host/pvcy: reset state when stopping host

Without this fix, connections were not automatically resolved after
stopping/starting the host/controller.

Signed-off-by: Gerard Marull-Paretas <gerard@teslabs.com>

Author: gmarull

nimble/host/src/ble_hs_pvcy.c

@@ -261,3 +261,10 @@ ble_hs_pvcy_set_mode(const ble_addr_t *addr, uint8_t priv_mode)
                                         BLE_HCI_OCF_LE_SET_PRIVACY_MODE),
                              &cmd, sizeof(cmd), NULL, 0);
 }
+
+void
+ble_hs_pvcy_reset(void)
+{
+    ble_hs_pvcy_started = 0;
+    memset(ble_hs_pvcy_irk, 0, sizeof(ble_hs_pvcy_irk));
+}

nimble/host/src/ble_hs_pvcy_priv.h

@@ -35,6 +35,7 @@ int ble_hs_pvcy_add_entry(const uint8_t *addr, uint8_t addrtype,
                           const uint8_t *irk);
 int ble_hs_pvcy_ensure_started(void);
 int ble_hs_pvcy_set_mode(const ble_addr_t *addr, uint8_t priv_mode);
+void ble_hs_pvcy_reset(void);
 
 #ifdef __cplusplus
 }

nimble/host/src/ble_hs_stop.c

@@ -74,6 +74,8 @@ ble_hs_stop_done(int status)
     /* After LL reset the controller loses its random address */
     ble_hs_id_reset();
 
+    ble_hs_pvcy_reset();
+
     /* Clear advertising, scanning and connection states. */
     ble_gap_reset_state(0);