Re: [dpdk-dev] [PATCH 22/22] net/hns3: add hns3 build files

["Wei Hu (Xavier)" <xavier.huwei@huawei.com>]

On 2019/8/30 11:22, Wei Hu (Xavier) wrote:
> Hi,  Jerin
>
>
> On 2019/8/23 22:08, Jerin Jacob Kollanukkaran wrote:
>>> -----Original Message-----
>>> From: dev <dev-bounces@dpdk.org> On Behalf Of Wei Hu (Xavier)
>>> Sent: Friday, August 23, 2019 7:17 PM
>>> To: dev@dpdk.org
>>> Cc: linuxarm@huawei.com; xavier_huwei@163.com;
>>> liudongdong3@huawei.com; forest.zhouchang@huawei.com
>>> Subject: [dpdk-dev] [PATCH 22/22] net/hns3: add hns3 build files
>>>
>>> This patch add build related files for hns3 PMD driver.
>>>
>>> Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>
>>> Signed-off-by: Min Hu (Connor) <humin29@huawei.com>
>>> Signed-off-by: Chunsong Feng <fengchunsong@huawei.com>
>>> Signed-off-by: Hao Chen <chenhao164@huawei.com>
>>> Signed-off-by: Huisong Li <lihuisong@huawei.com>
>>> ---
>>> +# Hisilicon HNS3 PMD driver
>>> +#
>>> +CONFIG_RTE_LIBRTE_HNS3_PMD=y
>> # Please add meson support
> This patch already contains meson support,  thanks
>> # Move build infra to the first patch
>> # See git log drivers/net/octeontx2 as example
> OK, I will  adjust the order of the patches in this series and send V2.
>>
>>> diff --git a/config/common_base b/config/common_base
>>> index 8ef75c2..71a2c33 100644
>>> --- a/config/common_base
>>> +++ b/config/common_base
>>> @@ -282,6 +282,11 @@
>>> CONFIG_RTE_LIBRTE_E1000_PF_DISABLE_STRIP_CRC=n
>>>  CONFIG_RTE_LIBRTE_HINIC_PMD=n
>>>
>>>  #
>>> +# Compile burst-oriented HNS3 PMD driver
>>> +#
>>> +CONFIG_RTE_LIBRTE_HNS3_PMD=n
>>> +
>>> +#
>>>  # Compile burst-oriented IXGBE PMD driver
>>>  #
>>>  CONFIG_RTE_LIBRTE_IXGBE_PMD=y
>>> diff --git a/config/defconfig_arm64-armv8a-linuxapp-clang
>>> b/config/defconfig_arm64-armv8a-linuxapp-clang
>>> index d3b4dad..c73f5fb 100644
>>> --- a/config/defconfig_arm64-armv8a-linuxapp-clang
>>> +++ b/config/defconfig_arm64-armv8a-linuxapp-clang
>>> @@ -6,3 +6,5 @@
>>>
>>>  CONFIG_RTE_TOOLCHAIN="clang"
>>>  CONFIG_RTE_TOOLCHAIN_CLANG=y
>>> +
>>> +CONFIG_RTE_LIBRTE_HNS3_PMD=n
>>> diff --git a/doc/guides/nics/features/hns3.ini
>>> b/doc/guides/nics/features/hns3.ini
>>> new file mode 100644
>>> index 0000000..d38d35e
>>> --- /dev/null
>>> +++ b/doc/guides/nics/features/hns3.ini
>>> @@ -0,0 +1,38 @@
>>> +;
>>> +; Supported features of the 'hns3' network poll mode driver.
>> Add doc changes when driver feature gets added.
>> # See git log drivers/net/octeontx2 as example
> OK, I will modify the patches and send V2.
> Thanks
>>> +;
>>> +; Refer to default.ini for the full list of available PMD features.
>>> +;
>>> +[Features]
>>> +Link status          = Y
>>> +MTU update           = Y
>>> +Jumbo frame          = Y
>>> +Promiscuous mode     = Y
>>> +Allmulticast mode    = Y
>>> diff --git a/doc/guides/nics/hns3.rst b/doc/guides/nics/hns3.rst
>>> new file mode 100644
>>> index 0000000..c9d0253
>>> --- /dev/null
>>> +++ b/doc/guides/nics/hns3.rst
>>> @@ -0,0 +1,55 @@
>>> +..  SPDX-License-Identifier: BSD-3-Clause
>>> +    Copyright(c) 2018-2019 Hisilicon Limited.
>>> +
>>> +HNS3 Poll Mode Driver
>>> +===============================
>>> +
>>> +The Hisilicon Network Subsystem is a long term evolution IP which is
>>> +supposed to be used in Hisilicon ICT SoCs such as Kunpeng 920.
>>> +
>>> +The HNS3 PMD (librte_pmd_hns3) provides poll mode driver support
>>> +for hns3(Hisilicon Network Subsystem 3) network engine.
>>> +
>>> +Features
>>> +--------
>>> +
>>> +Features of the HNS3 PMD are:
>>> +
>>> +- Arch support: ARMv8.
>> Is it an integrated NIC controller? Why it is supported only on ARMv8?
>> The reason why I asking because, Enabling CONFIG_RTE_LIBRTE_HNS3_PMD=y
>> only on arm64 will create a case where build fails for arm64 and passes for
>> x86. I would like to avoid such disparity. If the build is passing on x86 make it
>> enable in the common code, not in arm64 config.
> Currently this network engine is integrated in the SoCs, the SoCs can be
> used
> as a PCIe EP integrated NIC controllers or be used as universal cpus on
> the device,
> such as servers. The network engine is accessed by ARM cores in the SoCs.
> We will enabling CONFIG_RTE_LIBRTE_HNS3_PMD=y in common_linux config in V2.
> Thanks.
Hi,  Jerin

    as a PCIe EP integrated NIC controllers -> as a PCIe EP Intelligent
NIC controllers

    Since it is currently only accessed by ARM cores on SoCs,
    maybe it is also reasonable to compile only on ARMv8, right?

    Regards

Xaiver
>>> +- Multiple queues for TX and RX
>>> +- Receive Side Scaling (RSS)
>>> +- Packet type information
>>> +- Checksum offload
>>> +- Promiscuous mode
>>> +- Multicast mode
>>> +- Port hardware statistics
>>> +- Jumbo frames
>>> +- Link state information
>>> +- VLAN stripping
>>> +cflags += '-DALLOW_EXPERIMENTAL_API'
>>> diff --git a/drivers/net/hns3/rte_pmd_hns3_version.map
>>> b/drivers/net/hns3/rte_pmd_hns3_version.map
>>> new file mode 100644
>>> index 0000000..3aef967
>>> --- /dev/null
>>> +++ b/drivers/net/hns3/rte_pmd_hns3_version.map
>>> @@ -0,0 +1,3 @@
>>> +DPDK_19.08 {
>> Change to 19.11
> OK, I will modify the patches and send V2. Thanks.
>
> Regards
> Xavier
>>
>>
>
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