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 * You should have received a copy of the GNU General Public License along 16 * with this program; if not, write to the Free Software Foundation, Inc., 17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * 20 * File: mac.c 21 * 22 * Purpose: MAC routines 23 * 24 * Author: Tevin Chen 25 * 26 * Date: May 21, 1996 27 * 28 * Functions: 29 * 30 * Revision History: 31 */ 32 33 #include "desc.h" 34 #include "mac.h" 35 #include "usbpipe.h" 36 37 /* 38 * Description: 39 * Write MAC Multicast Address Mask 40 * 41 * Parameters: 42 * In: 43 * mc_filter (mac filter) 44 * Out: 45 * none 46 * 47 * Return Value: none 48 * 49 */ 50 void vnt_mac_set_filter(struct vnt_private *priv, u64 mc_filter) 51 { 52 __le64 le_mc = cpu_to_le64(mc_filter); 53 54 vnt_control_out(priv, MESSAGE_TYPE_WRITE, MAC_REG_MAR0, 55 MESSAGE_REQUEST_MACREG, sizeof(le_mc), (u8 *)&le_mc); 56 } 57 58 /* 59 * Description: 60 * Shut Down MAC 61 * 62 * Parameters: 63 * In: 64 * Out: 65 * none 66 * 67 * 68 */ 69 void vnt_mac_shutdown(struct vnt_private *priv) 70 { 71 vnt_control_out(priv, MESSAGE_TYPE_MACSHUTDOWN, 0, 0, 0, NULL); 72 } 73 74 void vnt_mac_set_bb_type(struct vnt_private *priv, u8 type) 75 { 76 u8 data[2]; 77 78 data[0] = type; 79 data[1] = EnCFG_BBType_MASK; 80 81 vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK, MAC_REG_ENCFG0, 82 MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data); 83 } 84 85 /* 86 * Description: 87 * Disable the Key Entry by MISCFIFO 88 * 89 * Parameters: 90 * In: 91 * dwIoBase - Base Address for MAC 92 * 93 * Out: 94 * none 95 * 96 * Return Value: none 97 * 98 */ 99 void vnt_mac_disable_keyentry(struct vnt_private *priv, u8 entry_idx) 100 { 101 vnt_control_out(priv, MESSAGE_TYPE_CLRKEYENTRY, 0, 0, 102 sizeof(entry_idx), &entry_idx); 103 } 104 105 /* 106 * Description: 107 * Set the Key by MISCFIFO 108 * 109 * Parameters: 110 * In: 111 * dwIoBase - Base Address for MAC 112 * 113 * Out: 114 * none 115 * 116 * Return Value: none 117 * 118 */ 119 void vnt_mac_set_keyentry(struct vnt_private *priv, u16 key_ctl, u32 entry_idx, 120 u32 key_idx, u8 *addr, u8 *key) 121 { 122 struct vnt_mac_set_key set_key; 123 u16 offset; 124 125 offset = MISCFIFO_KEYETRY0; 126 offset += (entry_idx * MISCFIFO_KEYENTRYSIZE); 127 128 set_key.u.write.key_ctl = cpu_to_le16(key_ctl); 129 memcpy(set_key.u.write.addr, addr, ETH_ALEN); 130 131 /* swap over swap[0] and swap[1] to get correct write order */ 132 swap(set_key.u.swap[0], set_key.u.swap[1]); 133 134 memcpy(set_key.key, key, WLAN_KEY_LEN_CCMP); 135 136 dev_dbg(&priv->usb->dev, "offset %d key ctl %d set key %24ph\n", 137 offset, key_ctl, (u8 *)&set_key); 138 139 vnt_control_out(priv, MESSAGE_TYPE_SETKEY, offset, 140 (u16)key_idx, sizeof(struct vnt_mac_set_key), (u8 *)&set_key); 141 } 142 143 void vnt_mac_reg_bits_off(struct vnt_private *priv, u8 reg_ofs, u8 bits) 144 { 145 u8 data[2]; 146 147 data[0] = 0; 148 data[1] = bits; 149 150 vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK, 151 reg_ofs, MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data); 152 } 153 154 void vnt_mac_reg_bits_on(struct vnt_private *priv, u8 reg_ofs, u8 bits) 155 { 156 u8 data[2]; 157 158 data[0] = bits; 159 data[1] = bits; 160 161 vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK, 162 reg_ofs, MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data); 163 } 164 165 void vnt_mac_write_word(struct vnt_private *priv, u8 reg_ofs, u16 word) 166 { 167 u8 data[2]; 168 169 data[0] = (u8)(word & 0xff); 170 data[1] = (u8)(word >> 8); 171 172 vnt_control_out(priv, MESSAGE_TYPE_WRITE, 173 reg_ofs, MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data); 174 } 175 176 void vnt_mac_set_bssid_addr(struct vnt_private *priv, u8 *addr) 177 { 178 vnt_control_out(priv, MESSAGE_TYPE_WRITE, MAC_REG_BSSID0, 179 MESSAGE_REQUEST_MACREG, ETH_ALEN, addr); 180 } 181 182 void vnt_mac_enable_protect_mode(struct vnt_private *priv) 183 { 184 u8 data[2]; 185 186 data[0] = EnCFG_ProtectMd; 187 data[1] = EnCFG_ProtectMd; 188 189 vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK, 190 MAC_REG_ENCFG0, MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data); 191 } 192 193 void vnt_mac_disable_protect_mode(struct vnt_private *priv) 194 { 195 u8 data[2]; 196 197 data[0] = 0; 198 data[1] = EnCFG_ProtectMd; 199 200 vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK, 201 MAC_REG_ENCFG0, MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data); 202 } 203 204 void vnt_mac_enable_barker_preamble_mode(struct vnt_private *priv) 205 { 206 u8 data[2]; 207 208 data[0] = EnCFG_BarkerPream; 209 data[1] = EnCFG_BarkerPream; 210 211 vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK, 212 MAC_REG_ENCFG2, MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data); 213 } 214 215 void vnt_mac_disable_barker_preamble_mode(struct vnt_private *priv) 216 { 217 u8 data[2]; 218 219 data[0] = 0; 220 data[1] = EnCFG_BarkerPream; 221 222 vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK, 223 MAC_REG_ENCFG2, MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data); 224 } 225 226 void vnt_mac_set_beacon_interval(struct vnt_private *priv, u16 interval) 227 { 228 u8 data[2]; 229 230 data[0] = (u8)(interval & 0xff); 231 data[1] = (u8)(interval >> 8); 232 233 vnt_control_out(priv, MESSAGE_TYPE_WRITE, 234 MAC_REG_BI, MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data); 235 } 236 237 void vnt_mac_set_led(struct vnt_private *priv, u8 state, u8 led) 238 { 239 u8 data[2]; 240 241 data[0] = led; 242 data[1] = state; 243 244 vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK, MAC_REG_PAPEDELAY, 245 MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data); 246 } 247