From 172c1d112a38c8721fe1d7114e2ce1e8a91451c1 Mon Sep 17 00:00:00 2001 From: Wey-Yi Guy Date: Wed, 4 Aug 2010 12:02:43 -0700 Subject: [PATCH] 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 --- drivers/net/wireless/iwlwifi/iwl-core.c | 4 ++++ drivers/net/wireless/iwlwifi/iwl-core.h | 4 ++++ drivers/net/wireless/iwlwifi/iwl-dev.h | 13 ++++++++++++- 3 files changed, 20 insertions(+), 1 deletion(-) 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 */ -- 2.20.1