1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * This file is part of wl1271 4 * 5 * Copyright (C) 2010 Nokia Corporation 6 * 7 * Contact: Luciano Coelho <luciano.coelho@nokia.com> 8 */ 9 #include "testmode.h" 10 11 #include <linux/pm_runtime.h> 12 #include <linux/slab.h> 13 #include <net/genetlink.h> 14 15 #include "wlcore.h" 16 #include "debug.h" 17 #include "acx.h" 18 #include "io.h" 19 20 #define WL1271_TM_MAX_DATA_LENGTH 1024 21 22 enum wl1271_tm_commands { 23 WL1271_TM_CMD_UNSPEC, 24 WL1271_TM_CMD_TEST, 25 WL1271_TM_CMD_INTERROGATE, 26 WL1271_TM_CMD_CONFIGURE, 27 WL1271_TM_CMD_NVS_PUSH, /* Not in use. Keep to not break ABI */ 28 WL1271_TM_CMD_SET_PLT_MODE, 29 WL1271_TM_CMD_RECOVER, /* Not in use. Keep to not break ABI */ 30 WL1271_TM_CMD_GET_MAC, 31 32 __WL1271_TM_CMD_AFTER_LAST 33 }; 34 #define WL1271_TM_CMD_MAX (__WL1271_TM_CMD_AFTER_LAST - 1) 35 36 enum wl1271_tm_attrs { 37 WL1271_TM_ATTR_UNSPEC, 38 WL1271_TM_ATTR_CMD_ID, 39 WL1271_TM_ATTR_ANSWER, 40 WL1271_TM_ATTR_DATA, 41 WL1271_TM_ATTR_IE_ID, 42 WL1271_TM_ATTR_PLT_MODE, 43 44 __WL1271_TM_ATTR_AFTER_LAST 45 }; 46 #define WL1271_TM_ATTR_MAX (__WL1271_TM_ATTR_AFTER_LAST - 1) 47 48 static struct nla_policy wl1271_tm_policy[WL1271_TM_ATTR_MAX + 1] = { 49 [WL1271_TM_ATTR_CMD_ID] = { .type = NLA_U32 }, 50 [WL1271_TM_ATTR_ANSWER] = { .type = NLA_U8 }, 51 [WL1271_TM_ATTR_DATA] = { .type = NLA_BINARY, 52 .len = WL1271_TM_MAX_DATA_LENGTH }, 53 [WL1271_TM_ATTR_IE_ID] = { .type = NLA_U32 }, 54 [WL1271_TM_ATTR_PLT_MODE] = { .type = NLA_U32 }, 55 }; 56 57 58 static int wl1271_tm_cmd_test(struct wl1271 *wl, struct nlattr *tb[]) 59 { 60 int buf_len, ret, len; 61 struct sk_buff *skb; 62 void *buf; 63 u8 answer = 0; 64 65 wl1271_debug(DEBUG_TESTMODE, "testmode cmd test"); 66 67 if (!tb[WL1271_TM_ATTR_DATA]) 68 return -EINVAL; 69 70 buf = nla_data(tb[WL1271_TM_ATTR_DATA]); 71 buf_len = nla_len(tb[WL1271_TM_ATTR_DATA]); 72 73 if (tb[WL1271_TM_ATTR_ANSWER]) 74 answer = nla_get_u8(tb[WL1271_TM_ATTR_ANSWER]); 75 76 if (buf_len > sizeof(struct wl1271_command)) 77 return -EMSGSIZE; 78 79 mutex_lock(&wl->mutex); 80 81 if (unlikely(wl->state != WLCORE_STATE_ON)) { 82 ret = -EINVAL; 83 goto out; 84 } 85 86 ret = pm_runtime_get_sync(wl->dev); 87 if (ret < 0) { 88 pm_runtime_put_noidle(wl->dev); 89 goto out; 90 } 91 92 ret = wl1271_cmd_test(wl, buf, buf_len, answer); 93 if (ret < 0) { 94 wl1271_warning("testmode cmd test failed: %d", ret); 95 goto out_sleep; 96 } 97 98 if (answer) { 99 /* If we got bip calibration answer print radio status */ 100 struct wl1271_cmd_cal_p2g *params = 101 (struct wl1271_cmd_cal_p2g *) buf; 102 103 s16 radio_status = (s16) le16_to_cpu(params->radio_status); 104 105 if (params->test.id == TEST_CMD_P2G_CAL && 106 radio_status < 0) 107 wl1271_warning("testmode cmd: radio status=%d", 108 radio_status); 109 else 110 wl1271_info("testmode cmd: radio status=%d", 111 radio_status); 112 113 len = nla_total_size(buf_len); 114 skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, len); 115 if (!skb) { 116 ret = -ENOMEM; 117 goto out_sleep; 118 } 119 120 if (nla_put(skb, WL1271_TM_ATTR_DATA, buf_len, buf)) { 121 kfree_skb(skb); 122 ret = -EMSGSIZE; 123 goto out_sleep; 124 } 125 126 ret = cfg80211_testmode_reply(skb); 127 if (ret < 0) 128 goto out_sleep; 129 } 130 131 out_sleep: 132 pm_runtime_mark_last_busy(wl->dev); 133 pm_runtime_put_autosuspend(wl->dev); 134 out: 135 mutex_unlock(&wl->mutex); 136 137 return ret; 138 } 139 140 static int wl1271_tm_cmd_interrogate(struct wl1271 *wl, struct nlattr *tb[]) 141 { 142 int ret; 143 struct wl1271_command *cmd; 144 struct sk_buff *skb; 145 u8 ie_id; 146 147 wl1271_debug(DEBUG_TESTMODE, "testmode cmd interrogate"); 148 149 if (!tb[WL1271_TM_ATTR_IE_ID]) 150 return -EINVAL; 151 152 ie_id = nla_get_u8(tb[WL1271_TM_ATTR_IE_ID]); 153 154 mutex_lock(&wl->mutex); 155 156 if (unlikely(wl->state != WLCORE_STATE_ON)) { 157 ret = -EINVAL; 158 goto out; 159 } 160 161 ret = pm_runtime_get_sync(wl->dev); 162 if (ret < 0) { 163 pm_runtime_put_noidle(wl->dev); 164 goto out; 165 } 166 167 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 168 if (!cmd) { 169 ret = -ENOMEM; 170 goto out_sleep; 171 } 172 173 ret = wl1271_cmd_interrogate(wl, ie_id, cmd, 174 sizeof(struct acx_header), sizeof(*cmd)); 175 if (ret < 0) { 176 wl1271_warning("testmode cmd interrogate failed: %d", ret); 177 goto out_free; 178 } 179 180 skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, sizeof(*cmd)); 181 if (!skb) { 182 ret = -ENOMEM; 183 goto out_free; 184 } 185 186 if (nla_put(skb, WL1271_TM_ATTR_DATA, sizeof(*cmd), cmd)) { 187 kfree_skb(skb); 188 ret = -EMSGSIZE; 189 goto out_free; 190 } 191 192 ret = cfg80211_testmode_reply(skb); 193 if (ret < 0) 194 goto out_free; 195 196 out_free: 197 kfree(cmd); 198 out_sleep: 199 pm_runtime_mark_last_busy(wl->dev); 200 pm_runtime_put_autosuspend(wl->dev); 201 out: 202 mutex_unlock(&wl->mutex); 203 204 return ret; 205 } 206 207 static int wl1271_tm_cmd_configure(struct wl1271 *wl, struct nlattr *tb[]) 208 { 209 int buf_len, ret; 210 void *buf; 211 u8 ie_id; 212 213 wl1271_debug(DEBUG_TESTMODE, "testmode cmd configure"); 214 215 if (!tb[WL1271_TM_ATTR_DATA]) 216 return -EINVAL; 217 if (!tb[WL1271_TM_ATTR_IE_ID]) 218 return -EINVAL; 219 220 ie_id = nla_get_u8(tb[WL1271_TM_ATTR_IE_ID]); 221 buf = nla_data(tb[WL1271_TM_ATTR_DATA]); 222 buf_len = nla_len(tb[WL1271_TM_ATTR_DATA]); 223 224 if (buf_len > sizeof(struct wl1271_command)) 225 return -EMSGSIZE; 226 227 mutex_lock(&wl->mutex); 228 ret = wl1271_cmd_configure(wl, ie_id, buf, buf_len); 229 mutex_unlock(&wl->mutex); 230 231 if (ret < 0) { 232 wl1271_warning("testmode cmd configure failed: %d", ret); 233 return ret; 234 } 235 236 return 0; 237 } 238 239 static int wl1271_tm_detect_fem(struct wl1271 *wl, struct nlattr *tb[]) 240 { 241 /* return FEM type */ 242 int ret, len; 243 struct sk_buff *skb; 244 245 ret = wl1271_plt_start(wl, PLT_FEM_DETECT); 246 if (ret < 0) 247 goto out; 248 249 mutex_lock(&wl->mutex); 250 251 len = nla_total_size(sizeof(wl->fem_manuf)); 252 skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, len); 253 if (!skb) { 254 ret = -ENOMEM; 255 goto out_mutex; 256 } 257 258 if (nla_put(skb, WL1271_TM_ATTR_DATA, sizeof(wl->fem_manuf), 259 &wl->fem_manuf)) { 260 kfree_skb(skb); 261 ret = -EMSGSIZE; 262 goto out_mutex; 263 } 264 265 ret = cfg80211_testmode_reply(skb); 266 267 out_mutex: 268 mutex_unlock(&wl->mutex); 269 270 /* We always stop plt after DETECT mode */ 271 wl1271_plt_stop(wl); 272 out: 273 return ret; 274 } 275 276 static int wl1271_tm_cmd_set_plt_mode(struct wl1271 *wl, struct nlattr *tb[]) 277 { 278 u32 val; 279 int ret; 280 281 wl1271_debug(DEBUG_TESTMODE, "testmode cmd set plt mode"); 282 283 if (!tb[WL1271_TM_ATTR_PLT_MODE]) 284 return -EINVAL; 285 286 val = nla_get_u32(tb[WL1271_TM_ATTR_PLT_MODE]); 287 288 switch (val) { 289 case PLT_OFF: 290 ret = wl1271_plt_stop(wl); 291 break; 292 case PLT_ON: 293 case PLT_CHIP_AWAKE: 294 ret = wl1271_plt_start(wl, val); 295 break; 296 case PLT_FEM_DETECT: 297 ret = wl1271_tm_detect_fem(wl, tb); 298 break; 299 default: 300 ret = -EINVAL; 301 break; 302 } 303 304 return ret; 305 } 306 307 static int wl12xx_tm_cmd_get_mac(struct wl1271 *wl, struct nlattr *tb[]) 308 { 309 struct sk_buff *skb; 310 u8 mac_addr[ETH_ALEN]; 311 int ret = 0; 312 313 mutex_lock(&wl->mutex); 314 315 if (!wl->plt) { 316 ret = -EINVAL; 317 goto out; 318 } 319 320 if (wl->fuse_oui_addr == 0 && wl->fuse_nic_addr == 0) { 321 ret = -EOPNOTSUPP; 322 goto out; 323 } 324 325 mac_addr[0] = (u8)(wl->fuse_oui_addr >> 16); 326 mac_addr[1] = (u8)(wl->fuse_oui_addr >> 8); 327 mac_addr[2] = (u8) wl->fuse_oui_addr; 328 mac_addr[3] = (u8)(wl->fuse_nic_addr >> 16); 329 mac_addr[4] = (u8)(wl->fuse_nic_addr >> 8); 330 mac_addr[5] = (u8) wl->fuse_nic_addr; 331 332 skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, ETH_ALEN); 333 if (!skb) { 334 ret = -ENOMEM; 335 goto out; 336 } 337 338 if (nla_put(skb, WL1271_TM_ATTR_DATA, ETH_ALEN, mac_addr)) { 339 kfree_skb(skb); 340 ret = -EMSGSIZE; 341 goto out; 342 } 343 344 ret = cfg80211_testmode_reply(skb); 345 if (ret < 0) 346 goto out; 347 348 out: 349 mutex_unlock(&wl->mutex); 350 return ret; 351 } 352 353 int wl1271_tm_cmd(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 354 void *data, int len) 355 { 356 struct wl1271 *wl = hw->priv; 357 struct nlattr *tb[WL1271_TM_ATTR_MAX + 1]; 358 u32 nla_cmd; 359 int err; 360 361 err = nla_parse_deprecated(tb, WL1271_TM_ATTR_MAX, data, len, 362 wl1271_tm_policy, NULL); 363 if (err) 364 return err; 365 366 if (!tb[WL1271_TM_ATTR_CMD_ID]) 367 return -EINVAL; 368 369 nla_cmd = nla_get_u32(tb[WL1271_TM_ATTR_CMD_ID]); 370 371 /* Only SET_PLT_MODE is allowed in case of mode PLT_CHIP_AWAKE */ 372 if (wl->plt_mode == PLT_CHIP_AWAKE && 373 nla_cmd != WL1271_TM_CMD_SET_PLT_MODE) 374 return -EOPNOTSUPP; 375 376 switch (nla_cmd) { 377 case WL1271_TM_CMD_TEST: 378 return wl1271_tm_cmd_test(wl, tb); 379 case WL1271_TM_CMD_INTERROGATE: 380 return wl1271_tm_cmd_interrogate(wl, tb); 381 case WL1271_TM_CMD_CONFIGURE: 382 return wl1271_tm_cmd_configure(wl, tb); 383 case WL1271_TM_CMD_SET_PLT_MODE: 384 return wl1271_tm_cmd_set_plt_mode(wl, tb); 385 case WL1271_TM_CMD_GET_MAC: 386 return wl12xx_tm_cmd_get_mac(wl, tb); 387 default: 388 return -EOPNOTSUPP; 389 } 390 } 391