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/*
// 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)
#if RTE_VERSION >= RTE_VERSION_NUM(20,11,0,0)
memcpy(&mbufs[j]->dynfield1[0], &rx_tsc, sizeof(rx_tsc));
#else
mbufs[j]->udata64 = rx_tsc;
#endif
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_THROUGHPUT_OPT,
.size = sizeof(struct task_tsc),
};
__attribute__((constructor)) static void reg_task_nop(void)
{
reg_task(&task_init);
}
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