On Tue, 2 Mar 2021 09:52:59 -0800 Jakub Kicinski wrote:
> When receiver does not accept TCP Fast Open it will only ack
> the SYN, and not the data. We detect this and immediately queue
> the data for (re)transmission in tcp_rcv_fastopen_synack().
>
> In DC networks with very low RTT and without R
When receiver does not accept TCP Fast Open it will only ack
the SYN, and not the data. We detect this and immediately queue
the data for (re)transmission in tcp_rcv_fastopen_synack().
In DC networks with very low RTT and without RFS the SYN-ACK
may arrive before NIC driver reported Tx completion
