URL https://opencores.org/ocsvn/or1k/or1k/trunk

Subversion Repositories or1k

[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [net/] [bluetooth/] [bnep/] [core.c] - Blame information for rev 1765

Details | Compare with Previous | View Log


/*
   BNEP implementation for Linux Bluetooth stack (BlueZ).
   Copyright (C) 2001-2002 Inventel Systemes
   Written 2001-2002 by
        Cl�ment Moreau <clement.moreau@inventel.fr>
        David Libault  <david.libault@inventel.fr>
 
   Copyright (C) 2002 Maxim Krasnyanskiy <maxk@qualcomm.com>
 
   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.
*/
 
/*
 * $Id: core.c,v 1.1.1.1 2004-04-15 01:17:08 phoenix Exp $
 */
 
#define __KERNEL_SYSCALLS__
 
#include <linux/config.h>
#include <linux/module.h>
 
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/signal.h>
#include <linux/init.h>
#include <linux/wait.h>
#include <linux/errno.h>
#include <linux/smp_lock.h>
#include <linux/net.h>
#include <net/sock.h>
 
#include <linux/socket.h>
#include <linux/file.h>
 
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
 
#include <asm/unaligned.h>
 
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/l2cap.h>
 
#include "bnep.h"
 
#ifndef CONFIG_BLUEZ_BNEP_DEBUG
#undef  BT_DBG
#define BT_DBG(D...)
#endif
 
#define VERSION "1.1"
 
static LIST_HEAD(bnep_session_list);
static DECLARE_RWSEM(bnep_session_sem);
 
static struct bnep_session *__bnep_get_session(u8 *dst)
{
        struct bnep_session *s;
        struct list_head *p;
 
        BT_DBG("");
 
        list_for_each(p, &bnep_session_list) {
                s = list_entry(p, struct bnep_session, list);
                if (!memcmp(dst, s->eh.h_source, ETH_ALEN))
                        return s;
        }
        return NULL;
}
 
static void __bnep_link_session(struct bnep_session *s)
{
        MOD_INC_USE_COUNT;
        list_add(&s->list, &bnep_session_list);
}
 
static void __bnep_unlink_session(struct bnep_session *s)
{
        list_del(&s->list);
        MOD_DEC_USE_COUNT;
}
 
static int bnep_send(struct bnep_session *s, void *data, size_t len)
{
        struct socket *sock = s->sock;
        struct iovec iv = { data, len };
        s->msg.msg_iov    = &iv;
        s->msg.msg_iovlen = 1;
        return sock->ops->sendmsg(sock, &s->msg, len, NULL);
}
 
static int bnep_send_rsp(struct bnep_session *s, u8 ctrl, u16 resp)
{
        struct bnep_control_rsp rsp;
        rsp.type = BNEP_CONTROL;
        rsp.ctrl = ctrl;
        rsp.resp = htons(resp);
        return bnep_send(s, &rsp, sizeof(rsp));
}
 
static int bnep_ctrl_set_netfilter(struct bnep_session *s, u16 *data, int len)
{
        int n;
 
        if (len < 2)
                return -EILSEQ;
 
        n = ntohs(get_unaligned(data));
        data++; len -= 2;
 
        if (len < n)
                return -EILSEQ;
 
        BT_DBG("filter len %d", n);
 
#ifdef CONFIG_BLUEZ_BNEP_PROTO_FILTER
        n /= 4;
        if (n <= BNEP_MAX_PROTO_FILTERS) {
                struct bnep_proto_filter *f = s->proto_filter;
                int i;
 
                for (i = 0; i < n; i++) {
                        f[i].start = get_unaligned(data++);
                        f[i].end   = get_unaligned(data++);
 
                        BT_DBG("proto filter start %d end %d",
                                f[i].start, f[i].end);
                }
                if (i < BNEP_MAX_PROTO_FILTERS)
                        memset(f + i, 0, sizeof(*f));
 
                bnep_send_rsp(s, BNEP_FILTER_NET_TYPE_RSP, BNEP_SUCCESS);
        } else {
                bnep_send_rsp(s, BNEP_FILTER_NET_TYPE_RSP, BNEP_FILTER_LIMIT_REACHED);
        }
#else
        bnep_send_rsp(s, BNEP_FILTER_NET_TYPE_RSP, BNEP_FILTER_UNSUPPORTED_REQ);
#endif
        return 0;
}
 
static int bnep_ctrl_set_mcfilter(struct bnep_session *s, u8 *data, int len)
{
        int n;
 
        if (len < 2)
                return -EILSEQ;
 
        n = ntohs(get_unaligned((u16 *) data));
        data += 2; len -= 2;
 
        if (len < n)
                return -EILSEQ;
 
        BT_DBG("filter len %d", n);
 
#ifdef CONFIG_BLUEZ_BNEP_MC_FILTER
        n /= (ETH_ALEN * 2);
 
        if (n > 0) {
                s->mc_filter = 0;
 
                /* Always send broadcast */
                set_bit(bnep_mc_hash(s->dev.broadcast), &s->mc_filter);
 
                /* Add address ranges to the multicast hash */
                for (; n > 0; n--) {
                        u8 a1[6], *a2;
 
                        memcpy(a1, data, ETH_ALEN); data += ETH_ALEN;
                        a2 = data; data += ETH_ALEN;
 
                        BT_DBG("mc filter %s -> %s",
                                batostr((void *) a1), batostr((void *) a2));
 
                        #define INCA(a) { int i = 5; while (i >=0 && ++a[i--] == 0); }
 
                        /* Iterate from a1 to a2 */
                        set_bit(bnep_mc_hash(a1), &s->mc_filter);
                        while (memcmp(a1, a2, 6) < 0 && s->mc_filter != ~0LL) {
                                INCA(a1);
                                set_bit(bnep_mc_hash(a1), &s->mc_filter);
                        }
                }
        }
 
        BT_DBG("mc filter hash 0x%llx", s->mc_filter);
 
        bnep_send_rsp(s, BNEP_FILTER_MULTI_ADDR_RSP, BNEP_SUCCESS);
#else
        bnep_send_rsp(s, BNEP_FILTER_MULTI_ADDR_RSP, BNEP_FILTER_UNSUPPORTED_REQ);
#endif
        return 0;
}
 
static int bnep_rx_control(struct bnep_session *s, void *data, int len)
{
        u8  cmd = *(u8 *)data;
        int err = 0;
 
        data++; len--;
 
        switch (cmd) {
        case BNEP_CMD_NOT_UNDERSTOOD:
        case BNEP_SETUP_CONN_REQ:
        case BNEP_SETUP_CONN_RSP:
        case BNEP_FILTER_NET_TYPE_RSP:
        case BNEP_FILTER_MULTI_ADDR_RSP:
                /* Ignore these for now */
                break;
 
        case BNEP_FILTER_NET_TYPE_SET:
                err = bnep_ctrl_set_netfilter(s, data, len);
                break;
 
        case BNEP_FILTER_MULTI_ADDR_SET:
                err = bnep_ctrl_set_mcfilter(s, data, len);
                break;
 
        default: {
                        u8 pkt[3];
                        pkt[0] = BNEP_CONTROL;
                        pkt[1] = BNEP_CMD_NOT_UNDERSTOOD;
                        pkt[2] = cmd;
                        bnep_send(s, pkt, sizeof(pkt));
                }
                break;
        }
 
        return err;
}
 
static int bnep_rx_extension(struct bnep_session *s, struct sk_buff *skb)
{
        struct bnep_ext_hdr *h;
        int err = 0;
 
        do {
                h = (void *) skb->data;
                if (!skb_pull(skb, sizeof(*h))) {
                        err = -EILSEQ;
                        break;
                }
 
                BT_DBG("type 0x%x len %d", h->type, h->len);
 
                switch (h->type & BNEP_TYPE_MASK) {
                case BNEP_EXT_CONTROL:
                        bnep_rx_control(s, skb->data, skb->len);
                        break;
 
                default:
                        /* Unknown extension, skip it. */
                        break;
                }
 
                if (!skb_pull(skb, h->len)) {
                        err = -EILSEQ;
                        break;
                }
        } while (!err && (h->type & BNEP_EXT_HEADER));
 
        return err;
}
 
static u8 __bnep_rx_hlen[] = {
        ETH_HLEN,     /* BNEP_GENERAL */
        0,            /* BNEP_CONTROL */
        2,            /* BNEP_COMPRESSED */
        ETH_ALEN + 2, /* BNEP_COMPRESSED_SRC_ONLY */
        ETH_ALEN + 2  /* BNEP_COMPRESSED_DST_ONLY */
};
#define BNEP_RX_TYPES   (sizeof(__bnep_rx_hlen) - 1)
 
static inline int bnep_rx_frame(struct bnep_session *s, struct sk_buff *skb)
{
        struct net_device *dev = &s->dev;
        struct sk_buff *nskb;
        u8 type;
 
        dev->last_rx = jiffies;
        s->stats.rx_bytes += skb->len;
 
        type = *(u8 *) skb->data; skb_pull(skb, 1);
 
        if ((type & BNEP_TYPE_MASK) > BNEP_RX_TYPES)
                goto badframe;
 
        if ((type & BNEP_TYPE_MASK) == BNEP_CONTROL) {
                bnep_rx_control(s, skb->data, skb->len);
                kfree_skb(skb);
                return 0;
        }
 
        skb->mac.raw = skb->data;
 
        /* Verify and pull out header */
        if (!skb_pull(skb, __bnep_rx_hlen[type & BNEP_TYPE_MASK]))
                goto badframe;
 
        s->eh.h_proto = get_unaligned((u16 *) (skb->data - 2));
 
        if (type & BNEP_EXT_HEADER) {
                if (bnep_rx_extension(s, skb) < 0)
                        goto badframe;
        }
 
        /* Strip 802.1p header */
        if (ntohs(s->eh.h_proto) == 0x8100) {
                if (!skb_pull(skb, 4))
                        goto badframe;
                s->eh.h_proto = get_unaligned((u16 *) (skb->data - 2));
        }
 
        /* We have to alloc new skb and copy data here :(. Because original skb
         * may not be modified and because of the alignment requirements. */
        nskb = alloc_skb(2 + ETH_HLEN + skb->len, GFP_KERNEL);
        if (!nskb) {
                s->stats.rx_dropped++;
                kfree_skb(skb);
                return -ENOMEM;
        }
        skb_reserve(nskb, 2);
 
        /* Decompress header and construct ether frame */
        switch (type & BNEP_TYPE_MASK) {
        case BNEP_COMPRESSED:
                memcpy(__skb_put(nskb, ETH_HLEN), &s->eh, ETH_HLEN);
                break;
 
        case BNEP_COMPRESSED_SRC_ONLY:
                memcpy(__skb_put(nskb, ETH_ALEN), s->eh.h_dest, ETH_ALEN);
                memcpy(__skb_put(nskb, ETH_ALEN), skb->mac.raw, ETH_ALEN);
                put_unaligned(s->eh.h_proto, (u16 *) __skb_put(nskb, 2));
                break;
 
        case BNEP_COMPRESSED_DST_ONLY:
                memcpy(__skb_put(nskb, ETH_ALEN), skb->mac.raw, ETH_ALEN);
                memcpy(__skb_put(nskb, ETH_ALEN + 2), s->eh.h_source, ETH_ALEN + 2);
                break;
 
        case BNEP_GENERAL:
                memcpy(__skb_put(nskb, ETH_ALEN * 2), skb->mac.raw, ETH_ALEN * 2);
                put_unaligned(s->eh.h_proto, (u16 *) __skb_put(nskb, 2));
                break;
        }
 
        memcpy(__skb_put(nskb, skb->len), skb->data, skb->len);
        kfree_skb(skb);
 
        s->stats.rx_packets++;
        nskb->dev       = dev;
        nskb->ip_summed = CHECKSUM_UNNECESSARY;
        nskb->protocol  = eth_type_trans(nskb, dev);
        netif_rx_ni(nskb);
        return 0;
 
badframe:
        s->stats.rx_errors++;
        kfree_skb(skb);
        return 0;
}
 
static u8 __bnep_tx_types[] = {
        BNEP_GENERAL,
        BNEP_COMPRESSED_SRC_ONLY,
        BNEP_COMPRESSED_DST_ONLY,
        BNEP_COMPRESSED
};
 
static inline int bnep_tx_frame(struct bnep_session *s, struct sk_buff *skb)
{
        struct ethhdr *eh = (void *) skb->data;
        struct socket *sock = s->sock;
        struct iovec iv[3];
        int len = 0, il = 0;
        u8 type = 0;
 
        BT_DBG("skb %p dev %p type %d", skb, skb->dev, skb->pkt_type);
 
        if (!skb->dev) {
                /* Control frame sent by us */
                goto send;
        }
 
        iv[il++] = (struct iovec) { &type, 1 };
        len++;
 
        if (!memcmp(eh->h_dest, s->eh.h_source, ETH_ALEN))
                type |= 0x01;
 
        if (!memcmp(eh->h_source, s->eh.h_dest, ETH_ALEN))
                type |= 0x02;
 
        if (type)
                skb_pull(skb, ETH_ALEN * 2);
 
        type = __bnep_tx_types[type];
        switch (type) {
        case BNEP_COMPRESSED_SRC_ONLY:
                iv[il++] = (struct iovec) { eh->h_source, ETH_ALEN };
                len += ETH_ALEN;
                break;
 
        case BNEP_COMPRESSED_DST_ONLY:
                iv[il++] = (struct iovec) { eh->h_dest, ETH_ALEN };
                len += ETH_ALEN;
                break;
        }
 
send:
        iv[il++] = (struct iovec) { skb->data, skb->len };
        len += skb->len;
 
        /* FIXME: linearize skb */
 
        s->msg.msg_iov    = iv;
        s->msg.msg_iovlen = il;
        len = sock->ops->sendmsg(sock, &s->msg, len, NULL);
        kfree_skb(skb);
 
        if (len > 0) {
                s->stats.tx_bytes += len;
                s->stats.tx_packets++;
                return 0;
        }
 
        return len;
}
 
static int bnep_session(void *arg)
{
        struct bnep_session *s = arg;
        struct net_device *dev = &s->dev;
        struct sock *sk = s->sock->sk;
        struct sk_buff *skb;
        wait_queue_t wait;
 
        BT_DBG("");
 
        daemonize(); reparent_to_init();
 
        sprintf(current->comm, "kbnepd %s", dev->name);
 
        sigfillset(&current->blocked);
        flush_signals(current);
 
        current->nice = -15;
 
        set_fs(KERNEL_DS);
 
        init_waitqueue_entry(&wait, current);
        add_wait_queue(sk->sleep, &wait);
        while (!atomic_read(&s->killed)) {
                set_current_state(TASK_INTERRUPTIBLE);
 
                // RX
                while ((skb = skb_dequeue(&sk->receive_queue))) {
                        skb_orphan(skb);
                        bnep_rx_frame(s, skb);
                }
 
                if (sk->state != BT_CONNECTED)
                        break;
 
                // TX
                while ((skb = skb_dequeue(&sk->write_queue)))
                        if (bnep_tx_frame(s, skb))
                                break;
                netif_wake_queue(dev);
 
                schedule();
        }
        set_current_state(TASK_RUNNING);
        remove_wait_queue(sk->sleep, &wait);
 
        /* Cleanup session */
        down_write(&bnep_session_sem);
 
        /* Delete network device */
        unregister_netdev(dev);
 
        /* Release the socket */
        fput(s->sock->file);
 
        __bnep_unlink_session(s);
 
        up_write(&bnep_session_sem);
        kfree(s);
        return 0;
}
 
int bnep_add_connection(struct bnep_connadd_req *req, struct socket *sock)
{
        struct net_device *dev;
        struct bnep_session *s, *ss;
        u8 dst[ETH_ALEN], src[ETH_ALEN];
        int err;
 
        BT_DBG("");
 
        baswap((void *) dst, &bluez_pi(sock->sk)->dst);
        baswap((void *) src, &bluez_pi(sock->sk)->src);
 
        s = kmalloc(sizeof(struct bnep_session), GFP_KERNEL);
        if (!s)
                return -ENOMEM;
        memset(s, 0, sizeof(struct bnep_session));
 
        down_write(&bnep_session_sem);
 
        ss = __bnep_get_session(dst);
        if (ss && ss->state == BT_CONNECTED) {
                err = -EEXIST;
                goto failed;
        }
 
        dev = &s->dev;
 
        if (*req->device)
                strcpy(dev->name, req->device);
        else
                strcpy(dev->name, "bnep%d");
 
        memset(dev->broadcast, 0xff, ETH_ALEN);
 
        /* This is rx header therefor addresses are swaped.
         * ie eh.h_dest is our local address. */
        memcpy(s->eh.h_dest,   &src, ETH_ALEN);
        memcpy(s->eh.h_source, &dst, ETH_ALEN);
 
        s->sock  = sock;
        s->role  = req->role;
        s->state = BT_CONNECTED;
 
        s->msg.msg_flags = MSG_NOSIGNAL;
 
#ifdef CONFIG_BLUEZ_BNEP_MC_FILTER
        /* Set default mc filter */
        set_bit(bnep_mc_hash(dev->broadcast), &s->mc_filter);
#endif
 
#ifdef CONFIG_BLUEZ_BNEP_PROTO_FILTER
        /* Set default protocol filter */
 
        /* (IPv4, ARP)  */
        s->proto_filter[0].start = htons(0x0800);
        s->proto_filter[0].end   = htons(0x0806);
        /* (RARP, AppleTalk) */
        s->proto_filter[1].start = htons(0x8035);
        s->proto_filter[1].end   = htons(0x80F3);
        /* (IPX, IPv6) */
        s->proto_filter[2].start = htons(0x8137);
        s->proto_filter[2].end   = htons(0x86DD);
#endif
 
        dev->init = bnep_net_init;
        dev->priv = s;
        err = register_netdev(dev);
        if (err) {
                goto failed;
        }
 
        __bnep_link_session(s);
 
        err = kernel_thread(bnep_session, s, CLONE_FS | CLONE_FILES | CLONE_SIGHAND);
        if (err < 0) {
                /* Session thread start failed, gotta cleanup. */
                unregister_netdev(dev);
                __bnep_unlink_session(s);
                goto failed;
        }
 
        up_write(&bnep_session_sem);
        strcpy(req->device, dev->name);
        return 0;
 
failed:
        up_write(&bnep_session_sem);
        kfree(s);
        return err;
}
 
int bnep_del_connection(struct bnep_conndel_req *req)
{
        struct bnep_session *s;
        int  err = 0;
 
        BT_DBG("");
 
        down_read(&bnep_session_sem);
 
        s = __bnep_get_session(req->dst);
        if (s) {
                /* Wakeup user-space which is polling for socket errors.
                 * This is temporary hack untill we have shutdown in L2CAP */
                s->sock->sk->err = EUNATCH;
 
                /* Kill session thread */
                atomic_inc(&s->killed);
                wake_up_interruptible(s->sock->sk->sleep);
        } else
                err = -ENOENT;
 
        up_read(&bnep_session_sem);
        return err;
}
 
static void __bnep_copy_ci(struct bnep_conninfo *ci, struct bnep_session *s)
{
        memcpy(ci->dst, s->eh.h_source, ETH_ALEN);
        strcpy(ci->device, s->dev.name);
        ci->flags = s->flags;
        ci->state = s->state;
        ci->role  = s->role;
}
 
int bnep_get_connlist(struct bnep_connlist_req *req)
{
        struct list_head *p;
        int err = 0, n = 0;
 
        down_read(&bnep_session_sem);
 
        list_for_each(p, &bnep_session_list) {
                struct bnep_session *s;
                struct bnep_conninfo ci;
 
                s = list_entry(p, struct bnep_session, list);
 
                __bnep_copy_ci(&ci, s);
 
                if (copy_to_user(req->ci, &ci, sizeof(ci))) {
                        err = -EFAULT;
                        break;
                }
 
                if (++n >= req->cnum)
                        break;
 
                req->ci++;
        }
        req->cnum = n;
 
        up_read(&bnep_session_sem);
        return err;
}
 
int bnep_get_conninfo(struct bnep_conninfo *ci)
{
        struct bnep_session *s;
        int err = 0;
 
        down_read(&bnep_session_sem);
 
        s = __bnep_get_session(ci->dst);
        if (s)
                __bnep_copy_ci(ci, s);
        else
                err = -ENOENT;
 
        up_read(&bnep_session_sem);
        return err;
}
 
static int __init bnep_init_module(void)
{
        l2cap_load();
 
        bnep_sock_init();
 
        BT_INFO("BlueZ BNEP ver %s", VERSION);
        BT_INFO("Copyright (C) 2001,2002 Inventel Systemes");
        BT_INFO("Written 2001,2002 by Clement Moreau <clement.moreau@inventel.fr>");
        BT_INFO("Written 2001,2002 by David Libault <david.libault@inventel.fr>");
        BT_INFO("Copyright (C) 2002 Maxim Krasnyanskiy <maxk@qualcomm.com>");
 
        return 0;
}
 
static void __exit bnep_cleanup_module(void)
{
        bnep_sock_cleanup();
}
 
module_init(bnep_init_module);
module_exit(bnep_cleanup_module);
 
MODULE_DESCRIPTION("BlueZ BNEP ver " VERSION);
MODULE_AUTHOR("David Libault <david.libault@inventel.fr>, Maxim Krasnyanskiy <maxk@qualcomm.com>");
MODULE_LICENSE("GPL");

Browse

Tools

Subversion Repositories or1k

[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [net/] [bluetooth/] [bnep/] [core.c] - Blame information for rev 1765

Line No.	Rev	Author	Line
1	1275	phoenix	`/*`
2			`BNEP implementation for Linux Bluetooth stack (BlueZ).`
3			`Copyright (C) 2001-2002 Inventel Systemes`
4			`Written 2001-2002 by`
5			`Cl�ment Moreau <clement.moreau@inventel.fr>`
6			`David Libault <david.libault@inventel.fr>`
7
8			`Copyright (C) 2002 Maxim Krasnyanskiy <maxk@qualcomm.com>`
9
10			`This program is free software; you can redistribute it and/or modify`
11			`it under the terms of the GNU General Public License version 2 as`
12			`published by the Free Software Foundation;`
13
14			`THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS`
15			`OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,`
16			`FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.`
17			`IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY`
18			`CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES`
19			`WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN`
20			`ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF`
21			`OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.`
22
23			`ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,`
24			`COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS`
25			`SOFTWARE IS DISCLAIMED.`
26			`*/`
27
28			`/*`
29			`* $Id: core.c,v 1.1.1.1 2004-04-15 01:17:08 phoenix Exp $`
30			`*/`
31
32			`#define __KERNEL_SYSCALLS__`
33
34			`#include <linux/config.h>`
35			`#include <linux/module.h>`
36
37			`#include <linux/kernel.h>`
38			`#include <linux/sched.h>`
39			`#include <linux/signal.h>`
40			`#include <linux/init.h>`
41			`#include <linux/wait.h>`
42			`#include <linux/errno.h>`
43			`#include <linux/smp_lock.h>`
44			`#include <linux/net.h>`
45			`#include <net/sock.h>`
46
47			`#include <linux/socket.h>`
48			`#include <linux/file.h>`
49
50			`#include <linux/netdevice.h>`
51			`#include <linux/etherdevice.h>`
52			`#include <linux/skbuff.h>`
53
54			`#include <asm/unaligned.h>`
55
56			`#include <net/bluetooth/bluetooth.h>`
57			`#include <net/bluetooth/l2cap.h>`
58
59			`#include "bnep.h"`
60
61			`#ifndef CONFIG_BLUEZ_BNEP_DEBUG`
62			`#undef BT_DBG`
63			`#define BT_DBG(D...)`
64			`#endif`
65
66			`#define VERSION "1.1"`
67
68			`static LIST_HEAD(bnep_session_list);`
69			`static DECLARE_RWSEM(bnep_session_sem);`
70
71			`static struct bnep_session __bnep_get_session(u8 dst)`
72			`{`
73			`struct bnep_session *s;`
74			`struct list_head *p;`
75
76			`BT_DBG("");`
77
78			`list_for_each(p, &bnep_session_list) {`
79			`s = list_entry(p, struct bnep_session, list);`
80			`if (!memcmp(dst, s->eh.h_source, ETH_ALEN))`
81			`return s;`
82			`}`
83			`return NULL;`
84			`}`
85
86			`static void __bnep_link_session(struct bnep_session *s)`
87			`{`
88			`MOD_INC_USE_COUNT;`
89			`list_add(&s->list, &bnep_session_list);`
90			`}`
91
92			`static void __bnep_unlink_session(struct bnep_session *s)`
93			`{`
94			`list_del(&s->list);`
95			`MOD_DEC_USE_COUNT;`
96			`}`
97
98			`static int bnep_send(struct bnep_session s, void data, size_t len)`
99			`{`
100			`struct socket *sock = s->sock;`
101			`struct iovec iv = { data, len };`
102			`s->msg.msg_iov = &iv;`
103			`s->msg.msg_iovlen = 1;`
104			`return sock->ops->sendmsg(sock, &s->msg, len, NULL);`
105			`}`
106
107			`static int bnep_send_rsp(struct bnep_session *s, u8 ctrl, u16 resp)`
108			`{`
109			`struct bnep_control_rsp rsp;`
110			`rsp.type = BNEP_CONTROL;`
111			`rsp.ctrl = ctrl;`
112			`rsp.resp = htons(resp);`
113			`return bnep_send(s, &rsp, sizeof(rsp));`
114			`}`
115
116			`static int bnep_ctrl_set_netfilter(struct bnep_session s, u16 data, int len)`
117			`{`
118			`int n;`
119
120			`if (len < 2)`
121			`return -EILSEQ;`
122
123			`n = ntohs(get_unaligned(data));`
124			`data++; len -= 2;`
125
126			`if (len < n)`
127			`return -EILSEQ;`
128
129			`BT_DBG("filter len %d", n);`
130
131			`#ifdef CONFIG_BLUEZ_BNEP_PROTO_FILTER`
132			`n /= 4;`
133			`if (n <= BNEP_MAX_PROTO_FILTERS) {`
134			`struct bnep_proto_filter *f = s->proto_filter;`
135			`int i;`
136
137			`for (i = 0; i < n; i++) {`
138			`f[i].start = get_unaligned(data++);`
139			`f[i].end = get_unaligned(data++);`
140
141			`BT_DBG("proto filter start %d end %d",`
142			`f[i].start, f[i].end);`
143			`}`
144			`if (i < BNEP_MAX_PROTO_FILTERS)`
145			`memset(f + i, 0, sizeof(*f));`
146
147			`bnep_send_rsp(s, BNEP_FILTER_NET_TYPE_RSP, BNEP_SUCCESS);`
148			`} else {`
149			`bnep_send_rsp(s, BNEP_FILTER_NET_TYPE_RSP, BNEP_FILTER_LIMIT_REACHED);`
150			`}`
151			`#else`
152			`bnep_send_rsp(s, BNEP_FILTER_NET_TYPE_RSP, BNEP_FILTER_UNSUPPORTED_REQ);`
153			`#endif`
154			`return 0;`
155			`}`
156
157			`static int bnep_ctrl_set_mcfilter(struct bnep_session s, u8 data, int len)`
158			`{`
159			`int n;`
160
161			`if (len < 2)`
162			`return -EILSEQ;`
163
164			`n = ntohs(get_unaligned((u16 *) data));`
165			`data += 2; len -= 2;`
166
167			`if (len < n)`
168			`return -EILSEQ;`
169
170			`BT_DBG("filter len %d", n);`
171
172			`#ifdef CONFIG_BLUEZ_BNEP_MC_FILTER`
173			`n /= (ETH_ALEN * 2);`
174
175			`if (n > 0) {`
176			`s->mc_filter = 0;`
177
178			`/* Always send broadcast */`
179			`set_bit(bnep_mc_hash(s->dev.broadcast), &s->mc_filter);`
180
181			`/* Add address ranges to the multicast hash */`
182			`for (; n > 0; n--) {`
183			`u8 a1[6], *a2;`
184
185			`memcpy(a1, data, ETH_ALEN); data += ETH_ALEN;`
186			`a2 = data; data += ETH_ALEN;`
187
188			`BT_DBG("mc filter %s -> %s",`
189			`batostr((void ) a1), batostr((void ) a2));`
190
191			`#define INCA(a) { int i = 5; while (i >=0 && ++a[i--] == 0); }`
192
193			`/* Iterate from a1 to a2 */`
194			`set_bit(bnep_mc_hash(a1), &s->mc_filter);`
195			`while (memcmp(a1, a2, 6) < 0 && s->mc_filter != ~0LL) {`
196			`INCA(a1);`
197			`set_bit(bnep_mc_hash(a1), &s->mc_filter);`
198			`}`
199			`}`
200			`}`
201
202			`BT_DBG("mc filter hash 0x%llx", s->mc_filter);`
203
204			`bnep_send_rsp(s, BNEP_FILTER_MULTI_ADDR_RSP, BNEP_SUCCESS);`
205			`#else`
206			`bnep_send_rsp(s, BNEP_FILTER_MULTI_ADDR_RSP, BNEP_FILTER_UNSUPPORTED_REQ);`
207			`#endif`
208			`return 0;`
209			`}`
210
211			`static int bnep_rx_control(struct bnep_session s, void data, int len)`
212			`{`
213			`u8 cmd = (u8 )data;`
214			`int err = 0;`
215
216			`data++; len--;`
217
218			`switch (cmd) {`
219			`case BNEP_CMD_NOT_UNDERSTOOD:`
220			`case BNEP_SETUP_CONN_REQ:`
221			`case BNEP_SETUP_CONN_RSP:`
222			`case BNEP_FILTER_NET_TYPE_RSP:`
223			`case BNEP_FILTER_MULTI_ADDR_RSP:`
224			`/* Ignore these for now */`
225			`break;`
226
227			`case BNEP_FILTER_NET_TYPE_SET:`
228			`err = bnep_ctrl_set_netfilter(s, data, len);`
229			`break;`
230
231			`case BNEP_FILTER_MULTI_ADDR_SET:`
232			`err = bnep_ctrl_set_mcfilter(s, data, len);`
233			`break;`
234
235			`default: {`
236			`u8 pkt[3];`
237			`pkt[0] = BNEP_CONTROL;`
238			`pkt[1] = BNEP_CMD_NOT_UNDERSTOOD;`
239			`pkt[2] = cmd;`
240			`bnep_send(s, pkt, sizeof(pkt));`
241			`}`
242			`break;`
243			`}`
244
245			`return err;`
246			`}`
247
248			`static int bnep_rx_extension(struct bnep_session s, struct sk_buff skb)`
249			`{`
250			`struct bnep_ext_hdr *h;`
251			`int err = 0;`
252
253			`do {`
254			`h = (void *) skb->data;`
255			`if (!skb_pull(skb, sizeof(*h))) {`
256			`err = -EILSEQ;`
257			`break;`
258			`}`
259
260			`BT_DBG("type 0x%x len %d", h->type, h->len);`
261
262			`switch (h->type & BNEP_TYPE_MASK) {`
263			`case BNEP_EXT_CONTROL:`
264			`bnep_rx_control(s, skb->data, skb->len);`
265			`break;`
266
267			`default:`
268			`/* Unknown extension, skip it. */`
269			`break;`
270			`}`
271
272			`if (!skb_pull(skb, h->len)) {`
273			`err = -EILSEQ;`
274			`break;`
275			`}`
276			`} while (!err && (h->type & BNEP_EXT_HEADER));`
277
278			`return err;`
279			`}`
280
281			`static u8 __bnep_rx_hlen[] = {`
282			`ETH_HLEN, /* BNEP_GENERAL */`
283			`0, /* BNEP_CONTROL */`
284			`2, /* BNEP_COMPRESSED */`
285			`ETH_ALEN + 2, /* BNEP_COMPRESSED_SRC_ONLY */`
286			`ETH_ALEN + 2 /* BNEP_COMPRESSED_DST_ONLY */`
287			`};`
288			`#define BNEP_RX_TYPES (sizeof(__bnep_rx_hlen) - 1)`
289
290			`static inline int bnep_rx_frame(struct bnep_session s, struct sk_buff skb)`
291			`{`
292			`struct net_device *dev = &s->dev;`
293			`struct sk_buff *nskb;`
294			`u8 type;`
295
296			`dev->last_rx = jiffies;`
297			`s->stats.rx_bytes += skb->len;`
298
299			`type = (u8 ) skb->data; skb_pull(skb, 1);`
300
301			`if ((type & BNEP_TYPE_MASK) > BNEP_RX_TYPES)`
302			`goto badframe;`
303
304			`if ((type & BNEP_TYPE_MASK) == BNEP_CONTROL) {`
305			`bnep_rx_control(s, skb->data, skb->len);`
306			`kfree_skb(skb);`
307			`return 0;`
308			`}`
309
310			`skb->mac.raw = skb->data;`
311
312			`/* Verify and pull out header */`
313			`if (!skb_pull(skb, __bnep_rx_hlen[type & BNEP_TYPE_MASK]))`
314			`goto badframe;`
315
316			`s->eh.h_proto = get_unaligned((u16 *) (skb->data - 2));`
317
318			`if (type & BNEP_EXT_HEADER) {`
319			`if (bnep_rx_extension(s, skb) < 0)`
320			`goto badframe;`
321			`}`
322
323			`/* Strip 802.1p header */`
324			`if (ntohs(s->eh.h_proto) == 0x8100) {`
325			`if (!skb_pull(skb, 4))`
326			`goto badframe;`
327			`s->eh.h_proto = get_unaligned((u16 *) (skb->data - 2));`
328			`}`
329
330			`/* We have to alloc new skb and copy data here :(. Because original skb`
331			`* may not be modified and because of the alignment requirements. */`
332			`nskb = alloc_skb(2 + ETH_HLEN + skb->len, GFP_KERNEL);`
333			`if (!nskb) {`
334			`s->stats.rx_dropped++;`
335			`kfree_skb(skb);`
336			`return -ENOMEM;`
337			`}`
338			`skb_reserve(nskb, 2);`
339
340			`/* Decompress header and construct ether frame */`
341			`switch (type & BNEP_TYPE_MASK) {`
342			`case BNEP_COMPRESSED:`
343			`memcpy(__skb_put(nskb, ETH_HLEN), &s->eh, ETH_HLEN);`
344			`break;`
345
346			`case BNEP_COMPRESSED_SRC_ONLY:`
347			`memcpy(__skb_put(nskb, ETH_ALEN), s->eh.h_dest, ETH_ALEN);`
348			`memcpy(__skb_put(nskb, ETH_ALEN), skb->mac.raw, ETH_ALEN);`
349			`put_unaligned(s->eh.h_proto, (u16 *) __skb_put(nskb, 2));`
350			`break;`
351
352			`case BNEP_COMPRESSED_DST_ONLY:`
353			`memcpy(__skb_put(nskb, ETH_ALEN), skb->mac.raw, ETH_ALEN);`
354			`memcpy(__skb_put(nskb, ETH_ALEN + 2), s->eh.h_source, ETH_ALEN + 2);`
355			`break;`
356
357			`case BNEP_GENERAL:`
358			`memcpy(__skb_put(nskb, ETH_ALEN * 2), skb->mac.raw, ETH_ALEN * 2);`
359			`put_unaligned(s->eh.h_proto, (u16 *) __skb_put(nskb, 2));`
360			`break;`
361			`}`
362
363			`memcpy(__skb_put(nskb, skb->len), skb->data, skb->len);`
364			`kfree_skb(skb);`
365
366			`s->stats.rx_packets++;`
367			`nskb->dev = dev;`
368			`nskb->ip_summed = CHECKSUM_UNNECESSARY;`
369			`nskb->protocol = eth_type_trans(nskb, dev);`
370			`netif_rx_ni(nskb);`
371			`return 0;`
372
373			`badframe:`
374			`s->stats.rx_errors++;`
375			`kfree_skb(skb);`
376			`return 0;`
377			`}`
378
379			`static u8 __bnep_tx_types[] = {`
380			`BNEP_GENERAL,`
381			`BNEP_COMPRESSED_SRC_ONLY,`
382			`BNEP_COMPRESSED_DST_ONLY,`
383			`BNEP_COMPRESSED`
384			`};`
385
386			`static inline int bnep_tx_frame(struct bnep_session s, struct sk_buff skb)`
387			`{`
388			`struct ethhdr eh = (void ) skb->data;`
389			`struct socket *sock = s->sock;`
390			`struct iovec iv[3];`
391			`int len = 0, il = 0;`
392			`u8 type = 0;`
393
394			`BT_DBG("skb %p dev %p type %d", skb, skb->dev, skb->pkt_type);`
395
396			`if (!skb->dev) {`
397			`/* Control frame sent by us */`
398			`goto send;`
399			`}`
400
401			`iv[il++] = (struct iovec) { &type, 1 };`
402			`len++;`
403
404			`if (!memcmp(eh->h_dest, s->eh.h_source, ETH_ALEN))`
405			`type \|= 0x01;`
406
407			`if (!memcmp(eh->h_source, s->eh.h_dest, ETH_ALEN))`
408			`type \|= 0x02;`
409
410			`if (type)`
411			`skb_pull(skb, ETH_ALEN * 2);`
412
413			`type = __bnep_tx_types[type];`
414			`switch (type) {`
415			`case BNEP_COMPRESSED_SRC_ONLY:`
416			`iv[il++] = (struct iovec) { eh->h_source, ETH_ALEN };`
417			`len += ETH_ALEN;`
418			`break;`
419
420			`case BNEP_COMPRESSED_DST_ONLY:`
421			`iv[il++] = (struct iovec) { eh->h_dest, ETH_ALEN };`
422			`len += ETH_ALEN;`
423			`break;`
424			`}`
425
426			`send:`
427			`iv[il++] = (struct iovec) { skb->data, skb->len };`
428			`len += skb->len;`
429
430			`/* FIXME: linearize skb */`
431
432			`s->msg.msg_iov = iv;`
433			`s->msg.msg_iovlen = il;`
434			`len = sock->ops->sendmsg(sock, &s->msg, len, NULL);`
435			`kfree_skb(skb);`
436
437			`if (len > 0) {`
438			`s->stats.tx_bytes += len;`
439			`s->stats.tx_packets++;`
440			`return 0;`
441			`}`
442
443			`return len;`
444			`}`
445
446			`static int bnep_session(void *arg)`
447			`{`
448			`struct bnep_session *s = arg;`
449			`struct net_device *dev = &s->dev;`
450			`struct sock *sk = s->sock->sk;`
451			`struct sk_buff *skb;`
452			`wait_queue_t wait;`
453
454			`BT_DBG("");`
455
456			`daemonize(); reparent_to_init();`
457
458			`sprintf(current->comm, "kbnepd %s", dev->name);`
459
460			`sigfillset(&current->blocked);`
461			`flush_signals(current);`
462
463			`current->nice = -15;`
464
465			`set_fs(KERNEL_DS);`
466
467			`init_waitqueue_entry(&wait, current);`
468			`add_wait_queue(sk->sleep, &wait);`
469			`while (!atomic_read(&s->killed)) {`
470			`set_current_state(TASK_INTERRUPTIBLE);`
471
472			`// RX`
473			`while ((skb = skb_dequeue(&sk->receive_queue))) {`
474			`skb_orphan(skb);`
475			`bnep_rx_frame(s, skb);`
476			`}`
477
478			`if (sk->state != BT_CONNECTED)`
479			`break;`
480
481			`// TX`
482			`while ((skb = skb_dequeue(&sk->write_queue)))`
483			`if (bnep_tx_frame(s, skb))`
484			`break;`
485			`netif_wake_queue(dev);`
486
487			`schedule();`
488			`}`
489			`set_current_state(TASK_RUNNING);`
490			`remove_wait_queue(sk->sleep, &wait);`
491
492			`/* Cleanup session */`
493			`down_write(&bnep_session_sem);`
494
495			`/* Delete network device */`
496			`unregister_netdev(dev);`
497
498			`/* Release the socket */`
499			`fput(s->sock->file);`
500
501			`__bnep_unlink_session(s);`
502
503			`up_write(&bnep_session_sem);`
504			`kfree(s);`
505			`return 0;`
506			`}`
507
508			`int bnep_add_connection(struct bnep_connadd_req req, struct socket sock)`
509			`{`
510			`struct net_device *dev;`
511			`struct bnep_session s, ss;`
512			`u8 dst[ETH_ALEN], src[ETH_ALEN];`
513			`int err;`
514
515			`BT_DBG("");`
516
517			`baswap((void *) dst, &bluez_pi(sock->sk)->dst);`
518			`baswap((void *) src, &bluez_pi(sock->sk)->src);`
519
520			`s = kmalloc(sizeof(struct bnep_session), GFP_KERNEL);`
521			`if (!s)`
522			`return -ENOMEM;`
523			`memset(s, 0, sizeof(struct bnep_session));`
524
525			`down_write(&bnep_session_sem);`
526
527			`ss = __bnep_get_session(dst);`
528			`if (ss && ss->state == BT_CONNECTED) {`
529			`err = -EEXIST;`
530			`goto failed;`
531			`}`
532
533			`dev = &s->dev;`
534
535			`if (*req->device)`
536			`strcpy(dev->name, req->device);`
537			`else`
538			`strcpy(dev->name, "bnep%d");`
539
540			`memset(dev->broadcast, 0xff, ETH_ALEN);`
541
542			`/* This is rx header therefor addresses are swaped.`
543			`* ie eh.h_dest is our local address. */`
544			`memcpy(s->eh.h_dest, &src, ETH_ALEN);`
545			`memcpy(s->eh.h_source, &dst, ETH_ALEN);`
546
547			`s->sock = sock;`
548			`s->role = req->role;`
549			`s->state = BT_CONNECTED;`
550
551			`s->msg.msg_flags = MSG_NOSIGNAL;`
552
553			`#ifdef CONFIG_BLUEZ_BNEP_MC_FILTER`
554			`/* Set default mc filter */`
555			`set_bit(bnep_mc_hash(dev->broadcast), &s->mc_filter);`
556			`#endif`
557
558			`#ifdef CONFIG_BLUEZ_BNEP_PROTO_FILTER`
559			`/* Set default protocol filter */`
560
561			`/* (IPv4, ARP) */`
562			`s->proto_filter[0].start = htons(0x0800);`
563			`s->proto_filter[0].end = htons(0x0806);`
564			`/* (RARP, AppleTalk) */`
565			`s->proto_filter[1].start = htons(0x8035);`
566			`s->proto_filter[1].end = htons(0x80F3);`
567			`/* (IPX, IPv6) */`
568			`s->proto_filter[2].start = htons(0x8137);`
569			`s->proto_filter[2].end = htons(0x86DD);`
570			`#endif`
571
572			`dev->init = bnep_net_init;`
573			`dev->priv = s;`
574			`err = register_netdev(dev);`
575			`if (err) {`
576			`goto failed;`
577			`}`
578
579			`__bnep_link_session(s);`
580
581			`err = kernel_thread(bnep_session, s, CLONE_FS \| CLONE_FILES \| CLONE_SIGHAND);`
582			`if (err < 0) {`
583			`/* Session thread start failed, gotta cleanup. */`
584			`unregister_netdev(dev);`
585			`__bnep_unlink_session(s);`
586			`goto failed;`
587			`}`
588
589			`up_write(&bnep_session_sem);`
590			`strcpy(req->device, dev->name);`
591			`return 0;`
592
593			`failed:`
594			`up_write(&bnep_session_sem);`
595			`kfree(s);`
596			`return err;`
597			`}`
598
599			`int bnep_del_connection(struct bnep_conndel_req *req)`
600			`{`
601			`struct bnep_session *s;`
602			`int err = 0;`
603
604			`BT_DBG("");`
605
606			`down_read(&bnep_session_sem);`
607
608			`s = __bnep_get_session(req->dst);`
609			`if (s) {`
610			`/* Wakeup user-space which is polling for socket errors.`
611			`* This is temporary hack untill we have shutdown in L2CAP */`
612			`s->sock->sk->err = EUNATCH;`
613
614			`/* Kill session thread */`
615			`atomic_inc(&s->killed);`
616			`wake_up_interruptible(s->sock->sk->sleep);`
617			`} else`
618			`err = -ENOENT;`
619
620			`up_read(&bnep_session_sem);`
621			`return err;`
622			`}`
623
624			`static void __bnep_copy_ci(struct bnep_conninfo ci, struct bnep_session s)`
625			`{`
626			`memcpy(ci->dst, s->eh.h_source, ETH_ALEN);`
627			`strcpy(ci->device, s->dev.name);`
628			`ci->flags = s->flags;`
629			`ci->state = s->state;`
630			`ci->role = s->role;`
631			`}`
632
633			`int bnep_get_connlist(struct bnep_connlist_req *req)`
634			`{`
635			`struct list_head *p;`
636			`int err = 0, n = 0;`
637
638			`down_read(&bnep_session_sem);`
639
640			`list_for_each(p, &bnep_session_list) {`
641			`struct bnep_session *s;`
642			`struct bnep_conninfo ci;`
643
644			`s = list_entry(p, struct bnep_session, list);`
645
646			`__bnep_copy_ci(&ci, s);`
647
648			`if (copy_to_user(req->ci, &ci, sizeof(ci))) {`
649			`err = -EFAULT;`
650			`break;`
651			`}`
652
653			`if (++n >= req->cnum)`
654			`break;`
655
656			`req->ci++;`
657			`}`
658			`req->cnum = n;`
659
660			`up_read(&bnep_session_sem);`
661			`return err;`
662			`}`
663
664			`int bnep_get_conninfo(struct bnep_conninfo *ci)`
665			`{`
666			`struct bnep_session *s;`
667			`int err = 0;`
668
669			`down_read(&bnep_session_sem);`
670
671			`s = __bnep_get_session(ci->dst);`
672			`if (s)`
673			`__bnep_copy_ci(ci, s);`
674			`else`
675			`err = -ENOENT;`
676
677			`up_read(&bnep_session_sem);`
678			`return err;`
679			`}`
680
681			`static int __init bnep_init_module(void)`
682			`{`
683			`l2cap_load();`
684
685			`bnep_sock_init();`
686
687			`BT_INFO("BlueZ BNEP ver %s", VERSION);`
688			`BT_INFO("Copyright (C) 2001,2002 Inventel Systemes");`
689			`BT_INFO("Written 2001,2002 by Clement Moreau <clement.moreau@inventel.fr>");`
690			`BT_INFO("Written 2001,2002 by David Libault <david.libault@inventel.fr>");`
691			`BT_INFO("Copyright (C) 2002 Maxim Krasnyanskiy <maxk@qualcomm.com>");`
692
693			`return 0;`
694			`}`
695
696			`static void __exit bnep_cleanup_module(void)`
697			`{`
698			`bnep_sock_cleanup();`
699			`}`
700
701			`module_init(bnep_init_module);`
702			`module_exit(bnep_cleanup_module);`
703
704			`MODULE_DESCRIPTION("BlueZ BNEP ver " VERSION);`
705			`MODULE_AUTHOR("David Libault <david.libault@inventel.fr>, Maxim Krasnyanskiy <maxk@qualcomm.com>");`
706			`MODULE_LICENSE("GPL");`