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path: root/drivers/net/wireless/rtl818x/rtl8187/dev.c
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Diffstat (limited to 'drivers/net/wireless/rtl818x/rtl8187/dev.c')
-rw-r--r--drivers/net/wireless/rtl818x/rtl8187/dev.c33
1 files changed, 23 insertions, 10 deletions
diff --git a/drivers/net/wireless/rtl818x/rtl8187/dev.c b/drivers/net/wireless/rtl818x/rtl8187/dev.c
index 6b82cac..1e0be14 100644
--- a/drivers/net/wireless/rtl818x/rtl8187/dev.c
+++ b/drivers/net/wireless/rtl818x/rtl8187/dev.c
@@ -227,7 +227,7 @@ static void rtl8187_tx_cb(struct urb *urb)
}
}
-static int rtl8187_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
+static void rtl8187_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
{
struct rtl8187_priv *priv = dev->priv;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
@@ -241,7 +241,7 @@ static int rtl8187_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
urb = usb_alloc_urb(0, GFP_ATOMIC);
if (!urb) {
kfree_skb(skb);
- return NETDEV_TX_OK;
+ return;
}
flags = skb->len;
@@ -309,8 +309,6 @@ static int rtl8187_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
kfree_skb(skb);
}
usb_free_urb(urb);
-
- return NETDEV_TX_OK;
}
static void rtl8187_rx_cb(struct urb *urb)
@@ -373,7 +371,7 @@ static void rtl8187_rx_cb(struct urb *urb)
rx_status.rate_idx = rate;
rx_status.freq = dev->conf.channel->center_freq;
rx_status.band = dev->conf.channel->band;
- rx_status.flag |= RX_FLAG_TSFT;
+ rx_status.flag |= RX_FLAG_MACTIME_MPDU;
if (flags & RTL818X_RX_DESC_FLAG_CRC32_ERR)
rx_status.flag |= RX_FLAG_FAILED_FCS_CRC;
memcpy(IEEE80211_SKB_RXCB(skb), &rx_status, sizeof(rx_status));
@@ -871,23 +869,35 @@ static void rtl8187_work(struct work_struct *work)
/* The RTL8187 returns the retry count through register 0xFFFA. In
* addition, it appears to be a cumulative retry count, not the
* value for the current TX packet. When multiple TX entries are
- * queued, the retry count will be valid for the last one in the queue.
- * The "error" should not matter for purposes of rate setting. */
+ * waiting in the queue, the retry count will be the total for all.
+ * The "error" may matter for purposes of rate setting, but there is
+ * no other choice with this hardware.
+ */
struct rtl8187_priv *priv = container_of(work, struct rtl8187_priv,
work.work);
struct ieee80211_tx_info *info;
struct ieee80211_hw *dev = priv->dev;
static u16 retry;
u16 tmp;
+ u16 avg_retry;
+ int length;
mutex_lock(&priv->conf_mutex);
tmp = rtl818x_ioread16(priv, (__le16 *)0xFFFA);
+ length = skb_queue_len(&priv->b_tx_status.queue);
+ if (unlikely(!length))
+ length = 1;
+ if (unlikely(tmp < retry))
+ tmp = retry;
+ avg_retry = (tmp - retry) / length;
while (skb_queue_len(&priv->b_tx_status.queue) > 0) {
struct sk_buff *old_skb;
old_skb = skb_dequeue(&priv->b_tx_status.queue);
info = IEEE80211_SKB_CB(old_skb);
- info->status.rates[0].count = tmp - retry + 1;
+ info->status.rates[0].count = avg_retry + 1;
+ if (info->status.rates[0].count > RETRY_COUNT)
+ info->flags &= ~IEEE80211_TX_STAT_ACK;
ieee80211_tx_status_irqsafe(dev, old_skb);
}
retry = tmp;
@@ -933,8 +943,8 @@ static int rtl8187_start(struct ieee80211_hw *dev)
rtl818x_iowrite32(priv, &priv->map->TX_CONF,
RTL818X_TX_CONF_HW_SEQNUM |
RTL818X_TX_CONF_DISREQQSIZE |
- (7 << 8 /* short retry limit */) |
- (7 << 0 /* long retry limit */) |
+ (RETRY_COUNT << 8 /* short retry limit */) |
+ (RETRY_COUNT << 0 /* long retry limit */) |
(7 << 21 /* MAX TX DMA */));
rtl8187_init_urbs(dev);
rtl8187b_init_status_urb(dev);
@@ -1378,6 +1388,9 @@ static int __devinit rtl8187_probe(struct usb_interface *intf,
dev->flags = IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
IEEE80211_HW_SIGNAL_DBM |
IEEE80211_HW_RX_INCLUDES_FCS;
+ /* Initialize rate-control variables */
+ dev->max_rates = 1;
+ dev->max_rate_tries = RETRY_COUNT;
eeprom.data = dev;
eeprom.register_read = rtl8187_eeprom_register_read;