1 files changed, 30 insertions, 28 deletions

diff --git a/drivers/net/ethernet/intel/ice/ice_idc.c b/drivers/net/ethernet/intel/ice/ice_idc.c
index adcc9a251595..895c32bcc8b5 100644
--- a/drivers/net/ethernet/intel/ice/ice_idc.c
+++ b/drivers/net/ethernet/intel/ice/ice_idc.c
@@ -34,29 +34,20 @@ void ice_send_event_to_aux(struct ice_pf *pf, struct iidc_event *event)
 {
 	struct iidc_auxiliary_drv *iadrv;
 
-	if (!pf->adev)
+	if (WARN_ON_ONCE(!in_task()))
 		return;
 
+	mutex_lock(&pf->adev_mutex);
+	if (!pf->adev)
+		goto finish;
+
 	device_lock(&pf->adev->dev);
 	iadrv = ice_get_auxiliary_drv(pf);
 	if (iadrv && iadrv->event_handler)
 		iadrv->event_handler(pf, event);
 	device_unlock(&pf->adev->dev);
-}
-
-/**
- * ice_find_vsi - Find the VSI from VSI ID
- * @pf: The PF pointer to search in
- * @vsi_num: The VSI ID to search for
- */
-static struct ice_vsi *ice_find_vsi(struct ice_pf *pf, u16 vsi_num)
-{
-	int i;
-
-	ice_for_each_vsi(pf, i)
-		if (pf->vsi[i] && pf->vsi[i]->vsi_num == vsi_num)
-			return  pf->vsi[i];
-	return NULL;
+finish:
+	mutex_unlock(&pf->adev_mutex);
 }
 
 /**
@@ -79,7 +70,7 @@ int ice_add_rdma_qset(struct ice_pf *pf, struct iidc_rdma_qset_params *qset)
 
 	dev = ice_pf_to_dev(pf);
 
-	if (!test_bit(ICE_FLAG_RDMA_ENA, pf->flags))
+	if (!ice_is_rdma_ena(pf))
 		return -EINVAL;
 
 	vsi = ice_get_main_vsi(pf);
@@ -227,6 +218,11 @@ void ice_get_qos_params(struct ice_pf *pf, struct iidc_qos_params *qos)
 
 	for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++)
 		qos->tc_info[i].rel_bw = dcbx_cfg->etscfg.tcbwtable[i];
+
+	qos->pfc_mode = dcbx_cfg->pfc_mode;
+	if (qos->pfc_mode == IIDC_DSCP_PFC_MODE)
+		for (i = 0; i < IIDC_MAX_DSCP_MAPPING; i++)
+			qos->dscp_map[i] = dcbx_cfg->dscp_map[i];
 }
 EXPORT_SYMBOL_GPL(ice_get_qos_params);
 
@@ -236,7 +232,7 @@ EXPORT_SYMBOL_GPL(ice_get_qos_params);
  */
 static int ice_reserve_rdma_qvector(struct ice_pf *pf)
 {
-	if (test_bit(ICE_FLAG_RDMA_ENA, pf->flags)) {
+	if (ice_is_rdma_ena(pf)) {
 		int index;
 
 		index = ice_get_res(pf, pf->irq_tracker, pf->num_rdma_msix,
@@ -274,7 +270,7 @@ int ice_plug_aux_dev(struct ice_pf *pf)
 	/* if this PF doesn't support a technology that requires auxiliary
 	 * devices, then gracefully exit
 	 */
-	if (!ice_is_aux_ena(pf))
+	if (!ice_is_rdma_ena(pf))
 		return 0;
 
 	iadev = kzalloc(sizeof(*iadev), GFP_KERNEL);
@@ -282,28 +278,29 @@ int ice_plug_aux_dev(struct ice_pf *pf)
 		return -ENOMEM;
 
 	adev = &iadev->adev;
-	pf->adev = adev;
 	iadev->pf = pf;
 
 	adev->id = pf->aux_idx;
 	adev->dev.release = ice_adev_release;
 	adev->dev.parent = &pf->pdev->dev;
-	adev->name = IIDC_RDMA_ROCE_NAME;
+	adev->name = pf->rdma_mode & IIDC_RDMA_PROTOCOL_ROCEV2 ? "roce" : "iwarp";
 
 	ret = auxiliary_device_init(adev);
 	if (ret) {
-		pf->adev = NULL;
 		kfree(iadev);
 		return ret;
 	}
 
 	ret = auxiliary_device_add(adev);
 	if (ret) {
-		pf->adev = NULL;
 		auxiliary_device_uninit(adev);
 		return ret;
 	}
 
+	mutex_lock(&pf->adev_mutex);
+	pf->adev = adev;
+	mutex_unlock(&pf->adev_mutex);
+
 	return 0;
 }
 
@@ -312,12 +309,17 @@ int ice_plug_aux_dev(struct ice_pf *pf)
  */
 void ice_unplug_aux_dev(struct ice_pf *pf)
 {
-	if (!pf->adev)
-		return;
+	struct auxiliary_device *adev;
 
-	auxiliary_device_delete(pf->adev);
-	auxiliary_device_uninit(pf->adev);
+	mutex_lock(&pf->adev_mutex);
+	adev = pf->adev;
 	pf->adev = NULL;
+	mutex_unlock(&pf->adev_mutex);
+
+	if (adev) {
+		auxiliary_device_delete(adev);
+		auxiliary_device_uninit(adev);
+	}
 }
 
 /**
@@ -335,6 +337,6 @@ int ice_init_rdma(struct ice_pf *pf)
 		dev_err(dev, "failed to reserve vectors for RDMA\n");
 		return ret;
 	}
-
+	pf->rdma_mode |= IIDC_RDMA_PROTOCOL_ROCEV2;
 	return ice_plug_aux_dev(pf);
 }