feat(bt/bluedroid): support Classic Bluetooth PAN profile

- Port part of PAN/BNEP code from Android - Add ESP API and BTC layer
2026-10-03 03:31:41 +03:00 · 2026-08-17 19:52:21 +08:00
parent 062a6949ad
commit 4f54340e51
34 changed files with 10485 additions and 8 deletions
@@ -0,0 +1,133 @@
+/******************************************************************************
+ *
+ *  Copyright (C) 2001-2012 Broadcom Corporation
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at:
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ *  This file contains internally used PAN definitions
+ *
+ ******************************************************************************/
+
+#ifndef PAN_INT_H
+#define PAN_INT_H
+
+#include "common/bt_target.h"
+
+#if (PAN_INCLUDED == TRUE)
+
+#include "stack/pan_api.h"
+
+/*
+ * This role is used to shutdown the profile. Used internally
+ * Applications should call PAN_Deregister to shutdown the profile
+ */
+#define PAN_ROLE_INACTIVE 0
+
+/* Protocols supported by the host internal stack, are registered with SDP */
+#define PAN_PROTOCOL_IP 0x0800
+#define PAN_PROTOCOL_ARP 0x0806
+
+#define PAN_PROFILE_VERSION 0x0100 /* Version 1.00 */
+
+/* Define the PAN Connection Control Block
+ */
+typedef struct {
+#define PAN_STATE_IDLE 0
+#define PAN_STATE_CONN_START 1
+#define PAN_STATE_CONNECTED 2
+    UINT8 con_state;
+
+#define PAN_FLAGS_CONN_COMPLETED 0x01
+    UINT8 con_flags;
+
+    UINT16 handle;
+    BD_ADDR rem_bda;
+
+    UINT16 bad_pkts_rcvd;
+    UINT16 src_uuid;
+    UINT16 dst_uuid;
+    UINT16 prv_src_uuid;
+    UINT16 prv_dst_uuid;
+    UINT16 ip_addr_known;
+    UINT32 ip_addr;
+
+} tPAN_CONN;
+
+/*  The main PAN control block
+ */
+typedef struct {
+    UINT8 role;
+    UINT8 active_role;
+    UINT8 prv_active_role;
+    tPAN_CONN pcb[MAX_PAN_CONNS];
+
+    tPAN_CONN_STATE_CB *pan_conn_state_cb; /* Connection state callback */
+    tPAN_BRIDGE_REQ_CB *pan_bridge_req_cb;
+    tPAN_DATA_IND_CB *pan_data_ind_cb;
+    tPAN_DATA_BUF_IND_CB *pan_data_buf_ind_cb;
+    tPAN_FILTER_IND_CB *pan_pfilt_ind_cb;  /* protocol filter indication callback */
+    tPAN_MFILTER_IND_CB *pan_mfilt_ind_cb; /* multicast filter indication callback */
+    tPAN_TX_DATA_FLOW_CB *pan_tx_data_flow_cb;
+
+    char *user_service_name;
+    char *gn_service_name;
+    char *nap_service_name;
+    UINT32 pan_user_sdp_handle;
+    UINT32 pan_gn_sdp_handle;
+    UINT32 pan_nap_sdp_handle;
+    UINT8 num_conns;
+    UINT8 trace_level;
+} tPAN_CB;
+
+/* Global PAN data
+ */
+extern tPAN_CB pan_cb;
+
+/******************************************************************************/
+extern void pan_register_with_bnep(void);
+extern void pan_conn_ind_cb(UINT16 handle, BD_ADDR p_bda,
+                            tBT_UUID *remote_uuid, tBT_UUID *local_uuid,
+                            BOOLEAN is_role_change);
+extern void pan_connect_state_cb(UINT16 handle, BD_ADDR rem_bda,
+                                 tBNEP_RESULT result, BOOLEAN is_role_change);
+extern void pan_data_ind_cb(UINT16 handle, BD_ADDR src,
+                            BD_ADDR dst, UINT16 protocol,
+                            UINT8 *p_data, UINT16 len, BOOLEAN fw_ext_present);
+extern void pan_data_buf_ind_cb(UINT16 handle, BD_ADDR src,
+                                BD_ADDR dst, UINT16 protocol,
+                                BT_HDR *p_buf, BOOLEAN ext);
+extern void pan_tx_data_flow_cb(UINT16 handle, tBNEP_RESULT event);
+void pan_proto_filt_ind_cb(UINT16 handle, BOOLEAN indication,
+                           tBNEP_RESULT result, UINT16 num_filters,
+                           UINT8 *p_filters);
+void pan_mcast_filt_ind_cb(UINT16 handle, BOOLEAN indication,
+                           tBNEP_RESULT result, UINT16 num_filters,
+                           UINT8 *p_filters);
+extern UINT32 pan_register_with_sdp(UINT16 uuid, UINT8 sec_mask,
+                                    const char *p_name, const char *p_desc);
+extern tPAN_CONN *pan_allocate_pcb(BD_ADDR p_bda, UINT16 handle);
+extern tPAN_CONN *pan_get_pcb_by_handle(UINT16 handle);
+extern tPAN_CONN *pan_get_pcb_by_addr(BD_ADDR p_bda);
+extern void pan_close_all_connections(void);
+extern void pan_release_pcb(tPAN_CONN *p_pcb);
+extern void pan_dump_status(void);
+
+/******************************************************************************/
+
+#endif /* (PAN_INCLUDED == TRUE) */
+
+#endif