Re: [PATCH net 1/2] rxrpc: Fix RTT determination to use any ACK as a source

[Jeffrey E Altman]

On 11/16/2023 8:12 AM, David Howells wrote:

> Fix RTT determination to be able to use any type of ACK as the response
> from which RTT can be calculated provided its ack.serial is non-zero and
> matches the serial number of an outgoing DATA or ACK packet.  This
> shouldn't be limited to REQUESTED-type ACKs as these can have other types
> substituted for them for things like duplicate or out-of-order packets.
>
> Fixes: 4700c4d80b7b ("rxrpc: Fix loss of RTT samples due to interposed ACK")
> Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
> cc: Marc Dionne <marc.dionne@xxxxxxxxxxxx>
> cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
> cc: Eric Dumazet <edumazet@xxxxxxxxxx>
> cc: Jakub Kicinski <kuba@xxxxxxxxxx>
> cc: Paolo Abeni <pabeni@xxxxxxxxxx>
> cc: linux-afs@xxxxxxxxxxxxxxxxxxx
> cc: netdev@xxxxxxxxxxxxxxx

Reviewed-by: Jeffrey Altman <jaltman@xxxxxxxxxxxx>

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