The new control interface command RADIO_WORK can be used by external
programs to request radio allocation slots from wpa_supplicant if
exclusive radio control is needed, e.g., for offchannel operations. If
such operations are done directly to the driver, wpa_supplicant may not
have enough information to avoid conflicting operations. This new
command can be used to provide enough information and radio scheduling
to avoid issues with such cases.
Signed-hostap: Jouni Malinen <j@w1.fi>
If an external program triggers a scan, wpa_supplicant does not have a
wpa_radio work item for this operation to protect against other
offchannel operations. This can result in operations failing, so try to
avoid damage by not starting any new wpa_radio work items during a scan
that was started by another process.
Signed-hostap: Jouni Malinen <j@w1.fi>
This type of protection against concurrent connection and scan
operations is now enforced through the wpa_radio work mechanism, so this
separate protection mechanism is not needed anymore.
Signed-hostap: Jouni Malinen <j@w1.fi>
This type of protection against concurrent connection and offchannel GAS
operations is now enforced through the wpa_radio work mechanism, so this
separate protection mechanism is not needed anymore.
Signed-hostap: Jouni Malinen <j@w1.fi>
Avoid concurrent GAS operations with any other exclusive use of the
radio by using the radio work queuing mechanism. This replaces some of
the earlier constraints on concurrent operations with the more generic
wpa_radio work concept.
Signed-hostap: Jouni Malinen <j@w1.fi>
Avoid concurrent P2P Listen operations with any other exclusive use of
the radio by using the radio work queuing mechanism. This removes some
of the earlier workarounds that postponed scans depending on other
operations.
Signed-hostap: Jouni Malinen <j@w1.fi>
Avoid concurrent P2P scan requests with any other exclusive use of the
radio by using the radio work queuing mechanism. This removes some of
the earlier workarounds that postponed scans depending on other
operations.
Signed-hostap: Jouni Malinen <j@w1.fi>
The new radio work item concept can be used to request time for an
operation that requires exclusive radio control, e.g., a scan. Once the
radio is available, the registered callback function will be called.
radio_work_done() must be called once the exclusive radio operation has
been completed, so that the radio is freed for other operations. The
special case of deinit=1 is used to free the context data during
interface removal. That does not allow the callback function to start
the radio operation, i.e., it needs to free the allocated resources
and return.
Signed-hostap: Jouni Malinen <j@w1.fi>
wpa_s->scan_res_handler is set only for cases where a scan operation is
requested for a specific purpose. As such, this callback should only be
called when a scan result from a scan that was triggered by
wpa_supplicant is processed.
Signed-hostap: Jouni Malinen <j@w1.fi>
The newer wpa_dbg() print includes the same information in a more
convenient form, so remove the duplicate RX ctrl_iface hexdump in the
cases where there is no key material in the control interface commands
(the possible-key-material case is still using wpa_hexdump_ascii_key).
Signed-hostap: Jouni Malinen <j@w1.fi>
wpa_drv_scan() success case was supposed to clear
wpa_s->clear_driver_scan_cache, not params->only_new_results (which
would do nothing here).
Signed-hostap: Jouni Malinen <j@w1.fi>
Track set_key operations per-key index and clear keys on disconnection
only if the key was set (or may have been set which is the case for the
first operation after wpa_supplicant start).
Signed-hostap: Jouni Malinen <j@w1.fi>
If the BSS table within wpa_supplicant is flushed, request the driver to
flush its own scan result table during the next scan. This can avoid
unexpected old BSS entries showing up after BSS_FLUSH or FLUSH command
in cases where the driver may maintain its internal cache of scan
results (e.g., cfg80211 BSS table persists at least for 15 seconds).
In addition to doing this automatically on BSS_FLUSH/FLUSH, a new SCAN
command argument, only_new=1, can be used to request a manual scan
request to do same. Though, it should be noted that this maintains the
BSS table within wpa_supplicant. BSS_FLUSH followed by SCAN command can
be used to clear all BSS entries from both the driver and
wpa_supplicant.
Signed-hostap: Jouni Malinen <j@w1.fi>
These old driver wrappers have been removed quite some time ago, but
some of the build configuration notes were still describing how they
are configured.
Signed-hostap: Jouni Malinen <j@w1.fi>
The 100 ms timeout to clear WPS state after EAP-Failure has been
received worked otherwise fine, but it opened a race condition on
another WPS operation starting within that wait. If that happens, the
timeout will cancel that new operation unexpectedly. Fix this by
cancelling the timeout from wpas_clear_wps().
Signed-hostap: Jouni Malinen <j@w1.fi>
The P2P_PRESENCE_REQ command did not give any easily available
indication of the response received from the GO. Make this more useful
by providing such response (if received) as a ctrl_iface monitor event
(P2P-PRESENCE-RESPONSE).
Signed-hostap: Jouni Malinen <j@w1.fi>
These were somewhat more hidden to avoid direct use, but there are now
numerous places where these are needed and more justification to make
the extern int declarations available from wpa_debug.h. In addition,
this avoids some warnings from sparse.
Signed-hostap: Jouni Malinen <j@w1.fi>
WPA_CIPHER_* and CIPHER_* are used for the exact same set of cipher
suites with the main difference being that the WPA_CIPHER_* version is
suitable to be used as a bitfield. Similarly, WPA_KEY_MGMT_* and
KEY_MGMT_* have similar design for AKMs. There is no need to maintain
two separate copies of the definitions since the bitfield compatible
version can be used for both needs. Get rid of the CIPHER_* and
KEY_MGMT_* versions to clean up the implementation by getting rid of
unnecessary mapping functions.
Signed-hostap: Jouni Malinen <j@w1.fi>
The new cred block parameter 'temporary' can be used to indicate that a
cred block is not to be saved to wpa_supplicant configuration file
(e.g., "SET_CRED 0 temporary 1"). This is similar to the concept of
temporary network blocks and allows cred blocks to be managed outside
the wpa_supplicant config file when other parameters are still saved to
the file written by wpa_supplicant.
Signed-hostap: Jouni Malinen <j@w1.fi>
The option of handling upper layer P2P management operations within the
driver/firmware was originally planned to be used with wpa_supplicant,
but this has not really happened and there is no clear sign of this
being needed in the near term either. This functionality has not been
completed and it is certainly not being kept up-to-date or tested. As
such, it is best to remove it for now and if this or something similar
is needed in the future, it can be brought back once a clear need for it
has been demonstrated first.
Signed-hostap: Jouni Malinen <j@w1.fi>
Previously, the shorter scan interval was already in use for the
connection following the provisioning step, but same optimization can
also be used for the pre-provisioning scan.
Signed-hostap: Jouni Malinen <j@w1.fi>
This driver event was used separately for some Action frames, but all
the driver wrappers converted to this from information that would have
been enough to indicate an EVENT_RX_MGMT event. In addition, the
received event was then converted back to a full IEEE 802.11 management
frame for processing in most cases. This is unnecessary complexity, so
get rid of the extra path and use EVENT_RX_MGMT for Action frames as
well as other management frame subtypes.
Signed-hostap: Jouni Malinen <j@w1.fi>
The earlier changes to buffer EAPOL frames when not associated to avoid
race conditions (especially commit
3ab35a6603 but maybe something even before
that) broke PeerKey 4-way handshake. Fix this by using a separate check
before the race condition workaround to process PeerKey 4-way handshake
EAPOL-Key messages differently.
Signed-hostap: Jouni Malinen <j@w1.fi>
P802.11-REVmc clarifies that the Target BSSID field is always present
hen status code is zero, so match that requirement.
Signed-hostap: Jouni Malinen <j@w1.fi>
This commit adds few more debug prints to log the RSSI information from
the scanned BSSIDs and the current connected BSSID when comparing
neighbor results during WNM Transition Management Request processing.
Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
Previously, WPS credential provisioning removed duplicated network
entries only if they had identicical SSID, security parameters, and the
keys. However, it is possible that the AP has changes its keys and
leaving the old entry behind can result in connectibity issues (e.g.,
with 4-way handshake failing due to use of the old PSK). Fix this by
allowing the old network entry to be removed even if the keys
(passphrase, PSK, WEP keys) are different.
Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
This makes it easier to enable various testing parameters and
functionality in build configuration.
Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
Since the AP is expected to be available, there is no need to wait for
the full five second wait between scans during WPS connection. This
speeds up cases where the first scan misses the AP for some reason.
Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
It may not always be desirable to trigger reassociation or network
change based on scan results from externally to wpa_supplicant trigger
scan operations. Skip network selection and roaming determination if the
received scan result is known to be triggered by something external to
wpa_supplicant. The control interface SCAN command can be used to
request wpa_supplicant to determine the best network.
Signed-hostap: Jouni Malinen <j@w1.fi>
This avoids some unnecessary attempts to request the driver to start a
scan while it is still busy with the scan operation that was started by
an external program.
Signed-hostap: Jouni Malinen <j@w1.fi>
This allows users of wpa_supplicant control interface to figure out when
their specific scan command has been started and completed. For example:
CTRL-EVENT-SCAN-STARTED
> scan freq=2412,2417 passive=1 use_id=1
3
CTRL-EVENT-SCAN-RESULTS
CTRL-EVENT-SCAN-STARTED id=3
CTRL-EVENT-SCAN-RESULTS id=3
Signed-hostap: Jouni Malinen <j@w1.fi>
This allows external programs to request wpa_supplicant to execute
a passive scan (i.e., do not send any Probe Request frames).
Signed-hostap: Jouni Malinen <j@w1.fi>
