alistair23-linux/net/mac80211/driver-trace.h
Johannes Berg 0f78231bff mac80211: enable spatial multiplexing powersave
Enable spatial multiplexing in mac80211 by telling the
driver what to do and, where necessary, sending action
frames to the AP to update the requested SMPS mode.

Also includes a trivial implementation for hwsim that
just logs the requested mode.

For now, the userspace interface is in debugfs only,
and let you toggle the requested mode at any time.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-12-22 13:31:16 -05:00

700 lines
14 KiB
C

#if !defined(__MAC80211_DRIVER_TRACE) || defined(TRACE_HEADER_MULTI_READ)
#define __MAC80211_DRIVER_TRACE
#include <linux/tracepoint.h>
#include <net/mac80211.h>
#include "ieee80211_i.h"
#if !defined(CONFIG_MAC80211_DRIVER_API_TRACER) || defined(__CHECKER__)
#undef TRACE_EVENT
#define TRACE_EVENT(name, proto, ...) \
static inline void trace_ ## name(proto) {}
#endif
#undef TRACE_SYSTEM
#define TRACE_SYSTEM mac80211
#define MAXNAME 32
#define LOCAL_ENTRY __array(char, wiphy_name, 32)
#define LOCAL_ASSIGN strlcpy(__entry->wiphy_name, wiphy_name(local->hw.wiphy), MAXNAME)
#define LOCAL_PR_FMT "%s"
#define LOCAL_PR_ARG __entry->wiphy_name
#define STA_ENTRY __array(char, sta_addr, ETH_ALEN)
#define STA_ASSIGN (sta ? memcpy(__entry->sta_addr, sta->addr, ETH_ALEN) : memset(__entry->sta_addr, 0, ETH_ALEN))
#define STA_PR_FMT " sta:%pM"
#define STA_PR_ARG __entry->sta_addr
#define VIF_ENTRY __field(enum nl80211_iftype, vif_type) __field(void *, sdata) \
__string(vif_name, sdata->dev ? sdata->dev->name : "<nodev>")
#define VIF_ASSIGN __entry->vif_type = sdata->vif.type; __entry->sdata = sdata; \
__assign_str(vif_name, sdata->dev ? sdata->dev->name : "<nodev>")
#define VIF_PR_FMT " vif:%s(%d)"
#define VIF_PR_ARG __get_str(vif_name), __entry->vif_type
TRACE_EVENT(drv_start,
TP_PROTO(struct ieee80211_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, LOCAL_PR_ARG
)
);
TRACE_EVENT(drv_stop,
TP_PROTO(struct ieee80211_local *local),
TP_ARGS(local),
TP_STRUCT__entry(
LOCAL_ENTRY
),
TP_fast_assign(
LOCAL_ASSIGN;
),
TP_printk(
LOCAL_PR_FMT, LOCAL_PR_ARG
)
);
TRACE_EVENT(drv_add_interface,
TP_PROTO(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata,
int ret),
TP_ARGS(local, sdata, ret),
TP_STRUCT__entry(
LOCAL_ENTRY
VIF_ENTRY
__array(char, addr, 6)
__field(int, ret)
),
TP_fast_assign(
LOCAL_ASSIGN;
VIF_ASSIGN;
memcpy(__entry->addr, sdata->vif.addr, 6);
__entry->ret = ret;
),
TP_printk(
LOCAL_PR_FMT VIF_PR_FMT " addr:%pM ret:%d",
LOCAL_PR_ARG, VIF_PR_ARG, __entry->addr, __entry->ret
)
);
TRACE_EVENT(drv_remove_interface,
TP_PROTO(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata),
TP_ARGS(local, sdata),
TP_STRUCT__entry(
LOCAL_ENTRY
VIF_ENTRY
__array(char, addr, 6)
),
TP_fast_assign(
LOCAL_ASSIGN;
VIF_ASSIGN;
memcpy(__entry->addr, sdata->vif.addr, 6);
),
TP_printk(
LOCAL_PR_FMT VIF_PR_FMT " addr:%pM",
LOCAL_PR_ARG, VIF_PR_ARG, __entry->addr
)
);
TRACE_EVENT(drv_config,
TP_PROTO(struct ieee80211_local *local,
u32 changed,
int ret),
TP_ARGS(local, changed, ret),
TP_STRUCT__entry(
LOCAL_ENTRY
__field(u32, changed)
__field(int, ret)
__field(u32, flags)
__field(int, power_level)
__field(int, dynamic_ps_timeout)
__field(int, max_sleep_period)
__field(u16, listen_interval)
__field(u8, long_frame_max_tx_count)
__field(u8, short_frame_max_tx_count)
__field(int, center_freq)
__field(int, channel_type)
__field(int, smps)
),
TP_fast_assign(
LOCAL_ASSIGN;
__entry->changed = changed;
__entry->ret = ret;
__entry->flags = local->hw.conf.flags;
__entry->power_level = local->hw.conf.power_level;
__entry->dynamic_ps_timeout = local->hw.conf.dynamic_ps_timeout;
__entry->max_sleep_period = local->hw.conf.max_sleep_period;
__entry->listen_interval = local->hw.conf.listen_interval;
__entry->long_frame_max_tx_count = local->hw.conf.long_frame_max_tx_count;
__entry->short_frame_max_tx_count = local->hw.conf.short_frame_max_tx_count;
__entry->center_freq = local->hw.conf.channel->center_freq;
__entry->channel_type = local->hw.conf.channel_type;
__entry->smps = local->hw.conf.smps_mode;
),
TP_printk(
LOCAL_PR_FMT " ch:%#x freq:%d ret:%d",
LOCAL_PR_ARG, __entry->changed, __entry->center_freq, __entry->ret
)
);
TRACE_EVENT(drv_bss_info_changed,
TP_PROTO(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata,
struct ieee80211_bss_conf *info,
u32 changed),
TP_ARGS(local, sdata, info, changed),
TP_STRUCT__entry(
LOCAL_ENTRY
VIF_ENTRY
__field(bool, assoc)
__field(u16, aid)
__field(bool, cts)
__field(bool, shortpre)
__field(bool, shortslot)
__field(u8, dtimper)
__field(u16, bcnint)
__field(u16, assoc_cap)
__field(u64, timestamp)
__field(u32, basic_rates)
__field(u32, changed)
__field(bool, enable_beacon)
__field(u16, ht_operation_mode)
),
TP_fast_assign(
LOCAL_ASSIGN;
VIF_ASSIGN;
__entry->changed = changed;
__entry->aid = info->aid;
__entry->assoc = info->assoc;
__entry->shortpre = info->use_short_preamble;
__entry->cts = info->use_cts_prot;
__entry->shortslot = info->use_short_slot;
__entry->dtimper = info->dtim_period;
__entry->bcnint = info->beacon_int;
__entry->assoc_cap = info->assoc_capability;
__entry->timestamp = info->timestamp;
__entry->basic_rates = info->basic_rates;
__entry->enable_beacon = info->enable_beacon;
__entry->ht_operation_mode = info->ht_operation_mode;
),
TP_printk(
LOCAL_PR_FMT VIF_PR_FMT " changed:%#x",
LOCAL_PR_ARG, VIF_PR_ARG, __entry->changed
)
);
TRACE_EVENT(drv_prepare_multicast,
TP_PROTO(struct ieee80211_local *local, int mc_count, u64 ret),
TP_ARGS(local, mc_count, ret),
TP_STRUCT__entry(
LOCAL_ENTRY
__field(int, mc_count)
__field(u64, ret)
),
TP_fast_assign(
LOCAL_ASSIGN;
__entry->mc_count = mc_count;
__entry->ret = ret;
),
TP_printk(
LOCAL_PR_FMT " prepare mc (%d): %llx",
LOCAL_PR_ARG, __entry->mc_count,
(unsigned long long) __entry->ret
)
);
TRACE_EVENT(drv_configure_filter,
TP_PROTO(struct ieee80211_local *local,
unsigned int changed_flags,
unsigned int *total_flags,
u64 multicast),
TP_ARGS(local, changed_flags, total_flags, multicast),
TP_STRUCT__entry(
LOCAL_ENTRY
__field(unsigned int, changed)
__field(unsigned int, total)
__field(u64, multicast)
),
TP_fast_assign(
LOCAL_ASSIGN;
__entry->changed = changed_flags;
__entry->total = *total_flags;
__entry->multicast = multicast;
),
TP_printk(
LOCAL_PR_FMT " changed:%#x total:%#x",
LOCAL_PR_ARG, __entry->changed, __entry->total
)
);
TRACE_EVENT(drv_set_tim,
TP_PROTO(struct ieee80211_local *local,
struct ieee80211_sta *sta, bool set, int ret),
TP_ARGS(local, sta, set, ret),
TP_STRUCT__entry(
LOCAL_ENTRY
STA_ENTRY
__field(bool, set)
__field(int, ret)
),
TP_fast_assign(
LOCAL_ASSIGN;
STA_ASSIGN;
__entry->set = set;
__entry->ret = ret;
),
TP_printk(
LOCAL_PR_FMT STA_PR_FMT " set:%d ret:%d",
LOCAL_PR_ARG, STA_PR_FMT, __entry->set, __entry->ret
)
);
TRACE_EVENT(drv_set_key,
TP_PROTO(struct ieee80211_local *local,
enum set_key_cmd cmd, struct ieee80211_sub_if_data *sdata,
struct ieee80211_sta *sta,
struct ieee80211_key_conf *key, int ret),
TP_ARGS(local, cmd, sdata, sta, key, ret),
TP_STRUCT__entry(
LOCAL_ENTRY
VIF_ENTRY
STA_ENTRY
__field(enum ieee80211_key_alg, alg)
__field(u8, hw_key_idx)
__field(u8, flags)
__field(s8, keyidx)
__field(int, ret)
),
TP_fast_assign(
LOCAL_ASSIGN;
VIF_ASSIGN;
STA_ASSIGN;
__entry->alg = key->alg;
__entry->flags = key->flags;
__entry->keyidx = key->keyidx;
__entry->hw_key_idx = key->hw_key_idx;
__entry->ret = ret;
),
TP_printk(
LOCAL_PR_FMT VIF_PR_FMT STA_PR_FMT " ret:%d",
LOCAL_PR_ARG, VIF_PR_ARG, STA_PR_ARG, __entry->ret
)
);
TRACE_EVENT(drv_update_tkip_key,
TP_PROTO(struct ieee80211_local *local,
struct ieee80211_key_conf *conf,
const u8 *address, u32 iv32),
TP_ARGS(local, conf, address, iv32),
TP_STRUCT__entry(
LOCAL_ENTRY
__array(u8, addr, 6)
__field(u32, iv32)
),
TP_fast_assign(
LOCAL_ASSIGN;
memcpy(__entry->addr, address, 6);
__entry->iv32 = iv32;
),
TP_printk(
LOCAL_PR_FMT " addr:%pM iv32:%#x",
LOCAL_PR_ARG, __entry->addr, __entry->iv32
)
);
TRACE_EVENT(drv_hw_scan,
TP_PROTO(struct ieee80211_local *local,
struct cfg80211_scan_request *req, int ret),
TP_ARGS(local, req, ret),
TP_STRUCT__entry(
LOCAL_ENTRY
__field(int, ret)
),
TP_fast_assign(
LOCAL_ASSIGN;
__entry->ret = ret;
),
TP_printk(
LOCAL_PR_FMT " ret:%d",
LOCAL_PR_ARG, __entry->ret
)
);
TRACE_EVENT(drv_sw_scan_start,
TP_PROTO(struct ieee80211_local *local),
TP_ARGS(local),
TP_STRUCT__entry(
LOCAL_ENTRY
),
TP_fast_assign(
LOCAL_ASSIGN;
),
TP_printk(
LOCAL_PR_FMT, LOCAL_PR_ARG
)
);
TRACE_EVENT(drv_sw_scan_complete,
TP_PROTO(struct ieee80211_local *local),
TP_ARGS(local),
TP_STRUCT__entry(
LOCAL_ENTRY
),
TP_fast_assign(
LOCAL_ASSIGN;
),
TP_printk(
LOCAL_PR_FMT, LOCAL_PR_ARG
)
);
TRACE_EVENT(drv_get_stats,
TP_PROTO(struct ieee80211_local *local,
struct ieee80211_low_level_stats *stats,
int ret),
TP_ARGS(local, stats, ret),
TP_STRUCT__entry(
LOCAL_ENTRY
__field(int, ret)
__field(unsigned int, ackfail)
__field(unsigned int, rtsfail)
__field(unsigned int, fcserr)
__field(unsigned int, rtssucc)
),
TP_fast_assign(
LOCAL_ASSIGN;
__entry->ret = ret;
__entry->ackfail = stats->dot11ACKFailureCount;
__entry->rtsfail = stats->dot11RTSFailureCount;
__entry->fcserr = stats->dot11FCSErrorCount;
__entry->rtssucc = stats->dot11RTSSuccessCount;
),
TP_printk(
LOCAL_PR_FMT " ret:%d",
LOCAL_PR_ARG, __entry->ret
)
);
TRACE_EVENT(drv_get_tkip_seq,
TP_PROTO(struct ieee80211_local *local,
u8 hw_key_idx, u32 *iv32, u16 *iv16),
TP_ARGS(local, hw_key_idx, iv32, iv16),
TP_STRUCT__entry(
LOCAL_ENTRY
__field(u8, hw_key_idx)
__field(u32, iv32)
__field(u16, iv16)
),
TP_fast_assign(
LOCAL_ASSIGN;
__entry->hw_key_idx = hw_key_idx;
__entry->iv32 = *iv32;
__entry->iv16 = *iv16;
),
TP_printk(
LOCAL_PR_FMT, LOCAL_PR_ARG
)
);
TRACE_EVENT(drv_set_rts_threshold,
TP_PROTO(struct ieee80211_local *local, u32 value, int ret),
TP_ARGS(local, value, ret),
TP_STRUCT__entry(
LOCAL_ENTRY
__field(u32, value)
__field(int, ret)
),
TP_fast_assign(
LOCAL_ASSIGN;
__entry->ret = ret;
__entry->value = value;
),
TP_printk(
LOCAL_PR_FMT " value:%d ret:%d",
LOCAL_PR_ARG, __entry->value, __entry->ret
)
);
TRACE_EVENT(drv_sta_notify,
TP_PROTO(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata,
enum sta_notify_cmd cmd,
struct ieee80211_sta *sta),
TP_ARGS(local, sdata, cmd, sta),
TP_STRUCT__entry(
LOCAL_ENTRY
VIF_ENTRY
STA_ENTRY
__field(u32, cmd)
),
TP_fast_assign(
LOCAL_ASSIGN;
VIF_ASSIGN;
STA_ASSIGN;
__entry->cmd = cmd;
),
TP_printk(
LOCAL_PR_FMT VIF_PR_FMT STA_PR_FMT " cmd:%d",
LOCAL_PR_ARG, VIF_PR_ARG, STA_PR_ARG, __entry->cmd
)
);
TRACE_EVENT(drv_conf_tx,
TP_PROTO(struct ieee80211_local *local, u16 queue,
const struct ieee80211_tx_queue_params *params,
int ret),
TP_ARGS(local, queue, params, ret),
TP_STRUCT__entry(
LOCAL_ENTRY
__field(u16, queue)
__field(u16, txop)
__field(u16, cw_min)
__field(u16, cw_max)
__field(u8, aifs)
__field(int, ret)
),
TP_fast_assign(
LOCAL_ASSIGN;
__entry->queue = queue;
__entry->ret = ret;
__entry->txop = params->txop;
__entry->cw_max = params->cw_max;
__entry->cw_min = params->cw_min;
__entry->aifs = params->aifs;
),
TP_printk(
LOCAL_PR_FMT " queue:%d ret:%d",
LOCAL_PR_ARG, __entry->queue, __entry->ret
)
);
TRACE_EVENT(drv_get_tx_stats,
TP_PROTO(struct ieee80211_local *local,
struct ieee80211_tx_queue_stats *stats,
int ret),
TP_ARGS(local, stats, ret),
TP_STRUCT__entry(
LOCAL_ENTRY
__field(int, ret)
),
TP_fast_assign(
LOCAL_ASSIGN;
__entry->ret = ret;
),
TP_printk(
LOCAL_PR_FMT " ret:%d",
LOCAL_PR_ARG, __entry->ret
)
);
TRACE_EVENT(drv_get_tsf,
TP_PROTO(struct ieee80211_local *local, u64 ret),
TP_ARGS(local, ret),
TP_STRUCT__entry(
LOCAL_ENTRY
__field(u64, ret)
),
TP_fast_assign(
LOCAL_ASSIGN;
__entry->ret = ret;
),
TP_printk(
LOCAL_PR_FMT " ret:%llu",
LOCAL_PR_ARG, (unsigned long long)__entry->ret
)
);
TRACE_EVENT(drv_set_tsf,
TP_PROTO(struct ieee80211_local *local, u64 tsf),
TP_ARGS(local, tsf),
TP_STRUCT__entry(
LOCAL_ENTRY
__field(u64, tsf)
),
TP_fast_assign(
LOCAL_ASSIGN;
__entry->tsf = tsf;
),
TP_printk(
LOCAL_PR_FMT " tsf:%llu",
LOCAL_PR_ARG, (unsigned long long)__entry->tsf
)
);
TRACE_EVENT(drv_reset_tsf,
TP_PROTO(struct ieee80211_local *local),
TP_ARGS(local),
TP_STRUCT__entry(
LOCAL_ENTRY
),
TP_fast_assign(
LOCAL_ASSIGN;
),
TP_printk(
LOCAL_PR_FMT, LOCAL_PR_ARG
)
);
TRACE_EVENT(drv_tx_last_beacon,
TP_PROTO(struct ieee80211_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 " ret:%d",
LOCAL_PR_ARG, __entry->ret
)
);
TRACE_EVENT(drv_ampdu_action,
TP_PROTO(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata,
enum ieee80211_ampdu_mlme_action action,
struct ieee80211_sta *sta, u16 tid,
u16 *ssn, int ret),
TP_ARGS(local, sdata, action, sta, tid, ssn, ret),
TP_STRUCT__entry(
LOCAL_ENTRY
STA_ENTRY
__field(u32, action)
__field(u16, tid)
__field(u16, ssn)
__field(int, ret)
VIF_ENTRY
),
TP_fast_assign(
LOCAL_ASSIGN;
VIF_ASSIGN;
STA_ASSIGN;
__entry->ret = ret;
__entry->action = action;
__entry->tid = tid;
__entry->ssn = *ssn;
),
TP_printk(
LOCAL_PR_FMT VIF_PR_FMT STA_PR_FMT " action:%d tid:%d ret:%d",
LOCAL_PR_ARG, VIF_PR_ARG, STA_PR_ARG, __entry->action, __entry->tid, __entry->ret
)
);
#endif /* !__MAC80211_DRIVER_TRACE || TRACE_HEADER_MULTI_READ */
#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH .
#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_FILE driver-trace
#include <trace/define_trace.h>