This is a note to let you know that I've just added the patch titled
net: hns3: fix VF wrong speed and duplex issue
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
net-hns3-fix-vf-wrong-speed-and-duplex-issue.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit c12575deb5a4ab1d42e3006c78399b2bde08fb4e
Author: Jijie Shao <shaojijie@xxxxxxxxxx>
Date: Fri Nov 10 17:37:13 2023 +0800
net: hns3: fix VF wrong speed and duplex issue
[ Upstream commit dff655e82faffc287d4a72a59f66fa120bf904e4 ]
If PF is down, firmware will returns 10 Mbit/s rate and half-duplex mode
when PF queries the port information from firmware.
After imp reset command is executed, PF status changes to down,
and PF will query link status and updates port information
from firmware in a periodic scheduled task.
However, there is a low probability that port information is updated
when PF is down, and then PF link status changes to up.
In this case, PF synchronizes incorrect rate and duplex mode to VF.
This patch fixes it by updating port information before
PF synchronizes the rate and duplex to the VF
when PF changes to up.
Fixes: 18b6e31f8bf4 ("net: hns3: PF add support for pushing link status to VFs")
Signed-off-by: Jijie Shao <shaojijie@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index 7c28c74c1de92..9e33f0f0b75dd 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -72,6 +72,7 @@ static void hclge_sync_promisc_mode(struct hclge_dev *hdev);
static void hclge_sync_fd_table(struct hclge_dev *hdev);
static int hclge_mac_link_status_wait(struct hclge_dev *hdev, int link_ret,
int wait_cnt);
+static int hclge_update_port_info(struct hclge_dev *hdev);
static struct hnae3_ae_algo ae_algo;
@@ -2950,6 +2951,9 @@ static void hclge_update_link_status(struct hclge_dev *hdev)
if (state != hdev->hw.mac.link) {
hdev->hw.mac.link = state;
+ if (state == HCLGE_LINK_STATUS_UP)
+ hclge_update_port_info(hdev);
+
client->ops->link_status_change(handle, state);
hclge_config_mac_tnl_int(hdev, state);
if (rclient && rclient->ops->link_status_change)
