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authorSujith <Sujith.Manoharan@atheros.com>2009-02-20 15:13:20 +0530
committerJohn W. Linville <linville@tuxdriver.com>2009-02-27 14:52:49 -0500
commit9e7127908473bfb863c5064b0a61d0f0d6b1af46 (patch)
treeaa58b869ebf4e36764ae058d678b58dc3d8bb526
parentd9ae96d94a9117fa8d80dd4881f5835f9112c449 (diff)
ath9k: Add PER to RC debug statistics
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r--drivers/net/wireless/ath9k/debug.c12
-rw-r--r--drivers/net/wireless/ath9k/debug.h9
-rw-r--r--drivers/net/wireless/ath9k/rc.c3
3 files changed, 14 insertions, 10 deletions
diff --git a/drivers/net/wireless/ath9k/debug.c b/drivers/net/wireless/ath9k/debug.c
index 800ad5926b6..0c422c50e4f 100644
--- a/drivers/net/wireless/ath9k/debug.c
+++ b/drivers/net/wireless/ath9k/debug.c
@@ -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);
diff --git a/drivers/net/wireless/ath9k/debug.h b/drivers/net/wireless/ath9k/debug.h
index 61e969894c0..01681f2d054 100644
--- a/drivers/net/wireless/ath9k/debug.h
+++ b/drivers/net/wireless/ath9k/debug.h
@@ -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)
{
}
diff --git a/drivers/net/wireless/ath9k/rc.c b/drivers/net/wireless/ath9k/rc.c
index 0e3e2b7dd2e..cf0559f183a 100644
--- a/drivers/net/wireless/ath9k/rc.c
+++ b/drivers/net/wireless/ath9k/rc.c
@@ -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
}