return 0;
}
+/**
+ * nfp_net_close_stack() - Quiesce the stack (part of close)
+ * @nn: NFP Net device to reconfigure
+ */
+static void nfp_net_close_stack(struct nfp_net *nn)
+{
+ unsigned int r;
+
+ disable_irq(nn->irq_entries[NFP_NET_IRQ_LSC_IDX].vector);
+ netif_carrier_off(nn->dp.netdev);
+ nn->link_up = false;
+
+ for (r = 0; r < nn->dp.num_r_vecs; r++) {
+ disable_irq(nn->r_vecs[r].irq_vector);
+ napi_disable(&nn->r_vecs[r].napi);
+ }
+
+ netif_tx_disable(nn->dp.netdev);
+}
+
+/**
+ * nfp_net_close_free_all() - Free all runtime resources
+ * @nn: NFP Net device to reconfigure
+ */
+static void nfp_net_close_free_all(struct nfp_net *nn)
+{
+ unsigned int r;
+
+ for (r = 0; r < nn->dp.num_rx_rings; r++) {
+ nfp_net_rx_ring_bufs_free(&nn->dp, &nn->dp.rx_rings[r]);
+ nfp_net_rx_ring_free(&nn->dp.rx_rings[r]);
+ }
+ for (r = 0; r < nn->dp.num_tx_rings; r++) {
+ nfp_net_tx_ring_bufs_free(&nn->dp, &nn->dp.tx_rings[r]);
+ nfp_net_tx_ring_free(&nn->dp.tx_rings[r]);
+ }
+ for (r = 0; r < nn->dp.num_r_vecs; r++)
+ nfp_net_cleanup_vector(nn, &nn->r_vecs[r]);
+
+ kfree(nn->dp.rx_rings);
+ kfree(nn->dp.tx_rings);
+
+ nfp_net_aux_irq_free(nn, NFP_NET_CFG_LSC, NFP_NET_IRQ_LSC_IDX);
+ nfp_net_aux_irq_free(nn, NFP_NET_CFG_EXN, NFP_NET_IRQ_EXN_IDX);
+}
+
+/**
+ * nfp_net_netdev_close() - Called when the device is downed
+ * @netdev: netdev structure
+ */
+static int nfp_net_netdev_close(struct net_device *netdev)
+{
+ struct nfp_net *nn = netdev_priv(netdev);
+
+ /* Step 1: Disable RX and TX rings from the Linux kernel perspective
+ */
+ nfp_net_close_stack(nn);
+
+ /* Step 2: Tell NFP
+ */
+ nfp_net_clear_config_and_disable(nn);
+
+ /* Step 3: Free resources
+ */
+ nfp_net_close_free_all(nn);
+
+ nn_dbg(nn, "%s down", netdev->name);
+ return 0;
+}
+
/**
* nfp_net_open_stack() - Start the device from stack's perspective
* @nn: NFP Net device to reconfigure
return err;
}
-/**
- * nfp_net_close_stack() - Quiescent the stack (part of close)
- * @nn: NFP Net device to reconfigure
- */
-static void nfp_net_close_stack(struct nfp_net *nn)
-{
- unsigned int r;
-
- disable_irq(nn->irq_entries[NFP_NET_IRQ_LSC_IDX].vector);
- netif_carrier_off(nn->dp.netdev);
- nn->link_up = false;
-
- for (r = 0; r < nn->dp.num_r_vecs; r++) {
- disable_irq(nn->r_vecs[r].irq_vector);
- napi_disable(&nn->r_vecs[r].napi);
- }
-
- netif_tx_disable(nn->dp.netdev);
-}
-
-/**
- * nfp_net_close_free_all() - Free all runtime resources
- * @nn: NFP Net device to reconfigure
- */
-static void nfp_net_close_free_all(struct nfp_net *nn)
-{
- unsigned int r;
-
- for (r = 0; r < nn->dp.num_rx_rings; r++) {
- nfp_net_rx_ring_bufs_free(&nn->dp, &nn->dp.rx_rings[r]);
- nfp_net_rx_ring_free(&nn->dp.rx_rings[r]);
- }
- for (r = 0; r < nn->dp.num_tx_rings; r++) {
- nfp_net_tx_ring_bufs_free(&nn->dp, &nn->dp.tx_rings[r]);
- nfp_net_tx_ring_free(&nn->dp.tx_rings[r]);
- }
- for (r = 0; r < nn->dp.num_r_vecs; r++)
- nfp_net_cleanup_vector(nn, &nn->r_vecs[r]);
-
- kfree(nn->dp.rx_rings);
- kfree(nn->dp.tx_rings);
-
- nfp_net_aux_irq_free(nn, NFP_NET_CFG_LSC, NFP_NET_IRQ_LSC_IDX);
- nfp_net_aux_irq_free(nn, NFP_NET_CFG_EXN, NFP_NET_IRQ_EXN_IDX);
-}
-
-/**
- * nfp_net_netdev_close() - Called when the device is downed
- * @netdev: netdev structure
- */
-static int nfp_net_netdev_close(struct net_device *netdev)
-{
- struct nfp_net *nn = netdev_priv(netdev);
-
- /* Step 1: Disable RX and TX rings from the Linux kernel perspective
- */
- nfp_net_close_stack(nn);
-
- /* Step 2: Tell NFP
- */
- nfp_net_clear_config_and_disable(nn);
-
- /* Step 3: Free resources
- */
- nfp_net_close_free_all(nn);
-
- nn_dbg(nn, "%s down", netdev->name);
- return 0;
-}
-
static void nfp_net_set_rx_mode(struct net_device *netdev)
{
struct nfp_net *nn = netdev_priv(netdev);