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Differential D21086

pf: Remove partial RFC2675 support
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Authored by kp on Jul 27 2019, 1:32 PM.
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ae
farrokhi
imp

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thj
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network
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rS350414: pf: Remove partial RFC2675 support
Summary

Remove our (very partial) support for RFC2675 Jumbograms. They're not
used, not actually supported and not a good idea.

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rS FreeBSD src repository - subversion
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Event Timeline

kp created this revision.Jul 27 2019, 1:32 PM
Herald added a subscriber: farrokhi. · View Herald TranscriptJul 27 2019, 1:32 PM
Harbormaster completed remote builds in B25537: Diff 60194.Jul 27 2019, 1:32 PM
kp added a reviewer: thj.Jul 27 2019, 1:32 PM
kp set the repository for this revision to rS FreeBSD src repository - subversion.
Herald added a subscriber: imp. · View Herald TranscriptJul 27 2019, 1:32 PM
thj added inline comments.Jul 28 2019, 4:49 PM
sys/netpfil/pf/pf_norm.c
1237 ↗(On Diff #60194)

if we don't support jumbo, shouldn't we just drop any packet with the jumbo option? i.e.

case IP6OPT_JUMP: goto drop

and then we can remove all this handling?

kp updated this revision to Diff 60218.Jul 28 2019, 7:44 PM

Remove more bits, as suggested by thj

Harbormaster completed remote builds in B25553: Diff 60218.Jul 28 2019, 7:44 PM
kp marked an inline comment as done.Jul 28 2019, 7:45 PM
thj accepted this revision.Jul 28 2019, 8:01 PM
This revision is now accepted and ready to land.Jul 28 2019, 8:01 PM
ae added a subscriber: ae.Jul 29 2019, 10:20 AM

Does this mean that you concluded in the IETF mailing list to drop this support?

Closed by commit rS350414: pf: Remove partial RFC2675 support (authored by kp). · Explain WhyJul 29 2019, 1:21 PM
This revision was automatically updated to reflect the committed changes.
kp added a commit: rS350414: pf: Remove partial RFC2675 support.
kp added a comment.Jul 29 2019, 1:55 PM
In D21086#457948, @ae wrote:

Does this mean that you concluded in the IETF mailing list to drop this support?

I listened in to the relevant session in the IETF meeting, and while I don't know if there was a firm conclusion even those opposing moving RFC2675 to historic status were very clear that its implementation is optional, and it's entirely okay to not support it.

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head/sys/netpfil/pf/pf.c

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head/sys/netpfil/pf/pf_norm.c

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