LXR linux/drivers/staging/vt6656/mac.c

   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
   4 * All rights reserved.
   5 *
   6 * Purpose:  MAC routines
   7 *
   8 * Author: Tevin Chen
   9 *
  10 * Date: May 21, 1996
  11 *
  12 * Functions:
  13 *
  14 * Revision History:
  15 */
  16
  17#include <linux/etherdevice.h>
  18
  19#include "desc.h"
  20#include "mac.h"
  21#include "usbpipe.h"
  22
  23int vnt_mac_set_filter(struct vnt_private *priv, u64 mc_filter)
  24{
  25        __le64 le_mc = cpu_to_le64(mc_filter);
  26
  27        return vnt_control_out(priv, MESSAGE_TYPE_WRITE, MAC_REG_MAR0,
  28                               MESSAGE_REQUEST_MACREG, sizeof(le_mc),
  29                               (u8 *)&le_mc);
  30}
  31
  32int vnt_mac_shutdown(struct vnt_private *priv)
  33{
  34        return vnt_control_out(priv, MESSAGE_TYPE_MACSHUTDOWN, 0, 0, 0, NULL);
  35}
  36
  37int vnt_mac_set_bb_type(struct vnt_private *priv, u8 type)
  38{
  39        u8 data[2];
  40
  41        data[0] = type;
  42        data[1] = EnCFG_BBType_MASK;
  43
  44        return vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK, MAC_REG_ENCFG0,
  45                               MESSAGE_REQUEST_MACREG,  ARRAY_SIZE(data),
  46                               data);
  47}
  48
  49int vnt_mac_disable_keyentry(struct vnt_private *priv, u8 entry_idx)
  50{
  51        return vnt_control_out(priv, MESSAGE_TYPE_CLRKEYENTRY, 0, 0,
  52                               sizeof(entry_idx), &entry_idx);
  53}
  54
  55int vnt_mac_set_keyentry(struct vnt_private *priv, u16 key_ctl, u32 entry_idx,
  56                         u32 key_idx, u8 *addr, u8 *key)
  57{
  58        struct vnt_mac_set_key set_key;
  59        u16 offset;
  60
  61        offset = MISCFIFO_KEYETRY0;
  62        offset += entry_idx * MISCFIFO_KEYENTRYSIZE;
  63
  64        set_key.u.write.key_ctl = cpu_to_le16(key_ctl);
  65        ether_addr_copy(set_key.u.write.addr, addr);
  66
  67        /* swap over swap[0] and swap[1] to get correct write order */
  68        swap(set_key.u.swap[0], set_key.u.swap[1]);
  69
  70        memcpy(set_key.key, key, WLAN_KEY_LEN_CCMP);
  71
  72        dev_dbg(&priv->usb->dev, "offset %d key ctl %d set key %24ph\n",
  73                offset, key_ctl, (u8 *)&set_key);
  74
  75        return vnt_control_out(priv, MESSAGE_TYPE_SETKEY, offset,
  76                               (u16)key_idx, sizeof(struct vnt_mac_set_key),
  77                               (u8 *)&set_key);
  78}
  79
  80int vnt_mac_reg_bits_off(struct vnt_private *priv, u8 reg_ofs, u8 bits)
  81{
  82        u8 data[2];
  83
  84        data[0] = 0;
  85        data[1] = bits;
  86
  87        return vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK, reg_ofs,
  88                               MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data);
  89}
  90
  91int vnt_mac_reg_bits_on(struct vnt_private *priv, u8 reg_ofs, u8 bits)
  92{
  93        u8 data[2];
  94
  95        data[0] = bits;
  96        data[1] = bits;
  97
  98        return vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK, reg_ofs,
  99                               MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data);
 100}
 101
 102int vnt_mac_write_word(struct vnt_private *priv, u8 reg_ofs, u16 word)
 103{
 104        u8 data[2];
 105
 106        data[0] = (u8)(word & 0xff);
 107        data[1] = (u8)(word >> 8);
 108
 109        return vnt_control_out(priv, MESSAGE_TYPE_WRITE, reg_ofs,
 110                               MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data);
 111}
 112
 113int vnt_mac_set_bssid_addr(struct vnt_private *priv, u8 *addr)
 114{
 115        return vnt_control_out(priv, MESSAGE_TYPE_WRITE, MAC_REG_BSSID0,
 116                               MESSAGE_REQUEST_MACREG, ETH_ALEN, addr);
 117}
 118
 119int vnt_mac_enable_protect_mode(struct vnt_private *priv)
 120{
 121        u8 data[2];
 122
 123        data[0] = EnCFG_ProtectMd;
 124        data[1] = EnCFG_ProtectMd;
 125
 126        return vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK, MAC_REG_ENCFG0,
 127                               MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data);
 128}
 129
 130int vnt_mac_disable_protect_mode(struct vnt_private *priv)
 131{
 132        u8 data[2];
 133
 134        data[0] = 0;
 135        data[1] = EnCFG_ProtectMd;
 136
 137        return vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK, MAC_REG_ENCFG0,
 138                               MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data);
 139}
 140
 141int vnt_mac_enable_barker_preamble_mode(struct vnt_private *priv)
 142{
 143        u8 data[2];
 144
 145        data[0] = EnCFG_BarkerPream;
 146        data[1] = EnCFG_BarkerPream;
 147
 148        return vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK, MAC_REG_ENCFG2,
 149                               MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data);
 150}
 151
 152int vnt_mac_disable_barker_preamble_mode(struct vnt_private *priv)
 153{
 154        u8 data[2];
 155
 156        data[0] = 0;
 157        data[1] = EnCFG_BarkerPream;
 158
 159        return vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK, MAC_REG_ENCFG2,
 160                               MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data);
 161}
 162
 163int vnt_mac_set_beacon_interval(struct vnt_private *priv, u16 interval)
 164{
 165        u8 data[2];
 166
 167        data[0] = (u8)(interval & 0xff);
 168        data[1] = (u8)(interval >> 8);
 169
 170        return vnt_control_out(priv, MESSAGE_TYPE_WRITE, MAC_REG_BI,
 171                               MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data);
 172}
 173
 174int vnt_mac_set_led(struct vnt_private *priv, u8 state, u8 led)
 175{
 176        u8 data[2];
 177
 178        data[0] = led;
 179        data[1] = state;
 180
 181        return vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK, MAC_REG_PAPEDELAY,
 182                               MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data);
 183}
 184