Commit Graph

303 Commits

Author SHA1 Message Date
Chih-Kang Chang
5f05bdb0a7 wifi: rtw89: move enable_cpu/disable_cpu into fw_download
For WoWLAN mode, we need to download WoWLAN firmware by calling
fw_download(). Another, to disable/enable WiFi CPU is needed before
calling fw_download. Since Firmware runs on WiFi CPU, it is intuitive
to combine enable_cpu/disable_cpu functions into fw_download.

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/20221027052707.14605-3-pkshih@realtek.com
2022-11-01 11:26:13 +02:00
Ping-Ke Shih
4feda7f317 wifi: rtw89: fw: adapt to new firmware format of dynamic header
Since firmware size is limited, we create variant firmwares for variant
application areas. To help driver to know firmware's capabilities, firmware
dynamic header is introduced to have more information, such as firmware
features and firmware compile flags.

Since this driver rtw89 only uses single one specific firmware at runtime,
this patch is just to ignore this dynamic header, not actually use the
content.

This patch can be backward compatible, and no this kind of firmware is
added to linux-firmware yet, so I can prepare this in advance.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20221020052549.33783-1-pkshih@realtek.com
2022-11-01 11:23:37 +02:00
Po-Hao Huang
4781320503 wifi: rtw89: fix wrong bandwidth settings after scan
Set channel in driver side to configure Tx power and channel index
correctly after scan. Before this, beacons with bandwidth larger than
20M bandwidth will be dropped by mac80211 due to frequency mismatch.

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/20221007045900.10823-2-pkshih@realtek.com
2022-10-11 19:46:00 +03:00
Po-Hao Huang
54997c2476 wifi: rtw89: correct 6 GHz scan behavior
Change active scan behavior to fit 6GHz requirements. There are many
different rules on active scan between 6GHz and 2GHz/5GHz, so if the
SSID is not specified, do fast passive scanning and limit number of
probe requests we send for now until new firmware can support all
rules.

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/20221007045900.10823-1-pkshih@realtek.com
2022-10-11 19:46:00 +03:00
Dian-Syuan Yang
f4a43c3b95 wifi: rtw89: support for processing P2P power saving
Support P2P client to process Notice of Absence (NoA) mechanism when it
connects with P2P GO applying an NoA schedule. We define some action
types including init, update, remove and terminate in h2c function to
enable/disable NoA schedule.

Signed-off-by: Dian-Syuan Yang <dian_syuan0116@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/20220922010435.12167-6-pkshih@realtek.com
2022-09-24 15:36:28 +03:00
Dian-Syuan Yang
3788c599da wifi: rtw89: send OFDM rate only in P2P mode
Check IEEE80211_TX_CTL_NO_CCK_RATE flag to avoid sending frames with
CCK rates in 2GHz band.

In TX flow, add IEEE80211_TX_CTL_NO_CCK_RATE flag to check and get its
lowest rate without CCK rates if the TX type is mgmt frames or data frames.
Besides, the decision of phy rate and retry rate in P2P mode are also
be handled.

In P2P GO mode, it should send beacon of no CCK rates in its frame rate.
Therefore, We add a condition to decide which rate is added to beacon
content.

Moreover, we avoid setting a mask of rates to be used for rate control
selection before and after connection in P2P mode.

Signed-off-by: Dian-Syuan Yang <dian_syuan0116@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/20220922010435.12167-3-pkshih@realtek.com
2022-09-24 15:36:27 +03:00
Dan Carpenter
4c3140f4ce wifi: rtw89: uninitialized variable on error in rtw89_early_fw_feature_recognize()
If request_partial_firmware_into_buf() fails then "firmware" is not
initialized and the release_firmware(firmware) will crash.

Fixes: deebea35d6 ("wifi: rtw89: early recognize FW feature to decide if chanctx")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/YyMzDtX/3fUBnonC@kili
2022-09-19 13:09:23 +03:00
Po-Hao Huang
812825c2b2 wifi: rtw89: fix rx filter after scan
In monitor mode we should be able to received all packets even if it's not
destined to us. But after scan, the configuration was wrongly set, so we
fix it.

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/20220916033811.13862-7-pkshih@realtek.com
2022-09-19 13:04:45 +03:00
Zong-Zhe Yang
e77d3f8b1b wifi: rtw89: 8852c: support fw crash simulation
With FW >= v0.27.40.0, 8852C FW has feature to handle crash simulation.
Besides, use RTW89_WCPU_BASE_MASK to replace use of RTW89_WCPU_BASE_ADDR
and work for both 8852A and 8852C.

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/20220914035034.14521-4-pkshih@realtek.com
2022-09-19 13:03:38 +03:00
Zong-Zhe Yang
9a785583f0 wifi: rtw89: introudce functions to drop packets
Introudce a H2C feature to drop packets according to given parameters.
And, we implement instances to drop packets from BE, BK, VI, VO queues
by vif or sta. Then, we refine our callback of ieee80211_ops::flush to
deal with the case of drop=true via this feature.

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/20220914035034.14521-3-pkshih@realtek.com
2022-09-19 13:03:38 +03:00
Ping-Ke Shih
8b0f4b5d8b wifi: rtw89: unify use of rtw89_h2c_tx()
Seaprate calling of rtw89_h2c_tx() out of if-expression, and bypass the
return value to upper caller.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220914035034.14521-2-pkshih@realtek.com
2022-09-19 13:03:38 +03:00
Kuan-Chung Chen
0891b366ce wifi: rtw89: support for setting HE GI and LTF
Support setting HE GI and LTF values to the kernel via nl80211.
We currently only support some GI and LTF values settings.

The command example is:
  iw wlan0 set bitrates he-gi-2.4 0.8 he-ltf-2.4 2

Signed-off-by: Kuan-Chung Chen <damon.chen@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/20220912070014.10018-2-pkshih@realtek.com
2022-09-19 13:02:36 +03:00
Ching-Te Ku
c918f5f49f wifi: rtw89: coex: Remove trace_step at COEX-MECH control structure for RTL8852C
RTL8852C don't need to send the data trace_step which used to tell
firmware how many TDMA steps should record. Remove the member.

Signed-off-by: Ching-Te Ku <ku920601@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/20220913092546.43722-7-pkshih@realtek.com
2022-09-19 13:01:38 +03:00
Po-Hao Huang
bd1056d48a wifi: rtw89: split scan including lots of channels
The size limit of H2C commands is 2048. With regulatory that enables
U-NII-6 ~ UNII-8 channels, channel list length combining with channel info
length will exceed that. Split the channel list to parts and do scan
multiple times to workaround that.

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/20220908051257.25353-10-pkshih@realtek.com
2022-09-12 14:52:33 +03:00
Po-Hao Huang
3a1e7cb16d wifi: rtw89: 8852c: support hw_scan
This enables hw_scan function for 52c. The mechanism is similar to 52a
except that it adds modifications required for 6G channels and extends the
command length to make driver compatible to both newer and existing
firmware.

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/20220908051257.25353-9-pkshih@realtek.com
2022-09-12 14:52:33 +03:00
Chin-Yen Lee
5abbb68aca wifi: rtw89: call tx_wake notify for 8852c in deep ps mode
8852c transmits packets with slow response in deep ps mode,
and lead to low throughput. We need to call tx_wake for
each pakcet to trigger firmware wake earlier to avoid it.

Signed-off-by: Chin-Yen Lee <timlee@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/20220908051257.25353-8-pkshih@realtek.com
2022-09-12 14:52:33 +03:00
Chin-Yen Lee
183c8eff5a wifi: rtw89: support deep ps mode for rtw8852c
rtw8852c could support deep ps mode if the firmware version
is greater than 0.17.34.

Signed-off-by: Chin-Yen Lee <timlee@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/20220908051257.25353-7-pkshih@realtek.com
2022-09-12 14:52:33 +03:00
Ping-Ke Shih
5a8e06e49a wifi: rtw89: configure TX path via H2C command
In order to support TX diversity, add a function to control TX path.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220908074140.39776-4-pkshih@realtek.com
2022-09-12 14:51:44 +03:00
Ping-Ke Shih
8b1b4730b0 wifi: rtw89: 8852c: initialize and correct BA CAM content
The bacam_v1 must do additional initialization, and H2C content of BA CAM
is also different. So, correct them accordingly.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220816013247.6243-3-pkshih@realtek.com
2022-09-02 11:35:14 +03:00
Ping-Ke Shih
2def735633 wifi: rtw89: 8852c: declare correct BA CAM number
8852A has 2 BA CAM entries, but 8852C has 8 entries. Add a field to
discriminate their differences.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220816013247.6243-2-pkshih@realtek.com
2022-09-02 11:35:13 +03:00
Ching-Te Ku
e390cf2ebd rtw89: coex: update WL role info v1 for RTL8852C branch using
The H2C format and support feature are different. The newer Wi-Fi firmware
and driver branch need to handshake more information like DBCC or P2P
connection info.

Signed-off-by: Ching-Te Ku <ku920601@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/20220725023509.43114-7-pkshih@realtek.com
2022-09-02 11:32:59 +03:00
Zong-Zhe Yang
deebea35d6 wifi: rtw89: early recognize FW feature to decide if chanctx
In current flow, FW is asynchronously loaded after alloc_hw(). It defers
the decision on FW feature map. It makes things difficult for us to decide
whether to hook chanctx ops, which should be decided while alloc_hw() is
calling. Still, asynchronous gets its advantages. So, we want to resolve
this without dropping them.

Based on multi-FW flag, RTW89_MFW_SIG, we can determine runtime FW is
multi-FW (MFW) or single FW (SFW). Both of them have a quite small chunk
for header at the head. The difference is that MFW doesn't describe version
code in its header while SFW does. So, we plan to extend MFW header for
version code. After that, in both cases, we can determine FW feature map by
just FW header. And, according to the map, we can decide chanctx.

So, we call request_partial_firmware_into_buf() to request a quite small
chunk before alloc_hw() to get a early FW feature map without affecting
things much and only use early map to decide whether to hook chanctx ops.

It means that if non-extended MFW is used at runtime, driver just acts
without chanctx as before. If extended MFW or SFW, which supports required
FW features, is used at runtime, driver can hook chanctx ops to mac80211 if
chip has configured support_chanctx_num > 0.

Besides, key point for now to support single one chanctx is whether HW scan
is supported at runtime. So, we configure all chip's support_chanctx_num to
1, and check if HW scan is supported at runtime via early FW feature map.

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/20220809104952.61355-14-pkshih@realtek.com
2022-09-02 11:29:03 +03:00
Zong-Zhe Yang
bb8152b386 wifi: rtw89: create rtw89_chan centrally to avoid breakage
Sometimes we need to write current rtw89_chan outside set_channel(),
e.g. during HW scan, we adjust it to align FW process through C2H.
However, we don't have full parameters to fill entire rtw89_chan.
And it will breakage if we update only part of current rtw89_chan.
That is what we don't want to see because most flows throughout
driver treat rtw89_chan as a whole.

So, we divide struct rtw89_chan to basic part and derived part. The
basic part contains the parameters which we are always able to know.
And the derived part will be calculated by the basic part. Then, a
central function, rtw89_chan_create(), is added to deal with this.

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/20220809104952.61355-5-pkshih@realtek.com
2022-09-02 11:29:01 +03:00
Zong-Zhe Yang
cbb145b98b wifi: rtw89: re-arrange channel related stuffs under HAL
We are planning to support mac80211 chanctx. To reduce future works,
the driver architecture is adjusted first to isolate related things.

According to chip, our HW may have multiple sub-entities to support
multiple mac80211 chanctx. Struct rtw89_chan has been introduced for
things about channel/band/subband/... Now introduce struct rtw89_chan_rcd
to record difference after assigning new one of struct rtw89_chan.

We will implement and support chanctx with single channel first, i.e.
only use entry in RTW89_SUB_ENTITY_0, before handling dual channels.

Our hierarchy in planning will become as the following.
DEV
-> HAL
---> entity (manage status across sub-entities)
-----> sub-entity[*] (support mac80211 chanctx)
where each sub-entity contains one struct rtw89_chan.

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/20220809104952.61355-4-pkshih@realtek.com
2022-09-02 11:29:00 +03:00
Ping-Ke Shih
39913cc885 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.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220610072610.27095-4-pkshih@realtek.com
2022-06-21 09:15:47 +03:00
Shaul Triebitz
6e8912a503 wifi: mac80211: return a beacon for a specific link
Pass the link id through to the get_beacon and return
the beacon for a specific link id.

Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-06-20 12:57:08 +02:00
Po Hao Huang
6d7d1fef3f rtw89: fix null vif pointer when hw_scan fails
Add this check to avoid crash by dereferencing a null pointer. When hwscan
fails due to no memory or dma failure, the scan flag in ieee80211_local is
cleared. So mac80211 determine that it's not hw_scan then calls
sw_scan_complete() with null vif, which is also freed during the fail.

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/20220520071731.38563-3-pkshih@realtek.com
2022-05-30 12:35:58 +03:00
Po Hao Huang
28000f7baa rtw89: fix channel inconsistency during hw_scan
Previously channel maintained by driver could be different from the
ones hardware actually is. Restore these variables back to prevent
unexpected behavior.

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/20220520071731.38563-2-pkshih@realtek.com
2022-05-30 12:35:57 +03:00
Zong-Zhe Yang
a06d2dd7e2 rtw89: convert rtw89_band to nl80211_band precisely
Before 6 GHz band was supported, i.e. only 2 GHz and 5 GHz, they were the
same from the numerical point of view. However, after 6 GHz band support,
we need to do this conversion logically.

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/20220516005215.5878-6-pkshih@realtek.com
2022-05-17 18:32:00 +03:00
Ping-Ke Shih
16b44ed0ff rtw89: add RF H2C to notify firmware
IQK results in hardware has two copies that are used by firmware to switch
these two to support MCC.

This H2C tell firmware the corresponding channel and band of each IQK
results, and currrent one.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220421120903.73715-10-pkshih@realtek.com
2022-04-24 14:30:35 +03:00
Ping-Ke Shih
04b5983ef7 rtw89: add new H2C to configure security CAM via DCTL for V1 chip
DCTL is short for D-MAC control that V1 chip uses this H2C to configure
security CAM. Implement the callers in next patch.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220413010804.8941-3-pkshih@realtek.com
2022-04-13 09:26:51 +03:00
Ping-Ke Shih
aa7f148bed rtw89: extend H2C of CMAC control info
In order to support new chip that has capability of 160M, we need new
format to fill new information, so add a new V1 ID for newer use. Since
most fields are the same, fill fields according to the function ID of chip.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220413010804.8941-2-pkshih@realtek.com
2022-04-13 09:26:51 +03:00
Sriram R
046d2e7c50 mac80211: prepare sta handling for MLO support
Currently in mac80211 each STA object is represented
using sta_info datastructure with the associated
STA specific information and drivers access ieee80211_sta
part of it.

With MLO (Multi Link Operation) support being added
in 802.11be standard, though the association is logically
with a single Multi Link capable STA, at the physical level
communication can happen via different advertised
links (uniquely identified by Channel, operating class,
BSSID) and hence the need to handle multiple link
STA parameters within a composite sta_info object
called the MLD STA. The different link STA part of
MLD STA are identified using the link address which can
be same or different as the MLD STA address and unique
link id based on the link vif.

To support extension of such a model, the sta_info
datastructure is modified to hold multiple link STA
objects with link specific params currently within
sta_info moved to this new structure. Similarly this is
done for ieee80211_sta as well which will be accessed
within mac80211 as well as by drivers, hence trivial
driver changes are expected to support this.

For current non MLO supported drivers, only one link STA
is present and link information is accessed via 'deflink'
member.

For MLO drivers, we still need to define the APIs etc. to
get the correct link ID and access the correct part of
the station info.

Currently in mac80211, all link STA info are accessed directly
via deflink. These will be updated to access via link pointers
indexed by link id with MLO support patches, with link id
being 0 for non MLO supported cases.

Except for couple of macro related changes, below spatch takes
care of updating mac80211 and driver code to access to the
link STA info via deflink.

  @ieee80211_sta@
  struct ieee80211_sta *s;
  struct sta_info *si;
  identifier var = {supp_rates, ht_cap, vht_cap, he_cap, he_6ghz_capa, eht_cap, rx_nss, bandwidth, txpwr};
  @@

  (
    s->
  -    var
  +    deflink.var
  |
   si->sta.
  -    var
  +    deflink.var
  )

  @sta_info@
  struct sta_info *si;
  identifier var = {gtk, pcpu_rx_stats, rx_stats, rx_stats_avg, status_stats, tx_stats, cur_max_bandwidth};
  @@

  (
    si->
  -    var
  +    deflink.var
  )

Signed-off-by: Sriram R <quic_srirrama@quicinc.com>
Link: https://lore.kernel.org/r/1649086883-13246-1-git-send-email-quic_srirrama@quicinc.com
[remove MLO-drivers notes from commit message, not clear yet; run spatch]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-04-11 16:42:03 +02:00
Po Hao Huang
65ee4971a2 rtw89: fix misconfiguration on hw_scan channel time
Without this patch, hw scan won't stay long enough on DFS/passive
channels. Found previous logic error and fix it.

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/20220401055043.12512-5-pkshih@realtek.com
2022-04-06 11:56:33 +03:00
Ping-Ke Shih
a95bd62ec0 rtw89: add chip_info::h2c_desc_size/fill_txdesc_fwcmd to support new chips
8852A and 8852C use different H2C header and size, so add h2c_desc_size
to allocate different header size and fill content by fill_txdesc_fwcmd.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220318023214.32411-8-pkshih@realtek.com
2022-04-06 10:48:15 +03:00
Zong-Zhe Yang
edb896297a rtw89: support FW crash simulation
Originally, there is already a mechanism, SER (system error recover),
to deal with HW/FW recovery. After FW v0.13.36.0, FW supports a H2C
(host to chip) command to make a CPU exception. Then, SER is supposed
to catch this FW crash and do L2 reset. This feature is a simulation
to verify if flow of recovering from FW crash works.

Usage of fw_crash debugfs is as the following.
$ echo 1 > fw_crash	// trigger FW crash and wait SER handling
$ cat fw_crash		// return 0 if restart has been done

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/20220314071250.40292-9-pkshih@realtek.com
2022-04-06 10:46:03 +03:00
Zong-Zhe Yang
11fe4ccda8 rtw89: reconstruct fw feature
As the fw features gradually increase, it would be better that
we have a set of methods to maintain fw features instead of using
scattered bool variables.

We reconstruct the way fw recognize features, and introduce
RTW89_CHK_FW_FEATURE() / RTW89_SET_FW_FEATURE() to check / set
fw features for uses.

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/20220314071250.40292-8-pkshih@realtek.com
2022-04-06 10:46:02 +03:00
Ping-Ke Shih
d179c1f1c3 rtw89: fix uninitialized variable of rtw89_append_probe_req_ie()
smatch reports that:
  fw.c:1997 rtw89_append_probe_req_ie() error: uninitialized symbol 'ret'.

This can be a issue only if no band is supported by the chip, but it is
impossible. So, it is still safe without this patch.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220311020007.20414-1-pkshih@realtek.com
2022-03-16 17:49:04 +02:00
Ping-Ke Shih
e8955811c6 rtw89: add chip_info::{h2c,c2h}_reg to support more chips
This is a register-based H2C/C2H interface to exchange data with firmware.
Since the register addresses of 8852A and 8852C are different, add fields
to chip_info to support this.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220307060457.56789-9-pkshih@realtek.com
2022-03-10 18:43:09 +02:00
Chin-Yen Lee
7bfd05ff4e rtw89: add tx_wake notify for low ps mode
We found management frames get stuck when wifi chip
enters low ps mode. So we add one notify wake function
to trigger wifi chip into normal mode before forwarding
management frames.

Signed-off-by: Chin-Yen Lee <timlee@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/20220225030851.13327-3-pkshih@realtek.com
2022-03-09 13:38:34 +02:00
Po Hao Huang
8959077797 rtw89: 8852a: add ieee80211_ops::hw_scan
Declare this function allows us to use customized scanning policy, so
each scan takes less time. This is a similar implementation to hw_scan
in rtw88, except that we offload more items to firmware and extend the
maximum IE length. For backward compatibility, we fallback to sw_scan
when firmware does not support this feature.

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/20220225030851.13327-2-pkshih@realtek.com
2022-03-09 13:38:23 +02:00
Ping-Ke Shih
ff66964a94 rtw89: extend role_maintain to support AP mode
Fill mac_id and self_role depends on the operation mode.

In AP mode, echo connected station has an unique mac_id, and each vif also
has one mac_id to represent itself.

The self_role is assigned to vif if the operation mode is decided, and
RTW89_SELF_ROLE_AP_CLIENT is assigned to the connected STA in AP mode,

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220207063900.43643-2-pkshih@realtek.com
2022-02-10 10:40:49 +02:00
Ping-Ke Shih
8b252070d7 rtw89: rename vif_maintain to role_maintain
The H2C_FUNC_MAC_FWROLE_MAINTAIN also maintains the roles of all connected
stations; not just the role of VIF. So, I correct the name, but don't
change the logic at all.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220107034239.22002-9-pkshih@realtek.com
2022-01-28 17:56:37 +02:00
Ping-Ke Shih
742c470b57 rtw89: extend firmware commands on states of sta_assoc and sta_disconnect
The h2c_join firmware command is used to indicate a station is connected,
and the assoc_cmac_tbl firmware command is used to set CMAC table
corresponding to a mac_id. Both commands must work in both station and AP
modes. Use the mac_id of rtw89_sta naturally and intuitively.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220107034239.22002-8-pkshih@realtek.com
2022-01-28 17:56:37 +02:00
Ping-Ke Shih
f7e76d13bb rtw89: download beacon content to firmware
Firmware sends out beacon content generated by mac80211, and then stations
can receive beacon and work with this AP properly. Also, we download
beacon content again if TIM is changed.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220107034239.22002-4-pkshih@realtek.com
2022-01-28 17:56:35 +02:00
Ping-Ke Shih
3ffbb5a8b8 rtw89: correct use of BA CAM
BA CAM is used to ACK peer's packets, so it must be established when
IEEE80211_AMPDU_RX_START, and free it by IEEE80211_AMPDU_RX_STOP.

The hardware can support two static BA CAM entries, so I implement a bitmap
and a struct to record which entry is used and its corresponding tid. Also,
the hardware can learn and create dynamic BA CAM entries automatically if
received packets don't match static BA CAM. That means it can still work if
we don't use H2C to set static BA CAM. An exception is tid=0 should be
always allocated in static BA CAM, so an existing static BA CAM will be
replaced if it is full and peer is going to establish a BA with tid=0.

The new firmware use new format of this H2C, so I upgrade it as well.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220104012052.6911-1-pkshih@realtek.com
2022-01-28 17:56:11 +02:00
Ping-Ke Shih
20d9fc889a rtw89: remove duplicate definition of hardware port number
RTW89_MAX_HW_PORT_NUM and RTW89_PORT_NUM refer to the same thing, so remove
the one of them.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20211227083134.35248-1-pkshih@realtek.com
2022-01-28 17:55:25 +02:00
Jakub Kicinski
294e70c952 This time we have:
* ndo_fill_forward_path support in mac80211, to let
    drivers use it
  * association comeback notification for userspace,
    to be able to react more sensibly to long delays
  * support for background radar detection hardware
    in some chipsets
  * SA Query Procedures offload on the AP side
  * more logging if we find problems with HT/VHT/HE
  * various cleanups and minor fixes
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Merge tag 'mac80211-next-for-net-next-2021-12-21' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next

Johannes Berg says:

====================
This time we have:
 * ndo_fill_forward_path support in mac80211, to let drivers use it
 * association comeback notification for userspace, to be able
   to react more sensibly to long delays
 * support for background radar detection hardware in some chipsets
 * SA Query Procedures offload on the AP side
 * more logging if we find problems with HT/VHT/HE
 * various cleanups and minor fixes

Conflicts:

net/wireless/reg.c:
  e08ebd6d7b ("cfg80211: Acquire wiphy mutex on regulatory work")
  701fdfe348 ("cfg80211: Enable regulatory enforcement checks for drivers supporting mesh iface")
  https://lore.kernel.org/r/20211221111950.57ecc6a7@canb.auug.org.au

drivers/net/wireless/ath/ath10k/wmi.c:
  7f599aeccb ("cfg80211: Use the HE operation IE to determine a 6GHz BSS channel")
  3bf2537ec2 ("ath10k: drop beacon and probe response which leak from other channel")
  https://lore.kernel.org/r/20211221115004.1cd6b262@canb.auug.org.au

* tag 'mac80211-next-for-net-next-2021-12-21' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next: (32 commits)
  cfg80211: Enable regulatory enforcement checks for drivers supporting mesh iface
  rfkill: allow to get the software rfkill state
  cfg80211: refactor cfg80211_get_ies_channel_number()
  nl82011: clarify interface combinations wrt. channels
  nl80211: Add support to offload SA Query procedures for AP SME device
  nl80211: Add support to set AP settings flags with single attribute
  mac80211: add more HT/VHT/HE state logging
  cfg80211: Use the HE operation IE to determine a 6GHz BSS channel
  cfg80211: rename offchannel_chain structs to background_chain to avoid confusion with ETSI standard
  mac80211: Notify cfg80211 about association comeback
  cfg80211: Add support for notifying association comeback
  mac80211: introduce channel switch disconnect function
  cfg80211: Fix order of enum nl80211_band_iftype_attr documentation
  cfg80211: simplify cfg80211_chandef_valid()
  mac80211: Remove a couple of obsolete TODO
  mac80211: fix FEC flag in radio tap header
  mac80211: use coarse boottime for airtime fairness code
  ieee80211: change HE nominal packet padding value defines
  cfg80211: use ieee80211_bss_get_elem() instead of _get_ie()
  mac80211: Use memset_after() to clear tx status
  ...
====================

Link: https://lore.kernel.org/r/20211221112532.28708-1-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-12-21 07:41:52 -08:00
Ping-Ke Shih
40822e0790 rtw89: fix sending wrong rtwsta->mac_id to firmware to fill address CAM
With wrong rtwsta->mac_id, it can't send out ack properly when we receive
assoc response occasionally. Then, it failed to connect an AP.

The cause is that we store 'sta' and use it somewhere. To correct this,
remove the variable and use mac_id in drv_priv of 'sta' or 'vif' passed
by mac80211.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20211201080607.11211-1-pkshih@realtek.com
2021-12-08 20:30:12 +02:00
Ping-Ke Shih
e45a9e6265 rtw89: update scan_mac_addr during scanning period
Update scan_mac_addr to address CAM as A1, so hardware can ACK probe
response properly.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20211111023706.14154-2-pkshih@realtek.com
2021-12-08 20:27:17 +02:00
Miri Korenblit
75c5bd68b6 ieee80211: change HE nominal packet padding value defines
It's easier to use and understand, and to extend for EHT later,
if we use the values here instead of the shifted values.

Unfortunately, we need to add _POS so that we can use it in
places like iwlwifi/mvm where constants are needed.

While at it, fix the typo ("NOMIMAL") which also helps catch any
conflicts.

Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://lore.kernel.org/r/20211126104817.7c29a05b8eb5.I2ca9faf06e177e3035bec91e2ae53c2f91d41774@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2021-11-28 21:53:04 +01:00
Ping-Ke Shih
5737b4515d rtw89: update partition size of firmware header on skb->data
The partition size is used to tell hardware the size of piece we are going
to send a firmware. The old code updates the size in constant buffer of
firmware, and leads system crash.

To fix this, update the size on skb->data after we copy the firmware data
into skb.

Buglink: https://bugzilla.opensuse.org/show_bug.cgi?id=1188303
Fixes: e3ec7017f6 ("rtw89: add Realtek 802.11ax driver")
Reported-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Tested-by: Takashi Iwai <tiwai@suse.de>
Tested-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20211119054512.10620-2-pkshih@realtek.com
2021-11-22 20:42:15 +02:00
Ping-Ke Shih
e3ec7017f6 rtw89: add Realtek 802.11ax driver
This driver named rtw89, which is the next generation of rtw88, supports
Realtek 8852AE 802.11ax 2x2 chip whose new features are OFDMA, DBCC,
Spatial reuse, TWT and BSS coloring; now some of them aren't implemented
though.

The chip architecture is entirely different from the chips supported by
rtw88 like RTL8822CE 802.11ac chip. First of all, register address ranges
are totally redefined, so it's impossible to reuse register definition. To
communicate with firmware, new H2C/C2H format is proposed. In order to have
better utilization, TX DMA flow is changed to two stages DMA. To provide
rich RX status information, additional RX PPDU packets are added.

Since there are so many differences mentioned above, we decide to propose
a new driver. It has many authors, they are listed in alphabetic order:

Chin-Yen Lee <timlee@realtek.com>
Ping-Ke Shih <pkshih@realtek.com>
Po Hao Huang <phhuang@realtek.com>
Tzu-En Huang <tehuang@realtek.com>
Vincent Fann <vincent_fann@realtek.com>
Yan-Hsuan Chuang <tony0620emma@gmail.com>
Zong-Zhe Yang <kevin_yang@realtek.com>

Tested-by: Aaron Ma <aaron.ma@canonical.com>
Tested-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20211008035627.19463-1-pkshih@realtek.com
2021-10-13 09:01:12 +03:00