patches/ask/upstream/kernel/0078-include__net__xfrm.h.patch
raw ยท 2077 bytes
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 0a14daa..ff8a1ad 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -196,6 +196,12 @@ struct xfrm_state {
struct hlist_node bysrc;
};
struct hlist_node byspi;
+#if defined(CONFIG_INET_IPSEC_OFFLOAD) || defined(CONFIG_INET6_IPSEC_OFFLOAD)
+ struct hlist_node byh;
+ u16 handle;
+ u16 in_byh_hash;
+ u16 parent_sa_handle; /* handle of the old SA from which this SA is created using rekey */
+#endif
struct hlist_node byseq;
struct hlist_node state_cache;
struct hlist_node state_cache_input;
@@ -314,6 +320,11 @@ struct xfrm_state {
/* Private data of this transformer, format is opaque,
* interpreted by xfrm_type methods. */
void *data;
+#if defined(CONFIG_INET_IPSEC_OFFLOAD) || defined(CONFIG_INET6_IPSEC_OFFLOAD)
+ /* Intended direction of this state, used for offloading */
+ int offloaded;
+ u64 curr_time;
+#endif
u8 dir;
const struct xfrm_mode_cbs *mode_cbs;
@@ -337,6 +348,13 @@ enum {
XFRM_STATE_EXPIRED,
XFRM_STATE_DEAD
};
+#if defined(CONFIG_INET_IPSEC_OFFLOAD) || defined(CONFIG_INET6_IPSEC_OFFLOAD)
+enum {
+ XFRM_STATE_DIR_UNKNOWN,
+ XFRM_STATE_DIR_IN,
+ XFRM_STATE_DIR_OUT,
+};
+#endif
/* callback structure passed from either netlink or pfkey */
struct km_event {
@@ -1173,6 +1191,32 @@ struct sec_path {
struct sec_path *secpath_set(struct sk_buff *skb);
+#if defined(CONFIG_INET_IPSEC_OFFLOAD) || defined(CONFIG_INET6_IPSEC_OFFLOAD)
+struct xfrm_input_shared {
+ struct sk_buff *skb;
+ int xfrm_nr, first, xfrm_encap;
+ struct xfrm_state *xfrm_vec[XFRM_MAX_DEPTH];
+ __u16 encap_type;
+ int decaps;
+ u32 seq, spi;
+ unsigned int nhoff;
+ int nexthdr;
+ int (*callback)(struct xfrm_input_shared *sh);
+ atomic_t refcnt;
+};
+
+static inline void xfrm_shared_get(struct xfrm_input_shared *sh)
+{
+ atomic_inc(&sh->refcnt);
+}
+
+static inline void xfrm_shared_put(struct xfrm_input_shared *sh)
+{
+ if (atomic_dec_and_test(&sh->refcnt))
+ kfree(sh);
+}
+#endif
+
static inline void
secpath_reset(struct sk_buff *skb)
{