From c750a61f1836d48aacb1c74deafb05cfb549eb92 Mon Sep 17 00:00:00 2001
From: Vishvananda Ishaya Abrams <vishvananda@gmail.com>
Date: Tue, 13 Dec 2016 18:04:10 -0800
Subject: [PATCH] Set rates higher than 32bit integers

---
 nl/nl_linux.go | 7 +++++++
 qdisc_linux.go | 4 +++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/nl/nl_linux.go b/nl/nl_linux.go
index d46fff2..ab41fa1 100644
--- a/nl/nl_linux.go
+++ b/nl/nl_linux.go
@@ -656,6 +656,13 @@ func Uint32Attr(v uint32) []byte {
 	return bytes
 }
 
+func Uint64Attr(v uint64) []byte {
+	native := NativeEndian()
+	bytes := make([]byte, 8)
+	native.PutUint64(bytes, v)
+	return bytes
+}
+
 func ParseRouteAttr(b []byte) ([]syscall.NetlinkRouteAttr, error) {
 	var attrs []syscall.NetlinkRouteAttr
 	for len(b) >= syscall.SizeofRtAttr {
diff --git a/qdisc_linux.go b/qdisc_linux.go
index 1bb4856..77ce5b8 100644
--- a/qdisc_linux.go
+++ b/qdisc_linux.go
@@ -168,11 +168,13 @@ func qdiscPayload(req *nl.NetlinkRequest, qdisc Qdisc) error {
 		options = nl.NewRtAttr(nl.TCA_OPTIONS, tcmap.Serialize())
 	} else if tbf, ok := qdisc.(*Tbf); ok {
 		opt := nl.TcTbfQopt{}
-		// TODO: handle rate > uint32
 		opt.Rate.Rate = uint32(tbf.Rate)
 		opt.Limit = tbf.Limit
 		opt.Buffer = tbf.Buffer
 		nl.NewRtAttrChild(options, nl.TCA_TBF_PARMS, opt.Serialize())
+		if tbf.Rate >= uint64(1<<32) {
+			nl.NewRtAttrChild(options, nl.TCA_TBF_RATE64, nl.Uint64Attr(tbf.Rate))
+		}
 	} else if htb, ok := qdisc.(*Htb); ok {
 		opt := nl.TcHtbGlob{}
 		opt.Version = htb.Version