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ath9k: Add PER to RC debug statistics 

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
hifive-unleashed-5.1
Sujith 2009-02-20 15:13:20 +05:30 committed by John W. Linville
parent d9ae96d94a
commit 9e71279084
3 changed files with 14 additions and 10 deletions
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12
drivers/net/wireless/ath9k/debug.c
View File

@ -258,13 +258,14 @@ void ath_debug_stat_rc(struct ath_softc *sc, struct sk_buff *skb)
/* FIXME: legacy rates, later on .. */
void ath_debug_stat_retries(struct ath_softc *sc, int rix,
int xretries, int retries)
int xretries, int retries, u8 per)
{
if (conf_is_ht(&sc->hw->conf)) {
int idx = sc->cur_rate_table->info[rix].dot11rate;
sc->debug.stats.n_rcstats[idx].xretries += xretries;
sc->debug.stats.n_rcstats[idx].retries += retries;
sc->debug.stats.n_rcstats[idx].per = per;
}
}
@ -277,15 +278,16 @@ static ssize_t ath_read_file_stat_11n_rc(struct file *file,
unsigned int len = 0;
int i = 0;
len += sprintf(buf, "%7s %13s %8s %8s\n\n", "Rate", "Success",
"Retries", "XRetries");
len += sprintf(buf, "%7s %13s %8s %8s %6s\n\n", "Rate", "Success",
"Retries", "XRetries", "PER");
for (i = 0; i <= 15; i++) {
len += snprintf(buf + len, sizeof(buf) - len,
"%5s%3d: %8u %8u %8u\n", "MCS", i,
"%5s%3d: %8u %8u %8u %8u\n", "MCS", i,
sc->debug.stats.n_rcstats[i].success,
sc->debug.stats.n_rcstats[i].retries,
sc->debug.stats.n_rcstats[i].xretries);
sc->debug.stats.n_rcstats[i].xretries,
sc->debug.stats.n_rcstats[i].per);
}
return simple_read_from_buffer(user_buf, count, ppos, buf, len);

9
drivers/net/wireless/ath9k/debug.h
View File

@ -91,12 +91,13 @@ struct ath_11n_rc_stats {
u32 success;
u32 retries;
u32 xretries;
u8 per;
};
struct ath_stats {
struct ath_interrupt_stats istats;
struct ath_legacy_rc_stats legacy_rcstats[12]; /* max(11a,11b,11g) */
struct ath_11n_rc_stats n_rcstats[16]; /* 0..15 MCS rates */
struct ath_legacy_rc_stats legacy_rcstats[12]; /* max(11a,11b,11g) */
struct ath_11n_rc_stats n_rcstats[16]; /* 0..15 MCS rates */
};
struct ath9k_debug {
@ -115,7 +116,7 @@ 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);
int xretries, int retries, u8 per);
#else
@ -144,7 +145,7 @@ 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)
int xretries, int retries, u8 per)
{
}

3
drivers/net/wireless/ath9k/rc.c
View File

@ -1267,7 +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);
ath_debug_stat_retries(sc, tx_rate, xretries, retries,
ath_rc_priv->state[tx_rate].per);
#undef CHK_RSSI
}