From: Chengwen Feng <fengcheng...@huawei.com> This patch adds link status event pre-conditions.
Signed-off-by: Chengwen Feng <fengcheng...@huawei.com> Signed-off-by: Min Hu (Connor) <humi...@huawei.com> --- v2: * not modified, only waiting for 5.13 kernel released. --- 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 cf72810..c5c55d3 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. + Driver compilation and testing ------------------------------ -- 2.7.4
