-/**
- * 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 <linux/kfifo.h>
-#include "host.h"
-#include "hostcmd.h"
-#include "decl.h"
-#include "defs.h"
-#include "dev.h"
-#include "assoc.h"
-#include "wext.h"
-#include "cmd.h"
-
-static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv);
-
-
-/**
- * @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;
-
- copy_len = min(le16_to_cpu(buf->size), le16_to_cpu(resp->size));
- memcpy(buf, resp, copy_len);
- return 0;
-}
-EXPORT_SYMBOL_GPL(lbs_cmd_copyback);
-
-/**
- * @brief Simple callback that ignores the result. Use this if
- * you just want to send a command to the hardware, but don't
- * care for the result.
- *
- * @param priv ignored
- * @param extra ignored
- * @param resp ignored
- *
- * @return 0 for success
- */
-static int lbs_cmd_async_callback(struct lbs_private *priv, unsigned long extra,
- struct cmd_header *resp)
-{
- return 0;
-}
-
-
-/**
- * @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);
-
- /* The firmware release is in an interesting format: the patch
- * level is in the most significant nibble ... so fix that: */
- priv->fwrelease = le32_to_cpu(cmd.fwrelease);
- priv->fwrelease = (priv->fwrelease << 8) |
- (priv->fwrelease >> 24 & 0xff);
-
- /* Some firmware capabilities:
- * CF card firmware 5.0.16p0: cap 0x00000303
- * USB dongle firmware 5.110.17p2: cap 0x00000303
- */
- printk("libertas: %s, fw %u.%u.%up%u, cap 0x%08x\n",
- print_mac(mac, cmd.permanentaddr),
- priv->fwrelease >> 24 & 0xff,
- priv->fwrelease >> 16 & 0xff,
- priv->fwrelease >> 8 & 0xff,
- priv->fwrelease & 0xff,
- priv->fwcapinfo);
- 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;
-}
-
-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 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;
-}
-
-int lbs_cmd_802_11_inactivity_timeout(struct lbs_private *priv,
- uint16_t cmd_action, uint16_t *timeout)
-{
- struct cmd_ds_802_11_inactivity_timeout cmd;
- int ret;
-
- lbs_deb_enter(LBS_DEB_CMD);
-
- cmd.hdr.command = cpu_to_le16(CMD_802_11_INACTIVITY_TIMEOUT);
- cmd.hdr.size = cpu_to_le16(sizeof(cmd));
-
- cmd.action = cpu_to_le16(cmd_action);
-
- if (cmd_action == CMD_ACT_SET)
- cmd.timeout = cpu_to_le16(*timeout);
- else
- cmd.timeout = 0;
-
- 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;
-}
-
-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 cmd;
- int ret;
-
- lbs_deb_enter(LBS_DEB_CMD);
-
- if (cmd_action == CMD_ACT_GET) {
- 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_args(LBS_DEB_CMD, "ret %d", ret);
- return 0;
-}
-
-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 cmd;
- int ret = 0;
-
- lbs_deb_enter(LBS_DEB_CMD);
-
- memset(&cmd, 0, sizeof(cmd));
- cmd.hdr.command = cpu_to_le16(CMD_802_11_SET_WEP);
- cmd.hdr.size = cpu_to_le16(sizeof(cmd));
-
- cmd.action = cpu_to_le16(cmd_action);
-
- if (cmd_action == CMD_ACT_ADD) {
- int i;
-
- /* default tx key index */
- 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->wep_keys[i];
-
- switch (pkey->len) {
- case KEY_LEN_WEP_40:
- 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:
- 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);
- ret = -1;
- goto done;
- break;
- }
- }
- } else if (cmd_action == CMD_ACT_REMOVE) {
- /* ACT_REMOVE clears _all_ WEP keys */
-
- /* default tx key index */
- 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 = lbs_cmd_with_response(priv, CMD_802_11_SET_WEP, &cmd);
-done:
- lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
- return ret;
-}
-
-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 cmd;
- int ret;
-
- lbs_deb_enter(LBS_DEB_CMD);
-
- cmd.hdr.size = cpu_to_le16(sizeof(cmd));
- cmd.action = cpu_to_le16(cmd_action);
-
- if (cmd_action == CMD_ACT_GET)
- cmd.enable = 0;
- else {
- if (*enable)
- cmd.enable = cpu_to_le16(CMD_ENABLE_RSN);
- else
- cmd.enable = cpu_to_le16(CMD_DISABLE_RSN);
- lbs_deb_cmd("ENABLE_RSN: %d\n", *enable);
- }
-
- 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_args(LBS_DEB_CMD, "ret %d", ret);
- return ret;
-}
-
-static void set_one_wpa_key(struct MrvlIEtype_keyParamSet *keyparam,
- struct enc_key *key)
-{
- lbs_deb_enter(LBS_DEB_CMD);
-
- if (key->flags & KEY_INFO_WPA_ENABLED)
- keyparam->keyinfo |= cpu_to_le16(KEY_INFO_WPA_ENABLED);
- if (key->flags & KEY_INFO_WPA_UNICAST)
- keyparam->keyinfo |= cpu_to_le16(KEY_INFO_WPA_UNICAST);
- if (key->flags & KEY_INFO_WPA_MCAST)
- keyparam->keyinfo |= cpu_to_le16(KEY_INFO_WPA_MCAST);
-
- keyparam->type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
- keyparam->keytypeid = cpu_to_le16(key->type);
- keyparam->keylen = cpu_to_le16(key->len);
- memcpy(keyparam->key, key->key, key->len);
-
- /* Length field doesn't include the {type,length} header */
- keyparam->length = cpu_to_le16(sizeof(*keyparam) - 4);
- lbs_deb_leave(LBS_DEB_CMD);
-}
-
-int lbs_cmd_802_11_key_material(struct lbs_private *priv, uint16_t cmd_action,
- struct assoc_request *assoc)
-{
- struct cmd_ds_802_11_key_material cmd;
- int ret = 0;
- int index = 0;
-
- lbs_deb_enter(LBS_DEB_CMD);
-
- cmd.action = cpu_to_le16(cmd_action);
- cmd.hdr.size = cpu_to_le16(sizeof(cmd));
-
- if (cmd_action == CMD_ACT_GET) {
- cmd.hdr.size = cpu_to_le16(S_DS_GEN + 2);
- } else {
- memset(cmd.keyParamSet, 0, sizeof(cmd.keyParamSet));
-
- if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc->flags)) {
- set_one_wpa_key(&cmd.keyParamSet[index],
- &assoc->wpa_unicast_key);
- index++;
- }
-
- if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc->flags)) {
- set_one_wpa_key(&cmd.keyParamSet[index],
- &assoc->wpa_mcast_key);
- index++;
- }
-
- /* The common header and as many keys as we included */
- cmd.hdr.size = cpu_to_le16(offsetof(typeof(cmd),
- keyParamSet[index]));
- }
- ret = lbs_cmd_with_response(priv, CMD_802_11_KEY_MATERIAL, &cmd);
- /* Copy the returned key to driver private data */
- if (!ret && cmd_action == CMD_ACT_GET) {
- void *buf_ptr = cmd.keyParamSet;
- void *resp_end = &(&cmd)[1];
-
- while (buf_ptr < resp_end) {
- struct MrvlIEtype_keyParamSet *keyparam = buf_ptr;
- struct enc_key *key;
- uint16_t param_set_len = le16_to_cpu(keyparam->length);
- uint16_t key_len = le16_to_cpu(keyparam->keylen);
- uint16_t key_flags = le16_to_cpu(keyparam->keyinfo);
- uint16_t key_type = le16_to_cpu(keyparam->keytypeid);
- void *end;
-
- end = (void *)keyparam + sizeof(keyparam->type)
- + sizeof(keyparam->length) + param_set_len;
-
- /* Make sure we don't access past the end of the IEs */
- if (end > resp_end)
- break;
-
- if (key_flags & KEY_INFO_WPA_UNICAST)
- key = &priv->wpa_unicast_key;
- else if (key_flags & KEY_INFO_WPA_MCAST)
- key = &priv->wpa_mcast_key;
- else
- break;
-
- /* Copy returned key into driver */
- memset(key, 0, sizeof(struct enc_key));
- if (key_len > sizeof(key->key))
- break;
- key->type = key_type;
- key->flags = key_flags;
- key->len = key_len;
- memcpy(key->key, keyparam->key, key->len);
-
- buf_ptr = end + 1;
- }
- }
-
- lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
- return ret;
-}
-
-static int lbs_cmd_802_11_reset(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_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_rf_tx_power(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 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);
-
- memset(&cmd, 0, sizeof(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;
-}
-
-int lbs_update_channel(struct lbs_private *priv)
-{
- int ret;
-
- /* the channel in f/w could be out of sync; get the current channel */
- lbs_deb_enter(LBS_DEB_ASSOC);
-
- ret = lbs_get_channel(priv);
- if (ret > 0) {
- priv->curbssparams.channel = ret;
- ret = 0;
- }
- lbs_deb_leave_args(LBS_DEB_ASSOC, "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);
-
- memset(&cmd, 0, sizeof(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 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_bt_access(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 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(*cmd));
- 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;
-}
-
-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(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);
- }
- 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,
- 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;
-}
-
-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) {
- 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[1];
-
- 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);
-}
-
-static void lbs_submit_command(struct lbs_private *priv,
- struct cmd_ctrl_node *cmdnode)
-{
- unsigned long flags;
- struct cmd_header *cmd;
- uint16_t cmdsize;
- uint16_t command;
- int timeo = 5 * HZ;
- int ret;
-
- lbs_deb_enter(LBS_DEB_HOST);
-
- cmd = cmdnode->cmdbuf;
-
- spin_lock_irqsave(&priv->driver_lock, flags);
- 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);
-
- /* These commands take longer */
- if (command == CMD_802_11_SCAN || command == CMD_802_11_ASSOCIATE ||
- command == CMD_802_11_AUTHENTICATE)
- timeo = 10 * HZ;
-
- lbs_deb_cmd("DNLD_CMD: command 0x%04x, seq %d, size %d\n",
- command, le16_to_cpu(cmd->seqnum), cmdsize);
- lbs_deb_hex(LBS_DEB_CMD, "DNLD_CMD", (void *) cmdnode->cmdbuf, cmdsize);
-
- ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmd, cmdsize);
-
- 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;
- }
-
- /* Setup the timer after transmit command */
- mod_timer(&priv->command_timer, jiffies + timeo);
-
- lbs_deb_leave(LBS_DEB_HOST);
-}
-
-/**
- * This function inserts command node to cmdfreeq
- * after cleans it. Requires priv->driver_lock held.
- */
-static void __lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
- struct cmd_ctrl_node *cmdnode)
-{
- lbs_deb_enter(LBS_DEB_HOST);
-
- if (!cmdnode)
- goto out;
-
- 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,
- 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);
-}
-
-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 || cmd->callback == lbs_cmd_async_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);
-
- cmd.hdr.size = cpu_to_le16(sizeof(cmd));
- cmd.action = cpu_to_le16(CMD_ACT_SET);
-
- 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;
-}
-
-void lbs_set_mac_control(struct lbs_private *priv)
-{
- struct cmd_ds_mac_control cmd;
-
- lbs_deb_enter(LBS_DEB_CMD);
-
- cmd.hdr.size = cpu_to_le16(sizeof(cmd));
- cmd.action = cpu_to_le16(priv->mac_control);
- cmd.reserved = 0;
-
- lbs_cmd_async(priv, CMD_MAC_CONTROL,
- &cmd.hdr, sizeof(cmd));
-
- lbs_deb_leave(LBS_DEB_CMD);
-}
-
-/**
- * @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;
- }
-
- cmdnode->callback = NULL;
- cmdnode->callback_arg = (unsigned long)pdata_buf;
-
- cmdptr = (struct cmd_ds_command *)cmdnode->cmdbuf;
-
- lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no);
-
- /* 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(cmdptr, cmd_action);
- 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_AD_HOC_START:
- ret = lbs_cmd_80211_ad_hoc_start(priv, cmdptr, pdata_buf);
- break;
-
- case CMD_802_11_RESET:
- ret = lbs_cmd_802_11_reset(cmdptr, cmd_action);
- break;
-
- case CMD_802_11_AUTHENTICATE:
- ret = lbs_cmd_80211_authenticate(priv, cmdptr, pdata_buf);
- 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(cmdptr, cmd_action, pdata_buf);
- break;
-
- case CMD_802_11_RF_TX_POWER:
- ret = lbs_cmd_802_11_rf_tx_power(cmdptr,
- cmd_action, pdata_buf);
- 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(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(cmdptr);
- 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_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_BT_ACCESS:
- ret = lbs_cmd_bt_access(cmdptr, cmd_action, pdata_buf);
- break;
-
- case CMD_FWT_ACCESS:
- ret = lbs_cmd_fwt_access(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);
- 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;
-}
-
-/**
- * @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);
-
- lbs_deb_leave(LBS_DEB_HOST);
- return tempnode;
-}
-
-/**
- * @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[1];
-
- 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);
- spin_lock_irqsave(&priv->driver_lock, flags);
- lbs_complete_command(priv, cmdnode, 0);
- spin_unlock_irqrestore(&priv->driver_lock, flags);
-
- 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);
- 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;
- 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));
- lbs_submit_command(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 void lbs_send_confirmsleep(struct lbs_private *priv)
-{
- unsigned long flags;
- int ret;
-
- lbs_deb_enter(LBS_DEB_HOST);
- lbs_deb_hex(LBS_DEB_HOST, "sleep confirm", (u8 *) &confirm_sleep,
- sizeof(confirm_sleep));
-
- ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) &confirm_sleep,
- sizeof(confirm_sleep));
- if (ret) {
- lbs_pr_alert("confirm_sleep failed\n");
- goto out;
- }
-
- spin_lock_irqsave(&priv->driver_lock, flags);
-
- /* We don't get a response on the sleep-confirmation */
- priv->dnld_sent = DNLD_RES_RECEIVED;
-
- /* If nothing to do, go back to sleep (?) */
- if (!__kfifo_len(priv->event_fifo) && !priv->resp_len[priv->resp_idx])
- priv->psstate = PS_STATE_SLEEP;
-
- spin_unlock_irqrestore(&priv->driver_lock, flags);
-
-out:
- lbs_deb_leave(LBS_DEB_HOST);
-}
-
-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)
-{
- unsigned long flags =0;
- int allowed = 1;
-
- lbs_deb_enter(LBS_DEB_HOST);
-
- spin_lock_irqsave(&priv->driver_lock, flags);
- if (priv->dnld_sent) {
- allowed = 0;
- lbs_deb_host("dnld_sent was set\n");
- }
-
- /* In-progress command? */
- if (priv->cur_cmd) {
- allowed = 0;
- lbs_deb_host("cur_cmd was set\n");
- }
-
- /* Pending events or command responses? */
- if (__kfifo_len(priv->event_fifo) || priv->resp_len[priv->resp_idx]) {
- allowed = 0;
- lbs_deb_host("pending events or command responses\n");
- }
- spin_unlock_irqrestore(&priv->driver_lock, flags);
-
- if (allowed) {
- lbs_deb_host("sending lbs_ps_confirm_sleep\n");
- lbs_send_confirmsleep(priv);
- } else {
- lbs_deb_host("sleep confirm has been delayed\n");
- }
-
- lbs_deb_leave(LBS_DEB_HOST);
-}
-
-
-static 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;
-
- lbs_deb_enter(LBS_DEB_HOST);
-
- if (priv->surpriseremoved) {
- lbs_deb_host("PREP_CMD: card removed\n");
- cmdnode = ERR_PTR(-ENOENT);
- 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);
- cmdnode = ERR_PTR(-ENOBUFS);
- goto done;
- }
-
- 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);
-
- cmdnode->cmdwaitqwoken = 0;
- lbs_queue_cmd(priv, cmdnode);
- wake_up_interruptible(&priv->waitq);
-
- done:
- lbs_deb_leave_args(LBS_DEB_HOST, "ret %p", cmdnode);
- return cmdnode;
-}
-
-void lbs_cmd_async(struct lbs_private *priv, uint16_t command,
- struct cmd_header *in_cmd, int in_cmd_size)
-{
- lbs_deb_enter(LBS_DEB_CMD);
- __lbs_cmd_async(priv, command, in_cmd, in_cmd_size,
- lbs_cmd_async_callback, 0);
- lbs_deb_leave(LBS_DEB_CMD);
-}
-
-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);
- 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:
- lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
- return ret;
-}
-EXPORT_SYMBOL_GPL(__lbs_cmd);
-
-
projects / openwrt / svn-archive / archive.git / blobdiff