lkml.org 
[lkml]   [2012]   [Jun]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [RFC] [TCP 1/3] tcp: Add MSG_NEW_PACKET flag to indicate preferable packet boundaries
From
Date
On Fri, 2012-06-29 at 17:38 +0200, Andreas Gruenbacher wrote:

> The primary use case is fast Gigabit (10 or more) Ethernet connections
> with jumbo frames and switches that support them. There, frames will go
> through unchanged and you can zero-copy receive all the time.
>
> Not sure how well the approach scales to other kinds of connections; it
> may work often enough to be worth it. When things get distorted between
> the sender and the receiver and tcp_recvbio() fails, the data can still
> be copied out of the socket as before.

If you have a packet loss, receiver can and will coalesce frames.




\
 
 \ /
  Last update: 2012-06-29 19:43    [W:0.048 / U:0.972 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site