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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 | /* * 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); } |