fm10k: Add support for ndo_open/stop
Add support for brining the interface up/down. This is still primitive yet
as we have not yet added support for the descriptor queues.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c b/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c
index cf7b4f3..ca84898 100644
--- a/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c
+++ b/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c
@@ -20,6 +20,72 @@
#include "fm10k.h"
+/**
+ * fm10k_request_glort_range - Request GLORTs for use in configuring rules
+ * @interface: board private structure
+ *
+ * This function allocates a range of glorts for this inteface to use.
+ **/
+static void fm10k_request_glort_range(struct fm10k_intfc *interface)
+{
+ struct fm10k_hw *hw = &interface->hw;
+ u16 mask = (~hw->mac.dglort_map) >> FM10K_DGLORTMAP_MASK_SHIFT;
+
+ /* establish GLORT base */
+ interface->glort = hw->mac.dglort_map & FM10K_DGLORTMAP_NONE;
+ interface->glort_count = 0;
+
+ /* nothing we can do until mask is allocated */
+ if (hw->mac.dglort_map == FM10K_DGLORTMAP_NONE)
+ return;
+
+ interface->glort_count = mask + 1;
+}
+
+/**
+ * fm10k_open - Called when a network interface is made active
+ * @netdev: network interface device structure
+ *
+ * Returns 0 on success, negative value on failure
+ *
+ * The open entry point is called when a network interface is made
+ * active by the system (IFF_UP). At this point all resources needed
+ * for transmit and receive operations are allocated, the interrupt
+ * handler is registered with the OS, the watchdog timer is started,
+ * and the stack is notified that the interface is ready.
+ **/
+int fm10k_open(struct net_device *netdev)
+{
+ struct fm10k_intfc *interface = netdev_priv(netdev);
+
+ /* setup GLORT assignment for this port */
+ fm10k_request_glort_range(interface);
+
+ fm10k_up(interface);
+
+ return 0;
+}
+
+/**
+ * fm10k_close - Disables a network interface
+ * @netdev: network interface device structure
+ *
+ * Returns 0, this is not allowed to fail
+ *
+ * The close entry point is called when an interface is de-activated
+ * by the OS. The hardware is still under the drivers control, but
+ * needs to be disabled. A global MAC reset is issued to stop the
+ * hardware, and all transmit and receive resources are freed.
+ **/
+int fm10k_close(struct net_device *netdev)
+{
+ struct fm10k_intfc *interface = netdev_priv(netdev);
+
+ fm10k_down(interface);
+
+ return 0;
+}
+
static netdev_tx_t fm10k_xmit_frame(struct sk_buff *skb, struct net_device *dev)
{
dev_kfree_skb_any(skb);
@@ -398,6 +464,8 @@
}
static const struct net_device_ops fm10k_netdev_ops = {
+ .ndo_open = fm10k_open,
+ .ndo_stop = fm10k_close,
.ndo_validate_addr = eth_validate_addr,
.ndo_start_xmit = fm10k_xmit_frame,
.ndo_set_mac_address = fm10k_set_mac,