* In ip.c (Kernel 1.3.0)
@ 2001-09-01 1:24 Tobin Park
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From: Tobin Park @ 2001-09-01 1:24 UTC (permalink / raw)
To: linux-kernel
Hello.
I am studying linux kernel 1.3.0.
In ip.c this sentence appeared.
if(iph->frag_off)
{
if (iph->frag_off & 0x0020)
is_frag|=1;
/*
* Last fragment ?
*/
if (ntohs(iph->frag_off) & 0x1fff)
is_frag|=2;
}
what is that mean is_frag?
what's the difference between is_frag are 1,2,4?
Thank you.
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