Hi Bing > -----Original Message----- > From: Bing Zhao <bi...@nvidia.com> > Sent: Thursday, October 8, 2020 11:52 AM > Subject: [PATCH v2 5/6] app/testpmd: change hairpin queues setup > > A new parameter `hairpin-mode` is introduced to the testpmd command > line. Bitmask value is used to provide more flexible configuration. > This parameter should be used when `hairpinq` is specified in the > command line. > > Bit 0 in the LSB indicates the hairpin will use the loop mode. The > previous port RX queue will be connected to the current port TX > queue. > Bit 1 in the LSB indicates the hairpin will use pair port mode. The > even index port will be paired with the next odd index port. If the > total number of probed port is odd, then the last one will be paired > to itself. > If this byte is zero, then each port will be paired to itself. > Bit 0 takes a higher priority in the checking. > > Bit 4 in the second bytes indicate if the hairpin will use explicit > TX flow mode. > > e.g. in the command line, "--hairpinq=2 --hairpin-mode=0x11" > > If not set, default value zero will be used and the behavior will > try to get align with the previous single port mode. If the ports > belong to different vendors' NICs, it is suggested to use the `self` > hairpin mode only. > > Since hairpin configures the hardware resources, the port mask of > packets forwarding engine will not be used here. > > Signed-off-by: Bing Zhao <bi...@nvidia.com> > --- > v2: move the hairpin bind/unbind into start/stop to support hot-plug > and hot-unplug > ---
Acked-by: Ori Kam <or...@nvidia.com> Thanks, Ori
