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2012-06-05Bluetooth: Allow only one LE connection attemptAndrzej Kaczmarek1-0/+5
Only one outgoing LE connection attempt should be possible. hci_connect() will now return -EBUSY in case there's another pending outgoing connection. Signed-off-by: Andrzej Kaczmarek <andrzej.kaczmarek@tieto.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-06-05Bluetooth: Remove unused err var from l2cap_segment_sdu()Gustavo Padovan1-2/+1
Trivial fix, let the code cleaner. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Reviewed-by: Mat Martineau <mathewm@codeaurora.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2012-06-05Bluetooth: Create function to return the ERTM header sizeGustavo Padovan1-14/+11
Simplify the handling of different ERTM header size. We were the same check in some places of the code, and more is expected to come, so just replace them with a function. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Acked-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2012-06-05Bluetooth: Make l2cap_att_channel return voidAndrei Emeltchenko1-5/+3
l2cap_att_channel always returns 0 which is not used. Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-06-05Bluetooth: Make l2cap_conless_channel return voidAndrei Emeltchenko1-4/+3
l2cap_conless_channel always return 0 which is not used. Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-06-05Bluetooth: Make l2cap_data_channel return voidAndrei Emeltchenko1-5/+4
l2cap_data_channel always return 0 which is not used anywhere, make it void function. Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-06-05Bluetooth: A2MP: Do not reference hci_connAndrei Emeltchenko2-3/+3
Make A2MP channel special channel which do not reference hci_conn. This prevents from keeping ACL connection open when all L2CAP channels got closed. hci_conn_hold and hci_conn_put are not reference counts on the hci_conn structure in the typical way. They are reference counts for the ACL. When you do the last hci_conn_put, the ACL is disconnected after a timeout. Reported-by: Mat Martineau <mathewm@codeaurora.org> Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-06-05Bluetooth: Do not check func ready existenceAndrei Emeltchenko1-2/+1
Functions will be always defined and in case not implemented as dummy __no_func. Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-06-05Bluetooth: A2MP: Manage incoming connectionsAndrei Emeltchenko2-4/+31
Handle incoming A2MP connection by creating AMP manager and processing A2MP messages. Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-06-05Bluetooth: A2MP: Handling fixed channelsAndrei Emeltchenko2-2/+18
A2MP fixed channel do not have sk Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-06-05Bluetooth: A2MP: Process A2MP Command ResponsesAndrei Emeltchenko1-0/+12
Process A2MP responses, print cmd code and ident for now. Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-06-05Bluetooth: A2MP: Process A2MP Disc Physlink RequestAndrei Emeltchenko1-0/+36
Placeholder for A2MP Disconnect Physlink Request. Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-06-05Bluetooth: A2MP: Process A2MP Create Physlink RequestAndrei Emeltchenko1-0/+40
Placeholder for A2MP Create Physlink Request. Handles requests with invalid controler id as shown below: ... > ACL data: handle 11 flags 0x02 dlen 50 A2MP: Create Physical Link req: local id 1 remote id 85 Assoc data: <skipped> < ACL data: handle 11 flags 0x00 dlen 15 A2MP: Create Physical Link rsp: local id 85 remote id 1 status 1 Invalid Controller ID ... Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-06-05Bluetooth: A2MP: Process A2MP Get AMP Assoc RequestAndrei Emeltchenko1-0/+35
Example trace when receiving AMP Assoc Request with wrong AMP id. ... > ACL data: handle 11 flags 0x02 dlen 13 A2MP: Get AMP Assoc req: id 238 < ACL data: handle 11 flags 0x00 dlen 14 A2MP: Get AMP Assoc rsp: id 238 status (1) Invalid Controller ID assoc data: ... Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-06-05Bluetooth: A2MP: Process A2MP Get Info RequestAndrei Emeltchenko1-0/+37
Process A2MP Get Info Request. Example of trace log for invalid controller id is shown below: ... > ACL data: handle 11 flags 0x02 dlen 13 A2MP: Get Info req: id 238 < ACL data: handle 11 flags 0x00 dlen 30 A2MP: Get Info rsp: id 238 status (1) Invalid Controller ID ... Note that If the Status field is set to Invalid Controller ID all subsequent fields in the AMP Get Info Response shall be ignored by the receiver. Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-06-05Bluetooth: A2MP: Process A2MP Change NotifyAndrei Emeltchenko1-0/+19
Placeholder for A2MP Change Notify handler. Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-06-05Bluetooth: A2MP: Process A2MP Discover RequestAndrei Emeltchenko1-0/+85
Adds helper functions to count HCI devs and process A2MP Discover Request, code makes sure that first controller in the list is BREDR one. Trace is shown below: ... > ACL data: handle 11 flags 0x02 dlen 16 A2MP: Discover req: mtu/mps 670 mask: 0x0000 < ACL data: handle 11 flags 0x00 dlen 22 A2MP: Discover rsp: mtu/mps 670 mask: 0x0000 Controller list: id 0 type 0 (BR-EDR) status 0x01 (Bluetooth only) id 1 type 1 (802.11 AMP) status 0x01 (Bluetooth only) ... Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-06-05Bluetooth: A2MP: Process A2MP Command RejectAndrei Emeltchenko1-0/+19
Placeholder for future A2MP Command Reject handler. Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-06-05Bluetooth: A2MP: Process A2MP messagesAndrei Emeltchenko1-0/+65
Implement basic processing for AMP Manager Protocol (A2MP). Example below shows processing unrecognized command. ... > ACL data: handle 11 flags 0x02 dlen 12 A2MP: code 0x00 ident 3 len 0 < ACL data: handle 11 flags 0x00 dlen 14 A2MP: Command Reject: reason (0) - Command not recognized ... Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-06-05Bluetooth: A2MP: Add chan callbacksAndrei Emeltchenko1-0/+55
Add L2CAP chan ops callbacks. Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-06-05Bluetooth: A2MP: Build and Send msg helpersAndrei Emeltchenko1-0/+46
Helper function to build and send A2MP messages. Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-06-05Bluetooth: A2MP: AMP Manager basic functionsAndrei Emeltchenko2-0/+58
Define AMP Manager and some basic functions. Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-06-05Bluetooth: A2MP: Create A2MP channelAndrei Emeltchenko3-4/+74
Create and initialize fixed A2MP channel Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-06-05Bluetooth: trivial: Use defined PSMLEN instead of magicAndrei Emeltchenko1-1/+1
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-06-05Bluetooth: check for already existent channel before create new oneGustavo Padovan1-9/+4
Move this check to before the channel time creation simplifies the code and avoid memory allocation if the channel already exist. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Acked-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2012-06-05Bluetooth: Move check for backlog size to l2cap_sock.cGustavo Padovan2-12/+6
Remove socket specific code from l2cap_core.c Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Acked-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2012-06-05Bluetooth: Use chan->state instead of sk->sk_stateGustavo Padovan1-7/+2
These vars are kept in sync so we can use chan->state here. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2012-06-05Bluetooth: Add l2cap_chan->ops->ready()Andrei Emeltchenko2-15/+24
This move socket specific code to l2cap_sock.c. Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2012-06-05Bluetooth: Move clean up code and set of SOCK_ZAPPED to l2cap_sock.cAndrei Emeltchenko2-46/+70
This remove a bit more of socket code from l2cap core, this calls set the SOCK_ZAPPED and do some clean up depending on the socket state. Reported-by: Mat Martineau <mathewm@codeaurora.org> Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2012-06-05Bluetooth: Use chan as parameters for l2cap chan opsGustavo Padovan2-23/+23
Use chan instead of void * makes more sense here. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2012-06-05Bluetooth: Really fix registering hci with duplicate nameSasha Levin1-17/+24
Commit fc50744 ("Bluetooth: Fix registering hci with duplicate name") didn't fully fix the duplicate naming issue with devices, and duplicate device names could still be created: [ 142.484097] device: 'hci1': device_add [...] [ 150.545263] device: 'hci1': device_add [ 150.550128] kobject: 'hci1' (ffff880014cc4e58): kobject_add_internal: parent: 'bluetooth', set: 'devices' [ 150.558979] ------------[ cut here ]------------ [ 150.561438] WARNING: at fs/sysfs/dir.c:529 sysfs_add_one+0xb0/0xd0() [ 150.572974] Hardware name: Bochs [ 150.580502] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci1' [ 150.584444] Pid: 7563, comm: trinity-child1 Tainted: G W 3.4.0-next-20120524-sasha #296 [...] Instead of the weird logic and the attempt at keeping the device list sorted, just use an IDA. Signed-off-by: Sasha Levin <levinsasha928@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2012-06-05Bluetooth: Use l2cap_chan_ready() in LE pathGustavo Padovan1-4/+1
This replace code in l2cap_le_conn_ready() by a similar code in l2cap_chan_ready(). Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2012-06-05Bluetooth: Remove extra l2cap_state_change(BT_CONNECTED)Gustavo Padovan1-3/+0
This is already performed inside l2cap_chan_ready(), so we don't need it here again. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Acked-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2012-06-05Bluetooth: Get a more accurate L2CAP PDU lenGustavo Padovan1-1/+7
Both FCS and Extended header might be or might not be present in a ERTM channel. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Reviewed-by: Mat Martineau <mathewm@codeaurora.org> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2012-06-05Bluetooth: Use __constant modifier in HCI codeAndrei Emeltchenko3-22/+22
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2012-06-05Bluetooth: Use __constant when dealing with constantsAndrei Emeltchenko1-27/+27
__constant_cpu_to_le16() is the right go here. Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-06-05Bluetooth: Define and use PSM identifiersAndrei Emeltchenko2-4/+4
Define assigned Protocol and Service Multiplexor (PSM) identifiers and use them instead of magic numbers. Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-06-05Bluetooth: Use lmp_ssp_capable() macroGustavo Padovan1-1/+1
Make the check more user friendly. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2012-06-05Bluetooth: Send a configuration request after security confirmationMat Martineau1-0/+11
Sometimes an ACL link must be raised to a higher security level after an L2CAP connection is requested, but before a connection response is sent. In this case, a connection response sent by L2CAP was not immediately followed by a configuration request. Other code paths do send this configuration request right away. It was possible for the connection to stall while L2CAP waited for the remote device (like PTS) to trigger the configuration process. Here is an abbreviated hcidump of the failure case with PTS: 1337806446.051982 > ACL data: handle 43 flags 0x02 dlen 10 L2CAP(s): Info req: type 2 1337806446.052050 < ACL data: handle 43 flags 0x00 dlen 16 L2CAP(s): Info rsp: type 2 result 0 Extended feature mask 0x000000b8 1337806446.595320 > ACL data: handle 43 flags 0x02 dlen 12 L2CAP(s): Connect req: psm 4097 scid 0x0041 1337806446.595673 < ACL data: handle 43 flags 0x00 dlen 16 L2CAP(s): Connect rsp: dcid 0x0040 scid 0x0041 result 1 status 0 1337806446.595679 < ACL data: handle 43 flags 0x00 dlen 10 L2CAP(s): Info req: type 2 1337806446.669835 > ACL data: handle 43 flags 0x02 dlen 16 L2CAP(s): Info rsp: type 2 result 0 Extended feature mask 0x00000028 1337806446.669899 < HCI Command: Authentication Requested (0x01|0x0011) plen 2 1337806446.669906 < ACL data: handle 43 flags 0x00 dlen 16 L2CAP(s): Connect rsp: dcid 0x0040 scid 0x0041 result 1 status 1 <security setup here> 1337806446.769888 < ACL data: handle 43 flags 0x00 dlen 16 L2CAP(s): Connect rsp: dcid 0x0040 scid 0x0041 result 0 status 0 At this point, the connection stalls and no further messages are sent on the L2CAP signaling channel. No data is received either. If we immediately send a configuration request after a successful connect response, the connection completes: 1337724090.041162 > ACL data: handle 43 flags 0x02 dlen 10 L2CAP(s): Info req: type 2 1337724090.041236 < ACL data: handle 43 flags 0x00 dlen 16 L2CAP(s): Info rsp: type 2 result 0 Extended feature mask 0x000000b8 1337724090.597128 > ACL data: handle 43 flags 0x02 dlen 12 L2CAP(s): Connect req: psm 4097 scid 0x0041 1337724090.597236 < ACL data: handle 43 flags 0x00 dlen 16 L2CAP(s): Connect rsp: dcid 0x0040 scid 0x0041 result 1 status 0 1337724090.597244 < ACL data: handle 43 flags 0x00 dlen 10 L2CAP(s): Info req: type 2 1337724090.660842 > ACL data: handle 43 flags 0x02 dlen 16 L2CAP(s): Info rsp: type 2 result 0 Extended feature mask 0x00000028 1337724090.660926 < HCI Command: Authentication Requested (0x01|0x0011) plen 2 1337724090.660934 < ACL data: handle 43 flags 0x00 dlen 16 L2CAP(s): Connect rsp: dcid 0x0040 scid 0x0041 result 1 status 1 <security setup here> 1337724090.755162 < ACL data: handle 43 flags 0x00 dlen 16 L2CAP(s): Connect rsp: dcid 0x0040 scid 0x0041 result 0 status 0 1337724090.755171 < ACL data: handle 43 flags 0x00 dlen 23 L2CAP(s): Config req: dcid 0x0041 flags 0x00 clen 11 1337724091.361847 > ACL data: handle 43 flags 0x02 dlen 29 L2CAP(s): Config rsp: scid 0x0040 flags 0x00 result 0 clen 15 1337724091.863808 > ACL data: handle 43 flags 0x02 dlen 23 L2CAP(s): Config req: dcid 0x0040 flags 0x00 clen 11 1337724091.863882 < ACL data: handle 43 flags 0x00 dlen 29 L2CAP(s): Config rsp: scid 0x0041 flags 0x00 result 0 clen 15 1337724092.683745 > ACL data: handle 43 flags 0x02 dlen 12 L2CAP(d): cid 0x0040 len 8 [psm 4097] 0000: 00 00 11 22 33 44 34 2f ..."3D4/ Signed-off-by: Mat Martineau <mathewm@codeaurora.org> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2012-06-05Bluetooth: Define L2CAP conf continuation flagAndrei Emeltchenko1-5/+5
Define Continuation flag which the only flag used from Flags field in L2CAP Configuration Request and Response. Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2012-06-05Bluetooth: Remove unneeded EXPORT_SYMBOLGustavo Padovan2-9/+0
After l2cap, sco and bluetooth modules merge some symbols doesn't need to be exported anymore. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2012-06-05Bluetooth: Remove unnecessary headers includeGustavo Padovan20-249/+14
Most of the include were unnecessary or already included by some other header. Replace module.h by export.h where possible. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2012-06-05Bluetooth: Fix coding style in the subsystemGustavo Padovan8-27/+48
This is some leftover from the last patches that fixed style. It is mostly line over 80 characters fixes reported by checkpatch.pl. checkpatch.pl is clean for these files now. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2012-06-05Bluetooth: Remove 'register' usage from the subsystemGustavo Padovan3-3/+3
Let the compiler chooses what is best. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2012-06-05Bluetooth: Remove most of the inline usageGustavo Padovan10-126/+104
Only obvious cases were left as inline, mostly oneline functions. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2012-06-05Bluetooth: trivial: Remove empty lineAndrei Emeltchenko1-1/+0
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2012-06-05Bluetooth: Preserve L2CAP flags valuesAndrei Emeltchenko1-2/+2
Previous callers of l2cap_build_conf_rsp in l2cap_config_req use flags instead of continuation flag hardcoded value. It does not change logic and preserve future possible flags. Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2012-06-05Bluetooth: Use defined link key sizeAndrei Emeltchenko3-3/+3
Remove magic number with defined link key size. Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2012-06-05Bluetooth: Rename HCI_QUIRK_NO_RESET to HCI_QUIRK_RESET_ON_CLOSESzymon Janc1-2/+2
HCI_QUIRK_NO_RESET name is misleading - purpose of this quirk is to reset device on close instead of init, not to not reset at all. Rename it to HCI_QUIRK_RESET_ON_CLOSE to avoid confusion. Signed-off-by: Szymon Janc <szymon.janc@tieto.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2012-06-05Bluetooth: Remove dead int returnsGustavo Padovan1-32/+16
These functions were returning always 0, we just make then void. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Reviewed-by: Mat Martineau <mathewm@codeaurora.org> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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