LXR linux/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
  36TRACE_EVENT(iwlwifi_dev_tx_data,
  37        TP_PROTO(const struct device *dev,
  38                 struct sk_buff *skb, u8 hdr_len),
  39        TP_ARGS(dev, skb, hdr_len),
  40        TP_STRUCT__entry(
  41                DEV_ENTRY
  42
  43                __dynamic_array(u8, data,
  44                                iwl_trace_data(skb) ? skb->len - hdr_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),
  51                                      skb->len - hdr_len);
  52        ),
  53        TP_printk("[%s] TX frame data", __get_str(dev))
  54);
  55
  56TRACE_EVENT(iwlwifi_dev_tx_tso_chunk,
  57        TP_PROTO(const struct device *dev,
  58                 u8 *data_src, size_t data_len),
  59        TP_ARGS(dev, data_src, data_len),
  60        TP_STRUCT__entry(
  61                DEV_ENTRY
  62
  63                __dynamic_array(u8, data, data_len)
  64        ),
  65        TP_fast_assign(
  66                DEV_ASSIGN;
  67                memcpy(__get_dynamic_array(data), data_src, data_len);
  68        ),
  69        TP_printk("[%s] TX frame data", __get_str(dev))
  70);
  71
  72TRACE_EVENT(iwlwifi_dev_rx_data,
  73        TP_PROTO(const struct device *dev,
  74                 const struct iwl_trans *trans,
  75                 void *rxbuf, size_t len),
  76        TP_ARGS(dev, trans, rxbuf, len),
  77        TP_STRUCT__entry(
  78                DEV_ENTRY
  79
  80                __dynamic_array(u8, data,
  81                                len - iwl_rx_trace_len(trans, rxbuf, len))
  82        ),
  83        TP_fast_assign(
  84                size_t offs = iwl_rx_trace_len(trans, rxbuf, len);
  85                DEV_ASSIGN;
  86                if (offs < len)
  87                        memcpy(__get_dynamic_array(data),
  88                               ((u8 *)rxbuf) + offs, len - offs);
  89        ),
  90        TP_printk("[%s] RX frame data", __get_str(dev))
  91);
  92#endif /* __IWLWIFI_DEVICE_TRACE_DATA */
  93
  94#undef TRACE_INCLUDE_PATH
  95#define TRACE_INCLUDE_PATH .
  96#undef TRACE_INCLUDE_FILE
  97#define TRACE_INCLUDE_FILE iwl-devtrace-data
  98#include <trace/define_trace.h>
  99