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ath9k_htc: Add RX error statistics 

Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
hifive-unleashed-5.1
Sujith Manoharan 2011-04-13 11:24:10 +05:30 committed by John W. Linville
parent 8e42e4ba98
commit 719c4cf6b1
3 changed files with 118 additions and 9 deletions
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16
drivers/net/wireless/ath/ath9k/htc.h
View File

@ -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

109
drivers/net/wireless/ath/ath9k/htc_drv_debug.c
View File

@ -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)
{
struct ath9k_htc_priv *priv = file->private_data;
char buf[512];
unsigned int len = 0;
#define PHY_ERR(s, p) \
len += snprintf(buf + len, size - len, "%20s : %10u\n", s, \
priv->debug.rx_stats.err_phy_stats[p]);
len += snprintf(buf + len, sizeof(buf) - len,
struct ath9k_htc_priv *priv = file->private_data;
char *buf;
unsigned int len = 0, size = 1500;
ssize_t retval = 0;
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);
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);
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
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 = {

2
drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
View File

@ -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);