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ppp: improve MSS clamping

Description

ppp: improve MSS clamping

ppp supports MSS clamping for TCP/IPv4. This patch

  • improves MSS clamping for TCP/IPv4 by using the MSS as specified in RFC 6691.
  • adds support for MSS clamping for TCP/IPv6.

Reported by: Timo Voelker
Reviewed by: thj
Differential Revision: https://reviews.freebsd.org/D37624

(cherry picked from commit cef3c4e0bab8bd5e84ab8cfa2fa48a1e3dca5876)

Details

Provenance
tuexenAuthored on Dec 8 2022, 8:48 AM
Reviewer
thj
Differential Revision
D37624: ppp: improve MSS clamping
Parents
rGe97522a1b7ea: tcp: remove unused t_rttbest
Branches
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