diff options
Diffstat (limited to 'package/libertas/src/cmd.c')
| -rw-r--r-- | package/libertas/src/cmd.c | 2034 |
1 files changed, 0 insertions, 2034 deletions
diff --git a/package/libertas/src/cmd.c b/package/libertas/src/cmd.c deleted file mode 100644 index 8124fd9..0000000 --- a/package/libertas/src/cmd.c +++ /dev/null @@ -1,2034 +0,0 @@ -/** - * 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); - - |