rdma: use per-thread buffer template

[vpp.git] / src / plugins / rdma / device.c

diff --git a/src/plugins/rdma/device.c b/src/plugins/rdma/device.c
index 70720e4..29d9842 100644 (file)
--- a/src/plugins/rdma/device.c
+++ b/src/plugins/rdma/device.c
@@ -589,8 +589,8 @@ rdma_create_if (vlib_main_t * vm, rdma_create_if_args_t * args)
   u16 qid;
   int i;
 
-  args->rxq_size = args->rxq_size ? args->rxq_size : 2 * VLIB_FRAME_SIZE;
-  args->txq_size = args->txq_size ? args->txq_size : 2 * VLIB_FRAME_SIZE;
+  args->rxq_size = args->rxq_size ? args->rxq_size : 1024;
+  args->txq_size = args->txq_size ? args->txq_size : 1024;
   args->rxq_num = args->rxq_num ? args->rxq_num : 1;
 
   if (!is_pow2 (args->rxq_num))
@@ -611,6 +611,19 @@ rdma_create_if (vlib_main_t * vm, rdma_create_if_args_t * args)
       goto err0;
     }
 
+  switch (args->mode)
+    {
+    case RDMA_MODE_AUTO:
+      break;
+    case RDMA_MODE_IBV:
+      break;
+    case RDMA_MODE_DV:
+      args->rv = VNET_API_ERROR_INVALID_VALUE;
+      args->error = clib_error_return (0, "unsupported mode");
+      goto err0;
+      break;
+    }
+
   dev_list = ibv_get_device_list (&n_devs);
   if (n_devs == 0)
     {
@@ -783,9 +796,23 @@ clib_error_t *
 rdma_init (vlib_main_t * vm)
 {
   rdma_main_t *rm = &rdma_main;
+  vlib_thread_main_t *tm = vlib_get_thread_main ();
 
   rm->log_class = vlib_log_register_class ("rdma", 0);
 
+  /* vlib_buffer_t template */
+  vec_validate_aligned (rm->per_thread_data, tm->n_vlib_mains - 1,
+                       CLIB_CACHE_LINE_BYTES);
+
+  for (int i = 0; i < tm->n_vlib_mains; i++)
+    {
+      rdma_per_thread_data_t *ptd = vec_elt_at_index (rm->per_thread_data, i);
+      clib_memset (&ptd->buffer_template, 0, sizeof (vlib_buffer_t));
+      ptd->buffer_template.flags = VLIB_BUFFER_TOTAL_LENGTH_VALID;
+      ptd->buffer_template.ref_count = 1;
+      vnet_buffer (&ptd->buffer_template)->sw_if_index[VLIB_TX] = (u32) ~ 0;
+    }
+
   return 0;
 }