Hi Joe, Am Mittwoch 30 Mai 2012, 00:40:18 schrieb Joe Hershberger: > > Ah now i get it. But which other code may run and seed the NG with the > > timer only, while we are in the link local netloop? Shouldn't it be safe > > to first call srand(mac+timer) and then rand() multiple times? No other > > code can be run unless NetLoop(LINKLOCAL) returns, right? > > It needs to run multiple times, yes. But it will also process any > packets that are received when executing any other net command later. > The state machine will keep running. There can obviously be other > commands that run in between. i guess i have to study the netloop a bit more ;)
> > Perhaps we can separate the state for the PRNG between the 2 cases but > share the code. yeah i was thinking of rand_r(). > >> The most naive way around it > >> would be to rename the rand() in net to rand_mac() or something like > >> that and not attempt to combine them. > > > > i think we should focus on combining not reinventing the wheel multiple > > times. > > Agreed, but we have to solve the problem above. fully argreeing ;) -- michael _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot