From e6918187568dbd01842d8d1d2c808ce16a894239 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 21 Apr 2024 13:54:28 +0200
Subject: Adding upstream version 18.2.2.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/spdk/dpdk/app/test-pmd/rxonly.c | 88 +++++++++++++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 src/spdk/dpdk/app/test-pmd/rxonly.c

(limited to 'src/spdk/dpdk/app/test-pmd/rxonly.c')

diff --git a/src/spdk/dpdk/app/test-pmd/rxonly.c b/src/spdk/dpdk/app/test-pmd/rxonly.c
new file mode 100644
index 000000000..5c65fc42d
--- /dev/null
+++ b/src/spdk/dpdk/app/test-pmd/rxonly.c
@@ -0,0 +1,88 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2014 Intel Corporation
+ */
+
+#include <stdarg.h>
+#include <string.h>
+#include <stdio.h>
+#include <errno.h>
+#include <stdint.h>
+#include <unistd.h>
+#include <inttypes.h>
+
+#include <sys/queue.h>
+#include <sys/stat.h>
+
+#include <rte_common.h>
+#include <rte_byteorder.h>
+#include <rte_log.h>
+#include <rte_debug.h>
+#include <rte_cycles.h>
+#include <rte_memory.h>
+#include <rte_memcpy.h>
+#include <rte_launch.h>
+#include <rte_eal.h>
+#include <rte_per_lcore.h>
+#include <rte_lcore.h>
+#include <rte_atomic.h>
+#include <rte_branch_prediction.h>
+#include <rte_mempool.h>
+#include <rte_mbuf.h>
+#include <rte_interrupts.h>
+#include <rte_pci.h>
+#include <rte_ether.h>
+#include <rte_ethdev.h>
+#include <rte_string_fns.h>
+#include <rte_ip.h>
+#include <rte_udp.h>
+#include <rte_net.h>
+#include <rte_flow.h>
+
+#include "testpmd.h"
+
+/*
+ * Received a burst of packets.
+ */
+static void
+pkt_burst_receive(struct fwd_stream *fs)
+{
+	struct rte_mbuf  *pkts_burst[MAX_PKT_BURST];
+	uint16_t nb_rx;
+	uint16_t i;
+
+#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
+	uint64_t start_tsc;
+	uint64_t end_tsc;
+	uint64_t core_cycles;
+
+	start_tsc = rte_rdtsc();
+#endif
+
+	/*
+	 * Receive a burst of packets.
+	 */
+	nb_rx = rte_eth_rx_burst(fs->rx_port, fs->rx_queue, pkts_burst,
+				 nb_pkt_per_burst);
+	if (unlikely(nb_rx == 0))
+		return;
+
+#ifdef RTE_TEST_PMD_RECORD_BURST_STATS
+	fs->rx_burst_stats.pkt_burst_spread[nb_rx]++;
+#endif
+	fs->rx_packets += nb_rx;
+	for (i = 0; i < nb_rx; i++)
+		rte_pktmbuf_free(pkts_burst[i]);
+
+#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
+	end_tsc = rte_rdtsc();
+	core_cycles = (end_tsc - start_tsc);
+	fs->core_cycles = (uint64_t) (fs->core_cycles + core_cycles);
+#endif
+}
+
+struct fwd_engine rx_only_engine = {
+	.fwd_mode_name  = "rxonly",
+	.port_fwd_begin = NULL,
+	.port_fwd_end   = NULL,
+	.packet_fwd     = pkt_burst_receive,
+};
-- 
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