tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
4 * All rights reserved.
5 *
6 * 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
19#include <linux/etherdevice.h>
20
21#include "desc.h"
22#include "mac.h"
23#include "usbpipe.h"
24
25/*
26 * Description:
27 * Write MAC Multicast Address Mask
28 *
29 * Parameters:
30 * In:
31 * mc_filter (mac filter)
32 * Out:
33 * none
34 *
35 * Return Value: none
36 *
37 */
38void vnt_mac_set_filter(struct vnt_private *priv, u64 mc_filter)
39{
40 __le64 le_mc = cpu_to_le64(mc_filter);
41
42 vnt_control_out(priv, MESSAGE_TYPE_WRITE, MAC_REG_MAR0,
43 MESSAGE_REQUEST_MACREG, sizeof(le_mc), (u8 *)&le_mc);
44}
45
46/*
47 * Description:
48 * Shut Down MAC
49 *
50 * Parameters:
51 * In:
52 * Out:
53 * none
54 *
55 *
56 */
57void vnt_mac_shutdown(struct vnt_private *priv)
58{
59 vnt_control_out(priv, MESSAGE_TYPE_MACSHUTDOWN, 0, 0, 0, NULL);
60}
61
62void vnt_mac_set_bb_type(struct vnt_private *priv, u8 type)
63{
64 u8 data[2];
65
66 data[0] = type;
67 data[1] = EnCFG_BBType_MASK;
68
69 vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK, MAC_REG_ENCFG0,
70 MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data);
71}
72
73/*
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 */
87void vnt_mac_disable_keyentry(struct vnt_private *priv, u8 entry_idx)
88{
89 vnt_control_out(priv, MESSAGE_TYPE_CLRKEYENTRY, 0, 0,
90 sizeof(entry_idx), &entry_idx);
91}
92
93/*
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 */
107void vnt_mac_set_keyentry(struct vnt_private *priv, u16 key_ctl, u32 entry_idx,
108 u32 key_idx, u8 *addr, u8 *key)
109{
110 struct vnt_mac_set_key set_key;
111 u16 offset;
112
113 offset = MISCFIFO_KEYETRY0;
114 offset += entry_idx * MISCFIFO_KEYENTRYSIZE;
115
116 set_key.u.write.key_ctl = cpu_to_le16(key_ctl);
117 ether_addr_copy(set_key.u.write.addr, addr);
118
119 /* swap over swap[0] and swap[1] to get correct write order */
120 swap(set_key.u.swap[0], set_key.u.swap[1]);
121
122 memcpy(set_key.key, key, WLAN_KEY_LEN_CCMP);
123
124 dev_dbg(&priv->usb->dev, "offset %d key ctl %d set key %24ph\n",
125 offset, key_ctl, (u8 *)&set_key);
126
127 vnt_control_out(priv, MESSAGE_TYPE_SETKEY, offset,
128 (u16)key_idx, sizeof(struct vnt_mac_set_key),
129 (u8 *)&set_key);
130}
131
132void vnt_mac_reg_bits_off(struct vnt_private *priv, u8 reg_ofs, u8 bits)
133{
134 u8 data[2];
135
136 data[0] = 0;
137 data[1] = bits;
138
139 vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK,
140 reg_ofs, MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data),
141 data);
142}
143
144void vnt_mac_reg_bits_on(struct vnt_private *priv, u8 reg_ofs, u8 bits)
145{
146 u8 data[2];
147
148 data[0] = bits;
149 data[1] = bits;
150
151 vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK, reg_ofs,
152 MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data);
153}
154
155void vnt_mac_write_word(struct vnt_private *priv, u8 reg_ofs, u16 word)
156{
157 u8 data[2];
158
159 data[0] = (u8)(word & 0xff);
160 data[1] = (u8)(word >> 8);
161
162 vnt_control_out(priv, MESSAGE_TYPE_WRITE, reg_ofs,
163 MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data);
164}
165
166void vnt_mac_set_bssid_addr(struct vnt_private *priv, u8 *addr)
167{
168 vnt_control_out(priv, MESSAGE_TYPE_WRITE, MAC_REG_BSSID0,
169 MESSAGE_REQUEST_MACREG, ETH_ALEN, addr);
170}
171
172void vnt_mac_enable_protect_mode(struct vnt_private *priv)
173{
174 u8 data[2];
175
176 data[0] = EnCFG_ProtectMd;
177 data[1] = EnCFG_ProtectMd;
178
179 vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK, MAC_REG_ENCFG0,
180 MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data);
181}
182
183void vnt_mac_disable_protect_mode(struct vnt_private *priv)
184{
185 u8 data[2];
186
187 data[0] = 0;
188 data[1] = EnCFG_ProtectMd;
189
190 vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK, MAC_REG_ENCFG0,
191 MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data);
192}
193
194void vnt_mac_enable_barker_preamble_mode(struct vnt_private *priv)
195{
196 u8 data[2];
197
198 data[0] = EnCFG_BarkerPream;
199 data[1] = EnCFG_BarkerPream;
200
201 vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK, MAC_REG_ENCFG2,
202 MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data);
203}
204
205void vnt_mac_disable_barker_preamble_mode(struct vnt_private *priv)
206{
207 u8 data[2];
208
209 data[0] = 0;
210 data[1] = EnCFG_BarkerPream;
211
212 vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK, MAC_REG_ENCFG2,
213 MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data);
214}
215
216void vnt_mac_set_beacon_interval(struct vnt_private *priv, u16 interval)
217{
218 u8 data[2];
219
220 data[0] = (u8)(interval & 0xff);
221 data[1] = (u8)(interval >> 8);
222
223 vnt_control_out(priv, MESSAGE_TYPE_WRITE, MAC_REG_BI,
224 MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data);
225}
226
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);
236}