tc

type Action interface {
	// Kind returns this action's type.
	Kind() string
	// Cmd creates and returns "tc" sub-command using this filter action.
	Cmd() []string
}

type CMD interface {
	// Cmd creates and returns "tc" sub-command using this qdisc.
	Cmd() []string
}

type Class interface {
	// Kind returns this class's type.
	Kind() string
	// Attrs returns basic attributes of this filter.
	Attrs() ClassAttrs
	// Cmd creates and returns "tc" sub-command using this qdisc.
	Cmd() []string
}

type ClassAttrs struct {
	Link   netlink.Link
	Handle Handle
	Parent Handle
}

type CmdTC struct {
	// contains filtered or unexported fields
}

type ConformExceed int32

type Filter interface {
	// Kind returns this filter's type.
	Kind() string
	// Attrs returns basic attributes of this filter.
	Attrs() FilterAttrs
	// Cmd creates and returns "tc" sub-command using this filter.
	Cmd() []string
}

type FilterAttrs struct {
	Link     netlink.Link
	Parent   Handle
	Priority uint16
	Protocol Protocol
}

type HTBClass struct {
	ClassAttrs
	Rate uint64
	Ceil uint64
}

type HTBQDisc struct {
	QDiscAttrs
}

type Handle uint32

type Ingress struct {
	QDiscAttrs
}

type MirredAction struct {
	Dev    netlink.Link
	Action MirredActionType
}

type MirredActionType int

type PfifoQDisc struct {
	QDiscAttrs
	// Limit constrains the queue size as measured in packets.
	Limit uint32
}

type PoliceAction struct {
	// The maximum traffic rate of packets passing this action.
	Rate uint64
	// Set the maximum allowed burst in bytes.
	Burst uint64
	// This is the maximum packet size handled by the policer.
	MTU uint32
	// PeakRate sets the maximum bucket depletion rate, exceeding rate.
	PeakRate uint64
	// Overhead accounts for protocol overhead of encapsulating output devices
	// when computing rate and peakrate.
	Overhead uint64
	// Define how to handle packets which exceed or conform the configured
	// bandwidth limit.
	ConformExceed ConformExceed
}

type Protocol int

type QDisc interface {
	// Type returns this qdisc name, for example "tbf", "htb", etc.
	Type() string
	// Attrs returns basic attributes of this qdisc.
	Attrs() QDiscAttrs
	// Cmd creates and returns "tc" sub-command using this qdisc.
	Cmd() []string
}

type QDiscAttrs struct {
	Link   netlink.Link
	Handle Handle
	Parent Handle
}

type TC interface {
	QDiscAdd(qdisc QDisc) error
	QDiscDel(qdisc QDisc) error
	ClassAdd(class Class) error
	ClassDel(class Class) error
	FilterAdd(filter Filter) error
	FilterDel(filter Filter) error
	Close() error
}

type TFBQDisc struct {
	QDiscAttrs
	// Rate in bits per second.
	Rate uint64
	// Size of bucket in bytes.
	Burst uint64
	// Latency in microseconds.
	Latency uint32
}

type U32 struct {
	FilterAttrs

	FlowID   Handle
	Selector U32Key
	Actions  []Action
}

type U32Key struct {
	Val     uint32
	Mask    uint32
	Off     int
	OffMask int
}