From owner-freebsd-mobile  Fri Jun  2 13:43:47 2000
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To: freebsd-mobile@freebsd.org
Cc: yergeau@gloworm.Stanford.EDU
Subject: Re: 4.0-RELEASE, Linksys PCMPC100 V2, incorrect hardware address 
In-reply-to: Your message of "Fri, 02 Jun 2000 10:34:45 MST."
             <200006021734.KAA17964@gloworm.Stanford.EDU> 
Date: Fri, 02 Jun 2000 13:43:42 -0700
From: Dan Yergeau <yergeau@gloworm.Stanford.EDU>
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I think that I found the problem.  I've filed a PR on this.

/sys/dev/ed/if_ed.c:ed_probe_Novell_generic tries to identify if the
card is NE2000, NE1000, or Linksys by writing a test pattern into
the card's memory at 8k.  This fails for the V2 version of the
Linksys PCMPC100, so ed_get_Linksys doesn't get called to extract
the MAC in the special way needed for the Linksys (DL10019C).

When I change that conditional in if_ed.c to always succeed (not a
real fix, but...), 

=================================================================
***************
*** 1013,1019 ****
  	ed_pio_writemem(sc, test_pattern, 8192, sizeof(test_pattern));
  	ed_pio_readmem(sc, 8192, test_buffer, sizeof(test_pattern));
  
! 	if (bcmp(test_pattern, test_buffer, sizeof(test_pattern)) == 0) {
  	/* could be either an NE1000 or a Linksys ethernet controller */
  		linksys = ed_get_Linksys(sc);
  		if (linksys) {
--- 1022,1029 ----
  	ed_pio_writemem(sc, test_pattern, 8192, sizeof(test_pattern));
  	ed_pio_readmem(sc, 8192, test_buffer, sizeof(test_pattern));
  
! 	/*if (bcmp(test_pattern, test_buffer, sizeof(test_pattern)) == 0) {*/
! 	if (1) {
  	/* could be either an NE1000 or a Linksys ethernet controller */
  		linksys = ed_get_Linksys(sc);
  		if (linksys) {
=================================================================

the correct MAC address is now extracted and the card is correctly
identified as a "Linksys" instead of a "NE2000".

  ed0: address 00:e0:98:80:15:df, type Linksys (16 bit)


Dan


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