diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath5k/debug.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/debug.c | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath5k/debug.c b/drivers/net/wireless/ath/ath5k/debug.c index 236f20f9cd4..bccd4a78027 100644 --- a/drivers/net/wireless/ath/ath5k/debug.c +++ b/drivers/net/wireless/ath/ath5k/debug.c @@ -465,6 +465,106 @@ static const struct file_operations fops_antenna = { }; +/* debugfs: frameerrors */ + +static ssize_t read_file_frameerrors(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ath5k_softc *sc = file->private_data; + struct ath5k_statistics *st = &sc->stats; + char buf[700]; + unsigned int len = 0; + + len += snprintf(buf+len, sizeof(buf)-len, + "RX\n---------------------\n"); + len += snprintf(buf+len, sizeof(buf)-len, "CRC\t%d\t(%d%%)\n", + st->rxerr_crc, + st->rx_all_count > 0 ? + st->rxerr_crc*100/st->rx_all_count : 0); + len += snprintf(buf+len, sizeof(buf)-len, "PHY\t%d\t(%d%%)\n", + st->rxerr_phy, + st->rx_all_count > 0 ? + st->rxerr_phy*100/st->rx_all_count : 0); + len += snprintf(buf+len, sizeof(buf)-len, "FIFO\t%d\t(%d%%)\n", + st->rxerr_fifo, + st->rx_all_count > 0 ? + st->rxerr_fifo*100/st->rx_all_count : 0); + len += snprintf(buf+len, sizeof(buf)-len, "decrypt\t%d\t(%d%%)\n", + st->rxerr_decrypt, + st->rx_all_count > 0 ? + st->rxerr_decrypt*100/st->rx_all_count : 0); + len += snprintf(buf+len, sizeof(buf)-len, "MIC\t%d\t(%d%%)\n", + st->rxerr_mic, + st->rx_all_count > 0 ? + st->rxerr_mic*100/st->rx_all_count : 0); + len += snprintf(buf+len, sizeof(buf)-len, "process\t%d\t(%d%%)\n", + st->rxerr_proc, + st->rx_all_count > 0 ? + st->rxerr_proc*100/st->rx_all_count : 0); + len += snprintf(buf+len, sizeof(buf)-len, "jumbo\t%d\t(%d%%)\n", + st->rxerr_jumbo, + st->rx_all_count > 0 ? + st->rxerr_jumbo*100/st->rx_all_count : 0); + len += snprintf(buf+len, sizeof(buf)-len, "[RX all\t%d]\n", + st->rx_all_count); + + len += snprintf(buf+len, sizeof(buf)-len, + "\nTX\n---------------------\n"); + len += snprintf(buf+len, sizeof(buf)-len, "retry\t%d\t(%d%%)\n", + st->txerr_retry, + st->tx_all_count > 0 ? + st->txerr_retry*100/st->tx_all_count : 0); + len += snprintf(buf+len, sizeof(buf)-len, "FIFO\t%d\t(%d%%)\n", + st->txerr_fifo, + st->tx_all_count > 0 ? + st->txerr_fifo*100/st->tx_all_count : 0); + len += snprintf(buf+len, sizeof(buf)-len, "filter\t%d\t(%d%%)\n", + st->txerr_filt, + st->tx_all_count > 0 ? + st->txerr_filt*100/st->tx_all_count : 0); + len += snprintf(buf+len, sizeof(buf)-len, "[TX all\t%d]\n", + st->tx_all_count); + + return simple_read_from_buffer(user_buf, count, ppos, buf, len); +} + +static ssize_t write_file_frameerrors(struct file *file, + const char __user *userbuf, + size_t count, loff_t *ppos) +{ + struct ath5k_softc *sc = file->private_data; + struct ath5k_statistics *st = &sc->stats; + char buf[20]; + + if (copy_from_user(buf, userbuf, min(count, sizeof(buf)))) + return -EFAULT; + + if (strncmp(buf, "clear", 5) == 0) { + st->rxerr_crc = 0; + st->rxerr_phy = 0; + st->rxerr_fifo = 0; + st->rxerr_decrypt = 0; + st->rxerr_mic = 0; + st->rxerr_proc = 0; + st->rxerr_jumbo = 0; + st->rx_all_count = 0; + st->txerr_retry = 0; + st->txerr_fifo = 0; + st->txerr_filt = 0; + st->tx_all_count = 0; + printk(KERN_INFO "ath5k debug: cleared frameerrors stats\n"); + } + return count; +} + +static const struct file_operations fops_frameerrors = { + .read = read_file_frameerrors, + .write = write_file_frameerrors, + .open = ath5k_debugfs_open, + .owner = THIS_MODULE, +}; + + /* init */ void @@ -498,6 +598,11 @@ ath5k_debug_init_device(struct ath5k_softc *sc) sc->debug.debugfs_antenna = debugfs_create_file("antenna", S_IWUSR | S_IRUSR, sc->debug.debugfs_phydir, sc, &fops_antenna); + + sc->debug.debugfs_frameerrors = debugfs_create_file("frameerrors", + S_IWUSR | S_IRUSR, + sc->debug.debugfs_phydir, sc, + &fops_frameerrors); } void @@ -514,6 +619,7 @@ ath5k_debug_finish_device(struct ath5k_softc *sc) debugfs_remove(sc->debug.debugfs_beacon); debugfs_remove(sc->debug.debugfs_reset); debugfs_remove(sc->debug.debugfs_antenna); + debugfs_remove(sc->debug.debugfs_frameerrors); debugfs_remove(sc->debug.debugfs_phydir); } |