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 void cvm_oct_poll_controller(struct net_device *dev);
9 void cvm_oct_rx_initialize(void);
10 void cvm_oct_rx_shutdown(void);
12 static inline void cvm_oct_rx_refill_pool(int fill_threshold)
16 /* Refill the packet buffer pool */
18 cvmx_fau_fetch_and_add32(FAU_NUM_PACKET_BUFFERS_TO_FREE, 0);
20 if (number_to_free > fill_threshold) {
21 cvmx_fau_atomic_add32(FAU_NUM_PACKET_BUFFERS_TO_FREE,
23 num_freed = cvm_oct_mem_fill_fpa(CVMX_FPA_PACKET_POOL,
24 CVMX_FPA_PACKET_POOL_SIZE,
26 if (num_freed != number_to_free) {
27 cvmx_fau_atomic_add32(FAU_NUM_PACKET_BUFFERS_TO_FREE,
28 number_to_free - num_freed);