diff options
Diffstat (limited to 'drivers/net/wireless/libertas/cmd.c')
| -rw-r--r-- | drivers/net/wireless/libertas/cmd.c | 2604 |
1 files changed, 1202 insertions, 1402 deletions
diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c index 1cbbd96fdbd..aaa297315c4 100644 --- a/drivers/net/wireless/libertas/cmd.c +++ b/drivers/net/wireless/libertas/cmd.c @@ -1,921 +1,947 @@ -/** - * This file contains the handling of command. - * It prepares command and sends it to firmware when it is ready. - */ +/* + * This file contains the handling of command. + * It prepares command and sends it to firmware when it is ready. + */ -#include <net/iw_handler.h> -#include "host.h" -#include "hostcmd.h" -#include "decl.h" -#include "defs.h" -#include "dev.h" -#include "join.h" -#include "wext.h" +#include <linux/hardirq.h> +#include <linux/kfifo.h> +#include <linux/sched.h> +#include <linux/slab.h> +#include <linux/if_arp.h> +#include <linux/export.h> -static void cleanup_cmdnode(struct cmd_ctrl_node *ptempnode); +#include "decl.h" +#include "cfg.h" +#include "cmd.h" -static u16 commands_allowed_in_ps[] = { - CMD_802_11_RSSI, -}; +#define CAL_NF(nf) ((s32)(-(s32)(nf))) +#define CAL_RSSI(snr, nf) ((s32)((s32)(snr) + CAL_NF(nf))) /** - * @brief This function checks if the commans is allowed - * in PS mode not. + * lbs_cmd_copyback - Simple callback that copies response back into command + * + * @priv: A pointer to &struct lbs_private structure + * @extra: A pointer to the original command structure for which + * 'resp' is a response + * @resp: A pointer to the command response * - * @param command the command ID - * @return TRUE or FALSE + * returns: 0 on success, error on failure */ -static u8 is_command_allowed_in_ps(__le16 command) +int lbs_cmd_copyback(struct lbs_private *priv, unsigned long extra, + struct cmd_header *resp) { - int i; - - for (i = 0; i < ARRAY_SIZE(commands_allowed_in_ps); i++) { - if (command == cpu_to_le16(commands_allowed_in_ps[i])) - return 1; - } + 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); -static int wlan_cmd_hw_spec(wlan_private * priv, struct cmd_ds_command *cmd) +/** + * lbs_cmd_async_callback - 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. + * + * @priv: ignored + * @extra: ignored + * @resp: ignored + * + * returns: 0 for success + */ +static int lbs_cmd_async_callback(struct lbs_private *priv, unsigned long extra, + struct cmd_header *resp) { - struct cmd_ds_get_hw_spec *hwspec = &cmd->params.hwspec; - - lbs_deb_enter(LBS_DEB_CMD); - - cmd->command = cpu_to_le16(CMD_GET_HW_SPEC); - cmd->size = cpu_to_le16(sizeof(struct cmd_ds_get_hw_spec) + S_DS_GEN); - memcpy(hwspec->permanentaddr, priv->adapter->current_addr, ETH_ALEN); - - lbs_deb_leave(LBS_DEB_CMD); return 0; } -static int wlan_cmd_802_11_ps_mode(wlan_private * priv, - struct cmd_ds_command *cmd, - u16 cmd_action) -{ - struct cmd_ds_802_11_ps_mode *psm = &cmd->params.psmode; - - lbs_deb_enter(LBS_DEB_CMD); - - cmd->command = cpu_to_le16(CMD_802_11_PS_MODE); - cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_ps_mode) + - S_DS_GEN); - psm->action = cpu_to_le16(cmd_action); - psm->multipledtim = 0; - switch (cmd_action) { - case CMD_SUBCMD_ENTER_PS: - lbs_deb_cmd("PS command:" "SubCode- Enter PS\n"); - - psm->locallisteninterval = 0; - psm->nullpktinterval = 0; - psm->multipledtim = - cpu_to_le16(MRVDRV_DEFAULT_MULTIPLE_DTIM); - break; - - case CMD_SUBCMD_EXIT_PS: - lbs_deb_cmd("PS command:" "SubCode- Exit PS\n"); - break; - - case CMD_SUBCMD_SLEEP_CONFIRMED: - lbs_deb_cmd("PS command: SubCode- sleep confirm\n"); - break; +/** + * is_command_allowed_in_ps - tests if a command is allowed in Power Save mode + * + * @cmd: the command ID + * + * returns: 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; + case CMD_802_11_HOST_SLEEP_CFG: + return 1; default: break; } - - lbs_deb_leave(LBS_DEB_CMD); return 0; } -static int wlan_cmd_802_11_inactivity_timeout(wlan_private * priv, - struct cmd_ds_command *cmd, - u16 cmd_action, void *pdata_buf) +/** + * lbs_update_hw_spec - Updates the hardware details like MAC address + * and regulatory region + * + * @priv: A pointer to &struct lbs_private structure + * + * returns: 0 on success, error on failure + */ +int lbs_update_hw_spec(struct lbs_private *priv) { - u16 *timeout = pdata_buf; + struct cmd_ds_get_hw_spec cmd; + int ret = -1; + u32 i; lbs_deb_enter(LBS_DEB_CMD); - cmd->command = cpu_to_le16(CMD_802_11_INACTIVITY_TIMEOUT); - cmd->size = - cpu_to_le16(sizeof(struct cmd_ds_802_11_inactivity_timeout) - + S_DS_GEN); + 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; - cmd->params.inactivity_timeout.action = cpu_to_le16(cmd_action); + priv->fwcapinfo = le32_to_cpu(cmd.fwcapinfo); - if (cmd_action) - cmd->params.inactivity_timeout.timeout = cpu_to_le16(*timeout); - else - cmd->params.inactivity_timeout.timeout = 0; + /* 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); - lbs_deb_leave(LBS_DEB_CMD); - return 0; -} + /* Some firmware capabilities: + * CF card firmware 5.0.16p0: cap 0x00000303 + * USB dongle firmware 5.110.17p2: cap 0x00000303 + */ + netdev_info(priv->dev, "%pM, fw %u.%u.%up%u, cap 0x%08x\n", + 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. + * + * Firmware version 4.0.102 used in CF8381 has region code shifted. We + * need to check for this problem and handle it properly. + */ + if (MRVL_FW_MAJOR_REV(priv->fwrelease) == MRVL_FW_V4) + priv->regioncode = (le16_to_cpu(cmd.regioncode) >> 8) & 0xFF; + else + priv->regioncode = le16_to_cpu(cmd.regioncode) & 0xFF; -static int wlan_cmd_802_11_sleep_params(wlan_private * priv, - struct cmd_ds_command *cmd, - u16 cmd_action) -{ - wlan_adapter *adapter = priv->adapter; - struct cmd_ds_802_11_sleep_params *sp = &cmd->params.sleep_params; + 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; + } - lbs_deb_enter(LBS_DEB_CMD); + /* if it's unidentified region code, use the default (USA) */ + if (i >= MRVDRV_MAX_REGION_CODE) { + priv->regioncode = 0x10; + netdev_info(priv->dev, + "unidentified region code; using the default (USA)\n"); + } - cmd->size = cpu_to_le16((sizeof(struct cmd_ds_802_11_sleep_params)) + - S_DS_GEN); - cmd->command = cpu_to_le16(CMD_802_11_SLEEP_PARAMS); + if (priv->current_addr[0] == 0xff) + memmove(priv->current_addr, cmd.permanentaddr, ETH_ALEN); - if (cmd_action == CMD_ACT_GET) { - memset(&adapter->sp, 0, sizeof(struct sleep_params)); - memset(sp, 0, sizeof(struct cmd_ds_802_11_sleep_params)); - sp->action = cpu_to_le16(cmd_action); - } else if (cmd_action == CMD_ACT_SET) { - sp->action = cpu_to_le16(cmd_action); - sp->error = cpu_to_le16(adapter->sp.sp_error); - sp->offset = cpu_to_le16(adapter->sp.sp_offset); - sp->stabletime = cpu_to_le16(adapter->sp.sp_stabletime); - sp->calcontrol = (u8) adapter->sp.sp_calcontrol; - sp->externalsleepclk = (u8) adapter->sp.sp_extsleepclk; - sp->reserved = cpu_to_le16(adapter->sp.sp_reserved); + if (!priv->copied_hwaddr) { + 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); + priv->copied_hwaddr = 1; } +out: lbs_deb_leave(LBS_DEB_CMD); - return 0; + return ret; } -static int wlan_cmd_802_11_set_wep(wlan_private * priv, - struct cmd_ds_command *cmd, - u32 cmd_act, - void * pdata_buf) +static int lbs_ret_host_sleep_cfg(struct lbs_private *priv, unsigned long dummy, + struct cmd_header *resp) { - struct cmd_ds_802_11_set_wep *wep = &cmd->params.wep; - wlan_adapter *adapter = priv->adapter; - int ret = 0; - struct assoc_request * assoc_req = pdata_buf; - lbs_deb_enter(LBS_DEB_CMD); + if (priv->is_host_sleep_activated) { + priv->is_host_sleep_configured = 0; + if (priv->psstate == PS_STATE_FULL_POWER) { + priv->is_host_sleep_activated = 0; + wake_up_interruptible(&priv->host_sleep_q); + } + } else { + priv->is_host_sleep_configured = 1; + } + lbs_deb_leave(LBS_DEB_CMD); + return 0; +} - cmd->command = cpu_to_le16(CMD_802_11_SET_WEP); - cmd->size = cpu_to_le16(sizeof(*wep) + S_DS_GEN); +int lbs_host_sleep_cfg(struct lbs_private *priv, uint32_t criteria, + struct wol_config *p_wol_config) +{ + struct cmd_ds_host_sleep cmd_config; + int ret; - if (cmd_act == CMD_ACT_ADD) { - int i; + /* + * Certain firmware versions do not support EHS_REMOVE_WAKEUP command + * and the card will return a failure. Since we need to be + * able to reset the mask, in those cases we set a 0 mask instead. + */ + if (criteria == EHS_REMOVE_WAKEUP && !priv->ehs_remove_supported) + criteria = 0; - if (!assoc_req) { - lbs_deb_cmd("Invalid association request!"); - ret = -1; - goto done; - } + 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; - wep->action = cpu_to_le16(CMD_ACT_ADD); - - /* default tx key index */ - wep->keyindex = cpu_to_le16((u16)(assoc_req->wep_tx_keyidx & - (u32)CMD_WEP_KEY_INDEX_MASK)); - - /* Copy key types and material to host command structure */ - for (i = 0; i < 4; i++) { - struct enc_key * pkey = &assoc_req->wep_keys[i]; - - switch (pkey->len) { - case KEY_LEN_WEP_40: - wep->keytype[i] = CMD_TYPE_WEP_40_BIT; - memmove(&wep->keymaterial[i], pkey->key, - pkey->len); - lbs_deb_cmd("SET_WEP: add key %d (40 bit)\n", i); - break; - case KEY_LEN_WEP_104: - wep->keytype[i] = CMD_TYPE_WEP_104_BIT; - memmove(&wep->keymaterial[i], pkey->key, - pkey->len); - lbs_deb_cmd("SET_WEP: add key %d (104 bit)\n", i); - break; - case 0: - break; - default: - lbs_deb_cmd("SET_WEP: invalid key %d, length %d\n", - i, pkey->len); - ret = -1; - goto done; - break; - } - } - } else if (cmd_act == CMD_ACT_REMOVE) { - /* ACT_REMOVE clears _all_ WEP keys */ - wep->action = cpu_to_le16(CMD_ACT_REMOVE); - - /* default tx key index */ - wep->keyindex = cpu_to_le16((u16)(adapter->wep_tx_keyidx & - (u32)CMD_WEP_KEY_INDEX_MASK)); - lbs_deb_cmd("SET_WEP: remove key %d\n", adapter->wep_tx_keyidx); + if (p_wol_config != NULL) + memcpy((uint8_t *)&cmd_config.wol_conf, (uint8_t *)p_wol_config, + sizeof(struct wol_config)); + else + cmd_config.wol_conf.action = CMD_ACT_ACTION_NONE; + + ret = __lbs_cmd(priv, CMD_802_11_HOST_SLEEP_CFG, &cmd_config.hdr, + le16_to_cpu(cmd_config.hdr.size), + lbs_ret_host_sleep_cfg, 0); + if (!ret) { + if (p_wol_config) + memcpy((uint8_t *) p_wol_config, + (uint8_t *)&cmd_config.wol_conf, + sizeof(struct wol_config)); + } else { + netdev_info(priv->dev, "HOST_SLEEP_CFG failed %d\n", ret); } - ret = 0; - -done: - lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); return ret; } +EXPORT_SYMBOL_GPL(lbs_host_sleep_cfg); -static int wlan_cmd_802_11_enable_rsn(wlan_private * priv, - struct cmd_ds_command *cmd, - u16 cmd_action, - void * pdata_buf) +/** + * lbs_set_ps_mode - Sets the Power Save mode + * + * @priv: A pointer to &struct lbs_private structure + * @cmd_action: The Power Save operation (PS_MODE_ACTION_ENTER_PS or + * PS_MODE_ACTION_EXIT_PS) + * @block: Whether to block on a response or not + * + * returns: 0 on success, error on failure + */ +int lbs_set_ps_mode(struct lbs_private *priv, u16 cmd_action, bool block) { - struct cmd_ds_802_11_enable_rsn *penableRSN = &cmd->params.enbrsn; - u32 * enable = pdata_buf; + struct cmd_ds_802_11_ps_mode cmd; + int ret = 0; lbs_deb_enter(LBS_DEB_CMD); - cmd->command = cpu_to_le16(CMD_802_11_ENABLE_RSN); - cmd->size = cpu_to_le16(sizeof(*penableRSN) + S_DS_GEN); - penableRSN->action = cpu_to_le16(cmd_action); + memset(&cmd, 0, sizeof(cmd)); + cmd.hdr.size = cpu_to_le16(sizeof(cmd)); + cmd.action = cpu_to_le16(cmd_action); - if (cmd_action == CMD_ACT_SET) { - if (*enable) - penableRSN->enable = cpu_to_le16(CMD_ENABLE_RSN); - else - penableRSN->enable = cpu_to_le16(CMD_DISABLE_RSN); - lbs_deb_cmd("ENABLE_RSN: %d\n", *enable); + if (cmd_action == PS_MODE_ACTION_ENTER_PS) { + lbs_deb_cmd("PS_MODE: action ENTER_PS\n"); + cmd.multipledtim = cpu_to_le16(1); /* Default DTIM multiple */ + } else if (cmd_action == PS_MODE_ACTION_EXIT_PS) { + lbs_deb_cmd("PS_MODE: action EXIT_PS\n"); + } else { + /* We don't handle CONFIRM_SLEEP here because it needs to + * be fastpathed to the firmware. + */ + lbs_deb_cmd("PS_MODE: unknown action 0x%X\n", cmd_action); + ret = -EOPNOTSUPP; + goto out; } - lbs_deb_leave(LBS_DEB_CMD); - return 0; -} + if (block) + ret = lbs_cmd_with_response(priv, CMD_802_11_PS_MODE, &cmd); + else + lbs_cmd_async(priv, CMD_802_11_PS_MODE, &cmd.hdr, sizeof (cmd)); +out: + lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); + return ret; +} -static void set_one_wpa_key(struct MrvlIEtype_keyParamSet * pkeyparamset, - struct enc_key * pkey) +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 (pkey->flags & KEY_INFO_WPA_ENABLED) { - pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_ENABLED); - } - if (pkey->flags & KEY_INFO_WPA_UNICAST) { - pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_UNICAST); + if (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); } - if (pkey->flags & KEY_INFO_WPA_MCAST) { - pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_MCAST); + 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); } - pkeyparamset->type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL); - pkeyparamset->keytypeid = cpu_to_le16(pkey->type); - pkeyparamset->keylen = cpu_to_le16(pkey->len); - memcpy(pkeyparamset->key, pkey->key, pkey->len); - pkeyparamset->length = cpu_to_le16( sizeof(pkeyparamset->keytypeid) - + sizeof(pkeyparamset->keyinfo) - + sizeof(pkeyparamset->keylen) - + sizeof(pkeyparamset->key)); - lbs_deb_leave(LBS_DEB_CMD); + lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); + return 0; } -static int wlan_cmd_802_11_key_material(wlan_private * priv, - struct cmd_ds_command *cmd, - u16 cmd_action, - u32 cmd_oid, void *pdata_buf) +static int lbs_wait_for_ds_awake(struct lbs_private *priv) { - struct cmd_ds_802_11_key_material *pkeymaterial = - &cmd->params.keymaterial; - struct assoc_request * assoc_req = pdata_buf; int ret = 0; - int index = 0; lbs_deb_enter(LBS_DEB_CMD); - cmd->command = cpu_to_le16(CMD_802_11_KEY_MATERIAL); - pkeymaterial->action = cpu_to_le16(cmd_action); - - if (cmd_action == CMD_ACT_GET) { - cmd->size = cpu_to_le16(S_DS_GEN + sizeof (pkeymaterial->action)); - ret = 0; - goto done; - } - - memset(&pkeymaterial->keyParamSet, 0, sizeof(pkeymaterial->keyParamSet)); - - if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags)) { - set_one_wpa_key(&pkeymaterial->keyParamSet[index], - &assoc_req->wpa_unicast_key); - index++; - } - - if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags)) { - set_one_wpa_key(&pkeymaterial->keyParamSet[index], - &assoc_req->wpa_mcast_key); - index++; + if (priv->is_deep_sleep) { + if (!wait_event_interruptible_timeout(priv->ds_awake_q, + !priv->is_deep_sleep, (10 * HZ))) { + netdev_err(priv->dev, "ds_awake_q: timer expired\n"); + ret = -1; + } } - cmd->size = cpu_to_le16( S_DS_GEN - + sizeof (pkeymaterial->action) - + (index * sizeof(struct MrvlIEtype_keyParamSet))); - - ret = 0; - -done: lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); return ret; } -static int wlan_cmd_802_11_reset(wlan_private * priv, - struct cmd_ds_command *cmd, int cmd_action) +int lbs_set_deep_sleep(struct lbs_private *priv, int deep_sleep) { - struct cmd_ds_802_11_reset *reset = &cmd->params.reset; + int ret = 0; 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 wlan_cmd_802_11_get_log(wlan_private * priv, - struct cmd_ds_command *cmd) -{ - lbs_deb_enter(LBS_DEB_CMD); - cmd->command = cpu_to_le16(CMD_802_11_GET_LOG); - cmd->size = - cpu_to_le16(sizeof(struct cmd_ds_802_11_get_log) + S_DS_GEN); + if (deep_sleep) { + if (priv->is_deep_sleep != 1) { + lbs_deb_cmd("deep sleep: sleep\n"); + BUG_ON(!priv->enter_deep_sleep); + ret = priv->enter_deep_sleep(priv); + if (!ret) { + netif_stop_queue(priv->dev); + netif_carrier_off(priv->dev); + } + } else { + netdev_err(priv->dev, "deep sleep: already enabled\n"); + } + } else { + if (priv->is_deep_sleep) { + lbs_deb_cmd("deep sleep: wakeup\n"); + BUG_ON(!priv->exit_deep_sleep); + ret = priv->exit_deep_sleep(priv); + if (!ret) { + ret = lbs_wait_for_ds_awake(priv); + if (ret) + netdev_err(priv->dev, + "deep sleep: wakeup failed\n"); + } + } + } - lbs_deb_leave(LBS_DEB_CMD); - return 0; + lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); + return ret; } -static int wlan_cmd_802_11_get_stat(wlan_private * priv, - struct cmd_ds_command *cmd) +static int lbs_ret_host_sleep_activate(struct lbs_private *priv, + unsigned long dummy, + struct cmd_header *cmd) { - lbs_deb_enter(LBS_DEB_CMD); - cmd->command = cpu_to_le16(CMD_802_11_GET_STAT); - cmd->size = - cpu_to_le16(sizeof(struct cmd_ds_802_11_get_stat) + S_DS_GEN); - - lbs_deb_leave(LBS_DEB_CMD); + lbs_deb_enter(LBS_DEB_FW); + priv->is_host_sleep_activated = 1; + wake_up_interruptible(&priv->host_sleep_q); + lbs_deb_leave(LBS_DEB_FW); return 0; } -static int wlan_cmd_802_11_snmp_mib(wlan_private * priv, - struct cmd_ds_command *cmd, - int cmd_action, - int cmd_oid, void *pdata_buf) +int lbs_set_host_sleep(struct lbs_private *priv, int host_sleep) { - struct cmd_ds_802_11_snmp_mib *pSNMPMIB = &cmd->params.smib; - wlan_adapter *adapter = priv->adapter; - u8 ucTemp; + struct cmd_header cmd; + int ret = 0; + uint32_t criteria = EHS_REMOVE_WAKEUP; 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 = 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 = CMD_ACT_SET; - pSNMPMIB->bufsize = sizeof(u16); - ulTemp = *(u32 *)pdata_buf; - *((__le16 *)(pSNMPMIB->value)) = - cpu_to_le16((u16) ulTemp); + if (host_sleep) { + if (priv->is_host_sleep_activated != 1) { + memset(&cmd, 0, sizeof(cmd)); + ret = lbs_host_sleep_cfg(priv, priv->wol_criteria, + (struct wol_config *)NULL); + if (ret) { + netdev_info(priv->dev, + "Host sleep configuration failed: %d\n", + ret); + return ret; } - 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); - + if (priv->psstate == PS_STATE_FULL_POWER) { + ret = __lbs_cmd(priv, + CMD_802_11_HOST_SLEEP_ACTIVATE, + &cmd, + sizeof(cmd), + lbs_ret_host_sleep_activate, 0); + if (ret) + netdev_info(priv->dev, + "HOST_SLEEP_ACTIVATE failed: %d\n", + ret); } - break; - } - - case OID_802_11_RTS_THRESHOLD: - { - - u32 ulTemp; - pSNMPMIB->oid = le16_to_cpu((u16) 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); - + if (!wait_event_interruptible_timeout( + priv->host_sleep_q, + priv->is_host_sleep_activated, + (10 * HZ))) { + netdev_err(priv->dev, + "host_sleep_q: timer expired\n"); + ret = -1; } - 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) adapter->txretrycount); + } else { + netdev_err(priv->dev, "host sleep: already enabled\n"); } - - break; - default: - break; + } else { + if (priv->is_host_sleep_activated) + ret = lbs_host_sleep_cfg(priv, criteria, + (struct wol_config *)NULL); } - 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; + return ret; } -static int wlan_cmd_802_11_radio_control(wlan_private * priv, - struct cmd_ds_command *cmd, - int cmd_action) +/** + * lbs_set_snmp_mib - Set an SNMP MIB value + * + * @priv: A pointer to &struct lbs_private structure + * @oid: The OID to set in the firmware + * @val: Value to set the OID to + * + * returns: 0 on success, error on failure + */ +int lbs_set_snmp_mib(struct lbs_private *priv, u32 oid, u16 val) { - wlan_adapter *adapter = priv->adapter; - struct cmd_ds_802_11_radio_control *pradiocontrol = &cmd->params.radio; + struct cmd_ds_802_11_snmp_mib cmd; + int ret; lbs_deb_enter(LBS_DEB_CMD); - cmd->size = - cpu_to_le16((sizeof(struct cmd_ds_802_11_radio_control)) + - S_DS_GEN); - cmd->command = cpu_to_le16(CMD_802_11_RADIO_CONTROL); + memset(&cmd, 0, sizeof (cmd)); + cmd.hdr.size = cpu_to_le16(sizeof(cmd)); + cmd.action = cpu_to_le16(CMD_ACT_SET); + cmd.oid = cpu_to_le16((u16) oid); - pradiocontrol->action = cpu_to_le16(cmd_action); - - switch (adapter->preamble) { - case CMD_TYPE_SHORT_PREAMBLE: - pradiocontrol->control = cpu_to_le16(SET_SHORT_PREAMBLE); + switch (oid) { + case SNMP_MIB_OID_BSS_TYPE: + cmd.bufsize = cpu_to_le16(sizeof(u8)); + cmd.value[0] = val; break; - - case CMD_TYPE_LONG_PREAMBLE: - pradiocontrol->control = cpu_to_le16(SET_LONG_PREAMBLE); + case SNMP_MIB_OID_11D_ENABLE: + case SNMP_MIB_OID_FRAG_THRESHOLD: + case SNMP_MIB_OID_RTS_THRESHOLD: + case SNMP_MIB_OID_SHORT_RETRY_LIMIT: + case SNMP_MIB_OID_LONG_RETRY_LIMIT: + cmd.bufsize = cpu_to_le16(sizeof(u16)); + *((__le16 *)(&cmd.value)) = cpu_to_le16(val); break; - - case CMD_TYPE_AUTO_PREAMBLE: default: - pradiocontrol->control = cpu_to_le16(SET_AUTO_PREAMBLE); - break; + lbs_deb_cmd("SNMP_CMD: (set) unhandled OID 0x%x\n", oid); + ret = -EINVAL; + goto out; } - if (adapter->radioon) - pradiocontrol->control |= cpu_to_le16(TURN_ON_RF); - else - pradiocontrol->control &= cpu_to_le16(~TURN_ON_RF); + lbs_deb_cmd("SNMP_CMD: (set) oid 0x%x, oid size 0x%x, value 0x%x\n", + le16_to_cpu(cmd.oid), le16_to_cpu(cmd.bufsize), val); - lbs_deb_leave(LBS_DEB_CMD); - return 0; + ret = lbs_cmd_with_response(priv, CMD_802_11_SNMP_MIB, &cmd); + +out: + lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); + return ret; } -static int wlan_cmd_802_11_rf_tx_power(wlan_private * priv, - struct cmd_ds_command *cmd, - u16 cmd_action, void *pdata_buf) +/** + * lbs_get_snmp_mib - Get an SNMP MIB value + * + * @priv: A pointer to &struct lbs_private structure + * @oid: The OID to retrieve from the firmware + * @out_val: Location for the returned value + * + * returns: 0 on success, error on failure + */ +int lbs_get_snmp_mib(struct lbs_private *priv, u32 oid, u16 *out_val) { - - struct cmd_ds_802_11_rf_tx_power *prtp = &cmd->params.txp; + struct cmd_ds_802_11_snmp_mib cmd; + int ret; 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); + memset(&cmd, 0, sizeof (cmd)); + cmd.hdr.size = cpu_to_le16(sizeof(cmd)); + cmd.action = cpu_to_le16(CMD_ACT_GET); + cmd.oid = cpu_to_le16(oid); - 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)); + ret = lbs_cmd_with_response(priv, CMD_802_11_SNMP_MIB, &cmd); + if (ret) + goto out; - switch (cmd_action) { - case CMD_ACT_TX_POWER_OPT_GET: - prtp->action = cpu_to_le16(CMD_ACT_GET); - prtp->currentlevel = 0; + switch (le16_to_cpu(cmd.bufsize)) { + case sizeof(u8): + *out_val = cmd.value[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); + case sizeof(u16): + *out_val = le16_to_cpu(*((__le16 *)(&cmd.value))); 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)); + default: + lbs_deb_cmd("SNMP_CMD: (get) unhandled OID 0x%x size %d\n", + oid, le16_to_cpu(cmd.bufsize)); break; } - lbs_deb_leave(LBS_DEB_CMD); - return 0; +out: + lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); + return ret; } -static int wlan_cmd_802_11_monitor_mode(wlan_private * priv, - struct cmd_ds_command *cmd, - u16 cmd_action, void *pdata_buf) +/** + * lbs_get_tx_power - Get the min, max, and current TX power + * + * @priv: A pointer to &struct lbs_private structure + * @curlevel: Current power level in dBm + * @minlevel: Minimum supported power level in dBm (optional) + * @maxlevel: Maximum supported power level in dBm (optional) + * + * returns: 0 on success, error on failure + */ +int lbs_get_tx_power(struct lbs_private *priv, s16 *curlevel, s16 *minlevel, + s16 *maxlevel) { - struct cmd_ds_802_11_monitor_mode *monitor = &cmd->params.monitor; + struct cmd_ds_802_11_rf_tx_power cmd; + int ret; - 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); + lbs_deb_enter(LBS_DEB_CMD); - monitor->action = cpu_to_le16(cmd_action); - if (cmd_action == CMD_ACT_SET) { - monitor->mode = - cpu_to_le16((u16) (*(u32 *) pdata_buf)); + memset(&cmd, 0, sizeof(cmd)); + cmd.hdr.size = cpu_to_le16(sizeof(cmd)); + cmd.action = cpu_to_le16(CMD_ACT_GET); + + ret = lbs_cmd_with_response(priv, CMD_802_11_RF_TX_POWER, &cmd); + if (ret == 0) { + *curlevel = le16_to_cpu(cmd.curlevel); + if (minlevel) + *minlevel = cmd.minlevel; + if (maxlevel) + *maxlevel = cmd.maxlevel; } - return 0; + lbs_deb_leave(LBS_DEB_CMD); + return ret; } -static int wlan_cmd_802_11_rate_adapt_rateset(wlan_private * priv, - struct cmd_ds_command *cmd, - u16 cmd_action) +/** + * lbs_set_tx_power - Set the TX power + * + * @priv: A pointer to &struct lbs_private structure + * @dbm: The desired power level in dBm + * + * returns: 0 on success, error on failure + */ +int lbs_set_tx_power(struct lbs_private *priv, s16 dbm) { - struct cmd_ds_802_11_rate_adapt_rateset - *rateadapt = &cmd->params.rateset; - wlan_adapter *adapter = priv->adapter; + struct cmd_ds_802_11_rf_tx_power cmd; + int ret; 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(adapter->enablehwauto); - rateadapt->bitmap = cpu_to_le16(adapter->ratebitmap); + memset(&cmd, 0, sizeof(cmd)); + cmd.hdr.size = cpu_to_le16(sizeof(cmd)); + cmd.action = cpu_to_le16(CMD_ACT_SET); + cmd.curlevel = cpu_to_le16(dbm); + + lbs_deb_cmd("SET_RF_TX_POWER: %d dBm\n", dbm); + + ret = lbs_cmd_with_response(priv, CMD_802_11_RF_TX_POWER, &cmd); lbs_deb_leave(LBS_DEB_CMD); - return 0; + return ret; } -static int wlan_cmd_802_11_data_rate(wlan_private * priv, - struct cmd_ds_command *cmd, - u16 cmd_action) +/** + * lbs_set_monitor_mode - Enable or disable monitor mode + * (only implemented on OLPC usb8388 FW) + * + * @priv: A pointer to &struct lbs_private structure + * @enable: 1 to enable monitor mode, 0 to disable + * + * returns: 0 on success, error on failure + */ +int lbs_set_monitor_mode(struct lbs_private *priv, int enable) { - struct cmd_ds_802_11_data_rate *pdatarate = &cmd->params.drate; - wlan_adapter *adapter = priv->adapter; + struct cmd_ds_802_11_monitor_mode cmd; + int ret; - 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_SET); + if (enable) + cmd.mode = cpu_to_le16(0x1); - cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_data_rate) + - S_DS_GEN); - cmd->command = cpu_to_le16(CMD_802_11_DATA_RATE); - memset(pdatarate, 0, sizeof(struct cmd_ds_802_11_data_rate)); - pdatarate->action = cpu_to_le16(cmd_action); - - if (cmd_action == CMD_ACT_SET_TX_FIX_RATE) { - pdatarate->rates[0] = libertas_data_rate_to_fw_index(adapter->cur_rate); - lbs_deb_cmd("DATA_RATE: set fixed 0x%02X\n", - adapter->cur_rate); - } else if (cmd_action == CMD_ACT_SET_TX_AUTO) { - lbs_deb_cmd("DATA_RATE: setting auto\n"); + lbs_deb_cmd("SET_MONITOR_MODE: %d\n", enable); + + ret = lbs_cmd_with_response(priv, CMD_802_11_MONITOR_MODE, &cmd); + if (ret == 0) { + priv->dev->type = enable ? ARPHRD_IEEE80211_RADIOTAP : + ARPHRD_ETHER; } lbs_deb_leave(LBS_DEB_CMD); - return 0; + return ret; } -static int wlan_cmd_mac_multicast_adr(wlan_private * priv, - struct cmd_ds_command *cmd, - u16 cmd_action) +/** + * lbs_get_channel - Get the radio channel + * + * @priv: A pointer to &struct lbs_private structure + * + * returns: The channel on success, error on failure + */ +static int lbs_get_channel(struct lbs_private *priv) { - struct cmd_ds_mac_multicast_adr *pMCastAdr = &cmd->params.madr; - wlan_adapter *adapter = priv->adapter; + struct cmd_ds_802_11_rf_channel cmd; + int ret = 0; 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) adapter->nr_of_multicastmacaddr); - memcpy(pMCastAdr->maclist, adapter->multicastlist, - adapter->nr_of_multicastmacaddr * ETH_ALEN); + 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); - lbs_deb_leave(LBS_DEB_CMD); - return 0; + 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; } -static int wlan_cmd_802_11_rf_channel(wlan_private * priv, - struct cmd_ds_command *cmd, - int option, void *pdata_buf) +int lbs_update_channel(struct lbs_private *priv) { - struct cmd_ds_802_11_rf_channel *rfchan = &cmd->params.rfchannel; + int ret; - lbs_deb_enter(LBS_DEB_CMD); - cmd->command = cpu_to_le16(CMD_802_11_RF_CHANNEL); - cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rf_channel) + - S_DS_GEN); + /* the channel in f/w could be out of sync; get the current channel */ + lbs_deb_enter(LBS_DEB_ASSOC); - if (option == CMD_OPT_802_11_RF_CHANNEL_SET) { - rfchan->currentchannel = cpu_to_le16(*((u16 *) pdata_buf)); + ret = lbs_get_channel(priv); + if (ret > 0) { + priv->channel = ret; + ret = 0; } - - rfchan->action = cpu_to_le16(option); - - lbs_deb_leave(LBS_DEB_CMD); - return 0; + lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret); + return ret; } -static int wlan_cmd_802_11_rssi(wlan_private * priv, - struct cmd_ds_command *cmd) +/** + * lbs_set_channel - Set the radio channel + * + * @priv: A pointer to &struct lbs_private structure + * @channel: The desired channel, or 0 to clear a locked channel + * + * returns: 0 on success, error on failure + */ +int lbs_set_channel(struct lbs_private *priv, u8 channel) { - wlan_adapter *adapter = priv->adapter; + struct cmd_ds_802_11_rf_channel cmd; +#ifdef DEBUG + u8 old_channel = priv->channel; +#endif + int ret = 0; 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 */ - adapter->SNR[TYPE_BEACON][TYPE_NOAVG] = 0; - adapter->SNR[TYPE_BEACON][TYPE_AVG] = 0; - adapter->NF[TYPE_BEACON][TYPE_NOAVG] = 0; - adapter->NF[TYPE_BEACON][TYPE_AVG] = 0; - adapter->RSSI[TYPE_BEACON][TYPE_NOAVG] = 0; - adapter->RSSI[TYPE_BEACON][TYPE_AVG] = 0; - lbs_deb_leave(LBS_DEB_CMD); - return 0; + 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->channel = (uint8_t) le16_to_cpu(cmd.channel); + lbs_deb_cmd("channel switch from %d to %d\n", old_channel, + priv->channel); + +out: + lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); + return ret; } -static int wlan_cmd_reg_access(wlan_private * priv, - struct cmd_ds_command *cmdptr, - u8 cmd_action, void *pdata_buf) +/** + * lbs_get_rssi - Get current RSSI and noise floor + * + * @priv: A pointer to &struct lbs_private structure + * @rssi: On successful return, signal level in mBm + * @nf: On successful return, Noise floor + * + * returns: The channel on success, error on failure + */ +int lbs_get_rssi(struct lbs_private *priv, s8 *rssi, s8 *nf) { - struct wlan_offset_value *offval; + struct cmd_ds_802_11_rssi cmd; + int ret = 0; lbs_deb_enter(LBS_DEB_CMD); - offval = (struct wlan_offset_value *)pdata_buf; - - switch (cmdptr->command) { - case CMD_MAC_REG_ACCESS: - { - struct cmd_ds_mac_reg_access *macreg; + BUG_ON(rssi == NULL); + BUG_ON(nf == NULL); - 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; + memset(&cmd, 0, sizeof(cmd)); + cmd.hdr.size = cpu_to_le16(sizeof(cmd)); + /* Average SNR over last 8 beacons */ + cmd.n_or_snr = cpu_to_le16(8); - macreg->action = cpu_to_le16(cmd_action); - macreg->offset = cpu_to_le16((u16) offval->offset); - macreg->value = cpu_to_le32(offval->value); + ret = lbs_cmd_with_response(priv, CMD_802_11_RSSI, &cmd); + if (ret == 0) { + *nf = CAL_NF(le16_to_cpu(cmd.nf)); + *rssi = CAL_RSSI(le16_to_cpu(cmd.n_or_snr), le16_to_cpu(cmd.nf)); + } - break; - } + lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); + return ret; +} - case CMD_BBP_REG_ACCESS: - { - struct cmd_ds_bbp_reg_access *bbpreg; +/** + * lbs_set_11d_domain_info - Send regulatory and 802.11d domain information + * to the firmware + * + * @priv: pointer to &struct lbs_private + * + * returns: 0 on success, error code on failure +*/ +int lbs_set_11d_domain_info(struct lbs_private *priv) +{ + struct wiphy *wiphy = priv->wdev->wiphy; + struct ieee80211_supported_band **bands = wiphy->bands; + struct cmd_ds_802_11d_domain_info cmd; + struct mrvl_ie_domain_param_set *domain = &cmd.domain; + struct ieee80211_country_ie_triplet *t; + enum ieee80211_band band; + struct ieee80211_channel *ch; + u8 num_triplet = 0; + u8 num_parsed_chan = 0; + u8 first_channel = 0, next_chan = 0, max_pwr = 0; + u8 i, flag = 0; + size_t triplet_size; + int ret = 0; - 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; + lbs_deb_enter(LBS_DEB_11D); + if (!priv->country_code[0]) + goto out; - bbpreg->action = cpu_to_le16(cmd_action); - bbpreg->offset = cpu_to_le16((u16) offval->offset); - bbpreg->value = (u8) offval->value; + memset(&cmd, 0, sizeof(cmd)); + cmd.action = cpu_to_le16(CMD_ACT_SET); - break; - } + lbs_deb_11d("Setting country code '%c%c'\n", + priv->country_code[0], priv->country_code[1]); - case CMD_RF_REG_ACCESS: - { - struct cmd_ds_rf_reg_access *rfreg; + domain->header.type = cpu_to_le16(TLV_TYPE_DOMAIN); - 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; + /* Set country code */ + domain->country_code[0] = priv->country_code[0]; + domain->country_code[1] = priv->country_code[1]; + domain->country_code[2] = ' '; - rfreg->action = cpu_to_le16(cmd_action); - rfreg->offset = cpu_to_le16((u16) offval->offset); - rfreg->value = (u8) offval->value; + /* Now set up the channel triplets; firmware is somewhat picky here + * and doesn't validate channel numbers and spans; hence it would + * interpret a triplet of (36, 4, 20) as channels 36, 37, 38, 39. Since + * the last 3 aren't valid channels, the driver is responsible for + * splitting that up into 4 triplet pairs of (36, 1, 20) + (40, 1, 20) + * etc. + */ + for (band = 0; + (band < IEEE80211_NUM_BANDS) && (num_triplet < MAX_11D_TRIPLETS); + band++) { + + if (!bands[band]) + continue; + + for (i = 0; + (i < bands[band]->n_channels) && (num_triplet < MAX_11D_TRIPLETS); + i++) { + ch = &bands[band]->channels[i]; + if (ch->flags & IEEE80211_CHAN_DISABLED) + continue; + + if (!flag) { + flag = 1; + next_chan = first_channel = (u32) ch->hw_value; + max_pwr = ch->max_power; + num_parsed_chan = 1; + continue; + } - break; + if ((ch->hw_value == next_chan + 1) && + (ch->max_power == max_pwr)) { + /* Consolidate adjacent channels */ + next_chan++; + num_parsed_chan++; + } else { + /* Add this triplet */ + lbs_deb_11d("11D triplet (%d, %d, %d)\n", + first_channel, num_parsed_chan, + max_pwr); + t = &domain->triplet[num_triplet]; + t->chans.first_channel = first_channel; + t->chans.num_channels = num_parsed_chan; + t->chans.max_power = max_pwr; + num_triplet++; + flag = 0; + } } - default: - break; + if (flag) { + /* Add last triplet */ + lbs_deb_11d("11D triplet (%d, %d, %d)\n", first_channel, + num_parsed_chan, max_pwr); + t = &domain->triplet[num_triplet]; + t->chans.first_channel = first_channel; + t->chans.num_channels = num_parsed_chan; + t->chans.max_power = max_pwr; + num_triplet++; + } } - lbs_deb_leave(LBS_DEB_CMD); - return 0; -} + lbs_deb_11d("# triplets %d\n", num_triplet); -static int wlan_cmd_802_11_mac_address(wlan_private * priv, - struct cmd_ds_command *cmd, - u16 cmd_action) -{ - wlan_adapter *adapter = priv->adapter; + /* Set command header sizes */ + triplet_size = num_triplet * sizeof(struct ieee80211_country_ie_triplet); + domain->header.len = cpu_to_le16(sizeof(domain->country_code) + + triplet_size); - lbs_deb_enter(LBS_DEB_CMD); - cmd->command = cpu_to_le16(CMD_802_11_MAC_ADDRESS); - cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_mac_address) + - S_DS_GEN); - cmd->result = 0; + lbs_deb_hex(LBS_DEB_11D, "802.11D domain param set", + (u8 *) &cmd.domain.country_code, + le16_to_cpu(domain->header.len)); - cmd->params.macadd.action = cpu_to_le16(cmd_action); + cmd.hdr.size = cpu_to_le16(sizeof(cmd.hdr) + + sizeof(cmd.action) + + sizeof(cmd.domain.header) + + sizeof(cmd.domain.country_code) + + triplet_size); - if (cmd_action == CMD_ACT_SET) { - memcpy(cmd->params.macadd.macadd, - adapter->current_addr, ETH_ALEN); - lbs_deb_hex(LBS_DEB_CMD, "SET_CMD: MAC addr", adapter->current_addr, 6); - } + ret = lbs_cmd_with_response(priv, CMD_802_11D_DOMAIN_INFO, &cmd); - lbs_deb_leave(LBS_DEB_CMD); - return 0; +out: + lbs_deb_leave_args(LBS_DEB_11D, "ret %d", ret); + return ret; } -static int wlan_cmd_802_11_eeprom_access(wlan_private * priv, - struct cmd_ds_command *cmd, - int cmd_action, void *pdata_buf) +/** + * lbs_get_reg - Read a MAC, Baseband, or RF register + * + * @priv: pointer to &struct lbs_private + * @reg: register command, one of CMD_MAC_REG_ACCESS, + * CMD_BBP_REG_ACCESS, or CMD_RF_REG_ACCESS + * @offset: byte offset of the register to get + * @value: on success, the value of the register at 'offset' + * + * returns: 0 on success, error code on failure +*/ +int lbs_get_reg(struct lbs_private *priv, u16 reg, u16 offset, u32 *value) { - struct wlan_ioctl_regrdwr *ea = pdata_buf; + struct cmd_ds_reg_access cmd; + int ret = 0; lbs_deb_enter(LBS_DEB_CMD); - cmd->command = cpu_to_le16(CMD_802_11_EEPROM_ACCESS); - cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_eeprom_access) + - S_DS_GEN); - cmd->result = 0; + BUG_ON(value == NULL); - cmd->params.rdeeprom.action = cpu_to_le16(ea->action); - cmd->params.rdeeprom.offset = cpu_to_le16(ea->offset); - cmd->params.rdeeprom.bytecount = cpu_to_le16(ea->NOB); - cmd->params.rdeeprom.value = 0; + memset(&cmd, 0, sizeof(cmd)); + cmd.hdr.size = cpu_to_le16(sizeof(cmd)); + cmd.action = cpu_to_le16(CMD_ACT_GET); + cmd.offset = cpu_to_le16(offset); - lbs_deb_leave(LBS_DEB_CMD); - return 0; -} - -static int wlan_cmd_bt_access(wlan_private * priv, - struct cmd_ds_command *cmd, - u16 cmd_action, void *pdata_buf) -{ - struct cmd_ds_bt_access *bt_access = &cmd->params.bt; - lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action); - - cmd->command = cpu_to_le16(CMD_BT_ACCESS); - cmd->size = cpu_to_le16(sizeof(struct cmd_ds_bt_access) + S_DS_GEN); - cmd->result = 0; - bt_access->action = cpu_to_le16(cmd_action); - - switch (cmd_action) { - case CMD_ACT_BT_ACCESS_ADD: - memcpy(bt_access->addr1, pdata_buf, 2 * ETH_ALEN); - lbs_deb_hex(LBS_DEB_MESH, "BT_ADD: blinded MAC addr", bt_access->addr1, 6); - break; - case CMD_ACT_BT_ACCESS_DEL: - memcpy(bt_access->addr1, pdata_buf, 1 * ETH_ALEN); - lbs_deb_hex(LBS_DEB_MESH, "BT_DEL: blinded MAC addr", bt_access->addr1, 6); - break; - case CMD_ACT_BT_ACCESS_LIST: - bt_access->id = cpu_to_le32(*(u32 *) pdata_buf); - break; - case CMD_ACT_BT_ACCESS_RESET: - break; - case CMD_ACT_BT_ACCESS_SET_INVERT: - bt_access->id = cpu_to_le32(*(u32 *) pdata_buf); - break; - case CMD_ACT_BT_ACCESS_GET_INVERT: - break; - default: - break; + if (reg != CMD_MAC_REG_ACCESS && + reg != CMD_BBP_REG_ACCESS && + reg != CMD_RF_REG_ACCESS) { + ret = -EINVAL; + goto out; } - lbs_deb_leave(LBS_DEB_CMD); - return 0; -} - -static int wlan_cmd_fwt_access(wlan_private * priv, - struct cmd_ds_command *cmd, - u16 cmd_action, void *pdata_buf) -{ - struct cmd_ds_fwt_access *fwt_access = &cmd->params.fwt; - lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action); - cmd->command = cpu_to_le16(CMD_FWT_ACCESS); - cmd->size = cpu_to_le16(sizeof(struct cmd_ds_fwt_access) + S_DS_GEN); - cmd->result = 0; - - if (pdata_buf) - memcpy(fwt_access, pdata_buf, sizeof(*fwt_access)); - else - memset(fwt_access, 0, sizeof(*fwt_access)); - - fwt_access->action = cpu_to_le16(cmd_action); + ret = lbs_cmd_with_response(priv, reg, &cmd); + if (!ret) { + if (reg == CMD_BBP_REG_ACCESS || reg == CMD_RF_REG_ACCESS) + *value = cmd.value.bbp_rf; + else if (reg == CMD_MAC_REG_ACCESS) + *value = le32_to_cpu(cmd.value.mac); + } - lbs_deb_leave(LBS_DEB_CMD); - return 0; +out: + lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); + return ret; } -static int wlan_cmd_mesh_access(wlan_private * priv, - struct cmd_ds_command *cmd, - u16 cmd_action, void *pdata_buf) +/** + * lbs_set_reg - Write a MAC, Baseband, or RF register + * + * @priv: pointer to &struct lbs_private + * @reg: register command, one of CMD_MAC_REG_ACCESS, + * CMD_BBP_REG_ACCESS, or CMD_RF_REG_ACCESS + * @offset: byte offset of the register to set + * @value: the value to write to the register at 'offset' + * + * returns: 0 on success, error code on failure +*/ +int lbs_set_reg(struct lbs_private *priv, u16 reg, u16 offset, u32 value) { - struct cmd_ds_mesh_access *mesh_access = &cmd->params.mesh; - lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action); - - cmd->command = cpu_to_le16(CMD_MESH_ACCESS); - cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mesh_access) + S_DS_GEN); - cmd->result = 0; + struct cmd_ds_reg_access cmd; + int ret = 0; - if (pdata_buf) - memcpy(mesh_access, pdata_buf, sizeof(*mesh_access)); - else - memset(mesh_access, 0, sizeof(*mesh_access)); + lbs_deb_enter(LBS_DEB_CMD); - mesh_access->action = cpu_to_le16(cmd_action); + memset(&cmd, 0, sizeof(cmd)); + cmd.hdr.size = cpu_to_le16(sizeof(cmd)); + cmd.action = cpu_to_le16(CMD_ACT_SET); + cmd.offset = cpu_to_le16(offset); + + if (reg == CMD_BBP_REG_ACCESS || reg == CMD_RF_REG_ACCESS) + cmd.value.bbp_rf = (u8) (value & 0xFF); + else if (reg == CMD_MAC_REG_ACCESS) + cmd.value.mac = cpu_to_le32(value); + else { + ret = -EINVAL; + goto out; + } - lbs_deb_leave(LBS_DEB_CMD); - return 0; -} + ret = lbs_cmd_with_response(priv, reg, &cmd); -static int wlan_cmd_set_boot2_ver(wlan_private * priv, - struct cmd_ds_command *cmd, - u16 cmd_action, void *pdata_buf) -{ - struct cmd_ds_set_boot2_ver *boot2_ver = &cmd->params.boot2_ver; - cmd->command = cpu_to_le16(CMD_SET_BOOT2_VER); - cmd->size = cpu_to_le16(sizeof(struct cmd_ds_set_boot2_ver) + S_DS_GEN); - boot2_ver->version = priv->boot2_version; - return 0; +out: + lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); + return ret; } -void libertas_queue_cmd(wlan_adapter * adapter, struct cmd_ctrl_node *cmdnode, u8 addtail) +static void lbs_queue_cmd(struct lbs_private *priv, + struct cmd_ctrl_node *cmdnode) { unsigned long flags; - struct cmd_ds_command *cmdptr; + int addtail = 1; lbs_deb_enter(LBS_DEB_HOST); @@ -923,566 +949,272 @@ void libertas_queue_cmd(wlan_adapter * adapter, struct cmd_ctrl_node *cmdnode, u lbs_deb_host("QUEUE_CMD: cmdnode is NULL\n"); goto done; } - - cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr; - if (!cmdptr) { - lbs_deb_host("QUEUE_CMD: cmdptr is NULL\n"); + 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 (cmdptr->command == CMD_802_11_PS_MODE) { - struct cmd_ds_802_11_ps_mode *psm = &cmdptr->params.psmode; - if (psm->action == cpu_to_le16(CMD_SUBCMD_EXIT_PS)) { - if (adapter->psstate != PS_STATE_FULL_POWER) + if (le16_to_cpu(cmdnode->cmdbuf->command) == CMD_802_11_PS_MODE) { + struct cmd_ds_802_11_ps_mode *psm = (void *) &cmdnode->cmdbuf; + + if (psm->action == cpu_to_le16(PS_MODE_ACTION_EXIT_PS)) { + if (priv->psstate != PS_STATE_FULL_POWER) addtail = 0; } } - spin_lock_irqsave(&adapter->driver_lock, flags); + if (le16_to_cpu(cmdnode->cmdbuf->command) == CMD_802_11_WAKEUP_CONFIRM) + addtail = 0; + + spin_lock_irqsave(&priv->driver_lock, flags); if (addtail) - list_add_tail((struct list_head *)cmdnode, - &adapter->cmdpendingq); + list_add_tail(&cmdnode->list, &priv->cmdpendingq); else - list_add((struct list_head *)cmdnode, &adapter->cmdpendingq); + list_add(&cmdnode->list, &priv->cmdpendingq); - spin_unlock_irqrestore(&adapter->driver_lock, flags); + spin_unlock_irqrestore(&priv->driver_lock, flags); lbs_deb_host("QUEUE_CMD: inserted command 0x%04x into cmdpendingq\n", - le16_to_cpu(((struct cmd_ds_gen*)cmdnode->bufvirtualaddr)->command)); + le16_to_cpu(cmdnode->cmdbuf->command)); done: lbs_deb_leave(LBS_DEB_HOST); } -/* - * TODO: Fix the issue when DownloadcommandToStation is being called the - * second time when the command times out. All the cmdptr->xxx are in little - * endian and therefore all the comparissions will fail. - * For now - we are not performing the endian conversion the second time - but - * for PS and DEEP_SLEEP we need to worry - */ -static int DownloadcommandToStation(wlan_private * priv, - struct cmd_ctrl_node *cmdnode) +static void lbs_submit_command(struct lbs_private *priv, + struct cmd_ctrl_node *cmdnode) { unsigned long flags; - struct cmd_ds_command *cmdptr; - wlan_adapter *adapter = priv->adapter; - int ret = -1; - u16 cmdsize; - u16 command; + struct cmd_header *cmd; + uint16_t cmdsize; + uint16_t command; + int timeo = 3 * HZ; + int ret; lbs_deb_enter(LBS_DEB_HOST); - if (!adapter || !cmdnode) { - lbs_deb_host("DNLD_CMD: adapter or cmdmode is NULL\n"); - goto done; - } + cmd = cmdnode->cmdbuf; - cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr; + spin_lock_irqsave(&priv->driver_lock, flags); + priv->seqnum++; + cmd->seqnum = cpu_to_le16(priv->seqnum); + priv->cur_cmd = cmdnode; + spin_unlock_irqrestore(&priv->driver_lock, flags); - spin_lock_irqsave(&adapter->driver_lock, flags); - if (!cmdptr || !cmdptr->size) { - lbs_deb_host("DNLD_CMD: cmdptr is NULL or zero\n"); - __libertas_cleanup_and_insert_cmd(priv, cmdnode); - spin_unlock_irqrestore(&adapter->driver_lock, flags); - goto done; - } + cmdsize = le16_to_cpu(cmd->size); + command = le16_to_cpu(cmd->command); - adapter->cur_cmd = cmdnode; - adapter->cur_cmd_retcode = 0; - spin_unlock_irqrestore(&adapter->driver_lock, flags); + /* These commands take longer */ + if (command == CMD_802_11_SCAN || command == CMD_802_11_ASSOCIATE) + timeo = 5 * HZ; - cmdsize = cmdptr->size; - command = cpu_to_le16(cmdptr->command); + 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); - lbs_deb_host("DNLD_CMD: command 0x%04x, size %d, jiffies %lu\n", - command, le16_to_cpu(cmdptr->size), jiffies); - lbs_deb_hex(LBS_DEB_HOST, "DNLD_CMD", cmdnode->bufvirtualaddr, cmdsize); + ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmd, cmdsize); - cmdnode->cmdwaitqwoken = 0; - cmdsize = cpu_to_le16(cmdsize); - - ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmdptr, cmdsize); - - if (ret != 0) { - lbs_deb_host("DNLD_CMD: hw_host_to_card failed\n"); - spin_lock_irqsave(&adapter->driver_lock, flags); - adapter->cur_cmd_retcode = ret; - __libertas_cleanup_and_insert_cmd(priv, adapter->cur_cmd); - adapter->nr_cmd_pending--; - adapter->cur_cmd = NULL; - spin_unlock_irqrestore(&adapter->driver_lock, flags); - goto done; + if (ret) { + netdev_info(priv->dev, "DNLD_CMD: hw_host_to_card failed: %d\n", + ret); + /* Reset dnld state machine, report failure */ + priv->dnld_sent = DNLD_RES_RECEIVED; + lbs_complete_command(priv, cmdnode, ret); } - lbs_deb_cmd("DNLD_CMD: sent command 0x%04x, jiffies %lu\n", command, jiffies); - - /* Setup the timer after transmit command */ - if (command == CMD_802_11_SCAN || command == CMD_802_11_AUTHENTICATE - || command == CMD_802_11_ASSOCIATE) - mod_timer(&adapter->command_timer, jiffies + (10*HZ)); - else - mod_timer(&adapter->command_timer, jiffies + (5*HZ)); - - ret = 0; - -done: - lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret); - return ret; -} - -static int wlan_cmd_mac_control(wlan_private * priv, - struct cmd_ds_command *cmd) -{ - struct cmd_ds_mac_control *mac = &cmd->params.macctrl; - - lbs_deb_enter(LBS_DEB_CMD); - - cmd->command = cpu_to_le16(CMD_MAC_CONTROL); - cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_control) + S_DS_GEN); - mac->action = cpu_to_le16(priv->adapter->currentpacketfilter); - - lbs_deb_cmd("MAC_CONTROL: action 0x%x, size %d\n", - le16_to_cpu(mac->action), le16_to_cpu(cmd->size)); + if (command == CMD_802_11_DEEP_SLEEP) { + if (priv->is_auto_deep_sleep_enabled) { + priv->wakeup_dev_required = 1; + priv->dnld_sent = 0; + } + priv->is_deep_sleep = 1; + lbs_complete_command(priv, cmdnode, 0); + } else { + /* Setup the timer after transmit command */ + mod_timer(&priv->command_timer, jiffies + timeo); + } - lbs_deb_leave(LBS_DEB_CMD); - return 0; + lbs_deb_leave(LBS_DEB_HOST); } -/** +/* * This function inserts command node to cmdfreeq - * after cleans it. Requires adapter->driver_lock held. + * after cleans it. Requires priv->driver_lock held. */ -void __libertas_cleanup_and_insert_cmd(wlan_private * priv, struct cmd_ctrl_node *ptempcmd) +static void __lbs_cleanup_and_insert_cmd(struct lbs_private *priv, + struct cmd_ctrl_node *cmdnode) { - wlan_adapter *adapter = priv->adapter; + lbs_deb_enter(LBS_DEB_HOST); + + if (!cmdnode) + goto out; + + cmdnode->callback = NULL; + cmdnode->callback_arg = 0; - if (!ptempcmd) - return; + memset(cmdnode->cmdbuf, 0, LBS_CMD_BUFFER_SIZE); - cleanup_cmdnode(ptempcmd); - list_add_tail((struct list_head *)ptempcmd, &adapter->cmdfreeq); + list_add_tail(&cmdnode->list, &priv->cmdfreeq); + out: + lbs_deb_leave(LBS_DEB_HOST); } -static void libertas_cleanup_and_insert_cmd(wlan_private * priv, struct cmd_ctrl_node *ptempcmd) +static void lbs_cleanup_and_insert_cmd(struct lbs_private *priv, + struct cmd_ctrl_node *ptempcmd) { unsigned long flags; - spin_lock_irqsave(&priv->adapter->driver_lock, flags); - __libertas_cleanup_and_insert_cmd(priv, ptempcmd); - spin_unlock_irqrestore(&priv->adapter->driver_lock, flags); + spin_lock_irqsave(&priv->driver_lock, flags); + __lbs_cleanup_and_insert_cmd(priv, ptempcmd); + spin_unlock_irqrestore(&priv->driver_lock, flags); } -int libertas_set_radio_control(wlan_private * priv) +void __lbs_complete_command(struct lbs_private *priv, struct cmd_ctrl_node *cmd, + int result) { - int ret = 0; - - lbs_deb_enter(LBS_DEB_CMD); - - ret = libertas_prepare_and_send_command(priv, - CMD_802_11_RADIO_CONTROL, - CMD_ACT_SET, - CMD_OPTION_WAITFORRSP, 0, NULL); + /* + * Normally, commands are removed from cmdpendingq before being + * submitted. However, we can arrive here on alternative codepaths + * where the command is still pending. Make sure the command really + * isn't part of a list at this point. + */ + list_del_init(&cmd->list); - lbs_deb_cmd("RADIO_SET: radio %d, preamble %d\n", - priv->adapter->radioon, priv->adapter->preamble); + cmd->result = result; + cmd->cmdwaitqwoken = 1; + wake_up(&cmd->cmdwait_q); - lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); - return ret; + if (!cmd->callback || cmd->callback == lbs_cmd_async_callback) + __lbs_cleanup_and_insert_cmd(priv, cmd); + priv->cur_cmd = NULL; + wake_up(&priv->waitq); } -int libertas_set_mac_packet_filter(wlan_private * priv) +void lbs_complete_command(struct lbs_private *priv, struct cmd_ctrl_node *cmd, + int result) { - int ret = 0; - - lbs_deb_enter(LBS_DEB_CMD); - - /* Send MAC control command to station */ - ret = libertas_prepare_and_send_command(priv, - CMD_MAC_CONTROL, 0, 0, 0, NULL); - - lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); - return ret; + unsigned long flags; + spin_lock_irqsave(&priv->driver_lock, flags); + __lbs_complete_command(priv, cmd, result); + spin_unlock_irqrestore(&priv->driver_lock, flags); } -/** - * @brief This function prepare the command before send to firmware. - * - * @param priv A pointer to wlan_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 libertas_prepare_and_send_command(wlan_private * priv, - u16 cmd_no, - u16 cmd_action, - u16 wait_option, u32 cmd_oid, void *pdata_buf) +int lbs_set_radio(struct lbs_private *priv, u8 preamble, u8 radio_on) { - int ret = 0; - wlan_adapter *adapter = priv->adapter; - struct cmd_ctrl_node *cmdnode; - struct cmd_ds_command *cmdptr; - unsigned long flags; + struct cmd_ds_802_11_radio_control cmd; + int ret = -EINVAL; - lbs_deb_enter(LBS_DEB_HOST); + lbs_deb_enter(LBS_DEB_CMD); - if (!adapter) { - lbs_deb_host("PREP_CMD: adapter is NULL\n"); - ret = -1; - goto done; - } + cmd.hdr.size = cpu_to_le16(sizeof(cmd)); + cmd.action = cpu_to_le16(CMD_ACT_SET); - if (adapter->surpriseremoved) { - lbs_deb_host("PREP_CMD: card removed\n"); - ret = -1; - goto done; + /* Only v8 and below support setting the preamble */ + if (priv->fwrelease < 0x09000000) { + switch (preamble) { + case RADIO_PREAMBLE_SHORT: + case RADIO_PREAMBLE_AUTO: + case RADIO_PREAMBLE_LONG: + cmd.control = cpu_to_le16(preamble); + break; + default: + goto out; + } } - cmdnode = libertas_get_free_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; + if (radio_on) + cmd.control |= cpu_to_le16(0x1); + else { + cmd.control &= cpu_to_le16(~0x1); + priv->txpower_cur = 0; } - libertas_set_cmd_ctrl_node(priv, cmdnode, cmd_oid, wait_option, pdata_buf); + lbs_deb_cmd("RADIO_CONTROL: radio %s, preamble %d\n", + radio_on ? "ON" : "OFF", preamble); - cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr; + priv->radio_on = radio_on; - lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no); + ret = lbs_cmd_with_response(priv, CMD_802_11_RADIO_CONTROL, &cmd); - if (!cmdptr) { - lbs_deb_host("PREP_CMD: cmdptr is NULL\n"); - libertas_cleanup_and_insert_cmd(priv, cmdnode); - ret = -1; - goto done; - } - - /* Set sequence number, command and INT option */ - adapter->seqnum++; - cmdptr->seqnum = cpu_to_le16(adapter->seqnum); - - cmdptr->command = cpu_to_le16(cmd_no); - cmdptr->result = 0; - - switch (cmd_no) { - case CMD_GET_HW_SPEC: - ret = wlan_cmd_hw_spec(priv, cmdptr); - break; - case CMD_802_11_PS_MODE: - ret = wlan_cmd_802_11_ps_mode(priv, cmdptr, cmd_action); - break; - - case CMD_802_11_SCAN: - ret = libertas_cmd_80211_scan(priv, cmdptr, pdata_buf); - break; - - case CMD_MAC_CONTROL: - ret = wlan_cmd_mac_control(priv, cmdptr); - break; - - case CMD_802_11_ASSOCIATE: - case CMD_802_11_REASSOCIATE: - ret = libertas_cmd_80211_associate(priv, cmdptr, pdata_buf); - break; - - case CMD_802_11_DEAUTHENTICATE: - ret = libertas_cmd_80211_deauthenticate(priv, cmdptr); - break; - - case CMD_802_11_SET_WEP: - ret = wlan_cmd_802_11_set_wep(priv, cmdptr, cmd_action, pdata_buf); - break; - - case CMD_802_11_AD_HOC_START: - ret = libertas_cmd_80211_ad_hoc_start(priv, cmdptr, pdata_buf); - break; - case CMD_CODE_DNLD: - break; - - case CMD_802_11_RESET: - ret = wlan_cmd_802_11_reset(priv, cmdptr, cmd_action); - break; - - case CMD_802_11_GET_LOG: - ret = wlan_cmd_802_11_get_log(priv, cmdptr); - break; - - case CMD_802_11_AUTHENTICATE: - ret = libertas_cmd_80211_authenticate(priv, cmdptr, pdata_buf); - break; - - case CMD_802_11_GET_STAT: - ret = wlan_cmd_802_11_get_stat(priv, cmdptr); - break; - - case CMD_802_11_SNMP_MIB: - ret = wlan_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 = wlan_cmd_reg_access(priv, cmdptr, cmd_action, pdata_buf); - break; - - case CMD_802_11_RF_CHANNEL: - ret = wlan_cmd_802_11_rf_channel(priv, cmdptr, - cmd_action, pdata_buf); - break; - - case CMD_802_11_RF_TX_POWER: - ret = wlan_cmd_802_11_rf_tx_power(priv, cmdptr, - cmd_action, pdata_buf); - break; - - case CMD_802_11_RADIO_CONTROL: - ret = wlan_cmd_802_11_radio_control(priv, cmdptr, cmd_action); - break; - - case CMD_802_11_DATA_RATE: - ret = wlan_cmd_802_11_data_rate(priv, cmdptr, cmd_action); - break; - case CMD_802_11_RATE_ADAPT_RATESET: - ret = wlan_cmd_802_11_rate_adapt_rateset(priv, - cmdptr, cmd_action); - break; - - case CMD_MAC_MULTICAST_ADR: - ret = wlan_cmd_mac_multicast_adr(priv, cmdptr, cmd_action); - break; - - case CMD_802_11_MONITOR_MODE: - ret = wlan_cmd_802_11_monitor_mode(priv, cmdptr, - cmd_action, pdata_buf); - break; - - case CMD_802_11_AD_HOC_JOIN: - ret = libertas_cmd_80211_ad_hoc_join(priv, cmdptr, pdata_buf); - break; - - case CMD_802_11_RSSI: - ret = wlan_cmd_802_11_rssi(priv, cmdptr); - break; - - case CMD_802_11_AD_HOC_STOP: - ret = libertas_cmd_80211_ad_hoc_stop(priv, cmdptr); - break; - - case CMD_802_11_ENABLE_RSN: - ret = wlan_cmd_802_11_enable_rsn(priv, cmdptr, cmd_action, - pdata_buf); - break; - - case CMD_802_11_KEY_MATERIAL: - ret = wlan_cmd_802_11_key_material(priv, cmdptr, cmd_action, - cmd_oid, pdata_buf); - break; - - case CMD_802_11_PAIRWISE_TSC: - break; - case CMD_802_11_GROUP_TSC: - break; - - case CMD_802_11_MAC_ADDRESS: - ret = wlan_cmd_802_11_mac_address(priv, cmdptr, cmd_action); - break; - - case CMD_802_11_EEPROM_ACCESS: - ret = wlan_cmd_802_11_eeprom_access(priv, cmdptr, - cmd_action, pdata_buf); - break; - - case CMD_802_11_SET_AFC: - case CMD_802_11_GET_AFC: - - cmdptr->command = cpu_to_le16(cmd_no); - cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_afc) + - S_DS_GEN); - - memmove(&cmdptr->params.afc, - pdata_buf, sizeof(struct cmd_ds_802_11_afc)); - - ret = 0; - goto done; - - case CMD_802_11D_DOMAIN_INFO: - ret = libertas_cmd_802_11d_domain_info(priv, cmdptr, - cmd_no, cmd_action); - break; - - case CMD_802_11_SLEEP_PARAMS: - ret = wlan_cmd_802_11_sleep_params(priv, cmdptr, cmd_action); - break; - case CMD_802_11_INACTIVITY_TIMEOUT: - ret = wlan_cmd_802_11_inactivity_timeout(priv, cmdptr, - cmd_action, pdata_buf); - libertas_set_cmd_ctrl_node(priv, cmdnode, 0, 0, pdata_buf); - break; - - case CMD_802_11_TPC_CFG: - cmdptr->command = cpu_to_le16(CMD_802_11_TPC_CFG); - cmdptr->size = - cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg) + - S_DS_GEN); - - memmove(&cmdptr->params.tpccfg, - pdata_buf, sizeof(struct cmd_ds_802_11_tpc_cfg)); - - ret = 0; - break; - case CMD_802_11_LED_GPIO_CTRL: - { - struct mrvlietypes_ledgpio *gpio = - (struct mrvlietypes_ledgpio*) - cmdptr->params.ledgpio.data; - - memmove(&cmdptr->params.ledgpio, - pdata_buf, - sizeof(struct cmd_ds_802_11_led_ctrl)); - - cmdptr->command = - cpu_to_le16(CMD_802_11_LED_GPIO_CTRL); - -#define ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN 8 - cmdptr->size = - cpu_to_le16(gpio->header.len + S_DS_GEN + - ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN); - gpio->header.len = cpu_to_le16(gpio->header.len); - - ret = 0; - break; - } - case CMD_802_11_PWR_CFG: - cmdptr->command = cpu_to_le16(CMD_802_11_PWR_CFG); - cmdptr->size = - cpu_to_le16(sizeof(struct cmd_ds_802_11_pwr_cfg) + - S_DS_GEN); - memmove(&cmdptr->params.pwrcfg, pdata_buf, - sizeof(struct cmd_ds_802_11_pwr_cfg)); - - ret = 0; - break; - case CMD_BT_ACCESS: - ret = wlan_cmd_bt_access(priv, cmdptr, cmd_action, pdata_buf); - break; +out: + lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); + return ret; +} - case CMD_FWT_ACCESS: - ret = wlan_cmd_fwt_access(priv, cmdptr, cmd_action, pdata_buf); - break; +void lbs_set_mac_control(struct lbs_private *priv) +{ + struct cmd_ds_mac_control cmd; - case CMD_MESH_ACCESS: - ret = wlan_cmd_mesh_access(priv, cmdptr, cmd_action, pdata_buf); - break; + lbs_deb_enter(LBS_DEB_CMD); - case CMD_SET_BOOT2_VER: - ret = wlan_cmd_set_boot2_ver(priv, cmdptr, cmd_action, pdata_buf); - break; + cmd.hdr.size = cpu_to_le16(sizeof(cmd)); + cmd.action = cpu_to_le16(priv->mac_control); + cmd.reserved = 0; - 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; - 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"); - libertas_cleanup_and_insert_cmd(priv, cmdnode); - ret = -1; - goto done; - } + lbs_cmd_async(priv, CMD_MAC_CONTROL, &cmd.hdr, sizeof(cmd)); - cmdnode->cmdwaitqwoken = 0; + lbs_deb_leave(LBS_DEB_CMD); +} - libertas_queue_cmd(adapter, cmdnode, 1); - adapter->nr_cmd_pending++; - wake_up_interruptible(&priv->waitq); +int lbs_set_mac_control_sync(struct lbs_private *priv) +{ + struct cmd_ds_mac_control cmd; + int ret = 0; - 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); - } + lbs_deb_enter(LBS_DEB_CMD); - spin_lock_irqsave(&adapter->driver_lock, flags); - if (adapter->cur_cmd_retcode) { - lbs_deb_host("PREP_CMD: command failed with return code %d\n", - adapter->cur_cmd_retcode); - adapter->cur_cmd_retcode = 0; - ret = -1; - } - spin_unlock_irqrestore(&adapter->driver_lock, flags); + cmd.hdr.size = cpu_to_le16(sizeof(cmd)); + cmd.action = cpu_to_le16(priv->mac_control); + cmd.reserved = 0; + ret = lbs_cmd_with_response(priv, CMD_MAC_CONTROL, &cmd); -done: - lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret); + lbs_deb_leave(LBS_DEB_CMD); return ret; } -EXPORT_SYMBOL_GPL(libertas_prepare_and_send_command); /** - * @brief This function allocates the command buffer and link - * it to command free queue. + * lbs_allocate_cmd_buffer - allocates the command buffer and links + * it to command free queue + * + * @priv: A pointer to &struct lbs_private structure * - * @param priv A pointer to wlan_private structure - * @return 0 or -1 + * returns: 0 for success or -1 on error */ -int libertas_allocate_cmd_buffer(wlan_private * priv) +int lbs_allocate_cmd_buffer(struct lbs_private *priv) { int ret = 0; - u32 ulbufsize; + u32 bufsize; u32 i; - struct cmd_ctrl_node *tempcmd_array; - u8 *ptempvirtualaddr; - wlan_adapter *adapter = priv->adapter; + struct cmd_ctrl_node *cmdarray; lbs_deb_enter(LBS_DEB_HOST); - /* Allocate and initialize cmdCtrlNode */ - ulbufsize = sizeof(struct cmd_ctrl_node) * MRVDRV_NUM_OF_CMD_BUFFER; - - if (!(tempcmd_array = kzalloc(ulbufsize, GFP_KERNEL))) { + /* 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; } - adapter->cmd_array = tempcmd_array; + priv->cmd_array = cmdarray; - /* Allocate and initialize command buffers */ - ulbufsize = MRVDRV_SIZE_OF_CMD_BUFFER; - for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) { - if (!(ptempvirtualaddr = kzalloc(ulbufsize, GFP_KERNEL))) { + /* 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; } - - /* Update command buffer virtual */ - tempcmd_array[i].bufvirtualaddr = ptempvirtualaddr; } - for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) { - init_waitqueue_head(&tempcmd_array[i].cmdwait_q); - libertas_cleanup_and_insert_cmd(priv, &tempcmd_array[i]); + 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: @@ -1491,41 +1223,39 @@ done: } /** - * @brief This function frees the command buffer. + * lbs_free_cmd_buffer - free the command buffer * - * @param priv A pointer to wlan_private structure - * @return 0 or -1 + * @priv: A pointer to &struct lbs_private structure + * + * returns: 0 for success */ -int libertas_free_cmd_buffer(wlan_private * priv) +int lbs_free_cmd_buffer(struct lbs_private *priv) { - u32 ulbufsize; /* Someone needs to die for this. Slowly and painfully */ + struct cmd_ctrl_node *cmdarray; unsigned int i; - struct cmd_ctrl_node *tempcmd_array; - wlan_adapter *adapter = priv->adapter; lbs_deb_enter(LBS_DEB_HOST); /* need to check if cmd array is allocated or not */ - if (adapter->cmd_array == NULL) { + if (priv->cmd_array == NULL) { lbs_deb_host("FREE_CMD_BUF: cmd_array is NULL\n"); goto done; } - tempcmd_array = adapter->cmd_array; + cmdarray = priv->cmd_array; /* Release shared memory buffers */ - ulbufsize = MRVDRV_SIZE_OF_CMD_BUFFER; - for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) { - if (tempcmd_array[i].bufvirtualaddr) { - kfree(tempcmd_array[i].bufvirtualaddr); - tempcmd_array[i].bufvirtualaddr = NULL; + 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 (adapter->cmd_array) { - kfree(adapter->cmd_array); - adapter->cmd_array = NULL; + if (priv->cmd_array) { + kfree(priv->cmd_array); + priv->cmd_array = NULL; } done: @@ -1534,171 +1264,120 @@ done: } /** - * @brief This function gets a free command node if available in - * command free queue. + * lbs_get_free_cmd_node - gets a free command node if available in + * command free queue + * + * @priv: A pointer to &struct lbs_private structure * - * @param priv A pointer to wlan_private structure - * @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL + * returns: A pointer to &cmd_ctrl_node structure on success + * or %NULL on error */ -struct cmd_ctrl_node *libertas_get_free_cmd_ctrl_node(wlan_private * priv) +static struct cmd_ctrl_node *lbs_get_free_cmd_node(struct lbs_private *priv) { struct cmd_ctrl_node *tempnode; - wlan_adapter *adapter = priv->adapter; unsigned long flags; lbs_deb_enter(LBS_DEB_HOST); - if (!adapter) + if (!priv) return NULL; - spin_lock_irqsave(&adapter->driver_lock, flags); + spin_lock_irqsave(&priv->driver_lock, flags); - if (!list_empty(&adapter->cmdfreeq)) { - tempnode = (struct cmd_ctrl_node *)adapter->cmdfreeq.next; - list_del((struct list_head *)tempnode); + if (!list_empty(&priv->cmdfreeq)) { + tempnode = list_first_entry(&priv->cmdfreeq, + struct cmd_ctrl_node, list); + list_del_init(&tempnode->list); } else { lbs_deb_host("GET_CMD_NODE: cmd_ctrl_node is not available\n"); tempnode = NULL; } - spin_unlock_irqrestore(&adapter->driver_lock, flags); - - if (tempnode) - cleanup_cmdnode(tempnode); + spin_unlock_irqrestore(&priv->driver_lock, flags); lbs_deb_leave(LBS_DEB_HOST); return tempnode; } /** - * @brief This function cleans command node. + * lbs_execute_next_command - execute next command in command + * pending queue. Will put firmware back to PS mode if applicable. * - * @param ptempnode A pointer to cmdCtrlNode structure - * @return n/a - */ -static void cleanup_cmdnode(struct cmd_ctrl_node *ptempnode) -{ - lbs_deb_enter(LBS_DEB_HOST); - - if (!ptempnode) - return; - ptempnode->cmdwaitqwoken = 1; - wake_up_interruptible(&ptempnode->cmdwait_q); - ptempnode->status = 0; - ptempnode->cmd_oid = (u32) 0; - ptempnode->wait_option = 0; - ptempnode->pdata_buf = NULL; - - if (ptempnode->bufvirtualaddr != NULL) - memset(ptempnode->bufvirtualaddr, 0, MRVDRV_SIZE_OF_CMD_BUFFER); - - lbs_deb_leave(LBS_DEB_HOST); -} - -/** - * @brief This function initializes the command node. + * @priv: A pointer to &struct lbs_private structure * - * @param priv A pointer to wlan_private structure - * @param ptempnode A pointer to cmd_ctrl_node structure - * @param cmd_oid cmd oid: treated as sub command - * @param wait_option wait option: wait response or not - * @param pdata_buf A pointer to informaion buffer - * @return 0 or -1 + * returns: 0 on success or -1 on error */ -void libertas_set_cmd_ctrl_node(wlan_private * priv, - struct cmd_ctrl_node *ptempnode, - u32 cmd_oid, u16 wait_option, void *pdata_buf) +int lbs_execute_next_command(struct lbs_private *priv) { - lbs_deb_enter(LBS_DEB_HOST); - - if (!ptempnode) - return; - - ptempnode->cmd_oid = cmd_oid; - ptempnode->wait_option = wait_option; - ptempnode->pdata_buf = pdata_buf; - - lbs_deb_leave(LBS_DEB_HOST); -} - -/** - * @brief This function executes next command in command - * pending queue. It will put fimware back to PS mode - * if applicable. - * - * @param priv A pointer to wlan_private structure - * @return 0 or -1 - */ -int libertas_execute_next_command(wlan_private * priv) -{ - wlan_adapter *adapter = priv->adapter; struct cmd_ctrl_node *cmdnode = NULL; - struct cmd_ds_command *cmdptr; + 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 libertas_thread() and we get even when a - // data packet is received + /* 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(&adapter->driver_lock, flags); + spin_lock_irqsave(&priv->driver_lock, flags); - if (adapter->cur_cmd) { - lbs_pr_alert( "EXEC_NEXT_CMD: already processing command!\n"); - spin_unlock_irqrestore(&adapter->driver_lock, flags); + if (priv->cur_cmd) { + netdev_alert(priv->dev, + "EXEC_NEXT_CMD: already processing command!\n"); + spin_unlock_irqrestore(&priv->driver_lock, flags); ret = -1; goto done; } - if (!list_empty(&adapter->cmdpendingq)) { - cmdnode = (struct cmd_ctrl_node *) - adapter->cmdpendingq.next; + if (!list_empty(&priv->cmdpendingq)) { + cmdnode = list_first_entry(&priv->cmdpendingq, + struct cmd_ctrl_node, list); } - spin_unlock_irqrestore(&adapter->driver_lock, flags); + spin_unlock_irqrestore(&priv->driver_lock, flags); if (cmdnode) { - cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr; + cmd = cmdnode->cmdbuf; - if (is_command_allowed_in_ps(cmdptr->command)) { - if ((adapter->psstate == PS_STATE_SLEEP) || - (adapter->psstate == PS_STATE_PRE_SLEEP)) { + 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(cmdptr->command), - adapter->psstate); + 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(cmdptr->command), - adapter->psstate); - } else if (adapter->psstate != PS_STATE_FULL_POWER) { + "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 libertas_ps_wakeup to send Exit_PS. - * 2. PS command but not Exit_PS: + * is SLEEP, otherwise call send EXIT_PS. + * 2. PS command but not EXIT_PS: * Ignore it. - * 3. PS command Exit_PS: + * 3. PS command EXIT_PS: * Set needtowakeup to TRUE if current state is SLEEP, * otherwise send this command down to firmware * immediately. */ - if (cmdptr->command != - cpu_to_le16(CMD_802_11_PS_MODE)) { + 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 ((adapter->psstate == PS_STATE_SLEEP) - || (adapter->psstate == PS_STATE_PRE_SLEEP) + 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. */ - adapter->needtowakeup = 1; - } else - libertas_ps_wakeup(priv, 0); + priv->needtowakeup = 1; + } else { + lbs_set_ps_mode(priv, + PS_MODE_ACTION_EXIT_PS, + false); + } ret = 0; goto done; @@ -1707,30 +1386,27 @@ int libertas_execute_next_command(wlan_private * priv) * PS command. Ignore it if it is not Exit_PS. * otherwise send it down immediately. */ - struct cmd_ds_802_11_ps_mode *psm = - &cmdptr->params.psmode; + 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)) { + cpu_to_le16(PS_MODE_ACTION_EXIT_PS)) { lbs_deb_host( "EXEC_NEXT_CMD: ignore ENTER_PS cmd\n"); - list_del((struct list_head *)cmdnode); - libertas_cleanup_and_insert_cmd(priv, cmdnode); + lbs_complete_command(priv, cmdnode, 0); ret = 0; goto done; } - if ((adapter->psstate == PS_STATE_SLEEP) || - (adapter->psstate == PS_STATE_PRE_SLEEP)) { + 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((struct list_head *)cmdnode); - libertas_cleanup_and_insert_cmd(priv, cmdnode); - adapter->needtowakeup = 1; + lbs_complete_command(priv, cmdnode, 0); + priv->needtowakeup = 1; ret = 0; goto done; @@ -1740,35 +1416,51 @@ int libertas_execute_next_command(wlan_private * priv) "EXEC_NEXT_CMD: sending EXIT_PS\n"); } } - list_del((struct list_head *)cmdnode); + spin_lock_irqsave(&priv->driver_lock, flags); + list_del_init(&cmdnode->list); + spin_unlock_irqrestore(&priv->driver_lock, flags); lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n", - le16_to_cpu(cmdptr->command)); - DownloadcommandToStation(priv, cmdnode); + 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 ((adapter->psmode != WLAN802_11POWERMODECAM) && - (adapter->psstate == PS_STATE_FULL_POWER) && - (adapter->connect_status == LIBERTAS_CONNECTED)) { - if (adapter->secinfo.WPAenabled || - adapter->secinfo.WPA2enabled) { +#ifdef TODO + /* + * This was the old code for libertas+wext. Someone that + * understands this beast should re-code it in a sane way. + * + * I actually don't understand why this is related to WPA + * and to connection status, shouldn't powering should be + * independ of such things? + */ + if ((priv->psmode != LBS802_11POWERMODECAM) && + (priv->psstate == PS_STATE_FULL_POWER) && + ((priv->connect_status == LBS_CONNECTED) || + lbs_mesh_connected(priv))) { + if (priv->secinfo.WPAenabled || + priv->secinfo.WPA2enabled) { /* check for valid WPA group keys */ - if (adapter->wpa_mcast_key.len || - adapter->wpa_unicast_key.len) { + 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"); - libertas_ps_sleep(priv, 0); + lbs_set_ps_mode(priv, + PS_MODE_ACTION_ENTER_PS, + false); } } else { lbs_deb_host( "EXEC_NEXT_CMD: cmdpendingq empty, " "go back to PS_SLEEP"); - libertas_ps_sleep(priv, 0); + lbs_set_ps_mode(priv, PS_MODE_ACTION_ENTER_PS, + false); } } +#endif } ret = 0; @@ -1777,148 +1469,256 @@ done: return ret; } -void libertas_send_iwevcustom_event(wlan_private * priv, s8 * str) +static void lbs_send_confirmsleep(struct lbs_private *priv) { - union iwreq_data iwrq; - u8 buf[50]; + unsigned long flags; + int ret; - lbs_deb_enter(LBS_DEB_WEXT); + lbs_deb_enter(LBS_DEB_HOST); + lbs_deb_hex(LBS_DEB_HOST, "sleep confirm", (u8 *) &confirm_sleep, + sizeof(confirm_sleep)); - memset(&iwrq, 0, sizeof(union iwreq_data)); - memset(buf, 0, sizeof(buf)); + ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) &confirm_sleep, + sizeof(confirm_sleep)); + if (ret) { + netdev_alert(priv->dev, "confirm_sleep failed\n"); + goto out; + } - snprintf(buf, sizeof(buf) - 1, "%s", str); + spin_lock_irqsave(&priv->driver_lock, flags); + + /* We don't get a response on the sleep-confirmation */ + priv->dnld_sent = DNLD_RES_RECEIVED; - iwrq.data.length = strlen(buf) + 1 + IW_EV_LCP_LEN; + if (priv->is_host_sleep_configured) { + priv->is_host_sleep_activated = 1; + wake_up_interruptible(&priv->host_sleep_q); + } - /* 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); + /* 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; - wireless_send_event(priv->dev, IWEVCUSTOM, &iwrq, buf); + spin_unlock_irqrestore(&priv->driver_lock, flags); - lbs_deb_leave(LBS_DEB_WEXT); +out: + lbs_deb_leave(LBS_DEB_HOST); } -static int sendconfirmsleep(wlan_private * priv, u8 * cmdptr, u16 size) +/** + * lbs_ps_confirm_sleep - checks condition and prepares to + * send sleep confirm command to firmware if ok + * + * @priv: A pointer to &struct lbs_private structure + * + * returns: n/a + */ +void lbs_ps_confirm_sleep(struct lbs_private *priv) { - unsigned long flags; - wlan_adapter *adapter = priv->adapter; - int ret = 0; + unsigned long flags =0; + int allowed = 1; lbs_deb_enter(LBS_DEB_HOST); - lbs_deb_host("SEND_SLEEPC_CMD: before download, cmd size %d\n", - size); - - lbs_deb_hex(LBS_DEB_HOST, "sleep confirm command", cmdptr, size); + spin_lock_irqsave(&priv->driver_lock, flags); + if (priv->dnld_sent) { + allowed = 0; + lbs_deb_host("dnld_sent was set\n"); + } - ret = priv->hw_host_to_card(priv, MVMS_CMD, cmdptr, size); - priv->dnld_sent = DNLD_RES_RECEIVED; + /* In-progress command? */ + if (priv->cur_cmd) { + allowed = 0; + lbs_deb_host("cur_cmd was set\n"); + } - spin_lock_irqsave(&adapter->driver_lock, flags); - if (adapter->intcounter || adapter->currenttxskb) - lbs_deb_host("SEND_SLEEPC_CMD: intcounter %d, currenttxskb %p\n", - adapter->intcounter, adapter->currenttxskb); - spin_unlock_irqrestore(&adapter->driver_lock, flags); + /* 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 (ret) { - lbs_pr_alert( - "SEND_SLEEPC_CMD: Host to Card failed for Confirm Sleep\n"); + if (allowed) { + lbs_deb_host("sending lbs_ps_confirm_sleep\n"); + lbs_send_confirmsleep(priv); } else { - spin_lock_irqsave(&adapter->driver_lock, flags); - if (!adapter->intcounter) { - adapter->psstate = PS_STATE_SLEEP; - } else { - lbs_deb_host("SEND_SLEEPC_CMD: after sent, intcounter %d\n", - adapter->intcounter); - } - spin_unlock_irqrestore(&adapter->driver_lock, flags); - - lbs_deb_host("SEND_SLEEPC_CMD: sent confirm sleep\n"); + lbs_deb_host("sleep confirm has been delayed\n"); } - lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret); - return ret; + lbs_deb_leave(LBS_DEB_HOST); } -void libertas_ps_sleep(wlan_private * priv, int wait_option) + +/** + * lbs_set_tpc_cfg - Configures the transmission power control functionality + * + * @priv: A pointer to &struct lbs_private structure + * @enable: Transmission power control enable + * @p0: Power level when link quality is good (dBm). + * @p1: Power level when link quality is fair (dBm). + * @p2: Power level when link quality is poor (dBm). + * @usesnr: Use Signal to Noise Ratio in TPC + * + * returns: 0 on success + */ +int lbs_set_tpc_cfg(struct lbs_private *priv, int enable, int8_t p0, int8_t p1, + int8_t p2, int usesnr) { - lbs_deb_enter(LBS_DEB_HOST); + struct cmd_ds_802_11_tpc_cfg cmd; + int ret; - /* - * PS is currently supported only in Infrastructure mode - * Remove this check if it is to be supported in IBSS mode also - */ + memset(&cmd, 0, sizeof(cmd)); + cmd.hdr.size = cpu_to_le16(sizeof(cmd)); + cmd.action = cpu_to_le16(CMD_ACT_SET); + cmd.enable = !!enable; + cmd.usesnr = !!usesnr; + cmd.P0 = p0; + cmd.P1 = p1; + cmd.P2 = p2; - libertas_prepare_and_send_command(priv, CMD_802_11_PS_MODE, - CMD_SUBCMD_ENTER_PS, wait_option, 0, NULL); + ret = lbs_cmd_with_response(priv, CMD_802_11_TPC_CFG, &cmd); - lbs_deb_leave(LBS_DEB_HOST); + return ret; } /** - * @brief This function sends Exit_PS command to firmware. + * lbs_set_power_adapt_cfg - Configures the power adaptation settings + * + * @priv: A pointer to &struct lbs_private structure + * @enable: Power adaptation enable + * @p0: Power level for 1, 2, 5.5 and 11 Mbps (dBm). + * @p1: Power level for 6, 9, 12, 18, 22, 24 and 36 Mbps (dBm). + * @p2: Power level for 48 and 54 Mbps (dBm). * - * @param priv A pointer to wlan_private structure - * @param wait_option wait response or not - * @return n/a + * returns: 0 on Success */ -void libertas_ps_wakeup(wlan_private * priv, int wait_option) -{ - __le32 Localpsmode; - lbs_deb_enter(LBS_DEB_HOST); +int lbs_set_power_adapt_cfg(struct lbs_private *priv, int enable, int8_t p0, + int8_t p1, int8_t p2) +{ + struct cmd_ds_802_11_pa_cfg cmd; + int ret; - Localpsmode = cpu_to_le32(WLAN802_11POWERMODECAM); + memset(&cmd, 0, sizeof(cmd)); + cmd.hdr.size = cpu_to_le16(sizeof(cmd)); + cmd.action = cpu_to_le16(CMD_ACT_SET); + cmd.enable = !!enable; + cmd.P0 = p0; + cmd.P1 = p1; + cmd.P2 = p2; - libertas_prepare_and_send_command(priv, CMD_802_11_PS_MODE, - CMD_SUBCMD_EXIT_PS, - wait_option, 0, &Localpsmode); + ret = lbs_cmd_with_response(priv, CMD_802_11_PA_CFG , &cmd); - lbs_deb_leave(LBS_DEB_HOST); + return ret; } -/** - * @brief This function checks condition and prepares to - * send sleep confirm command to firmware if ok. - * - * @param priv A pointer to wlan_private structure - * @param psmode Power Saving mode - * @return n/a - */ -void libertas_ps_confirm_sleep(wlan_private * priv, u16 psmode) + +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) { - unsigned long flags =0; - wlan_adapter *adapter = priv->adapter; - u8 allowed = 1; + struct cmd_ctrl_node *cmdnode; lbs_deb_enter(LBS_DEB_HOST); - if (priv->dnld_sent) { - allowed = 0; - lbs_deb_host("dnld_sent was set"); + if (priv->surpriseremoved) { + lbs_deb_host("PREP_CMD: card removed\n"); + cmdnode = ERR_PTR(-ENOENT); + goto done; } - spin_lock_irqsave(&adapter->driver_lock, flags); - if (adapter->cur_cmd) { - allowed = 0; - lbs_deb_host("cur_cmd was set"); + /* No commands are allowed in Deep Sleep until we toggle the GPIO + * to wake up the card and it has signaled that it's ready. + */ + if (!priv->is_auto_deep_sleep_enabled) { + if (priv->is_deep_sleep) { + lbs_deb_cmd("command not allowed in deep sleep\n"); + cmdnode = ERR_PTR(-EBUSY); + goto done; + } } - if (adapter->intcounter > 0) { - allowed = 0; - lbs_deb_host("intcounter %d", adapter->intcounter); + + cmdnode = lbs_get_free_cmd_node(priv); + if (cmdnode == NULL) { + lbs_deb_host("PREP_CMD: cmdnode is NULL\n"); + + /* Wake up main thread to execute next command */ + wake_up(&priv->waitq); + cmdnode = ERR_PTR(-ENOBUFS); + goto done; } - spin_unlock_irqrestore(&adapter->driver_lock, flags); - if (allowed) { - lbs_deb_host("sending libertas_ps_confirm_sleep\n"); - sendconfirmsleep(priv, (u8 *) & adapter->libertas_ps_confirm_sleep, - sizeof(struct PS_CMD_ConfirmSleep)); - } else { - lbs_deb_host("sleep confirm has been delayed\n"); + cmdnode->callback = callback; + cmdnode->callback_arg = callback_arg; + + /* Copy the incoming command to the buffer */ + memcpy(cmdnode->cmdbuf, in_cmd, in_cmd_size); + + /* Set command, clean result, move to buffer */ + cmdnode->cmdbuf->command = cpu_to_le16(command); + cmdnode->cmdbuf->size = cpu_to_le16(in_cmd_size); + cmdnode->cmdbuf->result = 0; + + lbs_deb_host("PREP_CMD: command 0x%04x\n", command); + + cmdnode->cmdwaitqwoken = 0; + lbs_queue_cmd(priv, cmdnode); + wake_up(&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; } - lbs_deb_leave(LBS_DEB_HOST); + might_sleep(); + + /* + * Be careful with signals here. A signal may be received as the system + * goes into suspend or resume. We do not want this to interrupt the + * command, so we perform an uninterruptible sleep. + */ + wait_event(cmdnode->cmdwait_q, cmdnode->cmdwaitqwoken); + + spin_lock_irqsave(&priv->driver_lock, flags); + ret = cmdnode->result; + if (ret) + netdev_info(priv->dev, "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); |