diff options
Diffstat (limited to 'drivers/staging/octeon/ethernet-tx.h')
| -rw-r--r-- | drivers/staging/octeon/ethernet-tx.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/drivers/staging/octeon/ethernet-tx.h b/drivers/staging/octeon/ethernet-tx.h new file mode 100644 index 00000000000..c0bebf750bc --- /dev/null +++ b/drivers/staging/octeon/ethernet-tx.h @@ -0,0 +1,57 @@ +/********************************************************************* + * 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); + } +} |