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

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2009 - 2014 Intel Corporation. All rights reserved.
   4  * Copyright(c) 2015        Intel Deutschland GmbH
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms of version 2 of the GNU General Public License as
   8  * published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13  * more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along with
  16  * this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  18  *
  19  * The full GNU General Public License is included in this distribution in the
  20  * file called LICENSE.
  21  *
  22  * Contact Information:
  23  *  Intel Linux Wireless <linuxwifi@intel.com>
  24  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  25  *
  26  *****************************************************************************/
  27
  28 #if !defined(__IWLWIFI_DEVICE_TRACE_DATA) || defined(TRACE_HEADER_MULTI_READ)
  29 #define __IWLWIFI_DEVICE_TRACE_DATA
  30
  31 #include <linux/tracepoint.h>
  32
  33 #undef TRACE_SYSTEM
  34 #define TRACE_SYSTEM iwlwifi_data
  35
  36 TRACE_EVENT(iwlwifi_dev_tx_data,
  37         TP_PROTO(const struct device *dev,
  38                  struct sk_buff *skb,
  39                  u8 hdr_len, size_t data_len),
  40         TP_ARGS(dev, skb, hdr_len, data_len),
  41         TP_STRUCT__entry(
  42                 DEV_ENTRY
  43
  44                 __dynamic_array(u8, data, iwl_trace_data(skb) ? data_len : 0)
  45         ),
  46         TP_fast_assign(
  47                 DEV_ASSIGN;
  48                 if (iwl_trace_data(skb))
  49                         skb_copy_bits(skb, hdr_len,
  50                                       __get_dynamic_array(data), data_len);
  51         ),
  52         TP_printk("[%s] TX frame data", __get_str(dev))
  53 );
  54
  55 TRACE_EVENT(iwlwifi_dev_tx_tso_chunk,
  56         TP_PROTO(const struct device *dev,
  57                  u8 *data_src, size_t data_len),
  58         TP_ARGS(dev, data_src, data_len),
  59         TP_STRUCT__entry(
  60                 DEV_ENTRY
  61
  62                 __dynamic_array(u8, data, data_len)
  63         ),
  64         TP_fast_assign(
  65                 DEV_ASSIGN;
  66                 memcpy(__get_dynamic_array(data), data_src, data_len);
  67         ),
  68         TP_printk("[%s] TX frame data", __get_str(dev))
  69 );
  70
  71 TRACE_EVENT(iwlwifi_dev_rx_data,
  72         TP_PROTO(const struct device *dev,
  73                  const struct iwl_trans *trans,
  74                  void *rxbuf, size_t len),
  75         TP_ARGS(dev, trans, rxbuf, len),
  76         TP_STRUCT__entry(
  77                 DEV_ENTRY
  78
  79                 __dynamic_array(u8, data,
  80                                 len - iwl_rx_trace_len(trans, rxbuf, len))
  81         ),
  82         TP_fast_assign(
  83                 size_t offs = iwl_rx_trace_len(trans, rxbuf, len);
  84                 DEV_ASSIGN;
  85                 if (offs < len)
  86                         memcpy(__get_dynamic_array(data),
  87                                ((u8 *)rxbuf) + offs, len - offs);
  88         ),
  89         TP_printk("[%s] RX frame data", __get_str(dev))
  90 );
  91 #endif /* __IWLWIFI_DEVICE_TRACE_DATA */
  92
  93 #undef TRACE_INCLUDE_PATH
  94 #define TRACE_INCLUDE_PATH .
  95 #undef TRACE_INCLUDE_FILE
  96 #define TRACE_INCLUDE_FILE iwl-devtrace-data
  97 #include <trace/define_trace.h>