1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2010-2014 Intel Corporation 3 */ 4 5 #include <stdarg.h> 6 #include <string.h> 7 #include <stdio.h> 8 #include <errno.h> 9 #include <stdint.h> 10 #include <unistd.h> 11 #include <inttypes.h> 12 13 #include <sys/queue.h> 14 #include <sys/stat.h> 15 16 #include <rte_common.h> 17 #include <rte_byteorder.h> 18 #include <rte_log.h> 19 #include <rte_debug.h> 20 #include <rte_cycles.h> 21 #include <rte_memory.h> 22 #include <rte_memcpy.h> 23 #include <rte_launch.h> 24 #include <rte_eal.h> 25 #include <rte_per_lcore.h> 26 #include <rte_lcore.h> 27 #include <rte_atomic.h> 28 #include <rte_branch_prediction.h> 29 #include <rte_mempool.h> 30 #include <rte_mbuf.h> 31 #include <rte_interrupts.h> 32 #include <rte_pci.h> 33 #include <rte_ether.h> 34 #include <rte_ethdev.h> 35 #include <rte_string_fns.h> 36 #include <rte_ip.h> 37 #include <rte_udp.h> 38 #include <rte_net.h> 39 #include <rte_flow.h> 40 41 #include "testpmd.h" 42 43 static inline void 44 print_ether_addr(const char *what, struct ether_addr *eth_addr) 45 { 46 char buf[ETHER_ADDR_FMT_SIZE]; 47 ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr); 48 printf("%s%s", what, buf); 49 } 50 51 /* 52 * Received a burst of packets. 53 */ 54 static void 55 pkt_burst_receive(struct fwd_stream *fs) 56 { 57 struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; 58 struct rte_mbuf *mb; 59 struct ether_hdr *eth_hdr; 60 uint16_t eth_type; 61 uint64_t ol_flags; 62 uint16_t nb_rx; 63 uint16_t i, packet_type; 64 uint16_t is_encapsulation; 65 char buf[256]; 66 struct rte_net_hdr_lens hdr_lens; 67 uint32_t sw_packet_type; 68 69 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES 70 uint64_t start_tsc; 71 uint64_t end_tsc; 72 uint64_t core_cycles; 73 74 start_tsc = rte_rdtsc(); 75 #endif 76 77 /* 78 * Receive a burst of packets. 79 */ 80 nb_rx = rte_eth_rx_burst(fs->rx_port, fs->rx_queue, pkts_burst, 81 nb_pkt_per_burst); 82 if (unlikely(nb_rx == 0)) 83 return; 84 85 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS 86 fs->rx_burst_stats.pkt_burst_spread[nb_rx]++; 87 #endif 88 fs->rx_packets += nb_rx; 89 90 /* 91 * Dump each received packet if verbose_level > 0. 92 */ 93 if (verbose_level > 0) 94 printf("port %u/queue %u: received %u packets\n", 95 fs->rx_port, 96 (unsigned) fs->rx_queue, 97 (unsigned) nb_rx); 98 for (i = 0; i < nb_rx; i++) { 99 mb = pkts_burst[i]; 100 if (verbose_level == 0) { 101 rte_pktmbuf_free(mb); 102 continue; 103 } 104 eth_hdr = rte_pktmbuf_mtod(mb, struct ether_hdr *); 105 eth_type = RTE_BE_TO_CPU_16(eth_hdr->ether_type); 106 ol_flags = mb->ol_flags; 107 packet_type = mb->packet_type; 108 is_encapsulation = RTE_ETH_IS_TUNNEL_PKT(packet_type); 109 110 print_ether_addr(" src=", ð_hdr->s_addr); 111 print_ether_addr(" - dst=", ð_hdr->d_addr); 112 printf(" - type=0x%04x - length=%u - nb_segs=%d", 113 eth_type, (unsigned) mb->pkt_len, 114 (int)mb->nb_segs); 115 if (ol_flags & PKT_RX_RSS_HASH) { 116 printf(" - RSS hash=0x%x", (unsigned) mb->hash.rss); 117 printf(" - RSS queue=0x%x",(unsigned) fs->rx_queue); 118 } 119 if (ol_flags & PKT_RX_FDIR) { 120 printf(" - FDIR matched "); 121 if (ol_flags & PKT_RX_FDIR_ID) 122 printf("ID=0x%x", 123 mb->hash.fdir.hi); 124 else if (ol_flags & PKT_RX_FDIR_FLX) 125 printf("flex bytes=0x%08x %08x", 126 mb->hash.fdir.hi, mb->hash.fdir.lo); 127 else 128 printf("hash=0x%x ID=0x%x ", 129 mb->hash.fdir.hash, mb->hash.fdir.id); 130 } 131 if (ol_flags & PKT_RX_TIMESTAMP) 132 printf(" - timestamp %"PRIu64" ", mb->timestamp); 133 if (ol_flags & PKT_RX_VLAN_STRIPPED) 134 printf(" - VLAN tci=0x%x", mb->vlan_tci); 135 if (ol_flags & PKT_RX_QINQ_STRIPPED) 136 printf(" - QinQ VLAN tci=0x%x, VLAN tci outer=0x%x", 137 mb->vlan_tci, mb->vlan_tci_outer); 138 if (mb->packet_type) { 139 rte_get_ptype_name(mb->packet_type, buf, sizeof(buf)); 140 printf(" - hw ptype: %s", buf); 141 } 142 sw_packet_type = rte_net_get_ptype(mb, &hdr_lens, 143 RTE_PTYPE_ALL_MASK); 144 rte_get_ptype_name(sw_packet_type, buf, sizeof(buf)); 145 printf(" - sw ptype: %s", buf); 146 if (sw_packet_type & RTE_PTYPE_L2_MASK) 147 printf(" - l2_len=%d", hdr_lens.l2_len); 148 if (sw_packet_type & RTE_PTYPE_L3_MASK) 149 printf(" - l3_len=%d", hdr_lens.l3_len); 150 if (sw_packet_type & RTE_PTYPE_L4_MASK) 151 printf(" - l4_len=%d", hdr_lens.l4_len); 152 if (sw_packet_type & RTE_PTYPE_TUNNEL_MASK) 153 printf(" - tunnel_len=%d", hdr_lens.tunnel_len); 154 if (sw_packet_type & RTE_PTYPE_INNER_L2_MASK) 155 printf(" - inner_l2_len=%d", hdr_lens.inner_l2_len); 156 if (sw_packet_type & RTE_PTYPE_INNER_L3_MASK) 157 printf(" - inner_l3_len=%d", hdr_lens.inner_l3_len); 158 if (sw_packet_type & RTE_PTYPE_INNER_L4_MASK) 159 printf(" - inner_l4_len=%d", hdr_lens.inner_l4_len); 160 if (is_encapsulation) { 161 struct ipv4_hdr *ipv4_hdr; 162 struct ipv6_hdr *ipv6_hdr; 163 struct udp_hdr *udp_hdr; 164 uint8_t l2_len; 165 uint8_t l3_len; 166 uint8_t l4_len; 167 uint8_t l4_proto; 168 struct vxlan_hdr *vxlan_hdr; 169 170 l2_len = sizeof(struct ether_hdr); 171 172 /* Do not support ipv4 option field */ 173 if (RTE_ETH_IS_IPV4_HDR(packet_type)) { 174 l3_len = sizeof(struct ipv4_hdr); 175 ipv4_hdr = rte_pktmbuf_mtod_offset(mb, 176 struct ipv4_hdr *, 177 l2_len); 178 l4_proto = ipv4_hdr->next_proto_id; 179 } else { 180 l3_len = sizeof(struct ipv6_hdr); 181 ipv6_hdr = rte_pktmbuf_mtod_offset(mb, 182 struct ipv6_hdr *, 183 l2_len); 184 l4_proto = ipv6_hdr->proto; 185 } 186 if (l4_proto == IPPROTO_UDP) { 187 udp_hdr = rte_pktmbuf_mtod_offset(mb, 188 struct udp_hdr *, 189 l2_len + l3_len); 190 l4_len = sizeof(struct udp_hdr); 191 vxlan_hdr = rte_pktmbuf_mtod_offset(mb, 192 struct vxlan_hdr *, 193 l2_len + l3_len + l4_len); 194 195 printf(" - VXLAN packet: packet type =%d, " 196 "Destination UDP port =%d, VNI = %d", 197 packet_type, RTE_BE_TO_CPU_16(udp_hdr->dst_port), 198 rte_be_to_cpu_32(vxlan_hdr->vx_vni) >> 8); 199 } 200 } 201 printf(" - Receive queue=0x%x", (unsigned) fs->rx_queue); 202 printf("\n"); 203 rte_get_rx_ol_flag_list(mb->ol_flags, buf, sizeof(buf)); 204 printf(" ol_flags: %s\n", buf); 205 rte_pktmbuf_free(mb); 206 } 207 208 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES 209 end_tsc = rte_rdtsc(); 210 core_cycles = (end_tsc - start_tsc); 211 fs->core_cycles = (uint64_t) (fs->core_cycles + core_cycles); 212 #endif 213 } 214 215 struct fwd_engine rx_only_engine = { 216 .fwd_mode_name = "rxonly", 217 .port_fwd_begin = NULL, 218 .port_fwd_end = NULL, 219 .packet_fwd = pkt_burst_receive, 220 }; 221