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 } 184