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/*
* 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")
#define LACP_STEADY_STATE (LACP_STATE_SYNCHRONIZATION | \
LACP_STATE_COLLECTING | \
LACP_STATE_DISTRIBUTING)
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:
*/
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