diff options
Diffstat (limited to 'drivers/net/wireless/wl12xx/testmode.c')
-rw-r--r-- | drivers/net/wireless/wl12xx/testmode.c | 256 |
1 files changed, 256 insertions, 0 deletions
diff --git a/drivers/net/wireless/wl12xx/testmode.c b/drivers/net/wireless/wl12xx/testmode.c new file mode 100644 index 00000000000..abfb120df11 --- /dev/null +++ b/drivers/net/wireless/wl12xx/testmode.c | |||
@@ -0,0 +1,256 @@ | |||
1 | /* | ||
2 | * This file is part of wl1271 | ||
3 | * | ||
4 | * Copyright (C) 2010 Nokia Corporation | ||
5 | * | ||
6 | * Contact: Luciano Coelho <luciano.coelho@nokia.com> | ||
7 | * | ||
8 | * This program is free software; you can redistribute it and/or | ||
9 | * modify it under the terms of the GNU General Public License | ||
10 | * version 2 as published by the Free Software Foundation. | ||
11 | * | ||
12 | * This program is distributed in the hope that it will be useful, but | ||
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | ||
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
15 | * General Public License for more details. | ||
16 | * | ||
17 | * You should have received a copy of the GNU General Public License | ||
18 | * along with this program; if not, write to the Free Software | ||
19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | ||
20 | * 02110-1301 USA | ||
21 | * | ||
22 | */ | ||
23 | #include "testmode.h" | ||
24 | |||
25 | #include <linux/slab.h> | ||
26 | #include <net/genetlink.h> | ||
27 | |||
28 | #include "wl12xx.h" | ||
29 | #include "acx.h" | ||
30 | #include "reg.h" | ||
31 | |||
32 | #define WL1271_TM_MAX_DATA_LENGTH 1024 | ||
33 | |||
34 | enum wl1271_tm_commands { | ||
35 | WL1271_TM_CMD_UNSPEC, | ||
36 | WL1271_TM_CMD_TEST, | ||
37 | WL1271_TM_CMD_INTERROGATE, | ||
38 | WL1271_TM_CMD_CONFIGURE, | ||
39 | WL1271_TM_CMD_NVS_PUSH, /* Not in use. Keep to not break ABI */ | ||
40 | WL1271_TM_CMD_SET_PLT_MODE, | ||
41 | WL1271_TM_CMD_RECOVER, | ||
42 | |||
43 | __WL1271_TM_CMD_AFTER_LAST | ||
44 | }; | ||
45 | #define WL1271_TM_CMD_MAX (__WL1271_TM_CMD_AFTER_LAST - 1) | ||
46 | |||
47 | enum wl1271_tm_attrs { | ||
48 | WL1271_TM_ATTR_UNSPEC, | ||
49 | WL1271_TM_ATTR_CMD_ID, | ||
50 | WL1271_TM_ATTR_ANSWER, | ||
51 | WL1271_TM_ATTR_DATA, | ||
52 | WL1271_TM_ATTR_IE_ID, | ||
53 | WL1271_TM_ATTR_PLT_MODE, | ||
54 | |||
55 | __WL1271_TM_ATTR_AFTER_LAST | ||
56 | }; | ||
57 | #define WL1271_TM_ATTR_MAX (__WL1271_TM_ATTR_AFTER_LAST - 1) | ||
58 | |||
59 | static struct nla_policy wl1271_tm_policy[WL1271_TM_ATTR_MAX + 1] = { | ||
60 | [WL1271_TM_ATTR_CMD_ID] = { .type = NLA_U32 }, | ||
61 | [WL1271_TM_ATTR_ANSWER] = { .type = NLA_U8 }, | ||
62 | [WL1271_TM_ATTR_DATA] = { .type = NLA_BINARY, | ||
63 | .len = WL1271_TM_MAX_DATA_LENGTH }, | ||
64 | [WL1271_TM_ATTR_IE_ID] = { .type = NLA_U32 }, | ||
65 | [WL1271_TM_ATTR_PLT_MODE] = { .type = NLA_U32 }, | ||
66 | }; | ||
67 | |||
68 | |||
69 | static int wl1271_tm_cmd_test(struct wl1271 *wl, struct nlattr *tb[]) | ||
70 | { | ||
71 | int buf_len, ret, len; | ||
72 | struct sk_buff *skb; | ||
73 | void *buf; | ||
74 | u8 answer = 0; | ||
75 | |||
76 | wl1271_debug(DEBUG_TESTMODE, "testmode cmd test"); | ||
77 | |||
78 | if (!tb[WL1271_TM_ATTR_DATA]) | ||
79 | return -EINVAL; | ||
80 | |||
81 | buf = nla_data(tb[WL1271_TM_ATTR_DATA]); | ||
82 | buf_len = nla_len(tb[WL1271_TM_ATTR_DATA]); | ||
83 | |||
84 | if (tb[WL1271_TM_ATTR_ANSWER]) | ||
85 | answer = nla_get_u8(tb[WL1271_TM_ATTR_ANSWER]); | ||
86 | |||
87 | if (buf_len > sizeof(struct wl1271_command)) | ||
88 | return -EMSGSIZE; | ||
89 | |||
90 | mutex_lock(&wl->mutex); | ||
91 | ret = wl1271_cmd_test(wl, buf, buf_len, answer); | ||
92 | mutex_unlock(&wl->mutex); | ||
93 | |||
94 | if (ret < 0) { | ||
95 | wl1271_warning("testmode cmd test failed: %d", ret); | ||
96 | return ret; | ||
97 | } | ||
98 | |||
99 | if (answer) { | ||
100 | len = nla_total_size(buf_len); | ||
101 | skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, len); | ||
102 | if (!skb) | ||
103 | return -ENOMEM; | ||
104 | |||
105 | NLA_PUT(skb, WL1271_TM_ATTR_DATA, buf_len, buf); | ||
106 | ret = cfg80211_testmode_reply(skb); | ||
107 | if (ret < 0) | ||
108 | return ret; | ||
109 | } | ||
110 | |||
111 | return 0; | ||
112 | |||
113 | nla_put_failure: | ||
114 | kfree_skb(skb); | ||
115 | return -EMSGSIZE; | ||
116 | } | ||
117 | |||
118 | static int wl1271_tm_cmd_interrogate(struct wl1271 *wl, struct nlattr *tb[]) | ||
119 | { | ||
120 | int ret; | ||
121 | struct wl1271_command *cmd; | ||
122 | struct sk_buff *skb; | ||
123 | u8 ie_id; | ||
124 | |||
125 | wl1271_debug(DEBUG_TESTMODE, "testmode cmd interrogate"); | ||
126 | |||
127 | if (!tb[WL1271_TM_ATTR_IE_ID]) | ||
128 | return -EINVAL; | ||
129 | |||
130 | ie_id = nla_get_u8(tb[WL1271_TM_ATTR_IE_ID]); | ||
131 | |||
132 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | ||
133 | if (!cmd) | ||
134 | return -ENOMEM; | ||
135 | |||
136 | mutex_lock(&wl->mutex); | ||
137 | ret = wl1271_cmd_interrogate(wl, ie_id, cmd, sizeof(*cmd)); | ||
138 | mutex_unlock(&wl->mutex); | ||
139 | |||
140 | if (ret < 0) { | ||
141 | wl1271_warning("testmode cmd interrogate failed: %d", ret); | ||
142 | kfree(cmd); | ||
143 | return ret; | ||
144 | } | ||
145 | |||
146 | skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, sizeof(*cmd)); | ||
147 | if (!skb) { | ||
148 | kfree(cmd); | ||
149 | return -ENOMEM; | ||
150 | } | ||
151 | |||
152 | NLA_PUT(skb, WL1271_TM_ATTR_DATA, sizeof(*cmd), cmd); | ||
153 | |||
154 | return 0; | ||
155 | |||
156 | nla_put_failure: | ||
157 | kfree_skb(skb); | ||
158 | return -EMSGSIZE; | ||
159 | } | ||
160 | |||
161 | static int wl1271_tm_cmd_configure(struct wl1271 *wl, struct nlattr *tb[]) | ||
162 | { | ||
163 | int buf_len, ret; | ||
164 | void *buf; | ||
165 | u8 ie_id; | ||
166 | |||
167 | wl1271_debug(DEBUG_TESTMODE, "testmode cmd configure"); | ||
168 | |||
169 | if (!tb[WL1271_TM_ATTR_DATA]) | ||
170 | return -EINVAL; | ||
171 | if (!tb[WL1271_TM_ATTR_IE_ID]) | ||
172 | return -EINVAL; | ||
173 | |||
174 | ie_id = nla_get_u8(tb[WL1271_TM_ATTR_IE_ID]); | ||
175 | buf = nla_data(tb[WL1271_TM_ATTR_DATA]); | ||
176 | buf_len = nla_len(tb[WL1271_TM_ATTR_DATA]); | ||
177 | |||
178 | if (buf_len > sizeof(struct wl1271_command)) | ||
179 | return -EMSGSIZE; | ||
180 | |||
181 | mutex_lock(&wl->mutex); | ||
182 | ret = wl1271_cmd_configure(wl, ie_id, buf, buf_len); | ||
183 | mutex_unlock(&wl->mutex); | ||
184 | |||
185 | if (ret < 0) { | ||
186 | wl1271_warning("testmode cmd configure failed: %d", ret); | ||
187 | return ret; | ||
188 | } | ||
189 | |||
190 | return 0; | ||
191 | } | ||
192 | |||
193 | static int wl1271_tm_cmd_set_plt_mode(struct wl1271 *wl, struct nlattr *tb[]) | ||
194 | { | ||
195 | u32 val; | ||
196 | int ret; | ||
197 | |||
198 | wl1271_debug(DEBUG_TESTMODE, "testmode cmd set plt mode"); | ||
199 | |||
200 | if (!tb[WL1271_TM_ATTR_PLT_MODE]) | ||
201 | return -EINVAL; | ||
202 | |||
203 | val = nla_get_u32(tb[WL1271_TM_ATTR_PLT_MODE]); | ||
204 | |||
205 | switch (val) { | ||
206 | case 0: | ||
207 | ret = wl1271_plt_stop(wl); | ||
208 | break; | ||
209 | case 1: | ||
210 | ret = wl1271_plt_start(wl); | ||
211 | break; | ||
212 | default: | ||
213 | ret = -EINVAL; | ||
214 | break; | ||
215 | } | ||
216 | |||
217 | return ret; | ||
218 | } | ||
219 | |||
220 | static int wl1271_tm_cmd_recover(struct wl1271 *wl, struct nlattr *tb[]) | ||
221 | { | ||
222 | wl1271_debug(DEBUG_TESTMODE, "testmode cmd recover"); | ||
223 | |||
224 | wl12xx_queue_recovery_work(wl); | ||
225 | |||
226 | return 0; | ||
227 | } | ||
228 | |||
229 | int wl1271_tm_cmd(struct ieee80211_hw *hw, void *data, int len) | ||
230 | { | ||
231 | struct wl1271 *wl = hw->priv; | ||
232 | struct nlattr *tb[WL1271_TM_ATTR_MAX + 1]; | ||
233 | int err; | ||
234 | |||
235 | err = nla_parse(tb, WL1271_TM_ATTR_MAX, data, len, wl1271_tm_policy); | ||
236 | if (err) | ||
237 | return err; | ||
238 | |||
239 | if (!tb[WL1271_TM_ATTR_CMD_ID]) | ||
240 | return -EINVAL; | ||
241 | |||
242 | switch (nla_get_u32(tb[WL1271_TM_ATTR_CMD_ID])) { | ||
243 | case WL1271_TM_CMD_TEST: | ||
244 | return wl1271_tm_cmd_test(wl, tb); | ||
245 | case WL1271_TM_CMD_INTERROGATE: | ||
246 | return wl1271_tm_cmd_interrogate(wl, tb); | ||
247 | case WL1271_TM_CMD_CONFIGURE: | ||
248 | return wl1271_tm_cmd_configure(wl, tb); | ||
249 | case WL1271_TM_CMD_SET_PLT_MODE: | ||
250 | return wl1271_tm_cmd_set_plt_mode(wl, tb); | ||
251 | case WL1271_TM_CMD_RECOVER: | ||
252 | return wl1271_tm_cmd_recover(wl, tb); | ||
253 | default: | ||
254 | return -EOPNOTSUPP; | ||
255 | } | ||
256 | } | ||