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kernel/linux-rt-4.4.41/drivers/net/wireless/iwlwifi/iwl-devtrace.h 2.88 KB
5113f6f70   김현기   kernel add
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  /******************************************************************************
   *
   * Copyright(c) 2009 - 2014 Intel Corporation. All rights reserved.
   *
   * 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 <ilw@linux.intel.com>
   * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
   *
   *****************************************************************************/
  
  #ifndef __IWLWIFI_DEVICE_TRACE
  #include <linux/skbuff.h>
  #include <linux/ieee80211.h>
  #include <net/cfg80211.h>
  #include "iwl-trans.h"
  #if !defined(__IWLWIFI_DEVICE_TRACE)
  static inline bool iwl_trace_data(struct sk_buff *skb)
  {
  	struct ieee80211_hdr *hdr = (void *)skb->data;
  	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
  
  	if (!ieee80211_is_data(hdr->frame_control))
  		return false;
  	return !(info->control.flags & IEEE80211_TX_CTRL_PORT_CTRL_PROTO);
  }
  
  static inline size_t iwl_rx_trace_len(const struct iwl_trans *trans,
  				      void *rxbuf, size_t len)
  {
  	struct iwl_cmd_header *cmd = (void *)((u8 *)rxbuf + sizeof(__le32));
  	struct ieee80211_hdr *hdr;
  
  	if (cmd->cmd != trans->rx_mpdu_cmd)
  		return len;
  
  	hdr = (void *)((u8 *)cmd + sizeof(struct iwl_cmd_header) +
  			trans->rx_mpdu_cmd_hdr_size);
  	if (!ieee80211_is_data(hdr->frame_control))
  		return len;
  	/* maybe try to identify EAPOL frames? */
  	return sizeof(__le32) + sizeof(*cmd) + trans->rx_mpdu_cmd_hdr_size +
  		ieee80211_hdrlen(hdr->frame_control);
  }
  #endif
  
  #define __IWLWIFI_DEVICE_TRACE
  
  #include <linux/tracepoint.h>
  #include <linux/device.h>
  #include "iwl-trans.h"
  
  
  #if !defined(CONFIG_IWLWIFI_DEVICE_TRACING) || defined(__CHECKER__)
  #undef TRACE_EVENT
  #define TRACE_EVENT(name, proto, ...) \
  static inline void trace_ ## name(proto) {}
  #undef DECLARE_EVENT_CLASS
  #define DECLARE_EVENT_CLASS(...)
  #undef DEFINE_EVENT
  #define DEFINE_EVENT(evt_class, name, proto, ...) \
  static inline void trace_ ## name(proto) {}
  #endif
  
  #define DEV_ENTRY	__string(dev, dev_name(dev))
  #define DEV_ASSIGN	__assign_str(dev, dev_name(dev))
  
  #include "iwl-devtrace-io.h"
  #include "iwl-devtrace-ucode.h"
  #include "iwl-devtrace-msg.h"
  #include "iwl-devtrace-data.h"
  #include "iwl-devtrace-iwlwifi.h"
  
  #endif /* __IWLWIFI_DEVICE_TRACE */