From: Abhishek Naik <abhishek.naik@xxxxxxxxx>
Add debugfs file in mvm to retrieve TAS status per LMAC,
TAS block list, current mcc, OEM name and OEM allowed list.
Signed-off-by: Abhishek Naik <abhishek.naik@xxxxxxxxx>
Signed-off-by: Gregory Greenman <gregory.greenman@xxxxxxxxx>
---
.../net/wireless/intel/iwlwifi/fw/api/debug.h | 96 +++++++++
.../net/wireless/intel/iwlwifi/mvm/debugfs.c | 190 +++++++++++++++++-
drivers/net/wireless/intel/iwlwifi/mvm/fw.c | 10 +
drivers/net/wireless/intel/iwlwifi/mvm/mvm.h | 2 +-
4 files changed, 296 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/debug.h b/drivers/net/wireless/intel/iwlwifi/fw/api/debug.h
index 0c555089e05f..8fef38139bf6 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/api/debug.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/api/debug.h
@@ -42,6 +42,12 @@ enum iwl_debug_cmds {
* &struct iwl_buf_alloc_cmd
*/
BUFFER_ALLOCATION = 0x8,
+ /**
+ * @GET_TAS_STATUS:
+ * sends command to fw to get TAS status
+ * the response is &struct iwl_mvm_tas_status_resp
+ */
+ GET_TAS_STATUS = 0xA,
/**
* @FW_DUMP_COMPLETE_CMD:
* sends command to fw once dump collection completed
@@ -421,4 +427,94 @@ struct iwl_dbg_dump_complete_cmd {
__le32 tp_data;
} __packed; /* FW_DUMP_COMPLETE_CMD_API_S_VER_1 */
+#define TAS_LMAC_BAND_HB 0
+#define TAS_LMAC_BAND_LB 1
+#define TAS_LMAC_BAND_UHB 2
+#define TAS_LMAC_BAND_INVALID 3
+
+/**
+ * struct iwl_mvm_tas_status_per_mac - tas status per lmac
+ * @static_status: tas statically enabled or disabled per lmac - TRUE/FALSE
+ * @static_dis_reason: TAS static disable reason, uses
+ * &enum iwl_mvm_tas_statically_disabled_reason
+ * @dynamic_status: Current TAS status. uses
+ * &enum iwl_mvm_tas_dyna_status
+ * @near_disconnection: is TAS currently near disconnection per lmac? - TRUE/FALSE
+ * @max_reg_pwr_limit: Regulatory power limits in dBm
+ * @sar_limit: SAR limits per lmac in dBm
+ * @band: Band per lmac
+ * @reserved: reserved
+ */
+struct iwl_mvm_tas_status_per_mac {
+ u8 static_status;
+ u8 static_dis_reason;
+ u8 dynamic_status;
+ u8 near_disconnection;
+ __le16 max_reg_pwr_limit;
+ __le16 sar_limit;
+ u8 band;
+ u8 reserved[3];
+} __packed; /*DEBUG_GET_TAS_STATUS_PER_MAC_S_VER_1*/
+
+/**
+ * struct iwl_mvm_tas_status_resp - Response to GET_TAS_STATUS
+ * @tas_fw_version: TAS FW version
+ * @is_uhb_for_usa_enable: is UHB enabled in USA? - TRUE/FALSE
+ * @curr_mcc: current mcc
+ * @block_list: country block list
+ * @tas_status_mac: TAS status per lmac, uses
+ * &struct iwl_mvm_tas_status_per_mac
+ * @in_dual_radio: is TAS in dual radio? - TRUE/FALSE
+ * @reserved: reserved
+ */
+struct iwl_mvm_tas_status_resp {
+ u8 tas_fw_version;
+ u8 is_uhb_for_usa_enable;
+ __le16 curr_mcc;
+ __le16 block_list[16];
+ struct iwl_mvm_tas_status_per_mac tas_status_mac[2];
+ u8 in_dual_radio;
+ u8 reserved[3];
+} __packed; /*DEBUG_GET_TAS_STATUS_RSP_API_S_VER_3*/
+
+/**
+ * enum iwl_mvm_tas_dyna_status - TAS current running status
+ * @TAS_DYNA_INACTIVE: TAS status is inactive
+ * @TAS_DYNA_INACTIVE_MVM_MODE: TAS is disabled due because FW is in MVM mode
+ * or is in softap mode.
+ * @TAS_DYNA_INACTIVE_TRIGGER_MODE: TAS is disabled because FW is in
+ * multi user trigger mode
+ * @TAS_DYNA_INACTIVE_BLOCK_LISTED: TAS is disabled because current mcc
+ * is blocklisted mcc
+ * @TAS_DYNA_INACTIVE_UHB_NON_US: TAS is disabled because current band is UHB
+ * and current mcc is USA
+ * @TAS_DYNA_ACTIVE: TAS is currently active
+ * @TAS_DYNA_STATUS_MAX: TAS status max value
+ */
+enum iwl_mvm_tas_dyna_status {
+ TAS_DYNA_INACTIVE,
+ TAS_DYNA_INACTIVE_MVM_MODE,
+ TAS_DYNA_INACTIVE_TRIGGER_MODE,
+ TAS_DYNA_INACTIVE_BLOCK_LISTED,
+ TAS_DYNA_INACTIVE_UHB_NON_US,
+ TAS_DYNA_ACTIVE,
+
+ TAS_DYNA_STATUS_MAX,
+}; /*_TAS_DYNA_STATUS_E*/
+
+/**
+ * enum iwl_mvm_tas_statically_disabled_reason - TAS statically disabled reason
+ * @TAS_DISABLED_DUE_TO_BIOS: TAS is disabled because TAS is disabled in BIOS
+ * @TAS_DISABLED_DUE_TO_SAR_6DBM: TAS is disabled because SAR limit is less than 6 Dbm
+ * @TAS_DISABLED_REASON_INVALID: TAS disable reason is invalid
+ * @TAS_DISABLED_REASON_MAX: TAS disable reason max value
+ */
+enum iwl_mvm_tas_statically_disabled_reason {
+ TAS_DISABLED_DUE_TO_BIOS,
+ TAS_DISABLED_DUE_TO_SAR_6DBM,
+ TAS_DISABLED_REASON_INVALID,
+
+ TAS_DISABLED_REASON_MAX,
+}; /*_TAS_STATICALLY_DISABLED_REASON_E*/
+
#endif /* __iwl_fw_api_debug_h__ */
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
index 5790435dc69e..2a6f42f07c9e 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/*
- * Copyright (C) 2012-2014, 2018-2022 Intel Corporation
+ * Copyright (C) 2012-2014, 2018-2023 Intel Corporation
* Copyright (C) 2013-2015 Intel Mobile Communications GmbH
* Copyright (C) 2016-2017 Intel Deutschland GmbH
*/
@@ -8,6 +8,7 @@
#include <linux/err.h>
#include <linux/ieee80211.h>
#include <linux/netdevice.h>
+#include <linux/dmi.h>
#include "mvm.h"
#include "sta.h"
@@ -15,6 +16,7 @@
#include "debugfs.h"
#include "iwl-modparams.h"
#include "fw/error-dump.h"
+#include "fw/api/phy-ctxt.h"
static ssize_t iwl_dbgfs_ctdp_budget_read(struct file *file,
char __user *user_buf,
@@ -714,6 +716,190 @@ static ssize_t iwl_dbgfs_fw_ver_read(struct file *file, char __user *user_buf,
return ret;
}
+static ssize_t iwl_dbgfs_tas_get_status_read(struct file *file,
+ char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct iwl_mvm *mvm = file->private_data;
+ struct iwl_mvm_tas_status_resp tas_rsp;
+ struct iwl_mvm_tas_status_resp *rsp = &tas_rsp;
+ static const size_t bufsz = 1024;
+ char *buff, *pos, *endpos;
+ const char * const tas_dis_reason[TAS_DISABLED_REASON_MAX] = {
+ [TAS_DISABLED_DUE_TO_BIOS] =
+ "Due To BIOS",
+ [TAS_DISABLED_DUE_TO_SAR_6DBM] =
+ "Due To SAR Limit Less Than 6 dBm",
+ [TAS_DISABLED_REASON_INVALID] =
+ "N/A",
+ };
+ const char * const tas_current_status[TAS_DYNA_STATUS_MAX] = {
+ [TAS_DYNA_INACTIVE] = "INACTIVE",
+ [TAS_DYNA_INACTIVE_MVM_MODE] =
+ "inactive due to mvm mode",
+ [TAS_DYNA_INACTIVE_TRIGGER_MODE] =
+ "inactive due to trigger mode",
+ [TAS_DYNA_INACTIVE_BLOCK_LISTED] =
+ "inactive due to block listed",
+ [TAS_DYNA_INACTIVE_UHB_NON_US] =
+ "inactive due to uhb non US",
+ [TAS_DYNA_ACTIVE] = "ACTIVE",
+ };
+ struct iwl_host_cmd hcmd = {
+ .id = WIDE_ID(DEBUG_GROUP, GET_TAS_STATUS),
+ .flags = CMD_WANT_SKB,
+ .len = { 0, },
+ .data = { NULL, },
+ };
+ int ret, i, tmp;
+ bool tas_enabled = false;
+ unsigned long dyn_status;
+
+ if (!iwl_mvm_firmware_running(mvm))
+ return -ENODEV;
+
+ mutex_lock(&mvm->mutex);
+ ret = iwl_mvm_send_cmd(mvm, &hcmd);
+ mutex_unlock(&mvm->mutex);
+ if (ret < 0)
+ return ret;
+
+ buff = kzalloc(bufsz, GFP_KERNEL);
+ if (!buff)
+ return -ENOMEM;
+ pos = buff;
+ endpos = pos + bufsz;
+
+ rsp = (void *)hcmd.resp_pkt->data;
+
+ pos += scnprintf(pos, endpos - pos, "TAS Conclusion:\n");
+ for (i = 0; i < rsp->in_dual_radio + 1; i++) {
+ if (rsp->tas_status_mac[i].band != TAS_LMAC_BAND_INVALID &&
+ rsp->tas_status_mac[i].dynamic_status & BIT(TAS_DYNA_ACTIVE)) {
+ pos += scnprintf(pos, endpos - pos, "\tON for ");
+ switch (rsp->tas_status_mac[i].band) {
+ case TAS_LMAC_BAND_HB:
+ pos += scnprintf(pos, endpos - pos, "HB\n");
+ break;
+ case TAS_LMAC_BAND_LB:
+ pos += scnprintf(pos, endpos - pos, "LB\n");
+ break;
+ case TAS_LMAC_BAND_UHB:
+ pos += scnprintf(pos, endpos - pos, "UHB\n");
+ break;
+ case TAS_LMAC_BAND_INVALID:
+ pos += scnprintf(pos, endpos - pos,
+ "INVALID BAND\n");
+ break;
+ default:
+ pos += scnprintf(pos, endpos - pos,
+ "Unsupported band (%d)\n",
+ rsp->tas_status_mac[i].band);
+ goto out;
+ }
+ tas_enabled = true;
+ }
+ }
+ if (!tas_enabled)
+ pos += scnprintf(pos, endpos - pos, "\tOFF\n");
+
+ pos += scnprintf(pos, endpos - pos, "TAS Report\n");
+ pos += scnprintf(pos, endpos - pos, "TAS FW version: %d\n",
+ rsp->tas_fw_version);
+ pos += scnprintf(pos, endpos - pos, "Is UHB enabled for USA?: %s\n",
+ rsp->is_uhb_for_usa_enable ? "True" : "False");
+ pos += scnprintf(pos, endpos - pos, "Current MCC: 0x%x\n",
+ le16_to_cpu(rsp->curr_mcc));
+
+ pos += scnprintf(pos, endpos - pos, "Block list entries:");
+ for (i = 0; i < APCI_WTAS_BLACK_LIST_MAX; i++)
+ pos += scnprintf(pos, endpos - pos, " 0x%x",
+ le16_to_cpu(rsp->block_list[i]));
+
+ pos += scnprintf(pos, endpos - pos, "\nOEM name: %s\n",
+ dmi_get_system_info(DMI_SYS_VENDOR));
+ pos += scnprintf(pos, endpos - pos, "\tVendor In Approved List: %s\n",
+ iwl_mvm_is_vendor_in_approved_list() ? "YES" : "NO");
+ pos += scnprintf(pos, endpos - pos,
+ "\tDo TAS Support Dual Radio?: %s\n",
+ rsp->in_dual_radio ? "TRUE" : "FALSE");
+
+ for (i = 0; i < rsp->in_dual_radio + 1; i++) {
+ if (rsp->tas_status_mac[i].static_status == 0) {
+ pos += scnprintf(pos, endpos - pos,
+ "Static status: disabled\n");
+ pos += scnprintf(pos, endpos - pos,
+ "Static disabled reason: %s (0)\n",
+ tas_dis_reason[0]);
+ goto out;
+ }
+
+ pos += scnprintf(pos, endpos - pos, "TAS status for ");
+ switch (rsp->tas_status_mac[i].band) {
+ case TAS_LMAC_BAND_HB:
+ pos += scnprintf(pos, endpos - pos, "High band\n");
+ break;
+ case TAS_LMAC_BAND_LB:
+ pos += scnprintf(pos, endpos - pos, "Low band\n");
+ break;
+ case TAS_LMAC_BAND_UHB:
+ pos += scnprintf(pos, endpos - pos,
+ "Ultra high band\n");
+ break;
+ case TAS_LMAC_BAND_INVALID:
+ pos += scnprintf(pos, endpos - pos,
+ "INVALID band\n");
+ break;
+ default:
+ pos += scnprintf(pos, endpos - pos,
+ "Unsupported band (%d)\n",
+ rsp->tas_status_mac[i].band);
+ goto out;
+ }
+ pos += scnprintf(pos, endpos - pos, "Static status: %sabled\n",
+ rsp->tas_status_mac[i].static_status ?
+ "En" : "Dis");
+ pos += scnprintf(pos, endpos - pos,
+ "\tStatic Disabled Reason: ");
+ if (rsp->tas_status_mac[i].static_dis_reason < TAS_DISABLED_REASON_MAX)
+ pos += scnprintf(pos, endpos - pos, "%s (%d)\n",
+ tas_dis_reason[rsp->tas_status_mac[i].static_dis_reason],
+ rsp->tas_status_mac[i].static_dis_reason);
+ else
+ pos += scnprintf(pos, endpos - pos,
+ "unsupported value (%d)\n",
+ rsp->tas_status_mac[i].static_dis_reason);
+
+ pos += scnprintf(pos, endpos - pos, "Dynamic status:\n");
+ dyn_status = (rsp->tas_status_mac[i].dynamic_status);
+ for_each_set_bit(tmp, &dyn_status, sizeof(dyn_status)) {
+ if (tmp >= 0 && tmp < TAS_DYNA_STATUS_MAX)
+ pos += scnprintf(pos, endpos - pos,
+ "\t%s (%d)\n",
+ tas_current_status[tmp], tmp);
+ }
+
+ pos += scnprintf(pos, endpos - pos,
+ "Is near disconnection?: %s\n",
+ rsp->tas_status_mac[i].near_disconnection ?
+ "True" : "False");
+ tmp = le16_to_cpu(rsp->tas_status_mac[i].max_reg_pwr_limit);
+ pos += scnprintf(pos, endpos - pos,
+ "Max. regulatory pwr limit (dBm): %d.%03d\n",
+ tmp / 8, 125 * (tmp % 8));
+ tmp = le16_to_cpu(rsp->tas_status_mac[i].sar_limit);
+ pos += scnprintf(pos, endpos - pos,
+ "SAR limit (dBm): %d.%03d\n",
+ tmp / 8, 125 * (tmp % 8));
+ }
+
+out:
+ ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff);
+ kfree(buff);
+ iwl_free_resp(&hcmd);
+ return ret;
+}
+
static ssize_t iwl_dbgfs_phy_integration_ver_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
@@ -1685,6 +1871,7 @@ MVM_DEBUGFS_READ_FILE_OPS(fw_rx_stats);
MVM_DEBUGFS_READ_FILE_OPS(drv_rx_stats);
MVM_DEBUGFS_READ_FILE_OPS(fw_ver);
MVM_DEBUGFS_READ_FILE_OPS(phy_integration_ver);
+MVM_DEBUGFS_READ_FILE_OPS(tas_get_status);
MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart, 10);
MVM_DEBUGFS_WRITE_FILE_OPS(fw_nmi, 10);
MVM_DEBUGFS_WRITE_FILE_OPS(bt_tx_prio, 10);
@@ -1894,6 +2081,7 @@ void iwl_mvm_dbgfs_register(struct iwl_mvm *mvm)
if (mvm->fw->phy_integration_ver)
MVM_DEBUGFS_ADD_FILE(phy_integration_ver, mvm->debugfs_dir, 0400);
+ MVM_DEBUGFS_ADD_FILE(tas_get_status, mvm->debugfs_dir, 0400);
#ifdef CONFIG_ACPI
MVM_DEBUGFS_ADD_FILE(sar_geo_profile, mvm->debugfs_dir, 0400);
#endif
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
index 05236b09bcdd..6d6fa35c2b21 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
@@ -1092,6 +1092,11 @@ static const struct dmi_system_id dmi_tas_approved_list[] = {
{}
};
+bool iwl_mvm_is_vendor_in_approved_list(void)
+{
+ return dmi_check_system(dmi_tas_approved_list);
+}
+
static bool iwl_mvm_add_to_tas_block_list(__le32 *list, __le32 *le_size, unsigned int mcc)
{
int i;
@@ -1371,6 +1376,11 @@ static void iwl_mvm_lari_cfg(struct iwl_mvm *mvm)
{
}
+bool iwl_mvm_is_vendor_in_approved_list(void)
+{
+ return false;
+}
+
static u8 iwl_mvm_eval_dsm_rfi(struct iwl_mvm *mvm)
{
return DSM_VALUE_RFI_DISABLE;
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
index a03c2e5bbc25..cea94250d197 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
@@ -2343,5 +2343,5 @@ static inline void iwl_mvm_mei_set_sw_rfkill_state(struct iwl_mvm *mvm)
void iwl_mvm_send_roaming_forbidden_event(struct iwl_mvm *mvm,
struct ieee80211_vif *vif,
bool forbidden);
-
+bool iwl_mvm_is_vendor_in_approved_list(void);
#endif /* __IWL_MVM_H__ */
--
2.38.1
