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Re: [Qemu-devel] [RFC PATCH v2 00/10] Introduce Intel 82574 GbE Controll
From: |
Jason Wang |
Subject: |
Re: [Qemu-devel] [RFC PATCH v2 00/10] Introduce Intel 82574 GbE Controller Emulation (e1000e) |
Date: |
Tue, 19 Jan 2016 11:48:37 +0800 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.5.1 |
On 01/19/2016 01:35 AM, Leonid Bloch wrote:
> Hello All,
>
> This series is the latest code of the e1000e device emulation being developed.
>
> Changes since v1:
>
> 1. Added support for all the device features:
> - Interrupt moderation.
> - RSS.
> - Multiqueue.
> 2. Simulated exact PCI/PCIe configuration space layout.
> 3. Made fixes needed to pass Microsoft's HW certification tests (HCK).
>
> This series is still an RFC, because the following tasks are not done yet:
>
> 1. See which code can be shared between this device and the existing e1000
> device.
> 2. Rebase patches to the latest master (current base is v2.3.0).
>
> Please share your thoughts,
> Thanks, Dmitry.
Hi:
Do you have a public git tree for easier reviewing?
Thanks
>
> ===================
>
> Hello qemu-devel,
>
> This patch series is an RFC for the new networking device emulation
> we're developing for QEMU.
>
> This new device emulates the Intel 82574 GbE Controller and works
> with unmodified Intel e1000e drivers from the Linux/Windows kernels.
>
> The status of the current series is "Functional Device Ready, work
> on Extended Features in Progress".
>
> More precisely, these patches represent a functional device, which
> is recognized by the standard Intel drivers, and is able to transfer
> TX/RX packets with CSO/TSO offloads, according to the spec.
>
> Extended features not supported yet (work in progress):
> 1. TX/RX Interrupt moderation mechanisms
> 2. RSS
> 3. Full-featured multi-queue (use of multiqueued network backend)
>
> Also, there will be some code refactoring and performance
> optimization efforts.
>
> This series was tested on Linux (Fedora 22) and Windows (2012R2)
> guests, using Iperf, with TX/RX and TCP/UDP streams, and various
> packet sizes.
>
> More thorough testing, including data streams with different MTU
> sizes, and Microsoft Certification (HLK) tests, are pending missing
> features' development.
>
> See commit messages (esp. "net: Introduce e1000e device emulation")
> for more information about the development approaches and the
> architecture options chosen for this device.
>
> This series is based upon v2.3.0 tag of the upstream QEMU repository,
> and it will be rebased to latest before the final submission.
>
> Please share your thoughts - any feedback is highly welcomed :)
>
> Best Regards,
> Dmitry Fleytman.
>
> Dmitry Fleytman (10):
> msix: make msix_clr_pending() visible for clients
> pci: Introduce function for PCI PM capability creation
> pcie: Add support for PCIe CAP v1
> pcie: Introduce function for DSN capability creation
> net: Introduce Toeplitz hash calculator
> net: Add macros for ETH address tracing
> net_pkt: Name vmxnet3 packet abstractions more generic
> net_pkt: Extend packet abstraction as requied by e1000e functionality
> e1000_regs: Add definitions for Intel 82574-specific bits
> net: Introduce e1000e device emulation
>
> MAINTAINERS | 14 +
> default-configs/pci.mak | 1 +
> hw/net/Makefile.objs | 5 +-
> hw/net/e1000_regs.h | 353 ++++-
> hw/net/e1000e.c | 700 +++++++++
> hw/net/e1000e_core.c | 3453
> ++++++++++++++++++++++++++++++++++++++++++++
> hw/net/e1000e_core.h | 230 +++
> hw/net/net_rx_pkt.c | 536 +++++++
> hw/net/net_rx_pkt.h | 353 +++++
> hw/net/net_tx_pkt.c | 627 ++++++++
> hw/net/net_tx_pkt.h | 191 +++
> hw/net/vmxnet3.c | 80 +-
> hw/net/vmxnet_rx_pkt.c | 187 ---
> hw/net/vmxnet_rx_pkt.h | 174 ---
> hw/net/vmxnet_tx_pkt.c | 567 --------
> hw/net/vmxnet_tx_pkt.h | 148 --
> hw/pci/msix.c | 2 +-
> hw/pci/pci.c | 21 +
> hw/pci/pcie.c | 96 +-
> include/hw/pci/msix.h | 1 +
> include/hw/pci/pci.h | 2 +
> include/hw/pci/pci_regs.h | 4 +
> include/hw/pci/pcie.h | 5 +
> include/hw/pci/pcie_regs.h | 8 +-
> include/net/checksum.h | 49 +-
> include/net/eth.h | 161 ++-
> include/net/net.h | 5 +
> net/checksum.c | 7 +-
> net/eth.c | 410 +++++-
> tests/Makefile | 4 +-
> trace-events | 195 +++
> 31 files changed, 7350 insertions(+), 1239 deletions(-)
> create mode 100644 hw/net/e1000e.c
> create mode 100644 hw/net/e1000e_core.c
> create mode 100644 hw/net/e1000e_core.h
> create mode 100644 hw/net/net_rx_pkt.c
> create mode 100644 hw/net/net_rx_pkt.h
> create mode 100644 hw/net/net_tx_pkt.c
> create mode 100644 hw/net/net_tx_pkt.h
> delete mode 100644 hw/net/vmxnet_rx_pkt.c
> delete mode 100644 hw/net/vmxnet_rx_pkt.h
> delete mode 100644 hw/net/vmxnet_tx_pkt.c
> delete mode 100644 hw/net/vmxnet_tx_pkt.h
>
- [Qemu-devel] [RFC PATCH v2 03/10] pcie: Add support for PCIe CAP v1, (continued)
- [Qemu-devel] [RFC PATCH v2 03/10] pcie: Add support for PCIe CAP v1, Leonid Bloch, 2016/01/18
- [Qemu-devel] [RFC PATCH v2 01/10] msix: make msix_clr_pending() visible for clients, Leonid Bloch, 2016/01/18
- [Qemu-devel] [RFC PATCH v2 02/10] pci: Introduce function for PCI PM capability creation, Leonid Bloch, 2016/01/18
- [Qemu-devel] [RFC PATCH v2 04/10] pcie: Introduce function for DSN capability creation, Leonid Bloch, 2016/01/18
- [Qemu-devel] [RFC PATCH v2 05/10] net: Introduce Toeplitz hash calculator, Leonid Bloch, 2016/01/18
- [Qemu-devel] [RFC PATCH v2 06/10] net: Add macros for ETH address tracing, Leonid Bloch, 2016/01/18
- [Qemu-devel] [RFC PATCH v2 09/10] e1000_regs: Add definitions for Intel 82574-specific bits, Leonid Bloch, 2016/01/18
- [Qemu-devel] [RFC PATCH v2 07/10] net_pkt: Name vmxnet3 packet abstractions more generic, Leonid Bloch, 2016/01/18
- [Qemu-devel] [RFC PATCH v2 08/10] net_pkt: Extend packet abstraction as requied by e1000e functionality, Leonid Bloch, 2016/01/18
- [Qemu-devel] [RFC PATCH v2 10/10] net: Introduce e1000e device emulation, Leonid Bloch, 2016/01/18
- Re: [Qemu-devel] [RFC PATCH v2 00/10] Introduce Intel 82574 GbE Controller Emulation (e1000e),
Jason Wang <=