fishHEADmaster

1 files changed, 514 insertions, 0 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-devtrace.h b/drivers/net/wireless/iwlwifi/iwl-devtrace.h
new file mode 100644
index 0000000..19c7cdb
--- /dev/null
+++ b/drivers/net/wireless/iwlwifi/iwl-devtrace.h
@@ -0,0 +1,514 @@
+/******************************************************************************
+ *
+ * Copyright(c) 2009 - 2013 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
+ *
+ *****************************************************************************/
+
+#if !defined(__IWLWIFI_DEVICE_TRACE) || defined(TRACE_HEADER_MULTI_READ)
+#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;
+
+	if (ieee80211_is_data(hdr->frame_control))
+		return skb->protocol != cpu_to_be16(ETH_P_PAE);
+	return false;
+}
+
+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(CPTCFG_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))
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM iwlwifi_io
+
+TRACE_EVENT(iwlwifi_dev_ioread32,
+	TP_PROTO(const struct device *dev, u32 offs, u32 val),
+	TP_ARGS(dev, offs, val),
+	TP_STRUCT__entry(
+		DEV_ENTRY
+		__field(u32, offs)
+		__field(u32, val)
+	),
+	TP_fast_assign(
+		DEV_ASSIGN;
+		__entry->offs = offs;
+		__entry->val = val;
+	),
+	TP_printk("[%s] read io[%#x] = %#x",
+		  __get_str(dev), __entry->offs, __entry->val)
+);
+
+TRACE_EVENT(iwlwifi_dev_iowrite8,
+	TP_PROTO(const struct device *dev, u32 offs, u8 val),
+	TP_ARGS(dev, offs, val),
+	TP_STRUCT__entry(
+		DEV_ENTRY
+		__field(u32, offs)
+		__field(u8, val)
+	),
+	TP_fast_assign(
+		DEV_ASSIGN;
+		__entry->offs = offs;
+		__entry->val = val;
+	),
+	TP_printk("[%s] write io[%#x] = %#x)",
+		  __get_str(dev), __entry->offs, __entry->val)
+);
+
+TRACE_EVENT(iwlwifi_dev_iowrite32,
+	TP_PROTO(const struct device *dev, u32 offs, u32 val),
+	TP_ARGS(dev, offs, val),
+	TP_STRUCT__entry(
+		DEV_ENTRY
+		__field(u32, offs)
+		__field(u32, val)
+	),
+	TP_fast_assign(
+		DEV_ASSIGN;
+		__entry->offs = offs;
+		__entry->val = val;
+	),
+	TP_printk("[%s] write io[%#x] = %#x)",
+		  __get_str(dev), __entry->offs, __entry->val)
+);
+
+TRACE_EVENT(iwlwifi_dev_iowrite_prph32,
+	TP_PROTO(const struct device *dev, u32 offs, u32 val),
+	TP_ARGS(dev, offs, val),
+	TP_STRUCT__entry(
+		DEV_ENTRY
+		__field(u32, offs)
+		__field(u32, val)
+	),
+	TP_fast_assign(
+		DEV_ASSIGN;
+		__entry->offs = offs;
+		__entry->val = val;
+	),
+	TP_printk("[%s] write PRPH[%#x] = %#x)",
+		  __get_str(dev), __entry->offs, __entry->val)
+);
+
+TRACE_EVENT(iwlwifi_dev_ioread_prph32,
+	TP_PROTO(const struct device *dev, u32 offs, u32 val),
+	TP_ARGS(dev, offs, val),
+	TP_STRUCT__entry(
+		DEV_ENTRY
+		__field(u32, offs)
+		__field(u32, val)
+	),
+	TP_fast_assign(
+		DEV_ASSIGN;
+		__entry->offs = offs;
+		__entry->val = val;
+	),
+	TP_printk("[%s] read PRPH[%#x] = %#x",
+		  __get_str(dev), __entry->offs, __entry->val)
+);
+
+TRACE_EVENT(iwlwifi_dev_irq,
+	TP_PROTO(const struct device *dev),
+	TP_ARGS(dev),
+	TP_STRUCT__entry(
+		DEV_ENTRY
+	),
+	TP_fast_assign(
+		DEV_ASSIGN;
+	),
+	/* TP_printk("") doesn't compile */
+	TP_printk("%d", 0)
+);
+
+TRACE_EVENT(iwlwifi_dev_ict_read,
+	TP_PROTO(const struct device *dev, u32 index, u32 value),
+	TP_ARGS(dev, index, value),
+	TP_STRUCT__entry(
+		DEV_ENTRY
+		__field(u32, index)
+		__field(u32, value)
+	),
+	TP_fast_assign(
+		DEV_ASSIGN;
+		__entry->index = index;
+		__entry->value = value;
+	),
+	TP_printk("[%s] read ict[%d] = %#.8x",
+		  __get_str(dev), __entry->index, __entry->value)
+);
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM iwlwifi_ucode
+
+TRACE_EVENT(iwlwifi_dev_ucode_cont_event,
+	TP_PROTO(const struct device *dev, u32 time, u32 data, u32 ev),
+	TP_ARGS(dev, time, data, ev),
+	TP_STRUCT__entry(
+		DEV_ENTRY
+
+		__field(u32, time)
+		__field(u32, data)
+		__field(u32, ev)
+	),
+	TP_fast_assign(
+		DEV_ASSIGN;
+		__entry->time = time;
+		__entry->data = data;
+		__entry->ev = ev;
+	),
+	TP_printk("[%s] EVT_LOGT:%010u:0x%08x:%04u",
+		  __get_str(dev), __entry->time, __entry->data, __entry->ev)
+);
+
+TRACE_EVENT(iwlwifi_dev_ucode_wrap_event,
+	TP_PROTO(const struct device *dev, u32 wraps, u32 n_entry, u32 p_entry),
+	TP_ARGS(dev, wraps, n_entry, p_entry),
+	TP_STRUCT__entry(
+		DEV_ENTRY
+
+		__field(u32, wraps)
+		__field(u32, n_entry)
+		__field(u32, p_entry)
+	),
+	TP_fast_assign(
+		DEV_ASSIGN;
+		__entry->wraps = wraps;
+		__entry->n_entry = n_entry;
+		__entry->p_entry = p_entry;
+	),
+	TP_printk("[%s] wraps=#%02d n=0x%X p=0x%X",
+		  __get_str(dev), __entry->wraps, __entry->n_entry,
+		  __entry->p_entry)
+);
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM iwlwifi_msg
+
+#define MAX_MSG_LEN	110
+
+DECLARE_EVENT_CLASS(iwlwifi_msg_event,
+	TP_PROTO(struct va_format *vaf),
+	TP_ARGS(vaf),
+	TP_STRUCT__entry(
+		__dynamic_array(char, msg, MAX_MSG_LEN)
+	),
+	TP_fast_assign(
+		WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg),
+				       MAX_MSG_LEN, vaf->fmt,
+				       *vaf->va) >= MAX_MSG_LEN);
+	),
+	TP_printk("%s", __get_str(msg))
+);
+
+DEFINE_EVENT(iwlwifi_msg_event, iwlwifi_err,
+	TP_PROTO(struct va_format *vaf),
+	TP_ARGS(vaf)
+);
+
+DEFINE_EVENT(iwlwifi_msg_event, iwlwifi_warn,
+	TP_PROTO(struct va_format *vaf),
+	TP_ARGS(vaf)
+);
+
+DEFINE_EVENT(iwlwifi_msg_event, iwlwifi_info,
+	TP_PROTO(struct va_format *vaf),
+	TP_ARGS(vaf)
+);
+
+DEFINE_EVENT(iwlwifi_msg_event, iwlwifi_crit,
+	TP_PROTO(struct va_format *vaf),
+	TP_ARGS(vaf)
+);
+
+TRACE_EVENT(iwlwifi_dbg,
+	TP_PROTO(u32 level, bool in_interrupt, const char *function,
+		 struct va_format *vaf),
+	TP_ARGS(level, in_interrupt, function, vaf),
+	TP_STRUCT__entry(
+		__field(u32, level)
+		__field(u8, in_interrupt)
+		__string(function, function)
+		__dynamic_array(char, msg, MAX_MSG_LEN)
+	),
+	TP_fast_assign(
+		__entry->level = level;
+		__entry->in_interrupt = in_interrupt;
+		__assign_str(function, function);
+		WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg),
+				       MAX_MSG_LEN, vaf->fmt,
+				       *vaf->va) >= MAX_MSG_LEN);
+	),
+	TP_printk("%s", __get_str(msg))
+);
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM iwlwifi_data
+
+TRACE_EVENT(iwlwifi_dev_tx_data,
+	TP_PROTO(const struct device *dev,
+		 struct sk_buff *skb,
+		 void *data, size_t data_len),
+	TP_ARGS(dev, skb, data, data_len),
+	TP_STRUCT__entry(
+		DEV_ENTRY
+
+		__dynamic_array(u8, data, iwl_trace_data(skb) ? data_len : 0)
+	),
+	TP_fast_assign(
+		DEV_ASSIGN;
+		if (iwl_trace_data(skb))
+			memcpy(__get_dynamic_array(data), data, data_len);
+	),
+	TP_printk("[%s] TX frame data", __get_str(dev))
+);
+
+TRACE_EVENT(iwlwifi_dev_rx_data,
+	TP_PROTO(const struct device *dev,
+		 const struct iwl_trans *trans,
+		 void *rxbuf, size_t len),
+	TP_ARGS(dev, trans, rxbuf, len),
+	TP_STRUCT__entry(
+		DEV_ENTRY
+
+		__dynamic_array(u8, data,
+				len - iwl_rx_trace_len(trans, rxbuf, len))
+	),
+	TP_fast_assign(
+		size_t offs = iwl_rx_trace_len(trans, rxbuf, len);
+		DEV_ASSIGN;
+		if (offs < len)
+			memcpy(__get_dynamic_array(data),
+			       ((u8 *)rxbuf) + offs, len - offs);
+	),
+	TP_printk("[%s] RX frame data", __get_str(dev))
+);
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM iwlwifi
+
+TRACE_EVENT(iwlwifi_dev_hcmd,
+	TP_PROTO(const struct device *dev,
+		 struct iwl_host_cmd *cmd, u16 total_size,
+		 struct iwl_cmd_header *hdr),
+	TP_ARGS(dev, cmd, total_size, hdr),
+	TP_STRUCT__entry(
+		DEV_ENTRY
+		__dynamic_array(u8, hcmd, total_size)
+		__field(u32, flags)
+	),
+	TP_fast_assign(
+		int i, offset = sizeof(*hdr);
+
+		DEV_ASSIGN;
+		__entry->flags = cmd->flags;
+		memcpy(__get_dynamic_array(hcmd), hdr, sizeof(*hdr));
+
+		for (i = 0; i < IWL_MAX_CMD_TBS_PER_TFD; i++) {
+			if (!cmd->len[i])
+				continue;
+			memcpy((u8 *)__get_dynamic_array(hcmd) + offset,
+			       cmd->data[i], cmd->len[i]);
+			offset += cmd->len[i];
+		}
+	),
+	TP_printk("[%s] hcmd %#.2x (%ssync)",
+		  __get_str(dev), ((u8 *)__get_dynamic_array(hcmd))[0],
+		  __entry->flags & CMD_ASYNC ? "a" : "")
+);
+
+TRACE_EVENT(iwlwifi_dev_rx,
+	TP_PROTO(const struct device *dev, const struct iwl_trans *trans,
+		 void *rxbuf, size_t len),
+	TP_ARGS(dev, trans, rxbuf, len),
+	TP_STRUCT__entry(
+		DEV_ENTRY
+		__dynamic_array(u8, rxbuf, iwl_rx_trace_len(trans, rxbuf, len))
+	),
+	TP_fast_assign(
+		DEV_ASSIGN;
+		memcpy(__get_dynamic_array(rxbuf), rxbuf,
+		       iwl_rx_trace_len(trans, rxbuf, len));
+	),
+	TP_printk("[%s] RX cmd %#.2x",
+		  __get_str(dev), ((u8 *)__get_dynamic_array(rxbuf))[4])
+);
+
+TRACE_EVENT(iwlwifi_dev_tx,
+	TP_PROTO(const struct device *dev, struct sk_buff *skb,
+		 void *tfd, size_t tfdlen,
+		 void *buf0, size_t buf0_len,
+		 void *buf1, size_t buf1_len),
+	TP_ARGS(dev, skb, tfd, tfdlen, buf0, buf0_len, buf1, buf1_len),
+	TP_STRUCT__entry(
+		DEV_ENTRY
+
+		__field(size_t, framelen)
+		__dynamic_array(u8, tfd, tfdlen)
+
+		/*
+		 * Do not insert between or below these items,
+		 * we want to keep the frame together (except
+		 * for the possible padding).
+		 */
+		__dynamic_array(u8, buf0, buf0_len)
+		__dynamic_array(u8, buf1, iwl_trace_data(skb) ? 0 : buf1_len)
+	),
+	TP_fast_assign(
+		DEV_ASSIGN;
+		__entry->framelen = buf0_len + buf1_len;
+		memcpy(__get_dynamic_array(tfd), tfd, tfdlen);
+		memcpy(__get_dynamic_array(buf0), buf0, buf0_len);
+		if (!iwl_trace_data(skb))
+			memcpy(__get_dynamic_array(buf1), buf1, buf1_len);
+	),
+	TP_printk("[%s] TX %.2x (%zu bytes)",
+		  __get_str(dev), ((u8 *)__get_dynamic_array(buf0))[0],
+		  __entry->framelen)
+);
+
+TRACE_EVENT(iwlwifi_dev_ucode_error,
+	TP_PROTO(const struct device *dev, u32 desc, u32 tsf_low,
+		 u32 data1, u32 data2, u32 line, u32 blink1,
+		 u32 blink2, u32 ilink1, u32 ilink2, u32 bcon_time,
+		 u32 gp1, u32 gp2, u32 gp3, u32 ucode_ver, u32 hw_ver,
+		 u32 brd_ver),
+	TP_ARGS(dev, desc, tsf_low, data1, data2, line,
+		blink1, blink2, ilink1, ilink2, bcon_time, gp1, gp2,
+		gp3, ucode_ver, hw_ver, brd_ver),
+	TP_STRUCT__entry(
+		DEV_ENTRY
+		__field(u32, desc)
+		__field(u32, tsf_low)
+		__field(u32, data1)
+		__field(u32, data2)
+		__field(u32, line)
+		__field(u32, blink1)
+		__field(u32, blink2)
+		__field(u32, ilink1)
+		__field(u32, ilink2)
+		__field(u32, bcon_time)
+		__field(u32, gp1)
+		__field(u32, gp2)
+		__field(u32, gp3)
+		__field(u32, ucode_ver)
+		__field(u32, hw_ver)
+		__field(u32, brd_ver)
+	),
+	TP_fast_assign(
+		DEV_ASSIGN;
+		__entry->desc = desc;
+		__entry->tsf_low = tsf_low;
+		__entry->data1 = data1;
+		__entry->data2 = data2;
+		__entry->line = line;
+		__entry->blink1 = blink1;
+		__entry->blink2 = blink2;
+		__entry->ilink1 = ilink1;
+		__entry->ilink2 = ilink2;
+		__entry->bcon_time = bcon_time;
+		__entry->gp1 = gp1;
+		__entry->gp2 = gp2;
+		__entry->gp3 = gp3;
+		__entry->ucode_ver = ucode_ver;
+		__entry->hw_ver = hw_ver;
+		__entry->brd_ver = brd_ver;
+	),
+	TP_printk("[%s] #%02d %010u data 0x%08X 0x%08X line %u, "
+		  "blink 0x%05X 0x%05X ilink 0x%05X 0x%05X "
+		  "bcon_tm %010u gp 0x%08X 0x%08X 0x%08X uCode 0x%08X "
+		  "hw 0x%08X brd 0x%08X",
+		  __get_str(dev), __entry->desc, __entry->tsf_low,
+		  __entry->data1,
+		  __entry->data2, __entry->line, __entry->blink1,
+		  __entry->blink2, __entry->ilink1, __entry->ilink2,
+		  __entry->bcon_time, __entry->gp1, __entry->gp2,
+		  __entry->gp3, __entry->ucode_ver, __entry->hw_ver,
+		  __entry->brd_ver)
+);
+
+TRACE_EVENT(iwlwifi_dev_ucode_event,
+	TP_PROTO(const struct device *dev, u32 time, u32 data, u32 ev),
+	TP_ARGS(dev, time, data, ev),
+	TP_STRUCT__entry(
+		DEV_ENTRY
+
+		__field(u32, time)
+		__field(u32, data)
+		__field(u32, ev)
+	),
+	TP_fast_assign(
+		DEV_ASSIGN;
+		__entry->time = time;
+		__entry->data = data;
+		__entry->ev = ev;
+	),
+	TP_printk("[%s] EVT_LOGT:%010u:0x%08x:%04u",
+		  __get_str(dev), __entry->time, __entry->data, __entry->ev)
+);
+#endif /* __IWLWIFI_DEVICE_TRACE */
+
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_FILE iwl-devtrace
+#include <trace/define_trace.h>