> -----Original Message----- > From: Fujinaka, Todd [mailto:todd.fujin...@intel.com] > Sent: Thursday, April 03, 2014 8:23 AM > To: Komatsubara Madoka(小松原 円); Skidmore, Donald C; > linux-kernel@vger.kernel.org; e1000-de...@lists.sourceforge.net; > net...@vger.kernel.org > Cc: Shimamoto Hiroshi(島本 裕志); Baba Hiroshi(馬場 裕司) > Subject: RE: [E1000-devel] fail to add 64 VLANs or more when SR-IOV is enabled > > I think you're running into the filter limit for VFs. >
Hi Todd, Thank you for the quick response. How can I increase the limit? Regards, Madoka Komatsubara > Todd Fujinaka > Software Application Engineer > Networking Division (ND) > Intel Corporation > todd.fujin...@intel.com > (503) 712-4565 > > > -----Original Message----- > From: Madoka Komatsubara [mailto:m-komatsub...@ab.jp.nec.com] > Sent: Wednesday, April 02, 2014 2:11 AM > To: Skidmore, Donald C; linux-kernel@vger.kernel.org; > e1000-de...@lists.sourceforge.net; net...@vger.kernel.org > Cc: Hiroshi Shimamoto; Hiroshi Baba > Subject: Re: [E1000-devel] fail to add 64 VLANs or more when SR-IOV is enabled > > > >-----Original Message----- > >From: Komatsubara Madoka(小松原 円) > >Sent: Thursday, March 27, 2014 6:11 PM > >To: 'linux-kernel@vger.kernel.org'; 'e1000-de...@lists.sourceforge.net'; > 'net...@vger.kernel.org' > >Cc: Shimamoto Hiroshi(島本 裕志); Baba Hiroshi(馬場 裕司) > >Subject: fail to add 64 VLANs or more when SR-IOV is enabled > > > >Hi all, > > > > > >We're facing an issue that we cannot add 64 VLANs or more per VF. > >When using SR-IOV, pass through a VF to the KVM guest and a lot of VLANs, > we could add 63 VLANs using vconfig but we >failed to add 64th VLAN. > >We'd like to use many VLANs on the guest with SR-IOV. > >We're using Intel's 82599EB chip with ixgbe and ixgbevf driver. > > > >Has anyone seen the same issue? > >Is there any idea to solve this? > > > > Hi Donald, > > Do you also notice this problem? > We're facing an issue that we can use only 64 VLANs per VF. > We're using Intel's 82599EB chip with ixgbe and ixgbevf driver. > > > Is it subject to the specification restrictions only 64 VLAN can use per VF? > We'd like to use about 2000 VLAN per VF. > > Does it come from hardware? > > > > Regards, > Madoka Komatsubara > > > >The below instruction is a reproducing method. > >Create hundred VLANs on the guest. > > > ># for i in `seq 100 199`; do vconfig add eth2 $i; ifconfig 192.168.$i.1/24; > done > > > ># vconfig add eth2 100 > >Added VLAN with VID == 100 to IF -:eth2:- > > > ># vconfig add eth2 101 > >Added VLAN with VID == 101 to IF -:eth2:- > > > ># vconfig add eth2 102 > >Added VLAN with VID == 102 to IF -:eth2:- > > > >... > > > ># vconfig add eth2 162 > >Added VLAN with VID == 162 to IF -:eth2:- > > > ># vconfig add eth2 163 > >ERROR: trying to add VLAN #163 to IF -:eth2:- error: Permission denied > >SIOCSIFADDR: No such device > >eth2.163: unknown interface: No such device > > > ># vconfig add eth2 164 > >ERROR: trying to add VLAN #164 to IF -:eth2:- error: Permission denied > >SIOCSIFADDR: No such device > >eth2.164: unknown interface: No such device > > > ># vconfig add eth2 165 > >ERROR: trying to add VLAN #165 to IF -:eth2:- error: Permission denied > >SIOCSIFADDR: No such device > >eth2.165: unknown interface: No such device > > > > > >thanks, > >Madoka Komatsubara > > > ------------------------------------------------------------------------- > ----- > _______________________________________________ > E1000-devel mailing list > e1000-de...@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/e1000-devel > To learn more about Intel® Ethernet, visit > http://communities.intel.com/community/wired -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/