ath9k: Fix RX packet counter

Handle chained descriptors and increment the RX counter
only for valid packets. Since this is used only by MCI,
use CONFIG_ATH9K_BTCOEX_SUPPORT.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 7 insertions, 4 deletions

diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index 2d0017cc2ee2..823b4111e282 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -1119,6 +1119,13 @@ static int ath9k_rx_skb_preprocess(struct ath_softc *sc,
                 rx_status->flag |= RX_FLAG_NO_SIGNAL_VAL;
 
         sc->rx.discard_next = false;
+
+#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
+        if (ieee80211_is_data_present(hdr->frame_control) &&
+            !ieee80211_is_qos_nullfunc(hdr->frame_control))
+                sc->rx.num_pkts++;
+#endif
+
         return 0;
 }
 
@@ -1267,10 +1274,6 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp)
                 hdr = (struct ieee80211_hdr *) (hdr_skb->data +
                                                 ah->caps.rx_status_len);
 
-                if (ieee80211_is_data_present(hdr->frame_control) &&
-                    !ieee80211_is_qos_nullfunc(hdr->frame_control))
-                        sc->rx.num_pkts++;
-
                 rxs = IEEE80211_SKB_RXCB(hdr_skb);
                 memset(rxs, 0, sizeof(struct ieee80211_rx_status));