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Generic NE-x000 Comaptible cards: allow changing the MAC OUI.

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This commit is contained in:
OBattler
2024-11-01 19:19:19 +01:00
parent 2184a982f8
commit c17fbfb9c6
1 changed files with 46 additions and 2 deletions
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48
src/network/net_ne2000.c
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@@ -911,8 +911,10 @@ static void *
nic_init(const device_t *info)
{
uint32_t mac;
uint32_t mac_oui;
char *rom;
nic_t *dev;
int set_oui = 0;
dev = malloc(sizeof(nic_t));
memset(dev, 0x00, sizeof(nic_t));
@@ -957,8 +959,8 @@ nic_init(const device_t *info)
dev->maclocal[4] = random_generate();
dev->maclocal[5] = random_generate();
mac = (((int) dev->maclocal[3]) << 16);
mac |= (((int) dev->maclocal[4]) << 8);
mac |= ((int) dev->maclocal[5]);
mac |= (((int) dev->maclocal[4]) << 8);
mac |= ((int) dev->maclocal[5]);
device_set_config_mac("mac", mac);
} else {
dev->maclocal[3] = (mac >> 16) & 0xff;
@@ -987,6 +989,7 @@ nic_init(const device_t *info)
dev->maclocal[2] = 0xB0;
dev->is_8bit = 1;
rom = NULL;
set_oui = 1;
dp8390_set_defaults(dev->dp8390, DP8390_FLAG_CHECK_CR | DP8390_FLAG_CLEAR_IRQ);
dp8390_mem_alloc(dev->dp8390, 0x2000, 0x2000);
break;
@@ -1005,6 +1008,7 @@ nic_init(const device_t *info)
dev->maclocal[1] = 0x86;
dev->maclocal[2] = 0xB0;
rom = ROM_PATH_NE2000;
set_oui = 1;
dp8390_set_defaults(dev->dp8390, DP8390_FLAG_EVEN_MAC | DP8390_FLAG_CHECK_CR | DP8390_FLAG_CLEAR_IRQ);
dp8390_mem_alloc(dev->dp8390, 0x4000, 0x4000);
break;
@@ -1015,6 +1019,7 @@ nic_init(const device_t *info)
dev->maclocal[2] = 0xB0;
dev->is_8bit = 1;
rom = ROM_PATH_NE2000;
set_oui = 1;
dp8390_set_defaults(dev->dp8390, DP8390_FLAG_EVEN_MAC | DP8390_FLAG_CHECK_CR | DP8390_FLAG_CLEAR_IRQ);
dp8390_mem_alloc(dev->dp8390, 0x4000, 0x4000);
break;
@@ -1059,6 +1064,24 @@ nic_init(const device_t *info)
break;
}
if (set_oui) {
/* See if we have a local MAC address configured. */
mac_oui = device_get_config_mac("mac_oui", -1);
/* Set up our BIA. */
if (mac_oui & 0xff000000) {
mac_oui = (((int) dev->maclocal[0]) << 16);
mac_oui |= (((int) dev->maclocal[1]) << 8);
mac_oui |= ((int) dev->maclocal[2]);
device_set_config_mac("mac", mac);
} else {
dev->maclocal[1] = (mac_oui >> 16) & 0xff;
dev->maclocal[2] = (mac_oui >> 8) & 0xff;
dev->maclocal[3] = (mac_oui & 0xff);
}
}
memcpy(dev->dp8390->physaddr, dev->maclocal, sizeof(dev->maclocal));
nelog(2, "%s: I/O=%04x, IRQ=%d, MAC=%02x:%02x:%02x:%02x:%02x:%02x\n",
@@ -1314,6 +1337,13 @@ static const device_config_t ne1000_compat_config[] = {
.default_string = "",
.default_int = -1
},
{
.name = "mac_oui",
.description = "MAC Address OUI",
.type = CONFIG_MAC,
.default_string = "",
.default_int = -1
},
{ .name = "", .description = "", .type = CONFIG_END }
};
@@ -1440,6 +1470,13 @@ static const device_config_t ne2000_compat_config[] = {
.default_string = "",
.default_int = -1
},
{
.name = "mac_oui",
.description = "MAC Address OUI",
.type = CONFIG_MAC,
.default_string = "",
.default_int = -1
},
{
.name = "bios_addr",
.description = "BIOS address",
@@ -1514,6 +1551,13 @@ static const device_config_t ne2000_compat_8bit_config[] = {
.default_string = "",
.default_int = -1
},
{
.name = "mac_oui",
.description = "MAC Address OUI",
.type = CONFIG_MAC,
.default_string = "",
.default_int = -1
},
{
.name = "bios_addr",
.description = "BIOS address",