ena: Amazon Elastic Network Adapter (ENA) native driver

Type: feature
Change-Id: Icd9de05f2cbac0e5a6dfb1f1414f21dc4b893104
Signed-off-by: Damjan Marion <damarion@cisco.com>

1 files changed, 107 insertions, 0 deletions

diff --git a/src/plugins/dev_ena/ena_aenq_defs.h b/src/plugins/dev_ena/ena_aenq_defs.h
new file mode 100644
index 00000000000..4530f5e7a42
--- /dev/null
+++ b/src/plugins/dev_ena/ena_aenq_defs.h
@@ -0,0 +1,107 @@
+/* SPDX-License-Identifier: Apache-2.0
+ * Copyright(c) 2023 Cisco Systems, Inc.
+ */
+
+#ifndef _ENA_AENQ_DEFS_H_
+#define _ENA_AENQ_DEFS_H_
+
+#include <vppinfra/clib.h>
+#include <vppinfra/error_bootstrap.h>
+
+#define foreach_aenq_group                                                    \
+  _ (0, LINK_CHANGE)                                                          \
+  _ (1, FATAL_ERROR)                                                          \
+  _ (2, WARNING)                                                              \
+  _ (3, NOTIFICATION)                                                         \
+  _ (4, KEEP_ALIVE)                                                           \
+  _ (5, REFRESH_CAPABILITIES)                                                 \
+  _ (6, CONF_NOTIFICATIONS)
+
+#define foreach_aenq_syndrome                                                 \
+  _ (0, SUSPEND)                                                              \
+  _ (1, RESUME)                                                               \
+  _ (2, UPDATE_HINTS)
+
+typedef enum
+{
+#define _(v, n) ENA_AENQ_GROUP_##n = (v),
+  foreach_aenq_group
+#undef _
+} ena_aenq_group_t;
+
+typedef enum
+{
+#define _(v, n) ENA_AENQ_SYNDROME_##n = (v),
+  foreach_aenq_syndrome
+#undef _
+} ena_aenq_syndrome_t;
+
+typedef struct
+{
+  ena_aenq_group_t group : 16;
+  ena_aenq_syndrome_t syndrome : 16;
+
+  union
+  {
+    struct
+    {
+      u8 phase : 1;
+    };
+    u8 flags;
+  };
+  u8 reserved1[3];
+
+  union
+  {
+    u64 timestamp;
+    struct
+    {
+      u32 timestamp_low;
+      u32 timestamp_high;
+    };
+  };
+
+  union
+  {
+    u32 data[12];
+
+    struct
+    {
+      union
+      {
+	struct
+	{
+	  u32 link_status : 1;
+	};
+	u32 flags;
+      };
+    } link_change;
+
+    struct
+    {
+      union
+      {
+	u64 rx_drops;
+	struct
+	{
+	  u32 rx_drops_low;
+	  u32 rx_drops_high;
+	};
+      };
+
+      union
+      {
+	u64 tx_drops;
+	struct
+	{
+	  u32 tx_drops_low;
+	  u32 tx_drops_high;
+	};
+      };
+    } keep_alive;
+  };
+} __clib_packed ena_aenq_entry_t;
+
+STATIC_ASSERT_SIZEOF (ena_aenq_entry_t, 64);
+
+#endif /* _ENA_AENQ_DEFS_H_ */