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 #if defined(RTE_LIBRTE_SCHED) && defined(RTE_ARCH_X86_64) 43 44 #include <rte_cycles.h> 45 #include <rte_ether.h> 46 #include <rte_ip.h> 47 #include <rte_byteorder.h> 48 #include <rte_sched.h> 49 50 51 #define VERIFY(exp,fmt,args...) \ 52 if (!(exp)) { \ 53 printf(fmt, ##args); \ 54 return -1; \ 55 } 56 57 58 #define SUBPORT 0 59 #define PIPE 1 60 #define TC 2 61 #define QUEUE 3 62 63 static struct rte_sched_subport_params subport_param[] = { 64 { 65 .tb_rate = 1250000000, 66 .tb_size = 1000000, 67 68 .tc_rate = {1250000000, 1250000000, 1250000000, 1250000000}, 69 .tc_period = 10, 70 }, 71 }; 72 73 static struct rte_sched_pipe_params pipe_profile[] = { 74 { /* Profile #0 */ 75 .tb_rate = 305175, 76 .tb_size = 1000000, 77 78 .tc_rate = {305175, 305175, 305175, 305175}, 79 .tc_period = 40, 80 81 .wrr_weights = {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 82 }, 83 }; 84 85 static struct rte_sched_port_params port_param = { 86 .name = "port_0", 87 .socket = 0, /* computed */ 88 .rate = 0, /* computed */ 89 .mtu = 1522, 90 .frame_overhead = RTE_SCHED_FRAME_OVERHEAD_DEFAULT, 91 .n_subports_per_port = 1, 92 .n_pipes_per_subport = 4096, 93 .qsize = {64, 64, 64, 64}, 94 .pipe_profiles = pipe_profile, 95 .n_pipe_profiles = 1, 96 }; 97 98 #define NB_MBUF 32 99 #define MAX_PACKET_SZ 2048 100 #define MBUF_SZ (MAX_PACKET_SZ + sizeof(struct rte_mbuf) + RTE_PKTMBUF_HEADROOM) 101 #define PKT_BURST_SZ 32 102 #define MEMPOOL_CACHE_SZ PKT_BURST_SZ 103 #define SOCKET 0 104 105 106 static struct rte_mempool * 107 create_mempool(void) 108 { 109 struct rte_mempool * mp; 110 111 mp = rte_mempool_lookup("test_sched"); 112 if (!mp) 113 mp = rte_mempool_create("test_sched", 114 NB_MBUF, 115 MBUF_SZ, 116 MEMPOOL_CACHE_SZ, 117 sizeof(struct rte_pktmbuf_pool_private), 118 rte_pktmbuf_pool_init, 119 NULL, 120 rte_pktmbuf_init, 121 NULL, 122 SOCKET, 123 0); 124 125 return mp; 126 } 127 128 static void 129 prepare_pkt(struct rte_mbuf *mbuf) 130 { 131 struct ether_hdr *eth_hdr; 132 struct vlan_hdr *vlan1, *vlan2; 133 struct ipv4_hdr *ip_hdr; 134 135 /* Simulate a classifier */ 136 eth_hdr = rte_pktmbuf_mtod(mbuf, struct ether_hdr *); 137 vlan1 = (struct vlan_hdr *)(ð_hdr->ether_type ); 138 vlan2 = (struct vlan_hdr *)((uintptr_t)ð_hdr->ether_type + sizeof(struct vlan_hdr)); 139 eth_hdr = (struct ether_hdr *)((uintptr_t)ð_hdr->ether_type + 2 *sizeof(struct vlan_hdr)); 140 ip_hdr = (struct ipv4_hdr *)((uintptr_t)eth_hdr + sizeof(eth_hdr->ether_type)); 141 142 vlan1->vlan_tci = rte_cpu_to_be_16(SUBPORT); 143 vlan2->vlan_tci = rte_cpu_to_be_16(PIPE); 144 eth_hdr->ether_type = rte_cpu_to_be_16(ETHER_TYPE_IPv4); 145 ip_hdr->dst_addr = IPv4(0,0,TC,QUEUE); 146 147 148 rte_sched_port_pkt_write(mbuf, SUBPORT, PIPE, TC, QUEUE, e_RTE_METER_YELLOW); 149 150 /* 64 byte packet */ 151 mbuf->pkt.pkt_len = 60; 152 mbuf->pkt.data_len = 60; 153 } 154 155 156 /** 157 * test main entrance for library sched 158 */ 159 int 160 test_sched(void) 161 { 162 struct rte_mempool *mp = NULL; 163 struct rte_sched_port *port = NULL; 164 uint32_t pipe; 165 struct rte_mbuf *in_mbufs[10]; 166 struct rte_mbuf *out_mbufs[10]; 167 int i; 168 169 int err; 170 171 mp = create_mempool(); 172 173 port_param.socket = 0; 174 port_param.rate = (uint64_t) 10000 * 1000 * 1000 / 8; 175 port_param.name = "port_0"; 176 177 port = rte_sched_port_config(&port_param); 178 VERIFY(port != NULL, "Error config sched port\n"); 179 180 181 err = rte_sched_subport_config(port, SUBPORT, subport_param); 182 VERIFY(err == 0, "Error config sched, err=%d\n", err); 183 184 for (pipe = 0; pipe < port_param.n_pipes_per_subport; pipe ++) { 185 err = rte_sched_pipe_config(port, SUBPORT, pipe, 0); 186 VERIFY(err == 0, "Error config sched pipe %u, err=%d\n", pipe, err); 187 } 188 189 for (i = 0; i < 10; i++) { 190 in_mbufs[i] = rte_pktmbuf_alloc(mp); 191 prepare_pkt(in_mbufs[i]); 192 } 193 194 195 err = rte_sched_port_enqueue(port, in_mbufs, 10); 196 VERIFY(err == 10, "Wrong enqueue, err=%d\n", err); 197 198 err = rte_sched_port_dequeue(port, out_mbufs, 10); 199 VERIFY(err == 10, "Wrong dequeue, err=%d\n", err); 200 201 for (i = 0; i < 10; i++) { 202 enum rte_meter_color color; 203 uint32_t subport, traffic_class, queue; 204 205 color = rte_sched_port_pkt_read_color(out_mbufs[i]); 206 VERIFY(color == e_RTE_METER_YELLOW, "Wrong color\n"); 207 208 rte_sched_port_pkt_read_tree_path(out_mbufs[i], 209 &subport, &pipe, &traffic_class, &queue); 210 211 VERIFY(subport == SUBPORT, "Wrong subport\n"); 212 VERIFY(pipe == PIPE, "Wrong pipe\n"); 213 VERIFY(traffic_class == TC, "Wrong traffic_class\n"); 214 VERIFY(queue == QUEUE, "Wrong queue\n"); 215 216 } 217 218 219 struct rte_sched_subport_stats subport_stats; 220 uint32_t tc_ov; 221 rte_sched_subport_read_stats(port, SUBPORT, &subport_stats, &tc_ov); 222 //VERIFY(subport_stats.n_pkts_tc[TC-1] == 10, "Wrong subport stats\n"); 223 224 struct rte_sched_queue_stats queue_stats; 225 uint16_t qlen; 226 rte_sched_queue_read_stats(port, QUEUE, &queue_stats, &qlen); 227 //VERIFY(queue_stats.n_pkts == 10, "Wrong queue stats\n"); 228 229 rte_sched_port_free(port); 230 231 return 0; 232 } 233 234 #else /* RTE_LIBRTE_SCHED */ 235 236 int 237 test_sched(void) 238 { 239 printf("The Scheduler library is not included in this build\n"); 240 return 0; 241 } 242 #endif /* RTE_LIBRTE_SCHED */ 243