If the station is out of coverage of AP and it tries to probe the AP
because of the beacon loss then there is not point in pushing the
data from the higher layer. So lets suspend the data transmission
till the probing succeeds.
Signed-off-by: Rajkumar Manoharan <rmanohar@xxxxxxxxxxxxxxxx>
---
net/mac80211/mlme.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 65f1262..d0b4a32 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1239,6 +1239,8 @@ static void ieee80211_mgd_probe_ap_send(struct ieee80211_sub_if_data *sdata)
if (ifmgd->probe_send_count >= unicast_limit)
dst = NULL;
+ if (ifmgd->flags & IEEE80211_STA_BEACON_POLL)
+ netif_tx_stop_all_queues(sdata->dev);
/*
* When the hardware reports an accurate Tx ACK status, it's
* better to send a nullfunc frame instead of a probe request,
@@ -1255,6 +1257,10 @@ static void ieee80211_mgd_probe_ap_send(struct ieee80211_sub_if_data *sdata)
(u32) -1, true, false);
}
+ if (ifmgd->flags & IEEE80211_STA_BEACON_POLL) {
+ drv_flush(sdata->local, false);
+ netif_tx_wake_all_queues(sdata->dev);
+ }
ifmgd->probe_send_count++;
ifmgd->probe_timeout = jiffies + msecs_to_jiffies(probe_wait_ms);
run_again(ifmgd, ifmgd->probe_timeout);
--
1.7.8
--
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