linux_kernel/drivers/net/wireless/intel/iwlwifi/iwl-devtrace-data.h

/******************************************************************************
 *
 * Copyright(c) 2009 - 2014 Intel Corporation. All rights reserved.
 * Copyright(c) 2015        Intel Deutschland GmbH
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
 *
 * The full GNU General Public License is included in this distribution in the
 * file called LICENSE.
 *
 * Contact Information:
 *  Intel Linux Wireless <linuxwifi@intel.com>
 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
 *
 *****************************************************************************/

#if !defined(__IWLWIFI_DEVICE_TRACE_DATA) || defined(TRACE_HEADER_MULTI_READ)
#define __IWLWIFI_DEVICE_TRACE_DATA

#include <linux/tracepoint.h>

#undef TRACE_SYSTEM
#define TRACE_SYSTEM iwlwifi_data

TRACE_EVENT(iwlwifi_dev_tx_data,
	TP_PROTO(const struct device *dev,
		 struct sk_buff *skb, u8 hdr_len),
	TP_ARGS(dev, skb, hdr_len),
	TP_STRUCT__entry(
		DEV_ENTRY

		__dynamic_array(u8, data,
				iwl_trace_data(skb) ? skb->len - hdr_len : 0)
	),
	TP_fast_assign(
		DEV_ASSIGN;
		if (iwl_trace_data(skb))
			skb_copy_bits(skb, hdr_len,
				      __get_dynamic_array(data),
				      skb->len - hdr_len);
	),
	TP_printk("[%s] TX frame data", __get_str(dev))
);

TRACE_EVENT(iwlwifi_dev_tx_tso_chunk,
	TP_PROTO(const struct device *dev,
		 u8 *data_src, size_t data_len),
	TP_ARGS(dev, data_src, data_len),
	TP_STRUCT__entry(
		DEV_ENTRY

		__dynamic_array(u8, data, data_len)
	),
	TP_fast_assign(
		DEV_ASSIGN;
		memcpy(__get_dynamic_array(data), data_src, data_len);
	),
	TP_printk("[%s] TX frame data", __get_str(dev))
);

TRACE_EVENT(iwlwifi_dev_rx_data,
	TP_PROTO(const struct device *dev,
		 const struct iwl_trans *trans,
		 void *rxbuf, size_t len),
	TP_ARGS(dev, trans, rxbuf, len),
	TP_STRUCT__entry(
		DEV_ENTRY

		__dynamic_array(u8, data,
				len - iwl_rx_trace_len(trans, rxbuf, len))
	),
	TP_fast_assign(
		size_t offs = iwl_rx_trace_len(trans, rxbuf, len);
		DEV_ASSIGN;
		if (offs < len)
			memcpy(__get_dynamic_array(data),
			       ((u8 *)rxbuf) + offs, len - offs);
	),
	TP_printk("[%s] RX frame data", __get_str(dev))
);
#endif /* __IWLWIFI_DEVICE_TRACE_DATA */

#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH .
#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_FILE iwl-devtrace-data
#include <trace/define_trace.h>