REST_API: rest api client implementation

JIRA: SAMPLEVNF-78

This patch implements rest api's for VNF clients. This
comprises of
        * vnf api's for common functionality
        * vnf api's for CGNAPT
        * vnf api's for VFW

Change-Id: I56d22c64bf3ee5b0a2e536da8169ac7583499041
Signed-off-by: Vishwesh M Rudramuni <vishwesh.m.rudramuni@intel.com>

20 files changed, 1409 insertions, 213 deletions

diff --git a/VNFs/UDP_Replay/main.c b/VNFs/UDP_Replay/main.c
index 56513c1b..587057fc 100644
--- a/VNFs/UDP_Replay/main.c
+++ b/VNFs/UDP_Replay/main.c
@@ -201,6 +201,7 @@ cmdline_parse_ctx_t main_ctx[];
 uint32_t timer_lcore;
 uint32_t exit_loop = 1;
 port_config_t *port_config;
+
 #define MEMPOOL_SIZE	32 * 1024
 #define BUFFER_SIZE		2048
 #define CACHE_SIZE		256
@@ -437,160 +438,6 @@ app_link_down_internal(__rte_unused struct app_params *app, struct app_link_para
 	cp->state = 0;
 }
 
-/* int
- * inet_pton_ipv4(src, dst)
- *      like inet_aton() but without all the hexadecimal and shorthand.
- * return:
- *      1 if `src' is a valid dotted quad, else 0.
- * notice:
- *      does not touch `dst' unless it's returning 1.
- * author:
- *      Paul Vixie, 1996.
- */
-static int inet_pton_ipv4(const char *src, unsigned char *dst)
-{
-	static const char digits[] = "0123456789";
-	int saw_digit, octets, ch;
-	unsigned char tmp[INADDRSZ], *tp;
-	saw_digit = 0;
-	octets = 0;
-	*(tp = tmp) = 0;
-	while ((ch = *src++) != '\0') {
-		const char *pch;
-		if ((pch = strchr(digits, ch)) != NULL) {
-			unsigned int new = *tp * 10 + (pch - digits);
-			if (new > 255)
-				return 0;
-			if (!saw_digit) {
-				if (++octets > 4)
-					return 0;
-				saw_digit = 1;
-			}
-			*tp = (unsigned char)new;
-		} else if (ch == '.' && saw_digit) {
-			if (octets == 4)
-				return 0;
-			*++tp = 0;
-			saw_digit = 0;
-		} else
-			return 0;
-	}
-	if (octets < 4)
-		return 0;
-	memcpy(dst, tmp, INADDRSZ);
-	return 1;
-}
-
-/* int
- * inet_pton_ipv6(src, dst)
- *      convert presentation level address to network order binary form.
- * return:
- *      1 if `src' is a valid [RFC1884 2.2] address, else 0.
- * notice:
- *      (1) does not touch `dst' unless it's returning 1.
- *      (2) :: in a full address is silently ignored.
- * credit:
- *      inspired by Mark Andrews.
- * author:
- *      Paul Vixie, 1996.
- */
-static int inet_pton_ipv6(const char *src, unsigned char *dst)
-{
-	static const char xdigits_l[] = "0123456789abcdef",
-	    xdigits_u[] = "0123456789ABCDEF";
-	unsigned char tmp[IN6ADDRSZ], *tp = 0, *endp = 0, *colonp = 0;
-	const char *xdigits = 0, *curtok = 0;
-	int ch = 0, saw_xdigit = 0, count_xdigit = 0;
-	unsigned int val = 0;
-	unsigned dbloct_count = 0;
-	memset((tp = tmp), '\0', IN6ADDRSZ);
-	endp = tp + IN6ADDRSZ;
-	colonp = NULL;
-	if (*src == ':')
-		if (*++src != ':')
-			return 0;
-	curtok = src;
-	saw_xdigit = count_xdigit = 0;
-	val = 0;
-	while ((ch = *src++) != '\0') {
-		const char *pch;
-		if ((pch = strchr((xdigits = xdigits_l), ch)) == NULL)
-			pch = strchr((xdigits = xdigits_u), ch);
-		if (pch != NULL) {
-			if (count_xdigit >= 4)
-				return 0;
-			val <<= 4;
-			val |= (pch - xdigits);
-			if (val > 0xffff)
-				return 0;
-			saw_xdigit = 1;
-			count_xdigit++;
-			continue;
-		}
-		if (ch == ':') {
-			curtok = src;
-			if (!saw_xdigit) {
-				if (colonp)
-					return 0;
-				colonp = tp;
-				continue;
-			} else if (*src == '\0') {
-				return 0;
-			}
-			if (tp + sizeof(int16_t) > endp)
-				return 0;
-			*tp++ = (unsigned char)((val >> 8) & 0xff);
-			*tp++ = (unsigned char)(val & 0xff);
-			saw_xdigit = 0;
-			count_xdigit = 0;
-			val = 0;
-			dbloct_count++;
-			continue;
-		}
-		if (ch == '.' && ((tp + INADDRSZ) <= endp) &&
-		    inet_pton_ipv4(curtok, tp) > 0) {
-			tp += INADDRSZ;
-			saw_xdigit = 0;
-			dbloct_count += 2;
-			break;	/* '\0' was seen by inet_pton4(). */
-		}
-		return 0;
-	}
-	if (saw_xdigit) {
-		if (tp + sizeof(int16_t) > endp)
-			return 0;
-		*tp++ = (unsigned char)((val >> 8) & 0xff);
-		*tp++ = (unsigned char)(val & 0xff);
-		dbloct_count++;
-	}
-	if (colonp != NULL) {
-		if (dbloct_count == 8)
-			return 0;
-		const int n = tp - colonp;
-		int i;
-		for (i = 1; i <= n; i++) {
-			endp[-i] = colonp[n - i];
-			colonp[n - i] = 0;
-		}
-		tp = endp;
-	}
-	if (tp != endp)
-		return 0;
-	memcpy(dst, tmp, IN6ADDRSZ);
-	return 1;
-}
-static int my_inet_pton_ipv6(int af, const char *src, void *dst)
-{
-	switch (af) {
-	case AF_INET:
-		return inet_pton_ipv4(src, dst);
-	case AF_INET6:
-		return inet_pton_ipv6(src, dst);
-	default:
-		errno = EAFNOSUPPORT;
-		return -1;
-	}
-}
 void convert_ipstr_to_numeric(void)
 {
 	uint32_t i;
diff --git a/VNFs/vACL/Makefile b/VNFs/vACL/Makefile
index bba5a6bc..0995f905 100644
--- a/VNFs/vACL/Makefile
+++ b/VNFs/vACL/Makefile
@@ -30,7 +30,6 @@ include $(RTE_SDK)/mk/rte.vars.mk
 # binary name
 APP = vACL
 
-
 VPATH += $(VNF_CORE)/common/vnf_common
 VPATH += $(VNF_CORE)/common/VIL/conntrack
 VPATH += $(VNF_CORE)/common/VIL/pipeline_common
@@ -54,7 +53,7 @@ INC += $(wildcard $(VNF_CORE)/common/VIL/pipeline_master/*.h)
 INC += $(wildcard $(VNF_CORE)/common/VIL/pipeline_passthrough/*.h)
 INC += $(wildcard $(VNF_CORE)/common/VIL/pipeline_txrx/*.h)
 INC += $(wildcard $(VNF_CORE)/common/VIL/l2l3_stack/*.h)
-INC += $(wildcard $(VNF_CORE)/common/VIL/gateway/*.h
+INC += $(wildcard $(VNF_CORE)/common/VIL/gateway/*.h)
 
 CFLAGS += -I$(SRCDIR) -mrtm -mhle -I$(SRCDIR)/pipeline -I$(VNF_CORE)/common/vnf_common
 CFLAGS += -I$(VNF_CORE)/common/VIL/l2l3_stack -I$(VNF_CORE)/common/VIL/conntrack
@@ -64,9 +63,16 @@ CFLAGS += -I$(VNF_CORE)/common/VIL/pipeline_txrx
 CFLAGS += -I$(VNF_CORE)/common/VIL/pipeline_arpicmp
 CFLAGS += -I$(VNF_CORE)/common/VIL/gateway
 
+TOP = $(RTE_SDK)/../civetweb
+CFLAGS += -I$(TOP)/include $(COPT) -DUSE_WEBSOCKET -DUSE_IPV6 -DUSE_SSL_DH=1
+CFLAGS += -DREST_API_SUPPORT
+LDFLAGS +=  -ljson -lcrypto -lssl
+LDFLAGS += -L$(RTE_SDK)/../civetweb/ -lcivetweb
+
 # all source are stored in SRCS-y
 SRCS-$(CONFIG_RTE_LIBRTE_PIPELINE) := main.c
 SRCS-$(CONFIG_RTE_LIBRTE_PIPELINE) += config_parse.c
+SRCS-$(CONFIG_RTE_LIBRTE_PIPELINE) += rest_api.c
 SRCS-$(CONFIG_RTE_LIBRTE_PIPELINE) += config_parse_tm.c
 SRCS-$(CONFIG_RTE_LIBRTE_PIPELINE) += config_check.c
 SRCS-$(CONFIG_RTE_LIBRTE_PIPELINE) += init.c
diff --git a/VNFs/vACL/main.c b/VNFs/vACL/main.c
index 9ebf6fc3..a6ba00b6 100644
--- a/VNFs/vACL/main.c
+++ b/VNFs/vACL/main.c
@@ -15,12 +15,14 @@
 */
 
 #include "app.h"
+#include "pipeline_acl.h"
 
 static struct app_params app;
 
 int
 main(int argc, char **argv)
 {
+	struct mg_context *ctx = NULL;
 	rte_openlog_stream(stderr);
 
 	/* Config */
@@ -28,6 +30,12 @@ main(int argc, char **argv)
 
 	app_config_args(&app, argc, argv);
 
+	if (is_rest_support()) {
+		/* initialize the rest api */
+		set_vnf_type("VACL");
+		ctx = rest_api_init(&app);
+	}
+
 	app_config_preproc(&app);
 
 	app_config_parse(&app, app.parser_file);
@@ -40,11 +48,21 @@ main(int argc, char **argv)
 	/* Init */
 	app_init(&app);
 
+	if (is_rest_support() && (ctx != NULL)) {
+		/* rest api's for cgnapt */
+		rest_api_acl_init(ctx, &app);
+	}
+
 	/* Run-time */
 	rte_eal_mp_remote_launch(
 		app_thread,
 		(void *) &app,
 		CALL_MASTER);
 
+	if (is_rest_support() && (ctx != NULL)) {
+		mg_stop(ctx);
+		printf("Civet server stopped.\n");
+	}
+
 	return 0;
 }
diff --git a/VNFs/vACL/pipeline/pipeline_acl.c b/VNFs/vACL/pipeline/pipeline_acl.c
index 1a4ed4f5..f1935622 100644
--- a/VNFs/vACL/pipeline/pipeline_acl.c
+++ b/VNFs/vACL/pipeline/pipeline_acl.c
@@ -49,6 +49,13 @@
 #include "pipeline_acl_be.h"
 #include "rte_cnxn_tracking.h"
 
+int acl_load_rules_handler(struct mg_connection *conn, __rte_unused void *cbdata);
+int acl_clear_rules_handler(struct mg_connection *conn, __rte_unused void *cbdata);
+int acl_rules_handler(struct mg_connection *conn, __rte_unused void *cbdata);
+uint32_t rules_loaded = 0;
+extern struct cmdline *pipe_cl;
+struct app_params *myapp;
+
 /**
  * A structure defining the ACL rule for the TAILQ Tables.
  */
@@ -4176,3 +4183,293 @@ struct pipeline_type pipeline_acl = {
 	.be_ops = &pipeline_acl_be_ops,
 	.fe_ops = &pipeline_acl_fe_ops,
 };
+
+void all_acl_stats(struct mg_connection *conn)
+{
+
+	struct app_params *app = myapp;
+	int i, j;
+	struct rte_ACL_counter_block acl_counter_sums;
+	struct rte_CT_counter_block ct_counter_sums;
+	struct rte_CT_counter_block *ct_counters;
+	struct action_counter_block action_counter_sum[action_array_max];
+
+	memset(&acl_counter_sums, 0, sizeof(acl_counter_sums));
+	memset(&ct_counter_sums, 0, sizeof(ct_counter_sums));
+
+        mg_printf(conn,
+                  "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\nConnection: "
+                  "close\r\n\r\n");
+        mg_printf(conn, "<html><body>");
+	mg_printf(conn, "ACL Stats\n");
+	for (i = 0; i <= rte_ACL_hi_counter_block_in_use; i++) {
+		struct rte_ACL_counter_block *acl_ctrs =
+		    &rte_acl_counter_table[i];
+		ct_counters = rte_acl_counter_table[i].ct_counters;
+		mg_printf(conn, "acl entry[%i] tpkts_processed: %" PRIu64
+		       ", pkts_drop: %" PRIu64 ", pkts_received: %" PRIu64
+		       ", bytes_processed: %" PRIu64 "\n", i,
+		       acl_ctrs->tpkts_processed, acl_ctrs->pkts_drop,
+		       acl_ctrs->pkts_received, acl_ctrs->bytes_processed);
+
+		acl_counter_sums.tpkts_processed += acl_ctrs->tpkts_processed;
+		acl_counter_sums.bytes_processed += acl_ctrs->bytes_processed;
+		acl_counter_sums.pkts_drop += acl_ctrs->pkts_drop;
+		acl_counter_sums.pkts_received += acl_ctrs->pkts_received;
+		ct_counter_sums.pkts_forwarded += ct_counters->pkts_forwarded;
+		ct_counter_sums.pkts_drop += ct_counters->pkts_drop;
+	}
+
+	mg_printf(conn, "ACL TOTAL: tpkts_processed: %" PRIu64 ", pkts_drop: %" PRIu64
+	       ", pkts_received: %" PRIu64 ", bytes_processed: %" PRIu64 "\n\n",
+	       acl_counter_sums.tpkts_processed,
+	       acl_counter_sums.pkts_drop,
+	       acl_counter_sums.pkts_received,
+	       acl_counter_sums.bytes_processed);
+
+	mg_printf(conn, "CT TOTAL: ct_packets_forwarded: %" PRIu64
+	       ", ct_packets_dropped: %" PRIu64 "\n\n",
+	       ct_counter_sums.pkts_forwarded, ct_counter_sums.pkts_drop);
+
+	for (i = 0; i <= rte_ACL_hi_counter_block_in_use; i++) {
+		for (j = 0; j < action_array_max; j++) {
+			if (action_array_active[j].action_bitmap &
+			    acl_action_count) {
+				action_counter_sum[j].packetCount +=
+				    action_counter_table[i][j].packetCount;
+				action_counter_sum[j].byteCount +=
+				    action_counter_table[i][j].byteCount;
+			}
+		}
+	}
+
+	for (j = 0; j < action_array_max; j++) {
+		if (action_array_active[j].action_bitmap & acl_action_count)
+			mg_printf(conn, "Action ID: %02u, packetCount: %" PRIu64
+			       ", byteCount: %" PRIu64 "\n", j,
+			       action_counter_sum[j].packetCount,
+			       action_counter_sum[j].byteCount);
+	}
+        mg_printf(conn, "<p>Command Passed</p>");
+        mg_printf(conn, "</body></html>\n");
+}
+
+int acl_stats_handler(struct mg_connection *conn, void *cbdata)
+{
+        uint32_t num_links = 0, len = 0;
+        char buf[1024];
+        const struct mg_request_info *ri = mg_get_request_info(conn);
+        struct app_params *app = myapp;
+        int i;
+
+        if (!strcmp(ri->request_method, "GET")) {
+                all_acl_stats(conn);
+                mg_printf(conn, "%s\n", &buf[0]);
+                return 1;
+        }
+
+        if (strcmp(ri->request_method, "POST")) {
+                mg_printf(conn,
+                    "HTTP/1.1 405 Method Not Allowed\r\nConnection: close\r\n");
+                mg_printf(conn, "Content-Type: text/plain\r\n\r\n");
+                mg_printf(conn,
+                          "%s method not allowed in the GET handler\n",
+                          ri->request_method);
+        }
+
+        for (i = 0; i <= rte_ACL_hi_counter_block_in_use; i++) {
+                rte_acl_counter_table[i].tpkts_processed = 0;
+                rte_acl_counter_table[i].bytes_processed = 0;
+                rte_acl_counter_table[i].pkts_drop = 0;
+                rte_acl_counter_table[i].pkts_received = 0;
+                rte_acl_counter_table[i].pkts_drop_ttl = 0;
+                rte_acl_counter_table[i].pkts_drop_bad_size = 0;
+                rte_acl_counter_table[i].pkts_drop_fragmented = 0;
+                rte_acl_counter_table[i].pkts_drop_without_arp_entry = 0;
+                rte_acl_counter_table[i].ct_counters->pkts_forwarded = 0;
+                rte_acl_counter_table[i].ct_counters->pkts_drop = 0;
+        }
+
+        memset(&action_counter_table, 0, sizeof(action_counter_table));
+
+        mg_printf(conn, "%s\n", &buf[0]);
+        return 1;
+
+}
+
+int acl_version_handler(struct mg_connection *conn, void *cbdata)
+{
+        const struct mg_request_info *req_info = mg_get_request_info(conn);
+
+        mg_printf(conn,
+                  "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\nConnection: "
+                  "close\r\n\r\n");
+        mg_printf(conn, "<html><body>");
+        mg_printf(conn, "<p>Command Passed</p>");
+        mg_printf(conn, "</body></html>\n");
+
+        return 1;
+}
+
+int acl_rules_handler(struct mg_connection *conn, __rte_unused void *cbdata)
+{
+
+	const struct mg_request_info *req_info = mg_get_request_info(conn);
+	if (strcmp(req_info->request_method, "GET")) {
+			mg_printf(conn, "Only GET method allowed");
+			return 1;
+	}
+
+	mg_printf(conn,
+		 "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\nConnection: "
+		 "close\r\n\r\n");
+	mg_printf(conn, "<html><body>");
+	mg_printf(conn, "<h2> These are the methods that are supported </h2>");
+	mg_printf(conn, "<h3>     /load  </h3>");
+	mg_printf(conn, "<h3>     /clear </h3>");
+	mg_printf(conn, "<html><body>");
+
+	mg_printf(conn, "</body></html>\n");
+
+	return 1;
+}
+
+static int acl_field_found(const char *key,
+			const char *filename,
+			char *path,
+			size_t pathlen,
+			void *user_data)
+{
+	struct mg_connection *conn = (struct mg_connection *)user_data;
+
+	mg_printf(conn, "\r\n\r\n%s:\r\n", key);
+	mg_printf(conn, "Inside vfw_field_found %s \n", filename);
+
+	if (filename && *filename) {
+		snprintf(path, pathlen, "/tmp/%s", filename);
+		struct app_params *app = myapp;
+		int status;
+		int fd;
+
+		mg_printf(conn, "path: %s\n", path);
+
+		/* Make sure the file exists before clearing rules and actions */
+		fd = open(path, O_RDONLY);
+		if (fd < 0) {
+			mg_printf(conn, "Cannot open file \"%s\"\n", filename);
+			return FORM_FIELD_STORAGE_GET;
+		}
+		close(fd);
+
+		return FORM_FIELD_STORAGE_STORE;
+	}
+
+	return FORM_FIELD_STORAGE_GET;
+}
+
+static int acl_field_get(const char *key, const char *value, size_t valuelen,
+		 void *user_data)
+{
+	struct mg_connection *conn = (struct mg_connection *)user_data;
+
+	if (key[0]) {
+		mg_printf(conn, "%s = ", key);
+	}
+	mg_write(conn, value, valuelen);
+
+	return 0;
+}
+
+static int acl_field_stored(const char *path, long long file_size,
+		 void *user_data)
+{
+	struct mg_connection *conn = (struct mg_connection *)user_data;
+	int status;
+
+	mg_printf(conn,
+		  "stored as %s (%lu bytes)\r\n\r\n",
+		  path,
+		  (unsigned long)file_size);
+
+	/* Clear all rules and actions */
+	status = app_pipeline_acl_clearrules(myapp);
+
+	if (status != 0) {
+		mg_printf(conn, "Command failed\n");
+		return 1;
+	}
+
+	/* Process commands in script file */
+	app_loadrules_file(pipe_cl->ctx, path);
+	rules_loaded = 1;
+
+	return 0;
+}
+
+int acl_load_rules_handler(struct mg_connection *conn, __rte_unused void *cbdata)
+{
+		/* Handler may access the request info using mg_get_request_info */
+		int ret;
+		const struct mg_request_info *req_info = mg_get_request_info(conn);
+		struct mg_form_data_handler fdh = {acl_field_found, acl_field_get,
+												 acl_field_stored, 0};
+
+		/* It would be possible to check the request info here before calling
+		 * mg_handle_form_request. */
+		(void)req_info;
+
+		mg_printf(conn,
+				  "HTTP/1.1 200 OK\r\nContent-Type: "
+				  "text/plain\r\nConnection: close\r\n\r\n");
+
+		if (!strcmp(req_info->request_method, "GET")) {
+				mg_printf(conn, "Rule file is %s\n", rules_loaded? "LOADED":"NOT LOADED");
+		}
+
+		if (strcmp(req_info->request_method, "PUT")) {
+				mg_printf(conn, "Only PUT method allowed");
+				return 1;
+		}
+
+		fdh.user_data = (void *)conn;
+
+		/* Call the form handler */
+		mg_printf(conn, "Form data:");
+		ret = mg_handle_form_request(conn, &fdh);
+		mg_printf(conn, "\r\n%i fields found", ret);
+
+		return 1;
+}
+
+int acl_clear_rules_handler(struct mg_connection *conn, __rte_unused void *cbdata)
+{
+	struct app_params *app = myapp;
+	int status;
+	mg_printf(conn,
+		"HTTP/1.1 200 OK\r\nContent-Type: text/html\r\nConnection: "
+		"close\r\n\r\n");
+	mg_printf(conn, "<html><body>");
+	status = app_pipeline_acl_clearrules(app);
+
+	if (status != 0) {
+		mg_printf(conn, "Command failed\n");
+		return 1;
+	}
+
+	mg_printf(conn, "Command Success\n");
+	mg_printf(conn, "</body></html>\n");
+	return 1;
+}
+
+void rest_api_acl_init(struct mg_context *ctx, struct app_params *app)
+{
+        myapp = app;
+
+        /* vCGNAPT commands */
+        mg_set_request_handler(ctx, "/vnf/config/rules", acl_rules_handler, 0);
+        mg_set_request_handler(ctx, "/vnf/config/rules/load", acl_load_rules_handler, 0);
+        mg_set_request_handler(ctx, "/vnf/config/rules/clear", acl_clear_rules_handler, 0);
+        mg_set_request_handler(ctx, "/vnf/status", acl_version_handler, 0);
+        mg_set_request_handler(ctx, "/vnf/stats", acl_stats_handler, 0);
+
+}
diff --git a/VNFs/vACL/pipeline/pipeline_acl.h b/VNFs/vACL/pipeline/pipeline_acl.h
index 80a85cae..93b92c45 100644
--- a/VNFs/vACL/pipeline/pipeline_acl.h
+++ b/VNFs/vACL/pipeline/pipeline_acl.h
@@ -28,6 +28,8 @@
 
 #include "pipeline.h"
 #include "pipeline_acl_be.h"
+#include <civetweb.h>
+#include <json/json.h>
 
 /* ACL IPV4 and IPV6 enable flags for debugging (Default both on) */
 extern int acl_ipv4_enabled;
@@ -47,6 +49,8 @@ extern void *acl_rule_table_ipv6_standby;
 #define acl_delete_command	1
 #define IPV6_32BIT_LENGTH	4
 
+void rest_api_acl_init(struct mg_context *ctx, struct app_params *app);
+
 /**
  * Add ACL rule to the ACL rule table.
  * Rules are added standby table.
diff --git a/VNFs/vACL/vnf_template.txt b/VNFs/vACL/vnf_template.txt
new file mode 100644
index 00000000..ed8253be
--- /dev/null
+++ b/VNFs/vACL/vnf_template.txt
@@ -0,0 +1,82 @@
+[MASTER]
+type = MASTER
+core = 0
+
+[ARPICMP]
+type = ARPICMP
+core = 1
+pktq_in  = SWQ0
+pktq_out = TXQ0.0 TXQ1.0
+pktq_in_prv =  RXQ0.0
+prv_to_pub_map = (0,1)
+prv_que_handler = (0)
+
+[TIMER]
+type = TIMER
+core = 2
+n_flows = 1048576
+
+[TXRX-BEGIN]
+type = TXRX
+core = 2
+pktq_in  = RXQ0.0 RXQ1.0
+pktq_out = SWQ0 SWQ1 SWQ2
+pipeline_txrx_type = RXRX
+dest_if_offset=176
+
+[TXRX-END]
+type = TXRX
+core = 5
+pktq_in  = SWQ5 SWQ6
+pktq_out = TXQ0.1 TXQ1.1
+pipeline_txrx_type = TXTX
+
+[LOADB]
+type = LOADB
+core = 3
+pktq_in  = SWQ0 SWQ1
+pktq_out = SWQ3 SWQ4
+outport_offset = 136
+phyport_offset = 204
+n_vnf_threads = 1
+prv_que_handler = (0)
+
+[VACL]
+type = ACL
+core = 4
+pktq_in  = SWQ3 SWQ4
+pktq_out = SWQ5 SWQ6
+n_flows = 1000000
+pkt_type = ipv6
+traffic_type = 6
+
+[VCGNAPT]
+type = CGNAPT
+core = 3
+pktq_in = RXQ0.0 RXQ1.0
+pktq_out = TXQ0.1 TXQ1.1 SWQ0
+phyport_offset = 204
+n_flows = 1048576
+key_offset = 192;64
+key_size = 8
+hash_offset = 200;72
+timer_period = 100
+max_clients_per_ip = 65535
+max_port_per_client = 10
+public_ip_port_range = 98103214:(1, 65535)
+vnf_set = (3,4,5)
+pkt_type = ipv4
+cgnapt_meta_offset = 128
+prv_que_handler = (0,)
+
+[VFW]
+type = VFW
+core = s0c4
+pktq_in  = SWQ3 SWQ4
+pktq_out = SWQ7 SWQ8;TXQ0.0 TXQ1.0
+n_rules = 10000
+n_flows = 1000000
+pkt_type = ipv6
+traffic_type = 6
+tcp_time_wait = 10
+
diff --git a/VNFs/vCGNAPT/Makefile b/VNFs/vCGNAPT/Makefile
index a6feb730..41cacfb7 100644
--- a/VNFs/vCGNAPT/Makefile
+++ b/VNFs/vCGNAPT/Makefile
@@ -65,9 +65,16 @@ CFLAGS += -I$(VNF_CORE)/common/VIL/pipeline_txrx -I$(VNF_CORE)/common/VIL/alg
 CFLAGS += -I$(VNF_CORE)/common/VIL/pipeline_arpicmp
 CFLAGS += -I$(VNF_CORE)/common/VIL/gateway
 
+TOP = $(RTE_SDK)/../civetweb
+CFLAGS += -I$(TOP)/include $(COPT) -DUSE_WEBSOCKET -DUSE_IPV6 -DUSE_SSL_DH=1
+CFLAGS += -DREST_API_SUPPORT
+LDFLAGS +=  -ljson -lcrypto -lssl
+LDFLAGS += -L$(RTE_SDK)/../civetweb/ -lcivetweb
+
 # all source are stored in SRCS-y
 SRCS-$(CONFIG_RTE_LIBRTE_PIPELINE) := main.c
 SRCS-$(CONFIG_RTE_LIBRTE_PIPELINE) += config_parse.c
+SRCS-$(CONFIG_RTE_LIBRTE_PIPELINE) += rest_api.c
 SRCS-$(CONFIG_RTE_LIBRTE_PIPELINE) += config_parse_tm.c
 SRCS-$(CONFIG_RTE_LIBRTE_PIPELINE) += config_check.c
 SRCS-$(CONFIG_RTE_LIBRTE_PIPELINE) += init.c
diff --git a/VNFs/vCGNAPT/init.c b/VNFs/vCGNAPT/init.c
index 76621d51..d61e419c 100644
--- a/VNFs/vCGNAPT/init.c
+++ b/VNFs/vCGNAPT/init.c
@@ -75,6 +75,7 @@ app_init_core_mask(struct app_params *app)
 			p->socket_id,
 			p->core_id,
 			p->hyper_th_id);
+		printf("lcore_id:%d\n", lcore_id);
 
 		if (lcore_id < 0)
 			rte_panic("Cannot create CPU core mask\n");
diff --git a/VNFs/vCGNAPT/main.c b/VNFs/vCGNAPT/main.c
index 9ebf6fc3..83fc37ff 100644
--- a/VNFs/vCGNAPT/main.c
+++ b/VNFs/vCGNAPT/main.c
@@ -15,12 +15,14 @@
 */
 
 #include "app.h"
+#include "pipeline_cgnapt.h"
 
 static struct app_params app;
 
 int
 main(int argc, char **argv)
 {
+	struct mg_context *ctx = NULL;
 	rte_openlog_stream(stderr);
 
 	/* Config */
@@ -28,6 +30,12 @@ main(int argc, char **argv)
 
 	app_config_args(&app, argc, argv);
 
+	/* initialize the rest api */
+	if (is_rest_support()) {
+		set_vnf_type("VCGNAPT");
+		ctx = rest_api_init(&app);
+	}
+
 	app_config_preproc(&app);
 
 	app_config_parse(&app, app.parser_file);
@@ -40,11 +48,21 @@ main(int argc, char **argv)
 	/* Init */
 	app_init(&app);
 
+	if (is_rest_support() && (ctx != NULL)) {
+		/* rest api's for cgnapt */
+		rest_api_cgnapt_init(ctx, &app);
+	}
+
 	/* Run-time */
 	rte_eal_mp_remote_launch(
 		app_thread,
 		(void *) &app,
 		CALL_MASTER);
 
+	if (is_rest_support() && (ctx != NULL)) {
+		mg_stop(ctx);
+		printf("Civet server stopped.\n");
+	}
+
 	return 0;
 }
diff --git a/VNFs/vCGNAPT/pipeline/pipeline_cgnapt.c b/VNFs/vCGNAPT/pipeline/pipeline_cgnapt.c
index fb0b95d1..0c6bf48d 100644
--- a/VNFs/vCGNAPT/pipeline/pipeline_cgnapt.c
+++ b/VNFs/vCGNAPT/pipeline/pipeline_cgnapt.c
@@ -29,6 +29,12 @@
 #include <cmdline_parse_string.h>
 #include <cmdline_parse_ipaddr.h>
 #include <cmdline_parse_etheraddr.h>
+#include <cmdline_rdline.h>
+#include <cmdline_socket.h>
+#include <cmdline.h>
+
+#include <fcntl.h>
+#include <unistd.h>
 
 #include "app.h"
 #include "pipeline_common_fe.h"
@@ -40,6 +46,8 @@
 #include "cgnapt_pcp_fe.h"
 #endif
 
+#define MAX_BUF_SIZE	2048
+
 /**
  * A structure defining the CG-NAPT entry that is stored on
  * front end.
@@ -66,6 +74,12 @@ struct pipeline_cgnapt_t {
 
 };
 
+int nat_load_handler(struct mg_connection *conn, __rte_unused void *cbdata);
+int nat_handler(struct mg_connection *conn, __rte_unused void *cbdata);
+uint32_t rules_loaded = 0;
+extern struct cmdline *pipe_cl;
+struct app_params *myapp;
+
 /**
  * Init function for CG-NAPT FE.
  *
@@ -1405,7 +1419,8 @@ cmd_cgnapt_stats_parsed(
 	__rte_unused struct cmdline *cl,
 	__rte_unused void *data)
 {
-	all_cgnapt_stats();
+	char buf[2048];
+	all_cgnapt_stats(&buf[0]);
 }
 
 static cmdline_parse_token_string_t cmd_cgnapt_stats_p_string =
@@ -1457,7 +1472,8 @@ cmd_cgnapt_clear_stats_parsed(
 	__rte_unused struct cmdline *cl,
 	__rte_unused void *data)
 {
-	all_cgnapt_clear_stats();
+	char buf[2048];
+	all_cgnapt_clear_stats(&buf[0]);
 }
 
 static cmdline_parse_token_string_t cmd_cgnapt_clear_stats_p_string =
@@ -1475,6 +1491,212 @@ static cmdline_parse_token_string_t cmd_cgnapt_clear_stats_stats_string =
 TOKEN_STRING_INITIALIZER(struct cmd_cgnapt_clear_stats_result, stats_string,
 				"stats");
 
+int cgnapt_stats_handler(struct mg_connection *conn, void *cbdata)
+{
+	uint32_t num_links = 0, len = 0;
+	char buf[1024];
+        const struct mg_request_info *ri = mg_get_request_info(conn);
+        struct app_params *app = myapp;
+	int i;
+
+	if (!strcmp(ri->request_method, "GET")) {
+		all_cgnapt_stats(&buf[0]);
+        	mg_printf(conn, "%s\n", &buf[0]);
+                return 1; 
+        }
+
+	if (strcmp(ri->request_method, "POST")) {
+                mg_printf(conn,
+                    "HTTP/1.1 405 Method Not Allowed\r\nConnection: close\r\n");
+                mg_printf(conn, "Content-Type: text/plain\r\n\r\n");
+                mg_printf(conn,
+                          "%s method not allowed in the GET handler\n",
+                          ri->request_method);
+	}
+
+	all_cgnapt_clear_stats(&buf[0]);
+	mg_printf(conn, "%s\n", &buf[0]);
+	return 1;
+
+}
+
+int cgnapt_cmd_ver_handler(struct mg_connection *conn, void *cbdata)
+{
+        const struct mg_request_info *req_info = mg_get_request_info(conn);
+
+        mg_printf(conn,
+                  "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\nConnection: "
+                  "close\r\n\r\n");
+        mg_printf(conn, "<html><body>");
+        mg_printf(conn, "<p>Command Passed</p>");
+        mg_printf(conn, "</body></html>\n");
+
+	return 1;
+}
+
+/*
+ * loadrules
+ */
+
+/**
+ * Open file and process all commands in the file.
+ *
+ * @param ctx
+ *  A pointer to the CLI context
+ * @param file_name
+ *  A pointer to the file to process.
+ *
+ */
+static void cgnapt_loadrules_file(cmdline_parse_ctx_t *ctx, const char *file_name)
+{
+       struct cmdline *file_cl;
+       int fd;
+
+       fd = open(file_name, O_RDONLY);
+       if (fd < 0) {
+              printf("Cannot open file \"%s\"\n", file_name);
+              return;
+       }
+
+       file_cl = cmdline_new(ctx, "", fd, 1);
+       cmdline_interact(file_cl);
+       close(fd);
+}
+
+
+int nat_handler(struct mg_connection *conn, __rte_unused void *cbdata)
+{
+
+	const struct mg_request_info *req_info = mg_get_request_info(conn);
+	if (strcmp(req_info->request_method, "GET")) {
+		mg_printf(conn, "Only GET method allowed");
+		return 1;
+	}
+
+	mg_printf(conn,
+		 "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\nConnection: "
+		 "close\r\n\r\n");
+	mg_printf(conn, "<html><body>");
+	mg_printf(conn, "<h2> These are the methods that are supported </h2>");
+	mg_printf(conn, "<h3>     /load  </h3>");
+	mg_printf(conn, "<html><body>");
+
+	mg_printf(conn, "</body></html>\n");
+
+	return 1;
+}
+
+static int nat_field_found(const char *key,
+	const char *filename,
+	char *path,
+	size_t pathlen,
+	void *user_data)
+{
+	struct mg_connection *conn = (struct mg_connection *)user_data;
+
+	mg_printf(conn, "\r\n\r\n%s:\r\n", key);
+	mg_printf(conn, "Inside vfw_field_found %s \n", filename);
+
+	if (filename && *filename) {
+		snprintf(path, pathlen, "/tmp/%s", filename);
+		struct app_params *app = myapp;
+		int status;
+		int fd;
+
+		mg_printf(conn, "path: %s\n", path);
+
+		/* Make sure the file exists before clearing rules and actions */
+		fd = open(path, O_RDONLY);
+		if (fd < 0) {
+			mg_printf(conn, "Cannot open file \"%s\"\n", filename);
+			return FORM_FIELD_STORAGE_GET;
+		}
+
+		close(fd);
+		return FORM_FIELD_STORAGE_STORE;
+	}
+
+	return FORM_FIELD_STORAGE_GET;
+}
+
+static int nat_field_get(const char *key, const char *value, size_t valuelen,
+	void *user_data)
+{
+	struct mg_connection *conn = (struct mg_connection *)user_data;
+
+	if (key[0]) {
+		mg_printf(conn, "%s = ", key);
+	}
+	mg_write(conn, value, valuelen);
+
+	return 0;
+}
+
+static int nat_field_stored(const char *path, long long file_size,
+	void *user_data)
+{
+	struct mg_connection *conn = (struct mg_connection *)user_data;
+	int status;
+
+	mg_printf(conn,
+		  "stored as %s (%lu bytes)\r\n\r\n",
+		  path,
+		  (unsigned long)file_size);
+
+	/* Process commands in script file */
+	cgnapt_loadrules_file(pipe_cl->ctx, path);
+	rules_loaded = 1;
+
+	return 0;
+}
+
+int nat_load_handler(struct mg_connection *conn, __rte_unused void *cbdata)
+{
+	/* Handler may access the request info using mg_get_request_info */
+	int ret;
+	const struct mg_request_info *req_info = mg_get_request_info(conn);
+	struct mg_form_data_handler fdh = {nat_field_found, nat_field_get,
+				 nat_field_stored, 0};
+
+	/* It would be possible to check the request info here before calling
+	 * mg_handle_form_request. */
+	(void)req_info;
+
+	mg_printf(conn,
+		  "HTTP/1.1 200 OK\r\nContent-Type: "
+		  "text/plain\r\nConnection: close\r\n\r\n");
+
+	if (!strcmp(req_info->request_method, "GET")) {
+		mg_printf(conn, "Rule file is %s\n", rules_loaded? "LOADED":"NOT LOADED");
+	}
+
+	if (strcmp(req_info->request_method, "PUT")) {
+		mg_printf(conn, "Only PUT method allowed");
+		return 1;
+	}
+
+	fdh.user_data = (void *)conn;
+
+	/* Call the form handler */
+	mg_printf(conn, "Form data:");
+	ret = mg_handle_form_request(conn, &fdh);
+	mg_printf(conn, "\r\n%i fields found", ret);
+
+	return 1;
+}
+
+void rest_api_cgnapt_init(struct mg_context *ctx, struct app_params *app)
+{
+	myapp = app;
+
+        /* vCGNAPT commands */
+        mg_set_request_handler(ctx, "/vnf/config/nat", nat_handler, 0);
+        mg_set_request_handler(ctx, "/vnf/config/nat/load", nat_load_handler, 0);
+	mg_set_request_handler(ctx, "/vnf/status", cgnapt_cmd_ver_handler, 0);
+	mg_set_request_handler(ctx, "/vnf/stats", cgnapt_stats_handler, 0);
+
+}
+
 static cmdline_parse_inst_t cmd_clear_stats = {
 	 .f = cmd_cgnapt_clear_stats_parsed,
 	 .data = NULL,
diff --git a/VNFs/vCGNAPT/pipeline/pipeline_cgnapt.h b/VNFs/vCGNAPT/pipeline/pipeline_cgnapt.h
index 5491648a..6497de27 100644
--- a/VNFs/vCGNAPT/pipeline/pipeline_cgnapt.h
+++ b/VNFs/vCGNAPT/pipeline/pipeline_cgnapt.h
@@ -28,6 +28,8 @@
 
 #include "pipeline.h"
 #include "pipeline_cgnapt_common.h"
+#include <civetweb.h>
+#include <json/json.h>
 
 /**
  * Add NAPT rule to the NAPT rule table.
@@ -129,6 +131,12 @@ int
 app_pipeline_cgnapt_nsp_del_entry(struct app_params *app,
 					uint32_t pipeline_id,
 					struct pipeline_cgnapt_nsp_t *nsp);
+#ifdef REST_API_SUPPORT
+/* REST api's are defined here */
+int cgnapt_cmd_ver_handler(struct mg_connection *conn, void *cbdata);
+int cgnapt_stats_handler(struct mg_connection *conn, void *cbdata);
+void rest_api_cgnapt_init(struct mg_context *ctx, struct app_params *app);
+#endif
 
 /*
  * Pipeline type
diff --git a/VNFs/vCGNAPT/pipeline/pipeline_cgnapt_be.c b/VNFs/vCGNAPT/pipeline/pipeline_cgnapt_be.c
index f02fd164..f578587e 100644
--- a/VNFs/vCGNAPT/pipeline/pipeline_cgnapt_be.c
+++ b/VNFs/vCGNAPT/pipeline/pipeline_cgnapt_be.c
@@ -10469,9 +10469,9 @@ void *pipeline_cgnapt_msg_req_ver_handler(__rte_unused struct pipeline *p,
  * Function to show CGNAPT stats
  *
  */
-void all_cgnapt_stats(void)
+void all_cgnapt_stats(char *buf)
 {
-	int i;
+	int i, len = 0;
 	struct pipeline_cgnapt *p_nat;
 	uint64_t receivedPktCount = 0;
 	uint64_t missedPktCount = 0;
@@ -10481,7 +10481,7 @@ void all_cgnapt_stats(void)
 	uint64_t enaptedPktCount = 0;
 	uint64_t arpicmpPktCount = 0;
 
-	printf("\nCG-NAPT Packet Stats:\n");
+	len += sprintf(buf + len, "\nCG-NAPT Packet Stats:\n");
 	for (i = 0; i < n_cgnapt_pipeline; i++) {
 		p_nat = all_pipeline_cgnapt[i];
 
@@ -10493,43 +10493,43 @@ void all_cgnapt_stats(void)
 		enaptedPktCount		+= p_nat->enaptedPktCount;
 		arpicmpPktCount		+= p_nat->arpicmpPktCount;
 
-		printf("pipeline %d stats:\n", p_nat->pipeline_num);
-		printf("Received %" PRIu64 ",", p_nat->receivedPktCount);
-		printf("Missed %" PRIu64 ",", p_nat->missedPktCount);
-		printf("Dropped %" PRIu64 ",",  p_nat->naptDroppedPktCount);
-		printf("Translated %" PRIu64 ",", p_nat->naptedPktCount);
-		printf("ingress %" PRIu64 ",",  p_nat->inaptedPktCount);
-		printf("egress %" PRIu64 "\n", p_nat->enaptedPktCount);
-		printf("arpicmp pkts %" PRIu64 "\n", p_nat->arpicmpPktCount);
+		len += sprintf(buf + len, "pipeline %d stats:\n", p_nat->pipeline_num);
+		len += sprintf(buf + len, "Received %" PRIu64 ",", p_nat->receivedPktCount);
+		len += sprintf(buf + len, "Missed %" PRIu64 ",", p_nat->missedPktCount);
+		len += sprintf(buf + len, "Dropped %" PRIu64 ",",  p_nat->naptDroppedPktCount);
+		len += sprintf(buf + len, "Translated %" PRIu64 ",", p_nat->naptedPktCount);
+		len += sprintf(buf + len, "ingress %" PRIu64 ",",  p_nat->inaptedPktCount);
+		len += sprintf(buf + len, "egress %" PRIu64 "\n", p_nat->enaptedPktCount);
+		len += sprintf(buf + len, "arpicmp pkts %" PRIu64 "\n", p_nat->arpicmpPktCount);
 
 
 		#ifdef CGNAPT_DEBUGGING
-		printf("\n Drop detail 1:%" PRIu64 ",",
+		len += sprintf(buf + len, "\n Drop detail 1:%" PRIu64 ",",
 				p_nat->naptDroppedPktCount1);
-		printf("\n Drop detail 2:%" PRIu64 ",",
+		len += sprintf(buf + len, "\n Drop detail 2:%" PRIu64 ",",
 				p_nat->naptDroppedPktCount2);
-		printf("\n Drop detail 3:%" PRIu64 ",",
+		len += sprintf(buf + len, "\n Drop detail 3:%" PRIu64 ",",
 				p_nat->naptDroppedPktCount3);
-		printf("\n Drop detail 4:%" PRIu64 ",",
+		len += sprintf(buf + len, "\n Drop detail 4:%" PRIu64 ",",
 				p_nat->naptDroppedPktCount4);
-		printf("\n Drop detail 5:%" PRIu64 ",",
+		len += sprintf(buf + len, "\n Drop detail 5:%" PRIu64 ",",
 				p_nat->naptDroppedPktCount5);
-		printf("\n Drop detail 6:%" PRIu64 "",
+		len += sprintf(buf + len, "\n Drop detail 6:%" PRIu64 "",
 				p_nat->naptDroppedPktCount6);
 
-		printf("\nPkt_miss: %" PRIu64 " %" PRIu64 "",
+		len += sprintf(buf + len, "\nPkt_miss: %" PRIu64 " %" PRIu64 "",
 				p_nat->missedpktcount1,
 				p_nat->missedpktcount2);
-		printf("\nPkt_miss: %" PRIu64 " %" PRIu64 "",
+		len += sprintf(buf + len, "\nPkt_miss: %" PRIu64 " %" PRIu64 "",
 				p_nat->missedpktcount3,
 				p_nat->missedpktcount4);
-		printf("\nPkt_miss: %" PRIu64 " %" PRIu64 "",
+		len += sprintf(buf + len, "\nPkt_miss: %" PRIu64 " %" PRIu64 "",
 				p_nat->missedpktcount5,
 				p_nat->missedpktcount6);
-		printf("\nPkt_miss: %" PRIu64 " %" PRIu64 "",
+		len += sprintf(buf + len, "\nPkt_miss: %" PRIu64 " %" PRIu64 "",
 				p_nat->missedpktcount7,
 				p_nat->missedpktcount8);
-		printf("\nPkt_miss: %" PRIu64 " %" PRIu64 "",
+		len += sprintf(buf + len, "\nPkt_miss: %" PRIu64 " %" PRIu64 "",
 				p_nat->missedpktcount9,
 				p_nat->missedpktcount10);
 
@@ -10537,32 +10537,35 @@ void all_cgnapt_stats(void)
 
 	}
 
-	printf("\nTotal pipeline stats:\n");
-	printf("Received %" PRIu64 ",", receivedPktCount);
-	printf("Missed %" PRIu64 ",", missedPktCount);
-	printf("Dropped %" PRIu64 ",",  naptDroppedPktCount);
-	printf("Translated %" PRIu64 ",", naptedPktCount);
-	printf("ingress %" PRIu64 ",",  inaptedPktCount);
-	printf("egress %" PRIu64 "\n", enaptedPktCount);
-	printf("arpicmp pkts %" PRIu64 "\n", arpicmpPktCount);
+	len += sprintf(buf + len, "\nTotal pipeline stats:\n");
+	len += sprintf(buf + len, "Received %" PRIu64 ",", receivedPktCount);
+	len += sprintf(buf + len, "Missed %" PRIu64 ",", missedPktCount);
+	len += sprintf(buf + len, "Dropped %" PRIu64 ",",  naptDroppedPktCount);
+	len += sprintf(buf + len, "Translated %" PRIu64 ",", naptedPktCount);
+	len += sprintf(buf + len, "ingress %" PRIu64 ",",  inaptedPktCount);
+	len += sprintf(buf + len, "egress %" PRIu64 "\n", enaptedPktCount);
+	len += sprintf(buf + len, "arpicmp pkts %" PRIu64 "\n", arpicmpPktCount);
+
+	if (!rest_api_supported())
+		printf("%s\n", buf);
 }
 
-void all_cgnapt_clear_stats(void)
+void all_cgnapt_clear_stats(char *buf)
 {
-	int i;
+	int i, len = 0;
 	struct pipeline_cgnapt *p_nat;
-		printf("\nCG-NAPT Packet Stats:\n");
+		len += sprintf(buf + len, "\nCG-NAPT Packet Stats:\n");
 	for (i = 0; i < n_cgnapt_pipeline; i++) {
 		p_nat = all_pipeline_cgnapt[i];
 
-		printf("pipeline %d stats:\n", p_nat->pipeline_num);
-		printf("Received %" PRIu64 ",", p_nat->receivedPktCount);
-		printf("Missed %" PRIu64 ",", p_nat->missedPktCount);
-		printf("Dropped %" PRIu64 ",",  p_nat->naptDroppedPktCount);
-		printf("Translated %" PRIu64 ",", p_nat->naptedPktCount);
-		printf("ingress %" PRIu64 ",",  p_nat->inaptedPktCount);
-		printf("egress %" PRIu64 "\n", p_nat->enaptedPktCount);
-		printf("arpicmp pkts %" PRIu64 "\n", p_nat->arpicmpPktCount);
+		len += sprintf(buf + len, "pipeline %d stats:\n", p_nat->pipeline_num);
+		len += sprintf(buf + len, "Received %" PRIu64 ",", p_nat->receivedPktCount);
+		len += sprintf(buf + len, "Missed %" PRIu64 ",", p_nat->missedPktCount);
+		len += sprintf(buf + len, "Dropped %" PRIu64 ",",  p_nat->naptDroppedPktCount);
+		len += sprintf(buf + len, "Translated %" PRIu64 ",", p_nat->naptedPktCount);
+		len += sprintf(buf + len, "ingress %" PRIu64 ",",  p_nat->inaptedPktCount);
+		len += sprintf(buf + len, "egress %" PRIu64 "\n", p_nat->enaptedPktCount);
+		len += sprintf(buf + len, "arpicmp pkts %" PRIu64 "\n", p_nat->arpicmpPktCount);
 
 		p_nat->receivedPktCount = 0;
 		p_nat->missedPktCount = 0;
@@ -10573,38 +10576,41 @@ void all_cgnapt_clear_stats(void)
 		p_nat->arpicmpPktCount = 0;
 
 		#ifdef CGNAPT_DEBUGGING
-		printf("\n Drop detail 1:%" PRIu64 ",",
+		len += sprintf(buf + len, "\n Drop detail 1:%" PRIu64 ",",
 				p_nat->naptDroppedPktCount1);
-		printf("\n Drop detail 2:%" PRIu64 ",",
+		len += sprintf(buf + len, "\n Drop detail 2:%" PRIu64 ",",
 				p_nat->naptDroppedPktCount2);
-		printf("\n Drop detail 3:%" PRIu64 ",",
+		len += sprintf(buf + len, "\n Drop detail 3:%" PRIu64 ",",
 				p_nat->naptDroppedPktCount3);
-		printf("\n Drop detail 4:%" PRIu64 ",",
+		len += sprintf(buf + len, "\n Drop detail 4:%" PRIu64 ",",
 				p_nat->naptDroppedPktCount4);
-		printf("\n Drop detail 5:%" PRIu64 ",",
+		len += sprintf(buf + len, "\n Drop detail 5:%" PRIu64 ",",
 				p_nat->naptDroppedPktCount5);
-		printf("\n Drop detail 6:%" PRIu64 "",
+		len += sprintf(buf + len, "\n Drop detail 6:%" PRIu64 "",
 				p_nat->naptDroppedPktCount6);
 
-		printf("\nPkt_miss: %" PRIu64 " %" PRIu64 "",
+		len += sprintf(buf + len, "\nPkt_miss: %" PRIu64 " %" PRIu64 "",
 				p_nat->missedpktcount1,
 				p_nat->missedpktcount2);
-		printf("\nPkt_miss: %" PRIu64 " %" PRIu64 "",
+		len += sprintf(buf + len, "\nPkt_miss: %" PRIu64 " %" PRIu64 "",
 				p_nat->missedpktcount3,
 				p_nat->missedpktcount4);
-		printf("\nPkt_miss: %" PRIu64 " %" PRIu64 "",
+		len += sprintf(buf + len, "\nPkt_miss: %" PRIu64 " %" PRIu64 "",
 				p_nat->missedpktcount5,
 				p_nat->missedpktcount6);
-		printf("\nPkt_miss: %" PRIu64 " %" PRIu64 "",
+		len += sprintf(buf + len, "\nPkt_miss: %" PRIu64 " %" PRIu64 "",
 				p_nat->missedpktcount7,
 				p_nat->missedpktcount8);
-		printf("\nPkt_miss: %" PRIu64 " %" PRIu64 "",
+		len += sprintf(buf + len, "\nPkt_miss: %" PRIu64 " %" PRIu64 "",
 				p_nat->missedpktcount9,
 				p_nat->missedpktcount10);
 
 		#endif
 
 	}
+
+	if (!rest_api_supported())
+		printf("%s\n", buf);
 }
 
 /**
diff --git a/VNFs/vCGNAPT/pipeline/pipeline_cgnapt_common.h b/VNFs/vCGNAPT/pipeline/pipeline_cgnapt_common.h
index 4f4253cd..a7cd88a4 100644
--- a/VNFs/vCGNAPT/pipeline/pipeline_cgnapt_common.h
+++ b/VNFs/vCGNAPT/pipeline/pipeline_cgnapt_common.h
@@ -265,7 +265,7 @@ struct pipeline_cgnapt_entry_dbg_msg_req {
 
 extern struct pipeline_be_ops pipeline_cgnapt_be_ops;
 void print_num_ip_clients(void);
-void all_cgnapt_stats(void);
-void all_cgnapt_clear_stats(void);
+void all_cgnapt_stats(char *);
+void all_cgnapt_clear_stats(char *);
 void print_static_cgnapt_entries(void);
 #endif
diff --git a/VNFs/vCGNAPT/vnf_template.txt b/VNFs/vCGNAPT/vnf_template.txt
new file mode 100644
index 00000000..385c5312
--- /dev/null
+++ b/VNFs/vCGNAPT/vnf_template.txt
@@ -0,0 +1,80 @@
+[MASTER]
+type = MASTER
+core = 0
+
+[ARPICMP]
+type = ARPICMP
+core = 1
+pktq_in  = SWQ0
+pktq_out = TXQ0.0 TXQ1.0
+pktq_in_prv =  RXQ0.0
+prv_to_pub_map = (0,1)
+prv_que_handler = (0)
+
+[TIMER]
+type = TIMER
+core = 2
+n_flows = 1048576
+
+[TXRX-BEGIN]
+type = TXRX
+core = 2
+pktq_in  = RXQ0.0 RXQ1.0
+pktq_out = SWQ0 SWQ1 SWQ2
+pipeline_txrx_type = RXRX
+dest_if_offset=176
+
+[TXRX-END]
+type = TXRX
+core = 5
+pktq_in  = SWQ5 SWQ6
+pktq_out = TXQ0.1 TXQ1.1
+pipeline_txrx_type = TXTX
+
+[LOADB]
+type = LOADB
+core = 3
+pktq_in  = SWQ0 SWQ1
+pktq_out = SWQ3 SWQ4
+outport_offset = 136
+phyport_offset = 204
+n_vnf_threads = 1
+prv_que_handler = (0)
+
+[VACL]
+type = ACL
+core = 4
+pktq_in  = SWQ3 SWQ4
+pktq_out = SWQ5 SWQ6
+n_flows = 1000000
+pkt_type = ipv6
+traffic_type = 6
+
+[VCGNAPT]
+type = CGNAPT
+core = 3
+pktq_in = RXQ0.0 RXQ1.0
+pktq_out = TXQ0.1 TXQ1.1 SWQ0
+phyport_offset = 204
+n_flows = 1048576
+key_offset = 192;64
+key_size = 8
+hash_offset = 200;72
+timer_period = 100
+max_clients_per_ip = 65535
+max_port_per_client = 10
+pkt_type = ipv4
+cgnapt_meta_offset = 128
+prv_que_handler = (0,)
+
+[VFW]
+type = VFW
+core = s0c4
+pktq_in  = SWQ3 SWQ4
+pktq_out = SWQ7 SWQ8;TXQ0.0 TXQ1.0
+n_rules = 10000
+n_flows = 1000000
+pkt_type = ipv6
+traffic_type = 6
+tcp_time_wait = 10
+
diff --git a/VNFs/vFW/Makefile b/VNFs/vFW/Makefile
index 1e79646d..b011eca2 100644
--- a/VNFs/vFW/Makefile
+++ b/VNFs/vFW/Makefile
@@ -66,9 +66,15 @@ CFLAGS += -I$(VNF_CORE)/common/VIL/acl
 CFLAGS += -I$(VNF_CORE)/common/VIL/pipeline_arpicmp
 CFLAGS += -I$(VNF_CORE)/common/VIL/gateway
 
+TOP = $(RTE_SDK)/../civetweb
+CFLAGS += -I$(TOP)/include $(COPT) -DUSE_WEBSOCKET -DUSE_IPV6 -DUSE_SSL_DH=1 -DREST_API_SUPPORT=1
+LDFLAGS +=  -ljson -lcrypto -lssl
+LDFLAGS += -L$(RTE_SDK)/../civetweb/ -lcivetweb
+
 # all source are stored in SRCS-y
 SRCS-$(CONFIG_RTE_LIBRTE_PIPELINE) := main.c
 SRCS-$(CONFIG_RTE_LIBRTE_PIPELINE) += config_parse.c
+SRCS-$(CONFIG_RTE_LIBRTE_PIPELINE) += rest_api.c
 SRCS-$(CONFIG_RTE_LIBRTE_PIPELINE) += config_parse_tm.c
 SRCS-$(CONFIG_RTE_LIBRTE_PIPELINE) += config_check.c
 SRCS-$(CONFIG_RTE_LIBRTE_PIPELINE) += init.c
diff --git a/VNFs/vFW/init.c b/VNFs/vFW/init.c
index 4e98b335..0edc5e32 100644
--- a/VNFs/vFW/init.c
+++ b/VNFs/vFW/init.c
@@ -705,7 +705,7 @@ app_init_link(struct app_params *app)
 	port_config = rte_zmalloc(NULL, (app->n_links * size),
 			RTE_CACHE_LINE_SIZE);
 	if (port_config == NULL)
-		rte_panic("port_config is NULL: Memory Allocation failure\n");
+		rte_panic("port_config is NULL: Memory Allocation failure num_links %d %d\n", app->n_links, app->n_links * size);
 
 	for (i = 0; i < app->n_links; i++) {
 		struct app_link_params *p_link = &app->link_params[i];
diff --git a/VNFs/vFW/main.c b/VNFs/vFW/main.c
index 9ebf6fc3..aec04ac5 100644
--- a/VNFs/vFW/main.c
+++ b/VNFs/vFW/main.c
@@ -15,12 +15,15 @@
 */
 
 #include "app.h"
+#include <civetweb.h>
 
 static struct app_params app;
+extern void rest_api_vfw_init(struct mg_context *ctx, struct app_params *app);
 
 int
 main(int argc, char **argv)
 {
+	struct mg_context *ctx = NULL;
 	rte_openlog_stream(stderr);
 
 	/* Config */
@@ -28,6 +31,12 @@ main(int argc, char **argv)
 
 	app_config_args(&app, argc, argv);
 
+	if (is_rest_support()) {
+		/* initialize the rest api */
+		set_vnf_type("VFW");
+		ctx = rest_api_init(&app);
+	}
+
 	app_config_preproc(&app);
 
 	app_config_parse(&app, app.parser_file);
@@ -40,11 +49,21 @@ main(int argc, char **argv)
 	/* Init */
 	app_init(&app);
 
+	if (is_rest_support() && (ctx != NULL)) {
+		/* rest api's for cgnapt */
+		rest_api_vfw_init(ctx, &app);
+	}
+
 	/* Run-time */
 	rte_eal_mp_remote_launch(
 		app_thread,
 		(void *) &app,
 		CALL_MASTER);
 
+	if (is_rest_support() && (ctx != NULL)) {
+		mg_stop(ctx);
+		printf("Civet server stopped.\n");
+	}
+
 	return 0;
 }
diff --git a/VNFs/vFW/pipeline/pipeline_vfw.c b/VNFs/vFW/pipeline/pipeline_vfw.c
index f235bc59..df94b5f7 100644
--- a/VNFs/vFW/pipeline/pipeline_vfw.c
+++ b/VNFs/vFW/pipeline/pipeline_vfw.c
@@ -29,6 +29,7 @@
 #include <string.h>
 #include <sys/queue.h>
 #include <netinet/in.h>
+#include <arpa/inet.h>
 
 #include <rte_common.h>
 #include <rte_hexdump.h>
@@ -45,10 +46,16 @@
 
 #include "app.h"
 #include "pipeline_common_fe.h"
+#include "pipeline_master.h"
 #include "pipeline_vfw.h"
 #include "pipeline_vfw_be.h"
 #include "rte_cnxn_tracking.h"
 
+struct app_params *myapp;
+#define MAX_BUF_SIZE    2048
+extern struct cmdline *pipe_cl;
+extern int my_inet_pton_ipv6(int af, const char *src, void *dst);
+
 /**
  * A structure defining the VFW rule for the TAILQ Tables.
  */
@@ -4619,6 +4626,477 @@ cmdline_parse_token_num_t cmd_vfw_synproxy_flag =
 TOKEN_NUM_INITIALIZER(struct cmd_vfw_synproxy_flag_result, synproxy_flag,
               UINT8);
 
+static uint32_t rules_loaded;
+static int vfw_field_found(const char *key,
+            const char *filename,
+            char *path,
+            size_t pathlen,
+            void *user_data);
+
+static int vfw_field_get(const char *key, const char *value, size_t valuelen,
+ void *user_data);
+static int vfw_field_stored(const char *path, long long file_size, void *user_data);
+
+int vfw_clearrules_handler(struct mg_connection *conn, __rte_unused void *cbdata)
+{
+       struct app_params *app = myapp;
+       int status;
+       mg_printf(conn,
+                 "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\nConnection: "
+                 "close\r\n\r\n");
+       mg_printf(conn, "<html><body>");
+       mg_printf(conn, "</body></html>\n");
+
+       status = app_pipeline_vfw_clearrules(app);
+
+       if (status != 0) {
+              mg_printf(conn, "Command failed\n");
+              return 1;
+       }
+
+       mg_printf(conn, "Command Success\n");
+       return 1;
+}
+
+int vfw_clearstats_handler(__rte_unused struct mg_connection *conn,
+		 __rte_unused void *cbdata)
+{
+       int i;
+       struct rte_CT_counter_block *ct_counters;
+
+       for (i = 0; i <= rte_VFW_hi_counter_block_in_use; i++) {
+              ct_counters = rte_vfw_counter_table[i].ct_counters;
+              rte_vfw_counter_table[i].bytes_processed = 0;
+              rte_vfw_counter_table[i].pkts_drop_without_rule = 0;
+              rte_vfw_counter_table[i].pkts_received = 0;
+              rte_vfw_counter_table[i].pkts_drop_ttl = 0;
+              rte_vfw_counter_table[i].pkts_drop_bad_size = 0;
+              rte_vfw_counter_table[i].pkts_drop_fragmented = 0;
+              rte_vfw_counter_table[i].pkts_drop_unsupported_type = 0;
+              rte_vfw_counter_table[i].pkts_drop_without_arp_entry = 0;
+              rte_vfw_counter_table[i].internal_time_sum = 0;
+              rte_vfw_counter_table[i].external_time_sum = 0;
+              rte_vfw_counter_table[i].time_measurements = 0;
+              rte_vfw_counter_table[i].ct_counters->pkts_forwarded = 0;
+              rte_vfw_counter_table[i].ct_counters->pkts_drop = 0;
+              rte_vfw_counter_table[i].pkts_fw_forwarded = 0;
+              rte_vfw_counter_table[i].pkts_acl_forwarded = 0;
+              ct_counters->current_active_sessions = 0;
+              ct_counters->sessions_activated = 0;
+              ct_counters->sessions_reactivated = 0;
+              ct_counters->sessions_established = 0;
+              ct_counters->sessions_closed = 0;
+              ct_counters->sessions_timedout = 0;
+              ct_counters->pkts_drop_invalid_conn = 0;
+              ct_counters->pkts_drop_invalid_state = 0;
+              ct_counters->pkts_drop_invalid_rst = 0;
+              ct_counters->pkts_drop_outof_window = 0;
+       }
+
+       memset(&action_counter_table, 0, sizeof(action_counter_table));
+       rte_vfw_reset_running_averages();
+       return 1;
+}
+
+int vfw_stats_handler(struct mg_connection *conn, __rte_unused void *cbdata)
+{
+       const struct mg_request_info *ri = mg_get_request_info(conn);
+       int i, j;
+       struct rte_VFW_counter_block vfw_counter_sums;
+       struct rte_CT_counter_block ct_counter_sums;
+       struct rte_CT_counter_block *ct_counters;
+       struct action_counter_block action_counter_sum[action_array_max];
+       uint64_t sum_pkts_drop_fw = 0;
+       
+       if (!strcmp(ri->request_method, "POST")) {
+               mg_printf(conn,
+                       "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\nConnection: "
+                       "close\r\n\r\n");
+               mg_printf(conn, "<html><body>");
+               mg_printf(conn, "Command Passed \n");
+               vfw_clearstats_handler(conn, cbdata);
+               mg_printf(conn, "</body></html>\n");
+               return 1;
+       }
+
+       if (strcmp(ri->request_method, "GET")) {
+               mg_printf(conn,
+                         "HTTP/1.1 405 Method Not Allowed\r\nConnection: close\r\n");
+               mg_printf(conn, "Content-Type: text/plain\r\n\r\n");
+               mg_printf(conn,
+                         "%s method not allowed in the GET handler\n",
+                         ri->request_method);
+               return 1;
+       }
+
+       memset(&vfw_counter_sums, 0, sizeof(vfw_counter_sums));
+       memset(&ct_counter_sums, 0, sizeof(ct_counter_sums));
+
+       mg_printf(conn,
+                "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\nConnection: "
+                "close\r\n\r\n");
+       mg_printf(conn, "<html><body>");
+       mg_printf(conn, "VFW Stats\n");
+       for (i = 0; i <= rte_VFW_hi_counter_block_in_use; i++) {
+              struct rte_VFW_counter_block *vfw_ctrs =
+                  &rte_vfw_counter_table[i];
+              ct_counters = rte_vfw_counter_table[i].ct_counters;
+
+              uint64_t average_internal_time =
+                  vfw_ctrs->time_measurements ==
+                  0 ? 0 : vfw_ctrs->internal_time_sum /
+                  vfw_ctrs->time_measurements;
+              uint64_t average_external_time =
+                  vfw_ctrs->time_measurements ==
+                  0 ? 0 : vfw_ctrs->external_time_sum /
+                  vfw_ctrs->time_measurements;
+              uint64_t average_pkts_in_batch =
+                  vfw_ctrs->num_pkts_measurements ==
+                  0 ? 0 : vfw_ctrs->num_batch_pkts_sum /
+                  vfw_ctrs->num_pkts_measurements;
+              uint64_t pkts_drop_fw = vfw_ctrs->pkts_drop_ttl +
+                                   vfw_ctrs->pkts_drop_bad_size +
+                                   vfw_ctrs->pkts_drop_fragmented +
+                                   vfw_ctrs->pkts_drop_unsupported_type;
+
+              mg_printf(conn, "{\"VFW_counters\" : {\"id\" : \"%s\", \" pkts_received\": %"
+                     PRIu64 ", \" pkts_fw_forwarded\": %"
+                     PRIu64 ", \" pkts_drop_fw\": %"
+                     PRIu64 ", \" pkts_acl_forwarded\": %"
+                     PRIu64 ", \"pkts_drop_without_rule\" : %"
+                     PRIu64 ", \"average_pkts_in_batch\" : %"
+                     PRIu64 ", \"average_internal_time_in_clocks\" : %"
+                     PRIu64 ", \"average_external_time_in_clocks\" : %"
+                     PRIu64 ", \"total_time_measures\" : %"
+                     PRIu32 ", \"ct_packets_forwarded\" : %"
+                     PRIu64 ", \"ct_packets_dropped\" : %"
+                     PRIu64 ", \"bytes_processed \": %"
+                     PRIu64 ", \"ct_sessions\" : {"
+                     "\"active\" : %" PRIu64 ", \"open_attempt\" : %"
+                     PRIu64 ", \"re-open_attempt\" : %"
+                     PRIu64 ", \"established\" : %"
+                     PRIu64 ", \"closed\" : %"
+                     PRIu64 ", \"timeout\" : %"
+                     PRIu64 "}, \"ct_drops\" : {"
+                     "\"out_of_window\" : %" PRIu64 ", \"invalid_conn\" : %"
+                     PRIu64 ", \"invalid_state_transition\" : %"
+                     PRIu64 " \"RST\" : %"
+                     PRIu64 "}}\n",
+                     vfw_ctrs->name,
+                     vfw_ctrs->pkts_received,
+                     vfw_ctrs->pkts_fw_forwarded,
+                     pkts_drop_fw,
+                     vfw_ctrs->pkts_acl_forwarded,
+                     vfw_ctrs->pkts_drop_without_rule,
+                     average_pkts_in_batch,
+                     average_internal_time,
+                     average_external_time,
+                     vfw_ctrs->time_measurements,
+                     ct_counters->pkts_forwarded,
+                     ct_counters->pkts_drop,
+                     vfw_ctrs->bytes_processed,
+                     ct_counters->current_active_sessions,
+                     ct_counters->sessions_activated,
+                     ct_counters->sessions_reactivated,
+                     ct_counters->sessions_established,
+                     ct_counters->sessions_closed,
+                     ct_counters->sessions_timedout,
+                     ct_counters->pkts_drop_outof_window,
+                     ct_counters->pkts_drop_invalid_conn,
+                     ct_counters->pkts_drop_invalid_state,
+                     ct_counters->pkts_drop_invalid_rst);
+
+              vfw_counter_sums.bytes_processed +=
+                  vfw_ctrs->bytes_processed;
+
+              vfw_counter_sums.internal_time_sum +=
+                  vfw_ctrs->internal_time_sum;
+              vfw_counter_sums.external_time_sum +=
+                  vfw_ctrs->external_time_sum;
+              vfw_counter_sums.time_measurements +=
+                  vfw_ctrs->time_measurements;
+
+              vfw_counter_sums.pkts_drop_ttl += vfw_ctrs->pkts_drop_ttl;
+              vfw_counter_sums.pkts_drop_bad_size +=
+                  vfw_ctrs->pkts_drop_bad_size;
+              vfw_counter_sums.pkts_drop_fragmented +=
+                  vfw_ctrs->pkts_drop_fragmented;
+              vfw_counter_sums.pkts_drop_unsupported_type +=
+                  vfw_ctrs->pkts_drop_unsupported_type;
+              vfw_counter_sums.pkts_drop_without_arp_entry +=
+                  vfw_ctrs->pkts_drop_without_arp_entry;
+
+              vfw_counter_sums.pkts_drop_without_rule +=
+                  vfw_ctrs->pkts_drop_without_rule;
+              vfw_counter_sums.pkts_received += vfw_ctrs->pkts_received;
+              vfw_counter_sums.pkts_fw_forwarded +=
+                     vfw_ctrs->pkts_fw_forwarded;
+              vfw_counter_sums.pkts_acl_forwarded +=
+                     vfw_ctrs->pkts_acl_forwarded;
+              sum_pkts_drop_fw += pkts_drop_fw;
+              ct_counter_sums.pkts_forwarded += ct_counters->pkts_forwarded;
+              ct_counter_sums.pkts_drop += ct_counters->pkts_drop;
+              ct_counter_sums.current_active_sessions +=
+                  ct_counters->current_active_sessions;
+              ct_counter_sums.sessions_activated +=
+                  ct_counters->sessions_activated;
+              ct_counter_sums.sessions_reactivated +=
+                  ct_counters->sessions_reactivated;
+              ct_counter_sums.sessions_established +=
+                  ct_counters->sessions_established;
+              ct_counter_sums.sessions_closed += ct_counters->sessions_closed;
+              ct_counter_sums.sessions_timedout +=
+                  ct_counters->sessions_timedout;
+              ct_counter_sums.pkts_drop_invalid_conn +=
+                  ct_counters->pkts_drop_invalid_conn;
+              ct_counter_sums.pkts_drop_invalid_state +=
+                  ct_counters->pkts_drop_invalid_state;
+              ct_counter_sums.pkts_drop_invalid_rst +=
+                  ct_counters->pkts_drop_invalid_rst;
+              ct_counter_sums.pkts_drop_outof_window +=
+                  ct_counters->pkts_drop_outof_window;
+
+       }
+
+       mg_printf(conn, "VFW TOTAL: pkts_received: %"
+                     PRIu64 ", \"pkts_fw_forwarded\": %"
+                     PRIu64 ", \"pkts_drop_fw\": %"
+                     PRIu64 ", \"fw_drops\" : {"
+                     "\"TTL_zero\" : %" PRIu64 ", \"bad_size\" : %"
+                     PRIu64 ", \"fragmented_packet\" : %"
+                     PRIu64 ", \"unsupported_packet_types\" : %"
+                     PRIu64 ", \"no_arp_entry\" : %"
+                     PRIu64 "}, \"pkts_acl_forwarded\": %"
+                     PRIu64 ", \"pkts_drop_without_rule\": %"
+                     PRIu64 ", \"packets_last_sec\" : %"
+                     PRIu32 ", \"average_packets_per_sec\" : %"
+                     PRIu32 ", \"bytes_last_sec\" : %"
+                     PRIu32 ", \"average_bytes_per_sec\" : %"
+                     PRIu32 ", \"bytes_processed \": %"
+                     PRIu64 "\n",
+                     vfw_counter_sums.pkts_received,
+                     vfw_counter_sums.pkts_fw_forwarded,
+                     sum_pkts_drop_fw,
+                     vfw_counter_sums.pkts_drop_ttl,
+                     vfw_counter_sums.pkts_drop_bad_size,
+                     vfw_counter_sums.pkts_drop_fragmented,
+                     vfw_counter_sums.pkts_drop_unsupported_type,
+                     vfw_counter_sums.pkts_drop_without_arp_entry,
+                     vfw_counter_sums.pkts_acl_forwarded,
+                     vfw_counter_sums.pkts_drop_without_rule,
+                     rte_vfw_performance_measures.pkts_last_second,
+                     rte_vfw_performance_measures.ave_pkts_per_second,
+                     rte_vfw_performance_measures.bytes_last_second,
+                     rte_vfw_performance_measures.ave_bytes_per_second,
+                     vfw_counter_sums.bytes_processed);
+
+       mg_printf(conn, "\"CT TOTAL: ct_packets_forwarded\" : %"
+                     PRIu64 ", \" ct_packets_dropped\" : %"
+                     PRIu64 ", \"ct_sessions\" : {"
+                     "\"active\" : %" PRIu64 ", \"open_attempt\" : %"
+                     PRIu64 ", \"re-open_attempt\" : %"
+                     PRIu64 ", \"established\" : %"
+                     PRIu64 ", \"closed\" : %"
+                     PRIu64 ", \"timeout\" : %"
+                     PRIu64 "}, \"ct_drops\" : {"
+                     "\"out_of_window\" : %" PRIu64 ", \"invalid_conn\" : %"
+                     PRIu64 ", \"invalid_state_transition\" : %"
+                     PRIu64 " \"RST\" : %"
+                     PRIu64 "}\n",
+                     ct_counter_sums.pkts_forwarded,
+                     ct_counter_sums.pkts_drop,
+                     ct_counter_sums.current_active_sessions,
+                     ct_counter_sums.sessions_activated,
+                     ct_counter_sums.sessions_reactivated,
+                     ct_counter_sums.sessions_established,
+                     ct_counter_sums.sessions_closed,
+                     ct_counter_sums.sessions_timedout,
+                     ct_counter_sums.pkts_drop_outof_window,
+                     ct_counter_sums.pkts_drop_invalid_conn,
+                     ct_counter_sums.pkts_drop_invalid_state,
+                     ct_counter_sums.pkts_drop_invalid_rst);
+
+       for (i = 0; i <= rte_VFW_hi_counter_block_in_use; i++) {
+              for (j = 0; j < action_array_max; j++) {
+                     if (action_array_active[j].
+                         action_bitmap & lib_acl_action_count) {
+                            action_counter_sum[j].packetCount +=
+                                action_counter_table[i][j].packetCount;
+                            action_counter_sum[j].byteCount +=
+                                action_counter_table[i][j].byteCount;
+                     }
+              }
+       }
+
+       for (j = 0; j < action_array_max; j++) {
+              if (action_array_active[j].action_bitmap & lib_acl_action_count)
+                     mg_printf(conn, "Action ID: %02u, packetCount: %" PRIu64
+                            ", byteCount: %" PRIu64 "\n", j,
+                            action_counter_sum[j].packetCount,
+                            action_counter_sum[j].byteCount);
+       }
+       mg_printf(conn, "</body></html>");
+
+       return 1;
+
+}
+
+int vfw_rules_handler(struct mg_connection *conn, __rte_unused void *cbdata)
+{
+ 
+        const struct mg_request_info *req_info = mg_get_request_info(conn);
+	if (strcmp(req_info->request_method, "GET")) {
+        	mg_printf(conn, "Only GET method allowed");
+		return 1;
+	}
+
+        mg_printf(conn,
+                 "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\nConnection: "
+                 "close\r\n\r\n");
+        mg_printf(conn, "<html><body>");
+        mg_printf(conn, "<h2> These are the methods that are supported </h2>");
+        mg_printf(conn, "<h3>     /load  </h3>");
+        mg_printf(conn, "<h3>     /clear </h3>");
+        mg_printf(conn, "<html><body>");
+	
+        mg_printf(conn, "</body></html>\n");
+
+	return 1;
+}
+
+static int vfw_field_found(const char *key,
+            const char *filename,
+            char *path,
+            size_t pathlen,
+            void *user_data)
+{
+        struct mg_connection *conn = (struct mg_connection *)user_data;
+
+        mg_printf(conn, "\r\n\r\n%s:\r\n", key);
+	mg_printf(conn, "Inside vfw_field_found %s \n", filename);
+
+        if (filename && *filename) {
+		snprintf(path, pathlen, "/tmp/%s", filename);
+		int fd;
+
+		mg_printf(conn, "path: %s\n", path);
+
+		/* Make sure the file exists before clearing rules and actions */
+		fd = open(path, O_RDONLY);
+		if (fd < 0) {
+			mg_printf(conn, "Cannot open file \"%s\"\n", filename);
+			return FORM_FIELD_STORAGE_GET;
+		}
+		close(fd);
+
+		return FORM_FIELD_STORAGE_STORE;
+	}
+        
+	return FORM_FIELD_STORAGE_GET;
+}
+
+static int vfw_field_get(const char *key, const char *value, size_t valuelen,
+	 void *user_data)
+{
+        struct mg_connection *conn = (struct mg_connection *)user_data;
+
+        if (key[0]) {
+                mg_printf(conn, "%s = ", key);
+        }
+        mg_write(conn, value, valuelen);
+
+        return 0;
+}
+
+static int vfw_field_stored(const char *path, long long file_size,
+	 void *user_data)
+{
+        struct mg_connection *conn = (struct mg_connection *)user_data;
+	int status;
+
+        mg_printf(conn,
+                  "stored as %s (%lu bytes)\r\n\r\n",
+                  path,
+                  (unsigned long)file_size);
+
+	/* Clear all rules and actions */
+	status = app_pipeline_vfw_clearrules(myapp);
+	if (status != 0) {
+		mg_printf(conn, "Command clearrules failed\n");
+		return 1;
+	}
+
+	/* Process commands in script file */
+	app_loadrules_file(pipe_cl->ctx, path);
+	rules_loaded = 1;
+
+        return 0;
+}
+
+int vfw_cmd_ver_handler(__rte_unused struct mg_connection *conn, __rte_unused void *cbdata)
+{
+        mg_printf(conn,
+                  "HTTP/1.1 200 OK\r\nContent-Type: "
+                  "text/plain\r\nConnection: close\r\n\r\n");
+        mg_printf(conn, "<html><body>");
+	mg_printf(conn, "<p>Command Passed</p>");
+        mg_printf(conn, "</body></html>\n");
+
+	return 1;
+}
+
+int vfw_load_rules_handler(struct mg_connection *conn, __rte_unused void *cbdata)
+{
+        /* Handler may access the request info using mg_get_request_info */
+	int ret;
+        const struct mg_request_info *req_info = mg_get_request_info(conn);
+        struct mg_form_data_handler fdh = {vfw_field_found, vfw_field_get,
+						 vfw_field_stored, 0};
+
+        /* It would be possible to check the request info here before calling
+         * mg_handle_form_request. */
+        (void)req_info;
+
+        mg_printf(conn,
+                  "HTTP/1.1 200 OK\r\nContent-Type: "
+                  "text/plain\r\nConnection: close\r\n\r\n");
+
+        if (!strcmp(req_info->request_method, "GET")) {
+		mg_printf(conn, "Rule file is %s\n", rules_loaded? "LOADED":"NOT LOADED");
+	}
+
+        if (strcmp(req_info->request_method, "PUT")) {
+        	mg_printf(conn, "Only PUT method allowed");
+		return 1;
+	}
+
+        fdh.user_data = (void *)conn;
+
+        /* Call the form handler */
+        mg_printf(conn, "Form data:");
+        ret = mg_handle_form_request(conn, &fdh);
+        mg_printf(conn, "\r\n%i fields found", ret);
+
+        //mg_handle_form_request(conn, &fdh);
+        //mg_printf(conn, "\r\n script file handled");
+	//rules_loaded = 1;
+
+        return 1;
+}
+
+void rest_api_vfw_init(struct mg_context *ctx, struct app_params *app)
+{
+	myapp = app;
+
+	/* vFW commands */
+	mg_set_request_handler(ctx, "/vnf/config/rules", vfw_rules_handler, 0);
+	mg_set_request_handler(ctx, "/vnf/config/rules/load", vfw_load_rules_handler, 0);
+	mg_set_request_handler(ctx, "/vnf/config/rules/clear", vfw_clearrules_handler, 0);
+	mg_set_request_handler(ctx, "/vnf/stats", vfw_stats_handler, 0);
+	mg_set_request_handler(ctx, "/vnf/status", vfw_cmd_ver_handler, 0);
+
+}
+
 cmdline_parse_inst_t cmd_vfw_synproxy = {
        .f = cmd_vfw_synproxy_flag_parsed,
        .data = NULL,
diff --git a/VNFs/vFW/pipeline/pipeline_vfw.h b/VNFs/vFW/pipeline/pipeline_vfw.h
index 3b1b25f0..96e7ad33 100644
--- a/VNFs/vFW/pipeline/pipeline_vfw.h
+++ b/VNFs/vFW/pipeline/pipeline_vfw.h
@@ -30,6 +30,9 @@
 #include "app.h"
 #include "pipeline_vfw_be.h"
 
+#include <civetweb.h>
+#include <json/json.h>
+
 /* VFW IPV4 and IPV6 enable flags for debugging (Default both on) */
 extern int vfw_ipv4_enabled;
 extern int vfw_ipv6_enabled;
@@ -142,4 +145,16 @@ app_pipeline_action_delete(struct app_params *app,
 
 extern struct pipeline_type pipeline_vfw;
 
+#ifdef REST_API_SUPPORT
+/* REST Api's defined here */
+int vfw_rules_handler(struct mg_connection *conn, void *cbdata);
+int vfw_load_rules_handler(struct mg_connection *conn, void *cbdata);
+int vfw_clearrules_handler(struct mg_connection *conn, void *cbdata);
+int vfw_stats_handler(struct mg_connection *conn, void *cbdata);
+int vfw_clearstats_handler(__rte_unused struct mg_connection *conn,
+	 __rte_unused void *cbdata);
+int vfw_cmd_ver_handler(struct mg_connection *conn, __rte_unused void *cbdata);
+void rest_api_vfw_init(struct mg_context *ctx, struct app_params *app);
+#endif
+
 #endif
diff --git a/VNFs/vFW/vnf_template.txt b/VNFs/vFW/vnf_template.txt
new file mode 100644
index 00000000..ed8253be
--- /dev/null
+++ b/VNFs/vFW/vnf_template.txt
@@ -0,0 +1,82 @@
+[MASTER]
+type = MASTER
+core = 0
+
+[ARPICMP]
+type = ARPICMP
+core = 1
+pktq_in  = SWQ0
+pktq_out = TXQ0.0 TXQ1.0
+pktq_in_prv =  RXQ0.0
+prv_to_pub_map = (0,1)
+prv_que_handler = (0)
+
+[TIMER]
+type = TIMER
+core = 2
+n_flows = 1048576
+
+[TXRX-BEGIN]
+type = TXRX
+core = 2
+pktq_in  = RXQ0.0 RXQ1.0
+pktq_out = SWQ0 SWQ1 SWQ2
+pipeline_txrx_type = RXRX
+dest_if_offset=176
+
+[TXRX-END]
+type = TXRX
+core = 5
+pktq_in  = SWQ5 SWQ6
+pktq_out = TXQ0.1 TXQ1.1
+pipeline_txrx_type = TXTX
+
+[LOADB]
+type = LOADB
+core = 3
+pktq_in  = SWQ0 SWQ1
+pktq_out = SWQ3 SWQ4
+outport_offset = 136
+phyport_offset = 204
+n_vnf_threads = 1
+prv_que_handler = (0)
+
+[VACL]
+type = ACL
+core = 4
+pktq_in  = SWQ3 SWQ4
+pktq_out = SWQ5 SWQ6
+n_flows = 1000000
+pkt_type = ipv6
+traffic_type = 6
+
+[VCGNAPT]
+type = CGNAPT
+core = 3
+pktq_in = RXQ0.0 RXQ1.0
+pktq_out = TXQ0.1 TXQ1.1 SWQ0
+phyport_offset = 204
+n_flows = 1048576
+key_offset = 192;64
+key_size = 8
+hash_offset = 200;72
+timer_period = 100
+max_clients_per_ip = 65535
+max_port_per_client = 10
+public_ip_port_range = 98103214:(1, 65535)
+vnf_set = (3,4,5)
+pkt_type = ipv4
+cgnapt_meta_offset = 128
+prv_que_handler = (0,)
+
+[VFW]
+type = VFW
+core = s0c4
+pktq_in  = SWQ3 SWQ4
+pktq_out = SWQ7 SWQ8;TXQ0.0 TXQ1.0
+n_rules = 10000
+n_flows = 1000000
+pkt_type = ipv6
+traffic_type = 6
+tcp_time_wait = 10
+