Re: [dpdk-dev] [PATCH 6/6] doc: add link status event pre-conditions
From: Ferruh Yigit <hidden>
Date: 2021-05-11 16:14:42
On 5/7/2021 10:08 AM, Min Hu (Connor) wrote:
quoted hunk ↗ jump to hunk
From: Chengwen Feng <redacted> This patch adds link status event pre-conditions. Signed-off-by: Chengwen Feng <redacted> Signed-off-by: Min Hu (Connor) <redacted> --- doc/guides/nics/hns3.rst | 10 ++++++++++ 1 file changed, 10 insertions(+)diff --git a/doc/guides/nics/hns3.rst b/doc/guides/nics/hns3.rst index 4439df5..c3aded8 100644 --- a/doc/guides/nics/hns3.rst +++ b/doc/guides/nics/hns3.rst@@ -115,6 +115,16 @@ Runtime Config Options For example:: -a 0000:7d:00.0,dev_caps_mask=0xF +Link status event Pre-conditions +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Firmware 1.8.0.0 and later versions support reporting link changes to the PF. +Therefore, to use the LSC for the PF driver, ensure that the firmware version +also supports reporting link changes. +If the VF driver needs to support LSC, special patch must be added: +`<https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/drivers/net/ethernet/hisilicon/hns3?h=next-20210428&id=18b6e31f8bf4ac7af7b057228f38a5a530378e4e>`_. +Note: The patch has been uploaded to 5.13 of the Linux kernel mainline. +
I am not sure about documenting a not released kernel patch for the support, what about waiting kernel release for support? cc'ed more people for comment.