From: Ben Warren <biggerbadderben@gmail.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] net: kirkwood: updates: used eth_setenv_enetaddr api
Date: Fri, 07 Aug 2009 14:37:51 -0700 [thread overview]
Message-ID: <4A7C9EAF.4060507@gmail.com> (raw)
In-Reply-To: <20090807210758.GO13346@game.jcrosoft.org>
Jean-Christophe PLAGNIOL-VILLARD wrote:
> On 22:17 Fri 07 Aug , Prafulla Wadaskar wrote:
>
>> eth_setenv_enetaddr is avaible by upper layer
>> using this saves 204 bytes on total image size
>>
>> Signed-off-by: Prafulla Wadaskar <prafulla@marvell.com>
>> ---
>> drivers/net/kirkwood_egiga.c | 13 ++++++++-----
>> 1 files changed, 8 insertions(+), 5 deletions(-)
>>
>> diff --git a/drivers/net/kirkwood_egiga.c b/drivers/net/kirkwood_egiga.c
>> index 3d908f8..1a208f2 100644
>> --- a/drivers/net/kirkwood_egiga.c
>> +++ b/drivers/net/kirkwood_egiga.c
>> @@ -606,7 +606,7 @@ int kirkwood_egiga_initialize(bd_t * bis)
>> struct kwgbe_device *dkwgbe;
>> struct eth_device *dev;
>> int devnum;
>> - char *s, buf[NAMESIZE * 2];
>> + char *s;
>> u8 used_ports[MAX_KWGBE_DEVS] = CONFIG_KIRKWOOD_EGIGA_PORTS;
>>
>> for (devnum = 0; devnum < MAX_KWGBE_DEVS; devnum++) {
>> @@ -665,10 +665,13 @@ int kirkwood_egiga_initialize(bd_t * bis)
>>
>> while (!eth_getenv_enetaddr(s, dev->enetaddr)) {
>> /* Generate Ramdom MAC addresses if not set */
>> - sprintf(buf, "00:50:43:%02x:%02x:%02x",
>> - get_random_hex(), get_random_hex(),
>> - get_random_hex());
>> - setenv(s, buf);
>> + dev->enetaddr[0] = 0x00;
>> + dev->enetaddr[1] = 0x50;
>> + dev->enetaddr[2] = 0x43;
>> + dev->enetaddr[3] = get_random_hex();
>> + dev->enetaddr[4] = get_random_hex();
>> + dev->enetaddr[5] = get_random_hex();
>> + eth_setenv_enetaddr(s, dev->enetaddr);
>>
> it will be also good to use a private mac address
> dev->enetaddr[0] = 0x02;
>
>
Full ACK. If you're generating something random, it MUST have the
private bit. Unless Marvell owns this block and is giving it away and
is keeping track of all used numbers and ...
regards,
Ben
next prev parent reply other threads:[~2009-08-07 21:37 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-07 16:47 [U-Boot] [PATCH] net: kirkwood: updates: used eth_setenv_enetaddr api Prafulla Wadaskar
2009-08-07 21:07 ` Jean-Christophe PLAGNIOL-VILLARD
2009-08-07 21:37 ` Ben Warren [this message]
2009-08-13 5:17 ` Mike Frysinger
2009-08-15 8:35 ` Prafulla Wadaskar
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