On Feb 22,  6:40pm, ndehne@gmail.com (Nino Dehne) wrote:
-- Subject: Re: kern/32900

| The following reply was made to PR kern/32900; it has been noted by GNATS.
| 
| From: Nino Dehne <ndehne@gmail.com>
| To: gnats-bugs@netbsd.org
| Cc: 
| Subject: Re: kern/32900
| Date: Wed, 22 Feb 2006 19:37:30 +0100
| 
|  On Wed, Feb 22, 2006 at 06:30:04PM +0000, Christos Zoulas wrote:
|  >  Great. Do you have sip(4) or gsip(4). From the man page only gsip(4) appears
|  >  to support vlan tagging.
|  
|  It's sip(4):
|  
|  sip0 at pci0 dev 14 function 0: NatSemi DP83815 10/100 Ethernet, rev 00
|  sip0: interrupting at irq 10
|  nsphyter0 at sip0 phy 0: DP83815 10/100 media interface, rev. 1
|  sip1 at pci0 dev 15 function 0: NatSemi DP83815 10/100 Ethernet, rev 00
|  sip1: interrupting at irq 9
|  nsphyter1 at sip1 phy 0: DP83815 10/100 media interface, rev. 1
|  sip2 at pci0 dev 16 function 0: NatSemi DP83815 10/100 Ethernet, rev 00
|  sip2: interrupting at irq 11
|  nsphyter2 at sip2 phy 0: DP83815 10/100 media interface, rev. 1
|  
|  This chips are actually supposed to be DP83816. The board is a
|  http://pcengines.ch/wrap.htm.
|  
|  I think the ability to offload the tagging process to the hardware is unrelated.
|  fxp(4) doesn't offload the tagging here either, which just means it has to be
|  done in software, not that it's not possible at all. Just guessing..
|  
|  From the vlan man page it looks like the driver (and hardware?) has to support
|  oversized frames, though. But sip(4) is listed there.
|  
|  Best regards,
|  
|  ND

The code apparently sets the ALP bit properly to receive big frames...
I suggest that you add some debugging in if_sip.c...

christos