l2c_main.c revision 91fbc7e560bb9c9f344980a18983d32e51f0360a
15738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/****************************************************************************** 25738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 35738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * Copyright (C) 1999-2012 Broadcom Corporation 45738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 55738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 65738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * you may not use this file except in compliance with the License. 75738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * You may obtain a copy of the License at: 85738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 95738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * See the License for the specific language governing permissions and 155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * limitations under the License. 165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project ******************************************************************************/ 185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/****************************************************************************** 205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 215738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * This file contains the main L2CAP entry points 225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project ******************************************************************************/ 245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include <stdlib.h> 265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include <string.h> 275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include <stdio.h> 285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 2979ecab5d0418fde77e9afcdd451bd713af73e180Chris Manton#include "device/include/controller.h" 3095b74f252f534ec757aab1fc08e086e02b2cfe8dSharvil Nanavati#include "btcore/include/counter.h" 31305c15954d69b1a5e15817f6939b907e89100c04Chris Manton#include "bt_target.h" 32305c15954d69b1a5e15817f6939b907e89100c04Chris Manton#include "btm_int.h" 33305c15954d69b1a5e15817f6939b907e89100c04Chris Manton#include "btu.h" 345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include "gki.h" 355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include "hcimsgs.h" 365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include "l2c_api.h" 37305c15954d69b1a5e15817f6939b907e89100c04Chris Manton#include "l2c_int.h" 38305c15954d69b1a5e15817f6939b907e89100c04Chris Manton#include "l2cdefs.h" 3944802768c447ab480d4227b3a852a97d923b816dSharvil Nanavati#include "osi/include/log.h" 405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/********************************************************************************/ 425738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/* L O C A L F U N C T I O N P R O T O T Y P E S */ 435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/********************************************************************************/ 445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectstatic void process_l2cap_cmd (tL2C_LCB *p_lcb, UINT8 *p, UINT16 pkt_len); 455738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 465738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/********************************************************************************/ 475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/* G L O B A L L 2 C A P D A T A */ 485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/********************************************************************************/ 495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#if L2C_DYNAMIC_MEMORY == FALSE 505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source ProjecttL2C_CB l2cb; 515738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 525738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 535738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 555738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Function l2c_bcst_msg 565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 575738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Description 585738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 595738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Returns void 605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 615738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project*******************************************************************************/ 625738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectvoid l2c_bcst_msg( BT_HDR *p_buf, UINT16 psm ) 635738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 645738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT8 *p; 655738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 665738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Ensure we have enough space in the buffer for the L2CAP and HCI headers */ 675738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_buf->offset < L2CAP_BCST_MIN_OFFSET) 685738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 69a51c9d9d225e41fe36a0133f1c17fd981ea59c1dSharvil Nanavati L2CAP_TRACE_ERROR ("L2CAP - cannot send buffer, offset: %d", p_buf->offset); 705738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project GKI_freebuf (p_buf); 715738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return; 725738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 735738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 745738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Step back some bytes to add the headers */ 755738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_buf->offset -= (HCI_DATA_PREAMBLE_SIZE + L2CAP_PKT_OVERHEAD + L2CAP_BCST_OVERHEAD); 765738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_buf->len += L2CAP_PKT_OVERHEAD + L2CAP_BCST_OVERHEAD; 775738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 785738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Set the pointer to the beginning of the data */ 795738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p = (UINT8 *)(p_buf + 1) + p_buf->offset; 805738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 815738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* First, the HCI transport header */ 825738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT16_TO_STREAM (p, 0x0050 | (L2CAP_PKT_START << 12) | (2 << 14)); 835738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8430e58068c1adaac7c5ccb3aa9cfb045d41d2a10eZach Johnson uint16_t acl_data_size = controller_get_interface()->get_acl_data_size_classic(); 855738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* The HCI transport will segment the buffers. */ 8630e58068c1adaac7c5ccb3aa9cfb045d41d2a10eZach Johnson if (p_buf->len > acl_data_size) 875738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 8830e58068c1adaac7c5ccb3aa9cfb045d41d2a10eZach Johnson UINT16_TO_STREAM (p, acl_data_size); 895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 905738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 915738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 925738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT16_TO_STREAM (p, p_buf->len); 935738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 945738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 955738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Now the L2CAP header */ 965738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT16_TO_STREAM (p, p_buf->len - L2CAP_PKT_OVERHEAD); 975738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT16_TO_STREAM (p, L2CAP_CONNECTIONLESS_CID); 985738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT16_TO_STREAM (p, psm); 995738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1005738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_buf->len += HCI_DATA_PREAMBLE_SIZE; 1015738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 10230e58068c1adaac7c5ccb3aa9cfb045d41d2a10eZach Johnson if (p_buf->len <= controller_get_interface()->get_acl_packet_size_classic()) 1035738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 104cccf02fadb2dd4dceb22f2d58ed5840b0ef1860eChris Manton counter_add("l2cap.ch2.tx.bytes", p_buf->len); 105cccf02fadb2dd4dceb22f2d58ed5840b0ef1860eChris Manton counter_add("l2cap.ch2.tx.pkts", 1); 106cccf02fadb2dd4dceb22f2d58ed5840b0ef1860eChris Manton 107f857d64505d81ce0834de150b79b333a4ff445f2Chris Manton bte_main_hci_send(p_buf, BT_EVT_TO_LM_HCI_ACL); 1085738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 1095738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 110ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta 1115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 1135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 1145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Function l2c_rcv_acl_data 1155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 1165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Description This function is called from the HCI Interface when an ACL 1175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** data packet is received. 1185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 1195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Returns void 1205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 1215738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project*******************************************************************************/ 1225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectvoid l2c_rcv_acl_data (BT_HDR *p_msg) 1235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 1245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT8 *p = (UINT8 *)(p_msg + 1) + p_msg->offset; 1255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT16 handle, hci_len; 1265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT8 pkt_type; 1275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tL2C_LCB *p_lcb; 1285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tL2C_CCB *p_ccb = NULL; 1295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT16 l2cap_len, rcv_cid, psm; 1305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Extract the handle */ 1325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (handle, p); 1335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project pkt_type = HCID_GET_EVENT (handle); 1345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project handle = HCID_GET_HANDLE (handle); 1355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Since the HCI Transport is putting segmented packets back together, we */ 1375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* should never get a valid packet with the type set to "continuation" */ 1385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (pkt_type != L2CAP_PKT_CONTINUE) 1395738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 1405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Find the LCB based on the handle */ 1415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((p_lcb = l2cu_find_lcb_by_handle (handle)) == NULL) 1425738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 1435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT8 cmd_code; 1445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1455738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* There is a slight possibility (specifically with USB) that we get an */ 1465738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* L2CAP connection request before we get the HCI connection complete. */ 1475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* So for these types of messages, hold them for up to 2 seconds. */ 1485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (hci_len, p); 1495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (l2cap_len, p); 1505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (rcv_cid, p); 1515738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cmd_code, p); 1525738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1535738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((p_msg->layer_specific == 0) && (rcv_cid == L2CAP_SIGNALLING_CID) 154305c15954d69b1a5e15817f6939b907e89100c04Chris Manton && (cmd_code == L2CAP_CMD_INFO_REQ || cmd_code == L2CAP_CMD_CONN_REQ)) { 155305c15954d69b1a5e15817f6939b907e89100c04Chris Manton L2CAP_TRACE_WARNING ("L2CAP - holding ACL for unknown handle:%d ls:%d" 156305c15954d69b1a5e15817f6939b907e89100c04Chris Manton " cid:%d opcode:%d cur count:%d", handle, p_msg->layer_specific, 157305c15954d69b1a5e15817f6939b907e89100c04Chris Manton rcv_cid, cmd_code, list_length(l2cb.rcv_pending_q)); 1585738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_msg->layer_specific = 2; 159305c15954d69b1a5e15817f6939b907e89100c04Chris Manton list_append(l2cb.rcv_pending_q, p_msg); 1605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 161305c15954d69b1a5e15817f6939b907e89100c04Chris Manton if (list_length(l2cb.rcv_pending_q) == 1) 1625738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project btu_start_timer (&l2cb.rcv_hold_tle, BTU_TTYPE_L2CAP_HOLD, BT_1SEC_TIMEOUT); 1635738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1645738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return; 165305c15954d69b1a5e15817f6939b907e89100c04Chris Manton } else { 166305c15954d69b1a5e15817f6939b907e89100c04Chris Manton L2CAP_TRACE_ERROR ("L2CAP - rcvd ACL for unknown handle:%d ls:%d cid:%d" 167305c15954d69b1a5e15817f6939b907e89100c04Chris Manton " opcode:%d cur count:%d", handle, p_msg->layer_specific, rcv_cid, 168305c15954d69b1a5e15817f6939b907e89100c04Chris Manton cmd_code, list_length(l2cb.rcv_pending_q)); 1695738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 1705738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project GKI_freebuf (p_msg); 1715738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return; 1725738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 1735738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 1745738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 1755738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 176a51c9d9d225e41fe36a0133f1c17fd981ea59c1dSharvil Nanavati L2CAP_TRACE_WARNING ("L2CAP - expected pkt start or complete, got: %d", pkt_type); 1775738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project GKI_freebuf (p_msg); 1785738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return; 1795738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 1805738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1815738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Extract the length and update the buffer header */ 1825738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (hci_len, p); 1835738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_msg->offset += 4; 1845738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1855738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Extract the length and CID */ 1865738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (l2cap_len, p); 1875738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (rcv_cid, p); 1885738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 18991fbc7e560bb9c9f344980a18983d32e51f0360aAndre Eisenbach#if BLE_INCLUDED == TRUE 190e28055315f96c0d06e73a66a9bb06df85247b5a7Chaojing Sun /* for BLE channel, always notify connection when ACL data received on the link */ 191e28055315f96c0d06e73a66a9bb06df85247b5a7Chaojing Sun if (p_lcb && p_lcb->transport == BT_TRANSPORT_LE && p_lcb->link_state != LST_DISCONNECTING) 192e28055315f96c0d06e73a66a9bb06df85247b5a7Chaojing Sun /* only process fixed channel data as channel open indication when link is not in disconnecting mode */ 193e28055315f96c0d06e73a66a9bb06df85247b5a7Chaojing Sun l2cble_notify_le_connection(p_lcb->remote_bd_addr); 19491fbc7e560bb9c9f344980a18983d32e51f0360aAndre Eisenbach#endif 195e28055315f96c0d06e73a66a9bb06df85247b5a7Chaojing Sun 1965738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Find the CCB for this CID */ 1975738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (rcv_cid >= L2CAP_BASE_APPL_CID) 1985738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 1995738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((p_ccb = l2cu_find_ccb_by_cid (p_lcb, rcv_cid)) == NULL) 2005738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 201a51c9d9d225e41fe36a0133f1c17fd981ea59c1dSharvil Nanavati L2CAP_TRACE_WARNING ("L2CAP - unknown CID: 0x%04x", rcv_cid); 2025738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project GKI_freebuf (p_msg); 2035738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return; 2045738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 2055738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 2065738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 2075738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (hci_len >= L2CAP_PKT_OVERHEAD) /* Must receive at least the L2CAP length and CID.*/ 2085738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 2095738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_msg->len = hci_len - L2CAP_PKT_OVERHEAD; 2105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_msg->offset += L2CAP_PKT_OVERHEAD; 2115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 2125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 2135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 214a51c9d9d225e41fe36a0133f1c17fd981ea59c1dSharvil Nanavati L2CAP_TRACE_WARNING ("L2CAP - got incorrect hci header" ); 2155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project GKI_freebuf (p_msg); 2165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return; 2175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 2185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 2195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (l2cap_len != p_msg->len) 2205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 221a51c9d9d225e41fe36a0133f1c17fd981ea59c1dSharvil Nanavati L2CAP_TRACE_WARNING ("L2CAP - bad length in pkt. Exp: %d Act: %d", 2225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cap_len, p_msg->len); 2235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 2245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project GKI_freebuf (p_msg); 2255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return; 2265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 2275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 2285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Send the data through the channel state machine */ 2295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (rcv_cid == L2CAP_SIGNALLING_CID) 2305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 231cccf02fadb2dd4dceb22f2d58ed5840b0ef1860eChris Manton counter_add("l2cap.sig.rx.bytes", l2cap_len); 232cccf02fadb2dd4dceb22f2d58ed5840b0ef1860eChris Manton counter_add("l2cap.sig.rx.pkts", 1); 2335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project process_l2cap_cmd (p_lcb, p, l2cap_len); 2345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project GKI_freebuf (p_msg); 2355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 2365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else if (rcv_cid == L2CAP_CONNECTIONLESS_CID) 2375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 238cccf02fadb2dd4dceb22f2d58ed5840b0ef1860eChris Manton counter_add("l2cap.ch2.rx.bytes", l2cap_len); 239cccf02fadb2dd4dceb22f2d58ed5840b0ef1860eChris Manton counter_add("l2cap.ch2.rx.pkts", 1); 2405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* process_connectionless_data (p_lcb); */ 2415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (psm, p); 242a51c9d9d225e41fe36a0133f1c17fd981ea59c1dSharvil Nanavati L2CAP_TRACE_DEBUG( "GOT CONNECTIONLESS DATA PSM:%d", psm ) ; 2435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 2445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#if (L2CAP_UCD_INCLUDED == TRUE) 2455738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* if it is not broadcast, check UCD registration */ 2465738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ( l2c_ucd_check_rx_pkts( p_lcb, p_msg ) ) 2475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 2485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* nothing to do */ 2495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 2505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 2515738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 2525738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project GKI_freebuf (p_msg); 2535738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 2545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#if (BLE_INCLUDED == TRUE) 2555738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else if (rcv_cid == L2CAP_BLE_SIGNALLING_CID) 2565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 257cccf02fadb2dd4dceb22f2d58ed5840b0ef1860eChris Manton counter_add("l2cap.ble.rx.bytes", l2cap_len); 258cccf02fadb2dd4dceb22f2d58ed5840b0ef1860eChris Manton counter_add("l2cap.ble.rx.pkts", 1); 2595738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cble_process_sig_cmd (p_lcb, p, l2cap_len); 2605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project GKI_freebuf (p_msg); 2615738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 2625738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 2635738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#if (L2CAP_NUM_FIXED_CHNLS > 0) 2645738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else if ((rcv_cid >= L2CAP_FIRST_FIXED_CHNL) && (rcv_cid <= L2CAP_LAST_FIXED_CHNL) && 2655738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project (l2cb.fixed_reg[rcv_cid - L2CAP_FIRST_FIXED_CHNL].pL2CA_FixedData_Cb != NULL) ) 2665738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 267cccf02fadb2dd4dceb22f2d58ed5840b0ef1860eChris Manton counter_add("l2cap.fix.rx.bytes", l2cap_len); 268cccf02fadb2dd4dceb22f2d58ed5840b0ef1860eChris Manton counter_add("l2cap.fix.rx.pkts", 1); 2695738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* If no CCB for this channel, allocate one */ 270c5cda8198541888a6f16795effa55a0d3254afdbChaojing Sun if (p_lcb && 271e28055315f96c0d06e73a66a9bb06df85247b5a7Chaojing Sun /* only process fixed channel data when link is open or wait for data indication */ 272c5cda8198541888a6f16795effa55a0d3254afdbChaojing Sun (p_lcb->link_state != LST_DISCONNECTING) && 273e28055315f96c0d06e73a66a9bb06df85247b5a7Chaojing Sun l2cu_initialize_fixed_ccb (p_lcb, rcv_cid, &l2cb.fixed_reg[rcv_cid - L2CAP_FIRST_FIXED_CHNL].fixed_chnl_opts)) 2745738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 2755738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_ccb = p_lcb->p_fixed_ccbs[rcv_cid - L2CAP_FIRST_FIXED_CHNL]; 2765738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 2775738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_ccb->peer_cfg.fcr.mode != L2CAP_FCR_BASIC_MODE) 2785738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_fcr_proc_pdu (p_ccb, p_msg); 2795738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 2808372aa5fa535ee4f09c09981b6125b54ace31fe2Kim Schulz (*l2cb.fixed_reg[rcv_cid - L2CAP_FIRST_FIXED_CHNL].pL2CA_FixedData_Cb) 2818372aa5fa535ee4f09c09981b6125b54ace31fe2Kim Schulz (rcv_cid, p_lcb->remote_bd_addr, p_msg); 2825738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 2835738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 2845738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project GKI_freebuf (p_msg); 2855738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 2865738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 2875738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 2885738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 2895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 290cccf02fadb2dd4dceb22f2d58ed5840b0ef1860eChris Manton counter_add("l2cap.dyn.rx.bytes", l2cap_len); 291cccf02fadb2dd4dceb22f2d58ed5840b0ef1860eChris Manton counter_add("l2cap.dyn.rx.pkts", 1); 2925738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_ccb == NULL) 2935738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project GKI_freebuf (p_msg); 2945738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 2955738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 2965738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Basic mode packets go straight to the state machine */ 2975738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_ccb->peer_cfg.fcr.mode == L2CAP_FCR_BASIC_MODE) 2985738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_csm_execute (p_ccb, L2CEVT_L2CAP_DATA, p_msg); 2995738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 3005738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 3015738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* eRTM or streaming mode, so we need to validate states first */ 3025738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((p_ccb->chnl_state == CST_OPEN) || (p_ccb->chnl_state == CST_CONFIG)) 3035738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_fcr_proc_pdu (p_ccb, p_msg); 3045738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 3055738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project GKI_freebuf (p_msg); 3065738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 3075738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 3085738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 3095738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 3105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 3125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 3135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Function process_l2cap_cmd 3145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 3155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Description This function is called when a packet is received on the 3165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** L2CAP signalling CID 3175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 3185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Returns void 3195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 3205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project*******************************************************************************/ 3215738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectstatic void process_l2cap_cmd (tL2C_LCB *p_lcb, UINT8 *p, UINT16 pkt_len) 3225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 3235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT8 *p_pkt_end, *p_next_cmd, *p_cfg_end, *p_cfg_start; 3245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT8 cmd_code, cfg_code, cfg_len, id; 3255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tL2C_CONN_INFO con_info; 3265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tL2CAP_CFG_INFO cfg_info; 3275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT16 rej_reason, rej_mtu, lcid, rcid, info_type; 3285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tL2C_CCB *p_ccb; 329104e3f238f500cacdb8afaccdc672dfc34eae7eeBernhard Rosenkränzer tL2C_RCB *p_rcb; 3308fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta BOOLEAN cfg_rej, pkt_size_rej = FALSE; 3315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT16 cfg_rej_len, cmd_len; 3325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT16 result; 3335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tL2C_CONN_INFO ci; 3345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#if (defined BLE_INCLUDED && BLE_INCLUDED == TRUE) 3365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* if l2cap command received in CID 1 on top of an LE link, ignore this command */ 3378fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta if (p_lcb->transport == BT_TRANSPORT_LE) 3385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return; 3395738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 3408fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta 3418fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta /* Reject the packet if it exceeds the default Signalling Channel MTU */ 3428fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta if (pkt_len > L2CAP_DEFAULT_MTU) 3438fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta { 3448fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta /* Core Spec requires a single response to the first command found in a multi-command 3458fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta ** L2cap packet. If only responses in the packet, then it will be ignored. 3468fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta ** Here we simply mark the bad packet and decide which cmd ID to reject later 3478fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta */ 3488fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta pkt_size_rej = TRUE; 349a51c9d9d225e41fe36a0133f1c17fd981ea59c1dSharvil Nanavati L2CAP_TRACE_ERROR ("L2CAP SIG MTU Pkt Len Exceeded (672) -> pkt_len: %d", pkt_len); 3508fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta } 3518fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta 3525738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_next_cmd = p; 3535738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_pkt_end = p + pkt_len; 3545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3555738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project memset (&cfg_info, 0, sizeof(cfg_info)); 3565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3575738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* An L2CAP packet may contain multiple commands */ 3585738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project while (TRUE) 3595738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 3605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Smallest command is 4 bytes */ 3615738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((p = p_next_cmd) > (p_pkt_end - 4)) 3625738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 3635738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3645738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cmd_code, p); 3655738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (id, p); 3665738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cmd_len, p); 3675738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3685738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Check command length does not exceed packet length */ 3695738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((p_next_cmd = p + cmd_len) > p_pkt_end) 3705738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 371a51c9d9d225e41fe36a0133f1c17fd981ea59c1dSharvil Nanavati L2CAP_TRACE_WARNING ("Command len bad pkt_len: %d cmd_len: %d code: %d", 3725738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project pkt_len, cmd_len, cmd_code); 3735738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 3745738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 3755738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 376a51c9d9d225e41fe36a0133f1c17fd981ea59c1dSharvil Nanavati L2CAP_TRACE_DEBUG ("cmd_code: %d, id:%d, cmd_len:%d", cmd_code, id, cmd_len); 3778fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta 3788fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta /* Bad L2CAP packet length, look or cmd to reject */ 3798fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta if (pkt_size_rej) 3808fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta { 3818fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta /* If command found rejected it and we're done, otherwise keep looking */ 3828fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta if (l2c_is_cmd_rejected(cmd_code, id, p_lcb)) 3838fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta return; 3848fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta else 3858fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta continue; /* Look for next cmd/response in current packet */ 3868fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta } 3878fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta 3885738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project switch (cmd_code) 3895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 3905738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CMD_REJECT: 3915738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (rej_reason, p); 3925738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (rej_reason == L2CAP_CMD_REJ_MTU_EXCEEDED) 3935738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 3945738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (rej_mtu, p); 3955738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* What to do with the MTU reject ? We have negotiated an MTU. For now */ 3965738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* we will ignore it and let a higher protocol timeout take care of it */ 3975738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 398a51c9d9d225e41fe36a0133f1c17fd981ea59c1dSharvil Nanavati L2CAP_TRACE_WARNING ("L2CAP - MTU rej Handle: %d MTU: %d", p_lcb->handle, rej_mtu); 3995738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 4005738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (rej_reason == L2CAP_CMD_REJ_INVALID_CID) 4015738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 4025738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (rcid, p); 4035738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (lcid, p); 4045738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 405a51c9d9d225e41fe36a0133f1c17fd981ea59c1dSharvil Nanavati L2CAP_TRACE_WARNING ("L2CAP - rej with CID invalid, LCID: 0x%04x RCID: 0x%04x", lcid, rcid); 4065738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4075738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Remote CID invalid. Treat as a disconnect */ 4085738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (((p_ccb = l2cu_find_ccb_by_cid (p_lcb, lcid)) != NULL) 4095738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project && (p_ccb->remote_cid == rcid)) 4105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 4115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Fake link disconnect - no reply is generated */ 4125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_csm_execute (p_ccb, L2CEVT_LP_DISCONNECT_IND, NULL); 4135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 4145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 4155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* SonyEricsson Info request Bug workaround (Continue connection) */ 4175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else if (rej_reason == L2CAP_CMD_REJ_NOT_UNDERSTOOD && p_lcb->w4_info_rsp) 4185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 4195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project btu_stop_timer (&p_lcb->info_timer_entry); 4205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4215738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_lcb->w4_info_rsp = FALSE; 4225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project ci.status = HCI_SUCCESS; 4235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project memcpy (ci.bd_addr, p_lcb->remote_bd_addr, sizeof(BD_ADDR)); 4245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* For all channels, send the event through their FSMs */ 4265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project for (p_ccb = p_lcb->ccb_queue.p_first_ccb; p_ccb; p_ccb = p_ccb->p_next_ccb) 4275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 4285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_csm_execute (p_ccb, L2CEVT_L2CAP_INFO_RSP, &ci); 4295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 4305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 4315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 4325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CMD_CONN_REQ: 4345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (con_info.psm, p); 4355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (rcid, p); 4365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((p_rcb = l2cu_find_rcb_by_psm (con_info.psm)) == NULL) 4375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 438a51c9d9d225e41fe36a0133f1c17fd981ea59c1dSharvil Nanavati L2CAP_TRACE_WARNING ("L2CAP - rcvd conn req for unknown PSM: %d", con_info.psm); 4395738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cu_reject_connection (p_lcb, rcid, id, L2CAP_CONN_NO_PSM); 4405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 4415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 4425738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 4435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 4445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (!p_rcb->api.pL2CA_ConnectInd_Cb) 4455738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 446a51c9d9d225e41fe36a0133f1c17fd981ea59c1dSharvil Nanavati L2CAP_TRACE_WARNING ("L2CAP - rcvd conn req for outgoing-only connection PSM: %d", con_info.psm); 4475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cu_reject_connection (p_lcb, rcid, id, L2CAP_CONN_NO_PSM); 4485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 4495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 4505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 4515738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((p_ccb = l2cu_allocate_ccb (p_lcb, 0)) == NULL) 4525738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 453a51c9d9d225e41fe36a0133f1c17fd981ea59c1dSharvil Nanavati L2CAP_TRACE_ERROR ("L2CAP - unable to allocate CCB"); 4545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cu_reject_connection (p_lcb, rcid, id, L2CAP_CONN_NO_RESOURCES); 4555738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 4565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 4575738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_ccb->remote_id = id; 4585738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_ccb->p_rcb = p_rcb; 4595738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_ccb->remote_cid = rcid; 4605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4615738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_csm_execute(p_ccb, L2CEVT_L2CAP_CONNECT_REQ, &con_info); 4625738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 4635738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4645738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CMD_CONN_RSP: 4655738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (con_info.remote_cid, p); 4665738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (lcid, p); 4675738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (con_info.l2cap_result, p); 4685738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (con_info.l2cap_status, p); 4695738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4705738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((p_ccb = l2cu_find_ccb_by_cid (p_lcb, lcid)) == NULL) 4715738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 472a51c9d9d225e41fe36a0133f1c17fd981ea59c1dSharvil Nanavati L2CAP_TRACE_WARNING ("L2CAP - no CCB for conn rsp, LCID: %d RCID: %d", 4735738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project lcid, con_info.remote_cid); 4745738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 4755738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 4765738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_ccb->local_id != id) 4775738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 478a51c9d9d225e41fe36a0133f1c17fd981ea59c1dSharvil Nanavati L2CAP_TRACE_WARNING ("L2CAP - con rsp - bad ID. Exp: %d Got: %d", 4795738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_ccb->local_id, id); 4805738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 4815738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 4825738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4835738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (con_info.l2cap_result == L2CAP_CONN_OK) 4845738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_csm_execute(p_ccb, L2CEVT_L2CAP_CONNECT_RSP, &con_info); 4855738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else if (con_info.l2cap_result == L2CAP_CONN_PENDING) 4865738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_csm_execute(p_ccb, L2CEVT_L2CAP_CONNECT_RSP_PND, &con_info); 4875738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 4885738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_csm_execute(p_ccb, L2CEVT_L2CAP_CONNECT_RSP_NEG, &con_info); 4895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4905738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 4915738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4925738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CMD_CONFIG_REQ: 4935738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_cfg_end = p + cmd_len; 4945738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_rej = FALSE; 4955738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_rej_len = 0; 4965738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4975738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (lcid, p); 4985738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cfg_info.flags, p); 4995738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 5005738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_cfg_start = p; 5015738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 5025738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.flush_to_present = cfg_info.mtu_present = cfg_info.qos_present = 5035738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.fcr_present = cfg_info.fcs_present = FALSE; 5045738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 5055738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project while (p < p_cfg_end) 5065738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 5075738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_code, p); 5085738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_len, p); 5095738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 5105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project switch (cfg_code & 0x7F) 5115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 5125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CFG_TYPE_MTU: 5135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.mtu_present = TRUE; 5145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cfg_info.mtu, p); 5155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 5165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 5175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CFG_TYPE_FLUSH_TOUT: 5185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.flush_to_present = TRUE; 5195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cfg_info.flush_to, p); 5205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 5215738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 5225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CFG_TYPE_QOS: 5235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.qos_present = TRUE; 5245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.qos.qos_flags, p); 5255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.qos.service_type, p); 5265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.qos.token_rate, p); 5275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.qos.token_bucket_size, p); 5285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.qos.peak_bandwidth, p); 5295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.qos.latency, p); 5305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.qos.delay_variation, p); 5315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 5325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 5335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CFG_TYPE_FCR: 5345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.fcr_present = TRUE; 5355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.fcr.mode, p); 5365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.fcr.tx_win_sz, p); 5375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.fcr.max_transmit, p); 5385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cfg_info.fcr.rtrans_tout, p); 5395738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cfg_info.fcr.mon_tout, p); 5405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cfg_info.fcr.mps, p); 5415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 5425738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 5435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CFG_TYPE_FCS: 5445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.fcs_present = TRUE; 5455738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.fcs, p); 5465738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 5475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 5485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CFG_TYPE_EXT_FLOW: 5495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.ext_flow_spec_present = TRUE; 5505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.ext_flow_spec.id, p); 5515738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.ext_flow_spec.stype, p); 5525738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cfg_info.ext_flow_spec.max_sdu_size, p); 5535738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.ext_flow_spec.sdu_inter_time, p); 5545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.ext_flow_spec.access_latency, p); 5555738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.ext_flow_spec.flush_timeout, p); 5565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 5575738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 5585738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project default: 5595738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* sanity check option length */ 5605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((cfg_len + L2CAP_CFG_OPTION_OVERHEAD) <= cmd_len) 5615738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 5625738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p += cfg_len; 5635738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((cfg_code & 0x80) == 0) 5645738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 5655738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_rej_len += cfg_len + L2CAP_CFG_OPTION_OVERHEAD; 5665738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_rej = TRUE; 5675738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 5685738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 5695738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* bad length; force loop exit */ 5705738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 5715738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 5725738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p = p_cfg_end; 5735738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_rej = TRUE; 5745738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 5755738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 5765738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 5775738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 5785738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 5795738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((p_ccb = l2cu_find_ccb_by_cid (p_lcb, lcid)) != NULL) 5805738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 5815738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_ccb->remote_id = id; 5825738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (cfg_rej) 5835738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 5845738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cu_send_peer_config_rej (p_ccb, p_cfg_start, (UINT16) (cmd_len - L2CAP_CONFIG_REQ_LEN), cfg_rej_len); 5855738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 5865738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 5875738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 5885738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_csm_execute (p_ccb, L2CEVT_L2CAP_CONFIG_REQ, &cfg_info); 5895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 5905738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 5915738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 5925738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 5935738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* updated spec says send command reject on invalid cid */ 5945738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cu_send_peer_cmd_reject (p_lcb, L2CAP_CMD_REJ_INVALID_CID, id, 0, 0); 5955738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 5965738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 5975738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 5985738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CMD_CONFIG_RSP: 5995738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_cfg_end = p + cmd_len; 6005738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (lcid, p); 6015738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cfg_info.flags, p); 6025738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cfg_info.result, p); 6035738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6045738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.flush_to_present = cfg_info.mtu_present = cfg_info.qos_present = 6055738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.fcr_present = cfg_info.fcs_present = FALSE; 6065738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6075738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project while (p < p_cfg_end) 6085738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 6095738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_code, p); 6105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_len, p); 6115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project switch (cfg_code & 0x7F) 6135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 6145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CFG_TYPE_MTU: 6155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.mtu_present = TRUE; 6165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cfg_info.mtu, p); 6175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 6185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CFG_TYPE_FLUSH_TOUT: 6205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.flush_to_present = TRUE; 6215738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cfg_info.flush_to, p); 6225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 6235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CFG_TYPE_QOS: 6255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.qos_present = TRUE; 6265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.qos.qos_flags, p); 6275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.qos.service_type, p); 6285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.qos.token_rate, p); 6295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.qos.token_bucket_size, p); 6305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.qos.peak_bandwidth, p); 6315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.qos.latency, p); 6325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.qos.delay_variation, p); 6335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 6345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CFG_TYPE_FCR: 6365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.fcr_present = TRUE; 6375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.fcr.mode, p); 6385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.fcr.tx_win_sz, p); 6395738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.fcr.max_transmit, p); 6405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cfg_info.fcr.rtrans_tout, p); 6415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cfg_info.fcr.mon_tout, p); 6425738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cfg_info.fcr.mps, p); 6435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 6445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6455738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CFG_TYPE_FCS: 6465738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.fcs_present = TRUE; 6475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.fcs, p); 6485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 6495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CFG_TYPE_EXT_FLOW: 6515738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.ext_flow_spec_present = TRUE; 6525738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.ext_flow_spec.id, p); 6535738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.ext_flow_spec.stype, p); 6545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cfg_info.ext_flow_spec.max_sdu_size, p); 6555738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.ext_flow_spec.sdu_inter_time, p); 6565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.ext_flow_spec.access_latency, p); 6575738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.ext_flow_spec.flush_timeout, p); 6585738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 6595738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 6605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 6615738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6625738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((p_ccb = l2cu_find_ccb_by_cid (p_lcb, lcid)) != NULL) 6635738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 6645738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_ccb->local_id != id) 6655738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 666a51c9d9d225e41fe36a0133f1c17fd981ea59c1dSharvil Nanavati L2CAP_TRACE_WARNING ("L2CAP - cfg rsp - bad ID. Exp: %d Got: %d", 6675738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_ccb->local_id, id); 6685738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 6695738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 6705738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ( (cfg_info.result == L2CAP_CFG_OK) || (cfg_info.result == L2CAP_CFG_PENDING) ) 6715738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_csm_execute (p_ccb, L2CEVT_L2CAP_CONFIG_RSP, &cfg_info); 6725738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 6735738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_csm_execute (p_ccb, L2CEVT_L2CAP_CONFIG_RSP_NEG, &cfg_info); 6745738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 6755738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 6765738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 677a51c9d9d225e41fe36a0133f1c17fd981ea59c1dSharvil Nanavati L2CAP_TRACE_WARNING ("L2CAP - rcvd cfg rsp for unknown CID: 0x%04x", lcid); 6785738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 6795738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 6805738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6815738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6825738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CMD_DISC_REQ: 6835738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (lcid, p); 6845738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (rcid, p); 6855738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6865738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((p_ccb = l2cu_find_ccb_by_cid (p_lcb, lcid)) != NULL) 6875738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 6885738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_ccb->remote_cid == rcid) 6895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 6905738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_ccb->remote_id = id; 6915738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_csm_execute (p_ccb, L2CEVT_L2CAP_DISCONNECT_REQ, &con_info); 6925738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 6935738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 6945738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 6955738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cu_send_peer_disc_rsp (p_lcb, id, lcid, rcid); 6965738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6975738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 6985738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6995738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CMD_DISC_RSP: 7005738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (rcid, p); 7015738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (lcid, p); 7025738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7035738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((p_ccb = l2cu_find_ccb_by_cid (p_lcb, lcid)) != NULL) 7045738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 7055738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((p_ccb->remote_cid == rcid) && (p_ccb->local_id == id)) 7065738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 7075738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_csm_execute (p_ccb, L2CEVT_L2CAP_DISCONNECT_RSP, &con_info); 7085738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7095738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 7115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CMD_ECHO_REQ: 7135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cu_send_peer_echo_rsp (p_lcb, id, NULL, 0); 7145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 7155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CMD_ECHO_RSP: 7175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_lcb->p_echo_rsp_cb) 7185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 7195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tL2CA_ECHO_RSP_CB *p_cb = p_lcb->p_echo_rsp_cb; 7205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7215738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Zero out the callback in case app immediately calls us again */ 7225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_lcb->p_echo_rsp_cb = NULL; 7235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project (*p_cb) (L2CAP_PING_RESULT_OK); 7255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 7275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CMD_INFO_REQ: 7295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (info_type, p); 7305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cu_send_peer_info_rsp (p_lcb, id, info_type); 7315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 7325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CMD_INFO_RSP: 7345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Stop the link connect timer if sent before L2CAP connection is up */ 7355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_lcb->w4_info_rsp) 7365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 7375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project btu_stop_timer (&p_lcb->info_timer_entry); 7385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_lcb->w4_info_rsp = FALSE; 7395738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (info_type, p); 7425738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (result, p); 7435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_lcb->info_rx_bits |= (1 << info_type); 7455738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7465738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ( (info_type == L2CAP_EXTENDED_FEATURES_INFO_TYPE) 7475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project && (result == L2CAP_INFO_RESP_RESULT_SUCCESS) ) 7485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 7495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32( p_lcb->peer_ext_fea, p ); 7505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7515738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#if (L2CAP_NUM_FIXED_CHNLS > 0) 7525738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_lcb->peer_ext_fea & L2CAP_EXTFEA_FIXED_CHNLS) 7535738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 7545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cu_send_peer_info_req (p_lcb, L2CAP_FIXED_CHANNELS_INFO_TYPE); 7555738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 7565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7575738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 7585738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 7595738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cu_process_fixed_chnl_resp (p_lcb); 7605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7615738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 7625738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7635738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7645738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7655738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#if (L2CAP_NUM_FIXED_CHNLS > 0) 7665738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (info_type == L2CAP_FIXED_CHANNELS_INFO_TYPE) 7675738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 7685738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (result == L2CAP_INFO_RESP_RESULT_SUCCESS) 7695738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 7705738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project memcpy (p_lcb->peer_chnl_mask, p, L2CAP_FIXED_CHNL_ARRAY_SIZE); 7715738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7725738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7735738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cu_process_fixed_chnl_resp (p_lcb); 7745738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7755738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 7765738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#if (L2CAP_UCD_INCLUDED == TRUE) 7775738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else if (info_type == L2CAP_CONNLESS_MTU_INFO_TYPE) 7785738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 7795738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (result == L2CAP_INFO_RESP_RESULT_SUCCESS) 7805738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 7815738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (p_lcb->ucd_mtu, p); 7825738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7835738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7845738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 7855738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7865738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project ci.status = HCI_SUCCESS; 7875738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project memcpy (ci.bd_addr, p_lcb->remote_bd_addr, sizeof(BD_ADDR)); 7885738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project for (p_ccb = p_lcb->ccb_queue.p_first_ccb; p_ccb; p_ccb = p_ccb->p_next_ccb) 7895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 7905738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_csm_execute (p_ccb, L2CEVT_L2CAP_INFO_RSP, &ci); 7915738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7925738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 7935738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7945738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project default: 795a51c9d9d225e41fe36a0133f1c17fd981ea59c1dSharvil Nanavati L2CAP_TRACE_WARNING ("L2CAP - bad cmd code: %d", cmd_code); 7965738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cu_send_peer_cmd_reject (p_lcb, L2CAP_CMD_REJ_NOT_UNDERSTOOD, id, 0, 0); 7975738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return; 7985738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7995738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 8005738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 8015738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8025738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 8035738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 8045738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Function l2c_process_held_packets 8055738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 8065738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Description This function processes any L2CAP packets that arrived before 8075738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** the HCI connection complete arrived. It is a work around for 8085738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** badly behaved controllers. 8095738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 8105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Returns void 8115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 8125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project*******************************************************************************/ 813305c15954d69b1a5e15817f6939b907e89100c04Chris Mantonvoid l2c_process_held_packets(BOOLEAN timed_out) { 814305c15954d69b1a5e15817f6939b907e89100c04Chris Manton if (list_is_empty(l2cb.rcv_pending_q)) 8155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return; 8165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 817305c15954d69b1a5e15817f6939b907e89100c04Chris Manton if (!timed_out) { 8185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project btu_stop_timer(&l2cb.rcv_hold_tle); 819a51c9d9d225e41fe36a0133f1c17fd981ea59c1dSharvil Nanavati L2CAP_TRACE_WARNING("L2CAP HOLD CONTINUE"); 820305c15954d69b1a5e15817f6939b907e89100c04Chris Manton } else { 821a51c9d9d225e41fe36a0133f1c17fd981ea59c1dSharvil Nanavati L2CAP_TRACE_WARNING("L2CAP HOLD TIMEOUT"); 8225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 8235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 824305c15954d69b1a5e15817f6939b907e89100c04Chris Manton for (const list_node_t *node = list_begin(l2cb.rcv_pending_q); 825305c15954d69b1a5e15817f6939b907e89100c04Chris Manton node != list_end(l2cb.rcv_pending_q);) { 826305c15954d69b1a5e15817f6939b907e89100c04Chris Manton BT_HDR *p_buf = list_node(node); 827305c15954d69b1a5e15817f6939b907e89100c04Chris Manton node = list_next(node); 828305c15954d69b1a5e15817f6939b907e89100c04Chris Manton if (!timed_out || (!p_buf->layer_specific) || (--p_buf->layer_specific == 0)) { 829305c15954d69b1a5e15817f6939b907e89100c04Chris Manton list_remove(l2cb.rcv_pending_q, p_buf); 8305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_buf->layer_specific = 0xFFFF; 831305c15954d69b1a5e15817f6939b907e89100c04Chris Manton l2c_rcv_acl_data(p_buf); 8325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 8335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 8345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* If anyone still in the queue, restart the timeout */ 836305c15954d69b1a5e15817f6939b907e89100c04Chris Manton if (!list_is_empty(l2cb.rcv_pending_q)) 8375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project btu_start_timer (&l2cb.rcv_hold_tle, BTU_TTYPE_L2CAP_HOLD, BT_1SEC_TIMEOUT); 8385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 8395738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 8425738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 8435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Function l2c_init 8445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 8455738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Description This function is called once at startup to initialize 8465738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** all the L2CAP structures 8475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 8485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Returns void 8495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 8505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project*******************************************************************************/ 8515738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectvoid l2c_init (void) 8525738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 8535738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project INT16 xx; 8545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8555738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project memset (&l2cb, 0, sizeof (tL2C_CB)); 8565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* the psm is increased by 2 before being used */ 8575738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cb.dyn_psm = 0xFFF; 8585738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8595738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Put all the channel control blocks on the free queue */ 8605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project for (xx = 0; xx < MAX_L2CAP_CHANNELS - 1; xx++) 8615738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 8625738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cb.ccb_pool[xx].p_next_ccb = &l2cb.ccb_pool[xx + 1]; 8635738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 8645738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8655738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#if (L2CAP_NON_FLUSHABLE_PB_INCLUDED == TRUE) 8665738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* it will be set to L2CAP_PKT_START_NON_FLUSHABLE if controller supports */ 8675738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cb.non_flushable_pbf = L2CAP_PKT_START << L2CAP_PKT_TYPE_SHIFT; 8685738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 8695738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8705738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8715738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cb.p_free_ccb_first = &l2cb.ccb_pool[0]; 8725738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cb.p_free_ccb_last = &l2cb.ccb_pool[MAX_L2CAP_CHANNELS - 1]; 8735738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8745738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#ifdef L2CAP_DESIRED_LINK_ROLE 8755738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cb.desire_role = L2CAP_DESIRED_LINK_ROLE; 8765738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#else 8775738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cb.desire_role = HCI_ROLE_SLAVE; 8785738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 8795738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8805738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Set the default idle timeout */ 8815738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cb.idle_timeout = L2CAP_LINK_INACTIVITY_TOUT; 8825738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8835738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#if defined(L2CAP_INITIAL_TRACE_LEVEL) 8845738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cb.l2cap_trace_level = L2CAP_INITIAL_TRACE_LEVEL; 8855738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#else 8865738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cb.l2cap_trace_level = BT_TRACE_LEVEL_NONE; /* No traces */ 8875738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 8885738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#if L2CAP_CONFORMANCE_TESTING == TRUE 8905738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Conformance testing needs a dynamic response */ 8915738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cb.test_info_resp = L2CAP_EXTFEA_SUPPORTED_MASK; 8925738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 8935738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8945738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Number of ACL buffers to use for high priority channel */ 8955738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#if (defined(L2CAP_HIGH_PRI_CHAN_QUOTA_IS_CONFIGURABLE) && (L2CAP_HIGH_PRI_CHAN_QUOTA_IS_CONFIGURABLE == TRUE)) 8965738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cb.high_pri_min_xmit_quota = L2CAP_HIGH_PRI_MIN_XMIT_QUOTA; 8975738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 8985738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 89991fbc7e560bb9c9f344980a18983d32e51f0360aAndre Eisenbach#if BLE_INCLUDED == TRUE 9000b47e0a35c16f5b7d77c30ec1c095ed92ff4fd74Satya Calloji l2cb.l2c_ble_fixed_chnls_mask = 9010b47e0a35c16f5b7d77c30ec1c095ed92ff4fd74Satya Calloji L2CAP_FIXED_CHNL_ATT_BIT | L2CAP_FIXED_CHNL_BLE_SIG_BIT | L2CAP_FIXED_CHNL_SMP_BIT; 90291fbc7e560bb9c9f344980a18983d32e51f0360aAndre Eisenbach#endif 9030b47e0a35c16f5b7d77c30ec1c095ed92ff4fd74Satya Calloji 904305c15954d69b1a5e15817f6939b907e89100c04Chris Manton l2cb.rcv_pending_q = list_new(NULL); 905305c15954d69b1a5e15817f6939b907e89100c04Chris Manton if (l2cb.rcv_pending_q == NULL) 90644802768c447ab480d4227b3a852a97d923b816dSharvil Nanavati LOG_ERROR("%s unable to allocate memory for link layer control block", __func__); 907305c15954d69b1a5e15817f6939b907e89100c04Chris Manton} 908305c15954d69b1a5e15817f6939b907e89100c04Chris Manton 909305c15954d69b1a5e15817f6939b907e89100c04Chris Mantonvoid l2c_free(void) { 910305c15954d69b1a5e15817f6939b907e89100c04Chris Manton list_free(l2cb.rcv_pending_q); 9115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 9125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 9135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 9145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 9155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Function l2c_process_timeout 9165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 9175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Description This function is called when an L2CAP-related timeout occurs 9185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 9195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Returns void 9205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 9215738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project*******************************************************************************/ 9225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectvoid l2c_process_timeout (TIMER_LIST_ENT *p_tle) 9235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 9245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* What type of timeout ? */ 9255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project switch (p_tle->event) 9265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 9275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case BTU_TTYPE_L2CAP_LINK: 9285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_link_timeout ((tL2C_LCB *)p_tle->param); 9295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 9305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 9315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case BTU_TTYPE_L2CAP_CHNL: 9325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_csm_execute (((tL2C_CCB *)p_tle->param), L2CEVT_TIMEOUT, NULL); 9335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 9345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 9355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case BTU_TTYPE_L2CAP_FCR_ACK: 9365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_csm_execute (((tL2C_CCB *)p_tle->param), L2CEVT_ACK_TIMEOUT, NULL); 9375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 9385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 9395738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case BTU_TTYPE_L2CAP_HOLD: 9405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Update the timeouts in the hold queue */ 9415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_process_held_packets(TRUE); 9425738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 9435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 9445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case BTU_TTYPE_L2CAP_INFO: 9455738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_info_timeout((tL2C_LCB *)p_tle->param); 9465738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 9475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 9485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 9495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 9505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 9515738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 9525738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Function l2c_data_write 9535738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 9545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Description API functions call this function to write data. 9555738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 9565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Returns L2CAP_DW_SUCCESS, if data accepted, else FALSE 9575738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** L2CAP_DW_CONGESTED, if data accepted and the channel is congested 9585738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** L2CAP_DW_FAILED, if error 9595738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 9605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project*******************************************************************************/ 9615738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source ProjectUINT8 l2c_data_write (UINT16 cid, BT_HDR *p_data, UINT16 flags) 9625738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 9635738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tL2C_CCB *p_ccb; 9645738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 9655738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Find the channel control block. We don't know the link it is on. */ 9665738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((p_ccb = l2cu_find_ccb_by_cid (NULL, cid)) == NULL) 9675738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 968a51c9d9d225e41fe36a0133f1c17fd981ea59c1dSharvil Nanavati L2CAP_TRACE_WARNING ("L2CAP - no CCB for L2CA_DataWrite, CID: %d", cid); 9695738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project GKI_freebuf (p_data); 9705738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return (L2CAP_DW_FAILED); 9715738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 9725738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 9735738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#ifndef TESTER /* Tester may send any amount of data. otherwise sending message 9745738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project bigger than mtu size of peer is a violation of protocol */ 9755738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_data->len > p_ccb->peer_cfg.mtu) 9765738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 977a51c9d9d225e41fe36a0133f1c17fd981ea59c1dSharvil Nanavati L2CAP_TRACE_WARNING ("L2CAP - CID: 0x%04x cannot send message bigger than peer's mtu size", cid); 9785738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project GKI_freebuf (p_data); 9795738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return (L2CAP_DW_FAILED); 9805738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 9815738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 9825738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 9835738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* channel based, packet based flushable or non-flushable */ 9845738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_data->layer_specific = flags; 9855738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 9865738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* If already congested, do not accept any more packets */ 9875738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_ccb->cong_sent) 9885738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 989a51c9d9d225e41fe36a0133f1c17fd981ea59c1dSharvil Nanavati L2CAP_TRACE_ERROR ("L2CAP - CID: 0x%04x cannot send, already congested xmit_hold_q.count: %u buff_quota: %u", 990fe7216ca12f91baae733e7c93063db73121af308Chris Manton p_ccb->local_cid, GKI_queue_length(&p_ccb->xmit_hold_q), p_ccb->buff_quota); 9915738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 9925738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project GKI_freebuf (p_data); 9935738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return (L2CAP_DW_FAILED); 9945738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 9955738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 996cccf02fadb2dd4dceb22f2d58ed5840b0ef1860eChris Manton counter_add("l2cap.dyn.tx.bytes", p_data->len); 997cccf02fadb2dd4dceb22f2d58ed5840b0ef1860eChris Manton counter_add("l2cap.dyn.tx.pkts", 1); 998cccf02fadb2dd4dceb22f2d58ed5840b0ef1860eChris Manton 9995738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_csm_execute (p_ccb, L2CEVT_L2CA_DATA_WRITE, p_data); 10005738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 10015738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_ccb->cong_sent) 10025738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return (L2CAP_DW_CONGESTED); 10035738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 10045738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return (L2CAP_DW_SUCCESS); 10055738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 10065738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1007