From: Sujith Manoharan <Sujith.Manoharan@xxxxxxxxxxx>
Signed-off-by: Sujith Manoharan <Sujith.Manoharan@xxxxxxxxxxx>
---
drivers/net/wireless/ath/ath9k/htc.h | 16 ++++
drivers/net/wireless/ath/ath9k/htc_drv_debug.c | 107 ++++++++++++++++++++++--
drivers/net/wireless/ath/ath9k/htc_drv_txrx.c | 2 +
3 files changed, 117 insertions(+), 8 deletions(-)
diff --git a/drivers/net/wireless/ath/ath9k/htc.h b/drivers/net/wireless/ath/ath9k/htc.h
index 20511af..0e48fa0 100644
--- a/drivers/net/wireless/ath/ath9k/htc.h
+++ b/drivers/net/wireless/ath/ath9k/htc.h
@@ -296,6 +296,9 @@ struct ath9k_htc_tx_ctl {
#define TX_QSTAT_INC(q) (priv->debug.tx_stats.queue_stats[q]++)
+void ath9k_htc_err_stat_rx(struct ath9k_htc_priv *priv,
+ struct ath_htc_rx_status *rxs);
+
struct ath_tx_stats {
u32 buf_queued;
u32 buf_completed;
@@ -310,6 +313,14 @@ struct ath_rx_stats {
u32 skb_allocated;
u32 skb_completed;
u32 skb_dropped;
+ u32 err_crc;
+ u32 err_decrypt_crc;
+ u32 err_mic;
+ u32 err_pre_delim;
+ u32 err_post_delim;
+ u32 err_decrypt_busy;
+ u32 err_phy;
+ u32 err_phy_stats[ATH9K_PHYERR_MAX];
};
struct ath9k_debug {
@@ -330,6 +341,11 @@ struct ath9k_debug {
#define TX_QSTAT_INC(c) do { } while (0)
+static inline void ath9k_htc_err_stat_rx(struct ath9k_htc_priv *priv,
+ struct ath_htc_rx_status *rxs)
+{
+}
+
#endif /* CONFIG_ATH9K_HTC_DEBUGFS */
#define ATH_LED_PIN_DEF 1
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_debug.c b/drivers/net/wireless/ath/ath9k/htc_drv_debug.c
index 8b679aa..6fc6cb7 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_debug.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_debug.c
@@ -123,27 +123,118 @@ static const struct file_operations fops_xmit = {
.llseek = default_llseek,
};
+void ath9k_htc_err_stat_rx(struct ath9k_htc_priv *priv,
+ struct ath_htc_rx_status *rxs)
+{
+#define RX_PHY_ERR_INC(c) priv->debug.rx_stats.err_phy_stats[c]++
+
+ if (rxs->rs_status & ATH9K_RXERR_CRC)
+ priv->debug.rx_stats.err_crc++;
+ if (rxs->rs_status & ATH9K_RXERR_DECRYPT)
+ priv->debug.rx_stats.err_decrypt_crc++;
+ if (rxs->rs_status & ATH9K_RXERR_MIC)
+ priv->debug.rx_stats.err_mic++;
+ if (rxs->rs_status & ATH9K_RX_DELIM_CRC_PRE)
+ priv->debug.rx_stats.err_pre_delim++;
+ if (rxs->rs_status & ATH9K_RX_DELIM_CRC_POST)
+ priv->debug.rx_stats.err_post_delim++;
+ if (rxs->rs_status & ATH9K_RX_DECRYPT_BUSY)
+ priv->debug.rx_stats.err_decrypt_busy++;
+
+ if (rxs->rs_status & ATH9K_RXERR_PHY) {
+ priv->debug.rx_stats.err_phy++;
+ if (rxs->rs_phyerr < ATH9K_PHYERR_MAX)
+ RX_PHY_ERR_INC(rxs->rs_phyerr);
+ }
+
+#undef RX_PHY_ERR_INC
+}
+
static ssize_t read_file_recv(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
+#define PHY_ERR(s, p) \
+ len += snprintf(buf + len, size - len, "%20s : %10u\n", s, \
+ priv->debug.rx_stats.err_phy_stats[p]);
+
struct ath9k_htc_priv *priv = file->private_data;
- char buf[512];
- unsigned int len = 0;
+ char *buf;
+ unsigned int len = 0, size = 1500;
+ ssize_t retval = 0;
- len += snprintf(buf + len, sizeof(buf) - len,
+ buf = kzalloc(size, GFP_KERNEL);
+ if (buf == NULL)
+ return -ENOMEM;
+
+ len += snprintf(buf + len, size - len,
"%20s : %10u\n", "SKBs allocated",
priv->debug.rx_stats.skb_allocated);
- len += snprintf(buf + len, sizeof(buf) - len,
+ len += snprintf(buf + len, size - len,
"%20s : %10u\n", "SKBs completed",
priv->debug.rx_stats.skb_completed);
- len += snprintf(buf + len, sizeof(buf) - len,
+ len += snprintf(buf + len, size - len,
"%20s : %10u\n", "SKBs Dropped",
priv->debug.rx_stats.skb_dropped);
- if (len > sizeof(buf))
- len = sizeof(buf);
-
- return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+ len += snprintf(buf + len, size - len,
+ "%20s : %10u\n", "CRC ERR",
+ priv->debug.rx_stats.err_crc);
+ len += snprintf(buf + len, size - len,
+ "%20s : %10u\n", "DECRYPT CRC ERR",
+ priv->debug.rx_stats.err_decrypt_crc);
+ len += snprintf(buf + len, size - len,
+ "%20s : %10u\n", "MIC ERR",
+ priv->debug.rx_stats.err_mic);
+ len += snprintf(buf + len, size - len,
+ "%20s : %10u\n", "PRE-DELIM CRC ERR",
+ priv->debug.rx_stats.err_pre_delim);
+ len += snprintf(buf + len, size - len,
+ "%20s : %10u\n", "POST-DELIM CRC ERR",
+ priv->debug.rx_stats.err_post_delim);
+ len += snprintf(buf + len, size - len,
+ "%20s : %10u\n", "DECRYPT BUSY ERR",
+ priv->debug.rx_stats.err_decrypt_busy);
+ len += snprintf(buf + len, size - len,
+ "%20s : %10u\n", "TOTAL PHY ERR",
+ priv->debug.rx_stats.err_phy);
+
+
+ PHY_ERR("UNDERRUN", ATH9K_PHYERR_UNDERRUN);
+ PHY_ERR("TIMING", ATH9K_PHYERR_TIMING);
+ PHY_ERR("PARITY", ATH9K_PHYERR_PARITY);
+ PHY_ERR("RATE", ATH9K_PHYERR_RATE);
+ PHY_ERR("LENGTH", ATH9K_PHYERR_LENGTH);
+ PHY_ERR("RADAR", ATH9K_PHYERR_RADAR);
+ PHY_ERR("SERVICE", ATH9K_PHYERR_SERVICE);
+ PHY_ERR("TOR", ATH9K_PHYERR_TOR);
+ PHY_ERR("OFDM-TIMING", ATH9K_PHYERR_OFDM_TIMING);
+ PHY_ERR("OFDM-SIGNAL-PARITY", ATH9K_PHYERR_OFDM_SIGNAL_PARITY);
+ PHY_ERR("OFDM-RATE", ATH9K_PHYERR_OFDM_RATE_ILLEGAL);
+ PHY_ERR("OFDM-LENGTH", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL);
+ PHY_ERR("OFDM-POWER-DROP", ATH9K_PHYERR_OFDM_POWER_DROP);
+ PHY_ERR("OFDM-SERVICE", ATH9K_PHYERR_OFDM_SERVICE);
+ PHY_ERR("OFDM-RESTART", ATH9K_PHYERR_OFDM_RESTART);
+ PHY_ERR("FALSE-RADAR-EXT", ATH9K_PHYERR_FALSE_RADAR_EXT);
+ PHY_ERR("CCK-TIMING", ATH9K_PHYERR_CCK_TIMING);
+ PHY_ERR("CCK-HEADER-CRC", ATH9K_PHYERR_CCK_HEADER_CRC);
+ PHY_ERR("CCK-RATE", ATH9K_PHYERR_CCK_RATE_ILLEGAL);
+ PHY_ERR("CCK-SERVICE", ATH9K_PHYERR_CCK_SERVICE);
+ PHY_ERR("CCK-RESTART", ATH9K_PHYERR_CCK_RESTART);
+ PHY_ERR("CCK-LENGTH", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL);
+ PHY_ERR("CCK-POWER-DROP", ATH9K_PHYERR_CCK_POWER_DROP);
+ PHY_ERR("HT-CRC", ATH9K_PHYERR_HT_CRC_ERROR);
+ PHY_ERR("HT-LENGTH", ATH9K_PHYERR_HT_LENGTH_ILLEGAL);
+ PHY_ERR("HT-RATE", ATH9K_PHYERR_HT_RATE_ILLEGAL);
+
+ if (len > size)
+ len = size;
+
+ retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
+ kfree(buf);
+
+ return retval;
+
+#undef PHY_ERR
}
static const struct file_operations fops_recv = {
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
index 0e28558..a62495d 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
@@ -540,6 +540,8 @@ static bool ath9k_rx_prepare(struct ath9k_htc_priv *priv,
goto rx_next;
}
+ ath9k_htc_err_stat_rx(priv, rxstatus);
+
/* Get the RX status information */
memcpy(&rxbuf->rxstatus, rxstatus, HTC_RX_FRAME_HEADER_SIZE);
skb_pull(skb, HTC_RX_FRAME_HEADER_SIZE);
--
1.7.4.4
--
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