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1/* SPDX-License-Identifier: GPL-2.0 */2/*3 * This file is based on code from OCTEON SDK by Cavium Networks.4 *5 * Copyright (c) 2003-2007 Cavium Networks6 */7 8void cvm_oct_poll_controller(struct net_device *dev);9void cvm_oct_rx_initialize(void);10void cvm_oct_rx_shutdown(void);11 12static inline void cvm_oct_rx_refill_pool(int fill_threshold)13{14 int number_to_free;15 int num_freed;16 /* Refill the packet buffer pool */17 number_to_free =18 cvmx_fau_fetch_and_add32(FAU_NUM_PACKET_BUFFERS_TO_FREE, 0);19 20 if (number_to_free > fill_threshold) {21 cvmx_fau_atomic_add32(FAU_NUM_PACKET_BUFFERS_TO_FREE,22 -number_to_free);23 num_freed = cvm_oct_mem_fill_fpa(CVMX_FPA_PACKET_POOL,24 CVMX_FPA_PACKET_POOL_SIZE,25 number_to_free);26 if (num_freed != number_to_free) {27 cvmx_fau_atomic_add32(FAU_NUM_PACKET_BUFFERS_TO_FREE,28 number_to_free - num_freed);29 }30 }31}32