qcacld-3.0: Update NSS for SAP dynamically

Currently host driver does not support dynamic NSS update for
SAP. Based on new requirement update NSS for SAP.
To achieve this requirement, add a logic to update the NSS and
restart the SAP with the updated NSS based on the ini.

Change-Id: Ie770b1103ba4050c48cd4ba3674a5e0d89c86fdf
CRs-Fixed: 3307308

components/mlme/dispatcher/inc/cfg_mlme_nss_chains.h

@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2012-2018, 2020 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2022 Qualcomm Innovation Center, Inc. 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
@@ -554,6 +555,27 @@
 					1, \
 					"enable dynamic nss chain config")
 
+/*
+ * <ini>
+ * restart_sap_on_dynamic_nss_chains_config - Decide whether SAP needs to be
+ * restarted on dynamic nss chains update
+ * @Min: 0
+ * @Max: 1
+ * @Default: 0
+ *
+ * Related: SAP/P2P.
+ *
+ * Supported Feature: Dynamic chainmask
+ *
+ * Usage: External
+ *
+ * </ini>
+ */
+#define CFG_RESTART_SAP_ON_DYNAMIC_NSS_CHAINS_CONFIG CFG_INI_BOOL( \
+				"restart_sap_on_dynamic_nss_chains_config", \
+				0, \
+				"Restart SAP on dynamic nss chain config")
+
 #define CFG_NSS_CHAINS_ALL \
 	CFG(CFG_NUM_TX_CHAINS_2G) \
 	CFG(CFG_NUM_TX_CHAINS_5G) \
@@ -570,7 +592,8 @@
 	CFG(CFG_DISABLE_RX_MRC_2G) \
 	CFG(CFG_DISABLE_TX_MRC_5G) \
 	CFG(CFG_DISABLE_RX_MRC_5G) \
-	CFG(CFG_ENABLE_DYNAMIC_NSS_CHAIN_CONFIG)
+	CFG(CFG_ENABLE_DYNAMIC_NSS_CHAIN_CONFIG) \
+	CFG(CFG_RESTART_SAP_ON_DYNAMIC_NSS_CHAINS_CONFIG)
 
 #endif /* __CFG_MLME_NSS_CHAINS */
 

components/mlme/dispatcher/inc/wlan_mlme_api.h

@@ -2230,6 +2230,22 @@ QDF_STATUS
 wlan_mlme_get_enable_dynamic_nss_chains_cfg(struct wlan_objmgr_psoc *psoc,
 					    bool *value);
 
+/**
+ * wlan_mlme_get_restart_sap_on_dynamic_nss_chains_cfg() - API to get whether
+ * SAP needs to be restarted or not on dynamic nss chain config
+ * @psoc: psoc context
+ * @value: data to be set
+ *
+ * API to get whether SAP needs to be restarted or not on dynamic nss chain
+ * config
+ *
+ * Return: QDF_STATUS_SUCCESS or QDF_STATUS_FAILURE
+ */
+QDF_STATUS
+wlan_mlme_get_restart_sap_on_dynamic_nss_chains_cfg(
+						struct wlan_objmgr_psoc *psoc,
+						bool *value);
+
 /**
  * wlan_mlme_get_vht_enable2x2() - Enables/disables VHT Tx/Rx MCS values for 2x2
  * @psoc: psoc context

components/mlme/dispatcher/inc/wlan_mlme_public_struct.h

@@ -1609,6 +1609,8 @@ enum dot11p_mode {
  * @disable_rx_mrc:                  disable 2 rx chains, in rx nss 1 mode
  * @disable_tx_mrc:                  disable 2 tx chains, in tx nss 1 mode
  * @enable_dynamic_nss_chains_cfg:   enable the dynamic nss chain config to FW
+ * @restart_sap_on_dyn_nss_chains_cfg: restart SAP on dynamic NSS chains
+ * update
  */
 struct wlan_mlme_nss_chains {
 	uint32_t num_tx_chains[NSS_CHAINS_BAND_MAX];
@@ -1621,6 +1623,7 @@ struct wlan_mlme_nss_chains {
 	bool disable_rx_mrc[NSS_CHAINS_BAND_MAX];
 	bool disable_tx_mrc[NSS_CHAINS_BAND_MAX];
 	bool enable_dynamic_nss_chains_cfg;
+	bool restart_sap_on_dyn_nss_chains_cfg;
 };
 
 /**

components/mlme/dispatcher/inc/wlan_mlme_ucfg_api.h

@@ -2605,6 +2605,25 @@ ucfg_mlme_get_enable_dynamic_nss_chains_cfg(struct wlan_objmgr_psoc *psoc,
 	return wlan_mlme_get_enable_dynamic_nss_chains_cfg(psoc, value);
 }
 
+/**
+ * ucfg_mlme_get_restart_sap_on_dynamic_nss_chains_cfg() - API to get whether
+ * SAP needs to be restarted or not on dynamic nss chain config
+ * @psoc: psoc context
+ * @value: data to be set
+ *
+ * API to get whether SAP needs to be restarted or not on dynamic nss chain
+ * config
+ *
+ * Return: QDF_STATUS_SUCCESS or QDF_STATUS_FAILURE
+ */
+static inline QDF_STATUS
+ucfg_mlme_get_restart_sap_on_dynamic_nss_chains_cfg(
+					struct wlan_objmgr_psoc *psoc,
+					bool *value)
+{
+	return wlan_mlme_get_restart_sap_on_dynamic_nss_chains_cfg(psoc, value);
+}
+
 /**
  * ucfg_mlme_get_vht_enable2x2() - Enables/disables VHT Tx/Rx MCS values for 2x2
  * @psoc: psoc context