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path: root/drivers/net/wireless/b43legacy/dma.c
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Diffstat (limited to 'drivers/net/wireless/b43legacy/dma.c')
-rw-r--r--drivers/net/wireless/b43legacy/dma.c46
1 files changed, 32 insertions, 14 deletions
diff --git a/drivers/net/wireless/b43legacy/dma.c b/drivers/net/wireless/b43legacy/dma.c
index fb6819e40f38..308c2647f002 100644
--- a/drivers/net/wireless/b43legacy/dma.c
+++ b/drivers/net/wireless/b43legacy/dma.c
@@ -1411,6 +1411,7 @@ void b43legacy_dma_handle_txstatus(struct b43legacy_wldev *dev,
1411 struct b43legacy_dmaring *ring; 1411 struct b43legacy_dmaring *ring;
1412 struct b43legacy_dmadesc_generic *desc; 1412 struct b43legacy_dmadesc_generic *desc;
1413 struct b43legacy_dmadesc_meta *meta; 1413 struct b43legacy_dmadesc_meta *meta;
1414 int retry_limit;
1414 int slot; 1415 int slot;
1415 1416
1416 ring = parse_cookie(dev, status->cookie, &slot); 1417 ring = parse_cookie(dev, status->cookie, &slot);
@@ -1437,25 +1438,42 @@ void b43legacy_dma_handle_txstatus(struct b43legacy_wldev *dev,
1437 struct ieee80211_tx_info *info; 1438 struct ieee80211_tx_info *info;
1438 BUG_ON(!meta->skb); 1439 BUG_ON(!meta->skb);
1439 info = IEEE80211_SKB_CB(meta->skb); 1440 info = IEEE80211_SKB_CB(meta->skb);
1440 /* Call back to inform the ieee80211 subsystem about the
1441 * status of the transmission.
1442 * Some fields of txstat are already filled in dma_tx().
1443 */
1444 1441
1445 memset(&info->status, 0, sizeof(info->status)); 1442 /* preserve the confiured retry limit before clearing the status
1443 * The xmit function has overwritten the rc's value with the actual
1444 * retry limit done by the hardware */
1445 retry_limit = info->status.rates[0].count;
1446 ieee80211_tx_info_clear_status(info);
1446 1447
1447 if (status->acked) { 1448 if (status->acked)
1448 info->flags |= IEEE80211_TX_STAT_ACK; 1449 info->flags |= IEEE80211_TX_STAT_ACK;
1450
1451 if (status->rts_count > dev->wl->hw->conf.short_frame_max_tx_count) {
1452 /*
1453 * If the short retries (RTS, not data frame) have exceeded
1454 * the limit, the hw will not have tried the selected rate,
1455 * but will have used the fallback rate instead.
1456 * Don't let the rate control count attempts for the selected
1457 * rate in this case, otherwise the statistics will be off.
1458 */
1459 info->status.rates[0].count = 0;
1460 info->status.rates[1].count = status->frame_count;
1449 } else { 1461 } else {
1450 if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) 1462 if (status->frame_count > retry_limit) {
1451 info->status.excessive_retries = 1; 1463 info->status.rates[0].count = retry_limit;
1464 info->status.rates[1].count = status->frame_count -
1465 retry_limit;
1466
1467 } else {
1468 info->status.rates[0].count = status->frame_count;
1469 info->status.rates[1].idx = -1;
1470 }
1452 } 1471 }
1453 if (status->frame_count == 0) { 1472
1454 /* The frame was not transmitted at all. */ 1473 /* Call back to inform the ieee80211 subsystem about the
1455 info->status.retry_count = 0; 1474 * status of the transmission.
1456 } else 1475 * Some fields of txstat are already filled in dma_tx().
1457 info->status.retry_count = status->frame_count 1476 */
1458 - 1;
1459 ieee80211_tx_status_irqsafe(dev->wl->hw, meta->skb); 1477 ieee80211_tx_status_irqsafe(dev->wl->hw, meta->skb);
1460 /* skb is freed by ieee80211_tx_status_irqsafe() */ 1478 /* skb is freed by ieee80211_tx_status_irqsafe() */
1461 meta->skb = NULL; 1479 meta->skb = NULL;