examples/l2fwd-event/l2fwd_event.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_atomic.h>
   9 #include <rte_cycles.h>
  10 #include <rte_ethdev.h>
  11 #include <rte_eventdev.h>
  12 #include <rte_event_eth_rx_adapter.h>
  13 #include <rte_event_eth_tx_adapter.h>
  14 #include <rte_lcore.h>
  15 #include <rte_malloc.h>
  16 #include <rte_spinlock.h>
  17
  18 #include "l2fwd_event.h"
  19
  20 static void
  21 l2fwd_event_capability_setup(struct l2fwd_event_resources *evt_rsrc)
  22 {
  23         uint32_t caps = 0;
  24         uint16_t i;
  25         int ret;
  26
  27         RTE_ETH_FOREACH_DEV(i) {
  28                 ret = rte_event_eth_tx_adapter_caps_get(0, i, &caps);
  29                 if (ret)
  30                         rte_panic("Invalid capability for Tx adptr port %d\n",
  31                                   i);
  32
  33                 evt_rsrc->tx_mode_q |= !(caps &
  34                                    RTE_EVENT_ETH_TX_ADAPTER_CAP_INTERNAL_PORT);
  35         }
  36
  37         if (evt_rsrc->tx_mode_q)
  38                 l2fwd_event_set_generic_ops(&evt_rsrc->ops);
  39         else
  40                 l2fwd_event_set_internal_port_ops(&evt_rsrc->ops);
  41 }
  42
  43 void
  44 l2fwd_event_resource_setup(struct l2fwd_resources *rsrc)
  45 {
  46         struct l2fwd_event_resources *evt_rsrc;
  47
  48         if (!rte_event_dev_count())
  49                 rte_panic("No Eventdev found\n");
  50
  51         evt_rsrc = rte_zmalloc("l2fwd_event",
  52                                  sizeof(struct l2fwd_event_resources), 0);
  53         if (evt_rsrc == NULL)
  54                 rte_panic("Failed to allocate memory\n");
  55
  56         rsrc->evt_rsrc = evt_rsrc;
  57
  58         /* Setup eventdev capability callbacks */
  59         l2fwd_event_capability_setup(evt_rsrc);
  60
  61         /* Event device configuration */
  62         evt_rsrc->ops.event_device_setup(rsrc);
  63 }