From: Wey-Yi Guy <wey-yi.w.guy@xxxxxxxxx>
For the new 1x1 devices, hw and uCode will support rx
antenna diversity, but we need to indicate 1x1 device to
AccessPoint to make sure it won't use MIMO.
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@xxxxxxxxx>
---
drivers/net/wireless/iwlwifi/iwl-1000.c | 8 +++++++-
drivers/net/wireless/iwlwifi/iwl-6000.c | 8 +++++++-
drivers/net/wireless/iwlwifi/iwl-core.h | 2 ++
3 files changed, 16 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/iwlwifi/iwl-1000.c b/drivers/net/wireless/iwlwifi/iwl-1000.c
index 3c983e4..94521d4 100644
--- a/drivers/net/wireless/iwlwifi/iwl-1000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-1000.c
@@ -147,7 +147,11 @@ static int iwl1000_hw_set_hw_params(struct iwl_priv *priv)
priv->hw_params.rx_wrt_ptr_reg = FH_RSCSR_CHNL0_WPTR;
priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant);
- priv->hw_params.rx_chains_num = num_of_ant(priv->cfg->valid_rx_ant);
+ if (priv->cfg->rx_with_siso_diversity)
+ priv->hw_params.rx_chains_num = 1;
+ else
+ priv->hw_params.rx_chains_num =
+ num_of_ant(priv->cfg->valid_rx_ant);
priv->hw_params.valid_tx_ant = priv->cfg->valid_tx_ant;
priv->hw_params.valid_rx_ant = priv->cfg->valid_rx_ant;
@@ -311,6 +315,7 @@ struct iwl_cfg iwl100_bgn_cfg = {
.base_params = &iwl1000_base_params,
.ht_params = &iwl1000_ht_params,
.led_mode = IWL_LED_RF_STATE,
+ .rx_with_siso_diversity = true,
};
struct iwl_cfg iwl100_bg_cfg = {
@@ -324,6 +329,7 @@ struct iwl_cfg iwl100_bg_cfg = {
.mod_params = &iwlagn_mod_params,
.base_params = &iwl1000_base_params,
.led_mode = IWL_LED_RF_STATE,
+ .rx_with_siso_diversity = true,
};
MODULE_FIRMWARE(IWL1000_MODULE_FIRMWARE(IWL1000_UCODE_API_MAX));
diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index 10a5369..8a78924 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -182,7 +182,11 @@ static int iwl6000_hw_set_hw_params(struct iwl_priv *priv)
priv->hw_params.rx_wrt_ptr_reg = FH_RSCSR_CHNL0_WPTR;
priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant);
- priv->hw_params.rx_chains_num = num_of_ant(priv->cfg->valid_rx_ant);
+ if (priv->cfg->rx_with_siso_diversity)
+ priv->hw_params.rx_chains_num = 1;
+ else
+ priv->hw_params.rx_chains_num =
+ num_of_ant(priv->cfg->valid_rx_ant);
priv->hw_params.valid_tx_ant = priv->cfg->valid_tx_ant;
priv->hw_params.valid_rx_ant = priv->cfg->valid_rx_ant;
@@ -841,6 +845,7 @@ struct iwl_cfg iwl130_bgn_cfg = {
.adv_pm = true,
/* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */
.scan_tx_antennas[IEEE80211_BAND_2GHZ] = ANT_A,
+ .rx_with_siso_diversity = true,
};
struct iwl_cfg iwl130_bg_cfg = {
@@ -859,6 +864,7 @@ struct iwl_cfg iwl130_bg_cfg = {
.adv_pm = true,
/* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */
.scan_tx_antennas[IEEE80211_BAND_2GHZ] = ANT_A,
+ .rx_with_siso_diversity = true,
};
MODULE_FIRMWARE(IWL6000_MODULE_FIRMWARE(IWL6000_UCODE_API_MAX));
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index 568920a..d0b86f5 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -364,6 +364,7 @@ struct iwl_ht_params {
* @scan_antennas: available antenna for scan operation
* @led_mode: 0=blinking, 1=On(RF On)/Off(RF Off)
* @adv_pm: advance power management
+ * @rx_with_siso_diversity: 1x1 device with rx antenna diversity
*
* We enable the driver to be backward compatible wrt API version. The
* driver specifies which APIs it supports (with @ucode_api_max being the
@@ -412,6 +413,7 @@ struct iwl_cfg {
u8 scan_tx_antennas[IEEE80211_NUM_BANDS];
enum iwl_led_mode led_mode;
const bool adv_pm;
+ const bool rx_with_siso_diversity;
};
/***************************
--
1.7.0.4
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