| /* |
| BlueZ - Bluetooth protocol stack for Linux |
| Copyright (c) 2000-2001, 2010-2011 Code Aurora Forum. All rights reserved. |
| 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 |
| |
| /* L2CAP defaults */ |
| #define L2CAP_DEFAULT_MTU 672 |
| #define L2CAP_DEFAULT_MIN_MTU 48 |
| #define L2CAP_DEFAULT_MAX_SDU_SIZE 0xffff |
| #define L2CAP_DEFAULT_FLUSH_TO 0xffff |
| #define L2CAP_DEFAULT_TX_WINDOW 63 |
| #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 1482 /* Sized for AMP or BR/EDR */ |
| #define L2CAP_DEFAULT_ACK_TO 200 |
| #define L2CAP_BREDR_MAX_PAYLOAD 1019 /* 3-DH5 packet */ |
| #define L2CAP_MAX_ERTM_QUEUED 5 |
| #define L2CAP_MIN_ERTM_QUEUED 2 |
| |
| #define L2CAP_A2MP_DEFAULT_MTU 670 |
| |
| #define L2CAP_TX_WIN_MAX_ENHANCED 0x3f |
| #define L2CAP_TX_WIN_MAX_EXTENDED 0x3fff |
| #define L2CAP_LE_DEFAULT_MTU 23 |
| |
| #define L2CAP_CONN_TIMEOUT (40000) /* 40 seconds */ |
| #define L2CAP_INFO_TIMEOUT (4000) /* 4 seconds */ |
| #define L2CAP_MOVE_TIMEOUT (2*HZ) /* 2 seconds */ |
| #define L2CAP_MOVE_ERTX_TIMEOUT (60*HZ) /* 60 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 |
| #define L2CAP_LM_FLUSHABLE 0x0040 |
| |
| /* 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 feature mask */ |
| #define L2CAP_FEAT_FLOWCTL 0x00000001 |
| #define L2CAP_FEAT_RETRANS 0x00000002 |
| #define L2CAP_FEAT_ERTM 0x00000008 |
| #define L2CAP_FEAT_STREAMING 0x00000010 |
| #define L2CAP_FEAT_FCS 0x00000020 |
| #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 */ |
| #define L2CAP_CTRL_SAR 0xC000 |
| #define L2CAP_CTRL_REQSEQ 0x3F00 |
| #define L2CAP_CTRL_TXSEQ 0x007E |
| #define L2CAP_CTRL_FINAL 0x0080 |
| #define L2CAP_CTRL_POLL 0x0010 |
| #define L2CAP_CTRL_SUPERVISE 0x000C |
| #define L2CAP_CTRL_FRAME_TYPE 0x0001 /* I- or S-Frame */ |
| |
| #define L2CAP_CTRL_TXSEQ_SHIFT 1 |
| #define L2CAP_CTRL_SUPERVISE_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 |
| |
| #define L2CAP_EXT_CTRL_SAR 0x00030000 |
| #define L2CAP_EXT_CTRL_REQSEQ 0x0000FFFC |
| #define L2CAP_EXT_CTRL_TXSEQ 0xFFFC0000 |
| #define L2CAP_EXT_CTRL_FINAL 0x00000002 |
| #define L2CAP_EXT_CTRL_POLL 0x00040000 |
| #define L2CAP_EXT_CTRL_SUPERVISE 0x00030000 |
| #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_SUPERVISE_SHIFT 16 |
| #define L2CAP_EXT_CTRL_POLL_SHIFT 18 |
| #define L2CAP_EXT_CTRL_TXSEQ_SHIFT 18 |
| |
| /* L2CAP Supervisory Frame Types */ |
| #define L2CAP_SFRAME_RR 0x00 |
| #define L2CAP_SFRAME_REJ 0x01 |
| #define L2CAP_SFRAME_RNR 0x02 |
| #define L2CAP_SFRAME_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 ERTM / Streaming extra field lengths */ |
| #define L2CAP_SDULEN_SIZE 2 |
| #define L2CAP_FCS_SIZE 2 |
| |
| /* L2CAP structures */ |
| struct l2cap_hdr { |
| __le16 len; |
| __le16 cid; |
| } __packed; |
| #define L2CAP_HDR_SIZE 4 |
| #define L2CAP_ENHANCED_HDR_SIZE 6 |
| #define L2CAP_EXTENDED_HDR_SIZE 8 |
| |
| struct l2cap_cmd_hdr { |
| __u8 code; |
| __u8 ident; |
| __le16 len; |
| } __packed; |
| #define L2CAP_CMD_HDR_SIZE 4 |
| |
| struct l2cap_cmd_rej { |
| __le16 reason; |
| } __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_A2MP 0x0003 |
| #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 result */ |
| #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 |
| |
| /* connect 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_FLOW_SPEC_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_EXT_FS 0x06 |
| #define L2CAP_CONF_EXT_WINDOW 0x07 |
| |
| /* QOS Service type */ |
| #define L2CAP_SERVICE_NO_TRAFFIC 0x00 |
| #define L2CAP_SERVICE_BEST_EFFORT 0x01 |
| #define L2CAP_SERVICE_GUARANTEED 0x02 |
| |
| #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; |
| |
| struct l2cap_conf_ext_fs { |
| __u8 id; |
| __u8 type; |
| __le16 max_sdu; |
| __le32 sdu_arr_time; |
| __le32 acc_latency; |
| __le32 flush_to; |
| } __packed; |
| |
| struct l2cap_conf_prm { |
| __u8 fcs; |
| __le16 retrans_timeout; |
| __le16 monitor_timeout; |
| __le32 flush_to; |
| }; |
| |
| #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_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; |
| } __attribute__ ((packed)); |
| |
| struct l2cap_create_chan_rsp { |
| __le16 dcid; |
| __le16 scid; |
| __le16 result; |
| __le16 status; |
| } __attribute__ ((packed)); |
| |
| #define L2CAP_CREATE_CHAN_SUCCESS (0x0000) |
| #define L2CAP_CREATE_CHAN_PENDING (0x0001) |
| #define L2CAP_CREATE_CHAN_REFUSED_PSM (0x0002) |
| #define L2CAP_CREATE_CHAN_REFUSED_SECURITY (0x0003) |
| #define L2CAP_CREATE_CHAN_REFUSED_RESOURCES (0x0004) |
| #define L2CAP_CREATE_CHAN_REFUSED_CONTROLLER (0x0005) |
| |
| #define L2CAP_CREATE_CHAN_STATUS_NONE (0x0000) |
| #define L2CAP_CREATE_CHAN_STATUS_AUTHENTICATION (0x0001) |
| #define L2CAP_CREATE_CHAN_STATUS_AUTHORIZATION (0x0002) |
| |
| struct l2cap_move_chan_req { |
| __le16 icid; |
| __u8 dest_amp_id; |
| } __attribute__ ((packed)); |
| |
| struct l2cap_move_chan_rsp { |
| __le16 icid; |
| __le16 result; |
| } __attribute__ ((packed)); |
| |
| #define L2CAP_MOVE_CHAN_SUCCESS (0x0000) |
| #define L2CAP_MOVE_CHAN_PENDING (0x0001) |
| #define L2CAP_MOVE_CHAN_REFUSED_CONTROLLER (0x0002) |
| #define L2CAP_MOVE_CHAN_REFUSED_SAME_ID (0x0003) |
| #define L2CAP_MOVE_CHAN_REFUSED_CONFIG (0x0004) |
| #define L2CAP_MOVE_CHAN_REFUSED_COLLISION (0x0005) |
| #define L2CAP_MOVE_CHAN_REFUSED_NOT_ALLOWED (0x0006) |
| |
| struct l2cap_move_chan_cfm { |
| __le16 icid; |
| __le16 result; |
| } __attribute__ ((packed)); |
| |
| #define L2CAP_MOVE_CHAN_CONFIRMED (0x0000) |
| #define L2CAP_MOVE_CHAN_UNCONFIRMED (0x0001) |
| |
| struct l2cap_move_chan_cfm_rsp { |
| __le16 icid; |
| } __attribute__ ((packed)); |
| |
| struct l2cap_amp_signal_work { |
| struct work_struct work; |
| struct l2cap_cmd_hdr cmd; |
| struct l2cap_conn *conn; |
| struct sk_buff *skb; |
| u8 *data; |
| }; |
| |
| struct l2cap_resegment_work { |
| struct work_struct work; |
| struct sock *sk; |
| }; |
| |
| struct l2cap_logical_link_work { |
| struct work_struct work; |
| struct hci_chan *chan; |
| u8 status; |
| }; |
| |
| /* 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 connections ----- */ |
| struct l2cap_chan_list { |
| struct sock *head; |
| rwlock_t lock; |
| }; |
| |
| struct l2cap_conn { |
| struct hci_conn *hcon; |
| |
| bdaddr_t *dst; |
| bdaddr_t *src; |
| |
| unsigned int mtu; |
| |
| __u32 feat_mask; |
| __u8 fc_mask; |
| struct amp_mgr *mgr; |
| |
| __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 l2cap_chan_list chan_list; |
| }; |
| |
| struct sock_del_list { |
| struct sock *sk; |
| struct list_head list; |
| }; |
| |
| #define L2CAP_INFO_CL_MTU_REQ_SENT 0x01 |
| #define L2CAP_INFO_FEAT_MASK_REQ_SENT 0x04 |
| #define L2CAP_INFO_FEAT_MASK_REQ_DONE 0x08 |
| |
| /* ----- L2CAP channel and socket info ----- */ |
| #define l2cap_pi(sk) ((struct l2cap_pinfo *) sk) |
| #define TX_QUEUE(sk) (&l2cap_pi(sk)->tx_queue) |
| #define SREJ_QUEUE(sk) (&l2cap_pi(sk)->srej_queue) |
| |
| struct l2cap_seq_list { |
| __u16 head; |
| __u16 tail; |
| __u16 size; |
| __u16 mask; |
| __u16 *list; |
| }; |
| |
| struct l2cap_pinfo { |
| struct bt_sock bt; |
| __le16 psm; |
| __u16 dcid; |
| __u16 scid; |
| |
| __u16 imtu; |
| __u16 omtu; |
| __u16 flush_to; |
| __u8 mode; |
| __u8 fixed_channel; |
| __u8 num_conf_req; |
| __u8 num_conf_rsp; |
| |
| __u8 fcs; |
| __u8 sec_level; |
| __u8 role_switch; |
| __u8 force_reliable; |
| __u8 flushable; |
| __u8 force_active; |
| |
| __u8 conf_req[64]; |
| __u8 conf_len; |
| __u8 conf_ident; |
| __u16 conf_state; |
| __u8 conn_state; |
| __u8 tx_state; |
| __u8 rx_state; |
| __u8 reconf_state; |
| |
| __u8 amp_id; |
| __u8 amp_move_id; |
| __u8 amp_move_state; |
| __u8 amp_move_role; |
| __u8 amp_move_cmd_ident; |
| __u16 amp_move_reqseq; |
| __u16 amp_move_event; |
| |
| __u16 next_tx_seq; |
| __u16 expected_ack_seq; |
| __u16 expected_tx_seq; |
| __u16 buffer_seq; |
| __u16 srej_save_reqseq; |
| __u16 last_acked_seq; |
| __u32 frames_sent; |
| __u16 unacked_frames; |
| __u8 retry_count; |
| __u16 srej_queue_next; |
| __u16 sdu_len; |
| struct sk_buff *sdu; |
| struct sk_buff *sdu_last_frag; |
| atomic_t ertm_queued; |
| |
| __u8 ident; |
| |
| __u16 tx_win; |
| __u16 tx_win_max; |
| __u8 max_tx; |
| __u8 amp_pref; |
| __u16 remote_tx_win; |
| __u8 remote_max_tx; |
| __u8 extended_control; |
| __u16 retrans_timeout; |
| __u16 monitor_timeout; |
| __u16 remote_mps; |
| __u16 mps; |
| |
| __le16 sport; |
| |
| struct delayed_work retrans_work; |
| struct delayed_work monitor_work; |
| struct delayed_work ack_work; |
| struct work_struct tx_work; |
| struct sk_buff_head tx_queue; |
| struct sk_buff_head srej_queue; |
| struct l2cap_seq_list srej_list; |
| struct l2cap_seq_list retrans_list; |
| struct hci_conn *ampcon; |
| struct hci_chan *ampchan; |
| struct l2cap_conn *conn; |
| struct l2cap_conf_prm local_conf; |
| struct l2cap_conf_prm remote_conf; |
| struct l2cap_conf_ext_fs local_fs; |
| struct l2cap_conf_ext_fs remote_fs; |
| struct sock *next_c; |
| struct sock *prev_c; |
| }; |
| |
| #define L2CAP_CONF_REQ_SENT 0x0001 |
| #define L2CAP_CONF_INPUT_DONE 0x0002 |
| #define L2CAP_CONF_OUTPUT_DONE 0x0004 |
| #define L2CAP_CONF_MTU_DONE 0x0008 |
| #define L2CAP_CONF_MODE_DONE 0x0010 |
| #define L2CAP_CONF_CONNECT_PEND 0x0020 |
| #define L2CAP_CONF_NO_FCS_RECV 0x0040 |
| #define L2CAP_CONF_STATE2_DEVICE 0x0080 |
| #define L2CAP_CONF_EXT_WIN_RECV 0x0100 |
| #define L2CAP_CONF_LOCKSTEP 0x0200 |
| #define L2CAP_CONF_LOCKSTEP_PEND 0x0400 |
| #define L2CAP_CONF_PEND_SENT 0x0800 |
| #define L2CAP_CONF_EFS_RECV 0x1000 |
| |
| #define L2CAP_CONF_MAX_CONF_REQ 2 |
| #define L2CAP_CONF_MAX_CONF_RSP 2 |
| |
| #define L2CAP_RECONF_NONE 0x00 |
| #define L2CAP_RECONF_INT 0x01 |
| #define L2CAP_RECONF_ACC 0x02 |
| |
| #define L2CAP_CONN_SREJ_ACT 0x01 |
| #define L2CAP_CONN_REJ_ACT 0x02 |
| #define L2CAP_CONN_REMOTE_BUSY 0x04 |
| #define L2CAP_CONN_LOCAL_BUSY 0x08 |
| #define L2CAP_CONN_SEND_FBIT 0x10 |
| #define L2CAP_CONN_SENT_RNR 0x20 |
| |
| #define L2CAP_SEQ_LIST_CLEAR 0xFFFF |
| #define L2CAP_SEQ_LIST_TAIL 0x8000 |
| |
| #define L2CAP_ERTM_TX_STATE_XMIT 0x01 |
| #define L2CAP_ERTM_TX_STATE_WAIT_F 0x02 |
| |
| #define L2CAP_ERTM_RX_STATE_RECV 0x01 |
| #define L2CAP_ERTM_RX_STATE_SREJ_SENT 0x02 |
| #define L2CAP_ERTM_RX_STATE_AMP_MOVE 0x03 |
| #define L2CAP_ERTM_RX_STATE_WAIT_P_FLAG 0x04 |
| #define L2CAP_ERTM_RX_STATE_WAIT_P_FLAG_RECONFIGURE 0x05 |
| #define L2CAP_ERTM_RX_STATE_WAIT_F_FLAG 0x06 |
| |
| #define L2CAP_ERTM_TXSEQ_EXPECTED 0x00 |
| #define L2CAP_ERTM_TXSEQ_EXPECTED_SREJ 0x01 |
| #define L2CAP_ERTM_TXSEQ_UNEXPECTED 0x02 |
| #define L2CAP_ERTM_TXSEQ_UNEXPECTED_SREJ 0x03 |
| #define L2CAP_ERTM_TXSEQ_DUPLICATE 0x04 |
| #define L2CAP_ERTM_TXSEQ_DUPLICATE_SREJ 0x05 |
| #define L2CAP_ERTM_TXSEQ_INVALID 0x06 |
| #define L2CAP_ERTM_TXSEQ_INVALID_IGNORE 0x07 |
| |
| #define L2CAP_ERTM_EVENT_DATA_REQUEST 0x01 |
| #define L2CAP_ERTM_EVENT_LOCAL_BUSY_DETECTED 0x02 |
| #define L2CAP_ERTM_EVENT_LOCAL_BUSY_CLEAR 0x03 |
| #define L2CAP_ERTM_EVENT_RECV_REQSEQ_AND_FBIT 0x04 |
| #define L2CAP_ERTM_EVENT_RECV_FBIT 0x05 |
| #define L2CAP_ERTM_EVENT_RETRANS_TIMER_EXPIRES 0x06 |
| #define L2CAP_ERTM_EVENT_MONITOR_TIMER_EXPIRES 0x07 |
| #define L2CAP_ERTM_EVENT_EXPLICIT_POLL 0x08 |
| #define L2CAP_ERTM_EVENT_RECV_IFRAME 0x09 |
| #define L2CAP_ERTM_EVENT_RECV_RR 0x0a |
| #define L2CAP_ERTM_EVENT_RECV_REJ 0x0b |
| #define L2CAP_ERTM_EVENT_RECV_RNR 0x0c |
| #define L2CAP_ERTM_EVENT_RECV_SREJ 0x0d |
| #define L2CAP_ERTM_EVENT_RECV_FRAME 0x0e |
| |
| #define L2CAP_AMP_MOVE_NONE 0 |
| #define L2CAP_AMP_MOVE_INITIATOR 1 |
| #define L2CAP_AMP_MOVE_RESPONDER 2 |
| |
| #define L2CAP_AMP_STATE_STABLE 0 |
| #define L2CAP_AMP_STATE_WAIT_CREATE 1 |
| #define L2CAP_AMP_STATE_WAIT_CREATE_RSP 2 |
| #define L2CAP_AMP_STATE_WAIT_MOVE 3 |
| #define L2CAP_AMP_STATE_WAIT_MOVE_RSP 4 |
| #define L2CAP_AMP_STATE_WAIT_MOVE_RSP_SUCCESS 5 |
| #define L2CAP_AMP_STATE_WAIT_MOVE_CONFIRM 6 |
| #define L2CAP_AMP_STATE_WAIT_MOVE_CONFIRM_RSP 7 |
| #define L2CAP_AMP_STATE_WAIT_LOGICAL_COMPLETE 8 |
| #define L2CAP_AMP_STATE_WAIT_LOGICAL_CONFIRM 9 |
| #define L2CAP_AMP_STATE_WAIT_LOCAL_BUSY 10 |
| #define L2CAP_AMP_STATE_WAIT_PREPARE 11 |
| #define L2CAP_AMP_STATE_RESEGMENT 12 |
| |
| #define L2CAP_ATT_ERROR 0x01 |
| #define L2CAP_ATT_RESPONSE_BIT 0x01 |
| #define L2CAP_ATT_INDICATE 0x1D |
| #define L2CAP_ATT_NOT_SUPPORTED 0x06 |
| |
| #define __delta_seq(x, y, pi) ((x) >= (y) ? (x) - (y) : \ |
| (pi)->tx_win_max + 1 - (y) + (x)) |
| #define __next_seq(x, pi) ((x + 1) & ((pi)->tx_win_max)) |
| |
| extern int disable_ertm; |
| extern const struct proto_ops l2cap_sock_ops; |
| extern struct bt_sock_list l2cap_sk_list; |
| |
| int l2cap_init_sockets(void); |
| void l2cap_cleanup_sockets(void); |
| |
| u8 l2cap_get_ident(struct l2cap_conn *conn); |
| void l2cap_send_cmd(struct l2cap_conn *conn, u8 ident, u8 code, u16 len, void *data); |
| int l2cap_build_conf_req(struct sock *sk, void *data); |
| int __l2cap_wait_ack(struct sock *sk); |
| |
| struct sk_buff *l2cap_create_connless_pdu(struct sock *sk, struct msghdr *msg, size_t len); |
| struct sk_buff *l2cap_create_basic_pdu(struct sock *sk, struct msghdr *msg, size_t len); |
| struct sk_buff *l2cap_create_iframe_pdu(struct sock *sk, struct msghdr *msg, |
| size_t len, u16 sdulen, int reseg); |
| int l2cap_segment_sdu(struct sock *sk, struct sk_buff_head* seg_queue, |
| struct msghdr *msg, size_t len, int reseg); |
| int l2cap_resegment_queue(struct sock *sk, struct sk_buff_head *queue); |
| void l2cap_do_send(struct sock *sk, struct sk_buff *skb); |
| void l2cap_streaming_send(struct sock *sk); |
| int l2cap_ertm_send(struct sock *sk); |
| int l2cap_strm_tx(struct sock *sk, struct sk_buff_head *skbs); |
| int l2cap_ertm_tx(struct sock *sk, struct bt_l2cap_control *control, |
| struct sk_buff_head *skbs, u8 event); |
| |
| void l2cap_sock_set_timer(struct sock *sk, long timeout); |
| void l2cap_sock_clear_timer(struct sock *sk); |
| void __l2cap_sock_close(struct sock *sk, int reason); |
| void l2cap_sock_kill(struct sock *sk); |
| void l2cap_sock_init(struct sock *sk, struct sock *parent); |
| struct sock *l2cap_sock_alloc(struct net *net, struct socket *sock, |
| int proto, gfp_t prio); |
| void l2cap_send_disconn_req(struct l2cap_conn *conn, struct sock *sk, int err); |
| void l2cap_chan_del(struct sock *sk, int err); |
| int l2cap_do_connect(struct sock *sk); |
| int l2cap_data_channel(struct sock *sk, struct sk_buff *skb); |
| void l2cap_amp_move_init(struct sock *sk); |
| void l2cap_ertm_destruct(struct sock *sk); |
| void l2cap_ertm_shutdown(struct sock *sk); |
| void l2cap_ertm_recv_done(struct sock *sk); |
| |
| void l2cap_fixed_channel_config(struct sock *sk, struct l2cap_options *opt); |
| |
| void l2cap_recv_deferred_frame(struct sock *sk, struct sk_buff *skb); |
| |
| void l2cap_amp_physical_complete(int result, u8 remote_id, u8 local_id, |
| struct sock *sk); |
| |
| void l2cap_amp_logical_complete(int result, struct hci_conn *ampcon, |
| struct hci_chan *ampchan, struct sock *sk); |
| |
| void l2cap_amp_logical_destroyed(struct hci_conn *ampcon); |
| |
| #endif /* __L2CAP_H */ |