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Greg Kroah-Hartman6b4c6ce2017-11-07 21:07:52 +01001// SPDX-License-Identifier: GPL-2.0+
Forest Bond92b96792009-06-13 07:38:31 -04002/*
3 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
4 * All rights reserved.
5 *
Forest Bond92b96792009-06-13 07:38:31 -04006 * File: mac.c
7 *
8 * Purpose: MAC routines
9 *
10 * Author: Tevin Chen
11 *
12 * Date: May 21, 1996
13 *
14 * Functions:
15 *
16 * Revision History:
17 */
18
Aya Mahfouzc5f9e992015-02-27 03:06:53 +020019#include <linux/etherdevice.h>
20
Forest Bond92b96792009-06-13 07:38:31 -040021#include "desc.h"
Forest Bond92b96792009-06-13 07:38:31 -040022#include "mac.h"
Malcolm Priestley62c85262014-05-26 13:59:07 +010023#include "usbpipe.h"
Jim Lieb9d26d602009-08-12 14:54:08 -070024
Forest Bond92b96792009-06-13 07:38:31 -040025/*
26 * Description:
27 * Write MAC Multicast Address Mask
28 *
29 * Parameters:
30 * In:
Malcolm Priestley0ca3e282014-02-12 19:18:26 +000031 * mc_filter (mac filter)
Forest Bond92b96792009-06-13 07:38:31 -040032 * Out:
33 * none
34 *
35 * Return Value: none
36 *
37 */
Malcolm Priestleyd1007912014-05-31 11:50:36 +010038void vnt_mac_set_filter(struct vnt_private *priv, u64 mc_filter)
Forest Bond92b96792009-06-13 07:38:31 -040039{
Malcolm Priestley0ca3e282014-02-12 19:18:26 +000040 __le64 le_mc = cpu_to_le64(mc_filter);
Forest Bond92b96792009-06-13 07:38:31 -040041
Malcolm Priestley1390b022014-05-26 13:59:01 +010042 vnt_control_out(priv, MESSAGE_TYPE_WRITE, MAC_REG_MAR0,
Scott Matheina0ef48912017-01-09 22:42:51 -060043 MESSAGE_REQUEST_MACREG, sizeof(le_mc), (u8 *)&le_mc);
Forest Bond92b96792009-06-13 07:38:31 -040044}
45
Forest Bond92b96792009-06-13 07:38:31 -040046/*
47 * Description:
48 * Shut Down MAC
49 *
50 * Parameters:
51 * In:
52 * Out:
53 * none
54 *
Forest Bond92b96792009-06-13 07:38:31 -040055 *
56 */
Malcolm Priestleyaa6907d2014-05-31 11:50:37 +010057void vnt_mac_shutdown(struct vnt_private *priv)
Forest Bond92b96792009-06-13 07:38:31 -040058{
Malcolm Priestley1390b022014-05-26 13:59:01 +010059 vnt_control_out(priv, MESSAGE_TYPE_MACSHUTDOWN, 0, 0, 0, NULL);
Forest Bond92b96792009-06-13 07:38:31 -040060}
61
Malcolm Priestley05089fb2014-05-31 11:50:38 +010062void vnt_mac_set_bb_type(struct vnt_private *priv, u8 type)
Forest Bond92b96792009-06-13 07:38:31 -040063{
Malcolm Priestleybee7b682014-05-23 18:00:02 +010064 u8 data[2];
Forest Bond92b96792009-06-13 07:38:31 -040065
Malcolm Priestleybee7b682014-05-23 18:00:02 +010066 data[0] = type;
67 data[1] = EnCFG_BBType_MASK;
Forest Bond92b96792009-06-13 07:38:31 -040068
Malcolm Priestley1390b022014-05-26 13:59:01 +010069 vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK, MAC_REG_ENCFG0,
Scott Matheina0ef48912017-01-09 22:42:51 -060070 MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data);
Forest Bond92b96792009-06-13 07:38:31 -040071}
72
Forest Bond92b96792009-06-13 07:38:31 -040073/*
74 * Description:
75 * Disable the Key Entry by MISCFIFO
76 *
77 * Parameters:
78 * In:
79 * dwIoBase - Base Address for MAC
80 *
81 * Out:
82 * none
83 *
84 * Return Value: none
85 *
86 */
Malcolm Priestleycd731942014-05-31 11:50:39 +010087void vnt_mac_disable_keyentry(struct vnt_private *priv, u8 entry_idx)
Forest Bond92b96792009-06-13 07:38:31 -040088{
Malcolm Priestley1390b022014-05-26 13:59:01 +010089 vnt_control_out(priv, MESSAGE_TYPE_CLRKEYENTRY, 0, 0,
Scott Matheina0ef48912017-01-09 22:42:51 -060090 sizeof(entry_idx), &entry_idx);
Forest Bond92b96792009-06-13 07:38:31 -040091}
92
Forest Bond92b96792009-06-13 07:38:31 -040093/*
94 * Description:
95 * Set the Key by MISCFIFO
96 *
97 * Parameters:
98 * In:
99 * dwIoBase - Base Address for MAC
100 *
101 * Out:
102 * none
103 *
104 * Return Value: none
105 *
106 */
Malcolm Priestleya7a93e32014-05-31 11:50:40 +0100107void vnt_mac_set_keyentry(struct vnt_private *priv, u16 key_ctl, u32 entry_idx,
Scott Matheina0ef48912017-01-09 22:42:51 -0600108 u32 key_idx, u8 *addr, u8 *key)
Forest Bond92b96792009-06-13 07:38:31 -0400109{
Malcolm Priestley83bf96f2014-05-25 21:36:29 +0100110 struct vnt_mac_set_key set_key;
Malcolm Priestley39dd5262014-05-26 13:58:59 +0100111 u16 offset;
Forest Bond92b96792009-06-13 07:38:31 -0400112
Malcolm Priestley39dd5262014-05-26 13:58:59 +0100113 offset = MISCFIFO_KEYETRY0;
Elise Lennion596f1442016-10-17 22:01:26 -0200114 offset += entry_idx * MISCFIFO_KEYENTRYSIZE;
Forest Bond92b96792009-06-13 07:38:31 -0400115
Malcolm Priestley39dd5262014-05-26 13:58:59 +0100116 set_key.u.write.key_ctl = cpu_to_le16(key_ctl);
Aya Mahfouzc5f9e992015-02-27 03:06:53 +0200117 ether_addr_copy(set_key.u.write.addr, addr);
Forest Bond92b96792009-06-13 07:38:31 -0400118
Malcolm Priestley83bf96f2014-05-25 21:36:29 +0100119 /* swap over swap[0] and swap[1] to get correct write order */
120 swap(set_key.u.swap[0], set_key.u.swap[1]);
Forest Bond92b96792009-06-13 07:38:31 -0400121
Malcolm Priestley954e8142014-05-26 13:58:58 +0100122 memcpy(set_key.key, key, WLAN_KEY_LEN_CCMP);
Forest Bond92b96792009-06-13 07:38:31 -0400123
Malcolm Priestley88a89262014-05-26 13:59:00 +0100124 dev_dbg(&priv->usb->dev, "offset %d key ctl %d set key %24ph\n",
Scott Matheina0ef48912017-01-09 22:42:51 -0600125 offset, key_ctl, (u8 *)&set_key);
Forest Bond92b96792009-06-13 07:38:31 -0400126
Malcolm Priestley1390b022014-05-26 13:59:01 +0100127 vnt_control_out(priv, MESSAGE_TYPE_SETKEY, offset,
Scott Matheina0ef48912017-01-09 22:42:51 -0600128 (u16)key_idx, sizeof(struct vnt_mac_set_key),
129 (u8 *)&set_key);
Forest Bond92b96792009-06-13 07:38:31 -0400130}
131
Malcolm Priestleya9bed1d2014-05-31 11:50:41 +0100132void vnt_mac_reg_bits_off(struct vnt_private *priv, u8 reg_ofs, u8 bits)
Forest Bond92b96792009-06-13 07:38:31 -0400133{
Malcolm Priestleyf22f7692014-05-23 18:00:05 +0100134 u8 data[2];
Forest Bond92b96792009-06-13 07:38:31 -0400135
Malcolm Priestleyf22f7692014-05-23 18:00:05 +0100136 data[0] = 0;
137 data[1] = bits;
Forest Bond92b96792009-06-13 07:38:31 -0400138
Malcolm Priestley1390b022014-05-26 13:59:01 +0100139 vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK,
Scott Matheina0ef48912017-01-09 22:42:51 -0600140 reg_ofs, MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data),
141 data);
Forest Bond92b96792009-06-13 07:38:31 -0400142}
143
Malcolm Priestley36957532014-05-31 11:50:42 +0100144void vnt_mac_reg_bits_on(struct vnt_private *priv, u8 reg_ofs, u8 bits)
Forest Bond92b96792009-06-13 07:38:31 -0400145{
Malcolm Priestley8fda36c2014-05-23 18:00:06 +0100146 u8 data[2];
Forest Bond92b96792009-06-13 07:38:31 -0400147
Malcolm Priestley8fda36c2014-05-23 18:00:06 +0100148 data[0] = bits;
149 data[1] = bits;
Forest Bond92b96792009-06-13 07:38:31 -0400150
Scott Matheina0ef48912017-01-09 22:42:51 -0600151 vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK, reg_ofs,
152 MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data);
Forest Bond92b96792009-06-13 07:38:31 -0400153}
154
Malcolm Priestley57dc49a2014-05-31 11:50:43 +0100155void vnt_mac_write_word(struct vnt_private *priv, u8 reg_ofs, u16 word)
Forest Bond92b96792009-06-13 07:38:31 -0400156{
Malcolm Priestleye1cc91f2014-05-23 18:00:07 +0100157 u8 data[2];
Forest Bond92b96792009-06-13 07:38:31 -0400158
Malcolm Priestleye1cc91f2014-05-23 18:00:07 +0100159 data[0] = (u8)(word & 0xff);
160 data[1] = (u8)(word >> 8);
Forest Bond92b96792009-06-13 07:38:31 -0400161
Scott Matheinacf253262017-01-10 22:34:17 -0600162 vnt_control_out(priv, MESSAGE_TYPE_WRITE, reg_ofs,
163 MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data);
Forest Bond92b96792009-06-13 07:38:31 -0400164}
165
Malcolm Priestley1cd34ea2014-05-31 11:50:44 +0100166void vnt_mac_set_bssid_addr(struct vnt_private *priv, u8 *addr)
Forest Bond92b96792009-06-13 07:38:31 -0400167{
Malcolm Priestley1390b022014-05-26 13:59:01 +0100168 vnt_control_out(priv, MESSAGE_TYPE_WRITE, MAC_REG_BSSID0,
Scott Matheina0ef48912017-01-09 22:42:51 -0600169 MESSAGE_REQUEST_MACREG, ETH_ALEN, addr);
Forest Bond92b96792009-06-13 07:38:31 -0400170}
171
Malcolm Priestleyccbf4412014-05-31 11:50:45 +0100172void vnt_mac_enable_protect_mode(struct vnt_private *priv)
Forest Bond92b96792009-06-13 07:38:31 -0400173{
Malcolm Priestleya7ecb9d2014-05-23 18:00:10 +0100174 u8 data[2];
Forest Bond92b96792009-06-13 07:38:31 -0400175
Malcolm Priestleya7ecb9d2014-05-23 18:00:10 +0100176 data[0] = EnCFG_ProtectMd;
177 data[1] = EnCFG_ProtectMd;
Forest Bond92b96792009-06-13 07:38:31 -0400178
Scott Matheina0ef48912017-01-09 22:42:51 -0600179 vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK, MAC_REG_ENCFG0,
180 MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data);
Forest Bond92b96792009-06-13 07:38:31 -0400181}
182
Malcolm Priestley83a0ee42014-05-31 11:50:46 +0100183void vnt_mac_disable_protect_mode(struct vnt_private *priv)
Forest Bond92b96792009-06-13 07:38:31 -0400184{
Malcolm Priestley04cc8ef2014-05-23 18:00:11 +0100185 u8 data[2];
Forest Bond92b96792009-06-13 07:38:31 -0400186
Malcolm Priestley04cc8ef2014-05-23 18:00:11 +0100187 data[0] = 0;
188 data[1] = EnCFG_ProtectMd;
Forest Bond92b96792009-06-13 07:38:31 -0400189
Scott Matheina0ef48912017-01-09 22:42:51 -0600190 vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK, MAC_REG_ENCFG0,
191 MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data);
Forest Bond92b96792009-06-13 07:38:31 -0400192}
193
Malcolm Priestleya085edc2014-05-31 11:50:47 +0100194void vnt_mac_enable_barker_preamble_mode(struct vnt_private *priv)
Forest Bond92b96792009-06-13 07:38:31 -0400195{
Malcolm Priestley23cde772014-05-23 18:00:12 +0100196 u8 data[2];
Forest Bond92b96792009-06-13 07:38:31 -0400197
Malcolm Priestley23cde772014-05-23 18:00:12 +0100198 data[0] = EnCFG_BarkerPream;
199 data[1] = EnCFG_BarkerPream;
Forest Bond92b96792009-06-13 07:38:31 -0400200
Scott Matheina0ef48912017-01-09 22:42:51 -0600201 vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK, MAC_REG_ENCFG2,
202 MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data);
Forest Bond92b96792009-06-13 07:38:31 -0400203}
204
Malcolm Priestley05827c92014-05-31 11:50:48 +0100205void vnt_mac_disable_barker_preamble_mode(struct vnt_private *priv)
Forest Bond92b96792009-06-13 07:38:31 -0400206{
Malcolm Priestley67933f42014-05-23 18:00:13 +0100207 u8 data[2];
Forest Bond92b96792009-06-13 07:38:31 -0400208
Malcolm Priestley67933f42014-05-23 18:00:13 +0100209 data[0] = 0;
210 data[1] = EnCFG_BarkerPream;
Forest Bond92b96792009-06-13 07:38:31 -0400211
Scott Matheina0ef48912017-01-09 22:42:51 -0600212 vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK, MAC_REG_ENCFG2,
213 MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data);
Forest Bond92b96792009-06-13 07:38:31 -0400214}
215
Malcolm Priestley4cada362014-05-31 11:50:49 +0100216void vnt_mac_set_beacon_interval(struct vnt_private *priv, u16 interval)
Forest Bond92b96792009-06-13 07:38:31 -0400217{
Malcolm Priestleyddb8c952014-05-23 18:00:14 +0100218 u8 data[2];
Forest Bond92b96792009-06-13 07:38:31 -0400219
Malcolm Priestleyddb8c952014-05-23 18:00:14 +0100220 data[0] = (u8)(interval & 0xff);
221 data[1] = (u8)(interval >> 8);
Forest Bond92b96792009-06-13 07:38:31 -0400222
Scott Matheina0ef48912017-01-09 22:42:51 -0600223 vnt_control_out(priv, MESSAGE_TYPE_WRITE, MAC_REG_BI,
224 MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data);
Forest Bond92b96792009-06-13 07:38:31 -0400225}
Malcolm Priestley96f69752014-05-26 13:59:04 +0100226
227void vnt_mac_set_led(struct vnt_private *priv, u8 state, u8 led)
228{
229 u8 data[2];
230
231 data[0] = led;
232 data[1] = state;
233
234 vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK, MAC_REG_PAPEDELAY,
235 MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data);
Malcolm Priestley96f69752014-05-26 13:59:04 +0100236}