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Seth S., Venkatesulu M.A. — TCP/IP architecture, design and implementation in Linux
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Íàçâàíèå: TCP/IP architecture, design and implementation in LinuxÀâòîðû: Seth S., Venkatesulu M.A. Àííîòàöèÿ: This book provides thorough knowledge of Linux TCP/IP stack and kernel framework for its network stack, including complete knowledge of design and implementation. Starting with simple client-server socket programs and progressing to complex design and implementation of TCP/IP protocol in linux, this book provides different aspects of socket programming and major TCP/IP related algorithms. In addition, the text features netfilter hook framework, a complete explanation of routing sub-system, IP QOS implementation, and Network Soft IRQ. This book further contains elements on TCP state machine implementation,TCP timer implementation on Linux, TCP memory management on Linux, and debugging TCP/IP stack using lcrash.
ßçûê: Ðóáðèêà: Ðóêîâîäñòâà ïî ïðîãðàììíîìó îáåñïå÷åíèþ /Ñòàòóñ ïðåäìåòíîãî óêàçàòåëÿ: Ãîòîâ óêàçàòåëü ñ íîìåðàìè ñòðàíèö ed2k: ed2k stats Èçäàíèå: illustratedÃîä èçäàíèÿ: 2008Êîëè÷åñòâî ñòðàíèö: 772Äîáàâëåíà â êàòàëîã: 31.10.2010Îïåðàöèè: Ïîëîæèòü íà ïîëêó |
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Ïðåäìåòíûé óêàçàòåëü
Accept systemcall 157 — 159 157f 158f Accept systemcall, file table entry 162 Accept systemcall, flow control 162 — 163 Accept systemcall, inet_accept() 159 — 161 160f 161f Accept systemcall, inode and socket data structures linking 161 — 162 Accept systemcall, VFS and socket data structures linking 162 activation of keepalive timer 353 — 354 activation of syn-ack timer 356 — 357 activation of Time_wait timer 361 — 362 Application interfaces for TCP/IP, client application 27 — 29 28f Application interfaces for TCP/IP, option values SO_BROADCAST 30 Application interfaces for TCP/IP, option values SO_DEBUG 29 — 30 30f Application interfaces for TCP/IP, option values SO_DONTTROUTE 33 Application interfaces for TCP/IP, option values SO_KEEPALIVE 31 32f Application interfaces for TCP/IP, option values SO_LINGER 31 — 32 Application interfaces for TCP/IP, option values SO_OOBINLINE 32 Application interfaces for TCP/IP, option values SO_RCVBUF 33 Application interfaces for TCP/IP, option values SO_RCVTIMEO 33 — 34 34f Application interfaces for TCP/IP, option values SO_REUSEADDR 31 Application interfaces for TCP/IP, option values SO_SNDBUF 32 — 33 Application interfaces for TCP/IP, option values SO_SNDTIMEO 34 — 35 35f Application interfaces for TCP/IP, server application 25 — 27 26f Application interfaces for TCP/IP, socket options 29 ARP/RARP 97 — 98 97f 98f basic components of Linux traffic control 592 592f Basic implementation 1 — 2 BGP (see “Border Gateway Protocol”) Border Gateway Protocol (BGP) 90 cancellation of syn-ack timer 357 CBQ (see “Class-based Queuing”) CBQ queuing discipline Icrash STEPS 739 CBQ_dequeue() 623f 624f 627 CBQ_dequeue(), estimator 625 — 626 CBQ_dequeue(), from net/dev/core.c 626 CBQ_dequeue(), general scheduler 624 CBQ_dequeue(), link-sharing scheduler 625 CBQ_dequeue(), qdisc_restart() 626 — 627 CBQ_dequeue(), qdisc_run() 626 cbq_dequeuel() 629 cbq_dequeue_prio() 629 — 632 Class-based Queuing (CBQ) 622 Client side setup 164f Client side setup, client side operations 164 Client side setup, connect 164 — 167 165f 166f Client side setup, flow control for connection request 167 — 170 168f 169f Client side setup, ip_route_connect() 167 Client side setup, tcp_connect 174 — 176 175f Client side setup, tcp_transmit_skb() 176 — 178 Client side setup, tcp_v4_check_established() 171 — 174 Client side setup, tcp_v4_connect() 167 Client side setup, tcp_v4_hash_connect() 170 — 171 Compatibility framework FW_ACCEPT and FW_SKIP 647 Compatibility framework fw_in() 645 — 647 Compatibility framework FW_MASQUERADE 647 Compatibility framework FW_REDIRECT 647 Compatibility framework FW_REJECT 647 Connection queues 733 — 735 Connection request handling 151 — 154 152f 154f Connection request handling, accept queue processing 155 — 156 Connection request handling, flow control for handling a new connection request 156 Connection request handling, SYN queue processing 155 Connection setup (cont’d) end of tcp_v4_get_port() 137 Connection setup (cont’d), fget() 131 Connection setup (cont’d), hash buckets for tcp Bind 125 Connection setup (cont’d), inet_bind() 131 — 133 Connection setup (cont’d), related data structures 125 Connection setup (cont’d), server side operations 124 Connection setup (cont’d), server side setup 122 — 124 123f Connection setup (cont’d), sockfd_lookup() 130 Connection setup (cont’d), sys_bind() 130 Connection setup (cont’d), tcp_bhash 125 — 126 Connection setup (cont’d), tcp_bind_bucket 129 — 130 Connection setup (cont’d), tcp_bind_conflict() 135 — 136 136f Connection setup (cont’d), tcp_bind_hashbucket 129 Connection setup (cont’d), tcp_ehash 125 Connection setup (cont’d), tcp_hashinfo 126 — 127 127f Connection setup (cont’d), tcp_listening_hash 125 Connection setup (cont’d), tcp_v4_get_port() 133 — 135 Connection setup BIND 124 — 125 124f Connection setup bind() 130 Connection setup end of fget() 131 Connection setup end of inet_bind() 137 Connection setup end of sockfd_lookup() 131 Core TCP processing 444f data flow diagram 284f — 290f Data segments processing 424 — 433 Data segments processing, DSACK block and 430 430f 431f Data segments processing, implementation 425 Data segments processing, tcp_ofo_queue() 436 — 441 437f 439f 440f Data segments processing, tcp_sack_extend() 435 — 436 Data segments processing, tcp_sack_maybe_coalesce() 434 — 435 Data segments processing, tcp_sack_new_ofo_skb() 433 — 434 Data segments processing, tcp_sack__remove() 441 — 442 definition of IP chains 647 Delay ack timer, ACK segments ending of 344 — 345 Delay ack timer, quick ACK mode 345 Delay ack timer, scheduling of 344 Delay ack timer, tcp_ack_snd_check() 346 — 347 Delay ack timer, tcp_clear_xmit_timer() 352 — 353 Delay ack timer, tcp_delack_timer() 348 — 349 Delay ack timer, tcp_reset_xmit_timer() 349 — 351 Delay ack timer, tcp_send_delayed_ask() 347 — 348 Delay ack timer, tcp_write_timer() 351 — 352 Delay ack timer, _tcp_ack_snd_check() 345 — 346 Duplicate/partial ACKs in loss state tcp_check_sack_reneging() 455 — 456 Duplicate/partial ACKs in loss state tcp_try_undo_loss() 453 — 455 Duplicate/partial ACKs in recovery state tcp_remove_reno_sacks() 450 — 451 Duplicate/partial ACKs in recovery state tcp_try_undo_partial() 451 — 452 Enqueue cbq_classify() 621 Enqueue cbq_enqueue() 620 — 621 EWMA (see “Exponential Weighted Moving Average”) Exponential Weighted Moving Average (EWMA) 625 fib (see “Forwarding Information Base”) FIB TABLE Icrash OUTPUT 745 — 749 746f 747f 748f filtering with Ipchains 648 — 649 649f Filters 615 — 616 Filters, route filter implementation 617f Filters, route4_change() 618 — 619 Filters, tc_ctl_tfilter() 613f 611 613 Filters, u32_change() 615 — 616 flow of packet reception 698 Forwarding Information Base (FIB) 540 Fragmentation and reassembly 761 general description of routing 501 — 503 I/O, read() 38 38f I/O, recv() 38 38f I/O, select() 39 39f I/O, send() 39 39f I/O, write() 38 38f ICMP 94f ICMP, ping 95 — 96 95f 96f Icrash output for route filter 749 — 755 750f 751f 752f 753f 754f Iked source and patches 724 INET_CREATE 111f introduction of netlink sockets 479 — 480 IP (Internet protocol) header checksum 89 IP (Internet protocol) header checksum, dst addr. 90 IP (Internet protocol) header checksum, fig. 89 IP (Internet protocol) header checksum, frag offset 89 IP (Internet protocol) header checksum, hlen 88 IP (Internet protocol) header checksum, ID 89 IP (Internet protocol) header checksum, Ipv6 761 IP (Internet protocol) header checksum, prot. 89 IP (Internet protocol) header checksum, src addr. 90 IP (Internet protocol) header checksum, TOS 88 IP (Internet protocol) header checksum, total len 88 IP (Internet protocol) header checksum, TTL 89 IP (Internet protocol) header checksum, ver. 88 IP chains, packet filtering, ip_fw_check() 653 — 655 IP chains, packet filtering, ip_rule_match() 655 IP chains, struct ip_chain 649 — 650 IP chains, struct ip_fw 651 — 652 IP chains, struct ip_fwkernel 650 — 651 IP chains, struct ip_reent 651 IP chains, table organization in 652f IP forwarding 761 IP tables, filter rules 657 — 658 IP tables, filtering packets 664 — 668 IP tables, iptjnatch-iterate 668 IP tables, ipt_do_table() 664 — 668 IP tables, struct ipt_entry 661 — 662 IP tables, struct ipt_entry_match 662 — 663 IP tables, struct ipt_entry_target 664 IP tables, struct ipt_standard_target 664 IP tables, struct ipt_table 658 IP tables, struct ipt_table_info 658 — 661 660f IP tables, struct ipt_tcp 663 — 664 Ipchain rules chains 649 keepalive timer, tcp_keepalive_timer() 354 — 356 Kernel 2.6 description 759 Kernel flow 214 216f kernel netlink socket, creation of netlink sockets 481 — 482 Kernel synchronization mechanism, atomic operations 23 Kernel synchronization mechanism, semaphore 22 Kernel synchronization mechanism, spin lock 23 — 24 24f Kernel version 2.4 11 — 14 13f 14f Kernel version 2.4, new system call addition 16 — 17 17f Kernel version 2.4, system call on Linux 14 — 16 15f Length reordering 417 — 421 418f Linux implementation of CBQ 623f Linux process and thread, fork() 17 — 18 18f Linux process and thread, kernel threads 19 — 21 20f 21f Linux process and thread, thread 18 — 19 19f Linux traffic control, classes 592 Linux traffic control, filters 593 Linux traffic control, policing 593 Linux traffic control, queuing discipline 592 Listen systemcall 138f Listen systemcall, accept queue is full 147 — 150 148f 149f Listen systemcall, connection request with complete three-way handshake 151 Listen systemcall, connection request with pending three-way handshake 150 — 151 Listen systemcall, END of inet_listen() 142 Listen systemcall, END of tcp_listen_start() 142 Listen systemcall, established sockets linked in tcp_ehash table 150 Listen systemcall, inet_listen() 139 Listen systemcall, listen flow 142 Listen systemcall, max_qlen_log 140 Listen systemcall, qlen 140 Listen systemcall, qlen_young 140 Listen systemcall, struct open_request 142 — 147 143f 144f Listen systemcall, SYN QUEUE 140 Listen systemcall, syn_table 140 — 141 Listen systemcall, sys_listen() 138 — 139 Listen systemcall, tcp_listen_start() 139 — 142 management of Routing cache 523 — 525 Multicasting and broadcasting 760 Nagle’s algorithm (RFC) 896 69 69f 70f 71f Net SoftlRQ 672f Net SoftlRQ, irq_cpustat_t 675 Net SoftlRQ, packet reception 679 — 679 680f 682f Net SoftlRQ, packet transmission 686 — 695 687f 691f 692f 694f 695f Net SoftlRQ, reception 672 — 675 Net SoftlRQ, transmission 672 Netfilter hook framework 636 — 637 Netfilter hooks on IP stack, hooks for incoming packets 639 — 640 Netfilter hooks on IP stack, hooks for outgoing packets 638 — 639 638f Netfilter hooks on IP stack, nf_hook_slow() 642 — 643 Netfilter hooks on IP stack, nf_iterate() 643 — 644 Netfilter hooks on IP stack, struct nf_hook_ops 644 Netlink data structure, nl_table 755 756f Netlink data structure, rtnetlink_link 755 Netlink sockets (cont’d), socket example, TC command flow in user space 490 — 491 491f Netlink sockets (cont’d), socket example, TC command in kernel space 491 — 495 Netlink sockets (cont’d), user netlink socket, creation of ADDR messages 484 Netlink sockets (cont’d), user netlink socket, creation of LINK parameter messages 483 Netlink sockets, CLASS massages 484 Netlink sockets, data structures, nl_table 485 — 486 486f Netlink sockets, data structures, rtnetlinkjink 486 — 488 Netlink sockets, data structures, struct msghdr 489 — 490 490f Netlink sockets, data structures, struct nlmsghdr 488 — 489 Netlink sockets, FILTER messages 484 — 485 Netlink sockets, flow diagram for TC command 495 — 496 496f Netlink sockets, netlink packet format 490 Netlink sockets, QDISC messages 484 Netlink sockets, registration and initialization 480 — 481 Netlink sockets, ROUTE messages 484 New interface, addition of 761 OOB data, sending of 249 — 250 Open Shortest Path First (OSPF) 90 501 OSPF (see “Open Shortest Path First”) Packet reception DMA ring buffers and 698 Packet transmission 701f Packet transmission, device initialization 707 Packet transmission, DMA receive ring buffers initialization 709 Packet transmission, DMA transit ring buffers initialization 707 — 709 Packet transmission, el00tx_interrupt() 720 — 721 Packet transmission, el00_hardware_send_packet() 717 Packet transmission, el00_rx() 711 — 713 Packet transmission, el00_send_packet() 713 — 717 714f 715f Packet transmission, flow of, with DMA 702 Packet transmission, implementation of reception 704 — 705 705f Packet transmission, Rx descriptors 713 Packet transmission, Rx DMA buffer initialization 711 Packet transmission, Rx interrupt and 709 — 711 710f Packet transmission, struct etrax_dma_descr 706 — 707 Packet transmission, struct etrax_eth_descr 705 — 706 Packet transmission, transmission ring buffer 702 703f Packet transmission, Tx DMA ring buffer initialization 717 718f 719f Packet traversing, APR and neighboring framework 212 — 213 Packet traversing, from socket layer to device 207 — 208 208f Packet traversing, INET protocol packet switcher 223 — 224 Packet traversing, IP layer 206 — 207 Packet traversing, kernel path for TCP 209 Packet traversing, kernel path for TCP, IP layer 211 — 212 Packet traversing, kernel path for TCP, IP layer routing 210 — 211 Packet traversing, kernel path for TCP, netfilter hook 212 Packet traversing, kernel path for TCP, packet scheduler and hard transmission 213 Packet traversing, kernel path for TCP, socket layer 210 Packet traversing, kernel path for TCP, TCP layer 211 Packet traversing, link layer 207 Packet traversing, packet reception 219 Packet traversing, packet scheduler 207 Packet traversing, socket scheduler 207 Packet traversing, TCP layer 206 207 Packet traversing, up the TCP/IP stack 220f 221f Packet traversing, up the TCP/IP stack from device to socket layer 219 220f 221f Packet traversing, up the TCP/IP stack IP fragment handling 223 Packet traversing, up the TCP/IP stack IP layer 215 — 216 222 Packet traversing, up the TCP/IP stack kernel path for TCP 219 — 225 Packet traversing, up the TCP/IP stack local input netfliter hook 216 Packet traversing, up the TCP/IP stack packet reception 214 Packet traversing, up the TCP/IP stack packet switcher 222 Packet traversing, up the TCP/IP stack pre-routing netfliter hook 215 Packet traversing, up the TCP/IP stack Rx SOFT IRQ 214 — 215 Packet traversing, up the TCP/IP stack, Socket layer 225 Packet traversing, up the TCP/IP stack, SoftlRQ 219 — 220 Packet traversing, up the TCP/IP stack, TCP layer 218 — 219 224 PFIFO_FAST QDISC implementation 593 — 596 594f 595f process of packet reception 698 processing of Net SoftlRQ 675 — 678 682 processing of netfilter hooks on IP stack 642 Processing TCP urgent pointer tcp_check_urg() 422 — 424 Protocol socket registration 105f 106f 105 107 Qdisc (see “Queuing Discipline”) Queuing Discipline (Qdisc) 591 Queuing discipline data structure, struct cbq_class 599 — 601 Queuing discipline data structure, struct Qdisc 596 — 597 Queuing discipline data structure, struct Qdisc_class_opsy 598 — 599 Queuing discipline data structure, struct Qdisc_ops 597 — 598 Queuing mechanism, lock_sock() 265
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