I've been busy last couple of weeks, but have not forgotten about this. I will update once I have a setup ready.
Sorry for the delay, Emil >-----Original Message----- >From: Vijay Agrawal [mailto:vagra...@ixiacom.com] >Sent: Thursday, March 06, 2014 2:20 AM >To: Tantilov, Emil S; Fujinaka, Todd; e1000- >de...@lists.sf.net >Subject: RE: [E1000-devel] ixgbe-3.17.3 :VLAN tagged packets >does not work when using PF-PACKET socket , > >Hi Tantilov, > >Did you get a chance to look into lowe Linux versions >2.6.16 ? > >Thanks & Regards > Vijay Agrawal > >-----Original Message----- >From: Tantilov, Emil S [mailto:emil.s.tanti...@intel.com] >Sent: 01 March 2014 00:48 >To: Vijay Agrawal; Fujinaka, Todd; e1000-de...@lists.sf.net >Subject: RE: [E1000-devel] ixgbe-3.17.3 :VLAN tagged packets >does not work when using PF-PACKET socket , > >Hello Vijay, > >I ran a quick test on my system between a 2.6.32 and 3.3.x >kernels and I can reproduce the vlan packets not passing on >2.6.32, but it does resolve with HAVE_8021P_SUPPORT defined >(as expected). I will look into 2.6.16 as it's possible we >take a different code path and let you know if I see >something. > >Thanks, >Emil > >>-----Original Message----- >>From: Vijay Agrawal [mailto:vagra...@ixiacom.com] >>Sent: Friday, February 28, 2014 4:06 AM >>To: Tantilov, Emil S; Fujinaka, Todd; e1000- >de...@lists.sf.net >>Subject: RE: [E1000-devel] ixgbe-3.17.3 :VLAN tagged >packets does not >>work when using PF-PACKET socket , >> >>Hi, >> >>We have linux version linux-2.6.16.60 , we have made the >changes in >>the code to make HAVE_8021P_SUPPORT defined in the code >for kcompat.h >>, the interfaces are in promisc mode . >>But the issue is still there. >> >>Please suggest what else we can try. >> >>Thanks & Regards >> Vijay Agrawal >> >>-----Original Message----- >>From: Tantilov, Emil S [mailto:emil.s.tanti...@intel.com] >>Sent: 27 February 2014 00:52 >>To: Vijay Agrawal; Fujinaka, Todd; e1000-de...@lists.sf.net >>Subject: RE: [E1000-devel] ixgbe-3.17.3 :VLAN tagged >packets does not >>work when using PF-PACKET socket , >> >>>-----Original Message----- >>>From: Vijay Agrawal [mailto:vagra...@ixiacom.com] >>>Sent: Wednesday, February 26, 2014 7:37 AM >>>To: Tantilov, Emil S; Fujinaka, Todd; e1000- >>de...@lists.sf.net >>>Subject: RE: [E1000-devel] ixgbe-3.17.3 :VLAN tagged >>packets does not >>>work when using PF-PACKET socket , >>> >>>Hi , >>> >>>We tried this but that did not help. We still can't >capture >> >>By "this" do you mean you defined HAVE_8021P_SUPPORT in >kcompat.h for >>the kernel that you are using? Did you do this on both ends >and the >>receiving interface is in promisc mode? >> >>>Ethernet packets with VLAN tag in it. Our requirement is >to >>be able to >>>receive VLAN tagged Ethernet packets with PF PACKET socket >>even if >>>that particular vlan is not configured on the interface >via >>"vconfig" >>>utility. This is >> >>You should be able to see the vlan packets even if the vlan >is not >>configured on the interface and stripping is disabled. >> >>Which kernel version are you using? >> >>Thanks, >>Emil >> >>>exactly the behaviour that we got from 1G driver . Now >when >>we try to >>>run the same software with 10G node because of this issue >>this does not >>>work. >>> >>>Please suggest if any other possible option we can try and >>or you can >>>fix something in the driver. >>> >>>Thanks & Regards >>> Vijay Agrawal >>> >>>-----Original Message----- >>>From: Tantilov, Emil S [mailto:emil.s.tanti...@intel.com] >>>Sent: 19 February 2014 00:13 >>>To: Vijay Agrawal; Fujinaka, Todd; e1000- >de...@lists.sf.net >>>Subject: RE: [E1000-devel] ixgbe-3.17.3 :VLAN tagged >>packets does not >>>work when using PF-PACKET socket , >>> >>>>-----Original Message----- >>>>From: Vijay Agrawal [mailto:vagra...@ixiacom.com] >>>>Sent: Sunday, February 16, 2014 10:17 PM >>>>To: Fujinaka, Todd; e1000-de...@lists.sf.net >>>>Subject: Re: [E1000-devel] ixgbe-3.17.3 :VLAN tagged >>>packets does not >>>>work when using PF-PACKET socket , >>>> >>>>Hi Todd, >>>> >>>>We are really blocked for this , can you please suggest a >>>fix for this >>>>for any possible workaround. >>> >>>If you are using kernel < 2.6.36 edit kcompat.h and make >>sure you have: >>>#define HAVE_8021P_SUPPORT >>> >>>Inside the section for kernels < 2.6.36. Rebuild the >driver >>and give it >>>a try - this should allow you to see the vlan packets. >>> >>>Thanks, >>>Emil >>> >>>>Any suggestion on this would be really helpful. >>>> >>>>Thanks & Regards >>>> Vijay Agrawal >>>> >>>>-----Original Message----- >>>>From: Vijay Agrawal >>>>Sent: 04 February 2014 18:25 >>>>To: Fujinaka, Todd; e1000-de...@lists.sf.net >>>>Subject: RE: [E1000-devel] ixgbe-3.17.3 :VLAN tagged >>>packets does not >>>>work when using PF-PACKET socket >>>> >>>>Hi Todd, >>>> >>>>Basically it's only with vlan that 10G interface is not >>>working and we >>>>are using the latest driver ixgbe-3.18.7. >>>>In last mail the packet was actually sent without VLAN so >>>there was no >>>>issue. >>>>I have tested it more , and the problem reduced to this >: >>>> With VLAN the 10G driver is not accepting the vlan >>>tagged packets >>>>unless that vlan is configured on the physical interface, >>>we are using >>>>PF_PACKET sockets here and >>>>we don't want to configure VLAN physically on the >>>>interface. No such limitation exists on 1 G driver >>(igbvf). >>>> >>>>Here I have modified the simple program to explain the >>>problem in some >>>>more detail. >>>>It has two programs here , sender and receiver. >>>> >>>>Suppose we are sending packets on interface eth0 and >>>receiving on >>>>interface eth1. >>>>Run ethereal on interface eth0 and eth1 . >>>> >>>>Run Receiver on one interface as >>>># ./receiver interface_name >>>>Example : >>>># ./receiver eth1 >>>> >>>>Run sender on one interface as >>>># ./sender interface_name with_vlan (1/0) ( 1(one) >will >>>add vlan , >>>>0(zero) will not). >>>>Example : >>>># ./sender eth0 1 >>>> >>>>Now you will be able to observer that on interface eth0 , >>>the ethereal >>>>will show that one arp request is sent with vlan in it , >>>but at the >>>>same time you will receive nothing on eth1, neither on >>>ethereal nor , >>>>receiver program will say anything. >>>> >>>>Now just run sender again without vlan as #./sender eth0 >>0 >>>> >>>>Now u will observe that packet is successfully sent and >>>received , we >>>>can capture the packet on eth1 on ethereal and receiver >>>program will >>>>also dump the packet on console. >>>> >>>>Thanks & Regards >>>> Vijay Agrawal >>>> >>>>-----Original Message----- >>>>From: Fujinaka, Todd [mailto:todd.fujin...@intel.com] >>>>Sent: 30 January 2014 03:25 >>>>To: Vijay Agrawal; e1000-de...@lists.sf.net >>>>Subject: RE: [E1000-devel] ixgbe-3.17.3 :VLAN tagged >>>packets does not >>>>work when using PF-PACKET socket >>>> >>>>We don't seem to have any issues: >>>> >>>>>From the sender: >>>># ./test eth2 >>>> >>>> buffer is : FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF >>>FFFFFFFF FFFFFFFF >>>>11 11 11 11 11 11 08 06 00 01 >>>>08 00 06 04 00 01 11 11 11 11 11 11 11 11 >11 >>>>11 00 00 00 00 00 00 22 22 22 22 PF_PACKET: >ARP >>>request sent >>>>42 bytes >>>> >>>>On receiver: >>>># tcpdump -i eth2 -xxv >>>>tcpdump: listening on eth2, link-type EN10MB (Ethernet), >>>capture size >>>>65535 bytes >>>>06:24:56.538905 ARP, Ethernet (len 6), IPv4 (len 4), >>>Request who-has >>>>34.34.34.34 tell 17.17.17.17, length 46 >>>> 0x0000: ffff ffff ffff 1111 1111 1111 0806 0001 >>>> 0x0010: 0800 0604 0001 1111 1111 1111 1111 1111 >>>> 0x0020: 0000 0000 0000 2222 2222 0000 0000 0000 >>>> 0x0030: 0000 0000 0000 0000 0000 0000 >>>> >>>>Todd Fujinaka >>>>Software Application Engineer >>>>Networking Division (ND) >>>>Intel Corporation >>>>todd.fujin...@intel.com >>>>(503) 712-4565 >>>> >>>> >>>>-----Original Message----- >>>>From: Vijay Agrawal [mailto:vagra...@ixiacom.com] >>>>Sent: Tuesday, January 28, 2014 10:07 PM >>>>To: Fujinaka, Todd; e1000-de...@lists.sf.net >>>>Subject: RE: [E1000-devel] ixgbe-3.17.3 :VLAN tagged >>>packets does not >>>>work when using PF-PACKET socket >>>> >>>>Hi Todd, >>>> >>>>Just wanted to help you to understand the issue we are >>>facing . >>>>With static VLAN configured on the interface , hardware >>>sends the >>>>packet but vlan is stripped. >>>>With PF_PACKET socket where we are constructing entire >>>Ethernet packet >>>>our self , the packet is dropped by the hardware. >>>> >>>>I have attached a simple C program which uses PF_PACKET >>>SOCKET to send >>>>one test ARP packet with VLAN, and you can clearly >observe >>>that packet >>>>is dropped. >>>> >>>>You can compile it with >>>>Sudo make compile >>>>Run it with >>>> >>>>./test "interface name (example eth0)" >>>> >>>>I hope it will help you to quickly identify the issue , >>and >>>may be you >>>>can suggest something to fix it or if you can confirm if >>>this is as >>>>expected as per design. >>>> >>>>Thanks & Regards >>>> Vijay Agrawal >>>> >>>>-----Original Message----- >>>>From: Vijay Agrawal >>>>Sent: 29 January 2014 10:30 >>>>To: 'Fujinaka, Todd'; e1000-de...@lists.sf.net >>>>Subject: RE: [E1000-devel] ixgbe-3.17.3 :VLAN tagged >>>packets does not >>>>work when using PF-PACKET socket >>>> >>>>Hi Todd, >>>> >>>>Thanks a lot for the response. >>>>Can you please explain this a bit more. >>>>When you say you are stripping the VLAN tags , so the >>>packet with VLAN >>>>tag should go out without VLAN tag , but here we observe >>>that no >>>>packet is going out , so it look like the hardware drops >>>the VLAN tag >>>>packet, we see no packet on the ethereal. Can you please >>>explain this ? >>>>Is there any work around solution to work with VLAN? Or >>>with this >>>>driver it's just not possible. >>>> >>>>Thanks again for your quick response . >>>> >>>>Thanks & Regards >>>> Vijay Agrawal >>>> >>>>-----Original Message----- >>>>From: Fujinaka, Todd [mailto:todd.fujin...@intel.com] >>>>Sent: 29 January 2014 02:04 >>>>To: Vijay Agrawal; e1000-de...@lists.sf.net >>>>Subject: RE: [E1000-devel] ixgbe-3.17.3 :VLAN tagged >>>packets does not >>>>work when using PF-PACKET socket >>>> >>>>Our hardware strips VLAN tags in order to support Data >>>Center Bridging >>>>(I think the details are in 802.1Q for DCB). >>>>DCB uses the same offset as VLAN tags and if we didn't >>>strip the tags >>>>we couldn't have interoperability between endpoints that >>>had DCB >>>>enabled and not enabled. >>>> >>>>Todd Fujinaka >>>>Software Application Engineer >>>>Networking Division (ND) >>>>Intel Corporation >>>>todd.fujin...@intel.com >>>>(503) 712-4565 >>>> >>>> >>>>-----Original Message----- >>>>From: Vijay Agrawal [mailto:vagra...@ixiacom.com] >>>>Sent: Monday, January 27, 2014 10:02 PM >>>>To: e1000-de...@lists.sf.net >>>>Subject: [E1000-devel] ixgbe-3.17.3 :VLAN tagged packets >>>does not work >>>>when using PF-PACKET socket >>>> >>>>Hi , >>>> >>>>We are observing a issue with this driver , we are using >>>PF- Packet >>>>sockets for sending receiving Ethernet packets, but if >the >>>packet is >>>>Vlan tagged it is not sent/received on the interface. >>>Neither the >>>>packet is seen on the ethereal capture. Here we are just >>>using >>>>PF-PACKET socket and no IP and Vlan is configured on the >>>physical >>>>interface. >>>>The same test if we run on 1 G node it works , so as it >>>seems there is >>>>some limitations with this 10G driver. >>>>Can you please help. >>>> >>>>Thanks & Regards >>>> Vijay Agrawal >>>> >>>> >>>>--------------------------------------------------------- >- >>- >>>- >>>>------------------ >>>>Managing the Performance of Cloud-Based Applications Take >>>advantage of >>>>what the Cloud has to offer - Avoid Common Pitfalls. >>>>Read the Whitepaper. >>>>http://pubads.g.doubleclick.net/gampad/clk?id=121054471&i >u >>= >>>/ >>>>4140/ostg.clktrk >>>>_______________________________________________ >>>>E1000-devel mailing list >>>>E1000-devel@lists.sourceforge.net >>>>https://lists.sourceforge.net/lists/listinfo/e1000-devel >>>>To learn more about Intel® Ethernet, visit >>>>http://communities.intel.com/community/wired ------------------------------------------------------------------------------ Subversion Kills Productivity. Get off Subversion & Make the Move to Perforce. With Perforce, you get hassle-free workflows. Merge that actually works. Faster operations. Version large binaries. Built-in WAN optimization and the freedom to use Git, Perforce or both. Make the move to Perforce. http://pubads.g.doubleclick.net/gampad/clk?id=122218951&iu=/4140/ostg.clktrk _______________________________________________ E1000-devel mailing list E1000-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/e1000-devel To learn more about Intel® Ethernet, visit http://communities.intel.com/community/wired
