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1/*2 * Copyright (c) 2012 Broadcom Corporation3 * Copyright (c) 2012 Canonical Ltd.4 *5 * Permission to use, copy, modify, and/or distribute this software for any6 * purpose with or without fee is hereby granted, provided that the above7 * copyright notice and this permission notice appear in all copies.8 *9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY12 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION14 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN15 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.16 */17#include <linux/debugfs.h>18#include <linux/if_ether.h>19#include <linux/if.h>20#include <linux/net.h>21#include <linux/netdevice.h>22#include <linux/ieee80211.h>23#include <linux/module.h>24#include <net/mac80211.h>25 26#include <defs.h>27#include <brcmu_wifi.h>28#include <brcmu_utils.h>29#include "types.h"30#include "main.h"31#include "debug.h"32#include "brcms_trace_events.h"33#include "phy/phy_int.h"34 35static struct dentry *root_folder;36 37void brcms_debugfs_init(void)38{39 root_folder = debugfs_create_dir(KBUILD_MODNAME, NULL);40}41 42void brcms_debugfs_exit(void)43{44 debugfs_remove_recursive(root_folder);45 root_folder = NULL;46}47 48void brcms_debugfs_attach(struct brcms_pub *drvr)49{50 drvr->dbgfs_dir = debugfs_create_dir(51 dev_name(&drvr->wlc->hw->d11core->dev), root_folder);52}53 54void brcms_debugfs_detach(struct brcms_pub *drvr)55{56 debugfs_remove_recursive(drvr->dbgfs_dir);57}58 59struct dentry *brcms_debugfs_get_devdir(struct brcms_pub *drvr)60{61 return drvr->dbgfs_dir;62}63 64static65int brcms_debugfs_hardware_read(struct seq_file *s, void *data)66{67 struct brcms_pub *drvr = s->private;68 struct brcms_hardware *hw = drvr->wlc->hw;69 struct bcma_device *core = hw->d11core;70 struct bcma_bus *bus = core->bus;71 char boardrev[BRCMU_BOARDREV_LEN];72 73 seq_printf(s, "chipnum 0x%x\n"74 "chiprev 0x%x\n"75 "chippackage 0x%x\n"76 "corerev 0x%x\n"77 "boardid 0x%x\n"78 "boardvendor 0x%x\n"79 "boardrev %s\n"80 "boardflags 0x%x\n"81 "boardflags2 0x%x\n"82 "ucoderev 0x%x\n"83 "radiorev 0x%x\n"84 "phytype 0x%x\n"85 "phyrev 0x%x\n"86 "anarev 0x%x\n"87 "nvramrev %d\n",88 bus->chipinfo.id, bus->chipinfo.rev, bus->chipinfo.pkg,89 core->id.rev, bus->boardinfo.type, bus->boardinfo.vendor,90 brcmu_boardrev_str(hw->boardrev, boardrev),91 drvr->wlc->hw->boardflags, drvr->wlc->hw->boardflags2,92 drvr->wlc->ucode_rev, hw->band->radiorev,93 hw->band->phytype, hw->band->phyrev, hw->band->pi->ana_rev,94 hw->sromrev);95 return 0;96}97 98static int brcms_debugfs_macstat_read(struct seq_file *s, void *data)99{100 struct brcms_pub *drvr = s->private;101 struct brcms_info *wl = drvr->ieee_hw->priv;102 struct macstat stats;103 int i;104 105 spin_lock_bh(&wl->lock);106 stats = *(drvr->wlc->core->macstat_snapshot);107 spin_unlock_bh(&wl->lock);108 109 seq_printf(s, "txallfrm: %d\n", stats.txallfrm);110 seq_printf(s, "txrtsfrm: %d\n", stats.txrtsfrm);111 seq_printf(s, "txctsfrm: %d\n", stats.txctsfrm);112 seq_printf(s, "txackfrm: %d\n", stats.txackfrm);113 seq_printf(s, "txdnlfrm: %d\n", stats.txdnlfrm);114 seq_printf(s, "txbcnfrm: %d\n", stats.txbcnfrm);115 seq_printf(s, "txfunfl[8]:");116 for (i = 0; i < ARRAY_SIZE(stats.txfunfl); i++)117 seq_printf(s, " %d", stats.txfunfl[i]);118 seq_printf(s, "\ntxtplunfl: %d\n", stats.txtplunfl);119 seq_printf(s, "txphyerr: %d\n", stats.txphyerr);120 seq_printf(s, "pktengrxducast: %d\n", stats.pktengrxducast);121 seq_printf(s, "pktengrxdmcast: %d\n", stats.pktengrxdmcast);122 seq_printf(s, "rxfrmtoolong: %d\n", stats.rxfrmtoolong);123 seq_printf(s, "rxfrmtooshrt: %d\n", stats.rxfrmtooshrt);124 seq_printf(s, "rxinvmachdr: %d\n", stats.rxinvmachdr);125 seq_printf(s, "rxbadfcs: %d\n", stats.rxbadfcs);126 seq_printf(s, "rxbadplcp: %d\n", stats.rxbadplcp);127 seq_printf(s, "rxcrsglitch: %d\n", stats.rxcrsglitch);128 seq_printf(s, "rxstrt: %d\n", stats.rxstrt);129 seq_printf(s, "rxdfrmucastmbss: %d\n", stats.rxdfrmucastmbss);130 seq_printf(s, "rxmfrmucastmbss: %d\n", stats.rxmfrmucastmbss);131 seq_printf(s, "rxcfrmucast: %d\n", stats.rxcfrmucast);132 seq_printf(s, "rxrtsucast: %d\n", stats.rxrtsucast);133 seq_printf(s, "rxctsucast: %d\n", stats.rxctsucast);134 seq_printf(s, "rxackucast: %d\n", stats.rxackucast);135 seq_printf(s, "rxdfrmocast: %d\n", stats.rxdfrmocast);136 seq_printf(s, "rxmfrmocast: %d\n", stats.rxmfrmocast);137 seq_printf(s, "rxcfrmocast: %d\n", stats.rxcfrmocast);138 seq_printf(s, "rxrtsocast: %d\n", stats.rxrtsocast);139 seq_printf(s, "rxctsocast: %d\n", stats.rxctsocast);140 seq_printf(s, "rxdfrmmcast: %d\n", stats.rxdfrmmcast);141 seq_printf(s, "rxmfrmmcast: %d\n", stats.rxmfrmmcast);142 seq_printf(s, "rxcfrmmcast: %d\n", stats.rxcfrmmcast);143 seq_printf(s, "rxbeaconmbss: %d\n", stats.rxbeaconmbss);144 seq_printf(s, "rxdfrmucastobss: %d\n", stats.rxdfrmucastobss);145 seq_printf(s, "rxbeaconobss: %d\n", stats.rxbeaconobss);146 seq_printf(s, "rxrsptmout: %d\n", stats.rxrsptmout);147 seq_printf(s, "bcntxcancl: %d\n", stats.bcntxcancl);148 seq_printf(s, "rxf0ovfl: %d\n", stats.rxf0ovfl);149 seq_printf(s, "rxf1ovfl: %d\n", stats.rxf1ovfl);150 seq_printf(s, "rxf2ovfl: %d\n", stats.rxf2ovfl);151 seq_printf(s, "txsfovfl: %d\n", stats.txsfovfl);152 seq_printf(s, "pmqovfl: %d\n", stats.pmqovfl);153 seq_printf(s, "rxcgprqfrm: %d\n", stats.rxcgprqfrm);154 seq_printf(s, "rxcgprsqovfl: %d\n", stats.rxcgprsqovfl);155 seq_printf(s, "txcgprsfail: %d\n", stats.txcgprsfail);156 seq_printf(s, "txcgprssuc: %d\n", stats.txcgprssuc);157 seq_printf(s, "prs_timeout: %d\n", stats.prs_timeout);158 seq_printf(s, "rxnack: %d\n", stats.rxnack);159 seq_printf(s, "frmscons: %d\n", stats.frmscons);160 seq_printf(s, "txnack: %d\n", stats.txnack);161 seq_printf(s, "txglitch_nack: %d\n", stats.txglitch_nack);162 seq_printf(s, "txburst: %d\n", stats.txburst);163 seq_printf(s, "bphy_rxcrsglitch: %d\n", stats.bphy_rxcrsglitch);164 seq_printf(s, "phywatchdog: %d\n", stats.phywatchdog);165 seq_printf(s, "bphy_badplcp: %d\n", stats.bphy_badplcp);166 return 0;167}168 169struct brcms_debugfs_entry {170 int (*read)(struct seq_file *seq, void *data);171 struct brcms_pub *drvr;172};173 174static int brcms_debugfs_entry_open(struct inode *inode, struct file *f)175{176 struct brcms_debugfs_entry *entry = inode->i_private;177 178 return single_open(f, entry->read, entry->drvr);179}180 181static const struct file_operations brcms_debugfs_def_ops = {182 .owner = THIS_MODULE,183 .open = brcms_debugfs_entry_open,184 .release = single_release,185 .read = seq_read,186 .llseek = seq_lseek187};188 189static void190brcms_debugfs_add_entry(struct brcms_pub *drvr, const char *fn,191 int (*read_fn)(struct seq_file *seq, void *data))192{193 struct device *dev = &drvr->wlc->hw->d11core->dev;194 struct dentry *dentry = drvr->dbgfs_dir;195 struct brcms_debugfs_entry *entry;196 197 entry = devm_kzalloc(dev, sizeof(*entry), GFP_KERNEL);198 if (!entry)199 return;200 201 entry->read = read_fn;202 entry->drvr = drvr;203 204 debugfs_create_file(fn, 0444, dentry, entry, &brcms_debugfs_def_ops);205}206 207void brcms_debugfs_create_files(struct brcms_pub *drvr)208{209 brcms_debugfs_add_entry(drvr, "hardware", brcms_debugfs_hardware_read);210 brcms_debugfs_add_entry(drvr, "macstat", brcms_debugfs_macstat_read);211}212 213#define __brcms_fn(fn) \214void __brcms_ ##fn(struct device *dev, const char *fmt, ...) \215{ \216 struct va_format vaf = { \217 .fmt = fmt, \218 }; \219 va_list args; \220 \221 va_start(args, fmt); \222 vaf.va = &args; \223 dev_ ##fn(dev, "%pV", &vaf); \224 trace_brcms_ ##fn(&vaf); \225 va_end(args); \226}227 228__brcms_fn(info)229__brcms_fn(warn)230__brcms_fn(err)231__brcms_fn(crit)232 233#if defined(CONFIG_BRCMDBG) || defined(CONFIG_BRCM_TRACING)234void __brcms_dbg(struct device *dev, u32 level, const char *func,235 const char *fmt, ...)236{237 struct va_format vaf = {238 .fmt = fmt,239 };240 va_list args;241 242 va_start(args, fmt);243 vaf.va = &args;244#ifdef CONFIG_BRCMDBG245 if ((brcm_msg_level & level) && net_ratelimit())246 dev_err(dev, "%s %pV", func, &vaf);247#endif248 trace_brcms_dbg(level, func, &vaf);249 va_end(args);250}251#endif252