ipsec: introduce fast path ipv4 inbound matching

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

diff --git a/src/vnet/ipsec/ipsec_spd.h b/src/vnet/ipsec/ipsec_spd.h
index 854076e..3a4fd0e 100644 (file)
--- a/src/vnet/ipsec/ipsec_spd.h
+++ b/src/vnet/ipsec/ipsec_spd.h
@@ -15,25 +15,70 @@
 #ifndef __IPSEC_SPD_H__
 #define __IPSEC_SPD_H__
 
+#include <vppinfra/bihash_40_8.h>
+#include <vppinfra/bihash_16_8.h>
 #include <vlib/vlib.h>
 
-struct ipsec_policy_t_;
+#define foreach_ipsec_spd_policy_type                 \
+  _(IP4_OUTBOUND, "ip4-outbound")                     \
+  _(IP6_OUTBOUND, "ip6-outbound")                     \
+  _(IP4_INBOUND_PROTECT, "ip4-inbound-protect")       \
+  _(IP6_INBOUND_PROTECT, "ip6-inbound-protect")       \
+  _(IP4_INBOUND_BYPASS,  "ip4-inbound-bypass")        \
+  _(IP6_INBOUND_BYPASS,  "ip6-inbound-bypass")       \
+  _(IP4_INBOUND_DISCARD,  "ip4-inbound-discard")      \
+  _(IP6_INBOUND_DISCARD,  "ip6-inbound-discard")
+
+typedef enum ipsec_spd_policy_t_
+{
+#define _(s,v) IPSEC_SPD_POLICY_##s,
+  foreach_ipsec_spd_policy_type
+#undef _
+    IPSEC_SPD_POLICY_N_TYPES,
+} ipsec_spd_policy_type_t;
+
+#define FOR_EACH_IPSEC_SPD_POLICY_TYPE(_t)      \
+  for (_t = 0; _t < IPSEC_SPD_POLICY_N_TYPES; _t++)
+
+extern u8 *format_ipsec_policy_type (u8 * s, va_list * args);
+
+typedef struct
+{
+  /* index in the mask types pool */
+  u32 mask_type_idx;
+  /* counts references correspond to given mask type index */
+  u32 refcount;
+} ipsec_fp_mask_id_t;
 
 /**
- * @brief A Secruity Policy Database
+ * @brief A fast path Security Policy Database
  */
-typedef struct ipsec_spd_t_
+typedef struct
 {
+  /** vectors for each of the fast path policy types */
+  u32 *fp_policies[IPSEC_SPD_POLICY_N_TYPES];
+  ipsec_fp_mask_id_t *fp_mask_ids[IPSEC_SPD_POLICY_N_TYPES];
+  /* names of bihash tables */
+  u8 *name4_out;
+  u8 *name4_in;
+  u8 *name6_out;
+  u8 *name6_in;
+  u32 ip6_out_lookup_hash_idx; /* fp ip6 lookup hash out index in the pool */
+  u32 ip4_out_lookup_hash_idx; /* fp ip4 lookup hash out index in the pool */
+  u32 ip6_in_lookup_hash_idx;  /* fp ip6 lookup hash in index in the pool */
+  u32 ip4_in_lookup_hash_idx;  /* fp ip4 lookup hash in index in the pool */
+} ipsec_spd_fp_t;
+
+/**
+ * @brief A Security Policy Database
+ */
+typedef struct
+{
+  /** the User's ID for this policy */
   u32 id;
-  /* pool of policies */
-  struct ipsec_policy_t_ *policies;
-  /* vectors of policy indices */
-  u32 *ipv4_outbound_policies;
-  u32 *ipv6_outbound_policies;
-  u32 *ipv4_inbound_protect_policy_indices;
-  u32 *ipv4_inbound_policy_discard_and_bypass_indices;
-  u32 *ipv6_inbound_protect_policy_indices;
-  u32 *ipv6_inbound_policy_discard_and_bypass_indices;
+  /** vectors for each of the policy types */
+  u32 *policies[IPSEC_SPD_POLICY_N_TYPES];
+  ipsec_spd_fp_t fp_spd;
 } ipsec_spd_t;
 
 /**
@@ -47,6 +92,11 @@ extern int ipsec_add_del_spd (vlib_main_t * vm, u32 spd_id, int is_add);
 extern int ipsec_set_interface_spd (vlib_main_t * vm,
                                    u32 sw_if_index, u32 spd_id, int is_add);
 
+extern u8 *format_ipsec_spd (u8 * s, va_list * args);
+
+extern u8 *format_ipsec_out_spd_flow_cache (u8 *s, va_list *args);
+extern u8 *format_ipsec_in_spd_flow_cache (u8 *s, va_list *args);
+
 #endif /* __IPSEC_SPD_H__ */
 
 /*