From 81fc2a332045dc1dae24f24d3e2dc4656f2cc498 Mon Sep 17 00:00:00 2001 From: Rajkumar Manoharan Date: Fri, 26 Nov 2010 23:24:33 +0530 Subject: [PATCH] Revert "ath9k_htc: Handle monitor mode properly for HTC devices" This reverts commit 446fad5a5b6be765c8ec39bfdbbc6c7aa63fbcbb. The change had broken the packet injection on monitoring mode. Signed-off-by: Rajkumar Manoharan Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/htc_drv_main.c | 64 +++++++++++++++++-- 1 file changed, 59 insertions(+), 5 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c index e9761c2c8700..8266ce1f02e3 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c @@ -184,6 +184,47 @@ err: return ret; } +static int ath9k_htc_add_monitor_interface(struct ath9k_htc_priv *priv) +{ + struct ath_common *common = ath9k_hw_common(priv->ah); + struct ath9k_htc_target_vif hvif; + int ret = 0; + u8 cmd_rsp; + + if (priv->nvifs > 0) + return -ENOBUFS; + + memset(&hvif, 0, sizeof(struct ath9k_htc_target_vif)); + memcpy(&hvif.myaddr, common->macaddr, ETH_ALEN); + + hvif.opmode = cpu_to_be32(HTC_M_MONITOR); + priv->ah->opmode = NL80211_IFTYPE_MONITOR; + hvif.index = priv->nvifs; + + WMI_CMD_BUF(WMI_VAP_CREATE_CMDID, &hvif); + if (ret) + return ret; + + priv->nvifs++; + return 0; +} + +static int ath9k_htc_remove_monitor_interface(struct ath9k_htc_priv *priv) +{ + struct ath_common *common = ath9k_hw_common(priv->ah); + struct ath9k_htc_target_vif hvif; + int ret = 0; + u8 cmd_rsp; + + memset(&hvif, 0, sizeof(struct ath9k_htc_target_vif)); + memcpy(&hvif.myaddr, common->macaddr, ETH_ALEN); + hvif.index = 0; /* Should do for now */ + WMI_CMD_BUF(WMI_VAP_REMOVE_CMDID, &hvif); + priv->nvifs--; + + return ret; +} + static int ath9k_htc_add_station(struct ath9k_htc_priv *priv, struct ieee80211_vif *vif, struct ieee80211_sta *sta) @@ -1199,6 +1240,16 @@ static void ath9k_htc_stop(struct ieee80211_hw *hw) WMI_CMD(WMI_STOP_RECV_CMDID); skb_queue_purge(&priv->tx_queue); + /* Remove monitor interface here */ + if (ah->opmode == NL80211_IFTYPE_MONITOR) { + if (ath9k_htc_remove_monitor_interface(priv)) + ath_print(common, ATH_DBG_FATAL, + "Unable to remove monitor interface\n"); + else + ath_print(common, ATH_DBG_CONFIG, + "Monitor interface removed\n"); + } + if (ah->btcoex_hw.enabled) { ath9k_hw_btcoex_disable(ah); if (ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE) @@ -1372,13 +1423,16 @@ static int ath9k_htc_config(struct ieee80211_hw *hw, u32 changed) } } - if (changed & IEEE80211_CONF_CHANGE_MONITOR) + if (changed & IEEE80211_CONF_CHANGE_MONITOR) { if (conf->flags & IEEE80211_CONF_MONITOR) { - ath_print(common, ATH_DBG_CONFIG, - "HW opmode set to Monitor mode\n"); - priv->ah->opmode = NL80211_IFTYPE_MONITOR; + if (ath9k_htc_add_monitor_interface(priv)) + ath_print(common, ATH_DBG_FATAL, + "Failed to set monitor mode\n"); + else + ath_print(common, ATH_DBG_CONFIG, + "HW opmode set to Monitor mode\n"); } - + } if (changed & IEEE80211_CONF_CHANGE_IDLE) { mutex_lock(&priv->htc_pm_lock); -- 2.20.1