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net: ipv6: Generate random IID for addresses on RAWIP devices

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RAWIP devices such as rmnet do not have a hardware address and
instead require the kernel to generate a random IID for the
IPv6 addresses.

Signed-off-by: Sean Tranchetti <stranche@codeaurora.org>
Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Subash Abhinov Kasiviswanathan
2018-06-04 19:26:07 -06:00
committed by David S. Miller
parent f4c9f85f3b
commit 9deb441c11
2 changed files with 7 additions and 1 deletions
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4
net/ipv6/addrconf.c
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@@ -2251,6 +2251,7 @@ static int ipv6_generate_eui64(u8 *eui, struct net_device *dev)
return addrconf_ifid_ieee1394(eui, dev);
case ARPHRD_TUNNEL6:
case ARPHRD_IP6GRE:
case ARPHRD_RAWIP:
return addrconf_ifid_ip6tnl(eui, dev);
}
return -1;
@@ -3286,7 +3287,8 @@ static void addrconf_dev_config(struct net_device *dev)
(dev->type != ARPHRD_IP6GRE) &&
(dev->type != ARPHRD_IPGRE) &&
(dev->type != ARPHRD_TUNNEL) &&
(dev->type != ARPHRD_NONE)) {
(dev->type != ARPHRD_NONE) &&
(dev->type != ARPHRD_RAWIP)) {
/* Alas, we support only Ethernet autoconfiguration. */
return;
}