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Diffstat (limited to 'net/bluetooth/bnep/core.c')
-rw-r--r--net/bluetooth/bnep/core.c297
1 files changed, 153 insertions, 144 deletions
diff --git a/net/bluetooth/bnep/core.c b/net/bluetooth/bnep/core.c
index 682bf20af52..a841d3e776c 100644
--- a/net/bluetooth/bnep/core.c
+++ b/net/bluetooth/bnep/core.c
@@ -1,8 +1,8 @@
-/*
+/*
BNEP implementation for Linux Bluetooth stack (BlueZ).
Copyright (C) 2001-2002 Inventel Systemes
Written 2001-2002 by
- Clément Moreau <clement.moreau@inventel.fr>
+ Clément Moreau <clement.moreau@inventel.fr>
David Libault <david.libault@inventel.fr>
Copyright (C) 2002 Maxim Krasnyansky <maxk@qualcomm.com>
@@ -15,53 +15,32 @@
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
+ 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
+ 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 1.20 2002/08/04 21:23:58 maxk Exp $
- */
-
-#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/kthread.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 <net/bluetooth/hci_core.h>
#include "bnep.h"
-#ifndef CONFIG_BT_BNEP_DEBUG
-#undef BT_DBG
-#define BT_DBG(D...)
-#endif
+#define VERSION "1.3"
-#define VERSION "1.2"
+static bool compress_src = true;
+static bool compress_dst = true;
static LIST_HEAD(bnep_session_list);
static DECLARE_RWSEM(bnep_session_sem);
@@ -69,31 +48,24 @@ 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))
+ list_for_each_entry(s, &bnep_session_list, list)
+ if (ether_addr_equal(dst, s->eh.h_source))
return s;
- }
+
return NULL;
}
static void __bnep_link_session(struct bnep_session *s)
{
- /* It's safe to call __module_get() here because sessions are added
- by the socket layer which has to hold the refference to this module.
- */
- __module_get(THIS_MODULE);
- list_add(&s->list, &bnep_session_list);
+ list_add(&s->list, &bnep_session_list);
}
static void __bnep_unlink_session(struct bnep_session *s)
{
list_del(&s->list);
- module_put(THIS_MODULE);
}
static int bnep_send(struct bnep_session *s, void *data, size_t len)
@@ -117,26 +89,27 @@ static int bnep_send_rsp(struct bnep_session *s, u8 ctrl, u16 resp)
static inline void bnep_set_default_proto_filter(struct bnep_session *s)
{
/* (IPv4, ARP) */
- s->proto_filter[0].start = htons(0x0800);
- s->proto_filter[0].end = htons(0x0806);
+ s->proto_filter[0].start = ETH_P_IP;
+ s->proto_filter[0].end = ETH_P_ARP;
/* (RARP, AppleTalk) */
- s->proto_filter[1].start = htons(0x8035);
- s->proto_filter[1].end = htons(0x80F3);
+ s->proto_filter[1].start = ETH_P_RARP;
+ s->proto_filter[1].end = ETH_P_AARP;
/* (IPX, IPv6) */
- s->proto_filter[2].start = htons(0x8137);
- s->proto_filter[2].end = htons(0x86DD);
+ s->proto_filter[2].start = ETH_P_IPX;
+ s->proto_filter[2].end = ETH_P_IPV6;
}
#endif
-static int bnep_ctrl_set_netfilter(struct bnep_session *s, u16 *data, int len)
+static int bnep_ctrl_set_netfilter(struct bnep_session *s, __be16 *data, int len)
{
int n;
if (len < 2)
return -EILSEQ;
- n = ntohs(get_unaligned(data));
- data++; len -= 2;
+ n = get_unaligned_be16(data);
+ data++;
+ len -= 2;
if (len < n)
return -EILSEQ;
@@ -150,8 +123,8 @@ static int bnep_ctrl_set_netfilter(struct bnep_session *s, u16 *data, int len)
int i;
for (i = 0; i < n; i++) {
- f[i].start = get_unaligned(data++);
- f[i].end = get_unaligned(data++);
+ f[i].start = get_unaligned_be16(data++);
+ f[i].end = get_unaligned_be16(data++);
BT_DBG("proto filter start %d end %d",
f[i].start, f[i].end);
@@ -180,8 +153,9 @@ static int bnep_ctrl_set_mcfilter(struct bnep_session *s, u8 *data, int len)
if (len < 2)
return -EILSEQ;
- n = ntohs(get_unaligned((u16 *) data));
- data += 2; len -= 2;
+ n = get_unaligned_be16(data);
+ data += 2;
+ len -= 2;
if (len < n)
return -EILSEQ;
@@ -192,6 +166,8 @@ static int bnep_ctrl_set_mcfilter(struct bnep_session *s, u8 *data, int len)
n /= (ETH_ALEN * 2);
if (n > 0) {
+ int i;
+
s->mc_filter = 0;
/* Always send broadcast */
@@ -201,18 +177,21 @@ static int bnep_ctrl_set_mcfilter(struct bnep_session *s, u8 *data, int len)
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));
+ memcpy(a1, data, ETH_ALEN);
+ data += ETH_ALEN;
+ a2 = data;
+ data += ETH_ALEN;
- #define INCA(a) { int i = 5; while (i >=0 && ++a[i--] == 0); }
+ BT_DBG("mc filter %pMR -> %pMR", a1, a2);
/* Iterate from a1 to a2 */
set_bit(bnep_mc_hash(a1), (ulong *) &s->mc_filter);
while (memcmp(a1, a2, 6) < 0 && s->mc_filter != ~0LL) {
- INCA(a1);
+ /* Increment a1 */
+ i = 5;
+ while (i >= 0 && ++a1[i--] == 0)
+ ;
+
set_bit(bnep_mc_hash(a1), (ulong *) &s->mc_filter);
}
}
@@ -232,11 +211,11 @@ static int bnep_rx_control(struct bnep_session *s, void *data, int len)
u8 cmd = *(u8 *)data;
int err = 0;
- data++; len--;
+ 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:
@@ -251,6 +230,10 @@ static int bnep_rx_control(struct bnep_session *s, void *data, int len)
err = bnep_ctrl_set_mcfilter(s, data, len);
break;
+ case BNEP_SETUP_CONN_REQ:
+ err = bnep_send_rsp(s, BNEP_SETUP_CONN_RSP, BNEP_CONN_NOT_ALLOWED);
+ break;
+
default: {
u8 pkt[3];
pkt[0] = BNEP_CONTROL;
@@ -277,7 +260,7 @@ static int bnep_rx_extension(struct bnep_session *s, struct sk_buff *skb)
}
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);
@@ -293,7 +276,7 @@ static int bnep_rx_extension(struct bnep_session *s, struct sk_buff *skb)
break;
}
} while (!err && (h->type & BNEP_EXT_HEADER));
-
+
return err;
}
@@ -304,35 +287,34 @@ static u8 __bnep_rx_hlen[] = {
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)
+static 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;
+ dev->stats.rx_bytes += skb->len;
- type = *(u8 *) skb->data; skb_pull(skb, 1);
+ type = *(u8 *) skb->data;
+ skb_pull(skb, 1);
- if ((type & BNEP_TYPE_MASK) > BNEP_RX_TYPES)
+ if ((type & BNEP_TYPE_MASK) >= sizeof(__bnep_rx_hlen))
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;
+ skb_reset_mac_header(skb);
/* 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));
+ s->eh.h_proto = get_unaligned((__be16 *) (skb->data - 2));
if (type & BNEP_EXT_HEADER) {
if (bnep_rx_extension(s, skb) < 0)
@@ -340,17 +322,17 @@ static inline int bnep_rx_frame(struct bnep_session *s, struct sk_buff *skb)
}
/* Strip 802.1p header */
- if (ntohs(s->eh.h_proto) == 0x8100) {
+ if (ntohs(s->eh.h_proto) == ETH_P_8021Q) {
if (!skb_pull(skb, 4))
goto badframe;
- s->eh.h_proto = get_unaligned((u16 *) (skb->data - 2));
+ s->eh.h_proto = get_unaligned((__be16 *) (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++;
+ dev->stats.rx_dropped++;
kfree_skb(skb);
return -ENOMEM;
}
@@ -361,36 +343,38 @@ static inline int bnep_rx_frame(struct bnep_session *s, struct sk_buff *skb)
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));
+ memcpy(__skb_put(nskb, ETH_ALEN), skb_mac_header(skb), ETH_ALEN);
+ put_unaligned(s->eh.h_proto, (__be16 *) __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);
+ memcpy(__skb_put(nskb, ETH_ALEN), skb_mac_header(skb),
+ 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));
+ memcpy(__skb_put(nskb, ETH_ALEN * 2), skb_mac_header(skb),
+ ETH_ALEN * 2);
+ put_unaligned(s->eh.h_proto, (__be16 *) __skb_put(nskb, 2));
break;
}
- memcpy(__skb_put(nskb, skb->len), skb->data, skb->len);
+ skb_copy_from_linear_data(skb, __skb_put(nskb, skb->len), skb->len);
kfree_skb(skb);
-
- s->stats.rx_packets++;
- nskb->dev = dev;
+
+ dev->stats.rx_packets++;
nskb->ip_summed = CHECKSUM_NONE;
nskb->protocol = eth_type_trans(nskb, dev);
netif_rx_ni(nskb);
return 0;
badframe:
- s->stats.rx_errors++;
+ dev->stats.rx_errors++;
kfree_skb(skb);
return 0;
}
@@ -402,7 +386,7 @@ static u8 __bnep_tx_types[] = {
BNEP_COMPRESSED
};
-static inline int bnep_tx_frame(struct bnep_session *s, struct sk_buff *skb)
+static int bnep_tx_frame(struct bnep_session *s, struct sk_buff *skb)
{
struct ethhdr *eh = (void *) skb->data;
struct socket *sock = s->sock;
@@ -420,10 +404,10 @@ static inline int bnep_tx_frame(struct bnep_session *s, struct sk_buff *skb)
iv[il++] = (struct kvec) { &type, 1 };
len++;
- if (!memcmp(eh->h_dest, s->eh.h_source, ETH_ALEN))
+ if (compress_src && ether_addr_equal(eh->h_dest, s->eh.h_source))
type |= 0x01;
- if (!memcmp(eh->h_source, s->eh.h_dest, ETH_ALEN))
+ if (compress_dst && ether_addr_equal(eh->h_source, s->eh.h_dest))
type |= 0x02;
if (type)
@@ -435,7 +419,7 @@ static inline int bnep_tx_frame(struct bnep_session *s, struct sk_buff *skb)
iv[il++] = (struct kvec) { eh->h_source, ETH_ALEN };
len += ETH_ALEN;
break;
-
+
case BNEP_COMPRESSED_DST_ONLY:
iv[il++] = (struct kvec) { eh->h_dest, ETH_ALEN };
len += ETH_ALEN;
@@ -445,7 +429,7 @@ static inline int bnep_tx_frame(struct bnep_session *s, struct sk_buff *skb)
send:
iv[il++] = (struct kvec) { skb->data, skb->len };
len += skb->len;
-
+
/* FIXME: linearize skb */
{
len = kernel_sendmsg(sock, &s->msg, iv, il, len);
@@ -453,8 +437,8 @@ send:
kfree_skb(skb);
if (len > 0) {
- s->stats.tx_bytes += len;
- s->stats.tx_packets++;
+ s->dev->stats.tx_bytes += len;
+ s->dev->stats.tx_packets++;
return 0;
}
@@ -471,34 +455,37 @@ static int bnep_session(void *arg)
BT_DBG("");
- daemonize("kbnepd %s", dev->name);
set_user_nice(current, -15);
- current->flags |= PF_NOFREEZE;
init_waitqueue_entry(&wait, current);
- add_wait_queue(sk->sk_sleep, &wait);
- while (!atomic_read(&s->killed)) {
+ add_wait_queue(sk_sleep(sk), &wait);
+ while (1) {
set_current_state(TASK_INTERRUPTIBLE);
- // RX
+ if (atomic_read(&s->terminate))
+ break;
+ /* RX */
while ((skb = skb_dequeue(&sk->sk_receive_queue))) {
skb_orphan(skb);
- bnep_rx_frame(s, skb);
+ if (!skb_linearize(skb))
+ bnep_rx_frame(s, skb);
+ else
+ kfree_skb(skb);
}
if (sk->sk_state != BT_CONNECTED)
break;
-
- // TX
+
+ /* TX */
while ((skb = skb_dequeue(&sk->sk_write_queue)))
if (bnep_tx_frame(s, skb))
break;
netif_wake_queue(dev);
-
+
schedule();
}
- set_current_state(TASK_RUNNING);
- remove_wait_queue(sk->sk_sleep, &wait);
+ __set_current_state(TASK_RUNNING);
+ remove_wait_queue(sk_sleep(sk), &wait);
/* Cleanup session */
down_write(&bnep_session_sem);
@@ -506,6 +493,11 @@ static int bnep_session(void *arg)
/* Delete network device */
unregister_netdev(dev);
+ /* Wakeup user-space polling for socket errors */
+ s->sock->sk->sk_err = EUNATCH;
+
+ wake_up_interruptible(sk_sleep(s->sock->sk));
+
/* Release the socket */
fput(s->sock->file);
@@ -513,9 +505,25 @@ static int bnep_session(void *arg)
up_write(&bnep_session_sem);
free_netdev(dev);
+ module_put_and_exit(0);
return 0;
}
+static struct device *bnep_get_device(struct bnep_session *session)
+{
+ struct hci_conn *conn;
+
+ conn = l2cap_pi(session->sock->sk)->chan->conn->hcon;
+ if (!conn)
+ return NULL;
+
+ return &conn->dev;
+}
+
+static struct device_type bnep_type = {
+ .name = "bluetooth",
+};
+
int bnep_add_connection(struct bnep_connadd_req *req, struct socket *sock)
{
struct net_device *dev;
@@ -525,16 +533,15 @@ int bnep_add_connection(struct bnep_connadd_req *req, struct socket *sock)
BT_DBG("");
- baswap((void *) dst, &bt_sk(sock->sk)->dst);
- baswap((void *) src, &bt_sk(sock->sk)->src);
+ baswap((void *) dst, &l2cap_pi(sock->sk)->chan->dst);
+ baswap((void *) src, &l2cap_pi(sock->sk)->chan->src);
/* session struct allocated as private part of net_device */
dev = alloc_netdev(sizeof(struct bnep_session),
- (*req->device) ? req->device : "bnep%d",
- bnep_net_setup);
- if (!dev)
- return ENOMEM;
-
+ (*req->device) ? req->device : "bnep%d",
+ bnep_net_setup);
+ if (!dev)
+ return -ENOMEM;
down_write(&bnep_session_sem);
@@ -544,19 +551,19 @@ int bnep_add_connection(struct bnep_connadd_req *req, struct socket *sock)
goto failed;
}
- s = dev->priv;
+ s = netdev_priv(dev);
/* This is rx header therefore addresses are swapped.
- * ie eh.h_dest is our local address. */
+ * ie. eh.h_dest is our local address. */
memcpy(s->eh.h_dest, &src, ETH_ALEN);
memcpy(s->eh.h_source, &dst, ETH_ALEN);
memcpy(dev->dev_addr, s->eh.h_dest, ETH_ALEN);
- s->dev = dev;
+ s->dev = dev;
s->sock = sock;
s->role = req->role;
s->state = BT_CONNECTED;
-
+
s->msg.msg_flags = MSG_NOSIGNAL;
#ifdef CONFIG_BT_BNEP_MC_FILTER
@@ -569,18 +576,23 @@ int bnep_add_connection(struct bnep_connadd_req *req, struct socket *sock)
bnep_set_default_proto_filter(s);
#endif
+ SET_NETDEV_DEV(dev, bnep_get_device(s));
+ SET_NETDEV_DEVTYPE(dev, &bnep_type);
+
err = register_netdev(dev);
- if (err) {
+ if (err)
goto failed;
- }
__bnep_link_session(s);
-
- err = kernel_thread(bnep_session, s, CLONE_KERNEL);
- if (err < 0) {
+
+ __module_get(THIS_MODULE);
+ s->task = kthread_run(bnep_session, s, "kbnepd %s", dev->name);
+ if (IS_ERR(s->task)) {
/* Session thread start failed, gotta cleanup. */
+ module_put(THIS_MODULE);
unregister_netdev(dev);
__bnep_unlink_session(s);
+ err = PTR_ERR(s->task);
goto failed;
}
@@ -605,13 +617,8 @@ int bnep_del_connection(struct bnep_conndel_req *req)
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->sk_err = EUNATCH;
-
- /* Kill session thread */
- atomic_inc(&s->killed);
- wake_up_interruptible(s->sock->sk->sk_sleep);
+ atomic_inc(&s->terminate);
+ wake_up_process(s->task);
} else
err = -ENOENT;
@@ -621,6 +628,7 @@ int bnep_del_connection(struct bnep_conndel_req *req)
static void __bnep_copy_ci(struct bnep_conninfo *ci, struct bnep_session *s)
{
+ memset(ci, 0, sizeof(*ci));
memcpy(ci->dst, s->eh.h_source, ETH_ALEN);
strcpy(ci->device, s->dev->name);
ci->flags = s->flags;
@@ -630,19 +638,16 @@ static void __bnep_copy_ci(struct bnep_conninfo *ci, struct bnep_session *s)
int bnep_get_connlist(struct bnep_connlist_req *req)
{
- struct list_head *p;
+ struct bnep_session *s;
int err = 0, n = 0;
down_read(&bnep_session_sem);
- list_for_each(p, &bnep_session_list) {
- struct bnep_session *s;
+ list_for_each_entry(s, &bnep_session_list, list) {
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;
@@ -677,11 +682,9 @@ int bnep_get_conninfo(struct bnep_conninfo *ci)
}
static int __init bnep_init(void)
-{
+{
char flt[50] = "";
- l2cap_load();
-
#ifdef CONFIG_BT_BNEP_PROTO_FILTER
strcat(flt, "protocol ");
#endif
@@ -706,7 +709,13 @@ static void __exit bnep_exit(void)
module_init(bnep_init);
module_exit(bnep_exit);
-MODULE_AUTHOR("David Libault <david.libault@inventel.fr>, Maxim Krasnyansky <maxk@qualcomm.com>");
+module_param(compress_src, bool, 0644);
+MODULE_PARM_DESC(compress_src, "Compress sources headers");
+
+module_param(compress_dst, bool, 0644);
+MODULE_PARM_DESC(compress_dst, "Compress destination headers");
+
+MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
MODULE_DESCRIPTION("Bluetooth BNEP ver " VERSION);
MODULE_VERSION(VERSION);
MODULE_LICENSE("GPL");