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iwlwifi: add disable_11ac module param

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Add module parameter that disables VHT capabilities.

Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
This commit is contained in:
Andrei Otcheretianski 2016-02-29 13:25:48 +02:00 committed by Emmanuel Grumbach
parent 33c85ead71
commit 0d0985adf6
3 changed files with 7 additions and 1 deletions
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4
drivers/net/wireless/intel/iwlwifi/iwl-drv.c
View File

@ -1719,3 +1719,7 @@ MODULE_PARM_DESC(fw_monitor,
module_param_named(d0i3_timeout, iwlwifi_mod_params.d0i3_entry_delay,
uint, S_IRUGO);
MODULE_PARM_DESC(d0i3_timeout, "Timeout to D0i3 entry when idle (ms)");
module_param_named(disable_11ac, iwlwifi_mod_params.disable_11ac, bool,
S_IRUGO);
MODULE_PARM_DESC(disable_11ac, "Disable VHT capabilities");

2
drivers/net/wireless/intel/iwlwifi/iwl-modparams.h
View File

@ -115,6 +115,7 @@ enum iwl_amsdu_size {
* entering D0i3 (in msecs)
* @lar_disable: disable LAR (regulatory), default = 0
* @fw_monitor: allow to use firmware monitor
* @disable_11ac: disable VHT capabilities, default = false.
*/
struct iwl_mod_params {
int sw_crypto;
@ -135,6 +136,7 @@ struct iwl_mod_params {
unsigned int d0i3_entry_delay;
bool lar_disable;
bool fw_monitor;
bool disable_11ac;
};
#endif /* #__iwl_modparams_h__ */

2
drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
View File

@ -452,7 +452,7 @@ static void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg,
IEEE80211_BAND_5GHZ);
iwl_init_ht_hw_capab(cfg, data, &sband->ht_cap, IEEE80211_BAND_5GHZ,
tx_chains, rx_chains);
if (data->sku_cap_11ac_enable)
if (data->sku_cap_11ac_enable && !iwlwifi_mod_params.disable_11ac)
iwl_init_vht_hw_capab(cfg, data, &sband->vht_cap,
tx_chains, rx_chains);