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When the firmware says that the channel switch is happening, we check
that we know about that switch by checking the csa_active bit.
Until now, we checked the bss_conf from the vif instead of taking the
bss_conf of the link.
Fix that.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230620125813.63f835a4f578.I0bb2a231e4da506b7c751dc23a428558f9ecfa75@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Ensure that the TX command scratch fits into the buffer
provided by the first TB. It does, of course, but add
some build-time validations in case we touch this code.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230620125813.8f54f2990b92.If19a038dfd633d4601e3d44dd0ff678bc0a851e9@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
We have three places doing this check, and even in
slightly different ways (with/without an intermediate).
Refactor that to a new small inline function.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230620125813.f3e87ddd5bce.Ifefba753043b68c394590a35bc6914a0f6497fd3@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Retrieve the Power Spectral Density (PSD) value from RNR AP
information entry and store it so it could be used by the drivers.
PSD value is explained in Section 9.4.2.170 of Draft
P802.11Revme_D2.0.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230619161906.067ded2b8fc3.I9f407ab5800cbb07045a0537a513012960ced740@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
For extended elements, we currently only calculate the CRC
for some of them, but really we should do it also for the
rest that we care about, such as EHT operation and multi-
link.
Also, while at it, it seems we should do it even if they
aren't well-formed, so we notice if that changes.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230619161906.93235d5c8651.I6615cb3c1244bc9618066baa2bdad7982e9abd1f@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
struct sta_info may be removed without holding sta_mtx if it has not
yet been inserted. To support this, only assert that the lock is held
for links other than the deflink.
This fixes lockdep issues that may be triggered in error cases.
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230619161906.cdd81377dea0.If5a6734b4b85608a2275a09b4f99b5564d82997f@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Due to all the multi-link handling, we now expose the fact that
the sdata/vif is locked to drivers, e.g. when the driver uses
ieee80211_set_monitor_channel(). This was true when a chanctx
is added to or removed from a link, _except_ in monitor mode
with the virtual sdata/vif. Change that, so that drivers can
make that assumption.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230619161906.a5cf7534beda.I5b51664231abee27e02f222083df7ccf88722929@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
When receiving a multi-link association response, make sure to
track the BSS parameter change count for each link, including
the assoc link.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230619161906.1799c164e7e9.I8e2c1f5eec6eec3fab525ae2dead9f6f099a2427@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
We should not receive/handle unicast protected dual
or public action frames that aren't protected, so
drop them - in the latter case of course only if MFP
is used.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230619161906.eb4461108129.I3c2223cf29d8a3586dfc74b2dda3f6fa2a4eea7c@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
When MFP is used, drop unprotected robust management frames also
before the 4-way handshake has been completed, i.e. no key has
been installed yet.
Signed-off-by: Alon Giladi <alon.giladi@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230619183718.cfbefddccd0c.Ife369dbb61c87e311ce15739d5b2b4763bfdfbae@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Felix has a git tree for mt76 patches, document that.
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Acked-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230614144704.505553-1-kvalo@kernel.org
A firmware contains basic header, sections and optional dynamic header.
Define them by a struct, so it will be easier to understand the layout,
and also simply access these elements.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230616060601.28460-1-pkshih@realtek.com
Some old declarations about TX power stuffs were named with confusing
`_max`. But, they mean "the number of". So we change them to be named
with `_num`.
(No logic is changed.)
Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230616060523.28396-1-pkshih@realtek.com
RTL8851B is a chip with only single RF path, and it must use 1 TX power
value for transmission, so force 1 TX power value to prevent hardware
logic gets wrong TX power values randomly in certain samples.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230615130442.18116-6-pkshih@realtek.com
The main change is to adjust RX calibration groups from {0,1,2,3} to {0,2}
in 5 GHz, so reduce elements from 4 to 2, and use index to iterate them.
Meanwhile, always do RX narrowband calibration (ID_NBRXK) for each group.
NCTL is used to assist IQK, so also update NCTL to 0x6 along with internal
tag HALRF_029_00_103.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230615130442.18116-5-pkshih@realtek.com
LCK is short for LC Tank calibration. To keep RF performance, do this
calibration if difference of thermal value is over a threshold.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230615130442.18116-4-pkshih@realtek.com
Update 8851B TX power tables to RF version R28.
TX power tables' changes:
* TX power limit and TX power shape:
update 5 GHz configurations for FCC and IC
Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230615130442.18116-3-pkshih@realtek.com
Without this patch, firmware only track beacons for port 0 and since
we will always start AP on port 0, this results in misbehavior of
power saving mode on other ports after AP stops.
The "default port" H2C command is used to notify which port should
firmware track. Update the correct settings to firmware so power
saving mode can work properly.
Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230616125540.36877-7-pkshih@realtek.com
Since register based H2C commands don't need endian conversion.
Introduce a new API that don't do conversion and send it directly.
New caller are expected to encode with cpu order and gradually
replace the old ones.
Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230616125540.36877-6-pkshih@realtek.com
When traversing channel list, TX in high queue should be disabled
along with beacon function, so packets won't be sent to incorrect
channels.
Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230616125540.36877-5-pkshih@realtek.com
The flush period may not always intersect with DTIM and when that
happens, an error log "timed out to flush pci TX ring[6]" is shown.
Bypass this since hardware will do proper transmission on the next
DTIM period for broadcast/multicast packets in high queue.
Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230616125540.36877-4-pkshih@realtek.com
Broadcast and multicast packets in high queue should be transmitted
all at once during DTIM. But without proper settings, hardware fails
to recognize that there are multiple packets and fetches only one.
Fix this by signaling hardware with more data bit set when there are
packets in the high queue.
Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230616125540.36877-3-pkshih@realtek.com
Remove macros that set TX descriptors. Use struct and
le32_encode_bits() with mask definitions.
Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230616125540.36877-2-pkshih@realtek.com
In the wpa_supplicant rekey flow, it sends an EAPOL packet 4/4 through
nl80211_tx_control_port() and triggers wake_tx_queue() in the driver.
Then, it sends nl80211_new_key() to configure a new key in mac80211.
However, in wake_tx_queue(), a workqueue is used to process the tx packet,
which might cause the driver to process the EAPOL packet later than
nl80211_new_key(). As a result, the EAPOL 4/4 packet is dropped by mac80211
due to the rekey configuration being finished. The EAPOL packets belongs to
VO packets that need high priority. Therefore, we process VO packets
directly without workqueue to ensure that packets can process immediately.
VO is normally used by voice application that is low traffic load and low
latency, that doesn't affect user experience.
We test iperf with VO packets(iperf3 -P4 -u -b 10000M -S 0xdf)
before after
TX throughput 162M 162M
ping RTT 3.8ms 3.7ms
Signed-off-by: Chih-Kang Chang <gary.chang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230616031713.16769-1-pkshih@realtek.com
For combo chips, antennas were controlled by bluetooth only during
power on. If WiFi wish to do transmission, notification to the coexistence
module are required. Previously we only do this before authentication.
To allow transmission before auth, such as management TX, now we start
the initiation of coexistence earlier so antennas are shared between
WiFi and bluetooth after set_channel(), and frames could then be sent.
Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230615114348.7193-1-pkshih@realtek.com
Fix the following gcc 13.1 warning observed with W=1:
drivers/net/wireless/intel/iwlwifi/dvm/rs.c:207:39: warning:
‘iwl_rate_mcs’ defined but not used [-Wunused-const-variable=]
This table is actually used in 'rs_sta_dbgfs_scale_table_read()'
only if CONFIG_MAC80211_DEBUGFS is enabled, so the whole thing
may be moved close to its actual use.
Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru>
Link: https://lore.kernel.org/r/20230619103900.300628-1-dmantipov@yandex.ru
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
An AP reporting colocated APs may send more than one reduced neighbor
report element. As such, iterate all elements instead of only parsing
the first one when looking for colocated APs.
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230618214436.ffe2c014f478.I372a4f96c88f7ea28ac39e94e0abfc465b5330d4@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The error handling code would break out of the loop incorrectly,
causing the rest of the message to be misinterpreted. Fix this by
also jumping out of the surrounding while loop, which will trigger
the error detection code.
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230618214436.0ffac98475cf.I6f5c08a09f5c9fced01497b95a9841ffd1b039f8@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
There were crashes reported in this code, and the timer_shutdown()
warning in one of the previous patches indicates that the timeout
timer for the AP response (addba_resp_timer) is still armed while
we're stopping the aggregation session.
After a very long deliberation of the code, so far the only way I
could find that might cause this would be the following sequence:
- session start requested
- session start indicated to driver, but driver returns
IEEE80211_AMPDU_TX_START_DELAY_ADDBA
- session stop requested, sets HT_AGG_STATE_WANT_STOP
- session stop worker runs ___ieee80211_stop_tx_ba_session(),
sets HT_AGG_STATE_STOPPING
From here on, the order doesn't matter exactly, but:
1. driver calls ieee80211_start_tx_ba_cb_irqsafe(),
setting HT_AGG_STATE_START_CB
2. driver calls ieee80211_stop_tx_ba_cb_irqsafe(),
setting HT_AGG_STATE_STOP_CB
3. the worker will run ieee80211_start_tx_ba_cb() for
HT_AGG_STATE_START_CB
4. the worker will run ieee80211_stop_tx_ba_cb() for
HT_AGG_STATE_STOP_CB
(the order could also be 1./3./2./4.)
This will cause ieee80211_start_tx_ba_cb() to send out the AddBA
request frame to the AP and arm the timer, but we're already in
the middle of stopping and so the ieee80211_stop_tx_ba_cb() will
no longer assume it needs to stop anything.
Prevent this by checking for WANT_STOP/STOPPING in the start CB,
and warn if we're sending a frame on a stopping session.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230618214436.e5b52777462a.I0b2ed6658e81804279f5d7c9c1918cb1f6626bf2@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This is all true today, but difficult to understand since
the callers are in other files etc. Add two new lockdep
assertions to make things easier to read.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230618214436.7f03dec6a90b.I762c11e95da005b80fa0184cb1173b99ec362acf@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
There are cases where keeping sdata locked for an operation. Add a
variant that does not take sdata lock to permit these usecases.
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
There are cases where keeping sdata locked for an operation. Add a
variant that does not take sdata lock to permit these usecases.
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
STA MLD setup links may get removed if AP MLD remove the corresponding
affiliated APs with Multi-Link reconfiguration as described in
P802.11be_D3.0, section 35.3.6.2.2 Removing affiliated APs. Currently,
there is no support to notify such operation to cfg80211 and userspace.
Add support for the drivers to indicate STA MLD setup links removal to
cfg80211 and notify the same to userspace. Upon receiving such
indication from the driver, clear the MLO links information of the
removed links in the WDEV.
Signed-off-by: Veerendranath Jakkam <quic_vjakkam@quicinc.com>
Link: https://lore.kernel.org/r/20230317142153.237900-1-quic_vjakkam@quicinc.com
[rename function and attribute, fix kernel-doc]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
If a link is disabled on 6GHz, we should not send a probe request on the
channel to resolve it. Simply skip such RNR entries so that the link is
ignored.
Userspace can still see the link in the RNR and may generate an ML probe
request in order to associate to the (currently) disabled link.
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230618214436.4f7384006471.Iff8f1081e76a298bd25f9468abb3a586372cddaa@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
