1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(C) 2019 Marvell International Ltd. 3 */ 4 5 #include <stdbool.h> 6 #include <getopt.h> 7 8 #include <rte_cycles.h> 9 #include <rte_ethdev.h> 10 #include <rte_eventdev.h> 11 #include <rte_event_eth_rx_adapter.h> 12 #include <rte_event_eth_tx_adapter.h> 13 #include <rte_lcore.h> 14 #include <rte_spinlock.h> 15 16 #include "l2fwd_common.h" 17 #include "l2fwd_event.h" 18 19 static uint32_t 20 l2fwd_event_device_setup_generic(struct l2fwd_resources *rsrc) 21 { 22 struct l2fwd_event_resources *evt_rsrc = rsrc->evt_rsrc; 23 struct rte_event_dev_config event_d_conf = { 24 .nb_events_limit = 4096, 25 .nb_event_queue_flows = 1024, 26 .nb_event_port_dequeue_depth = 128, 27 .nb_event_port_enqueue_depth = 128 28 }; 29 struct rte_event_dev_info dev_info; 30 const uint8_t event_d_id = 0; /* Always use first event device only */ 31 uint32_t event_queue_cfg = 0; 32 uint16_t ethdev_count = 0; 33 uint16_t num_workers = 0; 34 uint16_t port_id; 35 int ret; 36 37 RTE_ETH_FOREACH_DEV(port_id) { 38 if ((rsrc->enabled_port_mask & (1 << port_id)) == 0) 39 continue; 40 ethdev_count++; 41 } 42 43 /* Event device configurtion */ 44 rte_event_dev_info_get(event_d_id, &dev_info); 45 46 /* Enable implicit release */ 47 if (dev_info.event_dev_cap & RTE_EVENT_DEV_CAP_IMPLICIT_RELEASE_DISABLE) 48 evt_rsrc->disable_implicit_release = 0; 49 50 if (dev_info.event_dev_cap & RTE_EVENT_DEV_CAP_QUEUE_ALL_TYPES) 51 event_queue_cfg |= RTE_EVENT_QUEUE_CFG_ALL_TYPES; 52 53 /* One queue for each ethdev port + one Tx adapter Single link queue. */ 54 event_d_conf.nb_event_queues = ethdev_count + 1; 55 if (dev_info.max_event_queues < event_d_conf.nb_event_queues) 56 event_d_conf.nb_event_queues = dev_info.max_event_queues; 57 58 if (dev_info.max_num_events < event_d_conf.nb_events_limit) 59 event_d_conf.nb_events_limit = dev_info.max_num_events; 60 61 if (dev_info.max_event_queue_flows < event_d_conf.nb_event_queue_flows) 62 event_d_conf.nb_event_queue_flows = 63 dev_info.max_event_queue_flows; 64 65 if (dev_info.max_event_port_dequeue_depth < 66 event_d_conf.nb_event_port_dequeue_depth) 67 event_d_conf.nb_event_port_dequeue_depth = 68 dev_info.max_event_port_dequeue_depth; 69 70 if (dev_info.max_event_port_enqueue_depth < 71 event_d_conf.nb_event_port_enqueue_depth) 72 event_d_conf.nb_event_port_enqueue_depth = 73 dev_info.max_event_port_enqueue_depth; 74 75 /* Ignore Main core and service cores. */ 76 num_workers = rte_lcore_count() - 1 - rte_service_lcore_count(); 77 if (dev_info.max_event_ports < num_workers) 78 num_workers = dev_info.max_event_ports; 79 80 event_d_conf.nb_event_ports = num_workers; 81 evt_rsrc->evp.nb_ports = num_workers; 82 evt_rsrc->evq.nb_queues = event_d_conf.nb_event_queues; 83 84 evt_rsrc->has_burst = !!(dev_info.event_dev_cap & 85 RTE_EVENT_DEV_CAP_BURST_MODE); 86 87 ret = rte_event_dev_configure(event_d_id, &event_d_conf); 88 if (ret < 0) 89 rte_panic("Error in configuring event device\n"); 90 91 evt_rsrc->event_d_id = event_d_id; 92 return event_queue_cfg; 93 } 94 95 static void 96 l2fwd_event_port_setup_generic(struct l2fwd_resources *rsrc) 97 { 98 struct l2fwd_event_resources *evt_rsrc = rsrc->evt_rsrc; 99 uint8_t event_d_id = evt_rsrc->event_d_id; 100 struct rte_event_port_conf event_p_conf = { 101 .dequeue_depth = 32, 102 .enqueue_depth = 32, 103 .new_event_threshold = 4096 104 }; 105 struct rte_event_port_conf def_p_conf; 106 uint8_t event_p_id; 107 int32_t ret; 108 109 evt_rsrc->evp.event_p_id = (uint8_t *)malloc(sizeof(uint8_t) * 110 evt_rsrc->evp.nb_ports); 111 if (!evt_rsrc->evp.event_p_id) 112 rte_panic("No space is available\n"); 113 114 memset(&def_p_conf, 0, sizeof(struct rte_event_port_conf)); 115 ret = rte_event_port_default_conf_get(event_d_id, 0, &def_p_conf); 116 if (ret < 0) 117 rte_panic("Error to get default configuration of event port\n"); 118 119 if (def_p_conf.new_event_threshold < event_p_conf.new_event_threshold) 120 event_p_conf.new_event_threshold = 121 def_p_conf.new_event_threshold; 122 123 if (def_p_conf.dequeue_depth < event_p_conf.dequeue_depth) 124 event_p_conf.dequeue_depth = def_p_conf.dequeue_depth; 125 126 if (def_p_conf.enqueue_depth < event_p_conf.enqueue_depth) 127 event_p_conf.enqueue_depth = def_p_conf.enqueue_depth; 128 129 event_p_conf.event_port_cfg = 0; 130 if (evt_rsrc->disable_implicit_release) 131 event_p_conf.event_port_cfg |= 132 RTE_EVENT_PORT_CFG_DISABLE_IMPL_REL; 133 134 evt_rsrc->deq_depth = def_p_conf.dequeue_depth; 135 136 for (event_p_id = 0; event_p_id < evt_rsrc->evp.nb_ports; 137 event_p_id++) { 138 ret = rte_event_port_setup(event_d_id, event_p_id, 139 &event_p_conf); 140 if (ret < 0) 141 rte_panic("Error in configuring event port %d\n", 142 event_p_id); 143 144 ret = rte_event_port_link(event_d_id, event_p_id, 145 evt_rsrc->evq.event_q_id, 146 NULL, 147 evt_rsrc->evq.nb_queues - 1); 148 if (ret != (evt_rsrc->evq.nb_queues - 1)) 149 rte_panic("Error in linking event port %d to queues\n", 150 event_p_id); 151 evt_rsrc->evp.event_p_id[event_p_id] = event_p_id; 152 } 153 /* init spinlock */ 154 rte_spinlock_init(&evt_rsrc->evp.lock); 155 156 evt_rsrc->def_p_conf = event_p_conf; 157 } 158 159 static void 160 l2fwd_event_queue_setup_generic(struct l2fwd_resources *rsrc, 161 uint32_t event_queue_cfg) 162 { 163 struct l2fwd_event_resources *evt_rsrc = rsrc->evt_rsrc; 164 uint8_t event_d_id = evt_rsrc->event_d_id; 165 struct rte_event_queue_conf event_q_conf = { 166 .nb_atomic_flows = 1024, 167 .nb_atomic_order_sequences = 1024, 168 .event_queue_cfg = event_queue_cfg, 169 .priority = RTE_EVENT_DEV_PRIORITY_NORMAL 170 }; 171 struct rte_event_queue_conf def_q_conf; 172 uint8_t event_q_id; 173 int32_t ret; 174 175 event_q_conf.schedule_type = rsrc->sched_type; 176 evt_rsrc->evq.event_q_id = (uint8_t *)malloc(sizeof(uint8_t) * 177 evt_rsrc->evq.nb_queues); 178 if (!evt_rsrc->evq.event_q_id) 179 rte_panic("Memory allocation failure\n"); 180 181 ret = rte_event_queue_default_conf_get(event_d_id, 0, &def_q_conf); 182 if (ret < 0) 183 rte_panic("Error to get default config of event queue\n"); 184 185 if (def_q_conf.nb_atomic_flows < event_q_conf.nb_atomic_flows) 186 event_q_conf.nb_atomic_flows = def_q_conf.nb_atomic_flows; 187 188 for (event_q_id = 0; event_q_id < (evt_rsrc->evq.nb_queues - 1); 189 event_q_id++) { 190 ret = rte_event_queue_setup(event_d_id, event_q_id, 191 &event_q_conf); 192 if (ret < 0) 193 rte_panic("Error in configuring event queue\n"); 194 evt_rsrc->evq.event_q_id[event_q_id] = event_q_id; 195 } 196 197 event_q_conf.event_queue_cfg |= RTE_EVENT_QUEUE_CFG_SINGLE_LINK; 198 event_q_conf.priority = RTE_EVENT_DEV_PRIORITY_HIGHEST, 199 ret = rte_event_queue_setup(event_d_id, event_q_id, &event_q_conf); 200 if (ret < 0) 201 rte_panic("Error in configuring event queue for Tx adapter\n"); 202 evt_rsrc->evq.event_q_id[event_q_id] = event_q_id; 203 } 204 205 static void 206 l2fwd_rx_tx_adapter_setup_generic(struct l2fwd_resources *rsrc) 207 { 208 struct l2fwd_event_resources *evt_rsrc = rsrc->evt_rsrc; 209 struct rte_event_eth_rx_adapter_queue_conf eth_q_conf; 210 uint8_t event_d_id = evt_rsrc->event_d_id; 211 uint8_t rx_adptr_id = 0; 212 uint8_t tx_adptr_id = 0; 213 uint8_t tx_port_id = 0; 214 uint16_t port_id; 215 uint32_t service_id; 216 int32_t ret, i = 0; 217 218 memset(ð_q_conf, 0, sizeof(eth_q_conf)); 219 eth_q_conf.ev.priority = RTE_EVENT_DEV_PRIORITY_NORMAL; 220 221 /* Rx adapter setup */ 222 evt_rsrc->rx_adptr.nb_rx_adptr = 1; 223 evt_rsrc->rx_adptr.rx_adptr = (uint8_t *)malloc(sizeof(uint8_t) * 224 evt_rsrc->rx_adptr.nb_rx_adptr); 225 if (!evt_rsrc->rx_adptr.rx_adptr) { 226 free(evt_rsrc->evp.event_p_id); 227 free(evt_rsrc->evq.event_q_id); 228 rte_panic("Failed to allocate memery for Rx adapter\n"); 229 } 230 231 ret = rte_event_eth_rx_adapter_create(rx_adptr_id, event_d_id, 232 &evt_rsrc->def_p_conf); 233 if (ret) 234 rte_panic("Failed to create rx adapter\n"); 235 236 /* Configure user requested sched type */ 237 eth_q_conf.ev.sched_type = rsrc->sched_type; 238 RTE_ETH_FOREACH_DEV(port_id) { 239 if ((rsrc->enabled_port_mask & (1 << port_id)) == 0) 240 continue; 241 eth_q_conf.ev.queue_id = evt_rsrc->evq.event_q_id[i]; 242 ret = rte_event_eth_rx_adapter_queue_add(rx_adptr_id, port_id, 243 -1, ð_q_conf); 244 if (ret) 245 rte_panic("Failed to add queues to Rx adapter\n"); 246 if (i < evt_rsrc->evq.nb_queues) 247 i++; 248 } 249 250 ret = rte_event_eth_rx_adapter_service_id_get(rx_adptr_id, &service_id); 251 if (ret != -ESRCH && ret != 0) 252 rte_panic("Error getting the service ID for rx adptr\n"); 253 254 rte_service_runstate_set(service_id, 1); 255 rte_service_set_runstate_mapped_check(service_id, 0); 256 evt_rsrc->rx_adptr.service_id = service_id; 257 258 ret = rte_event_eth_rx_adapter_start(rx_adptr_id); 259 if (ret) 260 rte_panic("Rx adapter[%d] start Failed\n", rx_adptr_id); 261 262 evt_rsrc->rx_adptr.rx_adptr[0] = rx_adptr_id; 263 264 /* Tx adapter setup */ 265 evt_rsrc->tx_adptr.nb_tx_adptr = 1; 266 evt_rsrc->tx_adptr.tx_adptr = (uint8_t *)malloc(sizeof(uint8_t) * 267 evt_rsrc->tx_adptr.nb_tx_adptr); 268 if (!evt_rsrc->tx_adptr.tx_adptr) { 269 free(evt_rsrc->rx_adptr.rx_adptr); 270 free(evt_rsrc->evp.event_p_id); 271 free(evt_rsrc->evq.event_q_id); 272 rte_panic("Failed to allocate memery for Rx adapter\n"); 273 } 274 275 ret = rte_event_eth_tx_adapter_create(tx_adptr_id, event_d_id, 276 &evt_rsrc->def_p_conf); 277 if (ret) 278 rte_panic("Failed to create tx adapter\n"); 279 280 RTE_ETH_FOREACH_DEV(port_id) { 281 if ((rsrc->enabled_port_mask & (1 << port_id)) == 0) 282 continue; 283 ret = rte_event_eth_tx_adapter_queue_add(tx_adptr_id, port_id, 284 -1); 285 if (ret) 286 rte_panic("Failed to add queues to Tx adapter\n"); 287 } 288 289 ret = rte_event_eth_tx_adapter_service_id_get(tx_adptr_id, &service_id); 290 if (ret != -ESRCH && ret != 0) 291 rte_panic("Failed to get Tx adapter service ID\n"); 292 293 rte_service_runstate_set(service_id, 1); 294 rte_service_set_runstate_mapped_check(service_id, 0); 295 evt_rsrc->tx_adptr.service_id = service_id; 296 297 ret = rte_event_eth_tx_adapter_event_port_get(tx_adptr_id, &tx_port_id); 298 if (ret) 299 rte_panic("Failed to get Tx adapter port id: %d\n", ret); 300 301 ret = rte_event_port_link(event_d_id, tx_port_id, 302 &evt_rsrc->evq.event_q_id[ 303 evt_rsrc->evq.nb_queues - 1], 304 NULL, 1); 305 if (ret != 1) 306 rte_panic("Unable to link Tx adapter port to Tx queue:err=%d\n", 307 ret); 308 309 ret = rte_event_eth_tx_adapter_start(tx_adptr_id); 310 if (ret) 311 rte_panic("Tx adapter[%d] start Failed\n", tx_adptr_id); 312 313 evt_rsrc->tx_adptr.tx_adptr[0] = tx_adptr_id; 314 } 315 316 void 317 l2fwd_event_set_generic_ops(struct event_setup_ops *ops) 318 { 319 ops->event_device_setup = l2fwd_event_device_setup_generic; 320 ops->event_queue_setup = l2fwd_event_queue_setup_generic; 321 ops->event_port_setup = l2fwd_event_port_setup_generic; 322 ops->adapter_setup = l2fwd_rx_tx_adapter_setup_generic; 323 } 324