/* get permanent mac address from
* 0: success
* non-0:fail
*/
u16 l1f_get_perm_macaddr(struct alx_hw *hw, u8 *addr)
{
u32 val, mac0, mac1;
u16 flag, i;
#define INTN_LOADED 0x1
#define EXTN_LOADED 0x2
flag = 0;
val = 0;
read_mcadr:
/* get it from register first */
alx_mem_r32(hw, L1F_STAD0, &mac0);
alx_mem_r32(hw, L1F_STAD1, &mac1);
*(u32 *)(addr + 2) = LX_SWAP_DW(mac0);
*(u16 *)addr = (u16)LX_SWAP_W((u16)mac1);
if (macaddr_valid(addr))
return 0;
if ((flag & INTN_LOADED) == 0) {
/* load from efuse ? */
for (i = 0; i < L1F_SLD_MAX_TO; i++) {
alx_mem_r32(hw, L1F_SLD, &val);
if ((val & (L1F_SLD_STAT | L1F_SLD_START)) == 0)
break;
mdelay(1);
}
if (i == L1F_SLD_MAX_TO)
goto out;
alx_mem_w32(hw, L1F_SLD, val | L1F_SLD_START);
for (i = 0; i < L1F_SLD_MAX_TO; i++) {
mdelay(1);
alx_mem_r32(hw, L1F_SLD, &val);
if ((val & L1F_SLD_START) == 0)
break;
}
if (i == L1F_SLD_MAX_TO)
goto out;
flag |= INTN_LOADED;
goto read_mcadr;
}
if ((flag & EXTN_LOADED) == 0) {
alx_mem_r32(hw, L1F_EFLD, &val);
if ((val & (L1F_EFLD_F_EXIST | L1F_EFLD_E_EXIST)) != 0) {
/* load from eeprom/flash ? */
for (i = 0; i < L1F_SLD_MAX_TO; i++) {
alx_mem_r32(hw, L1F_EFLD, &val);
if ((val & (L1F_EFLD_STAT |
L1F_EFLD_START)) == 0) {
break;
}
mdelay(1);
}
if (i == L1F_SLD_MAX_TO)
goto out;
alx_mem_w32(hw, L1F_EFLD, val | L1F_EFLD_START);
for (i = 0; i < L1F_SLD_MAX_TO; i++) {
mdelay(1);
alx_mem_r32(hw, L1F_EFLD, &val);
if ((val & L1F_EFLD_START) == 0)
break;
}
if (i == L1F_SLD_MAX_TO)
goto out;
flag |= EXTN_LOADED;
goto read_mcadr;
}
}
out:
return LX_ERR_ALOAD;
}
int get_mac_addr(char* mac)
{
int status;
char filename[128];
char filebuf[128];
RWLOCK_INIT(&mac_lock);
RWLOCK_WLOCK(&mac_lock);
memset(filebuf, 0, 128);
printk("%s : enter\n", __func__);
// 1. if "mac.bin" exist ?
make_filename(filename, sizeof(filename), "mac.bin");
status = mac_read_file(filebuf, filename);
if(status < 0) {
//printk("Not find file: %s!\n", filename);
}
else {
printk("Find file: %s \n", filename);
memcpy(&(registry.general.macAddress), filebuf, 6);
goto _exit;
}
#if 0
// 2. if mib file mac available ?
if(macaddr_valid(mac, 6)) {
printk("Find mac in mib file or EEPROM\n");
memcpy(filebuf, mac, 6);
goto _exit;
}
#endif
#ifdef WINNER_SN2MAC
// 2. if mac.sn exist ?
make_filename(filename, sizeof(filename), "mac.sn");
status = mac_read_file(filebuf, filename);
if(status < 0) {
if(sn_to_mac(filebuf)==TRUE)
{
printk("sn_to_mac : %02X:%02X:%02X:%02X:%02X:%02X\n", filebuf[0], filebuf[1], filebuf[2], filebuf[3], filebuf[4], filebuf[5]);
mac_write_file(filebuf, 6, filename);
goto _exit;
}
}
else {
printk("Find file %s\n", filename);
goto _exit;
}
#endif
// 3. if mac.random exist ?
make_filename(filename, sizeof(filename), "mac.random");
status = mac_read_file(filebuf, filename);
if(status < 0) {
//printk("Not find file: %s!\n", filename);
}
else {
printk("Find file %s\n", filename);
goto _exit;
}
// 4. mac.random not exist, generate it
printk("No mac , generate random one!\n");
WiFiEngine_RandomMAC(0, filebuf, 6);
memcpy(filebuf, MAC_PREFIX, strlen(MAC_PREFIX));
//mac_write_file(filebuf, 6, filename);
_exit:
RWLOCK_WUNLOCK(&mac_lock);
memcpy(mac, filebuf, 6);
printk("mac = %02X:%02X:%02X:%02X:%02X:%02X\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
return 0;
}
