kernel.git/net/mac80211/iface.c, branch linux-4.6.y

mac80211: fix statistics leak if dev_alloc_name() fails

2016-04-27T08:06:58Z

In the case that dev_alloc_name() fails, e.g. because the name was given by the user and already exists, we need to clean up properly and free the per-CPU statistics. Fix that. Cc: stable@vger.kernel.org Fixes: 5a490510ba5f ("mac80211: use per-CPU TX/RX statistics") Signed-off-by: Johannes Berg

mac80211: expose txq queue depth and size to drivers

2016-02-24T08:04:30Z

This will allow drivers to make more educated decisions whether to defer transmission or not. Relying on wake_tx_queue() call count implicitly was not possible because it could be called without queued frame count actually changing on software tx aggregation start/stop code paths. It was also not possible to know how long byte-wise queue was without dequeueing. Signed-off-by: Michal Kazior Signed-off-by: Johannes Berg

mac80211: fix txq queue related crashes

2016-02-24T08:04:26Z

The driver can access the queue simultanously while mac80211 tears down the interface. Without spinlock protection this could lead to corrupting sk_buff_head and subsequently to an invalid pointer dereference. Fixes: ba8c3d6f16a1 ("mac80211: add an intermediate software queue implementation") Signed-off-by: Michal Kazior Signed-off-by: Johannes Berg

mac80211: process and save VHT MU-MIMO group frame

2016-01-14T10:13:10Z

The Group ID Management frame is an Action frame of category VHT. It is transmitted by the AP to assign or change the user position of a STA for one or more group IDs. Process and save the group membership data. Notify underlying driver of changes. Signed-off-by: Sara Sharon Signed-off-by: Emmanuel Grumbach Signed-off-by: Johannes Berg

mac80211: don't teardown sdata on sdata stop

2015-12-02T21:27:27Z

Interfaces are being initialized (setup) on addition, and torn down on removal. However, p2p device is being torn down when stopped, resulting in the next p2p start operation being done on uninitialized interface. Solve it by calling ieee80211_teardown_sdata() only on interface removal (for the non-netdev case). Signed-off-by: Eliad Peller Signed-off-by: Emmanuel Grumbach [squashed in fix to call teardown after unregister] Signed-off-by: Johannes Berg

mac80211: ensure we don't update tx power on a non-running sdata

2015-11-20T10:38:50Z

We can't update the Tx power on the device unless it is running. This fixes https://bugzilla.kernel.org/show_bug.cgi?id=101521. Cc: stable@vger.kernel.org Signed-off-by: Emmanuel Grumbach Signed-off-by: Johannes Berg

mac80211: make enable_qos parameter to ieee80211_set_wmm_default()

2015-11-03T09:55:55Z

The function currently determines this value, for use in bss_info.qos, based on the interface type itself. Make it a parameter instead and set it with the same logic for now. Signed-off-by: Johannes Berg

mac80211: remove PM-QoS listener

2015-10-14T16:04:08Z

As this API has never really seen any use and most drivers don't ever use the value derived from it, remove it. Change the only driver using it (rt2x00) to simply use the DTIM period instead of the "max sleep" time. Signed-off-by: Johannes Berg

mac80211: process skb_queue while scanning in HW

2015-09-22T13:21:20Z

Queued frames aren't processed during scan, which results in an inability to complete the BA session establishment until the scan ends. Since we can't tx frames until the BA agreement setup is complete, it might result in a very large latency during scan. Fix this by allowing to process queued skbs while scanning in HW. This should be ok since the devices which support hw scan should be able to handle tx/rx while scanning. During SW scan, mac80211 drops any txed frames besides probes and NDPs, so it is still needed to delay processing of the queued frames till the SW scan is done. Signed-off-by: Andrei Otcheretianski Signed-off-by: Emmanuel Grumbach Signed-off-by: Johannes Berg

mac80211: add rate mask logic for vht rates

2015-08-14T15:49:51Z

Define rc_rateidx_vht_mcs_mask array and rate_idx_match_vht_mcs_mask() method in order to apply mcs mask for vht rates Signed-off-by: Lorenzo Bianconi Signed-off-by: Johannes Berg