- 28 Sep, 2012 5 commits
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Andrei Emeltchenko authored
Add extra check to avoid skb buffer overflow. Fixes crash below: [ 101.030427] ------------[ cut here ]------------ [ 101.030459] kernel BUG at net/core/skbuff.c:127! [ 101.030486] invalid opcode: 0000 [#1] SMP ... [ 101.030806] Pid: 2010, comm: btmrvl_main_ser Not tainted 3.5.0+ #80 Laptop [ 101.030859] EIP: 0060:[<c14f2ba9>] EFLAGS: 00010282 CPU: 0 [ 101.030894] EIP is at skb_put+0x99/0xa0 [ 101.030919] EAX: 00000080 EBX: f129380b ECX: ef923540 EDX: 00000001 [ 101.030956] ESI: f00a4000 EDI: 00001003 EBP: ed4a5efc ESP: ed4a5ecc [ 101.030992] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 101.031024] CR0: 8005003b CR2: 08fca014 CR3: 30960000 CR4: 000407f0 [ 101.031062] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000 [ 101.031100] DR6: ffff0ff0 DR7: 00000400 [ 101.031125] Process btmrvl_main_ser (pid: 2010, ti=ed4a4000 task=ef923540 task.ti=ed4a4000) [ 101.031174] Stack: [ 101.031188] c18126f8 c1651938 f853f8d2 00001003 00001003 f1292800 f1292808 f129380b [ 101.031250] f1292940 f00a4000 eddb1280 efc0f9c0 ed4a5f44 f853f8d2 00000040 00000000 [ 101.031312] ef923540 c15ee096 ef923540 eddb12d4 00000004 f00a4000 00000040 00000000 [ 101.031376] Call Trace: [ 101.031396] [<f853f8d2>] ? btmrvl_sdio_process_int_status+0x272/0x3d0 [btmrvl_sdio] [ 101.031444] [<f853f8d2>] btmrvl_sdio_process_int_status+0x272/0x3d0 [btmrvl_sdio] [ 101.031488] [<c15ee096>] ? _raw_spin_unlock_irqrestore+0x36/0x70 [ 101.031526] [<f85a46e4>] btmrvl_service_main_thread+0x244/0x300 [btmrvl] [ 101.031568] [<f853fb50>] ? btmrvl_sdio_poll_card_status.isra.6.constprop.7+0x90/0x90 [btmrvl_sdio] [ 101.031619] [<c107eda0>] ? try_to_wake_up+0x270/0x270 [ 101.031648] [<f85a44a0>] ? btmrvl_process_event+0x3b0/0x3b0 [btmrvl] [ 101.031686] [<c106d19d>] kthread+0x7d/0x90 [ 101.031713] [<c106d120>] ? flush_kthread_work+0x150/0x150 [ 101.031745] [<c15f5a82>] kernel_thread_helper+0x6/0x10 ... [ 101.032008] EIP: [<c14f2ba9>] skb_put+0x99/0xa0 SS:ESP 0068:ed4a5ecc [ 101.056125] ---[ end trace a0bd01d1a9a796c8 ]--- Signed-off-by:
Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by:
Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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Andrei Emeltchenko authored
The kernel.h macro DIV_ROUND_UP performs the computation (((n) + (d) - 1) / (d)) Signed-off-by:
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Andrei Emeltchenko authored
Make code readable by correcting name from buf_block_len to num_blocks since it represent number of blocks; NOT a length of a block buffer. Signed-off-by:
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Andrei Emeltchenko authored
Correct assoc_len and fix warning for x86-64 by using %zu specifier. Reported-by:
Fengguang Wu <fengguang.wu@intel.com> Signed-off-by:
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Andrei Emeltchenko authored
Correct warnings Reported-by:
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- 27 Sep, 2012 27 commits
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Andrei Emeltchenko authored
Use function to factor out similar code. For BR/EDR send EFS Configuration Response immediately, for HS response will be sent after receiving HCI Logical Link Complete event in the following patches. Signed-off-by:
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Andrei Emeltchenko authored
Use hci_chan as parameter instead of hci_conn as we need logical handle from hci_chan for AMP link. Signed-off-by:
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Andrei Emeltchenko authored
batostr is not needed anymore since for printing Bluetooth addresses we use %pMR specifier. Signed-off-by:
Marcel Holtmann <marcel@holtmann.org> Signed-off-by:
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Andrei Emeltchenko authored
Use new bluetooth address print specifier %pMR for printing bluetooth addresses instead of dedicated variable and baswap. Signed-off-by:
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Andrei Emeltchenko authored
Instead of old unsafe batostr function use %pMR print specifier for printing Bluetooth addresses in sprintf and seq_printf statements. Signed-off-by:
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Andrei Emeltchenko authored
Instead of old unsafe batostr function use %pMR print specifier for printing Bluetooth addresses in debug and error statements. Signed-off-by:
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Jefferson Delfes authored
The unpair process tries to disconnect any connection pending with remote. If there are some connection in connecting state, disconnect command will fail and unpair mgmt command will stay pending. That pending mgmt command can cause strange behavior like automatic unpair after a lost connection. Signed-off-by:
Jefferson Delfes <jefferson.delfes@openbossa.org> Acked-by:
Johan Hedberg <johan.hedberg@intel.com> Signed-off-by:
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Gustavo Padovan authored
We just need to use the right modifiers Signed-off-by: -
Andrei Emeltchenko authored
When receiving HCI Command Status event for Accept Physical Link execute HCI Write Remote AMP Assoc with data saved from A2MP Create Physical Link Request. Signed-off-by:
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Andrei Emeltchenko authored
When receiving A2MP Create Physical Link message execute HCI Accept Physical Link command to AMP controller. Signed-off-by:
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Andrei Emeltchenko authored
Channel Selected event indicates that link information data is available. Read it with Read Local AMP Assoc command. The data shall be sent in the A2MP Create Physical Link Request. Signed-off-by:
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Andrei Emeltchenko authored
When there is no remote AMP controller found fallback to normal L2CAP sequence. Signed-off-by:
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Andrei Emeltchenko authored
When receiving HCI Command Status after HCI Create Physical Link execute HCI Write Remote AMP Assoc command to AMP controller. Signed-off-by:
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Andrei Emeltchenko authored
When receiving A2MP Get AMP Assoc Response execute HCI Create Physical Link to AMP controller. Define function which will run when receiving HCI Command Status. Signed-off-by:
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Andrei Emeltchenko authored
Function calculates AMP keys using hmac_sha256 helper. Calculated keys are Generic AMP Link Key (gamp) and Dedicated AMP Link Key with keyID "802b" for 802.11 PAL. Signed-off-by:
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Dmitry Kasatkin authored
hmac(sha256) will be used for AMP key generation. Signed-off-by:
Dmitry Kasatkin <dmitry.kasatkin@intel.com> Signed-off-by:
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Andrei Emeltchenko authored
Choose which L2CAP connection to establish by checking support for HS and remote side supported features. Signed-off-by:
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Andrei Emeltchenko authored
When receiving A2MP Get AMP Assoc Response save assoc data to remote AMP controller list and prepare for creating physical link. Signed-off-by:
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Andrei Emeltchenko authored
Process A2MP Getinfo Response, send Get AMP Assoc Req. Signed-off-by:
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Andrei Emeltchenko authored
Use hci_conn structure to keep track about AMP physical connections. Signed-off-by:
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Andrei Emeltchenko authored
Create remote AMP controllers structure. It is used to keep information about discovered remote AMP controllers by A2MP protocol. Signed-off-by:
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Andrei Emeltchenko authored
Define physical link structures. Physical links are represented by hci_conn structure. For BR/EDR we use type ACL_LINK and for AMP we use AMP_LINK. Signed-off-by:
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Andrei Emeltchenko authored
When receiving A2MP Discover Response send A2MP Get Info Request for each AMP controller in the discovery list. Signed-off-by:
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Andrei Emeltchenko authored
When receiving A2MP Get AMP Assoc Request execute Read Local AMP Assoc HCI command to AMP controller. If the AMP Assoc data is larger than it can fit to HCI event only fragment is read. When all fragments are read send A2MP Get AMP Assoc Response. Signed-off-by:
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Andrei Emeltchenko authored
When receiving A2MP Get Info Request execute Read Local AMP Info HCI command to AMP controller with function to be executed upon receiving command complete event. Function will handle A2MP Get Info Response. Signed-off-by:
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Andrei Emeltchenko authored
Create amp_mgr_list global list which will be used by different hci devices to find amp_mgr. Signed-off-by:
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Andrei Emeltchenko authored
Add a few definitions to hci.h Signed-off-by:
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- 24 Sep, 2012 8 commits
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Chun-Yeow Yeoh authored
Hardware support for MFP is not available in ath5k. Thus, this implementation allows the mac80211 stack to do the actuall crypto operation. Signed-off-by:
Chun-Yeow Yeoh <yeohchunyeow@gmail.com> Signed-off-by:
John W. Linville <linville@tuxdriver.com>
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Christian Lamparter authored
Previously, it was not possible to connect to networks which requires 11w to be supported by the stations. While the documentation hints that there's some hardware support for offloading MFP "decryption", this simple implementation relies on the mac80211 stack to do the actual crypto operations. Signed-off-by:
Christian Lamparter <chunkeey@googlemail.com> Signed-off-by:
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Christian Lamparter authored
Previously, it was not possible to connect to networks which requires 11w to be supported by the stations. Note: As all current (and old) firmwares corrupt incoming, protected management frames, the decryption offloading needs to be disabled. This will be done automatically if needed. Signed-off-by:
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Johannes Berg authored
Instead of copying from a constant array (which is still needed for other purposes) Signed-off-by:
Johannes Berg <johannes.berg@intel.com> Signed-off-by:
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Paul Bolle authored
Building the libipw component without CONFIG_LIBIPW_DEBUG set triggers this GCC warning: drivers/net/wireless/ipw2x00/libipw_wx.c:526:21: warning: unused variable 'dev' [-Wunused-variable] The cause of this warning is that, without CONFIG_LIBIPW_DEBUG set, LIBIPW_DEBUG_WX compiles away. Fix it by substituting ieee->dev for (its equivalent) dev. Signed-off-by:Paul Bolle <pebolle@tiscali.nl> Signed-off-by:
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Rafał Miłecki authored
Signed-off-by:
Rafał Miłecki <zajec5@gmail.com> Tested-by:
Jack <x6719620@gmail.com> Signed-off-by:
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Amitkumar Karwar authored
Currently scan operation is delayed/aborted based on Tx traffic consistency. This decision is taken after receiving scan response of first scan command from FW. But when heavy traffic is running, we can not even afford to send first scan command and go off channel for 30msec. We will block scan request in this case. Signed-off-by:
Amitkumar Karwar <akarwar@marvell.com> Signed-off-by:
Bing Zhao <bzhao@marvell.com> Signed-off-by:
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Amitkumar Karwar authored
By default, device is disconnected before entering suspend state. User can keep the connection alive by using module parameter "disconect_on_suspend=0". Signed-off-by:
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