Return-Path: From: Gowtham Anandha Babu To: 'linux-bluetooth' References: <1427974325-3280-1-git-send-email-gowtham.ab@samsung.com> <001401d0702c$8add5f60$a0981e20$@samsung.com> In-reply-to: <001401d0702c$8add5f60$a0981e20$@samsung.com> Subject: RE: [PATCH] monitor: Add initial support for BNEP Date: Wed, 08 Apr 2015 15:59:43 +0530 Message-id: <001401d071e6$f9c0e710$ed42b530$@samsung.com> MIME-version: 1.0 Content-type: text/plain; charset=utf-8 Sender: linux-bluetooth-owner@vger.kernel.org List-ID: Ping. > -----Original Message----- > From: linux-bluetooth-owner@vger.kernel.org [mailto:linux-bluetooth- > owner@vger.kernel.org] On Behalf Of Gowtham Anandha Babu > Sent: Monday, April 06, 2015 11:13 AM > To: 'Grzegorz Kolodziejczyk' > Cc: 'linux-bluetooth'; bharat.panda@samsung.com; cpgs@samsung.com > Subject: RE: [PATCH] monitor: Add initial support for BNEP > > Hi Grzegorz, > > > -----Original Message----- > > From: linux-bluetooth-owner@vger.kernel.org [mailto:linux-bluetooth- > > owner@vger.kernel.org] On Behalf Of Grzegorz Kolodziejczyk > > Sent: Friday, April 03, 2015 4:23 PM > > To: Gowtham Anandha Babu > > Cc: linux-bluetooth; bharat.panda@samsung.com; cpgs@samsung.com > > Subject: Re: [PATCH] monitor: Add initial support for BNEP > > > > Hi Gowtham, > > > > On 2 April 2015 at 13:32, Gowtham Anandha Babu > > wrote: > > >> 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 > > > > > > -- > > > To unsubscribe from this list: send the line "unsubscribe > > > linux-bluetooth" in the body of a message to > > > majordomo@vger.kernel.org More majordomo info at > > > http://vger.kernel.org/majordomo-info.html > > > > I've tested it and for me it looks ok. For further development please > > remember about frames with extension headers. It'll be also nice to > > have specified frame sections/flags (e.g. control frame type, header len). > > > > Thanks for testing. I am planning to do in that way. > In the next set, all the BNEP packet type listed above will be handled. > Then only the extended headers will be handled. > Btw, complete support to handle the extended headers in kernel is done or > yet to be completed? > > Regards, > Gowtham Anandha Babu > > > BR, > > Grzegorz > > -- > > To unsubscribe from this list: send the line "unsubscribe > > linux-bluetooth" in the body of a message to majordomo@vger.kernel.org > > More majordomo info at http://vger.kernel.org/majordomo-info.html > > -- > To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in > the body of a message to majordomo@vger.kernel.org More majordomo > info at http://vger.kernel.org/majordomo-info.html