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iwlwifi: control 11n capabilities through module param

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This patch adds module param 11n_disable to allow configuration of 11n
capabilities. The default value of this param is 11n enabled (value 0).

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>
This commit is contained in:
Ron Rindjunsky 2008-06-30 17:23:21 +08:00 committed by John W. Linville
parent da154e306e
commit 4977929304
4 changed files with 22 additions and 5 deletions
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8
drivers/net/wireless/iwlwifi/iwl-4965.c
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@ -2075,6 +2075,9 @@ int iwl4965_mac_ampdu_action(struct ieee80211_hw *hw,
IWL_DEBUG_HT("A-MPDU action on addr %s tid %d\n",
print_mac(mac, addr), tid);
if (!(priv->cfg->sku & IWL_SKU_N))
return -EACCES;
switch (action) {
case IEEE80211_AMPDU_RX_START:
IWL_DEBUG_HT("start Rx\n");
@ -2457,11 +2460,14 @@ MODULE_PARM_DESC(disable_hw_scan, "disable hardware scanning (default 0)");
module_param_named(queues_num, iwl4965_mod_params.num_of_queues, int, 0444);
MODULE_PARM_DESC(queues_num, "number of hw queues.");
/* QoS */
module_param_named(qos_enable, iwl4965_mod_params.enable_qos, int, 0444);
MODULE_PARM_DESC(qos_enable, "enable all QoS functionality");
/* 11n */
module_param_named(11n_disable, iwl4965_mod_params.disable_11n, int, 0444);
MODULE_PARM_DESC(11n_disable, "disable 11n functionality");
module_param_named(amsdu_size_8K, iwl4965_mod_params.amsdu_size_8K, int, 0444);
MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size");
module_param_named(fw_restart4965, iwl4965_mod_params.restart_fw, int, 0444);
MODULE_PARM_DESC(fw_restart4965, "restart firmware in case of error");

2
drivers/net/wireless/iwlwifi/iwl-5000.c
View File

@ -1540,6 +1540,8 @@ module_param_named(queues_num50, iwl50_mod_params.num_of_queues, int, 0444);
MODULE_PARM_DESC(queues_num50, "number of hw queues in 50xx series");
module_param_named(qos_enable50, iwl50_mod_params.enable_qos, int, 0444);
MODULE_PARM_DESC(qos_enable50, "enable all 50XX QoS functionality");
module_param_named(11n_disable50, iwl50_mod_params.disable_11n, int, 0444);
MODULE_PARM_DESC(11n_disable50, "disable 50XX 11n functionality");
module_param_named(amsdu_size_8K50, iwl50_mod_params.amsdu_size_8K, int, 0444);
MODULE_PARM_DESC(amsdu_size_8K50, "enable 8K amsdu size in 50XX series");
module_param_named(fw_restart50, iwl50_mod_params.restart_fw, int, 0444);

16
drivers/net/wireless/iwlwifi/iwl-core.c
View File

@ -495,7 +495,9 @@ static int iwlcore_init_geos(struct iwl_priv *priv)
sband->bitrates = &rates[IWL_FIRST_OFDM_RATE];
sband->n_bitrates = IWL_RATE_COUNT - IWL_FIRST_OFDM_RATE;
iwlcore_init_ht_hw_capab(priv, &sband->ht_info, IEEE80211_BAND_5GHZ);
if (priv->cfg->sku & IWL_SKU_N)
iwlcore_init_ht_hw_capab(priv, &sband->ht_info,
IEEE80211_BAND_5GHZ);
sband = &priv->bands[IEEE80211_BAND_2GHZ];
sband->channels = channels;
@ -503,7 +505,9 @@ static int iwlcore_init_geos(struct iwl_priv *priv)
sband->bitrates = rates;
sband->n_bitrates = IWL_RATE_COUNT;
iwlcore_init_ht_hw_capab(priv, &sband->ht_info, IEEE80211_BAND_2GHZ);
if (priv->cfg->sku & IWL_SKU_N)
iwlcore_init_ht_hw_capab(priv, &sband->ht_info,
IEEE80211_BAND_2GHZ);
priv->ieee_channels = channels;
priv->ieee_rates = rates;
@ -819,8 +823,9 @@ int iwl_setup_mac(struct iwl_priv *priv)
IEEE80211_HW_NOISE_DBM;
/* Default value; 4 EDCA QOS priorities */
hw->queues = 4;
/* Enhanced value; more queues, to support 11n aggregation */
hw->ampdu_queues = 12;
/* queues to support 11n aggregation */
if (priv->cfg->sku & IWL_SKU_N)
hw->ampdu_queues = 12;
hw->conf.beacon_int = 100;
@ -853,6 +858,9 @@ int iwl_set_hw_params(struct iwl_priv *priv)
priv->hw_params.rx_buf_size = IWL_RX_BUF_SIZE_4K;
priv->hw_params.max_pkt_size = priv->hw_params.rx_buf_size - 256;
if (priv->cfg->mod_params->disable_11n)
priv->cfg->sku &= ~IWL_SKU_N;
/* Device-specific setup */
return priv->cfg->ops->lib->set_hw_params(priv);
}

1
drivers/net/wireless/iwlwifi/iwl-core.h
View File

@ -159,6 +159,7 @@ struct iwl_mod_params {
int disable_hw_scan; /* def: 0 = use h/w scan */
int num_of_queues; /* def: HW dependent */
int enable_qos; /* def: 1 = use quality of service */
int disable_11n; /* def: 0 = disable 11n capabilities */
int amsdu_size_8K; /* def: 1 = enable 8K amsdu size */
int antenna; /* def: 0 = both antennas (use diversity) */
int restart_fw; /* def: 1 = restart firmware */