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This lanes > configuration is applicable only when the nic is forced to fixed > speeds. In Autonegiation mode, the hardware automatically > negotiates the number of lanes. > > These are the new commands. > > testpmd> show port 0 speed_lanes capabilities > > Supported speeds Valid lanes > ----------------------------------- > 10 Gbps 1 > 25 Gbps 1 > 40 Gbps 4 > 50 Gbps 1 2 > 100 Gbps 1 2 4 > 200 Gbps 2 4 > 400 Gbps 4 8 > testpmd> > > testpmd> > testpmd> port stop 0 > testpmd> port config 0 speed_lanes 4 > testpmd> port config 0 speed 200000 duplex full > testpmd> port start 0 > testpmd> > testpmd> show port info 0 > > ********************* Infos for port 0 ********************* > MAC address: 14:23:F2:C3:BA:D2 > Device name: 0000:b1:00.0 > Driver name: net_bnxt > Firmware-version: 228.9.115.0 > Connect to socket: 2 > memory allocation on the socket: 2 > Link status: up > Link speed: 200 Gbps > Active Lanes: 4 > Link duplex: full-duplex > Autoneg status: Off > > Signed-off-by: Damodharam Ammepalli > Reviewed-by: Ferruh Yigit Suggested patch title: ethdev: support link speed lanes <...> > +/** > + * @warning > + * @b EXPERIMENTAL: this API may change, or be removed, without prior notice > + * > + * Get Active lanes. > + * > + * @param port_id > + * The port identifier of the Ethernet device. > + * @param lanes > + * Driver updates lanes with the number of active lanes. > + * On a supported NIC on link up, lanes will be a non-zero value irrespective whether the > + * link is Autonegotiated or Fixed speed. No information is dispalyed for error. > s/dispalyed/displayed/ I can fix while merging