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 | } | ||
