examples/l3fwd/l3fwd_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
   7 #include "l3fwd.h"
   8 #include "l3fwd_event.h"
   9
  10 static uint32_t
  11 l3fwd_event_device_setup_internal_port(void)
  12 {
  13         struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
  14         struct rte_event_dev_config event_d_conf = {
  15                 .nb_events_limit  = 4096,
  16                 .nb_event_queue_flows = 1024,
  17                 .nb_event_port_dequeue_depth = 128,
  18                 .nb_event_port_enqueue_depth = 128
  19         };
  20         struct rte_event_dev_info dev_info;
  21         const uint8_t event_d_id = 0; /* Always use first event device only */
  22         uint32_t event_queue_cfg = 0;
  23         uint16_t ethdev_count = 0;
  24         uint16_t num_workers = 0;
  25         uint16_t port_id;
  26         int ret;
  27
  28         RTE_ETH_FOREACH_DEV(port_id) {
  29                 if ((evt_rsrc->port_mask & (1 << port_id)) == 0)
  30                         continue;
  31                 ethdev_count++;
  32         }
  33
  34         /* Event device configuration */
  35         rte_event_dev_info_get(event_d_id, &dev_info);
  36
  37         /* Enable implicit release */
  38         if (dev_info.event_dev_cap & RTE_EVENT_DEV_CAP_IMPLICIT_RELEASE_DISABLE)
  39                 evt_rsrc->disable_implicit_release = 0;
  40
  41         if (dev_info.event_dev_cap & RTE_EVENT_DEV_CAP_QUEUE_ALL_TYPES)
  42                 event_queue_cfg |= RTE_EVENT_QUEUE_CFG_ALL_TYPES;
  43
  44         event_d_conf.nb_event_queues = ethdev_count;
  45         if (dev_info.max_event_queues < event_d_conf.nb_event_queues)
  46                 event_d_conf.nb_event_queues = dev_info.max_event_queues;
  47
  48         if (dev_info.max_num_events < event_d_conf.nb_events_limit)
  49                 event_d_conf.nb_events_limit = dev_info.max_num_events;
  50
  51         if (dev_info.max_event_queue_flows < event_d_conf.nb_event_queue_flows)
  52                 event_d_conf.nb_event_queue_flows =
  53                                                 dev_info.max_event_queue_flows;
  54
  55         if (dev_info.max_event_port_dequeue_depth <
  56                                 event_d_conf.nb_event_port_dequeue_depth)
  57                 event_d_conf.nb_event_port_dequeue_depth =
  58                                 dev_info.max_event_port_dequeue_depth;
  59
  60         if (dev_info.max_event_port_enqueue_depth <
  61                                 event_d_conf.nb_event_port_enqueue_depth)
  62                 event_d_conf.nb_event_port_enqueue_depth =
  63                                 dev_info.max_event_port_enqueue_depth;
  64
  65         num_workers = rte_lcore_count();
  66         if (dev_info.max_event_ports < num_workers)
  67                 num_workers = dev_info.max_event_ports;
  68
  69         event_d_conf.nb_event_ports = num_workers;
  70         evt_rsrc->evp.nb_ports = num_workers;
  71         evt_rsrc->evq.nb_queues = event_d_conf.nb_event_queues;
  72         evt_rsrc->has_burst = !!(dev_info.event_dev_cap &
  73                                     RTE_EVENT_DEV_CAP_BURST_MODE);
  74
  75         ret = rte_event_dev_configure(event_d_id, &event_d_conf);
  76         if (ret < 0)
  77                 rte_panic("Error in configuring event device\n");
  78
  79         evt_rsrc->event_d_id = event_d_id;
  80         return event_queue_cfg;
  81 }
  82
  83 static void
  84 l3fwd_event_port_setup_internal_port(void)
  85 {
  86         struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
  87         uint8_t event_d_id = evt_rsrc->event_d_id;
  88         struct rte_event_port_conf event_p_conf = {
  89                 .dequeue_depth = 32,
  90                 .enqueue_depth = 32,
  91                 .new_event_threshold = 4096
  92         };
  93         struct rte_event_port_conf def_p_conf;
  94         uint8_t event_p_id;
  95         int32_t ret;
  96
  97         evt_rsrc->evp.event_p_id = (uint8_t *)malloc(sizeof(uint8_t) *
  98                                         evt_rsrc->evp.nb_ports);
  99         if (!evt_rsrc->evp.event_p_id)
 100                 rte_panic("Failed to allocate memory for Event Ports\n");
 101
 102         rte_event_port_default_conf_get(event_d_id, 0, &def_p_conf);
 103         if (def_p_conf.new_event_threshold < event_p_conf.new_event_threshold)
 104                 event_p_conf.new_event_threshold =
 105                                                 def_p_conf.new_event_threshold;
 106
 107         if (def_p_conf.dequeue_depth < event_p_conf.dequeue_depth)
 108                 event_p_conf.dequeue_depth = def_p_conf.dequeue_depth;
 109
 110         if (def_p_conf.enqueue_depth < event_p_conf.enqueue_depth)
 111                 event_p_conf.enqueue_depth = def_p_conf.enqueue_depth;
 112
 113         event_p_conf.disable_implicit_release =
 114                 evt_rsrc->disable_implicit_release;
 115
 116         for (event_p_id = 0; event_p_id < evt_rsrc->evp.nb_ports;
 117                                                                 event_p_id++) {
 118                 ret = rte_event_port_setup(event_d_id, event_p_id,
 119                                            &event_p_conf);
 120                 if (ret < 0)
 121                         rte_panic("Error in configuring event port %d\n",
 122                                   event_p_id);
 123
 124                 ret = rte_event_port_link(event_d_id, event_p_id, NULL,
 125                                           NULL, 0);
 126                 if (ret < 0)
 127                         rte_panic("Error in linking event port %d to queue\n",
 128                                   event_p_id);
 129                 evt_rsrc->evp.event_p_id[event_p_id] = event_p_id;
 130
 131                 /* init spinlock */
 132                 rte_spinlock_init(&evt_rsrc->evp.lock);
 133         }
 134
 135         evt_rsrc->def_p_conf = event_p_conf;
 136 }
 137
 138 static void
 139 l3fwd_event_queue_setup_internal_port(uint32_t event_queue_cfg)
 140 {
 141         struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
 142         uint8_t event_d_id = evt_rsrc->event_d_id;
 143         struct rte_event_queue_conf event_q_conf = {
 144                 .nb_atomic_flows = 1024,
 145                 .nb_atomic_order_sequences = 1024,
 146                 .event_queue_cfg = event_queue_cfg,
 147                 .priority = RTE_EVENT_DEV_PRIORITY_NORMAL
 148         };
 149         struct rte_event_queue_conf def_q_conf;
 150         uint8_t event_q_id = 0;
 151         int32_t ret;
 152
 153         rte_event_queue_default_conf_get(event_d_id, event_q_id, &def_q_conf);
 154
 155         if (def_q_conf.nb_atomic_flows < event_q_conf.nb_atomic_flows)
 156                 event_q_conf.nb_atomic_flows = def_q_conf.nb_atomic_flows;
 157
 158         if (def_q_conf.nb_atomic_order_sequences <
 159                                         event_q_conf.nb_atomic_order_sequences)
 160                 event_q_conf.nb_atomic_order_sequences =
 161                                         def_q_conf.nb_atomic_order_sequences;
 162
 163         event_q_conf.event_queue_cfg = event_queue_cfg;
 164         event_q_conf.schedule_type = evt_rsrc->sched_type;
 165         evt_rsrc->evq.event_q_id = (uint8_t *)malloc(sizeof(uint8_t) *
 166                                         evt_rsrc->evq.nb_queues);
 167         if (!evt_rsrc->evq.event_q_id)
 168                 rte_panic("Memory allocation failure\n");
 169
 170         for (event_q_id = 0; event_q_id < evt_rsrc->evq.nb_queues;
 171                                                                 event_q_id++) {
 172                 ret = rte_event_queue_setup(event_d_id, event_q_id,
 173                                             &event_q_conf);
 174                 if (ret < 0)
 175                         rte_panic("Error in configuring event queue\n");
 176                 evt_rsrc->evq.event_q_id[event_q_id] = event_q_id;
 177         }
 178 }
 179
 180 static void
 181 l3fwd_rx_tx_adapter_setup_internal_port(void)
 182 {
 183         struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
 184         struct rte_event_eth_rx_adapter_queue_conf eth_q_conf;
 185         uint8_t event_d_id = evt_rsrc->event_d_id;
 186         uint16_t adapter_id = 0;
 187         uint16_t nb_adapter = 0;
 188         uint16_t port_id;
 189         uint8_t q_id = 0;
 190         int ret;
 191
 192         memset(&eth_q_conf, 0, sizeof(eth_q_conf));
 193         eth_q_conf.ev.priority = RTE_EVENT_DEV_PRIORITY_NORMAL;
 194
 195         RTE_ETH_FOREACH_DEV(port_id) {
 196                 if ((evt_rsrc->port_mask & (1 << port_id)) == 0)
 197                         continue;
 198                 nb_adapter++;
 199         }
 200
 201         evt_rsrc->rx_adptr.nb_rx_adptr = nb_adapter;
 202         evt_rsrc->rx_adptr.rx_adptr = (uint8_t *)malloc(sizeof(uint8_t) *
 203                                         evt_rsrc->rx_adptr.nb_rx_adptr);
 204         if (!evt_rsrc->rx_adptr.rx_adptr) {
 205                 free(evt_rsrc->evp.event_p_id);
 206                 free(evt_rsrc->evq.event_q_id);
 207                 rte_panic("Failed to allocate memory for Rx adapter\n");
 208         }
 209
 210
 211         RTE_ETH_FOREACH_DEV(port_id) {
 212                 if ((evt_rsrc->port_mask & (1 << port_id)) == 0)
 213                         continue;
 214                 ret = rte_event_eth_rx_adapter_create(adapter_id, event_d_id,
 215                                                 &evt_rsrc->def_p_conf);
 216                 if (ret)
 217                         rte_panic("Failed to create rx adapter[%d]\n",
 218                                   adapter_id);
 219
 220                 /* Configure user requested sched type*/
 221                 eth_q_conf.ev.sched_type = evt_rsrc->sched_type;
 222                 eth_q_conf.ev.queue_id = evt_rsrc->evq.event_q_id[q_id];
 223                 ret = rte_event_eth_rx_adapter_queue_add(adapter_id, port_id,
 224                                                          -1, &eth_q_conf);
 225                 if (ret)
 226                         rte_panic("Failed to add queues to Rx adapter\n");
 227
 228                 ret = rte_event_eth_rx_adapter_start(adapter_id);
 229                 if (ret)
 230                         rte_panic("Rx adapter[%d] start Failed\n", adapter_id);
 231
 232                 evt_rsrc->rx_adptr.rx_adptr[adapter_id] = adapter_id;
 233                 adapter_id++;
 234                 if (q_id < evt_rsrc->evq.nb_queues)
 235                         q_id++;
 236         }
 237
 238         evt_rsrc->tx_adptr.nb_tx_adptr = nb_adapter;
 239         evt_rsrc->tx_adptr.tx_adptr = (uint8_t *)malloc(sizeof(uint8_t) *
 240                                         evt_rsrc->tx_adptr.nb_tx_adptr);
 241         if (!evt_rsrc->tx_adptr.tx_adptr) {
 242                 free(evt_rsrc->rx_adptr.rx_adptr);
 243                 free(evt_rsrc->evp.event_p_id);
 244                 free(evt_rsrc->evq.event_q_id);
 245                 rte_panic("Failed to allocate memory for Rx adapter\n");
 246         }
 247
 248         adapter_id = 0;
 249         RTE_ETH_FOREACH_DEV(port_id) {
 250                 if ((evt_rsrc->port_mask & (1 << port_id)) == 0)
 251                         continue;
 252                 ret = rte_event_eth_tx_adapter_create(adapter_id, event_d_id,
 253                                                 &evt_rsrc->def_p_conf);
 254                 if (ret)
 255                         rte_panic("Failed to create tx adapter[%d]\n",
 256                                   adapter_id);
 257
 258                 ret = rte_event_eth_tx_adapter_queue_add(adapter_id, port_id,
 259                                                          -1);
 260                 if (ret)
 261                         rte_panic("Failed to add queues to Tx adapter\n");
 262
 263                 ret = rte_event_eth_tx_adapter_start(adapter_id);
 264                 if (ret)
 265                         rte_panic("Tx adapter[%d] start Failed\n", adapter_id);
 266
 267                 evt_rsrc->tx_adptr.tx_adptr[adapter_id] = adapter_id;
 268                 adapter_id++;
 269         }
 270 }
 271
 272 void
 273 l3fwd_event_set_internal_port_ops(struct l3fwd_event_setup_ops *ops)
 274 {
 275         ops->event_device_setup = l3fwd_event_device_setup_internal_port;
 276         ops->event_queue_setup = l3fwd_event_queue_setup_internal_port;
 277         ops->event_port_setup = l3fwd_event_port_setup_internal_port;
 278         ops->adapter_setup = l3fwd_rx_tx_adapter_setup_internal_port;
 279 }