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authorRon Rindjunsky <ron.rindjunsky@intel.com>2008-09-03 11:18:46 +0800
committerJohn W. Linville <linville@tuxdriver.com>2008-09-03 15:10:37 -0400
commit4834c73f055b92f719a23e29e275559fa8c29513 (patch)
tree6c7bd42feb03341d29d0d47e76afe4e48cd0e004
parent545597036caefd4b438731abaca902efe004b1b4 (diff)
iwlwifi: fix station mimo power save values
This patch fixes the wrong use MIMO power save values. Our TX was configured with our MIMO power save values instead of peer's MIMO power save values, this may affect connectivity. The peer STA/AP may not sense our traffic at all as it doesn't have all RX chains opened. Signed-off-by: Ron Rindjunsky <ron.rindjunsky@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>
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn-rs.c3
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn.c2
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-dev.h1
3 files changed, 2 insertions, 4 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
index 754fef5b592..90a2b6dee7c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
@@ -1153,7 +1153,8 @@ static int rs_switch_to_mimo2(struct iwl_priv *priv,
!sta->ht_info.ht_supported)
return -1;
- if (priv->current_ht_config.tx_mimo_ps_mode == IWL_MIMO_PS_STATIC)
+ if (((sta->ht_info.cap & IEEE80211_HT_CAP_MIMO_PS) >> 2)
+ == IWL_MIMO_PS_STATIC)
return -1;
/* Need both Tx chains/antennas to support MIMO */
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index a5feb0cc982..34928c8ed20 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -586,8 +586,6 @@ static void iwl4965_ht_conf(struct iwl_priv *priv,
iwl_conf->supported_chan_width = 0;
}
- iwl_conf->tx_mimo_ps_mode =
- (u8)((ht_conf->cap & IEEE80211_HT_CAP_MIMO_PS) >> 2);
memcpy(iwl_conf->supp_mcs_set, ht_conf->supp_mcs_set, 16);
iwl_conf->control_channel = ht_bss_conf->primary_channel;
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index c19db438306..cdfb343c7ec 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -412,7 +412,6 @@ struct iwl_ht_info {
/* self configuration data */
u8 is_ht;
u8 supported_chan_width;
- u16 tx_mimo_ps_mode;
u8 is_green_field;
u8 sgf; /* HT_SHORT_GI_* short guard interval */
u8 max_amsdu_size;