examples/l2fwd-event/l2fwd_event_internal_port.c

   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_internal_port(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         event_d_conf.nb_event_queues = ethdev_count;
  54         if (dev_info.max_event_queues < event_d_conf.nb_event_queues)
  55                 event_d_conf.nb_event_queues = dev_info.max_event_queues;
  56
  57         if (dev_info.max_num_events < event_d_conf.nb_events_limit)
  58                 event_d_conf.nb_events_limit = dev_info.max_num_events;
  59
  60         if (dev_info.max_event_queue_flows < event_d_conf.nb_event_queue_flows)
  61                 event_d_conf.nb_event_queue_flows =
  62                                                 dev_info.max_event_queue_flows;
  63
  64         if (dev_info.max_event_port_dequeue_depth <
  65                                 event_d_conf.nb_event_port_dequeue_depth)
  66                 event_d_conf.nb_event_port_dequeue_depth =
  67                                 dev_info.max_event_port_dequeue_depth;
  68
  69         if (dev_info.max_event_port_enqueue_depth <
  70                                 event_d_conf.nb_event_port_enqueue_depth)
  71                 event_d_conf.nb_event_port_enqueue_depth =
  72                                 dev_info.max_event_port_enqueue_depth;
  73
  74         /* Ignore Master core. */
  75         num_workers = rte_lcore_count() - 1;
  76         if (dev_info.max_event_ports < num_workers)
  77                 num_workers = dev_info.max_event_ports;
  78
  79         event_d_conf.nb_event_ports = num_workers;
  80         evt_rsrc->evp.nb_ports = num_workers;
  81         evt_rsrc->evq.nb_queues = event_d_conf.nb_event_queues;
  82         evt_rsrc->has_burst = !!(dev_info.event_dev_cap &
  83                                     RTE_EVENT_DEV_CAP_BURST_MODE);
  84
  85         ret = rte_event_dev_configure(event_d_id, &event_d_conf);
  86         if (ret < 0)
  87                 rte_panic("Error in configuring event device\n");
  88
  89         evt_rsrc->event_d_id = event_d_id;
  90         return event_queue_cfg;
  91 }
  92
  93 static void
  94 l2fwd_event_port_setup_internal_port(struct l2fwd_resources *rsrc)
  95 {
  96         struct l2fwd_event_resources *evt_rsrc = rsrc->evt_rsrc;
  97         uint8_t event_d_id = evt_rsrc->event_d_id;
  98         struct rte_event_port_conf event_p_conf = {
  99                 .dequeue_depth = 32,
 100                 .enqueue_depth = 32,
 101                 .new_event_threshold = 4096
 102         };
 103         struct rte_event_port_conf def_p_conf;
 104         uint8_t event_p_id;
 105         int32_t ret;
 106
 107         evt_rsrc->evp.event_p_id = (uint8_t *)malloc(sizeof(uint8_t) *
 108                                         evt_rsrc->evp.nb_ports);
 109         if (!evt_rsrc->evp.event_p_id)
 110                 rte_panic("Failed to allocate memory for Event Ports\n");
 111
 112         rte_event_port_default_conf_get(event_d_id, 0, &def_p_conf);
 113         if (def_p_conf.new_event_threshold < event_p_conf.new_event_threshold)
 114                 event_p_conf.new_event_threshold =
 115                                                 def_p_conf.new_event_threshold;
 116
 117         if (def_p_conf.dequeue_depth < event_p_conf.dequeue_depth)
 118                 event_p_conf.dequeue_depth = def_p_conf.dequeue_depth;
 119
 120         if (def_p_conf.enqueue_depth < event_p_conf.enqueue_depth)
 121                 event_p_conf.enqueue_depth = def_p_conf.enqueue_depth;
 122
 123         event_p_conf.disable_implicit_release =
 124                 evt_rsrc->disable_implicit_release;
 125
 126         for (event_p_id = 0; event_p_id < evt_rsrc->evp.nb_ports;
 127                                                                 event_p_id++) {
 128                 ret = rte_event_port_setup(event_d_id, event_p_id,
 129                                            &event_p_conf);
 130                 if (ret < 0)
 131                         rte_panic("Error in configuring event port %d\n",
 132                                   event_p_id);
 133
 134                 ret = rte_event_port_link(event_d_id, event_p_id, NULL,
 135                                           NULL, 0);
 136                 if (ret < 0)
 137                         rte_panic("Error in linking event port %d to queue\n",
 138                                   event_p_id);
 139                 evt_rsrc->evp.event_p_id[event_p_id] = event_p_id;
 140
 141                 /* init spinlock */
 142                 rte_spinlock_init(&evt_rsrc->evp.lock);
 143         }
 144
 145         evt_rsrc->def_p_conf = event_p_conf;
 146 }
 147
 148 static void
 149 l2fwd_event_queue_setup_internal_port(struct l2fwd_resources *rsrc,
 150                                 uint32_t event_queue_cfg)
 151 {
 152         struct l2fwd_event_resources *evt_rsrc = rsrc->evt_rsrc;
 153         uint8_t event_d_id = evt_rsrc->event_d_id;
 154         struct rte_event_queue_conf event_q_conf = {
 155                 .nb_atomic_flows = 1024,
 156                 .nb_atomic_order_sequences = 1024,
 157                 .event_queue_cfg = event_queue_cfg,
 158                 .priority = RTE_EVENT_DEV_PRIORITY_NORMAL
 159         };
 160         struct rte_event_queue_conf def_q_conf;
 161         uint8_t event_q_id = 0;
 162         int32_t ret;
 163
 164         rte_event_queue_default_conf_get(event_d_id, event_q_id, &def_q_conf);
 165
 166         if (def_q_conf.nb_atomic_flows < event_q_conf.nb_atomic_flows)
 167                 event_q_conf.nb_atomic_flows = def_q_conf.nb_atomic_flows;
 168
 169         if (def_q_conf.nb_atomic_order_sequences <
 170                                         event_q_conf.nb_atomic_order_sequences)
 171                 event_q_conf.nb_atomic_order_sequences =
 172                                         def_q_conf.nb_atomic_order_sequences;
 173
 174         event_q_conf.event_queue_cfg = event_queue_cfg;
 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         for (event_q_id = 0; event_q_id < evt_rsrc->evq.nb_queues;
 182                                                                 event_q_id++) {
 183                 ret = rte_event_queue_setup(event_d_id, event_q_id,
 184                                             &event_q_conf);
 185                 if (ret < 0)
 186                         rte_panic("Error in configuring event queue\n");
 187                 evt_rsrc->evq.event_q_id[event_q_id] = event_q_id;
 188         }
 189 }
 190
 191 static void
 192 l2fwd_rx_tx_adapter_setup_internal_port(struct l2fwd_resources *rsrc)
 193 {
 194         struct l2fwd_event_resources *evt_rsrc = rsrc->evt_rsrc;
 195         struct rte_event_eth_rx_adapter_queue_conf eth_q_conf;
 196         uint8_t event_d_id = evt_rsrc->event_d_id;
 197         uint16_t adapter_id = 0;
 198         uint16_t nb_adapter = 0;
 199         uint16_t port_id;
 200         uint8_t q_id = 0;
 201         int ret;
 202
 203         memset(&eth_q_conf, 0, sizeof(eth_q_conf));
 204         eth_q_conf.ev.priority = RTE_EVENT_DEV_PRIORITY_NORMAL;
 205
 206         RTE_ETH_FOREACH_DEV(port_id) {
 207                 if ((rsrc->enabled_port_mask & (1 << port_id)) == 0)
 208                         continue;
 209                 nb_adapter++;
 210         }
 211
 212         evt_rsrc->rx_adptr.nb_rx_adptr = nb_adapter;
 213         evt_rsrc->rx_adptr.rx_adptr = (uint8_t *)malloc(sizeof(uint8_t) *
 214                                         evt_rsrc->rx_adptr.nb_rx_adptr);
 215         if (!evt_rsrc->rx_adptr.rx_adptr) {
 216                 free(evt_rsrc->evp.event_p_id);
 217                 free(evt_rsrc->evq.event_q_id);
 218                 rte_panic("Failed to allocate memery for Rx adapter\n");
 219         }
 220
 221
 222         RTE_ETH_FOREACH_DEV(port_id) {
 223                 if ((rsrc->enabled_port_mask & (1 << port_id)) == 0)
 224                         continue;
 225                 ret = rte_event_eth_rx_adapter_create(adapter_id, event_d_id,
 226                                                 &evt_rsrc->def_p_conf);
 227                 if (ret)
 228                         rte_panic("Failed to create rx adapter[%d]\n",
 229                                   adapter_id);
 230
 231                 /* Configure user requested sched type*/
 232                 eth_q_conf.ev.sched_type = rsrc->sched_type;
 233                 eth_q_conf.ev.queue_id = evt_rsrc->evq.event_q_id[q_id];
 234                 ret = rte_event_eth_rx_adapter_queue_add(adapter_id, port_id,
 235                                                          -1, &eth_q_conf);
 236                 if (ret)
 237                         rte_panic("Failed to add queues to Rx adapter\n");
 238
 239                 ret = rte_event_eth_rx_adapter_start(adapter_id);
 240                 if (ret)
 241                         rte_panic("Rx adapter[%d] start Failed\n", adapter_id);
 242
 243                 evt_rsrc->rx_adptr.rx_adptr[adapter_id] = adapter_id;
 244                 adapter_id++;
 245                 if (q_id < evt_rsrc->evq.nb_queues)
 246                         q_id++;
 247         }
 248
 249         evt_rsrc->tx_adptr.nb_tx_adptr = nb_adapter;
 250         evt_rsrc->tx_adptr.tx_adptr = (uint8_t *)malloc(sizeof(uint8_t) *
 251                                         evt_rsrc->tx_adptr.nb_tx_adptr);
 252         if (!evt_rsrc->tx_adptr.tx_adptr) {
 253                 free(evt_rsrc->rx_adptr.rx_adptr);
 254                 free(evt_rsrc->evp.event_p_id);
 255                 free(evt_rsrc->evq.event_q_id);
 256                 rte_panic("Failed to allocate memery for Rx adapter\n");
 257         }
 258
 259         adapter_id = 0;
 260         RTE_ETH_FOREACH_DEV(port_id) {
 261                 if ((rsrc->enabled_port_mask & (1 << port_id)) == 0)
 262                         continue;
 263                 ret = rte_event_eth_tx_adapter_create(adapter_id, event_d_id,
 264                                                 &evt_rsrc->def_p_conf);
 265                 if (ret)
 266                         rte_panic("Failed to create tx adapter[%d]\n",
 267                                   adapter_id);
 268
 269                 ret = rte_event_eth_tx_adapter_queue_add(adapter_id, port_id,
 270                                                          -1);
 271                 if (ret)
 272                         rte_panic("Failed to add queues to Tx adapter\n");
 273
 274                 ret = rte_event_eth_tx_adapter_start(adapter_id);
 275                 if (ret)
 276                         rte_panic("Tx adapter[%d] start Failed\n", adapter_id);
 277
 278                 evt_rsrc->tx_adptr.tx_adptr[adapter_id] = adapter_id;
 279                 adapter_id++;
 280         }
 281 }
 282
 283 void
 284 l2fwd_event_set_internal_port_ops(struct event_setup_ops *ops)
 285 {
 286         ops->event_device_setup = l2fwd_event_device_setup_internal_port;
 287         ops->event_queue_setup = l2fwd_event_queue_setup_internal_port;
 288         ops->event_port_setup = l2fwd_event_port_setup_internal_port;
 289         ops->adapter_setup = l2fwd_rx_tx_adapter_setup_internal_port;
 290 }