1 /*- 2 * BSD LICENSE 3 * 4 * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * * Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * * Neither the name of Intel Corporation nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #include <stdarg.h> 35 #include <string.h> 36 #include <stdio.h> 37 #include <errno.h> 38 #include <stdint.h> 39 #include <unistd.h> 40 #include <inttypes.h> 41 42 #include <sys/queue.h> 43 #include <sys/stat.h> 44 45 #include <rte_common.h> 46 #include <rte_byteorder.h> 47 #include <rte_log.h> 48 #include <rte_debug.h> 49 #include <rte_cycles.h> 50 #include <rte_memory.h> 51 #include <rte_memcpy.h> 52 #include <rte_memzone.h> 53 #include <rte_launch.h> 54 #include <rte_eal.h> 55 #include <rte_per_lcore.h> 56 #include <rte_lcore.h> 57 #include <rte_atomic.h> 58 #include <rte_branch_prediction.h> 59 #include <rte_memory.h> 60 #include <rte_mempool.h> 61 #include <rte_mbuf.h> 62 #include <rte_interrupts.h> 63 #include <rte_pci.h> 64 #include <rte_ether.h> 65 #include <rte_ethdev.h> 66 #include <rte_string_fns.h> 67 #include <rte_ip.h> 68 #include <rte_udp.h> 69 #include <rte_net.h> 70 71 #include "testpmd.h" 72 73 static inline void 74 print_ether_addr(const char *what, struct ether_addr *eth_addr) 75 { 76 char buf[ETHER_ADDR_FMT_SIZE]; 77 ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr); 78 printf("%s%s", what, buf); 79 } 80 81 /* 82 * Received a burst of packets. 83 */ 84 static void 85 pkt_burst_receive(struct fwd_stream *fs) 86 { 87 struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; 88 struct rte_mbuf *mb; 89 struct ether_hdr *eth_hdr; 90 uint16_t eth_type; 91 uint64_t ol_flags; 92 uint16_t nb_rx; 93 uint16_t i, packet_type; 94 uint16_t is_encapsulation; 95 char buf[256]; 96 struct rte_net_hdr_lens hdr_lens; 97 uint32_t sw_packet_type; 98 99 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES 100 uint64_t start_tsc; 101 uint64_t end_tsc; 102 uint64_t core_cycles; 103 #endif 104 105 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES 106 start_tsc = rte_rdtsc(); 107 #endif 108 109 /* 110 * Receive a burst of packets. 111 */ 112 nb_rx = rte_eth_rx_burst(fs->rx_port, fs->rx_queue, pkts_burst, 113 nb_pkt_per_burst); 114 if (unlikely(nb_rx == 0)) 115 return; 116 117 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS 118 fs->rx_burst_stats.pkt_burst_spread[nb_rx]++; 119 #endif 120 fs->rx_packets += nb_rx; 121 122 /* 123 * Dump each received packet if verbose_level > 0. 124 */ 125 if (verbose_level > 0) 126 printf("port %u/queue %u: received %u packets\n", 127 (unsigned) fs->rx_port, 128 (unsigned) fs->rx_queue, 129 (unsigned) nb_rx); 130 for (i = 0; i < nb_rx; i++) { 131 mb = pkts_burst[i]; 132 if (verbose_level == 0) { 133 rte_pktmbuf_free(mb); 134 continue; 135 } 136 eth_hdr = rte_pktmbuf_mtod(mb, struct ether_hdr *); 137 eth_type = RTE_BE_TO_CPU_16(eth_hdr->ether_type); 138 ol_flags = mb->ol_flags; 139 packet_type = mb->packet_type; 140 is_encapsulation = RTE_ETH_IS_TUNNEL_PKT(packet_type); 141 142 print_ether_addr(" src=", ð_hdr->s_addr); 143 print_ether_addr(" - dst=", ð_hdr->d_addr); 144 printf(" - type=0x%04x - length=%u - nb_segs=%d", 145 eth_type, (unsigned) mb->pkt_len, 146 (int)mb->nb_segs); 147 if (ol_flags & PKT_RX_RSS_HASH) { 148 printf(" - RSS hash=0x%x", (unsigned) mb->hash.rss); 149 printf(" - RSS queue=0x%x",(unsigned) fs->rx_queue); 150 } else if (ol_flags & PKT_RX_FDIR) { 151 printf(" - FDIR matched "); 152 if (ol_flags & PKT_RX_FDIR_ID) 153 printf("ID=0x%x", 154 mb->hash.fdir.hi); 155 else if (ol_flags & PKT_RX_FDIR_FLX) 156 printf("flex bytes=0x%08x %08x", 157 mb->hash.fdir.hi, mb->hash.fdir.lo); 158 else 159 printf("hash=0x%x ID=0x%x ", 160 mb->hash.fdir.hash, mb->hash.fdir.id); 161 } 162 if (ol_flags & PKT_RX_VLAN_STRIPPED) 163 printf(" - VLAN tci=0x%x", mb->vlan_tci); 164 if (ol_flags & PKT_RX_QINQ_STRIPPED) 165 printf(" - QinQ VLAN tci=0x%x, VLAN tci outer=0x%x", 166 mb->vlan_tci, mb->vlan_tci_outer); 167 if (mb->packet_type) { 168 rte_get_ptype_name(mb->packet_type, buf, sizeof(buf)); 169 printf(" - hw ptype: %s", buf); 170 } 171 sw_packet_type = rte_net_get_ptype(mb, &hdr_lens, 172 RTE_PTYPE_ALL_MASK); 173 rte_get_ptype_name(sw_packet_type, buf, sizeof(buf)); 174 printf(" - sw ptype: %s", buf); 175 if (sw_packet_type & RTE_PTYPE_L2_MASK) 176 printf(" - l2_len=%d", hdr_lens.l2_len); 177 if (sw_packet_type & RTE_PTYPE_L3_MASK) 178 printf(" - l3_len=%d", hdr_lens.l3_len); 179 if (sw_packet_type & RTE_PTYPE_L4_MASK) 180 printf(" - l4_len=%d", hdr_lens.l4_len); 181 if (sw_packet_type & RTE_PTYPE_TUNNEL_MASK) 182 printf(" - tunnel_len=%d", hdr_lens.tunnel_len); 183 if (sw_packet_type & RTE_PTYPE_INNER_L2_MASK) 184 printf(" - inner_l2_len=%d", hdr_lens.inner_l2_len); 185 if (sw_packet_type & RTE_PTYPE_INNER_L3_MASK) 186 printf(" - inner_l3_len=%d", hdr_lens.inner_l3_len); 187 if (sw_packet_type & RTE_PTYPE_INNER_L4_MASK) 188 printf(" - inner_l4_len=%d", hdr_lens.inner_l4_len); 189 if (is_encapsulation) { 190 struct ipv4_hdr *ipv4_hdr; 191 struct ipv6_hdr *ipv6_hdr; 192 struct udp_hdr *udp_hdr; 193 uint8_t l2_len; 194 uint8_t l3_len; 195 uint8_t l4_len; 196 uint8_t l4_proto; 197 struct vxlan_hdr *vxlan_hdr; 198 199 l2_len = sizeof(struct ether_hdr); 200 201 /* Do not support ipv4 option field */ 202 if (RTE_ETH_IS_IPV4_HDR(packet_type)) { 203 l3_len = sizeof(struct ipv4_hdr); 204 ipv4_hdr = rte_pktmbuf_mtod_offset(mb, 205 struct ipv4_hdr *, 206 l2_len); 207 l4_proto = ipv4_hdr->next_proto_id; 208 } else { 209 l3_len = sizeof(struct ipv6_hdr); 210 ipv6_hdr = rte_pktmbuf_mtod_offset(mb, 211 struct ipv6_hdr *, 212 l2_len); 213 l4_proto = ipv6_hdr->proto; 214 } 215 if (l4_proto == IPPROTO_UDP) { 216 udp_hdr = rte_pktmbuf_mtod_offset(mb, 217 struct udp_hdr *, 218 l2_len + l3_len); 219 l4_len = sizeof(struct udp_hdr); 220 vxlan_hdr = rte_pktmbuf_mtod_offset(mb, 221 struct vxlan_hdr *, 222 l2_len + l3_len + l4_len); 223 224 printf(" - VXLAN packet: packet type =%d, " 225 "Destination UDP port =%d, VNI = %d", 226 packet_type, RTE_BE_TO_CPU_16(udp_hdr->dst_port), 227 rte_be_to_cpu_32(vxlan_hdr->vx_vni) >> 8); 228 } 229 } 230 printf(" - Receive queue=0x%x", (unsigned) fs->rx_queue); 231 printf("\n"); 232 rte_get_rx_ol_flag_list(mb->ol_flags, buf, sizeof(buf)); 233 printf(" ol_flags: %s\n", buf); 234 rte_pktmbuf_free(mb); 235 } 236 237 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES 238 end_tsc = rte_rdtsc(); 239 core_cycles = (end_tsc - start_tsc); 240 fs->core_cycles = (uint64_t) (fs->core_cycles + core_cycles); 241 #endif 242 } 243 244 struct fwd_engine rx_only_engine = { 245 .fwd_mode_name = "rxonly", 246 .port_fwd_begin = NULL, 247 .port_fwd_end = NULL, 248 .packet_fwd = pkt_burst_receive, 249 }; 250