iwlwifi: adjust TSF in IBSS
This patch makes the driver, in IBSS mode, comply with TSF requirements
in 2 ways:
1. It notifies mac80211 of its TSF timestamp.
2. It uses the given timestamp in the beacon template to update the ucode.
Signed-off-by: Assaf Krauss <assaf.krauss@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl4965-base.c b/drivers/net/wireless/iwlwifi/iwl4965-base.c
index 1b2d9f1..d1bf599 100644
--- a/drivers/net/wireless/iwlwifi/iwl4965-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl4965-base.c
@@ -3492,6 +3492,7 @@
{
struct iwl_priv *priv = hw->priv;
unsigned long flags;
+ __le64 timestamp;
mutex_lock(&priv->mutex);
IWL_DEBUG_MAC80211("enter\n");
@@ -3516,6 +3517,8 @@
priv->ibss_beacon = skb;
priv->assoc_id = 0;
+ timestamp = ((struct ieee80211_mgmt *)skb->data)->u.beacon.timestamp;
+ priv->timestamp = le64_to_cpu(timestamp) + (priv->beacon_int * 1000);
IWL_DEBUG_MAC80211("leave\n");
spin_unlock_irqrestore(&priv->lock, flags);