* 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;
/*
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 &&
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);
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);
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(entry->skb);
struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
enum data_queue_qid qid = skb_get_queue_mapping(entry->skb);
- u8 rate_idx, rate_flags;
+ unsigned int header_length = ieee80211_get_hdrlen_from_skb(entry->skb);
+ u8 rate_idx, rate_flags, retry_rates;
+ unsigned int i;
/*
* Unmap the skb.
*/
rt2x00queue_unmap_skb(rt2x00dev, entry->skb);
+ /*
+ * Remove L2 padding which was added during
+ */
+ if (test_bit(DRIVER_REQUIRE_L2PAD, &rt2x00dev->flags))
+ rt2x00queue_payload_align(entry->skb, true, header_length);
+
/*
* If the IV/EIV data was stripped from the frame before it was
* passed to the hardware, we should now reinsert it again because
* frame as it was passed to us.
*/
if (test_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags))
- rt2x00crypto_tx_insert_iv(entry->skb);
+ rt2x00crypto_tx_insert_iv(entry->skb, header_length);
/*
* Send frame to debugfs immediately, after this call is completed
* Update TX statistics.
*/
rt2x00dev->link.qual.tx_success +=
- test_bit(TXDONE_SUCCESS, &txdesc->flags);
+ test_bit(TXDONE_SUCCESS, &txdesc->flags) ||
+ test_bit(TXDONE_UNKNOWN, &txdesc->flags);
rt2x00dev->link.qual.tx_failed +=
test_bit(TXDONE_FAILURE, &txdesc->flags);
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))
+ if (test_bit(TXDONE_SUCCESS, &txdesc->flags) ||
+ test_bit(TXDONE_UNKNOWN, &txdesc->flags))
tx_info->flags |= IEEE80211_TX_STAT_ACK;
else if (test_bit(TXDONE_FAILURE, &txdesc->flags))
rt2x00dev->low_level_stats.dot11ACKFailureCount++;
}
if (rate_flags & IEEE80211_TX_RC_USE_RTS_CTS) {
- if (test_bit(TXDONE_SUCCESS, &txdesc->flags))
+ if (test_bit(TXDONE_SUCCESS, &txdesc->flags) ||
+ test_bit(TXDONE_UNKNOWN, &txdesc->flags))
rt2x00dev->low_level_stats.dot11RTSSuccessCount++;
else if (test_bit(TXDONE_FAILURE, &txdesc->flags))
rt2x00dev->low_level_stats.dot11RTSFailureCount++;
}
EXPORT_SYMBOL_GPL(rt2x00lib_txdone);
+static int rt2x00lib_rxdone_read_signal(struct rt2x00_dev *rt2x00dev,
+ struct rxdone_entry_desc *rxdesc)
+{
+ struct ieee80211_supported_band *sband;
+ const struct rt2x00_rate *rate;
+ unsigned int i;
+ int signal;
+ int type;
+
+ /*
+ * For non-HT rates the MCS value needs to contain the
+ * actually used rate modulation (CCK or OFDM).
+ */
+ if (rxdesc->dev_flags & RXDONE_SIGNAL_MCS)
+ signal = RATE_MCS(rxdesc->rate_mode, rxdesc->signal);
+ else
+ signal = rxdesc->signal;
+
+ type = (rxdesc->dev_flags & RXDONE_SIGNAL_MASK);
+
+ sband = &rt2x00dev->bands[rt2x00dev->curr_band];
+ for (i = 0; i < sband->n_bitrates; i++) {
+ rate = rt2x00_get_rate(sband->bitrates[i].hw_value);
+
+ if (((type == RXDONE_SIGNAL_PLCP) &&
+ (rate->plcp == signal)) ||
+ ((type == RXDONE_SIGNAL_BITRATE) &&
+ (rate->bitrate == signal)) ||
+ ((type == RXDONE_SIGNAL_MCS) &&
+ (rate->mcs == signal))) {
+ return i;
+ }
+ }
+
+ WARNING(rt2x00dev, "Frame received with unrecognized signal, "
+ "signal=0x%.4x, type=%d.\n", signal, type);
+ return 0;
+}
+
void rt2x00lib_rxdone(struct rt2x00_dev *rt2x00dev,
struct queue_entry *entry)
{
struct rxdone_entry_desc rxdesc;
struct sk_buff *skb;
struct ieee80211_rx_status *rx_status = &rt2x00dev->rx_status;
- struct ieee80211_supported_band *sband;
- const struct rt2x00_rate *rate;
unsigned int header_length;
- unsigned int align;
- unsigned int i;
- int idx = -1;
-
+ bool l2pad;
+ int rate_idx;
/*
* Allocate a new sk_buffer. If no new buffer available, drop the
* received frame and reuse the existing buffer.
memset(&rxdesc, 0, sizeof(rxdesc));
rt2x00dev->ops->lib->fill_rxdone(entry, &rxdesc);
+ /* Trim buffer to correct size */
+ skb_trim(entry->skb, rxdesc.size);
+
/*
* The data behind the ieee80211 header must be
* aligned on a 4 byte boundary.
*/
header_length = ieee80211_get_hdrlen_from_skb(entry->skb);
- align = ((unsigned long)(entry->skb->data + header_length)) & 3;
+ l2pad = !!(rxdesc.dev_flags & RXDONE_L2PAD);
/*
* Hardware might have stripped the IV/EIV/ICV data,
* in which case we should reinsert the data into the frame.
*/
if ((rxdesc.dev_flags & RXDONE_CRYPTO_IV) &&
- (rxdesc.flags & RX_FLAG_IV_STRIPPED)) {
- rt2x00crypto_rx_insert_iv(entry->skb, align,
- header_length, &rxdesc);
- } else if (align) {
- skb_push(entry->skb, align);
- /* Move entire frame in 1 command */
- memmove(entry->skb->data, entry->skb->data + align,
- rxdesc.size);
- }
-
- /* Update data pointers, trim buffer to correct size */
- skb_trim(entry->skb, rxdesc.size);
+ (rxdesc.flags & RX_FLAG_IV_STRIPPED))
+ rt2x00crypto_rx_insert_iv(entry->skb, l2pad, header_length,
+ &rxdesc);
+ else
+ rt2x00queue_payload_align(entry->skb, l2pad, header_length);
/*
- * Update RX statistics.
+ * Check if the frame was received using HT. In that case,
+ * the rate is the MCS index and should be passed to mac80211
+ * directly. Otherwise we need to translate the signal to
+ * the correct bitrate index.
*/
- sband = &rt2x00dev->bands[rt2x00dev->curr_band];
- for (i = 0; i < sband->n_bitrates; i++) {
- rate = rt2x00_get_rate(sband->bitrates[i].hw_value);
-
- if (((rxdesc.dev_flags & RXDONE_SIGNAL_PLCP) &&
- (rate->plcp == rxdesc.signal)) ||
- ((rxdesc.dev_flags & RXDONE_SIGNAL_BITRATE) &&
- (rate->bitrate == rxdesc.signal))) {
- idx = i;
- break;
- }
- }
-
- if (idx < 0) {
- WARNING(rt2x00dev, "Frame received with unrecognized signal,"
- "signal=0x%.2x, type=%d.\n", rxdesc.signal,
- (rxdesc.dev_flags & RXDONE_SIGNAL_MASK));
- idx = 0;
+ if (rxdesc.rate_mode == RATE_MODE_CCK ||
+ rxdesc.rate_mode == RATE_MODE_OFDM) {
+ rate_idx = rt2x00lib_rxdone_read_signal(rt2x00dev, &rxdesc);
+ } else {
+ rxdesc.flags |= RX_FLAG_HT;
+ rate_idx = rxdesc.signal;
}
/*
rt2x00debug_update_crypto(rt2x00dev, &rxdesc);
rx_status->mactime = rxdesc.timestamp;
- rx_status->rate_idx = idx;
+ rx_status->rate_idx = rate_idx;
rx_status->qual = rt2x00link_calculate_signal(rt2x00dev, rxdesc.rssi);
rx_status->signal = rxdesc.rssi;
rx_status->noise = rxdesc.noise;
* 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.
.bitrate = 10,
.ratemask = BIT(0),
.plcp = 0x00,
+ .mcs = RATE_MCS(RATE_MODE_CCK, 0),
},
{
.flags = DEV_RATE_CCK | DEV_RATE_SHORT_PREAMBLE,
.bitrate = 20,
.ratemask = BIT(1),
.plcp = 0x01,
+ .mcs = RATE_MCS(RATE_MODE_CCK, 1),
},
{
.flags = DEV_RATE_CCK | DEV_RATE_SHORT_PREAMBLE,
.bitrate = 55,
.ratemask = BIT(2),
.plcp = 0x02,
+ .mcs = RATE_MCS(RATE_MODE_CCK, 2),
},
{
.flags = DEV_RATE_CCK | DEV_RATE_SHORT_PREAMBLE,
.bitrate = 110,
.ratemask = BIT(3),
.plcp = 0x03,
+ .mcs = RATE_MCS(RATE_MODE_CCK, 3),
},
{
.flags = DEV_RATE_OFDM,
.bitrate = 60,
.ratemask = BIT(4),
.plcp = 0x0b,
+ .mcs = RATE_MCS(RATE_MODE_OFDM, 0),
},
{
.flags = DEV_RATE_OFDM,
.bitrate = 90,
.ratemask = BIT(5),
.plcp = 0x0f,
+ .mcs = RATE_MCS(RATE_MODE_OFDM, 1),
},
{
.flags = DEV_RATE_OFDM,
.bitrate = 120,
.ratemask = BIT(6),
.plcp = 0x0a,
+ .mcs = RATE_MCS(RATE_MODE_OFDM, 2),
},
{
.flags = DEV_RATE_OFDM,
.bitrate = 180,
.ratemask = BIT(7),
.plcp = 0x0e,
+ .mcs = RATE_MCS(RATE_MODE_OFDM, 3),
},
{
.flags = DEV_RATE_OFDM,
.bitrate = 240,
.ratemask = BIT(8),
.plcp = 0x09,
+ .mcs = RATE_MCS(RATE_MODE_OFDM, 4),
},
{
.flags = DEV_RATE_OFDM,
.bitrate = 360,
.ratemask = BIT(9),
.plcp = 0x0d,
+ .mcs = RATE_MCS(RATE_MODE_OFDM, 5),
},
{
.flags = DEV_RATE_OFDM,
.bitrate = 480,
.ratemask = BIT(10),
.plcp = 0x08,
+ .mcs = RATE_MCS(RATE_MODE_OFDM, 6),
},
{
.flags = DEV_RATE_OFDM,
.bitrate = 540,
.ratemask = BIT(11),
.plcp = 0x0c,
+ .mcs = RATE_MCS(RATE_MODE_OFDM, 7),
},
};
rt2x00dev->bands[IEEE80211_BAND_2GHZ].bitrates = rates;
hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
&rt2x00dev->bands[IEEE80211_BAND_2GHZ];
+ memcpy(&rt2x00dev->bands[IEEE80211_BAND_2GHZ].ht_cap,
+ &spec->ht, sizeof(spec->ht));
}
/*
rt2x00dev->bands[IEEE80211_BAND_5GHZ].bitrates = &rates[4];
hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
&rt2x00dev->bands[IEEE80211_BAND_5GHZ];
+ memcpy(&rt2x00dev->bands[IEEE80211_BAND_5GHZ].ht_cap,
+ &spec->ht, sizeof(spec->ht));
}
return 0;
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;
*/
rt2x00link_register(rt2x00dev);
rt2x00leds_register(rt2x00dev);
- rt2x00rfkill_allocate(rt2x00dev);
rt2x00debug_register(rt2x00dev);
set_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags);
*/
rt2x00lib_disable_radio(rt2x00dev);
+ /*
+ * Stop all work.
+ */
+ cancel_work_sync(&rt2x00dev->filter_work);
+ cancel_work_sync(&rt2x00dev->intf_work);
+
/*
* Uninitialize device.
*/
* Free extra components
*/
rt2x00debug_deregister(rt2x00dev);
- rt2x00rfkill_free(rt2x00dev);
rt2x00leds_unregister(rt2x00dev);
/*