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path: root/drivers/net/wireless/rt2x00/rt2x00dev.c
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Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00dev.c')
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00dev.c104
1 files changed, 53 insertions, 51 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index 57813e72c80..71761b34383 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -40,8 +40,7 @@ int rt2x00lib_enable_radio(struct rt2x00_dev *rt2x00dev)
* Don't enable the radio twice.
* And check if the hardware button has been disabled.
*/
- if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags) ||
- test_bit(DEVICE_STATE_DISABLED_RADIO_HW, &rt2x00dev->flags))
+ if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
return 0;
/*
@@ -119,20 +118,11 @@ void rt2x00lib_toggle_rx(struct rt2x00_dev *rt2x00dev, enum dev_state state)
rt2x00link_start_tuner(rt2x00dev);
}
-static void rt2x00lib_packetfilter_scheduled(struct work_struct *work)
-{
- struct rt2x00_dev *rt2x00dev =
- container_of(work, struct rt2x00_dev, filter_work);
-
- rt2x00dev->ops->lib->config_filter(rt2x00dev, rt2x00dev->packet_filter);
-}
-
static void rt2x00lib_intf_scheduled_iter(void *data, u8 *mac,
struct ieee80211_vif *vif)
{
struct rt2x00_dev *rt2x00dev = data;
struct rt2x00_intf *intf = vif_to_intf(vif);
- struct ieee80211_bss_conf conf;
int delayed_flags;
/*
@@ -142,7 +132,6 @@ static void rt2x00lib_intf_scheduled_iter(void *data, u8 *mac,
*/
spin_lock(&intf->lock);
- memcpy(&conf, &vif->bss_conf, sizeof(conf));
delayed_flags = intf->delayed_flags;
intf->delayed_flags = 0;
@@ -159,12 +148,6 @@ static void rt2x00lib_intf_scheduled_iter(void *data, u8 *mac,
if (delayed_flags & DELAYED_UPDATE_BEACON)
rt2x00queue_update_beacon(rt2x00dev, vif, true);
-
- if (delayed_flags & DELAYED_CONFIG_ERP)
- rt2x00lib_config_erp(rt2x00dev, intf, &conf);
-
- if (delayed_flags & DELAYED_LED_ASSOC)
- rt2x00leds_led_assoc(rt2x00dev, !!rt2x00dev->intf_associated);
}
static void rt2x00lib_intf_scheduled(struct work_struct *work)
@@ -187,7 +170,6 @@ static void rt2x00lib_intf_scheduled(struct work_struct *work)
static void rt2x00lib_beacondone_iter(void *data, u8 *mac,
struct ieee80211_vif *vif)
{
- struct rt2x00_dev *rt2x00dev = data;
struct rt2x00_intf *intf = vif_to_intf(vif);
if (vif->type != NL80211_IFTYPE_AP &&
@@ -196,12 +178,6 @@ static void rt2x00lib_beacondone_iter(void *data, u8 *mac,
vif->type != NL80211_IFTYPE_WDS)
return;
- /*
- * Clean up the beacon skb.
- */
- rt2x00queue_free_skb(rt2x00dev, intf->beacon->skb);
- intf->beacon->skb = NULL;
-
spin_lock(&intf->lock);
intf->delayed_flags |= DELAYED_UPDATE_BEACON;
spin_unlock(&intf->lock);
@@ -216,7 +192,7 @@ void rt2x00lib_beacondone(struct rt2x00_dev *rt2x00dev)
rt2x00lib_beacondone_iter,
rt2x00dev);
- queue_work(rt2x00dev->hw->workqueue, &rt2x00dev->intf_work);
+ ieee80211_queue_work(rt2x00dev->hw, &rt2x00dev->intf_work);
}
EXPORT_SYMBOL_GPL(rt2x00lib_beacondone);
@@ -228,7 +204,9 @@ void rt2x00lib_txdone(struct queue_entry *entry,
struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
enum data_queue_qid qid = skb_get_queue_mapping(entry->skb);
unsigned int header_length = ieee80211_get_hdrlen_from_skb(entry->skb);
- u8 rate_idx, rate_flags;
+ u8 rate_idx, rate_flags, retry_rates;
+ unsigned int i;
+ bool success;
/*
* Unmap the skb.
@@ -239,7 +217,7 @@ void rt2x00lib_txdone(struct queue_entry *entry,
* Remove L2 padding which was added during
*/
if (test_bit(DRIVER_REQUIRE_L2PAD, &rt2x00dev->flags))
- rt2x00queue_payload_align(entry->skb, true, header_length);
+ rt2x00queue_remove_l2pad(entry->skb, header_length);
/*
* If the IV/EIV data was stripped from the frame before it was
@@ -257,40 +235,54 @@ void rt2x00lib_txdone(struct queue_entry *entry,
rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_TXDONE, entry->skb);
/*
- * Update TX statistics.
+ * Determine if the frame has been successfully transmitted.
*/
- rt2x00dev->link.qual.tx_success +=
+ success =
test_bit(TXDONE_SUCCESS, &txdesc->flags) ||
- test_bit(TXDONE_UNKNOWN, &txdesc->flags);
- rt2x00dev->link.qual.tx_failed +=
- test_bit(TXDONE_FAILURE, &txdesc->flags);
+ test_bit(TXDONE_UNKNOWN, &txdesc->flags) ||
+ test_bit(TXDONE_FALLBACK, &txdesc->flags);
+
+ /*
+ * Update TX statistics.
+ */
+ rt2x00dev->link.qual.tx_success += success;
+ rt2x00dev->link.qual.tx_failed += !success;
rate_idx = skbdesc->tx_rate_idx;
rate_flags = skbdesc->tx_rate_flags;
+ retry_rates = test_bit(TXDONE_FALLBACK, &txdesc->flags) ?
+ (txdesc->retry + 1) : 1;
/*
* Initialize TX status
*/
memset(&tx_info->status, 0, sizeof(tx_info->status));
tx_info->status.ack_signal = 0;
- tx_info->status.rates[0].idx = rate_idx;
- tx_info->status.rates[0].flags = rate_flags;
- tx_info->status.rates[0].count = txdesc->retry + 1;
- tx_info->status.rates[1].idx = -1; /* terminate */
+
+ /*
+ * Frame was send with retries, hardware tried
+ * different rates to send out the frame, at each
+ * retry it lowered the rate 1 step.
+ */
+ for (i = 0; i < retry_rates && i < IEEE80211_TX_MAX_RATES; i++) {
+ tx_info->status.rates[i].idx = rate_idx - i;
+ tx_info->status.rates[i].flags = rate_flags;
+ tx_info->status.rates[i].count = 1;
+ }
+ if (i < (IEEE80211_TX_MAX_RATES - 1))
+ tx_info->status.rates[i].idx = -1; /* terminate */
if (!(tx_info->flags & IEEE80211_TX_CTL_NO_ACK)) {
- if (test_bit(TXDONE_SUCCESS, &txdesc->flags) ||
- test_bit(TXDONE_UNKNOWN, &txdesc->flags))
+ if (success)
tx_info->flags |= IEEE80211_TX_STAT_ACK;
- else if (test_bit(TXDONE_FAILURE, &txdesc->flags))
+ else
rt2x00dev->low_level_stats.dot11ACKFailureCount++;
}
if (rate_flags & IEEE80211_TX_RC_USE_RTS_CTS) {
- if (test_bit(TXDONE_SUCCESS, &txdesc->flags) ||
- test_bit(TXDONE_UNKNOWN, &txdesc->flags))
+ if (success)
rt2x00dev->low_level_stats.dot11RTSSuccessCount++;
- else if (test_bit(TXDONE_FAILURE, &txdesc->flags))
+ else
rt2x00dev->low_level_stats.dot11RTSFailureCount++;
}
@@ -372,7 +364,6 @@ void rt2x00lib_rxdone(struct rt2x00_dev *rt2x00dev,
struct sk_buff *skb;
struct ieee80211_rx_status *rx_status = &rt2x00dev->rx_status;
unsigned int header_length;
- bool l2pad;
int rate_idx;
/*
* Allocate a new sk_buffer. If no new buffer available, drop the
@@ -401,7 +392,6 @@ void rt2x00lib_rxdone(struct rt2x00_dev *rt2x00dev,
* aligned on a 4 byte boundary.
*/
header_length = ieee80211_get_hdrlen_from_skb(entry->skb);
- l2pad = !!(rxdesc.dev_flags & RXDONE_L2PAD);
/*
* Hardware might have stripped the IV/EIV/ICV data,
@@ -411,10 +401,12 @@ void rt2x00lib_rxdone(struct rt2x00_dev *rt2x00dev,
*/
if ((rxdesc.dev_flags & RXDONE_CRYPTO_IV) &&
(rxdesc.flags & RX_FLAG_IV_STRIPPED))
- rt2x00crypto_rx_insert_iv(entry->skb, l2pad, header_length,
+ rt2x00crypto_rx_insert_iv(entry->skb, header_length,
&rxdesc);
+ else if (rxdesc.dev_flags & RXDONE_L2PAD)
+ rt2x00queue_remove_l2pad(entry->skb, header_length);
else
- rt2x00queue_payload_align(entry->skb, l2pad, header_length);
+ rt2x00queue_align_payload(entry->skb, header_length);
/*
* Check if the frame was received using HT. In that case,
@@ -449,7 +441,8 @@ void rt2x00lib_rxdone(struct rt2x00_dev *rt2x00dev,
* mac80211 will clean up the skb structure.
*/
rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_RXDONE, entry->skb);
- ieee80211_rx_irqsafe(rt2x00dev->hw, entry->skb, rx_status);
+ memcpy(IEEE80211_SKB_RXCB(entry->skb), rx_status, sizeof(*rx_status));
+ ieee80211_rx_irqsafe(rt2x00dev->hw, entry->skb);
/*
* Replace the skb with the freshly allocated one.
@@ -785,6 +778,13 @@ int rt2x00lib_start(struct rt2x00_dev *rt2x00dev)
rt2x00dev->intf_sta_count = 0;
rt2x00dev->intf_associated = 0;
+ /* Enable the radio */
+ retval = rt2x00lib_enable_radio(rt2x00dev);
+ if (retval) {
+ rt2x00queue_uninitialize(rt2x00dev);
+ return retval;
+ }
+
set_bit(DEVICE_STATE_STARTED, &rt2x00dev->flags);
return 0;
@@ -847,7 +847,6 @@ int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev)
* Initialize configuration work.
*/
INIT_WORK(&rt2x00dev->intf_work, rt2x00lib_intf_scheduled);
- INIT_WORK(&rt2x00dev->filter_work, rt2x00lib_packetfilter_scheduled);
/*
* Allocate queue array.
@@ -870,7 +869,6 @@ int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev)
*/
rt2x00link_register(rt2x00dev);
rt2x00leds_register(rt2x00dev);
- rt2x00rfkill_allocate(rt2x00dev);
rt2x00debug_register(rt2x00dev);
set_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags);
@@ -894,6 +892,11 @@ void rt2x00lib_remove_dev(struct rt2x00_dev *rt2x00dev)
rt2x00lib_disable_radio(rt2x00dev);
/*
+ * Stop all work.
+ */
+ cancel_work_sync(&rt2x00dev->intf_work);
+
+ /*
* Uninitialize device.
*/
rt2x00lib_uninitialize(rt2x00dev);
@@ -902,7 +905,6 @@ void rt2x00lib_remove_dev(struct rt2x00_dev *rt2x00dev)
* Free extra components
*/
rt2x00debug_deregister(rt2x00dev);
- rt2x00rfkill_free(rt2x00dev);
rt2x00leds_unregister(rt2x00dev);
/*