14 May, 2019
1 commit
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Commit 715a12334764 ("wireless: don't write C files on failures") drops
the `test -f $$f` check. The list of targets contains the
CONFIG_CFG80211_EXTRA_REGDB_KEYDIR directory itself, and this check used
to filter it out. After the check was removed, the extra keydir option
no longer works, failing with the following message:od: 'standard input': read error: Is a directory
This commit restores the check to make extra keydir work again.
Fixes: 715a12334764 ("wireless: don't write C files on failures")
Signed-off-by: Maxim Mikityanskiy
Signed-off-by: Johannes Berg
09 Nov, 2018
1 commit
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Add a new "peer measurement" API, that can be used to measure
certain things related to a peer. Right now, only implement
FTM (flight time measurement) over it, but the idea is that
it'll be extensible to also support measuring the necessary
things to calculate e.g. angle-of-arrival for WiGig.The API is structured to have a generic list of peers and
channels to measure with/on, and then for each of those a
set of measurements (again, only FTM right now) to perform.Results are sent to the requesting socket, including a final
complete message.Closing the controlling netlink socket will abort a running
measurement.v3:
- add a bit to report "final" for partial results
- remove list keeping etc. and just unicast out the results
to the requester (big code reduction ...)
- also send complete message unicast, and as a result
remove the multicast group
- separate out struct cfg80211_pmsr_ftm_request_peer
from struct cfg80211_pmsr_request_peer
- document timeout == 0 if no timeout
- disallow setting timeout nl80211 attribute to 0,
must not include attribute for no timeout
- make MAC address randomization optional
- change num bursts exponent default to 0 (1 burst, rather
rather than the old default of 15==don't care)v4:
- clarify NL80211_ATTR_TIMEOUT documentationv5:
- remove unnecessary nl80211 multicast/family changes
- remove partial results bit/flag, final is sufficient
- add max_bursts_exponent, max_ftms_per_burst to capability
- rename "frames per burst" -> "FTMs per burst"v6:
- rename cfg80211_pmsr_free_wdev() to cfg80211_pmsr_wdev_down()
and call it in leave, so the device can't go down with any
pending measurementsv7:
- wording fixes (Lior)
- fix ftm.max_bursts_exponent to allow having the limit of 0 (Lior)v8:
- copyright statements
- minor coding style fixes
- fix error path leakSigned-off-by: Johannes Berg
19 Dec, 2017
2 commits
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Not only does this remove the need for the hexdump code in most
normal kernel builds (still there for the extra directory), but
it also removes the need to ship binary files, which apparently
is somewhat problematic, as Randy reported.While at it, also add the generated files to clean-files.
Reported-by: Randy Dunlap
Signed-off-by: Johannes Berg -
Currently the certs C code generation appends to the generated files,
which is most likely a leftover from commit 715a12334764 ("wireless:
don't write C files on failures"). This causes duplicate code in the
generated files if the certificates have their timestamps modified
between builds and thereby trigger the generation rules.Fixes: 715a12334764 ("wireless: don't write C files on failures")
Signed-off-by: Thierry Reding
Signed-off-by: Johannes Berg
06 Dec, 2017
2 commits
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Change the scripting inside the shipped/extra certs C code
generation to not write the file when there are any failures.
That way, if the build aborts due to failures, we don't get
into a situation where a dummy file has been created and the
next build succeeds, but not with the desired output.Fixes: 90a53e4432b1 ("cfg80211: implement regdb signature checking")
Signed-off-by: Johannes Berg -
Since od/sed are in posix, hopefully there's a better chance
people will have them, over hexdump.Fixes: 90a53e4432b1 ("cfg80211: implement regdb signature checking")
Signed-off-by: Johannes Berg
04 Nov, 2017
1 commit
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Files removed in 'net-next' had their license header updated
in 'net'. We take the remove from 'net-next'.Signed-off-by: David S. Miller
02 Nov, 2017
1 commit
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Many source files in the tree are missing licensing information, which
makes it harder for compliance tools to determine the correct license.By default all files without license information are under the default
license of the kernel, which is GPL version 2.Update the files which contain no license information with the 'GPL-2.0'
SPDX license identifier. The SPDX identifier is a legally binding
shorthand, which can be used instead of the full boiler plate text.This patch is based on work done by Thomas Gleixner and Kate Stewart and
Philippe Ombredanne.How this work was done:
Patches were generated and checked against linux-4.14-rc6 for a subset of
the use cases:
- file had no licensing information it it.
- file was a */uapi/* one with no licensing information in it,
- file was a */uapi/* one with existing licensing information,Further patches will be generated in subsequent months to fix up cases
where non-standard license headers were used, and references to license
had to be inferred by heuristics based on keywords.The analysis to determine which SPDX License Identifier to be applied to
a file was done in a spreadsheet of side by side results from of the
output of two independent scanners (ScanCode & Windriver) producing SPDX
tag:value files created by Philippe Ombredanne. Philippe prepared the
base worksheet, and did an initial spot review of a few 1000 files.The 4.13 kernel was the starting point of the analysis with 60,537 files
assessed. Kate Stewart did a file by file comparison of the scanner
results in the spreadsheet to determine which SPDX license identifier(s)
to be applied to the file. She confirmed any determination that was not
immediately clear with lawyers working with the Linux Foundation.Criteria used to select files for SPDX license identifier tagging was:
- Files considered eligible had to be source code files.
- Make and config files were included as candidates if they contained >5
lines of source
- File already had some variant of a license header in it (even if
Reviewed-by: Philippe Ombredanne
Reviewed-by: Thomas Gleixner
Signed-off-by: Greg Kroah-Hartman
13 Oct, 2017
1 commit
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Building an allmodconfig kernel with 'make -s' now prints a single line:
GEN net/wireless/shipped-certs.c
Using '$(kecho)' here will skip the output with 'make -s' but
otherwise keeps printing it, which is consistent with how we
handle all the other output.Fixes: 90a53e4432b1 ("cfg80211: implement regdb signature checking")
Signed-off-by: Arnd Bergmann
Signed-off-by: Johannes Berg
11 Oct, 2017
2 commits
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Currently CRDA implements the signature checking, and the previous
commits added the ability to load the whole regulatory database
into the kernel.However, we really can't lose the signature checking, so implement
it in the kernel by loading a detached signature (regulatory.db.p7s)
and check it against built-in keys.Signed-off-by: Johannes Berg
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Parsing and building C structures from a regdb is no longer needed
since the "firmware" file (regulatory.db) can be linked into the
kernel image to achieve the same effect.Signed-off-by: Johannes Berg
15 Jan, 2017
1 commit
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…inux/kernel/git/jberg/mac80211-next
Johannes Berg says:
====================
For 4.11, we seem to have more than in the past few releases:
* socket owner support for connections, so when the wifi
manager (e.g. wpa_supplicant) is killed, connections are
torn down - wpa_supplicant is critical to managing certain
operations, and can opt in to this where applicable
* minstrel & minstrel_ht updates to be more efficient (time and space)
* set wifi_acked/wifi_acked_valid for skb->destructor use in the
kernel, which was already available to userspace
* don't indicate new mesh peers that might be used if there's no
room to add them
* multicast-to-unicast support in mac80211, for better medium usage
(since unicast frames can use *much* higher rates, by ~3 orders of
magnitude)
* add API to read channel (frequency) limitations from DT
* add infrastructure to allow randomizing public action frames for
MAC address privacy (still requires driver support)
* many cleanups and small improvements/fixes across the board
====================Signed-off-by: David S. Miller <davem@davemloft.net>
06 Jan, 2017
1 commit
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This patch adds a helper for reading that new property and applying
limitations of supported channels specified this way.
It is used with devices that normally support a wide wireless band but
in a given config are limited to some part of it (usually due to board
design). For example a dual-band chipset may be able to support one band
only because of used antennas.
It's also common that tri-band routers have separated radios for lower
and higher part of 5 GHz band and it may be impossible to say which is
which without a DT info.Signed-off-by: Rafał Miłecki
[add new function to documentation, fix link]
Signed-off-by: Johannes Berg
16 Dec, 2016
1 commit
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That's the default now, no need for makefiles to set it.
Signed-off-by: Michael S. Tsirkin
Acked-by: Kalle Valo
Acked-by: Marcel Holtmann
Acked-by: Marc Kleine-Budde
Acked-by: Greg Kroah-Hartman
Acked-by: Arend van Spriel
04 Nov, 2014
1 commit
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This patch adds new iface type (NL80211_IFTYPE_OCB) representing
the OCB (Outside the Context of a BSS) mode.
When establishing a connection to the network a cfg80211_join_ocb
function is called (particular nl80211_command is added as well).
A mandatory parameters during the ocb_join operation are 'center
frequency' and 'channel width (5/10 MHz)'.Changes done in mac80211 are minimal possible required to avoid
many warnings (warning: enumeration value 'NL80211_IFTYPE_OCB'
not handled in switch) during compilation. Full functionality
(where needed) is added in the following patch.Signed-off-by: Rostislav Lisovy
Signed-off-by: Johannes Berg
18 Oct, 2012
1 commit
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Add tracing to make debugging cfg80211/mac80211
(or full-mac driver) interaction easier.Signed-off-by: Beni Lev
Reviewed-by: Johannes Berg
Reviewed-by: Hila Gonen
Tested-by: Hila Gonen
Reviewed-by: Emmanuel Grumbach
[add a cast to int to sizeof() to avoid warning]
Signed-off-by: Johannes Berg
29 Jun, 2012
1 commit
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This functionality will be reused when interface
is going down. Avoids code duplication. Also adds
missing wdev locking.Signed-off-by: Michal Kazior
Signed-off-by: Johannes Berg
07 Dec, 2010
1 commit
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Instead of tying mesh activity to interface up,
add join and leave commands for mesh. Since we
must be backward compatible, let cfg80211 handle
joining a mesh if a mesh ID was pre-configured
when the device goes up.Note that this therefore must modify mac80211 as
well since mac80211 needs to lose the logic to
start the mesh on interface up.We now allow querying mesh parameters before the
mesh is connected, which simply returns defaults.
Setting them (internally renamed to "update") is
only allowed while connected. Specify them with
the new mesh join command instead where needed.In mac80211, beaconing must now also follow the
mesh enabled/not enabled state, which is done
by testing the mesh ID.Signed-off-by: Javier Cardona
Signed-off-by: Johannes Berg
Signed-off-by: John W. Linville
22 Dec, 2009
1 commit
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This patch provides infrastructure for machine translation of the
regulatory rules database used by CRDA into a C data structure.
It includes code for searching that database as an alternative
to dynamic regulatory rules updates via CRDA. Most people should
use CRDA instead of this infrastructure, but it provides a better
alternative than the WIRELESS_OLD_REGULATORY infrastructure (which
can now be removed).Signed-off-by: John W. Linville
08 Oct, 2009
2 commits
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Signed-off-by: John W. Linville
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Refactor wext to
* split out iwpriv handling
* split out iwspy handling
* split out procfs support
* allow cfg80211 to have wireless extensions compat code
w/o CONFIG_WIRELESS_EXTAfter this, drivers need to
- select WIRELESS_EXT - for wext support
- select WEXT_PRIV - for iwpriv support
- select WEXT_SPY - for iwspy supportexcept cfg80211 -- which gets new hooks in wext-core.c
and can then get wext handlers without CONFIG_WIRELESS_EXT.Wireless extensions procfs support is auto-selected
based on PROC_FS and anything that requires the wext core
(i.e. WIRELESS_EXT or CFG80211_WEXT).Signed-off-by: Johannes Berg
Signed-off-by: John W. Linville
14 Aug, 2009
1 commit
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Currently, there's a problem that affects regulatory
enforcement and connection stability, in that it is
possible to switch the channel while connected to a
network or joined to an IBSS.The problem comes from the fact that we only validate
the channel against the current interface's type, not
against any other interface. Thus, you have any type
of interface up, additionally bring up a monitor mode
interface and switch the channel on the monitor. This
will obviously also switch the channel on the other
interface.The problem now is that if you do that while sending
beacons for IBSS mode, you can switch to a disabled
channel or a channel that doesn't allow beaconing.
Combined with a managed mode interface connected to
an AP instead of an IBSS interface, you can easily
break the connection that way.To fix this, this patch validates any channel change
with all available interfaces, and disallows such
changes on secondary interfaces if another interface
is connected to an AP or joined to an IBSS.Signed-off-by: Johannes Berg
Signed-off-by: John W. Linville
11 Jul, 2009
2 commits
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This adds code to make it possible to use the cfg80211
connect() API with wireless extensions, and because the
previous patch added emulation of that API with auth()
and assoc(), by extension also supports wext on that.
At the same time, removes code from mac80211 for wext,
but doesn't yet clean up mac80211's mlme code more.Signed-off-by: Samuel Ortiz
Signed-off-by: Johannes Berg
Signed-off-by: John W. Linville -
This patch introduces the cfg80211 connect/disconnect API.
The goal here is to run the AUTH and ASSOC steps in one call.
This is needed for some fullmac cards that run both steps
directly from the target, after the host driver sends a
connect command.Additionally, all the new crypto parameters for connect()
are now also valid for associate() -- although associate
requires the IEs to be used, the information can be useful
for drivers and should be given.Signed-off-by: Samuel Ortiz
Signed-off-by: Johannes Berg
Signed-off-by: John W. Linville
21 May, 2009
1 commit
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This moves the cfg80211 specific stuff to new cfg80211 debugfs
entries. Non-mac80211 will also get these entries now. There were
only 4 which we take:rts_threshold
fragmentation_threshold
short_retry_limit
long_retry_limitSigned-off-by: Luis R. Rodriguez
Signed-off-by: John W. Linville
23 Apr, 2009
1 commit
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This adds IBSS API along with (preliminary) wext handlers.
The wext handlers can only do IBSS so you need to call them
from your own wext handlers if the mode is IBSS.The nl80211 API requires
* an SSID
* a channel (frequency) for the case that a new IBSS
has to be createdIt optionally supports
* a flag to fix the channel
* a fixed BSSIDThe cfg80211 code also takes care to leave the IBSS before
the netdev is set down. If wireless extensions are used, it
also caches values when the interface is down and instructs
the driver to join when the interface is set up.Signed-off-by: Johannes Berg
Signed-off-by: John W. Linville
28 Mar, 2009
2 commits
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Add new nl80211 event notifications (and a new multicast group, "mlme")
for informing user space about received and processed Authentication,
(Re)Association Response, Deauthentication, and Disassociation frames in
station and IBSS modes (i.e., MLME SAP interface primitives
MLME-AUTHENTICATE.confirm, MLME-ASSOCIATE.confirm,
MLME-REASSOCIATE.confirm, MLME-DEAUTHENTICATE.indicate, and
MLME-DISASSOCIATE.indication). The event data is encapsulated as the 802.11
management frame since we already have the frame in that format and it
includes all the needed information.This is the initial step in providing MLME SAP interface for
authentication and association with nl80211. In other words, kernel code
will act as the MLME and a user space application can control it as the
SME.Signed-off-by: Jouni Malinen
Signed-off-by: John W. Linville -
The scan capability added to cfg80211/nl80211 introduced a
dependency on nl80211 by cfg80211. We can thus no longer have
just cfg80211 without nl80211. Specifically, cfg80211_scan_done()
calls nl80211_send_scan_aborted() or nl80211_send_scan_done().Now we remove the option for user to select nl80211. It will always
be compiled if user selects cfg80211.Signed-off-by: Reinette Chatre
Signed-off-by: John W. Linville
14 Feb, 2009
1 commit
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This patch adds basic scan capability to cfg80211/nl80211 and
changes mac80211 to use it. The BSS list that cfg80211 maintains
is made driver-accessible with a private area in each BSS struct,
but mac80211 doesn't yet use it. That's another large project.Signed-off-by: Johannes Berg
Signed-off-by: John W. Linville
13 Dec, 2008
1 commit
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Make sure sparse checks endianness when run on mac80211/cfg80211.
Signed-off-by: Johannes Berg
Cc: Sam Ravnborg
Signed-off-by: John W. Linville
05 Dec, 2008
1 commit
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This patch moves the SIOCGIWNAME handling from mac80211 to cfg80211.
Signed-off-by: Johannes Berg
Signed-off-by: John W. Linville
22 Nov, 2008
1 commit
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These bits are shared already between ipw2x00 and hostap, and could
probably be shared both more cleanly and with other drivers. This
commit simply relocates the code to lib80211 and adjusts the drivers
appropriately.Signed-off-by: John W. Linville
01 Nov, 2008
1 commit
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Signed-off-by: John W. Linville
01 Mar, 2008
1 commit
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This patch creates new cfg80211 wiphy API for channel and bitrate
registration and converts mac80211 and drivers to the new API. The
old mac80211 API is completely ripped out. All drivers (except ath5k)
are updated to the new API, in many cases I expect that optimisations
can be done.Along with the regulatory code I've also ripped out the
IEEE80211_HW_DEFAULT_REG_DOMAIN_CONFIGURED flag, I believe it to be
unnecessary if the hardware simply gives us whatever channels it wants
to support and we then enable/disable them as required, which is pretty
much required for travelling.Additionally, the patch adds proper "basic" rate handling for STA
mode interface, AP mode interface will have to have new API added
to allow userspace to set the basic rate set, currently it'll be
empty... However, the basic rate handling will need to be moved to
the BSS conf stuff.I do expect there to be bugs in this, especially wrt. transmit
power handling where I'm basically clueless about how it should work.Signed-off-by: Johannes Berg
Signed-off-by: John W. Linville
11 Oct, 2007
1 commit
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Signed-off-by: Johannes Berg
Signed-off-by: John W. Linville
Signed-off-by: David S. Miller
13 Jul, 2007
1 commit
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Generic code to walk through the fields in a radiotap header, accounting
for nasties like extended "field present" bitfields and alignment rulesSigned-off-by: Andy Green
Signed-off-by: Jiri Benc
Signed-off-by: John W. Linville
27 Apr, 2007
1 commit
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This patch moves dev/core/wireless.c to net/wireless/wext.c.
Signed-off-by: Johannes Berg
Signed-off-by: John W. Linville
Signed-off-by: David S. Miller
26 Apr, 2007
2 commits
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This patch creates the core cfg80211 code along with some sysfs bits.
This is a stripped down version to allow mac80211 to function, but
doesn't include any configuration yet except for creating and removing
virtual interfaces.This patch includes the nl80211 header file but it only contains the
interface types which the cfg80211 interface for creating virtual
interfaces relies on.Signed-off-by: Johannes Berg
Signed-off-by: John W. Linville
Signed-off-by: David S. Miller -
This patch refactors the wireless Kconfig all over and already
introduces net/wireless/Kconfig with just the WEXT bit for now,
the cfg80211 patch will add to that as well.Signed-off-by: Johannes Berg
Signed-off-by: John W. Linville
Signed-off-by: David S. Miller