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).
304 TCP variables
310 See also tcp_max_syn_backlog for additional tuning for TCP sockets.
343 Enable TCP auto corking :
370 TCP SYN and SYNACK messages usually advertise an ADVMSS option,
389 Allows TCP to send "duplicate" SACKs.
404 Control use of Explicit Congestion Notification (ECN) by TCP.
405 ECN is used only when both ends of the TCP connection indicate
449 F-RTO is an enhanced recovery algorithm for TCP retransmission
469 in response to incoming TCP packets that are for an existing
478 rewrite TCP header fields in manner that causes each endpoint
479 to think that the other is sending invalid TCP segments, thus
490 How often TCP sends out keepalive messages when keepalive is enabled.
494 How many keepalive probes TCP sends out, until it decides that the
517 Maximal number of TCP sockets not attached to any user file handle,
551 min: below this number of pages TCP is not bothered about its
554 pressure: when amount of memory allocated by TCP exceeds this number
555 of pages, TCP moderates its memory consumption and enters memory
559 max: number of pages allowed for queueing by all TCP sockets.
576 If set, TCP performs receive buffer auto-tuning, attempting to
582 Controls TCP Packetization-Layer Path MTU Discovery. Takes three
590 Controls how often to start TCP Packetization-Layer Path MTU
595 Controls when TCP Packetization-Layer Path MTU Discovery probing
600 By default, TCP saves various connection metrics in the route cache
604 degradation. If set, TCP will not cache metrics on closing
608 Controls whether TCP saves ssthresh metrics in the route cache.
613 This value influences the timeout of a locally closed TCP connection,
641 for outgoing packets. This allows to have both directions of a TCP
650 Initial reordering level of packets in a TCP stream.
651 TCP stack can then dynamically adjust flow reordering level
657 Maximal reordering level of packets in a TCP stream.
666 certain TCP stacks.
669 This value influences the time, after which TCP decides, that
678 This value influences the timeout of an alive TCP connection,
680 Given a value of N, a hypothetical TCP connection following
686 TCP will effectively time out at the first RTO which exceeds the
693 If set, the TCP stack behaves conforming to RFC1337. If unset,
694 we are not conforming to RFC, but prevent TCP TIME_WAIT
700 min: Minimal size of receive buffer used by TCP sockets.
701 It is guaranteed to each TCP socket, even under moderate memory
706 default: initial size of receive buffer used by TCP sockets.
712 selected receiver buffers for TCP socket. This value does not override
722 TCP tries to reduce number of SACK sent, using a timer
751 Use the Host requirements interpretation of the TCP urgent pointer field.
758 Number of times SYNACKs for a passive TCP connection attempt will
762 for a passive TCP connection will happen after 63seconds.
778 syncookies seriously violate TCP protocol, do not allow
779 to use TCP extensions, can result in serious degradation
815 Enable TCP Fast Open (RFC7413) to send and accept data in the opening
847 Initial time period in second to disable Fastopen on active TCP sockets
877 Number of times initial SYNs for an active TCP connection attempt
881 for an active TCP connection attempt will happen after 127seconds.
896 Since linux-3.12, TCP does an automatic sizing of TSO frames,
898 For specific usages, it's possible to force TCP to build big
899 TSO frames. Note that TCP stack might split too big TSO packets
907 Starting from linux-5.18, TCP autosizing can be tweaked
928 sk->sk_pacing_rate is set by TCP stack using a ratio applied
930 If TCP is in slow start, tcp_pacing_ss_ratio is applied
931 to let TCP probe for bigger speeds, assuming cwnd can be
937 sk->sk_pacing_rate is set by TCP stack using a ratio applied
939 If TCP is in congestion avoidance phase, tcp_pacing_ca_ratio
969 min: Amount of memory reserved for send buffers for TCP sockets.
970 Each TCP socket has rights to use it due to fact of its birth.
974 default: initial size of send buffer used by TCP sockets. This
982 send buffers for TCP sockets. This value does not override
990 A TCP socket can control the amount of unsent bytes in its write queue,
1004 remote TCP is broken and treats the window as a signed quantity.
1005 If unset, assume the remote TCP is not broken even if we do
1024 Controls TCP Small Queue limit per tcp socket.
1025 TCP bulk sender tends to increase packets in flight until it
1037 in RFC 5961 (Improving TCP's Robustness to Blind In-Window Attacks)
1040 TCP stack implements per TCP socket limits anyway.
1044 Show the number of hash buckets for TCP sockets in the current
1051 Control the number of hash buckets for TCP sockets in the child
1161 Defines the local port range that is used by TCP and UDP to
1237 for established TCP and connected UDP sockets.
1252 Enable early demux for established TCP sockets.
1860 - 2: enabled for TCP RESET packets (no active listener)
2075 associated with a socket for example, TCP RSTs or ICMPv6 echo replies).
3018 Like in TCP, ECN is used only when both ends of the SCTP connection