1 /* 2 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc. 3 * All rights reserved. 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation; either version 2 of the License, or 8 * (at your option) any later version. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * 16 * File: mac.c 17 * 18 * Purpose: MAC routines 19 * 20 * Author: Tevin Chen 21 * 22 * Date: May 21, 1996 23 * 24 * Functions: 25 * 26 * Revision History: 27 */ 28 29 #include <linux/etherdevice.h> 30 31 #include "desc.h" 32 #include "mac.h" 33 #include "usbpipe.h" 34 35 /* 36 * Description: 37 * Write MAC Multicast Address Mask 38 * 39 * Parameters: 40 * In: 41 * mc_filter (mac filter) 42 * Out: 43 * none 44 * 45 * Return Value: none 46 * 47 */ 48 void vnt_mac_set_filter(struct vnt_private *priv, u64 mc_filter) 49 { 50 __le64 le_mc = cpu_to_le64(mc_filter); 51 52 vnt_control_out(priv, MESSAGE_TYPE_WRITE, MAC_REG_MAR0, 53 MESSAGE_REQUEST_MACREG, sizeof(le_mc), (u8 *)&le_mc); 54 } 55 56 /* 57 * Description: 58 * Shut Down MAC 59 * 60 * Parameters: 61 * In: 62 * Out: 63 * none 64 * 65 * 66 */ 67 void vnt_mac_shutdown(struct vnt_private *priv) 68 { 69 vnt_control_out(priv, MESSAGE_TYPE_MACSHUTDOWN, 0, 0, 0, NULL); 70 } 71 72 void vnt_mac_set_bb_type(struct vnt_private *priv, u8 type) 73 { 74 u8 data[2]; 75 76 data[0] = type; 77 data[1] = EnCFG_BBType_MASK; 78 79 vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK, MAC_REG_ENCFG0, 80 MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data); 81 } 82 83 /* 84 * Description: 85 * Disable the Key Entry by MISCFIFO 86 * 87 * Parameters: 88 * In: 89 * dwIoBase - Base Address for MAC 90 * 91 * Out: 92 * none 93 * 94 * Return Value: none 95 * 96 */ 97 void vnt_mac_disable_keyentry(struct vnt_private *priv, u8 entry_idx) 98 { 99 vnt_control_out(priv, MESSAGE_TYPE_CLRKEYENTRY, 0, 0, 100 sizeof(entry_idx), &entry_idx); 101 } 102 103 /* 104 * Description: 105 * Set the Key by MISCFIFO 106 * 107 * Parameters: 108 * In: 109 * dwIoBase - Base Address for MAC 110 * 111 * Out: 112 * none 113 * 114 * Return Value: none 115 * 116 */ 117 void vnt_mac_set_keyentry(struct vnt_private *priv, u16 key_ctl, u32 entry_idx, 118 u32 key_idx, u8 *addr, u8 *key) 119 { 120 struct vnt_mac_set_key set_key; 121 u16 offset; 122 123 offset = MISCFIFO_KEYETRY0; 124 offset += (entry_idx * MISCFIFO_KEYENTRYSIZE); 125 126 set_key.u.write.key_ctl = cpu_to_le16(key_ctl); 127 ether_addr_copy(set_key.u.write.addr, addr); 128 129 /* swap over swap[0] and swap[1] to get correct write order */ 130 swap(set_key.u.swap[0], set_key.u.swap[1]); 131 132 memcpy(set_key.key, key, WLAN_KEY_LEN_CCMP); 133 134 dev_dbg(&priv->usb->dev, "offset %d key ctl %d set key %24ph\n", 135 offset, key_ctl, (u8 *)&set_key); 136 137 vnt_control_out(priv, MESSAGE_TYPE_SETKEY, offset, 138 (u16)key_idx, sizeof(struct vnt_mac_set_key), (u8 *)&set_key); 139 } 140 141 void vnt_mac_reg_bits_off(struct vnt_private *priv, u8 reg_ofs, u8 bits) 142 { 143 u8 data[2]; 144 145 data[0] = 0; 146 data[1] = bits; 147 148 vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK, 149 reg_ofs, MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data); 150 } 151 152 void vnt_mac_reg_bits_on(struct vnt_private *priv, u8 reg_ofs, u8 bits) 153 { 154 u8 data[2]; 155 156 data[0] = bits; 157 data[1] = bits; 158 159 vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK, 160 reg_ofs, MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data); 161 } 162 163 void vnt_mac_write_word(struct vnt_private *priv, u8 reg_ofs, u16 word) 164 { 165 u8 data[2]; 166 167 data[0] = (u8)(word & 0xff); 168 data[1] = (u8)(word >> 8); 169 170 vnt_control_out(priv, MESSAGE_TYPE_WRITE, 171 reg_ofs, MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data); 172 } 173 174 void vnt_mac_set_bssid_addr(struct vnt_private *priv, u8 *addr) 175 { 176 vnt_control_out(priv, MESSAGE_TYPE_WRITE, MAC_REG_BSSID0, 177 MESSAGE_REQUEST_MACREG, ETH_ALEN, addr); 178 } 179 180 void vnt_mac_enable_protect_mode(struct vnt_private *priv) 181 { 182 u8 data[2]; 183 184 data[0] = EnCFG_ProtectMd; 185 data[1] = EnCFG_ProtectMd; 186 187 vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK, 188 MAC_REG_ENCFG0, MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data); 189 } 190 191 void vnt_mac_disable_protect_mode(struct vnt_private *priv) 192 { 193 u8 data[2]; 194 195 data[0] = 0; 196 data[1] = EnCFG_ProtectMd; 197 198 vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK, 199 MAC_REG_ENCFG0, MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data); 200 } 201 202 void vnt_mac_enable_barker_preamble_mode(struct vnt_private *priv) 203 { 204 u8 data[2]; 205 206 data[0] = EnCFG_BarkerPream; 207 data[1] = EnCFG_BarkerPream; 208 209 vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK, 210 MAC_REG_ENCFG2, MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data); 211 } 212 213 void vnt_mac_disable_barker_preamble_mode(struct vnt_private *priv) 214 { 215 u8 data[2]; 216 217 data[0] = 0; 218 data[1] = EnCFG_BarkerPream; 219 220 vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK, 221 MAC_REG_ENCFG2, MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data); 222 } 223 224 void vnt_mac_set_beacon_interval(struct vnt_private *priv, u16 interval) 225 { 226 u8 data[2]; 227 228 data[0] = (u8)(interval & 0xff); 229 data[1] = (u8)(interval >> 8); 230 231 vnt_control_out(priv, MESSAGE_TYPE_WRITE, 232 MAC_REG_BI, MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data); 233 } 234 235 void vnt_mac_set_led(struct vnt_private *priv, u8 state, u8 led) 236 { 237 u8 data[2]; 238 239 data[0] = led; 240 data[1] = state; 241 242 vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK, MAC_REG_PAPEDELAY, 243 MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data); 244 } 245