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Phylink already handles most of the pieces necessary for configuring
autonegotation. With that being the case we can add support for
getting/setting pause now by just passing through the ethtool call to the
phylink code.
Signed-off-by: Alexander Duyck <alexanderduyck@fb.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/175028448974.625704.14427543910503058114.stgit@ahduyck-xeon-server.home.arpa
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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This change adds some basic support for reporting the current link config
to the user via ethtool. Currently the main components reported are the
carrier status, link speed, and FEC.
For now we are handling the FEC directly as phylink doesn't have support
for it. The plan is to work on incorporating FEC support into phylink and
eventually adding the ability for us to set the FEC configuration through
phylink itself.
In addition as we don't yet have SFP or PHY support the listed modes
supported are including ones not supported by the media we are attached to.
That will hopefully be addressed once we can get the QSFP modules
supported.
Signed-off-by: Alexander Duyck <alexanderduyck@fb.com>
Link: https://patch.msgid.link/175028448275.625704.60592644122010798.stgit@ahduyck-xeon-server.home.arpa
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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The fbnic driver was using the XLGMII link mode to enable phylink, however
that mode wasn't the correct one to use as the NIC doesn't actually use
XLGMII, it is using a combinations of 25G, 50G, and 100G interface modes
and configuring those via pins exposed on the PCS, MAC, and PHY interfaces.
To more accurately reflect that we should drop the uxe of XGMII and XLGMII
and instead use the correct interface types.
Signed-off-by: Alexander Duyck <alexanderduyck@fb.com>
Link: https://patch.msgid.link/175028447568.625704.17971496887030109107.stgit@ahduyck-xeon-server.home.arpa
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Make it so that the enum we use for the FW values represents actual link
modes that will be normally advertised by a link partner.
Signed-off-by: Alexander Duyck <alexanderduyck@fb.com>
Link: https://patch.msgid.link/175028446893.625704.10103673858068429312.stgit@ahduyck-xeon-server.home.arpa
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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In rtl8187_stop() move the call of usb_kill_anchored_urbs() before clearing
b_tx_status.queue. This change prevents callbacks from using already freed
skb due to anchor was not killed before freeing such skb.
BUG: kernel NULL pointer dereference, address: 0000000000000080
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0
Oops: Oops: 0000 [#1] SMP NOPTI
CPU: 7 UID: 0 PID: 0 Comm: swapper/7 Not tainted 6.15.0 #8 PREEMPT(voluntary)
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 0.0.0 02/06/2015
RIP: 0010:ieee80211_tx_status_irqsafe+0x21/0xc0 [mac80211]
Call Trace:
<IRQ>
rtl8187_tx_cb+0x116/0x150 [rtl8187]
__usb_hcd_giveback_urb+0x9d/0x120
usb_giveback_urb_bh+0xbb/0x140
process_one_work+0x19b/0x3c0
bh_worker+0x1a7/0x210
tasklet_action+0x10/0x30
handle_softirqs+0xf0/0x340
__irq_exit_rcu+0xcd/0xf0
common_interrupt+0x85/0xa0
</IRQ>
Tested on RTL8187BvE device.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Fixes: c1db52b9d27e ("rtl8187: Use usb anchor facilities to manage urbs")
Signed-off-by: Daniil Dulov <d.dulov@aladdin.ru>
Reviewed-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250617135634.21760-1-d.dulov@aladdin.ru
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The way we were using "link_mode" was really more to describe the interface
between the attachment unit interface(s) we were using on the device.
Specifically the AUI is describing the modulation and the number of lanes
we are using. So we can simplify this by replacing link_mode with aui.
Signed-off-by: Alexander Duyck <alexanderduyck@fb.com>
Link: https://patch.msgid.link/175028446219.625704.8050098629750896117.stgit@ahduyck-xeon-server.home.arpa
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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There were several issues in the way we were handling the link info coming
from firmware.
First is the fact that we were carrying around "AUTO" flags to indicate
that we needed to populate the values. We can just drop this and assume
that we will always be populating the settings from firmware. With this we
can also clean up the masking as the "AUTO" flags were just there to be
stripped anyway.
Second since we are getting rid of the "AUTO" setting we still need a way
to report that the link is not configured. We convert the link_mode "AUTO"
to "UNKNOWN" to do this. With this we can avoid reporting link up in the
phylink_pcs_get_state call as we will just set link to 0 and return without
updating the link speed. This is preferred versus the driver just forcing
50G which makes it harder to recover when the FW does start providing valid
settings.
With this the plan is to eventually replace the link_mode we use with the
interface_mode from phylink for all intents and purposes and have the two
be interchangeable. At that point we can convert the FW provided settings
over to something closer to link partner settings and give phylink greater
control of the interface allowing for user override of the settings and an
asynchronous setup of the link versus having to pull early settings from
firmware.
Signed-off-by: Alexander Duyck <alexanderduyck@fb.com>
Link: https://patch.msgid.link/175028445548.625704.1367708155813490215.stgit@ahduyck-xeon-server.home.arpa
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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In order for us to make use of the information in the PHY we need to verify
that the FW capabilities message has been processed. To do so we should
poll until the FW version in the capabilities message is at least at the
minimum level needed to verify that the FW can support the basic PHY config
messages.
As such this change adds logic so that we will poll the mailbox until such
time as the FW version can be populated with an acceptable value. If it
doesn't reach a sufficicient value the mailbox will be considered to have
timed out.
Signed-off-by: Alexander Duyck <alexanderduyck@fb.com>
Link: https://patch.msgid.link/175028444873.625704.10269838393153693403.stgit@ahduyck-xeon-server.home.arpa
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Add support for 802.3cd based interface types 50GBASE-R and 100GBASE-P.
This choice in naming is based on section 135 of the 802.3-2022 IEEE
Standard.
In addition it is adding support for what I am referring to as LAUI
which is based on annex 135C of the IEEE Standard, and shares many
similarities with the 25/50G consortium. The main difference between the
two is that IEEE spec refers to LAUI as the AUI before the RS(544/514) FEC,
whereas the 25/50G use this lane and frequency combination after going
through RS(528/514), Base-R or no FEC at all.
Signed-off-by: Alexander Duyck <alexanderduyck@fb.com>
Link: https://patch.msgid.link/175028444205.625704.4191700324472974116.stgit@ahduyck-xeon-server.home.arpa
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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wl12xx_cmd_start_fwlog() was added in 2011 by
commit 95dac04f8813 ("wl12xx: Support routing FW logs to the host")
but has remained unused.
Remove it.
(I can see the 'stop' is used, and the 'config' is used, so I assume
the 'start' isn't normally needed).
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Link: https://patch.msgid.link/20250622232638.166283-1-linux@treblig.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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wl1251_cmd_read_memory() and wl1251_cmd_test() last use was removed in
2009 by
commit f298c282a523 ("wl1251: remove accidentally added wl1251_netlink.c")
Remove them.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Link: https://patch.msgid.link/20250622172804.116396-3-linux@treblig.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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wl1251_acx_rate_policies() was added in 2009 by
commit 0e71bb084adc ("wl1251: remove wl1251_ops")
but hasn't been used.
Remove it.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Link: https://patch.msgid.link/20250622172804.116396-2-linux@treblig.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The function `_rtl_pci_init_one_rxdesc()` can fail even when the new
`skb` is passed because of a DMA mapping error. If it fails, the `skb`
is not saved in the rx ringbuffer and thus lost.
Compile tested only
Signed-off-by: Thomas Fourier <fourier.thomas@gmail.com>
Acked-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250616105631.444309-4-fourier.thomas@gmail.com
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Userspace tools will parse NL80211_BSS_LAST_SEEN_BOOTTIME (if any) for a
more accurate timing when a BSS was seen. For example, iw, wpa_supplicant.
For beacon and probe response, fill RX boottime_ns in ieee80211_rx_status.
And for certain, it shouldn't count the waiting time for the PPDU status,
i.e. the possible buffering time of a frame in driver.
Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250618124649.11436-6-pkshih@realtek.com
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unsupported 6 GHz band
With a quite rare chance, RX report might be problematic to make SW think
a packet is received on 6 GHz band even if the chip does not support 6 GHz
band actually. Since SW won't initialize stuffs for unsupported bands, NULL
dereference will happen then in the sequence, rtw89_vif_rx_stats_iter() ->
rtw89_core_cancel_6ghz_probe_tx(). So, add a check to avoid it.
The following is a crash log for this case.
BUG: kernel NULL pointer dereference, address: 0000000000000032
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0
Oops: 0000 [#1] PREEMPT SMP NOPTI
CPU: 1 PID: 1907 Comm: irq/131-rtw89_p Tainted: G U 6.6.56-05896-g89f5fb0eb30b #1 (HASH:1400 4)
Hardware name: Google Telith/Telith, BIOS Google_Telith.15217.747.0 11/12/2024
RIP: 0010:rtw89_vif_rx_stats_iter+0xd2/0x310 [rtw89_core]
Code: 4c 89 7d c8 48 89 55 c0 49 8d 44 24 02 48 89 45 b8 45 31 ff eb 11
41 c6 45 3a 01 41 b7 01 4d 8b 6d 00 4d 39 f5 74 42 8b 43 10 <41> 33 45
32 0f b7 4b 14 66 41 33 4d 36 0f b7 c9 09 c1 74 d8 4d 85
RSP: 0018:ffff9f3080138ca0 EFLAGS: 00010246
RAX: 00000000b8bf5770 RBX: ffff91b5e8c639c0 RCX: 0000000000000011
RDX: ffff91b582de1be8 RSI: 0000000000000000 RDI: ffff91b5e8c639e6
RBP: ffff9f3080138d00 R08: 0000000000000000 R09: 0000000000000000
R10: ffff91b59de70000 R11: ffffffffc069be50 R12: ffff91b5e8c639e4
R13: 0000000000000000 R14: ffff91b5828020b8 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff91b8efa40000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000032 CR3: 00000002bf838000 CR4: 0000000000750ee0
PKRU: 55555554
Call Trace:
<IRQ>
? __die_body+0x68/0xb0
? page_fault_oops+0x379/0x3e0
? exc_page_fault+0x4f/0xa0
? asm_exc_page_fault+0x22/0x30
? __pfx_rtw89_vif_rx_stats_iter+0x10/0x10 [rtw89_core (HASH:1400 5)]
? rtw89_vif_rx_stats_iter+0xd2/0x310 [rtw89_core (HASH:1400 5)]
__iterate_interfaces+0x59/0x110 [mac80211 (HASH:1400 6)]
? __pfx_rtw89_vif_rx_stats_iter+0x10/0x10 [rtw89_core (HASH:1400 5)]
? __pfx_rtw89_vif_rx_stats_iter+0x10/0x10 [rtw89_core (HASH:1400 5)]
ieee80211_iterate_active_interfaces_atomic+0x36/0x50 [mac80211 (HASH:1400 6)]
rtw89_core_rx_to_mac80211+0xfd/0x1b0 [rtw89_core (HASH:1400 5)]
rtw89_core_rx+0x43a/0x980 [rtw89_core (HASH:1400 5)]
Fixes: c6aa9a9c4725 ("wifi: rtw89: add RNR support for 6 GHz scan")
Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250618124649.11436-5-pkshih@realtek.com
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Correct the length when parsing with 2nd IE header and the length
of IE18/19 PHY status report. These two IE contain PHY OFDM signal
information and can be used for debug.
Signed-off-by: Eric Huang <echuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250618124649.11436-4-pkshih@realtek.com
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EDCCA report is obtained from the hardware to display OBSS interference
and their respective power levels for each subband. Modify the query
settings to improve resolution for debugging purposes.
Signed-off-by: Eric Huang <echuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250618124649.11436-3-pkshih@realtek.com
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When debugging or recovering system error recovery (SER), it's
necessary to dump internal memory to perform status inspection.
Since the memory page size differs between WiFi 6 and 7 chips,
define them accordingly.
Signed-off-by: Kuan-Chung Chen <damon.chen@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250618124649.11436-2-pkshih@realtek.com
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The version 9 support the WiFi7 related functions.
Signed-off-by: Ching-Te Ku <ku920601@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250616090252.51098-12-pkshih@realtek.com
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Add format version of Wi-Fi firmware commands/events for firmware
version v0.29.122.0.
Signed-off-by: Ching-Te Ku <ku920601@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250616090252.51098-11-pkshih@realtek.com
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If Wi-Fi isn't connected to AP, the firmware scan will not switch to
operation channel. Bluetooth may not have enough time to TX data. This
patch extend the slot to let Bluetooth can TX more to avoid audio lag.
Signed-off-by: Ching-Te Ku <ku920601@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250616090252.51098-10-pkshih@realtek.com
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If the duration set to zero, Wi-Fi firmware will trigger some unexpected
issue when firmware try to enable timer.
Signed-off-by: Ching-Te Ku <ku920601@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250616090252.51098-9-pkshih@realtek.com
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When Wi-Fi firmware scan, it will update the priority tables, and if
stay at these priority tables then enter power saving will trigger
Bluetooth issues. So update the priority before entering power saving.
Signed-off-by: Ching-Te Ku <ku920601@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250616090252.51098-8-pkshih@realtek.com
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When platform resume, there will have fail rate when Bluetooth try to
re-link. And when Bluetooth is booting up, it will run the ROM code
first, then load the firmware code from file. Catch this change and
set the mechanism for Bluetooth re-link.
Signed-off-by: Ching-Te Ku <ku920601@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250616090252.51098-7-pkshih@realtek.com
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Because when Wi-Fi/Bluetooth want to communicate with each other, their
contact window are their firmware. So the desired version code is more
reasonable to change with firmware version.
Signed-off-by: Ching-Te Ku <ku920601@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250616090252.51098-6-pkshih@realtek.com
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The latest Wi-Fi firmware no feature update with Wi-Fi/Bluetooth
coexistence. The patch describe the features support version.
Signed-off-by: Ching-Te Ku <ku920601@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250616090252.51098-5-pkshih@realtek.com
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Add firmware report to monitor Bluetooth TX power/gain settings, so that
we can check it works as expected or not.
Signed-off-by: Ching-Te Ku <ku920601@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250616090252.51098-4-pkshih@realtek.com
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The before several patches collect driver information, then this patch
packet these information as outsource info and update to firmware by H2C
command.
Signed-off-by: Ching-Te Ku <ku920601@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250616090252.51098-3-pkshih@realtek.com
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WiFi 7 generation has dual MAC, Coexistence need to find out the
2GHz WiFi connection in the connected links. And assign its channel
to Bluetooth to make Bluetooth not to hop into WiFi channel.
Signed-off-by: Ching-Te Ku <ku920601@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250616090252.51098-2-pkshih@realtek.com
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We frequently consult with Jesper's out-of-tree page_pool benchmark to
evaluate page_pool changes.
Import the benchmark into the upstream linux kernel tree so that (a)
we're all running the same version, (b) pave the way for shared
improvements, and (c) maybe one day integrate it with nipa, if possible.
Import bench_page_pool_simple from commit 35b1716d0c30 ("Add
page_bench06_walk_all"), from this repository:
https://github.com/netoptimizer/prototype-kernel.git
Changes done during upstreaming:
- Fix checkpatch issues.
- Remove the tasklet logic not needed.
- Move under tools/testing
- Create ksft for the benchmark.
- Changed slightly how the benchmark gets build. Out of tree, time_bench
is built as an independent .ko. Here it is included in
bench_page_pool.ko
Steps to run:
```
mkdir -p /tmp/run-pp-bench
make -C ./tools/testing/selftests/net/bench
make -C ./tools/testing/selftests/net/bench install INSTALL_PATH=/tmp/run-pp-bench
rsync --delete -avz --progress /tmp/run-pp-bench mina@$SERVER:~/
ssh mina@$SERVER << EOF
cd ~/run-pp-bench && sudo ./test_bench_page_pool.sh
EOF
```
Note that by default, the Makefile will build the benchmark for the
currently installed kernel in /lib/modules/$(shell uname -r)/build. To
build against the current tree, do:
make KDIR=$(pwd) -C ./tools/testing/selftests/net/bench
Output (from Jesper):
```
sudo ./test_bench_page_pool.sh
(benchmark dmesg logs snipped)
Fast path results:
no-softirq-page_pool01 Per elem: 23 cycles(tsc) 6.571 ns
ptr_ring results:
no-softirq-page_pool02 Per elem: 60 cycles(tsc) 16.862 ns
slow path results:
no-softirq-page_pool03 Per elem: 265 cycles(tsc) 73.739 ns
```
Output (from me):
```
sudo ./test_bench_page_pool.sh
(benchmark dmesg logs snipped)
Fast path results:
no-softirq-page_pool01 Per elem: 11 cycles(tsc) 4.177 ns
ptr_ring results:
no-softirq-page_pool02 Per elem: 51 cycles(tsc) 19.117 ns
slow path results:
no-softirq-page_pool03 Per elem: 168 cycles(tsc) 62.469 ns
```
Results of course will vary based on hardware/kernel/configs, and some
variance may be there from run to run due to some noise.
Signed-off-by: Mina Almasry <almasrymina@google.com>
Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: Jesper Dangaard Brouer <hawk@kernel.org>
Acked-by: Toke Høiland-Jørgensen <toke@redhat.com>
Link: https://patch.msgid.link/20250619181519.3102426-1-almasrymina@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Frank Wunderlich says:
====================
rework IRQ handling in mtk_eth_soc
From: Frank Wunderlich <frank-w@public-files.de>
This series introduces named IRQs while keeping the index based way
for older dts.
Further it makes some cleanup like adding consts for index access and
avoids loading first IRQ which was not used on non SHARED_INT SoCs.
====================
Link: https://patch.msgid.link/20250619132125.78368-1-linux@fw-web.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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If platform_get_irq_byname returns -ENXIO fall back to legacy (index
based) mode, but on other errors function should return this error.
Suggested-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250619132125.78368-5-linux@fw-web.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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On SoCs with dedicated RX and TX interrupts (all except MT7621 and
MT7628) platform_get_irq() is called for the first IRQ (eth->irq[0])
but it is never used.
Skip the first IRQ and reduce the IRQ-count to 2.
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Reviewed-by: Daniel Golle <daniel@makrotopia.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250619132125.78368-4-linux@fw-web.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Use consts instead of fixed integers for accessing IRQ array.
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Daniel Golle <daniel@makrotopia.org>
Link: https://patch.msgid.link/20250619132125.78368-3-linux@fw-web.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add named interrupts and keep index based fallback for existing
devicetrees.
Currently only rx and tx IRQs are defined to be used with mt7988, but
later extended with RSS/LRO support.
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250619132125.78368-2-linux@fw-web.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Jakub Kicinski says:
====================
selftests: drv-net: stats: use skip instead of xfail
Alex posted support for configuring pause frames in fbnic. This flipped
the pause stats test from xfail to fail. Because CI considered xfail as
pass it now flags the test as failing. This shouldn't happen. Also we
currently report pause and FEC tests as passing on virtio which doesn't
make sense.
====================
Link: https://patch.msgid.link/20250620161109.2146242-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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XFAIL is considered a form of a pass by our CI. For HW devices returning
XFAIL for unsupported features is counter-productive because our CI
knows not to expect any HW test to pass until it sees 10 passes in a row.
If we return xfail the test shows up as pass even if the device doesn't
support the feature. netdevsim supports all features necessary for
the stats test so there is no concern about running the test in SW mode.
Make the test skip rather than xfail if driver doesn't support FEC or pause.
Link: https://patch.msgid.link/20250620161109.2146242-3-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Small adjustments to make pylint happy.
One warning about unused argument remains because the test uses
global variables rather than attaching netlink sockets to cfg.
Fixing this would be too much of a change for a linter fix commit
like this one.
Link: https://patch.msgid.link/20250620161109.2146242-2-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Eric Dumazet says:
====================
net: lockless sk_sndtimeo and sk_rcvtimeo
This series completes the task of making sk->sk_sndtimeo and
sk->sk_rcvtimeo lockless.
====================
Link: https://patch.msgid.link/20250620155536.335520-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Followup of commit 285975dd6742 ("net: annotate data-races around
sk->sk_{rcv|snd}timeo").
Remove lock_sock()/release_sock() from ksmbd_tcp_rcv_timeout()
and add READ_ONCE()/WRITE_ONCE() where it is needed.
Also SO_RCVTIMEO_OLD and SO_RCVTIMEO_NEW can call sock_set_timeout()
without holding the socket lock.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20250620155536.335520-3-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Followup of commit 285975dd6742 ("net: annotate data-races around
sk->sk_{rcv|snd}timeo").
Remove lock_sock()/release_sock() from sock_set_sndtimeo(),
and add READ_ONCE()/WRITE_ONCE() where it is needed.
Also SO_SNDTIMEO_OLD and SO_SNDTIMEO_NEW can call sock_set_timeout()
without holding the socket lock.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20250620155536.335520-2-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Eric Dumazet says:
====================
net: replace sock_i_uid() with sk_uid()
First patch annotates sk->sk_uid accesses and adds sk_uid() helper.
Second patch removes sock_i_uid() in favor of the new helper.
====================
Link: https://patch.msgid.link/20250620133001.4090592-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Difference between sock_i_uid() and sk_uid() is that
after sock_orphan(), sock_i_uid() returns GLOBAL_ROOT_UID
while sk_uid() returns the last cached sk->sk_uid value.
None of sock_i_uid() callers care about this.
Use sk_uid() which is much faster and inlined.
Note that diag/dump users are calling sock_i_ino() and
can not see the full benefit yet.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Lorenzo Colitti <lorenzo@google.com>
Reviewed-by: Maciej Żenczykowski <maze@google.com>
Link: https://patch.msgid.link/20250620133001.4090592-3-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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sk->sk_uid can be read while another thread changes its
value in sockfs_setattr().
Add sk_uid(const struct sock *sk) helper to factorize the needed
READ_ONCE() annotations, and add corresponding WRITE_ONCE()
where needed.
Fixes: 86741ec25462 ("net: core: Add a UID field to struct sock.")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Lorenzo Colitti <lorenzo@google.com>
Reviewed-by: Maciej Żenczykowski <maze@google.com>
Link: https://patch.msgid.link/20250620133001.4090592-2-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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I tried to fix the stack usage in this function a couple of years ago,
but there is still a problem with the latest gcc versions in some
configurations:
net/caif/cfctrl.c:553:1: error: the frame size of 1296 bytes is larger than 1280 bytes [-Werror=frame-larger-than=]
Reduce this once again, with a separate cfctrl_link_setup() function that
holds the bulk of all the local variables. It also turns out that the
param[] array that takes up a large portion of the stack is write-only
and can be left out here.
Fixes: ce6289661b14 ("caif: reduce stack size with KASAN")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://patch.msgid.link/20250620112244.3425554-1-arnd@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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With sanitizers enabled, this function uses a lot of stack, causing
a harmless warning:
lib/test_objagg.c: In function 'test_hints_case.constprop':
lib/test_objagg.c:994:1: error: the frame size of 1440 bytes is larger than 1408 bytes [-Werror=frame-larger-than=]
Most of this is from the two 'struct world' structures. Since most of
the work in this function is duplicated for the two, split it up into
separate functions that each use one of them.
The combined stack usage is still the same here, but there is no warning
any more, and the code is still safe because of the known call chain.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://patch.msgid.link/20250620111907.3395296-1-arnd@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Replace the deprecated strncpy() with the two-argument version of
strscpy() as the destination is an array
and buffer should be NUL-terminated.
Signed-off-by: Pranav Tyagi <pranav.tyagi03@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250620103653.6957-1-pranav.tyagi03@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Replace the deprecated strncpy() with two-argument version of
strscpy() as the destination is an array
and should be NUL-terminated.
Signed-off-by: Pranav Tyagi <pranav.tyagi03@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250620102559.6365-1-pranav.tyagi03@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Convert qca,qca7000.txt yaml format.
Additional changes:
- add refs: spi-peripheral-props.yaml, serial-peripheral-props.yaml and
ethernet-controller.yaml.
- simple spi and uart node name.
- use low case for mac address in examples.
- add check reg choose spi-peripheral-props.yaml or
spi-peripheral-props.yaml.
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20250618184417.2169745-1-Frank.Li@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Fix missing linux/export.h header include in net/ethtool/pse-pd.c to resolve
build warning reported by the kernel test robot.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202506200024.T3O0FWeR-lkp@intel.com/
Signed-off-by: Kory Maincent <kory.maincent@bootlin.com>
Link: https://patch.msgid.link/20250619162547.1989468-1-kory.maincent@bootlin.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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