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TCP/IP 详解（卷2）：实现（英文版）

作者: [美] 赖特（Gary R.Wright）著 , [美] 史蒂文斯（W.Richard Stevens）著

出版社: 人民邮电出版社

出版时间: 2010-04

版次: 1

ISBN: 9787115222480

定价: 139.00

装帧: 平装

开本: 16开

纸张: 胶版纸

页数: 1174页

字数: 1440千字

正文语种: 英语

丛书: 图灵原版计算机科学系列

分类: 计算机与互联网

　　《TCP/IP详解·卷2：实现(英文版)》是已故网络专家、著名技术作W.RichardStevens的传世之作，内容详尽且具权威性，被誉为TCP/IP领域的不朽名著。《TCP/IP详解卷2：实现(英文版)》是《TCP/IP详解》三卷本的第2卷，重点关注TCP/IP协议的实现问题。书中介绍了一个实际的TCP/IP实现，并给出了这一实现的完整源代码，大约有15000行C代码。此外，几乎每章都提供精选的习题，并在附录中提供了部分习题的答案。
　　这一卷要求读者对TCP/IP协议的工作原理以及操作系统原理有初步的了解。对TCP/IP协议不是很熟悉的读者应先阅读《TCP/IP详解》的第1卷，该书对TCP/IP协议族有比较透彻的描述。
　　《TCP/IP详解》对于网络应用的开发人员、网络管理员以及任何想了解TCP/IP协议运行原理的人员来说，都是极好的权威参考书。无论是初学者还是功底深厚的网络领域高手，这套书都应是案头必备。　　Gary.Wright，研究TCP／IP多年。他是Connix公司的董事长，Cotlnix公司的总部在康涅狄格州，主要提供Intermet接入和咨询服务。
　　W.RichardStevens（1951-1999）国际知名的LJNIX和网络专家，备受赞誉的技术作家。生前著有《TCP／IP详解》（三卷）、《UNIX环境高级编程》和《UNIX网络编程》（两卷），均为不朽的经典著作。 Prefacexix
Chapter1.Introduction1
1.1Introduction1
1.2SourceCodePresentation1
1.3History3
1.4ApplicationProgrammingInterfaces5
1.5ExampleProgram5
1.6SystemCallsandLibraryFunctions7
1.7NetworkImplementationOverview9
1.8Descriptors10
1.9Mbufs(MemoryBuffers)andOutputProcessing15
1.10InputProcessing19
1.11NetworkImplementationOverviewRevisited22
1.12InterruptLevelsandConcurrency23
1.13SourceCodeOrganization26
1.14TestNetwork28
1.15Summary29

Chapter2.Mbufs：MemoryBuffers31
2.1Introduction31
2.2CodeIntroduction36
2.3MbufDefinitions37
2.4mbufStructure38
2.5SimpleMbufMacrosandFunctions40
2.6m_devgetandm_pullupFunctions44
2.7SummaryofMbufMacrosandFunctions51
2.8SummaryofNet/3NetworkingDataStructures54
2.9m_copyandClusterReferenceCounts56
2.10Alternatives60
2.11Summary60

Chapter3.InterfaceLayer63
3.1Introduction63
3.2CodeIntroduction64
3.3ifnetStructure65
3.4ifaddrStructure73
3.5sockaddrStructure74
3.6ifnetandifaddrSpecialization76
3.7NetworkInitializationOverview77
3.8EthernetInitialization80
3.9SLIPInitialization82
3.10LoopbackInitialization85
3.11ifattachFunction85
3.12ifinitFunction93
3.13Summary94

Chapter4.Interfaces：Ethernet95
4.1Introduction95
4.2CodeIntroduction96
4.3EthernetInterface98
4.4ioct1SystemCall114
4.5Summary125

Chapter5.Interfaces：SLIPandLoopback127
5.1Introduction127
5.2CodeIntroduction127
5.3SLIPInterface128
5.4LoopbackInterface150
5.5Summary153

Chapter6.IPAddressing155
6.1Introduction155
6.2CodeIntroduction158
6.3InterfaceandAddressSummary158
6.4sockaddrinStructure160
6.5inifaddrStructure161
6.6AddressAssignment161
6.7InterfaceioctlProcessing177
6.8InternetUtilityFunctions181
6.9ifnetUtilityFunctions182
6.10Summary183

Chapter7.DomainsandProtocols185
7.1Introduction185
7.2CodeIntroduction186
7.3domainStructure187
7.4protoswStructure188
7.5IPdomainandprotoswStructures191
7.6pffindprotoandpffindtypeFunctions196
7.7pfctiinputFunction198
7.8IPInitialization199
7.9sysctlSystemCall201
7.10Summary204

Chapter8.IP：InternetProtocol205
8.1Introduction2205
8.2CodeIntroduction2206
8.3IPPackets210
8.4InputProcessing：ipintrFunction2212
8.5Forwarding：ip_forwardFunction2220
8.6OutputProcessing：ip_output　2Function228
8.7InternetChecksum：incksum　2Function234
8.8setsockoptandgetsockoptSystemCalls2239
8.9ip_sysctiFunction2244
8.10Summary245

Chapter9.IPOptionProcessing247
9.1Introduction247
9.2CodeIntroduction247
9.3OptionFormat248
9.4ip_dooptionsFunction249
9.5RecordRouteOption252
9.6SourceandRecordRouteOptions254
9.7TimestampOption261
9.8ip_insertoptionsFunction265
9.9ip_pcboptsFunction269
9.10Limitations272
9.11Summary272

Chapter10.IPFragmentationandReassembly275
10.1Introduction275
10.2CodeIntroduction277
10.3Fragmentation278
10.4ip_optcopyFunction282
10.5Reassembly283
10.6ip_reassFunction286
10.7ip_s1owtimoFunction298
10.8Summary300

Chapter11.ICMP：InternetControlMessageProtocol301
11.1Introduction301
11.2CodeIntroduction305
11.3icmpStructure308
11.4ICMPprotoswStructure309
11.5InputProcessing：icmp_inputFunction310
11.6ErrorProcessing313
11.7RequestProcessing316
11.8RedirectProcessing321
11.9ReplyProcessing323
11.10OutputProcessing324
11.11icmp_errorFunction324
11.12icmp_ref1ectFunction328
11.13icmp_sendFunction333
11.14i-icmp_sysctlFunction334
11.15Summary335

Chapter12.IPMulticasting337
12.1Introduction337
12.2CodeIntroduction340
12.3EthernetMulticastAddresses341
12.4e_thermu1tiStructure342
12.5EthernetMulticastReception344
12.6in_mu1tiStructure345
12.7ip_moptionsStructure347
12.8MulticastSocketOptions348
12.9MulticastTTLValues348
12.10ip_setmoptionsFunction351
12.11JoininganIPMulticastGroup355
12.12LeavinganIPMulticastGroup366
12.13ip_getmoptionsFunction371
12.14MulticastInputProcessing：ipintrFunction373
12.15MulticastOutputProcessing：ip_outputFunction375
12.16PerformanceConsiderations379
12.17Summary379

Chapter13.IGMP：InternetGroupManagementProtocol381
13.1Introduction381
13.2CodeIntroduction382
13.3i_gmpStructure384
13.4IGMPprotoswStructure384
13.5JoiningaGroup：igmp_joingroupFunction386
13.6i_gmp_fasttimoFunction387
13.7InputProcessing：igmp_inputFunction391
13.8LeavingaGroup：igmp_leavegroupFunction395
13.9Summary396

Chapter14.IPMulticastRouting397
14.1Introduction397
14.2CodeIntroduction398
14.3MulticastOutputProcessingRevisited399
14.4mroutedDaemon401
14.5VirtualInterfaces404
14.6IGMPRevisited411
14.7MulticastRouting416
14.8MulticastForwarding：ip_mforwardFunction424
14.9Cleanup：ip_mrouter_doneFunction433
14.10Summary434

Chapter15.SocketLayer435
15.1Introduction435
15.2CodeIntroduction436
15.3socketStructure437
15.4SystemCalls441
15.5Processes，Descriptors，andSockets445
15.6socketSystemCall447
15.7getsockandsockargsFunctions451
15.8bindSystemCall453
15.91istenSystemCall455
15.10t_sleepandwakeupFunctions456
15.11acceptSystemCall457
15.12sonewconnandsoisconnectedFunctions461
15.13connectSystemcall464
15.14shutdownSystemCall468
15.15c1oseSystemCall471
15.16Summary474

Chapter16.SocketI/O475
16.1Introduction475
16.2CodeIntroduction475
16.3SocketBuffers476
16.4write，writev，sendto，andsendmsgSystemCalls480
16.5sendmsgSystemCall483
16.6senditFunction485
16.7sosendFunction489
16.8read，readv，recvfrom，andrecvmsgSystemCalls500
16.9recvmsgSystemCall501
16.10recvitFunction503
16.11soreceiveFunction505
16.12soreceiveCode510
16.13selectSystemCall524
16.14Summary534

Chapter17.SocketOptions537
17.1Introduction537
17.2CodeIntroduction538
17.3setsockoptSystemCall539
17.4getsockoptSystemCall545
17.5font1andioct1SystemCalls548
17.6getsocknameSystemCall554
17.7getpeernameSystemCall554
17.8Summary557

Chapter18.RadixTreeRoutingTables559
18.1Introduction559
18.2RoutingTableStructure560
18.3RoutingSockets569
18.4CodeIntroduction570
18.5RadixNodeDataStructures573
18.6RoutingStructures578
18.7Initialization：routeinitandrtableinitFunctions581
18.8Initialization：rninitandrninitheadFunctions584
18.9DuplicateKeysandMaskLists587
18.10rnmatchFunction591
18.11rnsearchFunction599
18.12Summary599

Chapter19.RoutingRequestsandRoutingMessages601
19.1Introduction601
19.2rtallocandrtalloclFunctions601
19.3RTFREEMacroandrtfreeFunction604
19.4rtrequestFunction607
19.5rt_setgateFunction612
19.6rt_initFunction615
19.7rtredirectFunction617
19.8RoutingMessageStructures621
19.9rt_missmsgFunction625
19.10rtifmsgFunction627
19.11rt_newaddrmsgFunction628
19.12rt_ms_g1Function630
19.13rt_ms_g2Function632
19.14sysctl_rtableFunction635
19.15sysctl_dumpentryFunction640
19.16sysctliflistFunction642
19.17Summary644

Chapter20.RoutingSockets645
20.1Introduction645
20.2routedomainandprotoswStructures646
20.3RoutingControlBlocks647
20.4rawinitFunction647
20.5route_outputFunction648
20.6rt_xaddrsFunction660
20.7rt_setmetricsFunction661
20.8raw_inputFunction662
20.9route_usrreqFunction664
20.10raw_usrreqFunction666
20.11raw_attach，raw_detach，andraw_disconnectFunctions671
20.12Summary672

Chapter21.ARP：AddressResolutionProtocol675
21.1Introduction675
21.2ARPandtheRoutingTable675
21.3CodeIntroduction678
21.4ARPStructures681
21.5arpwhohasFunction683
21.6arprequestFunction684
21.7arpintrFunction687
21.8in_arpinputFunction688
21.9ARPTimerFunctions694
21.10arpresolveFunction696
21.11arplookupFunction701
21.12ProxyARP703
21.13arp_rtrequestFunction704
21.14ARPandMulticasting710
21.15Summary711

Chapter22.ProtocolControlBlocks713
22.1Introduction713
22.2CodeIntroduction715
22.3inpcbStructure716
22.4in_pcballocandin_pcbdetachFunctions717
22.5Binding，Connecting，andDemultiplexing719
22.6inpcblookupFunction724
22.7in_gcbbindFunction728
22.8inpcbconnectFunction735
22.9in_pcbdisconnectFunction741
22.10in_setsockaddrandin_setpeeraddrFunctions741
22.11in_pcbnotify，in_rtchange，andin_losingFunctions742
22.12ImplementationRefinements750
22.13Summary751

Chapter23.UDP：UserDatagramProtocol755
23.1Introduction755
23.2CodeIntroduction755
23.3UDPprotoswStructure758
23.4UDPHeader759
23.5udpinitFunction760
23.6udp_outputFunction760
23.7udp_inputFunction769
23.8udp_saveoptFunction781
23.9udp_ctlinputFunction782
23.10udp_usrreqFunction784
23.11udp_sysct1Function790
23.12ImplementationRefinements791
23.13Summary793

Chapter24.TCP：TransmissionControlProtocol795
24.1Introduction795
24.2CodeIntroduction795
24.3TCPprotoswStructure801
24.4TCPHeader801
24.5TCPControlBlock803
24.6TCPStateTransitionDiagram805
24.7TCPSequenceNumbers807
24.8tcp_initFunction812
24.9Summary815

Chapter25.TCPTimers817
25.1Introduction817
25.2CodeIntroduction819
25.3tcpcanceltimersFunction821
25.4tcpfasttimoFunction821
25.5tcp_s1owtimoFunction822
25.6tcp_timersFunction824
25.7RetransmissionTimerCalculations831
25.8tcpnewtcpcbFunction833
25.9tcp_setpersistFunction835
25.10tcp_xmit_timerFunction836
25.11RetransmissionTimeout：tcp_timersFunction841
25.12AnRTTExample846
25.13Summary848

Chapter26.TCPOutput851
26.1Introduction851
26.2tcpoutputOverview852
26.3DetermineifaSegmentShouldbeSent852
26.4TCPOptions864
26.5WindowScaleOption866
26.6TimestampOption866
26.7SendaSegment871
26.8tcptemplataFunction884
26.9tcprespondFunction885
26.10Summary888

Chapter27.TCPFunctions891
27.1Introduction891
27.2tcp_drainFunction892
27.3tcpdropFunction892
27.4tcpcloseFunction893
27.5tcpmssFunction897
27.6topctiinputFunction904
27.7tcpnotifyFunction904
27.8tcp_quenchFunction906
27.9TCPREASSMacroandtcp_reassFunctionv906
27.10tcp_traceFunction916
27.11Summary920

Chapter28.TCPInput923
28.1Introduction923
28.2PreliminaryProcessing925
28.3tcp_dooptionsFunction933
28.4HeaderPrediction934
28.5TCPInput：SlowPathProcessing941
28.6InitiationofPassiveOpen，CompletionofActiveOpen942
28.7PAWS：ProtectionAgainstWrappedSequenceNumbers951
28.8TrimSegmentsoDataisWithinWindow954
28.9Self-ConnectsandSimultaneousOpens960
28.10RecordTimestamp963
28.11RSTProcessing963
28.12Summary965

Chapter29.TCPInput(Continued)967
29.1Introduction967
29.2ACKProcessingOverview967
29.3CompletionofPassiveOpensandSimultaneousOpens967
29.4FastRetransmitandFastRecoveryAlgorithms970
29.5ACKProcessing974
29.6UpdateWindowInformation981
29.7UrgentModeProcessing983
29.8tcp_pulloutofbandFunction986
29.9ProcessingofReceivedData988
29.10FINProcessing990
29.11FinalProcessing992
29.12ImplementationRefinements994
29.13HeaderCompression995
29.14Summary1004

Chapter30.TCPUserRequests1007
30.1Introduction1007
30.2tcp_usrreqFunction1007
30.3tcpattachFunction1018
30.4tcpdisconnectFunction1019
30.5tcp_usrclosedFunction1021
30.6tcp_ctloutputFunction1022
30.7Summary1025
BPF：BSDPacketFilter1027

Chapter31.BPF：BSOPacketFllter
31.1Introduction1027
31.2CodeIntroduction1028
31.3bpfifStructurev1029
31.4bpfdStructure1032
31.5BPFInput1040
31.6BPFOutput1046
31.7Summary1047
RawIP1049

Chapter32.RawIP
32.1Introduction1049
32.2CodeIntroduction1050
32.3RawIPprotoswStructure1051
32.4rip_initFunction1053
32.5rip_inputFunction1053
32.6ripoutputFunction1056
32.7rlp_usrreqFunction1058
32.8ripct1outputFunction1063
32.9Summary1065
Epilogue1067

AppendixA.SolutionstoSelectedExercises1069
AppendixB.SourceCodeAvailability1093
AppendixC.RFC1122Compliance1097
C.1Link-LayerRequirements1097
C.2IPRequirements1098
C.3IPOptionsRequirements1102
C.4IPFragmentationandReassemblyRequirements1104
C.5ICMPRequirements1105
C.6MulticastingRequirements1110
C.7IGMPRequirements1111
C.8RoutingRequirements1111
C.9ARPRequirements1113
C.10UDPRequirements1113
C.11TCPRequirements1115
Bibliography1125
Index1133
内容简介:
　　《TCP/IP详解·卷2：实现(英文版)》是已故网络专家、著名技术作W.RichardStevens的传世之作，内容详尽且具权威性，被誉为TCP/IP领域的不朽名著。《TCP/IP详解卷2：实现(英文版)》是《TCP/IP详解》三卷本的第2卷，重点关注TCP/IP协议的实现问题。书中介绍了一个实际的TCP/IP实现，并给出了这一实现的完整源代码，大约有15000行C代码。此外，几乎每章都提供精选的习题，并在附录中提供了部分习题的答案。
　　这一卷要求读者对TCP/IP协议的工作原理以及操作系统原理有初步的了解。对TCP/IP协议不是很熟悉的读者应先阅读《TCP/IP详解》的第1卷，该书对TCP/IP协议族有比较透彻的描述。
　　《TCP/IP详解》对于网络应用的开发人员、网络管理员以及任何想了解TCP/IP协议运行原理的人员来说，都是极好的权威参考书。无论是初学者还是功底深厚的网络领域高手，这套书都应是案头必备。
作者简介:
　　Gary.Wright，研究TCP／IP多年。他是Connix公司的董事长，Cotlnix公司的总部在康涅狄格州，主要提供Intermet接入和咨询服务。
　　W.RichardStevens（1951-1999）国际知名的LJNIX和网络专家，备受赞誉的技术作家。生前著有《TCP／IP详解》（三卷）、《UNIX环境高级编程》和《UNIX网络编程》（两卷），均为不朽的经典著作。
目录:
Prefacexix
Chapter1.Introduction1
1.1Introduction1
1.2SourceCodePresentation1
1.3History3
1.4ApplicationProgrammingInterfaces5
1.5ExampleProgram5
1.6SystemCallsandLibraryFunctions7
1.7NetworkImplementationOverview9
1.8Descriptors10
1.9Mbufs(MemoryBuffers)andOutputProcessing15
1.10InputProcessing19
1.11NetworkImplementationOverviewRevisited22
1.12InterruptLevelsandConcurrency23
1.13SourceCodeOrganization26
1.14TestNetwork28
1.15Summary29

Chapter2.Mbufs：MemoryBuffers31
2.1Introduction31
2.2CodeIntroduction36
2.3MbufDefinitions37
2.4mbufStructure38
2.5SimpleMbufMacrosandFunctions40
2.6m_devgetandm_pullupFunctions44
2.7SummaryofMbufMacrosandFunctions51
2.8SummaryofNet/3NetworkingDataStructures54
2.9m_copyandClusterReferenceCounts56
2.10Alternatives60
2.11Summary60

Chapter3.InterfaceLayer63
3.1Introduction63
3.2CodeIntroduction64
3.3ifnetStructure65
3.4ifaddrStructure73
3.5sockaddrStructure74
3.6ifnetandifaddrSpecialization76
3.7NetworkInitializationOverview77
3.8EthernetInitialization80
3.9SLIPInitialization82
3.10LoopbackInitialization85
3.11ifattachFunction85
3.12ifinitFunction93
3.13Summary94

Chapter4.Interfaces：Ethernet95
4.1Introduction95
4.2CodeIntroduction96
4.3EthernetInterface98
4.4ioct1SystemCall114
4.5Summary125

Chapter5.Interfaces：SLIPandLoopback127
5.1Introduction127
5.2CodeIntroduction127
5.3SLIPInterface128
5.4LoopbackInterface150
5.5Summary153

Chapter6.IPAddressing155
6.1Introduction155
6.2CodeIntroduction158
6.3InterfaceandAddressSummary158
6.4sockaddrinStructure160
6.5inifaddrStructure161
6.6AddressAssignment161
6.7InterfaceioctlProcessing177
6.8InternetUtilityFunctions181
6.9ifnetUtilityFunctions182
6.10Summary183

Chapter7.DomainsandProtocols185
7.1Introduction185
7.2CodeIntroduction186
7.3domainStructure187
7.4protoswStructure188
7.5IPdomainandprotoswStructures191
7.6pffindprotoandpffindtypeFunctions196
7.7pfctiinputFunction198
7.8IPInitialization199
7.9sysctlSystemCall201
7.10Summary204

Chapter8.IP：InternetProtocol205
8.1Introduction2205
8.2CodeIntroduction2206
8.3IPPackets210
8.4InputProcessing：ipintrFunction2212
8.5Forwarding：ip_forwardFunction2220
8.6OutputProcessing：ip_output　2Function228
8.7InternetChecksum：incksum　2Function234
8.8setsockoptandgetsockoptSystemCalls2239
8.9ip_sysctiFunction2244
8.10Summary245

Chapter9.IPOptionProcessing247
9.1Introduction247
9.2CodeIntroduction247
9.3OptionFormat248
9.4ip_dooptionsFunction249
9.5RecordRouteOption252
9.6SourceandRecordRouteOptions254
9.7TimestampOption261
9.8ip_insertoptionsFunction265
9.9ip_pcboptsFunction269
9.10Limitations272
9.11Summary272

Chapter10.IPFragmentationandReassembly275
10.1Introduction275
10.2CodeIntroduction277
10.3Fragmentation278
10.4ip_optcopyFunction282
10.5Reassembly283
10.6ip_reassFunction286
10.7ip_s1owtimoFunction298
10.8Summary300

Chapter11.ICMP：InternetControlMessageProtocol301
11.1Introduction301
11.2CodeIntroduction305
11.3icmpStructure308
11.4ICMPprotoswStructure309
11.5InputProcessing：icmp_inputFunction310
11.6ErrorProcessing313
11.7RequestProcessing316
11.8RedirectProcessing321
11.9ReplyProcessing323
11.10OutputProcessing324
11.11icmp_errorFunction324
11.12icmp_ref1ectFunction328
11.13icmp_sendFunction333
11.14i-icmp_sysctlFunction334
11.15Summary335

Chapter12.IPMulticasting337
12.1Introduction337
12.2CodeIntroduction340
12.3EthernetMulticastAddresses341
12.4e_thermu1tiStructure342
12.5EthernetMulticastReception344
12.6in_mu1tiStructure345
12.7ip_moptionsStructure347
12.8MulticastSocketOptions348
12.9MulticastTTLValues348
12.10ip_setmoptionsFunction351
12.11JoininganIPMulticastGroup355
12.12LeavinganIPMulticastGroup366
12.13ip_getmoptionsFunction371
12.14MulticastInputProcessing：ipintrFunction373
12.15MulticastOutputProcessing：ip_outputFunction375
12.16PerformanceConsiderations379
12.17Summary379

Chapter13.IGMP：InternetGroupManagementProtocol381
13.1Introduction381
13.2CodeIntroduction382
13.3i_gmpStructure384
13.4IGMPprotoswStructure384
13.5JoiningaGroup：igmp_joingroupFunction386
13.6i_gmp_fasttimoFunction387
13.7InputProcessing：igmp_inputFunction391
13.8LeavingaGroup：igmp_leavegroupFunction395
13.9Summary396

Chapter14.IPMulticastRouting397
14.1Introduction397
14.2CodeIntroduction398
14.3MulticastOutputProcessingRevisited399
14.4mroutedDaemon401
14.5VirtualInterfaces404
14.6IGMPRevisited411
14.7MulticastRouting416
14.8MulticastForwarding：ip_mforwardFunction424
14.9Cleanup：ip_mrouter_doneFunction433
14.10Summary434

Chapter15.SocketLayer435
15.1Introduction435
15.2CodeIntroduction436
15.3socketStructure437
15.4SystemCalls441
15.5Processes，Descriptors，andSockets445
15.6socketSystemCall447
15.7getsockandsockargsFunctions451
15.8bindSystemCall453
15.91istenSystemCall455
15.10t_sleepandwakeupFunctions456
15.11acceptSystemCall457
15.12sonewconnandsoisconnectedFunctions461
15.13connectSystemcall464
15.14shutdownSystemCall468
15.15c1oseSystemCall471
15.16Summary474

Chapter16.SocketI/O475
16.1Introduction475
16.2CodeIntroduction475
16.3SocketBuffers476
16.4write，writev，sendto，andsendmsgSystemCalls480
16.5sendmsgSystemCall483
16.6senditFunction485
16.7sosendFunction489
16.8read，readv，recvfrom，andrecvmsgSystemCalls500
16.9recvmsgSystemCall501
16.10recvitFunction503
16.11soreceiveFunction505
16.12soreceiveCode510
16.13selectSystemCall524
16.14Summary534

Chapter17.SocketOptions537
17.1Introduction537
17.2CodeIntroduction538
17.3setsockoptSystemCall539
17.4getsockoptSystemCall545
17.5font1andioct1SystemCalls548
17.6getsocknameSystemCall554
17.7getpeernameSystemCall554
17.8Summary557

Chapter18.RadixTreeRoutingTables559
18.1Introduction559
18.2RoutingTableStructure560
18.3RoutingSockets569
18.4CodeIntroduction570
18.5RadixNodeDataStructures573
18.6RoutingStructures578
18.7Initialization：routeinitandrtableinitFunctions581
18.8Initialization：rninitandrninitheadFunctions584
18.9DuplicateKeysandMaskLists587
18.10rnmatchFunction591
18.11rnsearchFunction599
18.12Summary599

Chapter19.RoutingRequestsandRoutingMessages601
19.1Introduction601
19.2rtallocandrtalloclFunctions601
19.3RTFREEMacroandrtfreeFunction604
19.4rtrequestFunction607
19.5rt_setgateFunction612
19.6rt_initFunction615
19.7rtredirectFunction617
19.8RoutingMessageStructures621
19.9rt_missmsgFunction625
19.10rtifmsgFunction627
19.11rt_newaddrmsgFunction628
19.12rt_ms_g1Function630
19.13rt_ms_g2Function632
19.14sysctl_rtableFunction635
19.15sysctl_dumpentryFunction640
19.16sysctliflistFunction642
19.17Summary644

Chapter20.RoutingSockets645
20.1Introduction645
20.2routedomainandprotoswStructures646
20.3RoutingControlBlocks647
20.4rawinitFunction647
20.5route_outputFunction648
20.6rt_xaddrsFunction660
20.7rt_setmetricsFunction661
20.8raw_inputFunction662
20.9route_usrreqFunction664
20.10raw_usrreqFunction666
20.11raw_attach，raw_detach，andraw_disconnectFunctions671
20.12Summary672

Chapter21.ARP：AddressResolutionProtocol675
21.1Introduction675
21.2ARPandtheRoutingTable675
21.3CodeIntroduction678
21.4ARPStructures681
21.5arpwhohasFunction683
21.6arprequestFunction684
21.7arpintrFunction687
21.8in_arpinputFunction688
21.9ARPTimerFunctions694
21.10arpresolveFunction696
21.11arplookupFunction701
21.12ProxyARP703
21.13arp_rtrequestFunction704
21.14ARPandMulticasting710
21.15Summary711

Chapter22.ProtocolControlBlocks713
22.1Introduction713
22.2CodeIntroduction715
22.3inpcbStructure716
22.4in_pcballocandin_pcbdetachFunctions717
22.5Binding，Connecting，andDemultiplexing719
22.6inpcblookupFunction724
22.7in_gcbbindFunction728
22.8inpcbconnectFunction735
22.9in_pcbdisconnectFunction741
22.10in_setsockaddrandin_setpeeraddrFunctions741
22.11in_pcbnotify，in_rtchange，andin_losingFunctions742
22.12ImplementationRefinements750
22.13Summary751

Chapter23.UDP：UserDatagramProtocol755
23.1Introduction755
23.2CodeIntroduction755
23.3UDPprotoswStructure758
23.4UDPHeader759
23.5udpinitFunction760
23.6udp_outputFunction760
23.7udp_inputFunction769
23.8udp_saveoptFunction781
23.9udp_ctlinputFunction782
23.10udp_usrreqFunction784
23.11udp_sysct1Function790
23.12ImplementationRefinements791
23.13Summary793

Chapter24.TCP：TransmissionControlProtocol795
24.1Introduction795
24.2CodeIntroduction795
24.3TCPprotoswStructure801
24.4TCPHeader801
24.5TCPControlBlock803
24.6TCPStateTransitionDiagram805
24.7TCPSequenceNumbers807
24.8tcp_initFunction812
24.9Summary815

Chapter25.TCPTimers817
25.1Introduction817
25.2CodeIntroduction819
25.3tcpcanceltimersFunction821
25.4tcpfasttimoFunction821
25.5tcp_s1owtimoFunction822
25.6tcp_timersFunction824
25.7RetransmissionTimerCalculations831
25.8tcpnewtcpcbFunction833
25.9tcp_setpersistFunction835
25.10tcp_xmit_timerFunction836
25.11RetransmissionTimeout：tcp_timersFunction841
25.12AnRTTExample846
25.13Summary848

Chapter26.TCPOutput851
26.1Introduction851
26.2tcpoutputOverview852
26.3DetermineifaSegmentShouldbeSent852
26.4TCPOptions864
26.5WindowScaleOption866
26.6TimestampOption866
26.7SendaSegment871
26.8tcptemplataFunction884
26.9tcprespondFunction885
26.10Summary888

Chapter27.TCPFunctions891
27.1Introduction891
27.2tcp_drainFunction892
27.3tcpdropFunction892
27.4tcpcloseFunction893
27.5tcpmssFunction897
27.6topctiinputFunction904
27.7tcpnotifyFunction904
27.8tcp_quenchFunction906
27.9TCPREASSMacroandtcp_reassFunctionv906
27.10tcp_traceFunction916
27.11Summary920

Chapter28.TCPInput923
28.1Introduction923
28.2PreliminaryProcessing925
28.3tcp_dooptionsFunction933
28.4HeaderPrediction934
28.5TCPInput：SlowPathProcessing941
28.6InitiationofPassiveOpen，CompletionofActiveOpen942
28.7PAWS：ProtectionAgainstWrappedSequenceNumbers951
28.8TrimSegmentsoDataisWithinWindow954
28.9Self-ConnectsandSimultaneousOpens960
28.10RecordTimestamp963
28.11RSTProcessing963
28.12Summary965

Chapter29.TCPInput(Continued)967
29.1Introduction967
29.2ACKProcessingOverview967
29.3CompletionofPassiveOpensandSimultaneousOpens967
29.4FastRetransmitandFastRecoveryAlgorithms970
29.5ACKProcessing974
29.6UpdateWindowInformation981
29.7UrgentModeProcessing983
29.8tcp_pulloutofbandFunction986
29.9ProcessingofReceivedData988
29.10FINProcessing990
29.11FinalProcessing992
29.12ImplementationRefinements994
29.13HeaderCompression995
29.14Summary1004

Chapter30.TCPUserRequests1007
30.1Introduction1007
30.2tcp_usrreqFunction1007
30.3tcpattachFunction1018
30.4tcpdisconnectFunction1019
30.5tcp_usrclosedFunction1021
30.6tcp_ctloutputFunction1022
30.7Summary1025
BPF：BSDPacketFilter1027

Chapter31.BPF：BSOPacketFllter
31.1Introduction1027
31.2CodeIntroduction1028
31.3bpfifStructurev1029
31.4bpfdStructure1032
31.5BPFInput1040
31.6BPFOutput1046
31.7Summary1047
RawIP1049

Chapter32.RawIP
32.1Introduction1049
32.2CodeIntroduction1050
32.3RawIPprotoswStructure1051
32.4rip_initFunction1053
32.5rip_inputFunction1053
32.6ripoutputFunction1056
32.7rlp_usrreqFunction1058
32.8ripct1outputFunction1063
32.9Summary1065
Epilogue1067

AppendixA.SolutionstoSelectedExercises1069
AppendixB.SourceCodeAvailability1093
AppendixC.RFC1122Compliance1097
C.1Link-LayerRequirements1097
C.2IPRequirements1098
C.3IPOptionsRequirements1102
C.4IPFragmentationandReassemblyRequirements1104
C.5ICMPRequirements1105
C.6MulticastingRequirements1110
C.7IGMPRequirements1111
C.8RoutingRequirements1111
C.9ARPRequirements1113
C.10UDPRequirements1113
C.11TCPRequirements1115
Bibliography1125
Index1133

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TCP/IP 详解（卷2）：实现（英文版）

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