Messages in this thread | | | From | Eric Dumazet <> | Date | Fri, 20 Oct 2023 08:06:05 +0200 | Subject | Re: [PATCH v3 net-next 1/3] ipv6: remove dst_allfrag test on ipv6 output |
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On Fri, Oct 20, 2023 at 7:32 AM Yan Zhai <yan@cloudflare.com> wrote: > > dst_allfrag was added before the first git commit: > > https://www.mail-archive.com/bk-commits-head@vger.kernel.org/msg03399.html > > The feature would send packets to the fragmentation path if a box > receives a PMTU value with less than 1280 byte. However, since commit > 9d289715eb5c ("ipv6: stop sending PTB packets for MTU < 1280"), such > message would be simply discarded. The feature flag is neither supported > in iproute2 utility. In theory one can still manipulate it with direct > netlink message, but it is not ideal because it was based on obsoleted > guidance of RFC-2460 (replaced by RFC-8200). > > The feature test would always return false at the moment, so remove it > from the output path.
What about other callers of dst_allfrag() ?
This feature seems broken atm.
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