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Diffstat (limited to 'include/net/xfrm.h')
-rw-r--r--include/net/xfrm.h28
1 files changed, 22 insertions, 6 deletions
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 9e3dc7b81a4d..159342f3e72b 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -222,6 +222,8 @@ struct xfrm_state {
struct xfrm_mode *inner_mode_iaf;
struct xfrm_mode *outer_mode;
+ const struct xfrm_type_offload *type_offload;
+
/* Security context */
struct xfrm_sec_ctx *security;
@@ -314,12 +316,14 @@ void km_state_expired(struct xfrm_state *x, int hard, u32 portid);
int __xfrm_state_delete(struct xfrm_state *x);
struct xfrm_state_afinfo {
- unsigned int family;
- unsigned int proto;
- __be16 eth_proto;
- struct module *owner;
- const struct xfrm_type *type_map[IPPROTO_MAX];
- struct xfrm_mode *mode_map[XFRM_MODE_MAX];
+ unsigned int family;
+ unsigned int proto;
+ __be16 eth_proto;
+ struct module *owner;
+ const struct xfrm_type *type_map[IPPROTO_MAX];
+ const struct xfrm_type_offload *type_offload_map[IPPROTO_MAX];
+ struct xfrm_mode *mode_map[XFRM_MODE_MAX];
+
int (*init_flags)(struct xfrm_state *x);
void (*init_tempsel)(struct xfrm_selector *sel,
const struct flowi *fl);
@@ -380,6 +384,18 @@ struct xfrm_type {
int xfrm_register_type(const struct xfrm_type *type, unsigned short family);
int xfrm_unregister_type(const struct xfrm_type *type, unsigned short family);
+struct xfrm_type_offload {
+ char *description;
+ struct module *owner;
+ u8 proto;
+ void (*encap)(struct xfrm_state *, struct sk_buff *pskb);
+ int (*input_tail)(struct xfrm_state *x, struct sk_buff *skb);
+ int (*xmit)(struct xfrm_state *, struct sk_buff *pskb, netdev_features_t features);
+};
+
+int xfrm_register_type_offload(const struct xfrm_type_offload *type, unsigned short family);
+int xfrm_unregister_type_offload(const struct xfrm_type_offload *type, unsigned short family);
+
struct xfrm_mode {
/*
* Remove encapsulation header.