Signed-off-by: Zefir Kurtisi <zefir.kurtisi@xxxxxxxxxxx>
---
drivers/net/wireless/ath/ath9k/debug.c | 51 ++++++++++++++++++++++++++++++++
drivers/net/wireless/ath/ath9k/debug.h | 29 ++++++++++++++++++
2 files changed, 80 insertions(+), 0 deletions(-)
diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index cdece82..6ad2266 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -89,6 +89,53 @@ static const struct file_operations fops_debug = {
#endif
+
+#ifdef CONFIG_ATH9K_DFS
+
+#define DFS_STAT(s, p) \
+ len += snprintf(buf + len, size - len, "%28s : %10u\n", s, \
+ sc->debug.stats.dfs_stats.p);
+
+static ssize_t read_file_dfs(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath_softc *sc = file->private_data;
+ char *buf;
+ unsigned int len = 0, size = 8000;
+ ssize_t retval = 0;
+
+ buf = kzalloc(size, GFP_KERNEL);
+ if (buf == NULL)
+ return -ENOMEM;
+
+ DFS_STAT("DFS pulses detected ", pulses_detected);
+ DFS_STAT("Datalen discards ", datalen_discards);
+ DFS_STAT("RSSI discards ", rssi_discards);
+ DFS_STAT("BW info discards ", bwinfo_discards);
+ DFS_STAT("Primary channel pulses ", pri_phy_errors);
+ DFS_STAT("Secondary channel pulses", ext_phy_errors);
+ DFS_STAT("Dual channel pulses ", dc_phy_errors);
+
+ if (len > size)
+ len = size;
+
+ retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
+ kfree(buf);
+
+ return retval;
+}
+
+
+static const struct file_operations fops_dfs_stats = {
+ .read = read_file_dfs,
+ .open = ath9k_debugfs_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+#endif /* CONFIG_ATH9K_DFS */
+
+
+
#define DMA_BUF_LEN 1024
static ssize_t read_file_tx_chainmask(struct file *file, char __user *user_buf,
@@ -1385,6 +1432,10 @@ int ath9k_init_debug(struct ath_hw *ah)
debugfs_create_u32("chanbw", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
&sc->chan_bw);
+#ifdef CONFIG_ATH9K_DFS
+ debugfs_create_file("dfs_stats", S_IRUSR, sc->debug.debugfs_phy, sc,
+ &fops_dfs_stats);
+#endif
sc->debug.regidx = 0;
return 0;
}
diff --git a/drivers/net/wireless/ath/ath9k/debug.h b/drivers/net/wireless/ath/ath9k/debug.h
index 4a04510..3a3c3b7 100644
--- a/drivers/net/wireless/ath/ath9k/debug.h
+++ b/drivers/net/wireless/ath/ath9k/debug.h
@@ -25,8 +25,10 @@ struct ath_buf;
#ifdef CONFIG_ATH9K_DEBUGFS
#define TX_STAT_INC(q, c) sc->debug.stats.txstats[q].c++
+#define DFS_STAT_INC(sc, c) (sc->debug.stats.dfs_stats.c++)
#else
#define TX_STAT_INC(q, c) do { } while (0)
+#define DFS_STAT_INC(sc, c) do { } while (0)
#endif
#ifdef CONFIG_ATH9K_DEBUGFS
@@ -171,10 +173,37 @@ struct ath_rx_stats {
u8 rs_antenna;
};
+#ifdef CONFIG_ATH9K_DFS
+/**
+ * struct ath_dfs_stats - DFS Statistics
+ *
+ * @pulses_detected: No. of pulses detected so far
+ * @datalen_discards: No. of pulses discarded due to invalid datalen
+ * @rssi_discards: No. of pulses discarded due to invalid RSSI
+ * @bwinfo_discards: No. of pulses discarded due to invalid BW info
+ * @pri_phy_errors: No. of pulses reported for primary channel
+ * @ext_phy_errors: No. of pulses reported for extension channel
+ * @dc_phy_errors: No. of pulses reported for primary + extension channel
+ */
+struct ath_dfs_stats {
+ u32 pulses_detected;
+ u32 datalen_discards;
+ u32 rssi_discards;
+ u32 bwinfo_discards;
+ u32 pri_phy_errors;
+ u32 ext_phy_errors;
+ u32 dc_phy_errors;
+};
+#endif
+
+
struct ath_stats {
struct ath_interrupt_stats istats;
struct ath_tx_stats txstats[ATH9K_NUM_TX_QUEUES];
struct ath_rx_stats rxstats;
+#ifdef CONFIG_ATH9K_DFS
+ struct ath_dfs_stats dfs_stats;
+#endif
};
struct ath9k_debug {
--
1.7.4.1
--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
