/* * 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 }