| /* |
| * 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" |
| #include "phy/phy_int.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; |
| struct brcms_hardware *hw = drvr->wlc->hw; |
| struct bcma_device *core = hw->d11core; |
| struct bcma_bus *bus = core->bus; |
| char boardrev[BRCMU_BOARDREV_LEN]; |
| |
| seq_printf(s, "chipnum 0x%x\n" |
| "chiprev 0x%x\n" |
| "chippackage 0x%x\n" |
| "corerev 0x%x\n" |
| "boardid 0x%x\n" |
| "boardvendor 0x%x\n" |
| "boardrev %s\n" |
| "boardflags 0x%x\n" |
| "boardflags2 0x%x\n" |
| "ucoderev 0x%x\n" |
| "radiorev 0x%x\n" |
| "phytype 0x%x\n" |
| "phyrev 0x%x\n" |
| "anarev 0x%x\n" |
| "nvramrev %d\n", |
| bus->chipinfo.id, bus->chipinfo.rev, bus->chipinfo.pkg, |
| core->id.rev, bus->boardinfo.type, bus->boardinfo.vendor, |
| brcmu_boardrev_str(hw->boardrev, boardrev), |
| drvr->wlc->hw->boardflags, drvr->wlc->hw->boardflags2, |
| drvr->wlc->ucode_rev, hw->band->radiorev, |
| hw->band->phytype, hw->band->phyrev, hw->band->pi->ana_rev, |
| hw->sromrev); |
| 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 |