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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
*********************************************************************/
#include "cvmx-fau.h"
void cvm_oct_poll_controller(struct net_device *dev);
void cvm_oct_rx_initialize(void);
void cvm_oct_rx_shutdown(void);
static inline void cvm_oct_rx_refill_pool(int fill_threshold)
{
int number_to_free;
int num_freed;
/* Refill the packet buffer pool */
number_to_free =
cvmx_fau_fetch_and_add32(FAU_NUM_PACKET_BUFFERS_TO_FREE, 0);
if (number_to_free > fill_threshold) {
cvmx_fau_atomic_add32(FAU_NUM_PACKET_BUFFERS_TO_FREE,
-number_to_free);
num_freed = cvm_oct_mem_fill_fpa(CVMX_FPA_PACKET_POOL,
CVMX_FPA_PACKET_POOL_SIZE,
number_to_free);
if (num_freed != number_to_free) {
cvmx_fau_atomic_add32(FAU_NUM_PACKET_BUFFERS_TO_FREE,
number_to_free - num_freed);
}
}
}
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