lkml.org 
[lkml]   [2008]   [Apr]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    SubjectRe: poor network loopback performance and scalability
    From
    From: Herbert Xu <herbert@gondor.apana.org.au>
    Date: Mon, 21 Apr 2008 11:24:04 +0800

    > Ingo Molnar <mingo@elte.hu> wrote:
    > >
    > > # ifconfig lo mtu 1048576
    >
    > 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.

    Right.

    To move things forward, we should look into doing something
    similar to what Al Viro suggested, which would be to return
    an SKB pointer from the transmit path and call back into
    netif_receive_skb() using that.


    \
     
     \ /
      Last update: 2008-04-21 05:41    [W:4.000 / U:0.596 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site