Re: [PATCH v3 for-next 00/16] New hfi1 feature: Accelerated IP

[Jason Gunthorpe <jgg@ziepe.ca>]

On Mon, May 11, 2020 at 12:05:35PM -0400, Dennis Dalessandro wrote:
> This patch series is an accelerated ipoib using the rdma netdev mechanism
> already present in ipoib. A new device capability bit,
> IB_DEVICE_RDMA_NETDEV_OPA, triggers ipoib to create a datagram QP using the
> IB_QP_CREATE_NETDEV_USE.
> 
> The highlights include:
> - Sharing send and receive resources with VNIC
> - Allows for switching between connected mode and datagram mode
> - Increases the maximum datagram MTU for opa devices to 10k
> 
> The same spreading capability exploited by VNIC is used here to vary
> the receive context that receives the packet.
> 
> The patches are fully bisectable and stepwise implement the capability.
> 
> changes since v2
> *Rebased ontop of latest rdma/for-next
> 
> Changes since v1
> *Fix incorrect parameter to xa_find() in patch 9
> *Address Erez comments and try to hide opa from ipoib in patch 7
> *Fix some typos in RB lines
> 
> 
> Gary Leshner (6):
>       IB/hfi1: Add functions to transmit datagram ipoib packets
>       IB/hfi1: Add the transmit side of a datagram ipoib RDMA netdev
>       IB/hfi1: Remove module parameter for KDETH qpns
>       IB/{rdmavt,hfi1}: Implement creation of accelerated UD QPs
>       IB/{hfi1,ipoib,rdma}: Broadcast ping sent packets which exceeded mtu size
>       IB/ipoib: Add capability to switch between datagram and connected mode
> 
> Grzegorz Andrejczuk (6):
>       IB/hfi1: RSM rules for AIP
>       IB/hfi1: Rename num_vnic_contexts as num_netdev_contexts
>       IB/hfi1: Add interrupt handler functions for accelerated ipoib
>       IB/hfi1: Add rx functions for dummy netdev
>       IB/hfi1: Activate the dummy netdev
>       IB/hfi1: Add packet histogram trace event
> 
> Kaike Wan (3):
>       IB/hfi1: Add accelerated IP capability bit
>       IB/ipoib: Increase ipoib Datagram mode MTU's upper limit
>       IB/hfi1: Add functions to receive accelerated ipoib packets
> 
> Piotr Stankiewicz (1):
>       IB/hfi1: Enable the transmit side of the datagram ipoib netdev

Applied to for-next

Thanks,
Jason