diff options
Diffstat (limited to 'drivers/staging/rtl8192u/r8192U_debugfs.c')
| -rw-r--r-- | drivers/staging/rtl8192u/r8192U_debugfs.c | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/drivers/staging/rtl8192u/r8192U_debugfs.c b/drivers/staging/rtl8192u/r8192U_debugfs.c new file mode 100644 index 000000000000..fe8ef72506ee --- /dev/null +++ b/drivers/staging/rtl8192u/r8192U_debugfs.c @@ -0,0 +1,188 @@ +// SPDX-License-Identifier: GPL-2.0 +/**************************************************************************** + * -----------------------------DEGUGFS STUFF------------------------- + ****************************************************************************/ +#include <linux/debugfs.h> +#include <linux/seq_file.h> +#include "r8192U.h" + +#define KBUILD_MODNAME "r8192u_usb" + +static int rtl8192_usb_stats_ap_show(struct seq_file *m, void *v) +{ + struct net_device *dev = m->private; + struct r8192_priv *priv = ieee80211_priv(dev); + struct ieee80211_device *ieee = priv->ieee80211; + struct ieee80211_network *target; + + list_for_each_entry(target, &ieee->network_list, list) { + const char *wpa = "non_WPA"; + + if (target->wpa_ie_len > 0 || target->rsn_ie_len > 0) + wpa = "WPA"; + + seq_printf(m, "%s %s\n", target->ssid, wpa); + } + + return 0; +} + +static int rtl8192_usb_registers_show(struct seq_file *m, void *v) +{ + struct net_device *dev = m->private; + int i, n, max = 0xff; + u8 byte_rd; + + seq_puts(m, "\n####################page 0##################\n "); + + for (n = 0; n <= max;) { + seq_printf(m, "\nD: %2x > ", n); + + for (i = 0; i < 16 && n <= max; i++, n++) { + read_nic_byte(dev, 0x000 | n, &byte_rd); + seq_printf(m, "%2x ", byte_rd); + } + } + + seq_puts(m, "\n####################page 1##################\n "); + for (n = 0; n <= max;) { + seq_printf(m, "\nD: %2x > ", n); + + for (i = 0; i < 16 && n <= max; i++, n++) { + read_nic_byte(dev, 0x100 | n, &byte_rd); + seq_printf(m, "%2x ", byte_rd); + } + } + + seq_puts(m, "\n####################page 3##################\n "); + for (n = 0; n <= max;) { + seq_printf(m, "\nD: %2x > ", n); + + for (i = 0; i < 16 && n <= max; i++, n++) { + read_nic_byte(dev, 0x300 | n, &byte_rd); + seq_printf(m, "%2x ", byte_rd); + } + } + + seq_putc(m, '\n'); + return 0; +} + +static int rtl8192_usb_stats_tx_show(struct seq_file *m, void *v) +{ + struct net_device *dev = m->private; + struct r8192_priv *priv = ieee80211_priv(dev); + + seq_printf(m, + "TX VI priority ok int: %lu\n" + "TX VI priority error int: %lu\n" + "TX VO priority ok int: %lu\n" + "TX VO priority error int: %lu\n" + "TX BE priority ok int: %lu\n" + "TX BE priority error int: %lu\n" + "TX BK priority ok int: %lu\n" + "TX BK priority error int: %lu\n" + "TX MANAGE priority ok int: %lu\n" + "TX MANAGE priority error int: %lu\n" + "TX BEACON priority ok int: %lu\n" + "TX BEACON priority error int: %lu\n" + "TX queue resume: %lu\n" + "TX queue stopped?: %d\n" + "TX fifo overflow: %lu\n" + "TX VI queue: %d\n" + "TX VO queue: %d\n" + "TX BE queue: %d\n" + "TX BK queue: %d\n" + "TX VI dropped: %lu\n" + "TX VO dropped: %lu\n" + "TX BE dropped: %lu\n" + "TX BK dropped: %lu\n" + "TX total data packets %lu\n", + priv->stats.txviokint, + priv->stats.txvierr, + priv->stats.txvookint, + priv->stats.txvoerr, + priv->stats.txbeokint, + priv->stats.txbeerr, + priv->stats.txbkokint, + priv->stats.txbkerr, + priv->stats.txmanageokint, + priv->stats.txmanageerr, + priv->stats.txbeaconokint, + priv->stats.txbeaconerr, + priv->stats.txresumed, + netif_queue_stopped(dev), + priv->stats.txoverflow, + atomic_read(&(priv->tx_pending[VI_PRIORITY])), + atomic_read(&(priv->tx_pending[VO_PRIORITY])), + atomic_read(&(priv->tx_pending[BE_PRIORITY])), + atomic_read(&(priv->tx_pending[BK_PRIORITY])), + priv->stats.txvidrop, + priv->stats.txvodrop, + priv->stats.txbedrop, + priv->stats.txbkdrop, + priv->stats.txdatapkt + ); + + return 0; +} + +static int rtl8192_usb_stats_rx_show(struct seq_file *m, void *v) +{ + struct net_device *dev = m->private; + struct r8192_priv *priv = ieee80211_priv(dev); + + seq_printf(m, + "RX packets: %lu\n" + "RX urb status error: %lu\n" + "RX invalid urb error: %lu\n", + priv->stats.rxoktotal, + priv->stats.rxstaterr, + priv->stats.rxurberr); + + return 0; +} + +DEFINE_SHOW_ATTRIBUTE(rtl8192_usb_stats_rx); +DEFINE_SHOW_ATTRIBUTE(rtl8192_usb_stats_tx); +DEFINE_SHOW_ATTRIBUTE(rtl8192_usb_stats_ap); +DEFINE_SHOW_ATTRIBUTE(rtl8192_usb_registers); + +void rtl8192_debugfs_init_one(struct net_device *dev) +{ + struct r8192_priv *priv = ieee80211_priv(dev); + struct dentry *parent_dir = debugfs_lookup(KBUILD_MODNAME, NULL); + struct dentry *dir = debugfs_create_dir(dev->name, parent_dir); + + debugfs_create_file("stats-rx", 0444, dir, dev, &rtl8192_usb_stats_rx_fops); + debugfs_create_file("stats-tx", 0444, dir, dev, &rtl8192_usb_stats_tx_fops); + debugfs_create_file("stats-ap", 0444, dir, dev, &rtl8192_usb_stats_ap_fops); + debugfs_create_file("registers", 0444, dir, dev, &rtl8192_usb_registers_fops); + + priv->debugfs_dir = dir; +} + +void rtl8192_debugfs_exit_one(struct net_device *dev) +{ + struct r8192_priv *priv = ieee80211_priv(dev); + + debugfs_remove_recursive(priv->debugfs_dir); +} + +void rtl8192_debugfs_rename_one(struct net_device *dev) +{ + struct r8192_priv *priv = ieee80211_priv(dev); + struct dentry *parent_dir = debugfs_lookup(KBUILD_MODNAME, NULL); + + debugfs_rename(parent_dir, priv->debugfs_dir, parent_dir, dev->name); +} + +void rtl8192_debugfs_init(void) +{ + debugfs_create_dir(KBUILD_MODNAME, NULL); +} + +void rtl8192_debugfs_exit(void) +{ + debugfs_remove_recursive(debugfs_lookup(KBUILD_MODNAME, NULL)); +} |