144ba88912
In addition to the packet type returned by the PMD, also display the packet type calculated by parsing the packet in software. This is particularly useful to compare the 2 values. Note: it does not mean that both hw and sw always have to provide the same value, since it depends on what hardware supports. Signed-off-by: Olivier Matz <olivier.matz@6wind.com>
261 lines
7.8 KiB
C
261 lines
7.8 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdarg.h>
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#include <string.h>
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#include <stdio.h>
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#include <errno.h>
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#include <stdint.h>
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#include <unistd.h>
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#include <inttypes.h>
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#include <sys/queue.h>
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#include <sys/stat.h>
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#include <rte_common.h>
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#include <rte_byteorder.h>
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#include <rte_log.h>
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#include <rte_debug.h>
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#include <rte_cycles.h>
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#include <rte_memory.h>
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#include <rte_memcpy.h>
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#include <rte_memzone.h>
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#include <rte_launch.h>
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#include <rte_eal.h>
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#include <rte_per_lcore.h>
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#include <rte_lcore.h>
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#include <rte_atomic.h>
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#include <rte_branch_prediction.h>
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#include <rte_memory.h>
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#include <rte_mempool.h>
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#include <rte_mbuf.h>
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#include <rte_interrupts.h>
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#include <rte_pci.h>
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#include <rte_ether.h>
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#include <rte_ethdev.h>
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#include <rte_string_fns.h>
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#include <rte_ip.h>
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#include <rte_udp.h>
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#include <rte_net.h>
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#include "testpmd.h"
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static inline void
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print_ether_addr(const char *what, struct ether_addr *eth_addr)
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{
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char buf[ETHER_ADDR_FMT_SIZE];
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ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
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printf("%s%s", what, buf);
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}
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/*
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* Received a burst of packets.
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*/
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static void
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pkt_burst_receive(struct fwd_stream *fs)
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{
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struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
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struct rte_mbuf *mb;
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struct ether_hdr *eth_hdr;
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uint16_t eth_type;
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uint64_t ol_flags;
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uint16_t nb_rx;
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uint16_t i, packet_type;
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uint16_t is_encapsulation;
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char buf[256];
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struct rte_net_hdr_lens hdr_lens;
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uint32_t sw_packet_type;
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#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
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uint64_t start_tsc;
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uint64_t end_tsc;
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uint64_t core_cycles;
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#endif
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#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
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start_tsc = rte_rdtsc();
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#endif
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/*
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* Receive a burst of packets.
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*/
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nb_rx = rte_eth_rx_burst(fs->rx_port, fs->rx_queue, pkts_burst,
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nb_pkt_per_burst);
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if (unlikely(nb_rx == 0))
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return;
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#ifdef RTE_TEST_PMD_RECORD_BURST_STATS
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fs->rx_burst_stats.pkt_burst_spread[nb_rx]++;
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#endif
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fs->rx_packets += nb_rx;
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/*
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* Dump each received packet if verbose_level > 0.
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*/
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if (verbose_level > 0)
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printf("port %u/queue %u: received %u packets\n",
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(unsigned) fs->rx_port,
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(unsigned) fs->rx_queue,
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(unsigned) nb_rx);
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for (i = 0; i < nb_rx; i++) {
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mb = pkts_burst[i];
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if (verbose_level == 0) {
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rte_pktmbuf_free(mb);
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continue;
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}
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eth_hdr = rte_pktmbuf_mtod(mb, struct ether_hdr *);
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eth_type = RTE_BE_TO_CPU_16(eth_hdr->ether_type);
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ol_flags = mb->ol_flags;
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packet_type = mb->packet_type;
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is_encapsulation = RTE_ETH_IS_TUNNEL_PKT(packet_type);
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print_ether_addr(" src=", ð_hdr->s_addr);
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print_ether_addr(" - dst=", ð_hdr->d_addr);
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printf(" - type=0x%04x - length=%u - nb_segs=%d",
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eth_type, (unsigned) mb->pkt_len,
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(int)mb->nb_segs);
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if (ol_flags & PKT_RX_RSS_HASH) {
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printf(" - RSS hash=0x%x", (unsigned) mb->hash.rss);
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printf(" - RSS queue=0x%x",(unsigned) fs->rx_queue);
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} else if (ol_flags & PKT_RX_FDIR) {
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printf(" - FDIR matched ");
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if (ol_flags & PKT_RX_FDIR_ID)
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printf("ID=0x%x",
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mb->hash.fdir.hi);
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else if (ol_flags & PKT_RX_FDIR_FLX)
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printf("flex bytes=0x%08x %08x",
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mb->hash.fdir.hi, mb->hash.fdir.lo);
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else
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printf("hash=0x%x ID=0x%x ",
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mb->hash.fdir.hash, mb->hash.fdir.id);
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}
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if (ol_flags & PKT_RX_VLAN_STRIPPED)
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printf(" - VLAN tci=0x%x", mb->vlan_tci);
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if (ol_flags & PKT_RX_QINQ_STRIPPED)
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printf(" - QinQ VLAN tci=0x%x, VLAN tci outer=0x%x",
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mb->vlan_tci, mb->vlan_tci_outer);
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if (mb->packet_type) {
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rte_get_ptype_name(mb->packet_type, buf, sizeof(buf));
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printf(" - hw ptype: %s", buf);
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}
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sw_packet_type = rte_net_get_ptype(mb, &hdr_lens,
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RTE_PTYPE_ALL_MASK);
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rte_get_ptype_name(sw_packet_type, buf, sizeof(buf));
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printf(" - sw ptype: %s", buf);
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if (sw_packet_type & RTE_PTYPE_L2_MASK)
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printf(" - l2_len=%d", hdr_lens.l2_len);
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if (sw_packet_type & RTE_PTYPE_L3_MASK)
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printf(" - l3_len=%d", hdr_lens.l3_len);
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if (sw_packet_type & RTE_PTYPE_L4_MASK)
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printf(" - l4_len=%d", hdr_lens.l4_len);
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if (sw_packet_type & RTE_PTYPE_TUNNEL_MASK)
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printf(" - tunnel_len=%d", hdr_lens.tunnel_len);
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if (sw_packet_type & RTE_PTYPE_INNER_L2_MASK)
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printf(" - inner_l2_len=%d", hdr_lens.inner_l2_len);
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if (sw_packet_type & RTE_PTYPE_INNER_L3_MASK)
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printf(" - inner_l3_len=%d", hdr_lens.inner_l3_len);
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if (sw_packet_type & RTE_PTYPE_INNER_L4_MASK)
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printf(" - inner_l4_len=%d", hdr_lens.inner_l4_len);
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if (is_encapsulation) {
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struct ipv4_hdr *ipv4_hdr;
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struct ipv6_hdr *ipv6_hdr;
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struct udp_hdr *udp_hdr;
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uint8_t l2_len;
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uint8_t l3_len;
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uint8_t l4_len;
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uint8_t l4_proto;
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struct vxlan_hdr *vxlan_hdr;
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l2_len = sizeof(struct ether_hdr);
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/* Do not support ipv4 option field */
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if (RTE_ETH_IS_IPV4_HDR(packet_type)) {
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l3_len = sizeof(struct ipv4_hdr);
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ipv4_hdr = rte_pktmbuf_mtod_offset(mb,
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struct ipv4_hdr *,
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l2_len);
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l4_proto = ipv4_hdr->next_proto_id;
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} else {
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l3_len = sizeof(struct ipv6_hdr);
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ipv6_hdr = rte_pktmbuf_mtod_offset(mb,
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struct ipv6_hdr *,
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l2_len);
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l4_proto = ipv6_hdr->proto;
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}
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if (l4_proto == IPPROTO_UDP) {
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udp_hdr = rte_pktmbuf_mtod_offset(mb,
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struct udp_hdr *,
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l2_len + l3_len);
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l4_len = sizeof(struct udp_hdr);
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vxlan_hdr = rte_pktmbuf_mtod_offset(mb,
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struct vxlan_hdr *,
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l2_len + l3_len + l4_len);
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printf(" - VXLAN packet: packet type =%d, "
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"Destination UDP port =%d, VNI = %d",
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packet_type, RTE_BE_TO_CPU_16(udp_hdr->dst_port),
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rte_be_to_cpu_32(vxlan_hdr->vx_vni) >> 8);
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}
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}
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printf(" - Receive queue=0x%x", (unsigned) fs->rx_queue);
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printf("\n");
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if (ol_flags != 0) {
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unsigned rxf;
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const char *name;
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for (rxf = 0; rxf < sizeof(mb->ol_flags) * 8; rxf++) {
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if ((ol_flags & (1ULL << rxf)) == 0)
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continue;
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name = rte_get_rx_ol_flag_name(1ULL << rxf);
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if (name == NULL)
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continue;
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printf(" %s\n", name);
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}
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}
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rte_pktmbuf_free(mb);
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}
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#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
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end_tsc = rte_rdtsc();
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core_cycles = (end_tsc - start_tsc);
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fs->core_cycles = (uint64_t) (fs->core_cycles + core_cycles);
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#endif
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}
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struct fwd_engine rx_only_engine = {
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.fwd_mode_name = "rxonly",
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.port_fwd_begin = NULL,
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.port_fwd_end = NULL,
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.packet_fwd = pkt_burst_receive,
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};
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