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         ret = rte_event_port_default_conf_get(event_d_id, 0, &def_p_conf);
 103         if (ret < 0)
 104                 rte_panic("Error to get default configuration of event port\n");
 105
 106         if (def_p_conf.new_event_threshold < event_p_conf.new_event_threshold)
 107                 event_p_conf.new_event_threshold =
 108                                                 def_p_conf.new_event_threshold;
 109
 110         if (def_p_conf.dequeue_depth < event_p_conf.dequeue_depth)
 111                 event_p_conf.dequeue_depth = def_p_conf.dequeue_depth;
 112
 113         if (def_p_conf.enqueue_depth < event_p_conf.enqueue_depth)
 114                 event_p_conf.enqueue_depth = def_p_conf.enqueue_depth;
 115
 116         event_p_conf.disable_implicit_release =
 117                 evt_rsrc->disable_implicit_release;
 118
 119         for (event_p_id = 0; event_p_id < evt_rsrc->evp.nb_ports;
 120                                                                 event_p_id++) {
 121                 ret = rte_event_port_setup(event_d_id, event_p_id,
 122                                            &event_p_conf);
 123                 if (ret < 0)
 124                         rte_panic("Error in configuring event port %d\n",
 125                                   event_p_id);
 126
 127                 ret = rte_event_port_link(event_d_id, event_p_id, NULL,
 128                                           NULL, 0);
 129                 if (ret < 0)
 130                         rte_panic("Error in linking event port %d to queue\n",
 131                                   event_p_id);
 132                 evt_rsrc->evp.event_p_id[event_p_id] = event_p_id;
 133
 134                 /* init spinlock */
 135                 rte_spinlock_init(&evt_rsrc->evp.lock);
 136         }
 137
 138         evt_rsrc->def_p_conf = event_p_conf;
 139 }
 140
 141 static void
 142 l3fwd_event_queue_setup_internal_port(uint32_t event_queue_cfg)
 143 {
 144         struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
 145         uint8_t event_d_id = evt_rsrc->event_d_id;
 146         struct rte_event_queue_conf event_q_conf = {
 147                 .nb_atomic_flows = 1024,
 148                 .nb_atomic_order_sequences = 1024,
 149                 .event_queue_cfg = event_queue_cfg,
 150                 .priority = RTE_EVENT_DEV_PRIORITY_NORMAL
 151         };
 152         struct rte_event_queue_conf def_q_conf;
 153         uint8_t event_q_id = 0;
 154         int32_t ret;
 155
 156         ret = rte_event_queue_default_conf_get(event_d_id, event_q_id,
 157                                                &def_q_conf);
 158         if (ret < 0)
 159                 rte_panic("Error to get default config of event queue\n");
 160
 161         if (def_q_conf.nb_atomic_flows < event_q_conf.nb_atomic_flows)
 162                 event_q_conf.nb_atomic_flows = def_q_conf.nb_atomic_flows;
 163
 164         if (def_q_conf.nb_atomic_order_sequences <
 165                                         event_q_conf.nb_atomic_order_sequences)
 166                 event_q_conf.nb_atomic_order_sequences =
 167                                         def_q_conf.nb_atomic_order_sequences;
 168
 169         event_q_conf.event_queue_cfg = event_queue_cfg;
 170         event_q_conf.schedule_type = evt_rsrc->sched_type;
 171         evt_rsrc->evq.event_q_id = (uint8_t *)malloc(sizeof(uint8_t) *
 172                                         evt_rsrc->evq.nb_queues);
 173         if (!evt_rsrc->evq.event_q_id)
 174                 rte_panic("Memory allocation failure\n");
 175
 176         for (event_q_id = 0; event_q_id < evt_rsrc->evq.nb_queues;
 177                                                                 event_q_id++) {
 178                 ret = rte_event_queue_setup(event_d_id, event_q_id,
 179                                             &event_q_conf);
 180                 if (ret < 0)
 181                         rte_panic("Error in configuring event queue\n");
 182                 evt_rsrc->evq.event_q_id[event_q_id] = event_q_id;
 183         }
 184 }
 185
 186 static void
 187 l3fwd_rx_tx_adapter_setup_internal_port(void)
 188 {
 189         struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
 190         struct rte_event_eth_rx_adapter_queue_conf eth_q_conf;
 191         uint8_t event_d_id = evt_rsrc->event_d_id;
 192         uint16_t adapter_id = 0;
 193         uint16_t nb_adapter = 0;
 194         uint16_t port_id;
 195         uint8_t q_id = 0;
 196         int ret;
 197
 198         memset(&eth_q_conf, 0, sizeof(eth_q_conf));
 199         eth_q_conf.ev.priority = RTE_EVENT_DEV_PRIORITY_NORMAL;
 200
 201         RTE_ETH_FOREACH_DEV(port_id) {
 202                 if ((evt_rsrc->port_mask & (1 << port_id)) == 0)
 203                         continue;
 204                 nb_adapter++;
 205         }
 206
 207         evt_rsrc->rx_adptr.nb_rx_adptr = nb_adapter;
 208         evt_rsrc->rx_adptr.rx_adptr = (uint8_t *)malloc(sizeof(uint8_t) *
 209                                         evt_rsrc->rx_adptr.nb_rx_adptr);
 210         if (!evt_rsrc->rx_adptr.rx_adptr) {
 211                 free(evt_rsrc->evp.event_p_id);
 212                 free(evt_rsrc->evq.event_q_id);
 213                 rte_panic("Failed to allocate memory for Rx adapter\n");
 214         }
 215
 216
 217         RTE_ETH_FOREACH_DEV(port_id) {
 218                 if ((evt_rsrc->port_mask & (1 << port_id)) == 0)
 219                         continue;
 220                 ret = rte_event_eth_rx_adapter_create(adapter_id, event_d_id,
 221                                                 &evt_rsrc->def_p_conf);
 222                 if (ret)
 223                         rte_panic("Failed to create rx adapter[%d]\n",
 224                                   adapter_id);
 225
 226                 /* Configure user requested sched type*/
 227                 eth_q_conf.ev.sched_type = evt_rsrc->sched_type;
 228                 eth_q_conf.ev.queue_id = evt_rsrc->evq.event_q_id[q_id];
 229                 ret = rte_event_eth_rx_adapter_queue_add(adapter_id, port_id,
 230                                                          -1, &eth_q_conf);
 231                 if (ret)
 232                         rte_panic("Failed to add queues to Rx adapter\n");
 233
 234                 ret = rte_event_eth_rx_adapter_start(adapter_id);
 235                 if (ret)
 236                         rte_panic("Rx adapter[%d] start Failed\n", adapter_id);
 237
 238                 evt_rsrc->rx_adptr.rx_adptr[adapter_id] = adapter_id;
 239                 adapter_id++;
 240                 if (q_id < evt_rsrc->evq.nb_queues)
 241                         q_id++;
 242         }
 243
 244         evt_rsrc->tx_adptr.nb_tx_adptr = nb_adapter;
 245         evt_rsrc->tx_adptr.tx_adptr = (uint8_t *)malloc(sizeof(uint8_t) *
 246                                         evt_rsrc->tx_adptr.nb_tx_adptr);
 247         if (!evt_rsrc->tx_adptr.tx_adptr) {
 248                 free(evt_rsrc->rx_adptr.rx_adptr);
 249                 free(evt_rsrc->evp.event_p_id);
 250                 free(evt_rsrc->evq.event_q_id);
 251                 rte_panic("Failed to allocate memory for Rx adapter\n");
 252         }
 253
 254         adapter_id = 0;
 255         RTE_ETH_FOREACH_DEV(port_id) {
 256                 if ((evt_rsrc->port_mask & (1 << port_id)) == 0)
 257                         continue;
 258                 ret = rte_event_eth_tx_adapter_create(adapter_id, event_d_id,
 259                                                 &evt_rsrc->def_p_conf);
 260                 if (ret)
 261                         rte_panic("Failed to create tx adapter[%d]\n",
 262                                   adapter_id);
 263
 264                 ret = rte_event_eth_tx_adapter_queue_add(adapter_id, port_id,
 265                                                          -1);
 266                 if (ret)
 267                         rte_panic("Failed to add queues to Tx adapter\n");
 268
 269                 ret = rte_event_eth_tx_adapter_start(adapter_id);
 270                 if (ret)
 271                         rte_panic("Tx adapter[%d] start Failed\n", adapter_id);
 272
 273                 evt_rsrc->tx_adptr.tx_adptr[adapter_id] = adapter_id;
 274                 adapter_id++;
 275         }
 276 }
 277
 278 void
 279 l3fwd_event_set_internal_port_ops(struct l3fwd_event_setup_ops *ops)
 280 {
 281         ops->event_device_setup = l3fwd_event_device_setup_internal_port;
 282         ops->event_queue_setup = l3fwd_event_queue_setup_internal_port;
 283         ops->event_port_setup = l3fwd_event_port_setup_internal_port;
 284         ops->adapter_setup = l3fwd_rx_tx_adapter_setup_internal_port;
 285 }