[Differential] D5872: tcp: Don't prematurely drop receiving-only connections

[sepherosa_gmail.com (Sepherosa Ziehau)]

sepherosa_gmail.com added a comment.


  In https://reviews.freebsd.org/D5872#128542, @mike-karels.net wrote:
  
  >   btw, I think the line to set the snd_cwnd should remain for now, until something replaces it.  ENOBUFS signals local congestion.
  
  
  Well, resetting the cwnd can be unfair for the connections encounters the ENOBUFS, since the underlying hardware can be flooded by other connections.  So I'd remove that cwnd resetting upon ENOBUFS.  We can open another discussion after fixing this issue first.

REVISION DETAIL
  https://reviews.freebsd.org/D5872

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