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authorWey-Yi Guy <wey-yi.w.guy@intel.com>2010-08-04 12:02:43 -0700
committerJohn W. Linville <linville@tuxdriver.com>2010-08-24 16:32:02 -0400
commit172c1d112a38c8721fe1d7114e2ce1e8a91451c1 (patch)
tree253b91b42925d9c9b9d0965104b59f077d1ac1c2 /drivers
parent7ccc896f4c9d5f11e449368cf520565bf2073a9b (diff)
iwlwifi: configurable ampdu factor and density
Add ampdu factor and density to .cfg, this allow both parameters can be configure per device based. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-core.c4
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-core.h4
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-dev.h13
3 files changed, 20 insertions, 1 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 7754be4463d..346e0ad7e35 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -239,7 +239,11 @@ static void iwlcore_init_ht_hw_capab(const struct iwl_priv *priv,
ht_info->cap |= IEEE80211_HT_CAP_MAX_AMSDU;
ht_info->ampdu_factor = CFG_HT_RX_AMPDU_FACTOR_DEF;
+ if (priv->cfg->ampdu_factor)
+ ht_info->ampdu_factor = priv->cfg->ampdu_factor;
ht_info->ampdu_density = CFG_HT_MPDU_DENSITY_DEF;
+ if (priv->cfg->ampdu_density)
+ ht_info->ampdu_density = priv->cfg->ampdu_density;
ht_info->mcs.rx_mask[0] = 0xFF;
if (rx_chains_num >= 2)
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index edadca51009..3efab0e29b0 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -281,6 +281,8 @@ struct iwl_mod_params {
* @need_dc_calib: need to perform init dc calibration
* @bt_statistics: use BT version of statistics notification
* @agg_time_limit: maximum number of uSec in aggregation
+ * @ampdu_factor: Maximum A-MPDU length factor
+ * @ampdu_density: Minimum A-MPDU spacing
*
* We enable the driver to be backward compatible wrt API version. The
* driver specifies which APIs it supports (with @ucode_api_max being the
@@ -352,6 +354,8 @@ struct iwl_cfg {
const bool need_dc_calib;
const bool bt_statistics;
u16 agg_time_limit;
+ u8 ampdu_factor;
+ u8 ampdu_density;
};
/***************************
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 91d9c8b3efe..f72fbf4dc92 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -435,7 +435,13 @@ union iwl_ht_rate_supp {
};
};
-#define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3)
+#define CFG_HT_RX_AMPDU_FACTOR_8K (0x0)
+#define CFG_HT_RX_AMPDU_FACTOR_16K (0x1)
+#define CFG_HT_RX_AMPDU_FACTOR_32K (0x2)
+#define CFG_HT_RX_AMPDU_FACTOR_64K (0x3)
+#define CFG_HT_RX_AMPDU_FACTOR_DEF CFG_HT_RX_AMPDU_FACTOR_64K
+#define CFG_HT_RX_AMPDU_FACTOR_MAX CFG_HT_RX_AMPDU_FACTOR_64K
+#define CFG_HT_RX_AMPDU_FACTOR_MIN CFG_HT_RX_AMPDU_FACTOR_8K
/*
* Maximal MPDU density for TX aggregation
@@ -444,8 +450,13 @@ union iwl_ht_rate_supp {
* 6 - 8us density
* 7 - 16us density
*/
+#define CFG_HT_MPDU_DENSITY_2USEC (0x4)
#define CFG_HT_MPDU_DENSITY_4USEC (0x5)
+#define CFG_HT_MPDU_DENSITY_8USEC (0x6)
+#define CFG_HT_MPDU_DENSITY_16USEC (0x7)
#define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_4USEC
+#define CFG_HT_MPDU_DENSITY_MAX CFG_HT_MPDU_DENSITY_16USEC
+#define CFG_HT_MPDU_DENSITY_MIN (0x1)
struct iwl_ht_config {
/* self configuration data */