diff options
Diffstat (limited to 'plugins/vcgn-plugin/vcgn/cnat_va_db.h')
| -rw-r--r-- | plugins/vcgn-plugin/vcgn/cnat_va_db.h | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/plugins/vcgn-plugin/vcgn/cnat_va_db.h b/plugins/vcgn-plugin/vcgn/cnat_va_db.h deleted file mode 100644 index 6e0051b4..00000000 --- a/plugins/vcgn-plugin/vcgn/cnat_va_db.h +++ /dev/null @@ -1,121 +0,0 @@ -/* - *------------------------------------------------------------------ - * cnat_va_db.h - definition for virtual assembly database - * - * Copyright (c) 2013 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. - *------------------------------------------------------------------ - */ - -#ifndef __CNAT_VA_DB_H__ -#define __CNAT_VA_DB_H__ - -#include <clib_lite.h> - -#define FRAG_DEBUG 1 - -/* virtual assemble hash database size ~ 16B x 64K = 1MB */ - -#define VA_TOTAL_ENTRIES (64*1024) -#define VA_ENTRY_PER_BUCKET (8) /* make sure size is power of 2 for circular FIFO */ -#define VA_BUCKET_MASK (VA_ENTRY_PER_BUCKET -1) -#define VA_BUCKETS (VA_TOTAL_ENTRIES / VA_ENTRY_PER_BUCKET) -#define VA_KEY_SIZE 12 - -typedef struct _va_entry { - /* key: top 12 bytes */ - u32 src_ip; - u32 dst_ip; - u16 vrf; /* overloaded with protocol info with top two bits */ - u16 ip_id; - - /* values */ - u16 src_port; - u16 dst_port; -} va_entry_t; - -typedef struct _va_keys { - u64 key64; /* src & dst IP */ - u32 key32; /* vrf, protocol and ip_id */ -} va_keys; - -typedef union { - va_entry_t e; - va_keys k; -} va_lookup_key; - -typedef struct _va_bucket_t { - u32 head_entry; - u32 next_available_entry; /* ~0 for empty bucket */ - u32 new_entry_counter; /* for debug purpose */ - va_entry_t va_entry[VA_ENTRY_PER_BUCKET]; -} va_bucket_t; - -extern va_bucket_t va_bucket[]; /* hash table in cnat_va_db.c */ - -void va_bucket_init (); - -inline void va_db_add_new_entry (u32 bucket_index, va_lookup_key * ); -inline int va_db_delete_entry (u32 bucket_index, va_lookup_key * ); -inline va_entry_t * va_db_lookup (u32 bucket_index, va_lookup_key * key); - -#ifdef FRAG_DEBUG - -#define FRAG_DEBUG_PRINTF1(a) \ - if (frag_debug_flag) { \ - PLATFORM_DEBUG_PRINT(a); \ - } - -#define FRAG_DEBUG_PRINTF2(a, b) \ - if (frag_debug_flag) { \ - PLATFORM_DEBUG_PRINT(a, b); \ - } - -#define FRAG_DEBUG_PRINTF3(a, b, c) \ - if (frag_debug_flag) { \ - PLATFORM_DEBUG_PRINT(a, b, c); \ - } - -#define FRAG_DEBUG_PRINTF4(a, b, c, d) \ - if (frag_debug_flag) { \ - PLATFORM_DEBUG_PRINT(a, b, c, d); \ - } - -#define FRAG_DEBUG_PRINTF5(a, b, c, d, e) \ - if (frag_debug_flag) { \ - PLATFORM_DEBUG_PRINT(a, b, c, d, e); \ - } - -#define FRAG_DEBUG_PRINTF6(a, b, c, d, e, f) \ - if (frag_debug_flag) { \ - PLATFORM_DEBUG_PRINT(a, b, c, d, e, f); \ - } -#else - -#define FRAG_DEBUG_PRINTF1(a) - -#define FRAG_DEBUG_PRINTF2(a, b) - -#define FRAG_DEBUG_PRINTF3(a, b, c) - -#define FRAG_DEBUG_PRINTF4(a, b, c, d) - -#define FRAG_DEBUG_PRINTF5(a, b, c, d, e) - -#define FRAG_DEBUG_PRINTF6(a, b, c, d, e, f) - -#endif - -#endif /* __CNAT_VA_DB_H__ */ - - |