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).
321 TCP variables
327 See also tcp_max_syn_backlog for additional tuning for TCP sockets.
363 Enable TCP auto corking :
390 TCP SYN and SYNACK messages usually advertise an ADVMSS option,
409 Allows TCP to send "duplicate" SACKs.
424 Control use of Explicit Congestion Notification (ECN) by TCP.
425 ECN is used only when both ends of the TCP connection indicate
469 F-RTO is an enhanced recovery algorithm for TCP retransmission
489 in response to incoming TCP packets that are for an existing
498 rewrite TCP header fields in manner that causes each endpoint
499 to think that the other is sending invalid TCP segments, thus
510 How often TCP sends out keepalive messages when keepalive is enabled.
514 How many keepalive probes TCP sends out, until it decides that the
537 Maximal number of TCP sockets not attached to any user file handle,
571 min: below this number of pages TCP is not bothered about its
574 pressure: when amount of memory allocated by TCP exceeds this number
575 of pages, TCP moderates its memory consumption and enters memory
579 max: number of pages allowed for queueing by all TCP sockets.
596 If set, TCP performs receive buffer auto-tuning, attempting to
602 Controls TCP Packetization-Layer Path MTU Discovery. Takes three
610 Controls how often to start TCP Packetization-Layer Path MTU
615 Controls when TCP Packetization-Layer Path MTU Discovery probing
620 By default, TCP saves various connection metrics in the route cache
624 degradation. If set, TCP will not cache metrics on closing
628 Controls whether TCP saves ssthresh metrics in the route cache.
633 This value influences the timeout of a locally closed TCP connection,
661 for outgoing packets. This allows to have both directions of a TCP
670 Initial reordering level of packets in a TCP stream.
671 TCP stack can then dynamically adjust flow reordering level
677 Maximal reordering level of packets in a TCP stream.
686 certain TCP stacks.
689 This value influences the time, after which TCP decides, that
698 This value influences the timeout of an alive TCP connection,
700 Given a value of N, a hypothetical TCP connection following
706 TCP will effectively time out at the first RTO which exceeds the
713 If set, the TCP stack behaves conforming to RFC1337. If unset,
714 we are not conforming to RFC, but prevent TCP TIME_WAIT
720 min: Minimal size of receive buffer used by TCP sockets.
721 It is guaranteed to each TCP socket, even under moderate memory
726 default: initial size of receive buffer used by TCP sockets.
732 selected receiver buffers for TCP socket. This value does not override
742 TCP tries to reduce number of SACK sent, using a timer
765 long latencies at end of a TCP socket syscall.
778 Use the Host requirements interpretation of the TCP urgent pointer field.
785 Number of times SYNACKs for a passive TCP connection attempt will
789 for a passive TCP connection will happen after 63seconds.
805 syncookies seriously violate TCP protocol, do not allow
806 to use TCP extensions, can result in serious degradation
842 Enable TCP Fast Open (RFC7413) to send and accept data in the opening
874 Initial time period in second to disable Fastopen on active TCP sockets
904 Number of times initial SYNs for an active TCP connection attempt
908 With this the final timeout for an active TCP connection attempt
924 Since linux-3.12, TCP does an automatic sizing of TSO frames,
926 For specific usages, it's possible to force TCP to build big
927 TSO frames. Note that TCP stack might split too big TSO packets
935 Starting from linux-5.18, TCP autosizing can be tweaked
956 sk->sk_pacing_rate is set by TCP stack using a ratio applied
958 If TCP is in slow start, tcp_pacing_ss_ratio is applied
959 to let TCP probe for bigger speeds, assuming cwnd can be
965 sk->sk_pacing_rate is set by TCP stack using a ratio applied
967 If TCP is in congestion avoidance phase, tcp_pacing_ca_ratio
973 The number of times for an active TCP connection to retransmit SYNs with
975 timeout. This has no effect on SYNACK at the passive TCP side.
1007 This changes how the TCP receive window is calculated.
1010 window can be offered, and that TCP implementations MUST ensure
1022 min: Amount of memory reserved for send buffers for TCP sockets.
1023 Each TCP socket has rights to use it due to fact of its birth.
1027 default: initial size of send buffer used by TCP sockets. This
1035 send buffers for TCP sockets. This value does not override
1043 A TCP socket can control the amount of unsent bytes in its write queue,
1057 remote TCP is broken and treats the window as a signed quantity.
1058 If unset, assume the remote TCP is not broken even if we do
1077 Controls TCP Small Queue limit per tcp socket.
1078 TCP bulk sender tends to increase packets in flight until it
1090 in RFC 5961 (Improving TCP's Robustness to Blind In-Window Attacks)
1093 TCP stack implements per TCP socket limits anyway.
1097 Show the number of hash buckets for TCP sockets in the current
1104 Control the number of hash buckets for TCP sockets in the child
1127 and enables PLB feature, TCP PLB (Protective Load Balancing) is
1130 upon sensing sustained congestion, TCP triggers a change in
1137 to apply PLB for IPv4 with other network header fields (e.g. TCP
1172 having PLB repath onto a connectivity "black hole", after an RTO a TCP
1175 of multiple TCP connections. This should be set corresponding to the
1202 requests that must happen before TCP considers that a connection is a
1214 Minimal TCP retransmission timeout (in microseconds). Note that the
1342 Defines the local port range that is used by TCP and UDP to
1418 for established TCP and connected UDP sockets.
1433 Enable early demux for established TCP sockets.
2049 - 2: enabled for TCP RESET packets (no active listener)
2264 associated with a socket for example, TCP RSTs or ICMPv6 echo replies).
3263 Like in TCP, ECN is used only when both ends of the SCTP connection