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