nat: Final NAT44 EI/ED split patch

[vpp.git] / src / plugins / nat / nat_affinity.h

diff --git a/src/plugins/nat/nat_affinity.h b/src/plugins/nat/nat_affinity.h
deleted file mode 100644 (file)
index d6bda6a..0000000
--- a/src/plugins/nat/nat_affinity.h
+++ /dev/null
@@ -1,152 +0,0 @@
-/*
- * Copyright (c) 2018 Cisco and/or its affiliates.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-/**
- * @file
- * @brief NAT plugin client-IP based session affinity for load-balancing
- */
-
-#ifndef __included_nat_affinity_h__
-#define __included_nat_affinity_h__
-
-#include <vnet/ip/ip.h>
-#include <vppinfra/bihash_16_8.h>
-#include <vppinfra/dlist.h>
-
-typedef struct
-{
-  union
-  {
-    struct
-    {
-      ip4_address_t service_addr;
-      ip4_address_t client_addr;
-      /* align by making this 4 octets even though its a 1 octet field */
-      u32 proto;
-      /* align by making this 4 octets even though its a 2 octets field */
-      u32 service_port;
-    };
-    u64 as_u64[2];
-  };
-} nat_affinity_key_t;
-
-/* *INDENT-OFF* */
-typedef CLIB_PACKED(struct
-{
-  nat_affinity_key_t key;
-  u32 sticky_time;
-  u32 ref_cnt;
-  u32 per_service_index;
-  u8 backend_index;
-  f64 expire;
-}) nat_affinity_t;
-/* *INDENT-ON* */
-
-typedef struct
-{
-  nat_affinity_t *affinity_pool;
-  clib_bihash_16_8_t affinity_hash;
-  clib_spinlock_t affinity_lock;
-  dlist_elt_t *list_pool;
-  vlib_main_t *vlib_main;
-} nat_affinity_main_t;
-
-extern nat_affinity_main_t nat_affinity_main;
-
-/**
- * @brief Get new affinity per service list head index.
- *
- * @returns new affinity per service list head index.
- */
-u32 nat_affinity_get_per_service_list_head_index (void);
-
-/**
- * @brief Flush all service affinity data.
- *
- * @param affinity_per_service_list_head_index Per sevice list head index.
- */
-void nat_affinity_flush_service (u32 affinity_per_service_list_head_index);
-
-/**
- * @brief NAT affinity enable
- */
-void nat_affinity_enable ();
-
-/**
- * @brief NAT affinity disable
- */
-void nat_affinity_disable ();
-
-/**
- * @brief Initialize NAT client-IP based affinity.
- *
- * @param vm vlib main.
- *
- * @return error code.
- */
-clib_error_t *nat_affinity_init (vlib_main_t * vm);
-
-/**
- * @brief Find service backend index for client-IP and take a reference
- *  counting lock.
- *
- * @param client_addr Client IP address.
- * @param service_addr Service IP address.
- * @param proto IP protocol number.
- * @param service_port Service L4 port number.
- * @param backend_index Service backend index for client-IP if found.
- *
- * @return 0 on success, non-zero value otherwise.
- */
-int nat_affinity_find_and_lock (ip4_address_t client_addr,
-                               ip4_address_t service_addr, u8 proto,
-                               u16 service_port, u8 * backend_index);
-
-/**
- * @brief Create affinity record and take reference counting lock.
- * @param client_addr Client IP address.
- * @param service_addr Service IP address.
- * @param proto IP protocol number.
- * @param service_port Service L4 port number.
- * @param backend_index Service backend index for client-IP.
- * @param sticky_time Affinity sticky time in seconds.
- * @param affinity_per_service_list_head_index Per sevice list head index.
- *
- * @return 0 on success, non-zero value otherwise.
- */
-int nat_affinity_create_and_lock (ip4_address_t client_addr,
-                                 ip4_address_t service_addr, u8 proto,
-                                 u16 service_port, u8 backend_index,
-                                 u32 sticky_time,
-                                 u32 affinity_per_service_list_head_index);
-/**
- * @brief Release a reference counting lock for affinity.
- *
- * @param client_addr Client IP address.
- * @param service_addr Service IP address.
- * @param proto IP protocol number.
- */
-void nat_affinity_unlock (ip4_address_t client_addr,
-                         ip4_address_t service_addr, u8 proto,
-                         u16 service_port);
-
-#endif /* __included_nat_affinity_h__ */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */