[lkml]   [2014]   [Jul]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH 2/2] hso: fix deadlock when receiving bursts of data
> You really want to apply flow control back over the 'serial' link.
> That may just cause data discards earlier on the local system.
> But it is possible that not resubmitting the receive urb will cause the
> modem to flow control back to the sender.
> In which case there is some chance that data won't be lost.

If you are doing PPP and you can't keep up the sooner you chuck data the
better. Flow control actually works against performance and good network
behaviour. It's counter intuitive but TCP/IP works best if any
performance bottlenecks are immediately visible and not covered over.


 \ /
  Last update: 2014-07-11 00:01    [W:0.102 / U:3.640 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site