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Diffstat (limited to 'include/net/bluetooth/rfcomm.h')
-rw-r--r--include/net/bluetooth/rfcomm.h111
1 files changed, 66 insertions, 45 deletions
diff --git a/include/net/bluetooth/rfcomm.h b/include/net/bluetooth/rfcomm.h
index 98ec7a32068..578b83127af 100644
--- a/include/net/bluetooth/rfcomm.h
+++ b/include/net/bluetooth/rfcomm.h
@@ -1,5 +1,5 @@
-/*
- RFCOMM implementation for Linux Bluetooth stack (BlueZ).
+/*
+ RFCOMM implementation for Linux Bluetooth stack (BlueZ)
Copyright (C) 2002 Maxim Krasnyansky <maxk@qualcomm.com>
Copyright (C) 2002 Marcel Holtmann <marcel@holtmann.org>
@@ -11,13 +11,13 @@
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.
*/
@@ -29,6 +29,7 @@
#define RFCOMM_CONN_TIMEOUT (HZ * 30)
#define RFCOMM_DISC_TIMEOUT (HZ * 20)
#define RFCOMM_AUTH_TIMEOUT (HZ * 25)
+#define RFCOMM_IDLE_TIMEOUT (HZ * 2)
#define RFCOMM_DEFAULT_MTU 127
#define RFCOMM_DEFAULT_CREDITS 7
@@ -104,20 +105,20 @@
struct rfcomm_hdr {
u8 addr;
u8 ctrl;
- u8 len; // Actual size can be 2 bytes
-} __attribute__ ((packed));
+ u8 len; /* Actual size can be 2 bytes */
+} __packed;
struct rfcomm_cmd {
u8 addr;
u8 ctrl;
u8 len;
u8 fcs;
-} __attribute__ ((packed));
+} __packed;
struct rfcomm_mcc {
u8 type;
u8 len;
-} __attribute__ ((packed));
+} __packed;
struct rfcomm_pn {
u8 dlci;
@@ -127,7 +128,7 @@ struct rfcomm_pn {
__le16 mtu;
u8 max_retrans;
u8 credits;
-} __attribute__ ((packed));
+} __packed;
struct rfcomm_rpn {
u8 dlci;
@@ -137,26 +138,26 @@ struct rfcomm_rpn {
u8 xon_char;
u8 xoff_char;
__le16 param_mask;
-} __attribute__ ((packed));
+} __packed;
struct rfcomm_rls {
u8 dlci;
u8 status;
-} __attribute__ ((packed));
+} __packed;
struct rfcomm_msc {
u8 dlci;
u8 v24_sig;
-} __attribute__ ((packed));
+} __packed;
/* ---- Core structures, flags etc ---- */
struct rfcomm_session {
struct list_head list;
struct socket *sock;
+ struct timer_list timer;
unsigned long state;
unsigned long flags;
- atomic_t refcnt;
int initiator;
/* Default DLC parameters */
@@ -172,7 +173,7 @@ struct rfcomm_dlc {
struct sk_buff_head tx_queue;
struct timer_list timer;
- spinlock_t lock;
+ struct mutex lock;
unsigned long state;
unsigned long flags;
atomic_t refcnt;
@@ -180,9 +181,12 @@ struct rfcomm_dlc {
u8 addr;
u8 priority;
u8 v24_sig;
+ u8 remote_v24_sig;
u8 mscex;
-
- u32 link_mode;
+ u8 out;
+ u8 sec_level;
+ u8 role_switch;
+ u32 defer_setup;
uint mtu;
uint cfc;
@@ -200,17 +204,15 @@ struct rfcomm_dlc {
#define RFCOMM_RX_THROTTLED 0
#define RFCOMM_TX_THROTTLED 1
#define RFCOMM_TIMED_OUT 2
-#define RFCOMM_MSC_PENDING 3
-#define RFCOMM_AUTH_PENDING 4
-#define RFCOMM_AUTH_ACCEPT 5
-#define RFCOMM_AUTH_REJECT 6
+#define RFCOMM_MSC_PENDING 3
+#define RFCOMM_SEC_PENDING 4
+#define RFCOMM_AUTH_PENDING 5
+#define RFCOMM_AUTH_ACCEPT 6
+#define RFCOMM_AUTH_REJECT 7
+#define RFCOMM_DEFER_SETUP 8
+#define RFCOMM_ENC_DROP 9
/* Scheduling flags and events */
-#define RFCOMM_SCHED_STATE 0
-#define RFCOMM_SCHED_RX 1
-#define RFCOMM_SCHED_TX 2
-#define RFCOMM_SCHED_TIMEO 3
-#define RFCOMM_SCHED_AUTH 4
#define RFCOMM_SCHED_WAKEUP 31
/* MSC exchange flags */
@@ -226,20 +228,24 @@ struct rfcomm_dlc {
/* ---- RFCOMM SEND RPN ---- */
int rfcomm_send_rpn(struct rfcomm_session *s, int cr, u8 dlci,
u8 bit_rate, u8 data_bits, u8 stop_bits,
- u8 parity, u8 flow_ctrl_settings,
+ u8 parity, u8 flow_ctrl_settings,
u8 xon_char, u8 xoff_char, u16 param_mask);
/* ---- RFCOMM DLCs (channels) ---- */
struct rfcomm_dlc *rfcomm_dlc_alloc(gfp_t prio);
void rfcomm_dlc_free(struct rfcomm_dlc *d);
-int rfcomm_dlc_open(struct rfcomm_dlc *d, bdaddr_t *src, bdaddr_t *dst, u8 channel);
+int rfcomm_dlc_open(struct rfcomm_dlc *d, bdaddr_t *src, bdaddr_t *dst,
+ u8 channel);
int rfcomm_dlc_close(struct rfcomm_dlc *d, int reason);
int rfcomm_dlc_send(struct rfcomm_dlc *d, struct sk_buff *skb);
+void rfcomm_dlc_send_noerror(struct rfcomm_dlc *d, struct sk_buff *skb);
int rfcomm_dlc_set_modem_status(struct rfcomm_dlc *d, u8 v24_sig);
int rfcomm_dlc_get_modem_status(struct rfcomm_dlc *d, u8 *v24_sig);
+void rfcomm_dlc_accept(struct rfcomm_dlc *d);
+struct rfcomm_dlc *rfcomm_dlc_exists(bdaddr_t *src, bdaddr_t *dst, u8 channel);
-#define rfcomm_dlc_lock(d) spin_lock(&d->lock)
-#define rfcomm_dlc_unlock(d) spin_unlock(&d->lock)
+#define rfcomm_dlc_lock(d) mutex_lock(&d->lock)
+#define rfcomm_dlc_unlock(d) mutex_unlock(&d->lock)
static inline void rfcomm_dlc_hold(struct rfcomm_dlc *d)
{
@@ -252,8 +258,8 @@ static inline void rfcomm_dlc_put(struct rfcomm_dlc *d)
rfcomm_dlc_free(d);
}
-extern void __rfcomm_dlc_throttle(struct rfcomm_dlc *d);
-extern void __rfcomm_dlc_unthrottle(struct rfcomm_dlc *d);
+void __rfcomm_dlc_throttle(struct rfcomm_dlc *d);
+void __rfcomm_dlc_unthrottle(struct rfcomm_dlc *d);
static inline void rfcomm_dlc_throttle(struct rfcomm_dlc *d)
{
@@ -268,12 +274,8 @@ static inline void rfcomm_dlc_unthrottle(struct rfcomm_dlc *d)
}
/* ---- RFCOMM sessions ---- */
-void rfcomm_session_getaddr(struct rfcomm_session *s, bdaddr_t *src, bdaddr_t *dst);
-
-static inline void rfcomm_session_hold(struct rfcomm_session *s)
-{
- atomic_inc(&s->refcnt);
-}
+void rfcomm_session_getaddr(struct rfcomm_session *s, bdaddr_t *src,
+ bdaddr_t *dst);
/* ---- RFCOMM sockets ---- */
struct sockaddr_rc {
@@ -295,20 +297,25 @@ struct rfcomm_conninfo {
#define RFCOMM_LM_TRUSTED 0x0008
#define RFCOMM_LM_RELIABLE 0x0010
#define RFCOMM_LM_SECURE 0x0020
+#define RFCOMM_LM_FIPS 0x0040
#define rfcomm_pi(sk) ((struct rfcomm_pinfo *) sk)
struct rfcomm_pinfo {
struct bt_sock bt;
+ bdaddr_t src;
+ bdaddr_t dst;
struct rfcomm_dlc *dlc;
u8 channel;
- u32 link_mode;
+ u8 sec_level;
+ u8 role_switch;
};
int rfcomm_init_sockets(void);
void rfcomm_cleanup_sockets(void);
-int rfcomm_connect_ind(struct rfcomm_session *s, u8 channel, struct rfcomm_dlc **d);
+int rfcomm_connect_ind(struct rfcomm_session *s, u8 channel,
+ struct rfcomm_dlc **d);
/* ---- RFCOMM TTY ---- */
#define RFCOMM_MAX_DEV 256
@@ -319,11 +326,16 @@ int rfcomm_connect_ind(struct rfcomm_session *s, u8 channel, struct rfcomm_dlc
#define RFCOMMGETDEVINFO _IOR('R', 211, int)
#define RFCOMMSTEALDLC _IOW('R', 220, int)
+/* rfcomm_dev.flags bit definitions */
#define RFCOMM_REUSE_DLC 0
#define RFCOMM_RELEASE_ONHUP 1
#define RFCOMM_HANGUP_NOW 2
#define RFCOMM_TTY_ATTACHED 3
-#define RFCOMM_TTY_RELEASED 4
+#define RFCOMM_DEFUNCT_BIT4 4 /* don't reuse this bit - userspace visible */
+
+/* rfcomm_dev.status bit definitions */
+#define RFCOMM_DEV_RELEASED 0
+#define RFCOMM_TTY_OWNED 1
struct rfcomm_dev_req {
s16 dev_id;
@@ -331,7 +343,6 @@ struct rfcomm_dev_req {
bdaddr_t src;
bdaddr_t dst;
u8 channel;
-
};
struct rfcomm_dev_info {
@@ -349,7 +360,17 @@ struct rfcomm_dev_list_req {
};
int rfcomm_dev_ioctl(struct sock *sk, unsigned int cmd, void __user *arg);
+
+#ifdef CONFIG_BT_RFCOMM_TTY
int rfcomm_init_ttys(void);
void rfcomm_cleanup_ttys(void);
-
+#else
+static inline int rfcomm_init_ttys(void)
+{
+ return 0;
+}
+static inline void rfcomm_cleanup_ttys(void)
+{
+}
+#endif
#endif /* __RFCOMM_H */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-10 07:22:30 +0000