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_resume_and_get(wl->dev); 87 if (ret < 0) 88 goto out; 89 90 ret = wl1271_cmd_test(wl, buf, buf_len, answer); 91 if (ret < 0) { 92 wl1271_warning("testmode cmd test failed: %d", ret); 93 goto out_sleep; 94 } 95 96 if (answer) { 97 /* If we got bip calibration answer print radio status */ 98 struct wl1271_cmd_cal_p2g *params = 99 (struct wl1271_cmd_cal_p2g *) buf; 100 101 s16 radio_status = (s16) le16_to_cpu(params->radio_status); 102 103 if (params->test.id == TEST_CMD_P2G_CAL && 104 radio_status < 0) 105 wl1271_warning("testmode cmd: radio status=%d", 106 radio_status); 107 else 108 wl1271_info("testmode cmd: radio status=%d", 109 radio_status); 110 111 len = nla_total_size(buf_len); 112 skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, len); 113 if (!skb) { 114 ret = -ENOMEM; 115 goto out_sleep; 116 } 117 118 if (nla_put(skb, WL1271_TM_ATTR_DATA, buf_len, buf)) { 119 kfree_skb(skb); 120 ret = -EMSGSIZE; 121 goto out_sleep; 122 } 123 124 ret = cfg80211_testmode_reply(skb); 125 if (ret < 0) 126 goto out_sleep; 127 } 128 129 out_sleep: 130 pm_runtime_mark_last_busy(wl->dev); 131 pm_runtime_put_autosuspend(wl->dev); 132 out: 133 mutex_unlock(&wl->mutex); 134 135 return ret; 136 } 137 138 static int wl1271_tm_cmd_interrogate(struct wl1271 *wl, struct nlattr *tb[]) 139 { 140 int ret; 141 struct wl1271_command *cmd; 142 struct sk_buff *skb; 143 u8 ie_id; 144 145 wl1271_debug(DEBUG_TESTMODE, "testmode cmd interrogate"); 146 147 if (!tb[WL1271_TM_ATTR_IE_ID]) 148 return -EINVAL; 149 150 ie_id = nla_get_u8(tb[WL1271_TM_ATTR_IE_ID]); 151 152 mutex_lock(&wl->mutex); 153 154 if (unlikely(wl->state != WLCORE_STATE_ON)) { 155 ret = -EINVAL; 156 goto out; 157 } 158 159 ret = pm_runtime_resume_and_get(wl->dev); 160 if (ret < 0) 161 goto out; 162 163 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 164 if (!cmd) { 165 ret = -ENOMEM; 166 goto out_sleep; 167 } 168 169 ret = wl1271_cmd_interrogate(wl, ie_id, cmd, 170 sizeof(struct acx_header), sizeof(*cmd)); 171 if (ret < 0) { 172 wl1271_warning("testmode cmd interrogate failed: %d", ret); 173 goto out_free; 174 } 175 176 skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, sizeof(*cmd)); 177 if (!skb) { 178 ret = -ENOMEM; 179 goto out_free; 180 } 181 182 if (nla_put(skb, WL1271_TM_ATTR_DATA, sizeof(*cmd), cmd)) { 183 kfree_skb(skb); 184 ret = -EMSGSIZE; 185 goto out_free; 186 } 187 188 ret = cfg80211_testmode_reply(skb); 189 if (ret < 0) 190 goto out_free; 191 192 out_free: 193 kfree(cmd); 194 out_sleep: 195 pm_runtime_mark_last_busy(wl->dev); 196 pm_runtime_put_autosuspend(wl->dev); 197 out: 198 mutex_unlock(&wl->mutex); 199 200 return ret; 201 } 202 203 static int wl1271_tm_cmd_configure(struct wl1271 *wl, struct nlattr *tb[]) 204 { 205 int buf_len, ret; 206 void *buf; 207 u8 ie_id; 208 209 wl1271_debug(DEBUG_TESTMODE, "testmode cmd configure"); 210 211 if (!tb[WL1271_TM_ATTR_DATA]) 212 return -EINVAL; 213 if (!tb[WL1271_TM_ATTR_IE_ID]) 214 return -EINVAL; 215 216 ie_id = nla_get_u8(tb[WL1271_TM_ATTR_IE_ID]); 217 buf = nla_data(tb[WL1271_TM_ATTR_DATA]); 218 buf_len = nla_len(tb[WL1271_TM_ATTR_DATA]); 219 220 if (buf_len > sizeof(struct wl1271_command)) 221 return -EMSGSIZE; 222 223 mutex_lock(&wl->mutex); 224 ret = wl1271_cmd_configure(wl, ie_id, buf, buf_len); 225 mutex_unlock(&wl->mutex); 226 227 if (ret < 0) { 228 wl1271_warning("testmode cmd configure failed: %d", ret); 229 return ret; 230 } 231 232 return 0; 233 } 234 235 static int wl1271_tm_detect_fem(struct wl1271 *wl, struct nlattr *tb[]) 236 { 237 /* return FEM type */ 238 int ret, len; 239 struct sk_buff *skb; 240 241 ret = wl1271_plt_start(wl, PLT_FEM_DETECT); 242 if (ret < 0) 243 goto out; 244 245 mutex_lock(&wl->mutex); 246 247 len = nla_total_size(sizeof(wl->fem_manuf)); 248 skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, len); 249 if (!skb) { 250 ret = -ENOMEM; 251 goto out_mutex; 252 } 253 254 if (nla_put(skb, WL1271_TM_ATTR_DATA, sizeof(wl->fem_manuf), 255 &wl->fem_manuf)) { 256 kfree_skb(skb); 257 ret = -EMSGSIZE; 258 goto out_mutex; 259 } 260 261 ret = cfg80211_testmode_reply(skb); 262 263 out_mutex: 264 mutex_unlock(&wl->mutex); 265 266 /* We always stop plt after DETECT mode */ 267 wl1271_plt_stop(wl); 268 out: 269 return ret; 270 } 271 272 static int wl1271_tm_cmd_set_plt_mode(struct wl1271 *wl, struct nlattr *tb[]) 273 { 274 u32 val; 275 int ret; 276 277 wl1271_debug(DEBUG_TESTMODE, "testmode cmd set plt mode"); 278 279 if (!tb[WL1271_TM_ATTR_PLT_MODE]) 280 return -EINVAL; 281 282 val = nla_get_u32(tb[WL1271_TM_ATTR_PLT_MODE]); 283 284 switch (val) { 285 case PLT_OFF: 286 ret = wl1271_plt_stop(wl); 287 break; 288 case PLT_ON: 289 case PLT_CHIP_AWAKE: 290 ret = wl1271_plt_start(wl, val); 291 break; 292 case PLT_FEM_DETECT: 293 ret = wl1271_tm_detect_fem(wl, tb); 294 break; 295 default: 296 ret = -EINVAL; 297 break; 298 } 299 300 return ret; 301 } 302 303 static int wl12xx_tm_cmd_get_mac(struct wl1271 *wl, struct nlattr *tb[]) 304 { 305 struct sk_buff *skb; 306 u8 mac_addr[ETH_ALEN]; 307 int ret = 0; 308 309 mutex_lock(&wl->mutex); 310 311 if (!wl->plt) { 312 ret = -EINVAL; 313 goto out; 314 } 315 316 if (wl->fuse_oui_addr == 0 && wl->fuse_nic_addr == 0) { 317 ret = -EOPNOTSUPP; 318 goto out; 319 } 320 321 mac_addr[0] = (u8)(wl->fuse_oui_addr >> 16); 322 mac_addr[1] = (u8)(wl->fuse_oui_addr >> 8); 323 mac_addr[2] = (u8) wl->fuse_oui_addr; 324 mac_addr[3] = (u8)(wl->fuse_nic_addr >> 16); 325 mac_addr[4] = (u8)(wl->fuse_nic_addr >> 8); 326 mac_addr[5] = (u8) wl->fuse_nic_addr; 327 328 skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, ETH_ALEN); 329 if (!skb) { 330 ret = -ENOMEM; 331 goto out; 332 } 333 334 if (nla_put(skb, WL1271_TM_ATTR_DATA, ETH_ALEN, mac_addr)) { 335 kfree_skb(skb); 336 ret = -EMSGSIZE; 337 goto out; 338 } 339 340 ret = cfg80211_testmode_reply(skb); 341 if (ret < 0) 342 goto out; 343 344 out: 345 mutex_unlock(&wl->mutex); 346 return ret; 347 } 348 349 int wl1271_tm_cmd(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 350 void *data, int len) 351 { 352 struct wl1271 *wl = hw->priv; 353 struct nlattr *tb[WL1271_TM_ATTR_MAX + 1]; 354 u32 nla_cmd; 355 int err; 356 357 err = nla_parse_deprecated(tb, WL1271_TM_ATTR_MAX, data, len, 358 wl1271_tm_policy, NULL); 359 if (err) 360 return err; 361 362 if (!tb[WL1271_TM_ATTR_CMD_ID]) 363 return -EINVAL; 364 365 nla_cmd = nla_get_u32(tb[WL1271_TM_ATTR_CMD_ID]); 366 367 /* Only SET_PLT_MODE is allowed in case of mode PLT_CHIP_AWAKE */ 368 if (wl->plt_mode == PLT_CHIP_AWAKE && 369 nla_cmd != WL1271_TM_CMD_SET_PLT_MODE) 370 return -EOPNOTSUPP; 371 372 switch (nla_cmd) { 373 case WL1271_TM_CMD_TEST: 374 return wl1271_tm_cmd_test(wl, tb); 375 case WL1271_TM_CMD_INTERROGATE: 376 return wl1271_tm_cmd_interrogate(wl, tb); 377 case WL1271_TM_CMD_CONFIGURE: 378 return wl1271_tm_cmd_configure(wl, tb); 379 case WL1271_TM_CMD_SET_PLT_MODE: 380 return wl1271_tm_cmd_set_plt_mode(wl, tb); 381 case WL1271_TM_CMD_GET_MAC: 382 return wl12xx_tm_cmd_get_mac(wl, tb); 383 default: 384 return -EOPNOTSUPP; 385 } 386 } 387