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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>
This commit is contained in:
Assaf Krauss 2008-06-30 17:23:17 +08:00 committed by John W. Linville
parent 4faeb86070
commit 2ff75b7877
2 changed files with 4 additions and 1 deletions
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2
drivers/net/wireless/iwlwifi/iwl-rx.c
View File

@ -1063,7 +1063,6 @@ static void iwl_pass_packet_to_mac80211(struct iwl_priv *priv,
return;
}
stats->flag = 0;
hdr = (struct ieee80211_hdr *)rxb->skb->data;
/* in case of HW accelerated crypto and bad decryption, drop */
@ -1197,6 +1196,7 @@ void iwl_rx_reply_rx(struct iwl_priv *priv,
rx_status.antenna = 0;
rx_status.flag = 0;
rx_status.flag |= RX_FLAG_TSFT;
if ((unlikely(rx_start->cfg_phy_cnt > 20))) {
IWL_DEBUG_DROP("dsp size out of range [0,20]: %d/n",

3
drivers/net/wireless/iwlwifi/iwl4965-base.c
View File

@ -3492,6 +3492,7 @@ static int iwl4965_mac_beacon_update(struct ieee80211_hw *hw, struct sk_buff *sk
{
struct iwl_priv *priv = hw->priv;
unsigned long flags;
__le64 timestamp;
mutex_lock(&priv->mutex);
IWL_DEBUG_MAC80211("enter\n");
@ -3516,6 +3517,8 @@ static int iwl4965_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) + (priv->beacon_int * 1000);
IWL_DEBUG_MAC80211("leave\n");
spin_unlock_irqrestore(&priv->lock, flags);