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42 #include <sys/queue.h>
45 #include <rte_common.h>
46 #include <rte_byteorder.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_tailq.h>
56 #include <rte_per_lcore.h>
57 #include <rte_lcore.h>
58 #include <rte_atomic.h>
59 #include <rte_branch_prediction.h>
61 #include <rte_memory.h>
62 #include <rte_mempool.h>
64 #include <rte_interrupts.h>
66 #include <rte_ether.h>
67 #include <rte_ethdev.h>
68 #include <rte_string_fns.h>
74 #define MAX_PKT_RX_FLAGS 13
75 static const char *pkt_rx_flag_names[MAX_PKT_RX_FLAGS] = {
95 print_ether_addr(const char *what, struct ether_addr *eth_addr)
97 printf("%s%02X:%02X:%02X:%02X:%02X:%02X",
99 eth_addr->addr_bytes[0],
100 eth_addr->addr_bytes[1],
101 eth_addr->addr_bytes[2],
102 eth_addr->addr_bytes[3],
103 eth_addr->addr_bytes[4],
104 eth_addr->addr_bytes[5]);
108 * Received a burst of packets.
111 pkt_burst_receive(struct fwd_stream *fs)
113 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
115 struct ether_hdr *eth_hdr;
119 uint16_t i, packet_type;
120 uint64_t is_encapsulation;
122 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
125 uint64_t core_cycles;
128 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
129 start_tsc = rte_rdtsc();
133 * Receive a burst of packets.
135 nb_rx = rte_eth_rx_burst(fs->rx_port, fs->rx_queue, pkts_burst,
137 if (unlikely(nb_rx == 0))
140 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS
141 fs->rx_burst_stats.pkt_burst_spread[nb_rx]++;
143 fs->rx_packets += nb_rx;
146 * Dump each received packet if verbose_level > 0.
148 if (verbose_level > 0)
149 printf("port %u/queue %u: received %u packets\n",
150 (unsigned) fs->rx_port,
151 (unsigned) fs->rx_queue,
153 for (i = 0; i < nb_rx; i++) {
155 if (verbose_level == 0) {
156 rte_pktmbuf_free(mb);
159 eth_hdr = rte_pktmbuf_mtod(mb, struct ether_hdr *);
160 eth_type = RTE_BE_TO_CPU_16(eth_hdr->ether_type);
161 ol_flags = mb->ol_flags;
162 packet_type = mb->packet_type;
164 is_encapsulation = ol_flags & (PKT_RX_TUNNEL_IPV4_HDR |
165 PKT_RX_TUNNEL_IPV6_HDR);
167 print_ether_addr(" src=", ð_hdr->s_addr);
168 print_ether_addr(" - dst=", ð_hdr->d_addr);
169 printf(" - type=0x%04x - length=%u - nb_segs=%d",
170 eth_type, (unsigned) mb->pkt_len,
172 if (ol_flags & PKT_RX_RSS_HASH) {
173 printf(" - RSS hash=0x%x", (unsigned) mb->hash.rss);
174 printf(" - RSS queue=0x%x",(unsigned) fs->rx_queue);
176 else if (ol_flags & PKT_RX_FDIR)
177 printf(" - FDIR hash=0x%x - FDIR id=0x%x ",
178 mb->hash.fdir.hash, mb->hash.fdir.id);
179 if (ol_flags & PKT_RX_VLAN_PKT)
180 printf(" - VLAN tci=0x%x", mb->vlan_tci);
181 if (is_encapsulation) {
182 struct ipv4_hdr *ipv4_hdr;
183 struct ipv6_hdr *ipv6_hdr;
184 struct udp_hdr *udp_hdr;
189 struct vxlan_hdr *vxlan_hdr;
191 l2_len = sizeof(struct ether_hdr);
193 /* Do not support ipv4 option field */
194 if (ol_flags & PKT_RX_TUNNEL_IPV4_HDR) {
195 l3_len = sizeof(struct ipv4_hdr);
196 ipv4_hdr = (struct ipv4_hdr *) (rte_pktmbuf_mtod(mb,
197 unsigned char *) + l2_len);
198 l4_proto = ipv4_hdr->next_proto_id;
200 l3_len = sizeof(struct ipv6_hdr);
201 ipv6_hdr = (struct ipv6_hdr *) (rte_pktmbuf_mtod(mb,
202 unsigned char *) + l2_len);
203 l4_proto = ipv6_hdr->proto;
205 if (l4_proto == IPPROTO_UDP) {
206 udp_hdr = (struct udp_hdr *) (rte_pktmbuf_mtod(mb,
207 unsigned char *) + l2_len + l3_len);
208 l4_len = sizeof(struct udp_hdr);
209 vxlan_hdr = (struct vxlan_hdr *) (rte_pktmbuf_mtod(mb,
210 unsigned char *) + l2_len + l3_len
213 printf(" - VXLAN packet: packet type =%d, "
214 "Destination UDP port =%d, VNI = %d",
215 packet_type, RTE_BE_TO_CPU_16(udp_hdr->dst_port),
216 rte_be_to_cpu_32(vxlan_hdr->vx_vni) >> 8);
219 printf(" - Receive queue=0x%x", (unsigned) fs->rx_queue);
224 for (rxf = 0; rxf < MAX_PKT_RX_FLAGS; rxf++) {
225 if (ol_flags & (1 << rxf))
226 printf(" PKT_RX_%s\n",
227 pkt_rx_flag_names[rxf]);
230 rte_pktmbuf_free(mb);
233 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
234 end_tsc = rte_rdtsc();
235 core_cycles = (end_tsc - start_tsc);
236 fs->core_cycles = (uint64_t) (fs->core_cycles + core_cycles);
240 struct fwd_engine rx_only_engine = {
241 .fwd_mode_name = "rxonly",
242 .port_fwd_begin = NULL,
243 .port_fwd_end = NULL,
244 .packet_fwd = pkt_burst_receive,