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* net: Get mac address from driver as seedJimmy Du2017-08-071-2/+2
| | | | | | | | | Previously seeded by obtaining mac addr from env. If mac addr was never set, rand would output 0. This fix obtains the mac addr from driver instead. Signed-off-by: Jimmy Du <jimmy.du@ni.com> Acked-by: Joe Hershberger <joe.hershberger@ni.com>
* net: use common rand()/srand() functionsMichael Walle2012-07-071-7/+24
| | | | | | | | | Replace rand() with the functions from lib/. The link-local network code stores its own seed, derived from the MAC address. Thus making it independent from calls to srand() in other modules. Signed-off-by: Michael Walle <michael@walle.cc> Acked-by: Joe Hershberger <joe.hershberger@ni.com>
* net: Move MAC-seeded rand out of bootp.cJoe Hershberger2012-05-231-0/+26
Make the MAC-seeded random number generator available to /net in general. MAC-seeded rand will be needed by link-local as well, so give it an interface. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Acked-by: Simon Glass <sjg@chromium.org>