Messages in this thread | | | Date | Wed, 27 Sep 2006 15:33:43 -0400 | From | Jason Lunz <> | Subject | Re: [PATCH 1/5] UML - Assign random MACs to interfaces if necessary |
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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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