From 0b3db9a0dfe8c1824164584dc465052507f31943 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Krzysztof=20Kopy=C5=9Bci=C5=84ski?=
 <krzysztof.kopyscinski@codecoup.pl>
Date: Tue, 17 Nov 2020 07:59:44 +0100
Subject: [PATCH] mesh: add bt_mesh_friend_terminate() function

This function allows to terminate friendship manually.
---
 nimble/host/mesh/include/mesh/main.h | 10 ++++++++++
 nimble/host/mesh/src/friend.c        | 14 ++++++++++++++
 2 files changed, 24 insertions(+)

diff --git a/nimble/host/mesh/include/mesh/main.h b/nimble/host/mesh/include/mesh/main.h
index 042b59a5a..c0ef04da7 100644
--- a/nimble/host/mesh/include/mesh/main.h
+++ b/nimble/host/mesh/include/mesh/main.h
@@ -432,6 +432,16 @@ int bt_mesh_lpn_poll(void);
  */
 void bt_mesh_lpn_set_cb(void (*cb)(uint16_t friend_addr, bool established));
 
+/** @brief Terminate Friendship.
+ *
+ *  Terminated Friendship for given LPN.
+ *
+ *  @param lpn_addr Low Power Node address.
+ *
+ *  @return Zero on success or (negative) error code otherwise.
+ */
+int bt_mesh_friend_terminate(uint16_t lpn_addr);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/nimble/host/mesh/src/friend.c b/nimble/host/mesh/src/friend.c
index ed6e69dd9..58dd6d358 100644
--- a/nimble/host/mesh/src/friend.c
+++ b/nimble/host/mesh/src/friend.c
@@ -1693,6 +1693,20 @@ bool bt_mesh_friend_enqueue_tx(struct bt_mesh_net_tx *tx,
 	return matched;
 }
 
+int bt_mesh_friend_terminate(uint16_t lpn_addr)
+{
+	struct bt_mesh_friend *frnd;
+
+	frnd = bt_mesh_friend_find(BT_MESH_KEY_ANY, lpn_addr, false, false);
+	if (!frnd) {
+		return -ENOENT;
+	}
+
+	friend_clear(frnd);
+
+	return 0;
+}
+
 void bt_mesh_friend_clear_incomplete(struct bt_mesh_subnet *sub, uint16_t src,
 				     uint16_t dst, uint64_t *seq_auth)
 {