qcacld-3.0: Add a new feature to support forced dtim

Add vendor command interface/feature through which the user
or vendor can set the dtim count as per their requirement.

Change-Id: I26010948c4ed7e3c49bfe0453119235d4f438c6f
CRs-Fixed: 2894349

components/pmo/core/inc/wlan_pmo_suspend_resume.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2018, 2020 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2017-2018, 2020-2021 The Linux Foundation. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -348,6 +348,18 @@ QDF_STATUS pmo_core_txrx_suspend(struct wlan_objmgr_psoc *psoc);
  * Return: QDF_STATUS
  */
 QDF_STATUS pmo_core_txrx_resume(struct wlan_objmgr_psoc *psoc);
+
+/**
+ * pmo_core_config_forced_dtim() - function to configure forced dtim
+ * @vdev: objmgr vdev handle
+ * @dynamic_dtim: dynamic dtim value passed by user
+ *
+ * This function configures the forced modulated dtim in firmware
+ *
+ * Return: QDF_STATUS
+ */
+QDF_STATUS pmo_core_config_forced_dtim(struct wlan_objmgr_vdev *vdev,
+				       uint32_t dynamic_dtim);
 #endif /* WLAN_POWER_MANAGEMENT_OFFLOAD */
 
 #endif /* end  of _WLAN_PMO_SUSPEND_RESUME_H_ */

components/pmo/core/src/wlan_pmo_main.c

@@ -186,6 +186,7 @@ static void wlan_pmo_init_cfg(struct wlan_objmgr_psoc *psoc,
 	psoc_cfg->sta_mod_dtim = cfg_get(psoc, CFG_PMO_ENABLE_MODULATED_DTIM);
 	psoc_cfg->enable_mc_list = cfg_get(psoc, CFG_PMO_MC_ADDR_LIST_ENABLE);
 	psoc_cfg->power_save_mode = cfg_get(psoc, CFG_PMO_POWERSAVE_MODE);
+	psoc_cfg->sta_forced_dtim = cfg_get(psoc, CFG_PMO_ENABLE_FORCED_DTIM);
 	psoc_cfg->is_mod_dtim_on_sys_suspend_enabled =
 			cfg_get(psoc, CFG_PMO_MOD_DTIM_ON_SYS_SUSPEND);
 	psoc_cfg->is_bus_suspend_enabled_in_sap_mode =

components/pmo/core/src/wlan_pmo_suspend_resume.c

@@ -816,6 +816,10 @@ pmo_core_enable_wow_in_fw(struct wlan_objmgr_psoc *psoc,
 		param.flags |= WMI_WOW_FLAG_MOD_DTIM_ON_SYS_SUSPEND;
 	}
 
+	if (psoc_cfg->sta_forced_dtim) {
+		pmo_info("forced DTIM enabled");
+		param.flags |= WMI_WOW_FLAG_FORCED_DTIM_ON_SYS_SUSPEND;
+	}
 	status = pmo_tgt_psoc_send_wow_enable_req(psoc, &param);
 	if (status != QDF_STATUS_SUCCESS) {
 		pmo_err("Failed to enable wow in fw");
@@ -1683,6 +1687,34 @@ out:
 	return status;
 }
 
+QDF_STATUS pmo_core_config_forced_dtim(struct wlan_objmgr_vdev *vdev,
+				       uint32_t dynamic_dtim)
+{
+	struct pmo_vdev_priv_obj *vdev_ctx;
+	uint8_t vdev_id;
+	QDF_STATUS status;
+
+	vdev_id = pmo_vdev_get_id(vdev);
+	vdev_ctx = pmo_vdev_get_priv(vdev);
+
+	qdf_spin_lock_bh(&vdev_ctx->pmo_vdev_lock);
+	vdev_ctx->dyn_modulated_dtim = dynamic_dtim;
+	vdev_ctx->dyn_modulated_dtim_enabled = dynamic_dtim >= 1;
+	qdf_spin_unlock_bh(&vdev_ctx->pmo_vdev_lock);
+
+	status = pmo_tgt_vdev_update_param_req(vdev,
+					       pmo_vdev_param_forced_dtim_count,
+					       dynamic_dtim);
+
+	if (QDF_IS_STATUS_ERROR(status)) {
+		pmo_err("Failed to set forced DTIM for vdev id %d",
+			vdev_id);
+	}
+
+	wlan_objmgr_vdev_release_ref(vdev, WLAN_PMO_ID);
+	return status;
+}
+
 QDF_STATUS pmo_core_config_modulated_dtim(struct wlan_objmgr_vdev *vdev,
 					  uint32_t mod_dtim)
 {
@@ -1706,6 +1738,9 @@ QDF_STATUS pmo_core_config_modulated_dtim(struct wlan_objmgr_vdev *vdev,
 	vdev_ctx = pmo_vdev_get_priv(vdev);
 	psoc_cfg = &vdev_ctx->pmo_psoc_ctx->psoc_cfg;
 
+	if (psoc_cfg->sta_forced_dtim)
+		return pmo_core_config_forced_dtim(vdev, mod_dtim);
+
 	/* Calculate Maximum allowed modulated DTIM */
 	beacon_interval_mod =
 		pmo_core_get_vdev_beacon_interval(vdev) / 100;

components/pmo/dispatcher/inc/wlan_pmo_common_cfg.h

@@ -247,6 +247,28 @@
 	0, \
 	"Modulated DTIM on System suspend wow")
 
+/*
+ * <ini>
+ * gEnableForcedDTIM - Enable/Disable forced DTIM feature
+ * @Min: 0
+ * @Max: 1
+ * @Default: 0
+ *
+ * This ini is used to enable/disable forced DTIM feature.
+ *
+ * 0 - Disable forced DTIM.
+ * 1 - Enable forced DTIM
+ *
+ *
+ * Usage: External
+ *
+ * </ini>
+ */
+#define CFG_PMO_ENABLE_FORCED_DTIM CFG_INI_BOOL( \
+	"gEnableForcedDTIM", \
+	0, \
+	"Enable/disable Forced DTIM feature")
+
 /*
  * <ini>
  * gMaxPsPoll - Max powersave poll
@@ -468,6 +490,7 @@
 	CFG(CFG_PMO_ENABLE_HOST_NSOFFLOAD) \
 	CFG(CFG_PMO_ENABLE_DYNAMIC_DTIM) \
 	CFG(CFG_PMO_ENABLE_MODULATED_DTIM) \
+	CFG(CFG_PMO_ENABLE_FORCED_DTIM) \
 	CFG(CFG_PMO_MC_ADDR_LIST_ENABLE) \
 	CFG(CFG_PMO_POWERSAVE_MODE) \
 	CFG(CFG_PMO_MAX_PS_POLL) \

components/pmo/dispatcher/inc/wlan_pmo_common_public_struct.h

@@ -55,11 +55,13 @@
  * enum pmo_vdev_param_id: tell vdev param id
  * @pmo_vdev_param_listen_interval: vdev listen interval param id
  * @pmo_vdev_param_dtim_policy: vdev param dtim policy
+ * @pmo_vdev_param_forced_dtim_count: vdev param forced dtim count
  * @pmo_vdev_max_param: Max vdev param id
  */
 enum pmo_vdev_param_id {
 	pmo_vdev_param_listen_interval = 0,
 	pmo_vdev_param_dtim_policy,
+	pmo_vdev_param_forced_dtim_count,
 	pmo_vdev_max_param
 };
 
@@ -275,6 +277,7 @@ enum active_apf_mode {
  * @sta_dynamic_dtim: station dynamic DTIM value
  * @sta_mod_dtim: station modulated DTIM value
  * @sta_max_li_mod_dtim: station max listen interval DTIM value
+ * @sta_forced_dtim: station forced DTIM value
  * @wow_enable: enable wow with majic pattern match or pattern byte match
  * @power_save_mode: power save mode for psoc
  * @runtime_pm_delay: set runtime pm's inactivity timer
@@ -333,6 +336,7 @@ struct pmo_psoc_cfg {
 	uint8_t sta_dynamic_dtim;
 	uint8_t sta_mod_dtim;
 	uint8_t sta_max_li_mod_dtim;
+	bool sta_forced_dtim;
 	enum pmo_wow_enable_type wow_enable;
 	enum powersave_mode power_save_mode;
 	enum powersave_mode default_power_save_mode;

components/target_if/pmo/src/target_if_pmo_suspend_resume.c

@@ -65,6 +65,9 @@ QDF_STATUS target_if_pmo_send_vdev_update_param_req(
 	case pmo_vdev_param_dtim_policy:
 		param_id = WMI_VDEV_PARAM_DTIM_POLICY;
 		break;
+	case pmo_vdev_param_forced_dtim_count:
+		param_id = WMI_VDEV_PARAM_FORCE_DTIM_CNT;
+		break;
 	default:
 		target_if_err("invalid vdev param id %d", param_id);
 		return QDF_STATUS_E_INVAL;