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#ifndef __IWLWIFI_DEVICE_TRACE
28#include <linux/skbuff.h>
29#include <linux/ieee80211.h>
30#include <net/cfg80211.h>
31#include "iwl-trans.h"
32#if !defined(__IWLWIFI_DEVICE_TRACE)
33static inline bool iwl_trace_data(struct sk_buff *skb)
34{
35	struct ieee80211_hdr *hdr = (void *)skb->data;
36	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
37
38	if (!ieee80211_is_data(hdr->frame_control))
39		return false;
40	return !(info->control.flags & IEEE80211_TX_CTRL_PORT_CTRL_PROTO);
41}
42
43static inline size_t iwl_rx_trace_len(const struct iwl_trans *trans,
44				      void *rxbuf, size_t len)
45{
46	struct iwl_cmd_header *cmd = (void *)((u8 *)rxbuf + sizeof(__le32));
47	struct ieee80211_hdr *hdr;
48
49	if (cmd->cmd != trans->rx_mpdu_cmd)
50		return len;
51
52	hdr = (void *)((u8 *)cmd + sizeof(struct iwl_cmd_header) +
53			trans->rx_mpdu_cmd_hdr_size);
54	if (!ieee80211_is_data(hdr->frame_control))
55		return len;
56	/* maybe try to identify EAPOL frames? */
57	return sizeof(__le32) + sizeof(*cmd) + trans->rx_mpdu_cmd_hdr_size +
58		ieee80211_hdrlen(hdr->frame_control);
59}
60#endif
61
62#define __IWLWIFI_DEVICE_TRACE
63
64#include <linux/tracepoint.h>
65#include <linux/device.h>
66#include "iwl-trans.h"
67
68
69#if !defined(CONFIG_IWLWIFI_DEVICE_TRACING) || defined(__CHECKER__)
70#undef TRACE_EVENT
71#define TRACE_EVENT(name, proto, ...) \
72static inline void trace_ ## name(proto) {}
73#undef DECLARE_EVENT_CLASS
74#define DECLARE_EVENT_CLASS(...)
75#undef DEFINE_EVENT
76#define DEFINE_EVENT(evt_class, name, proto, ...) \
77static inline void trace_ ## name(proto) {}
78#endif
79
80#define DEV_ENTRY	__string(dev, dev_name(dev))
81#define DEV_ASSIGN	__assign_str(dev, dev_name(dev))
82
83#include "iwl-devtrace-io.h"
84#include "iwl-devtrace-ucode.h"
85#include "iwl-devtrace-msg.h"
86#include "iwl-devtrace-data.h"
87#include "iwl-devtrace-iwlwifi.h"
88
89#endif /* __IWLWIFI_DEVICE_TRACE */
90