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brcmsmac: expose 802.11 core statistics in debugfs
The 802.11 statistics obtained from the device can be retrieved dumping the 'macstat' file in debugfs folder. Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Arend van Spriel
John W. Linville
parent
9146782b1b
commit
3fe33c4cec
@ -71,19 +71,11 @@ struct dentry *brcms_debugfs_get_devdir(struct brcms_pub *drvr)
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}
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static
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ssize_t brcms_debugfs_hardware_read(struct file *f, char __user *data,
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size_t count, loff_t *ppos)
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int brcms_debugfs_hardware_read(struct seq_file *s, void *data)
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{
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char buf[128];
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int res;
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struct brcms_pub *drvr = f->private_data;
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struct brcms_pub *drvr = s->private;
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/* only allow read from start */
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if (*ppos > 0)
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return 0;
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res = scnprintf(buf, sizeof(buf),
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"board vendor: %x\n"
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seq_printf(s, "board vendor: %x\n"
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"board type: %x\n"
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"board revision: %x\n"
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"board flags: %x\n"
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@ -94,25 +86,133 @@ ssize_t brcms_debugfs_hardware_read(struct file *f, char __user *data,
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drvr->wlc->hw->boardrev,
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drvr->wlc->hw->boardflags,
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drvr->wlc->hw->boardflags2,
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drvr->wlc->ucode_rev
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);
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drvr->wlc->ucode_rev);
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return simple_read_from_buffer(data, count, ppos, buf, res);
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return 0;
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}
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static const struct file_operations brcms_debugfs_hardware_ops = {
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.owner = THIS_MODULE,
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.open = simple_open,
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.read = brcms_debugfs_hardware_read
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static int brcms_debugfs_macstat_read(struct seq_file *s, void *data)
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{
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struct brcms_pub *drvr = s->private;
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struct brcms_info *wl = drvr->ieee_hw->priv;
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struct macstat stats;
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int i;
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spin_lock_bh(&wl->lock);
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stats = *(drvr->wlc->core->macstat_snapshot);
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spin_unlock_bh(&wl->lock);
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seq_printf(s, "txallfrm: %d\n", stats.txallfrm);
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seq_printf(s, "txrtsfrm: %d\n", stats.txrtsfrm);
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seq_printf(s, "txctsfrm: %d\n", stats.txctsfrm);
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seq_printf(s, "txackfrm: %d\n", stats.txackfrm);
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seq_printf(s, "txdnlfrm: %d\n", stats.txdnlfrm);
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seq_printf(s, "txbcnfrm: %d\n", stats.txbcnfrm);
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seq_printf(s, "txfunfl[8]:");
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for (i = 0; i < ARRAY_SIZE(stats.txfunfl); i++)
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seq_printf(s, " %d", stats.txfunfl[i]);
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seq_printf(s, "\ntxtplunfl: %d\n", stats.txtplunfl);
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seq_printf(s, "txphyerr: %d\n", stats.txphyerr);
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seq_printf(s, "pktengrxducast: %d\n", stats.pktengrxducast);
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seq_printf(s, "pktengrxdmcast: %d\n", stats.pktengrxdmcast);
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seq_printf(s, "rxfrmtoolong: %d\n", stats.rxfrmtoolong);
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seq_printf(s, "rxfrmtooshrt: %d\n", stats.rxfrmtooshrt);
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seq_printf(s, "rxinvmachdr: %d\n", stats.rxinvmachdr);
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seq_printf(s, "rxbadfcs: %d\n", stats.rxbadfcs);
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seq_printf(s, "rxbadplcp: %d\n", stats.rxbadplcp);
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seq_printf(s, "rxcrsglitch: %d\n", stats.rxcrsglitch);
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seq_printf(s, "rxstrt: %d\n", stats.rxstrt);
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seq_printf(s, "rxdfrmucastmbss: %d\n", stats.rxdfrmucastmbss);
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seq_printf(s, "rxmfrmucastmbss: %d\n", stats.rxmfrmucastmbss);
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seq_printf(s, "rxcfrmucast: %d\n", stats.rxcfrmucast);
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seq_printf(s, "rxrtsucast: %d\n", stats.rxrtsucast);
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seq_printf(s, "rxctsucast: %d\n", stats.rxctsucast);
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seq_printf(s, "rxackucast: %d\n", stats.rxackucast);
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seq_printf(s, "rxdfrmocast: %d\n", stats.rxdfrmocast);
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seq_printf(s, "rxmfrmocast: %d\n", stats.rxmfrmocast);
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seq_printf(s, "rxcfrmocast: %d\n", stats.rxcfrmocast);
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seq_printf(s, "rxrtsocast: %d\n", stats.rxrtsocast);
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seq_printf(s, "rxctsocast: %d\n", stats.rxctsocast);
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seq_printf(s, "rxdfrmmcast: %d\n", stats.rxdfrmmcast);
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seq_printf(s, "rxmfrmmcast: %d\n", stats.rxmfrmmcast);
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seq_printf(s, "rxcfrmmcast: %d\n", stats.rxcfrmmcast);
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seq_printf(s, "rxbeaconmbss: %d\n", stats.rxbeaconmbss);
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seq_printf(s, "rxdfrmucastobss: %d\n", stats.rxdfrmucastobss);
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seq_printf(s, "rxbeaconobss: %d\n", stats.rxbeaconobss);
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seq_printf(s, "rxrsptmout: %d\n", stats.rxrsptmout);
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seq_printf(s, "bcntxcancl: %d\n", stats.bcntxcancl);
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seq_printf(s, "rxf0ovfl: %d\n", stats.rxf0ovfl);
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seq_printf(s, "rxf1ovfl: %d\n", stats.rxf1ovfl);
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seq_printf(s, "rxf2ovfl: %d\n", stats.rxf2ovfl);
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seq_printf(s, "txsfovfl: %d\n", stats.txsfovfl);
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seq_printf(s, "pmqovfl: %d\n", stats.pmqovfl);
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seq_printf(s, "rxcgprqfrm: %d\n", stats.rxcgprqfrm);
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seq_printf(s, "rxcgprsqovfl: %d\n", stats.rxcgprsqovfl);
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seq_printf(s, "txcgprsfail: %d\n", stats.txcgprsfail);
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seq_printf(s, "txcgprssuc: %d\n", stats.txcgprssuc);
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seq_printf(s, "prs_timeout: %d\n", stats.prs_timeout);
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seq_printf(s, "rxnack: %d\n", stats.rxnack);
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seq_printf(s, "frmscons: %d\n", stats.frmscons);
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seq_printf(s, "txnack: %d\n", stats.txnack);
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seq_printf(s, "txglitch_nack: %d\n", stats.txglitch_nack);
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seq_printf(s, "txburst: %d\n", stats.txburst);
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seq_printf(s, "bphy_rxcrsglitch: %d\n", stats.bphy_rxcrsglitch);
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seq_printf(s, "phywatchdog: %d\n", stats.phywatchdog);
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seq_printf(s, "bphy_badplcp: %d\n", stats.bphy_badplcp);
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return 0;
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}
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struct brcms_debugfs_entry {
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int (*read)(struct seq_file *seq, void *data);
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struct brcms_pub *drvr;
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};
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static int brcms_debugfs_entry_open(struct inode *inode, struct file *f)
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{
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struct brcms_debugfs_entry *entry = inode->i_private;
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return single_open(f, entry->read, entry->drvr);
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}
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static const struct file_operations brcms_debugfs_def_ops = {
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.owner = THIS_MODULE,
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.open = brcms_debugfs_entry_open,
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.release = single_release,
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.read = seq_read,
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.llseek = seq_lseek
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};
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static int
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brcms_debugfs_add_entry(struct brcms_pub *drvr, const char *fn,
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int (*read_fn)(struct seq_file *seq, void *data))
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{
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struct device *dev = &drvr->wlc->hw->d11core->dev;
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struct dentry *dentry = drvr->dbgfs_dir;
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struct brcms_debugfs_entry *entry;
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if (IS_ERR_OR_NULL(dentry))
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return -ENOENT;
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entry = devm_kzalloc(dev, sizeof(*entry), GFP_KERNEL);
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if (!entry)
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return -ENOMEM;
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entry->read = read_fn;
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entry->drvr = drvr;
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dentry = debugfs_create_file(fn, S_IRUGO, dentry, entry,
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&brcms_debugfs_def_ops);
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return PTR_ERR_OR_ZERO(dentry);
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}
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void brcms_debugfs_create_files(struct brcms_pub *drvr)
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{
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struct dentry *dentry = drvr->dbgfs_dir;
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if (IS_ERR_OR_NULL(drvr->dbgfs_dir))
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return;
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if (!IS_ERR_OR_NULL(dentry))
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debugfs_create_file("hardware", S_IRUGO, dentry,
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drvr, &brcms_debugfs_hardware_ops);
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brcms_debugfs_add_entry(drvr, "hardware", brcms_debugfs_hardware_read);
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brcms_debugfs_add_entry(drvr, "macstat", brcms_debugfs_macstat_read);
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}
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#define __brcms_fn(fn) \
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