Lines Matching refs:TCP
40 protocols for which pmtu events will be honored are TCP, SCTP
44 TCP path mtu must still work but path MTU information of other
74 associated with a socket for example, TCP RSTs or ICMP echo replies).
307 TCP variables
313 See also tcp_max_syn_backlog for additional tuning for TCP sockets.
349 Enable TCP auto corking :
376 TCP SYN and SYNACK messages usually advertise an ADVMSS option,
395 Allows TCP to send "duplicate" SACKs.
410 Control use of Explicit Congestion Notification (ECN) by TCP.
411 ECN is used only when both ends of the TCP connection indicate
455 F-RTO is an enhanced recovery algorithm for TCP retransmission
475 in response to incoming TCP packets that are for an existing
484 rewrite TCP header fields in manner that causes each endpoint
485 to think that the other is sending invalid TCP segments, thus
496 How often TCP sends out keepalive messages when keepalive is enabled.
500 How many keepalive probes TCP sends out, until it decides that the
523 Maximal number of TCP sockets not attached to any user file handle,
557 min: below this number of pages TCP is not bothered about its
560 pressure: when amount of memory allocated by TCP exceeds this number
561 of pages, TCP moderates its memory consumption and enters memory
565 max: number of pages allowed for queueing by all TCP sockets.
582 If set, TCP performs receive buffer auto-tuning, attempting to
588 Controls TCP Packetization-Layer Path MTU Discovery. Takes three
596 Controls how often to start TCP Packetization-Layer Path MTU
601 Controls when TCP Packetization-Layer Path MTU Discovery probing
606 By default, TCP saves various connection metrics in the route cache
610 degradation. If set, TCP will not cache metrics on closing
614 Controls whether TCP saves ssthresh metrics in the route cache.
619 This value influences the timeout of a locally closed TCP connection,
647 for outgoing packets. This allows to have both directions of a TCP
656 Initial reordering level of packets in a TCP stream.
657 TCP stack can then dynamically adjust flow reordering level
663 Maximal reordering level of packets in a TCP stream.
672 certain TCP stacks.
675 This value influences the time, after which TCP decides, that
684 This value influences the timeout of an alive TCP connection,
686 Given a value of N, a hypothetical TCP connection following
692 TCP will effectively time out at the first RTO which exceeds the
699 If set, the TCP stack behaves conforming to RFC1337. If unset,
700 we are not conforming to RFC, but prevent TCP TIME_WAIT
706 min: Minimal size of receive buffer used by TCP sockets.
707 It is guaranteed to each TCP socket, even under moderate memory
712 default: initial size of receive buffer used by TCP sockets.
718 selected receiver buffers for TCP socket. This value does not override
728 TCP tries to reduce number of SACK sent, using a timer
757 Use the Host requirements interpretation of the TCP urgent pointer field.
764 Number of times SYNACKs for a passive TCP connection attempt will
768 for a passive TCP connection will happen after 63seconds.
784 syncookies seriously violate TCP protocol, do not allow
785 to use TCP extensions, can result in serious degradation
821 Enable TCP Fast Open (RFC7413) to send and accept data in the opening
853 Initial time period in second to disable Fastopen on active TCP sockets
883 Number of times initial SYNs for an active TCP connection attempt
887 With this the final timeout for an active TCP connection attempt
903 Since linux-3.12, TCP does an automatic sizing of TSO frames,
905 For specific usages, it's possible to force TCP to build big
906 TSO frames. Note that TCP stack might split too big TSO packets
914 Starting from linux-5.18, TCP autosizing can be tweaked
935 sk->sk_pacing_rate is set by TCP stack using a ratio applied
937 If TCP is in slow start, tcp_pacing_ss_ratio is applied
938 to let TCP probe for bigger speeds, assuming cwnd can be
944 sk->sk_pacing_rate is set by TCP stack using a ratio applied
946 If TCP is in congestion avoidance phase, tcp_pacing_ca_ratio
952 The number of times for an active TCP connection to retransmit SYNs with
954 timeout. This has no effect on SYNACK at the passive TCP side.
986 This changes how the TCP receive window is calculated.
989 window can be offered, and that TCP implementations MUST ensure
1001 min: Amount of memory reserved for send buffers for TCP sockets.
1002 Each TCP socket has rights to use it due to fact of its birth.
1006 default: initial size of send buffer used by TCP sockets. This
1014 send buffers for TCP sockets. This value does not override
1022 A TCP socket can control the amount of unsent bytes in its write queue,
1036 remote TCP is broken and treats the window as a signed quantity.
1037 If unset, assume the remote TCP is not broken even if we do
1056 Controls TCP Small Queue limit per tcp socket.
1057 TCP bulk sender tends to increase packets in flight until it
1069 in RFC 5961 (Improving TCP's Robustness to Blind In-Window Attacks)
1072 TCP stack implements per TCP socket limits anyway.
1076 Show the number of hash buckets for TCP sockets in the current
1083 Control the number of hash buckets for TCP sockets in the child
1106 and enables PLB feature, TCP PLB (Protective Load Balancing) is
1109 upon sensing sustained congestion, TCP triggers a change in
1116 to apply PLB for IPv4 with other network header fields (e.g. TCP
1151 having PLB repath onto a connectivity "black hole", after an RTO a TCP
1154 of multiple TCP connections. This should be set corresponding to the
1295 Defines the local port range that is used by TCP and UDP to
1371 for established TCP and connected UDP sockets.
1386 Enable early demux for established TCP sockets.
2002 - 2: enabled for TCP RESET packets (no active listener)
2217 associated with a socket for example, TCP RSTs or ICMPv6 echo replies).
3175 Like in TCP, ECN is used only when both ends of the SCTP connection