diff options
author | Alexander Duyck <alexander.h.duyck@intel.com> | 2014-09-20 19:48:29 -0400 |
---|---|---|
committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2014-09-23 03:59:16 -0700 |
commit | 504c5eac1d7ed9498d7bf797a23592a8f2f9f234 (patch) | |
tree | 7bc868c522b724f688eadb2da451b2d044bd13b8 /drivers/net/ethernet/intel/fm10k/fm10k_netdev.c | |
parent | 8f5e20d45c2bc25c882bc0c13fb136d31239ea96 (diff) |
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>
Diffstat (limited to 'drivers/net/ethernet/intel/fm10k/fm10k_netdev.c')
-rw-r--r-- | drivers/net/ethernet/intel/fm10k/fm10k_netdev.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c b/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c index cf7b4f32a996..ca84898c208e 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 @@ void fm10k_reset_rx_state(struct fm10k_intfc *interface) } 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, |