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[openwrt.git] / package / libertas / src / cmd.c
index 01d2349..4d06dec 100644 (file)
 #include "wext.h"
 #include "cmd.h"
 
-static void cleanup_cmdnode(struct cmd_ctrl_node *ptempnode);
 static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv);
 static void lbs_set_cmd_ctrl_node(struct lbs_private *priv,
                    struct cmd_ctrl_node *ptempnode,
-                   u16 wait_option, void *pdata_buf);
+                   void *pdata_buf);
 
 
 /**
@@ -56,7 +55,7 @@ int lbs_update_hw_spec(struct lbs_private *priv)
        memset(&cmd, 0, sizeof(cmd));
        cmd.hdr.size = cpu_to_le16(sizeof(cmd));
        memcpy(cmd.permanentaddr, priv->current_addr, ETH_ALEN);
-       ret = lbs_cmd_with_response(priv, CMD_GET_HW_SPEC, cmd);
+       ret = lbs_cmd_with_response(priv, CMD_GET_HW_SPEC, &cmd);
        if (ret)
                goto out;
 
@@ -111,6 +110,28 @@ out:
        return ret;
 }
 
+int lbs_host_sleep_cfg(struct lbs_private *priv, uint32_t criteria)
+{
+       struct cmd_ds_host_sleep cmd_config;
+       int ret;
+
+       cmd_config.hdr.size = cpu_to_le16(sizeof(cmd_config));
+       cmd_config.criteria = cpu_to_le32(criteria);
+       cmd_config.gpio = priv->wol_gpio;
+       cmd_config.gap = priv->wol_gap;
+
+       ret = lbs_cmd_with_response(priv, CMD_802_11_HOST_SLEEP_CFG, &cmd_config);
+       if (!ret) {
+               lbs_deb_cmd("Set WOL criteria to %x\n", criteria);
+               priv->wol_criteria = criteria;
+       } else {
+               lbs_pr_info("HOST_SLEEP_CFG failed %d\n", ret);
+       }
+
+       return ret;
+}
+EXPORT_SYMBOL_GPL(lbs_host_sleep_cfg);
+
 static int lbs_cmd_802_11_ps_mode(struct lbs_private *priv,
                                   struct cmd_ds_command *cmd,
                                   u16 cmd_action)
@@ -150,204 +171,160 @@ static int lbs_cmd_802_11_ps_mode(struct lbs_private *priv,
        return 0;
 }
 
-static int lbs_cmd_802_11_inactivity_timeout(struct lbs_private *priv,
-                                             struct cmd_ds_command *cmd,
-                                             u16 cmd_action, void *pdata_buf)
+int lbs_cmd_802_11_inactivity_timeout(struct lbs_private *priv,
+                                     uint16_t cmd_action, uint16_t *timeout)
 {
-       u16 *timeout = pdata_buf;
+       struct cmd_ds_802_11_inactivity_timeout cmd;
+       int ret;
 
        lbs_deb_enter(LBS_DEB_CMD);
 
-       cmd->command = cpu_to_le16(CMD_802_11_INACTIVITY_TIMEOUT);
-       cmd->size =
-           cpu_to_le16(sizeof(struct cmd_ds_802_11_inactivity_timeout)
-                            + S_DS_GEN);
+       cmd.hdr.command = cpu_to_le16(CMD_802_11_INACTIVITY_TIMEOUT);
+       cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 
-       cmd->params.inactivity_timeout.action = cpu_to_le16(cmd_action);
+       cmd.action = cpu_to_le16(cmd_action);
 
-       if (cmd_action)
-               cmd->params.inactivity_timeout.timeout = cpu_to_le16(*timeout);
+       if (cmd_action == CMD_ACT_SET)
+               cmd.timeout = cpu_to_le16(*timeout);
        else
-               cmd->params.inactivity_timeout.timeout = 0;
+               cmd.timeout = 0;
 
-       lbs_deb_leave(LBS_DEB_CMD);
+       ret = lbs_cmd_with_response(priv, CMD_802_11_INACTIVITY_TIMEOUT, &cmd);
+
+       if (!ret)
+               *timeout = le16_to_cpu(cmd.timeout);
+
+       lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
        return 0;
 }
 
-static int lbs_cmd_802_11_sleep_params(struct lbs_private *priv,
-                                       struct cmd_ds_command *cmd,
-                                       u16 cmd_action)
+int lbs_cmd_802_11_sleep_params(struct lbs_private *priv, uint16_t cmd_action,
+                               struct sleep_params *sp)
 {
-       struct cmd_ds_802_11_sleep_params *sp = &cmd->params.sleep_params;
+       struct cmd_ds_802_11_sleep_params cmd;
+       int ret;
 
        lbs_deb_enter(LBS_DEB_CMD);
 
-       cmd->size = cpu_to_le16((sizeof(struct cmd_ds_802_11_sleep_params)) +
-                               S_DS_GEN);
-       cmd->command = cpu_to_le16(CMD_802_11_SLEEP_PARAMS);
-
        if (cmd_action == CMD_ACT_GET) {
-               memset(&priv->sp, 0, sizeof(struct sleep_params));
-               memset(sp, 0, sizeof(struct cmd_ds_802_11_sleep_params));
-               sp->action = cpu_to_le16(cmd_action);
-       } else if (cmd_action == CMD_ACT_SET) {
-               sp->action = cpu_to_le16(cmd_action);
-               sp->error = cpu_to_le16(priv->sp.sp_error);
-               sp->offset = cpu_to_le16(priv->sp.sp_offset);
-               sp->stabletime = cpu_to_le16(priv->sp.sp_stabletime);
-               sp->calcontrol = (u8) priv->sp.sp_calcontrol;
-               sp->externalsleepclk = (u8) priv->sp.sp_extsleepclk;
-               sp->reserved = cpu_to_le16(priv->sp.sp_reserved);
+               memset(&cmd, 0, sizeof(cmd));
+       } else {
+               cmd.error = cpu_to_le16(sp->sp_error);
+               cmd.offset = cpu_to_le16(sp->sp_offset);
+               cmd.stabletime = cpu_to_le16(sp->sp_stabletime);
+               cmd.calcontrol = sp->sp_calcontrol;
+               cmd.externalsleepclk = sp->sp_extsleepclk;
+               cmd.reserved = cpu_to_le16(sp->sp_reserved);
+       }
+       cmd.hdr.size = cpu_to_le16(sizeof(cmd));
+       cmd.action = cpu_to_le16(cmd_action);
+
+       ret = lbs_cmd_with_response(priv, CMD_802_11_SLEEP_PARAMS, &cmd);
+
+       if (!ret) {
+               lbs_deb_cmd("error 0x%x, offset 0x%x, stabletime 0x%x, "
+                           "calcontrol 0x%x extsleepclk 0x%x\n",
+                           le16_to_cpu(cmd.error), le16_to_cpu(cmd.offset),
+                           le16_to_cpu(cmd.stabletime), cmd.calcontrol,
+                           cmd.externalsleepclk);
+
+               sp->sp_error = le16_to_cpu(cmd.error);
+               sp->sp_offset = le16_to_cpu(cmd.offset);
+               sp->sp_stabletime = le16_to_cpu(cmd.stabletime);
+               sp->sp_calcontrol = cmd.calcontrol;
+               sp->sp_extsleepclk = cmd.externalsleepclk;
+               sp->sp_reserved = le16_to_cpu(cmd.reserved);
        }
 
-       lbs_deb_leave(LBS_DEB_CMD);
+       lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
        return 0;
 }
 
-static int lbs_cmd_802_11_set_wep(struct lbs_private *priv,
-                                   struct cmd_ds_command *cmd,
-                                   u32 cmd_act,
-                                   void * pdata_buf)
+int lbs_cmd_802_11_set_wep(struct lbs_private *priv, uint16_t cmd_action,
+                          struct assoc_request *assoc)
 {
-       struct cmd_ds_802_11_set_wep *wep = &cmd->params.wep;
+       struct cmd_ds_802_11_set_wep cmd;
        int ret = 0;
-       struct assoc_request * assoc_req = pdata_buf;
 
        lbs_deb_enter(LBS_DEB_CMD);
 
-       cmd->command = cpu_to_le16(CMD_802_11_SET_WEP);
-       cmd->size = cpu_to_le16(sizeof(*wep) + S_DS_GEN);
+       cmd.hdr.command = cpu_to_le16(CMD_802_11_SET_WEP);
+       cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 
-       if (cmd_act == CMD_ACT_ADD) {
-               int i;
+       cmd.action = cpu_to_le16(cmd_action);
 
-               if (!assoc_req) {
-                       lbs_deb_cmd("Invalid association request!");
-                       ret = -1;
-                       goto done;
-               }
-
-               wep->action = cpu_to_le16(CMD_ACT_ADD);
+       if (cmd_action == CMD_ACT_ADD) {
+               int i;
 
                /* default tx key index */
-               wep->keyindex = cpu_to_le16((u16)(assoc_req->wep_tx_keyidx &
-                                                 (u32)CMD_WEP_KEY_INDEX_MASK));
+               cmd.keyindex = cpu_to_le16(assoc->wep_tx_keyidx &
+                                          CMD_WEP_KEY_INDEX_MASK);
 
                /* Copy key types and material to host command structure */
                for (i = 0; i < 4; i++) {
-                       struct enc_key * pkey = &assoc_req->wep_keys[i];
+                       struct enc_key *pkey = &assoc->wep_keys[i];
 
                        switch (pkey->len) {
                        case KEY_LEN_WEP_40:
-                               wep->keytype[i] = CMD_TYPE_WEP_40_BIT;
-                               memmove(&wep->keymaterial[i], pkey->key,
-                                       pkey->len);
+                               cmd.keytype[i] = CMD_TYPE_WEP_40_BIT;
+                               memmove(cmd.keymaterial[i], pkey->key, pkey->len);
                                lbs_deb_cmd("SET_WEP: add key %d (40 bit)\n", i);
                                break;
                        case KEY_LEN_WEP_104:
-                               wep->keytype[i] = CMD_TYPE_WEP_104_BIT;
-                               memmove(&wep->keymaterial[i], pkey->key,
-                                       pkey->len);
+                               cmd.keytype[i] = CMD_TYPE_WEP_104_BIT;
+                               memmove(cmd.keymaterial[i], pkey->key, pkey->len);
                                lbs_deb_cmd("SET_WEP: add key %d (104 bit)\n", i);
                                break;
                        case 0:
                                break;
                        default:
                                lbs_deb_cmd("SET_WEP: invalid key %d, length %d\n",
-                                      i, pkey->len);
+                                           i, pkey->len);
                                ret = -1;
                                goto done;
                                break;
                        }
                }
-       } else if (cmd_act == CMD_ACT_REMOVE) {
+       } else if (cmd_action == CMD_ACT_REMOVE) {
                /* ACT_REMOVE clears _all_ WEP keys */
-               wep->action = cpu_to_le16(CMD_ACT_REMOVE);
 
                /* default tx key index */
-               wep->keyindex = cpu_to_le16((u16)(priv->wep_tx_keyidx &
-                                                 (u32)CMD_WEP_KEY_INDEX_MASK));
+               cmd.keyindex = cpu_to_le16(priv->wep_tx_keyidx &
+                                          CMD_WEP_KEY_INDEX_MASK);
                lbs_deb_cmd("SET_WEP: remove key %d\n", priv->wep_tx_keyidx);
        }
 
-       ret = 0;
-
+       ret = lbs_cmd_with_response(priv, CMD_802_11_SET_WEP, &cmd);
 done:
        lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
        return ret;
 }
 
-static int lbs_cmd_802_11_enable_rsn(struct lbs_private *priv,
-                                     struct cmd_ds_command *cmd,
-                                     u16 cmd_action,
-                                     void * pdata_buf)
+int lbs_cmd_802_11_enable_rsn(struct lbs_private *priv, uint16_t cmd_action,
+                             uint16_t *enable)
 {
-       struct cmd_ds_802_11_enable_rsn *penableRSN = &cmd->params.enbrsn;
-       u32 * enable = pdata_buf;
+       struct cmd_ds_802_11_enable_rsn cmd;
+       int ret;
 
        lbs_deb_enter(LBS_DEB_CMD);
 
-       cmd->command = cpu_to_le16(CMD_802_11_ENABLE_RSN);
-       cmd->size = cpu_to_le16(sizeof(*penableRSN) + S_DS_GEN);
-       penableRSN->action = cpu_to_le16(cmd_action);
+       cmd.hdr.size = cpu_to_le16(sizeof(cmd));
+       cmd.action = cpu_to_le16(cmd_action);
 
        if (cmd_action == CMD_ACT_SET) {
                if (*enable)
-                       penableRSN->enable = cpu_to_le16(CMD_ENABLE_RSN);
+                       cmd.enable = cpu_to_le16(CMD_ENABLE_RSN);
                else
-                       penableRSN->enable = cpu_to_le16(CMD_DISABLE_RSN);
+                       cmd.enable = cpu_to_le16(CMD_DISABLE_RSN);
                lbs_deb_cmd("ENABLE_RSN: %d\n", *enable);
        }
 
-       lbs_deb_leave(LBS_DEB_CMD);
-       return 0;
-}
-
-
-static ssize_t lbs_tlv_size(const u8 *tlv, u16 size)
-{
-       ssize_t pos = 0;
-       struct mrvlietypesheader *tlv_h;
-       while (pos < size) {
-               u16 length;
-               tlv_h = (struct mrvlietypesheader *) tlv;
-               if (tlv_h->len == 0)
-                       return pos;
-               length = le16_to_cpu(tlv_h->len) +
-                       sizeof(struct mrvlietypesheader);
-               pos += length;
-               tlv += length;
-       }
-       return pos;
-}
-
-
-static void lbs_cmd_802_11_subscribe_event(struct lbs_private *priv,
-       struct cmd_ds_command *cmd, u16 cmd_action,
-       void *pdata_buf)
-{
-       struct cmd_ds_802_11_subscribe_event *events =
-               (struct cmd_ds_802_11_subscribe_event *) pdata_buf;
-
-       /* pdata_buf points to a struct cmd_ds_802_11_subscribe_event and room
-        * for various Marvell TLVs */
-
-       lbs_deb_enter(LBS_DEB_CMD);
-
-       cmd->size = cpu_to_le16(sizeof(*events)
-                       - sizeof(events->tlv)
-                       + S_DS_GEN);
-       cmd->params.subscribe_event.action = cpu_to_le16(cmd_action);
-       if (cmd_action == CMD_ACT_GET) {
-               cmd->params.subscribe_event.events = 0;
-       } else {
-               ssize_t sz = lbs_tlv_size(events->tlv, sizeof(events->tlv));
-               cmd->size = cpu_to_le16(le16_to_cpu(cmd->size) + sz);
-               cmd->params.subscribe_event.events = events->events;
-               memcpy(cmd->params.subscribe_event.tlv, events->tlv, sz);
-       }
+       ret = lbs_cmd_with_response(priv, CMD_802_11_ENABLE_RSN, &cmd);
+       if (!ret && cmd_action == CMD_ACT_GET)
+               *enable = le16_to_cpu(cmd.enable);
 
-       lbs_deb_leave(LBS_DEB_CMD);
+       lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
+       return ret;
 }
 
 static void set_one_wpa_key(struct MrvlIEtype_keyParamSet * pkeyparamset,
@@ -582,45 +559,6 @@ static int lbs_cmd_802_11_snmp_mib(struct lbs_private *priv,
        return 0;
 }
 
-static int lbs_cmd_802_11_radio_control(struct lbs_private *priv,
-                                        struct cmd_ds_command *cmd,
-                                        int cmd_action)
-{
-       struct cmd_ds_802_11_radio_control *pradiocontrol = &cmd->params.radio;
-
-       lbs_deb_enter(LBS_DEB_CMD);
-
-       cmd->size =
-           cpu_to_le16((sizeof(struct cmd_ds_802_11_radio_control)) +
-                            S_DS_GEN);
-       cmd->command = cpu_to_le16(CMD_802_11_RADIO_CONTROL);
-
-       pradiocontrol->action = cpu_to_le16(cmd_action);
-
-       switch (priv->preamble) {
-       case CMD_TYPE_SHORT_PREAMBLE:
-               pradiocontrol->control = cpu_to_le16(SET_SHORT_PREAMBLE);
-               break;
-
-       case CMD_TYPE_LONG_PREAMBLE:
-               pradiocontrol->control = cpu_to_le16(SET_LONG_PREAMBLE);
-               break;
-
-       case CMD_TYPE_AUTO_PREAMBLE:
-       default:
-               pradiocontrol->control = cpu_to_le16(SET_AUTO_PREAMBLE);
-               break;
-       }
-
-       if (priv->radioon)
-               pradiocontrol->control |= cpu_to_le16(TURN_ON_RF);
-       else
-               pradiocontrol->control &= cpu_to_le16(~TURN_ON_RF);
-
-       lbs_deb_leave(LBS_DEB_CMD);
-       return 0;
-}
-
 static int lbs_cmd_802_11_rf_tx_power(struct lbs_private *priv,
                                       struct cmd_ds_command *cmd,
                                       u16 cmd_action, void *pdata_buf)
@@ -724,7 +662,7 @@ int lbs_get_data_rate(struct lbs_private *priv)
        cmd.hdr.size = cpu_to_le16(sizeof(cmd));
        cmd.action = cpu_to_le16(CMD_ACT_GET_TX_RATE);
 
-       ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, cmd);
+       ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, &cmd);
        if (ret)
                goto out;
 
@@ -771,7 +709,7 @@ int lbs_set_data_rate(struct lbs_private *priv, u8 rate)
                lbs_deb_cmd("DATA_RATE: setting auto\n");
        }
 
-       ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, cmd);
+       ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, &cmd);
        if (ret)
                goto out;
 
@@ -827,7 +765,7 @@ int lbs_get_channel(struct lbs_private *priv)
        cmd.hdr.size = cpu_to_le16(sizeof(cmd));
        cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_GET);
 
-       ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, cmd);
+       ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd);
        if (ret)
                goto out;
 
@@ -859,7 +797,7 @@ int lbs_set_channel(struct lbs_private *priv, u8 channel)
        cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_SET);
        cmd.channel = cpu_to_le16(channel);
 
-       ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, cmd);
+       ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd);
        if (ret)
                goto out;
 
@@ -1081,33 +1019,36 @@ int lbs_mesh_access(struct lbs_private *priv, uint16_t cmd_action,
        lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
 
        cmd->hdr.command = cpu_to_le16(CMD_MESH_ACCESS);
-       cmd->hdr.size = cpu_to_le16(sizeof(struct cmd_ds_mesh_access) + S_DS_GEN);
+       cmd->hdr.size = cpu_to_le16(sizeof(*cmd));
        cmd->hdr.result = 0;
 
        cmd->action = cpu_to_le16(cmd_action);
 
-       ret = lbs_cmd_with_response(priv, CMD_MESH_ACCESS, (*cmd));
+       ret = lbs_cmd_with_response(priv, CMD_MESH_ACCESS, cmd);
 
        lbs_deb_leave(LBS_DEB_CMD);
        return ret;
 }
 EXPORT_SYMBOL_GPL(lbs_mesh_access);
 
-int lbs_mesh_config(struct lbs_private *priv, int enable)
+int lbs_mesh_config(struct lbs_private *priv, uint16_t enable, uint16_t chan)
 {
        struct cmd_ds_mesh_config cmd;
 
        memset(&cmd, 0, sizeof(cmd));
        cmd.action = cpu_to_le16(enable);
-       cmd.channel = cpu_to_le16(priv->curbssparams.channel);
-       cmd.type = cpu_to_le16(0x100 + 37);
-       
+       cmd.channel = cpu_to_le16(chan);
+       cmd.type = cpu_to_le16(priv->mesh_tlv);
+       cmd.hdr.size = cpu_to_le16(sizeof(cmd));
+
        if (enable) {
                cmd.length = cpu_to_le16(priv->mesh_ssid_len);
                memcpy(cmd.data, priv->mesh_ssid, priv->mesh_ssid_len);
        }
-
-       return lbs_cmd_with_response(priv, CMD_MESH_CONFIG, cmd);
+       lbs_deb_cmd("mesh config enable %d TLV %x channel %d SSID %s\n",
+                   enable, priv->mesh_tlv, chan,
+                   escape_essid(priv->mesh_ssid, priv->mesh_ssid_len));
+       return lbs_cmd_with_response(priv, CMD_MESH_CONFIG, &cmd);
 }
 
 static int lbs_cmd_bcn_ctrl(struct lbs_private * priv,
@@ -1131,26 +1072,27 @@ static int lbs_cmd_bcn_ctrl(struct lbs_private * priv,
        return 0;
 }
 
-/*
- * Note: NEVER use lbs_queue_cmd() with addtail==0 other than for
- * the command timer, because it does not account for queued commands.
- */
-void lbs_queue_cmd(struct lbs_private *priv,
-       struct cmd_ctrl_node *cmdnode,
-       u8 addtail)
+static void lbs_queue_cmd(struct lbs_private *priv,
+                         struct cmd_ctrl_node *cmdnode)
 {
        unsigned long flags;
+       int addtail = 1;
 
        lbs_deb_enter(LBS_DEB_HOST);
 
-       if (!cmdnode || !cmdnode->cmdbuf) {
-               lbs_deb_host("QUEUE_CMD: cmdnode or cmdbuf is NULL\n");
+       if (!cmdnode) {
+               lbs_deb_host("QUEUE_CMD: cmdnode is NULL\n");
+               goto done;
+       }
+       if (!cmdnode->cmdbuf->size) {
+               lbs_deb_host("DNLD_CMD: cmd size is zero\n");
                goto done;
        }
+       cmdnode->result = 0;
 
        /* Exit_PS command needs to be queued in the header always. */
        if (le16_to_cpu(cmdnode->cmdbuf->command) == CMD_802_11_PS_MODE) {
-               struct cmd_ds_802_11_ps_mode *psm = (void *) cmdnode->cmdbuf;
+               struct cmd_ds_802_11_ps_mode *psm = (void *) &cmdnode->cmdbuf[1];
 
                if (psm->action == cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
                        if (priv->psstate != PS_STATE_FULL_POWER)
@@ -1168,45 +1110,27 @@ void lbs_queue_cmd(struct lbs_private *priv,
        spin_unlock_irqrestore(&priv->driver_lock, flags);
 
        lbs_deb_host("QUEUE_CMD: inserted command 0x%04x into cmdpendingq\n",
-              le16_to_cpu(cmdnode->cmdbuf->command));
+                    le16_to_cpu(cmdnode->cmdbuf->command));
 
 done:
        lbs_deb_leave(LBS_DEB_HOST);
 }
 
-/*
- * TODO: Fix the issue when DownloadcommandToStation is being called the
- * second time when the command times out. All the cmdptr->xxx are in little
- * endian and therefore all the comparissions will fail.
- * For now - we are not performing the endian conversion the second time - but
- * for PS and DEEP_SLEEP we need to worry
- */
-static int DownloadcommandToStation(struct lbs_private *priv,
-                                   struct cmd_ctrl_node *cmdnode)
+static void lbs_submit_command(struct lbs_private *priv,
+                              struct cmd_ctrl_node *cmdnode)
 {
        unsigned long flags;
        struct cmd_header *cmd;
-       int ret = -1;
-       u16 cmdsize;
-       u16 command;
+       uint16_t cmdsize;
+       uint16_t command;
+       int timeo = 5 * HZ;
+       int ret;
 
        lbs_deb_enter(LBS_DEB_HOST);
 
-       if (!priv || !cmdnode) {
-               lbs_deb_host("DNLD_CMD: priv or cmdmode is NULL\n");
-               goto done;
-       }
-
        cmd = cmdnode->cmdbuf;
 
        spin_lock_irqsave(&priv->driver_lock, flags);
-       if (!cmd || !cmd->size) {
-               lbs_deb_host("DNLD_CMD: cmdptr is NULL or zero\n");
-               __lbs_cleanup_and_insert_cmd(priv, cmdnode);
-               spin_unlock_irqrestore(&priv->driver_lock, flags);
-               goto done;
-       }
-
        priv->cur_cmd = cmdnode;
        priv->cur_cmd_retcode = 0;
        spin_unlock_irqrestore(&priv->driver_lock, flags);
@@ -1214,38 +1138,30 @@ static int DownloadcommandToStation(struct lbs_private *priv,
        cmdsize = le16_to_cpu(cmd->size);
        command = le16_to_cpu(cmd->command);
 
-       lbs_deb_host("DNLD_CMD: command 0x%04x, size %d, jiffies %lu\n",
-                   command, cmdsize, jiffies);
-       lbs_deb_hex(LBS_DEB_HOST, "DNLD_CMD", (void *) cmdnode->cmdbuf, cmdsize);
+       /* These commands take longer */
+       if (command == CMD_802_11_SCAN || command == CMD_802_11_ASSOCIATE ||
+           command == CMD_802_11_AUTHENTICATE)
+               timeo = 10 * HZ;
 
-       cmdnode->cmdwaitqwoken = 0;
+       lbs_deb_host("DNLD_CMD: command 0x%04x, seq %d, size %d, jiffies %lu\n",
+                    command, le16_to_cpu(cmd->seqnum), cmdsize, jiffies);
+       lbs_deb_hex(LBS_DEB_HOST, "DNLD_CMD", (void *) cmdnode->cmdbuf, cmdsize);
 
        ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmd, cmdsize);
 
-       if (ret != 0) {
-               lbs_deb_host("DNLD_CMD: hw_host_to_card failed\n");
-               spin_lock_irqsave(&priv->driver_lock, flags);
-               priv->cur_cmd_retcode = ret;
-               __lbs_cleanup_and_insert_cmd(priv, priv->cur_cmd);
-               priv->cur_cmd = NULL;
-               spin_unlock_irqrestore(&priv->driver_lock, flags);
-               goto done;
-       }
-
-       lbs_deb_cmd("DNLD_CMD: sent command 0x%04x, jiffies %lu\n", command, jiffies);
+       if (ret) {
+               lbs_pr_info("DNLD_CMD: hw_host_to_card failed: %d\n", ret);
+               /* Let the timer kick in and retry, and potentially reset
+                  the whole thing if the condition persists */
+               timeo = HZ;
+       } else
+               lbs_deb_cmd("DNLD_CMD: sent command 0x%04x, jiffies %lu\n",
+                           command, jiffies);
 
        /* Setup the timer after transmit command */
-       if (command == CMD_802_11_SCAN || command == CMD_802_11_AUTHENTICATE
-           || command == CMD_802_11_ASSOCIATE)
-               mod_timer(&priv->command_timer, jiffies + (10*HZ));
-       else
-               mod_timer(&priv->command_timer, jiffies + (5*HZ));
-
-       ret = 0;
+       mod_timer(&priv->command_timer, jiffies + timeo);
 
-done:
-       lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
-       return ret;
+       lbs_deb_leave(LBS_DEB_HOST);
 }
 
 static int lbs_cmd_mac_control(struct lbs_private *priv,
@@ -1270,15 +1186,22 @@ static int lbs_cmd_mac_control(struct lbs_private *priv,
  *  This function inserts command node to cmdfreeq
  *  after cleans it. Requires priv->driver_lock held.
  */
-void __lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
-       struct cmd_ctrl_node *ptempcmd)
+static void __lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
+                                        struct cmd_ctrl_node *cmdnode)
 {
+       lbs_deb_enter(LBS_DEB_HOST);
 
-       if (!ptempcmd)
-               return;
+       if (!cmdnode)
+               goto out;
 
-       cleanup_cmdnode(ptempcmd);
-       list_add_tail(&ptempcmd->list, &priv->cmdfreeq);
+       cmdnode->callback = NULL;
+       cmdnode->callback_arg = 0;
+
+       memset(cmdnode->cmdbuf, 0, LBS_CMD_BUFFER_SIZE);
+
+       list_add_tail(&cmdnode->list, &priv->cmdfreeq);
+ out:
+       lbs_deb_leave(LBS_DEB_HOST);
 }
 
 static void lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
@@ -1291,19 +1214,55 @@ static void lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
        spin_unlock_irqrestore(&priv->driver_lock, flags);
 }
 
+void lbs_complete_command(struct lbs_private *priv, struct cmd_ctrl_node *cmd,
+                         int result)
+{
+       if (cmd == priv->cur_cmd)
+               priv->cur_cmd_retcode = result;
+
+       cmd->result = result;
+       cmd->cmdwaitqwoken = 1;
+       wake_up_interruptible(&cmd->cmdwait_q);
+
+       if (!cmd->callback)
+               __lbs_cleanup_and_insert_cmd(priv, cmd);
+       priv->cur_cmd = NULL;
+}
+
 int lbs_set_radio_control(struct lbs_private *priv)
 {
        int ret = 0;
+       struct cmd_ds_802_11_radio_control cmd;
 
        lbs_deb_enter(LBS_DEB_CMD);
 
-       ret = lbs_prepare_and_send_command(priv,
-                                   CMD_802_11_RADIO_CONTROL,
-                                   CMD_ACT_SET,
-                                   CMD_OPTION_WAITFORRSP, 0, NULL);
+       cmd.hdr.size = cpu_to_le16(sizeof(cmd));
+       cmd.action = cpu_to_le16(CMD_ACT_SET);
 
-       lbs_deb_cmd("RADIO_SET: radio %d, preamble %d\n",
-              priv->radioon, priv->preamble);
+       switch (priv->preamble) {
+       case CMD_TYPE_SHORT_PREAMBLE:
+               cmd.control = cpu_to_le16(SET_SHORT_PREAMBLE);
+               break;
+
+       case CMD_TYPE_LONG_PREAMBLE:
+               cmd.control = cpu_to_le16(SET_LONG_PREAMBLE);
+               break;
+
+       case CMD_TYPE_AUTO_PREAMBLE:
+       default:
+               cmd.control = cpu_to_le16(SET_AUTO_PREAMBLE);
+               break;
+       }
+
+       if (priv->radioon)
+               cmd.control |= cpu_to_le16(TURN_ON_RF);
+       else
+               cmd.control &= cpu_to_le16(~TURN_ON_RF);
+
+       lbs_deb_cmd("RADIO_SET: radio %d, preamble %d\n", priv->radioon,
+                   priv->preamble);
+
+       ret = lbs_cmd_with_response(priv, CMD_802_11_RADIO_CONTROL, &cmd);
 
        lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
        return ret;
@@ -1369,19 +1328,12 @@ int lbs_prepare_and_send_command(struct lbs_private *priv,
                goto done;
        }
 
-       lbs_set_cmd_ctrl_node(priv, cmdnode, wait_option, pdata_buf);
+       lbs_set_cmd_ctrl_node(priv, cmdnode, pdata_buf);
 
        cmdptr = (struct cmd_ds_command *)cmdnode->cmdbuf;
 
        lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no);
 
-       if (!cmdptr) {
-               lbs_deb_host("PREP_CMD: cmdptr is NULL\n");
-               lbs_cleanup_and_insert_cmd(priv, cmdnode);
-               ret = -1;
-               goto done;
-       }
-
        /* Set sequence number, command and INT option */
        priv->seqnum++;
        cmdptr->seqnum = cpu_to_le16(priv->seqnum);
@@ -1411,10 +1363,6 @@ int lbs_prepare_and_send_command(struct lbs_private *priv,
                ret = lbs_cmd_80211_deauthenticate(priv, cmdptr);
                break;
 
-       case CMD_802_11_SET_WEP:
-               ret = lbs_cmd_802_11_set_wep(priv, cmdptr, cmd_action, pdata_buf);
-               break;
-
        case CMD_802_11_AD_HOC_START:
                ret = lbs_cmd_80211_ad_hoc_start(priv, cmdptr, pdata_buf);
                break;
@@ -1453,10 +1401,6 @@ int lbs_prepare_and_send_command(struct lbs_private *priv,
                                                  cmd_action, pdata_buf);
                break;
 
-       case CMD_802_11_RADIO_CONTROL:
-               ret = lbs_cmd_802_11_radio_control(priv, cmdptr, cmd_action);
-               break;
-
        case CMD_802_11_RATE_ADAPT_RATESET:
                ret = lbs_cmd_802_11_rate_adapt_rateset(priv,
                                                         cmdptr, cmd_action);
@@ -1483,11 +1427,6 @@ int lbs_prepare_and_send_command(struct lbs_private *priv,
                ret = lbs_cmd_80211_ad_hoc_stop(priv, cmdptr);
                break;
 
-       case CMD_802_11_ENABLE_RSN:
-               ret = lbs_cmd_802_11_enable_rsn(priv, cmdptr, cmd_action,
-                               pdata_buf);
-               break;
-
        case CMD_802_11_KEY_MATERIAL:
                ret = lbs_cmd_802_11_key_material(priv, cmdptr, cmd_action,
                                cmd_oid, pdata_buf);
@@ -1525,15 +1464,6 @@ int lbs_prepare_and_send_command(struct lbs_private *priv,
                                                   cmd_no, cmd_action);
                break;
 
-       case CMD_802_11_SLEEP_PARAMS:
-               ret = lbs_cmd_802_11_sleep_params(priv, cmdptr, cmd_action);
-               break;
-       case CMD_802_11_INACTIVITY_TIMEOUT:
-               ret = lbs_cmd_802_11_inactivity_timeout(priv, cmdptr,
-                                                        cmd_action, pdata_buf);
-               lbs_set_cmd_ctrl_node(priv, cmdnode, 0, pdata_buf);
-               break;
-
        case CMD_802_11_TPC_CFG:
                cmdptr->command = cpu_to_le16(CMD_802_11_TPC_CFG);
                cmdptr->size =
@@ -1568,10 +1498,7 @@ int lbs_prepare_and_send_command(struct lbs_private *priv,
                        ret = 0;
                        break;
                }
-       case CMD_802_11_SUBSCRIBE_EVENT:
-               lbs_cmd_802_11_subscribe_event(priv, cmdptr,
-                       cmd_action, pdata_buf);
-               break;
+
        case CMD_802_11_PWR_CFG:
                cmdptr->command = cpu_to_le16(CMD_802_11_PWR_CFG);
                cmdptr->size =
@@ -1615,7 +1542,7 @@ int lbs_prepare_and_send_command(struct lbs_private *priv,
 
        cmdnode->cmdwaitqwoken = 0;
 
-       lbs_queue_cmd(priv, cmdnode, 1);
+       lbs_queue_cmd(priv, cmdnode);
        wake_up_interruptible(&priv->waitq);
 
        if (wait_option & CMD_OPTION_WAITFORRSP) {
@@ -1756,9 +1683,6 @@ static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv)
 
        spin_unlock_irqrestore(&priv->driver_lock, flags);
 
-       if (tempnode)
-               cleanup_cmdnode(tempnode);
-
        lbs_deb_leave(LBS_DEB_HOST);
        return tempnode;
 }
@@ -1769,47 +1693,26 @@ static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv)
  *  @param ptempnode   A pointer to cmdCtrlNode structure
  *  @return            n/a
  */
-static void cleanup_cmdnode(struct cmd_ctrl_node *cmdnode)
-{
-       lbs_deb_enter(LBS_DEB_HOST);
-
-       if (!cmdnode)
-               return;
-       cmdnode->cmdwaitqwoken = 1;
-       wake_up_interruptible(&cmdnode->cmdwait_q);
-       cmdnode->wait_option = 0;
-       cmdnode->pdata_buf = NULL;
-       cmdnode->callback = NULL;
-       cmdnode->callback_arg = 0;
-
-       if (cmdnode->cmdbuf != NULL)
-               memset(cmdnode->cmdbuf, 0, LBS_CMD_BUFFER_SIZE);
-
-       lbs_deb_leave(LBS_DEB_HOST);
-}
 
 /**
  *  @brief This function initializes the command node.
  *
  *  @param priv                A pointer to struct lbs_private structure
  *  @param ptempnode   A pointer to cmd_ctrl_node structure
- *  @param wait_option wait option: wait response or not
  *  @param pdata_buf   A pointer to informaion buffer
  *  @return            0 or -1
  */
 static void lbs_set_cmd_ctrl_node(struct lbs_private *priv,
                                  struct cmd_ctrl_node *ptempnode,
-                                 u16 wait_option, void *pdata_buf)
+                                 void *pdata_buf)
 {
        lbs_deb_enter(LBS_DEB_HOST);
 
        if (!ptempnode)
                return;
 
-       ptempnode->wait_option = wait_option;
-       ptempnode->pdata_buf = pdata_buf;
        ptempnode->callback = NULL;
-       ptempnode->callback_arg = 0;
+       ptempnode->callback_arg = (unsigned long)pdata_buf;
 
        lbs_deb_leave(LBS_DEB_HOST);
 }
@@ -1897,7 +1800,7 @@ int lbs_execute_next_command(struct lbs_private *priv)
                                 * PS command. Ignore it if it is not Exit_PS.
                                 * otherwise send it down immediately.
                                 */
-                               struct cmd_ds_802_11_ps_mode *psm = (void *)cmd;
+                               struct cmd_ds_802_11_ps_mode *psm = (void *)&cmd[1];
 
                                lbs_deb_host(
                                       "EXEC_NEXT_CMD: PS cmd, action 0x%02x\n",
@@ -1907,7 +1810,9 @@ int lbs_execute_next_command(struct lbs_private *priv)
                                        lbs_deb_host(
                                               "EXEC_NEXT_CMD: ignore ENTER_PS cmd\n");
                                        list_del(&cmdnode->list);
-                                       lbs_cleanup_and_insert_cmd(priv, cmdnode);
+                                       spin_lock_irqsave(&priv->driver_lock, flags);
+                                       lbs_complete_command(priv, cmdnode, 0);
+                                       spin_unlock_irqrestore(&priv->driver_lock, flags);
 
                                        ret = 0;
                                        goto done;
@@ -1918,7 +1823,9 @@ int lbs_execute_next_command(struct lbs_private *priv)
                                        lbs_deb_host(
                                               "EXEC_NEXT_CMD: ignore EXIT_PS cmd in sleep\n");
                                        list_del(&cmdnode->list);
-                                       lbs_cleanup_and_insert_cmd(priv, cmdnode);
+                                       spin_lock_irqsave(&priv->driver_lock, flags);
+                                       lbs_complete_command(priv, cmdnode, 0);
+                                       spin_unlock_irqrestore(&priv->driver_lock, flags);
                                        priv->needtowakeup = 1;
 
                                        ret = 0;
@@ -1932,7 +1839,7 @@ int lbs_execute_next_command(struct lbs_private *priv)
                list_del(&cmdnode->list);
                lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n",
                            le16_to_cpu(cmd->command));
-               DownloadcommandToStation(priv, cmdnode);
+               lbs_submit_command(priv, cmdnode);
        } else {
                /*
                 * check if in power save mode, if yes, put the device back
@@ -2004,7 +1911,6 @@ static int sendconfirmsleep(struct lbs_private *priv, u8 *cmdptr, u16 size)
        lbs_deb_hex(LBS_DEB_HOST, "sleep confirm command", cmdptr, size);
 
        ret = priv->hw_host_to_card(priv, MVMS_CMD, cmdptr, size);
-       priv->dnld_sent = DNLD_RES_RECEIVED;
 
        spin_lock_irqsave(&priv->driver_lock, flags);
        if (priv->intcounter || priv->currenttxskb)
@@ -2086,17 +1992,17 @@ void lbs_ps_confirm_sleep(struct lbs_private *priv, u16 psmode)
 
        if (priv->dnld_sent) {
                allowed = 0;
-               lbs_deb_host("dnld_sent was set");
+               lbs_deb_host("dnld_sent was set\n");
        }
 
        spin_lock_irqsave(&priv->driver_lock, flags);
        if (priv->cur_cmd) {
                allowed = 0;
-               lbs_deb_host("cur_cmd was set");
+               lbs_deb_host("cur_cmd was set\n");
        }
        if (priv->intcounter > 0) {
                allowed = 0;
-               lbs_deb_host("intcounter %d", priv->intcounter);
+               lbs_deb_host("intcounter %d\n", priv->intcounter);
        }
        spin_unlock_irqrestore(&priv->driver_lock, flags);
 
@@ -2139,43 +2045,20 @@ int lbs_cmd_copyback(struct lbs_private *priv, unsigned long extra,
        lbs_deb_leave(LBS_DEB_CMD);
        return 0;
 }
+EXPORT_SYMBOL_GPL(lbs_cmd_copyback);
 
-/**
- *  @brief Simple way to call firmware functions
- *
- *  @param priv        A pointer to struct lbs_private structure
- *  @param psmode      one of the many CMD_802_11_xxxx
- *  @param cmd          pointer to the parameters structure for above command
- *                      (this should not include the command, size, sequence
- *                      and result fields from struct cmd_ds_gen)
- *  @param cmd_size     size structure pointed to by cmd
- *  @param rsp          pointer to an area where the result should be placed
- *  @param rsp_size     pointer to the size of the rsp area. If the firmware
- *                      returns fewer bytes, then this *rsp_size will be
- *                      changed to the actual size.
- *  @return            -1 in case of a higher level error, otherwise
- *                      the result code from the firmware
- */
-int __lbs_cmd(struct lbs_private *priv, uint16_t command,
-             struct cmd_header *in_cmd, int in_cmd_size,
-             int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
-             unsigned long callback_arg)
+struct cmd_ctrl_node *__lbs_cmd_async(struct lbs_private *priv, uint16_t command,
+                                     struct cmd_header *in_cmd, int in_cmd_size,
+                                     int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
+                                     unsigned long callback_arg)
 {
        struct cmd_ctrl_node *cmdnode;
-       unsigned long flags;
-       int ret = 0;
 
        lbs_deb_enter(LBS_DEB_HOST);
 
-       if (!priv) {
-               lbs_deb_host("PREP_CMD: priv is NULL\n");
-               ret = -1;
-               goto done;
-       }
-
        if (priv->surpriseremoved) {
                lbs_deb_host("PREP_CMD: card removed\n");
-               ret = -1;
+               cmdnode = ERR_PTR(-ENOENT);
                goto done;
        }
 
@@ -2185,11 +2068,10 @@ int __lbs_cmd(struct lbs_private *priv, uint16_t command,
 
                /* Wake up main thread to execute next command */
                wake_up_interruptible(&priv->waitq);
-               ret = -1;
+               cmdnode = ERR_PTR(-ENOBUFS);
                goto done;
        }
 
-       cmdnode->wait_option = CMD_OPTION_WAITFORRSP;
        cmdnode->callback = callback;
        cmdnode->callback_arg = callback_arg;
 
@@ -2209,19 +2091,42 @@ int __lbs_cmd(struct lbs_private *priv, uint16_t command,
         * because the caller of lbs_cmd() sets up all of *cmd for us. */
 
        cmdnode->cmdwaitqwoken = 0;
-       lbs_queue_cmd(priv, cmdnode, 1);
+       lbs_queue_cmd(priv, cmdnode);
        wake_up_interruptible(&priv->waitq);
 
+ done:
+       lbs_deb_leave_args(LBS_DEB_HOST, "ret %p", cmdnode);
+       return cmdnode;
+}
+
+int __lbs_cmd(struct lbs_private *priv, uint16_t command,
+             struct cmd_header *in_cmd, int in_cmd_size,
+             int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
+             unsigned long callback_arg)
+{
+       struct cmd_ctrl_node *cmdnode;
+       unsigned long flags;
+       int ret = 0;
+
+       lbs_deb_enter(LBS_DEB_HOST);
+
+       cmdnode = __lbs_cmd_async(priv, command, in_cmd, in_cmd_size,
+                                 callback, callback_arg);
+       if (IS_ERR(cmdnode)) {
+               ret = PTR_ERR(cmdnode);
+               goto done;
+       }
+
        might_sleep();
        wait_event_interruptible(cmdnode->cmdwait_q, cmdnode->cmdwaitqwoken);
 
        spin_lock_irqsave(&priv->driver_lock, flags);
-       if (priv->cur_cmd_retcode) {
-               lbs_deb_host("PREP_CMD: command failed with return code %d\n",
-                      priv->cur_cmd_retcode);
-               priv->cur_cmd_retcode = 0;
-               ret = -1;
-       }
+       ret = cmdnode->result;
+       if (ret)
+               lbs_pr_info("PREP_CMD: command 0x%04x failed: %d\n",
+                           command, ret);
+
+       __lbs_cleanup_and_insert_cmd(priv, cmdnode);
        spin_unlock_irqrestore(&priv->driver_lock, flags);
 
 done:
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