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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>
This commit is contained in:
Wey-Yi Guy 2010-08-04 12:02:43 -07:00 committed by John W. Linville
parent 7ccc896f4c
commit 172c1d112a
3 changed files with 20 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/net/wireless/iwlwifi/iwl-core.c
View File

@ -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)

4
drivers/net/wireless/iwlwifi/iwl-core.h
View File

@ -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;
};
/***************************

13
drivers/net/wireless/iwlwifi/iwl-dev.h
View File

@ -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 */