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Basic implementation of TCP over XDP for Knot server

Merged Basic implementation of TCP over XDP for Knot server
kxdpgun_tcp2 into master
Merged Libor Peltan requested to merge kxdpgun_tcp2 into master

including connection handling for kxdpgun in TCP mode.

The implementation is not perfect!! But the interface with other Knot parts is stable.

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  • Libor Peltan changed milestone to %3.1

    changed milestone to %3.1

  • Libor Peltan added feature label

    added feature label

  • Libor Peltan added 1 commit

    added 1 commit

    • a8f6e2a3 - XDP-TCP: remove list_t from libknot public api

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  • Libor Peltan added 1 commit

    added 1 commit

    • b6233ae2 - XDP-TCP: remove list_t from libknot public api

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  • Libor Peltan added 1 commit

    added 1 commit

    • 1d1c0016 - nameserver: disable multi-message answers thru XDP...

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  • Daniel Salzman added 256 commits

    added 256 commits

    • 1d1c0016...ef2279d7 - 202 commits from branch master
    • a7dd115d - XDP: basic TCP connection stateful, in kxdpgun
    • d8aa7827 - libknot: TCP over XDP: use dynarray for relays
    • fbd89e0f - TCP over XDP: bugfixes in answering logic
    • aa39ba74 - conf: option for TCP over XDP
    • 854a0cf5 - implemented server answering TCP over XDP
    • f4bd1b1c - XDP-TCP: allow connection timeout
    • 0fbce43b - XDP-TCP: ignore ACK with unmatching ackno
    • c00ee9b3 - XDP-TCP: limit number of connection closed at once...
    • 06dd9513 - XDP-TCP: use list_t for removed timeouted connections
    • 5faef804 - UDP handler: enable regular check/timeout of XDP-TCP connections
    • 577cbd51 - XDP-TCP: bugfix: set active only when ACK match
    • 2580a3d5 - XDP-TCP: better handling of not-yet-ACKed ackno
    • afd5c32f - XDP-TCP: bugfix: don't timeout-close already closing connections
    • b35512ae - XDP-TCP: enable receiving DNS messages fragmented in multiple packets
    • 78a56bae - XDP-TCP: bugfix: don't return error if just EAGAIN on flush
    • 87fafb10 - XDP-TCP: bugfix: dont impose limit on resets per second
    • f64c45da - XDP-TCP: advertise infinite window size
    • 7142d815 - XDP-TCP: allow incomming data+FIN
    • 097de16e - XDP-TCP: announce correct MSS
    • 511264a2 - XDP-TCP: enable fragmented outgoing DNS according to MSS
    • 9c880ee2 - XDP-TCP: limit incomming MSS to what XDP can handle
    • 36644011 - XDP-TCP: bugfix: set conn ackno properly after SYN+ACK
    • 453308a6 - tests: XDP-TCP test of connection handling, states and stress
    • 572cf10e - XDP-TCP: count total inbuf usage
    • 23d09a40 - XDP-TCP: configurable parameters of TCP stack
    • de6f3f16 - XDP-TCP: remove list_t from libknot public api
    • b8bfaab9 - nameserver: disable multi-message answers thru XDP...
    • 5227ef05 - dynarray: move from contrib to libknot
    • 3853b129 - kxdpgun: change default batch size for TCP and update documentation
    • 6266d2b2 - XDP-TCP: logging of closed/reset connections
    • 6e1523e8 - conf: move 'server.xdp-route-check' to 'xdp.route-check'
    • ae62faf4 - conf: simplify conf_db_param()
    • 478d42cd - conf: move 'server.listen-xdp' to 'xdp.listen' with backward compatibility
    • 336afd25 - mod-probe: don't try to get TCP RTT in the XDP mode
    • fc39a7f4 - libknot: move XDP-related headers from libknot.h to xdp.h
    • f07e8f98 - XDP-TCP: move testing API from xdp.h to test_xdp_tcp.c
    • 88a951e3 - XDP-TCP: remove unused mm parameter from knot_xdp_tcp_relay()
    • 0b8a1755 - XDP-TCP: configuration cleanup
    • 37824241 - XDP-TCP: move mock API from xdp.h to test_xdp_tcp.c
    • 5a24e0b5 - XDP-TCP: various code cleanup
    • 7ebdd14a - XDP-TCP: refactor Siphash secret handling
    • 04cc1487 - conf: remove 'tcp' parameter from conf_xdp_iface()
    • dc993521 - XDP-TCP: rename prefix 'knot_xdp_tcp' to 'knot_tcp', and 'knot_tcp_timeout' to 'knot_tcp_sweep'
    • c9d37c5d - XDP-TCP: rename 'knot_tcp_send_data' to 'knot_tcp_relay_answer'
    • 3209c32c - XDP-TCP: rename 'knot_tcp_input_buffers' to 'tcp_inbuf_update' and refactor internal API
    • 766daec3 - distro/deb: update knot_tcp_* symbols
    • bfbc35af - XDP-TCP: tiny cleanup of handler headers
    • 7e795a25 - XDP-TCP: make udp_tick() optional
    • f455ff61 - XDP-TCP: xdp handler improvements
    • 509d9890 - XDP-TCP: simplify UDP handler API
    • 2cc73f92 - XDP-TCP: final code cleanup
    • 267cbf91 - XDP-TCP bugfix: proper flags allocating IPv6/TCP reply
    • 91533715 - kxdpgun: improve error processing and add 'lost' counter
    • 010364f9 - kxdpgun: don't print per-thread received in send-only mode

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  • Daniel Salzman enabled an automatic merge when the pipeline for 010364f9 succeeds

    enabled an automatic merge when the pipeline for 010364f9 succeeds

  • Daniel Salzman merged

    merged

  • Daniel Salzman mentioned in commit bb7569cd

    mentioned in commit bb7569cd

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