Plugins: Clean up the plugin directory so that each plugin has its own

directory and GNU autotools setup.

Change-Id: I6c59d1297389c9413db0c0b9bdf3b759080bf1b8
Signed-off-by: Ole Troan <ot@cisco.com>

1 files changed, 121 insertions, 0 deletions

diff --git a/plugins/vcgn-plugin/vcgn/cnat_va_db.h b/plugins/vcgn-plugin/vcgn/cnat_va_db.h
new file mode 100644
index 00000000000..6e0051b46f7
--- /dev/null
+++ b/plugins/vcgn-plugin/vcgn/cnat_va_db.h
@@ -0,0 +1,121 @@
+/*
+ *------------------------------------------------------------------
+ * 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__ */
+
+