Re: [PATCH 1/5] UML - Assign random MACs to interfaces if necessary
From: Jason Lunz
Date: Wed Sep 27 2006 - 15:34:24 EST
On Wed, Sep 27, 2006 at 01:57:47PM -0400, Jeff Dike wrote:
> Now, if there is no MAC from the command line, one is generated. We
> use the microseconds from gettimeofday (20 bits), plus the low 12
> bits of the pid to seed the random number generator. random() is
> called twice, with 16 bits of each result used. I didn't want to
> have to try to fill in 32 bits optimally given an arbitrary
> RAND_MAX, so I just assume that it is greater than 65536 and use 16
> bits of each random() return.
Why not use random_ether_addr() like dummy, tun, ifb and others?
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