linux/drivers/net/wireless/ath/ath9k/rng.c

/*
 * Copyright (c) 2015 Qualcomm Atheros, Inc.
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <linux/hw_random.h>
#include <linux/kthread.h>

#include "ath9k.h"
#include "hw.h"
#include "ar9003_phy.h"

static int ath9k_rng_data_read(struct ath_softc *sc, u32 *buf, u32 buf_size)
{ … }

static u32 ath9k_rng_delay_get(u32 fail_stats)
{ … }

static int ath9k_rng_read(struct hwrng *rng, void *buf, size_t max, bool wait)
{ … }

void ath9k_rng_start(struct ath_softc *sc)
{ … }

void ath9k_rng_stop(struct ath_softc *sc)
{ … }