virtio: add packet buffering on tx

[vpp.git] / src / vnet / devices / virtio / cli.c

diff --git a/src/vnet/devices/virtio/cli.c b/src/vnet/devices/virtio/cli.c
index 956284c..8a9c97b 100644 (file)
--- a/src/vnet/devices/virtio/cli.c
+++ b/src/vnet/devices/virtio/cli.c
@@ -30,6 +30,7 @@ virtio_pci_create_command_fn (vlib_main_t * vm, unformat_input_t * input,
   unformat_input_t _line_input, *line_input = &_line_input;
   virtio_pci_create_if_args_t args;
   u64 feature_mask = (u64) ~ (0ULL);
+  u32 buffering_size = 0;
 
   /* Get a line of input. */
   if (!unformat_user (input, unformat_line_input, line_input))
@@ -42,6 +43,16 @@ virtio_pci_create_command_fn (vlib_main_t * vm, unformat_input_t * input,
        ;
       else if (unformat (line_input, "feature-mask 0x%llx", &feature_mask))
        args.features = feature_mask;
+      else if (unformat (line_input, "gso-enabled"))
+       args.gso_enabled = 1;
+      else if (unformat (line_input, "csum-enabled"))
+       args.checksum_offload_enabled = 1;
+      else if (unformat (line_input, "buffering"))
+       {
+         args.virtio_flags = VIRTIO_FLAG_BUFFERING;
+         if (unformat (line_input, "size %u", &buffering_size))
+           args.buffering_size = buffering_size;
+       }
       else
        return clib_error_return (0, "unknown input `%U'",
                                  format_unformat_error, input);
@@ -57,7 +68,8 @@ virtio_pci_create_command_fn (vlib_main_t * vm, unformat_input_t * input,
 VLIB_CLI_COMMAND (virtio_pci_create_command, static) = {
   .path = "create interface virtio",
   .short_help = "create interface virtio <pci-address> "
-                "[feature-mask <hex-mask>]",
+                "[feature-mask <hex-mask>] [gso-enabled] [csum-enabled] "
+               "[buffering [size <buffering-szie>]]",
   .function = virtio_pci_create_command_fn,
 };
 /* *INDENT-ON* */
@@ -94,7 +106,7 @@ virtio_pci_delete_command_fn (vlib_main_t * vm, unformat_input_t * input,
     return clib_error_return (0,
                              "please specify interface name or sw_if_index");
 
-  hw = vnet_get_sup_hw_interface (vnm, sw_if_index);
+  hw = vnet_get_sup_hw_interface_api_visible_or_null (vnm, sw_if_index);
   if (hw == NULL || virtio_device_class.index != hw->dev_class_index)
     return clib_error_return (0, "not a virtio interface");
 
@@ -115,6 +127,68 @@ VLIB_CLI_COMMAND (virtio_pci_delete_command, static) = {
 };
 /* *INDENT-ON* */
 
+static clib_error_t *
+virtio_pci_enable_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;
+  virtio_main_t *vim = &virtio_main;
+  virtio_if_t *vif;
+  vnet_main_t *vnm = vnet_get_main ();
+  int gso_enabled = 0, checksum_offload_enabled = 0;
+  int offloads_disabled = 0;
+
+  /* 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 if (unformat (line_input, "gso-enabled"))
+       gso_enabled = 1;
+      else if (unformat (line_input, "csum-offload-enabled"))
+       checksum_offload_enabled = 1;
+      else if (unformat (line_input, "offloads-disabled"))
+       offloads_disabled = 1;
+      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 || virtio_device_class.index != hw->dev_class_index)
+    return clib_error_return (0, "not a virtio interface");
+
+  vif = pool_elt_at_index (vim->interfaces, hw->dev_instance);
+
+  if (virtio_pci_enable_disable_offloads
+      (vm, vif, gso_enabled, checksum_offload_enabled, offloads_disabled) < 0)
+    return clib_error_return (0, "not able to enable/disable offloads");
+
+  return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (virtio_pci_enable_command, static) = {
+  .path = "set virtio pci",
+  .short_help = "set virtio pci {<interface> | sw_if_index <sw_idx>}"
+                " [gso-enabled | csum-offload-enabled | offloads-disabled]",
+  .function = virtio_pci_enable_command_fn,
+};
+/* *INDENT-ON* */
+
 static clib_error_t *
 show_virtio_pci_fn (vlib_main_t * vm, unformat_input_t * input,
                    vlib_cli_command_t * cmd)
@@ -163,7 +237,7 @@ show_virtio_pci_fn (vlib_main_t * vm, unformat_input_t * input,
     {
       vif = pool_elt_at_index (vim->interfaces, hi->dev_instance);
       if (vif->type == VIRTIO_IF_TYPE_PCI)
-       debug_device_config_space (vm, vif);
+       vif->virtio_pci_func->device_debug_config_space (vm, vif);
     }
 
   virtio_show (vm, hw_if_indices, show_descr, VIRTIO_IF_TYPE_PCI);
@@ -184,8 +258,6 @@ VLIB_CLI_COMMAND (show_virtio_pci_command, static) = {
 clib_error_t *
 virtio_pci_cli_init (vlib_main_t * vm)
 {
-  virtio_main_t *vim = &virtio_main;
-  vim->log_default = vlib_log_register_class ("virtio-pci", 0);
   return 0;
 }