ipsec: fast path outbound policy matching implementation for ipv6

[vpp.git] / src / vnet / ipsec / ipsec.h

diff --git a/src/vnet/ipsec/ipsec.h b/src/vnet/ipsec/ipsec.h
index 38feaed..fc7b6cd 100644 (file)
--- a/src/vnet/ipsec/ipsec.h
+++ b/src/vnet/ipsec/ipsec.h
@@ -36,7 +36,7 @@ typedef clib_error_t *(*enable_disable_cb_t) (int is_enable);
 
 typedef struct
 {
-  u64 key[2];
+  u64 key[2]; // 16 bytes
   u64 value;
   i32 bucket_lock;
   u32 un_used;
@@ -54,6 +54,18 @@ typedef union
   ipsec4_hash_kv_16_8_t kv_16_8;
 } ipsec4_spd_5tuple_t;
 
+typedef union
+{
+  struct
+  {
+    ip4_address_t ip4_src_addr;
+    ip4_address_t ip4_dest_addr;
+    ipsec_spd_policy_type_t policy_type;
+    u8 pad[4];
+  }; // 16 bytes total
+  ipsec4_hash_kv_16_8_t kv_16_8;
+} ipsec4_inbound_spd_tuple_t;
+
 typedef struct
 {
   u8 *name;
@@ -132,11 +144,20 @@ typedef struct
   /* pool of policies */
   ipsec_policy_t *policies;
 
+  u32 ipv4_fp_spd_is_enabled;
+  u32 ipv6_fp_spd_is_enabled;
+
+  ipsec_fp_mask_type_entry_t *fp_mask_types;
+  u32 fp_lookup_hash_buckets; /* number of buckets should be power of two */
+
   /* hash tables of UDP port registrations */
   uword *udp_port_registrations;
 
   uword *tunnel_index_by_key;
 
+  /* next_header protocol registration */
+  u16 *next_header_registrations;
+
   /* convenience */
   vlib_main_t *vlib_main;
   vnet_main_t *vnet_main;
@@ -151,6 +172,7 @@ typedef struct
   uword *ipsec_if_by_sw_if_index;
 
   ipsec4_hash_kv_16_8_t *ipsec4_out_spd_hash_tbl;
+  ipsec4_hash_kv_16_8_t *ipsec4_in_spd_hash_tbl;
   clib_bihash_8_16_t tun4_protect_by_key;
   clib_bihash_24_16_t tun6_protect_by_key;
 
@@ -223,9 +245,15 @@ typedef struct
   u32 ipsec4_out_spd_hash_num_buckets;
   u32 ipsec4_out_spd_flow_cache_entries;
   u32 epoch_count;
+  u8 output_flow_cache_flag;
+
+  u32 ipsec4_in_spd_hash_num_buckets;
+  u32 ipsec4_in_spd_flow_cache_entries;
+  u32 input_epoch_count;
+  u8 input_flow_cache_flag;
+
   u8 async_mode;
   u16 msg_id_base;
-  u8 flow_cache_flag;
 } ipsec_main_t;
 
 typedef enum ipsec_format_flags_t_
@@ -339,6 +367,10 @@ void ipsec_set_async_mode (u32 is_enabled);
 extern void ipsec_register_udp_port (u16 udp_port);
 extern void ipsec_unregister_udp_port (u16 udp_port);
 
+extern clib_error_t *ipsec_register_next_header (vlib_main_t *vm,
+                                                u8 next_header,
+                                                const char *next_node);
+
 #endif /* __IPSEC_H__ */
 
 /*