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/*
* Copyright (c) 2004-2011 Atheros Communications Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "core.h"
#include "debug.h"
int ath6kl_printk(const char *level, const char *fmt, ...)
{
struct va_format vaf;
va_list args;
int rtn;
va_start(args, fmt);
vaf.fmt = fmt;
vaf.va = &args;
rtn = printk("%sath6kl: %pV", level, &vaf);
va_end(args);
return rtn;
}
#ifdef CONFIG_ATH6KL_DEBUG
void ath6kl_dump_registers(struct ath6kl_device *dev,
struct ath6kl_irq_proc_registers *irq_proc_reg,
struct ath6kl_irq_enable_reg *irq_enable_reg)
{
ath6kl_dbg(ATH6KL_DBG_ANY, ("<------- Register Table -------->\n"));
if (irq_proc_reg != NULL) {
ath6kl_dbg(ATH6KL_DBG_ANY,
"Host Int status: 0x%x\n",
irq_proc_reg->host_int_status);
ath6kl_dbg(ATH6KL_DBG_ANY,
"CPU Int status: 0x%x\n",
irq_proc_reg->cpu_int_status);
ath6kl_dbg(ATH6KL_DBG_ANY,
"Error Int status: 0x%x\n",
irq_proc_reg->error_int_status);
ath6kl_dbg(ATH6KL_DBG_ANY,
"Counter Int status: 0x%x\n",
irq_proc_reg->counter_int_status);
ath6kl_dbg(ATH6KL_DBG_ANY,
"Mbox Frame: 0x%x\n",
irq_proc_reg->mbox_frame);
ath6kl_dbg(ATH6KL_DBG_ANY,
"Rx Lookahead Valid: 0x%x\n",
irq_proc_reg->rx_lkahd_valid);
ath6kl_dbg(ATH6KL_DBG_ANY,
"Rx Lookahead 0: 0x%x\n",
irq_proc_reg->rx_lkahd[0]);
ath6kl_dbg(ATH6KL_DBG_ANY,
"Rx Lookahead 1: 0x%x\n",
irq_proc_reg->rx_lkahd[1]);
if (dev->ar->mbox_info.gmbox_addr != 0) {
/*
* If the target supports GMBOX hardware, dump some
* additional state.
*/
ath6kl_dbg(ATH6KL_DBG_ANY,
"GMBOX Host Int status 2: 0x%x\n",
irq_proc_reg->host_int_status2);
ath6kl_dbg(ATH6KL_DBG_ANY,
"GMBOX RX Avail: 0x%x\n",
irq_proc_reg->gmbox_rx_avail);
ath6kl_dbg(ATH6KL_DBG_ANY,
"GMBOX lookahead alias 0: 0x%x\n",
irq_proc_reg->rx_gmbox_lkahd_alias[0]);
ath6kl_dbg(ATH6KL_DBG_ANY,
"GMBOX lookahead alias 1: 0x%x\n",
irq_proc_reg->rx_gmbox_lkahd_alias[1]);
}
}
if (irq_enable_reg != NULL) {
ath6kl_dbg(ATH6KL_DBG_ANY,
"Int status Enable: 0x%x\n",
irq_enable_reg->int_status_en);
ath6kl_dbg(ATH6KL_DBG_ANY, "Counter Int status Enable: 0x%x\n",
irq_enable_reg->cntr_int_status_en);
}
ath6kl_dbg(ATH6KL_DBG_ANY, "<------------------------------->\n");
}
static void dump_cred_dist(struct htc_endpoint_credit_dist *ep_dist)
{
ath6kl_dbg(ATH6KL_DBG_ANY,
"--- endpoint: %d svc_id: 0x%X ---\n",
ep_dist->endpoint, ep_dist->svc_id);
ath6kl_dbg(ATH6KL_DBG_ANY, " dist_flags : 0x%X\n",
ep_dist->dist_flags);
ath6kl_dbg(ATH6KL_DBG_ANY, " cred_norm : %d\n",
ep_dist->cred_norm);
ath6kl_dbg(ATH6KL_DBG_ANY, " cred_min : %d\n",
ep_dist->cred_min);
ath6kl_dbg(ATH6KL_DBG_ANY, " credits : %d\n",
ep_dist->credits);
ath6kl_dbg(ATH6KL_DBG_ANY, " cred_assngd : %d\n",
ep_dist->cred_assngd);
ath6kl_dbg(ATH6KL_DBG_ANY, " seek_cred : %d\n",
ep_dist->seek_cred);
ath6kl_dbg(ATH6KL_DBG_ANY, " cred_sz : %d\n",
ep_dist->cred_sz);
ath6kl_dbg(ATH6KL_DBG_ANY, " cred_per_msg : %d\n",
ep_dist->cred_per_msg);
ath6kl_dbg(ATH6KL_DBG_ANY, " cred_to_dist : %d\n",
ep_dist->cred_to_dist);
ath6kl_dbg(ATH6KL_DBG_ANY, " txq_depth : %d\n",
get_queue_depth(&((struct htc_endpoint *)
ep_dist->htc_rsvd)->txq));
ath6kl_dbg(ATH6KL_DBG_ANY,
"----------------------------------\n");
}
void dump_cred_dist_stats(struct htc_target *target)
{
struct htc_endpoint_credit_dist *ep_list;
if (!AR_DBG_LVL_CHECK(ATH6KL_DBG_TRC))
return;
list_for_each_entry(ep_list, &target->cred_dist_list, list)
dump_cred_dist(ep_list);
ath6kl_dbg(ATH6KL_DBG_HTC_SEND, "ctxt:%p dist:%p\n",
target->cred_dist_cntxt, NULL);
ath6kl_dbg(ATH6KL_DBG_TRC, "credit distribution, total : %d, free : %d\n",
target->cred_dist_cntxt->total_avail_credits,
target->cred_dist_cntxt->cur_free_credits);
}
static int ath6kl_debugfs_open(struct inode *inode, struct file *file)
{
file->private_data = inode->i_private;
return 0;
}
static ssize_t read_file_tgt_stats(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath6kl *ar = file->private_data;
struct target_stats *tgt_stats = &ar->target_stats;
char *buf;
unsigned int len = 0, buf_len = 1500;
int i;
long left;
ssize_t ret_cnt;
buf = kzalloc(buf_len, GFP_KERNEL);
if (!buf)
return -ENOMEM;
if (down_interruptible(&ar->sem)) {
kfree(buf);
return -EBUSY;
}
set_bit(STATS_UPDATE_PEND, &ar->flag);
if (ath6kl_wmi_get_stats_cmd(ar->wmi)) {
up(&ar->sem);
kfree(buf);
return -EIO;
}
left = wait_event_interruptible_timeout(ar->event_wq,
!test_bit(STATS_UPDATE_PEND,
&ar->flag), WMI_TIMEOUT);
up(&ar->sem);
if (left <= 0) {
kfree(buf);
return -ETIMEDOUT;
}
len += scnprintf(buf + len, buf_len - len, "\n");
len += scnprintf(buf + len, buf_len - len, "%25s\n",
"Target Tx stats");
len += scnprintf(buf + len, buf_len - len, "%25s\n\n",
"=================");
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"Ucast packets", tgt_stats->tx_ucast_pkt);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"Bcast packets", tgt_stats->tx_bcast_pkt);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"Ucast byte", tgt_stats->tx_ucast_byte);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"Bcast byte", tgt_stats->tx_bcast_byte);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"Rts success cnt", tgt_stats->tx_rts_success_cnt);
for (i = 0; i < 4; i++)
len += scnprintf(buf + len, buf_len - len,
"%18s %d %10llu\n", "PER on ac",
i, tgt_stats->tx_pkt_per_ac[i]);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"Error", tgt_stats->tx_err);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"Fail count", tgt_stats->tx_fail_cnt);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"Retry count", tgt_stats->tx_retry_cnt);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"Multi retry cnt", tgt_stats->tx_mult_retry_cnt);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"Rts fail cnt", tgt_stats->tx_rts_fail_cnt);
len += scnprintf(buf + len, buf_len - len, "%25s %10llu\n\n",
"TKIP counter measure used",
tgt_stats->tkip_cnter_measures_invoked);
len += scnprintf(buf + len, buf_len - len, "%25s\n",
"Target Rx stats");
len += scnprintf(buf + len, buf_len - len, "%25s\n",
"=================");
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"Ucast packets", tgt_stats->rx_ucast_pkt);
len += scnprintf(buf + len, buf_len - len, "%20s %10d\n",
"Ucast Rate", tgt_stats->rx_ucast_rate);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"Bcast packets", tgt_stats->rx_bcast_pkt);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"Ucast byte", tgt_stats->rx_ucast_byte);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"Bcast byte", tgt_stats->rx_bcast_byte);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"Fragmented pkt", tgt_stats->rx_frgment_pkt);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"Error", tgt_stats->rx_err);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"CRC Err", tgt_stats->rx_crc_err);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"Key chache miss", tgt_stats->rx_key_cache_miss);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"Decrypt Err", tgt_stats->rx_decrypt_err);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"Duplicate frame", tgt_stats->rx_dupl_frame);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"Tkip Mic failure", tgt_stats->tkip_local_mic_fail);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"TKIP format err", tgt_stats->tkip_fmt_err);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"CCMP format Err", tgt_stats->ccmp_fmt_err);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n\n",
"CCMP Replay Err", tgt_stats->ccmp_replays);
len += scnprintf(buf + len, buf_len - len, "%25s\n",
"Misc Target stats");
len += scnprintf(buf + len, buf_len - len, "%25s\n",
"=================");
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"Beacon Miss count", tgt_stats->cs_bmiss_cnt);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"Num Connects", tgt_stats->cs_connect_cnt);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"Num disconnects", tgt_stats->cs_discon_cnt);
len += scnprintf(buf + len, buf_len - len, "%20s %10d\n",
"Beacon avg rssi", tgt_stats->cs_ave_beacon_rssi);
if (len > buf_len)
len = buf_len;
ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
kfree(buf);
return ret_cnt;
}
static const struct file_operations fops_tgt_stats = {
.read = read_file_tgt_stats,
.open = ath6kl_debugfs_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
int ath6kl_debug_init(struct ath6kl *ar)
{
ar->debugfs_phy = debugfs_create_dir("ath6kl",
ar->wdev->wiphy->debugfsdir);
if (!ar->debugfs_phy)
return -ENOMEM;
debugfs_create_file("tgt_stats", S_IRUSR, ar->debugfs_phy, ar,
&fops_tgt_stats);
return 0;
}
#endif
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