From: Abhijeet Kolekar Date: Sat, 28 Feb 2009 00:21:20 +0000 (-0800) Subject: iwl3945: synchronize timestamp with uCode X-Git-Tag: v2.6.30-rc1~662^2~348 X-Git-Url: http://ftp.safe.ca/?p=safe%2Fjmp%2Flinux-2.6;a=commitdiff_plain;h=7c4cbb6ee0a55885d697a5b07b6c4c8fd10d573a iwl3945: synchronize timestamp with uCode In IBSS, TSF maintains local clock counters at each station. Network Synchronization follows a completely distributed scheme where beacon frames are generated. Each station maintain its own TSF timestamp, extracted from beacon timestamps they recieved. Following patch synchronize this beacon timestamp with uCode. Signed-off-by: Abhijeet Kolekar Signed-off-by: Reinette Chatre Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index d0596e7..4dbaf04 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -4305,6 +4305,7 @@ static int iwl3945_mac_beacon_update(struct ieee80211_hw *hw, struct sk_buff *sk { struct iwl_priv *priv = hw->priv; unsigned long flags; + __le64 timestamp; IWL_DEBUG_MAC80211(priv, "enter\n"); @@ -4326,6 +4327,8 @@ static int iwl3945_mac_beacon_update(struct ieee80211_hw *hw, struct sk_buff *sk priv->ibss_beacon = skb; priv->assoc_id = 0; + timestamp = ((struct ieee80211_mgmt *)skb->data)->u.beacon.timestamp; + priv->timestamp = le64_to_cpu(timestamp); IWL_DEBUG_MAC80211(priv, "leave\n"); spin_unlock_irqrestore(&priv->lock, flags);