/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* This file is based on code from OCTEON SDK by Cavium Networks.
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*
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* Copyright (c) 2003-2007 Cavium Networks
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*/
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void cvm_oct_poll_controller(struct net_device *dev);
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void cvm_oct_rx_initialize(void);
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void cvm_oct_rx_shutdown(void);
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static inline void cvm_oct_rx_refill_pool(int fill_threshold)
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{
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int number_to_free;
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int num_freed;
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/* Refill the packet buffer pool */
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number_to_free =
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cvmx_fau_fetch_and_add32(FAU_NUM_PACKET_BUFFERS_TO_FREE, 0);
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if (number_to_free > fill_threshold) {
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cvmx_fau_atomic_add32(FAU_NUM_PACKET_BUFFERS_TO_FREE,
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-number_to_free);
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num_freed = cvm_oct_mem_fill_fpa(CVMX_FPA_PACKET_POOL,
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CVMX_FPA_PACKET_POOL_SIZE,
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number_to_free);
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if (num_freed != number_to_free) {
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cvmx_fau_atomic_add32(FAU_NUM_PACKET_BUFFERS_TO_FREE,
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number_to_free - num_freed);
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}
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}
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}
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