* adding network config for olpc * adding libertas * config issue * quiet mode for...
[openwrt/staging/florian.git] / package / libertas / src / cmd.c
diff --git a/package/libertas/src/cmd.c b/package/libertas/src/cmd.c
new file mode 100644 (file)
index 0000000..01d2349
--- /dev/null
@@ -0,0 +1,2233 @@
+/**
+  * This file contains the handling of command.
+  * It prepares command and sends it to firmware when it is ready.
+  */
+
+#include <net/iw_handler.h>
+#include "host.h"
+#include "hostcmd.h"
+#include "decl.h"
+#include "defs.h"
+#include "dev.h"
+#include "join.h"
+#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);
+
+
+/**
+ *  @brief Checks whether a command is allowed in Power Save mode
+ *
+ *  @param command the command ID
+ *  @return       1 if allowed, 0 if not allowed
+ */
+static u8 is_command_allowed_in_ps(u16 cmd)
+{
+       switch (cmd) {
+       case CMD_802_11_RSSI:
+               return 1;
+       default:
+               break;
+       }
+       return 0;
+}
+
+/**
+ *  @brief Updates the hardware details like MAC address and regulatory region
+ *
+ *  @param priv        A pointer to struct lbs_private structure
+ *
+ *  @return            0 on success, error on failure
+ */
+int lbs_update_hw_spec(struct lbs_private *priv)
+{
+       struct cmd_ds_get_hw_spec cmd;
+       int ret = -1;
+       u32 i;
+       DECLARE_MAC_BUF(mac);
+
+       lbs_deb_enter(LBS_DEB_CMD);
+
+       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);
+       if (ret)
+               goto out;
+
+       priv->fwcapinfo = le32_to_cpu(cmd.fwcapinfo);
+       memcpy(priv->fwreleasenumber, cmd.fwreleasenumber, 4);
+
+       lbs_deb_cmd("GET_HW_SPEC: firmware release %u.%u.%up%u\n",
+                   priv->fwreleasenumber[2], priv->fwreleasenumber[1],
+                   priv->fwreleasenumber[0], priv->fwreleasenumber[3]);
+       lbs_deb_cmd("GET_HW_SPEC: MAC addr %s\n",
+                   print_mac(mac, cmd.permanentaddr));
+       lbs_deb_cmd("GET_HW_SPEC: hardware interface 0x%x, hardware spec 0x%04x\n",
+                   cmd.hwifversion, cmd.version);
+
+       /* Clamp region code to 8-bit since FW spec indicates that it should
+        * only ever be 8-bit, even though the field size is 16-bit.  Some firmware
+        * returns non-zero high 8 bits here.
+        */
+       priv->regioncode = le16_to_cpu(cmd.regioncode) & 0xFF;
+
+       for (i = 0; i < MRVDRV_MAX_REGION_CODE; i++) {
+               /* use the region code to search for the index */
+               if (priv->regioncode == lbs_region_code_to_index[i])
+                       break;
+       }
+
+       /* if it's unidentified region code, use the default (USA) */
+       if (i >= MRVDRV_MAX_REGION_CODE) {
+               priv->regioncode = 0x10;
+               lbs_pr_info("unidentified region code; using the default (USA)\n");
+       }
+
+       if (priv->current_addr[0] == 0xff)
+               memmove(priv->current_addr, cmd.permanentaddr, ETH_ALEN);
+
+       memcpy(priv->dev->dev_addr, priv->current_addr, ETH_ALEN);
+       if (priv->mesh_dev)
+               memcpy(priv->mesh_dev->dev_addr, priv->current_addr, ETH_ALEN);
+
+       if (lbs_set_regiontable(priv, priv->regioncode, 0)) {
+               ret = -1;
+               goto out;
+       }
+
+       if (lbs_set_universaltable(priv, 0)) {
+               ret = -1;
+               goto out;
+       }
+
+out:
+       lbs_deb_leave(LBS_DEB_CMD);
+       return ret;
+}
+
+static int lbs_cmd_802_11_ps_mode(struct lbs_private *priv,
+                                  struct cmd_ds_command *cmd,
+                                  u16 cmd_action)
+{
+       struct cmd_ds_802_11_ps_mode *psm = &cmd->params.psmode;
+
+       lbs_deb_enter(LBS_DEB_CMD);
+
+       cmd->command = cpu_to_le16(CMD_802_11_PS_MODE);
+       cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_ps_mode) +
+                               S_DS_GEN);
+       psm->action = cpu_to_le16(cmd_action);
+       psm->multipledtim = 0;
+       switch (cmd_action) {
+       case CMD_SUBCMD_ENTER_PS:
+               lbs_deb_cmd("PS command:" "SubCode- Enter PS\n");
+
+               psm->locallisteninterval = 0;
+               psm->nullpktinterval = 0;
+               psm->multipledtim =
+                   cpu_to_le16(MRVDRV_DEFAULT_MULTIPLE_DTIM);
+               break;
+
+       case CMD_SUBCMD_EXIT_PS:
+               lbs_deb_cmd("PS command:" "SubCode- Exit PS\n");
+               break;
+
+       case CMD_SUBCMD_SLEEP_CONFIRMED:
+               lbs_deb_cmd("PS command: SubCode- sleep confirm\n");
+               break;
+
+       default:
+               break;
+       }
+
+       lbs_deb_leave(LBS_DEB_CMD);
+       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)
+{
+       u16 *timeout = pdata_buf;
+
+       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->params.inactivity_timeout.action = cpu_to_le16(cmd_action);
+
+       if (cmd_action)
+               cmd->params.inactivity_timeout.timeout = cpu_to_le16(*timeout);
+       else
+               cmd->params.inactivity_timeout.timeout = 0;
+
+       lbs_deb_leave(LBS_DEB_CMD);
+       return 0;
+}
+
+static int lbs_cmd_802_11_sleep_params(struct lbs_private *priv,
+                                       struct cmd_ds_command *cmd,
+                                       u16 cmd_action)
+{
+       struct cmd_ds_802_11_sleep_params *sp = &cmd->params.sleep_params;
+
+       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);
+       }
+
+       lbs_deb_leave(LBS_DEB_CMD);
+       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)
+{
+       struct cmd_ds_802_11_set_wep *wep = &cmd->params.wep;
+       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);
+
+       if (cmd_act == CMD_ACT_ADD) {
+               int i;
+
+               if (!assoc_req) {
+                       lbs_deb_cmd("Invalid association request!");
+                       ret = -1;
+                       goto done;
+               }
+
+               wep->action = cpu_to_le16(CMD_ACT_ADD);
+
+               /* default tx key index */
+               wep->keyindex = cpu_to_le16((u16)(assoc_req->wep_tx_keyidx &
+                                                 (u32)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];
+
+                       switch (pkey->len) {
+                       case KEY_LEN_WEP_40:
+                               wep->keytype[i] = CMD_TYPE_WEP_40_BIT;
+                               memmove(&wep->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);
+                               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);
+                               ret = -1;
+                               goto done;
+                               break;
+                       }
+               }
+       } else if (cmd_act == 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));
+               lbs_deb_cmd("SET_WEP: remove key %d\n", priv->wep_tx_keyidx);
+       }
+
+       ret = 0;
+
+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)
+{
+       struct cmd_ds_802_11_enable_rsn *penableRSN = &cmd->params.enbrsn;
+       u32 * enable = pdata_buf;
+
+       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);
+
+       if (cmd_action == CMD_ACT_SET) {
+               if (*enable)
+                       penableRSN->enable = cpu_to_le16(CMD_ENABLE_RSN);
+               else
+                       penableRSN->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);
+       }
+
+       lbs_deb_leave(LBS_DEB_CMD);
+}
+
+static void set_one_wpa_key(struct MrvlIEtype_keyParamSet * pkeyparamset,
+                            struct enc_key * pkey)
+{
+       lbs_deb_enter(LBS_DEB_CMD);
+
+       if (pkey->flags & KEY_INFO_WPA_ENABLED) {
+               pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_ENABLED);
+       }
+       if (pkey->flags & KEY_INFO_WPA_UNICAST) {
+               pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_UNICAST);
+       }
+       if (pkey->flags & KEY_INFO_WPA_MCAST) {
+               pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_MCAST);
+       }
+
+       pkeyparamset->type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
+       pkeyparamset->keytypeid = cpu_to_le16(pkey->type);
+       pkeyparamset->keylen = cpu_to_le16(pkey->len);
+       memcpy(pkeyparamset->key, pkey->key, pkey->len);
+       pkeyparamset->length = cpu_to_le16(  sizeof(pkeyparamset->keytypeid)
+                                               + sizeof(pkeyparamset->keyinfo)
+                                               + sizeof(pkeyparamset->keylen)
+                                               + sizeof(pkeyparamset->key));
+       lbs_deb_leave(LBS_DEB_CMD);
+}
+
+static int lbs_cmd_802_11_key_material(struct lbs_private *priv,
+                                       struct cmd_ds_command *cmd,
+                                       u16 cmd_action,
+                                       u32 cmd_oid, void *pdata_buf)
+{
+       struct cmd_ds_802_11_key_material *pkeymaterial =
+           &cmd->params.keymaterial;
+       struct assoc_request * assoc_req = pdata_buf;
+       int ret = 0;
+       int index = 0;
+
+       lbs_deb_enter(LBS_DEB_CMD);
+
+       cmd->command = cpu_to_le16(CMD_802_11_KEY_MATERIAL);
+       pkeymaterial->action = cpu_to_le16(cmd_action);
+
+       if (cmd_action == CMD_ACT_GET) {
+               cmd->size = cpu_to_le16(S_DS_GEN + sizeof (pkeymaterial->action));
+               ret = 0;
+               goto done;
+       }
+
+       memset(&pkeymaterial->keyParamSet, 0, sizeof(pkeymaterial->keyParamSet));
+
+       if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags)) {
+               set_one_wpa_key(&pkeymaterial->keyParamSet[index],
+                               &assoc_req->wpa_unicast_key);
+               index++;
+       }
+
+       if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags)) {
+               set_one_wpa_key(&pkeymaterial->keyParamSet[index],
+                               &assoc_req->wpa_mcast_key);
+               index++;
+       }
+
+       cmd->size = cpu_to_le16(  S_DS_GEN
+                               + sizeof (pkeymaterial->action)
+                               + (index * sizeof(struct MrvlIEtype_keyParamSet)));
+
+       ret = 0;
+
+done:
+       lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
+       return ret;
+}
+
+static int lbs_cmd_802_11_reset(struct lbs_private *priv,
+                                struct cmd_ds_command *cmd, int cmd_action)
+{
+       struct cmd_ds_802_11_reset *reset = &cmd->params.reset;
+
+       lbs_deb_enter(LBS_DEB_CMD);
+
+       cmd->command = cpu_to_le16(CMD_802_11_RESET);
+       cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_reset) + S_DS_GEN);
+       reset->action = cpu_to_le16(cmd_action);
+
+       lbs_deb_leave(LBS_DEB_CMD);
+       return 0;
+}
+
+static int lbs_cmd_802_11_get_log(struct lbs_private *priv,
+                                  struct cmd_ds_command *cmd)
+{
+       lbs_deb_enter(LBS_DEB_CMD);
+       cmd->command = cpu_to_le16(CMD_802_11_GET_LOG);
+       cmd->size =
+               cpu_to_le16(sizeof(struct cmd_ds_802_11_get_log) + S_DS_GEN);
+
+       lbs_deb_leave(LBS_DEB_CMD);
+       return 0;
+}
+
+static int lbs_cmd_802_11_get_stat(struct lbs_private *priv,
+                                   struct cmd_ds_command *cmd)
+{
+       lbs_deb_enter(LBS_DEB_CMD);
+       cmd->command = cpu_to_le16(CMD_802_11_GET_STAT);
+       cmd->size =
+           cpu_to_le16(sizeof(struct cmd_ds_802_11_get_stat) + S_DS_GEN);
+
+       lbs_deb_leave(LBS_DEB_CMD);
+       return 0;
+}
+
+static int lbs_cmd_802_11_snmp_mib(struct lbs_private *priv,
+                                   struct cmd_ds_command *cmd,
+                                   int cmd_action,
+                                   int cmd_oid, void *pdata_buf)
+{
+       struct cmd_ds_802_11_snmp_mib *pSNMPMIB = &cmd->params.smib;
+       u8 ucTemp;
+
+       lbs_deb_enter(LBS_DEB_CMD);
+
+       lbs_deb_cmd("SNMP_CMD: cmd_oid = 0x%x\n", cmd_oid);
+
+       cmd->command = cpu_to_le16(CMD_802_11_SNMP_MIB);
+       cmd->size = cpu_to_le16(sizeof(*pSNMPMIB) + S_DS_GEN);
+
+       switch (cmd_oid) {
+       case OID_802_11_INFRASTRUCTURE_MODE:
+       {
+               u8 mode = (u8) (size_t) pdata_buf;
+               pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
+               pSNMPMIB->oid = cpu_to_le16((u16) DESIRED_BSSTYPE_I);
+               pSNMPMIB->bufsize = cpu_to_le16(sizeof(u8));
+               if (mode == IW_MODE_ADHOC) {
+                       ucTemp = SNMP_MIB_VALUE_ADHOC;
+               } else {
+                       /* Infra and Auto modes */
+                       ucTemp = SNMP_MIB_VALUE_INFRA;
+               }
+
+               memmove(pSNMPMIB->value, &ucTemp, sizeof(u8));
+
+               break;
+       }
+
+       case OID_802_11D_ENABLE:
+               {
+                       u32 ulTemp;
+
+                       pSNMPMIB->oid = cpu_to_le16((u16) DOT11D_I);
+
+                       if (cmd_action == CMD_ACT_SET) {
+                               pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
+                               pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
+                               ulTemp = *(u32 *)pdata_buf;
+                               *((__le16 *)(pSNMPMIB->value)) =
+                                   cpu_to_le16((u16) ulTemp);
+                       }
+                       break;
+               }
+
+       case OID_802_11_FRAGMENTATION_THRESHOLD:
+               {
+                       u32 ulTemp;
+
+                       pSNMPMIB->oid = cpu_to_le16((u16) FRAGTHRESH_I);
+
+                       if (cmd_action == CMD_ACT_GET) {
+                               pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
+                       } else if (cmd_action == CMD_ACT_SET) {
+                               pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
+                               pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
+                               ulTemp = *((u32 *) pdata_buf);
+                               *((__le16 *)(pSNMPMIB->value)) =
+                                   cpu_to_le16((u16) ulTemp);
+
+                       }
+
+                       break;
+               }
+
+       case OID_802_11_RTS_THRESHOLD:
+               {
+
+                       u32 ulTemp;
+                       pSNMPMIB->oid = cpu_to_le16(RTSTHRESH_I);
+
+                       if (cmd_action == CMD_ACT_GET) {
+                               pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
+                       } else if (cmd_action == CMD_ACT_SET) {
+                               pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
+                               pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
+                               ulTemp = *((u32 *)pdata_buf);
+                               *(__le16 *)(pSNMPMIB->value) =
+                                   cpu_to_le16((u16) ulTemp);
+
+                       }
+                       break;
+               }
+       case OID_802_11_TX_RETRYCOUNT:
+               pSNMPMIB->oid = cpu_to_le16((u16) SHORT_RETRYLIM_I);
+
+               if (cmd_action == CMD_ACT_GET) {
+                       pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
+               } else if (cmd_action == CMD_ACT_SET) {
+                       pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
+                       pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
+                       *((__le16 *)(pSNMPMIB->value)) =
+                           cpu_to_le16((u16) priv->txretrycount);
+               }
+
+               break;
+       default:
+               break;
+       }
+
+       lbs_deb_cmd(
+              "SNMP_CMD: command=0x%x, size=0x%x, seqnum=0x%x, result=0x%x\n",
+              le16_to_cpu(cmd->command), le16_to_cpu(cmd->size),
+              le16_to_cpu(cmd->seqnum), le16_to_cpu(cmd->result));
+
+       lbs_deb_cmd(
+              "SNMP_CMD: action 0x%x, oid 0x%x, oidsize 0x%x, value 0x%x\n",
+              le16_to_cpu(pSNMPMIB->querytype), le16_to_cpu(pSNMPMIB->oid),
+              le16_to_cpu(pSNMPMIB->bufsize),
+              le16_to_cpu(*(__le16 *) pSNMPMIB->value));
+
+       lbs_deb_leave(LBS_DEB_CMD);
+       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)
+{
+
+       struct cmd_ds_802_11_rf_tx_power *prtp = &cmd->params.txp;
+
+       lbs_deb_enter(LBS_DEB_CMD);
+
+       cmd->size =
+           cpu_to_le16((sizeof(struct cmd_ds_802_11_rf_tx_power)) + S_DS_GEN);
+       cmd->command = cpu_to_le16(CMD_802_11_RF_TX_POWER);
+       prtp->action = cpu_to_le16(cmd_action);
+
+       lbs_deb_cmd("RF_TX_POWER_CMD: size:%d cmd:0x%x Act:%d\n",
+                   le16_to_cpu(cmd->size), le16_to_cpu(cmd->command),
+                   le16_to_cpu(prtp->action));
+
+       switch (cmd_action) {
+       case CMD_ACT_TX_POWER_OPT_GET:
+               prtp->action = cpu_to_le16(CMD_ACT_GET);
+               prtp->currentlevel = 0;
+               break;
+
+       case CMD_ACT_TX_POWER_OPT_SET_HIGH:
+               prtp->action = cpu_to_le16(CMD_ACT_SET);
+               prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_HIGH);
+               break;
+
+       case CMD_ACT_TX_POWER_OPT_SET_MID:
+               prtp->action = cpu_to_le16(CMD_ACT_SET);
+               prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_MID);
+               break;
+
+       case CMD_ACT_TX_POWER_OPT_SET_LOW:
+               prtp->action = cpu_to_le16(CMD_ACT_SET);
+               prtp->currentlevel = cpu_to_le16(*((u16 *) pdata_buf));
+               break;
+       }
+
+       lbs_deb_leave(LBS_DEB_CMD);
+       return 0;
+}
+
+static int lbs_cmd_802_11_monitor_mode(struct lbs_private *priv,
+                                     struct cmd_ds_command *cmd,
+                                     u16 cmd_action, void *pdata_buf)
+{
+       struct cmd_ds_802_11_monitor_mode *monitor = &cmd->params.monitor;
+
+       cmd->command = cpu_to_le16(CMD_802_11_MONITOR_MODE);
+       cmd->size =
+           cpu_to_le16(sizeof(struct cmd_ds_802_11_monitor_mode) +
+                            S_DS_GEN);
+
+       monitor->action = cpu_to_le16(cmd_action);
+       if (cmd_action == CMD_ACT_SET) {
+               monitor->mode =
+                   cpu_to_le16((u16) (*(u32 *) pdata_buf));
+       }
+
+       return 0;
+}
+
+static int lbs_cmd_802_11_rate_adapt_rateset(struct lbs_private *priv,
+                                             struct cmd_ds_command *cmd,
+                                             u16 cmd_action)
+{
+       struct cmd_ds_802_11_rate_adapt_rateset
+       *rateadapt = &cmd->params.rateset;
+
+       lbs_deb_enter(LBS_DEB_CMD);
+       cmd->size =
+           cpu_to_le16(sizeof(struct cmd_ds_802_11_rate_adapt_rateset)
+                            + S_DS_GEN);
+       cmd->command = cpu_to_le16(CMD_802_11_RATE_ADAPT_RATESET);
+
+       rateadapt->action = cpu_to_le16(cmd_action);
+       rateadapt->enablehwauto = cpu_to_le16(priv->enablehwauto);
+       rateadapt->bitmap = cpu_to_le16(priv->ratebitmap);
+
+       lbs_deb_leave(LBS_DEB_CMD);
+       return 0;
+}
+
+/**
+ *  @brief Get the current data rate
+ *
+ *  @param priv        A pointer to struct lbs_private structure
+ *
+ *  @return            The data rate on success, error on failure
+ */
+int lbs_get_data_rate(struct lbs_private *priv)
+{
+       struct cmd_ds_802_11_data_rate cmd;
+       int ret = -1;
+
+       lbs_deb_enter(LBS_DEB_CMD);
+
+       memset(&cmd, 0, sizeof(cmd));
+       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);
+       if (ret)
+               goto out;
+
+       lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd));
+
+       ret = (int) lbs_fw_index_to_data_rate(cmd.rates[0]);
+       lbs_deb_cmd("DATA_RATE: current rate 0x%02x\n", ret);
+
+out:
+       lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
+       return ret;
+}
+
+/**
+ *  @brief Set the data rate
+ *
+ *  @param priv        A pointer to struct lbs_private structure
+ *  @param rate        The desired data rate, or 0 to clear a locked rate
+ *
+ *  @return            0 on success, error on failure
+ */
+int lbs_set_data_rate(struct lbs_private *priv, u8 rate)
+{
+       struct cmd_ds_802_11_data_rate cmd;
+       int ret = 0;
+
+       lbs_deb_enter(LBS_DEB_CMD);
+
+       memset(&cmd, 0, sizeof(cmd));
+       cmd.hdr.size = cpu_to_le16(sizeof(cmd));
+
+       if (rate > 0) {
+               cmd.action = cpu_to_le16(CMD_ACT_SET_TX_FIX_RATE);
+               cmd.rates[0] = lbs_data_rate_to_fw_index(rate);
+               if (cmd.rates[0] == 0) {
+                       lbs_deb_cmd("DATA_RATE: invalid requested rate of"
+                                   " 0x%02X\n", rate);
+                       ret = 0;
+                       goto out;
+               }
+               lbs_deb_cmd("DATA_RATE: set fixed 0x%02X\n", cmd.rates[0]);
+       } else {
+               cmd.action = cpu_to_le16(CMD_ACT_SET_TX_AUTO);
+               lbs_deb_cmd("DATA_RATE: setting auto\n");
+       }
+
+       ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, cmd);
+       if (ret)
+               goto out;
+
+       lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd));
+
+       /* FIXME: get actual rates FW can do if this command actually returns
+        * all data rates supported.
+        */
+       priv->cur_rate = lbs_fw_index_to_data_rate(cmd.rates[0]);
+       lbs_deb_cmd("DATA_RATE: current rate is 0x%02x\n", priv->cur_rate);
+
+out:
+       lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
+       return ret;
+}
+
+static int lbs_cmd_mac_multicast_adr(struct lbs_private *priv,
+                                     struct cmd_ds_command *cmd,
+                                     u16 cmd_action)
+{
+       struct cmd_ds_mac_multicast_adr *pMCastAdr = &cmd->params.madr;
+
+       lbs_deb_enter(LBS_DEB_CMD);
+       cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_multicast_adr) +
+                            S_DS_GEN);
+       cmd->command = cpu_to_le16(CMD_MAC_MULTICAST_ADR);
+
+       lbs_deb_cmd("MULTICAST_ADR: setting %d addresses\n", pMCastAdr->nr_of_adrs);
+       pMCastAdr->action = cpu_to_le16(cmd_action);
+       pMCastAdr->nr_of_adrs =
+           cpu_to_le16((u16) priv->nr_of_multicastmacaddr);
+       memcpy(pMCastAdr->maclist, priv->multicastlist,
+              priv->nr_of_multicastmacaddr * ETH_ALEN);
+
+       lbs_deb_leave(LBS_DEB_CMD);
+       return 0;
+}
+
+/**
+ *  @brief Get the radio channel
+ *
+ *  @param priv        A pointer to struct lbs_private structure
+ *
+ *  @return            The channel on success, error on failure
+ */
+int lbs_get_channel(struct lbs_private *priv)
+{
+       struct cmd_ds_802_11_rf_channel cmd;
+       int ret = 0;
+
+       lbs_deb_enter(LBS_DEB_CMD);
+
+       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);
+       if (ret)
+               goto out;
+
+       ret = le16_to_cpu(cmd.channel);
+       lbs_deb_cmd("current radio channel is %d\n", ret);
+
+out:
+       lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
+       return ret;
+}
+
+/**
+ *  @brief Set the radio channel
+ *
+ *  @param priv        A pointer to struct lbs_private structure
+ *  @param channel     The desired channel, or 0 to clear a locked channel
+ *
+ *  @return            0 on success, error on failure
+ */
+int lbs_set_channel(struct lbs_private *priv, u8 channel)
+{
+       struct cmd_ds_802_11_rf_channel cmd;
+       u8 old_channel = priv->curbssparams.channel;
+       int ret = 0;
+
+       lbs_deb_enter(LBS_DEB_CMD);
+
+       cmd.hdr.size = cpu_to_le16(sizeof(cmd));
+       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);
+       if (ret)
+               goto out;
+
+       priv->curbssparams.channel = (uint8_t) le16_to_cpu(cmd.channel);
+       lbs_deb_cmd("channel switch from %d to %d\n", old_channel,
+               priv->curbssparams.channel);
+
+out:
+       lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
+       return ret;
+}
+
+static int lbs_cmd_802_11_rssi(struct lbs_private *priv,
+                               struct cmd_ds_command *cmd)
+{
+
+       lbs_deb_enter(LBS_DEB_CMD);
+       cmd->command = cpu_to_le16(CMD_802_11_RSSI);
+       cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rssi) + S_DS_GEN);
+       cmd->params.rssi.N = cpu_to_le16(DEFAULT_BCN_AVG_FACTOR);
+
+       /* reset Beacon SNR/NF/RSSI values */
+       priv->SNR[TYPE_BEACON][TYPE_NOAVG] = 0;
+       priv->SNR[TYPE_BEACON][TYPE_AVG] = 0;
+       priv->NF[TYPE_BEACON][TYPE_NOAVG] = 0;
+       priv->NF[TYPE_BEACON][TYPE_AVG] = 0;
+       priv->RSSI[TYPE_BEACON][TYPE_NOAVG] = 0;
+       priv->RSSI[TYPE_BEACON][TYPE_AVG] = 0;
+
+       lbs_deb_leave(LBS_DEB_CMD);
+       return 0;
+}
+
+static int lbs_cmd_reg_access(struct lbs_private *priv,
+                              struct cmd_ds_command *cmdptr,
+                              u8 cmd_action, void *pdata_buf)
+{
+       struct lbs_offset_value *offval;
+
+       lbs_deb_enter(LBS_DEB_CMD);
+
+       offval = (struct lbs_offset_value *)pdata_buf;
+
+       switch (le16_to_cpu(cmdptr->command)) {
+       case CMD_MAC_REG_ACCESS:
+               {
+                       struct cmd_ds_mac_reg_access *macreg;
+
+                       cmdptr->size =
+                           cpu_to_le16(sizeof (struct cmd_ds_mac_reg_access)
+                                       + S_DS_GEN);
+                       macreg =
+                           (struct cmd_ds_mac_reg_access *)&cmdptr->params.
+                           macreg;
+
+                       macreg->action = cpu_to_le16(cmd_action);
+                       macreg->offset = cpu_to_le16((u16) offval->offset);
+                       macreg->value = cpu_to_le32(offval->value);
+
+                       break;
+               }
+
+       case CMD_BBP_REG_ACCESS:
+               {
+                       struct cmd_ds_bbp_reg_access *bbpreg;
+
+                       cmdptr->size =
+                           cpu_to_le16(sizeof
+                                            (struct cmd_ds_bbp_reg_access)
+                                            + S_DS_GEN);
+                       bbpreg =
+                           (struct cmd_ds_bbp_reg_access *)&cmdptr->params.
+                           bbpreg;
+
+                       bbpreg->action = cpu_to_le16(cmd_action);
+                       bbpreg->offset = cpu_to_le16((u16) offval->offset);
+                       bbpreg->value = (u8) offval->value;
+
+                       break;
+               }
+
+       case CMD_RF_REG_ACCESS:
+               {
+                       struct cmd_ds_rf_reg_access *rfreg;
+
+                       cmdptr->size =
+                           cpu_to_le16(sizeof
+                                            (struct cmd_ds_rf_reg_access) +
+                                            S_DS_GEN);
+                       rfreg =
+                           (struct cmd_ds_rf_reg_access *)&cmdptr->params.
+                           rfreg;
+
+                       rfreg->action = cpu_to_le16(cmd_action);
+                       rfreg->offset = cpu_to_le16((u16) offval->offset);
+                       rfreg->value = (u8) offval->value;
+
+                       break;
+               }
+
+       default:
+               break;
+       }
+
+       lbs_deb_leave(LBS_DEB_CMD);
+       return 0;
+}
+
+static int lbs_cmd_802_11_mac_address(struct lbs_private *priv,
+                                      struct cmd_ds_command *cmd,
+                                      u16 cmd_action)
+{
+
+       lbs_deb_enter(LBS_DEB_CMD);
+       cmd->command = cpu_to_le16(CMD_802_11_MAC_ADDRESS);
+       cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_mac_address) +
+                            S_DS_GEN);
+       cmd->result = 0;
+
+       cmd->params.macadd.action = cpu_to_le16(cmd_action);
+
+       if (cmd_action == CMD_ACT_SET) {
+               memcpy(cmd->params.macadd.macadd,
+                      priv->current_addr, ETH_ALEN);
+               lbs_deb_hex(LBS_DEB_CMD, "SET_CMD: MAC addr", priv->current_addr, 6);
+       }
+
+       lbs_deb_leave(LBS_DEB_CMD);
+       return 0;
+}
+
+static int lbs_cmd_802_11_eeprom_access(struct lbs_private *priv,
+                                        struct cmd_ds_command *cmd,
+                                        int cmd_action, void *pdata_buf)
+{
+       struct lbs_ioctl_regrdwr *ea = pdata_buf;
+
+       lbs_deb_enter(LBS_DEB_CMD);
+
+       cmd->command = cpu_to_le16(CMD_802_11_EEPROM_ACCESS);
+       cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_eeprom_access) +
+                               S_DS_GEN);
+       cmd->result = 0;
+
+       cmd->params.rdeeprom.action = cpu_to_le16(ea->action);
+       cmd->params.rdeeprom.offset = cpu_to_le16(ea->offset);
+       cmd->params.rdeeprom.bytecount = cpu_to_le16(ea->NOB);
+       cmd->params.rdeeprom.value = 0;
+
+       lbs_deb_leave(LBS_DEB_CMD);
+       return 0;
+}
+
+static int lbs_cmd_bt_access(struct lbs_private *priv,
+                              struct cmd_ds_command *cmd,
+                              u16 cmd_action, void *pdata_buf)
+{
+       struct cmd_ds_bt_access *bt_access = &cmd->params.bt;
+       lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
+
+       cmd->command = cpu_to_le16(CMD_BT_ACCESS);
+       cmd->size = cpu_to_le16(sizeof(struct cmd_ds_bt_access) + S_DS_GEN);
+       cmd->result = 0;
+       bt_access->action = cpu_to_le16(cmd_action);
+
+       switch (cmd_action) {
+       case CMD_ACT_BT_ACCESS_ADD:
+               memcpy(bt_access->addr1, pdata_buf, 2 * ETH_ALEN);
+               lbs_deb_hex(LBS_DEB_MESH, "BT_ADD: blinded MAC addr", bt_access->addr1, 6);
+               break;
+       case CMD_ACT_BT_ACCESS_DEL:
+               memcpy(bt_access->addr1, pdata_buf, 1 * ETH_ALEN);
+               lbs_deb_hex(LBS_DEB_MESH, "BT_DEL: blinded MAC addr", bt_access->addr1, 6);
+               break;
+       case CMD_ACT_BT_ACCESS_LIST:
+               bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
+               break;
+       case CMD_ACT_BT_ACCESS_RESET:
+               break;
+       case CMD_ACT_BT_ACCESS_SET_INVERT:
+               bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
+               break;
+       case CMD_ACT_BT_ACCESS_GET_INVERT:
+               break;
+       default:
+               break;
+       }
+       lbs_deb_leave(LBS_DEB_CMD);
+       return 0;
+}
+
+static int lbs_cmd_fwt_access(struct lbs_private *priv,
+                              struct cmd_ds_command *cmd,
+                              u16 cmd_action, void *pdata_buf)
+{
+       struct cmd_ds_fwt_access *fwt_access = &cmd->params.fwt;
+       lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
+
+       cmd->command = cpu_to_le16(CMD_FWT_ACCESS);
+       cmd->size = cpu_to_le16(sizeof(struct cmd_ds_fwt_access) + S_DS_GEN);
+       cmd->result = 0;
+
+       if (pdata_buf)
+               memcpy(fwt_access, pdata_buf, sizeof(*fwt_access));
+       else
+               memset(fwt_access, 0, sizeof(*fwt_access));
+
+       fwt_access->action = cpu_to_le16(cmd_action);
+
+       lbs_deb_leave(LBS_DEB_CMD);
+       return 0;
+}
+
+int lbs_mesh_access(struct lbs_private *priv, uint16_t cmd_action,
+                   struct cmd_ds_mesh_access *cmd)
+{
+       int ret;
+
+       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.result = 0;
+
+       cmd->action = cpu_to_le16(cmd_action);
+
+       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)
+{
+       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);
+       
+       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);
+}
+
+static int lbs_cmd_bcn_ctrl(struct lbs_private * priv,
+                               struct cmd_ds_command *cmd,
+                               u16 cmd_action)
+{
+       struct cmd_ds_802_11_beacon_control
+               *bcn_ctrl = &cmd->params.bcn_ctrl;
+
+       lbs_deb_enter(LBS_DEB_CMD);
+       cmd->size =
+           cpu_to_le16(sizeof(struct cmd_ds_802_11_beacon_control)
+                            + S_DS_GEN);
+       cmd->command = cpu_to_le16(CMD_802_11_BEACON_CTRL);
+
+       bcn_ctrl->action = cpu_to_le16(cmd_action);
+       bcn_ctrl->beacon_enable = cpu_to_le16(priv->beacon_enable);
+       bcn_ctrl->beacon_period = cpu_to_le16(priv->beacon_period);
+
+       lbs_deb_leave(LBS_DEB_CMD);
+       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)
+{
+       unsigned long flags;
+
+       lbs_deb_enter(LBS_DEB_HOST);
+
+       if (!cmdnode || !cmdnode->cmdbuf) {
+               lbs_deb_host("QUEUE_CMD: cmdnode or cmdbuf is NULL\n");
+               goto done;
+       }
+
+       /* 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;
+
+               if (psm->action == cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
+                       if (priv->psstate != PS_STATE_FULL_POWER)
+                               addtail = 0;
+               }
+       }
+
+       spin_lock_irqsave(&priv->driver_lock, flags);
+
+       if (addtail)
+               list_add_tail(&cmdnode->list, &priv->cmdpendingq);
+       else
+               list_add(&cmdnode->list, &priv->cmdpendingq);
+
+       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));
+
+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)
+{
+       unsigned long flags;
+       struct cmd_header *cmd;
+       int ret = -1;
+       u16 cmdsize;
+       u16 command;
+
+       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);
+
+       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);
+
+       cmdnode->cmdwaitqwoken = 0;
+
+       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);
+
+       /* 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;
+
+done:
+       lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
+       return ret;
+}
+
+static int lbs_cmd_mac_control(struct lbs_private *priv,
+                               struct cmd_ds_command *cmd)
+{
+       struct cmd_ds_mac_control *mac = &cmd->params.macctrl;
+
+       lbs_deb_enter(LBS_DEB_CMD);
+
+       cmd->command = cpu_to_le16(CMD_MAC_CONTROL);
+       cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_control) + S_DS_GEN);
+       mac->action = cpu_to_le16(priv->currentpacketfilter);
+
+       lbs_deb_cmd("MAC_CONTROL: action 0x%x, size %d\n",
+                   le16_to_cpu(mac->action), le16_to_cpu(cmd->size));
+
+       lbs_deb_leave(LBS_DEB_CMD);
+       return 0;
+}
+
+/**
+ *  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)
+{
+
+       if (!ptempcmd)
+               return;
+
+       cleanup_cmdnode(ptempcmd);
+       list_add_tail(&ptempcmd->list, &priv->cmdfreeq);
+}
+
+static void lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
+       struct cmd_ctrl_node *ptempcmd)
+{
+       unsigned long flags;
+
+       spin_lock_irqsave(&priv->driver_lock, flags);
+       __lbs_cleanup_and_insert_cmd(priv, ptempcmd);
+       spin_unlock_irqrestore(&priv->driver_lock, flags);
+}
+
+int lbs_set_radio_control(struct lbs_private *priv)
+{
+       int ret = 0;
+
+       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);
+
+       lbs_deb_cmd("RADIO_SET: radio %d, preamble %d\n",
+              priv->radioon, priv->preamble);
+
+       lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
+       return ret;
+}
+
+int lbs_set_mac_packet_filter(struct lbs_private *priv)
+{
+       int ret = 0;
+
+       lbs_deb_enter(LBS_DEB_CMD);
+
+       /* Send MAC control command to station */
+       ret = lbs_prepare_and_send_command(priv,
+                                   CMD_MAC_CONTROL, 0, 0, 0, NULL);
+
+       lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
+       return ret;
+}
+
+/**
+ *  @brief This function prepare the command before send to firmware.
+ *
+ *  @param priv                A pointer to struct lbs_private structure
+ *  @param cmd_no      command number
+ *  @param cmd_action  command action: GET or SET
+ *  @param wait_option wait option: wait response or not
+ *  @param cmd_oid     cmd oid: treated as sub command
+ *  @param pdata_buf   A pointer to informaion buffer
+ *  @return            0 or -1
+ */
+int lbs_prepare_and_send_command(struct lbs_private *priv,
+                         u16 cmd_no,
+                         u16 cmd_action,
+                         u16 wait_option, u32 cmd_oid, void *pdata_buf)
+{
+       int ret = 0;
+       struct cmd_ctrl_node *cmdnode;
+       struct cmd_ds_command *cmdptr;
+       unsigned long flags;
+
+       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;
+               goto done;
+       }
+
+       cmdnode = lbs_get_cmd_ctrl_node(priv);
+
+       if (cmdnode == NULL) {
+               lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
+
+               /* Wake up main thread to execute next command */
+               wake_up_interruptible(&priv->waitq);
+               ret = -1;
+               goto done;
+       }
+
+       lbs_set_cmd_ctrl_node(priv, cmdnode, wait_option, 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);
+
+       cmdptr->command = cpu_to_le16(cmd_no);
+       cmdptr->result = 0;
+
+       switch (cmd_no) {
+       case CMD_802_11_PS_MODE:
+               ret = lbs_cmd_802_11_ps_mode(priv, cmdptr, cmd_action);
+               break;
+
+       case CMD_802_11_SCAN:
+               ret = lbs_cmd_80211_scan(priv, cmdptr, pdata_buf);
+               break;
+
+       case CMD_MAC_CONTROL:
+               ret = lbs_cmd_mac_control(priv, cmdptr);
+               break;
+
+       case CMD_802_11_ASSOCIATE:
+       case CMD_802_11_REASSOCIATE:
+               ret = lbs_cmd_80211_associate(priv, cmdptr, pdata_buf);
+               break;
+
+       case CMD_802_11_DEAUTHENTICATE:
+               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;
+       case CMD_CODE_DNLD:
+               break;
+
+       case CMD_802_11_RESET:
+               ret = lbs_cmd_802_11_reset(priv, cmdptr, cmd_action);
+               break;
+
+       case CMD_802_11_GET_LOG:
+               ret = lbs_cmd_802_11_get_log(priv, cmdptr);
+               break;
+
+       case CMD_802_11_AUTHENTICATE:
+               ret = lbs_cmd_80211_authenticate(priv, cmdptr, pdata_buf);
+               break;
+
+       case CMD_802_11_GET_STAT:
+               ret = lbs_cmd_802_11_get_stat(priv, cmdptr);
+               break;
+
+       case CMD_802_11_SNMP_MIB:
+               ret = lbs_cmd_802_11_snmp_mib(priv, cmdptr,
+                                              cmd_action, cmd_oid, pdata_buf);
+               break;
+
+       case CMD_MAC_REG_ACCESS:
+       case CMD_BBP_REG_ACCESS:
+       case CMD_RF_REG_ACCESS:
+               ret = lbs_cmd_reg_access(priv, cmdptr, cmd_action, pdata_buf);
+               break;
+
+       case CMD_802_11_RF_TX_POWER:
+               ret = lbs_cmd_802_11_rf_tx_power(priv, cmdptr,
+                                                 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);
+               break;
+
+       case CMD_MAC_MULTICAST_ADR:
+               ret = lbs_cmd_mac_multicast_adr(priv, cmdptr, cmd_action);
+               break;
+
+       case CMD_802_11_MONITOR_MODE:
+               ret = lbs_cmd_802_11_monitor_mode(priv, cmdptr,
+                                         cmd_action, pdata_buf);
+               break;
+
+       case CMD_802_11_AD_HOC_JOIN:
+               ret = lbs_cmd_80211_ad_hoc_join(priv, cmdptr, pdata_buf);
+               break;
+
+       case CMD_802_11_RSSI:
+               ret = lbs_cmd_802_11_rssi(priv, cmdptr);
+               break;
+
+       case CMD_802_11_AD_HOC_STOP:
+               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);
+               break;
+
+       case CMD_802_11_PAIRWISE_TSC:
+               break;
+       case CMD_802_11_GROUP_TSC:
+               break;
+
+       case CMD_802_11_MAC_ADDRESS:
+               ret = lbs_cmd_802_11_mac_address(priv, cmdptr, cmd_action);
+               break;
+
+       case CMD_802_11_EEPROM_ACCESS:
+               ret = lbs_cmd_802_11_eeprom_access(priv, cmdptr,
+                                                   cmd_action, pdata_buf);
+               break;
+
+       case CMD_802_11_SET_AFC:
+       case CMD_802_11_GET_AFC:
+
+               cmdptr->command = cpu_to_le16(cmd_no);
+               cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_afc) +
+                                          S_DS_GEN);
+
+               memmove(&cmdptr->params.afc,
+                       pdata_buf, sizeof(struct cmd_ds_802_11_afc));
+
+               ret = 0;
+               goto done;
+
+       case CMD_802_11D_DOMAIN_INFO:
+               ret = lbs_cmd_802_11d_domain_info(priv, cmdptr,
+                                                  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 =
+                   cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg) +
+                                    S_DS_GEN);
+
+               memmove(&cmdptr->params.tpccfg,
+                       pdata_buf, sizeof(struct cmd_ds_802_11_tpc_cfg));
+
+               ret = 0;
+               break;
+       case CMD_802_11_LED_GPIO_CTRL:
+               {
+                       struct mrvlietypes_ledgpio *gpio =
+                           (struct mrvlietypes_ledgpio*)
+                           cmdptr->params.ledgpio.data;
+
+                       memmove(&cmdptr->params.ledgpio,
+                               pdata_buf,
+                               sizeof(struct cmd_ds_802_11_led_ctrl));
+
+                       cmdptr->command =
+                           cpu_to_le16(CMD_802_11_LED_GPIO_CTRL);
+
+#define ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN 8
+                       cmdptr->size =
+                           cpu_to_le16(le16_to_cpu(gpio->header.len)
+                               + S_DS_GEN
+                               + ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN);
+                       gpio->header.len = gpio->header.len;
+
+                       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 =
+                   cpu_to_le16(sizeof(struct cmd_ds_802_11_pwr_cfg) +
+                                    S_DS_GEN);
+               memmove(&cmdptr->params.pwrcfg, pdata_buf,
+                       sizeof(struct cmd_ds_802_11_pwr_cfg));
+
+               ret = 0;
+               break;
+       case CMD_BT_ACCESS:
+               ret = lbs_cmd_bt_access(priv, cmdptr, cmd_action, pdata_buf);
+               break;
+
+       case CMD_FWT_ACCESS:
+               ret = lbs_cmd_fwt_access(priv, cmdptr, cmd_action, pdata_buf);
+               break;
+
+       case CMD_GET_TSF:
+               cmdptr->command = cpu_to_le16(CMD_GET_TSF);
+               cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_get_tsf) +
+                                          S_DS_GEN);
+               ret = 0;
+               break;
+       case CMD_802_11_BEACON_CTRL:
+               ret = lbs_cmd_bcn_ctrl(priv, cmdptr, cmd_action);
+               break;
+       default:
+               lbs_deb_host("PREP_CMD: unknown command 0x%04x\n", cmd_no);
+               ret = -1;
+               break;
+       }
+
+       /* return error, since the command preparation failed */
+       if (ret != 0) {
+               lbs_deb_host("PREP_CMD: command preparation failed\n");
+               lbs_cleanup_and_insert_cmd(priv, cmdnode);
+               ret = -1;
+               goto done;
+       }
+
+       cmdnode->cmdwaitqwoken = 0;
+
+       lbs_queue_cmd(priv, cmdnode, 1);
+       wake_up_interruptible(&priv->waitq);
+
+       if (wait_option & CMD_OPTION_WAITFORRSP) {
+               lbs_deb_host("PREP_CMD: wait for response\n");
+               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;
+       }
+       spin_unlock_irqrestore(&priv->driver_lock, flags);
+
+done:
+       lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
+       return ret;
+}
+EXPORT_SYMBOL_GPL(lbs_prepare_and_send_command);
+
+/**
+ *  @brief This function allocates the command buffer and link
+ *  it to command free queue.
+ *
+ *  @param priv                A pointer to struct lbs_private structure
+ *  @return            0 or -1
+ */
+int lbs_allocate_cmd_buffer(struct lbs_private *priv)
+{
+       int ret = 0;
+       u32 bufsize;
+       u32 i;
+       struct cmd_ctrl_node *cmdarray;
+
+       lbs_deb_enter(LBS_DEB_HOST);
+
+       /* Allocate and initialize the command array */
+       bufsize = sizeof(struct cmd_ctrl_node) * LBS_NUM_CMD_BUFFERS;
+       if (!(cmdarray = kzalloc(bufsize, GFP_KERNEL))) {
+               lbs_deb_host("ALLOC_CMD_BUF: tempcmd_array is NULL\n");
+               ret = -1;
+               goto done;
+       }
+       priv->cmd_array = cmdarray;
+
+       /* Allocate and initialize each command buffer in the command array */
+       for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
+               cmdarray[i].cmdbuf = kzalloc(LBS_CMD_BUFFER_SIZE, GFP_KERNEL);
+               if (!cmdarray[i].cmdbuf) {
+                       lbs_deb_host("ALLOC_CMD_BUF: ptempvirtualaddr is NULL\n");
+                       ret = -1;
+                       goto done;
+               }
+       }
+
+       for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
+               init_waitqueue_head(&cmdarray[i].cmdwait_q);
+               lbs_cleanup_and_insert_cmd(priv, &cmdarray[i]);
+       }
+       ret = 0;
+
+done:
+       lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
+       return ret;
+}
+
+/**
+ *  @brief This function frees the command buffer.
+ *
+ *  @param priv                A pointer to struct lbs_private structure
+ *  @return            0 or -1
+ */
+int lbs_free_cmd_buffer(struct lbs_private *priv)
+{
+       struct cmd_ctrl_node *cmdarray;
+       unsigned int i;
+
+       lbs_deb_enter(LBS_DEB_HOST);
+
+       /* need to check if cmd array is allocated or not */
+       if (priv->cmd_array == NULL) {
+               lbs_deb_host("FREE_CMD_BUF: cmd_array is NULL\n");
+               goto done;
+       }
+
+       cmdarray = priv->cmd_array;
+
+       /* Release shared memory buffers */
+       for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
+               if (cmdarray[i].cmdbuf) {
+                       kfree(cmdarray[i].cmdbuf);
+                       cmdarray[i].cmdbuf = NULL;
+               }
+       }
+
+       /* Release cmd_ctrl_node */
+       if (priv->cmd_array) {
+               kfree(priv->cmd_array);
+               priv->cmd_array = NULL;
+       }
+
+done:
+       lbs_deb_leave(LBS_DEB_HOST);
+       return 0;
+}
+
+/**
+ *  @brief This function gets a free command node if available in
+ *  command free queue.
+ *
+ *  @param priv                A pointer to struct lbs_private structure
+ *  @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL
+ */
+static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv)
+{
+       struct cmd_ctrl_node *tempnode;
+       unsigned long flags;
+
+       lbs_deb_enter(LBS_DEB_HOST);
+
+       if (!priv)
+               return NULL;
+
+       spin_lock_irqsave(&priv->driver_lock, flags);
+
+       if (!list_empty(&priv->cmdfreeq)) {
+               tempnode = list_first_entry(&priv->cmdfreeq,
+                                           struct cmd_ctrl_node, list);
+               list_del(&tempnode->list);
+       } else {
+               lbs_deb_host("GET_CMD_NODE: cmd_ctrl_node is not available\n");
+               tempnode = NULL;
+       }
+
+       spin_unlock_irqrestore(&priv->driver_lock, flags);
+
+       if (tempnode)
+               cleanup_cmdnode(tempnode);
+
+       lbs_deb_leave(LBS_DEB_HOST);
+       return tempnode;
+}
+
+/**
+ *  @brief This function cleans command node.
+ *
+ *  @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)
+{
+       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;
+
+       lbs_deb_leave(LBS_DEB_HOST);
+}
+
+/**
+ *  @brief This function executes next command in command
+ *  pending queue. It will put fimware back to PS mode
+ *  if applicable.
+ *
+ *  @param priv     A pointer to struct lbs_private structure
+ *  @return       0 or -1
+ */
+int lbs_execute_next_command(struct lbs_private *priv)
+{
+       struct cmd_ctrl_node *cmdnode = NULL;
+       struct cmd_header *cmd;
+       unsigned long flags;
+       int ret = 0;
+
+       // Debug group is LBS_DEB_THREAD and not LBS_DEB_HOST, because the
+       // only caller to us is lbs_thread() and we get even when a
+       // data packet is received
+       lbs_deb_enter(LBS_DEB_THREAD);
+
+       spin_lock_irqsave(&priv->driver_lock, flags);
+
+       if (priv->cur_cmd) {
+               lbs_pr_alert( "EXEC_NEXT_CMD: already processing command!\n");
+               spin_unlock_irqrestore(&priv->driver_lock, flags);
+               ret = -1;
+               goto done;
+       }
+
+       if (!list_empty(&priv->cmdpendingq)) {
+               cmdnode = list_first_entry(&priv->cmdpendingq,
+                                          struct cmd_ctrl_node, list);
+       }
+
+       spin_unlock_irqrestore(&priv->driver_lock, flags);
+
+       if (cmdnode) {
+               cmd = cmdnode->cmdbuf;
+
+               if (is_command_allowed_in_ps(le16_to_cpu(cmd->command))) {
+                       if ((priv->psstate == PS_STATE_SLEEP) ||
+                           (priv->psstate == PS_STATE_PRE_SLEEP)) {
+                               lbs_deb_host(
+                                      "EXEC_NEXT_CMD: cannot send cmd 0x%04x in psstate %d\n",
+                                      le16_to_cpu(cmd->command),
+                                      priv->psstate);
+                               ret = -1;
+                               goto done;
+                       }
+                       lbs_deb_host("EXEC_NEXT_CMD: OK to send command "
+                                    "0x%04x in psstate %d\n",
+                                    le16_to_cpu(cmd->command), priv->psstate);
+               } else if (priv->psstate != PS_STATE_FULL_POWER) {
+                       /*
+                        * 1. Non-PS command:
+                        * Queue it. set needtowakeup to TRUE if current state
+                        * is SLEEP, otherwise call lbs_ps_wakeup to send Exit_PS.
+                        * 2. PS command but not Exit_PS:
+                        * Ignore it.
+                        * 3. PS command Exit_PS:
+                        * Set needtowakeup to TRUE if current state is SLEEP,
+                        * otherwise send this command down to firmware
+                        * immediately.
+                        */
+                       if (cmd->command != cpu_to_le16(CMD_802_11_PS_MODE)) {
+                               /*  Prepare to send Exit PS,
+                                *  this non PS command will be sent later */
+                               if ((priv->psstate == PS_STATE_SLEEP)
+                                   || (priv->psstate == PS_STATE_PRE_SLEEP)
+                                   ) {
+                                       /* w/ new scheme, it will not reach here.
+                                          since it is blocked in main_thread. */
+                                       priv->needtowakeup = 1;
+                               } else
+                                       lbs_ps_wakeup(priv, 0);
+
+                               ret = 0;
+                               goto done;
+                       } else {
+                               /*
+                                * 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;
+
+                               lbs_deb_host(
+                                      "EXEC_NEXT_CMD: PS cmd, action 0x%02x\n",
+                                      psm->action);
+                               if (psm->action !=
+                                   cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
+                                       lbs_deb_host(
+                                              "EXEC_NEXT_CMD: ignore ENTER_PS cmd\n");
+                                       list_del(&cmdnode->list);
+                                       lbs_cleanup_and_insert_cmd(priv, cmdnode);
+
+                                       ret = 0;
+                                       goto done;
+                               }
+
+                               if ((priv->psstate == PS_STATE_SLEEP) ||
+                                   (priv->psstate == PS_STATE_PRE_SLEEP)) {
+                                       lbs_deb_host(
+                                              "EXEC_NEXT_CMD: ignore EXIT_PS cmd in sleep\n");
+                                       list_del(&cmdnode->list);
+                                       lbs_cleanup_and_insert_cmd(priv, cmdnode);
+                                       priv->needtowakeup = 1;
+
+                                       ret = 0;
+                                       goto done;
+                               }
+
+                               lbs_deb_host(
+                                      "EXEC_NEXT_CMD: sending EXIT_PS\n");
+                       }
+               }
+               list_del(&cmdnode->list);
+               lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n",
+                           le16_to_cpu(cmd->command));
+               DownloadcommandToStation(priv, cmdnode);
+       } else {
+               /*
+                * check if in power save mode, if yes, put the device back
+                * to PS mode
+                */
+               if ((priv->psmode != LBS802_11POWERMODECAM) &&
+                   (priv->psstate == PS_STATE_FULL_POWER) &&
+                   ((priv->connect_status == LBS_CONNECTED) ||
+                   (priv->mesh_connect_status == LBS_CONNECTED))) {
+                       if (priv->secinfo.WPAenabled ||
+                           priv->secinfo.WPA2enabled) {
+                               /* check for valid WPA group keys */
+                               if (priv->wpa_mcast_key.len ||
+                                   priv->wpa_unicast_key.len) {
+                                       lbs_deb_host(
+                                              "EXEC_NEXT_CMD: WPA enabled and GTK_SET"
+                                              " go back to PS_SLEEP");
+                                       lbs_ps_sleep(priv, 0);
+                               }
+                       } else {
+                               lbs_deb_host(
+                                      "EXEC_NEXT_CMD: cmdpendingq empty, "
+                                      "go back to PS_SLEEP");
+                               lbs_ps_sleep(priv, 0);
+                       }
+               }
+       }
+
+       ret = 0;
+done:
+       lbs_deb_leave(LBS_DEB_THREAD);
+       return ret;
+}
+
+void lbs_send_iwevcustom_event(struct lbs_private *priv, s8 *str)
+{
+       union iwreq_data iwrq;
+       u8 buf[50];
+
+       lbs_deb_enter(LBS_DEB_WEXT);
+
+       memset(&iwrq, 0, sizeof(union iwreq_data));
+       memset(buf, 0, sizeof(buf));
+
+       snprintf(buf, sizeof(buf) - 1, "%s", str);
+
+       iwrq.data.length = strlen(buf) + 1 + IW_EV_LCP_LEN;
+
+       /* Send Event to upper layer */
+       lbs_deb_wext("event indication string %s\n", (char *)buf);
+       lbs_deb_wext("event indication length %d\n", iwrq.data.length);
+       lbs_deb_wext("sending wireless event IWEVCUSTOM for %s\n", str);
+
+       wireless_send_event(priv->dev, IWEVCUSTOM, &iwrq, buf);
+
+       lbs_deb_leave(LBS_DEB_WEXT);
+}
+
+static int sendconfirmsleep(struct lbs_private *priv, u8 *cmdptr, u16 size)
+{
+       unsigned long flags;
+       int ret = 0;
+
+       lbs_deb_enter(LBS_DEB_HOST);
+
+       lbs_deb_host("SEND_SLEEPC_CMD: before download, cmd size %d\n",
+              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)
+               lbs_deb_host("SEND_SLEEPC_CMD: intcounter %d, currenttxskb %p\n",
+                      priv->intcounter, priv->currenttxskb);
+       spin_unlock_irqrestore(&priv->driver_lock, flags);
+
+       if (ret) {
+               lbs_pr_alert(
+                      "SEND_SLEEPC_CMD: Host to Card failed for Confirm Sleep\n");
+       } else {
+               spin_lock_irqsave(&priv->driver_lock, flags);
+               if (!priv->intcounter) {
+                       priv->psstate = PS_STATE_SLEEP;
+               } else {
+                       lbs_deb_host("SEND_SLEEPC_CMD: after sent, intcounter %d\n",
+                              priv->intcounter);
+               }
+               spin_unlock_irqrestore(&priv->driver_lock, flags);
+
+               lbs_deb_host("SEND_SLEEPC_CMD: sent confirm sleep\n");
+       }
+
+       lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
+       return ret;
+}
+
+void lbs_ps_sleep(struct lbs_private *priv, int wait_option)
+{
+       lbs_deb_enter(LBS_DEB_HOST);
+
+       /*
+        * PS is currently supported only in Infrastructure mode
+        * Remove this check if it is to be supported in IBSS mode also
+        */
+
+       lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
+                             CMD_SUBCMD_ENTER_PS, wait_option, 0, NULL);
+
+       lbs_deb_leave(LBS_DEB_HOST);
+}
+
+/**
+ *  @brief This function sends Exit_PS command to firmware.
+ *
+ *  @param priv        A pointer to struct lbs_private structure
+ *  @param wait_option wait response or not
+ *  @return            n/a
+ */
+void lbs_ps_wakeup(struct lbs_private *priv, int wait_option)
+{
+       __le32 Localpsmode;
+
+       lbs_deb_enter(LBS_DEB_HOST);
+
+       Localpsmode = cpu_to_le32(LBS802_11POWERMODECAM);
+
+       lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
+                             CMD_SUBCMD_EXIT_PS,
+                             wait_option, 0, &Localpsmode);
+
+       lbs_deb_leave(LBS_DEB_HOST);
+}
+
+/**
+ *  @brief This function checks condition and prepares to
+ *  send sleep confirm command to firmware if ok.
+ *
+ *  @param priv        A pointer to struct lbs_private structure
+ *  @param psmode      Power Saving mode
+ *  @return            n/a
+ */
+void lbs_ps_confirm_sleep(struct lbs_private *priv, u16 psmode)
+{
+       unsigned long flags =0;
+       u8 allowed = 1;
+
+       lbs_deb_enter(LBS_DEB_HOST);
+
+       if (priv->dnld_sent) {
+               allowed = 0;
+               lbs_deb_host("dnld_sent was set");
+       }
+
+       spin_lock_irqsave(&priv->driver_lock, flags);
+       if (priv->cur_cmd) {
+               allowed = 0;
+               lbs_deb_host("cur_cmd was set");
+       }
+       if (priv->intcounter > 0) {
+               allowed = 0;
+               lbs_deb_host("intcounter %d", priv->intcounter);
+       }
+       spin_unlock_irqrestore(&priv->driver_lock, flags);
+
+       if (allowed) {
+               lbs_deb_host("sending lbs_ps_confirm_sleep\n");
+               sendconfirmsleep(priv, (u8 *) & priv->lbs_ps_confirm_sleep,
+                                sizeof(struct PS_CMD_ConfirmSleep));
+       } else {
+               lbs_deb_host("sleep confirm has been delayed\n");
+       }
+
+       lbs_deb_leave(LBS_DEB_HOST);
+}
+
+
+/**
+ *  @brief Simple callback that copies response back into command
+ *
+ *  @param priv        A pointer to struct lbs_private structure
+ *  @param extra       A pointer to the original command structure for which
+ *                      'resp' is a response
+ *  @param resp         A pointer to the command response
+ *
+ *  @return            0 on success, error on failure
+ */
+int lbs_cmd_copyback(struct lbs_private *priv, unsigned long extra,
+                    struct cmd_header *resp)
+{
+       struct cmd_header *buf = (void *)extra;
+       uint16_t copy_len;
+
+       lbs_deb_enter(LBS_DEB_CMD);
+
+       copy_len = min(le16_to_cpu(buf->size), le16_to_cpu(resp->size));
+       lbs_deb_cmd("Copying back %u bytes; command response was %u bytes, "
+                   "copy back buffer was %u bytes\n", copy_len,
+                   le16_to_cpu(resp->size), le16_to_cpu(buf->size));
+       memcpy(buf, resp, copy_len);
+
+       lbs_deb_leave(LBS_DEB_CMD);
+       return 0;
+}
+
+/**
+ *  @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 *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;
+               goto done;
+       }
+
+       cmdnode = lbs_get_cmd_ctrl_node(priv);
+       if (cmdnode == NULL) {
+               lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
+
+               /* Wake up main thread to execute next command */
+               wake_up_interruptible(&priv->waitq);
+               ret = -1;
+               goto done;
+       }
+
+       cmdnode->wait_option = CMD_OPTION_WAITFORRSP;
+       cmdnode->callback = callback;
+       cmdnode->callback_arg = callback_arg;
+
+       /* Copy the incoming command to the buffer */
+       memcpy(cmdnode->cmdbuf, in_cmd, in_cmd_size);
+
+       /* Set sequence number, clean result, move to buffer */
+       priv->seqnum++;
+       cmdnode->cmdbuf->command = cpu_to_le16(command);
+       cmdnode->cmdbuf->size    = cpu_to_le16(in_cmd_size);
+       cmdnode->cmdbuf->seqnum  = cpu_to_le16(priv->seqnum);
+       cmdnode->cmdbuf->result  = 0;
+
+       lbs_deb_host("PREP_CMD: command 0x%04x\n", command);
+
+       /* here was the big old switch() statement, which is now obsolete,
+        * because the caller of lbs_cmd() sets up all of *cmd for us. */
+
+       cmdnode->cmdwaitqwoken = 0;
+       lbs_queue_cmd(priv, cmdnode, 1);
+       wake_up_interruptible(&priv->waitq);
+
+       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;
+       }
+       spin_unlock_irqrestore(&priv->driver_lock, flags);
+
+done:
+       lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
+       return ret;
+}
+EXPORT_SYMBOL_GPL(__lbs_cmd);
+
+