15738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/****************************************************************************** 25738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 35738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * Copyright (C) 1999-2012 Broadcom Corporation 45738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 55738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 65738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * you may not use this file except in compliance with the License. 75738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * You may obtain a copy of the License at: 85738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 95738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * See the License for the specific language governing permissions and 155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * limitations under the License. 165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project ******************************************************************************/ 185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/****************************************************************************** 205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 215738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * This file contains the main L2CAP entry points 225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project ******************************************************************************/ 245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include "bt_target.h" 265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include <stdlib.h> 275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include <string.h> 285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include <stdio.h> 295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include "gki.h" 315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include "hcimsgs.h" 325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include "l2cdefs.h" 335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include "l2c_int.h" 345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include "l2c_api.h" 355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include "btu.h" 365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include "btm_int.h" 375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/********************************************************************************/ 395738f83aeb59361a0a2eda2460113f6dc919427The 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 */ 405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/********************************************************************************/ 415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectstatic void process_l2cap_cmd (tL2C_LCB *p_lcb, UINT8 *p, UINT16 pkt_len); 425738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/********************************************************************************/ 445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/* G L O B A L L 2 C A P D A T A */ 455738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/********************************************************************************/ 465738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#if L2C_DYNAMIC_MEMORY == FALSE 475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source ProjecttL2C_CB l2cb; 485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/* Temporary - until l2cap implements group management */ 515738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#if (TCS_BCST_SETUP_INCLUDED == TRUE && TCS_INCLUDED == TRUE) 525738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectextern void tcs_proc_bcst_msg( BD_ADDR addr, BT_HDR *p_msg ) ; 53ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta#endif 545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 555738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Function l2c_bcst_msg 575738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 585738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Description 595738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Returns void 615738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 625738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project*******************************************************************************/ 635738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectvoid l2c_bcst_msg( BT_HDR *p_buf, UINT16 psm ) 645738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 655738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT8 *p; 665738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 675738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Ensure we have enough space in the buffer for the L2CAP and HCI headers */ 685738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_buf->offset < L2CAP_BCST_MIN_OFFSET) 695738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 705738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project L2CAP_TRACE_ERROR1 ("L2CAP - cannot send buffer, offset: %d", p_buf->offset); 715738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project GKI_freebuf (p_buf); 725738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return; 735738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 745738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 755738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Step back some bytes to add the headers */ 765738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_buf->offset -= (HCI_DATA_PREAMBLE_SIZE + L2CAP_PKT_OVERHEAD + L2CAP_BCST_OVERHEAD); 775738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_buf->len += L2CAP_PKT_OVERHEAD + L2CAP_BCST_OVERHEAD; 785738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 795738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Set the pointer to the beginning of the data */ 805738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p = (UINT8 *)(p_buf + 1) + p_buf->offset; 815738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 825738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* First, the HCI transport header */ 835738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT16_TO_STREAM (p, 0x0050 | (L2CAP_PKT_START << 12) | (2 << 14)); 845738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 855738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* The HCI transport will segment the buffers. */ 865738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_buf->len > btu_cb.hcit_acl_data_size) 875738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 885738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT16_TO_STREAM (p, btu_cb.hcit_acl_data_size); 895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 905738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 915738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 925738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT16_TO_STREAM (p, p_buf->len); 935738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 945738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 955738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Now the L2CAP header */ 965738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT16_TO_STREAM (p, p_buf->len - L2CAP_PKT_OVERHEAD); 975738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT16_TO_STREAM (p, L2CAP_CONNECTIONLESS_CID); 985738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT16_TO_STREAM (p, psm); 995738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1005738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_buf->len += HCI_DATA_PREAMBLE_SIZE; 1015738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1025738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_buf->len <= btu_cb.hcit_acl_pkt_size) 1035738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 1045738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project HCI_ACL_DATA_TO_LOWER (p_buf); 1055738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 1065738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 107ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta 1085738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1095738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 1105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 1115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Function l2c_rcv_acl_data 1125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 1135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Description This function is called from the HCI Interface when an ACL 1145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** data packet is received. 1155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 1165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Returns void 1175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 1185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project*******************************************************************************/ 1195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectvoid l2c_rcv_acl_data (BT_HDR *p_msg) 1205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 1215738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT8 *p = (UINT8 *)(p_msg + 1) + p_msg->offset; 1225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT16 handle, hci_len; 1235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT8 pkt_type; 1245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tL2C_LCB *p_lcb; 1255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tL2C_CCB *p_ccb = NULL; 1265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT16 l2cap_len, rcv_cid, psm; 1275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Extract the handle */ 1295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (handle, p); 1305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project pkt_type = HCID_GET_EVENT (handle); 1315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project handle = HCID_GET_HANDLE (handle); 1325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Since the HCI Transport is putting segmented packets back together, we */ 1345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* should never get a valid packet with the type set to "continuation" */ 1355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (pkt_type != L2CAP_PKT_CONTINUE) 1365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 1375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Find the LCB based on the handle */ 1385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((p_lcb = l2cu_find_lcb_by_handle (handle)) == NULL) 1395738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 1405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT8 cmd_code; 1415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1425738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* There is a slight possibility (specifically with USB) that we get an */ 1435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* L2CAP connection request before we get the HCI connection complete. */ 1445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* So for these types of messages, hold them for up to 2 seconds. */ 1455738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (hci_len, p); 1465738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (l2cap_len, p); 1475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (rcv_cid, p); 1485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cmd_code, p); 1495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((p_msg->layer_specific == 0) && (rcv_cid == L2CAP_SIGNALLING_CID) 1515738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project && (cmd_code == L2CAP_CMD_INFO_REQ || cmd_code == L2CAP_CMD_CONN_REQ)) 1525738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 1535738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project L2CAP_TRACE_WARNING5 ("L2CAP - holding ACL for unknown handle:%d ls:%d cid:%d opcode:%d cur count:%d", 1545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project handle, p_msg->layer_specific, rcv_cid, cmd_code, 1555738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cb.rcv_hold_q.count); 1565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_msg->layer_specific = 2; 1575738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project GKI_enqueue (&l2cb.rcv_hold_q, p_msg); 1585738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1595738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (l2cb.rcv_hold_q.count == 1) 1605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project btu_start_timer (&l2cb.rcv_hold_tle, BTU_TTYPE_L2CAP_HOLD, BT_1SEC_TIMEOUT); 1615738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1625738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return; 1635738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 1645738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 1655738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 1665738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project L2CAP_TRACE_ERROR5 ("L2CAP - rcvd ACL for unknown handle:%d ls:%d cid:%d opcode:%d cur count:%d", 1675738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project handle, p_msg->layer_specific, rcv_cid, cmd_code, l2cb.rcv_hold_q.count); 1685738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 1695738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project GKI_freebuf (p_msg); 1705738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return; 1715738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 1725738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 1735738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 1745738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 1755738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project L2CAP_TRACE_WARNING1 ("L2CAP - expected pkt start or complete, got: %d", pkt_type); 1765738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project GKI_freebuf (p_msg); 1775738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return; 1785738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 1795738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1805738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Extract the length and update the buffer header */ 1815738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (hci_len, p); 1825738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_msg->offset += 4; 1835738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1845738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#if (L2CAP_HOST_FLOW_CTRL == TRUE) 1855738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Send ack if we hit the threshold */ 1865738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (++p_lcb->link_pkts_unacked >= p_lcb->link_ack_thresh) 1875738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project btu_hcif_send_host_rdy_for_data(); 1885738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 1895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1905738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Extract the length and CID */ 1915738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (l2cap_len, p); 1925738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (rcv_cid, p); 1935738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1945738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Find the CCB for this CID */ 1955738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (rcv_cid >= L2CAP_BASE_APPL_CID) 1965738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 1975738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((p_ccb = l2cu_find_ccb_by_cid (p_lcb, rcv_cid)) == NULL) 1985738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 1995738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project L2CAP_TRACE_WARNING1 ("L2CAP - unknown CID: 0x%04x", rcv_cid); 2005738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project GKI_freebuf (p_msg); 2015738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return; 2025738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 2035738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 2045738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 2055738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (hci_len >= L2CAP_PKT_OVERHEAD) /* Must receive at least the L2CAP length and CID.*/ 2065738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 2075738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_msg->len = hci_len - L2CAP_PKT_OVERHEAD; 2085738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_msg->offset += L2CAP_PKT_OVERHEAD; 2095738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 2105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 2115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 2125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project L2CAP_TRACE_WARNING0 ("L2CAP - got incorrect hci header" ); 2135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project GKI_freebuf (p_msg); 2145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return; 2155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 2165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 2175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (l2cap_len != p_msg->len) 2185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 2195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project L2CAP_TRACE_WARNING2 ("L2CAP - bad length in pkt. Exp: %d Act: %d", 2205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cap_len, p_msg->len); 2215738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 2225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project GKI_freebuf (p_msg); 2235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return; 2245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 2255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 2265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Send the data through the channel state machine */ 2275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (rcv_cid == L2CAP_SIGNALLING_CID) 2285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 2295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project process_l2cap_cmd (p_lcb, p, l2cap_len); 2305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project GKI_freebuf (p_msg); 2315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 2325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else if (rcv_cid == L2CAP_CONNECTIONLESS_CID) 2335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 2345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* process_connectionless_data (p_lcb); */ 2355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (psm, p); 2365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project L2CAP_TRACE_DEBUG1( "GOT CONNECTIONLESS DATA PSM:%d", psm ) ; 2375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#if (TCS_BCST_SETUP_INCLUDED == TRUE && TCS_INCLUDED == TRUE) 2385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (psm == TCS_PSM_INTERCOM || psm == TCS_PSM_CORDLESS) 2395738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 2405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_msg->offset += L2CAP_BCST_OVERHEAD; 2415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_msg->len -= L2CAP_BCST_OVERHEAD; 2425738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tcs_proc_bcst_msg( p_lcb->remote_bd_addr, p_msg ) ; 2435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project GKI_freebuf (p_msg); 2445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 2455738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 2465738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 2475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 2485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#if (L2CAP_UCD_INCLUDED == TRUE) 2495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* if it is not broadcast, check UCD registration */ 2505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ( l2c_ucd_check_rx_pkts( p_lcb, p_msg ) ) 2515738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 2525738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* nothing to do */ 2535738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 2545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 2555738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 2565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project GKI_freebuf (p_msg); 2575738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 2585738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#if (BLE_INCLUDED == TRUE) 2595738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else if (rcv_cid == L2CAP_BLE_SIGNALLING_CID) 2605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 2615738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cble_process_sig_cmd (p_lcb, p, l2cap_len); 2625738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project GKI_freebuf (p_msg); 2635738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 2645738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 2655738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#if (L2CAP_NUM_FIXED_CHNLS > 0) 2665738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else if ((rcv_cid >= L2CAP_FIRST_FIXED_CHNL) && (rcv_cid <= L2CAP_LAST_FIXED_CHNL) && 2675738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project (l2cb.fixed_reg[rcv_cid - L2CAP_FIRST_FIXED_CHNL].pL2CA_FixedData_Cb != NULL) ) 2685738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 2695738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* If no CCB for this channel, allocate one */ 2705738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (l2cu_initialize_fixed_ccb (p_lcb, rcv_cid, &l2cb.fixed_reg[rcv_cid - L2CAP_FIRST_FIXED_CHNL].fixed_chnl_opts)) 2715738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 2725738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_ccb = p_lcb->p_fixed_ccbs[rcv_cid - L2CAP_FIRST_FIXED_CHNL]; 2735738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 2745738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_ccb->peer_cfg.fcr.mode != L2CAP_FCR_BASIC_MODE) 2755738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_fcr_proc_pdu (p_ccb, p_msg); 2765738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 2775738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project (*l2cb.fixed_reg[rcv_cid - L2CAP_FIRST_FIXED_CHNL].pL2CA_FixedData_Cb)(p_lcb->remote_bd_addr, p_msg); 2785738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 2795738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 2805738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project GKI_freebuf (p_msg); 2815738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 2825738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 2835738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 2845738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 2855738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 2865738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_ccb == NULL) 2875738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project GKI_freebuf (p_msg); 2885738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 2895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 2905738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Basic mode packets go straight to the state machine */ 2915738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_ccb->peer_cfg.fcr.mode == L2CAP_FCR_BASIC_MODE) 2925738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_csm_execute (p_ccb, L2CEVT_L2CAP_DATA, p_msg); 2935738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 2945738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 2955738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* eRTM or streaming mode, so we need to validate states first */ 2965738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((p_ccb->chnl_state == CST_OPEN) || (p_ccb->chnl_state == CST_CONFIG)) 2975738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_fcr_proc_pdu (p_ccb, p_msg); 2985738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 2995738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project GKI_freebuf (p_msg); 3005738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 3015738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 3025738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 3035738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 3045738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3055738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 3065738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 3075738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Function process_l2cap_cmd 3085738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 3095738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Description This function is called when a packet is received on the 3105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** L2CAP signalling CID 3115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 3125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Returns void 3135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 3145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project*******************************************************************************/ 3155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectstatic void process_l2cap_cmd (tL2C_LCB *p_lcb, UINT8 *p, UINT16 pkt_len) 3165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 3175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT8 *p_pkt_end, *p_next_cmd, *p_cfg_end, *p_cfg_start; 3185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT8 cmd_code, cfg_code, cfg_len, id; 3195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tL2C_CONN_INFO con_info; 3205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tL2CAP_CFG_INFO cfg_info; 3215738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT16 rej_reason, rej_mtu, lcid, rcid, info_type; 3225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tL2C_CCB *p_ccb; 3235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tL2C_RCB *p_rcb; 3245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project BOOLEAN cfg_rej; 3255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT16 cfg_rej_len, cmd_len; 3265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT16 result; 3275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tL2C_CONN_INFO ci; 3285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#if (defined BLE_INCLUDED && BLE_INCLUDED == TRUE) 3305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* if l2cap command received in CID 1 on top of an LE link, ignore this command */ 3315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_lcb->is_ble_link) 3325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return; 3335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 3345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_next_cmd = p; 3355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_pkt_end = p + pkt_len; 3365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project memset (&cfg_info, 0, sizeof(cfg_info)); 3385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3395738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* An L2CAP packet may contain multiple commands */ 3405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project while (TRUE) 3415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 3425738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Smallest command is 4 bytes */ 3435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((p = p_next_cmd) > (p_pkt_end - 4)) 3445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 3455738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3465738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cmd_code, p); 3475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (id, p); 3485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cmd_len, p); 3495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Check command length does not exceed packet length */ 3515738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((p_next_cmd = p + cmd_len) > p_pkt_end) 3525738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 3535738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project L2CAP_TRACE_WARNING3 ("Command len bad pkt_len: %d cmd_len: %d code: %d", 3545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project pkt_len, cmd_len, cmd_code); 3555738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 3565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 3575738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3585738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project switch (cmd_code) 3595738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 3605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CMD_REJECT: 3615738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (rej_reason, p); 3625738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (rej_reason == L2CAP_CMD_REJ_MTU_EXCEEDED) 3635738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 3645738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (rej_mtu, p); 3655738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* What to do with the MTU reject ? We have negotiated an MTU. For now */ 3665738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* we will ignore it and let a higher protocol timeout take care of it */ 3675738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3685738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project L2CAP_TRACE_WARNING2 ("L2CAP - MTU rej Handle: %d MTU: %d", p_lcb->handle, rej_mtu); 3695738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 3705738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (rej_reason == L2CAP_CMD_REJ_INVALID_CID) 3715738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 3725738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (rcid, p); 3735738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (lcid, p); 3745738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3755738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project L2CAP_TRACE_WARNING2 ("L2CAP - rej with CID invalid, LCID: 0x%04x RCID: 0x%04x", lcid, rcid); 3765738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3775738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Remote CID invalid. Treat as a disconnect */ 3785738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (((p_ccb = l2cu_find_ccb_by_cid (p_lcb, lcid)) != NULL) 3795738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project && (p_ccb->remote_cid == rcid)) 3805738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 3815738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Fake link disconnect - no reply is generated */ 3825738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_csm_execute (p_ccb, L2CEVT_LP_DISCONNECT_IND, NULL); 3835738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 3845738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 3855738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3865738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* SonyEricsson Info request Bug workaround (Continue connection) */ 3875738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else if (rej_reason == L2CAP_CMD_REJ_NOT_UNDERSTOOD && p_lcb->w4_info_rsp) 3885738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 3895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project btu_stop_timer (&p_lcb->info_timer_entry); 3905738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3915738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_lcb->w4_info_rsp = FALSE; 3925738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project ci.status = HCI_SUCCESS; 3935738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project memcpy (ci.bd_addr, p_lcb->remote_bd_addr, sizeof(BD_ADDR)); 3945738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3955738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* For all channels, send the event through their FSMs */ 3965738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project for (p_ccb = p_lcb->ccb_queue.p_first_ccb; p_ccb; p_ccb = p_ccb->p_next_ccb) 3975738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 3985738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_csm_execute (p_ccb, L2CEVT_L2CAP_INFO_RSP, &ci); 3995738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 4005738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 4015738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 4025738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4035738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CMD_CONN_REQ: 4045738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (con_info.psm, p); 4055738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (rcid, p); 4065738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((p_rcb = l2cu_find_rcb_by_psm (con_info.psm)) == NULL) 4075738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 4085738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project L2CAP_TRACE_WARNING1 ("L2CAP - rcvd conn req for unknown PSM: %d", con_info.psm); 4095738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cu_reject_connection (p_lcb, rcid, id, L2CAP_CONN_NO_PSM); 4105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 4115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 4125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 4135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 4145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (!p_rcb->api.pL2CA_ConnectInd_Cb) 4155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 4165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project L2CAP_TRACE_WARNING1 ("L2CAP - rcvd conn req for outgoing-only connection PSM: %d", con_info.psm); 4175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cu_reject_connection (p_lcb, rcid, id, L2CAP_CONN_NO_PSM); 4185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 4195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 4205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 4215738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((p_ccb = l2cu_allocate_ccb (p_lcb, 0)) == NULL) 4225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 4235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project L2CAP_TRACE_ERROR0 ("L2CAP - unable to allocate CCB"); 4245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cu_reject_connection (p_lcb, rcid, id, L2CAP_CONN_NO_RESOURCES); 4255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 4265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 4275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_ccb->remote_id = id; 4285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_ccb->p_rcb = p_rcb; 4295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_ccb->remote_cid = rcid; 4305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_csm_execute(p_ccb, L2CEVT_L2CAP_CONNECT_REQ, &con_info); 4325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 4335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CMD_CONN_RSP: 4355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (con_info.remote_cid, p); 4365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (lcid, p); 4375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (con_info.l2cap_result, p); 4385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (con_info.l2cap_status, p); 4395738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((p_ccb = l2cu_find_ccb_by_cid (p_lcb, lcid)) == NULL) 4415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 4425738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project L2CAP_TRACE_WARNING2 ("L2CAP - no CCB for conn rsp, LCID: %d RCID: %d", 4435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project lcid, con_info.remote_cid); 4445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 4455738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 4465738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_ccb->local_id != id) 4475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 4485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project L2CAP_TRACE_WARNING2 ("L2CAP - con rsp - bad ID. Exp: %d Got: %d", 4495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_ccb->local_id, id); 4505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 4515738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 4525738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4535738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (con_info.l2cap_result == L2CAP_CONN_OK) 4545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_csm_execute(p_ccb, L2CEVT_L2CAP_CONNECT_RSP, &con_info); 4555738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else if (con_info.l2cap_result == L2CAP_CONN_PENDING) 4565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_csm_execute(p_ccb, L2CEVT_L2CAP_CONNECT_RSP_PND, &con_info); 4575738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 4585738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_csm_execute(p_ccb, L2CEVT_L2CAP_CONNECT_RSP_NEG, &con_info); 4595738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 4615738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4625738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CMD_CONFIG_REQ: 4635738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_cfg_end = p + cmd_len; 4645738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_rej = FALSE; 4655738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_rej_len = 0; 4665738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4675738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (lcid, p); 4685738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cfg_info.flags, p); 4695738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4705738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_cfg_start = p; 4715738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4725738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.flush_to_present = cfg_info.mtu_present = cfg_info.qos_present = 4735738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.fcr_present = cfg_info.fcs_present = FALSE; 4745738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4755738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project while (p < p_cfg_end) 4765738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 4775738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_code, p); 4785738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_len, p); 4795738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4805738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project switch (cfg_code & 0x7F) 4815738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 4825738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CFG_TYPE_MTU: 4835738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.mtu_present = TRUE; 4845738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cfg_info.mtu, p); 4855738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 4865738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4875738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CFG_TYPE_FLUSH_TOUT: 4885738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.flush_to_present = TRUE; 4895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cfg_info.flush_to, p); 4905738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 4915738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4925738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CFG_TYPE_QOS: 4935738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.qos_present = TRUE; 4945738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.qos.qos_flags, p); 4955738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.qos.service_type, p); 4965738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.qos.token_rate, p); 4975738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.qos.token_bucket_size, p); 4985738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.qos.peak_bandwidth, p); 4995738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.qos.latency, p); 5005738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.qos.delay_variation, p); 5015738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 5025738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 5035738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CFG_TYPE_FCR: 5045738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.fcr_present = TRUE; 5055738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.fcr.mode, p); 5065738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.fcr.tx_win_sz, p); 5075738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.fcr.max_transmit, p); 5085738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cfg_info.fcr.rtrans_tout, p); 5095738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cfg_info.fcr.mon_tout, p); 5105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cfg_info.fcr.mps, p); 5115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 5125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 5135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CFG_TYPE_FCS: 5145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.fcs_present = TRUE; 5155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.fcs, p); 5165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 5175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 5185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CFG_TYPE_EXT_FLOW: 5195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.ext_flow_spec_present = TRUE; 5205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.ext_flow_spec.id, p); 5215738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.ext_flow_spec.stype, p); 5225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cfg_info.ext_flow_spec.max_sdu_size, p); 5235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.ext_flow_spec.sdu_inter_time, p); 5245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.ext_flow_spec.access_latency, p); 5255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.ext_flow_spec.flush_timeout, p); 5265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 5275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 5285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project default: 5295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* sanity check option length */ 5305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((cfg_len + L2CAP_CFG_OPTION_OVERHEAD) <= cmd_len) 5315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 5325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p += cfg_len; 5335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((cfg_code & 0x80) == 0) 5345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 5355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_rej_len += cfg_len + L2CAP_CFG_OPTION_OVERHEAD; 5365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_rej = TRUE; 5375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 5385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 5395738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* bad length; force loop exit */ 5405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 5415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 5425738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p = p_cfg_end; 5435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_rej = TRUE; 5445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 5455738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 5465738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 5475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 5485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 5495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((p_ccb = l2cu_find_ccb_by_cid (p_lcb, lcid)) != NULL) 5505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 5515738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_ccb->remote_id = id; 5525738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (cfg_rej) 5535738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 5545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cu_send_peer_config_rej (p_ccb, p_cfg_start, (UINT16) (cmd_len - L2CAP_CONFIG_REQ_LEN), cfg_rej_len); 5555738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 5565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 5575738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 5585738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_csm_execute (p_ccb, L2CEVT_L2CAP_CONFIG_REQ, &cfg_info); 5595738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 5605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 5615738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 5625738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 5635738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* updated spec says send command reject on invalid cid */ 5645738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cu_send_peer_cmd_reject (p_lcb, L2CAP_CMD_REJ_INVALID_CID, id, 0, 0); 5655738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 5665738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 5675738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 5685738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CMD_CONFIG_RSP: 5695738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_cfg_end = p + cmd_len; 5705738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (lcid, p); 5715738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cfg_info.flags, p); 5725738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cfg_info.result, p); 5735738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 5745738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.flush_to_present = cfg_info.mtu_present = cfg_info.qos_present = 5755738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.fcr_present = cfg_info.fcs_present = FALSE; 5765738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 5775738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project while (p < p_cfg_end) 5785738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 5795738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_code, p); 5805738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_len, p); 5815738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 5825738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project switch (cfg_code & 0x7F) 5835738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 5845738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CFG_TYPE_MTU: 5855738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.mtu_present = TRUE; 5865738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cfg_info.mtu, p); 5875738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 5885738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 5895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CFG_TYPE_FLUSH_TOUT: 5905738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.flush_to_present = TRUE; 5915738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cfg_info.flush_to, p); 5925738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 5935738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 5945738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CFG_TYPE_QOS: 5955738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.qos_present = TRUE; 5965738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.qos.qos_flags, p); 5975738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.qos.service_type, p); 5985738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.qos.token_rate, p); 5995738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.qos.token_bucket_size, p); 6005738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.qos.peak_bandwidth, p); 6015738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.qos.latency, p); 6025738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.qos.delay_variation, p); 6035738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 6045738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6055738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CFG_TYPE_FCR: 6065738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.fcr_present = TRUE; 6075738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.fcr.mode, p); 6085738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.fcr.tx_win_sz, p); 6095738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.fcr.max_transmit, p); 6105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cfg_info.fcr.rtrans_tout, p); 6115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cfg_info.fcr.mon_tout, p); 6125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cfg_info.fcr.mps, p); 6135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 6145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CFG_TYPE_FCS: 6165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.fcs_present = TRUE; 6175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.fcs, p); 6185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 6195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CFG_TYPE_EXT_FLOW: 6215738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cfg_info.ext_flow_spec_present = TRUE; 6225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.ext_flow_spec.id, p); 6235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8 (cfg_info.ext_flow_spec.stype, p); 6245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (cfg_info.ext_flow_spec.max_sdu_size, p); 6255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.ext_flow_spec.sdu_inter_time, p); 6265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.ext_flow_spec.access_latency, p); 6275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32 (cfg_info.ext_flow_spec.flush_timeout, p); 6285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 6295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 6305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 6315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((p_ccb = l2cu_find_ccb_by_cid (p_lcb, lcid)) != NULL) 6335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 6345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_ccb->local_id != id) 6355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 6365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project L2CAP_TRACE_WARNING2 ("L2CAP - cfg rsp - bad ID. Exp: %d Got: %d", 6375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_ccb->local_id, id); 6385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 6395738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 6405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ( (cfg_info.result == L2CAP_CFG_OK) || (cfg_info.result == L2CAP_CFG_PENDING) ) 6415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_csm_execute (p_ccb, L2CEVT_L2CAP_CONFIG_RSP, &cfg_info); 6425738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 6435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_csm_execute (p_ccb, L2CEVT_L2CAP_CONFIG_RSP_NEG, &cfg_info); 6445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 6455738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 6465738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 6475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project L2CAP_TRACE_WARNING1 ("L2CAP - rcvd cfg rsp for unknown CID: 0x%04x", lcid); 6485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 6495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 6505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6515738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6525738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CMD_DISC_REQ: 6535738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (lcid, p); 6545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (rcid, p); 6555738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((p_ccb = l2cu_find_ccb_by_cid (p_lcb, lcid)) != NULL) 6575738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 6585738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_ccb->remote_cid == rcid) 6595738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 6605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_ccb->remote_id = id; 6615738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_csm_execute (p_ccb, L2CEVT_L2CAP_DISCONNECT_REQ, &con_info); 6625738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 6635738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 6645738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 6655738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cu_send_peer_disc_rsp (p_lcb, id, lcid, rcid); 6665738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6675738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 6685738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6695738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CMD_DISC_RSP: 6705738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (rcid, p); 6715738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (lcid, p); 6725738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6735738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((p_ccb = l2cu_find_ccb_by_cid (p_lcb, lcid)) != NULL) 6745738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 6755738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((p_ccb->remote_cid == rcid) && (p_ccb->local_id == id)) 6765738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 6775738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_csm_execute (p_ccb, L2CEVT_L2CAP_DISCONNECT_RSP, &con_info); 6785738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 6795738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 6805738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 6815738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6825738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CMD_ECHO_REQ: 6835738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cu_send_peer_echo_rsp (p_lcb, id, NULL, 0); 6845738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 6855738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6865738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CMD_ECHO_RSP: 6875738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_lcb->p_echo_rsp_cb) 6885738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 6895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tL2CA_ECHO_RSP_CB *p_cb = p_lcb->p_echo_rsp_cb; 6905738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6915738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Zero out the callback in case app immediately calls us again */ 6925738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_lcb->p_echo_rsp_cb = NULL; 6935738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6945738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project (*p_cb) (L2CAP_PING_RESULT_OK); 6955738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 6965738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 6975738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6985738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CMD_INFO_REQ: 6995738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (info_type, p); 7005738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cu_send_peer_info_rsp (p_lcb, id, info_type); 7015738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 7025738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7035738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case L2CAP_CMD_INFO_RSP: 7045738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Stop the link connect timer if sent before L2CAP connection is up */ 7055738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_lcb->w4_info_rsp) 7065738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 7075738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project btu_stop_timer (&p_lcb->info_timer_entry); 7085738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_lcb->w4_info_rsp = FALSE; 7095738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (info_type, p); 7125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (result, p); 7135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_lcb->info_rx_bits |= (1 << info_type); 7155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ( (info_type == L2CAP_EXTENDED_FEATURES_INFO_TYPE) 7175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project && (result == L2CAP_INFO_RESP_RESULT_SUCCESS) ) 7185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 7195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT32( p_lcb->peer_ext_fea, p ); 7205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7215738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#if (L2CAP_NUM_FIXED_CHNLS > 0) 7225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_lcb->peer_ext_fea & L2CAP_EXTFEA_FIXED_CHNLS) 7235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 7245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cu_send_peer_info_req (p_lcb, L2CAP_FIXED_CHANNELS_INFO_TYPE); 7255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 7265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 7285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 7295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cu_process_fixed_chnl_resp (p_lcb); 7305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 7325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#if (L2CAP_NUM_FIXED_CHNLS > 0) 7365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (info_type == L2CAP_FIXED_CHANNELS_INFO_TYPE) 7375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 7385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (result == L2CAP_INFO_RESP_RESULT_SUCCESS) 7395738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 7405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project memcpy (p_lcb->peer_chnl_mask, p, L2CAP_FIXED_CHNL_ARRAY_SIZE); 7415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7425738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cu_process_fixed_chnl_resp (p_lcb); 7445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7455738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 7465738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#if (L2CAP_UCD_INCLUDED == TRUE) 7475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else if (info_type == L2CAP_CONNLESS_MTU_INFO_TYPE) 7485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 7495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (result == L2CAP_INFO_RESP_RESULT_SUCCESS) 7505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 7515738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT16 (p_lcb->ucd_mtu, p); 7525738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7535738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 7555738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project ci.status = HCI_SUCCESS; 7575738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project memcpy (ci.bd_addr, p_lcb->remote_bd_addr, sizeof(BD_ADDR)); 7585738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project for (p_ccb = p_lcb->ccb_queue.p_first_ccb; p_ccb; p_ccb = p_ccb->p_next_ccb) 7595738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 7605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_csm_execute (p_ccb, L2CEVT_L2CAP_INFO_RSP, &ci); 7615738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7625738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 7635738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7645738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project default: 7655738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project L2CAP_TRACE_WARNING1 ("L2CAP - bad cmd code: %d", cmd_code); 7665738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cu_send_peer_cmd_reject (p_lcb, L2CAP_CMD_REJ_NOT_UNDERSTOOD, id, 0, 0); 7675738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return; 7685738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7695738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7705738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 7715738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7725738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 7735738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 7745738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Function l2c_process_held_packets 7755738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 7765738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Description This function processes any L2CAP packets that arrived before 7775738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** the HCI connection complete arrived. It is a work around for 7785738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** badly behaved controllers. 7795738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 7805738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Returns void 7815738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 7825738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project*******************************************************************************/ 7835738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectvoid l2c_process_held_packets (BOOLEAN timed_out) 7845738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 7855738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project BT_HDR *p_buf, *p_buf1; 7865738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project BUFFER_Q *p_rcv_hold_q = &l2cb.rcv_hold_q; 7875738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7885738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (!p_rcv_hold_q->count) 7895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return; 7905738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7915738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (!timed_out) 7925738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 7935738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project btu_stop_timer(&l2cb.rcv_hold_tle); 7945738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project L2CAP_TRACE_WARNING0("L2CAP HOLD CONTINUE"); 7955738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7965738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 7975738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 7985738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project L2CAP_TRACE_WARNING0("L2CAP HOLD TIMEOUT"); 7995738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 8005738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8015738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Update the timeouts in the hold queue */ 8025738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project for (p_buf = (BT_HDR *)GKI_getfirst (p_rcv_hold_q); p_buf; p_buf = p_buf1) 8035738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 8045738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_buf1 = (BT_HDR *)GKI_getnext (p_buf); 8055738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (!timed_out || (!p_buf->layer_specific) || (--p_buf->layer_specific == 0)) 8065738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 8075738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project GKI_remove_from_queue (p_rcv_hold_q, p_buf); 8085738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_buf->layer_specific = 0xFFFF; 8095738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_rcv_acl_data (p_buf); 8105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 8115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 8125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* If anyone still in the queue, restart the timeout */ 8145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_rcv_hold_q->count) 8155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project btu_start_timer (&l2cb.rcv_hold_tle, BTU_TTYPE_L2CAP_HOLD, BT_1SEC_TIMEOUT); 8165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 8175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 8205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 8215738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Function l2c_init 8225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 8235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Description This function is called once at startup to initialize 8245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** all the L2CAP structures 8255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 8265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Returns void 8275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 8285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project*******************************************************************************/ 8295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectvoid l2c_init (void) 8305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 8315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project INT16 xx; 8325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project memset (&l2cb, 0, sizeof (tL2C_CB)); 8345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* the psm is increased by 2 before being used */ 8355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cb.dyn_psm = 0xFFF; 8365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Put all the channel control blocks on the free queue */ 8385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project for (xx = 0; xx < MAX_L2CAP_CHANNELS - 1; xx++) 8395738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 8405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cb.ccb_pool[xx].p_next_ccb = &l2cb.ccb_pool[xx + 1]; 8415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 8425738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#if (L2CAP_NON_FLUSHABLE_PB_INCLUDED == TRUE) 8445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* it will be set to L2CAP_PKT_START_NON_FLUSHABLE if controller supports */ 8455738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cb.non_flushable_pbf = L2CAP_PKT_START << L2CAP_PKT_TYPE_SHIFT; 8465738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 8475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cb.p_free_ccb_first = &l2cb.ccb_pool[0]; 8505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cb.p_free_ccb_last = &l2cb.ccb_pool[MAX_L2CAP_CHANNELS - 1]; 8515738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8525738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#ifdef L2CAP_DESIRED_LINK_ROLE 8535738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cb.desire_role = L2CAP_DESIRED_LINK_ROLE; 8545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#else 8555738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cb.desire_role = HCI_ROLE_SLAVE; 8565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 8575738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8585738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Set the default idle timeout */ 8595738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cb.idle_timeout = L2CAP_LINK_INACTIVITY_TOUT; 8605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8615738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#if defined(L2CAP_INITIAL_TRACE_LEVEL) 8625738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cb.l2cap_trace_level = L2CAP_INITIAL_TRACE_LEVEL; 8635738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#else 8645738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cb.l2cap_trace_level = BT_TRACE_LEVEL_NONE; /* No traces */ 8655738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 8665738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8675738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#if L2CAP_CONFORMANCE_TESTING == TRUE 8685738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Conformance testing needs a dynamic response */ 8695738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cb.test_info_resp = L2CAP_EXTFEA_SUPPORTED_MASK; 8705738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 8715738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8725738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Number of ACL buffers to use for high priority channel */ 8735738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#if (defined(L2CAP_HIGH_PRI_CHAN_QUOTA_IS_CONFIGURABLE) && (L2CAP_HIGH_PRI_CHAN_QUOTA_IS_CONFIGURABLE == TRUE)) 8745738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2cb.high_pri_min_xmit_quota = L2CAP_HIGH_PRI_MIN_XMIT_QUOTA; 8755738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 8765738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8775738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 8785738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8795738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 8805738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 8815738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Function l2c_process_timeout 8825738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 8835738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Description This function is called when an L2CAP-related timeout occurs 8845738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 8855738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Returns void 8865738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 8875738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project*******************************************************************************/ 8885738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectvoid l2c_process_timeout (TIMER_LIST_ENT *p_tle) 8895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 8905738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* What type of timeout ? */ 8915738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project switch (p_tle->event) 8925738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 8935738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case BTU_TTYPE_L2CAP_LINK: 8945738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_link_timeout ((tL2C_LCB *)p_tle->param); 8955738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 8965738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 8975738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case BTU_TTYPE_L2CAP_CHNL: 8985738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_csm_execute (((tL2C_CCB *)p_tle->param), L2CEVT_TIMEOUT, NULL); 8995738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 9005738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 9015738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case BTU_TTYPE_L2CAP_FCR_ACK: 9025738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_csm_execute (((tL2C_CCB *)p_tle->param), L2CEVT_ACK_TIMEOUT, NULL); 9035738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 9045738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 9055738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case BTU_TTYPE_L2CAP_HOLD: 9065738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Update the timeouts in the hold queue */ 9075738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_process_held_packets(TRUE); 9085738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 9095738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 9105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case BTU_TTYPE_L2CAP_INFO: 9115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_info_timeout((tL2C_LCB *)p_tle->param); 9125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 9135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 9145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 9155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 9165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 9175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 9185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 9195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Function l2c_data_write 9205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 9215738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Description API functions call this function to write data. 9225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 9235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Returns L2CAP_DW_SUCCESS, if data accepted, else FALSE 9245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** L2CAP_DW_CONGESTED, if data accepted and the channel is congested 9255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** L2CAP_DW_FAILED, if error 9265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 9275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project*******************************************************************************/ 9285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source ProjectUINT8 l2c_data_write (UINT16 cid, BT_HDR *p_data, UINT16 flags) 9295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 9305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tL2C_CCB *p_ccb; 9315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 9325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Find the channel control block. We don't know the link it is on. */ 9335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((p_ccb = l2cu_find_ccb_by_cid (NULL, cid)) == NULL) 9345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 9355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project L2CAP_TRACE_WARNING1 ("L2CAP - no CCB for L2CA_DataWrite, CID: %d", cid); 9365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project GKI_freebuf (p_data); 9375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return (L2CAP_DW_FAILED); 9385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 9395738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 9405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#ifndef TESTER /* Tester may send any amount of data. otherwise sending message 9415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project bigger than mtu size of peer is a violation of protocol */ 9425738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_data->len > p_ccb->peer_cfg.mtu) 9435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 9445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project L2CAP_TRACE_WARNING1 ("L2CAP - CID: 0x%04x cannot send message bigger than peer's mtu size", cid); 9455738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project GKI_freebuf (p_data); 9465738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return (L2CAP_DW_FAILED); 9475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 9485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 9495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 9505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* channel based, packet based flushable or non-flushable */ 9515738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_data->layer_specific = flags; 9525738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 9535738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* If already congested, do not accept any more packets */ 9545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_ccb->cong_sent) 9555738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 9565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project L2CAP_TRACE_ERROR3 ("L2CAP - CID: 0x%04x cannot send, already congested xmit_hold_q.count: %u buff_quota: %u", 9575738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_ccb->local_cid, p_ccb->xmit_hold_q.count, p_ccb->buff_quota); 9585738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 9595738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project GKI_freebuf (p_data); 9605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return (L2CAP_DW_FAILED); 9615738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 9625738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 9635738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project l2c_csm_execute (p_ccb, L2CEVT_L2CA_DATA_WRITE, p_data); 9645738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 9655738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_ccb->cong_sent) 9665738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return (L2CAP_DW_CONGESTED); 9675738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 9685738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return (L2CAP_DW_SUCCESS); 9695738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 9705738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 971