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>

2 files changed, 2 insertions, 1 deletions

diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 3bf74e236ab..14c44df584d 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -4588,6 +4588,7 @@ static int b43_wireless_init(struct ssb_device *dev)
                 BIT(NL80211_IFTYPE_ADHOC);
 
         hw->queues = b43_modparam_qos ? 4 : 1;
+        hw->max_altrates = 1;
         SET_IEEE80211_DEV(hw, dev->dev);
         if (is_valid_ether_addr(sprom->et1mac))
                 SET_IEEE80211_PERM_ADDR(hw, sprom->et1mac);
diff --git a/drivers/net/wireless/b43/xmit.c b/drivers/net/wireless/b43/xmit.c
index e0749c0074c..2fabcf8f047 100644
--- a/drivers/net/wireless/b43/xmit.c
+++ b/drivers/net/wireless/b43/xmit.c
@@ -208,7 +208,7 @@ int b43_generate_txhdr(struct b43_wldev *dev,
         txrate = ieee80211_get_tx_rate(dev->wl->hw, info);
         rate = txrate ? txrate->hw_value : B43_CCK_RATE_1MB;
         rate_ofdm = b43_is_ofdm_rate(rate);
-        fbrate = ieee80211_get_alt_retry_rate(dev->wl->hw, info) ? : txrate;
+        fbrate = ieee80211_get_alt_retry_rate(dev->wl->hw, info, 0) ? : txrate;
         rate_fb = fbrate->hw_value;
         rate_fb_ofdm = b43_is_ofdm_rate(rate_fb);