Return-Path: From: Gowtham Anandha Babu To: linux-bluetooth@vger.kernel.org Cc: bharat.panda@samsung.com, cpgs@samsung.com, Gowtham Anandha Babu Subject: [PATCH] monitor: Add initial support for BNEP Date: Thu, 02 Apr 2015 17:02:05 +0530 Message-id: <1427974325-3280-1-git-send-email-gowtham.ab@samsung.com> Sender: linux-bluetooth-owner@vger.kernel.org List-ID: > ACL Data RX: Handle 71 flags 0x02 dlen 11 [hci0] 17.739883 Channel: 64 len 7 [PSM 15 mode 0] {chan 0} BNEP: Control (0x01|0) 01 02 11 16 11 15 ...... > ACL Data RX: Handle 71 flags 0x01 dlen 35 [hci0] 175.293028 Channel: 64 len 1532 [PSM 15 mode 0] {chan 0} BNEP: General Ethernet (0x00|1) 00 00 00 00 00 00 00 00 00 00 00 00 08 00 00 0f ................ 05 00 0c 03 00 00 20 00 00 03 00 00 20 00 00 3c ...... ..... ..< > ACL Data RX: Handle 71 flags 0x01 dlen 12 [hci0] 145.825018 Channel: 64 len 1509 [PSM 15 mode 0] {chan 0} BNEP: Compressed Ethernet Dest Only (0x04|0) 00 00 00 00 00 00 08 00 3c 3b 3a 39 38 37 36 35 ........<;:98765 34 33 32 31 30 2f 2e 2d 2c 2b 2a 29 28 27 26 25 43210/.-,+*)('&% --- Makefile.tools | 1 + android/Android.mk | 1 + monitor/bnep.c | 116 +++++++++++++++++++++++++++++++++++++++++++++++++++++ monitor/bnep.h | 25 ++++++++++++ monitor/l2cap.c | 4 ++ 5 files changed, 147 insertions(+) create mode 100644 monitor/bnep.c create mode 100644 monitor/bnep.h diff --git a/Makefile.tools b/Makefile.tools index b8dd90a..b37b774 100644 --- a/Makefile.tools +++ b/Makefile.tools @@ -28,6 +28,7 @@ monitor_btmon_SOURCES = monitor/main.c monitor/bt.h \ monitor/sdp.h monitor/sdp.c \ monitor/avctp.h monitor/avctp.c \ monitor/rfcomm.h monitor/rfcomm.c \ + monitor/bnep.h monitor/bnep.c \ monitor/uuid.h monitor/uuid.c \ monitor/hwdb.h monitor/hwdb.c \ monitor/keys.h monitor/keys.c \ diff --git a/android/Android.mk b/android/Android.mk index f218805..880e3ba 100644 --- a/android/Android.mk +++ b/android/Android.mk @@ -340,6 +340,7 @@ LOCAL_SRC_FILES := \ bluez/monitor/l2cap.c \ bluez/monitor/avctp.c \ bluez/monitor/rfcomm.c \ + bluez/monitor/bnep.c \ bluez/monitor/uuid.c \ bluez/monitor/sdp.c \ bluez/monitor/vendor.c \ diff --git a/monitor/bnep.c b/monitor/bnep.c new file mode 100644 index 0000000..1450f85 --- /dev/null +++ b/monitor/bnep.c @@ -0,0 +1,116 @@ +/* + * + * BlueZ - Bluetooth protocol stack for Linux + * + * Copyright (C) 2011-2014 Intel Corporation + * Copyright (C) 2002-2010 Marcel Holtmann + * + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + */ + +#ifdef HAVE_CONFIG_H +#include +#endif + +#include +#include +#include +#include +#include + +#include "lib/bluetooth.h" + +#include "src/shared/util.h" +#include "bt.h" +#include "packet.h" +#include "display.h" +#include "l2cap.h" +#include "uuid.h" +#include "keys.h" +#include "sdp.h" +#include "bnep.h" + +#define GET_PKT_TYPE(type) (type & 0x7f) +#define GET_EXTENSION(type) (type & 0x80) + +struct bnep_frame { + uint8_t type; + int extension; + struct l2cap_frame l2cap_frame; +}; + +struct bnep_data { + uint8_t type; + const char *str; +}; + +static const struct bnep_data bnep_table[] = { + { 0x00, "General Ethernet"}, + { 0x01, "Control"}, + { 0x02, "Compressed Ethernet"}, + { 0x03, "Compressed Ethernet Src Only"}, + { 0x04, "Compressed Ethernet Dest Only"}, + { } +}; + +void bnep_packet(const struct l2cap_frame *frame) +{ + uint8_t type; + struct bnep_frame bnep_frame; + struct l2cap_frame *l2cap_frame; + const struct bnep_data *bnep_data = NULL; + const char *pdu_color, *pdu_str; + int i; + + l2cap_frame_pull(&bnep_frame.l2cap_frame, frame, 0); + l2cap_frame = &bnep_frame.l2cap_frame; + + if (!l2cap_frame_get_u8(l2cap_frame, &type)) + goto fail; + + bnep_frame.extension = GET_EXTENSION(type); + bnep_frame.type = GET_PKT_TYPE(type); + + for (i = 0; bnep_table[i].str; i++) { + if (bnep_table[i].type == bnep_frame.type) { + bnep_data = &bnep_table[i]; + break; + } + } + + if (bnep_data) { + if (frame->in) + pdu_color = COLOR_MAGENTA; + else + pdu_color = COLOR_BLUE; + pdu_str = bnep_data->str; + } else { + pdu_color = COLOR_WHITE_BG; + pdu_str = "Unknown packet type"; + } + + print_indent(6, pdu_color, "BNEP: ", pdu_str, COLOR_OFF, + " (0x%02x|%s)", bnep_frame.type, + bnep_frame.extension ? "1" : "0"); + + packet_hexdump(l2cap_frame->data, l2cap_frame->size); + return; + +fail: + print_text(COLOR_ERROR, "frame too short"); + packet_hexdump(frame->data, frame->size); +} diff --git a/monitor/bnep.h b/monitor/bnep.h new file mode 100644 index 0000000..38340d6 --- /dev/null +++ b/monitor/bnep.h @@ -0,0 +1,25 @@ +/* + * + * BlueZ - Bluetooth protocol stack for Linux + * + * Copyright (C) 2011-2014 Intel Corporation + * Copyright (C) 2002-2010 Marcel Holtmann + * + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + */ + +void bnep_packet(const struct l2cap_frame *frame); diff --git a/monitor/l2cap.c b/monitor/l2cap.c index 5faa26f..fc565b1 100644 --- a/monitor/l2cap.c +++ b/monitor/l2cap.c @@ -43,6 +43,7 @@ #include "sdp.h" #include "avctp.h" #include "rfcomm.h" +#include "bnep.h" /* L2CAP Control Field bit masks */ #define L2CAP_CTRL_SAR_MASK 0xC000 @@ -2951,6 +2952,9 @@ static void l2cap_frame(uint16_t index, bool in, uint16_t handle, case 0x0003: rfcomm_packet(&frame); break; + case 0x000f: + bnep_packet(&frame); + break; case 0x001f: att_packet(index, in, handle, cid, data, size); break; -- 1.9.1