linux-toradex.git/net/mac80211/mlme.c, branch v5.8

mac80211: initialize return flags in HE 6 GHz operation parsing

2020-06-05T12:33:51+00:00

Dan points out that if ieee80211_chandef_he_6ghz_oper() succeeds,
we don't initialize 'ret'. Initialize it to 0 in this case, since
everything went fine and nothing has to be disabled.

Reported-by: Dan Carpenter 
Fixes: 57fa5e85d53c ("mac80211: determine chandef from HE 6 GHz operation")
Signed-off-by: Johannes Berg 
Link: https://lore.kernel.org/r/20200603111500.bd2a5ff37b83.I2c3f338ce343b581db493eb9a0d988d1b626c8fb@changeid
Signed-off-by: Johannes Berg

mac80211: set short_slot for 6 GHz band

2020-05-31T09:27:22+00:00

Set short slot also for 6 GHz band, just like 5 GHz.

Signed-off-by: Tova Mussai 
Link: https://lore.kernel.org/r/20200528213443.75f38e6f5efd.I272fbae402b03123f04e9ae69204eeab960c70cd@changeid
Signed-off-by: Johannes Berg

mac80211: Consider 6 GHz band when handling power constraint

2020-05-31T09:27:20+00:00

Treat it like the 5 GHz band.

Signed-off-by: Ilan Peer 
Link: https://lore.kernel.org/r/20200528213443.889e5c9dd006.Id8ed3bb8000ba8738be5df05639415eb2e23c61a@changeid
Signed-off-by: Johannes Berg

mac80211: use HE 6 GHz band capability and pass it to the driver

2020-05-31T09:27:03+00:00

In order to handle 6 GHz AP side, take the HE 6 GHz band capability
data and pass it to the driver (which needs it for A-MPDU spacing
and A-MPDU length).

Link: https://lore.kernel.org/r/1589399105-25472-6-git-send-email-rmanohar@codeaurora.org
Co-developed-by: Rajkumar Manoharan 
Signed-off-by: Rajkumar Manoharan 
Link: https://lore.kernel.org/r/20200528213443.784e4890d82f.I5f1230d5ab27e84e7bbe88e3645b24ea15a0c146@changeid
Signed-off-by: Johannes Berg

mac80211: check the correct bit for EMA AP

2020-05-31T09:26:59+00:00

An AP supporting EMA (Enhanced Multi-BSSID advertisement) should set
bit 83 in the extended capabilities IE (9.4.2.26 in the 802.11ax D5 spec).
So the *3rd* bit of the 10th byte should be checked.
Also, in one place, the wrong byte was checked.
(cfg80211_find_ie returns a pointer to the beginning of the IE,
 so the data really starts at ie[2], so the 10th byte
 should be ie[12]. To avoid this confusion, use cfg80211_find_elem
 instead).

Signed-off-by: Shaul Triebitz 
Link: https://lore.kernel.org/r/20200528213443.4316121fa2a3.I9745582f8d41ad8e689dac0fefcd70b276d7c1ea@changeid
Signed-off-by: Johannes Berg

mac80211: determine chandef from HE 6 GHz operation

2020-05-31T09:26:52+00:00

Support connecting to HE 6 GHz APs and mesh networks on 6 GHz,
where the HT/VHT information is missing but instead the HE 6 GHz
band capability is present, and the 6 GHz Operation information
field is used to encode the channel configuration instead of the
HT/VHT operation elements.

Also add some other bits needed to connect to 6 GHz networks.

Link: https://lore.kernel.org/r/1589399105-25472-10-git-send-email-rmanohar@codeaurora.org
Co-developed-by: Rajkumar Manoharan 
Signed-off-by: Rajkumar Manoharan 
Link: https://lore.kernel.org/r/20200528213443.25687d2695bc.I3f9747c1147480f65445f13eda5c4a5ed4e86757@changeid
Signed-off-by: Johannes Berg

mac80211: avoid using ext NSS high BW if not supported

2020-05-31T09:26:50+00:00

If the AP advertises inconsistent data, namely it has CCFS1 or CCFS2,
but doesn't advertise support for 160/80+80 bandwidth or "Extended NSS
BW Support", then we cannot use any MCSes in the the higher bandwidth.
Thus, avoid connecting with higher bandwidth since it's less efficient
that way.

Link: https://lore.kernel.org/r/20200528213443.0e55d40c3ccc.I6fd0b4708ebd087e5e46466c3e91f6efbcbef668@changeid
Signed-off-by: Johannes Berg

mac80211: add HE 6 GHz Band Capability element

2020-05-31T09:26:39+00:00

Construct HE 6 GHz band capability element (IEEE 802.11ax/D6.0,
9.4.2.261) for association request and mesh beacon. The 6 GHz
capability information is passed by driver through iftypes caps.

Signed-off-by: Rajkumar Manoharan 
Link: https://lore.kernel.org/r/1589399105-25472-7-git-send-email-rmanohar@codeaurora.org
[handle SMPS, adjust for previous patches, reserve SKB space properly,
 change to handle SKB directly]
Link: https://lore.kernel.org/r/20200528213443.643aa8101111.I3f9747c1147480f65445f13eda5c4a5ed4e86757@changeid
Signed-off-by: Johannes Berg

mac80211: add freq_offset to RX status

2020-04-24T10:33:43+00:00

RX status needs a KHz component, so add freq_offset. We
can reduce the bits for the frequency since 60 GHz isn't
supported.

Signed-off-by: Thomas Pedersen 
Link: https://lore.kernel.org/r/20200402011810.22947-5-thomas@adapt-ip.com
[fix commit message]
Signed-off-by: Johannes Berg

mac80211: handle channel frequency offset

2020-04-24T10:33:43+00:00

cfg80211_chan_def and ieee80211_channel recently gained a
frequency offset component. Handle this where it makes
sense (potentially required by S1G channels).

For IBSS, TDLS, CSA, and ROC we return -EOPNOTSUPP if a
channel with frequency offset is passed, since they may or
may not work. Once someone tests and verifies these
commands work on thos types of channels, we can remove
that error.

join_ocb and join_mesh look harmless because they use a
simple ieee80211_vif_use_channel(), which is using an
already verified channel, so we let those through.

Signed-off-by: Thomas Pedersen 
Link: https://lore.kernel.org/r/20200402011810.22947-4-thomas@adapt-ip.com
Signed-off-by: Johannes Berg