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authorOpenShift Merge Robot <openshift-merge-robot@users.noreply.github.com>2020-01-23 06:15:11 -0800
committerGitHub <noreply@github.com>2020-01-23 06:15:11 -0800
commit8098cbbee192e644de505e62c4aa0341f4acb4a5 (patch)
tree50af7ba7e829ab4d6fc9ba143e13f79dc04f4f64 /vendor/github.com/vishvananda/netlink/class.go
parentc5f3899cb4133922a9732aff4680bb7eea3d391b (diff)
parent9f927c4709a51ef72d84bb557fc371d535c19fba (diff)
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Merge pull request #4946 from containers/dependabot/go_modules/github.com/vishvananda/netlink-1.1.0
build(deps): bump github.com/vishvananda/netlink from 1.0.0 to 1.1.0
Diffstat (limited to 'vendor/github.com/vishvananda/netlink/class.go')
-rw-r--r--vendor/github.com/vishvananda/netlink/class.go141
1 files changed, 137 insertions, 4 deletions
diff --git a/vendor/github.com/vishvananda/netlink/class.go b/vendor/github.com/vishvananda/netlink/class.go
index 8ee13af48..dcc22d9e9 100644
--- a/vendor/github.com/vishvananda/netlink/class.go
+++ b/vendor/github.com/vishvananda/netlink/class.go
@@ -4,25 +4,76 @@ import (
"fmt"
)
+// Class interfaces for all classes
type Class interface {
Attrs() *ClassAttrs
Type() string
}
+// Generic networking statistics for netlink users.
+// This file contains "gnet_" prefixed structs and relevant functions.
+// See Documentation/networking/getn_stats.txt in Linux source code for more details.
+
+// GnetStatsBasic Ref: struct gnet_stats_basic { ... }
+type GnetStatsBasic struct {
+ Bytes uint64 // number of seen bytes
+ Packets uint32 // number of seen packets
+}
+
+// GnetStatsRateEst Ref: struct gnet_stats_rate_est { ... }
+type GnetStatsRateEst struct {
+ Bps uint32 // current byte rate
+ Pps uint32 // current packet rate
+}
+
+// GnetStatsRateEst64 Ref: struct gnet_stats_rate_est64 { ... }
+type GnetStatsRateEst64 struct {
+ Bps uint64 // current byte rate
+ Pps uint64 // current packet rate
+}
+
+// GnetStatsQueue Ref: struct gnet_stats_queue { ... }
+type GnetStatsQueue struct {
+ Qlen uint32 // queue length
+ Backlog uint32 // backlog size of queue
+ Drops uint32 // number of dropped packets
+ Requeues uint32 // number of requues
+ Overlimits uint32 // number of enqueues over the limit
+}
+
+// ClassStatistics representation based on generic networking statistics for netlink.
+// See Documentation/networking/gen_stats.txt in Linux source code for more details.
+type ClassStatistics struct {
+ Basic *GnetStatsBasic
+ Queue *GnetStatsQueue
+ RateEst *GnetStatsRateEst
+}
+
+// NewClassStatistics Construct a ClassStatistics struct which fields are all initialized by 0.
+func NewClassStatistics() *ClassStatistics {
+ return &ClassStatistics{
+ Basic: &GnetStatsBasic{},
+ Queue: &GnetStatsQueue{},
+ RateEst: &GnetStatsRateEst{},
+ }
+}
+
// ClassAttrs represents a netlink class. A filter is associated with a link,
// has a handle and a parent. The root filter of a device should have a
// parent == HANDLE_ROOT.
type ClassAttrs struct {
- LinkIndex int
- Handle uint32
- Parent uint32
- Leaf uint32
+ LinkIndex int
+ Handle uint32
+ Parent uint32
+ Leaf uint32
+ Statistics *ClassStatistics
}
func (q ClassAttrs) String() string {
return fmt.Sprintf("{LinkIndex: %d, Handle: %s, Parent: %s, Leaf: %d}", q.LinkIndex, HandleStr(q.Handle), HandleStr(q.Parent), q.Leaf)
}
+// HtbClassAttrs stores the attributes of HTB class
type HtbClassAttrs struct {
// TODO handle all attributes
Rate uint64
@@ -54,10 +105,12 @@ func (q HtbClass) String() string {
return fmt.Sprintf("{Rate: %d, Ceil: %d, Buffer: %d, Cbuffer: %d}", q.Rate, q.Ceil, q.Buffer, q.Cbuffer)
}
+// Attrs returns the class attributes
func (q *HtbClass) Attrs() *ClassAttrs {
return &q.ClassAttrs
}
+// Type return the class type
func (q *HtbClass) Type() string {
return "htb"
}
@@ -69,10 +122,90 @@ type GenericClass struct {
ClassType string
}
+// Attrs return the class attributes
func (class *GenericClass) Attrs() *ClassAttrs {
return &class.ClassAttrs
}
+// Type return the class type
func (class *GenericClass) Type() string {
return class.ClassType
}
+
+// ServiceCurve is the way the HFSC curve are represented
+type ServiceCurve struct {
+ m1 uint32
+ d uint32
+ m2 uint32
+}
+
+// Attrs return the parameters of the service curve
+func (c *ServiceCurve) Attrs() (uint32, uint32, uint32) {
+ return c.m1, c.d, c.m2
+}
+
+// HfscClass is a representation of the HFSC class
+type HfscClass struct {
+ ClassAttrs
+ Rsc ServiceCurve
+ Fsc ServiceCurve
+ Usc ServiceCurve
+}
+
+// SetUsc sets the Usc curve
+func (hfsc *HfscClass) SetUsc(m1 uint32, d uint32, m2 uint32) {
+ hfsc.Usc = ServiceCurve{m1: m1 / 8, d: d, m2: m2 / 8}
+}
+
+// SetFsc sets the Fsc curve
+func (hfsc *HfscClass) SetFsc(m1 uint32, d uint32, m2 uint32) {
+ hfsc.Fsc = ServiceCurve{m1: m1 / 8, d: d, m2: m2 / 8}
+}
+
+// SetRsc sets the Rsc curve
+func (hfsc *HfscClass) SetRsc(m1 uint32, d uint32, m2 uint32) {
+ hfsc.Rsc = ServiceCurve{m1: m1 / 8, d: d, m2: m2 / 8}
+}
+
+// SetSC implements the SC from the tc CLI
+func (hfsc *HfscClass) SetSC(m1 uint32, d uint32, m2 uint32) {
+ hfsc.Rsc = ServiceCurve{m1: m1 / 8, d: d, m2: m2 / 8}
+ hfsc.Fsc = ServiceCurve{m1: m1 / 8, d: d, m2: m2 / 8}
+}
+
+// SetUL implements the UL from the tc CLI
+func (hfsc *HfscClass) SetUL(m1 uint32, d uint32, m2 uint32) {
+ hfsc.Usc = ServiceCurve{m1: m1 / 8, d: d, m2: m2 / 8}
+}
+
+// SetLS implements the LS from the tc CLI
+func (hfsc *HfscClass) SetLS(m1 uint32, d uint32, m2 uint32) {
+ hfsc.Fsc = ServiceCurve{m1: m1 / 8, d: d, m2: m2 / 8}
+}
+
+// NewHfscClass returns a new HFSC struct with the set parameters
+func NewHfscClass(attrs ClassAttrs) *HfscClass {
+ return &HfscClass{
+ ClassAttrs: attrs,
+ Rsc: ServiceCurve{},
+ Fsc: ServiceCurve{},
+ Usc: ServiceCurve{},
+ }
+}
+
+func (hfsc *HfscClass) String() string {
+ return fmt.Sprintf(
+ "{%s -- {RSC: {m1=%d d=%d m2=%d}} {FSC: {m1=%d d=%d m2=%d}} {USC: {m1=%d d=%d m2=%d}}}",
+ hfsc.Attrs(), hfsc.Rsc.m1*8, hfsc.Rsc.d, hfsc.Rsc.m2*8, hfsc.Fsc.m1*8, hfsc.Fsc.d, hfsc.Fsc.m2*8, hfsc.Usc.m1*8, hfsc.Usc.d, hfsc.Usc.m2*8,
+ )
+}
+
+// Attrs return the Hfsc parameters
+func (hfsc *HfscClass) Attrs() *ClassAttrs {
+ return &hfsc.ClassAttrs
+}
+
+// Type return the type of the class
+func (hfsc *HfscClass) Type() string {
+ return "hfsc"
+}