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Diffstat (limited to 'include/compat/net/bluetooth/l2cap.h')
| -rwxr-xr-x | include/compat/net/bluetooth/l2cap.h | 814 |
1 files changed, 0 insertions, 814 deletions
diff --git a/include/compat/net/bluetooth/l2cap.h b/include/compat/net/bluetooth/l2cap.h deleted file mode 100755 index 875021a..0000000 --- a/include/compat/net/bluetooth/l2cap.h +++ /dev/null @@ -1,814 +0,0 @@ -/* - BlueZ - Bluetooth protocol stack for Linux - Copyright (C) 2000-2001 Qualcomm Incorporated - Copyright (C) 2009-2010 Gustavo F. Padovan <gustavo@padovan.org> - Copyright (C) 2010 Google Inc. - - Written 2000,2001 by Maxim Krasnyansky <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. -*/ - -#ifndef __L2CAP_H -#define __L2CAP_H - -#include <asm/unaligned.h> - -/* L2CAP defaults */ -#define L2CAP_DEFAULT_MTU 672 -#define L2CAP_DEFAULT_MIN_MTU 48 -#define L2CAP_DEFAULT_FLUSH_TO 0xffff -#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_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_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 */ - -/* L2CAP socket address */ -struct sockaddr_l2 { - sa_family_t l2_family; - __le16 l2_psm; - bdaddr_t l2_bdaddr; - __le16 l2_cid; -}; - -/* L2CAP socket options */ -#define L2CAP_OPTIONS 0x01 -struct l2cap_options { - __u16 omtu; - __u16 imtu; - __u16 flush_to; - __u8 mode; - __u8 fcs; - __u8 max_tx; - __u16 txwin_size; -}; - -#define L2CAP_CONNINFO 0x02 -struct l2cap_conninfo { - __u16 hci_handle; - __u8 dev_class[3]; -}; - -#define L2CAP_LM 0x03 -#define L2CAP_LM_MASTER 0x0001 -#define L2CAP_LM_AUTH 0x0002 -#define L2CAP_LM_ENCRYPT 0x0004 -#define L2CAP_LM_TRUSTED 0x0008 -#define L2CAP_LM_RELIABLE 0x0010 -#define L2CAP_LM_SECURE 0x0020 - -/* L2CAP command codes */ -#define L2CAP_COMMAND_REJ 0x01 -#define L2CAP_CONN_REQ 0x02 -#define L2CAP_CONN_RSP 0x03 -#define L2CAP_CONF_REQ 0x04 -#define L2CAP_CONF_RSP 0x05 -#define L2CAP_DISCONN_REQ 0x06 -#define L2CAP_DISCONN_RSP 0x07 -#define L2CAP_ECHO_REQ 0x08 -#define L2CAP_ECHO_RSP 0x09 -#define L2CAP_INFO_REQ 0x0a -#define L2CAP_INFO_RSP 0x0b -#define L2CAP_CREATE_CHAN_REQ 0x0c -#define L2CAP_CREATE_CHAN_RSP 0x0d -#define L2CAP_MOVE_CHAN_REQ 0x0e -#define L2CAP_MOVE_CHAN_RSP 0x0f -#define L2CAP_MOVE_CHAN_CFM 0x10 -#define L2CAP_MOVE_CHAN_CFM_RSP 0x11 -#define L2CAP_CONN_PARAM_UPDATE_REQ 0x12 -#define L2CAP_CONN_PARAM_UPDATE_RSP 0x13 - -/* L2CAP extended feature mask */ -#define L2CAP_FEAT_FLOWCTL 0x00000001 -#define L2CAP_FEAT_RETRANS 0x00000002 -#define L2CAP_FEAT_BIDIR_QOS 0x00000004 -#define L2CAP_FEAT_ERTM 0x00000008 -#define L2CAP_FEAT_STREAMING 0x00000010 -#define L2CAP_FEAT_FCS 0x00000020 -#define L2CAP_FEAT_EXT_FLOW 0x00000040 -#define L2CAP_FEAT_FIXED_CHAN 0x00000080 -#define L2CAP_FEAT_EXT_WINDOW 0x00000100 -#define L2CAP_FEAT_UCD 0x00000200 - -/* L2CAP checksum option */ -#define L2CAP_FCS_NONE 0x00 -#define L2CAP_FCS_CRC16 0x01 - -/* L2CAP fixed channels */ -#define L2CAP_FC_L2CAP 0x02 -#define L2CAP_FC_A2MP 0x08 - -/* L2CAP Control Field bit masks */ -#define L2CAP_CTRL_SAR 0xC000 -#define L2CAP_CTRL_REQSEQ 0x3F00 -#define L2CAP_CTRL_TXSEQ 0x007E -#define L2CAP_CTRL_SUPERVISE 0x000C - -#define L2CAP_CTRL_RETRANS 0x0080 -#define L2CAP_CTRL_FINAL 0x0080 -#define L2CAP_CTRL_POLL 0x0010 -#define L2CAP_CTRL_FRAME_TYPE 0x0001 /* I- or S-Frame */ - -#define L2CAP_CTRL_TXSEQ_SHIFT 1 -#define L2CAP_CTRL_SUPER_SHIFT 2 -#define L2CAP_CTRL_REQSEQ_SHIFT 8 -#define L2CAP_CTRL_SAR_SHIFT 14 - -/* L2CAP Extended Control Field bit mask */ -#define L2CAP_EXT_CTRL_TXSEQ 0xFFFC0000 -#define L2CAP_EXT_CTRL_SAR 0x00030000 -#define L2CAP_EXT_CTRL_SUPERVISE 0x00030000 -#define L2CAP_EXT_CTRL_REQSEQ 0x0000FFFC - -#define L2CAP_EXT_CTRL_POLL 0x00040000 -#define L2CAP_EXT_CTRL_FINAL 0x00000002 -#define L2CAP_EXT_CTRL_FRAME_TYPE 0x00000001 /* I- or S-Frame */ - -#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_TXSEQ_SHIFT 18 - -/* L2CAP Supervisory Function */ -#define L2CAP_SUPER_RR 0x00 -#define L2CAP_SUPER_REJ 0x01 -#define L2CAP_SUPER_RNR 0x02 -#define L2CAP_SUPER_SREJ 0x03 - -/* L2CAP Segmentation and Reassembly */ -#define L2CAP_SAR_UNSEGMENTED 0x00 -#define L2CAP_SAR_START 0x01 -#define L2CAP_SAR_END 0x02 -#define L2CAP_SAR_CONTINUE 0x03 - -/* L2CAP Command rej. reasons */ -#define L2CAP_REJ_NOT_UNDERSTOOD 0x0000 -#define L2CAP_REJ_MTU_EXCEEDED 0x0001 -#define L2CAP_REJ_INVALID_CID 0x0002 - -/* L2CAP structures */ -struct l2cap_hdr { - __le16 len; - __le16 cid; -} __packed; -#define L2CAP_HDR_SIZE 4 -#define L2CAP_ENH_HDR_SIZE 6 -#define L2CAP_EXT_HDR_SIZE 8 - -#define L2CAP_FCS_SIZE 2 -#define L2CAP_SDULEN_SIZE 2 -#define L2CAP_PSMLEN_SIZE 2 - -struct l2cap_cmd_hdr { - __u8 code; - __u8 ident; - __le16 len; -} __packed; -#define L2CAP_CMD_HDR_SIZE 4 - -struct l2cap_cmd_rej_unk { - __le16 reason; -} __packed; - -struct l2cap_cmd_rej_mtu { - __le16 reason; - __le16 max_mtu; -} __packed; - -struct l2cap_cmd_rej_cid { - __le16 reason; - __le16 scid; - __le16 dcid; -} __packed; - -struct l2cap_conn_req { - __le16 psm; - __le16 scid; -} __packed; - -struct l2cap_conn_rsp { - __le16 dcid; - __le16 scid; - __le16 result; - __le16 status; -} __packed; - -/* channel indentifier */ -#define L2CAP_CID_SIGNALING 0x0001 -#define L2CAP_CID_CONN_LESS 0x0002 -#define L2CAP_CID_LE_DATA 0x0004 -#define L2CAP_CID_LE_SIGNALING 0x0005 -#define L2CAP_CID_SMP 0x0006 -#define L2CAP_CID_DYN_START 0x0040 -#define L2CAP_CID_DYN_END 0xffff - -/* connect/create channel results */ -#define L2CAP_CR_SUCCESS 0x0000 -#define L2CAP_CR_PEND 0x0001 -#define L2CAP_CR_BAD_PSM 0x0002 -#define L2CAP_CR_SEC_BLOCK 0x0003 -#define L2CAP_CR_NO_MEM 0x0004 -#define L2CAP_CR_BAD_AMP 0x0005 - -/* connect/create channel status */ -#define L2CAP_CS_NO_INFO 0x0000 -#define L2CAP_CS_AUTHEN_PEND 0x0001 -#define L2CAP_CS_AUTHOR_PEND 0x0002 - -struct l2cap_conf_req { - __le16 dcid; - __le16 flags; - __u8 data[0]; -} __packed; - -struct l2cap_conf_rsp { - __le16 scid; - __le16 flags; - __le16 result; - __u8 data[0]; -} __packed; - -#define L2CAP_CONF_SUCCESS 0x0000 -#define L2CAP_CONF_UNACCEPT 0x0001 -#define L2CAP_CONF_REJECT 0x0002 -#define L2CAP_CONF_UNKNOWN 0x0003 -#define L2CAP_CONF_PENDING 0x0004 -#define L2CAP_CONF_EFS_REJECT 0x0005 - -struct l2cap_conf_opt { - __u8 type; - __u8 len; - __u8 val[0]; -} __packed; -#define L2CAP_CONF_OPT_SIZE 2 - -#define L2CAP_CONF_HINT 0x80 -#define L2CAP_CONF_MASK 0x7f - -#define L2CAP_CONF_MTU 0x01 -#define L2CAP_CONF_FLUSH_TO 0x02 -#define L2CAP_CONF_QOS 0x03 -#define L2CAP_CONF_RFC 0x04 -#define L2CAP_CONF_FCS 0x05 -#define L2CAP_CONF_EFS 0x06 -#define L2CAP_CONF_EWS 0x07 - -#define L2CAP_CONF_MAX_SIZE 22 - -struct l2cap_conf_rfc { - __u8 mode; - __u8 txwin_size; - __u8 max_transmit; - __le16 retrans_timeout; - __le16 monitor_timeout; - __le16 max_pdu_size; -} __packed; - -#define L2CAP_MODE_BASIC 0x00 -#define L2CAP_MODE_RETRANS 0x01 -#define L2CAP_MODE_FLOWCTL 0x02 -#define L2CAP_MODE_ERTM 0x03 -#define L2CAP_MODE_STREAMING 0x04 - -struct l2cap_conf_efs { - __u8 id; - __u8 stype; - __le16 msdu; - __le32 sdu_itime; - __le32 acc_lat; - __le32 flush_to; -} __packed; - -#define L2CAP_SERV_NOTRAFIC 0x00 -#define L2CAP_SERV_BESTEFFORT 0x01 -#define L2CAP_SERV_GUARANTEED 0x02 - -#define L2CAP_BESTEFFORT_ID 0x01 - -struct l2cap_disconn_req { - __le16 dcid; - __le16 scid; -} __packed; - -struct l2cap_disconn_rsp { - __le16 dcid; - __le16 scid; -} __packed; - -struct l2cap_info_req { - __le16 type; -} __packed; - -struct l2cap_info_rsp { - __le16 type; - __le16 result; - __u8 data[0]; -} __packed; - -struct l2cap_create_chan_req { - __le16 psm; - __le16 scid; - __u8 amp_id; -} __packed; - -struct l2cap_create_chan_rsp { - __le16 dcid; - __le16 scid; - __le16 result; - __le16 status; -} __packed; - -struct l2cap_move_chan_req { - __le16 icid; - __u8 dest_amp_id; -} __packed; - -struct l2cap_move_chan_rsp { - __le16 icid; - __le16 result; -} __packed; - -#define L2CAP_MR_SUCCESS 0x0000 -#define L2CAP_MR_PEND 0x0001 -#define L2CAP_MR_BAD_ID 0x0002 -#define L2CAP_MR_SAME_ID 0x0003 -#define L2CAP_MR_NOT_SUPP 0x0004 -#define L2CAP_MR_COLLISION 0x0005 -#define L2CAP_MR_NOT_ALLOWED 0x0006 - -struct l2cap_move_chan_cfm { - __le16 icid; - __le16 result; -} __packed; - -#define L2CAP_MC_CONFIRMED 0x0000 -#define L2CAP_MC_UNCONFIRMED 0x0001 - -struct l2cap_move_chan_cfm_rsp { - __le16 icid; -} __packed; - -/* info type */ -#define L2CAP_IT_CL_MTU 0x0001 -#define L2CAP_IT_FEAT_MASK 0x0002 -#define L2CAP_IT_FIXED_CHAN 0x0003 - -/* info result */ -#define L2CAP_IR_SUCCESS 0x0000 -#define L2CAP_IR_NOTSUPP 0x0001 - -struct l2cap_conn_param_update_req { - __le16 min; - __le16 max; - __le16 latency; - __le16 to_multiplier; -} __packed; - -struct l2cap_conn_param_update_rsp { - __le16 result; -} __packed; - -/* Connection Parameters result */ -#define L2CAP_CONN_PARAM_ACCEPTED 0x0000 -#define L2CAP_CONN_PARAM_REJECTED 0x0001 - -/* ----- L2CAP channels and connections ----- */ -struct srej_list { - __u16 tx_seq; - struct list_head list; -}; - -struct l2cap_chan { - struct sock *sk; - - struct l2cap_conn *conn; - - __u8 state; - - atomic_t refcnt; - - __le16 psm; - __u16 dcid; - __u16 scid; - - __u16 imtu; - __u16 omtu; - __u16 flush_to; - __u8 mode; - __u8 chan_type; - __u8 chan_policy; - - __le16 sport; - - __u8 sec_level; - - __u8 ident; - - __u8 conf_req[64]; - __u8 conf_len; - __u8 num_conf_req; - __u8 num_conf_rsp; - - __u8 fcs; - - __u16 tx_win; - __u16 tx_win_max; - __u8 max_tx; - __u16 retrans_timeout; - __u16 monitor_timeout; - __u16 mps; - - unsigned long conf_state; - unsigned long conn_state; - unsigned long flags; - - __u16 next_tx_seq; - __u16 expected_ack_seq; - __u16 expected_tx_seq; - __u16 buffer_seq; - __u16 buffer_seq_srej; - __u16 srej_save_reqseq; - __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; - - __u16 remote_tx_win; - __u8 remote_max_tx; - __u16 remote_mps; - - __u8 local_id; - __u8 local_stype; - __u16 local_msdu; - __u32 local_sdu_itime; - __u32 local_acc_lat; - __u32 local_flush_to; - - __u8 remote_id; - __u8 remote_stype; - __u16 remote_msdu; - __u32 remote_sdu_itime; - __u32 remote_acc_lat; - __u32 remote_flush_to; - - struct timer_list chan_timer; - struct timer_list retrans_timer; - struct timer_list monitor_timer; - struct timer_list ack_timer; - struct sk_buff *tx_send_head; - struct sk_buff_head tx_q; - struct sk_buff_head srej_q; - struct list_head srej_l; - - struct list_head list; - struct list_head global_l; - - void *data; - struct l2cap_ops *ops; -}; - -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); -}; - -struct l2cap_conn { - struct hci_conn *hcon; - struct hci_chan *hchan; - - bdaddr_t *dst; - bdaddr_t *src; - - unsigned int mtu; - - __u32 feat_mask; - - __u8 info_state; - __u8 info_ident; - - struct timer_list info_timer; - - spinlock_t lock; - - struct sk_buff *rx_skb; - __u32 rx_len; - __u8 tx_ident; - - __u8 disc_reason; - - struct timer_list security_timer; - struct smp_chan *smp_chan; - - struct list_head chan_l; - rwlock_t chan_lock; -}; - -#define L2CAP_INFO_CL_MTU_REQ_SENT 0x01 -#define L2CAP_INFO_FEAT_MASK_REQ_SENT 0x04 -#define L2CAP_INFO_FEAT_MASK_REQ_DONE 0x08 - -#define L2CAP_CHAN_RAW 1 -#define L2CAP_CHAN_CONN_LESS 2 -#define L2CAP_CHAN_CONN_ORIENTED 3 - -/* ----- L2CAP socket info ----- */ -#define l2cap_pi(sk) ((struct l2cap_pinfo *) sk) - -struct l2cap_pinfo { - struct bt_sock bt; - struct l2cap_chan *chan; - struct sk_buff *rx_busy_skb; -}; - -enum { - CONF_REQ_SENT, - CONF_INPUT_DONE, - CONF_OUTPUT_DONE, - CONF_MTU_DONE, - CONF_MODE_DONE, - CONF_CONNECT_PEND, - CONF_NO_FCS_RECV, - CONF_STATE2_DEVICE, - CONF_EWS_RECV, - CONF_LOC_CONF_PEND, - CONF_REM_CONF_PEND, -}; - -#define L2CAP_CONF_MAX_CONF_REQ 2 -#define L2CAP_CONF_MAX_CONF_RSP 2 - -enum { - CONN_SREJ_SENT, - CONN_WAIT_F, - CONN_SREJ_ACT, - CONN_SEND_PBIT, - CONN_REMOTE_BUSY, - CONN_LOCAL_BUSY, - CONN_REJ_ACT, - CONN_SEND_FBIT, - CONN_RNR_SENT, -}; - -/* Definitions for flags in l2cap_chan */ -enum { - FLAG_ROLE_SWITCH, - FLAG_FORCE_ACTIVE, - FLAG_FORCE_RELIABLE, - FLAG_FLUSHABLE, - FLAG_EXT_CTRL, - FLAG_EFS_ENABLE, -}; - -#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); -#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; -} - -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) -{ - 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; -} - -static inline bool __is_sar_start(struct l2cap_chan *chan, __u32 ctrl) -{ - return __get_ctrl_sar(chan, ctrl) == L2CAP_SAR_START; -} - -static inline __u32 __get_sar_mask(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) -{ - 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) -{ - 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) -{ - 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) -{ - 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; -} - -extern int disable_ertm; -extern int enable_hs; - -int l2cap_init_sockets(void); -void l2cap_cleanup_sockets(void); - -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); -void l2cap_chan_close(struct l2cap_chan *chan, int reason); -void l2cap_chan_destroy(struct l2cap_chan *chan); -int l2cap_chan_connect(struct l2cap_chan *chan); -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); - -#endif /* __L2CAP_H */ |