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Commit 230ba6c5 authored by Luca Coelho's avatar Luca Coelho
Browse files

iwlwifi: add module parameter to disable 802.11ax 



Add a module parameter to disable 802.11ax features in supported
devices.  This is useful for testing or if there are interoperability
issues with some APs.

Signed-off-by: default avatarLuca Coelho <luciano.coelho@intel.com>
parent 514c3069

drivers/net/wireless/intel/iwlwifi/iwl-drv.c

+4 −0
Original line number Diff line number Diff line
@@ -1856,3 +1856,7 @@ module_param_named(remove_when_gone, 
		   0444);

MODULE_PARM_DESC(remove_when_gone,

		 "Remove dev from PCIe bus if it is deemed inaccessible (default: false)");



module_param_named(disable_11ax, iwlwifi_mod_params.disable_11ax, bool,

		   S_IRUGO);

MODULE_PARM_DESC(disable_11ax, "Disable HE capabilities (default: false)");

drivers/net/wireless/intel/iwlwifi/iwl-modparams.h

+4 −0
Original line number Diff line number Diff line
@@ -144,6 +144,10 @@ struct iwl_mod_params { 
	bool lar_disable;

	bool fw_monitor;

	bool disable_11ac;

	/**

	 * @disable_11ax: disable HE capabilities, default = false

	 */

	bool disable_11ax;

	bool remove_when_gone;

};

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

+2 −2
Original line number Diff line number Diff line
@@ -578,7 +578,7 @@ static void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg, 
	iwl_init_ht_hw_capab(cfg, data, &sband->ht_cap, NL80211_BAND_2GHZ,

			     tx_chains, rx_chains);



	if (data->sku_cap_11ax_enable)

	if (data->sku_cap_11ax_enable && !iwlwifi_mod_params.disable_11ax)

		iwl_init_he_hw_capab(sband, tx_chains, rx_chains);



	sband = &data->bands[NL80211_BAND_5GHZ];
@@ -593,7 +593,7 @@ static void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg, 
		iwl_init_vht_hw_capab(cfg, data, &sband->vht_cap,

				      tx_chains, rx_chains);



	if (data->sku_cap_11ax_enable)

	if (data->sku_cap_11ax_enable && !iwlwifi_mod_params.disable_11ax)

		iwl_init_he_hw_capab(sband, tx_chains, rx_chains);



	if (n_channels != n_used)

drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c

+2 −1
Original line number Diff line number Diff line
@@ -780,7 +780,8 @@ static int iwl_mvm_mac_ctxt_cmd_sta(struct iwl_mvm *mvm, 
	if (vif->probe_req_reg && vif->bss_conf.assoc && vif->p2p)

		cmd.filter_flags |= cpu_to_le32(MAC_FILTER_IN_PROBE_REQUEST);



	if (vif->bss_conf.assoc && vif->bss_conf.he_support)

	if (vif->bss_conf.assoc && vif->bss_conf.he_support &&

	    !iwlwifi_mod_params.disable_11ax)

		cmd.filter_flags |= cpu_to_le32(MAC_FILTER_IN_11AX);



	return iwl_mvm_mac_ctxt_send_cmd(mvm, &cmd);

drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c

+2 −1
Original line number Diff line number Diff line
@@ -2100,7 +2100,8 @@ static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, 
	 * added.

	 */

	if (changes & BSS_CHANGED_ASSOC && bss_conf->assoc) {

		if (vif->bss_conf.he_support)

		if (vif->bss_conf.he_support &&

		    !iwlwifi_mod_params.disable_11ax)

			iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->ap_sta_id);



		iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif);