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

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Signed-off-by: Felix Jia <felix.jia@alliedtelesis.co.nz>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Felix Jia 2017-01-26 16:59:18 +13:00 committed by David S. Miller
parent d35a00b8e3
commit 45ce0fd19d
3 changed files with 12 additions and 0 deletions
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5
net/ipv6/addrconf.c
View File

@ -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;

3
net/ipv6/ip6_gre.c
View File

@ -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)

4
net/ipv6/ip6_vti.c
View File

@ -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);
}
/**