qos: Store function

Type: feature

store: write a QoS value into the buffer meta-data
record: Extract a QoS value from a packet header and store it.
mark: Make a change to the content of a packet header by writing a stored
      QoS value

Change-Id: I07d1e87dd1ca90d40ac1ae1774fee1b272cab83f
Signed-off-by: Neale Ranns <nranns@cisco.com>

1 files changed, 39 insertions, 0 deletions

diff --git a/src/vnet/qos/qos_store.h b/src/vnet/qos/qos_store.h
new file mode 100644
index 00000000000..7b3c8014e08
--- /dev/null
+++ b/src/vnet/qos/qos_store.h
@@ -0,0 +1,39 @@
+/*
+ * 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.
+ */
+
+#ifndef __QOS_STORE_H__
+#define __QOS_STORE_H__
+
+#include <vnet/qos/qos_types.h>
+#include <vnet/ip/ip_packet.h>
+
+extern int qos_store_disable (u32 sw_if_index, qos_source_t input_source);
+extern int qos_store_enable (u32 sw_if_index,
+			     qos_source_t input_source, qos_bits_t value);
+
+typedef walk_rc_t (*qos_store_walk_cb_t) (u32 sw_if_index,
+					  qos_source_t input_source,
+					  qos_bits_t value, void *ctx);
+void qos_store_walk (qos_store_walk_cb_t fn, void *c);
+
+#endif
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */