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 MAX_PACKET_SZ 2048 90 #define MBUF_SZ (MAX_PACKET_SZ + sizeof(struct rte_mbuf) + RTE_PKTMBUF_HEADROOM) 91 #define PKT_BURST_SZ 32 92 #define MEMPOOL_CACHE_SZ PKT_BURST_SZ 93 #define SOCKET 0 94 95 96 static struct rte_mempool * 97 create_mempool(void) 98 { 99 struct rte_mempool * mp; 100 101 mp = rte_mempool_lookup("test_sched"); 102 if (!mp) 103 mp = rte_mempool_create("test_sched", 104 NB_MBUF, 105 MBUF_SZ, 106 MEMPOOL_CACHE_SZ, 107 sizeof(struct rte_pktmbuf_pool_private), 108 rte_pktmbuf_pool_init, 109 NULL, 110 rte_pktmbuf_init, 111 NULL, 112 SOCKET, 113 0); 114 115 return mp; 116 } 117 118 static void 119 prepare_pkt(struct rte_mbuf *mbuf) 120 { 121 struct ether_hdr *eth_hdr; 122 struct vlan_hdr *vlan1, *vlan2; 123 struct ipv4_hdr *ip_hdr; 124 125 /* Simulate a classifier */ 126 eth_hdr = rte_pktmbuf_mtod(mbuf, struct ether_hdr *); 127 vlan1 = (struct vlan_hdr *)(ð_hdr->ether_type ); 128 vlan2 = (struct vlan_hdr *)((uintptr_t)ð_hdr->ether_type + sizeof(struct vlan_hdr)); 129 eth_hdr = (struct ether_hdr *)((uintptr_t)ð_hdr->ether_type + 2 *sizeof(struct vlan_hdr)); 130 ip_hdr = (struct ipv4_hdr *)((uintptr_t)eth_hdr + sizeof(eth_hdr->ether_type)); 131 132 vlan1->vlan_tci = rte_cpu_to_be_16(SUBPORT); 133 vlan2->vlan_tci = rte_cpu_to_be_16(PIPE); 134 eth_hdr->ether_type = rte_cpu_to_be_16(ETHER_TYPE_IPv4); 135 ip_hdr->dst_addr = IPv4(0,0,TC,QUEUE); 136 137 138 rte_sched_port_pkt_write(mbuf, SUBPORT, PIPE, TC, QUEUE, e_RTE_METER_YELLOW); 139 140 /* 64 byte packet */ 141 mbuf->pkt_len = 60; 142 mbuf->data_len = 60; 143 } 144 145 146 /** 147 * test main entrance for library sched 148 */ 149 static int 150 test_sched(void) 151 { 152 struct rte_mempool *mp = NULL; 153 struct rte_sched_port *port = NULL; 154 uint32_t pipe; 155 struct rte_mbuf *in_mbufs[10]; 156 struct rte_mbuf *out_mbufs[10]; 157 int i; 158 159 int err; 160 161 mp = create_mempool(); 162 TEST_ASSERT_NOT_NULL(mp, "Error creating mempool\n"); 163 164 port_param.socket = 0; 165 port_param.rate = (uint64_t) 10000 * 1000 * 1000 / 8; 166 167 port = rte_sched_port_config(&port_param); 168 TEST_ASSERT_NOT_NULL(port, "Error config sched port\n"); 169 170 err = rte_sched_subport_config(port, SUBPORT, subport_param); 171 TEST_ASSERT_SUCCESS(err, "Error config sched, err=%d\n", err); 172 173 for (pipe = 0; pipe < port_param.n_pipes_per_subport; pipe ++) { 174 err = rte_sched_pipe_config(port, SUBPORT, pipe, 0); 175 TEST_ASSERT_SUCCESS(err, "Error config sched pipe %u, err=%d\n", pipe, err); 176 } 177 178 for (i = 0; i < 10; i++) { 179 in_mbufs[i] = rte_pktmbuf_alloc(mp); 180 TEST_ASSERT_NOT_NULL(in_mbufs[i], "Packet allocation failed\n"); 181 prepare_pkt(in_mbufs[i]); 182 } 183 184 185 err = rte_sched_port_enqueue(port, in_mbufs, 10); 186 TEST_ASSERT_EQUAL(err, 10, "Wrong enqueue, err=%d\n", err); 187 188 err = rte_sched_port_dequeue(port, out_mbufs, 10); 189 TEST_ASSERT_EQUAL(err, 10, "Wrong dequeue, err=%d\n", err); 190 191 for (i = 0; i < 10; i++) { 192 enum rte_meter_color color; 193 uint32_t subport, traffic_class, queue; 194 195 color = rte_sched_port_pkt_read_color(out_mbufs[i]); 196 TEST_ASSERT_EQUAL(color, e_RTE_METER_YELLOW, "Wrong color\n"); 197 198 rte_sched_port_pkt_read_tree_path(out_mbufs[i], 199 &subport, &pipe, &traffic_class, &queue); 200 201 TEST_ASSERT_EQUAL(subport, SUBPORT, "Wrong subport\n"); 202 TEST_ASSERT_EQUAL(pipe, PIPE, "Wrong pipe\n"); 203 TEST_ASSERT_EQUAL(traffic_class, TC, "Wrong traffic_class\n"); 204 TEST_ASSERT_EQUAL(queue, QUEUE, "Wrong queue\n"); 205 206 } 207 208 209 struct rte_sched_subport_stats subport_stats; 210 uint32_t tc_ov; 211 rte_sched_subport_read_stats(port, SUBPORT, &subport_stats, &tc_ov); 212 #if 0 213 TEST_ASSERT_EQUAL(subport_stats.n_pkts_tc[TC-1], 10, "Wrong subport stats\n"); 214 #endif 215 struct rte_sched_queue_stats queue_stats; 216 uint16_t qlen; 217 rte_sched_queue_read_stats(port, QUEUE, &queue_stats, &qlen); 218 #if 0 219 TEST_ASSERT_EQUAL(queue_stats.n_pkts, 10, "Wrong queue stats\n"); 220 #endif 221 222 rte_sched_port_free(port); 223 224 return 0; 225 } 226 227 static struct test_command sched_cmd = { 228 .command = "sched_autotest", 229 .callback = test_sched, 230 }; 231 REGISTER_TEST_COMMAND(sched_cmd); 232