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 #include <rte_flow.h> 71 72 #include "testpmd.h" 73 74 static inline void 75 print_ether_addr(const char *what, struct ether_addr *eth_addr) 76 { 77 char buf[ETHER_ADDR_FMT_SIZE]; 78 ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr); 79 printf("%s%s", what, buf); 80 } 81 82 /* 83 * Received a burst of packets. 84 */ 85 static void 86 pkt_burst_receive(struct fwd_stream *fs) 87 { 88 struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; 89 struct rte_mbuf *mb; 90 struct ether_hdr *eth_hdr; 91 uint16_t eth_type; 92 uint64_t ol_flags; 93 uint16_t nb_rx; 94 uint16_t i, packet_type; 95 uint16_t is_encapsulation; 96 char buf[256]; 97 struct rte_net_hdr_lens hdr_lens; 98 uint32_t sw_packet_type; 99 100 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES 101 uint64_t start_tsc; 102 uint64_t end_tsc; 103 uint64_t core_cycles; 104 #endif 105 106 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES 107 start_tsc = rte_rdtsc(); 108 #endif 109 110 /* 111 * Receive a burst of packets. 112 */ 113 nb_rx = rte_eth_rx_burst(fs->rx_port, fs->rx_queue, pkts_burst, 114 nb_pkt_per_burst); 115 if (unlikely(nb_rx == 0)) 116 return; 117 118 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS 119 fs->rx_burst_stats.pkt_burst_spread[nb_rx]++; 120 #endif 121 fs->rx_packets += nb_rx; 122 123 /* 124 * Dump each received packet if verbose_level > 0. 125 */ 126 if (verbose_level > 0) 127 printf("port %u/queue %u: received %u packets\n", 128 (unsigned) fs->rx_port, 129 (unsigned) fs->rx_queue, 130 (unsigned) nb_rx); 131 for (i = 0; i < nb_rx; i++) { 132 mb = pkts_burst[i]; 133 if (verbose_level == 0) { 134 rte_pktmbuf_free(mb); 135 continue; 136 } 137 eth_hdr = rte_pktmbuf_mtod(mb, struct ether_hdr *); 138 eth_type = RTE_BE_TO_CPU_16(eth_hdr->ether_type); 139 ol_flags = mb->ol_flags; 140 packet_type = mb->packet_type; 141 is_encapsulation = RTE_ETH_IS_TUNNEL_PKT(packet_type); 142 143 print_ether_addr(" src=", ð_hdr->s_addr); 144 print_ether_addr(" - dst=", ð_hdr->d_addr); 145 printf(" - type=0x%04x - length=%u - nb_segs=%d", 146 eth_type, (unsigned) mb->pkt_len, 147 (int)mb->nb_segs); 148 if (ol_flags & PKT_RX_RSS_HASH) { 149 printf(" - RSS hash=0x%x", (unsigned) mb->hash.rss); 150 printf(" - RSS queue=0x%x",(unsigned) fs->rx_queue); 151 } else if (ol_flags & PKT_RX_FDIR) { 152 printf(" - FDIR matched "); 153 if (ol_flags & PKT_RX_FDIR_ID) 154 printf("ID=0x%x", 155 mb->hash.fdir.hi); 156 else if (ol_flags & PKT_RX_FDIR_FLX) 157 printf("flex bytes=0x%08x %08x", 158 mb->hash.fdir.hi, mb->hash.fdir.lo); 159 else 160 printf("hash=0x%x ID=0x%x ", 161 mb->hash.fdir.hash, mb->hash.fdir.id); 162 } 163 if (ol_flags & PKT_RX_VLAN_STRIPPED) 164 printf(" - VLAN tci=0x%x", mb->vlan_tci); 165 if (ol_flags & PKT_RX_QINQ_STRIPPED) 166 printf(" - QinQ VLAN tci=0x%x, VLAN tci outer=0x%x", 167 mb->vlan_tci, mb->vlan_tci_outer); 168 if (mb->packet_type) { 169 rte_get_ptype_name(mb->packet_type, buf, sizeof(buf)); 170 printf(" - hw ptype: %s", buf); 171 } 172 sw_packet_type = rte_net_get_ptype(mb, &hdr_lens, 173 RTE_PTYPE_ALL_MASK); 174 rte_get_ptype_name(sw_packet_type, buf, sizeof(buf)); 175 printf(" - sw ptype: %s", buf); 176 if (sw_packet_type & RTE_PTYPE_L2_MASK) 177 printf(" - l2_len=%d", hdr_lens.l2_len); 178 if (sw_packet_type & RTE_PTYPE_L3_MASK) 179 printf(" - l3_len=%d", hdr_lens.l3_len); 180 if (sw_packet_type & RTE_PTYPE_L4_MASK) 181 printf(" - l4_len=%d", hdr_lens.l4_len); 182 if (sw_packet_type & RTE_PTYPE_TUNNEL_MASK) 183 printf(" - tunnel_len=%d", hdr_lens.tunnel_len); 184 if (sw_packet_type & RTE_PTYPE_INNER_L2_MASK) 185 printf(" - inner_l2_len=%d", hdr_lens.inner_l2_len); 186 if (sw_packet_type & RTE_PTYPE_INNER_L3_MASK) 187 printf(" - inner_l3_len=%d", hdr_lens.inner_l3_len); 188 if (sw_packet_type & RTE_PTYPE_INNER_L4_MASK) 189 printf(" - inner_l4_len=%d", hdr_lens.inner_l4_len); 190 if (is_encapsulation) { 191 struct ipv4_hdr *ipv4_hdr; 192 struct ipv6_hdr *ipv6_hdr; 193 struct udp_hdr *udp_hdr; 194 uint8_t l2_len; 195 uint8_t l3_len; 196 uint8_t l4_len; 197 uint8_t l4_proto; 198 struct vxlan_hdr *vxlan_hdr; 199 200 l2_len = sizeof(struct ether_hdr); 201 202 /* Do not support ipv4 option field */ 203 if (RTE_ETH_IS_IPV4_HDR(packet_type)) { 204 l3_len = sizeof(struct ipv4_hdr); 205 ipv4_hdr = rte_pktmbuf_mtod_offset(mb, 206 struct ipv4_hdr *, 207 l2_len); 208 l4_proto = ipv4_hdr->next_proto_id; 209 } else { 210 l3_len = sizeof(struct ipv6_hdr); 211 ipv6_hdr = rte_pktmbuf_mtod_offset(mb, 212 struct ipv6_hdr *, 213 l2_len); 214 l4_proto = ipv6_hdr->proto; 215 } 216 if (l4_proto == IPPROTO_UDP) { 217 udp_hdr = rte_pktmbuf_mtod_offset(mb, 218 struct udp_hdr *, 219 l2_len + l3_len); 220 l4_len = sizeof(struct udp_hdr); 221 vxlan_hdr = rte_pktmbuf_mtod_offset(mb, 222 struct vxlan_hdr *, 223 l2_len + l3_len + l4_len); 224 225 printf(" - VXLAN packet: packet type =%d, " 226 "Destination UDP port =%d, VNI = %d", 227 packet_type, RTE_BE_TO_CPU_16(udp_hdr->dst_port), 228 rte_be_to_cpu_32(vxlan_hdr->vx_vni) >> 8); 229 } 230 } 231 printf(" - Receive queue=0x%x", (unsigned) fs->rx_queue); 232 printf("\n"); 233 rte_get_rx_ol_flag_list(mb->ol_flags, buf, sizeof(buf)); 234 printf(" ol_flags: %s\n", buf); 235 rte_pktmbuf_free(mb); 236 } 237 238 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES 239 end_tsc = rte_rdtsc(); 240 core_cycles = (end_tsc - start_tsc); 241 fs->core_cycles = (uint64_t) (fs->core_cycles + core_cycles); 242 #endif 243 } 244 245 struct fwd_engine rx_only_engine = { 246 .fwd_mode_name = "rxonly", 247 .port_fwd_begin = NULL, 248 .port_fwd_end = NULL, 249 .packet_fwd = pkt_burst_receive, 250 }; 251