@@ -3339,7 +3339,8 @@ static void addrconf_dev_config(struct net_device *dev)
(dev->type != ARPHRD_IPGRE) &&
(dev->type != ARPHRD_TUNNEL) &&
(dev->type != ARPHRD_NONE) &&
- (dev->type != ARPHRD_RAWIP)) {
+ (dev->type != ARPHRD_RAWIP) &&
+ (dev->type != ARPHRD_PUREIP)) {
/* Alas, we support only Ethernet autoconfiguration. */
idev = __in6_dev_get(dev);
if (!IS_ERR_OR_NULL(idev) && dev->flags & IFF_UP &&
@@ -3352,6 +3353,12 @@ static void addrconf_dev_config(struct net_device *dev)
if (IS_ERR(idev))
return;
+ /* this device type doesn't need to generate
+ * link-local address in any addr_gen_mode
+ */
+ if (dev->type == ARPHRD_PUREIP)
+ return;
+
/* this device type has no EUI support */
if (dev->type == ARPHRD_NONE &&
idev->cnf.addr_gen_mode == IN6_ADDR_GEN_MODE_EUI64)
PUREIP device such as ccmni does not need kernel to generate ipv6 link-local address in any addr_gen_mode, generally, it shall use the IPv6 Interface Identifier, as provided by the GGSN, to create its IPv6 link-ocal Unicast Address. Signed-off-by: Rocco Yue <rocco.yue@mediatek.com> --- net/ipv6/addrconf.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-)