On Tue, 6 Oct 2020 18:26:17 +0200 Davide Caratti wrote:
> using packetdrill it's possible to observe the same MPTCP DSN being acked
> by different subflows with DACK4 and DACK8. This is in contrast with what
> specified in RFC8684 ยง3.3.2: if an MPTCP endpoint transmits a 64-bit wide
> DSN, it MUST be acknowledged with a 64-bit wide DACK. Fix 'use_64bit_ack'
> variable to make it a property of MPTCP sockets, not TCP subflows.
>
> Fixes: a0c1d0eafd1e ("mptcp: Use 32-bit DATA_ACK when possible")
> Acked-by: Paolo Abeni <pab...@redhat.com>
> Signed-off-by: Davide Caratti <dcara...@redhat.com>
Applied, thanks!
