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
  23 int 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
  32 int vnt_mac_shutdown(struct vnt_private *priv)
  33 {
  34         return vnt_control_out(priv, MESSAGE_TYPE_MACSHUTDOWN, 0, 0, 0, NULL);
  35 }
  36
  37 int vnt_mac_set_bb_type(struct vnt_private *priv, u8 type)
  38 {
  39         u8 data[2];
  40
  41         data[0] = type;
  42         data[1] = EN_CFG_BB_TYPE_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
  49 int 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
  55 int 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
  80 int 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
  91 int 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
 102 int 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
 113 int 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
 119 int vnt_mac_enable_protect_mode(struct vnt_private *priv)
 120 {
 121         u8 data[2];
 122
 123         data[0] = EN_CFG_PROTECT_MD;
 124         data[1] = EN_CFG_PROTECT_MD;
 125
 126         return vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK, MAC_REG_ENCFG0,
 127                                MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data);
 128 }
 129
 130 int vnt_mac_disable_protect_mode(struct vnt_private *priv)
 131 {
 132         u8 data[2];
 133
 134         data[0] = 0;
 135         data[1] = EN_CFG_PROTECT_MD;
 136
 137         return vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK, MAC_REG_ENCFG0,
 138                                MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data);
 139 }
 140
 141 int vnt_mac_enable_barker_preamble_mode(struct vnt_private *priv)
 142 {
 143         u8 data[2];
 144
 145         data[0] = EN_CFG_BARKER_PREAM;
 146         data[1] = EN_CFG_BARKER_PREAM;
 147
 148         return vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK, MAC_REG_ENCFG2,
 149                                MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data);
 150 }
 151
 152 int vnt_mac_disable_barker_preamble_mode(struct vnt_private *priv)
 153 {
 154         u8 data[2];
 155
 156         data[0] = 0;
 157         data[1] = EN_CFG_BARKER_PREAM;
 158
 159         return vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK, MAC_REG_ENCFG2,
 160                                MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data);
 161 }
 162
 163 int 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
 174 int 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 }