rdma: add Mellanox mlx5 Direct Verbs receive support

Type: feature
Change-Id: I3f287ab536a482c366ad7df47e1c04e640992ebc
Signed-off-by: Damjan Marion <damarion@cisco.com>

1 files changed, 62 insertions, 0 deletions

diff --git a/src/plugins/rdma/cli.c b/src/plugins/rdma/cli.c
index 73e91c298b1..918cd77387b 100644
--- a/src/plugins/rdma/cli.c
+++ b/src/plugins/rdma/cli.c
@@ -106,6 +106,68 @@ VLIB_CLI_COMMAND (rdma_delete_command, static) = {
 };
 /* *INDENT-ON* */
 
+static clib_error_t *
+test_rdma_dump_command_fn (vlib_main_t * vm, unformat_input_t * input,
+			   vlib_cli_command_t * cmd)
+{
+  unformat_input_t _line_input, *line_input = &_line_input;
+  u32 sw_if_index = ~0;
+  vnet_hw_interface_t *hw;
+  rdma_main_t *rm = &rdma_main;
+  rdma_device_t *rd;
+  vnet_main_t *vnm = vnet_get_main ();
+  int i;
+
+  /* Get a line of input. */
+  if (!unformat_user (input, unformat_line_input, line_input))
+    return 0;
+
+  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+    {
+      if (unformat (line_input, "sw_if_index %d", &sw_if_index))
+	;
+      else if (unformat (line_input, "%U", unformat_vnet_sw_interface,
+			 vnm, &sw_if_index))
+	;
+      else
+	return clib_error_return (0, "unknown input `%U'",
+				  format_unformat_error, input);
+    }
+  unformat_free (line_input);
+
+  if (sw_if_index == ~0)
+    return clib_error_return (0,
+			      "please specify interface name or sw_if_index");
+
+  hw = vnet_get_sup_hw_interface_api_visible_or_null (vnm, sw_if_index);
+  if (hw == NULL || rdma_device_class.index != hw->dev_class_index)
+    return clib_error_return (0, "not a RDMA interface");
+
+  rd = pool_elt_at_index (rm->devices, hw->dev_instance);
+
+  if ((rd->flags & RDMA_DEVICE_F_MLX5DV) == 0)
+    return clib_error_return (0, "not a mlx5 interface");
+
+  vlib_cli_output (vm, "netdev %s pci-addr %U lkey 0x%x",
+		   rd->linux_ifname, format_vlib_pci_addr, &rd->pci->addr,
+		   &rd->lkey);
+
+  vec_foreach_index (i, rd->rxqs)
+  {
+    vlib_cli_output (vm, "RX queue %u\n  %U\n", i, format_rdma_rxq, rd, i);
+  }
+
+  return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (test_rdma_mlx5dv_dump_command, static) = {
+  .path = "test rdma dump",
+  .short_help = "test rdma dump {<interface> | sw_if_index <sw_idx>}",
+  .function = test_rdma_dump_command_fn,
+};
+/* *INDENT-ON* */
+
 clib_error_t *
 rdma_cli_init (vlib_main_t * vm)
 {