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

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