From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gary Thomas Subject: Re: Marvell 88E609x switch? Date: Fri, 27 Feb 2009 08:44:53 -0700 Message-ID: <49A80A75.8000101@mlbassoc.com> References: <20090227142754.GB17040@xi.wantstofly.org> <49A7FA57.7030504@mlbassoc.com> <20090227144004.GC17040@xi.wantstofly.org> <49A7FEE1.2020705@mlbassoc.com> <20090227145746.GD17040@xi.wantstofly.org> <49A801E6.1040502@mlbassoc.com> <20090227151441.GE17040@xi.wantstofly.org> <49A80606.1040508@mlbassoc.com> <20090227152721.GG17040@xi.wantstofly.org> <49A806C5.1010200@mlbassoc.com> <20090227153102.GH17040@xi.wantstofly.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org To: Lennert Buytenhek Return-path: Received: from 137-67-76-76.skybeam.com ([76.76.67.137]:2530 "EHLO mail.chez-thomas.org" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1755438AbZB0PpI (ORCPT ); Fri, 27 Feb 2009 10:45:08 -0500 In-Reply-To: <20090227153102.GH17040@xi.wantstofly.org> Sender: netdev-owner@vger.kernel.org List-ID: Lennert Buytenhek wrote: > On Fri, Feb 27, 2009 at 08:29:09AM -0700, Gary Thomas wrote: > >>>>>>> If yes, can you up the interfaces, and send some packets over them >>>>>>> and see if the TX counters on eth0 increase? If yes, can you dump >>>>>>> the packets sent out over eth0 using tcpdump? >>>>>> I tried to ping out and into the box. Nothing seems to go anywhere: >>>>>> >>>>>> root@ppc_target:~ ifconfig >>>>>> eth0 Link encap:Ethernet HWaddr 00:1D:11:81:00:00 >>>>>> inet addr:192.168.12.189 Bcast:192.168.12.255 Mask:255.255.255.0 >>>>>> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 >>>>>> RX packets:0 errors:0 dropped:0 overruns:0 frame:0 >>>>>> TX packets:17 errors:0 dropped:0 overruns:0 carrier:0 >>>>>> collisions:0 txqueuelen:1000 >>>>>> RX bytes:0 (0.0 B) TX bytes:1810 (1.7 KiB) >>>>>> Base address:0x6000 >>>>>> >>>>>> lan1.1 Link encap:Ethernet HWaddr 00:1D:11:81:00:00 >>>>>> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 >>>>>> RX packets:0 errors:0 dropped:0 overruns:0 frame:0 >>>>>> TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 >>>>>> collisions:0 txqueuelen:0 >>>>>> RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) >>>>>> >>>>>> Running tcpdump on the external network (192.168.12.x), I saw >>>>>> no activity. >>>>>> >>>>>> Do I need to do anything more than "ifconfig lan1.1 up"? >>>>> IP addresses should be attached to the lanX.X interfaces, not to eth0 >>>>> -- eth0 will only be carrying specially tagged (DSA/EDSA) packets. >>>>> So you should move the IP address to lan1.1. >>>>> >>>>> Can you trying pinging via lan1.1 and then seeing if there are >>>>> packets transmitted out over eth0, and dump those packets with tcpdump? >>>> It looks like the packets are going out, but I don't see anything >>>> on the wire. After a few ping attempts: >>>> >>>> root@ppc_target:~ ifconfig >>>> eth0 Link encap:Ethernet HWaddr 00:1D:11:81:00:00 >>>> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 >>>> RX packets:0 errors:0 dropped:0 overruns:0 frame:0 >>>> TX packets:41 errors:0 dropped:0 overruns:0 carrier:0 >>>> collisions:0 txqueuelen:1000 >>>> RX bytes:0 (0.0 B) TX bytes:2974 (2.9 KiB) >>>> Base address:0x6000 >>>> >>>> lan1.1 Link encap:Ethernet HWaddr 00:1D:11:81:00:00 >>>> inet addr:192.168.12.189 Bcast:192.168.12.255 Mask:255.255.255.0 >>>> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 >>>> RX packets:0 errors:0 dropped:0 overruns:0 frame:0 >>>> TX packets:39 errors:0 dropped:0 overruns:0 carrier:0 >>>> collisions:0 txqueuelen:0 >>>> RX bytes:0 (0.0 B) TX bytes:1638 (1.5 KiB) >>>> >>>> The eth0 and lan1.1 counters are going up at more or less the >>>> same rate. >>> Can you run tcpdump on eth0 to see what the packets look like? >> Locally (on the board with the switch)? That will take a while to >> set up as it's a 100% embedded system, runs from FLASH, etc. Here's the result of 'tcpdump -i eth0' while pinging: PING 192.168.12.18 (192.168.12.18): 56 data bytes 15:52:34.718207 00:1d:11:81:00:00 (oui Unknown) > Broadcast, ethertype Unknown (0x4000), length 46: 0x0000: 0000 0806 0001 0800 0604 0001 001d 1181 ................ 0x0010: 0000 c0a8 0ca8 0000 0000 0000 c0a8 0c12 ................ 15:52:35.717893 00:1d:11:81:00:00 (oui Unknown) > Broadcast, ethertype Unknown (0x4000), length 46: 0x0000: 0000 0806 0001 0800 0604 0001 001d 1181 ................ 0x0010: 0000 c0a8 0ca8 0000 0000 0000 c0a8 0c12 ................ I also tried pinging in from the outside, but didn't see any packets. I would assume that I'd see at least broadcast/ARP packets. > OK, do you have ethtool then? If yes, can you run ethtool on the > lan1.1 interface to see if any of the hardware (switch chip) TX > counters are increasing? I'm not familiar with that tool (I did install it). What option (of the *many*) are you interested in? -- ------------------------------------------------------------ Gary Thomas | Consulting for the MLB Associates | Embedded world ------------------------------------------------------------