[Intel-wired-lan] [PATCH iwl-next V2 07/15] ice: do not notify VF link state during migration

From: Lingyu Liu <lingyu.liu@intel.com>
To: intel-wired-lan@lists.osuosl.org
Cc: kevin.tian@intel.com, yi.l.liu@intel.com, phani.r.burra@intel.com
Subject: [Intel-wired-lan] [PATCH iwl-next V2 07/15] ice: do not notify VF link state during migration
Date: Wed, 21 Jun 2023 09:11:04 +0000	[thread overview]
Message-ID: <20230621091112.44945-8-lingyu.liu@intel.com> (raw)
In-Reply-To: <20230621091112.44945-1-lingyu.liu@intel.com>

PF driver will notify VF link state when replaying virtual channel
commands GET_VF_RESOURCE and ENABLE_QUEUES.

Block PF driver to send message to VF if it is migrating.

Signed-off-by: Lingyu Liu <lingyu.liu@intel.com>
Signed-off-by: Yahui Cao <yahui.cao@intel.com>
---
 drivers/net/ethernet/intel/ice/ice_virtchnl.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/ethernet/intel/ice/ice_virtchnl.c b/drivers/net/ethernet/intel/ice/ice_virtchnl.c
index 6c99ad7ac2e0..0a10ea0b3b6d 100644
--- a/drivers/net/ethernet/intel/ice/ice_virtchnl.c
+++ b/drivers/net/ethernet/intel/ice/ice_virtchnl.c
@@ -233,6 +233,9 @@ void ice_vc_notify_vf_link_state(struct ice_vf *vf)
 	struct virtchnl_pf_event pfe = { 0 };
 	struct ice_hw *hw = &vf->pf->hw;
 
+	if (test_bit(ICE_VF_STATE_REPLAYING_VC, vf->vf_states))
+		return;
+
 	pfe.event = VIRTCHNL_EVENT_LINK_CHANGE;
 	pfe.severity = PF_EVENT_SEVERITY_INFO;
 
-- 
2.25.1

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