/* SPDX-License-Identifier: GPL-2.0-only */ /* * This file is part of wl1251 * * Copyright (c) 1998-2007 Texas Instruments Incorporated * Copyright (C) 2008 Nokia Corporation
*/
#ifndef __WL1251_RX_H__ #define __WL1251_RX_H__
#include <linux/bitops.h>
#include"wl1251.h"
/* * RX PATH * * The Rx path uses a double buffer and an rx_contro structure, each located * at a fixed address in the device memory. The host keeps track of which * buffer is available and alternates between them on a per packet basis. * The size of each of the two buffers is large enough to hold the longest * 802.3 packet. * The RX path goes like that: * 1) The target generates an interrupt each time a new packet is received. * There are 2 RX interrupts, one for each buffer. * 2) The host reads the received packet from one of the double buffers. * 3) The host triggers a target interrupt. * 4) The target prepares the next RX packet.
*/
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