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 VERIFY(exp,fmt,args...) \ 50 if (!(exp)) { \ 51 printf(fmt, ##args); \ 52 return -1; \ 53 } 54 55 56 #define SUBPORT 0 57 #define PIPE 1 58 #define TC 2 59 #define QUEUE 3 60 61 static struct rte_sched_subport_params subport_param[] = { 62 { 63 .tb_rate = 1250000000, 64 .tb_size = 1000000, 65 66 .tc_rate = {1250000000, 1250000000, 1250000000, 1250000000}, 67 .tc_period = 10, 68 }, 69 }; 70 71 static struct rte_sched_pipe_params pipe_profile[] = { 72 { /* Profile #0 */ 73 .tb_rate = 305175, 74 .tb_size = 1000000, 75 76 .tc_rate = {305175, 305175, 305175, 305175}, 77 .tc_period = 40, 78 79 .wrr_weights = {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 80 }, 81 }; 82 83 static struct rte_sched_port_params port_param = { 84 .socket = 0, /* computed */ 85 .rate = 0, /* computed */ 86 .mtu = 1522, 87 .frame_overhead = RTE_SCHED_FRAME_OVERHEAD_DEFAULT, 88 .n_subports_per_port = 1, 89 .n_pipes_per_subport = 4096, 90 .qsize = {64, 64, 64, 64}, 91 .pipe_profiles = pipe_profile, 92 .n_pipe_profiles = 1, 93 }; 94 95 #define NB_MBUF 32 96 #define MAX_PACKET_SZ 2048 97 #define MBUF_SZ (MAX_PACKET_SZ + sizeof(struct rte_mbuf) + RTE_PKTMBUF_HEADROOM) 98 #define PKT_BURST_SZ 32 99 #define MEMPOOL_CACHE_SZ PKT_BURST_SZ 100 #define SOCKET 0 101 102 103 static struct rte_mempool * 104 create_mempool(void) 105 { 106 struct rte_mempool * mp; 107 108 mp = rte_mempool_lookup("test_sched"); 109 if (!mp) 110 mp = rte_mempool_create("test_sched", 111 NB_MBUF, 112 MBUF_SZ, 113 MEMPOOL_CACHE_SZ, 114 sizeof(struct rte_pktmbuf_pool_private), 115 rte_pktmbuf_pool_init, 116 NULL, 117 rte_pktmbuf_init, 118 NULL, 119 SOCKET, 120 0); 121 122 return mp; 123 } 124 125 static void 126 prepare_pkt(struct rte_mbuf *mbuf) 127 { 128 struct ether_hdr *eth_hdr; 129 struct vlan_hdr *vlan1, *vlan2; 130 struct ipv4_hdr *ip_hdr; 131 132 /* Simulate a classifier */ 133 eth_hdr = rte_pktmbuf_mtod(mbuf, struct ether_hdr *); 134 vlan1 = (struct vlan_hdr *)(ð_hdr->ether_type ); 135 vlan2 = (struct vlan_hdr *)((uintptr_t)ð_hdr->ether_type + sizeof(struct vlan_hdr)); 136 eth_hdr = (struct ether_hdr *)((uintptr_t)ð_hdr->ether_type + 2 *sizeof(struct vlan_hdr)); 137 ip_hdr = (struct ipv4_hdr *)((uintptr_t)eth_hdr + sizeof(eth_hdr->ether_type)); 138 139 vlan1->vlan_tci = rte_cpu_to_be_16(SUBPORT); 140 vlan2->vlan_tci = rte_cpu_to_be_16(PIPE); 141 eth_hdr->ether_type = rte_cpu_to_be_16(ETHER_TYPE_IPv4); 142 ip_hdr->dst_addr = IPv4(0,0,TC,QUEUE); 143 144 145 rte_sched_port_pkt_write(mbuf, SUBPORT, PIPE, TC, QUEUE, e_RTE_METER_YELLOW); 146 147 /* 64 byte packet */ 148 mbuf->pkt_len = 60; 149 mbuf->data_len = 60; 150 } 151 152 153 /** 154 * test main entrance for library sched 155 */ 156 static int 157 test_sched(void) 158 { 159 struct rte_mempool *mp = NULL; 160 struct rte_sched_port *port = NULL; 161 uint32_t pipe; 162 struct rte_mbuf *in_mbufs[10]; 163 struct rte_mbuf *out_mbufs[10]; 164 int i; 165 166 int err; 167 168 mp = create_mempool(); 169 170 port_param.socket = 0; 171 port_param.rate = (uint64_t) 10000 * 1000 * 1000 / 8; 172 173 port = rte_sched_port_config(&port_param); 174 VERIFY(port != NULL, "Error config sched port\n"); 175 176 177 err = rte_sched_subport_config(port, SUBPORT, subport_param); 178 VERIFY(err == 0, "Error config sched, err=%d\n", err); 179 180 for (pipe = 0; pipe < port_param.n_pipes_per_subport; pipe ++) { 181 err = rte_sched_pipe_config(port, SUBPORT, pipe, 0); 182 VERIFY(err == 0, "Error config sched pipe %u, err=%d\n", pipe, err); 183 } 184 185 for (i = 0; i < 10; i++) { 186 in_mbufs[i] = rte_pktmbuf_alloc(mp); 187 prepare_pkt(in_mbufs[i]); 188 } 189 190 191 err = rte_sched_port_enqueue(port, in_mbufs, 10); 192 VERIFY(err == 10, "Wrong enqueue, err=%d\n", err); 193 194 err = rte_sched_port_dequeue(port, out_mbufs, 10); 195 VERIFY(err == 10, "Wrong dequeue, err=%d\n", err); 196 197 for (i = 0; i < 10; i++) { 198 enum rte_meter_color color; 199 uint32_t subport, traffic_class, queue; 200 201 color = rte_sched_port_pkt_read_color(out_mbufs[i]); 202 VERIFY(color == e_RTE_METER_YELLOW, "Wrong color\n"); 203 204 rte_sched_port_pkt_read_tree_path(out_mbufs[i], 205 &subport, &pipe, &traffic_class, &queue); 206 207 VERIFY(subport == SUBPORT, "Wrong subport\n"); 208 VERIFY(pipe == PIPE, "Wrong pipe\n"); 209 VERIFY(traffic_class == TC, "Wrong traffic_class\n"); 210 VERIFY(queue == QUEUE, "Wrong queue\n"); 211 212 } 213 214 215 struct rte_sched_subport_stats subport_stats; 216 uint32_t tc_ov; 217 rte_sched_subport_read_stats(port, SUBPORT, &subport_stats, &tc_ov); 218 //VERIFY(subport_stats.n_pkts_tc[TC-1] == 10, "Wrong subport stats\n"); 219 220 struct rte_sched_queue_stats queue_stats; 221 uint16_t qlen; 222 rte_sched_queue_read_stats(port, QUEUE, &queue_stats, &qlen); 223 //VERIFY(queue_stats.n_pkts == 10, "Wrong queue stats\n"); 224 225 rte_sched_port_free(port); 226 227 return 0; 228 } 229 230 static struct test_command sched_cmd = { 231 .command = "sched_autotest", 232 .callback = test_sched, 233 }; 234 REGISTER_TEST_COMMAND(sched_cmd); 235