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From: Mike Frysinger <vapier@gentoo.org>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v4 0/3] net: helper functions
Date: Mon, 14 May 2012 01:42:49 -0400	[thread overview]
Message-ID: <201205140142.51231.vapier@gentoo.org> (raw)
In-Reply-To: <201205112322.23891.michael@walle.cc>

On Friday 11 May 2012 17:22:23 Michael Walle wrote:
> Am Freitag 11 Mai 2012, 23:14:25 schrieb Wolfgang Denk:
> > Michael Walle wrote:
> > > What about the rand function? I guess that should be two
> > > compile time options
> > > 
> > > - CONFIG_RAND
> > > - CONFIG_RANDOM_HWADDR
> > > 
> > > Any better names?
> > 
> > Please make this a single option, CONFIG_RANDOM_MACADDR.  It appears
> > nobody else ever needed a random number before, and we can still
> > factor this out if another user pops up after another 12 years.
> 
> from net/net.c:
> unsigned int random_port(void)
> {
>         return 1024 + (get_timer(0) % 0x4000);
> }
> 
> CONFIG_BOOTP_RANDOM_DELAY, in net/bootp.c

note that if you do change this code, the 0x4000 clamp is important.  read the 
git history of this file/func fore more details.
-mike
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      parent reply	other threads:[~2012-05-14  5:42 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-05-10 17:32 [U-Boot] [PATCH v4 0/3] net: helper functions Michael Walle
2012-05-10 17:32 ` [U-Boot] [PATCH v4 1/3] lib: add rand() function Michael Walle
2012-05-11 19:20   ` Wolfgang Denk
2012-05-11 20:32     ` Michael Walle
2012-05-11 20:43       ` Wolfgang Denk
     [not found]         ` <201205112249.27871.michael@walle.cc>
2012-05-11 21:11           ` Wolfgang Denk
2012-05-11 21:20             ` Michael Walle
2012-05-11 21:29               ` Wolfgang Denk
2012-05-11 21:34                 ` Michael Walle
2012-05-10 17:32 ` [U-Boot] [PATCH v4 2/3] net: add helper to generate random mac address Michael Walle
2012-05-11 19:21   ` Wolfgang Denk
2012-05-14  5:43     ` Mike Frysinger
2012-05-10 17:32 ` [U-Boot] [PATCH v4 3/3] net: add eth_setenv_enetaddr_by_index() Michael Walle
2012-05-11 19:25   ` Wolfgang Denk
2012-05-11 21:01     ` Michael Walle
2012-05-11 21:16       ` Wolfgang Denk
2012-05-11 22:12         ` Michael Walle
2012-05-11 16:32 ` [U-Boot] [PATCH v4 0/3] net: helper functions Michael Walle
2012-05-11 16:46   ` Joe Hershberger
2012-05-11 16:51     ` Prafulla Wadaskar
2012-05-21 20:52       ` Michael Walle
2012-05-11 19:18 ` Wolfgang Denk
2012-05-11 20:29   ` Michael Walle
2012-05-11 20:43     ` Wolfgang Denk
2012-05-11 20:54       ` Michael Walle
2012-05-11 21:14         ` Wolfgang Denk
2012-05-11 21:22           ` Michael Walle
2012-05-11 21:30             ` Wolfgang Denk
2012-05-11 21:42               ` Michael Walle
2012-05-11 21:55                 ` Wolfgang Denk
2012-05-14  5:42             ` Mike Frysinger [this message]

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