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Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm')
-rw-r--r--drivers/net/wireless/iwlwifi/mvm/bt-coex.c21
-rw-r--r--drivers/net/wireless/iwlwifi/mvm/d3.c6
-rw-r--r--drivers/net/wireless/iwlwifi/mvm/debugfs.c27
-rw-r--r--drivers/net/wireless/iwlwifi/mvm/fw-api-power.h5
-rw-r--r--drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c56
-rw-r--r--drivers/net/wireless/iwlwifi/mvm/mvm.h8
-rw-r--r--drivers/net/wireless/iwlwifi/mvm/power.c22
-rw-r--r--drivers/net/wireless/iwlwifi/mvm/rs.c30
-rw-r--r--drivers/net/wireless/iwlwifi/mvm/tt.c22
9 files changed, 167 insertions, 30 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/bt-coex.c b/drivers/net/wireless/iwlwifi/mvm/bt-coex.c
index 9a4d94a1f90d..dbd622a3929c 100644
--- a/drivers/net/wireless/iwlwifi/mvm/bt-coex.c
+++ b/drivers/net/wireless/iwlwifi/mvm/bt-coex.c
@@ -202,6 +202,22 @@ static const __le32 iwl_concurrent_lookup[BT_COEX_LUT_SIZE] = {
cpu_to_le32(0x00000000),
};
+/* single shared antenna */
+static const __le32 iwl_single_shared_ant_lookup[BT_COEX_LUT_SIZE] = {
+ cpu_to_le32(0x40000000),
+ cpu_to_le32(0x00000000),
+ cpu_to_le32(0x44000000),
+ cpu_to_le32(0x00000000),
+ cpu_to_le32(0x40000000),
+ cpu_to_le32(0x00000000),
+ cpu_to_le32(0x44000000),
+ cpu_to_le32(0x00000000),
+ cpu_to_le32(0xC0004000),
+ cpu_to_le32(0xF0005000),
+ cpu_to_le32(0xC0004000),
+ cpu_to_le32(0xF0005000),
+};
+
int iwl_send_bt_init_conf(struct iwl_mvm *mvm)
{
struct iwl_bt_coex_cmd cmd = {
@@ -225,7 +241,10 @@ int iwl_send_bt_init_conf(struct iwl_mvm *mvm)
BT_VALID_REDUCED_TX_POWER |
BT_VALID_LUT);
- if (is_loose_coex())
+ if (mvm->cfg->bt_shared_single_ant)
+ memcpy(&cmd.decision_lut, iwl_single_shared_ant_lookup,
+ sizeof(iwl_single_shared_ant_lookup));
+ else if (is_loose_coex())
memcpy(&cmd.decision_lut, iwl_loose_lookup,
sizeof(iwl_tight_lookup));
else
diff --git a/drivers/net/wireless/iwlwifi/mvm/d3.c b/drivers/net/wireless/iwlwifi/mvm/d3.c
index 8c49db02c9c1..7e5e5c2f9f87 100644
--- a/drivers/net/wireless/iwlwifi/mvm/d3.c
+++ b/drivers/net/wireless/iwlwifi/mvm/d3.c
@@ -1026,6 +1026,12 @@ static int __iwl_mvm_suspend(struct ieee80211_hw *hw,
if (ret)
goto out;
+#ifdef CONFIG_IWLWIFI_DEBUGFS
+ if (mvm->d3_wake_sysassert)
+ d3_cfg_cmd_data.wakeup_flags |=
+ cpu_to_le32(IWL_WAKEUP_D3_CONFIG_FW_ERROR);
+#endif
+
/* must be last -- this switches firmware state */
ret = iwl_mvm_send_cmd(mvm, &d3_cfg_cmd);
if (ret)
diff --git a/drivers/net/wireless/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/iwlwifi/mvm/debugfs.c
index b7643c16201f..e56ed2a84888 100644
--- a/drivers/net/wireless/iwlwifi/mvm/debugfs.c
+++ b/drivers/net/wireless/iwlwifi/mvm/debugfs.c
@@ -344,6 +344,13 @@ static void iwl_dbgfs_update_pm(struct iwl_mvm *mvm,
case MVM_DEBUGFS_PM_DISABLE_POWER_OFF:
IWL_DEBUG_POWER(mvm, "disable_power_off=%d\n", val);
dbgfs_pm->disable_power_off = val;
+ case MVM_DEBUGFS_PM_LPRX_ENA:
+ IWL_DEBUG_POWER(mvm, "lprx %s\n", val ? "enabled" : "disabled");
+ dbgfs_pm->lprx_ena = val;
+ break;
+ case MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD:
+ IWL_DEBUG_POWER(mvm, "lprx_rssi_threshold=%d\n", val);
+ dbgfs_pm->lprx_rssi_threshold = val;
break;
}
}
@@ -387,6 +394,17 @@ static ssize_t iwl_dbgfs_pm_params_write(struct file *file,
if (sscanf(buf + 18, "%d", &val) != 1)
return -EINVAL;
param = MVM_DEBUGFS_PM_DISABLE_POWER_OFF;
+ } else if (!strncmp("lprx=", buf, 5)) {
+ if (sscanf(buf + 5, "%d", &val) != 1)
+ return -EINVAL;
+ param = MVM_DEBUGFS_PM_LPRX_ENA;
+ } else if (!strncmp("lprx_rssi_threshold=", buf, 20)) {
+ if (sscanf(buf + 20, "%d", &val) != 1)
+ return -EINVAL;
+ if (val > POWER_LPRX_RSSI_THRESHOLD_MAX || val <
+ POWER_LPRX_RSSI_THRESHOLD_MIN)
+ return -EINVAL;
+ param = MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD;
} else {
return -EINVAL;
}
@@ -421,7 +439,7 @@ static ssize_t iwl_dbgfs_pm_params_read(struct file *file,
le32_to_cpu(cmd.skip_dtim_periods));
pos += scnprintf(buf+pos, bufsz-pos, "power_scheme = %d\n",
iwlmvm_mod_params.power_scheme);
- pos += scnprintf(buf+pos, bufsz-pos, "flags = %d\n",
+ pos += scnprintf(buf+pos, bufsz-pos, "flags = 0x%x\n",
le16_to_cpu(cmd.flags));
pos += scnprintf(buf+pos, bufsz-pos, "keep_alive = %d\n",
cmd.keep_alive_seconds);
@@ -435,6 +453,10 @@ static ssize_t iwl_dbgfs_pm_params_read(struct file *file,
le32_to_cpu(cmd.rx_data_timeout));
pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout = %d\n",
le32_to_cpu(cmd.tx_data_timeout));
+ if (cmd.flags & cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK))
+ pos += scnprintf(buf+pos, bufsz-pos,
+ "lprx_rssi_threshold = %d\n",
+ le32_to_cpu(cmd.lprx_rssi_threshold));
}
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
@@ -939,6 +961,9 @@ int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir)
#ifdef CONFIG_PM_SLEEP
MVM_DEBUGFS_ADD_FILE(d3_sram, mvm->debugfs_dir, S_IRUSR | S_IWUSR);
MVM_DEBUGFS_ADD_FILE(d3_test, mvm->debugfs_dir, S_IRUSR);
+ if (!debugfs_create_bool("d3_wake_sysassert", S_IRUSR | S_IWUSR,
+ mvm->debugfs_dir, &mvm->d3_wake_sysassert))
+ goto err;
#endif
/*
diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-power.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-power.h
index d8e19290b0f3..a6da359a80c3 100644
--- a/drivers/net/wireless/iwlwifi/mvm/fw-api-power.h
+++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-power.h
@@ -66,6 +66,11 @@
/* Power Management Commands, Responses, Notifications */
+/* Radio LP RX Energy Threshold measured in dBm */
+#define POWER_LPRX_RSSI_THRESHOLD 75
+#define POWER_LPRX_RSSI_THRESHOLD_MAX 94
+#define POWER_LPRX_RSSI_THRESHOLD_MIN 30
+
/**
* enum iwl_scan_flags - masks for power table command flags
* @POWER_FLAGS_POWER_SAVE_ENA_MSK: '1' Allow to save power by turning off
diff --git a/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c
index 273b0cc197ab..94aae9c8562c 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c
@@ -865,6 +865,30 @@ int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm,
return ret;
}
+struct iwl_mvm_mac_ap_iterator_data {
+ struct iwl_mvm *mvm;
+ struct ieee80211_vif *vif;
+ u32 beacon_device_ts;
+ u16 beacon_int;
+};
+
+/* Find the beacon_device_ts and beacon_int for a managed interface */
+static void iwl_mvm_mac_ap_iterator(void *_data, u8 *mac,
+ struct ieee80211_vif *vif)
+{
+ struct iwl_mvm_mac_ap_iterator_data *data = _data;
+
+ if (vif->type != NL80211_IFTYPE_STATION || !vif->bss_conf.assoc)
+ return;
+
+ /* Station client has higher priority over P2P client*/
+ if (vif->p2p && data->beacon_device_ts)
+ return;
+
+ data->beacon_device_ts = vif->bss_conf.sync_device_ts;
+ data->beacon_int = vif->bss_conf.beacon_int;
+}
+
/*
* Fill the specific data for mac context of type AP of P2P GO
*/
@@ -874,6 +898,11 @@ static void iwl_mvm_mac_ctxt_cmd_fill_ap(struct iwl_mvm *mvm,
bool add)
{
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+ struct iwl_mvm_mac_ap_iterator_data data = {
+ .mvm = mvm,
+ .vif = vif,
+ .beacon_device_ts = 0
+ };
ctxt_ap->bi = cpu_to_le32(vif->bss_conf.beacon_int);
ctxt_ap->bi_reciprocal =
@@ -887,16 +916,33 @@ static void iwl_mvm_mac_ctxt_cmd_fill_ap(struct iwl_mvm *mvm,
ctxt_ap->mcast_qid = cpu_to_le32(vif->cab_queue);
/*
- * Only read the system time when the MAC is being added, when we
+ * Only set the beacon time when the MAC is being added, when we
* just modify the MAC then we should keep the time -- the firmware
* can otherwise have a "jumping" TBTT.
*/
- if (add)
- mvmvif->ap_beacon_time =
- iwl_read_prph(mvm->trans, DEVICE_SYSTEM_TIME_REG);
+ if (add) {
+ /*
+ * If there is a station/P2P client interface which is
+ * associated, set the AP's TBTT far enough from the station's
+ * TBTT. Otherwise, set it to the current system time
+ */
+ ieee80211_iterate_active_interfaces_atomic(
+ mvm->hw, IEEE80211_IFACE_ITER_RESUME_ALL,
+ iwl_mvm_mac_ap_iterator, &data);
+
+ if (data.beacon_device_ts) {
+ u32 rand = (prandom_u32() % (80 - 20)) + 20;
+ mvmvif->ap_beacon_time = data.beacon_device_ts +
+ ieee80211_tu_to_usec(data.beacon_int * rand /
+ 100);
+ } else {
+ mvmvif->ap_beacon_time =
+ iwl_read_prph(mvm->trans,
+ DEVICE_SYSTEM_TIME_REG);
+ }
+ }
ctxt_ap->beacon_time = cpu_to_le32(mvmvif->ap_beacon_time);
-
ctxt_ap->beacon_tsf = 0; /* unused */
/* TODO: Assume that the beacon id == mac context id */
diff --git a/drivers/net/wireless/iwlwifi/mvm/mvm.h b/drivers/net/wireless/iwlwifi/mvm/mvm.h
index c7409f159a36..d40d7db185d6 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/iwlwifi/mvm/mvm.h
@@ -73,7 +73,6 @@
#include "iwl-trans.h"
#include "iwl-notif-wait.h"
#include "iwl-eeprom-parse.h"
-#include "iwl-test.h"
#include "iwl-trans.h"
#include "sta.h"
#include "fw-api.h"
@@ -159,6 +158,8 @@ enum iwl_dbgfs_pm_mask {
MVM_DEBUGFS_PM_RX_DATA_TIMEOUT = BIT(3),
MVM_DEBUGFS_PM_TX_DATA_TIMEOUT = BIT(4),
MVM_DEBUGFS_PM_DISABLE_POWER_OFF = BIT(5),
+ MVM_DEBUGFS_PM_LPRX_ENA = BIT(6),
+ MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD = BIT(7),
};
struct iwl_dbgfs_pm {
@@ -168,6 +169,8 @@ struct iwl_dbgfs_pm {
bool skip_over_dtim;
u8 skip_dtim_periods;
bool disable_power_off;
+ bool lprx_ena;
+ u32 lprx_rssi_threshold;
int mask;
};
@@ -353,12 +356,14 @@ struct iwl_tt_params {
* @dynamic_smps: Is thermal throttling enabled dynamic_smps?
* @tx_backoff: The current thremal throttling tx backoff in uSec.
* @params: Parameters to configure the thermal throttling algorithm.
+ * @throttle: Is thermal throttling is active?
*/
struct iwl_mvm_tt_mgmt {
struct delayed_work ct_kill_exit;
bool dynamic_smps;
u32 tx_backoff;
const struct iwl_tt_params *params;
+ bool throttle;
};
struct iwl_mvm {
@@ -461,6 +466,7 @@ struct iwl_mvm {
struct wiphy_wowlan_support wowlan;
int gtk_ivlen, gtk_icvlen, ptk_ivlen, ptk_icvlen;
#ifdef CONFIG_IWLWIFI_DEBUGFS
+ u32 d3_wake_sysassert; /* must be u32 for debugfs_create_bool */
bool d3_test_active;
bool store_d3_resume_sram;
void *d3_resume_sram;
diff --git a/drivers/net/wireless/iwlwifi/mvm/power.c b/drivers/net/wireless/iwlwifi/mvm/power.c
index 3760a33ca3a4..e7ca965a89b8 100644
--- a/drivers/net/wireless/iwlwifi/mvm/power.c
+++ b/drivers/net/wireless/iwlwifi/mvm/power.c
@@ -137,11 +137,12 @@ static void iwl_mvm_power_log(struct iwl_mvm *mvm,
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);
if (cmd->flags & cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK))
IWL_DEBUG_POWER(mvm, "DTIM periods to skip = %u\n",
le32_to_cpu(cmd->skip_dtim_periods));
+ if (cmd->flags & cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK))
+ IWL_DEBUG_POWER(mvm, "LP RX RSSI threshold = %u\n",
+ le32_to_cpu(cmd->lprx_rssi_threshold));
}
}
@@ -181,6 +182,14 @@ void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK);
+ if (vif->bss_conf.beacon_rate &&
+ (vif->bss_conf.beacon_rate->bitrate == 10 ||
+ vif->bss_conf.beacon_rate->bitrate == 60)) {
+ cmd->flags |= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK);
+ cmd->lprx_rssi_threshold =
+ cpu_to_le32(POWER_LPRX_RSSI_THRESHOLD);
+ }
+
dtimper = hw->conf.ps_dtim_period ?: 1;
/* Check if radar detection is required on current channel */
@@ -236,6 +245,15 @@ void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS)
cmd->skip_dtim_periods =
cpu_to_le32(mvmvif->dbgfs_pm.skip_dtim_periods);
+ if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_LPRX_ENA) {
+ if (mvmvif->dbgfs_pm.lprx_ena)
+ cmd->flags |= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK);
+ else
+ cmd->flags &= cpu_to_le16(~POWER_FLAGS_LPRX_ENA_MSK);
+ }
+ if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD)
+ cmd->lprx_rssi_threshold =
+ cpu_to_le32(mvmvif->dbgfs_pm.lprx_rssi_threshold);
#endif /* CONFIG_IWLWIFI_DEBUGFS */
}
diff --git a/drivers/net/wireless/iwlwifi/mvm/rs.c b/drivers/net/wireless/iwlwifi/mvm/rs.c
index 31587a318f8b..b328a988c130 100644
--- a/drivers/net/wireless/iwlwifi/mvm/rs.c
+++ b/drivers/net/wireless/iwlwifi/mvm/rs.c
@@ -412,24 +412,18 @@ static int rs_tl_turn_on_agg_for_tid(struct iwl_mvm *mvm,
return ret;
}
- if ((iwlwifi_mod_params.auto_agg) || (load > IWL_AGG_LOAD_THRESHOLD)) {
- IWL_DEBUG_HT(mvm, "Starting Tx agg: STA: %pM tid: %d\n",
- sta->addr, tid);
- ret = ieee80211_start_tx_ba_session(sta, tid, 5000);
- if (ret == -EAGAIN) {
- /*
- * driver and mac80211 is out of sync
- * this might be cause by reloading firmware
- * stop the tx ba session here
- */
- IWL_ERR(mvm, "Fail start Tx agg on tid: %d\n",
- tid);
- ieee80211_stop_tx_ba_session(sta, tid);
- }
- } else {
- IWL_DEBUG_HT(mvm,
- "Aggregation not enabled for tid %d because load = %u\n",
- tid, load);
+ IWL_DEBUG_HT(mvm, "Starting Tx agg: STA: %pM tid: %d\n",
+ sta->addr, tid);
+ ret = ieee80211_start_tx_ba_session(sta, tid, 5000);
+ if (ret == -EAGAIN) {
+ /*
+ * driver and mac80211 is out of sync
+ * this might be cause by reloading firmware
+ * stop the tx ba session here
+ */
+ IWL_ERR(mvm, "Fail start Tx agg on tid: %d\n",
+ tid);
+ ieee80211_stop_tx_ba_session(sta, tid);
}
return ret;
}
diff --git a/drivers/net/wireless/iwlwifi/mvm/tt.c b/drivers/net/wireless/iwlwifi/mvm/tt.c
index a7e3b8ddf22b..d6ae7f16ac11 100644
--- a/drivers/net/wireless/iwlwifi/mvm/tt.c
+++ b/drivers/net/wireless/iwlwifi/mvm/tt.c
@@ -427,6 +427,7 @@ void iwl_mvm_tt_handler(struct iwl_mvm *mvm)
const struct iwl_tt_params *params = mvm->thermal_throttle.params;
struct iwl_mvm_tt_mgmt *tt = &mvm->thermal_throttle;
s32 temperature = mvm->temperature;
+ bool throttle_enable = false;
int i;
u32 tx_backoff;
@@ -445,6 +446,7 @@ void iwl_mvm_tt_handler(struct iwl_mvm *mvm)
ieee80211_iterate_active_interfaces_atomic(
mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
iwl_mvm_tt_smps_iterator, mvm);
+ throttle_enable = true;
} else if (tt->dynamic_smps &&
temperature <= params->dynamic_smps_exit) {
IWL_DEBUG_TEMP(mvm, "Disable dynamic SMPS\n");
@@ -456,10 +458,12 @@ void iwl_mvm_tt_handler(struct iwl_mvm *mvm)
}
if (params->support_tx_protection) {
- if (temperature >= params->tx_protection_entry)
+ if (temperature >= params->tx_protection_entry) {
iwl_mvm_tt_tx_protection(mvm, true);
- else if (temperature <= params->tx_protection_exit)
+ throttle_enable = true;
+ } else if (temperature <= params->tx_protection_exit) {
iwl_mvm_tt_tx_protection(mvm, false);
+ }
}
if (params->support_tx_backoff) {
@@ -469,9 +473,22 @@ void iwl_mvm_tt_handler(struct iwl_mvm *mvm)
break;
tx_backoff = params->tx_backoff[i].backoff;
}
+ if (tx_backoff != 0)
+ throttle_enable = true;
if (tt->tx_backoff != tx_backoff)
iwl_mvm_tt_tx_backoff(mvm, tx_backoff);
}
+
+ if (!tt->throttle && throttle_enable) {
+ IWL_WARN(mvm,
+ "Due to high temperature thermal throttling initiated\n");
+ tt->throttle = true;
+ } else if (tt->throttle && !tt->dynamic_smps && tt->tx_backoff == 0 &&
+ temperature <= params->tx_protection_exit) {
+ IWL_WARN(mvm,
+ "Temperature is back to normal thermal throttling stopped\n");
+ tt->throttle = false;
+ }
}
static const struct iwl_tt_params iwl7000_tt_params = {
@@ -502,6 +519,7 @@ void iwl_mvm_tt_initialize(struct iwl_mvm *mvm)
IWL_DEBUG_TEMP(mvm, "Initialize Thermal Throttling\n");
tt->params = &iwl7000_tt_params;
+ tt->throttle = false;
INIT_DELAYED_WORK(&tt->ct_kill_exit, check_exit_ctkill);
}