diff options
Diffstat (limited to 'drivers/net/wireless/mwifiex/cmdevt.c')
| -rw-r--r-- | drivers/net/wireless/mwifiex/cmdevt.c | 1659 |
1 files changed, 0 insertions, 1659 deletions
diff --git a/drivers/net/wireless/mwifiex/cmdevt.c b/drivers/net/wireless/mwifiex/cmdevt.c deleted file mode 100644 index 45ae38e32..000000000 --- a/drivers/net/wireless/mwifiex/cmdevt.c +++ /dev/null @@ -1,1659 +0,0 @@ -/* - * Marvell Wireless LAN device driver: commands and events - * - * Copyright (C) 2011-2014, Marvell International Ltd. - * - * This software file (the "File") is distributed by Marvell International - * Ltd. under the terms of the GNU General Public License Version 2, June 1991 - * (the "License"). You may use, redistribute and/or modify this File in - * accordance with the terms and conditions of the License, a copy of which - * is available by writing to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the - * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. - * - * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE - * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE - * ARE EXPRESSLY DISCLAIMED. The License provides additional details about - * this warranty disclaimer. - */ - -#include "decl.h" -#include "ioctl.h" -#include "util.h" -#include "fw.h" -#include "main.h" -#include "wmm.h" -#include "11n.h" -#include "11ac.h" - -/* - * This function initializes a command node. - * - * The actual allocation of the node is not done by this function. It only - * initiates a node by filling it with default parameters. Similarly, - * allocation of the different buffers used (IOCTL buffer, data buffer) are - * not done by this function either. - */ -static void -mwifiex_init_cmd_node(struct mwifiex_private *priv, - struct cmd_ctrl_node *cmd_node, - u32 cmd_oid, void *data_buf, bool sync) -{ - cmd_node->priv = priv; - cmd_node->cmd_oid = cmd_oid; - if (sync) { - cmd_node->wait_q_enabled = true; - cmd_node->cmd_wait_q_woken = false; - cmd_node->condition = &cmd_node->cmd_wait_q_woken; - } - cmd_node->data_buf = data_buf; - cmd_node->cmd_skb = cmd_node->skb; -} - -/* - * This function returns a command node from the free queue depending upon - * availability. - */ -static struct cmd_ctrl_node * -mwifiex_get_cmd_node(struct mwifiex_adapter *adapter) -{ - struct cmd_ctrl_node *cmd_node; - unsigned long flags; - - spin_lock_irqsave(&adapter->cmd_free_q_lock, flags); - if (list_empty(&adapter->cmd_free_q)) { - mwifiex_dbg(adapter, ERROR, - "GET_CMD_NODE: cmd node not available\n"); - spin_unlock_irqrestore(&adapter->cmd_free_q_lock, flags); - return NULL; - } - cmd_node = list_first_entry(&adapter->cmd_free_q, - struct cmd_ctrl_node, list); - list_del(&cmd_node->list); - spin_unlock_irqrestore(&adapter->cmd_free_q_lock, flags); - - return cmd_node; -} - -/* - * This function cleans up a command node. - * - * The function resets the fields including the buffer pointers. - * This function does not try to free the buffers. They must be - * freed before calling this function. - * - * This function will however call the receive completion callback - * in case a response buffer is still available before resetting - * the pointer. - */ -static void -mwifiex_clean_cmd_node(struct mwifiex_adapter *adapter, - struct cmd_ctrl_node *cmd_node) -{ - cmd_node->cmd_oid = 0; - cmd_node->cmd_flag = 0; - cmd_node->data_buf = NULL; - cmd_node->wait_q_enabled = false; - - if (cmd_node->cmd_skb) - skb_trim(cmd_node->cmd_skb, 0); - - if (cmd_node->resp_skb) { - adapter->if_ops.cmdrsp_complete(adapter, cmd_node->resp_skb); - cmd_node->resp_skb = NULL; - } -} - -/* - * This function sends a host command to the firmware. - * - * The function copies the host command into the driver command - * buffer, which will be transferred to the firmware later by the - * main thread. - */ -static int mwifiex_cmd_host_cmd(struct mwifiex_private *priv, - struct host_cmd_ds_command *cmd, - struct mwifiex_ds_misc_cmd *pcmd_ptr) -{ - /* Copy the HOST command to command buffer */ - memcpy(cmd, pcmd_ptr->cmd, pcmd_ptr->len); - mwifiex_dbg(priv->adapter, CMD, - "cmd: host cmd size = %d\n", pcmd_ptr->len); - return 0; -} - -/* - * This function downloads a command to the firmware. - * - * The function performs sanity tests, sets the command sequence - * number and size, converts the header fields to CPU format before - * sending. Afterwards, it logs the command ID and action for debugging - * and sets up the command timeout timer. - */ -static int mwifiex_dnld_cmd_to_fw(struct mwifiex_private *priv, - struct cmd_ctrl_node *cmd_node) -{ - - struct mwifiex_adapter *adapter = priv->adapter; - int ret; - struct host_cmd_ds_command *host_cmd; - uint16_t cmd_code; - uint16_t cmd_size; - unsigned long flags; - __le32 tmp; - - if (!adapter || !cmd_node) - return -1; - - host_cmd = (struct host_cmd_ds_command *) (cmd_node->cmd_skb->data); - - /* Sanity test */ - if (host_cmd == NULL || host_cmd->size == 0) { - mwifiex_dbg(adapter, ERROR, - "DNLD_CMD: host_cmd is null\t" - "or cmd size is 0, not sending\n"); - if (cmd_node->wait_q_enabled) - adapter->cmd_wait_q.status = -1; - mwifiex_recycle_cmd_node(adapter, cmd_node); - return -1; - } - - cmd_code = le16_to_cpu(host_cmd->command); - cmd_size = le16_to_cpu(host_cmd->size); - - if (adapter->hw_status == MWIFIEX_HW_STATUS_RESET && - cmd_code != HostCmd_CMD_FUNC_SHUTDOWN && - cmd_code != HostCmd_CMD_FUNC_INIT) { - mwifiex_dbg(adapter, ERROR, - "DNLD_CMD: FW in reset state, ignore cmd %#x\n", - cmd_code); - mwifiex_recycle_cmd_node(adapter, cmd_node); - queue_work(adapter->workqueue, &adapter->main_work); - return -1; - } - - /* Set command sequence number */ - adapter->seq_num++; - host_cmd->seq_num = cpu_to_le16(HostCmd_SET_SEQ_NO_BSS_INFO - (adapter->seq_num, - cmd_node->priv->bss_num, - cmd_node->priv->bss_type)); - - spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags); - adapter->curr_cmd = cmd_node; - spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); - - /* Adjust skb length */ - if (cmd_node->cmd_skb->len > cmd_size) - /* - * cmd_size is less than sizeof(struct host_cmd_ds_command). - * Trim off the unused portion. - */ - skb_trim(cmd_node->cmd_skb, cmd_size); - else if (cmd_node->cmd_skb->len < cmd_size) - /* - * cmd_size is larger than sizeof(struct host_cmd_ds_command) - * because we have appended custom IE TLV. Increase skb length - * accordingly. - */ - skb_put(cmd_node->cmd_skb, cmd_size - cmd_node->cmd_skb->len); - - mwifiex_dbg(adapter, CMD, - "cmd: DNLD_CMD: %#x, act %#x, len %d, seqno %#x\n", - cmd_code, - le16_to_cpu(*(__le16 *)((u8 *)host_cmd + S_DS_GEN)), - cmd_size, le16_to_cpu(host_cmd->seq_num)); - mwifiex_dbg_dump(adapter, CMD_D, "cmd buffer:", host_cmd, cmd_size); - - if (adapter->iface_type == MWIFIEX_USB) { - tmp = cpu_to_le32(MWIFIEX_USB_TYPE_CMD); - skb_push(cmd_node->cmd_skb, MWIFIEX_TYPE_LEN); - memcpy(cmd_node->cmd_skb->data, &tmp, MWIFIEX_TYPE_LEN); - adapter->cmd_sent = true; - ret = adapter->if_ops.host_to_card(adapter, - MWIFIEX_USB_EP_CMD_EVENT, - cmd_node->cmd_skb, NULL); - skb_pull(cmd_node->cmd_skb, MWIFIEX_TYPE_LEN); - if (ret == -EBUSY) - cmd_node->cmd_skb = NULL; - } else { - skb_push(cmd_node->cmd_skb, INTF_HEADER_LEN); - ret = adapter->if_ops.host_to_card(adapter, MWIFIEX_TYPE_CMD, - cmd_node->cmd_skb, NULL); - skb_pull(cmd_node->cmd_skb, INTF_HEADER_LEN); - } - - if (ret == -1) { - mwifiex_dbg(adapter, ERROR, - "DNLD_CMD: host to card failed\n"); - if (adapter->iface_type == MWIFIEX_USB) - adapter->cmd_sent = false; - if (cmd_node->wait_q_enabled) - adapter->cmd_wait_q.status = -1; - mwifiex_recycle_cmd_node(adapter, adapter->curr_cmd); - - spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags); - adapter->curr_cmd = NULL; - spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); - - adapter->dbg.num_cmd_host_to_card_failure++; - return -1; - } - - /* Save the last command id and action to debug log */ - adapter->dbg.last_cmd_index = - (adapter->dbg.last_cmd_index + 1) % DBG_CMD_NUM; - adapter->dbg.last_cmd_id[adapter->dbg.last_cmd_index] = cmd_code; - adapter->dbg.last_cmd_act[adapter->dbg.last_cmd_index] = - le16_to_cpu(*(__le16 *) ((u8 *) host_cmd + S_DS_GEN)); - - /* Clear BSS_NO_BITS from HostCmd */ - cmd_code &= HostCmd_CMD_ID_MASK; - - /* Setup the timer after transmit command */ - mod_timer(&adapter->cmd_timer, - jiffies + msecs_to_jiffies(MWIFIEX_TIMER_10S)); - - return 0; -} - -/* - * This function downloads a sleep confirm command to the firmware. - * - * The function performs sanity tests, sets the command sequence - * number and size, converts the header fields to CPU format before - * sending. - * - * No responses are needed for sleep confirm command. - */ -static int mwifiex_dnld_sleep_confirm_cmd(struct mwifiex_adapter *adapter) -{ - int ret; - struct mwifiex_private *priv; - struct mwifiex_opt_sleep_confirm *sleep_cfm_buf = - (struct mwifiex_opt_sleep_confirm *) - adapter->sleep_cfm->data; - struct sk_buff *sleep_cfm_tmp; - __le32 tmp; - - priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); - - adapter->seq_num++; - sleep_cfm_buf->seq_num = - cpu_to_le16((HostCmd_SET_SEQ_NO_BSS_INFO - (adapter->seq_num, priv->bss_num, - priv->bss_type))); - - mwifiex_dbg(adapter, CMD, - "cmd: DNLD_CMD: %#x, act %#x, len %d, seqno %#x\n", - le16_to_cpu(sleep_cfm_buf->command), - le16_to_cpu(sleep_cfm_buf->action), - le16_to_cpu(sleep_cfm_buf->size), - le16_to_cpu(sleep_cfm_buf->seq_num)); - mwifiex_dbg_dump(adapter, CMD_D, "SLEEP_CFM buffer: ", sleep_cfm_buf, - le16_to_cpu(sleep_cfm_buf->size)); - - if (adapter->iface_type == MWIFIEX_USB) { - sleep_cfm_tmp = - dev_alloc_skb(sizeof(struct mwifiex_opt_sleep_confirm) - + MWIFIEX_TYPE_LEN); - skb_put(sleep_cfm_tmp, sizeof(struct mwifiex_opt_sleep_confirm) - + MWIFIEX_TYPE_LEN); - tmp = cpu_to_le32(MWIFIEX_USB_TYPE_CMD); - memcpy(sleep_cfm_tmp->data, &tmp, MWIFIEX_TYPE_LEN); - memcpy(sleep_cfm_tmp->data + MWIFIEX_TYPE_LEN, - adapter->sleep_cfm->data, - sizeof(struct mwifiex_opt_sleep_confirm)); - ret = adapter->if_ops.host_to_card(adapter, - MWIFIEX_USB_EP_CMD_EVENT, - sleep_cfm_tmp, NULL); - if (ret != -EBUSY) - dev_kfree_skb_any(sleep_cfm_tmp); - } else { - skb_push(adapter->sleep_cfm, INTF_HEADER_LEN); - ret = adapter->if_ops.host_to_card(adapter, MWIFIEX_TYPE_CMD, - adapter->sleep_cfm, NULL); - skb_pull(adapter->sleep_cfm, INTF_HEADER_LEN); - } - - if (ret == -1) { - mwifiex_dbg(adapter, ERROR, "SLEEP_CFM: failed\n"); - adapter->dbg.num_cmd_sleep_cfm_host_to_card_failure++; - return -1; - } - - if (!le16_to_cpu(sleep_cfm_buf->resp_ctrl)) - /* Response is not needed for sleep confirm command */ - adapter->ps_state = PS_STATE_SLEEP; - else - adapter->ps_state = PS_STATE_SLEEP_CFM; - - if (!le16_to_cpu(sleep_cfm_buf->resp_ctrl) && - (adapter->is_hs_configured && - !adapter->sleep_period.period)) { - adapter->pm_wakeup_card_req = true; - mwifiex_hs_activated_event(mwifiex_get_priv - (adapter, MWIFIEX_BSS_ROLE_ANY), true); - } - - return ret; -} - -/* - * This function allocates the command buffers and links them to - * the command free queue. - * - * The driver uses a pre allocated number of command buffers, which - * are created at driver initializations and freed at driver cleanup. - * Every command needs to obtain a command buffer from this pool before - * it can be issued. The command free queue lists the command buffers - * currently free to use, while the command pending queue lists the - * command buffers already in use and awaiting handling. Command buffers - * are returned to the free queue after use. - */ -int mwifiex_alloc_cmd_buffer(struct mwifiex_adapter *adapter) -{ - struct cmd_ctrl_node *cmd_array; - u32 i; - - /* Allocate and initialize struct cmd_ctrl_node */ - cmd_array = kcalloc(MWIFIEX_NUM_OF_CMD_BUFFER, - sizeof(struct cmd_ctrl_node), GFP_KERNEL); - if (!cmd_array) - return -ENOMEM; - - adapter->cmd_pool = cmd_array; - - /* Allocate and initialize command buffers */ - for (i = 0; i < MWIFIEX_NUM_OF_CMD_BUFFER; i++) { - cmd_array[i].skb = dev_alloc_skb(MWIFIEX_SIZE_OF_CMD_BUFFER); - if (!cmd_array[i].skb) { - mwifiex_dbg(adapter, ERROR, - "unable to allocate command buffer\n"); - return -ENOMEM; - } - } - - for (i = 0; i < MWIFIEX_NUM_OF_CMD_BUFFER; i++) - mwifiex_insert_cmd_to_free_q(adapter, &cmd_array[i]); - - return 0; -} - -/* - * This function frees the command buffers. - * - * The function calls the completion callback for all the command - * buffers that still have response buffers associated with them. - */ -int mwifiex_free_cmd_buffer(struct mwifiex_adapter *adapter) -{ - struct cmd_ctrl_node *cmd_array; - u32 i; - - /* Need to check if cmd pool is allocated or not */ - if (!adapter->cmd_pool) { - mwifiex_dbg(adapter, FATAL, - "info: FREE_CMD_BUF: cmd_pool is null\n"); - return 0; - } - - cmd_array = adapter->cmd_pool; - - /* Release shared memory buffers */ - for (i = 0; i < MWIFIEX_NUM_OF_CMD_BUFFER; i++) { - if (cmd_array[i].skb) { - mwifiex_dbg(adapter, CMD, - "cmd: free cmd buffer %d\n", i); - dev_kfree_skb_any(cmd_array[i].skb); - } - if (!cmd_array[i].resp_skb) - continue; - - if (adapter->iface_type == MWIFIEX_USB) - adapter->if_ops.cmdrsp_complete(adapter, - cmd_array[i].resp_skb); - else - dev_kfree_skb_any(cmd_array[i].resp_skb); - } - /* Release struct cmd_ctrl_node */ - if (adapter->cmd_pool) { - mwifiex_dbg(adapter, CMD, - "cmd: free cmd pool\n"); - kfree(adapter->cmd_pool); - adapter->cmd_pool = NULL; - } - - return 0; -} - -/* - * This function handles events generated by firmware. - * - * Event body of events received from firmware are not used (though they are - * saved), only the event ID is used. Some events are re-invoked by - * the driver, with a new event body. - * - * After processing, the function calls the completion callback - * for cleanup. - */ -int mwifiex_process_event(struct mwifiex_adapter *adapter) -{ - int ret; - struct mwifiex_private *priv = - mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); - struct sk_buff *skb = adapter->event_skb; - u32 eventcause = adapter->event_cause; - struct mwifiex_rxinfo *rx_info; - - /* Save the last event to debug log */ - adapter->dbg.last_event_index = - (adapter->dbg.last_event_index + 1) % DBG_CMD_NUM; - adapter->dbg.last_event[adapter->dbg.last_event_index] = - (u16) eventcause; - - /* Get BSS number and corresponding priv */ - priv = mwifiex_get_priv_by_id(adapter, EVENT_GET_BSS_NUM(eventcause), - EVENT_GET_BSS_TYPE(eventcause)); - if (!priv) - priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); - - /* Clear BSS_NO_BITS from event */ - eventcause &= EVENT_ID_MASK; - adapter->event_cause = eventcause; - - if (skb) { - rx_info = MWIFIEX_SKB_RXCB(skb); - memset(rx_info, 0, sizeof(*rx_info)); - rx_info->bss_num = priv->bss_num; - rx_info->bss_type = priv->bss_type; - mwifiex_dbg_dump(adapter, EVT_D, "Event Buf:", - skb->data, skb->len); - } - - mwifiex_dbg(adapter, EVENT, "EVENT: cause: %#x\n", eventcause); - - if (priv->bss_role == MWIFIEX_BSS_ROLE_UAP) - ret = mwifiex_process_uap_event(priv); - else - ret = mwifiex_process_sta_event(priv); - - adapter->event_cause = 0; - adapter->event_skb = NULL; - adapter->if_ops.event_complete(adapter, skb); - - return ret; -} - -/* - * This function prepares a command and send it to the firmware. - * - * Preparation includes - - * - Sanity tests to make sure the card is still present or the FW - * is not reset - * - Getting a new command node from the command free queue - * - Initializing the command node for default parameters - * - Fill up the non-default parameters and buffer pointers - * - Add the command to pending queue - */ -int mwifiex_send_cmd(struct mwifiex_private *priv, u16 cmd_no, - u16 cmd_action, u32 cmd_oid, void *data_buf, bool sync) -{ - int ret; - struct mwifiex_adapter *adapter = priv->adapter; - struct cmd_ctrl_node *cmd_node; - struct host_cmd_ds_command *cmd_ptr; - - if (!adapter) { - pr_err("PREP_CMD: adapter is NULL\n"); - return -1; - } - - if (adapter->is_suspended) { - mwifiex_dbg(adapter, ERROR, - "PREP_CMD: device in suspended state\n"); - return -1; - } - - if (adapter->hs_enabling && cmd_no != HostCmd_CMD_802_11_HS_CFG_ENH) { - mwifiex_dbg(adapter, ERROR, - "PREP_CMD: host entering sleep state\n"); - return -1; - } - - if (adapter->surprise_removed) { - mwifiex_dbg(adapter, ERROR, - "PREP_CMD: card is removed\n"); - return -1; - } - - if (adapter->is_cmd_timedout) { - mwifiex_dbg(adapter, ERROR, - "PREP_CMD: FW is in bad state\n"); - return -1; - } - - if (adapter->hw_status == MWIFIEX_HW_STATUS_RESET) { - if (cmd_no != HostCmd_CMD_FUNC_INIT) { - mwifiex_dbg(adapter, ERROR, - "PREP_CMD: FW in reset state\n"); - return -1; - } - } - - /* Get a new command node */ - cmd_node = mwifiex_get_cmd_node(adapter); - - if (!cmd_node) { - mwifiex_dbg(adapter, ERROR, - "PREP_CMD: no free cmd node\n"); - return -1; - } - - /* Initialize the command node */ - mwifiex_init_cmd_node(priv, cmd_node, cmd_oid, data_buf, sync); - - if (!cmd_node->cmd_skb) { - mwifiex_dbg(adapter, ERROR, - "PREP_CMD: no free cmd buf\n"); - return -1; - } - - memset(skb_put(cmd_node->cmd_skb, sizeof(struct host_cmd_ds_command)), - 0, sizeof(struct host_cmd_ds_command)); - - cmd_ptr = (struct host_cmd_ds_command *) (cmd_node->cmd_skb->data); - cmd_ptr->command = cpu_to_le16(cmd_no); - cmd_ptr->result = 0; - - /* Prepare command */ - if (cmd_no) { - switch (cmd_no) { - case HostCmd_CMD_UAP_SYS_CONFIG: - case HostCmd_CMD_UAP_BSS_START: - case HostCmd_CMD_UAP_BSS_STOP: - case HostCmd_CMD_UAP_STA_DEAUTH: - case HOST_CMD_APCMD_SYS_RESET: - case HOST_CMD_APCMD_STA_LIST: - ret = mwifiex_uap_prepare_cmd(priv, cmd_no, cmd_action, - cmd_oid, data_buf, - cmd_ptr); - break; - default: - ret = mwifiex_sta_prepare_cmd(priv, cmd_no, cmd_action, - cmd_oid, data_buf, - cmd_ptr); - break; - } - } else { - ret = mwifiex_cmd_host_cmd(priv, cmd_ptr, data_buf); - cmd_node->cmd_flag |= CMD_F_HOSTCMD; - } - - /* Return error, since the command preparation failed */ - if (ret) { - mwifiex_dbg(adapter, ERROR, - "PREP_CMD: cmd %#x preparation failed\n", - cmd_no); - mwifiex_insert_cmd_to_free_q(adapter, cmd_node); - return -1; - } - - /* Send command */ - if (cmd_no == HostCmd_CMD_802_11_SCAN || - cmd_no == HostCmd_CMD_802_11_SCAN_EXT) { - mwifiex_queue_scan_cmd(priv, cmd_node); - } else { - mwifiex_insert_cmd_to_pending_q(adapter, cmd_node, true); - queue_work(adapter->workqueue, &adapter->main_work); - if (cmd_node->wait_q_enabled) - ret = mwifiex_wait_queue_complete(adapter, cmd_node); - } - - return ret; -} - -/* - * This function returns a command to the command free queue. - * - * The function also calls the completion callback if required, before - * cleaning the command node and re-inserting it into the free queue. - */ -void -mwifiex_insert_cmd_to_free_q(struct mwifiex_adapter *adapter, - struct cmd_ctrl_node *cmd_node) -{ - unsigned long flags; - - if (!cmd_node) - return; - - if (cmd_node->wait_q_enabled) - mwifiex_complete_cmd(adapter, cmd_node); - /* Clean the node */ - mwifiex_clean_cmd_node(adapter, cmd_node); - - /* Insert node into cmd_free_q */ - spin_lock_irqsave(&adapter->cmd_free_q_lock, flags); - list_add_tail(&cmd_node->list, &adapter->cmd_free_q); - spin_unlock_irqrestore(&adapter->cmd_free_q_lock, flags); -} - -/* This function reuses a command node. */ -void mwifiex_recycle_cmd_node(struct mwifiex_adapter *adapter, - struct cmd_ctrl_node *cmd_node) -{ - struct host_cmd_ds_command *host_cmd = (void *)cmd_node->cmd_skb->data; - - mwifiex_insert_cmd_to_free_q(adapter, cmd_node); - - atomic_dec(&adapter->cmd_pending); - mwifiex_dbg(adapter, CMD, - "cmd: FREE_CMD: cmd=%#x, cmd_pending=%d\n", - le16_to_cpu(host_cmd->command), - atomic_read(&adapter->cmd_pending)); -} - -/* - * This function queues a command to the command pending queue. - * - * This in effect adds the command to the command list to be executed. - * Exit PS command is handled specially, by placing it always to the - * front of the command queue. - */ -void -mwifiex_insert_cmd_to_pending_q(struct mwifiex_adapter *adapter, - struct cmd_ctrl_node *cmd_node, u32 add_tail) -{ - struct host_cmd_ds_command *host_cmd = NULL; - u16 command; - unsigned long flags; - - host_cmd = (struct host_cmd_ds_command *) (cmd_node->cmd_skb->data); - if (!host_cmd) { - mwifiex_dbg(adapter, ERROR, "QUEUE_CMD: host_cmd is NULL\n"); - return; - } - - command = le16_to_cpu(host_cmd->command); - - /* Exit_PS command needs to be queued in the header always. */ - if (command == HostCmd_CMD_802_11_PS_MODE_ENH) { - struct host_cmd_ds_802_11_ps_mode_enh *pm = - &host_cmd->params.psmode_enh; - if ((le16_to_cpu(pm->action) == DIS_PS) || - (le16_to_cpu(pm->action) == DIS_AUTO_PS)) { - if (adapter->ps_state != PS_STATE_AWAKE) - add_tail = false; - } - } - - spin_lock_irqsave(&adapter->cmd_pending_q_lock, flags); - if (add_tail) - list_add_tail(&cmd_node->list, &adapter->cmd_pending_q); - else - list_add(&cmd_node->list, &adapter->cmd_pending_q); - spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, flags); - - atomic_inc(&adapter->cmd_pending); - mwifiex_dbg(adapter, CMD, - "cmd: QUEUE_CMD: cmd=%#x, cmd_pending=%d\n", - command, atomic_read(&adapter->cmd_pending)); -} - -/* - * This function executes the next command in command pending queue. - * - * This function will fail if a command is already in processing stage, - * otherwise it will dequeue the first command from the command pending - * queue and send to the firmware. - * - * If the device is currently in host sleep mode, any commands, except the - * host sleep configuration command will de-activate the host sleep. For PS - * mode, the function will put the firmware back to sleep if applicable. - */ -int mwifiex_exec_next_cmd(struct mwifiex_adapter *adapter) -{ - struct mwifiex_private *priv; - struct cmd_ctrl_node *cmd_node; - int ret = 0; - struct host_cmd_ds_command *host_cmd; - unsigned long cmd_flags; - unsigned long cmd_pending_q_flags; - - /* Check if already in processing */ - if (adapter->curr_cmd) { - mwifiex_dbg(adapter, FATAL, - "EXEC_NEXT_CMD: cmd in processing\n"); - return -1; - } - - spin_lock_irqsave(&adapter->mwifiex_cmd_lock, cmd_flags); - /* Check if any command is pending */ - spin_lock_irqsave(&adapter->cmd_pending_q_lock, cmd_pending_q_flags); - if (list_empty(&adapter->cmd_pending_q)) { - spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, - cmd_pending_q_flags); - spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags); - return 0; - } - cmd_node = list_first_entry(&adapter->cmd_pending_q, - struct cmd_ctrl_node, list); - spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, - cmd_pending_q_flags); - - host_cmd = (struct host_cmd_ds_command *) (cmd_node->cmd_skb->data); - priv = cmd_node->priv; - - if (adapter->ps_state != PS_STATE_AWAKE) { - mwifiex_dbg(adapter, ERROR, - "%s: cannot send cmd in sleep state,\t" - "this should not happen\n", __func__); - spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags); - return ret; - } - - spin_lock_irqsave(&adapter->cmd_pending_q_lock, cmd_pending_q_flags); - list_del(&cmd_node->list); - spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, - cmd_pending_q_flags); - - spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags); - ret = mwifiex_dnld_cmd_to_fw(priv, cmd_node); - priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); - /* Any command sent to the firmware when host is in sleep - * mode should de-configure host sleep. We should skip the - * host sleep configuration command itself though - */ - if (priv && (host_cmd->command != - cpu_to_le16(HostCmd_CMD_802_11_HS_CFG_ENH))) { - if (adapter->hs_activated) { - adapter->is_hs_configured = false; - mwifiex_hs_activated_event(priv, false); - } - } - - return ret; -} - -/* - * This function handles the command response. - * - * After processing, the function cleans the command node and puts - * it back to the command free queue. - */ -int mwifiex_process_cmdresp(struct mwifiex_adapter *adapter) -{ - struct host_cmd_ds_command *resp; - struct mwifiex_private *priv = - mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); - int ret = 0; - uint16_t orig_cmdresp_no; - uint16_t cmdresp_no; - uint16_t cmdresp_result; - unsigned long flags; - - /* Now we got response from FW, cancel the command timer */ - del_timer_sync(&adapter->cmd_timer); - - if (!adapter->curr_cmd || !adapter->curr_cmd->resp_skb) { - resp = (struct host_cmd_ds_command *) adapter->upld_buf; - mwifiex_dbg(adapter, ERROR, - "CMD_RESP: NULL curr_cmd, %#x\n", - le16_to_cpu(resp->command)); - return -1; - } - - adapter->is_cmd_timedout = 0; - - resp = (struct host_cmd_ds_command *) adapter->curr_cmd->resp_skb->data; - if (adapter->curr_cmd->cmd_flag & CMD_F_HOSTCMD) { - /* Copy original response back to response buffer */ - struct mwifiex_ds_misc_cmd *hostcmd; - uint16_t size = le16_to_cpu(resp->size); - mwifiex_dbg(adapter, INFO, - "info: host cmd resp size = %d\n", size); - size = min_t(u16, size, MWIFIEX_SIZE_OF_CMD_BUFFER); - if (adapter->curr_cmd->data_buf) { - hostcmd = adapter->curr_cmd->data_buf; - hostcmd->len = size; - memcpy(hostcmd->cmd, resp, size); - } - } - orig_cmdresp_no = le16_to_cpu(resp->command); - - /* Get BSS number and corresponding priv */ - priv = mwifiex_get_priv_by_id(adapter, - HostCmd_GET_BSS_NO(le16_to_cpu(resp->seq_num)), - HostCmd_GET_BSS_TYPE(le16_to_cpu(resp->seq_num))); - if (!priv) - priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); - /* Clear RET_BIT from HostCmd */ - resp->command = cpu_to_le16(orig_cmdresp_no & HostCmd_CMD_ID_MASK); - - cmdresp_no = le16_to_cpu(resp->command); - cmdresp_result = le16_to_cpu(resp->result); - - /* Save the last command response to debug log */ - adapter->dbg.last_cmd_resp_index = - (adapter->dbg.last_cmd_resp_index + 1) % DBG_CMD_NUM; - adapter->dbg.last_cmd_resp_id[adapter->dbg.last_cmd_resp_index] = - orig_cmdresp_no; - - mwifiex_dbg(adapter, CMD, - "cmd: CMD_RESP: 0x%x, result %d, len %d, seqno 0x%x\n", - orig_cmdresp_no, cmdresp_result, - le16_to_cpu(resp->size), le16_to_cpu(resp->seq_num)); - mwifiex_dbg_dump(adapter, CMD_D, "CMD_RESP buffer:", resp, - le16_to_cpu(resp->size)); - - if (!(orig_cmdresp_no & HostCmd_RET_BIT)) { - mwifiex_dbg(adapter, ERROR, "CMD_RESP: invalid cmd resp\n"); - if (adapter->curr_cmd->wait_q_enabled) - adapter->cmd_wait_q.status = -1; - - mwifiex_recycle_cmd_node(adapter, adapter->curr_cmd); - spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags); - adapter->curr_cmd = NULL; - spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); - return -1; - } - - if (adapter->curr_cmd->cmd_flag & CMD_F_HOSTCMD) { - adapter->curr_cmd->cmd_flag &= ~CMD_F_HOSTCMD; - if ((cmdresp_result == HostCmd_RESULT_OK) && - (cmdresp_no == HostCmd_CMD_802_11_HS_CFG_ENH)) - ret = mwifiex_ret_802_11_hs_cfg(priv, resp); - } else { - /* handle response */ - ret = mwifiex_process_sta_cmdresp(priv, cmdresp_no, resp); - } - - /* Check init command response */ - if (adapter->hw_status == MWIFIEX_HW_STATUS_INITIALIZING) { - if (ret) { - mwifiex_dbg(adapter, ERROR, - "%s: cmd %#x failed during\t" - "initialization\n", __func__, cmdresp_no); - mwifiex_init_fw_complete(adapter); - return -1; - } else if (adapter->last_init_cmd == cmdresp_no) - adapter->hw_status = MWIFIEX_HW_STATUS_INIT_DONE; - } - - if (adapter->curr_cmd) { - if (adapter->curr_cmd->wait_q_enabled) - adapter->cmd_wait_q.status = ret; - - mwifiex_recycle_cmd_node(adapter, adapter->curr_cmd); - - spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags); - adapter->curr_cmd = NULL; - spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); - } - - return ret; -} - -/* - * This function handles the timeout of command sending. - * - * It will re-send the same command again. - */ -void -mwifiex_cmd_timeout_func(unsigned long function_context) -{ - struct mwifiex_adapter *adapter = - (struct mwifiex_adapter *) function_context; - struct cmd_ctrl_node *cmd_node; - - adapter->is_cmd_timedout = 1; - if (!adapter->curr_cmd) { - mwifiex_dbg(adapter, ERROR, - "cmd: empty curr_cmd\n"); - return; - } - cmd_node = adapter->curr_cmd; - if (cmd_node) { - adapter->dbg.timeout_cmd_id = - adapter->dbg.last_cmd_id[adapter->dbg.last_cmd_index]; - adapter->dbg.timeout_cmd_act = - adapter->dbg.last_cmd_act[adapter->dbg.last_cmd_index]; - mwifiex_dbg(adapter, MSG, - "%s: Timeout cmd id = %#x, act = %#x\n", __func__, - adapter->dbg.timeout_cmd_id, - adapter->dbg.timeout_cmd_act); - - mwifiex_dbg(adapter, MSG, - "num_data_h2c_failure = %d\n", - adapter->dbg.num_tx_host_to_card_failure); - mwifiex_dbg(adapter, MSG, - "num_cmd_h2c_failure = %d\n", - adapter->dbg.num_cmd_host_to_card_failure); - - mwifiex_dbg(adapter, MSG, - "is_cmd_timedout = %d\n", - adapter->is_cmd_timedout); - mwifiex_dbg(adapter, MSG, - "num_tx_timeout = %d\n", - adapter->dbg.num_tx_timeout); - - mwifiex_dbg(adapter, MSG, - "last_cmd_index = %d\n", - adapter->dbg.last_cmd_index); - mwifiex_dbg(adapter, MSG, - "last_cmd_id: %*ph\n", - (int)sizeof(adapter->dbg.last_cmd_id), - adapter->dbg.last_cmd_id); - mwifiex_dbg(adapter, MSG, - "last_cmd_act: %*ph\n", - (int)sizeof(adapter->dbg.last_cmd_act), - adapter->dbg.last_cmd_act); - - mwifiex_dbg(adapter, MSG, - "last_cmd_resp_index = %d\n", - adapter->dbg.last_cmd_resp_index); - mwifiex_dbg(adapter, MSG, - "last_cmd_resp_id: %*ph\n", - (int)sizeof(adapter->dbg.last_cmd_resp_id), - adapter->dbg.last_cmd_resp_id); - - mwifiex_dbg(adapter, MSG, - "last_event_index = %d\n", - adapter->dbg.last_event_index); - mwifiex_dbg(adapter, MSG, - "last_event: %*ph\n", - (int)sizeof(adapter->dbg.last_event), - adapter->dbg.last_event); - - mwifiex_dbg(adapter, MSG, - "data_sent=%d cmd_sent=%d\n", - adapter->data_sent, adapter->cmd_sent); - - mwifiex_dbg(adapter, MSG, - "ps_mode=%d ps_state=%d\n", - adapter->ps_mode, adapter->ps_state); - - if (cmd_node->wait_q_enabled) { - adapter->cmd_wait_q.status = -ETIMEDOUT; - mwifiex_cancel_pending_ioctl(adapter); - } - } - if (adapter->hw_status == MWIFIEX_HW_STATUS_INITIALIZING) { - mwifiex_init_fw_complete(adapter); - return; - } - - if (adapter->if_ops.device_dump) - adapter->if_ops.device_dump(adapter); - - if (adapter->if_ops.card_reset) - adapter->if_ops.card_reset(adapter); -} - -/* - * This function cancels all the pending commands. - * - * The current command, all commands in command pending queue and all scan - * commands in scan pending queue are cancelled. All the completion callbacks - * are called with failure status to ensure cleanup. - */ -void -mwifiex_cancel_all_pending_cmd(struct mwifiex_adapter *adapter) -{ - struct cmd_ctrl_node *cmd_node = NULL, *tmp_node; - unsigned long flags, cmd_flags; - struct mwifiex_private *priv; - int i; - - spin_lock_irqsave(&adapter->mwifiex_cmd_lock, cmd_flags); - /* Cancel current cmd */ - if ((adapter->curr_cmd) && (adapter->curr_cmd->wait_q_enabled)) { - adapter->curr_cmd->wait_q_enabled = false; - adapter->cmd_wait_q.status = -1; - mwifiex_complete_cmd(adapter, adapter->curr_cmd); - /* no recycle probably wait for response */ - } - /* Cancel all pending command */ - spin_lock_irqsave(&adapter->cmd_pending_q_lock, flags); - list_for_each_entry_safe(cmd_node, tmp_node, - &adapter->cmd_pending_q, list) { - list_del(&cmd_node->list); - spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, flags); - - if (cmd_node->wait_q_enabled) - adapter->cmd_wait_q.status = -1; - mwifiex_recycle_cmd_node(adapter, cmd_node); - spin_lock_irqsave(&adapter->cmd_pending_q_lock, flags); - } - spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, flags); - spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags); - - /* Cancel all pending scan command */ - spin_lock_irqsave(&adapter->scan_pending_q_lock, flags); - list_for_each_entry_safe(cmd_node, tmp_node, - &adapter->scan_pending_q, list) { - list_del(&cmd_node->list); - - cmd_node->wait_q_enabled = false; - mwifiex_insert_cmd_to_free_q(adapter, cmd_node); - } - spin_unlock_irqrestore(&adapter->scan_pending_q_lock, flags); - - if (adapter->scan_processing) { - spin_lock_irqsave(&adapter->mwifiex_cmd_lock, cmd_flags); - adapter->scan_processing = false; - spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags); - for (i = 0; i < adapter->priv_num; i++) { - priv = adapter->priv[i]; - if (!priv) - continue; - if (priv->scan_request) { - mwifiex_dbg(adapter, WARN, "info: aborting scan\n"); - cfg80211_scan_done(priv->scan_request, 1); - priv->scan_request = NULL; - } - } - } -} - -/* - * This function cancels all pending commands that matches with - * the given IOCTL request. - * - * Both the current command buffer and the pending command queue are - * searched for matching IOCTL request. The completion callback of - * the matched command is called with failure status to ensure cleanup. - * In case of scan commands, all pending commands in scan pending queue - * are cancelled. - */ -void -mwifiex_cancel_pending_ioctl(struct mwifiex_adapter *adapter) -{ - struct cmd_ctrl_node *cmd_node = NULL, *tmp_node = NULL; - unsigned long cmd_flags; - unsigned long scan_pending_q_flags; - struct mwifiex_private *priv; - int i; - - if ((adapter->curr_cmd) && - (adapter->curr_cmd->wait_q_enabled)) { - spin_lock_irqsave(&adapter->mwifiex_cmd_lock, cmd_flags); - cmd_node = adapter->curr_cmd; - /* setting curr_cmd to NULL is quite dangerous, because - * mwifiex_process_cmdresp checks curr_cmd to be != NULL - * at the beginning then relies on it and dereferences - * it at will - * this probably works since mwifiex_cmd_timeout_func - * is the only caller of this function and responses - * at that point - */ - adapter->curr_cmd = NULL; - spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags); - - mwifiex_recycle_cmd_node(adapter, cmd_node); - } - - /* Cancel all pending scan command */ - spin_lock_irqsave(&adapter->scan_pending_q_lock, - scan_pending_q_flags); - list_for_each_entry_safe(cmd_node, tmp_node, - &adapter->scan_pending_q, list) { - list_del(&cmd_node->list); - cmd_node->wait_q_enabled = false; - mwifiex_insert_cmd_to_free_q(adapter, cmd_node); - } - spin_unlock_irqrestore(&adapter->scan_pending_q_lock, - scan_pending_q_flags); - - if (adapter->scan_processing) { - spin_lock_irqsave(&adapter->mwifiex_cmd_lock, cmd_flags); - adapter->scan_processing = false; - spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags); - for (i = 0; i < adapter->priv_num; i++) { - priv = adapter->priv[i]; - if (!priv) - continue; - if (priv->scan_request) { - mwifiex_dbg(adapter, WARN, "info: aborting scan\n"); - cfg80211_scan_done(priv->scan_request, 1); - priv->scan_request = NULL; - } - } - } -} - -/* - * This function sends the sleep confirm command to firmware, if - * possible. - * - * The sleep confirm command cannot be issued if command response, - * data response or event response is awaiting handling, or if we - * are in the middle of sending a command, or expecting a command - * response. - */ -void -mwifiex_check_ps_cond(struct mwifiex_adapter *adapter) -{ - if (!adapter->cmd_sent && - !adapter->curr_cmd && !IS_CARD_RX_RCVD(adapter)) - mwifiex_dnld_sleep_confirm_cmd(adapter); - else - mwifiex_dbg(adapter, CMD, - "cmd: Delay Sleep Confirm (%s%s%s)\n", - (adapter->cmd_sent) ? "D" : "", - (adapter->curr_cmd) ? "C" : "", - (IS_CARD_RX_RCVD(adapter)) ? "R" : ""); -} - -/* - * This function sends a Host Sleep activated event to applications. - * - * This event is generated by the driver, with a blank event body. - */ -void -mwifiex_hs_activated_event(struct mwifiex_private *priv, u8 activated) -{ - if (activated) { - if (priv->adapter->is_hs_configured) { - priv->adapter->hs_activated = true; - mwifiex_update_rxreor_flags(priv->adapter, - RXREOR_FORCE_NO_DROP); - mwifiex_dbg(priv->adapter, EVENT, - "event: hs_activated\n"); - priv->adapter->hs_activate_wait_q_woken = true; - wake_up_interruptible( - &priv->adapter->hs_activate_wait_q); - } else { - mwifiex_dbg(priv->adapter, EVENT, - "event: HS not configured\n"); - } - } else { - mwifiex_dbg(priv->adapter, EVENT, - "event: hs_deactivated\n"); - priv->adapter->hs_activated = false; - } -} - -/* - * This function handles the command response of a Host Sleep configuration - * command. - * - * Handling includes changing the header fields into CPU format - * and setting the current host sleep activation status in driver. - * - * In case host sleep status change, the function generates an event to - * notify the applications. - */ -int mwifiex_ret_802_11_hs_cfg(struct mwifiex_private *priv, - struct host_cmd_ds_command *resp) -{ - struct mwifiex_adapter *adapter = priv->adapter; - struct host_cmd_ds_802_11_hs_cfg_enh *phs_cfg = - &resp->params.opt_hs_cfg; - uint32_t conditions = le32_to_cpu(phs_cfg->params.hs_config.conditions); - - if (phs_cfg->action == cpu_to_le16(HS_ACTIVATE) && - adapter->iface_type != MWIFIEX_USB) { - mwifiex_hs_activated_event(priv, true); - return 0; - } else { - mwifiex_dbg(adapter, CMD, - "cmd: CMD_RESP: HS_CFG cmd reply\t" - " result=%#x, conditions=0x%x gpio=0x%x gap=0x%x\n", - resp->result, conditions, - phs_cfg->params.hs_config.gpio, - phs_cfg->params.hs_config.gap); - } - if (conditions != HS_CFG_CANCEL) { - adapter->is_hs_configured = true; - if (adapter->iface_type == MWIFIEX_USB) - mwifiex_hs_activated_event(priv, true); - } else { - adapter->is_hs_configured = false; - if (adapter->hs_activated) - mwifiex_hs_activated_event(priv, false); - } - - return 0; -} - -/* - * This function wakes up the adapter and generates a Host Sleep - * cancel event on receiving the power up interrupt. - */ -void -mwifiex_process_hs_config(struct mwifiex_adapter *adapter) -{ - mwifiex_dbg(adapter, INFO, - "info: %s: auto cancelling host sleep\t" - "since there is interrupt from the firmware\n", - __func__); - - adapter->if_ops.wakeup(adapter); - adapter->hs_activated = false; - adapter->is_hs_configured = false; - adapter->is_suspended = false; - mwifiex_hs_activated_event(mwifiex_get_priv(adapter, - MWIFIEX_BSS_ROLE_ANY), - false); -} -EXPORT_SYMBOL_GPL(mwifiex_process_hs_config); - -/* - * This function handles the command response of a sleep confirm command. - * - * The function sets the card state to SLEEP if the response indicates success. - */ -void -mwifiex_process_sleep_confirm_resp(struct mwifiex_adapter *adapter, - u8 *pbuf, u32 upld_len) -{ - struct host_cmd_ds_command *cmd = (struct host_cmd_ds_command *) pbuf; - struct mwifiex_private *priv = - mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); - uint16_t result = le16_to_cpu(cmd->result); - uint16_t command = le16_to_cpu(cmd->command); - uint16_t seq_num = le16_to_cpu(cmd->seq_num); - - if (!upld_len) { - mwifiex_dbg(adapter, ERROR, - "%s: cmd size is 0\n", __func__); - return; - } - - mwifiex_dbg(adapter, CMD, - "cmd: CMD_RESP: 0x%x, result %d, len %d, seqno 0x%x\n", - command, result, le16_to_cpu(cmd->size), seq_num); - - /* Get BSS number and corresponding priv */ - priv = mwifiex_get_priv_by_id(adapter, HostCmd_GET_BSS_NO(seq_num), - HostCmd_GET_BSS_TYPE(seq_num)); - if (!priv) - priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); - - /* Update sequence number */ - seq_num = HostCmd_GET_SEQ_NO(seq_num); - /* Clear RET_BIT from HostCmd */ - command &= HostCmd_CMD_ID_MASK; - - if (command != HostCmd_CMD_802_11_PS_MODE_ENH) { - mwifiex_dbg(adapter, ERROR, - "%s: rcvd unexpected resp for cmd %#x, result = %x\n", - __func__, command, result); - return; - } - - if (result) { - mwifiex_dbg(adapter, ERROR, - "%s: sleep confirm cmd failed\n", - __func__); - adapter->pm_wakeup_card_req = false; - adapter->ps_state = PS_STATE_AWAKE; - return; - } - adapter->pm_wakeup_card_req = true; - if (adapter->is_hs_configured) - mwifiex_hs_activated_event(mwifiex_get_priv - (adapter, MWIFIEX_BSS_ROLE_ANY), - true); - adapter->ps_state = PS_STATE_SLEEP; - cmd->command = cpu_to_le16(command); - cmd->seq_num = cpu_to_le16(seq_num); -} -EXPORT_SYMBOL_GPL(mwifiex_process_sleep_confirm_resp); - -/* - * This function prepares an enhanced power mode command. - * - * This function can be used to disable power save or to configure - * power save with auto PS or STA PS or auto deep sleep. - * - * Preparation includes - - * - Setting command ID, action and proper size - * - Setting Power Save bitmap, PS parameters TLV, PS mode TLV, - * auto deep sleep TLV (as required) - * - Ensuring correct endian-ness - */ -int mwifiex_cmd_enh_power_mode(struct mwifiex_private *priv, - struct host_cmd_ds_command *cmd, - u16 cmd_action, uint16_t ps_bitmap, - struct mwifiex_ds_auto_ds *auto_ds) -{ - struct host_cmd_ds_802_11_ps_mode_enh *psmode_enh = - &cmd->params.psmode_enh; - u8 *tlv; - u16 cmd_size = 0; - - cmd->command = cpu_to_le16(HostCmd_CMD_802_11_PS_MODE_ENH); - if (cmd_action == DIS_AUTO_PS) { - psmode_enh->action = cpu_to_le16(DIS_AUTO_PS); - psmode_enh->params.ps_bitmap = cpu_to_le16(ps_bitmap); - cmd->size = cpu_to_le16(S_DS_GEN + sizeof(psmode_enh->action) + - sizeof(psmode_enh->params.ps_bitmap)); - } else if (cmd_action == GET_PS) { - psmode_enh->action = cpu_to_le16(GET_PS); - psmode_enh->params.ps_bitmap = cpu_to_le16(ps_bitmap); - cmd->size = cpu_to_le16(S_DS_GEN + sizeof(psmode_enh->action) + - sizeof(psmode_enh->params.ps_bitmap)); - } else if (cmd_action == EN_AUTO_PS) { - psmode_enh->action = cpu_to_le16(EN_AUTO_PS); - psmode_enh->params.ps_bitmap = cpu_to_le16(ps_bitmap); - cmd_size = S_DS_GEN + sizeof(psmode_enh->action) + - sizeof(psmode_enh->params.ps_bitmap); - tlv = (u8 *) cmd + cmd_size; - if (ps_bitmap & BITMAP_STA_PS) { - struct mwifiex_adapter *adapter = priv->adapter; - struct mwifiex_ie_types_ps_param *ps_tlv = - (struct mwifiex_ie_types_ps_param *) tlv; - struct mwifiex_ps_param *ps_mode = &ps_tlv->param; - ps_tlv->header.type = cpu_to_le16(TLV_TYPE_PS_PARAM); - ps_tlv->header.len = cpu_to_le16(sizeof(*ps_tlv) - - sizeof(struct mwifiex_ie_types_header)); - cmd_size += sizeof(*ps_tlv); - tlv += sizeof(*ps_tlv); - mwifiex_dbg(priv->adapter, CMD, - "cmd: PS Command: Enter PS\n"); - ps_mode->null_pkt_interval = - cpu_to_le16(adapter->null_pkt_interval); - ps_mode->multiple_dtims = - cpu_to_le16(adapter->multiple_dtim); - ps_mode->bcn_miss_timeout = - cpu_to_le16(adapter->bcn_miss_time_out); - ps_mode->local_listen_interval = - cpu_to_le16(adapter->local_listen_interval); - ps_mode->adhoc_wake_period = - cpu_to_le16(adapter->adhoc_awake_period); - ps_mode->delay_to_ps = - cpu_to_le16(adapter->delay_to_ps); - ps_mode->mode = cpu_to_le16(adapter->enhanced_ps_mode); - - } - if (ps_bitmap & BITMAP_AUTO_DS) { - struct mwifiex_ie_types_auto_ds_param *auto_ds_tlv = - (struct mwifiex_ie_types_auto_ds_param *) tlv; - u16 idletime = 0; - - auto_ds_tlv->header.type = - cpu_to_le16(TLV_TYPE_AUTO_DS_PARAM); - auto_ds_tlv->header.len = - cpu_to_le16(sizeof(*auto_ds_tlv) - - sizeof(struct mwifiex_ie_types_header)); - cmd_size += sizeof(*auto_ds_tlv); - tlv += sizeof(*auto_ds_tlv); - if (auto_ds) - idletime = auto_ds->idle_time; - mwifiex_dbg(priv->adapter, CMD, - "cmd: PS Command: Enter Auto Deep Sleep\n"); - auto_ds_tlv->deep_sleep_timeout = cpu_to_le16(idletime); - } - cmd->size = cpu_to_le16(cmd_size); - } - return 0; -} - -/* - * This function handles the command response of an enhanced power mode - * command. - * - * Handling includes changing the header fields into CPU format - * and setting the current enhanced power mode in driver. - */ -int mwifiex_ret_enh_power_mode(struct mwifiex_private *priv, - struct host_cmd_ds_command *resp, - struct mwifiex_ds_pm_cfg *pm_cfg) -{ - struct mwifiex_adapter *adapter = priv->adapter; - struct host_cmd_ds_802_11_ps_mode_enh *ps_mode = - &resp->params.psmode_enh; - uint16_t action = le16_to_cpu(ps_mode->action); - uint16_t ps_bitmap = le16_to_cpu(ps_mode->params.ps_bitmap); - uint16_t auto_ps_bitmap = - le16_to_cpu(ps_mode->params.ps_bitmap); - - mwifiex_dbg(adapter, INFO, - "info: %s: PS_MODE cmd reply result=%#x action=%#X\n", - __func__, resp->result, action); - if (action == EN_AUTO_PS) { - if (auto_ps_bitmap & BITMAP_AUTO_DS) { - mwifiex_dbg(adapter, CMD, - "cmd: Enabled auto deep sleep\n"); - priv->adapter->is_deep_sleep = true; - } - if (auto_ps_bitmap & BITMAP_STA_PS) { - mwifiex_dbg(adapter, CMD, - "cmd: Enabled STA power save\n"); - if (adapter->sleep_period.period) - mwifiex_dbg(adapter, CMD, - "cmd: set to uapsd/pps mode\n"); - } - } else if (action == DIS_AUTO_PS) { - if (ps_bitmap & BITMAP_AUTO_DS) { - priv->adapter->is_deep_sleep = false; - mwifiex_dbg(adapter, CMD, - "cmd: Disabled auto deep sleep\n"); - } - if (ps_bitmap & BITMAP_STA_PS) { - mwifiex_dbg(adapter, CMD, - "cmd: Disabled STA power save\n"); - if (adapter->sleep_period.period) { - adapter->delay_null_pkt = false; - adapter->tx_lock_flag = false; - adapter->pps_uapsd_mode = false; - } - } - } else if (action == GET_PS) { - if (ps_bitmap & BITMAP_STA_PS) - adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_PSP; - else - adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_CAM; - - mwifiex_dbg(adapter, CMD, - "cmd: ps_bitmap=%#x\n", ps_bitmap); - - if (pm_cfg) { - /* This section is for get power save mode */ - if (ps_bitmap & BITMAP_STA_PS) - pm_cfg->param.ps_mode = 1; - else - pm_cfg->param.ps_mode = 0; - } - } - return 0; -} - -/* - * This function prepares command to get hardware specifications. - * - * Preparation includes - - * - Setting command ID, action and proper size - * - Setting permanent address parameter - * - Ensuring correct endian-ness - */ -int mwifiex_cmd_get_hw_spec(struct mwifiex_private *priv, - struct host_cmd_ds_command *cmd) -{ - struct host_cmd_ds_get_hw_spec *hw_spec = &cmd->params.hw_spec; - - cmd->command = cpu_to_le16(HostCmd_CMD_GET_HW_SPEC); - cmd->size = - cpu_to_le16(sizeof(struct host_cmd_ds_get_hw_spec) + S_DS_GEN); - memcpy(hw_spec->permanent_addr, priv->curr_addr, ETH_ALEN); - - return 0; -} - -/* - * This function handles the command response of get hardware - * specifications. - * - * Handling includes changing the header fields into CPU format - * and saving/updating the following parameters in driver - - * - Firmware capability information - * - Firmware band settings - * - Ad-hoc start band and channel - * - Ad-hoc 11n activation status - * - Firmware release number - * - Number of antennas - * - Hardware address - * - Hardware interface version - * - Firmware version - * - Region code - * - 11n capabilities - * - MCS support fields - * - MP end port - */ -int mwifiex_ret_get_hw_spec(struct mwifiex_private *priv, - struct host_cmd_ds_command *resp) -{ - struct host_cmd_ds_get_hw_spec *hw_spec = &resp->params.hw_spec; - struct mwifiex_adapter *adapter = priv->adapter; - struct mwifiex_ie_types_header *tlv; - struct hw_spec_api_rev *api_rev; - u16 resp_size, api_id; - int i, left_len, parsed_len = 0; - - adapter->fw_cap_info = le32_to_cpu(hw_spec->fw_cap_info); - - if (IS_SUPPORT_MULTI_BANDS(adapter)) - adapter->fw_bands = (u8) GET_FW_DEFAULT_BANDS(adapter); - else - adapter->fw_bands = BAND_B; - - adapter->config_bands = adapter->fw_bands; - - if (adapter->fw_bands & BAND_A) { - if (adapter->fw_bands & BAND_GN) { - adapter->config_bands |= BAND_AN; - adapter->fw_bands |= BAND_AN; - } - if (adapter->fw_bands & BAND_AN) { - adapter->adhoc_start_band = BAND_A | BAND_AN; - adapter->adhoc_11n_enabled = true; - } else { - adapter->adhoc_start_band = BAND_A; - } - priv->adhoc_channel = DEFAULT_AD_HOC_CHANNEL_A; - } else if (adapter->fw_bands & BAND_GN) { - adapter->adhoc_start_band = BAND_G | BAND_B | BAND_GN; - priv->adhoc_channel = DEFAULT_AD_HOC_CHANNEL; - adapter->adhoc_11n_enabled = true; - } else if (adapter->fw_bands & BAND_G) { - adapter->adhoc_start_band = BAND_G | BAND_B; - priv->adhoc_channel = DEFAULT_AD_HOC_CHANNEL; - } else if (adapter->fw_bands & BAND_B) { - adapter->adhoc_start_band = BAND_B; - priv->adhoc_channel = DEFAULT_AD_HOC_CHANNEL; - } - - adapter->fw_release_number = le32_to_cpu(hw_spec->fw_release_number); - adapter->fw_api_ver = (adapter->fw_release_number >> 16) & 0xff; - adapter->number_of_antenna = le16_to_cpu(hw_spec->number_of_antenna); - - if (le32_to_cpu(hw_spec->dot_11ac_dev_cap)) { - adapter->is_hw_11ac_capable = true; - - /* Copy 11AC cap */ - adapter->hw_dot_11ac_dev_cap = - le32_to_cpu(hw_spec->dot_11ac_dev_cap); - adapter->usr_dot_11ac_dev_cap_bg = adapter->hw_dot_11ac_dev_cap - & ~MWIFIEX_DEF_11AC_CAP_BF_RESET_MASK; - adapter->usr_dot_11ac_dev_cap_a = adapter->hw_dot_11ac_dev_cap - & ~MWIFIEX_DEF_11AC_CAP_BF_RESET_MASK; - - /* Copy 11AC mcs */ - adapter->hw_dot_11ac_mcs_support = - le32_to_cpu(hw_spec->dot_11ac_mcs_support); - adapter->usr_dot_11ac_mcs_support = - adapter->hw_dot_11ac_mcs_support; - } else { - adapter->is_hw_11ac_capable = false; - } - - resp_size = le16_to_cpu(resp->size) - S_DS_GEN; - if (resp_size > sizeof(struct host_cmd_ds_get_hw_spec)) { - /* we have variable HW SPEC information */ - left_len = resp_size - sizeof(struct host_cmd_ds_get_hw_spec); - while (left_len > sizeof(struct mwifiex_ie_types_header)) { - tlv = (void *)&hw_spec->tlvs + parsed_len; - switch (le16_to_cpu(tlv->type)) { - case TLV_TYPE_API_REV: - api_rev = (struct hw_spec_api_rev *)tlv; - api_id = le16_to_cpu(api_rev->api_id); - switch (api_id) { - case KEY_API_VER_ID: - adapter->key_api_major_ver = - api_rev->major_ver; - adapter->key_api_minor_ver = - api_rev->minor_ver; - mwifiex_dbg(adapter, INFO, - "key_api v%d.%d\n", - adapter->key_api_major_ver, - adapter->key_api_minor_ver); - break; - case FW_API_VER_ID: - adapter->fw_api_ver = - api_rev->major_ver; - mwifiex_dbg(adapter, INFO, - "Firmware api version %d\n", - adapter->fw_api_ver); - break; - default: - mwifiex_dbg(adapter, FATAL, - "Unknown api_id: %d\n", - api_id); - break; - } - break; - default: - mwifiex_dbg(adapter, FATAL, - "Unknown GET_HW_SPEC TLV type: %#x\n", - le16_to_cpu(tlv->type)); - break; - } - parsed_len += le16_to_cpu(tlv->len) + - sizeof(struct mwifiex_ie_types_header); - left_len -= le16_to_cpu(tlv->len) + - sizeof(struct mwifiex_ie_types_header); - } - } - - mwifiex_dbg(adapter, INFO, - "info: GET_HW_SPEC: fw_release_number- %#x\n", - adapter->fw_release_number); - mwifiex_dbg(adapter, INFO, - "info: GET_HW_SPEC: permanent addr: %pM\n", - hw_spec->permanent_addr); - mwifiex_dbg(adapter, INFO, - "info: GET_HW_SPEC: hw_if_version=%#x version=%#x\n", - le16_to_cpu(hw_spec->hw_if_version), - le16_to_cpu(hw_spec->version)); - - ether_addr_copy(priv->adapter->perm_addr, hw_spec->permanent_addr); - adapter->region_code = le16_to_cpu(hw_spec->region_code); - - for (i = 0; i < MWIFIEX_MAX_REGION_CODE; i++) - /* Use the region code to search for the index */ - if (adapter->region_code == region_code_index[i]) - break; - - /* If it's unidentified region code, use the default (USA) */ - if (i >= MWIFIEX_MAX_REGION_CODE) { - adapter->region_code = 0x10; - mwifiex_dbg(adapter, WARN, - "cmd: unknown region code, use default (USA)\n"); - } - - adapter->hw_dot_11n_dev_cap = le32_to_cpu(hw_spec->dot_11n_dev_cap); - adapter->hw_dev_mcs_support = hw_spec->dev_mcs_support; - adapter->user_dev_mcs_support = adapter->hw_dev_mcs_support; - - if (adapter->if_ops.update_mp_end_port) - adapter->if_ops.update_mp_end_port(adapter, - le16_to_cpu(hw_spec->mp_end_port)); - - if (adapter->fw_api_ver == MWIFIEX_FW_V15) - adapter->scan_chan_gap_enabled = true; - - return 0; -} |