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struct l2cap_chan has now its own refcnt that is compatible with the
socket refcnt, i.e., we won't see sk_refcnt = 0 and chan->refcnt > 0.
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Now socket state is tracked by struct sock and channel state is tracked by
chan->state. At this point both says the same, but this is going to change
when we add AMP Support for example.
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Add an abstraction layer between L2CAP core and its users (only
l2cap_sock.c now). The first function implemented is new_connection() that
replaces calls to l2cap_sock_alloc() in l2cap_core.c
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Some old hci controllers do not accept any mask so leave the
default mask on for these devices.
< HCI Command: Set Event Mask (0x03|0x0001) plen 8
Mask: 0xfffffbff00000000
> HCI Event: Command Complete (0x0e) plen 4
Set Event Mask (0x03|0x0001) ncmd 1
status 0x12
Error: Invalid HCI Command Parameters
Signed-off-by: Ville Tervo <ville.tervo@nokia.com>
Tested-by: Corey Boyle <corey@kansanian.com>
Tested-by: Ed Tomlinson <edt@aei.ca>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
shutdown should wait for SCO link to be properly disconnected before
detroying the socket, otherwise an application using the socket may
assume link is properly disconnected before it really happens which
can be a problem when e.g synchronizing profile switch.
Signed-off-by: Luiz Augusto von Dentz <luiz.dentz-von@nokia.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Enabling DEBUG_STRICT_USER_COPY_CHECKS causes the following
warning:
In function 'copy_from_user',
inlined from 'rfcomm_sock_setsockopt' at
net/bluetooth/rfcomm/sock.c:705:
arch/x86/include/asm/uaccess_64.h:65:
warning: call to 'copy_from_user_overflow' declared with
attribute warning: copy_from_user() buffer size is not provably
correct
presumably due to buf_size being signed causing GCC to fail to
see that buf_size can't become negative.
Cc: Marcel Holtmann <marcel@holtmann.org>
Cc: Gustavo F. Padovan <padovan@profusion.mobi>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Structures "l2cap_conninfo" and "rfcomm_conninfo" have one padding
byte each. This byte in "cinfo" is copied to userspace uninitialized.
Signed-off-by: Filip Palian <filip.palian@pjwstk.edu.pl>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Local busy is encoded in a bitfield, but was not masked out correctly.
Signed-off-by: Mat Martineau <mathewm@codeaurora.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
When code was moved from l2cap_core.c to l2cap_sock.c in commit
6de0702b5b, one line was dropped
from the old __l2cap_sock_close() implementation. This sk_state
change should still be in l2cap_chan_close().
Signed-off-by: Mat Martineau <mathewm@codeaurora.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
If the link key is secure (authenticated or combination 16 digit)
the sec_level will be always BT_SECURITY_HIGH. Therefore, instead
of checking the link key type simply check the sec_level on the link.
Signed-off-by: Waldemar Rymarkiewicz <waldemar.rymarkiewicz@tieto.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Add BT_POWER socket option used to control the power
characteristics of the underlying ACL link. When the remote end
has put the link in sniff mode and the host stack wants to send
data we need need to explicitly exit sniff mode to work well with
certain devices (For example, A2DP on Plantronics Voyager 855).
However, this causes problems with HID devices.
Hence, moving into active mode when sending data, irrespective
of who set the sniff mode has been made as a socket option. By
default, we will move into active mode. HID devices can set the
L2CAP socket option to prevent this from happening.
Currently, this has been implemented for L2CAP sockets. This has been
tested with incoming and outgoing L2CAP sockets for HID and A2DP.
Based on discussions on linux-bluetooth and patches submitted by
Andrei Emeltchenko.
Signed-off-by: Jaikumar Ganesh <jaikumar@google.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
As we cannot relay on a userspace mgmt api implementation we should verify
if pin_code_reply in fact contains the secure pin code.
If userspace replied with unsecure pincode when secure was required we will
send pin_code_neg_reply to the controller.
Signed-off-by: Waldemar Rymarkiewicz <waldemar.rymarkiewicz@tieto.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
sparse complains about a few things that should
be static.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Set the 'peer_addr_type' field of the LE Create Connection command
sent in hci_le_connect().
Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Acked-by: Ville Tervo <ville.tervo@nokia.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
When connecting to a LE device, we need to check the advertising
cache in order to know the address type of that device.
If its advertising entry is not found, the connection is not
established and hci_connect() returns error.
Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Acked-by: Ville Tervo <ville.tervo@nokia.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
There is no need to check the connection's state since hci_conn_add()
has just created a new connection and its state has been set properly.
Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Acked-by: Ville Tervo <ville.tervo@nokia.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
This patch adds a new field (dst_type) to the struct hci_conn which
holds the type of the destination address (bdaddr_t dst). This
approach is needed in order to use the struct hci_conn as an
abstraction of LE connections in HCI Layer. For non-LE this field
is ignored.
This patch also set properly the 'dst_type' field after initializing
LE hci_conn structures.
Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Replace if(conn) with if(!conn) checking to avoid too many nested statements
Signed-off-by: Waldemar Rymarkiewicz <waldemar.rymarkiewicz@tieto.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Legacy devices don't re-authenticate the link properly if a link key
already exists. Thus, don't update sec_level for this case even if
hci_auth_complete_evt indicates success. Otherwise the sec_level will
not reflect a real security on the link.
Signed-off-by: Waldemar Rymarkiewicz <waldemar.rymarkiewicz@tieto.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
This patch adds a timer to clear 'adv_entries' after three minutes.
After some amount of time, the advertising entries cached during
the last LE scan should be considered expired and they should be
removed from the advertising cache.
It was chosen a three minutes timeout as an initial attempt. This
value might change in future.
Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
The LE advertising cache should be cleared before performing a LE
scanning. This will force the cache to contain only fresh advertising
entries.
Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
This patch adds a function to handle LE Advertising Report Meta
Events.
Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Signed-off-by: Anderson Briglia <anderson.briglia@openbossa.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
This patch implements the LE advertising cache. It stores sensitive
information (bdaddr and bdaddr_type so far) gathered from LE
advertising report events.
Only advertising entries from connectables devices are added to the
cache.
Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
The call to l2cap_chan_clear_timer() is not really needed in l2cap_sock.c.
This patch also adds a call to l2cap_chan_clear_timer() to the only place
in __l2cap_sock_close() that wasn't calling it. It's safe call it there
because l2cap_chan_clear_timer() check first for timer_peding().
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
The new timer does not belong to struct sock, tought it still touch some
sock things, but this will be sorted out soon.
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
chan_type says if our chan is raw(direclty access to HCI),
connection less or connection oriented.
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
This move all the sending logic to l2cap_core.c, but we still have a
socket dependence there, struct msghdr. It will be removed in some of the
further commits.
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
This is actually __l2cap_sock_close() renamed to __l2cap_chan_close().
At a first look it may not make sense, but with the further cleanups that
will come it will.
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
The get_connections function has no need to use hci_dev_list_lock. The
code was there probably because of a copy-paste mistake.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
In L2CAP_SDU_UNSEGMENTED case, if sock_queue_rcv_skb returns error,
l2cap_ertm_reassembly_sdu should not return 0 so as to insert the
skb into BUSY_QUEUE for later retries.
Signed-off-by: Ruiyi Zhang <Ruiyi.Zhang@Atheros.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Some devices support BT/WLAN co-existence algorigthms.
In order not to harm the system performance and user experience, the device
requests not to allow any RX BA session and tear down existing RX BA sessions
based on system constraints such as periodic BT activity that needs to limit
WLAN activity (eg.SCO or A2DP).
In such cases, the intention is to limit the duration of the RX PPDU and
therefore prevent the peer device to use A-MPDU aggregation.
Adding ieee80211_stop_rx_ba_session() callback
that can be used by the driver to stop existing BA sessions.
Signed-off-by: Shahar Levi <shahar_levi@ti.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This partially reverts 1c5cae815d, because
the netdev name is copied into sdata->name, which is used for debugging
messages, for example. Otherwise, we get messages like this:
wlan%d: authenticated
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
Cc: Jiri Pirko <jpirko@redhat.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: "John W. Linville" <linville@tuxdriver.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
The channel survey information will be empy for
disabled channels so simply discard those entries.
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Found several threads about fixed rate mode in minstrel_ht for test
environments, but no patches for it.
This patch provides such a mode through debugfs.
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This adds dump support to testmode. The testmode
dump support in nl80211 requires using two of the
six cb->args, the rest can be used by the driver
to figure out where the dump position is at or to
store other data across invocations.
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
read_lock() ... read_unlock_bh() is clearly bogus.
This was broken by
commit 23691d75cd
Author: Gustavo F. Padovan <padovan@profusion.mobi>
Date: Wed Apr 27 18:26:32 2011 -0300
Bluetooth: Remove l2cap_sk_list
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Commit 0a35d36 ("cfg80211: Use capability info to detect mesh beacons")
assumed that probe response with both ESS and IBSS bits cleared
means that the frame was sent by a mesh sta.
However, these capabilities are also being used in the p2p_find phase,
and the mesh-validation broke it.
Rename the WLAN_CAPABILITY_IS_MBSS macro, and verify that mesh ies
exist before assuming this frame was sent by a mesh sta.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Ingo Molnar noticed that we have this unnecessary ratelimit.h
dependency in linux/net.h, which hid compilation problems from
people doing builds only with CONFIG_NET enabled.
Move this stuff out to a seperate net/net_ratelimit.h file and
include that in the only two places where this thing is needed.
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Ingo Molnar <mingo@elte.hu>
