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path: root/include/net/bluetooth/l2cap.h
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Diffstat (limited to 'include/net/bluetooth/l2cap.h')
-rw-r--r--include/net/bluetooth/l2cap.h511
1 files changed, 282 insertions, 229 deletions
diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index 68f58915069..4abdcb220e3 100644
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h
@@ -32,24 +32,30 @@
/* L2CAP defaults */
#define L2CAP_DEFAULT_MTU 672
#define L2CAP_DEFAULT_MIN_MTU 48
-#define L2CAP_DEFAULT_FLUSH_TO 0xffff
+#define L2CAP_DEFAULT_FLUSH_TO 0xFFFF
+#define L2CAP_EFS_DEFAULT_FLUSH_TO 0xFFFFFFFF
#define L2CAP_DEFAULT_TX_WINDOW 63
#define L2CAP_DEFAULT_EXT_WINDOW 0x3FFF
#define L2CAP_DEFAULT_MAX_TX 3
#define L2CAP_DEFAULT_RETRANS_TO 2000 /* 2 seconds */
#define L2CAP_DEFAULT_MONITOR_TO 12000 /* 12 seconds */
-#define L2CAP_DEFAULT_MAX_PDU_SIZE 1009 /* Sized for 3-DH5 packet */
+#define L2CAP_DEFAULT_MAX_PDU_SIZE 1492 /* Sized for AMP packet */
#define L2CAP_DEFAULT_ACK_TO 200
-#define L2CAP_LE_DEFAULT_MTU 23
#define L2CAP_DEFAULT_MAX_SDU_SIZE 0xFFFF
#define L2CAP_DEFAULT_SDU_ITIME 0xFFFFFFFF
#define L2CAP_DEFAULT_ACC_LAT 0xFFFFFFFF
+#define L2CAP_BREDR_MAX_PAYLOAD 1019 /* 3-DH5 packet */
+#define L2CAP_LE_MIN_MTU 23
-#define L2CAP_DISC_TIMEOUT (100)
-#define L2CAP_DISC_REJ_TIMEOUT (5000) /* 5 seconds */
-#define L2CAP_ENC_TIMEOUT (5000) /* 5 seconds */
-#define L2CAP_CONN_TIMEOUT (40000) /* 40 seconds */
-#define L2CAP_INFO_TIMEOUT (4000) /* 4 seconds */
+#define L2CAP_DISC_TIMEOUT msecs_to_jiffies(100)
+#define L2CAP_DISC_REJ_TIMEOUT msecs_to_jiffies(5000)
+#define L2CAP_ENC_TIMEOUT msecs_to_jiffies(5000)
+#define L2CAP_CONN_TIMEOUT msecs_to_jiffies(40000)
+#define L2CAP_INFO_TIMEOUT msecs_to_jiffies(4000)
+#define L2CAP_MOVE_TIMEOUT msecs_to_jiffies(4000)
+#define L2CAP_MOVE_ERTX_TIMEOUT msecs_to_jiffies(60000)
+
+#define L2CAP_A2MP_DEFAULT_MTU 670
/* L2CAP socket address */
struct sockaddr_l2 {
@@ -57,6 +63,7 @@ struct sockaddr_l2 {
__le16 l2_psm;
bdaddr_t l2_bdaddr;
__le16 l2_cid;
+ __u8 l2_bdaddr_type;
};
/* L2CAP socket options */
@@ -84,6 +91,7 @@ struct l2cap_conninfo {
#define L2CAP_LM_TRUSTED 0x0008
#define L2CAP_LM_RELIABLE 0x0010
#define L2CAP_LM_SECURE 0x0020
+#define L2CAP_LM_FIPS 0x0040
/* L2CAP command codes */
#define L2CAP_COMMAND_REJ 0x01
@@ -105,6 +113,9 @@ struct l2cap_conninfo {
#define L2CAP_MOVE_CHAN_CFM_RSP 0x11
#define L2CAP_CONN_PARAM_UPDATE_REQ 0x12
#define L2CAP_CONN_PARAM_UPDATE_RSP 0x13
+#define L2CAP_LE_CONN_REQ 0x14
+#define L2CAP_LE_CONN_RSP 0x15
+#define L2CAP_LE_CREDITS 0x16
/* L2CAP extended feature mask */
#define L2CAP_FEAT_FLOWCTL 0x00000001
@@ -124,7 +135,9 @@ struct l2cap_conninfo {
/* L2CAP fixed channels */
#define L2CAP_FC_L2CAP 0x02
+#define L2CAP_FC_CONNLESS 0x04
#define L2CAP_FC_A2MP 0x08
+#define L2CAP_FC_6LOWPAN 0x3e /* reserved and temporary value */
/* L2CAP Control Field bit masks */
#define L2CAP_CTRL_SAR 0xC000
@@ -139,6 +152,8 @@ struct l2cap_conninfo {
#define L2CAP_CTRL_TXSEQ_SHIFT 1
#define L2CAP_CTRL_SUPER_SHIFT 2
+#define L2CAP_CTRL_POLL_SHIFT 4
+#define L2CAP_CTRL_FINAL_SHIFT 7
#define L2CAP_CTRL_REQSEQ_SHIFT 8
#define L2CAP_CTRL_SAR_SHIFT 14
@@ -152,9 +167,11 @@ struct l2cap_conninfo {
#define L2CAP_EXT_CTRL_FINAL 0x00000002
#define L2CAP_EXT_CTRL_FRAME_TYPE 0x00000001 /* I- or S-Frame */
+#define L2CAP_EXT_CTRL_FINAL_SHIFT 1
#define L2CAP_EXT_CTRL_REQSEQ_SHIFT 2
#define L2CAP_EXT_CTRL_SAR_SHIFT 16
#define L2CAP_EXT_CTRL_SUPER_SHIFT 16
+#define L2CAP_EXT_CTRL_POLL_SHIFT 18
#define L2CAP_EXT_CTRL_TXSEQ_SHIFT 18
/* L2CAP Supervisory Function */
@@ -186,6 +203,8 @@ struct l2cap_hdr {
#define L2CAP_FCS_SIZE 2
#define L2CAP_SDULEN_SIZE 2
#define L2CAP_PSMLEN_SIZE 2
+#define L2CAP_ENH_CTRL_SIZE 2
+#define L2CAP_EXT_CTRL_SIZE 4
struct l2cap_cmd_hdr {
__u8 code;
@@ -221,14 +240,21 @@ struct l2cap_conn_rsp {
__le16 status;
} __packed;
-/* channel indentifier */
+/* protocol/service multiplexer (PSM) */
+#define L2CAP_PSM_SDP 0x0001
+#define L2CAP_PSM_RFCOMM 0x0003
+#define L2CAP_PSM_3DSP 0x0021
+
+/* channel identifier */
#define L2CAP_CID_SIGNALING 0x0001
#define L2CAP_CID_CONN_LESS 0x0002
-#define L2CAP_CID_LE_DATA 0x0004
+#define L2CAP_CID_A2MP 0x0003
+#define L2CAP_CID_ATT 0x0004
#define L2CAP_CID_LE_SIGNALING 0x0005
#define L2CAP_CID_SMP 0x0006
#define L2CAP_CID_DYN_START 0x0040
#define L2CAP_CID_DYN_END 0xffff
+#define L2CAP_CID_LE_DYN_END 0x007f
/* connect/create channel results */
#define L2CAP_CR_SUCCESS 0x0000
@@ -237,6 +263,10 @@ struct l2cap_conn_rsp {
#define L2CAP_CR_SEC_BLOCK 0x0003
#define L2CAP_CR_NO_MEM 0x0004
#define L2CAP_CR_BAD_AMP 0x0005
+#define L2CAP_CR_AUTHENTICATION 0x0005
+#define L2CAP_CR_AUTHORIZATION 0x0006
+#define L2CAP_CR_BAD_KEY_SIZE 0x0007
+#define L2CAP_CR_ENCRYPTION 0x0008
/* connect/create channel status */
#define L2CAP_CS_NO_INFO 0x0000
@@ -263,6 +293,9 @@ struct l2cap_conf_rsp {
#define L2CAP_CONF_PENDING 0x0004
#define L2CAP_CONF_EFS_REJECT 0x0005
+/* configuration req/rsp continuation flag */
+#define L2CAP_CONF_FLAG_CONTINUATION 0x0001
+
struct l2cap_conf_opt {
__u8 type;
__u8 len;
@@ -298,6 +331,12 @@ struct l2cap_conf_rfc {
#define L2CAP_MODE_ERTM 0x03
#define L2CAP_MODE_STREAMING 0x04
+/* Unlike the above this one doesn't actually map to anything that would
+ * ever be sent over the air. Therefore, use a value that's unlikely to
+ * ever be used in the BR/EDR configuration phase.
+ */
+#define L2CAP_MODE_LE_FLOWCTL 0x80
+
struct l2cap_conf_efs {
__u8 id;
__u8 stype;
@@ -400,22 +439,55 @@ struct l2cap_conn_param_update_rsp {
#define L2CAP_CONN_PARAM_ACCEPTED 0x0000
#define L2CAP_CONN_PARAM_REJECTED 0x0001
+#define L2CAP_LE_MAX_CREDITS 10
+#define L2CAP_LE_DEFAULT_MPS 230
+
+struct l2cap_le_conn_req {
+ __le16 psm;
+ __le16 scid;
+ __le16 mtu;
+ __le16 mps;
+ __le16 credits;
+} __packed;
+
+struct l2cap_le_conn_rsp {
+ __le16 dcid;
+ __le16 mtu;
+ __le16 mps;
+ __le16 credits;
+ __le16 result;
+} __packed;
+
+struct l2cap_le_credits {
+ __le16 cid;
+ __le16 credits;
+} __packed;
+
/* ----- L2CAP channels and connections ----- */
-struct srej_list {
- __u16 tx_seq;
- struct list_head list;
+struct l2cap_seq_list {
+ __u16 head;
+ __u16 tail;
+ __u16 mask;
+ __u16 *list;
};
-struct l2cap_chan {
- struct sock *sk;
+#define L2CAP_SEQ_LIST_CLEAR 0xFFFF
+#define L2CAP_SEQ_LIST_TAIL 0x8000
+struct l2cap_chan {
struct l2cap_conn *conn;
+ struct hci_conn *hs_hcon;
+ struct hci_chan *hs_hchan;
+ struct kref kref;
__u8 state;
- atomic_t refcnt;
-
+ bdaddr_t dst;
+ __u8 dst_type;
+ bdaddr_t src;
+ __u8 src_type;
__le16 psm;
+ __le16 sport;
__u16 dcid;
__u16 scid;
@@ -426,8 +498,6 @@ struct l2cap_chan {
__u8 chan_type;
__u8 chan_policy;
- __le16 sport;
-
__u8 sec_level;
__u8 ident;
@@ -441,25 +511,37 @@ struct l2cap_chan {
__u16 tx_win;
__u16 tx_win_max;
+ __u16 ack_win;
__u8 max_tx;
__u16 retrans_timeout;
__u16 monitor_timeout;
__u16 mps;
+ __u16 tx_credits;
+ __u16 rx_credits;
+
+ __u8 tx_state;
+ __u8 rx_state;
+
unsigned long conf_state;
unsigned long conn_state;
unsigned long flags;
+ __u8 remote_amp_id;
+ __u8 local_amp_id;
+ __u8 move_id;
+ __u8 move_state;
+ __u8 move_role;
+
__u16 next_tx_seq;
__u16 expected_ack_seq;
__u16 expected_tx_seq;
__u16 buffer_seq;
- __u16 buffer_seq_srej;
__u16 srej_save_reqseq;
+ __u16 last_acked_seq;
__u16 frames_sent;
__u16 unacked_frames;
__u8 retry_count;
- __u8 num_acked;
__u16 sdu_len;
struct sk_buff *sdu;
struct sk_buff *sdu_last_frag;
@@ -490,53 +572,76 @@ struct l2cap_chan {
struct sk_buff *tx_send_head;
struct sk_buff_head tx_q;
struct sk_buff_head srej_q;
- struct list_head srej_l;
+ struct l2cap_seq_list srej_list;
+ struct l2cap_seq_list retrans_list;
- struct list_head list;
- struct list_head global_l;
+ struct list_head list;
+ struct list_head global_l;
- void *data;
- struct l2cap_ops *ops;
+ void *data;
+ struct l2cap_ops *ops;
+ struct mutex lock;
};
struct l2cap_ops {
- char *name;
-
- struct l2cap_chan *(*new_connection) (void *data);
- int (*recv) (void *data, struct sk_buff *skb);
- void (*close) (void *data);
- void (*state_change) (void *data, int state);
+ char *name;
+
+ struct l2cap_chan *(*new_connection) (struct l2cap_chan *chan);
+ int (*recv) (struct l2cap_chan * chan,
+ struct sk_buff *skb);
+ void (*teardown) (struct l2cap_chan *chan, int err);
+ void (*close) (struct l2cap_chan *chan);
+ void (*state_change) (struct l2cap_chan *chan,
+ int state, int err);
+ void (*ready) (struct l2cap_chan *chan);
+ void (*defer) (struct l2cap_chan *chan);
+ void (*resume) (struct l2cap_chan *chan);
+ void (*suspend) (struct l2cap_chan *chan);
+ void (*set_shutdown) (struct l2cap_chan *chan);
+ long (*get_sndtimeo) (struct l2cap_chan *chan);
+ struct sk_buff *(*alloc_skb) (struct l2cap_chan *chan,
+ unsigned long len, int nb);
};
struct l2cap_conn {
- struct hci_conn *hcon;
- struct hci_chan *hchan;
+ struct hci_conn *hcon;
+ struct hci_chan *hchan;
+
+ unsigned int mtu;
- bdaddr_t *dst;
- bdaddr_t *src;
+ __u32 feat_mask;
+ __u8 fixed_chan_mask;
+ bool hs_enabled;
- unsigned int mtu;
+ __u8 info_state;
+ __u8 info_ident;
- __u32 feat_mask;
+ struct delayed_work info_timer;
- __u8 info_state;
- __u8 info_ident;
+ spinlock_t lock;
- struct delayed_work info_timer;
+ struct sk_buff *rx_skb;
+ __u32 rx_len;
+ __u8 tx_ident;
- spinlock_t lock;
+ struct sk_buff_head pending_rx;
+ struct work_struct pending_rx_work;
- struct sk_buff *rx_skb;
- __u32 rx_len;
- __u8 tx_ident;
+ __u8 disc_reason;
- __u8 disc_reason;
+ struct delayed_work security_timer;
+ struct smp_chan *smp_chan;
- struct delayed_work security_timer;
- struct smp_chan *smp_chan;
+ struct list_head chan_l;
+ struct mutex chan_lock;
+ struct kref ref;
+ struct list_head users;
+};
- struct list_head chan_l;
- struct mutex chan_lock;
+struct l2cap_user {
+ struct list_head list;
+ int (*probe) (struct l2cap_conn *conn, struct l2cap_user *user);
+ void (*remove) (struct l2cap_conn *conn, struct l2cap_user *user);
};
#define L2CAP_INFO_CL_MTU_REQ_SENT 0x01
@@ -546,14 +651,15 @@ struct l2cap_conn {
#define L2CAP_CHAN_RAW 1
#define L2CAP_CHAN_CONN_LESS 2
#define L2CAP_CHAN_CONN_ORIENTED 3
+#define L2CAP_CHAN_FIXED 4
/* ----- L2CAP socket info ----- */
#define l2cap_pi(sk) ((struct l2cap_pinfo *) sk)
struct l2cap_pinfo {
- struct bt_sock bt;
+ struct bt_sock bt;
struct l2cap_chan *chan;
- struct sk_buff *rx_busy_skb;
+ struct sk_buff *rx_busy_skb;
};
enum {
@@ -563,11 +669,12 @@ enum {
CONF_MTU_DONE,
CONF_MODE_DONE,
CONF_CONNECT_PEND,
- CONF_NO_FCS_RECV,
+ CONF_RECV_NO_FCS,
CONF_STATE2_DEVICE,
CONF_EWS_RECV,
CONF_LOC_CONF_PEND,
CONF_REM_CONF_PEND,
+ CONF_NOT_COMPLETE,
};
#define L2CAP_CONF_MAX_CONF_REQ 2
@@ -593,57 +700,125 @@ enum {
FLAG_FLUSHABLE,
FLAG_EXT_CTRL,
FLAG_EFS_ENABLE,
+ FLAG_DEFER_SETUP,
+ FLAG_LE_CONN_REQ_SENT,
+};
+
+enum {
+ L2CAP_TX_STATE_XMIT,
+ L2CAP_TX_STATE_WAIT_F,
+};
+
+enum {
+ L2CAP_RX_STATE_RECV,
+ L2CAP_RX_STATE_SREJ_SENT,
+ L2CAP_RX_STATE_MOVE,
+ L2CAP_RX_STATE_WAIT_P,
+ L2CAP_RX_STATE_WAIT_F,
};
-static inline void l2cap_chan_hold(struct l2cap_chan *c)
+enum {
+ L2CAP_TXSEQ_EXPECTED,
+ L2CAP_TXSEQ_EXPECTED_SREJ,
+ L2CAP_TXSEQ_UNEXPECTED,
+ L2CAP_TXSEQ_UNEXPECTED_SREJ,
+ L2CAP_TXSEQ_DUPLICATE,
+ L2CAP_TXSEQ_DUPLICATE_SREJ,
+ L2CAP_TXSEQ_INVALID,
+ L2CAP_TXSEQ_INVALID_IGNORE,
+};
+
+enum {
+ L2CAP_EV_DATA_REQUEST,
+ L2CAP_EV_LOCAL_BUSY_DETECTED,
+ L2CAP_EV_LOCAL_BUSY_CLEAR,
+ L2CAP_EV_RECV_REQSEQ_AND_FBIT,
+ L2CAP_EV_RECV_FBIT,
+ L2CAP_EV_RETRANS_TO,
+ L2CAP_EV_MONITOR_TO,
+ L2CAP_EV_EXPLICIT_POLL,
+ L2CAP_EV_RECV_IFRAME,
+ L2CAP_EV_RECV_RR,
+ L2CAP_EV_RECV_REJ,
+ L2CAP_EV_RECV_RNR,
+ L2CAP_EV_RECV_SREJ,
+ L2CAP_EV_RECV_FRAME,
+};
+
+enum {
+ L2CAP_MOVE_ROLE_NONE,
+ L2CAP_MOVE_ROLE_INITIATOR,
+ L2CAP_MOVE_ROLE_RESPONDER,
+};
+
+enum {
+ L2CAP_MOVE_STABLE,
+ L2CAP_MOVE_WAIT_REQ,
+ L2CAP_MOVE_WAIT_RSP,
+ L2CAP_MOVE_WAIT_RSP_SUCCESS,
+ L2CAP_MOVE_WAIT_CONFIRM,
+ L2CAP_MOVE_WAIT_CONFIRM_RSP,
+ L2CAP_MOVE_WAIT_LOGICAL_COMP,
+ L2CAP_MOVE_WAIT_LOGICAL_CFM,
+ L2CAP_MOVE_WAIT_LOCAL_BUSY,
+ L2CAP_MOVE_WAIT_PREPARE,
+};
+
+void l2cap_chan_hold(struct l2cap_chan *c);
+void l2cap_chan_put(struct l2cap_chan *c);
+
+static inline void l2cap_chan_lock(struct l2cap_chan *chan)
{
- atomic_inc(&c->refcnt);
+ mutex_lock(&chan->lock);
}
-static inline void l2cap_chan_put(struct l2cap_chan *c)
+static inline void l2cap_chan_unlock(struct l2cap_chan *chan)
{
- if (atomic_dec_and_test(&c->refcnt))
- kfree(c);
+ mutex_unlock(&chan->lock);
}
static inline void l2cap_set_timer(struct l2cap_chan *chan,
- struct delayed_work *work, long timeout)
+ struct delayed_work *work, long timeout)
{
- BT_DBG("chan %p state %d timeout %ld", chan, chan->state, timeout);
+ BT_DBG("chan %p state %s timeout %ld", chan,
+ state_to_string(chan->state), timeout);
- if (!__cancel_delayed_work(work))
+ /* If delayed work cancelled do not hold(chan)
+ since it is already done with previous set_timer */
+ if (!cancel_delayed_work(work))
l2cap_chan_hold(chan);
+
schedule_delayed_work(work, timeout);
}
-static inline void l2cap_clear_timer(struct l2cap_chan *chan,
- struct delayed_work *work)
+static inline bool l2cap_clear_timer(struct l2cap_chan *chan,
+ struct delayed_work *work)
{
- if (__cancel_delayed_work(work))
+ bool ret;
+
+ /* put(chan) if delayed work cancelled otherwise it
+ is done in delayed work function */
+ ret = cancel_delayed_work(work);
+ if (ret)
l2cap_chan_put(chan);
+
+ return ret;
}
#define __set_chan_timer(c, t) l2cap_set_timer(c, &c->chan_timer, (t))
#define __clear_chan_timer(c) l2cap_clear_timer(c, &c->chan_timer)
-#define __set_retrans_timer(c) l2cap_set_timer(c, &c->retrans_timer, \
- L2CAP_DEFAULT_RETRANS_TO);
#define __clear_retrans_timer(c) l2cap_clear_timer(c, &c->retrans_timer)
-#define __set_monitor_timer(c) l2cap_set_timer(c, &c->monitor_timer, \
- L2CAP_DEFAULT_MONITOR_TO);
#define __clear_monitor_timer(c) l2cap_clear_timer(c, &c->monitor_timer)
#define __set_ack_timer(c) l2cap_set_timer(c, &chan->ack_timer, \
- L2CAP_DEFAULT_ACK_TO);
+ msecs_to_jiffies(L2CAP_DEFAULT_ACK_TO));
#define __clear_ack_timer(c) l2cap_clear_timer(c, &c->ack_timer)
static inline int __seq_offset(struct l2cap_chan *chan, __u16 seq1, __u16 seq2)
{
- int offset;
-
- offset = (seq1 - seq2) % (chan->tx_win_max + 1);
- if (offset < 0)
- offset += (chan->tx_win_max + 1);
-
- return offset;
+ if (seq1 >= seq2)
+ return seq1 - seq2;
+ else
+ return chan->tx_win_max + 1 - seq2 + seq1;
}
static inline __u16 __next_seq(struct l2cap_chan *chan, __u16 seq)
@@ -651,194 +826,72 @@ static inline __u16 __next_seq(struct l2cap_chan *chan, __u16 seq)
return (seq + 1) % (chan->tx_win_max + 1);
}
-static inline int l2cap_tx_window_full(struct l2cap_chan *ch)
-{
- int sub;
-
- sub = (ch->next_tx_seq - ch->expected_ack_seq) % 64;
-
- if (sub < 0)
- sub += 64;
-
- return sub == ch->remote_tx_win;
-}
-
-static inline __u16 __get_reqseq(struct l2cap_chan *chan, __u32 ctrl)
-{
- if (test_bit(FLAG_EXT_CTRL, &chan->flags))
- return (ctrl & L2CAP_EXT_CTRL_REQSEQ) >>
- L2CAP_EXT_CTRL_REQSEQ_SHIFT;
- else
- return (ctrl & L2CAP_CTRL_REQSEQ) >> L2CAP_CTRL_REQSEQ_SHIFT;
-}
-
-static inline __u32 __set_reqseq(struct l2cap_chan *chan, __u32 reqseq)
-{
- if (test_bit(FLAG_EXT_CTRL, &chan->flags))
- return (reqseq << L2CAP_EXT_CTRL_REQSEQ_SHIFT) &
- L2CAP_EXT_CTRL_REQSEQ;
- else
- return (reqseq << L2CAP_CTRL_REQSEQ_SHIFT) & L2CAP_CTRL_REQSEQ;
-}
-
-static inline __u16 __get_txseq(struct l2cap_chan *chan, __u32 ctrl)
-{
- if (test_bit(FLAG_EXT_CTRL, &chan->flags))
- return (ctrl & L2CAP_EXT_CTRL_TXSEQ) >>
- L2CAP_EXT_CTRL_TXSEQ_SHIFT;
- else
- return (ctrl & L2CAP_CTRL_TXSEQ) >> L2CAP_CTRL_TXSEQ_SHIFT;
-}
-
-static inline __u32 __set_txseq(struct l2cap_chan *chan, __u32 txseq)
-{
- if (test_bit(FLAG_EXT_CTRL, &chan->flags))
- return (txseq << L2CAP_EXT_CTRL_TXSEQ_SHIFT) &
- L2CAP_EXT_CTRL_TXSEQ;
- else
- return (txseq << L2CAP_CTRL_TXSEQ_SHIFT) & L2CAP_CTRL_TXSEQ;
-}
-
-static inline bool __is_sframe(struct l2cap_chan *chan, __u32 ctrl)
-{
- if (test_bit(FLAG_EXT_CTRL, &chan->flags))
- return ctrl & L2CAP_EXT_CTRL_FRAME_TYPE;
- else
- return ctrl & L2CAP_CTRL_FRAME_TYPE;
-}
-
-static inline __u32 __set_sframe(struct l2cap_chan *chan)
-{
- if (test_bit(FLAG_EXT_CTRL, &chan->flags))
- return L2CAP_EXT_CTRL_FRAME_TYPE;
- else
- return L2CAP_CTRL_FRAME_TYPE;
-}
-
-static inline __u8 __get_ctrl_sar(struct l2cap_chan *chan, __u32 ctrl)
-{
- if (test_bit(FLAG_EXT_CTRL, &chan->flags))
- return (ctrl & L2CAP_EXT_CTRL_SAR) >> L2CAP_EXT_CTRL_SAR_SHIFT;
- else
- return (ctrl & L2CAP_CTRL_SAR) >> L2CAP_CTRL_SAR_SHIFT;
-}
-
-static inline __u32 __set_ctrl_sar(struct l2cap_chan *chan, __u32 sar)
+static inline struct l2cap_chan *l2cap_chan_no_new_connection(struct l2cap_chan *chan)
{
- if (test_bit(FLAG_EXT_CTRL, &chan->flags))
- return (sar << L2CAP_EXT_CTRL_SAR_SHIFT) & L2CAP_EXT_CTRL_SAR;
- else
- return (sar << L2CAP_CTRL_SAR_SHIFT) & L2CAP_CTRL_SAR;
+ return NULL;
}
-static inline bool __is_sar_start(struct l2cap_chan *chan, __u32 ctrl)
+static inline void l2cap_chan_no_teardown(struct l2cap_chan *chan, int err)
{
- return __get_ctrl_sar(chan, ctrl) == L2CAP_SAR_START;
}
-static inline __u32 __get_sar_mask(struct l2cap_chan *chan)
+static inline void l2cap_chan_no_ready(struct l2cap_chan *chan)
{
- if (test_bit(FLAG_EXT_CTRL, &chan->flags))
- return L2CAP_EXT_CTRL_SAR;
- else
- return L2CAP_CTRL_SAR;
}
-static inline __u8 __get_ctrl_super(struct l2cap_chan *chan, __u32 ctrl)
+static inline void l2cap_chan_no_defer(struct l2cap_chan *chan)
{
- if (test_bit(FLAG_EXT_CTRL, &chan->flags))
- return (ctrl & L2CAP_EXT_CTRL_SUPERVISE) >>
- L2CAP_EXT_CTRL_SUPER_SHIFT;
- else
- return (ctrl & L2CAP_CTRL_SUPERVISE) >> L2CAP_CTRL_SUPER_SHIFT;
}
-static inline __u32 __set_ctrl_super(struct l2cap_chan *chan, __u32 super)
+static inline void l2cap_chan_no_resume(struct l2cap_chan *chan)
{
- if (test_bit(FLAG_EXT_CTRL, &chan->flags))
- return (super << L2CAP_EXT_CTRL_SUPER_SHIFT) &
- L2CAP_EXT_CTRL_SUPERVISE;
- else
- return (super << L2CAP_CTRL_SUPER_SHIFT) &
- L2CAP_CTRL_SUPERVISE;
}
-static inline __u32 __set_ctrl_final(struct l2cap_chan *chan)
+static inline void l2cap_chan_no_set_shutdown(struct l2cap_chan *chan)
{
- if (test_bit(FLAG_EXT_CTRL, &chan->flags))
- return L2CAP_EXT_CTRL_FINAL;
- else
- return L2CAP_CTRL_FINAL;
}
-static inline bool __is_ctrl_final(struct l2cap_chan *chan, __u32 ctrl)
+static inline long l2cap_chan_no_get_sndtimeo(struct l2cap_chan *chan)
{
- if (test_bit(FLAG_EXT_CTRL, &chan->flags))
- return ctrl & L2CAP_EXT_CTRL_FINAL;
- else
- return ctrl & L2CAP_CTRL_FINAL;
-}
-
-static inline __u32 __set_ctrl_poll(struct l2cap_chan *chan)
-{
- if (test_bit(FLAG_EXT_CTRL, &chan->flags))
- return L2CAP_EXT_CTRL_POLL;
- else
- return L2CAP_CTRL_POLL;
-}
-
-static inline bool __is_ctrl_poll(struct l2cap_chan *chan, __u32 ctrl)
-{
- if (test_bit(FLAG_EXT_CTRL, &chan->flags))
- return ctrl & L2CAP_EXT_CTRL_POLL;
- else
- return ctrl & L2CAP_CTRL_POLL;
-}
-
-static inline __u32 __get_control(struct l2cap_chan *chan, void *p)
-{
- if (test_bit(FLAG_EXT_CTRL, &chan->flags))
- return get_unaligned_le32(p);
- else
- return get_unaligned_le16(p);
-}
-
-static inline void __put_control(struct l2cap_chan *chan, __u32 control,
- void *p)
-{
- if (test_bit(FLAG_EXT_CTRL, &chan->flags))
- return put_unaligned_le32(control, p);
- else
- return put_unaligned_le16(control, p);
-}
-
-static inline __u8 __ctrl_size(struct l2cap_chan *chan)
-{
- if (test_bit(FLAG_EXT_CTRL, &chan->flags))
- return L2CAP_EXT_HDR_SIZE - L2CAP_HDR_SIZE;
- else
- return L2CAP_ENH_HDR_SIZE - L2CAP_HDR_SIZE;
+ return 0;
}
extern bool disable_ertm;
int l2cap_init_sockets(void);
void l2cap_cleanup_sockets(void);
+bool l2cap_is_socket(struct socket *sock);
+void __l2cap_le_connect_rsp_defer(struct l2cap_chan *chan);
void __l2cap_connect_rsp_defer(struct l2cap_chan *chan);
-int __l2cap_wait_ack(struct sock *sk);
int l2cap_add_psm(struct l2cap_chan *chan, bdaddr_t *src, __le16 psm);
int l2cap_add_scid(struct l2cap_chan *chan, __u16 scid);
-struct l2cap_chan *l2cap_chan_create(struct sock *sk);
+struct l2cap_chan *l2cap_chan_create(void);
void l2cap_chan_close(struct l2cap_chan *chan, int reason);
-void l2cap_chan_destroy(struct l2cap_chan *chan);
-inline int l2cap_chan_connect(struct l2cap_chan *chan, __le16 psm, u16 cid,
- bdaddr_t *dst);
+int l2cap_chan_connect(struct l2cap_chan *chan, __le16 psm, u16 cid,
+ bdaddr_t *dst, u8 dst_type);
int l2cap_chan_send(struct l2cap_chan *chan, struct msghdr *msg, size_t len,
u32 priority);
void l2cap_chan_busy(struct l2cap_chan *chan, int busy);
int l2cap_chan_check_security(struct l2cap_chan *chan);
+void l2cap_chan_set_defaults(struct l2cap_chan *chan);
+int l2cap_ertm_init(struct l2cap_chan *chan);
+void l2cap_chan_add(struct l2cap_conn *conn, struct l2cap_chan *chan);
+void __l2cap_chan_add(struct l2cap_conn *conn, struct l2cap_chan *chan);
+void l2cap_chan_del(struct l2cap_chan *chan, int err);
+void l2cap_conn_update_id_addr(struct hci_conn *hcon);
+void l2cap_send_conn_req(struct l2cap_chan *chan);
+void l2cap_move_start(struct l2cap_chan *chan);
+void l2cap_logical_cfm(struct l2cap_chan *chan, struct hci_chan *hchan,
+ u8 status);
+void __l2cap_physical_cfm(struct l2cap_chan *chan, int result);
+
+void l2cap_conn_get(struct l2cap_conn *conn);
+void l2cap_conn_put(struct l2cap_conn *conn);
+
+int l2cap_register_user(struct l2cap_conn *conn, struct l2cap_user *user);
+void l2cap_unregister_user(struct l2cap_conn *conn, struct l2cap_user *user);
#endif /* __L2CAP_H */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 12:05:40 +0000