projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 8e21df23 PH |
1 | /* |
| 2 | * Copyright (c) 2012 Broadcom Corporation | |
| 3 | * Copyright (c) 2012 Canonical Ltd. | |
| 4 | * | |
| 5 | * Permission to use, copy, modify, and/or distribute this software for any | |
| 6 | * purpose with or without fee is hereby granted, provided that the above | |
| 7 | * copyright notice and this permission notice appear in all copies. | |
| 8 | * | |
| 9 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
| 10 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
| 11 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY | |
| 12 | * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
| 13 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION | |
| 14 | * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN | |
| 15 | * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
| 16 | */ | |
| 17 | #include <linux/debugfs.h> | |
| 18 | #include <linux/if_ether.h> | |
| 19 | #include <linux/if.h> | |
| 269de12b | 20 | #include <linux/net.h> |
| 8e21df23 PH |
21 | #include <linux/netdevice.h> |
| 22 | #include <linux/ieee80211.h> | |
| 23 | #include <linux/module.h> | |
| 8e21df23 PH |
24 | #include <net/mac80211.h> |
| 25 | ||
| 26 | #include <defs.h> | |
| 27 | #include <brcmu_wifi.h> | |
| 28 | #include <brcmu_utils.h> | |
| 269de12b | 29 | #include "types.h" |
| 8e21df23 | 30 | #include "main.h" |
| 269de12b SF |
31 | #include "debug.h" |
| 32 | #include "brcms_trace_events.h" | |
| 33 | ||
| 8e21df23 PH |
34 | static struct dentry *root_folder; |
| 35 | ||
| 36 | void brcms_debugfs_init(void) | |
| 37 | { | |
| 38 | root_folder = debugfs_create_dir(KBUILD_MODNAME, NULL); | |
| 39 | if (IS_ERR(root_folder)) | |
| 40 | root_folder = NULL; | |
| 41 | } | |
| 42 | ||
| 43 | void brcms_debugfs_exit(void) | |
| 44 | { | |
| 45 | if (!root_folder) | |
| 46 | return; | |
| 47 | ||
| 48 | debugfs_remove_recursive(root_folder); | |
| 49 | root_folder = NULL; | |
| 50 | } | |
| 51 | ||
| 52 | int brcms_debugfs_attach(struct brcms_pub *drvr) | |
| 53 | { | |
| 54 | if (!root_folder) | |
| 55 | return -ENODEV; | |
| 56 | ||
| 57 | drvr->dbgfs_dir = debugfs_create_dir( | |
| 58 | dev_name(&drvr->wlc->hw->d11core->dev), root_folder); | |
| 8c6ffba0 | 59 | return PTR_ERR_OR_ZERO(drvr->dbgfs_dir); |
| 8e21df23 PH |
60 | } |
| 61 | ||
| 62 | void brcms_debugfs_detach(struct brcms_pub *drvr) | |
| 63 | { | |
| 64 | if (!IS_ERR_OR_NULL(drvr->dbgfs_dir)) | |
| 65 | debugfs_remove_recursive(drvr->dbgfs_dir); | |
| 66 | } | |
| 67 | ||
| 68 | struct dentry *brcms_debugfs_get_devdir(struct brcms_pub *drvr) | |
| 69 | { | |
| 70 | return drvr->dbgfs_dir; | |
| 71 | } | |
| 72 | ||
| 73 | static | |
| 74 | ssize_t brcms_debugfs_hardware_read(struct file *f, char __user *data, | |
| 75 | size_t count, loff_t *ppos) | |
| 76 | { | |
| 77 | char buf[128]; | |
| 78 | int res; | |
| 79 | struct brcms_pub *drvr = f->private_data; | |
| 80 | ||
| 81 | /* only allow read from start */ | |
| 82 | if (*ppos > 0) | |
| 83 | return 0; | |
| 84 | ||
| 85 | res = scnprintf(buf, sizeof(buf), | |
| 86 | "board vendor: %x\n" | |
| 87 | "board type: %x\n" | |
| 88 | "board revision: %x\n" | |
| 89 | "board flags: %x\n" | |
| 90 | "board flags2: %x\n" | |
| 91 | "firmware revision: %x\n", | |
| 92 | drvr->wlc->hw->d11core->bus->boardinfo.vendor, | |
| 93 | drvr->wlc->hw->d11core->bus->boardinfo.type, | |
| 94 | drvr->wlc->hw->boardrev, | |
| 95 | drvr->wlc->hw->boardflags, | |
| 96 | drvr->wlc->hw->boardflags2, | |
| 97 | drvr->wlc->ucode_rev | |
| 98 | ); | |
| 99 | ||
| 100 | return simple_read_from_buffer(data, count, ppos, buf, res); | |
| 101 | } | |
| 102 | ||
| 103 | static const struct file_operations brcms_debugfs_hardware_ops = { | |
| 104 | .owner = THIS_MODULE, | |
| 105 | .open = simple_open, | |
| 106 | .read = brcms_debugfs_hardware_read | |
| 107 | }; | |
| 108 | ||
| 109 | void brcms_debugfs_create_files(struct brcms_pub *drvr) | |
| 110 | { | |
| 111 | struct dentry *dentry = drvr->dbgfs_dir; | |
| 112 | ||
| 113 | if (!IS_ERR_OR_NULL(dentry)) | |
| 114 | debugfs_create_file("hardware", S_IRUGO, dentry, | |
| 115 | drvr, &brcms_debugfs_hardware_ops); | |
| 116 | } | |
| 117 | ||
| 269de12b SF |
118 | #define __brcms_fn(fn) \ |
| 119 | void __brcms_ ##fn(struct device *dev, const char *fmt, ...) \ | |
| 120 | { \ | |
| 121 | struct va_format vaf = { \ | |
| 122 | .fmt = fmt, \ | |
| 123 | }; \ | |
| 124 | va_list args; \ | |
| 125 | \ | |
| 126 | va_start(args, fmt); \ | |
| 127 | vaf.va = &args; \ | |
| 128 | dev_ ##fn(dev, "%pV", &vaf); \ | |
| 129 | trace_brcms_ ##fn(&vaf); \ | |
| 130 | va_end(args); \ | |
| 131 | } | |
| 132 | ||
| 133 | __brcms_fn(info) | |
| 134 | __brcms_fn(warn) | |
| 135 | __brcms_fn(err) | |
| 136 | __brcms_fn(crit) | |
| 137 | ||
| 138 | #if defined(CONFIG_BRCMDBG) || defined(CONFIG_BRCM_TRACING) | |
| 139 | void __brcms_dbg(struct device *dev, u32 level, const char *func, | |
| 140 | const char *fmt, ...) | |
| 141 | { | |
| 142 | struct va_format vaf = { | |
| 143 | .fmt = fmt, | |
| 144 | }; | |
| 145 | va_list args; | |
| 146 | ||
| 147 | va_start(args, fmt); | |
| 148 | vaf.va = &args; | |
| 149 | #ifdef CONFIG_BRCMDBG | |
| 150 | if ((brcm_msg_level & level) && net_ratelimit()) | |
| 151 | dev_err(dev, "%s %pV", func, &vaf); | |
| 152 | #endif | |
| 153 | trace_brcms_dbg(level, func, &vaf); | |
| 154 | va_end(args); | |
| 155 | } | |
| 156 | #endif |