Commit graph

339 commits

Author SHA1 Message Date
Jouni Malinen
93b7ddd032 P2P: Skip GO Neg Conf ack failure workaround of send failures
The workaround to ignore no ctrl::ack received for GO Negotiation
Confirmation frame was only supposed to be used when the frame was
actually transmitted and just the ack was not received. However, due
to the way the driver failure on transmitting the frame were reported,
this ended up getting applied for all failures in sending the GO
Negotiation Confirmation frame.

Improve this by providing a mechanism to indicate whether send_action
operations fail locally before the frame was actually transmitted or
because of not receiving ack frame after having transmitted the frame.
2010-10-19 12:47:33 +03:00
Jouni Malinen
b5c9da8db3 P2P: Add mechanism for updating P2P channel list based on driver events
This allows P2P channel list to be updated whenever the driver changes
its list of allowed channels, e.g., based on country code from scan
results.
2010-10-15 18:55:22 +03:00
Jouni Malinen
d054a4622c P2P: Reject multi-channel concurrent operations depending on driver
The driver wrapper can now indicate whether the driver supports
concurrent operations on multiple channels (e.g., infra STA connection
on 5 GHz channel 36 and P2P group on 2.4 GHz channel 1). If not,
P2P_CONNECT commands will be rejected if they would require
multi-channel concurrency.

The new failure codes for P2P_CONNECT:

FAIL-CHANNEL-UNAVAILABLE:
The requested/needed channel is not currently available (i.e., user has
an option of disconnecting another interface to make the channel
available).

FAIL-CHANNEL-UNSUPPORTED:
The request channel is not available for P2P.
2010-10-14 14:24:56 +03:00
Jouni Malinen
7861cb08c9 P2P: Share code for p2p_connect/authorize channel preparation 2010-10-14 12:45:15 +03:00
Jouni Malinen
1e19f73495 P2P: Verify that p2p_connect forced frequency is allowed for P2P
Do not accept forced frequency unless the specified channel is
allowed for P2P, i.e., is included in the local list of
advertised channels.
2010-10-14 12:42:17 +03:00
Jouni Malinen
ca0d6b81d6 P2P: Fix a typo to fix CONFIG_P2P=y build
Previous typo fix was missed here.
2010-10-10 17:28:47 +03:00
Jouni Malinen
252d7db297 P2P: Fill in default Config Methods in Invitation Request
If the peer is not authorized for GO Negotiation, wps_method is not
actually set. In that case, it is better to fill in our default
config methods rather than end up leaving the field to be zero.
2010-09-21 18:26:01 -07:00
Sudhakar Swaminathan
0f66abd25b P2P: Add option for disabling intra BSS distribution
p2p_intra_bss configuration parameter can now be used to
disable/enable intra BSS distribution (bridging of frames between
the clients in a group).
2010-09-10 10:30:26 -07:00
Ardong Chen
2049af2bd5 P2P: Fix invitation_received callback to use NULL bssid (if not known)
Previously, the storage buffer for the Group BSSID was returned
regardless of whether it was included in the invitation or not.
2010-09-10 10:30:26 -07:00
Jouni Malinen
e2197af1b2 P2P: Make sure parsed Device Name gets null terminated
If the msg->device_name buffer is filled from two different sources,
the copy from the P2P Device Info attribute needs to make sure that
the values gets null terminated to match the length of the correct
string should the other place use another string (which is not really
allowed by the spec, but could happen).
2010-09-10 10:30:26 -07:00
Jouni Malinen
ae3e342108 P2P: Add peer timeout into group formation 15 second timeout
This adds some more time for WPS provisioning step in case the peer
takes long time to start group interface operations.
2010-09-10 10:30:25 -07:00
Jouni Malinen
fbe7027239 P2P: Provide local event on GO Neg Req rejection
If an authorized (p2p_connect used locally) GO Negotiation is
rejected when receiving GO Negotiation Request from the peer,
indicate the failure with a ctrl_interface P2P-GO-NEG-FAILURE
event. Previously, this event was only shown on the peer (i.e.,
the device receiving the GO Negotiation Response with non-zero
Status code).
2010-09-10 10:30:25 -07:00
Ardong Chen
ffe98dfb88 P2P: Process Invitation Request from previously unknown peer
Since this message now includes P2P Device Info attribute, it is
reasonable to learn the peer data and process the message instead of
rejecting the message.
2010-09-10 10:30:25 -07:00
Ardong Chen
17bef1e97a P2P: Add peer entry based on Provision Discovery Request
Add (or complete Probe Request only) P2P peer entry when receiving
Provision Discovery Request from a previously unknown peer. This is
especially of use for a GO when a P2P client is requesting to join
a running group.
2010-09-10 10:30:25 -07:00
Jouni Malinen
e9a7ae41fa P2P: Use SSID from GO Negotiation to limit WPS provisioning step
In order to avoid picking incorrect SSID from old scan results, use
SSID from GO Negotiation to select the AP.
2010-09-09 07:17:23 -07:00
Jouni Malinen
f8d0131a11 P2P: Use operating frequency from peer table as backup for join
The scan operation before Provision Discovery Request may not include
the GO. However, we are likely to have the GO in our P2P peer table,
so use that information to figure out the operating channel if BSS
table entry is not available.
2010-09-09 07:17:23 -07:00
Jouni Malinen
f7a6905735 P2P: Add a workaround for Extended Listen Timing getting stuck
This should not really happen, but it looks like the Listen command
may fail is something else (e.g., a scan) was running at an
inconvenient time. As a workaround, allow new Extended Listen
operation to be started if this state is detected.
2010-09-09 07:17:23 -07:00
Jouni Malinen
6125c661d5 P2P: Fix cross connection allowed parser to use correct field
The previous version had a bug that could result in NULL pointer
dereference if the P2P IE included Manageability attribute, but no
Capability attribute.
2010-09-09 07:17:22 -07:00
Jouni Malinen
5548ddc217 P2P: Allow P2P IE without Device Info in (Re)Assoc Req
This can happen, e.g., when a P2P client connects to a P2P group
using the infrastructure WLAN interface instead of P2P group
interface. In that case, the P2P client may behave as if the GO
would be a P2P Manager WLAN AP.
2010-09-09 07:17:21 -07:00
Jouni Malinen
0cc8be3e45 P2P: Fix code order to avoid potential NULL pointer dereference 2010-09-09 07:17:21 -07:00
Jouni Malinen
2f837b41dc P2P: Fix build after WSC 2.0 change to use WFA vendor extension 2010-09-09 07:17:21 -07:00
Jouni Malinen
5ded7d3eb8 P2P: Fix GAS fragmentation to match with IEEE 802.11u
P2P specification v1.15 fixed the description of the GAS fragmentation
to not duplicate NQP Query Response Field header in all fragments. This
change makes the fragmentation match with the description in IEEE
802.11u. The change is not backwards compatible with previous P2P
specification versions as far as fragmented SD responses are concerned.
2010-09-09 07:17:21 -07:00
Jouni Malinen
3dfda83d9c P2P: Add Device Password ID to GO Neg Request RX event
This event indicates the Device Password ID that the peer tried
to use in GO Negotiation. For example:
P2P-GO-NEG-REQUEST 02:40:61:c2:f3:b7 dev_passwd_id=4
2010-09-09 07:17:20 -07:00
Jouni Malinen
4147a2cc64 P2P: Fix p2p_connect join with interface address
Need to fetch P2P Device Address from the peers table in case the
p2p_connect join command uses interface address.
2010-09-09 07:17:20 -07:00
Jouni Malinen
72044390f3 P2P: Add support for cross connection
If enabled, cross connection allows GO to forward IPv4 packets
using masquerading NAT from the P2P clients in the group to an
uplink WLAN connection. This is disabled by default and can be
enabled with "wpa_cli p2p_set cross_connect 1" on the P2P device
interface.
2010-09-09 07:17:20 -07:00
Jouni Malinen
0af196088c P2P: Fix device discoverability to not wait before sending GO Neg Req
When we receive Device Discoverability Response, we need to initiate
new GO Negotiation as quickly as possible to avoid the target client
from going back to sleep. Make sure we do not end up in
P2P_CONNECT_LISTEN state (short Listen mode) in this case.
2010-09-09 07:17:20 -07:00
Jouni Malinen
4c08c0bd57 P2P: Include P2P IE in (Re)AssocReq to infra AP if it uses P2P IE
While this is not strictly speaking required by the P2P specification
for a not-P2P Managed Device, this can provide useful information for
the P2P manager AP and may be needed to pass certification tests.
2010-09-09 07:17:20 -07:00
Jouni Malinen
5be5305b7e P2P: Include Extended Listen Timing attribute in (Re)AssocReq
If extended listen timing is enabled, it should be advertised in
(Re)Association Request frames sent to GOs.
2010-09-09 07:17:20 -07:00
Jouni Malinen
04d8dad5c7 P2P: Wait on operating channel between invitation requests
If running in active GO mode to invite a device to join the group,
wait on operating channel instead of listen channel.
2010-09-09 07:17:20 -07:00
Jouni Malinen
d9d6a58c8f P2P: Fix invitation to active group to use correct operating channel
Invitation Request must use the current operating frequency of the
group, not the default operating channel.
2010-09-09 07:17:20 -07:00
Jouni Malinen
d5b20a73b2 P2P: Fix channel forcing for p2p_connect auth 2010-09-09 07:17:19 -07:00
Jouni Malinen
18eff3a3a7 P2P: Use 0-timeout when inviting to running group as client 2010-09-09 07:17:19 -07:00
Jouni Malinen
952f119242 P2P: Add Device Info attribute to Invitation Request
This was added as a mandatory attribute in one of the recent spec
updates.
2010-09-09 07:17:19 -07:00
Jouni Malinen
55a625799f P2P: Add Group Info attr into Probe Response in GO without clients
While there is no real value in this, the spec seems to mark this
attribute as mandatory from GO, so better included it regardless
of whether we have clients or not (the attribute is empty in case
no clients are connected).
2010-09-09 07:17:19 -07:00
Jouni Malinen
80c9582a5f P2P: Add test command for filtering which peers are discovered
"wpa_cli p2p_set peer_filter <MAC address>" can now be used to
only allow a single P2P Device (based on P2P Device Address) to be
discovered for testing. Setting the address to 00:00:00:00:00:00
disables the filter.
2010-09-09 07:17:19 -07:00
Jouni Malinen
9e00ea1aa3 P2P: Fix country string mismatch validation off-by-one offset
0x04 was being checked from incorrect location when skipping country
code validation.
2010-09-09 07:17:19 -07:00
Jouni Malinen
18708aadfc P2P: Initial support for SD fragmentation (GAS Comeback Request/Response) 2010-09-09 07:17:19 -07:00
Jouni Malinen
40c03fd40b P2P: Handle p2p_scan tracking in SEARCH state
Previously, only the initial p2p_scan was used to delay starting new
P2P operations. However, this should have applied to the SEARCH state
scans, too.
2010-09-09 07:17:18 -07:00
Jouni Malinen
b22128efdc P2P: Add initial version of P2P Module 2010-09-09 07:17:17 -07:00