11da177e4SLinus Torvalds /* 21da177e4SLinus Torvalds BlueZ - Bluetooth protocol stack for Linux 31da177e4SLinus Torvalds Copyright (C) 2000-2001 Qualcomm Incorporated 4ce5706bdSGustavo F. Padovan Copyright (C) 2009-2010 Gustavo F. Padovan <gustavo@padovan.org> 55d8868ffSGustavo F. Padovan Copyright (C) 2010 Google Inc. 61da177e4SLinus Torvalds 71da177e4SLinus Torvalds Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com> 81da177e4SLinus Torvalds 91da177e4SLinus Torvalds This program is free software; you can redistribute it and/or modify 101da177e4SLinus Torvalds it under the terms of the GNU General Public License version 2 as 111da177e4SLinus Torvalds published by the Free Software Foundation; 121da177e4SLinus Torvalds 131da177e4SLinus Torvalds THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 141da177e4SLinus Torvalds OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 151da177e4SLinus Torvalds FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. 161da177e4SLinus Torvalds IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY 171da177e4SLinus Torvalds CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES 181da177e4SLinus Torvalds WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 191da177e4SLinus Torvalds ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 201da177e4SLinus Torvalds OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 211da177e4SLinus Torvalds 221da177e4SLinus Torvalds ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, 231da177e4SLinus Torvalds COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS 241da177e4SLinus Torvalds SOFTWARE IS DISCLAIMED. 251da177e4SLinus Torvalds */ 261da177e4SLinus Torvalds 271da177e4SLinus Torvalds #ifndef __L2CAP_H 281da177e4SLinus Torvalds #define __L2CAP_H 291da177e4SLinus Torvalds 301da177e4SLinus Torvalds /* L2CAP defaults */ 311da177e4SLinus Torvalds #define L2CAP_DEFAULT_MTU 672 32f2fcfcd6SGustavo F. Padovan #define L2CAP_DEFAULT_MIN_MTU 48 3347ec1dcdSMarcel Holtmann #define L2CAP_DEFAULT_FLUSH_TO 0xffff 341c2acffbSGustavo F. Padovan #define L2CAP_DEFAULT_TX_WINDOW 63 356327eb98SAndrei Emeltchenko #define L2CAP_DEFAULT_EXT_WINDOW 0x3FFF 36e90bac06SGustavo F. Padovan #define L2CAP_DEFAULT_MAX_TX 3 37fa235562SMat Martineau #define L2CAP_DEFAULT_RETRANS_TO 2000 /* 2 seconds */ 38e90bac06SGustavo F. Padovan #define L2CAP_DEFAULT_MONITOR_TO 12000 /* 12 seconds */ 39db12d647SMat Martineau #define L2CAP_DEFAULT_MAX_PDU_SIZE 1009 /* Sized for 3-DH5 packet */ 40c1b4f43bSGustavo F. Padovan #define L2CAP_DEFAULT_ACK_TO 200 41b62f328bSVille Tervo #define L2CAP_LE_DEFAULT_MTU 23 421da177e4SLinus Torvalds 434e8402a3SMarcel Holtmann #define L2CAP_CONN_TIMEOUT (40000) /* 40 seconds */ 444e8402a3SMarcel Holtmann #define L2CAP_INFO_TIMEOUT (4000) /* 4 seconds */ 451da177e4SLinus Torvalds 461da177e4SLinus Torvalds /* L2CAP socket address */ 471da177e4SLinus Torvalds struct sockaddr_l2 { 481da177e4SLinus Torvalds sa_family_t l2_family; 498e036fc3SAl Viro __le16 l2_psm; 501da177e4SLinus Torvalds bdaddr_t l2_bdaddr; 51f29972deSMarcel Holtmann __le16 l2_cid; 521da177e4SLinus Torvalds }; 531da177e4SLinus Torvalds 541da177e4SLinus Torvalds /* L2CAP socket options */ 551da177e4SLinus Torvalds #define L2CAP_OPTIONS 0x01 561da177e4SLinus Torvalds struct l2cap_options { 571da177e4SLinus Torvalds __u16 omtu; 581da177e4SLinus Torvalds __u16 imtu; 591da177e4SLinus Torvalds __u16 flush_to; 601da177e4SLinus Torvalds __u8 mode; 61fcc203c3SGustavo F. Padovan __u8 fcs; 6268d7f0ceSGustavo F. Padovan __u8 max_tx; 6314b5aa71SGustavo F. Padovan __u16 txwin_size; 641da177e4SLinus Torvalds }; 651da177e4SLinus Torvalds 661da177e4SLinus Torvalds #define L2CAP_CONNINFO 0x02 671da177e4SLinus Torvalds struct l2cap_conninfo { 681da177e4SLinus Torvalds __u16 hci_handle; 691da177e4SLinus Torvalds __u8 dev_class[3]; 701da177e4SLinus Torvalds }; 711da177e4SLinus Torvalds 721da177e4SLinus Torvalds #define L2CAP_LM 0x03 731da177e4SLinus Torvalds #define L2CAP_LM_MASTER 0x0001 741da177e4SLinus Torvalds #define L2CAP_LM_AUTH 0x0002 751da177e4SLinus Torvalds #define L2CAP_LM_ENCRYPT 0x0004 761da177e4SLinus Torvalds #define L2CAP_LM_TRUSTED 0x0008 771da177e4SLinus Torvalds #define L2CAP_LM_RELIABLE 0x0010 781da177e4SLinus Torvalds #define L2CAP_LM_SECURE 0x0020 791da177e4SLinus Torvalds 801da177e4SLinus Torvalds /* L2CAP command codes */ 811da177e4SLinus Torvalds #define L2CAP_COMMAND_REJ 0x01 821da177e4SLinus Torvalds #define L2CAP_CONN_REQ 0x02 831da177e4SLinus Torvalds #define L2CAP_CONN_RSP 0x03 841da177e4SLinus Torvalds #define L2CAP_CONF_REQ 0x04 851da177e4SLinus Torvalds #define L2CAP_CONF_RSP 0x05 861da177e4SLinus Torvalds #define L2CAP_DISCONN_REQ 0x06 871da177e4SLinus Torvalds #define L2CAP_DISCONN_RSP 0x07 881da177e4SLinus Torvalds #define L2CAP_ECHO_REQ 0x08 891da177e4SLinus Torvalds #define L2CAP_ECHO_RSP 0x09 901da177e4SLinus Torvalds #define L2CAP_INFO_REQ 0x0a 911da177e4SLinus Torvalds #define L2CAP_INFO_RSP 0x0b 923300d9a9SClaudio Takahasi #define L2CAP_CONN_PARAM_UPDATE_REQ 0x12 933300d9a9SClaudio Takahasi #define L2CAP_CONN_PARAM_UPDATE_RSP 0x13 941da177e4SLinus Torvalds 95a858393bSAndrei Emeltchenko /* L2CAP extended feature mask */ 9647ec1dcdSMarcel Holtmann #define L2CAP_FEAT_FLOWCTL 0x00000001 9747ec1dcdSMarcel Holtmann #define L2CAP_FEAT_RETRANS 0x00000002 98a858393bSAndrei Emeltchenko #define L2CAP_FEAT_BIDIR_QOS 0x00000004 9947ec1dcdSMarcel Holtmann #define L2CAP_FEAT_ERTM 0x00000008 10047ec1dcdSMarcel Holtmann #define L2CAP_FEAT_STREAMING 0x00000010 10147ec1dcdSMarcel Holtmann #define L2CAP_FEAT_FCS 0x00000020 102a858393bSAndrei Emeltchenko #define L2CAP_FEAT_EXT_FLOW 0x00000040 10347ec1dcdSMarcel Holtmann #define L2CAP_FEAT_FIXED_CHAN 0x00000080 104a858393bSAndrei Emeltchenko #define L2CAP_FEAT_EXT_WINDOW 0x00000100 105a858393bSAndrei Emeltchenko #define L2CAP_FEAT_UCD 0x00000200 10647ec1dcdSMarcel Holtmann 10747ec1dcdSMarcel Holtmann /* L2CAP checksum option */ 10847ec1dcdSMarcel Holtmann #define L2CAP_FCS_NONE 0x00 10947ec1dcdSMarcel Holtmann #define L2CAP_FCS_CRC16 0x01 11047ec1dcdSMarcel Holtmann 1111c2acffbSGustavo F. Padovan /* L2CAP Control Field bit masks */ 1121c2acffbSGustavo F. Padovan #define L2CAP_CTRL_SAR 0xC000 1131c2acffbSGustavo F. Padovan #define L2CAP_CTRL_REQSEQ 0x3F00 1141c2acffbSGustavo F. Padovan #define L2CAP_CTRL_TXSEQ 0x007E 11557253fd8SAndrei Emeltchenko #define L2CAP_CTRL_SUPERVISE 0x000C 11657253fd8SAndrei Emeltchenko 1171c2acffbSGustavo F. Padovan #define L2CAP_CTRL_RETRANS 0x0080 1181c2acffbSGustavo F. Padovan #define L2CAP_CTRL_FINAL 0x0080 1191c2acffbSGustavo F. Padovan #define L2CAP_CTRL_POLL 0x0010 1201c2acffbSGustavo F. Padovan #define L2CAP_CTRL_FRAME_TYPE 0x0001 /* I- or S-Frame */ 1211c2acffbSGustavo F. Padovan 1221c2acffbSGustavo F. Padovan #define L2CAP_CTRL_TXSEQ_SHIFT 1 12357253fd8SAndrei Emeltchenko #define L2CAP_CTRL_SUPER_SHIFT 2 1241c2acffbSGustavo F. Padovan #define L2CAP_CTRL_REQSEQ_SHIFT 8 1258f17154fSGustavo F. Padovan #define L2CAP_CTRL_SAR_SHIFT 14 1261c2acffbSGustavo F. Padovan 12757253fd8SAndrei Emeltchenko /* L2CAP Extended Control Field bit mask */ 12857253fd8SAndrei Emeltchenko #define L2CAP_EXT_CTRL_TXSEQ 0xFFFC0000 12957253fd8SAndrei Emeltchenko #define L2CAP_EXT_CTRL_SAR 0x00030000 13057253fd8SAndrei Emeltchenko #define L2CAP_EXT_CTRL_SUPERVISE 0x00030000 13157253fd8SAndrei Emeltchenko #define L2CAP_EXT_CTRL_REQSEQ 0x0000FFFC 13257253fd8SAndrei Emeltchenko 13357253fd8SAndrei Emeltchenko #define L2CAP_EXT_CTRL_POLL 0x00040000 13457253fd8SAndrei Emeltchenko #define L2CAP_EXT_CTRL_FINAL 0x00000002 13557253fd8SAndrei Emeltchenko #define L2CAP_EXT_CTRL_FRAME_TYPE 0x00000001 /* I- or S-Frame */ 13657253fd8SAndrei Emeltchenko 13757253fd8SAndrei Emeltchenko #define L2CAP_EXT_CTRL_REQSEQ_SHIFT 2 13857253fd8SAndrei Emeltchenko #define L2CAP_EXT_CTRL_SAR_SHIFT 16 13957253fd8SAndrei Emeltchenko #define L2CAP_EXT_CTRL_SUPER_SHIFT 16 14057253fd8SAndrei Emeltchenko #define L2CAP_EXT_CTRL_TXSEQ_SHIFT 18 14157253fd8SAndrei Emeltchenko 1421c2acffbSGustavo F. Padovan /* L2CAP Supervisory Function */ 143ab784b73SAndrei Emeltchenko #define L2CAP_SUPER_RR 0x00 144ab784b73SAndrei Emeltchenko #define L2CAP_SUPER_REJ 0x01 145ab784b73SAndrei Emeltchenko #define L2CAP_SUPER_RNR 0x02 146ab784b73SAndrei Emeltchenko #define L2CAP_SUPER_SREJ 0x03 1471c2acffbSGustavo F. Padovan 1481c2acffbSGustavo F. Padovan /* L2CAP Segmentation and Reassembly */ 1497e0ef6eeSAndrei Emeltchenko #define L2CAP_SAR_UNSEGMENTED 0x00 1507e0ef6eeSAndrei Emeltchenko #define L2CAP_SAR_START 0x01 1517e0ef6eeSAndrei Emeltchenko #define L2CAP_SAR_END 0x02 1527e0ef6eeSAndrei Emeltchenko #define L2CAP_SAR_CONTINUE 0x03 1531c2acffbSGustavo F. Padovan 154e2fd318eSIlia Kolomisnky /* L2CAP Command rej. reasons */ 155e2fd318eSIlia Kolomisnky #define L2CAP_REJ_NOT_UNDERSTOOD 0x0000 156e2fd318eSIlia Kolomisnky #define L2CAP_REJ_MTU_EXCEEDED 0x0001 157e2fd318eSIlia Kolomisnky #define L2CAP_REJ_INVALID_CID 0x0002 158e2fd318eSIlia Kolomisnky 1591da177e4SLinus Torvalds /* L2CAP structures */ 1601da177e4SLinus Torvalds struct l2cap_hdr { 1618e036fc3SAl Viro __le16 len; 1628e036fc3SAl Viro __le16 cid; 16366c853ccSGustavo F. Padovan } __packed; 1641da177e4SLinus Torvalds #define L2CAP_HDR_SIZE 4 165d43cb289SAndrei Emeltchenko #define L2CAP_ENH_HDR_SIZE 6 166d43cb289SAndrei Emeltchenko #define L2CAP_EXT_HDR_SIZE 8 167d43cb289SAndrei Emeltchenko 168d43cb289SAndrei Emeltchenko #define L2CAP_FCS_SIZE 2 169d43cb289SAndrei Emeltchenko #define L2CAP_SDULEN_SIZE 2 170d43cb289SAndrei Emeltchenko #define L2CAP_PSMLEN_SIZE 2 1711da177e4SLinus Torvalds 1721da177e4SLinus Torvalds struct l2cap_cmd_hdr { 1731da177e4SLinus Torvalds __u8 code; 1741da177e4SLinus Torvalds __u8 ident; 1758e036fc3SAl Viro __le16 len; 17666c853ccSGustavo F. Padovan } __packed; 1771da177e4SLinus Torvalds #define L2CAP_CMD_HDR_SIZE 4 1781da177e4SLinus Torvalds 179e2fd318eSIlia Kolomisnky struct l2cap_cmd_rej_unk { 1808e036fc3SAl Viro __le16 reason; 18166c853ccSGustavo F. Padovan } __packed; 1821da177e4SLinus Torvalds 183e2fd318eSIlia Kolomisnky struct l2cap_cmd_rej_mtu { 184e2fd318eSIlia Kolomisnky __le16 reason; 185e2fd318eSIlia Kolomisnky __le16 max_mtu; 186e2fd318eSIlia Kolomisnky } __packed; 187e2fd318eSIlia Kolomisnky 188e2fd318eSIlia Kolomisnky struct l2cap_cmd_rej_cid { 189e2fd318eSIlia Kolomisnky __le16 reason; 190e2fd318eSIlia Kolomisnky __le16 scid; 191e2fd318eSIlia Kolomisnky __le16 dcid; 192e2fd318eSIlia Kolomisnky } __packed; 193e2fd318eSIlia Kolomisnky 1941da177e4SLinus Torvalds struct l2cap_conn_req { 1958e036fc3SAl Viro __le16 psm; 1968e036fc3SAl Viro __le16 scid; 19766c853ccSGustavo F. Padovan } __packed; 1981da177e4SLinus Torvalds 1991da177e4SLinus Torvalds struct l2cap_conn_rsp { 2008e036fc3SAl Viro __le16 dcid; 2018e036fc3SAl Viro __le16 scid; 2028e036fc3SAl Viro __le16 result; 2038e036fc3SAl Viro __le16 status; 20466c853ccSGustavo F. Padovan } __packed; 2051da177e4SLinus Torvalds 2068db4dc46SGustavo F. Padovan /* channel indentifier */ 2078db4dc46SGustavo F. Padovan #define L2CAP_CID_SIGNALING 0x0001 2088db4dc46SGustavo F. Padovan #define L2CAP_CID_CONN_LESS 0x0002 209acd7d370SVille Tervo #define L2CAP_CID_LE_DATA 0x0004 210acd7d370SVille Tervo #define L2CAP_CID_LE_SIGNALING 0x0005 211acd7d370SVille Tervo #define L2CAP_CID_SMP 0x0006 2128db4dc46SGustavo F. Padovan #define L2CAP_CID_DYN_START 0x0040 2138db4dc46SGustavo F. Padovan #define L2CAP_CID_DYN_END 0xffff 2148db4dc46SGustavo F. Padovan 2151da177e4SLinus Torvalds /* connect result */ 2161da177e4SLinus Torvalds #define L2CAP_CR_SUCCESS 0x0000 2171da177e4SLinus Torvalds #define L2CAP_CR_PEND 0x0001 2181da177e4SLinus Torvalds #define L2CAP_CR_BAD_PSM 0x0002 2191da177e4SLinus Torvalds #define L2CAP_CR_SEC_BLOCK 0x0003 2201da177e4SLinus Torvalds #define L2CAP_CR_NO_MEM 0x0004 2211da177e4SLinus Torvalds 2221da177e4SLinus Torvalds /* connect status */ 2231da177e4SLinus Torvalds #define L2CAP_CS_NO_INFO 0x0000 2241da177e4SLinus Torvalds #define L2CAP_CS_AUTHEN_PEND 0x0001 2251da177e4SLinus Torvalds #define L2CAP_CS_AUTHOR_PEND 0x0002 2261da177e4SLinus Torvalds 2271da177e4SLinus Torvalds struct l2cap_conf_req { 2288e036fc3SAl Viro __le16 dcid; 2298e036fc3SAl Viro __le16 flags; 2301da177e4SLinus Torvalds __u8 data[0]; 23166c853ccSGustavo F. Padovan } __packed; 2321da177e4SLinus Torvalds 2331da177e4SLinus Torvalds struct l2cap_conf_rsp { 2348e036fc3SAl Viro __le16 scid; 2358e036fc3SAl Viro __le16 flags; 2368e036fc3SAl Viro __le16 result; 2371da177e4SLinus Torvalds __u8 data[0]; 23866c853ccSGustavo F. Padovan } __packed; 2391da177e4SLinus Torvalds 2405dee9e7cSMarcel Holtmann #define L2CAP_CONF_SUCCESS 0x0000 2415dee9e7cSMarcel Holtmann #define L2CAP_CONF_UNACCEPT 0x0001 2425dee9e7cSMarcel Holtmann #define L2CAP_CONF_REJECT 0x0002 2435dee9e7cSMarcel Holtmann #define L2CAP_CONF_UNKNOWN 0x0003 2445a9e7057SAndrei Emeltchenko #define L2CAP_CONF_EFS_REJECT 0x0005 2451da177e4SLinus Torvalds 2461da177e4SLinus Torvalds struct l2cap_conf_opt { 2471da177e4SLinus Torvalds __u8 type; 2481da177e4SLinus Torvalds __u8 len; 2491da177e4SLinus Torvalds __u8 val[0]; 25066c853ccSGustavo F. Padovan } __packed; 2511da177e4SLinus Torvalds #define L2CAP_CONF_OPT_SIZE 2 2521da177e4SLinus Torvalds 253589d2746SGustavo F. Padovan #define L2CAP_CONF_HINT 0x80 25447ec1dcdSMarcel Holtmann #define L2CAP_CONF_MASK 0x7f 255589d2746SGustavo F. Padovan 2561da177e4SLinus Torvalds #define L2CAP_CONF_MTU 0x01 2571da177e4SLinus Torvalds #define L2CAP_CONF_FLUSH_TO 0x02 2581da177e4SLinus Torvalds #define L2CAP_CONF_QOS 0x03 2591da177e4SLinus Torvalds #define L2CAP_CONF_RFC 0x04 26047ec1dcdSMarcel Holtmann #define L2CAP_CONF_FCS 0x05 2615a9e7057SAndrei Emeltchenko #define L2CAP_CONF_EFS 0x06 2626327eb98SAndrei Emeltchenko #define L2CAP_CONF_EWS 0x07 2631da177e4SLinus Torvalds 2641da177e4SLinus Torvalds #define L2CAP_CONF_MAX_SIZE 22 2651da177e4SLinus Torvalds 2666464f35fSMarcel Holtmann struct l2cap_conf_rfc { 2676464f35fSMarcel Holtmann __u8 mode; 2686464f35fSMarcel Holtmann __u8 txwin_size; 2696464f35fSMarcel Holtmann __u8 max_transmit; 2706464f35fSMarcel Holtmann __le16 retrans_timeout; 2716464f35fSMarcel Holtmann __le16 monitor_timeout; 2726464f35fSMarcel Holtmann __le16 max_pdu_size; 27366c853ccSGustavo F. Padovan } __packed; 2746464f35fSMarcel Holtmann 2756464f35fSMarcel Holtmann #define L2CAP_MODE_BASIC 0x00 2766464f35fSMarcel Holtmann #define L2CAP_MODE_RETRANS 0x01 2776464f35fSMarcel Holtmann #define L2CAP_MODE_FLOWCTL 0x02 27847ec1dcdSMarcel Holtmann #define L2CAP_MODE_ERTM 0x03 279c6b03cf9SMarcel Holtmann #define L2CAP_MODE_STREAMING 0x04 2806464f35fSMarcel Holtmann 2815a9e7057SAndrei Emeltchenko struct l2cap_conf_efs { 2825a9e7057SAndrei Emeltchenko __u8 id; 2835a9e7057SAndrei Emeltchenko __u8 stype; 2845a9e7057SAndrei Emeltchenko __le16 msdu; 2855a9e7057SAndrei Emeltchenko __le32 sdu_itime; 2865a9e7057SAndrei Emeltchenko __le32 acc_lat; 2875a9e7057SAndrei Emeltchenko __le32 flush_to; 2885a9e7057SAndrei Emeltchenko } __packed; 2895a9e7057SAndrei Emeltchenko 2901da177e4SLinus Torvalds struct l2cap_disconn_req { 2918e036fc3SAl Viro __le16 dcid; 2928e036fc3SAl Viro __le16 scid; 29366c853ccSGustavo F. Padovan } __packed; 2941da177e4SLinus Torvalds 2951da177e4SLinus Torvalds struct l2cap_disconn_rsp { 2968e036fc3SAl Viro __le16 dcid; 2978e036fc3SAl Viro __le16 scid; 29866c853ccSGustavo F. Padovan } __packed; 2991da177e4SLinus Torvalds 3001da177e4SLinus Torvalds struct l2cap_info_req { 3018e036fc3SAl Viro __le16 type; 30266c853ccSGustavo F. Padovan } __packed; 3031da177e4SLinus Torvalds 3041da177e4SLinus Torvalds struct l2cap_info_rsp { 3058e036fc3SAl Viro __le16 type; 3068e036fc3SAl Viro __le16 result; 3071da177e4SLinus Torvalds __u8 data[0]; 30866c853ccSGustavo F. Padovan } __packed; 3091da177e4SLinus Torvalds 3101da177e4SLinus Torvalds /* info type */ 3111da177e4SLinus Torvalds #define L2CAP_IT_CL_MTU 0x0001 3121da177e4SLinus Torvalds #define L2CAP_IT_FEAT_MASK 0x0002 313e1027a7cSMarcel Holtmann #define L2CAP_IT_FIXED_CHAN 0x0003 3141da177e4SLinus Torvalds 3151da177e4SLinus Torvalds /* info result */ 3161da177e4SLinus Torvalds #define L2CAP_IR_SUCCESS 0x0000 3171da177e4SLinus Torvalds #define L2CAP_IR_NOTSUPP 0x0001 3181da177e4SLinus Torvalds 319de73115aSClaudio Takahasi struct l2cap_conn_param_update_req { 320de73115aSClaudio Takahasi __le16 min; 321de73115aSClaudio Takahasi __le16 max; 322de73115aSClaudio Takahasi __le16 latency; 323de73115aSClaudio Takahasi __le16 to_multiplier; 324de73115aSClaudio Takahasi } __packed; 325de73115aSClaudio Takahasi 326de73115aSClaudio Takahasi struct l2cap_conn_param_update_rsp { 327de73115aSClaudio Takahasi __le16 result; 328de73115aSClaudio Takahasi } __packed; 329de73115aSClaudio Takahasi 330de73115aSClaudio Takahasi /* Connection Parameters result */ 331de73115aSClaudio Takahasi #define L2CAP_CONN_PARAM_ACCEPTED 0x0000 332de73115aSClaudio Takahasi #define L2CAP_CONN_PARAM_REJECTED 0x0001 333de73115aSClaudio Takahasi 33448454079SGustavo F. Padovan /* ----- L2CAP channels and connections ----- */ 33539d5a3eeSGustavo F. Padovan struct srej_list { 336fb45de7dSAndrei Emeltchenko __u16 tx_seq; 33739d5a3eeSGustavo F. Padovan struct list_head list; 33839d5a3eeSGustavo F. Padovan }; 33939d5a3eeSGustavo F. Padovan 34048454079SGustavo F. Padovan struct l2cap_chan { 34148454079SGustavo F. Padovan struct sock *sk; 3428c1d787bSGustavo F. Padovan 3438c1d787bSGustavo F. Padovan struct l2cap_conn *conn; 3448c1d787bSGustavo F. Padovan 34589bc500eSGustavo F. Padovan __u8 state; 34689bc500eSGustavo F. Padovan 34771ba0e56SGustavo F. Padovan atomic_t refcnt; 34871ba0e56SGustavo F. Padovan 349fe4128e0SGustavo F. Padovan __le16 psm; 350fe4128e0SGustavo F. Padovan __u16 dcid; 351fe4128e0SGustavo F. Padovan __u16 scid; 3524343478fSGustavo F. Padovan 3530c1bc5c6SGustavo F. Padovan __u16 imtu; 3540c1bc5c6SGustavo F. Padovan __u16 omtu; 3550c1bc5c6SGustavo F. Padovan __u16 flush_to; 3560c1bc5c6SGustavo F. Padovan __u8 mode; 357715ec005SGustavo F. Padovan __u8 chan_type; 3580c1bc5c6SGustavo F. Padovan 3590c1bc5c6SGustavo F. Padovan __le16 sport; 3600c1bc5c6SGustavo F. Padovan 3614343478fSGustavo F. Padovan __u8 sec_level; 3624343478fSGustavo F. Padovan 363fc7f8a7eSGustavo F. Padovan __u8 ident; 364fc7f8a7eSGustavo F. Padovan 36573ffa904SGustavo F. Padovan __u8 conf_req[64]; 36673ffa904SGustavo F. Padovan __u8 conf_len; 36773ffa904SGustavo F. Padovan __u8 num_conf_req; 36873ffa904SGustavo F. Padovan __u8 num_conf_rsp; 36973ffa904SGustavo F. Padovan 37047d1ec61SGustavo F. Padovan __u8 fcs; 37147d1ec61SGustavo F. Padovan 3726327eb98SAndrei Emeltchenko __u16 tx_win; 37347d1ec61SGustavo F. Padovan __u8 max_tx; 37447d1ec61SGustavo F. Padovan __u16 retrans_timeout; 37547d1ec61SGustavo F. Padovan __u16 monitor_timeout; 37647d1ec61SGustavo F. Padovan __u16 mps; 37747d1ec61SGustavo F. Padovan 378c1360a1cSGustavo F. Padovan unsigned long conf_state; 379e2ab4353SGustavo F. Padovan unsigned long conn_state; 380d57b0e8bSAndrei Emeltchenko unsigned long flags; 381525cd185SGustavo F. Padovan 382fb45de7dSAndrei Emeltchenko __u16 next_tx_seq; 383fb45de7dSAndrei Emeltchenko __u16 expected_ack_seq; 384fb45de7dSAndrei Emeltchenko __u16 expected_tx_seq; 3850b209faeSAndrei Emeltchenko __u16 buffer_seq; 386fb45de7dSAndrei Emeltchenko __u16 buffer_seq_srej; 387fb45de7dSAndrei Emeltchenko __u16 srej_save_reqseq; 388fb45de7dSAndrei Emeltchenko __u16 frames_sent; 389fb45de7dSAndrei Emeltchenko __u16 unacked_frames; 3906a026610SGustavo F. Padovan __u8 retry_count; 3916a026610SGustavo F. Padovan __u8 num_acked; 3926f61fd47SGustavo F. Padovan __u16 sdu_len; 3936f61fd47SGustavo F. Padovan struct sk_buff *sdu; 39484084a31SMat Martineau struct sk_buff *sdu_last_frag; 3956f61fd47SGustavo F. Padovan 3966327eb98SAndrei Emeltchenko __u16 remote_tx_win; 3972c03a7a4SGustavo F. Padovan __u8 remote_max_tx; 3982c03a7a4SGustavo F. Padovan __u16 remote_mps; 39942e5c802SGustavo F. Padovan 4005a9e7057SAndrei Emeltchenko __u8 local_id; 4015a9e7057SAndrei Emeltchenko __u8 local_stype; 4025a9e7057SAndrei Emeltchenko __u16 local_msdu; 4035a9e7057SAndrei Emeltchenko __u32 local_sdu_itime; 4045a9e7057SAndrei Emeltchenko __u32 local_acc_lat; 4055a9e7057SAndrei Emeltchenko __u32 local_flush_to; 4065a9e7057SAndrei Emeltchenko 4075a9e7057SAndrei Emeltchenko __u8 remote_id; 4085a9e7057SAndrei Emeltchenko __u8 remote_stype; 4095a9e7057SAndrei Emeltchenko __u16 remote_msdu; 4105a9e7057SAndrei Emeltchenko __u32 remote_sdu_itime; 4115a9e7057SAndrei Emeltchenko __u32 remote_acc_lat; 4125a9e7057SAndrei Emeltchenko __u32 remote_flush_to; 4135a9e7057SAndrei Emeltchenko 414ab07801dSGustavo F. Padovan struct timer_list chan_timer; 415e92c8e70SGustavo F. Padovan struct timer_list retrans_timer; 416e92c8e70SGustavo F. Padovan struct timer_list monitor_timer; 417e92c8e70SGustavo F. Padovan struct timer_list ack_timer; 41858d35f87SGustavo F. Padovan struct sk_buff *tx_send_head; 41958d35f87SGustavo F. Padovan struct sk_buff_head tx_q; 420f1c6775bSGustavo F. Padovan struct sk_buff_head srej_q; 42139d5a3eeSGustavo F. Padovan struct list_head srej_l; 422e92c8e70SGustavo F. Padovan 423baa7e1faSGustavo F. Padovan struct list_head list; 42423691d75SGustavo F. Padovan struct list_head global_l; 42580808e43SGustavo F. Padovan 42680808e43SGustavo F. Padovan void *data; 42780808e43SGustavo F. Padovan struct l2cap_ops *ops; 42880808e43SGustavo F. Padovan }; 42980808e43SGustavo F. Padovan 43080808e43SGustavo F. Padovan struct l2cap_ops { 43180808e43SGustavo F. Padovan char *name; 43280808e43SGustavo F. Padovan 43380808e43SGustavo F. Padovan struct l2cap_chan *(*new_connection) (void *data); 43423070494SGustavo F. Padovan int (*recv) (void *data, struct sk_buff *skb); 435ba3bd0eeSGustavo F. Padovan void (*close) (void *data); 43689bc500eSGustavo F. Padovan void (*state_change) (void *data, int state); 4371da177e4SLinus Torvalds }; 4381da177e4SLinus Torvalds 4391da177e4SLinus Torvalds struct l2cap_conn { 4401da177e4SLinus Torvalds struct hci_conn *hcon; 4411da177e4SLinus Torvalds 4421da177e4SLinus Torvalds bdaddr_t *dst; 4431da177e4SLinus Torvalds bdaddr_t *src; 4441da177e4SLinus Torvalds 4451da177e4SLinus Torvalds unsigned int mtu; 4461da177e4SLinus Torvalds 4474e8402a3SMarcel Holtmann __u32 feat_mask; 4484e8402a3SMarcel Holtmann 4494e8402a3SMarcel Holtmann __u8 info_state; 4504e8402a3SMarcel Holtmann __u8 info_ident; 4514e8402a3SMarcel Holtmann 4524e8402a3SMarcel Holtmann struct timer_list info_timer; 4534e8402a3SMarcel Holtmann 4541da177e4SLinus Torvalds spinlock_t lock; 4551da177e4SLinus Torvalds 4561da177e4SLinus Torvalds struct sk_buff *rx_skb; 4571da177e4SLinus Torvalds __u32 rx_len; 4581da177e4SLinus Torvalds __u8 tx_ident; 4591da177e4SLinus Torvalds 4602950f21aSMarcel Holtmann __u8 disc_reason; 4612950f21aSMarcel Holtmann 4625d3de7dfSVinicius Costa Gomes struct timer_list security_timer; 4631c1def09SVinicius Costa Gomes struct smp_chan *smp_chan; 4645d3de7dfSVinicius Costa Gomes 465baa7e1faSGustavo F. Padovan struct list_head chan_l; 466baa7e1faSGustavo F. Padovan rwlock_t chan_lock; 4671da177e4SLinus Torvalds }; 4681da177e4SLinus Torvalds 4694e8402a3SMarcel Holtmann #define L2CAP_INFO_CL_MTU_REQ_SENT 0x01 470984947dcSMarcel Holtmann #define L2CAP_INFO_FEAT_MASK_REQ_SENT 0x04 471984947dcSMarcel Holtmann #define L2CAP_INFO_FEAT_MASK_REQ_DONE 0x08 4724e8402a3SMarcel Holtmann 473715ec005SGustavo F. Padovan #define L2CAP_CHAN_RAW 1 474715ec005SGustavo F. Padovan #define L2CAP_CHAN_CONN_LESS 2 475715ec005SGustavo F. Padovan #define L2CAP_CHAN_CONN_ORIENTED 3 476715ec005SGustavo F. Padovan 47748454079SGustavo F. Padovan /* ----- L2CAP socket info ----- */ 4781da177e4SLinus Torvalds #define l2cap_pi(sk) ((struct l2cap_pinfo *) sk) 4791da177e4SLinus Torvalds 4801da177e4SLinus Torvalds struct l2cap_pinfo { 4811da177e4SLinus Torvalds struct bt_sock bt; 48248454079SGustavo F. Padovan struct l2cap_chan *chan; 483e328140fSMat Martineau struct sk_buff *rx_busy_skb; 4841da177e4SLinus Torvalds }; 4851da177e4SLinus Torvalds 486c1360a1cSGustavo F. Padovan enum { 487c1360a1cSGustavo F. Padovan CONF_REQ_SENT, 488c1360a1cSGustavo F. Padovan CONF_INPUT_DONE, 489c1360a1cSGustavo F. Padovan CONF_OUTPUT_DONE, 490c1360a1cSGustavo F. Padovan CONF_MTU_DONE, 491c1360a1cSGustavo F. Padovan CONF_MODE_DONE, 492c1360a1cSGustavo F. Padovan CONF_CONNECT_PEND, 493c1360a1cSGustavo F. Padovan CONF_NO_FCS_RECV, 494c1360a1cSGustavo F. Padovan CONF_STATE2_DEVICE, 4956327eb98SAndrei Emeltchenko CONF_EWS_RECV, 496c1360a1cSGustavo F. Padovan }; 497861d6882SMarcel Holtmann 498f2fcfcd6SGustavo F. Padovan #define L2CAP_CONF_MAX_CONF_REQ 2 499f2fcfcd6SGustavo F. Padovan #define L2CAP_CONF_MAX_CONF_RSP 2 500f2fcfcd6SGustavo F. Padovan 501e2ab4353SGustavo F. Padovan enum { 502e2ab4353SGustavo F. Padovan CONN_SREJ_SENT, 503e2ab4353SGustavo F. Padovan CONN_WAIT_F, 504e2ab4353SGustavo F. Padovan CONN_SREJ_ACT, 505e2ab4353SGustavo F. Padovan CONN_SEND_PBIT, 506e2ab4353SGustavo F. Padovan CONN_REMOTE_BUSY, 507e2ab4353SGustavo F. Padovan CONN_LOCAL_BUSY, 508e2ab4353SGustavo F. Padovan CONN_REJ_ACT, 509e2ab4353SGustavo F. Padovan CONN_SEND_FBIT, 510e2ab4353SGustavo F. Padovan CONN_RNR_SENT, 511e2ab4353SGustavo F. Padovan }; 512e90bac06SGustavo F. Padovan 513d57b0e8bSAndrei Emeltchenko /* Definitions for flags in l2cap_chan */ 514d57b0e8bSAndrei Emeltchenko enum { 51543bd0f32SAndrei Emeltchenko FLAG_ROLE_SWITCH, 51615770b1aSAndrei Emeltchenko FLAG_FORCE_ACTIVE, 517ecf61bdbSAndrei Emeltchenko FLAG_FORCE_RELIABLE, 518d57b0e8bSAndrei Emeltchenko FLAG_FLUSHABLE, 5196327eb98SAndrei Emeltchenko FLAG_EXT_CTRL, 5205a9e7057SAndrei Emeltchenko FLAG_EFS_ENABLE, 521d57b0e8bSAndrei Emeltchenko }; 522d57b0e8bSAndrei Emeltchenko 523c9b66675SGustavo F. Padovan #define __set_chan_timer(c, t) l2cap_set_timer(c, &c->chan_timer, (t)) 524c9b66675SGustavo F. Padovan #define __clear_chan_timer(c) l2cap_clear_timer(c, &c->chan_timer) 5251a09bcb9SGustavo F. Padovan #define __set_retrans_timer(c) l2cap_set_timer(c, &c->retrans_timer, \ 5261a09bcb9SGustavo F. Padovan L2CAP_DEFAULT_RETRANS_TO); 5271a09bcb9SGustavo F. Padovan #define __clear_retrans_timer(c) l2cap_clear_timer(c, &c->retrans_timer) 5281a09bcb9SGustavo F. Padovan #define __set_monitor_timer(c) l2cap_set_timer(c, &c->monitor_timer, \ 5291a09bcb9SGustavo F. Padovan L2CAP_DEFAULT_MONITOR_TO); 5301a09bcb9SGustavo F. Padovan #define __clear_monitor_timer(c) l2cap_clear_timer(c, &c->monitor_timer) 5311a09bcb9SGustavo F. Padovan #define __set_ack_timer(c) l2cap_set_timer(c, &chan->ack_timer, \ 5321a09bcb9SGustavo F. Padovan L2CAP_DEFAULT_ACK_TO); 5331a09bcb9SGustavo F. Padovan #define __clear_ack_timer(c) l2cap_clear_timer(c, &c->ack_timer) 534c74e560cSGustavo F. Padovan 53542e5c802SGustavo F. Padovan static inline int l2cap_tx_window_full(struct l2cap_chan *ch) 5361c2acffbSGustavo F. Padovan { 5371c2acffbSGustavo F. Padovan int sub; 5381c2acffbSGustavo F. Padovan 53942e5c802SGustavo F. Padovan sub = (ch->next_tx_seq - ch->expected_ack_seq) % 64; 5401c2acffbSGustavo F. Padovan 5411c2acffbSGustavo F. Padovan if (sub < 0) 5421c2acffbSGustavo F. Padovan sub += 64; 5431c2acffbSGustavo F. Padovan 5442c03a7a4SGustavo F. Padovan return sub == ch->remote_tx_win; 5451c2acffbSGustavo F. Padovan } 5461c2acffbSGustavo F. Padovan 5470b209faeSAndrei Emeltchenko static inline __u16 __get_reqseq(struct l2cap_chan *chan, __u32 ctrl) 5480b209faeSAndrei Emeltchenko { 5490b209faeSAndrei Emeltchenko if (test_bit(FLAG_EXT_CTRL, &chan->flags)) 5500b209faeSAndrei Emeltchenko return (ctrl & L2CAP_EXT_CTRL_REQSEQ) >> 5510b209faeSAndrei Emeltchenko L2CAP_EXT_CTRL_REQSEQ_SHIFT; 5520b209faeSAndrei Emeltchenko else 5530b209faeSAndrei Emeltchenko return (ctrl & L2CAP_CTRL_REQSEQ) >> L2CAP_CTRL_REQSEQ_SHIFT; 5540b209faeSAndrei Emeltchenko } 5550b209faeSAndrei Emeltchenko 5560b209faeSAndrei Emeltchenko static inline __u32 __set_reqseq(struct l2cap_chan *chan, __u32 reqseq) 5570b209faeSAndrei Emeltchenko { 5580b209faeSAndrei Emeltchenko if (test_bit(FLAG_EXT_CTRL, &chan->flags)) 5590b209faeSAndrei Emeltchenko return (reqseq << L2CAP_EXT_CTRL_REQSEQ_SHIFT) & 5600b209faeSAndrei Emeltchenko L2CAP_EXT_CTRL_REQSEQ; 5610b209faeSAndrei Emeltchenko else 5620b209faeSAndrei Emeltchenko return (reqseq << L2CAP_CTRL_REQSEQ_SHIFT) & L2CAP_CTRL_REQSEQ; 5630b209faeSAndrei Emeltchenko } 564fb45de7dSAndrei Emeltchenko 565fb45de7dSAndrei Emeltchenko static inline __u16 __get_txseq(struct l2cap_chan *chan, __u32 ctrl) 566fb45de7dSAndrei Emeltchenko { 567fb45de7dSAndrei Emeltchenko if (test_bit(FLAG_EXT_CTRL, &chan->flags)) 568fb45de7dSAndrei Emeltchenko return (ctrl & L2CAP_EXT_CTRL_TXSEQ) >> 569fb45de7dSAndrei Emeltchenko L2CAP_EXT_CTRL_TXSEQ_SHIFT; 570fb45de7dSAndrei Emeltchenko else 571fb45de7dSAndrei Emeltchenko return (ctrl & L2CAP_CTRL_TXSEQ) >> L2CAP_CTRL_TXSEQ_SHIFT; 572fb45de7dSAndrei Emeltchenko } 573fb45de7dSAndrei Emeltchenko 574fb45de7dSAndrei Emeltchenko static inline __u32 __set_txseq(struct l2cap_chan *chan, __u32 txseq) 575fb45de7dSAndrei Emeltchenko { 576fb45de7dSAndrei Emeltchenko if (test_bit(FLAG_EXT_CTRL, &chan->flags)) 577fb45de7dSAndrei Emeltchenko return (txseq << L2CAP_EXT_CTRL_TXSEQ_SHIFT) & 578fb45de7dSAndrei Emeltchenko L2CAP_EXT_CTRL_TXSEQ; 579fb45de7dSAndrei Emeltchenko else 580fb45de7dSAndrei Emeltchenko return (txseq << L2CAP_CTRL_TXSEQ_SHIFT) & L2CAP_CTRL_TXSEQ; 581fb45de7dSAndrei Emeltchenko } 582fb45de7dSAndrei Emeltchenko 583793c2f1cSAndrei Emeltchenko static inline bool __is_sframe(struct l2cap_chan *chan, __u32 ctrl) 584793c2f1cSAndrei Emeltchenko { 585793c2f1cSAndrei Emeltchenko if (test_bit(FLAG_EXT_CTRL, &chan->flags)) 586793c2f1cSAndrei Emeltchenko return ctrl & L2CAP_EXT_CTRL_FRAME_TYPE; 587793c2f1cSAndrei Emeltchenko else 588793c2f1cSAndrei Emeltchenko return ctrl & L2CAP_CTRL_FRAME_TYPE; 589793c2f1cSAndrei Emeltchenko } 590793c2f1cSAndrei Emeltchenko 591793c2f1cSAndrei Emeltchenko static inline __u32 __set_sframe(struct l2cap_chan *chan) 592793c2f1cSAndrei Emeltchenko { 593793c2f1cSAndrei Emeltchenko if (test_bit(FLAG_EXT_CTRL, &chan->flags)) 594793c2f1cSAndrei Emeltchenko return L2CAP_EXT_CTRL_FRAME_TYPE; 595793c2f1cSAndrei Emeltchenko else 596793c2f1cSAndrei Emeltchenko return L2CAP_CTRL_FRAME_TYPE; 597793c2f1cSAndrei Emeltchenko } 598793c2f1cSAndrei Emeltchenko 5997e0ef6eeSAndrei Emeltchenko static inline __u8 __get_ctrl_sar(struct l2cap_chan *chan, __u32 ctrl) 6007e0ef6eeSAndrei Emeltchenko { 6017e0ef6eeSAndrei Emeltchenko if (test_bit(FLAG_EXT_CTRL, &chan->flags)) 6027e0ef6eeSAndrei Emeltchenko return (ctrl & L2CAP_EXT_CTRL_SAR) >> L2CAP_EXT_CTRL_SAR_SHIFT; 6037e0ef6eeSAndrei Emeltchenko else 6047e0ef6eeSAndrei Emeltchenko return (ctrl & L2CAP_CTRL_SAR) >> L2CAP_CTRL_SAR_SHIFT; 6057e0ef6eeSAndrei Emeltchenko } 6067e0ef6eeSAndrei Emeltchenko 6077e0ef6eeSAndrei Emeltchenko static inline __u32 __set_ctrl_sar(struct l2cap_chan *chan, __u32 sar) 6087e0ef6eeSAndrei Emeltchenko { 6097e0ef6eeSAndrei Emeltchenko if (test_bit(FLAG_EXT_CTRL, &chan->flags)) 6107e0ef6eeSAndrei Emeltchenko return (sar << L2CAP_EXT_CTRL_SAR_SHIFT) & L2CAP_EXT_CTRL_SAR; 6117e0ef6eeSAndrei Emeltchenko else 6127e0ef6eeSAndrei Emeltchenko return (sar << L2CAP_CTRL_SAR_SHIFT) & L2CAP_CTRL_SAR; 6137e0ef6eeSAndrei Emeltchenko } 6147e0ef6eeSAndrei Emeltchenko 6157e0ef6eeSAndrei Emeltchenko static inline bool __is_sar_start(struct l2cap_chan *chan, __u32 ctrl) 6167e0ef6eeSAndrei Emeltchenko { 6177e0ef6eeSAndrei Emeltchenko return __get_ctrl_sar(chan, ctrl) == L2CAP_SAR_START; 6187e0ef6eeSAndrei Emeltchenko } 6197e0ef6eeSAndrei Emeltchenko 6207e0ef6eeSAndrei Emeltchenko static inline __u32 __get_sar_mask(struct l2cap_chan *chan) 6217e0ef6eeSAndrei Emeltchenko { 6227e0ef6eeSAndrei Emeltchenko if (test_bit(FLAG_EXT_CTRL, &chan->flags)) 6237e0ef6eeSAndrei Emeltchenko return L2CAP_EXT_CTRL_SAR; 6247e0ef6eeSAndrei Emeltchenko else 6257e0ef6eeSAndrei Emeltchenko return L2CAP_CTRL_SAR; 6267e0ef6eeSAndrei Emeltchenko } 6271da177e4SLinus Torvalds 628ab784b73SAndrei Emeltchenko static inline __u8 __get_ctrl_super(struct l2cap_chan *chan, __u32 ctrl) 629ab784b73SAndrei Emeltchenko { 630ab784b73SAndrei Emeltchenko if (test_bit(FLAG_EXT_CTRL, &chan->flags)) 631ab784b73SAndrei Emeltchenko return (ctrl & L2CAP_EXT_CTRL_SUPERVISE) >> 632ab784b73SAndrei Emeltchenko L2CAP_EXT_CTRL_SUPER_SHIFT; 633ab784b73SAndrei Emeltchenko else 634ab784b73SAndrei Emeltchenko return (ctrl & L2CAP_CTRL_SUPERVISE) >> L2CAP_CTRL_SUPER_SHIFT; 635ab784b73SAndrei Emeltchenko } 636ab784b73SAndrei Emeltchenko 637ab784b73SAndrei Emeltchenko static inline __u32 __set_ctrl_super(struct l2cap_chan *chan, __u32 super) 638ab784b73SAndrei Emeltchenko { 639ab784b73SAndrei Emeltchenko if (test_bit(FLAG_EXT_CTRL, &chan->flags)) 640ab784b73SAndrei Emeltchenko return (super << L2CAP_EXT_CTRL_SUPER_SHIFT) & 641ab784b73SAndrei Emeltchenko L2CAP_EXT_CTRL_SUPERVISE; 642ab784b73SAndrei Emeltchenko else 643ab784b73SAndrei Emeltchenko return (super << L2CAP_CTRL_SUPER_SHIFT) & 644ab784b73SAndrei Emeltchenko L2CAP_CTRL_SUPERVISE; 645ab784b73SAndrei Emeltchenko } 646ab784b73SAndrei Emeltchenko 64703f6715dSAndrei Emeltchenko static inline __u32 __set_ctrl_final(struct l2cap_chan *chan) 64803f6715dSAndrei Emeltchenko { 64903f6715dSAndrei Emeltchenko if (test_bit(FLAG_EXT_CTRL, &chan->flags)) 65003f6715dSAndrei Emeltchenko return L2CAP_EXT_CTRL_FINAL; 65103f6715dSAndrei Emeltchenko else 65203f6715dSAndrei Emeltchenko return L2CAP_CTRL_FINAL; 65303f6715dSAndrei Emeltchenko } 65403f6715dSAndrei Emeltchenko 65503f6715dSAndrei Emeltchenko static inline bool __is_ctrl_final(struct l2cap_chan *chan, __u32 ctrl) 65603f6715dSAndrei Emeltchenko { 65703f6715dSAndrei Emeltchenko if (test_bit(FLAG_EXT_CTRL, &chan->flags)) 65803f6715dSAndrei Emeltchenko return ctrl & L2CAP_EXT_CTRL_FINAL; 65903f6715dSAndrei Emeltchenko else 66003f6715dSAndrei Emeltchenko return ctrl & L2CAP_CTRL_FINAL; 66103f6715dSAndrei Emeltchenko } 662e3781735SAndrei Emeltchenko 663e3781735SAndrei Emeltchenko static inline __u32 __set_ctrl_poll(struct l2cap_chan *chan) 664e3781735SAndrei Emeltchenko { 665e3781735SAndrei Emeltchenko if (test_bit(FLAG_EXT_CTRL, &chan->flags)) 666e3781735SAndrei Emeltchenko return L2CAP_EXT_CTRL_POLL; 667e3781735SAndrei Emeltchenko else 668e3781735SAndrei Emeltchenko return L2CAP_CTRL_POLL; 669e3781735SAndrei Emeltchenko } 670e3781735SAndrei Emeltchenko 671e3781735SAndrei Emeltchenko static inline bool __is_ctrl_poll(struct l2cap_chan *chan, __u32 ctrl) 672e3781735SAndrei Emeltchenko { 673e3781735SAndrei Emeltchenko if (test_bit(FLAG_EXT_CTRL, &chan->flags)) 674e3781735SAndrei Emeltchenko return ctrl & L2CAP_EXT_CTRL_POLL; 675e3781735SAndrei Emeltchenko else 676e3781735SAndrei Emeltchenko return ctrl & L2CAP_CTRL_POLL; 677e3781735SAndrei Emeltchenko } 678bb58f747SGustavo F. Padovan extern int disable_ertm; 679bb58f747SGustavo F. Padovan 680bb58f747SGustavo F. Padovan int l2cap_init_sockets(void); 681bb58f747SGustavo F. Padovan void l2cap_cleanup_sockets(void); 682bb58f747SGustavo F. Padovan 6838c1d787bSGustavo F. Padovan void __l2cap_connect_rsp_defer(struct l2cap_chan *chan); 684dcba0dbaSGustavo F. Padovan int __l2cap_wait_ack(struct sock *sk); 68568983259SGustavo F. Padovan 6869e4425ffSGustavo F. Padovan int l2cap_add_psm(struct l2cap_chan *chan, bdaddr_t *src, __le16 psm); 6879e4425ffSGustavo F. Padovan int l2cap_add_scid(struct l2cap_chan *chan, __u16 scid); 6889e4425ffSGustavo F. Padovan 68923691d75SGustavo F. Padovan struct l2cap_chan *l2cap_chan_create(struct sock *sk); 6900f852724SGustavo F. Padovan void l2cap_chan_close(struct l2cap_chan *chan, int reason); 69123691d75SGustavo F. Padovan void l2cap_chan_destroy(struct l2cap_chan *chan); 69277a74c7eSGustavo F. Padovan int l2cap_chan_connect(struct l2cap_chan *chan); 6939a91a04aSGustavo F. Padovan int l2cap_chan_send(struct l2cap_chan *chan, struct msghdr *msg, size_t len); 694e328140fSMat Martineau void l2cap_chan_busy(struct l2cap_chan *chan, int busy); 695bb58f747SGustavo F. Padovan 6961da177e4SLinus Torvalds #endif /* __L2CAP_H */ 697