Hello,
2018-06-04 6:54 GMT+09:00 Subash Abhinov Kasiviswanathan
<subas...@codeaurora.org>:
> RAWIP devices such as rmnet do not have a hardware address and
> instead require the kernel to generate a random IID for the
> temporary addresses. For permanent addresses, the device IID is
> used along with prefix received.
>
> Signed-off-by: Subash Abhinov Kasiviswanathan <subas...@codeaurora.org>
> ---
> net/ipv6/addrconf.c | 17 ++++++++++++++++-
> 1 file changed, 16 insertions(+), 1 deletion(-)
>
> diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
> index f09afc2..e4c4540 100644
> --- a/net/ipv6/addrconf.c
> +++ b/net/ipv6/addrconf.c
> @@ -2230,6 +2230,18 @@ static int addrconf_ifid_ip6tnl(u8 *eui, struct
> net_device *dev)
> return 0;
> }
>
> +static int addrconf_ifid_rawip(u8 *eui, struct net_device *dev)
> +{
> + struct in6_addr lladdr;
> +
> + if (ipv6_get_lladdr(dev, &lladdr, IFA_F_TENTATIVE))
> + get_random_bytes(eui, 8);
Please be aware of I/G bit and G/L bit.
--yoshfuji
