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/linux-6.3-rc2/Documentation/networking/
A Dkcm.rst8 interface over TCP for generic application protocols. With KCM an application
9 can efficiently send and receive application protocol messages over TCP using
31 | TCP sock | | TCP sock | | TCP sock | | TCP sock | | TCP sock |
50 TCP sockets & Psocks
86 TCP socket management
167 - fd: file descriptor for TCP socket being attached
236 to the same TCP connection. This allows parallelism between in I/O
273 the TCP connection. Normally, this will be done by placing each
274 TCP socket attached to a KCM multiplexor in epoll set for POLLERR
282 TCP connection monitoring
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A Dsnmp_counter.rst249 General TCP counters
355 an old kernel, the TCP stack has different behavior when TCP accept
367 TCP Fast Open
415 TCP Fast Path
462 TCP abort
748 TCP out of order
767 TCP PAWS
785 TCP ACK skip
800 TCP stack receives a SYN and replies SYN+ACK. Now the TCP stack is
848 TCP receive window
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A Dproc_net_tcp.rst10 These /proc interfaces provide information about currently active TCP
14 It will first list all listening TCP sockets, and next list all established
15 TCP connections. A typical entry of /proc/net/tcp would look like this (split
20 | | | | |------> remote TCP port number
22 | | |--------------------> local TCP port number
A Dtls-offload.rst10 Linux kernel provides TLS connection offload infrastructure. Once a TCP
31 with its own TCP handling, it is not usable in production environments
44 point on the TCP stack proceeds as normal.
56 :c:type:`struct sk_buff <sk_buff>`. The packets reach the TCP stack and
112 number, simplifying TCP sequence number matching.
135 * expected TCP sequence number
178 is always TCP). If connection is matched device confirms if the TCP sequence
196 TCP stack.
248 Until resync is complete driver should not access its expected TCP
347 the next expected record number and its TCP sequence number. If the
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A Dstrparser.rst21 callback of a TCP socket. Messages are parsed and delivered as they are
47 strparser that is allocated by the upper layer. sk is the TCP
140 is unrecoverable (application expected to close TCP socket)
145 the error on TCP socket and wake it up. If parse_msg returned
190 the TCP socket in receive callback mode. The stream parser may
222 associated TCP socket. In general mode, the timeout is passed as an
224 the stream parser is aborted and the ETIMEDOUT error is set on the TCP
228 buffer size of the associated TCP socket. If the length returned by
230 is aborted with EMSGSIZE error set on the TCP socket. Note that this
232 parser to be 2*sk_rcvbuf of the TCP socket.
A Ddctcp.rst4 DCTCP (DataCenter TCP)
7 DCTCP is an enhancement to the TCP congestion control algorithm for data
32 "Data Center TCP (DCTCP)", Data Center Networks session"
A Dsegmentation-offloads.rst15 * TCP Segmentation Offload - TSO
24 TCP Segmentation Offload
27 TCP segmentation allows a device to segment a single frame into multiple
29 When TCP segmentation requested the bit for either SKB_GSO_TCPV4 or
33 TCP segmentation is dependent on support for the use of partial checksum
37 In order to support TCP segmentation offload it is necessary to populate
40 TCP header. In addition as CHECKSUM_PARTIAL is required csum_start should
41 also point to the TCP header of the packet.
137 it effectively does is take advantage of certain traits of TCP and tunnels
A Dip-sysctl.rst307 TCP variables
346 Enable TCP auto corking :
392 Allows TCP to send "duplicate" SACKs.
653 Initial reordering level of packets in a TCP stream.
660 Maximal reordering level of packets in a TCP stream.
669 certain TCP stacks.
725 TCP tries to reduce number of SACK sent, using a timer
1027 Controls TCP Small Queue limit per tcp socket.
1043 TCP stack implements per TCP socket limits anyway.
1342 for established TCP and connected UDP sockets.
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A Dtcp-thin.rst4 Thin-streams and TCP
14 the service quality. Extreme latencies are caused by TCP's
23 streams provoke high latencies when using TCP is unfortunate.
/linux-6.3-rc2/net/ipv4/
A DKconfig391 TCP/IPv4 sockets.
508 TCP Westwood+ is a sender-side only modification of the TCP Reno
515 TCP Westwood+ significantly increases fairness wrt TCP Reno in
519 tristate "H-TCP"
522 H-TCP is a send-side only modifications of the TCP Reno
552 TCP Vegas is a sender-side only change to TCP that anticipates
559 tristate "TCP NV"
578 Scalable TCP is a sender-side only change to TCP which uses a
587 TCP Low Priority (TCP-LP), a distributed algorithm whose goal is
621 TCP-Illinois is a sender-side modification of TCP Reno for
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/linux-6.3-rc2/net/mptcp/
A DKconfig3 bool "MPTCP: Multipath TCP"
9 Multipath TCP (MPTCP) connections send and receive data over multiple
11 uses the TCP protocol, and TCP options carry header information for
21 bool "MPTCP: IPv6 support for Multipath TCP"
/linux-6.3-rc2/drivers/infiniband/sw/siw/
A DKconfig2 tristate "Software RDMA over TCP/IP (iWARP) driver"
10 the Linux TCP/IP network stack. It enables a system with a
20 TCP/IP, the driver further interfaces with the Linux
21 in-kernel TCP socket layer.
/linux-6.3-rc2/net/dccp/ccids/
A DKconfig15 bool "CCID-3 (TCP-Friendly)"
18 CCID-3 denotes TCP-Friendly Rate Control (TFRC), an equation-based
20 be reasonably fair when competing for bandwidth with TCP-like flows,
22 within a factor of two of the sending rate of a TCP flow under the
24 throughput over time compared with TCP, which makes CCID-3 more
/linux-6.3-rc2/drivers/net/ethernet/intel/ice/
A Dice_lan_tx_rx.h727 ICE_PTT(26, IP, IPV4, NOF, NONE, NONE, NOF, TCP, PAY4),
736 ICE_PTT(33, IP, IPV4, NOF, IP_IP, IPV4, NOF, TCP, PAY4),
745 ICE_PTT(40, IP, IPV4, NOF, IP_IP, IPV6, NOF, TCP, PAY4),
757 ICE_PTT(48, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, TCP, PAY4),
766 ICE_PTT(55, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, TCP, PAY4),
778 ICE_PTT(63, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, TCP, PAY4),
817 ICE_PTT(92, IP, IPV6, NOF, NONE, NONE, NOF, TCP, PAY4),
826 ICE_PTT(99, IP, IPV6, NOF, IP_IP, IPV4, NOF, TCP, PAY4),
835 ICE_PTT(106, IP, IPV6, NOF, IP_IP, IPV6, NOF, TCP, PAY4),
847 ICE_PTT(114, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, TCP, PAY4),
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/linux-6.3-rc2/net/rds/
A DKconfig8 sequenced delivery of datagrams over Infiniband or TCP.
18 tristate "RDS over TCP"
22 Allow RDS to use TCP as a transport.
/linux-6.3-rc2/tools/testing/selftests/bpf/prog_tests/
A Dcls_redirect.c171 TCP, enumerator
240 { TCP, ACCEPT, UNKNOWN_CONN, NO_HOPS, SYN },
241 { TCP, ACCEPT, UNKNOWN_CONN, NO_HOPS, ACK },
242 { TCP, FORWARD, UNKNOWN_CONN, ONE_HOP, ACK },
243 { TCP, ACCEPT, KNOWN_CONN, ONE_HOP, ACK },
334 case TCP: in build_input()
392 &servers[TCP][i], &conns[TCP][i], in test_cls_redirect_common()
393 &tuples[TCP][i]))) in test_cls_redirect_common()
/linux-6.3-rc2/drivers/net/ethernet/intel/iavf/
A Diavf_common.c576 IAVF_PTT(26, IP, IPV4, NOF, NONE, NONE, NOF, TCP, PAY4),
585 IAVF_PTT(33, IP, IPV4, NOF, IP_IP, IPV4, NOF, TCP, PAY4),
594 IAVF_PTT(40, IP, IPV4, NOF, IP_IP, IPV6, NOF, TCP, PAY4),
606 IAVF_PTT(48, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, TCP, PAY4),
615 IAVF_PTT(55, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, TCP, PAY4),
627 IAVF_PTT(63, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, TCP, PAY4),
666 IAVF_PTT(92, IP, IPV6, NOF, NONE, NONE, NOF, TCP, PAY4),
675 IAVF_PTT(99, IP, IPV6, NOF, IP_IP, IPV4, NOF, TCP, PAY4),
684 IAVF_PTT(106, IP, IPV6, NOF, IP_IP, IPV6, NOF, TCP, PAY4),
696 IAVF_PTT(114, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, TCP, PAY4),
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A Diavf_adv_rss.c50 VIRTCHNL_SET_PROTO_HDR_TYPE(hdr, TCP); in iavf_fill_adv_rss_tcp_hdr()
53 VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, TCP, SRC_PORT); in iavf_fill_adv_rss_tcp_hdr()
56 VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, TCP, DST_PORT); in iavf_fill_adv_rss_tcp_hdr()
/linux-6.3-rc2/Documentation/networking/device_drivers/ethernet/freescale/
A Dgianfar.rst15 the 8548) has the ability to perform TCP, UDP, and IP checksums
16 in hardware. The Linux kernel only offloads the TCP and UDP
18 the driver only supports checksumming for TCP/IP and UDP/IP
/linux-6.3-rc2/Documentation/networking/device_drivers/ethernet/microsoft/
A Dnetvsc.rst20 support checksum offload for TCP and UDP for both IPv4 and
21 IPv6. Windows Server 2012 only supports checksum offload for TCP.
25 Hyper-V supports receive side scaling. For TCP & UDP, packets can
29 For TCP & UDP, we can switch hash level between L3 and L4 by ethtool
30 command. TCP/UDP over IPv4 and v6 can be set differently. The default
60 processing overhead by coalescing multiple TCP segments when possible. The
/linux-6.3-rc2/drivers/net/ethernet/wiznet/
A DKconfig27 PHY and hardware TCP/IP stack, but this driver is limited to
28 the MAC and PHY functions only, onchip TCP/IP is unused.
40 PHY and hardware TCP/IP stack, but this driver is limited to
41 the MAC and PHY functions only, onchip TCP/IP is unused.
/linux-6.3-rc2/Documentation/networking/device_drivers/ethernet/chelsio/
A Dcxgb.rst77 TCP Segmentation Offloading (TSO) Support
81 to offload portions of outbound TCP processing to a network interface card
125 Disabling TCP timestamp::
165 Setting TCP read buffers (min/default/max)::
169 Setting TCP write buffers (min/pressure/max)::
173 Setting TCP buffer space (min/pressure/max)::
177 TCP window size for single connections:
183 "TCP/IP Illustrated, Volume 1, The Protocols" by W. Richard Stevens.
196 TCP window size for multiple connections:
240 1. Large number of TCP retransmits on a multiprocessor (SMP) system.
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/linux-6.3-rc2/Documentation/scsi/
A Dcxgb3i.rst34 the PDU into multiple TCP segments if necessary, and transmit all
35 the TCP segments onto the wire. It handles TCP retransmission if
38 On receiving, S3 h/w recovers the iSCSI PDU by reassembling TCP
/linux-6.3-rc2/tools/testing/selftests/netfilter/
A Dnf_nat_edemux.sh79 ip netns exec $ns2 socat -t 10 - TCP:192.168.1.1:5201 > /dev/null &
86 echo test | ip netns exec $ns2 socat -t 3 -u STDIN TCP:10.96.0.1:443 >/dev/null
/linux-6.3-rc2/Documentation/admin-guide/blockdev/
A Dnbd.rst2 Network Block Device (TCP version)
11 request over TCP to the server, which will reply with the data read.

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