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-rw-r--r--plugins/vcgn-plugin/vcgn/cnat_va_db.c286
1 files changed, 0 insertions, 286 deletions
diff --git a/plugins/vcgn-plugin/vcgn/cnat_va_db.c b/plugins/vcgn-plugin/vcgn/cnat_va_db.c
deleted file mode 100644
index 7423bdf2de2..00000000000
--- a/plugins/vcgn-plugin/vcgn/cnat_va_db.c
+++ /dev/null
@@ -1,286 +0,0 @@
-/*
- *------------------------------------------------------------------
- * cnat_va_db.c - virtual assembly database
- *
- * Copyright (c) 2009, 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.
- *------------------------------------------------------------------
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <cnat_va_db.h>
-#include <format.h>
-#include <spp_node.h>
-#include <spp_alloc.h>
-#include <spp_byteorder.h>
-#include <spp_main.h>
-#include <spp_cache.h>
-#include <spp_interface.h>
-#include <spp_api.h>
-#include <spp_client_api.h>
-#include <spp_timers.h>
-#include <cnat_db.h>
-#include <spp_plugin.h>
-#include <cnat_v4_functions.h>
-
-
-va_bucket_t va_bucket[VA_BUCKETS];
-
-void va_bucket_init () {
-
- u32 i;
-
- /*
- * set the pointer in each bucket
- * points to nowhere
- */
- for (i=0; i<VA_BUCKETS; i++) {
- va_bucket[i].next_available_entry = ~0;
- }
-
-}
-
-inline void va_db_add_new_entry (u32 bucket_index,
- va_lookup_key * key )
-{
-
- va_entry_t * entry_p;
- u32 head, next;
-
- entry_p = va_db_lookup(bucket_index, key);
-
- if (PREDICT_FALSE(entry_p)) {
- FRAG_DEBUG_PRINTF6(
- "\nVA_ADD_NEW: Bucket %d fnd Existng entry [%d, %d] -> [%d, %d]\n",
- bucket_index, entry_p->src_port,
- entry_p->dst_port, key->e.src_port, key->e.dst_port)
-
- /* found match entry, update it */
- entry_p->src_port = key->e.src_port;
- entry_p->dst_port = key->e.dst_port;
-
- FRAG_DEBUG_PRINTF3("VA_ADD_NEW: Existing bucket %d, counter %d\n",
- bucket_index,
- va_bucket[bucket_index].new_entry_counter)
-
- } else {
-
- /* no match, add a new one */
- head = va_bucket[bucket_index].head_entry;
- next = va_bucket[bucket_index].next_available_entry;
-
- FRAG_DEBUG_PRINTF5(
- "\nVA_ADD_NEW: Filling bucket %d, index %d with key 0x%llx %x\n",
- bucket_index, next, key->k.key64, key->k.key32)
-
- va_bucket[bucket_index].va_entry[next] = key->e;
-
- /* increase next pointer */
- va_bucket[bucket_index].next_available_entry = (next+1) & VA_BUCKET_MASK;
-
- if (PREDICT_FALSE(head == va_bucket[bucket_index].next_available_entry)) {
- /* adjust head circular pointer */
- va_bucket[bucket_index].head_entry = (head+1) & VA_BUCKET_MASK;
- }
-
- va_bucket[bucket_index].new_entry_counter++;
-
- FRAG_DEBUG_PRINTF4(
- "VA_ADD_NEW: NEW bucket %d, entry %d counter %d\n",
- bucket_index, next, va_bucket[bucket_index].new_entry_counter)
- }
-}
-
-
-/*
- * use the key,
- * return pointer to the entry if found,
- * NULL if not
- */
-
-inline
-va_entry_t * va_db_lookup (u32 bucket_index, va_lookup_key * key)
-{
-
- u32 index, next;
- va_entry_t * entry_p;
- va_bucket_t * bucket;
-
- bucket = &va_bucket[bucket_index];
- index = bucket->head_entry;
- next = bucket->next_available_entry;
- entry_p = NULL;
-
- FRAG_DEBUG_PRINTF4(
- "\nVA_DB_LOOKUP: bucket index %d head %d next %d\n",
- bucket_index, index, next)
-
- /* loop through the entries in the bucket */
- while( index != next) {
-
- if(PREDICT_TRUE(memcmp(&bucket->va_entry[index], key, VA_KEY_SIZE)==0)) {
-
- entry_p = &bucket->va_entry[index];
- /*In add frag entry function we are again assigning key's src
- port to entry_p's src port. So when a main DB entry is deleted/
- timed out, and again another entry is created for the same
- src ip and src port pair, the frag's entry_p will have the
- previous port info stored and not updated. Hence the below
- line is not required*/
-
- /* *(u32*)&key->e.src_port = *(u32*)&entry_p->src_port; */
- /* do two ports as u32 :) */
-
- break;
- }
-
- index = (index +1) & VA_BUCKET_MASK;
-
- }
-
-#ifdef FRAG_DEBUG
- if (PREDICT_TRUE(entry_p)) {
- FRAG_DEBUG_PRINTF3("VA_DB_LOOKUP: bucket index %d entry index %d\n",
- bucket_index, index)
- FRAG_DEBUG_PRINTF5("VA_DB_LOOKUP: SRC-->DST [0x%x, %d] [0x%x, %d]\n",
- entry_p->src_ip, entry_p->src_port,
- entry_p->dst_ip, entry_p->dst_port)
- FRAG_DEBUG_PRINTF3("[vrf 0x%x, id 0x%x]\n",
- entry_p->vrf, entry_p->ip_id)
- } else {
- FRAG_DEBUG_PRINTF1("\nNULL ENTRY\n")
- }
-#endif
-
- return entry_p;
-
-}
-
-inline
-int va_db_delete_entry (u32 bucket_index, va_lookup_key * key)
-{
-
- u32 index, next;
- int entry_found = 0;
- va_bucket_t * bucket;
-
- bucket = &va_bucket[bucket_index];
- index = bucket->head_entry;
- next = bucket->next_available_entry;
-
- FRAG_DEBUG_PRINTF4(
- "\nVA_DB_DELETE_ENTRY: bucket index %d head %d next %d\n",
- bucket_index, index, next);
-
- /* loop through the entries in the bucket */
- while( index != next) {
- if(PREDICT_TRUE(memcmp(&bucket->va_entry[index], key,
- VA_KEY_SIZE)==0)) {
- /* Clear the entry */
- FRAG_DEBUG_PRINTF1("Entry found in delete API");
- memset(&bucket->va_entry[index], 0, sizeof(va_entry_t));
- entry_found = 1;
- break;
- }
- index = (index +1) & VA_BUCKET_MASK;
- }
- return entry_found;
-}
-
-
-
-void cnat_va_bucket_used (int argc, unsigned long * argv)
-{
-
- u32 i, sum = 0;;
-
- for(i=0;i<VA_BUCKETS;i++) {
-
- if(PREDICT_TRUE(va_bucket[i].new_entry_counter)) sum++;
-
- }
-
- if (PREDICT_FALSE(!sum)) {
- printf("no bucket in use\n");
- return;
- }
-
- printf("index head next counter (%d bucket in use)\n", sum);
-
- for(i=0;i<VA_BUCKETS;i++) {
-
- if (PREDICT_FALSE(!va_bucket[i].new_entry_counter)) continue;
-
- printf(" %04d %04d %04d %d\n", i,
- va_bucket[i].head_entry,
- va_bucket[i].next_available_entry,
- va_bucket[i].new_entry_counter);
-
- }
-}
-
-void cnat_va_dump (int argc, unsigned long * argv)
-{
-
- u32 i, sum, index ;
-
- PLATFORM_DEBUG_PRINT("====== SUMMARY ======\n");
- PLATFORM_DEBUG_PRINT("Total buckets: %d\n", VA_BUCKETS);
- PLATFORM_DEBUG_PRINT("Entries per bucket: %d\n", VA_ENTRY_PER_BUCKET);
-
- sum = 0;
-
- for(i=0; i<VA_BUCKETS; i++) {
- if (PREDICT_TRUE(va_bucket[i].new_entry_counter > 0)) sum ++;
- }
-
- PLATFORM_DEBUG_PRINT("buckets in use: %d\n", sum);
-
- sum = 0;
- for(i=0; i<VA_BUCKETS; i++) {
-
- if ( PREDICT_FALSE(((va_bucket[i].next_available_entry+1) & VA_BUCKET_MASK)
- == va_bucket[i].head_entry)) {
-
- sum ++;
- }
- }
-
- PLATFORM_DEBUG_PRINT("bucket full: %d\n", sum);
-
- /* dump per bucket info */
-
- if (argc == 0 ) return;
-
- index = (u32) argv[0];
-
- if (PREDICT_FALSE(index >= VA_BUCKETS)) {
- PLATFORM_DEBUG_PRINT("invalid bucket index %d\n", index);
- return;
- }
-
- PLATFORM_DEBUG_PRINT("\n====== Bucket %d ======\n", index);
-
- PLATFORM_DEBUG_PRINT("bucket head index %d\n", va_bucket[index].head_entry);
-
- PLATFORM_DEBUG_PRINT("bucket next index %d\n", va_bucket[index].next_available_entry);
-
- PLATFORM_DEBUG_PRINT(" source IP dest IP VRF ip-id srcP dstP\n");
-
- for(i=0;i<VA_ENTRY_PER_BUCKET;i++) {
- hex_dump((u8*)&va_bucket[index].va_entry[i], sizeof(va_entry_t));
- }
-
-}