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iwlwifi: dbg: add op_mode callback for collecting debug data.

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The first use is collecting debug data when transport stops the device.

Signed-off-by: Mordechay Goodstein <mordechay.goodstein@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210210142629.d282d0a9ee7b.I9a0ad29f80daba8956a6aa077ba865e19b2150be@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Mordechay Goodstein 2021-02-10 14:29:18 +02:00 committed by Luca Coelho
parent cb3abd2091
commit d01293154c
5 changed files with 35 additions and 3 deletions
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4
drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.h
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@ -1,12 +1,14 @@
/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
/*
* Copyright (C) 2018-2019 Intel Corporation
* Copyright (C) 2018-2020 Intel Corporation
*/
#ifndef __iwl_dbg_tlv_h__
#define __iwl_dbg_tlv_h__
#include <linux/device.h>
#include <linux/types.h>
#include <fw/file.h>
#include <fw/api/dbg-tlv.h>
/**
* struct iwl_dbg_tlv_node - debug TLV node

14
drivers/net/wireless/intel/iwlwifi/iwl-op-mode.h
View File

@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
/*
* Copyright (C) 2005-2014, 2018-2019 Intel Corporation
* Copyright (C) 2005-2014, 2018-2020 Intel Corporation
* Copyright (C) 2013-2014 Intel Mobile Communications GmbH
* Copyright (C) 2015 Intel Deutschland GmbH
*/
@ -9,6 +9,7 @@
#include <linux/netdevice.h>
#include <linux/debugfs.h>
#include "iwl-dbg-tlv.h"
struct iwl_op_mode;
struct iwl_trans;
@ -83,6 +84,7 @@ struct iwl_cfg;
* @nic_config: configure NIC, called before firmware is started.
* May sleep
* @wimax_active: invoked when WiMax becomes active. May sleep
* @time_point: called when transport layer wants to collect debug data
*/
struct iwl_op_mode_ops {
struct iwl_op_mode *(*start)(struct iwl_trans *trans,
@ -104,6 +106,9 @@ struct iwl_op_mode_ops {
void (*cmd_queue_full)(struct iwl_op_mode *op_mode);
void (*nic_config)(struct iwl_op_mode *op_mode);
void (*wimax_active)(struct iwl_op_mode *op_mode);
void (*time_point)(struct iwl_op_mode *op_mode,
enum iwl_fw_ini_time_point tp_id,
union iwl_dbg_tlv_tp_data *tp_data);
};
int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops);
@ -196,4 +201,11 @@ static inline void iwl_op_mode_wimax_active(struct iwl_op_mode *op_mode)
op_mode->ops->wimax_active(op_mode);
}
static inline void iwl_op_mode_time_point(struct iwl_op_mode *op_mode,
enum iwl_fw_ini_time_point tp_id,
union iwl_dbg_tlv_tp_data *tp_data)
{
op_mode->ops->time_point(op_mode, tp_id, tp_data);
}
#endif /* __iwl_op_mode_h__ */

12
drivers/net/wireless/intel/iwlwifi/mvm/ops.c
View File

@ -1412,6 +1412,15 @@ static void iwl_mvm_cmd_queue_full(struct iwl_op_mode *op_mode)
iwl_mvm_nic_restart(mvm, true);
}
static void iwl_op_mode_mvm_time_point(struct iwl_op_mode *op_mode,
enum iwl_fw_ini_time_point tp_id,
union iwl_dbg_tlv_tp_data *tp_data)
{
struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
iwl_dbg_tlv_time_point(&mvm->fwrt, tp_id, tp_data);
}
#define IWL_MVM_COMMON_OPS \
/* these could be differentiated */ \
.async_cb = iwl_mvm_async_cb, \
@ -1424,7 +1433,8 @@ static void iwl_mvm_cmd_queue_full(struct iwl_op_mode *op_mode)
.nic_config = iwl_mvm_nic_config, \
/* as we only register one, these MUST be common! */ \
.start = iwl_op_mode_mvm_start, \
.stop = iwl_op_mode_mvm_stop
.stop = iwl_op_mode_mvm_stop, \
.time_point = iwl_op_mode_mvm_time_point
static const struct iwl_op_mode_ops iwl_mvm_ops = {
IWL_MVM_COMMON_OPS,

4
drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c
View File

@ -198,6 +198,10 @@ void iwl_trans_pcie_gen2_stop_device(struct iwl_trans *trans)
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
bool was_in_rfkill;
iwl_op_mode_time_point(trans->op_mode,
IWL_FW_INI_TIME_POINT_HOST_DEVICE_DISABLE,
NULL);
mutex_lock(&trans_pcie->mutex);
trans_pcie->opmode_down = true;
was_in_rfkill = test_bit(STATUS_RFKILL_OPMODE, &trans->status);

4
drivers/net/wireless/intel/iwlwifi/pcie/trans.c
View File

@ -1380,6 +1380,10 @@ static void iwl_trans_pcie_stop_device(struct iwl_trans *trans)
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
bool was_in_rfkill;
iwl_op_mode_time_point(trans->op_mode,
IWL_FW_INI_TIME_POINT_HOST_DEVICE_DISABLE,
NULL);
mutex_lock(&trans_pcie->mutex);
trans_pcie->opmode_down = true;
was_in_rfkill = test_bit(STATUS_RFKILL_OPMODE, &trans->status);