From bdbb612fb2c49111d393a69a08b0328e51913c17 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Fri, 30 Apr 2010 13:53:37 -0700 Subject: [PATCH] iwlwifi: use iwl_sta_id() for TKIP key update With the station ID being stored in the station struct, which mac80211 gives us for TKIP phase 1 key updates, we can also remove the use of iwl_find_station() in that code path. Signed-off-by: Johannes Berg Signed-off-by: Reinette Chatre --- drivers/net/wireless/iwlwifi/iwl-agn.c | 3 +-- drivers/net/wireless/iwlwifi/iwl-sta.c | 21 +++++++++++++-------- drivers/net/wireless/iwlwifi/iwl-sta.h | 2 +- 3 files changed, 15 insertions(+), 11 deletions(-) diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index 3265b637db2e..dd26965e75f3 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -3057,8 +3057,7 @@ static void iwl_mac_update_tkip_key(struct ieee80211_hw *hw, struct iwl_priv *priv = hw->priv; IWL_DEBUG_MAC80211(priv, "enter\n"); - iwl_update_tkip_key(priv, keyconf, - sta ? sta->addr : iwl_bcast_addr, + iwl_update_tkip_key(priv, keyconf, sta, iv32, phase1key); IWL_DEBUG_MAC80211(priv, "leave\n"); diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.c b/drivers/net/wireless/iwlwifi/iwl-sta.c index 8fec0263f016..b8053e7f16ac 100644 --- a/drivers/net/wireless/iwlwifi/iwl-sta.c +++ b/drivers/net/wireless/iwlwifi/iwl-sta.c @@ -1012,18 +1012,23 @@ static int iwl_set_tkip_dynamic_key_info(struct iwl_priv *priv, void iwl_update_tkip_key(struct iwl_priv *priv, struct ieee80211_key_conf *keyconf, - const u8 *addr, u32 iv32, u16 *phase1key) + struct ieee80211_sta *sta, u32 iv32, u16 *phase1key) { - u8 sta_id = IWL_INVALID_STATION; + u8 sta_id; unsigned long flags; int i; - sta_id = iwl_find_station(priv, addr); - if (sta_id == IWL_INVALID_STATION) { - IWL_DEBUG_MAC80211(priv, "leave - %pM not in station map.\n", - addr); - return; - } + if (sta) { + sta_id = iwl_sta_id(sta); + + if (sta_id == IWL_INVALID_STATION) { + IWL_DEBUG_MAC80211(priv, "leave - %pM not initialised.\n", + sta->addr); + return; + } + } else + sta_id = priv->hw_params.bcast_sta_id; + if (iwl_scan_cancel(priv)) { /* cancel scan failed, just live w/ bad key and rely diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.h b/drivers/net/wireless/iwlwifi/iwl-sta.h index d0ab3f8f7c0f..08d4bc1363f1 100644 --- a/drivers/net/wireless/iwlwifi/iwl-sta.h +++ b/drivers/net/wireless/iwlwifi/iwl-sta.h @@ -60,7 +60,7 @@ int iwl_remove_dynamic_key(struct iwl_priv *priv, struct ieee80211_key_conf *key, u8 sta_id); void iwl_update_tkip_key(struct iwl_priv *priv, struct ieee80211_key_conf *keyconf, - const u8 *addr, u32 iv32, u16 *phase1key); + struct ieee80211_sta *sta, u32 iv32, u16 *phase1key); void iwl_restore_stations(struct iwl_priv *priv); void iwl_clear_ucode_stations(struct iwl_priv *priv); -- 2.34.1