linux/drivers/staging/vt6656/rxtx.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
 * All rights reserved.
 *
 * Purpose: handle WMAC/802.3/802.11 rx & tx functions
 *
 * Author: Lyndon Chen
 *
 * Date: May 20, 2003
 *
 * Functions:
 *      vnt_generate_tx_parameter - Generate tx dma required parameter.
 *      vnt_get_rsvtime- get frame reserved time
 *      vnt_fill_cts_head- fulfill CTS ctl header
 *
 * Revision History:
 *
 */

#include <linux/etherdevice.h>
#include "device.h"
#include "rxtx.h"
#include "card.h"
#include "mac.h"
#include "rf.h"
#include "usbpipe.h"

static const u16 vnt_time_stampoff[2][MAX_RATE] = …;

#define DATADUR_B …
#define DATADUR_A …

static const u8 vnt_phy_signal[] = …;

static struct vnt_usb_send_context
	*vnt_get_free_context(struct vnt_private *priv)
{ … }

/* Get Length, Service, and Signal fields of Phy for Tx */
static void vnt_get_phy_field(struct vnt_private *priv, u32 frame_length,
			      u16 tx_rate, u8 pkt_type,
			      struct vnt_phy_field *phy)
{ … }

static __le16 vnt_time_stamp_off(struct vnt_private *priv, u16 rate)
{ … }

static __le16 vnt_rxtx_rsvtime_le16(struct vnt_usb_send_context *context)
{ … }

static __le16 vnt_get_rts_duration(struct vnt_usb_send_context *context)
{ … }

static __le16 vnt_get_cts_duration(struct vnt_usb_send_context *context)
{ … }

static void vnt_rxtx_datahead_g(struct vnt_usb_send_context *tx_context,
				struct vnt_tx_datahead_g *buf)
{ … }

static void vnt_rxtx_datahead_ab(struct vnt_usb_send_context *tx_context,
				 struct vnt_tx_datahead_ab *buf)
{ … }

static void vnt_fill_ieee80211_rts(struct vnt_usb_send_context *tx_context,
				   struct ieee80211_rts *rts, __le16 duration)
{ … }

static void vnt_rxtx_rts_g_head(struct vnt_usb_send_context *tx_context,
				struct vnt_rts_g *buf)
{ … }

static void vnt_rxtx_rts_ab_head(struct vnt_usb_send_context *tx_context,
				 struct vnt_rts_ab *buf)
{ … }

static void vnt_fill_cts_head(struct vnt_usb_send_context *tx_context,
			      union vnt_tx_data_head *head)
{ … }

/* returns true if mic_hdr is needed */
static bool vnt_fill_txkey(struct vnt_tx_buffer *tx_buffer, struct sk_buff *skb)
{ … }

static void vnt_rxtx_rts(struct vnt_usb_send_context *tx_context)
{ … }

static void vnt_rxtx_cts(struct vnt_usb_send_context *tx_context)
{ … }

static void vnt_rxtx_ab(struct vnt_usb_send_context *tx_context)
{ … }

static void vnt_generate_tx_parameter(struct vnt_usb_send_context *tx_context)
{ … }

static u16 vnt_get_hdr_size(struct ieee80211_tx_info *info)
{ … }

int vnt_tx_packet(struct vnt_private *priv, struct sk_buff *skb)
{ … }

static int vnt_beacon_xmit(struct vnt_private *priv, struct sk_buff *skb)
{ … }

int vnt_beacon_make(struct vnt_private *priv, struct ieee80211_vif *vif)
{ … }

int vnt_beacon_enable(struct vnt_private *priv, struct ieee80211_vif *vif,
		      struct ieee80211_bss_conf *conf)
{ … }