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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next

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Steffen Klassert says:

====================
One patch to rename a newly introduced struct. The rest is
the rework of the IPsec virtual tunnel interface for ipv6 to
support inter address family tunneling and namespace crossing.

1) Rename the newly introduced struct xfrm_filter to avoid a
   conflict with iproute2. From Nicolas Dichtel.

2) Introduce xfrm_input_afinfo to access the address family
   dependent tunnel callback functions properly.

3) Add and use a IPsec protocol multiplexer for ipv6.

4) Remove dst_entry caching. vti can lookup multiple different
   dst entries, dependent of the configured xfrm states. Therefore
   it does not make to cache a dst_entry.

5) Remove caching of flow informations. vti6 does not use the the
   tunnel endpoint addresses to do route and xfrm lookups.

6) Update the vti6 to use its own receive hook.

7) Remove the now unused xfrm_tunnel_notifier. This was used from vti
   and is replaced by the IPsec protocol multiplexer hooks.

8) Support inter address family tunneling for vti6.

9) Check if the tunnel endpoints of the xfrm state and the vti interface
   are matching and return an error otherwise.

10) Enable namespace crossing for vti devices.
====================

Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
David S. Miller 2014-03-18 14:09:07 -04:00
commit 995dca4ce9
16 changed files with 668 additions and 211 deletions
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1
net/ipv4/xfrm4_policy.c
View file

@ -325,6 +325,7 @@ void __init xfrm4_init(void)
xfrm4_state_init();
xfrm4_policy_init();
xfrm4_protocol_init();
#ifdef CONFIG_SYSCTL
register_pernet_subsys(&xfrm4_net_ops);
#endif

13
net/ipv4/xfrm4_protocol.c
View file

@ -179,6 +179,12 @@ static const struct net_protocol ipcomp4_protocol = {
.netns_ok = 1,
};
static struct xfrm_input_afinfo xfrm4_input_afinfo = {
.family = AF_INET,
.owner = THIS_MODULE,
.callback = xfrm4_rcv_cb,
};
static inline const struct net_protocol *netproto(unsigned char protocol)
{
switch (protocol) {
@ -199,7 +205,6 @@ int xfrm4_protocol_register(struct xfrm4_protocol *handler,
struct xfrm4_protocol __rcu **pprev;
struct xfrm4_protocol *t;
bool add_netproto = false;
int ret = -EEXIST;
int priority = handler->priority;
@ -273,3 +278,9 @@ int xfrm4_protocol_deregister(struct xfrm4_protocol *handler,
return ret;
}
EXPORT_SYMBOL(xfrm4_protocol_deregister);
void __init xfrm4_protocol_init(void)
{
xfrm_input_register_afinfo(&xfrm4_input_afinfo);
}
EXPORT_SYMBOL(xfrm4_protocol_init);