| 1 | /** |
| 2 | * This file contains the handling of command |
| 3 | * responses as well as events generated by firmware. |
| 4 | */ |
| 5 | #include <linux/delay.h> |
| 6 | #include <linux/if_arp.h> |
| 7 | #include <linux/netdevice.h> |
| 8 | #include <asm/unaligned.h> |
| 9 | #include <net/iw_handler.h> |
| 10 | |
| 11 | #include "host.h" |
| 12 | #include "decl.h" |
| 13 | #include "defs.h" |
| 14 | #include "dev.h" |
| 15 | #include "assoc.h" |
| 16 | #include "wext.h" |
| 17 | |
| 18 | /** |
| 19 | * @brief This function handles disconnect event. it |
| 20 | * reports disconnect to upper layer, clean tx/rx packets, |
| 21 | * reset link state etc. |
| 22 | * |
| 23 | * @param priv A pointer to struct lbs_private structure |
| 24 | * @return n/a |
| 25 | */ |
| 26 | void lbs_mac_event_disconnected(struct lbs_private *priv) |
| 27 | { |
| 28 | union iwreq_data wrqu; |
| 29 | |
| 30 | if (priv->connect_status != LBS_CONNECTED) |
| 31 | return; |
| 32 | |
| 33 | lbs_deb_enter(LBS_DEB_ASSOC); |
| 34 | |
| 35 | memset(wrqu.ap_addr.sa_data, 0x00, ETH_ALEN); |
| 36 | wrqu.ap_addr.sa_family = ARPHRD_ETHER; |
| 37 | |
| 38 | /* |
| 39 | * Cisco AP sends EAP failure and de-auth in less than 0.5 ms. |
| 40 | * It causes problem in the Supplicant |
| 41 | */ |
| 42 | |
| 43 | msleep_interruptible(1000); |
| 44 | wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL); |
| 45 | |
| 46 | /* report disconnect to upper layer */ |
| 47 | netif_stop_queue(priv->dev); |
| 48 | netif_carrier_off(priv->dev); |
| 49 | |
| 50 | /* Free Tx and Rx packets */ |
| 51 | kfree_skb(priv->currenttxskb); |
| 52 | priv->currenttxskb = NULL; |
| 53 | priv->tx_pending_len = 0; |
| 54 | |
| 55 | /* reset SNR/NF/RSSI values */ |
| 56 | memset(priv->SNR, 0x00, sizeof(priv->SNR)); |
| 57 | memset(priv->NF, 0x00, sizeof(priv->NF)); |
| 58 | memset(priv->RSSI, 0x00, sizeof(priv->RSSI)); |
| 59 | memset(priv->rawSNR, 0x00, sizeof(priv->rawSNR)); |
| 60 | memset(priv->rawNF, 0x00, sizeof(priv->rawNF)); |
| 61 | priv->nextSNRNF = 0; |
| 62 | priv->numSNRNF = 0; |
| 63 | priv->connect_status = LBS_DISCONNECTED; |
| 64 | |
| 65 | /* Clear out associated SSID and BSSID since connection is |
| 66 | * no longer valid. |
| 67 | */ |
| 68 | memset(&priv->curbssparams.bssid, 0, ETH_ALEN); |
| 69 | memset(&priv->curbssparams.ssid, 0, IW_ESSID_MAX_SIZE); |
| 70 | priv->curbssparams.ssid_len = 0; |
| 71 | |
| 72 | if (priv->psstate != PS_STATE_FULL_POWER) { |
| 73 | /* make firmware to exit PS mode */ |
| 74 | lbs_deb_cmd("disconnected, so exit PS mode\n"); |
| 75 | lbs_ps_wakeup(priv, 0); |
| 76 | } |
| 77 | lbs_deb_leave(LBS_DEB_ASSOC); |
| 78 | } |
| 79 | |
| 80 | /** |
| 81 | * @brief This function handles MIC failure event. |
| 82 | * |
| 83 | * @param priv A pointer to struct lbs_private structure |
| 84 | * @para event the event id |
| 85 | * @return n/a |
| 86 | */ |
| 87 | static void handle_mic_failureevent(struct lbs_private *priv, u32 event) |
| 88 | { |
| 89 | char buf[50]; |
| 90 | |
| 91 | lbs_deb_enter(LBS_DEB_CMD); |
| 92 | memset(buf, 0, sizeof(buf)); |
| 93 | |
| 94 | sprintf(buf, "%s", "MLME-MICHAELMICFAILURE.indication "); |
| 95 | |
| 96 | if (event == MACREG_INT_CODE_MIC_ERR_UNICAST) { |
| 97 | strcat(buf, "unicast "); |
| 98 | } else { |
| 99 | strcat(buf, "multicast "); |
| 100 | } |
| 101 | |
| 102 | lbs_send_iwevcustom_event(priv, buf); |
| 103 | lbs_deb_leave(LBS_DEB_CMD); |
| 104 | } |
| 105 | |
| 106 | static int lbs_ret_reg_access(struct lbs_private *priv, |
| 107 | u16 type, struct cmd_ds_command *resp) |
| 108 | { |
| 109 | int ret = 0; |
| 110 | |
| 111 | lbs_deb_enter(LBS_DEB_CMD); |
| 112 | |
| 113 | switch (type) { |
| 114 | case CMD_RET(CMD_MAC_REG_ACCESS): |
| 115 | { |
| 116 | struct cmd_ds_mac_reg_access *reg = &resp->params.macreg; |
| 117 | |
| 118 | priv->offsetvalue.offset = (u32)le16_to_cpu(reg->offset); |
| 119 | priv->offsetvalue.value = le32_to_cpu(reg->value); |
| 120 | break; |
| 121 | } |
| 122 | |
| 123 | case CMD_RET(CMD_BBP_REG_ACCESS): |
| 124 | { |
| 125 | struct cmd_ds_bbp_reg_access *reg = &resp->params.bbpreg; |
| 126 | |
| 127 | priv->offsetvalue.offset = (u32)le16_to_cpu(reg->offset); |
| 128 | priv->offsetvalue.value = reg->value; |
| 129 | break; |
| 130 | } |
| 131 | |
| 132 | case CMD_RET(CMD_RF_REG_ACCESS): |
| 133 | { |
| 134 | struct cmd_ds_rf_reg_access *reg = &resp->params.rfreg; |
| 135 | |
| 136 | priv->offsetvalue.offset = (u32)le16_to_cpu(reg->offset); |
| 137 | priv->offsetvalue.value = reg->value; |
| 138 | break; |
| 139 | } |
| 140 | |
| 141 | default: |
| 142 | ret = -1; |
| 143 | } |
| 144 | |
| 145 | lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); |
| 146 | return ret; |
| 147 | } |
| 148 | |
| 149 | static int lbs_ret_802_11_rssi(struct lbs_private *priv, |
| 150 | struct cmd_ds_command *resp) |
| 151 | { |
| 152 | struct cmd_ds_802_11_rssi_rsp *rssirsp = &resp->params.rssirsp; |
| 153 | |
| 154 | lbs_deb_enter(LBS_DEB_CMD); |
| 155 | |
| 156 | /* store the non average value */ |
| 157 | priv->SNR[TYPE_BEACON][TYPE_NOAVG] = get_unaligned_le16(&rssirsp->SNR); |
| 158 | priv->NF[TYPE_BEACON][TYPE_NOAVG] = get_unaligned_le16(&rssirsp->noisefloor); |
| 159 | |
| 160 | priv->SNR[TYPE_BEACON][TYPE_AVG] = get_unaligned_le16(&rssirsp->avgSNR); |
| 161 | priv->NF[TYPE_BEACON][TYPE_AVG] = get_unaligned_le16(&rssirsp->avgnoisefloor); |
| 162 | |
| 163 | priv->RSSI[TYPE_BEACON][TYPE_NOAVG] = |
| 164 | CAL_RSSI(priv->SNR[TYPE_BEACON][TYPE_NOAVG], |
| 165 | priv->NF[TYPE_BEACON][TYPE_NOAVG]); |
| 166 | |
| 167 | priv->RSSI[TYPE_BEACON][TYPE_AVG] = |
| 168 | CAL_RSSI(priv->SNR[TYPE_BEACON][TYPE_AVG] / AVG_SCALE, |
| 169 | priv->NF[TYPE_BEACON][TYPE_AVG] / AVG_SCALE); |
| 170 | |
| 171 | lbs_deb_cmd("RSSI: beacon %d, avg %d\n", |
| 172 | priv->RSSI[TYPE_BEACON][TYPE_NOAVG], |
| 173 | priv->RSSI[TYPE_BEACON][TYPE_AVG]); |
| 174 | |
| 175 | lbs_deb_leave(LBS_DEB_CMD); |
| 176 | return 0; |
| 177 | } |
| 178 | |
| 179 | static int lbs_ret_802_11_bcn_ctrl(struct lbs_private * priv, |
| 180 | struct cmd_ds_command *resp) |
| 181 | { |
| 182 | struct cmd_ds_802_11_beacon_control *bcn_ctrl = |
| 183 | &resp->params.bcn_ctrl; |
| 184 | |
| 185 | lbs_deb_enter(LBS_DEB_CMD); |
| 186 | |
| 187 | if (bcn_ctrl->action == CMD_ACT_GET) { |
| 188 | priv->beacon_enable = (u8) le16_to_cpu(bcn_ctrl->beacon_enable); |
| 189 | priv->beacon_period = le16_to_cpu(bcn_ctrl->beacon_period); |
| 190 | } |
| 191 | |
| 192 | lbs_deb_enter(LBS_DEB_CMD); |
| 193 | return 0; |
| 194 | } |
| 195 | |
| 196 | static inline int handle_cmd_response(struct lbs_private *priv, |
| 197 | struct cmd_header *cmd_response) |
| 198 | { |
| 199 | struct cmd_ds_command *resp = (struct cmd_ds_command *) cmd_response; |
| 200 | int ret = 0; |
| 201 | unsigned long flags; |
| 202 | uint16_t respcmd = le16_to_cpu(resp->command); |
| 203 | |
| 204 | lbs_deb_enter(LBS_DEB_HOST); |
| 205 | |
| 206 | switch (respcmd) { |
| 207 | case CMD_RET(CMD_MAC_REG_ACCESS): |
| 208 | case CMD_RET(CMD_BBP_REG_ACCESS): |
| 209 | case CMD_RET(CMD_RF_REG_ACCESS): |
| 210 | ret = lbs_ret_reg_access(priv, respcmd, resp); |
| 211 | break; |
| 212 | |
| 213 | case CMD_RET(CMD_802_11_SET_AFC): |
| 214 | case CMD_RET(CMD_802_11_GET_AFC): |
| 215 | spin_lock_irqsave(&priv->driver_lock, flags); |
| 216 | memmove((void *)priv->cur_cmd->callback_arg, &resp->params.afc, |
| 217 | sizeof(struct cmd_ds_802_11_afc)); |
| 218 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
| 219 | |
| 220 | break; |
| 221 | |
| 222 | case CMD_RET(CMD_802_11_BEACON_STOP): |
| 223 | break; |
| 224 | |
| 225 | case CMD_RET(CMD_802_11_RSSI): |
| 226 | ret = lbs_ret_802_11_rssi(priv, resp); |
| 227 | break; |
| 228 | |
| 229 | case CMD_RET(CMD_802_11D_DOMAIN_INFO): |
| 230 | ret = lbs_ret_802_11d_domain_info(resp); |
| 231 | break; |
| 232 | |
| 233 | case CMD_RET(CMD_802_11_TPC_CFG): |
| 234 | spin_lock_irqsave(&priv->driver_lock, flags); |
| 235 | memmove((void *)priv->cur_cmd->callback_arg, &resp->params.tpccfg, |
| 236 | sizeof(struct cmd_ds_802_11_tpc_cfg)); |
| 237 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
| 238 | break; |
| 239 | case CMD_RET(CMD_802_11_LED_GPIO_CTRL): |
| 240 | spin_lock_irqsave(&priv->driver_lock, flags); |
| 241 | memmove((void *)priv->cur_cmd->callback_arg, &resp->params.ledgpio, |
| 242 | sizeof(struct cmd_ds_802_11_led_ctrl)); |
| 243 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
| 244 | break; |
| 245 | |
| 246 | case CMD_RET(CMD_GET_TSF): |
| 247 | spin_lock_irqsave(&priv->driver_lock, flags); |
| 248 | memcpy((void *)priv->cur_cmd->callback_arg, |
| 249 | &resp->params.gettsf.tsfvalue, sizeof(u64)); |
| 250 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
| 251 | break; |
| 252 | case CMD_RET(CMD_BT_ACCESS): |
| 253 | spin_lock_irqsave(&priv->driver_lock, flags); |
| 254 | if (priv->cur_cmd->callback_arg) |
| 255 | memcpy((void *)priv->cur_cmd->callback_arg, |
| 256 | &resp->params.bt.addr1, 2 * ETH_ALEN); |
| 257 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
| 258 | break; |
| 259 | case CMD_RET(CMD_FWT_ACCESS): |
| 260 | spin_lock_irqsave(&priv->driver_lock, flags); |
| 261 | if (priv->cur_cmd->callback_arg) |
| 262 | memcpy((void *)priv->cur_cmd->callback_arg, &resp->params.fwt, |
| 263 | sizeof(resp->params.fwt)); |
| 264 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
| 265 | break; |
| 266 | case CMD_RET(CMD_802_11_BEACON_CTRL): |
| 267 | ret = lbs_ret_802_11_bcn_ctrl(priv, resp); |
| 268 | break; |
| 269 | |
| 270 | default: |
| 271 | lbs_pr_err("CMD_RESP: unknown cmd response 0x%04x\n", |
| 272 | le16_to_cpu(resp->command)); |
| 273 | break; |
| 274 | } |
| 275 | lbs_deb_leave(LBS_DEB_HOST); |
| 276 | return ret; |
| 277 | } |
| 278 | |
| 279 | int lbs_process_command_response(struct lbs_private *priv, u8 *data, u32 len) |
| 280 | { |
| 281 | uint16_t respcmd, curcmd; |
| 282 | struct cmd_header *resp; |
| 283 | int ret = 0; |
| 284 | unsigned long flags; |
| 285 | uint16_t result; |
| 286 | |
| 287 | lbs_deb_enter(LBS_DEB_HOST); |
| 288 | |
| 289 | mutex_lock(&priv->lock); |
| 290 | spin_lock_irqsave(&priv->driver_lock, flags); |
| 291 | |
| 292 | if (!priv->cur_cmd) { |
| 293 | lbs_deb_host("CMD_RESP: cur_cmd is NULL\n"); |
| 294 | ret = -1; |
| 295 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
| 296 | goto done; |
| 297 | } |
| 298 | |
| 299 | resp = (void *)data; |
| 300 | curcmd = le16_to_cpu(priv->cur_cmd->cmdbuf->command); |
| 301 | respcmd = le16_to_cpu(resp->command); |
| 302 | result = le16_to_cpu(resp->result); |
| 303 | |
| 304 | lbs_deb_cmd("CMD_RESP: response 0x%04x, seq %d, size %d\n", |
| 305 | respcmd, le16_to_cpu(resp->seqnum), len); |
| 306 | lbs_deb_hex(LBS_DEB_CMD, "CMD_RESP", (void *) resp, len); |
| 307 | |
| 308 | if (resp->seqnum != priv->cur_cmd->cmdbuf->seqnum) { |
| 309 | lbs_pr_info("Received CMD_RESP with invalid sequence %d (expected %d)\n", |
| 310 | le16_to_cpu(resp->seqnum), le16_to_cpu(priv->cur_cmd->cmdbuf->seqnum)); |
| 311 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
| 312 | ret = -1; |
| 313 | goto done; |
| 314 | } |
| 315 | if (respcmd != CMD_RET(curcmd) && |
| 316 | respcmd != CMD_RET_802_11_ASSOCIATE && curcmd != CMD_802_11_ASSOCIATE) { |
| 317 | lbs_pr_info("Invalid CMD_RESP %x to command %x!\n", respcmd, curcmd); |
| 318 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
| 319 | ret = -1; |
| 320 | goto done; |
| 321 | } |
| 322 | |
| 323 | if (resp->result == cpu_to_le16(0x0004)) { |
| 324 | /* 0x0004 means -EAGAIN. Drop the response, let it time out |
| 325 | and be resubmitted */ |
| 326 | lbs_pr_info("Firmware returns DEFER to command %x. Will let it time out...\n", |
| 327 | le16_to_cpu(resp->command)); |
| 328 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
| 329 | ret = -1; |
| 330 | goto done; |
| 331 | } |
| 332 | |
| 333 | /* Now we got response from FW, cancel the command timer */ |
| 334 | del_timer(&priv->command_timer); |
| 335 | priv->cmd_timed_out = 0; |
| 336 | if (priv->nr_retries) { |
| 337 | lbs_pr_info("Received result %x to command %x after %d retries\n", |
| 338 | result, curcmd, priv->nr_retries); |
| 339 | priv->nr_retries = 0; |
| 340 | } |
| 341 | |
| 342 | /* Store the response code to cur_cmd_retcode. */ |
| 343 | priv->cur_cmd_retcode = result; |
| 344 | |
| 345 | if (respcmd == CMD_RET(CMD_802_11_PS_MODE)) { |
| 346 | struct cmd_ds_802_11_ps_mode *psmode = (void *) &resp[1]; |
| 347 | u16 action = le16_to_cpu(psmode->action); |
| 348 | |
| 349 | lbs_deb_host( |
| 350 | "CMD_RESP: PS_MODE cmd reply result 0x%x, action 0x%x\n", |
| 351 | result, action); |
| 352 | |
| 353 | if (result) { |
| 354 | lbs_deb_host("CMD_RESP: PS command failed with 0x%x\n", |
| 355 | result); |
| 356 | /* |
| 357 | * We should not re-try enter-ps command in |
| 358 | * ad-hoc mode. It takes place in |
| 359 | * lbs_execute_next_command(). |
| 360 | */ |
| 361 | if (priv->mode == IW_MODE_ADHOC && |
| 362 | action == CMD_SUBCMD_ENTER_PS) |
| 363 | priv->psmode = LBS802_11POWERMODECAM; |
| 364 | } else if (action == CMD_SUBCMD_ENTER_PS) { |
| 365 | priv->needtowakeup = 0; |
| 366 | priv->psstate = PS_STATE_AWAKE; |
| 367 | |
| 368 | lbs_deb_host("CMD_RESP: ENTER_PS command response\n"); |
| 369 | if (priv->connect_status != LBS_CONNECTED) { |
| 370 | /* |
| 371 | * When Deauth Event received before Enter_PS command |
| 372 | * response, We need to wake up the firmware. |
| 373 | */ |
| 374 | lbs_deb_host( |
| 375 | "disconnected, invoking lbs_ps_wakeup\n"); |
| 376 | |
| 377 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
| 378 | mutex_unlock(&priv->lock); |
| 379 | lbs_ps_wakeup(priv, 0); |
| 380 | mutex_lock(&priv->lock); |
| 381 | spin_lock_irqsave(&priv->driver_lock, flags); |
| 382 | } |
| 383 | } else if (action == CMD_SUBCMD_EXIT_PS) { |
| 384 | priv->needtowakeup = 0; |
| 385 | priv->psstate = PS_STATE_FULL_POWER; |
| 386 | lbs_deb_host("CMD_RESP: EXIT_PS command response\n"); |
| 387 | } else { |
| 388 | lbs_deb_host("CMD_RESP: PS action 0x%X\n", action); |
| 389 | } |
| 390 | |
| 391 | lbs_complete_command(priv, priv->cur_cmd, result); |
| 392 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
| 393 | |
| 394 | ret = 0; |
| 395 | goto done; |
| 396 | } |
| 397 | |
| 398 | /* If the command is not successful, cleanup and return failure */ |
| 399 | if ((result != 0 || !(respcmd & 0x8000))) { |
| 400 | lbs_deb_host("CMD_RESP: error 0x%04x in command reply 0x%04x\n", |
| 401 | result, respcmd); |
| 402 | /* |
| 403 | * Handling errors here |
| 404 | */ |
| 405 | switch (respcmd) { |
| 406 | case CMD_RET(CMD_GET_HW_SPEC): |
| 407 | case CMD_RET(CMD_802_11_RESET): |
| 408 | lbs_deb_host("CMD_RESP: reset failed\n"); |
| 409 | break; |
| 410 | |
| 411 | } |
| 412 | lbs_complete_command(priv, priv->cur_cmd, result); |
| 413 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
| 414 | |
| 415 | ret = -1; |
| 416 | goto done; |
| 417 | } |
| 418 | |
| 419 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
| 420 | |
| 421 | if (priv->cur_cmd && priv->cur_cmd->callback) { |
| 422 | ret = priv->cur_cmd->callback(priv, priv->cur_cmd->callback_arg, |
| 423 | resp); |
| 424 | } else |
| 425 | ret = handle_cmd_response(priv, resp); |
| 426 | |
| 427 | spin_lock_irqsave(&priv->driver_lock, flags); |
| 428 | |
| 429 | if (priv->cur_cmd) { |
| 430 | /* Clean up and Put current command back to cmdfreeq */ |
| 431 | lbs_complete_command(priv, priv->cur_cmd, result); |
| 432 | } |
| 433 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
| 434 | |
| 435 | done: |
| 436 | mutex_unlock(&priv->lock); |
| 437 | lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret); |
| 438 | return ret; |
| 439 | } |
| 440 | |
| 441 | static int lbs_send_confirmwake(struct lbs_private *priv) |
| 442 | { |
| 443 | struct cmd_header cmd; |
| 444 | int ret = 0; |
| 445 | |
| 446 | lbs_deb_enter(LBS_DEB_HOST); |
| 447 | |
| 448 | cmd.command = cpu_to_le16(CMD_802_11_WAKEUP_CONFIRM); |
| 449 | cmd.size = cpu_to_le16(sizeof(cmd)); |
| 450 | cmd.seqnum = cpu_to_le16(++priv->seqnum); |
| 451 | cmd.result = 0; |
| 452 | |
| 453 | lbs_deb_hex(LBS_DEB_HOST, "wake confirm", (u8 *) &cmd, |
| 454 | sizeof(cmd)); |
| 455 | |
| 456 | ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) &cmd, sizeof(cmd)); |
| 457 | if (ret) |
| 458 | lbs_pr_alert("SEND_WAKEC_CMD: Host to Card failed for Confirm Wake\n"); |
| 459 | |
| 460 | lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret); |
| 461 | return ret; |
| 462 | } |
| 463 | |
| 464 | int lbs_process_event(struct lbs_private *priv, u32 event) |
| 465 | { |
| 466 | int ret = 0; |
| 467 | |
| 468 | lbs_deb_enter(LBS_DEB_CMD); |
| 469 | |
| 470 | switch (event) { |
| 471 | case MACREG_INT_CODE_LINK_SENSED: |
| 472 | lbs_deb_cmd("EVENT: link sensed\n"); |
| 473 | break; |
| 474 | |
| 475 | case MACREG_INT_CODE_DEAUTHENTICATED: |
| 476 | lbs_deb_cmd("EVENT: deauthenticated\n"); |
| 477 | lbs_mac_event_disconnected(priv); |
| 478 | break; |
| 479 | |
| 480 | case MACREG_INT_CODE_DISASSOCIATED: |
| 481 | lbs_deb_cmd("EVENT: disassociated\n"); |
| 482 | lbs_mac_event_disconnected(priv); |
| 483 | break; |
| 484 | |
| 485 | case MACREG_INT_CODE_LINK_LOST_NO_SCAN: |
| 486 | lbs_deb_cmd("EVENT: link lost\n"); |
| 487 | lbs_mac_event_disconnected(priv); |
| 488 | break; |
| 489 | |
| 490 | case MACREG_INT_CODE_PS_SLEEP: |
| 491 | lbs_deb_cmd("EVENT: ps sleep\n"); |
| 492 | |
| 493 | /* handle unexpected PS SLEEP event */ |
| 494 | if (priv->psstate == PS_STATE_FULL_POWER) { |
| 495 | lbs_deb_cmd( |
| 496 | "EVENT: in FULL POWER mode, ignoreing PS_SLEEP\n"); |
| 497 | break; |
| 498 | } |
| 499 | priv->psstate = PS_STATE_PRE_SLEEP; |
| 500 | |
| 501 | lbs_ps_confirm_sleep(priv); |
| 502 | |
| 503 | break; |
| 504 | |
| 505 | case MACREG_INT_CODE_HOST_AWAKE: |
| 506 | lbs_deb_cmd("EVENT: host awake\n"); |
| 507 | lbs_send_confirmwake(priv); |
| 508 | break; |
| 509 | |
| 510 | case MACREG_INT_CODE_PS_AWAKE: |
| 511 | lbs_deb_cmd("EVENT: ps awake\n"); |
| 512 | /* handle unexpected PS AWAKE event */ |
| 513 | if (priv->psstate == PS_STATE_FULL_POWER) { |
| 514 | lbs_deb_cmd( |
| 515 | "EVENT: In FULL POWER mode - ignore PS AWAKE\n"); |
| 516 | break; |
| 517 | } |
| 518 | |
| 519 | priv->psstate = PS_STATE_AWAKE; |
| 520 | |
| 521 | if (priv->needtowakeup) { |
| 522 | /* |
| 523 | * wait for the command processing to finish |
| 524 | * before resuming sending |
| 525 | * priv->needtowakeup will be set to FALSE |
| 526 | * in lbs_ps_wakeup() |
| 527 | */ |
| 528 | lbs_deb_cmd("waking up ...\n"); |
| 529 | lbs_ps_wakeup(priv, 0); |
| 530 | } |
| 531 | break; |
| 532 | |
| 533 | case MACREG_INT_CODE_MIC_ERR_UNICAST: |
| 534 | lbs_deb_cmd("EVENT: UNICAST MIC ERROR\n"); |
| 535 | handle_mic_failureevent(priv, MACREG_INT_CODE_MIC_ERR_UNICAST); |
| 536 | break; |
| 537 | |
| 538 | case MACREG_INT_CODE_MIC_ERR_MULTICAST: |
| 539 | lbs_deb_cmd("EVENT: MULTICAST MIC ERROR\n"); |
| 540 | handle_mic_failureevent(priv, MACREG_INT_CODE_MIC_ERR_MULTICAST); |
| 541 | break; |
| 542 | |
| 543 | case MACREG_INT_CODE_MIB_CHANGED: |
| 544 | lbs_deb_cmd("EVENT: MIB CHANGED\n"); |
| 545 | break; |
| 546 | case MACREG_INT_CODE_INIT_DONE: |
| 547 | lbs_deb_cmd("EVENT: INIT DONE\n"); |
| 548 | break; |
| 549 | case MACREG_INT_CODE_ADHOC_BCN_LOST: |
| 550 | lbs_deb_cmd("EVENT: ADHOC beacon lost\n"); |
| 551 | break; |
| 552 | case MACREG_INT_CODE_RSSI_LOW: |
| 553 | lbs_pr_alert("EVENT: rssi low\n"); |
| 554 | break; |
| 555 | case MACREG_INT_CODE_SNR_LOW: |
| 556 | lbs_pr_alert("EVENT: snr low\n"); |
| 557 | break; |
| 558 | case MACREG_INT_CODE_MAX_FAIL: |
| 559 | lbs_pr_alert("EVENT: max fail\n"); |
| 560 | break; |
| 561 | case MACREG_INT_CODE_RSSI_HIGH: |
| 562 | lbs_pr_alert("EVENT: rssi high\n"); |
| 563 | break; |
| 564 | case MACREG_INT_CODE_SNR_HIGH: |
| 565 | lbs_pr_alert("EVENT: snr high\n"); |
| 566 | break; |
| 567 | |
| 568 | case MACREG_INT_CODE_MESH_AUTO_STARTED: |
| 569 | /* Ignore spurious autostart events if autostart is disabled */ |
| 570 | if (!priv->mesh_autostart_enabled) { |
| 571 | lbs_pr_info("EVENT: MESH_AUTO_STARTED (ignoring)\n"); |
| 572 | break; |
| 573 | } |
| 574 | lbs_pr_info("EVENT: MESH_AUTO_STARTED\n"); |
| 575 | priv->mesh_connect_status = LBS_CONNECTED; |
| 576 | if (priv->mesh_open) { |
| 577 | netif_carrier_on(priv->mesh_dev); |
| 578 | if (!priv->tx_pending_len) |
| 579 | netif_wake_queue(priv->mesh_dev); |
| 580 | } |
| 581 | priv->mode = IW_MODE_ADHOC; |
| 582 | schedule_work(&priv->sync_channel); |
| 583 | break; |
| 584 | |
| 585 | default: |
| 586 | lbs_pr_alert("EVENT: unknown event id %d\n", event); |
| 587 | break; |
| 588 | } |
| 589 | |
| 590 | lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); |
| 591 | return ret; |
| 592 | } |