On Mon, Feb 7, 2011 at 11:04 AM, Ben Pfaff <[email protected]> wrote: > On Sat, Feb 05, 2011 at 04:14:49PM -0800, Jesse Gross wrote: >> We currently perform GSO on packets before adding a vlan tag, >> which is reliable but hurts performance. Even NICs that support >> TSO on vlan tagged packets typically expect vlan acceleration to >> be used. Before 2.6.37 we can't use vlan acceleration and must >> place the tag in the packet itself, which is risky when used with >> TSO. However, if the driver is known to work with internally >> tagged packets and TSO this exposes a module parameter to enable it. >> >> Signed-off-by: Jesse Gross <[email protected]> > > Oh, one more thing: we should document this module parameter somewhere, > if only in INSTALL.Linux.
I added a note to INSTALL.Linux. It's not something that I want to widely publicize because it really requires knowing what's going on to use correctly. _______________________________________________ dev mailing list [email protected] http://openvswitch.org/mailman/listinfo/dev_openvswitch.org
