enable rule statistic and time statistic for flower actions

class.go

@@ -47,6 +47,7 @@ type ClassStatistics struct {
 	Basic   *GnetStatsBasic
 	Queue   *GnetStatsQueue
 	RateEst *GnetStatsRateEst
+	BasicHw *GnetStatsBasic // Hardward statistics added in kernel 4.20
 }
 
 // NewClassStatistics Construct a ClassStatistics struct which fields are all initialized by 0.
@@ -55,6 +56,7 @@ func NewClassStatistics() *ClassStatistics {
 		Basic:   &GnetStatsBasic{},
 		Queue:   &GnetStatsQueue{},
 		RateEst: &GnetStatsRateEst{},
+		BasicHw: &GnetStatsBasic{},
 	}
 }
 

class_linux.go

@@ -388,6 +388,11 @@ func parseTcStats2(data []byte) (*ClassStatistics, error) {
 				return nil, fmt.Errorf("Failed to parse ClassStatistics.RateEst with: %v\n%s",
 					err, hex.Dump(datum.Value))
 			}
+		case nl.TCA_STATS_BASIC_HW:
+			if err := parseGnetStats(datum.Value, stats.BasicHw); err != nil {
+				return nil, fmt.Errorf("Failed to parse ClassStatistics.BasicHw with: %v\n%s",
+					err, hex.Dump(datum.Value))
+			}
 		}
 	}
 

filter.go

@@ -123,12 +123,27 @@ type ActionAttrs struct {
 	Action     TcAct
 	Refcnt     int
 	Bindcnt    int
+	Statistics *ActionStatistic
+	Timestamp  *ActionTimestamp
 }
 
 func (q ActionAttrs) String() string {
 	return fmt.Sprintf("{Index: %d, Capab: %x, Action: %s, Refcnt: %d, Bindcnt: %d}", q.Index, q.Capab, q.Action.String(), q.Refcnt, q.Bindcnt)
 }
 
+type ActionTimestamp struct {
+	Installed uint64
+	LastUsed  uint64
+	Expires   uint64
+	FirstUsed uint64
+}
+
+func (t ActionTimestamp) String() string {
+	return fmt.Sprintf("Installed %d LastUsed %d Expires %d FirstUsed %d", t.Installed, t.LastUsed, t.Expires, t.FirstUsed)
+}
+
+type ActionStatistic ClassStatistics
+
 // Action represents an action in any supported filter.
 type Action interface {
 	Attrs() *ActionAttrs

filter_linux.go

@@ -528,6 +528,14 @@ func toAttrs(tcgen *nl.TcGen, attrs *ActionAttrs) {
 	attrs.Bindcnt = int(tcgen.Bindcnt)
 }
 
+func toTimeStamp(tcf *nl.Tcf) *ActionTimestamp {
+	return &ActionTimestamp{
+		Installed: tcf.Install,
+		LastUsed:  tcf.LastUse,
+		Expires:   tcf.Expires,
+		FirstUsed: tcf.FirstUse}
+}
+
 func encodePolice(attr *nl.RtAttr, action *PoliceAction) error {
 	var rtab [256]uint32
 	var ptab [256]uint32
@@ -748,6 +756,8 @@ func parseActions(tables []syscall.NetlinkRouteAttr) ([]Action, error) {
 	for _, table := range tables {
 		var action Action
 		var actionType string
+		var actionnStatistic *ActionStatistic
+		var actionTimestamp *ActionTimestamp
 		aattrs, err := nl.ParseRouteAttr(table.Value)
 		if err != nil {
 			return nil, err
@@ -795,7 +805,11 @@ func parseActions(tables []syscall.NetlinkRouteAttr) ([]Action, error) {
 							toAttrs(&mirred.TcGen, action.Attrs())
 							action.(*MirredAction).Ifindex = int(mirred.Ifindex)
 							action.(*MirredAction).MirredAction = MirredAct(mirred.Eaction)
+						case nl.TCA_MIRRED_TM:
+							tcTs := nl.DeserializeTcf(adatum.Value)
+							actionTimestamp = toTimeStamp(tcTs)
 						}
+
 					case "tunnel_key":
 						switch adatum.Attr.Type {
 						case nl.TCA_TUNNEL_KEY_PARMS:
@@ -811,6 +825,9 @@ func parseActions(tables []syscall.NetlinkRouteAttr) ([]Action, error) {
 							action.(*TunnelKeyAction).DstAddr = adatum.Value[:]
 						case nl.TCA_TUNNEL_KEY_ENC_DST_PORT:
 							action.(*TunnelKeyAction).DestPort = ntohs(adatum.Value)
+						case nl.TCA_TUNNEL_KEY_TM:
+							tcTs := nl.DeserializeTcf(adatum.Value)
+							actionTimestamp = toTimeStamp(tcTs)
 						}
 					case "skbedit":
 						switch adatum.Attr.Type {
@@ -833,6 +850,9 @@ func parseActions(tables []syscall.NetlinkRouteAttr) ([]Action, error) {
 						case nl.TCA_SKBEDIT_QUEUE_MAPPING:
 							mapping := native.Uint16(adatum.Value[0:2])
 							action.(*SkbEditAction).QueueMapping = &mapping
+						case nl.TCA_SKBEDIT_TM:
+							tcTs := nl.DeserializeTcf(adatum.Value)
+							actionTimestamp = toTimeStamp(tcTs)
 						}
 					case "bpf":
 						switch adatum.Attr.Type {
@@ -843,6 +863,9 @@ func parseActions(tables []syscall.NetlinkRouteAttr) ([]Action, error) {
 							action.(*BpfAction).Fd = int(native.Uint32(adatum.Value[0:4]))
 						case nl.TCA_ACT_BPF_NAME:
 							action.(*BpfAction).Name = string(adatum.Value[:len(adatum.Value)-1])
+						case nl.TCA_ACT_BPF_TM:
+							tcTs := nl.DeserializeTcf(adatum.Value)
+							actionTimestamp = toTimeStamp(tcTs)
 						}
 					case "connmark":
 						switch adatum.Attr.Type {
@@ -851,6 +874,9 @@ func parseActions(tables []syscall.NetlinkRouteAttr) ([]Action, error) {
 							action.(*ConnmarkAction).ActionAttrs = ActionAttrs{}
 							toAttrs(&connmark.TcGen, action.Attrs())
 							action.(*ConnmarkAction).Zone = connmark.Zone
+						case nl.TCA_CONNMARK_TM:
+							tcTs := nl.DeserializeTcf(adatum.Value)
+							actionTimestamp = toTimeStamp(tcTs)
 						}
 					case "csum":
 						switch adatum.Attr.Type {
@@ -859,6 +885,9 @@ func parseActions(tables []syscall.NetlinkRouteAttr) ([]Action, error) {
 							action.(*CsumAction).ActionAttrs = ActionAttrs{}
 							toAttrs(&csum.TcGen, action.Attrs())
 							action.(*CsumAction).UpdateFlags = CsumUpdateFlags(csum.UpdateFlags)
+						case nl.TCA_CSUM_TM:
+							tcTs := nl.DeserializeTcf(adatum.Value)
+							actionTimestamp = toTimeStamp(tcTs)
 						}
 					case "gact":
 						switch adatum.Attr.Type {
@@ -868,13 +897,24 @@ func parseActions(tables []syscall.NetlinkRouteAttr) ([]Action, error) {
 							if action.Attrs().Action.String() == "goto" {
 								action.(*GenericAction).Chain = TC_ACT_EXT_VAL_MASK & gen.Action
 							}
+						case nl.TCA_GACT_TM:
+							tcTs := nl.DeserializeTcf(adatum.Value)
+							actionTimestamp = toTimeStamp(tcTs)
 						}
 					case "police":
 						parsePolice(adatum, action.(*PoliceAction))
 					}
 				}
+			case nl.TCA_ACT_STATS:
+				s, err := parseTcStats2(aattr.Value)
+				if err != nil {
+					return nil, err
+				}
+				actionnStatistic = (*ActionStatistic)(s)
 			}
 		}
+		action.Attrs().Statistics = actionnStatistic
+		action.Attrs().Timestamp = actionTimestamp
 		actions = append(actions, action)
 	}
 	return actions, nil

filter_test.go

@@ -7,6 +7,7 @@ import (
 	"net"
 	"reflect"
 	"testing"
+	"time"
 
 	"github.com/vishvananda/netlink/nl"
 	"golang.org/x/sys/unix"
@@ -1815,6 +1816,7 @@ func TestFilterFlowerAddDel(t *testing.T) {
 		t.Fatal(err)
 	}
 
+	time.Sleep(time.Second)
 	filters, err := FilterList(link, MakeHandle(0xffff, 0))
 	if err != nil {
 		t.Fatal(err)
@@ -1881,6 +1883,14 @@ func TestFilterFlowerAddDel(t *testing.T) {
 		t.Fatal("Mirred action isn't TC_ACT_STOLEN")
 	}
 
+	if mia.Timestamp == nil || mia.Timestamp.Installed == 0 {
+		t.Fatal("Incorrect mirred action timestamp")
+	}
+
+	if mia.Statistics == nil {
+		t.Fatal("Incorrect mirred action stats")
+	}
+
 	ga, ok := flower.Actions[1].(*GenericAction)
 	if !ok {
 		t.Fatal("Unable to find generic action")
@@ -1890,6 +1900,14 @@ func TestFilterFlowerAddDel(t *testing.T) {
 		t.Fatal("Generic action isn't TC_ACT_GOTO_CHAIN")
 	}
 
+	if ga.Timestamp == nil || ga.Timestamp.Installed == 0 {
+		t.Fatal("Incorrect generic action timestamp")
+	}
+
+	if ga.Statistics == nil {
+		t.Fatal("Incorrect generic action stats")
+	}
+
 	if err := FilterDel(filter); err != nil {
 		t.Fatal(err)
 	}

nl/tc_linux.go

@@ -89,7 +89,11 @@ const (
 	TCA_STATS_RATE_EST
 	TCA_STATS_QUEUE
 	TCA_STATS_APP
-	TCA_STATS_MAX = TCA_STATS_APP
+	TCA_STATS_RATE_EST64
+	TCA_STATS_PAD
+	TCA_STATS_BASIC_HW
+	TCA_STATS_PKT64
+	TCA_STATS_MAX = TCA_STATS_PKT64
 )
 
 const (
@@ -150,6 +154,18 @@ func (x *TcMsg) Serialize() []byte {
 	return (*(*[SizeofTcMsg]byte)(unsafe.Pointer(x)))[:]
 }
 
+type Tcf struct {
+	Install  uint64
+	LastUse  uint64
+	Expires  uint64
+	FirstUse uint64
+}
+
+func DeserializeTcf(b []byte) *Tcf {
+	const size = int(unsafe.Sizeof(Tcf{}))
+	return (*Tcf)(unsafe.Pointer(&b[0:size][0]))
+}
+
 // struct tcamsg {
 //   unsigned char tca_family;
 //   unsigned char tca__pad1;
@@ -1106,7 +1122,9 @@ func (x *TcSfqRedStats) Serialize() []byte {
 //		struct tc_sfq_qopt v0;
 //		unsigned int	depth;		/* max number of packets per flow */
 //		unsigned int	headdrop;
+//
 // /* SFQRED parameters */
+//
 //	__u32		limit;		/* HARD maximal flow queue length (bytes) */
 //	__u32		qth_min;	/* Min average length threshold (bytes) */
 //	__u32		qth_max;	/* Max average length threshold (bytes) */
@@ -1115,7 +1133,9 @@ func (x *TcSfqRedStats) Serialize() []byte {
 //	unsigned char   Scell_log;	/* cell size for idle damping */
 //	unsigned char	flags;
 //	__u32		max_P;		/* probability, high resolution */
+//
 // /* SFQRED stats */
+//
 //		struct tc_sfqred_stats stats;
 //	};
 type TcSfqQoptV1 struct {