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    SubjectSNLE driver (Slow Network Link Emulating Driver)

    To be able to simulate slow networks (when doing timing dependent changes
    to the networking code like delayed acks 8) :

    ---------> diff -u to loopback.c begins here -------->
    --- loopback.c Mon Mar 25 07:58:21 1996
    +++ slowback.c Sun Apr 14 20:16:52 1996
    @@ -61,6 +61,15 @@
    if (skb == NULL || dev == NULL)
    return(0);

    +#define BYTES_PER_SEC 1800
    + {
    + unsigned long timeout;
    +
    + timeout=jiffies+skb->truesize*HZ/BYTES_PER_SEC;
    + while( jiffies < timeout ) schedule();
    + }
    +#udef BYTES_PER_SEC
    +
    /*
    * Optimise so buffers with skb->free=1 are not copied but
    * instead are lobbed from tx queue to rx queue
    <----- diff ended here <---------
    Is this a bad idea? (i'm a bit worried about the "bh-s are disabled"
    comment in loopback.c 8)).
    -- mingo



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