1 /*- 2 * BSD LICENSE 3 * 4 * Copyright(c) 2010-2013 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 <stdint.h> 35 #include <memory.h> 36 37 #include <rte_log.h> 38 #include <rte_mbuf.h> 39 #include <rte_debug.h> 40 #include <rte_ethdev.h> 41 #include <rte_mempool.h> 42 #include <rte_sched.h> 43 #include <rte_cycles.h> 44 #include <rte_string_fns.h> 45 46 #include "main.h" 47 #include "cfg_file.h" 48 49 uint32_t app_numa_mask = 0; 50 static uint32_t app_inited_port_mask = 0; 51 52 int app_pipe_to_profile[MAX_SCHED_SUBPORTS][MAX_SCHED_PIPES]; 53 54 #define MAX_NAME_LEN 32 55 56 struct ring_conf ring_conf = { 57 .rx_size = APP_RX_DESC_DEFAULT, 58 .ring_size = APP_RING_SIZE, 59 .tx_size = APP_TX_DESC_DEFAULT, 60 }; 61 62 struct burst_conf burst_conf = { 63 .rx_burst = MAX_PKT_RX_BURST, 64 .ring_burst = PKT_ENQUEUE, 65 .qos_dequeue = PKT_DEQUEUE, 66 .tx_burst = MAX_PKT_TX_BURST, 67 }; 68 69 struct ring_thresh rx_thresh = { 70 .pthresh = RX_PTHRESH, 71 .hthresh = RX_HTHRESH, 72 .wthresh = RX_WTHRESH, 73 }; 74 75 struct ring_thresh tx_thresh = { 76 .pthresh = TX_PTHRESH, 77 .hthresh = TX_HTHRESH, 78 .wthresh = TX_WTHRESH, 79 }; 80 81 uint32_t nb_pfc; 82 const char *cfg_profile = NULL; 83 int mp_size = NB_MBUF; 84 struct flow_conf qos_conf[MAX_DATA_STREAMS]; 85 86 static const struct rte_eth_conf port_conf = { 87 .rxmode = { 88 .max_rx_pkt_len = ETHER_MAX_LEN, 89 .split_hdr_size = 0, 90 .header_split = 0, /**< Header Split disabled */ 91 .hw_ip_checksum = 0, /**< IP checksum offload disabled */ 92 .hw_vlan_filter = 0, /**< VLAN filtering disabled */ 93 .jumbo_frame = 0, /**< Jumbo Frame Support disabled */ 94 .hw_strip_crc = 0, /**< CRC stripped by hardware */ 95 }, 96 .txmode = { 97 .mq_mode = ETH_DCB_NONE, 98 }, 99 }; 100 101 static int 102 app_init_port(uint8_t portid, struct rte_mempool *mp) 103 { 104 int ret; 105 struct rte_eth_link link; 106 struct rte_eth_rxconf rx_conf; 107 struct rte_eth_txconf tx_conf; 108 109 /* check if port already initialized (multistream configuration) */ 110 if (app_inited_port_mask & (1u << portid)) 111 return 0; 112 113 rx_conf.rx_thresh.pthresh = rx_thresh.pthresh; 114 rx_conf.rx_thresh.hthresh = rx_thresh.hthresh; 115 rx_conf.rx_thresh.wthresh = rx_thresh.wthresh; 116 rx_conf.rx_free_thresh = 32; 117 rx_conf.rx_drop_en = 0; 118 119 tx_conf.tx_thresh.pthresh = tx_thresh.pthresh; 120 tx_conf.tx_thresh.hthresh = tx_thresh.hthresh; 121 tx_conf.tx_thresh.wthresh = tx_thresh.wthresh; 122 tx_conf.tx_free_thresh = 0; 123 tx_conf.tx_rs_thresh = 0; 124 tx_conf.txq_flags = ETH_TXQ_FLAGS_NOMULTSEGS | ETH_TXQ_FLAGS_NOOFFLOADS; 125 126 /* init port */ 127 RTE_LOG(INFO, APP, "Initializing port %hu... ", portid); 128 fflush(stdout); 129 ret = rte_eth_dev_configure(portid, 1, 1, &port_conf); 130 if (ret < 0) 131 rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%hu\n", 132 ret, portid); 133 134 /* init one RX queue */ 135 fflush(stdout); 136 ret = rte_eth_rx_queue_setup(portid, 0, (uint16_t)ring_conf.rx_size, 137 rte_eth_dev_socket_id(portid), &rx_conf, mp); 138 if (ret < 0) 139 rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: err=%d, port=%hu\n", 140 ret, portid); 141 142 /* init one TX queue */ 143 fflush(stdout); 144 ret = rte_eth_tx_queue_setup(portid, 0, 145 (uint16_t)ring_conf.tx_size, rte_eth_dev_socket_id(portid), &tx_conf); 146 if (ret < 0) 147 rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: err=%d, " 148 "port=%hu queue=%d\n", 149 ret, portid, 0); 150 151 /* Start device */ 152 ret = rte_eth_dev_start(portid); 153 if (ret < 0) 154 rte_exit(EXIT_FAILURE, "rte_pmd_port_start: err=%d, port=%hu\n", 155 ret, portid); 156 157 printf("done: "); 158 159 /* get link status */ 160 rte_eth_link_get(portid, &link); 161 if (link.link_status) { 162 printf(" Link Up - speed %u Mbps - %s\n", 163 (uint32_t) link.link_speed, 164 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ? 165 ("full-duplex") : ("half-duplex\n")); 166 } else { 167 printf(" Link Down\n"); 168 } 169 rte_eth_promiscuous_enable(portid); 170 171 /* mark port as initialized */ 172 app_inited_port_mask |= 1u << portid; 173 174 return 0; 175 } 176 177 static struct rte_sched_subport_params subport_params[MAX_SCHED_SUBPORTS] = { 178 { 179 .tb_rate = 1250000000, 180 .tb_size = 1000000, 181 182 .tc_rate = {1250000000, 1250000000, 1250000000, 1250000000}, 183 .tc_period = 10, 184 }, 185 }; 186 187 static struct rte_sched_pipe_params pipe_profiles[RTE_SCHED_PIPE_PROFILES_PER_PORT] = { 188 { /* Profile #0 */ 189 .tb_rate = 305175, 190 .tb_size = 1000000, 191 192 .tc_rate = {305175, 305175, 305175, 305175}, 193 .tc_period = 40, 194 #ifdef RTE_SCHED_SUBPORT_TC_OV 195 .tc_ov_weight = 1, 196 #endif 197 198 .wrr_weights = {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 199 }, 200 }; 201 202 struct rte_sched_port_params port_params = { 203 .name = "port_scheduler_0", 204 .socket = 0, /* computed */ 205 .rate = 0, /* computed */ 206 .mtu = 6 + 6 + 4 + 4 + 2 + 1500, 207 .frame_overhead = RTE_SCHED_FRAME_OVERHEAD_DEFAULT, 208 .n_subports_per_port = 1, 209 .n_pipes_per_subport = 4096, 210 .qsize = {64, 64, 64, 64}, 211 .pipe_profiles = pipe_profiles, 212 .n_pipe_profiles = sizeof(pipe_profiles) / sizeof(struct rte_sched_pipe_params), 213 214 #ifdef RTE_SCHED_RED 215 .red_params = { 216 /* Traffic Class 0 Colors Green / Yellow / Red */ 217 [0][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9}, 218 [0][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9}, 219 [0][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9}, 220 221 /* Traffic Class 1 - Colors Green / Yellow / Red */ 222 [1][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9}, 223 [1][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9}, 224 [1][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9}, 225 226 /* Traffic Class 2 - Colors Green / Yellow / Red */ 227 [2][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9}, 228 [2][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9}, 229 [2][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9}, 230 231 /* Traffic Class 3 - Colors Green / Yellow / Red */ 232 [3][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9}, 233 [3][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9}, 234 [3][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9} 235 } 236 #endif /* RTE_SCHED_RED */ 237 }; 238 239 static struct rte_sched_port * 240 app_init_sched_port(uint32_t portid, uint32_t socketid) 241 { 242 static char port_name[32]; /* static as referenced from global port_params*/ 243 struct rte_eth_link link; 244 struct rte_sched_port *port = NULL; 245 uint32_t pipe, subport; 246 int err; 247 248 rte_eth_link_get((uint8_t)portid, &link); 249 250 port_params.socket = socketid; 251 port_params.rate = (uint64_t) link.link_speed * 1000 * 1000 / 8; 252 rte_snprintf(port_name, sizeof(port_name), "port_%d", portid); 253 port_params.name = port_name; 254 255 port = rte_sched_port_config(&port_params); 256 if (port == NULL){ 257 rte_exit(EXIT_FAILURE, "Unable to config sched port\n"); 258 } 259 260 for (subport = 0; subport < port_params.n_subports_per_port; subport ++) { 261 err = rte_sched_subport_config(port, subport, &subport_params[subport]); 262 if (err) { 263 rte_exit(EXIT_FAILURE, "Unable to config sched subport %u, err=%d\n", 264 subport, err); 265 } 266 267 for (pipe = 0; pipe < port_params.n_pipes_per_subport; pipe ++) { 268 if (app_pipe_to_profile[subport][pipe] != -1) { 269 err = rte_sched_pipe_config(port, subport, pipe, 270 app_pipe_to_profile[subport][pipe]); 271 if (err) { 272 rte_exit(EXIT_FAILURE, "Unable to config sched pipe %u " 273 "for profile %d, err=%d\n", pipe, 274 app_pipe_to_profile[subport][pipe], err); 275 } 276 } 277 } 278 } 279 280 return port; 281 } 282 283 static int 284 app_load_cfg_profile(const char *profile) 285 { 286 if (profile == NULL) 287 return 0; 288 289 struct cfg_file *cfg_file = cfg_load(profile, 0); 290 if (cfg_file == NULL) 291 rte_exit(EXIT_FAILURE, "Cannot load configuration profile %s\n", profile); 292 293 cfg_load_port(cfg_file, &port_params); 294 cfg_load_subport(cfg_file, subport_params); 295 cfg_load_pipe(cfg_file, pipe_profiles); 296 297 cfg_close(cfg_file); 298 299 return 0; 300 } 301 302 int app_init(void) 303 { 304 uint32_t i; 305 char ring_name[MAX_NAME_LEN]; 306 char pool_name[MAX_NAME_LEN]; 307 308 /* init driver(s) */ 309 if (rte_pmd_init_all() < 0) 310 rte_exit(EXIT_FAILURE, "Cannot init PMD\n"); 311 312 if (rte_eal_pci_probe() < 0) 313 rte_exit(EXIT_FAILURE, "Cannot probe PCI\n"); 314 315 if (rte_eth_dev_count() == 0) 316 rte_exit(EXIT_FAILURE, "No Ethernet port - bye\n"); 317 318 /* load configuration profile */ 319 if (app_load_cfg_profile(cfg_profile) != 0) 320 rte_exit(EXIT_FAILURE, "Invalid configuration profile\n"); 321 322 /* Initialize each active flow */ 323 for(i = 0; i < nb_pfc; i++) { 324 uint32_t socket = rte_lcore_to_socket_id(qos_conf[i].rx_core); 325 struct rte_ring *ring; 326 327 rte_snprintf(ring_name, MAX_NAME_LEN, "ring-%u-%u", i, qos_conf[i].rx_core); 328 ring = rte_ring_lookup(ring_name); 329 if (ring == NULL) 330 qos_conf[i].rx_ring = rte_ring_create(ring_name, ring_conf.ring_size, 331 socket, RING_F_SP_ENQ | RING_F_SC_DEQ); 332 else 333 qos_conf[i].rx_ring = ring; 334 335 rte_snprintf(ring_name, MAX_NAME_LEN, "ring-%u-%u", i, qos_conf[i].tx_core); 336 ring = rte_ring_lookup(ring_name); 337 if (ring == NULL) 338 qos_conf[i].tx_ring = rte_ring_create(ring_name, ring_conf.ring_size, 339 socket, RING_F_SP_ENQ | RING_F_SC_DEQ); 340 else 341 qos_conf[i].tx_ring = ring; 342 343 344 /* create the mbuf pools for each RX Port */ 345 rte_snprintf(pool_name, MAX_NAME_LEN, "mbuf_pool%u", i); 346 qos_conf[i].mbuf_pool = rte_mempool_create(pool_name, mp_size, MBUF_SIZE, 347 burst_conf.rx_burst * 4, 348 sizeof(struct rte_pktmbuf_pool_private), 349 rte_pktmbuf_pool_init, NULL, 350 rte_pktmbuf_init, NULL, 351 rte_eth_dev_socket_id(qos_conf[i].rx_port), 352 0); 353 if (qos_conf[i].mbuf_pool == NULL) 354 rte_exit(EXIT_FAILURE, "Cannot init mbuf pool for socket %u\n", i); 355 356 app_init_port(qos_conf[i].rx_port, qos_conf[i].mbuf_pool); 357 app_init_port(qos_conf[i].tx_port, qos_conf[i].mbuf_pool); 358 359 qos_conf[i].sched_port = app_init_sched_port(qos_conf[i].rx_port, socket); 360 } 361 362 RTE_LOG(INFO, APP, "time stamp clock running at %" PRIu64 " Hz\n", 363 rte_get_timer_hz()); 364 365 RTE_LOG(INFO, APP, "Ring sizes: NIC RX = %u, Mempool = %d SW queue = %u," 366 "NIC TX = %u\n", ring_conf.rx_size, mp_size, ring_conf.ring_size, 367 ring_conf.tx_size); 368 369 RTE_LOG(INFO, APP, "Burst sizes: RX read = %hu, RX write = %hu,\n" 370 " Worker read/QoS enqueue = %hu,\n" 371 " QoS dequeue = %hu, Worker write = %hu\n", 372 burst_conf.rx_burst, burst_conf.ring_burst, burst_conf.ring_burst, 373 burst_conf.qos_dequeue, burst_conf.tx_burst); 374 375 RTE_LOG(INFO, APP, "NIC thresholds RX (p = %hhu, h = %hhu, w = %hhu)," 376 "TX (p = %hhu, h = %hhu, w = %hhu)\n", 377 rx_thresh.pthresh, rx_thresh.hthresh, rx_thresh.wthresh, 378 tx_thresh.pthresh, tx_thresh.hthresh, tx_thresh.wthresh); 379 380 return 0; 381 } 382