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// Copyright 2020 The gVisor Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package ipv4
import (
"gvisor.dev/gvisor/pkg/tcpip"
"gvisor.dev/gvisor/pkg/tcpip/network/ip"
"gvisor.dev/gvisor/pkg/tcpip/stack"
)
var _ stack.IPNetworkEndpointStats = (*Stats)(nil)
// Stats holds statistics related to the IPv4 protocol family.
type Stats struct {
// IP holds IPv4 statistics.
IP tcpip.IPStats
// IGMP holds IGMP statistics.
IGMP tcpip.IGMPStats
// ICMP holds ICMPv4 statistics.
ICMP tcpip.ICMPv4Stats
}
// IsNetworkEndpointStats implements stack.NetworkEndpointStats.
func (s *Stats) IsNetworkEndpointStats() {}
// IPStats implements stack.IPNetworkEndointStats
func (s *Stats) IPStats() *tcpip.IPStats {
return &s.IP
}
type sharedStats struct {
localStats Stats
ip ip.MultiCounterIPStats
icmp multiCounterICMPv4Stats
igmp multiCounterIGMPStats
}
// LINT.IfChange(multiCounterICMPv4PacketStats)
type multiCounterICMPv4PacketStats struct {
echo tcpip.MultiCounterStat
echoReply tcpip.MultiCounterStat
dstUnreachable tcpip.MultiCounterStat
srcQuench tcpip.MultiCounterStat
redirect tcpip.MultiCounterStat
timeExceeded tcpip.MultiCounterStat
paramProblem tcpip.MultiCounterStat
timestamp tcpip.MultiCounterStat
timestampReply tcpip.MultiCounterStat
infoRequest tcpip.MultiCounterStat
infoReply tcpip.MultiCounterStat
}
func (m *multiCounterICMPv4PacketStats) init(a, b *tcpip.ICMPv4PacketStats) {
m.echo.Init(a.Echo, b.Echo)
m.echoReply.Init(a.EchoReply, b.EchoReply)
m.dstUnreachable.Init(a.DstUnreachable, b.DstUnreachable)
m.srcQuench.Init(a.SrcQuench, b.SrcQuench)
m.redirect.Init(a.Redirect, b.Redirect)
m.timeExceeded.Init(a.TimeExceeded, b.TimeExceeded)
m.paramProblem.Init(a.ParamProblem, b.ParamProblem)
m.timestamp.Init(a.Timestamp, b.Timestamp)
m.timestampReply.Init(a.TimestampReply, b.TimestampReply)
m.infoRequest.Init(a.InfoRequest, b.InfoRequest)
m.infoReply.Init(a.InfoReply, b.InfoReply)
}
// LINT.ThenChange(../../tcpip.go:ICMPv4PacketStats)
// LINT.IfChange(multiCounterICMPv4SentPacketStats)
type multiCounterICMPv4SentPacketStats struct {
multiCounterICMPv4PacketStats
dropped tcpip.MultiCounterStat
rateLimited tcpip.MultiCounterStat
}
func (m *multiCounterICMPv4SentPacketStats) init(a, b *tcpip.ICMPv4SentPacketStats) {
m.multiCounterICMPv4PacketStats.init(&a.ICMPv4PacketStats, &b.ICMPv4PacketStats)
m.dropped.Init(a.Dropped, b.Dropped)
m.rateLimited.Init(a.RateLimited, b.RateLimited)
}
// LINT.ThenChange(../../tcpip.go:ICMPv4SentPacketStats)
// LINT.IfChange(multiCounterICMPv4ReceivedPacketStats)
type multiCounterICMPv4ReceivedPacketStats struct {
multiCounterICMPv4PacketStats
invalid tcpip.MultiCounterStat
}
func (m *multiCounterICMPv4ReceivedPacketStats) init(a, b *tcpip.ICMPv4ReceivedPacketStats) {
m.multiCounterICMPv4PacketStats.init(&a.ICMPv4PacketStats, &b.ICMPv4PacketStats)
m.invalid.Init(a.Invalid, b.Invalid)
}
// LINT.ThenChange(../../tcpip.go:ICMPv4ReceivedPacketStats)
// LINT.IfChange(multiCounterICMPv4Stats)
type multiCounterICMPv4Stats struct {
packetsSent multiCounterICMPv4SentPacketStats
packetsReceived multiCounterICMPv4ReceivedPacketStats
}
func (m *multiCounterICMPv4Stats) init(a, b *tcpip.ICMPv4Stats) {
m.packetsSent.init(&a.PacketsSent, &b.PacketsSent)
m.packetsReceived.init(&a.PacketsReceived, &b.PacketsReceived)
}
// LINT.ThenChange(../../tcpip.go:ICMPv4Stats)
// LINT.IfChange(multiCounterIGMPPacketStats)
type multiCounterIGMPPacketStats struct {
membershipQuery tcpip.MultiCounterStat
v1MembershipReport tcpip.MultiCounterStat
v2MembershipReport tcpip.MultiCounterStat
leaveGroup tcpip.MultiCounterStat
}
func (m *multiCounterIGMPPacketStats) init(a, b *tcpip.IGMPPacketStats) {
m.membershipQuery.Init(a.MembershipQuery, b.MembershipQuery)
m.v1MembershipReport.Init(a.V1MembershipReport, b.V1MembershipReport)
m.v2MembershipReport.Init(a.V2MembershipReport, b.V2MembershipReport)
m.leaveGroup.Init(a.LeaveGroup, b.LeaveGroup)
}
// LINT.ThenChange(../../tcpip.go:IGMPPacketStats)
// LINT.IfChange(multiCounterIGMPSentPacketStats)
type multiCounterIGMPSentPacketStats struct {
multiCounterIGMPPacketStats
dropped tcpip.MultiCounterStat
}
func (m *multiCounterIGMPSentPacketStats) init(a, b *tcpip.IGMPSentPacketStats) {
m.multiCounterIGMPPacketStats.init(&a.IGMPPacketStats, &b.IGMPPacketStats)
m.dropped.Init(a.Dropped, b.Dropped)
}
// LINT.ThenChange(../../tcpip.go:IGMPSentPacketStats)
// LINT.IfChange(multiCounterIGMPReceivedPacketStats)
type multiCounterIGMPReceivedPacketStats struct {
multiCounterIGMPPacketStats
invalid tcpip.MultiCounterStat
checksumErrors tcpip.MultiCounterStat
unrecognized tcpip.MultiCounterStat
}
func (m *multiCounterIGMPReceivedPacketStats) init(a, b *tcpip.IGMPReceivedPacketStats) {
m.multiCounterIGMPPacketStats.init(&a.IGMPPacketStats, &b.IGMPPacketStats)
m.invalid.Init(a.Invalid, b.Invalid)
m.checksumErrors.Init(a.ChecksumErrors, b.ChecksumErrors)
m.unrecognized.Init(a.Unrecognized, b.Unrecognized)
}
// LINT.ThenChange(../../tcpip.go:IGMPReceivedPacketStats)
// LINT.IfChange(multiCounterIGMPStats)
type multiCounterIGMPStats struct {
packetsSent multiCounterIGMPSentPacketStats
packetsReceived multiCounterIGMPReceivedPacketStats
}
func (m *multiCounterIGMPStats) init(a, b *tcpip.IGMPStats) {
m.packetsSent.init(&a.PacketsSent, &b.PacketsSent)
m.packetsReceived.init(&a.PacketsReceived, &b.PacketsReceived)
}
// LINT.ThenChange(../../tcpip.go:IGMPStats)
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