1 files changed, 51 insertions, 0 deletions
diff --git a/VNFs/DPPD-PROX/handle_tsc.c b/VNFs/DPPD-PROX/handle_tsc.c
new file mode 100644
index 00000000..e686aaa2
--- /dev/null
+++ b/VNFs/DPPD-PROX/handle_tsc.c
@@ -0,0 +1,51 @@
+/*
+// 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 <rte_mbuf.h>
+#include <rte_cycles.h>
+
+#include "task_base.h"
+#include "task_init.h"
+#include "thread_generic.h"
+
+struct task_tsc {
+	struct task_base base;
+};
+
+static int handle_bulk_tsc(struct task_base *tbase, struct rte_mbuf **mbufs, uint16_t n_pkts)
+{
+	struct task_tsc *task = (struct task_tsc *)tbase;
+	const uint64_t rx_tsc = rte_rdtsc();
+
+	for (uint16_t j = 0; j < n_pkts; ++j)
+		mbufs[j]->udata64 = rx_tsc;
+
+	return task->base.tx_pkt(&task->base, mbufs, n_pkts, NULL);
+}
+
+static struct task_init task_init = {
+	.mode_str = "tsc",
+	.init = NULL,
+	.handle = handle_bulk_tsc,
+	.flag_features = TASK_FEATURE_NEVER_DISCARDS|TASK_FEATURE_TXQ_FLAGS_NOOFFLOADS|TASK_FEATURE_TXQ_FLAGS_NOMULTSEGS|TASK_FEATURE_THROUGHPUT_OPT,
+	.size = sizeof(struct task_tsc),
+	.mbuf_size = 2048 + sizeof(struct rte_mbuf) + RTE_PKTMBUF_HEADROOM,
+};
+
+__attribute__((constructor)) static void reg_task_nop(void)
+{
+	reg_task(&task_init);
+}