Commit Graph

9 Commits

Author SHA1 Message Date
Arik Nemtsov 7adc3e4664 mac80211: make sure TDLS peer STA exists during setup
Make sure userspace added a TDLS peer station before invoking the
transmission of the first setup frame. This ensures packets to the peer
won't go through the AP path.

Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2014-06-23 14:28:18 +02:00
Arik Nemtsov c887f0d3a0 mac80211: add API to request TDLS operation from userspace
Write a mac80211 to the cfg80211 API for requesting a userspace TDLS
operation. Define TDLS specific reason codes that can be used here.

Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2014-06-23 14:28:17 +02:00
Arik Nemtsov db67d661e8 mac80211: implement proper Tx path flushing for TDLS
As the spec mandates, flush data in the AP path before transmitting the
first setup frame. Data packets transmitted during setup are already
dropped in the Tx path.

For the teardown flow, flush all packets in the direct path before
transmitting the teardown frame. Un-authorize the peer sta after teardown
is sent, forcing all subsequent Tx to the peer through the AP.

Make sure to flush the queues when disabling the link to get the
teardown packet out.

Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com>
[adjust to Luca's new quuee API and stop only vif queues]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2014-06-23 14:27:58 +02:00
Arik Nemtsov 191dd46905 mac80211: split tdls_mgmt function
There are setup/teardown specific actions to be done that accompany
the sending of a TDLS management packet. Split the main function to
simplify future additions.

Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2014-06-23 14:24:55 +02:00
Arik Nemtsov 2fb6b9b8e5 mac80211: use TDLS initiator in tdls_mgmt operations
The TDLS initiator is set once during link setup. If determines the
address ordering in the link identifier IE.
Use the value from userspace in order to have a correct teardown packet.
With the current code, a teardown from the responder side fails the TDLS
MIC check because of a bad link identifier IE.

Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2014-06-23 14:24:55 +02:00
Arik Nemtsov 31fa97c5de cfg80211: pass TDLS initiator in tdls_mgmt operations
The TDLS initiator is set once during link setup. If determines the
address ordering in the link identifier IE.

Fix dependent drivers - mwifiex and mac80211.

Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2014-06-23 14:24:55 +02:00
Arik Nemtsov 17e6a59a36 mac80211: cleanup TDLS state during failed setup
When setting up a TDLS session, register a delayed work to remove
the peer if setup times out. Prevent concurrent setups to support this
capacity.

Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2014-06-23 14:24:55 +02:00
Johannes Berg 3b3a0162fa cfg80211: constify MAC addresses in cfg80211 ops
This propagates through all the drivers and mac80211.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2014-05-19 17:34:42 +02:00
Arik Nemtsov 95224fe83e mac80211: move TDLS code to another file
With new additions planned, this code is getting too big for cfg.c.

Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2014-05-05 15:56:15 +02:00