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 2549a86709488e5cfd5e23759da18bf9613e15b04dMarie Janssen#define LOG_TAG "bt_l2c_main" 2649120dc867c7818511b5afec461dfc97d17eef58Marie Janssen 27db554581079863974af8e1289646f5deea6fc044Marie Janssen#include <stdio.h> 285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include <stdlib.h> 295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include <string.h> 305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 31305c15954d69b1a5e15817f6939b907e89100c04Chris Manton#include "bt_target.h" 32305c15954d69b1a5e15817f6939b907e89100c04Chris Manton#include "btm_int.h" 33305c15954d69b1a5e15817f6939b907e89100c04Chris Manton#include "btu.h" 34db554581079863974af8e1289646f5deea6fc044Marie Janssen#include "device/include/controller.h" 35258c2538e3b62a8cdb403f2730c45d721e5292b4Pavlin Radoslavov#include "bt_common.h" 365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include "hcimsgs.h" 375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include "l2c_api.h" 38305c15954d69b1a5e15817f6939b907e89100c04Chris Manton#include "l2c_int.h" 39305c15954d69b1a5e15817f6939b907e89100c04Chris Manton#include "l2cdefs.h" 4044802768c447ab480d4227b3a852a97d923b816dSharvil Nanavati#include "osi/include/log.h" 415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4278bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov 4378bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavovextern fixed_queue_t *btu_general_alarm_queue; 4478bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov 455738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/********************************************************************************/ 465738f83aeb59361a0a2eda2460113f6dc919427The 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 */ 475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/********************************************************************************/ 485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectstatic void process_l2cap_cmd (tL2C_LCB *p_lcb, UINT8 *p, UINT16 pkt_len); 495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/********************************************************************************/ 515738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/* G L O B A L L 2 C A P D A T A */ 525738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/********************************************************************************/ 535738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#if L2C_DYNAMIC_MEMORY == FALSE 545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source ProjecttL2C_CB l2cb; 555738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 575738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 585738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 595738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Function l2c_rcv_acl_data 605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 615738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Description This function is called from the HCI Interface when an ACL 625738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** data packet is received. 635738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 645738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Returns void 655738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 665738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project*******************************************************************************/ 675738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectvoid l2c_rcv_acl_data (BT_HDR *p_msg) 685738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 695738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT8 *p = (UINT8 *)(p_msg + 1) + p_msg->offset; 705738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT16 handle, hci_len; 715738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT8 pkt_type; 725738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tL2C_LCB *p_lcb; 735738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tL2C_CCB *p_ccb = NULL; 745738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT16 l2cap_len, rcv_cid, psm; 75ab99638f9a05ae7ed04ab0a75d48cbd1d78b36e8Navin Kochar UINT16 credit; 765738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 775738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Extract the handle */ 785738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (handle, p); 795738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project pkt_type = HCID_GET_EVENT (handle); 805738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project handle = HCID_GET_HANDLE (handle); 815738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 825738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Since the HCI Transport is putting segmented packets back together, we */ 835738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* should never get a valid packet with the type set to "continuation" */ 845738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (pkt_type != L2CAP_PKT_CONTINUE) 855738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 865738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Find the LCB based on the handle */ 875738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((p_lcb = l2cu_find_lcb_by_handle (handle)) == NULL) 885738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT8 cmd_code; 905738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 915738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* There is a slight possibility (specifically with USB) that we get an */ 925738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* L2CAP connection request before we get the HCI connection complete. */ 935738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* So for these types of messages, hold them for up to 2 seconds. */ 945738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (hci_len, p); 955738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (l2cap_len, p); 965738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (rcv_cid, p); 975738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cmd_code, p); 985738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 995738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((p_msg->layer_specific == 0) && (rcv_cid == L2CAP_SIGNALLING_CID) 100305c15954d69b1a5e15817f6939b907e89100c04Chris Manton && (cmd_code == L2CAP_CMD_INFO_REQ || cmd_code == L2CAP_CMD_CONN_REQ)) { 101305c15954d69b1a5e15817f6939b907e89100c04Chris Manton L2CAP_TRACE_WARNING ("L2CAP - holding ACL for unknown handle:%d ls:%d" 102305c15954d69b1a5e15817f6939b907e89100c04Chris Manton " cid:%d opcode:%d cur count:%d", handle, p_msg->layer_specific, 103305c15954d69b1a5e15817f6939b907e89100c04Chris Manton rcv_cid, cmd_code, list_length(l2cb.rcv_pending_q)); 1045738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_msg->layer_specific = 2; 105305c15954d69b1a5e15817f6939b907e89100c04Chris Manton list_append(l2cb.rcv_pending_q, p_msg); 1065738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 10778bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov if (list_length(l2cb.rcv_pending_q) == 1) { 10878bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov alarm_set_on_queue(l2cb.receive_hold_timer, 10978bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov BT_1SEC_TIMEOUT_MS, 11078bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov l2c_receive_hold_timer_timeout, NULL, 11178bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov btu_general_alarm_queue); 11278bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov } 1135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return; 115305c15954d69b1a5e15817f6939b907e89100c04Chris Manton } else { 116305c15954d69b1a5e15817f6939b907e89100c04Chris Manton L2CAP_TRACE_ERROR ("L2CAP - rcvd ACL for unknown handle:%d ls:%d cid:%d" 117305c15954d69b1a5e15817f6939b907e89100c04Chris Manton " opcode:%d cur count:%d", handle, p_msg->layer_specific, rcv_cid, 118305c15954d69b1a5e15817f6939b907e89100c04Chris Manton cmd_code, list_length(l2cb.rcv_pending_q)); 1195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 120abd70abb5e42c9431df94fe9d2c4a78a0d8d9af9Pavlin Radoslavov osi_free(p_msg); 1215738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return; 1225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 1235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 1245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 1255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 126a51c9d9d225e41fe36a0133f1c17fd981ea59c1dSharvil Nanavati L2CAP_TRACE_WARNING ("L2CAP - expected pkt start or complete, got: %d", pkt_type); 127abd70abb5e42c9431df94fe9d2c4a78a0d8d9af9Pavlin Radoslavov osi_free(p_msg); 1285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return; 1295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 1305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Extract the length and update the buffer header */ 1325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (hci_len, p); 1335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_msg->offset += 4; 1345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Extract the length and CID */ 1365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (l2cap_len, p); 1375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (rcv_cid, p); 1385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 13991fbc7e560bb9c9f344980a18983d32e51f0360aAndre Eisenbach#if BLE_INCLUDED == TRUE 140e28055315f96c0d06e73a66a9bb06df85247b5a7Chaojing Sun /* for BLE channel, always notify connection when ACL data received on the link */ 141e28055315f96c0d06e73a66a9bb06df85247b5a7Chaojing Sun if (p_lcb && p_lcb->transport == BT_TRANSPORT_LE && p_lcb->link_state != LST_DISCONNECTING) 142e28055315f96c0d06e73a66a9bb06df85247b5a7Chaojing Sun /* only process fixed channel data as channel open indication when link is not in disconnecting mode */ 143e28055315f96c0d06e73a66a9bb06df85247b5a7Chaojing Sun l2cble_notify_le_connection(p_lcb->remote_bd_addr); 14491fbc7e560bb9c9f344980a18983d32e51f0360aAndre Eisenbach#endif 145e28055315f96c0d06e73a66a9bb06df85247b5a7Chaojing Sun 1465738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Find the CCB for this CID */ 1475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (rcv_cid >= L2CAP_BASE_APPL_CID) 1485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 1495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((p_ccb = l2cu_find_ccb_by_cid (p_lcb, rcv_cid)) == NULL) 1505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 151a51c9d9d225e41fe36a0133f1c17fd981ea59c1dSharvil Nanavati L2CAP_TRACE_WARNING ("L2CAP - unknown CID: 0x%04x", rcv_cid); 152abd70abb5e42c9431df94fe9d2c4a78a0d8d9af9Pavlin Radoslavov osi_free(p_msg); 1535738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return; 1545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 1555738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 1565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1575738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (hci_len >= L2CAP_PKT_OVERHEAD) /* Must receive at least the L2CAP length and CID.*/ 1585738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 1595738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_msg->len = hci_len - L2CAP_PKT_OVERHEAD; 1605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_msg->offset += L2CAP_PKT_OVERHEAD; 1615738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 1625738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 1635738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 164a51c9d9d225e41fe36a0133f1c17fd981ea59c1dSharvil Nanavati L2CAP_TRACE_WARNING ("L2CAP - got incorrect hci header" ); 165abd70abb5e42c9431df94fe9d2c4a78a0d8d9af9Pavlin Radoslavov osi_free(p_msg); 1665738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return; 1675738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 1685738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1695738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (l2cap_len != p_msg->len) 1705738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 171a51c9d9d225e41fe36a0133f1c17fd981ea59c1dSharvil Nanavati L2CAP_TRACE_WARNING ("L2CAP - bad length in pkt. Exp: %d Act: %d", 1725738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cap_len, p_msg->len); 1735738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 174abd70abb5e42c9431df94fe9d2c4a78a0d8d9af9Pavlin Radoslavov osi_free(p_msg); 1755738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return; 1765738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 1775738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1785738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Send the data through the channel state machine */ 1795738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (rcv_cid == L2CAP_SIGNALLING_CID) 1805738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 1815738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project process_l2cap_cmd (p_lcb, p, l2cap_len); 182abd70abb5e42c9431df94fe9d2c4a78a0d8d9af9Pavlin Radoslavov osi_free(p_msg); 1835738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 1845738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else if (rcv_cid == L2CAP_CONNECTIONLESS_CID) 1855738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 1865738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* process_connectionless_data (p_lcb); */ 1875738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (psm, p); 188a51c9d9d225e41fe36a0133f1c17fd981ea59c1dSharvil Nanavati L2CAP_TRACE_DEBUG( "GOT CONNECTIONLESS DATA PSM:%d", psm ) ; 1895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1905738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#if (L2CAP_UCD_INCLUDED == TRUE) 1915738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* if it is not broadcast, check UCD registration */ 1925738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ( l2c_ucd_check_rx_pkts( p_lcb, p_msg ) ) 1935738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 1945738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* nothing to do */ 1955738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 1965738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 1975738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 198abd70abb5e42c9431df94fe9d2c4a78a0d8d9af9Pavlin Radoslavov osi_free(p_msg); 1995738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 2005738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#if (BLE_INCLUDED == TRUE) 2015738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else if (rcv_cid == L2CAP_BLE_SIGNALLING_CID) 2025738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 2035738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cble_process_sig_cmd (p_lcb, p, l2cap_len); 204abd70abb5e42c9431df94fe9d2c4a78a0d8d9af9Pavlin Radoslavov osi_free(p_msg); 2055738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 2065738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 2075738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#if (L2CAP_NUM_FIXED_CHNLS > 0) 2085738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else if ((rcv_cid >= L2CAP_FIRST_FIXED_CHNL) && (rcv_cid <= L2CAP_LAST_FIXED_CHNL) && 2095738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project (l2cb.fixed_reg[rcv_cid - L2CAP_FIRST_FIXED_CHNL].pL2CA_FixedData_Cb != NULL) ) 2105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 2115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* If no CCB for this channel, allocate one */ 212c5cda8198541888a6f16795effa55a0d3254afdbChaojing Sun if (p_lcb && 213e28055315f96c0d06e73a66a9bb06df85247b5a7Chaojing Sun /* only process fixed channel data when link is open or wait for data indication */ 214c5cda8198541888a6f16795effa55a0d3254afdbChaojing Sun (p_lcb->link_state != LST_DISCONNECTING) && 215e28055315f96c0d06e73a66a9bb06df85247b5a7Chaojing Sun l2cu_initialize_fixed_ccb (p_lcb, rcv_cid, &l2cb.fixed_reg[rcv_cid - L2CAP_FIRST_FIXED_CHNL].fixed_chnl_opts)) 2165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 2175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_ccb = p_lcb->p_fixed_ccbs[rcv_cid - L2CAP_FIRST_FIXED_CHNL]; 2185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 2195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_ccb->peer_cfg.fcr.mode != L2CAP_FCR_BASIC_MODE) 2205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_fcr_proc_pdu (p_ccb, p_msg); 2215738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 2228372aa5fa535ee4f09c09981b6125b54ace31fe2Kim Schulz (*l2cb.fixed_reg[rcv_cid - L2CAP_FIRST_FIXED_CHNL].pL2CA_FixedData_Cb) 2238372aa5fa535ee4f09c09981b6125b54ace31fe2Kim Schulz (rcv_cid, p_lcb->remote_bd_addr, p_msg); 2245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 2255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 226abd70abb5e42c9431df94fe9d2c4a78a0d8d9af9Pavlin Radoslavov osi_free(p_msg); 2275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 2285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 2295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 2305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 2315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 2325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_ccb == NULL) 233abd70abb5e42c9431df94fe9d2c4a78a0d8d9af9Pavlin Radoslavov osi_free(p_msg); 2345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 2355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 236ab99638f9a05ae7ed04ab0a75d48cbd1d78b36e8Navin Kochar if (p_lcb->transport == BT_TRANSPORT_LE) 237ab99638f9a05ae7ed04ab0a75d48cbd1d78b36e8Navin Kochar { 238ab99638f9a05ae7ed04ab0a75d48cbd1d78b36e8Navin Kochar l2c_lcc_proc_pdu(p_ccb,p_msg); 239ab99638f9a05ae7ed04ab0a75d48cbd1d78b36e8Navin Kochar // Got a pkt, valid send out credits to the peer device 240ab99638f9a05ae7ed04ab0a75d48cbd1d78b36e8Navin Kochar credit = L2CAP_LE_DEFAULT_CREDIT; 241ab99638f9a05ae7ed04ab0a75d48cbd1d78b36e8Navin Kochar l2c_csm_execute(p_ccb, L2CEVT_L2CA_SEND_FLOW_CONTROL_CREDIT, &credit); 242ab99638f9a05ae7ed04ab0a75d48cbd1d78b36e8Navin Kochar } 2435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 2445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 245ab99638f9a05ae7ed04ab0a75d48cbd1d78b36e8Navin Kochar /* Basic mode packets go straight to the state machine */ 246ab99638f9a05ae7ed04ab0a75d48cbd1d78b36e8Navin Kochar if (p_ccb->peer_cfg.fcr.mode == L2CAP_FCR_BASIC_MODE) 247ab99638f9a05ae7ed04ab0a75d48cbd1d78b36e8Navin Kochar l2c_csm_execute (p_ccb, L2CEVT_L2CAP_DATA, p_msg); 2485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 249ab99638f9a05ae7ed04ab0a75d48cbd1d78b36e8Navin Kochar { 250ab99638f9a05ae7ed04ab0a75d48cbd1d78b36e8Navin Kochar /* eRTM or streaming mode, so we need to validate states first */ 251ab99638f9a05ae7ed04ab0a75d48cbd1d78b36e8Navin Kochar if ((p_ccb->chnl_state == CST_OPEN) || (p_ccb->chnl_state == CST_CONFIG)) 252ab99638f9a05ae7ed04ab0a75d48cbd1d78b36e8Navin Kochar l2c_fcr_proc_pdu (p_ccb, p_msg); 253ab99638f9a05ae7ed04ab0a75d48cbd1d78b36e8Navin Kochar else 254ab99638f9a05ae7ed04ab0a75d48cbd1d78b36e8Navin Kochar osi_free (p_msg); 255ab99638f9a05ae7ed04ab0a75d48cbd1d78b36e8Navin Kochar } 2565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 2575738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 2585738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 2595738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 2605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 2615738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 2625738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 2635738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Function process_l2cap_cmd 2645738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 2655738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Description This function is called when a packet is received on the 2665738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** L2CAP signalling CID 2675738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 2685738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Returns void 2695738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 2705738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project*******************************************************************************/ 2715738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectstatic void process_l2cap_cmd (tL2C_LCB *p_lcb, UINT8 *p, UINT16 pkt_len) 2725738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 2735738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT8 *p_pkt_end, *p_next_cmd, *p_cfg_end, *p_cfg_start; 2745738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT8 cmd_code, cfg_code, cfg_len, id; 2755738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tL2C_CONN_INFO con_info; 2765738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tL2CAP_CFG_INFO cfg_info; 2775738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT16 rej_reason, rej_mtu, lcid, rcid, info_type; 2785738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tL2C_CCB *p_ccb; 279104e3f238f500cacdb8afaccdc672dfc34eae7eeBernhard Rosenkränzer tL2C_RCB *p_rcb; 2808fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta BOOLEAN cfg_rej, pkt_size_rej = FALSE; 2815738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT16 cfg_rej_len, cmd_len; 2825738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT16 result; 2835738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tL2C_CONN_INFO ci; 2845738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 2855738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#if (defined BLE_INCLUDED && BLE_INCLUDED == TRUE) 2865738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* if l2cap command received in CID 1 on top of an LE link, ignore this command */ 2878fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta if (p_lcb->transport == BT_TRANSPORT_LE) 2885738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return; 2895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 2908fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta 2918fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta /* Reject the packet if it exceeds the default Signalling Channel MTU */ 2928fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta if (pkt_len > L2CAP_DEFAULT_MTU) 2938fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta { 2948fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta /* Core Spec requires a single response to the first command found in a multi-command 2958fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta ** L2cap packet. If only responses in the packet, then it will be ignored. 2968fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta ** Here we simply mark the bad packet and decide which cmd ID to reject later 2978fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta */ 2988fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta pkt_size_rej = TRUE; 299a51c9d9d225e41fe36a0133f1c17fd981ea59c1dSharvil Nanavati L2CAP_TRACE_ERROR ("L2CAP SIG MTU Pkt Len Exceeded (672) -> pkt_len: %d", pkt_len); 3008fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta } 3018fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta 3025738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_next_cmd = p; 3035738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_pkt_end = p + pkt_len; 3045738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3055738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project memset (&cfg_info, 0, sizeof(cfg_info)); 3065738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3075738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* An L2CAP packet may contain multiple commands */ 3085738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project while (TRUE) 3095738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 3105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Smallest command is 4 bytes */ 3115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((p = p_next_cmd) > (p_pkt_end - 4)) 3125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 3135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cmd_code, p); 3155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (id, p); 3165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cmd_len, p); 3175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Check command length does not exceed packet length */ 3195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((p_next_cmd = p + cmd_len) > p_pkt_end) 3205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 321a51c9d9d225e41fe36a0133f1c17fd981ea59c1dSharvil Nanavati L2CAP_TRACE_WARNING ("Command len bad pkt_len: %d cmd_len: %d code: %d", 3225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project pkt_len, cmd_len, cmd_code); 3235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 3245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 3255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 326a51c9d9d225e41fe36a0133f1c17fd981ea59c1dSharvil Nanavati L2CAP_TRACE_DEBUG ("cmd_code: %d, id:%d, cmd_len:%d", cmd_code, id, cmd_len); 3278fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta 3288fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta /* Bad L2CAP packet length, look or cmd to reject */ 3298fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta if (pkt_size_rej) 3308fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta { 3318fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta /* If command found rejected it and we're done, otherwise keep looking */ 3328fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta if (l2c_is_cmd_rejected(cmd_code, id, p_lcb)) 3338fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta return; 3348fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta else 3358fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta continue; /* Look for next cmd/response in current packet */ 3368fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta } 3378fe58875ce67c6e1099e7ba2339dcd2b979491b0Ganesh Ganapathi Batta 3385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project switch (cmd_code) 3395738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 3405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CMD_REJECT: 3415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (rej_reason, p); 3425738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (rej_reason == L2CAP_CMD_REJ_MTU_EXCEEDED) 3435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 3445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (rej_mtu, p); 3455738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* What to do with the MTU reject ? We have negotiated an MTU. For now */ 3465738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* we will ignore it and let a higher protocol timeout take care of it */ 3475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 348a51c9d9d225e41fe36a0133f1c17fd981ea59c1dSharvil Nanavati L2CAP_TRACE_WARNING ("L2CAP - MTU rej Handle: %d MTU: %d", p_lcb->handle, rej_mtu); 3495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 3505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (rej_reason == L2CAP_CMD_REJ_INVALID_CID) 3515738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 3525738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (rcid, p); 3535738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (lcid, p); 3545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 355a51c9d9d225e41fe36a0133f1c17fd981ea59c1dSharvil Nanavati L2CAP_TRACE_WARNING ("L2CAP - rej with CID invalid, LCID: 0x%04x RCID: 0x%04x", lcid, rcid); 3565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3575738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Remote CID invalid. Treat as a disconnect */ 3585738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (((p_ccb = l2cu_find_ccb_by_cid (p_lcb, lcid)) != NULL) 3595738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project && (p_ccb->remote_cid == rcid)) 3605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 3615738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Fake link disconnect - no reply is generated */ 3625738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_csm_execute (p_ccb, L2CEVT_LP_DISCONNECT_IND, NULL); 3635738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 3645738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 3655738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3665738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* SonyEricsson Info request Bug workaround (Continue connection) */ 3675738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else if (rej_reason == L2CAP_CMD_REJ_NOT_UNDERSTOOD && p_lcb->w4_info_rsp) 3685738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 36978bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov alarm_cancel(p_lcb->info_resp_timer); 3705738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3715738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_lcb->w4_info_rsp = FALSE; 3725738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project ci.status = HCI_SUCCESS; 3735738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project memcpy (ci.bd_addr, p_lcb->remote_bd_addr, sizeof(BD_ADDR)); 3745738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3755738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* For all channels, send the event through their FSMs */ 3765738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project for (p_ccb = p_lcb->ccb_queue.p_first_ccb; p_ccb; p_ccb = p_ccb->p_next_ccb) 3775738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 3785738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_csm_execute (p_ccb, L2CEVT_L2CAP_INFO_RSP, &ci); 3795738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 3805738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 3815738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 3825738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3835738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CMD_CONN_REQ: 3845738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (con_info.psm, p); 3855738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (rcid, p); 3865738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((p_rcb = l2cu_find_rcb_by_psm (con_info.psm)) == NULL) 3875738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 388a51c9d9d225e41fe36a0133f1c17fd981ea59c1dSharvil Nanavati L2CAP_TRACE_WARNING ("L2CAP - rcvd conn req for unknown PSM: %d", con_info.psm); 3895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cu_reject_connection (p_lcb, rcid, id, L2CAP_CONN_NO_PSM); 3905738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 3915738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 3925738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 3935738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 3945738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (!p_rcb->api.pL2CA_ConnectInd_Cb) 3955738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 396a51c9d9d225e41fe36a0133f1c17fd981ea59c1dSharvil Nanavati L2CAP_TRACE_WARNING ("L2CAP - rcvd conn req for outgoing-only connection PSM: %d", con_info.psm); 3975738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cu_reject_connection (p_lcb, rcid, id, L2CAP_CONN_NO_PSM); 3985738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 3995738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 4005738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 4015738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((p_ccb = l2cu_allocate_ccb (p_lcb, 0)) == NULL) 4025738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 403a51c9d9d225e41fe36a0133f1c17fd981ea59c1dSharvil Nanavati L2CAP_TRACE_ERROR ("L2CAP - unable to allocate CCB"); 4045738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cu_reject_connection (p_lcb, rcid, id, L2CAP_CONN_NO_RESOURCES); 4055738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 4065738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 4075738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_ccb->remote_id = id; 4085738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_ccb->p_rcb = p_rcb; 4095738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_ccb->remote_cid = rcid; 4105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_csm_execute(p_ccb, L2CEVT_L2CAP_CONNECT_REQ, &con_info); 4125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 4135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CMD_CONN_RSP: 4155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (con_info.remote_cid, p); 4165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (lcid, p); 4175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (con_info.l2cap_result, p); 4185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (con_info.l2cap_status, p); 4195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((p_ccb = l2cu_find_ccb_by_cid (p_lcb, lcid)) == NULL) 4215738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 422a51c9d9d225e41fe36a0133f1c17fd981ea59c1dSharvil Nanavati L2CAP_TRACE_WARNING ("L2CAP - no CCB for conn rsp, LCID: %d RCID: %d", 4235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project lcid, con_info.remote_cid); 4245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 4255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 4265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_ccb->local_id != id) 4275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 428a51c9d9d225e41fe36a0133f1c17fd981ea59c1dSharvil Nanavati L2CAP_TRACE_WARNING ("L2CAP - con rsp - bad ID. Exp: %d Got: %d", 4295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_ccb->local_id, id); 4305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 4315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 4325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (con_info.l2cap_result == L2CAP_CONN_OK) 4345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_csm_execute(p_ccb, L2CEVT_L2CAP_CONNECT_RSP, &con_info); 4355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else if (con_info.l2cap_result == L2CAP_CONN_PENDING) 4365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_csm_execute(p_ccb, L2CEVT_L2CAP_CONNECT_RSP_PND, &con_info); 4375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 4385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_csm_execute(p_ccb, L2CEVT_L2CAP_CONNECT_RSP_NEG, &con_info); 4395738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 4415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4425738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CMD_CONFIG_REQ: 4435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_cfg_end = p + cmd_len; 4445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_rej = FALSE; 4455738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_rej_len = 0; 4465738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (lcid, p); 4485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cfg_info.flags, p); 4495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_cfg_start = p; 4515738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4525738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.flush_to_present = cfg_info.mtu_present = cfg_info.qos_present = 4535738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.fcr_present = cfg_info.fcs_present = FALSE; 4545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4555738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project while (p < p_cfg_end) 4565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 4575738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_code, p); 4585738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_len, p); 4595738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project switch (cfg_code & 0x7F) 4615738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 4625738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CFG_TYPE_MTU: 4635738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.mtu_present = TRUE; 4645738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cfg_info.mtu, p); 4655738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 4665738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4675738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CFG_TYPE_FLUSH_TOUT: 4685738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.flush_to_present = TRUE; 4695738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cfg_info.flush_to, p); 4705738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 4715738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4725738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CFG_TYPE_QOS: 4735738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.qos_present = TRUE; 4745738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.qos.qos_flags, p); 4755738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.qos.service_type, p); 4765738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.qos.token_rate, p); 4775738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.qos.token_bucket_size, p); 4785738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.qos.peak_bandwidth, p); 4795738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.qos.latency, p); 4805738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.qos.delay_variation, p); 4815738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 4825738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4835738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CFG_TYPE_FCR: 4845738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.fcr_present = TRUE; 4855738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.fcr.mode, p); 4865738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.fcr.tx_win_sz, p); 4875738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.fcr.max_transmit, p); 4885738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cfg_info.fcr.rtrans_tout, p); 4895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cfg_info.fcr.mon_tout, p); 4905738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cfg_info.fcr.mps, p); 4915738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 4925738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4935738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CFG_TYPE_FCS: 4945738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.fcs_present = TRUE; 4955738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.fcs, p); 4965738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 4975738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4985738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CFG_TYPE_EXT_FLOW: 4995738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.ext_flow_spec_present = TRUE; 5005738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.ext_flow_spec.id, p); 5015738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.ext_flow_spec.stype, p); 5025738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cfg_info.ext_flow_spec.max_sdu_size, p); 5035738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.ext_flow_spec.sdu_inter_time, p); 5045738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.ext_flow_spec.access_latency, p); 5055738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.ext_flow_spec.flush_timeout, p); 5065738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 5075738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 5085738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project default: 5095738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* sanity check option length */ 5105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((cfg_len + L2CAP_CFG_OPTION_OVERHEAD) <= cmd_len) 5115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 5125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p += cfg_len; 5135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((cfg_code & 0x80) == 0) 5145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 5155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_rej_len += cfg_len + L2CAP_CFG_OPTION_OVERHEAD; 5165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_rej = TRUE; 5175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 5185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 5195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* bad length; force loop exit */ 5205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 5215738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 5225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p = p_cfg_end; 5235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_rej = TRUE; 5245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 5255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 5265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 5275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 5285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 5295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((p_ccb = l2cu_find_ccb_by_cid (p_lcb, lcid)) != NULL) 5305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 5315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_ccb->remote_id = id; 5325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (cfg_rej) 5335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 5345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cu_send_peer_config_rej (p_ccb, p_cfg_start, (UINT16) (cmd_len - L2CAP_CONFIG_REQ_LEN), cfg_rej_len); 5355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 5365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 5375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 5385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_csm_execute (p_ccb, L2CEVT_L2CAP_CONFIG_REQ, &cfg_info); 5395738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 5405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 5415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 5425738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 5435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* updated spec says send command reject on invalid cid */ 5445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cu_send_peer_cmd_reject (p_lcb, L2CAP_CMD_REJ_INVALID_CID, id, 0, 0); 5455738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 5465738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 5475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 5485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CMD_CONFIG_RSP: 5495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_cfg_end = p + cmd_len; 5505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (lcid, p); 5515738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cfg_info.flags, p); 5525738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cfg_info.result, p); 5535738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 5545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.flush_to_present = cfg_info.mtu_present = cfg_info.qos_present = 5555738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.fcr_present = cfg_info.fcs_present = FALSE; 5565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 5575738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project while (p < p_cfg_end) 5585738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 5595738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_code, p); 5605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_len, p); 5615738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 5625738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project switch (cfg_code & 0x7F) 5635738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 5645738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CFG_TYPE_MTU: 5655738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.mtu_present = TRUE; 5665738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cfg_info.mtu, p); 5675738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 5685738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 5695738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CFG_TYPE_FLUSH_TOUT: 5705738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.flush_to_present = TRUE; 5715738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cfg_info.flush_to, p); 5725738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 5735738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 5745738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CFG_TYPE_QOS: 5755738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.qos_present = TRUE; 5765738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.qos.qos_flags, p); 5775738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.qos.service_type, p); 5785738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.qos.token_rate, p); 5795738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.qos.token_bucket_size, p); 5805738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.qos.peak_bandwidth, p); 5815738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.qos.latency, p); 5825738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.qos.delay_variation, p); 5835738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 5845738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 5855738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CFG_TYPE_FCR: 5865738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.fcr_present = TRUE; 5875738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.fcr.mode, p); 5885738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.fcr.tx_win_sz, p); 5895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.fcr.max_transmit, p); 5905738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cfg_info.fcr.rtrans_tout, p); 5915738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cfg_info.fcr.mon_tout, p); 5925738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cfg_info.fcr.mps, p); 5935738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 5945738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 5955738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CFG_TYPE_FCS: 5965738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.fcs_present = TRUE; 5975738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.fcs, p); 5985738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 5995738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6005738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CFG_TYPE_EXT_FLOW: 6015738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.ext_flow_spec_present = TRUE; 6025738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.ext_flow_spec.id, p); 6035738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.ext_flow_spec.stype, p); 6045738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cfg_info.ext_flow_spec.max_sdu_size, p); 6055738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.ext_flow_spec.sdu_inter_time, p); 6065738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.ext_flow_spec.access_latency, p); 6075738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.ext_flow_spec.flush_timeout, p); 6085738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 6095738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 6105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 6115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((p_ccb = l2cu_find_ccb_by_cid (p_lcb, lcid)) != NULL) 6135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 6145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_ccb->local_id != id) 6155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 616a51c9d9d225e41fe36a0133f1c17fd981ea59c1dSharvil Nanavati L2CAP_TRACE_WARNING ("L2CAP - cfg rsp - bad ID. Exp: %d Got: %d", 6175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_ccb->local_id, id); 6185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 6195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 6205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ( (cfg_info.result == L2CAP_CFG_OK) || (cfg_info.result == L2CAP_CFG_PENDING) ) 6215738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_csm_execute (p_ccb, L2CEVT_L2CAP_CONFIG_RSP, &cfg_info); 6225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 6235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_csm_execute (p_ccb, L2CEVT_L2CAP_CONFIG_RSP_NEG, &cfg_info); 6245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 6255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 6265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 627a51c9d9d225e41fe36a0133f1c17fd981ea59c1dSharvil Nanavati L2CAP_TRACE_WARNING ("L2CAP - rcvd cfg rsp for unknown CID: 0x%04x", lcid); 6285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 6295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 6305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CMD_DISC_REQ: 6325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (lcid, p); 6335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (rcid, p); 6345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((p_ccb = l2cu_find_ccb_by_cid (p_lcb, lcid)) != NULL) 6365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 6375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_ccb->remote_cid == rcid) 6385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 6395738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_ccb->remote_id = id; 6405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_csm_execute (p_ccb, L2CEVT_L2CAP_DISCONNECT_REQ, &con_info); 6415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 6425738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 6435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 6445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cu_send_peer_disc_rsp (p_lcb, id, lcid, rcid); 6455738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6465738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 6475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CMD_DISC_RSP: 6495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (rcid, p); 6505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (lcid, p); 6515738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6525738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((p_ccb = l2cu_find_ccb_by_cid (p_lcb, lcid)) != NULL) 6535738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 6545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((p_ccb->remote_cid == rcid) && (p_ccb->local_id == id)) 6555738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 6565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_csm_execute (p_ccb, L2CEVT_L2CAP_DISCONNECT_RSP, &con_info); 6575738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 6585738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 6595738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 6605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6615738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CMD_ECHO_REQ: 6625738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cu_send_peer_echo_rsp (p_lcb, id, NULL, 0); 6635738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 6645738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6655738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CMD_ECHO_RSP: 6665738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_lcb->p_echo_rsp_cb) 6675738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 6685738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tL2CA_ECHO_RSP_CB *p_cb = p_lcb->p_echo_rsp_cb; 6695738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6705738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Zero out the callback in case app immediately calls us again */ 6715738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_lcb->p_echo_rsp_cb = NULL; 6725738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6735738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project (*p_cb) (L2CAP_PING_RESULT_OK); 6745738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 6755738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 6765738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6775738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CMD_INFO_REQ: 6785738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (info_type, p); 6795738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cu_send_peer_info_rsp (p_lcb, id, info_type); 6805738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 6815738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6825738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CMD_INFO_RSP: 6835738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Stop the link connect timer if sent before L2CAP connection is up */ 6845738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_lcb->w4_info_rsp) 6855738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 68678bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov alarm_cancel(p_lcb->info_resp_timer); 6875738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_lcb->w4_info_rsp = FALSE; 6885738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 6895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6905738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (info_type, p); 6915738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (result, p); 6925738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6935738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_lcb->info_rx_bits |= (1 << info_type); 6945738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6955738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ( (info_type == L2CAP_EXTENDED_FEATURES_INFO_TYPE) 6965738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project && (result == L2CAP_INFO_RESP_RESULT_SUCCESS) ) 6975738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 6985738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32( p_lcb->peer_ext_fea, p ); 6995738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7005738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#if (L2CAP_NUM_FIXED_CHNLS > 0) 7015738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_lcb->peer_ext_fea & L2CAP_EXTFEA_FIXED_CHNLS) 7025738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 7035738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cu_send_peer_info_req (p_lcb, L2CAP_FIXED_CHANNELS_INFO_TYPE); 7045738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 7055738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7065738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 7075738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 7085738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cu_process_fixed_chnl_resp (p_lcb); 7095738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 7115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#if (L2CAP_NUM_FIXED_CHNLS > 0) 7145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (info_type == L2CAP_FIXED_CHANNELS_INFO_TYPE) 7155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 7165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (result == L2CAP_INFO_RESP_RESULT_SUCCESS) 7175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 7185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project memcpy (p_lcb->peer_chnl_mask, p, L2CAP_FIXED_CHNL_ARRAY_SIZE); 7195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7215738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cu_process_fixed_chnl_resp (p_lcb); 7225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 7245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#if (L2CAP_UCD_INCLUDED == TRUE) 7255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else if (info_type == L2CAP_CONNLESS_MTU_INFO_TYPE) 7265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 7275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (result == L2CAP_INFO_RESP_RESULT_SUCCESS) 7285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 7295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (p_lcb->ucd_mtu, p); 7305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 7335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project ci.status = HCI_SUCCESS; 7355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project memcpy (ci.bd_addr, p_lcb->remote_bd_addr, sizeof(BD_ADDR)); 7365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project for (p_ccb = p_lcb->ccb_queue.p_first_ccb; p_ccb; p_ccb = p_ccb->p_next_ccb) 7375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 7385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_csm_execute (p_ccb, L2CEVT_L2CAP_INFO_RSP, &ci); 7395738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 7415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7425738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project default: 743a51c9d9d225e41fe36a0133f1c17fd981ea59c1dSharvil Nanavati L2CAP_TRACE_WARNING ("L2CAP - bad cmd code: %d", cmd_code); 7445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cu_send_peer_cmd_reject (p_lcb, L2CAP_CMD_REJ_NOT_UNDERSTOOD, id, 0, 0); 7455738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return; 7465738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 7495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 7515738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 7525738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Function l2c_process_held_packets 7535738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 7545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Description This function processes any L2CAP packets that arrived before 7555738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** the HCI connection complete arrived. It is a work around for 7565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** badly behaved controllers. 7575738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 7585738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Returns void 7595738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 7605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project*******************************************************************************/ 761305c15954d69b1a5e15817f6939b907e89100c04Chris Mantonvoid l2c_process_held_packets(BOOLEAN timed_out) { 762305c15954d69b1a5e15817f6939b907e89100c04Chris Manton if (list_is_empty(l2cb.rcv_pending_q)) 7635738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return; 7645738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 765305c15954d69b1a5e15817f6939b907e89100c04Chris Manton if (!timed_out) { 76678bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov alarm_cancel(l2cb.receive_hold_timer); 767a51c9d9d225e41fe36a0133f1c17fd981ea59c1dSharvil Nanavati L2CAP_TRACE_WARNING("L2CAP HOLD CONTINUE"); 768305c15954d69b1a5e15817f6939b907e89100c04Chris Manton } else { 769a51c9d9d225e41fe36a0133f1c17fd981ea59c1dSharvil Nanavati L2CAP_TRACE_WARNING("L2CAP HOLD TIMEOUT"); 7705738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7715738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 772305c15954d69b1a5e15817f6939b907e89100c04Chris Manton for (const list_node_t *node = list_begin(l2cb.rcv_pending_q); 773305c15954d69b1a5e15817f6939b907e89100c04Chris Manton node != list_end(l2cb.rcv_pending_q);) { 774305c15954d69b1a5e15817f6939b907e89100c04Chris Manton BT_HDR *p_buf = list_node(node); 775305c15954d69b1a5e15817f6939b907e89100c04Chris Manton node = list_next(node); 776305c15954d69b1a5e15817f6939b907e89100c04Chris Manton if (!timed_out || (!p_buf->layer_specific) || (--p_buf->layer_specific == 0)) { 777305c15954d69b1a5e15817f6939b907e89100c04Chris Manton list_remove(l2cb.rcv_pending_q, p_buf); 7785738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_buf->layer_specific = 0xFFFF; 779305c15954d69b1a5e15817f6939b907e89100c04Chris Manton l2c_rcv_acl_data(p_buf); 7805738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7815738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7825738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7835738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* If anyone still in the queue, restart the timeout */ 78478bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov if (!list_is_empty(l2cb.rcv_pending_q)) { 78578bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov alarm_set_on_queue(l2cb.receive_hold_timer, BT_1SEC_TIMEOUT_MS, 78678bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov l2c_receive_hold_timer_timeout, NULL, 78778bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov btu_general_alarm_queue); 78878bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov } 7895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 7905738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7915738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 7925738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 7935738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Function l2c_init 7945738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 7955738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Description This function is called once at startup to initialize 7965738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** all the L2CAP structures 7975738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 7985738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Returns void 7995738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 8005738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project*******************************************************************************/ 8015738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectvoid l2c_init (void) 8025738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 8035738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project INT16 xx; 8045738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8055738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project memset (&l2cb, 0, sizeof (tL2C_CB)); 8065738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* the psm is increased by 2 before being used */ 8075738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cb.dyn_psm = 0xFFF; 8085738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8095738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Put all the channel control blocks on the free queue */ 8105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project for (xx = 0; xx < MAX_L2CAP_CHANNELS - 1; xx++) 8115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 8125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cb.ccb_pool[xx].p_next_ccb = &l2cb.ccb_pool[xx + 1]; 8135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 8145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#if (L2CAP_NON_FLUSHABLE_PB_INCLUDED == TRUE) 8165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* it will be set to L2CAP_PKT_START_NON_FLUSHABLE if controller supports */ 8175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cb.non_flushable_pbf = L2CAP_PKT_START << L2CAP_PKT_TYPE_SHIFT; 8185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 8195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cb.p_free_ccb_first = &l2cb.ccb_pool[0]; 8215738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cb.p_free_ccb_last = &l2cb.ccb_pool[MAX_L2CAP_CHANNELS - 1]; 8225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#ifdef L2CAP_DESIRED_LINK_ROLE 8245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cb.desire_role = L2CAP_DESIRED_LINK_ROLE; 8255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#else 8265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cb.desire_role = HCI_ROLE_SLAVE; 8275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 8285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Set the default idle timeout */ 8305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cb.idle_timeout = L2CAP_LINK_INACTIVITY_TOUT; 8315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#if defined(L2CAP_INITIAL_TRACE_LEVEL) 8335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cb.l2cap_trace_level = L2CAP_INITIAL_TRACE_LEVEL; 8345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#else 8355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cb.l2cap_trace_level = BT_TRACE_LEVEL_NONE; /* No traces */ 8365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 8375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#if L2CAP_CONFORMANCE_TESTING == TRUE 8395738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Conformance testing needs a dynamic response */ 8405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cb.test_info_resp = L2CAP_EXTFEA_SUPPORTED_MASK; 8415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 8425738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Number of ACL buffers to use for high priority channel */ 8445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#if (defined(L2CAP_HIGH_PRI_CHAN_QUOTA_IS_CONFIGURABLE) && (L2CAP_HIGH_PRI_CHAN_QUOTA_IS_CONFIGURABLE == TRUE)) 8455738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cb.high_pri_min_xmit_quota = L2CAP_HIGH_PRI_MIN_XMIT_QUOTA; 8465738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 8475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 84891fbc7e560bb9c9f344980a18983d32e51f0360aAndre Eisenbach#if BLE_INCLUDED == TRUE 8490b47e0a35c16f5b7d77c30ec1c095ed92ff4fd74Satya Calloji l2cb.l2c_ble_fixed_chnls_mask = 8500b47e0a35c16f5b7d77c30ec1c095ed92ff4fd74Satya Calloji L2CAP_FIXED_CHNL_ATT_BIT | L2CAP_FIXED_CHNL_BLE_SIG_BIT | L2CAP_FIXED_CHNL_SMP_BIT; 85191fbc7e560bb9c9f344980a18983d32e51f0360aAndre Eisenbach#endif 8520b47e0a35c16f5b7d77c30ec1c095ed92ff4fd74Satya Calloji 853305c15954d69b1a5e15817f6939b907e89100c04Chris Manton l2cb.rcv_pending_q = list_new(NULL); 854305c15954d69b1a5e15817f6939b907e89100c04Chris Manton if (l2cb.rcv_pending_q == NULL) 855db554581079863974af8e1289646f5deea6fc044Marie Janssen LOG_ERROR(LOG_TAG, "%s unable to allocate memory for link layer control block", __func__); 85678bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov l2cb.receive_hold_timer = alarm_new("l2c.receive_hold_timer"); 857305c15954d69b1a5e15817f6939b907e89100c04Chris Manton} 858305c15954d69b1a5e15817f6939b907e89100c04Chris Manton 859305c15954d69b1a5e15817f6939b907e89100c04Chris Mantonvoid l2c_free(void) { 860305c15954d69b1a5e15817f6939b907e89100c04Chris Manton list_free(l2cb.rcv_pending_q); 861ba64c39c8caa2f04f3d78765b48d661b7e9d19eePavlin Radoslavov l2cb.rcv_pending_q = NULL; 8625738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 8635738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 86478bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavovvoid l2c_receive_hold_timer_timeout(UNUSED_ATTR void *data) 8655738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 86678bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov /* Update the timeouts in the hold queue */ 86778bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov l2c_process_held_packets(TRUE); 86878bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov} 86978bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov 87078bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavovvoid l2c_ccb_timer_timeout(void *data) 87178bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov{ 87278bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov tL2C_CCB *p_ccb = (tL2C_CCB *)data; 87378bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov 87478bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov l2c_csm_execute(p_ccb, L2CEVT_TIMEOUT, NULL); 87578bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov} 87678bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov 87778bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavovvoid l2c_fcrb_ack_timer_timeout(void *data) 87878bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov{ 87978bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov tL2C_CCB *p_ccb = (tL2C_CCB *)data; 88078bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov 88178bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov l2c_csm_execute(p_ccb, L2CEVT_ACK_TIMEOUT, NULL); 88278bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov} 88378bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov 88478bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavovvoid l2c_lcb_timer_timeout(void *data) 88578bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov{ 88678bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov tL2C_LCB *p_lcb = (tL2C_LCB *)data; 88778bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov 88878bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov l2c_link_timeout(p_lcb); 8895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 8905738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8915738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 8925738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 8935738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Function l2c_data_write 8945738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 8955738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Description API functions call this function to write data. 8965738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 8975738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Returns L2CAP_DW_SUCCESS, if data accepted, else FALSE 8985738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** L2CAP_DW_CONGESTED, if data accepted and the channel is congested 8995738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** L2CAP_DW_FAILED, if error 9005738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 9015738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project*******************************************************************************/ 9025738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source ProjectUINT8 l2c_data_write (UINT16 cid, BT_HDR *p_data, UINT16 flags) 9035738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 9045738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tL2C_CCB *p_ccb; 9055738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 9065738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Find the channel control block. We don't know the link it is on. */ 9075738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((p_ccb = l2cu_find_ccb_by_cid (NULL, cid)) == NULL) 9085738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 909a51c9d9d225e41fe36a0133f1c17fd981ea59c1dSharvil Nanavati L2CAP_TRACE_WARNING ("L2CAP - no CCB for L2CA_DataWrite, CID: %d", cid); 910abd70abb5e42c9431df94fe9d2c4a78a0d8d9af9Pavlin Radoslavov osi_free(p_data); 9115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return (L2CAP_DW_FAILED); 9125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 9135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 9145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#ifndef TESTER /* Tester may send any amount of data. otherwise sending message 9155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project bigger than mtu size of peer is a violation of protocol */ 916ab99638f9a05ae7ed04ab0a75d48cbd1d78b36e8Navin Kochar UINT16 mtu; 917ab99638f9a05ae7ed04ab0a75d48cbd1d78b36e8Navin Kochar 918ab99638f9a05ae7ed04ab0a75d48cbd1d78b36e8Navin Kochar if (p_ccb->p_lcb->transport == BT_TRANSPORT_LE) 919ab99638f9a05ae7ed04ab0a75d48cbd1d78b36e8Navin Kochar mtu = p_ccb->peer_conn_cfg.mtu; 920ab99638f9a05ae7ed04ab0a75d48cbd1d78b36e8Navin Kochar else 921ab99638f9a05ae7ed04ab0a75d48cbd1d78b36e8Navin Kochar mtu = p_ccb->peer_cfg.mtu; 922ab99638f9a05ae7ed04ab0a75d48cbd1d78b36e8Navin Kochar 923ab99638f9a05ae7ed04ab0a75d48cbd1d78b36e8Navin Kochar if (p_data->len > mtu) 9245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 925a51c9d9d225e41fe36a0133f1c17fd981ea59c1dSharvil Nanavati L2CAP_TRACE_WARNING ("L2CAP - CID: 0x%04x cannot send message bigger than peer's mtu size", cid); 926abd70abb5e42c9431df94fe9d2c4a78a0d8d9af9Pavlin Radoslavov osi_free(p_data); 9275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return (L2CAP_DW_FAILED); 9285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 9295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 9305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 9315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* channel based, packet based flushable or non-flushable */ 9325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_data->layer_specific = flags; 9335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 9345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* If already congested, do not accept any more packets */ 9355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_ccb->cong_sent) 9365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 937a51c9d9d225e41fe36a0133f1c17fd981ea59c1dSharvil Nanavati L2CAP_TRACE_ERROR ("L2CAP - CID: 0x%04x cannot send, already congested xmit_hold_q.count: %u buff_quota: %u", 9381a3844f933bd63c8a381371dabfb35c6a0249e3ePavlin Radoslavov p_ccb->local_cid, 9391a3844f933bd63c8a381371dabfb35c6a0249e3ePavlin Radoslavov fixed_queue_length(p_ccb->xmit_hold_q), 9401a3844f933bd63c8a381371dabfb35c6a0249e3ePavlin Radoslavov p_ccb->buff_quota); 9415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 942abd70abb5e42c9431df94fe9d2c4a78a0d8d9af9Pavlin Radoslavov osi_free(p_data); 9435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return (L2CAP_DW_FAILED); 9445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 9455738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 946cccf02fadb2dd4dceb22f2d58ed5840b0ef1860eChris Manton 9475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_csm_execute (p_ccb, L2CEVT_L2CA_DATA_WRITE, p_data); 9485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 9495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_ccb->cong_sent) 9505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return (L2CAP_DW_CONGESTED); 9515738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 9525738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return (L2CAP_DW_SUCCESS); 9535738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 9545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 955