1/* 2 * Copyright (c) 2012 Broadcom Corporation 3 * Copyright (c) 2012 Canonical Ltd. 4 * 5 * Permission to use, copy, modify, and/or distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 12 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION 14 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 15 * 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 64static 65int 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_lseek 187}; 188 189static void 190brcms_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_BRCMDBG 245 if ((brcm_msg_level & level) && net_ratelimit()) 246 dev_err(dev, "%s %pV", func, &vaf); 247#endif 248 trace_brcms_dbg(level, func, &vaf); 249 va_end(args); 250} 251#endif 252