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Add support for TCP over UDP
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Authored by tuexen on Mar 28 2021, 2:23 PM.

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Reviewers

rrs
jtl
rscheff
thj

Group Reviewers

transport

Commits

rG9e644c23000c: tcp: add support for TCP over UDP

Summary

Encapsulating TCP over UDP allows the support of peers which implement TCP in userland without requiring special permissions by encapsulating the TCP segments in UDP.

Support for this is already available in Wireshark, packetdrill, and uperf.

It is planned to merge this to the main tree, after FreeBSD 13.0 has been released. This is joint work with rrs@.

Test Plan

Ensure that the corresponding test suite, which is available in the TCP-over-UDP branch of tcp-testsuite.

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Repository

rG FreeBSD src repository

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Event Timeline

tuexen created this revision.Mar 28 2021, 2:23 PM

Herald added a reviewer: transport. · View Herald TranscriptMar 28 2021, 2:23 PM

Herald added subscribers: melifaro, ae. · View Herald Transcript

tuexen requested review of this revision.Mar 28 2021, 2:23 PM

tuexen edited the summary of this revision. (Show Details)

afedorov added a subscriber: afedorov.Mar 28 2021, 6:48 PM

rrs accepted this revision.Apr 8 2021, 2:23 PM

This revision is now accepted and ready to land.Apr 8 2021, 2:23 PM

This was committed in 9e644c23000c2f5028b235f6263d17ffb24d3605.

tuexen added a commit: rG9e644c23000c: tcp: add support for TCP over UDP.Jul 11 2021, 5:04 AM

Revision Contents
Changeset List

Path

Size

share/

man/

man4/

tcp.4

15 lines

sys/

netinet/

tcp.h

1 line

tcp_input.c

48 lines

tcp_output.c

80 lines

tcp_stacks/

38 lines

26 lines

462 lines

12 lines

127 lines

84 lines

30 lines

27 lines

5 lines

netinet6/

tcp6_var.h

2 lines

sys/

mbuf.h

1 line

usr.bin/

netstat/

inet.c

4 lines

sockstat/

sockstat.1

6 lines

sockstat.c

13 lines

Diff 86435

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share/man/man4/tcp.4

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sys/netinet/tcp.h

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sys/netinet/tcp_input.c

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sys/netinet/tcp_output.c

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sys/netinet/tcp_stacks/bbr.c

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sys/netinet/tcp_stacks/rack.c

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sys/netinet/tcp_subr.c

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sys/netinet/tcp_syncache.h

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sys/netinet/tcp_syncache.c

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sys/netinet/tcp_timewait.c

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sys/netinet/tcp_usrreq.c

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sys/netinet/tcp_var.h

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sys/netinet/toecore.c

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sys/netinet6/tcp6_var.h

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sys/sys/mbuf.h

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usr.bin/netstat/inet.c

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usr.bin/sockstat/sockstat.1

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usr.bin/sockstat/sockstat.c

Add support for TCP over UDPClosedPublicActions

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Revision ContentsChangeset List

Diff 86435

share/man/man4/tcp.4

sys/netinet/tcp.h

sys/netinet/tcp_input.c

sys/netinet/tcp_output.c

sys/netinet/tcp_stacks/bbr.c

sys/netinet/tcp_stacks/rack.c

sys/netinet/tcp_subr.c

sys/netinet/tcp_syncache.h

sys/netinet/tcp_syncache.c

sys/netinet/tcp_timewait.c

sys/netinet/tcp_usrreq.c

sys/netinet/tcp_var.h

sys/netinet/toecore.c

sys/netinet6/tcp6_var.h

sys/sys/mbuf.h

usr.bin/netstat/inet.c

usr.bin/sockstat/sockstat.1

usr.bin/sockstat/sockstat.c

Add support for TCP over UDP
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Revision Contents
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