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Diffstat (limited to 'net/bluetooth/rfcomm/core.c')
-rw-r--r--net/bluetooth/rfcomm/core.c68
1 files changed, 38 insertions, 30 deletions
diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c
index 7dca91bb8c57..6b83776534fb 100644
--- a/net/bluetooth/rfcomm/core.c
+++ b/net/bluetooth/rfcomm/core.c
@@ -41,7 +41,7 @@
#include <linux/slab.h>
#include <net/sock.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
#include <asm/unaligned.h>
#include <net/bluetooth/bluetooth.h>
@@ -51,10 +51,10 @@
#define VERSION "1.11"
-static int disable_cfc = 0;
+static int disable_cfc;
+static int l2cap_ertm;
static int channel_mtu = -1;
static unsigned int l2cap_mtu = RFCOMM_MAX_L2CAP_MTU;
-static int l2cap_ertm = 0;
static struct task_struct *rfcomm_thread;
@@ -79,7 +79,10 @@ static void rfcomm_make_uih(struct sk_buff *skb, u8 addr);
static void rfcomm_process_connect(struct rfcomm_session *s);
-static struct rfcomm_session *rfcomm_session_create(bdaddr_t *src, bdaddr_t *dst, int *err);
+static struct rfcomm_session *rfcomm_session_create(bdaddr_t *src,
+ bdaddr_t *dst,
+ u8 sec_level,
+ int *err);
static struct rfcomm_session *rfcomm_session_get(bdaddr_t *src, bdaddr_t *dst);
static void rfcomm_session_del(struct rfcomm_session *s);
@@ -113,11 +116,10 @@ static void rfcomm_session_del(struct rfcomm_session *s);
#define __get_rpn_stop_bits(line) (((line) >> 2) & 0x1)
#define __get_rpn_parity(line) (((line) >> 3) & 0x7)
-static inline void rfcomm_schedule(uint event)
+static inline void rfcomm_schedule(void)
{
if (!rfcomm_thread)
return;
- //set_bit(event, &rfcomm_event);
set_bit(RFCOMM_SCHED_WAKEUP, &rfcomm_event);
wake_up_process(rfcomm_thread);
}
@@ -179,13 +181,13 @@ static unsigned char rfcomm_crc_table[256] = {
/* FCS on 2 bytes */
static inline u8 __fcs(u8 *data)
{
- return (0xff - __crc(data));
+ return 0xff - __crc(data);
}
/* FCS on 3 bytes */
static inline u8 __fcs2(u8 *data)
{
- return (0xff - rfcomm_crc_table[__crc(data) ^ data[2]]);
+ return 0xff - rfcomm_crc_table[__crc(data) ^ data[2]];
}
/* Check FCS */
@@ -203,13 +205,13 @@ static inline int __check_fcs(u8 *data, int type, u8 fcs)
static void rfcomm_l2state_change(struct sock *sk)
{
BT_DBG("%p state %d", sk, sk->sk_state);
- rfcomm_schedule(RFCOMM_SCHED_STATE);
+ rfcomm_schedule();
}
static void rfcomm_l2data_ready(struct sock *sk, int bytes)
{
BT_DBG("%p bytes %d", sk, bytes);
- rfcomm_schedule(RFCOMM_SCHED_RX);
+ rfcomm_schedule();
}
static int rfcomm_l2sock_create(struct socket **sock)
@@ -255,7 +257,7 @@ static void rfcomm_session_timeout(unsigned long arg)
BT_DBG("session %p state %ld", s, s->state);
set_bit(RFCOMM_TIMED_OUT, &s->flags);
- rfcomm_schedule(RFCOMM_SCHED_TIMEO);
+ rfcomm_schedule();
}
static void rfcomm_session_set_timer(struct rfcomm_session *s, long timeout)
@@ -283,7 +285,7 @@ static void rfcomm_dlc_timeout(unsigned long arg)
set_bit(RFCOMM_TIMED_OUT, &d->flags);
rfcomm_dlc_put(d);
- rfcomm_schedule(RFCOMM_SCHED_TIMEO);
+ rfcomm_schedule();
}
static void rfcomm_dlc_set_timer(struct rfcomm_dlc *d, long timeout)
@@ -309,6 +311,7 @@ static void rfcomm_dlc_clear_state(struct rfcomm_dlc *d)
d->state = BT_OPEN;
d->flags = 0;
d->mscex = 0;
+ d->sec_level = BT_SECURITY_LOW;
d->mtu = RFCOMM_DEFAULT_MTU;
d->v24_sig = RFCOMM_V24_RTC | RFCOMM_V24_RTR | RFCOMM_V24_DV;
@@ -402,7 +405,7 @@ static int __rfcomm_dlc_open(struct rfcomm_dlc *d, bdaddr_t *src, bdaddr_t *dst,
s = rfcomm_session_get(src, dst);
if (!s) {
- s = rfcomm_session_create(src, dst, &err);
+ s = rfcomm_session_create(src, dst, d->sec_level, &err);
if (!s)
return err;
}
@@ -465,7 +468,7 @@ static int __rfcomm_dlc_close(struct rfcomm_dlc *d, int err)
case BT_CONFIG:
if (test_and_clear_bit(RFCOMM_DEFER_SETUP, &d->flags)) {
set_bit(RFCOMM_AUTH_REJECT, &d->flags);
- rfcomm_schedule(RFCOMM_SCHED_AUTH);
+ rfcomm_schedule();
break;
}
/* Fall through */
@@ -485,7 +488,7 @@ static int __rfcomm_dlc_close(struct rfcomm_dlc *d, int err)
case BT_CONNECT2:
if (test_and_clear_bit(RFCOMM_DEFER_SETUP, &d->flags)) {
set_bit(RFCOMM_AUTH_REJECT, &d->flags);
- rfcomm_schedule(RFCOMM_SCHED_AUTH);
+ rfcomm_schedule();
break;
}
/* Fall through */
@@ -533,7 +536,7 @@ int rfcomm_dlc_send(struct rfcomm_dlc *d, struct sk_buff *skb)
skb_queue_tail(&d->tx_queue, skb);
if (!test_bit(RFCOMM_TX_THROTTLED, &d->flags))
- rfcomm_schedule(RFCOMM_SCHED_TX);
+ rfcomm_schedule();
return len;
}
@@ -545,7 +548,7 @@ void __rfcomm_dlc_throttle(struct rfcomm_dlc *d)
d->v24_sig |= RFCOMM_V24_FC;
set_bit(RFCOMM_MSC_PENDING, &d->flags);
}
- rfcomm_schedule(RFCOMM_SCHED_TX);
+ rfcomm_schedule();
}
void __rfcomm_dlc_unthrottle(struct rfcomm_dlc *d)
@@ -556,7 +559,7 @@ void __rfcomm_dlc_unthrottle(struct rfcomm_dlc *d)
d->v24_sig &= ~RFCOMM_V24_FC;
set_bit(RFCOMM_MSC_PENDING, &d->flags);
}
- rfcomm_schedule(RFCOMM_SCHED_TX);
+ rfcomm_schedule();
}
/*
@@ -577,7 +580,7 @@ int rfcomm_dlc_set_modem_status(struct rfcomm_dlc *d, u8 v24_sig)
d->v24_sig = v24_sig;
if (!test_and_set_bit(RFCOMM_MSC_PENDING, &d->flags))
- rfcomm_schedule(RFCOMM_SCHED_TX);
+ rfcomm_schedule();
return 0;
}
@@ -680,7 +683,10 @@ static void rfcomm_session_close(struct rfcomm_session *s, int err)
rfcomm_session_put(s);
}
-static struct rfcomm_session *rfcomm_session_create(bdaddr_t *src, bdaddr_t *dst, int *err)
+static struct rfcomm_session *rfcomm_session_create(bdaddr_t *src,
+ bdaddr_t *dst,
+ u8 sec_level,
+ int *err)
{
struct rfcomm_session *s = NULL;
struct sockaddr_l2 addr;
@@ -705,6 +711,7 @@ static struct rfcomm_session *rfcomm_session_create(bdaddr_t *src, bdaddr_t *dst
sk = sock->sk;
lock_sock(sk);
l2cap_pi(sk)->imtu = l2cap_mtu;
+ l2cap_pi(sk)->sec_level = sec_level;
if (l2cap_ertm)
l2cap_pi(sk)->mode = L2CAP_MODE_ERTM;
release_sock(sk);
@@ -816,7 +823,7 @@ static int rfcomm_queue_disc(struct rfcomm_dlc *d)
cmd->fcs = __fcs2((u8 *) cmd);
skb_queue_tail(&d->tx_queue, skb);
- rfcomm_schedule(RFCOMM_SCHED_TX);
+ rfcomm_schedule();
return 0;
}
@@ -1157,7 +1164,8 @@ static int rfcomm_recv_ua(struct rfcomm_session *s, u8 dlci)
* initiator rfcomm_process_rx already calls
* rfcomm_session_put() */
if (s->sock->sk->sk_state != BT_CLOSED)
- rfcomm_session_put(s);
+ if (list_empty(&s->dlcs))
+ rfcomm_session_put(s);
break;
}
}
@@ -1415,8 +1423,8 @@ static int rfcomm_recv_rpn(struct rfcomm_session *s, int cr, int len, struct sk_
return 0;
if (len == 1) {
- /* This is a request, return default settings */
- bit_rate = RFCOMM_RPN_BR_115200;
+ /* This is a request, return default (according to ETSI TS 07.10) settings */
+ bit_rate = RFCOMM_RPN_BR_9600;
data_bits = RFCOMM_RPN_DATA_8;
stop_bits = RFCOMM_RPN_STOP_1;
parity = RFCOMM_RPN_PARITY_NONE;
@@ -1431,9 +1439,9 @@ static int rfcomm_recv_rpn(struct rfcomm_session *s, int cr, int len, struct sk_
if (rpn->param_mask & cpu_to_le16(RFCOMM_RPN_PM_BITRATE)) {
bit_rate = rpn->bit_rate;
- if (bit_rate != RFCOMM_RPN_BR_115200) {
+ if (bit_rate > RFCOMM_RPN_BR_230400) {
BT_DBG("RPN bit rate mismatch 0x%x", bit_rate);
- bit_rate = RFCOMM_RPN_BR_115200;
+ bit_rate = RFCOMM_RPN_BR_9600;
rpn_mask ^= RFCOMM_RPN_PM_BITRATE;
}
}
@@ -1698,7 +1706,7 @@ static int rfcomm_recv_frame(struct rfcomm_session *s, struct sk_buff *skb)
break;
default:
- BT_ERR("Unknown packet type 0x%02x\n", type);
+ BT_ERR("Unknown packet type 0x%02x", type);
break;
}
kfree_skb(skb);
@@ -1884,7 +1892,7 @@ static inline void rfcomm_accept_connection(struct rfcomm_session *s)
* L2CAP MTU minus UIH header and FCS. */
s->mtu = min(l2cap_pi(nsock->sk)->omtu, l2cap_pi(nsock->sk)->imtu) - 5;
- rfcomm_schedule(RFCOMM_SCHED_RX);
+ rfcomm_schedule();
} else
sock_release(nsock);
}
@@ -1895,7 +1903,7 @@ static inline void rfcomm_check_connection(struct rfcomm_session *s)
BT_DBG("%p state %ld", s, s->state);
- switch(sk->sk_state) {
+ switch (sk->sk_state) {
case BT_CONNECTED:
s->state = BT_CONNECT;
@@ -2093,7 +2101,7 @@ static void rfcomm_security_cfm(struct hci_conn *conn, u8 status, u8 encrypt)
rfcomm_session_put(s);
- rfcomm_schedule(RFCOMM_SCHED_AUTH);
+ rfcomm_schedule();
}
static struct hci_cb rfcomm_cb = {
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