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19 * from this software without specific prior written permission.
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,
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31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 * version: DPDK.L.1.2.3-3
44 #include <sys/queue.h>
47 #include <rte_common.h>
48 #include <rte_byteorder.h>
50 #include <rte_debug.h>
51 #include <rte_cycles.h>
52 #include <rte_memory.h>
53 #include <rte_memcpy.h>
54 #include <rte_memzone.h>
55 #include <rte_launch.h>
56 #include <rte_tailq.h>
58 #include <rte_per_lcore.h>
59 #include <rte_lcore.h>
60 #include <rte_atomic.h>
61 #include <rte_branch_prediction.h>
63 #include <rte_memory.h>
64 #include <rte_mempool.h>
66 #include <rte_interrupts.h>
68 #include <rte_ether.h>
69 #include <rte_ethdev.h>
70 #include <rte_string_fns.h>
74 #define MAX_PKT_RX_FLAGS 11
75 static const char *pkt_rx_flag_names[MAX_PKT_RX_FLAGS] = {
92 print_ether_addr(const char *what, struct ether_addr *eth_addr)
94 printf("%s%02X:%02X:%02X:%02X:%02X:%02X",
96 eth_addr->addr_bytes[0],
97 eth_addr->addr_bytes[1],
98 eth_addr->addr_bytes[2],
99 eth_addr->addr_bytes[3],
100 eth_addr->addr_bytes[4],
101 eth_addr->addr_bytes[5]);
105 * Received a burst of packets.
108 pkt_burst_receive(struct fwd_stream *fs)
110 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
112 struct ether_hdr *eth_hdr;
117 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
120 uint64_t core_cycles;
123 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
124 start_tsc = rte_rdtsc();
128 * Receive a burst of packets.
130 nb_rx = rte_eth_rx_burst(fs->rx_port, fs->rx_queue, pkts_burst,
132 if (unlikely(nb_rx == 0))
135 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS
136 fs->rx_burst_stats.pkt_burst_spread[nb_rx]++;
138 fs->rx_packets += nb_rx;
141 * Dump each received packet if verbose_level > 0.
143 if (verbose_level > 0)
144 printf("port %u/queue %u: received %u packets\n",
145 (unsigned) fs->rx_port,
146 (unsigned) fs->rx_queue,
148 for (i = 0; i < nb_rx; i++) {
150 if (verbose_level == 0) {
151 rte_pktmbuf_free(mb);
154 eth_hdr = (struct ether_hdr *) mb->pkt.data;
155 eth_type = RTE_BE_TO_CPU_16(eth_hdr->ether_type);
156 ol_flags = mb->ol_flags;
157 print_ether_addr(" src=", ð_hdr->s_addr);
158 print_ether_addr(" - dst=", ð_hdr->d_addr);
159 printf(" - type=0x%04x - length=%u - nb_segs=%d",
160 eth_type, (unsigned) mb->pkt.pkt_len,
161 (int)mb->pkt.nb_segs);
162 if (ol_flags & PKT_RX_RSS_HASH)
163 printf(" - RSS hash=0x%x", (unsigned) mb->pkt.hash.rss);
164 else if (ol_flags & PKT_RX_FDIR)
165 printf(" - FDIR hash=0x%x - FDIR id=0x%x ",
166 mb->pkt.hash.fdir.hash, mb->pkt.hash.fdir.id);
167 if (ol_flags & PKT_RX_VLAN_PKT)
168 printf(" - VLAN tci=0x%x", mb->pkt.vlan_tci);
173 for (rxf = 0; rxf < MAX_PKT_RX_FLAGS; rxf++) {
174 if (ol_flags & (1 << rxf))
175 printf(" PKT_RX_%s\n",
176 pkt_rx_flag_names[rxf]);
179 rte_pktmbuf_free(mb);
182 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
183 end_tsc = rte_rdtsc();
184 core_cycles = (end_tsc - start_tsc);
185 fs->core_cycles = (uint64_t) (fs->core_cycles + core_cycles);
189 struct fwd_engine rx_only_engine = {
190 .fwd_mode_name = "rxonly",
191 .port_fwd_begin = NULL,
192 .port_fwd_end = NULL,
193 .packet_fwd = pkt_burst_receive,