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Commit 5b1dbfc3 authored by Alexander Bondar's avatar Alexander Bondar Committed by Johannes Berg
Browse files

iwlwifi: mvm: Add number of DTIMs to skip 



New host-device API provides the ability to set the number
of DTIMs to skip. Add this parameter to the command and set
it (to a sane default value.)

Signed-off-by: default avatarAlexander Bondar <alexander.bondar@intel.com>
Reviewed-by: default avatarEmmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 4270b871

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

+3 −3
Original line number Diff line number Diff line
@@ -101,19 +101,19 @@ enum iwl_power_flags { 
 * @tx_data_timeout:    Minimum time (usec) from last Tx packet for AM to

 *			PSM transition - legacy PM

 * @sleep_interval:	not in use

 * @keep_alive_beacons:	not in use

 * @num_skip_dtim:	Number of DTIMs to skip if Skip over DTIM flag is set

 * @lprx_rssi_threshold: Signal strength up to which LP RX can be enabled.

 *			Default: 80dbm

 */

struct iwl_powertable_cmd {

	/* PM_POWER_TABLE_CMD_API_S_VER_5 */

	/* PM_POWER_TABLE_CMD_API_S_VER_6 */

	__le16 flags;

	u8 keep_alive_seconds;

	u8 debug_flags;

	__le32 rx_data_timeout;

	__le32 tx_data_timeout;

	__le32 sleep_interval[IWL_POWER_VEC_SIZE];

	__le32 keep_alive_beacons;

	__le32 num_skip_dtim;

	__le32 lprx_rssi_threshold;

} __packed;

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

+6 −1
Original line number Diff line number Diff line
@@ -91,6 +91,9 @@ static void iwl_mvm_power_log(struct iwl_mvm *mvm, 
				le32_to_cpu(cmd->tx_data_timeout));

		IWL_DEBUG_POWER(mvm, "LP RX RSSI threshold = %u\n",

				cmd->lprx_rssi_threshold);

		if (cmd->flags & cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK))

			IWL_DEBUG_POWER(mvm, "DTIMs to skip = %u\n",

					le32_to_cpu(cmd->num_skip_dtim));

	}

}
@@ -135,8 +138,10 @@ void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 


	/* Check skip over DTIM conditions */

	if (!radar_detect && (dtimper <= 10) &&

	    (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_LP))

	    (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_LP)) {

		cmd->flags |= cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);

		cmd->num_skip_dtim = cpu_to_le32(2);

	}



	/* Check that keep alive period is at least 3 * DTIM */

	dtimper_msec = dtimper * vif->bss_conf.beacon_int;