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| author | Johannes Berg <johannes.berg@intel.com> | 2015-10-06 14:07:44 +0200 |
|---|---|---|
| committer | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2015-10-25 13:45:03 +0200 |
| commit | b08dbed71a876d982e3506a97702535fd5cff48c (patch) | |
| tree | c091564a54768f6f5811f111d2f8f34279a32bda /drivers/net/wireless/iwlwifi/mvm | |
| parent | 9645edb607427a9728b9269dfded74e8c42a9d48 (diff) | |
| download | op-kernel-dev-b08dbed71a876d982e3506a97702535fd5cff48c.zip op-kernel-dev-b08dbed71a876d982e3506a97702535fd5cff48c.tar.gz | |
iwlwifi: mvm: use short timeouts in P2P low latency if supported
Those timeouts are used for AM-to-PSM transition.
We already have those pairs defined for default and WOWLAN use cases.
We expect that by using shorter threshold for low latency P2P,
e.g. for Miracast video scenario, we might save a considerable amount of power.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Avri Altman <avri.altman@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/constants.h | 3 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/power.c | 26 |
2 files changed, 22 insertions, 7 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/constants.h b/drivers/net/wireless/iwlwifi/mvm/constants.h index aa9ae1d..5c21231 100644 --- a/drivers/net/wireless/iwlwifi/mvm/constants.h +++ b/drivers/net/wireless/iwlwifi/mvm/constants.h @@ -71,6 +71,9 @@ #define IWL_MVM_DEFAULT_PS_RX_DATA_TIMEOUT (100 * USEC_PER_MSEC) #define IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT (10 * USEC_PER_MSEC) #define IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT (10 * USEC_PER_MSEC) +#define IWL_MVM_SHORT_PS_TX_DATA_TIMEOUT (2 * 1024) /* defined in TU */ +#define IWL_MVM_SHORT_PS_RX_DATA_TIMEOUT (40 * 1024) /* defined in TU */ +#define IWL_MVM_P2P_LOWLATENCY_PS_ENABLE 0 #define IWL_MVM_UAPSD_RX_DATA_TIMEOUT (50 * USEC_PER_MSEC) #define IWL_MVM_UAPSD_TX_DATA_TIMEOUT (50 * USEC_PER_MSEC) #define IWL_MVM_UAPSD_QUEUES (IEEE80211_WMM_IE_STA_QOSINFO_AC_VO |\ diff --git a/drivers/net/wireless/iwlwifi/mvm/power.c b/drivers/net/wireless/iwlwifi/mvm/power.c index 7c354fe..bed9696 100644 --- a/drivers/net/wireless/iwlwifi/mvm/power.c +++ b/drivers/net/wireless/iwlwifi/mvm/power.c @@ -377,8 +377,13 @@ static void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm, cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK); - if (!vif->bss_conf.ps || !mvmvif->pm_enabled || - (iwl_mvm_vif_low_latency(mvmvif) && vif->p2p)) + if (!vif->bss_conf.ps || !mvmvif->pm_enabled) + return; + + if (iwl_mvm_vif_low_latency(mvmvif) && vif->p2p && + (!fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_SHORT_PM_TIMEOUTS) || + !IWL_MVM_P2P_LOWLATENCY_PS_ENABLE)) return; cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK); @@ -392,16 +397,23 @@ static void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm, iwl_mvm_power_config_skip_dtim(mvm, vif, cmd, host_awake); - if (host_awake) { + if (!host_awake) { cmd->rx_data_timeout = - cpu_to_le32(IWL_MVM_DEFAULT_PS_RX_DATA_TIMEOUT); + cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT); cmd->tx_data_timeout = - cpu_to_le32(IWL_MVM_DEFAULT_PS_TX_DATA_TIMEOUT); + cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT); + } else if (iwl_mvm_vif_low_latency(mvmvif) && vif->p2p && + fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_SHORT_PM_TIMEOUTS)) { + cmd->tx_data_timeout = + cpu_to_le32(IWL_MVM_SHORT_PS_TX_DATA_TIMEOUT); + cmd->rx_data_timeout = + cpu_to_le32(IWL_MVM_SHORT_PS_RX_DATA_TIMEOUT); } else { cmd->rx_data_timeout = - cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT); + cpu_to_le32(IWL_MVM_DEFAULT_PS_RX_DATA_TIMEOUT); cmd->tx_data_timeout = - cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT); + cpu_to_le32(IWL_MVM_DEFAULT_PS_TX_DATA_TIMEOUT); } if (iwl_mvm_power_allow_uapsd(mvm, vif)) |
