On 4/28/2023 8:10 AM, Ronak Doshi wrote: > vmxnet3 emulation has recently added several new features including > support for uniform passthrough(UPT). To make UPT work vmxnet3 has > to be enhanced as per the new specification. This patch series > extends the vmxnet3 driver to leverage these new features. > > Compatibility is maintained using existing vmxnet3 versioning mechanism as > follows: > - new features added to vmxnet3 emulation are associated with new vmxnet3 > version viz. vmxnet3 version 7. > - emulation advertises all the versions it supports to the driver. > - during initialization, vmxnet3 driver picks the highest version number > supported by both the emulation and the driver and configures emulation > to run at that version. > > In particular, following changes are introduced: > > Patch 1: > This patch introduces utility macros for vmxnet3 version 7 comparison > and updates Copyright information. > > Patch 2: > This patch adds new capability registers to fine control enablement of > individual features based on emulation and passthrough. > > Patch 3: > This patch adds support for large passthrough BAR register. > > Patch 4: > This patch introduces new command to set ring buffer sizes to pass this > information to the hardware. > > Patch 5: > For better performance, hardware has a requirement to limit number of TSO > descriptors. This patch adds that support. > > Patch 6: > Avoid updating rxprod register when in UPT for performance reasons. > > Patch 7: > With all vmxnet3 version 7 changes incorporated in the vmxnet3 driver, > with this patch, the driver can configure emulation to run at vmxnet3 > version 7. > > Changes v2->v3: > - removed reference to old performance document > > Changes in v2: > - modified the title to include "net/" > - addressed checkpatch complaints and some typo in patch commits > - removed RTE_ETH_DEV_CAPA_PASS_THRU as it was specific to vmxnet3 > - added new features information in release notes > - updated feature related information in vmxnet3 driver documentation > > Ronak Doshi (7): > net/vmxnet3: prepare for version 7 changes > net/vmxnet3: add support for capability registers > net/vmxnet3: add support for large passthrough BAR register > net/vmxnet3: add command to set ring buffer sizes > net/vmxnet3: limit number of TXDs used for TSO packet > net/vmxnet3: avoid updating rxprod register frequently > net/vmxnet3: update to version 7
Series applied to dpdk-next-net/main, thanks.
