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increase initial packet size to 1280 bytes (for both IPv4 and IPv6) (#4500)

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This commit is contained in:
Marten Seemann
2024-05-09 11:55:19 +08:00
committed by GitHub
parent d1c1f18e4c
commit e90a0d4e03
11 changed files with 29 additions and 66 deletions
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12
internal/congestion/cubic_sender_test.go
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@@ -25,7 +25,7 @@ func (c *mockClock) Advance(d time.Duration) {
*c = mockClock(time.Time(*c).Add(d))
}
const MaxCongestionWindow protocol.ByteCount = 200 * maxDatagramSize
const MaxCongestionWindow = 200 * maxDatagramSize
var _ = Describe("Cubic Sender", func() {
var (
@@ -47,7 +47,7 @@ var _ = Describe("Cubic Sender", func() {
&clock,
rttStats,
true, /*reno*/
protocol.InitialPacketSizeIPv4,
protocol.InitialPacketSize,
initialCongestionWindowPackets*maxDatagramSize,
MaxCongestionWindow,
nil,
@@ -319,7 +319,7 @@ var _ = Describe("Cubic Sender", func() {
It("tcp cubic reset epoch on quiescence", func() {
const maxCongestionWindow = 50
const maxCongestionWindowBytes = maxCongestionWindow * maxDatagramSize
sender = newCubicSender(&clock, rttStats, false, protocol.InitialPacketSizeIPv4, initialCongestionWindowPackets*maxDatagramSize, maxCongestionWindowBytes, nil)
sender = newCubicSender(&clock, rttStats, false, protocol.InitialPacketSize, initialCongestionWindowPackets*maxDatagramSize, maxCongestionWindowBytes, nil)
numSent := SendAvailableSendWindow()
@@ -460,7 +460,7 @@ var _ = Describe("Cubic Sender", func() {
It("slow starts up to the maximum congestion window", func() {
const initialMaxCongestionWindow = protocol.MaxCongestionWindowPackets * initialMaxDatagramSize
sender = newCubicSender(&clock, rttStats, true, protocol.InitialPacketSizeIPv4, initialCongestionWindowPackets*maxDatagramSize, initialMaxCongestionWindow, nil)
sender = newCubicSender(&clock, rttStats, true, protocol.InitialPacketSize, initialCongestionWindowPackets*maxDatagramSize, initialMaxCongestionWindow, nil)
for i := 1; i < protocol.MaxCongestionWindowPackets; i++ {
sender.MaybeExitSlowStart()
@@ -475,7 +475,7 @@ var _ = Describe("Cubic Sender", func() {
It("slow starts up to maximum congestion window, if larger packets are sent", func() {
const initialMaxCongestionWindow = protocol.MaxCongestionWindowPackets * initialMaxDatagramSize
sender = newCubicSender(&clock, rttStats, true, protocol.InitialPacketSizeIPv4, initialCongestionWindowPackets*maxDatagramSize, initialMaxCongestionWindow, nil)
sender = newCubicSender(&clock, rttStats, true, protocol.InitialPacketSize, initialCongestionWindowPackets*maxDatagramSize, initialMaxCongestionWindow, nil)
const packetSize = initialMaxDatagramSize + 100
sender.SetMaxDatagramSize(packetSize)
for i := 1; i < protocol.MaxCongestionWindowPackets; i++ {
@@ -490,7 +490,7 @@ var _ = Describe("Cubic Sender", func() {
It("limit cwnd increase in congestion avoidance", func() {
// Enable Cubic.
sender = newCubicSender(&clock, rttStats, false, protocol.InitialPacketSizeIPv4, initialCongestionWindowPackets*maxDatagramSize, MaxCongestionWindow, nil)
sender = newCubicSender(&clock, rttStats, false, protocol.InitialPacketSize, initialCongestionWindowPackets*maxDatagramSize, MaxCongestionWindow, nil)
numSent := SendAvailableSendWindow()
// Make sure we fall out of slow start.