+/**
+ * ice_vsi_rebuild_update_coalesce - set coalesce for a q_vector
+ * @q_vector: pointer to q_vector which is being updated
+ * @coalesce: pointer to array of struct with stored coalesce
+ *
+ * Set coalesce param in q_vector and update these parameters in HW.
+ */
+static void
+ice_vsi_rebuild_update_coalesce(struct ice_q_vector *q_vector,
+ struct ice_coalesce_stored *coalesce)
+{
+ struct ice_ring_container *rx_rc = &q_vector->rx;
+ struct ice_ring_container *tx_rc = &q_vector->tx;
+ struct ice_hw *hw = &q_vector->vsi->back->hw;
+
+ tx_rc->itr_setting = coalesce->itr_tx;
+ rx_rc->itr_setting = coalesce->itr_rx;
+
+ /* dynamic ITR values will be updated during Tx/Rx */
+ if (!ITR_IS_DYNAMIC(tx_rc->itr_setting))
+ wr32(hw, GLINT_ITR(tx_rc->itr_idx, q_vector->reg_idx),
+ ITR_REG_ALIGN(tx_rc->itr_setting) >>
+ ICE_ITR_GRAN_S);
+ if (!ITR_IS_DYNAMIC(rx_rc->itr_setting))
+ wr32(hw, GLINT_ITR(rx_rc->itr_idx, q_vector->reg_idx),
+ ITR_REG_ALIGN(rx_rc->itr_setting) >>
+ ICE_ITR_GRAN_S);
+
+ q_vector->intrl = coalesce->intrl;
+ wr32(hw, GLINT_RATE(q_vector->reg_idx),
+ ice_intrl_usec_to_reg(q_vector->intrl, hw->intrl_gran));
+}
+
+/**
+ * ice_vsi_rebuild_get_coalesce - get coalesce from all q_vectors
+ * @vsi: VSI connected with q_vectors
+ * @coalesce: array of struct with stored coalesce
+ *
+ * Returns array size.
+ */
+static int
+ice_vsi_rebuild_get_coalesce(struct ice_vsi *vsi,
+ struct ice_coalesce_stored *coalesce)
+{
+ int i;
+
+ ice_for_each_q_vector(vsi, i) {
+ struct ice_q_vector *q_vector = vsi->q_vectors[i];
+
+ coalesce[i].itr_tx = q_vector->tx.itr_setting;
+ coalesce[i].itr_rx = q_vector->rx.itr_setting;
+ coalesce[i].intrl = q_vector->intrl;
+ }
+
+ return vsi->num_q_vectors;
+}
+
+/**
+ * ice_vsi_rebuild_set_coalesce - set coalesce from earlier saved arrays
+ * @vsi: VSI connected with q_vectors
+ * @coalesce: pointer to array of struct with stored coalesce
+ * @size: size of coalesce array
+ *
+ * Before this function, ice_vsi_rebuild_get_coalesce should be called to save
+ * ITR params in arrays. If size is 0 or coalesce wasn't stored set coalesce
+ * to default value.
+ */
+static void
+ice_vsi_rebuild_set_coalesce(struct ice_vsi *vsi,
+ struct ice_coalesce_stored *coalesce, int size)
+{
+ int i;
+
+ if ((size && !coalesce) || !vsi)
+ return;
+
+ for (i = 0; i < size && i < vsi->num_q_vectors; i++)
+ ice_vsi_rebuild_update_coalesce(vsi->q_vectors[i],
+ &coalesce[i]);
+
+ for (; i < vsi->num_q_vectors; i++) {
+ struct ice_coalesce_stored coalesce_dflt = {
+ .itr_tx = ICE_DFLT_TX_ITR,
+ .itr_rx = ICE_DFLT_RX_ITR,
+ .intrl = 0
+ };
+ ice_vsi_rebuild_update_coalesce(vsi->q_vectors[i],
+ &coalesce_dflt);
+ }
+}
+