 = bcma_read32(core, D11REGOFFS(frmtxstatus2));
+ /* only process when valid */
+ if (!(s1 & TXS_V))
+ break;
+ s2 = bcma_read32(core, D11REGOFFS(frmtxstatus2));
txs->status = s1 & TXS_STATUS_MASK;
txs->frameid = (s1 & TXS_FID_MASK) >> TXS_FID_SHIFT;
txs->sequence = s2 & TXS_SEQ_MASK;
@@ -1065,15 +1061,12 @@ brcms_b_txstatus(struct brcms_hardware *wlc_hw, bool bound, bool *fatal)
txs->lasttxtime = 0;
*fatal = brcms_c_dotxstatus(wlc_hw->wlc, txs);
-
- s1 = bcma_read32(core, D11REGOFFS(frmtxstatus));
+ if (*fatal == true)
+ return false;
n++;
}
- if (*fatal)
- return false;
-
- return morepending;
+ return n >= max_tx_num;
}
static void brcms_c_tbtt(struct brcms_c_info *wlc)
@@ -7518,25 +7511,16 @@ int brcms_c_get_curband(struct brcms_c_info *wlc)
return wlc->band->bandunit;
}
-void brcms_c_wait_for_tx_completion(struct brcms_c_info *wlc, bool drop)
+bool brcms_c_tx_flush_completed(struct brcms_c_info *wlc)
{
- int timeout = 20;
int i;
/* Kick DMA to send any pending AMPDU */
for (i = 0; i < ARRAY_SIZE(wlc->hw->di); i++)
if (wlc->hw->di[i])
- dma_txflush(wlc->hw->di[i]);
-
- /* wait for queue and DMA fifos to run dry */
- while (brcms_txpktpendtot(wlc) > 0) {
- brcms_msleep(wlc->wl, 1);
-
- if (--timeout == 0)
- break;
- }
+ dma_kick_tx(wlc->hw->di[i]);
- WARN_ON_ONCE(timeout == 0);
+ return !brcms_txpktpendtot(wlc);
}
void brcms_c_set_beacon_listen_interval(struct brcms_c_info *wlc, u8 interval)
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/pub.h b/drivers/net/wireless/brcm80211/brcmsmac/pub.h
index 4fb2834f4e64..b0f14b7b8616 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/pub.h
+++ b/drivers/net/wireless/brcm80211/brcmsmac/pub.h
@@ -314,8 +314,6 @@ extern void brcms_c_associate_upd(struct brcms_c_info *wlc, bool state);
extern void brcms_c_scan_start(struct brcms_c_info *wlc);
extern void brcms_c_scan_stop(struct brcms_c_info *wlc);
extern int brcms_c_get_curband(struct brcms_c_info *wlc);
-extern void brcms_c_wait_for_tx_completion(struct brcms_c_info *wlc,
- bool drop);
extern int brcms_c_set_channel(struct brcms_c_info *wlc, u16 channel);
extern int brcms_c_set_rate_limit(struct brcms_c_info *wlc, u16 srl, u16 lrl);
extern void brcms_c_get_current_rateset(struct brcms_c_info *wlc,
@@ -332,5 +330,6 @@ extern int brcms_c_set_tx_power(struct brcms_c_info *wlc, int txpwr);
extern int brcms_c_get_tx_power(struct brcms_c_info *wlc);
extern bool brcms_c_check_radio_disabled(struct brcms_c_info *wlc);
extern void brcms_c_mute(struct brcms_c_info *wlc, bool on);
+extern bool brcms_c_tx_flush_completed(struct brcms_c_info *wlc);
#endif /* _BRCM_PUB_H_ */
diff --git a/drivers/net/wireless/iwlwifi/dvm/tx.c b/drivers/net/wireless/iwlwifi/dvm/tx.c
index 31534f7c0548..279796419ea0 100644
--- a/drivers/net/wireless/iwlwifi/dvm/tx.c
+++ b/drivers/net/wireless/iwlwifi/dvm/tx.c
@@ -1153,6 +1153,13 @@ int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb,
next_reclaimed = ssn;
}
+ if (tid != IWL_TID_NON_QOS) {
+ priv->tid_data[sta_id][tid].next_reclaimed =
+ next_reclaimed;
+ IWL_DEBUG_TX_REPLY(priv, "Next reclaimed packet:%d\n",
+ next_reclaimed);
+ }
+
iwl_trans_reclaim(priv->trans, txq_id, ssn, &skbs);
iwlagn_check_ratid_empty(priv, sta_id, tid);
@@ -1203,28 +1210,11 @@ int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb,
if (!is_agg)
iwlagn_non_agg_tx_status(priv, ctx, hdr->addr1);
- /*
- * W/A for FW bug - the seq_ctl isn't updated when the
- * queues are flushed. Fetch it from the packet itself
- */
- if (!is_agg && status == TX_STATUS_FAIL_FIFO_FLUSHED) {
- next_reclaimed = le16_to_cpu(hdr->seq_ctrl);
- next_reclaimed =
- SEQ_TO_SN(next_reclaimed + 0x10);
- }
-
is_offchannel_skb =
(info->flags & IEEE80211_TX_CTL_TX_OFFCHAN);
freed++;
}
- if (tid != IWL_TID_NON_QOS) {
- priv->tid_data[sta_id][tid].next_reclaimed =
- next_reclaimed;
- IWL_DEBUG_TX_REPLY(priv, "Next reclaimed packet:%d\n",
- next_reclaimed);
- }
-
WARN_ON(!is_agg && freed != 1);
/*
diff --git a/drivers/net/wireless/mwifiex/scan.c b/drivers/net/wireless/mwifiex/scan.c
index 9189a32b7844..973a9d90e9ea 100644
--- a/drivers/net/wireless/mwifiex/scan.c
+++ b/drivers/net/wireless/mwifiex/scan.c
@@ -1563,7 +1563,7 @@ int mwifiex_ret_802_11_scan(struct mwifiex_private *priv,
dev_err(adapter->dev, "SCAN_RESP: too many AP returned (%d)\n",
scan_rsp->number_of_sets);
ret = -1;
- goto done;
+ goto check_next_scan;
}
bytes_left = le16_to_cpu(scan_rsp->bss_descript_size);
@@ -1634,7 +1634,8 @@ int mwifiex_ret_802_11_scan(struct mwifiex_private *priv,
if (!beacon_size || beacon_size > bytes_left) {
bss_info += bytes_left;
bytes_left = 0;
- return -1;
+ ret = -1;
+ goto check_next_scan;
}
/* Initialize the current working beacon pointer for this BSS
@@ -1690,7 +1691,7 @@ int mwifiex_ret_802_11_scan(struct mwifiex_private *priv,
dev_err(priv->adapter->dev,
"%s: bytes left < IE length\n",
__func__);
- goto done;
+ goto check_next_scan;
}
if (element_id == WLAN_EID_DS_PARAMS) {
channel = *(current_ptr + sizeof(struct ieee_types_header));
@@ -1753,6 +1754,7 @@ int mwifiex_ret_802_11_scan(struct mwifiex_private *priv,
}
}
+check_next_scan:
spin_lock_irqsave(&adapter->scan_pending_q_lock, flags);
if (list_empty(&adapter->scan_pending_q)) {
spin_unlock_irqrestore(&adapter->scan_pending_q_lock, flags);
@@ -1813,7 +1815,6 @@ int mwifiex_ret_802_11_scan(struct mwifiex_private *priv,
}
}
-done:
return ret;
}
diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index 83564d36e801..a00a03ea4ec9 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -318,20 +318,20 @@ struct mwl8k_sta {
#define MWL8K_STA(_sta) ((struct mwl8k_sta *)&((_sta)->drv_priv))
static const struct ieee80211_channel mwl8k_channels_24[] = {
- { .center_freq = 2412, .hw_value = 1, },
- { .center_freq = 2417, .hw_value = 2, },
- { .center_freq = 2422, .hw_value = 3, },
- { .center_freq = 2427, .hw_value = 4, },
- { .center_freq = 2432, .hw_value = 5, },
- { .center_freq = 2437, .hw_value = 6, },
- { .center_freq = 2442, .hw_value = 7, },
- { .center_freq = 2447, .hw_value = 8, },
- { .center_freq = 2452, .hw_value = 9, },
- { .center_freq = 2457, .hw_value = 10, },
- { .center_freq = 2462, .hw_value = 11, },
- { .center_freq = 2467, .hw_value = 12, },
- { .center_freq = 2472, .hw_value = 13, },
- { .center_freq = 2484, .hw_value = 14, },
+ { .band = IEEE80211_BAND_2GHZ, .center_freq = 2412, .hw_value = 1, },
+ { .band = IEEE80211_BAND_2GHZ, .center_freq = 2417, .hw_value = 2, },
+ { .band = IEEE80211_BAND_2GHZ, .center_freq = 2422, .hw_value = 3, },
+ { .band = IEEE80211_BAND_2GHZ, .center_freq = 2427, .hw_value = 4, },
+ { .band = IEEE80211_BAND_2GHZ, .center_freq = 2432, .hw_value = 5, },
+ { .band = IEEE80211_BAND_2GHZ, .center_freq = 2437, .hw_value = 6, },
+ { .band = IEEE80211_BAND_2GHZ, .center_freq = 2442, .hw_value = 7, },
+ { .band = IEEE80211_BAND_2GHZ, .center_freq = 2447, .hw_value = 8, },
+ { .band = IEEE80211_BAND_2GHZ, .center_freq = 2452, .hw_value = 9, },
+ { .band = IEEE80211_BAND_2GHZ, .center_freq = 2457, .hw_value = 10, },
+ { .band = IEEE80211_BAND_2GHZ, .center_freq = 2462, .hw_value = 11, },
+ { .band = IEEE80211_BAND_2GHZ, .center_freq = 2467, .hw_value = 12, },
+ { .band = IEEE80211_BAND_2GHZ, .center_freq = 2472, .hw_value = 13, },
+ { .band = IEEE80211_BAND_2GHZ, .center_freq = 2484, .hw_value = 14, },
};
static const struct ieee80211_rate mwl8k_rates_24[] = {
@@ -352,10 +352,10 @@ static const struct ieee80211_rate mwl8k_rates_24[] = {
};
static const struct ieee80211_channel mwl8k_channels_50[] = {
- { .center_freq = 5180, .hw_value = 36, },
- { .center_freq = 5200, .hw_value = 40, },
- { .center_freq = 5220, .hw_value = 44, },
- { .center_freq = 5240, .hw_value = 48, },
+ { .band = IEEE80211_BAND_5GHZ, .center_freq = 5180, .hw_value = 36, },
+ { .band = IEEE80211_BAND_5GHZ, .center_freq = 5200, .hw_value = 40, },
+ { .band = IEEE80211_BAND_5GHZ, .center_freq = 5220, .hw_value = 44, },
+ { .band = IEEE80211_BAND_5GHZ, .center_freq = 5240, .hw_value = 48, },
};
static const struct ieee80211_rate mwl8k_rates_50[] = {
diff --git a/drivers/net/wireless/rtlwifi/base.c b/drivers/net/wireless/rtlwifi/base.c
index 4494d130b37c..0f8b05185eda 100644
--- a/drivers/net/wireless/rtlwifi/base.c
+++ b/drivers/net/wireless/rtlwifi/base.c
@@ -1004,7 +1004,8 @@ u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx)
is_tx ? "Tx" : "Rx");
if (is_tx) {
- rtl_lps_leave(hw);
+ schedule_work(&rtlpriv->
+ works.lps_leave_work);
ppsc->last_delaylps_stamp_jiffies =
jiffies;
}
@@ -1014,7 +1015,7 @@ u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx)
}
} else if (ETH_P_ARP == ether_type) {
if (is_tx) {
- rtl_lps_leave(hw);
+ schedule_work(&rtlpriv->works.lps_leave_work);
ppsc->last_delaylps_stamp_jiffies = jiffies;
}
@@ -1024,7 +1025,7 @@ u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx)
"802.1X %s EAPOL pkt!!\n", is_tx ? "Tx" : "Rx");
if (is_tx) {
- rtl_lps_leave(hw);
+ schedule_work(&rtlpriv->works.lps_leave_work);
ppsc->last_delaylps_stamp_jiffies = jiffies;
}
diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c
index f2ecdeb3a90d..1535efda3d52 100644
--- a/drivers/net/wireless/rtlwifi/usb.c
+++ b/drivers/net/wireless/rtlwifi/usb.c
@@ -542,8 +542,8 @@ static void _rtl_rx_pre_process(struct ieee80211_hw *hw, struct sk_buff *skb)
WARN_ON(skb_queue_empty(&rx_queue));
while (!skb_queue_empty(&rx_queue)) {
_skb = skb_dequeue(&rx_queue);
- _rtl_usb_rx_process_agg(hw, skb);
- ieee80211_rx_irqsafe(hw, skb);
+ _rtl_usb_rx_process_agg(hw, _skb);
+ ieee80211_rx_irqsafe(hw, _skb);
}
}