mac80211: add multi-rate retry support

This patch adjusts the rate control API to allow multi-rate retry
if supported by the driver. The ieee80211_hw struct specifies how
many alternate rate selections the driver supports.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/net/wireless/rtl8180_dev.c b/drivers/net/wireless/rtl8180_dev.c
index abcd641c54be..df7e78ee8a88 100644
--- a/drivers/net/wireless/rtl8180_dev.c
+++ b/drivers/net/wireless/rtl8180_dev.c
@@ -292,8 +292,8 @@ static int rtl8180_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
         entry->plcp_len = cpu_to_le16(plcp_len);
         entry->tx_buf = cpu_to_le32(mapping);
         entry->frame_len = cpu_to_le32(skb->len);
-        entry->flags2 = info->control.alt_retry_rate_idx >= 0 ?
-                ieee80211_get_alt_retry_rate(dev, info)->bitrate << 4 : 0;
+        entry->flags2 = info->control.retries[0].rate_idx >= 0 ?
+                ieee80211_get_alt_retry_rate(dev, info, 0)->bitrate << 4 : 0;
         entry->retry_limit = info->control.retry_limit;
         entry->flags = cpu_to_le32(tx_flags);
         __skb_queue_tail(&ring->queue, skb);
@@ -855,6 +855,7 @@ static int __devinit rtl8180_probe(struct pci_dev *pdev,
         priv = dev->priv;
         priv->pdev = pdev;
 
+        dev->max_altrates = 1;
         SET_IEEE80211_DEV(dev, &pdev->dev);
         pci_set_drvdata(pdev, dev);