1 /* SPDX-License-Identifier: GPL-2.0 */
3 * This file is based on code from OCTEON SDK by Cavium Networks.
5 * Copyright (c) 2003-2007 Cavium Networks
8 #include <asm/octeon/cvmx-fau.h>
10 void cvm_oct_poll_controller(struct net_device *dev);
11 void cvm_oct_rx_initialize(void);
12 void cvm_oct_rx_shutdown(void);
14 static inline void cvm_oct_rx_refill_pool(int fill_threshold)
18 /* Refill the packet buffer pool */
20 cvmx_fau_fetch_and_add32(FAU_NUM_PACKET_BUFFERS_TO_FREE, 0);
22 if (number_to_free > fill_threshold) {
23 cvmx_fau_atomic_add32(FAU_NUM_PACKET_BUFFERS_TO_FREE,
25 num_freed = cvm_oct_mem_fill_fpa(CVMX_FPA_PACKET_POOL,
26 CVMX_FPA_PACKET_POOL_SIZE,
28 if (num_freed != number_to_free) {
29 cvmx_fau_atomic_add32(FAU_NUM_PACKET_BUFFERS_TO_FREE,
30 number_to_free - num_freed);