This is a note to let you know that I've just added the patch titled
sit: Use ipip6_tunnel_init as the ndo_init function.
to the 3.14-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
sit-use-ipip6_tunnel_init-as-the-ndo_init-function.patch
and it can be found in the queue-3.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From foo@baz Tue Nov 18 09:07:38 PST 2014
From: Steffen Klassert <steffen.klassert@xxxxxxxxxxx>
Date: Mon, 3 Nov 2014 09:19:29 +0100
Subject: sit: Use ipip6_tunnel_init as the ndo_init function.
From: Steffen Klassert <steffen.klassert@xxxxxxxxxxx>
[ Upstream commit ebe084aafb7e93adf210e80043c9f69adf56820d ]
ipip6_tunnel_init() sets the dev->iflink via a call to
ipip6_tunnel_bind_dev(). After that, register_netdevice()
sets dev->iflink = -1. So we loose the iflink configuration
for ipv6 tunnels. Fix this by using ipip6_tunnel_init() as the
ndo_init function. Then ipip6_tunnel_init() is called after
dev->iflink is set to -1 from register_netdevice().
Signed-off-by: Steffen Klassert <steffen.klassert@xxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/ipv6/sit.c | 15 ++++++---------
1 file changed, 6 insertions(+), 9 deletions(-)
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -195,10 +195,8 @@ static int ipip6_tunnel_create(struct ne
struct sit_net *sitn = net_generic(net, sit_net_id);
int err;
- err = ipip6_tunnel_init(dev);
- if (err < 0)
- goto out;
- ipip6_tunnel_clone_6rd(dev, sitn);
+ memcpy(dev->dev_addr, &t->parms.iph.saddr, 4);
+ memcpy(dev->broadcast, &t->parms.iph.daddr, 4);
if ((__force u16)t->parms.i_flags & SIT_ISATAP)
dev->priv_flags |= IFF_ISATAP;
@@ -207,7 +205,8 @@ static int ipip6_tunnel_create(struct ne
if (err < 0)
goto out;
- strcpy(t->parms.name, dev->name);
+ ipip6_tunnel_clone_6rd(dev, sitn);
+
dev->rtnl_link_ops = &sit_link_ops;
dev_hold(dev);
@@ -1321,6 +1320,7 @@ static int ipip6_tunnel_change_mtu(struc
}
static const struct net_device_ops ipip6_netdev_ops = {
+ .ndo_init = ipip6_tunnel_init,
.ndo_uninit = ipip6_tunnel_uninit,
.ndo_start_xmit = sit_tunnel_xmit,
.ndo_do_ioctl = ipip6_tunnel_ioctl,
@@ -1367,9 +1367,7 @@ static int ipip6_tunnel_init(struct net_
tunnel->dev = dev;
tunnel->net = dev_net(dev);
-
- memcpy(dev->dev_addr, &tunnel->parms.iph.saddr, 4);
- memcpy(dev->broadcast, &tunnel->parms.iph.daddr, 4);
+ strcpy(tunnel->parms.name, dev->name);
ipip6_tunnel_bind_dev(dev);
dev->tstats = alloc_percpu(struct pcpu_sw_netstats);
@@ -1401,7 +1399,6 @@ static int __net_init ipip6_fb_tunnel_in
tunnel->dev = dev;
tunnel->net = dev_net(dev);
- strcpy(tunnel->parms.name, dev->name);
iph->version = 4;
iph->protocol = IPPROTO_IPV6;
Patches currently in stable-queue which might be from steffen.klassert@xxxxxxxxxxx are
queue-3.14/vti6-use-vti6_dev_init-as-the-ndo_init-function.patch
queue-3.14/gre6-move-the-setting-of-dev-iflink-into-the-ndo_init-functions.patch
queue-3.14/sit-use-ipip6_tunnel_init-as-the-ndo_init-function.patch
queue-3.14/ip6_tunnel-use-ip6_tnl_dev_init-as-the-ndo_init-function.patch
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