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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: Alexander Bondar <alexander.bondar@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Alexander Bondar 2013-04-23 13:32:35 +03:00 committed by Johannes Berg
parent 4270b871a2
commit 5b1dbfc3aa
2 changed files with 9 additions and 4 deletions
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6
drivers/net/wireless/iwlwifi/mvm/fw-api-power.h
View File

@ -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;

7
drivers/net/wireless/iwlwifi/mvm/power.c
View File

@ -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;