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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 ipv6
import (
"gvisor.dev/gvisor/pkg/tcpip"
"gvisor.dev/gvisor/pkg/tcpip/network/internal/ip"
"gvisor.dev/gvisor/pkg/tcpip/stack"
)
var _ stack.IPNetworkEndpointStats = (*Stats)(nil)
// Stats holds statistics related to the IPv6 protocol family.
type Stats struct {
// IP holds IPv6 statistics.
IP tcpip.IPStats
// ICMP holds ICMPv6 statistics.
ICMP tcpip.ICMPv6Stats
// UnhandledRouterAdvertisements is the number of Router Advertisements that
// were observed but not handled.
UnhandledRouterAdvertisements *tcpip.StatCounter
}
// IsNetworkEndpointStats implements stack.NetworkEndpointStats.
func (*Stats) IsNetworkEndpointStats() {}
// IPStats implements stack.IPNetworkEndointStats
func (s *Stats) IPStats() *tcpip.IPStats {
return &s.IP
}
type sharedStats struct {
localStats Stats
ip ip.MultiCounterIPStats
icmp multiCounterICMPv6Stats
}
// LINT.IfChange(multiCounterICMPv6PacketStats)
type multiCounterICMPv6PacketStats struct {
echoRequest tcpip.MultiCounterStat
echoReply tcpip.MultiCounterStat
dstUnreachable tcpip.MultiCounterStat
packetTooBig tcpip.MultiCounterStat
timeExceeded tcpip.MultiCounterStat
paramProblem tcpip.MultiCounterStat
routerSolicit tcpip.MultiCounterStat
routerAdvert tcpip.MultiCounterStat
neighborSolicit tcpip.MultiCounterStat
neighborAdvert tcpip.MultiCounterStat
redirectMsg tcpip.MultiCounterStat
multicastListenerQuery tcpip.MultiCounterStat
multicastListenerReport tcpip.MultiCounterStat
multicastListenerDone tcpip.MultiCounterStat
}
func (m *multiCounterICMPv6PacketStats) init(a, b *tcpip.ICMPv6PacketStats) {
m.echoRequest.Init(a.EchoRequest, b.EchoRequest)
m.echoReply.Init(a.EchoReply, b.EchoReply)
m.dstUnreachable.Init(a.DstUnreachable, b.DstUnreachable)
m.packetTooBig.Init(a.PacketTooBig, b.PacketTooBig)
m.timeExceeded.Init(a.TimeExceeded, b.TimeExceeded)
m.paramProblem.Init(a.ParamProblem, b.ParamProblem)
m.routerSolicit.Init(a.RouterSolicit, b.RouterSolicit)
m.routerAdvert.Init(a.RouterAdvert, b.RouterAdvert)
m.neighborSolicit.Init(a.NeighborSolicit, b.NeighborSolicit)
m.neighborAdvert.Init(a.NeighborAdvert, b.NeighborAdvert)
m.redirectMsg.Init(a.RedirectMsg, b.RedirectMsg)
m.multicastListenerQuery.Init(a.MulticastListenerQuery, b.MulticastListenerQuery)
m.multicastListenerReport.Init(a.MulticastListenerReport, b.MulticastListenerReport)
m.multicastListenerDone.Init(a.MulticastListenerDone, b.MulticastListenerDone)
}
// LINT.ThenChange(../../tcpip.go:ICMPv6PacketStats)
// LINT.IfChange(multiCounterICMPv6SentPacketStats)
type multiCounterICMPv6SentPacketStats struct {
multiCounterICMPv6PacketStats
dropped tcpip.MultiCounterStat
rateLimited tcpip.MultiCounterStat
}
func (m *multiCounterICMPv6SentPacketStats) init(a, b *tcpip.ICMPv6SentPacketStats) {
m.multiCounterICMPv6PacketStats.init(&a.ICMPv6PacketStats, &b.ICMPv6PacketStats)
m.dropped.Init(a.Dropped, b.Dropped)
m.rateLimited.Init(a.RateLimited, b.RateLimited)
}
// LINT.ThenChange(../../tcpip.go:ICMPv6SentPacketStats)
// LINT.IfChange(multiCounterICMPv6ReceivedPacketStats)
type multiCounterICMPv6ReceivedPacketStats struct {
multiCounterICMPv6PacketStats
unrecognized tcpip.MultiCounterStat
invalid tcpip.MultiCounterStat
routerOnlyPacketsDroppedByHost tcpip.MultiCounterStat
}
func (m *multiCounterICMPv6ReceivedPacketStats) init(a, b *tcpip.ICMPv6ReceivedPacketStats) {
m.multiCounterICMPv6PacketStats.init(&a.ICMPv6PacketStats, &b.ICMPv6PacketStats)
m.unrecognized.Init(a.Unrecognized, b.Unrecognized)
m.invalid.Init(a.Invalid, b.Invalid)
m.routerOnlyPacketsDroppedByHost.Init(a.RouterOnlyPacketsDroppedByHost, b.RouterOnlyPacketsDroppedByHost)
}
// LINT.ThenChange(../../tcpip.go:ICMPv6ReceivedPacketStats)
// LINT.IfChange(multiCounterICMPv6Stats)
type multiCounterICMPv6Stats struct {
packetsSent multiCounterICMPv6SentPacketStats
packetsReceived multiCounterICMPv6ReceivedPacketStats
}
func (m *multiCounterICMPv6Stats) init(a, b *tcpip.ICMPv6Stats) {
m.packetsSent.init(&a.PacketsSent, &b.PacketsSent)
m.packetsReceived.init(&a.PacketsReceived, &b.PacketsReceived)
}
// LINT.ThenChange(../../tcpip.go:ICMPv6Stats)
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