qcacmn: Restructure and add new files in wmi layer
Add new directory structure and new files for
tlv and non-tlv implementation.
wmi layer shall not use global context of other layer,
remove global context and unused methods.
CRs-Fixed: 978547
Change-Id: I230f59052d9db8e1660cc087b09e03641227f490
diff --git a/wmi_unified.c b/wmi_unified.c
new file mode 100644
index 0000000..58c157d
--- /dev/null
+++ b/wmi_unified.c
@@ -0,0 +1,1503 @@
+/*
+ * Copyright (c) 2015-2016 The Linux Foundation. All rights reserved.
+ *
+ * Previously licensed under the ISC license by Qualcomm Atheros, Inc.
+ *
+ *
+ * Permission to use, copy, modify, and/or distribute this software for
+ * any purpose with or without fee is hereby granted, provided that the
+ * above copyright notice and this permission notice appear in all
+ * copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
+ * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
+ * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * This file was originally distributed by Qualcomm Atheros, Inc.
+ * under proprietary terms before Copyright ownership was assigned
+ * to the Linux Foundation.
+ */
+
+/*
+ * Host WMI unified implementation
+ */
+#include "athdefs.h"
+#include "osapi_linux.h"
+#include "a_types.h"
+#include "a_debug.h"
+#include "ol_if_athvar.h"
+#include "ol_defines.h"
+#include "ol_fw.h"
+#include "htc_api.h"
+#include "htc_api.h"
+#include "dbglog_host.h"
+#include "wmi.h"
+#include "wmi_unified_priv.h"
+#include "wma_api.h"
+#include "wma.h"
+#include "mac_trace.h"
+
+#define WMI_MIN_HEAD_ROOM 64
+
+#ifdef WMI_INTERFACE_EVENT_LOGGING
+/* WMI commands */
+uint32_t g_wmi_command_buf_idx = 0;
+struct wmi_command_debug wmi_command_log_buffer[WMI_EVENT_DEBUG_MAX_ENTRY];
+
+/* WMI commands TX completed */
+uint32_t g_wmi_command_tx_cmp_buf_idx = 0;
+struct wmi_command_debug
+ wmi_command_tx_cmp_log_buffer[WMI_EVENT_DEBUG_MAX_ENTRY];
+
+/* WMI events when processed */
+uint32_t g_wmi_event_buf_idx = 0;
+struct wmi_event_debug wmi_event_log_buffer[WMI_EVENT_DEBUG_MAX_ENTRY];
+
+/* WMI events when queued */
+uint32_t g_wmi_rx_event_buf_idx = 0;
+struct wmi_event_debug wmi_rx_event_log_buffer[WMI_EVENT_DEBUG_MAX_ENTRY];
+
+#define WMI_COMMAND_RECORD(a, b) { \
+ if (WMI_EVENT_DEBUG_MAX_ENTRY <= g_wmi_command_buf_idx) \
+ g_wmi_command_buf_idx = 0; \
+ wmi_command_log_buffer[g_wmi_command_buf_idx].command = a; \
+ cdf_mem_copy(wmi_command_log_buffer[g_wmi_command_buf_idx].data, b, 16); \
+ wmi_command_log_buffer[g_wmi_command_buf_idx].time = \
+ cdf_get_log_timestamp(); \
+ g_wmi_command_buf_idx++; \
+}
+
+#define WMI_COMMAND_TX_CMP_RECORD(a, b) { \
+ if (WMI_EVENT_DEBUG_MAX_ENTRY <= g_wmi_command_tx_cmp_buf_idx) \
+ g_wmi_command_tx_cmp_buf_idx = 0; \
+ wmi_command_tx_cmp_log_buffer[g_wmi_command_tx_cmp_buf_idx].command = a; \
+ cdf_mem_copy(wmi_command_tx_cmp_log_buffer \
+ [g_wmi_command_tx_cmp_buf_idx].data, b, 16); \
+ wmi_command_tx_cmp_log_buffer[g_wmi_command_tx_cmp_buf_idx].time = \
+ cdf_get_log_timestamp(); \
+ g_wmi_command_tx_cmp_buf_idx++; \
+}
+
+#define WMI_EVENT_RECORD(a, b) { \
+ if (WMI_EVENT_DEBUG_MAX_ENTRY <= g_wmi_event_buf_idx) \
+ g_wmi_event_buf_idx = 0; \
+ wmi_event_log_buffer[g_wmi_event_buf_idx].event = a; \
+ cdf_mem_copy(wmi_event_log_buffer[g_wmi_event_buf_idx].data, b, 16); \
+ wmi_event_log_buffer[g_wmi_event_buf_idx].time = \
+ cdf_get_log_timestamp(); \
+ g_wmi_event_buf_idx++; \
+}
+
+#define WMI_RX_EVENT_RECORD(a, b) { \
+ if (WMI_EVENT_DEBUG_MAX_ENTRY <= g_wmi_rx_event_buf_idx) \
+ g_wmi_rx_event_buf_idx = 0; \
+ wmi_rx_event_log_buffer[g_wmi_rx_event_buf_idx].event = a; \
+ cdf_mem_copy(wmi_rx_event_log_buffer[g_wmi_rx_event_buf_idx].data, b, 16); \
+ wmi_rx_event_log_buffer[g_wmi_rx_event_buf_idx].time = \
+ cdf_get_log_timestamp(); \
+ g_wmi_rx_event_buf_idx++; \
+}
+/* wmi_mgmt commands */
+#define WMI_MGMT_EVENT_DEBUG_MAX_ENTRY (256)
+
+uint32_t g_wmi_mgmt_command_buf_idx = 0;
+struct
+wmi_command_debug wmi_mgmt_command_log_buffer[WMI_MGMT_EVENT_DEBUG_MAX_ENTRY];
+
+/* wmi_mgmt commands TX completed */
+uint32_t g_wmi_mgmt_command_tx_cmp_buf_idx = 0;
+struct wmi_command_debug
+wmi_mgmt_command_tx_cmp_log_buffer[WMI_MGMT_EVENT_DEBUG_MAX_ENTRY];
+
+/* wmi_mgmt events when processed */
+uint32_t g_wmi_mgmt_event_buf_idx = 0;
+struct wmi_event_debug
+wmi_mgmt_event_log_buffer[WMI_MGMT_EVENT_DEBUG_MAX_ENTRY];
+
+#define WMI_MGMT_COMMAND_RECORD(a, b) { \
+ if (WMI_MGMT_EVENT_DEBUG_MAX_ENTRY <= \
+ g_wmi_mgmt_command_buf_idx) \
+ g_wmi_mgmt_command_buf_idx = 0; \
+ wmi_mgmt_command_log_buffer[g_wmi_mgmt_command_buf_idx].command = a; \
+ cdf_mem_copy( \
+ wmi_mgmt_command_log_buffer[g_wmi_mgmt_command_buf_idx].data,\
+ b, 16); \
+ wmi_mgmt_command_log_buffer[g_wmi_mgmt_command_buf_idx].time = \
+ cdf_get_log_timestamp(); \
+ g_wmi_mgmt_command_buf_idx++; \
+}
+
+#define WMI_MGMT_COMMAND_TX_CMP_RECORD(a, b) { \
+ if (WMI_MGMT_EVENT_DEBUG_MAX_ENTRY <= \
+ g_wmi_mgmt_command_tx_cmp_buf_idx) \
+ g_wmi_mgmt_command_tx_cmp_buf_idx = 0; \
+ wmi_mgmt_command_tx_cmp_log_buffer[g_wmi_mgmt_command_tx_cmp_buf_idx].\
+ command = a; \
+ cdf_mem_copy(wmi_mgmt_command_tx_cmp_log_buffer \
+ [g_wmi_mgmt_command_tx_cmp_buf_idx].data, b, 16); \
+ wmi_mgmt_command_tx_cmp_log_buffer[g_wmi_mgmt_command_tx_cmp_buf_idx].\
+ time =\
+ cdf_get_log_timestamp(); \
+ g_wmi_mgmt_command_tx_cmp_buf_idx++; \
+}
+
+#define WMI_MGMT_EVENT_RECORD(a, b) { \
+ if (WMI_MGMT_EVENT_DEBUG_MAX_ENTRY <= g_wmi_mgmt_event_buf_idx) \
+ g_wmi_mgmt_event_buf_idx = 0; \
+ wmi_mgmt_event_log_buffer[g_wmi_mgmt_event_buf_idx].event = a; \
+ cdf_mem_copy(wmi_mgmt_event_log_buffer[g_wmi_mgmt_event_buf_idx].data,\
+ b, 16); \
+ wmi_mgmt_event_log_buffer[g_wmi_mgmt_event_buf_idx].time = \
+ cdf_get_log_timestamp(); \
+ g_wmi_mgmt_event_buf_idx++; \
+}
+
+#endif /*WMI_INTERFACE_EVENT_LOGGING */
+
+static void __wmi_control_rx(struct wmi_unified *wmi_handle, wmi_buf_t evt_buf);
+int wmi_get_host_credits(wmi_unified_t wmi_handle);
+/* WMI buffer APIs */
+
+#ifdef MEMORY_DEBUG
+wmi_buf_t
+wmi_buf_alloc_debug(wmi_unified_t wmi_handle, uint16_t len, uint8_t *file_name,
+ uint32_t line_num)
+{
+ wmi_buf_t wmi_buf;
+
+ if (roundup(len + WMI_MIN_HEAD_ROOM, 4) > wmi_handle->max_msg_len) {
+ CDF_ASSERT(0);
+ return NULL;
+ }
+
+ wmi_buf = cdf_nbuf_alloc_debug(NULL,
+ roundup(len + WMI_MIN_HEAD_ROOM, 4),
+ WMI_MIN_HEAD_ROOM, 4, false, file_name,
+ line_num);
+
+ if (!wmi_buf)
+ return NULL;
+
+ /* Clear the wmi buffer */
+ OS_MEMZERO(cdf_nbuf_data(wmi_buf), len);
+
+ /*
+ * Set the length of the buffer to match the allocation size.
+ */
+ cdf_nbuf_set_pktlen(wmi_buf, len);
+
+ return wmi_buf;
+}
+
+void wmi_buf_free(wmi_buf_t net_buf)
+{
+ cdf_nbuf_free(net_buf);
+}
+#else
+wmi_buf_t wmi_buf_alloc(wmi_unified_t wmi_handle, uint16_t len)
+{
+ wmi_buf_t wmi_buf;
+
+ if (roundup(len + WMI_MIN_HEAD_ROOM, 4) > wmi_handle->max_msg_len) {
+ CDF_ASSERT(0);
+ return NULL;
+ }
+
+ wmi_buf = cdf_nbuf_alloc(NULL, roundup(len + WMI_MIN_HEAD_ROOM, 4),
+ WMI_MIN_HEAD_ROOM, 4, false);
+ if (!wmi_buf)
+ return NULL;
+
+ /* Clear the wmi buffer */
+ OS_MEMZERO(cdf_nbuf_data(wmi_buf), len);
+
+ /*
+ * Set the length of the buffer to match the allocation size.
+ */
+ cdf_nbuf_set_pktlen(wmi_buf, len);
+ return wmi_buf;
+}
+
+void wmi_buf_free(wmi_buf_t net_buf)
+{
+ cdf_nbuf_free(net_buf);
+}
+#endif
+
+/**
+ * wmi_get_max_msg_len() - get maximum WMI message length
+ * @wmi_handle: WMI handle.
+ *
+ * This function returns the maximum WMI message length
+ *
+ * Return: maximum WMI message length
+ */
+uint16_t wmi_get_max_msg_len(wmi_unified_t wmi_handle)
+{
+ return wmi_handle->max_msg_len - WMI_MIN_HEAD_ROOM;
+}
+
+static uint8_t *get_wmi_cmd_string(WMI_CMD_ID wmi_command)
+{
+ switch (wmi_command) {
+ /* initialize the wlan sub system */
+ CASE_RETURN_STRING(WMI_INIT_CMDID);
+
+ /* Scan specific commands */
+
+ /* start scan request to FW */
+ CASE_RETURN_STRING(WMI_START_SCAN_CMDID);
+ /* stop scan request to FW */
+ CASE_RETURN_STRING(WMI_STOP_SCAN_CMDID);
+ /* full list of channels as defined by the regulatory
+ * that will be used by scanner */
+ CASE_RETURN_STRING(WMI_SCAN_CHAN_LIST_CMDID);
+ /* overwrite default priority table in scan scheduler */
+ CASE_RETURN_STRING(WMI_SCAN_SCH_PRIO_TBL_CMDID);
+ /* This command to adjust the priority and min.max_rest_time
+ * of an on ongoing scan request.
+ */
+ CASE_RETURN_STRING(WMI_SCAN_UPDATE_REQUEST_CMDID);
+
+ /* PDEV(physical device) specific commands */
+ /* set regulatorty ctl id used by FW to determine the exact
+ * ctl power limits */
+ CASE_RETURN_STRING(WMI_PDEV_SET_REGDOMAIN_CMDID);
+ /* set channel. mainly used for supporting monitor mode */
+ CASE_RETURN_STRING(WMI_PDEV_SET_CHANNEL_CMDID);
+ /* set pdev specific parameters */
+ CASE_RETURN_STRING(WMI_PDEV_SET_PARAM_CMDID);
+ /* enable packet log */
+ CASE_RETURN_STRING(WMI_PDEV_PKTLOG_ENABLE_CMDID);
+ /* disable packet log*/
+ CASE_RETURN_STRING(WMI_PDEV_PKTLOG_DISABLE_CMDID);
+ /* set wmm parameters */
+ CASE_RETURN_STRING(WMI_PDEV_SET_WMM_PARAMS_CMDID);
+ /* set HT cap ie that needs to be carried probe requests
+ * HT/VHT channels */
+ CASE_RETURN_STRING(WMI_PDEV_SET_HT_CAP_IE_CMDID);
+ /* set VHT cap ie that needs to be carried on probe
+ * requests on VHT channels */
+ CASE_RETURN_STRING(WMI_PDEV_SET_VHT_CAP_IE_CMDID);
+
+ /* Command to send the DSCP-to-TID map to the target */
+ CASE_RETURN_STRING(WMI_PDEV_SET_DSCP_TID_MAP_CMDID);
+ /* set quiet ie parameters. primarily used in AP mode */
+ CASE_RETURN_STRING(WMI_PDEV_SET_QUIET_MODE_CMDID);
+ /* Enable/Disable Green AP Power Save */
+ CASE_RETURN_STRING(WMI_PDEV_GREEN_AP_PS_ENABLE_CMDID);
+ /* get TPC config for the current operating channel */
+ CASE_RETURN_STRING(WMI_PDEV_GET_TPC_CONFIG_CMDID);
+
+ /* set the base MAC address for the physical device before
+ * a VDEV is created. For firmware that does not support
+ * this feature and this command, the pdev MAC address will
+ * not be changed. */
+ CASE_RETURN_STRING(WMI_PDEV_SET_BASE_MACADDR_CMDID);
+
+ /* eeprom content dump , the same to bdboard data */
+ CASE_RETURN_STRING(WMI_PDEV_DUMP_CMDID);
+
+ /* VDEV(virtual device) specific commands */
+ /* vdev create */
+ CASE_RETURN_STRING(WMI_VDEV_CREATE_CMDID);
+ /* vdev delete */
+ CASE_RETURN_STRING(WMI_VDEV_DELETE_CMDID);
+ /* vdev start request */
+ CASE_RETURN_STRING(WMI_VDEV_START_REQUEST_CMDID);
+ /* vdev restart request (RX only, NO TX, used for CAC period)*/
+ CASE_RETURN_STRING(WMI_VDEV_RESTART_REQUEST_CMDID);
+ /* vdev up request */
+ CASE_RETURN_STRING(WMI_VDEV_UP_CMDID);
+ /* vdev stop request */
+ CASE_RETURN_STRING(WMI_VDEV_STOP_CMDID);
+ /* vdev down request */
+ CASE_RETURN_STRING(WMI_VDEV_DOWN_CMDID);
+ /* set a vdev param */
+ CASE_RETURN_STRING(WMI_VDEV_SET_PARAM_CMDID);
+ /* set a key (used for setting per peer unicast
+ * and per vdev multicast) */
+ CASE_RETURN_STRING(WMI_VDEV_INSTALL_KEY_CMDID);
+
+ /* wnm sleep mode command */
+ CASE_RETURN_STRING(WMI_VDEV_WNM_SLEEPMODE_CMDID);
+ CASE_RETURN_STRING(WMI_VDEV_WMM_ADDTS_CMDID);
+ CASE_RETURN_STRING(WMI_VDEV_WMM_DELTS_CMDID);
+ CASE_RETURN_STRING(WMI_VDEV_SET_WMM_PARAMS_CMDID);
+ CASE_RETURN_STRING(WMI_VDEV_SET_GTX_PARAMS_CMDID);
+ CASE_RETURN_STRING(WMI_VDEV_IPSEC_NATKEEPALIVE_FILTER_CMDID);
+
+ CASE_RETURN_STRING(WMI_VDEV_PLMREQ_START_CMDID);
+ CASE_RETURN_STRING(WMI_VDEV_PLMREQ_STOP_CMDID);
+ CASE_RETURN_STRING(WMI_VDEV_TSF_TSTAMP_ACTION_CMDID);
+ CASE_RETURN_STRING(WMI_VDEV_SET_IE_CMDID);
+
+ /* peer specific commands */
+
+ /** create a peer */
+ CASE_RETURN_STRING(WMI_PEER_CREATE_CMDID);
+ /** delete a peer */
+ CASE_RETURN_STRING(WMI_PEER_DELETE_CMDID);
+ /** flush specific tid queues of a peer */
+ CASE_RETURN_STRING(WMI_PEER_FLUSH_TIDS_CMDID);
+ /** set a parameter of a peer */
+ CASE_RETURN_STRING(WMI_PEER_SET_PARAM_CMDID);
+ /* set peer to associated state. will cary all parameters
+ * determined during assocication time */
+ CASE_RETURN_STRING(WMI_PEER_ASSOC_CMDID);
+ /* add a wds (4 address ) entry. used only for testing
+ * WDS feature on AP products */
+ CASE_RETURN_STRING(WMI_PEER_ADD_WDS_ENTRY_CMDID);
+ /* remove wds (4 address ) entry. used only for testing WDS
+ * feature on AP products */
+ CASE_RETURN_STRING(WMI_PEER_REMOVE_WDS_ENTRY_CMDID);
+ /* set up mcast info for multicast to unicast conversion */
+ CASE_RETURN_STRING(WMI_PEER_MCAST_GROUP_CMDID);
+ /* request peer info from FW to get PEER_INFO_EVENTID */
+ CASE_RETURN_STRING(WMI_PEER_INFO_REQ_CMDID);
+
+ /* beacon/management specific commands */
+
+ /* transmit beacon by reference. used for transmitting beacon
+ * on low latency interface like pcie */
+ CASE_RETURN_STRING(WMI_BCN_TX_CMDID);
+ /* transmit beacon by value */
+ CASE_RETURN_STRING(WMI_PDEV_SEND_BCN_CMDID);
+ /* set the beacon template. used in beacon offload mode to setup
+ * the common beacon template with the FW to be used by FW to
+ * generate beacons */
+ CASE_RETURN_STRING(WMI_BCN_TMPL_CMDID);
+ /* set beacon filter with FW */
+ CASE_RETURN_STRING(WMI_BCN_FILTER_RX_CMDID);
+ /* enable/disable filtering of probe requests in the firmware */
+ CASE_RETURN_STRING(WMI_PRB_REQ_FILTER_RX_CMDID);
+ /* transmit management frame by value. will be deprecated */
+ CASE_RETURN_STRING(WMI_MGMT_TX_CMDID);
+ /* set the probe response template. used in beacon offload mode
+ * to setup the common probe response template with the FW to
+ * be used by FW to generate probe responses */
+ CASE_RETURN_STRING(WMI_PRB_TMPL_CMDID);
+
+ /* commands to directly control ba negotiation directly from
+ * host. only used in test mode */
+
+ /* turn off FW Auto addba mode and let host control addba */
+ CASE_RETURN_STRING(WMI_ADDBA_CLEAR_RESP_CMDID);
+ /* send add ba request */
+ CASE_RETURN_STRING(WMI_ADDBA_SEND_CMDID);
+ CASE_RETURN_STRING(WMI_ADDBA_STATUS_CMDID);
+ /* send del ba */
+ CASE_RETURN_STRING(WMI_DELBA_SEND_CMDID);
+ /* set add ba response will be used by FW to generate
+ * addba response*/
+ CASE_RETURN_STRING(WMI_ADDBA_SET_RESP_CMDID);
+ /* send single VHT MPDU with AMSDU */
+ CASE_RETURN_STRING(WMI_SEND_SINGLEAMSDU_CMDID);
+
+ /* Station power save specific config */
+ /* enable/disable station powersave */
+ CASE_RETURN_STRING(WMI_STA_POWERSAVE_MODE_CMDID);
+ /* set station power save specific parameter */
+ CASE_RETURN_STRING(WMI_STA_POWERSAVE_PARAM_CMDID);
+ /* set station mimo powersave mode */
+ CASE_RETURN_STRING(WMI_STA_MIMO_PS_MODE_CMDID);
+
+ /* DFS-specific commands */
+ /* enable DFS (radar detection)*/
+ CASE_RETURN_STRING(WMI_PDEV_DFS_ENABLE_CMDID);
+ /* disable DFS (radar detection)*/
+ CASE_RETURN_STRING(WMI_PDEV_DFS_DISABLE_CMDID);
+ /* enable DFS phyerr/parse filter offload */
+ CASE_RETURN_STRING(WMI_DFS_PHYERR_FILTER_ENA_CMDID);
+ /* enable DFS phyerr/parse filter offload */
+ CASE_RETURN_STRING(WMI_DFS_PHYERR_FILTER_DIS_CMDID);
+
+ /* Roaming specific commands */
+ /* set roam scan mode */
+ CASE_RETURN_STRING(WMI_ROAM_SCAN_MODE);
+ /* set roam scan rssi threshold below which roam
+ * scan is enabled */
+ CASE_RETURN_STRING(WMI_ROAM_SCAN_RSSI_THRESHOLD);
+ /* set roam scan period for periodic roam scan mode */
+ CASE_RETURN_STRING(WMI_ROAM_SCAN_PERIOD);
+ /* set roam scan trigger rssi change threshold */
+ CASE_RETURN_STRING(WMI_ROAM_SCAN_RSSI_CHANGE_THRESHOLD);
+ /* set roam AP profile */
+ CASE_RETURN_STRING(WMI_ROAM_AP_PROFILE);
+ /* set channel list for roam scans */
+ CASE_RETURN_STRING(WMI_ROAM_CHAN_LIST);
+ /* offload scan specific commands */
+ /* set offload scan AP profile */
+ CASE_RETURN_STRING(WMI_OFL_SCAN_ADD_AP_PROFILE);
+ /* remove offload scan AP profile */
+ CASE_RETURN_STRING(WMI_OFL_SCAN_REMOVE_AP_PROFILE);
+ /* set offload scan period */
+ CASE_RETURN_STRING(WMI_OFL_SCAN_PERIOD);
+
+ /* P2P specific commands */
+ /* set P2P device info. FW will used by FW to create P2P IE
+ * to be carried in probe response generated during p2p listen
+ * and for p2p discoverability */
+ CASE_RETURN_STRING(WMI_P2P_DEV_SET_DEVICE_INFO);
+ /* enable/disable p2p discoverability on STA/AP VDEVs */
+ CASE_RETURN_STRING(WMI_P2P_DEV_SET_DISCOVERABILITY);
+ /* set p2p ie to be carried in beacons generated by FW for GO */
+ CASE_RETURN_STRING(WMI_P2P_GO_SET_BEACON_IE);
+ /* set p2p ie to be carried in probe response frames generated
+ * by FW for GO */
+ CASE_RETURN_STRING(WMI_P2P_GO_SET_PROBE_RESP_IE);
+ /* set the vendor specific p2p ie data.
+ * FW will use this to parse the P2P NoA
+ * attribute in the beacons/probe responses received.
+ */
+ CASE_RETURN_STRING(WMI_P2P_SET_VENDOR_IE_DATA_CMDID);
+ /* set the configure of p2p find offload */
+ CASE_RETURN_STRING(WMI_P2P_DISC_OFFLOAD_CONFIG_CMDID);
+ /* set the vendor specific p2p ie data for p2p find offload */
+ CASE_RETURN_STRING(WMI_P2P_DISC_OFFLOAD_APPIE_CMDID);
+ /* set the BSSID/device name pattern of p2p find offload */
+ CASE_RETURN_STRING(WMI_P2P_DISC_OFFLOAD_PATTERN_CMDID);
+ /* set OppPS related parameters **/
+ CASE_RETURN_STRING(WMI_P2P_SET_OPPPS_PARAM_CMDID);
+
+ /* AP power save specific config
+ * set AP power save specific param */
+ CASE_RETURN_STRING(WMI_AP_PS_PEER_PARAM_CMDID);
+ /* set AP UAPSD coex pecific param */
+ CASE_RETURN_STRING(WMI_AP_PS_PEER_UAPSD_COEX_CMDID);
+
+ /* Rate-control specific commands */
+ CASE_RETURN_STRING(WMI_PEER_RATE_RETRY_SCHED_CMDID);
+
+ /* WLAN Profiling commands. */
+ CASE_RETURN_STRING(WMI_WLAN_PROFILE_TRIGGER_CMDID);
+ CASE_RETURN_STRING(WMI_WLAN_PROFILE_SET_HIST_INTVL_CMDID);
+ CASE_RETURN_STRING(WMI_WLAN_PROFILE_GET_PROFILE_DATA_CMDID);
+ CASE_RETURN_STRING(WMI_WLAN_PROFILE_ENABLE_PROFILE_ID_CMDID);
+ CASE_RETURN_STRING(WMI_WLAN_PROFILE_LIST_PROFILE_ID_CMDID);
+
+ /* Suspend resume command Ids */
+ CASE_RETURN_STRING(WMI_PDEV_SUSPEND_CMDID);
+ CASE_RETURN_STRING(WMI_PDEV_RESUME_CMDID);
+
+ /* Beacon filter commands */
+ /* add a beacon filter */
+ CASE_RETURN_STRING(WMI_ADD_BCN_FILTER_CMDID);
+ /* remove a beacon filter */
+ CASE_RETURN_STRING(WMI_RMV_BCN_FILTER_CMDID);
+
+ /* WOW Specific WMI commands */
+ /* add pattern for awake */
+ CASE_RETURN_STRING(WMI_WOW_ADD_WAKE_PATTERN_CMDID);
+ /* deleta a wake pattern */
+ CASE_RETURN_STRING(WMI_WOW_DEL_WAKE_PATTERN_CMDID);
+ /* enable/deisable wake event */
+ CASE_RETURN_STRING(WMI_WOW_ENABLE_DISABLE_WAKE_EVENT_CMDID);
+ /* enable WOW */
+ CASE_RETURN_STRING(WMI_WOW_ENABLE_CMDID);
+ /* host woke up from sleep event to FW. Generated in response
+ * to WOW Hardware event */
+ CASE_RETURN_STRING(WMI_WOW_HOSTWAKEUP_FROM_SLEEP_CMDID);
+
+ /* RTT measurement related cmd */
+ /* reques to make an RTT measurement */
+ CASE_RETURN_STRING(WMI_RTT_MEASREQ_CMDID);
+ /* reques to report a tsf measurement */
+ CASE_RETURN_STRING(WMI_RTT_TSF_CMDID);
+
+ /* spectral scan command */
+ /* configure spectral scan */
+ CASE_RETURN_STRING(WMI_VDEV_SPECTRAL_SCAN_CONFIGURE_CMDID);
+ /* enable/disable spectral scan and trigger */
+ CASE_RETURN_STRING(WMI_VDEV_SPECTRAL_SCAN_ENABLE_CMDID);
+
+ /* F/W stats */
+ /* one time request for stats */
+ CASE_RETURN_STRING(WMI_REQUEST_STATS_CMDID);
+ /* Push MCC Adaptive Scheduler Stats to Firmware */
+ CASE_RETURN_STRING(WMI_MCC_SCHED_TRAFFIC_STATS_CMDID);
+
+ /* ARP OFFLOAD REQUEST*/
+ CASE_RETURN_STRING(WMI_SET_ARP_NS_OFFLOAD_CMDID);
+
+ /* Proactive ARP Response Add Pattern Command*/
+ CASE_RETURN_STRING(WMI_ADD_PROACTIVE_ARP_RSP_PATTERN_CMDID);
+
+ /* Proactive ARP Response Del Pattern Command*/
+ CASE_RETURN_STRING(WMI_DEL_PROACTIVE_ARP_RSP_PATTERN_CMDID);
+
+ /* NS offload confid*/
+ CASE_RETURN_STRING(WMI_NETWORK_LIST_OFFLOAD_CONFIG_CMDID);
+
+ /* GTK offload Specific WMI commands */
+ CASE_RETURN_STRING(WMI_GTK_OFFLOAD_CMDID);
+
+ /* CSA offload Specific WMI commands */
+ /* csa offload enable */
+ CASE_RETURN_STRING(WMI_CSA_OFFLOAD_ENABLE_CMDID);
+ /* chan switch command */
+ CASE_RETURN_STRING(WMI_CSA_OFFLOAD_CHANSWITCH_CMDID);
+
+ /* Chatter commands */
+ /* Change chatter mode of operation */
+ CASE_RETURN_STRING(WMI_CHATTER_SET_MODE_CMDID);
+ /* chatter add coalescing filter command */
+ CASE_RETURN_STRING(WMI_CHATTER_ADD_COALESCING_FILTER_CMDID);
+ /* chatter delete coalescing filter command */
+ CASE_RETURN_STRING(WMI_CHATTER_DELETE_COALESCING_FILTER_CMDID);
+ /* chatter coalecing query command */
+ CASE_RETURN_STRING(WMI_CHATTER_COALESCING_QUERY_CMDID);
+
+ /* addba specific commands */
+ /* start the aggregation on this TID */
+ CASE_RETURN_STRING(WMI_PEER_TID_ADDBA_CMDID);
+ /* stop the aggregation on this TID */
+ CASE_RETURN_STRING(WMI_PEER_TID_DELBA_CMDID);
+
+ /* set station mimo powersave method */
+ CASE_RETURN_STRING(WMI_STA_DTIM_PS_METHOD_CMDID);
+ /* Configure the Station UAPSD AC Auto Trigger Parameters */
+ CASE_RETURN_STRING(WMI_STA_UAPSD_AUTO_TRIG_CMDID);
+ /* Configure the Keep Alive Parameters */
+ CASE_RETURN_STRING(WMI_STA_KEEPALIVE_CMDID);
+
+ /* Request ssn from target for a sta/tid pair */
+ CASE_RETURN_STRING(WMI_BA_REQ_SSN_CMDID);
+ /* misc command group */
+ /* echo command mainly used for testing */
+ CASE_RETURN_STRING(WMI_ECHO_CMDID);
+
+ /* !!IMPORTANT!!
+ * If you need to add a new WMI command to the CASE_RETURN_STRING(WMI_GRP_MISC sub-group,
+ * please make sure you add it BEHIND CASE_RETURN_STRING(WMI_PDEV_UTF_CMDID);
+ * as we MUST have a fixed value here to maintain compatibility between
+ * UTF and the ART2 driver
+ */
+ /** UTF WMI commands */
+ CASE_RETURN_STRING(WMI_PDEV_UTF_CMDID);
+
+ /** set debug log config */
+ CASE_RETURN_STRING(WMI_DBGLOG_CFG_CMDID);
+ /* QVIT specific command id */
+ CASE_RETURN_STRING(WMI_PDEV_QVIT_CMDID);
+ /* Factory Testing Mode request command
+ * used for integrated chipsets */
+ CASE_RETURN_STRING(WMI_PDEV_FTM_INTG_CMDID);
+ /* set and get keepalive parameters command */
+ CASE_RETURN_STRING(WMI_VDEV_SET_KEEPALIVE_CMDID);
+ CASE_RETURN_STRING(WMI_VDEV_GET_KEEPALIVE_CMDID);
+ /* For fw recovery test command */
+ CASE_RETURN_STRING(WMI_FORCE_FW_HANG_CMDID);
+ /* Set Mcast/Bdcast filter */
+ CASE_RETURN_STRING(WMI_SET_MCASTBCAST_FILTER_CMDID);
+ /* set thermal management params */
+ CASE_RETURN_STRING(WMI_THERMAL_MGMT_CMDID);
+ CASE_RETURN_STRING(WMI_RSSI_BREACH_MONITOR_CONFIG_CMDID);
+ CASE_RETURN_STRING(WMI_LRO_CONFIG_CMDID);
+ CASE_RETURN_STRING(WMI_TRANSFER_DATA_TO_FLASH_CMDID);
+ CASE_RETURN_STRING(WMI_MAWC_SENSOR_REPORT_IND_CMDID);
+ CASE_RETURN_STRING(WMI_ROAM_CONFIGURE_MAWC_CMDID);
+ CASE_RETURN_STRING(WMI_NLO_CONFIGURE_MAWC_CMDID);
+ CASE_RETURN_STRING(WMI_EXTSCAN_CONFIGURE_MAWC_CMDID);
+ /* GPIO Configuration */
+ CASE_RETURN_STRING(WMI_GPIO_CONFIG_CMDID);
+ CASE_RETURN_STRING(WMI_GPIO_OUTPUT_CMDID);
+
+ /* Txbf configuration command */
+ CASE_RETURN_STRING(WMI_TXBF_CMDID);
+
+ /* FWTEST Commands */
+ CASE_RETURN_STRING(WMI_FWTEST_VDEV_MCC_SET_TBTT_MODE_CMDID);
+ /* set NoA descs */
+ CASE_RETURN_STRING(WMI_FWTEST_P2P_SET_NOA_PARAM_CMDID);
+
+ /* TDLS Configuration */
+ /* enable/disable TDLS */
+ CASE_RETURN_STRING(WMI_TDLS_SET_STATE_CMDID);
+ /* set tdls peer state */
+ CASE_RETURN_STRING(WMI_TDLS_PEER_UPDATE_CMDID);
+
+ /* Resmgr Configuration */
+ /* Adaptive OCS is enabled by default in the FW.
+ * This command is used to disable FW based adaptive OCS.
+ */
+ CASE_RETURN_STRING
+ (WMI_RESMGR_ADAPTIVE_OCS_ENABLE_DISABLE_CMDID);
+ /* set the requested channel time quota for the home channels */
+ CASE_RETURN_STRING(WMI_RESMGR_SET_CHAN_TIME_QUOTA_CMDID);
+ /* set the requested latency for the home channels */
+ CASE_RETURN_STRING(WMI_RESMGR_SET_CHAN_LATENCY_CMDID);
+
+ /* STA SMPS Configuration */
+ /* force SMPS mode */
+ CASE_RETURN_STRING(WMI_STA_SMPS_FORCE_MODE_CMDID);
+ /* set SMPS parameters */
+ CASE_RETURN_STRING(WMI_STA_SMPS_PARAM_CMDID);
+
+ /* Wlan HB commands */
+ /* enalbe/disable wlan HB */
+ CASE_RETURN_STRING(WMI_HB_SET_ENABLE_CMDID);
+ /* set tcp parameters for wlan HB */
+ CASE_RETURN_STRING(WMI_HB_SET_TCP_PARAMS_CMDID);
+ /* set tcp pkt filter for wlan HB */
+ CASE_RETURN_STRING(WMI_HB_SET_TCP_PKT_FILTER_CMDID);
+ /* set udp parameters for wlan HB */
+ CASE_RETURN_STRING(WMI_HB_SET_UDP_PARAMS_CMDID);
+ /* set udp pkt filter for wlan HB */
+ CASE_RETURN_STRING(WMI_HB_SET_UDP_PKT_FILTER_CMDID);
+
+ /* Wlan RMC commands*/
+ /* enable/disable RMC */
+ CASE_RETURN_STRING(WMI_RMC_SET_MODE_CMDID);
+ /* configure action frame period */
+ CASE_RETURN_STRING(WMI_RMC_SET_ACTION_PERIOD_CMDID);
+ /* For debug/future enhancement purposes only,
+ * configures/finetunes RMC algorithms */
+ CASE_RETURN_STRING(WMI_RMC_CONFIG_CMDID);
+
+ /* WLAN MHF offload commands */
+ /** enable/disable MHF offload */
+ CASE_RETURN_STRING(WMI_MHF_OFFLOAD_SET_MODE_CMDID);
+ /* Plumb routing table for MHF offload */
+ CASE_RETURN_STRING(WMI_MHF_OFFLOAD_PLUMB_ROUTING_TBL_CMDID);
+
+ /* location scan commands */
+ /* start batch scan */
+ CASE_RETURN_STRING(WMI_BATCH_SCAN_ENABLE_CMDID);
+ /* stop batch scan */
+ CASE_RETURN_STRING(WMI_BATCH_SCAN_DISABLE_CMDID);
+ /* get batch scan result */
+ CASE_RETURN_STRING(WMI_BATCH_SCAN_TRIGGER_RESULT_CMDID);
+ /* OEM related cmd */
+ CASE_RETURN_STRING(WMI_OEM_REQ_CMDID);
+ CASE_RETURN_STRING(WMI_OEM_REQUEST_CMDID);
+ /* NAN request cmd */
+ CASE_RETURN_STRING(WMI_NAN_CMDID);
+ /* Modem power state cmd */
+ CASE_RETURN_STRING(WMI_MODEM_POWER_STATE_CMDID);
+ CASE_RETURN_STRING(WMI_REQUEST_STATS_EXT_CMDID);
+ CASE_RETURN_STRING(WMI_OBSS_SCAN_ENABLE_CMDID);
+ CASE_RETURN_STRING(WMI_OBSS_SCAN_DISABLE_CMDID);
+ CASE_RETURN_STRING(WMI_PEER_GET_ESTIMATED_LINKSPEED_CMDID);
+ CASE_RETURN_STRING(WMI_ROAM_SCAN_CMD);
+ CASE_RETURN_STRING(WMI_PDEV_SET_LED_CONFIG_CMDID);
+ CASE_RETURN_STRING(WMI_HOST_AUTO_SHUTDOWN_CFG_CMDID);
+ CASE_RETURN_STRING(WMI_CHAN_AVOID_UPDATE_CMDID);
+ CASE_RETURN_STRING(WMI_WOW_IOAC_ADD_KEEPALIVE_CMDID);
+ CASE_RETURN_STRING(WMI_WOW_IOAC_DEL_KEEPALIVE_CMDID);
+ CASE_RETURN_STRING(WMI_WOW_IOAC_ADD_WAKE_PATTERN_CMDID);
+ CASE_RETURN_STRING(WMI_WOW_IOAC_DEL_WAKE_PATTERN_CMDID);
+ CASE_RETURN_STRING(WMI_REQUEST_LINK_STATS_CMDID);
+ CASE_RETURN_STRING(WMI_START_LINK_STATS_CMDID);
+ CASE_RETURN_STRING(WMI_CLEAR_LINK_STATS_CMDID);
+ CASE_RETURN_STRING(WMI_GET_FW_MEM_DUMP_CMDID);
+ CASE_RETURN_STRING(WMI_LPI_MGMT_SNOOPING_CONFIG_CMDID);
+ CASE_RETURN_STRING(WMI_LPI_START_SCAN_CMDID);
+ CASE_RETURN_STRING(WMI_LPI_STOP_SCAN_CMDID);
+ CASE_RETURN_STRING(WMI_EXTSCAN_START_CMDID);
+ CASE_RETURN_STRING(WMI_EXTSCAN_STOP_CMDID);
+ CASE_RETURN_STRING
+ (WMI_EXTSCAN_CONFIGURE_WLAN_CHANGE_MONITOR_CMDID);
+ CASE_RETURN_STRING(WMI_EXTSCAN_CONFIGURE_HOTLIST_MONITOR_CMDID);
+ CASE_RETURN_STRING(WMI_EXTSCAN_GET_CACHED_RESULTS_CMDID);
+ CASE_RETURN_STRING(WMI_EXTSCAN_GET_WLAN_CHANGE_RESULTS_CMDID);
+ CASE_RETURN_STRING(WMI_EXTSCAN_SET_CAPABILITIES_CMDID);
+ CASE_RETURN_STRING(WMI_EXTSCAN_GET_CAPABILITIES_CMDID);
+ CASE_RETURN_STRING(WMI_EXTSCAN_CONFIGURE_HOTLIST_SSID_MONITOR_CMDID);
+ CASE_RETURN_STRING(WMI_ROAM_SYNCH_COMPLETE);
+ CASE_RETURN_STRING(WMI_D0_WOW_ENABLE_DISABLE_CMDID);
+ CASE_RETURN_STRING(WMI_EXTWOW_ENABLE_CMDID);
+ CASE_RETURN_STRING(WMI_EXTWOW_SET_APP_TYPE1_PARAMS_CMDID);
+ CASE_RETURN_STRING(WMI_EXTWOW_SET_APP_TYPE2_PARAMS_CMDID);
+ CASE_RETURN_STRING(WMI_UNIT_TEST_CMDID);
+ CASE_RETURN_STRING(WMI_ROAM_SET_RIC_REQUEST_CMDID);
+ CASE_RETURN_STRING(WMI_PDEV_GET_TEMPERATURE_CMDID);
+ CASE_RETURN_STRING(WMI_SET_DHCP_SERVER_OFFLOAD_CMDID);
+ CASE_RETURN_STRING(WMI_TPC_CHAINMASK_CONFIG_CMDID);
+ CASE_RETURN_STRING(WMI_IPA_OFFLOAD_ENABLE_DISABLE_CMDID);
+ CASE_RETURN_STRING(WMI_SCAN_PROB_REQ_OUI_CMDID);
+ CASE_RETURN_STRING(WMI_TDLS_SET_OFFCHAN_MODE_CMDID);
+ CASE_RETURN_STRING(WMI_PDEV_SET_LED_FLASHING_CMDID);
+ CASE_RETURN_STRING(WMI_MDNS_OFFLOAD_ENABLE_CMDID);
+ CASE_RETURN_STRING(WMI_MDNS_SET_FQDN_CMDID);
+ CASE_RETURN_STRING(WMI_MDNS_SET_RESPONSE_CMDID);
+ CASE_RETURN_STRING(WMI_MDNS_GET_STATS_CMDID);
+ CASE_RETURN_STRING(WMI_ROAM_INVOKE_CMDID);
+ CASE_RETURN_STRING(WMI_SET_ANTENNA_DIVERSITY_CMDID);
+ CASE_RETURN_STRING(WMI_SAP_OFL_ENABLE_CMDID);
+ CASE_RETURN_STRING(WMI_APFIND_CMDID);
+ CASE_RETURN_STRING(WMI_PASSPOINT_LIST_CONFIG_CMDID);
+ CASE_RETURN_STRING(WMI_OCB_SET_SCHED_CMDID);
+ CASE_RETURN_STRING(WMI_OCB_SET_CONFIG_CMDID);
+ CASE_RETURN_STRING(WMI_OCB_SET_UTC_TIME_CMDID);
+ CASE_RETURN_STRING(WMI_OCB_START_TIMING_ADVERT_CMDID);
+ CASE_RETURN_STRING(WMI_OCB_STOP_TIMING_ADVERT_CMDID);
+ CASE_RETURN_STRING(WMI_OCB_GET_TSF_TIMER_CMDID);
+ CASE_RETURN_STRING(WMI_DCC_GET_STATS_CMDID);
+ CASE_RETURN_STRING(WMI_DCC_CLEAR_STATS_CMDID);
+ CASE_RETURN_STRING(WMI_DCC_UPDATE_NDL_CMDID);
+ CASE_RETURN_STRING(WMI_ROAM_FILTER_CMDID);
+ CASE_RETURN_STRING(WMI_ROAM_SUBNET_CHANGE_CONFIG_CMDID);
+ CASE_RETURN_STRING(WMI_DEBUG_MESG_FLUSH_CMDID);
+ CASE_RETURN_STRING(WMI_PEER_SET_RATE_REPORT_CONDITION_CMDID);
+ CASE_RETURN_STRING(WMI_SOC_SET_PCL_CMDID);
+ CASE_RETURN_STRING(WMI_SOC_SET_HW_MODE_CMDID);
+ CASE_RETURN_STRING(WMI_SOC_SET_DUAL_MAC_CONFIG_CMDID);
+ CASE_RETURN_STRING(WMI_WOW_ENABLE_ICMPV6_NA_FLT_CMDID);
+ CASE_RETURN_STRING(WMI_DIAG_EVENT_LOG_CONFIG_CMDID);
+ CASE_RETURN_STRING(WMI_PACKET_FILTER_CONFIG_CMDID);
+ CASE_RETURN_STRING(WMI_PACKET_FILTER_ENABLE_CMDID);
+ CASE_RETURN_STRING(WMI_SAP_SET_BLACKLIST_PARAM_CMDID);
+ CASE_RETURN_STRING(WMI_WOW_UDP_SVC_OFLD_CMDID);
+ CASE_RETURN_STRING(WMI_MGMT_TX_SEND_CMDID);
+ CASE_RETURN_STRING(WMI_SOC_SET_ANTENNA_MODE_CMDID);
+ CASE_RETURN_STRING(WMI_WOW_HOSTWAKEUP_GPIO_PIN_PATTERN_CONFIG_CMDID);
+ CASE_RETURN_STRING(WMI_AP_PS_EGAP_PARAM_CMDID);
+ CASE_RETURN_STRING(WMI_PMF_OFFLOAD_SET_SA_QUERY_CMDID);
+ CASE_RETURN_STRING(WMI_BPF_GET_CAPABILITY_CMDID);
+ CASE_RETURN_STRING(WMI_BPF_GET_VDEV_STATS_CMDID);
+ CASE_RETURN_STRING(WMI_BPF_SET_VDEV_INSTRUCTIONS_CMDID);
+ CASE_RETURN_STRING(WMI_BPF_DEL_VDEV_INSTRUCTIONS_CMDID);
+
+ }
+
+ return "Invalid WMI cmd";
+}
+
+#ifdef QCA_WIFI_3_0_EMU
+static inline void wma_log_cmd_id(WMI_CMD_ID cmd_id)
+{
+ WMA_LOGE("Send WMI command:%s command_id:%d",
+ get_wmi_cmd_string(cmd_id), cmd_id);
+}
+#else
+static inline void wma_log_cmd_id(WMI_CMD_ID cmd_id)
+{
+ WMA_LOGD("Send WMI command:%s command_id:%d",
+ get_wmi_cmd_string(cmd_id), cmd_id);
+}
+#endif
+
+/**
+ * wmi_is_runtime_pm_cmd() - check if a cmd is part of the suspend resume sequence
+ * @cmd: command to check
+ *
+ * Return: true if the command is part of the suspend resume sequence.
+ */
+bool wmi_is_runtime_pm_cmd(WMI_CMD_ID cmd_id)
+{
+ switch (cmd_id) {
+ case WMI_WOW_ENABLE_CMDID:
+ case WMI_PDEV_SUSPEND_CMDID:
+ case WMI_WOW_ENABLE_DISABLE_WAKE_EVENT_CMDID:
+ case WMI_WOW_ADD_WAKE_PATTERN_CMDID:
+ case WMI_WOW_HOSTWAKEUP_FROM_SLEEP_CMDID:
+ case WMI_PDEV_RESUME_CMDID:
+ case WMI_WOW_DEL_WAKE_PATTERN_CMDID:
+ case WMI_D0_WOW_ENABLE_DISABLE_CMDID:
+ return true;
+
+ default:
+ return false;
+ }
+}
+
+/**
+ * wmi_unified_cmd_send() - WMI command API
+ * @wmi_handle: handle to wmi
+ * @buf: wmi buf
+ * @len: wmi buffer length
+ * @cmd_id: wmi command id
+ *
+ * Return: 0 on success
+ */
+int wmi_unified_cmd_send(wmi_unified_t wmi_handle, wmi_buf_t buf, int len,
+ WMI_CMD_ID cmd_id)
+{
+ HTC_PACKET *pkt;
+ A_STATUS status;
+
+ if (wmi_get_runtime_pm_inprogress(wmi_handle)) {
+ if (wmi_is_runtime_pm_cmd(cmd_id))
+ htc_tag = HTC_TX_PACKET_TAG_AUTO_PM;
+ } else if (cdf_atomic_read(&wmi_handle->is_target_suspended) &&
+ ((WMI_WOW_HOSTWAKEUP_FROM_SLEEP_CMDID != cmd_id) &&
+ (WMI_PDEV_RESUME_CMDID != cmd_id))) {
+ cdf_print("%s: Target is suspended could not send WMI command \n",
+ __func__);
+ CDF_ASSERT(0);
+ return -EBUSY;
+ }
+
+ /* Do sanity check on the TLV parameter structure */
+ {
+ void *buf_ptr = (void *)cdf_nbuf_data(buf);
+
+ if (wmitlv_check_command_tlv_params(NULL, buf_ptr, len, cmd_id)
+ != 0) {
+ cdf_print
+ ("\nERROR: %s: Invalid WMI Param Buffer for Cmd:%d\n",
+ __func__, cmd_id);
+ return -EINVAL;
+ }
+ }
+
+ if (cdf_nbuf_push_head(buf, sizeof(WMI_CMD_HDR)) == NULL) {
+ pr_err("%s, Failed to send cmd %x, no memory\n",
+ __func__, cmd_id);
+ return -ENOMEM;
+ }
+
+ WMI_SET_FIELD(cdf_nbuf_data(buf), WMI_CMD_HDR, COMMANDID, cmd_id);
+
+ cdf_atomic_inc(&wmi_handle->pending_cmds);
+ if (cdf_atomic_read(&wmi_handle->pending_cmds) >= WMI_MAX_CMDS) {
+ pr_err("\n%s: hostcredits = %d\n", __func__,
+ wmi_get_host_credits(wmi_handle));
+ htc_dump_counter_info(wmi_handle->htc_handle);
+ cdf_atomic_dec(&wmi_handle->pending_cmds);
+ pr_err("%s: MAX 1024 WMI Pending cmds reached.\n", __func__);
+ CDF_BUG(0);
+ return -EBUSY;
+ }
+
+ pkt = cdf_mem_malloc(sizeof(*pkt));
+ if (!pkt) {
+ cdf_atomic_dec(&wmi_handle->pending_cmds);
+ pr_err("%s, Failed to alloc htc packet %x, no memory\n",
+ __func__, cmd_id);
+ return -ENOMEM;
+ }
+
+ SET_HTC_PACKET_INFO_TX(pkt,
+ NULL,
+ cdf_nbuf_data(buf), len + sizeof(WMI_CMD_HDR),
+ wmi_handle->wmi_endpoint_id, htc_tag);
+
+ SET_HTC_PACKET_NET_BUF_CONTEXT(pkt, buf);
+
+ wma_log_cmd_id(cmd_id);
+
+#ifdef WMI_INTERFACE_EVENT_LOGGING
+ cdf_spin_lock_bh(&wmi_handle->wmi_record_lock);
+ /*Record 16 bytes of WMI cmd data - exclude TLV and WMI headers */
+ if (cmd_id == WMI_MGMT_TX_SEND_CMDID) {
+ WMI_MGMT_COMMAND_RECORD(cmd_id,
+ ((uint32_t *)cdf_nbuf_data(buf) + 2));
+ } else {
+ WMI_COMMAND_RECORD(cmd_id, ((uint32_t *) cdf_nbuf_data(buf) +
+ 2));
+ }
+
+ cdf_spin_unlock_bh(&wmi_handle->wmi_record_lock);
+#endif
+
+ status = htc_send_pkt(wmi_handle->htc_handle, pkt);
+
+ if (A_OK != status) {
+ cdf_atomic_dec(&wmi_handle->pending_cmds);
+ pr_err("%s %d, htc_send_pkt failed\n", __func__, __LINE__);
+ }
+ if (status)
+ return CDF_STATUS_E_FAILURE;
+
+ return CDF_STATUS_SUCCESS;
+}
+
+/**
+ * wmi_unified_get_event_handler_ix() - gives event handler's index
+ * @wmi_handle: handle to wmi
+ * @event_id: wmi event id
+ *
+ * Return: event handler's index
+ */
+int wmi_unified_get_event_handler_ix(wmi_unified_t wmi_handle,
+ WMI_EVT_ID event_id)
+{
+ uint32_t idx = 0;
+ int32_t invalid_idx = -1;
+ for (idx = 0; (idx < wmi_handle->max_event_idx &&
+ idx < WMI_UNIFIED_MAX_EVENT); ++idx) {
+ if (wmi_handle->event_id[idx] == event_id &&
+ wmi_handle->event_handler[idx] != NULL) {
+ return idx;
+ }
+ }
+
+ return invalid_idx;
+}
+
+/**
+ * wmi_unified_register_event_handler() - register wmi event handler
+ * @wmi_handle: handle to wmi
+ * @event_id: wmi event id
+ * @handler_func: wmi event handler function
+ *
+ * Return: 0 on success
+ */
+int wmi_unified_register_event_handler(wmi_unified_t wmi_handle,
+ WMI_EVT_ID event_id,
+ wmi_unified_event_handler handler_func)
+{
+ uint32_t idx = 0;
+
+ if (wmi_unified_get_event_handler_ix(wmi_handle, event_id) != -1) {
+ cdf_print("%s : event handler already registered 0x%x \n",
+ __func__, event_id);
+ return CDF_STATUS_E_FAILURE;
+ }
+ if (wmi_handle->max_event_idx == WMI_UNIFIED_MAX_EVENT) {
+ cdf_print("%s : no more event handlers 0x%x \n",
+ __func__, event_id);
+ return CDF_STATUS_E_FAILURE;
+ }
+ idx = wmi_handle->max_event_idx;
+ wmi_handle->event_handler[idx] = handler_func;
+ wmi_handle->event_id[idx] = event_id;
+ wmi_handle->max_event_idx++;
+
+ return 0;
+}
+
+/**
+ * wmi_unified_unregister_event_handler() - unregister wmi event handler
+ * @wmi_handle: handle to wmi
+ * @event_id: wmi event id
+ *
+ * Return: 0 on success
+ */
+int wmi_unified_unregister_event_handler(wmi_unified_t wmi_handle,
+ WMI_EVT_ID event_id)
+{
+ uint32_t idx = 0;
+
+ idx = wmi_unified_get_event_handler_ix(wmi_handle, event_id);
+ if (idx == -1) {
+ cdf_print("%s : event handler is not registered: event id 0x%x \n",
+ __func__, event_id);
+ return CDF_STATUS_E_FAILURE;
+ }
+ wmi_handle->event_handler[idx] = NULL;
+ wmi_handle->event_id[idx] = 0;
+ --wmi_handle->max_event_idx;
+ wmi_handle->event_handler[idx] =
+ wmi_handle->event_handler[wmi_handle->max_event_idx];
+ wmi_handle->event_id[idx] =
+ wmi_handle->event_id[wmi_handle->max_event_idx];
+
+ return 0;
+}
+
+/**
+ * wmi_process_fw_event_tasklet_ctx() - process in tasklet context
+ * @wmi_handle: handle to wmi
+ * @htc_packet: pointer to htc packet
+ *
+ * Event process by below function will be in tasket context,
+ * need to use this method only for time sensitive functions.
+ *
+ * Return: none
+ */
+static void wmi_process_fw_event_tasklet_ctx(struct wmi_unified *wmi_handle,
+ HTC_PACKET *htc_packet)
+{
+
+ wmi_buf_t evt_buf;
+ evt_buf = (wmi_buf_t) htc_packet->pPktContext;
+
+ __wmi_control_rx(wmi_handle, evt_buf);
+ return;
+}
+
+/**
+ * wmi_process_fw_event_mc_thread_ctx() - process in mc thread context
+ * @wmi_handle: handle to wmi
+ * @htc_packet: pointer to htc packet
+ *
+ * Event process by below function will be in mc_thread context.
+ * By default all event will be executed in mc_thread context.
+ * Use this method for all events which are processed by protocol stack.
+ * This method will reduce context switching and race conditions.
+ *
+ * Return: none
+ */
+static void wmi_process_fw_event_mc_thread_ctx(struct wmi_unified *wmi_handle,
+ HTC_PACKET *htc_packet)
+{
+ wmi_buf_t evt_buf;
+ evt_buf = (wmi_buf_t) htc_packet->pPktContext;
+
+ wmi_handle->wma_process_fw_event_handler_cbk(wmi_handle, evt_buf);
+ return;
+}
+
+/**
+ * wmi_process_fw_event_worker_thread_ctx() - process in worker thread context
+ * @wmi_handle: handle to wmi
+ * @htc_packet: pointer to htc packet
+ *
+ * Event process by below function will be in worker thread context.
+ * Use this method for events which are not critical and not
+ * handled in protocol stack.
+ *
+ * Return: none
+ */
+static void wmi_process_fw_event_worker_thread_ctx
+ (struct wmi_unified *wmi_handle, HTC_PACKET *htc_packet)
+{
+ wmi_buf_t evt_buf;
+ uint32_t id;
+ uint8_t *data;
+
+ evt_buf = (wmi_buf_t) htc_packet->pPktContext;
+ id = WMI_GET_FIELD(cdf_nbuf_data(evt_buf), WMI_CMD_HDR, COMMANDID);
+ data = cdf_nbuf_data(evt_buf);
+
+ cdf_spin_lock_bh(&wmi_handle->wmi_record_lock);
+ /* Exclude 4 bytes of TLV header */
+ WMI_RX_EVENT_RECORD(id, ((uint8_t *) data + 4));
+ cdf_spin_unlock_bh(&wmi_handle->wmi_record_lock);
+ cdf_spin_lock_bh(&wmi_handle->eventq_lock);
+ cdf_nbuf_queue_add(&wmi_handle->event_queue, evt_buf);
+ cdf_spin_unlock_bh(&wmi_handle->eventq_lock);
+ schedule_work(&wmi_handle->rx_event_work);
+ return;
+}
+
+/**
+ * wmi_control_rx() - process in worker thread context
+ * @ctx: handle to wmi
+ * @htc_packet: pointer to htc packet
+ *
+ * Temporarily added to support older WMI events.
+ * We should move all events to unified
+ * when the target is ready to support it.
+ *
+ * Return: none
+ */
+void wmi_control_rx(void *ctx, HTC_PACKET *htc_packet)
+{
+ struct wmi_unified *wmi_handle = (struct wmi_unified *)ctx;
+ wmi_buf_t evt_buf;
+ uint32_t id;
+
+ evt_buf = (wmi_buf_t) htc_packet->pPktContext;
+ id = WMI_GET_FIELD(cdf_nbuf_data(evt_buf), WMI_CMD_HDR, COMMANDID);
+ switch (id) {
+ /*Event will be handled in tasklet ctx*/
+ case WMI_TX_PAUSE_EVENTID:
+ case WMI_WOW_WAKEUP_HOST_EVENTID:
+ case WMI_PDEV_RESUME_EVENTID:
+ case WMI_D0_WOW_DISABLE_ACK_EVENTID:
+ wmi_process_fw_event_tasklet_ctx
+ (wmi_handle, htc_packet);
+ break;
+ /*Event will be handled in worker thread ctx*/
+ case WMI_DEBUG_MESG_EVENTID:
+ case WMI_DFS_RADAR_EVENTID:
+ case WMI_PHYERR_EVENTID:
+ case WMI_PEER_STATE_EVENTID:
+ case WMI_MGMT_RX_EVENTID:
+ case WMI_ROAM_EVENTID:
+ wmi_process_fw_event_worker_thread_ctx
+ (wmi_handle, htc_packet);
+ break;
+ /*Event will be handled in mc_thread ctx*/
+ default:
+ wmi_process_fw_event_mc_thread_ctx
+ (wmi_handle, htc_packet);
+ break;
+ }
+}
+
+/**
+ * wmi_process_fw_event() - process any fw event
+ * @wmi_handle: wmi handle
+ * @evt_buf: fw event buffer
+ *
+ * This function process any fw event to serialize it through mc thread.
+ *
+ * Return: none
+ */
+void wmi_process_fw_event(struct wmi_unified *wmi_handle, wmi_buf_t evt_buf)
+{
+ __wmi_control_rx(wmi_handle, evt_buf);
+}
+
+/**
+ * __wmi_control_rx() - process serialize wmi event callback
+ * @wmi_handle: wmi handle
+ * @evt_buf: fw event buffer
+ *
+ * Return: none
+ */
+void __wmi_control_rx(struct wmi_unified *wmi_handle, wmi_buf_t evt_buf)
+{
+ uint32_t id;
+ uint8_t *data;
+ uint32_t len;
+ void *wmi_cmd_struct_ptr = NULL;
+ int tlv_ok_status = 0;
+
+ id = WMI_GET_FIELD(cdf_nbuf_data(evt_buf), WMI_CMD_HDR, COMMANDID);
+
+ if (cdf_nbuf_pull_head(evt_buf, sizeof(WMI_CMD_HDR)) == NULL)
+ goto end;
+
+ data = cdf_nbuf_data(evt_buf);
+ len = cdf_nbuf_len(evt_buf);
+
+ /* Validate and pad(if necessary) the TLVs */
+ tlv_ok_status = wmitlv_check_and_pad_event_tlvs(wmi_handle->scn_handle,
+ data, len, id,
+ &wmi_cmd_struct_ptr);
+ if (tlv_ok_status != 0) {
+ pr_err("%s: Error: id=0x%d, wmitlv_check_and_pad_tlvs ret=%d\n",
+ __func__, id, tlv_ok_status);
+ goto end;
+ }
+
+ if ((id >= WMI_EVT_GRP_START_ID(WMI_GRP_START)) &&
+ /* WMI_SERVICE_READY_EXT_EVENTID is supposed to be part of the
+ * WMI_GRP_START group. Since the group is out of space, FW
+ * has accomodated this in WMI_GRP_VDEV.
+ * WMI_SERVICE_READY_EXT_EVENTID does not have any specific
+ * event handler registered. So, we do not want to go through
+ * the WMI registered event handler path for this event.
+ */
+ (id != WMI_SERVICE_READY_EXT_EVENTID)) {
+ uint32_t idx = 0;
+
+ idx = wmi_unified_get_event_handler_ix(wmi_handle, id);
+ if (idx == -1) {
+ cdf_print
+ ("%s : event handler is not registered: event id 0x%x\n",
+ __func__, id);
+ goto end;
+ }
+#ifdef WMI_INTERFACE_EVENT_LOGGING
+ cdf_spin_lock_bh(&wmi_handle->wmi_record_lock);
+ /* Exclude 4 bytes of TLV header */
+ if (id == WMI_MGMT_TX_COMPLETION_EVENTID) {
+ WMI_MGMT_EVENT_RECORD(id, ((uint8_t *) data + 4));
+ } else {
+ WMI_EVENT_RECORD(id, ((uint8_t *) data + 4));
+ }
+ cdf_spin_unlock_bh(&wmi_handle->wmi_record_lock);
+#endif
+ /* Call the WMI registered event handler */
+ wmi_handle->event_handler[idx] (wmi_handle->scn_handle,
+ wmi_cmd_struct_ptr, len);
+ goto end;
+ }
+
+ switch (id) {
+ default:
+ cdf_print("%s: Unhandled WMI event %d\n", __func__, id);
+ break;
+ case WMI_SERVICE_READY_EVENTID:
+ cdf_print("%s: WMI UNIFIED SERVICE READY event\n", __func__);
+ wma_rx_service_ready_event(wmi_handle->scn_handle,
+ wmi_cmd_struct_ptr);
+ break;
+ case WMI_SERVICE_READY_EXT_EVENTID:
+ WMA_LOGA("%s: WMI UNIFIED SERVICE READY Extended event",
+ __func__);
+ wma_rx_service_ready_ext_event(wmi_handle->scn_handle,
+ wmi_cmd_struct_ptr);
+ break;
+ case WMI_READY_EVENTID:
+ cdf_print("%s: WMI UNIFIED READY event\n", __func__);
+ wma_rx_ready_event(wmi_handle->scn_handle, wmi_cmd_struct_ptr);
+ break;
+ }
+end:
+ wmitlv_free_allocated_event_tlvs(id, &wmi_cmd_struct_ptr);
+ cdf_nbuf_free(evt_buf);
+}
+
+/**
+ * wmi_rx_event_work() - process rx event in rx work queue context
+ * @work: rx work queue struct
+ *
+ * This function process any fw event to serialize it through rx worker thread.
+ *
+ * Return: none
+ */
+void wmi_rx_event_work(struct work_struct *work)
+{
+ struct wmi_unified *wmi = container_of(work, struct wmi_unified,
+ rx_event_work);
+ wmi_buf_t buf;
+
+ cdf_spin_lock_bh(&wmi->eventq_lock);
+ buf = cdf_nbuf_queue_remove(&wmi->event_queue);
+ cdf_spin_unlock_bh(&wmi->eventq_lock);
+ while (buf) {
+ __wmi_control_rx(wmi, buf);
+ cdf_spin_lock_bh(&wmi->eventq_lock);
+ buf = cdf_nbuf_queue_remove(&wmi->event_queue);
+ cdf_spin_unlock_bh(&wmi->eventq_lock);
+ }
+}
+
+/* WMI Initialization functions */
+
+#ifdef FEATURE_RUNTIME_PM
+/**
+ * wmi_runtime_pm_init() - initialize runtime pm wmi variables
+ * @wmi_handle: wmi context
+ */
+void wmi_runtime_pm_init(struct wmi_unified *wmi_handle)
+{
+ cdf_atomic_init(&wmi_handle->runtime_pm_inprogress);
+}
+#else
+void wmi_runtime_pm_init(struct wmi_unified *wmi_handle)
+{
+}
+#endif
+
+/**
+ * wmi_unified_attach() - attach for unified WMI
+ *
+ * @param scn_handle : handle to SCN.
+ * @wma_process_fw_event_handler_cbk: rx callbacks
+ *
+ * @Return: wmi handle.
+ */
+void *wmi_unified_attach(ol_scn_t scn_handle,
+ wma_process_fw_event_handler_cbk func)
+{
+ struct wmi_unified *wmi_handle;
+
+ wmi_handle =
+ (struct wmi_unified *)os_malloc(NULL,
+ sizeof(struct wmi_unified),
+ GFP_ATOMIC);
+ if (wmi_handle == NULL) {
+ cdf_print("allocation of wmi handle failed %zu \n",
+ sizeof(struct wmi_unified));
+ return NULL;
+ }
+ OS_MEMZERO(wmi_handle, sizeof(struct wmi_unified));
+ wmi_handle->scn_handle = scn_handle;
+ cdf_atomic_init(&wmi_handle->pending_cmds);
+ cdf_atomic_init(&wmi_handle->is_target_suspended);
+ wmi_runtime_pm_init(wmi_handle);
+ cdf_spinlock_init(&wmi_handle->eventq_lock);
+ cdf_nbuf_queue_init(&wmi_handle->event_queue);
+#ifdef CONFIG_CNSS
+ cnss_init_work(&wmi_handle->rx_event_work, wmi_rx_event_work);
+#else
+ INIT_WORK(&wmi_handle->rx_event_work, wmi_rx_event_work);
+#endif
+#ifdef WMI_INTERFACE_EVENT_LOGGING
+ cdf_spinlock_init(&wmi_handle->wmi_record_lock);
+#endif
+ wmi_handle->wma_process_fw_event_handler_cbk = func;
+
+ return wmi_handle;
+}
+
+/**
+ * wmi_unified_detach() - detach for unified WMI
+ *
+ * @wmi_handle : handle to wmi.
+ *
+ * @Return: none.
+ */
+void wmi_unified_detach(struct wmi_unified *wmi_handle)
+{
+ wmi_buf_t buf;
+
+ cds_flush_work(&wmi_handle->rx_event_work);
+ cdf_spin_lock_bh(&wmi_handle->eventq_lock);
+ buf = cdf_nbuf_queue_remove(&wmi_handle->event_queue);
+ while (buf) {
+ cdf_nbuf_free(buf);
+ buf = cdf_nbuf_queue_remove(&wmi_handle->event_queue);
+ }
+ cdf_spin_unlock_bh(&wmi_handle->eventq_lock);
+ if (wmi_handle != NULL) {
+ OS_FREE(wmi_handle);
+ wmi_handle = NULL;
+ }
+}
+
+/**
+ * wmi_unified_remove_work() - detach for WMI work
+ * @wmi_handle: handle to WMI
+ *
+ * A function that does not fully detach WMI, but just remove work
+ * queue items associated with it. This is used to make sure that
+ * before any other processing code that may destroy related contexts
+ * (HTC, etc), work queue processing on WMI has already been stopped.
+ *
+ * Return: None
+ */
+void
+wmi_unified_remove_work(struct wmi_unified *wmi_handle)
+{
+ wmi_buf_t buf;
+
+ CDF_TRACE(CDF_MODULE_ID_WMI, CDF_TRACE_LEVEL_INFO,
+ "Enter: %s", __func__);
+ cds_flush_work(&wmi_handle->rx_event_work);
+ cdf_spin_lock_bh(&wmi_handle->eventq_lock);
+ buf = cdf_nbuf_queue_remove(&wmi_handle->event_queue);
+ while (buf) {
+ cdf_nbuf_free(buf);
+ buf = cdf_nbuf_queue_remove(&wmi_handle->event_queue);
+ }
+ cdf_spin_unlock_bh(&wmi_handle->eventq_lock);
+ CDF_TRACE(CDF_MODULE_ID_WMA, CDF_TRACE_LEVEL_INFO,
+ "Done: %s", __func__);
+}
+
+void wmi_htc_tx_complete(void *ctx, HTC_PACKET *htc_pkt)
+{
+ struct wmi_unified *wmi_handle = (struct wmi_unified *)ctx;
+ wmi_buf_t wmi_cmd_buf = GET_HTC_PACKET_NET_BUF_CONTEXT(htc_pkt);
+#ifdef WMI_INTERFACE_EVENT_LOGGING
+ uint32_t cmd_id;
+#endif
+
+ ASSERT(wmi_cmd_buf);
+#ifdef WMI_INTERFACE_EVENT_LOGGING
+ cmd_id = WMI_GET_FIELD(cdf_nbuf_data(wmi_cmd_buf),
+ WMI_CMD_HDR, COMMANDID);
+
+#ifdef QCA_WIFI_3_0_EMU
+ cdf_print
+ ("\nSent WMI command:%s command_id:0x%x over dma and recieved tx complete interupt\n",
+ get_wmi_cmd_string(cmd_id), cmd_id);
+#endif
+
+ cdf_spin_lock_bh(&wmi_handle->wmi_record_lock);
+ /* Record 16 bytes of WMI cmd tx complete data
+ - exclude TLV and WMI headers */
+ if (cmd_id == WMI_MGMT_TX_SEND_CMDID) {
+ WMI_MGMT_COMMAND_TX_CMP_RECORD(cmd_id,
+ ((uint32_t *) cdf_nbuf_data(wmi_cmd_buf) + 2));
+ } else {
+ WMI_COMMAND_TX_CMP_RECORD(cmd_id,
+ ((uint32_t *) cdf_nbuf_data(wmi_cmd_buf) + 2));
+ }
+
+ cdf_spin_unlock_bh(&wmi_handle->wmi_record_lock);
+#endif
+ cdf_nbuf_free(wmi_cmd_buf);
+ cdf_mem_free(htc_pkt);
+ cdf_atomic_dec(&wmi_handle->pending_cmds);
+}
+
+/**
+ * wmi_get_host_credits() - WMI API to get updated host_credits
+ *
+ * @wmi_handle: handle to WMI.
+ *
+ * @Return: updated host_credits.
+ */
+int
+wmi_unified_connect_htc_service(struct wmi_unified *wmi_handle,
+ void *htc_handle)
+{
+
+ int status;
+ HTC_SERVICE_CONNECT_RESP response;
+ HTC_SERVICE_CONNECT_REQ connect;
+
+ OS_MEMZERO(&connect, sizeof(connect));
+ OS_MEMZERO(&response, sizeof(response));
+
+ /* meta data is unused for now */
+ connect.pMetaData = NULL;
+ connect.MetaDataLength = 0;
+ /* these fields are the same for all service endpoints */
+ connect.EpCallbacks.pContext = wmi_handle;
+ connect.EpCallbacks.EpTxCompleteMultiple =
+ NULL /* Control path completion ar6000_tx_complete */;
+ connect.EpCallbacks.EpRecv = wmi_control_rx /* Control path rx */;
+ connect.EpCallbacks.EpRecvRefill = NULL /* ar6000_rx_refill */;
+ connect.EpCallbacks.EpSendFull = NULL /* ar6000_tx_queue_full */;
+ connect.EpCallbacks.EpTxComplete =
+ wmi_htc_tx_complete /* ar6000_tx_queue_full */;
+
+ /* connect to control service */
+ connect.service_id = WMI_CONTROL_SVC;
+ status = htc_connect_service(htc_handle, &connect,
+ &response);
+
+ if (status != EOK) {
+ cdf_print
+ ("Failed to connect to WMI CONTROL service status:%d \n",
+ status);
+ return status;
+ }
+ wmi_handle->wmi_endpoint_id = response.Endpoint;
+ wmi_handle->htc_handle = htc_handle;
+ wmi_handle->max_msg_len = response.MaxMsgLength;
+
+ return EOK;
+}
+
+/**
+ * wmi_get_host_credits() - WMI API to get updated host_credits
+ *
+ * @wmi_handle: handle to WMI.
+ *
+ * @Return: updated host_credits.
+ */
+int wmi_get_host_credits(wmi_unified_t wmi_handle)
+{
+ int host_credits;
+
+ htc_get_control_endpoint_tx_host_credits(wmi_handle->htc_handle,
+ &host_credits);
+ return host_credits;
+}
+
+/**
+ * wmi_get_pending_cmds() - WMI API to get WMI Pending Commands in the HTC queue
+ *
+ * @wmi_handle: handle to WMI.
+ *
+ * @Return: Pending Commands in the HTC queue.
+ */
+int wmi_get_pending_cmds(wmi_unified_t wmi_handle)
+{
+ return cdf_atomic_read(&wmi_handle->pending_cmds);
+}
+
+/**
+ * wmi_set_target_suspend() - WMI API to set target suspend state
+ *
+ * @wmi_handle: handle to WMI.
+ * @val: suspend state boolean.
+ *
+ * @Return: none.
+ */
+void wmi_set_target_suspend(wmi_unified_t wmi_handle, A_BOOL val)
+{
+ cdf_atomic_set(&wmi_handle->is_target_suspended, val);
+}
+
+#ifdef FEATURE_RUNTIME_PM
+void wmi_set_runtime_pm_inprogress(wmi_unified_t wmi_handle, A_BOOL val)
+{
+ cdf_atomic_set(&wmi_handle->runtime_pm_inprogress, val);
+}
+
+inline bool wmi_get_runtime_pm_inprogress(wmi_unified_t wmi_handle)
+{
+ return cdf_atomic_read(&wmi_handle->runtime_pm_inprogress);
+}
+#endif