]> www.pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - drivers/net/wireless/rt2x00/rt2x00dev.c
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
[linux-2.6-omap-h63xx.git] / drivers / net / wireless / rt2x00 / rt2x00dev.c
index 2673d568bcac286dc9f3cbdb8da9d3c5051ff7cc..f7a44170c0257c6d31da587b0ebd154854958b1b 100644 (file)
@@ -28,7 +28,6 @@
 
 #include "rt2x00.h"
 #include "rt2x00lib.h"
-#include "rt2x00dump.h"
 
 /*
  * Link tuning handlers
@@ -126,7 +125,7 @@ int rt2x00lib_enable_radio(struct rt2x00_dev *rt2x00dev)
        /*
         * Start the TX queues.
         */
-       ieee80211_start_queues(rt2x00dev->hw);
+       ieee80211_wake_queues(rt2x00dev->hw);
 
        return 0;
 }
@@ -416,7 +415,6 @@ static void rt2x00lib_intf_scheduled_iter(void *data, u8 *mac,
        struct rt2x00_dev *rt2x00dev = data;
        struct rt2x00_intf *intf = vif_to_intf(vif);
        struct sk_buff *skb;
-       struct ieee80211_tx_control control;
        struct ieee80211_bss_conf conf;
        int delayed_flags;
 
@@ -434,9 +432,9 @@ static void rt2x00lib_intf_scheduled_iter(void *data, u8 *mac,
        spin_unlock(&intf->lock);
 
        if (delayed_flags & DELAYED_UPDATE_BEACON) {
-               skb = ieee80211_beacon_get(rt2x00dev->hw, vif, &control);
-               if (skb && rt2x00dev->ops->hw->beacon_update(rt2x00dev->hw,
-                                                            skb, &control))
+               skb = ieee80211_beacon_get(rt2x00dev->hw, vif);
+               if (skb &&
+                   rt2x00dev->ops->hw->beacon_update(rt2x00dev->hw, skb))
                        dev_kfree_skb(skb);
        }
 
@@ -495,64 +493,55 @@ void rt2x00lib_txdone(struct queue_entry *entry,
                      struct txdone_entry_desc *txdesc)
 {
        struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
-       struct skb_frame_desc *skbdesc;
-       struct ieee80211_tx_status tx_status;
-       int success = !!(txdesc->status == TX_SUCCESS ||
-                        txdesc->status == TX_SUCCESS_RETRY);
-       int fail = !!(txdesc->status == TX_FAIL_RETRY ||
-                     txdesc->status == TX_FAIL_INVALID ||
-                     txdesc->status == TX_FAIL_OTHER);
+       struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(entry->skb);
+
+       /*
+        * Send frame to debugfs immediately, after this call is completed
+        * we are going to overwrite the skb->cb array.
+        */
+       rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_TXDONE, entry->skb);
 
        /*
         * Update TX statistics.
         */
-       rt2x00dev->link.qual.tx_success += success;
-       rt2x00dev->link.qual.tx_failed += fail;
+       rt2x00dev->link.qual.tx_success +=
+           test_bit(TXDONE_SUCCESS, &txdesc->flags);
+       rt2x00dev->link.qual.tx_failed +=
+           txdesc->retry + !!test_bit(TXDONE_FAILURE, &txdesc->flags);
 
        /*
         * Initialize TX status
         */
-       tx_status.flags = 0;
-       tx_status.ack_signal = 0;
-       tx_status.excessive_retries = (txdesc->status == TX_FAIL_RETRY);
-       tx_status.retry_count = txdesc->retry;
-       memcpy(&tx_status.control, txdesc->control, sizeof(*txdesc->control));
+       memset(&tx_info->status, 0, sizeof(tx_info->status));
+       tx_info->status.ack_signal = 0;
+       tx_info->status.excessive_retries =
+           test_bit(TXDONE_EXCESSIVE_RETRY, &txdesc->flags);
+       tx_info->status.retry_count = txdesc->retry;
 
-       if (!(tx_status.control.flags & IEEE80211_TXCTL_NO_ACK)) {
-               if (success)
-                       tx_status.flags |= IEEE80211_TX_STATUS_ACK;
-               else
+       if (!(tx_info->flags & IEEE80211_TX_CTL_NO_ACK)) {
+               if (test_bit(TXDONE_SUCCESS, &txdesc->flags))
+                       tx_info->flags |= IEEE80211_TX_STAT_ACK;
+               else if (test_bit(TXDONE_FAILURE, &txdesc->flags))
                        rt2x00dev->low_level_stats.dot11ACKFailureCount++;
        }
 
-       tx_status.queue_length = entry->queue->limit;
-       tx_status.queue_number = tx_status.control.queue;
-
-       if (tx_status.control.flags & IEEE80211_TXCTL_USE_RTS_CTS) {
-               if (success)
+       if (tx_info->flags & IEEE80211_TX_CTL_USE_RTS_CTS) {
+               if (test_bit(TXDONE_SUCCESS, &txdesc->flags))
                        rt2x00dev->low_level_stats.dot11RTSSuccessCount++;
-               else
+               else if (test_bit(TXDONE_FAILURE, &txdesc->flags))
                        rt2x00dev->low_level_stats.dot11RTSFailureCount++;
        }
 
        /*
-        * Send the tx_status to debugfs. Only send the status report
-        * to mac80211 when the frame originated from there. If this was
-        * a extra frame coming through a mac80211 library call (RTS/CTS)
-        * then we should not send the status report back.
-        * If send to mac80211, mac80211 will clean up the skb structure,
-        * otherwise we have to do it ourself.
+        * Only send the status report to mac80211 when TX status was
+        * requested by it. If this was a extra frame coming through
+        * a mac80211 library call (RTS/CTS) then we should not send the
+        * status report back.
         */
-       skbdesc = get_skb_frame_desc(entry->skb);
-       skbdesc->frame_type = DUMP_FRAME_TXDONE;
-
-       rt2x00debug_dump_frame(rt2x00dev, entry->skb);
-
-       if (!(skbdesc->flags & FRAME_DESC_DRIVER_GENERATED))
-               ieee80211_tx_status_irqsafe(rt2x00dev->hw,
-                                           entry->skb, &tx_status);
+       if (tx_info->flags & IEEE80211_TX_CTL_REQ_TX_STATUS)
+               ieee80211_tx_status_irqsafe(rt2x00dev->hw, entry->skb);
        else
-               dev_kfree_skb(entry->skb);
+               dev_kfree_skb_irq(entry->skb);
        entry->skb = NULL;
 }
 EXPORT_SYMBOL_GPL(rt2x00lib_txdone);
@@ -603,9 +592,9 @@ void rt2x00lib_rxdone(struct queue_entry *entry,
        rt2x00dev->link.qual.rx_success++;
 
        rx_status->rate_idx = idx;
-       rx_status->signal =
+       rx_status->qual =
            rt2x00lib_calculate_link_signal(rt2x00dev, rxdesc->rssi);
-       rx_status->ssi = rxdesc->rssi;
+       rx_status->signal = rxdesc->rssi;
        rx_status->flag = rxdesc->flags;
        rx_status->antenna = rt2x00dev->link.ant.active.rx;
 
@@ -613,154 +602,12 @@ void rt2x00lib_rxdone(struct queue_entry *entry,
         * Send frame to mac80211 & debugfs.
         * mac80211 will clean up the skb structure.
         */
-       get_skb_frame_desc(entry->skb)->frame_type = DUMP_FRAME_RXDONE;
-       rt2x00debug_dump_frame(rt2x00dev, entry->skb);
+       rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_RXDONE, entry->skb);
        ieee80211_rx_irqsafe(rt2x00dev->hw, entry->skb, rx_status);
        entry->skb = NULL;
 }
 EXPORT_SYMBOL_GPL(rt2x00lib_rxdone);
 
-/*
- * TX descriptor initializer
- */
-void rt2x00lib_write_tx_desc(struct rt2x00_dev *rt2x00dev,
-                            struct sk_buff *skb,
-                            struct ieee80211_tx_control *control)
-{
-       struct txentry_desc txdesc;
-       struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
-       struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skbdesc->data;
-       const struct rt2x00_rate *rate;
-       int tx_rate;
-       int length;
-       int duration;
-       int residual;
-       u16 frame_control;
-       u16 seq_ctrl;
-
-       memset(&txdesc, 0, sizeof(txdesc));
-
-       txdesc.queue = skbdesc->entry->queue->qid;
-       txdesc.cw_min = skbdesc->entry->queue->cw_min;
-       txdesc.cw_max = skbdesc->entry->queue->cw_max;
-       txdesc.aifs = skbdesc->entry->queue->aifs;
-
-       /*
-        * Read required fields from ieee80211 header.
-        */
-       frame_control = le16_to_cpu(hdr->frame_control);
-       seq_ctrl = le16_to_cpu(hdr->seq_ctrl);
-
-       tx_rate = control->tx_rate->hw_value;
-
-       /*
-        * Check whether this frame is to be acked
-        */
-       if (!(control->flags & IEEE80211_TXCTL_NO_ACK))
-               __set_bit(ENTRY_TXD_ACK, &txdesc.flags);
-
-       /*
-        * Check if this is a RTS/CTS frame
-        */
-       if (is_rts_frame(frame_control) || is_cts_frame(frame_control)) {
-               __set_bit(ENTRY_TXD_BURST, &txdesc.flags);
-               if (is_rts_frame(frame_control)) {
-                       __set_bit(ENTRY_TXD_RTS_FRAME, &txdesc.flags);
-                       __set_bit(ENTRY_TXD_ACK, &txdesc.flags);
-               } else
-                       __clear_bit(ENTRY_TXD_ACK, &txdesc.flags);
-               if (control->rts_cts_rate)
-                       tx_rate = control->rts_cts_rate->hw_value;
-       }
-
-       rate = rt2x00_get_rate(tx_rate);
-
-       /*
-        * Check if more fragments are pending
-        */
-       if (ieee80211_get_morefrag(hdr)) {
-               __set_bit(ENTRY_TXD_BURST, &txdesc.flags);
-               __set_bit(ENTRY_TXD_MORE_FRAG, &txdesc.flags);
-       }
-
-       /*
-        * Beacons and probe responses require the tsf timestamp
-        * to be inserted into the frame.
-        */
-       if (control->queue == RT2X00_BCN_QUEUE_BEACON ||
-           is_probe_resp(frame_control))
-               __set_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc.flags);
-
-       /*
-        * Determine with what IFS priority this frame should be send.
-        * Set ifs to IFS_SIFS when the this is not the first fragment,
-        * or this fragment came after RTS/CTS.
-        */
-       if ((seq_ctrl & IEEE80211_SCTL_FRAG) > 0 ||
-           test_bit(ENTRY_TXD_RTS_FRAME, &txdesc.flags))
-               txdesc.ifs = IFS_SIFS;
-       else
-               txdesc.ifs = IFS_BACKOFF;
-
-       /*
-        * PLCP setup
-        * Length calculation depends on OFDM/CCK rate.
-        */
-       txdesc.signal = rate->plcp;
-       txdesc.service = 0x04;
-
-       length = skbdesc->data_len + FCS_LEN;
-       if (rate->flags & DEV_RATE_OFDM) {
-               __set_bit(ENTRY_TXD_OFDM_RATE, &txdesc.flags);
-
-               txdesc.length_high = (length >> 6) & 0x3f;
-               txdesc.length_low = length & 0x3f;
-       } else {
-               /*
-                * Convert length to microseconds.
-                */
-               residual = get_duration_res(length, rate->bitrate);
-               duration = get_duration(length, rate->bitrate);
-
-               if (residual != 0) {
-                       duration++;
-
-                       /*
-                        * Check if we need to set the Length Extension
-                        */
-                       if (rate->bitrate == 110 && residual <= 30)
-                               txdesc.service |= 0x80;
-               }
-
-               txdesc.length_high = (duration >> 8) & 0xff;
-               txdesc.length_low = duration & 0xff;
-
-               /*
-                * When preamble is enabled we should set the
-                * preamble bit for the signal.
-                */
-               if (rt2x00_get_rate_preamble(tx_rate))
-                       txdesc.signal |= 0x08;
-       }
-
-       rt2x00dev->ops->lib->write_tx_desc(rt2x00dev, skb, &txdesc, control);
-
-       /*
-        * Update queue entry.
-        */
-       skbdesc->entry->skb = skb;
-
-       /*
-        * The frame has been completely initialized and ready
-        * for sending to the device. The caller will push the
-        * frame to the device, but we are going to push the
-        * frame to debugfs here.
-        */
-       skbdesc->frame_type = DUMP_FRAME_TX;
-       rt2x00debug_dump_frame(rt2x00dev, skb);
-}
-EXPORT_SYMBOL_GPL(rt2x00lib_write_tx_desc);
-
 /*
  * Driver initialization handlers.
  */
@@ -976,6 +823,11 @@ static int rt2x00lib_probe_hw(struct rt2x00_dev *rt2x00dev)
        if (status)
                return status;
 
+       /*
+        * Initialize HW fields.
+        */
+       rt2x00dev->hw->queues = rt2x00dev->ops->tx_queues;
+
        /*
         * Register HW.
         */
@@ -1331,7 +1183,7 @@ int rt2x00lib_resume(struct rt2x00_dev *rt2x00dev)
         * In that case we have disabled the TX queue and should
         * now enable it again
         */
-       ieee80211_start_queues(rt2x00dev->hw);
+       ieee80211_wake_queues(rt2x00dev->hw);
 
        /*
         * During interface iteration we might have changed the