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ath9k: Add retry counters to rate control debug file

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Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Sujith 2009-02-04 08:10:26 +05:30 committed by John W. Linville
parent d42c6b71a8
commit 029bc43270
3 changed files with 30 additions and 4 deletions
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9
drivers/net/wireless/ath9k/core.h
View File

@ -137,6 +137,8 @@ struct ath_legacy_rc_stats {
struct ath_11n_rc_stats {
u32 success;
u32 retries;
u32 xretries;
};
struct ath_stats {
@ -160,6 +162,8 @@ int ath9k_init_debug(struct ath_softc *sc);
void ath9k_exit_debug(struct ath_softc *sc);
void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status);
void ath_debug_stat_rc(struct ath_softc *sc, struct sk_buff *skb);
void ath_debug_stat_retries(struct ath_softc *sc, int rix,
int xretries, int retries);
#else
@ -187,6 +191,11 @@ static inline void ath_debug_stat_rc(struct ath_softc *sc,
{
}
static inline void ath_debug_stat_retries(struct ath_softc *sc, int rix,
int xretries, int retries)
{
}
#endif /* CONFIG_ATH9K_DEBUG */
struct ath_config {

23
drivers/net/wireless/ath9k/debug.c
View File

@ -258,21 +258,36 @@ void ath_debug_stat_rc(struct ath_softc *sc, struct sk_buff *skb)
ath_debug_stat_legacy_rc(sc, skb);
}
/* FIXME: legacy rates, later on .. */
void ath_debug_stat_retries(struct ath_softc *sc, int rix,
int xretries, int retries)
{
if (conf_is_ht(&sc->hw->conf)) {
int idx = sc->cur_rate_table->info[rix].dot11rate;
sc->sc_debug.stats.n_rcstats[idx].xretries += xretries;
sc->sc_debug.stats.n_rcstats[idx].retries += retries;
}
}
static ssize_t ath_read_file_stat_11n_rc(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath_softc *sc = file->private_data;
char buf[512];
char buf[1024];
unsigned int len = 0;
int i = 0;
len += sprintf(buf, "%7s %13s\n\n", "Rate", "Success");
len += sprintf(buf, "%7s %13s %8s %8s\n\n", "Rate", "Success",
"Retries", "XRetries");
for (i = 0; i <= 15; i++) {
len += snprintf(buf + len, sizeof(buf) - len,
"%5s%3d: %8u\n", "MCS", i,
sc->sc_debug.stats.n_rcstats[i].success);
"%5s%3d: %8u %8u %8u\n", "MCS", i,
sc->sc_debug.stats.n_rcstats[i].success,
sc->sc_debug.stats.n_rcstats[i].retries,
sc->sc_debug.stats.n_rcstats[i].xretries);
}
return simple_read_from_buffer(user_buf, count, ppos, buf, len);

2
drivers/net/wireless/ath9k/rc.c
View File

@ -1267,6 +1267,8 @@ static void ath_rc_update_ht(struct ath_softc *sc,
ath_rc_priv->per_down_time = now_msec;
}
ath_debug_stat_retries(sc, tx_rate, xretries, retries);
#undef CHK_RSSI
}