1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2010-2014 Intel Corporation 3 */ 4 5 #include <stdint.h> 6 #include <memory.h> 7 8 #include <rte_log.h> 9 #include <rte_mbuf.h> 10 #include <rte_debug.h> 11 #include <rte_ethdev.h> 12 #include <rte_mempool.h> 13 #include <rte_sched.h> 14 #include <rte_cycles.h> 15 #include <rte_string_fns.h> 16 #include <rte_cfgfile.h> 17 18 #include "main.h" 19 #include "cfg_file.h" 20 21 uint32_t app_numa_mask = 0; 22 static uint32_t app_inited_port_mask = 0; 23 24 int app_pipe_to_profile[MAX_SCHED_SUBPORTS][MAX_SCHED_PIPES]; 25 26 #define MAX_NAME_LEN 32 27 28 struct ring_conf ring_conf = { 29 .rx_size = APP_RX_DESC_DEFAULT, 30 .ring_size = APP_RING_SIZE, 31 .tx_size = APP_TX_DESC_DEFAULT, 32 }; 33 34 struct burst_conf burst_conf = { 35 .rx_burst = MAX_PKT_RX_BURST, 36 .ring_burst = PKT_ENQUEUE, 37 .qos_dequeue = PKT_DEQUEUE, 38 .tx_burst = MAX_PKT_TX_BURST, 39 }; 40 41 struct ring_thresh rx_thresh = { 42 .pthresh = RX_PTHRESH, 43 .hthresh = RX_HTHRESH, 44 .wthresh = RX_WTHRESH, 45 }; 46 47 struct ring_thresh tx_thresh = { 48 .pthresh = TX_PTHRESH, 49 .hthresh = TX_HTHRESH, 50 .wthresh = TX_WTHRESH, 51 }; 52 53 uint32_t nb_pfc; 54 const char *cfg_profile = NULL; 55 int mp_size = NB_MBUF; 56 struct flow_conf qos_conf[MAX_DATA_STREAMS]; 57 58 static struct rte_eth_conf port_conf = { 59 .rxmode = { 60 .max_rx_pkt_len = ETHER_MAX_LEN, 61 .split_hdr_size = 0, 62 .ignore_offload_bitfield = 1, 63 .offloads = DEV_RX_OFFLOAD_CRC_STRIP, 64 }, 65 .txmode = { 66 .mq_mode = ETH_DCB_NONE, 67 }, 68 }; 69 70 static int 71 app_init_port(uint16_t portid, struct rte_mempool *mp) 72 { 73 int ret; 74 struct rte_eth_link link; 75 struct rte_eth_dev_info dev_info; 76 struct rte_eth_rxconf rx_conf; 77 struct rte_eth_txconf tx_conf; 78 uint16_t rx_size; 79 uint16_t tx_size; 80 struct rte_eth_conf local_port_conf = port_conf; 81 82 /* check if port already initialized (multistream configuration) */ 83 if (app_inited_port_mask & (1u << portid)) 84 return 0; 85 86 rx_conf.rx_thresh.pthresh = rx_thresh.pthresh; 87 rx_conf.rx_thresh.hthresh = rx_thresh.hthresh; 88 rx_conf.rx_thresh.wthresh = rx_thresh.wthresh; 89 rx_conf.rx_free_thresh = 32; 90 rx_conf.rx_drop_en = 0; 91 rx_conf.rx_deferred_start = 0; 92 93 tx_conf.tx_thresh.pthresh = tx_thresh.pthresh; 94 tx_conf.tx_thresh.hthresh = tx_thresh.hthresh; 95 tx_conf.tx_thresh.wthresh = tx_thresh.wthresh; 96 tx_conf.tx_free_thresh = 0; 97 tx_conf.tx_rs_thresh = 0; 98 tx_conf.tx_deferred_start = 0; 99 tx_conf.txq_flags = ETH_TXQ_FLAGS_IGNORE; 100 101 /* init port */ 102 RTE_LOG(INFO, APP, "Initializing port %"PRIu16"... ", portid); 103 fflush(stdout); 104 rte_eth_dev_info_get(portid, &dev_info); 105 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE) 106 local_port_conf.txmode.offloads |= 107 DEV_TX_OFFLOAD_MBUF_FAST_FREE; 108 ret = rte_eth_dev_configure(portid, 1, 1, &local_port_conf); 109 if (ret < 0) 110 rte_exit(EXIT_FAILURE, 111 "Cannot configure device: err=%d, port=%u\n", 112 ret, portid); 113 114 rx_size = ring_conf.rx_size; 115 tx_size = ring_conf.tx_size; 116 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &rx_size, &tx_size); 117 if (ret < 0) 118 rte_exit(EXIT_FAILURE, 119 "rte_eth_dev_adjust_nb_rx_tx_desc: err=%d,port=%u\n", 120 ret, portid); 121 ring_conf.rx_size = rx_size; 122 ring_conf.tx_size = tx_size; 123 124 /* init one RX queue */ 125 fflush(stdout); 126 rx_conf.offloads = local_port_conf.rxmode.offloads; 127 ret = rte_eth_rx_queue_setup(portid, 0, (uint16_t)ring_conf.rx_size, 128 rte_eth_dev_socket_id(portid), &rx_conf, mp); 129 if (ret < 0) 130 rte_exit(EXIT_FAILURE, 131 "rte_eth_tx_queue_setup: err=%d, port=%u\n", 132 ret, portid); 133 134 /* init one TX queue */ 135 fflush(stdout); 136 tx_conf.offloads = local_port_conf.txmode.offloads; 137 ret = rte_eth_tx_queue_setup(portid, 0, 138 (uint16_t)ring_conf.tx_size, rte_eth_dev_socket_id(portid), &tx_conf); 139 if (ret < 0) 140 rte_exit(EXIT_FAILURE, 141 "rte_eth_tx_queue_setup: err=%d, port=%u queue=%d\n", 142 ret, portid, 0); 143 144 /* Start device */ 145 ret = rte_eth_dev_start(portid); 146 if (ret < 0) 147 rte_exit(EXIT_FAILURE, 148 "rte_pmd_port_start: err=%d, port=%u\n", 149 ret, portid); 150 151 printf("done: "); 152 153 /* get link status */ 154 rte_eth_link_get(portid, &link); 155 if (link.link_status) { 156 printf(" Link Up - speed %u Mbps - %s\n", 157 (uint32_t) link.link_speed, 158 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ? 159 ("full-duplex") : ("half-duplex\n")); 160 } else { 161 printf(" Link Down\n"); 162 } 163 rte_eth_promiscuous_enable(portid); 164 165 /* mark port as initialized */ 166 app_inited_port_mask |= 1u << portid; 167 168 return 0; 169 } 170 171 static struct rte_sched_subport_params subport_params[MAX_SCHED_SUBPORTS] = { 172 { 173 .tb_rate = 1250000000, 174 .tb_size = 1000000, 175 176 .tc_rate = {1250000000, 1250000000, 1250000000, 1250000000}, 177 .tc_period = 10, 178 }, 179 }; 180 181 static struct rte_sched_pipe_params pipe_profiles[RTE_SCHED_PIPE_PROFILES_PER_PORT] = { 182 { /* Profile #0 */ 183 .tb_rate = 305175, 184 .tb_size = 1000000, 185 186 .tc_rate = {305175, 305175, 305175, 305175}, 187 .tc_period = 40, 188 #ifdef RTE_SCHED_SUBPORT_TC_OV 189 .tc_ov_weight = 1, 190 #endif 191 192 .wrr_weights = {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 193 }, 194 }; 195 196 struct rte_sched_port_params port_params = { 197 .name = "port_scheduler_0", 198 .socket = 0, /* computed */ 199 .rate = 0, /* computed */ 200 .mtu = 6 + 6 + 4 + 4 + 2 + 1500, 201 .frame_overhead = RTE_SCHED_FRAME_OVERHEAD_DEFAULT, 202 .n_subports_per_port = 1, 203 .n_pipes_per_subport = 4096, 204 .qsize = {64, 64, 64, 64}, 205 .pipe_profiles = pipe_profiles, 206 .n_pipe_profiles = sizeof(pipe_profiles) / sizeof(struct rte_sched_pipe_params), 207 208 #ifdef RTE_SCHED_RED 209 .red_params = { 210 /* Traffic Class 0 Colors Green / Yellow / Red */ 211 [0][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9}, 212 [0][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9}, 213 [0][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9}, 214 215 /* Traffic Class 1 - Colors Green / Yellow / Red */ 216 [1][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9}, 217 [1][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9}, 218 [1][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9}, 219 220 /* Traffic Class 2 - Colors Green / Yellow / Red */ 221 [2][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9}, 222 [2][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9}, 223 [2][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9}, 224 225 /* Traffic Class 3 - Colors Green / Yellow / Red */ 226 [3][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9}, 227 [3][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9}, 228 [3][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9} 229 } 230 #endif /* RTE_SCHED_RED */ 231 }; 232 233 static struct rte_sched_port * 234 app_init_sched_port(uint32_t portid, uint32_t socketid) 235 { 236 static char port_name[32]; /* static as referenced from global port_params*/ 237 struct rte_eth_link link; 238 struct rte_sched_port *port = NULL; 239 uint32_t pipe, subport; 240 int err; 241 242 rte_eth_link_get(portid, &link); 243 244 port_params.socket = socketid; 245 port_params.rate = (uint64_t) link.link_speed * 1000 * 1000 / 8; 246 snprintf(port_name, sizeof(port_name), "port_%d", portid); 247 port_params.name = port_name; 248 249 port = rte_sched_port_config(&port_params); 250 if (port == NULL){ 251 rte_exit(EXIT_FAILURE, "Unable to config sched port\n"); 252 } 253 254 for (subport = 0; subport < port_params.n_subports_per_port; subport ++) { 255 err = rte_sched_subport_config(port, subport, &subport_params[subport]); 256 if (err) { 257 rte_exit(EXIT_FAILURE, "Unable to config sched subport %u, err=%d\n", 258 subport, err); 259 } 260 261 for (pipe = 0; pipe < port_params.n_pipes_per_subport; pipe ++) { 262 if (app_pipe_to_profile[subport][pipe] != -1) { 263 err = rte_sched_pipe_config(port, subport, pipe, 264 app_pipe_to_profile[subport][pipe]); 265 if (err) { 266 rte_exit(EXIT_FAILURE, "Unable to config sched pipe %u " 267 "for profile %d, err=%d\n", pipe, 268 app_pipe_to_profile[subport][pipe], err); 269 } 270 } 271 } 272 } 273 274 return port; 275 } 276 277 static int 278 app_load_cfg_profile(const char *profile) 279 { 280 if (profile == NULL) 281 return 0; 282 struct rte_cfgfile *file = rte_cfgfile_load(profile, 0); 283 if (file == NULL) 284 rte_exit(EXIT_FAILURE, "Cannot load configuration profile %s\n", profile); 285 286 cfg_load_port(file, &port_params); 287 cfg_load_subport(file, subport_params); 288 cfg_load_pipe(file, pipe_profiles); 289 290 rte_cfgfile_close(file); 291 292 return 0; 293 } 294 295 int app_init(void) 296 { 297 uint32_t i; 298 char ring_name[MAX_NAME_LEN]; 299 char pool_name[MAX_NAME_LEN]; 300 301 if (rte_eth_dev_count() == 0) 302 rte_exit(EXIT_FAILURE, "No Ethernet port - bye\n"); 303 304 /* load configuration profile */ 305 if (app_load_cfg_profile(cfg_profile) != 0) 306 rte_exit(EXIT_FAILURE, "Invalid configuration profile\n"); 307 308 /* Initialize each active flow */ 309 for(i = 0; i < nb_pfc; i++) { 310 uint32_t socket = rte_lcore_to_socket_id(qos_conf[i].rx_core); 311 struct rte_ring *ring; 312 313 snprintf(ring_name, MAX_NAME_LEN, "ring-%u-%u", i, qos_conf[i].rx_core); 314 ring = rte_ring_lookup(ring_name); 315 if (ring == NULL) 316 qos_conf[i].rx_ring = rte_ring_create(ring_name, ring_conf.ring_size, 317 socket, RING_F_SP_ENQ | RING_F_SC_DEQ); 318 else 319 qos_conf[i].rx_ring = ring; 320 321 snprintf(ring_name, MAX_NAME_LEN, "ring-%u-%u", i, qos_conf[i].tx_core); 322 ring = rte_ring_lookup(ring_name); 323 if (ring == NULL) 324 qos_conf[i].tx_ring = rte_ring_create(ring_name, ring_conf.ring_size, 325 socket, RING_F_SP_ENQ | RING_F_SC_DEQ); 326 else 327 qos_conf[i].tx_ring = ring; 328 329 330 /* create the mbuf pools for each RX Port */ 331 snprintf(pool_name, MAX_NAME_LEN, "mbuf_pool%u", i); 332 qos_conf[i].mbuf_pool = rte_pktmbuf_pool_create(pool_name, 333 mp_size, burst_conf.rx_burst * 4, 0, 334 RTE_MBUF_DEFAULT_BUF_SIZE, 335 rte_eth_dev_socket_id(qos_conf[i].rx_port)); 336 if (qos_conf[i].mbuf_pool == NULL) 337 rte_exit(EXIT_FAILURE, "Cannot init mbuf pool for socket %u\n", i); 338 339 app_init_port(qos_conf[i].rx_port, qos_conf[i].mbuf_pool); 340 app_init_port(qos_conf[i].tx_port, qos_conf[i].mbuf_pool); 341 342 qos_conf[i].sched_port = app_init_sched_port(qos_conf[i].tx_port, socket); 343 } 344 345 RTE_LOG(INFO, APP, "time stamp clock running at %" PRIu64 " Hz\n", 346 rte_get_timer_hz()); 347 348 RTE_LOG(INFO, APP, "Ring sizes: NIC RX = %u, Mempool = %d SW queue = %u," 349 "NIC TX = %u\n", ring_conf.rx_size, mp_size, ring_conf.ring_size, 350 ring_conf.tx_size); 351 352 RTE_LOG(INFO, APP, "Burst sizes: RX read = %hu, RX write = %hu,\n" 353 " Worker read/QoS enqueue = %hu,\n" 354 " QoS dequeue = %hu, Worker write = %hu\n", 355 burst_conf.rx_burst, burst_conf.ring_burst, burst_conf.ring_burst, 356 burst_conf.qos_dequeue, burst_conf.tx_burst); 357 358 RTE_LOG(INFO, APP, "NIC thresholds RX (p = %hhu, h = %hhu, w = %hhu)," 359 "TX (p = %hhu, h = %hhu, w = %hhu)\n", 360 rx_thresh.pthresh, rx_thresh.hthresh, rx_thresh.wthresh, 361 tx_thresh.pthresh, tx_thresh.hthresh, tx_thresh.wthresh); 362 363 return 0; 364 } 365