wlcore: Set rx_status boottime_ns field on rx

When receiving a beacon or probe response, we should update the
boottime_ns field which is the timestamp the frame was received at.
(cf mac80211.h)

This fixes a scanning issue with Android since it relies on this
timestamp to determine when the AP has been seen for the last time
(via the nl80211 BSS_LAST_SEEN_BOOTTIME parameter).

Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

diff --git a/drivers/net/wireless/ti/wlcore/rx.c b/drivers/net/wireless/ti/wlcore/rx.c
index 0f15696195f884f59c82e431757593362a0489ca..078a4940bc5c3bcd9a496b8afec6536c61fee5c8 100644 (file)
--- a/drivers/net/wireless/ti/wlcore/rx.c
+++ b/drivers/net/wireless/ti/wlcore/rx.c
@@ -59,7 +59,7 @@ static u32 wlcore_rx_get_align_buf_size(struct wl1271 *wl, u32 pkt_len)
 static void wl1271_rx_status(struct wl1271 *wl,
                             struct wl1271_rx_descriptor *desc,
                             struct ieee80211_rx_status *status,
-                            u8 beacon)
+                            u8 beacon, u8 probe_rsp)
 {
        memset(status, 0, sizeof(struct ieee80211_rx_status));
 
@@ -106,6 +106,9 @@ static void wl1271_rx_status(struct wl1271 *wl,
                }
        }
 
+       if (beacon || probe_rsp)
+               status->boottime_ns = ktime_get_boot_ns();
+
        if (beacon)
                wlcore_set_pending_regdomain_ch(wl, (u16)desc->channel,
                                                status->band);
@@ -191,7 +194,8 @@ static int wl1271_rx_handle_data(struct wl1271 *wl, u8 *data, u32 length,
        if (ieee80211_is_data_present(hdr->frame_control))
                is_data = 1;
 
-       wl1271_rx_status(wl, desc, IEEE80211_SKB_RXCB(skb), beacon);
+       wl1271_rx_status(wl, desc, IEEE80211_SKB_RXCB(skb), beacon,
+                        ieee80211_is_probe_resp(hdr->frame_control));
        wlcore_hw_set_rx_csum(wl, desc, skb);
 
        seq_num = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;