diff --git a/core/hdd/inc/wlan_hdd_cfg.h b/core/hdd/inc/wlan_hdd_cfg.h
index f8c95dd12687..ce57606864cc 100644
--- a/core/hdd/inc/wlan_hdd_cfg.h
+++ b/core/hdd/inc/wlan_hdd_cfg.h
@@ -7101,6 +7101,53 @@ typedef enum {
 #define CFG_TX_CHAIN_MASK_1SS_MAX      (3)
 #define CFG_TX_CHAIN_MASK_1SS_DEFAULT  (1)
 
+/*
+ * <ini>
+ * gEnableSmartChainmask - Enable Smart Chainmask
+ * @Min: 0
+ * @Max: 1
+ * @Default: 0
+ *
+ * This ini is used to enable/disable the Smart Chainmask feature via
+ * the WMI_PDEV_PARAM_SMART_CHAINMASK_SCHEME firmware parameter.
+ *
+ * Related: None
+ *
+ * Supported Feature: STA
+ *
+ * Usage: Internal/External
+ *
+ * </ini>
+ */
+#define CFG_ENABLE_SMART_CHAINMASK_NAME    "gEnableSmartChainmask"
+#define CFG_ENABLE_SMART_CHAINMASK_MIN     (0)
+#define CFG_ENABLE_SMART_CHAINMASK_MAX     (1)
+#define CFG_ENABLE_SMART_CHAINMASK_DEFAULT (0)
+
+/*
+ * <ini>
+ * gEnableAlternativeChainmask - Enable Co-Ex Alternative Chainmask
+ * @Min: 0
+ * @Max: 1
+ * @Default: 0
+ *
+ * This ini is used to enable/disable the Co-ex Alternative Chainmask
+ * feature via the WMI_PDEV_PARAM_ALTERNATIVE_CHAINMASK_SCHEME
+ * firmware parameter.
+ *
+ * Related: None
+ *
+ * Supported Feature: STA
+ *
+ * Usage: Internal/External
+ *
+ * </ini>
+ */
+#define CFG_ENABLE_COEX_ALT_CHAINMASK_NAME    "gEnableAlternativeChainmask"
+#define CFG_ENABLE_COEX_ALT_CHAINMASK_MIN     (0)
+#define CFG_ENABLE_COEX_ALT_CHAINMASK_MAX     (1)
+#define CFG_ENABLE_COEX_ALT_CHAINMASK_DEFAULT (0)
+
 /*
  * set the self gen power value from
  * 0 to 0xffff
@@ -9351,6 +9398,8 @@ struct hdd_config {
 	uint32_t dual_mac_feature_disable;
 	bool     tx_chain_mask_cck;
 	uint8_t  tx_chain_mask_1ss;
+	bool smart_chainmask_enabled;
+	bool alternative_chainmask_enabled;
 	uint16_t  self_gen_frm_pwr;
 #ifdef FEATURE_WLAN_SCAN_PNO
 	bool pno_channel_prediction;
diff --git a/core/hdd/src/wlan_hdd_cfg.c b/core/hdd/src/wlan_hdd_cfg.c
index 619daf756808..d2e669b88bbc 100644
--- a/core/hdd/src/wlan_hdd_cfg.c
+++ b/core/hdd/src/wlan_hdd_cfg.c
@@ -3679,6 +3679,20 @@ REG_TABLE_ENTRY g_registry_table[] = {
 		     CFG_TX_CHAIN_MASK_1SS_MIN,
 		     CFG_TX_CHAIN_MASK_1SS_MAX),
 
+	REG_VARIABLE(CFG_ENABLE_SMART_CHAINMASK_NAME, WLAN_PARAM_Integer,
+		     struct hdd_config, smart_chainmask_enabled,
+		     VAR_FLAGS_OPTIONAL | VAR_FLAGS_RANGE_CHECK_ASSUME_DEFAULT,
+		     CFG_ENABLE_SMART_CHAINMASK_DEFAULT,
+		     CFG_ENABLE_SMART_CHAINMASK_MIN,
+		     CFG_ENABLE_SMART_CHAINMASK_MAX),
+
+	REG_VARIABLE(CFG_ENABLE_COEX_ALT_CHAINMASK_NAME, WLAN_PARAM_Integer,
+		     struct hdd_config, alternative_chainmask_enabled,
+		     VAR_FLAGS_OPTIONAL | VAR_FLAGS_RANGE_CHECK_ASSUME_DEFAULT,
+		     CFG_ENABLE_COEX_ALT_CHAINMASK_DEFAULT,
+		     CFG_ENABLE_COEX_ALT_CHAINMASK_MIN,
+		     CFG_ENABLE_COEX_ALT_CHAINMASK_MAX),
+
 	REG_VARIABLE(CFG_SELF_GEN_FRM_PWR, WLAN_PARAM_Integer,
 		     struct hdd_config, self_gen_frm_pwr,
 		     VAR_FLAGS_OPTIONAL | VAR_FLAGS_RANGE_CHECK_ASSUME_DEFAULT,
diff --git a/core/hdd/src/wlan_hdd_main.c b/core/hdd/src/wlan_hdd_main.c
index acd9105fd882..595768407ab4 100644
--- a/core/hdd/src/wlan_hdd_main.c
+++ b/core/hdd/src/wlan_hdd_main.c
@@ -7907,6 +7907,37 @@ static void hdd_tsf_init(hdd_context_t *hdd_ctx)
 }
 #endif
 
+static int hdd_set_smart_chainmask_enabled(hdd_context_t *hdd_ctx)
+{
+	int vdev_id = 0;
+	int param_id = WMI_PDEV_PARAM_SMART_CHAINMASK_SCHEME;
+	int value = hdd_ctx->config->smart_chainmask_enabled;
+	int vpdev = PDEV_CMD;
+	int ret;
+
+	ret = wma_cli_set_command(vdev_id, param_id, value, vpdev);
+	if (ret)
+		hdd_err("WMI_PDEV_PARAM_SMART_CHAINMASK_SCHEME failed %d", ret);
+
+	return ret;
+}
+
+static int hdd_set_alternative_chainmask_enabled(hdd_context_t *hdd_ctx)
+{
+	int vdev_id = 0;
+	int param_id = WMI_PDEV_PARAM_ALTERNATIVE_CHAINMASK_SCHEME;
+	int value = hdd_ctx->config->alternative_chainmask_enabled;
+	int vpdev = PDEV_CMD;
+	int ret;
+
+	ret = wma_cli_set_command(vdev_id, param_id, value, vpdev);
+	if (ret)
+		hdd_err("WMI_PDEV_PARAM_ALTERNATIVE_CHAINMASK_SCHEME failed %d",
+			ret);
+
+	return ret;
+}
+
 /**
  * hdd_pre_enable_configure() - Configurations prior to cds_enable
  * @hdd_ctx:	HDD context
@@ -7953,6 +7984,14 @@ static int hdd_pre_enable_configure(hdd_context_t *hdd_ctx)
 		goto out;
 	}
 
+	ret = hdd_set_smart_chainmask_enabled(hdd_ctx);
+	if (ret)
+		goto out;
+
+	ret = hdd_set_alternative_chainmask_enabled(hdd_ctx);
+	if (ret)
+		goto out;
+
 	hdd_program_country_code(hdd_ctx);
 
 	status = hdd_set_sme_chan_list(hdd_ctx);