On 23/12/15 10:06, Paul Durrant wrote: > This patch documents a new shared (variable message length) ring between > frontend and backend that can be used to pass bulk out-of-band data, such > as that required to implement toeplitz hashing in the backend that is > configurable by the frontend. > > The patch then goes on to document the messages passed over the control [...] > ring that can be used to configure toeplitz hashing. > --- a/xen/include/public/io/netif.h > +++ b/xen/include/public/io/netif.h > @@ -151,6 +151,326 @@ > */ > > /* > + * Control ring: [...] > + * > + * The layout of the shared page is as follows: > + * > + * 0 1 2 3 4 5 6 7 octet > + * +-----+-----+-----+-----+-----+-----+-----+-----+ > + * | req_cons | req_prod | > + * +-----+-----+-----+-----+-----+-----+-----+-----+ > + * | rsp_cons | rsp_prod | > + * +-----+-----+-----+-----+-----+-----+-----+-----+ > + * | | > + * + + > + * | req[1024] | > + * . > + * . > + * | | > + * +-----+-----+-----+-----+-----+-----+-----+-----+ > + * | | > + * + + > + * | rsp[1024] | > + * . > + * . > + * | | > + * +-----+-----+-----+-----+-----+-----+-----+-----+
You should use the standard ring format and infrastructure. David _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
