aboutsummaryrefslogtreecommitdiff
path: root/drivers/net
diff options
context:
space:
mode:
authorSujith <Sujith.Manoharan@atheros.com>2009-02-04 08:10:26 +0530
committerJohn W. Linville <linville@tuxdriver.com>2009-02-11 11:44:22 -0500
commit029bc43270e770e0d57d67dc431fe711c58e74f5 (patch)
treec9f2247642743c97ef803c4fdefde8b7e2746af4 /drivers/net
parentd42c6b71a8e722e00a302e7e3365909560de478a (diff)
ath9k: Add retry counters to rate control debug file
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/wireless/ath9k/core.h9
-rw-r--r--drivers/net/wireless/ath9k/debug.c23
-rw-r--r--drivers/net/wireless/ath9k/rc.c2
3 files changed, 30 insertions, 4 deletions
diff --git a/drivers/net/wireless/ath9k/core.h b/drivers/net/wireless/ath9k/core.h
index 63d3eb6cda8..64fc5c269f2 100644
--- a/drivers/net/wireless/ath9k/core.h
+++ b/drivers/net/wireless/ath9k/core.h
@@ -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 {
diff --git a/drivers/net/wireless/ath9k/debug.c b/drivers/net/wireless/ath9k/debug.c
index 6181e49eecb..2de1b8a57b9 100644
--- a/drivers/net/wireless/ath9k/debug.c
+++ b/drivers/net/wireless/ath9k/debug.c
@@ -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);
diff --git a/drivers/net/wireless/ath9k/rc.c b/drivers/net/wireless/ath9k/rc.c
index 704b6277814..69a4ca46ce9 100644
--- a/drivers/net/wireless/ath9k/rc.c
+++ b/drivers/net/wireless/ath9k/rc.c
@@ -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
}