static void addrconf_dev_config(struct device *dev)
{
struct in6_addr addr;
struct inet6_dev * idev;
if (dev->type != ARPHRD_ETHER) {
/* Alas, we support only Ethernet autoconfiguration. */
return;
}
idev = addrconf_add_dev(dev);
if (idev == NULL)
return;
#ifdef CONFIG_IPV6_EUI64
memset(&addr, 0, sizeof(struct in6_addr));
addr.s6_addr[0] = 0xFE;
addr.s6_addr[1] = 0x80;
if (ipv6_generate_eui64(addr.s6_addr + 8, dev) == 0)
addrconf_add_linklocal(idev, &addr);
#endif
#ifndef CONFIG_IPV6_NO_PB
memset(&addr, 0, sizeof(struct in6_addr));
addr.s6_addr[0] = 0xFE;
addr.s6_addr[1] = 0x80;
memcpy(addr.s6_addr + (sizeof(struct in6_addr) - dev->addr_len),
dev->dev_addr, dev->addr_len);
addrconf_add_linklocal(idev, &addr);
#endif
}
static void addrconf_dev_config(struct net_device *dev)
{
struct in6_addr addr;
struct inet6_dev * idev;
ASSERT_RTNL();
if ((dev->type != ARPHRD_ETHER) &&
(dev->type != ARPHRD_FDDI) &&
(dev->type != ARPHRD_IEEE802_TR)) {
/* Alas, we support only Ethernet autoconfiguration. */
return;
}
idev = addrconf_add_dev(dev);
if (idev == NULL)
return;
memset(&addr, 0, sizeof(struct in6_addr));
addr.s6_addr[0] = 0xFE;
addr.s6_addr[1] = 0x80;
if (ipv6_generate_eui64(addr.s6_addr + 8, dev) == 0)
addrconf_add_linklocal(idev, &addr);
}
static int lowpan_event(struct notifier_block *unused,
unsigned long event, void *ptr)
{
struct net_device *dev = netdev_notifier_info_to_dev(ptr);
struct inet6_dev *idev;
struct in6_addr addr;
int i;
if (dev->type != ARPHRD_6LOWPAN)
return NOTIFY_DONE;
idev = __in6_dev_get(dev);
if (!idev)
return NOTIFY_DONE;
switch (event) {
case NETDEV_UP:
case NETDEV_CHANGE:
/* (802.15.4 6LoWPAN short address slaac handling */
if (lowpan_is_ll(dev, LOWPAN_LLTYPE_IEEE802154) &&
addrconf_ifid_802154_6lowpan(addr.s6_addr + 8, dev) == 0) {
__ipv6_addr_set_half(&addr.s6_addr32[0],
htonl(0xFE800000), 0);
addrconf_add_linklocal(idev, &addr, 0);
}
break;
case NETDEV_DOWN:
for (i = 0; i < LOWPAN_IPHC_CTX_TABLE_SIZE; i++)
clear_bit(LOWPAN_IPHC_CTX_FLAG_ACTIVE,
&lowpan_dev(dev)->ctx.table[i].flags);
break;
default:
return NOTIFY_DONE;
}
return NOTIFY_OK;
}