Re: turning off TCP_NOPUSH

From: Garrett Wollman (wollman_at_lcs.mit.edu)
Date: 05/28/03

  • Next message: L. R.: "Install from lan ?" 
    Date: Wed, 28 May 2003 15:19:18 -0400 (EDT)
To: Igor Sysoev <is@rambler-co.ru>

    <<On Wed, 28 May 2003 22:22:14 +0400 (MSD), Igor Sysoev <is@rambler-co.ru> said:

    > As I understand if the data in the send buffer is bigger than MSS it means
    > that TCP stack has some reason not to send it and this reason is not
    > TF_NOPUSH flag. Am I wrong ?

    If TCP is for some reason prohibited from sending (i.e., the flow
    control or congestion control is closed), then tcp_output() will do
    nothing (except perhaps send a window update if necessary).

    If TCP is allowed to send data, then tcp_output() will send the data
    immediately, which is what we want.

    -GAWollman

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