From 2f32b51b609faea1e40bb8c5bd305f1351740936 Mon Sep 17 00:00:00 2001 From: Steffen Klassert Date: Fri, 14 Mar 2014 07:28:07 +0100 Subject: xfrm: Introduce xfrm_input_afinfo to access the the callbacks properly IPv6 can be build as a module, so we need mechanism to access the address family dependent callback functions properly. Therefore we introduce xfrm_input_afinfo, similar to that what we have for the address family dependent part of policies and states. Signed-off-by: Steffen Klassert --- net/ipv4/xfrm4_policy.c | 1 + net/ipv4/xfrm4_protocol.c | 13 ++++++++++++- 2 files changed, 13 insertions(+), 1 deletion(-) (limited to 'net/ipv4') diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c index e1a63930a967..6156f68a1e90 100644 --- a/net/ipv4/xfrm4_policy.c +++ b/net/ipv4/xfrm4_policy.c @@ -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 diff --git a/net/ipv4/xfrm4_protocol.c b/net/ipv4/xfrm4_protocol.c index cdc09efca442..7f7b243e8139 100644 --- a/net/ipv4/xfrm4_protocol.c +++ b/net/ipv4/xfrm4_protocol.c @@ -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); -- cgit v1.2.3-59-g8ed1b