Deren Wu [Sat, 18 Jun 2022 10:56:44 +0000 (18:56 +0800)]
mt76: mt7921: enlarge maximum VHT MPDU length to 11454
Enlarge maximum MPDU length to 11454 that both mt7921/mt7922 can support.
After this fixing, we can get better performance.
Fixes: 5c14a5f944b9 ("mt76: mt7921: introduce mt7921e support") Tested-by: Ming Yen Hsieh <mingyen.hsieh@mediatek.com> Signed-off-by: Deren Wu <deren.wu@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
Deren Wu [Thu, 16 Jun 2022 15:57:43 +0000 (23:57 +0800)]
mt76: mt7921: fix aggregation subframes setting to HE max
mt7921/mt7922 support HE max aggregation subframes 256 for both tx/rx.
Get better throughput then before.
Fixes: 94bb18b03d43 ("mt76: mt7921: fix max aggregation subframes setting") Tested-by: Ming Yen Hsieh <mingyen.hsieh@mediatek.com> Reviewed-by: Sean Wang <sean.wang@mediatek.com> Signed-off-by: Deren Wu <deren.wu@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
Lorenzo Bianconi [Mon, 13 Jun 2022 12:07:08 +0000 (14:07 +0200)]
mt76: mt7921: do not update pm states in case of error
Do not update pm stats if mt7921e_mcu_fw_pmctrl routine returns an
error.
Fixes: 36873246f78a2 ("mt76: mt7921: add awake and doze time accounting") Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
Lorenzo Bianconi [Mon, 13 Jun 2022 12:03:28 +0000 (14:03 +0200)]
mt76: mt7615: do not update pm stats in case of error
Do not update pm stats if mt7615_mcu_fw_pmctrl returns an error.
Fixes: abe912ae3cd42 ("mt76: mt7663: add awake and doze time accounting") Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
Deren Wu [Wed, 8 Jun 2022 12:53:26 +0000 (20:53 +0800)]
mt76: mt7921: fix command timeout in AP stop period
Due to AP stop improperly, mt7921 driver would face random command timeout
by chip fw problem. Migrate AP start/stop process to .start_ap/.stop_ap and
congiure BSS network settings in both hooks.
The new flow is shown below.
* AP start
.start_ap()
configure BSS network resource
set BSS to connected state
.bss_info_changed()
enable fw beacon offload
* AP stop
.bss_info_changed()
disable fw beacon offload (skip this command)
.stop_ap()
set BSS to disconnected state (beacon offload disabled automatically)
destroy BSS network resource
Fixes: 116c69603b01 ("mt76: mt7921: Add AP mode support") Signed-off-by: Sean Wang <sean.wang@mediatek.com> Signed-off-by: Deren Wu <deren.wu@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
Deren Wu [Wed, 8 Jun 2022 12:53:25 +0000 (20:53 +0800)]
mt76: mt7921: not support beacon offload disable command
Beacon disable flow would be handled in bss stop handler automatically.
Force return -EOPNOTSUPP in disable case.
Fixes: 116c69603b01 ("mt76: mt7921: Add AP mode support") Reviewed-by: Sean Wang <sean.wang@mediatek.com> Signed-off-by: Deren Wu <deren.wu@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
Deren Wu [Tue, 7 Jun 2022 05:00:46 +0000 (13:00 +0800)]
mt76: enable the VHT extended NSS BW feature
According IEEE Std 802.11-2020, its definition is:
Indicates whether the STA is capable of interpreting the Extended NSS BW
Support subfield of the VHT Capabilities Information field.
Some APs, such as Xiaomi AX6000, would check this one for BW settings.
mt76 driver can get max BW capability only if the this field is confgured
properly.
Reviewed-by: Ryder Lee <ryder.lee@mediatek.com> Signed-off-by: Ming Yen Hsieh <mingyen.hsieh@mediatek.com> Signed-off-by: Deren Wu <deren.wu@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
mt76: connac: move mt76_connac2_load_patch in connac module
Move mt76_connac2_load_patch utility routine in mt76_connac module since
it is shared between mt7921 and mt7915. This is a preliminary patch to
support mt7902e driver.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
mt76: connac: move mt76_connac2_load_ram in connac module
Move mt76_connac2_load_ram utility routine in mt76_connac module since
it is shared between mt7921 and mt7915. This is a preliminary patch to
support mt7902e driver.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
mt76: connac: move shared fw structures in connac module
Move mt76_connac2 fw structures in connac module since they are shared
between mt7921 and mt7915 drivers. This is a preliminary patch to add
mt7902e support.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
mt76: mt7921: add missing bh-disable around rx napi schedule
napi_schedule() can call __raise_softirq_irqoff(), which can perform
softirq handling, so it must not be called in a pure process context
with BH enabled.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
Felix Fietkau [Thu, 2 Jun 2022 19:44:21 +0000 (21:44 +0200)]
mt76: mt7615: add missing bh-disable around rx napi schedule
napi_schedule() can call __raise_softirq_irqoff(), which can perform softirq
handling, so it must not be called in a pure process context with BH enabled.
Felix Fietkau [Thu, 2 Jun 2022 19:43:04 +0000 (21:43 +0200)]
mt76: mt7915: add missing bh-disable around tx napi enable/schedule
napi_schedule() can call __raise_softirq_irqoff(), which can perform softirq
handling, so it must not be called in a pure process context with BH enabled.
Peter Chiu [Thu, 12 May 2022 04:38:59 +0000 (12:38 +0800)]
dt-bindings: net: wireless: mt76: add clock description for MT7986.
Add clocks and clock-names for MT7986.
Reviewed-by: Ryder Lee <ryder.lee@mediatek.com> Signed-off-by: Peter Chiu <chui-hao.chiu@mediatek.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
YN Chen [Sat, 28 May 2022 01:28:54 +0000 (09:28 +0800)]
mt76: mt7921s: fix firmware download random fail
To avoid racing problems in chip, mt7921s should reacquire drv-own after
firmware semaphore is released.
Fixes: 78b217580c509 ("mt76: mt7921s: fix bus hang with wrong privilege") Signed-off-by: YN Chen <yn.chen@mediatek.com> Signed-off-by: Deren Wu <deren.wu@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
Deren Wu [Fri, 20 May 2022 09:03:39 +0000 (17:03 +0800)]
mt76: mt7921: introduce ACPI SAR config in tx power
Add new function mt7921_set_tx_sar_pwr() to update SAR power from
.set_sar_specs and ACPI setting. Both settings would be merged into
mt76_freq_range_power for final tx power value.
Reviewed-by: Sean Wang <sean.wang@mediatek.com> Co-developed-by: Ming Yen Hsieh <mingyen.hsieh@mediatek.com> Signed-off-by: Ming Yen Hsieh <mingyen.hsieh@mediatek.com> Signed-off-by: Deren Wu <deren.wu@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
Deren Wu [Fri, 20 May 2022 09:03:38 +0000 (17:03 +0800)]
mt76: mt7921: introduce ACPI SAR support
In ACPI SAR enabled device, mt7921 should read power limit in ACPI config.
The limit value would be applied to regular tx power settings in mt76.
Two major functionalities added:
1. Get SAR power table through ACPI.
2. Read power in Dynamic/Geo SAR table for tx power limit.
Table note
MTDS: Dynamic SAR table
MTGS: Geo SAR table
MTCL: Country List table (for 6GHz support)
Reviewed-by: Sean Wang <sean.wang@mediatek.com> Co-developed-by: Quan Zhou <quan.zhou@mediatek.com> Signed-off-by: Quan Zhou <quan.zhou@mediatek.com> Co-developed-by: Ming Yen Hsieh <mingyen.hsieh@mediatek.com> Signed-off-by: Ming Yen Hsieh <mingyen.hsieh@mediatek.com> Signed-off-by: Deren Wu <deren.wu@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
Lorenzo Bianconi [Tue, 17 May 2022 16:05:59 +0000 (18:05 +0200)]
mt76: mt7915: fix endianness in mt7915_rf_regval_get
Fix the following sparse warning in mt7915_rf_regval_get routine:
drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c:979:16: warning: cast to restricted __le32
Fixes: 0a17329ae9c1f ("mt76: mt7915: add debugfs knob for RF registers read/write") Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
wifi: mac80211: fix center freq calculation in ieee80211_chandef_downgrade
When mac80211 downgrades working bandwidth, the
center_freq and center_freq1 need to be recalculated.
There is a typo in the case of downgrading bandwidth from
320MHz to 160MHz which would cause a wrong frequency value.
wifi: nl80211: fix sending link ID info of associated BSS
commit dd374f84baec ("wifi: nl80211: expose link ID for associated
BSSes") used a top-level attribute to send link ID of the associated
BSS in the nested attribute NL80211_ATTR_BSS. But since NL80211_ATTR_BSS
is a nested attribute of the attributes defined in enum nl80211_bss,
define a new attribute in enum nl80211_bss and use it for sending the
link ID of the BSS.
Fixes: dd374f84baec ("wifi: nl80211: expose link ID for associated BSSes") Signed-off-by: Veerendranath Jakkam <quic_vjakkam@quicinc.com> Reviewed-by: Jeff Johnson <quic_jjohnson@quicinc.com> Link: https://lore.kernel.org/r/20220708122607.1836958-1-quic_vjakkam@quicinc.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
wifi: cfg80211: fix a comment in cfg80211_mlme_mgmt_tx()
A comment in cfg80211_mlme_mgmt_tx() is describing this API used only
for transmitting action frames. Fix the comment since
cfg80211_mlme_mgmt_tx() can be used to transmit any management frame.
wifi: nl80211: Fix reading NL80211_ATTR_MLO_LINK_ID in nl80211_pre_doit
nl80211_pre_doit() using nla_get_u16() to read u8 attribute
NL80211_ATTR_MLO_LINK_ID. Fix this by using nla_get_u8() to
read NL80211_ATTR_MLO_LINK_ID attribute.
Aloka Dixit [Mon, 23 May 2022 06:49:04 +0000 (23:49 -0700)]
wifi: nl80211: retrieve EHT related elements in AP mode
Add support to retrieve EHT capabilities and EHT operation elements
passed by the userspace in the beacon template and store the pointers
in struct cfg80211_ap_settings to be used by the drivers.
wifi: cfg80211: Increase akm_suites array size in cfg80211_crypto_settings
Increase akm_suites array size in struct cfg80211_crypto_settings to 10
and advertise the capability to userspace. This allows userspace to send
more than two AKMs to driver in netlink commands such as
NL80211_CMD_CONNECT.
This capability is needed for implementing WPA3-Personal transition mode
correctly with any driver that handles roaming internally. Currently,
the possible AKMs for multi-AKM connect can include PSK, PSK-SHA-256,
SAE, FT-PSK and FT-SAE. Since the count is already 5, increasing
the akm_suites array size to 10 should be reasonable for future
usecases.
Johannes Berg [Mon, 27 Jun 2022 10:49:03 +0000 (12:49 +0200)]
wifi: cfg80211: remove chandef check in cfg80211_cac_event()
The current check only worked for AP mode, but we can do
radar detection in mesh as well (for example). We could
try to check this using wdev_chandef(), but we also don't
really care since the chandef is passed in and we have no
need to use it anymore (since we added the argument in
commit d2859df5e7f0 ("cfg80211/mac80211: DFS setup chandef
for cac event")).
Change-Id: I856e4344d5e64ff4d2eead0b4c53b11f264be9b8 Fixes: 7b0a0e3c3a88 ("wifi: cfg80211: do some rework towards MLO link APIs") Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Johannes Berg [Mon, 27 Jun 2022 10:49:03 +0000 (12:49 +0200)]
wifi: nl80211: relax wdev mutex check in wdev_chandef()
In many cases we might get here from driver code that's
not really set up to care about the locking, and for the
non-MLO cases we really don't care so much about it. So
relax the checking here for now, perhaps we should even
remove it completely since we might not really care if
we point to an invalid link's chandef and can require
the caller to check the link validity first.
Fixes: 7b0a0e3c3a88 ("wifi: cfg80211: do some rework towards MLO link APIs") Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Johannes Berg [Mon, 27 Jun 2022 10:43:37 +0000 (12:43 +0200)]
wifi: nl80211: hold wdev mutex for tid config
We need wdev_chandef() in this code, which now requires
the wdev mutex due to the per-link nature. Hold it here
to make sure we can access the link.
Reported-by: syzbot+b4e9aa0f32ffd9902442@syzkaller.appspotmail.com Fixes: 7b0a0e3c3a88 ("wifi: cfg80211: do some rework towards MLO link APIs") Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Johannes Berg [Mon, 27 Jun 2022 10:36:03 +0000 (12:36 +0200)]
wifi: cfg80211: handle IBSS in channel switch
Prior to commit 7b0a0e3c3a88 ("wifi: cfg80211: do some
rework towards MLO link APIs") the interface type didn't
really matter here, but now we need to handle all of the
possible cases. Add IBSS ("ADHOC") and handle it.
Fixes: 7b0a0e3c3a88 ("wifi: cfg80211: do some rework towards MLO link APIs") Reported-by: syzbot+90d912872157e63589e4@syzkaller.appspotmail.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Johannes Berg [Mon, 27 Jun 2022 10:28:31 +0000 (12:28 +0200)]
wifi: mac80211: properly skip link info driver update
If the interface isn't (yet) added to the driver, skip the
link info update. This was previously done for the BSS info
changes, but I forgot to copy the same check here.
Felix Fietkau [Sat, 25 Jun 2022 21:24:11 +0000 (23:24 +0200)]
wifi: mac80211: only accumulate airtime deficit for active clients
When a client does not generate any local tx activity, accumulating airtime
deficit for the round-robin scheduler can be harmful. If this goes on for too
long, the deficit could grow quite large, which might cause unreasonable
initial latency once the client becomes active
Felix Fietkau [Sat, 25 Jun 2022 21:24:09 +0000 (23:24 +0200)]
wifi: mac80211: add a per-PHY AQL limit to improve fairness
In order to maintain fairness, the amount of queueing needs to be limited
beyond the simple per-station AQL budget, otherwise the driver can simply
repeatedly do scheduling rounds until all queues that have not used their
AQL budget become eligble.
To be conservative, use the high AQL limit for the first txq and add half
of the low AQL for each subsequent queue.
Felix Fietkau [Sat, 25 Jun 2022 21:24:07 +0000 (23:24 +0200)]
wifi: mac80211: consider aql_tx_pending when checking airtime deficit
When queueing packets for a station, deficit only gets added once the packets
have been transmitted, which could be much later. During that time, a lot of
temporary unfairness could happen, which could lead to bursty behavior.
Fix this by subtracting the aql_tx_pending when checking the deficit in tx
scheduling.
The virtual time scheduler code has a number of issues:
- queues slowed down by hardware/firmware powersave handling were not properly
handled.
- on ath10k in push-pull mode, tx queues that the driver tries to pull from
were starved, causing excessive latency
- delay between tx enqueue and reported airtime use were causing excessively
bursty tx behavior
The bursty behavior may also be present on the round-robin scheduler, but there
it is much easier to fix without introducing additional regressions
wifi: mac80211: add a missing comma at kernel-doc markup
The lack of the colon makes it not parse the function parameter:
include/net/mac80211.h:6250: warning: Function parameter or member 'vif' not described in 'ieee80211_channel_switch_disconnect'
wifi: cfg80211: fix kernel-doc warnings all over the file
There are currently 17 kernel-doc warnings on this file:
include/net/cfg80211.h:391: warning: Function parameter or member 'bw' not described in 'ieee80211_eht_mcs_nss_supp'
include/net/cfg80211.h:437: warning: Function parameter or member 'eht_cap' not described in 'ieee80211_sband_iftype_data'
include/net/cfg80211.h:507: warning: Function parameter or member 's1g' not described in 'ieee80211_sta_s1g_cap'
include/net/cfg80211.h:1390: warning: Function parameter or member 'counter_offset_beacon' not described in 'cfg80211_color_change_settings'
include/net/cfg80211.h:1390: warning: Function parameter or member 'counter_offset_presp' not described in 'cfg80211_color_change_settings'
include/net/cfg80211.h:1430: warning: Enum value 'STATION_PARAM_APPLY_STA_TXPOWER' not described in enum 'station_parameters_apply_mask'
include/net/cfg80211.h:2195: warning: Function parameter or member 'dot11MeshConnectedToAuthServer' not described in 'mesh_config'
include/net/cfg80211.h:2341: warning: Function parameter or member 'short_ssid' not described in 'cfg80211_scan_6ghz_params'
include/net/cfg80211.h:3328: warning: Function parameter or member 'kck_len' not described in 'cfg80211_gtk_rekey_data'
include/net/cfg80211.h:3698: warning: Function parameter or member 'ftm' not described in 'cfg80211_pmsr_result'
include/net/cfg80211.h:3828: warning: Function parameter or member 'global_mcast_stypes' not described in 'mgmt_frame_regs'
include/net/cfg80211.h:4977: warning: Function parameter or member 'ftm' not described in 'cfg80211_pmsr_capabilities'
include/net/cfg80211.h:5742: warning: Function parameter or member 'u' not described in 'wireless_dev'
include/net/cfg80211.h:5742: warning: Function parameter or member 'links' not described in 'wireless_dev'
include/net/cfg80211.h:5742: warning: Function parameter or member 'valid_links' not described in 'wireless_dev'
include/net/cfg80211.h:6076: warning: Function parameter or member 'is_amsdu' not described in 'ieee80211_data_to_8023_exthdr'
include/net/cfg80211.h:6949: warning: Function parameter or member 'sig_dbm' not described in 'cfg80211_notify_new_peer_candidate'
Address them, in order to build a better documentation from this
header.
Ping-Ke Shih [Mon, 13 Jun 2022 06:51:44 +0000 (14:51 +0800)]
wifi: rtw89: 8852a: rfk: fix div 0 exception
The DPK is a kind of RF calibration whose algorithm is to fine tune
parameters and calibrate, and check the result. If the result isn't good
enough, it could adjust parameters and try again.
This issue is to read and show the result, but it could be a negative
calibration result that causes divisor 0 and core dump. So, fix it by
phy_div() that does division only if divisor isn't zero; otherwise,
zero is adopted.
TX BD (TX ring index) and TX WD (WiFi descriptor buffer) are freed
asynchronously. With burst packets, we free TX WD, but the corresponding
TX BD couldn't be freed yet. Then, TX can possibly get stuck due to no
more TX BD.
To avoid this, ignore reclaiming TX BD only if TX WD is no free space,
because at this moment TX BD must have some spaces. Otherwise, we reclaim
TX BD to resolve TX stuck issue.
Ping-Ke Shih [Fri, 10 Jun 2022 07:26:08 +0000 (15:26 +0800)]
wifi: rtw89: fix long RX latency in low power mode
In low power mode, regular IO is power off, so we don't schedule napi to
poll RX and TX completion. Therefore, calling ieee80211_rx_napi() with
napi instance causes long RX latency. To fix this, use NULL as argument,
and then it can use netif_receive_skb_list() to receive.
Ping-Ke Shih [Fri, 10 Jun 2022 07:26:07 +0000 (15:26 +0800)]
wifi: rtw89: drop invalid TX rate report of legacy rate
Somehow, firmware could report invalid TX rate, and we consider the
invalid rate as 0 that will make a wrong decision. So, drop invalid
reports, and also suppress the warning message.
Ping-Ke Shih [Fri, 10 Jun 2022 07:26:06 +0000 (15:26 +0800)]
wifi: rtw89: add UNEXP debug mask to keep monitor messages unexpected to happen frequently
Some warning messages could bother users. With proper handling, these
situations don't really affect usage, but we still need to keep monitor
these messages. If they happen frequently, we must review driver or
hardware design to clarify.
Kuan-Chung Chen [Fri, 10 Jun 2022 07:26:05 +0000 (15:26 +0800)]
wifi: rtw89: enable VO TX AMPDU
To improve VO throughput, we enable VO TX AMPDU.
We measure the latency of enable or disable VO TX AMPDU. The experimental
results show that the difference between the two is insignificant only
300µs, so the little impact can be ignored for user experience.
Moreover, we found some APs will have a group key handshake timeout issue
when the EAPOL's TID is already setup BA session. Therefore, when
transmitting EAPOL, if EAPOL's TID BA session is already setup, we need
to delete it.
Kuan-Chung Chen [Fri, 10 Jun 2022 07:26:04 +0000 (15:26 +0800)]
wifi: rtw89: fix potential TX stuck
The potential TX stuck occurs when there are lots of packets to be
transmitted and the boundary of the tx_resource is hit. Add this
patch to avoid the TX stuck when burst traffic.
Ping-Ke Shih [Fri, 10 Jun 2022 07:26:02 +0000 (15:26 +0800)]
wifi: rtw89: allocate BSSID CAM per TDLS peer
In STA mode, if peer is TDLS. Allocate a BSSID CAM entry with peer's
address to match address properly, and then hardware can ACK peer's
packets and receive packets to driver.
Ping-Ke Shih [Fri, 10 Jun 2022 07:26:01 +0000 (15:26 +0800)]
wifi: rtw89: separate BSSID CAM operations
Normally, we allocate a BSSID CAM to a vif. By hardware design, we must
allocate a BSSID CAM to each TDLS peer, so separate BSSID CAM operations
that will be used by later patches.
Alexey Kodanev [Wed, 8 Jun 2022 17:16:14 +0000 (20:16 +0300)]
wifi: iwlegacy: 4965: fix potential off-by-one overflow in il4965_rs_fill_link_cmd()
As a result of the execution of the inner while loop, the value
of 'idx' can be equal to LINK_QUAL_MAX_RETRY_NUM. However, this
is not checked after the loop and 'idx' is used to write the
LINK_QUAL_MAX_RETRY_NUM size array 'lq_cmd->rs_table[idx]' below
in the outer loop.
The fix is to check the new value of 'idx' inside the nested loop,
and break both loops if index equals the size. Checking it at the
start is now pointless, so let's remove it.
cfg80211: Indicate MLO connection info in connect and roam callbacks
The MLO links used for connection with an MLD AP are decided by the
driver in case of SME offloaded to driver.
Add support for the drivers to indicate the information of links used
for MLO connection in connect and roam callbacks, update the connected
links information in wdev from connect/roam result sent by driver.
Also, send the connected links information to userspace.
Add a netlink flag attribute to indicate that userspace supports
handling of MLO connection. Drivers must not do MLO connection when this
flag is not set. This is to maintain backwards compatibility with older
supplicant versions which doesn't have support for MLO connection.
Signed-off-by: Veerendranath Jakkam <quic_vjakkam@quicinc.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Johannes Berg [Mon, 13 Jun 2022 14:52:02 +0000 (16:52 +0200)]
wifi: nl80211: expose link ID for associated BSSes
When retrieving scan data, expose not just whether or not the
interface (possibly an MLD) is associated to the BSS or not,
but also on which link ID if it is an MLD.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Shaul Triebitz [Mon, 6 Jun 2022 17:03:17 +0000 (20:03 +0300)]
wifi: mac80211_hwsim: send a beacon per link
Add to hwsim a link_data structure.
For now, move the beacon interval and beacon timer to
the link_data structure (making them per link).
Set a beacon timer for each link and transmit a per
link beacon (pass the link_id to ieee80211_beacon_get).
Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Johannes Berg [Tue, 14 Jun 2022 11:07:42 +0000 (13:07 +0200)]
wifi: mac80211: maintain link-sta hash table
Maintain a hash table of link-sta addresses so we can find
them for management frames etc. where addresses haven't
been replaced by the drivers to the MLD address yet.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Johannes Berg [Wed, 15 Jun 2022 07:20:45 +0000 (09:20 +0200)]
wifi: mac80211: RCU-ify link STA pointers
We need to be able to access these in a race-free way under
traffic while adding/removing them, so RCU-ify the pointers.
This requires passing a link_sta to a lot of functions so
we don't have to do the RCU handling everywhere.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
projects / thirdparty / kernel / linux.git / log
