/*
* Manual configuration of address on an interface
*/
static int inet6_addr_add(int ifindex, struct in6_addr *pfx, int plen)
{
struct inet6_ifaddr *ifp;
struct inet6_dev *idev;
struct net_device *dev;
int scope;
ASSERT_RTNL();
if ((dev = __dev_get_by_index(ifindex)) == NULL)
return -ENODEV;
if (!(dev->flags&IFF_UP))
return -ENETDOWN;
if ((idev = addrconf_add_dev(dev)) == NULL)
return -ENOBUFS;
scope = ipv6_addr_scope(pfx);
if ((ifp = ipv6_add_addr(idev, pfx, plen, scope, IFA_F_PERMANENT)) != NULL) {
addrconf_dad_start(ifp);
in6_ifa_put(ifp);
return 0;
}
return -ENOBUFS;
}
/*
* Manual configuration of address on an interface
*/
static int inet6_addr_add(int ifindex, struct in6_addr *pfx, int plen)
{
struct inet6_ifaddr *ifp;
struct inet6_dev *idev;
struct device *dev;
int scope;
if ((dev = dev_get_by_index(ifindex)) == NULL)
return -ENODEV;
if (!(dev->flags&IFF_UP))
return -ENETDOWN;
if ((idev = addrconf_add_dev(dev)) == NULL)
return -ENOBUFS;
scope = ipv6_addr_scope(pfx);
if ((ifp = ipv6_add_addr(idev, pfx, scope)) == NULL)
return -ENOMEM;
ifp->prefix_len = plen;
ifp->flags |= ADDR_PERMANENT;
addrconf_dad_start(ifp);
return 0;
}
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 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
}
