From c05421bd88c52049bc48118214967ba757af673e Mon Sep 17 00:00:00 2001
From: Shreeyash <shreeyash.bhakare@espressif.com>
Date: Wed, 5 Mar 2025 19:42:56 +0530
Subject: [PATCH] feat(nimble): support vendor event mask set and vendor HCI
 event on nimble host

---
 components/bt/host/nimble/nimble              |  2 +-
 .../nimble/power_save/main/Kconfig.projbuild  | 11 ++++++++
 .../bluetooth/nimble/power_save/main/main.c   | 25 +++++++++++++++++++
 3 files changed, 37 insertions(+), 1 deletion(-)

diff --git a/components/bt/host/nimble/nimble b/components/bt/host/nimble/nimble
index c67396bad6..d6fbbc7d55 160000
--- a/components/bt/host/nimble/nimble
+++ b/components/bt/host/nimble/nimble
@@ -1 +1 @@
-Subproject commit c67396bad6bd4ea23334874b6a9733caee3c7a80
+Subproject commit d6fbbc7d555f00cc55d3cc2455c151d9cff5380a
diff --git a/examples/bluetooth/nimble/power_save/main/Kconfig.projbuild b/examples/bluetooth/nimble/power_save/main/Kconfig.projbuild
index 654baec1d5..028ddfc561 100644
--- a/examples/bluetooth/nimble/power_save/main/Kconfig.projbuild
+++ b/examples/bluetooth/nimble/power_save/main/Kconfig.projbuild
@@ -160,4 +160,15 @@ menu "Example Configuration"
         help
             Used for internal test ONLY.
             Use this option to advertise in a specific random address.
+
+    config EXAMPLE_SLEEP_WAKEUP
+        bool "Enable Vendor-Specific Sleep Wake-Up Event"
+        depends on BT_NIMBLE_VS_SUPPORT
+        default n
+        help
+            When enabled, the Nimble Host allows setting a Vendor-Specific
+            Event Mask for processing sleep wake-up events from the controller.
+            The controller sends a wake-up event (HCI_LE_SLEEP_WAKE_UP 0xFF 0xC3)
+            when it resumes from sleep.
+
 endmenu
diff --git a/examples/bluetooth/nimble/power_save/main/main.c b/examples/bluetooth/nimble/power_save/main/main.c
index c7c385874c..361070a3cd 100644
--- a/examples/bluetooth/nimble/power_save/main/main.c
+++ b/examples/bluetooth/nimble/power_save/main/main.c
@@ -56,6 +56,10 @@ static uint8_t own_addr_type;
 
 void ble_store_config_init(void);
 
+#if MYNEWT_VAL(BLE_HCI_VS)
+static struct ble_gap_event_listener vs_event_listener;
+#endif
+
 #if MYNEWT_VAL(BLE_POWER_CONTROL)
 static struct ble_gap_event_listener power_control_event_listener;
 #endif
@@ -144,6 +148,13 @@ ext_bleprph_advertise(void)
     /* start advertising */
     rc = ble_gap_ext_adv_start(instance, 0, 0);
     assert (rc == 0);
+
+#if CONFIG_EXAMPLE_SLEEP_WAKEUP
+    rc = ble_hs_send_vs_event_mask(ESP_BLE_VENDOR_SLEEP_WAKEUP_EVT_MASK);
+
+    rc = ble_gap_event_listener_register(&vs_event_listener,
+		    bleprph_gap_event,NULL);
+#endif
 }
 #else
 /**
@@ -443,6 +454,20 @@ bleprph_gap_event(struct ble_gap_event *event, void *arg)
         }
         return 0;
 
+#if CONFIG_EXAMPLE_SLEEP_WAKEUP
+    case BLE_GAP_EVENT_VS_HCI:
+	const struct ble_hci_ev_vs *ev = event->vs_hci.ev;
+
+	switch(ev->id) {
+            case BLE_HCI_VS_SUBEV_LE_SLEEP_WAKE_UP:
+	        MODLOG_DFLT(INFO, "Got Sleep wake up ");
+		break;
+
+	    default:
+		break;
+	}
+#endif
+
     }
 
     return 0;