tools/src/fwinfo.c

   1 /*
   2  * Copyright 2010, Christian Lamparter <chunkeey@googlemail.com>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation version 2 of the License.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along
  14  * with this program; if not, write to the Free Software Foundation, Inc.,
  15  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  16  */
  17
  18 #include <stdlib.h>
  19 #include <stdio.h>
  20 #include <error.h>
  21 #include <string.h>
  22 #include <errno.h>
  23 #include <sys/types.h>
  24 #include <sys/stat.h>
  25 #include <unistd.h>
  26 #include <ctype.h>
  27
  28 #include "carlfw.h"
  29
  30 #include "compiler.h"
  31
  32 struct feature_list {
  33         unsigned int id;
  34         char name[64];
  35         void (*func)(const struct carl9170fw_desc_head *, struct carlfw *fw);
  36 };
  37
  38 #define CHECK_FOR_FEATURE(feature_enum)                                 \
  39         { .id = feature_enum, .name = #feature_enum, .func = NULL }
  40
  41 #define CHECK_FOR_FEATURE_FUNC(feature_enum, _func)                     \
  42         { .id = feature_enum, .name = #feature_enum, .func = _func }
  43
  44 static const struct feature_list known_otus_features_v1[] = {
  45         CHECK_FOR_FEATURE(CARL9170FW_DUMMY_FEATURE),
  46         CHECK_FOR_FEATURE(CARL9170FW_UNUSABLE),
  47         CHECK_FOR_FEATURE(CARL9170FW_COMMAND_PHY),
  48         CHECK_FOR_FEATURE(CARL9170FW_COMMAND_CAM),
  49         CHECK_FOR_FEATURE(CARL9170FW_WLANTX_CAB),
  50         CHECK_FOR_FEATURE(CARL9170FW_HANDLE_BACK_REQ),
  51         CHECK_FOR_FEATURE(CARL9170FW_GPIO_INTERRUPT),
  52         CHECK_FOR_FEATURE(CARL9170FW_PSM),
  53 };
  54
  55 static void check_feature_list(const struct carl9170fw_desc_head *head,
  56                                const __le32 bitmap,
  57                                const struct feature_list *list,
  58                                const unsigned int entries,
  59                                struct carlfw *fw)
  60 {
  61         unsigned int i;
  62
  63         for (i = 0; i < entries; i++) {
  64                 if (!carl9170fw_supports(bitmap, list[i].id))
  65                         continue;
  66
  67                 fprintf(stdout, "\t\t%2d = %s\n", list[i].id, list[i].name);
  68                 if (list[i].func)
  69                         list[i].func(head, fw);
  70         }
  71 }
  72
  73 static void show_otus_desc(const struct carl9170fw_desc_head *head,
  74                            struct carlfw *fw)
  75 {
  76         const struct carl9170fw_otus_desc *otus = (const void *) head;
  77
  78         BUILD_BUG_ON(ARRAY_SIZE(known_otus_features_v1) != __CARL9170FW_FEATURE_NUM);
  79
  80         fprintf(stdout, "\tBeacon Address: %x, (reserved:%d Bytes)\n",
  81                 le32_to_cpu(otus->bcn_addr), le16_to_cpu(otus->bcn_len));
  82         fprintf(stdout, "\tFirmware API Version: %d\n", otus->api_ver);
  83         fprintf(stdout, "\tSupported Firmware Interfaces: %d\n", otus->vif_num);
  84
  85         fprintf(stdout, "\tSupported Features: (raw:%.08x)\n",
  86                 le32_to_cpu(otus->fw_feature_set));
  87
  88         check_feature_list(head, otus->fw_feature_set, known_otus_features_v1,
  89                            ARRAY_SIZE(known_otus_features_v1), fw);
  90 }
  91
  92 static void show_miniboot_info(const struct carl9170fw_desc_head *head,
  93                                struct carlfw *fw __unused)
  94 {
  95         const struct carl9170fw_usb_desc *usb = (const void *) head;
  96
  97         fprintf(stdout, "\t\t\tminiboot size: %d Bytes\n", usb->miniboot_size);
  98 }
  99
 100 static const struct feature_list known_usb_features_v1[] = {
 101         CHECK_FOR_FEATURE(CARL9170FW_USB_DUMMY_FEATURE),
 102         CHECK_FOR_FEATURE_FUNC(CARL9170FW_USB_MINIBOOT, show_miniboot_info),
 103         CHECK_FOR_FEATURE(CARL9170FW_USB_INIT_FIRMWARE),
 104         CHECK_FOR_FEATURE(CARL9170FW_USB_RESP_EP2),
 105         CHECK_FOR_FEATURE(CARL9170FW_USB_DOWN_STREAM),
 106         CHECK_FOR_FEATURE(CARL9170FW_USB_UP_STREAM),
 107         CHECK_FOR_FEATURE(CARL9170FW_USB_WATCHDOG),
 108 };
 109
 110 static void show_usb_desc(const struct carl9170fw_desc_head *head,
 111                           struct carlfw *fw __unused)
 112 {
 113         const struct carl9170fw_usb_desc *usb = (const void *) head;
 114
 115         BUILD_BUG_ON(ARRAY_SIZE(known_usb_features_v1) != __CARL9170FW_USB_FEATURE_NUM);
 116
 117         fprintf(stdout, "\tTX DMA chunk size:%d Bytes, TX DMA chunks:%d\n",
 118                 usb->tx_frag_len, usb->tx_descs);
 119         fprintf(stdout, "\t=> %d Bytes are reserved for the TX queues\n",
 120                 usb->tx_frag_len * usb->tx_descs);
 121         fprintf(stdout, "\tMax. RX stream block size:%d Bytes\n",
 122                 usb->rx_max_frame_len);
 123         fprintf(stdout, "\tFirmware upload pointer: 0x%x\n",
 124                 usb->fw_address);
 125         fprintf(stdout, "\tSupported Features: (raw:%.08x)\n",
 126                 le32_to_cpu(usb->usb_feature_set));
 127
 128         check_feature_list(head, usb->usb_feature_set, known_usb_features_v1,
 129                            ARRAY_SIZE(known_usb_features_v1), fw);
 130 }
 131
 132 static void show_motd_desc(const struct carl9170fw_desc_head *head,
 133                            struct carlfw *fw __unused)
 134 {
 135         const struct carl9170fw_motd_desc *motd = (const void *) head;
 136         char buf[CARL9170FW_MOTD_STRING_LEN];
 137         unsigned int fw_date;
 138
 139         fw_date = motd->fw_year_month_day;
 140         fprintf(stdout, "\tFirmware Build Date (YYYY-MM-DD): 2%03d-%02d-%02d\n",
 141                 CARL9170FW_GET_YEAR(fw_date), CARL9170FW_GET_MONTH(fw_date),
 142                 CARL9170FW_GET_DAY(fw_date));
 143
 144         strncpy(buf, motd->desc, CARL9170FW_MOTD_STRING_LEN);
 145         fprintf(stdout, "\tFirmware Text:\"%s\"\n", buf);
 146
 147         strncpy(buf, motd->release, CARL9170FW_MOTD_STRING_LEN);
 148         fprintf(stdout, "\tFirmware Release:\"%s\"\n", buf);
 149 }
 150
 151 static void show_fix_desc(const struct carl9170fw_desc_head *head,
 152                           struct carlfw *fw __unused)
 153 {
 154         const struct carl9170fw_fix_desc *fix = (const void *) head;
 155         const struct carl9170fw_fix_entry *iter;
 156         unsigned int i;
 157
 158         for (i = 0; i < (head->length - sizeof(*head)) / sizeof(*iter); i++) {
 159                 iter = &fix->data[i];
 160                 fprintf(stdout, "\t\t%d: 0x%.8x := 0x%.8x (0x%.8x)\n", i,
 161                         le32_to_cpu(iter->address), le32_to_cpu(iter->value),
 162                         le32_to_cpu(iter->mask));
 163         }
 164 }
 165
 166 static void show_dbg_desc(const struct carl9170fw_desc_head *head,
 167                             struct carlfw *fw __unused)
 168 {
 169         const struct carl9170fw_dbg_desc *dbg = (const void *) head;
 170
 171         fprintf(stdout, "\tFirmware Debug Registers/Counters\n");
 172         fprintf(stdout, "\t\tbogoclock    = 0x%.8x\n",
 173                 le32_to_cpu(dbg->bogoclock_addr));
 174         fprintf(stdout, "\t\tcounter      = 0x%.8x\n",
 175                 le32_to_cpu(dbg->counter_addr));
 176         fprintf(stdout, "\t\trx total     = 0x%.8x\n",
 177                 le32_to_cpu(dbg->rx_total_addr));
 178         fprintf(stdout, "\t\trx overrun   = 0x%.8x\n",
 179                 le32_to_cpu(dbg->rx_overrun_addr));
 180         /* Nothing interesting here */
 181 }
 182
 183 static void show_chk_desc(const struct carl9170fw_desc_head *head,
 184                             struct carlfw *fw __unused)
 185 {
 186         const struct carl9170fw_chk_desc *chk = (const void *) head;
 187
 188         fprintf(stdout, "\tFirmware Descriptor CRC32: %08x\n",
 189                 le32_to_cpu(chk->hdr_crc32));
 190         fprintf(stdout, "\tFirmware Image CRC32: %08x\n",
 191                 le32_to_cpu(chk->fw_crc32));
 192 }
 193
 194 static void show_last_desc(const struct carl9170fw_desc_head *head,
 195                            struct carlfw *fw __unused)
 196
 197 {
 198         const struct carl9170fw_last_desc *last __unused = (const void *) head;
 199
 200         /* Nothing here */
 201 }
 202
 203 #define ADD_HANDLER(_magic, _func)                              \
 204         {                                                       \
 205           .magic = _magic##_MAGIC,                              \
 206           .min_ver = CARL9170FW_## _magic##_DESC_CUR_VER,       \
 207           .func = _func,                                        \
 208           .size = CARL9170FW_## _magic##_DESC_SIZE,             \
 209         }
 210
 211 static const struct {
 212         uint8_t magic[4];
 213         uint8_t min_ver;
 214         void (*func)(const struct carl9170fw_desc_head *, struct carlfw *);
 215         uint16_t size;
 216 } known_magics[] = {
 217         ADD_HANDLER(OTUS, show_otus_desc),
 218         ADD_HANDLER(USB, show_usb_desc),
 219         ADD_HANDLER(MOTD, show_motd_desc),
 220         ADD_HANDLER(DBG, show_dbg_desc),
 221         ADD_HANDLER(FIX, show_fix_desc),
 222         ADD_HANDLER(CHK, show_chk_desc),
 223         ADD_HANDLER(LAST, show_last_desc),
 224 };
 225
 226 static const uint8_t otus_magic[4] = { OTUS_MAGIC };
 227
 228 static void show_desc_head(struct carl9170fw_desc_head *head)
 229 {
 230 #define P(c) (isprint(c) ? c :  ' ')
 231
 232         fprintf(stdout, ">\t%c%c%c%c Descriptor: size:%d, compatible:%d, "
 233                         "version:%d\n",
 234                 P(head->magic[0]), P(head->magic[1]), P(head->magic[2]),
 235                 P(head->magic[3]), le16_to_cpu(head->length), head->min_ver,
 236                 head->cur_ver);
 237 }
 238
 239 static void fwinfo_info(void)
 240 {
 241         fprintf(stderr, "Usage:\n");
 242         fprintf(stderr, "\tfwinfo FW-FILE\n");
 243
 244         fprintf(stderr, "\nDescription:\n");
 245         fprintf(stderr, "\tDisplay firmware descriptors information in "
 246                         "a human readable form.\n");
 247
 248         fprintf(stderr, "\nParameteres:\n");
 249         fprintf(stderr, "\t 'FW-FILE'   = firmware file/base-name\n\n");
 250 }
 251
 252 int main(int argc, char *args[])
 253 {
 254         struct carlfw *fw = NULL;
 255         struct carl9170fw_desc_head *fw_desc;
 256         unsigned int i;
 257         int err = 0;
 258         size_t len;
 259
 260         if (argc != 2) {
 261                 err = -EINVAL;
 262                 goto out;
 263         }
 264
 265         fw = carlfw_load(args[1]);
 266         if (IS_ERR_OR_NULL(fw)) {
 267                 fprintf(stderr, "Failed to open firmware \"%s\" (%d).\n",
 268                         args[1], (int)PTR_ERR(fw));
 269                 goto out;
 270         }
 271
 272         carlfw_get_fw(fw, &len);
 273         fprintf(stdout, "General Firmware Statistics:\n");
 274         fprintf(stdout, "\tFirmware file size: %u Bytes\n", len);
 275         fprintf(stdout, "\t%d Descriptors in %d Bytes\n",
 276                 carlfw_get_descs_num(fw), carlfw_get_descs_size(fw));
 277
 278         fw_desc = NULL;
 279         fprintf(stdout, "\nDetailed Descriptor Description:\n");
 280         while ((fw_desc = carlfw_desc_next(fw, fw_desc))) {
 281                 show_desc_head(fw_desc);
 282
 283                 for (i = 0; i < ARRAY_SIZE(known_magics); i++) {
 284                         if (carl9170fw_desc_cmp(fw_desc, known_magics[i].magic,
 285                             known_magics[i].size, known_magics[i].min_ver)) {
 286                                 known_magics[i].func(fw_desc, fw);
 287                                 break;
 288                         }
 289                 }
 290
 291                 if (i == ARRAY_SIZE(known_magics))
 292                         fprintf(stderr, "Unknown Descriptor.\n");
 293
 294                 fprintf(stdout, "\n");
 295         }
 296
 297 out:
 298         switch (err) {
 299         case 0:
 300                 break;
 301
 302         case -EINVAL:
 303                 fwinfo_info();
 304                 break;
 305
 306         default:
 307                 fprintf(stderr, "%s\n", strerror(-err));
 308                 break;
 309         }
 310
 311         carlfw_release(fw);
 312         return err ? EXIT_FAILURE : EXIT_SUCCESS;
 313 }