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path: root/drivers/net/ethernet/intel/ice/ice_base.c
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Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_base.c')
-rw-r--r--drivers/net/ethernet/intel/ice/ice_base.c50
1 files changed, 46 insertions, 4 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_base.c b/drivers/net/ethernet/intel/ice/ice_base.c
index 1911d644dfa8..4a12316f7b46 100644
--- a/drivers/net/ethernet/intel/ice/ice_base.c
+++ b/drivers/net/ethernet/intel/ice/ice_base.c
@@ -103,10 +103,10 @@ static int ice_vsi_alloc_q_vector(struct ice_vsi *vsi, u16 v_idx)
{
struct ice_pf *pf = vsi->back;
struct ice_q_vector *q_vector;
+ int err;
/* allocate q_vector */
- q_vector = devm_kzalloc(ice_pf_to_dev(pf), sizeof(*q_vector),
- GFP_KERNEL);
+ q_vector = kzalloc(sizeof(*q_vector), GFP_KERNEL);
if (!q_vector)
return -ENOMEM;
@@ -118,9 +118,34 @@ static int ice_vsi_alloc_q_vector(struct ice_vsi *vsi, u16 v_idx)
q_vector->rx.itr_mode = ITR_DYNAMIC;
q_vector->tx.type = ICE_TX_CONTAINER;
q_vector->rx.type = ICE_RX_CONTAINER;
+ q_vector->irq.index = -ENOENT;
- if (vsi->type == ICE_VSI_VF)
+ if (vsi->type == ICE_VSI_VF) {
+ q_vector->reg_idx = ice_calc_vf_reg_idx(vsi->vf, q_vector);
goto out;
+ } else if (vsi->type == ICE_VSI_CTRL && vsi->vf) {
+ struct ice_vsi *ctrl_vsi = ice_get_vf_ctrl_vsi(pf, vsi);
+
+ if (ctrl_vsi) {
+ if (unlikely(!ctrl_vsi->q_vectors)) {
+ err = -ENOENT;
+ goto err_free_q_vector;
+ }
+
+ q_vector->irq = ctrl_vsi->q_vectors[0]->irq;
+ goto skip_alloc;
+ }
+ }
+
+ q_vector->irq = ice_alloc_irq(pf, vsi->irq_dyn_alloc);
+ if (q_vector->irq.index < 0) {
+ err = -ENOMEM;
+ goto err_free_q_vector;
+ }
+
+skip_alloc:
+ q_vector->reg_idx = q_vector->irq.index;
+
/* only set affinity_mask if the CPU is online */
if (cpu_online(v_idx))
cpumask_set_cpu(v_idx, &q_vector->affinity_mask);
@@ -137,6 +162,11 @@ out:
vsi->q_vectors[v_idx] = q_vector;
return 0;
+
+err_free_q_vector:
+ kfree(q_vector);
+
+ return err;
}
/**
@@ -168,7 +198,19 @@ static void ice_free_q_vector(struct ice_vsi *vsi, int v_idx)
if (vsi->netdev)
netif_napi_del(&q_vector->napi);
- devm_kfree(dev, q_vector);
+ /* release MSIX interrupt if q_vector had interrupt allocated */
+ if (q_vector->irq.index < 0)
+ goto free_q_vector;
+
+ /* only free last VF ctrl vsi interrupt */
+ if (vsi->type == ICE_VSI_CTRL && vsi->vf &&
+ ice_get_vf_ctrl_vsi(pf, vsi))
+ goto free_q_vector;
+
+ ice_free_irq(pf, q_vector->irq);
+
+free_q_vector:
+ kfree(q_vector);
vsi->q_vectors[v_idx] = NULL;
}