android/android_kernel_cmhtcleo
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

htcleo: fixed wifi mac addresses to board device dependend one.

Browse Source 
In NVS the mac address is always same on all devices.
We create now from encrypted device ID a custom mac address.
This is always different but for same device almays identical.
(by Markinus)
This commit is contained in:
tytung 2011-01-28 23:56:07 +08:00
parent 27fddc92af
commit 25be0f83ab
1 changed files with 14 additions and 50 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

64
arch/arm/mach-msm/board-htcleo-wifi-nvs.c
View File

@ -24,6 +24,9 @@
#include <linux/proc_fs.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/blktrans.h>
#include <mach/msm_iomap.h>
#include <linux/crc32.h>
#include <linux/io.h>
#define NVS_MAX_SIZE 0x800U
#define NVS_MACADDR_SIZE 0x1AU
@ -34,9 +37,8 @@
//------------------------------------------
static unsigned char wifi_nvs_ram[NVS_MAX_SIZE];
static struct proc_dir_entry *wifi_calibration;
static unsigned char *nvs_mac_addr = "macaddr=00:11:22:33:44:55\n";
static unsigned char nvs_mac_addr[NVS_MACADDR_SIZE];
static unsigned char *hardcoded_nvs =
"sromrev=3\n"\
"vendid=0x14e4\n"\
@ -116,55 +118,17 @@ EXPORT_SYMBOL(get_wifi_nvs_ram);
static int parse_tag_msm_wifi(void)
{
unsigned size;
#ifdef NVS_MSM_WIFI_DEBUG
unsigned i;
#endif
int devnum = 0;
int ret = 0;
char* maddr=wifi_nvs_ram;
struct mtd_info *mtd;
DEBUG(MTD_DEBUG_LEVEL0, "MTD_open\n");
mtd = get_mtd_device(NULL, devnum);
if (IS_ERR(mtd)) {
ret = PTR_ERR(mtd);
goto out;
}
if (MTD_ABSENT == mtd->type) {
put_mtd_device(mtd);
ret = -ENODEV;
goto out;
}
if(mtd->read(mtd, (0x7e40 * NVS_MAX_SIZE), NVS_MAX_SIZE, &size, wifi_nvs_ram)) {
put_mtd_device(mtd);
ret = 1;
goto out;
}
put_mtd_device(mtd);
while(memcmp(maddr, "macaddr=", 8)!=0) {
if((char*)++maddr>(char*)(wifi_nvs_ram+NVS_MAX_SIZE-NVS_MACADDR_SIZE))
break;
else
maddr++;
}
if (!user_mac_address)
if((char*)maddr<(char*)(wifi_nvs_ram+NVS_MAX_SIZE-NVS_MACADDR_SIZE)) nvs_mac_addr = maddr;
#ifdef NVS_MSM_WIFI_DEBUG
printk("WiFi Data size = %d \n", size);
for(i=0;( i < size );i++) {
printk("%02x ", wifi_nvs_ram[i]);
}
#endif
uint32_t id1, id2, id3, sid1, sid2, sid3;
uint32_t id_base = 0xef260;
id1 = readl(MSM_SHARED_RAM_BASE + id_base + 0x0);
id2 = readl(MSM_SHARED_RAM_BASE + id_base + 0x4);
id3 = readl(MSM_SHARED_RAM_BASE + id_base + 0x8);
sid1 = crc32(~0, &id1, 4);
sid2 = crc32(~0, &id2, 4);
sid3 = crc32(~0, &id3, 4);
sprintf(nvs_mac_addr, "macaddr=00:90:4c:%2x:%2x:%2x\n", sid1 % 0xff, sid2 % 0xff, sid3 % 0xff);
pr_info("Device Wifi Mac Address: %s\n", nvs_mac_addr);
return 0;
out:
return ret;
}
static unsigned wifi_get_nvs_size( void )