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c58ca5b508
Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
524 lines
15 KiB
C
524 lines
15 KiB
C
/*
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* Copyright (c) 2010-2011 Atheros Communications Inc.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include "htc.h"
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static int ath9k_debugfs_open(struct inode *inode, struct file *file)
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{
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file->private_data = inode->i_private;
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return 0;
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}
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static ssize_t read_file_tgt_int_stats(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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struct ath9k_htc_target_int_stats cmd_rsp;
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char buf[512];
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unsigned int len = 0;
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int ret = 0;
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memset(&cmd_rsp, 0, sizeof(cmd_rsp));
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ath9k_htc_ps_wakeup(priv);
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WMI_CMD(WMI_INT_STATS_CMDID);
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if (ret) {
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ath9k_htc_ps_restore(priv);
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return -EINVAL;
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}
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ath9k_htc_ps_restore(priv);
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len += snprintf(buf + len, sizeof(buf) - len,
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"%20s : %10u\n", "RX",
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be32_to_cpu(cmd_rsp.rx));
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len += snprintf(buf + len, sizeof(buf) - len,
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"%20s : %10u\n", "RXORN",
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be32_to_cpu(cmd_rsp.rxorn));
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len += snprintf(buf + len, sizeof(buf) - len,
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"%20s : %10u\n", "RXEOL",
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be32_to_cpu(cmd_rsp.rxeol));
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len += snprintf(buf + len, sizeof(buf) - len,
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"%20s : %10u\n", "TXURN",
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be32_to_cpu(cmd_rsp.txurn));
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len += snprintf(buf + len, sizeof(buf) - len,
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"%20s : %10u\n", "TXTO",
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be32_to_cpu(cmd_rsp.txto));
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len += snprintf(buf + len, sizeof(buf) - len,
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"%20s : %10u\n", "CST",
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be32_to_cpu(cmd_rsp.cst));
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if (len > sizeof(buf))
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len = sizeof(buf);
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return simple_read_from_buffer(user_buf, count, ppos, buf, len);
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}
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static const struct file_operations fops_tgt_int_stats = {
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.read = read_file_tgt_int_stats,
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.open = ath9k_debugfs_open,
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.owner = THIS_MODULE,
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.llseek = default_llseek,
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};
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static ssize_t read_file_tgt_tx_stats(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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struct ath9k_htc_target_tx_stats cmd_rsp;
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char buf[512];
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unsigned int len = 0;
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int ret = 0;
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memset(&cmd_rsp, 0, sizeof(cmd_rsp));
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ath9k_htc_ps_wakeup(priv);
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WMI_CMD(WMI_TX_STATS_CMDID);
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if (ret) {
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ath9k_htc_ps_restore(priv);
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return -EINVAL;
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}
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ath9k_htc_ps_restore(priv);
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len += snprintf(buf + len, sizeof(buf) - len,
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"%20s : %10u\n", "Xretries",
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be32_to_cpu(cmd_rsp.xretries));
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len += snprintf(buf + len, sizeof(buf) - len,
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"%20s : %10u\n", "FifoErr",
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be32_to_cpu(cmd_rsp.fifoerr));
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len += snprintf(buf + len, sizeof(buf) - len,
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"%20s : %10u\n", "Filtered",
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be32_to_cpu(cmd_rsp.filtered));
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len += snprintf(buf + len, sizeof(buf) - len,
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"%20s : %10u\n", "TimerExp",
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be32_to_cpu(cmd_rsp.timer_exp));
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len += snprintf(buf + len, sizeof(buf) - len,
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"%20s : %10u\n", "ShortRetries",
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be32_to_cpu(cmd_rsp.shortretries));
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len += snprintf(buf + len, sizeof(buf) - len,
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"%20s : %10u\n", "LongRetries",
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be32_to_cpu(cmd_rsp.longretries));
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len += snprintf(buf + len, sizeof(buf) - len,
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"%20s : %10u\n", "QueueNull",
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be32_to_cpu(cmd_rsp.qnull));
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len += snprintf(buf + len, sizeof(buf) - len,
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"%20s : %10u\n", "EncapFail",
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be32_to_cpu(cmd_rsp.encap_fail));
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len += snprintf(buf + len, sizeof(buf) - len,
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"%20s : %10u\n", "NoBuf",
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be32_to_cpu(cmd_rsp.nobuf));
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if (len > sizeof(buf))
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len = sizeof(buf);
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return simple_read_from_buffer(user_buf, count, ppos, buf, len);
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}
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static const struct file_operations fops_tgt_tx_stats = {
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.read = read_file_tgt_tx_stats,
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.open = ath9k_debugfs_open,
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.owner = THIS_MODULE,
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.llseek = default_llseek,
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};
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static ssize_t read_file_tgt_rx_stats(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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struct ath9k_htc_target_rx_stats cmd_rsp;
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char buf[512];
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unsigned int len = 0;
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int ret = 0;
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memset(&cmd_rsp, 0, sizeof(cmd_rsp));
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ath9k_htc_ps_wakeup(priv);
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WMI_CMD(WMI_RX_STATS_CMDID);
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if (ret) {
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ath9k_htc_ps_restore(priv);
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return -EINVAL;
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}
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ath9k_htc_ps_restore(priv);
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len += snprintf(buf + len, sizeof(buf) - len,
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"%20s : %10u\n", "NoBuf",
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be32_to_cpu(cmd_rsp.nobuf));
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len += snprintf(buf + len, sizeof(buf) - len,
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"%20s : %10u\n", "HostSend",
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be32_to_cpu(cmd_rsp.host_send));
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len += snprintf(buf + len, sizeof(buf) - len,
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"%20s : %10u\n", "HostDone",
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be32_to_cpu(cmd_rsp.host_done));
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if (len > sizeof(buf))
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len = sizeof(buf);
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return simple_read_from_buffer(user_buf, count, ppos, buf, len);
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}
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static const struct file_operations fops_tgt_rx_stats = {
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.read = read_file_tgt_rx_stats,
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.open = ath9k_debugfs_open,
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.owner = THIS_MODULE,
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.llseek = default_llseek,
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};
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static ssize_t read_file_xmit(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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len += snprintf(buf + len, sizeof(buf) - len,
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"%20s : %10u\n", "Buffers queued",
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priv->debug.tx_stats.buf_queued);
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len += snprintf(buf + len, sizeof(buf) - len,
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"%20s : %10u\n", "Buffers completed",
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priv->debug.tx_stats.buf_completed);
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len += snprintf(buf + len, sizeof(buf) - len,
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"%20s : %10u\n", "SKBs queued",
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priv->debug.tx_stats.skb_queued);
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len += snprintf(buf + len, sizeof(buf) - len,
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"%20s : %10u\n", "SKBs success",
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priv->debug.tx_stats.skb_success);
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len += snprintf(buf + len, sizeof(buf) - len,
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"%20s : %10u\n", "SKBs failed",
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priv->debug.tx_stats.skb_failed);
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len += snprintf(buf + len, sizeof(buf) - len,
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"%20s : %10u\n", "CAB queued",
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priv->debug.tx_stats.cab_queued);
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len += snprintf(buf + len, sizeof(buf) - len,
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"%20s : %10u\n", "BE queued",
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priv->debug.tx_stats.queue_stats[WME_AC_BE]);
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len += snprintf(buf + len, sizeof(buf) - len,
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"%20s : %10u\n", "BK queued",
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priv->debug.tx_stats.queue_stats[WME_AC_BK]);
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len += snprintf(buf + len, sizeof(buf) - len,
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"%20s : %10u\n", "VI queued",
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priv->debug.tx_stats.queue_stats[WME_AC_VI]);
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len += snprintf(buf + len, sizeof(buf) - len,
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"%20s : %10u\n", "VO queued",
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priv->debug.tx_stats.queue_stats[WME_AC_VO]);
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if (len > sizeof(buf))
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len = sizeof(buf);
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return simple_read_from_buffer(user_buf, count, ppos, buf, len);
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}
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static const struct file_operations fops_xmit = {
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.read = read_file_xmit,
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.open = ath9k_debugfs_open,
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.owner = THIS_MODULE,
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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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#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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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, 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, 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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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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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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.read = read_file_recv,
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.open = ath9k_debugfs_open,
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.owner = THIS_MODULE,
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.llseek = default_llseek,
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};
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static ssize_t read_file_slot(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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spin_lock_bh(&priv->tx.tx_lock);
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len += snprintf(buf + len, sizeof(buf) - len, "TX slot bitmap : ");
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len += bitmap_scnprintf(buf + len, sizeof(buf) - len,
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priv->tx.tx_slot, MAX_TX_BUF_NUM);
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len += snprintf(buf + len, sizeof(buf) - len, "\n");
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len += snprintf(buf + len, sizeof(buf) - len,
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"Used slots : %d\n",
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bitmap_weight(priv->tx.tx_slot, MAX_TX_BUF_NUM));
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spin_unlock_bh(&priv->tx.tx_lock);
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if (len > sizeof(buf))
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len = sizeof(buf);
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return simple_read_from_buffer(user_buf, count, ppos, buf, len);
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}
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static const struct file_operations fops_slot = {
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.read = read_file_slot,
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.open = ath9k_debugfs_open,
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.owner = THIS_MODULE,
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.llseek = default_llseek,
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};
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static ssize_t read_file_queue(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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len += snprintf(buf + len, sizeof(buf) - len, "%20s : %10u\n",
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"Mgmt endpoint", skb_queue_len(&priv->tx.mgmt_ep_queue));
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len += snprintf(buf + len, sizeof(buf) - len, "%20s : %10u\n",
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"Cab endpoint", skb_queue_len(&priv->tx.cab_ep_queue));
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len += snprintf(buf + len, sizeof(buf) - len, "%20s : %10u\n",
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"Data BE endpoint", skb_queue_len(&priv->tx.data_be_queue));
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len += snprintf(buf + len, sizeof(buf) - len, "%20s : %10u\n",
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"Data BK endpoint", skb_queue_len(&priv->tx.data_bk_queue));
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len += snprintf(buf + len, sizeof(buf) - len, "%20s : %10u\n",
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"Data VI endpoint", skb_queue_len(&priv->tx.data_vi_queue));
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len += snprintf(buf + len, sizeof(buf) - len, "%20s : %10u\n",
|
|
"Data VO endpoint", skb_queue_len(&priv->tx.data_vo_queue));
|
|
|
|
len += snprintf(buf + len, sizeof(buf) - len, "%20s : %10u\n",
|
|
"Failed queue", skb_queue_len(&priv->tx.tx_failed));
|
|
|
|
spin_lock_bh(&priv->tx.tx_lock);
|
|
len += snprintf(buf + len, sizeof(buf) - len, "%20s : %10u\n",
|
|
"Queued count", priv->tx.queued_cnt);
|
|
spin_unlock_bh(&priv->tx.tx_lock);
|
|
|
|
if (len > sizeof(buf))
|
|
len = sizeof(buf);
|
|
|
|
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
|
|
|
|
}
|
|
|
|
static const struct file_operations fops_queue = {
|
|
.read = read_file_queue,
|
|
.open = ath9k_debugfs_open,
|
|
.owner = THIS_MODULE,
|
|
.llseek = default_llseek,
|
|
};
|
|
|
|
static ssize_t read_file_debug(struct file *file, char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct ath9k_htc_priv *priv = file->private_data;
|
|
struct ath_common *common = ath9k_hw_common(priv->ah);
|
|
char buf[32];
|
|
unsigned int len;
|
|
|
|
len = sprintf(buf, "0x%08x\n", common->debug_mask);
|
|
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
|
|
}
|
|
|
|
static ssize_t write_file_debug(struct file *file, const char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct ath9k_htc_priv *priv = file->private_data;
|
|
struct ath_common *common = ath9k_hw_common(priv->ah);
|
|
unsigned long mask;
|
|
char buf[32];
|
|
ssize_t len;
|
|
|
|
len = min(count, sizeof(buf) - 1);
|
|
if (copy_from_user(buf, user_buf, len))
|
|
return -EFAULT;
|
|
|
|
buf[len] = '\0';
|
|
if (strict_strtoul(buf, 0, &mask))
|
|
return -EINVAL;
|
|
|
|
common->debug_mask = mask;
|
|
return count;
|
|
}
|
|
|
|
static const struct file_operations fops_debug = {
|
|
.read = read_file_debug,
|
|
.write = write_file_debug,
|
|
.open = ath9k_debugfs_open,
|
|
.owner = THIS_MODULE,
|
|
.llseek = default_llseek,
|
|
};
|
|
|
|
int ath9k_htc_init_debug(struct ath_hw *ah)
|
|
{
|
|
struct ath_common *common = ath9k_hw_common(ah);
|
|
struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv;
|
|
|
|
priv->debug.debugfs_phy = debugfs_create_dir(KBUILD_MODNAME,
|
|
priv->hw->wiphy->debugfsdir);
|
|
if (!priv->debug.debugfs_phy)
|
|
return -ENOMEM;
|
|
|
|
debugfs_create_file("tgt_int_stats", S_IRUSR, priv->debug.debugfs_phy,
|
|
priv, &fops_tgt_int_stats);
|
|
debugfs_create_file("tgt_tx_stats", S_IRUSR, priv->debug.debugfs_phy,
|
|
priv, &fops_tgt_tx_stats);
|
|
debugfs_create_file("tgt_rx_stats", S_IRUSR, priv->debug.debugfs_phy,
|
|
priv, &fops_tgt_rx_stats);
|
|
debugfs_create_file("xmit", S_IRUSR, priv->debug.debugfs_phy,
|
|
priv, &fops_xmit);
|
|
debugfs_create_file("recv", S_IRUSR, priv->debug.debugfs_phy,
|
|
priv, &fops_recv);
|
|
debugfs_create_file("slot", S_IRUSR, priv->debug.debugfs_phy,
|
|
priv, &fops_slot);
|
|
debugfs_create_file("queue", S_IRUSR, priv->debug.debugfs_phy,
|
|
priv, &fops_queue);
|
|
debugfs_create_file("debug", S_IRUSR | S_IWUSR, priv->debug.debugfs_phy,
|
|
priv, &fops_debug);
|
|
|
|
return 0;
|
|
}
|