dev: new device driver infra

Type: feature
Change-Id: I20c56e0d3103624407f18365c2bc1273dea5c199
Signed-off-by: Damjan Marion <damarion@cisco.com>

1 files changed, 29 insertions, 0 deletions

diff --git a/src/vnet/dev/error.c b/src/vnet/dev/error.c
new file mode 100644
index 00000000000..df9c6d364e7
--- /dev/null
+++ b/src/vnet/dev/error.c
@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: Apache-2.0
+ * Copyright (c) 2023 Cisco Systems, Inc.
+ */
+
+#include <vnet/vnet.h>
+#include <vnet/ethernet/ethernet.h>
+#include <vnet/dev/dev.h>
+#include <vnet/dev/counters.h>
+
+clib_error_t *
+vnet_dev_port_err (vlib_main_t *vm, vnet_dev_port_t *port, vnet_dev_rv_t rv,
+		   char *fmt, ...)
+{
+  clib_error_t *err;
+  va_list va;
+  u8 *s;
+
+  if (rv == VNET_DEV_OK)
+    return 0;
+
+  va_start (va, fmt);
+  s = va_format (0, fmt, &va);
+  va_end (va);
+
+  err = clib_error_return (0, "%s port %u: %U (%v)", port->dev->device_id,
+			   port->port_id, format_vnet_dev_rv, rv, s);
+  vec_free (s);
+  return err;
+}