vlib: introduce vlib_get_main_by_index(), vlib_get_n_threads()

[vpp.git] / src / plugins / memif / memif.c

diff --git a/src/plugins/memif/memif.c b/src/plugins/memif/memif.c
index bf09509..31a34cc 100644 (file)
--- a/src/plugins/memif/memif.c
+++ b/src/plugins/memif/memif.c
@@ -36,6 +36,7 @@
 #include <vppinfra/linux/syscall.h>
 #include <vnet/plugin/plugin.h>
 #include <vnet/ethernet/ethernet.h>
+#include <vnet/interface/rx_queue_funcs.h>
 #include <vpp/app/version.h>
 #include <memif/memif.h>
 #include <memif/private.h>
@@ -138,12 +139,6 @@ memif_disconnect (memif_if_t * mif, clib_error_t * err)
       mq = vec_elt_at_index (mif->rx_queues, i);
       if (mq->ring)
        {
-         int rv;
-         rv = vnet_hw_interface_unassign_rx_thread (vnm, mif->hw_if_index, i);
-         if (rv)
-           memif_log_warn (mif,
-                          "Unable to unassign interface %d, queue %d: rc=%d",
-                          mif->hw_if_index, i, rv);
          if (mif->flags & MEMIF_IF_FLAG_ZERO_COPY)
          {
            memif_disconnect_free_zc_queue_buffer(mq, 1);
@@ -151,6 +146,8 @@ memif_disconnect (memif_if_t * mif, clib_error_t * err)
          mq->ring = 0;
        }
     }
+  vnet_hw_if_unregister_all_rx_queues (vnm, mif->hw_if_index);
+  vnet_hw_if_update_runtime_data (vnm, mif->hw_if_index);
 
   /* *INDENT-OFF* */
   vec_foreach_index (i, mif->tx_queues)
@@ -222,7 +219,7 @@ memif_int_fd_read_ready (clib_file_t * uf)
       return 0;
     }
 
-  vnet_device_input_set_interrupt_pending (vnm, mif->hw_if_index, qid);
+  vnet_hw_if_rx_queue_set_int_pending (vnm, mq->queue_index);
   mq->int_count++;
 
   return 0;
@@ -285,6 +282,7 @@ memif_connect (memif_if_t * mif)
     {
       memif_queue_t *mq = vec_elt_at_index (mif->rx_queues, i);
       u32 ti;
+      u32 qi;
       int rv;
 
       mq->ring = mif->regions[mq->region].shm + mq->offset;
@@ -293,7 +291,9 @@ memif_connect (memif_if_t * mif)
          err = clib_error_return (0, "wrong cookie on tx ring %u", i);
          goto error;
        }
-
+      qi = vnet_hw_if_register_rx_queue (vnm, mif->hw_if_index, i,
+                                        VNET_HW_IF_RXQ_THREAD_ANY);
+      mq->queue_index = qi;
       if (mq->int_fd > -1)
        {
          template.file_descriptor = mq->int_fd;
@@ -302,26 +302,27 @@ memif_connect (memif_if_t * mif)
                                         format_memif_device_name,
                                         mif->dev_instance, i);
          memif_file_add (&mq->int_clib_file_index, &template);
+         vnet_hw_if_set_rx_queue_file_index (vnm, qi,
+                                             mq->int_clib_file_index);
        }
-      vnet_hw_interface_assign_rx_thread (vnm, mif->hw_if_index, i, ~0);
-      ti = vnet_get_device_input_thread_index (vnm, mif->hw_if_index, i);
-      mq->buffer_pool_index =
-       vlib_buffer_pool_get_default_for_numa (vm, vlib_mains[ti]->numa_node);
-      rv = vnet_hw_interface_set_rx_mode (vnm, mif->hw_if_index, i,
-                                         VNET_HW_IF_RX_MODE_DEFAULT);
+      ti = vnet_hw_if_get_rx_queue_thread_index (vnm, qi);
+      mq->buffer_pool_index = vlib_buffer_pool_get_default_for_numa (
+       vm, vlib_get_main_by_index (ti)->numa_node);
+      rv = vnet_hw_if_set_rx_queue_mode (vnm, qi, VNET_HW_IF_RX_MODE_DEFAULT);
+      vnet_hw_if_update_runtime_data (vnm, mif->hw_if_index);
+
       if (rv)
        memif_log_err
          (mif, "Warning: unable to set rx mode for interface %d queue %d: "
           "rc=%d", mif->hw_if_index, i, rv);
       else
        {
-         vnet_hw_if_rx_mode rxmode;
-         vnet_hw_interface_get_rx_mode (vnm, mif->hw_if_index, i, &rxmode);
+         vnet_hw_if_rx_mode rxmode = vnet_hw_if_get_rx_queue_mode (vnm, qi);
 
          if (rxmode == VNET_HW_IF_RX_MODE_POLLING)
            mq->ring->flags |= MEMIF_RING_FLAG_MASK_INT;
          else
-           vnet_device_input_set_interrupt_pending (vnm, mif->hw_if_index, i);
+           vnet_hw_if_rx_queue_set_int_pending (vnm, qi);
        }
     }
   /* *INDENT-ON* */
@@ -551,6 +552,8 @@ memif_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
        case MEMIF_PROCESS_EVENT_STOP:
          enabled = 0;
          continue;
+       case MEMIF_PROCESS_EVENT_ADMIN_UP_DOWN:
+         break;
        default:
          ASSERT (0);
        }
@@ -1045,10 +1048,8 @@ memif_create_if (vlib_main_t * vm, memif_create_if_args_t * args)
     }
 
   hw = vnet_get_hw_interface (vnm, mif->hw_if_index);
-  hw->flags |= VNET_HW_INTERFACE_FLAG_SUPPORTS_INT_MODE;
-  vnet_hw_interface_set_input_node (vnm, mif->hw_if_index,
-                                   memif_input_node.index);
-
+  hw->caps |= VNET_HW_INTERFACE_CAP_SUPPORTS_INT_MODE;
+  vnet_hw_if_set_input_node (vnm, mif->hw_if_index, memif_input_node.index);
   mhash_set (&msf->dev_instance_by_id, &mif->id, mif->dev_instance, 0);
 
   if (pool_elts (mm->interfaces) == 1)
@@ -1079,6 +1080,24 @@ done:
   return rv;
 }
 
+clib_error_t *
+memif_interface_admin_up_down (vnet_main_t *vnm, u32 hw_if_index, u32 flags)
+{
+  memif_main_t *mm = &memif_main;
+  vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index);
+  memif_if_t *mif = pool_elt_at_index (mm->interfaces, hw->dev_instance);
+  static clib_error_t *error = 0;
+
+  if (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
+    mif->flags |= MEMIF_IF_FLAG_ADMIN_UP;
+  else
+    mif->flags &= ~MEMIF_IF_FLAG_ADMIN_UP;
+
+  vlib_process_signal_event (vnm->vlib_main, memif_process_node.index,
+                            MEMIF_PROCESS_EVENT_ADMIN_UP_DOWN, 0);
+  return error;
+}
+
 static clib_error_t *
 memif_init (vlib_main_t * vm)
 {