Forgot to say - see the effects using ethtool -k eth0 before and after. Dave
On 15/12/2011, at 5:36 PM, Dave Whitla <[email protected]> wrote: > If you enter the following in a shell you will see that disabling tx csum > offload implies that other features are disabled also: > > ethtool -K eth0 tx off > > Dave > > On 15/12/2011, at 5:26 PM, "Sheili Mittal" <[email protected]> wrote: > >> Can you reply this also with your testing experience:- >> >> I go the list of Linux h/w offloading and commands to enable or disable >> it. Like :- >> >> Ethtool -K <interface> <offload type> <on/off> >> >> So for H/w offload to test with OVS , should I enable this from Linux >> machine only or this functionality is on virtual machine also >> >> What set-up you used for this? >> >> Regards, >> Sheili >> >> -----Original Message----- >> From: Dave Whitla [mailto:[email protected]] >> Sent: 15 December 2011 12:51 >> To: Jesse Gross >> Cc: Sheili Mittal; [email protected] >> Subject: Re: [ovs-discuss] H/w offloading list for OVS 1.2.2 >> >> Sheili, >> >> A particular case to be aware of is when combining Linux bridging with >> 802.1q vlans. Hardware tx checksum offload does not work properly in >> this scenario, so it is advisable to disable tx checksum offloading in >> virtual machines which connect to vifs mapped to a vlan or a trunk port >> to which untagged ports are also bridged. In my personal testing of OVS >> the same applies. >> >> Dave >> >> On 15/12/2011, at 2:17 PM, Jesse Gross <[email protected]> wrote: >> >>> On Wed, Dec 14, 2011 at 7:54 PM, Sheili Mittal >>> <[email protected]> wrote: >>>> Hi, >>>> >>>> >>>> >>>> Please give me list which OVS 1.2.2 supports for hardware offloading >> like >>>> checksum offloading,jumbo grames, tagging etc.. >>> >>> It's the same as the rest of Linux. >>> _______________________________________________ >>> discuss mailing list >>> [email protected] >>> http://openvswitch.org/mailman/listinfo/discuss >> >> >> >> DISCLAIMER: >> ----------------------------------------------------------------------------------------------------------------------- >> >> The contents of this e-mail and any attachment(s) are confidential and >> intended >> for the named recipient(s) only. >> It shall not attach any liability on the originator or NECHCL or its >> affiliates. Any views or opinions presented in >> this email are solely those of the author and may not necessarily reflect >> the >> opinions of NECHCL or its affiliates. >> Any form of reproduction, dissemination, copying, disclosure, modification, >> distribution and / or publication of >> this message without the prior written consent of the author of this e-mail >> is >> strictly prohibited. If you have >> received this email in error please delete it and notify the sender >> immediately. . >> ----------------------------------------------------------------------------------------------------------------------- > _______________________________________________ > discuss mailing list > [email protected] > http://openvswitch.org/mailman/listinfo/discuss _______________________________________________ discuss mailing list [email protected] http://openvswitch.org/mailman/listinfo/discuss
