Turn off coexistence driver control, let firmware can control the
traffic during scan. This prevents potential unexpected behavior of
the BT driver.
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/20220401055043.12512-4-pkshih@realtek.com
Add a dummy function for packet offload to eliminate warning message
"c2h class 1 func 2 not support". This c2h is for debug purpose and
its presence itself can do the work, so further parsing won't be
required for now.
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/20220401055043.12512-3-pkshih@realtek.com
Previously we only consider single interface's status, idle mode
behavior could be unexpected when multiple interfaces is active.
Change to enter/leave idle mode by mac80211's configuration state.
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/20220401055043.12512-2-pkshih@realtek.com
Address info registers are used to configure size of DMA address info to
point skb->data. With different size, it can support different number of
scatters.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220325060055.58482-6-pkshih@realtek.com
The pre_init is used to initialize partial PCI function during PCI probe.
It doesn't need to initialize all functions, so probe can be faster.
Signed-off-by: Chia-Yuan Li <leo.li@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/20220325060055.58482-4-pkshih@realtek.com
The PCI code of 8852AE and 8852CE are different, but the flow and register
names are similar. To reuse the code, add a struct to define register or
value accordingly. We also use chip id to control the slightly different
flow.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220325060055.58482-2-pkshih@realtek.com
ath.git patches for v5.19. Major changes:
ath11k
* Wake-on-WLAN support for QCA6390 and WCN6855
* device recovery (firmware restart) support for QCA6390 and WCN6855
wcn36xx
* support for transmit rate reporting to user space
No need to have goto for a return statement, so simplify the code. While at it,
print warning messages if power up calls fail.
No functional changes.
Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03003-QCAHSPSWPL_V1_V2_SILICONZ_LITE-2
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20220401173042.17467-4-kvalo@kernel.org
While reviewing the mhi.c I noticed we were just ignoring the errors coming
from MHI subsystem during suspend and resume. Add proper checks and warning
messages. Also pass the error value to callers.
Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03003-QCAHSPSWPL_V1_V2_SILICONZ_LITE-2
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20220401173042.17467-3-kvalo@kernel.org
State machines are difficult to understand and in this case it's just useless,
which is shown by the diffstat. So remove it entirely to make the code simpler.
No functional changes.
Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03003-QCAHSPSWPL_V1_V2_SILICONZ_LITE-2
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20220401173042.17467-2-kvalo@kernel.org
The smatch reports:
rtw8852a.c:1857 rtw8852a_btc_set_wl_txpwr_ctrl() error: uninitialized symbol '_cur'.
rtw8852a.c:1858 rtw8852a_btc_set_wl_txpwr_ctrl() error: uninitialized symbol '_cur'.
This is because rtw89_mac_txpwr_read32() can possibly return before setting
argument _cur, and the caller will use the uninitialized value. To fix this
problem, check the return value of rtw89_mac_txpwr_read32().
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220318035202.42437-1-pkshih@realtek.com
8852C uses different fields to represent RX bandwidth. Since other fields
are the same, I check chip_id to get bandwidth instead of creating another
v1 function.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220318023214.32411-12-pkshih@realtek.com
The newer chip will generate security header itself, so don't set
IEEE80211_KEY_FLAG_GENERATE_IV in this kind of chip. But, it needs to fill
key_index, PN and 802.11 header length to TX descriptor, and then hardware
uses these to generate security header.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220318023214.32411-11-pkshih@realtek.com
The txdesc is descriptor related to skb->data. The v1 version contains
8 dwords txwd_body and 6 dwords txwd_info, and the format is also different
from original one.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220318023214.32411-10-pkshih@realtek.com
The txaddr_info is used to fill the DMA address of skb->data. The v1
version can support up to 10 entries, but the maximum size of each entry
is 2047, so it fill more than one entry for large packet, like 3000 bytes.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220318023214.32411-9-pkshih@realtek.com
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
Bypass IGI, known as Rx gain, adjustment flow for incompatible hardware
architectures.
Signed-off-by: Johnson Lin <johnson.lin@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/20220318023214.32411-7-pkshih@realtek.com
Refinement of DIG flow, a mechanism to adjust Rx gain for better Rx
performance, by packing IGI(initial gain index) configuration flow into
one function.
Signed-off-by: Johnson Lin <johnson.lin@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/20220318023214.32411-6-pkshih@realtek.com
Update notes:
Configure rtw89_regulatory for 6G band according to country.
Adjust country GB to use RTW89_UK entry on all bands.
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/20220318023214.32411-5-pkshih@realtek.com
Wrap regd debug dump into a macro and add dump for 6G band field.
Extend the macro used to configure regd table to account for multiple
bands beyond 2G and 5G.
And the follow-up commit will configure the corresponding values for
6G band into regd table.
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/20220318023214.32411-4-pkshih@realtek.com
Update notes:
TX power by rate table is not changed.
TX power limit table configures values for UK.
TX power limit RU table configures values for UK.
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/20220318023214.32411-3-pkshih@realtek.com
Add RTW89_UK to enum rtw89_regulation_type.
The follow-up commit will configure the corresponding values for it
to TX power tables.
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/20220318023214.32411-2-pkshih@realtek.com
An export symbol costs about 40 bytes (in x86 with gcc), so use a structure
containing these small arrays to reduce code size.
text data bss dec hex filename
34932 1410 0 36342 8df6 mac.o (before)
34276 1258 0 35534 8ace mac.o (after)
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220315015522.11366-1-pkshih@realtek.com
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
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
Read FW backtrace entry through FW reserved payload engine, and then
add FW backtrace dump during SER (system error recover) L2 reset process.
It contains a list of RA (return address) and SP (stack pointer) which
gives us a chance to trace back the call stack of FW.
Moreover, if core dump might have wrong content due to error during
dumping, we won't invoke device core dump framework. For this case,
rtw89_ser_cd_free() is added to free buffer by ourselves.
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/20220314071250.40292-7-pkshih@realtek.com
When FW encounters exception or assertion, SER L2 reset process will start.
It will dump some error information and re-download FW eventually. Since
such errors are usually critical, we would like to keep more information
about error to increase possibility of analysis and debugging FW. We first
add FW payload engine (fw reserved playoad engine, fw_rsvd_ple) memory
dump. FW will record things like CPU registers, backtrace entry, etc. in it
for debugging.
Moreover, device core dump framework is used and wrapped to collect kinds
of dumps during SER L2 reset process.
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/20220314071250.40292-6-pkshih@realtek.com
While SER (system error recover) is processing, it's supposed to mean
something is under recovery. So, disable interrupts (excluding the one
of halt which could be used during SER) to avoid unexpected behavior.
And then, enable interrupts after SER is 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/20220314071250.40292-5-pkshih@realtek.com
The raw error code might combine error scenario and error status.
But, the error scenario isn't parsed previously. It makes us mishandle
cpu exception and assertion. Now, we correct the error status for them.
Besides, a few uses of error status are refined.
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/20220314071250.40292-4-pkshih@realtek.com
Previously, mac_mem_base_addr_table was declared in debug.c locally
because it's only used via debugfs to dump mac memory. Now, we plan to
refine SER (system error recover) flow which will also need to dump mac
memory to somewhere as information for error which is catched. So, we
move mac_mem_base_addr_table to mac.c rtw89_mac_mem_base_addrs earlier
as common code.
(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/20220314071250.40292-3-pkshih@realtek.com
The CAM, meaning address CAM and bssid CAM here, will get leaks during
SER (system error recover) L2 reset process and ieee80211_restart_hw()
which is called by L2 reset process eventually.
The normal flow would be like
-> add interface (acquire 1)
-> enter ips (release 1)
-> leave ips (acquire 1)
-> connection (occupy 1) <(A) 1 leak after L2 reset if non-sec connection>
The ieee80211_restart_hw() flow (under connection)
-> ieee80211 reconfig
-> add interface (acquire 1)
-> leave ips (acquire 1)
-> connection (occupy (A) + 2) <(B) 1 more leak>
Originally, CAM is released before HW restart only if connection is under
security. Now, release CAM whatever connection it is to fix leak in (A).
OTOH, check if CAM is already valid to avoid acquiring multiple times to
fix (B).
Besides, if AP mode, release address CAM of all stations before HW restart.
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/20220314071250.40292-2-pkshih@realtek.com
Previously we only consider single interface's status, idle mode
behavior could be unexpected when multiple interfaces is active.
Change to enter/leave idle mode by mac80211's configuration state.
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/20220318034316.40720-1-pkshih@realtek.com
In [1], Will raised a potential issue that the cfg80211 code,
which does (from a locking perspective)
rtnl_lock()
wiphy_lock()
rtnl_unlock()
might be suspectible to ABBA deadlocks, because rtnl_unlock()
calls netdev_run_todo(), which might end up calling rtnl_lock()
again, which could then deadlock (see the comment in the code
added here for the scenario).
Some back and forth and thinking ensued, but clearly this can't
happen if the net_todo_list is empty at the rtnl_unlock() here.
Clearly, the code here cannot actually put an entry on it, and
all other users of rtnl_unlock() will empty it since that will
always go through netdev_run_todo(), emptying the list.
So the only other way to get there would be to add to the list
and then unlock the RTNL without going through rtnl_unlock(),
which is only possible through __rtnl_unlock(). However, this
isn't exported and not used in many places, and none of them
seem to be able to unregister before using it.
Therefore, add a WARN_ON() in the code to ensure this invariant
won't be broken, so that the cfg80211 (or any similar) code
stays safe.
[1] https://lore.kernel.org/r/Yjzpo3TfZxtKPMAG@google.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://lore.kernel.org/r/20220404113847.0ee02e4a70da.Ic73d206e217db20fd22dcec14fe5442ca732804b@changeid
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The setting of i here
err_nexthop6_group_get:
i = nrt6;
Is redundant, i is already nrt6. So remove
this statement.
The for loop for the unwinding
err_rt6_create:
for (i--; i >= 0; i--) {
Is equivelent to
for (; i > 0; i--) {
Two consecutive labels can be reduced to one.
Signed-off-by: Tom Rix <trix@redhat.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Link: https://lore.kernel.org/r/20220402121516.2750284-1-trix@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Ching-Te Ku
Po Hao Huang
Ping-Ke Shih
Chia-Yuan Li
Kalle Valo
Kalle Valo
Johnson Lin
Zong-Zhe Yang
Gustavo A. R. Silva
Johannes Berg
Tom Rix
Nagarajan Maran