Commit 0ecc4e68 authored by Varka Bhadram's avatar Varka Bhadram Committed by Marcel Holtmann
Browse files

mac802154: add trace functionality for driver ops 



This patch adds trace events for driver operations.

Signed-off-by: default avatarVarka Bhadram <varkab@cdac.in>
Acked-by: default avatarAlexander Aring <alex.aring@gmail.com>
Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
parent 1caf6f47

net/mac802154/Makefile

+3 −1
Original line number Diff line number Diff line 
obj-$(CONFIG_MAC802154)	+= mac802154.o

mac802154-objs		:= main.o rx.o tx.o mac_cmd.o mib.o \

			   iface.o llsec.o util.o cfg.o

			   iface.o llsec.o util.o cfg.o trace.o



CFLAGS_trace.o := -I$(src)



ccflags-y += -D__CHECK_ENDIAN__

net/mac802154/driver-ops.h

+78 −14
Original line number Diff line number Diff line
@@ -7,6 +7,7 @@ 
#include <net/mac802154.h>



#include "ieee802154_i.h"

#include "trace.h"



static inline int

drv_xmit_async(struct ieee802154_local *local, struct sk_buff *skb)
@@ -27,19 +28,25 @@ drv_xmit_sync(struct ieee802154_local *local, struct sk_buff *skb) 


static inline int drv_start(struct ieee802154_local *local)

{

	int ret;



	might_sleep();



	trace_802154_drv_start(local);

	local->started = true;

	smp_mb();



	return local->ops->start(&local->hw);

	ret = local->ops->start(&local->hw);

	trace_802154_drv_return_int(local, ret);

	return ret;

}



static inline void drv_stop(struct ieee802154_local *local)

{

	might_sleep();



	trace_802154_drv_stop(local);

	local->ops->stop(&local->hw);

	trace_802154_drv_return_void(local);



	/* sync away all work on the tasklet before clearing started */

	tasklet_disable(&local->tasklet);
@@ -53,13 +60,20 @@ static inline void drv_stop(struct ieee802154_local *local) 
static inline int

drv_set_channel(struct ieee802154_local *local, u8 page, u8 channel)

{

	int ret;



	might_sleep();



	return local->ops->set_channel(&local->hw, page, channel);

	trace_802154_drv_set_channel(local, page, channel);

	ret = local->ops->set_channel(&local->hw, page, channel);

	trace_802154_drv_return_int(local, ret);

	return ret;

}



static inline int drv_set_tx_power(struct ieee802154_local *local, s32 mbm)

{

	int ret;



	might_sleep();



	if (!local->ops->set_txpower) {
@@ -67,12 +81,17 @@ static inline int drv_set_tx_power(struct ieee802154_local *local, s32 mbm) 
		return -EOPNOTSUPP;

	}



	return local->ops->set_txpower(&local->hw, mbm);

	trace_802154_drv_set_tx_power(local, mbm);

	ret = local->ops->set_txpower(&local->hw, mbm);

	trace_802154_drv_return_int(local, ret);

	return ret;

}



static inline int drv_set_cca_mode(struct ieee802154_local *local,

				   const struct wpan_phy_cca *cca)

{

	int ret;



	might_sleep();



	if (!local->ops->set_cca_mode) {
@@ -80,11 +99,16 @@ static inline int drv_set_cca_mode(struct ieee802154_local *local, 
		return -EOPNOTSUPP;

	}



	return local->ops->set_cca_mode(&local->hw, cca);

	trace_802154_drv_set_cca_mode(local, cca);

	ret = local->ops->set_cca_mode(&local->hw, cca);

	trace_802154_drv_return_int(local, ret);

	return ret;

}



static inline int drv_set_lbt_mode(struct ieee802154_local *local, bool mode)

{

	int ret;



	might_sleep();



	if (!local->ops->set_lbt) {
@@ -92,12 +116,17 @@ static inline int drv_set_lbt_mode(struct ieee802154_local *local, bool mode) 
		return -EOPNOTSUPP;

	}



	return local->ops->set_lbt(&local->hw, mode);

	trace_802154_drv_set_lbt_mode(local, mode);

	ret = local->ops->set_lbt(&local->hw, mode);

	trace_802154_drv_return_int(local, ret);

	return ret;

}



static inline int

drv_set_cca_ed_level(struct ieee802154_local *local, s32 mbm)

{

	int ret;



	might_sleep();



	if (!local->ops->set_cca_ed_level) {
@@ -105,12 +134,16 @@ drv_set_cca_ed_level(struct ieee802154_local *local, s32 mbm) 
		return -EOPNOTSUPP;

	}



	return local->ops->set_cca_ed_level(&local->hw, mbm);

	trace_802154_drv_set_cca_ed_level(local, mbm);

	ret = local->ops->set_cca_ed_level(&local->hw, mbm);

	trace_802154_drv_return_int(local, ret);

	return ret;

}



static inline int drv_set_pan_id(struct ieee802154_local *local, __le16 pan_id)

{

	struct ieee802154_hw_addr_filt filt;

	int ret;



	might_sleep();
@@ -121,14 +154,18 @@ static inline int drv_set_pan_id(struct ieee802154_local *local, __le16 pan_id) 


	filt.pan_id = pan_id;



	return local->ops->set_hw_addr_filt(&local->hw, &filt,

	trace_802154_drv_set_pan_id(local, pan_id);

	ret = local->ops->set_hw_addr_filt(&local->hw, &filt,

					    IEEE802154_AFILT_PANID_CHANGED);

	trace_802154_drv_return_int(local, ret);

	return ret;

}



static inline int

drv_set_extended_addr(struct ieee802154_local *local, __le64 extended_addr)

{

	struct ieee802154_hw_addr_filt filt;

	int ret;



	might_sleep();
@@ -139,14 +176,18 @@ drv_set_extended_addr(struct ieee802154_local *local, __le64 extended_addr) 


	filt.ieee_addr = extended_addr;



	return local->ops->set_hw_addr_filt(&local->hw, &filt,

	trace_802154_drv_set_extended_addr(local, extended_addr);

	ret = local->ops->set_hw_addr_filt(&local->hw, &filt,

					    IEEE802154_AFILT_IEEEADDR_CHANGED);

	trace_802154_drv_return_int(local, ret);

	return ret;

}



static inline int

drv_set_short_addr(struct ieee802154_local *local, __le16 short_addr)

{

	struct ieee802154_hw_addr_filt filt;

	int ret;



	might_sleep();
@@ -157,14 +198,18 @@ drv_set_short_addr(struct ieee802154_local *local, __le16 short_addr) 


	filt.short_addr = short_addr;



	return local->ops->set_hw_addr_filt(&local->hw, &filt,

	trace_802154_drv_set_short_addr(local, short_addr);

	ret = local->ops->set_hw_addr_filt(&local->hw, &filt,

					    IEEE802154_AFILT_SADDR_CHANGED);

	trace_802154_drv_return_int(local, ret);

	return ret;

}



static inline int

drv_set_pan_coord(struct ieee802154_local *local, bool is_coord)

{

	struct ieee802154_hw_addr_filt filt;

	int ret;



	might_sleep();
@@ -175,14 +220,19 @@ drv_set_pan_coord(struct ieee802154_local *local, bool is_coord) 


	filt.pan_coord = is_coord;



	return local->ops->set_hw_addr_filt(&local->hw, &filt,

	trace_802154_drv_set_pan_coord(local, is_coord);

	ret = local->ops->set_hw_addr_filt(&local->hw, &filt,

					    IEEE802154_AFILT_PANC_CHANGED);

	trace_802154_drv_return_int(local, ret);

	return ret;

}



static inline int

drv_set_csma_params(struct ieee802154_local *local, u8 min_be, u8 max_be,

		    u8 max_csma_backoffs)

{

	int ret;



	might_sleep();



	if (!local->ops->set_csma_params) {
@@ -190,13 +240,19 @@ drv_set_csma_params(struct ieee802154_local *local, u8 min_be, u8 max_be, 
		return -EOPNOTSUPP;

	}



	return local->ops->set_csma_params(&local->hw, min_be, max_be,

	trace_802154_drv_set_csma_params(local, min_be, max_be,

					 max_csma_backoffs);

	ret = local->ops->set_csma_params(&local->hw, min_be, max_be,

					   max_csma_backoffs);

	trace_802154_drv_return_int(local, ret);

	return ret;

}



static inline int

drv_set_max_frame_retries(struct ieee802154_local *local, s8 max_frame_retries)

{

	int ret;



	might_sleep();



	if (!local->ops->set_frame_retries) {
@@ -204,12 +260,17 @@ drv_set_max_frame_retries(struct ieee802154_local *local, s8 max_frame_retries) 
		return -EOPNOTSUPP;

	}



	return local->ops->set_frame_retries(&local->hw, max_frame_retries);

	trace_802154_drv_set_max_frame_retries(local, max_frame_retries);

	ret = local->ops->set_frame_retries(&local->hw, max_frame_retries);

	trace_802154_drv_return_int(local, ret);

	return ret;

}



static inline int

drv_set_promiscuous_mode(struct ieee802154_local *local, bool on)

{

	int ret;



	might_sleep();



	if (!local->ops->set_promiscuous_mode) {
@@ -217,7 +278,10 @@ drv_set_promiscuous_mode(struct ieee802154_local *local, bool on) 
		return -EOPNOTSUPP;

	}



	return local->ops->set_promiscuous_mode(&local->hw, on);

	trace_802154_drv_set_promiscuous_mode(local, on);

	ret = local->ops->set_promiscuous_mode(&local->hw, on);

	trace_802154_drv_return_int(local, ret);

	return ret;

}



#endif /* __MAC802154_DRIVER_OPS */

net/mac802154/trace.c

0 → 100644
+9 −0
Original line number Diff line number Diff line 
#include <linux/module.h>



#ifndef __CHECKER__

#include <net/cfg802154.h>

#include "driver-ops.h"

#define CREATE_TRACE_POINTS

#include "trace.h"



#endif

net/mac802154/trace.h

0 → 100644
+272 −0
Original line number Diff line number Diff line 
/* Based on net/mac80211/trace.h */



#undef TRACE_SYSTEM

#define TRACE_SYSTEM mac802154



#if !defined(__MAC802154_DRIVER_TRACE) || defined(TRACE_HEADER_MULTI_READ)

#define __MAC802154_DRIVER_TRACE



#include <linux/tracepoint.h>



#include <net/mac802154.h>

#include "ieee802154_i.h"



#define MAXNAME		32

#define LOCAL_ENTRY	__array(char, wpan_phy_name, MAXNAME)

#define LOCAL_ASSIGN	strlcpy(__entry->wpan_phy_name, \

				wpan_phy_name(local->hw.phy), MAXNAME)

#define LOCAL_PR_FMT	"%s"

#define LOCAL_PR_ARG	__entry->wpan_phy_name



#define CCA_ENTRY __field(enum nl802154_cca_modes, cca_mode) \

		  __field(enum nl802154_cca_opts, cca_opt)

#define CCA_ASSIGN \

	do {                                     \

		(__entry->cca_mode) = cca->mode; \

		(__entry->cca_opt) = cca->opt;   \

	} while (0)

#define CCA_PR_FMT "cca_mode: %d, cca_opt: %d"

#define CCA_PR_ARG __entry->cca_mode, __entry->cca_opt



#define BOOL_TO_STR(bo) (bo) ? "true" : "false"



/* Tracing for driver callbacks */



DECLARE_EVENT_CLASS(local_only_evt,

	TP_PROTO(struct ieee802154_local *local),

	TP_ARGS(local),

	TP_STRUCT__entry(

		LOCAL_ENTRY

	),

	TP_fast_assign(

		LOCAL_ASSIGN;

	),

	TP_printk(LOCAL_PR_FMT, LOCAL_PR_ARG)

);



DEFINE_EVENT(local_only_evt, 802154_drv_return_void,

	TP_PROTO(struct ieee802154_local *local),

	TP_ARGS(local)

);



TRACE_EVENT(802154_drv_return_int,

	TP_PROTO(struct ieee802154_local *local, int ret),

	TP_ARGS(local, ret),

	TP_STRUCT__entry(

		LOCAL_ENTRY

		__field(int, ret)

	),

	TP_fast_assign(

		LOCAL_ASSIGN;

		__entry->ret = ret;

	),

	TP_printk(LOCAL_PR_FMT ", returned: %d", LOCAL_PR_ARG,

		  __entry->ret)

);



DEFINE_EVENT(local_only_evt, 802154_drv_start,

	TP_PROTO(struct ieee802154_local *local),

	TP_ARGS(local)

);



DEFINE_EVENT(local_only_evt, 802154_drv_stop,

	TP_PROTO(struct ieee802154_local *local),

	TP_ARGS(local)

);



TRACE_EVENT(802154_drv_set_channel,

	TP_PROTO(struct ieee802154_local *local, u8 page, u8 channel),

	TP_ARGS(local, page, channel),

	TP_STRUCT__entry(

		LOCAL_ENTRY

		__field(u8, page)

		__field(u8, channel)

	),

	TP_fast_assign(

		LOCAL_ASSIGN;

		__entry->page = page;

		__entry->channel = channel;

	),

	TP_printk(LOCAL_PR_FMT ", page: %d, channel: %d", LOCAL_PR_ARG,

		  __entry->page, __entry->channel)

);



TRACE_EVENT(802154_drv_set_cca_mode,

	TP_PROTO(struct ieee802154_local *local,

		 const struct wpan_phy_cca *cca),

	TP_ARGS(local, cca),

	TP_STRUCT__entry(

		LOCAL_ENTRY

		CCA_ENTRY

	),

	TP_fast_assign(

		LOCAL_ASSIGN;

		CCA_ASSIGN;

	),

	TP_printk(LOCAL_PR_FMT ", " CCA_PR_FMT, LOCAL_PR_ARG,

		  CCA_PR_ARG)

);



TRACE_EVENT(802154_drv_set_cca_ed_level,

	TP_PROTO(struct ieee802154_local *local, s32 mbm),

	TP_ARGS(local, mbm),

	TP_STRUCT__entry(

		LOCAL_ENTRY

		__field(s32, mbm)

	),

	TP_fast_assign(

		LOCAL_ASSIGN;

		__entry->mbm = mbm;

	),

	TP_printk(LOCAL_PR_FMT ", ed level: %d", LOCAL_PR_ARG,

		  __entry->mbm)

);



TRACE_EVENT(802154_drv_set_tx_power,

	TP_PROTO(struct ieee802154_local *local, s32 power),

	TP_ARGS(local, power),

	TP_STRUCT__entry(

		LOCAL_ENTRY

		__field(s32, power)

	),

	TP_fast_assign(

		LOCAL_ASSIGN;

		__entry->power = power;

	),

	TP_printk(LOCAL_PR_FMT ", mbm: %d", LOCAL_PR_ARG,

		 __entry->power)

);



TRACE_EVENT(802154_drv_set_lbt_mode,

	TP_PROTO(struct ieee802154_local *local, bool mode),

	TP_ARGS(local, mode),

	TP_STRUCT__entry(

		LOCAL_ENTRY

		__field(bool, mode)

	),

	TP_fast_assign(

		LOCAL_ASSIGN;

		__entry->mode = mode;

	),

	TP_printk(LOCAL_PR_FMT ", lbt mode: %s", LOCAL_PR_ARG,

		  BOOL_TO_STR(__entry->mode))

);



TRACE_EVENT(802154_drv_set_short_addr,

	TP_PROTO(struct ieee802154_local *local, __le16 short_addr),

	TP_ARGS(local, short_addr),

	TP_STRUCT__entry(

		LOCAL_ENTRY

		__field(__le16, short_addr)

	),

	TP_fast_assign(

		LOCAL_ASSIGN;

		__entry->short_addr = short_addr;

	),

	TP_printk(LOCAL_PR_FMT ", short addr: 0x%04x", LOCAL_PR_ARG,

		  le16_to_cpu(__entry->short_addr))

);



TRACE_EVENT(802154_drv_set_pan_id,

	TP_PROTO(struct ieee802154_local *local, __le16 pan_id),

	TP_ARGS(local, pan_id),

	TP_STRUCT__entry(

		LOCAL_ENTRY

		__field(__le16, pan_id)

	),

	TP_fast_assign(

		LOCAL_ASSIGN;

		__entry->pan_id = pan_id;

	),

	TP_printk(LOCAL_PR_FMT ", pan id: 0x%04x", LOCAL_PR_ARG,

		  le16_to_cpu(__entry->pan_id))

);



TRACE_EVENT(802154_drv_set_extended_addr,

	TP_PROTO(struct ieee802154_local *local, __le64 extended_addr),

	TP_ARGS(local, extended_addr),

	TP_STRUCT__entry(

		LOCAL_ENTRY

		__field(__le64, extended_addr)

	),

	TP_fast_assign(

		LOCAL_ASSIGN;

		__entry->extended_addr = extended_addr;

	),

	TP_printk(LOCAL_PR_FMT ", extended addr: 0x%llx", LOCAL_PR_ARG,

		  le64_to_cpu(__entry->extended_addr))

);



TRACE_EVENT(802154_drv_set_pan_coord,

	TP_PROTO(struct ieee802154_local *local, bool is_coord),

	TP_ARGS(local, is_coord),

	TP_STRUCT__entry(

		LOCAL_ENTRY

		__field(bool, is_coord)

	),

	TP_fast_assign(

		LOCAL_ASSIGN;

		__entry->is_coord = is_coord;

	),

	TP_printk(LOCAL_PR_FMT ", is_coord: %s", LOCAL_PR_ARG,

		  BOOL_TO_STR(__entry->is_coord))

);



TRACE_EVENT(802154_drv_set_csma_params,

	TP_PROTO(struct ieee802154_local *local, u8 min_be, u8 max_be,

		 u8 max_csma_backoffs),

	TP_ARGS(local, min_be, max_be, max_csma_backoffs),

	TP_STRUCT__entry(

		LOCAL_ENTRY

		__field(u8, min_be)

		__field(u8, max_be)

		__field(u8, max_csma_backoffs)

	),

	TP_fast_assign(

		LOCAL_ASSIGN,

		__entry->min_be = min_be;

		__entry->max_be = max_be;

		__entry->max_csma_backoffs = max_csma_backoffs;

	),

	TP_printk(LOCAL_PR_FMT ", min be: %d, max be: %d, max csma backoffs: %d",

		  LOCAL_PR_ARG, __entry->min_be, __entry->max_be,

		  __entry->max_csma_backoffs)

);



TRACE_EVENT(802154_drv_set_max_frame_retries,

	TP_PROTO(struct ieee802154_local *local, s8 max_frame_retries),

	TP_ARGS(local, max_frame_retries),

	TP_STRUCT__entry(

		LOCAL_ENTRY

		__field(s8, max_frame_retries)

	),

	TP_fast_assign(

		LOCAL_ASSIGN;

		__entry->max_frame_retries = max_frame_retries;

	),

	TP_printk(LOCAL_PR_FMT ", max frame retries: %d", LOCAL_PR_ARG,

		  __entry->max_frame_retries)

);



TRACE_EVENT(802154_drv_set_promiscuous_mode,

	TP_PROTO(struct ieee802154_local *local, bool on),

	TP_ARGS(local, on),

	TP_STRUCT__entry(

		LOCAL_ENTRY

		__field(bool, on)

	),

	TP_fast_assign(

		LOCAL_ASSIGN;

		__entry->on = on;

	),

	TP_printk(LOCAL_PR_FMT ", promiscuous mode: %s", LOCAL_PR_ARG,

		  BOOL_TO_STR(__entry->on))

);



#endif /* !__MAC802154_DRIVER_TRACE || TRACE_HEADER_MULTI_READ */



#undef TRACE_INCLUDE_PATH

#define TRACE_INCLUDE_PATH .

#undef TRACE_INCLUDE_FILE

#define TRACE_INCLUDE_FILE trace

#include <trace/define_trace.h>

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