ath9k_htc: Add RX error statistics
Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
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8e42e4ba98
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719c4cf6b1
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@ -296,6 +296,9 @@ struct ath9k_htc_tx_ctl {
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#define TX_QSTAT_INC(q) (priv->debug.tx_stats.queue_stats[q]++)
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void ath9k_htc_err_stat_rx(struct ath9k_htc_priv *priv,
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struct ath_htc_rx_status *rxs);
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struct ath_tx_stats {
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u32 buf_queued;
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u32 buf_completed;
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@ -310,6 +313,14 @@ struct ath_rx_stats {
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u32 skb_allocated;
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u32 skb_completed;
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u32 skb_dropped;
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u32 err_crc;
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u32 err_decrypt_crc;
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u32 err_mic;
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u32 err_pre_delim;
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u32 err_post_delim;
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u32 err_decrypt_busy;
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u32 err_phy;
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u32 err_phy_stats[ATH9K_PHYERR_MAX];
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};
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struct ath9k_debug {
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@ -330,6 +341,11 @@ struct ath9k_debug {
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#define TX_QSTAT_INC(c) do { } while (0)
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static inline void ath9k_htc_err_stat_rx(struct ath9k_htc_priv *priv,
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struct ath_htc_rx_status *rxs)
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{
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}
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#endif /* CONFIG_ATH9K_HTC_DEBUGFS */
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#define ATH_LED_PIN_DEF 1
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@ -123,27 +123,118 @@ static const struct file_operations fops_xmit = {
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.llseek = default_llseek,
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};
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void ath9k_htc_err_stat_rx(struct ath9k_htc_priv *priv,
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struct ath_htc_rx_status *rxs)
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{
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#define RX_PHY_ERR_INC(c) priv->debug.rx_stats.err_phy_stats[c]++
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if (rxs->rs_status & ATH9K_RXERR_CRC)
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priv->debug.rx_stats.err_crc++;
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if (rxs->rs_status & ATH9K_RXERR_DECRYPT)
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priv->debug.rx_stats.err_decrypt_crc++;
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if (rxs->rs_status & ATH9K_RXERR_MIC)
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priv->debug.rx_stats.err_mic++;
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if (rxs->rs_status & ATH9K_RX_DELIM_CRC_PRE)
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priv->debug.rx_stats.err_pre_delim++;
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if (rxs->rs_status & ATH9K_RX_DELIM_CRC_POST)
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priv->debug.rx_stats.err_post_delim++;
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if (rxs->rs_status & ATH9K_RX_DECRYPT_BUSY)
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priv->debug.rx_stats.err_decrypt_busy++;
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if (rxs->rs_status & ATH9K_RXERR_PHY) {
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priv->debug.rx_stats.err_phy++;
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if (rxs->rs_phyerr < ATH9K_PHYERR_MAX)
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RX_PHY_ERR_INC(rxs->rs_phyerr);
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}
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#undef RX_PHY_ERR_INC
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}
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static ssize_t read_file_recv(struct file *file, char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct ath9k_htc_priv *priv = file->private_data;
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char buf[512];
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unsigned int len = 0;
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#define PHY_ERR(s, p) \
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len += snprintf(buf + len, size - len, "%20s : %10u\n", s, \
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priv->debug.rx_stats.err_phy_stats[p]);
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len += snprintf(buf + len, sizeof(buf) - len,
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struct ath9k_htc_priv *priv = file->private_data;
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char *buf;
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unsigned int len = 0, size = 1500;
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ssize_t retval = 0;
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buf = kzalloc(size, GFP_KERNEL);
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if (buf == NULL)
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return -ENOMEM;
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len += snprintf(buf + len, size - len,
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"%20s : %10u\n", "SKBs allocated",
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priv->debug.rx_stats.skb_allocated);
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len += snprintf(buf + len, sizeof(buf) - len,
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len += snprintf(buf + len, size - len,
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"%20s : %10u\n", "SKBs completed",
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priv->debug.rx_stats.skb_completed);
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len += snprintf(buf + len, sizeof(buf) - len,
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len += snprintf(buf + len, size - len,
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"%20s : %10u\n", "SKBs Dropped",
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priv->debug.rx_stats.skb_dropped);
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if (len > sizeof(buf))
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len = sizeof(buf);
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len += snprintf(buf + len, size - len,
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"%20s : %10u\n", "CRC ERR",
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priv->debug.rx_stats.err_crc);
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len += snprintf(buf + len, size - len,
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"%20s : %10u\n", "DECRYPT CRC ERR",
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priv->debug.rx_stats.err_decrypt_crc);
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len += snprintf(buf + len, size - len,
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"%20s : %10u\n", "MIC ERR",
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priv->debug.rx_stats.err_mic);
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len += snprintf(buf + len, size - len,
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"%20s : %10u\n", "PRE-DELIM CRC ERR",
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priv->debug.rx_stats.err_pre_delim);
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len += snprintf(buf + len, size - len,
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"%20s : %10u\n", "POST-DELIM CRC ERR",
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priv->debug.rx_stats.err_post_delim);
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len += snprintf(buf + len, size - len,
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"%20s : %10u\n", "DECRYPT BUSY ERR",
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priv->debug.rx_stats.err_decrypt_busy);
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len += snprintf(buf + len, size - len,
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"%20s : %10u\n", "TOTAL PHY ERR",
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priv->debug.rx_stats.err_phy);
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return simple_read_from_buffer(user_buf, count, ppos, buf, len);
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PHY_ERR("UNDERRUN", ATH9K_PHYERR_UNDERRUN);
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PHY_ERR("TIMING", ATH9K_PHYERR_TIMING);
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PHY_ERR("PARITY", ATH9K_PHYERR_PARITY);
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PHY_ERR("RATE", ATH9K_PHYERR_RATE);
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PHY_ERR("LENGTH", ATH9K_PHYERR_LENGTH);
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PHY_ERR("RADAR", ATH9K_PHYERR_RADAR);
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PHY_ERR("SERVICE", ATH9K_PHYERR_SERVICE);
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PHY_ERR("TOR", ATH9K_PHYERR_TOR);
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PHY_ERR("OFDM-TIMING", ATH9K_PHYERR_OFDM_TIMING);
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PHY_ERR("OFDM-SIGNAL-PARITY", ATH9K_PHYERR_OFDM_SIGNAL_PARITY);
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PHY_ERR("OFDM-RATE", ATH9K_PHYERR_OFDM_RATE_ILLEGAL);
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PHY_ERR("OFDM-LENGTH", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL);
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PHY_ERR("OFDM-POWER-DROP", ATH9K_PHYERR_OFDM_POWER_DROP);
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PHY_ERR("OFDM-SERVICE", ATH9K_PHYERR_OFDM_SERVICE);
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PHY_ERR("OFDM-RESTART", ATH9K_PHYERR_OFDM_RESTART);
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PHY_ERR("FALSE-RADAR-EXT", ATH9K_PHYERR_FALSE_RADAR_EXT);
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PHY_ERR("CCK-TIMING", ATH9K_PHYERR_CCK_TIMING);
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PHY_ERR("CCK-HEADER-CRC", ATH9K_PHYERR_CCK_HEADER_CRC);
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PHY_ERR("CCK-RATE", ATH9K_PHYERR_CCK_RATE_ILLEGAL);
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PHY_ERR("CCK-SERVICE", ATH9K_PHYERR_CCK_SERVICE);
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PHY_ERR("CCK-RESTART", ATH9K_PHYERR_CCK_RESTART);
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PHY_ERR("CCK-LENGTH", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL);
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PHY_ERR("CCK-POWER-DROP", ATH9K_PHYERR_CCK_POWER_DROP);
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PHY_ERR("HT-CRC", ATH9K_PHYERR_HT_CRC_ERROR);
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PHY_ERR("HT-LENGTH", ATH9K_PHYERR_HT_LENGTH_ILLEGAL);
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PHY_ERR("HT-RATE", ATH9K_PHYERR_HT_RATE_ILLEGAL);
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if (len > size)
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len = size;
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retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
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kfree(buf);
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return retval;
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#undef PHY_ERR
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}
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static const struct file_operations fops_recv = {
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@ -540,6 +540,8 @@ static bool ath9k_rx_prepare(struct ath9k_htc_priv *priv,
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goto rx_next;
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}
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ath9k_htc_err_stat_rx(priv, rxstatus);
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/* Get the RX status information */
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memcpy(&rxbuf->rxstatus, rxstatus, HTC_RX_FRAME_HEADER_SIZE);
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skb_pull(skb, HTC_RX_FRAME_HEADER_SIZE);
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