From a31aafb14c0bf6525f27d58bd1f65860f0f55782 Mon Sep 17 00:00:00 2001
From: Prasad Alatkar <prasad.alatkar@espressif.com>
Date: Tue, 5 Jan 2021 20:33:03 +0530
Subject: [PATCH] NimBLE host: Add API to remove address from whitelist

---
 nimble/host/include/host/ble_gap.h |  9 +++++++++
 nimble/host/src/ble_gap.c          | 17 +++++++++++++++++
 2 files changed, 26 insertions(+)

diff --git a/nimble/host/include/host/ble_gap.h b/nimble/host/include/host/ble_gap.h
index d99d424e8..ed7fbb128 100644
--- a/nimble/host/include/host/ble_gap.h
+++ b/nimble/host/include/host/ble_gap.h
@@ -1791,6 +1791,15 @@ int ble_gap_terminate(uint16_t conn_handle, uint8_t hci_reason);
  */
 int ble_gap_wl_set(const ble_addr_t *addrs, uint8_t white_list_count);
 
+/**
+ * Removes the address from controller's white list.
+ *
+ * @param addrs                 The entry to be removed from the white list.
+ *
+ * @return                      0 on success; nonzero on failure.
+ */
+int ble_gap_wl_tx_rmv(const ble_addr_t *addrs);
+
 /**
  * Initiates a connection parameter update procedure.
  *
diff --git a/nimble/host/src/ble_gap.c b/nimble/host/src/ble_gap.c
index a5f45e613..9e275c54f 100644
--- a/nimble/host/src/ble_gap.c
+++ b/nimble/host/src/ble_gap.c
@@ -2110,6 +2110,23 @@ ble_gap_wl_tx_clear(void)
 }
 #endif
 
+int
+ble_gap_wl_tx_rmv(const ble_addr_t *addr)
+{
+    struct ble_hci_le_rmv_white_list_cp cmd;
+
+    if (addr->type > BLE_ADDR_RANDOM) {
+        return BLE_HS_EINVAL;
+    }
+
+    memcpy(cmd.addr, addr->val, BLE_DEV_ADDR_LEN);
+    cmd.addr_type = addr->type;
+
+    return ble_hs_hci_cmd_tx(BLE_HCI_OP(BLE_HCI_OGF_LE,
+                                        BLE_HCI_OCF_LE_RMV_WHITE_LIST),
+                             &cmd, sizeof(cmd), NULL, 0);
+}
+
 int
 ble_gap_wl_set(const ble_addr_t *addrs, uint8_t white_list_count)
 {