> -----Original Message----- > From: dev <dev-boun...@dpdk.org> On Behalf Of Andrew Rybchenko > > On 7/17/20 12:32 PM, Wei Hu (Xavier) wrote: > > From: Chengwen Feng <fengcheng...@huawei.com> > > > > This patch adds a new flow action of queue range, which was used to assign > > packets to a continuous queue range. > > > > Current FD (flow director) provide a useful means to assign packets to > > a target queue. But it has the following shortage: it can only route > > to one queue, and there is an upper limit on one queue rxtx capacity, > > which means the FD rule need more accurate else it may exceed the > > queue capacity. > > > > With the support of queue range action, user can create FD rule with > > action routed to a continuous queues, like: > > FD rule 0 ------|-----> queue 0 > > |-----> queue 1 > > > > FD rule 1 ------|-----> queue 8 > > |-----> queue 9 > > |-----> queue 10 > > |-----> queue 11 > > Note: hardware can use RSS to distribute traffic to the continuous queues > > when packets match the above FD rule. > > > > With the support of queue range action, we can further provide QoS > > service when DCB disabled. > > eg: one NE (network element) is configured with two ip addresses, one for > > control plane and the other for data plane, user can create two FD rules, > > the first for directing control plane packets to queue 0, the second for > > directing data plane packets to queue 1~15. > > I don't understand why it is not covered by RSS action. > +1 This should be covered in RSS action.
> > > > Signed-off-by: Chengwen Feng <fengcheng...@huawei.com> > > Signed-off-by: Wei Hu (Xavier) <xavier.hu...@huawei.com> > > [snip] Best, Ori
