void mlx4_en_deactivate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq)
{
napi_disable(&cq->napi);
if (!cq->is_tx) {
napi_hash_del(&cq->napi);
synchronize_rcu();
}
netif_napi_del(&cq->napi);
mlx4_cq_free(priv->mdev->dev, &cq->mcq);
}
void mlx4_en_deactivate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq)
{
napi_disable(&cq->napi);
#ifdef HAVE_NAPI_HASH_ADD
if (!cq->is_tx) {
napi_hash_del(&cq->napi);
synchronize_rcu();
}
#endif
netif_napi_del(&cq->napi);
mlx4_cq_free(priv->mdev->dev, &cq->mcq);
}
static void sn_free_queues(struct sn_device *dev)
{
int i;
for (i = 0; i < dev->num_rxq; i++) {
#ifdef CONFIG_NET_RX_BUSY_POLL
napi_hash_del(&dev->rx_queues[i]->rx.napi);
#endif
netif_napi_del(&dev->rx_queues[i]->rx.napi);
}
/* Queues are allocated in batch,
* and the tx_queues[0] is its address */
kfree(dev->tx_queues[0]);
}
static void sn_free_queues(struct sn_device *dev)
{
int i;
log_info("%s: releasing queues\n", dev->netdev->name);
for (i = 0; i < dev->num_rxq; i++) {
napi_hash_del(&dev->rx_queues[i]->napi);
netif_napi_del(&dev->rx_queues[i]->napi);
}
/* Queues are allocated in batch,
* and the tx_queues[0] is its address */
kfree(dev->tx_queues[0]);
}
/**
* ixgbe_free_q_vector - Free memory allocated for specific interrupt vector
* @adapter: board private structure to initialize
* @v_idx: Index of vector to be freed
*
* This function frees the memory allocated to the q_vector. In addition if
* NAPI is enabled it will delete any references to the NAPI struct prior
* to freeing the q_vector.
**/
static void ixgbe_free_q_vector(struct ixgbe_adapter *adapter, int v_idx)
{
struct ixgbe_q_vector *q_vector = adapter->q_vector[v_idx];
struct ixgbe_ring *ring;
ixgbe_for_each_ring(ring, q_vector->tx)
adapter->tx_ring[ring->queue_index] = NULL;
ixgbe_for_each_ring(ring, q_vector->rx)
adapter->rx_ring[ring->queue_index] = NULL;
adapter->q_vector[v_idx] = NULL;
napi_hash_del(&q_vector->napi);
netif_napi_del(&q_vector->napi);
/*
* ixgbe_get_stats64() might access the rings on this vector,
* we must wait a grace period before freeing it.
*/
kfree_rcu(q_vector, rcu);
}
