QoS recording and marking

[vpp.git] / src / vnet / qos / qos_types.h

diff --git a/src/vnet/qos/qos_types.h b/src/vnet/qos/qos_types.h
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+/*
+ *------------------------------------------------------------------
+ * Copyright (c) 2018 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *------------------------------------------------------------------
+ */
+
+/**
+ * QoS tyeps
+ */
+
+#ifndef __QOS_TYPES_H__
+#define __QOS_TYPES_H__
+
+#include <vnet/vnet.h>
+
+/**
+ * Sources for the QoS bits in the packet
+ */
+typedef enum qos_source_t_
+{
+  /**
+   * Some external source, e.g. a plugin.
+   */
+  QOS_SOURCE_EXT,
+  QOS_SOURCE_VLAN,
+  QOS_SOURCE_MPLS,
+  QOS_SOURCE_IP,
+} __attribute__ ((packed)) qos_source_t;
+
+/**
+ * The maximum number of sources. defined outside the enum so switch
+ * statements don't need to handle a non-value nor use a default label
+ */
+#define QOS_N_SOURCES (QOS_SOURCE_IP + 1)
+
+#define QOS_SOURCE_NAMES {                   \
+    [QOS_SOURCE_EXT] = "ext",                \
+    [QOS_SOURCE_IP] = "IP",                  \
+    [QOS_SOURCE_MPLS] = "MPLS",              \
+    [QOS_SOURCE_VLAN] = "VLAN",              \
+}
+
+#define FOR_EACH_QOS_SOURCE(_src)    \
+    for (_src = QOS_SOURCE_EXT;      \
+         _src <= QOS_SOURCE_IP;      \
+         _src++)
+
+/**
+ * format/unformat QoS source types
+ */
+extern u8 *format_qos_source (u8 * s, va_list * args);
+extern uword unformat_qos_source (unformat_input_t * input, va_list * args);
+
+/**
+ * Type, er, safety for us water based entities
+ */
+typedef u8 qos_bits_t;
+
+#endif
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */