net/ipv6: support more tunnel interfaces for EUI64 link-local generation

Signed-off-by: Felix Jia <felix.jia@alliedtelesis.co.nz>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index e35259dd17badfc0662fc6afadbf382158a4dc0f..4c47656b9f09be2974fa39cbc3dc7a6acb2f6cb9 100644 (file)
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -2146,12 +2146,14 @@ static int ipv6_generate_eui64(u8 *eui, struct net_device *dev)
        case ARPHRD_SIT:
                return addrconf_ifid_sit(eui, dev);
        case ARPHRD_IPGRE:
+       case ARPHRD_TUNNEL:
                return addrconf_ifid_gre(eui, dev);
        case ARPHRD_6LOWPAN:
                return addrconf_ifid_eui64(eui, dev);
        case ARPHRD_IEEE1394:
                return addrconf_ifid_ieee1394(eui, dev);
        case ARPHRD_TUNNEL6:
+       case ARPHRD_IP6GRE:
                return addrconf_ifid_ip6tnl(eui, dev);
        }
        return -1;
@@ -3195,6 +3197,9 @@ static void addrconf_dev_config(struct net_device *dev)
            (dev->type != ARPHRD_IEEE1394) &&
            (dev->type != ARPHRD_TUNNEL6) &&
            (dev->type != ARPHRD_6LOWPAN) &&
+           (dev->type != ARPHRD_IP6GRE) &&
+           (dev->type != ARPHRD_IPGRE) &&
+           (dev->type != ARPHRD_TUNNEL) &&
            (dev->type != ARPHRD_NONE)) {
                /* Alas, we support only Ethernet autoconfiguration. */
                return;

diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index 65bdfd1cca806f1801322c4ffc9fb58fa1c97d7d..1ba7567b4d8fc8706d6e7ff69b2b182b637fb2ee 100644 (file)
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -993,6 +993,9 @@ static void ip6gre_tunnel_setup(struct net_device *dev)
        dev->flags |= IFF_NOARP;
        dev->addr_len = sizeof(struct in6_addr);
        netif_keep_dst(dev);
+       /* This perm addr will be used as interface identifier by IPv6 */
+       dev->addr_assign_type = NET_ADDR_RANDOM;
+       eth_random_addr(dev->perm_addr);
 }
 
 static int ip6gre_tunnel_init_common(struct net_device *dev)

diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c
index d82042c8d8fd4b38eac12a58eb634438aab726a7..c795fee372c4992cf6c391330a85d7d017a7a3a5 100644 (file)
--- a/net/ipv6/ip6_vti.c
+++ b/net/ipv6/ip6_vti.c
@@ -49,6 +49,7 @@
 #include <net/xfrm.h>
 #include <net/net_namespace.h>
 #include <net/netns/generic.h>
+#include <linux/etherdevice.h>
 
 #define IP6_VTI_HASH_SIZE_SHIFT  5
 #define IP6_VTI_HASH_SIZE (1 << IP6_VTI_HASH_SIZE_SHIFT)
@@ -842,6 +843,9 @@ static void vti6_dev_setup(struct net_device *dev)
        dev->flags |= IFF_NOARP;
        dev->addr_len = sizeof(struct in6_addr);
        netif_keep_dst(dev);
+       /* This perm addr will be used as interface identifier by IPv6 */
+       dev->addr_assign_type = NET_ADDR_RANDOM;
+       eth_random_addr(dev->perm_addr);
 }
 
 /**