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 <stdlib.h> 35 #include <stdio.h> 36 #include <string.h> 37 #include <stdint.h> 38 #include <unistd.h> 39 40 #include "test.h" 41 42 #include <rte_cycles.h> 43 #include <rte_ether.h> 44 #include <rte_ip.h> 45 #include <rte_byteorder.h> 46 #include <rte_sched.h> 47 48 49 #define SUBPORT 0 50 #define PIPE 1 51 #define TC 2 52 #define QUEUE 3 53 54 static struct rte_sched_subport_params subport_param[] = { 55 { 56 .tb_rate = 1250000000, 57 .tb_size = 1000000, 58 59 .tc_rate = {1250000000, 1250000000, 1250000000, 1250000000}, 60 .tc_period = 10, 61 }, 62 }; 63 64 static struct rte_sched_pipe_params pipe_profile[] = { 65 { /* Profile #0 */ 66 .tb_rate = 305175, 67 .tb_size = 1000000, 68 69 .tc_rate = {305175, 305175, 305175, 305175}, 70 .tc_period = 40, 71 72 .wrr_weights = {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 73 }, 74 }; 75 76 static struct rte_sched_port_params port_param = { 77 .socket = 0, /* computed */ 78 .rate = 0, /* computed */ 79 .mtu = 1522, 80 .frame_overhead = RTE_SCHED_FRAME_OVERHEAD_DEFAULT, 81 .n_subports_per_port = 1, 82 .n_pipes_per_subport = 4096, 83 .qsize = {64, 64, 64, 64}, 84 .pipe_profiles = pipe_profile, 85 .n_pipe_profiles = 1, 86 }; 87 88 #define NB_MBUF 32 89 #define MBUF_DATA_SZ (2048 + RTE_PKTMBUF_HEADROOM) 90 #define PKT_BURST_SZ 32 91 #define MEMPOOL_CACHE_SZ PKT_BURST_SZ 92 #define SOCKET 0 93 94 95 static struct rte_mempool * 96 create_mempool(void) 97 { 98 struct rte_mempool * mp; 99 100 mp = rte_mempool_lookup("test_sched"); 101 if (!mp) 102 mp = rte_pktmbuf_pool_create("test_sched", NB_MBUF, 103 MEMPOOL_CACHE_SZ, 0, MBUF_DATA_SZ, SOCKET); 104 105 return mp; 106 } 107 108 static void 109 prepare_pkt(struct rte_mbuf *mbuf) 110 { 111 struct ether_hdr *eth_hdr; 112 struct vlan_hdr *vlan1, *vlan2; 113 struct ipv4_hdr *ip_hdr; 114 115 /* Simulate a classifier */ 116 eth_hdr = rte_pktmbuf_mtod(mbuf, struct ether_hdr *); 117 vlan1 = (struct vlan_hdr *)(ð_hdr->ether_type ); 118 vlan2 = (struct vlan_hdr *)((uintptr_t)ð_hdr->ether_type + sizeof(struct vlan_hdr)); 119 eth_hdr = (struct ether_hdr *)((uintptr_t)ð_hdr->ether_type + 2 *sizeof(struct vlan_hdr)); 120 ip_hdr = (struct ipv4_hdr *)((uintptr_t)eth_hdr + sizeof(eth_hdr->ether_type)); 121 122 vlan1->vlan_tci = rte_cpu_to_be_16(SUBPORT); 123 vlan2->vlan_tci = rte_cpu_to_be_16(PIPE); 124 eth_hdr->ether_type = rte_cpu_to_be_16(ETHER_TYPE_IPv4); 125 ip_hdr->dst_addr = IPv4(0,0,TC,QUEUE); 126 127 128 rte_sched_port_pkt_write(mbuf, SUBPORT, PIPE, TC, QUEUE, e_RTE_METER_YELLOW); 129 130 /* 64 byte packet */ 131 mbuf->pkt_len = 60; 132 mbuf->data_len = 60; 133 } 134 135 136 /** 137 * test main entrance for library sched 138 */ 139 static int 140 test_sched(void) 141 { 142 struct rte_mempool *mp = NULL; 143 struct rte_sched_port *port = NULL; 144 uint32_t pipe; 145 struct rte_mbuf *in_mbufs[10]; 146 struct rte_mbuf *out_mbufs[10]; 147 int i; 148 149 int err; 150 151 mp = create_mempool(); 152 TEST_ASSERT_NOT_NULL(mp, "Error creating mempool\n"); 153 154 port_param.socket = 0; 155 port_param.rate = (uint64_t) 10000 * 1000 * 1000 / 8; 156 157 port = rte_sched_port_config(&port_param); 158 TEST_ASSERT_NOT_NULL(port, "Error config sched port\n"); 159 160 err = rte_sched_subport_config(port, SUBPORT, subport_param); 161 TEST_ASSERT_SUCCESS(err, "Error config sched, err=%d\n", err); 162 163 for (pipe = 0; pipe < port_param.n_pipes_per_subport; pipe ++) { 164 err = rte_sched_pipe_config(port, SUBPORT, pipe, 0); 165 TEST_ASSERT_SUCCESS(err, "Error config sched pipe %u, err=%d\n", pipe, err); 166 } 167 168 for (i = 0; i < 10; i++) { 169 in_mbufs[i] = rte_pktmbuf_alloc(mp); 170 TEST_ASSERT_NOT_NULL(in_mbufs[i], "Packet allocation failed\n"); 171 prepare_pkt(in_mbufs[i]); 172 } 173 174 175 err = rte_sched_port_enqueue(port, in_mbufs, 10); 176 TEST_ASSERT_EQUAL(err, 10, "Wrong enqueue, err=%d\n", err); 177 178 err = rte_sched_port_dequeue(port, out_mbufs, 10); 179 TEST_ASSERT_EQUAL(err, 10, "Wrong dequeue, err=%d\n", err); 180 181 for (i = 0; i < 10; i++) { 182 enum rte_meter_color color; 183 uint32_t subport, traffic_class, queue; 184 185 color = rte_sched_port_pkt_read_color(out_mbufs[i]); 186 TEST_ASSERT_EQUAL(color, e_RTE_METER_YELLOW, "Wrong color\n"); 187 188 rte_sched_port_pkt_read_tree_path(out_mbufs[i], 189 &subport, &pipe, &traffic_class, &queue); 190 191 TEST_ASSERT_EQUAL(subport, SUBPORT, "Wrong subport\n"); 192 TEST_ASSERT_EQUAL(pipe, PIPE, "Wrong pipe\n"); 193 TEST_ASSERT_EQUAL(traffic_class, TC, "Wrong traffic_class\n"); 194 TEST_ASSERT_EQUAL(queue, QUEUE, "Wrong queue\n"); 195 196 } 197 198 199 struct rte_sched_subport_stats subport_stats; 200 uint32_t tc_ov; 201 rte_sched_subport_read_stats(port, SUBPORT, &subport_stats, &tc_ov); 202 #if 0 203 TEST_ASSERT_EQUAL(subport_stats.n_pkts_tc[TC-1], 10, "Wrong subport stats\n"); 204 #endif 205 struct rte_sched_queue_stats queue_stats; 206 uint16_t qlen; 207 rte_sched_queue_read_stats(port, QUEUE, &queue_stats, &qlen); 208 #if 0 209 TEST_ASSERT_EQUAL(queue_stats.n_pkts, 10, "Wrong queue stats\n"); 210 #endif 211 212 rte_sched_port_free(port); 213 214 return 0; 215 } 216 217 static struct test_command sched_cmd = { 218 .command = "sched_autotest", 219 .callback = test_sched, 220 }; 221 REGISTER_TEST_COMMAND(sched_cmd); 222