1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2010-2014 Intel Corporation 3 */ 4 5 #include <stdint.h> 6 #include <stdlib.h> 7 #include <memory.h> 8 9 #include <rte_log.h> 10 #include <rte_mbuf.h> 11 #include <rte_debug.h> 12 #include <rte_ethdev.h> 13 #include <rte_mempool.h> 14 #include <rte_sched.h> 15 #include <rte_cycles.h> 16 #include <rte_string_fns.h> 17 #include <rte_cfgfile.h> 18 19 #include "main.h" 20 #include "cfg_file.h" 21 22 uint32_t app_numa_mask = 0; 23 static uint32_t app_inited_port_mask = 0; 24 25 int app_pipe_to_profile[MAX_SCHED_SUBPORTS][MAX_SCHED_PIPES]; 26 27 #define MAX_NAME_LEN 32 28 29 struct ring_conf ring_conf = { 30 .rx_size = APP_RX_DESC_DEFAULT, 31 .ring_size = APP_RING_SIZE, 32 .tx_size = APP_TX_DESC_DEFAULT, 33 }; 34 35 struct burst_conf burst_conf = { 36 .rx_burst = MAX_PKT_RX_BURST, 37 .ring_burst = PKT_ENQUEUE, 38 .qos_dequeue = PKT_DEQUEUE, 39 .tx_burst = MAX_PKT_TX_BURST, 40 }; 41 42 struct ring_thresh rx_thresh = { 43 .pthresh = RX_PTHRESH, 44 .hthresh = RX_HTHRESH, 45 .wthresh = RX_WTHRESH, 46 }; 47 48 struct ring_thresh tx_thresh = { 49 .pthresh = TX_PTHRESH, 50 .hthresh = TX_HTHRESH, 51 .wthresh = TX_WTHRESH, 52 }; 53 54 uint32_t nb_pfc; 55 const char *cfg_profile = NULL; 56 int mp_size = NB_MBUF; 57 struct flow_conf qos_conf[MAX_DATA_STREAMS]; 58 59 static struct rte_eth_conf port_conf = { 60 .rxmode = { 61 .split_hdr_size = 0, 62 }, 63 .txmode = { 64 .mq_mode = RTE_ETH_MQ_TX_NONE, 65 }, 66 }; 67 68 static int 69 app_init_port(uint16_t portid, struct rte_mempool *mp) 70 { 71 int ret; 72 struct rte_eth_link link; 73 struct rte_eth_dev_info dev_info; 74 struct rte_eth_rxconf rx_conf; 75 struct rte_eth_txconf tx_conf; 76 uint16_t rx_size; 77 uint16_t tx_size; 78 struct rte_eth_conf local_port_conf = port_conf; 79 char link_status_text[RTE_ETH_LINK_MAX_STR_LEN]; 80 81 /* check if port already initialized (multistream configuration) */ 82 if (app_inited_port_mask & (1u << portid)) 83 return 0; 84 85 rx_conf.rx_thresh.pthresh = rx_thresh.pthresh; 86 rx_conf.rx_thresh.hthresh = rx_thresh.hthresh; 87 rx_conf.rx_thresh.wthresh = rx_thresh.wthresh; 88 rx_conf.rx_free_thresh = 32; 89 rx_conf.rx_drop_en = 0; 90 rx_conf.rx_deferred_start = 0; 91 92 tx_conf.tx_thresh.pthresh = tx_thresh.pthresh; 93 tx_conf.tx_thresh.hthresh = tx_thresh.hthresh; 94 tx_conf.tx_thresh.wthresh = tx_thresh.wthresh; 95 tx_conf.tx_free_thresh = 0; 96 tx_conf.tx_rs_thresh = 0; 97 tx_conf.tx_deferred_start = 0; 98 99 /* init port */ 100 RTE_LOG(INFO, APP, "Initializing port %"PRIu16"... ", portid); 101 fflush(stdout); 102 103 ret = rte_eth_dev_info_get(portid, &dev_info); 104 if (ret != 0) 105 rte_exit(EXIT_FAILURE, 106 "Error during getting device (port %u) info: %s\n", 107 portid, strerror(-ret)); 108 109 if (dev_info.tx_offload_capa & RTE_ETH_TX_OFFLOAD_MBUF_FAST_FREE) 110 local_port_conf.txmode.offloads |= 111 RTE_ETH_TX_OFFLOAD_MBUF_FAST_FREE; 112 ret = rte_eth_dev_configure(portid, 1, 1, &local_port_conf); 113 if (ret < 0) 114 rte_exit(EXIT_FAILURE, 115 "Cannot configure device: err=%d, port=%u\n", 116 ret, portid); 117 118 rx_size = ring_conf.rx_size; 119 tx_size = ring_conf.tx_size; 120 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &rx_size, &tx_size); 121 if (ret < 0) 122 rte_exit(EXIT_FAILURE, 123 "rte_eth_dev_adjust_nb_rx_tx_desc: err=%d,port=%u\n", 124 ret, portid); 125 ring_conf.rx_size = rx_size; 126 ring_conf.tx_size = tx_size; 127 128 /* init one RX queue */ 129 fflush(stdout); 130 rx_conf.offloads = local_port_conf.rxmode.offloads; 131 ret = rte_eth_rx_queue_setup(portid, 0, (uint16_t)ring_conf.rx_size, 132 rte_eth_dev_socket_id(portid), &rx_conf, mp); 133 if (ret < 0) 134 rte_exit(EXIT_FAILURE, 135 "rte_eth_tx_queue_setup: err=%d, port=%u\n", 136 ret, portid); 137 138 /* init one TX queue */ 139 fflush(stdout); 140 tx_conf.offloads = local_port_conf.txmode.offloads; 141 ret = rte_eth_tx_queue_setup(portid, 0, 142 (uint16_t)ring_conf.tx_size, rte_eth_dev_socket_id(portid), &tx_conf); 143 if (ret < 0) 144 rte_exit(EXIT_FAILURE, 145 "rte_eth_tx_queue_setup: err=%d, port=%u queue=%d\n", 146 ret, portid, 0); 147 148 /* Start device */ 149 ret = rte_eth_dev_start(portid); 150 if (ret < 0) 151 rte_exit(EXIT_FAILURE, 152 "rte_pmd_port_start: err=%d, port=%u\n", 153 ret, portid); 154 155 printf("done: "); 156 157 /* get link status */ 158 ret = rte_eth_link_get(portid, &link); 159 if (ret < 0) 160 rte_exit(EXIT_FAILURE, 161 "rte_eth_link_get: err=%d, port=%u: %s\n", 162 ret, portid, rte_strerror(-ret)); 163 164 rte_eth_link_to_str(link_status_text, sizeof(link_status_text), &link); 165 printf("%s\n", link_status_text); 166 167 ret = rte_eth_promiscuous_enable(portid); 168 if (ret != 0) 169 rte_exit(EXIT_FAILURE, 170 "rte_eth_promiscuous_enable: err=%s, port=%u\n", 171 rte_strerror(-ret), portid); 172 173 /* mark port as initialized */ 174 app_inited_port_mask |= 1u << portid; 175 176 return 0; 177 } 178 179 static struct rte_sched_pipe_params pipe_profiles[MAX_SCHED_PIPE_PROFILES] = { 180 { /* Profile #0 */ 181 .tb_rate = 305175, 182 .tb_size = 1000000, 183 184 .tc_rate = {305175, 305175, 305175, 305175, 305175, 305175, 185 305175, 305175, 305175, 305175, 305175, 305175, 305175}, 186 .tc_period = 40, 187 .tc_ov_weight = 1, 188 189 .wrr_weights = {1, 1, 1, 1}, 190 }, 191 }; 192 193 static struct rte_sched_subport_profile_params 194 subport_profile[MAX_SCHED_SUBPORT_PROFILES] = { 195 { 196 .tb_rate = 1250000000, 197 .tb_size = 1000000, 198 .tc_rate = {1250000000, 1250000000, 1250000000, 1250000000, 199 1250000000, 1250000000, 1250000000, 1250000000, 1250000000, 200 1250000000, 1250000000, 1250000000, 1250000000}, 201 .tc_period = 10, 202 }, 203 }; 204 205 struct rte_sched_subport_params subport_params[MAX_SCHED_SUBPORTS] = { 206 { 207 .n_pipes_per_subport_enabled = 4096, 208 .qsize = {64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64}, 209 .pipe_profiles = pipe_profiles, 210 .n_pipe_profiles = sizeof(pipe_profiles) / 211 sizeof(struct rte_sched_pipe_params), 212 .n_max_pipe_profiles = MAX_SCHED_PIPE_PROFILES, 213 .cman_params = NULL, 214 }, 215 }; 216 217 struct rte_sched_port_params port_params = { 218 .name = "port_scheduler_0", 219 .socket = 0, /* computed */ 220 .rate = 0, /* computed */ 221 .mtu = 6 + 6 + 4 + 4 + 2 + 1500, 222 .frame_overhead = RTE_SCHED_FRAME_OVERHEAD_DEFAULT, 223 .n_subports_per_port = 1, 224 .n_subport_profiles = 1, 225 .subport_profiles = subport_profile, 226 .n_max_subport_profiles = MAX_SCHED_SUBPORT_PROFILES, 227 .n_pipes_per_subport = MAX_SCHED_PIPES, 228 }; 229 230 static struct rte_sched_port * 231 app_init_sched_port(uint32_t portid, uint32_t socketid) 232 { 233 static char port_name[32]; /* static as referenced from global port_params*/ 234 struct rte_eth_link link; 235 struct rte_sched_port *port = NULL; 236 uint32_t pipe, subport; 237 int err; 238 239 err = rte_eth_link_get(portid, &link); 240 if (err < 0) 241 rte_exit(EXIT_FAILURE, 242 "rte_eth_link_get: err=%d, port=%u: %s\n", 243 err, portid, rte_strerror(-err)); 244 245 port_params.socket = socketid; 246 port_params.rate = (uint64_t) link.link_speed * 1000 * 1000 / 8; 247 snprintf(port_name, sizeof(port_name), "port_%d", portid); 248 port_params.name = port_name; 249 250 port = rte_sched_port_config(&port_params); 251 if (port == NULL){ 252 rte_exit(EXIT_FAILURE, "Unable to config sched port\n"); 253 } 254 255 for (subport = 0; subport < port_params.n_subports_per_port; subport ++) { 256 err = rte_sched_subport_config(port, subport, 257 &subport_params[subport], 258 0); 259 if (err) { 260 rte_exit(EXIT_FAILURE, "Unable to config sched " 261 "subport %u, err=%d\n", subport, err); 262 } 263 264 uint32_t n_pipes_per_subport = 265 subport_params[subport].n_pipes_per_subport_enabled; 266 267 for (pipe = 0; pipe < 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 struct rte_cfgfile *file = rte_cfgfile_load(profile, 0); 289 if (file == NULL) 290 rte_exit(EXIT_FAILURE, "Cannot load configuration profile %s\n", profile); 291 292 cfg_load_port(file, &port_params); 293 cfg_load_subport(file, subport_params); 294 cfg_load_subport_profile(file, subport_profile); 295 cfg_load_pipe(file, pipe_profiles); 296 297 rte_cfgfile_close(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 if (rte_eth_dev_count_avail() == 0) 309 rte_exit(EXIT_FAILURE, "No Ethernet port - bye\n"); 310 311 /* load configuration profile */ 312 if (app_load_cfg_profile(cfg_profile) != 0) 313 rte_exit(EXIT_FAILURE, "Invalid configuration profile\n"); 314 315 /* Initialize each active flow */ 316 for(i = 0; i < nb_pfc; i++) { 317 uint32_t socket = rte_lcore_to_socket_id(qos_conf[i].rx_core); 318 struct rte_ring *ring; 319 320 snprintf(ring_name, MAX_NAME_LEN, "ring-%u-%u", i, qos_conf[i].rx_core); 321 ring = rte_ring_lookup(ring_name); 322 if (ring == NULL) 323 qos_conf[i].rx_ring = rte_ring_create(ring_name, ring_conf.ring_size, 324 socket, RING_F_SP_ENQ | RING_F_SC_DEQ); 325 else 326 qos_conf[i].rx_ring = ring; 327 328 snprintf(ring_name, MAX_NAME_LEN, "ring-%u-%u", i, qos_conf[i].tx_core); 329 ring = rte_ring_lookup(ring_name); 330 if (ring == NULL) 331 qos_conf[i].tx_ring = rte_ring_create(ring_name, ring_conf.ring_size, 332 socket, RING_F_SP_ENQ | RING_F_SC_DEQ); 333 else 334 qos_conf[i].tx_ring = ring; 335 336 337 /* create the mbuf pools for each RX Port */ 338 snprintf(pool_name, MAX_NAME_LEN, "mbuf_pool%u", i); 339 qos_conf[i].mbuf_pool = rte_pktmbuf_pool_create(pool_name, 340 mp_size, burst_conf.rx_burst * 4, 0, 341 RTE_MBUF_DEFAULT_BUF_SIZE, 342 rte_eth_dev_socket_id(qos_conf[i].rx_port)); 343 if (qos_conf[i].mbuf_pool == NULL) 344 rte_exit(EXIT_FAILURE, "Cannot init mbuf pool for socket %u\n", i); 345 346 app_init_port(qos_conf[i].rx_port, qos_conf[i].mbuf_pool); 347 app_init_port(qos_conf[i].tx_port, qos_conf[i].mbuf_pool); 348 349 qos_conf[i].sched_port = app_init_sched_port(qos_conf[i].tx_port, socket); 350 } 351 352 RTE_LOG(INFO, APP, "time stamp clock running at %" PRIu64 " Hz\n", 353 rte_get_timer_hz()); 354 355 RTE_LOG(INFO, APP, "Ring sizes: NIC RX = %u, Mempool = %d SW queue = %u," 356 "NIC TX = %u\n", ring_conf.rx_size, mp_size, ring_conf.ring_size, 357 ring_conf.tx_size); 358 359 RTE_LOG(INFO, APP, "Burst sizes: RX read = %hu, RX write = %hu,\n" 360 " Worker read/QoS enqueue = %hu,\n" 361 " QoS dequeue = %hu, Worker write = %hu\n", 362 burst_conf.rx_burst, burst_conf.ring_burst, burst_conf.ring_burst, 363 burst_conf.qos_dequeue, burst_conf.tx_burst); 364 365 RTE_LOG(INFO, APP, "NIC thresholds RX (p = %hhu, h = %hhu, w = %hhu)," 366 "TX (p = %hhu, h = %hhu, w = %hhu)\n", 367 rx_thresh.pthresh, rx_thresh.hthresh, rx_thresh.wthresh, 368 tx_thresh.pthresh, tx_thresh.hthresh, tx_thresh.wthresh); 369 370 return 0; 371 } 372