// Copyright (c) 2018 Open Networking Foundation
//
// 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.

syntax = "proto3";

option go_package = "github.com/opencord/voltha-protos/v4/go/tech_profile";
option java_package = "org.opencord.voltha.tech_profile";

package tech_profile;
import "google/api/annotations.proto";

enum Direction {
    UPSTREAM = 0;
    DOWNSTREAM = 1;
    BIDIRECTIONAL = 2;
}

enum SchedulingPolicy {
    WRR = 0;
    StrictPriority = 1;
    Hybrid = 2;
}

enum AdditionalBW {
    AdditionalBW_None = 0;
    AdditionalBW_NA = 1;
    AdditionalBW_BestEffort = 2;
    AdditionalBW_Auto = 3;
}

enum DiscardPolicy {
    TailDrop = 0;
    WTailDrop = 1;
    Red = 2;
    WRed = 3;
}

enum InferredAdditionBWIndication {
    InferredAdditionBWIndication_None = 0;
    InferredAdditionBWIndication_Assured = 1;
    InferredAdditionBWIndication_BestEffort = 2;
}

message SchedulerConfig {
    Direction direction = 1;
    AdditionalBW additional_bw = 2; // Valid on for “direction == Upstream”.
    fixed32 priority = 3;
    fixed32 weight = 4;
    SchedulingPolicy sched_policy = 5;
}

message TrafficShapingInfo {
    fixed32 cir = 1;
    fixed32 cbs = 2;
    fixed32 pir = 3;
    fixed32 pbs = 4;
    fixed32 gir = 5; // only if “direction == Upstream ”
    InferredAdditionBWIndication add_bw_ind = 6; // only if “direction == Upstream”
}

message TrafficScheduler {
    Direction direction = 1;
    fixed32 alloc_id = 2; // valid only if “direction == Upstream ”
    SchedulerConfig scheduler = 3;
    TrafficShapingInfo traffic_shaping_info = 4;
    fixed32 tech_profile_id = 5;
}

message TrafficSchedulers {
    fixed32 intf_id = 1;
    fixed32 onu_id = 2;
    fixed32 uni_id = 4;
    fixed32 port_no = 5;
    repeated TrafficScheduler traffic_scheds = 3;
}

message TailDropDiscardConfig {
    fixed32 queue_size = 1;
}

message RedDiscardConfig {
    fixed32 min_threshold = 1;
    fixed32 max_threshold = 2;
    fixed32 max_probability = 3;
}

message WRedDiscardConfig {
    RedDiscardConfig green = 1;
    RedDiscardConfig yellow = 2;
    RedDiscardConfig red = 3;
}

message DiscardConfig {
    DiscardPolicy discard_policy = 1;
    oneof discard_config {
        TailDropDiscardConfig tail_drop_discard_config = 2;
        RedDiscardConfig red_discard_config = 3;
        WRedDiscardConfig wred_discard_config = 4;
    }
}

message TrafficQueue {
    Direction direction = 1;
    fixed32 gemport_id = 2;
    string pbit_map = 3;
    bool aes_encryption = 4;
    SchedulingPolicy sched_policy = 5; // This can be SP or WRR
    fixed32 priority = 6;
    fixed32 weight = 7;
    DiscardPolicy discard_policy = 8;
    DiscardConfig discard_config = 9;
}

message TrafficQueues {
    fixed32 intf_id = 1;
    fixed32 onu_id = 2;
    fixed32 uni_id = 4;
    fixed32 port_no = 5;
    repeated TrafficQueue traffic_queues = 6;
    fixed32 tech_profile_id = 7;
}

message InstanceControl {
    string onu = 1;
    string uni = 2;
    string max_gem_payload_size = 3;
}

message QThresholds {
   uint32 q_threshold1 = 1;
   uint32 q_threshold2 = 2;
   uint32 q_threshold3 = 3;
   uint32 q_threshold4 = 4;
   uint32 q_threshold5 = 5;
   uint32 q_threshold6 = 6;
   uint32 q_threshold7 = 7;
}

message GemPortAttributes {
    fixed32 gemport_id = 1; // valid only when referenced in the tech profile instance
    string max_q_size = 2;
    string pbit_map = 3;
    string aes_encryption = 4;
    SchedulingPolicy scheduling_policy = 5; // This can be SP or WRR
    fixed32 priority_q = 6;
    fixed32 weight = 7;
    DiscardPolicy discard_policy = 8;
    RedDiscardConfig discard_config = 9; // used with version 1 of tech profile
    DiscardConfig discard_config_v2 = 14; // used with version 2 of tech profile
    string is_multicast = 10;
    fixed32 multicast_gem_id = 11;
    string dynamic_access_control_list = 12;
    string static_access_control_list = 13;
}

message SchedulerAttributes {
    Direction direction = 1;
    uint32 alloc_id = 2; //  Valid on for “direction == Upstream” and when referenced in the tech profile instance
    AdditionalBW additional_bw = 3; // Valid on for “direction == Upstream”.
    fixed32 priority = 4;
    fixed32 weight = 5;
    SchedulingPolicy q_sched_policy = 6;
}

message EPONQueueAttributes {
    string max_q_size = 1;
    string pbit_map = 2;
    uint32 gemport_id = 3;
    string aes_encryption = 4;
    string traffic_type = 5;
    uint32 unsolicited_grant_size = 6;
    uint32 nominal_interval = 7;
    uint32 tolerated_poll_jitter = 8;
    uint32 request_transmission_policy = 9;
    uint32 num_q_sets = 10;
    QThresholds q_thresholds = 11;
    SchedulingPolicy scheduling_policy = 12;
    uint32 priority_q = 13;
    uint32 weight = 14;
    DiscardPolicy discard_policy = 15;
    RedDiscardConfig discard_config = 16; // used with version 1 of tech profile
    DiscardConfig discard_config_v2 = 17; // used with version 2 of tech profile
}

// TechProfile definition (relevant for GPON, XGPON and XGS-PON technologies)
message TechProfile {
    string name = 1;
    uint32 version = 2;
    string profile_type = 3;
    uint32 num_gem_ports = 4;
    InstanceControl instance_control = 5;
    SchedulerAttributes us_scheduler = 6;
    SchedulerAttributes ds_scheduler = 7;
    repeated GemPortAttributes upstream_gem_port_attribute_list = 8;
    repeated GemPortAttributes downstream_gem_port_attribute_list = 9;
}

// EPON TechProfile definition
message EponTechProfile {
    string name = 1;
    uint32 version = 2;
    string profile_type = 3;
    uint32 num_gem_ports = 4;
    InstanceControl instance_control = 5;
    string package_type = 6;
    repeated EPONQueueAttributes upstream_queue_attribute_list= 7;
    repeated EPONQueueAttributes downstream_queue_attribute_list = 8;
}

// TechProfile Instance definition (relevant for GPON, XGPON and XGS-PON technologies)
message TechProfileInstance {
    string name = 1;
    uint32 version = 2;
    string subscriber_identifier = 3;
    string profile_type = 4;
    uint32 num_gem_ports = 5;
    InstanceControl instance_control = 6;
    SchedulerAttributes us_scheduler = 7;
    SchedulerAttributes ds_scheduler = 8;
    repeated GemPortAttributes upstream_gem_port_attribute_list = 9;
    repeated GemPortAttributes downstream_gem_port_attribute_list = 10;
}

// EPON TechProfile Instance definition.
message EponTechProfileInstance {
    string name = 1;
    uint32 version = 2;
    string subscriber_identifier = 3;
    string profile_type = 4;
    uint32 num_gem_ports = 5;
    uint32 alloc_id = 6;
    InstanceControl instance_control = 7;
    string package_type = 8;
    repeated EPONQueueAttributes upstream_queue_attribute_list= 9;
    repeated EPONQueueAttributes downstream_queue_attribute_list = 10;
}

// Resource Instance definition
message ResourceInstance {
    uint32 tp_id = 1;
    string profile_type = 2;
    string subscriber_identifier = 3;
    uint32 alloc_id = 4;
    repeated uint32 gemport_ids = 5;
}