dpdk/0127-net-hns3-cancel-heartbeat-alarm-when-VF-reset.patch

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From 9a640a6c9cfbf7b5dea307209dc6f20cbfc871c0 Mon Sep 17 00:00:00 2001
From: Huisong Li <lihuisong@huawei.com>
Date: Fri, 21 Oct 2022 15:36:03 +0800
Subject: [PATCH 127/189] net/hns3: cancel heartbeat alarm when VF reset
The purpose of the heartbeat alarm is to keep alive for VF. The mailbox
channel is disabled when VF is reset, and the heartbeat mailbox message
will fail to send. If the reset is not complete, the error information
about the heartbeat sending failure will be printed continuously.
In fact, VF does set alive when VF restore its configuration. So the
heartbeat alarm can be canceled to prepare to start reset and start the
alarm when start service.
Signed-off-by: Huisong Li <lihuisong@huawei.com>
Signed-off-by: Dongdong Liu <liudongdong3@huawei.com>
---
drivers/net/hns3/hns3_ethdev_vf.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/net/hns3/hns3_ethdev_vf.c b/drivers/net/hns3/hns3_ethdev_vf.c
index b85f68cb1d..0dea63e8be 100644
--- a/drivers/net/hns3/hns3_ethdev_vf.c
+++ b/drivers/net/hns3/hns3_ethdev_vf.c
@@ -1977,6 +1977,8 @@ hns3vf_stop_service(struct hns3_adapter *hns)
} else
hw->reset.mbuf_deferred_free = false;
+ rte_eal_alarm_cancel(hns3vf_keep_alive_handler, eth_dev);
+
/*
* It is cumbersome for hardware to pick-and-choose entries for deletion
* from table space. Hence, for function reset software intervention is
@@ -1998,6 +2000,10 @@ hns3vf_start_service(struct hns3_adapter *hns)
eth_dev = &rte_eth_devices[hw->data->port_id];
hns3_set_rxtx_function(eth_dev);
hns3_mp_req_start_rxtx(eth_dev);
+
+ rte_eal_alarm_set(HNS3VF_KEEP_ALIVE_INTERVAL, hns3vf_keep_alive_handler,
+ eth_dev);
+
if (hw->adapter_state == HNS3_NIC_STARTED) {
hns3vf_start_poll_job(eth_dev);
--
2.23.0