From 97f17497d162afdb82c8704bf097f0fee3724b2e Mon Sep 17 00:00:00 2001
From: "C.J. Collier" <cjcollier@linuxfoundation.org>
Date: Tue, 14 Jun 2016 07:50:17 -0700
Subject: Imported Upstream version 16.04

Change-Id: I77eadcd8538a9122e4773cbe55b24033dc451757
Signed-off-by: C.J. Collier <cjcollier@linuxfoundation.org>
---
 app/test-pmd/macfwd.c | 151 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 151 insertions(+)
 create mode 100644 app/test-pmd/macfwd.c

(limited to 'app/test-pmd/macfwd.c')

diff --git a/app/test-pmd/macfwd.c b/app/test-pmd/macfwd.c
new file mode 100644
index 00000000..3b7fffb7
--- /dev/null
+++ b/app/test-pmd/macfwd.c
@@ -0,0 +1,151 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ *   All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#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_memzone.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_ring.h>
+#include <rte_memory.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_ip.h>
+#include <rte_string_fns.h>
+
+#include "testpmd.h"
+
+/*
+ * Forwarding of packets in MAC mode.
+ * Change the source and the destination Ethernet addressed of packets
+ * before forwarding them.
+ */
+static void
+pkt_burst_mac_forward(struct fwd_stream *fs)
+{
+	struct rte_mbuf  *pkts_burst[MAX_PKT_BURST];
+	struct rte_port  *txp;
+	struct rte_mbuf  *mb;
+	struct ether_hdr *eth_hdr;
+	uint16_t nb_rx;
+	uint16_t nb_tx;
+	uint16_t i;
+	uint64_t ol_flags = 0;
+#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
+	uint64_t start_tsc;
+	uint64_t end_tsc;
+	uint64_t core_cycles;
+#endif
+
+#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
+	start_tsc = rte_rdtsc();
+#endif
+
+	/*
+	 * Receive a burst of packets and forward them.
+	 */
+	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;
+	txp = &ports[fs->tx_port];
+	if (txp->tx_ol_flags & TESTPMD_TX_OFFLOAD_INSERT_VLAN)
+		ol_flags = PKT_TX_VLAN_PKT;
+	if (txp->tx_ol_flags & TESTPMD_TX_OFFLOAD_INSERT_QINQ)
+		ol_flags |= PKT_TX_QINQ_PKT;
+	for (i = 0; i < nb_rx; i++) {
+		mb = pkts_burst[i];
+		eth_hdr = rte_pktmbuf_mtod(mb, struct ether_hdr *);
+		ether_addr_copy(&peer_eth_addrs[fs->peer_addr],
+				&eth_hdr->d_addr);
+		ether_addr_copy(&ports[fs->tx_port].eth_addr,
+				&eth_hdr->s_addr);
+		mb->ol_flags = ol_flags;
+		mb->l2_len = sizeof(struct ether_hdr);
+		mb->l3_len = sizeof(struct ipv4_hdr);
+		mb->vlan_tci = txp->tx_vlan_id;
+		mb->vlan_tci_outer = txp->tx_vlan_id_outer;
+	}
+	nb_tx = rte_eth_tx_burst(fs->tx_port, fs->tx_queue, pkts_burst, nb_rx);
+	fs->tx_packets += nb_tx;
+#ifdef RTE_TEST_PMD_RECORD_BURST_STATS
+	fs->tx_burst_stats.pkt_burst_spread[nb_tx]++;
+#endif
+	if (unlikely(nb_tx < nb_rx)) {
+		fs->fwd_dropped += (nb_rx - nb_tx);
+		do {
+			rte_pktmbuf_free(pkts_burst[nb_tx]);
+		} while (++nb_tx < nb_rx);
+	}
+#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 mac_fwd_engine = {
+	.fwd_mode_name  = "mac",
+	.port_fwd_begin = NULL,
+	.port_fwd_end   = NULL,
+	.packet_fwd     = pkt_burst_mac_forward,
+};
-- 
cgit