If the driver provides an identifying cookie value for scan operations,
use that to select which link processes the scan result. This is needed
for OBSS scans that can be required in different links if operating as
an AP MLD. Distinguish the scans using scan_cookie for QCA vendor scan
events.
Signed-off-by: Chenming Huang <quic_chenhuan@quicinc.com>
Currently, whenever a new BSS is created, if it is an EHT BSS it is tied
to a corresponding MLD structure. If the structure does not exist
already, a new one is created and tied to it. Accordingly, the link ID
is assigned as well. However, when the BSS is deleted, the MLD structure
is not freed and when it is again created the next time, the link ID is
incremented further and the BSS gets a wrong link ID.
For example, 2.4 GHz single link AP MLD case: First ADD, link ID 0 would
be assigned and MLD interface wlan0 would be created. When REMOVE is
issued, the BSS would be deleted but MLD wlan0 will not. When ADD is
issued again, the BSS will tie back to MLD wlan0 but this time the link
ID will be incremented again and 1 would be assigned. Hence, at
subsequent REMOVE/ADD, the link ID keeps on incrementing.
Since the link ID remains same for the full lifetime of the BSS and MLD,
the next link ID counter cannot be just reset back to 0 when a BSS is
deleted. Otherwise, in interleaved link enable/disable case, the link ID
would be changed.
To overcome this situation, whenever a BSS is deleted, if the MLD is not
referenced by any other existing BSS, delete the MLD structure itself.
To know how many BSSs are referring a given MLD, introduce a new member
refcount in MLD. If the value is 0 it is safe to delete the MLD.
Signed-off-by: Aditya Kumar Singh <quic_adisi@quicinc.com>
MLD level structure is present to store the MLD level information.
Add changes to use the MLD structure instead of link specific struct
hostapd_data to get/set the MLD level information.
Signed-off-by: Aditya Kumar Singh <quic_adisi@quicinc.com>
MLD level information like MLD MAC address, next link ID, etc. was
stored in each BSS. However, only the first link BSS assigns values to
these members and the other link BSSs store references to the first BSS.
However, if the first BSS is disabled, the first BSS reference in all
BSS should be updated which is an overhead. Also, this does not seem to
scale.
Instead, a separate MLD level structure can be maintained which can
store all this ML related information. All affiliated link BSSs can keep
reference to this MLD structure.
This commit adds that MLD level structure. However, assigning values to
it and using that instead of BSS level members will be done in
subsequent commits.
Signed-off-by: Aditya Kumar Singh <quic_adisi@quicinc.com>
mld_id was provided as a user configuration to identify partner BSS
belonging to the same AP MLD. The same id is used at the protocol level
also to indicate the AP MLD ID of the MLD.
But, in general mld_id is a relative reference of the MLD where 0 is
used as the mld_id to represent the self MLD and in case of MLO MBSSID
mld_id of a non transmitted BSS affiliated to an AP MLD is based on the
relative BSS index of the non transmitted BSS from the transmitted BSS.
Hence mld_id need not be fetched from users, rather it can be identified
wherever required.
To verify if the partners belong to the same AP MLD the interface name
can be checked, since all link BSS partners of the same AP MLD belong to
the same interface.
Hence, remove use of mld_id user config and instead introduce two
functions hostapd_is_ml_partner() and hostapd_get_mld_id(). The former
is used to verify whether partners belong to the same AP MLD and the
latter is used to get the MLD ID of the BSS.
Signed-off-by: Sriram R <quic_srirrama@quicinc.com>
Signed-off-by: Aditya Kumar Singh <quic_adisi@quicinc.com>
When wpa_supplicant assigns the IP address (WFA EAPOL IP address
allocation feature), the assigned IP address of the P2P Client on the GO
side is notified in the AP-STA-CONNECTED event. So to obtain the IP info
to external programs, modify the STA authorized event to include the the
assigned IP address of the P2P Client.
Test: Establish P2P connection and verified from the logs that
the P2P Client IP address is notified.
Signed-off-by: Sunil Ravi <sunilravi@google.com>
Add hostapd support for interacting with the NAN discovery engine to
allow single-channel (i.e., the AP's operating channel) USD as Publisher
or Subscriber.
Signed-off-by: Jouni Malinen <quic_jouni@quicinc.com>
Add a simple for_each_mld_link helper that sets first variable to the
hapd data for every link. It takes the interfaces and MLD ID as
arguments and two extra integers as scratch variables (for the interface
and bss offsets).
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Add support for testing ML link removal to hostapd. While such support
should inherently be integrated with the underlining driver, simulate
the inclusion of the ML reconfiguration element in hostapd.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Parse link id and station MLD address received from the driver in the
NL80211_CMD_NEW_STA event.
Set MLO information of the station to the sta_info and wpa_sm.
Co-authored-by: Manaswini Paluri <quic_mpaluri@quicinc.com>
Signed-off-by: Veerendranath Jakkam <quic_vjakkam@quicinc.com>
Define a struct to hold MLD station info and implement publishing of the
Basic Multi-Link element. Add it into Beacon and Probe Response frames.
Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Add support for including multiple hostapd interfaces in the same AP
MLD, i.e., all using the same underlying driver network interface.
To do so, when a new hostapd interface is added, if there is already
another interface using the same underlying network interface, associate
the new interface with the same private data object, instead of creating
a new one.
As some of the BSSs are non-first BSSs, meaning that they reuse the
drv_priv of the initial BSS, make sure not to double free it.
Currently multiple BSS entries are not supported so always use bss[0]
for MLD.
Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
AP cannot come up in channels that are marked as NO_IR. If AP moves to
HAPD_IFACE_DISABLED state, it will deinitialize the nl80211 driver
interface and sockets.
Hence, introduce a new state called HAPD_IFACE_NO_IR, for 6 GHz APs to
handle NO_IR scenarios, such as AFC, where the channels not allowed by
AFC will have HOSTAPD_CHAN_NO_IR flag set. In this state, AP is still
kept in a non-operational state (stopped) without deinitializing the
nl80211 driver interface. wiphy reg change event can then update the
channels and bring up the AP in a valid channel.
Signed-off-by: Pooventhiran G <quic_pooventh@quicinc.com>
Retrieve the puncturing bitmap sent by the driver in channel switch
events and add a new member punct_bitmap in struct ch_switch to store
it.
Signed-off-by: Aloka Dixit <quic_alokad@quicinc.com>
Add data per IEEE Std 802.11-2020, 9.4.2.240. Current implementation is
added for the security and extended supported rates only.
For the Extended rates element, add a new member 'xrates_supported'
which is set to 1 only if hostapd_eid_ext_supp_rates() returns success.
Without this change, there are cases where this function returns before
adding the element for the transmitting interface resulting in incorrect
addition of this element inside the MBSSID Non-Inheritance element.
Signed-off-by: Aloka Dixit <quic_alokad@quicinc.com>
Co-developed-by: John Crispin <john@phrozen.org>
Signed-off-by: John Crispin <john@phrozen.org>
Co-developed-by: Sowmiya Sree Elavalagan <quic_ssreeela@quicinc.com>
Signed-off-by: Sowmiya Sree Elavalagan <quic_ssreeela@quicinc.com>
Retrieve driver capabilities for the maximum number of interfaces for
MBSSID and the maximum allowed profile periodicity for enhanced MBSSID
advertisement.
Signed-off-by: Aloka Dixit <quic_alokad@quicinc.com>
When using multiple BSSes on a single radio, it is sometimes desirable
to reconfigure one BSS, without disconnecting the stations already
connected to other BSSes on the same radio.
When a BSS is reconfigured using the SET command, there is no "old"
configuration we can compare to (so we cannot compare a hash of the
configuration for example).
One possible solution would be to make the current RELOAD command
reload only the current BSS. However, that could break the workflow of
existing users. Instead, introduce a new RELOAD_BSS command, which
reloads only the current BSS.
Signed-off-by: Raphaël Mélotte <raphael.melotte@mind.be>
The new DPP-RELAY-NEEDS-CONTROLLER control interface event can be used
to trigger mDNS discovery of a Controller to see if such a connection
can be established automatically at the time an Enrollee is trying to
initiate an operation.
Signed-off-by: Jouni Malinen <quic_jouni@quicinc.com>
Extend DPP push button support in wpa_supplicant to allow the role of
the Configurator to be used. This provides similar functionality to the
way the DPP_PUSH_BUTTON command in hostapd worked when providing the
configuration parameters with that command (instead of building the
config object based on current AP configuration).
Signed-off-by: Jouni Malinen <quic_jouni@quicinc.com>
While the most likely production use case for DPP push button is to
provision the AP's current configuration, there might be some use cases
for providing different configuration. Add possibility for doing this by
extending the DPP_PUSH_BUTTON command to accept an optional set of
parameters similarly to the other DPP commands for the Configurator.
Signed-off-by: Jouni Malinen <quic_jouni@quicinc.com>
Add support to use a push button -based bootstrap mechanism with DPP.
The new DPP_PUSH_BUTTON control interface command enables this mode on
the AP/hostapd and station/wpa_supplicant. This goes through the
following sequence of events: a suitable peer in active push button mode
is discovered with session overlap detection, PKEX is executed with
bootstrap key hash validation, DPP authentication and configuration
exchanges are performed.
Signed-off-by: Jouni Malinen <quic_jouni@quicinc.com>
Skip the x_snoop_deinit() operations if hostapd did not actually
configure the parameters in the first place. While clearing these
specific parameters is unlikely to change how they were set outside the
scope of hostapd, it is better to leave them as-is to avoid surprises if
hostapd was not configured to use ProxyARP.
Signed-off-by: Jouni Malinen <quic_jouni@quicinc.com>
Add support for IMSI privacy in the EAP-SIM/AKA server implementation.
If the new hostapd configuration parameter imsi_privacy_key is used to
specify an RSA private key, that key will be used to decrypt encrypted
permanent identity.
Signed-off-by: Jouni Malinen <quic_jouni@quicinc.com>
Add the core code for handling BSS color collision events and triggering
CCA inside the kernel. The caller of hostapd_switch_color() will be
added in the following commits.
Tested-by: Peter Chiu <chui-hao.chiu@mediatek.com>
Co-developed-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: John Crispin <john@phrozen.org>
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
While these do not return error code within the current hostapd
implementation, matching functions in wpa_supplicant AP functionality
will have an error case and using consistent return type will make the
control interface code more consistent.
In addition, export hostapd_set_acl() in preparation for the
wpa_supplicant control interface implementation extension.
Signed-off-by: Chaoli Zhou <quic_zchaoli@quicinc.com>
Introduce the capability to perform radar/CAC detection on an offchannel
radar chain available on some hardware (e.g., mt7915). This feature
allows to avoid CAC downtime switching on a different channel during CAC
detection on the selected radar channel.
Tested-by: Owen Peng <owen.peng@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Allow PKEX v1-only or v2-only behavior to be specific for the Responder
role. This is mainly for testing purposes.
Signed-off-by: Jouni Malinen <quic_jouni@quicinc.com>
Add a new field to include BSS Parameter subfield in the neighbor
database as described in IEEE Std 802.11ax-2021, Figure 9-632a (BSS
Parameters subfield format). This field holds information related to
multiple BSSID, access point co-location, and 20 TU probe response
active/inactive state.
Signed-off-by: John Crispin <john@phrozen.org>
Signed-off-by: Aloka Dixit <alokad@codeaurora.org>
Calculate and store short SSID in hostapd_data context during config
load time and in neighbor report.
Signed-off-by: John Crispin <john@phrozen.org>
Signed-off-by: Aloka Dixit <alokad@codeaurora.org>
Add a new testing parameter to allow airtime policy implementation to be
tested for more coverage even without kernel driver support.
Signed-off-by: Jouni Malinen <j@w1.fi>
PASN authentication mandates support for comeback flow, which
among others can be used for anti-clogging purposes.
As the SAE support for anti clogging can also be used for PASN,
start modifying the source code so the anti clogging support
can be used for both SAE and PASN.
As a start, rename some variables/functions etc. so that they would not
be SAE specific. The configuration variable is also renamed, but the old
version remains available for backwards compatibility.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
The hostapd DFS code deinitializes and initializes the AP interface, if
a clean channel switch is not possible. In this case the AP code paths
would deinit the driver, for example nl80211, without wpa_supplicant
code paths getting notice of this.
Therefore add callbacks for wpa_supplicant mesh methods, which are
called on init/deinit of the AP BSS. These callbacks are then used to
handle the reset in the mesh code.
Signed-off-by: Markus Theil <markus.theil@tu-ilmenau.de>
Verify that all associated STAs that claim support for OCV initiate an
SA Query after CSA. If no SA Query is seen within 15 seconds,
deauthenticate the STA.
Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
Add a new hostapd control interface command "DPP_CHIRP own=<BI ID>
iter=<count>" to request chirping, i.e., sending of Presence
Announcement frames, to be started. This follows the model of similar
wpa_supplicant functionality from commit 562f77144c ("DPP2: Chirping
in wpa_supplicant Enrollee"). The hostapd case requires the AP to be
started without beaconing, i.e., with start_disabled=1 in hostapd
configuration, to allow iteration of channels needed for chirping.
Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
The cookie values for UDP control interface commands was defined as a
static global array. This did not allow multi-BSS test cases to be
executed with UDP control interface. For example, after
hapd1 = hostapd.add_bss(apdev[0], ifname1, 'bss-1.conf')
hapd2 = hostapd.add_bss(apdev[0], ifname2, 'bss-2.conf')
hapd1->ping() did not work.
Move those cookie values to per-instance location in struct
hapd_interfaces and struct hostapd_data to fix this.
Signed-off-by: Janusz Dziedzic <janusz.dziedzic@gmail.com>
SM Power Save was described in somewhat unclear manner in IEEE Std
802.11n-2009 as far the use of it locally in an AP to save power. That
was clarified in IEEE Std 802.11-2016 to allow only a non-AP STA to use
SMPS while the AP is required to support an associated STA doing so. The
AP itself cannot use SMPS locally and the HT Capability advertisement
for this is not appropriate.
Remove the parts of SMPS support that involve the AP using it locally.
In practice, this reverts the following commits:
04ee647d58 ("HT: Let the driver advertise its supported SMPS modes for AP mode")
8f461b50cf ("HT: Pass the smps_mode in AP parameters")
da1080d721 ("nl80211: Advertise and configure SMPS modes")
Signed-off-by: Jouni Malinen <j@w1.fi>
IEEE Std 802.11F-2003 was withdrawn in 2006 and as such it has not been
maintained nor is there any expectation of the withdrawn trial-use
recommended practice to be maintained in the future. Furthermore,
implementation of IAPP in hostapd was not complete, i.e., only parts of
the recommended practice were included. The main item of some real use
long time ago was the Layer 2 Update frame to update bridges when a STA
roams within an ESS, but that functionality has, in practice, been moved
to kernel drivers to provide better integration with the networking
stack.
Signed-off-by: Jouni Malinen <j@w1.fi>
Hardcode this to be defined and remove the separate build options for
PMF since this functionality is needed with large number of newer
protocol extensions and is also something that should be enabled in all
WPA2/WPA3 networks.
Signed-off-by: Jouni Malinen <j@w1.fi>
Use struct eap_config as-is within struct eap_sm and EAPOL authenticator
to avoid having to duplicate all the configuration variables at each
interface. Split the couple of session specific variables into a
separate struct to allow a single const struct eap_config to be used.
Signed-off-by: Jouni Malinen <j@w1.fi>
Add an SQLite table for defining per station MAC address version of
radius_auth_req_attr/radius_acct_req_attr information. Create the
necessary table and index where this doesn't exist. Select attributes
from the table keyed by station MAC address and request type (auth or
acct), parse and apply to a RADIUS message.
Add radius_req_attr_sqlite hostapd config option for SQLite database
file. Open/close RADIUS attribute database for a lifetime of a BSS and
invoke functions to add extra attributes during RADIUS auth and
accounting request generation.
Signed-off-by: Terry Burton <tez@terryburton.co.uk>
