drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.c

   1 /*
   2  * Copyright (c) 2012 Broadcom Corporation
   3  *
   4  * Permission to use, copy, modify, and/or distribute this software for any
   5  * purpose with or without fee is hereby granted, provided that the above
   6  * copyright notice and this permission notice appear in all copies.
   7  *
   8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
  11  * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
  13  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
  14  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15  */
  16 #include <linux/debugfs.h>
  17 #include <linux/netdevice.h>
  18 #include <linux/module.h>
  19
  20 #include <brcmu_wifi.h>
  21 #include <brcmu_utils.h>
  22 #include "dhd.h"
  23 #include "dhd_bus.h"
  24 #include "dhd_dbg.h"
  25
  26 static struct dentry *root_folder;
  27
  28 void brcmf_debugfs_init(void)
  29 {
  30         root_folder = debugfs_create_dir(KBUILD_MODNAME, NULL);
  31         if (IS_ERR(root_folder))
  32                 root_folder = NULL;
  33 }
  34
  35 void brcmf_debugfs_exit(void)
  36 {
  37         if (!root_folder)
  38                 return;
  39
  40         debugfs_remove_recursive(root_folder);
  41         root_folder = NULL;
  42 }
  43
  44 static int brcmf_debugfs_chipinfo_read(struct seq_file *seq, void *data)
  45 {
  46         struct brcmf_pub *drvr = seq->private;
  47         struct brcmf_bus *bus = drvr->bus_if;
  48
  49         seq_printf(seq, "chip: %x(%u) rev %u\n",
  50                    bus->chip, bus->chip, bus->chiprev);
  51         return 0;
  52 }
  53
  54 static int brcmf_debugfs_chipinfo_open(struct inode *inode, struct file *f)
  55 {
  56         return single_open(f, brcmf_debugfs_chipinfo_read, inode->i_private);
  57 }
  58
  59 static const struct file_operations brcmf_debugfs_chipinfo_ops = {
  60         .owner = THIS_MODULE,
  61         .open = brcmf_debugfs_chipinfo_open,
  62         .release = single_release,
  63         .read = seq_read,
  64         .llseek = seq_lseek
  65 };
  66
  67 static int brcmf_debugfs_create_chipinfo(struct brcmf_pub *drvr)
  68 {
  69         struct dentry *dentry =  drvr->dbgfs_dir;
  70
  71         if (!IS_ERR_OR_NULL(dentry))
  72                 debugfs_create_file("chipinfo", S_IRUGO, dentry, drvr,
  73                                     &brcmf_debugfs_chipinfo_ops);
  74         return 0;
  75 }
  76
  77 int brcmf_debugfs_attach(struct brcmf_pub *drvr)
  78 {
  79         struct device *dev = drvr->bus_if->dev;
  80
  81         if (!root_folder)
  82                 return -ENODEV;
  83
  84         drvr->dbgfs_dir = debugfs_create_dir(dev_name(dev), root_folder);
  85         brcmf_debugfs_create_chipinfo(drvr);
  86         return PTR_ERR_OR_ZERO(drvr->dbgfs_dir);
  87 }
  88
  89 void brcmf_debugfs_detach(struct brcmf_pub *drvr)
  90 {
  91         if (!IS_ERR_OR_NULL(drvr->dbgfs_dir))
  92                 debugfs_remove_recursive(drvr->dbgfs_dir);
  93 }
  94
  95 struct dentry *brcmf_debugfs_get_devdir(struct brcmf_pub *drvr)
  96 {
  97         return drvr->dbgfs_dir;
  98 }
  99
 100 static int brcmf_debugfs_sdio_count_read(struct seq_file *seq, void *data)
 101 {
 102         struct brcmf_sdio_count *sdcnt = seq->private;
 103
 104         seq_printf(seq,
 105                    "intrcount:    %u\nlastintrs:    %u\n"
 106                    "pollcnt:      %u\nregfails:     %u\n"
 107                    "tx_sderrs:    %u\nfcqueued:     %u\n"
 108                    "rxrtx:        %u\nrx_toolong:   %u\n"
 109                    "rxc_errors:   %u\nrx_hdrfail:   %u\n"
 110                    "rx_badhdr:    %u\nrx_badseq:    %u\n"
 111                    "fc_rcvd:      %u\nfc_xoff:      %u\n"
 112                    "fc_xon:       %u\nrxglomfail:   %u\n"
 113                    "rxglomframes: %u\nrxglompkts:   %u\n"
 114                    "f2rxhdrs:     %u\nf2rxdata:     %u\n"
 115                    "f2txdata:     %u\nf1regdata:    %u\n"
 116                    "tickcnt:      %u\ntx_ctlerrs:   %lu\n"
 117                    "tx_ctlpkts:   %lu\nrx_ctlerrs:   %lu\n"
 118                    "rx_ctlpkts:   %lu\nrx_readahead: %lu\n",
 119                    sdcnt->intrcount, sdcnt->lastintrs,
 120                    sdcnt->pollcnt, sdcnt->regfails,
 121                    sdcnt->tx_sderrs, sdcnt->fcqueued,
 122                    sdcnt->rxrtx, sdcnt->rx_toolong,
 123                    sdcnt->rxc_errors, sdcnt->rx_hdrfail,
 124                    sdcnt->rx_badhdr, sdcnt->rx_badseq,
 125                    sdcnt->fc_rcvd, sdcnt->fc_xoff,
 126                    sdcnt->fc_xon, sdcnt->rxglomfail,
 127                    sdcnt->rxglomframes, sdcnt->rxglompkts,
 128                    sdcnt->f2rxhdrs, sdcnt->f2rxdata,
 129                    sdcnt->f2txdata, sdcnt->f1regdata,
 130                    sdcnt->tickcnt, sdcnt->tx_ctlerrs,
 131                    sdcnt->tx_ctlpkts, sdcnt->rx_ctlerrs,
 132                    sdcnt->rx_ctlpkts, sdcnt->rx_readahead_cnt);
 133
 134         return 0;
 135 }
 136
 137 static int brcmf_debugfs_sdio_count_open(struct inode *inode, struct file *f)
 138 {
 139         return single_open(f, brcmf_debugfs_sdio_count_read, inode->i_private);
 140 }
 141
 142 static const struct file_operations brcmf_debugfs_sdio_counter_ops = {
 143         .owner = THIS_MODULE,
 144         .open = brcmf_debugfs_sdio_count_open,
 145         .release = single_release,
 146         .read = seq_read,
 147         .llseek = seq_lseek
 148 };
 149
 150 void brcmf_debugfs_create_sdio_count(struct brcmf_pub *drvr,
 151                                      struct brcmf_sdio_count *sdcnt)
 152 {
 153         struct dentry *dentry = drvr->dbgfs_dir;
 154
 155         if (!IS_ERR_OR_NULL(dentry))
 156                 debugfs_create_file("counters", S_IRUGO, dentry,
 157                                     sdcnt, &brcmf_debugfs_sdio_counter_ops);
 158 }
 159
 160 static int brcmf_debugfs_fws_stats_read(struct seq_file *seq, void *data)
 161 {
 162         struct brcmf_fws_stats *fwstats = seq->private;
 163
 164         seq_printf(seq,
 165                    "header_pulls:      %u\n"
 166                    "header_only_pkt:   %u\n"
 167                    "tlv_parse_failed:  %u\n"
 168                    "tlv_invalid_type:  %u\n"
 169                    "mac_update_fails:  %u\n"
 170                    "ps_update_fails:   %u\n"
 171                    "if_update_fails:   %u\n"
 172                    "pkt2bus:           %u\n"
 173                    "generic_error:     %u\n"
 174                    "rollback_success:  %u\n"
 175                    "rollback_failed:   %u\n"
 176                    "delayq_full:       %u\n"
 177                    "supprq_full:       %u\n"
 178                    "txs_indicate:      %u\n"
 179                    "txs_discard:       %u\n"
 180                    "txs_suppr_core:    %u\n"
 181                    "txs_suppr_ps:      %u\n"
 182                    "txs_tossed:        %u\n"
 183                    "txs_host_tossed:   %u\n"
 184                    "bus_flow_block:    %u\n"
 185                    "fws_flow_block:    %u\n"
 186                    "send_pkts:         BK:%u BE:%u VO:%u VI:%u BCMC:%u\n"
 187                    "requested_sent:    BK:%u BE:%u VO:%u VI:%u BCMC:%u\n",
 188                    fwstats->header_pulls,
 189                    fwstats->header_only_pkt,
 190                    fwstats->tlv_parse_failed,
 191                    fwstats->tlv_invalid_type,
 192                    fwstats->mac_update_failed,
 193                    fwstats->mac_ps_update_failed,
 194                    fwstats->if_update_failed,
 195                    fwstats->pkt2bus,
 196                    fwstats->generic_error,
 197                    fwstats->rollback_success,
 198                    fwstats->rollback_failed,
 199                    fwstats->delayq_full_error,
 200                    fwstats->supprq_full_error,
 201                    fwstats->txs_indicate,
 202                    fwstats->txs_discard,
 203                    fwstats->txs_supp_core,
 204                    fwstats->txs_supp_ps,
 205                    fwstats->txs_tossed,
 206                    fwstats->txs_host_tossed,
 207                    fwstats->bus_flow_block,
 208                    fwstats->fws_flow_block,
 209                    fwstats->send_pkts[0], fwstats->send_pkts[1],
 210                    fwstats->send_pkts[2], fwstats->send_pkts[3],
 211                    fwstats->send_pkts[4],
 212                    fwstats->requested_sent[0],
 213                    fwstats->requested_sent[1],
 214                    fwstats->requested_sent[2],
 215                    fwstats->requested_sent[3],
 216                    fwstats->requested_sent[4]);
 217
 218         return 0;
 219 }
 220
 221 static int brcmf_debugfs_fws_stats_open(struct inode *inode, struct file *f)
 222 {
 223         return single_open(f, brcmf_debugfs_fws_stats_read, inode->i_private);
 224 }
 225
 226 static const struct file_operations brcmf_debugfs_fws_stats_ops = {
 227         .owner = THIS_MODULE,
 228         .open = brcmf_debugfs_fws_stats_open,
 229         .release = single_release,
 230         .read = seq_read,
 231         .llseek = seq_lseek
 232 };
 233
 234 void brcmf_debugfs_create_fws_stats(struct brcmf_pub *drvr,
 235                                     struct brcmf_fws_stats *stats)
 236 {
 237         struct dentry *dentry =  drvr->dbgfs_dir;
 238
 239         if (!IS_ERR_OR_NULL(dentry))
 240                 debugfs_create_file("fws_stats", S_IRUGO, dentry,
 241                                     stats, &brcmf_debugfs_fws_stats_ops);
 242 }