drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.c - maze/linux - Git at Google

 /*
  * Copyright (c) 2012 Broadcom Corporation
  *
  * 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/netdevice.h>
 #include <linux/module.h>

 #include <brcmu_wifi.h>
 #include <brcmu_utils.h>
 #include "dhd.h"
 #include "dhd_bus.h"
 #include "dhd_dbg.h"

 static struct dentry *root_folder;

 void brcmf_debugfs_init(void)
 {
 	root_folder = debugfs_create_dir(KBUILD_MODNAME, NULL);
 	if (IS_ERR(root_folder))
 		root_folder = NULL;
 }

 void brcmf_debugfs_exit(void)
 {
 	if (!root_folder)
 		return;

 	debugfs_remove_recursive(root_folder);
 	root_folder = NULL;
 }

 static
 ssize_t brcmf_debugfs_chipinfo_read(struct file *f, char __user *data,
 				   size_t count, loff_t *ppos)
 {
 	struct brcmf_pub *drvr = f->private_data;
 	struct brcmf_bus *bus = drvr->bus_if;
 	char buf[40];
 	int res;

 	/* only allow read from start */
 	if (*ppos > 0)
 		return 0;

 	res = scnprintf(buf, sizeof(buf), "chip: %x(%u) rev %u\n",
 			bus->chip, bus->chip, bus->chiprev);
 	return simple_read_from_buffer(data, count, ppos, buf, res);
 }

 static const struct file_operations brcmf_debugfs_chipinfo_ops = {
 	.owner = THIS_MODULE,
 	.open = simple_open,
 	.read = brcmf_debugfs_chipinfo_read
 };

 static int brcmf_debugfs_create_chipinfo(struct brcmf_pub *drvr)
 {
 	struct dentry *dentry =  drvr->dbgfs_dir;

 	if (!IS_ERR_OR_NULL(dentry))
 		debugfs_create_file("chipinfo", S_IRUGO, dentry, drvr,
 				    &brcmf_debugfs_chipinfo_ops);
 	return 0;
 }

 int brcmf_debugfs_attach(struct brcmf_pub *drvr)
 {
 	struct device *dev = drvr->bus_if->dev;

 	if (!root_folder)
 		return -ENODEV;

 	drvr->dbgfs_dir = debugfs_create_dir(dev_name(dev), root_folder);
 	brcmf_debugfs_create_chipinfo(drvr);
 	return PTR_ERR_OR_ZERO(drvr->dbgfs_dir);
 }

 void brcmf_debugfs_detach(struct brcmf_pub *drvr)
 {
 	if (!IS_ERR_OR_NULL(drvr->dbgfs_dir))
 		debugfs_remove_recursive(drvr->dbgfs_dir);
 }

 struct dentry *brcmf_debugfs_get_devdir(struct brcmf_pub *drvr)
 {
 	return drvr->dbgfs_dir;
 }

 static
 ssize_t brcmf_debugfs_sdio_counter_read(struct file *f, char __user *data,
 					size_t count, loff_t *ppos)
 {
 	struct brcmf_sdio_count *sdcnt = f->private_data;
 	char buf[750];
 	int res;

 	/* only allow read from start */
 	if (*ppos > 0)
 		return 0;

 	res = scnprintf(buf, sizeof(buf),
 			"intrcount:    %u\nlastintrs:    %u\n"
 			"pollcnt:      %u\nregfails:     %u\n"
 			"tx_sderrs:    %u\nfcqueued:     %u\n"
 			"rxrtx:        %u\nrx_toolong:   %u\n"
 			"rxc_errors:   %u\nrx_hdrfail:   %u\n"
 			"rx_badhdr:    %u\nrx_badseq:    %u\n"
 			"fc_rcvd:      %u\nfc_xoff:      %u\n"
 			"fc_xon:       %u\nrxglomfail:   %u\n"
 			"rxglomframes: %u\nrxglompkts:   %u\n"
 			"f2rxhdrs:     %u\nf2rxdata:     %u\n"
 			"f2txdata:     %u\nf1regdata:    %u\n"
 			"tickcnt:      %u\ntx_ctlerrs:   %lu\n"
 			"tx_ctlpkts:   %lu\nrx_ctlerrs:   %lu\n"
 			"rx_ctlpkts:   %lu\nrx_readahead: %lu\n",
 			sdcnt->intrcount, sdcnt->lastintrs,
 			sdcnt->pollcnt, sdcnt->regfails,
 			sdcnt->tx_sderrs, sdcnt->fcqueued,
 			sdcnt->rxrtx, sdcnt->rx_toolong,
 			sdcnt->rxc_errors, sdcnt->rx_hdrfail,
 			sdcnt->rx_badhdr, sdcnt->rx_badseq,
 			sdcnt->fc_rcvd, sdcnt->fc_xoff,
 			sdcnt->fc_xon, sdcnt->rxglomfail,
 			sdcnt->rxglomframes, sdcnt->rxglompkts,
 			sdcnt->f2rxhdrs, sdcnt->f2rxdata,
 			sdcnt->f2txdata, sdcnt->f1regdata,
 			sdcnt->tickcnt, sdcnt->tx_ctlerrs,
 			sdcnt->tx_ctlpkts, sdcnt->rx_ctlerrs,
 			sdcnt->rx_ctlpkts, sdcnt->rx_readahead_cnt);

 	return simple_read_from_buffer(data, count, ppos, buf, res);
 }

 static const struct file_operations brcmf_debugfs_sdio_counter_ops = {
 	.owner = THIS_MODULE,
 	.open = simple_open,
 	.read = brcmf_debugfs_sdio_counter_read
 };

 void brcmf_debugfs_create_sdio_count(struct brcmf_pub *drvr,
 				     struct brcmf_sdio_count *sdcnt)
 {
 	struct dentry *dentry = drvr->dbgfs_dir;

 	if (!IS_ERR_OR_NULL(dentry))
 		debugfs_create_file("counters", S_IRUGO, dentry,
 				    sdcnt, &brcmf_debugfs_sdio_counter_ops);
 }

 static
 ssize_t brcmf_debugfs_fws_stats_read(struct file *f, char __user *data,
 				     size_t count, loff_t *ppos)
 {
 	struct brcmf_fws_stats *fwstats = f->private_data;
 	char buf[650];
 	int res;

 	/* only allow read from start */
 	if (*ppos > 0)
 		return 0;

 	res = scnprintf(buf, sizeof(buf),
 			"header_pulls:      %u\n"
 			"header_only_pkt:   %u\n"
 			"tlv_parse_failed:  %u\n"
 			"tlv_invalid_type:  %u\n"
 			"mac_update_fails:  %u\n"
 			"ps_update_fails:   %u\n"
 			"if_update_fails:   %u\n"
 			"pkt2bus:           %u\n"
 			"generic_error:     %u\n"
 			"rollback_success:  %u\n"
 			"rollback_failed:   %u\n"
 			"delayq_full:       %u\n"
 			"supprq_full:       %u\n"
 			"txs_indicate:      %u\n"
 			"txs_discard:       %u\n"
 			"txs_suppr_core:    %u\n"
 			"txs_suppr_ps:      %u\n"
 			"txs_tossed:        %u\n"
 			"txs_host_tossed:   %u\n"
 			"bus_flow_block:    %u\n"
 			"fws_flow_block:    %u\n"
 			"send_pkts:         BK:%u BE:%u VO:%u VI:%u BCMC:%u\n"
 			"requested_sent:    BK:%u BE:%u VO:%u VI:%u BCMC:%u\n",
 			fwstats->header_pulls,
 			fwstats->header_only_pkt,
 			fwstats->tlv_parse_failed,
 			fwstats->tlv_invalid_type,
 			fwstats->mac_update_failed,
 			fwstats->mac_ps_update_failed,
 			fwstats->if_update_failed,
 			fwstats->pkt2bus,
 			fwstats->generic_error,
 			fwstats->rollback_success,
 			fwstats->rollback_failed,
 			fwstats->delayq_full_error,
 			fwstats->supprq_full_error,
 			fwstats->txs_indicate,
 			fwstats->txs_discard,
 			fwstats->txs_supp_core,
 			fwstats->txs_supp_ps,
 			fwstats->txs_tossed,
 			fwstats->txs_host_tossed,
 			fwstats->bus_flow_block,
 			fwstats->fws_flow_block,
 			fwstats->send_pkts[0], fwstats->send_pkts[1],
 			fwstats->send_pkts[2], fwstats->send_pkts[3],
 			fwstats->send_pkts[4],
 			fwstats->requested_sent[0],
 			fwstats->requested_sent[1],
 			fwstats->requested_sent[2],
 			fwstats->requested_sent[3],
 			fwstats->requested_sent[4]);

 	return simple_read_from_buffer(data, count, ppos, buf, res);
 }

 static const struct file_operations brcmf_debugfs_fws_stats_ops = {
 	.owner = THIS_MODULE,
 	.open = simple_open,
 	.read = brcmf_debugfs_fws_stats_read
 };

 void brcmf_debugfs_create_fws_stats(struct brcmf_pub *drvr,
 				    struct brcmf_fws_stats *stats)
 {
 	struct dentry *dentry =  drvr->dbgfs_dir;

 	if (!IS_ERR_OR_NULL(dentry))
 		debugfs_create_file("fws_stats", S_IRUGO, dentry,
 				    stats, &brcmf_debugfs_fws_stats_ops);
 }
	/*
	* Copyright (c) 2012 Broadcom Corporation
	*
	* 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/netdevice.h>
	#include <linux/module.h>

	#include <brcmu_wifi.h>
	#include <brcmu_utils.h>
	#include "dhd.h"
	#include "dhd_bus.h"
	#include "dhd_dbg.h"

	static struct dentry *root_folder;

	void brcmf_debugfs_init(void)
	{
	root_folder = debugfs_create_dir(KBUILD_MODNAME, NULL);
	if (IS_ERR(root_folder))
	root_folder = NULL;
	}

	void brcmf_debugfs_exit(void)
	{
	if (!root_folder)
	return;

	debugfs_remove_recursive(root_folder);
	root_folder = NULL;
	}

	static
	ssize_t brcmf_debugfs_chipinfo_read(struct file f, char __user data,
	size_t count, loff_t *ppos)
	{
	struct brcmf_pub *drvr = f->private_data;
	struct brcmf_bus *bus = drvr->bus_if;
	char buf[40];
	int res;

	/* only allow read from start */
	if (*ppos > 0)
	return 0;

	res = scnprintf(buf, sizeof(buf), "chip: %x(%u) rev %u\n",
	bus->chip, bus->chip, bus->chiprev);
	return simple_read_from_buffer(data, count, ppos, buf, res);
	}

	static const struct file_operations brcmf_debugfs_chipinfo_ops = {
	.owner = THIS_MODULE,
	.open = simple_open,
	.read = brcmf_debugfs_chipinfo_read
	};

	static int brcmf_debugfs_create_chipinfo(struct brcmf_pub *drvr)
	{
	struct dentry *dentry = drvr->dbgfs_dir;

	if (!IS_ERR_OR_NULL(dentry))
	debugfs_create_file("chipinfo", S_IRUGO, dentry, drvr,
	&brcmf_debugfs_chipinfo_ops);
	return 0;
	}

	int brcmf_debugfs_attach(struct brcmf_pub *drvr)
	{
	struct device *dev = drvr->bus_if->dev;

	if (!root_folder)
	return -ENODEV;

	drvr->dbgfs_dir = debugfs_create_dir(dev_name(dev), root_folder);
	brcmf_debugfs_create_chipinfo(drvr);
	return PTR_ERR_OR_ZERO(drvr->dbgfs_dir);
	}

	void brcmf_debugfs_detach(struct brcmf_pub *drvr)
	{
	if (!IS_ERR_OR_NULL(drvr->dbgfs_dir))
	debugfs_remove_recursive(drvr->dbgfs_dir);
	}

	struct dentry brcmf_debugfs_get_devdir(struct brcmf_pub drvr)
	{
	return drvr->dbgfs_dir;
	}

	static
	ssize_t brcmf_debugfs_sdio_counter_read(struct file f, char __user data,
	size_t count, loff_t *ppos)
	{
	struct brcmf_sdio_count *sdcnt = f->private_data;
	char buf[750];
	int res;

	/* only allow read from start */
	if (*ppos > 0)
	return 0;

	res = scnprintf(buf, sizeof(buf),
	"intrcount: %u\nlastintrs: %u\n"
	"pollcnt: %u\nregfails: %u\n"
	"tx_sderrs: %u\nfcqueued: %u\n"
	"rxrtx: %u\nrx_toolong: %u\n"
	"rxc_errors: %u\nrx_hdrfail: %u\n"
	"rx_badhdr: %u\nrx_badseq: %u\n"
	"fc_rcvd: %u\nfc_xoff: %u\n"
	"fc_xon: %u\nrxglomfail: %u\n"
	"rxglomframes: %u\nrxglompkts: %u\n"
	"f2rxhdrs: %u\nf2rxdata: %u\n"
	"f2txdata: %u\nf1regdata: %u\n"
	"tickcnt: %u\ntx_ctlerrs: %lu\n"
	"tx_ctlpkts: %lu\nrx_ctlerrs: %lu\n"
	"rx_ctlpkts: %lu\nrx_readahead: %lu\n",
	sdcnt->intrcount, sdcnt->lastintrs,
	sdcnt->pollcnt, sdcnt->regfails,
	sdcnt->tx_sderrs, sdcnt->fcqueued,
	sdcnt->rxrtx, sdcnt->rx_toolong,
	sdcnt->rxc_errors, sdcnt->rx_hdrfail,
	sdcnt->rx_badhdr, sdcnt->rx_badseq,
	sdcnt->fc_rcvd, sdcnt->fc_xoff,
	sdcnt->fc_xon, sdcnt->rxglomfail,
	sdcnt->rxglomframes, sdcnt->rxglompkts,
	sdcnt->f2rxhdrs, sdcnt->f2rxdata,
	sdcnt->f2txdata, sdcnt->f1regdata,
	sdcnt->tickcnt, sdcnt->tx_ctlerrs,
	sdcnt->tx_ctlpkts, sdcnt->rx_ctlerrs,
	sdcnt->rx_ctlpkts, sdcnt->rx_readahead_cnt);

	return simple_read_from_buffer(data, count, ppos, buf, res);
	}

	static const struct file_operations brcmf_debugfs_sdio_counter_ops = {
	.owner = THIS_MODULE,
	.open = simple_open,
	.read = brcmf_debugfs_sdio_counter_read
	};

	void brcmf_debugfs_create_sdio_count(struct brcmf_pub *drvr,
	struct brcmf_sdio_count *sdcnt)
	{
	struct dentry *dentry = drvr->dbgfs_dir;

	if (!IS_ERR_OR_NULL(dentry))
	debugfs_create_file("counters", S_IRUGO, dentry,
	sdcnt, &brcmf_debugfs_sdio_counter_ops);
	}

	static
	ssize_t brcmf_debugfs_fws_stats_read(struct file f, char __user data,
	size_t count, loff_t *ppos)
	{
	struct brcmf_fws_stats *fwstats = f->private_data;
	char buf[650];
	int res;

	/* only allow read from start */
	if (*ppos > 0)
	return 0;

	res = scnprintf(buf, sizeof(buf),
	"header_pulls: %u\n"
	"header_only_pkt: %u\n"
	"tlv_parse_failed: %u\n"
	"tlv_invalid_type: %u\n"
	"mac_update_fails: %u\n"
	"ps_update_fails: %u\n"
	"if_update_fails: %u\n"
	"pkt2bus: %u\n"
	"generic_error: %u\n"
	"rollback_success: %u\n"
	"rollback_failed: %u\n"
	"delayq_full: %u\n"
	"supprq_full: %u\n"
	"txs_indicate: %u\n"
	"txs_discard: %u\n"
	"txs_suppr_core: %u\n"
	"txs_suppr_ps: %u\n"
	"txs_tossed: %u\n"
	"txs_host_tossed: %u\n"
	"bus_flow_block: %u\n"
	"fws_flow_block: %u\n"
	"send_pkts: BK:%u BE:%u VO:%u VI:%u BCMC:%u\n"
	"requested_sent: BK:%u BE:%u VO:%u VI:%u BCMC:%u\n",
	fwstats->header_pulls,
	fwstats->header_only_pkt,
	fwstats->tlv_parse_failed,
	fwstats->tlv_invalid_type,
	fwstats->mac_update_failed,
	fwstats->mac_ps_update_failed,
	fwstats->if_update_failed,
	fwstats->pkt2bus,
	fwstats->generic_error,
	fwstats->rollback_success,
	fwstats->rollback_failed,
	fwstats->delayq_full_error,
	fwstats->supprq_full_error,
	fwstats->txs_indicate,
	fwstats->txs_discard,
	fwstats->txs_supp_core,
	fwstats->txs_supp_ps,
	fwstats->txs_tossed,
	fwstats->txs_host_tossed,
	fwstats->bus_flow_block,
	fwstats->fws_flow_block,
	fwstats->send_pkts[0], fwstats->send_pkts[1],
	fwstats->send_pkts[2], fwstats->send_pkts[3],
	fwstats->send_pkts[4],
	fwstats->requested_sent[0],
	fwstats->requested_sent[1],
	fwstats->requested_sent[2],
	fwstats->requested_sent[3],
	fwstats->requested_sent[4]);

	return simple_read_from_buffer(data, count, ppos, buf, res);
	}

	static const struct file_operations brcmf_debugfs_fws_stats_ops = {
	.owner = THIS_MODULE,
	.open = simple_open,
	.read = brcmf_debugfs_fws_stats_read
	};

	void brcmf_debugfs_create_fws_stats(struct brcmf_pub *drvr,
	struct brcmf_fws_stats *stats)
	{
	struct dentry *dentry = drvr->dbgfs_dir;

	if (!IS_ERR_OR_NULL(dentry))
	debugfs_create_file("fws_stats", S_IRUGO, dentry,
	stats, &brcmf_debugfs_fws_stats_ops);
	}