--- /dev/null
+/**
+ * This file contains the handling of command
+ * responses as well as events generated by firmware.
+ */
+#include <linux/delay.h>
+#include <linux/if_arp.h>
+#include <linux/netdevice.h>
+
+#include <net/iw_handler.h>
+
+#include "host.h"
+#include "decl.h"
+#include "defs.h"
+#include "dev.h"
+#include "join.h"
+#include "wext.h"
+
+/**
+ * @brief This function handles disconnect event. it
+ * reports disconnect to upper layer, clean tx/rx packets,
+ * reset link state etc.
+ *
+ * @param priv A pointer to struct lbs_private structure
+ * @return n/a
+ */
+void lbs_mac_event_disconnected(struct lbs_private *priv)
+{
+ union iwreq_data wrqu;
+
+ if (priv->connect_status != LBS_CONNECTED)
+ return;
+
+ lbs_deb_enter(LBS_DEB_ASSOC);
+
+ memset(wrqu.ap_addr.sa_data, 0x00, ETH_ALEN);
+ wrqu.ap_addr.sa_family = ARPHRD_ETHER;
+
+ /*
+ * Cisco AP sends EAP failure and de-auth in less than 0.5 ms.
+ * It causes problem in the Supplicant
+ */
+
+ msleep_interruptible(1000);
+ wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL);
+
+ /* Free Tx and Rx packets */
+ kfree_skb(priv->currenttxskb);
+ priv->currenttxskb = NULL;
+
+ /* report disconnect to upper layer */
+ netif_stop_queue(priv->dev);
+ netif_carrier_off(priv->dev);
+
+ /* reset SNR/NF/RSSI values */
+ memset(priv->SNR, 0x00, sizeof(priv->SNR));
+ memset(priv->NF, 0x00, sizeof(priv->NF));
+ memset(priv->RSSI, 0x00, sizeof(priv->RSSI));
+ memset(priv->rawSNR, 0x00, sizeof(priv->rawSNR));
+ memset(priv->rawNF, 0x00, sizeof(priv->rawNF));
+ priv->nextSNRNF = 0;
+ priv->numSNRNF = 0;
+ priv->connect_status = LBS_DISCONNECTED;
+
+ /* Clear out associated SSID and BSSID since connection is
+ * no longer valid.
+ */
+ memset(&priv->curbssparams.bssid, 0, ETH_ALEN);
+ memset(&priv->curbssparams.ssid, 0, IW_ESSID_MAX_SIZE);
+ priv->curbssparams.ssid_len = 0;
+
+ if (priv->psstate != PS_STATE_FULL_POWER) {
+ /* make firmware to exit PS mode */
+ lbs_deb_cmd("disconnected, so exit PS mode\n");
+ lbs_ps_wakeup(priv, 0);
+ }
+ lbs_deb_leave(LBS_DEB_CMD);
+}
+
+/**
+ * @brief This function handles MIC failure event.
+ *
+ * @param priv A pointer to struct lbs_private structure
+ * @para event the event id
+ * @return n/a
+ */
+static void handle_mic_failureevent(struct lbs_private *priv, u32 event)
+{
+ char buf[50];
+
+ lbs_deb_enter(LBS_DEB_CMD);
+ memset(buf, 0, sizeof(buf));
+
+ sprintf(buf, "%s", "MLME-MICHAELMICFAILURE.indication ");
+
+ if (event == MACREG_INT_CODE_MIC_ERR_UNICAST) {
+ strcat(buf, "unicast ");
+ } else {
+ strcat(buf, "multicast ");
+ }
+
+ lbs_send_iwevcustom_event(priv, buf);
+ lbs_deb_leave(LBS_DEB_CMD);
+}
+
+static int lbs_ret_reg_access(struct lbs_private *priv,
+ u16 type, struct cmd_ds_command *resp)
+{
+ int ret = 0;
+
+ lbs_deb_enter(LBS_DEB_CMD);
+
+ switch (type) {
+ case CMD_RET(CMD_MAC_REG_ACCESS):
+ {
+ struct cmd_ds_mac_reg_access *reg = &resp->params.macreg;
+
+ priv->offsetvalue.offset = (u32)le16_to_cpu(reg->offset);
+ priv->offsetvalue.value = le32_to_cpu(reg->value);
+ break;
+ }
+
+ case CMD_RET(CMD_BBP_REG_ACCESS):
+ {
+ struct cmd_ds_bbp_reg_access *reg = &resp->params.bbpreg;
+
+ priv->offsetvalue.offset = (u32)le16_to_cpu(reg->offset);
+ priv->offsetvalue.value = reg->value;
+ break;
+ }
+
+ case CMD_RET(CMD_RF_REG_ACCESS):
+ {
+ struct cmd_ds_rf_reg_access *reg = &resp->params.rfreg;
+
+ priv->offsetvalue.offset = (u32)le16_to_cpu(reg->offset);
+ priv->offsetvalue.value = reg->value;
+ break;
+ }
+
+ default:
+ ret = -1;
+ }
+
+ lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
+ return ret;
+}
+
+static int lbs_ret_802_11_sleep_params(struct lbs_private *priv,
+ struct cmd_ds_command *resp)
+{
+ struct cmd_ds_802_11_sleep_params *sp = &resp->params.sleep_params;
+
+ lbs_deb_enter(LBS_DEB_CMD);
+
+ lbs_deb_cmd("error 0x%x, offset 0x%x, stabletime 0x%x, calcontrol 0x%x "
+ "extsleepclk 0x%x\n", le16_to_cpu(sp->error),
+ le16_to_cpu(sp->offset), le16_to_cpu(sp->stabletime),
+ sp->calcontrol, sp->externalsleepclk);
+
+ priv->sp.sp_error = le16_to_cpu(sp->error);
+ priv->sp.sp_offset = le16_to_cpu(sp->offset);
+ priv->sp.sp_stabletime = le16_to_cpu(sp->stabletime);
+ priv->sp.sp_calcontrol = sp->calcontrol;
+ priv->sp.sp_extsleepclk = sp->externalsleepclk;
+ priv->sp.sp_reserved = le16_to_cpu(sp->reserved);
+
+ lbs_deb_enter(LBS_DEB_CMD);
+ return 0;
+}
+
+static int lbs_ret_802_11_stat(struct lbs_private *priv,
+ struct cmd_ds_command *resp)
+{
+ lbs_deb_enter(LBS_DEB_CMD);
+/* currently priv->wlan802_11Stat is unused
+
+ struct cmd_ds_802_11_get_stat *p11Stat = &resp->params.gstat;
+
+ // TODO Convert it to Big endian befor copy
+ memcpy(&priv->wlan802_11Stat,
+ p11Stat, sizeof(struct cmd_ds_802_11_get_stat));
+*/
+ lbs_deb_leave(LBS_DEB_CMD);
+ return 0;
+}
+
+static int lbs_ret_802_11_snmp_mib(struct lbs_private *priv,
+ struct cmd_ds_command *resp)
+{
+ struct cmd_ds_802_11_snmp_mib *smib = &resp->params.smib;
+ u16 oid = le16_to_cpu(smib->oid);
+ u16 querytype = le16_to_cpu(smib->querytype);
+
+ lbs_deb_enter(LBS_DEB_CMD);
+
+ lbs_deb_cmd("SNMP_RESP: oid 0x%x, querytype 0x%x\n", oid,
+ querytype);
+ lbs_deb_cmd("SNMP_RESP: Buf size %d\n", le16_to_cpu(smib->bufsize));
+
+ if (querytype == CMD_ACT_GET) {
+ switch (oid) {
+ case FRAGTHRESH_I:
+ priv->fragthsd =
+ le16_to_cpu(*((__le16 *)(smib->value)));
+ lbs_deb_cmd("SNMP_RESP: frag threshold %u\n",
+ priv->fragthsd);
+ break;
+ case RTSTHRESH_I:
+ priv->rtsthsd =
+ le16_to_cpu(*((__le16 *)(smib->value)));
+ lbs_deb_cmd("SNMP_RESP: rts threshold %u\n",
+ priv->rtsthsd);
+ break;
+ case SHORT_RETRYLIM_I:
+ priv->txretrycount =
+ le16_to_cpu(*((__le16 *)(smib->value)));
+ lbs_deb_cmd("SNMP_RESP: tx retry count %u\n",
+ priv->rtsthsd);
+ break;
+ default:
+ break;
+ }
+ }
+
+ lbs_deb_enter(LBS_DEB_CMD);
+ return 0;
+}
+
+static int lbs_ret_802_11_key_material(struct lbs_private *priv,
+ struct cmd_ds_command *resp)
+{
+ struct cmd_ds_802_11_key_material *pkeymaterial =
+ &resp->params.keymaterial;
+ u16 action = le16_to_cpu(pkeymaterial->action);
+
+ lbs_deb_enter(LBS_DEB_CMD);
+
+ /* Copy the returned key to driver private data */
+ if (action == CMD_ACT_GET) {
+ u8 * buf_ptr = (u8 *) &pkeymaterial->keyParamSet;
+ u8 * resp_end = (u8 *) (resp + le16_to_cpu(resp->size));
+
+ while (buf_ptr < resp_end) {
+ struct MrvlIEtype_keyParamSet * pkeyparamset =
+ (struct MrvlIEtype_keyParamSet *) buf_ptr;
+ struct enc_key * pkey;
+ u16 param_set_len = le16_to_cpu(pkeyparamset->length);
+ u16 key_len = le16_to_cpu(pkeyparamset->keylen);
+ u16 key_flags = le16_to_cpu(pkeyparamset->keyinfo);
+ u16 key_type = le16_to_cpu(pkeyparamset->keytypeid);
+ u8 * end;
+
+ end = (u8 *) pkeyparamset + sizeof (pkeyparamset->type)
+ + sizeof (pkeyparamset->length)
+ + param_set_len;
+ /* Make sure we don't access past the end of the IEs */
+ if (end > resp_end)
+ break;
+
+ if (key_flags & KEY_INFO_WPA_UNICAST)
+ pkey = &priv->wpa_unicast_key;
+ else if (key_flags & KEY_INFO_WPA_MCAST)
+ pkey = &priv->wpa_mcast_key;
+ else
+ break;
+
+ /* Copy returned key into driver */
+ memset(pkey, 0, sizeof(struct enc_key));
+ if (key_len > sizeof(pkey->key))
+ break;
+ pkey->type = key_type;
+ pkey->flags = key_flags;
+ pkey->len = key_len;
+ memcpy(pkey->key, pkeyparamset->key, pkey->len);
+
+ buf_ptr = end + 1;
+ }
+ }
+
+ lbs_deb_enter(LBS_DEB_CMD);
+ return 0;
+}
+
+static int lbs_ret_802_11_mac_address(struct lbs_private *priv,
+ struct cmd_ds_command *resp)
+{
+ struct cmd_ds_802_11_mac_address *macadd = &resp->params.macadd;
+
+ lbs_deb_enter(LBS_DEB_CMD);
+
+ memcpy(priv->current_addr, macadd->macadd, ETH_ALEN);
+
+ lbs_deb_enter(LBS_DEB_CMD);
+ return 0;
+}
+
+static int lbs_ret_802_11_rf_tx_power(struct lbs_private *priv,
+ struct cmd_ds_command *resp)
+{
+ struct cmd_ds_802_11_rf_tx_power *rtp = &resp->params.txp;
+
+ lbs_deb_enter(LBS_DEB_CMD);
+
+ priv->txpowerlevel = le16_to_cpu(rtp->currentlevel);
+
+ lbs_deb_cmd("TX power currently %d\n", priv->txpowerlevel);
+
+ lbs_deb_leave(LBS_DEB_CMD);
+ return 0;
+}
+
+static int lbs_ret_802_11_rate_adapt_rateset(struct lbs_private *priv,
+ struct cmd_ds_command *resp)
+{
+ struct cmd_ds_802_11_rate_adapt_rateset *rates = &resp->params.rateset;
+
+ lbs_deb_enter(LBS_DEB_CMD);
+
+ if (rates->action == CMD_ACT_GET) {
+ priv->enablehwauto = le16_to_cpu(rates->enablehwauto);
+ priv->ratebitmap = le16_to_cpu(rates->bitmap);
+ }
+
+ lbs_deb_leave(LBS_DEB_CMD);
+ return 0;
+}
+
+static int lbs_ret_802_11_rssi(struct lbs_private *priv,
+ struct cmd_ds_command *resp)
+{
+ struct cmd_ds_802_11_rssi_rsp *rssirsp = &resp->params.rssirsp;
+
+ lbs_deb_enter(LBS_DEB_CMD);
+
+ /* store the non average value */
+ priv->SNR[TYPE_BEACON][TYPE_NOAVG] = le16_to_cpu(rssirsp->SNR);
+ priv->NF[TYPE_BEACON][TYPE_NOAVG] = le16_to_cpu(rssirsp->noisefloor);
+
+ priv->SNR[TYPE_BEACON][TYPE_AVG] = le16_to_cpu(rssirsp->avgSNR);
+ priv->NF[TYPE_BEACON][TYPE_AVG] = le16_to_cpu(rssirsp->avgnoisefloor);
+
+ priv->RSSI[TYPE_BEACON][TYPE_NOAVG] =
+ CAL_RSSI(priv->SNR[TYPE_BEACON][TYPE_NOAVG],
+ priv->NF[TYPE_BEACON][TYPE_NOAVG]);
+
+ priv->RSSI[TYPE_BEACON][TYPE_AVG] =
+ CAL_RSSI(priv->SNR[TYPE_BEACON][TYPE_AVG] / AVG_SCALE,
+ priv->NF[TYPE_BEACON][TYPE_AVG] / AVG_SCALE);
+
+ lbs_deb_cmd("RSSI: beacon %d, avg %d\n",
+ priv->RSSI[TYPE_BEACON][TYPE_NOAVG],
+ priv->RSSI[TYPE_BEACON][TYPE_AVG]);
+
+ lbs_deb_leave(LBS_DEB_CMD);
+ return 0;
+}
+
+static int lbs_ret_802_11_eeprom_access(struct lbs_private *priv,
+ struct cmd_ds_command *resp)
+{
+ struct lbs_ioctl_regrdwr *pbuf;
+ pbuf = (struct lbs_ioctl_regrdwr *) priv->prdeeprom;
+
+ lbs_deb_enter_args(LBS_DEB_CMD, "len %d",
+ le16_to_cpu(resp->params.rdeeprom.bytecount));
+ if (pbuf->NOB < le16_to_cpu(resp->params.rdeeprom.bytecount)) {
+ pbuf->NOB = 0;
+ lbs_deb_cmd("EEPROM read length too big\n");
+ return -1;
+ }
+ pbuf->NOB = le16_to_cpu(resp->params.rdeeprom.bytecount);
+ if (pbuf->NOB > 0) {
+
+ memcpy(&pbuf->value, (u8 *) & resp->params.rdeeprom.value,
+ le16_to_cpu(resp->params.rdeeprom.bytecount));
+ lbs_deb_hex(LBS_DEB_CMD, "EEPROM", (char *)&pbuf->value,
+ le16_to_cpu(resp->params.rdeeprom.bytecount));
+ }
+ lbs_deb_leave(LBS_DEB_CMD);
+ return 0;
+}
+
+static int lbs_ret_get_log(struct lbs_private *priv,
+ struct cmd_ds_command *resp)
+{
+ struct cmd_ds_802_11_get_log *logmessage = &resp->params.glog;
+
+ lbs_deb_enter(LBS_DEB_CMD);
+
+ /* Stored little-endian */
+ memcpy(&priv->logmsg, logmessage, sizeof(struct cmd_ds_802_11_get_log));
+
+ lbs_deb_leave(LBS_DEB_CMD);
+ return 0;
+}
+
+static int lbs_ret_802_11_enable_rsn(struct lbs_private *priv,
+ struct cmd_ds_command *resp)
+{
+ struct cmd_ds_802_11_enable_rsn *enable_rsn = &resp->params.enbrsn;
+ u32 * pdata_buf = priv->cur_cmd->pdata_buf;
+
+ lbs_deb_enter(LBS_DEB_CMD);
+
+ if (enable_rsn->action == cpu_to_le16(CMD_ACT_GET)) {
+ if (pdata_buf)
+ *pdata_buf = (u32) le16_to_cpu(enable_rsn->enable);
+ }
+
+ lbs_deb_leave(LBS_DEB_CMD);
+ return 0;
+}
+
+static int lbs_ret_802_11_bcn_ctrl(struct lbs_private * priv,
+ struct cmd_ds_command *resp)
+{
+ struct cmd_ds_802_11_beacon_control *bcn_ctrl =
+ &resp->params.bcn_ctrl;
+
+ lbs_deb_enter(LBS_DEB_CMD);
+
+ if (bcn_ctrl->action == CMD_ACT_GET) {
+ priv->beacon_enable = (u8) le16_to_cpu(bcn_ctrl->beacon_enable);
+ priv->beacon_period = le16_to_cpu(bcn_ctrl->beacon_period);
+ }
+
+ lbs_deb_enter(LBS_DEB_CMD);
+ return 0;
+}
+
+static int lbs_ret_802_11_subscribe_event(struct lbs_private *priv,
+ struct cmd_ds_command *resp)
+{
+ struct cmd_ds_802_11_subscribe_event *cmd_event =
+ &resp->params.subscribe_event;
+ struct cmd_ds_802_11_subscribe_event *dst_event =
+ priv->cur_cmd->pdata_buf;
+
+ lbs_deb_enter(LBS_DEB_CMD);
+
+ if (dst_event->action == cpu_to_le16(CMD_ACT_GET)) {
+ dst_event->events = cmd_event->events;
+ memcpy(dst_event->tlv, cmd_event->tlv, sizeof(dst_event->tlv));
+ }
+
+ lbs_deb_leave(LBS_DEB_CMD);
+ return 0;
+}
+
+static inline int handle_cmd_response(struct lbs_private *priv,
+ unsigned long dummy,
+ struct cmd_header *cmd_response)
+{
+ struct cmd_ds_command *resp = (struct cmd_ds_command *) cmd_response;
+ int ret = 0;
+ unsigned long flags;
+ uint16_t respcmd = le16_to_cpu(resp->command);
+
+ lbs_deb_enter(LBS_DEB_HOST);
+
+ switch (respcmd) {
+ case CMD_RET(CMD_MAC_REG_ACCESS):
+ case CMD_RET(CMD_BBP_REG_ACCESS):
+ case CMD_RET(CMD_RF_REG_ACCESS):
+ ret = lbs_ret_reg_access(priv, respcmd, resp);
+ break;
+
+ case CMD_RET(CMD_802_11_SCAN):
+ ret = lbs_ret_80211_scan(priv, resp);
+ break;
+
+ case CMD_RET(CMD_802_11_GET_LOG):
+ ret = lbs_ret_get_log(priv, resp);
+ break;
+
+ case CMD_RET_802_11_ASSOCIATE:
+ case CMD_RET(CMD_802_11_ASSOCIATE):
+ case CMD_RET(CMD_802_11_REASSOCIATE):
+ ret = lbs_ret_80211_associate(priv, resp);
+ break;
+
+ case CMD_RET(CMD_802_11_DISASSOCIATE):
+ case CMD_RET(CMD_802_11_DEAUTHENTICATE):
+ ret = lbs_ret_80211_disassociate(priv, resp);
+ break;
+
+ case CMD_RET(CMD_802_11_AD_HOC_START):
+ case CMD_RET(CMD_802_11_AD_HOC_JOIN):
+ ret = lbs_ret_80211_ad_hoc_start(priv, resp);
+ break;
+
+ case CMD_RET(CMD_802_11_GET_STAT):
+ ret = lbs_ret_802_11_stat(priv, resp);
+ break;
+
+ case CMD_RET(CMD_802_11_SNMP_MIB):
+ ret = lbs_ret_802_11_snmp_mib(priv, resp);
+ break;
+
+ case CMD_RET(CMD_802_11_RF_TX_POWER):
+ ret = lbs_ret_802_11_rf_tx_power(priv, resp);
+ break;
+
+ case CMD_RET(CMD_802_11_SET_AFC):
+ case CMD_RET(CMD_802_11_GET_AFC):
+ spin_lock_irqsave(&priv->driver_lock, flags);
+ memmove(priv->cur_cmd->pdata_buf, &resp->params.afc,
+ sizeof(struct cmd_ds_802_11_afc));
+ spin_unlock_irqrestore(&priv->driver_lock, flags);
+
+ break;
+
+ case CMD_RET(CMD_MAC_MULTICAST_ADR):
+ case CMD_RET(CMD_MAC_CONTROL):
+ case CMD_RET(CMD_802_11_SET_WEP):
+ case CMD_RET(CMD_802_11_RESET):
+ case CMD_RET(CMD_802_11_AUTHENTICATE):
+ case CMD_RET(CMD_802_11_RADIO_CONTROL):
+ case CMD_RET(CMD_802_11_BEACON_STOP):
+ break;
+
+ case CMD_RET(CMD_802_11_ENABLE_RSN):
+ ret = lbs_ret_802_11_enable_rsn(priv, resp);
+ break;
+
+ case CMD_RET(CMD_802_11_RATE_ADAPT_RATESET):
+ ret = lbs_ret_802_11_rate_adapt_rateset(priv, resp);
+ break;
+
+ case CMD_RET(CMD_802_11_RSSI):
+ ret = lbs_ret_802_11_rssi(priv, resp);
+ break;
+
+ case CMD_RET(CMD_802_11_MAC_ADDRESS):
+ ret = lbs_ret_802_11_mac_address(priv, resp);
+ break;
+
+ case CMD_RET(CMD_802_11_AD_HOC_STOP):
+ ret = lbs_ret_80211_ad_hoc_stop(priv, resp);
+ break;
+
+ case CMD_RET(CMD_802_11_KEY_MATERIAL):
+ ret = lbs_ret_802_11_key_material(priv, resp);
+ break;
+
+ case CMD_RET(CMD_802_11_EEPROM_ACCESS):
+ ret = lbs_ret_802_11_eeprom_access(priv, resp);
+ break;
+
+ case CMD_RET(CMD_802_11D_DOMAIN_INFO):
+ ret = lbs_ret_802_11d_domain_info(priv, resp);
+ break;
+
+ case CMD_RET(CMD_802_11_SLEEP_PARAMS):
+ ret = lbs_ret_802_11_sleep_params(priv, resp);
+ break;
+ case CMD_RET(CMD_802_11_INACTIVITY_TIMEOUT):
+ spin_lock_irqsave(&priv->driver_lock, flags);
+ *((u16 *) priv->cur_cmd->pdata_buf) =
+ le16_to_cpu(resp->params.inactivity_timeout.timeout);
+ spin_unlock_irqrestore(&priv->driver_lock, flags);
+ break;
+
+ case CMD_RET(CMD_802_11_TPC_CFG):
+ spin_lock_irqsave(&priv->driver_lock, flags);
+ memmove(priv->cur_cmd->pdata_buf, &resp->params.tpccfg,
+ sizeof(struct cmd_ds_802_11_tpc_cfg));
+ spin_unlock_irqrestore(&priv->driver_lock, flags);
+ break;
+ case CMD_RET(CMD_802_11_LED_GPIO_CTRL):
+ spin_lock_irqsave(&priv->driver_lock, flags);
+ memmove(priv->cur_cmd->pdata_buf, &resp->params.ledgpio,
+ sizeof(struct cmd_ds_802_11_led_ctrl));
+ spin_unlock_irqrestore(&priv->driver_lock, flags);
+ break;
+ case CMD_RET(CMD_802_11_SUBSCRIBE_EVENT):
+ ret = lbs_ret_802_11_subscribe_event(priv, resp);
+ break;
+
+ case CMD_RET(CMD_802_11_PWR_CFG):
+ spin_lock_irqsave(&priv->driver_lock, flags);
+ memmove(priv->cur_cmd->pdata_buf, &resp->params.pwrcfg,
+ sizeof(struct cmd_ds_802_11_pwr_cfg));
+ spin_unlock_irqrestore(&priv->driver_lock, flags);
+
+ break;
+
+ case CMD_RET(CMD_GET_TSF):
+ spin_lock_irqsave(&priv->driver_lock, flags);
+ memcpy(priv->cur_cmd->pdata_buf,
+ &resp->params.gettsf.tsfvalue, sizeof(u64));
+ spin_unlock_irqrestore(&priv->driver_lock, flags);
+ break;
+ case CMD_RET(CMD_BT_ACCESS):
+ spin_lock_irqsave(&priv->driver_lock, flags);
+ if (priv->cur_cmd->pdata_buf)
+ memcpy(priv->cur_cmd->pdata_buf,
+ &resp->params.bt.addr1, 2 * ETH_ALEN);
+ spin_unlock_irqrestore(&priv->driver_lock, flags);
+ break;
+ case CMD_RET(CMD_FWT_ACCESS):
+ spin_lock_irqsave(&priv->driver_lock, flags);
+ if (priv->cur_cmd->pdata_buf)
+ memcpy(priv->cur_cmd->pdata_buf, &resp->params.fwt,
+ sizeof(resp->params.fwt));
+ spin_unlock_irqrestore(&priv->driver_lock, flags);
+ break;
+ case CMD_RET(CMD_802_11_BEACON_CTRL):
+ ret = lbs_ret_802_11_bcn_ctrl(priv, resp);
+ break;
+
+ default:
+ lbs_deb_host("CMD_RESP: unknown cmd response 0x%04x\n",
+ resp->command);
+ break;
+ }
+ lbs_deb_leave(LBS_DEB_HOST);
+ return ret;
+}
+
+int lbs_process_rx_command(struct lbs_private *priv)
+{
+ u16 respcmd;
+ struct cmd_header *resp;
+ int ret = 0;
+ ulong flags;
+ u16 result;
+
+ lbs_deb_enter(LBS_DEB_HOST);
+
+ /* Now we got response from FW, cancel the command timer */
+ del_timer(&priv->command_timer);
+
+ mutex_lock(&priv->lock);
+ spin_lock_irqsave(&priv->driver_lock, flags);
+
+ if (!priv->cur_cmd) {
+ lbs_deb_host("CMD_RESP: cur_cmd is NULL\n");
+ ret = -1;
+ spin_unlock_irqrestore(&priv->driver_lock, flags);
+ goto done;
+ }
+ resp = priv->cur_cmd->cmdbuf;
+
+ respcmd = le16_to_cpu(resp->command);
+ result = le16_to_cpu(resp->result);
+
+ lbs_deb_host("CMD_RESP: response 0x%04x, size %d, jiffies %lu\n",
+ respcmd, priv->upld_len, jiffies);
+ lbs_deb_hex(LBS_DEB_HOST, "CMD_RESP", (void *) resp, priv->upld_len);
+
+ if (!(respcmd & 0x8000)) {
+ lbs_deb_host("invalid response!\n");
+ priv->cur_cmd_retcode = -1;
+ __lbs_cleanup_and_insert_cmd(priv, priv->cur_cmd);
+ priv->cur_cmd = NULL;
+ spin_unlock_irqrestore(&priv->driver_lock, flags);
+ ret = -1;
+ goto done;
+ }
+
+ /* Store the response code to cur_cmd_retcode. */
+ priv->cur_cmd_retcode = result;
+
+ if (respcmd == CMD_RET(CMD_802_11_PS_MODE)) {
+ struct cmd_ds_802_11_ps_mode *psmode = (void *) resp;
+ u16 action = le16_to_cpu(psmode->action);
+
+ lbs_deb_host(
+ "CMD_RESP: PS_MODE cmd reply result 0x%x, action 0x%x\n",
+ result, action);
+
+ if (result) {
+ lbs_deb_host("CMD_RESP: PS command failed with 0x%x\n",
+ result);
+ /*
+ * We should not re-try enter-ps command in
+ * ad-hoc mode. It takes place in
+ * lbs_execute_next_command().
+ */
+ if (priv->mode == IW_MODE_ADHOC &&
+ action == CMD_SUBCMD_ENTER_PS)
+ priv->psmode = LBS802_11POWERMODECAM;
+ } else if (action == CMD_SUBCMD_ENTER_PS) {
+ priv->needtowakeup = 0;
+ priv->psstate = PS_STATE_AWAKE;
+
+ lbs_deb_host("CMD_RESP: ENTER_PS command response\n");
+ if (priv->connect_status != LBS_CONNECTED) {
+ /*
+ * When Deauth Event received before Enter_PS command
+ * response, We need to wake up the firmware.
+ */
+ lbs_deb_host(
+ "disconnected, invoking lbs_ps_wakeup\n");
+
+ spin_unlock_irqrestore(&priv->driver_lock, flags);
+ mutex_unlock(&priv->lock);
+ lbs_ps_wakeup(priv, 0);
+ mutex_lock(&priv->lock);
+ spin_lock_irqsave(&priv->driver_lock, flags);
+ }
+ } else if (action == CMD_SUBCMD_EXIT_PS) {
+ priv->needtowakeup = 0;
+ priv->psstate = PS_STATE_FULL_POWER;
+ lbs_deb_host("CMD_RESP: EXIT_PS command response\n");
+ } else {
+ lbs_deb_host("CMD_RESP: PS action 0x%X\n", action);
+ }
+
+ __lbs_cleanup_and_insert_cmd(priv, priv->cur_cmd);
+ priv->cur_cmd = NULL;
+ spin_unlock_irqrestore(&priv->driver_lock, flags);
+
+ ret = 0;
+ goto done;
+ }
+
+ /* If the command is not successful, cleanup and return failure */
+ if ((result != 0 || !(respcmd & 0x8000))) {
+ lbs_deb_host("CMD_RESP: error 0x%04x in command reply 0x%04x\n",
+ result, respcmd);
+ /*
+ * Handling errors here
+ */
+ switch (respcmd) {
+ case CMD_RET(CMD_GET_HW_SPEC):
+ case CMD_RET(CMD_802_11_RESET):
+ lbs_deb_host("CMD_RESP: reset failed\n");
+ break;
+
+ }
+
+ __lbs_cleanup_and_insert_cmd(priv, priv->cur_cmd);
+ priv->cur_cmd = NULL;
+ spin_unlock_irqrestore(&priv->driver_lock, flags);
+
+ ret = -1;
+ goto done;
+ }
+
+ spin_unlock_irqrestore(&priv->driver_lock, flags);
+
+ if (priv->cur_cmd && priv->cur_cmd->callback) {
+ ret = priv->cur_cmd->callback(priv, priv->cur_cmd->callback_arg,
+ resp);
+ } else
+ ret = handle_cmd_response(priv, 0, resp);
+
+ spin_lock_irqsave(&priv->driver_lock, flags);
+
+ if (priv->cur_cmd) {
+ /* Clean up and Put current command back to cmdfreeq */
+ __lbs_cleanup_and_insert_cmd(priv, priv->cur_cmd);
+ priv->cur_cmd = NULL;
+ }
+ spin_unlock_irqrestore(&priv->driver_lock, flags);
+
+done:
+ mutex_unlock(&priv->lock);
+ lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
+ return ret;
+}
+
+int lbs_process_event(struct lbs_private *priv)
+{
+ int ret = 0;
+ u32 eventcause;
+
+ lbs_deb_enter(LBS_DEB_CMD);
+
+ spin_lock_irq(&priv->driver_lock);
+ eventcause = priv->eventcause >> SBI_EVENT_CAUSE_SHIFT;
+ spin_unlock_irq(&priv->driver_lock);
+
+ lbs_deb_cmd("event cause %d\n", eventcause);
+
+ switch (eventcause) {
+ case MACREG_INT_CODE_LINK_SENSED:
+ lbs_deb_cmd("EVENT: MACREG_INT_CODE_LINK_SENSED\n");
+ break;
+
+ case MACREG_INT_CODE_DEAUTHENTICATED:
+ lbs_deb_cmd("EVENT: deauthenticated\n");
+ lbs_mac_event_disconnected(priv);
+ break;
+
+ case MACREG_INT_CODE_DISASSOCIATED:
+ lbs_deb_cmd("EVENT: disassociated\n");
+ lbs_mac_event_disconnected(priv);
+ break;
+
+ case MACREG_INT_CODE_LINK_LOST_NO_SCAN:
+ lbs_deb_cmd("EVENT: link lost\n");
+ lbs_mac_event_disconnected(priv);
+ break;
+
+ case MACREG_INT_CODE_PS_SLEEP:
+ lbs_deb_cmd("EVENT: sleep\n");
+
+ /* handle unexpected PS SLEEP event */
+ if (priv->psstate == PS_STATE_FULL_POWER) {
+ lbs_deb_cmd(
+ "EVENT: in FULL POWER mode, ignoreing PS_SLEEP\n");
+ break;
+ }
+ priv->psstate = PS_STATE_PRE_SLEEP;
+
+ lbs_ps_confirm_sleep(priv, (u16) priv->psmode);
+
+ break;
+
+ case MACREG_INT_CODE_PS_AWAKE:
+ lbs_deb_cmd("EVENT: awake\n");
+
+ /* handle unexpected PS AWAKE event */
+ if (priv->psstate == PS_STATE_FULL_POWER) {
+ lbs_deb_cmd(
+ "EVENT: In FULL POWER mode - ignore PS AWAKE\n");
+ break;
+ }
+
+ priv->psstate = PS_STATE_AWAKE;
+
+ if (priv->needtowakeup) {
+ /*
+ * wait for the command processing to finish
+ * before resuming sending
+ * priv->needtowakeup will be set to FALSE
+ * in lbs_ps_wakeup()
+ */
+ lbs_deb_cmd("waking up ...\n");
+ lbs_ps_wakeup(priv, 0);
+ }
+ break;
+
+ case MACREG_INT_CODE_MIC_ERR_UNICAST:
+ lbs_deb_cmd("EVENT: UNICAST MIC ERROR\n");
+ handle_mic_failureevent(priv, MACREG_INT_CODE_MIC_ERR_UNICAST);
+ break;
+
+ case MACREG_INT_CODE_MIC_ERR_MULTICAST:
+ lbs_deb_cmd("EVENT: MULTICAST MIC ERROR\n");
+ handle_mic_failureevent(priv, MACREG_INT_CODE_MIC_ERR_MULTICAST);
+ break;
+ case MACREG_INT_CODE_MIB_CHANGED:
+ case MACREG_INT_CODE_INIT_DONE:
+ break;
+
+ case MACREG_INT_CODE_ADHOC_BCN_LOST:
+ lbs_deb_cmd("EVENT: ADHOC beacon lost\n");
+ break;
+
+ case MACREG_INT_CODE_RSSI_LOW:
+ lbs_pr_alert("EVENT: rssi low\n");
+ break;
+ case MACREG_INT_CODE_SNR_LOW:
+ lbs_pr_alert("EVENT: snr low\n");
+ break;
+ case MACREG_INT_CODE_MAX_FAIL:
+ lbs_pr_alert("EVENT: max fail\n");
+ break;
+ case MACREG_INT_CODE_RSSI_HIGH:
+ lbs_pr_alert("EVENT: rssi high\n");
+ break;
+ case MACREG_INT_CODE_SNR_HIGH:
+ lbs_pr_alert("EVENT: snr high\n");
+ break;
+
+ case MACREG_INT_CODE_MESH_AUTO_STARTED:
+ /* Ignore spurious autostart events if autostart is disabled */
+ if (!priv->mesh_autostart_enabled) {
+ lbs_pr_info("EVENT: MESH_AUTO_STARTED (ignoring)\n");
+ break;
+ }
+ lbs_pr_info("EVENT: MESH_AUTO_STARTED\n");
+ priv->mesh_connect_status = LBS_CONNECTED;
+ if (priv->mesh_open == 1) {
+ netif_wake_queue(priv->mesh_dev);
+ netif_carrier_on(priv->mesh_dev);
+ }
+ priv->mode = IW_MODE_ADHOC;
+ schedule_work(&priv->sync_channel);
+ break;
+
+ default:
+ lbs_pr_alert("EVENT: unknown event id %d\n", eventcause);
+ break;
+ }
+
+ spin_lock_irq(&priv->driver_lock);
+ priv->eventcause = 0;
+ spin_unlock_irq(&priv->driver_lock);
+
+ lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
+ return ret;
+}
projects / openwrt / svn-archive / archive.git / blobdiff