> > So one potential way is to have peer.rwnd and peer.a_rwnd, where peer.a_rwnd > is > the window advertised by peer and peer.rwnd and our estimation based on > peer.a_rwnd. > This way we will always know where we stand. > > Although I am not sure yet if we want to grow the peer structure any more. > > Another way is to have an estimate or 0-window probe bit/flags one the send > side > and set it when we do 0-window probe. This way we'd know that when 0-window > probe > bit is set, peer returned 0 window. > I think updating 0-window may happen in sctp_process_init() and sctp_outq_sack(), I don't think 0-window can be probed, cause unreachable and closing window both has no reply from peer. but we can update the 0-window bit in those two functions. I just do not know where there is a available bit we can use if won't change the peer structure.
> Just some thoughts. > -vlad -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html