/* SPDX-License-Identifier: GPL-2.0 */ /* * This file is based on code from OCTEON SDK by Cavium Networks. * * Copyright (c) 2003-2007 Cavium Networks */ struct platform_device; void cvm_oct_poll_controller(struct net_device *dev); void cvm_oct_rx_initialize(struct platform_device *pdev); void cvm_oct_rx_shutdown(struct platform_device *pdev); static inline void cvm_oct_rx_refill_pool(struct platform_device *pdev, 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(pdev, 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); } } }