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/*********************************************************************
* Author: Cavium Networks
*
* Contact: support@caviumnetworks.com
* This file is part of the OCTEON SDK
*
* Copyright (c) 2003-2007 Cavium Networks
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, Version 2, as
* published by the Free Software Foundation.
*
* This file is distributed in the hope that it will be useful, but
* AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
* NONINFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with this file; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
* or visit http://www.gnu.org/licenses/.
*
* This file may also be available under a different license from Cavium.
* Contact Cavium Networks for more information
*********************************************************************/
int cvm_oct_xmit(struct sk_buff *skb, struct net_device *dev);
int cvm_oct_xmit_pow(struct sk_buff *skb, struct net_device *dev);
int cvm_oct_transmit_qos(struct net_device *dev, void *work_queue_entry,
int do_free, int qos);
void cvm_oct_tx_shutdown(struct net_device *dev);
/**
* Free dead transmit skbs.
*
* @priv: The driver data
* @skb_to_free: The number of SKBs to free (free none if negative).
* @qos: The queue to free from.
* @take_lock: If true, acquire the skb list lock.
*/
static inline void cvm_oct_free_tx_skbs(struct octeon_ethernet *priv,
int skb_to_free,
int qos, int take_lock)
{
/* Free skbuffs not in use by the hardware. */
if (skb_to_free > 0) {
if (take_lock)
spin_lock(&priv->tx_free_list[qos].lock);
while (skb_to_free > 0) {
dev_kfree_skb(__skb_dequeue(&priv->tx_free_list[qos]));
skb_to_free--;
}
if (take_lock)
spin_unlock(&priv->tx_free_list[qos].lock);
}
}
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