app/testpmd: use SPDX tags in 6WIND copyrighted files

[dpdk.git] / app / test-pmd / icmpecho.c

diff --git a/app/test-pmd/icmpecho.c b/app/test-pmd/icmpecho.c
index 29aef71..55d266d 100644 (file)
--- a/app/test-pmd/icmpecho.c
+++ b/app/test-pmd/icmpecho.c
@@ -1,35 +1,5 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright(c) 2013 6WIND
- *   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 6WIND S.A. 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.
- *
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2013 6WIND S.A.
  */
 
 #include <stdarg.h>
@@ -52,7 +22,6 @@
 #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>
@@ -62,6 +31,7 @@
 #include <rte_ip.h>
 #include <rte_icmp.h>
 #include <rte_string_fns.h>
+#include <rte_flow.h>
 
 #include "testpmd.h"
 
@@ -200,7 +170,7 @@ ip_proto_name(uint16_t ip_proto)
                "OSPFIGP",    /**< OSPFIGP */
 
                "SRPC",       /**< Strite RPC protocol */
-               "LARP",       /**< Locus Address Resoloution */
+               "LARP",       /**< Locus Address Resolution */
                "MTP",        /**< Multicast Transport */
                "AX25",       /**< AX.25 Frames */
                "4IN4",       /**< IP encapsulated in IP */
@@ -282,7 +252,7 @@ ipv4_hdr_cksum(struct ipv4_hdr *ip_h)
         * Compute the sum of successive 16-bit words of the IPv4 header,
         * skipping the checksum field of the header.
         */
-       v16_h = (uint16_t *) ip_h;
+       v16_h = (unaligned_uint16_t *) ip_h;
        ip_cksum = v16_h[0] + v16_h[1] + v16_h[2] + v16_h[3] +
                v16_h[4] + v16_h[6] + v16_h[7] + v16_h[8] + v16_h[9];
 
@@ -297,7 +267,7 @@ ipv4_hdr_cksum(struct ipv4_hdr *ip_h)
        (((rte_be_to_cpu_32((ipv4_addr)) >> 24) & 0x000000FF) == 0xE0)
 
 /*
- * Receive a burst of packets, lookup for ICMP echo requets, and, if any,
+ * Receive a burst of packets, lookup for ICMP echo requests, and, if any,
  * send back ICMP echo replies.
  */
 static void
@@ -311,6 +281,7 @@ reply_to_icmp_echo_rqsts(struct fwd_stream *fs)
        struct ipv4_hdr *ip_h;
        struct icmp_hdr *icmp_h;
        struct ether_addr eth_addr;
+       uint32_t retry;
        uint32_t ip_addr;
        uint16_t nb_rx;
        uint16_t nb_tx;
@@ -346,6 +317,9 @@ reply_to_icmp_echo_rqsts(struct fwd_stream *fs)
        fs->rx_packets += nb_rx;
        nb_replies = 0;
        for (i = 0; i < nb_rx; i++) {
+               if (likely(i < nb_rx - 1))
+                       rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[i + 1],
+                                                      void *));
                pkt = pkts_burst[i];
                eth_h = rte_pktmbuf_mtod(pkt, struct ether_hdr *);
                eth_type = RTE_BE_TO_CPU_16(eth_h->ether_type);
@@ -515,6 +489,20 @@ reply_to_icmp_echo_rqsts(struct fwd_stream *fs)
        if (nb_replies > 0) {
                nb_tx = rte_eth_tx_burst(fs->tx_port, fs->tx_queue, pkts_burst,
                                         nb_replies);
+               /*
+                * Retry if necessary
+                */
+               if (unlikely(nb_tx < nb_replies) && fs->retry_enabled) {
+                       retry = 0;
+                       while (nb_tx < nb_replies &&
+                                       retry++ < burst_tx_retry_num) {
+                               rte_delay_us(burst_tx_delay_time);
+                               nb_tx += rte_eth_tx_burst(fs->tx_port,
+                                               fs->tx_queue,
+                                               &pkts_burst[nb_tx],
+                                               nb_replies - nb_tx);
+                       }
+               }
                fs->tx_packets += nb_tx;
 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS
                fs->tx_burst_stats.pkt_burst_spread[nb_tx]++;