linux/drivers/net/wireless/marvell/libertas/rx.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * This file contains the handling of RX in wlan driver.
 */

#define pr_fmt(fmt) …

#include <linux/etherdevice.h>
#include <linux/hardirq.h>
#include <linux/slab.h>
#include <linux/types.h>
#include <linux/export.h>
#include <net/cfg80211.h>

#include "defs.h"
#include "host.h"
#include "radiotap.h"
#include "decl.h"
#include "dev.h"
#include "mesh.h"

struct eth803hdr { … } __packed;

struct rfc1042hdr { … } __packed;

struct rxpackethdr { … } __packed;

struct rx80211packethdr { … } __packed;

static int process_rxed_802_11_packet(struct lbs_private *priv,
	struct sk_buff *skb);

/**
 * lbs_process_rxed_packet - processes received packet and forwards it
 * to kernel/upper layer
 *
 * @priv:	A pointer to &struct lbs_private
 * @skb:	A pointer to skb which includes the received packet
 * returns:	0 or -1
 */
int lbs_process_rxed_packet(struct lbs_private *priv, struct sk_buff *skb)
{ … }
EXPORT_SYMBOL_GPL(…);

/**
 * convert_mv_rate_to_radiotap - converts Tx/Rx rates from Marvell WLAN format
 * (see Table 2 in Section 3.1) to IEEE80211_RADIOTAP_RATE units (500 Kb/s)
 *
 * @rate:	Input rate
 * returns:	Output Rate (0 if invalid)
 */
static u8 convert_mv_rate_to_radiotap(u8 rate)
{ … }

/**
 * process_rxed_802_11_packet - processes a received 802.11 packet and forwards
 * it to kernel/upper layer
 *
 * @priv:	A pointer to &struct lbs_private
 * @skb:	A pointer to skb which includes the received packet
 * returns:	0 or -1
 */
static int process_rxed_802_11_packet(struct lbs_private *priv,
	struct sk_buff *skb)
{ … }