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.
346 Enable TCP auto corking :
373 TCP SYN and SYNACK messages usually advertise an ADVMSS option,
392 Allows TCP to send "duplicate" SACKs.
407 Control use of Explicit Congestion Notification (ECN) by TCP.
408 ECN is used only when both ends of the TCP connection indicate
452 F-RTO is an enhanced recovery algorithm for TCP retransmission
472 in response to incoming TCP packets that are for an existing
481 rewrite TCP header fields in manner that causes each endpoint
482 to think that the other is sending invalid TCP segments, thus
493 How often TCP sends out keepalive messages when keepalive is enabled.
497 How many keepalive probes TCP sends out, until it decides that the
520 Maximal number of TCP sockets not attached to any user file handle,
554 min: below this number of pages TCP is not bothered about its
557 pressure: when amount of memory allocated by TCP exceeds this number
558 of pages, TCP moderates its memory consumption and enters memory
562 max: number of pages allowed for queueing by all TCP sockets.
579 If set, TCP performs receive buffer auto-tuning, attempting to
585 Controls TCP Packetization-Layer Path MTU Discovery. Takes three
593 Controls how often to start TCP Packetization-Layer Path MTU
598 Controls when TCP Packetization-Layer Path MTU Discovery probing
603 By default, TCP saves various connection metrics in the route cache
607 degradation. If set, TCP will not cache metrics on closing
611 Controls whether TCP saves ssthresh metrics in the route cache.
616 This value influences the timeout of a locally closed TCP connection,
644 for outgoing packets. This allows to have both directions of a TCP
653 Initial reordering level of packets in a TCP stream.
654 TCP stack can then dynamically adjust flow reordering level
660 Maximal reordering level of packets in a TCP stream.
669 certain TCP stacks.
672 This value influences the time, after which TCP decides, that
681 This value influences the timeout of an alive TCP connection,
683 Given a value of N, a hypothetical TCP connection following
689 TCP will effectively time out at the first RTO which exceeds the
696 If set, the TCP stack behaves conforming to RFC1337. If unset,
697 we are not conforming to RFC, but prevent TCP TIME_WAIT
703 min: Minimal size of receive buffer used by TCP sockets.
704 It is guaranteed to each TCP socket, even under moderate memory
709 default: initial size of receive buffer used by TCP sockets.
715 selected receiver buffers for TCP socket. This value does not override
725 TCP tries to reduce number of SACK sent, using a timer
754 Use the Host requirements interpretation of the TCP urgent pointer field.
761 Number of times SYNACKs for a passive TCP connection attempt will
765 for a passive TCP connection will happen after 63seconds.
781 syncookies seriously violate TCP protocol, do not allow
782 to use TCP extensions, can result in serious degradation
818 Enable TCP Fast Open (RFC7413) to send and accept data in the opening
850 Initial time period in second to disable Fastopen on active TCP sockets
880 Number of times initial SYNs for an active TCP connection attempt
884 for an active TCP connection attempt will happen after 127seconds.
899 Since linux-3.12, TCP does an automatic sizing of TSO frames,
901 For specific usages, it's possible to force TCP to build big
902 TSO frames. Note that TCP stack might split too big TSO packets
910 Starting from linux-5.18, TCP autosizing can be tweaked
931 sk->sk_pacing_rate is set by TCP stack using a ratio applied
933 If TCP is in slow start, tcp_pacing_ss_ratio is applied
934 to let TCP probe for bigger speeds, assuming cwnd can be
940 sk->sk_pacing_rate is set by TCP stack using a ratio applied
942 If TCP is in congestion avoidance phase, tcp_pacing_ca_ratio
972 min: Amount of memory reserved for send buffers for TCP sockets.
973 Each TCP socket has rights to use it due to fact of its birth.
977 default: initial size of send buffer used by TCP sockets. This
985 send buffers for TCP sockets. This value does not override
993 A TCP socket can control the amount of unsent bytes in its write queue,
1007 remote TCP is broken and treats the window as a signed quantity.
1008 If unset, assume the remote TCP is not broken even if we do
1027 Controls TCP Small Queue limit per tcp socket.
1028 TCP bulk sender tends to increase packets in flight until it
1040 in RFC 5961 (Improving TCP's Robustness to Blind In-Window Attacks)
1043 TCP stack implements per TCP socket limits anyway.
1047 Show the number of hash buckets for TCP sockets in the current
1054 Control the number of hash buckets for TCP sockets in the child
1077 and enables PLB feature, TCP PLB (Protective Load Balancing) is
1080 upon sensing sustained congestion, TCP triggers a change in
1087 to apply PLB for IPv4 with other network header fields (e.g. TCP
1122 having PLB repath onto a connectivity "black hole", after an RTO a TCP
1125 of multiple TCP connections. This should be set corresponding to the
1266 Defines the local port range that is used by TCP and UDP to
1342 for established TCP and connected UDP sockets.
1357 Enable early demux for established TCP sockets.
1973 - 2: enabled for TCP RESET packets (no active listener)
2188 associated with a socket for example, TCP RSTs or ICMPv6 echo replies).
3131 Like in TCP, ECN is used only when both ends of the SCTP connection