Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 09b0ce1a authored by Andrei Otcheretianski's avatar Andrei Otcheretianski Committed by Emmanuel Grumbach
Browse files

iwlwifi: mvm: Introduce an API to set STA_FLG_DISABLE_TX flag 



Introduce new station flag STA_FLG_DISABLE_TX, which is modified with ADD_STA
command. This flag, when set, disables tx to the STA.
Provide an API (iwl_mvm_sta_modify_disable_tx) to modify this flag, which
should be used in channel switch and immediate quiet flows.

Signed-off-by: default avatarAndrei Otcheretianski <andrei.otcheretianski@intel.com>
Reviewed-by: default avatarJohannes Berg <johannes.berg@intel.com>
Signed-off-by: default avatarEmmanuel Grumbach <emmanuel.grumbach@intel.com>
parent 50675360

drivers/net/wireless/iwlwifi/iwl-fw.h

+2 −0
Original line number Diff line number Diff line
@@ -120,10 +120,12 @@ enum iwl_ucode_tlv_flag { 
 * enum iwl_ucode_tlv_api - ucode api

 * @IWL_UCODE_TLV_API_WOWLAN_CONFIG_TID: wowlan config includes tid field.

 * @IWL_UCODE_TLV_API_CSA_FLOW: ucode can do unbind-bind flow for CSA.

 * @IWL_UCODE_TLV_API_DISABLE_STA_TX: ucode supports tx_disable bit.

 */

enum iwl_ucode_tlv_api {

	IWL_UCODE_TLV_API_WOWLAN_CONFIG_TID	= BIT(0),

	IWL_UCODE_TLV_API_CSA_FLOW		= BIT(4),

	IWL_UCODE_TLV_API_DISABLE_STA_TX	= BIT(5),

};



/**

drivers/net/wireless/iwlwifi/mvm/fw-api-sta.h

+2 −5
Original line number Diff line number Diff line
@@ -67,7 +67,7 @@ 
 * enum iwl_sta_flags - flags for the ADD_STA host command

 * @STA_FLG_REDUCED_TX_PWR_CTRL:

 * @STA_FLG_REDUCED_TX_PWR_DATA:

 * @STA_FLG_FLG_ANT_MSK: Antenna selection

 * @STA_FLG_DISABLE_TX: set if TX should be disabled

 * @STA_FLG_PS: set if STA is in Power Save

 * @STA_FLG_INVALID: set if STA is invalid

 * @STA_FLG_DLP_EN: Direct Link Protocol is enabled
@@ -91,10 +91,7 @@ enum iwl_sta_flags { 
	STA_FLG_REDUCED_TX_PWR_CTRL	= BIT(3),

	STA_FLG_REDUCED_TX_PWR_DATA	= BIT(6),



	STA_FLG_FLG_ANT_A		= (1 << 4),

	STA_FLG_FLG_ANT_B		= (2 << 4),

	STA_FLG_FLG_ANT_MSK		= (STA_FLG_FLG_ANT_A |

					   STA_FLG_FLG_ANT_B),

	STA_FLG_DISABLE_TX		= BIT(4),



	STA_FLG_PS			= BIT(8),

	STA_FLG_DRAIN_FLOW		= BIT(12),

drivers/net/wireless/iwlwifi/mvm/sta.c

+20 −0
Original line number Diff line number Diff line
@@ -1448,3 +1448,23 @@ int iwl_mvm_rx_eosp_notif(struct iwl_mvm *mvm, 


	return 0;

}



void iwl_mvm_sta_modify_disable_tx(struct iwl_mvm *mvm,

				   struct iwl_mvm_sta *mvmsta, bool disable)

{

	struct iwl_mvm_add_sta_cmd cmd = {

		.add_modify = STA_MODE_MODIFY,

		.sta_id = mvmsta->sta_id,

		.station_flags = disable ? cpu_to_le32(STA_FLG_DISABLE_TX) : 0,

		.station_flags_msk = cpu_to_le32(STA_FLG_DISABLE_TX),

		.mac_id_n_color = cpu_to_le32(mvmsta->mac_id_n_color),

	};

	int ret;



	if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_DISABLE_STA_TX))

		return;



	ret = iwl_mvm_send_cmd_pdu(mvm, ADD_STA, CMD_ASYNC, sizeof(cmd), &cmd);

	if (ret)

		IWL_ERR(mvm, "Failed to send ADD_STA command (%d)\n", ret);

}

drivers/net/wireless/iwlwifi/mvm/sta.h

+2 −0
Original line number Diff line number Diff line
@@ -404,5 +404,7 @@ void iwl_mvm_sta_modify_sleep_tx_count(struct iwl_mvm *mvm, 
				       bool agg);

int iwl_mvm_drain_sta(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta,

		      bool drain);

void iwl_mvm_sta_modify_disable_tx(struct iwl_mvm *mvm,

				   struct iwl_mvm_sta *mvmsta, bool disable);



#endif /* __sta_h__ */