static void init_loopback(struct device *dev)
{
struct in6_addr addr;
struct inet6_dev *idev;
struct inet6_ifaddr * ifp;
/* ::1 */
memset(&addr, 0, sizeof(struct in6_addr));
addr.s6_addr[15] = 1;
if ((idev = ipv6_find_idev(dev)) == NULL) {
printk(KERN_DEBUG "init loopback: add_dev failed\n");
return;
}
ipv6_mc_up(idev);
addrconf_lock();
ifp = ipv6_add_addr(idev, &addr, IFA_HOST);
if (ifp) {
ifp->flags |= ADDR_PERMANENT;
ifp->prefix_len = 128;
ipv6_ifa_notify(RTM_NEWADDR, ifp);
}
addrconf_unlock();
}
static struct inet6_dev * ipv6_find_idev(struct device *dev)
{
struct inet6_dev *idev;
if ((idev = ipv6_get_idev(dev)) == NULL) {
idev = ipv6_add_dev(dev);
if (idev == NULL)
return NULL;
}
if (dev->flags&IFF_UP)
ipv6_mc_up(idev);
return idev;
}
static struct inet6_dev * ipv6_find_idev(struct net_device *dev)
{
struct inet6_dev *idev;
ASSERT_RTNL();
if ((idev = __in6_dev_get(dev)) == NULL) {
if ((idev = ipv6_add_dev(dev)) == NULL)
return NULL;
}
if (dev->flags&IFF_UP)
ipv6_mc_up(idev);
return idev;
}
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;
ipv6_mc_up(idev);
#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_sit_config(struct device *dev)
{
struct inet6_dev *idev;
/*
* Configure the tunnel with one of our IPv4
* addresses... we should configure all of
* our v4 addrs in the tunnel
*/
if ((idev = ipv6_find_idev(dev)) == NULL) {
printk(KERN_DEBUG "init sit: add_dev failed\n");
return;
}
ipv6_mc_up(idev);
sit_add_v4_addrs(idev);
if (dev->flags&IFF_POINTOPOINT) {
addrconf_add_mroute(dev);
addrconf_add_lroute(dev);
} else
sit_route_add(dev);
}
