diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/bluetooth/Kconfig | 3 | ||||
| -rw-r--r-- | net/bluetooth/Makefile | 1 | ||||
| -rw-r--r-- | net/bluetooth/cmtp/Kconfig | 12 | ||||
| -rw-r--r-- | net/bluetooth/cmtp/Makefile | 8 | ||||
| -rw-r--r-- | net/bluetooth/cmtp/capi.c | 579 | ||||
| -rw-r--r-- | net/bluetooth/cmtp/cmtp.h | 129 | ||||
| -rw-r--r-- | net/bluetooth/cmtp/core.c | 519 | ||||
| -rw-r--r-- | net/bluetooth/cmtp/sock.c | 271 |
8 files changed, 0 insertions, 1522 deletions
diff --git a/net/bluetooth/Kconfig b/net/bluetooth/Kconfig index 6b2b65a66700..ee6457d1a5ee 100644 --- a/net/bluetooth/Kconfig +++ b/net/bluetooth/Kconfig @@ -33,7 +33,6 @@ menuconfig BT HCI Device drivers (Interface to the hardware) RFCOMM Module (RFCOMM Protocol) BNEP Module (Bluetooth Network Encapsulation Protocol) - CMTP Module (CAPI Message Transport Protocol) HIDP Module (Human Interface Device Protocol) Say Y here to compile Bluetooth support into the kernel or say M to @@ -58,8 +57,6 @@ source "net/bluetooth/rfcomm/Kconfig" source "net/bluetooth/bnep/Kconfig" -source "net/bluetooth/cmtp/Kconfig" - source "net/bluetooth/hidp/Kconfig" config BT_LE diff --git a/net/bluetooth/Makefile b/net/bluetooth/Makefile index a7eede7616d8..41049b280887 100644 --- a/net/bluetooth/Makefile +++ b/net/bluetooth/Makefile @@ -6,7 +6,6 @@ obj-$(CONFIG_BT) += bluetooth.o obj-$(CONFIG_BT_RFCOMM) += rfcomm/ obj-$(CONFIG_BT_BNEP) += bnep/ -obj-$(CONFIG_BT_CMTP) += cmtp/ obj-$(CONFIG_BT_HIDP) += hidp/ obj-$(CONFIG_BT_6LOWPAN) += bluetooth_6lowpan.o diff --git a/net/bluetooth/cmtp/Kconfig b/net/bluetooth/cmtp/Kconfig deleted file mode 100644 index 34e923466236..000000000000 --- a/net/bluetooth/cmtp/Kconfig +++ /dev/null @@ -1,12 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only -config BT_CMTP - tristate "CMTP protocol support (DEPRECATED)" - depends on BT_BREDR && ISDN_CAPI && DEPRECATED - help - CMTP (CAPI Message Transport Protocol) is a transport layer - for CAPI messages. CMTP is required for the Bluetooth Common - ISDN Access Profile. - - Say Y here to compile CMTP support into the kernel or say M to - compile it as module (cmtp). - diff --git a/net/bluetooth/cmtp/Makefile b/net/bluetooth/cmtp/Makefile deleted file mode 100644 index b2262ca97499..000000000000 --- a/net/bluetooth/cmtp/Makefile +++ /dev/null @@ -1,8 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only -# -# Makefile for the Linux Bluetooth CMTP layer -# - -obj-$(CONFIG_BT_CMTP) += cmtp.o - -cmtp-objs := core.o sock.o capi.o diff --git a/net/bluetooth/cmtp/capi.c b/net/bluetooth/cmtp/capi.c deleted file mode 100644 index b95413bffa16..000000000000 --- a/net/bluetooth/cmtp/capi.c +++ /dev/null @@ -1,579 +0,0 @@ -/* - CMTP implementation for Linux Bluetooth stack (BlueZ). - Copyright (C) 2002-2003 Marcel Holtmann <marcel@holtmann.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License version 2 as - published by the Free Software Foundation; - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. - IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY - CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES - WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - - ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, - COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS - SOFTWARE IS DISCLAIMED. -*/ - -#include <linux/export.h> -#include <linux/proc_fs.h> -#include <linux/seq_file.h> -#include <linux/types.h> -#include <linux/errno.h> -#include <linux/kernel.h> -#include <linux/sched/signal.h> -#include <linux/slab.h> -#include <linux/poll.h> -#include <linux/fcntl.h> -#include <linux/skbuff.h> -#include <linux/socket.h> -#include <linux/ioctl.h> -#include <linux/file.h> -#include <linux/wait.h> -#include <linux/kthread.h> -#include <net/sock.h> - -#include <linux/isdn/capilli.h> -#include <linux/isdn/capicmd.h> -#include <linux/isdn/capiutil.h> - -#include "cmtp.h" - -#define CAPI_INTEROPERABILITY 0x20 - -#define CAPI_INTEROPERABILITY_REQ CAPICMD(CAPI_INTEROPERABILITY, CAPI_REQ) -#define CAPI_INTEROPERABILITY_CONF CAPICMD(CAPI_INTEROPERABILITY, CAPI_CONF) -#define CAPI_INTEROPERABILITY_IND CAPICMD(CAPI_INTEROPERABILITY, CAPI_IND) -#define CAPI_INTEROPERABILITY_RESP CAPICMD(CAPI_INTEROPERABILITY, CAPI_RESP) - -#define CAPI_INTEROPERABILITY_REQ_LEN (CAPI_MSG_BASELEN + 2) -#define CAPI_INTEROPERABILITY_CONF_LEN (CAPI_MSG_BASELEN + 4) -#define CAPI_INTEROPERABILITY_IND_LEN (CAPI_MSG_BASELEN + 2) -#define CAPI_INTEROPERABILITY_RESP_LEN (CAPI_MSG_BASELEN + 2) - -#define CAPI_FUNCTION_REGISTER 0 -#define CAPI_FUNCTION_RELEASE 1 -#define CAPI_FUNCTION_GET_PROFILE 2 -#define CAPI_FUNCTION_GET_MANUFACTURER 3 -#define CAPI_FUNCTION_GET_VERSION 4 -#define CAPI_FUNCTION_GET_SERIAL_NUMBER 5 -#define CAPI_FUNCTION_MANUFACTURER 6 -#define CAPI_FUNCTION_LOOPBACK 7 - - -#define CMTP_MSGNUM 1 -#define CMTP_APPLID 2 -#define CMTP_MAPPING 3 - -static struct cmtp_application *cmtp_application_add(struct cmtp_session *session, __u16 appl) -{ - struct cmtp_application *app = kzalloc_obj(*app); - - BT_DBG("session %p application %p appl %u", session, app, appl); - - if (!app) - return NULL; - - app->state = BT_OPEN; - app->appl = appl; - - list_add_tail(&app->list, &session->applications); - - return app; -} - -static void cmtp_application_del(struct cmtp_session *session, struct cmtp_application *app) -{ - BT_DBG("session %p application %p", session, app); - - if (app) { - list_del(&app->list); - kfree(app); - } -} - -static struct cmtp_application *cmtp_application_get(struct cmtp_session *session, int pattern, __u16 value) -{ - struct cmtp_application *app; - - list_for_each_entry(app, &session->applications, list) { - switch (pattern) { - case CMTP_MSGNUM: - if (app->msgnum == value) - return app; - break; - case CMTP_APPLID: - if (app->appl == value) - return app; - break; - case CMTP_MAPPING: - if (app->mapping == value) - return app; - break; - } - } - - return NULL; -} - -static int cmtp_msgnum_get(struct cmtp_session *session) -{ - session->msgnum++; - - if ((session->msgnum & 0xff) > 200) - session->msgnum = CMTP_INITIAL_MSGNUM + 1; - - return session->msgnum; -} - -static void cmtp_send_capimsg(struct cmtp_session *session, struct sk_buff *skb) -{ - struct cmtp_scb *scb = (void *) skb->cb; - - BT_DBG("session %p skb %p len %u", session, skb, skb->len); - - scb->id = -1; - scb->data = (CAPIMSG_COMMAND(skb->data) == CAPI_DATA_B3); - - skb_queue_tail(&session->transmit, skb); - - wake_up_interruptible(sk_sleep(session->sock->sk)); -} - -static void cmtp_send_interopmsg(struct cmtp_session *session, - __u8 subcmd, __u16 appl, __u16 msgnum, - __u16 function, unsigned char *buf, int len) -{ - struct sk_buff *skb; - unsigned char *s; - - BT_DBG("session %p subcmd 0x%02x appl %u msgnum %u", session, subcmd, appl, msgnum); - - skb = alloc_skb(CAPI_MSG_BASELEN + 6 + len, GFP_ATOMIC); - if (!skb) { - BT_ERR("Can't allocate memory for interoperability packet"); - return; - } - - s = skb_put(skb, CAPI_MSG_BASELEN + 6 + len); - - capimsg_setu16(s, 0, CAPI_MSG_BASELEN + 6 + len); - capimsg_setu16(s, 2, appl); - capimsg_setu8 (s, 4, CAPI_INTEROPERABILITY); - capimsg_setu8 (s, 5, subcmd); - capimsg_setu16(s, 6, msgnum); - - /* Interoperability selector (Bluetooth Device Management) */ - capimsg_setu16(s, 8, 0x0001); - - capimsg_setu8 (s, 10, 3 + len); - capimsg_setu16(s, 11, function); - capimsg_setu8 (s, 13, len); - - if (len > 0) - memcpy(s + 14, buf, len); - - cmtp_send_capimsg(session, skb); -} - -static void cmtp_recv_interopmsg(struct cmtp_session *session, struct sk_buff *skb) -{ - struct capi_ctr *ctrl = &session->ctrl; - struct cmtp_application *application; - __u16 appl, msgnum, func, info; - __u32 controller; - - BT_DBG("session %p skb %p len %u", session, skb, skb->len); - - switch (CAPIMSG_SUBCOMMAND(skb->data)) { - case CAPI_CONF: - if (skb->len < CAPI_MSG_BASELEN + 10) - break; - - func = CAPIMSG_U16(skb->data, CAPI_MSG_BASELEN + 5); - info = CAPIMSG_U16(skb->data, CAPI_MSG_BASELEN + 8); - - switch (func) { - case CAPI_FUNCTION_REGISTER: - msgnum = CAPIMSG_MSGID(skb->data); - - application = cmtp_application_get(session, CMTP_MSGNUM, msgnum); - if (application) { - application->state = BT_CONNECTED; - application->msgnum = 0; - application->mapping = CAPIMSG_APPID(skb->data); - wake_up_interruptible(&session->wait); - } - - break; - - case CAPI_FUNCTION_RELEASE: - appl = CAPIMSG_APPID(skb->data); - - application = cmtp_application_get(session, CMTP_MAPPING, appl); - if (application) { - application->state = BT_CLOSED; - application->msgnum = 0; - wake_up_interruptible(&session->wait); - } - - break; - - case CAPI_FUNCTION_GET_PROFILE: - if (skb->len < CAPI_MSG_BASELEN + 11 + sizeof(capi_profile)) - break; - - controller = CAPIMSG_U16(skb->data, CAPI_MSG_BASELEN + 11); - msgnum = CAPIMSG_MSGID(skb->data); - - if (!info && (msgnum == CMTP_INITIAL_MSGNUM)) { - session->ncontroller = controller; - wake_up_interruptible(&session->wait); - break; - } - - if (!info && ctrl) { - memcpy(&ctrl->profile, - skb->data + CAPI_MSG_BASELEN + 11, - sizeof(capi_profile)); - session->state = BT_CONNECTED; - capi_ctr_ready(ctrl); - } - - break; - - case CAPI_FUNCTION_GET_MANUFACTURER: - if (!info && ctrl && skb->len > CAPI_MSG_BASELEN + 14) - strscpy_pad(ctrl->manu, - skb->data + CAPI_MSG_BASELEN + 15, - skb->data[CAPI_MSG_BASELEN + 14]); - break; - - case CAPI_FUNCTION_GET_VERSION: - if (skb->len < CAPI_MSG_BASELEN + 32) - break; - - if (!info && ctrl) { - ctrl->version.majorversion = CAPIMSG_U32(skb->data, CAPI_MSG_BASELEN + 16); - ctrl->version.minorversion = CAPIMSG_U32(skb->data, CAPI_MSG_BASELEN + 20); - ctrl->version.majormanuversion = CAPIMSG_U32(skb->data, CAPI_MSG_BASELEN + 24); - ctrl->version.minormanuversion = CAPIMSG_U32(skb->data, CAPI_MSG_BASELEN + 28); - } - - break; - - case CAPI_FUNCTION_GET_SERIAL_NUMBER: - if (!info && ctrl && skb->len > CAPI_MSG_BASELEN + 16) - strscpy_pad(ctrl->serial, - skb->data + CAPI_MSG_BASELEN + 17, - skb->data[CAPI_MSG_BASELEN + 16]); - break; - } - - break; - - case CAPI_IND: - if (skb->len < CAPI_MSG_BASELEN + 6) - break; - - func = CAPIMSG_U16(skb->data, CAPI_MSG_BASELEN + 3); - - if (func == CAPI_FUNCTION_LOOPBACK) { - int len = min_t(uint, skb->len - CAPI_MSG_BASELEN - 6, - skb->data[CAPI_MSG_BASELEN + 5]); - appl = CAPIMSG_APPID(skb->data); - msgnum = CAPIMSG_MSGID(skb->data); - cmtp_send_interopmsg(session, CAPI_RESP, appl, msgnum, func, - skb->data + CAPI_MSG_BASELEN + 6, len); - } - - break; - } - - kfree_skb(skb); -} - -void cmtp_recv_capimsg(struct cmtp_session *session, struct sk_buff *skb) -{ - struct capi_ctr *ctrl = &session->ctrl; - struct cmtp_application *application; - __u16 appl; - __u32 contr; - - BT_DBG("session %p skb %p len %u", session, skb, skb->len); - - if (skb->len < CAPI_MSG_BASELEN) - return; - - if (CAPIMSG_COMMAND(skb->data) == CAPI_INTEROPERABILITY) { - cmtp_recv_interopmsg(session, skb); - return; - } - - if (session->flags & BIT(CMTP_LOOPBACK)) { - kfree_skb(skb); - return; - } - - appl = CAPIMSG_APPID(skb->data); - contr = CAPIMSG_CONTROL(skb->data); - - application = cmtp_application_get(session, CMTP_MAPPING, appl); - if (application) { - appl = application->appl; - CAPIMSG_SETAPPID(skb->data, appl); - } else { - BT_ERR("Can't find application with id %u", appl); - kfree_skb(skb); - return; - } - - if ((contr & 0x7f) == 0x01) { - contr = (contr & 0xffffff80) | session->num; - CAPIMSG_SETCONTROL(skb->data, contr); - } - - capi_ctr_handle_message(ctrl, appl, skb); -} - -static int cmtp_load_firmware(struct capi_ctr *ctrl, capiloaddata *data) -{ - BT_DBG("ctrl %p data %p", ctrl, data); - - return 0; -} - -static void cmtp_reset_ctr(struct capi_ctr *ctrl) -{ - struct cmtp_session *session = ctrl->driverdata; - - BT_DBG("ctrl %p", ctrl); - - capi_ctr_down(ctrl); - - atomic_inc(&session->terminate); - wake_up_process(session->task); -} - -static void cmtp_register_appl(struct capi_ctr *ctrl, __u16 appl, capi_register_params *rp) -{ - DECLARE_WAITQUEUE(wait, current); - struct cmtp_session *session = ctrl->driverdata; - struct cmtp_application *application; - unsigned long timeo = CMTP_INTEROP_TIMEOUT; - unsigned char buf[8]; - int err = 0, nconn, want = rp->level3cnt; - - BT_DBG("ctrl %p appl %u level3cnt %u datablkcnt %u datablklen %u", - ctrl, appl, rp->level3cnt, rp->datablkcnt, rp->datablklen); - - application = cmtp_application_add(session, appl); - if (!application) { - BT_ERR("Can't allocate memory for new application"); - return; - } - - if (want < 0) - nconn = ctrl->profile.nbchannel * -want; - else - nconn = want; - - if (nconn == 0) - nconn = ctrl->profile.nbchannel; - - capimsg_setu16(buf, 0, nconn); - capimsg_setu16(buf, 2, rp->datablkcnt); - capimsg_setu16(buf, 4, rp->datablklen); - - application->state = BT_CONFIG; - application->msgnum = cmtp_msgnum_get(session); - - cmtp_send_interopmsg(session, CAPI_REQ, 0x0000, application->msgnum, - CAPI_FUNCTION_REGISTER, buf, 6); - - add_wait_queue(&session->wait, &wait); - while (1) { - set_current_state(TASK_INTERRUPTIBLE); - - if (!timeo) { - err = -EAGAIN; - break; - } - - if (application->state == BT_CLOSED) { - err = -application->err; - break; - } - - if (application->state == BT_CONNECTED) - break; - - if (signal_pending(current)) { - err = -EINTR; - break; - } - - timeo = schedule_timeout(timeo); - } - set_current_state(TASK_RUNNING); - remove_wait_queue(&session->wait, &wait); - - if (err) { - cmtp_application_del(session, application); - return; - } -} - -static void cmtp_release_appl(struct capi_ctr *ctrl, __u16 appl) -{ - struct cmtp_session *session = ctrl->driverdata; - struct cmtp_application *application; - - BT_DBG("ctrl %p appl %u", ctrl, appl); - - application = cmtp_application_get(session, CMTP_APPLID, appl); - if (!application) { - BT_ERR("Can't find application"); - return; - } - - application->msgnum = cmtp_msgnum_get(session); - - cmtp_send_interopmsg(session, CAPI_REQ, application->mapping, application->msgnum, - CAPI_FUNCTION_RELEASE, NULL, 0); - - wait_event_interruptible_timeout(session->wait, - (application->state == BT_CLOSED), CMTP_INTEROP_TIMEOUT); - - cmtp_application_del(session, application); -} - -static u16 cmtp_send_message(struct capi_ctr *ctrl, struct sk_buff *skb) -{ - struct cmtp_session *session = ctrl->driverdata; - struct cmtp_application *application; - __u16 appl; - __u32 contr; - - BT_DBG("ctrl %p skb %p", ctrl, skb); - - appl = CAPIMSG_APPID(skb->data); - contr = CAPIMSG_CONTROL(skb->data); - - application = cmtp_application_get(session, CMTP_APPLID, appl); - if ((!application) || (application->state != BT_CONNECTED)) { - BT_ERR("Can't find application with id %u", appl); - return CAPI_ILLAPPNR; - } - - CAPIMSG_SETAPPID(skb->data, application->mapping); - - if ((contr & 0x7f) == session->num) { - contr = (contr & 0xffffff80) | 0x01; - CAPIMSG_SETCONTROL(skb->data, contr); - } - - cmtp_send_capimsg(session, skb); - - return CAPI_NOERROR; -} - -static char *cmtp_procinfo(struct capi_ctr *ctrl) -{ - return "CAPI Message Transport Protocol"; -} - -static int cmtp_proc_show(struct seq_file *m, void *v) -{ - struct capi_ctr *ctrl = m->private; - struct cmtp_session *session = ctrl->driverdata; - struct cmtp_application *app; - - seq_printf(m, "%s\n\n", cmtp_procinfo(ctrl)); - seq_printf(m, "addr %s\n", session->name); - seq_printf(m, "ctrl %d\n", session->num); - - list_for_each_entry(app, &session->applications, list) { - seq_printf(m, "appl %u -> %u\n", app->appl, app->mapping); - } - - return 0; -} - -int cmtp_attach_device(struct cmtp_session *session) -{ - unsigned char buf[4]; - long ret; - - BT_DBG("session %p", session); - - capimsg_setu32(buf, 0, 0); - - cmtp_send_interopmsg(session, CAPI_REQ, 0xffff, CMTP_INITIAL_MSGNUM, - CAPI_FUNCTION_GET_PROFILE, buf, 4); - - ret = wait_event_interruptible_timeout(session->wait, - session->ncontroller, CMTP_INTEROP_TIMEOUT); - - BT_INFO("Found %d CAPI controller(s) on device %s", session->ncontroller, session->name); - - if (!ret) - return -ETIMEDOUT; - - if (!session->ncontroller) - return -ENODEV; - - if (session->ncontroller > 1) - BT_INFO("Setting up only CAPI controller 1"); - - session->ctrl.owner = THIS_MODULE; - session->ctrl.driverdata = session; - strcpy(session->ctrl.name, session->name); - - session->ctrl.driver_name = "cmtp"; - session->ctrl.load_firmware = cmtp_load_firmware; - session->ctrl.reset_ctr = cmtp_reset_ctr; - session->ctrl.register_appl = cmtp_register_appl; - session->ctrl.release_appl = cmtp_release_appl; - session->ctrl.send_message = cmtp_send_message; - - session->ctrl.procinfo = cmtp_procinfo; - session->ctrl.proc_show = cmtp_proc_show; - - if (attach_capi_ctr(&session->ctrl) < 0) { - BT_ERR("Can't attach new controller"); - return -EBUSY; - } - - session->num = session->ctrl.cnr; - - BT_DBG("session %p num %d", session, session->num); - - capimsg_setu32(buf, 0, 1); - - cmtp_send_interopmsg(session, CAPI_REQ, 0xffff, cmtp_msgnum_get(session), - CAPI_FUNCTION_GET_MANUFACTURER, buf, 4); - - cmtp_send_interopmsg(session, CAPI_REQ, 0xffff, cmtp_msgnum_get(session), - CAPI_FUNCTION_GET_VERSION, buf, 4); - - cmtp_send_interopmsg(session, CAPI_REQ, 0xffff, cmtp_msgnum_get(session), - CAPI_FUNCTION_GET_SERIAL_NUMBER, buf, 4); - - cmtp_send_interopmsg(session, CAPI_REQ, 0xffff, cmtp_msgnum_get(session), - CAPI_FUNCTION_GET_PROFILE, buf, 4); - - return 0; -} - -void cmtp_detach_device(struct cmtp_session *session) -{ - BT_DBG("session %p", session); - - detach_capi_ctr(&session->ctrl); -} diff --git a/net/bluetooth/cmtp/cmtp.h b/net/bluetooth/cmtp/cmtp.h deleted file mode 100644 index f6b9dc4e408f..000000000000 --- a/net/bluetooth/cmtp/cmtp.h +++ /dev/null @@ -1,129 +0,0 @@ -/* - CMTP implementation for Linux Bluetooth stack (BlueZ). - Copyright (C) 2002-2003 Marcel Holtmann <marcel@holtmann.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License version 2 as - published by the Free Software Foundation; - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. - IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY - CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES - WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - - ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, - COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS - SOFTWARE IS DISCLAIMED. -*/ - -#ifndef __CMTP_H -#define __CMTP_H - -#include <linux/types.h> -#include <net/bluetooth/bluetooth.h> - -#define BTNAMSIZ 21 - -/* CMTP ioctl defines */ -#define CMTPCONNADD _IOW('C', 200, int) -#define CMTPCONNDEL _IOW('C', 201, int) -#define CMTPGETCONNLIST _IOR('C', 210, int) -#define CMTPGETCONNINFO _IOR('C', 211, int) - -#define CMTP_LOOPBACK 0 - -struct cmtp_connadd_req { - int sock; /* Connected socket */ - __u32 flags; -}; - -struct cmtp_conndel_req { - bdaddr_t bdaddr; - __u32 flags; -}; - -struct cmtp_conninfo { - bdaddr_t bdaddr; - __u32 flags; - __u16 state; - int num; -}; - -struct cmtp_connlist_req { - __u32 cnum; - struct cmtp_conninfo __user *ci; -}; - -int cmtp_add_connection(struct cmtp_connadd_req *req, struct socket *sock); -int cmtp_del_connection(struct cmtp_conndel_req *req); -int cmtp_get_connlist(struct cmtp_connlist_req *req); -int cmtp_get_conninfo(struct cmtp_conninfo *ci); - -/* CMTP session defines */ -#define CMTP_INTEROP_TIMEOUT (HZ * 5) -#define CMTP_INITIAL_MSGNUM 0xff00 - -struct cmtp_session { - struct list_head list; - - struct socket *sock; - - bdaddr_t bdaddr; - - unsigned long state; - unsigned long flags; - - uint mtu; - - char name[BTNAMSIZ]; - - atomic_t terminate; - struct task_struct *task; - - wait_queue_head_t wait; - - int ncontroller; - int num; - struct capi_ctr ctrl; - - struct list_head applications; - - unsigned long blockids; - int msgnum; - - struct sk_buff_head transmit; - - struct sk_buff *reassembly[16]; -}; - -struct cmtp_application { - struct list_head list; - - unsigned long state; - int err; - - __u16 appl; - __u16 mapping; - - __u16 msgnum; -}; - -struct cmtp_scb { - int id; - int data; -}; - -int cmtp_attach_device(struct cmtp_session *session); -void cmtp_detach_device(struct cmtp_session *session); - -void cmtp_recv_capimsg(struct cmtp_session *session, struct sk_buff *skb); - -/* CMTP init defines */ -int cmtp_init_sockets(void); -void cmtp_cleanup_sockets(void); - -#endif /* __CMTP_H */ diff --git a/net/bluetooth/cmtp/core.c b/net/bluetooth/cmtp/core.c deleted file mode 100644 index 261aeeda3236..000000000000 --- a/net/bluetooth/cmtp/core.c +++ /dev/null @@ -1,519 +0,0 @@ -/* - CMTP implementation for Linux Bluetooth stack (BlueZ). - Copyright (C) 2002-2003 Marcel Holtmann <marcel@holtmann.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License version 2 as - published by the Free Software Foundation; - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. - IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY - CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES - WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - - ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, - COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS - SOFTWARE IS DISCLAIMED. -*/ - -#include <linux/module.h> - -#include <linux/types.h> -#include <linux/errno.h> -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/slab.h> -#include <linux/poll.h> -#include <linux/fcntl.h> -#include <linux/freezer.h> -#include <linux/skbuff.h> -#include <linux/socket.h> -#include <linux/ioctl.h> -#include <linux/file.h> -#include <linux/init.h> -#include <linux/kthread.h> -#include <net/sock.h> - -#include <linux/isdn/capilli.h> - -#include <net/bluetooth/bluetooth.h> -#include <net/bluetooth/l2cap.h> - -#include "cmtp.h" - -#define VERSION "1.0" - -static DECLARE_RWSEM(cmtp_session_sem); -static LIST_HEAD(cmtp_session_list); - -static struct cmtp_session *__cmtp_get_session(bdaddr_t *bdaddr) -{ - struct cmtp_session *session; - - BT_DBG(""); - - list_for_each_entry(session, &cmtp_session_list, list) - if (!bacmp(bdaddr, &session->bdaddr)) - return session; - - return NULL; -} - -static void __cmtp_link_session(struct cmtp_session *session) -{ - list_add(&session->list, &cmtp_session_list); -} - -static void __cmtp_unlink_session(struct cmtp_session *session) -{ - list_del(&session->list); -} - -static void __cmtp_copy_session(struct cmtp_session *session, struct cmtp_conninfo *ci) -{ - u32 valid_flags = BIT(CMTP_LOOPBACK); - memset(ci, 0, sizeof(*ci)); - bacpy(&ci->bdaddr, &session->bdaddr); - - ci->flags = session->flags & valid_flags; - ci->state = session->state; - - ci->num = session->num; -} - - -static inline int cmtp_alloc_block_id(struct cmtp_session *session) -{ - int i, id = -1; - - for (i = 0; i < 16; i++) - if (!test_and_set_bit(i, &session->blockids)) { - id = i; - break; - } - - return id; -} - -static inline void cmtp_free_block_id(struct cmtp_session *session, int id) -{ - clear_bit(id, &session->blockids); -} - -static inline void cmtp_add_msgpart(struct cmtp_session *session, int id, const unsigned char *buf, int count) -{ - struct sk_buff *skb = session->reassembly[id], *nskb; - int size; - - BT_DBG("session %p buf %p count %d", session, buf, count); - - size = (skb) ? skb->len + count : count; - - nskb = alloc_skb(size, GFP_ATOMIC); - if (!nskb) { - BT_ERR("Can't allocate memory for CAPI message"); - return; - } - - if (skb && (skb->len > 0)) - skb_copy_from_linear_data(skb, skb_put(nskb, skb->len), skb->len); - - skb_put_data(nskb, buf, count); - - session->reassembly[id] = nskb; - - kfree_skb(skb); -} - -static inline int cmtp_recv_frame(struct cmtp_session *session, struct sk_buff *skb) -{ - __u8 hdr, hdrlen, id; - __u16 len; - - BT_DBG("session %p skb %p len %d", session, skb, skb->len); - - while (skb->len > 0) { - hdr = skb->data[0]; - - switch (hdr & 0xc0) { - case 0x40: - hdrlen = 2; - len = skb->data[1]; - break; - case 0x80: - hdrlen = 3; - len = skb->data[1] | (skb->data[2] << 8); - break; - default: - hdrlen = 1; - len = 0; - break; - } - - id = (hdr & 0x3c) >> 2; - - BT_DBG("hdr 0x%02x hdrlen %d len %d id %d", hdr, hdrlen, len, id); - - if (hdrlen + len > skb->len) { - BT_ERR("Wrong size or header information in CMTP frame"); - break; - } - - if (len == 0) { - skb_pull(skb, hdrlen); - continue; - } - - switch (hdr & 0x03) { - case 0x00: - cmtp_add_msgpart(session, id, skb->data + hdrlen, len); - cmtp_recv_capimsg(session, session->reassembly[id]); - session->reassembly[id] = NULL; - break; - case 0x01: - cmtp_add_msgpart(session, id, skb->data + hdrlen, len); - break; - default: - kfree_skb(session->reassembly[id]); - session->reassembly[id] = NULL; - break; - } - - skb_pull(skb, hdrlen + len); - } - - kfree_skb(skb); - return 0; -} - -static int cmtp_send_frame(struct cmtp_session *session, unsigned char *data, int len) -{ - struct socket *sock = session->sock; - struct kvec iv = { data, len }; - struct msghdr msg; - - BT_DBG("session %p data %p len %d", session, data, len); - - if (!len) - return 0; - - memset(&msg, 0, sizeof(msg)); - - return kernel_sendmsg(sock, &msg, &iv, 1, len); -} - -static void cmtp_process_transmit(struct cmtp_session *session) -{ - struct sk_buff *skb, *nskb; - unsigned char *hdr; - unsigned int size, tail; - - BT_DBG("session %p", session); - - nskb = alloc_skb(session->mtu, GFP_ATOMIC); - if (!nskb) { - BT_ERR("Can't allocate memory for new frame"); - return; - } - - while ((skb = skb_dequeue(&session->transmit))) { - struct cmtp_scb *scb = (void *) skb->cb; - - tail = session->mtu - nskb->len; - if (tail < 5) { - cmtp_send_frame(session, nskb->data, nskb->len); - skb_trim(nskb, 0); - tail = session->mtu; - } - - size = min_t(uint, ((tail < 258) ? (tail - 2) : (tail - 3)), skb->len); - - if (scb->id < 0) { - scb->id = cmtp_alloc_block_id(session); - if (scb->id < 0) { - skb_queue_head(&session->transmit, skb); - break; - } - } - - if (size < 256) { - hdr = skb_put(nskb, 2); - hdr[0] = 0x40 - | ((scb->id << 2) & 0x3c) - | ((skb->len == size) ? 0x00 : 0x01); - hdr[1] = size; - } else { - hdr = skb_put(nskb, 3); - hdr[0] = 0x80 - | ((scb->id << 2) & 0x3c) - | ((skb->len == size) ? 0x00 : 0x01); - hdr[1] = size & 0xff; - hdr[2] = size >> 8; - } - - skb_copy_from_linear_data(skb, skb_put(nskb, size), size); - skb_pull(skb, size); - - if (skb->len > 0) { - skb_queue_head(&session->transmit, skb); - } else { - cmtp_free_block_id(session, scb->id); - if (scb->data) { - cmtp_send_frame(session, nskb->data, nskb->len); - skb_trim(nskb, 0); - } - kfree_skb(skb); - } - } - - cmtp_send_frame(session, nskb->data, nskb->len); - - kfree_skb(nskb); -} - -static int cmtp_session(void *arg) -{ - struct cmtp_session *session = arg; - struct sock *sk = session->sock->sk; - struct sk_buff *skb; - DEFINE_WAIT_FUNC(wait, woken_wake_function); - - BT_DBG("session %p", session); - - set_user_nice(current, -15); - - add_wait_queue(sk_sleep(sk), &wait); - while (1) { - if (atomic_read(&session->terminate)) - break; - if (sk->sk_state != BT_CONNECTED) - break; - - while ((skb = skb_dequeue(&sk->sk_receive_queue))) { - skb_orphan(skb); - if (!skb_linearize(skb)) - cmtp_recv_frame(session, skb); - else - kfree_skb(skb); - } - - cmtp_process_transmit(session); - - /* - * wait_woken() performs the necessary memory barriers - * for us; see the header comment for this primitive. - */ - wait_woken(&wait, TASK_INTERRUPTIBLE, MAX_SCHEDULE_TIMEOUT); - } - remove_wait_queue(sk_sleep(sk), &wait); - - down_write(&cmtp_session_sem); - - if (!(session->flags & BIT(CMTP_LOOPBACK))) - cmtp_detach_device(session); - - fput(session->sock->file); - - __cmtp_unlink_session(session); - - up_write(&cmtp_session_sem); - - kfree(session); - module_put_and_kthread_exit(0); - return 0; -} - -int cmtp_add_connection(struct cmtp_connadd_req *req, struct socket *sock) -{ - u32 valid_flags = BIT(CMTP_LOOPBACK); - struct cmtp_session *session, *s; - int i, err; - - BT_DBG(""); - - if (!l2cap_is_socket(sock)) - return -EBADFD; - - if (req->flags & ~valid_flags) - return -EINVAL; - - session = kzalloc_obj(struct cmtp_session); - if (!session) - return -ENOMEM; - - down_write(&cmtp_session_sem); - - s = __cmtp_get_session(&l2cap_pi(sock->sk)->chan->dst); - if (s && s->state == BT_CONNECTED) { - err = -EEXIST; - goto failed; - } - - bacpy(&session->bdaddr, &l2cap_pi(sock->sk)->chan->dst); - - session->mtu = min_t(uint, l2cap_pi(sock->sk)->chan->omtu, - l2cap_pi(sock->sk)->chan->imtu); - - BT_DBG("mtu %d", session->mtu); - - sprintf(session->name, "%pMR", &session->bdaddr); - - session->sock = sock; - session->state = BT_CONFIG; - - init_waitqueue_head(&session->wait); - - session->msgnum = CMTP_INITIAL_MSGNUM; - - INIT_LIST_HEAD(&session->applications); - - skb_queue_head_init(&session->transmit); - - for (i = 0; i < 16; i++) - session->reassembly[i] = NULL; - - session->flags = req->flags; - - __cmtp_link_session(session); - - __module_get(THIS_MODULE); - session->task = kthread_run(cmtp_session, session, "kcmtpd_ctr_%d", - session->num); - if (IS_ERR(session->task)) { - module_put(THIS_MODULE); - err = PTR_ERR(session->task); - goto unlink; - } - - if (!(session->flags & BIT(CMTP_LOOPBACK))) { - err = cmtp_attach_device(session); - if (err < 0) { - /* Caller will call fput in case of failure, and so - * will cmtp_session kthread. - */ - get_file(session->sock->file); - - atomic_inc(&session->terminate); - wake_up_interruptible(sk_sleep(session->sock->sk)); - up_write(&cmtp_session_sem); - return err; - } - } - - up_write(&cmtp_session_sem); - return 0; - -unlink: - __cmtp_unlink_session(session); - -failed: - up_write(&cmtp_session_sem); - kfree(session); - return err; -} - -int cmtp_del_connection(struct cmtp_conndel_req *req) -{ - u32 valid_flags = 0; - struct cmtp_session *session; - int err = 0; - - BT_DBG(""); - - if (req->flags & ~valid_flags) - return -EINVAL; - - down_read(&cmtp_session_sem); - - session = __cmtp_get_session(&req->bdaddr); - if (session) { - /* Flush the transmit queue */ - skb_queue_purge(&session->transmit); - - /* Stop session thread */ - atomic_inc(&session->terminate); - - /* - * See the comment preceding the call to wait_woken() - * in cmtp_session(). - */ - wake_up_interruptible(sk_sleep(session->sock->sk)); - } else - err = -ENOENT; - - up_read(&cmtp_session_sem); - return err; -} - -int cmtp_get_connlist(struct cmtp_connlist_req *req) -{ - struct cmtp_session *session; - int err = 0, n = 0; - - BT_DBG(""); - - down_read(&cmtp_session_sem); - - list_for_each_entry(session, &cmtp_session_list, list) { - struct cmtp_conninfo ci; - - __cmtp_copy_session(session, &ci); - - if (copy_to_user(req->ci, &ci, sizeof(ci))) { - err = -EFAULT; - break; - } - - if (++n >= req->cnum) - break; - - req->ci++; - } - req->cnum = n; - - up_read(&cmtp_session_sem); - return err; -} - -int cmtp_get_conninfo(struct cmtp_conninfo *ci) -{ - struct cmtp_session *session; - int err = 0; - - down_read(&cmtp_session_sem); - - session = __cmtp_get_session(&ci->bdaddr); - if (session) - __cmtp_copy_session(session, ci); - else - err = -ENOENT; - - up_read(&cmtp_session_sem); - return err; -} - - -static int __init cmtp_init(void) -{ - BT_INFO("CMTP (CAPI Emulation) ver %s", VERSION); - - return cmtp_init_sockets(); -} - -static void __exit cmtp_exit(void) -{ - cmtp_cleanup_sockets(); -} - -module_init(cmtp_init); -module_exit(cmtp_exit); - -MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); -MODULE_DESCRIPTION("Bluetooth CMTP ver " VERSION); -MODULE_VERSION(VERSION); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("bt-proto-5"); diff --git a/net/bluetooth/cmtp/sock.c b/net/bluetooth/cmtp/sock.c deleted file mode 100644 index 96d49d9fae96..000000000000 --- a/net/bluetooth/cmtp/sock.c +++ /dev/null @@ -1,271 +0,0 @@ -/* - CMTP implementation for Linux Bluetooth stack (BlueZ). - Copyright (C) 2002-2003 Marcel Holtmann <marcel@holtmann.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License version 2 as - published by the Free Software Foundation; - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. - IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY - CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES - WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - - ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, - COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS - SOFTWARE IS DISCLAIMED. -*/ - -#include <linux/export.h> - -#include <linux/types.h> -#include <linux/capability.h> -#include <linux/errno.h> -#include <linux/kernel.h> -#include <linux/poll.h> -#include <linux/fcntl.h> -#include <linux/skbuff.h> -#include <linux/socket.h> -#include <linux/ioctl.h> -#include <linux/file.h> -#include <linux/compat.h> -#include <linux/gfp.h> -#include <linux/uaccess.h> -#include <net/sock.h> - -#include <linux/isdn/capilli.h> - - -#include "cmtp.h" - -static struct bt_sock_list cmtp_sk_list = { - .lock = __RW_LOCK_UNLOCKED(cmtp_sk_list.lock) -}; - -static int cmtp_sock_release(struct socket *sock) -{ - struct sock *sk = sock->sk; - - BT_DBG("sock %p sk %p", sock, sk); - - if (!sk) - return 0; - - bt_sock_unlink(&cmtp_sk_list, sk); - - sock_orphan(sk); - sock_put(sk); - - return 0; -} - -static int do_cmtp_sock_ioctl(struct socket *sock, unsigned int cmd, void __user *argp) -{ - struct cmtp_connadd_req ca; - struct cmtp_conndel_req cd; - struct cmtp_connlist_req cl; - struct cmtp_conninfo ci; - struct socket *nsock; - int err; - - BT_DBG("cmd %x arg %p", cmd, argp); - - switch (cmd) { - case CMTPCONNADD: - if (!capable(CAP_NET_ADMIN)) - return -EPERM; - - if (copy_from_user(&ca, argp, sizeof(ca))) - return -EFAULT; - - nsock = sockfd_lookup(ca.sock, &err); - if (!nsock) - return err; - - if (nsock->sk->sk_state != BT_CONNECTED) { - sockfd_put(nsock); - return -EBADFD; - } - - err = cmtp_add_connection(&ca, nsock); - if (!err) { - if (copy_to_user(argp, &ca, sizeof(ca))) - err = -EFAULT; - } else - sockfd_put(nsock); - - return err; - - case CMTPCONNDEL: - if (!capable(CAP_NET_ADMIN)) - return -EPERM; - - if (copy_from_user(&cd, argp, sizeof(cd))) - return -EFAULT; - - return cmtp_del_connection(&cd); - - case CMTPGETCONNLIST: - if (copy_from_user(&cl, argp, sizeof(cl))) - return -EFAULT; - - if (cl.cnum <= 0) - return -EINVAL; - - err = cmtp_get_connlist(&cl); - if (!err && copy_to_user(argp, &cl, sizeof(cl))) - return -EFAULT; - - return err; - - case CMTPGETCONNINFO: - if (copy_from_user(&ci, argp, sizeof(ci))) - return -EFAULT; - - err = cmtp_get_conninfo(&ci); - if (!err && copy_to_user(argp, &ci, sizeof(ci))) - return -EFAULT; - - return err; - } - - return -EINVAL; -} - -static int cmtp_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) -{ - return do_cmtp_sock_ioctl(sock, cmd, (void __user *)arg); -} - -#ifdef CONFIG_COMPAT -static int cmtp_sock_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) -{ - void __user *argp = compat_ptr(arg); - if (cmd == CMTPGETCONNLIST) { - struct cmtp_connlist_req cl; - u32 __user *p = argp; - u32 uci; - int err; - - if (get_user(cl.cnum, p) || get_user(uci, p + 1)) - return -EFAULT; - - cl.ci = compat_ptr(uci); - - if (cl.cnum <= 0) - return -EINVAL; - - err = cmtp_get_connlist(&cl); - - if (!err && put_user(cl.cnum, p)) - err = -EFAULT; - - return err; - } - - return do_cmtp_sock_ioctl(sock, cmd, argp); -} -#endif - -static const struct proto_ops cmtp_sock_ops = { - .family = PF_BLUETOOTH, - .owner = THIS_MODULE, - .release = cmtp_sock_release, - .ioctl = cmtp_sock_ioctl, -#ifdef CONFIG_COMPAT - .compat_ioctl = cmtp_sock_compat_ioctl, -#endif - .bind = sock_no_bind, - .getname = sock_no_getname, - .sendmsg = sock_no_sendmsg, - .recvmsg = sock_no_recvmsg, - .listen = sock_no_listen, - .shutdown = sock_no_shutdown, - .connect = sock_no_connect, - .socketpair = sock_no_socketpair, - .accept = sock_no_accept, - .mmap = sock_no_mmap -}; - -static struct proto cmtp_proto = { - .name = "CMTP", - .owner = THIS_MODULE, - .obj_size = sizeof(struct bt_sock) -}; - -static int cmtp_sock_create(struct net *net, struct socket *sock, int protocol, - int kern) -{ - struct sock *sk; - - BT_DBG("sock %p", sock); - - if (sock->type != SOCK_RAW) - return -ESOCKTNOSUPPORT; - - sk = sk_alloc(net, PF_BLUETOOTH, GFP_ATOMIC, &cmtp_proto, kern); - if (!sk) - return -ENOMEM; - - sock_init_data(sock, sk); - - sock->ops = &cmtp_sock_ops; - - sock->state = SS_UNCONNECTED; - - sock_reset_flag(sk, SOCK_ZAPPED); - - sk->sk_protocol = protocol; - sk->sk_state = BT_OPEN; - - bt_sock_link(&cmtp_sk_list, sk); - - return 0; -} - -static const struct net_proto_family cmtp_sock_family_ops = { - .family = PF_BLUETOOTH, - .owner = THIS_MODULE, - .create = cmtp_sock_create -}; - -int cmtp_init_sockets(void) -{ - int err; - - err = proto_register(&cmtp_proto, 0); - if (err < 0) - return err; - - err = bt_sock_register(BTPROTO_CMTP, &cmtp_sock_family_ops); - if (err < 0) { - BT_ERR("Can't register CMTP socket"); - goto error; - } - - err = bt_procfs_init(&init_net, "cmtp", &cmtp_sk_list, NULL); - if (err < 0) { - BT_ERR("Failed to create CMTP proc file"); - bt_sock_unregister(BTPROTO_HIDP); - goto error; - } - - BT_INFO("CMTP socket layer initialized"); - - return 0; - -error: - proto_unregister(&cmtp_proto); - return err; -} - -void cmtp_cleanup_sockets(void) -{ - bt_procfs_cleanup(&init_net, "cmtp"); - bt_sock_unregister(BTPROTO_CMTP); - proto_unregister(&cmtp_proto); -} |