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-rw-r--r--VNFs/DPPD-PROX/dpi/Makefile18
-rw-r--r--VNFs/DPPD-PROX/dpi/dpi.h76
-rw-r--r--VNFs/DPPD-PROX/dpi/dpi_stub.c57
3 files changed, 151 insertions, 0 deletions
diff --git a/VNFs/DPPD-PROX/dpi/Makefile b/VNFs/DPPD-PROX/dpi/Makefile
new file mode 100644
index 00000000..fc943580
--- /dev/null
+++ b/VNFs/DPPD-PROX/dpi/Makefile
@@ -0,0 +1,18 @@
+##
+## Copyright (c) 2010-2017 Intel Corporation
+##
+## 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.
+##
+
+all:
+ gcc -fpic -shared dpi_stub.c -o dpi_stub.so
diff --git a/VNFs/DPPD-PROX/dpi/dpi.h b/VNFs/DPPD-PROX/dpi/dpi.h
new file mode 100644
index 00000000..5ce1015d
--- /dev/null
+++ b/VNFs/DPPD-PROX/dpi/dpi.h
@@ -0,0 +1,76 @@
+/*
+// Copyright (c) 2010-2017 Intel Corporation
+//
+// 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 _DPI_H_
+#define _DPI_H_
+
+#include <sys/time.h>
+#include <inttypes.h>
+#include <stddef.h>
+
+struct flow_info {
+ uint32_t ip_src;
+ uint32_t ip_dst;
+ uint8_t ip_proto;
+ uint16_t port_src;
+ uint16_t port_dst;
+ uint8_t reservered[3];
+} __attribute__((packed));
+
+struct dpi_payload {
+ uint8_t *payload;
+ uint16_t len;
+ uint16_t client_to_server;
+ struct timeval tv;
+};
+
+struct dpi_engine {
+ /* Returns 0 on success, This function is called from an
+ arbitrary thread before any other function in this struct
+ is called. */
+ int (*dpi_init)(uint32_t thread_count, int argc, const char *argv[]);
+ /* Return the size that should be allocated in the flow
+ table. It is the sizeof(*flow_data) passed to
+ dpi_process(). */
+ size_t (*dpi_get_flow_entry_size)(void);
+ /* Called before the flow entry is expired. */
+ void (*dpi_flow_expire)(void *flow_data);
+ /* start function called from a DPI thread itself. The opaque
+ pointer returned here will be passed to dpi_thread_stop and
+ dpi_process. */
+ void *(*dpi_thread_start)(void);
+ /* Stop function called from a DPI thread itself. */
+ void (*dpi_thread_stop)(void *opaque);
+ /* Processing function to perform actual DPI work. struct
+ flow_info contains the 5 tuple, flow_data is the entry in
+ the flow table which has a size specified by
+ dpi_get_flow_entry_size(). The payload (together with the
+ time and the direction) is passed through the payload
+ parameter. DPI results are returned by the results
+ array. The function returns 0 on success. */
+ int (*dpi_process)(void *opaque, struct flow_info *fi, void *flow_data,
+ struct dpi_payload *payload, uint32_t results[],
+ size_t *result_len);
+ /* Called once at cleanup. */
+ void (*dpi_finish)(void);
+ /* Function used for printing. */
+ int (*dpi_print)(const char *fmt, ...);
+};
+
+/* Returns the implementation of a dpi_engine. */
+struct dpi_engine *get_dpi_engine(void);
+
+#endif /* _DPI_H_ */
diff --git a/VNFs/DPPD-PROX/dpi/dpi_stub.c b/VNFs/DPPD-PROX/dpi/dpi_stub.c
new file mode 100644
index 00000000..8febbcb9
--- /dev/null
+++ b/VNFs/DPPD-PROX/dpi/dpi_stub.c
@@ -0,0 +1,57 @@
+/*
+// Copyright (c) 2010-2017 Intel Corporation
+//
+// 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 "dpi.h"
+
+/* The following functions are not a real implementation of a
+ DPI. They serve only to create dpi_stub.so which can be loaded into
+ prox. */
+
+static int dpi_init(uint32_t thread_count, int argc, const char *argv[])
+{
+ return 0;
+}
+
+size_t dpi_get_flow_entry_size(void) {return 0;}
+void flow_data_dpi_flow_expire(void *flow_data) {}
+void *dpi_thread_start() {return NULL;}
+void dpi_thread_stop(void *opaque) {}
+void dpi_finish(void) {}
+
+int dpi_process(void *opaque, struct flow_info *fi, void *flow_data,
+ struct dpi_payload *payload, uint32_t results[],
+ size_t *result_len)
+{
+ return 0;
+}
+
+static struct dpi_engine dpi_engine = {
+ .dpi_init = dpi_init,
+ .dpi_get_flow_entry_size = dpi_get_flow_entry_size,
+ .dpi_flow_expire = flow_data_dpi_flow_expire,
+ .dpi_thread_start = dpi_thread_start,
+ .dpi_thread_stop = dpi_thread_stop,
+ .dpi_process = dpi_process,
+ .dpi_finish = dpi_finish,
+ .dpi_print = printf,
+};
+
+struct dpi_engine *get_dpi_engine(void)
+{
+ return &dpi_engine;
+}