AA: ath5k: fix tx status processing errors (causing packet loss and throughput issues)

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Backport of r38396

git-svn-id: svn://svn.openwrt.org/openwrt/branches/attitude_adjustment@38397 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/mac80211/patches/300-pending_work.patch b/package/mac80211/patches/300-pending_work.patch
index 127e777..f3b9c71 100644 (file)
--- a/package/mac80211/patches/300-pending_work.patch
+++ b/package/mac80211/patches/300-pending_work.patch
@@ -1187,3 +1187,24 @@
                   tx->sdata->control_port_protocol == tx->skb->protocol) {
                tx->sta = sta_info_get_bss(sdata, hdr->addr1);
        }
+--- a/drivers/net/wireless/ath/ath5k/base.c
++++ b/drivers/net/wireless/ath/ath5k/base.c
+@@ -1628,15 +1628,15 @@ ath5k_tx_frame_completed(struct ath5k_hw
+       ah->stats.tx_bytes_count += skb->len;
+       info = IEEE80211_SKB_CB(skb);
+ 
++      size = min_t(int, sizeof(info->status.rates), sizeof(bf->rates));
++      memcpy(info->status.rates, bf->rates, size);
++
+       tries[0] = info->status.rates[0].count;
+       tries[1] = info->status.rates[1].count;
+       tries[2] = info->status.rates[2].count;
+ 
+       ieee80211_tx_info_clear_status(info);
+ 
+-      size = min_t(int, sizeof(info->status.rates), sizeof(bf->rates));
+-      memcpy(info->status.rates, bf->rates, size);
+-
+       for (i = 0; i < ts->ts_final_idx; i++) {
+               struct ieee80211_tx_rate *r =
+                       &info->status.rates[i];