From: Sujith Manoharan Date: Wed, 13 Apr 2011 05:54:10 +0000 (+0530) Subject: ath9k_htc: Add RX error statistics X-Git-Tag: v3.0-rc2~7^2~16^2~412 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=719c4cf6b1b113e9caf377c6607ae45758a85871;p=profile%2Fivi%2Fkernel-adaptation-intel-automotive.git ath9k_htc: Add RX error statistics Signed-off-by: Sujith Manoharan Signed-off-by: John W. Linville --- 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);