bond: Add bonding driver and LACP protocol

[vpp.git] / src / plugins / lacp / protocol.h

diff --git a/src/plugins/lacp/protocol.h b/src/plugins/lacp/protocol.h
new file mode 100644 (file)
index 0000000..05a3f04
--- /dev/null
+++ b/src/plugins/lacp/protocol.h
@@ -0,0 +1,178 @@
+/*
+ * Copyright (c) 2017 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 __included_lacp_protocol_h__
+#define __included_lacp_protocol_h__
+
+#include <vnet/ethernet/ethernet.h>
+#include <vnet/bonding/node.h>
+
+#define LACP_CHURN_DETECTION_TIME       60
+#define LACP_AGGREGATE_WAIT_TIME        2.0
+
+#define LACP_SUBTYPE                    1
+#define LACP_ACTOR_LACP_VERSION         1
+
+#define foreach_lacp_tlv        \
+  _ (TERMINATOR_INFORMATION, 0) \
+  _ (ACTOR_INFORMATION, 1)      \
+  _ (PARTNER_INFORMATION , 2)   \
+  _ (COLLECTOR_INFORMATION, 3)
+
+typedef enum
+{
+#define _(f,n) LACP_##f = (n),
+  foreach_lacp_tlv
+#undef _
+} lacp_tlv_t;
+
+#define foreach_lacp_port  \
+  _ (UNSELECTED, 0)        \
+  _ (SELECTED, 1)          \
+  _ (STANDBY, 2)
+
+typedef enum
+{
+#define _(f,n) LACP_PORT_##f = (n),
+  foreach_lacp_port
+#undef _
+} lacp_port_t;
+
+/* Port state */
+#define foreach_lacp_state                  \
+  _(0, LACP_ACTIVITY, "activity")           \
+  _(1, LACP_TIMEOUT, "lacp timeout")         \
+  _(2, AGGREGATION, "aggregation")           \
+  _(3, SYNCHRONIZATION, "synchronization")   \
+  _(4, COLLECTING, "collecting")            \
+  _(5, DISTRIBUTING, "distributing")         \
+  _(6, DEFAULTED, "defaulted")               \
+  _(7, EXPIRED, "expired")
+
+typedef enum
+{
+#define _(a, b, c) LACP_STATE_##b = (1 << a),
+  foreach_lacp_state
+#undef _
+} lacp_state_t;
+
+#define foreach_lacp_state_flag                                \
+  _(0, LACP_STATE_LACP_ACTIViTY, "activity")           \
+  _(1, LACP_STATE_LACP_TIMEOUT, "lacp timeout")         \
+  _(2, LACP_STATE_AGGREGATION, "aggregation")           \
+  _(3, LACP_STATE_SYNCHRONIZATION, "synchronization")   \
+  _(4, LACP_STATE_COLLECTIING, "collecting")            \
+  _(5, LACP_STATE_DISTRIBUTING, "distributing")         \
+  _(6, LACP_STATE_DEFAULTED, "defaulted")               \
+  _(7, LACP_STATE_EXPIRED, "expired")
+
+typedef struct
+{
+  u8 bit;
+  char *str;
+} lacp_state_struct;
+
+typedef struct
+{
+  u8 bit;
+  char *str;
+} lacp_event_struct;
+
+#define LACP_MAX_TX_IN_SECOND           3
+#define LACP_DEFAULT_PORT_PRIORITY      0x00ff
+#define LACP_DEFAULT_SYSTEM_PRIORITY    0xffff
+
+typedef CLIB_PACKED (struct
+                    {
+                    u8 tlv_type;
+                    u8 tlv_length;
+                    lacp_port_info_t port_info; u8 reserved[3];
+                    }) lacp_actor_partner_t;
+
+typedef CLIB_PACKED (struct
+                    {
+                    u8 tlv_type; u8 tlv_length; u16 max_delay;
+                    u8 reserved[12];
+                    }) lacp_collector_t;
+
+typedef CLIB_PACKED (struct
+                    {
+                    u8 tlv_type; u8 tlv_length;
+                    u8 pad[50];
+                    }) lacp_terminator_t;
+
+typedef CLIB_PACKED (struct
+                    {
+                    u8 subtype; u8 version_number;
+                    lacp_actor_partner_t actor; lacp_actor_partner_t partner;
+                    lacp_collector_t collector; lacp_terminator_t terminator;
+                    }) lacp_pdu_t;
+
+typedef CLIB_PACKED (struct
+                    {
+                    ethernet_header_t ethernet; lacp_pdu_t lacp;
+                    }) ethernet_lacp_pdu_t;
+
+#define MARKER_SUBTYPE                  2
+#define MARKER_PROTOCOL_VERSION         1
+
+#define foreach_marker_tlv      \
+  _ (TERMINATOR_INFORMATION, 0) \
+  _ (INFORMATION, 1)            \
+  _ (RESPONSE_INFORMATION , 2)
+
+typedef enum
+{
+#define _(f,n) MARKER_##f = (n),
+  foreach_marker_tlv
+#undef _
+} marker_tlv_t;
+
+typedef CLIB_PACKED (struct
+                    {
+                    u8 tlv_type; u8 tlv_length;
+                    u8 reserved[90];
+                    }) marker_terminator_t;
+
+typedef CLIB_PACKED (struct
+                    {
+                    u8 tlv_type;
+                    u8 tlv_length;
+                    u16 requester_port; u8 requester_system[6];
+                    u32 requester_transaction_id; u8 pad[2];
+                    }) marker_information_t;
+
+typedef CLIB_PACKED (struct
+                    {
+                    u8 subtype;
+                    u8 version_number;
+                    marker_information_t marker_info;
+                    marker_terminator_t terminator;
+                    }) marker_pdu_t;
+
+typedef CLIB_PACKED (struct
+                    {
+                    ethernet_header_t ethernet; marker_pdu_t marker;
+                    }) ethernet_marker_pdu_t;
+
+#endif /* __included_lacp_protocol_h__ */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */