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/*
* Copyright (c) 2012 Broadcom Corporation
* Copyright (c) 2012 Canonical Ltd.
*
* 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 <linux/debugfs.h>
#include <linux/if_ether.h>
#include <linux/if.h>
#include <linux/net.h>
#include <linux/netdevice.h>
#include <linux/ieee80211.h>
#include <linux/module.h>
#include <net/mac80211.h>
#include <defs.h>
#include <brcmu_wifi.h>
#include <brcmu_utils.h>
#include "types.h"
#include "main.h"
#include "debug.h"
#include "brcms_trace_events.h"
static struct dentry *root_folder;
void brcms_debugfs_init(void)
{
root_folder = debugfs_create_dir(KBUILD_MODNAME, NULL);
if (IS_ERR(root_folder))
root_folder = NULL;
}
void brcms_debugfs_exit(void)
{
if (!root_folder)
return;
debugfs_remove_recursive(root_folder);
root_folder = NULL;
}
int brcms_debugfs_attach(struct brcms_pub *drvr)
{
if (!root_folder)
return -ENODEV;
drvr->dbgfs_dir = debugfs_create_dir(
dev_name(&drvr->wlc->hw->d11core->dev), root_folder);
return PTR_ERR_OR_ZERO(drvr->dbgfs_dir);
}
void brcms_debugfs_detach(struct brcms_pub *drvr)
{
if (!IS_ERR_OR_NULL(drvr->dbgfs_dir))
debugfs_remove_recursive(drvr->dbgfs_dir);
}
struct dentry *brcms_debugfs_get_devdir(struct brcms_pub *drvr)
{
return drvr->dbgfs_dir;
}
static
int brcms_debugfs_hardware_read(struct seq_file *s, void *data)
{
struct brcms_pub *drvr = s->private;
seq_printf(s, "board vendor: %x\n"
"board type: %x\n"
"board revision: %x\n"
"board flags: %x\n"
"board flags2: %x\n"
"firmware revision: %x\n",
drvr->wlc->hw->d11core->bus->boardinfo.vendor,
drvr->wlc->hw->d11core->bus->boardinfo.type,
drvr->wlc->hw->boardrev,
drvr->wlc->hw->boardflags,
drvr->wlc->hw->boardflags2,
drvr->wlc->ucode_rev);
return 0;
}
static int brcms_debugfs_macstat_read(struct seq_file *s, void *data)
{
struct brcms_pub *drvr = s->private;
struct brcms_info *wl = drvr->ieee_hw->priv;
struct macstat stats;
int i;
spin_lock_bh(&wl->lock);
stats = *(drvr->wlc->core->macstat_snapshot);
spin_unlock_bh(&wl->lock);
seq_printf(s, "txallfrm: %d\n", stats.txallfrm);
seq_printf(s, "txrtsfrm: %d\n", stats.txrtsfrm);
seq_printf(s, "txctsfrm: %d\n", stats.txctsfrm);
seq_printf(s, "txackfrm: %d\n", stats.txackfrm);
seq_printf(s, "txdnlfrm: %d\n", stats.txdnlfrm);
seq_printf(s, "txbcnfrm: %d\n", stats.txbcnfrm);
seq_printf(s, "txfunfl[8]:");
for (i = 0; i < ARRAY_SIZE(stats.txfunfl); i++)
seq_printf(s, " %d", stats.txfunfl[i]);
seq_printf(s, "\ntxtplunfl: %d\n", stats.txtplunfl);
seq_printf(s, "txphyerr: %d\n", stats.txphyerr);
seq_printf(s, "pktengrxducast: %d\n", stats.pktengrxducast);
seq_printf(s, "pktengrxdmcast: %d\n", stats.pktengrxdmcast);
seq_printf(s, "rxfrmtoolong: %d\n", stats.rxfrmtoolong);
seq_printf(s, "rxfrmtooshrt: %d\n", stats.rxfrmtooshrt);
seq_printf(s, "rxinvmachdr: %d\n", stats.rxinvmachdr);
seq_printf(s, "rxbadfcs: %d\n", stats.rxbadfcs);
seq_printf(s, "rxbadplcp: %d\n", stats.rxbadplcp);
seq_printf(s, "rxcrsglitch: %d\n", stats.rxcrsglitch);
seq_printf(s, "rxstrt: %d\n", stats.rxstrt);
seq_printf(s, "rxdfrmucastmbss: %d\n", stats.rxdfrmucastmbss);
seq_printf(s, "rxmfrmucastmbss: %d\n", stats.rxmfrmucastmbss);
seq_printf(s, "rxcfrmucast: %d\n", stats.rxcfrmucast);
seq_printf(s, "rxrtsucast: %d\n", stats.rxrtsucast);
seq_printf(s, "rxctsucast: %d\n", stats.rxctsucast);
seq_printf(s, "rxackucast: %d\n", stats.rxackucast);
seq_printf(s, "rxdfrmocast: %d\n", stats.rxdfrmocast);
seq_printf(s, "rxmfrmocast: %d\n", stats.rxmfrmocast);
seq_printf(s, "rxcfrmocast: %d\n", stats.rxcfrmocast);
seq_printf(s, "rxrtsocast: %d\n", stats.rxrtsocast);
seq_printf(s, "rxctsocast: %d\n", stats.rxctsocast);
seq_printf(s, "rxdfrmmcast: %d\n", stats.rxdfrmmcast);
seq_printf(s, "rxmfrmmcast: %d\n", stats.rxmfrmmcast);
seq_printf(s, "rxcfrmmcast: %d\n", stats.rxcfrmmcast);
seq_printf(s, "rxbeaconmbss: %d\n", stats.rxbeaconmbss);
seq_printf(s, "rxdfrmucastobss: %d\n", stats.rxdfrmucastobss);
seq_printf(s, "rxbeaconobss: %d\n", stats.rxbeaconobss);
seq_printf(s, "rxrsptmout: %d\n", stats.rxrsptmout);
seq_printf(s, "bcntxcancl: %d\n", stats.bcntxcancl);
seq_printf(s, "rxf0ovfl: %d\n", stats.rxf0ovfl);
seq_printf(s, "rxf1ovfl: %d\n", stats.rxf1ovfl);
seq_printf(s, "rxf2ovfl: %d\n", stats.rxf2ovfl);
seq_printf(s, "txsfovfl: %d\n", stats.txsfovfl);
seq_printf(s, "pmqovfl: %d\n", stats.pmqovfl);
seq_printf(s, "rxcgprqfrm: %d\n", stats.rxcgprqfrm);
seq_printf(s, "rxcgprsqovfl: %d\n", stats.rxcgprsqovfl);
seq_printf(s, "txcgprsfail: %d\n", stats.txcgprsfail);
seq_printf(s, "txcgprssuc: %d\n", stats.txcgprssuc);
seq_printf(s, "prs_timeout: %d\n", stats.prs_timeout);
seq_printf(s, "rxnack: %d\n", stats.rxnack);
seq_printf(s, "frmscons: %d\n", stats.frmscons);
seq_printf(s, "txnack: %d\n", stats.txnack);
seq_printf(s, "txglitch_nack: %d\n", stats.txglitch_nack);
seq_printf(s, "txburst: %d\n", stats.txburst);
seq_printf(s, "bphy_rxcrsglitch: %d\n", stats.bphy_rxcrsglitch);
seq_printf(s, "phywatchdog: %d\n", stats.phywatchdog);
seq_printf(s, "bphy_badplcp: %d\n", stats.bphy_badplcp);
return 0;
}
struct brcms_debugfs_entry {
int (*read)(struct seq_file *seq, void *data);
struct brcms_pub *drvr;
};
static int brcms_debugfs_entry_open(struct inode *inode, struct file *f)
{
struct brcms_debugfs_entry *entry = inode->i_private;
return single_open(f, entry->read, entry->drvr);
}
static const struct file_operations brcms_debugfs_def_ops = {
.owner = THIS_MODULE,
.open = brcms_debugfs_entry_open,
.release = single_release,
.read = seq_read,
.llseek = seq_lseek
};
static int
brcms_debugfs_add_entry(struct brcms_pub *drvr, const char *fn,
int (*read_fn)(struct seq_file *seq, void *data))
{
struct device *dev = &drvr->wlc->hw->d11core->dev;
struct dentry *dentry = drvr->dbgfs_dir;
struct brcms_debugfs_entry *entry;
if (IS_ERR_OR_NULL(dentry))
return -ENOENT;
entry = devm_kzalloc(dev, sizeof(*entry), GFP_KERNEL);
if (!entry)
return -ENOMEM;
entry->read = read_fn;
entry->drvr = drvr;
dentry = debugfs_create_file(fn, S_IRUGO, dentry, entry,
&brcms_debugfs_def_ops);
return PTR_ERR_OR_ZERO(dentry);
}
void brcms_debugfs_create_files(struct brcms_pub *drvr)
{
if (IS_ERR_OR_NULL(drvr->dbgfs_dir))
return;
brcms_debugfs_add_entry(drvr, "hardware", brcms_debugfs_hardware_read);
brcms_debugfs_add_entry(drvr, "macstat", brcms_debugfs_macstat_read);
}
#define __brcms_fn(fn) \
void __brcms_ ##fn(struct device *dev, const char *fmt, ...) \
{ \
struct va_format vaf = { \
.fmt = fmt, \
}; \
va_list args; \
\
va_start(args, fmt); \
vaf.va = &args; \
dev_ ##fn(dev, "%pV", &vaf); \
trace_brcms_ ##fn(&vaf); \
va_end(args); \
}
__brcms_fn(info)
__brcms_fn(warn)
__brcms_fn(err)
__brcms_fn(crit)
#if defined(CONFIG_BRCMDBG) || defined(CONFIG_BRCM_TRACING)
void __brcms_dbg(struct device *dev, u32 level, const char *func,
const char *fmt, ...)
{
struct va_format vaf = {
.fmt = fmt,
};
va_list args;
va_start(args, fmt);
vaf.va = &args;
#ifdef CONFIG_BRCMDBG
if ((brcm_msg_level & level) && net_ratelimit())
dev_err(dev, "%s %pV", func, &vaf);
#endif
trace_brcms_dbg(level, func, &vaf);
va_end(args);
}
#endif
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