2 * Copyright (c) 2012 Broadcom Corporation
3 * Copyright (c) 2012 Canonical Ltd.
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.
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.
17 #include <linux/debugfs.h>
18 #include <linux/if_ether.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>
27 #include <brcmu_wifi.h>
28 #include <brcmu_utils.h>
32 #include "brcms_trace_events.h"
33 #include "phy/phy_int.h"
35 static struct dentry *root_folder;
37 void brcms_debugfs_init(void)
39 root_folder = debugfs_create_dir(KBUILD_MODNAME, NULL);
42 void brcms_debugfs_exit(void)
44 debugfs_remove_recursive(root_folder);
48 void brcms_debugfs_attach(struct brcms_pub *drvr)
50 drvr->dbgfs_dir = debugfs_create_dir(
51 dev_name(&drvr->wlc->hw->d11core->dev), root_folder);
54 void brcms_debugfs_detach(struct brcms_pub *drvr)
56 debugfs_remove_recursive(drvr->dbgfs_dir);
59 struct dentry *brcms_debugfs_get_devdir(struct brcms_pub *drvr)
61 return drvr->dbgfs_dir;
65 int brcms_debugfs_hardware_read(struct seq_file *s, void *data)
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];
73 seq_printf(s, "chipnum 0x%x\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,
98 static int brcms_debugfs_macstat_read(struct seq_file *s, void *data)
100 struct brcms_pub *drvr = s->private;
101 struct brcms_info *wl = drvr->ieee_hw->priv;
102 struct macstat stats;
105 spin_lock_bh(&wl->lock);
106 stats = *(drvr->wlc->core->macstat_snapshot);
107 spin_unlock_bh(&wl->lock);
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);
169 struct brcms_debugfs_entry {
170 int (*read)(struct seq_file *seq, void *data);
171 struct brcms_pub *drvr;
174 static int brcms_debugfs_entry_open(struct inode *inode, struct file *f)
176 struct brcms_debugfs_entry *entry = inode->i_private;
178 return single_open(f, entry->read, entry->drvr);
181 static const struct file_operations brcms_debugfs_def_ops = {
182 .owner = THIS_MODULE,
183 .open = brcms_debugfs_entry_open,
184 .release = single_release,
190 brcms_debugfs_add_entry(struct brcms_pub *drvr, const char *fn,
191 int (*read_fn)(struct seq_file *seq, void *data))
193 struct device *dev = &drvr->wlc->hw->d11core->dev;
194 struct dentry *dentry = drvr->dbgfs_dir;
195 struct brcms_debugfs_entry *entry;
197 entry = devm_kzalloc(dev, sizeof(*entry), GFP_KERNEL);
201 entry->read = read_fn;
204 debugfs_create_file(fn, 0444, dentry, entry, &brcms_debugfs_def_ops);
207 void brcms_debugfs_create_files(struct brcms_pub *drvr)
209 brcms_debugfs_add_entry(drvr, "hardware", brcms_debugfs_hardware_read);
210 brcms_debugfs_add_entry(drvr, "macstat", brcms_debugfs_macstat_read);
213 #define __brcms_fn(fn) \
214 void __brcms_ ##fn(struct device *dev, const char *fmt, ...) \
216 struct va_format vaf = { \
221 va_start(args, fmt); \
223 dev_ ##fn(dev, "%pV", &vaf); \
224 trace_brcms_ ##fn(&vaf); \
233 #if defined(CONFIG_BRCMDBG) || defined(CONFIG_BRCM_TRACING)
234 void __brcms_dbg(struct device *dev, u32 level, const char *func,
235 const char *fmt, ...)
237 struct va_format vaf = {
244 #ifdef CONFIG_BRCMDBG
245 if ((brcm_msg_level & level) && net_ratelimit())
246 dev_err(dev, "%s %pV", func, &vaf);
248 trace_brcms_dbg(level, func, &vaf);