All of lore.kernel.org
 help / color / mirror / Atom feed
From: Mike Rapoport <mike@compulab.co.il>
To: u-boot@lists.denx.de
Subject: [U-Boot-Users] [PATCH] Add ability to take MAC address from the environment to DM9000 driver
Date: Wed, 08 Aug 2007 08:35:55 +0300	[thread overview]
Message-ID: <46B9563B.1010807@compulab.co.il> (raw)
In-Reply-To: <46B898D3.40107@qstreams.com>

Ben Warren wrote:
> Hi Mike,
> 
> Mike Rapoport wrote:

>> +		s = getenv ("ethaddr");
>>   
> Could this ever be other than the first Ethernet controller on a board? 
> If so, 'ethaddr' won't cut it.

If a board has more than one DM9000, the driver in its current state does not 
support it anyway.

>> +		for (i = 0; i < 6; ++i) {
>> +	}
>>   
> While this is probably fine, it looks scary to me. My little brain is 
> going to need a few more passes...
>> +
>>   	printf("MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", bd->bi_enetaddr[0],
>>   	       bd->bi_enetaddr[1], bd->bi_enetaddr[2], bd->bi_enetaddr[3],
>>   	       bd->bi_enetaddr[4], bd->bi_enetaddr[5]);

>> +/**
>> + * is_valid_ether_addr - Determine if the given Ethernet address is valid
>> + * @addr: Pointer to a six-byte array containing the Ethernet address
>> + *
>> + * Check that the Ethernet address (MAC) is not 00:00:00:00:00:00, is not
>> + * a multicast address, and is not FF:FF:FF:FF:FF:FF.
>> + *
>> + * Return true if the address is valid.
>> + */
>> +static inline int is_valid_ether_addr(const u8 *addr)
>> +{
>>   
> Please choose a better name for this function. While multicast addresses 
> are poor choices for source, they're perfectly fine for destination.

What about 'is_valid_ether_src_addr'?

> thanks,
> Ben
> 
> -------------------------------------------------------------------------
> This SF.net email is sponsored by: Splunk Inc.
> Still grepping through log files to find problems?  Stop.
> Now Search log events and configuration files using AJAX and a browser.
> Download your FREE copy of Splunk now >>  http://get.splunk.com/
> _______________________________________________
> U-Boot-Users mailing list
> U-Boot-Users at lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/u-boot-users
> 


-- 
Sincerely yours,
Mike.

  reply	other threads:[~2007-08-08  5:35 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-08-07 10:32 [U-Boot-Users] [PATCH] Add ability to take MAC address from the environment to DM9000 driver Mike Rapoport
2007-08-07 14:56 ` Wolfgang Denk
2007-08-07 15:29   ` Mike Rapoport
2007-08-09 21:04     ` Wolfgang Denk
2007-08-09 21:10       ` Wolfgang Denk
2007-08-12  5:48         ` Mike Rapoport
2007-08-13 14:32           ` Ben Warren
2007-08-07 14:57 ` Wolfgang Denk
2007-08-07 16:07 ` Ben Warren
2007-08-08  5:35   ` Mike Rapoport [this message]
2007-08-08  6:48     ` Wolfgang Denk
2007-08-08  7:10       ` Mike Rapoport
2007-08-08 15:41         ` Ben Warren

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=46B9563B.1010807@compulab.co.il \
    --to=mike@compulab.co.il \
    --cc=u-boot@lists.denx.de \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.