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mac802154: add trace functionality for driver ops 

This patch adds trace events for driver operations.

Signed-off-by: Varka Bhadram <varkab@cdac.in>
Acked-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Varka Bhadram 2015-06-01 14:22:26 +05:30 committed by Marcel Holtmann
parent 1caf6f476e
commit 0ecc4e688b
4 changed files with 362 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
net/mac802154/Makefile
View File

@ -1,5 +1,7 @@
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__

92
net/mac802154/driver-ops.h
View File

@ -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 */

9
net/mac802154/trace.c Normal file
View File

@ -0,0 +1,9 @@
#include <linux/module.h>
#ifndef __CHECKER__
#include <net/cfg802154.h>
#include "driver-ops.h"
#define CREATE_TRACE_POINTS
#include "trace.h"
#endif

272
net/mac802154/trace.h Normal file
View File

@ -0,0 +1,272 @@
/* 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>