Commit Graph

334672 Commits

Author SHA1 Message Date
Samuel Ortiz
f31652a58b NFC: Purge LLCP socket Tx queues when being disconnected
The Tx queues are no longer valid when we receive a disconnection or when
the LLCP link goes down. In the later case we also purge the entire local
Tx queue.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-10-26 18:26:53 +02:00
Kees Cook
f152218840 NFC: Remove CONFIG_EXPERIMENTAL from the NCI Makefile
This config item has not carried much meaning for a while now and is
almost always enabled by default. As agreed during the Linux kernel
summit, remove it.

Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-10-26 18:26:53 +02:00
Kees Cook
54720c301a NFC: Remove CONFIG_EXPERIMENTAL from the LLCP Makefile
This config item has not carried much meaning for a while now and is
almost always enabled by default. As agreed during the Linux kernel
summit, remove it.

Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-10-26 18:26:52 +02:00
Kees Cook
deccb2a207 NFC: Remove CONFIG_EXPERIMENTAL
This config item has not carried much meaning for a while now and is
almost always enabled by default. As agreed during the Linux kernel
summit, remove it.

Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-10-26 18:26:52 +02:00
Szymon Janc
0f45077222 NFC: Fix some code style and whitespace issues
Signed-off-by: Szymon Janc <szymon.janc@tieto.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-10-26 18:26:52 +02:00
Samuel Ortiz
7eda8b8e96 NFC: Use IDR library to assing NFC devices IDs
As a consequence the NFC device IDs won't be increasing all the time,
as IDR provides the first available ID.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-10-26 18:26:51 +02:00
Waldemar Rymarkiewicz
ab34a1813c NFC: pn533: Remove unused arg parameter
Get rid of unused arg param in pn533_init_target_complete and
in pn533_start_poll_complete.

Signed-off-by: Waldemar Rymarkiewicz <waldemar.rymarkiewicz@tieto.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-10-26 18:26:51 +02:00
Waldemar Rymarkiewicz
82dec34df6 NFC: pn533: Fix in/out frame buffer allocation
Max frame size should be 264 bytes as per spec and not limited to
endpoint MaxPacketSize which is 64 in my case (acr122 reader).

Signed-off-by: Waldemar Rymarkiewicz <waldemar.rymarkiewicz@tieto.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-10-26 18:26:51 +02:00
Samuel Ortiz
a8df0f3792 NFC: Return NULL when no LLCP socket for a dsap,ssap couple is found
The previous code was always returning the last socket from the
LLCP socket list.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-10-26 18:26:51 +02:00
Samuel Ortiz
b874dec21d NFC: Implement LLCP connection less Tx path
It simply involves getting the client dsap and ssap and calling the UI
frame building and sending routine.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-10-26 18:26:51 +02:00
Samuel Ortiz
94f418a206 NFC: UI frame sending routine implementation
UI frames still need to follow the MIU rule, and they need to use the
client passed dsap as the listening socket dsap is stuck on SDP.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-10-26 18:26:50 +02:00
Samuel Ortiz
31ca61a8df NFC: Forward LLCP datagrams to userspace
With connection less PDUs we have to send the SSAP and DSAP as well.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-10-26 18:26:50 +02:00
Samuel Ortiz
968272bf00 NFC: Handle LLCP UI frames
UI (Unnumbered Information) frames are used for sending data over
connection less links.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-10-26 18:26:50 +02:00
Samuel Ortiz
c8512be63b NFC: Keep connection less bound sockets alive when DEP link goes down
When DEP goes down, bound cl sockets can be kept alive as there is no
reason to kill a connection less server socket because the LLCP link
went down.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-10-26 18:26:50 +02:00
Samuel Ortiz
54292d64e1 NFC: Check for connection less sockets when looking for a service name
Connection less server sockets will be in BOUND state, not LISTEN.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-10-26 18:26:49 +02:00
Samuel Ortiz
e6904081dd NFC: Reserve LLCP ssap when replying to an SNL frame
Replying to an SNL (Service Name Lookup) means that the other end of
the link can now rely on our answer (Which is an ssap) and thus we have
to reserve it.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-10-26 18:26:49 +02:00
Arron Wang
984d334f28 NFC: Fix sparse warnings due to missing static
Signed-off-by: Arron Wang <arron.wang@intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-10-26 18:26:49 +02:00
Szymon Janc
874934f4d4 NFC: Fix style issues with logical operations
Logical continuations should be on the previous line.

Signed-off-by: Szymon Janc <szymon.janc@tieto.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-10-26 18:26:49 +02:00
Szymon Janc
0250ffc578 NFC: Fix not propagating return code in nfc_hci_clear_all_pipes
Return code from nfc_hci_execute_cmd was not propagated to caller.

Signed-off-by: Szymon Janc <szymon.janc@tieto.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-10-26 18:26:49 +02:00
Szymon Janc
80e4232ecb NFC: Small nfc_hci_create_pipe refactoring
Check for error and return if any. This makes it easier to see what is
a 'positive' function flow.

Signed-off-by: Szymon Janc <szymon.janc@tieto.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-10-26 18:26:48 +02:00
Szymon Janc
36b05114d1 NFC: Remove unneeded LLCP function return calls
There is no need for return statement at the end of function returning
void.

Signed-off-by: Szymon Janc <szymon.janc@tieto.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-10-26 18:26:48 +02:00
Szymon Janc
f9fc36f46f NFC: Remove not needed local variable in nci_set_local_general_bytes
No need for local rc variable as result of nci_request can be returned
directly.

Signed-off-by: Szymon Janc <szymon.janc@tieto.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-10-26 18:26:48 +02:00
Szymon Janc
460d8f970e NFC: Use NFC_MAX_GT_LEN to check len in nci_set_local_general_bytes
local_gb is of size NFC_MAX_GT_LEN and len is used as index for it.
Check len against this instead of NCI_MAX_PARAM_LEN before accessing
local_gb.

Signed-off-by: Szymon Janc <szymon.janc@tieto.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-10-26 18:26:48 +02:00
Thierry Escande
7ad39395ab NFC: Add NFC_ATTR_RF_MODE when sending device netlink properties
This is useful when getting devices to know if they're in target or
initiator mode.

Signed-off-by: Thierry Escande <thierry.escande@linux.intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-10-26 18:26:48 +02:00
Thierry Escande
5bcf099c17 NFC: Set rf_mode to NFC_RF_NONE where necessary
rf_mode is now set to NFC_RF_NONE when a device gets allocated,
when the link goes down, and when stop polling.

Signed-off-by: Thierry Escande <thierry.escande@linux.intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-10-26 18:26:47 +02:00
Samuel Ortiz
19cfe5843e NFC: Initial SNL support
SNL (Service Name Lookup) allows for LLCP peers to map service names with
SAPs. This is mandatory for connection less support as peers need to get
the right SAPs without sending the CONNECT frame.
Here we only support the Rx part of SNL. The Tx one will be implemented
when supporting connection less LLCP sockets.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-10-26 18:26:47 +02:00
Samuel Ortiz
c43bb03d5a NFC: Add SNL frame building routine
SNL (Service Name Lookup) frames are used to respond to SNL requests.
This is needed for SDP implementation.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-10-26 18:26:47 +02:00
Samuel Ortiz
922239064b NFC: Use llcp_allocate_pdu to build the DISC frames
We no longer need to be atomic as this is only called from
llcp_sock_release().

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-10-26 18:26:47 +02:00
Samuel Ortiz
a6a0915f8c NFC: Avoid falling back to SYMM when sk is NULL
In some cases (SNL, DISC, DM) we need to send an LLCP skbs without
having a sock owning it. I frames are an exception here since
they may be requeued to the llcp_sock queue.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-10-26 18:26:46 +02:00
Eric Lapuyade
97f18414af NFC: Separate pn544 hci driver in HW dependant and independant parts
The driver now has all HCI stuff isolated in one file, and all the
hardware link specifics in another. Writing a pn544 driver on top of
another hardware link is now just a matter of adding a new file for that
new hardware specifics.

Signed-off-by: Eric Lapuyade <eric.lapuyade@intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-10-26 18:26:46 +02:00
Eric Lapuyade
632c016ab8 NFC: HCI check presence must not fail when driver doesn't support it
When the driver does not support checking the tag is still present, it
must return -EOPNOTSUPP. The NFC Core will then stop asking and not
report a tag lost event to user space.

Signed-off-by: Eric Lapuyade <eric.lapuyade@intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-10-26 18:26:46 +02:00
Arron Wang
da052850b9 NFC: Add pn544 presence check for different targets
Signed-off-by: Arron Wang <arron.wang@intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-10-26 18:26:46 +02:00
Arron Wang
e81076235b NFC: Implement HCI DEP send and receive data
And implement the corresponding hooks for pn544.

Signed-off-by: Arron Wang <arron.wang@intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-10-26 18:26:46 +02:00
Arron Wang
c40d17401f NFC: Implement HCI DEP link up and down
And implement the corresponding hooks for pn544.

Signed-off-by: Arron Wang <arron.wang@intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-10-26 18:26:45 +02:00
Arron Wang
928326f223 NFC: Handle pn544 continue activation
We need to send continue activation command to allow NFCIP-1
activation when a NFC target has been discovered in type A or
type F reader gate.

Signed-off-by: Arron Wang <arron.wang@intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-10-26 18:26:45 +02:00
Arron Wang
f7a5f6c532 NFC: Pass hardware specific HCI event to driver
Signed-off-by: Arron Wang <arron.wang@intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-10-26 18:26:45 +02:00
Arron Wang
7e2afc9d07 NFC: Set local gb and DEP registries
Set the local general bytes and default value for NFCIP1
Target/Initiator registries if the protocol is NFC-DEP

Signed-off-by: Arron Wang <arron.wang@intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-10-26 18:26:45 +02:00
Johannes Berg
1041638f2b mac80211: add explicit AP/GO driver operations
Depending on the driver, a lot of setup may be
necessary to start operating as an AP, some of
which may fail. Add an explicit AP start driver
method to make such failures easier to handle,
and add an AP stop driver method for symmetry.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-10-26 12:57:06 +02:00
Johannes Berg
7b20b8e8d7 mac80211: move AP teardown code to correct place
Since cfg80211 will now call the explicit stop_ap
operation when an AP interface goes down, move all
teardown code there and remove it from interface
handling. The only thing that needs to stay is the
code to dev_close() all dependent VLANs.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-10-26 12:57:01 +02:00
Johannes Berg
1df332e82d mac80211: a few formatting fixes
Fix a few code formatting issues in the RX code.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-10-26 12:32:18 +02:00
Javier Cardona
f7fbf70ee9 mac80211: don't inspect Sequence Control field on control frames
Per IEEE Std. 802.11-2012, Sec 8.2.4.4.1, the sequence Control field is
not present in control frames.  We noticed this problem when processing
Block Ack Requests.

Cc: stable@vger.kernel.org
Signed-off-by: Javier Cardona <javier@cozybit.com>
Signed-off-by: Javier Lopez <jlopex@cozybit.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-10-25 21:54:41 +02:00
Johannes Berg
1724ffbc74 mac80211: complete bss_info tracing
Some fields have been added but were missed in
tracing, add them now.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-10-25 13:54:09 +02:00
Johannes Berg
5df45690e7 mac80211: use non-atomic bitmap operation for local variable
For a local variable there's no need to use the atomic
set_bit() operation, use __set_bit() instead.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-10-25 13:54:09 +02:00
Javier Cardona
2ac64cd17f mac80211: Don't drop frames received with mesh ttl == 1
Prior this fix, those frames were not received, nor forwarded.  Fix
this to receive and not forward.

Signed-off-by: Javier Cardona <javier@cozybit.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-10-25 13:52:20 +02:00
Javier Cardona
555cb715be mac80211: Only process mesh config header on frames that RA_MATCH
Doing otherwise is wrong, and may wreak havoc on the mpp tables,
specially if the frame is encrypted.

Cc: stable@vger.kernel.org
Reported-by: Chaoxing Lin <Chaoxing.Lin@ultra-3eti.com>
Signed-off-by: Javier Cardona <javier@cozybit.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-10-25 13:51:29 +02:00
Rami Rosen
f87ad637b6 mac80211: remove duplicate check in ieee80211_rx_mgmt_beacon
Remove a duplicate check in ieee80211_rx_mgmt_beacon,
there is no need to make again the same check for the
IEEE80211_HW_PS_NULLFUNC_STACK twice; the two ifs can
be consolidated.

Signed-off-by: Rami Rosen <ramirose@gmail.com>
[reword commit message & break long lines and also
 clean up variable]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-10-25 13:33:26 +02:00
Larry Finger
f89ff6441d b43: Fix oops on unload when firmware not found
When b43 fails to find firmware when loaded, a subsequent unload will
oops due to calling ieee80211_unregister_hw() when the corresponding
register call was never made.

Commit 2d838bb608 fixed the same problem
for b43legacy.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Tested-by: Markus Kanet <dvmailing@gmx.eu>
Cc: Stable <stable@vger.kernel.org> [V3.3.0+ (the patch will need to be refactored)]
Cc: Markus Kanet <dvmailing@gmx.eu>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-24 13:18:09 -04:00
Bing Zhao
6fcf2b1053 mwifiex: clean up scan state on error
De-reference and deallocate scan state on failure.

Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: Paul Stewart <pstew@chromium.org>
Tested-by: Paul Stewart <pstew@chromium.org>
Reviewed-by: Ryan Cairns <rtc@chromium.org>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-24 13:18:09 -04:00
Bing Zhao
dcd5c79c9a mwifiex: return -EBUSY if specific scan request cannot be honored
Previous patch "mwifiex: return -EBUSY if scan request cannot.."
corrected regular scan request only. There is another case for
specific scan that needs the same handling.

Also, removed !req_ssid check as it has already been validated
by caller.

Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: Paul Stewart <pstew@chromium.org>
Reviewed-by: Ryan Cairns <rtc@chromium.org>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-24 13:18:09 -04:00
Yuanhan Liu
9495b31ad7 brcmfmac: fix potential NULL dereference
Fix a samtch warnings catched by Fengguang's 0-DAY system:
+ drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c:3572 brcmf_cfg80211_sched_scan_start() error: we previously assumed 'request' could be null (see line 3571)

Cc: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
Acked-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-24 13:18:08 -04:00