forked from Minki/linux
7d68849f40
Adding the debugfs file <debugfs_mnt>/brcmfmac/<devid>/chipinfo which contains the chip number and revision. 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>
246 lines
6.8 KiB
C
246 lines
6.8 KiB
C
/*
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* Copyright (c) 2012 Broadcom Corporation
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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/netdevice.h>
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#include <linux/module.h>
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#include <brcmu_wifi.h>
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#include <brcmu_utils.h>
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#include "dhd.h"
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#include "dhd_bus.h"
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#include "dhd_dbg.h"
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static struct dentry *root_folder;
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void brcmf_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 brcmf_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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static
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ssize_t brcmf_debugfs_chipinfo_read(struct file *f, char __user *data,
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size_t count, loff_t *ppos)
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{
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struct brcmf_pub *drvr = f->private_data;
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struct brcmf_bus *bus = drvr->bus_if;
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char buf[40];
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int res;
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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), "chip: %x(%u) rev %u\n",
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bus->chip, bus->chip, bus->chiprev);
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return simple_read_from_buffer(data, count, ppos, buf, res);
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}
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static const struct file_operations brcmf_debugfs_chipinfo_ops = {
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.owner = THIS_MODULE,
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.open = simple_open,
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.read = brcmf_debugfs_chipinfo_read
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};
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static int brcmf_debugfs_create_chipinfo(struct brcmf_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(dentry))
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debugfs_create_file("chipinfo", S_IRUGO, dentry, drvr,
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&brcmf_debugfs_chipinfo_ops);
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return 0;
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}
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int brcmf_debugfs_attach(struct brcmf_pub *drvr)
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{
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struct device *dev = drvr->bus_if->dev;
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if (!root_folder)
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return -ENODEV;
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drvr->dbgfs_dir = debugfs_create_dir(dev_name(dev), root_folder);
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brcmf_debugfs_create_chipinfo(drvr);
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return PTR_ERR_OR_ZERO(drvr->dbgfs_dir);
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}
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void brcmf_debugfs_detach(struct brcmf_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 *brcmf_debugfs_get_devdir(struct brcmf_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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ssize_t brcmf_debugfs_sdio_counter_read(struct file *f, char __user *data,
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size_t count, loff_t *ppos)
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{
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struct brcmf_sdio_count *sdcnt = f->private_data;
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char buf[750];
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int res;
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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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"intrcount: %u\nlastintrs: %u\n"
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"pollcnt: %u\nregfails: %u\n"
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"tx_sderrs: %u\nfcqueued: %u\n"
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"rxrtx: %u\nrx_toolong: %u\n"
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"rxc_errors: %u\nrx_hdrfail: %u\n"
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"rx_badhdr: %u\nrx_badseq: %u\n"
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"fc_rcvd: %u\nfc_xoff: %u\n"
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"fc_xon: %u\nrxglomfail: %u\n"
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"rxglomframes: %u\nrxglompkts: %u\n"
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"f2rxhdrs: %u\nf2rxdata: %u\n"
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"f2txdata: %u\nf1regdata: %u\n"
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"tickcnt: %u\ntx_ctlerrs: %lu\n"
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"tx_ctlpkts: %lu\nrx_ctlerrs: %lu\n"
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"rx_ctlpkts: %lu\nrx_readahead: %lu\n",
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sdcnt->intrcount, sdcnt->lastintrs,
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sdcnt->pollcnt, sdcnt->regfails,
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sdcnt->tx_sderrs, sdcnt->fcqueued,
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sdcnt->rxrtx, sdcnt->rx_toolong,
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sdcnt->rxc_errors, sdcnt->rx_hdrfail,
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sdcnt->rx_badhdr, sdcnt->rx_badseq,
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sdcnt->fc_rcvd, sdcnt->fc_xoff,
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sdcnt->fc_xon, sdcnt->rxglomfail,
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sdcnt->rxglomframes, sdcnt->rxglompkts,
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sdcnt->f2rxhdrs, sdcnt->f2rxdata,
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sdcnt->f2txdata, sdcnt->f1regdata,
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sdcnt->tickcnt, sdcnt->tx_ctlerrs,
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sdcnt->tx_ctlpkts, sdcnt->rx_ctlerrs,
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sdcnt->rx_ctlpkts, sdcnt->rx_readahead_cnt);
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return simple_read_from_buffer(data, count, ppos, buf, res);
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}
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static const struct file_operations brcmf_debugfs_sdio_counter_ops = {
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.owner = THIS_MODULE,
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.open = simple_open,
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.read = brcmf_debugfs_sdio_counter_read
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};
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void brcmf_debugfs_create_sdio_count(struct brcmf_pub *drvr,
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struct brcmf_sdio_count *sdcnt)
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{
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struct dentry *dentry = drvr->dbgfs_dir;
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if (!IS_ERR_OR_NULL(dentry))
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debugfs_create_file("counters", S_IRUGO, dentry,
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sdcnt, &brcmf_debugfs_sdio_counter_ops);
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}
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static
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ssize_t brcmf_debugfs_fws_stats_read(struct file *f, char __user *data,
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size_t count, loff_t *ppos)
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{
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struct brcmf_fws_stats *fwstats = f->private_data;
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char buf[650];
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int res;
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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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"header_pulls: %u\n"
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"header_only_pkt: %u\n"
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"tlv_parse_failed: %u\n"
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"tlv_invalid_type: %u\n"
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"mac_update_fails: %u\n"
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"ps_update_fails: %u\n"
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"if_update_fails: %u\n"
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"pkt2bus: %u\n"
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"generic_error: %u\n"
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"rollback_success: %u\n"
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"rollback_failed: %u\n"
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"delayq_full: %u\n"
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"supprq_full: %u\n"
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"txs_indicate: %u\n"
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"txs_discard: %u\n"
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"txs_suppr_core: %u\n"
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"txs_suppr_ps: %u\n"
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"txs_tossed: %u\n"
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"txs_host_tossed: %u\n"
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"bus_flow_block: %u\n"
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"fws_flow_block: %u\n"
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"send_pkts: BK:%u BE:%u VO:%u VI:%u BCMC:%u\n"
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"requested_sent: BK:%u BE:%u VO:%u VI:%u BCMC:%u\n",
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fwstats->header_pulls,
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fwstats->header_only_pkt,
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fwstats->tlv_parse_failed,
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fwstats->tlv_invalid_type,
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fwstats->mac_update_failed,
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fwstats->mac_ps_update_failed,
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fwstats->if_update_failed,
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fwstats->pkt2bus,
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fwstats->generic_error,
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fwstats->rollback_success,
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fwstats->rollback_failed,
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fwstats->delayq_full_error,
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fwstats->supprq_full_error,
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fwstats->txs_indicate,
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fwstats->txs_discard,
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fwstats->txs_supp_core,
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fwstats->txs_supp_ps,
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fwstats->txs_tossed,
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fwstats->txs_host_tossed,
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fwstats->bus_flow_block,
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fwstats->fws_flow_block,
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fwstats->send_pkts[0], fwstats->send_pkts[1],
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fwstats->send_pkts[2], fwstats->send_pkts[3],
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fwstats->send_pkts[4],
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fwstats->requested_sent[0],
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fwstats->requested_sent[1],
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fwstats->requested_sent[2],
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fwstats->requested_sent[3],
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fwstats->requested_sent[4]);
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return simple_read_from_buffer(data, count, ppos, buf, res);
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}
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static const struct file_operations brcmf_debugfs_fws_stats_ops = {
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.owner = THIS_MODULE,
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.open = simple_open,
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.read = brcmf_debugfs_fws_stats_read
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};
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void brcmf_debugfs_create_fws_stats(struct brcmf_pub *drvr,
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struct brcmf_fws_stats *stats)
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{
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struct dentry *dentry = drvr->dbgfs_dir;
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if (!IS_ERR_OR_NULL(dentry))
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debugfs_create_file("fws_stats", S_IRUGO, dentry,
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stats, &brcmf_debugfs_fws_stats_ops);
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}
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