netdev - [patch net-next] ipv6: allow userspace to create address with IFLA_F

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Date:	Thu, 24 Oct 2013 15:45:55 +0200
From:	Jiri Pirko <jiri@...nulli.us>
To:	netdev@...r.kernel.org
Cc:	davem@...emloft.net, kuznet@....inr.ac.ru, jmorris@...ei.org,
	yoshfuji@...ux-ipv6.org, kaber@...sh.net, thaller@...hat.com,
	stephen@...workplumber.org
Subject: [patch net-next] ipv6: allow userspace to create address with IFLA_F_TEMPORARY flag

This is needed in order to implement userspace address configuration,
namely ip6-privacy (rfc4941) in NetworkManager.

Signed-off-by: Jiri Pirko <jiri@...nulli.us>
---
 net/ipv6/addrconf.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index cd3fb30..962c7c9 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -3715,7 +3715,8 @@ inet6_rtm_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh)
 		return -ENODEV;
 
 	/* We ignore other flags so far. */
-	ifa_flags = ifm->ifa_flags & (IFA_F_NODAD | IFA_F_HOMEADDRESS);
+	ifa_flags = ifm->ifa_flags & (IFA_F_NODAD | IFA_F_HOMEADDRESS |
+				      IFA_F_TEMPORARY);
 
 	ifa = ipv6_get_ifaddr(net, pfx, dev, 1);
 	if (ifa == NULL) {
-- 
1.8.3.1

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