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path: root/drivers/net/wireless/iwlwifi/mvm/power.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm/power.c')
-rw-r--r--drivers/net/wireless/iwlwifi/mvm/power.c117
1 files changed, 45 insertions, 72 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/power.c b/drivers/net/wireless/iwlwifi/mvm/power.c
index 5a92a497879..ed77e437aac 100644
--- a/drivers/net/wireless/iwlwifi/mvm/power.c
+++ b/drivers/net/wireless/iwlwifi/mvm/power.c
@@ -22,7 +22,7 @@
* USA
*
* The full GNU General Public License is included in this distribution
- * in the file called LICENSE.GPL.
+ * in the file called COPYING.
*
* Contact Information:
* Intel Linux Wireless <ilw@linux.intel.com>
@@ -75,23 +75,48 @@
#define POWER_KEEP_ALIVE_PERIOD_SEC 25
-static void iwl_power_build_cmd(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
- struct iwl_powertable_cmd *cmd)
+static void iwl_mvm_power_log(struct iwl_mvm *mvm,
+ struct iwl_powertable_cmd *cmd)
+{
+ IWL_DEBUG_POWER(mvm,
+ "Sending power table command for power level %d, flags = 0x%X\n",
+ iwlmvm_mod_params.power_scheme,
+ le16_to_cpu(cmd->flags));
+ IWL_DEBUG_POWER(mvm, "Keep alive = %u sec\n", cmd->keep_alive_seconds);
+
+ if (cmd->flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK)) {
+ IWL_DEBUG_POWER(mvm, "Rx timeout = %u usec\n",
+ le32_to_cpu(cmd->rx_data_timeout));
+ IWL_DEBUG_POWER(mvm, "Tx timeout = %u usec\n",
+ le32_to_cpu(cmd->tx_data_timeout));
+ IWL_DEBUG_POWER(mvm, "LP RX RSSI threshold = %u\n",
+ cmd->lprx_rssi_threshold);
+ }
+}
+
+void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
+ struct iwl_powertable_cmd *cmd)
{
struct ieee80211_hw *hw = mvm->hw;
- struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
struct ieee80211_chanctx_conf *chanctx_conf;
struct ieee80211_channel *chan;
int dtimper, dtimper_msec;
int keep_alive;
bool radar_detect = false;
- cmd->id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id,
- mvmvif->color));
- cmd->action = cpu_to_le32(FW_CTXT_ACTION_MODIFY);
+ /*
+ * Regardless of power management state the driver must set
+ * keep alive period. FW will use it for sending keep alive NDPs
+ * immediately after association.
+ */
+ cmd->keep_alive_seconds = POWER_KEEP_ALIVE_PERIOD_SEC;
- if ((!vif->bss_conf.ps) ||
- (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM))
+ if (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM)
+ return;
+
+ cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK);
+
+ if (!vif->bss_conf.ps)
return;
cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK);
@@ -110,63 +135,29 @@ static void iwl_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)) {
- cmd->flags |= cpu_to_le16(POWER_FLAGS_SLEEP_OVER_DTIM_MSK);
- cmd->num_skip_dtim = 2;
- }
+ (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_LP))
+ cmd->flags |= cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
/* Check that keep alive period is at least 3 * DTIM */
dtimper_msec = dtimper * vif->bss_conf.beacon_int;
keep_alive = max_t(int, 3 * dtimper_msec,
- MSEC_PER_SEC * POWER_KEEP_ALIVE_PERIOD_SEC);
+ MSEC_PER_SEC * cmd->keep_alive_seconds);
keep_alive = DIV_ROUND_UP(keep_alive, MSEC_PER_SEC);
+ cmd->keep_alive_seconds = keep_alive;
- cmd->keep_alive_seconds = cpu_to_le16(keep_alive);
-
- if (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_LP) {
- /* TODO: Also for D3 (device sleep / WoWLAN) */
- cmd->rx_data_timeout = cpu_to_le32(10);
- cmd->tx_data_timeout = cpu_to_le32(10);
- } else {
- cmd->rx_data_timeout = cpu_to_le32(50);
- cmd->tx_data_timeout = cpu_to_le32(50);
- }
+ cmd->rx_data_timeout = cpu_to_le32(100 * USEC_PER_MSEC);
+ cmd->tx_data_timeout = cpu_to_le32(100 * USEC_PER_MSEC);
}
int iwl_mvm_power_update_mode(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
{
struct iwl_powertable_cmd cmd = {};
- if (!iwlwifi_mod_params.power_save) {
- IWL_DEBUG_POWER(mvm, "Power management is not allowed\n");
- return 0;
- }
-
if (vif->type != NL80211_IFTYPE_STATION || vif->p2p)
return 0;
- iwl_power_build_cmd(mvm, vif, &cmd);
-
- IWL_DEBUG_POWER(mvm,
- "Sending power table command on mac id 0x%X for power level %d, flags = 0x%X\n",
- cmd.id_and_color, iwlmvm_mod_params.power_scheme,
- le16_to_cpu(cmd.flags));
-
- if (cmd.flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK)) {
- IWL_DEBUG_POWER(mvm, "Keep alive = %u sec\n",
- le16_to_cpu(cmd.keep_alive_seconds));
- IWL_DEBUG_POWER(mvm, "Rx timeout = %u usec\n",
- le32_to_cpu(cmd.rx_data_timeout));
- IWL_DEBUG_POWER(mvm, "Tx timeout = %u usec\n",
- le32_to_cpu(cmd.tx_data_timeout));
- IWL_DEBUG_POWER(mvm, "Rx timeout (uAPSD) = %u usec\n",
- le32_to_cpu(cmd.rx_data_timeout_uapsd));
- IWL_DEBUG_POWER(mvm, "Tx timeout = %u usec\n",
- le32_to_cpu(cmd.tx_data_timeout_uapsd));
- IWL_DEBUG_POWER(mvm, "LP RX RSSI threshold = %u\n",
- cmd.lprx_rssi_threshold);
- IWL_DEBUG_POWER(mvm, "DTIMs to skip = %u\n", cmd.num_skip_dtim);
- }
+ iwl_mvm_power_build_cmd(mvm, vif, &cmd);
+ iwl_mvm_power_log(mvm, &cmd);
return iwl_mvm_send_cmd_pdu(mvm, POWER_TABLE_CMD, CMD_SYNC,
sizeof(cmd), &cmd);
@@ -175,33 +166,15 @@ int iwl_mvm_power_update_mode(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
int iwl_mvm_power_disable(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
{
struct iwl_powertable_cmd cmd = {};
- struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
-
- if (!iwlwifi_mod_params.power_save) {
- IWL_DEBUG_POWER(mvm, "Power management is not allowed\n");
- return 0;
- }
if (vif->type != NL80211_IFTYPE_STATION || vif->p2p)
return 0;
- cmd.id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id,
- mvmvif->color));
- cmd.action = cpu_to_le32(FW_CTXT_ACTION_MODIFY);
+ if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM)
+ cmd.flags |= cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK);
- IWL_DEBUG_POWER(mvm,
- "Sending power table command on mac id 0x%X for power level %d, flags = 0x%X\n",
- cmd.id_and_color, iwlmvm_mod_params.power_scheme,
- le16_to_cpu(cmd.flags));
+ iwl_mvm_power_log(mvm, &cmd);
return iwl_mvm_send_cmd_pdu(mvm, POWER_TABLE_CMD, CMD_ASYNC,
sizeof(cmd), &cmd);
}
-
-#ifdef CONFIG_IWLWIFI_DEBUGFS
-void iwl_power_get_params(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
- struct iwl_powertable_cmd *cmd)
-{
- iwl_power_build_cmd(mvm, vif, cmd);
-}
-#endif /* CONFIG_IWLWIFI_DEBUGFS */
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-11-04 11:10:17 +0000