271 lines
8.3 KiB
C
271 lines
8.3 KiB
C
/*
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* Copyright (c) 2012 Broadcom Corporation
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* Copyright (c) 2012 Canonical Ltd.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <linux/debugfs.h>
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#include <linux/if_ether.h>
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#include <linux/if.h>
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#include <linux/net.h>
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#include <linux/netdevice.h>
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#include <linux/ieee80211.h>
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#include <linux/module.h>
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#include <net/mac80211.h>
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#include <defs.h>
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#include <brcmu_wifi.h>
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#include <brcmu_utils.h>
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#include "types.h"
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#include "main.h"
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#include "debug.h"
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#include "brcms_trace_events.h"
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#include "phy/phy_int.h"
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static struct dentry *root_folder;
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void brcms_debugfs_init(void)
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{
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root_folder = debugfs_create_dir(KBUILD_MODNAME, NULL);
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if (IS_ERR(root_folder))
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root_folder = NULL;
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}
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void brcms_debugfs_exit(void)
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{
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if (!root_folder)
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return;
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debugfs_remove_recursive(root_folder);
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root_folder = NULL;
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}
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int brcms_debugfs_attach(struct brcms_pub *drvr)
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{
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if (!root_folder)
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return -ENODEV;
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drvr->dbgfs_dir = debugfs_create_dir(
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dev_name(&drvr->wlc->hw->d11core->dev), root_folder);
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return PTR_ERR_OR_ZERO(drvr->dbgfs_dir);
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}
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void brcms_debugfs_detach(struct brcms_pub *drvr)
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{
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if (!IS_ERR_OR_NULL(drvr->dbgfs_dir))
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debugfs_remove_recursive(drvr->dbgfs_dir);
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}
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struct dentry *brcms_debugfs_get_devdir(struct brcms_pub *drvr)
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{
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return drvr->dbgfs_dir;
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}
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static
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int brcms_debugfs_hardware_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_hardware *hw = drvr->wlc->hw;
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struct bcma_device *core = hw->d11core;
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struct bcma_bus *bus = core->bus;
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char boardrev[BRCMU_BOARDREV_LEN];
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seq_printf(s, "chipnum 0x%x\n"
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"chiprev 0x%x\n"
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"chippackage 0x%x\n"
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"corerev 0x%x\n"
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"boardid 0x%x\n"
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"boardvendor 0x%x\n"
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"boardrev %s\n"
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"boardflags 0x%x\n"
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"boardflags2 0x%x\n"
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"ucoderev 0x%x\n"
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"radiorev 0x%x\n"
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"phytype 0x%x\n"
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"phyrev 0x%x\n"
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"anarev 0x%x\n"
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"nvramrev %d\n",
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bus->chipinfo.id, bus->chipinfo.rev, bus->chipinfo.pkg,
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core->id.rev, bus->boardinfo.type, bus->boardinfo.vendor,
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brcmu_boardrev_str(hw->boardrev, boardrev),
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drvr->wlc->hw->boardflags, drvr->wlc->hw->boardflags2,
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drvr->wlc->ucode_rev, hw->band->radiorev,
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hw->band->phytype, hw->band->phyrev, hw->band->pi->ana_rev,
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hw->sromrev);
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return 0;
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}
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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, 0444, 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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if (IS_ERR_OR_NULL(drvr->dbgfs_dir))
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return;
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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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void __brcms_ ##fn(struct device *dev, const char *fmt, ...) \
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{ \
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struct va_format vaf = { \
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.fmt = fmt, \
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}; \
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va_list args; \
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\
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va_start(args, fmt); \
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vaf.va = &args; \
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dev_ ##fn(dev, "%pV", &vaf); \
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trace_brcms_ ##fn(&vaf); \
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va_end(args); \
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}
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__brcms_fn(info)
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__brcms_fn(warn)
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__brcms_fn(err)
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__brcms_fn(crit)
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#if defined(CONFIG_BRCMDBG) || defined(CONFIG_BRCM_TRACING)
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void __brcms_dbg(struct device *dev, u32 level, const char *func,
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const char *fmt, ...)
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{
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struct va_format vaf = {
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.fmt = fmt,
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};
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va_list args;
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va_start(args, fmt);
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vaf.va = &args;
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#ifdef CONFIG_BRCMDBG
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if ((brcm_msg_level & level) && net_ratelimit())
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dev_err(dev, "%s %pV", func, &vaf);
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#endif
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trace_brcms_dbg(level, func, &vaf);
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va_end(args);
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}
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#endif
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