login
Login / Register
Header Space

 
 

Home » Mailing list archives » linux-kernel » 2008 » April » 21

Re: poor network loopback performance and scalability (was: Re: [RFC,PATCH] loopback: calls netif_receive_skb() instead of netif_rx())

Score:
Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]
[view in full thread]
From: Herbert Xu <herbert@...>
To: Ingo Molnar <mingo@...>
Cc: <davem@...>, <dada1@...>, <netdev@...>, <linux-kernel@...>, <a.p.zijlstra@...>
Subject: Re: poor network loopback performance and scalability (was: Re: [RFC,PATCH] loopback: calls netif_receive_skb() instead of netif_rx())
Date: Sunday, April 20, 2008 - 11:24 pm

Ingo Molnar <mingo@elte.hu> wrote:

Chiming in late here, but 1048576 can't possibly work with IP
which uses a 16-bit quantity as the length header.  In fact a
quick test seems to indicate that an 1048576 mtu doesn't generate
anything bigger than the default 16K mtu.

Cheers,
-- 
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
--
Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]
Messages in current thread:
Re: [RFC,PATCH] loopback: calls netif_receive_skb() instead ..., Ingo Molnar, (Mon Mar 31, 5:48 am)
Re: [RFC,PATCH] loopback: calls netif_receive_skb() instead ..., Eric Dumazet, (Mon Mar 31, 6:01 am)
Re: [RFC,PATCH] loopback: calls netif_receive_skb() instead ..., Ingo Molnar, (Mon Mar 31, 6:12 am)
Re: [RFC,PATCH] loopback: calls netif_receive_skb() instead ..., Eric Dumazet, (Tue Apr 1, 5:19 am)
Re: [RFC,PATCH] loopback: calls netif_receive_skb() instead ..., Pavel Machek, (Thu Apr 3, 10:06 am)
Re: [RFC,PATCH] loopback: calls netif_receive_skb() instead ..., Eric Dumazet, (Thu Apr 3, 12:19 pm)
Re: [RFC,PATCH] loopback: calls netif_receive_skb() instead ..., David Miller, (Mon Mar 31, 6:08 am)
Re: [RFC,PATCH] loopback: calls netif_receive_skb() instead ..., Ingo Molnar, (Mon Mar 31, 6:44 am)
Re: [RFC,PATCH] loopback: calls netif_receive_skb() instead ..., David Miller, (Mon Mar 31, 7:02 am)
poor network loopback performance and scalability (was: Re: ..., Ingo Molnar, (Mon Mar 31, 7:36 am)
Re: poor network loopback performance and scalability (was: ..., Herbert Xu, (Sun Apr 20, 11:24 pm)
Re: poor network loopback performance and scalability, David Miller, (Sun Apr 20, 11:38 pm)
Re: poor network loopback performance and scalability, Ingo Molnar, (Mon Apr 21, 4:11 am)
Re: poor network loopback performance and scalability, David Miller, (Mon Apr 21, 4:16 am)
Re: poor network loopback performance and scalability, Herbert Xu, (Mon Apr 21, 6:19 am)
Re: poor network loopback performance and scalability, David Miller, (Mon Apr 21, 6:22 am)

Mail archive search
Enter your search terms.
Optionally limit your search to a specific mailing list.
advanced
Colocation donated by:
Who's online
There are currently 5 users and 983 guests online.

Online users

Syndicate
Syndicate content
© 2007 KernelTrap.  |  Powered by Drupal.  |  Legal statement.
speck-geostationary