diff options
| author |   Felix Jia <felix.jia@alliedtelesis.co.nz> | 2017-01-26 16:59:18 +1300 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-01-27 10:25:34 -0500 |
| commit | 45ce0fd19da9ca21635c367d504b9e4904621ff4 (patch) | |
| tree | af3976ead60df2f2dbbe85dc7faa51f7bc24b8fa /net | |
| parent | net/ipv6: allow sysctl to change link-local address generation mode (diff) | |
| download | linux-dev-45ce0fd19da9ca21635c367d504b9e4904621ff4.tar.xz linux-dev-45ce0fd19da9ca21635c367d504b9e4904621ff4.zip | |
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>
Diffstat (limited to 'net')
| -rw-r--r-- | net/ipv6/addrconf.c | 5 | ||||
| -rw-r--r-- | net/ipv6/ip6_gre.c | 3 | ||||
| -rw-r--r-- | net/ipv6/ip6_vti.c | 4 |
3 files changed, 12 insertions, 0 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index e35259dd17ba..4c47656b9f09 100644 --- 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 65bdfd1cca80..1ba7567b4d8f 100644 --- 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 d82042c8d8fd..c795fee372c4 100644 --- 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); } /** |