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-rw-r--r--carl9170fw/tools/lib/CMakeLists.txt7
-rw-r--r--carl9170fw/tools/lib/carlfw.c630
-rw-r--r--carl9170fw/tools/lib/carlfw.h67
3 files changed, 0 insertions, 704 deletions
diff --git a/carl9170fw/tools/lib/CMakeLists.txt b/carl9170fw/tools/lib/CMakeLists.txt
deleted file mode 100644
index 2d139e6..0000000
--- a/carl9170fw/tools/lib/CMakeLists.txt
+++ /dev/null
@@ -1,7 +0,0 @@
-cmake_minimum_required(VERSION 2.8)
-
-project(libcarlfw)
-
-set(carlfw_src carlfw.c)
-
-add_library( carlfw STATIC ${carlfw_src})
diff --git a/carl9170fw/tools/lib/carlfw.c b/carl9170fw/tools/lib/carlfw.c
deleted file mode 100644
index ce61afb..0000000
--- a/carl9170fw/tools/lib/carlfw.c
+++ /dev/null
@@ -1,630 +0,0 @@
-/*
- * Copyright 2010-2011 Christian Lamparter <chunkeey@googlemail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <error.h>
-#include <string.h>
-#include <errno.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <unistd.h>
-
-#include "carlfw.h"
-
-struct carlfw_file {
- char *name;
- size_t len;
- char *data;
-};
-
-struct carlfw {
- struct carlfw_file fw;
- struct carlfw_file hdr;
-
- struct list_head desc_list;
- unsigned int desc_list_entries,
- desc_list_len;
-};
-
-#define carlfw_walk_descs(iter, fw) \
- list_for_each_entry(iter, &fw->desc_list, h.list)
-
-struct carlfw_list_entry_head {
- struct list_head list;
-};
-
-struct carlfw_list_entry {
- struct carlfw_list_entry_head h;
- union {
- struct carl9170fw_desc_head head;
- uint32_t data[0];
- char text[0];
- };
-};
-
-static inline struct carlfw_list_entry *carlfw_desc_to_entry(struct carl9170fw_desc_head *head)
-{
- return container_of(head, struct carlfw_list_entry, head);
-}
-
-static inline struct carl9170fw_desc_head *carlfw_entry_to_desc(struct carlfw_list_entry *entry)
-{
- return &entry->head;
-}
-
-static void carlfw_entry_unlink(struct carlfw *fw,
- struct carlfw_list_entry *entry)
-{
- fw->desc_list_entries--;
- fw->desc_list_len -= le16_to_cpu(entry->head.length);
- list_del(&entry->h.list);
-}
-
-static void carlfw_entry_del(struct carlfw *fw,
- struct carlfw_list_entry *entry)
-{
- carlfw_entry_unlink(fw, entry);
- free(entry);
-}
-
-static struct carlfw_list_entry *carlfw_find_entry(struct carlfw *fw,
- const uint8_t descid[4],
- unsigned int len,
- uint8_t compatible_revision)
-{
- struct carlfw_list_entry *iter;
-
- carlfw_walk_descs(iter, fw) {
- if (carl9170fw_desc_cmp(&iter->head, descid, len,
- compatible_revision))
- return (void *)iter;
- }
-
- return NULL;
-}
-
-static struct carlfw_list_entry *__carlfw_entry_add_prepare(struct carlfw *fw,
- const struct carl9170fw_desc_head *desc)
-{
- struct carlfw_list_entry *tmp;
- unsigned int len;
-
- len = le16_to_cpu(desc->length);
-
- if (len < sizeof(struct carl9170fw_desc_head))
- return ERR_PTR(-EINVAL);
-
- tmp = malloc(sizeof(*tmp) + len);
- if (!tmp)
- return ERR_PTR(-ENOMEM);
-
- fw->desc_list_entries++;
- fw->desc_list_len += len;
-
- memcpy(tmp->data, desc, len);
- return tmp;
-}
-
-static void __carlfw_release(struct carlfw_file *f)
-{
- f->len = 0;
- if (f->name)
- free(f->name);
- f->name = NULL;
-
- if (f->data)
- free(f->data);
- f->data = NULL;
-}
-
-void carlfw_release(struct carlfw *fw)
-{
- struct carlfw_list_entry *entry;
-
- if (!IS_ERR_OR_NULL(fw)) {
- while (!list_empty(&fw->desc_list)) {
- entry = list_entry(fw->desc_list.next,
- struct carlfw_list_entry, h.list);
- carlfw_entry_del(fw, entry);
- }
-
- __carlfw_release(&fw->fw);
- __carlfw_release(&fw->hdr);
- free(fw);
- }
-}
-
-static int __carlfw_load(struct carlfw_file *file, const char *name, const char *mode)
-{
- struct stat file_stat;
- FILE *fh;
- int err;
-
- fh = fopen(name, mode);
- if (fh == NULL)
- return errno ? -errno : -1;
-
- err = fstat(fileno(fh), &file_stat);
- if (err)
- return errno ? -errno : -1;
-
- file->len = file_stat.st_size;
- file->data = malloc(file->len);
- if (file->data == NULL)
- return -ENOMEM;
-
- err = fread(file->data, file->len, 1, fh);
- if (err != 1)
- return -ferror(fh);
-
- file->name = strdup(name);
- fclose(fh);
-
- if (!file->name)
- return -ENOMEM;
-
- return 0;
-}
-
-static void *__carlfw_find_desc(struct carlfw_file *file,
- uint8_t descid[4],
- unsigned int len,
- uint8_t compatible_revision)
-{
- int scan = file->len, found = 0;
- struct carl9170fw_desc_head *tmp = NULL;
-
- while (scan >= 0) {
- if (file->data[scan] == descid[CARL9170FW_MAGIC_SIZE - found - 1])
- found++;
- else
- found = 0;
-
- if (found == CARL9170FW_MAGIC_SIZE)
- break;
-
- scan--;
- }
-
- if (found == CARL9170FW_MAGIC_SIZE) {
- tmp = (void *) &file->data[scan];
-
- if (!CHECK_HDR_VERSION(tmp, compatible_revision) &&
- (le16_to_cpu(tmp->length) >= len))
- return tmp;
- }
-
- return NULL;
-}
-
-void *carlfw_find_desc(struct carlfw *fw,
- const uint8_t descid[4],
- const unsigned int len,
- const uint8_t compatible_revision)
-{
- struct carlfw_list_entry *tmp;
-
- tmp = carlfw_find_entry(fw, descid, len, compatible_revision);
-
- return tmp ? carlfw_entry_to_desc(tmp) : NULL;
-}
-
-int carlfw_desc_add_tail(struct carlfw *fw,
- const struct carl9170fw_desc_head *desc)
-{
- struct carlfw_list_entry *tmp;
-
- tmp = __carlfw_entry_add_prepare(fw, desc);
- if (IS_ERR(tmp))
- return PTR_ERR(tmp);
-
- list_add_tail(&tmp->h.list, &fw->desc_list);
- return 0;
-}
-
-int carlfw_desc_add(struct carlfw *fw,
- const struct carl9170fw_desc_head *desc,
- struct carl9170fw_desc_head *prev,
- struct carl9170fw_desc_head *next)
-{
- struct carlfw_list_entry *tmp;
-
- tmp = __carlfw_entry_add_prepare(fw, desc);
- if (IS_ERR(tmp))
- return PTR_ERR(tmp);
-
- list_add(&tmp->h.list, &((carlfw_desc_to_entry(prev))->h.list),
- &((carlfw_desc_to_entry(next))->h.list));
- return 0;
-}
-
-int carlfw_desc_add_before(struct carlfw *fw,
- const struct carl9170fw_desc_head *desc,
- struct carl9170fw_desc_head *pos)
-{
- struct carl9170fw_desc_head *prev;
- struct carlfw_list_entry *prev_entry;
-
- prev_entry = carlfw_desc_to_entry(pos);
-
- prev = carlfw_entry_to_desc((struct carlfw_list_entry *) prev_entry->h.list.prev);
-
- return carlfw_desc_add(fw, desc, prev, pos);
-}
-
-void carlfw_desc_unlink(struct carlfw *fw,
- struct carl9170fw_desc_head *desc)
-{
- carlfw_entry_unlink(fw, carlfw_desc_to_entry(desc));
-}
-
-void carlfw_desc_del(struct carlfw *fw,
- struct carl9170fw_desc_head *desc)
-{
- carlfw_entry_del(fw, carlfw_desc_to_entry(desc));
-}
-
-void *carlfw_desc_mod_len(struct carlfw *fw __unused,
- struct carl9170fw_desc_head *desc, size_t len)
-{
- struct carlfw_list_entry *obj, tmp;
- int new_len = le16_to_cpu(desc->length) + len;
-
- if (new_len < (int)sizeof(*desc))
- return ERR_PTR(-EINVAL);
-
- if (new_len > CARL9170FW_DESC_MAX_LENGTH)
- return ERR_PTR(-E2BIG);
-
- obj = carlfw_desc_to_entry(desc);
-
- memcpy(&tmp, obj, sizeof(tmp));
- obj = realloc(obj, new_len + sizeof(struct carlfw_list_entry_head));
- if (obj == NULL)
- return ERR_PTR(-ENOMEM);
-
- list_replace(&tmp.h.list, &obj->h.list);
-
- desc = carlfw_entry_to_desc(obj);
- desc->length = le16_to_cpu(new_len);
- fw->desc_list_len += len;
-
- return desc;
-}
-
-void *carlfw_desc_next(struct carlfw *fw,
- struct carl9170fw_desc_head *pos)
-{
- struct carlfw_list_entry *entry;
-
- if (!pos)
- entry = (struct carlfw_list_entry *) &fw->desc_list;
- else
- entry = carlfw_desc_to_entry(pos);
-
- if (list_at_tail(entry, &fw->desc_list, h.list))
- return NULL;
-
- entry = (struct carlfw_list_entry *) entry->h.list.next;
-
- return carlfw_entry_to_desc(entry);
-}
-
-static int carlfw_parse_descs(struct carlfw *fw,
- struct carl9170fw_otus_desc *otus_desc)
-{
- const struct carl9170fw_desc_head *iter = NULL;
- int err;
-
- carl9170fw_for_each_hdr(iter, &otus_desc->head) {
- err = carlfw_desc_add_tail(fw, iter);
- if (err)
- return err;
- }
- /* LAST is added automatically by carlfw_store */
-
- return err;
-}
-
-#if BYTE_ORDER == LITTLE_ENDIAN
-#define CRCPOLY_LE 0xedb88320
-
-/* copied from the linux kernel */
-static uint32_t crc32_le(uint32_t crc, unsigned char const *p, size_t len)
-{
- int i;
- while (len--) {
- crc ^= *p++;
- for (i = 0; i < 8; i++)
- crc = (crc >> 1) ^ ((crc & 1) ? CRCPOLY_LE : 0);
- }
- return crc;
-}
-#else
-#error "this tool does not work with a big endian host yet!"
-#endif
-
-static int carlfw_check_crc32s(struct carlfw *fw)
-{
- struct carl9170fw_chk_desc *chk_desc;
- struct carlfw_list_entry *iter;
- unsigned int elen;
- uint32_t crc32;
-
- chk_desc = carlfw_find_desc(fw, (uint8_t *) CHK_MAGIC,
- sizeof(*chk_desc),
- CARL9170FW_CHK_DESC_CUR_VER);
- if (!chk_desc)
- return -ENODATA;
-
- crc32 = crc32_le(~0, (void *) fw->fw.data, fw->fw.len);
- if (crc32 != le32_to_cpu(chk_desc->fw_crc32))
- return -EINVAL;
-
- carlfw_walk_descs(iter, fw) {
- elen = le16_to_cpu(iter->head.length);
-
- if (carl9170fw_desc_cmp(&iter->head, (uint8_t *) CHK_MAGIC,
- sizeof(*chk_desc),
- CARL9170FW_CHK_DESC_CUR_VER))
- continue;
-
- crc32 = crc32_le(crc32, (void *) &iter->head, elen);
- }
-
- if (crc32 != le32_to_cpu(chk_desc->hdr_crc32))
- return -EINVAL;
-
- return 0;
-}
-
-struct carlfw *carlfw_load(const char *basename)
-{
- char filename[256];
- struct carlfw *fw;
- struct carl9170fw_otus_desc *otus_desc;
- struct carl9170fw_last_desc *last_desc;
- struct carlfw_file *hdr_file;
- unsigned long fin, diff, off, rem;
- int err;
-
- fw = calloc(1, sizeof(*fw));
- if (!fw)
- return ERR_PTR(-ENOMEM);
-
- init_list_head(&fw->desc_list);
-
- err = __carlfw_load(&fw->fw, basename, "r");
- if (err)
- goto err_out;
-
- if (fw->hdr.name)
- hdr_file = &fw->hdr;
- else
- hdr_file = &fw->fw;
-
- otus_desc = __carlfw_find_desc(hdr_file, (uint8_t *) OTUS_MAGIC,
- sizeof(*otus_desc),
- CARL9170FW_OTUS_DESC_CUR_VER);
- last_desc = __carlfw_find_desc(hdr_file, (uint8_t *) LAST_MAGIC,
- sizeof(*last_desc),
- CARL9170FW_LAST_DESC_CUR_VER);
-
- if (!otus_desc || !last_desc ||
- (unsigned long) otus_desc > (unsigned long) last_desc) {
- err = -ENODATA;
- goto err_out;
- }
-
- err = carlfw_parse_descs(fw, otus_desc);
- if (err)
- goto err_out;
-
- fin = (unsigned long)last_desc + sizeof(*last_desc);
- diff = fin - (unsigned long)otus_desc;
- rem = hdr_file->len - (fin - (unsigned long) hdr_file->data);
-
- if (rem) {
- off = (unsigned long)otus_desc - (unsigned long)hdr_file->data;
- memmove(&hdr_file->data[off],
- ((uint8_t *)last_desc) + sizeof(*last_desc), rem);
- }
-
- hdr_file->len -= diff;
- hdr_file->data = realloc(hdr_file->data, hdr_file->len);
- if (!hdr_file->data && hdr_file->len) {
- err = -ENOMEM;
- goto err_out;
- }
-
- err = carlfw_check_crc32s(fw);
- if (err && err != -ENODATA)
- goto err_out;
-
- return fw;
-
-err_out:
- carlfw_release(fw);
- return ERR_PTR(err);
-}
-
-static int carlfw_apply_checksums(struct carlfw *fw)
-{
- struct carlfw_list_entry *iter;
- struct carl9170fw_chk_desc tmp = {
- CARL9170FW_FILL_DESC(CHK_MAGIC, sizeof(tmp),
- CARL9170FW_CHK_DESC_MIN_VER,
- CARL9170FW_CHK_DESC_CUR_VER) };
- struct carl9170fw_chk_desc *chk_desc = NULL;
- int err = 0;
- unsigned int len = 0, elen, max_len;
- uint32_t crc32;
-
- chk_desc = carlfw_find_desc(fw, (uint8_t *) CHK_MAGIC,
- sizeof(*chk_desc),
- CARL9170FW_CHK_DESC_CUR_VER);
- if (chk_desc) {
- carlfw_desc_del(fw, &chk_desc->head);
- chk_desc = NULL;
- }
-
- max_len = fw->desc_list_len;
-
- crc32 = crc32_le(~0, (void *) fw->fw.data, fw->fw.len);
- tmp.fw_crc32 = cpu_to_le32(crc32);
-
- /*
- * NOTE:
- *
- * The descriptor checksum is seeded with the firmware's crc32.
- * This neat trick ensures that the driver can check whenever
- * descriptor actually belongs to the firmware, or not.
- */
-
- carlfw_walk_descs(iter, fw) {
- elen = le16_to_cpu(iter->head.length);
-
- if (max_len < len + elen)
- return -EMSGSIZE;
-
- crc32 = crc32_le(crc32, (void *) &iter->head, elen);
- len += elen;
- }
-
- tmp.hdr_crc32 = cpu_to_le32(crc32);
-
- err = carlfw_desc_add_tail(fw, &tmp.head);
-
- return err;
-}
-
-int carlfw_store(struct carlfw *fw)
-{
- struct carl9170fw_last_desc last_desc = {
- CARL9170FW_FILL_DESC(LAST_MAGIC, sizeof(last_desc),
- CARL9170FW_LAST_DESC_MIN_VER,
- CARL9170FW_LAST_DESC_CUR_VER) };
-
- struct carlfw_list_entry *iter;
- FILE *fh;
- int err, elen;
-
- err = carlfw_apply_checksums(fw);
- if (err)
- return err;
-
- fh = fopen(fw->fw.name, "w");
- if (!fh)
- return -errno;
-
- err = fwrite(fw->fw.data, fw->fw.len, 1, fh);
- if (err != 1) {
- err = -errno;
- goto close_out;
- }
-
- if (fw->hdr.name) {
- fclose(fh);
-
- fh = fopen(fw->hdr.name, "w");
- }
-
- carlfw_walk_descs(iter, fw) {
- elen = le16_to_cpu(iter->head.length);
-
- if (elen > CARL9170FW_DESC_MAX_LENGTH) {
- err = -E2BIG;
- goto close_out;
- }
-
- err = fwrite(iter->data, elen, 1, fh);
- if (err != 1) {
- err = -ferror(fh);
- goto close_out;
- }
- }
-
- err = fwrite(&last_desc, sizeof(last_desc), 1, fh);
- if (err != 1) {
- err = -ferror(fh);
- goto close_out;
- }
-
- err = 0;
-
-close_out:
- fclose(fh);
- return err;
-}
-
-void *carlfw_mod_tailroom(struct carlfw *fw, ssize_t len)
-{
- size_t new_len;
- void *buf;
-
- new_len = fw->fw.len + len;
-
- if (!carl9170fw_size_check(new_len))
- return ERR_PTR(-EINVAL);
-
- buf = realloc(fw->fw.data, new_len);
- if (buf == NULL)
- return ERR_PTR(-ENOMEM);
-
- fw->fw.len = new_len;
- fw->fw.data = buf;
- return &fw->fw.data[new_len - len];
-}
-
-void *carlfw_mod_headroom(struct carlfw *fw, ssize_t len)
-{
- size_t new_len;
- void *ptr;
-
- new_len = fw->fw.len + len;
- if (!carl9170fw_size_check(new_len))
- return ERR_PTR(-EINVAL);
-
- if (len < 0)
- memmove(fw->fw.data, &fw->fw.data[len], new_len);
-
- ptr = carlfw_mod_tailroom(fw, len);
- if (IS_ERR_OR_NULL(ptr))
- return ptr;
-
- if (len > 0)
- memmove(&fw->fw.data[len], &fw->fw.data[0], new_len - len);
-
- return fw->fw.data;
-}
-
-void *carlfw_get_fw(struct carlfw *fw, size_t *len)
-{
- *len = fw->fw.len;
- return fw->fw.data;
-}
-
-unsigned int carlfw_get_descs_num(struct carlfw *fw)
-{
- return fw->desc_list_entries;
-}
-
-unsigned int carlfw_get_descs_size(struct carlfw *fw)
-{
- return fw->desc_list_len;
-}
diff --git a/carl9170fw/tools/lib/carlfw.h b/carl9170fw/tools/lib/carlfw.h
deleted file mode 100644
index 6e722c9..0000000
--- a/carl9170fw/tools/lib/carlfw.h
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
- * Copyright 2010-2011 Christian Lamparter <chunkeey@googlemail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#ifndef __CARLFW_H
-#define __CARLFW_H
-
-#include <linux/types.h>
-#include "compiler.h"
-#include "fwdesc.h"
-#include "list.h"
-
-struct carlfw;
-
-void carlfw_release(struct carlfw *fw);
-struct carlfw *carlfw_load(const char *basename);
-int carlfw_store(struct carlfw *fw);
-void *carlfw_find_desc(struct carlfw *fw,
- const uint8_t descid[4], const unsigned int len,
- const uint8_t compatible_revision);
-
-int carlfw_desc_add_tail(struct carlfw *fw,
- const struct carl9170fw_desc_head *desc);
-
-int carlfw_desc_add(struct carlfw *fw,
- const struct carl9170fw_desc_head *desc,
- struct carl9170fw_desc_head *prev,
- struct carl9170fw_desc_head *next);
-
-void *carlfw_desc_mod_len(struct carlfw *fw,
- struct carl9170fw_desc_head *desc,
- size_t len);
-
-int carlfw_desc_add_before(struct carlfw *fw,
- const struct carl9170fw_desc_head *desc,
- struct carl9170fw_desc_head *pos);
-
-void carlfw_desc_unlink(struct carlfw *fw,
- struct carl9170fw_desc_head *desc);
-
-void carlfw_desc_del(struct carlfw *fw,
- struct carl9170fw_desc_head *entry);
-
-void *carlfw_desc_next(struct carlfw *fw,
- struct carl9170fw_desc_head *pos);
-
-void *carlfw_mod_tailroom(struct carlfw *fw, ssize_t len);
-void *carlfw_mod_headroom(struct carlfw *fw, ssize_t len);
-
-void *carlfw_get_fw(struct carlfw *fw, size_t *len);
-
-unsigned int carlfw_get_descs_num(struct carlfw *fw);
-unsigned int carlfw_get_descs_size(struct carlfw *fw);
-#endif /* __CARLFW_H */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-24 23:28:50 +0000